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Huperzia porophila
Also called Rock Club Moss, Rock Firmoss
Huperzia porophila, the rock clubmoss or rock firmoss, grows throughout the Appalachian province of the Eastern United States and central Canada, from Ontario south to Georgia and Alabama. It is rare east of the Appalachians, being most common in a north–south belt along the western plateau area.
Huperzia porophila grows only on or over rock and requires cool, moist, shaded, acid spots. It is a beautiful sight growing over boulders and outcrops. It is often confused with the shining firmoss (Huperzia lucidula) whose range it largely shares and which also typically grows on rocks. The rock firmoss leaves, 3–8 mm long, are generally not shiny like those of the shining firmoss, and the ascending 12–15 cm stems are rarely branched. Unlike H. lucidula, it only grows as individual plants and not as dense colonies.
Appalachian clubmoss · Appalachian Firmoss · Huperzia australiana · Shining clubmoss · Fir Clubmoss · Toothed clubmoss · Clubmoss
Text excerpted from the Wikipedia article Huperzia porophila by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
