Fr: lycopode à trois épis
Provincial Status: N
Range: sBoreal amphi-Atlantic; N to sw/w/ne/eNfld.
[=Lycopodium tristachyum Pursh (basionym)]
[=Diphasiastrum complanatum (L.) Holub subsp. chamicyparissus (A.Braun ex Mutel) Kukkonen]
[=Diphasium chamicyparissus (A.Braun ex Mutel) Á.Löve & D.Löve]
[=Diphasium complanatum (L.) Rothm. subsp. chamicyparissus (A.Braun ex Mutel) Kukkonen]
[=Diphasium tristachyum (Pursh) Rothm.]
[=Lycopodium chamicyparissus A.Braun ex Mutel]
[=Lycopodium chamicyparissus A.Braun ex Mutel forma biceps Milde]
[=Lycopodium chamicyparissus A.Braun ex Mutel forma frondescens Luerss.]
[=Lycopodium chamicyparissus A.Braun ex Mutel forma triceps Milde]
[=Lycopodium clavatum L. var. tristachyum (Pursh) Hook.]
[=Lycopodium complanatum L. (proles) chamicyparissus (A.Braun ex Mutel) Rouy]
[=Lycopodium complanatum L. subsp. chamicyparissus (A.Braun ex Mutel) Milde]
[=Lycopodium complanatum L. subsp. tristachyum (Pursh) Dostál]
[=Lycopodium complanatum L. var. chamicyparissus (A.Braun ex Mutel) Döll]
[=Lycopodium complanatum L. var. chamicyparissus (A.Braun ex Mutel) D.C.Eaton 1890, nom. illeg. isonym., non (A.Braun ex Mutel) Döll 1865]
[=Lycopodium complanatum L. var. chamicyparissus (A.Braun ex Mutel) Rosenv. 1891, nom. illeg. isonym., non (A.Braun ex Mutel) Döll 1865]
[=Lycopodium complanatum L. var. patentifolium Spring]
[=Lycopodium complanatum L. var. tristachyum (Pursh) Clute]
[Diphasiastrum tristachyum reports from Voisey's Bay field work probably refer to D. alpinum, similarly, specimens originally identified as D. tristachyum from Adlatok Bay proved to be D. alpinum. Labrador reports of D. tristachyum require confirmation.]