Calflora
1 matching record.
Searching for: name like Cirsium arvense
Click on the Scientific Name to see a Taxon Report.
Cirsium arvense
Canada thistle
invasive non-native
Perennial herb
Cirsium arvense
© 2008 Keir Morse
CalPhotos (UCB)
Cirsium arvense
© 2018 Joel Trumbo
Cirsium arvense
© 2007 Luigi Rignanese
CalPhotos (UCB)
    Suggested Citation
    Calflora: Information on California plants for education, research and conservation. [web application]. 2020. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: Sep 27, 2020).

    The information on this page comes from diverse sources. None of the links are sponsored.