| Common Name | Scientific Name | Code |
| n/a | Nanostictis M. S. Christ. | NANOS |
| n/a | Nanostictis pseudocyphellariae Sherwood | NAPS2 |
| absconditella lichen | Absconditella Vezda | ABSCO |
| California topelia lichen | Topelia californica P. M. Jorg. & Vezda | TOCA7 |
| conotrema lichen | Conotrema Tuck. | CONOT |
| Farlow's petractis | Petractis farlowii (Tuck. ex Nyl.) Vezda | PEFA4 |
| petractis | Petractis Fr. | PETRA3 |
| sphagnum absonditella lichen | Absconditella sphagnorum Vezda & Poelt | ABSP |
| Thelopsis isiaca | Thelopsis subporinella Nyl. | THSU8 |
| thelopsis lichen | Thelopsis falveola Arnold | THFA2 |
| thelopsis lichen | Thelopsis inordinata Nyl. | THIN10 |
| thelopsis lichen | Thelopsis isiaca Stizenb. | THIS |
| thelopsis lichen | Thelopsis melathelia Nyl. | THME3 |
| thelopsis lichen | Thelopsis Nyl. | THELO4 |
| thelopsis lichen | Thelopsis rubella Nyl. | THRU2 |
| topelia lichen | Topelia aperiens P. M. Jorg. & Vezda | TOAP3 |
| topelia lichen | Topelia P. M. Jorg. & Vezda | TOPEL |
| trivial absconditella lichen | Absconditella trivialis (Willey ex Tuck.) Vezda | ABTR3 |
| urceolate conotrema lichen | Conotrema urceolatum (Ach.) Tuck. | COUR2 |