Mature, very dense stand with quite a lot of litter. Quercus berberidifolia is taller than Adenostoma fasciculatum throughout stand. Patchy Ceanothus crassifolius. More Quercus berberidifolia above road than below it. Adjacent alliances: Malosma laurina-Ceanothus crassifolius 115m/102 degrees; Quercus berberidifolia-Ceanothus crassifolius-100m/334 degrees; Arctostaphylos sp.-Adenostoma fasciculatum 364m/146 degrees