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Channel Islands: Santa Catalina Island. Upper White's Landing watershed southwest of Echo Lake. Canyon with grove of Lyonothamnus surrounded by Quercus pacifica chaparral. Rhus integrifolia and Rhamnus pirifolia occasional, with herbaceous layer of Pholis

Channel Islands: Santa Catalina Island. Ben Weston Trail. Open, disturbed riparian corridor with small Populus balsamifera, Artemisia californica, Salvia mellifera, Heteromeles arbutifolia, Encelia californica, and Rhus integrifolia. Sandy soil.

Channel Islands: Santa Catalina Island. Ben Weston Beach. North edge of beach at picnic area. Base of cliffs facing the ocean ca. 50m from the shoreline. Mostly bare rock with scattered Isocoma, Atriplex and Encelia.

Channel Islands: Santa Catalina Island. Ben Weston Trail. Coastal scrub through open riparian corridor. Encelia, Opuntia, Rhus integrifolia, Baccharis salicifolia and annual grasses.

Old Creek Road, south of Hwy 46. Ridgeline with large, old Monterey Cypresses in grassland.

Channel Islands: Santa Cruz Island. Along road to Willows Anchorage. Open Quercus pacifica woodland with Rhamnus pirifolia and Ceanothus megacarpus, and an understory of annual grasses.

Channel Islands: Santa Cruz Island. Gentle north facing slope east of Pelican Bay. Annual grassland with clay balds dominated by crustose lichens.

Channel Islands: Santa Cruz Island. Ridgeline above and north of Pelican Bay. Open Pinus muricata woodland with dense shrub layer dominated by Arctostaphylos insularis and Comarostaphylis diversifolia.

Channel Islands: East Anacapa Island. Bluffs above campground. Coreopsis gigantea dominant with Grindelia sp. and Eriogonum arborescens. Understory of annual grasses.

Mackerricher State Park, along coast several miles north of Fort Bragg. Near campgrounds south of lake Cleone. Grassland along coastal bluffs.

Hwy 41 about 19 miles east of Atascadero in arid grassland over rolling hills. Growing on roadcut, on white clay.

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

Old Creek just downstream from intersection of Old Creek road and Cottontail Creek road. Disturbed Salix dominated riparian corridor through annual grassland.

Arroyo Grande Creek in Oceano. Near the Fred Griebe bridge (Halcyon Road). Highly disturbed riparian corridor. Growing on shady streambank.

Biddle County Park, west of Lake Lopez on Lopez Drive. On logs in creekbed of Arroyo Grande Creek. Platanus and Salix lasiolepis dominated riparian corridor.

White Mountains. Wyman Canyon below Robert's Ranch and above Royal Gorge. Riparian corridor through open Pinus monophylla woodland on dolomite. Riparian corridor with thickets of Rosa and Salix interspersed with sedge and rush-dominated meadows.

Suey Canyon Road, about 2 miles north of intersection with Hwy 166. Dense Quercus agrifolia woodland with understory of Toxicodendron and annual grasses, adjacent to creek also dominated by Q. agrifolia with Quercus lobata and Platanus.

White Mountains. Wyman Canyon near confluence with Coldwater Canyon. Dry, sandy canyon dominated by Artemisia tridentata with Chamaebatiaria and Ericameria. Surrounding hills with Bristlecone Pine forest and pinyon-juniper woodland.

Price Canyon, between San Luis Obispo and Arroyo Grande. West Ormonde Road at intersection with Price Canyon Road. Quercus agrifolia woodland with understory of Toxicodendron, Rhamnus californica, and annual grasses. Diffuse light on east facing gray sedi

Channel Islands: San Nicolas Island. Intersection of Shannon Road and Jackson Highway. Annual grassland with patches dominated by Lasthenia and Lepidium with developed soil crusts.

Channel Islands: San Nicolas Island. Mesa between Mineral Canyon and Celery Canyon. Dense shoulder-high scrub of Leptosyne with understory of Calystegia and Isocoma.

Channel Islands: San Nicolas Island. Thousand Springs. Coastal bluff with Atriplex spp, Amsinkia and Mesembryanthemum.

Channel Islands: San Nicolas Island. West rim of Celery Canyon. Open Leptosyne scrub with Acmispon, Calystegia, Claytonia and grasses.

Along Pescadero Creek below Loma Mar. Sandy soil along creek through redwood forest.

Portola Redwoods State Park, along Peter's Creek north of campgrounds. Creek bank in mature redwood forest with tanoak and Douglas-fir.

Along Pescadero Creek. Riparian corridor with maple and alder through redwood forest.

Channel Islands: Santa Cruz Island. Canyon on north side below Mt. Diablo. Annual grassland with small Lyonothamnus groves in drainages. Scattered shrubs include Comarostaphylis diversifolia, Arctostaphylos insularis and Hazardia detonsa.

Channel Islands: Santa Cruz Island. Canyon on north side below Mt. Diablo. Steep north facing slope dominated by Quercus pacifica with Ceanothus arboreus, Heteromeles arbutifolius, Hazardia detonsa and Keckiella cordifolia.

UC Davis Quail Ridge Reserve, ca. 2 miles west of Monticello Dam on Lake Berryessa. Fairly open Quercus douglasii woodland with occasional Pinus sabiniana and Q. wislizeni, understory of annual grasses, steep northwest facing slope. Growing on Q. wislizen

UC Davis Quail Ridge Reserve, ca. 2 miles west of Monticello Dam on Lake Berryessa. Quercus douglasii savanah along ridgeline near electrical tower. Growing on large Q. douglasii trunk on west side of ridgeline. Filtered light.

UC Davis Quail Ridge Reserve, ca. 2 miles west of Monticello Dam on Lake Berryessa. Ecotone of Foothill woodland and chamise chaparral. Growing on soil with annual grasses and litter from oak in shade.

Sandy bathing area on North Toe River, just upstream from Hanging Rock Road bridge, SW of Ingalls. On rock by river

Appalachian State Univ. Environmental Studies Area across from Quinn Center on Stadium Dr., Boone. At base of hardwood.

Københavns kommune: On wall near Sjælør Boulevard side of Vestre Kirkegård, København SV, Sjælland.

Frederiksberg kommune: Residential courtyard (Lejerbo) along Platanvej, Frederiksberg, Sjælland. In wet lawn.

Along road to Pebbly Beach, across from the Pier. Santa Catalina Island.

Sorø kommune: At base of birch at edge of E lake, Sandlyng Mose, a private hunting ground with birch swamps about 1 km NNE of lårup and 4.5 km NW of Stenlille, Sjælland.

Ærø kommune: Loose on cobblestones in courtyard, Flaske Peter's Museum, Ærøskøbing, Ærø.

UC Davis Quail Ridge Reserve, ca. 2 miles west of Monticello Dam on Lake Berryessa. Quercus douglasii savanah along ridgeline near electrical tower. Growing on boulders in full sun.

UC Davis Quail Ridge Reserve, ca. 2 miles west of Monticello Dam on Lake Berryessa. Steep grassy drainage in a mesic Quercus douglasii woodland with Aesculus californicus and Q. wislizeni. Very common on boulders in filtered light.

Downtown Long Beach, near the Aquarium. Lawn weed.

UC Davis Quail Ridge Reserve, ca. 2 miles west of Monticello Dam on Lake Berryessa. Steep grassy drainage in a mesic Quercus douglasii woodland with Aesculus californicus and Q. wislizeni. Growing on base of Q. wislizeni. Uncommon.

UC Davis Quail Ridge Reserve, ca. 2 miles west of Monticello Dam on Lake Berryessa. Steep grassy drainage in a mesic Quercus douglasii woodland with Aesculus californicus and Q. wislizeni. Common on boulders in filtered light.

Frederiksberg kommune: NE section of Søndermarken. Wet lawn.

Rheinland Pfalz Kreis Ahrweiler. On old stone wall below ruin. Beech forests on Devonian schist, between Rolandseck and the Rolandsbogen, Remagen, by the Rhine, S of Bonn

Roskilde kommune: Boserup Skov, near Roskilde. On soil in swale.

Channel Islands: Santa Cruz Island. Ridgeline descending northward from Mt. Diablo. Low open scrub dominated by Hazardia detonsa and Lotus dendroideus with understory of annual grasses.

Near Alpine and Bon Tempe reservoirs, between Mt. Tamalpais and Fairfax. Mixed forest of Pseudotsuga menziesii, Quercus agrifolia and Q. kelloggii with grass understory. Growing on eroded, undercut soil bank along shore of lake in full sun.

Near Alpine and Bon Tempe reservoirs, between Mt. Tamalpais and Fairfax. Mixed forest of Pseudotsuga menziesii, Quercus agrifolia and Q. kelloggii with grass understory. Growing on downed Arbutus trunk in filtered light.

Near Alpine and Bon Tempe reservoirs, between Mt. Tamalpais and Fairfax. Mixed forest of Pseudotsuga menziesii, Quercus agrifolia and Sequoia sempervirens with bare understory of litter. Growing on base of Quercus agrifolia trunk.