..Maple tree
..Box elder
..Striped maple
..Norway maple
..Sycamore maple

Mimosaceae

..Acacia
..Blackwood
..Everblooming acacia, water wattle
..Sydney acacia

Betulaceae

..Birch

Fagaceae

..Beech

Juglandaceae

..Butternut

Rosaceae

..Mountain-ash rowan

Fagaceae

..White oak
..Scarlet oak
..Leather oak
..Englemann oak mesa oak
..Laurel oak
..Holm oak, holly oak
..Pin oak
..Sessile oak
..Willow oak
..Common oak
..Red oak
..Cork oak
..Live oak

Betulaceae

..Italian alder
..European alder

Oleaceae

..Ash

Fagaceae

..Spanish chestnut

Myrtaceae

..Tasmanian blue eucal.

Moraceae

..Fig tree

Juglandaceae

..Aucasian wingnut

Ginkgoaceae

..Ginkgo

Caesalpiniaceae

..Amorpha honey locust

Simaroubaceae

..Tree of heaven

Betulaceae

..Hornbeam

Betulaceae

..Hazel tree

Tiliaceae

..Lime tree, big-leaf linden
..Little-leaf linden

Lauraceae

..Laurel

Moraceae

..Black mulberry

Moraceae

..Paper mulberry

..Whitebeam mountain ash, flour berry
..Swedish mountain ash
..Edible mountain ash
..Checker tree

Rosaceae

..Medlar

Oleaceae

..Olive tree

Salicaceae

..White poplar
..Black poplar
..Aspen

Platanaceae

..Plane, sycamore

Fabaceae

..Black locust

Hippocastaneaceae

..Horse-chestnut

Aquivoliaceae

..Holly, Christ's thorn

Anacardiaceae

..Fragrant sumac
..Shining sumac
..Smooth sumac
..Staghorn sumac

Magnoliaceae

..Yellow-poplar

Ulmaceae

..water elm
..smoothleaf elm
..wych elm
..American elm

Juglandaceae

..Walnut-tree

Salicaceae

..Willow

Rosaceae

..Hawthorn

Conifers Families

Pinaceae

..Douglas-fir

Taxaceae

..yew

Pinaceae

..Pine, Norway spruce
..Engelmann pine
..White spruce
..Black spruce
..Serbian spruce
..Oriental spruce
..Blue spruce
..Sitka spruce

Pinaceae

..common Hemlock
..Pacific hemlock

Pinaceae

..Jack pine
..Aleppo pine
..Western white pine
..Swiss mountain pine
..Austrian pine
..Longleaf pine
..Italian stone pine
..Ponderosa pine
..Monterey pine
..Red pine
..Eastern white pine
..Scots pine
..Loblolly pine

Pinaceae

..Common larch

Cupressaceae

..White cedar, eastern arborvitae

Cupressaceae

..Oriental arborvitae

Cupressaceae (Taxodiaceae)

..Sequoia

Cupressaceae

..California redwood

Cupressaceae

..Lawson false cypress, (Port-Orford-cedar)

Pinaceae

..Silver fir
..Pacific silver fir
..Balsam fir
..White fir
..Fraser fir
..Grand fir
..Subalpine fir
..California red fir
..Nordmann fir
..Spanish fir
..Noble fir
..Siberian fir

Cupressaceae

..Juniper
..Eastern red cedar

Pinaceae

..Cedar of  lebanon

Cupressaceae

..Bald cypress

Information provided by: http://www.mpch-mainz.mpg.de