| ID illustration | 71800 |
| ID publication | 1342 |
| ID volume | 146619 |
| code scanning institute | SFPL |
| scanning institute | San Francisco Public Library, San Francisco, California, U.S.A. |
| URL volume | https://archive.org/details/reportsofexplora04unit_0 |
| ID species cited | 720050 |
| species cited | Opuntia clavata Engelm. |
| ID basionym cited | 720050 |
| basionym cited | Opuntia clavata Engelm. |
| ID species recognized | 119869 |
| species recognized | Austrocactus spiniflorus (Phil.) F.Ritter |
| ID basionym recognized | 720850 |
| basionym recognized | Opuntia spiniflora Phil. |
| ID genus cited | 1677 |
| genus cited | Opuntia |
| ID genus recognized | 1709 |
| genus recognized | Austrocactus |
| Austrocactus spiniflorus (Phil.) F.Ritter [2] | |
|   | Cactaceae - Opuntioideae - |
| vernacular names |
|
| Austrocactus Britton & Rose [3] | |
| J. Torrey, Pacif. Railr. Rep., vol. 4 fasicle 3, : t. 22 (1853-1856) [P. Roetter] [97] | |
| drawing: P. Roetter [153] | |
| epithet recognized species: spiniflorus,-a,-um [3] | |
| epithet cited species: clavatus,-a,-um [145] | |
| Illustration contributed by: | San Francisco Public Library, San Francisco, California, U.S.A. |