Eryngium integrifolium Walter. Phen: Aug-Oct. Hab: Pine savannas, pine flatwoods, seepages, swamps, wet meadows, other moist, nutrient-poor places. Dist: Se. VA (Greensville County) (Belden et al. 2004) and e. NC south to ne. FL and Panhandle FL, west to OK and TX, inland in c. TN.
Origin/Endemic status: Endemic
Taxonomy Comments: Variation within Eryngium integrifolium probably warrants taxonomic recognition; it is under study by John Kees, Derick Poindexter, and Alan Weakley. There may be as many as six entities warranting taxonomic recognition
Synonymy: = Ar, Fl7, K1, K3, K4, MC, NcTx, Ok, RAB, Tn, Tx, Va, W, WH3, Bell (1963); = n/a – C, F, G; > Eryngium integrifolium Walter – S; > Eryngium integrifolium Walter var. ludovicianum (Morong) Coult. & Rose; > Eryngium ludovicianum Morong – S