Rocky Mountain arctic blue (Plebejus glandon rusticus) on common dandelion (Taraxacum officinale), an abundant introduced plant in Rocky Mountain NP. Marmot Point Trail, Rocky Mountain National Park, CO.
ColoradoFloraRocky Mountain National ParkTaraxacum officinaleUSAUnited StatesUnited States of Americacommon dandelionflowerflowersmothwildflowerwildflowersTrailRidgeRoadArctic bluePlebejus glandonPlebejus glandon rusticusRocky Mountain arctic blue
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