Calamagrostis insperata Swallen. Phen: Jul-Sep. Hab: Rock outcrops; rocky woodlands. Dist: OH and MO south to TN and AR.
Origin/Endemic status: Endemic
Taxonomy Comments: 2n=56.
Synonymy: = C, HC, Il; = Calamagrostis inspirata Swallen, misspelling; = Calamagrostis porteri A.Gray ssp. insperata (Swallen) C.W.Greene – Ar, FNA24, K1, K3, K4, Mo1; < Calamagrostis porteri A.Gray – Tn
Heliophily: 8
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