| Name | Catillaria nigroclavata (Nylander) J. Steiner | 
| Authorship | (Nylander) J. Steiner | 
| Rank | Species | 
| Placed in | Catillaria A. Massalongo | 
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Catillaria nigroclavata (Nylander) J. Steiner | 
| Identification made in | [no date] (5) |