| Name | Crassula helmsii (Kirk) Cockayne |
| Authorship | (Kirk) Cockayne |
| Rank | Species |
| Placed in | Crassula Linnaeus |
| Citation | 1907 Trans. & Proc. New Zealand Inst. 39: 349 |
| Holdings | 10 Specimens held in the Harvard University Herbaria identified as Crassula helmsii (Kirk) Cockayne |
| Identification made in | [no date] (10) |