| Ramalina wigginsiae Rundel & Bowler, 1973 |
| Ramalinaceae C. Agardh, 1821 |
| Scutula Tul., 1852 |
| Scutula circumspecta (Nyl. ex Vain.) Kistenich, 2018 |
| Thalloidima A. Massal., 1852 |
| Thalloidima ioen (Herre) S. Ekman & Timdal, 2018 |
| Toniniopsis Frey, 1926 |
| Toniniopsis aromatica (Sm.) Kistenich, 2018 |
| Trichoramalina Rundel & Bowler, 1974 |
| Trichoramalina crinita (Tuck.) Rundel & Bowler, 1974 |
| Vermilacinia Spjut & Hale, 1995 |
| Vermilacinia cedrosensis (J.E. Marsh & T.H. Nash) Spjut, 1996 |
| Vermilacinia ceruchis (Ach.) Rundel & Bowler, 1978 |
| Vermilacinia ceruchoides (Rundel & Bowler) Spjut, 1996 |
| Vermilacinia laevigata (Rundel & Bowler) Spjut, 1996 |
| Vermilacinia leopardina Spjut, 1996 |