| 1 | | Cracked Lichen | Acarospora | fuscata | 4 | Lichens | Acarosporaceae | Acarosporales | Lecanoromycetes | Fungi |
| 2 | | Schleicher's Cracked Lichen | Acarospora | schleicheri | 3 | Lichens | Acarosporaceae | Acarosporales | Lecanoromycetes | Fungi |
| 3 | | Eastern Candlewax Lichen | Ahtiana | aurescens | 1 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 4 |  | Yellow Ribbon Lichen | Usnocetraria | oakesiana | 14 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 5 | | Tiny Button Lichen | Amandinea | punctata | 8 | Lichens | Caliciaceae | Caliciales | Lecanoromycetes | Fungi |
| 6 | | No Common Name | Amandinea | milliaria | 1 | Lichens | Caliciaceae | Caliciales | Lecanoromycetes | Fungi |
| 7 | | Shaggy-fringe Lichen | Anaptychia | palmulata | 21 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 8 | | Black-foam Lichen | Anzia | colpodes | 3 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 9 | | No Common Name | Aspicilia | caesiocinerea | 6 | Lichens | Megasporaceae | Pertusariales | Lecanoromycetes | Fungi |
| 10 | | Cinder Lichen | Aspicilia | cinerea | 7 | Lichens | Megasporaceae | Pertusariales | Lecanoromycetes | Fungi |
| 11 | | No Common Name | Bacidia | inundata | 0 | Lichens | Ramalinaceae | Lecanorales | Lecanoromycetes | Fungi |
| 12 | | No Common Name | Bacidia | laurocerasi | 1 | Lichens | Ramalinaceae | Lecanorales | Lecanoromycetes | Fungi |
| 13 | | No Common Name | Bacidia | phacodes | 0 | Lichens | Ramalinaceae | Lecanorales | Lecanoromycetes | Fungi |
| 14 | | No Common Name | Bacidia | polychroa | 2 | Lichens | Ramalinaceae | Lecanorales | Lecanoromycetes | Fungi |
| 15 | | Schweinitz's Dotted Lichen | Bacidia | schweinitzii | 11 | Lichens | Ramalinaceae | Lecanorales | Lecanoromycetes | Fungi |
| 16 | | No Common Name | Bacidia | trachona | 1 | Lichens | Ramalinaceae | Lecanorales | Lecanoromycetes | Fungi |
| 17 | | No Common Name | Baculifera | curtisii | 5 | Lichens | Caliciaceae | Caliciales | Lecanoromycetes | Fungi |
| 18 | | No Common Name | Hertelidea | botryosa | 0 | Lichens | Stereocaulaceae | Lecanorales | Lecanoromycetes | Fungi |
| 19 | | Spring Biatora Lichen | Biatora | vernalis | 1 | Lichens | Ramalinaceae | Lecanorales | Lecanoromycetes | Fungi |
| 20 | | No Common Name | Brigantiaea | leucoxantha | 2 | Lichens | Brigantiaeaceae | Teloschistales | Lecanoromycetes | Fungi |
| 21 | | Burred Horsehair Lichen | Bryoria | furcellata | 3 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 22 | | Sunken Button Lichen | Buellia | spuria | 12 | Lichens | Caliciaceae | Caliciales | Lecanoromycetes | Fungi |
| 23 | | Stilling's Disc Lichen | Buellia | stillingiana | 26 | Lichens | Caliciaceae | Caliciales | Lecanoromycetes | Fungi |
| 24 | | No Common Name | Caloplaca | camptidia | 1 | Lichens | Teloschistaceae | Teloschistales | Lecanoromycetes | Fungi |
| 25 | | Gray-rimmed Firedot Lichen | Caloplaca | cerina | 7 | Lichens | Teloschistaceae | Teloschistales | Lecanoromycetes | Fungi |
| 26 | | Mealy Firedot Lichen | Caloplaca | citrina | 6 | Lichens | Teloschistaceae | Teloschistales | Lecanoromycetes | Fungi |
| 27 | | No Common Name | Caloplaca | crenularia | 0 | Lichens | Teloschistaceae | Teloschistales | Lecanoromycetes | Fungi |
| 28 | | Sidewalk Firedot Lichen | Xanthocarpia | feracissima | 20 | Lichens | Teloschistaceae | Teloschistales | Lecanoromycetes | Fungi |
| 29 | | Bark Sulphur-firedot Lichen | Caloplaca | flavorubescens | 9 | Lichens | Teloschistaceae | Teloschistales | Lecanoromycetes | Fungi |
| 30 | | Sulphur-firedot Lichen | Caloplaca | flavovirescens | 17 | Lichens | Teloschistaceae | Teloschistales | Lecanoromycetes | Fungi |
| 31 | | Firedot Lichen | Caloplaca | holocarpa | 4 | Lichens | Teloschistaceae | Teloschistales | Lecanoromycetes | Fungi |
| 32 | | No Common Name | Caloplaca | lobulata | 2 | Lichens | Teloschistaceae | Teloschistales | Lecanoromycetes | Fungi |
| 33 | | No Common Name | Caloplaca | microphyllina | 1 | Lichens | Teloschistaceae | Teloschistales | Lecanoromycetes | Fungi |
| 34 | | Oxford Orange Lichen | Caloplaca | oxfordensis | 1 | Lichens | Teloschistaceae | Teloschistales | Lecanoromycetes | Fungi |
| 35 | | No Common Name | Caloplaca | sideritis | 2 | Lichens | Teloschistaceae | Teloschistales | Lecanoromycetes | Fungi |
| 36 | | No Common Name | Caloplaca | subsoluta | 4 | Lichens | Teloschistaceae | Teloschistales | Lecanoromycetes | Fungi |
| 37 | | Candleflame Lichen | Candelaria | concolor | 79 | Lichens | Candelariaceae | Candelariales | Lecanoromycetes | Fungi |
| 38 | | Egg-yolk Lichen | Candelariella | vitellina | 20 | Lichens | Candelariaceae | Candelariales | Lecanoromycetes | Fungi |
| 39 | | Mottled Ruffle Lichen | Canomaculina | subtinctoria | 2 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 40 | | Carolina Shield Lichen | Canoparmelia | caroliniana | 5 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 41 | | No Common Name | Canoparmelia | crozalsiana | 4 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 42 | | Texas Shield Lichen | Canoparmelia | texana | 2 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 43 | | No Common Name | Catillaria | chalybeia | 1 | Lichens | Catillariaceae | Lecanorales | Lecanoromycetes | Fungi |
| 44 | | Chicita's Giant Shield Lichen | Cetrelia | chicitae | 10 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 45 | | Sea-storm Lichen | Cetrelia | olivetorum | 7 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 46 | | No Common Name | Chrismofulvea | dialyta | 0 | Lichens | Caliciaceae | Caliciales | Lecanoromycetes | Fungi |
| 47 | | Stalkless Cladonia | Cladonia | apodocarpa | 43 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 48 | | Reindeer Lichen | Cladonia | arbuscula | 12 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 49 | | Atlantic Cup Lichen | Cladonia | atlantica | 29 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 50 | | Beaumont's Cup Lichen | Cladonia | beaumontii | 2 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 51 | | Bory's Cup Lichen | Cladonia | boryi | 0 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 52 | | Stubby-stalked Cladonia | Cladonia | caespiticia | 10 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 53 | | Crowned Pixie-Cup | Cladonia | carneola | 1 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 54 | | Ladder Lichen | Cladonia | verticillata | 20 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 55 | | Mealy Pixie-Cup | Cladonia | chlorophaea | 37 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 56 | | Common Powderhorn | Cladonia | coniocraea | 148 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 57 | | British Soldiers | Cladonia | cristatella | 289 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 58 | | Southern Soldiers | Cladonia | didyma | 26 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 59 | | Trumpet Lichen | Cladonia | fimbriata | 21 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 60 | | Florke's Cup Lichen | Cladonia | floerkeana | 5 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 61 | | Many-forked Cladonia | Cladonia | furcata | 104 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 62 | | Smooth Cladonia | Cladonia | gracilis | 6 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 63 | | Gray's Cup Lichen | Cladonia | grayi | 333 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 64 | | Powder-foot British Soldiers | Cladonia | incrassata | 7 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 65 | | Lipstick Powderhorn | Cladonia | macilenta | 48 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 66 | | Mixed-up Pixie-Cup | Cladonia | mateocyatha | 12 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 67 | | Parasite Cup Lichen | Cladonia | parasitica | 28 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 68 | | Turban Lichen | Cladonia | peziziformis | 135 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 69 | | Piedmont Cup Lichen | Cladonia | piedmontensis | 32 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 70 | | Red-fruited Pixie-Cup | Cladonia | pleurota | 46 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 71 | | Thatched Peg Lichen | Cladonia | polycarpoides | 44 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 72 | | Pebbled Pixie-Cup | Cladonia | pyxidata | 23 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 73 | | Gray Reindeer Lichen | Cladonia | rangiferina | 31 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 74 | | Rapp's Cup Lichen | Cladonia | rappii | 7 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 75 | | Ravenel's Cup Lichen | Cladonia | ravenelii | 0 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 76 | | Wand Lichen | Cladonia | rei | 8 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 77 | | No Common Name | Cladonia | santensis | 1 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 78 | | Dragon Cladonia | Cladonia | squamosa | 189 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 79 | | Star-tipped Reindeer Lichen | Cladonia | stellaris | 8 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 80 | | Olive Cladonia | Cladonia | strepsilis | 96 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 81 | | No Common Name | Cladonia | subcariosa | 66 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 82 | | Dixie Reindeer Lichen | Cladonia | subtenuis | 268 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 83 | | No Common Name | Cladonia | sylvatica | 0 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 84 | | Turgid Cup Lichen | Cladonia | turgida | 4 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 85 | | Thorn Cladonia | Cladonia | uncialis | 37 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 86 | | Salted Shell Lichen | Coccocarpia | palmicola | 7 | Lichens | Coccocarpiaceae | Peltigerales | Lecanoromycetes | Fungi |
| 87 | | Tar Jelly Lichen | Enchylium | coccophorum | 0 | Lichens | Collemataceae | Peltigerales | Lecanoromycetes | Fungi |
| 88 | | Conglomerate Jelly Lichen | Enchylium | conglomeratum | 0 | Lichens | Collemataceae | Peltigerales | Lecanoromycetes | Fungi |
| 89 | | Blistered Jelly-Lichen | Collema | furfuraceum | 3 | Lichens | Collemataceae | Peltigerales | Lecanoromycetes | Fungi |
| 90 | | Crumpled Rock-Jelly | Lathagrium | fuscovirens | 0 | Lichens | Collemataceae | Peltigerales | Lecanoromycetes | Fungi |
| 91 | | Crumpled Bat's Wing | Collema | leptaleum | 0 | Lichens | Collemataceae | Peltigerales | Lecanoromycetes | Fungi |
| 92 | | Common Tree-Jelly | Collema | subflaccidum | 2 | Lichens | Collemataceae | Peltigerales | Lecanoromycetes | Fungi |
| 93 | | Undulate Jelly Lichen | Lethagrium | undulatum | 0 | Lichens | Collemataceae | Lecanorales | Lecanoromycetes | Fungi |
| 94 | | No Common Name | Cyphelium | tigillare | 2 | Lichens | Coniocybaceae | Coniocybales | Lecanoromycetes | Fungi |
| 95 | | Streamside Stippleback | Romjularia | lurida | 17 | Lichens | Lecideaceae | Lecideales | Lecanoromycetes | Fungi |
| 96 | | Pink Earth Lichen | Dibaeis | baeomyces | 29 | Lichens | Icmadophilaceae | Pertusariales | Lecanoromycetes | Fungi |
| 97 | | Golden Moonglow Lichen | Dimelaena | oreina | 9 | Lichens | Caliciaceae | Caliciales | Lecanoromycetes | Fungi |
| 98 | | Rock Greenshield | Flavoparmelia | baltimorensis | 64 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 99 | | Common Greenshield | Flavoparmelia | caperata | 294 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 100 | | Speckled Greenshield | Flavopunctelia | flaventior | 8 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 101 | | Rock Shingle Lichen | Fuscopannaria | leucophaea | 0 | Lichens | Pannariaceae | Peltigerales | Lecanoromycetes | Fungi |
| 102 | | Rimmed Shingle Lichen | Fuscopannaria | leucosticta | 3 | Lichens | Pannariaceae | Peltigerales | Lecanoromycetes | Fungi |
| 103 | | No Common Name | Gassicurtia | vernicoma | 1 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 104 | | Common Script Lichen | Graphis | scripta | 84 | Lichens | Graphidaceae | Ostropales | Lecanoromycetes | Fungi |
| 105 | | No Common Name | Buellia | disciformis | 2 | Lichens | Caliciaceae | Caliciales | Lecanoromycetes | Fungi |
| 106 | | White Fringe Lichen | Heterodermia | albicans | 2 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 107 | | Appalachian Fringe Lichen | Heterodermia | appalachensis | 1 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 108 | | No Common Name | Heterodermia | granulifera | 3 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 109 | | Cupped Fringe Lichen | Heterodermia | hypoleuca | 2 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 110 | | Obscure Shield Lichen | Heterodermia | obscurata | 8 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 111 | | Powdered Fringe Lichen | Heterodermia | speciosa | 13 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 112 | | No Common Name | Hymenelia | epulotica | 0 | Lichens | Hymeneliaceae | Hymeneliales | Lecanoromycetes | Fungi |
| 113 | | Smooth Shadow-crust Lichen | Hyperphyscia | syncolla | 1 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 114 | | Common Clam Lichen | Hypocenomyce | scalaris | 4 | Lichens | Ophioparmaceae | Umbilicariales | Lecanoromycetes | Fungi |
| 115 | | Kroge's Tube Lichen | Hypogymnia | krogii | 1 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 116 | | Monk's Hood Lichen | Hypogymnia | physodes | 9 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 117 | | Wrinkled Loop Lichen | Hypotrachyna | livida | 24 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 118 | | Grainy Loop Lichen | Hypotrachyna | osseoalba | 2 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 119 | | Salted Starburst Lichen | Imshaugia | aleurites | 16 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 120 | | American Starburst Lichen | Imshaugia | placorodia | 21 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 121 | | Common Toadskin | Lasallia | papulosa | 51 | Lichens | Umbilicariaceae | Umbilicariales | Lecanoromycetes | Fungi |
| 122 | | Pennsylvania Blistered Naval Lichen | Lasallia | pensylvanica | 14 | Lichens | Umbilicariaceae | Umbilicariales | Lecanoromycetes | Fungi |
| 123 | | No Common Name | Lecanora | cadubriae | 0 | Lichens | Lecanoraceae | Lecanorales | Lecanoromycetes | Fungi |
| 124 | | Frosted Rim-Lichen | Lecanora | caesiorubella | 5 | Lichens | Lecanoraceae | Lecanorales | Lecanoromycetes | Fungi |
| 125 | | No Common Name | Lecanora | campestris | 1 | Lichens | Lecanoraceae | Lecanorales | Lecanoromycetes | Fungi |
| 126 | | No Common Name | Lecanora | chlarotera | 2 | Lichens | Lecanoraceae | Lecanorales | Lecanoromycetes | Fungi |
| 127 | | Mortar Rim-Lichen | Myriolecis | dispersa | 6 | Lichens | Lecanoraceae | Lecanorales | Lecanoromycetes | Fungi |
| 128 | | No Common Name | Lecanora | expallens | 5 | Lichens | Lecanoraceae | Lecanorales | Lecanoromycetes | Fungi |
| 129 | | Hagen's Rim-Lichen | Myriolecis | hagenii | 5 | Lichens | Lecanoraceae | Lecanorales | Lecanoromycetes | Fungi |
| 130 | | Bumpy Rim-Lichen | Lecanora | hybocarpa | 13 | Lichens | Lecanoraceae | Lecanorales | Lecanoromycetes | Fungi |
| 131 | | Imshaug's Rim-Lichen | Lecanora | imshaugii | 0 | Lichens | Lecanoraceae | Lecanorales | Lecanoromycetes | Fungi |
| 132 | | Stonewall Rim-Lichen | Lecanora | muralis | 4 | Lichens | Lecanoraceae | Lecanorales | Lecanoromycetes | Fungi |
| 133 | | Granite-speck Rim-Lichen | Lecanora | polytropa | 0 | Lichens | Lecanoraceae | Lecanorales | Lecanoromycetes | Fungi |
| 134 | | No Common Name | Lecanora | pulicaris | 2 | Lichens | Lecanoraceae | Lecanorales | Lecanoromycetes | Fungi |
| 135 | | Mealy Rim-Lichen | Lecanora | strobilina | 26 | Lichens | Lecanoraceae | Lecanorales | Lecanoromycetes | Fungi |
| 136 | | Driftwood Rim-Lichen | Lecanora | xylophila | 1 | Lichens | Lecanoraceae | Lecanorales | Lecanoromycetes | Fungi |
| 137 | | No Common Name | Lecidea | cyrtidia | 1 | Lichens | Lecideaceae | Lecideales | Lecanoromycetes | Fungi |
| 138 | | No Common Name | Lecidea | plebeja | 1 | Lichens | Lecideaceae | Lecideales | Lecanoromycetes | Fungi |
| 139 | | Disk Lichen | Lecidella | stigmatea | 7 | Lichens | Lecanoraceae | Lecanorales | Lecanoromycetes | Fungi |
| 140 | | Zoned Dust Lichen | Lepraria | caesioalba | 4 | Lichens | Stereocaulaceae | Lecanorales | Lecanoromycetes | Fungi |
| 141 | | Blue Skin Lichen | Leptogium | azureum | 1 | Lichens | Collemataceae | Peltigerales | Lecanoromycetes | Fungi |
| 142 | | Blue Jellyskin | Leptogium | cyanescens | 19 | Lichens | Collemataceae | Peltigerales | Lecanoromycetes | Fungi |
| 143 | | Tattered Jellyskin | Scytinium | lichenoides | 6 | Lichens | Collemataceae | Peltigerales | Lecanoromycetes | Fungi |
| 144 | | Frilly Jellyskin | Leptogium | phyllocarpum | 0 | Lichens | Collemataceae | Peltigerales | Lecanoromycetes | Fungi |
| 145 | | No Common Name | Scytinium | subtile | 1 | Lichens | Collemataceae | Peltigerales | Lecanoromycetes | Fungi |
| 146 | | Lungwort | Lobaria | pulmonaria | 4 | Lichens | Lobariaceae | Peltigerales | Lecanoromycetes | Fungi |
| 147 | | Smooth Lungwort | Lobaria | quercizans | 7 | Lichens | Lobariaceae | Peltigerales | Lecanoromycetes | Fungi |
| 148 | | Appalachian Camouflage Lichen | Melanelia | culbersonii | 2 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 149 | | Appalachian Tree Brown-Shield | Melanohalea | halei | 1 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 150 | | Erratic Dot Lichen | Micarea | erratica | 3 | Lichens | Pilocarpaceae | Lecanorales | Lecanoromycetes | Fungi |
| 151 | | Berenger's Mycobilimbia Lichen | Mycobilimbia | berengeriana | 2 | Lichens | Lecideaceae | Lecideales | Lecanoromycetes | Fungi |
| 152 | | Powdery Axil-bristle Lichen | Myelochroa | aurulenta | 73 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 153 | | Smooth Axil-bristle Lichen | Myelochroa | galbina | 3 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 154 | | No Common Name | Myelochroa | metarevoluta | 1 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 155 | | Rock Axil-bristle Lichen | Myelochroa | obsessa | 4 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 156 | | Swiss Kidney Lichen | Nephroma | helveticum | 5 | Lichens | Nephromataceae | Peltigerales | Lecanoromycetes | Fungi |
| 157 | | No Common Name | Ochrolechia | androgyna | 1 | Lichens | Ochrolechiaceae | Pertusariales | Lecanoromycetes | Fungi |
| 158 | | Rosy Saucer Lichen | Ochrolechia | trochophora | 6 | Lichens | Ochrolechiaceae | Pertusariales | Lecanoromycetes | Fungi |
| 159 | | Yasuda's Crab-eye Lichen | Ochrolechia | yasudae | 1 | Lichens | Ochrolechiaceae | Pertusariales | Lecanoromycetes | Fungi |
| 160 | | Mealy-rimmed Shingle Lichen | Pannaria | conoplea | 0 | Lichens | Pannariaceae | Peltigerales | Lecanoromycetes | Fungi |
| 161 | | Veined Shingle Lichen | Pannaria | lurida | 0 | Lichens | Pannariaceae | Peltigerales | Lecanoromycetes | Fungi |
| 162 | | Salted Shield Lichen | Parmelia | saxatilis | 5 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 163 | | Bottlebrush Shield Lichen | Parmelia | squarrosa | 14 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 164 | | Hammered Shield Lichen | Parmelia | sulcata | 18 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 165 | | Hairy-spined Shield Lichen | Hypotrachyna | horrescens | 8 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 166 | | Hairless-spined Shield Lichen | Parmelinopsis | minarum | 7 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 167 | | Salted Ruffle Lichen | Parmotrema | crinitum | 7 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 168 | | Cracked Ruffle Lichen | Parmotrema | dilatatum | 3 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 169 | | No Common Name | Parmotrema | eurysacum | 2 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 170 | | No Common Name | Parmotrema | gardneri | 0 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 171 | | Southern Powdered Ruffle Lichen (hypoleucinum) | Parmotrema | hypoleucinum | 4 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 172 | | Southern Powdered Ruffle Lichen (hypotropum) | Parmotrema | hypotropum | 72 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 173 | | Margarite Parmotrema Lichen | Parmotrema | margaritatum | 2 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 174 | | Perforated Parmotrema Lichen | Parmotrema | perforatum | 21 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 175 | | Powder-edged Ruffle Lichen | Parmotrema | stuppeum | 7 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 176 | | Unperforated Ruffle Lichen | Parmotrema | submarginale | 10 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 177 | | No Common Name | Parmotrema | subrigidum | 2 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 178 | | Green Ruffle Lichen | Parmotrema | xanthinum | 1 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 179 | | Common Freckle Pelt | Peltigera | aphthosa | 5 | Lichens | Peltigeraceae | Peltigerales | Lecanoromycetes | Fungi |
| 180 | | Dog-Lichen | Peltigera | canina | 20 | Lichens | Peltigeraceae | Peltigerales | Lecanoromycetes | Fungi |
| 181 | | Alternating Dog-Lichen | Peltigera | didactyla | 3 | Lichens | Peltigeraceae | Peltigerales | Lecanoromycetes | Fungi |
| 182 | | Elizabeth's Felt Lichen | Peltigera | elisabethae | 1 | Lichens | Peltigeraceae | Peltigerales | Lecanoromycetes | Fungi |
| 183 | | Evans's Felt Lichen | Peltigera | evansiana | 3 | Lichens | Peltigeraceae | Peltigerales | Lecanoromycetes | Fungi |
| 184 | | Horizontal Felt Lichen | Peltigera | horizontalis | 3 | Lichens | Peltigeraceae | Peltigerales | Lecanoromycetes | Fungi |
| 185 | | Black Saddle Lichen | Peltigera | neckeri | 1 | Lichens | Peltigeraceae | Peltigerales | Lecanoromycetes | Fungi |
| 186 | | Many-fruited Pelt | Peltigera | polydactylon | 1 | Lichens | Peltigeraceae | Peltigerales | Lecanoromycetes | Fungi |
| 187 | | Scaly Dog-Lichen | Peltigera | praetextata | 8 | Lichens | Peltigeraceae | Peltigerales | Lecanoromycetes | Fungi |
| 188 | | Field Dog-Lichen | Peltigera | rufescens | 16 | Lichens | Peltigeraceae | Peltigerales | Lecanoromycetes | Fungi |
| 189 | | Bitter Wart Lichen | Pertusaria | amara | 1 | Lichens | Pertusariaceae | Pertusariales | Lecanoromycetes | Fungi |
| 190 | | Ballhead Pore Lichen | Pertusaria | globularis | 0 | Lichens | Pertusariaceae | Pertusariales | Lecanoromycetes | Fungi |
| 191 | | Macoun's Pore Lichen | Pertusaria | macounii | 0 | Lichens | Pertusariaceae | Pertusariales | Lecanoromycetes | Fungi |
| 192 | | Ragged Wart Lichen | Lepra | ophthalmiza | 4 | Lichens | Pertusariaceae | Pertusariales | Lecanoromycetes | Fungi |
| 193 | | Spotted Wart Lichen | Pertusaria | paratuberculifera | 12 | Lichens | Pertusariaceae | Pertusariales | Lecanoromycetes | Fungi |
| 194 | | Plitt's Pore Lichen | Pertusaria | plittiana | 5 | Lichens | Pertusariaceae | Pertusariales | Lecanoromycetes | Fungi |
| 195 | | No Common Name | Pertusaria | propinqua | 1 | Lichens | Pertusariaceae | Pertusariales | Lecanoromycetes | Fungi |
| 196 | | No Common Name | Pertusaria | pustulata | 5 | Lichens | Pertusariaceae | Pertusariales | Lecanoromycetes | Fungi |
| 197 | | No Common Name | Pertusaria | rubefacta | 0 | Lichens | Pertusariaceae | Pertusariales | Lecanoromycetes | Fungi |
| 198 | | Mesa Wart Lichen | Pertusaria | subpertusa | 5 | Lichens | Pertusariaceae | Pertusariales | Lecanoromycetes | Fungi |
| 199 | | No Common Name | Pertusaria | tetrathalamia | 0 | Lichens | Pertusariaceae | Pertusariales | Lecanoromycetes | Fungi |
| 200 | | Texan Pore Lichen | Pertusaria | texana | 3 | Lichens | Pertusariaceae | Pertusariales | Lecanoromycetes | Fungi |
| 201 | | Rimmed Wart Lichen | Varicellaria | velata | 6 | Lichens | Ochrolechiaceae | Pertusariales | Lecanoromycetes | Fungi |
| 202 | | Volcano Wart Lichen | Pertusaria | xanthodes | 5 | Lichens | Pertusariaceae | Pertusariales | Lecanoromycetes | Fungi |
| 203 | | Cernohorskyi's Wreath Lichen | Phaeophyscia | cernohorskyi | 0 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 204 | | Ciliate Wreath Lichen | Phaeophyscia | ciliata | 8 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 205 | | Hairy Shadow Lichen | Phaeophyscia | hirtella | 2 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 206 | | Hispid Wreath Lichen | Phaeophyscia | hispidula | 0 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 207 | | Pompon Shadow Lichen | Phaeophyscia | pusilloides | 5 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 208 | | Orange-cored Shadow Lichen | Phaeophyscia | rubropulchra | 59 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 209 | | Hooded Rosette Lichen | Physcia | adscendens | 4 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 210 | | Hoary Rosette Lichen | Physcia | aipolia | 21 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 211 | | American Rosette Lichen | Physcia | americana | 18 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 212 | | Mealy Rosette Lichen | Physcia | millegrana | 42 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 213 | | Black-eyed Rosette Lichen | Parmelia | phaea | 2 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 214 | | No Common Name | Physcia | pseudospeciosa | 3 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 215 | | Starry Rosette Lichen | Physcia | stellaris | 28 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 216 | | Slender Rosette Lichen | Physcia | subtilis | 8 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 217 | | Cryptic Rosette Lichen | Physciella | chloantha | 4 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 218 | | No Common Name | Physconia | grisea | 6 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 219 | | Tuckerman's Ragged Lichen | Platismatia | tuckermanii | 7 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 220 | | Tar-spot Lichen | Placynthiella | uliginosa | 17 | Lichens | Trapeliaceae | Trapeliales | Lecanoromycetes | Fungi |
| 221 | | Common Ink Lichen | Placynthium | nigrum | 9 | Lichens | Placynthiaceae | Peltigerales | Lecanoromycetes | Fungi |
| 222 | | Common Coal-dust Lichen | Polysporina | simplex | 4 | Lichens | Acarosporaceae | Acarosporales | Lecanoromycetes | Fungi |
| 223 | | No Common Name | Pseudosagedia | cestrensis | 1 | Lichens | Porinaceae | Ostropales | Lecanoromycetes | Fungi |
| 224 | | Smoky-eyed Boulder Lichen | Porpidia | albocaerulescens | 70 | Lichens | Lecideaceae | Lecideales | Lecanoromycetes | Fungi |
| 225 | | No Common Name | Porpidia | macrocarpa | 3 | Lichens | Lecideaceae | Lecideales | Lecanoromycetes | Fungi |
| 226 | | No Common Name | Protoblastenia | rupestris | 0 | Lichens | Psoraceae | Lecanorales | Lecanoromycetes | Fungi |
| 227 | | Common Antler Lichen | Pseudevernia | consocians | 8 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 228 | | Blushing Scale | Psora | decipiens | 0 | Lichens | Psoraceae | Lecanorales | Lecanoromycetes | Fungi |
| 229 | | Yellow Scale | Psora | icterica | 5 | Lichens | Psoraceae | Lecanorales | Lecanoromycetes | Fungi |
| 230 | | Russell's Fishscale Lichen | Psora | russellii | 1 | Lichens | Psoraceae | Lecanorales | Lecanoromycetes | Fungi |
| 231 | | Blue-edged Scale Lichen | Psorula | rufonigra | 7 | Lichens | Psoraceae | Lecanorales | Lecanoromycetes | Fungi |
| 232 | | Appalachian Speckled Shield Lichen | Punctelia | appalachensis | 0 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 233 | | Eastern Speckled Shield Lichen | Punctelia | bolliana | 1 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 234 | | No Common Name | Punctelia | borreri | 0 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 235 | | Rough Speckled Shield Lichen | Punctelia | rudecta | 136 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 236 | | Nipple Lichen | Pycnothelia | papillaria | 129 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 237 | | No Common Name | Lecidea | varians | 7 | Lichens | Lecideaceae | Lecideales | Lecanoromycetes | Fungi |
| 238 | | No Common Name | Pyxine | caesiopruinosa | 4 | Lichens | Caliciaceae | Caliciales | Lecanoromycetes | Fungi |
| 239 | | Mustard Lichen | Pyxine | sorediata | 23 | Lichens | Caliciaceae | Caliciales | Lecanoromycetes | Fungi |
| 240 | | No Common Name | Ramalina | fastigiata | 1 | Lichens | Ramalinaceae | Lecanorales | Lecanoromycetes | Fungi |
| 241 | | Soredia Cartilage Lichen | Ramalina | dilacerata sorediata | 0 | Lichens | Ramalinaceae | Lecanorales | Lecanoromycetes | Fungi |
| 242 | | No Common Name | Rhizocarpon | eupetraeum | 0 | Lichens | Rhizocarpaceae | Rhizocarpales | Lecanoromycetes | Fungi |
| 243 | | World Map Lichen | Rhizocarpon | geographicum | 0 | Lichens | Rhizocarpaceae | Rhizocarpales | Lecanoromycetes | Fungi |
| 244 | | Obscure Map Lichen | Rhizocarpon | obscuratum | 1 | Lichens | Rhizocarpaceae | Rhizocarpales | Lecanoromycetes | Fungi |
| 245 | | Golden Rimmed Navel Lichen | Rhizoplaca | chrysoleuca | 3 | Lichens | Lecanoraceae | Lecanorales | Lecanoromycetes | Fungi |
| 246 | | No Common Name | Rimelia | cetrata | 1 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 247 | | No Common Name | Rimelia | subisidiosa | 4 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 248 | | No Common Name | Rinodina | maculans | 0 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 249 | | Scaly Pepper-spore Lichen | Rinodina | ascociscana | 0 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 250 | | No Common Name | Rinodina | exigua | 0 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 251 | | No Common Name | Rinodina | ochracea | 0 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 252 | | No Common Name | Rinodina | oxydata | 0 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 253 | | Papillate Rinodina Lichen | Rinodina | papillata | 0 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 254 | | No Common Name | Rinodina | subminuta | 0 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 255 | | No Common Name | Rinodina | destituta | 1 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 256 | | No Common Name | Sarcogyne | clavus | 1 | Lichens | Acarosporaceae | Acarosporales | Lecanoromycetes | Fungi |
| 257 | | Frosted Grain-spored Lichen | Sarcogyne | regularis | 2 | Lichens | Acarosporaceae | Acarosporales | Lecanoromycetes | Fungi |
| 258 | | No Common Name | Sarcosagium | campestre | 0 | Lichens | Thelocarpaceae | Thelocarpales | Lecanoromycetes | Fungi |
| 259 | | City Dot Lichen | Scoliciosporum | chlorococcum | 8 | Lichens | Scoliciosporaceae | Lecanorales | Lecanoromycetes | Fungi |
| 260 | | No Common Name | Scoliciosporum | umbrinum | 4 | Lichens | Scoliciosporaceae | Lecanorales | Lecanoromycetes | Fungi |
| 261 | | No Common Name | Sticta | weigelii | 6 | Lichens | Lobariaceae | Peltigerales | Lecanoromycetes | Fungi |
| 262 | | Gold-eye Lichen | Teloschistes | chrysophthalmus | 4 | Lichens | Teloschistaceae | Teloschistales | Lecanoromycetes | Fungi |
| 263 | | No Common Name | Trapelia | coarctata | 0 | Lichens | Trapeliaceae | Trapeliales | Lecanoromycetes | Fungi |
| 264 | | Board Lichen | Trapeliopsis | flexuosa | 5 | Lichens | Trapeliaceae | Trapeliales | Lecanoromycetes | Fungi |
| 265 | | Granular Trapeliopsis Lichen | Trapeliopsis | granulosa | 4 | Lichens | Trapeliaceae | Trapeliales | Lecanoromycetes | Fungi |
| 266 | | Dwarf Wrinkle-Lichen | Tuckermanella | fendleri | 4 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 267 | | Fringed Wrinkle-Lichen | Tuckermannopsis | ciliaris | 22 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 268 | | Smooth Rock Tripe | Umbilicaria | mammulata | 74 | Lichens | Umbilicariaceae | Umbilicariales | Lecanoromycetes | Fungi |
| 269 | | Muehlenberg's Navel Lichen | Umbilicaria | muhlenbergii | 1 | Lichens | Umbilicariaceae | Umbilicariales | Lecanoromycetes | Fungi |
| 270 | | Frosted Rock Tripe | Umbilicaria | americana | 0 | Lichens | Umbilicariaceae | Umbilicariales | Lecanoromycetes | Fungi |
| 271 | | Fishbone Beard Lichen | Usnea | dasopoga | 1 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 272 | | Bloody Beard Lichen | Usnea | mutabilis | 9 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 273 | | Strigose Beard Lichen | Usnea | strigosa | 65 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 274 | | Bony Beard Lichen | Usnea | trichodea | 4 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 275 | | Hooded Sunburst Lichen | Xanthomendoza | fallax | 5 | Lichens | Teloschistaceae | Teloschistales | Lecanoromycetes | Fungi |
| 276 | | Shingled Rock-Shield | Xanthoparmelia | angustiphylla | 1 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 277 | | Peppered Rock-Shield | Xanthoparmelia | conspersa | 15 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 278 | | Cumberland Rock-Shield | Xanthoparmelia | cumberlandia | 6 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 279 | | Plitt's Rock-Shield | Xanthoparmelia | plittii | 13 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 280 | | Shingled Rock-Shield (somloensis) | Xanthoparmelia | somloensis | 10 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 281 | | Tasmanian Xanthoparmelia Lichen | Xanthoparmelia | tasmanica | 1 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 282 | | No Common Name | Amandinea | polyspora | 3 | Lichens | Caliciaceae | Caliciales | Lecanoromycetes | Fungi |
| 283 | | American Anzia Lichen | Anzia | americana | 1 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 284 | | No Common Name | Bacidina | egenula | 1 | Lichens | Ramalinaceae | Lecanorales | Lecanoromycetes | Fungi |
| 285 | | No Common Name | Bacidina | inundata | 0 | Lichens | Ramalinaceae | Lecanorales | Lecanoromycetes | Fungi |
| 286 | | No Common Name | Buellia | badia | 2 | Lichens | Caliciaceae | Caliciales | Lecanoromycetes | Fungi |
| 287 | | No Common Name | Buellia | maculata | 5 | Lichens | Caliciaceae | Caliciales | Lecanoromycetes | Fungi |
| 288 | | No Common Name | Byssoloma | leucoblepharum | 2 | Lichens | Pilocarpaceae | Lecanorales | Lecanoromycetes | Fungi |
| 289 | | No Common Name | Byssoloma | meadii | 2 | Lichens | Pilocarpaceae | Lecanorales | Lecanoromycetes | Fungi |
| 290 | | No Common Name | Calicium | salicinum | 1 | Lichens | Caliciaceae | Caliciales | Lecanoromycetes | Fungi |
| 291 | | No Common Name | Candelariella | reflexa | 1 | Lichens | Candelariaceae | Candelariales | Lecanoromycetes | Fungi |
| 292 | | Sandwort Cetraria Lichen | Cetraria | islandica | 2 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 293 | | Sea-storm Lichen | Cetrelia | cetrarioides | 1 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 294 | | Split-peg Lichen | Cladonia | cariosa | 5 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 295 | | Carolina Cup Lichen | Cladonia | caroliniana | 116 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 296 | | Smooth-footed Powderhorn | Cladonia | ochrochlora | 10 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 297 | | No Common Name | Coenogonium | luteum | 1 | Lichens | Coenogoniaceae | Ostropales | Lecanoromycetes | Fungi |
| 298 | | No Common Name | Coenogonium | pineti | 2 | Lichens | Coenogoniaceae | Ostropales | Lecanoromycetes | Fungi |
| 299 | | No Common Name | Dactylospora | inquilina | 1 | Lichens | Dactylosporaceae | Lecanorales | Lecanoromycetes | Fungi |
| 300 | | Crater Lichen | Diploschistes | scruposus | 8 | Lichens | Graphidaceae | Ostropales | Lecanoromycetes | Fungi |
| 301 | | Frost's Dirinaria Lichen | Pyxine | frostii | 2 | Lichens | Caliciaceae | Caliciales | Lecanoromycetes | Fungi |
| 302 | | No Common Name | Fissurina | insidiosa | 2 | Lichens | Graphidaceae | Ostropales | Lecanoromycetes | Fungi |
| 303 | | Powder-edged Speckled Greenshield | Flavopunctelia | soredica | 2 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 304 | | No Common Name | Hyperphyscia | adglutinata | 0 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 305 | | No Common Name | Julella | fallaciosa | 4 | Lichens | Thelenellaceae | Ostropales | Lecanoromycetes | Fungi |
| 306 | | Blistered Navel Lichen | Lasallia | pustulata | 1 | Lichens | Umbilicariaceae | Umbilicariales | Lecanoromycetes | Fungi |
| 307 | | No Common Name | Lecanora | albella | 2 | Lichens | Lecanoraceae | Lecanorales | Lecanoromycetes | Fungi |
| 308 | | Beaded Rim-Lichen | Lecanora | cinereofusca | 6 | Lichens | Lecanoraceae | Lecanorales | Lecanoromycetes | Fungi |
| 309 | | No Common Name | Lecanora | minutella | 2 | Lichens | Lecanoraceae | Lecanorales | Lecanoromycetes | Fungi |
| 310 | | No Common Name | Lecanora | subpallens | 9 | Lichens | Lecanoraceae | Lecanorales | Lecanoromycetes | Fungi |
| 311 | | Mapledust Lichen | Lecanora | thysanophora | 10 | Lichens | Lecanoraceae | Lecanorales | Lecanoromycetes | Fungi |
| 312 | | No Common Name | Lepraria | caesiella | 3 | Lichens | Stereocaulaceae | Lecanorales | Lecanoromycetes | Fungi |
| 313 | | Fluffy Dust Lichen | Lepraria | finkii | 43 | Lichens | Stereocaulaceae | Lecanorales | Lecanoromycetes | Fungi |
| 314 | | No Common Name | Lepraria | membranacea | 5 | Lichens | Stereocaulaceae | Lecanorales | Lecanoromycetes | Fungi |
| 315 | | Abraded Camouflage Lichen | Melanelixia | subaurifera | 5 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 316 | | Lustrous Camouflage Lichen | Melanohalea | exasperata | 1 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 317 | | No Common Name | Nadvornikia | sorediata | 3 | Lichens | Graphidaceae | Ostropales | Lecanoromycetes | Fungi |
| 318 | | No Common Name | Ochrolechia | pseudopallescens | 1 | Lichens | Ochrolechiaceae | Pertusariales | Lecanoromycetes | Fungi |
| 319 | | Ambiguous Bran Lichen | Parmeliopsis | ambigua | 2 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 320 | | Powdered Ruffle Lichen | Parmotrema | perlatum | 19 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 321 | | No Common Name | Pertusaria | epixantha | 1 | Lichens | Pertusariaceae | Pertusariales | Lecanoromycetes | Fungi |
| 322 | | No Common Name | Phaeographis | inusta | 3 | Lichens | Graphidaceae | Ostropales | Lecanoromycetes | Fungi |
| 323 | | Hairy Shadow Lichen | Phaeophyscia | hirsuta | 0 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 324 | | No Common Name | Phlyctis | boliviensis | 6 | Lichens | Phlyctidaceae | Ostropales | Lecanoromycetes | Fungi |
| 325 | | Spotted Rosette Lichen | Physcia | pumilior | 2 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 326 | | Bottlebrush Frost Lichen | Physconia | detersa | 6 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 327 | | No Common Name | Porina | heterospora | 2 | Lichens | Porinaceae | Ostropales | Lecanoromycetes | Fungi |
| 328 | | No Common Name | Pseudosagedia | rhaphidosperma | 1 | Lichens | Porinaceae | Ostropales | Lecanoromycetes | Fungi |
| 329 | | Mealy Speckled Shield | Punctelia | missouriensis | 1 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 330 | | No Common Name | Pyxine | subcinerea | 5 | Lichens | Caliciaceae | Caliciales | Lecanoromycetes | Fungi |
| 331 | | Willey's Cartilage Lichen | Ramalina | willeyi | 1 | Lichens | Ramalinaceae | Lecanorales | Lecanoromycetes | Fungi |
| 332 | | No Common Name | Ramonia | microspora | 1 | Lichens | Gyalectaceae | Ostropales | Lecanoromycetes | Fungi |
| 333 | | Concentric Map Lichen | Rhizocarpon | concentricum | 3 | Lichens | Rhizocarpaceae | Rhizocarpales | Lecanoromycetes | Fungi |
| 334 | | Peppered Moon Lichen | Sticta | fuliginosa | 1 | Lichens | Lobariaceae | Peltigerales | Lecanoromycetes | Fungi |
| 335 | | Black-eye Lichen | Tephromela | atra | 1 | Lichens | Tephromelataceae | Lecanorales | Lecanoromycetes | Fungi |
| 336 | | No Common Name | Thelotrema | monospermum | 1 | Lichens | Graphidoideae | Ostropales | Lecanoromycetes | Fungi |
| 337 | | No Common Name | Thelotrema | subtile | 2 | Lichens | Graphidoideae | Ostropales | Lecanoromycetes | Fungi |
| 338 | | American Tuckermannopsis Lichen | Tuckermannopsis | americana | 4 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 339 | | Pennsylvania Beard Lichen | Usnea | pensylvanica | 2 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 340 | | Horny Beard Lichen | Usnea | subscabrosa | 4 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 341 | | No Common Name | Xanthomendoza | fulva | 1 | Lichens | Teloschistaceae | Teloschistales | Lecanoromycetes | Fungi |
| 342 | | Shingled Rock-Shield (subramigera) | Xanthoparmelia | subramigera | 9 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 343 | | Shingled Rock-Shield (viriduloumbrina) | Xanthoparmelia | viriduloumbrina | 2 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 344 | | No Common Name | Lepraria | incana | 3 | Lichens | Stereocaulaceae | Lecanorales | Lecanoromycetes | Fungi |
| 345 | | Red Firedot Lichen | Caloplaca | ferruginea | 5 | Lichens | Teloschistaceae | Teloschistales | Lecanoromycetes | Fungi |
| 346 | | Powdery Goldspeck Lichen | Candelariella | efflorescens | 31 | Lichens | Candelariaceae | Candelariales | Lecanoromycetes | Fungi |
| 347 | | No Common Name | Cladonia | polycarpia | 1 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 348 | | Bran Lichen | Cladonia | ramulosa | 8 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 349 | | Cowpie Lichen | Diploschistes | muscorum | 2 | Lichens | Graphidaceae | Ostropales | Lecanoromycetes | Fungi |
| 350 | | Quilt Lichen | Fuscidea | recensa | 2 | Lichens | Fuscideaceae | Umbilicariales | Lecanoromycetes | Fungi |
| 351 | | Brown-eyed Rim-Lichen | Lecanora | allophana | 11 | Lichens | Lecanoraceae | Lecanorales | Lecanoromycetes | Fungi |
| 352 | | No Common Name | Lecidella | carpathica | 1 | Lichens | Lecanoraceae | Lecanorales | Lecanoromycetes | Fungi |
| 353 | | Shadow Dot Lichen | Micarea | peliocarpa | 4 | Lichens | Pilocarpaceae | Lecanorales | Lecanoromycetes | Fungi |
| 354 | | No Common Name | Ochrolechia | parella | 1 | Lichens | Ochrolechiaceae | Pertusariales | Lecanoromycetes | Fungi |
| 355 | | Gray Starburst Lichen | Parmeliopsis | hyperopta | 1 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 356 | | Southern Starburst Lichen | Parmeliopsis | subambigua | 3 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 357 | | Powder-tipped Shadow Lichen | Phaeophyscia | orbicularis | 10 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 358 | | Ragbag | Platismatia | glauca | 7 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 359 | | Concentric Boulder Lichen | Porpidia | crustulata | 15 | Lichens | Lecideaceae | Lecideales | Lecanoromycetes | Fungi |
| 360 | | Powdered Speckled Shield Lichen | Punctelia | subrudecta | 18 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 361 | | Sinewed Ramalina | Ramalina | americana | 5 | Lichens | Ramalinaceae | Lecanorales | Lecanoromycetes | Fungi |
| 362 | | Bumpy Ramalina | Ramalina | complanata | 2 | Lichens | Ramalinaceae | Lecanorales | Lecanoromycetes | Fungi |
| 363 | | Cracked Ruffle Lichen | Parmotrema | reticulatum | 8 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 364 | | Warty Beard Lichen | Usnea | ceratina | 3 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 365 | | Bare-bottom Sunburst Lichen | Xanthomendoza | weberi | 100 | Lichens | Teloschistaceae | Teloschistales | Lecanoromycetes | Fungi |
| 366 | | Green Reindeer Lichen | Cladonia | mitis | 1 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 367 | | Sand-loving Iceland Lichen | Cetraria | arenaria | 9 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 368 | | Sieve Lichen | Cladonia | multiformis | 3 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 369 | | Powdery Peg Lichen | Cladonia | subradiata | 1 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 370 | | Prostrate Thorn Lichen | Cladonia | dimorphoclada | 4 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 371 | | No Common Name | Bacidia | ekmaniana | 3 | Lichens | Ramalinaceae | Lecanorales | Lecanoromycetes | Fungi |
| 372 | | No Common Name | Bacidia | purpurans | 1 | Lichens | Ramalinaceae | Lecanorales | Lecanoromycetes | Fungi |
| 373 | | No Common Name | Bacidia | sorediata | 2 | Lichens | Ramalinaceae | Lecanorales | Lecanoromycetes | Fungi |
| 374 | | No Common Name | Biatora | longispora | 1 | Lichens | Ramalinaceae | Lecanorales | Lecanoromycetes | Fungi |
| 375 | | No Common Name | Biatora | pontica | 1 | Lichens | Ramalinaceae | Lecanorales | Lecanoromycetes | Fungi |
| 376 | | No Common Name | Buellia | dialyta | 1 | Lichens | Caliciaceae | Caliciales | Lecanoromycetes | Fungi |
| 377 | | No Common Name | Caloplaca | decipiens | 1 | Lichens | Teloschistaceae | Teloschistales | Lecanoromycetes | Fungi |
| 378 | | Lipstick Powderhorn (var. bacillaris) | Cladonia | macilenta bacillaris | 5 | Lichens | Cladoniaceae | Lecanorales | Lecanoromycetes | Fungi |
| 379 | | No Common Name | Dictyocatenulata | alba | 1 | Lichens | Ostropomycetidae | Order not established | Lecanoromycetes | Fungi |
| 380 | | No Common Name | Diplotomma | alboatrum | 1 | Lichens | Caliciaceae | Caliciales | Lecanoromycetes | Fungi |
| 381 | | No Common Name | Fuscidea | arboricola | 1 | Lichens | Fuscideaceae | Umbilicariales | Lecanoromycetes | Fungi |
| 382 | | Quilt Lichen (var. arcuatula) | Fuscidea | recensa arcuatula | 1 | Lichens | Fuscideaceae | Umbilicariales | Lecanoromycetes | Fungi |
| 383 | | No Common Name | Heterodermia | neglecta | 1 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 384 | | No Common Name | Lepraria | neglecta | 1 | Lichens | Stereocaulaceae | Lecanorales | Lecanoromycetes | Fungi |
| 385 | | No Common Name | Lepraria | adhaerens | 1 | Lichens | Stereocaulaceae | Lecanorales | Lecanoromycetes | Fungi |
| 386 | | No Common Name | Ochrolechia | arborea | 1 | Lichens | Ochrolechiaceae | Pertusariales | Lecanoromycetes | Fungi |
| 387 | | No Common Name | Ochrolechia | mahluensis | 1 | Lichens | Ochrolechiaceae | Pertusariales | Lecanoromycetes | Fungi |
| 388 | | No Common Name | Phlyctis | petraea | 1 | Lichens | Phlyctidaceae | Ostropales | Lecanoromycetes | Fungi |
| 389 | | No Common Name | Physcia | caesia | 1 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 390 | | No Common Name | Physconia | leucoleiptes | 1 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 391 | | No Common Name | Porpidia | subsimplex | 1 | Lichens | Lecideaceae | Lecideales | Lecanoromycetes | Fungi |
| 392 | | No Common Name | Punctelia | caseana | 2 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 393 | | No Common Name | Ramalina | intermedia | 1 | Lichens | Ramalinaceae | Lecanorales | Lecanoromycetes | Fungi |
| 394 | | No Common Name | Ramalina | obtusata | 1 | Lichens | Ramalinaceae | Lecanorales | Lecanoromycetes | Fungi |
| 395 | | No Common Name | Rinodina | efflorescens | 1 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 396 | | No Common Name | Rinodina | bullata | 1 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 397 | | No Common Name | Rinodina | excrescens | 1 | Lichens | Physciaceae | Caliciales | Lecanoromycetes | Fungi |
| 398 | | No Common Name | Sarea | resinae | 1 | Lichens | Trapeliaceae | Trapeliales | Lecanoromycetes | Fungi |
| 399 | | No Common Name | Trapeliopsis | viridescens | 1 | Lichens | Trapeliaceae | Trapeliales | Lecanoromycetes | Fungi |
| 400 | | No Common Name | Usnea | subfloridana | 1 | Lichens | Parmeliaceae | Lecanorales | Lecanoromycetes | Fungi |
| 401 | | No Common Name | Lecanora | symmicta | 2 | Lichens | Lecanoraceae | Lecanorales | Lecanoromycetes | Fungi |
| 402 | | No Common Name | Ochrolechia | africana | 1 | Lichens | Ochrolechiaceae | Pertusariales | Lecanoromycetes | Fungi |
| 403 | | No Common Name | Ramalina | petrina | 1 | Lichens | Ramalinaceae | Lecanorales | Lecanoromycetes | Fungi |
| 404 | | No Common Name | Graphis | inversa | 1 | Lichens | Graphidaceae | Ostropales | Lecanoromycetes | Fungi |
| 405 | | No Common Name | Gyalideopsis | bartramiorum | 2 | Lichens | Gomphillaceae | Ostropales | Lecanoromycetes | Fungi |
