Cirsium arvense

Primary Common Name

Canada thistle

Characteristics

Species Category

herbaceous

Current Extent

widespread

Likelihood of Introduction

n/a (already in CA)

Source Citation(s)

CDFA Noxious Weed List

Integrated Taxonomic Information System (ITIS)

The species list links to ITIS (https://itis.gov).

• Link to itis.gov species page