Hedwigidium integrifolium (P.Beauv.) Dixon

Plants medium to large, forming large tufts, yellow-green to yellow-brown; saxicolous or humicolous. Stems suberect to creeping, up to 50 mm long, branches few, irregular; in section round, central strand absent, inner cortical cells large, yellowish, in 3 or 4 rows, outer cortical cells smaller, thick-walled, reddish; axillary hairs few, 3 cells long, basal cell brown; pseudoparaphyllia absent. Leaves crowded, patent wet, appressed dry; elliptical to lanceolate, 1.5-2.5 mm long; acuminate, decurrent at base; margins plane or recurved to above midleaf, entire; ecostate. Upper laminal cells rectangular or quadrate, homogeneous, 8-18 µm long, 5-7 µm wide, walls incrassate, frequently wavy, weakly papillose; papillae low, scattered; basal cells strongly differentiated internally, linear, 35-75 µm long, 5-8 µm wide, reddish yellow, walls incrassate, pitted, smooth; alar cells not strongly differentiated from laminal cells, somewhat larger, quadrate to rectangular, yellow-brown, walls thickened. Perigonial leaves ovate-acuminate, 1 mm long. Perichaetial leaves oblong; acute to acuminate, 3-4 mm long; base sheathing; margins serrulate at midleaf; leaf cells quadrate to short-rectangular and papillose above, linear and smooth below. Seta 0.8-1.0 mm long, brown, smooth. Capsule immersed, erect, gymnostomous, cupulate, 1.5 mm long, weakly ribbed, yellow to brown; neck not differentiated; exothecial cells rounded quadrate, walls thin, cells at mouth darker, quadrate; stomata not seen. Operculum conic-rostrate, beak curved, 0.5 mm long. Calyptra cucullate, 1 mm long, smooth, yellow-brown. Spores rounded angular, 20-25 µm, granulate, brown.