Brachythecium frigidum (Müll.Hal.) Besch.

Cold brachythecium moss (en)

Species

Bryophytes > Hookeriales > Brachytheciaceae > Brachythecium

Characteristics

Plants large, sometimes medium-sized, in moderately dense mats, green, brownish, rich golden, or golden brown. Stems to 10 cm, creeping to erect, terete-foliate, irregularly branched, branches to 15 mm, straight to somewhat curved, terete-foliate. Stem leaves rigidly erect, spreading, sometimes slightly homomallous near shoot apices, loosely imbricate, ovate-triangular or triangular, broadest below 1/10 leaf length, concave, strongly plicate, 1.8-3.5 × 0.6-1.5 mm; base rounded, narrowly decurrent; margins plane, rarely partly recurved, evenly serrulate to serrate; apex gradually tapered, short-acuminate; costa to 50-70(-90)% leaf length, strong, terminal spine present; alar cells short-rectangular, enlarged, to 60 × 30µm, walls thin, region conspicuous, , of 4-8 × 4-8 cells, ; laminal cells linear, 70-140(-190) × 7-11 µm; basal cells to 15 µm wide, region in 1-3 rows. Branch leaves <2-3:1>. Sexual condition dioicous. Seta red-brown, 2-3.5 cm, rough. Capsule horizontal, red-brown, elongate, curved, to 3 mm; annulus separating by fragments; operculum long-conic. Spores 13-20 µm.
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Identifiers

LSID 35114510
WFO ID wfo-0001155131
COL ID N2XR
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Wikipedia (EN)
Wikipedia (FR)

Synonyms

Brachythecium frigidum Brachythecium washingtonianum Hypnum frigidum