Myriopteris gracilis Fée. Common name: Slender Lipfern. Phenology: Mar-Nov. Habitat: Dry outcrops of calcareous sedimentary rocks (dolostone), other rock outcrops. Distribution: WI, MN, SD, MT, AB, and BC south to AR, TX, NM, AZ, s. CA, and n. Mexico (Chihuahua and Coahuila); disjunct eastward in KY, w. VA, and c. NC. Known from a dolostone cliff in Pulaski County, VA, where disjunct about 450 km east of a population in Bullitt County, KY, and an additional 200 km from other populations in IL (Wieboldt & Bentley 1982, Porter & Wieboldt 1991); an additional eastern collection from 1930 has recently come to light, from Durham Co. in nc. NC (Rothfels, Sigel, & Windham 2012).
Origin/Endemic status: Native
Taxonomy Comments: The species is an apogamous triploid of unknown parentage. This asexual triploid species shows considerable genetic diversity, with eastern populations (driftless area of WI and MN south to MO Ozarks; and disjunct populations eastwards) forming a clade separate from more western populations (Wickell et al. 2017).
Synonymy ⓘ: = Can, K4, Grusz & Windham (2013); = Cheilanthes feei T.Moore — Ar, C, ETx1, FNA2, G, GrPl, Il, Mo1, NS, S13, Tx, TxFerns, Va, W, Lellinger (1985); = Hemionitis feei (T.Moore) Christenh. — POWO, Christenhusz, Fay, & Byng (2018); = n/a — RAB. Basionym: Myriopteris gracilis Fée 1852
Links to other floras: = Cheilanthes feei - FNA2
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Heliophily ⓘ: 7
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Horticultural Information
No horticultural data found for this taxon.