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On moist, rather sunny soil among grasses in Caltha and Ericaceae scrub with patches of Tsuga krummholz on lower west slopes of Mt. Eyak, northeast of Cordova, Chugach National Forest.

On moist, shaded vertical humic soil of trailbank in old-growth Tsuga mertensiana, Abies amabilis and Chamaecyparis nootkatensis on steep, north-facing slopes above Harrison and Karnes Lake on Tunnel Creek Trail, SSW of Quilcene, Olympic National Forest.

On moist, diffusely lit boulder along trail in nearly virgin forest of Tsuga and Thuja at Heather Lake south of Verlot, Mount Baker-Snoqualmie National Forest,

On moist, diffusely lit boulder in small rivulet in nearly virgin forest of Tsuga and Thuja at Heather Lake south of Verlot, Mount Baker-Snoqualmie National Forest,

at Heather lake south of Verlot, Mount Baker-Snoqualmie National Forest

On moist, diffusely lit bark of Alnus rubra in old-growth forest of Tsuga heterophylla and Abies grandis at Spider Lake, Olympic National Forest.

On moist, diffusely lit log in old-growth forest of Tsuga heterophylla and Abies grandis at Spider Lake, Olympic National Forest.

On moist, diffusely lit base of large Thuja in forest of very large Tsuga heterophylla and Thuja plicata near Campbell Creek Campground, Olympic National Forest.

On moist, diffusely lit boulder along trail in second-growth forest of Pseudotsuga, Tsuga heterophylla and Thuja plicata on deep canyon of Elliot Creek along Lower Elliot Creek Trail, Mt. Baker-Snohomish National Forest.

On moist, diffusely lit soil in forest of very large Tsuga heterophylla and Abies grandis along Peter Creek Trail in Colonel Bob Wilderness, Olympic National Forest.

On moist, shaded twigs of Lithocarpus in riverine corridor with Sequoia, Umbellularia, and Alnus above the Eel River about 3 miles north of start of Avenue of the Giants.

On moist, sunny flat soil on earthen dam of Pine Pond along Stage Road in Mount Diablo State Park east of Diablo Foothills Regional Park.

On submerged, sunny rock in rivulet in open forest of Pseudotsuga on ridge top east of Mt. Hebo Lookout, east of Pacific City, Siuslaw National Forest.

On very moist, diffusely lit base of Tsuga in forest of Tsuga mertensiana with open boggy meadows and frequent potholes along south fringes of ski-lift trail above Cordova, Chugach National Forest.

On very moist, diffusely lit rock in small streamlet in old second-growth forest of Pseudotsuga menziesii along Robinson Creek Trail at boundary of Pasayten Wilderness of Okanogan National Forest.

On moist, diffusely lit bark of stunted Tsuga in bog in Tsuga mertensiana and Picea sitchensis forest on steep south-facing slopes along Sheridan Glacier Trail, Chugach National Forest.

On moist, diffusely lit bark of Tsuga in bog with Ledum and Kalmia along Hwy. 101 about 2 miles NW of junction Hoh River Road with Hwy. 101,

On moist, diffusely lit organic soil 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 mineral soil of upturned stump in forest of Tsuga mertensiana with open boggy meadows and frequent potholes along south fringes of ski-lift trail above Cordova, Chugach National Forest.

On bark of Alnus in cut-over Sequoia forest at mile 101 along US Hwy. 1 near Rockport.

On moist, diffusely lit crack in marble outcrop in very wet sedge meadow and on adjacent slopes above Mildred Lake about 3.0 miles south of Convict Lake, John Muir Wilderness, Inyo National Forest.

On moist, sunny boulder on roadbank in Pseudotsuga forest in deep canyon along North Fork of the Yuba River at Shenanigan Flats Campground,

On moist, diffusely lit siliceous rock in moist draw along small stream about 2 miles south of Mtn. View Ranch.

On bark of Umbellularia in second-growth Pseudotsuga forest on U.S. Hwy. 101 near Laytonville.

On very moist, diffusely lit sandstone outcrop on steep road cut in landslide area in forest of Thuja plicata, Pseudotsuga menziesii and Tsuga heterophylla along Dry Creek about four miles south of Huelsdonk Ranch,

On moist, diffusely lit siliceous rock in deep river canyon along West Fork of Salmon River near junction with South Fork.

On moist, diffusely lit soil in grove of Tsuga mertensiana in forest of Populus tremuloides and Tsuga mertensiana with open meadows with Salix, ericads and cyperads along trail from Lundy Lake to Helen Lake, west of Mono Lake, Inyo National Forest.

On moist, diffusely lit bark of Abies along trail in forest of Abies concolor with Acer circinatum understory on shores of Castle Lake southwest of Shasta City, Shasta National Forest.

On dry, sunny face of granite boulder in Pinus contorta forest along S. Fork of Tamarack Creek at Hwy. 168 northeast of Shaver Lake, Sierra National Forest.

On moist, diffusely lit bark of Picea sitchensis in old growth forest of Picea sitchensis forest on coastal sands at Rialto Beach Park of Olympic National Park.

On very moist, diffusely lit log along stream in Pinus contorta forest along S. Fork of Tamarack Creek at Hwy. 168 northeast opf Shaver Lake, Sierra National Forest.

On moist, diffusely lit thin soil over metamorphic outcrop of roadcut in open Quercus and Pseudotsuga forest on south facing slopes above road to Salt Springs Reservoir about 10 miles east of Tiger Reservoir.

On submerged, diffusely lit rocks in stream in second-growth forest of Calocedrus, Pinus ponderosa, Pinus lambertiana, Taxus, Pseudotsuga and Abies concolor along McKinney Creek at junction with West Fork about 6 miles S of Hwy. 96 on McKinney Creek Road,

On very moist, diffusely lit rock in seepage in deep canyon with Pseudotsuga menziesii, Abies concolor, and Quercus chrysolepis along Rush Creek about 1 mile below Rush Creek Lakes, Salmon-Trinity Wilderness, Trinity National Forest.

On moist, diffusely lit base of Abies concolor along stream in forest of Pinus ponderosa and Abies concolor in deep gorge along Herring Creek below road 4N12 (WNW of Strawberry).

On moist, diffusely lit bark of Populus in forest of Pinus contorta, Tsuga heterophylla, and Pseudotsuga along Forest Service Road #6701 at Rainy Creek west of Lake Wenatchee, Wenatchee National Forest.

On moist, diffusely lit sandstone boulder in wet and mature forest of Pseudotsuga, Calocedrus and Acer macrophyllum along Forest Service Road 39N07 along Soda Creek about 6 miles northeast of Highway 5 south of Dunsmuir.

On fairly moist, diffusely lit boulder in wet and mature forest of Pseudotsuga, and Calocedrus along road to Castle Lake at Castle Lake Creek SSW of Mt. Shasta City.

On moist, diffusely lit log in forest of Pseudotsuga, Calocedrus and Quercus chrysolepis on serpentine outcrop along Shotgun Creek near North Fork of Shotgun Creek, SSE of Sims.

On moist, diffusely lit recess in lava cliff in forest of Pinus ponderosa and Quercus kelloggii in deep canyon carved into lava area along McCloud River about 5 miles east of McCloud.

On seasonally moist, diffusely lit boulder along river in Quercus kelloggii forest along road to La Panza Campground from Pozo.

On moist, diffusely lit recess in rock cliff on ocean bluff in area of salt spray at Bodega Marine Laboratory of the University of California.

On moist, diffusely lit rock outcrop in stream in chaparral scrub along Highway 175 at South Fork of Scotts Creek, west of Clear Lake.

On moist, diffusely lit base of Pseudotsuga in ridge-top forest of Quercus chrysophylla, Pseudotsuga and Umbellularia along Old Cazadero Road about 4 miles northwest of Greenwood Park.

On very moist, diffusely lit soil in wet meadow in forest of Pinus ponderosa, Calocedrus and Pseudotsuga along Middle Fork of the Tuolumne River at Middle Fork Campground.

On very moist, shaded rocks in Pinus contorta forest and adjacent meadows in Hall Natural Area near Stanford Research Area.

On moist to submerged, diffusely lit soil in small stream in Pinus contorta forest along Pacific Creek at Pacific Valley Campground, Hwy. 4 east of Pacific Grade Summit, Stanislaus National Forest.

On moist, diffusely lit bark of Acer macrophyllum in forest of Pseudotsuga, Calocedrus, Pinus ponderosa and Acer macrophyllum at Indian Springs in Castle Crags State Park.

On moist, diffusely lit log in old-growth forest of Tsuga heterophylla and Thuja plicata at Fall View Campground south of Quilcene on Hwy 101 in Olympic National Forest.

On moist, diffusely lit rock outcrop in old-growth forest of Thuja plicata, Tsuga mertensiana and Pseudotsuga menziesii on steep and very wet north-facing slopes above Johnson Creek at bridge on Forest Road 6520 in Mt. Baker-Snoqualmie National Forest.