Herbarium Specimen Details

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: Wunderlin, 1974
Determination History
Uniola sessiliflora Poir. - Determined By: Lakela, 09 Sep 1963
Chasmanthium laxum (L.) H. O. Yates sessiliflorum Poir. Wipff & S.D. Jones - Determined By: B. F. Hansen, 1998
Locality USA. Florida , Flagler Co. : Between Bunnell and Flagler Beach. 29° 27' 58" N 81° 15' 28" W
Habitat Cabbage palm [Sabal palmetto] hammock.
Reproductive State Fertile
Specimen Notes
Collector R. K. Godfrey 61170
with W. Reinert
Collection Date 26 Jul 1961
Accession Number 54606
Image 54606.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates
Determination History
Chasmanthium laxum (L.) H. O. Yates sessiliflorum Poir. Wipff & S.D. Jones - Determined By: B. F. Hansen, 1998
Locality USA. Florida , Orange Co. : Ca. 1.5 mi. NNE of the confluence of Rock Springs Run and Wekiva River, near old road embankment. T20S, R29E, Sec. 19. 28° 46' 60" N 81° 25' 0" W
Habitat Sabal - slash pine [Pinus elliottii] - sweetgum [Liquidambar styraciflua] forest.
Reproductive State Fertile
Specimen Notes
Collector S. DuBois
Collection Date 18 Jun 1980
Accession Number 154728
Image 154728.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: L. C. Noel, 14-Jan-2018
Determination History
Chasmanthium laxum (L.) H. O. Yates sessiliflorum G. Poirault Wipff & S.D. Jones - Determined By: B. F. Hansen, 1999
Locality USA. Florida , Volusia Co. : Tomoka State Park.
Habitat Shell midden.
Reproductive State Fertile
Specimen Notes
Collector R. Stalter 23
Collection Date 21 Oct 1999
Accession Number 225209
Image 225209.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: Wunderlin, 1974
Determination History
Uniola sessiliflora Poir. - Determined By: H. O. Yates,
Chasmanthium laxum (L.) H. O. Yates sessiliflorum Poir. Wipff & S.D. Jones - Determined By: B. F. Hansen, 1994
Locality USA. Florida , Jackson Co. : Vicinity of Marianna. 30° 46' 28" N 85° 13' 37" W
Habitat Clearing of wooded slope.
Reproductive State Fertile
Specimen Notes
Collector R. K. Godfrey 61430
Collection Date 03 Sep 1961
Accession Number 54602
Image 54602.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (G. Poirault) H. O. Yates - Determined By: Wunderlin, 1974
Determination History
Uniola sessiliflora G. Poirault
Chasmanthium laxum (L.) H. O. Yates sessiliflorum G. Poirault Wipff & S.D. Jones - Determined By: B. F. Hansen, 1998
Locality USA. Florida , Hernando Co. : 28° 33' 22" N 82° 28' 7" W
Habitat Upland hammock with overstory of Quercus, Ulmus, and Liriodendron; Soil moist, sandy, with sp. of Panicum [Dichanthelium?].
Reproductive State Fertile
Specimen Notes
Collector O. K. Lakela 24510
Collection Date 30 Jul 1961
Accession Number 38627
Image 38627.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (G. Poirault) H. O. Yates - Determined By: Wunderlin, 1974
Determination History
Uniola sessiliflora Poir.
Chasmanthium laxum (L.) H. O. Yates sessiliflorum G. Poirault Wipff & S.D. Jones - Determined By: B. F. Hansen, 1998
Locality USA. Florida , Citrus Co. : Ca. 3 mi. SW of Homosassa, off Mason Creek. 28° 46' 53" N 82° 36' 54" W
Habitat Peaty depressions in low moist hammock with small limestone sinks, bordered by salt marsh; with cabbage palmetto [Sabal palmetto], Acer rubrum, Juniperus virginiana, Zamia, Salvia coccinea, Chiococca alba, Acrostichum aureum [A. danaeifolium], and Psychotria nervosa.
Reproductive State Fertile
Specimen Notes
Collector J. D. Ray, Jr. 11026
with O. Lakela
Collection Date 11 Aug 1961
Accession Number 42636
Image 42636.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates
Determination History
Chasmanthium laxum (L.) H. O. Yates sessiliflorum Poir. Wipff & S.D. Jones - Determined By: B. F. Hansen, 1998
Locality USA. Florida , Alachua Co. : Bidens Nature Park, of US 301 and Main Street.
Habitat Moist hardwood swamp.
Reproductive State Fertile
Specimen Notes
Collector B. P. Humphreys
Collection Date 28 Sep 1986
Accession Number 190623
Image 190623.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: Crewz, May 1978
Determination History
Panicum rigidulum Nees
Chasmanthium laxum (L.) H. O. Yates sessiliflorum Poir. Wipff & S.D. Jones - Determined By: B. F. Hansen, 1998
Locality USA. Florida , Marion Co. : E side of Oklawaha River, ca. 8 mi. N of the junction of FL 316 and Forest Service Road 77. T12S, R24E, Sec. 4. 29° 1' 60" N 81° 55' 0" W
Description Only one plant found, 9 dm tall.
Habitat Laurel oak [Quercus laurifolia] hammock on steep, W-facing slope, with much Carya glabra.
Reproductive State Fertile
Specimen Notes
Collector S. T. Cooper 659
with D.L. Martin
Collection Date 18 Jun 1975
Accession Number 121081
Image 121081.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates
Determination History
Chasmanthium laxum (L.) H. O. Yates sessiliflorum G. Poirault Wipff & S.D. Jones - Determined By: B. F. Hansen, 1998
Locality USA. Florida , Lake Co. : Flat Island, SW of Leesburg. 28° 48' 39" N 81° 52' 40" W
Reproductive State Fertile
Specimen Notes
Collector R. F. Daubenmire
with J. Daubenmire
Collection Date 15 Nov 1992
Accession Number 211507
Image 211507.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates
Determination History
Chasmanthium laxum (L.) H. O. Yates sessiliflorum Poir. Wipff & S.D. Jones - Determined By: B. F. Hansen, 1998
Locality USA. Florida , Lake Co. : Flat Island, SW of Leesburg. 28° 48' 39" N 81° 52' 40" W
Reproductive State Fertile
Specimen Notes
Collector R. F. Daubenmire
with J. Daubenmire
Collection Date 09 Aug 1992
Accession Number 211472
Image 211472.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates
Determination History
Chasmanthium laxum (L.) H. O. Yates sessiliflorum Poir. Wipff & S.D. Jones - Determined By: B. F. Hansen, 1998
Locality USA. Florida , Okaloosa Co. : Along FL 20, ca. 3 mi. E of Nicevelle, just E of the entrance to Rocky Bayou State Park.
Habitat Shaded sandy slough disturbed by culvert under highway.
Reproductive State Fertile
Specimen Notes
Collector G. Wilhelm 9390
Collection Date 29 Jun 1981
Accession Number 167915
Image 167915.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: L. C. Noel, 14 Jan 2018
Determination History
Chasmanthium laxum (L.) H. O. Yates sessiliflorum Poir. Wipff & S.D. Jones
Locality USA. Florida , Volusia Co. : Trail along GOmez Grant line, E of FL 3. 27° 5' 5" N 80° 8' 36" W
Habitat Open, wet.
Reproductive State Fertile
Specimen Notes
Collector P. A. Schmalzer
with T.E. Foster
Collection Date 16 Jun 2003
Accession Number 242579
Image 242579.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: L. C. Noel, 14-Jan-2018
Determination History
Chasmanthium laxum (L.) H. O. Yates sessiliflorum Poir. Wipff & S.D. Jones - 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; NW of mound. 27° 31' 54" N 82° 38' 42" W
Habitat Under oaks.
Reproductive State Fertile
Elevation 0 to 2 m
Specimen Notes
Collector J. Beckner 2804
with K. Relish
Collection Date 07 Jun 1998
Accession Number 250067
Image 250067.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates
Determination History
Chasmanthium laxum (L.) H. O. Yates sessiliflorum Poir. Wipff & S.D. Jones - Determined By: B. F. Hansen, May 2005
Locality USA. Florida , Jackson Co. : Three River Recreation Area, Lake Seminole. 27° 50' 23" N 82° 47' 28" W
Habitat Edge of lake; with Acer barbatum [A. saccharum subsp. floridanum], Tillandsia usneoides, Liatris, Bernichia [??], Solidago, Polygonum lapathifolium.
Reproductive State Fertile
Specimen Notes
Collector K. Francl 352
with L. Kruse, M. Morgan, E. Totin, M. Waters
Collection Date 08 Oct 2001
Accession Number 240474
Image 240474.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates
Determination History
Chasmanthium laxum (L.) H. O. Yates sessiliflorum Poir. Wipff & S.D. Jones - Determined By: B. F. Hansen, 1998
Locality USA. Florida , Jackson Co. : 1.5 mi. W of Oakdale at the Chipola River. T4N, R10W, Sec. 26, NE¼ of SE¼. 30° 41' 60" N 85° 10' 60" W
Habitat Disturbed, weedy riverbank at old railroad crossing.
Reproductive State Fertile
Specimen Notes
Collector B. F. Hansen 5930
with D.R. Richardson
Collection Date 05 Jul 1979
Accession Number 142749
Image 142749.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: L. C. Noel, 14-Jan-2018
Determination History
Chasmanthium nitidum (Baldwin) H. O. Yates
Chasmanthium laxum (L.) H. O. Yates sessiliflorum Poir. Wipff & S.D. Jones - Determined By: B. F. Hansen, Aug 2007
Locality USA. Florida , Calhoun Co. : Macedonia; Ocheessee Landing, Apalachicola River. 30° 34' 54" N 84° 57' 58" W
Description Erect herb to 75 cm; leaf edges with minute teeth, sheath hirsute; panicles shiny in sunlight.
Habitat Bluff above river; westward track through floodplain.
Reproductive State Fertile
Specimen Notes
Collector T. MacClendon 664
with K. MacClendon, B. Boothe, M. Boothe
Collection Date 27 Jul 2007
Accession Number 244231
Image 244231.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates
Determination History
Chasmanthium laxum (L.) H. O. Yates sessiliflorum Poir. Wipff & S.D. Jones - Determined By: B. F. Hansen, 1998
Locality USA. Florida , Sumter Co. : Withlacoochee State Forest. Along the Florida Trail from Hog Island to Iron Bridge, Croom Wildlife Management Area. T22S, R21E, Sec. 5. 28° 34' 60" N 82° 13' 0" W
Habitat Moist hammock.
Reproductive State Fertile
Specimen Notes
Collector C. vanHoek 378
with S. Petty
Collection Date 27 Aug 1993
Accession Number 208233
Image 208233.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: L. C. Noel, 14-Jan-2018
Determination History
Chasmanthium laxum (L.) H. O. Yates sessiliflorum Poir. Wipff & S.D. Jones
Locality USA. Florida , Flagler Co. : Bulow Creek State Park. Ca. 25 m S of the N terminus of the Bulow Hiking Trail. 29° 26' 1" N 81° 8' 24" W
Description Cespitose grass.
Habitat Mesic hammock.
Reproductive State Fertile
Specimen Notes
Collector J. M. Kunzer 582
Collection Date 16 Jul 2004
Accession Number 253785
Image 253785.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates
Determination History
Chasmanthium laxum (L.) H. O. Yates sessiliflorum Poir. Wipff & S.D. Jones - Determined By: B. F. Hansen, 1998
Locality USA. Florida , Pinellas Co. : FL 580 N of sewage treatment plant, Safety Harbor, Clearwater; Magnolia Creek gorge. 27° 57' 54" N 82° 54' 40" W
Reproductive State Fertile
Specimen Notes
Collector G. Fleming 3941
Collection Date 12 Dec 1987
Accession Number 194181
Image 194181.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: L. C. Noel, 14-Jan-2018
Determination History
Chasmanthium laxum (L.) H. O. Yates sessiliflorum Poir. Wipff & S.D. Jones
Locality USA. Florida , Hillsborough Co. : IMC reclamation property; Lake Branch Crossing.
Reproductive State Fertile
Specimen Notes
Collector B. F. Hansen 13000
Collection Date 05 Dec 2003
Accession Number 240324
Image 240324.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: L. C. Noel, 14-Jan-2018
Determination History
Chasmanthium laxum (L.) H. O. Yates sessiliflorum Poir. Wipff & S.D. Jones
Locality USA. Florida , Pasco Co. : Werner-Boyce Salt Springs State Park. E side of Old Post Road. T25S, R16E, Sec. 29, NW¼ of NE¼.
Habitat Understory of moist woods bordering road; maritime hammock.
Reproductive State Fertile
Specimen Notes
Collector C. vanHoek
with S. Petty
Collection Date 05 Sep 2002
Accession Number 235846
Image 235846.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: Wunderlin, 1974
Determination History
Uniola sessiliflora Poir. - Determined By: R. K. Godfrey,
Chasmanthium laxum (L.) H. O. Yates sessiliflorum Poir. Wipff & S.D. Jones - Determined By: B. F. Hansen, 1998
Locality USA. Florida , Taylor Co. : Along the Aucilla River at Nuttal's Rise. 30° 28' 0" N 83° 45' 0" W
Habitat Hammock.
Reproductive State Fertile
Specimen Notes
Collector R. K. Godfrey 55773
Collection Date 30 Jul 1957
Accession Number 35667
Image 35667.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: Wunderlin, 1974
Determination History
Uniola sessiliflora Poir.
Chasmanthium laxum (L.) H. O. Yates sessiliflorum Poir. Wipff & S.D. Jones - Determined By: B. F. Hansen, 1998
Locality USA. Florida , Citrus Co. : Withlacoochee River, E of Pineola. 28° 40' 60" N 82° 16' 0" W
Description Few.
Habitat Margins of grotto walls in limestone formations; remnants of ancient fern grottoes and associations of notably large trees.
Reproductive State Fertile
Specimen Notes
Collector O. K. Lakela 26042
with R. Lassiter, J.A. Lassiter
Collection Date 03 Jun 1963
Accession Number 55391
Image 55391.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: K. D. Perkins,
Determination History
Chasmanthium laxum (L.) H. O. Yates sessiliflorum Poir. Wipff & S.D. Jones - Determined By: B. F. Hansen, 1998
Locality USA. Florida , Alachua Co. : W side of tributary to Hogtown Creek, N of NW 46th Avenue, ca. 0.4 mi. W of NW 13th Street (US 441), Gainesveille. T9S, R20E, Sec. 19, near center.
Habitat Sandy banks of creek in mesic Quercus nigra - Liquidambar styraciflua - Carya glabra woods.
Reproductive State Fertile
Specimen Notes
Collector K. D. Perkins 889
with A. Petty, D. Skean
Collection Date 05 Nov 1982
Accession Number 169932
Image 169932.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: L. C. Noel, 14-Jan-2018
Determination History
Chasmanthium laxum (L.) H. O. Yates sessiliflorum Poir. Wipff & S.D. Jones - Determined By: R. A. Hattaway,
Locality USA. Florida , Citrus Co. : Fort Cooper State Park. Near hiking trail E of main park drive. T19S, R20E, Sec. 27, NW¼ of NW¼.
Habitat Supposedly dug depression in quest for phosphate; xeric hammock.
Reproductive State Flower
Specimen Notes
Collector R. A. Hattaway
Collection Date 17 Nov 2000
Accession Number 235044
Image 235044.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: L. C. Noel, 14-Jan-2018
Determination History
Chasmanthium nitidum (J. T. Baldwin) H. O. Yates
Chasmanthium laxum (L.) H. O. Yates sessiliflorum Poir. Wipff & S.D. Jones - Determined By: B. F. Hansen, 1998
Locality USA. Florida , Hernando Co. : McCarty Woods, ca. 5 mi. N of Brooksville. T22S, R19E, Sec. 3. 28° 33' 19" N 82° 23' 16" W
Habitat Southern mixed hardwood forest.
Reproductive State Flower
Elevation 140 to 160 ft
Specimen Notes
Collector D. M. Krofta
Collection Date 02 Oct 1986
Accession Number 220987
Image 220987.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: H. O. Yates, Sep 1963
Determination History
Uniola sessiliflora Poir. - Determined By: Kral,
Chasmanthium laxum (L.) H. O. Yates sessiliflorum Poir. Wipff & S.D. Jones - Determined By: B. F. Hansen, 1998
Locality USA. Florida , Pasco Co. : Aripeka. 28° 25' 0" N 82° 39' 0" W
Habitat On moist sandy loam of unlogged portion of hammock.
Reproductive State Fertile
Specimen Notes
Collector R. Kral 7300
Collection Date 14 Jul 1958
Accession Number 720
Image 720.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates
Determination History
Chasmanthium laxum (L.) H. O. Yates sessiliflorum Poir. Wipff & S.D. Jones - Determined By: B. F. Hansen, 1998
Locality USA. Florida , Jackson Co. : Three Rivers State Park. N of Sneads. 30° 42' 28" N 84° 55' 28" W
Habitat Along small stream in rich woodlands.
Reproductive State Fertile
Specimen Notes
Collector D. S. Correll 52121
with H.B. Correll, R.K. Godfrey, A. Gholson
Collection Date 27 Jun 1981
Accession Number 159817
Image 159817.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: H. O. Yates, Sep 1963
Determination History
Uniola sessiliflora Poir. - Determined By: R. K. Godfrey,
Chasmanthium laxum (L.) H. O. Yates sessiliflorum Poir. Wipff & S.D. Jones - Determined By: B. F. Hansen, 1998
Locality USA. Florida , Dixie Co. : Suwannee. 29° 19' 44" N 83° 8' 39" W
Habitat Hammock.
Reproductive State Fertile
Specimen Notes
Collector R. K. Godfrey 56045
Collection Date 05 Sep 1957
Accession Number 721
Image 721.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (G. Poirault) H. O. Yates - Determined By: H. O. Yates, Sep 1963
Determination History
Uniola sessiliflora Poir. - Determined By: Kral,
Chasmanthium laxum (L.) H. O. Yates sessiliflorum Poir. Wipff & S.D. Jones - Determined By: B. F. Hansen, 1998
Locality USA. Florida , Brevard Co. : NW shore of South Lake.
Habitat Moist sandy loam of cabbage palm [Sabal palmetto] - live oak [Quercus virginiana] hammock.
Reproductive State Fertile
Specimen Notes
Collector R. Kral 5508
Collection Date 21 Aug 1957
Accession Number 722
Image 722.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: Wunderlin, 1974
Determination History
Uniola sessiliflora Poir.
Chasmanthium laxum (L.) H. O. Yates sessiliflorum Poir. Wipff & S.D. Jones - Determined By: B. F. Hansen, 1998
Locality USA. Florida , Citrus Co. : Off FL 48, E of Floral City.
Description Few plants.
Habitat Grove of Quercus along margins of cypress [Taxodium] area; grassy areas amidst cypress knees, shores of lake and ponds.
Reproductive State Fertile
Specimen Notes
Collector O. K. Lakela 25269
Collection Date 26 Aug 1962
Accession Number 52060
Image 52060.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: Wunderlin, 1974
Determination History
Uniola sessiliflora Poir.
Chasmanthium laxum (L.) H. O. Yates sessiliflorum Poir. Wipff & S.D. Jones - Determined By: B. F. Hansen, 1998
Locality USA. Florida , Citrus Co. : Pineola, E of Floral City. 28° 40' 60" N 82° 16' 0" W
Description Few noted.
Habitat Margins of caverns in fern grottoes, with Thelypteris normalis [T. kunthii].
Reproductive State Flower
Specimen Notes
Collector O. K. Lakela 26444
Collection Date 21 Sep 1963
Accession Number 55838
Image 55838.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: L. C. Noel, 14-Jan-2018
Determination History
Chasmanthium nitidum (Baldwin) H. O. Yates - Determined By: W. K. Taylor,
Chasmanthium laxum (L.) H. O. Yates sessiliflorum Poir. Wipff & S.D. Jones - Determined By: B. F. Hansen, Apr 2000
Locality USA. Florida , Liberty Co. : Torreya State Park.
Habitat Slope forest.
Reproductive State
Specimen Notes
Collector W. K. Taylor
Collection Date 12 Aug 1999
Accession Number 225523
Image 225523.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates
Determination History
Chasmanthium laxum (L.) H. O. Yates sessiliflorum Poir. Wipff & S.D. Jones - Determined By: B. F. Hansen, 1998
Locality USA. Florida , Pinellas Co. : Near substation, Booth McMullen Road, Safety Harbor.
Reproductive State Fertile
Specimen Notes
Collector G. Fleming 3747
Collection Date 19 Jun 1986
Accession Number 189633
Image 189633.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: Wunderlin, 1974
Determination History
Uniola sessiliflora Poir.
Chasmanthium laxum (L.) H. O. Yates sessiliflorum Poir. Wipff & S.D. Jones - Determined By: B. F. Hansen, 1998
Locality USA. Florida , Alachua Co. : Gainesville. 29° 39' 6" N 82° 19' 29" W
Habitat Edge of sink hole, in dense shade.
Reproductive State Fertile
Specimen Notes
Collector J. R. Swallen 1535
Collection Date 12 Aug 1938
Accession Number 39991
Image 39991.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: L. C. Noel, 14-Jan-2018
Determination History
Chasmanthium laxum (L.) H. O. Yates sessiliflorum Poir. Wipff & S.D. Jones
Locality USA. Florida , Columbia Co. : Lake City.
Reproductive State Fertile
Specimen Notes
Collector M. Bomia
Collection Date 31 Jul 2000
Accession Number 227688
Image 227688.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: L. C. Noel, 14-Jan-2018
Determination History
Chasmanthium nitidum (Baldwin) H. O. Yates
Chasmanthium laxum (L.) H. O. Yates sessiliflorum Poir. Wipff & S.D. Jones - Determined By: B. F. Hansen, Jun 2010
Locality USA. Florida , Lake Co. : Alexander Springs.
Reproductive State Fertile
Specimen Notes
Collector R. F. Daubenmire
with J. Daubenmire
Collection Date 27 Sep 1981
Accession Number 169573
Image 169573.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates
Determination History
Chasmanthium laxum (L.) H. O. Yates sessiliflorum Poir. Wipff & S.D. Jones - Determined By: B. F. Hansen, Aug 2012
Locality USA. Florida , Levy Co. : Manatee Springs State Park. Along Shacklefoot Trail. 29° 29' 51" N 82° 58' 54" W
Habitat Xeric hammock.
Reproductive State Fertile
Specimen Notes
Collector K. Gulledge 349
with J.K. Gulledge
Collection Date 27 Jun 1997
Accession Number 263651
Image 263651.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: L. C. Noel, 14-Jan-2018
Determination History
Chasmanthium laxum (L.) H. O. Yates sessiliflorum Poir. Wipff & S.D. Jones
Locality USA. Florida , Orange Co. : Rock Springs Run State Reserve; Twin Mounds site by Wekiva River, ca. 2.3 mi. SE of the S terminus of C-433. 28° 46' 60" N 81° 25' 0" W
Habitat Adjacent to indian midden in hydric floodplain hammock.
Reproductive State Fertile
Specimen Notes
Collector R. Chicone 1113
with L.M. Chicone
Collection Date 12 Oct 2013
Accession Number 272914
Image 272914.jpg
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Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: C. Allen, 1989
Determination History
Chasmanthium sessiliflorum (Poir.) H. O. Yates
Locality USA. Louisiana , Tangipahoa Par. : 6 mi E of Amite.
Habitat Mixed hardwoods and pine.
Reproductive State
Specimen Notes
Collector J. MacGregor 735
Collection Date 05 Aug 1988
Accession Number 247082
Image 247082.jpg
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Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: P. Genelle & G. Fleming, 1979
Determination History
Uniola sessiliflora Poir.
Locality USA. Georgia , Chatham Co. : Union Mission.
Habitat Under trees near lake.
Reproductive State
Specimen Notes
Collector G. R. Swank 1078
Collection Date 13 Aug 1960
Accession Number 138128
Image 138128.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: P. Genelle & G. Fleming, 1979
Determination History
Uniola sessiliflora Poir.
Locality USA. South Carolina 17A W of road.
Reproductive State
Specimen Notes
Collector G. R. Swank 548
Collection Date 12 Jul 1959
Accession Number 136127
Image 136127.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates
Determination History
Uniola laxa (L.) Britton, Sterns & Poggenb.
Locality USA. Georgia , Chatham Co. : Union Mission.
Habitat Under trees by lake.
Reproductive State
Specimen Notes
Collector G. R. Swank 1077
Collection Date 13 Aug 1960
Accession Number 136131
Image 136131.jpg
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Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates
Locality USA. Louisiana , Jackson Par. : Open pipeline cutover near Cartwright. 32° 28' 0" N 92° 28' 0" W
Habitat Sandy loam.
Reproductive State
Specimen Notes
Collector S. Colvin 53
Collection Date 25 Sep 1973
Accession Number 122026
Image 122026.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates
Locality USA. Louisiana , Washington Par. : LSU's J. G. Lee Memorial Forest, N and E of summer camp facilities, E of Sheridan. T2S, R12E, Sec. 16.
Habitat Along dirt roads and in bay gall.
Reproductive State
Specimen Notes
Collector D. D. Taylor 5832
with B. E. Dutton
Collection Date 18 Sep 1983
Accession Number 218657
Image 218657.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: Wunderlin, 1975
Determination History
Uniola sessiliflora Poir.
Locality USA. South Carolina , Charleston Co. : Isle of Palms.
Reproductive State
Specimen Notes
Collector A. S. Hitchcock 1152
Collection Date 22 Aug 1905
Accession Number 120964
Image 120964.jpg
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Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates
Locality USA. Alabama , Baldwin Co. : Along a tributary of the Tenswa River S of I-65.
Habitat Mesic forested bluff.
Reproductive State
Specimen Notes
Collector A. F. Clewell 6220
with B. Finch
Collection Date 05 Aug 2000
Accession Number 260930
Image 260930.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates
Locality USA. Georgia , Glynn Co. : Jekyll Island, 9 mi. SE of Brunswick, N end of island, 2 mi. S of Clam Creek Road, on Riverview Drive; Se of Horton House.
Habitat Oak woods.
Reproductive State
Specimen Notes
Collector R. P. Sauleda 4077
with D. K. Sauleda
Collection Date 02 Sep 1980
Accession Number 176910
Image 176910.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: Wunderlin, 1974
Determination History
Uniola sessiliflora Poir.
Locality USA. Georgia , DeKalb Co. : Stone Mountain.
Habitat Rocky woods, base of mountain.
Reproductive State
Specimen Notes
Collector A. S. Hitchcock 1151
Collection Date 25 Aug 1905
Accession Number 40114
Image 40114.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates
Locality USA. Georgia , Jasper Co. : 2 mi. N of Monticello, near Shoal Creek rest area on GA 83.
Habitat Open woods.
Reproductive State
Specimen Notes
Collector J. R. Manhart 103
with J. G. Stutts.
Collection Date 30 Aug 1980
Accession Number 197601
Image 197601.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: Wunderlin, 1974
Determination History
Uniola sessiliflora Poir.
Locality USA. North Carolina , Dare Co. : Kitty Hawk.
Habitat Mixed hardwoods.
Reproductive State
Specimen Notes
Collector N. Pence 45097
with A. E. Radford
Collection Date 04 Aug 1966
Accession Number 78354
Image 78354.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: Wunderlin, 1974
Determination History
Uniola sessiliflora Poir.
Locality USA. Georgia , McIntosh Co. : Sapelo Island along the Duplin River.
Habitat Under live oak and Ilex vomitoria.
Reproductive State
Specimen Notes
Collector W. H. Duncan 20523
Collection Date 16 Sep 1956
Accession Number 62277
Image 62277.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: Wunderlin, 1974
Determination History
Uniola sessiliflora Poir.
Locality USA. Louisiana , Rapides Par. : Vicinity Northshore Campground, Valentine Lake, Kisatchie National Forest (Evangeline Division), about 3 mi. S of Gardner.
Description In clumps, common.
Habitat Pine woods.
Reproductive State
Specimen Notes
Collector J. W. Thieret 17942
Collection Date 04 Jul 1964
Accession Number 62135
Image 62135.jpg
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Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates
Locality USA. Georgia , Madison Co. : Blackwell swamp off of Jolly B Road, Tupelo Canoe Landing, 1.6 mi. from Jolly B Road.
Habitat Alluvial floodplain forest, associates: Bidens laevis, Nuphar luteum, Ludwigia leptocarpa, Carex joorii.
Reproductive State
Specimen Notes
Collector K. Francl 235
with L. Kruse, M. Morgan, E. Totin, M. Waters.
Collection Date 29 Sep 2001
Accession Number 281427
Image 281427.jpg
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Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates
Locality USA. Mississippi , Simpson Co. : Along US 49, 1 mi. S of junction with MS 28; Magee city limits.
Reproductive State
Specimen Notes
Collector R. P. Sauleda 6684
with D. K. Sauleda
Collection Date 13 Sep 1981
Accession Number 162109
Image 162109.jpg
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Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates
Locality USA. Alabama , Baldwin Co. : Just E of Gulf Shores, at Gulf State Park.
Habitat Wet woods.
Reproductive State
Specimen Notes
Collector G. Wilhelm 9592
Collection Date 05 Jul 1981
Accession Number 177029
Image 177029.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: Wunderlin, 1974
Determination History
Uniola sessiliflora Poir.
Locality USA. South Carolina , York Co. : 0.4 mi. E of junction of SC 211 and Broad River on dirt road (SW of Hickory Groves).
Habitat Wooded slope.
Reproductive State
Specimen Notes
Collector H. E. Ahles 31125
with J. G. Haesloop
Collection Date 12 Jul 1957
Accession Number 45920
Image 45920.jpg
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Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates
Locality USA. Louisiana , Union Par. : Along unnamed creek and abandoned railroad bed. T22N, R1E, Sec. 32, NE¼.
Habitat Hardwood.
Reproductive State
Specimen Notes
Collector D. D. Taylor 4308
with D. C. Moore
Collection Date 23 Jul 1983
Accession Number 217473
Image 217473.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: Wunderlin, 1974
Determination History
Uniola sessiliflora Poir.
Locality USA. Mississippi , Choctaw Co. : Ruff's place, 7 mi. NE of Chester.
Habitat Mature pine-young hardwoods forest.
Reproductive State
Specimen Notes
Collector J. D. Ray, Jr. 4798
Collection Date 06 Jul 1955
Accession Number 43802
Image 43802.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: Wunderlin, 1974
Determination History
Uniola sessiliflora Poir.
Locality USA. South Carolina , Charleston Co. : Isle of Palms.
Reproductive State
Specimen Notes
Collector A. S. Hitchcock 1152
Collection Date 22 Aug 1905
Accession Number 40113
Image 40113.jpg
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Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates
Locality USA. Georgia , Walker Co. : Pigeon Mountain Wildlife Management Area, NE of Harrisburg Gulf, beside a sag pond which has been modified by a dam.
Description Perennial grass, abundant.
Habitat Edge of water.
Reproductive State
Specimen Notes
Collector N. C. Coile 2284
with G. Smith, N. MacLeish, M. Garland, D. Coile.
Collection Date 18 Aug 1981
Accession Number 197608
Image 197608.jpg
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Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: H. O. Yates, 1963
Determination History
Uniola sessiliflora Poir.
Locality USA. Louisiana , Union Par. : 4 mi. S of Farmerville. T20N, R1W, Sec. 14.
Habitat Open pine and hardwood forest.
Reproductive State
Specimen Notes
Collector J. A. Moore 6311
with J. Moore
Collection Date 17 Aug 1955
Accession Number 10180
Image 10180.jpg
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Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: H. O. Yates, 1963
Determination History
Uniola sessiliflora Poir. - Determined By: Swallen, 1958
Locality USA. Mississippi , Oktibbeha Co. : Ca. 6 mi. N of Starkville, Trim Cane Creek.
Habitat N facing wooded slope, calcareous soil, floodplain, secondary deciduous cover.
Reproductive State
Specimen Notes
Collector J. D. Ray, Jr. 6711
Collection Date 09 Jul 1956
Accession Number 15470
Image 15470.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: H. O. Yates, 1963
Determination History
Uniola sessiliflora Poir.
Locality USA. Georgia , McIntosh Co. : Sapelo Island along the Duplin River.
Habitat Under live oak and Ilex vomitoria.
Reproductive State
Specimen Notes
Collector W. H. Duncan 20523
Collection Date 16 Sep 1956
Accession Number 8269
Image 8269.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: L. C. Noel, 14-Jan-2018
Determination History
Chasmanthium laxum (L.) H. O. Yates sessiliflorum Poir. Wipff & S.D. Jones
Locality USA. Florida , Hernando Co. : Hammock bordering the N property line, Chinsegut Hill Manor grounds, 5 mi. NE of Brooksville. T21S, R19E, Sec. 36, NE¼ of NW¼ of NW¼. 28° 37' 19" N 82° 21' 55" W
Description Frequent.
Habitat Moist hammock.
Reproductive State Fertile
Specimen Notes
Collector C. vanHoek 2904
with C. Werner
Collection Date 02 Jul 2015
Accession Number 282772
Image 282772.jpg
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Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: Wunderlin, 1974
Determination History
Uniola sessiliflora (Poir.) H. O. Yates
Locality USA. Oklahoma , McCurtain Co. : Little River; 2 mi. S of Broken Bow. 35° 19' 60" N 97° 30' 0" W
Habitat Wooded valley.
Reproductive State Fertile
Specimen Notes
Collector L. Ball
Collection Date 22 Sep 1962
Accession Number 52335
Image 52335.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: Wunderlin, 1974
Determination History
Uniola sessiliflora (Poir.) H. O. Yates
Locality USA. Virginia , Princess Anne Co. : Great Neck.
Habitat Rich dry woods.
Reproductive State Fertile
Specimen Notes
Collector M. L. Fernald
with L. Griscom, B. Long
Collection Date 17 Jun 1935
Accession Number 31362
Image 31362.jpg
Plant Atlas Link Plant Atlas Citation

Chasmanthium sessiliflorum
Family Name Poaceae
Currently Accepted Name Chasmanthium sessiliflorum (Poir.) H. O. Yates - Determined By: Wunderlin, 1974
Determination History
Uniola sessiliflora (Poir.) H. O. Yates
Locality USA. Virginia , Princess Anne Co. : Great Neck.
Habitat Rich dry woods.
Reproductive State Fertile
Specimen Notes
Collector M. L. Fernald
with B. Long
Collection Date 05 Sep 1935
Accession Number 31368
Image 31368.jpg
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