Lycopodium clavatum (stag's-horn clubmoss, running clubmoss)
Ajuga, a genus of herbaceous flowering plants in the mint family Lamiaceae, with most species native to Europe, Asia, and Africa; also, specifically
Diphasiastrum complanatum (syn. Lycopodium complanatum) (northern running-pine), a species of clubmoss native to dry coniferous forests throughout the holarctic region.
Lycopodium obscurum (princess pine), native to eastern North America
Ajuga chamaepitys (yellow bugle), native to Europe, the eastern part of the Mediterranean, and North Africa
Any of a group of similar brass instruments, resembling a bugle in shape, but with valves