| Name | Arrhenechthites tomentellus Mattfeld |
| Authorship | Mattfeld |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Arrhenechthites |
| Citation | 1938 Bot. Jahrb. Syst. 69: 290 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Arrhenechthites tomentellus Mattfeld |
| Identification made in | [no date] (2) |