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On moist, diffusely lit thin soil on ledges of strongly layered basaltic rock in forest of Pinus jeffreyi, Pseudotsuga menziesii, Pinus monticola and Abies concolor at Heart Lake, west of Mt. Lassen National Park, Lassen National Forest.

On moist, diffusely lit humic soil along rivulet in forest of Abies concolor over basalt along trail to Heart Lake, west of Mt. Lassen National Park, Lassen National Forest.

On moist, diffusely lit large boulder along rivulet in forest of Abies concolor over basalt along trail to Heart Lake, west of Mt. Lassen National Park, Lassen National Forest.

On moist, diffusely lit soil along trail in forest of Pseudotsuga, Calocedrus, Arbutus and Acer macrophyllum along Forest Service Road 2250 at Greeley Creek, Rogue River National Forest.

On moist, diffusely lit soil in mixed hardwood forest with Pinus along Ground Cedar Trail in Blue Rock State Park, southeast of Zanesville.

On moist, diffusely lit thin soil over boulder in area of open Pinus contorta and sedge meadows along Hwy. 120 about 4 miles east of Tuolumne River Crossing, Yosemite National Park.

On moist, diffusely lit soil in mixed hardwood and Tsuga forest along Cedar Flats Trail in Mohican State Park, southeast of Mansfield.

On moist, shaded humic soil of vertical stream bank in Picea and Quercus forest with Sphagnum and Vaccinium bogs along Flat Rock and Roaring Plains Trail in Dolly Sods Area of Monongahela National Forest, east of Elkins.

On moist, diffusely lit humic soil along small stream in second-growth mixed hardwood forest with dryer ridges occupied by Pinus forest along Bartram Trail from Warwoman Dell east of Clayton along Warwoman Road, Chattahoochee National Forest.

On very moist, sunny seepage on rock outcrop in mixed hardwood and Pinus forest on thin soil over flat-lying sandstone outcrops along Lost Falls Trail in DeSoto State Park near Fort Payne.

On moist, rather sunny vertical face of outcrop of calcareous sandstone in area of sandstone massif in area of pastured grasses with Quercus savannah along road near Wagon Caves west of boundary between of Hunter-Leggett Military Reserve in Los Padres Nat

On moist, diffusely lit mineral soil over sandstone in mixed hardwood and Tsuga forest along Cedar Flats Trail in Mohican State Park, southeast of Mansfield.

On very moist, sunny peaty soil in wetland site with Cyperaceae and Ericaceae on and near north shore of Gold Lake, Plumas National Forest.

On moist, diffusely lit log in patch of Darlingtonia on lake shore in forest of Calocedrus decurrens, Pseudotsuga menziesii, Pinus monticola, Pinus lambertiana and Abies concolor at Cedar Lake, near Mt. Eddy, Shasta-Trinity National Forest.

On seasonally moist, diffusely lit bark of Quercus agrifolia in forest of Quercus agrifolia and Umbellularia along Bear Creek Trail on shores of Briones Reservoir.

On rather dry, sunny thin soil over granite outcrop in forest of Pinus murrayana along Dana Fork at Highway 120 about 2 miles east of eastern edge of Tuolumne Meadow.

On moist, diffusely lit organic soil of river cliff in forest of Populus tremuloides and Pinus contorta along trail from Lundy Lake to Helen Lake, west of Mono Lake, Inyo National Forest.

On seasonally moist, diffusely lit serpentine boulder along upper trail to Lower Deadfall Lake near Mt. Eddy, Shasta-Trinity National Forest.

On moist, diffusely lit granite outcrop in open landslide scar with Artemisia along trail to Lower Deadfall Lake near Mt. Eddy, Shasta-Trinity National Forest.

On very moist to submerged, diffusely lit rock in stream along shores of Gumboot Lake ESE of town of Mt. Shasta, Shasta-Trinity National Forest.

On moist, diffusely lit bark of Populus in second-growth forest of Thuja and Pseudotsuga along Sleeping Beauty Trail #37, Gifford Pinchot National Forest.

On seasonally moist, diffusely lit recess in outcrop on trail bank in area of frequent clouds and fog in recently burned over scrub with Pinus attenuata and understory of Arctostaphylos and Quercus with patches of Abies magnifica forest along Pacific Cres

On moist, diffusely lit humic soil at spring in forest of Pseudotsuga menziesii, Abies concolor, Alnus rhombifolia and Calocedrus decurrens along small tributary of Upper Soda Creek about midway (air distance) between Dunsmuir and McCloud.

On submerged, diffusely lit rock in small stream in wetland opening in Abies magnifica forest along small tributary of Gouch Creek at Forest Service Highway 30 about 2 miles west of Little Baldy, Modoc National Forest.

On moist, diffusely lit log in forest of Pseudotsuga menziesii, Abies concolor, Alnus rhombifolia and Calocedrus decurrens along small tributary of Upper Soda Creek about midway (air distance) between Dunsmuir and McCloud.

On moist, diffusely lit twigs of Acer circinatum in forest of Pseudotsuga menziesii, Abies concolor, Alnus rhombifolia and Calocedrus decurrens along small tributary of Upper Soda Creek about midway (air distance) between Dunsmuir and McCloud.

On fairly dry, diffusely lit overhang of large boulder in forest of Abies magnifica, Tsuga mertensiana and Pinus monticola above U.S.Forest Road 42N16 along outlet stream from Hemlock Lake, Klamath National Forest.

On submerged, diffusely lit soil along creek in Pinus murrayana forest on seasonally submerged border of Bridalveil Creek at Glacier Point Road. Section 13, T3S, R21E.

On moist, diffusely lit rock walls of steep canyon in open mixed conifer forest of Pinus lambertiana, Calocedrus, Pseudotsuga, Alnus rhombifolia, and Acer macrophyllum along Highway 41 at Grouse Creek. Section 8, T3S, R21E.

On moist, shaded steep soil bank of creek in open mixed conifer forest of Pinus lambertiana, Calocedrus, Pseudotsuga, Alnus rhombifolia, and Acer macrophyllum along Highway 41 at Grouse Creek. Section 8, T3S, R21E.

On exposed and sunny thin soil over shale of roadcut along Klamath River about 3 miles north of China Point at mile 49 of Hwy. 96, Klamath National Forest.

On fairly moist, rather sunny peaty soil on lake shore in forest of Calocedrus decurrens, Pseudotsuga menziesii, Pinus monticola, Pinus lambertiana and Abies concolor at Cedar Lake, near Mt. Eddy, Shasta-Trinity National Forest.

On moist, diffusely lit log in Pinus ponderosa, Calocedrus decurrens and Pseudotsuga forest along Beaver Creek near junction with Trapper Creek, Klamath National Forest.

On moist, diffusely lit boulder along river in Alnus corridor in Pinus ponderosa, Calocedrus decurrens and Pseudotsuga forest along Beaver Creek near junction with Dutch Creek, Klamath National Forest.

On moist, diffusely lit vertical face of outcrop in Alnus corridor in Pinus ponderosa, Calocedrus decurrens and Pseudotsuga forest along Beaver Creek near junction with Dutch Creek, Klamath National Forest.

On moist, diffusely lit log beside Robertson Creek in Quercus savannah along road to headquarters of Hastings Reservation of the University of California at Carmel Valley Road.

On moist, diffusely lit recess in vertical cliff in forest of Pinus ponderosa, Calocedrus and Pseudotsuga along Middle Fork of the Tuolumne River at Middle Fork Campground.

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

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

On dry, sunny rock outcrop on west-facing hillside east of Spring Lake in forest of Quercus, Umbellularia and Pseudotsuga in Spring Lake Regional Park east of Santa Rosa.

On very moist, diffusely lit humic soil in open forest of Pseudotsuga menziesii, Calocedrus decurrens, Abies concolor and Pinus lambertiana over serpentine outcrops along Forest Service Road 39N82 at Smith Creek, Shasta-Trinity National Forest.

On moist, shaded recess in rock outcrop along trail to first Twin Lake above ephemeral pond in open forest of Pinus murrayana at end of road to Twin Lakes, Shasta-Trinity National Forest.

On very moist, diffusely lit organic soil on bank of rivulet in area of Abies magnifica forest with very moist mountain meadows along shores of Cave Lake, Modoc National Forest.

On moist, rather shaded creekbank in cut-over bottomland forest of Sequoia and Lithocarpus with dense understory of Vaccinium along Hwy 9 near San Lorenzo Park north of Boulder Creek.

On moist, rather sunny rocks in deep canyon at North Falls in Silver Falls State Park. Elev.: 430 M

On rocks in small falls along small stream in Sequoia sempervirens forest with Torreya californica understory about 6 miles east of Fort Bragg.

On moist, diffusely lit steep face of organic soil along trail in black spruce muskeg on collapsed pingo and surrounding north-facing slopes just above junction of Poker and Caribou Creeks.

On fairly moist, diffusely lit boulder sheltered from direct precipitation in Abies concolor, Abies magnifica and Pinus jeffreyi forest on steep slopes above Bear Lake, Klamath National Forest.

On fairly dry, sunny top of boulder in Quercus chrysolepis and Pseudotsuga forest along West Branch of Jumpoff Creek west of Surveyor Camp.

On moist, diffusely lit boulder in primary-growth forest of Pseudotsuga and Calocedrus on steep slopes along Pacific Crest Trail at Cold Springs near Huckleberry Mountain (south of Happy Camp),