Poteridium annuum (Nuttall ex Hooker) Spach. Common name: Prairie Burnet. Phenology: Apr-May. Habitat: Prairies, pastures, roadsides. Distribution: W. AR and OK south to c. TX; BC south to NV and CA; scattered occurrences elsewhere are apparently the result of introductions.
Origin/Endemic status: Native
Synonymy ⓘ: = Can, FNA9, K4, NY; = n/a — C, Tat; = Sanguisorba annua (Nutt. ex Hook.) Torr. & A.Gray — Ar, G, GrPl, NcTx, RAB, Tx, Robertson (1974). Basionym: Poterium annuum Nutt. ex Hook. 1832
Links to other floras: = Poteridium annuum - FNA9
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Heliophily ⓘ: 3
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