Sahara mustard brassica tournefortii is a short lived nonnative winter annual mustard that has recently been found in new mexico. It increases fire frequencies competes with and reduces productivity of native annuals and reduces forage for wildlife such as the desert tortise. Np Acacia Mangium The plant is generally similar to other mustards but the yellow flowers are not as bright and flashy as closely related species. Brassica tournefortii . Brassica tournefortii is an extremley invasive weed of the southwest and should be destroyed on sight. Brassica is a large genus with the plant list 2013 recording 384 plant names 39 of which are accepted species names the plant list 2013. View photographs and a description of the plant brassica tournefortii commonly known as asian mustard or sahara mustard. Brassica tournefortii is a species of plant known by the common names asian mustard pale cabbage african mustard and sahara mustard and is well known as an invasive species espec...