Group: Spermatophytina (Spermatophytes)
Family: Elatinaceae (Waterwort family)
Genus: Elatine (Waterwort)
Elatine alsinastrum L. - Whorled Waterwort
Elatine hexandra (Lapierre) DC. - Six-Stamened Waterwort
Elatine triandra Schkuhr - American Waterwort
Elatine hydropiper agg.
Elatine hydropiper L. - Eight-Stamened Waterwort