Species
Hippuris vulgaris (Common mare’s tail)
Hippuris vulgaris. Photo: (c) Eric Hough, some rights reserved (CC BY-NC)
Hippuris vulgaris (from Greek: ἵππος — horse and οὐρά — tail), known as mare’s-tail or common mare’s-tail, is a common aquatic plant of Eurasia and North America ranging from Greenland to the Tibetan Plateau to Arizona. It prefers non-acidic waters.