Rhus Diversaloba To purchase Rhus Diversaloba and other homeopathic remedies online, please click the button above. Remedy info unavailable. Rhus Diversaloba is available to buy through our online shop from WHP in USA, Boiron in USA, Boiron in Canada, Weleda in UK (not for export), by clicking the red 'View Purchase Options' button. Alternative names, keywords, and common mis-spellings Rhus Diversiloba, California Poison Oak