Sisyrinchium pruinosum E.P. Bicknell. Phen: (Mar-) Apr (-May). Hab: Prairies and calcareous glades and barrens. Dist: AR south to w. LA and AR; disjunct at scattered localities eastward in e. LA, MS, AL, and sc. TN.

Origin/Endemic status: Native

Synonymy: > Sisyrinchium brayi E.P.Bicknell – S13; > Sisyrinchium bushii E.P.Bicknell – S13; > Sisyrinchium colubriferum E.P.Bicknell – S13; < Sisyrinchium langloisii Greene – K1; < Sisyrinchium pruinosum E.P.Bicknell – Ar, ETx1, FNA26, K3, K4, NcTx, Tn, Tx; > Sisyrinchium pruinosum E.P.Bicknell – S13; > Sisyrinchium varians E.P.Bicknell – S13

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Heliophily: 9