familyPteridaceae
genusPellaea
speciesPellaea ternifolia
subspeciesPellaea ternifolia subsp. ternifolia
Difference between revisions of "Pellaea ternifolia subsp. ternifolia"
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Revision as of 18:56, 24 September 2019
Petiole grooved or flattened adaxially in distal portion; rachis glabrous or with a few widely scattered hairs; pinnae completely glabrous; largest ultimate segments (excluding terminal pinnae) usually less than 18 mm; spores usually 39–45 µm diam. 2n = 58.
Phenology: Sporulating summer–fall.
Habitat: Rocky slopes and ledges on igneous substrates
Elevation: 2200–2600 m
Distribution
Tex., Mexico, Central America, South America, Pacific Islands (Hawaii).
Discussion
In the flora, this subspecies is known only from the Chisos Mountains in western Texas.
Selected References
None.
Lower Taxa
None.