Solanum carolinense (Carolina horsenettle) is a perennial herb/ (family Solanaceae) with white to purple flowers and lobed leaves found in the Sierra Nevada range, Central Valley, south coast ranges and northern ranges of California. It is native to the central and eastern United States and northern Mexico. It favors grasslands and dunes. It spreads via […]

Sphaerophysa salsula (alkali swainsonpea) is a perennial herb/ (family Fabaceae) with red flowers and small oval-shaped leaves found in the San Joaquin Valley in California. It is native to Asia. It favors grasslands. It spreads via water and contaminated alfalfa seed.

Stipa brachychaeta (punagrass) is a perennial grass (family Poaceae) that can grow to be more than 2 feet tall and is found in the Central Valley and the central and south coast ranges of California. It is native to South America. It favors grasslands, woodlands, and riparian and bottomland habitat. It spreads via seed and […]

Nassella tenuissima (Mexican feathergrass) is a perennial grass (family Poaceae) that can grow to be 2 feet tall and is found in the central and south coast ranges of California. It is native to Mexico, Texas, Argentina and Chile. It has been a popular ornamental and favors grasslands and woodlands in its natural habitat. Plants […]

Thinopyrum junceiforme (Russian wheatgrass) is a perennial grass (family Poaceae) that can grow to be 3 feet tall and is found in the San Francisco Bay area and south coast ranges of California. It is native to Europe and Russia. It grows in dunes, grasslands, alkaline areas and along roadsides. It spreads via seeds and […]

Ventenata dubia (North Africa grass) is an annual grass (family Poaceae) that can grow to be more than 1 foot tall and is found in the coastal and inland ranges of northern California. It is native to central and southern Europe. It occurs in grasslands. It reproduces via seed. The long awns attach to humans, […]

Verbena bonariensis (tall vervain) is a herb/ (family Verbenaceae) with purple flowers and narrow toothed leaves found in the Central Valley and the central and south coast ranges of California. It is native to South America. It favors grasslands and riparian and bottomland habitat. It readily self-seeds and is dispersed via animals, wind and water.

Zygophyllum fabago (Syrian beancaper) is a perennial herb/subshrub (family Zygophyllaceae) with white to orange flowers and oval shaped leaves found in the San Joaquin Valley, desert ranges and central coast ranges of California. It is native to the Mediterranean and central Asia. It favors grasslands and dunes. It spreads via seeds and root suckers. Agricultural […]

Carrichtera annua (Ward’s weed) is an annual herb (family Brassicaceae ) with white to yellow flowers and hairy lobed leaves found in the south coast ranges of California. It is native to the Mediterranean and southwestern Asia. It favors grasslands and scrub and chaparral habitat. It reproduces by seed only. Seeds are dispersed by foraging […]

Chrysanthemoides monilifera ssp. monilifera (boneseed) is a shrub (family Asteraceae) with yellow flowers and oval-shaped leaves found in the south coast ranges of California. It is native to southern Africa. It favors grasslands and scrub and chaparral habitat. It spreads by seeds which travel via water, machinery, birds and other animals.