Difference between revisions of "Pohlia columbica"
in A. J. Grout, Moss Fl. N. Amer. 2: 202. 1935.
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}}{{Treatment/ID/Special_status | }}{{Treatment/ID/Special_status | ||
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|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
|name=Webera columbica | |name=Webera columbica | ||
|authority=Kindberg | |authority=Kindberg | ||
| + | |rank=species | ||
|publication_title=in J. Macoun and N. C. Kindberg, Cat. Canad. Pl., Musci, | |publication_title=in J. Macoun and N. C. Kindberg, Cat. Canad. Pl., Musci, | ||
|publication_place=115. 1892 | |publication_place=115. 1892 | ||
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name=Pohlia columbica | name=Pohlia columbica | ||
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|authority=(Kindberg) A. L. Andrews in A. J. Grout | |authority=(Kindberg) A. L. Andrews in A. J. Grout | ||
|rank=species | |rank=species | ||
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|publication title=in A. J. Grout, Moss Fl. N. Amer. | |publication title=in A. J. Grout, Moss Fl. N. Amer. | ||
|publication year=1935 | |publication year=1935 | ||
| − | |special status=Endemic; | + | |special status=Endemic;Illustrated |
| − | |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/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V28/V28_337.xml |
|genus=Pohlia | |genus=Pohlia | ||
|species=Pohlia columbica | |species=Pohlia columbica | ||
Revision as of 21:13, 16 December 2019
Plants small to medium-sized, green to reddish, dull. Stems 0.4–1.5 cm, green to pale orange or pink. Leaves erect-spreading to spreading, narrowly lanceolate to lanceolate, 1.2–2.5 mm; base not or scarcely decurrent; margins serrate in distal 1/3; costa subpercurrent; distal medial laminal cells linear-hexagonal, 85–150 µm, walls thin. Specialized asexual reproduction absent. Sexual condition dioicous; perigonial leaves to 3 mm; perichaetial leaves ± differentiated, lanceolate to linear-lanceolate. Seta orange-brown. Capsule inclined 145–180°, brown to stramineous, short-pyriform to urceolate, neck less than 1/3 urn length; exothecial cells isodiametric, walls sinuate; stomata immersed; annulus absent; operculum short- to long-conic; exostome teeth yellow to yellow-brown, triangular-acute; endostome hyaline, basal membrane 1/2 exostome length or slightly longer, segments tapered apically, distinctly keeled, broadly perforate, cilia long and nodulose, or short. Spores 13–18 µm, finely roughened.
Phenology: Capsules mature spring (May–Jul).
Habitat: Disturbed soil, along streams
Elevation: low elevations
Distribution
B.C., Alaska, Wash.
Discussion
Pohlia columbica is a very rare and poorly known species characterized by dull reddish plants, variably long-acuminate perigonial leaves, pale yellow-brown exostome teeth, and immersed stomata. The exothecial cell walls of capsules of this species are somewhat collenchymatous; the perichaetial leaves are 3 mm long.
Selected References
None.