Difference between revisions of "Scorpidium cossonii"
Lindbergia 15: 18. 1989.
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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 cossonii | |name=Hypnum cossonii | ||
|authority=Schimper | |authority=Schimper | ||
| + | |rank=species | ||
|publication_title=Musci Eur. Nov. | |publication_title=Musci Eur. Nov. | ||
|publication_place=3–4(Hypnum): 5, plate 5. 1866 (as cossoni) | |publication_place=3–4(Hypnum): 5, plate 5. 1866 (as cossoni) | ||
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| − | |||
| − | |||
| − | |||
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}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Drepanocladus intermedius | |name=Drepanocladus intermedius | ||
|authority=(Lindberg) Warnstorf | |authority=(Lindberg) Warnstorf | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=D. revolvens subsp. intermedius | |name=D. revolvens subsp. intermedius | ||
|authority=(Lindberg) Grout | |authority=(Lindberg) Grout | ||
| + | |rank=subspecies | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=D. revolvens var. intermedius | |name=D. revolvens var. intermedius | ||
|authority=(Lindberg) L. R. Wilson | |authority=(Lindberg) L. R. Wilson | ||
| + | |rank=variety | ||
| + | }} {{Treatment/ID/Synonym | ||
| + | |name=Limprichtia cossonii | ||
| + | |authority=(Schimper) L. E. Anderson, H. A. Crum & W. R. Buck | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Calliergonaceae;Scorpidium;Scorpidium cossonii | |hierarchy=Calliergonaceae;Scorpidium;Scorpidium cossonii | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Scorpidium cossonii | name=Scorpidium cossonii | ||
| − | |||
|authority=(Schimper) Hedenas | |authority=(Schimper) Hedenas | ||
|rank=species | |rank=species | ||
|parent rank=genus | |parent rank=genus | ||
| − | |synonyms=Drepanocladus intermedius;D. revolvens subsp. intermedius;D. revolvens var. intermedius | + | |synonyms=Drepanocladus intermedius;D. revolvens subsp. intermedius;D. revolvens var. intermedius;Limprichtia cossonii |
| − | |basionyms=Hypnum | + | |basionyms=Hypnum cossonii |
|family=Calliergonaceae | |family=Calliergonaceae | ||
|habitat=Calcium-rich soil, bedrock, mountains, calcium-rich fens, springs, water-filled depressions, shores, submerged | |habitat=Calcium-rich soil, bedrock, mountains, calcium-rich fens, springs, water-filled depressions, shores, submerged | ||
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|publication title=Lindbergia | |publication title=Lindbergia | ||
|publication year=1989 | |publication year=1989 | ||
| − | |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_610.xml |
|genus=Scorpidium | |genus=Scorpidium | ||
|species=Scorpidium cossonii | |species=Scorpidium cossonii | ||
Latest revision as of 19:17, 14 December 2022
Plants medium-sized to large (sometimes when submerged), rarely small, not turgid, green, yellow-green, brown, or brown-red. Stems pinnate or sometimes irregularly branched, shoot apices sometimes slightly hooked; hyalodermis well developed, complete. Stem leaves ovate or broadly ovate, gradually or often abruptly narrowed to apex, ± suddenly curved distally, concave, 0.5–1.1 mm wide; apex short- or long-acuminate, often apiculate; costa single, ending beyond mid leaf; alar cells 2–10(–15); medial laminal cells (shorter 1/2 of leaf) 14–95(–120) µm, cell ends square, rounded, or short fusiform-narrowed. Sexual condition dioicous. Capsule with exostome external surface more than 70% dotted basally.
Habitat: Calcium-rich soil, bedrock, mountains, calcium-rich fens, springs, water-filled depressions, shores, submerged
Elevation: low to high elevations (0-3700 m)
Distribution
Greenland, Alta., B.C., Man., Nfld. and Labr. (Nfld.), N.W.T., Nunavut, N.S., Ont., Que., Sask., Yukon, Alaska, Colo., Conn., Ill., Iowa, Maine, Mich., Minn., Mont., N.J., N.Y., Ohio, Vt., Wis., South America, Eurasia, Pacific Islands (New Zealand).
Discussion
Scorpidium cossonii is often confused with S. revolvens or Hamatocaulis vernicosus. From the latter it is easily distinguished by the hyalodermis and usually present central strand of the stem, differentiated hyaline and inflated alar cells of the stem leaves, and nonplicate stem leaves. Scorpidium cossonii differs from S. revolvens in being dioicous (the latter is autoicous) and in having shorter medial laminal cells with square to shortly fusiform-narrowed ends; the cell ends are short to long fusiform-narrowed in the latter. Both species may have red pigment; in such cases S. cossonii is usually brownish red while S. revolvens is mostly blackish or purplish red. Due to variation in both species, especially when herbarium material is also considered, color should be used with care in identifying specimens. Dark purplish plants usually belong to S. revolvens and predominantly green or yellow-green plants with a brown-red costa and/or leaf base belong to S. cossonii.
Selected References
None.