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Calf Canyon along Hwy 58 just west on junction with Hwy 229. Open Quercus agrifolia woodland with mixed understory of Rhamnus spp, Ceanothus spp, Toxicodendron, Rhus trilobata and annual grasses and forbs. Coarse granitic soil.

Along Blue Ridge Parkway near Mount Mitchell. Ridge Junction overlook. Mixed forest of Betula, Fagus, Acer, Picea and Abies.

Channel Islands: Santa Catalina Island. Near Black Jack mountain. Quercus pacifica savannah along ridgeline. Occasional Rhus integrifolia, Arctostaphylos and Ceanothus.

Channel Islands: Santa Catalina Island. North slope of Black Jack mountain. Shady north facing slope near ridgeline with Quercus pacifica woodland, understory of Heteromeles arbutifolia and Rhus integrifolia.

Channel Islands: Santa Cruz Island. Central Valley below Christi pines. Grove of very large Quercus agrifolia at the base of steep north-facing slope covered in Pinus muricata forest. Understory of Stachys, Scrophularia and Toxicodendron.

Channel Islands: Santa Cruz Island. Canada del Puerto between Prisoner's Harbor and UC Field Station. Lush side canyon with Quercus agrifolia canopy. Dense, lush understory of Toxicodendron, Coreopsis, Rhus, Heteromeles and others.

Channel Islands: Santa Cruz Island. Sierra Blanca Ridge. Pinus muricata forest on east facing slope just below ridgeline. Ceanothus arborescens, Hazardia detonsa, Lotus dendroideus and Dudleya sp. common.

Located at Pacheco State Park off of Dinosaur Point Road near boat ramp.

Channel Islands: San Nicolas Island. Mesa between airfield and Nicktown. Disturbed area in Leptosyne scrub. Annua grasses, Medicago, Achillea and Calystegia common.

Hollister Hills State Vehicular Recreation Area, along tributary to Bird Creek along Beck Trail. Riparian corridor of Quercus agrifolia and Platanus with Toxicodendron, Holodiscus and Lonicera.

Channel Islands: San Nicolas Island. Jetty Canyon. Top of canyon in open Leptosyne scrub with Dichelostemma and scattered Jepsonia and Pentagramma.

Mount Madonna County Park. Ridge Trail. Mosaic of mixed evergreen woodland and grassland. In grassland patch around rock outcrop.

Mount Madonna County Park. Sprig Trail. Ridgeline between trail and Watsonville Road. Mixed evergreen forest of Quercus parvula, Arbutus, Umbellularia and Sequoia with understory of shrubby shreve oaks.

Transverse Range in Bouquet canyon, ca. one mile south of Bouquet Crossing. Canyon with open Quercus agrifolia canopy, shrub layer of Ceanothus cuneatus and Toxicodendron.

Transverse Range along Spunky Canyon Road. Seasonal streamlet through chaparral of Quercus berberidifolia, Adenostoma, Ceanothus cuneatus, Ceanothus leucodermis, Arctostaphylos glauca, Hesperoyucca and Eriogonum fasciculatum. Granitic substrate.

Eastern Sierra west of Bishop, along road from Highway 168 to South Lake, along tributary to the south fork of Bishop Creek. Large vertical granitic rock face above Pinus contorta and Populus tremuloides forest.

Channel Islands: San Clemente Island. Just north of Mail Point, along the central west shore of the island. Lowest coastal terrace with scrub dominated by Lycium californicum, Bergerocactus emoryi, Opunita spp & Cylindropuntia prolifera. Rocky soil from d

Channel Islands. San Nicolas Island. Central ridgeline below wind turbines. Barren area with Erodium and scattered Atriplex semibaccata.

ORV road connecting Pozo Summit with Pine Mountain. Chamise dominated chaparral with Ceanothus cuneatus and Eriodictyon tomentosum. Coarse sandstone and conglomerate substrate. Growing on reddish soil in partial shade.

Coyote Creek Trail, between San Jose and Morgan Hill, ca. 200m south of intersection with Metcalf Road. Disturbed riparian corridor dominated by Salix and Sambucus with an understory of annual grasses.

Pine Barrens at intersection of Stevenson Road and Long Causway Road, ca. 30m northwest of intersection. Edge of Chamaecyparis swamp with Quercus, Pinus and Acer. Understory of Vaccinium with Kalmia, Quercus and Rhododendron.

Along Hwy 29 at road marker 46.33, north of Robert Louis Stevenson State Park. Growing on exposed soil on shady roadcut in mixed evergreen forest with Sequoia, Pseudotsuga and Quercus.

Coronado Natl. Forest, in the Chiracaua Mtns. Limestone ridge near enterance to forest along road from Portal. Chihuahan desert scrub.

Black Mtn, Los Padres Natl. Forest. Ridge road leading to summit of Black Mtn. Intermittent drainage through chaparral. South facing slopes dominated by Adenostoma fasciculatum, Salvia mellifera, Hesperoyucca whipplei; north facing slopes and drainage wit

Alan Peak, Montana De Oro State Park. Lush Quercus agrifolia woodland near stands of Pinus muricata and Arctostaphylos pechoensis. Dense canopy with shrubby understory of mostly Rhamnus crocea. Growing on Q. agrifolia limbs.

Gaviota State Park near intersection of Hwy 101 and Hwy 1. Coastal scrub dominated by Artemisia californica, with Encelia, Keckiella, and Salvia mellifera. Sandstone substrate.

Inyo National Forest, along trail from Onion Valley to Kearsarge Pass, near trailhead. Open Abies magnifica forest with understory dominated by Artemisia tridentata, Chrysolepis and Symphoricarpos.

Parking area for Sierra Azul Open Space at intersection of Hicks Road and Mt. Umunhum Road. Open, grassy patch within mixed evergreen forest. Sparse grass cover with several native forbs.

Diablo Canyon nuclear power facility (PG&E) property. Crowbar canyon in vicinity of two large water cisterns. On soil of south facing slope in partial shade. Quercus agrifolia woodland ecotonal with coastal scrub.

Channel Islands: Santa Rosa Island. Torrey Pines. Small grove of Lyonothamnus within Pinus torreyana woodland. Understory of native grasses, Salvia, Arctostaphylos and Adenostoma fasciculatum.

Russian Ridge Open Space, along Giant Oaks Trail. Mixed evergreen forest dominated by Quercus chrysolepis with Pseudotsuga, Q. agrifolia and Arbutus. Open understory with Symphoricarpos, Dryopteris and saplings.

White Mountains. Top of Marble Canyon. Narrow Canyon of black sedimentary rocks with large rock walls dominated by Heuchera rubescens. Surrounding vegetation is open Pinyon pine woodland.

Channel Islands: San Miguel Island. Nidever Canyon. Steep northwest facing slope with coastal bluff scrub dominated by Coreopsis gigantea, Dudleya greenei, Eriogonum grande, Astragalus miguelensis and Erigeron glaucus. Sandy soil from easily eroding sands

White Mountains. Lower Cottonwood Creek above terminus of Canyon Rd. Steep slope with granitic boulders and Pinyon-juniper woodland. Understory dominated by Artemisia tridentata, Purshia tridentata and Ephedra viridis.

White Mountains. Lower Cottonwood Creek above terminus of Canyon Rd. Riparian corridor through Pinyon-juniper woodland. Dense thicket of Salix, Betula, Rosa and Equisetum.

Sutcliff Woods. Mature stand of Juglans nigra with Celtis, Tilia, Aesculus, and Quercus spp. Understory a dense carpet of 1m tall herbs.

Spooner's Cove, Montana de Oro State Park.

Cuesta Ridge, west of Cuesta Pass and south of radio tower. Small rock outcrop in serpentine chaparral. Quercus durata dom., Ceanothus cuneatus and Adenosotma fasciculatum com., Rhamnus spp, Salvia mellifera & Trichostoma lanatum occ. On rocks in full sun

Fiscalini Ranch Reserve, near Cambria. Native Pinus muricata forest. Open, with young pines interspersed with grassland and thickets of Toxicodendron and Pteridium.

Henry Coe State Park, near intersection of Monument Trail and Ponderosa Trail. Ridgeline with open woodland of Quercus lobata, Arbutus menziesii, Umbellularia californica and Pinus ponderosa. Scattered shrubs including Arctostaphylos glauca and Baccharis

Channel Islands: Santa Rosa Island. Water Canyon. Stand of arborescent Quercus pacifica with a dense canopy and understory of annual grasses, Silybum marianum and Carduus pycnocephalus.

Catoctin Mountain Park. Trail heading north from Hog Rock parking area off Park Central Road. Along ridgeline in deciduous forest. Quercus prinus dominant with pines and other hardwoods.

Owens Valley, between Bishop and Big Pine, along east edge of the valley. Rocky slope with desert scrub of Atriplex, Encelia, Ericameria, Psorothamnus, Eriogonum, Petalonyx and other shrubs.

Mount Hamilton Road (Hwy 130) between the Lick Observatory and Isabel Creek. Foothill woodland with Quercus douglasii, Pinus sabiniana, Arctostaphylos, Ceanothus and grasses.

At the end of Suey Canyon Road, several miles north of Hwy 166. Quercus agrifolia woodland with occasional Q. lobata. Well developed shrub layer of Ceanothus cuneatus, Rhamnus californica, Toxicodendron & Heteromeles arbutifolia. On white shale outcrop in

Arroyo Grande Creek in historic downtown Arroyo Grande. Disturbed riparian corridor dominated by Populus balsamifera and Salix lasiolepis with Acer negundo. Understory of mixed natives and exotics.

Channel Islands: Santa Catalina Island. Bulrush Canyon. Quercus pacifica woodland with Keckiella sp., Rhus integrifolia, Baccharis pilularis and Lonicera sp.

Channel Islands: Santa Cruz Island. Pelican Bay. Coastal bluffs dominated by Coreopsis gigantea and Dudleya sp. Annual grasses common.

White Mountains. Wyman Canyon below Royal Gorge and above Sentinel Rock. North facing granitic outcrops through open Pinus monophylla woodland with Artemisia tridentata, Ericameria nauseosa and Ephedra viridis. Along riparian corridor of Salix and Rosa th

Channel Islands: Santa Rosa Island. Upper Water Canyon. South facing slope with almost pure stand of Artemisia californica. Annual grasses and Baccharis pilularis occasional. Sandy soil from whitish sedementary rocks.