flat-branch tree club-moss
- kingdom: Plantae
- phylum: Tracheophyta
- class: Lycopodiopsida
- order: Lycopodiales
- family: Lycopodiaceae
- genus: Lycopodium
- species: Lycopodium obscurum
Devon
Alberta- Prince George
British Columbia- Florenceville-Bristol
- Saint-Léonard
New Brunswick- Aylmer
- Deep River
Ontario- Amos
- Baie-Saint-Paul
- Barraute
- Bois-des-Filion
- Bromont
- Carignan
- Chambly
- Contrecoeur
- Drummondville
- Farnham
- Fossambault-sur-lac
- Granby
- Joliette
- La Pocatière
- Laval
- Longueuil
- Lévis
- Neuville
- Nicolet
- Pincourt
- Prévost
- Québec
- Rawdon
- Richmond
- Rigaud
- Rougemont
- Saint-Augustin-de-Desmaures
- Saint-Félix-de-Valois
- Saint-Joseph-de-Beauce
- Saint-Lambert-de-Lauzon
- Sainte Catherine de la Jacques Cartier
- Sainte-Anne-de-Bellevue
- Shannon
- Sherbrooke
- Terrebonne
- Thetford-Mines
- Val-David
- Ville-Marie
- Windsor
Quebec
Canada
Yatsuo
Toyama
Japan
Middletown
Connecticut- Van Buren
Maine- Beltsville
- Berwyn Heights
- Cloverly
- College Park
- East Riverdale
- Ferndale
- Forest Glen
- Forest Heights
- Glassmanor
- Glen Burnie
- Goddard
- Green Haven
- Kensington
- La Plata
- Lanham
- Maryland City
- New Carrollton
- North Kensington
- Oxon Hill
- Riverdale Park
- Rockville
- Seabrook
- Solomons
- South Kensington
- Spencerville
- Wheaton
Maryland- Paxton
Massachusetts- Pound Ridge
New York- Blowing Rock
- Boone
- Brevard
- Jefferson
- Newland
North Carolina- Hometown
Pennsylvania- Dayton
Tennessee- Washington, D. C.
Washington, D.C.
United States
Hehua