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Red Alder
Alnus rubra
3,915 observations
Oregon oak
Quercus garryana
2,667 observations
beaked hazelnut
Corylus cornuta
1,615 observations
green alder
Alnus alnobetula
452 observations
Pacific Wax myrtle
Morella californica
309 observations
silver birch
Betula pendula
259 observations
common hazel
Corylus avellana
226 observations
English oak
Quercus robur
212 observations
paper birch
Betula papyrifera
197 observations
bog myrtle
Myrica gale
161 observations
Persian walnut
Juglans regia
126 observations
northern red oak
Quercus rubra
107 observations
Sweet Chestnut
Castanea sativa
105 observations
Golden chinquapin
Chrysolepis chrysophylla
75 observations
European beech
Fagus sylvatica
72 observations
eastern black walnut
Juglans nigra
61 observations
water birch
Betula occidentalis
38 observations
grey alder
Alnus incana
37 observations
white alder
Alnus rhombifolia
18 observations
river birch
Betula nigra
13 observations
pin oak
Quercus palustris
7 observations
American chestnut
Castanea dentata
6 observations
scarlet oak
Quercus coccinea
6 observations
swamp birch
Betula pumila
3 observations
Invasive
European Hop-hornbeam
Ostrya carpinifolia
3 observations
Turkish Hazel
Corylus colurna
3 observations
Invasive
Hungarian Oak
Quercus frainetto
3 observations
European Hornbeam
Carpinus betulus
2 observations
Japanese walnut
Juglans ailantifolia
2 observations
Chinese chestnut
Castanea mollissima
1 observations
gray birch
Betula populifolia
1 observations
cork oak
Quercus suber
1 observations
American hazelnut
Corylus americana
1 observations
dwarf resin birch
Betula glandulosa
1 observations
Sawtooth oak
Quercus acutissima
1 observations
Japanese hornbeam
Carpinus japonica
1 observations
common alder
Alnus glutinosa
1 observations
Frequently Asked Questions
- The 10 most common deciduous trees in Washington are:
- Red Alder (Alnus rubra)
- Oregon oak (Quercus garryana)
- beaked hazelnut (Corylus cornuta)
- green alder (Alnus alnobetula)
- Pacific Wax myrtle (Morella californica)
- silver birch (Betula pendula)
- common hazel (Corylus avellana)
- English oak (Quercus robur)
- paper birch (Betula papyrifera)
- bog myrtle (Myrica gale)
- The most observed deciduous tree in Washington is Red Alder (Alnus rubra), with 3,915 recorded observations.
- Some of the most commonly observed invasive deciduous trees in Washington include:
- European Hop-hornbeam (Ostrya carpinifolia)
- Hungarian Oak (Quercus frainetto)