Persicaria robustior (Small) E.P. Bicknell. 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: Polygonum punctatum Elliott var. robustius Small 1894
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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