Two nasty mustards get the heave-ho
The first two volunteer workdays of the spring semester have been all about mustard – specifically two winter-blooming mustards – Brassica tournefortii (Sahara Mustard) and Brasscia fruticulosa (Mediterranean Cabbage). Brassica tournefortii has been discussed before in these pages. This particularly nasty mustard has displaced native vegetation in large areas of Joshua Tree National Park and […]
Two nasty mustards get the heave-ho Read More »