Agrostis oregonensis

Oregon redtop, Oregon Redtop

Family: Poaceae · Type: perennial · Native

Oregon redtop is a California native perennial grass found in the Klamath Ranges, northern Coast Ranges, Cascade Range, Sierra Nevada, San Bernardino Mountains, and San Jacinto Mountains in moist areas, meadows, and streambanks at elevations below 2,400 meters. Flowering from June to July, this grass produces delicate, open panicles with thread-like branches and small greenish-white spikelets. Growing 12 to 75 centimeters tall with ascending branches, it forms loose, spreading tufts of slender stems. Its leaf blades are flat, 10 to 30 centimeters long and 2 to 4 millimeters wide, with ligules 2 to 4.5 millimeters long. Its lemmas are 1.5 to 2.5 millimeters long, occasionally bearing a short straight awn less than 2 millimeters in length.

Habitat: Moist areas, meadows, streambanks

Bloom period: Jun-Jul

Elevation: < 2400 m

Bioregions: KR, NCoR, CaR, SN, SnBr, SnJt

California counties: Humboldt, Inyo, Mendocino, Tuolumne, Riverside, San Bernardino, Sonoma, Del Norte, El Dorado, Placer, Siskiyou, Shasta, Plumas, Mono, Fresno, Sierra, Lassen, Trinity, Nevada, Mariposa

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