| Name | Cryptothecia filicina (Ellis & Everhart) R. Lucking & G. Thor | 
| Authorship | (Ellis & Everhart) R. Lucking & G. Thor | 
| Rank | Species | 
| Placed in | Cryptothecia Stirton | 
| Citation | 2006 Lichenologist 38(3): 238 | 
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Cryptothecia filicina (Ellis & Everhart) R. Lucking & G. Thor | 
| Identification made in | 2009 (2) | 
