Difference between revisions of "Micromitrium megalosporum"
Musci Appalach., 11. 1870,.
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| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Ephemerum megalosporum | |name=Ephemerum megalosporum | ||
|authority=(Austin) E. S. Salmon | |authority=(Austin) E. S. Salmon | ||
| + | |rank=species | ||
| + | |publication_title=J. Linn. Soc., Bot. | ||
| + | |publication_place=34: 166. 1899 | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Nanomitrium megalosporum | |name=Nanomitrium megalosporum | ||
|authority=(Austin) E. Britton | |authority=(Austin) E. Britton | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Ephemeraceae;Micromitrium;Micromitrium megalosporum | |hierarchy=Ephemeraceae;Micromitrium;Micromitrium megalosporum | ||
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name=Micromitrium megalosporum | name=Micromitrium megalosporum | ||
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|authority=Austin | |authority=Austin | ||
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| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V27/V27_956.xml |
|genus=Micromitrium | |genus=Micromitrium | ||
|species=Micromitrium megalosporum | |species=Micromitrium megalosporum | ||
Latest revision as of 21:29, 5 November 2020
Plants scattered or gregarious in usually sparse protonemata, yellow-green to orange-brown. Stems less than 0.2 mm. Leaves erect or spreading, broadly ovate-lanceolate and somewhat clasping at base, acuminate, 0.5–1.1 × 0.14–0.43 mm, margins usually ± incurved beyond the middle, entire proximally and distally entire to serrulate. Sexual condition synoicous. Capsule cleistocarpous or rarely dehiscing by a ring of differentiated cells distal to the equator, orange-brown, globose or slightly flattened, rarely broadly ovoid, with a short, broad apiculus; exothecial cells in 2 layers, stomates confined to distal half, sometimes absent. Spores fewer than 100, various shapes, proximal face only rarely concave, 55–83 × 37–67 µm, orange-brown.
Phenology: Capsules mature summer–winter, with some capsules persisting through spring with leaves intact or eroded.
Habitat: In sun or partial shade, unfertilized bare soil, sparsely vegetated turf
Elevation: low to moderate elevations (0-700 m)
Distribution
Ark., Conn., Fla., Ga., La., Maine, Md., Mich., Miss., Mo., N.J., N.C., Pa., Wis., West Indies (Cuba), e Asia (Japan), Africa (Cameroon).
Discussion
Selected References
None.