Poa cusickii subsp. pallida

Poa cusickii — parent species of Poa cusickii subsp. pallida

Photo: parent species Poa cusickii · (c) Trevor Van Loon, some rights reserved (CC BY) · licence

Family: Poaceae · Type: Grass · Native

Poa cusickii subsp. pallida is a native California grass in the Poaceae family.

Cusick's pale bluegrass is a native perennial found in central Sierra Nevada and White and Inyo Mountains in high montane to lower alpine dry meadows and ridges at elevations of 2,000 to 3,500 meters. Flowering from July to August, this grass produces delicate inflorescences with dense, stout branches 3 to 5 centimeters long that are obviously scabrous. Growing with dense basal tufts and stems reaching moderate heights, it develops compact clusters with appressed branches. Its leaves form dense basal clusters with sheaths open along half to four-fifths of their length, featuring barely exposed nodes. The plant reproduces asexually, with lemmas 5 to 6.5 millimeters long and typically glabrous or smoothly textured.

Identification and appearance

Key characters: Geographically isolated subspecies with no sympatric species

Habitat and range

Habitat: Uncommon. High montane to lower alpine dry meadows, ridges

Elevation: 2000-3500 m

California counties: Inyo, Mono, Lassen

Outside California: western Canada, North Dakota, Colorado

Bloom period

Poa cusickii subsp. pallida blooms Jul-Aug.

How to tell it apart

vs Festuca: Poa has boat-shaped, keeled leaf tips; Festuca leaves are flat or rolled but never keeled like a ship's prow.; vs Melica: Poa has fine, narrow leaves with boat-shaped tips; Melica has wider, flat leaves without the distinctive keel.; vs Nassella: Poa leaves have boat-shaped tips you can feel; Nassella leaves roll inward and lack the keel.; vs Koeleria: Poa has cobwebby hairs at seed base and keeled leaf tips; Koeleria lacks both features.; vs Holcus: Poa has boat-shaped leaf tips; Holcus leaves are flat and soft-hairy without any keel.

Frequently asked questions

Is Poa cusickii subsp. pallida native to California?

Yes. Poa cusickii subsp. pallida is native to California (recorded as native).

When does Poa cusickii subsp. pallida bloom?

Poa cusickii subsp. pallida blooms Jul-Aug.

Where in California does Poa cusickii subsp. pallida grow?

Poa cusickii subsp. pallida occurs in Inyo, Mono, Lassen, at elevations of 2000-3500 m.

What plant family does Poa cusickii subsp. pallida belong to?

Poa cusickii subsp. pallida is in the Poaceae family, genus Poa.

What habitat does Poa cusickii subsp. pallida grow in?

Poa cusickii subsp. pallida grows in Uncommon. High montane to lower alpine dry meadows, ridges.

Related species

Other California species in the same genus, family, or bioregion.

All Poa species · All Poaceae

Sources: Jepson eFlora · Index of California Plant Names · CalPhotos

Last updated 2026-10-07

Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Cal-IPC, and more.