Difference between revisions of "Heterocladium dimorphum"
in P. Bruch and W. P. Schimper, Bryol. Europ. 5: 153. 1852.
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|accepted_name=Heterocladium dimorphum | |accepted_name=Heterocladium dimorphum | ||
| − | |accepted_authority=(Bridel) | + | |accepted_authority=(Bridel) Schimper |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in P. Bruch and W. P. Schimper, Bryol. Europ. | |title=in P. Bruch and W. P. Schimper, Bryol. Europ. | ||
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|special_status={{Treatment/ID/Special_status | |special_status={{Treatment/ID/Special_status | ||
|code=F | |code=F | ||
| − | |label= | + | |label=Illustrated |
}} | }} | ||
|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
|name=Hypnum dimorphum | |name=Hypnum dimorphum | ||
|authority=Bridel | |authority=Bridel | ||
| + | |rank=species | ||
|publication_title=Muscol. Recent., suppl. | |publication_title=Muscol. Recent., suppl. | ||
|publication_place=2: 149. 1812 | |publication_place=2: 149. 1812 | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Heterocladium dimorphum | name=Heterocladium dimorphum | ||
| − | + | |authority=(Bridel) Schimper | |
| − | |authority=(Bridel) | ||
|rank=species | |rank=species | ||
|parent rank=genus | |parent rank=genus | ||
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|publication title=in P. Bruch and W. P. Schimper, Bryol. Europ. | |publication title=in P. Bruch and W. P. Schimper, Bryol. Europ. | ||
|publication year=1852 | |publication year=1852 | ||
| − | |special status= | + | |special status=Illustrated |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V28/V28_581.xml |
|genus=Heterocladium | |genus=Heterocladium | ||
|species=Heterocladium dimorphum | |species=Heterocladium dimorphum | ||
Latest revision as of 21:36, 5 November 2020
Stems with epidermal cells smooth. Leaves spreading to erect-appressed when dry, erect-spreading when moist; stem leaves to 1 mm; margins serrate to serrulate; apex acute; costa usually double and short to just below mid leaf; laminal cells papillose, papillae 1 at distal ends; basal cells smooth.
Habitat: Rock, soil, humus
Elevation: low to high elevations
Distribution
B.C., N.B., Nfld. and Labr., N.S., Ont., P.E.I., Que., Alaska, Calif., Maine, Mich., Mont., N.H., Oreg., S.Dak., Wash., Wyo., South America, Europe.
Discussion
The laminal cells of Heterocladium dimorphum are best described as prorate rather than papillose, as the papillae are at the distal ends. The prorae are much more difficult to distinguish than the papillae of H. macounii but are most clearly present and observable along the leaf margins. The stem and branch leaves also exhibit a distinct area of elongate cells in the proximal portion of the leaf around the costa extending to the insertion. These cells are smooth and larger than the quadrate laminal cells toward the margin and in the distal portion of the leaf.
Selected References
None.