| 1 | | Hammered Shield Lichen | Parmelia | sulcata | 18 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 2 |  | Cumberland Rock-Shield | Xanthoparmelia | cumberlandia | 6 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 3 | | Rock Greenshield | Flavoparmelia | baltimorensis | 62 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 4 | | Black-eyed Rosette Lichen | Parmelia | phaea | 2 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 5 | | Horny Beard Lichen | Usnea | subscabrosa | 4 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 6 | | Hairless-spined Shield Lichen | Parmelinopsis | minarum | 7 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 7 | | Shingled Rock-Shield (somloensis) | Xanthoparmelia | somloensis | 10 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 8 | | Common Antler Lichen | Pseudevernia | consocians | 8 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 9 | | Shingled Rock-Shield (viriduloumbrina) | Xanthoparmelia | viriduloumbrina | 2 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 10 | | Speckled Greenshield | Flavopunctelia | flaventior | 8 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 11 | | Cracked Ruffle Lichen | Parmotrema | dilatatum | 3 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 12 | | American Anzia Lichen | Anzia | americana | 1 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 13 | | Eastern Speckled Shield Lichen | Punctelia | bolliana | 1 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 14 | | Southern Starburst Lichen | Parmeliopsis | subambigua | 3 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 15 | | Monk's Hood Lichen | Hypogymnia | physodes | 9 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 16 | | Yellow Ribbon Lichen | Usnocetraria | oakesiana | 14 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 17 | | No Common Name | Parmotrema | gardneri | 0 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 18 | | Sea-storm Lichen | Cetrelia | cetrarioides | 1 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 19 | | Rough Speckled Shield Lichen | Punctelia | rudecta | 136 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 20 | | Powdered Speckled Shield Lichen | Punctelia | subrudecta | 18 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 21 | | Grainy Loop Lichen | Hypotrachyna | osseoalba | 2 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 22 | | Burred Horsehair Lichen | Bryoria | furcellata | 3 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 23 | | Southern Powdered Ruffle Lichen (hypotropum) | Parmotrema | hypotropum | 72 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 24 | | Abraded Camouflage Lichen | Melanelixia | subaurifera | 5 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 25 | | No Common Name | Rimelia | subisidiosa | 4 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 26 | | Warty Beard Lichen | Usnea | ceratina | 3 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 27 | | American Starburst Lichen | Imshaugia | placorodia | 21 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 28 | | Carolina Shield Lichen | Canoparmelia | caroliniana | 5 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 29 | | Perforated Parmotrema Lichen | Parmotrema | perforatum | 21 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 30 | | Ambiguous Bran Lichen | Parmeliopsis | ambigua | 2 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 31 | | Fringed Wrinkle-Lichen | Tuckermannopsis | ciliaris | 22 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 32 | | No Common Name | Punctelia | caseana | 2 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 33 | | Appalachian Tree Brown-Shield | Melanohalea | halei | 1 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 34 | | Texas Shield Lichen | Canoparmelia | texana | 2 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 35 | | Unperforated Ruffle Lichen | Parmotrema | submarginale | 10 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 36 | | Mealy Speckled Shield | Punctelia | missouriensis | 1 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 37 | | Bloody Beard Lichen | Usnea | mutabilis | 9 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 38 | | Smooth Axil-bristle Lichen | Myelochroa | galbina | 3 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 39 | | Sea-storm Lichen | Cetrelia | olivetorum | 7 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 40 | | Green Ruffle Lichen | Parmotrema | xanthinum | 1 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 41 | | Pennsylvania Beard Lichen | Usnea | pensylvanica | 2 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 42 | | Bony Beard Lichen | Usnea | trichodea | 4 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 43 | | Rock Axil-bristle Lichen | Myelochroa | obsessa | 4 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 44 | | Common Greenshield | Flavoparmelia | caperata | 293 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 45 | | Tuckerman's Ragged Lichen | Platismatia | tuckermanii | 7 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 46 | | Shingled Rock-Shield (subramigera) | Xanthoparmelia | subramigera | 9 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 47 | | Peppered Rock-Shield | Xanthoparmelia | conspersa | 15 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 48 | | Bottlebrush Shield Lichen | Parmelia | squarrosa | 14 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 49 | | Appalachian Speckled Shield Lichen | Punctelia | appalachensis | 0 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 50 | | Gray Starburst Lichen | Parmeliopsis | hyperopta | 1 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 51 | | Kroge's Tube Lichen | Hypogymnia | krogii | 1 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 52 | | Hairy-spined Shield Lichen | Hypotrachyna | horrescens | 8 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 53 | | Plitt's Rock-Shield | Xanthoparmelia | plittii | 13 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 54 | | No Common Name | Punctelia | borreri | 0 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 55 | | Ragbag | Platismatia | glauca | 7 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 56 | | Wrinkled Loop Lichen | Hypotrachyna | livida | 24 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 57 | | Salted Ruffle Lichen | Parmotrema | crinitum | 7 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 58 | | Tasmanian Xanthoparmelia Lichen | Xanthoparmelia | tasmanica | 1 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 59 | | No Common Name | Rimelia | cetrata | 1 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 60 | | Cracked Ruffle Lichen | Parmotrema | reticulatum | 8 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 61 | | Salted Starburst Lichen | Imshaugia | aleurites | 16 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 62 | | Eastern Candlewax Lichen | Ahtiana | aurescens | 1 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 63 | | No Common Name | Parmotrema | eurysacum | 2 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 64 | | Sandwort Cetraria Lichen | Cetraria | islandica | 2 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 65 | | Dwarf Wrinkle-Lichen | Tuckermanella | fendleri | 4 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 66 | | Sand-loving Iceland Lichen | Cetraria | arenaria | 9 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 67 | | Appalachian Camouflage Lichen | Melanelia | culbersonii | 2 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 68 | | Black-foam Lichen | Anzia | colpodes | 3 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 69 | | Southern Powdered Ruffle Lichen (hypoleucinum) | Parmotrema | hypoleucinum | 4 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 70 | | Powder-edged Speckled Greenshield | Flavopunctelia | soredica | 2 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 71 | | Fishbone Beard Lichen | Usnea | dasopoga | 1 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 72 | | No Common Name | Usnea | subfloridana | 1 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 73 | | Powdery Axil-bristle Lichen | Myelochroa | aurulenta | 73 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 74 | | Mottled Ruffle Lichen | Canomaculina | subtinctoria | 2 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 75 | | Margarite Parmotrema Lichen | Parmotrema | margaritatum | 2 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 76 | | Lustrous Camouflage Lichen | Melanohalea | exasperata | 1 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 77 | | Strigose Beard Lichen | Usnea | strigosa | 65 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 78 | | No Common Name | Myelochroa | metarevoluta | 1 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 79 | | No Common Name | Canoparmelia | crozalsiana | 4 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 80 | | Powder-edged Ruffle Lichen | Parmotrema | stuppeum | 7 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 81 | | Powdered Ruffle Lichen | Parmotrema | perlatum | 19 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 82 | | Shingled Rock-Shield | Xanthoparmelia | angustiphylla | 1 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 83 | | Salted Shield Lichen | Parmelia | saxatilis | 5 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 84 | | Chicita's Giant Shield Lichen | Cetrelia | chicitae | 10 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 85 | | No Common Name | Parmotrema | subrigidum | 2 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 86 | | American Tuckermannopsis Lichen | Tuckermannopsis | americana | 4 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
