Difference between revisions of "Crossidium crassinervium var. crassinervium"
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|name=Crossidium desertorum | |name=Crossidium desertorum | ||
|authority=Holzinger & E. B. Bartram | |authority=Holzinger & E. B. Bartram | ||
| − | }}{{Treatment/ID/Synonym | + | }} {{Treatment/ID/Synonym |
|name=Crossidium erosum | |name=Crossidium erosum | ||
|authority=Holzinger & E. B. Bartram | |authority=Holzinger & E. B. Bartram | ||
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|elevation=moderate to high elevations (500-1700 m) | |elevation=moderate to high elevations (500-1700 m) | ||
|distribution=Ariz.;N.Mex.;Tex.;Utah;Mexico;Europe;Asia (China;India);n Africa;Atlantic Islands (Canary Islands). | |distribution=Ariz.;N.Mex.;Tex.;Utah;Mexico;Europe;Asia (China;India);n Africa;Atlantic Islands (Canary Islands). | ||
| − | |discussion=<p>Crossidium crassinervium is characterized by the smooth-walled leaf cells and long, thin-walled filaments with cylindric to conic terminal cells. Papillae are present on the apex of the terminal cell and, occasionally, on the distal leaf cells.</p> | + | |discussion=<p><i>Crossidium crassinervium</i> is characterized by the smooth-walled leaf cells and long, thin-walled filaments with cylindric to conic terminal cells. Papillae are present on the apex of the terminal cell and, occasionally, on the distal leaf cells.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year= | |publication year= | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V27/V27_889.xml |
|subfamily=Pottiaceae subfam. Pottioideae | |subfamily=Pottiaceae subfam. Pottioideae | ||
|genus=Crossidium | |genus=Crossidium | ||
Revision as of 16:58, 18 September 2019
Plants 1–5 mm. Leaves lanceolate, lingulate to lingulate-ovate, 0.5–1.3 mm, margins recurved to revolute from near apex to near base, apex obtuse, rounded or emarginate, piliferous; costa excurrent, with an abaxial epidermis, filaments 2–12 cells, cells cylindric, thin-walled, with 2–4 hollow papillae on apical cell, terminal cell cylindric or conic; cells of leaf base 7–58 µm, medial and distal cells 7–22 µm, smooth. Sexual condition dioicous or cladautoicous. Seta 6–13 mm. Capsule urn ovoid-cylindric, 0.9–2.2 mm; operculum 0.6–1 mm; peristome strongly twisted, 400–900 µm. Spores spheric, nearly smooth to conspicuously papillose, 9–15 µm.
Phenology: Capsule mature Dec–Jul.
Habitat: Soil and rocks, on banks and dry washes, under shrubs in desert areas
Elevation: moderate to high elevations (500-1700 m)
Distribution
Ariz., N.Mex., Tex., Utah, Mexico, Europe, Asia (China, India), n Africa, Atlantic Islands (Canary Islands).
Discussion
Crossidium crassinervium is characterized by the smooth-walled leaf cells and long, thin-walled filaments with cylindric to conic terminal cells. Papillae are present on the apex of the terminal cell and, occasionally, on the distal leaf cells.
Selected References
None.