Flora of the Hawaiian Islands
Pteridophyte Literature for Huperzia erosa
Palmer, 2003.
   Lycopodiaceae Bibliography
      Huperzia erosa
General Information
DistributionHawaiian Islands.In the Hawaiian Islands, endemic to Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Hawai`i.

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HabitatWet forests
Elevation900-1815 m
Terrestrial or epiphytic, occasionally forming large colonies; stems decumbent, repeatedly branched, 9-30 x 0.8-1.6 cm, annual growth constrictions indistinct.
Leaves reflexed to spreading, lanceolate, parallel-sided or narrowed at base, 4-8 x 1-1.5 mm, not imbricate, with slight to no reduction in leaf size between mature and juvenile portions, dark green in shade, light green in sun, yellow on decumbent portion, adaxial surfaces shiny, lustrous, margins smooth at bases, irregularly serrulate to small-toothed along distal 1/3, tips acute.
Gemmae at base of nearly every leaf on large areas of stems, 3.5-4 x 3.5-4 mm.
Latin erosus, irregularly cut away and appearing eroded, alluding to the leaf margins of this species.
Sally Eichhorn