Coreopsis lanceolata Linnaeus. Longstalk Coreopsis. Phen: Apr-Jun. Hab: Open sandy prairies; eastwards in disturbed areas. Dist: S. MA, MI and WI south to c. peninsular FL, e. TX, and NM. Often spread from cultivation, its original range obscure, but perhaps limited to the sc. United States.

Origin/Endemic status: Native

Taxonomy Comments: The distinction of C. lanceolata (=C. lanceolata var. lanceolata) from C. crassifolia (=C. lanceolata var. villosa) needs additional study.

Synonymy: = Ar, C, Fl7, FNA21, GrPl, K1, K3, K4, Mi, NcTx, NE, NY, Oh3, Ok, Pa, RAB, SE1, Tn, Tx, Va, W, WH3, WV, Schilling, Johnson, & Iacona (2015), Smith (1976); = n/a – Tat; > Coreopsis crassifolia Aiton – Il, S; > Coreopsis heterogyna Fernald – F; > Coreopsis lanceolata L. – Il, S; > Coreopsis lanceolata L. var. lanceolata – F, Sherff & Alexander (1955); > Coreopsis lanceolata L. var. villosa Michx. – F, G, Sherff & Alexander (1955)

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Wetland Indicator Status:

• Atlantic and Gulf Coastal Plain: UPL (taxonomic split from wetland indicator species)
• Eastern Mountains and Piedmont: FACU
• Great Plains: FACU (taxonomic split from wetland indicator species)
• Midwest: FACU (taxonomic split from wetland indicator species)
• Northcentral & Northeast: FACU (taxonomic split from wetland indicator species)

Heliophily: 8