Black mustard, Brassica nigra

UCI Ecological Preserve, Irvine, CA 6-6-09. © Joan Avise	Black mustard Brassica nigra Invasive species, native to the Mediterranean region Five mustards Back to Brassicaceae of Orange County, California Back to Eudicots of Orange County, California Back to Natural History of Orange County, California
RMV, W of La Pata, 2-19-12. © Ron Vanderhoff.	Nr. La Novia Ave., E Valley Rd., San Juan Cap., 3-1-15. © Ron Vanderhoff.
Nr. Camino Altozana & Av. de las Banderas, RSM, 5-11-14. © Ron Vanderhoff.	Nr. La Novia Ave., E Valley Rd., San Juan Cap., 3-1-15. © Ron Vanderhoff.
May include Short-podded mustard, Hirschfeldia incana. Aliso and Wood Canyons Wilderness Park, Laguna Niguel, CA. © Joan Avise	May include Short-podded mustard, Hirschfeldia incana. Aliso and Wood Canyons Wilderness Park, Laguna Niguel, CA. © Joan Avise