Toxicodendron diversilobum
Toxicodendron diversilobum
Toxicodendron diversilobum (Torr. & Gray) Greene.
Engl.: Californian poison oak, Pacific poison oak.
Bot. syn.: Rhus diversiloba Torr. & Gray.
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.