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On moist, diffusely lit soil on steep bluff in fairly dry Quercus forest on steep bluff along Hwy 175 about 59 Km north of IxtlÃøΩn de JuÃøΩrez.

On moist, diffusely lit boulder sheltered from direct receipt of rainfall in open forest of Picea breweri, Pseudotsuga and Abies concolor on steep rocky north-facing slopes near Prescott Cabin,

On fairly moist, diffusely lit bark of Quercus chrysolepis in forest of Pinus lambertiana, Pseudotsuga menziesii and Arbutus menziesii on south-facing ridge along trail to Frog Pond Lake from Middle Fork of Applegate River.

On moist, diffusely lit bark of Alnus along river in forest of Pseudotsuga menziesii, Quercus kelloggii, and Calocedrus decurrens in moist canyon along McCloud River from headquarters of McCloud River Reserve of The Nature Conservancy to about one mile do

On rather dry, shaded recess in granite cliff in Abies concolor, Pinus flexilis, and Tsuga mertensiana forest near Kinney Lake at Ebbetts Pass on Hwy. 4, Toiyabe National Forest.

On fairly moist, rather sunny sandstone outcrop in open forest of Pseudotsuga, Arbutus, and Lithocarpus along Hwy. 96 about 4 miles north of Willow Creek.

On moist, diffusely lit clayey soil in trail in very open forest of Quercus agrifolia interspersed with areas of shrubby thickets along Havey s Canyon Trail in Wildcat Canyon Regional Park from end of Rifle Range Road.

On moist, diffusely lit log in forest of Picea rubens, Thuja and Abies balsamifera with total cover of Sphagnum along Highway 1 near Jonesboro.

On moist, rather ahaded boulder in seepage in very rich mixed hardwood and conifer forest with Picea rubens, Acer rubrum and Acer saccharum along east side of Kettle Pond in Groton State Forest north of Groton.

On moist, diffusely lit bark of Acer saccharum in Fagus, Acer and conifer forest on south side of Tunk Mountain along Maine Highway 182 eight miles west of Unionville Road.

On very moist, shaded humic soil in rivulet in very rich mixed conifer forest along US Forest Service Road 2209 from trailhead for Opal Creek Ancient Forest Center to the Center, Willamette National Forest.

On moist, diffusely lit bark of Umbellulari in grove of Sequoia and Umbellularia on north slope of Red Hill, Sonoma Coast State Beach.

In moist, shaded recess in vertical cliff in forest with Pinus ponderosa and Quercus kelloggii with understory of Arctostaphylos and Chamaebatia along creek about 5 miles northeast of O Neals along North Fork Road.

On moist, diffusely lit steep face of outcrop on river slope in forest of Picea engelmannii, Tsuga mertensiana, and Abies lasiocarpa below Myrtle Lake at bridge, Wenatchee National Forest.

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

On moist, diffusely lit cracks in rock outcrop on cliff in Pinus contorta forest and adjacent meadows in Hall Natural Area near Stanford Research Area, Inyo National Forest.

On rather moist, diffusely lit bark of oak in Pseudotsuga, Quercus chrysolepis, and Arbutus forest along Corral Bottoms Road about 1.5 miles from Big Bar.

On moist, rather shaded bark of shrub in dense and moist Quercus forest along Highway 85 about 12 miles south of Jacala.

On moist, shaded bark of tree in dense rainforest with treeferns at KM 81 of Oaxaca to Tuxtepec highway about 18 KM below El Mirador (last pass before steep descent of highway to Valle Nacional).

On moist, diffusely lit boulder below falls in forest of Quercus and Pinus ponderosa along Pit River at Potem Falls northwest of Round Mountain.

On moist, rather shaded vertical conglomeritic cliff along stream in moist canyon with Thuja, Pinus ponderosa, and Abies forest along O Kelley Creek at West Branch Road immediately inside Ochoca National Forest.

On rather moist, fairly sunny limbs high in tree in moist Pinus and Quercus forest about 1 mile east of Las Peras on Hwy. 15.

On moist, diffusely lit soil of stream bank in very rich mixed conifer forest along stream at exit of Sanger Lake along Forest Service Rd. 4803 southeast of O Brien, Oregon.

On moist, shaded boulder below ice field in alpine fell field with scattered Pinus albicaulis on slopes above Treasure Lake, west of Big Pine. Inyo National Forest.

On moist, diffusely lit soil along road in canyon in Abies concolor, Pseudotsuga, and Pinus jeffreyi forest near Crabtree Camp, Stanislaus National Forest.

On fairly moist, sunny boulder along river in Sequoiadendron forest along Kaweah River (east fork) near Atwell Mills Campground west of Mineral King, Sequoia National Park.

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

On moist, diffusely lit serpentine rocks in steep-sided gorge in open Quercus forest on west-facing slopes along East Fork Road at Rich Gulch, north of Helena. Shasta-Trinity National Forest.

On moist, fairly sunny soil in old growth Pinus ponderosa forest along Rock Creek about 18 miles south of Clinton.

On temporarily submerged, moist, diffusely lit thin soil over outcrop on roadcut in older second growth Sequoia sempervirens forest along Zayante Canyon Road about 4 miles south of Summit Road, north of Felton.

On moist, diffusely lit siliceous boulder above floodline of Hardscrabble Creek at Smith River, west of Gasquet, Six Rivers National Forest.

On moist, diffusely lit soil among grasses in Pinus contorta forest with many wet meadows over granite on shores of Dutch Lake (2 miles west of Florence Lake), Sierra National Forest.

On submerged, rather shaded rocks in river in open forest of Abies concolor, Larix lyallii and Pseudotsuga along Trail 1359 on watershed of Stafford Creek NNE of Cle Elum, Wenatchee National Forest.

On moist, diffusely lit crack in granite outcrop in Pinus ponderosa and Quercus gambelii forest in Hualapai Mountain County Park south of Kingman.

California

On moist, rather shaded base of Quercus chrysolepis in open Quercus forest about 1 mile north of Honeydew.

On moist, diffusely lit twigs of Acer macrophyllum 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 City.

On moist, sunny soil along river in black spruce muskeg at headwaters of McManus Creek near Steese Highway.

On very moist, diffusely lit outcrop in seepage in mixed conifer forest on slopes above river along Hwy 89 about 3 miles south of Crescent Mills.

On submerged, sunny rock in stream in black spruce muskeg along Poker Creek near junction of East and West Forks.

On moist, intensely shaded recess in outcrop in forest of Tsuga mertensiana, Pseudotsuga menziesii and Abies on upper slopes above Frog Pond Lake, Rogue River National Forest.

On very moist to submerged, sunny soil among grassses on floating mat in mountain meadow, Mulkey Meadow near Whitney Portal (west of Lone Pine),

On dry, sunny boulder in Pinus monophylla-Juniperus forest with chaparral and desert elements in steep canyon below Bighorn Overlook along Hwy 74 at eastern boundary of San Bernardino National Forest.

On moist, rather sunny rocks in temporary rivulet in Pinus ponderosa, Abies and Pseudotsuga forest along Crest Trail near Long Park south of Rustler Park, Chiricahua Wilderness of Coronado National Park.

On moist, diffusely lit top of water-rounded boulder in stream in second-growth forest of Pseudotsuga menziesii and Alnus near West Branch Campground on Happy Camp-Obrien Road (northwest of Happy Camp).

On moist, diffusely lit bark of Umbellularia in Pseudotsuga forest along Middle Fork of the Smith River at Siskiyou Fork.

On dry, sunny outcrop at top of ridge in very open yellow pine forest with scattered meadows along headwaters of Deep Creek (watershed of Little Kern River north of Johnsondale).

On moist, diffusely lit log in cutover forest along trail to Kinney Lake, Mt. Robson Provincial Park.

On dry, sunny boulder in very rich mixed conifer forest along Battle Axe Creek trail from Opal Creek Ancient Forest Center to area of nickel mine, Willamette National Forest.

On very moist, diffusely lit log at edge of stream in rather closed, young second-growth forest with Betula papyrifera, Abies balsamifera and Acer saccharum along trail to Tumbledown Mountain from Byron Road west of Weld.