Most observed native ruffle lichens
30 species, native to the US, by observations.
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Powdered Ruffle Lichen
Parmotrema hypotropum
10,835 observations
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Black Stone Flower
Parmotrema perlatum
6,682 observations
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Black Sheet Lichen
Parmotrema reticulatum
6,482 observations
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Perforated Ruffle Lichen
Parmotrema perforatum
5,412 observations
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Pretty Ruffle
Parmotrema austrosinense
3,867 observations
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Old Gray Ruffles
Parmotrema tinctorum
3,029 observations
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Salted Ruffle Lichen
Parmotrema crinitum
1,838 observations
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Arnold's Parmotrema Lichen
Parmotrema arnoldii
843 observations
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Lacy Powdered-ruffle
Parmotrema hypoleucinum
599 observations
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Unperforated Ruffle
Parmotrema submarginale
573 observations
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Low-country Perforated Ruffle
Parmotrema subrigidum
457 observations
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Variable Cracked-ruffle
Parmotrema subisidiosum
138 observations
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Parmotrema cetratum
85 observations
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Unwhiskered Ruffle Lichen
Parmotrema cristiferum
81 observations
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Parmotrema subtinctorium
77 observations
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Powder-crown Ruffle Lichen
Parmotrema praesorediosum
72 observations
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Parmotrema gardneri
66 observations
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Parmotrema diffractaicum
62 observations
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Green Ruffle
Parmotrema xanthinum
50 observations
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Long-whiskered Ruffle
Parmotrema rampoddense
49 observations
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Spotted Ruffled Lichen
Parmotrema ultralucens
49 observations
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Margarite Parmotrema Lichen
Parmotrema margaritatum
46 observations
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Powder-Edged Ruffle Lichen
Parmotrema stuppeum
39 observations
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Louisiana Parmotrema Lichen
Parmotrema louisianae
30 observations
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Melliss' Parmotrema Lichen
Parmotrema mellissii
30 observations
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Short-whiskered Ruffle
Parmotrema dilatatum
23 observations
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Neotropical Ruffle
Parmotrema neotropicum
10 observations
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Sulfur Parmotrema Lichen
Parmotrema sulphuratum
4 observations
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Parmotrema Lichen
Parmotrema eurysacum
2 observations
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Little Salted-ruffle
Parmotrema internexum
2 observations