Representative Images

5 Images Send these Selected Images to Your Light Box

5374386 wavyleaf thistle Cirsium undulatum Plant(s) Joseph M. DiTomaso	5436256 wavyleaf thistle Cirsium undulatum Plant(s) Eric Coombs	1211063 wavyleaf thistle Cirsium undulatum Flower(s) Dave Powell	5374387 wavyleaf thistle Cirsium undulatum Flower(s) Joseph M. DiTomaso
5436254 wavyleaf thistle Cirsium undulatum Flower(s) Eric Coombs

Maps

EDDMapS Distribution - This map is incomplete and is based only on current site and county level reports made by experts, herbaria, and literature. For more information, visit www.eddmaps.org

Alternative content

State Regulated List - This map identifies those states that list this species on their regulated list. For more information, visit Invasive.org

Alternative content

Most Troublesome / Most Common Agricultural Weed List
This map identifies those states that consider this species either most troublesome or most common in at least one commodity. For more information, visit the MTMC project page.

Alternative content

Legend
	No Data for this state
	Troublesome or Common weed in one or more crops

Invasive Listing Sources

California Noxious Weeds

Taxonomic Rank

Kingdom: Plantae

Phylum: Magnoliophyta

Class: Magnoliopsida

Subclass: Asteridae

Order: Asterales

Family: Asteraceae

Genus: Cirsium

Synonyms and Other Names

Other Common Names:
gray thistle, wavy-leaf thistle

References

Common Name Reference:	USDA, NRCS. 2010. The PLANTS Database. National Plant Data Center, Baton Rouge, LA, USA.
Scientific Name Reference:	USDA, NRCS. 2010. The PLANTS Database. National Plant Data Center, Baton Rouge, LA, USA.