Equisetum laevigatum

Equisetum laevigatum is a species of horsetail in the family Equisetaceae.[2][3] It is known by the common names smooth horsetail[4] and smooth scouring rush. This plant is native to much of North America except for northern Canada and southern Mexico. It is usually found in moist areas in sandy and gravelly substrates. It may be annual or perennial. It grows narrow green stems sometimes reaching heights exceeding 1.5 meters. The leaves at the nodes are small, scale-like brownish sheaths and there are occasionally small, spindly branches. The stems are topped with rounded cone-shaped sporangia.

Equisetum laevigatum

Secure  (NatureServe)[1]
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Class: Polypodiopsida
Subclass: Equisetidae
Order: Equisetales
Family: Equisetaceae
Genus: Equisetum
Subgenus: E. subg. Hippochaete
Species:
E. laevigatum
Binomial name
Equisetum laevigatum
Synonyms[2]

References

  1. "Equisetum laevigatum". NatureServe Explorer. NatureServe: ELEMENT_GLOBAL.2.140820. 2016. Retrieved September 25, 2020.
  2. "Equisetum laevigatum A.Braun & Engelm". Plants of the World Online. The Trustees of the Royal Botanic Gardens, Kew. n.d. Retrieved September 25, 2020.
  3. "Equisetum laevigatum A. Braun". World Flora Online. The World Flora Online Consortium. n.d. Retrieved September 25, 2020.
  4. "Equisetum laevigatum". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 10 October 2016.


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