Cystopteris tennesseensis Shaver. Tennessee Bladder Fern. Phen: Apr-Jun. Hab: Moist to dry outcrops of calcareous rocks, including coquina limestone (‘marl’) in the outer Coastal Plain. Dist: PA, KY, IL, WI, and IA south to NC, nw. GA, n. AL, AR, and OK.
Origin/Endemic status: Native
Syn: = Ar, C, FNA2, GrPl, Il, K1, K3, K4, Mo1, Pa, RAB, Tn, Va, W; = Cystopteris ×tennesseensis – WV, Shmakov, Batkin, & Vaganov (2018); = Cystopteris tennesseensis Shaver ssp. tennesseensis – Windham & Pryer (2022)
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© Alan Cressler: Cystopteris tennesseensis, Madison County, Alabama 1 by Alan Cressler source | Original Image ⭷
© Alan Cressler: Cystopteris tennesseensis, Atwood Gulf, Pigeon Mountain, Crockford-Pigeon Mountain Wildlife Management Area, Walker County, Georgia 2 by Alan Cressler source | Original Image ⭷
© Alan Cressler: Cystopteris tennesseensis, Atwood Gulf, Pigeon Mountain, Crockford-Pigeon Mountain Wildlife Management Area, Walker County, Georgia 4 by Alan Cressler source