Alismatales

order of plants Alismatales (Alismatales) is an order comprising closely related families of organisms. It contains 13 families with 232 known species. Key family groups include Alismataceae, Aponogetonaceae, Araceae, Butomaceae, Cymodoceaceae, and Hydrocharitaceae. Among its members, 38 species are currently classified as threatened (Critically Endangered, Endangered, or Vulnerable). It belongs to Monocots (Liliopsida).