| Section 1 » Family Huperziaceae |
Show/Hide Synonym
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| Huperzia appressa | = | Huperzia appalachiana | Flora of North America (1993b, 1997, 2000, 2002a, 2002b, 2003a, 2004b, 2005, 2006a, 2006b, 2006c, 2007a, 2009, 2010) | | | Huperzia appressa | = | Huperzia appalachiana | Kartesz (1999) | | | Huperzia appressa | < | Lycopodium selago | Radford, Ahles, and Bell (1968) | | | Huperzia appressa | < | Lycopodium selago | Small (1933, 1938) | | | Huperzia appressa | < | Lycopodium selago | Wofford (1989) | | | Huperzia appressa | >< | Lycopodium selago var. appressum | Gleason and Cronquist (1991) | | | Huperzia appressa | >< | Lycopodium selago var. appressum | Fernald (1950) | | | Huperzia appressa | >< | Lycopodium selago var. selago | Gleason and Cronquist (1991) | | | Huperzia appressa | >< | Lycopodium selago var. selago | Gleason (1952) | | | Source: Weakley's Flora |
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| Author | (Desvaux) A. Love & D. Love | |
| Distribution | Essentially throughout the Mountains, and possibly into the adjacent Piedmont.
This is a Northern species, ranging from eastern Canada south only to NY and MN, but disjunct to the mountains of VA, NC, TN, and northeastern GA. | |
| Abundance | Infrequent to locally fairly common, though with somewhat restricted habitats. This is a Watch List species. | |
| Habitat | This species is primarily found on high elevation rocky summits, cliffs, and other rocky places, generally where exposed. It also occurs in a few seepages and fens, but still at medium to high elevations. |
| Phenology | Fruits from June to August. | |
| Identification | This firmoss/clubmoss has a short horizontal stem, and consists mostly of strongly ascending to erect branches that are very tightly packed in 8 ranks/rows of small, scale-like evergreen leaves. These branches can reach 5-6 inches tall, and about 1/4-1/2-inch across (with leaves). The species can be separated from similar species by its strongly ascending lanceolate and untoothed leaves; H. porophila has the leaves spreading and sparsely toothed, and it grows on rock outcrops in the lower to middle elevations in the mountains. H. lucidula, a fairly widespread species through the Piedmont, grows on the forest floor, and its leaves are oblanceolate and much larger (often 1/3-1/2-inch long). | |
| Taxonomic Comments | This species has undergone many name changes. Older references named it as Lycopodium selago, but later ones as Huperzia selago and H. appalachiana. Do not confuse the name H. appressa with Lycopodiella appressa, the Southern Bog Clubmoss, an entirely different species of sepage bogs.
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| Other Common Name(s) | Appalachian Fir-clubmoss, Mountain Firmoss | |
| State Rank | S3 | |
| Global Rank | G5 | |
| State Status | W1 | |
| US Status | | |
| USACE-agcp | | |
| USACE-emp | | |
