Anderson Thornbush

Lycium andersonii is a species of flowering plant in the nightshade family, Solanaceae. Its common names include water-jacket, redberry desert-thorn, Anderson thornbush, Anderson's desert thorn, Anderson boxthorn, Anderson lycium, Anderson wolfberry, and squawberry.

The species is native to the Southwestern United States and northwestern Mexico, where it is distributed in New Mexico, Arizona, California, Nevada, Utah, Baja California, Sinaloa, and Sonora. It grows in many habitat types and plant communities, including pinyon-juniper woodland, creosote bush scrub, sagebrush scrub, chaparral, and coastal sage scrub.