Paspalum dilatatum

Dallis grass

Family: Poaceae · Type: perennial · Not Native

Dallis grass is a naturalized perennial found in the California Floristic Province and Mojave Desert in disturbed areas at elevations below 1,160 meters. Flowering from May to November, this grass produces straw-yellow to purple spikelets in paired racemes with silky-hairy margins. Growing with robust erect stems 50 to 175 centimeters tall, it forms dense tufted clumps with a knotty base and short rhizomes. Its flat leaf blades reach up to 35 centimeters long and 2 to 16.5 millimeters wide, with slightly long hairs near the base of the upper leaf surface. The fruit develops as small white to brown structures 2 to 2.3 millimeters long.

Habitat: Disturbed areas

Bloom period: May-Nov

Elevation: < 1160 m

Bioregions: CA-FP, DMoj

California counties: El Dorado, Stanislaus, Los Angeles, Imperial, Butte, Riverside, Glenn, Fresno, Tulare, Orange, Contra Costa, Sonoma, Yuba, Marin, Nevada, San Bernardino, San Diego, Santa Barbara, Alameda, Ventura, Mariposa, Shasta, San Luis Obispo, Monterey, Sacramento, Amador, San Joaquin, Placer, Calaveras, Sutter, Plumas, San Mateo, Santa Clara, Santa Cruz, Tuolumne, Yolo, Kern, Mendocino, Merced, San Francisco, Tehama, Napa, Humboldt, Solano, Madera, Inyo, San Benito

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