Connecticut Plants
Dwarf Scouring Rush
Equisetum scirpoides Michx.

Dwarf scouring rush is endangered in Connecticut. The plants shown on this page grow further north, where the species is more common.

  • Synonyms: Hippochaete scirpoides (Michx.) Farw.
  • Family: horsetail (Equisetaceae)
  • Habitat: moist coniferous forest, hummocks in swamps and bogs, and mossy banks
  • Height: 1 to 6 inches
  • Location of spores: in cones at the top of green stems
  • Persistence: evergreen
  • Origin: native

This is the typical habit of dwarf scouring rush: a dense patch of twisted stems. Photographed in Wisconsin in mid-June.

Photographed in Presque Isle County, Michigan in early May.

This closeup shows some of the distinguishing characteristics of dwarf scouring rush. The stems have only a few grooves. The sheaths have three or four teeth and are black and the base and pale at the edges.