Cirsium undulatum is a species of thistle known by the common names wavyleaf thistle and gray thistle. It is native to much of central and western North America from British Columbia east to Manitoba and south as far as the State of Durango in Mexico. It has also been found outside of its native range as an introduced species.
From Wikipedia, under CC BY-SA 4.0.
Is it poisonous?
We have no record of Wavyleaf thistle being toxic, poisonous or venomous. That is not proof that it is safe. Never eat, touch or handle a wild plant, mushroom or animal on the strength of an identification; ask someone qualified.
Easily confused with
- Cirsium ochrocentrum
- Cirsium canescens
- Cirsium flodmanii
- Cirsium townsendii
- Cirsium mohavense
- Cirsium barnebyi
Classification
- Kingdom
- Plantae
- Phylum
- Tracheophyta
- Class
- Magnoliopsida
- Order
- Asterales
- Family
- Asteraceae
- Genus
- Cirsium
- Species
- Cirsium undulatum
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