Difference between revisions of "Pellaea glabella subsp. glabella"
Synonyms: Pellaea atropurpurea var. bushii Mackenzie
Treatment appears in FNA Volume 2.
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|name=Pellaea atropurpurea var. bushii | |name=Pellaea atropurpurea var. bushii | ||
|authority=Mackenzie | |authority=Mackenzie | ||
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}} | }} | ||
|hierarchy=Pteridaceae;Pellaea;Pellaea glabella;Pellaea glabella subsp. glabella | |hierarchy=Pteridaceae;Pellaea;Pellaea glabella;Pellaea glabella subsp. glabella | ||
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name=Pellaea glabella subsp. glabella | name=Pellaea glabella subsp. glabella | ||
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|authority=Mettenius ex Kuhn | |authority=Mettenius ex Kuhn | ||
|rank=subspecies | |rank=subspecies | ||
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|publication year= | |publication year= | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V2/V2_766.xml |
|genus=Pellaea | |genus=Pellaea | ||
|species=Pellaea glabella | |species=Pellaea glabella | ||
Revision as of 20:50, 16 December 2019
Some ultimate segments (especially terminal segments) with hairlike scales abaxially near midrib; most sporangia containing 32 spores; spores averaging 60–72 µm diam. n = 2n = 116, apogamous.
Phenology: Sporulating summer–fall.
Habitat: Calcareous cliffs and ledges, usually on limestone substrates
Elevation: 0–1200 m
Distribution
Ont., Que., Ark., Conn., Ill., Ind., Iowa, Kans., Ky., Md., Mass., Mich., Minn., Mo., Nebr., N.Y., Ohio, Okla., Pa., Tenn., Tex., Vt., Va., W.Va., Wis.
Discussion
G. J. Gastony (1988) has shown that this apogamous tetraploid was derived from Pellaea glabella subsp. missouriensis by an autopolyploid increase in chromosome number.
Selected References
None.
Lower Taxa
None.