Flora of the Southeastern United States
2022 Edition

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APIACEAE

Eryngium yuccifolium Michaux var. yuccifolium . Northern Rattlesnake-master. Phen: Jun-Aug. Hab: Diabase barrens and glades, olivine barrens, pine savannas, pine flatwoods over loamy or clay soils, prairies, other open sites with at least periodic moisture, generally in sites showing some prairie affinities. Dist: Widespread in southeastern and midwestern North America, the exact range limits of the typic variety and var. synchaetum somewhat obscure; probably distributed from NJ, OH, s. MI, WI, MN, and NE south to Panhandle FL, AL, MS, n. LA, and e. TX.

Origin/Endemic status: Native

Syn: = K1, K3, K4, MC, NE, RAB, Tx, Va, Bell (1963); = Eryngium aquaticum – S, misapplied; < Eryngium yuccifolium – Ar, C, F, Fl7, G, GrPl, GW2, Il, Mi, Mo2, NcTx, Tn, W, WH3

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image of plant© Alan M. Cressler
image of plant© Alan M. Cressler
We don't have a lot of photos of Eryngium yuccifolium var. yuccifolium yet. If you have a good photo you'd like to share, please send it to us. Thanks for your contribution!