It's also a herbaceous plant rich in Silicon, selenium, zinc and other elements, used in the traditional as depurative, slimming and remineralizing, famacopea also called lower equisetum: equisetum arvense.
In Santiago, Nuevo León, ponytail is a cascade or waterfall
Known as ponytail to a hairstyle for women in which hair is away from the face, gathered and secured at the back of the head with a hair tie, a hook, clip or other similar device, and is left hanging freely. The name originated because of its similarity with the tail of a horse.