Selected Images
![]() 1148149 knapweeds Centaurea spp. Plant(s) USDA APHIS PPQ Archive |
![]() 5400999 knapweeds Centaurea spp. Foliage Mary Ellen (Mel) Harte |
![]() 2187025 knapweeds Centaurea spp. Flower(s) David Cappaert |
![]() 1459253 knapweeds Centaurea spp. Flower(s) Steve Dewey |
![]() 1350077 knapweeds Centaurea spp. Flower(s) University of Idaho Archive |
![]() 1459251 knapweeds Centaurea spp. Flower(s) Steve Dewey |
![]() 1459252 knapweeds Centaurea spp. Flower(s) Steve Dewey |
![]() 1299212 knapweeds Centaurea spp. Infestation Vince Belleci |
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
Invasive Listing Sources
Taxonomic Rank
| Kingdom: Plantae |
| Phylum: Magnoliophyta |
| Class: Magnoliopsida |
| Subclass: Asteridae |
| Order: Asterales |
| Family: Asteraceae |
| Genus: Centaurea |
| 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. |











