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coast live oak
Quercus agrifolia
41,309 observations
valley oak
Quercus lobata
14,636 observations
California black oak
Quercus kelloggii
13,844 observations
canyon live oak
Quercus chrysolepis
11,788 observations
Tanoak
Notholithocarpus densiflorus
11,056 observations
interior live oak
Quercus wislizeni
6,451 observations
blue oak
Quercus douglasii
6,300 observations
beaked hazelnut
Corylus cornuta
4,799 observations
leather oak
Quercus durata
4,675 observations
Southern California Walnut
Juglans californica
4,606 observations
California scrub oak
Quercus berberidifolia
4,597 observations
bush chinquapin
Chrysolepis sempervirens
3,550 observations
Muller's oak
Quercus cornelius-mulleri
3,331 observations
white alder
Alnus rhombifolia
3,295 observations
Engelmann oak
Quercus engelmannii
3,124 observations
Golden chinquapin
Chrysolepis chrysophylla
2,852 observations
Pacific Wax myrtle
Morella californica
2,416 observations
Oregon oak
Quercus garryana
2,182 observations
huckleberry oak
Quercus vacciniifolia
1,956 observations
Nuttall's scrub oak
Quercus dumosa
1,471 observations
northern California black walnut
Juglans hindsii
1,190 observations
Red Alder
Alnus rubra
867 observations
coast oak
Quercus parvula
853 observations
Tucker's Oak
Quercus john-tuckeri
767 observations
Oracle Oak
Quercus × morehus
712 observations
Holm oak
Quercus ilex
601 observations
Jolon Oak
Quercus × jolonensis
488 observations
island scrub oak
Quercus pacifica
442 observations
Torrey's Hybrid Oak
Quercus × acutidens
440 observations
island oak
Quercus tomentella
359 observations
water birch
Betula occidentalis
357 observations
Persian walnut
Juglans regia
343 observations
Palmer's oak
Quercus palmeri
308 observations
grey alder
Alnus incana
298 observations
deer oak
Quercus sadleriana
274 observations
Quercus berberidifolia × engelmannii
Quercus berberidifolia × engelmannii
273 observations
Ewan's Oak
Quercus × ewanii
230 observations
Alvord Oak
Quercus × alvordiana
221 observations
Gander oak
Quercus × ganderi
182 observations
Quercus berberidifolia × durata
Quercus berberidifolia × durata
176 observations
pecan
Carya illinoinensis
175 observations
Epling's Oak
Quercus × eplingii
136 observations
Coast Live × Interior Live Oak
Quercus agrifolia × wislizeni
127 observations
Scrub × Valley Oak
Quercus berberidifolia × lobata
105 observations
Invasive
cork oak
Quercus suber
100 observations
Quercus berberidifolia × john-tuckeri
Quercus berberidifolia × john-tuckeri
100 observations
Quercus berberidifolia x cornelius-mulleri
Quercus berberidifolia x cornelius-mulleri
87 observations
Quercus berberidifolia × douglasii
Quercus berberidifolia × douglasii
80 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)
- Southern California Walnut (Juglans californica)
- The most observed deciduous tree in California is coast live oak (Quercus agrifolia), with 41,309 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)