| Title | Synopsis of the Cactaceae of the Territory of the United States and Adjacent Regions... |
| Abbreviation | Syn. Cact. U. S. |
| Authors | G. Engelmann |
| Publication Dates | 1856 |
| TL2 | 1.692 |
| Remarks | Preprinted from Proc. Amer. Acad. Arts 3:259-311. The preprint is paginated [1]-59; according to TL2 (#1692), this is a reprint |