Skip to main content
Header CU menu
School of Integrative Plant Science
Horticulture Section
Turfgrass and Landscape Weed ID
Turfgrass and Landscape Weed ID
Toggle navigation
Main menu
Home
Weed ID
Broadleaf
Grass
Instructions
Pesticide-free Management
Weeds and Human Health
Resources
Jump to Filters
START OVER
| Displaying results 1 - 4 of 4
Cirsium vulgare - inflorescence
Bull thistle
Cirsium vulgare
Cirsium arvense - flowers
Canada thistle
Cirsium arvense
Dipsacus fullonum
Common teasel
Dipsacus fullonum
Centaurea maculosa - flower
Spotted knapweed
Centaurea maculosa
