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coast live oak
Quercus agrifolia
41,141 observations
valley oak
Quercus lobata
14,439 observations
California black oak
Quercus kelloggii
13,732 observations
canyon live oak
Quercus chrysolepis
11,673 observations
Tanoak
Notholithocarpus densiflorus
10,982 observations
interior live oak
Quercus wislizeni
6,421 observations
blue oak
Quercus douglasii
6,261 observations
beaked hazelnut
Corylus cornuta
4,772 observations
leather oak
Quercus durata
4,662 observations
California scrub oak
Quercus berberidifolia
4,587 observations
Southern California Walnut
Juglans californica
4,548 observations
bush chinquapin
Chrysolepis sempervirens
3,539 observations
white alder
Alnus rhombifolia
3,286 observations
Muller's oak
Quercus cornelius-mulleri
3,286 observations
Engelmann oak
Quercus engelmannii
3,121 observations
Golden chinquapin
Chrysolepis chrysophylla
2,835 observations
Pacific Wax myrtle
Morella californica
2,409 observations
Oregon oak
Quercus garryana
2,157 observations
huckleberry oak
Quercus vacciniifolia
1,936 observations
Nuttall's scrub oak
Quercus dumosa
1,471 observations
northern California black walnut
Juglans hindsii
1,183 observations
Red Alder
Alnus rubra
865 observations
coast oak
Quercus parvula
844 observations
Tucker's Oak
Quercus john-tuckeri
763 observations
Oracle Oak
Quercus × morehus
717 observations
Holm oak
Quercus ilex
593 observations
Jolon Oak
Quercus × jolonensis
497 observations
Torrey's Hybrid Oak
Quercus × acutidens
440 observations
island scrub oak
Quercus pacifica
386 observations
island oak
Quercus tomentella
359 observations
water birch
Betula occidentalis
357 observations
Persian walnut
Juglans regia
343 observations
Palmer's oak
Quercus palmeri
307 observations
grey alder
Alnus incana
298 observations
Quercus berberidifolia × engelmannii
Quercus berberidifolia × engelmannii
273 observations
deer oak
Quercus sadleriana
259 observations
Ewan's Oak
Quercus × ewanii
230 observations
Alvord Oak
Quercus × alvordiana
215 observations
Gander oak
Quercus × ganderi
179 observations
Quercus berberidifolia × durata
Quercus berberidifolia × durata
176 observations
pecan
Carya illinoinensis
174 observations
Epling's Oak
Quercus × eplingii
135 observations
Coast Live × Interior Live Oak
Quercus agrifolia × wislizeni
126 observations
Scrub × Valley Oak
Quercus berberidifolia × lobata
105 observations
Quercus berberidifolia × john-tuckeri
Quercus berberidifolia × john-tuckeri
100 observations
Invasive
cork oak
Quercus suber
97 observations
Quercus berberidifolia x cornelius-mulleri
Quercus berberidifolia x cornelius-mulleri
87 observations
Quercus berberidifolia × douglasii
Quercus berberidifolia × douglasii
83 observations
Quercus berberidifolia × dumosa
Quercus berberidifolia × dumosa
76 observations
Cedros Island oak
Quercus cedrosensis
74 observations
Frequently Asked Questions
- The 10 most common deciduous trees in California are:
- coast live oak (Quercus agrifolia)
- valley oak (Quercus lobata)
- California black oak (Quercus kelloggii)
- canyon live oak (Quercus chrysolepis)
- Tanoak (Notholithocarpus densiflorus)
- interior live oak (Quercus wislizeni)
- blue oak (Quercus douglasii)
- beaked hazelnut (Corylus cornuta)
- leather oak (Quercus durata)
- California scrub oak (Quercus berberidifolia)
- The most observed deciduous tree in California is coast live oak (Quercus agrifolia), with 41,141 recorded observations.
- Some of the most commonly observed invasive deciduous trees in California include:
- cork oak (Quercus suber)
- Some of the most commonly observed native deciduous trees in California include:
- coast live oak (Quercus agrifolia)
- Tanoak (Notholithocarpus densiflorus)
- interior live oak (Quercus wislizeni)
- leather oak (Quercus durata)
- California scrub oak (Quercus berberidifolia)