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Schistidium Moss

Schistidium trichodon Poelt 1953

Comments

provided by eFloras
The habitat, almost always on calcareous rock, its black or dark olivaceous color, the lack of long awns, the long, often domed peristome, and the persistence of the columella within the capsule make Schistidium trichodon a distinctive species.
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cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 27: 207, 209, 211, 225 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
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eFloras.org
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eFloras

Description

provided by eFloras
Plants in open tufts or extensive mats, black, dark olivaceous, or brownish-olivaceous. Stems 1.8-12 cm, central strand weak or absent. Leaves usually somewhat curved, rarely secund, ovate-lanceolate, sharply keeled distally, 1.7-2.7 mm, 1-stratose; margins usually recurved throughout and denticulate distally, 1-stratose or 2-stratose; apices acute; costa percurrent or excurrent as a short, denticulate, weakly decurrent awn, abaxial surface usually weakly papillose; basal marginal cells quadrate or short-rectangular, sometimes trigonous; distal laminal cells mostly short-rectangular, 8-10 µm wide, usually trigonous, sinuose. Sexual condition autoicous. Capsule red-brown, cylindric to short-cylindric, rarely cupulate, 0.7-1.2 mm, sometimes ribbed when dry; columella persistent within capsule; exothecial cells mainly isodiametric, sometimes mixed with short-elongate cells, thin-walled, trigonous; stomata present; peristome erect or ascending, often twisted inwards and overlapping distally, forming a dome, 400-700 µm, red, finely papillose, rarely with a few narrow slits. Spores 9-13(-19) µm, granulose or nearly smooth.
license
cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 27: 207, 209, 211, 225 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
original
visit source
partner site
eFloras

Synonym

provided by eFloras
Grimmia trichodon Bridel, Bryol. Univ. 1: 171. 1826
license
cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 27: 207, 209, 211, 225 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
original
visit source
partner site
eFloras