Erigeron reductus is a species of flowering plant in the daisy family known by the common name lesser California rayless fleabane. It is endemic to California, from Trinity County south as far as Alameda County and El Dorado County. Varieties * Erigeron reductus var. angustatus (A.Gray) G.L.Nesom - Coast Ranges from Trinity County to Alameda County * Erigeron reductus var. reductus - Trinity Mountains and Sierra Nevada from Trinity County to El Dorado County The two varieties do intergrade in their region of overlap (Trinity County).