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Persicaria robustior (Small) E.P. Bicknell. Section: Persicaria. Common name: Water Smartweed. Phenology: Jul-Nov. Habitat: Peaty shores or semi-aquatic in water. Distribution: NS, QC, MI, MO, south irregularly to s. FL and TX, and south into tropical America. Probably under-represented as to states of occurrence because of frequent synonymization.

Origin/Endemic status: Native

Synonymy : = Can, FNA5, Il, K4, Mi, Mo3, NE, NY, Pa; = n/a — RAB; = Polygonum robustius (Small) Fernald — C, F, G, Tat, Mitchell & Dean (1978); < Persicaria punctata (Elliott) Small — Mex; > Persicaria punctata (Elliott) Small var. eciliata Small — S13; > Persicaria punctata (Elliott) Small var. robustior Small — S13; < Polygonum punctatum Elliott — Horton (1972); Polygonum punctatum Elliott var. robustius Small — (basionym)

Links to other floras: = Persicaria robustior - FNA5

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: OBL
  • Eastern Mountains and Piedmont: OBL
  • Great Plains: OBL
  • Midwest: OBL
  • Northcentral & Northeast: OBL

Heliophily : 6

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image of plant© Erik Danielson source | Original Image ⭷

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