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On moist, diffusely Lithocarpus on ridge in Lithocarpus-Pseudotsuga forest at top of ridge along Kneeland to Bridgeville Road about 2 miles south of Kneeland.

On dry, sunny bark of Quercus chrysolepis in very deep and steep-sided canyon with scattered Quercus and Pseudotsuga on serpentine outcrop along Ditch Gulch below Hwy. 3 about one mile north of Hwy. 36.

On moist, diffusely lit bark of Quercus in mixed conifer forest along river along trail above Bridge Camp west of Clair Engle Lake.

On moist, diffusely lit leaning trunk of Quercus kelloggii on open slopes with Quercus kelloggii along Dog Creek Road at Hwy. 5 near Delta.

On moist, diffusely lit bark of Quercus chrysolepis in Quercus wislizenii and Pinus ponderosa forest with Ceanothus and Arctostaphylos understory along road to Manton about 2 miles from Hwy. 36.

On moist, diffusely lit bark of Quercus chrysolepis on open grassy slope with Quercus, Aesculus, and Toxicodendron above the Eel River about 3 miles south of Piercy.

On moist, diffusely lit bark of Lithocarpus in heavily burned forest of Quercus agrifolia, Arbutus and Pseudotsuga at top of bluff above Bottcher s Gap, Los Padres National Forest.

On moist, diffusely lit soil along river in very open Quercus and Arctostaphylos forest on gravelly river floodplain along Hwy. 199 at Rough and Ready Botanical Wayside south of Cave Junction.Sec. 18, T40S, R8W.

On temporarily moist, rather sunny thin soil over lava in Juniperus forest with Artemisia understory over lava outcrop along Horse Ridge Frontage Road about 3 miles west of Hwy. 20.

On moist, rather sunny vertical soil bank in second-growth Sequoia sempervirens forest along road near Forest Service Research Laboratory above University Campus.

On moist, shaded thin soil in recess in outcrop in rich forest of Abies concolor on steep slopes along US Forest Service Rd. 46N65 ca. 2 miles north of Lake Mtn. Lookout, Klamath Natl. Forest.

On moist, diffusely lit soil along trail in mixed high elevation conifer forest and adjacent cirque walls along Sugar Creek at Sugar Lake west of Callahan.

On moist, sunny soil among grasses in alpine fell field with scattered Pinus albicaulis on slopes above Chocolate Lake, west of Big Pine,

On very moist, rather shaded soil on trailbank in Pinus contorta forest at Three Creeks Meadow west of Bend. Deschutes Natl. Forest.

On moist, diffusely lit Pseudotsuga log in open, south-facing slopes with Quercus kelloggii, Calocedrus, and Pseudotsuga along Hwy. 96 about 2 miles east of Fort Goff.

On moist, diffusely lit log in Pseudotsuga and Quercus forest along White Rock Road about 3.5 miles south of Highway 36,

On fairly dry, rather sunny log in low cut-over forest with Quercus and Aesculus over steep slopes with many rock outcrops at Clear Lake State Park.

On moist, diffusely lit log along stream at exit of Bowman Lake, Pinus ponderosa and Pseudotsuga forest on heavily glaciated granitic slopes, west of Truckee,

On moist, shaded thin soil over lava in recess of outcrop in Pinus ponderosa forest at top of Pine Mtn. near Univ. of Oregon Observatory, 5 miles south of Millican.

On moist, diffusely lit log in very open forest of Calocedrus on barren granitic slopes on headwaters of Oregon Creek north of Trinity Summit Guard Station. Six Rivers National Forest.

On moist, diffusely lit base of Abies in mixed conifer forest with Tsuga mertensiana, Abies concolor and Pinus contorta in Blue Creek Basin, Rogue River National Forest about 10 miles north of Lake of the Woods.

On moist, diffusely lit soil in Quercus forest along Illinois River near Oak Flat, northeast of Kalmiopsis Wilderness,

On moist, diffusely lit soil in large Pseudotsuga, Arbutus and Quercus forest at junction of Mail Ridge Road with Eel Rock Road,

On moist, diffusely lit burned soil under Washingtonia in Washingtonia filifera oasis with surrounding desert scrub, Forty-nine Palms Oasis near Twenty-nine Palms.

On moist, shaded top of siliceous rock in steep-sided ravine in relatively undisturbed Thuja-Tsuga forest on lower slopes of Four Mile Mountain north of village of Bella Coola.

On moist, diffusely lit very rotten log under Acer circinatum in recent clear-cut of Pseudotsuga forest on steep south-facing slopes along High Deck Road about 5 miles from Hwy. 20 at Cascadia

On moist, shaded Sequoia log in virgin Sequoia forest along Haul Road on south margin of Prairie Creek Redwood State Park.

On moist, diffusely lit soil of creek bank in steep, deep canyon with Quercus chrysolepis, Salix and Sambucus at Moss Canyon about 1 mile downstream from Forest Bridge, El Portal west of Yosemite National Park. Elev.: 750 M

On fairly moist, rather sunny soil among grasses on steep hillside in Quercus kelloggii savannah at Moss Canyon about 1 mile downstream from Forest Bridge, El Portal west of Yosemite National Park.

On soil in forest of Pseudotsuga, Tsuga and Thuja at end of forest road 2870 northeast of Buckhorn Wilderness, Olympic National Forest.

On moist, diffusely lit steep face of outcrop in mixed conifer forest along Granite Creek between Tickner Creek and Blue Granite Lake.

On moist, diffusely lit soil on shores of lake in open Picea and Pseudotsuga forest on shores of Silver Lake near Terrace Reservoir.

On moist, rather sunny bark of Ulmus in second-growth Liriodendron and Quercus forest along Hwy. 47 about 10 miles east of Parkersburg.

On moist, diffusely lit leaning trunk of Pseudotsuga in Pinus ponderosa, Pseudotsuga, Platanus, and Quercus forest along trail from Methodist Camp to Rattlesnake Peak, SW of Portal,

On rather dry, diffusely lit top of granitic boulder in rich Pinus ponderosa forest along stream above Spencer Canyon Campground below Mt. Lemmon, Santa Catalina Mtns. north of Tucson, Coronado National Forest.

On moist, shaded log in rich mixed conifer forest along US Forest Service Road 10N02 at head of Mill Creek.

On fairly moist, rather sunny granite outcrop near waterline of river in Calocedrus, Quercus kelloggii, Pseudotsuga, and Pinus jeffreyi forest along Stanislaus River at Board Mill Road near Sourgrass Campground, Stanislaus National Forest.

On moist, diffusely lit soil at base of Populus tremuloides in shrub tundra and adjacent black spruce forest at top of Helmers Ridge.

On moist, diffusely lit rock outcrop in deep and steep canyon of Bee Creek with forest of large Castanopsis, Chamaecyparis, and Pseudotsuga along Onion Lake Road about 7 miles south of Onion Lake.

On occasionally submerged, sunny rock in intermittent stream in alpine fell field with scattered Pinus albicaulis on slopes from Mono Pass to Golden Lake, south of Tom s Place.

On dry, sunny boulder in open Quercus forest with pastured grassland along Hwy. 299 about 2 miles northeast of Montgomery Creek.

On temporarily moist, rather sunny boulder in open Quercus forest along Hwy. 20 at milepost 74.

On dry, sunny boulder in open Quercus forest along New River between Denny and Mills Creek.

On moist, shaded recess in steep cliff along trail to top of Hinkey Summit, Santa Rosa Range, Humboldt National Forest,

On moist, rather sunny rocks on ocean bluffs with Rhus, Baccharis and Vaccinium at College Cove about 2 miles north of Trinidad.

On flat soil in full sun in desert area with Agave, Bergerocactus, Lycium, and Atriplex on sandy coastal region about 5 miles south of San Quintin

On moist, diffusely lit soil of road bank in open Eucalyptus marginata forest along road to Pemberton about 5 miles south of Nannup.

On fairly moist, diffusely lit bark of tree on roadside near Savu-Savu, Cakaudrove Province.

On moist, shaded log in dense rainforest on upper slopes and crest of Mt. Washington.

On moist, diffusely lit rock outcrop in Picea forest at Red River Pass.