Riverside County, California, US
Extremely invasive and noxious.
San Diego County, California, US
on right mid foreground
Not my favorite kind of mustard. It gets quite large, woody and tumbles around, besides being quite invasive.
I just get confused with all the different mustards so, I am counting on someone else to reconfirm or correct me.
Hirschfeldia incana (formerly Brassica geniculata) is a species of flowering plant in the mustard family known by many common names, including Shortpod mustard, Buchanweed, Hoary mustard and Mediterranean mustard. It is the only species in the monotypic genus Hirschfeldia, which is closely related to Brassica. The species is native to the Mediterranean Basin but it can be found in many parts of the world as an introduced species and often a very abundant noxious weed. This...