| Documentation |
State |
Type |
| 1981. Cactus and Succulent Journal. |
WY |
Literature |
| 2001. Journal of the Arizona-Nevada Academy of Science. |
AZ |
Literature |
| Benson, L. 1982. The cacti of the United States and Canada. Stanford University Press, Stanford. |
AZ, CO, ID, MT, NM, SD, UT, WY |
Literature |
| D. Giblin 947 (WTU 377780). Specimen at University of Washington, Seattle, Washington. |
WA |
Specimen |
| Davis, R. 1952. Flora of Idaho. W.C. Brown Co., Dubuque. |
ID |
Literature |
| Dorn, R.D. 1977. Manual of the vascular plants of Wyoming. 2 vols. Garland Publishing, Inc., New York. |
WY |
Literature |
| Dorn, R.D. 1984. Vascular plants of Montana. Mountain West Publishers, Cheyenne. |
MT |
Literature |
| E. Nees 08-68 (WTU 382004). Specimen at University of Washington, Seattle, Washington. |
WA |
Specimen |
| F. Hochstaetter 19.1 (OSC 193148). Specimen at Oregon State University, Corvallis, Oregon. |
OR |
Specimen |
| Flora of North America Editorial Committee, (eds.). 2003. Flora of North America north of Mexico, vol. 4. Oxford University Press, New York and Oxford. |
AZ, UT |
Literature |
| Hartman, R. Atlas of the vascular flora of Wyoming. Unpublished and undated. |
WY |
Literature |
| Heil, K.D., and J.M. Porter. 2004. Pediocactus. Flora of North America North of Mexico, vol. 4. Oxford University Press, New York, Oxford. |
ID, OR, WA |
Literature |
| Heil, K.D., and J.M. Porter. 2004. Pediocactus. Flora of North America North of Mexico, vol. 4. Oxford University Press, New York, Oxford. |
AZ, CO, ID, MT, NM, NV, SD, UT, WY |
Literature |
| Hogan, Tim. Personal communication. |
CO |
Literature |
| ID. Specimen at University of Idaho, Moscow, Idaho. |
ID |
Specimen |
| IDS. Specimen at Idaho State University, Pocatello, Idaho. |
ID |
Specimen |
| Idaho Conservation Data Center. |
ID |
Literature |
| J. Kerby 8 (OSC 192200). Specimen at Oregon State University, Corvallis, Oregon. |
OR |
Specimen |
| J.S. Cotton s.n. (WS 15774). Specimen at Washington State University, Pullman, Washington. |
WA |
Specimen |
| J.S. Mc. 1-02 (ORE 96064). Specimen at University of Oregon, Eugene, Oregon. |
OR |
Specimen |
| Johnston, B. 1991. List of Colorado plants. Unpublished. |
CO |
Literature |
| Kartesz, J.T. 1988. A flora of Nevada. University of Nevada, Reno. |
NV |
Literature |
| Kartesz, J.T. 2001. Atlas of the Nevada flora. Unpublished. |
NV |
Literature |
| Kartesz, J.T. 2002. Atlas of the Arizona flora. Unpublished. |
AZ |
Literature |
| Larson, J., B. Reif, B.E. Nelson, and R.L. Hartman. 2014. Floristic studies in north central New Mexico, U.S.A. The Sangre de Cristo Mountains. Journal of the Botanical Research Institute of Texas 8: 271-303. |
NM |
Literature |
| Lehr, J.H. 1978. A catalogue of the flora of Arizona. Desert Botanical Garden, Phoenix. |
AZ |
Literature |
| Mancuso, Michael. Personal communication. |
ID |
Literature |
| Martin, W.C., and C.R. Hutchins. 1980. A flora of New Mexico. Strauss & Cramer, Germany. |
NM |
Literature |
| NatureServe. 2013. NatureServe Explorer: An online encyclopedia of life. Version 7.1. NatureServe, Arlington, VA. |
AZ, UT |
Literature |
| New Mexico Natural Heritage Program. |
NM |
Literature |
| Rare and Endangered Plants Technical Committee of the Idaho Natural Areas Council. 1981. Vascular plant species of concern in Idaho. Bulletin Number 34. University of Idaho, Moscow. |
ID |
Literature |
| Reif, B., J. Larson, B.F. Jacobs, B.E. Nelson, and R.L. Hartman. 2009. Floristic studies in north central New Mexico, U.S.A. The Tusas Mountains and the Jemez Mountains. Journal of the Botanical Research Institute of Texas 3: 921-961. |
NM |
Literature |
| Ripley, J.D. 1994. Vegetation of the United States Air Force Academy and the adjacent Regions of the Pike National Forest, El Paso County, Colorado. Department of Biology, United States Air Force Academy, Colorado Springs. |
CO |
Literature |
| S. Nolph 57 (WS 303827). Specimen at Washington State University, Pullman, Washington. |
WA |
Specimen |
| Shultz, Leila M. Personal communication. |
UT |
Literature |
| U.S. Fish and Wildlife Service. 1986. Siler pincushion cactus (Pediocactus sileri) recovery plan. Albuquerque, NM. |
AZ, UT |
Literature |
| U.S. Fish and Wildlife Service. 2011. Species Profile: Siler Pincushion cactus (Pediocactus sileri). U.S. Fish and Wildlife Service. |
AZ, UT |
Literature |
| UNM. Specimen at University of New Mexico, Albuquerque, New Mexico. |
NM |
Specimen |
| UNM. Specimen at University of New Mexico, Albuquerque, New Mexico. |
NM |
Specimen |
| UNM. Specimen at University of New Mexico, Albuquerque, New Mexico. |
NM |
Specimen |
| Utah Natural Heritage Program. |
UT |
Literature |
| W. Weaver s.n. (OSC 151269). Specimen at Oregon State University, Corvallis, Oregon. |
OR |
Specimen |
| W.H.C. Schallig s.n. (OSC 114365). Specimen at Oregon State University, Corvallis, Oregon. |
OR |
Specimen |
| Welsh, S.L., N.D. Atwood, L.C. Higgins, and S. Goodrich. 1987. A Utah flora. Great Basin Naturalist Memoirs No. 9. Brigham Young University Press, Provo. |
UT |
Literature |
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