| ID illustration | 50958 |
| ID publication | 164 |
| ID volume | 1080 |
| code scanning institute | MBO |
| scanning institute | Missouri Botanical Garden, St. Louis, U.S.A. |
| URL volume | https://archive.org/details/mobot31753002274303 |
| ID species cited | 720921 |
| species cited | Opuntia tortispina Engelm. & J.M. Bigelow |
| ID basionym cited | 720921 |
| basionym cited | Opuntia tortispina Engelm. & J.M. Bigelow |
| ID species recognized | 720490 |
| species recognized | Opuntia macrorhiza Engelm. |
| ID basionym recognized | 720490 |
| basionym recognized | Opuntia macrorhiza Engelm. |
| ID genus cited | 1677 |
| genus cited | Opuntia |
| ID genus recognized | 1677 |
| genus recognized | Opuntia |
| Opuntia macrorhiza Engelm. [9] | |
| Cactaceae - Opuntioideae - | |
| vernacular names |
|
| Opuntia Mill. [363] | |
| N.L. Britton, J.N. Rose, Cact., vol. 1 : t. 15 (1919) [M.E. Eaton] [85] | |
| drawing: M.E. Eaton [953] | |
| epithet recognized species: macrorhizus,-a,-um [31] | |
| epithet cited species: tortispinus,-a,-um [2] | |
| Illustration contributed by: | Missouri Botanical Garden, St. Louis, U.S.A. |
N.L. Britton, J.N. Rose, Cact., vol. 1 : t. 15 (1919) [M.E. Eaton]