Most observed native shield lichens, rim lichens, and allies
426 species, native to the US, by 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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Hooded Tube Lichen
Hypogymnia physodes
31,313 observations
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Stonewall Rim Lichen
Protoparmeliopsis muralis
25,160 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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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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British Soldier Lichen
Cladonia cristatella
15,128 observations
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Wolf Lichen
Letharia vulpina
14,557 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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Green Reindeer Lichen
Cladonia arbuscula
10,929 observations
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Powdered Ruffle Lichen
Parmotrema hypotropum
10,835 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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Lecidella Lichen
Lecidella elaeochroma
9,817 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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Dixie Reindeer Lichen
Cladonia subtenuis
7,965 observations
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Rock Greenshield Lichen
Flavoparmelia baltimorensis
7,839 observations
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Powder-headed Tube Lichen
Hypogymnia tubulosa
7,195 observations
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Lipstick Powderhorn
Cladonia macilenta
7,047 observations
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Reindeer Lichen
Cladonia portentosa
6,977 observations
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Iceland Lichen
Cetraria islandica
6,784 observations
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Black Stone Flower
Parmotrema perlatum
6,682 observations
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Peppered Rock-shield
Xanthoparmelia conspersa
6,585 observations
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Black Sheet Lichen
Parmotrema reticulatum
6,482 observations
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Dotted Ribbon Lichen
Ramalina fastigiata
6,094 observations
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Evans' Deer Moss
Cladonia evansii
6,085 observations
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Salted Shield Lichen
Parmelia saxatilis
5,876 observations
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Bottlebrush Shield Lichen
Parmelia squarrosa
5,616 observations
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Perforated Ruffle Lichen
Parmotrema perforatum
5,412 observations
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Mapledust Lichen
Lecanora thysanophora
5,012 observations
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Thorn Lichen
Cladonia uncialis
4,837 observations
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Rock Disk Lichen
Lecidella stigmatea
4,653 observations
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Boreal Beard Lichen
Usnea subfloridana
4,472 observations
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Powder-edged Speckled Greenshield
Flavopunctelia soredica
4,458 observations
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Witch's Hair
Alectoria sarmentosa
4,417 observations
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Crumpled Rag Lichen
Platismatia tuckermanii
4,348 observations
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Mortar Rim Lichen
Myriolecis dispersa
4,301 observations
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Dusted White-Rim
Lecanora chlarotera
4,297 observations