
Huperzia appressa

Huperzia appressa (common name, Appalachian firmoss) is a non-flowering plant in the Lycopodiaceae. It has been reported from the United States, Canada, China, Russia, and several European countries. It is a terrestrial plant up to 10 cm tall, with dichotomously branched stems.
Naming history:
"Huperzia appressa" (Desv.) Á. Löve & D. Löve, Bot. Not. 114: 34. 1961.= "Lycopodium selago" L. var. "appressum" Desv., Mém. Soc. Linn. Paris 6(2): 180. 1827