Horsetails Are Invading Local Gardens And They Are Nearly Impossible To Kill

Modern horsetails first appeared during the Jurassic period. A superficially similar but entirely unrelated flowering plant genus, mare's tail (Hippuris), is occasionally referred to as "horsetail", and adding to. horsetail, (genus Equisetum), fifteen species of rushlike conspicuously jointed perennial herbs, the only living genus of plants in the order Equisetales and the class Equisetopsida. Horsetails grow in moist,. Horsetails, the genus Equisetum, are a very easily recognized group of plants that are commonly found throughout the world. They represent a very small remnant, only a single genus with less that 100. Horsetails are very widespread, although they do not occur naturally in the Amazon basin or in Australia and New Zealand. These plants are characterized by their conspicuously jointed stems and their. Horsetails are known for their diverse chemistry. They contain high levels of silica, magnesium, potassium, multiple flavonoids, alkaloids (including traces of nicotene in some cases), saponins, and.