Difference between revisions of "Crossidium squamiferum"
Laubm.-Fl. Oesterr.-Ung., 127. 1882 (as squamigerum),.
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|name=Barbula squamifera | |name=Barbula squamifera | ||
|authority=Viviani | |authority=Viviani | ||
| + | |rank=species | ||
|publication_title=Ann. Bot. (Genoa) | |publication_title=Ann. Bot. (Genoa) | ||
|publication_place=1(2): 191. 1804 | |publication_place=1(2): 191. 1804 | ||
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|name=Tortula squamifera | |name=Tortula squamifera | ||
|authority=(Viviani) De Notaris | |authority=(Viviani) De Notaris | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Pottiaceae;Pottiaceae subfam. Pottioideae;Crossidium;Crossidium squamiferum | |hierarchy=Pottiaceae;Pottiaceae subfam. Pottioideae;Crossidium;Crossidium squamiferum | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Crossidium squamiferum | name=Crossidium squamiferum | ||
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|authority=(Viviani) Juratzka | |authority=(Viviani) Juratzka | ||
|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_890.xml |
|subfamily=Pottiaceae subfam. Pottioideae | |subfamily=Pottiaceae subfam. Pottioideae | ||
|genus=Crossidium | |genus=Crossidium | ||
Latest revision as of 21:29, 5 November 2020
Plants 6–10 mm. Leaves deltoid-ovate, oblong-ovate or lanceolate, 0.6–2 mm, margins recurved to erect distally, usually undifferentiated, apex obtuse or rounded, serrulate, with abaxial papillae, piliferous; costa excurrent, with an inconspicuous abaxial epidermis, filaments of 4–10 cells, cells cylindric to subspheric, [thick-walled], terminal cell rectangular, subspheric or conic with 2–5 solid papillae; cells of leaf base 11–70 µm, medial and distal cells 9–33 µm, smooth, thick-walled. Sexual condition gonioautoicous. Seta 5–20 mm. Capsule urn short-cylindric to ovoid-cylindric, 1–2.7 mm; operculum 0.6–1.1 mm; peristome short, nearly straight, cribose at base to long and strongly twisted, 198–1160 µm. Spores spheric, 9–22 µm.
Distribution
North America, nw Mexico, Europe, Asia (India), n Africa, Atlantic Islands (Canary Islands).
Discussion
Varieties 2 (2 in the flora).
Selected References
None.
Key
| 1 | Capsule ovoid-cylindric with a long and twisted peristome; operculum long-rostrate | Crossidium squamiferum var. squamiferum |
| 1 | Capsule cylindric with a short, cribrose peristome; operculum conic | Crossidium squamiferum var. pottioideum |