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*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

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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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