Difference between revisions of "Huperzia appalachiana"
Amer. Fern J. 82: 42. 1992.
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name=Huperzia appalachiana | name=Huperzia appalachiana | ||
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|publication year=1992 | |publication year=1992 | ||
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|genus=Huperzia | |genus=Huperzia | ||
|species=Huperzia appalachiana | |species=Huperzia appalachiana |
Revision as of 20:48, 16 December 2019
Shoots erect, determinate, 6–10 cm, clustered to rarely shortly decumbent, decumbent portion to 1 cm; leaves in mature distal portion markedly smaller than leaves in juvenile proximal portion; annual constrictions absent; juvenile growth erect. Leaves ascending to spreading (juvenile portion) or ascending to appressed (mature portion), green to yellow green, not lustrous; leaves in juvenile portion narrowly triangular, 4–6 mm, widest at base; leaves in mature portion narrowly triangular, 2–3.5 mm; margins entire or with occasional papillae; stomates present on both surfaces, numerous (35–60 per 1/2 leaf) on adaxial surface. Gemmiferous branchlets produced throughout mature portion; gemmae 3–4 × 2.5–3.5 mm; lateral leaves 0.5–1 mm wide, narrowly acute. Spores 29–35 µm.
Habitat: On damp, acidic, igneous rocks in alpine zone or exposed cliffs and talus slopes elsewhere
Elevation: 800–2300 m, lower (600–1200 m) along coast of Atlantic Ocean and Lake Superior
Distribution
![V2 518-distribution-map.gif](/w/images/d/d8/V2_518-distribution-map.gif)
Greenland, St. Pierre and Miquelon, Nfld., N.S., Ont., Que., Ga., Maine, Mass., Mich., Minn., N.H., N.Y., N.C., S.C., Tenn., Vt., Va., possibly Europe.
Discussion
Selected References
None.