| CSSA VOL.90, Summer 2018, No.2 |
| The Huntington Botanical Garden Presents the 2018 Offering of the International Succulent Introductions | John N. Trager |
| CSSA seed depot update | Sue Haffner |
| Typification of Copiapoa algarrobensis | Fred Katterman |
| Agave Mite - a quick and dirty primer | Ron Parker |
| Neohaiticereus: a new subgenus for a rediscovered Cereeae | Alberto Areces-Mallea |
| Two new species of Ledebouria from the Eastern Cape | David M. Cumming |
| Book Review: Mammillaria now & again | Wendell S. "Woody" Minnich |
| Molecular analysis of the genus Eriosyce, Part IV | Fred Kattermann |
| Obituary: Lee Janney Miller | Dan Mahr |
| Book Review: Xerophile Cactus Photos from Expeditions of the Obsessed | Tom Glavich |
| Crassulaceae from west-central Mexico | Raul Acevedo-Rosas, Miguel de Jesús Cházaro-Basáñnez, H. David Jimeno-Sevilla, & Osvaldo Zuno Delgadillo |