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coast live oak
Quercus agrifolia
41,808 observations
valley oak
Quercus lobata
14,845 observations
California black oak
Quercus kelloggii
14,244 observations
canyon live oak
Quercus chrysolepis
12,394 observations
Tanoak
Notholithocarpus densiflorus
11,391 observations
interior live oak
Quercus wislizeni
6,552 observations
blue oak
Quercus douglasii
6,433 observations
beaked hazelnut
Corylus cornuta
4,866 observations
leather oak
Quercus durata
4,734 observations
Southern California Walnut
Juglans californica
4,674 observations
California scrub oak
Quercus berberidifolia
4,665 observations
bush chinquapin
Chrysolepis sempervirens
3,622 observations
Muller's oak
Quercus cornelius-mulleri
3,405 observations
white alder
Alnus rhombifolia
3,330 observations
Engelmann oak
Quercus engelmannii
3,188 observations
Golden chinquapin
Chrysolepis chrysophylla
2,908 observations
Pacific Wax myrtle
Morella californica
2,431 observations
Oregon oak
Quercus garryana
2,244 observations
huckleberry oak
Quercus vacciniifolia
2,057 observations
Nuttall's scrub oak
Quercus dumosa
1,506 observations
northern California black walnut
Juglans hindsii
1,214 observations
Red Alder
Alnus rubra
880 observations
coast oak
Quercus parvula
869 observations
Tucker's Oak
Quercus john-tuckeri
787 observations
Oracle Oak
Quercus × morehus
724 observations
Holm oak
Quercus ilex
615 observations
Jolon Oak
Quercus × jolonensis
506 observations
island scrub oak
Quercus pacifica
454 observations
Torrey's Hybrid Oak
Quercus × acutidens
442 observations
island oak
Quercus tomentella
369 observations
water birch
Betula occidentalis
364 observations
Persian walnut
Juglans regia
346 observations
Palmer's oak
Quercus palmeri
323 observations
grey alder
Alnus incana
318 observations
deer oak
Quercus sadleriana
300 observations
Quercus berberidifolia × engelmannii
Quercus berberidifolia × engelmannii
278 observations
Ewan's Oak
Quercus × ewanii
232 observations
Alvord Oak
Quercus × alvordiana
219 observations
Quercus berberidifolia × durata
Quercus berberidifolia × durata
183 observations
Gander oak
Quercus × ganderi
182 observations
pecan
Carya illinoinensis
178 observations
Epling's Oak
Quercus × eplingii
136 observations
Coast Live × Interior Live Oak
Quercus agrifolia × wislizeni
127 observations
Scrub × Valley Oak
Quercus berberidifolia × lobata
112 observations
Invasive
cork oak
Quercus suber
101 observations
Quercus berberidifolia × john-tuckeri
Quercus berberidifolia × john-tuckeri
100 observations
Quercus berberidifolia × douglasii
Quercus berberidifolia × douglasii
89 observations
Quercus berberidifolia x cornelius-mulleri
Quercus berberidifolia x cornelius-mulleri
86 observations
Cedros Island oak
Quercus cedrosensis
79 observations
Quercus berberidifolia × dumosa
Quercus berberidifolia × dumosa
76 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)
- Southern California Walnut (Juglans californica)
- The most observed deciduous tree in California is coast live oak (Quercus agrifolia), with 41,808 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)