Classification
within iNaturalist

All Names

  • Scientific names
    • Equisetopsida
  • English
    • horsetails

Extras

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Creative Commons Flickr photos tagged "Equisetopsida." View all photos tagged "Equisetopsida" on Flickr »

Recent Observations

Plantae-15px

Photos

Square

What

Field Horsetail Equisetum arvense

Observer

lward

Date

May 26, 2012
Plantae-15px

Photos

Square

Observer

kimewart

Date

May 24, 2012
Plantae-15px

Photos

Square

What

Field Horsetail Equisetum arvense

Observer

wellska

Date

May 24, 2012 03:27 PM PDT

Description

Growing along the trail edge in full and partial shade

View all observations

Description from Wikipedia

Equisetopsida, or Sphenopsida, is a class of plants with a fossil record going back to the Devonian. Living species are commonly known as horsetails and typically grow in wet areas, with needle-like leaves radiating at regular intervals from a single vertical stem. Equisetopsida is placed in the botanical division of ferns (Pteridophyta), though sometimes regarded as a separate division Equisetophyta (also as Sphenophyta or Arthrophyta).

No range data available.