Most observed native wart lichens, water lichens, and allies
48 species, native to the US, by observations.
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Candy Lichen
Icmadophila ericetorum
7,493 observations
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Pink Earth Lichen
Dibaeis baeomyces
7,134 observations
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Cinder Lichen
Aspicilia cinerea
5,504 observations
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Bitter Wart Lichen
Lepra amara
5,078 observations
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Chiseled Sunken Disk Lichen
Circinaria contorta
3,939 observations
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Calcareous Rimmed Lichen
Circinaria calcarea
2,505 observations
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Double-Rimmed Saucer Lichen
Ochrolechia oregonensis
975 observations
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Frosty Saucer
Ochrolechia africana
749 observations
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Texas Wart Lichen
Pertusaria texana
673 observations
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Rock Wart Lichen
Pertusaria plittiana
665 observations
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Coral Saucer
Ochrolechia yasudae
402 observations
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Tundra Saucer Lichen
Ochrolechia upsaliensis
327 observations
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Tree Saucer Lichen
Ochrolechia arborea
283 observations
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Pustule Crust Lichen
Lepra pustulata
263 observations
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Spotted Wart Lichen
Pertusaria paratuberculifera
223 observations
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Powdery Saucer Lichen
Ochrolechia androgyna
172 observations
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Branch Bumps
Pertusaria pustulata
156 observations
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Lobothallia alphoplaca
150 observations
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Blue-gray Sunken-disk
Circinaria caesiocinerea
147 observations
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Rimmed Wart Lichen
Varicellaria velata
124 observations
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Smooth Sunken Disc Lichen
Aspicilia laevata
106 observations
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Rosy Saucer Lichen
Ochrolechia trochophora
92 observations
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Appalachian Saucer
Ochrolechia pseudopallescens
82 observations
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Macoun's Wart Lichen
Pertusaria macounii
77 observations
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Ragged Wart Lichen
Lepra ophthalmiza
75 observations
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Large Mouth Pore Lichen
Pertusaria ostiolata
63 observations
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Volcano Wart Lichen
Pertusaria xanthodes
58 observations
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Powdered Wart Lichen
Lepra trachythallina
58 observations
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Mesa Wart Lichen
Pertusaria subpertusa
48 observations
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Knobby Moss-wart
Pertusaria globularis
45 observations
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Fumarprotocetraric Fluff-Wart
Lepra multipunctoides
45 observations
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Gulf Wart
Pertusaria sinusmexicani
39 observations
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Agyrium Lichen
Agyrium rufum
36 observations
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Pebble Ball Lichen
Circinaria arida
34 observations
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Rimmed Lichen
Aspicilia verrucigera
32 observations
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False Flasks
Pertusaria propinqua
27 observations
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Simple Dimples
Pertusaria epixantha
26 observations
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Super's Pore Lichen
Pertusaria superiana
26 observations
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Aquatic Aspicilia
Aspicilia aquatica
22 observations
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Lepra commutata
22 observations
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Chalky Sunken Disk Lichen
Aspicilia candida
18 observations
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Szatala's Crabseye Lichen
Ochrolechia szatalaensis
13 observations
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Ochrolechia mexicana
11 observations
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Pore Lichen
Pertusaria neoscotica
11 observations
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Four-Spore, and Seven Xanthones Ago
Pertusaria tetrathalamia
10 observations
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Lepra waghornei
7 observations
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Pertusaria obruta
6 observations
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Hypothamnolic Fluff-Wart
Lepra hypothamnolica
4 observations