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American beech
Fagus grandifolia
5,734 observations
eastern black walnut
Juglans nigra
3,151 observations
white oak
Quercus alba
2,321 observations
American chestnut
Castanea dentata
1,951 observations
northern red oak
Quercus rubra
1,924 observations
chestnut oak
Quercus montana
1,581 observations
sweetfern
Comptonia peregrina
1,382 observations
shagbark hickory
Carya ovata
1,229 observations
American hornbeam
Carpinus caroliniana
1,071 observations
bitternut hickory
Carya cordiformis
950 observations
sweet birch
Betula lenta
926 observations
yellow birch
Betula alleghaniensis
890 observations
pin oak
Quercus palustris
848 observations
river birch
Betula nigra
823 observations
black oak
Quercus velutina
657 observations
shingle oak
Quercus imbricaria
526 observations
American hophornbeam
Ostrya virginiana
504 observations
gray birch
Betula populifolia
478 observations
swamp white oak
Quercus bicolor
463 observations
bear oak
Quercus ilicifolia
458 observations
American hazelnut
Corylus americana
342 observations
Butternut
Juglans cinerea
297 observations
Chinese chestnut
Castanea mollissima
268 observations
scarlet oak
Quercus coccinea
251 observations
post oak
Quercus stellata
218 observations
common alder
Alnus glutinosa
197 observations
mockernut
Carya tomentosa
194 observations
northern bayberry
Morella pensylvanica
177 observations
willow oak
Quercus phellos
176 observations
bur oak
Quercus macrocarpa
169 observations
pignut hickory
Carya glabra
157 observations
blackjack oak
Quercus marilandica
137 observations
Sawtooth oak
Quercus acutissima
121 observations
dwarf chinkapin oak
Quercus prinoides
109 observations
chinkapin oak
Quercus muehlenbergii
101 observations
European beech
Fagus sylvatica
89 observations
paper birch
Betula papyrifera
88 observations
smooth alder
Alnus serrulata
67 observations
beaked hazelnut
Corylus cornuta
64 observations
southern red oak
Quercus falcata
50 observations
Shellbark Hickory
Carya laciniosa
45 observations
grey alder
Alnus incana
43 observations
silver birch
Betula pendula
28 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 5,734 recorded observations.