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... more about "Cystopteris fragilis"
Christopher H. Haufler +, Robbin C. Moran +  and Michael D. Windham +
(Linnaeus) Bernhardi +
Polypodium fragile +
Brittle fern +, fragile fern +  and cystoptère fragile +
Greenland +, St. Pierre and Miquelon +, Alta. +, B.C. +, Man. +, N.B. +, Nfld. +, N.W.T. +, N.S. +, Ont. +, P.E.I. +, Que. +, Sask. +, Yukon +, Alaska +, Calif. +, Colo. +, Conn. +, Idaho +, Ill. +, Ind. +, Iowa +, Kans. +, Maine +, Mass. +, Mich. +, Minn. +, Mont. +, Nebr. +, Nev. +, N.H. +, N.Mex. +, N.Y. +, N.Dak. +, Ohio +, Oreg. +, Pa. +, S.Dak. +, Tex. +, Utah +, Vt. +, Wash. +, Wis. +, Wyo. +  and worldwide. +
0–4500 m +
Mostly on cliff faces, also in thin soil over rock +
Sporulating summer–fall. +
Neues J. Bot. +
Cystopteris dickieana +  and Cystopteris fragilis subsp. dickieana +
Cystopteris fragilis +
Cystopteris +
species +