Connecticut Plants
Rock Spikemoss (Ledge Spikemoss)
Selaginella rupestris (L.) Spring
  • Family: spikemoss (Selaginellaceae)
  • Habitat: dry, thin, acidic soil on rock outcroppings, cliffs, and talus slopes
  • Height: 1 to 2 inches
  • Location of spores: in leafy, square-sided strobili at the top of stems
  • Persistence: evergreen
  • Origin: native

Photographed in the Delaware Water Gap region of Pennsylvania in late August.


This is typical habitat for rock spikemoss: on sparsely vegetated rocks. Photographed in the Delaware Water Gap region of Pennsylvania in late August.


Close-up of the square-sided strobili. In the strobilus in the center, it's just possible to see the yellowish-tan sporangia that contain the spores.