Brachythecium boreale Ignatov
  • Arctoa

Cite taxon page as 'WFO (2020): Brachythecium boreale Ignatov. Published on the Internet; Accessed on: 30 Nov 2020'

General Information

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.

  • Provided by: [B].Flora of North America @
    • Source: [
    • 1
    • ]. 

     Information From

    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    Flora of North America @
    'Flora of North America @ eFloras (2008). Published on the Internet [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • B Flora of North America Association
    World Flora Online consortium
    World Flora Online Data. 2018.
    • C CC0 1.0 Universal (CC0 1.0).