- Synonyms: Lycopodium inundatum
- Family: clubmoss (Lycopodiaceae)
- Habitat: shaded bogs, marshes, sandy ditches
- Height: 1 to 3.5 inches
- Location of spores: in strobili at the top of vertical stems
- Persistence: deciduous
- Origin: native
Photographed in Luzerne County, Pennsylvania in late July.
Close-up of two vertical stems. The strobili (spore-bearing structures) are the bushy parts at the top of the stems.