| Name | Acarella costaricensis Sydow |
| Authorship | Sydow |
| Rank | Species |
| Placed in | Acarella Sydow |
| Citation | 1927 [1 Jan 1927] Ann. Mycol. 25(1/2): 123 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Acarella costaricensis Sydow |
| Identification made in | [no date] (1) |