Callitriche

Water starworts
Scientific classification
Kingdom: Plantae Division: Magnoliophyta Class: Magnoliopsida Order: Callitrichales Family: Callitrichaceae Genus: Callitriche
Species
C. fassetti    C. hermaphroditica        Synonym C. autumnalis    C. heterophylla        Synonym C. anceps, C. bollanderi    C. intermedia    C. longipedunculata    C. marginata        Synonym C. sepulta    C. palustris        Synonym C. verna    C. pedunculosa        Synonym C. nuttallii    C. peploides    C. stagnalis    C. terrestris        Synonym C. austinii, C. deflexa    C. trochlearis

This is the only genus in the family Callitrichaceae.

Reference http://itis.usda.gov http://www.usa.sp2000.org/AnnualChecklist2000.html
TSN (family): 32049
TSN (genus): 32051