The major tree genera are listed below by taxonomic family.
Flowering plants For classification of flowering plants, see APG II system.
Eudicots
About 210 eudicot families include trees.Heywood, V.H., Brummitt, R.K., Culham, A. & Seberg, O. 2007: Flowering Plant Families of the World. Royal Botanic Gardens, Kew. Altingiaceae (sweetgum family) Liquidambar, sweetgum Anacardiaceae (Cashew family) Anacardium, Cashew etc. Mangifera, Mango Pistacia, Pistachio etc. Rhus, Sumac Toxicodendron, Lacquer tree etc. Apocynaceae (Dogbane family) Pachypodium Aquifoliaceae (Holly family) Ilex, Holly Araliaceae (Ivy family) Harmsiopanax Kalopanax septemlobus, Kalopanax Schefflera, Schefflera Betulaceae (Birch family) Alnus, Alder Betula, Birch Carpinus, Hornbeam Corylus, Hazel Bignoniaceae (Trumpet Creeper family) Catalpa, Catalpa Jacaranda Tabebuia Cactaceae (Cactus family) Carnegiea gigantea, Saguaro Cannabaceae (Cannabis family) Celtis, Hackberry Celastraceae (Bittersweet family) Apodostigma Arnicratea Bequaertia Brexiella Cassine Catha, Khat Cheiloclinium Crossopetalum, Maiden berries Denhamia Elachyptera Elaeodendron, Olivewoods Euonymus, Spindle trees Glyptopetalum Gyminda Gymnosporia Hartogiopsis Haydenoxylon Cornaceae (Dogwood family) Cornus, Dogwood Family Dipterocarpaceae Dipterocarpus, Garjan Shorea, Sal etc.
Ebenaceae (Persimmon family) Diospyros, Persimmon Ericaceae (Heath family) Arbutus, Arbutus Eucommiaceae (Eucommia family) Eucommia ulmoides, Eucommia Fabaceae (Pea family) Acacia, Acacia Bauhinia Orchid tree etc. Caesalpinia, Brazilwood etc. Gleditsia, Honey locust etc. Laburnum, Laburnum Robinia, Black locust etc. Fagaceae (Beech family) Castanea, Chestnut Fagus, Beech Lithocarpus, Tanoak etc. Quercus, Oak
Fouquieriaceae (Boojum family) Fouquieria, Boojum etc. Hamamelidaceae (Witch-hazel family) Parrotia persica, Persian Ironwood Juglandaceae (Walnut family) Carya, Hickory Juglans, Walnut Pterocarya, Wingnut Lecythidaceae (Paradise nut family) Bertholletia excelsa, Brazil Nut Lythraceae (Loosestrife family) Lagerstroemia, Crape-myrtle Malvaceae (Mallow family; including Tiliaceae, Sterculiaceae and Bombacaceae) Adansonia, Baobab Bombax, Silk-cotton tree Brachychiton, Bottletrees Ceiba, Kapok etc. Durio, Durian Ochroma pyramidale, Balsa Theobroma, Cacao etc. Tilia, Linden (Basswood, Lime) Meliaceae (Mahogany family) Azadirachta, Neem etc. Melia, Bead tree etc. Swietenia, Mahogany Moraceae (Mulberry family) Ficus, Fig Morus, Mulberry Myrtaceae (Myrtle family) Eucalyptus, Eucalypt Eugenia, Stopper etc. Myrtus, Myrtle Psidium, Guava Nothofagaceaed (Southern Beech family) Nothofagus, Southern beech Nyssaceae (Tupelo family; sometimes included in Cornaceae) Davidia involucrata, Dove tree Nyssa, Tupelo Oleaceae (Olive family) Fraxinus, Ash Olea, Olive etc. Paulowniaceae (Paulownia family) Paulownia, Foxglove Tree Platanaceae (Plane family) Platanus, Plane Rhizophoraceae (Mangrove family) Rhizophora, Red mangrove etc. Rosaceae (Rose family)
Crataegus, Hawthorn Malus, Apple Prunus, Almond, Peach, Apricot, Plums, Cherries etc. Pyrus, Pear Sorbus, Rowans, Whitebeams etc. Rubiaceae (Bedstraw family) Coffea, Coffee Rutaceae (Rue family) Citrus, Citrus Phellodendron, Cork-tree Tetradium, Euodia Salicaceae (Willow family) Populus, Poplars and Aspens Salix, Willow
Sapindaceae (including Aceraceae, Hippocastanaceae) (Soapberry family) Acer, Maple Aesculus, Buckeye, Horse-chestnut Koelreuteria, Golden rain tree Litchi chinensis, Lychee Ungnadia speciosa, Mexican Buckeye Sapotaceae (Sapodilla family) Argania spinosa, Argan Palaquium, Gutta-percha Sideroxylon, Tambalacoque ("dodo tree") etc.
Family Simaroubaceae Ailanthus, Tree of heaven Theaceae (Camellia family) Gordonia, Gordonia Stewartia, Stewartia Thymelaeaceae (Thymelaea family) Gonystylus, Ramin Ulmaceae (Elm family) Ulmus, Elm Zelkova, Zelkova Viburnaceae (Viburnum family) Sambucus, Elderberry Viburnum, Viburnum
Monocotyledons
About 10 Monocotyledon families include trees. Asparagaceae (Asparagus family) Cordyline, Cabbage tree etc. Dracaena, Dragon tree Yucca, Joshua tree etc. Arecaceae (Palmae) (Palm family) Areca, Areca Cocos nucifera, Coconut Phoenix, Date Palm etc. Trachycarpus, Chusan Palm etc. Poaceae (grass family) Bamboos, Poaceae subfamily Bambusoideae, around 92 genera Note that banana 'trees' are not actually trees; they are not woody nor is the stalk perennial.
Magnoliids
17 magnoliid families include trees. Annonaceae (Custard apple family) Annona, Cherimoya, Custard apple, Soursop etc. Asimina, American Pawpaw Lauraceae (Laurel family) Cinnamomum, Cinnamon etc. Laurus, Bay Laurel etc. Persea, Avocado etc. Sassafras, Sassafras Magnoliaceae (Magnolia family) Liriodendron, tulip tree Magnolia, Magnolia Myristicaceae (Nutmeg family) Myristica, Nutmeg
Conifers
7 families, all of which include trees. Araucariaceae (Araucaria family) Agathis, Kauri Araucaria, Araucaria Wollemia nobilis, Wollemia Cupressaceae (Cypress family) Actinostrobus, Sandplain Cypress Athrotaxis, Tasmanian Cedar Austrocedrus chilensis, Cordilleran Cypress Callitris, Cypress-Pine Callitropsis nootkatensis, Nootka Cypress Calocedrus, Incense-Cedar Chamaecyparis, False Cypress Cryptomeria japonica, Sugi Cupressus, Old World Cypress Fitzroya cupressoides, Alerce or Patagonian cypress Fokienia hodginsii, Fujian Cypress Glyptostrobus pensilis, Chinese Swamp Cypress Hesperocyparis, New World Cypress Juniperus, Juniper Libocedrus, New Zealand Cedars, etc. Metasequoia glyptostroboides, Dawn Redwood Papuacedrus papuana Pilgerodendron uviferum, Guaitecas Cypress Platycladus orientalis, Chinese Arborvitae Sequoia sempervirens, Coast Redwood Sequoiadendron giganteum, Giant Sequoia Taiwania cryptomerioides Taxodium, Bald Cypress Tetraclinis articulata, Sandarac Thuja Thujopsis dolabrata, Hiba Xanthocyparis vietnamensis, Vietnamese Golden Cypress Widdringtonia, African Cypress Pinaceae (Pine family) Abies, Fir Cathaya argyrophylla, Cathay Silver Fir Cedrus, Cedar Keteleeria Larix, Larch Nothotsuga longibracteata, Bristlecone Hemlock Picea, Spruce Pinus, Pine Pseudolarix amabilis, Golden Larch Pseudotsuga, Douglas-fir Tsuga, Hemlock
Podocarpaceae (Yellowwood family) Acmopyle Afrocarpus, African Yellowwood etc. Dacrycarpus, Kahikatea etc. Dacrydium, Rimu etc. Falcatifolium Halocarpus Lagarostrobos franklinii, Huon pine Lepidothamnus Manoao colensoi, Manoao Nageia, Asian Bayberry etc. Pectinopitys, Miro etc. Phyllocladus, Celery Pine Podocarpus, Totara etc. Prumnopitys, Mataī etc. Retrophyllum Saxegothaea conspicua, Mañío Hembra Sundacarpus amarus Family Sciadopityaceae Sciadopitys verticillata, Kusamaki Taxaceae (Yew family) Amentotaxus, Catkin-Yew Austrotaxus spicata, New Caledonia Yew Cephalotaxus, Plum Yew Pseudotaxus chienii, Whiteberry Yew Taxus, Yew Torreya, Nutmeg Yew
Ginkgos Only one species. Ginkgoaceae (Ginkgo family) Ginkgo biloba
Cycads Both families of cycads include trees. Cycadaceae (Cycad family) Cycas, Ngathu cycad etc. Zamiaceae (Zamia family) Lepidozamia, Wunu cycad etc.
Ferns
Tree ferns are not true trees - their "trunks" are not composed of true secondary growth, but instead of roots and rhizomes.
Cyatheaceae Cyathea Dicksoniaceae Dicksonia
See also
List of trees and shrubs by taxonomic family List of Clusiaceae genera Wattieza
References