[Specimen details]

Reynoutria japonica
Family Name Polygonaceae
Currently Accepted Name Reynoutria japonica Houtt. - Determined By: B. F. Hansen, Mar 2016
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
Collector W. S. Judd
Collection Date July 1982
Accession Number 198518
Image 198518.jpg
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Reynoutria japonica
Family Name Polygonaceae
Currently Accepted Name Reynoutria japonica Houtt. - Determined By: B. F. Hansen, Mar 2016
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
Collector E. McClintock
Collection Date 21 Oct 1974
Accession Number 121697
Image 121697.jpg
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Reynoutria japonica
Family Name Polygonaceae
Currently Accepted Name Reynoutria japonica Houtt. - Determined By: B. F. Hansen, Mar 2016
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 to ft
Collector S. R. Hill 33179
Collection Date 13 Sep 2000
Accession Number 239466
Image 239466.jpg
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Reynoutria japonica
Family Name Polygonaceae
Currently Accepted Name 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
Collector J. R. Burkhalter
Collection Date 18 Apr 2015
Accession Number 298929
Image 298929.jpg
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Reynoutria japonica
Family Name Polygonaceae
Currently Accepted Name Reynoutria japonica Houtt. - Determined By: B. F. Hansen, Mar 2016
Determination History
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 Oepn ground.
Reproductive State Fertile
Collector B. Long
Collection Date 28 Jun 1944
Accession Number 114216
Image 114216.jpg
Plant Atlas Link Plant Atlas Citation

Reynoutria japonica
Family Name Polygonaceae
Currently Accepted Name Reynoutria japonica Houtt. - Determined By: B. F. Hansen, Mar 2016
Determination History
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 route 1 and railroad tracks, Stonington. 41° 20' 1" N 71° 54' 41" W
Description Flowers white; shrubby perennial 6-7 ft. tall; petioles red; occasional.
Habitat E edge of sandy/gravelly landfill.
Reproductive State Fertile
Collector S. R. Hill
Collection Date 07 Aug 1991
Accession Number 203907
Image 203907.jpg
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Reynoutria japonica
Family Name Polygonaceae
Currently Accepted Name Reynoutria japonica Houtt. - Determined By: B. F. Hansen, Mar 2016
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
Collector A. R. Franck
Collection Date 20 Jul 2014
Accession Number 276112
Image 276112.jpg
Plant Atlas Link Plant Atlas Citation

Reynoutria japonica
Family Name Polygonaceae
Currently Accepted Name Reynoutria japonica Houtt. - Determined By: B. F. Hansen, Mar 2016
Determination History
Polygonum cuspidatum Siebold & Zucc. - Determined By: S. R. Hill, 2003
Locality USA. New York , Erie Co. : N 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, flowers white, inflorescence erect.
Habitat Many on more open flats near creak; alluvial soil over limestone; floodplain forest, shaded, with Acer negundo, Ulmus, Helianthus, Matteuccia struthiopteris, Cornus sericea, Acer saccharinum.
Reproductive State Fertile
Elevation 185 to m
Collector S. R. Hill
Collection Date 11 Sep 2003
Accession Number 270973
Image 270973.jpg
Plant Atlas Link Plant Atlas Citation

Reynoutria japonica
Family Name Polygonaceae
Currently Accepted Name Reynoutria japonica Houtt. - Determined By: B. F. Hansen, Mar 2016
Determination History
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
Collector E. M. Browne
with E.T. Browne Jr., J.C. Warden
Collection Date 01 Jul 1961
Accession Number 43993
Image 43993.jpg
Plant Atlas Link Plant Atlas Citation

Reynoutria japonica
Family Name Polygonaceae
Currently Accepted Name Reynoutria japonica Houtt. - Determined By: B. F. Hansen, Mar 2016
Determination History
Polygonum cuspidatum Siebold & Zucc.
Locality USA. Virginia Near the river's edge, along the Covington River, US 522-211.
Habitat Near the river's edge.
Reproductive State Flower Fertile
Collector L. Abbott
Collection Date 27 Sep 1981
Accession Number 183472
Image 183472.jpg
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Reynoutria japonica
Family Name Polygonaceae
Currently Accepted Name Reynoutria japonica Houtt. - Determined By: B. F. Hansen, Mar 2016
Determination History
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 hebr 2-2.5 m tall, flowers white, inflorescence.
Habitat Oaks, Elms, Sugar maples - degraded upland forest above creek.
Reproductive State Flower
Elevation 192 to m
Collector S. R. Hill
Collection Date 01 Sep 2005
Accession Number 267566
Image 267566.jpg
Plant Atlas Link Plant Atlas Citation

Reynoutria japonica
Family Name Polygonaceae
Currently Accepted Name Reynoutria japonica Houtt. - Determined By: B. F. Hansen, Mar 2016
Determination History
Polygonum cuspidatum Siebold & Zucc.
Locality USA. New Jersey , Cape May Co. : Cape May. 38° 56' 19" N 74° 56' 31" W
Reproductive State Flower
Collector L. Griscom
Collection Date 20 Sep 1919
Accession Number 24976
Image 24976.jpg
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