| Caribbean | Dominican Republic | Azua |
1400 m
|
18°37'00"N
|
070°41'00"W
| 17 May 1983 | | Thomas A. Zanoni & José D. Pimentel B. | 25871 | MO |
| Caribbean | Dominican Republic | Independencia |
1240 m
|
18°17'00"N
|
071°34'00"W
| 09 May 1985 | | Thomas A. Zanoni, Milcíades M. Mejía, José D. Pimentel B. & Ricardo G. García | 34607 | MO |
| Caribbean | Dominican Republic | Peravia |
900 m
|
18°37'00"N
|
070°35'00"W
| 05 August 1982 | | Thomas A. Zanoni, Milcíades M. Mejía & José D. Pimentel B. | 22418 | MO |
| Mexico | | |
|
[23°37'00"N]
|
[102°34'30"W]
| 30 January 1967 | | Anonymous | 176 | MO |
| Mexico | | |
|
[23°37'00"N]
|
[102°34'30"W]
| 20 March 1900 | | William Trelease | 87 | MO |
| Mexico | Coahuila | Castaños |
|
|
| June 16, 1936 | | F. Lyle Wynd & Cornelius H. Muller | 116 | MO |
| Mexico | Hidalgo | Jacala |
4500 ft
|
|
| June 24, 1939 | | Virginius H. Chase | 7079 | MO |
| Mexico | Nuevo León | |
2000 m
|
|
| Aug 23 1971 | | Richard P. Wunderlin, John D. Dwyer, David L. Spellman & Joseph E. Vaughan | 1182 | MO |
| Mexico | Nuevo León | |
4000 ft
|
|
| 10 July 1945 | | A.J. Sharp | 45654 | MO |
| Mexico | Nuevo León | |
2500 ft
|
25°25'00"N
|
100°09'00"W
| June 20 1940 | | William C. Leavenworth | 116 | MO |
| Mexico | Nuevo León | |
|
|
| June 13, 1948 | | Fred G. Meyer & David J. Rogers | 2493 | MO |
| Mexico | Nuevo León | Galeana |
|
24°54'00"N
|
100°11'24"W
| 04 July 1985 | | Clark P. Cowan, Melissa A. Luckow & Nancy Jacobson | 5421 | MO |
| Mexico | Nuevo León | Monterrey |
|
|
| Feb. 6/47 | | Anonymous | 177 | MO |
| Mexico | Nuevo León | Monterrey |
550 m
|
|
| July 1911 | | Bro. G. Arsène & Bro. Abbon | 142 | MO |
| Mexico | Nuevo León | Monterrey |
|
|
| Sept. 25, 1937 | | Leslie A. Kenoyer | s.n. | MO |
| Mexico | Nuevo León | Monterrey |
|
|
| Apr. 26, 1939 | | Theodore C. Frye & E.M. Frye | 2472 | MO |
| Mexico | Nuevo León | Sabinas Hidalgo |
390 m
|
|
| 02 July 1985 | | Clark P. Cowan, Melissa A. Luckow & Nancy Jacobson | 5358 | MO |
| Mexico | San Luis Potosí | |
|
22°13'00"N
|
100°15'00"W
| Jun 1911 | | C. A. Purpus | 4853A | MO |
| Mexico | San Luis Potosí | |
|
|
| Nov. 1910 | | C. A. Purpus | Nov. 1910 | MO |
| Mexico | San Luis Potosí | |
|
|
| 1878 | | Charles C. Parry & Edward Palmer | 601 | MO |
| Mexico | San Luis Potosí | |
|
22°08'00"N
|
100°20'00"W
| Jun 1911 | | C. A. Purpus | 5375 | MO |
| Mexico | San Luis Potosí | |
340 m
|
22°32'07"N
|
099°20'04"W
| 06 April 1960 | | James A. Duke | M3711 | MO |
| Mexico | Tamaulipas | |
|
|
| 23 March 1980 | | Douglas G. LeDoux & Kathleen M. Robertson | 123 | MO |
| Mexico | Tamaulipas | |
|
|
| 29 June 1949 | | L.R. Stanford, S.M. Lauber & L.A. Taylor | 2188 | MO |
| Mexico | Tamaulipas | |
3110 m
|
23°42'00"N
|
099°45'00"W
| Aug. 3, 1941 | | L.R. Stanford, K.L. Retherford & R.D. Northcraft | 622 | MO |
| Mexico | Tamaulipas | |
|
|
| July 12, 1949 | | L.R. Stanford, L.A. Taylor & S.M. Lauber | 2427 | MO |
| Mexico | Tamaulipas | San Carlos |
560 m
|
24°34'00"N
|
098°58'00"W
| 17/Mar/1994 | | Mahinda Martínez & Julia Martínez | 2074 | MO |
| Mexico | Tamaulipas | Victoria |
|
|
| February 1, 1907 - April 9, 1907 | | Edward Palmer | 88 | MO |
| Mexico | Tamaulipas | Villagran |
640 m
|
24°28'12"N
|
099°29'24"W
| 30 June 1976 | | W. D. Stevens, Michael J. Donoghue & Michael L. Scott | 2256 | ENCB |
| Mexico | Tamaulipas | Villagran |
640 m
|
24°28'12"N
|
099°29'24"W
| 30 June 1976 | | W. D. Stevens, Michael J. Donoghue & Michael L. Scott | 2256 | MO |
| Mexico | Tamaulipas | Villagran |
640 m
|
24°28'12"N
|
099°29'24"W
| 30 June 1976 | | W. D. Stevens, Michael J. Donoghue & Michael L. Scott | 2256 | MSC |
| United States | Texas | |
|
|
| 1846 | | Ferdinand J. Lindheimer | 466 | MO |
| United States | Texas | Bell |
261 m
|
31°12'41"N
|
097°36'58"W
| 20 April 2004 | | Greg Gust, John R. Stone & Lupita Sánchez A. | 360 | MO |
| United States | Texas | Blanco |
850 ft
|
30°20'16"N
|
098°15'09"W
| 04 June 2016 | | George Yatskievych & Strong, Anna W. | 16-150 | TEX |
| United States | Texas | Hidalgo |
|
26°00'00"N
|
098°03'00"W
| 14 April 1977 | | James C. Solomon | 2727 | |
| United States | Texas | Travis |
835 f
|
30°19'20"N
|
098°11'01"W
| 26 September 2018 | | George Yatskievych & Brooke Bowman | 18-249 | TEX |
| United States | Texas | Travis |
835 f
|
30°19'20"N
|
098°11'01"W
| 26 September 2018 | | George Yatskievych & Brooke Bowman | 18-249 | MO |