Plants of a wide variety are all over the Arboretum

As of May 1997, the U.C. Arboretum contained 151 different plant families. This is the most recent list available: it from a class, and unfortunately doesn't indicate which plants are in each of the plant collections.

Seedless Vascular Plants

Blechnaceae
Dryopteridaceae
Osmundaceae
Davalliaceae
Equisetaceae
Polypodiaceae

Seed-Bearing Vascular Plants

Gymnosperms

Araucariaceae
Ephedraceae
Taxaceae
Cephalotaxaceae
Ginkgoaceae
Taxodiaceae
Cupressaceae
Pinaceae

Angiosperms

Monocota

Araceae
Cyperaceae
Poaceae
Arecaceae
Iridaceae
Typhaceae
Bromeliaceae
Juncaceae
Zingiberaceae
Cannaceae
Liliaceae
Commelinaceae
Orchidaceae

Dicots

Acanthaceae
Euphorbiaceae
Pittosporaceae
Aceraceae
Fabaceae
Plantaginaceae
Adoxaceae
Fagaceae
Platanaceae
Aizoaceae
Flacourtiaceae
Plumbaginaceae
Amaranthaceae
Garryaceae
Polemoniaceae
Anacardiaceae
Geraniaceae
Polygonaceae
Annonaceae
Gesneriaceae
Portulacaceae
Apiaceae
Goodeniaceae
Primulaceae
Apocynaceae
Grossulariaceae
Proteaceae
Aquifoliaceae
Gunneraceae
Punicaceae
Araliaceae
Hamamelidaceae
Ranunculaceae
Aristolochiaceae
Hippocastanaceae
Rhamnaceae
Asclepiadaceae
Hydrangeaceae
Rosaceae
Asteraceae
Hydrophyllaceae
Rubiacea
Begoniaceae
Hypericaceae
Rutaceae
Berberidaceae
Juglandaceae
Salicaceae
Betulaceae
Lamiaceae
Sapindaceae
Bignoniaceae
Lardizabalaceae
Saururaceae
Boraginaceae
Lauraceae
Saxifragaceae
Brassicaceae
Linaceae
Scrophulariaceae
Buxaceae
Loganiaceae
Simaroubaceae
Cactaceae
Lythraceae
Simmondsiaceae
Calycanthaceae
Magnoliaceae
Solanacea
Campanulaceae
Malpighiacea
Stachyuraceae
Capparaceae
Malvaceae
Staphyleacea
Caprifoliaceae
Meliaceae
Sterculiaceae
Caryophyllaceae
Melianthaceae
Styracaceae
Casuarinaceae
Menispermaceae
Tamaricaceae
Celastraceae
Moraceae
Theaceae
Chenopodiaceae
Myoporaceae
Thymelaeaceae
Cistaceae
Myricaceae
Tiliaceae
Cneoraceae
Myrsinaceae
Ulmaceae
Convolvulaceae
Nyssaceae
Urticaceae
Cornaceae
Myrtaceae
Valerianaceae
Crassulaceae
Ochnaceae
Verbenaceae
Cucurbitaceae
Oleaceae
Violaceae
Dipsacaceae
Onagraceae
Viscaceae
Datiscaceae
Oxalidaceae
Vitaceae
Elaeagnaceae
Papaveraceae
Winteraceae
Elaeocarpaceae
Passifloraceae
Zygophyllaceae
Ericaceae
Philadelphaceae
Eucommiaceae
Piperaceae