Most observed native common lichens
888 species, native to the US, by observations.
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Common Sunburst Lichen
Xanthoria parietina
112,681 observations
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Common Greenshield Lichen
Flavoparmelia caperata
68,243 observations
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Netted Shield Lichen
Parmelia sulcata
59,080 observations
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Oakmoss
Evernia prunastri
49,887 observations
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Tree Lungwort
Lobaria pulmonaria
41,914 observations
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Hooded Tube Lichen
Hypogymnia physodes
31,313 observations
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Stonewall Rim Lichen
Protoparmeliopsis muralis
25,160 observations
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Elegant Sunburst Lichen
Rusavskia elegans
24,170 observations
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Gray Reindeer Lichen
Cladonia rangiferina
23,630 observations
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Trumpet Lichen
Cladonia fimbriata
23,354 observations
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Hooded Rosette Lichen
Physcia adscendens
22,168 observations
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Whitewash Lichen
Phlyctis argena
21,305 observations
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Common Powderhorn
Cladonia coniocraea
20,225 observations
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Farinose Cartilage Lichen
Ramalina farinacea
18,911 observations
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Fluffy Dust Lichen
Lepraria finkii
17,783 observations
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Rough Speckled Shield Lichen
Punctelia rudecta
16,441 observations
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Varied Rag Lichen
Platismatia glauca
16,191 observations
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Golden-eye Lichen
Teloschistes chrysophthalmus
15,502 observations
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British Soldier Lichen
Cladonia cristatella
15,128 observations
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Yellow Map Lichen
Rhizocarpon geographicum
14,883 observations
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Common Script Lichen
Graphis scripta
14,623 observations
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Wolf Lichen
Letharia vulpina
14,557 observations
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Smooth Rock Tripe
Umbilicaria mammulata
13,944 observations
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Star Rosette Lichen
Physcia stellaris
13,291 observations
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Boreal Oakmoss
Evernia mesomorpha
13,113 observations
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Cumberland Rock Shield
Xanthoparmelia cumberlandia
11,587 observations
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Lace Lichen
Ramalina menziesii
11,529 observations
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Hooded Sunburst Lichen
Xanthomendoza fallax
11,251 observations
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Green Reindeer Lichen
Cladonia arbuscula
10,929 observations
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Powdered Ruffle Lichen
Parmotrema hypotropum
10,835 observations
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Rosette Lichen
Physcia millegrana
10,746 observations
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Hoary Rosette Lichen
Physcia aipolia
10,699 observations
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Many-forked Cladonia
Cladonia furcata
10,681 observations
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Star-tipped Reindeer Lichen
Cladonia stellaris
10,548 observations
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Scaly Pelt Lichen
Peltigera praetextata
10,413 observations
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Smokey-eyed Boulder Lichen
Porpidia albocaerulescens
10,018 observations
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Lecidella Lichen
Lecidella elaeochroma
9,817 observations
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Membranous Pelt Lichen
Peltigera membranacea
9,504 observations
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Dog Pelt Lichen
Peltigera canina
9,497 observations
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Mealy Shadow Lichen
Phaeophyscia orbicularis
8,984 observations
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Powdered Sunshine Lichen
Vulpicida pinastri
8,957 observations
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Mealy Pixie Cup
Cladonia chlorophaea
8,352 observations
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Pebbled Pixie Cup
Cladonia pyxidata
8,333 observations
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Dragon Horn
Cladonia squamosa
8,307 observations
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Speckled Greenshield
Flavopunctelia flaventior
8,272 observations
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Slender Orange-bush
Teloschistes exilis
8,149 observations
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Dixie Reindeer Lichen
Cladonia subtenuis
7,965 observations
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Rock Greenshield Lichen
Flavoparmelia baltimorensis
7,839 observations
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Blue-gray Rosette Lichen
Physcia caesia
7,817 observations
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Freckled Pelt Lichen
Peltigera aphthosa
7,706 observations