Diphasiastrum tristachyum (Pursh) Holub
Family: Lycopodiaceae
blue ground-cedar, ground-cedar club-moss, northern ground-pine
[Diphasium chamicyparissus (A.Braun) A.Love & D.Love,  more...]
Diphasiastrum tristachyum image
Emmet J. Judziewicz  
Etymology: Diphasiastrum: From the genus Diphasium and astrum for "incomplete resemblance;" so "false Diphasium"
Plants: perennial fern ally
Habitat: coniferous woods
Conservation Status: Native