Marshallia Schreber. Barbara's-buttons.
A genus of about 11-13 species, perennial herbs, of the se. United States. Marshallia ranges from sc. VA, sw. PA, WV, s. KY, s. MO, and c. OK, south to c. peninsular FL, and wc. TX.
Ref: Beadle & Boynton (1901); Channell (1957); Cronquist (1980); Knapp, Poindexter, & Weakley (2020); Watson (2006) In Flora of North America Editorial Committee (2006c); Watson & Estes (1990); Watson, Elisens, & Estes (1991); Watson, Jansen, & Estes (1991); Weakley & Poindexter (2012). Show full citations.
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© Alan Cressler: Marshallia obovata var. obovata, Coosa Valley Prairies, Floyd County, Georgia 1 by Alan Cressler | Marshallia obovata var. obovata source | Original Image ⭷
© Scott Ward | 
© Floyd A. Griffith | 
© Gary P. Fleming |