Centaurea diffusa - KnowYourWeeds
Diffuse knapweed identification and control: Centaurea diffusa - King County, Washington
Washington State Noxious Weed Control Board
File:Centaurea diffusa sl6.jpg - Wikimedia Commons
Centaurea diffusa - Wikipedia
Centaurea diffusa - Wikipedia
Centaurea diffusa - RoguesGallery
Centaurea diffusa - KnowYourWeeds
Centaurea diffusa - Wikipedia
Centaurea diffusa - Burke Herbarium Image Collection
Species information
Diffuse Knapweed - Montana Field Guide
Diffuse knapweed — Northern Arizona Invasive Plants
Plantwise Knowledge Bank
Diffuse knapweed - Centaurea diffusa - open | Invasive plants, Plant list, Plants
Diffuse knapweed - Invasive Species Council of British Columbia
Centaurea diffusa Lam. - Yaşam Ansiklopedisi
Diffuse knapweed (Centaurea diffusa) | Fraser Valley Invasive Species Society
Centaurea diffusa - Diffuse knapweed - Zerdali dikeni
OregonFlora Centaurea diffusa
Centaurea diffusa (white knapweed): Go Botany
Centaurea diffusa
Centaurea diffusa) - EcoRegistros
Centaurea diffusa Calflora
Centaurea diffusa Profile – California Invasive Plant Council
