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Published In: The Bryologist 30: 82. 7 f. I–S. 1927. (Bryologist) Name publication detail

Project Name Data (Last Modified On 10/22/2013)
Acceptance : Accepted
Project data     (Last Modified On 10/22/2013)
Distribution: On soil at moderate elevations, Chihuahua (83 km N of Creel on Hwy 16, Bowers et al. 5423-a, BUF, TENN). - Northwestern Mexico and southwestern United States.
Discussion: This species is intermediate between W. controversa and W. condensa.
Reference Source:


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Plants green above, brown below. Stems up to 3 mm long. Leaves 1.5-2.5 mm long, oblong-lanceolate, broadly acute, slightly cucullate; margins erect to incurved; costa with cells of the ventral epidermis quadrate to short-rectangular and papillose, those of the dorsal epidermis elongate and smooth to weakly papillose; upper cells in longitudinal rows, 10-13 µm, evenly thick-walled, bulging on both surfaces and with 2-4 bifid papillae on both surfaces; basal cells differentiated across the leaf and reaching somewhat higher along the margins, up to 15 µm wide, thin- to evenly thick-walled. Autoicous and paroicous. Setae 5.5-6 mm long, yellow-brown, twisted clockwise; capsules 0.8-1.1 mm long, ovoid to short-cylindric, brown or yellow-brown; exothecial cells 1-2-layered, rectangular-rhomboidal, 20-35 µm wide and 1-3:1, thin-walled; annulus of 1-2 layers of cells; operculum ca. 0.8 mm long, rostrate; peristome rudimentary or consisting of 16 ligulate to truncate teeth up to 70 µm long, yellow-orange, papillose to spirally ridged, up to 8-jointed. Spores brown, papillose, 15-20(-23) µm.


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