What type of plants are both Isatis and Eritrichium?
Isatis Isatis is a genus of about 30 species of flowering plants in the family Brassicaceae, native to the Mediterranean region east to central Asia. The genus includes woad ("Isatis tinctoria").
Erythronium Erythronium (fawn lily, trout lily, dog's-tooth violet, adder's tongue) is a genus of Eurasian and North American plants in the lily family. The name Erythronium derives from the word erythros, which means red in Greek and refers to the red flowers of "E. dens-canis".