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El Yunque Rain Forest. Caribbean National Forest. 30 miles east of San Juan. 13 km up road 191 from Palmer. At Forest Service Aviary.

On moist, diffusely lit soil along creek 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 steep trail bank in primary forest of Pseudotsuga, Tsuga, Picea sitchensis and Abies amabilis with open areas of basaltic outcrops on upper slopes of Saddle Mountain along trail from campground, Saddle Mtn. State Park,

On moist, diffusely lit bark of leaning trunk of Lithocarpus densifolius in Abies grandis forest at end of Summers Lane near Fort Bragg.

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

On moist, diffusely lit bark of Lithocarpus in Lithocarpus and Pseudotsuga forest with grassy openings along Fox Creek in Branscomb Reserve of the Nature Conservancy north of Branscomb,

On moist, diffusely lit bark of Sambucus in Alnus, Pseudotsuga and Picea sitchensis forest on seaward bluffs at College Cove ca. 1/2 mile north of Trinidad.

On moist, diffusely lit soil beside rivulet on steep, north-facing slope above grassy meadow, Round Meadow, about 3 miles southeast of Sayles Canyon Trailhead, El Dorado Natl. Forest,

neighborhood of Jonesville (woods near Butte Creek)

On moist, diffusely lit rocks along river in second-growth Pseudotsuga forest along road at bridge across Middle Fork of the Snoqualmie River immediately east of North Bend Station of Mt. Baker-Snoqualmie National Forest.

On moist, rather shaded boulder in Quercus and Pinus forest along highway 15 near Zacapu.

On moist, sunny soil beside very hot water in low desert scrub in vicinity of hot springs north of Middle Alkali Lake (northeast of Cedarville).

On moist, diffusely lit disturbed soil along road in Pseudotsuga forest with Acer macrophyllum along river corridor along Big Canyon at Hayfork Creek,

On moist, diffusely lit soil at base of Pseudotsuga in old-growth Pseudotsuga forest on basaltic knob along trail to Illahee Lookout, Umpqua National Forest,

On moist, diffusely lit soil of bank of rivulet in wet meadow in Tsuga mertensiana and Pinus flexilis forest near Piute Meadow, Emigrant Wilderness of Stanislaus National Forest.

On moist, diffusely lit boulder near falls 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 steep rock wall 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 moist, diffusely lit soil of streambank on open grassy slope with Quercus, Aesculus, and Toxicodendron above the Eel River about 3 miles south of Piercy.

On moist, diffusely lit top of boulder in Quercus forest on shallow soil over much pot-holed volcanic rocks near Tepetate along trail west of JesÃøΩs Maria.

On moist, rather shaded soil in deep ravine with forest of Liriodendron, Tsuga, Betula alleghaniense, Fagus and Quercus spp. in deep ravine along trail from Rattlesnake Gap to Walnut Knob about 1 mile above Round Mountain Rec. Area of Cherokee National Fo

On moist, diffusely lit soil bank in Pinus and Quercus forest about 4 miles east of La Ci�naga on ridge about 5 miles northwest of Mesa del Nayar.

On wet rocks of road bluff in deep, moist ravine in Pinus forest along Hwy. 40 about 2 miles east of Las Palmitas.

On moist, rather shaded log in Quercus forest on steep north-facing slope near extreme top of ridge along Hwy. 40 about 18 miles west of La Ciudad near border between Durango and Sinaloa States.

On moist, diffusely lit rock outcrop in open savannah with Quercus douglasii on steep sandstone bluffs at the Pinnacles , Hunter-Leggett Military Reservation.

On bark of oak in large oak forest with grassy clearings along road about 4 miles south of Solvang in Santa Ynez Mountains,

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

On fairly dry but occasionally submerged siliceous boulder in Pseudotsuga forest on upper reaches of North Fork of Bear Creek,

On very moist, diffusely lit bark of Quercus in mixed hardwood and Pinus forest along Forest Service Road at campground north of Heflin in Talladega National Forest, east of Anniston.

On moist, diffusely lit thin soil over outcrop in open area of alpine scrub on cirque walls above Sugar Lake west of Callahan.

On fairly moist, rather sunny thin soil over outcrop in primary forest of Pseudotsuga, Tsuga, Picea sitchensis and Abies amabilis with open areas of basaltic outcrops on upper slopes of Saddle Mountain along trail from campground, Saddle Mtn. State Park,

Northwest

On moist, diffusely lit soil of trail bank in Quercus, Pinus and Juniperus forest in wooded valley in dry, otherwise unforested area along highway to Pinotepa Nacional about 9 miles east of Putla.

On moist, diffusely lit rock in Pinus, Quercus and Juniperus forest on flat top of ridge along Hwy. 40 about 9 miles west of La Ciudad.

On moist, diffusely lit soil at base of cliff in open Pinus forest near Cangrejo about 3 miles west of Mesa del Nayar.

On fairly moist, diffusely lit vertical face of rock near river in Pinus and Quercus forest at La Ci�naga on ridge about 5 miles northwest of Mesa del Nayar.

On moist, diffusely lit base of tree in Pinus and Quercus forest at La Ci�naga on ridge about 10 miles northwest of Mesa del Nayar.

On moist, diffusely lit soil under Pinus sabiniana and Arctostaphylos along Oasis Road at Hwy. 5 on north side of Redding.

On moist, rather sunny soil in trail in very moist coastal forest of Pseudotuga, Alnus and Picea sitchensis along Coastal Trail between False Klamath Cove and Requa, Redwood National Park,

On fairly dry, diffusely lit siliceous rock on roadbank in Abies concolor forest near Doe Flat,

On fairly moist, sunny boulder on Artemisia-covered slopes near Lye Creek Campground, Santa Rosa Range, Humboldt National Forest.

On moist, diffusely lit base of Populus along creek in area of Artemisia scrub with Populus fremontii along stream, Buffalo Creek Canyon about 4 miles east of Hwy. 95, Santa Rosa Range, Humboldt National Forest,

On moist, diffusely lit soil at base of Populus along creek in area of Artemisia scrub with Populus fremontii along stream, Buffalo Creek Canyon about 4 miles east of Hwy. 95, Santa Rosa Range, Humboldt National Forest,

On moist, diffusely lit soil on bank of stream in open alpine scrub at and near the top of Hinkey Summit, Santa Rosa Range, Humboldt National Forest,

On moist, diffusely lit base of Populus in area of Artemisia scrub with Populus fremontii along stream, Buffalo Creek Canyon about 4 miles east of Hwy. 95, Santa Rosa Range, Humboldt National Forest,

On moist, diffusely lit soil among grasses in open alpine scrub at and near the top of Hinkey Summit, Santa Rosa Range, Humboldt National Forest,

On moist, diffusely lit boulder in Artemisia and Chrysothamnus desert in deep ravine on road to Gerlach about 29 miles south of Vya.

On moist, diffusely lit crack in outcrop on low, rocky ridge with Artemisia and Chrysothamnus along Hwy 34 about 12 miles south of Vya.

On flat, sunny limestone on ocean cliff exposed to intense salt spray with dwarfed Picea and an understory of Carex spp. in depressions, Port Aux Port Peninsula near West Bay Centre.

On fairly moist, sunny rock bluff above creek in riverine forest of Populus, Acer macrophyllum and Umbellularia about 1 mile east of Payton Ranch north of Blocksburg.

On very moist, diffusely lit soil in seepage along creek in Quercus chrysolepis and Pseudotsuga forest along West Branch of Jumpoff Creeek west of Surveyor Camp.