| Title | Explanatory Diagram of Austroechinocactinae |
| Abbreviation | Explan. Diagr. Austroechinocactinae |
| Authors | Y. Ito |
| Publication Dates | 1957 |
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| Title | Explanatory Diagram of Austroechinocactinae |
| Abbreviation | Explan. Diagr. Austroechinocactinae |
| Authors | Y. Ito |
| Publication Dates | 1957 |