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Poteridium annuum (Nuttall ex Hooker) Spach. Prairie Burnet. Phen: Apr-May. Hab: Prairies, pastures, roadsides. Dist: 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: = FNA9, K3, K4, NY; = n/a – C, Tat; = Sanguisorba annua (Nutt. ex Hook.) Torr. & A.Gray – Ar, G, GrPl, K1, NcTx, RAB, Tx, Robertson (1974)

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Heliophily: 3

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image of plant© Eric Keith, some rights reserved (CC BY-NC), uploaded by Eric Keith source CC-BY-NC, permission granted to NCBG | Original Image ⭷


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