Pseudosymblepharis guatemalensis (Bartr.) Allen, comb. nov.

Tortella guatemalensis Bartr., Bryologist 49: 113. 1946. Protologue: Guatemala. Dept. Retalhuleu: Standley 88397 (F). 

Plants small to medium-sized, dull yellow-green to dark-green, in tufts or cushions, 5–15 mm high. Stems red, sparsely and irregularly branched, hyalodermis present, central strand weakly developed; rhizoids moderately developed below, reddish brown, smooth. Leaves 5–7 mm long, linear-lanceolate, erect to erect-appressed at base, incurved, spirally twisted and contorted, tubulose above when dry, spreading when wet; apices acute to obtuse, sharply mucronate; laminae fragile and often broken or eroded above; margins entire and plane; costa short and stoutly excurrent, with guide cells and two well-developed stereid bands, ventral surface layer enlarged; upper cells subquadrate to short-rectangular, 5–10 μm long, firm-walled, pluripapillose, basal cells rectangular, thin-walled, enlarged, bulging, hyaline, smooth, 25–50 m x 12–20 μm, outer basal cells running up the margins somewhat, forming a weak v-shaped pattern. Setae 1 per perichaetium, elongate, smooth, spirally twisted, 7 mm long, yellow, becoming red with age. Capsules narrowly cylindrical, 1.5–2 mm long, smooth to lightly wrinkled when dry; stomata in neck; opercula erect-rostrate, 1 mm long; annuli well-developed; peristome teeth 16, short, erect to weakly twisted, papillose. Spores 10–15 μm, lightly roughened. Calyptrae smooth, 4 mm long.