Difference between revisions of "Dicranum majus var. majus"
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Revision as of 19:40, 24 September 2019
Plants in loose tufts, green to light green, glossy. Leaves falcate-secund, flexuose, 8–11.5(–15) mm; margins serrate in distal half; costa percurrent to shortly excurrent, toothed distally on abaxial surface, with a double row of guide cells.
Phenology: Capsules mature spring.
Habitat: Humus, soil, soil over rock, and rotten wood in coniferous woods, bogs, and tundra
Elevation: 0-1500 m
Distribution
Greenland, Alta., B.C., Man., N.B., Nfld. and Labr. (Nfld.), N.W.T., N.S., Nunavut, Ont., P.E.I., Que., Yukon, Alaska, Maine, Mass., R.I., Wash., Europe, Asia.
Discussion
Variety majus is known by its glossy, long (8–15 mm), falcate-secund leaves with serrate margins in the distal half, by its costae with two rows of guide cells (seen in cross section), the abaxial surface toothed and not ridged distally, and by its aggregate setae (2–5 per perichaetium).
Selected References
None.
Lower Taxa
None.
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