Pellaea glabella Mettenius ex Kuhn ssp. missouriensis (Gastony) Windham. Hab: Limestone and dolomite bluffs. Dist: Endemic to the MO Ozarks (as far as is known).
Origin/Endemic status: Endemic
Synonymy: = FNA2, K1, K3; = Pellaea glabella Mett. ex Kuhn var. missouriensis Gastony – Mo1; < Hemionitis glabella (Mett. ex Kuhn) Christenh. – Christenhusz, Fay, & Byng (2018); < Pellaea glabella Mett. ex Kuhn var. glabella – C, GrPl
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