''Huperzia appressa'' (common name, Appalachian

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 mil ...

. It has been reported from the

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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 tot ...

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...

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, 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 Continent#Subcontinents, subcontinent of Eurasia ...

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