The following is a very incomplete list of lichens which might be found in the Columbia River Gorge. Those species followed by a question mark are not currently verified for this area but may be there.
Unidentified Lichens: Help verify the identity of each of the following lichens.
Crustose Lichens:
Rimmed Lichen: Aspicilia sp. (Hymeneliaceae) ?
Needle Lichen: Chaenotheca furfuracea (Synonym: Coniocybe furfuracea) (Coniocybaceae)
Dust Lichen: Chrysothrix chlorina (Synonym: Lepraria chlorina) (Chrysotrichaceae)
Cowpie Lichen, Crater Lichen: Diploschistes muscorum ssp. muscorum (Synonyms: Diploschistes bryophilus, Diploschistes canadensis) (Thelotremataceae)
Crater Lichen: Diploschistes scruposus (Synonym: Urceolaria scruposa) (Thelotremataceae)
Candy Lichen, Fairy Barf, Peppermint Drop Lichen, Spraypaint Lichen: Icmadophila ericetorum (Baeomycetaceae) ?
Rim Lichen: Lecanora muralis var. versicolor (Synonym: Lecanora versicolor) (Lecanoraceae)
White Rim Lichen: Lecanora rupicola (Synonyms: Glaucomaria rupicola, Lecanora sordida) (Lecanoraceae)
Unidentified Lecidea Lichen: Lecidea sp. (Lecideaceae)
Gray-orange Disk Lichen, Lecidea Lichen: Lecidea lapicida (Synonyms: Lecidea cyanescens, Lecidea lactea, Lecidea pantherina) (Lecideaceae)
Blood Lichen: Mycoblastus sanguinarius (Mycoblastaceae)
Crabseye Lichen: Ochrolechia laevigata (Pertusariaceae) ?
Double-rim Saucer Lichen, Oregon Crabseye Lichen: Ochrolechia oregonensis (Synonym: Ochrolechia californica) (Pertusariaceae)
Upsala Crabseye Lichen, Upsala Crabs-eye Lichen: Ochrolechia upsaliensis (Pertusariaceae)
Pacific Bloodspot Lichen: Ophioparma rubricosa (Synonyms: Bacidia herrei, Bacidia rubricosa, Haematomma californicum, Haematomma pacificum, Ohioparma herreri) (Ophioparmaceae)
Pore Lichen: Pertusaria ophthalmiza (Pertusariaceae)
Starburst Shadow Lichen: Phaeophyscia decolor (Physciaceae)
Pink Bull's-eye Lichen: Placopsis lambii (Trapeliaceae)
Gold Cobblestone Lichen: Pleopsidium chlorophanum (Synonyms: Acarospora chlorophana, Acarospora erythrophora, Acarospora incertula, Acarospora novomexicana, Acarospora texana, Acarospora weldensis) (Acarosporaceae)
Rimularia Lichen: Rimularia insularis (Synonyms: Lecidea insularis, Lecidea intumescens) (Rimulariaceae)
Black-eye Lichen, Tephromela Lichen: Tephromela atra (Synonym: Lecanora atra) (Bacidiaceae)
Disk Lichen: Trapelia coarctata (Synonym: Lecidea coarctata) (Trapeliaceae)
Wallroth's Trapeliopsis Lichen: Trapeliopsis glaucopholis (Synonyms: Lecidea glebulosa, Lecidia wallrothii, Trapeliopsis wallrothii) (Trapeliaceae)
Foliose Lichens:
Silverskin Lichen: Dermatocarpon miniatum (Verrucariaceae)
Tube Lichen: Hypogymnia enteromorpha (Parmeliaceae) - collected at Big Lava Bed in Skamania County
Inactvie Tube Lichen: Hypogymnia inactiva (Parmeliaceae) ?
Hooded Tube Lichen: Hypogymnia physodes (Synonyms: Parmelia duplicata var. douglasicola, Parmelia oregana, Parmelia physodes) (Parmeliaceae)
Powder-headed Tube Lichen, Tube Lichen: Hypogymnia tubulosa (Synonym: Parmelia tubulosa) (Parmeliaceae)
Greenleaf Tuckermannopsis Lichen: Tuckermannopsis chlorophylla (Synonyms: Cetraria chlorophylla, Cetraria scutata) (Parmeliaceae)
Flattened Thornbush Lichen: Kaernefeltia merrillii (Synonyms: Cetraria merrillii, Tuckermannopsis merrillii) (Parmeliaceae)
Skin Lichen: Leptogium lichenoides (Collemataceae)
Lung and Lungwort Lichens: The Genus Lobaria (Family: Lobariaceae)
Abraded Camouflage Lichen, Melanelia Lichen: Melanelia subaurifera (Synonym: Parmelia subaurifera) (Parmeliaceae)
Melanelia Lichen: Melanelixia fuliginosa ssp. glabratula (Synonym: Melanelia fuliginosa ssp. glabratula) (Parmeliaceae)
Swiss Kidney Lichen: Nephroma helveticum ssp. helveticum (Nephromataceae)
Kidney Lichen: Nephroma resupinatum (Nephromataceae)
Hammered Shield Lichen, Net-marked Lichen, Shield Lichen: Parmelia sulcata (Parmeliaceae)
Felt Lichens: The Genus Peltigera (Peltigeraceae)
Hoary Rosette Lichen, Rosette Lichen: Physcia aipolia (Physciaceae)
Ragged Lichen: Platismatia glauca (Synonym: Cetaria glauca) (Parmeliaceae)
Pseudocyphehellaria Lichen, Specklebelly Lichen: Pseudocyphehellaria anomala (Lobariaceae)
Golden Rimmed Navel Lichen, Orange Rock-posy: Rhizoplaca chrysoleuca (Synonyms: Lecanora chrysoleuca, Lecanora rubina) (Lecanoraceae)
Navel Lichens: The Genus Umbilicaria (Umbilicariaceae)
Brown-eyed Sunshine Lichen: Vulpicida canadensis (Synonyms: Cetraria candensis, Cetraria juniperina, Tuckermannopsis canadensis, Tuckermannopsis juniperina) (Parmeliaceae)
Orange Wall Lichen, Sunburst Lichen: Xanthoria parietina (Synonym: Teloschistes parietinus) (Teloschistaceae)
Orange Wall Lichen: Xanthoria polycarpa (Synonym: Teloschistes polycarpus) (Teloschistaceae)
Xanthoparmelia Lichens: The Genus Xanthoparmelia (Parmeliaceae)
Fruticose Lichens
Unidentified Horsehair Lichen: Bryoria sp. on Pinus ponderosa
Tortured Horsehair Lichen: Bryoria tortuosa (Synonyms: Alectoria tortuosa, Alectoria virens) (Parmeliaceae)
Horsehair Lichen: Bryoria trichodes ?
Cup Lichens: The Genus Cladonia (Cladoniaceae)
Antlered Perfume, Ring Lichen: Evernia prunastri (Parmeliaceae)
American Wolf Lichen, Brown-eyed Wolf Lichen, Wolf Lichen: Letharia columbiana (Synonym: Letharia californica) (Parmeliaceae)
Wolf Lichen: Letharia vulpina (Synonym: Evernia vulpina) (Parmeliaceae)
Devil's Matchstick, Nail Lichen: Pilophorus acicularis (Stereocaulaceae)
Gold Cobblestone Lichen: Pleopsidium chlorophanum (Synonyms: Acarospora chlorphana, Acarospora erythrophora, Acarospora incertula, Acarospora novomexicana, Acarospora texana, Acarospora weldensis) (Acarosporaceae)
Farinose Cartilage Lichen: Ramalina farinacea (Ramalinaceae) ?
Cartilage Lichen: Ramalina subleptocarpha (Ramalinaceae) ?
Coral Lichen, Globe Ball Lichen: Sphaerophorus globosus (Synonym: Sphaerophorus tuckermanii) (Sphaerophoraceae)
Snow Lichens: The Genus Stereocaulon (Stereocaulaceae)