Difference between revisions of "Selaginella arenicola subsp. riddellii"

(Van Eseltine) R. M. Tryon

Ann. Missouri Bot. Gard. 42: 24. 1955.

Common names: Riddell's spike-moss
Endemic
Basionym: Selaginella riddellii Contr. U.S. Natl. Herb. 20: 162. 1918
Treatment appears in FNA Volume 2.
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|common_names=Riddell's spike-moss
 
|common_names=Riddell's spike-moss
|basionyms={{Treatment/ID/Synonym
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|special_status={{Treatment/ID/Special_status
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|code=E
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|label=Endemic
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}}
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|basionyms={{Treatment/ID/Basionym
 
|name=Selaginella riddellii
 
|name=Selaginella riddellii
|authority=unknown
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|authority=
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|rank=species
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|publication_title=Contr. U.S. Natl. Herb.
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|publication_place=20: 162. 1918
 
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name=Selaginella arenicola subsp. riddellii
 
name=Selaginella arenicola subsp. riddellii
|author=
 
 
|authority=(Van Eseltine) R. M. Tryon
 
|authority=(Van Eseltine) R. M. Tryon
 
|rank=subspecies
 
|rank=subspecies
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|publication title=Ann. Missouri Bot. Gard.
 
|publication title=Ann. Missouri Bot. Gard.
 
|publication year=1955
 
|publication year=1955
|special status=
+
|special status=Endemic
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V2/V2_355.xml
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V2/V2_355.xml
 
|genus=Selaginella
 
|genus=Selaginella
 
|subgenus=Selaginella subg. Tetragonostachys
 
|subgenus=Selaginella subg. Tetragonostachys

Latest revision as of 20:22, 5 November 2020

Leaves (aerial stems) usually loosely appressed; base often glabrescent. Strobili sometimes with apical vegetative growth, not distinctly larger than subtending stem. Sporophylls usually not abruptly tapering toward apex; apex straight.


Habitat: Mostly on granite outcrops, granite boulders, or gravelly or sandy soil
Elevation: 0–200 m

Distribution

V2 355-distribution-map.gif

Ala., Ark., Ga., La., Okla., Tex.

Discussion

The specimens of Selaginella arenicola subsp. riddellii from Texas are more constant in their morphologic characteristics and thus more easily separated from subsp. arenicola.

Selected References

None.

Lower Taxa

None.
Iván A. Valdespino +
(Van Eseltine) R. M. Tryon +
Selaginella riddellii +
Riddell's spike-moss +
Ala. +, Ark. +, Ga. +, La. +, Okla. +  and Tex. +
0–200 m +
Mostly on granite outcrops, granite boulders, or gravelly or sandy soil +
Ann. Missouri Bot. Gard. +
Selaginella arenicola subsp. riddellii +
Selaginella arenicola +
subspecies +