Amblystegium
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Authority
Sharp, Aaron J., et al. 1994. The Moss Flora of Mexico. Part Two: Orthotrichales to Polytrichales. Mem. New York Bot. Gard. 69 (2)
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Family
Amblystegiaceae
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Scientific Name
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Description
Genus Description - Plants small and slender, in thin, dull, green, yellowish, or brownish mats, often in wet places. Stems creeping, irregularly branched. Leaves small, erect- to wide-spreading when moist, ovate or lanceolate, gradually to rather abmptly acuminate; margins plane, entire or ± sermlate; costa rather slender, ending at or above the leaf middle, sometimes disappearing in the acumen; cells thin- or firm-walled, smooth, oblong-rhombic or oblong-hexagonal, those at the base somewhat longer, the alar cells subquadrate to short-rectangular in small, poorly marked groups. Autoicous. Perichaetial leaves erect, lance-acuminate, weakly plicate.
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Discussion
The plants, often in swampy habitats, are small and slender. The leaves are short-celled, and the single costa is relatively slender and often rather short. Hygroamblystegium differs, above all, in having a longer, stouter costa.