[Members of the Sunflower Family with Discoid Flower Heads Found West of the Cascade Mountains]

Cornflowers, Knapweeds and Stathistles West of the Cascade Mountains of Oregon and Washington

The Genus Centaurea

 

 


Purple Starthistle: Centaurea calcitrapa -

Bachelor's Button, Cornflower, Garden Cornflower: Centaurea cyanus -

Tyrol Knapweed, Meadow Knapweed: Centaurea debeauxii ssp. thuillieri (Synonym: Centaurea xpratensis, Centaurea nigrescens?) -

Diffuse Knapweed, Tumble Knapweed, White Knapweed: Centaurea diffusa -

Iberian Starthistle: Centaurea iberica -

Brown Knapweed: Centaurea jacea -

Bighead Knapweed, Globe Knapweed: Centaurea macrocephala -

Tocalotes, Maltese Starthistle, Maltese Star-thistle: Centaurea melitensis -

Meadow Knapweed, Protean Knapweed: Centaurea xmoncktonii -

Montane Starthistle, Perennial Cornflower, Mountain Bluet, Mountain Cornflower: Centaurea montana -

Black Knapweed, Lesser Knapweed, Hardheads: Centaurea nigra -

Short-fringed Knapweed, Tyrol Knapweed: Centaurea nigrescens (Synonyms: Centaurea debeauxii ssp. thuillieri, Centaurea dubia, Centaurea dubia ssp. nigrescens, Centaurea dubia ssp. vochinensis, Centaurea jacea ssp. nigrescens, Centaurea pratensis, Centaurea transalpina, Centaurea vochinensis) -

Yellow Star Thistle, St. Barnaby's Thistle: Centaurea solstitialis -

Spotted Knapweed: Centaurea stoebe ssp. micranthos (Synonyms: Centaurea biebersteinii, Centaurea maculosa) -


Paul Slichter E-mail