Region
Country
Specimen coordinates in square brackets [ ] have been approximated based on political units.
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| Mexico | Baja California Sur | |
80 m
|
27°31'00"N
|
113°19'00"W
| 29 March 1981 | | Michael O. Dillon, Eloy Rodriguez, Jan West, Chuch Sternburg & Mohan Behl | 1995 | MO |
| Mexico | Guanajuato | |
2000 m
|
|
| 9.XI.1988 | | E. Ventura V. & E. López | 6315 | MO |
| Mexico | Sinaloa | |
800 ft
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|
| 28 January 1940 | | Howard S. Gentry | 5403 | MO |
| Mexico | Sinaloa | |
300 m
|
24°02'00"N
|
106°47'00"W
| 19 December 1974 | | Grady L. Webster | 19841 | MO |
| Mexico | Sinaloa | El Fuerte |
40 - 100 m
|
26°05'00"N
|
108°46'00"W
| 28 January 1927 | | Marcus E. Jones | 23425 | MO |
| Mexico | Sonora | |
300 m
|
26°56'30"N
|
108°53'00"W
| 14 December 1988 | | Andrew C. Sanders, E.J. Lawlor, B.G. Pitzer, Adrian J. Mayor & David Charlton | 8800 | MO |
| Mexico | Sonora | |
160 - 300 m
|
27°24'00"N
|
108°51'00"W
| 23 November 1934 | | Howard S. Gentry | 1159 | MO |
| Mexico | Sonora | Altar |
470 m
|
30°48'00"N
|
111°48'00"W
| 08 March 1936 | | David D. Keck | 3996 | MO |
| Mexico | Sonora | Guaymas |
190 f
|
27°42'00"N
|
110°08'00"W
| 12 Mar 1989 | | Richard S. Felger, Timothy B. Cruz, Felipe Molina & William Steen | 89-94 | MEXU |
| Mexico | Sonora | Guaymas |
190 f
|
27°42'00"N
|
110°08'00"W
| 12 Mar 1989 | | Richard S. Felger, Timothy B. Cruz, Felipe Molina & William Steen | 89-94 | MO |
| United States | Arizona | |
|
|
| 26 April 1884 | | Cyrus G. Pringle | 15884 | MO |
| United States | Arizona | Pima |
400 m
|
32°20'00"N
|
111°00'00"W
| 13 April 1992 | | Mary Merello & David R. Brunner | 197 | MO |
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