Most observed native rocktripes, bloodspot lichens, and allies
18 species, native to the US, by observations.
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Smooth Rock Tripe
Umbilicaria mammulata
13,944 observations
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Common Toadskin Lichen
Lasallia papulosa
6,174 observations
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Emery Rocktripe Lichen
Umbilicaria phaea
3,880 observations
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Lesser Rocktripe
Umbilicaria muhlenbergii
2,285 observations
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Common Clam Lichen
Hypocenomyce scalaris
2,146 observations
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Peppered Rock Tripe
Umbilicaria deusta
2,016 observations
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Blistered Rock Tripe
Umbilicaria hyperborea
1,784 observations
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Alpine Bloodspot Lichen
Ophioparma ventosa
1,720 observations
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Pennsylvania Toadskin Lichen
Lasallia pensylvanica
806 observations
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Punctured Rocktripe Lichen
Umbilicaria torrefacta
413 observations
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Netted Rocktripe Lichen
Umbilicaria decussata
169 observations
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Greater Salted Rocktripe Lichen
Umbilicaria proboscidea
161 observations
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Bulging Martian-eyes
Maronea polyphaea
128 observations
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Blushing Rock Tripe
Umbilicaria virginis
124 observations
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Lesser Salted Rocktripe Lichen
Umbilicaria krascheninnikovii
88 observations
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Pacific Bloodspot Lichen
Ophioparma rubricosa
86 observations
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Starry Rock Tripe
Umbilicaria angulata
72 observations
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A Quilt Lichen
Fuscidea recensa
49 observations