Linked from
The 4 pages that link to Carvone, each with the reason it gives.
MentholCompared with: Spearmint’s characteristic odor often comes from carvone rather than menthol.
DillRelated: Carvone contributes to dill’s characteristic aroma and flavor.
CarawayRelated: Carvone is the principal contributor to caraway’s characteristic scent.
MenthaRelated: Spearmint's characteristic scent is strongly associated with carvone.