| Name | Thaumatocaryon tetraquetrum (Chamisso) I. M. Johnston |
| Authorship | (Chamisso bis) I. M. Johnston |
| Rank | Species |
| Placed in | Thaumatocaryon |
| Citation | 1924 Contr. Gray Herb. 70: 12 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Thaumatocaryon tetraquetrum (Chamisso) I. M. Johnston |
| Identification made in | [no date] (2), 2018 (3) |