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The Order Alismatales is a member of the Class Magnoliopsida. Here is the complete "parentage" of Alismatales:

The Order Alismatales is further organized into finer groupings including:


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The water-plantains (Alismataceae) are a family of flowering plants, comprising 11 genera and between 85-95 species. The family has a cosmopolitan distribution, with the greatest number of species in temperate regions of the Northern Hemisphere. Most of the species are herbaceous aquatic plants growing in marshes and ponds. [more]


The Aponogetonaceae (Cape-pondweed family or Aponogeton family) are a family of flowering plants in the order Alismatales. [more]


Araceae are a family of monocotyledonous flowering plants in which flowers are borne on a type of inflorescence called a spadix. The spadix is usually accompanied by, and sometimes partially enclosed in, a spathe or leaf-like bract. Also known as the Arum family, members are often colloquially known as aroid. This family of 107 genera and over 3700 species is most diverse in the New World tropics, although also distributed in the Old World tropics and north temperate regions. [more]


Butomus is the sole genus in the monogeneric plant family Butomaceae, containing the single species Butomus umbellatus, also known as flowering rush or grass rush. [more]


Cymodoceaceae is the botanical name of a family of flowering plants, sometimes known as the "manatee-grass family". Many taxonomists have not recognized this family. [more]




Juncaginaceae is the botanical name of a family of flowering plants, recognized by most taxonomists for the past few decades. It is also known as the Arrowgrass family. [more]


Limnocharitaceae is the botanical name of a family of flowering plants in the monocot order Alismatales. It is commonly known as the water poppy family. They are small, perennial, aquatic herbs, native to the tropics, but adventive or naturalized in the subtropics as a result of cultivation. [more]


Posidonia is a genus of flowering plants. It contains two to nine species of marine plants ("seagrass"), found in the seas of the Mediterranean and around the south coast of Australia. [more]


The Potamogetonaceae, commonly referred to as the pondweed family, is an aquatic family of monocotyledonous flowering plants. There are roughly 120 species spread across six genera in the Potamagetonaceae. The largest genus in the family by far is Potamogeton, which contains about 100 species. [more]


Ruppia, also known as the ditch grasses, is the only genus in the family Ruppiaceae. Such a family has been recognized by relatively few taxonomists. The genus name was given in honour of Heinrich Bernhard Rupp, a German botanist (1688-1719). [more]


Scheuchzeria palustris (Rannoch-rush, pod grass, or Scheuchzeria), is a flowering plant, the only species in the genus Scheuchzeria, itself the only genus in the family Scheuchzeriaceae. In the APG II system this is placed in the order Alismatales of the monocots. [more]




Zosteraceae (the seagrass family) is a family of marine perennial flowering plants found in temperate and subtropical coastal waters, with the highest diversity located around Korea and Japan. Most seagrasses complete their entire life cycle under water, having filamentous pollen especially adapted to dispersion in an aquatic environment and ribbon-like leaves that lack stomata. Seagrasses are herbaceous and have prominent creeping rhizomes. A distinctive characteristic of the family is the presence of characteristic retinacules, which are present in all species except members of Zostera subgenus Zostera. [more]

At least 76 species and subspecies belong to the Family Zosteraceae.

More info about the Family Zosteraceae may be found here.


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Last Revised: August 25, 2014
2014/08/25 15:40:35