Lepidium campestre
Lepidium campestre , the field pepperwort or field pepperweed or field cress , is usually a biennial with some form of annual plant in the Brassicaceae or mustard family , native to Europe , but commonly found in North America as an invasive weed . 
<triplet> annual plant <subj> biennial <obj> followed by <triplet> mustard <subj> Brassicaceae <obj> subclass of