Roadless Areas
Home/Species/ Diffuse Knapweed

Centaurea diffusa

Lam.

Diffuse Knapweed

GNRUnranked Found in 25 roadless areas NatureServe Explorer →
GNRUnrankedGlobal Rank
Identity
Unique IDELEMENT_GLOBAL.2.137343
Element CodePDAST1Y060
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
Endemicoccurs (regularly, as a native taxon) in multiple nations
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderAsterales
FamilyAsteraceae
GenusCentaurea
Other Common Names
Bushy Star-thistle (EN) Centaurée diffuse (FR) diffuse knapweed (EN) White Knapweed (EN)
Concept Reference
Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Conservation Status
Change Date1994-03-22
Ecology & Habitat
Other Nations (2)
United StatesNNA
ProvinceRankNative
IndianaSNANo
WyomingSNANo
UtahSNANo
KentuckySNANo
MassachusettsSNANo
ColoradoSNANo
IllinoisSNANo
IdahoSNANo
MontanaSNANo
IowaSNANo
CaliforniaSNANo
NevadaSNANo
New JerseySNANo
MichiganSNANo
ArizonaSNANo
ConnecticutSNANo
WashingtonSNANo
OregonSNANo
MissouriSNANo
CanadaNNA
ProvinceRankNative
AlbertaSNANo
QuebecSNANo
SaskatchewanSNANo
OntarioSNANo
British ColumbiaSNANo
Plant Characteristics
Economic Value (Genus)No
Roadless Areas (25)
California (1)
AreaForestAcres
South ForkShasta-Trinity National Forest16,786
Nevada (3)
AreaForestAcres
Pine Grove SouthHumboldt-Toiyabe National Forest88,945
Rose - Whites CanyonHumboldt-Toiyabe National Forest2,568
Sweetwater (NV)Humboldt-Toiyabe National Forest5,946
New Mexico (5)
AreaForestAcres
Black CanyonSanta Fe National Forest1,922
Guaje CanyonSanta Fe National Forest6,104
Juan de Gabaldon GrantSanta Fe National Forest8,023
Little TesuqueSanta Fe National Forest815
Thompson PeakSanta Fe National Forest33,001
Oregon (8)
AreaForestAcres
EagleMt. Hood National Forest16,841
Glacier MountainMalheur National Forest20,661
Grande RondeWallowa-Whitman National Forest5,650
Grande RondeUmatilla National Forest12,296
Hurricane CreekWallowa-Whitman National Forest1,606
North Mount EmilyWallowa-Whitman National Forest752
North Mt. EmilyUmatilla National Forest4,416
Roaring RiverMt. Hood National Forest27,316
Washington (8)
AreaForestAcres
Alpine Lakes Adj.Wenatchee National Forest57,104
Blue SlideWenatchee National Forest17,505
Devils GulchWenatchee National Forest24,419
Nason RidgeWenatchee National Forest19,329
Pasayten RimOkanogan National Forest17,074
SawtoothOkanogan National Forest122,194
Slide RidgeWenatchee National Forest11,430
TeanawayWenatchee National Forest72,849
References (2)
  1. Flora of North America Editorial Committee (FNA). 2006a. Flora of North America north of Mexico. Vol. 19. Magnoliophyta: Asteridae, part 6: Asteraceae, part 1. Oxford University Press, New York. xxiv + 579 pp.
  2. Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.