Water-hemp

Water-hemp or waterhemp is a common name for several plants and may refer:

In the genus Amaranthus:
 * Amaranthus australis - southern water-hemp
 * Amaranthus cannabinus - salt-marsh water-hemp, tidal marsh water-hemp or water-hemp pigweed
 * Amaranthus floridanus - Florida water-hemp
 * Amaranthus tuberculatus - rough-fruit water-hemp or tall water-hemp

In other genera:
 * Ayapana triplinervis