Barbarea

Barbarea
Barbarea vulgaris
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Rosids
Order:	Brassicales
Family:	Brassicaceae
Genus:	Barbarea W. T. Aiton

A genus of cress, variously called "upland cress" or "dryland cress" (in contrast to watercress), or "winter cress". I can't see why any particular species in this genus wouldn't be edible, and I'd expect them all to taste similar (peppery cress/mustard flavor).

Acknowledgements

This article uses material from the Wikipedia article Barbarea, which is released under the Creative Commons Attribution-Share-Alike License 3.0.