familySelaginellaceae
genusSelaginella
speciesSelaginella arenicola
subspeciesSelaginella arenicola subsp. riddellii
Difference between revisions of "Selaginella arenicola subsp. riddellii"
Ann. Missouri Bot. Gard. 42: 24. 1955.
Common names: Riddell's spike-moss
Basionym: Selaginella riddellii unknown
Treatment appears in FNA Volume 2.
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Leaves </b>(aerial stems) usually loosely appressed; base often glabrescent. <b>Strobili</b> sometimes with apical vegetative growth, not distinctly larger than subtending stem. <b>Sporophylls</b> usually not abruptly tapering toward apex; apex straight.</span><!-- |
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|genus=Selaginella | |genus=Selaginella | ||
|subgenus=Selaginella subg. Tetragonostachys | |subgenus=Selaginella subg. Tetragonostachys | ||
|species=Selaginella arenicola | |species=Selaginella arenicola | ||
|subspecies=Selaginella arenicola subsp. riddellii | |subspecies=Selaginella arenicola subsp. riddellii | ||
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Revision as of 14:18, 27 July 2019
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
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.