Eryngium prostratum Nuttall ex A.P. de Candolle. Creeping Eryngo, Spreading Eryngo. Phen: May-Nov. Hab: Floodplain forests, bogs, pond margins, moist ditches and lawns, other moist, open habitats; definitely native southward, perhaps only rather recently spread to the northern parts of our area. Dist: Se. VA south to FL, west to OK and TX.

Origin/Endemic status: Endemic

Synonymy: = Ar, C, Fl7, GW2, Il, K1, K3, K4, MC, Mo2, NcTx, Ok, RAB, S, Tn, Tx, Va, W, WH3, Bell (1963); > Eryngium prostratum Nutt. ex DC. var. disjunctum Fernald – F, G; > Eryngium prostratum Nutt. ex DC. var. prostratum – F, G

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