Bryophytes (Mosses, Liverworts, and Hornworts) • Earth.com

Micromitrium Moss

(Micromitrium tenerum)

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Description

Plants scattered or gregarious in sparse remnants of protonemata, pale to bright green. Stems usually absent, but rarely to 1 mm. Leaves spreading proximally, distally erect and lanceolate to ovate, obovate or ligulate, broadly to slenderly acuminate, less than 2.4 - 0.5 mm, margins plane, entire proximally, distally entire to serrulate. Sexual condition synoicous or dioicous. Capsule dehiscing by a somewhat indistinct ring of cells distal to the equator, orange-brown to black, - globose with a barely discernable apiculus or with a dome-shaped apical cell; exothecial cells in 1 layer, stomates none. Spores about 100, reniform to globose, with or without a concave proximal face, 27-45 - 20-37 -m, orange-brown to brown or black.

Taxonomic tree:

Domain:
Kingdom: Plantae
Phylum: Bryophyta
Class: Bryopsida
Order:Funariales
Family:Ephemeraceae
Genus:Micromitrium
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