2 matching records.
Searching for: genus: Emex
Click on the Scientific Name to see a Taxon Report.
Emex australis
Southern three cornered jack
Annual herb
no photo
Emex spinosa
Devil's thorn
invasive non-native
Annual herb
Emex spinosa
© 2017 Barbara Boethling
Emex spinosa
© 2015 Ron Vanderhoff
Emex spinosa
© 2016 Barbara Boethling
CalPhotos (UCB)
    Suggested Citation
    Calflora: Information on California plants for education, research and conservation. [web application]. 2021. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Oct 18, 2021).

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