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Genus Listing

  • Ailanthus (Ailanthus)
  • Alders (Alnus)
  • Angelica (Aralia)
  • Apples (Malus)
  • Araucariaceae (Araucaria)
  • Arbutus (Arbutus)
  • Ashes (Fraxinus)
  • Bald-cypress (Taxodium)
  • Bayberry (Myrica)
  • Beech (Carpinus)
  • Beeches (Fagus)
  • Birches (Betula)
  • Black-gum (Nyssa)
  • Buckthorns (Rhamnus)
  • Caragana (Caragana)
  • Catalpas (Catalpa)
  • cedar (Cryptomeria)
  • Cedars (Cedrus)
  • Cedars/Arborvitae/Thujas (Thuja)
  • Cephelanthus (Cephalanthus)
  • Cherries and plums (Prunus)
  • Chestnuts (Castanea)
  • Coast redwood (Sequoia)
  • Corktree (Phellodendron)
  • Dawn redwood (Metasequoia)
  • Dogwoods (Cornus)
  • Douglas-fir (Pseudotsuga)
  • Douglas-fir (Pseudotsuga)
  • Elaeagnus (Elaeagnus)
  • Elders (Sambucus)
  • Elms (Ulmus)
  • Euonymus (Euonymus)
  • False Cypress/Cedars/Cypress (Chamaecyparis)
  • Firs (Abies)
  • Ginkgo (Ginkgo)
  • Gleditsia (Gleditsia)
  • Gymnocladus (Gymnocladus)
  • Hackberries (Celtis)
  • Hawthorns (Crataegus)
  • Hazels (Corylus)
  • Hemlocks (Tsuga)
  • Hickories (Carya)
  • Hollies (Ilex)
  • Holly (Nemopanthus)
  • Hoptree (Ptelea)
  • Horsechestnuts (Aesculus)
  • Ironwood (Ostrya)
  • Junipers (Juniperus)
  • Katsura-tree (Cercidiphyllum)
  • Laburnum (Laburnum)
  • Laburnum (Laburnum)
  • Larches/tamaracks (Larix)
  • Lilac (Syringa)
  • Lindens/basswoods (Tilia)
  • Locust (Robinia)
  • Magnolias (Magnolia)
  • Maples (Acer)
  • Mountain-ashes (Sorbus)
  • Mulberries (Morus)
  • Oaks (Quercus)
  • Osage (Maclura)
  • Pawpaw (Asimina triloba)
  • Pines (Pinus)
  • Poison-sumacs (Toxicodendron)
  • Poplars (Populus)
  • Redbud (Cercis canadensis)
  • Rhododendrons (Rhododendron)
  • Sassafras (Sassafras)
  • Sciadopitys (Sciadopitys)
  • Sea-buckthorn (Hippophae)
  • Serviceberries (Amelanchier)
  • Shepherdia (Shepherdia)
  • Sierra redwood (Sequoiadendron)
  • smoke-tree (Cotinus)
  • Spruces (Picea)
  • Sumacs (Rhus)
  • Sweetgum (Liquidambar)
  • Sycamores (Platanus)
  • Tulip-tree (Liriodendron)
  • Viburnums (Viburnum)
  • Walnuts (Juglans)
  • Willows (Salix)
  • Witch-hazel (Hamamelis)
  • Yellow-wood (Cladrastis lutea)
  • Yews (Taxus)
  • Zanthoxylum (Zanthoxylum)
  • Zelkova (Zelkova)