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concentric ring lichen
89%
Arctoparmelia centrifuga
tumbleweed shield lichen
89%
Xanthoparmelia chlorochroa
Colorado rockfrog
89%
Xanthoparmelia coloradoensis
peppered rock-shield
89%
Xanthoparmelia conspersa
questionable rock-frog lichen
88%
Xanthoparmelia cumberlandia
xanthoparmelia lineola
85%
Xanthoparmelia lineola
salted rock-shield
85%
Xanthoparmelia mexicana
Plitt's rock shield
84%
Xanthoparmelia plittii
Xanthoparmelia stenophylla
82%
Xanthoparmelia stenophylla
variable rockfrog
81%
Xanthoparmelia wyomingica
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