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Audobon Canyon Ranch's Bouverie Preserve, along east side of Hwy 12 ca. six miles north of Sonoma.

Commuity of Cobb, at the base of Cobb Mountain. Along Bottle Rock Rd. about 100m north of intersection with Hwy 175. Shady north facing slope with mixed canopy of Pseudotsuga menziesii, Acer macrophyllum, Quercus lobata, Arbutus menziesii and Fraxinus lat

Kilombero Nature Reserve in the Udzungwa Mountains. Nyumbanitu Mountain, ca. 75 air-kilometers ESE of Iringa and ca. 5 km S of the village of Udekwa. Dense, wet montane forest heavily influenced by mist from low clouds. Open understory of shubs and ferns.

Van Damme State Park, along coast about 2.5 miles south of Mendocino. Fern Canyon Trail along the Little River. Open Alnus dominated riparian corridor through Sequoia, Pseudotsuga and Picea forest. Sambucus and Corylus common, with understory of shrubs in

Channel Islands: San Clemente Island. Ridgeline just north of gate to Shore Bombardment Area (SHOBA). Small grove of ca. 20 individuals of Quercus tomentella just below and west of ridgeline. Very steep east facing slope with dense litter layer and little

Ridge above and to the west of Coon Creek. White shale

Channel Islands: Santa Cruz Island. Small stand of Lyonothamnus floribundus along Ridge road. Understory of Arctostaphylos insularis, Quercus pacifica and Venegasia carpesioides. Red clay soil.

Michaux State Forest along Highway 233 near intersection with Milesburg Road. Tsuga canadensis forest along creek with Pinus strobus, Quercus spp., Liriodendron, Acer and Nyssa. Understory open, with scattered Rhododendron thickets and patches of Symploca

Almaden Quicksilver County Park. New Almaden Trail near intersection with Webb Canyon Trail. North facingl slope in dense evergreen woodland of Umbellularia and Quercus agrifolia with open understory of Heteromeles, Mimulus aurantiacus and Toxicodendron.

Bohemian Grove area, along Bohemian Highway between Camp Meeker and Monte Rio. Ecotone between Sargent Cypress forest and mixed evergreen forest. Cypress forest with understory of Ceanothus, Arctostaphylos and Carex; Mixed evergreen forest composed of Que

Little Falls Trail in Lopez Canyon, about one half mile from trailhead.Lush riparian with Quercus agrifolia, Platanus, Salix, Acer, Venegasia, Hoita, Carex

Henry Coe State Park, along Hunting Hollow creek. Large creek through oak woodland of Quercus agrifolia, Platanus and Salix common, with understory of Symphoricarpos, Toxicodendron, Holodiscus and Ribes.

Channel Islands: Santa Catalina Island. Salta Verde Cutoff Road, ca. half way between Salta Verde Ridge Rd an Bullrush Canyon Rd. Low Quercus pacifica chaparral with Adenostoma fasciculatum, Arctostaphylos catalinae, Mimulus aurantiacus, Opuntia sp. and R

Jug Bay Wetlands Sanctuary, near intersection of Two Run Trail and Upper Railroad Bed Trail, along Two Run Branch. Deciduous forest of Oak, Sweetgum, Sycamore and others with Virginia Pine.

Boggs Mountain Demonstration State Forest. Forest dominated by Pseudotsuga menziesii, Quercus chrysolepis and Pinus ponderosa, with Umbellularia common. Open understory dominated by Arctostaphylos.

Channel Islands: Santa Cruz Island. Ridgeline forming southern rim of Central Valley. Chaparral dominated by Arctostaphylos spp, Ceanothus spp, Quercus pacificus and Adenostoma fasciculatum on red clay soil.

California Polytechinic State University campus, Quarry Canyon, a tributary to Poly Canyon adjacent to an old quarry. Quercus and Platanus dominated corridor in canyon fed by serpentine seep. Understory of lush herbaceous vegetation including Polypogon an

Eagle Hill Institute. Picea forest with Abies, Tsuga and Acer.

Hwy 182 near Fox Pond. Mixed forest of Betula, Thuja, Picea, Tsuga, Acer and Abies. Open understory of Hammamelis, Viburnum and ferns.

UC Berkeley's Hastings Natural History Reserve in the Carmel Valley. Shady north facing slope along enterance road to reserve. Canopy of Quercus agrifolia and Q. kelloggii with dense shrubby understory of Toxicodendron, Symphoricarpos and ferns.

Eno River State Park, Off Oak Knob Court. Forest of Quercus, Pinus, Acer and Carya.

Wind Wolves Preserve. San Emigdo Campground. Arid annual grassland with introduced grasses and Erodium.

Channel Islands: Santa Cruz Island. North side, above Dick's Harbor. Deep canyon with well developed Quercus agrifolia forest. Acer macrophyllum common. Open understory with Toxicodendron diversilobum, Woodwardia fimbriata and Symphoricarpos mollis. Bould

Knibb Ranch. Steep canyon through foothill woodland. Quercus chrysolepis, Quercus douglasii, Umbellularia californica, Aesculus californica and Pinus sabiniana common.

Shenandoah National Park. Little Devils Staircase Trail. Riparian corridor through Oak-Hickory forest. Betula and Platanus common.

Channel Islands: Santa Cruz Island. Canada del Puerto between Prisoner's Harbor and UC Field Station. Mesic north facing slope with open Quercus agrifolia woodland. Dense understory of Symphoricarops, Mimulus, Rhamnus, Rubus, Adiantum and others. Outcrops

Channel Islands: Santa Catalina Island. Middle Ranch Canyon. North facing slope with very old chaparral dominated by Quercus pacifica, Adenostoma fasciculatum, Rhus integrifolia and Heteromeles arbutifolia. Dense canopy 1-2m high with sparse grassy unders

Channel Islands: Santa Catalina Island. Upper watershed above White's Landing, at the Ackerman Ironwood grove. Soil crusts in chaparral burned in 2007. Eridictyon traskiae, Dendromecon harfordii, Malosma laurina, Quercus pacifica and Arctostaphylos catali

Mendocino National Forest along road from Covelo east to Mendocino Pass. Steep canyon through Pseudotsuga and Pinus ponderosa forest on serpentine. Quercus chrysolepis dominant in canyon with Alnus rhombifolia common.

Hemlock Gorge, north of Prettyboy Reservoir, ca. 300m downstream from the crossing of Gunpowder Road over the Gunpowder River. Relict Tsuga canadensis grove along stream through deciduous forest. Carya and Liriodendron occasional in canopy. Understory an

Tributary to Smith River. Pseudotsuga forest with subcanopy of Lithocarpus, Umbellularia, Quercus chrysolepis, and a well developed shrub layer. Riparian corridor with abundant Alnus rubra and Acer macrophyllum.

Along trail from Interstate 84 to Wahclella Falls. Steep canyon along creek with forest dominated by Pseudotsuga and Acer with Quercus garryana. Understory of Symphoricarpos, Rubus and ferns.

Channel Islands: Santa Cruz Island. Canyon several hundred meters above Lady's Harbor. Quercus agrifolia and Salix lasiolepis dominant. Understory with numerous ferns including Woodwardia fimbriata, Adiantum aleuticum and Athyrium sp.

Santa Monica Mountains, Shalom Institute Camp, off Mulholland Drive west of Hwy 23. Deep slot canyon with Platanus, Quercus agrifolia and Umbellularia. Travertine deposits with Adiantum, Mimulus cardinalis and other caliphiles. Large rock walls of volcani

Clear Creek BLM Management Area, southwest of San Benito Mountain. Along creek at Oak Flat Campground. Open woodland of Quercus douglasii with Pinus sabiniana and Juniperus californicus. Open understory of Lonicera interrupta. Salix breweri abundant along

Channel Islands: Santa Catalina Island. Upper Gallagher watershed. Steep Northeast drainage dominated by Prunus ilicifolia ssp lyonii. Rhus integrifolia and Heteromeles arbutifolia common. Understory of Toxicodendron diversilobum, Ribus viburnifolium and

Santa Monica Mountains, Malibu Creek State Park, allong Mott Rd. Large rock face of volcanic tuff along open riparian corridor with Platanus, Quercus, Salix, Umbellularia and Populus. Understory of grasses, Artemisia and Ambrosia.

Channel Islands: Santa Catalina Island. Northeast facing slope below summit of Black Jack Mountain. Open chaparral dominated by Quercus pacifica with Rhamnus, Mimulus and Heteromeles.Herbaceous layer of annual non-native grasses with scattered native forb

Santa Monica Mountains, near Westlake Village. Grassy slope near intersection of Triunfo Canyon Rd and Lindero Canyon Rd. Rocky annual grassland with Primula, Gnaphalium and Eriogonum fasciculatum.

Kilombero Nature Reserve in the Udzungwa Mountains. Nyumbanitu Mountain, ca. 75 air-kilometers ESE of Iringa and ca. 5 km S of the village of Udekwa. Open ridgetop vegetation in otherwise dense, wet montane forest heavily influenced by mist from low cloud

Sierra San Pedro Martir National Park, near observatory. Jeffery pine forest with White fir and Sugar pine. Granitic substrate.

Stewart State Park Campground, near south shore of Lost Creek Lake. Coniferous Forest.

Near the town of Mineral, outside Lassen National Park, along Battle Creek downstream from Highway 36. Mixed coniferous forest of Pinus ponderosa, Abies concolor, Calocedrus, Pseudotsuga, P. lambertiana and Quercus kelloggii. Granitic substrate.

Temblor Range, along Crocker Canyon Rd. Desert scrub dominated by Eriogonum fasciculatum, Gutierrezia californica, Ericameria linearifolia and Eastwoodia elegans. North facing slope, coarse sandy soil.

Grand Ìätang. Along the trail approaching Grand Ìätang from the west. Disturbed lowland forest along trail with patches of native forest interspersed with anthropogenic vegetation dominated by shrubs and small trees of introduced Psidium.

Mount Hamilton Road (Hwy 130) between Lick Observatory and Isabel Creek. North facing slope in woodland of Quercus wislizeni, Q. kelloggii, Pinus coulteri and P. sabiniana. Dense and diverse shrub cover of Garrya, Frangula, Rhamnus, Lonicera, Toxicodendro

Channel Islands. San Nicolas Island. Lower coastal mesa ca. 800m west-northwest of Nicktown. Base of north facing slope in Leptosyne scrub with Isocoma, Dudleya, Dichelostemma and Calystegia.

Mackerricher State Park, along coast several miles north of Fort Bragg. In Inglenook fen dune complex just south of Ten Mile River. Active sand dunes dominated by Artemisia, Ambrosia and Camissonia with swales dominated by Juncus with occasional woody veg

Mill Creek Campground, Del Norte State Park. Coastal Redwood forest with Pseudotsuga and Alnus. Well developed shrub layer and groundcover of herbs and ferns.

Hi Mountain road, east of Lopez Lake. Moderately dense Quercus agrifolia woodland with understory of Toxicodendron an dannual grasses. Q. lobata occasional. Adjacent to fallow ag field dominated by Centaurea solstitialis.