Families list
H
HALORAGACEAE -
WATERMILFOIL FAMILY - Genera:2; Species:4
(Laurembergia coccinea, Myriophyllum oliganthum, Myriophyllum tetrandrum, Myriophyllum tuberculatum)
HERNANDIACEAEA -
HERNANDIA FAMILY - Genera:1; Species:1
(Gyrocarpus americanus)
HIPPOCRATEACEAE -
Genera:3; Species:6
(Loeseneriella obtusifolia, Reissantia grahamii, Reissantia indica, Salacia chinensis, Salacia oblonga, Salacia reticulata)
HYDROCHARITACEAE -
FROG'S-BIT FAMILY - Genera:5; Species:8
(Blyxa aubertii, Blyxa echinosperma, Blyxa octandra, Hydrilla verticillata, Nechamandra alternifolia, Ottelia alismoides, Vallisneria natans, Vallisneria spiralis)
HYDROPHYLLACEAE -
WATERLEAF FAMILY - Genera:1; Species:1
(Hydrolea zeylanica)
HYMENOPHYLLACEAE -
Genera:1; Species:1
(Hymenophyllum exsertum)
HYPODEMATIACEAE -
Genera:1; Species:1
(Leucostegia truncata)