All Lichens Of Georgia
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Acute Leaf-whiskers
(Tricharia cuneata)
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Adhering Mealy-lichen
(Leprocaulon adhaerens)
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Adirondack Pepper-spore
(Rinodina adirondackii)
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Alabama Shield
(Canoparmelia alabamensis)
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Algae-grapes
(Botryolepraria lesdainii)
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Alligator River Eye-glow
(Megalaria alligatorensis)
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Alligator River White Script
(Fissurina alligatorensis)
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Alternating Dog-lichen; Alternating Pelt
(Peltigera didactyla)
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Amazon Shield
(Canoparmelia amazonica)
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American Bark-bumps
(Strigula americana)
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American Bloodspot
(Haematomma americanum)
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American Eclipse
(Trichothelium americanum)
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American Pixie-puffs
(Sporodophoron americanum)
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American Shag
(Ephebe americana)
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American Speck
(Vainionora americana)
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American Volcano
(Ocellularia americana)
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American Whiskers
(Gyalideopsis americana)
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Anamorphic disk parasite
(Vouauxiella lichenicola)
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Anamorphic parasite
(Epicoccum purpurascens)
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Anamorphic parasite
(Didymocyrtis melanelixiae)
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Anamorphic parasite
(Briancoppinsia cytospora)
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Anamorphic parasite
(Marchandiomyces corallinus)
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Andy's Dust
(Andreiomyces morozianus)
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Angle-ring Leaf-whiskers
(Aulaxina quadrangula)
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Antillean Saucer
(Ochrolechia antillarum)
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Antillean Script
(Graphis antillarum)
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Apotheciate parasite
(Homostegia hertelii)
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Appalachian Camouflage
(Melanelia culbersonii)
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Appalachian Fringe
(Heterodermia appalachensis)
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Appalachian Jellyskin
(Scytinium apalachense)
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Appalachian Powdered-rim
(Lecanora appalachensis)
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Appalachian Powdered-ruffle
(Parmotrema perlatum)
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Appalachian Saucer
(Ochrolechia pseudopallescens)
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Appalachian Shingle
(Parmeliella appalachensis)
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Appalachian Speckled Shield
(Punctelia appalachensis)
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Appalachian Wart
(Pertusaria appalachensis)
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Arnold's Powdered-ruffle
(Parmotrema arnoldii)
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Ashy Cinder
(Aspicilia cinerea)
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Bacidia lichen
(Bacidia diffracta)
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Bagel Cobblestone
(Acarospora janae)
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Banana-spored Scribble
(Zwackhia viridis)
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Barbatic Dust
(Lepraria barbatica)
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Bark Beaded-rim
(Lecanora cinereofusca)
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Bark Buttons
(Buellia erubescens)
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Bark Curry
(Caloplaca epiphora)
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Bark Dimple
(Gyalecta obesispora)
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Bark Rash
(Pyrenula cruenta)
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Bark Scribble
(Alyxoria varia)
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Bark Stars
(Ramonia microspora)
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Bark Sulphur-firedot
(Gyalolechia flavorubescens)
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Bark Whitewash
(Phlyctis boliviensis)
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Barnacle lichen
(Chapsa leprocarpa)
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Bay Buttons
(Buellia bahiana)
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Beaded Firedot
(Caloplaca sideritis)
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Beard-lichen parasite
(Biatoropsis usnearum)
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Beech Pox
(Pyrenula punctella)
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Big Brown-eyed Shingle
(Pannaria rubiginosa)
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Big Hammock Script
(Graphis hodgesiana)
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Big Map
(Rhizocarpon grande)
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Big Pox
(Pyrenula mamillana)
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Big Salted-ruffle
(Parmotrema crinitum)
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Big-clique Pox
(Pyrenula septicollaris)
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Big-disk Grain-spore
(Sarcogyne clavus)
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Big-disk Pebble Lichen
(Porpidia macrocarpa)
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Big-spore Bark-bumps
(Strigula submuriformis)
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Big-spore Dusk Lichen
(Pseudosagedia rhaphidosperma)
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Big-spore White Script
(Fissurina cypressi)
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Bitter Fluff-wart
(Lepra amara)
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Black Pepper
(Nigrovothelium tropicum)
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Black-bordered Shingle
(Parmeliella triptophylla)
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Black-bottom Stippled Lichen
(Endocarpon pallidulum)
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Black-bottomed Limestone-pits
(Verrucaria nigrescens)
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Black-bottomed Rosette
(Physcia sorediosa)
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Black-bottomed Stipplescale
(Placidium lachneum)
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Black-button parasite
(Dactylospora glaucomarioides)
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Black-button parasite
(Dactylospora lobariella)
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Black-button parasite
(Dactylospora pertusariicola)
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Black-button parasite
(Dactylospora inquilina)
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Black-disk Fuzzy-rim
(Byssoloma subdiscordans)
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Black-disk crust
(Carbonea latypizodes)
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Black-dot parasite
(Buelliella trypethelii)
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Black-eye
(Tephromela atra)
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Black-spot parasite
(Abrothallus cladoniae)
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Black-spot parasite
(Abrothallus hypotrachynae)
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Black-spot parasite
(Gyalideopsis floridae)
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Black-spot parasite
(Abrothallus microspermus)
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Black-spot parasite
(Abrothallus parmeliarum)
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Black-spot parasite
(Lichenostigma cosmopolites)
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Black-spot parasite
(Abrothallus caerulescens)
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Black-stemmed Rock-scale
(Cladonia stipitata)
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Blackened Toadskin
(Lasallia pensylvanica)
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Blackthread Lichen; Ink Lichen
(Placynthium nigrum)
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Blastidiate Pepper-spore
(Rinodina papillata)
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Blemish parasite
(Lichenodiplis lecanorae)
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Blemish parasite
(Lichenodiplis lecanoricola)
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Blemish parasite
(Lichenoconium erodens)
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Blemish parasite
(Lichenoconium lecanorae)
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Blistered Jellyskin
(Leptogium corticola)
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Blistered Script
(Glyphis cicatricosa)
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Blistered jelly lichen
(Collema pulchellum)
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Bloodspot Pirate
(Arthonia stevensoniana)
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Bloodspot crust
(Haematomma flexuosum)
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Bloodspot crust
(Haematomma accolens)
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Bloody Beard
(Usnea mutabilis)
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Bloody Comma
(Arthonia cinnabarina)
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Bloody Dark-spored Script
(Phaeographis haematites)
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Blot lichen
(Arthonia mesoleuca)
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Blue Jellyskin
(Leptogium cyanescens)
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Blue Jellyskin
(Leptogium azureum)
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Blue-edged Scale
(Psorula rufonigra)
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Blue-eyed Rim
(Lecanora miculata)
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Blue-gray Dust
(Lepraria caesiella)
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Blue-gray Powdered-rim
(Lecanora nothocaesiella)
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Blue-gray Sunken-disk
(Circinaria caesiocinerea)
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Blue-green Volcanito
(Megalospora porphyritis)
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Blue-rimmed Bacidia
(Bacidia circumspecta)
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Blue-thread Shell
(Coccocarpia filiformis)
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Blushing Scale
(Psora decipiens)
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Bold Asterisk
(Arthothelium spectabile)
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Bony Beard
(Usnea trichodea)
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Bony Foam
(Stereocaulon tennesseense)
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Bordered Scale
(Psora pseudorussellii)
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Bottlebrush Shield
(Parmelia squarrosa)
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Bramble Cladonia
(Cladonia floridana)
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Branching Fringe
(Heterodermia galactophylla)
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Braun's Pepper-spore
(Rinodina brauniana)
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Brazilian Dark-spored Script
(Phaeographis brasiliensis)
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Bright Picrolichenic Fluff-wart
(Lepra ventosa)
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Bristly Saucer
(Ochrolechia isidiata)
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Broad-spored Pepper-spore
(Rinodina pachysperma)
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Brodo's Tiny Buttons
(Catinaria brodoana)
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Brown Comma
(Arthonia rubella)
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Brown Firedot
(Caloplaca camptidia)
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Brown Granite Crater
(Diploschistes aeneus)
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Brown Lime-scale
(Romjularia lurida)
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Brown Pixie-puffs
(Tylophoron moderatum)
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Brown Stipplescale
(Clavascidium lacinulatum)
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Brown dot (or sterile sorediate) crust
(Biatora longispora)
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Brown-backed Eyelash
(Bulbothrix scortella)
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Brown-bottom Rock-shield
(Xanthoparmelia hypofusca)
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Brown-buttoned Jellyskin
(Scytinium dactylinum)
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Brown-disk Fuzzy-rim
(Byssoloma leucoblepharum)
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Brown-eyed Rim
(Lecanora allophana)
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Brown-head Stubble
(Chaenotheca brunneola)
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Brown-spored Comma
(Arthonia pyrrhuliza)
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Buck's Pepper-spore
(Rinodina buckii)
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Buck's Whiskers
(Gyalideopsis buckii)
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Buckler Pox
(Pyrenula aspistea)
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Buff Fuzzy-rim
(Byssoloma tricholomum)
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Bulging Martian-eyes
(Maronea polyphaea)
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Bumpy Pebble
(Trapelia glebulosa)
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Bumpy Rim
(Lecanora hybocarpa)
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Bumpy Strap
(Ramalina complanata)
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Burnt Matches
(Gomphillus calycioides)
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Burred Horsehair
(Bryoria furcellata)
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Button lichen
(Cratiria lauricassiae)
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Button lichen
(Buellia curatellae)
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California Dotlet
(Bacidina californica)
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Calkins's Limestone-pits
(Verrucaria calkinsiana)
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Candleflame; Lemon lichen
(Candelaria concolor)
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Canteloupe Cotton-lichen
(Herpothallon rubroechinatum)
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Canteloupe Fire-dot
(Squamulea subsoluta)
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Carolina Baton-spore
(Bactrospora carolinensis)
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Carolina Crowded-warts
(Bathelium carolinianum)
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Carolina Moon-lichen
(Sticta carolinensis)
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Carolina Shield
(Canoparmelia caroliniana)
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Carpathian Disk-lichen
(Lecidella carpathica)
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Carpet Pelt
(Peltigera neopolydactyla)
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Casaretti's Fringe
(Heterodermia casarettiana)
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Char Scale; small clam lichen
(Carbonicola anthracophila)
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Charcoal Script
(Graphis anfractuosa)
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Chicita's Sea-storm
(Cetrelia chicitae)
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Chiseled Sunken-disk
(Circinaria contorta)
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Christmas Wreath, Red Cotton-lichen, Bubblegum Lichen, Red Blanket
(Herpothallon rubrocinctum)
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Cinnabar Firedot
(Caloplaca cinnabarina)
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Cinnamon Blister-lichen
(Astrothelium cinnamomeum)
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Coastal Bushy-beard
(Usnea evansii)
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Cold Dust
(Lepraria cryophila)
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Collapsed Volcano Lichen
(Leucodecton glaucescens)
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Colossal Bushy-beard
(Usnea subfusca)
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Comma fungus
(Arthonia quintaria)
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Comma lichen
(Arthonia albovirescens)
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Comma lichen
(Arthonia macrotheca)
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Common Antler
(Pseudevernia consocians)
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Common Bark-barnacles
(Thelotrema subtile)
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Common Bark-bumps
(Strigula stigmatella)
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Common Blot
(Arthothelium ruanum)
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Common Board-lichen
(Trapeliopsis flexuosa)
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Common British Soldiers
(Cladonia cristatella)
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Common Bushy-beard
(Usnea strigosa)
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Common Coal-dust
(Polysporina simplex)
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Common Cracked-ruffle; Black Sheet Lichen
(Parmotrema reticulatum)
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Common Dusk Lichen
(Pseudosagedia cestrensis)
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Common Gold-dust
(Chrysothrix xanthina)
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Common Goldspeck
(Candelariella vitellina)
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Common Greenshield
(Flavoparmelia caperata)
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Common Mesa-Wart
(Pertusaria subpertusa)
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Common Perforated Ruffle
(Parmotrema perforatum)
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Common Rock-olive
(Peltula obscurans var. hassei)
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Common Scribble
(Opegrapha vulgata)
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Common Script
(Graphis scripta)
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Common Toadskin
(Lasallia papulosa)
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Common White Script
(Fissurina illiterata)
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Concentric Pebble Lichen
(Porpidia crustulata)
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Confusing Lace-scale
(Phyllopsora confusa)
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Confusing Lumpling
(Micarea micrococca)
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Confusing Medallion
(Dirinaria confluens)
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Confusing Medallion
(Dirinaria confusa)
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Confusing Script
(Fissurina confusa)
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Conifer Gold-dust
(Chrysothrix chamaecyparicola)
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Contracted Pebble
(Trapelia coarctata)
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Coral Saucer
(Ochrolechia yasudae)
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Coral-rimmed Shingle
(Pannaria tavaresii)
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Coralline Lace-scale
(Phyllopsora corallina)
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Cotton-edged Ruffle
(Parmotrema subsumptum)
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Cowpie Lichen
(Diploschistes muscorum)
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Cracked Bark-barnacles
(Thelotrema defectum)
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Cracked Granite Crater
(Diploschistes actinostomus)
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Cracked Script
(Fissurina columbina)
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Cracked-rim Grain-spore
(Sarcogyne hypophaea)
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Cratered Dark-spored Script
(Phaeographis lobata)
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Creamy Pixie-puffs
(Tylophoron hibernicum)
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Crowded Cobblestone
(Acarospora fuscata)
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Crumpled Bat's Wing
(Collema leptaleum)
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Crumpled Rag
(Platismatia tuckermanii)
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Cryptic Bushy-beard
(Usnea endochrysea)
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Cryptic Rosette
(Physciella chloantha)
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Cuba Lemon-lime Lichen
(Pseudoparmelia cubensis)
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Cumberland Rock-shield
(Xanthoparmelia cumberlandia)
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Cupped Fringe
(Heterodermia hypoleuca)
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Cupped Script
(Glyphis scyphulifera)
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Curtis's Buttons
(Baculifera curtisii)
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Cuyabeno Pox
(Pyrenula cuyabensis)
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Cyanobacterial rock-crust
(Lichina willeyi)
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Cyanobacterial rock-crust
(Psorotichia schaereri)
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Cyanobacterial rock-crust
(Pyrenopsis polycocca)
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Cyanobacterial rock-crust
(Pterygiopsis atra)
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Cyanobacterial rock-crust
(Synalissa matogrossensis)
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Cylindrical Rock-olive
(Peltula cylindrica)
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Cypress Dust
(Lepraria aurescens)
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Cypress Rim
(Lecanora cupressi)
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Dactylose Mustard-rosette
(Pyxine caesiopruinosa)
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Daliesque Bark-barnacle
(Reimnitzia santensis)
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Dark Limerock Buttons
(Clauzadeana macula)
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Defining Bark-barnacles
(Thelotrema adjectum)
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Delicate Dotlet
(Bacidina delicata)
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Destitute Dotlet
(Bacidina egenula)
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Diffractaic Ruffle
(Parmotrema diffractaicum)
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Dilated Bark-barnacles
(Thelotrema dilatatum)
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Dimpled Volcano Lichen
(Myriotrema rugiferum)
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Dimpled Wart
(Pertusaria epixantha)
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Disappearing Boulder Lichen
(Porpidia subsimplex)
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Disappearing Lumpling
(Micarea misella)
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Disregarded Fringe
(Heterodermia neglecta)
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Dog Pelt
(Peltigera canina)
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Dolly's Dots
(Japewiella dollypartoniana)
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Dot lichen
(Bryobilimbia ahlesii)
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Dotted Jelly
(Enchylium conglomeratum)
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Drama Wart
(Pertusaria propinqua)
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Dull Cinder
(Aspicilia laevata)
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Dull Powdered Loop
(Hypotrachyna cryptochlora)
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Dune Reindeer Lichen
(Cladonia submitis)
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Dusky Map
(Rhizocarpon reductum)
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Dusky Pepper-spore
(Rinodina maculans)
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Dusted Pepper-spore
(Rinodina subparieta)
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Dusted White-rim
(Lecanora chlarotera)
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Dusty Sulphur-firedot
(Solitaria chrysophthalma)
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Dwarf Stubble
(Chaenothecopsis pusilla)
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Dwarf Wrinkle-lichen
(Tuckermanella fendleri)
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Eastern Candelwax
(Ahtiana aurescens)
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Eastern Pox; Oak Pox
(Pyrenula pseudobufonia)
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Eastern Waterfan
(Peltigera hydrothyria)
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Eccentric Pox
(Monoblastia rappii)
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Eclipsed Moonglow
(Dimelaena tenuis)
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Ecusa Cladonia
(Cladonia santensis)
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Edge-fruiting Jellyskin
(Leptogium marginellum)
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Effervescent Tarpaper; Dull Blistered Jelly
(Collema furfuraceum)
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Ekman's Bacidia
(Bacidia ekmaniana)
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Elegant Fringe; Elegant Centipede
(Heterodermia leucomelos)
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Elf Ears
(Normandina pulchella)
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Elf-ear Dust
(Lepraria oxybapha)
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Elf-ear Dust
(Lepraria normandinoides)
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Elizabeth's Powdered-rim
(Lecanora layana)
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Erect Fringe
(Heterodermia erecta)
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Eroding Volcano
(Ocellularia erodens)
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Erratic Rock-dot
(Leimonis erratica)
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Erupting Dark-spored Script
(Phaeographis erumpens)
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Eschweiler's Mustard-rosette
(Pyxine eschweileri)
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Excessive Hidden-treasure
(Thelopsis inordinata)
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Extinguished Firedot
(Caloplaca reptans)
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Eyed Pox
(Pyrenula leucostoma)
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False Hidden-treasure
(Topelia aperiens)
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False Spotted Wart
(Pertusaria tetrathalamia)
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False pyrenolichen
(Julella fallaciosa)
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Fence-rail Cladonia
(Cladonia parasitica)
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Fertile Black-foam
(Anzia colpodes)
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Fertile Cracked-ruffle
(Parmotrema cetratum)
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Fertile Eyelash
(Bulbothrix confoederata)
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Fine Pencil-script
(Thalloloma anguinum)
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Fine Script
(Sclerophyton elegans)
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Fine-tipped Rock Strap
(Ramalina intermedia)
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Finger-scale Foam
(Stereocaulon dactylophyllum)
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Fink's Dust
(Lepraria finkii)
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Flaking Tarpaper
(Collema flaccidum)
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Flat Blot
(Arthonia platygraphidea)
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Flat Wart
(Pertusaria obruta)
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Flat-fruited Pelt
(Peltigera horizontalis)
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Flat-topped Rock-olive
(Peltula tortuosa)
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Florida Fluff-wart
(Lepra floridana)
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Florida Lemon-lime Lichen
(Pseudoparmelia uleana)
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Florida Stubble
(Chaenotheca floridana)
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Flowering Fringe
(Heterodermia echinata)
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Flowing Script
(Graphis lineola)
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Fluff-wart lichen
(Pertusaria expolita)
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Fluorescent Fuzzy-rim
(Byssoloma meadii)
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Fluorescent Islets
(Chrysothrix onokoensis)
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Fluorescent Powderhorn
(Cladonia cylindrica)
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Fluorescent Rock Buttons
(Buellia mamillana)
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Fluorescent Rock-scale
(Cladonia petrophila)
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Fluted Script
(Graphis endoxantha)
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Folded Pencil-script
(Thalloloma hypoleptum)
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Forest Bark-fire
(Brigantiaea leucoxantha)
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Fragile Moon-lichen
(Sticta fragilinata)
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Frank Scribble
(Opegrapha candida)
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Frazzled Dot
(Gomphillus americanus)
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Free Script
(Graphis librata)
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Friable Dust
(Lepraria friabilis)
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Frilly Jellyskin
(Leptogium phyllocarpum)
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Fringed Candleflame
(Candelaria fibrosa)
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Fringed Kidney
(Nephroma helveticum)
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Fringed Moon-lichen
(Sticta beauvoisii)
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Fringed Pepper-spore
(Rinodina dolichospora)
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Fringed Wrinkle-lichen
(Tuckermannopsis ciliaris)
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Frond dot
(Calopadia fusca)
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Map
Frond dot
(Calopadia puiggarii)
Profile
Map
Frosted Grain-spore
(Sarcogyne regularis)
Profile
Map
Frosted Ragged-rim
(Loxospora cismonica)
Profile
Map
Frosted Script
(Acanthothecis leucopepla)
Profile
Map
Frosted-rim Bacidia
(Bacidia polychroa)
Profile
Map
Frosty Saucer
(Ochrolechia africana)
Profile
Map
Frothy Loop
(Hypotrachyna spumosa)
Profile
Map
Fruiting Shell
(Coccocarpia erythroxyli)
Profile
Map
Fumarprotocetraric Fluff-wart
(Lepra multipunctoides)
Profile
Map
Furry Jellyskin
(Leptogium isidiosellum)
Profile
Map
Fused Rim Lichen
(Lecanora symmicta)
Profile
Map
Fuzzy Rock-olive
(Peltula clavata)
Profile
Map
Fuzzy Shadow
(Phaeophyscia hirsuta)
Profile
Map
Fuzzy-rim lichen
(Byssoloma maderense)
Profile
Map
Gall-forming parasite
(Tremella cladoniae)
Profile
Map
Gall-forming parasite
(Tremella parmeliarum)
Profile
Map
Gall-forming parasite
(Lichenochora obscuroides)
Profile
Map
Gardner's Ruffle
(Parmotrema gardneri)
Profile
Map
Garnet-studded Volcano
(Sanguinotrema wightii)
Profile
Map
Glossy Blistered Jelly
(Collema nigrescens)
Profile
Map
Glowing Grainy Loop
(Hypotrachyna osseoalba)
Profile
Map
Glowing Script
(Graphis lucifica)
Profile
Map
Glowing Volcanito
(Megalospora pachycheila)
Profile
Map
Gnome Fingers
(Pycnothelia papillaria)
Profile
Map
Gold Cobblestone
(Acarospora chrysops)
Profile
Map
Gold-dusted Firedot
(Caloplaca ulmorum)
Profile
Map
Gold-eye
(Teloschistes chrysophthalmus)
Profile
Map
Golden Moonglow
(Dimelaena oreina)
Profile
Map
Golden Nuggets
(Flavoplaca citrina)
Profile
Map
Grainy Dirt-lichen
(Trapeliopsis granulosa)
Profile
Map
Grainy Fringe
(Heterodermia granulifera)
Profile
Map
Grainy Limerock Bacidia
(Bacidia granosa)
Profile
Map
Grainy Medallion
(Dirinaria aegialita)
Profile
Map
Grainy Shadow-crust
(Hyperphyscia adglutinata)
Profile
Map
Grand Bark-bumps
(Strigula viridiseda)
Profile
Map
Grand Dust
(Lepraria lanata)
Profile
Map
Grand Eyelash
(Bulbothrix isidiza)
Profile
Map
Granite Rosette
(Physcia halei)
Profile
Map
Granite Thorn
(Cladonia caroliniana)
Profile
Map
Granite-speck Rim
(Lecanora polytropa)
Profile
Map
Granular crust
(Micareopsis irriguata)
Profile
Map
Graph lichen
(Carbacanthographis marcescens)
Profile
Map
Gray Reindeer Lichen
(Cladonia rangiferina)
Profile
Map
Gray's Pixie-cups
(Cladonia grayi)
Profile
Map
Gray-rimmed Firedot
(Caloplaca cerina)
Profile
Map
Great Horned Loop
(Hypotrachyna imbricatula)
Profile
Map
Great Lungwort
(Lobaria pulmonaria)
Profile
Map
Great Resurrection-scale
(Cladonia prostrata)
Profile
Map
Green City-dot
(Scoliciosporum chlorococcum)
Profile
Map
Green Reindeer Lichen
(Cladonia arbuscula ssp. mitis)
Profile
Map
Green Rock Buttons
(Buellia vernicoma)
Profile
Map
Green Ruffle
(Parmotrema xanthinum)
Profile
Map
Green Specklebelly
(Crocodia aurata)
Profile
Map
Green Wood-lichen
(Trapeliopsis viridescens)
Profile
Map
Green-dot Lumpling
(Micarea prasina)
Profile
Map
Green-shadow Rock-shield
(Xanthoparmelia viriduloumbrina)
Profile
Map
Gritty British Soldiers
(Cladonia floerkeana)
Profile
Map
Gulf Wart
(Pertusaria sinusmexicani)
Profile
Map
Guyanan Bloodspot
(Haematomma guyanense)
Profile
Map
Haemathamnolic Fluff-wart
(Lepra commutata)
Profile
Map
Hairless-spined Loop; Hairless-spined Shield
(Hypotrachyna minarum)
Profile
Map
Hairy Jellyskin
(Leptogium hirsutum)
Profile
Map
Hairy Pimple
(Porina scabrida)
Profile
Map
Haitian Ruffle
(Parmotrema haitiense)
Profile
Map
Hale's Beard
(Usnea halei)
Profile
Map
Hale's Lace-scale
(Phyllopsora halei)
Profile
Map
Halloween Lichen
(Letrouitia parabola)
Profile
Map
Handel's Script
(Graphis handelii)
Profile
Map
Harris's Dust
(Lepraria harrisiana)
Profile
Map
Hickory Pox
(Pyrenula caryae)
Profile
Map
Hidden Script
(Graphis furcata)
Profile
Map
Hidden Sunshine
(Vulpicida viridis)
Profile
Map
Highlighted Script
(Fissurina scolecitis)
Profile
Map
Hoary Whiskers
(Gyalideopsis submonospora)
Profile
Map
Hodkinson's Dust
(Lepraria hodkinsoniana)
Profile
Map
Hollow Beard
(Usnea baileyi)
Profile
Map
Horny Beard
(Usnea subscabrosa)
Profile
Map
Hutchins's Scribble
(Enterographa hutchinsiae)
Profile
Map
Hypothamnolic Fluff-wart
(Lepra hypothamnolica)
Profile
Map
Immaculate Shield
(Canoparmelia salacinifera)
Profile
Map
Immersed Rock-rim
(Lecanora subimmergens)
Profile
Map
Imshaug's Buttons
(Baculifera imshaugiana)
Profile
Map
Indifferent Comma
(Arthonia apatetica)
Profile
Map
Inert Fluff-wart
(Lepra ophthalmiza)
Profile
Map
Inert Speckled Shield
(Punctelia reddenda)
Profile
Map
Inert Wart
(Pertusaria iners)
Profile
Map
Inflated Beard
(Usnea cornuta)
Profile
Map
Inner-blue Lumpling
(Micarea endocyanea)
Profile
Map
Inner-light Buttons
(Buellia circumpallida)
Profile
Map
Intervening Blot
(Arthonia interveniens)
Profile
Map
Isidiate Dusk Lichen
(Pseudosagedia isidiata)
Profile
Map
Isidiate Pyrenocrust
(Clathroporina isidiifera)
Profile
Map
Isidiate crust
(Protoparmelia isidiata)
Profile
Map
James’s Bark-bumps
(Strigula jamesii)
Profile
Map
Japanese Buttons
(Sculptolumina japonica)
Profile
Map
Japanese Fringe
(Heterodermia japonica)
Profile
Map
Jelly Strap
(Thyrea confusa)
Profile
Map
Jessi's Blue Powder
(Megalaria allenae)
Profile
Map
Jester's Cap
(Cladonia leporina)
Profile
Map
Joyous Disk-lichen
(Lecidella euphorea)
Profile
Map
Jumbled Rock-shield
(Xanthoparmelia isidiascens)
Profile
Map
K-red Islets
(Chrysothrix insulizans)
Profile
Map
Kalb's Lace-scale
(Phyllopsora kalbii)
Profile
Map
Kalb's Stubble
(Chaenothecopsis kalbii)
Profile
Map
Knobby Moss-wart
(Pertusaria globularis)
Profile
Map
Lace-scale lichen
(Phyllopsora ochroxantha)
Profile
Map
Lace-scale lichen
(Phyllopsora santensis)
Profile
Map
Lacy Powdered-ruffle
(Parmotrema hypoleucinum)
Profile
Map
Lakezone lichen
(Staurothele fissa)
Profile
Map
Lamp-post Lumpling
(Micarea neostipitata)
Profile
Map
Large-grained Tar-spot
(Placynthiella oligotropha)
Profile
Map
Leaf dot
(Fellhanera bouteillei)
Profile
Map
Least Shadow-crust
(Hyperphyscia minor)
Profile
Map
Lemon Drops
(Candelariella xanthostigma)
Profile
Map
Lemon Pepper-spore
(Rinodina chrysomelaena)
Profile
Map
Lemon-spored Pox
(Pyrenula fetivica)
Profile
Map
Lengthy Scribble
(Dimidiographa longissima)
Profile
Map
Lesser Resurrection-scale
(Cladonia apodocarpa)
Profile
Map
Lichenicolous fungus
(Cornutispora intermedia)
Profile
Map
Limerock Buttons
(Clauzadea metzleri)
Profile
Map
Limerock Orange Dot
(Protoblastenia rupestris)
Profile
Map
Limerock Pyrenocrust
(Thelidium minutulum)
Profile
Map
Limerock Pyrenocrust
(Thelidium decipiens)
Profile
Map
Limerock Pyrenocrust
(Sarcopyrenia calcarea)
Profile
Map
Limerock Scribble
(Alyxoria mougeotii)
Profile
Map
Limerock brown-dot crust
(Caeruleum immersum)
Profile
Map
Limerock crust
(Petractis farlowii)
Profile
Map
Limestone Firedot
(Caloplaca atroalba)
Profile
Map
Limestone crust
(Kephartia spinadiaboli)
Profile
Map
Lipstick Powderhorn
(Cladonia macilenta)
Profile
Map
Little Brown-eyed Shingle
(Pannaria subfusca)
Profile
Map
Little Dimple
(Coenogonium pineti)
Profile
Map
Little James
(Jamesiella anastomosans)
Profile
Map
Little Pepper-spore
(Rinodina pyrina)
Profile
Map
Little Pine Soldiers
(Cladonia ravenelii)
Profile
Map
Little Rock-shield
(Xanthoparmelia pseudocongensis)
Profile
Map
Little Salted-ruffle
(Parmotrema internexum)
Profile
Map
Lobed Cotton
(Crocynia pyxinoides)
Profile
Map
Lobulate Lungwort; Slender Lung Lichen
(Lobaria tenuis)
Profile
Map
Lobulate Pelt
(Peltigera phyllidiosa)
Profile
Map
Long Beard
(Usnea subgracilis)
Profile
Map
Long-whiskered Ruffle
(Parmotrema rampoddense)
Profile
Map
Loop lichen
(Hypotrachyna afrorevoluta)
Profile
Map
Loop lichen
(Hypotrachyna laevigata)
Profile
Map
Looping Script
(Graphis pinicola)
Profile
Map
Louisiana Rim
(Lecanora louisianae)
Profile
Map
Louisiana Ruffle
(Parmotrema louisianae)
Profile
Map
Lovely Bacidia
(Bacidia heterochroa)
Profile
Map
Lovely Loop
(Hypotrachyna pustulifera)
Profile
Map
Lovely White-rim
(Lecanora imshaugii)
Profile
Map
Low Country Frosted-rim
(Lecanora caesiorubella ssp. glaucomodes)
Profile
Map
Low-country Perforated Ruffle
(Parmotrema subrigidum)
Profile
Map
Low-rim Grain-spore
(Sarcogyne similis)
Profile
Map
Lumpy Cinder
(Aspicilia verrucigera)
Profile
Map
Lumpy Disk-lichen
(Lecidella stigmatea)
Profile
Map
Lumpy Limerock Bacidia
(Bacidia coprodes)
Profile
Map
Lumpy Pepper-spore
(Rinodina tephraspis)
Profile
Map
Lumpy Ruffle; Unwhiskered Ruffle
(Parmotrema cristiferum)
Profile
Map
Macoun's Mesa-Wart
(Pertusaria macounii)
Profile
Map
Magnolia Leaf Spots
(Strigula smaragdula)
Profile
Map
Many-celled Baton-spore
(Bactrospora myriadea)
Profile
Map
Many-fruited Pelt
(Peltigera polydactylon)
Profile
Map
Many-spored Buttons
(Buellia pleiotera)
Profile
Map
Maple-dust
(Lecanora thysanophora)
Profile
Map
Matted Eyelash
(Bulbothrix laevigatula)
Profile
Map
Mazaedial crust
(Pyrgillus javanicus)
Profile
Map
Mealy Rim
(Lecanora strobilina)
Profile
Map
Mealy Rosette
(Physcia millegrana)
Profile
Map
Mealy Shadow
(Phaeophyscia insignis)
Profile
Map
Mealy-rimmed Shingle
(Pannaria conoplea)
Profile
Map
Mealybug Lichen
(Dictyocatenulata alba)
Profile
Map
Melliss' Ruffle
(Parmotrema mellissii)
Profile
Map
Mexican Saucer
(Ochrolechia mexicana)
Profile
Map
Minute Rim
(Lecanora minutella)
Profile
Map
Missouri Speckled Shield
(Punctelia missouriensis)
Profile
Map
Misty Rivers
(Platygramme caesiopruinosa)
Profile
Map
Mixed-up Pixie-cup
(Cladonia mateocyatha)
Profile
Map
Monk's Hood, Hooded Tube
(Hypogymnia physodes)
Profile
Map
Moonscape lichen
(Chapsa alborosella)
Profile
Map
Mortar Rim
(Myriolecis dispersa)
Profile
Map
Mosquito Script
(Acanthothecis mosquitensis)
Profile
Map
Moss Dot
(Bilimbia sabuletorum)
Profile
Map
Moss Pox
(Chromatochlamys muscorum)
Profile
Map
Mottled Ruffle
(Parmotrema subtinctorium)
Profile
Map
Mountain Branch-Wart
(Pertusaria neolecania)
Profile
Map
Mountain Frosted-rim
(Lecanora caesiorubella ssp. caesiorubella)
Profile
Map
Muhlenberg's Stippleback
(Dermatocarpon muhlenbergii)
Profile
Map
Narrow-lobed Rock-shield
(Xanthoparmelia angustiphylla)
Profile
Map
Needle-spore Lumpling
(Micarea chlorosticta)
Profile
Map
Neotropical Ruffle
(Parmotrema neotropicum)
Profile
Map
New World Rosette
(Physcia neogaea)
Profile
Map
Nichols's Mealy-lichen
(Leprocaulon nicholsiae)
Profile
Map
Nipple lichen
(Calicium carolinianum)
Profile
Map
Norstictic-acid Stubble
(Chaenothecopsis norstictica)
Profile
Map
Northern Dark-spored Script
(Phaeographis inusta)
Profile
Map
Northern Dragon
(Cladonia squamosa)
Profile
Map
Northern Powdery Goldspeck
(Candelariella efflorescens)
Profile
Map
Nova Scotia Mesa-Wart
(Pertusaria neoscotica)
Profile
Map
Oak Comma
(Arthonia atra)
Profile
Map
Ocher Pencil-script
(Thalloloma cinnabarinum)
Profile
Map
Odd Pox
(Pyrenula anomala)
Profile
Map
Old Hairy-spined Loop; Old Hairy-spined Shield
(Hypotrachyna horrescens)
Profile
Map
Old Pepper-spore
(Rinodina cana)
Profile
Map
Olive Cladonia; Rock Olive
(Cladonia strepsilis)
Profile
Map
Olive Disk-lichen
(Lecidella elaeochroma)
Profile
Map
Olive-drab Tile
(Lecidea cyrtidia)
Profile
Map
Olivet's Sea-storm
(Cetrelia olivetorum)
Profile
Map
Olivine Camouflage; Appalachian Tree Camouflage
(Melanohalea halei)
Profile
Map
Oosting's Loop; Oosting's Square Britches
(Hypotrachyna oostingii)
Profile
Map
Orange Dimple
(Coenogonium luteum)
Profile
Map
Orange Tropical-pox
(Trypethelium subeluteriae)
Profile
Map
Orange-bellied Fringe
(Heterodermia crocea)
Profile
Map
Orange-cored Shadow
(Phaeophyscia rubropulchra)
Profile
Map
Orange-spot fungus
(Agyrium rufum)
Profile
Map
Orange-tinted Fringe
(Heterodermia obscurata)
Profile
Map
Ornate Black-foam
(Anzia ornata)
Profile
Map
Outcrop Speckled Shield
(Punctelia graminicola)
Profile
Map
Oxford Comma
(Arthonia anglica)
Profile
Map
Ozark Rock-shield
(Xanthoparmelia hypomelaena)
Profile
Map
Ozark Whiskers
(Gyalideopsis ozarkensis)
Profile
Map
Pale Pepper-spore
(Rinodina oxydata)
Profile
Map
Pale-based Limestone-pits
(Verrucaria muralis)
Profile
Map
Pale-bottom Stippled Lichen
(Endocarpon petrolepideum)
Profile
Map
Pallid Script
(Acanthothecis aurantiaca)
Profile
Map
Palm Ruffle; Old Gray Ruffle
(Parmotrema tinctorum)
Profile
Map
Parasitic Rock-button
(Buellia badia)
Profile
Map
Pastry Script
(Acanthothecis peplophora)
Profile
Map
Peg lichens
(Cladonia subcariosa)
Profile
Map
Pelt lichen
(Peltigera seneca)
Profile
Map
Penciled Script
(Graphis caesiella)
Profile
Map
Peppered Rock-shield
(Xanthoparmelia conspersa)
Profile
Map
Perfect Wart
(Pertusaria ostiolata)
Profile
Map
Peritheciate crust
(Lithothelium septemseptatum)
Profile
Map
Peritheciate crust
(Lithothelium illotum)
Profile
Map
Peritheciate parasite
(Nectriopsis rubefaciens)
Profile
Map
Peritheciate parasite
(Ovicuculispora parmeliae)
Profile
Map
Peritheciate parasite
(Stigmidium lendemeri)
Profile
Map
Peritheciate parasite
(Pyrenidium aggregatum)
Profile
Map
Peritheciate parasite
(Pronectria oligospora)
Profile
Map
Perithecioid parasite
(Endococcus propinquus)
Profile
Map
Persoon's Bloodspot
(Haematomma persoonii)
Profile
Map
Peruvian Ramalina
(Ramalina peruviana)
Profile
Map
Peters's Blackthread Lichen
(Placynthium petersii)
Profile
Map
Petite Ruffle
(Parmotrema praesorediosum)
Profile
Map
Piedmont Cobblestone
(Acarospora piedmontensis)
Profile
Map
Piedmont Peg
(Cladonia piedmontensis)
Profile
Map
Piedmont Rock-shield
(Xanthoparmelia piedmontensis)
Profile
Map
Pileate Pitted-stone lichen
(Bagliettoa baldensis)
Profile
Map
Pine Pumpkins
(Sarea resinae)
Profile
Map
Pine Starburst
(Parmeliopsis subambigua)
Profile
Map
Pine-resin Stubble
(Chaenothecopsis dolichocephala)
Profile
Map
Pink Earth
(Dibaeis baeomyces)
Profile
Map
Pink-eyed White-rim
(Lecanora subpallens)
Profile
Map
Pixie Foam
(Stereocaulon pileatum)
Profile
Map
Pixie-cup parasite
(Didymocyrtis cladoniicola)
Profile
Map
Pixie-hair
(Coenogonium interplexum)
Profile
Map
Pixie-hair
(Coenogonium implexum)
Profile
Map
Plain Pitted-stone lichen
(Bagliettoa calciseda)
Profile
Map
Plain Wart
(Pertusaria leioplaca)
Profile
Map
Plated Rock-tripe
(Umbilicaria muhlenbergii)
Profile
Map
Pleasing Pepper-spore
(Rinodina lepida)
Profile
Map
Plebeian Tile
(Lecidea plebeja)
Profile
Map
Plitt's Rock-shield
(Xanthoparmelia plittii)
Profile
Map
Polypore Stubble
(Phaeocalicium polyporaeum)
Profile
Map
Pompon Mustard-rosette
(Pyxine albovirens)
Profile
Map
Pompon Shadow
(Phaeophyscia pusilloides)
Profile
Map
Pots-o'-gold
(Caloplaca granularis)
Profile
Map
Powder-foot British Soldiers
(Cladonia incrassata)
Profile
Map
Powder-puff; Deer Moss
(Cladonia evansii)
Profile
Map
Powder-tipped Beard
(Usnea dimorpha)
Profile
Map
Powder-tipped Shadow
(Phaeophyscia adiastola)
Profile
Map
Powdered Bacidia
(Bacidia sorediata)
Profile
Map
Powdered Fringe; Powdered Centipede
(Heterodermia speciosa)
Profile
Map
Powdered Script
(Dyplolabia afzelii)
Profile
Map
Powdered Shingle
(Fuscopannaria sorediata)
Profile
Map
Powdered Speckled Shield; Forest Speckleback
(Punctelia caseana)
Profile
Map
Powdered loop lichen
(Hypotrachyna pseudosinuosa)
Profile
Map
Powdered loop lichen
(Hypotrachyna lividescens)
Profile
Map
Powdery Axil-bristle
(Myelochroa aurulenta)
Profile
Map
Powdery Medallion
(Dirinaria picta)
Profile
Map
Powdery Peg
(Cladonia subradiata)
Profile
Map
Powdery Rock-olive
(Peltula euploca)
Profile
Map
Powdery Rosette
(Physcia americana)
Profile
Map
Pox lichen
(Pyrenula papillifera)
Profile
Map
Pox lichen
(Pyrenula sexlocularis)
Profile
Map
Pox lichen
(Pyrenula pyrenuloides)
Profile
Map
Pox lichen
(Pyrenula subelliptica)
Profile
Map
Pox lichen
(Pyrenula thelomorpha)
Profile
Map
Pox lichen
(Anthracothecium australiensis)
Profile
Map
Pox lichen
(Pyrenula microtheca)
Profile
Map
Pretty Ruffle; Unwhiskered Ruffle
(Parmotrema austrosinense)
Profile
Map
Prickly-pear lichen
(Agonimia opuntiella)
Profile
Map
Prominent Rock Buttons
(Buellia maculata)
Profile
Map
Prostrate Thorn
(Cladonia dimorphoclada)
Profile
Map
Puffy Granite Crater
(Diploschistes scruposus)
Profile
Map
Purple Pitted-stone lichen
(Bagliettoa marmorea)
Profile
Map
Purple-eyed Medallion
(Dirinaria purpurascens)
Profile
Map
Pustulose Rosette
(Physcia clementei)
Profile
Map
Pyrenocrust fungus
(Mycomicrothelia subfallens)
Profile
Map
Pyrenula Pox
(Melanographa tribulodes)
Profile
Map
Quilt lichen
(Fuscidea recensa)
Profile
Map
Radiating Pebble
(Trapelia placodioides)
Profile
Map
Ragged Beard
(Usnea diplotypus)
Profile
Map
Random Doodles
(Leiorreuma explicans)
Profile
Map
Rapp's Lace-scale
(Phyllopsora rappiana)
Profile
Map
Rapp's Stubble
(Chaenothecopsis rappii)
Profile
Map
Rare Cryptic Rosette
(Physciella melanchra)
Profile
Map
Ravenel's Pox; Small-clique Pox
(Pyrenula ravenelii)
Profile
Map
Red Beard
(Usnea rubicunda)
Profile
Map
Red Beard
(Usnea pensylvanica)
Profile
Map
Red Buttons
(Buellia elizae)
Profile
Map
Red-belted Palm Comma
(Arthonia rubrocincta)
Profile
Map
Red-cored Shadow
(Phaeophyscia endococcinodes)
Profile
Map
Red-fruit Squamulose Pixie-cup
(Cladonia coccifera)
Profile
Map
Red-fruited Pixie-cup
(Cladonia pleurota)
Profile
Map
Red-lined Script
(Graphis inversa)
Profile
Map
Red-marked Map
(Rhizocarpon rubescens)
Profile
Map
Redbay Leaf-dots
(Asterothyrium decipiens)
Profile
Map
Reddish Hidden-treasure
(Thelopsis rubella)
Profile
Map
Regular Rock-rim
(Lecanora pseudistera)
Profile
Map
Reindeer Lichen
(Cladonia arbuscula ssp. arbuscula)
Profile
Map
Reticulate Shield
(Crespoa crozalsiana)
Profile
Map
Revolute Powdered Loop
(Hypotrachyna revoluta)
Profile
Map
Rim-poor Pepper-spore
(Rinodina moziana)
Profile
Map
Rimmed Cobblestone
(Acarospora glaucocarpa)
Profile
Map
Rimmed Shingle
(Fuscopannaria leucosticta)
Profile
Map
Rimmed Wart
(Varicellaria velata)
Profile
Map
Rock Axil-bristle
(Myelochroa obsessa)
Profile
Map
Rock Beaded-rim
(Lecanora saxigena)
Profile
Map
Rock Beard
(Usnea amblyoclada)
Profile
Map
Rock Dimple
(Gyalecta jenensis)
Profile
Map
Rock Dusk Lichen
(Pseudosagedia guentheri)
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Map
Rock Fringe; Rock Centipede
(Heterodermia pseudospeciosa)
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Rock Gnome
(Cetradonia linearis)
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Rock Greenshield
(Flavoparmelia baltimorensis)
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Rock Hairball
(Spilonema revertens)
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Rock Medallion
(Dirinaria frostii)
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Rock Pimple
(Willeya diffractella)
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Rock Rim-crust
(Halecania pepegospora)
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Rock Shag
(Ephebe lanata)
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Rock Shingle
(Vahliella leucophaea)
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Rock Sulphur-firedot
(Gyalolechia flavovirescens)
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Rock Wart
(Pertusaria plittiana)
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Rock Whitewash
(Phlyctis petraea)
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Rock crust
(Ionaspis alba)
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Rock dot
(Fellhanera hybrida)
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Rock dot
(Fellhanera granulosa)
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Map
Rock dot
(Fellhanera silicis)
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Map
Rock greenshield parasite
(Burgella flavoparmeliae)
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Map
Rock-hugging Rosette
(Physcia pseudospeciosa)
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Map
Rockefeller's Gray Crosslobes
(Rockefellera crossophylla)
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Rosette Lace-scale
(Phyllopsora parvifolia)
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Rosy Comma
(Coniarthonia pyrrhula)
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Rosy Saucer
(Ochrolechia trochophora)
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Rough Beard
(Usnea angulata)
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Rough Speckled Shield
(Punctelia rudecta)
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Map
Round-head Stubble
(Chaenotheca sphaerocephala)
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Ruffle parasite
(Phacopsis thallicola)
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Map
Ruffled Jellyskin
(Leptogium chloromelum)
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Ruffled Rosette
(Physcia crispa)
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Ruffled Stippleback
(Dermatocarpon arenosaxi)
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Rusted Firedot
(Caloplaca pollinii)
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Rusty Bloodspot
(Haematomma rufidulum)
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Rusty Brook-lichen
(Ionaspis lacustris)
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Rusty Map
(Rhizocarpon oederi)
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Map
Rusty-bottom Fringe
(Heterodermia langdoniana)
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Salted Pepper-spore
(Rinodina granuligera)
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Salted Saucer
(Ochrolechia arborea)
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Salted Shell
(Coccocarpia palmicola)
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Salted Starburst
(Imshaugia aleurites)
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Sam Dyke's Comma
(Arthonia samdykeana)
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Sandstede's Reindeer Lichen
(Cladonia sandstedei)
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Sanford's Volcano
(Ocellularia sanfordiana)
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Map
Santesson's Leaf-whiskers
(Tricharia santessonii)
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Savonic's Stubble
(Chaenothecopsis savonica)
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Map
Scaly Fringe
(Heterodermia squamulosa)
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Scaly Ink Lichen
(Placynthium flabellosum)
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Scaly Limestone-pits
(Verrucaria furfuracea)
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Scaly Pelt
(Peltigera praetextata)
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Scaly Pepper-spore
(Rinodina ascociscana)
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Scaly Reindeer Lichen
(Cladonia furcata)
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Scaly Shadow
(Phaeophyscia squarrosa)
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Scattered Cobblestone
(Trimmatothelopsis dispersa)
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Map
Scattered Rock-posy
(Rhizoplaca subdiscrepans)
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Map
Schiffner's Pox
(Pyrenula schiffneri)
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Map
Scribble parasite
(Opegrapha diffracticola)
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Scribble parasite
(Opegrapha foreaui)
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Script crust
(Fissurina americana)
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Script crust
(Acanthothecis leucoxanthoides)
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Script crust
(Fissurina incrustans)
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Script crust
(Acanthothecis poitaeoides)
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Script crust
(Graphis desquamescens)
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Map
Script crust
(Fissurina ilicicola)
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Map
Script crust
(Graphis disserpens)
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Map
Script crust
(Graphis xylophaga)
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Map
Script crust
(Graphis striatula)
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Map
Script parasite
(Arthonia hodgesii)
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Map
Script parasite
(Coniambigua phaeographidis)
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Map
Scurfy Pox
(Pyrenula microcarpa)
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Map
Sean's Delight
(Megalaria beechingii)
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Map
Secret Volcano Lichen
(Myriotrema clandestinum)
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Seeded Tar Jelly
(Enchylium coccophorum)
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Shadow-dot Lumpling
(Micarea peliocarpa)
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Map
Shadowed City-dot
(Scoliciosporum umbrinum)
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Map
Shaggy Fringe
(Anaptychia palmulata)
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Map
Shaly Jelly
(Enchylium polycarpon)
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Map
Short-bearded Jellyskin
(Leptogium laceroides)
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Map
Short-spored Baton-spore
(Bactrospora brevispora)
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Map
Short-whiskered Ruffle
(Parmotrema dilatatum)
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Map
Showman's Loop
(Hypotrachyna showmanii)
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Map
Sidewalk Firedot
(Xanthocarpia feracissima)
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Map
Simple Branch-Wart
(Pertusaria pustulata)
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Map
Sinewed Strap
(Ramalina americana)
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Map
Sinewed Strap
(Ramalina culbersoniorum)
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Map
Sioux Pepper-spore
(Rinodina siouxiana)
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Sky Flecks
(Chrysothrix caesia)
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Map
Slender Ladder
(Cladonia rappii)
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Map
Slender Orange Bush
(Teloschistes exilis)
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Map
Slender Rosette
(Physcia subtilis)
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Map
Slimy Club-mushroom
(Multiclavula mucida)
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Map
Small-grained Tar-spot
(Placynthiella uliginosa)
Profile
Map
Small-scale Powderhorn
(Cladonia ramulosa)
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Smoky Rim
(Lecanora cenisia)
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Map
Smoky-eyed Boulder Lichen
(Porpidia albocaerulescens)
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Map
Smoky-eyed Boulder Lichen (sorediate form)
(Porpidia degelii)
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Map
Smoldering Bark-fire
(Piccolia ochrophora)
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Map
Smooth Axil-bristle
(Myelochroa galbina)
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Smooth Lungwort; Queen of the Oaks
(Ricasolia quercizans)
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Map
Smooth Map
(Rhizocarpon hochstetteri)
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Map
Smooth Map
(Rhizocarpon infernulum)
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Map
Smooth Rock-tripe
(Umbilicaria mammulata)
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Map
Smooth Shadow
(Phaeophyscia ciliata)
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Map
Smooth Shadow-crust
(Hyperphyscia syncolla)
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Map
Smooth-footed Powderhorn
(Cladonia ochrochlora)
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Smudgy Palm Comma
(Arthonia subdiffusa)
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Snail's Feast
(Flakea papillata)
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Map
Snaking Scribble
(Opegrapha anguinella)
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Map
Snowball Shield
(Canoparmelia cryptochlorophaea)
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Map
Snowy Crevice-disk
(Schismatomma glaucescens)
Profile
Map
Soil Ruby
(Heppia conchiloba)
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Map
Soil crust
(Thrombium epigaeum)
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Map
Sorediate crust
(Opegrapha moroziana)
Profile
Map
Sorediate crust
(Opegrapha corticola)
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Map
Sorediate crust
(Hertelidea pseudobotryosa)
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Map
Sorediate crust
(Nadvornikia sorediata)
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Map
Sorediate crust
(Protoparmelia capitata)
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Map
Southeastern Comma
(Arthonia susa)
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Map
Southeastern Powdered-ruffle
(Parmotrema margaritatum)
Profile
Map
Southern Crimson Dot
(Ramboldia russula)
Profile
Map
Southern Dragon
(Cladonia beaumontii)
Profile
Map
Southern Jellyskin
(Leptogium austroamericanum)
Profile
Map
Southern Lungwort
(Lobaria ravenelii)
Profile
Map
Southern Powdered-rim
(Lecanora floridula)
Profile
Map
Southern Powdery Goldspeck
(Candelariella xanthostigmoides)
Profile
Map
Southern Reindeer Lichen
(Cladonia subtenuis)
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Map
Southern Rock-shield
(Xanthoparmelia subramigera)
Profile
Map
Southern Shingle
(Parmeliella pannosa)
Profile
Map
Southern Soldiers
(Cladonia didyma)
Profile
Map
Southern Strap
(Ramalina stenospora)
Profile
Map
Southern Whiskers
(Gyalideopsis bartramiorum)
Profile
Map
Spaghetti Strap; Striped Ramalina
(Ramalina montagnei)
Profile
Map
Spatulate Rock Strap
(Ramalina labiosorediata)
Profile
Map
Spicy Mustard-rosette
(Pyxine sorediata)
Profile
Map
Spiral-spore Bacidia
(Bacidia helicospora)
Profile
Map
Spiral-spore parasite
(Spirographa fusisporella)
Profile
Map
Split-end Whiskers
(Gyalideopsis subaequatoriana)
Profile
Map
Spotted Dark-spored Script
(Phaeographis punctiformis)
Profile
Map
Spotted Rosette
(Physcia pumilior)
Profile
Map
Spotted Ruffle
(Parmotrema ultralucens)
Profile
Map
Spotted Wart
(Pertusaria paratuberculifera)
Profile
Map
Spring Club-mushroom
(Multiclavula vernalis)
Profile
Map
Squamatic Dust
(Lepraria squamatica)
Profile
Map
Squamulose lichen
(Agonimia flabelliformis)
Profile
Map
Star Rosette
(Physcia stellaris)
Profile
Map
Starburst Doodles
(Leiorreuma sericeum)
Profile
Map
Starry Scribble
(Opegrapha astraea)
Profile
Map
Starry Shell
(Coccocarpia stellata)
Profile
Map
Stellate Script
(Graphis hyphosa)
Profile
Map
Sterile Boulder Lichen
(Porpidia soredizodes)
Profile
Map
Sterile isidiate crust
(Loxospora confusa)
Profile
Map
Sterile sorediate crust
(Dirina massiliensis)
Profile
Map
Sterile sorediate crust
(Biatora pontica)
Profile
Map
Sterile sorediate crust
(Biatora appalachensis)
Profile
Map
Sterile sorediate crust
(Biatora printzenii)
Profile
Map
Stictic Pustule-crust
(Lepra pustulata)
Profile
Map
Stiff Tar-spot
(Placynthiella icmalea)
Profile
Map
Stipitate Pebble
(Trapelia stipitata)
Profile
Map
Stout Ladder
(Cladonia verticillata)
Profile
Map
Streaked Rosette
(Physcia atrostriata)
Profile
Map
Stream Pyrenocrust
(Thelidium zwackhii)
Profile
Map
Streamside Stippleback
(Dermatocarpon luridum)
Profile
Map
Stretched Jellyskin
(Leptogium milligranum)
Profile
Map
Stubble fungus
(Mycocalicium subtile)
Profile
Map
Stubble lichen
(Calicium lenticulare)
Profile
Map
Stubble lichen
(Calicium abietinum)
Profile
Map
Stubble lichen
(Calicium trabinellum)
Profile
Map
Stubble lichen
(Calicium salicinum)
Profile
Map
Stubble lichen
(Calicium hyperelloides)
Profile
Map
Stubby-stalked Cladonia
(Cladonia caespiticia)
Profile
Map
Stupp's Ruffle
(Parmotrema stuppeum)
Profile
Map
Sulphur Dust
(Psilolechia lucida)
Profile
Map
Sulphur Ruffle
(Parmotrema sulphuratum)
Profile
Map
Sunken Martian-eyes
(Mazosia carnea)
Profile
Map
Sunken Rim
(Lecanora oreinoides)
Profile
Map
Sunken Rock Buttons
(Buellia spuria)
Profile
Map
Super's Wart
(Pertusaria superiana)
Profile
Map
Surprise Bacidia
(Bacidia schweinitzii)
Profile
Map
Swamp Soldiers
(Cladonia hypoxantha)
Profile
Map
Tan Turbans
(Cladonia peziziformis)
Profile
Map
Tangled Silk
(Dictyonema sericeum)
Profile
Map
Tattered Jellyskin
(Scytinium lichenoides)
Profile
Map
Tentacular Tarpaper
(Collema pustulatum)
Profile
Map
Texas Shield
(Canoparmelia texana)
Profile
Map
Texas Tar Jelly
(Collema texanum)
Profile
Map
Texas Wart
(Pertusaria texana)
Profile
Map
Thamnolic Fluff-wart
(Lepra trachythallina)
Profile
Map
Thick Fertile Ruffle
(Parmotrema despectum)
Profile
Map
Thin Fertile Ruffle
(Parmotrema eurysacum)
Profile
Map
Thomson's Rosette
(Physcia thomsoniana)
Profile
Map
Thorn Cladonia
(Cladonia uncialis)
Profile
Map
Thorny Ramalina
(Ramalina willeyi)
Profile
Map
Tiny Bark-barnacles
(Thelotrema lathraeum)
Profile
Map
Tiny Black-club Buttons
(Catillaria nigroclavata)
Profile
Map
Tiny Cone Buttons
(Amandinea punctata)
Profile
Map
Tiny Deep-purple Buttons
(Catinaria atropurpurea)
Profile
Map
Tiny Ghosts
(Gyalectidium filicinum)
Profile
Map
Tiny Green Isles
(Gyalectidium viride)
Profile
Map
Tiny Lenticular Buttons
(Catillaria lenticularis)
Profile
Map
Tiny Many-spored Buttons
(Amandinea polyspora)
Profile
Map
Tiny Pimple
(Segestria leptalea)
Profile
Map
Tiny Rock Strap; Appalachian Trail Lichen
(Ramalina petrina)
Profile
Map
Tiny Rust Buttons
(Catillaria chalybeia)
Profile
Map
Tiny Sheaves
(Gyalectidium yahriae)
Profile
Map
Tiny Stubble
(Chaenothecopsis nana)
Profile
Map
Tiny Volcano Lichen
(Leucodecton subcompunctum)
Profile
Map
Tiny button lichen
(Amandinea submontana)
Profile
Map
Tiny button lichen
(Amandinea langloisii)
Profile
Map
Toppled-wart Lichen
(Dictyomeridium amylosporum)
Profile
Map
Toppled-wart Lichen
(Dictyomeridium proponens)
Profile
Map
Treacherous Script
(Fissurina insidiosa)
Profile
Map
Tree Jelly
(Collema subflaccidum)
Profile
Map
Tree Stipplescale
(Placidium arboreum)
Profile
Map
Tree-flute
(Menegazzia subsimilis)
Profile
Map
Tricolor Bacidia
(Bacidia suffusa)
Profile
Map
Troy's Hairy-spined Loop; Troy's Hairy-spined Shield
(Hypotrachyna mcmulliniana)
Profile
Map
Unperforated Ruffle
(Parmotrema submarginale)
Profile
Map
Upright Powdered-ruffle
(Parmotrema hypotropum)
Profile
Map
Usnic Eyelash
(Relicina abstrusa)
Profile
Map
Variable Brown Dotlets
(Lecidea varians)
Profile
Map
Variable Cracked-ruffle
(Parmotrema subisidiosum)
Profile
Map
Variable Dotlet
(Bacidina assulata)
Profile
Map
Variable Pepper-spore
(Rinodina subminuta)
Profile
Map
Variable Speckled-blister
(Viridothelium virens)
Profile
Map
Variable Wrinkle-lichen
(Tuckermannopsis orbata)
Profile
Map
Varied Tar-spot
(Placynthiella dasaea)
Profile
Map
Veiled Pox
(Pyrenula balia)
Profile
Map
Veined Shingle
(Pannaria lurida)
Profile
Map
Violet-crowned Bacidia
(Bacidia purpurans)
Profile
Map
Volcano Branch-Wart
(Pertusaria xanthodes)
Profile
Map
Vouaux's Dust
(Lepraria vouauxii)
Profile
Map
Vulgar Pimple
(Porina heterospora)
Profile
Map
Waghorne's Fluff-wart
(Lepra waghornei)
Profile
Map
Wart lichen
(Pertusaria virensica)
Profile
Map
Wart lichen
(Pertusaria valliculata)
Profile
Map
Wart-lichen black-dot parasite
(Minutoexcipula tuckerae)
Profile
Map
Wart-stubble parasite
(Sphinctrina tubaeformis)
Profile
Map
Wart-stubble parasite
(Sphinctrina turbinata)
Profile
Map
Warty Beard
(Usnea ceratina)
Profile
Map
Warty Script
(Sarcographa tricosa)
Profile
Map
Warty Strap
(Ramalina paludosa)
Profile
Map
Weber's Sunburst
(Xanthomendoza weberi)
Profile
Map
Wee Bark-fire
(Piccolia nannaria)
Profile
Map
Whale-spore Bark-barnacles
(Thelotrema monospermum)
Profile
Map
Whiskered Shadow
(Phaeophyscia hispidula)
Profile
Map
White Blanket
(Cryptothecia striata)
Profile
Map
White Cotton-lichen
(Herpothallon echinatum)
Profile
Map
White Fringe
(Heterodermia albicans)
Profile
Map
White pyrenolichen
(Polymeridium subcinereum)
Profile
Map
White pyrenolichen
(Anisomeridium quadricoccum)
Profile
Map
White pyrenolichen
(Anisomeridium subprostans)
Profile
Map
White pyrenolichen
(Anisomeridium polypori)
Profile
Map
White pyrenolichen
(Constrictolumina cinchonae)
Profile
Map
White pyrenolichen
(Anisomeridium distans)
Profile
Map
White pyrenolichen
(Polymeridium quinqueseptatum)
Profile
Map
White pyrenolichen
(Anisomeridium biformoides)
Profile
Map
White pyrenolichen
(Arthopyrenia degelii)
Profile
Map
White pyrenolichen
(Anisomeridium biforme)
Profile
Map
White pyrenolichen
(Anisomeridium tamarindi)
Profile
Map
White pyrenolichen
(Polymeridium catapastum)
Profile
Map
White pyrenolichen
(Eopyrenula intermedia)
Profile
Map
White pyrenolichen
(Anisomeridium tuckerae)
Profile
Map
White pyrenolichen
(Constrictolumina malaccitula)
Profile
Map
White-heart Mustard-rosette
(Pyxine cocoes)
Profile
Map
White-rimmed Crevice-disk
(Schismatomma rappii)
Profile
Map
Wrinkled Loop
(Hypotrachyna livida)
Profile
Map
Xanthonic Dust
(Lepraria xanthonica)
Profile
Map
Yellow British Soldiers
(Cladonia abbreviatula)
Profile
Map
Yellow Pox
(Pyrenula ochraceoflavens)
Profile
Map
Yellow Ribbon
(Usnocetraria oakesiana)
Profile
Map
Yellow Scale
(Psora icterica)
Profile
Map
Yellow Specklebelly
(Pseudocyphellaria holarctica)
Profile
Map
Yellow sorediate crust
(Ciposia wheeleri)
Profile
Map
Yellow-cored Loop
(Hypotrachyna croceopustulata)
Profile
Map
Yellow-dusted Bark-buttons
(Cresponea flava)
Profile
Map
Yellow-dusted Rock-buttons
(Cresponea premnea var. saxicola)
Profile
Map
Yellow-fingered Pepper-spore
(Rinodina chrysidiata)
Profile
Map
Yellow-heart Mustard-rosette
(Pyxine subcinerea)
Profile
Map
Yellow-orange Dust
(Leproplaca chrysodeta)
Profile
Map
Yellow-tongue Cladonia
(Cladonia robbinsii)
Profile
Map
Yellowish Hidden-treasure
(Thelopsis flaveola)
Profile
Map
Zero Bay Rim
(Lecanora zeroensis)
Profile
Map
Zoned Dust
(Lepraria neglecta)
Profile
Map
a lichen
(Ocellularia praestans)
Profile
Map
a lichen
(Mycoporum antecellens)
Profile
Map