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California Polytechnic State University Land. Stenner Creek Rd. at crossing of Stenner Creek. Riparian corridor with Salix lasiolepis, S. breweri, Platanus. Surrounding slopes with Quercus durata, Rhamnus californica and Nassella spp.

White Mountains. Upper Wyman Canyon. Bristlecone Pine forest on dolomite, with understory of Cercocarpus, Ribes, Artemisia and Ephedra.

North Point State Park, along the Chesapeake Bay southeast of Baltimore. Lowland forest along the Observation Trail. Liquidambar forest with Quercus falcata, Acer rubrum, Liriodendron and Nyssa. Understory of patchy shrubs and vines including Toxicodendro

Joseph Grant Park, along access road to Blue Oak Ranch Reserve. Northeast facing slope with open oak woodland of Quercus lobata, Q. douglasii, Q. kelloggii and Umbellularia californica. Understory of grasses and native wildflowers. Large rock outcrops cov

Channel Islands: Santa Rosa Island. Large grove of Quercus tomentella below summit of Black Mtn. Dense canopy with sparse understory of grasses, sedges, and pleurocarps. Trunks covered with Alsia californica.

Hi Mountain road, above and to the east of Trout Creek. Mixed community in mosaic of mixed chaparral, Quercus douglasii woodland, Q. agrifolia woodland, and Q. lobata woodland. North facing rock outcrop in partial shade.

Channel Islands: Santa Cruz Island. Large canyon east of Pelican Bay. Woodland composed of Quercus agrifolia and Pinus muricata. Shrub layer of Coreopsis gigantea, Comarostaphylis diversifolia, Keckiella cordifolia and Hazardia detonsa. Heuchera maxima an

Highway 46 near intersection with York Mtn. Road. Ridgeline with stand of Coulter pines surrounded by Quercus agrifolia, Umbellularia and Arbutus woodland.

Channel Islands: Santa Cruz Island. Along road to Willows Anchorage. Gentle south facing slope with nearly pure stand of Artemisia californica and scattered individuals of Rhus integrifola and Quercus pacifica. Annual grasses in understory.

Channel Islands: Santa Cruz Island. Several hundred meters upstream from east fork of Twin Harbors. Large, narrow canyon with Quercus agrifolia forming a patchy canopy. Lyonothamnus floribundus and Pinus muricata are scattered. Diverse understory includin

Channel Islands: Santa Rosa Island. Upper Water Canyon. Drainage through grassland with scattered Baccharis pilularis. Drainage with patchy canopy of Heteromeles arbutifolia and Quercus agrifolia.

Mackerricher State Park, along coast several miles north of Fort Bragg. North edge of park at Hwy 1 crossing of Ten Mile Creek. North facing coastal scrub on stabilized dune sand. Salix and Baccharis dominant with Rubus ursinus, Heracleum, Myrica and Garr

White Mountains. Wyman Canyon above Sentinel Rock and below Robert's Ranch. North facing granitic outcrops in open Pinus monophylla woodland with understory of Artemisia tridentata, Ericameria nauseosa, Ephedra viridis and Ribes sp.

Sligo Creek, between Piney Branch Rd. and Kennebec Ave. Riparian corridor dominated by Fagus, Quercus and Liriodendron. Ulmus and Betula common.

Henry Coe State Park, along Jim Donnelly Trail. North facing slope with oak woodland of Quercus agrifolia and Q. douglasii with Q. kelloggii. Understory of Symphoricarpos and Toxicodendron. Herb layer of Ranunculus, Sanicula, Gallium, Achillea and grasses

Henry Coe State Park, near the windmill along Hunting Hollow Creek. Historically disturbed area with Baccharis scrub adjacent to Quercus agrifolia woodlands.

Cal Poly Campus, Poly Canyon, near entrance. Coastal scrub of Artemisia californica, Toxicodendron and Keckiella cordifolia.

White Mountains. Chiatovitch Flats. Wet meadow draining into Cabin Creek. Sedges dominant, with Castilleja and Aconitum.

Game lands in Taxodium swamp with Nyssa, Acer rubrum, Liquidambar and Quercus nigra.

Trail along North Fork of Big Pine Creek above Big Pine Creek Campgrounds. Near Third Lake in subalpine forest of Pinus contorta and P. albicaulis. Open understory of scattered Chrysolepis and Penstemon.

Blue Oak Ranch Reserve. Along Main Road at first creek crossing. Steep, dry south facing slope along road cut through Quercus douglasii woodland.

Santa Monica Mountains, south of Hidden Valley. Mesic north facing slope with Quercus woodland.

Santa Monica Mountains, Malibu Canyon State Park. Century Lake. Shaded slope with Coast Live Oak woodland.

Clear Creek BLM Management Area, southwest of San Benito Mountain. Jade Mill Campground. Woodland over harsh serpentine soil. Quercus douglasii dominant with Pinus sabiniana and Juniperus californicus. Open shrub layer of Lonicera interrupta and Arctostap

Near intersection of See Canyon Rd and Pippin Lane. Shady Coast live oak woodland.

Eno River State Park, near Piper campground. Forest dominated by Quercus, Pinus and Carya. Ilex and Fagus common in subcanopy.

Green Mountain National Forest, south of Ripton along Goshen Road. Forest of Tsuga, Betula and Acer, with ferns and ericaceous shrubs in understory.

Channel Islands: Santa Catalina Island. East end road at East Mountain. Ridgeline with Quercus pacifica, Salvia mellifera, Opuntia sp., Rhus integrifolia and S. apiana.

Channel Islands: Santa Catalina Island. Road to Twin Rocks, near junction with road to Echo Lake. North facing Quercus pacifica woodland with large, open areas covered in lichen-dominated soil crusts.

Henry Coe State Park, in Braen Canyon. Along seasonal stream along base of north facing slope with Quercus agrifolia, Umbellularia and Q. lobata with dense shrub layer of Toxicodendron, Prunus, Holodiscus, Symphoricarpos and Rhamnus. Salix laevigata occas

Caliente Range, at trailhead off Padrones Canyon road, near gully with seasonal drainage supporting perennial riparian vegetation including Juncus sp. Surrounding vegetation is desert scrub dominated by Ericameria linearifolia and Eriogonum fasciculatum.

Henry Coe State Park, in Braen Canyon. Base of north facing slope along seasonal stream. Woodland of Quercus agrifolia and Umbellularia with Acer and Q. kelloggii. Dense shrub layer of Toxicodendron and Symphoricarpos.

Lassen National Forest, Little Grizzly Fen, North side of Humbug rd.

Channel Islands: Santa Catalina Island. North facing slopes above Italian Gardens. Large, steep drainage with an open canopy of Prunus ilicifolia ssp lyonii. Heteromeles arbutifolia, Toxicodendron diversilobum, Keckiella cordifolia and Rhus integrifolia c

Channel Islands: Santa Catalina Island. Slopes just south of the Airport. Open scrub of scattered Opuntia, Artemisia californica, Rhus integrifolia and Heteromeles arbutifolia. Open areas with annual grasses, Selaginella and Erodium.

Channel Islands: Santa Catalina Island. Cherry Cove, uphill from road. Mesic canyon with dense Prunus canopy. Understory dominated by annual grasses with Adiantum, Polypodium and Pentagramma.

Channel Islands: San Clemente Island. Bluffs near Knob canyon. Cactus scrub dominated by Opuntia littoralis, Cylindropuntia prolifera, Hemizonia clementina and Lotus argophyllus. Lichen dominated soil crusts common.

Diablo Canyon nuclear power facility (PG&E) property. Ridge road north of intersection with road to Crowbar Canyon. Quercus agrifolia woodland with Pinus muricata common. Understory of Polystichum, Vaccinium and typical coastal scrub shrubs.

Klamath National Forest in the Marble Mountain Wilderness off of trail beside unnamed creek that eventually merges with Kidder Creek.

Channel Islands: Santa Catalina Island. Middle Ranch ca. 50m northwest of bunkhouse. Mesic chaparral dominated by Adenostoma, Opuntia and Rhus integrifolia.

Channel Islands: Santa Catalina Island. Slopes above White's Landing. Flat, open area in mesic chaparral dominated by Eriodictyon, Opuntia, Rhus integrifolia and Malosma. Jepsonia occasional and lichen dominated soil crusts common.

Nicene Marks State Park, near Aptos. Sequoia sempervirens forest.

Channel Islands: Santa Catalina Island. Black Jack Campground. Grove of large, introduced trees in campground. Surrounding vegetation a mosaic of Quercus dominated chaparral and grassland.

Channel Islands: Santa Catalina Island. Northeast slope of Black Jack Mountain. Open Quercus pacifica woodland with Mimulus aurantiacus, Opuntia sp., Heteromeles arbutifolia. Understory of annual grasses.

Channel Islands: Santa Catalina Island. Bulrush Canyon, about 1/4 mile below the lower reservoir. Oak woodland bordering a riparian corridor. Woodland dominated by Quercus pacifica and Q. x macdonaldii. Open shrub layer of Heteromeles arbutifolia, Rhus in

White Mountains. Jeffrey Mine (Sparkplug Mine) Canyon at Black Eagle Camp. Very open Pinus jeffreyi and P. monophylla woodland with open understory of Artemisia, Cercocarpus and Opuntia. Substrate a mix of metamorphics, crumbly shale and some igneous rock

South rim of Cirque de Salazie. Trail from G̨te de Belouve to Hell Bourge, ca. 100-200 vertical meters below G̨te de Belouve.

Channel Islands: Santa Cruz Island. Along Lagunitas Secas Road heading north from Centinela. Ridgeline of Eriogonum arborescens and Artemisia californica.

Channel Islands: Santa Catalina Island. Middle Ranch Canyon, at Pump Station 2. Riparian corridor with Salix lasiolepis and S. laevigata through coastal sage scrub. Large Eucalyptus globulus common. Toxicodendron, Baccharis salicifolia, B. pilularis commo

Channel Islands: Santa Cruz Island. Canada del Puerto between Prisoner's Harbor and UC Field Station. Drainage through dry south facing slope dominated by Eriogonum and Sellaginela. Drainage is below perennial seep.