Report sightings of weed alert species to the Santa Barbara County Weed Management Area, (805) 681-5600.
Geraldton carnation spurge (Euphorbia terracina) – Watch for this weed on Hwy 150 x Hwy 192 near Carpinteria, approximately 4 miles west of Refugio Rd on the Gaviota Coast, and between the Mission Canyon area and Montecito.
Japanese dodder (Cuscuta japonica) - This weed has been found in Lompoc, and also in Los Angeles County, Bay Area counties and Sacramento Valley counties. Please report any detections of this "A" rated noxious weed to the Agricultural Commissioner.
Perennial sowthistle (Sonchus arvensis uliginosus) - This "A" rated noxious weed has been found in farm fields east and west of Lompoc. Please report any detections to the Agricultural Commissioner.
Sahara mustard (Brassica tournefortii) - Watch for this weed in sandy soils in the Lompoc area in Vandenberg Village and around the Burton Mesa.
Silverleaf nightshade (Solanum elaeagnifolium) - Watch for this weed near and on the San Marcos Foothills Preserve.
Tree Spurge (Euphorbia dendroides) - Watch for this weed near Franceschi Park.
Yellowspine thistle (Cirsium ochrocentrum) - This weed occurs on Santa Rosa Island. It is a serious pest of rangeland and pasture.