Dryopteris campyloptera

(Kunze) Clarkson

Amer. Fern J. 20: 118. 1930.

Common names: Mountain wood fern eastern spreading wood fern dryoptère arquée
Basionym: Aspidium campylopterum Kunze Amer. J. Sci. Arts, ser. 2, 6: 84. 1848
Synonyms: Dryopteris austriaca (Jacquin) Schinz & Thellung Dryopteris spinulosa var. americana (Fischer ex Kunze) Fernald Dryopteris spinulosa var. concordiana (Davenport) Eastman
Treatment appears in FNA Volume 2.

Leaves monomorphic, dying back in winter, 25–90 × 15–30 cm. Petiole 1/3 length of leaf, scaly at least at base; scales scattered, brown, sometimes with darker patch at base. Blade light green, deltate-ovate, 3-pinnate-pinnatifid, herbaceous, not glandular. Pinnae in plane of blade, lanceolate; basal pinnae deltate to broadly lanceolate, not reduced, basal pinnules equal to adjacent pinnules, basal basiscopic pinnule much longer and 2 times width of basal acroscopic pinnule (only in this species); pinnule margins toothed, teeth spine-tipped. Sori midway between midvein and margin of segments. Indusia usually lacking glands. 2n = 164.

Habitat: Cool, moist woods at increasing elevation southward, frequently only at summits of mountains
Elevation: 0–1500 m


V2 79-distribution-map.gif

N.B., Nfld. and Labr., N.S., P.E.I., Que., Conn., Maine, Md., Mass., N.H., N.Y., N.C., R.I., Tenn., Vt., Va., W.Va.


Selected References


Lower Taxa

... more about "Dryopteris campyloptera"
James D. Montgomery +  and Warren H. Wagner Jr. +
(Kunze) Clarkson +
Aspidium campylopterum +
Mountain wood fern +, eastern spreading wood fern +  and dryoptère arquée +
N.B. +, Nfld. and Labr. +, N.S. +, P.E.I. +, Que. +, Conn. +, Maine +, Md. +, Mass. +, N.H. +, N.Y. +, N.C. +, R.I. +, Tenn. +, Vt. +, Va. +  and W.Va. +
0–1500 m +
Cool, moist woods at increasing elevation southward, frequently only at summits of mountains +
Amer. Fern J. +
Dryopteris austriaca +, Dryopteris spinulosa var. americana +  and Dryopteris spinulosa var. concordiana +
Dryopteris campyloptera +
Dryopteris +
species +