Plants soft or coarse, bright shiny yellow-green, dull yellow-green, bright or dull green, dull olive green with or without rusty mottling, dirty brown, or rarely blackish green. Stems to 15 cm, usually leafy throughout or with shredded bases or denuded in older extremities, unbranched or irregularly branched; hyalodermis as one epidermal layer enclosing cortex, cells inflated, walls thin, hyaline, central strand well developed. Leaves variable among plants, individual stems, or branches, loosely imbricate or spreading, straight or falcate when dry or moist, ovate-lanceolate, lanceolate, infrequently ovate, or rarely broadly ovate, concave, (0.7-)1-1.8 (-2.5) × (0.2-)0.5-0.8(-1.2) mm; margins erect, entire, minutely denticulate to serrulate in apex; apex acute to long-tapering acuminate, obtuse, or blunt; costa variable, usually double and long with one or both arms reaching mid leaf or beyond, almost ecostate, double and short, single to mid leaf or beyond, or single with 1-3 lateral forks; alar cells variable, quadrate, short-rectangular, or sometimes linear, , region not distinct, irregular; basal laminal cells variable, usually wider, variously shorter, longer, or similar to medial cells, ; medial cells fusiform to linear, long-flexuose, (30-)37-83(-120) × (4-)5-6(-8) µm; apical cells shorter; marginal cells shorter toward apex. Sexual condition dioicous; perichaetial inner leaves long-tapering lanceolate, . Seta reddish brown, 1.6-3.1 cm. Capsule with endostome cilia 1-3.
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