File:Quercus densiflora... commons.wikimedia.org

Notholithocarpus -... en.wikipedia.org

Quercus densiflora in... plants.jstor.org

Oak tree species –... www.botanical-online.com

Tanoak, LITHOCARPUS... backyardnature.net

PlantFiles: The Largest... davesgarden.com

Shoots of the four tree... www.researchgate.net

Quercus chrysolepis -... en.wikipedia.org

Tanoak (L.densiflora) www.uvm.edu

CCH2 Portal Detailed... cch2.org

Plant community structure... www.researchgate.net

Notholithocarpus... www.flickr.com

Romeyn B. Hough's American... www.lib.ncsu.edu

Quercus chrysolepis www.fs.usda.gov

Quercus prinus hi-res stock... www.alamy.com

Quercus Acuta -- Earthpedia... earthpedia.earth.com

Quercus densiflora in... plants.jstor.org

Notholithocarpus... powo.science.kew.org

Tanoak, LITHOCARPUS... backyardnature.net

Arctostaphylos densiflora... elnativogrowers.com