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  1. These two are the most common horsetail species used in landscaping. Horsetail plants grow 4 feet tall and 6 feet wide on average. There are slight variations across the species and there are more than 25 of those. Horsetail Species to Grow in Your Garden. Here are just a few examples to help you figure out what you’d want for your gardening ...

  2. The variegated horsetail’s scientific name is equisetum variegatum. Native to Canada and the northern United States, this species of horsetail can only grow 6 to 18 inches tall. The variegated horsetail is also a hardy plant, and the term variegated horsetail is due to its black and white sheaths.

  3. Variegated Horsetail Equisetum variegatum - dune slack habitat 1. Images of species taken of plants growing in dune slack at Upton Towans, near Hayle, Cornwall. 30.09.12.

  4. Equisetum variegatum, commonly known as variegated horsetail or variegated scouring rush, is a species of vascular plant in the horsetail family Equisetaceae. It is native to the Northern Hemisphere where it has a circumpolar distribution. Description. It is a variable species with several ecotypes, some of which are distinct subspecies.

  5. Field Horsetail, also known as Equisetum arvense, is a unique and ancient plant species that has been used for medicinal purposes for centuries. It belongs to the Equisetaceae family, and it is one of the oldest living plants on earth, with fossils dating back to over 350 million years ago. Appearance and Habitat

  6. In spring the young shoots don't have side branches yet but the sporangia are ripe. At this point the this species can differentiated from the Marsh Horsetail by the teeth of the sheaths: the Shady Horsetail has 10-16 teeth (as many as side branches on each whorl). The Marsh Horsetail has less: 6 to 8 at each branching whorl.

  7. No. Potentially harmful. Genus. Equisetum. Genus description. Equisetum are also known as horsetails or living fossils as they are the only living genus in Equisetaceae, a family of vascular plants which reproduce by spores rather than seeds. Plants have a rush-like appearance. Name status. Correct.