| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Euphorbia Lanj. | C. H. Wright 2014 | Unknown. | 4020085 |  | |
| Euphorbia Lanj. | C. R. Ball 1275 | United States of America. Texas. Potter Co. Amarillo. | 4020086 |  | |
| Euphorbia Lanj. | L. C. Hinckley 3991 | United States of America. Texas. Ward Co. on Johnnie Wilson ranch about 3 mi. W. Pyote. | 4020087 |  | |
| Euphorbia Lanj. | U. T. Waterfall 3897 | United States of America. Texas. El Paso Co. near foothills of the Hueco Mts. 17 miles east of El Paso. | 4020089 |  | |
| Euphorbia Lanj. | H. D. D. Ripley 2678 | United States of America. Arizona. Pima Co. bet. Bisbee and Tombstone. | 4020096 |  | |
| Euphorbia Lanj. | F. W. Pennell 21585 | United States of America. Arizona. Coconino Co. Along Hermit Trail, Grand Canyon. | 4020097 |  | |
| Euphorbia Lanj. | L. C. Hinckley 4560 | United States of America. Arizona. On road bank leading from Rucker Canyon to Highway 80, Coronado Nat'l Forest. | 4020098 |  | |
| Euphorbia Lanj. | R. A. Darrow s.n. | United States of America. Arizona. 25 miles West of Casa Grande. | 4020100 |  | |
| Euphorbia Lanj. | J. J. Thornber s.n. | United States of America. Arizona. Aravaipa Canyon, Trails, End Ranch. | 4020101 |  | |
| Euphorbia Lanj. | S. Riley 2462 | United States of America. Idaho. Idaho Co. 5 air miles North of Kamiah, near Pardee. Small impoundment created by railroad construction along Clearwater River. Riparian zone along pond. | 4020108 |  | |
| Euphorbia Lanj. | E. Makings 2983 | United States of America. New Mexico. Catron Co. Gila National Forest; approx. 7 miles NNE of Reserve, NM. | 4020116 |  | |
| Euphorbia Lanj. | J. N. Rose 13303 | Mexico. Sinaloa. Vicinity of Topolobampo. | 4020405 |  | |
| Euphorbia Lanj. | C. G. Pringle 9422 | Mexico. Hidalgo. Valley near Dublan. | 04029363 |  | |
| Euphorbia Lanj. | C. C. Parry 817 with Ed. Palmer, 1878 | Mexico. San Luis Potosi. Chiefly in the region of San Luis Potosí. | 4029364 |  | |
| Euphorbia Lanj. | 4029365 | ||||
| Euphorbia Lanj. | J. N. Rose 11170 | Mexico. Querétaro. Near Queretaro. | 4029366 |  | |
| Euphorbia Lanj. | 4029368 | ||||
| Euphorbia Lanj. | 4029376 |  | |||
| Euphorbia Lanj. | 4029396 | ||||
| Euphorbia Lanj. | 4029397 |  | |||
| Euphorbia Lanj. | 4029398 | ||||
| Euphorbia Lanj. | 4029402 |  | |||
| Euphorbia Lanj. | 4029403 | ||||
| Euphorbia Lanj. | G. F. Gaumer 1039 | Mexico. Yucatán. Buena Vista Xbac. | 4029406 |  | |
| Euphorbia Lanj. | 4029407 | ||||
| Euphorbia Lanj. | 4029418 |  | |||
| Euphorbia Lanj. | E. Palmer 789 | United States of America. California. Lagoon Head. | 4029419 |  | |
| Euphorbia Lanj. | E. Palmer 1204 | Mexico. Coahuila. Juraz, about 100 miles north from Monclova, on the Sabinas river. | 4029420 |  | |
| Euphorbia Lanj. | C. G. Pringle 3778 | Mexico. San Luis Potosí. Las Canoas. | 4029422 |  | |
| Euphorbia Lanj. | E. Palmer 97 | Mexico. Tamaulipas. Vicinity of Victoria. | 4029425 |  | |
| Euphorbia Lanj. | J. N. Rose 11176 | Mexico. Querétaro. Near Queretaro. | 4029427 |  | |
| Euphorbia Lanj. | 4029428 |  | |||
| Euphorbia Lanj. | 4029431 |  | |||
| Euphorbia Lanj. | A. de Avila 100 11 Dec 1987 | Mexico. Oaxaca. Sierra Sur. Juxtlahuaca, Coicoyán, camino a Yosochu, al SW de Coicoyán. | 4029432 |  | |
| Euphorbia Lanj. | 4029433 |  | |||
| Euphorbia Lanj. | G. L. Fisher s.n. | Mexico. Baja California. Jacumba. | 4029436 |  | |
| Euphorbia Lanj. | E. Palmer 1197 17 Feb 1880 | Mexico. Nuevo León. Monterey. | 4029438 |  | |
| Euphorbia Lanj. | 4029439 |  | |||
| Euphorbia Lanj. | E. Palmer 1205 | Mexico. Coahuila. San Lorenzo de Laguna and vicinity, 22 to 27 leagues southwest from Parras. | 4029440 |  | |
| Euphorbia Lanj. | E. Palmer 1204 | Mexico. Coahuila. Juraz, about 100 miles north from Monclova, on the Sabinas river. | 4029441 |  |