Characteristics
Dicots
Eryngium yuccifolium Michx.
BUTTON RATTLESNAKEMASTER; BUTTON ERYNGO
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The variety synchaetum (more common in the southern range of the species) is recognized by its narrower leaves and involucral bracts, and with the prickles or bristles often 2-4 at each point along the leaf margin (Mathias & Constance 1941).
Native
FAC (NWPL)
FACW (DEP)
Citation
ERYNGIUM YUCCIFOLIUM Michaux, Fl. Bor.-Amer. 1: 164. 1803.
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VIRGINIA: Without data, Michaux s.n. (holotype: P?).