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Gymnocarpium ×heterosporum
Gymnocarpium ×heterosporum W.H. Wagner (pro sp.)
Blackspore Oak Fern, Blackspore Oakfern
Dryopteridaceae (Wood Fern family)
Synonym(s): Gymnocarpium heterosporum
USDA Symbol: GYHE3
USDA Native Status: L48 (N)
Natural hybrid of Gymnocarpium appalachianum and G. robertianum.
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Plant Characteristics
Duration: PerennialHabit: Herb , Fern
Size Notes: Fronds up to about 16 inches long.
Bloom Information
Bloom Color: Not ApplicableBloom Notes: Non-flowering, sporulating plant.
Distribution
USA: PANative Distribution: Known in North America only in Pennsylvania where it is listed as extirpated.
Web Reference
Webref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.Additional resources
USDA: Find Gymnocarpium ×heterosporum in USDA PlantsFNA: Find Gymnocarpium ×heterosporum in the Flora of North America (if available)
Google: Search Google for Gymnocarpium ×heterosporum
Metadata
Record Modified: 2020-10-30Research By: CBR