- Aquilegia coerulea, Colorado blue columbine;Aquilegia alpina;Aquilegia caerulea
- Arcte coerula, Cocytodes caerulea;Hampson, 1894;Cocytodes coerulea;Hampson, 1893;Cocytodes coerula Guenée, 1852
- Houstonia caerulea, Azure bluet;Hedyotis caerulea;Bluets;Quaker ladies;Blue eyed babies;Bright eyes;Nuns;Quaker bonnets;Star violet;Innocence
- Passerina caerulea, Blue Grosbeak;Guiraca caerulea
- Verrucaria caerulea, Aspicilia caerulea;Biatora caerulea;Gyalecta caerulea;Involucrothele plumbea;Lecanora caerulea;Lichen plumbosus;Lithocia plumbea;Thelidium caeruleum;Thelidium plumbeum;Verrucaria fuscella var glaucina;Verrucaria plumbea
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