- Roman wormwood, Artemis pontica - European wormwood; minor source of absinthe
--1 is a kind of wormwood
--1 is a member of genus Artemisia - Roman wormwood, rock harlequin, Corydalis sempervirens, Fumaria sempervirens - glaucous herb of northeastern United States and Canada having loose racemes of yellow-tipped pink flowers; sometimes placed in genus Fumaria
--2 is a kind of Corydalis, genus Corydalis