Huperzia selago

(Linnaeus) Bernhardi ex Schrank & Martius
Hort. Reg. Monac. 3. 1829.
Common names: Northern fir-moss huperzie sélagine
Illustrated
Basionym: Lycopodium selago Linnaeus Sp. Pl. 2: 1102. 1753
Synonyms: Plananthus selago (Linnaeus) Palisot de Beauvois Urostachys selago (Linnaeus) Herter
Treatment appears in FNA Volume 2.

Shoots erect, indeterminate, 8–12 cm, becoming short-decumbent; leaves of mature portion slightly smaller than leaves of juvenile portion (more pronounced in sun form); indistinct annual constrictions present (more pronounced in shade form); juvenile growth erect. Leaves spreading-ascending (shade) to appressed-ascending (sun) in mature portion, more reflexed in juvenile portion, green (shade) to yellow-green (sun), lustrous; largest leaves triangular, widest at base, 4–7.5 mm; smallest leaves lanceolate, 3.5–5 mm; margins almost entire, papillate; stomates on both surfaces, numerous on adaxial surface, 30–90 per 1/2 leaf. Gemmiferous branchlets produced in 1 pseudowhorl at end of annual growth; gemmae 4–5 × 3–4.5 mm, lateral leaves 1.5–2 mm wide, broadly acute. Spores 29–37 µm. 2n = 268.


Habitat: Terrestrial in sandy borrow pits, ditches, lakeshore swales, and conifer swamps, rarely on acidic, igneous rock or calcareous coast cliffs
Elevation: 0–700 m, rarely to 1600 m

Distribution

V2 3-distribution-map.gif

St. Pierre and Miquelon, Alta., B.C., Man., N.B., Nfld. and Labr. (Nfld.), N.W.T., N.S., Ont., P.E.I., Que., Sask., Yukon, Conn., Maine, Mass., Mich., Minn., N.H., N.Y., Ohio, R.I., Vt., Wis., Europe, Asia.

Discussion

Plants from Greenland formerly identified as Huperzia selago are H. appalachiana.

Selected References

None.

Lower Taxa

None.

... more about "Huperzia selago"
Warren H. Wagner Jr. +  and Joseph M. Beitel +
(Linnaeus) Bernhardi ex Schrank & Martius +
Lycopodium selago +
Northern fir-moss +  and huperzie sélagine +
St. Pierre and Miquelon +, Alta. +, B.C. +, Man. +, N.B. +, Nfld. and Labr. (Nfld.) +, N.W.T. +, N.S. +, Ont. +, P.E.I. +, Que. +, Sask. +, Yukon +, Conn. +, Maine +, Mass. +, Mich. +, Minn. +, N.H. +, N.Y. +, Ohio +, R.I. +, Vt. +, Wis. +, Europe +  and Asia. +
0–700 m, rarely to 1600 m +
Terrestrial in sandy borrow pits, ditches, lakeshore swales, and conifer swamps, rarely on acidic, igneous rock or calcareous coast cliffs +
Hort. Reg. Monac. +
Illustrated +
Plananthus selago +  and Urostachys selago +
Huperzia selago +
Huperzia +
species +