Serpentine ridge one mile northeast of Occidental. Shows Arctostaphylos bakeri in association with Ceanothus jepsonii, Frangula californica (=Rhamnus californica). Note height indicated by 3' rule., T 7 N R 10 W Sec 26 Quad name: Sebastopol. Quad number: 64B.
Seven miles east of Occidental. Gentle east slope, serpentine formation. Shows Arctostaphylos bakeri 11 ft. high as indicated by 3' rule. Does not form burl at base of stem. Assoc. species: Ceanothus jepsonii, Heteromelesarbutifolia (=Photinia arbutifolia), Umbellularia californica, Hesperocyparis sargentii (=Cupressus sargentii), Frangula californica subsp. tomentella (=Rhamnus californica tomentella), Pickeringia montana., T 7 N R 10 W Sec unknown Quad name: Sebastopol. Quad number: 64B.