| Name | Crassula tetragona Linnaeus |
| Authorship | Linnaeus |
| Rank | Species |
| Placed in | Crassula Linnaeus |
| Contains | Crassula tetragona subsp. robusta (Toelken) Toelken |
| Citation | 1753 Sp. Pl. 1: 283 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Crassula tetragona Linnaeus |
| Identification made in | [no date] (5) |