familyPteridaceae
genusPellaea
speciesPellaea ternifolia
subspeciesPellaea ternifolia subsp. ternifolia
Difference between revisions of "Pellaea ternifolia subsp. ternifolia"
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Revision as of 22:13, 27 May 2020
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
![V2 465-distribution-map.gif](/w/images/9/9a/V2_465-distribution-map.gif)
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.