Toxicodendron diversilobum
western poison oak
Rhus diversiloba
Toxicodendron quercifolium
Rhus quercifolia
Rhus toxicodenedron
eastern poison oak
Lyonia mariana
staggerbush
stagger bush
fly agaric
Amanita muscaria
Amianthum
squaw-bush
Rhus trilobata
skunkbush
squawbush
Rhus dermatitis
genus Amianthum
rose bay
devil's weed
Tribulus terestris
caltrop
Nerium oleander
oleander
Larrea tridentata
coville
creosote bush
hediondilla
Levant nut
salmonberry
ribbonwood
longheaded thimbleweed
genus Rauwolfia
genus Umbellularia
genus Rauvolfia
Umbellularia
Anemone riparia
poison ivy
Rhus radicans
poison mercury
Baccharis halimifolia
slippery elm
groundsel tree
poison oak
groundsel bush
cotton-seed tree
markweed
Toxicodendron radicans
consumption weed