Schistidium atrofuscum (Schimp.) Limpr.

Species

Bryophytes > Grimmiales > Grimmiaceae > Schistidium

Characteristics

Plants in compact cushions or tufts, dark brown(-olivaceous) or near black. Stems 0.6-2.5 cm, central strand distinct. Leaves usually erect, occasionally slightly curved, sometimes towards stem when dry, ovate-triangular to ovate-lanceolate, moderately keeled distally, 1.2-2.1 mm, with 2-stratose patches or striae or 2-stratose distally; margins weakly recurved to just before the apex, distal half often plane, proximally often more broadly recurved on one side of leaf, 2-or 3-stratose; apices obtuse or sub-acute; costa sub-percurrent or percurrent, rarely excurrent as a tiny awn, smooth; basal marginal cells quadrate with transverse walls sometimes thicker than longitudinal walls; distal laminal cells usually rounded or short-rectangular, 6-9 µm wide, smooth, weakly sinuose. Sexual condition autoicous. Capsule orange-or red-brown, often yellowish, short cylindric or cupulate, 0.75-1 mm; exothecial cells primarily elongate mixed with patches of irregularly angular isodiametric cells, walls sometimes unevenly thickened and curved; stomata absent; peristome patent, very short, 30-100 µm, or rudimentary, orange or orange-red, densely papillose, strongly perforated and unevenly margined. Spores 11-15(-19) µm, granulose or smooth.
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Foliage retention deciduous
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Identifiers

LSID 35149219
WFO ID wfo-0001174992
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INPN ID 5401
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Synonyms

Schistidium atrofuscum Grimmia atrofusca Schistidium pulvinatum var. calvum