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On dry, sunny boulder in Juniperus, Cercocarpus and Pinus ponderosa forest on west side of Goose Lake about 4 miles south of Oregon border.

On moist, diffusely lit boulder in Pinus contorta forest and adjacent meadows in Hall Natural Area near Stanford Research Area, Inyo National Forest.

On moist, diffusely lit large boulder in corridor forest of Tsuga, Alnus, and Acer macrophyllum on steep sandstone east-facing gorge of Risley Creek along Risley Creek Road about 0.5 miles north of Highway 34,

On fairly moist, diffusely lit boulder in alpine fell field with scattered Pinus albicaulis on slopes above Treasure Lake, west of Big Pine.

On moist, diffusely lit bark of Acer macrophyllum along stream in rich riparian forest with Alnus rubra, Acer macrophyllum, Populus trichocarpa, and Fraxinus latifolia Little Sink Natural Area of BLM along Teal Creek Road about 1.5 miles south of Falls Ci

On moist, diffusely lit soil in Pinus and Quercus forest along Hwy 175 about 67 Km north of IxtlÃøΩn de JuÃøΩrez.

On temporarily moist, diffusely lit soil among grasses on south-facing slope in Pinus sabiniana forest along Trinity River about 4 miles east of Del Loma.

On moist, diffusely lit soil in sedge meadows at edge of Tsuga mertensiana, Pinus contorta, and Abies forest near Todd Lake Parking Lot north of Hwy. 41 west of Bend, Deschutes National Forest.

On moist, diffusely lit soil along trail in forest of Tsuga heterophylla, Abies procera, Pseudotsuga and Thuja plicata along Cascade Crest Trail near Rowley s Chasm about 2 miles north of Hwy. 20 east of boundary of North Cascades National Park, Mt. Baker

On moist, diffusely lit log in open forest of Calocedrus decurrens, Abies concolor and Quercus kelloggii along Summit Road about 2 miles north of Fish Camp, Sierra National Forest.

In high desert fringes with Juniperus, Yucca brevifolia, and Ephedra along road from Pearblossom to Wrightwood, near Valyermo.

On moist, rather shaded recess in granite outcrop in very moist alpine tundra over granite near Treasure Lake at headwaters of Rock Creek (south of Tom s Place), John Muir Wilderness, Inyo National Forest.

On moist, diffusely lit soil in Abies concolor forest along the old Caribou Lakes Trail southwest of Big Flat.

On moist, diffusely lit soil at base of bluff along creek in Quercus savannah along Bushy Oak Trail at Oak Run Creek east of Hwy. 299.

On very moist, diffusely lit rocks in seepage in Abies magnifica, A. concolor, Tsuga mertensiana and Pinus albicaulis forest near Echo Lake north of Red Butte, (about 5 air miles north of Seiad Valley,

On moist, diffusely lit soil in boggy area in Picea engelmannii forest at edge of bog near Summitville.

On moist, diffusely lit horizontal branch of Quercus chrysolepis in steep, deep canyon with Quercus lobata and Pinus sabiniana along small road north of Hwy. 120 near Willow Placer Mine, west of Yosemite National Park. Elev.: 1300 M

On moist, rather shaded soil along snowmelt stream in very open Tsuga mertensiana and Pinus albicaulis forest in alpine timberline area on granite at base of permanent snowfield near Winnemucca Lake, Mokelumne Wilderness, El Dorado Natl. Forest,

On moist, sunny soil of roadbank in open forest of Quercus chrysolepis and Pseudotsuga on limestone outcrop along Highway 299 about 3 miles west of Big Bar.

On moist, diffusely lit face of conglomeritic cliff in moist canyon with Thuja, Pinus ponderosa, and Abies forest along O Kelley Creek at West Branch Road immediately inside Ochoca National Forest.

On moist, diffusely lit soil of stream bank in badly disturbed forest and wind-fallen forest of Pseudotsuga menziesii and Pinus contorta in canyon of Sanpoil River at junction USFS Roads 287 and 2152 ENE of Republic.

On moist, diffusely lit log in Abies lasiocarpa and Tsuga mertensiana forest with open sedge meadows near small lake about 1 mile SSW of Mt. Dana, Olympic National Park.

On moist, rather shaded boulder along stream in Pinus contorta - Larix occidentalis - Pseudotsuga forest in deep canyon of Tonata Creek along Road FR2148 about 2 miles south of Kettle River Road.

On moist, diffusely lit recess in rock outcrop sheltered from direct precipitation in high shrub alpine tundra near summit of Caribou Peak.

On moist, diffusely lit rock of abandoned wall in Quercus and Pinus sabiniana woodland opposite spillway of Oroville Dam.

On moist, diffusely lit soil of forest floor in Abies lasiocarpa and Populus tremuloides forest near small stream along Forest Road 106 about 3 miles from Hwy. 4, Jemez Ranger District of Cibola National Forest.

On moderate slopes of the Quebrada Verde in Cordillera de Tilarán along Highway 142 about 15 miles north of San Ramon Canton, Angeles District.

On moist, diffusely lit soil in rich Pinus ponderosa and Pseudotsuga forest along trail from Rustler Park to Long Park, SW of Portal,

On moist, diffusely lit boulder in Abies concolor forest with scattered meadows in Beegum Basin and on north-facing slopes of North Yolla Bolly Mountain.

On temporarily moist, diffusely lit boulder along stream in Juniperus and Artemisia woodland with scattered Pinus jeffreyi along Hulbert Creek north of Cottonwood Flat Campground, Modoc National Forest west of Canby,

On moist, diffusely lit boulder in mixed conifer forest with Sequoiadendron near Atwell Mills, Sequoia Natl. Park.

On moist, diffusely lit rock overhang on vertical cliff in mixed conifer forest in deep canyon at headwaters of South Fork of Tish Tang a Tang Creek east of Hoopa.

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

On fairly dry, sunny soil among grasses in rather dry forest of Pinus and Quercus forest on plain near Estacion Coyotes east of El Salto.

On moist, diffusely lit bark of tree in Pseudotsuga, Quercus, and Arbutus forest along stream at Mill Creek County Park Recreational Area about 8 miles east of Ukiah.

On fairly dry, sunny north-facing cliff 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 of trail bank in Quercus and Pinus sabiniana woodland opposite spillway of Oroville Dam.

On moist, diffusely lit log in deep and moist ravine in Quercus and Arbutus forest on steep bluff along Hwy. 175 about 94 miles south of Oaxaca on road to Puerto Angel.

On moist, shaded, north-facing cliff at top of mountain in low shrub tundra along Pennell Mountain Trail at Twelve Mile Summit.

On moist, sunny soil at stream head at top of mountain in low shrub tundra along Pennell Mountain Trail at Twelve Mile Summit.

Central

On moist, rather shaded bark of Alnus along stream in old growth forest of Tsuga heterophylla and Pseudotsuga menziesii along Dungeness Trail from US Forest Service Road 2860 to boundary of Olympic National Park along Royal Creek, Olympic National Forest.

On moist, diffusely lit humic soil in very rich mixed conifer forest along Mt. Townsend Trail just inside boundary of Buckhorn Wilderness of Olympic National Forest.

On very moist to submerged, rather sunny soil in very wet area with Carex spp. in area of open meadows with scattered Pinus contorta and Abies lasiocarpa along upper reaches of Mt. Townsend Trail, Buckhorn Wilderness of Olympic National Forest.

On moist, diffusely lit bark of Rhamnus in open forest of Pinus contorta, Pinus monticola, Populus fremontii and Pseudotsuga menziesii on steep slope above Big Creek at East Fork near Big Creek Campground, St. Joe National Forest.

Channel Islands: Santa Cruz Island. Large Lyonothamnus grove just below and to the north of ridge between Lagunas Secas and Mt. Diablo.

Channel Islands: Santa Cruz Island. Christy Pines, ca. 200m southwest of Centinela.

Santa Monica Mountains; National Park Service property known as Circle X Ranch, Carlisle Canyon, outcropping along Carlisle Creek above junction of Mishe Mokwa Trail and Carlisle Creek at Split Rock.

Finistere

Carnarvonshire