Minnesota Lichens

     
 
Composite Organism
 
 

Lichens are composite organisms, not individual organisms. They do not form a taxonomic group, but are found in separate lineages. They are composed of a fungus (mycobiont) and a photosynthetic partner (photobiont), usually either a green alga or a cyanobacteria. They take their scientific name from the fungal component. There are 14,000 to 20,000 species of lichens in hundreds of genera.

 

Field Dog Lichen

 

 

         
 
Recent Additions
 
 

Boreal Oakmoss

 
 

Boreal Oakmoss (Evernia mesomorpha) is a common and widespread shrubby lichen. It occurs across the globe in the northern latitudes. In the United States it is restricted to the northern tier of states. In Minnesota it is common in the northern third of the state, very common in the Arrowhead region, with only scattered occurrences south to the Metro region. It is found in sunny sites in forests and woodlands. It grows on the branches of both deciduous and coniferous trees. It is relatively tolerant of pollution, which allows it to survive near urban areas.

The vegetative body is shrub-like. It consists of numerous, loosely hanging, evenly forked branches. It looks something like an antler lichen but has broader branches. The branches are soft when wet, and pliable, not brittle, when dry. The upper and lower surfaces are green, wrinkled, and usually have abundant, coarse, granules. These granules are the main form vegetative reproduction. Sexual reproductive structures are rarely produced.

Boreal Oakmoss is not edible. Handling it may cause severe dermatitis.

  Bristly Beard Lichen  
    Photo by Luciearl  
       
       
       
       
       
       
       
       
       
       
 

Bristly Beard Lichen

 
 

Bristly Beard Lichen (Usnea hirta) is a very common shrubby lichen, It occurs throughout Europe and the Americas. It is common in northeast and north-central Minnesota, very common in the Arrowhead region, but completely absent from the remaining two-thirds of the state. It is found in coniferous and mixed forests growing on the bark and twigs of sick or dying coniferous trees, rarely also on birch trees, very rarely also on rock.

Bristly Beard Lichen is pale, grayish-green, yellowish-green, or blackish-gray, and is variable in shape. It may appear as a few long drooping strands; an erect, densely branched, shrub-like tuft; or a combination of the two. The main branches are unequal in length and have numerous short side branches. They are usually short, erect, and stiff when dry, limp when wet. Drooping branches, if present, are long and contorted. All branches are angular, not round, in cross section, are swollen at the base, and are often broadly forked. The base of each branch is the same color as the rest of the branch, not blackened. The surface is dull to shiny and never cracked.

  Bristly Beard Lichen  
    Photo by Luciearl  
       
       
       
       
       
       
       
       
       
 

Sinewed Bushy Lichen

 
 

Sinewed Bushy Lichen (Ramalina americana) is widespread and very common. It occurs in the eastern deciduous forests of the United States and southern Canada, and in the mountainous forests of Mexico. In Minnesota it is very common in the north, scattered to absent in the south. It is found on bark of old hardwood trees, usually in full sun, mostly on twigs and branches in the upper canopy but also on the trunk. It is more sensitive to air pollution than most lichens, and is absent from areas with even mild air pollution.

Sinewed Bushy Lichen appears as a short, shrubby, yellowish-green tuft. The branches are narrow, straight-sided, flattened, solid, and strongly ridged and channeled. Yellow, disk-like, spore-producing structures are frequent and large. They appear at or close to the tips of the branches. They are usually flat but often contorted.

  Sinewed Bushy Lichen  
    Photo by Luciearl  
       
       
       
       
       
 

Hooded Sunburst Lichen

 
 

Hooded Sunburst Lichen (Oxneria fallax) is a widespread and very common lichen. It occurs throughout Europe and across North America, and is very common in Minnesota. It grows on bark on the trunks of hardwood trees in humid to moderately dry conditions. It forms rosettes up to 1½ in diameter that often fuse together into large colonies.

Hooded Sunburst Lichen is leaf-like and divided into small lobes. It is deep orange where exposed to the sun, orangish-red to reddish-orange in partially shaded areas, and pale greenish-yellow in deep shade. Tiny, crescent-shaped slits, are formed on the margins at the tips of the lobes. Within the slits powdery, greenish-yellow clusters of cells are produced. The cell clusters are dispersed by wind and rain, and can form new rosettes when they land on a suitable surface.

Disk-like, spore-producing structures are rarely produced. When present, the disks are stalked, orange, up to in diameter, and shaped like a plate. Each disk has a ring of tissue around it that resembles the tissue of the lobes.

  Hooded Sunburst Lichen  
    Photo by Alfredo Colon  
       
       
       
       
       
       
       
       
       
       
 

Tree Lungwort

 
 

Tree Lungwort (Lobaria pulmonaria) is common in the northeast and north-central regions on Minnesota. It is found on trees, mossy rocks, and wood in mature coniferous and deciduous forests. It is sensitive to atmospheric pollution and is considered a good indicator of a rich, healthy, unpolluted forest.

Tree Lungwort is leaf-like and is divided into large lobes. The lobes are often attached at just one end and hang loosely. They are pale brown to olive-brown and papery when dry, bright green and leathery when wet or moist. The upper surface has a conspicuous network of ridges and depressions.

Tree Lungwort is a favorite food source for moose in northeast United States. It was once thought by herbalists to be a remedy for tuberculosis because it resembles lung tissue.

  Tree Lungwort  
    Photo by Luciearl  
       
       
       
       
       
         
 
Other Recent Additions
 
 

Rim Lichens (Lecanora spp.)

Bottlebrush Frost Lichen (Physconia detersa)

Unknown Lichens

Hammered Shield Lichen (Parmelia sulcata)

Powder-edged Speckled Greenshield (Flavopunctelia soredica)

Felt Horn Lichen (Cladonia phyllophora)

  Felt Horn Lichen  
    Photo by Luciearl  
                 
 

This list includes only lichens that have been recorded in Minnesota, but not all of the lichens found in Minnesota.

 
                 
 
         
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Abrading Ring Lichen (Arctoparmelia subcentrifuga)

       

Alternating Dog Lichen (Peltigera didactyla)

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American Starburst Lichen (Imshaugia placorodia)

       

Angel’s Hair Lichen (Ramalina thrausta)

       

Appalachian Speckled Shield Lichen (Punctelia appalachensis)

       

Baglietto’s dotted lichen (Bacidia bagliettoana)

       

Black Disc Lichen (Buellia nigra)

       

Black-footed Reindeer Lichen (Cladonia stygia)

       

Bloody Beard Lichen (Usnea mutabilis)

       

Bloody Heart Lichen (Mycoblastus sanguinarius)

       

Bloody-heart Lichen (Mycoblastus sanguinarius)

       

Blue-gray Rosette Lichen (Physcia caesia)

       

Board Lichen (Trapeliopsis flexuosa)

       

Bolander’s Peltula Lichen (Peltula bolanderi)

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Boreal Oakmoss (Evernia mesomorpha)

       

Boreal Single-spored Map Lichen (Rhizocarpon grande)

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Bottlebrush Frost Lichen (Physconia detersa)

       

Bottlebrush Shield Lichen (Parmelia squarrosa)

       

Branching Pixie Pebblehorn Lichen (Cladonia decorticata)

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Bright Cobblestone Lichen (Acarospora socialis)

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Bristly Beard Lichen (Usnea hirta)

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British Soldiers (Cladonia cristatella)

       

Brook Stippleback Lichen (Dermatocarpon luridum)

       

Brown Beter Lichen (Baeomyces rufus)

       

Brown-eyed Camouflage Lichen (Melanelia subolivacea)

       

Brown-gray Moss-shingle Lichen (Protopannaria pezizoides)

       

Burred Horsehair Lichen (Bryoria furcellata)

       

Candleflame Lichen (Candelaria concolor)

       

Candy Lichen (Icmadophila ericetorum)

       

Can-of-worms Lichen (Conotrema urceolatum)

       

Cavern Beard Lichen (Usnea cavernosa)

       

Chicita’s Sea Storm Lichen (Cetrelia chicitae)

       

Cinder Lichen (Aspicilia cinerea)

       

comma lichen (Arthonia punctiformis)

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Common Antler Lichen (Pseudevernia consocians)

       

Common Button Lichen (Buellia stillingiana)

       

Common Clam Lichen (Hypocenomyce scalaris)

       

Common Goldspeck (Candelariella vitellina)

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Common Greenshield Lichen (Flavoparmelia caperata)

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Common Powderhorn (Cladonia coniocraea)

       

Common Tree Firedot Lichen (Caloplaca holocarpa)

       

Concentric Ring Lichen (Arctoparmelia centrifuga)

       

Cumberland Rock Shield (Xanthoparmelia cumberlandia)

       

Cup Lichen (Cladonia peziziformis)

       

Dark Dot Lichen (Micarea melaena)

       

Dog Lichen (Peltigera caninna)

       

Dragon Horn (Cladonia squamosa)

       

Drenched Map Lichen (Rhizocarpon lavatum)

       

Dusty Cobblestone Lichen (Acarospora americana)

       

Easter Foam Lichen (Stereocaulon paschale)

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Eastern Candlewax Lichen (Ahtiana aurescens)

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Eastern Speckled Shield Lichen (Punctelia bolliana)

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Elegant Sunburst Lichen (Xanthoria elegans)

       

False Reindeer Lichen (Cladonia wainioi)

       

Fan Lichen (Peltigera venosa)

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Felt Horn Lichen (Cladonia phyllophora)

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Field Dog Lichen (Peltigera rufescens)

       

Fingered Moon Lichen (Sticta beauvoisii)

       

firedot lichen (Caloplaca lignicola)

       

firedot lichen (Caloplaca soralifera)

       

firedot lichen (Caloplaca spp.)

       

firedot lichen (Caloplaca stellata)

       

Fluffy Dust Lichen (Lepraria finkii)

       

Frayed Ramalina Lichen (Ramalina roesleri)

       

Fringed Candleflame Lichen (Candelaria fibrosa)

       

frost lichen (Physconia grumosa)

       

Gold Dust Lichen (Chrysothrix candelaris)

       

Golden Dot Lichen (Arthrorhaphis citrinella)

       

Golden Moonglow Lichen (Dimelaena oreina)

       

Granite Firedot Lichen (Rufoplaca arenaria)

       

Granular Mottled-disk Lichen (Trapeliopsis granulosa)

       

Gray Reindeer Lichen (Cladonia rangiferina)

       

Gray Starburst Lichen (Parmeliopsis hyperopta)

       

Gray’s Cup Lichen (Cladonia grayi)

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Green Reindeer Lichen (Cladonia mitis)

       

Green Starburst Lichen (Parmeliopsis ambigua)

       

Greenpea Mushroom Lichen (Omphalina umbellifera)

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Hammered Shield Lichen (Parmelia sulcata)

       

Hanging Fringe Lichen (Anaptychia crinalis)

       

Hoary Rosette Lichen (Physcia aipolia)

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Hooded Sunburst Lichen (Oxneria fallax)

       

Lakezone Lichen (Staurothele fissa)

       

lichen (Caloplaca parvula)

       

lichen (Cresponea chloroconia)

       

lichen (Eopyrenula intermedia)

       

lichen (Lambiella caeca)

       

lichen (Lecanora opiniconensis)

       

lichen (Leptogium apalachense)

       

lichen (Parmelia stictica)

       

lichen (Phaeophyscia chloantha)

       

lichen (Thelocarpon epibolum)

Profile Photo Video  

Lipstick Powderhorn (Cladonia macilenta)

       

Macoun’s Wart Lichen (Pertusaria macounii)

       

Mapledust Lichen (Lecanora thysanophora)

       

Mealy Forked Cladonia (Cladonia scabriuscula)

       

Mealy Pixie Cup (Cladonia chlorophaea)

       

Methuselah’s Beard Lichen (Usnea longissima)

       

Old-Growth Clam Lichen (Xylopsora friesii)

       

Orange Rock Posy (Rhizoplaca chrysoleuca)

       

Orange-Dust Firedot Lichen (Caloplaca microphyllina)

       

Orange-tinted Fringe Lichen (Heterodermia obscurata)

       

Organ-pipe Lichen (Cladonia crispata)

       

Pale-footed Horsehair Lichen (Bryoria fuscescens)

       

Pebbled Pixie Cup (Cladonia pyxidata)

       

Peg Lichen (Cladonia polycarpoides)

       

Peppered Moon Lichen (Sticta fuliginosa)

       

Peter Pan Cockleshell (Fulgidea oligospora)

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Pin-cushion Sunburst Lichen (Polycauliona polycarpa)

       

Pixie Foam Lichen (Stereocaulon pileatum)

       

Plated Rock Tripe (Umbilicaria muehlenbergii)

       

Poplar Sunburst Lichen (Xanthoria hasseana)

       

Port-hole Lichen (Menegazzia terebrata)

       

Powdered Fringe Lichen (Heterodermia speciosa)

       

Powdered Speckled Shield Lichen (Punctelia subrudecta)

       

Powder-edged Ruffle Lichen (Parmelia stuppea)

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Powder-edged Speckled Greenshield (Flavopunctelia soredica)

       

Powder-tipped Rosette Lichen (Physcia dubia)

       

Powder-tipped Shadow Lichen (Phaeophyscia adiastola)

       

Powdery Almond Lichen (Amygdalaria panaeola)

       

Powdery Axil-bristle Lichen (Myelochroa aurulenta)

       

Powdery Goldspeck Lichen (Candelariella efflorescens)

       

Powdery Saucer Lichen (Ochrolechia androgyna)

       

Powdery Sunburst Lichen (Xanthoria ulophyllodes)

       

Punctured Rock Tripe (Umbilicaria torrefacta)

       

Quill Lichen (Cladonia amaurocraea)

       

Ragbag Lichen (Platismasunbursttia glauca)

       

Red Beard Lichen (Usnea rubicunda)

       

Reindeer Lichen (Cladonia arbuscula)

       

rim lichen (Lecanora epanora)

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Rim Lichens (Lecanora spp.)

       

Rock Axil-bristle Lichen (Myelochroa obsessa)

       

Rock Greenshield Lichen (Flavoparmelia baltimorensis)

       

Rock Shield Lichen (Xanthoparmelia sp.)

       

Rock Shingle Lichen (Vahliella leucophaea)

       

Salted Shell Lichen (Coccocarpia palmicola)

       

Salted Starburst Lichen (Imshaugia aleurites)

       

Sea Storm Lichen (Cetrelia olivetorum)

       

Shag-Belly Stippleback Lichen (Dermatocarpon moulinsii)

       

Shameless Rim Lichen (Lecanora impudens)

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Sinewed Bushy Lichen (Ramalina americana)

       

Small Clam Lichen (Carbonicola anthracophila)

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Smooth Axil-bristle Lichen (Myelochroa galbina)

       

Smooth Lungwort (Lobaria quercizans)

       

Smooth-footed Powderhorn (Cladonia ochrochlora)

       

Speckled Greenshield (Flavopunctelia flaventior)

       

Spiny Gray Horsehair Lichen (Bryoria nadvornikiana)

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Star Rosette Lichen (Physcia stellaris)

       

Star-tipped Reindeer Lichen (Cladonia stellaris)

       

Stonewall Rim Lichen (Protoparmeliopsis muralis)

       

Stretched Jellyskin (Leptogium milligranum)

       

Sugared Sunburst Lichen (Xanthoria sorediata)

       

Sulphur Dust Lichen (Chrysothrix chlorina)

       

Sulphur Firedot Lichen (Caloplaca flavovirescens)

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Sunburst Lichen (Xanthoria spp.)

       

Textured Lungwort (Lobaria scrobiculata)

       

Tight Rock-shield (Xanthoparmelia lineola)

       

Tiny Button Lichen (Amandinea punctata)

       

Tree Jelly (Collema subflaccidum)

Profile Photo Video  

Tree Lungwort (Lobaria pulmonaria)

       

Trumpet Lichen (Cladonia fimbriata)

       

Umber Dot Lichen (Scoliciosporum umbrinum)

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Unknown Lichens

       

Wand Lichen (Cladonia rei)

Profile Photo    

Whitewash Lichen (Phlyctis argena)

       

Yellow Map Lichen (Rhizocarpon geographicum)

       

Yellow Ribbon Lichen (Allocetraria oakesiana)

       

Yellow Specklebelly (Pseudocyphellaria crocata)

 

Acarospora americana (Dusty Cobblestone Lichen)

Acarospora socialis (Bright Cobblestone Lichen)

Ahtiana aurescens (Eastern Candlewax Lichen)

Allocetraria oakesiana (Yellow Ribbon Lichen)

Amandinea punctata (Tiny Button Lichen)

Amygdalaria panaeola (Powdery Almond Lichen)

Anaptychia crinalis (Hanging Fringe Lichen)

Arctoparmelia centrifuga (Concentric Ring Lichen)

Arctoparmelia subcentrifuga (Abrading Ring Lichen)

Arthonia punctiformis (comma lichen)

Arthrorhaphis citrinella (Golden Dot Lichen)

Aspicilia cinerea (Cinder Lichen)

Bacidia bagliettoana (Baglietto’s dotted lichen)

Baeomyces rufus (Brown Beter Lichen)

Bryoria furcellata (Burred Horsehair Lichen)

Bryoria fuscescens (Pale-footed Horsehair Lichen)

Bryoria nadvornikiana (Spiny Gray Horsehair Lichen)

Buellia nigra (Black Disc Lichen)

Buellia stillingiana (Common Button Lichen)

Caloplaca flavovirescens (Sulphur Firedot Lichen)

Caloplaca holocarpa (Common Tree Firedot Lichen)

Caloplaca lignicola (firedot lichen)

Caloplaca microphyllina (Orange-Dust Firedot Lichen)

Caloplaca parvula (lichen)

Caloplaca soralifera (firedot lichen)

Caloplaca spp. (firedot lichen)

Caloplaca stellata (firedot lichen)

Candelaria concolor (Candleflame Lichen)

Candelaria fibrosa (Fringed Candleflame Lichen)

Candelariella efflorescens (Powdery Goldspeck Lichen)

Candelariella vitellina (Common Goldspeck)

Carbonicola anthracophila (Small Clam Lichen)

Cetrelia chicitae (Chicita’s Sea Storm Lichen)

Cetrelia olivetorum (Sea Storm Lichen)

Chrysothrix candelaris (Gold Dust Lichen)

Chrysothrix chlorina (Sulphur Dust Lichen)

Cladonia amaurocraea (Quill Lichen)

Cladonia arbuscula (Reindeer Lichen)

Cladonia chlorophaea (Mealy Pixie Cup)

Cladonia coniocraea (Common Powderhorn)

Cladonia crispata (Organ-pipe Lichen)

Cladonia cristatella (British Soldiers)

Cladonia decorticata (Branching Pixie Pebblehorn Lichen)

Cladonia fimbriata (Trumpet Lichen)

Cladonia grayi (Gray’s Cup Lichen)

Cladonia macilenta (Lipstick Powderhorn)

Cladonia mitis (Green Reindeer Lichen)

Cladonia ochrochlora (Smooth-footed Powderhorn)

Cladonia peziziformis (Cup Lichen)

Cladonia phyllophora (Felt Horn Lichen)

Cladonia polycarpoides (Peg Lichen)

Cladonia pyxidata (Pebbled Pixie Cup)

Cladonia rangiferina (Gray Reindeer Lichen)

Cladonia rei (Wand Lichen)

Cladonia scabriuscula (Mealy Forked Cladonia)

Cladonia squamosa (Dragon Horn)

Cladonia stellaris (Star-tipped Reindeer Lichen)

Cladonia stygia (Black-footed Reindeer Lichen)

Cladonia wainioi (False Reindeer Lichen)

Coccocarpia palmicola (Salted Shell Lichen)

Collema subflaccidum (Tree Jelly)

Conotrema urceolatum (Can-of-worms Lichen)

Cresponea chloroconia (lichen)

Dermatocarpon luridum (Brook Stippleback Lichen)

Dermatocarpon moulinsii (Shag-Belly Stippleback Lichen)

Dimelaena oreina (Golden Moonglow Lichen)

Eopyrenula intermedia (lichen)

Evernia mesomorpha (Boreal Oakmoss)

Flavoparmelia baltimorensis (Rock Greenshield Lichen)

Flavoparmelia caperata (Common Greenshield Lichen)

Flavopunctelia flaventior (Speckled Greenshield)

Flavopunctelia soredica (Powder-edged Speckled Greenshield)

Fulgidea oligospora (Peter Pan Cockleshell)

Heterodermia obscurata (Orange-tinted Fringe Lichen)

Hypocenomyce scalaris (Common Clam Lichen)

Icmadophila ericetorum (Candy Lichen)

Imshaugia aleurites (Salted Starburst Lichen)

Imshaugia placorodia (American Starburst Lichen)

Lambiella caeca (lichen)

Lecanora epanora (rim lichen)

Lecanora impudens (Shameless Rim Lichen)

Lecanora opiniconensis (rim lichen)

Lecanora spp. (Rim Lichens)

Lecanora thysanophora (Mapledust Lichen)

Lepraria finkii (Fluffy Dust Lichen)

Leptogium apalachense (lichen)

Leptogium milligranum (Stretched Jellyskin)

Lobaria pulmonaria (Tree Lungwort)

Lobaria quercizans (Smooth Lungwort)

Lobaria scrobiculata (Textured Lungwort)

Melanelia subolivacea (Brown-eyed Camouflage Lichen)

Menegazzia terebrata (Port-hole Lichen)

Micarea melaena (Dark Dot Lichen)

Mycoblastus sanguinarius (Bloody Heart Lichen)

Mycoblastus sanguinarius (Bloody-heart Lichen)

Myelochroa aurulenta (Powdery Axil-bristle Lichen)

Myelochroa galbina (Smooth Axil-bristle Lichen)

Myelochroa obsessa (Rock Axil-bristle Lichen)

Ochrolechia androgyna (Powdery Saucer Lichen)

Omphalina umbellifera (Greenpea Mushroom Lichen)

Oxneria fallax (Hooded Sunburst Lichen)

Parmelia squarrosa (Bottlebrush Shield Lichen)

Parmelia stictica (lichen)

Parmelia stuppea (Powder-edged Ruffle Lichen)

Parmelia sulcata (Hammered Shield Lichen)

Parmeliopsis ambigua (Green Starburst Lichen)

Parmeliopsis hyperopta (Gray Starburst Lichen)

Peltigera caninna (Dog Lichen)

Peltigera didactyla (Alternating Dog Lichen)

Peltigera rufescens (Field Dog Lichen)

Peltigera venosa (Fan Lichen)

Peltula bolanderi (Bolander’s Peltula Lichen)

Pertusaria macounii (Macoun’s Wart Lichen)

Phaeophyscia adiastola (Powder-tipped Shadow Lichen)

Phaeophyscia chloantha (lichen)

Phlyctis argena (Whitewash Lichen)

Physcia aipolia (Hoary Rosette Lichen)

Physcia caesia (Blue-gray Rosette Lichen)

Physcia dubia (Powder-tipped Rosette Lichen)

Physcia stellaris (Star Rosette Lichen)

Physconia detersa (Bottlebrush Frost Lichen)

Physconia grumosa (frost lichen)

Platismasunbursttia glauca (Ragbag Lichen)

Polycauliona polycarpa (Pin-cushion Sunburst Lichen)

Protopannaria pezizoides (Brown-gray Moss-shingle Lichen)

Protoparmeliopsis muralis (Stonewall Rim Lichen)

Pseudevernia consocians (Common Antler Lichen)

Pseudocyphellaria crocata (Yellow Specklebelly)

Punctelia appalachensis (Appalachian Speckled Shield Lichen)

Punctelia bolliana (Eastern Speckled Shield Lichen)

Punctelia subrudecta (Powdered Speckled Shield Lichen)

Ramalina americana (Sinewed Bushy Lichen)

Ramalina roesleri (Frayed Ramalina Lichen)

Ramalina thrausta (Angel’s Hair Lichen)

Rhizocarpon geographicum (Yellow Map Lichen)

Rhizocarpon grande (Boreal Single-spored Map Lichen)

Rhizocarpon lavatum (Drenched Map Lichen)

Rhizoplaca chrysoleuca (Orange Rock Posy)

Rufoplaca arenaria (Granite Firedot Lichen)

Scoliciosporum umbrinum (Umber Dot Lichen)

Staurothele fissa (Lakezone Lichen)

Stereocaulon paschale (Easter Foam Lichen)

Stereocaulon pileatum (Pixie Foam Lichen)

Sticta beauvoisii (Fingered Moon Lichen)

Sticta fuliginosa (Peppered Moon Lichen)

Thelocarpon epibolum (lichen)

Trapeliopsis flexuosa (Board Lichen)

Trapeliopsis granulosa (Granular Mottled-disk Lichen)

Umbilicaria muehlenbergii (Plated Rock Tripe)

Umbilicaria torrefacta (Punctured Rock Tripe)

Usnea cavernosa (Cavern Beard Lichen)

Usnea hirta (Bristly Beard Lichen)

Usnea longissima (Methuselah’s Beard Lichen)

Usnea mutabilis (Bloody Beard Lichen)

Usnea rubicunda (Red Beard Lichen)

Vahliella leucophaea (Rock Shingle Lichen)

Xanthoparmelia cumberlandia (Cumberland Rock Shield)

Xanthoparmelia lineola (Tight Rock-shield)

Xanthoparmelia sp. (Rock Shield Lichen)

Xanthoria elegans (Elegant Sunburst Lichen)

Xanthoria hasseana (Poplar Sunburst Lichen)

Xanthoria sorediata (Sugared Sunburst Lichen)

Xanthoria spp. (Sunburst Lichen)

Xanthoria ulophyllodes (Powdery Sunburst Lichen)

Xylopsora friesii (Old-Growth Clam Lichen)

 

 

 

 

 

 

 

 

American Starburst Lichen

 

 

 

 

 

 

 

 

 

Boreal Oakmoss

Bottlebrush Frost Lichen

Bright Cobblestone Lichen

Bristly Beard Lichen

British Soldiers

 

 

 

 

 

 

 

 

 

Common Antler Lichen

Common Greenshield Lichen

Common Powderhorn

 

 

 

 

 

 

 

 

Eastern Candlewax Lichen

Eastern Speckled Shield Lichen

Elegant Sunburst Lichen

Felt Horn Lichen (Cladonia phyllophora)

Field Dog Lichen

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Green Reindeer Lichen

Hammered Shield Lichen

Hooded Sunburst Lichen

 

 

 

 

 

 

 

 

 

 

Lipstick Powderhorn

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pin-cushion Sunburst Lichen

 

 

 

 

 

 

 

Powder-edged Speckled Greenshield

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Rim Lichen (Lecanora sp.)

 

 

 

 

 

 

 

 

 

Sinewed Bushy Lichen

Smooth Axil-bristle Lichen

 

 

 

Star Rosette Lichen

 

 

 

 

 

 

 

Sunburst Lichen (Xanthoria sp.)

Tree Lungwort

Unknown Lichen

Whitewash Lichen

 

 

 

No Species Page Yet?

If you do not see a linked page for a lichen in the list at left you can still upload a photo or video as an email attachment or report a sighting for that lichen. Click on one of the buttons below and type in the common name and/or scientific name of the lichen in your photo, video, or sighting. A new page will be created for that lichen featuring your contribution.

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