Callitriche

Callitriche palustris var. oryzetorum

Callitriche palustris var. megalata

Callitriche palustris subsp. subanceps

Callitriche lusitanica

Callitriche truncata subsp. fimbriata

Callitriche umbonata

Callitriche alata

Callitriche hermaphroditica subsp. hermaphroditica

Callitriche hermaphroditica subsp. macrocarpa

Callitriche marginata

Winged water-starwort

Callitriche × hybrida

Callitriche petriei subsp. chathamensis

Callitriche pulchra

Callitriche petriei subsp. petriei

Callitriche platycarpa

Various-leaved water-starwort

Callitriche truncata subsp. occidentalis

Callitriche truncata subsp. truncata

Callitriche transvolgensis

Callitriche glareosa

Callitriche heterophylla subsp. heterophylla