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Marshallia Schreber. Barbara's-buttons.

Key to Marshallia

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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image of plant© Alan Cressler: Marshallia obovata var. obovata, Coosa Valley Prairies, Floyd County, Georgia 1 by Alan Cressler | Marshallia obovata var. obovata source | Original Image ⭷
image of plant© Floyd A. Griffith | Marshallia ramosa | Original Image ⭷