- Family: horsetail (Equisetaceae)
- Habitat: marshes, swamps, ditches, and streambanks
- Height: 10 to 30 inches
- Location of spores: in cones at the top of the green stems
- Persistence: deciduous
- Origin: native
Photographed in Newfoundland, Canada in mid-July.
Closeup of the cone of the plant in the first photo.