Explore

On sunny edge of snowpack in Caltha and Ericaceae scrub with patches of Tsuga krummholz on upper west slopes of Mt. Eyak, northeast of Cordova, Chugach National Forest.

On moist, rather sunny rock along intermittent stream on north slopes below Hurricane Ridge Visitor Center of Olympic National Park.

On moist, diffusely lit soil at base of boulder in very rich mixed conifer forest in deep canyon along Jackson Creek at Callahan to Cecilville Road about 6 miles west of Callahan.

On moist, diffusely lit soil at base of granite boulder in desert scrub on edge of small stream at Cottonwood Springs, Granite Mountains north of Hwy. 40.

On moist, diffusely lit soil bank of old ditch in Populus tremuloides-Betula forest along Poker Creek below junction with Caribou Creek.

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

On temporarily moist, sunny soil in Artemisia scrubland along Hwy. 2 at junction Hwy. 17 about 4 miles west of Coulee City.

On moist, diffusely lit bark of Alnus along river in forest corridor of Alnus rubra and Salix along road 23 at Canyon River, Olympic National Forest.

On moist, diffusely lit soil in Alnus thicket on floodplain in old growth forest of Tsuga heterophylla and Thuja plicata and on adjacent floodplain of Sauk River about 2 miles east of Bedol, Mt. Baker-Snohomish National Forest.

On moist, diffusely lit soil of trail bank 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 face of vertical sandstone outcrop in forest of Quercus agrifolia along Castle Rock Road at border between Diablo Foothills Regional Park and Mount Diablo State Park

On moist, diffusely lit bark of Rhamnus in old growth Tsuga heterophylla, Thuja plicata, and Picea sitchensis forest on bog margins of lake, James Pond near Mora Ranger Station of Olympic National Park.

On moist, diffusely lit humic soil along river in old-growth forest of very large Tsuga heterophylla, Abies grandis and Thuja plicata along Le Bar Creek at Forest Service Road 2353 west of Lake Cushman, Olympic National Forest.

On rather dry, sunny cliff of columnar basalt in open stand of Juniperus on north-facing slope along Forest Service Rd. 3530 about 3 miles northeast of Naneum Meadow. Wenatchee National Forest.

On sunny perennial seep on highway bluff with schistose rocks along Hwy. 299 at Helena road along Trinity River, Shasta National Forest.

On moist, diffusely lit boulder on steep slope near of inlet stream of Pryor Lake in subalpine forest of Pinus contorta, Abies concolor, Abies magnifica, and Tsuga heterophylla on shores and cirque walls in granitic area. Kaiser Wilderness of Sierra Natio

On moist, diffusely lit basaltic outcrop in Tsuga heterophylla, Abies grandis, and Thuja plicata with heavy Sphagnum ground cover along Black Mountain Trail near Ashland Lakes about 7 air miles SSE of Verlot,

On seasonally moist, sunny soil of riverbank in open grassland in Cherry Canyon above major boat anchorage on Santa Rosa Island, Channel Islands National Park.

On moist, diffusely lit bark of Quercus douglasii in area of grassland and chaparral with groves of Quercus douglasii, Quercus lobata and Quercus agrifolia south of Briones-Mount Diablo Trail at China Wall, Mount Diablo State Park

On moist, rather sunny thin soil over outcrop in seaward scrub of Spiraea and Baccharis at Goat Rock State Beach south of Fort Ross.

On very moist, diffusely lit dripping concrete face of dam outflow at abandoned Mud Creek Dam along Forest Service Road 31 at Road 40N56 in forest of Pinus ponderosa and Pseudotsuga on southeast slopes of Mt. Shasta, Shasta Trinity National Forest.

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. Colville National Forest.

On moist, diffusely lit bark of Acer macrophyllum in area of abandoned housing at north boundary of Olympic National Park along Elwha River Road.

On fairly moist, sunny boulder in open Pseudotsuga menziesii and Pinus ponderosa forest along road 9737 along Teanaway Creek, Wenatchee National Forest.

On moist, diffusely lit log 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.

On fairly dry, rather sunny sandstone outcrop in patch of Adenostoma chaparral in Quercus agrifolia forest along West Fork Sycamore Canyon near trail from Lower Rock City, Mt. Diablo State Park.

On moist, diffusely lit soil at shoulder of river cliff in Quercus douglasii forest along Nacimiento River at Twin Bridges , Camp Roberts Military Reservation.

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

On moist, diffusely lit soil along stream near permanent snow pack in very open Pinus albicaulis forest and krummholz in valley above Robinson Lake south of Onion Valley, Inyo National Forest.

On moist, sunny soil among sedges in grass and sedge bog on slope with many seepages along highway 299 at Casberry Flat about one mile west of Hatchet Mtn. Summit.

On submerged, sunny soil in stream in Juniperus and Artemisia woodland along Turner Creek near junction with Pit River about 4.5 miles west of Canby Bridge on Bushey Road west of Canby,

On seasonally fairly moist, diffusely lit soil along trail in area of calcareous sandstone with Quercus agrifolia groves scattered in grassland and chaparral in Lime Ridge County Reserve near northwest corner of Mount Diablo State Park

On occasionally submerged, diffusely lit rock along river in forest of Tsuga heterophylla and Thuja plicata along Cascade Crest Trail at Hwy. 20 just east of boundary of North Cascades National Park, Mt. Baker-Snoqualmie National Forest.

On moist, diffusely lit thin soil on rock ledge in chaparral scrub on serpentine outcrop along Figueroa Mountain Road east of Los Olivos.

On moist, diffusely lit granitic outcrop on road bluff in burned-over forest of Pinus sabiniana, Umbellularia and Quercus chrysolepis with Cercocarpus and Arctostaphylos viscida understory in area of large granitic boulders along road to Hetch-Hetchy Dam

On moist, diffusely lit soil along trail in forest of Pseudotsuga menziesii, Pinus ponderosa, Calocedrus decurrens, and Abies concolor on basaltic outcrop along Squaw Valley Creek, southwest of McCloud, Shasta Trinity National Forest.

On moist, diffusely lit bark of Acer macrophyllum along trail in forest of Pseudotsuga menziesii, Pinus ponderosa, Calocedrus decurrens, and Abies concolor on basaltic outcrop along Squaw Valley Creek, southwest of McCloud, Shasta Trinity National Forest.

On moist, diffusely lit face of steep and high basaltic cliff along trail in forest of Pseudotsuga menziesii, Pinus ponderosa, Calocedrus decurrens, and Abies concolor on basaltic outcrop along Squaw Valley Creek, southwest of McCloud, Shasta Trinity Nati

On very moist, diffusely lit soil in seepage at stream headwaters in sloping alpine meadow with Carex spp. along Steens Loop Road about 21 miles above Page Springs Campground, Malheur National Forest.

On moist, sunny soil of road bank in Pseudotsuga menziesii forest along Gray Creek Road (US Forest Service Road #6N12 about one mile above Highway 299.

On moist, diffusely lit bark of Quercus in open Quercus forest in small ravine surrounded by ridges with low Arctostaphylos about 2 miles east of Lookout Point Ranger Station on road to Mineral King, Sequoia National Park.

On moist, rather sunny bark of Arbutus 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, diffusely lit limestone outcrop in open Quercus forest along Hwy 42 about 15 miles east of Manard.

On moist, diffusely lit outcrop under Pinus in woodland dominated by Juniperus with Cercocarpus and Pinus ponderosa along road to Beaver Mountain from Goose Lake, about 2 air miles north of Enquist Reservoir, Modoc National Forest.

On temporarily moist, sunny boulder in open Quercus savannah about 13 miles east of Redding on Hwy. 44.

On moist, diffusely lit boulder in Quercus chrysolepis and Pseudotsuga forest along West Branch of Jumpoff Creek west of Surveyor Camp.

On moist, rather shaded recess in steep rock wall in open Pinus albicaulis forest with scattered wet meadows on talus slopes east of Dragon Peak and north of Golden Trout Lake, near Onion Valley.

On moist, sunny bark of Quercus in open oak savannah and grassland with scattered Arctostaphylos along road to Alleghany about 4 miles from Hwy 49 (near Wayman Ranch)

On moist, shaded soil at base of east-facing cliff in low bush tundra on top of Haystack Mountain.

On moist, diffusely lit boulder in talus in mixed conifer forest along Granite Creek between Tickner Creek and Blue Granite Lake.