Marshallia graminifolia (Walter) Small. Grassleaf Barbara's-buttons. Phen: Late Jul-mid Oct. Hab: Pine savannas. Dist: Ne. NC south to se. SC, and rarely to e. GA (Emanuel County) (Sorrie 1998b).

Origin/Endemic status: Endemic

Synonymy: = GW2, RAB, SE1, Channell (1957); = Marshallia graminifolia (Walter) Small ssp. graminifolia – Watson & Estes (1990); = Marshallia graminifolia (Walter) Small var. graminifolia – K1, K3, K4; < Marshallia graminifolia (Walter) Small – FNA21; > Marshallia graminifolia (Walter) Small var. graminifolia – Beadle & Boynton (1901); > Marshallia graminifolia (Walter) Small var. lacinarioides (Small) Beadle & F.E.Boynton – Beadle & Boynton (1901); > Marshallia lacinarioides Small; > Marshallia laciniarioides Small – S, orthographic variant; > Marshallia williamsonii Small – S

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Wetland Indicator Status:

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

Heliophily: 9