Most observed native shield lichens and allies
178 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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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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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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Powdered Ruffle Lichen
Parmotrema hypotropum
10,835 observations
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Powdered Sunshine Lichen
Vulpicida pinastri
8,957 observations
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Speckled Greenshield
Flavopunctelia flaventior
8,272 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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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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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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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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Pale-footed Horsehair Lichen
Bryoria fuscescens
4,290 observations
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Fishbone Beard Lichen
Usnea dasopoga
4,192 observations
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Brown-eyed Wolf Lichen
Letharia columbiana
4,055 observations
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Crinkled Snow Lichen
Flavocetraria nivalis
3,990 observations
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Eastern Speckled Shield Lichen
Punctelia bolliana
3,965 observations
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Pretty Ruffle
Parmotrema austrosinense
3,867 observations
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Inflated Beard
Usnea cornuta
3,832 observations
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Methuselah's Beard Lichen
Usnea longissima
3,778 observations
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Imshaug's Tube Lichen
Hypogymnia imshaugii
3,714 observations
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Powdery Axil-bristle Lichen
Myelochroa aurulenta
3,683 observations
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Red Beard Lichen
Usnea rubicunda
3,357 observations
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Green Starburst Lichen
Parmeliopsis ambigua
3,109 observations
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Old Gray Ruffles
Parmotrema tinctorum
3,029 observations
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Lustrous Camouflage Lichen
Melanohalea exasperatula
2,511 observations
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Powdered Wrinkle Lichen
Tuckermanopsis chlorophylla
2,308 observations
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Variable Wrinkle-lichen
Tuckermanopsis orbata
2,299 observations
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Concentric Ring Lichen
Arctoparmelia centrifuga
2,054 observations
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Salted Starburst Lichen
Imshaugia aleurites
1,975 observations
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Common Antler Lichen
Pseudevernia consocians
1,965 observations
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Salted Ruffle Lichen
Parmotrema crinitum
1,838 observations
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Yellow Ribbon Lichen
Usnocetraria oakesiana
1,837 observations
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Burred Horsehair Lichen
Bryoria furcellata
1,802 observations
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Shingled Rock Shield
Xanthoparmelia stenophylla
1,796 observations
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Curled Snow Lichen
Flavocetraria cucullata
1,671 observations
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Spotted Camouflage Lichen
Melanohalea olivacea
1,498 observations