Difference between revisions of "Bryum blindii"
Bryol. Europ. 4: 163, plate 383. 1846.
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|genus=Bryum | |genus=Bryum | ||
|species=Bryum blindii | |species=Bryum blindii | ||
Revision as of 22:42, 27 May 2020
Plants gregarious, green to yellow-green. Stems 0.2–1 cm, gemmiform to strongly rounded julaceous. Leaves erect when moist, ovate, somewhat concave, 0.3–1(–1.2) mm; base red; margins plane; apex broadly acute, not cucullate, not hyaline distally; costa not reaching apex, apiculus absent; proximal laminal cells quadrate or short-rectangular, 8–12 µm wide, 1–2:1; distal cells of main (fertile) stem and innovation leaves linear-vermicular to elongate-hexagonal, (60–)70–90(–100) × 6–10(–12) µm, (6–)8–10:1, walls thick. Specialized asexual reproduction by leaf axil bulbils, leafy, small. Seta red to red-brown, 1–2 cm. Capsule red to red-brown, ovate, 1–2 mm; hypophysis differentiated, somewhat thickened and rugose when dry. Spores 10–18 µm.
Phenology: Capsules mature Jun–Aug (summer).
Habitat: Calcareous mineral soil, soil banks, cold-temperate to arctic-alpine regions
Elevation: low to high elevations (0-3500 m)
Distribution
Greenland, B.C., N.W.T., Nunavut, Ont., Yukon, Calif., Colo., Maine, Mont., n Eurasia.
Discussion
One of the two collections of Bryum blindii from Colorado has leaves with strongly excurrent costae and relatively short distal laminal cells (3–5:1); it is not typical material of the species.
Selected References
None.