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Centaurea diffusa Lam.
diffuse knapweed

       
Symbol:    
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Native Status:  
  
  



   
Common Names:
 
 
More Information:
 

Images:
Centaurea diffusa Lam.

See all the Centaurea thumbnails at the PLANTS Gallery
 

Synonyms:
Centaurea diffusa Lam.

  ACDI3 Acosta diffusa (Lam.) Soják
 

Distribution:
Centaurea diffusa Lam.

View Native Status
Distribution Map Legend

See U.S. county distributions (when available) by clicking on the map or the linked states below:

USA (AZ, CA, CO, CT, IA, ID, IL, IN, KY, MA, MI, MO, MT, NE, NJ, NM, NV, OH, OR, TN, UT, WA, WI, WY), CAN (AB, BC, ON, QC, SK, YT)
 

Related Taxa:
Centaurea diffusa Lam.

View 477 genera in Asteraceae, 37 species in Centaurea
 

Classification:
Centaurea diffusa Lam.

Click on a scientific name below to expand it in the PLANTS Classification Report.
   
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Superdivision Spermatophyta – Seed plants
Division Magnoliophyta – Flowering plants
Class Magnoliopsida – Dicotyledons
Subclass Asteridae
Order Asterales
Family Asteraceae – Aster family
Genus Centaurea L. – knapweed
Species Centaurea diffusa Lam. – diffuse knapweed
 

Noxious Weed Information:
Centaurea diffusa Lam.

This plant is listed by the U.S. federal government or a state. Common names are from state and federal lists. Click on a place name to get a complete noxious weed list for that location, or click here for a composite list of all Federal and State Noxious Weeds.

Arizona:
diffuse knapweed              Prohibited noxious weed
diffuse knapweed              Restricted noxious weed
California:
diffuse knapweed              A list (noxious weeds)
Colorado:
diffuse knapweed              B list (noxious weeds)
Idaho:
diffuse knapweed              Noxious weed
Montana:
diffuse knapweed              Category 1 noxious weed
Nebraska:
diffuse knapweed              Noxious weed
Nevada:
diffuse knapweed              Noxious weed
New Mexico:
diffuse knapweed              Class A noxious weed
North Dakota:
diffuse knapweed              Noxious weed
Oregon:
diffuse knapweed              "B" designated weed
diffuse knapweed              Quarantine
South Dakota:
diffuse knapweed              Regulated non-native plant species
Utah:
diffuse knapweed              Noxious weed
Washington:
diffuse knapweed              Class B noxious weed
diffuse knapweed              Noxious weed seed and plant quarantine
Wyoming:
diffuse knapweed              Noxious weed
 

U.S. Weed Information:
Centaurea diffusa Lam.

diffuse knapweed

This plant can be weedy or invasive according to the authoritative sources noted below. This plant may be known by one or more common names in different places, and some are listed above. Click on an acronym to view each weed list, or click here for a composite list of Weeds of the U.S.

STATE        Assorted authors. 200_. State noxious weed lists for 46 states. State agriculture or natural resource departments.
WSWS        Whitson, T.D. (ed.) et al. 1996. Weeds of the West. Western Society of Weed Science in cooperation with Cooperative Extension Services, University of Wyoming. Laramie, Wyoming. 630pp.
 

Introduced Information:
Centaurea diffusa Lam.

This plant is introduced to some part of the PLANTS Floristic Area, though it may be native in other parts. Click on link below for a partial or complete list of PFA introduced plants.

Scientific Name= A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | all
Common Name= A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | all
 

More Accounts and Images:
Centaurea diffusa Lam.

View photographs from CalPhotos.

View species account from USDA Forest Service Fire Effects Information System (FEIS).

View species account from ARS Germplasm Resources Information Network (GRIN).

View taxonomic account from Integrated Taxonomic Information System (ITIS) for ITIS Taxonomic Serial Number 36958.

View species account and distribution map from Jepson Interchange (University of California - Berkeley).

View photographs and distribution from University of Tennessee Herbarium.

View species account, photographs, and distribution from University of Washington Burke Museum.

View species account and photographs from University of Wisconsin - Stevens Point Freckmann Herbarium.

 

Related Web Sites:
Centaurea diffusa Lam.

AZ-Northern Arizona Weed Council

CO-Douglas County Weed Education

Canada-Knapweed Biology & Control

Canada-Ontario Noxious Weeds

Idaho One Plan: noxious abstract & images

MT-Center for Invasive Plant Management

Manitoba Agriculture - Weeds in Crop Production: abstract & images

ND-Know Your Knapweeds (NDSU Extension)

NV-Extension Weed Wanted Posters

Saskatchewan Agriculture and Food: weed identification

The Nature Conservancy: Wildland Weeds Management & Research Program

USDA NRCS Plant Materials

UT-Unwanted Weeds-Utah Department of Transportation

UT-Utah's 17 Most Noxious Weeds

 
 
Time Generated: 10/05/2008 11:12 AM MDT