Silphium integrifolium Michaux var. integrifolium . Common name: Prairie Rosinweed. Phenology: Jul-Sep. Habitat: Prairies, calcareous glades and barrens. Distribution: MI, WI, and se. SD south to c. TN, se. AL, s. MS, s. LA, and OK.

Origin/Endemic status: Native

Synonymy ⓘ: < Silphium integrifolium Michx. — Mi, Tn; > Silphium integrifolium Michx. var. deamii L.M.Perry — F, Il, Perry (1937); < Silphium integrifolium Michx. var. integrifolium — Ar, C, FNA21, G, GrPl, K4, SE1; > Silphium integrifolium Michx. var. integrifolium — Il, Perry (1937); >< Silphium integrifolium Michx. var. integrifolium — F. Basionym: Silphium integrifolium Michx. 1803

Links to other floras: < Silphium integrifolium var. integrifolium - FNA21

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Wetland Indicator Status:

• Atlantic and Gulf Coastal Plain: FAC (name change)
• Eastern Mountains and Piedmont: FAC (name change)
• Great Plains: FAC (name change)
• Midwest: FACU (name change)
• Northcentral & Northeast: FAC (name change)

Heliophily ⓘ: 9