Callitriche

Callitriche used to be the only genus in the family Callitrichaceae. However, according to the APG II system this family is now included in the family Plantaginaceae. The family name Callitrichaceae retains its status as nomen conservandum (name to be retained).


Species
Callitriche stagnalis is a species of aquatic plant known by the common name pond water starwort. It is native to Europe but it is present on other continents as an introduced species and sometimes a noxious weed of waterways. This is an annual herb rooting to the substrate in shallow water or in mud alongside water bodies. Slender stems reach to the surface and form floating mats of leaves, which are often round to spoon-shaped but are variable in morphology. The plants are monoecious, with male and female flowers on an individual. Both types of flower are very tiny and whitish in color.

Callitriche fassetti

Callitriche heterophylla

Callitriche hermaphroditica

Callitriche intermedia

Callitriche palustris

Callitriche pedunculosa

Callitriche trochlearis

Callitriche longipedunculata

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