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Published In: Revue Bryologique, nouvelle série 1: 179. f. 1. 1928. (Rev. Bryol., n.s.) 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 low elevations; Baja California (Isla Angel de la Guarda, Sylber, 1977, MICH). - Mexico; Japan and China.
Discussion: The ligulate leaves, broadest near the base, with plane or erect margins and thick costa, and the small leaf cells are diagnostic. (For further discussion, see Saito, 1975.)
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Plants green above, tan below. Stems up to 2 mm long, lacking a hyaloderm. Leaves 1.5-2 mm long, ± ligulate but widest below the middle, acute to rounded and ± cucullate at the apex; margins plane or erect; costa very strong and not much tapered, with ventral epidermal cells quadrate to short-rectangular and papillose (becoming elongate and smooth toward the apex) and dorsal epidermal cells elongate and smooth; upper cells 5-9 µm, with walls thin to evenly thickened and papillae 4-6, bifid, low, often fused in a capitate group; basal cells differentiated across the leaf, 10-15 µm wide and 3-4:1, thin-walled. Autoicous. Setae 3.5-4.5 mm long, twisted clockwise below and counterclockwise just below the capsule, yellow-brown; capsules ca. 1 mm long, ovoid-cylindric, yellow-brown; exothecial cells rectangular, 30-40 µm wide and 2-3:1, thin-walled; annulus of 2-3 rows of cells; operculum ca. 0.7 mm long, rostrate; peristome teeth 16, long-ligulate, up to 130 µm long, irregularly cleft, spiculose, consisting of 3-4 joints. Spores 13-15 µm, yellow, weakly papillose.

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