The golden chanterelle is a prize; the Jack-O'-Lantern that mimics it is a common cause of serious poisoning. Tell them apart with four checks that must all agree. (1) Underside: a true chanterelle has BLUNT, shallow, FORKING false-gill ridges that run down the stem and can't be cleanly peeled; the Jack-O'-Lantern has TRUE, sharp, knife-like gills that don't fork. (2) Growth habit: chanterelles grow singly or scattered from SOIL (they are mycorrhizal); Jack-O'-Lanterns grow in dense CLUMPS on wood or buried roots. (3) Flesh: a chanterelle is solid and pale apricot-cream inside; the Jack-O'-Lantern is orange throughout and thinner. (4) The glow: fresh Jack-O'-Lantern gills are faintly bioluminescent in full darkness. Also keep the false chanterelle (Hygrophoropsis) in mind — softer, more orange, with thin forked true gills, upsetting to some. When the underside shows real gills, it is not a chanterelle.