- any of several species of club moss, especially Lycopodium obscurum or L. complanatum.
- a European herb, Ajuga chamaepitys, of the mint family, having a resinous odor.
- a hairy plant, Ajuga chamaepitys, of Europe and N Africa, having two-lipped yellow flowers marked with red spots: family Lamiaceae (labiates). It smells of pine when crushed
- any of certain North American club mosses, esp Lycopodium obscurum
