Lecidella elaeochroma 
Lepraria incana 
Lichen Ramalina bourgeana 
Lipstick Powderhorn 
Lobaria virens 
Lobariella pallida 
Long-spored Dotted Lichen 
Loxospora pustulata 
Many-forked Cladonia 
Many-fruited Pelt Lichen 
Mapledust Lichen 
Mealy Forked Lichen 
Mealy Pixie Cup 
Melanelixia fuliginosa 
Melanelixia subaurifera 
Membranous Pelt Lichen 
Methuselah's Beard Lichen 
Methuselahs beard lichen 
Myelochroa aurulenta 
Myelochroa galbina 
Necker's Felt Lichen 
Net-marked parmelia 
Oakmoss 
Ochrolechia yasudae