| Niebla arenaria Spjut, 1996 |
| Niebla cedrosensis J.E. Marsh & T.H. Nash, 1994 |
| Niebla cephalota (Tuck.) Rundel & Bowler, 1878 |
| Niebla ceruchis (Ach.) Rundel & Bowler, 1978 |
| Niebla ceruchoides Rundel & Bowler, 1994 |
| Niebla combeoides (Nyl.) Rundel & Bowler, 1978 |
| Niebla homalea (Ach.) Rundel & Bowler, 1978 |
| Niebla isidiaescens Bowler, 1994 |
| Niebla josecuervoi (Rundel & Bowler) Rundel & Bowler, 1978 |
| Niebla juncosa Spjut, 1996 |
| Niebla lobulata Spjut, 1996 |
| Niebla marinii Spjut, 1996 |
| Niebla procera Rundel & Bowler, 1994 |
| Niebla undulata Spjut, 1996 |
| Ramalina Ach., 1809 |
| Ramalina alludens Nyl., 1870 |
| Ramalina americana Hale, 1979 |
| Ramalina anceps Nyl., 1860 |
| Ramalina asahinae W.L. Culb. & C.F. Culb., 1976 |
| Ramalina aspera Räsänen, 1944 |