| Title | Keys of the Monograph of Cactaceae |
| Abbreviation | Keys Monogr. Cact. |
| Authors | K. M. Schumann |
| Publication Dates | May-Jun 1903 |
| TL2 | 11.391 |
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| Title | Keys of the Monograph of Cactaceae |
| Abbreviation | Keys Monogr. Cact. |
| Authors | K. M. Schumann |
| Publication Dates | May-Jun 1903 |
| TL2 | 11.391 |