Hypnum revolutum var. revolutum

Treatment appears in FNA Volume 28. Treatment on page 547.

Plants medium-sized. Stems 3–5 cm, regularly to irregularly pinnate, branches 0.3–0.7 cm. Stem leaves ovate, plicate, 1.1–1.8 mm; margins strongly revolute to near apex; costa double, distinct; medial laminal cells 30–40 × 4–5 µm.


Phenology: Capsules mature Jul–Sep.
Habitat: Open sites, earth, rock faces, epiphytic on tree bases, logs in forests, commonly calcicole but not confined to calcareous substrates
Elevation: low to high elevations

Distribution

V28 851-distribution-map.gif

Greenland, Alta., B.C., Man., Nfld. and Labr., N.W.T., N.S., Nunavut, Ont., Que., Sask., Yukon, Alaska, Ariz., Calif., Colo., Idaho, Mont., Nev., N.Mex., Oreg., S.Dak., Tex., Utah, Wash., Wyo., s South America, Europe, Asia, Antarctica.

Discussion

Variety revolutum produces sporophytes in summer.

Selected References

None.

Lower Taxa

None.
Wilfred B. Schofield† +
(Mitten) Lindberg +
Stereodon revolutus +
Greenland +, Alta. +, B.C. +, Man. +, Nfld. and Labr. +, N.W.T. +, N.S. +, Nunavut +, Ont. +, Que. +, Sask. +, Yukon +, Alaska +, Ariz. +, Calif. +, Colo. +, Idaho +, Mont. +, Nev. +, N.Mex. +, Oreg. +, S.Dak. +, Tex. +, Utah +, Wash. +, Wyo. +, s South America +, Europe +, Asia +  and Antarctica. +
low to high elevations +
Open sites, earth, rock faces, epiphytic on tree bases, logs in forests, commonly calcicole but not confined to calcareous substrates +
Capsules mature Jul–Sep. +
Öfvers. Kongl. Vetensk.-Akad. Förh. +
Illustrated +
Breidleria +, Drepanium +, Pseudostereodon +  and Stereodon +
Hypnum revolutum var. revolutum +
Hypnum revolutum +
variety +