Xyris difformis Chapman. Bog Yellow-eyed-grass. Phen: Aug-Oct. Hab: Pine savannas, roadside ditches, pond margins, acid seeps, bogs, other wet habitats. Dist: New England and s. Canada south to n. peninsular FL and ec. TX.
Origin/Endemic status: Native
Syn: = K3, K4, Mi, Tn, Va, WH3, Bridges & Orzell (2003); = Xyris difformis var. difformis – C, ETx1, FNA22, GW1, K1, NE, NY, Tx, Kral & Moffett (2009), Kral (1966a); < Xyris difformis – F, G, Pa, RAB, S, W