| Title | IOS Bulletin; Journal of the International Organization for Succulent Plant Study. Monaco, etc. |
| Abbreviation | I.O.S. Bull. |
| Publication Dates | Nos. 1-4, 1958-1960; ser. 2, no. 1+, 1961+ |
| BPH | BPH/S p. 384 |
| Remarks | Preceded by I. O. S. Circular |
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