''Huperzia appressa'' (common name,

Appalachian Appalachian may refer to: * Appalachian Mountains, a major mountain range in eastern United States and Canada * Appalachian Trail, a hiking trail in the eastern United States * The people of Appalachia and their culture ** Appalachian Americans, e ...

firmoss ''Huperzia'' is a genus of lycophyte plants, sometimes known as the firmosses or fir clubmosses; the ''Flora of North America'' calls them gemma fir-mosses. This genus was originally included in the related genus ''Lycopodium'', from which it dif ...

) is a non-flowering plant in the

Lycopodiaceae The Lycopodiaceae (class Lycopodiopsida, order Lycopodiales) are an old family of vascular plants, including all of the core clubmosses and firmosses, comprising 16 accepted genera and about 400 known species. This family originated about 380 mi ...

. It has been reported from the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., federal district, five ma ...

Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tota ...

, China,

Russia Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-eigh ...

, and several

Europe Europe is a large peninsula conventionally considered a continent in its own right because of its great physical size and the weight of its history and traditions. Europe is also considered a subcontinent of Eurasia and it is located enti ...

an 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. 1827Desvaux, Mémoirs de la Societé Linnée de Paris 6(2): 180. 1827.

References

{{Taxonbar, from=Q16753872 appressa Flora of the United States Flora of Canada Flora of China Flora of Russia Flora of Norway Flora of Europe Plants described in 1827