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coast live oak
Quercus agrifolia
44,461 observations
valley oak
Quercus lobata
15,531 observations
California black oak
Quercus kelloggii
15,121 observations
canyon live oak
Quercus chrysolepis
13,614 observations
Tanoak
Notholithocarpus densiflorus
11,793 observations
interior live oak
Quercus wislizeni
6,979 observations
blue oak
Quercus douglasii
6,748 observations
California scrub oak
Quercus berberidifolia
5,330 observations
beaked hazelnut
Corylus cornuta
5,019 observations
leather oak
Quercus durata
5,006 observations
Southern California Walnut
Juglans californica
5,001 observations
bush chinquapin
Chrysolepis sempervirens
3,831 observations
white alder
Alnus rhombifolia
3,549 observations
Muller's oak
Quercus cornelius-mulleri
3,504 observations
Engelmann oak
Quercus engelmannii
3,298 observations
Golden chinquapin
Chrysolepis chrysophylla
2,993 observations
Pacific Wax myrtle
Morella californica
2,516 observations
Oregon oak
Quercus garryana
2,442 observations
huckleberry oak
Quercus vacciniifolia
2,220 observations
Nuttall's scrub oak
Quercus dumosa
1,562 observations
northern California black walnut
Juglans hindsii
1,301 observations
coast oak
Quercus parvula
970 observations
Red Alder
Alnus rubra
899 observations
Tucker's Oak
Quercus john-tuckeri
838 observations
Oracle Oak
Quercus × morehus
765 observations
Holm oak
Quercus ilex
659 observations
Jolon Oak
Quercus × jolonensis
550 observations
island scrub oak
Quercus pacifica
519 observations
Torrey's Hybrid Oak
Quercus × acutidens
446 observations
water birch
Betula occidentalis
402 observations
island oak
Quercus tomentella
389 observations
deer oak
Quercus sadleriana
349 observations
Persian walnut
Juglans regia
347 observations
grey alder
Alnus incana
341 observations
Palmer's oak
Quercus palmeri
339 observations
Quercus berberidifolia × engelmannii
Quercus berberidifolia × engelmannii
291 observations
Ewan's Oak
Quercus × ewanii
232 observations
Alvord Oak
Quercus × alvordiana
230 observations
Quercus berberidifolia × durata
Quercus berberidifolia × durata
200 observations
pecan
Carya illinoinensis
195 observations
Gander oak
Quercus × ganderi
182 observations
Epling's Oak
Quercus × eplingii
155 observations
Coast Live × Interior Live Oak
Quercus agrifolia × wislizeni
132 observations
Scrub × Valley Oak
Quercus berberidifolia × lobata
119 observations
Invasive
cork oak
Quercus suber
105 observations
Quercus berberidifolia × john-tuckeri
Quercus berberidifolia × john-tuckeri
105 observations
Quercus berberidifolia × douglasii
Quercus berberidifolia × douglasii
92 observations
Quercus berberidifolia x cornelius-mulleri
Quercus berberidifolia x cornelius-mulleri
91 observations
River sheoak
Casuarina cunninghamiana
82 observations
Oregon × valley oak
Quercus garryana × lobata
82 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)
- California scrub oak (Quercus berberidifolia)
- beaked hazelnut (Corylus cornuta)
- leather oak (Quercus durata)
- The most observed deciduous tree in California is coast live oak (Quercus agrifolia), with 44,461 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)
- California scrub oak (Quercus berberidifolia)
- leather oak (Quercus durata)