Plant Communities in the San Gabriel Mountains
Valley & Foothill Woodland
- coast live oak Quercus agrifolia
- interior live oak Quercus wislizenii
- Englemann oak Quercus engelmannii
- valley oak - Quercus lobata
- Southern California black walnut Juglans californica
- California buckeye Aesculus californica
Hard Chaparral
- Chamise Adenostoma fasciculatum
- Manzanita Arctostaphylos spp.
- Ceanothus spp.
- Mountain mahogany Cercocarpus betuloides
- Yucca Yucca whipplei
Riparian
- white alder Alnus rhombifolia
- California sycamore Platanus racemosa
- bigleaf maple Acer macrophyllum
- Fremont cottonwood Populus fremontii
- willows Salix spp.
Montane Forests
- low elevation:
- bigcone Douglas fir - Pseudotsuga macrocarpa
- canyon oak- Quercus chysopelis
- middle elevation:
- Ponderosa pine - Ponderosa Pine
- Coulter pine - Pinus coulteri
- canyon oak - Quercus chysopelis
- incense cedar - Calocedrus decurrens
- high country:
- Jeffrey pine - Pinus jeffreyi
- sugar pine - Sugar Pine
- white fir - Abies concolor
- incense cedar - Calocedrus decurrens
- black oak
- 8000'+ lodgepole pine, limber pine
Pinyon-Juniper Woodlands
- Pinyon pine Pinus monophyllum
- junipers Juniperus spp.