| Common Name | Scientific Name | Code |
| n/a | Fuscidea arboricola Coppins & Tonsberg | FUAR2 |
| n/a | Fuscidea intercincta (Nyl.) Poelt | FUIN |
| n/a | Fuscidea lightfootii (Sm.) Coppins & P. James | FULI2 |
| n/a | Fuscidea pusilla Tonsberg | FUPU2 |
| n/a | Lettauia cladoniicola D. Hawksw. & R. Sant. | LECL4 |
| n/a | Lettauia D. Hawksw. & R. Sant. | LETTA |
| n/a | Lettauia santessonii Ihlen & Tonsberg | LESA19 |
| n/a | Ropalospora chlorantha (Tuck.) S. Ekman | ROCH2 |
| n/a | Ropalospora hibernica (P. James & Poelt) Tonsberg | ROHI5 |
| n/a | Ropalospora viridis (Tonsberg) Tonsberg | ROVI5 |
| Carolina maronea lichen | Maronea carolinae H. Magn. | MACA18 |
| Fuscidea cyathoides | Lecidea cyathoides (Ach.) Ach. | LECY11 |
| Fuscidea cyathoides | Lecidea rivulosa Ach. | LERI5 |
| Fuscidea gyrodes | Lecidea gyrodes H. Magn. | LEGY2 |
| Fuscidea kochiana | Lecidea kochiana Hepp | LEKO2 |
| fuscidea lichen | Fuscidea cyathoides (Ach.) V. Wirth & Vezda | FUCY2 |
| fuscidea lichen | Fuscidea gyrodes (H. Magn.) | FUGY |
| fuscidea lichen | Fuscidea kochiana (Hepp) V. Wirth & Vezda | FUKO |
| fuscidea lichen | Fuscidea lowensis (H. Magn.) R. Anderson & Hertel | FULO2 |
| fuscidea lichen | Fuscidea mollis (Wahlenb.) V. Wirth & Vezda | FUMO |
| fuscidea lichen | Fuscidea praeruptorum (Du Rietz & H. Magn.) V. Wirth & Vezda | FUPR |
| fuscidea lichen | Fuscidea recensa (Stirton) Hertel, V. Wirth & Vezda | FURE2 |
| fuscidea lichen | Fuscidea subfilamentosa (Zahlbr.) Brako | FUSU |
| fuscidea lichen | Fuscidea subreagens (H. Magn.) Oberholl. & V. Wirth | FUSU2 |
| fuscidea lichen | Fuscidea V. Wirth & Vezda | FUSCI |
| Fuscidea lowensis | Lecidea aleutica Degel. | LEAL38 |
| Fuscidea lowensis | Lecidea lowensis H. Magn. | LELO8 |
| Fuscidea mollis | Lecidea mollis (Wahlenb.) Nyl. | LEMO12 |
| Fuscidea praeruptorum | Lecidea praeruptorum Du Rietz & H. Magn. | LEPR13 |
| Fuscidea recensa | Lecidea arcuatula (Arnold) Nyl. | LEAR22 |
| Fuscidea recensa | Lecidea recensa Stirton | LERE14 |
| Fuscidea subfilamentosa | Phyllopsora subfilamentosa Zahlbr. | PHSU16 |
| Fuscidea subreagens | Lecidea kochiana Hepp var. subreagens H. Magn. | LEKOS |
| maronea lichen | Maronea A. Massal. | MARON |
| maronea lichen | Maronea constans (Nyl.) Hepp | MACO28 |
| maronea lichen | Maronea polyphaea H. Magn. | MAPO11 |
| orphniospora lichen | Orphniospora Korber | ORPHN |
| orphniospora lichen | Orphniospora moriopsis (A. Massal.) D. Hawksw. | ORMO2 |
| Orphniospora moriopsis | Buellia atrata (Sm.) Anzi | BUAT |
| Orphniospora moriopsis | Buellia coracina (Nyl.) Korber | BUCO9 |
| Orphniospora moriopsis | Buellia moriopsis (A. Massal.) Th. Fr. | BUMO4 |
| Orphniospora moriopsis | Orphniospora atrata (Sm.) Poelt | ORAT2 |
| Ropalospora chlorantha | Bacidia chlorantha (Tuck.) Fink | BACH2 |
| ropalospora lichen | Ropalospora A. Massal. | ROPAL |
| ropalospora lichen | Ropalospora lugubris (Sommerf.) Poelt | ROLU3 |
| Ropalospora lugubris | Bacidia lugubris (Sommerf.) Zahlbr. | BALU6 |
| Ropalospora lugubris | Bilimbia caudata (Nyl.) Fink | BICA8 |
| Ropalospora lugubris | Lecidea lugubris Sommerf. | LELU5 |