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  • water horsetail, 1 of 6
    Photo 1 of 6

    (c) Tatiana Strus, some rights reserved (CC BY)

  • water horsetail, 2 of 6
    Photo 2 of 6

    (c) Jeannie Mounger, all rights reserved

  • water horsetail, 3 of 6
    Photo 3 of 6

    (c) Thomas Gyselinck, some rights reserved (CC BY)

  • water horsetail, 4 of 6
    Photo 4 of 6

    (c) Vladimir Tkalčić, some rights reserved (CC BY-NC)

  • water horsetail, 5 of 6
    Photo 5 of 6

    (c) Tatyana Zarubo, some rights reserved (CC BY-NC)

  • water horsetail, 6 of 6
    Photo 6 of 6

    (c) Ольга Курякова, some rights reserved (CC BY-NC)

1 of 6 photos

water horsetail

Equisetum fluviatile

Worldwide
18,521 observations
Group
Plants
iNaturalist Wikipedia

About

Equisetum fluviatile, the water horsetail or swamp horsetail, is a vascular plant that commonly grows in dense colonies along freshwater shorelines or in shallow water in ponds, swamps, ditches, and other sluggish or still waters with mud bottoms. It is a perennial herbaceous species, growing 30–100 cm (rarely 140 cm) tall with erect dark green stems 2–8 mm in diameter, smooth, with about 10–30 fine ridges. At each joint, the stem has a whorl of tiny,...

Summary from Wikipedia, CC BY-SA 4.0.

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