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Equisetum (/ ˌ ɛ k w ɪ ˈ s iː t əm /; horsetail) is the only living genus in Equisetaceae, a family of vascular plants that reproduce by spores rather than seeds. [2]Equisetum is a "living fossil", the only living genus of the entire subclass Equisetidae, which for over 100 million years was much more diverse and dominated the understorey of late Paleozoic forests.
Equisetum arvense, the field horsetail or common horsetail, is an herbaceous perennial plant in the Equisetidae (horsetails) sub-class, native throughout the arctic and temperate regions of the Northern Hemisphere. It has separate sterile non-reproductive and fertile spore-bearing stems growing from a perennial underground rhizomatous stem system.
Marestail (also mare's tail and mare's-tail) may refer to: ... a fern ally also known as horsetail and pipeweed; Hippuris, a genus of aquatic flowering plants, ...
Horse tail, horsetail or horse's tail may refer to: the tail of a horse; Equisetidae, a subclass of living and extinct plants known as horsetails Equisetales, the single extant order of Equisetidae Equisetaceae, the horsetail family, the only extant family of Equisetales Equisetum, horsetail, the only living genus in Equisetaceae
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 ...
Equisetaceae, also known as the horsetail family, [1] is a family of ferns and the only surviving family of the order Equisetales, with one surviving genus, Equisetum, comprising about twenty species.
The common mare's tail is a creeping, perennial herb, found in shallow waters and mud flats. It roots underwater, but most of its leaves are above the water surface. The leaves occur in whorls of 6–12; those above water are 0.5 to 2.5 cm long and up to 3 mm wide, whereas those under water are thinner and limper, and longer than those above ...
Common mare's tail, Hippuris vulgaris. Mountain mare's tail, Hippuris montana; Fourleaf mare's tail, Hippuris tetraphylla; They are aquatic plants found in shallow ponds and streams, both slow-moving and fast-flowing. Hippuris, despite being a flowering plant, is sometimes mistakenly identified with the non-flowering plant horsetail.