Region
Country
Specimen coordinates in square brackets [ ] have been approximated based on political units.
|
|
| Mexico | Chihuahua | |
1250 m
|
31°36'00"N
|
107°55'00"W
| 18 August 1972 | | Fernando Chiang C., Thomas L. Wendt & Marshall C. Johnston | 8696 | MO |
| Mexico | Coahuila | |
1000-2000 m
|
|
| 25 Sept. 1972 | | Fernando Chiang C., Thomas L. Wendt & Marshall C. Johnston | 9527 | MO |
| Mexico | Coahuila | |
1225 m
|
26°59'00"N
|
102°53'00"W
| 7 August 1973 | | Marshall C. Johnston, Fernando Chiang C., Thomas L. Wendt & James S. Henrickson | 12108 | MO |
| Mexico | Coahuila | |
925 m
|
26°27'00"N
|
102°42'00"W
| 23 Sept. 1972 | | Fernando Chiang C., Thomas L. Wendt & Marshall C. Johnston | 9481 | MO |
| Mexico | Coahuila | Torreón |
|
|
| October 13, 1898 - October 20, 1898 | | Edward Palmer | 463 | MO |
| Mexico | Durango | |
1450-1500 m
|
25°25'00"N
|
103°43'00"W
| 13 August 1973 - 14 August 1973 | | Marshall C. Johnston, Thomas L. Wendt, Fernando Chiang C. & David H. Riskind | 12213 | MO |
| Mexico | Durango | Durango |
|
|
| April, 1896 - November, 1896 | | Edward Palmer | 165 | MO |
| Mexico | Zacatecas | |
|
24°36'36"N
|
101°25'12"W
| August 11, 1904 - August 14, 1904 | | Edward Palmer | 318 | MO |
|
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