Difference between revisions of "Pteridium aquilinum var. pubescens"
Native Ferns ed. 6 91. 1900.
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|name=Pteris aquilina var. pubescens | |name=Pteris aquilina var. pubescens | ||
|authority=(L. Underwood) Clute | |authority=(L. Underwood) Clute | ||
| + | |rank=variety | ||
|publication_title=Fern Bull. | |publication_title=Fern Bull. | ||
|publication_place=8: 37. 1900 | |publication_place=8: 37. 1900 | ||
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name=Pteridium aquilinum var. pubescens | name=Pteridium aquilinum var. pubescens | ||
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|authority=L. Underwood | |authority=L. Underwood | ||
|rank=variety | |rank=variety | ||
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|publication year=1900 | |publication year=1900 | ||
|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_458.xml |
|genus=Pteridium | |genus=Pteridium | ||
|species=Pteridium aquilinum | |species=Pteridium aquilinum | ||
Revision as of 19:48, 16 December 2019
Petiole 10–100 cm. Blade ovate-triangular to nearly pentagonal, 3-pinnate to 3-pinnate-pinnatifid, 30–200 × 15–100 cm; blades, rachises, and costae usually densely covered abaxially with abundant, contorted, lax, spreading hairs. Pinnae (proximal) triangular, distal pinnae oblong; terminal segment of each pinna ca. 4 times longer than wide, longer ultimate segments less than their width apart, ca. 1.5–5 mm wide. Pinnules at nearly 90° angle to costa; fertile ultimate segments adnate or equally decurrent and surcurrent. Outer indusia entire, pilose on margin and surface, hairs like those of axes.
Habitat: In dry to moist woods and open areas in partial to full sun, forming abundant colonies
Elevation: 0–3000 m
Distribution
Alta., B.C., Alaska, Ariz., Calif., Colo., Idaho, Mont., Nev., N.Mex., Oreg., S.Dak., Tex., Utah, Wash., Wyo., Mexico in Baja California, Chihuahua, and Durango.
Discussion
Selected References
None.