Difference between revisions of "Pseudocrossidium replicatum"
Phytologia 44: 206. 1979,.
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|name=Barbula replicata | |name=Barbula replicata | ||
|authority=Taylor | |authority=Taylor | ||
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|publication_title=London J. Bot. | |publication_title=London J. Bot. | ||
|publication_place=5: 49, plate 15, fig. c. 1846 | |publication_place=5: 49, plate 15, fig. c. 1846 | ||
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|name=Barbula spiralis | |name=Barbula spiralis | ||
|authority=Müller Hal. | |authority=Müller Hal. | ||
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}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Tortula spiralis | |name=Tortula spiralis | ||
|authority=(Müller Hal.) Mitten | |authority=(Müller Hal.) Mitten | ||
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}} | }} | ||
|hierarchy=Pottiaceae;Pottiaceae subfam. Barbuloideae;Pseudocrossidium;Pseudocrossidium replicatum | |hierarchy=Pottiaceae;Pottiaceae subfam. Barbuloideae;Pseudocrossidium;Pseudocrossidium replicatum | ||
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name=Pseudocrossidium replicatum | name=Pseudocrossidium replicatum | ||
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|authority=(Taylor) R. H. Zander | |authority=(Taylor) R. H. Zander | ||
|rank=species | |rank=species | ||
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|publication year= | |publication year= | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V27/V27_819.xml |
|subfamily=Pottiaceae subfam. Barbuloideae | |subfamily=Pottiaceae subfam. Barbuloideae | ||
|genus=Pseudocrossidium | |genus=Pseudocrossidium | ||
Latest revision as of 21:28, 5 November 2020
Stems to 1.5 cm. Stem leaves ovate-ligulate to ovate-lanceolate, 1–2 mm, distal margins usually twice revolute; apex rounded-obtuse; costa ending in an apiculus or short mucro, rarely long-mucronate or short-awned, adaxial surface of costa at mid leaf concave, with (4–)6 guide cells; distal laminal cells 8–10 µm wide, 1:1. Specialized asexual reproduction absent. [Perichaetial leaves weakly differentiated, elliptical.] Sporophytes not seen.
Habitat: Soil, limy shale, boulders, lava, canyons, shady banks, bluffs
Elevation: moderate elevations (900-1600 m)
Distribution
Ariz., N.Mex., Tex., Mexico, South America, Africa (Kenya).
Discussion
Pseudocrossidium replicatum is distinguishable from P. crinitum by its usually apiculate apex, twice-revolute leaf margins—these enclosing thin-walled cells, and smaller distal laminal cells, these strongly bulging on both sides though this obscured by dense papillae. It is quite similar to Tortula atrovirens, the basis for an erroneous report of that species from Colorado by W. A. Weber (1973), but differs by its crescent-shaped costal section (rounded in the latter species) and thin-walled leaf marginal cells. Pseudocrossidium replicatum is characteristic of the Latin American cordillera and arid Mexico reaching north to the western United States.
Selected References
None.