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Selected Herbarium Specimen Details (204) Download

Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: D. Hilbert
Locality:USA. Florida. Pinellas Co.: Eckerd College Palm Hammock. 27º 42’ 56” N 82º 41’ 27” W
Description:Grass 30 cm tall; leaves 15 cm long; fruit spikes 6 cm long, the seeds 5 mm diameter, covered in sharp spikes. 
Habitat:Mois sandy soil, with grasses, sedges, and Spermacoce verticillata.
Reproductive State:Fertile
Collector:D. Hilbert 78
Date:06 Jul 2012
Accession No:269101
Image:269101.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav.
Locality:USA. Florida. Seminole Co.: West Ridge Drive, ca. 20 m SE of West Lake Mary Boulevard. 28º 45’ 21” N 81º 17’ 51” W
Description:Burr pubescent. 
Habitat:Open roadside.
Reproductive State:Fertile
Collector:D. H. Williams 3252
  with H.L. Williams
Date:22 Aug 2012
Accession No:266651
Image:266651.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav.
Locality:USA. Florida. Orange Co.: E side of South Orange Avenue at Harding Street, Orlando. 28º 31’ 5” N 81º 22’ 33” W
Description:Bur pubescent. 
Habitat:Weedy vacant lot.
Reproductive State:Fertile
Collector:D. H. Williams 3216
  with H.L. Williams
Date:23 Jul 2012
Accession No:266237
Image:266237.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav.
Locality:USA. Florida. Volusia Co.: N end of Osteen Cemetery Road, at the entrance to Osteen Cemetery; Town of Osteen. 28º 53’ 29” N 81º 9’ 22” W
Habitat:Roadside at the edge of woods.
Reproductive State:Fertile
Collector:W. D. Longbottom 16346
Date:28 Sep 2011
Accession No:264176
Image:264176.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav.
Locality:USA. Florida. St. Johns Co.: E side of US 1/FL 5 (Dixie Highway), N of I-95. 29º 40’ 28” N 81º 17’ 28” W
Habitat:Dry sandy soil.
Reproductive State:Fertile
Collector:W. D. Longbottom 16376
  with D.H. Williams
Date:29 Sep 2011
Accession No:263498
Image:263498.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav.
Locality:USA. Florida. Brevard Co.: Cape Canaveral Air Force Station. Canal N of Skid Strip, E of Skid Strip Road. 28º 28’ 41” N 80º 34’ 35” W
Reproductive State:Fertile
Collector:P. A. Schmalzer 11-77
  with T. Kozusko
Date:15 Jul 2011
Accession No:262313
Image:262313.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav.
Locality:USA. Florida. Polk Co.: In an empty housing development on Old Polk City Road, Haines City. 28º 7’ 6” N 81º 38’ 6” W
Habitat:Along roadsides and in the fields of the development.
Reproductive State:Fertile
Collector:W. D. Longbottom 14501
  with D.H. Williams
Date:16 Nov 2010
Accession No:261577
Image:261577.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav.
Locality:USA. Florida. Brevard Co.: South Lake Conservation Area, Mims. 0.25 mi. N of Dairy Road, by the entrance gate to the Conservation Area, along the W portion of Lancaster Lane. T21S, R34E, Sec. 25. 28º 39’ 54” N -80º -50’ -41” W
Habitat:Ruderal.
Reproductive State:Fertile
Collector:S. Blissett-Clark s.n.
  with X. de Seguin des Hons
Date:27 Jul 2007
Accession No:260600
Image:260600.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav.
Locality:USA. Florida. Hendry Co.: Okaloacoochee Slough State Forest. 6.2 km E of FL 29, 0.25 km S of C-832. 26º 35’ 49” N 81º 22’ 27” W
Habitat:Ruderal path through wet flatwoods.
Reproductive State:Fertile
Collector:A. R. Franck 2777
Date:03 Sep 2011
Accession No:259763
Image:259763.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav.
Locality:USA. Florida. Hernando Co.: Weeki Wachee Springs State Park. Bordering perimeter park road along US 19, main parcel. T23S, R17E, Sec. 2.
Habitat:Scrub.
Reproductive State:Fertile
Collector:C. vanHoek WW0042
Date:13 Jul 2009
Accession No:259389
Image:259389.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Mar 2005
Determination History: Cenchrus echinatus L.
Locality:USA. Florida. Martin Co.: Jonathan Dickinson State Park. Shop area.
Habitat:Disturbed areas.
Reproductive State:Fertile
Collector:R. O. Woodbury s.n.
  with R. Roberts
Date:Jun 1990
Accession No:257947
Image:257947.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav.
Locality:USA. Florida. Manatee Co.: Emerson Point Preserve; W end of Snead Island, the NW-most island of the Manatee River, adjacent to the Gulf of Mexico; W of curve on road, N of gate. 27º 32’ N 82º 38’ W
Habitat:Distsurbed roadside and field, wet calcareous soil, full sun.
Reproductive State:Fertile
Elevation:0 to 1 m
Collector:J. Beckner 2732
Date:28 Sep 1997
Accession No:255845
Image:255845.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav.
Locality:USA. Florida. Dixie Co.: Along C-358, 0.2 mi. NW of its junction with US 19,ca. 2.5 mi. WNW of Cross City. T9S, R11E, Sec. 36, NW¼ of SE¼.
Habitat:Roadside in wet flatwoods.
Reproductive State:Fertile
Collector:B. F. Hansen 13340
  with J. Hansen
Date:18 Sep 2008
Accession No:254810
Image:254810.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav.
Locality:USA. Florida. Volusia Co.: Tomoka State Park. Helicopter Island; ca. 1 km due N of the Old Dixie Highway bridge at the Tomoka River. 29º 21’ 8” N 81º 5’ 13” W
Habitat:On fill dirt pile on large spoil island in salt marsh.
Reproductive State:Fertile
Collector:J. M. Kunzer 1313
Date:15 Jan 2006
Accession No:254685
Image:254685.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Lake Co.: 5 mi. N of Altoona. 28º 57’ 56” N -81º -38’ -55” W
Reproductive State:Fertile
Collector:R. F. Daubenmire s.n.
  with J. Daubenmire
Date:29 Sep 1983
Accession No:203268
Image:203268.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Lee Co.: Lower Captiva [Island]. 26º 31’ 19” N -82º -11’ -21” W
Description:Plants decumbent to almost erect, perennial. 
Habitat:Dry, weedy roadsides.
Reproductive State:Fertile
Collector:W. C. Brumbach 9289
Date:10 Oct 1977
Accession No:144379
Image:144379.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Cenchrus pauciflorus Benth.
Locality:USA. Florida. Monroe Co.: Big Pine Key, near Watson's Hammock. 26º 40’ 59” N -80º -49’ 0” W
Habitat:Pineland and hammock.
Reproductive State:Fertile
Collector:R. W. Long 2448
  with R. Broome
Date:11 Feb 1967
Accession No:79584
Image:79584.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Cenchrus pauciflorus Benth.
Locality:USA. Florida. Monroe Co.: Key Largo. 27º 54’ 34” N -82º -47’ -14” W
Reproductive State:Fertile
Collector:O. E. Jennings s.n.
  with G.K. Jennings
Date:30 Dec 1929
Accession No:55989
Image:55989.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Cenchrus pauciflorus Benth.
Locality:USA. Florida. Broward Co.: Thorncrest Motel Grounds, Deerfield. 26º 19’ 0” N -80º -6’ 0” W
Reproductive State:Fertile
Collector:O. K. Lakela 28295
Date:20 Mar 1965
Accession No:63885
Image:63885.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Cenchrus pauciflorus Benth.
Locality:USA. Florida. Polk Co.: Fort Meade.
Reproductive State:Fertile
Collector:O. E. Jennings s.n.
  with G.K. Jennings
Date:26-30 Dec 1931
Accession No:55644
Image:55644.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis - Determined By: O. K. Lakela, Jan 1968
Cenchrus pauciflorus Benth. - Determined By: O. K. Lakela, Feb 1967
Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Collier Co.: Balmoral Road, W of Goodland Junction; Marco Island, S of FL 92. 25º 55’ 29” N -81º -38’ -44” W
Description:Culms ascending. 
Habitat:Cleared area with pioneer vegetation in bare sand.
Reproductive State:Fertile
Collector:O. K. Lakela 28685
Date:29 May 1965
Accession No:64945
Image:64945.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Lee Co.: Sanibel Island. 26º 26’ 56” N -82º -1’ -20” W
Habitat:Constant on shoulders of highway for length of island; found elsewhere in waste places.
Reproductive State:Fertile
Collector:G. R. Cooley 2510
Date:21 Feb 1954
Accession No:453
Image:453.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2009
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Pinellas Co.: Brooker Creek Preserve. Just S of Tarpon Springs Road at powerline right-of-way. T27S, R16E, Sec. 12, SE¼ of SE¼. 29º 53’ 19” N -82º -19’ -57” W
Habitat:Weeds under powerline.
Reproductive State:Fertile
Collector:B. F. Hansen 12562
  with P. Dooris
Date:17 Nov 1993
Accession No:209212
Image:209212.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis - Determined By: A.G. Shuey
Locality:USA. Florida. Brevard Co.: North Merritt Island. Along dirt road parallel to canal N of Lab. T20S, R36E, Sec. 33, SW¼.
Habitat:Roadside; marly soil.
Reproductive State:Fertile
Collector:A.G. Shuey M0608
Date:20 Jul 1973
Accession No:119133
Image:119133.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Pinellas Co.: Honeymoon Island Recreation Area. W entrance from Dunedin Beach to central road. T28S, R15E, Sec. 8. 28º 1’ 11” N -82º -46’ -18” W
Habitat:Old field and boundary embankment with brackish ditch; marl.
Reproductive State:Fertile
Collector:G. Fleming 3261
  with P. Genelle
Date:06 Oct 1979
Accession No:149206
Image:149206.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis
Cenchrus pauciflorus Benth.
Locality:USA. Florida. Palm Beach Co.: S of the intersesction of Old Okeechobee Road and Chillingworth Drive, West Palm Beach. 27º 14’ 38” N -80º -49’ -47” W
Habitat:Old field; disturbed ground, sand, full sun.
Reproductive State:Fertile
Collector:P. M. Cassen 131
Date:22 Aug 1967
Accession No:81204
Image:81204.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis
Cenchrus pauciflorus Benth.
Locality:USA. Florida. Hernando Co.: E side of Mount Fair Avenue, Brooksville. 28º 33’ 18” N -82º -23’ -16” W
Description:Prostrate. 
Habitat:Along margin of road pavement in secondary oak - hickory - Magnolia wood.
Reproductive State:Fertile
Collector:J. D. Ray, Jr. 9456
Date:03 Sep 1959
Accession No:14966
Image:14966.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Palm Beach Co.: S side of County Line Road across from Jupiter Cemetery, 1.2 mi. W of US 1, N of Jupiter. T40S, R42E, Sec. 25, NW¼ of NW¼. 26º 56’ 3” N -80º -5’ -39” W
Habitat:Dry sand pine [Pinus clausa] scrub.
Reproductive State:Fertile
Collector:B. F. Hansen 7103
  with R.P. Sauleda, D.R. Richardson
Date:29 May 1980
Accession No:150804
Image:150804.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Santa Rosa Co.: E edge of Milton along US 90 at the E side of the bridge over the Blackwater River. 30º 37’ 56” N -87º -2’ -22” W
Reproductive State:Fertile
Collector:G. Wilhelm 8266
Date:28 Nov 1980
Accession No:167855
Image:167855.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Walton Co.: Near the W edge of De Funiak Springs, alont the railroad, just N of the Country Club. 27º 51’ 34” N -82º -5’ -7” W
Reproductive State:Fertile
Collector:G. Wilhelm 8147
Date:25 Nov 1980
Accession No:167850
Image:167850.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Hillsborough Co.: Big Bend Power Plant; Station 1, inside Gate 11.
Habitat:Old field.
Reproductive State:Fertile
Collector:D. W. Crewz 1109
Date:01 Sep 1977
Accession No:128119
Image:128119.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Pinellas Co.: FLorentine Way.
Habitat:Open sun, sandy soil.
Reproductive State:Fertile
Collector:P. Genelle 2306
  with G. Fleming
Date:14 Sep 1976
Accession No:254432
Image:254432.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis - Determined By: O. K. Lakela
Cenchrus echinatus L. - Determined By: O. K. Lakela, 15-Jan-1964
Cenchrus incertus M. A. Curtis - Determined By: O. K. Lakela
Locality:USA. Florida. Hillsborough Co.: Near gaging station on Little Manatee River, SE of Tampa. 27º 56’ 51” N -82º -27’ -30” W
Description:Stems prostrate below. Frequent
Habitat:Weedy sand area in dry, white sand bank, with live oak [Quercus virginiana], longleaf pine [Pinus palustris], saw palmetto [Serenoa repens], Quercus geminata, Q. myrtifolia, Carya floridana, Fraxinus [??], and Pinus clausa.
Reproductive State:Fertile
Collector:J. D. Ray, Jr. 10128
  with O. Lakela, J. Patman
Date:24 Aug 1960
Accession No:27290
Image:27290.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus bambusoides Caro & E. A. Sanchez
Locality:USA. Florida. Palm Beach Co.: Palm Beach Junior College, 2 mi. W of Lake Worth. 28º 0’ 19” N -82º -27’ -2” W
Habitat:Wet prairie, alterred with white sand and sandy loam fill.
Reproductive State:Fertile
Collector:W. L. McCart 9342
Date:13 Sep 1967
Accession No:90443
Image:90443.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus longispinus (Hack.) Fernald - Determined By: B. F. Hansen, 1981
Cenchrus tribuloides L.
Cenchrus pauciflorus Benth.
Locality:USA. Florida. Martin and Palm Beach Co's: Jupiter Island. 26º 56’ 3” N -80º -5’ -39” W
Reproductive State:Fertile
Collector:G. R. Cooley 4777
  with E. West, T. Daggy
Date:27 Jul 1956
Accession No:456
Image:456.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis - Determined By: B. F. Hansen, 1981
Cenchrus longispinus (Hack.) Fernald - Determined By: O. K. Lakela
Cenchrus tribuloides L.
Locality:USA. Florida. Palm Beach Co.: Juno Beach near Surf Cottages. 29º 59’ 5” N -84º -25’ -15” W
Description:Decumbent annual. 
Habitat:Shore sands; with Sporobolus virginicus.
Reproductive State:Fertile
Collector:O. K. Lakela 25432
Date:30 Sep 1962
Accession No:48075
Image:48075.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Manatee Co.: Ca. 10.5 mi. W of Myakka Head on FL 64, 3.5 mi. E of FL 675. T34S, R21E, Sec. 31. 27º 19’ 59” N -82º -9’ 0” W
Habitat:Roadside.
Reproductive State:Fertile
Collector:G. Robinson 625
  with R.P. Wunderlin, B.F. Hansen
Date:06 Jun 1984
Accession No:177985
Image:177985.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Lee Co.: Koreshan State Park. Home grounds of Koreshan Unity on Estero River, US 41, Estero. 26º 26’ 17” N -81º -48’ -24” W
Description:Involucre glabrous or glabrate. 
Habitat:Flat sandy pineland and palmetto [Serenoa repens] association, with Bejaria, Lyonia spp., Ilex glabra, Vaccinium, and Myrica; about trails and fire lane marginal to grove and landscaped grounds of exotics.
Reproductive State:Fertile
Collector:O. K. Lakela 26994
  with F.C. Craighead, C. Craighead
Date:20 Apr 1964
Accession No:62716
Image:62716.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: Robert Kral
Locality:USA. Florida. Pinellas Co.: 1 mi. W of Tarpon Springs. 28º 1’ 59” N -82º -34’ 0” W
Habitat:Sandy lot.
Reproductive State:Fertile
Collector:R. Kral 7439
Date:23 Jul 1958
Accession No:8727
Image:8727.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Sarasota Co.: Oscar Scherer State Park. Burn zone 1c SW. T38S, R18E, Sec. 14, NE¼ of NW¼ of NW¼ of NW¼ of SE¼.
Description:Decumbent grass to 60 cm high. Occasional
Habitat:Roadside in mesic flatwoods.
Reproductive State:Fertile
Collector:S. Cole OS0251
Date:04 Aug 1994
Accession No:212632
Image:212632.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav.
Locality:USA. Florida. Pasco Co.: Starkey Wilderness Park. 2.5 mi. NNW of Odessa. 28º 11’ 38” N -82º -35’ -30” W
Habitat:Mesic flatwoods.
Reproductive State:Fertile
Collector:E. M. Ferguson 409
  with D. Coleman
Date:29 Sep 2003
Accession No:249742
Image:249742.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: A. R. Franck, Jun 2009
Locality:USA. Florida. Manatee Co.: Emerson Point Preserve. W end of Snead Island, the NW-most island of the Manatee River, adjacent to the Gulf of Mexico; N side road. 27º 31’ 54” N 82º 37’ 36” W
Description:Sprawling. Common
Habitat:Mangroves and adjacent areas.
Reproductive State:Fertile
Elevation:0 to 2 m
Collector:J. Beckner 2748
  with K. Relish
Date:07 Jun 1998
Accession No:249721
Image:249721.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Pinellas Co.: Honeymoon Island State Recreation Area. Along South Pelican Cove Trail. T28S, R15E, Sec. 6, NE¼ of NE¼ of SE¼ of SE¼.
Description:Decumbent grass to 50 cm high. Common
Habitat:Coastal strand.
Reproductive State:Fertile
Collector:S. Cole HI0041
Date:31 Aug 1994
Accession No:212029
Image:212029.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Charlotte Co.: Port Charlotte Beach State Recreation Area. North Beach, Manasota Key. 26º 55’ 0” N -81º -55’ 0” W
Description:Grass 6-10 in. tall; bur green. Occasional
Habitat:Beach dune.
Reproductive State:Fertile
Collector:S. Erickson PC0027
Date:07 Mar 1991
Accession No:202377
Image:202377.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Lee Co.: Wulfert, Western Sanibel [Island]. 26º 26’ 56” N -82º -1’ -20” W
Description:Plants annual in tufts, creepin to ascending. 
Habitat:Dry, weedy roadsides.
Reproductive State:Fertile
Collector:W. C. Brumbach 9089
Date:01 Nov 1976
Accession No:180374
Image:180374.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Pinellas Co.: Sawgrass Lake Park. 30º 11’ 33” N -81º -22’ -14” W
Habitat:Old field.
Reproductive State:Fertile
Collector:E. Stere 216
Date:30 Mar 1979
Accession No:143607
Image:143607.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Polk Co.: 4.4 mi. E of US 27A on FL 544, at Greenlefe Resort. T28S, R28E, Sec. 6, NW¼ of SE¼.
Habitat:Scrubby forest between road and golf course; with Quercus incana, Q. geminata, Serenoa repens, Chapmannia floridana, Clitoria fragrans.
Reproductive State:Fertile
Collector:B. F. Hansen 5785
  with D.R. Richardson
Date:21 Jun 1979
Accession No:143068
Image:143068.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: Robert Kral
Locality:USA. Florida. Hernando Co.: 6 mi. E of Brooksville. 28º 33’ 18” N -82º -23’ -16” W
Habitat:Sandy road shoulder.
Reproductive State:Fertile
Collector:R. Kral 7902
Date:20 Aug 1958
Accession No:451
Image:451.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Collier Co.: Everglades City; new road. 25º 57’ 17” N -80º -44’ -40” W
Description:Plants forming mat; long runners. 
Habitat:Along tidal shore.
Reproductive State:Fertile
Collector:F. C. Craighead s.n.
Date:14 Sep 1963
Accession No:56894
Image:56894.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Hernando Co.: Along US 41, 4 mi. N of Brooksville. 28º 33’ 18” N -82º -23’ -16” W
Habitat:Grassy roadside slope with open pine overstory; roadside and adjoining pasture.
Reproductive State:Fertile
Collector:J. D. Ray, Jr. 9365
Date:03 Sep 1959
Accession No:16005
Image:16005.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Hillsborough Co.: At ranch E of C-581, N of Cypress Creek. 30º 42’ 0” N -85º -4’ 0” W
Description:Flower green. 
Habitat:Roadside.
Reproductive State:Flower
Collector:S. DuBois 79-4-9
Date:06 Apr 1979
Accession No:138670
Image:138670.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav.
Locality:USA. Florida. Hillsborough Co.: Pam Callahan Nature Presrve, Tampa. 27º 58’ 53” N 82º 34’ W
Habitat:Cosatal marsh.
Reproductive State:Fertile
Collector:S. Dickman 1496
Date:05 Sep 2019
Accession No:303235
Image:303235.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: W. S. Judd, 11-Jun-2008
Locality:USA. Florida. Levy Co.: S end of North Key.
Description:Abundant grass, spreading by rhizomes; with Ipomoea imperati. 
Habitat:Island with maritime hammock (over sand or shell mounds) in higher elevations and a mosaic of mangrove/salt marsh in low elevations, and also well developed sandy beaches; on beach, sand dunes.
Reproductive State:Fertile
Collector:W. S. Judd 8249
  with C. Jacono, G. Ionta
Date:11 Jun 2008
Accession No:300992
Image:300992.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav.
Locality:USA. Florida. Hillsborough Co.: Cockroach Bay Aquatic Preserve, Ruskin; restoration area N of Cockroach Bay Road and Gulf City Road. 27º 41’ 32” N 82º 30’ 13” W
Habitat:Near spoil mound.
Reproductive State:Fertile
Collector:S. Dickman 556
Date:30 Apr 2012
Accession No:299816
Image:299816.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: B. F. Hansen, 1996
Cenchrus longispinus (Hack.) Fernald - Determined By: S. R. Hill, Oct 1995
Locality:USA. Illinois. Cass Co.: W side of US 67; N side of shopping center behind Walmart; Beardstown. 40º 1’ 10” N -90º -26’ -8” W
Description:Occasional. 
Habitat:Mowed area in lawn; IL River floodplain; marsh; with Eleocharis, Cyperus, Boltonia.
Reproductive State:Fertile
Collector:S. R. Hill 27485
Date:12 Sep 1995
Accession No:216109
Image:216109.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: B. F. Hansen, 1987
Cenchrus longispinus (Hack.) Fernald
Locality:USA. Massachusetts. Middlesex Co.: N Chelmsford. 42º 35’ 59” N -71º -22’ -2” W
Habitat:Sandy field.
Reproductive State:Fertile
Collector:C. H. Knowlton s.n.
Date:23 Sep 1900
Accession No:21381
Image:21381.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: B. F. Hansen, 1987
Cenchrus longispinus (Hack.) Fernald
Locality:USA. Ohio. Erie Co.: Cedar Point. 41º 28’ 50” N -82º -41’ 0” W
Reproductive State:Fertile
Collector:O. E. Jennings s.n.
Date:Jul 1911
Accession No:87792
Image:87792.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: B. F. Hansen, 1987
Cenchrus longispinus (Hack.) Fernald
Locality:USA. Wisconsin. Richland Co.: 3.8 mi. SE Gotham. T8N, R2E, Sec. 2. 43º 13’ 0” N -90º -16’ -59” W
Habitat:Roadside.
Reproductive State:Fertile
Collector:F. S. Crosswhite s.n.
  with C.D. Crosswhite
Date:05 Oct 1963
Accession No:77189
Image:77189.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: B. F. Hansen, 1987
Cenchrus longispinus (Hack.) Fernald
Locality:USA. Ohio. Erie Co.: Cedar Point; near Sandusky. 41º 26’ 56” N -82º -42’ -29” W
Reproductive State:Fertile
Collector:O. E. Jennings s.n.
Date:Jul 1911
Accession No:106480
Image:106480.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: B. F. Hansen, 1987
Cenchrus longispinus (Hack.) Fernald
Locality:USA. Minnesota. Washington Co.: Ca. 5.6 mi. E of MN 96 from junction of MN 96 and 61; N of Lake Masterman. T30N, R21W, Sec. 14, SW¼.
Habitat:Sandy soil; bank of road ditch.
Reproductive State:Fertile
Collector:T. M. Lindayen 140
Date:04 Aug 1972
Accession No:111720
Image:111720.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Texas. Llano Co.: 12.9 mi. W of TX 29 from junction of TX 16 and 29 in Llano; S 1 mi. on unnamed dirt road. 30º 45’ 33” N -98º -40’ -30” W
Habitat:Open, xeric, disturbed roadside; granite soils; with Bothriachloa, Ratibida, Xanthisma texanum, johnston grass, Yucca, Opuntia spp.
Reproductive State:Fertile
Collector:J. K. Wipff 1360
Date:29 Jun 1989
Accession No:213829
Image:213829.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Texas. Llano Co.: 12.9 mi. W of TX 29 from junction of TX 16 and 29 in Llano; S 1 mi. on unnamed dirt road. 30º 45’ 33” N -98º -40’ -30” W
Habitat:Open, xeric, disturbed roadside; granite soils; with Bothriachloa, Ratibida, Xanthisma texanum, johnston grass, Yucca, Opuntia spp.
Reproductive State:Fertile
Collector:J. K. Wipff 1361
Date:29 Jun 1989
Accession No:213808
Image:213808.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: B. F. Hansen, 1997
Cenchrus longispinus (Hack.) Fernald
Locality:USA. Missouri. Callaway Co.: S side of County Highway FF; ca. 140 m. W of IL Central RR tracks in Kingdom City. T38N, R9W, Sec. 8, NE¼, SE¼. 38º 57’ 0” N -91º -55’ -59” W
Description:Abundant. 
Habitat:Dry roadside gravel; with Setaria viridis, Eragrostis cilanensis, Echinochloa cursgalli.
Reproductive State:Fertile
Collector:R. E. Gereau 2409
  with M.S. Taylor, D.P. Hannon
Date:31 Jul 1988
Accession No:218962
Image:218962.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Texas. Matagorda Co.: 6.8 mi. S on SH20/TX 31 from junction of SH20/TX 31 and 60 in Matagorda. 28º 41’ 26” N -95º -58’ -2” W
Habitat:Sand dunes.
Reproductive State:Fertile
Collector:J. K. Wipff 606
Date:15 Oct 1987
Accession No:213807
Image:213807.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Texas. San Patricio Co.: Gregory. 27º 55’ 20” N -97º -17’ -23” W
Reproductive State:Fertile
Collector:C. T. Reed s.n.
Date:03 May 1940
Accession No:175151
Image:175151.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus longispinus (Hack.) Fernald
Locality:USA. Maryland. Calvert Co.: Scientists' cliffs.
Habitat:Steep embankment with Euphorbia corollata.
Reproductive State:Fertile
Collector:F. C. Seymour 17306
Date:07 Aug 1957
Accession No:19414
Image:19414.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Cenchrus pauciflorus Benth.
Locality:USA. District of Columbia. Deanwood. 38º 53’ 54” N -76º -55’ -45” W
Description:Culms spreading; prostrate at base. 
Habitat:Sandy waste ground.
Reproductive State:Fertile
Collector:A. Chase 614
Date:05 Aug 1905
Accession No:39579
Image:39579.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: B. F. Hansen, 1984
Cenchrus sp.
Locality:USA. Texas. Brewster Co.: 2 mi. above Lajatis; Ivy Ranch.
Description:Frequent annual. 
Habitat:Deep sandy soil.
Reproductive State:Fertile
Elevation:2200 ft
Collector:B. H. Warnock 18171
Date:24 Sep 1961
Accession No:99400
Image:99400.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: B. F. Hansen, 1984
Cenchrus sp.
Locality:USA. Texas. Winkler Co.: 10 mi. NE of Kermit. 31º 51’ 27” N -103º -5’ -33” W
Description:Frequent annual. 
Habitat:Sandy soil.
Reproductive State:Fertile
Collector:B. H. Warnock 18547
Date:03 Sep 1961
Accession No:99401
Image:99401.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Cenchrus pauciflorus Benth.
Locality:USA. Arizona. Pima Co.: Molino Basin; Santa Catalina Mountains. 32º 30’ 20” N -110º -55’ -15” W
Reproductive State:Fertile
Collector:Robert J. Schmalzel s.n.
Date:04 Sep 1973
Accession No:117718
Image:117718.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, 01-Nov-2000
Determination History: Cenchrus pauciflorus Benth. - Determined By: F. R. Fosberg
Locality:Mexico. Yucatán. Alacran Atoll, Desterrado Islet. 22º 8’ 59” N -104º -4’ -7” W
Description:Prostrate, spreading clumps; common. 
Habitat:Low dunes of fine coral sand.
Reproductive State:Fruit
Collector:F. R. Fosberg 41919
Date:05 Jul 1961
Accession No:56155
Image:56155.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav.
Locality:USA. Florida. Polk Co.: Hickory Lake Scrub, Polk County Environmental Lands. 27º 41’ 51” N 81º 32’ 32” W
Habitat:Disturbed site.
Reproductive State:Fertile
Collector:J. R. Campbell 120
Date:03 Feb 2016
Accession No:296052
Image:296052.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:Bahamas. Cat Island. Fernandez Bay, along road from the Bight Airport to Fernandez Bay.
Habitat:Low coppice.
Reproductive State:Flower
Collector:R. P. Sauleda 8332
  with D. K. Sauleda
Date:11 Jul 1983
Accession No:172334
Image:172334.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Oct 2016
Determination History: Cenchrus echinatus L.
Locality:USA. Florida. Miami-Dade Co.: Sunset Drive. 25º 42’ 21” N -80º -21’ -8” W
Description:Plants 4-8 in. high, in clumps; burs intertwining. 
Habitat:Roadside; full sunlight.
Reproductive State:Fertile
Collector:M. McMahon 4
Date:06 Mar 1970
Accession No:287867
Image:287867.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav.
Locality:USA. Florida. Hillsborough Co.: Lake Dan Nature Preserve; 1.3 km S of the Pasco County line, 1.2 km E of the Pinellas County line, 2.3 km N of FL 582, Odessa. 28º 9’ 42” N 82º 38’ 21” W
Habitat:Wet flatwoods, edges of trail.
Reproductive State:Fertile
Collector:A. Farid 116
Date:01 Oct 2015
Accession No:281901
Image:281901.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Louisiana. Caddo Par.: By shed at E end of the wash; 3.5 mi. W of Rodessa on United Gas Road #1, 1 mi. N United Gas Road #2.
Habitat:Along bayou and old oil field with wash.
Reproductive State:Fertile
Collector:S. P. Lynch 2695
Date:Sep 1978
Accession No:153237
Image:153237.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus Curtis
Cenchrus pauciflorus Benth.
Locality:USA. Louisiana. Rapides Par.: Cross road between LA 21 and 278, Kisatchie Wold, 4mi. S of Gardner.
Habitat:Deep sandy soil of old fallow field, growing with Cnidoscolus stimulosus, etc; full sun.
Reproductive State:Fertile
Collector:J. A. Ewan 19401
Date:14 Sep 1958
Accession No:5605
Image:5605.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. South Carolina. Savannah National Wildlife Refuge. Big Hill Island.
Habitat:Sandy ground.
Reproductive State:Fertile
Collector:G. R. Swank 434
Date:27 Sep 1959
Accession No:137403
Image:137403.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: Genelle, P. & Fleming, G., 1979
Cenchrus pauciflorus Benth.
Locality:USA. Georgia. Chatham Co.: W of Forst Creven; Tybee island.
Habitat:Second dune.
Reproductive State:Fertile
Collector:G. R. Swank 103
Date:25 Aug 1959
Accession No:143023
Image:143023.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus tribuloides L.
Locality:USA. Mississippi. Jones Co.: 3 mi. S of Moselle.
Habitat:Along sandy roadside shoulder.
Reproductive State:Fertile
Collector:J. D. Ray, Jr. 5016
Date:19 Jul 1955
Accession No:43640
Image:43640.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: B. F. Hansen, 1981
Cenchrus gracillimus Nash
Locality:USA. Georgia. Chatham Co.: N of SAL overpass.
Habitat:Cut in sandy bank.
Reproductive State:Fertile
Collector:G. R. Swank 178
Date:25 Aug 1959
Accession No:137404
Image:137404.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: B. F. Hansen, 1981
Cenchrus gracillimus Nash - Determined By: H. A. Gleason
Locality:USA. Mississippi. De Soto Co.: Loess Bluffs; vicinity of Good Hope Church, S of White's Creek; ca. 3 mi. W of Eudora.
Habitat:Rich mesic deciduous wooded slope.
Reproductive State:Fertile
Collector:G. R. Cooley 
  with J. D. Ray, Jr.
Date:04 Jun 1957
Accession No:95057
Image:95057.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus Curtis
Cenchrus pauciflorus Benth. - Determined By: H. L. Blomquist
Locality:USA. North Carolina. Beaufort Co.: Near US 17, 1 mi. SW of Washington.
Habitat:Field.
Reproductive State:Fertile
Collector:A. E. Radford 36146
Date:06 Jul 1958
Accession No:38556
Image:38556.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus Curtis
Cenchrus pauciflorus Benth.
Locality:USA. Georgia. McIntosh Co.: 3.5 mi. due N of the S tip of Sapelo Island.
Description:Stems prostrate. 
Habitat:Open pasture.
Reproductive State:Fertile
Collector:W. H. Duncan 20199
Date:26 Jun 1956
Accession No:8277
Image:8277.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus Curtis - Determined By: J. R. Swallen
Locality:USA. Mississippi. Oktibbeha Co.: 6 mi. N of Starkville; vicinity of Ricky Hill School.
Habitat:Dry, open grassy slope, bluff-like hills facing extensive bottomland.
Reproductive State:Fertile
Collector:J. D. Ray, Jr. 7672
Date:20 Oct 1956
Accession No:15375
Image:15375.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov-2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Louisiana. Allen Par.: Along railroad S of US 190 E of LeBlanc and W of Kinder. T6S, R6W, Section 25.
Collector:D. D. Taylor 4448
  with R. D. Thomas, Aquatic Plants Class
Date:05 Aug 1983
Accession No:218675
Image:218675.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: B. F. Hansen, 1984
Cenchrus pauciflorus Benth.
Locality:USA. Alabama. Baldwin Co.: Just E of Gulf Shores along AL-182 between the beach pavilion and entrance to Gulf State Park.
Habitat:Sand dunes.
Collector:G. Wilhelm 9569
Date:03 Jul 1981
Accession No:176963
Image:176963.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Dec 2008
Determination History: Cenchrus incertus M. A. Curtis - Determined By: C. M. Allen, 1989
Cenchrus ciliaris
Locality:USA. Louisiana. Orleans Par.: University of New Orleans campus.
Habitat:Crack between curb and street.
Elevation:-2 ft
Collector:J. MacGregor 482
Date:15 Aug 1986
Accession No:247182
Image:247182.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov-2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Alabama. Baldwin Co.: Just E of Gulf Shores along AL-182 between the beach pavilion and the entrance to Gulf State Park.
Habitat:Sand dunes.
Collector:G. Wilhelm 9576
Date:03 Jul 1981
Accession No:176956
Image:176956.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov-2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. South Carolina. Orangeburg Co.: Orangeburg.
Habitat:Open sandy ground.
Collector:A. S. Hitchcock 618
Date:18 Aug 1905
Accession No:39575
Image:39575.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov-2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Louisiana. Bienville Par.: Grassbur; Camp ground cemetery ca. 2 mi. W of Bienville off LA 507. 32º 22’ N 93º 1’ W
Habitat:Sandy uplands; neighboring marsh.
Collector:J. T. Cash 18
Date:23 Oct 1973
Accession No:122025
Image:122025.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis - Determined By: Genelle, P. & Fleming, G.
Locality:USA. Mississippi. Bolivar Co.: Off the Mississippi River ca. 6 mi. W of Lobdell.
Habitat:Sandy; grassy flat; between woods and sand bar.
Collector:J. D. Ray, Jr. 4957
Date:16 Jul 1955
Accession No:115340
Image:115340.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Locality:USA. North Carolina. Brunswick Co.: Near Greenville Manor; Greenville Sound ca. 2 mi. S of Southport.
Habitat:Atlantic Coastal Plain; damp pine woods; Pinus taeda and P. palustris.
Elevation:4 ft
Collector:H. H. Iltis 4118
Date:23 Aug 1949
Accession No:20519
Image:20519.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2001
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis
Locality:USA. Georgia. McIntosh Co.: 3 mi. due N of S end and on inland side of Sapelo Island.
Description:Culms in clump ca. 6 in diameter. 
Habitat:Open; pine-live oak woods.
Collector:W. H. Duncan 20651
Date:15 Oct 1956
Accession No:8270
Image:8270.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov-2001
Determination History: Cenchrus longispinus (Hack.) Fernald
Locality:USA. North Carolina. Carteret Co.: Roadside near junction of NC 24 and NC 58.
Habitat:Sandy.
Collector:A. E. Radford 44850
Date:05 Jul 1966
Accession No:78219
Image:78219.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2001
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis - Determined By: H. L. Blomquist
Locality:USA. South Carolina. Calhoun Co.: 1.4 mi. E of junction US 25 with US 24 on US 25; N of St. Matthews.
Habitat:Roadside.
Collector:H. E. Ahles 35378
Date:27 Sep 1957
Accession No:40842
Image:40842.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2001
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. South Carolina. Beaufort Co.: Along roadside ca. 400 yds. N of secondary road 7-243, 0.5 mi. W of the traffic circle on Hilton Head Island.
Description:Fairly common. 
Habitat:Sandy soil.
Collector:C. A. Aulbach-Smith 1146
Date:22 Aug 1980
Accession No:183780
Image:183780.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav.
Locality:USA. Florida. Hardee Co.: US 17, Wauchula. 27º 31’ 56” N 81º 48’ 35” W
Habitat:Vacant weedy lot.
Reproductive State:Fertile
Collector:S. Myers 1456
Date:08 Oct 2014
Accession No:278631
Image:278631.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav.
Locality:USA. Florida. St. Lucie Co.: Indrio Savannahs Preserve, W of US 1 off Tozour Road, N of Fort Pierce, Indrio. 27º 31’ 42” N 80º 21’ 47” W
Habitat:Weedy, sandy habitat next to retention pond.
Reproductive State:Fertile
Collector:S. Myers 1394
Date:13 Aug 2014
Accession No:278253
Image:278253.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav.
Locality:USA. Florida. Bradford Co.: E side of US 301, ca. 200 yd. S of C-18. 29º 51’ 50” N 82º 9’ 10” W
Habitat:Vacant grassy lot with scattered trees.
Reproductive State:Fertile
Collector:S. Myers 1476
  with G. Tinsley
Date:18 Oct 2014
Accession No:278513
Image:278513.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav.
Locality:USA. Florida. Lake Co.: 19700 US 441, next to Hampton Inn, S of Country Boulevard, Mount Dora. 28º 49’ 3” N 81º 37’ 53” W
Habitat:Vacant weedy lot.
Reproductive State:Fertile
Collector:S. Myers 1122
Date:01 Sep 2013
Accession No:271609
Image:271609.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav.
Locality:USA. Florida. Seminole Co.: Near a small unnamed pond on FL 434 at its intersection with East Lake Brantley, Wekiva Springs. 28º 41’ 14” N 81º 24’ 45” W
Description:Burr pubescent. 
Habitat:Neglected turf at edge of sidewalk.
Reproductive State:Fertile
Collector:D. H. Williams 3673
Date:25 Jun 2013
Accession No:269805
Image:269805.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav.
Locality:USA. Florida. Volusia Co.: Tomoka State Park. Johns Island; ca. 1 km E of the US 1 bridge at the Tomoka River, ca. 1 km NNE of the N terminus of Nova Road (C-5A). 29º 18’ 3” N 81º 5’ 13” W
Habitat:Raised, unpaved service road traversing brackish marsh.
Reproductive State:Fertile
Collector:J. M. Kunzer 1166
Date:22 Oct 2005
Accession No:241736
Image:241736.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Florida. DeSoto Co.: E end of Boggess Creek Bridge, 2. 0 mi. W of US 17 on C-761, SW of Fort Ogden. T39S, R23E, Sec. 14, SW¼.
Habitat:Roadside.
Reproductive State:Fertile
Collector:D. W. Crewz 1623
  with R.P. Wain
Date:27 Aug 1979
Accession No:140219
Image:140219.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: A.G. Shuey
Locality:USA. Florida. Brevard Co.: North Merritt Island. Along dirt road parallel to canal N of Lab. T20S, R36E, Sec. 33, SW¼.
Habitat:Roadside; marly soil.
Reproductive State:Fertile
Collector:A.G. Shuey M0607
Date:20 Jul 1973
Accession No:120319
Image:120319.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Lee Co.: Sanibel Island. J.N. "Ding" Darling National Wildlife Refuge; Woodring's Point, along San Carlos Bay. 26º 26’ 56” N -82º -1’ -20” W
Habitat:Coastal hammock and mangroves.
Reproductive State:Fertile
Collector:R. P. Wunderlin 6035
  with A.N. Arcuri, B.F. Hansen
Date:27 Oct 1978
Accession No:137339
Image:137339.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Highlands Co.: C-621, near S end of Lake Istokpoga. 27º 24’ 0” N -81º -21’ 0” W
Description:Culms prostrate and ascending, radiating, over 1 m long; perennial ? 
Habitat:Open sandy roadside in sand scrub.
Reproductive State:Flower
Collector:L. J. Brass 32931
Date:12 Dec 1962
Accession No:137435
Image:137435.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Lee Co.: Sanibel Island. J.N. "Ding" Darling National Wildlife Refuge; 3.5 mi. int Refuge on access road, along small road under powerlines, ca. 2 mi. ESE of Wulfert (Blind Pass). T46S, R22E, Sec. 7, SW¼. 26º 26’ 56” N -82º -1’ -20” W
Habitat:Weedy, shrubby roadside.
Reproductive State:Fertile
Collector:B. F. Hansen 5168
  with R.P. Wunderlin, A.N. Arcuri
Date:16 Mar 1979
Accession No:138813
Image:138813.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Highlands Co.: FL 17, Hicoria. 27º 9’ 0” N -81º -21’ 0” W
Description:Commonly scattered [?]; culms erect from an ascending base, compressed, pink; leaf blades folded flat; ripe burs pale. 
Habitat:Dry, open, sandy roadsides.
Reproductive State:Fertile
Collector:L. J. Brass 33222
Date:12 May 1964
Accession No:137436
Image:137436.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Collier Co.: Naples. 26º 8’ 31” N -81º -47’ -41” W
Habitat:Highway berm and pineland.
Reproductive State:Fertile
Collector:O. K. Lakela 30678
Date:05 Mar 1967
Accession No:79634
Image:79634.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: J. M. Kunzer, 04-Sep-2007
Determination History: Cenchrus echinatus L.
Locality:USA. Florida. Lee Co.: Lovers Key State Park. Along Black Island Trail. T47S, R24E, Sec. 11, E½ of NW¼.
Habitat:Ruderal.
Reproductive State:Fertile
Collector:A. Bishop LK0017
Date:19 Jun 2003
Accession No:244405
Image:244405.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Pinellas Co.: Honeymoon Island Recreation Area. Little Bayou; SE entrance S of range's mobile home, shore area to embankment, ca. 75 m W. T28S, R15E, Sec. 8.
Habitat:Old dunes; wet sand.
Reproductive State:Fertile
Collector:G. Fleming 3185
  with P. Genelle
Date:23 Sep 1979
Accession No:149444
Image:149444.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Florida. DeSoto Co.: 7 mi. S of Arcadia on FL 17, in Orange Grove. 27º 12’ 57” N -81º -51’ -30” W
Reproductive State:Fertile
Collector:A. Fulton 318
Date:06 Dec 1978
Accession No:141441
Image:141441.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Collier Co.: Immokalee. 26º 25’ 7” N -81º -25’ -2” W
Description:Large tufts throughout. 
Habitat:Vacant lots.
Reproductive State:Fertile
Collector:O. K. Lakela 27491
Date:26 Sep 1964
Accession No:61345
Image:61345.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Highlands Co.: Ca. 1 mi. N of Bairs Den (intersection of US 27 and FL 70).
Habitat:Weedy roadside margin of Pinus clausa scrub.
Reproductive State:Fertile
Collector:J. D. Ray, Jr. 10392
  with O. Lakela, J. Patman
Date:07 Oct 1960
Accession No:27847
Image:27847.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis
Cenchrus pauciflorus Benth. - Determined By: Erdman West
Locality:USA. Florida. Monroe Co.: Terreplain, Garden Key, Tortugas. 24º 38’ 44” N -82º -53’ -15” W
Reproductive State:Fertile
Collector:W. G. Atwater 592
Date:12 Jul 1961
Accession No:41755
Image:41755.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus pauciflorus Benth.
Locality:USA. Florida. Lee Co.: Sanibel Island. 26º 26’ 56” N -82º -1’ -20” W
Reproductive State:Fertile
Collector:G. R. Cooley 2420
Date:20 Dec 1953
Accession No:6250
Image:6250.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Pinellas Co.: East Woods Road, Dunedin Hammock, Dunedin. 28º 1’ 11” N -82º -46’ -18” W
Reproductive State:Fertile
Collector:P. Genelle 2378
  with G. Fleming
Date:25 Sep 1976
Accession No:126080
Image:126080.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: B. F. Hansen, 1981
Cenchrus tribuloides L. - Determined By: O. K. Lakela
Cenchrus pauciflorus Benth. - Determined By: Erdman West
Locality:USA. Florida. Monroe Co.: Parade Ground, Garden Key, Tortugas. 24º 38’ 44” N -82º -53’ -15” W
Reproductive State:Fertile
Collector:W. G. Atwater 598
Date:14 Jul 1961
Accession No:41757
Image:41757.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: B. F. Hansen, 1981
Cenchrus tribuloides L. - Determined By: O. K. Lakela, 1970
Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Monroe Co.: Plantation Key. 24º 58’ 34” N -80º -33’ -8” W
Habitat:Pioneer herbs and shrubs along sand - shell terraces, coastal strand.
Reproductive State:Fertile
Collector:O. K. Lakela 31867
  with F. Almeda
Date:25 Jun 1968
Accession No:83247
Image:83247.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: B. F. Hansen, 1981
Cenchrus tribuloides L. - Determined By: O. K. Lakela, 1970
Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Monroe Co.: Plantation Key, ocean side. 24º 58’ 34” N -80º -33’ -8” W
Reproductive State:Fertile
Collector:O. K. Lakela 31881
  with F. Almeda
Date:25 Jun 1968
Accession No:83256
Image:83256.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: B. F. Hansen, 1981
Cenchrus pauciflorus Benth.
Cenchrus tribuloides L.
Locality:USA. Florida. Seminole Co.: Outskirts of Sanford. 28º 48’ 1” N -81º -16’ -23” W
Habitat:Disturbed area.
Reproductive State:Fertile
Collector:G. R. Cooley 7539
  with R.J. Eaton, J.D. Ray, Jr.
Date:03 May 1960
Accession No:18909
Image:18909.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Florida. St. Johns Co.: Along S side of FL 206, just across bridge W of Crescent Beach. T8S, R30E, Sec. 46.
Habitat:Weedy fill area on intracoastal waterway.
Reproductive State:Fertile
Collector:B. F. Hansen 9823
  with J. Hansen
Date:28 Sep 1983
Accession No:174070
Image:174070.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Okeechobee Co.: Lake Okeechobee public access point at Nubbin Slough, ca. 4.5 mi. (sld) SE of Okeechobee. T38S, R36E, Sec. 6, NW¼ of SE¼. 27º 14’ 38” N -80º -49’ -47” W
Habitat:Weedy area along lake shore.
Reproductive State:Fertile
Collector:B. F. Hansen 11289
  with R.P. Wunderlin, K. Kuhlman
Date:25 Sep 1986
Accession No:191806
Image:191806.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: B. F. Hansen, 1981
Cenchrus gracillimus Nash - Determined By: Erdman West
Locality:USA. Florida. Monroe Co.: Parade Ground, Garden Key, Tortugas. 24º 38’ 44” N -82º -53’ -15” W
Reproductive State:Fertile
Collector:C. B. Atwater 597
Date:14 Jul 1961
Accession No:41756
Image:41756.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1986
Locality:USA. Florida. Citrus Co.: 0.5 mi. SE of the Levy County line on US 19/98, at Cross Florida [Barge] Canal. 28º 0’ 0” N -82º 0’ 0” W
Habitat:Grassy open area; sandy soil.
Reproductive State:Fertile
Collector:S. A. Thompson 2912
  with J.H. Nishida
Date:28 Aug 1985
Accession No:206548
Image:206548.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis - Determined By: B. F. Hansen, 1981
Cenchrus tribuloides L.
Locality:USA. Florida. Monroe Co.: Big Pine Key; in lawn of Vista Linda Motel. 29º 22’ 0” N -83º -1’ -59” W
Description:Plants short, in small tufts. 
Reproductive State:Fertile
Notes:Mixed collection, with Cenchrus echinatus.
Collector:O. K. Lakela 27812A
Date:12 Nov 1964
Accession No:61724
Image:61724.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis - Determined By: B. F. Hansen, 1981
Cenchrus longispinus (Hack.) Fernald - Determined By: O. K. Lakela
Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Hernando Co.: Ca. 2 mi. W of Spring Lake, near the junction of Cedar Lane and FL 572. T23S, R20E, Sec. 8.
Description:Spikelets immature. 
Habitat:Much disturbed, old, white sand scrub with hardwood intrusion, especially in moist areas.
Reproductive State:Fertile
Collector:G. R. Cooley 8320
  with J.D. Ray, Jr., C.E. Wood, Jr.
Date:05 May 1961
Accession No:43130
Image:43130.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Lee Co.: Cayo-Costa Island, along central E-W path.
Habitat:Cabbage palm [Sabal palmetto] - live oak [Quercus virginiana] forest.
Reproductive State:Fertile
Collector:S. Young 536
  with S. Herwitz
Date:08 Apr 1991
Accession No:206370
Image:206370.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis - Determined By: B. F. Hansen, 1981
Cenchrus longispinus (Hack.) Fernald - Determined By: O. K. Lakela
Cenchrus pauciflorus Benth.
Locality:USA. Florida. Collier Co.: Sandbar SE of Cape Romano.
Habitat:Beach vegetation of 20 genera thriving in pure white sand; Conocarpus the only tall shrub.
Reproductive State:Fertile
Collector:O. K. Lakela 31032
  with M. Barilotti
Date:16 Aug 1967
Accession No:81098
Image:81098.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis - Determined By: B. F. Hansen, 1981
Cenchrus longispinus (Hack.) Fernald - Determined By: O. K. Lakela
Cenchrus pauciflorus Benth.
Locality:USA. Florida. Collier Co.: Sandbar SE of Cape Romano.
Habitat:Beach vegetation of 20 genera thriving in pure white sand; Conocarpus the only tall shrub.
Reproductive State:Fertile
Collector:O. K. Lakela 31041
  with M. Barilotti
Date:16 Aug 1967
Accession No:80819
Image:80819.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Pinellas Co.: Clearwater; N of sewage treatment plant, FL 580, N bank of Magnolia Creek. 27º 57’ 54” N -82º -54’ -40” W
Reproductive State:Fertile
Collector:G. Fleming 3939
Date:12 Dec 1987
Accession No:194182
Image:194182.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis
Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Monroe Co.: North Key Largo. 27º 54’ 34” N -82º -47’ -14” W
Habitat:Low hammock and beach.
Reproductive State:Fertile
Collector:O. K. Lakela 30476
  with F. Almeda
Date:20 Dec 1966
Accession No:78756
Image:78756.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis
Cenchrus pauciflorus Benth. - Determined By: Robert Kral
Locality:USA. Florida. Pinellas Co.: 1 mi. W of Tarpon Springs. 28º 1’ 59” N -82º -34’ 0” W
Habitat:Sandy lot.
Reproductive State:Fertile
Collector:R. Kral 7441
Date:23 Jul 1958
Accession No:8729
Image:8729.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Manatee Co.: Wingate Creek State Preserve. T35S, R22E, Sec. 6, NW¼ of SE¼ of SW¼.
Habitat:Ruderal.
Reproductive State:Fertile
Collector:C. Becker WC0408
Date:07 May 1998
Accession No:226742
Image:226742.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav.
Locality:USA. Florida. Clay Co.: Ca. 3.5 mi. ENE of the junction of FL 100 and FL 21, ca. 0.25 mi>SSE of Silver Sands Lake (Ten Mile Pond), N side of Overlook Terrace, E of Silver Sands Lake Drive. T8S, R23E, Sec. 14, SW¼. 27º 55’ 34” N -82º -30’ -53” W
Habitat:Unpaved roadside in relatively undisturbed sandhill iwth interrupeted (discontinued) fire cycle; sporadic residences nearby.
Reproductive State:Fertile
Collector:J. M. Kunzer 1081
Date:03 Jun 2005
Accession No:240659
Image:240659.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav.
Locality:USA. Florida. Pasco Co.: Starkey Wilderness Park. 2.5 mi. NNW of Odessa. T26S, R17E, Sec.. 4, NW¼ of SE¼. 28º 11’ 38” N -82º -35’ -30” W
Habitat:Mesic flatwoods.
Reproductive State:Fertile
Collector:E. M. Ferguson 319
Date:26 Aug 2003
Accession No:240911
Image:240911.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav.
Locality:USA. Florida. Hillsborough Co.: Hillsborough River State Park. W portion [of park]. T27S, R21E, Sec. 8. 27º 55’ 0” N -82º -21’ 0” W
Habitat:Roadside.
Reproductive State:Fertile
Collector:C. vanHoek HR0386
  with S. Petty
Date:10 Oct 2005
Accession No:245695
Image:245695.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Dec 2009
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Polk Co.: Avon Park Air Force Range. Jennings Memorial Drive betwen Hunt Headquarters and Smith Road. T32S, R30E, Sec. 30, NE¼ of SE¼. 30º 36’ 14” N -83º -5’ -52” W
Habitat:Disturbed edge of flatwoods.
Reproductive State:Fertile
Collector:C. vanHoek 730
  with B. Wargo
Date:27 Sep 1996
Accession No:251939
Image:251939.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav.
Locality:USA. Florida. Lee Co.: SW 29th Street, off of Cape Coral Parkway, Cape Coral.
Habitat:Coastal field, near burrowing owl nesting burrows.
Reproductive State:Fertile
Collector:M. T. Strong 3835
  with F. Strong, J. Strong, C. Kelloff
Date:24 Aug 2008
Accession No:252640
Image:252640.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav.
Locality:USA. Florida. Hillsborough Co.: Egmont Key State Park. T33S, R15E, Sec. 26, NE¼ of NW¼.
Habitat:Dune/hammock; grassy area with cabbage palm [Sabal palmetto] canopy, fire there in last couple of years.
Reproductive State:Fertile
Collector:E. Jensen EK0016
  with C. Olson
Date:22 Aug 2006
Accession No:247471
Image:247471.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav.
Locality:USA. Florida. Sarasota Co.: Churchill Rnch on Border Road, part of Deer Prairie Creek Preserve, ca. 2.3 km ENE of the junction of I-75 and C-777 (River Road). T39S, R20E, Sec. 5. 27º 7’ 3” N 82º 19’ 40” W
Habitat:Seasonally mowed mesic site.
Reproductive State:Fertile
Collector:A. R. Franck 303
Date:14 Aug 2007
Accession No:246288
Image:246288.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav.
Locality:USA. Florida. Franklin Co.: St. James Bay Golf Course, just N of US 98, ca. 67 mi. E of Carrabelle. 29º 51’ 8” N -84º -40’ -27” W
Habitat:Coastal scrub and mixed forest.
Reproductive State:Fertile
Collector:B. F. Hansen 13030
Date:10 Oct 2005
Accession No:241671
Image:241671.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis
Cenchrus pauciflorus Benth.
Locality:USA. Florida. Lee Co.: Sanibel Island. 26º 26’ 56” N -82º -1’ -20” W
Habitat:From new lawn.
Reproductive State:Fertile
Collector:G. R. Cooley 2623
Date:15 Apr 1954
Accession No:6251
Image:6251.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis - Determined By: B. F. Hansen, 1981
Cenchrus tribuloides L.
Locality:USA. Florida. Lee Co.: Sea Oats subdivision, Central Sanibel [Island]. 26º 26’ 56” N -82º -1’ -20” W
Description:Plants ascending to almost upright. 
Habitat:Recent clearings.
Reproductive State:Fertile
Collector:W. C. Brumbach 8939
Date:06 Mar 1976
Accession No:130988
Image:130988.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Hillsborough Co.: Balm-Boyette Tract. 2.5 mi. SSW of Boyette. T31S, R21E, Sec. 18, SW¼ of NE¼. 27º 49’ 0” N -82º -13’ 0” W
Reproductive State:Fertile
Collector:S. Landry s.n.
  with C. Vandaveer
Date:08 Sep 1995
Accession No:221949
Image:221949.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Hendry Co.: Along US 27, 0.3 mi. S of the Glades County line, ca. 9 mi. W of Clewiston. T43S, R32E, Sec. 12, NE¼. 26º 45’ 15” N -80º -56’ -1” W
Habitat:Roadside.
Reproductive State:Fertile
Collector:G. Robinson 294
  with B.F. Hansen
Date:02 Jul 1981
Accession No:160370
Image:160370.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: R. P. Wunderlin, 1987
Cenchrus longispinus (Hack.) Fernald
Locality:USA. Florida. Pinellas Co.: Summer Resort Key remnants, N of Mullet Key.
Reproductive State:Fertile
Collector:R. F. Thorne 48426
Date:22 Jun 1976
Accession No:192427
Image:192427.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Pasco Co.: FL 54, ca. 4.5 mi. E of US 301; near bridge over Hillsborough Rier on N side of FL 54. 27º 55’ 0” N -82º -21’ 0” W
Habitat:Well-drained roadside.
Reproductive State:Fertile
Collector:E. E. Wise s.n.
Date:27 Sep 1986
Accession No:191332
Image:191332.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Polk Co.: Avon Park Bombing Range. N side of Kissimmee Road, 0.5 mi. W of Old Bravo Road. T33S, R30E, Sec. 1. 28º 17’ 27” N -81º -24’ -25” W
Reproductive State:Fertile
Collector:D. R. Lindsey 680
  with S. Upchurch
Date:29 May 1981
Accession No:168091
Image:168091.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis - Determined By: B. F. Hansen, 1981
Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Sarasota Co.: Corner of Shoreland and Osprey, Sarasota. 27º 19’ 35” N -82º -44’ -36” W
Habitat:Empty lot.
Reproductive State:Fertile
Collector:C. A. Luer s.n.
Date:Jul 1974
Accession No:152377
Image:152377.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis - Determined By: B. F. Hansen, 1981
Cenchrus tribuloides L. - Determined By: O. K. Lakela
Cenchrus tribuloides L. - Determined By: Erdman West
Locality:USA. Florida. Miami-Dade Co.: Key Biscayne.
Reproductive State:Fertile
Collector:C. B. Atwater GS-159
Date:07 Sep 1959
Accession No:57363
Image:57363.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Sumter Co.: N side of FL 44, 1 mi. WNW of I-75. T18S, R22E, Sec. 33.
Habitat:Disturbed sandhill community.
Reproductive State:Fertile
Collector:R. P. Wunderlin 9683
  with B.F. Hansen, G. Robinson
Date:28 Jun 1984
Accession No:179574
Image:179574.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus bambusoides Caro & E. A. Sanchez
Locality:USA. Florida. Palm Beach Co.: 1025 Ocean Avenue, Palm Beach. 28º 0’ 19” N -82º -27’ -2” W
Habitat:Vacant lot.
Reproductive State:Fertile
Collector:W. L. McCart 11032
Date:04 Oct 1967
Accession No:88691
Image:88691.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Locality:USA. Florida. Hillsborough Co.: Beacon Key. Study site #9. T32S, R18E, Sec. 31.
Habitat:Abundant along roadside in shell dump and fill area, dominated by Quercus and Serenoa.
Reproductive State:Fertile
Collector:S. Todd 296
Date:25 Jul 1974
Accession No:112853
Image:112853.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Locality:USA. Florida. Hillsborough Co.: Beacon Key. Study site #12, E of US 41. T32S, R18E, Sec. 34.
Habitat:Very abundant in dry areas; oak scrub dominated by Quercus and Serenoa.
Reproductive State:Fertile
Collector:S. Todd 295
Date:31 Jul 1974
Accession No:112852
Image:112852.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Broward Co.: E of Airport Holiday Inn, junction of I-95 and FL 84, Fort Lauderdale. 28º 11’ 16” N -82º -44’ -22” W
Habitat:Weedy lot.
Reproductive State:Fertile
Collector:M. A. Vincent 4172
Date:09 Jun 1989
Accession No:199903
Image:199903.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Lee Co.: Sanibel Island. J.N. "Ding" Darling National Wildlife Refuge; access road at entrance to Refuge, 2 mi. W of Tarpon Bay Road on Sanibel-Captiva Road. T46S, R22E, Sec. 21, NE¼ of SW¼. 26º 26’ 56” N -82º -1’ -20” W
Habitat:Scrub hammock and roadside ditch.
Reproductive State:Fertile
Collector:B. F. Hansen 5148
  with R.P. Wunderlin, D.R. Richardson
Date:16 Mar 1979
Accession No:138819
Image:138819.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Lee Co.: Sanibel Island. J.N. "Ding" Darling National Wildlife Refuge; 2 mi. into Refuge on access road, near observation tower, ca. 3.3 mi. SE orf Wulfert (Blind Pass). T46S, R22E, Sec. 17. 26º 26’ 56” N -82º -1’ -20” W
Habitat:Roadside gravel.
Reproductive State:Fertile
Collector:B. F. Hansen 5038
  with A.N. Arcuri
Date:13 Jan 1979
Accession No:138909
Image:138909.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Aug 2002
Determination History: Cenchrus echinatus L.
Locality:USA. Florida. Lee Co.: Koreshan State Historic Site. At treatment plant, BUrn Zone 7a NW. T46S, R25E, Sec. 33, SW¼ of NE¼ of NW¼ of NW¼ of NW¼.
Description:Erect grass to 50 cm high. Common
Habitat:Ruderal area in mesic flatwoods.
Reproductive State:Fertile
Collector:S. Cole KS0062
Date:22 Jun 1995
Accession No:232187
Image:232187.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: J. R. Swallen
Locality:USA. Florida. Hillsborough Co.: Ca. 12 mi. SE of Tampa off US 41; Apollo Beach area. 27º 56’ 51” N -82º -27’ -30” W
Habitat:Newly dredged and developed beach area with exposed sand "dunes" ca. 2 years old.
Reproductive State:Fertile
Collector:J. D. Ray, Jr. 10584
  with O. Lakela, J. Patman
Date:28 Oct 1960
Accession No:24727
Image:24727.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: D. W. Crewz, 01-Mar-1982
Cenchrus longispinus (Hack.) Fernald
Locality:USA. Florida. Pinellas Co.: Fort De Soto County Park.
Habitat:Beachfront; sea oats [Uniola paniculata] fertilization site.
Reproductive State:Fertile
Collector:W. F. Grey s.n.
Date:26 Apr 1979
Accession No:201142
Image:201142.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: D. W. Crewz, 01-Mar-1982
Cenchrus bambusoides Caro & E. A. Sanchez - Determined By: Durako, M. & Gross, R. H.
Locality:USA. Florida. Palm Beach Co.: 1 mi. W of Turnpike off Forest Hill Boulevard.
Habitat:Pine flatwoods.
Reproductive State:Fertile
Collector:M. Durako 78
Date:14 Apr 1972
Accession No:201141
Image:201141.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2001
Determination History: Cenchrus incertus M. A. Curtis - Determined By: R. A. Hattaway
Locality:USA. Florida. Collier Co.: Collier-Seminole State Park. N of US 41, near borrow pit. T51S, R27E, Sec. 35, SW¼ of NW¼ of NE¼. 26º 7’ 59” N -81º -28’ -59” W
Habitat:Ruderal.
Reproductive State:Fertile
Collector:R. A. Hattaway CS0362
Date:22 Jul 1998
Accession No:230693
Image:230693.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus longispinus (Hack.) Fernald - Determined By: B. F. Hansen, 1981
Cenchrus incertus M. A. Curtis
Cenchrus pauciflorus Benth. - Determined By: J. R. Swallen
Locality:USA. Florida. Hillsborough Co.: Ca. 12 mi. SE of Tampa off US 41; Apollo Beach area. 27º 56’ 51” N -82º -27’ -30” W
Habitat:Newly dredged and developed beach area with exposed and developed beach area with exposed sand "dunes" ca. 2 years old.
Reproductive State:Fertile
Collector:J. D. Ray, Jr. 10582
  with O. Lakela, J. Patman
Date:28 Oct 1960
Accession No:24698
Image:24698.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Hernando Co.: Chinsegut Wildlife Refuge; along US 41, 4 mi. N of Brooksville. 28º 33’ 18” N -82º -23’ -16” W
Habitat:Open sandy areas chiefly along paths in Dry wooded ridge; live oak [Quercus virginiana] - turkey oak [Q. laevis] with pine.
Reproductive State:Fertile
Notes:Sheet 2 of 2.
Collector:J. D. Ray, Jr. 9491
Date:14 Oct 1959
Accession No:15355
Image:15355.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Feb 2002
Determination History: Cenchrus echinatus L.
Locality:USA. Florida. Nassau Co.: Ralph E. Simmons Memorial State Forest. 3.5 mi. N of Lake Hampton Road, just S of St. Marys River, 4 mi. E of US 301. T3N, R23E, Sec. 41. 29º 51’ 51” N -82º -7’ -51” W
Habitat:Along powerline right-of-way adjacent to upland turkey oak [Quercus laevis] - longleaf pine [Pinus palustris] community.
Reproductive State:Fertile
Collector:C. Slaughter 12723
Date:15 Aug 2001
Accession No:231583
Image:231583.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Feb 2001
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Sumter Co.: NW side of FL 44, 1.6 km W of its junction with FL 475, ca. 9 km ENE of the Withlacoochee River (where FL 44 crosses it), and 9.6 km W of Wildwood. 28º 51’ 54” N -82º -2’ -20” W
Habitat:Longleaf pine [Pinus palustris] - turkey oak [Quercus laevis] sandhill.
Reproductive State:Fertile
Collector:M. T. Strong 2329
Date:22-23 May 2000
Accession No:227282
Image:227282.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis - Determined By: O. K. Lakela, Jan 1968
Cenchrus pauciflorus Benth.
Locality:USA. Florida. Martin and Palm Beach Co's: Jupiter Island. 26º 56’ 3” N -80º -5’ -39” W
Reproductive State:Fertile
Collector:G. R. Cooley 4844
Date:27 Jul 1956
Accession No:455
Image:455.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis - Determined By: O. K. Lakela
Cenchrus pauciflorus Benth.
Locality:USA. Florida. Palm Beach Co.: Both sides of Old Okeechobee Road around the bend from the Shrine Club, West Palm Beach. 27º 14’ 38” N -80º -49’ -47” W
Description:11 dm tall. 
Habitat:Waste land; disturbed ground, sand, full sun.
Reproductive State:Fertile
Collector:P. M. Cassen 155
Date:24 Aug 1967
Accession No:81231
Image:81231.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Hillsborough Co.: Little Manatee River State Park. N loop of North Hiking Trail, near powerline right-of-way. T32S, R19E, Sec. 25, NE¼ of NE¼. 27º 28’ 59” N -82º -10’ -59” W
Description:Grass to 0.4 m. 
Habitat:Ruderal area.
Reproductive State:Fertile
Collector:J. Myers 439
  with C. Myers
Date:15 Aug 1999
Accession No:230341
Image:230341.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: A.G. Shuey
Locality:USA. Florida. Brevard Co.: North Merritt Island. Along dirt road parallel to canal N of Lab. T20S, R36E, Sec. 33, SW¼.
Habitat:Roadside; marly soil.
Reproductive State:Fertile
Notes:Sheet 2 of 2.
Collector:A.G. Shuey M0606
Date:20 Jul 1973
Accession No:119701
Image:119701.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis - Determined By: D. W. Hall
Locality:USA. Florida. Brevard Co.: FL 46 and the Volusia County line. 29º 4’ 59” N -81º -12’ 0” W
Description:8-12 in. tall. 
Habitat:Dry roadside.
Reproductive State:Fertile
Collector:L. Baltzell 2324
Date:28 Sep 1970
Accession No:147116
Image:147116.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2009
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Hillsborough Co.: University of South Florida Ecological Research Area. 28º 0’ 0” N -82º 0’ 0” W
Habitat:Dry sandy area along trail.
Reproductive State:Fertile
Collector:C. S. Lewis 7
Date:29 Sep 1977
Accession No:135272
Image:135272.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: B. J. Herring
Locality:USA. Florida. Columbia Co.: Ichetucknee Springs State Park. 4.5 mi. NW of Fort White off of US 27; ca. 1.3 mi. NE of South Entrance, in SW portion of section 1E, N of fence. T6S, R16E, Sec. 18.
Description:Herb; fruits bristly, short-pubescent. Frequent
Habitat:Sandhhill, with Pteridium aquilinum, Pinus palustris, and Pityopsis graminifolia.
Reproductive State:Fertile
Collector:B. J. Herring 815
  with D. Herring
Date:29 Jun 1992
Accession No:210339
Image:210339.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Pasco Co.: Not far from River Road and Withlacoochee River. T24S, R22E, Sec. 32. 28º 27’ 56” N -82º -10’ -19” W
Habitat:Sandhill.
Reproductive State:Fertile
Collector:T. F. Rochow s.n.
Date:10 Oct 1983
Accession No:178410
Image:178410.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Hillsborough Co.: University of South Florida N parking area. 28º 0’ 0” N -82º 0’ 0” W
Description:0.2 m tall herb; fruit greenish. Common
Habitat:Sandy soils.
Reproductive State:Fertile
Collector:C. G. Willett 81
Date:29 Sep 1977
Accession No:132570
Image:132570.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Okeechobee Co.: W of Okeechobee City. 27º 14’ 38” N -80º -49’ -47” W
Habitat:Roadside.
Reproductive State:Fertile
Collector:G. R. Cooley 1065
Date:28 Feb 1952
Accession No:452
Image:452.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: J. D. Skean, Jr.
Locality:USA. Florida. Levy Co.: Along FL 24, ca. 3 km SW of the Alachua County line, at the intersection of Amelia Drive. T12S, R17E, Sec. 4, NW¼ of SE¼. 29º 45’ 5” N -82º -25’ -29” W
Habitat:Disturbed roadside.
Reproductive State:Fertile
Collector:J. D. Skean, Jr. 809
Date:28 Aug 1982
Accession No:170138
Image:170138.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Pinellas Co.: Moccasin Lake Park. Clearwater; NE meadow. 27º 57’ 54” N -82º -54’ -40” W
Habitat:Disturbed area.
Reproductive State:Fertile
Collector:G. Fleming 3654
Date:17 Sep 1983
Accession No:172633
Image:172633.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Flagler Co.: At Little Haw Creek, 0.5 mi. N of the Volusia County line along FL 11, ca. 5 mi. S of Codys Corner. T14S, R29E, Sec. 23, NE¼ of SE¼. 29º 4’ 59” N -81º -12’ 0” W
Habitat:Weedy roadside and creek bank at bridge.
Reproductive State:Fertile
Collector:B. F. Hansen 9746
  with J. Hansen
Date:27 Sep 1983
Accession No:173962
Image:173962.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: B. F. Hansen, 1981
Cenchrus tribuloides L.
Locality:USA. Florida. Monroe Co.: Tavernier vicinity, North Key Largo. 25º 0’ 39” N -80º -30’ -55” W
Habitat:On trail through shore hammock.
Reproductive State:Flower
Collector:O. K. Lakela s.n.
  with L. Pardue
Date:27 Aug 1968
Accession No:87996
Image:87996.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Orange Co.: Along Moss Park Road, 1.5 mi. E of FL 15, at Hart Branch. T24S, R31E, Sec. 9, NW¼ of SE¼.
Habitat:Roadside.
Reproductive State:Fertile
Collector:B. F. Hansen 8701
  with D.R. Lindsey
Date:25 Aug 1981
Accession No:157406
Image:157406.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Osceola Co.: Along C-532, 3.1 mi. E of its junction with US 192/441; Lake Center at New Eden. T25S, R31E, Sec. 35, NW¼ of NE¼. 27º 16’ 36” N -80º -14’ -34” W
Description:Roadside weed. 
Reproductive State:Fertile
Collector:B. F. Hansen 8563
  with G. Robinson
Date:14 Aug 1981
Accession No:156800
Image:156800.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Duval Co.: Near Jacksonville. 30º 18’ 4” N -81º -32’ -45” W
Habitat:Old fields and pine barrens.
Reproductive State:Fertile
Collector:A. H. Curtiss 6019
Date:11 Oct 1897
Accession No:209666
Image:209666.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Lake Co.: S edge of Lake Dora. 27º 51’ 34” N -82º -5’ -7” W
Reproductive State:Fertile
Collector:R. F. Daubenmire s.n.
  with J. Daubenmire
Date:22 Nov 1980
Accession No:179077
Image:179077.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Hernando Co.: Chinsegut Wildlife Refuge; along US 41, 4 mi. N of Brooksville. 28º 33’ 18” N -82º -23’ -16” W
Habitat:Open sandy areas chiefly along paths on a dry, wooded ridge; live oak [Quercus virginiana] - turkey oak [Q. laevis] with pine.
Reproductive State:Fertile
Collector:J. D. Ray, Jr. 9491
Date:14 Oct 1959
Accession No:15634
Image:15634.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis - Determined By: B. F. Hansen, 1981
Cenchrus longispinus (Hack.) Fernald - Determined By: A.G. Shuey
Locality:USA. Florida. Brevard Co.: North Merritt Island. Along dirt road paralleling canal N of the Field Station Lab on the E side of FL 3, N of its junction with C-406. T20S, R36E, Sec. 33, SW¼.
Habitat:Marly soil.
Reproductive State:Fertile
Collector:A.G. Shuey s.n.
Date:20 Jul 1973
Accession No:119702
Image:119702.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav.
Locality:USA. Florida. Pasco Co.: Werner-Boyce Salt Springs State Park. S of park entrance on Scenic Drive. T25S, R16E, Sec. 16, NW¼ of SE¼.
Habitat:Ruderal at beginning of firebreak.
Reproductive State:Fertile
Collector:C. vanHoek WB0429
Date:07 Sep 2003
Accession No:247781
Image:247781.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Oct 2009
Determination History: Cenchrus gracillimus Nash
Locality:USA. Florida. Polk Co.: Avon Park Air Force Range. W of Frostproof Road at its junction with Bravo Road. T32S, R30E, Sec. 18, SW¼ of SW¼. 27º 44’ 45” N -81º -31’ -50” W
Habitat:High pineland.
Reproductive State:Fertile
Collector:C. vanHoek 604
  with B. Wargo
Date:12 Jul 1996
Accession No:251006
Image:251006.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav.
Locality:USA. Florida. Pasco Co.: Starkey Wilderness Park. 2.5 mi. NNW of Odessa. T26S, R17E, Sec. 4, SW¼ of SE¼. 28º 11’ 38” N -82º -35’ -30” W
Habitat:Mesic flatwoods.
Reproductive State:Fertile
Collector:E. M. Ferguson 307
  with J.M. Kunzer
Date:19 Aug 2003
Accession No:251013
Image:251013.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav.
Locality:USA. Florida. Volusia Co.: Bulow Creek State Park. Ca. 1.75 km W of the Old Dixie Highway bridge over the Tomoka River. 29º 20’ 16” N 81º 6’ 27” W
Description:Culms ascending. 
Habitat:Disturbed upland (dry) hammock.
Reproductive State:Fertile
Collector:J. M. Kunzer 2024
  with C. DuToit
Date:22 Dec 2006
Accession No:253245
Image:253245.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Oct 2002
Determination History: Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Charlotte Co.: Don Pedro State Recreation Area. Island. T42S, R20E, Sec. 3, NW¼ of SW¼ of SW¼. 28º 58’ 0” N -82º -7’ 0” W
Habitat:Coastal.
Reproductive State:Fertile
Collector:S.W. Braem DP0112
Date:18 Aug 1999
Accession No:232971
Image:232971.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Jan 2003
Determination History: Cenchrus incertus M. A. Curtis - Determined By: R. A. Hattaway
Locality:USA. Florida. Citrus Co.: Fort Cooper State Park. Near park manager's home. T19S, R20E, Sec. 21, SE¼ of SE¼
Habitat:Sandhill edge.
Reproductive State:Fertile
Collector:R. A. Hattaway FC0034
Date:19 Nov 1999
Accession No:235422
Image:235422.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Jun 2004
Determination History: Cenchrus incertus M. A. Curtis - Determined By: T. MacClendon, 23-Sep-2003
Locality:USA. Florida. Brevard Co.: Dicerandra Scrub Sanctuary. 28º 33’ 19” N 80º 48’ 52” W
Description:Yellow-green. Common
Habitat:Scrub, sandy soil.
Reproductive State:Fertile
Collector:T. MacClendon 217
  with K.R. Weichman, J. Tear, S. Kennedy, J. Holm, D. Puluso, L. Lathrop
Date:23 Sep 2003
Accession No:239326
Image:239326.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis - Determined By: B. F. Hansen, 1981
Cenchrus gracillimus Nash
Locality:USA. Florida. Pinellas Co.: World Parkway Boulevard, NE Clearwater. 27º 59’ 5” N -82º -52’ -10” W
Habitat:Fencerow, sandy.
Reproductive State:Fertile
Collector:P. Genelle 2300
  with G. Fleming
Date:12 Sep 1976
Accession No:124970
Image:124970.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav.
Locality:USA. Florida. Charlotte Co.: Prairie/Shell Creek (Southwest Florida Water Management District property); 400 m S of Sam Way, 740 m W of US 17. 26º 59’ N 81º 58’ W
Habitat:Ruderal, between pond and wet flatwoods.
Reproductive State:Fertile
Collector:A. R. Franck 2027
Date:06 May 2010
Accession No:254310
Image:254310.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis - Determined By: B. F. Hansen, 1981
Cenchrus gracillimus Nash
Locality:USA. Florida. Palm Beach Co.: Environs of Dreher Park, West Palm Beach. 28º 0’ 19” N -82º -27’ -2” W
Description:7 dm tall. 
Habitat:Disturbed ground; sand, full sun.
Reproductive State:Fertile
Collector:P. M. Cassen 201
Date:31 Aug 1967
Accession No:81262
Image:81262.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis - Determined By: B. F. Hansen, 1981
Cenchrus gracillimus Nash
Locality:USA. Florida. Hillsborough Co.: University of South Florida Ecological Research Area. 28º 0’ 0” N -82º 0’ 0” W
Habitat:Oak - pine woodland.
Reproductive State:Fertile
Collector:R. Rose 2
Date:29 Sep 1977
Accession No:129104
Image:129104.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: B. F. Hansen, 1981
Cenchrus echinatus L.
Locality:USA. Florida. Charlotte Co.: Port Charlotte Beach State Recreation Area. Manasota Key, middle portion of property, near beach dune T41S, R20E, Sec. 18, SW¼ of NW¼ of SE¼ of SW¼. 26º 55’ 0” N -81º -55’ 0” W
Description:Decumbent grass to 50 cm high. Uncommon
Habitat:Ruderal area in maritime hammock.
Reproductive State:Fertile
Collector:S. Cole PB0062
Date:07 Mar 1995
Accession No:217876
Image:217876.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Pinellas Co.: Thorne residence, Gulfport. 27º 44’ 54” N -82º -42’ -12” W
Habitat:Lawn weed.
Reproductive State:Fertile
Collector:R. F. Thorne 33942
Date:14 Sep 1963
Accession No:57986
Image:57986.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis
Locality:USA. Florida. Lee Co.: Western Sanibel [Island]. 26º 26’ 56” N -82º -1’ -20” W
Description:Plants colonial, decumbent to ascending. 
Habitat:Disturbed ground.
Reproductive State:Fertile
Collector:W. C. Brumbach 8832
Date:13 Oct 1975
Accession No:130940
Image:130940.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis
Cenchrus gracillimus Nash
Locality:USA. Florida. Collier Co.: Little Hickory Pass, NW of Naples. 26º 8’ 31” N -81º -47’ -41” W
Description:Flat colonies [?]. 
Habitat:Margin of Ceratiola - Pinus - Quercus scrub and glade.
Reproductive State:Fertile
Collector:O. K. Lakela 28681
Date:29 May 1965
Accession No:64944
Image:64944.jpg
Family Name:Poaceae
Currently Accepted Name:Cenchrus spinifex Cav. - Determined By: B. F. Hansen, Nov 2000
Determination History: Cenchrus incertus M. A. Curtis - Determined By: M. T. Stieber, 1985
Cenchrus incertus M. A. Curtis - Determined By: B. F. Hansen, 1981
Cenchrus gracillimus Nash
Locality:USA. Florida. Pasco Co.: 3 mi. E of US 41 on N side of FL 52 in Pasco Trails Ranch Development. 28º 16’ 59” N -82º -25’ 0” W
Habitat:Disturbed area.
Reproductive State:Fertile
Collector:W. Carey 8
Date:29 Sep 1977
Accession No:128748
Image:128748.jpg

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