Brachythecium boreale Ignatov

Species

Bryophytes > Hookeriales > Brachytheciaceae > Brachythecium

Characteristics

Plants medium-sized to moderately large, in loose to moderately dense mats, light yellowish to brownish. Stems to 6 cm, creeping to ascending, terete-foliate, irregularly, often fasciculately branched, branches to 6 mm, straight, terete-foliate. Stem leaves erect to often erectopatent, imbricate, ovate, broadest at 1/7 leaf length, concave, not to strongly plicate, 1.8-2.4 × 0.6-0.9 mm; base rounded, narrowly short-decurrent; margins plane or recurved in places, evenly serrulate throughout; apex abruptly acuminate; costa to 40-60% leaf length, slender, terminal tooth small or absent; alar cells short-rectangular, enlarged, 15-20 × 30-50 µm, walls thin, region conspicuous, delimited, of 4-6 × 4-6 cells; laminal cells linear, 45-80 × 6-8 µm; basal cells 25-70 × 12-17 µm, region in 3 or 4 rows. Branch leaves similar, somewhat smaller. Sexual condition autoicous. Seta red-brown, 1.5-2 cm, smooth. Capsule inclined to horizontal, red-brown, short-cylindric, curved, 2 mm; annulus separating by fragments; operculum conic. Spores (18-)20-25 µm.
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Identifiers

LSID 35218082
WFO ID wfo-0001214622
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Wikipedia (EN)
Wikipedia (FR)

Synonyms

Brachythecium boreale