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American beech
Fagus grandifolia
5,599 observations
eastern black walnut
Juglans nigra
2,994 observations
white oak
Quercus alba
2,153 observations
American chestnut
Castanea dentata
1,781 observations
northern red oak
Quercus rubra
1,767 observations
chestnut oak
Quercus montana
1,432 observations
sweetfern
Comptonia peregrina
1,288 observations
shagbark hickory
Carya ovata
1,182 observations
American hornbeam
Carpinus caroliniana
1,043 observations
bitternut hickory
Carya cordiformis
930 observations
sweet birch
Betula lenta
887 observations
yellow birch
Betula alleghaniensis
858 observations
river birch
Betula nigra
797 observations
pin oak
Quercus palustris
792 observations
black oak
Quercus velutina
591 observations
gray birch
Betula populifolia
459 observations
shingle oak
Quercus imbricaria
449 observations
American hophornbeam
Ostrya virginiana
446 observations
swamp white oak
Quercus bicolor
436 observations
bear oak
Quercus ilicifolia
418 observations
American hazelnut
Corylus americana
313 observations
Butternut
Juglans cinerea
292 observations
Chinese chestnut
Castanea mollissima
253 observations
scarlet oak
Quercus coccinea
248 observations
post oak
Quercus stellata
203 observations
mockernut
Carya tomentosa
192 observations
common alder
Alnus glutinosa
182 observations
willow oak
Quercus phellos
171 observations
northern bayberry
Morella pensylvanica
160 observations
bur oak
Quercus macrocarpa
157 observations
pignut hickory
Carya glabra
153 observations
blackjack oak
Quercus marilandica
133 observations
dwarf chinkapin oak
Quercus prinoides
103 observations
Sawtooth oak
Quercus acutissima
100 observations
chinkapin oak
Quercus muehlenbergii
89 observations
paper birch
Betula papyrifera
87 observations
European beech
Fagus sylvatica
87 observations
smooth alder
Alnus serrulata
65 observations
beaked hazelnut
Corylus cornuta
55 observations
Shellbark Hickory
Carya laciniosa
45 observations
southern red oak
Quercus falcata
45 observations
grey alder
Alnus incana
42 observations
silver birch
Betula pendula
27 observations
chinese wingnut
Pterocarya stenoptera
25 observations
English oak
Quercus robur
23 observations
Allegheny Chinquapin
Castanea pumila
16 observations
Sweet Chestnut
Castanea sativa
16 observations
swamp chestnut oak
Quercus michauxii
11 observations
Saul's oak
Quercus × saulii
11 observations
Persian walnut
Juglans regia
9 observations
Frequently Asked Questions
- The 10 most common deciduous trees in Pennsylvania are:
- American beech (Fagus grandifolia)
- eastern black walnut (Juglans nigra)
- white oak (Quercus alba)
- American chestnut (Castanea dentata)
- northern red oak (Quercus rubra)
- chestnut oak (Quercus montana)
- sweetfern (Comptonia peregrina)
- shagbark hickory (Carya ovata)
- American hornbeam (Carpinus caroliniana)
- bitternut hickory (Carya cordiformis)
- The most observed deciduous tree in Pennsylvania is American beech (Fagus grandifolia), with 5,599 recorded observations.