Lichens
Lichens are not mushrooms, but a symbiosis of fungi & algae. There could be some incorrectly identified species here - the only way to correctly identify many species is by microscopic features and/or chemical reactions.
Candelariella efflorescens
(Powdery Goldspeck)
Peltigera rufescens
(Field Dog Lichen)
Cetrelia chicitae
(Sea-Storm Lichen)
Lepraria neglecta
(Zoned Dust Lichen)
Flavoparmelia baltimorensis
(Rock Greenshield)
Cladonia coniocraea
(Common Powderhorn)
Cladina mitis
(Green Reindeer Lichen)
Cladina stellaris
(Star-Tipped Reindeer Lichen)
Cladonia cervicornis
(Ladder Lichen)
Parmelia squarrosa
(Bottlebrush Shield Lichen)
Physcia stellaris
(Star Rosette Lichen)
Xanthoparmelia conspersa
(Peppered Rock Shield)
Xanthomendoza fallax
(Hooded Sunburst Lichen)
Cladonia pyxidata
(Pebbled Pixie-Cup)
Anaptychia palmulata
(Shaggy-Fringe Lichen)
Arthonia radiata
(Asterisk Lichen)
Aspicilia cinerea
(Cinder Lichen)
Buellia disciformis
(Boreal Button Lichen)
Candelaria concolor
(Candleflame, Lemon Lichen)
Candelariella vitellina
(Common Goldspeck)
Caloplaca citrina
(Mealy Firedot Lichen)
Caloplaca feracissima
(Sidewalk Firedot Lichen)
Cladina rangiferina
(Gray Reindeer Lichen)
Cladonia chlorophaea
(Mealy Pixie-Cup)
Cladonia cristatella
(British Soldiers)
Cladonia sobolescens
(Peg Lichen)
Cladonia strepsilis
(Olive Cladonia)
Cladonia symphycarpia
(Split-Peg Lichen, Greater Thatch Soldiers)
Cladonia uncialis
(Thorn Cladonia)
Leptogium cyanescens
(Blue Jellyskin)
Conotrema urceolatum
(Can-of-Worms Lichen)
Dermatocarpon luridum
(Brook Lichen, Streamside Stippleback)
Dermatocarpon miniatum
(Leather Lichen, Common Stippleback)
Dimelaena oreina
(Golden Moonglow Lichen)
Evernia mesomorpha
(Boreal Oakmoss Lichen)
Flavoparmelia caperata
(Common Greenshield)
Flavopunctelia soredica
(Powder-Edged Speckled Greenshield)
Graphis scripta
(Common Script Lichen)
Hypogymnia physodes
(Hooded Lichen, Puffed Lichen)
Lecanora dispersa
(Mortar Rim-Lichen)
Lecanora hybocarpa
(Bumpy Rim-Lichen)
Lecanora muralis
(Stonewall Rim-Lichen)
Lecanora thysanophora
(Mapledust Lichen)
Ochrolechia trochophora
(Rosy Saucer Lichen)
Opegrapha varia
(Scribble Lichen)
Pertusaria velata
(Rimmed Wart Lichen)
Peltigera aphthosa
(Common Freckle Pelt, Felt Lichen)
Peltigera praetextata
(Scaly Dog-Lichen)
Peltigera horizontalis
(Flat-Fruited Pelt)
Peltigera evansiana
(Peppered Pelt)
Peltigera lepidophora
(Scaly Pelt)
Phaeophyscia orbicularis
(Mealy Shadow Lichen)
Physcia phaea
(Black-Eyed Rosette Lichen)
Physcia millegrana
(Mealy Rosette Lichen)
Physcia americana
(Powdery Rosette Lichen)
Physcia aipolia
(Hoary Rosette Lichen)
Physcia subtilis
(Slender Rosette Lichen)
Physconia detersa
(Bottlebrush Frost Lichen)
Porpidia albocaerulescens
(Smoky-Eye Boulder Lichen)
Porpidia crustulata
(Concentric Boulder Lichen)
Porpidia macrocarpa
(Boulder Lichen)
Psilolechia lucida
(Sulphur Dust Lichen)
Punctelia bolliana
(Eastern Speckled Shield)
Punctelia rudecta
(Rough Speckled Shield)
Pyxine sorediata
(Mustard Lichen)
Ramalina intermedia
(Rock Ramalina)
Rhizoplaca subdiscrepans
(Scattered Rock-Posy)
Stereocaulon saxatile
(Rock Foam Lichen)
Umbilicaria mammulata
(Smooth Rock Tripe)
Usnea lapponica
(Powdered Beard Lichen)
Xanthoria elegans
(Elegant Sunburst Lichen)
Xanthomendoza polycarpa
(Pin-Cushion Sunburst Lichen)
Xanthomendoza ulophyllodes
(Powdery Sunburst Lichen)
Buellia mamillana
Buellia spuria
(Sunken Button Lichen)
Cladonia fimbriata
(Trumpet Lichen)
Flavopunctelia flaventior
(Speckled Greenshield)
Lecanora caesiorubella
(Frosted Rim-Lichen)
Lecanora strobilina
(Mealy Rim-Lichen)
Parmotrema reticulatum
(Cracked Ruffle Lichen)
Pertusaria plittiana
(Rock Wart Lichen)
Phaeophyscia rubropulchra
(Orange-Cored Shadow Lichen)
Physcia halei
(Granite Rosette Lichen)
Punctelia missouriensis
(Mealy Speckled Shield)
Cladonia apodocarpa
(Stalkless Cladonia)
Hyperphyscia syncolla
(Smooth Shadow-Crust Lichen)
Cladonia cariosa
(Split-Peg Soldiers)
Caloplaca cerina
(Gray-Rimmed Firedot Lichen)
Heterodermia speciosa
(Powdered Fringe Lichen)
Physconia perisidiosa
(Crescent Frost Lichen)
Parmelia saxatilis
(Salted Shield Lichen)
Peltigera elisabethae
(Concentric Pelt)
Anaptychia setifera
(Hanging Fringe Lichen)
Chrysothrix caesia
(Frosted Comma Lichen)
Arthonia polymorpha
Arthonia punctiformis
Buellia stillingiana
(Common Button Lichen)
Lecanora symmicta
(Fused Rim-Lichen)
Cladonia caespiticia
(Stubby-Stalked Cladonia)
Cladonia didyma
(Southern Soldiers)
Cladonia furcata
(Many-Forked Cladonia)
Cladonia macilenta
(Lipstick Powderhorn, Pin Lichen)
Cladonia parasitica
(Fence-Rail Cladonia)
Cladonia ramulosa
(Bran Lichen)
Cladonia rei
(Wand Lichen)
Cladonia robbinsii
(Yellow Tongue Cladonia)
Cladonia scabriuscula
(Mealy Forked Cladonia)
Cladonia squamosa
(Dragon Funnel)
Collema bachmanianum
(Bachman's Soil-Jelly)
Collema tenax
Lasallia papulosa
(Common Toadskin)
Amandinea polyspora
Lecanora albella
Lecanora argentata
Lecanora circumborealis
(Black-Eyed Rim-Lichen)
Lecanora valesiaca
Leptogium lichenoides
(Tattered Jellyskin)
Melanelia septentrionalis
(Northern Camouflage Lichen)
Melanelia subaurifera
(Abraded Camouflage Lichen)
Bilimbia sabuletorum
Mycobilimbia tetramera
(Four-Celled Mosss-Dot)
Myelochroa aurulenta
(Powdery Axil-Bristle Lichen)
Myelochroa galbina
(Smooth Axil-Bristle Lichen)
Ochrolechia arborea
(Tree Crabseye Lichen)
Ochrolechia androgyna
(Powdery Saucer Lichen)
Peltigera didactyla
(Alternating Dog-Lichen)
Peltigera neckeri
(Black Saddle Pelt)
Peltigera polydactylon
(Many-Fruited Pelt)
Pertusaria amara
(Bitter Wart Lichen)
Pertusaria pustulata
Phaeophyscia adiastola
(Powder-Tipped Shadow Lichen)
Phaeophyscia ciliata
(Smooth Shadow Lichen)
Phaeophyscia pusilloides
(Pompon Shadow Lichen)
Physcia adscendens
(Hooded Rosette Lichen)
Physcia caesia
(Blue-Gray Rosette Lichen)
Physciella melanchra
(Mealy Cryptic Rosette)
Physconia leucoleiptes
(Bottlebrush Frost Lichen)
Psora pseudorussellii
(Bordered Scale)
Punctelia perreticulata
(Powdered Speckled Shield Lichen)
Punctelia caseana
Pyrenula pseudobufonia
(Eastern Pox Lichen)
Ramalina americana
(Sinewed Ramalina)
Ramalina farinacea
(Dotted Ramalina)
Xanthoparmelia plittii
(Plitt's Rock Shield)
Xanthoparmelia viriduloumbrina
(Shingled Rock Shield)
Caloplaca arenaria
(Granit Firedot Lichen)
Caloplaca flavovirescens
(Sulphur Firedot Lichen)
Caloplaca holocarpa
(Firedot Lichen)
Caloplaca saxicola
(Rock Jewel)
Caloplaca subsoluta
Candelariella aurella
(Hidden Goldspeck)
Chaenotheca furfuracea
(Sulphur Stubble Lichen)
Cladonia ochrochlora
(Smooth-Footed Powderhorn)
Cladonia subulata
(Antlered Powderhorn)
Diploschistes scruposus
(Crater Lichen)
Endocarpon pusillum
(Scaly Stippled Lichen)
Lecania dubitans
(Bean-Spored Rim-Lichen)
Lepraria incana
(Dust Lichen)
Parmotrema hypotropum
(Powdered Ruffle Lichen)
Placynthiella uliginosa
(Tar-Spot Lichen)
Sarcogyne regularis
(Frosted Grain-Spored Lichen)
Rhizocarpon grande
(Large Map Lichen)
Tephromela atra
(Black-Eye Lichen)
Acarospora veronensis
(Cobblestone Lichen)
Verrucaria muralis
Xanthomendoza hasseana
(Poplar Sunburst Lichen)
Xanthomendoza weberi
(Weber's Sunburst Lichen)
Candelaria fibrosa
(Fringed Candleflame Lichen)
Cyphelium tigillare
(Yellow Soot Lichen)
Acarospora americana
(American Cobblestone Lichen)
Acarospora chrysops
Bacidina egenuloidea
Biatora printzenii
Biatora pontica
Botryolepraria lesdainii
Caloplaca galactophylla
Caloplaca pyracea
Caloplaca microphyllina
Chrysothrix candelaris
(Mustard Powder Lichen)
Caloplaca sideritis
Caloplaca flavorubescens
Caloplaca crenulatella
Cladonia bacillaris
Cladonia grayi
Bactrospora patellarioides
Collema fuscovirens
Dermatocarpon dolomiticum
Diploschistes muscorum
Bacidina inundata
Coenogonium luteum
Endocarpon petrolepideum
Eopyrenula intermedia
Eopyrenula leucoplaca
Hymenelia epulotica
Heppia lutosa
Halecania pepegospora
Icmadophila ericetorum
Julella fallaciosa
Lecania naegelii
Lecanora mughicola
Lecanora crenulata
Lecanora appalachensis
Lecanora chlarotera
Lecanora argentea
Lecanora glabrata
Lecanora allophana
Lecanora perplexa
Lecanora polytropa
Lecanora saligna
Lecanora subimmergens
Lepraria caesiella
Lepraria cryophila
Lepraria eburnea
Lepraria finkii
Lepraria harrisiana
Lepraria humida
Lepraria normandinoides
Lepraria vouauxii
Lithothelium hyalosporum
Lobaria pulmonaria
Lichinella nigritella
Lichinella cribellifera
Leptogium teretiusculum
Leptogium dactylinum
Myelochroa obsessa
Mycocalicium subtile
Multiclavula mucida
Montanella disjuncta
Melanelixia subargentifera
Micarea endocyanea
Micarea peliocarpa
Ochrolechia parella
Opegrapha viridis
Parmotrema stuppeum
Parmotrema margaritatum
Parmotrema chinense
Peltigera extenuata
Pertusaria macounii
Pertusaria consocians
Phaeophyscia sciastra
Phaeophyscia hirtella
Phaeocalicium polyporaeum
Physcia dubia
Phlyctis speirea
Physciella chloantha
Physconia enteroxantha
Placidium squamulosum
Platismatia tuckermanii
Placynthium nigrum
Pleopsidium flavum
Punctelia graminicola
Protoblastenia rupestris
Psorula rufonigra
Punctelia hypoleucites
Ramalina dilacerata
Ramalina pollinaria
Ramalina sinensis
Rhizocarpon cinereovirens
Rhizocarpon eupetraeum
Rhizocarpon rubescens
Rinodina ascociscana
Rinodina bischoffii
Rinodina destituta
Rinodina tephraspis
Ropalospora viridis
Sarcogyne similis
Sarcogyne privigna
Sarcogyne clavus
Sarea resinae
Stereocaulon condensatum
Stereocaulon tomentosum
Strigula submuriformis
Trypethelium virens
Trapeliopsis granulosa
Teloschistes chrysophthalmus
Umbilicaria muehlenbergii
Usnea hirta
Usnea glabrescens
Usnea subfloridana
Xanthoria sorediata
Xylopsora friesii
Xanthoparmelia angustiphylla
Xanthoparmelia cumberlandia
Xanthoparmelia hypofusca
Parmelia sulcata
(Shield Lichen)
Pertusaria alpina
(Alpine Pore Lichen)
Physcia thomsoniana
Ricasolia quercizans
Lecidella stigmatea
Tuckermanopsis americana
Buellia maculata
Cladonia amaurocraea
Cladonia subtenuis
(Dixie Reindeer Lichen)
Lecanora cenisia
Placynthiella icmalea
Xanthoria parietina
(Common Sunburst Lichen)
Lecidea cyrtidia
Lecidella euphorea
Rhizoplaca opiniconensis
Trapeliopsis flexuosa
Xanthoparmelia tasmanica
Coenogonium pineti
Acarospora cinereoalba
Acarospora fuscata
Cladonia phyllophora
(Felt Horn)
Dermatocarpon muhlenbergii
Lecanora subrugosa
Parmotrema perlatum
Parmotrema austrosinense
Rinodina oxydata
Willeya diffractella
Verrucaria nigrescens
Chaenotheca balsamconensis
(Balsam Pin Lichen)
