Cystopteris bulbifera (Linnaeus) Bernhardi. Bulblet Fern, Bulblet Bladder Fern. Phen: May-Sep. Hab: Moist outcrops and talus of calcareous rocks, rarely up to 1500 m elevation. Dist: NL (Newfoundland) west to MN, south to NC, nw. SC (Oconee County), nw. GA, AL, and AR; also disjunct in UT, AZ, NM, and w. TX.

Origin/Endemic status: Native

Taxonomy Comments: This species is a diploid involved in the reticulate evolution of Cystopteris in e. North America; it is one parent of C. tennesseensis. Its genome can be symbolized BB.

Synonymy: = Ar, C, F, FNA2, G, GrPl, Il, K1, K3, K4, Mo1, NE, NY, Pa, RAB, Sf, Tn, Tx, TxFerns, Va, W, WV, Shmakov, Batkin, & Vaganov (2018); = Filix bulbifera (L.) Underw. – S13

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Wetland Indicator Status:

• Atlantic and Gulf Coastal Plain: FAC
• Eastern Mountains and Piedmont: FAC
• Great Plains: FACW
• Midwest: FACW
• Northcentral & Northeast: FACW

Heliophily: 3