Difference between revisions of "Symphyotrichum laeve var. geyeri"
Phytologia 77: 284. 1995.
Common names: Geyer’s aster
Basionym: Aster laevis var. geyeri A. Gray in A. Gray et al., Syn. Fl. N. Amer. 1(2): 183. 1884
Synonyms: Aster geyeri (A. Gray) Howell Aster laevis subsp. geyeri (A. Gray) Piper Aster laevis var. guadalupensis A. G. Jones
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|name=Aster laevis var. geyeri | |name=Aster laevis var. geyeri | ||
|authority=A. Gray | |authority=A. Gray | ||
| + | |rank=variety | ||
|publication_title=in A. Gray et al., Syn. Fl. N. Amer. | |publication_title=in A. Gray et al., Syn. Fl. N. Amer. | ||
|publication_place=1(2): 183. 1884 | |publication_place=1(2): 183. 1884 | ||
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|name=Aster geyeri | |name=Aster geyeri | ||
|authority=(A. Gray) Howell | |authority=(A. Gray) Howell | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Aster laevis subsp. geyeri | |name=Aster laevis subsp. geyeri | ||
|authority=(A. Gray) Piper | |authority=(A. Gray) Piper | ||
| + | |rank=subspecies | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Aster laevis var. guadalupensis | |name=Aster laevis var. guadalupensis | ||
|authority=A. G. Jones | |authority=A. G. Jones | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Asteraceae;Asteraceae tribe Astereae;Symphyotrichum;Symphyotrichum subg. Symphyotrichum;Symphyotrichum sect. Symphyotrichum;Symphyotrichum laeve;Symphyotrichum laeve var. geyeri | |hierarchy=Asteraceae;Asteraceae tribe Astereae;Symphyotrichum;Symphyotrichum subg. Symphyotrichum;Symphyotrichum sect. Symphyotrichum;Symphyotrichum laeve;Symphyotrichum laeve var. geyeri | ||
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|elevation=300–2400 m | |elevation=300–2400 m | ||
|distribution=Alta.;B.C.;Man.;Ont.;Sask.;Yukon;Calif.;Colo.;Idaho;Mont.;Nebr.;Nev. ;N.Mex.;N.Dak.;S.Dak.;Tex.;Utah;Wash.;Wyo.;Mexico (Coahuila). | |distribution=Alta.;B.C.;Man.;Ont.;Sask.;Yukon;Calif.;Colo.;Idaho;Mont.;Nebr.;Nev. ;N.Mex.;N.Dak.;S.Dak.;Tex.;Utah;Wash.;Wyo.;Mexico (Coahuila). | ||
| − | |discussion=<p>The distribution of < | + | |discussion=<p>The distribution of <i></i>var.<i> geyeri</i> forms a continuous arc across the Canadian mixed-grass prairies and aspen parkland into the Northern Rockies, and south in a discontinuous manner in the Central Rockies and the Black Hills, to Guadalupe Peak, western Texas. It is disjunct in northern Coahuila, Mexico (G. L. Nesom 1993g). The species was recently reported for California (tentatively assigned to this variety), where possibly it has been introduced.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Symphyotrichum laeve var. geyeri | name=Symphyotrichum laeve var. geyeri | ||
| − | |||
|authority=(A. Gray) G. L. Nesom | |authority=(A. Gray) G. L. Nesom | ||
|rank=variety | |rank=variety | ||
| Line 62: | Line 65: | ||
|publication year=1995 | |publication year=1995 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V20_1135.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Symphyotrichum | |genus=Symphyotrichum | ||
Latest revision as of 20:58, 5 November 2020
Leaves lanceolate to ovate, conspicuously auriculate-clasping, less than 5 times as long as wide. Phyllaries unequal, apical green zones lanceolate. 2n = 48.
Phenology: Flowering (Jul–)Aug–Oct.
Habitat: Open, dry habitats, mixed- and tallgrass prairies, open pine forests, montane meadows, edges of aspen groves, edges of montane forests, clearings, roadsides
Elevation: 300–2400 m
Distribution
Alta., B.C., Man., Ont., Sask., Yukon, Calif., Colo., Idaho, Mont., Nebr., Nev., N.Mex., N.Dak., S.Dak., Tex., Utah, Wash., Wyo., Mexico (Coahuila).
Discussion
The distribution of var. geyeri forms a continuous arc across the Canadian mixed-grass prairies and aspen parkland into the Northern Rockies, and south in a discontinuous manner in the Central Rockies and the Black Hills, to Guadalupe Peak, western Texas. It is disjunct in northern Coahuila, Mexico (G. L. Nesom 1993g). The species was recently reported for California (tentatively assigned to this variety), where possibly it has been introduced.
Selected References
None.
Lower Taxa
None.
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