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").
Erigeron Erigeron ( ) is a large genus of plants in the daisy family. It is sometimes confused with other closely related genera, "Aster" and the true daisy "Bellis". The genus has a cosmopolitan distribution in dry, mountainous areas and grassland, with the highest diversity in North America.