Huperziaceae - firmoss family
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Maine is home to 3 species in 1 genus (hybrids excluded). If you know which species you have or are interested in learning about, click on the appropriate link from the species list below. Otherwise, to determine which species your firmoss is, refer to the table below the species list.

   Huperzia (3 species)
      Huperzia appressa - mountain firmoss
      Huperzia lucidula - shining firmoss
      Huperzia selago - northern firmoss

Huperzia (firmoss)
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red font = character state unique or nearly so	trophophyll morphology	gemmiphore location	width of lateral leaves of gemmae (mm)	apex morphology of lateral leaves of gemmae	shoots	trophophyll margin	winter bud constrictions
H. appressa	dimorphic	throughout apical portion of plant	0.5–1.1(–1.3)	nrrow-acute to acute	determinate	entire	absent
H. lucidula	nearly monomorphic	in a single whorl at apex of season’s growth	1.5–2.5	broad-ovate to rounded	indeterminate	with 1–8 teeth on each side	present and conspicuous
H. selago	nearly monomorphic	in a single whorl at apex of season’s growth	1.5–2.5	broad-acute to nearly obtuse	indeterminate	entire or with obscure, papillate-like teeth	present but inconspicuous

Huperzia appressa (mountain firmoss) - [information to be added]
   
   (click on image to enlarge)

Huperzia lucidula (shining firmoss) - [information to be added]

Huperzia selago (northern firmoss) - [information to be added]

Note:
   1. Taxonomy and nomenclature follow Flora Novae Angliae by Arthur Haines (2011, Yale University Press, ISBN 978-0-300-17154-9).