Calflora   Family Index   H
Below is a list of plant families, and a list of genera within each family in California.
Click on family name to search for species in that family, or click on genus name to search for species in that genus.
Haloragaceae Haloragis Myriophyllum
Halymeniaceae Grateloupia
Hamamelidaceae Hamamelis Liquidambar
Hedwigiaceae Hedwigia Pseudobraunia
Heliotropiaceae Heliotropium
Helodiaceae Elodium Helodium
Hookeriaceae Hookeria
Hydrangeaceae Carpenteria
Fendlerella
Jamesia
Philadelphus
Whipplea
Hydrocharitaceae Egeria
Elodea
Hydrilla
Hydrocharis
Limnobium
Najas
Ottelia
Vallisneria
Hydrophyllaceae Draperia
Emmenanthe
Eucrypta
Hesperochiron
Howellanthus
Hydrophyllum
Nemophila
Phacelia
Pholistoma
Romanzoffia
Tricardia
Hygrobiellaceae Hygrobiella
Hylocomiaceae Hylocomiadelphus
Hylocomium
Rhytidiadelphus
Rhytidiopsis
Hypericaceae Hypericum
Hypnaceae Buckiella
Dacryophyllum
Herzogiella
Homomallium
Pseudotaxiphyllum
Stereodon
Straminergon
Vesicularia