Orthothecium chryseum var. chryseum

Treatment appears in FNA Volume 28. Treatment on page 555.

Leaves concave.


Phenology: Capsules mature spring–early summer.
Habitat: Moist calcareous rock ledges, faces, crevices, in depressions, edges of streams, humus, seepage areas of talus slopes, ice wedge polygons, hummocks, dung, alpine and arctic tundra
Elevation: low to high elevations (0-3900 m)

Distribution

V28 864-distribution-map.gif

Greenland, Alta., B.C., Man., Nfld. and Labr., N.W.T., Nunavut, Ont., Que., Yukon, Alaska, Colo., Mont., n, c Europe, n Asia (Russia), Atlantic Islands (Iceland).

Discussion

Variety chryseum is characterized by robust stems 3 mm wide and over 4 cm long, and distinctly golden, plicate leaves with short-acuminate points. This variety is by far the most common Orthothecium in North America. Sporophytes are rarely produced.

Selected References

None.

Lower Taxa

None.
Paul L. Redfearn Jr. +
(Schwagrichen) Schimper +
Hypnum chryseum +
Greenland +, Alta. +, B.C. +, Man. +, Nfld. and Labr. +, N.W.T. +, Nunavut +, Ont. +, Que. +, Yukon +, Alaska +, Colo. +, Mont. +, n +, c Europe +, n Asia (Russia) +  and Atlantic Islands (Iceland). +
low to high elevations (0-3900 m) +
Moist calcareous rock ledges, faces, crevices, in depressions, edges of streams, humus, seepage areas of talus slopes, ice wedge polygons, hummocks, dung, alpine and arctic tundra +
Capsules mature spring–early summer. +
in P. Bruch and W. P. Schimper, Bryol. Europ. +
Illustrated +
Holmgrenia +
Orthothecium chryseum var. chryseum +
Orthothecium chryseum +
variety +