Silphium terebinthinaceum
Silphium terebinthinaceum
Silphium terebinthinaceum Jacq.
Engl.: prairie rosinweed, prairie burdock, prairie dock.
Bot. syn.: Silphium rumicifolium Small.
A herbal distance course
Henriette's herbal is one of the oldest and largest herbal medicine sites on the net. It's been online since 1995, and is run by Henriette Kress, a herbalist in Helsinki, Finland.