752 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM, 
Tyre Locauity: Organ Mountains, New Mexico. 
RanaeE: Colorado to Arizona and New Mexico. 
New Mexico: Santa Fe; Cliff; San Luis Pass; Carrizalillo Mountains; Organ 
Mountains. Plains and dry hills, in the Upper Sonoran Zone. 
7. Cirsium arizonicum (A. Gray) Petrak, Bot. Tidsskr. 31: 68. 1911. 
Cnicus arizonicus A. Gray, Proc. Amer. Acad. 10: 44. 1874. 
Carduus arizonicus Greene, Proc. Acad. Phila. 1892: 362. 1893. 
Type Locauity: ‘‘Arizona and 8. Utah.” 
Rance: Utah to Arizona and New Mexico. 
New Mexico: San Luis Mountains, Low hills and plains. 
8. Cirsium pulchellum (Greene) Woot. & Standl. 
Carduus pulchellus Greene; Rydb. Colo. Agr. Exp. Sta. Bull. 100: 401. 1906. 
Type LocALIty: Piedra, Colorado. 
Range: Southern Colorado to New Mexico. 
New Mexico: Tunitcha Mountains; Cloudcroft. Mountains, in the Transition 
Zone. 
9. Cirsium wheeleri (A. Gray) Petrak, Bot. Tidsskr. 31: 67. 1911. 
Cnicus wheelert A. Gray, Proc. Amer. Acad. 19: 56. 1883. 
Carduus wheelert Heller, Cat. N. Amer. Pl. 7. 1898. 
Type Locatiry: Near Camp Apache, Arizona, 
Rane@e: Mountains of southern Arizona and southwestern New Mexico. 
New Mexico: Luna; West Fork of the Gila; north of Ramah. Transition Zone. 
10. Cirsium coloradense (Rydb.) Cockerell, Univ. Mo. Stud. Sci. 2?: 254, 1911. 
Carduus coloradensis Rydb. Bull. Torrey Club 32: 132. 1905. 
Type Locauity: Pagosa Springs, Colorado, 
RanaGeE: Mountains of Colorado and northern New Mexico. 
New Mexico: North of Ramah; Rio Mora; Tesuque. Transition Zone. 
11. Cirsium grahami A. Gray, Pl. Wright. 2: 102. 1853. 
Cnicus grahami A. Gray, Proc. Amer. Acad. 19: 57. 1883. 
Carduus grahami Greene, Proc. Acad. Phila. 1892: 363. 1893. 
Type Locauiry: Low ground, in valleys between the Sonoita and the San Pedro, 
Sonora. 
Ran@e: Mountains of southern Arizona and southwestern New Mexico. 
New Mexico: Mogollon Mountains, Transition Zone. 
12. Cirsium wrightii A. Gray, Pl. Wright. 2: 101. 1853. 
Cnicus wrightii A. Gray, Proc. Amer. Acad. 10: 41. 1874. 
Carduus wrighttt Heller, Cat. N. Amer. Pl. 8. 1898. 
Type Loca.iry: “Around springs near San Bernandino, on the borders of New 
Mexico and Sonora.’’ 
Rance: Western Texas to southern Arizona. 
New Mexico: White Mountains; Roswell; Fresnal. Mountains, in the Upper 
Sonoran and Transition zones. 
13. Cirsium calcareum (Jones) Woot. & Standl. 
Cnicus calcareus Jones, Proc. Calif. Acad. IT. 5: 704. 1895, 
Tyrer Locauity: Cainville, Utah. 
RanGeE: Utah to northern Arizona and New Mexico. 
New Mexico: Carrizo Mountains (Standley 7401). Dry hills and canyons, in the 
Upper Sonoran Zone. 
