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Asplenium resiliens Kunze. Blackstem Spleenwort. Phen: Apr-Nov. Hab: Moist to dry outcrops of calcareous sedimentary or metamorphic rocks, such as limestone, dolostone, coquina, or marble, sometimes on narrow seams of calcareous materials in otherwise acidic rocks, rarely on mortar or concrete, mostly at low to moderate elevations, but remarkably on Grandfather Mountain at over 1800 m. Dist: Sc. PA, sw. OH, KY, s. IL, MO, se. KS, OK, TX, CO, and s. NV south to FL, TX, AZ, and Mexico; West Indies; Central America and South America.

Origin/Endemic status: Native

Other Comments: This species is a triploid (EEE), unable to produce viable spores by sexual means, but producing spores apogamously. It is a parent species of the rare A. heteroresiliens. Recently rediscovered in sw. OH (Adams County) along a dolomite OH River bluff after not being seen in the state since its first collection in 1900 (J. Copen, pers. comm., 2022).

Synonymy: = Ar, C, ETx1, F, Fl1, FNA2, G, GrPl, Il, K1, K3, Meso1, Mo1, Ok, Pa, RAB, S13, Sf, Tn, Tx, TxFerns, Va, W, WH3, WV, Kessler & Smith (2018)

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Heliophily: 3

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image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Joey Shaw source | Original Image ⭷

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