Comments
provided by eFloras
Plants from Greenland formerly identified as Huperzia selago are H . appalachiana .
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
provided by eFloras
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 X 3--4.5 mm, lateral leaves 1.5--2 mm wide, broadly acute. Spores 29--37 µm. 2 n = 268.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
provided by eFloras
St. Pierre and Miquelon; Alta., B.C., Man., N.B., 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.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat
provided by eFloras
Terrestrial in sandy borrow pits, ditches, lakeshore swales, and conifer swamps, rarely on acidic, igneous rock or calcareous coast cliffs; 0--700 m, rarely to 1600m.
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- cc-by-nc-sa-3.0
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Synonym
provided by eFloras
Lycopodium selago Linnaeus, Sp. Pl. 2: 1102. 1753; Plananthus selago (Linnaeus) Palisot de Beauvois; Urostachys selago (Linnaeus) Herter
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- cc-by-nc-sa-3.0
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA