Pellaea ternifolia subsp. villosa

Windham

Contr. Univ. Michigan Herb. 19: 43. 1993.

Treatment appears in FNA Volume 2.

Petiole rounded or slightly flattened adaxially in distal portion; rachis villous, especially in axils of pinnae; pinnae with hairs scattered along main veins abaxially; largest ultimate segments (excluding terminal pinnae) usually more than 18 mm; spores averaging 46–53 µm diam. 2n = 116.


Phenology: Sporulating summer–fall.
Habitat: Rocky slopes and ledges, on igneous substrates
Elevation: 2300–2700 m

Discussion

The only record of Pellaea ternifolia subsp. villosa from the flora is provided by a single plant collected in the Davis Mountains of western Texas.

Selected References

None.

Lower Taxa

None.