Difference between revisions of "Aschisma kansanum"
Torreya 15: 63. 1915,.
Treatment appears in FNA Volume 27. Treatment on page 519.
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|distribution=Kans. | |distribution=Kans. | ||
|discussion=<p>Of conservation concern.</p><!-- | |discussion=<p>Of conservation concern.</p><!-- | ||
| − | --><p>Aschisma kansanum is endemic to the United States, being restricted to High Plains grassland (Gary L. Smith 1990) in three counties in west-central Kansas. Its persistent protonema and habitat are distinctive. This tiny, very rare species is threatened by over-collecting and grazing.</p> | + | --><p><i>Aschisma kansanum</i> is endemic to the United States, being restricted to High Plains grassland (Gary L. Smith 1990) in three counties in west-central Kansas. Its persistent protonema and habitat are distinctive. This tiny, very rare species is threatened by over-collecting and grazing.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Aschisma kansanum | name=Aschisma kansanum | ||
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|authority=A. L. Andrews | |authority=A. L. Andrews | ||
|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_746.xml |
|subfamily=Pottiaceae subfam. Trichostomoideae | |subfamily=Pottiaceae subfam. Trichostomoideae | ||
|genus=Aschisma | |genus=Aschisma | ||
Latest revision as of 21:28, 5 November 2020
Protonema persistent as a thick green adherent felt. Leaves with strongly bordered and serrulate margins, distal laminal cell strongly bulging, papillae centered over lumens, mucro strongly denticulate. Capsule exothecial cells rectangular, 4–5:1, mostly ca. 13–18 µm wide. Spores 18–20 µm, weakly ornamented.
Phenology: Capsules mature Apr.
Habitat: Usually under translucent rocks in exposed situations
Elevation: moderate elevations
Discussion
Of conservation concern.
Aschisma kansanum is endemic to the United States, being restricted to High Plains grassland (Gary L. Smith 1990) in three counties in west-central Kansas. Its persistent protonema and habitat are distinctive. This tiny, very rare species is threatened by over-collecting and grazing.
Selected References
None.
Lower Taxa
None.