| Name | Groutiella macrorrhyncha (Mitten ex Bosch & Sande Lacoste) Wijk & Margadant |
| Authorship | (Mitten ex Bosch & Sande Lacoste) Wijk & Margadant |
| Rank | Species |
| Placed in | Groutiella |
| Citation | 1960 Taxon 9: 51 |
| Holdings | 30 Specimens held in the Harvard University Herbaria identified as Groutiella macrorrhyncha (Mitten ex Bosch & Sande Lacoste) Wijk & Margadant |
| Identification made in | [no date] (29), 2024 (1) |