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Ophioglossaceae
Sceptridium

not marked as a favorite taxon Sceptridium dissectum (Sprengel) Lyon. Common name: Cut-leaf Grape Fern, Dissected Grapefern. Phenology: Aug-Oct. Habitat: Moist forests, clearings, old fields. Distribution: Nova Scotia and Québec west to Ontario and Michigan, south to Panhandle Florida and e. Texas; allegedly in AZ; also in the West Indies (Hispaniola, Jamaica).

Glossary (beta!)

Section: Sceptridium.

ID notes: The dissected form of this species is distinctive, with the ultimate segments tending to end in two sharp cusps. The less dissected form is difficult to distinguish from Sceptridium biternatum (southwards) and Sceptridium oneidense (northwards).

Origin/Endemic status: Native

Taxonomy Comments: The two forms have caused much confusion. In our area, forma obliquum is much more common and widely distributed, and is easily and often confused with B. biternatum. Forma dissectum is fairly common in our area only northwards and in the Mountains. The different distributions of the two forms suggest that further research is needed; Barker & Hauk (2003) found little genetic differentiation between the two forms, however.

Synonymy ⓘ: = Can, K4, Tn, Va, Cao & Hauk (2022); = Botrychium dissectum Sprengel — Ar, C, ETx1, FNA2, K1, Mo1, NE, NS, NY, Pa, POWO, RAB, TxFerns, W, WV, Barker & Hauk (2003); = n/a — Tx; < Botrychium biternatum (Savigny) Underw. — Fl1; < Botrychium dissectum Sprengel — WH3; > Botrychium dissectum Sprengel — Sf; < Botrychium dissectum Sprengel var. dissectum — F; > Botrychium dissectum Sprengel var. dissectum — G, GrPl, Tat; > Botrychium dissectum Sprengel var. obliquum (Muhl. ex Willd.) Clute — G, GrPl, Tat; > Botrychium dissectum Sprengel var. oblongifolium (Graves) Broun; > Botrychium obliquum Muhl. ex Willd. — S13, Sf; > Sceptridium dissectum (Spreng.) Lyon var. dissectum — Il; > Sceptridium dissectum (Spreng.) Lyon var. obliquum (Muhl. ex Willd.) Mohlenbr. — Il. Basionym: Botrychium dissectum Sprengel 1804

Links to other floras: = Botrychium dissectum - FNA2

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Wetland Indicator Status:

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

Heliophily ⓘ: 5

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image #1 of Sceptridium dissectum© Alan M. Cressler | Original Image ⭷
image #2 of Sceptridium dissectum© Alan M. Cressler | Original Image ⭷
image #4 of Sceptridium dissectum© Erik Danielson source | Original Image ⭷
image #5 of Sceptridium dissectum© Radford, Ahles and Bell | Original Image ⭷

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Horticultural Information

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native range: eastern North America