Ophioglossum engelmannii Prantl. Common name: Engelmann’s Adder’s-tongue, Limestone Adder’s-tongue. Phenology: Dec-Jun. Habitat: Dry barrens and glades over calcareous rocks, very rarely on granite. Distribution: W. VA, IN, IL, KS, and AZ south to Panhandle FL and TX; Mexico and Central America. Ascribed to NC by Wagner & Wagner in FNA (1993b), the documentation unknown.
Origin/Endemic status: Native
Synonymy ⓘ: = Ar, C, ETx1, F, Fl1, FNA2, G, GrPl, Il, K4, Meso1, Mo1, NS, Pa, POWO, S13, Sf, Tn, Tx, TxFerns, Va, W, WH3; = Whittieria engelmannii (Prantl) Li Bing Zhang & Liang Zhang — Wan, Zhang, & Zhang (2022), Zhang & Zhang (2022), nom. illeg., basionym not cited; Ophioglossum engelmannii Prantl. Basionym: Ophioglossum engelmannii Prantl 1883
Links to other floras: = Ophioglossum engelmannii - FNA2
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Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: FACU
- Eastern Mountains and Piedmont: FACU
- Great Plains: FACU
- Midwest: FACU
Heliophily ⓘ: 8
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© Alan Cressler: Ophioglossum engelmannii, Nettle Glade, Ketona Dolomite, Kathy Stiles Freeland Bibb County Glades Preserve, The Nature Conservancy, Bibb County, Alabama 3 by Alan Cressler source | Original Image ⭷
© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
© Joey Shaw source | Original Image ⭷
© Aidan Campos source | Original Image ⭷Feedback
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