Families list

 
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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)