Pellaea ternifolia subsp. ternifolia

(Cavanilles) Link
Treatment appears in FNA Volume 2.

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

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.
Michael D. Windham +
(Cavanilles) Link +
Pteris ternifolia +
Tex. +, Mexico +, Central America +, South America +  and Pacific Islands (Hawaii). +
2200–2600 m +
Rocky slopes and ledges on igneous substrates +
Sporulating summer–fall. +
Pellaea ternifolia subsp. ternifolia +
Pellaea ternifolia +
subspecies +