Huperzia selago var. selago (L.) Bernh. ex. Mart. & Schrank
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TAXONOMY
 
Family: Lycopodiaceae
Genus: Huperzia
 
Species Synonyms: Lycopodium selago L.
Urostachys selago (L.) Herter ex Nessel
Common Names: fir clubmoss
mountain clubmoss
northern clubmoss
 
DISTRIBUTION
 
Canada: Yukon – Ungava – Labrador, south to British Columbia – Nova Scotia – Newfoundland
Saskatchewan: northern Saskatchewan; Lake Athabasca – Hasbala Lake – Windrum Lake
Ecoregion: Athabasca Plain, Churchill River Upland, Selwyn Lake Upland, Tazin Lake Upland
 
HABITAT
 
Saskatchewan: moist organic shores and woods
Canada: cold woods, mossy rocks, and barrens
 
RARITY STATUS
 
Provincial Status According
to Harms (2003):
Vulnerable
Nature Conservancy Status:
G5TU S1 T1
Saskatchewan Species at
Risk Status:
None
COSEWIC Status:
None
 
Fir clubmoss is vulnerable because of rarity in Saskatchewan. It is only somewhat regionally restricted and is usually locally numerous within limited areas. No immediate threats are known but are quite possible in the future.
 
SPECIES DESCRIPTION
 
Height: 8 – 12 cm
Roots: arising from short creeping stem (2 – 5 cm long)
Stems: tufted, simple below, repeatedly forked upwards
Leaves: leaves of mature portion slightly smaller and spreading to appressed-ascending; leaves of juvenile portion larger and more reflexed; to 8 mm long, largest leaves lance-shaped, widest at base, tip tapered to a long sharp point, green to yellowish-green, shiny, margins entire
Sporangia: borne in the axils of stem leaves, cones absent
Spores: sulphur-yellow
 
HUPERZIA KEY FOR SPECIES FOUND IN SASKATCHEWAN
 
1 Leaves appressed, to 5 mm long, oval to lance-shaped, tip acute
H. selago var. densa
1 Leaves ascending, to 8 mm long, lance-shaped, tip tapered to a long, sharp point
H. selago var. selago