Gymnocarpium has ca. 10 species and several hybrids. It occurs mainly in the temperate zones of the N Hemisphere (Asia, Europe, and North America) and subtropical mountains of Asia. The American G. dryopteris is a fertile allotetraploid species that arose from hybridization followed by polyploidization between G. appalachianum Pryer & Haufler and G. disjunctum (Ruprecht) Ching (Pryer & Haufler, Syst. Bot. 18: 150-172. 1993).
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- habit – forest interior
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- habit – forest interior
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- habit – forest edge
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- rhizome
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- fiddlehead
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- vascular bundles
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- deltate lamina
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- adaxial groove
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- pinnae with swollen point of attachment
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- free veins and sori
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- sori
Collection Data (F.B. Matos 2338)
Classification & Common Names
- Class: Polypodiopsida
- Family: Cystopteridaceae
- Genus: Gymnocarpium Newm.
- Species: Gymnocarpium dryopteris (L.) Newman
- Var./Subsp.:
- Common name(s):
General Collection Data
- Date: 21-VIII-2013
- Primary Collector & #: F.B. Matos 2338
- Collection Party: R.C. Moran, C. Taylor, T. Choo, C. Matos et al.
- Det. History: F.B. Matos, VIII.2013
- Habitat: Boreal forest
- Habit: Terrestrial
- Specimen Locations: NY, RB, SP, UPCB
Additional Comments
Collection Location
- Location: Donnell Pond – – Hancock County – Maine – United States.
- Coordinates: 44.577222, -68.104444
- Elevation: 60 m
There is also a species from tropical Aisa, Gymnocarpium oyamense! I have photos from PNG and will post them soon.
Thank you, Michael. I have changed the text above. Looking forward to seeing your photos of G. oyamense.