*Reynoutria ×bohemica Chrtek & A. Chrtková. Bohemian Knotweed, Hybrid Japanese Knotweed. Phen: Jul-Oct. Hab: Disturbed areas, sandbars. Dist: Native of e. Asia.
Origin/Endemic status: E. and se. Asia
Synonymy ⓘ: = Il, K3, K4; = Fallopia ×bohemica (Chrtek & Chrtková) J.P.Bailey – FNA5, NE; = n/a – C, Pa, RAB; = Polygonum ×bohemica (Chrtek & Chrtková) Zika & Jacobson – Horton (1972); = Reynoutria japonica × sachalinensis – NY
Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: FACU
- Eastern Mountains and Piedmont: FACU
- Great Plains: FACU
- Midwest: FACU
- Northcentral & Northeast: FACU
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