Dicranum majus var. majus

Treatment appears in FNA Volume 27. Treatment on page 405. Mentioned on page 406.
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

V27 573-distribution-map.gif

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.

AuthorRobert R. Ireland Jr. +
AuthorityTurner +
DistributionGreenland +, 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 + and Asia. +
Elevation0-1500 m +
HabitatHumus, soil, soil over rock, and rotten wood in coniferous woods, bogs, and tundra +
Illustration copyrightFlora of North America Association +
IllustratorPatricia M. Eckel +
PhenologyCapsules mature spring. +
Publication titleMuscol. Hibern. Spic., +
ReferenceNone +
Source xmlhttps://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse grained fna xml/V27/V27 573.xml +
Taxon familyDicranaceae +
Taxon nameDicranum majus var. majus +
Taxon parentDicranum majus +
Taxon rankvariety +
VolumeVolume 27 +