Bryum argenteum var. majus

Schwagrichen

Sp. Musc. Frond. Suppl. 1(2): 88. 1816.

Treatment appears in FNA Volume 28. Treatment on page 126.
Revision as of 06:35, 30 July 2020 by imported>Volume Importer
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Plants green. Stems 0.5–1 cm, loosely julaceous. Leaves longer than broad, hyaline near apex; costal apiculus long; distal laminal cells elongate-hexagonal, 3–4: 1.


Phenology: Capsules unknown.
Habitat: Shaded moist soil, disturbed habitats
Elevation: low to moderate elevations (0-500 m)

Distribution

V28 194-distribution-map.gif

Maine, Mo., N.H., w Europe

Discussion

Variety majus is poorly understood, and it may be more widely distributed. The pale green, loosely imbricate stems with hyaline apiculus are reminiscent of Plagiobryum zieri, but that species has wide elongate laminal cells throughout the leaf, a pinkish coloration, and arctic-alpine distribution.

Selected References

None.

Lower Taxa

None.

"narrower" is not a number."narrow" is not a number.

not cucullate;broadly rounded;acute +
John R. Spence +
Schwagrichen +
reduced +
curved +  and straight +
not decurrent +
cucullate +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
red +  and redbrown +
inclined +  and pendent +
long-exserted +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
quadrate +  and long-rectangular +
differentiated +
appendiculate +
subpercurrent +
elongate-hexagonal +
Maine +, Mo. +, N.H. +  and w Europe +
low to moderate elevations (0-500 m) +
hyaline;pale-yellow +
tan +  and pale-yellow +
Shaded moist soil, disturbed habitats +
polyoicous +, monoicous +, dioicous +  and sexual +
imbricate;variously contorted +
0.1 cm1 mm <br />0.001 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
concave +, ovate +  and ovatelanceolate +
larger +  and vegetative +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
differentiated +
1 (?) +, 3 (?) +  and 6 (?) +
rarely +, short-rhomboidal +  and elongate-hexagonal +
short-rectangular +  and quadrate +
not rostrate +, short-conic +  and convex +
lateral +  and terminal +
lateral +  and terminal +
diplolepidous-alternate +
Capsules unknown. +
short-rectangular +  and quadrate +
Sp. Musc. Frond. Suppl. +
differentiated +
smooth;papillose +
differentiated +
brown +  and redbrown +
elongate +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Illustrated +
yellow-tan +  and pale tan +
germinating +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
gemmiform +  and rounded +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Bryum argenteum var. majus +
Bryum argenteum +
variety +
lanceolate +
slender +
distinct +
straight +
specialized +
dioicous +  and sexual +
sinuate +
incrassate +