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