Cirsium horridulum Michaux var. vittatum (Small) R.W. Long. Southern Yellow Thistle, Pineland Thistle. Phen: May-Jul. Hab: Wet pine savannas. Dist: Se. NC south to s. peninsular FL and Panhandle FL, west to s. MS and e. LA; Bahamas; West Indies.

Origin/Endemic status: Native

Synonymy: = Ar, FNA19, K4; = Carduus smallii (Britton) H.E.Ahles – RAB; = Cirsium vittatum Small – Bah; < Cirsium horridulum Michx. – Fl7, WH3; < Cirsium horridulum Michx. – GW2; < Cirsium horridulum Michx. var. vittatum (Small) R.W.Long – K1, K3, SE1; > Cirsium smallii Britton – S; > Cirsium vittatum Small – S

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Wetland Indicator Status:

• Atlantic and Gulf Coastal Plain: FAC (taxonomic split from wetland indicator species)
• Great Plains: FAC (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