Crossword clues for Ignis fatuus:MIRAGEIgnis fatuusWILLOTHEWISPIgnis fatuusJACKOLANTERNIgnis fatuusPHOSPHORESCENCEIgnis fatuus, e.g.MARSHGASIgnis fatuus sourceIRELANDIgnis fatuus, the fair maid of ___