Christmas Green
Diphasiastrum complanatum (L.) Holub

Diphasiastrum complanatum, known as Christmas Green, is a species of clubmoss in the Lycopodiaceae family. It is native to colder northern regions, including parts of North America and Europe. This evergreen, perennial pteridophyte grows in dry coniferous forests. Spores are produced from June to September.
Description
Diphasiastrum complanatum, previously classified under the name Lycopodium complanatum, is a clubmoss species found in dry coniferous forests across northern latitudes. It is an evergreen, perennial pteridophyte that reproduces via spores, which are produced between June and September. The plant was historically grouped with several other species under the broader Lycopodium complanatum classification, but is now recognized as a distinct species. It is distributed in regions such as Greenland, Labrador, Newfoundland, and various Canadian provinces, as well as parts of the United States and Europe.
Other common names
Christmas GreenComplanate ClubmossFlat-Branched ClubmossFlattened ClubmossGround-CedarGroundcedarHybrid Alpine ClubmossIssler'S ClubmossNorthern Ground-CedarNorthern Running-PineTrailing ClubmossTrailing Ground-Pineground cedar
Distribution
Greenland · Labrador · Newfoundland · Alberta · British Columbia · Manitoba · New Brunswick · Nova Scotia · Northwest Territories · Nunavut · Ontario · Prince Edward Island · Quebec · Saskatchewan · Yukon · Saint Pierre and Miquelon · Vermont-US · Boyacá, municipio de Iza, mina de Puzolana · NO · GL · Grand Duchy of Luxembourg
Related species
Diphasiastrum madeirense
Diphasiastrum fawcettii
Diphasiastrum haberei
Diphasiastrum carolinum
Diphasiastrum × verecundum
Diphasiastrum angustiramosum
Phlegmariurus wilsonii
Palhinhaea steyermarkii
Phlegmariurus capillaris
Pseudolycopodiella contexta
Phlegmariurus nummulariifolius
Pseudolycopodiella iuliformis