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On moist, shaded boulder in scrubby thicket of Vaccinium, Garrya, and Alnus with scattered groves of Picea sitchensis on steep, ocean-facing slope near Abalone Point, Patricks Point State Park.

On rock face beside falls 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 face of large boulder on riverbank in cut-over Pseudotsuga forest along Elk River Road about 10 miles SE of Highway 101 (E of Port Orford), Siskiyou National Forest.

On very moist, diffusely lit boulder in seepage in Abies concolor, Tsuga heterophylla and Pseudotsuga forest along Packers Gulch about 1 mile north of US Forest Service Road 11.2 miles west of Quartzville), Willamette National Forest,

On bark of Quercus in deep, moist ravine in Pinus forest along Hwy. 40 about 2 miles east of Las Palmitas.

On moist, diffusely lit base of Quercus in Quercus forest on crest of ridge along road to Puerto Escondido about 76 miles south of Oaxaca.

On moist, diffusely lit bark of Acer macrophyllum in old second-growth Sequoia sempervirens forest in deep river canyon in Nicene Marks State Park north of Aptos.

On mud bank beside road in deep, moist ravine in Quercus forest along Hwy. 40 about 6 miles west of Las Palmitas.

On moist, diffusely lit thin soil over outcrop in Populus tremuloides-Betula forest along Poker Creek below junction with Caribou Creek.

On moist, diffusely lit bark of Quercus in epiphyte-laden Quercus forest along Hwy 175 about 33 Km north of Ixtlan de Juarez.

On large rock outcrop along Middle Fork of Eel River about 12 miles north of Longvale on road to Dos Rios.

On moist, diffusely lit soil at base of boulder in Quercus forest with volcanic boulders along Dersch Road about 11 miles east of Anderson.

On very moist, shaded granite boulder on open talus slopes and boggy lake margins near Paynes Lake, Klamath National Forest.

On moist, diffusely lit boulder on steep seepage in Quercus chrysolepis forest in deep ravine near stream along road to Mendocino Pass about 17 miles east of Covelo.

On moist, diffusely lit soil of roadcut in dense, somewhat disturbed forest in ravine near La Libertad along Hwy. 65 about 5 miles east of Hwy. 15.

On moist, diffusely lit soil in epiphyte-laden Quercus forest along Hwy 175 about 33 Km north of Ixtlan de Juarez.

On moist, diffusely lit soil of steep bluff in Pseudotsuga forest on north-facing slopes above Scott River at Indian Scotty Campground.

On fairly moist, rather sunny rock outcrop along stream on Artemisia-covered slopes with Populus tremuloides riverine corridors along Road 531 about 1 mile east of Road 084 near Lye Creek Campground, Santa Rosa Range, Humboldt National Forest.

Zaire

On moist, diffusely lit soil in grassy bog depressions and open Pinus contorta forest at Young Creek near Bella Coola Road.

On fairly sunny rock in Artemisia and Chrysothamnus desert in deep ravine on road to Gerlach about 29 miles south of Vya.

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

On moist, diffusely lit bark of large Abies concolor in Abies concolor forest with Alnus sinuata thickets about 24 miles from Orleans on Packsaddle Ridge Road east of Weitchpec,

On fairly dry, diffusely lit rock wall in canyon with Juniperus, Quercus and Pinus edulis forest about 20 miles north of Kent on Hwy. 118.

On moist, diffusely lit bark of Acer macrophyllum in riverine corridor with Tsuga, Pseudotsuga, Acer, and Alnus along Bear Creek at Hwy. 229 about 6 miles east of intersection with Hwy. 101.

On occasionally submerged, rather shaded soil in Myrica swamp in boggy tundra near Wreckhouse about 18 miles north of Port Aux Basques.

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

On very moist, sunny soil in boggy site in open Pinus albicaulis forest with scattered wet meadows on talus slopes east of Dragon Peak and north of Golden Trout Lake, near Onion Valley.

On moist, shaded rock in second-growth Abies forest about 1 mile west of junction of Lomond Road and Prov. Hwy. 44.

On moist, diffusely lit soil of streambank in mountain meadow, Mulkey Meadow near Whitney Portal (west of Lone Pine),

On moist, diffusely lit boulder in Abies procera forest along U.S. Forest Service Road 20 at Lava Lake. Willamette Natl. Forest.

On moist, shaded recess in rock outcrop in black spruce forest on sandstone outcrops on top of Haystack Mountain.

On moist, rather sunny rock on cliff face in glacial cirque with pinyon pine and aspen above Angel Lake near Wells.

On moist to submerged, diffusely lit rocks in rivulet in very rich forest of Tsuga, Thuja, and Pseudotsuga along Oak Grove Fork of the Clackamas River near intersection with Shellrock Creek, Mt. Hood National Forest.

On temporarily moist, rather sunny boulder in small ravine heavily disturbed by gold dredging in Quercus chrysolepis, Pinus jeffreyi and Ceanothus forest about 1 mile beyond Cherokee. Sec 33, T21N, R4E.

On moist, diffusely lit bark of tree in virgin forest of Tsuga heterophylla and Thuja plicata in Queets rainforest near campground, Olympic National Park.

On moist, diffusely lit soil of forest floor in Picea forest along Embudo Cave Trail near Sandia Crest, Cibolla National Forest.

On moist, diffusely lit rocks along stream in glacial cirque and outlet valley with scattered Pinus albicaulis at Koenig Lake near Leavitt Lake on east slopes of Sierra Nevada east of Sonora Pass along Hwy. 108. Toiyabe National Forest.

On moist, diffusely lit soil in black spruce muskeg just above junction of Poker and Caribou Creeks.

On moist, rather shaded bark of tree in rainforest on trail from crest of ridge to bottom of Falls, Wallaman Falls National Park west of Ingham.

On very moist, rather sunny granite boulder on open talus slopes and boggy lake margins near Paynes Lake, Klamath National Forest.

On moist, rather shaded rock outcrop in seepage in open Alnus, Calocedrus, and Abies concolor forest on south slopes of Red Butte near Cook & Green Pass.

On moist, diffusely lit wall of basaltic outcrop in old glacial cirque in very rich primary growth mixed conifer forest near headwaters of Crabtree Creek,

On moist, rather shaded bark of tree in dense rainforest on upper slopes and peak of Mt. Mariko, Cakaudrove Province.

On moist, rather shaded base of Quercus on south-facing slope in open Prosopis scrub in limestone canyon along canyon about 1 mile north of parking area for Sitting Bull Falls.

On moist, diffusely lit rock on stream bank in Pinus ponderosa and Quercus garryana forest along Box Canyon Road about 4 miles east of Highway 97 northeast of Goldendale,

On moist, shaded bark of Salix in Spiraea douglasii swamp with adjacent stunted Tsuga forest along Road 23, Olympic National Forest.

On moist to submerged, diffusely lit boulder in stream in forest of Pinus ponderosa, Calocedrus and Pseudotsuga along Middle Fork of the Tuolumne River at Middle Fork Campground.

On moist, diffusely lit granitic river bluff in forest of Pinus ponderosa, Pinus jeffreyi, and Abies concolor along Kaiser Creek at Highway 5 (Stump Springs Road), Sierra National Forest. Section 6, T7S, R25E.

On moist, diffusely lit basaltic rock on bank of stream in sloping alpine meadow at head of small creek along Steens Loop Road about 1.5 miles beyond crest of mountain, Malheur National Forest.