Taxon report data from Calflora
Recommended Source for Photos:
View Emex spinosa at Calflora.com
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Emex spinosa
Common Name:Devil's thorn
Emex spinosa, a angiosperm, is a annual herb that is non-native to California.
US Distribution: | introduced |
Plant Community(s): | weed, species characteristic of disturbed places, |
Habitat: | disturbed |
Family: | Polygonaceae |
Name Status:
Recognized as current in TJM2 + PLANTS + JM93
County distribution list:
Imperial, Los Angeles, Orange, Riverside, San Diego, San Francisco, San Luis Obispo, Ventura

See a detailed Distribution Grid of this plant in Calfornia.
Links: USDA Plants Profile | Jepson Herbarium
Website references on Google