
Citation
ARISTIDA RAMOSISSIMA Engelmann ex A. Gray, Manual, ed. 2. 550. 1856.
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ILLINOIS: St. Clair Co.: Without data, Engelmann s.n. (lectotype: GH; isolectotype: US). Lectotypified by Hitchcock, Contr. U.S. Natl. Herb. 22: 538. 1924.