Federal Government
Centaurea diffusa Lam.
Integrated Taxonomic Information System.
Taxonomy
Centaurea diffusa Lam. (Diffuse Knapweed) - Noxious and Nuisance Plant Management Information System (PMIS)
United States Army Corps of Engineers. Engineer Research and Development Center. Environmental Laboratory.
Identification/Description; Photographs; Impacts; Habitat; Distribution
Centaurea diffusa Article Citation Search - AGRICOLA Database
USDA. National Agricultural Library.
Research; Special Note: NAL Catalog Search (resources)
Centaurea diffusa Lam. - Germplasm Resources Information Network (GRIN)
USDA. ARS. National Genetic Resources Program.
Taxonomy; Distribution; Legal Aspects
Biology and Biological Control of Knapweed, FHTET-2001-07, 2nd Edition
USDA. Forest Service.
Taxonomy; Identification/Description; Photographs; Distribution; Introduction History; Impacts; Life Cycle; Habitat; Controls
Diffuse Knapweed - Weed of the Week (Dec 18, 2006; PDF | 76 KB)
USDA. FS.
Northeastern Area. Forest Health Protection.
Identification/Description; Photographs; Introduction History; Impacts; Habitat; Distribution; Controls
Centaurea diffusa - Fire Effects Information System (FEIS)
USDA. Forest Service. Rocky Mountain Research Station. Fire Sciences Laboratory.
Taxonomy; Identification/Description; Introduction History; Impacts; Life Cycle; Habitat; Distribution; Controls; Special Note: References
Noxious Weed: Diffuse Knapweed
USDA. Sawtooth National Forest.
Identification/Description; Photographs; Controls
Plant profile for Centaurea diffusa - PLANTS Database
USDA. NRCS. National Plant Data Center.
Taxonomy; Distribution; Legal Aspects
Diffuse Knapweed, Tumble Knapweed (PDF | 560 KB)
DOI. FWS. Hanford Reach National Monument.
Identification/Description; Photographs; Impacts; Controls
An Assessment of Exotic Plant Species of Rocky Mountain National Park: Centaurea diffusa Lam.
DOI. Northern Prairie Wildlife Research Center.
Impacts; Habitat; Distribution; Controls; Special Note: References
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