HUPERZIACEAE

Huperzia appressa (Desvaux) Á. Löve & D. Löve. Appalachian Firmoss. Phen: Jun-Aug. Hab: Rock outcrops at high elevations (very rarely at middle elevations), rarely also in seepage or along banks of small streams at high elevations, and in fens (on hummocks). Dist: QC and NL (Newfoundland) west to ON, MI, and MN and south along the Appalachians to w. NC, e. TN, and ne. GA. Previous reports of this Huperzia appressa from Greenland, Europe, and e. Asia are based on misidentifications of Huperzia continentalis, Huperzia selago, and other species (Testo, Haines, & Gilman 2016). Previous reports of Huperzia selago from the Central and Southern Appalachians re based on this species.

ID notes: This is the smallest of our Huperzia species, usually occurring on rock in exposed situations at moderate to high elevations (>3000 feet).

Origin/Endemic status: Native

Syn: = K3, K4, NE, NY, Tn, Va, Haines (2003a), Testo, Haines, & Gilman (2016); = Huperzia appalachiana Beitel & Mickel – FNA2, K1; < Huperzia selago (L.) Bernh. ex Mart. & Schrank – Björk (2020); < Lycopodium selago L. – RAB, S13, Sf, W; >< Lycopodium selago L. var. appressum Desv. – C, F; >< Lycopodium selago L. var. selago – C, G

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