List of tree genera

The major tree genera are listed below by taxonomic family.

Flowering plants

For classification of flowering plants, see APG II system.

Eudicots

American Sweetgum (Liquidambar styraciflua, Altingiaceae)

About 210 eudicot families include trees.^[1]^[2]

Adoxaceae (Moschatel family)
- Sambucus, Elderberry
- Viburnum, Viburnum
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
  
  Birch tree (foreground) and maple tree (background) in fall
- 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.

Cryptocarya glaucescens (Lauraceae) in Royal National Park, Australia

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

European Beeches (Fagaceae) in the Sonian Forest, Belgium

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)

African baobab (Adansonia digitata, Malvaceae) in South Africa
- 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)

Eucalyptus bridgesiana (Myrtaceae) on Red Hill, Australian Capital Territory
- 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)

Dove tree (Nyssaceae)
- 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)

Phellodendron japonicum (Rutaceae)

- 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

Yellow maple (Sapindaceae) in fall

Sapindaceae (including Aceraceae, Hippocastanaceae) (Soapberry family)
- Acer, Maple
- Aesculus, Buckeye, Horse-chestnut
- Koelreuteria, Golden rain tree
- Litchi sinensis, Lychee
- Ungnadia speciosa, Mexican Buckeye
Sapotaceae (Sapodilla family)
- Argania spinosa, Argan
- Palaquium, Gutta-percha
- Sideroxylon, Tambalacoque ("dodo tree") etc.

Common Teak (Tectona grandis, Verbenaceae) in Kolkata, India

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

Monocotyledons

Coconut palm tree

About 10 Monocotyledon families include trees.^[1]^[2]

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

Flowering magnolias

17 magnoliid families include trees.^[1]^[2]

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

In the foreground Arolla Pines, in the background Norway Spruce

7 families, all of them include trees.^[3]

Araucariaceae (Araucaria family)
- Agathis, Kauri
- Araucaria, Araucaria
- Wollemia nobilis, Wollemia
Cupressaceae (Cypress family)
- Chamaecyparis
- Cryptomeria japonica, Sugi
- Cupressus, Cypress
- Fitzroya, Alerce or Patagonian cypress
- Juniperus, Juniper
- Metasequoia, Dawn Redwood
- Sequoia, Coast Redwood
- Sequoiadendron, Giant Sequoia
- Taxodium, Bald Cypress
- Thuja
Pinaceae (Pine family)
- Abies, Fir
- Cedrus, Cedar
- Larix, Larch
- Picea, Spruce
- Pinus, Pine
- Pseudotsuga, Douglas-fir
- Tsuga, Hemlock

Podocarpus totara (Podocarpaceae) in New Zealand

Podocarpaceae (Yellowwood family)
- Afrocarpus, African Yellowwood etc.
- Dacrycarpus, Kahikatea etc.
- Dacrydium, Rimu etc.
- Podocarpus, Totara etc.
- Prumnopitys, Miro etc.
Family Sciadopityaceae
- Sciadopitys verticillata, Kusamaki
Taxaceae (Yew family)
- Taxus, Yew

Ginkgos

Only one species.

Ginkgoaceae (Ginkgo family)
- Ginkgo

Cycads

2 families include trees.^[3]

Cycadaceae (Cycad family)
- Cycas, Ngathu cycad etc.
Zamiaceae (Zamia family)
- Lepidozamia, Wunu cycad etc.

Ferns

Cyatheaceae
- Cyathea
Dicksoniaceae
- Dicksonia

References

^ ^a ^b ^c "Angiosperm Phylogeny Website". Missouri Botanical Garden.
^ ^a ^b ^c Heywood, V.H., Brummitt, R.K., Culham, A. & Seberg, O. 2007: Flowering Plant Families of the World. Royal Botanic Gardens, Kew.
^ ^a ^b "The Gymnosperm Database".

[APW-1] "Angiosperm Phylogeny Website". Missouri Botanical Garden.

[Heywood-2] Heywood, V.H., Brummitt, R.K., Culham, A. & Seberg, O. 2007: Flowering Plant Families of the World. Royal Botanic Gardens, Kew.

[Gymnosperm-3] "The Gymnosperm Database".

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[2]

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