Herbarium Specimen Details

Reynoutria japonica
Family Name Polygonaceae
Currently Accepted Name Reynoutria japonica Houtt. - Determined By: B. F. Hansen, Mar 2016
Herbarium Name Used
Determination History
Polygonum cuspidatum Siebold & Zucc.
Locality USA. Florida, Alachua Co.: Near junction of NE 15th Street and 22nd Avenue, Gainesville. 29° 39' 5" N 82° 19' 30" W
Description To 2 m tall; flowers pinkish; persisting with no maintainence; uncommon.
Habitat Along edge of house.
Reproductive State Flower
Specimen Notes CULTIVATED.
Collector W. S. Judd s.n.
Collection Date July 1982
Accession Number 198518
Image View Image
Plant Atlas Link Plant Atlas Citation

Reynoutria japonica
Family Name Polygonaceae
Currently Accepted Name Reynoutria japonica Houtt. - Determined By: B. F. Hansen, Mar 2016
Herbarium Name Used
Determination History
Polygonum cuspidatum Siebold & Zucc.
Locality USA. California, Sonoma Co.: Western Hills Nursery, Occidental. 38° 23' 60" N 122° 55' 60" W
Description Perennial ca. 6 ft. tall; small reddish flowers; interminal panicles.
Reproductive State Flower
Specimen Notes CULTIVATED.
Collector E. McClintock s.n.
Collection Date 21 Oct 1974
Accession Number 121697
Image View Image
Plant Atlas Link Plant Atlas Citation

Reynoutria japonica
Family Name Polygonaceae
Currently Accepted Name Reynoutria japonica Houtt. - Determined By: B. F. Hansen, Mar 2016
Herbarium Name Used
Determination History
Polygonum cuspidatum Siebold & Zucc. - Determined By: S. R. Hill, Dec 2000
Locality USA. Illinois, Champaign Co.: Urbana 7.5' quadrangle; Carle Foundation Hosptial; NE corner; N side of Univeresity Avenue. 40° 7' 2" N 88° 12' 54" W
Description Trailing, shrubby perennial; flower and fruits with rose tint.
Habitat Parking garage; landscape planting; disturbed garden soil and humus; probably calcareous.
Reproductive State Flower
Elevation 730 ft
Specimen Notes CULTIVATED.
Collector S. R. Hill 33179
Collection Date 13 Sep 2000
Accession Number 239466
Image View Image
Plant Atlas Link Plant Atlas Citation

Reynoutria japonica
Family Name Polygonaceae
Currently Accepted Name Reynoutria japonica Houtt. - Determined By: K. A. Keefer, 21 Aug 2024
Herbarium Name Used
Determination History
Reynoutria japonica Houtt.
Locality USA. Florida, Santa Rosa Co.: Along E side of large drainage ditch E of Floridatown Park, ca. 65 ft. S of Parkview Street, Floridatown. 30° 34' 54" N 87° 9' 34" W
Description Abundant in dense colony, obviously escaped; ca. 2.5 ft. tall.
Habitat Rock riprap near bottom of embankment slope.
Reproductive State
Specimen Notes Leaf sample for secondary metabolites taken by Uta Grünert, Eberhard Karls Univsität Tübingen, 22 Aug 2024.
Collector J. R. Burkhalter 25288
Collection Date 18 Apr 2015
Accession Number 298929
Image View Image
Plant Atlas Link Plant Atlas Citation

Reynoutria japonica
Family Name Polygonaceae
Currently Accepted Name Reynoutria japonica Houtt. - Determined By: K. A. Keefer, 21 Aug 2024
Herbarium Name Used
Determination History
Reynoutria japonica Houtt. - Determined By: B. F. Hansen, Mar 2016
Polygonum cuspidatum Siebold & Zucc.
Locality USA. Pennsylvania, Philadelphia Co.: Along Ivy Hill Road between Cheltenham and Stenton Avenues, Mount Airy. 40° 2' 60" N 75° 4' 60" W
Description 8-10 ft. high.
Habitat Open ground.
Reproductive State Fertile
Specimen Notes
Collector B. Long 61178
Collection Date 28 Jun 1944
Accession Number 114216
Image View Image
Plant Atlas Link Plant Atlas Citation

Reynoutria japonica
Family Name Polygonaceae
Currently Accepted Name Reynoutria japonica Houtt. - Determined By: K. A. Keefer, 21 Aug 2024
Herbarium Name Used
Determination History
Reynoutria japonica Houtt. - Determined By: B. F. Hansen, Mar 2016
Polygonum cuspidatum Siebold & Zucc. - Determined By: S. R. Hill, Aug 1991
Locality USA. Connecticut, New London Co.: Behind VFW post W of Latimer Point; between US 1 and railroad tracks, Stonington. 41° 20' 1" N 71° 54' 41" W
Description Occasional shrubby perennial 6-7 ft. tall; petioles red; flowers white,
Habitat E edge of sandy/gravelly landfill.
Reproductive State Fertile
Specimen Notes
Collector S. R. Hill 22507
Collection Date 07 Aug 1991
Accession Number 203907
Image View Image
Plant Atlas Link Plant Atlas Citation

Reynoutria japonica
Family Name Polygonaceae
Currently Accepted Name Reynoutria japonica Houtt. - Determined By: B. F. Hansen, Mar 2016
Herbarium Name Used
Determination History
Fallopia japonica (Houtt.) Ronse Decr.
Locality USA. Ohio, Athens Co.: Near junction of Hockhocking Adena Bikeway and US 33; the Plains. 39° 21' 56" N 82° 6' 60" W
Habitat Forest edge.
Reproductive State Fertile
Specimen Notes
Collector A. R. Franck 3430
Collection Date 20 Jul 2014
Accession Number 276112
Image View Image
Plant Atlas Link Plant Atlas Citation

Reynoutria japonica
Family Name Polygonaceae
Currently Accepted Name Reynoutria japonica Houtt. - Determined By: K. A. Keefer, 21 Aug 2024
Herbarium Name Used
Determination History
Reynoutria japonica Houtt. - Determined By: B. F. Hansen, Mar 2016
Polygonum cuspidatum Siebold & Zucc. - Determined By: S. R. Hill, 2003
Locality USA. New York, Erie Co.: North Evans, along Eighteenmile Creek, W of road crossing and pull-off parking area. 42° 41' 58" N 78° 56' 31" W
Description Common shrubby perennial 1-2 m tall; inflorescence erect; flowers white.
Habitat Many on more open flats near creek; floodplain forest, shaded, with Acer negundo, Ulmus, Helianthus, Matteuccia struthiopteris, Cornus sericea, and Acer saccharinum; alluvial soil over limestone;.
Reproductive State Fertile
Elevation 185 m
Specimen Notes
Collector S. R. Hill 35457
Collection Date 11 Sep 2003
Accession Number 270973
Image View Image
Plant Atlas Link Plant Atlas Citation

Reynoutria japonica
Family Name Polygonaceae
Currently Accepted Name Reynoutria japonica Houtt. - Determined By: K. A. Keefer, 21 Aug 2024
Herbarium Name Used
Determination History
Reynoutria japonica Houtt. - Determined By: B. F. Hansen, Mar 2016
Polygonum cuspidatum Siebold & Zucc.
Locality USA. Kentucky, Rowan Co.: US 60, 11.6 mi. W of Rowan-Carter County line; near Morehead.
Habitat Roadside bank.
Reproductive State Fertile
Specimen Notes
Collector E. M. Browne 4399
with E.T. Browne Jr., J.C. Warden
Collection Date 01 Jul 1961
Accession Number 43993
Image View Image
Plant Atlas Link Plant Atlas Citation

Reynoutria japonica
Family Name Polygonaceae
Currently Accepted Name Reynoutria japonica Houtt. - Determined By: K. A. Keefer, 21 Aug 2024
Herbarium Name Used
Determination History
Reynoutria japonica Houtt. - Determined By: B. F. Hansen, Mar 2016
Polygonum cuspidatum Siebold & Zucc.
Locality USA. Virginia Along the Covington River, US 522-211.
Habitat Near the river's edge.
Reproductive State Flower Fertile
Specimen Notes Leaf sample for secondary metabolites taken by Uta Grünert, Eberhard Karls Univsität Tübingen, 22 Aug 2024.
Collector L. Abbott 208
Collection Date 27 Sep 1981
Accession Number 183472
Image View Image
Plant Atlas Link Plant Atlas Citation

Reynoutria japonica
Family Name Polygonaceae
Currently Accepted Name Reynoutria japonica Houtt. - Determined By: K. A. Keefer, 21 Aug 2024
Herbarium Name Used
Determination History
Reynoutria japonica Houtt. - Determined By: B. F. Hansen, Mar 2016
Polygonum cuspitaum Siebold & Zucc. - Determined By: S. R. Hill, 2005
Locality USA. Illinois, Kendall Co.: Along bridge approach, E side of Big Rock Creek crossing; SE quadrant of Hennig Road Crossing, Plano. 41° 41' 46" N 88° 30' 49" W
Description Locally common, thicket forming multistemmed perennial herb 2-2.5 m tall; inflorescence erect; flowers white.
Habitat Degraded upland forest above creek, with oaks, elms, sugar maples.
Reproductive State Flower
Elevation 192 m
Specimen Notes
Collector S. R. Hill 36676
Collection Date 01 Sep 2005
Accession Number 267566
Image View Image
Plant Atlas Link Plant Atlas Citation

Reynoutria japonica
Family Name Polygonaceae
Currently Accepted Name Reynoutria japonica Houtt. - Determined By: K. A. Keefer, 21 Aug 2024
Herbarium Name Used
Determination History
Reynoutria japonica Houtt. - Determined By: B. F. Hansen, Mar 2016
Polygonum cuspidatum Siebold & Zucc.
Locality USA. New Jersey, Cape May Co.: Cape May. 38° 56' 19" N 74° 56' 31" W
Reproductive State Flower
Specimen Notes
Collector L. Griscom 4987
Collection Date 20 Sep 1919
Accession Number 24976
Image View Image
Plant Atlas Link Plant Atlas Citation

Reynoutria japonica
Family Name Polygonaceae
Currently Accepted Name Reynoutria japonica Houtt. - Determined By: K. A. Keefer, 21 Aug 2024
Herbarium Name Used
Determination History
Reynoutria japonica Houtt. - Determined By: B. F. Hansen, Mar 2016
Polygonum cuspidatum Siebold & Zucc.
Locality USA. Louisiana, Bienville Par.: Beside LA 9 near Otter Creek, just S of Saline. T14N, R6W, Sec. 34.
Reproductive State Flower
Specimen Notes
Collector R. D. Thomas 60668
Collection Date 07 Sep 1978
Accession Number 177245
Image View Image
Plant Atlas Link Plant Atlas Citation

Reynoutria japonica
Family Name Polygonaceae
Currently Accepted Name Reynoutria japonica Houtt. - Determined By: K. A. Keefer, 21 Aug 2024
Herbarium Name Used
Determination History
Reynoutria japonica Houtt. - Determined By: B. F. Hansen, Mar 2016
Polygonea cuspidatum Siebold & Zucc.
Locality USA. Louisiana, Ouachita Par.: Beside Sandel Library on Northeast Louisiana University campus in Monroe.
Description Aggressively spreading, to 7 ft. tall.
Habitat In wildflower - fern bed.
Reproductive State Bud
Specimen Notes
Collector R. D. Thomas 81951
Collection Date 13 Jul 1982
Accession Number 177641
Image View Image
Plant Atlas Link Plant Atlas Citation

Reynoutria japonica
Family Name Polygonaceae
Currently Accepted Name Reynoutria japonica Houtt. - Determined By: K. A. Keefer, 21 Aug 2024
Herbarium Name Used
Determination History
Reynoutria japonica Houtt. - Determined By: B. F. Hansen, Mar 2016
Polygonum cuspidatum Siebold & Zucc.
Locality USA. Louisiana, Claiborne Par.: Homer. T21N, R7W, Sec. 23.
Habitat Along railroad tracks.
Reproductive State
Specimen Notes
Collector R. D. Thomas 64219
with L. Lewis, D. Dixon, T. White
Collection Date 05 May 1979
Accession Number 177249
Image View Image
Plant Atlas Link Plant Atlas Citation

Reynoutria japonica
Family Name Polygonaceae
Currently Accepted Name Reynoutria japonica Houtt. - Determined By: K. A. Keefer, 21 Aug 2024
Herbarium Name Used
Determination History
Reynoutria japonica Houtt. - Determined By: B. F. Hansen, Mar 2016
Polygonum cuspidatum Siebold & Zucc.
Locality USA. Tennessee, Knox Co.: University of Tennessee campus, Knoxville; behind the old steam plant.
Reproductive State Flower
Specimen Notes Leaf sample for secondary metabolites taken by Uta Grünert, Eberhard Karls Univsität Tübingen, 22 Aug 2024.
Collector G. H. Morton 329
Collection Date 22 Jun 1965
Accession Number 95920
Image View Image
Plant Atlas Link Plant Atlas Citation

Reynoutria japonica
Family Name Polygonaceae
Currently Accepted Name Reynoutria japonica Houtt. - Determined By: K. A. Keefer, 21 Aug 2024
Herbarium Name Used
Determination History
Reynoutria japonica Houtt. - Determined By: B. F. Hansen, Mar 2016
Polygonum cuspidatum Siebold & Zucc.
Locality USA. North Carolina, Macon Co.: Bridal Veil Falls, 3 mi. N of Highlands.
Reproductive State Fertile
Elevation 3400 ft
Specimen Notes
Collector R. P. Sauleda 4594
with D.K. Sauleda
Collection Date 17 Sep 1980
Accession Number 176769
Image View Image
Plant Atlas Link Plant Atlas Citation

Reynoutria japonica
Family Name Polygonaceae
Currently Accepted Name Reynoutria japonica Houtt. - Determined By: K. A. Keefer, 21 Aug 2024
Herbarium Name Used
Determination History
Reynoutria japonica Houtt. - Determined By: B. F. Hansen, Mar 2016
Polygonum cuspidatum Siebold & Zucc. - Determined By: H. E. Ahles
Locality USA. North Carolina, Beaufort Co.: Near US 17, 1 mil. SW of Washington.
Habitat Waste place.
Reproductive State Bud
Specimen Notes
Collector A. E. Radford 36088
Collection Date 06 Jul 1958
Accession Number 15514
Image View Image
Plant Atlas Link Plant Atlas Citation