EcoFlora - Verbena bonariensis var. bonariensis

Verbena bonariensis var. bonariensis
Family: Verbenaceae purpletop vervain	Gleason & Cronquist Resources Vascular plants of NE US and adjacent Canada A S. Amer. sp. with the lvs semi-amplexicaul and subcordate at base, is intr. in se. U.S. and rarely found in our range. Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp. ©The New York Botanical Garden. All rights reserved. Used by permission.
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