930 MISC. PUBLICATION 42 3, U. S. DEPT. OF AGRICULTURE 



type from Canyon Lake, Maricopa County (A. Nelson 11209). 

 Known only from southern and western Arizona. 



25. Erigeron neomexicanus A. Gray, Amer. Acad. Arts and Sci. 



Proc. 19: 2. 1883. 



Near Flagstaff (Coconino County) to the mountains of Cochise, 

 Santa Cruz, and Pima Counties, 5,000 to 9,000 feet, with oaks or 

 pines, August to October. New Mexico and Arizona. 



Several specimens from the Chiricahua, Patagonia, and Santa 

 Rita Mountains (Blunter 1352, Eggleston 10830, 10882, 10887, Kearney 

 and Peebles 10072, 10564, Griffiths 6027) have the pubescence mostly 

 appressed to ascending (not wide-spreading as in the typical form) 

 and thus approach E. delphinifolius Willd. of Mexico, but in all of 

 them the hairs toward the base of the stem are spreading, and they 

 appear to represent a phase of E. neomexicanus rather than E. delphini- 

 folius, which has not been recognized in the United States. 



26. Erigeron oreophilus Greenm., Amer. Acad. Arts and Sci. Proc. 41: 



257. 1905. 

 San Francisco Peaks and Flagstaff (Coconino County), Hualpai 

 Mountain (Mohave County), and mountains of southern Yavapai, 

 Graham, Gila, Pinal, Cochise, and Pima Counties, 4,500 to 9,000 

 feet, oak chaparral and open pine forests, July to October. Arizona 

 and northern Mexico. 



27. Erigeron eriophyllus A. Gray, PL Wright. 2: 77. 1853. 



On the Sonoita, southwestern Cochise County (Wright, the type 

 collection), near Ruby, Santa Cruz County, 4,300 feet (Kearney and 

 Peebles 13783, 14914), with live oaks and grasses, September. Ap- 

 parently known only from these 3 collections in southeastern Arizona. 



28. Erigeron schiedeanus Less., Linnaea 5: 145. 1830. 



Conyza subdecurrens DC, Prodr. 5: 379. 1836. 

 Erigeron subdecurrens A. Gray in Torr., U. S. and Mex. Bound. 

 Bot. 78. 1859. 

 Kaibab Plateau and San Francisco Peaks (Coconino County), 

 Pinaleno Mountains (Graham County), Chiricahua Mountains (Co- 

 chise County), Rincon and Santa Catalina Mountains (Pima County), 

 7,500 to 9,000 feet, open pine forests, August and September. South- 

 western Colorado, New Mexico, Arizona, and Mexico. 



29. Erigeron linifolius Willd., Sp. PL 3: 1955. 1804. 



Agua Fria River bottom near Avondale, Maricopa County, 1,000 

 feet (Peebles et al. 2462). Southeastern United States, southern 

 Arizona, and California; a common weed in the warmer parts of the 

 Eastern and Western Hemispheres. 



Erigeron lonchophyllus Hook., mainly a northern species but known also from 

 New Mexico, Utah, Nevada, and southern California, is represented in the 

 United States National Herbarium by specimens labeled as from northern Arizona 

 (P. F. Mohr in 1874). It seems inadvisable to include the species formally in the 

 flora of Arizona until specimens with more definite data become available. 



30. Erigeron canadensis L., Sp. PL 863. 1753. 



Leptilon canadense Britton inBritt. and Brown, Illus. PL 3: 391. 



1898. 



Throughout most of the State except the extreme western portion, 

 1,200 to 7,000 feet, waste land and cultivated fields, July to October. 





