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
Taxonomy Comments: This species is a fertile allotetraploid derived from hybridization between C. bulbifera and C. protrusa. Its genome can be symbolized BBPP. Haufler, Windham, & Ranker (1990) consider this a "successfully fledged and vigorous young species", adapted to a hybrid niche not successfully utilized by either parent.
Synonymy: = 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); = n/a – Tat
Heliophily: 2
See something wrong or missing on about Cystopteris tennesseensis? Let us know here: (Please include your name and email if at all complicated so we can clarify if needed.)
Cite as...