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Accession Results — 192 records retrieved
Results for search: Scientific name=Porella navicularis; Source=All;
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Accession ID Determination Collector Collection Date Collection Number County / State Locality Elevation in meters Feedback
DHN10096  Porella navicularis D. H. Norris 25 October 1968 10096 Siskiyou / CA On moist, diffuseely lit base of Quercus chrysolepis in Quercus chrysolepis forest along South Fork of Salmon River near junction with West Fork. Comment
DHN10122  Porella navicularis D. H. Norris 25 October 1968 10122 Siskiyou / CA On moist, diffusely lit siliceous boulder along West Fork of Salmon River near junction with South Fork. Comment
DHN101279  Porella navicularis D. H. Norris 27 March 2001 101279 Snohomish / WA On moist, diffusely lit twigs of Cornus in nearly virgin forest of Tsuga and Thuja at Heather Lake south of Verlot, Mount Baker-Snoqualmie National Forest, 700 Comment
DHN101860  Porella navicularis D. H. Norris 9 May 2001 101860 Snohomish / WA On moist, rather shaded twigs of Acer macrophyllum 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. 600 Comment
DHN10222  Porella navicularis D. H. Norris 4 January 1969 10222 Humboldt / CA On base of Alnus in cut-over forest of Sequoia sempervirens along Greenwood Heights Road about 3 miles east of Freshwater Corners. 350 Comment
DHN10270  Porella navicularis D. H. Norris 14 January 1969 10270 Humboldt / CA On moist, diffusely lit bark of Alnus in forest of Thujs, Picea. Abies and Pseudotsuga on road to Petrolia about 4 miles south of Ferndale. 350 Comment
DHN10306  Porella navicularis D. H. Norris 14 January 1969 10306 Humboldt / CA On moist, sunny bark of Acer macrophyllum in forest of Thuja, Picea. Abies and Pseudotsuga on road to Petrolia about 4 miles south of Ferndale. 350 Comment
DHN103075  Porella navicularis D. H. Norris 11 November 2001 103075 Siskiyou / CA On moist, diffusely lit bark of Alnus in forest of Pseudotsuga and Quercus chrysolepis along Bear Creek Trail about 2 miles east of Elk River Road, Klamath National Forest. 1200 Comment
DHN103091  Porella navicularis D. H. Norris 11 November 2001 103091 Siskiyou / CA On moist, diffusely lit rock outcrop on vertical streamcut in forest of Pseudotsuga and Quercus chrysolepis along Bear Creek Trail about 2 miles east of Elk River Road, Klamath National Forest. 1200 Comment
DHN10314  Porella navicularis D. H. Norris 14 January 1969 10314 Humboldt / CA On twigs of Holodiscus in grassy meadow in forest of Thuja, Picea. Abies and Pseudotsuga on road to Petrolia about 4 miles south of Ferndale. 350 Comment
DHN10332  Porella navicularis D. H. Norris 14 January 1969 10332 Humboldt / CA On moist, rather shaded base of Quercus chrysolepis in open Quercus forest about 1 mile north of Honeydew. 450 Comment
DHN103517  Porella navicularis D. H. Norris 13 February 2002 103517 Sonoma / CA On moist, diffusely bark of Alnus in narrow oceanside ravine with Pinus muricata and Alnus in Duran County Park near Bodega Marine Laboratory of the University of California. 0 Comment
DHN10419  Porella navicularis D. H. Norris 1 March 1969 10419 Siskiyou / CA On moist, diffusely lit phyllite on banks of Cedar Creek at junction with 650 Comment
DHN10438  Porella navicularis D. H. Norris 1 March 1969 10438 Siskiyou / CA On moist, diffusely lit phyllite in seepage area in open and cut-over Pseudotsuga forest along Cedar Creek at junction with Willow Creek about 4 miles east of Berry Summit, 650 Comment
DHN104459  Porella navicularis D. H. Norris, Nancy Hillyard 18 September 2002 104459 Skamania / WA On moist, diffusely lit vertical face of rock outcrop in second-growth forest of Thuja and Pseudotsuga along Sleeping Beauty Trail #37, Gifford Pinchot National Forest. 850 Comment
DHN105144  Porella navicularis D. H. Norris, Nancy Hillyard 8 December 2002 105144 Contra Costa / CA On moist, diffusely lit bark of Quercus agrifolia in open forest of Quercus agrifolia with scattered Eucalyptus globulus and with understory of Vaccinium in deep canyon in Huckleberry Regional Reserve. 350 Comment
DHN10713  Porella navicularis D. H. Norris 13 April 1969 10713 Trinity / CA On moist, diffusely lit siliceous boulder in open Pseudotsuga and Quercus forest near Denny. 450 Comment
DHN10777  Porella navicularis D. H. Norris 20 April 1969 10777 Humboldt / CA On fairly moist, rather sunny bark of Fraxinus along Redwood Creek west of Redway. 150 Comment
DHN10782  Porella navicularis D. H. Norris 20 April 1969 10782 Humboldt / CA On rather dry, diffusely lit siliceous rock in Lithocarpus-Pseudotsuga forest in Tolkan Recreation Area about 5 miles north of Shelter Cove on Horse Mountain Road. 550 Comment
DHN10845  Porella navicularis D. H. Norris 20 April 1969 10845 Humboldt / CA On moist, diffusely lit limbs of Lithocarpus in Pseudotsuga forest with Arctostaphylos understory about 1.5 miles south of King's Peak. 900 Comment
DHN108632A  Porella navicularis D. H. Norris, Nancy Hillyard 20 March 2005 108632 Coos / OR On moist, shaded bark of Alnus in swale in dune forest of Pinus, Arbutus and Myrica in area of scrub and meadows seasonally inundated; about 9 miles south of Bandon between Bureau of Land Management parking area and access road to Croft Lake. 10 Comment
DHN10888  Porella navicularis D. H. Norris 4 May 1969 10888 Del Norte / CA On moist, diffusely lit muddy seepage on siliceous boulder along river in Lithocarpus and Pseudotsuga forest along Hardscrabble Creek at Smith River, west of Gasquet, Six Rivers National Forest. 200 Comment
DHN108898  Porella navicularis D. H. Norris, J. Shevock 22 April 2006 108898 Josephine / OR On moist, diffusely lit, frequently flooded branches of Alnus along creek in forest of Pinus jeffreyi and Calocedrus decurrens with scattered Quercus over serpentine bedrock on unnamed tributary of Althouse Creek about 6 airmiles SE of Cave Junction, 650 Comment
DHN10895  Porella navicularis D. H. Norris 12 May 1969 10895 Trinity / CA On moist, diffusely lit bark of Taxus in cut-over Pinus ponderosa, Calocedrus forest along Underwood Mountain Road near junction of road to Big Lake, 900 Comment
DHN109376  Porella navicularis D. H. Norris 5 September 2006 109376 Marion / OR On moist, diffusely lit bark of Alnus in very rich mixed conifer forest along US Forest Service Road 2209 at trailhead for Opal Creek Ancient Forest Center, Willamette National Forest. 610 Comment
DHN11678  Porella navicularis D. H. Norris February 1970 11678 Humboldt / CA On top of partially shaded boulder on talus slope on west-facing vertical cliff on large rock outcrop about 1 mile east of Kneeland Airport on Mountain View Road. 700 Comment
DHN11682  Porella navicularis D. H. Norris February 1970 11682 Humboldt / CA On horizontal limb of Quercus in open area on west-facing vertical cliff on large rock outcrop about 1 mile east of Kneeland Airport on Mountain View Road. 700 Comment
DHN11750  Porella navicularis D. H. Norris March 1970 11750 Mendocino / CA On moist, diffusely lit bark of Cupressus in Cupressus pygmaea forest along road 409 about 1 mile east of Hwy 1 south of Fort Bragg. 50 Comment
DHN11773  Porella navicularis D. H. Norris March 1970 11773 Mendocino / CA On moist, diffusely lit bark of leaning trunk of Lithocarpus densifolius in Abies grandis forest at end of Summers Lane near Fort Bragg. 50 Comment
DHN11853  Porella navicularis D. H. Norris April 1970 11853 Siskiyou / CA On moist, diffusely lit bark of Quercus in mixed evergreen forest near Idlewyld Campground about 5 miles east of Sawyer's Bar on road to Etna. 700 Comment
DHN11867  Porella navicularis D. H. Norris April 1970 11867 Siskiyou / CA In mixed evergreen forest near Idlewyld Campground about 5 miles east of Sawyer's Bar on road to Etna. 700 Comment
DHN11963  Porella navicularis D. H. Norris 13 April 1970 11963 Humboldt / CA On fairly moist, rather sunny bark of Quercus in Quercus and Pseudotsuga menziesii forest along Trinity River at Tish Tang Campround near Hoopa, Six Rivers National Forest. 150 Comment
DHN12019  Porella navicularis D. H. Norris 13 April 1970 12019 Humboldt / CA On fairly moist, diffusely lit cliff near stream in open Quercus and Pseudotsuga forest along Trinity River at Tish Tang Campground south of Hoopa. 200 Comment
DHN12056  Porella navicularis D. H. Norris March 1970 12056 Mendocino / CA On moist, rather shaded bark of Cupressus in Pseudotsuga menziesii forest with Vaccinium ovatum understory on Caspar soil about 2 miles east of Fort Bragg. (D. K. Smith Ecol. Plot #40) 50 Comment
DHN12093  Porella navicularis D. H. Norris April 1970 12093 Mendocino / CA On fairly moist, diffusely lit bark of Aesculus in open Quercus forest on large outcropping rock about 5 miles northwest of Boonville on Highway 258 near Indian Creek Road. Comment
DHN12204  Porella navicularis D. H. Norris 20 May 1970 12204 Humboldt / CA On moist, diffusely lit bark of Quercus in open Pinus jeffreyi and Calocedrus forest on serpentine outcrop on Big Hill Road east of Hoopa, 1200 Comment
DHN12225  Porella navicularis D. H. Norris 20 May 1970 12225 Humboldt / CA On moist, diffusely lit bark of Lithocarpus in Pseudotsuga menziesii-Lithocarpus forest along Big Hill Road about 14 miles east of Hoopa. Comment
DHN18876  Porella navicularis D. H. Norris 16 January 1971 18876 Humboldt / CA On bark of Alnus at crest of ridge in Picea sitchensis forest in Patricks Point State Park. 50 Comment
DHN18883  Porella navicularis D. H. Norris 11 March 1971 18883 Humboldt / CA On moist, diffusely lit bark of Acer macrophyllum in Acer macrophyllum and Alnus corridor along creek about 8 miles southeast of Kneeland Post Office. 550 Comment
DHN19607  Porella navicularis D. H. Norris July 1971 19607 Humboldt / CA On bark of Alnus in Alnus and Salix scrub on floodplain of Van Dusen River about 3 miles east of Carlotta. 50 Comment
DHN19769  Porella navicularis D. H. Norris December 1971 19769 Humboldt / CA On moist, rather shaded soil at base of Sequoia in riverine corridor in Sequoia forest along Hwy. 254 (Avenue of the Giants) at Stephens Grove about one mile north of Miranda. 150 Comment
DHN21615  Porella navicularis D. H. Norris 25 February 1972 21615 Mendocino / CA On moist, diffusely lit bark of Quercus chrysolepis in open forest of Calocedrus, Pseudotsuga, Quercus and Arctostaphylos along Highway 101 at Cummings Exit (milepost 84.91). 650 Comment
DHN21666  Porella navicularis D. H. Norris 25 February 1972 21666 Mendocino / CA On moist, diffusely lit boulder in Calocedrus, Pseudotsuga, Quercus and Arctostaphylos forest along Highway 101 at Cummings Exit (milepost 84.91). 650 Comment
DHN21710  Porella navicularis D. H. Norris 25 February 1972 21710 Mendocino / CA On moist, rather shaded bark of Umbellularia in open Quercus forest in deep canyon along Covelo Road about 3.1 miles NE of Longvale. 400 Comment
DHN22223  Porella navicularis D. H. Norris 8 April 1972 22223 Humboldt / CA On moist, diffusely lit bark of Castanopsis in mixed evergreen forest near Fish Lake above Weitchpec. 600 Comment
DHN22320  Porella navicularis D. H. Norris 15 April 1972 22320 Humboldt / CA On moist, diffusely lit bark of Quercus in cut-over Pseudotsuga forest with grassy understory near Coyote Peak on Bald Hills Road. Comment
DHN22773  Porella navicularis D. H. Norris, F. J. Hermann 18 May 1972 22773 Siskiyou / CA On fairly moist, rather sunny boulder in Pseudotsuga and Quercus chrysolepis forest along Salmon River at Nordheimer Creek west of Forks of Salmon. 600 Comment
DHN22776  Porella navicularis D. H. Norris, F. J. Hermann 18 May 1972 22776 Siskiyou / CA On moist, diffusely lit bark of Quercus chrysolepis in Pseudotsuga and Quercus chrysolepis forest along Salmon River at Nordheimer Creek west of Forks of Salmon. 600 Comment
DHN22791  Porella navicularis D. H. Norris, F. J. Hermann 18 May 1972 22791 Siskiyou / CA On moist, diffusely lit bark of Quercus in Pseudotsuga and Quercus chrysolepis forest along Salmon River at Nordheimer Creek west of Forks of Salmon. 600 Comment
DHN23103  Porella navicularis D. H. Norris 23 July 1972 23103 Del Norte / CA On moist, diffusely lit log in virgin Sequoia sempervirens forest along Mill Creek in Jedediah Smith State Park. 100 Comment
DHN23894  Porella navicularis D. H. Norris 7 April 1973 23894 Humboldt / CA On moist, shaded boulder in scrubby thicket of Vaccinium, Garrya, and Alnus with scattered groves of Picea sitchensis on steep, ocean-facing slope near Abalone Point, Patricks Point State Park. 0 to 60 Comment
DHN23906  Porella navicularis D. H. Norris 7 April 1973 23906 Humboldt / CA On moist, diffusely lit bark of Alnus in scrubby thicket of Vaccinium, Garrya, and Alnus with scattered groves of Picea sitchensis on steep, ocean-facing slope near Abalone Point, Patricks Point State Park. 0 to 60 Comment
DHN23931  Porella navicularis D. H. Norris 21 April 1973 23931 Trinity / CA On moist, diffusely lit bark of Quercus chrysolepis in open Quercus forest along New River between Denny and Mills Creek. 450 Comment
DHN24109  Porella navicularis D. H. Norris 13 May 1973 24109 Humboldt / CA On moist, diffusely lit bark of Aesculus in coastal scrub along Domingo Creek at Petrolia Road. Sect. 23, T1S, R3W. 0 Comment
DHN24271  Porella navicularis D. H. Norris 8 June 1973 24271 Humboldt / CA On moist, diffusely lit bark of Quercus in open Quercus forest on grassy slopes near Schoolhouse Peak. 700 Comment
DHN45805  Porella navicularis D. H. Norris 2 November 1974 45805 Humboldt / CA On moist, diffusely lit bark of Alnus along creek in Pseudotsuga, Abies grandis, and Calocedrus forest along Grouse Mtn. Rd. about 3 miles northeast of Horse Mountain Road. Comment
DHN46108  Porella navicularis D. H. Norris 12 April 1975 46108 Trinity / CA On moist, diffusely lit boulder near creek in Pinus sabiniana, and Quercus chrysolepis forest along Hwy. 299 about one mile east of Big Bar. 300 Comment
DHN46109  Porella navicularis D. H. Norris 12 April 1975 46109 Trinity / CA On moist, diffusely lit bark of Cornus nuttallii near creek in Pinus sabiniana, and Quercus chrysolepis forest along Hwy. 299 about one mile east of Big Bar. 300 Comment
DHN46113  Porella navicularis D. H. Norris 12 April 1975 46113 Trinity / CA On moist, diffusely lit boulder near creek in Pinus sabiniana, and Quercus chrysolepis forest along Hwy. 299 about one mile east of Big Bar. 300 Comment
DHN46136  Porella navicularis D. H. Norris 12 April 1975 46136 Trinity / CA On moist, diffusely lit bark of Pseudotsuga in Pseudotsuga forest at Big French Creek campground along Highway 299 west of Big Bar. 300 Comment
DHN46169  Porella navicularis D. H. Norris 12 April 1975 46169 Humboldt / CA On moist, rather shaded bark of Alnus in Lithocarpus forest along Hwy. 299 about 2 miles west of Lord Ellis Summit (west of Willow Creek). Trinity National Forest. Comment
DHN46203  Porella navicularis D. H. Norris 13 April 1975 46203 Del Norte / CA On moist, diffusely lit steep face of outcrop in Pseudotsuga and Quercus chrysolepis forest along Smith River at Little Jones Creek, 300 Comment
DHN47062  Porella navicularis D. H. Norris January 1976 47062 Humboldt / CA On moist, diffusely lit log in steep ravine with Quercus chrysolepis and Pseudotsuga along Redwood Creek near intersection with Hwy. 299. 250 Comment
DHN47145  Porella navicularis D. H. Norris 6 February 1976 47145 Mendocino / CA 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, 400-700 Comment
DHN47284  Porella navicularis D. H. Norris 21 February 1976 47284 Humboldt / CA On moist, diffusely lit bark of Acer macrophyllum in open Quercus forest along Trinity River at Tish Tang Campround near Hoopa, Six Rivers National Forest. 150 Comment
DHN48059  Porella navicularis D. H. Norris 28 November 1976 48059 Mendocino / CA On moist, diffusely lit soil of eroded stream bank in Populus fremontii and Alnus forest along Eel River at Hwy. 101 about 6 miles south of Leggett. Comment
DHN48074  Porella navicularis D. H. Norris 28 November 1976 48074 Humboldt / CA On moist, diffusely lit bark of Fraxinus in open Populus fremontii forest with very heavy Baccharis understory along Eel River at Stephens Grove about 2 miles north of Miranda. 90 Comment
DHN50394  Porella navicularis D. H. Norris 29 October 1977 50394 Humboldt / CA On moist, diffusely lit bark of Pseudotsuga in Pseudotsuga forest on shores of Lake Prairie, 1100 Comment
DHN51170  Porella navicularis D. H. Norris, D. Stout 28 April 1978 51170 Josephine / OR On moist, diffusely lit soil in Calocedrus and Pseudotsuga forest on steep, north-facing slopes along road to Babyfoot Lake near Fiddler Mountain, about 7 miles west of Hwy. 199.Siskiyou National Forest. Comment
DHN52205  Porella navicularis D. H. Norris 15 September 1978 52205 Siskiyou / CA On moist, diffusely lit thin soil over boulder in Quercus chrysolepis and Pseudotsuga forest along Elk Creek at Malone Creek south of Happy Camp. 500 Comment
DHN52696  Porella navicularis D. H. Norris 7 April 1979 52696 Humboldt / CA On moist, diffusely lit bark of 650-750 Comment
DHN52945  Porella navicularis D. H. Norris 24 May 1979 52945 Humboldt / CA On moist, diffusely lit bark of Acer macrophyllum in old second-growth forest of Lithocarpus and Pseudotsuga about one mile east of Ashfield Butte,, 550-750 Comment
DHN53129  Porella navicularis D. H. Norris 27 June 1979 53129 Mendocino / CA On moist, diffusely lit bark of Quercus in riverine forest with Sequoia and Quercus along Greenwood Ridge Road at Navarro River near entrance to Hendy Woods State Park, 100 Comment
DHN53165  Porella navicularis D. H. Norris 28 June 1979 53165 Sonoma / CA On moist, diffusely lit bark of Alnus in Sequoia and Pseudotsuga forest along moist canyon, Pocket Canyon, west of Forestville, 60 Comment
DHN53258  Porella navicularis D. H. Norris 29 June 1979 53258 Mendocino / CA On moist, diffusely lit bark of Alnus in second-growth Sequoia forest on upper reaches of Mill Creek. 450 Comment
DHN55115  Porella navicularis D. H. Norris 14 October 1979 55115 Humboldt / CA On moist, diffusely lit bark of Alnus in cut-over Sequoia forest with Alnus rubra on steep rocky bluff above quarry at end of Quarry Road. 100 Comment
DHN55603  Porella navicularis D. H. Norris 19 January 1980 55603 Santa Cruz / CA On moist, diffusely lit bark of Lithocarpus on large sandstone dome in Sequoia sempervirens amd Lithocarpus forest along highway 9 about 1.5 miles north of Boulder Creek. 200 Comment
DHN55633  Porella navicularis D. H. Norris 19 January 1980 55633 Santa Cruz / CA On moist, diffusely lit bark of Acer macrophyllum in old second-growth Sequoia sempervirens forest in deep river canyon in Nicene Marks State Park north of Aptos. Comment
DHN55668  Porella navicularis D. H. Norris 19 January 1980 55668 Santa Cruz / CA On moist, diffusely lit bark of Quercus in cut-over Sequoia forest with scattered grassy meadows on campus of the University of California, Santa Cruz. 220 Comment
DHN55703  Porella navicularis D. H. Norris 19 March 1980 55703 Del Norte / CA On moist, diffusely lit bark of Quercus chrysolepis in serpentine area of open Calocedrus, Pinus attenuata, Quercus chrysolepis and Castanopsis along Gasquet Toll Road at Eighteen Mile Creek. 450 Comment
DHN56123  Porella navicularis D. H. Norris 28 March 1980 56123 Trinity / CA On moist, diffusely lit bark of Quercus in Quercus and Pseudotsuga forest in deep canyon along Hayfork Creek about 8 miles west of Hayfork, 650 Comment
DHN56173  Porella navicularis D. H. Norris 28 March 1980 56173 Trinity / CA On moist, diffusely lit bark of Quercus chrysolepis in Pseudotsuga forest with Acer macrophyllum along river corridor along Big Canyon at Hayfork Creek, 700 Comment
DHN56209  Porella navicularis D. H. Norris 5 April 1980 56209 Humboldt / CA On moist, diffusely lit bark of Umbellularia in Pseudotsuga and Lithocarpus forest on large sandstone outcrop about 1 mile SW of Eel Rock, 450 Comment
DHN56245  Porella navicularis D. H. Norris 5 April 1980 56245 Humboldt / CA On moist, diffusely lit bark of Quercus chrysolepis in large Pseudotsuga, Arbutus and Quercus forest at junction of Mail Ridge Road with Eel Rock Road, 700 Comment
DHN56337  Porella navicularis D. H. Norris 6 April 1980 56337 Humboldt / CA On moist, diffusely lit bark of Lithocarpus in very rich mixed conifer forest on shores of Blue Lake north of Weitchpec, 900 Comment
DHN56422  Porella navicularis D. H. Norris 6 April 1980 56422 Humboldt / CA On moist, diffusely lit trunk of Quercus chrysolepis in very rich forest of Quercus and Pseudotsuga on steep, south-facing slopes of sandstone bluff on Slate Creek Road about 2.5 miles north of Highway 96. 650 Comment
DHN56483  Porella navicularis D. H. Norris 12 April 1980 56483 Humboldt / CA On moist, diffusely lit bark of Quercus chrysolepis in Pseudotsuga forest in very deep and moist canyon of Goose Creek. 700-800 Comment
DHN56564  Porella navicularis D. H. Norris 13 April 1980 56564 Trinity / CA On moist, diffusely lit branches of Taxus in rich mixed conifer, Castanopsis and Lithocarpus forest along Hwy. 36 at Swift Creek. 950 Comment
DHN56799  Porella navicularis D. H. Norris 3 May 1980 56799 Humboldt / CA On moist, diffusely lit bark of Rhamnus in virgin Sequoia forest along Ten Taypo Trail in Prairie Creek Redwoods State Park. 150 Comment
DHN67285  Porella navicularis D. H. Norris 18 October 1981 67285 Del Norte / CA On moist, diffusely lit serpentine outcrop in Quercus chrysolepis and Pseudotsuga forest with dense understory of Arctostaphylos along Myrtle Creek at Smith River. 90 Comment
DHN67293  Porella navicularis D. H. Norris 18 October 1981 67293 Del Norte / CA On moist, diffusely lit bark of Umbellularia in Quercus chrysolepis and Pseudotsuga forest with dense understory of Arctostaphylos along Myrtle Creek at Smith River. 90 Comment
DHN67586  Porella navicularis D. H. Norris 17 January 1982 67586 Mendocino / CA On moist, diffusely lit bark of Quercus in riverine corridor with Umbellularia, Acer macrophyllum and Salix along Outlet creek about 2 miles south of Willits. 200 Comment
DHN67606  Porella navicularis D. H. Norris 17 January 1982 67606 Mendocino / CA On moist, diffusely lit bark of Acer macrophyllum in riverine corridor with Umbellularia, Acer macrophyllum and Salix along Outlet creek about 2 miles south of Willits. 200 Comment
DHN67634  Porella navicularis D. H. Norris 17 January 1982 67634 Mendocino / CA On fairly moist, rather sunny outcrop in Pseudotsuga forest on serpentine outcrop along Zenia to Covelo Road about 9 miles north of Covelo. 1000 Comment
DHN68314  Porella navicularis D. H. Norris 20 March 1983 68314 Humboldt / CA On moist, diffusely lit log on ridge in Lithocarpus-Pseudotsuga forest at top of ridge along Kneeland to Bridgeville Road about 2 miles south of Kneeland. 700 Comment
DHN68332  Porella navicularis D. H. Norris 20 March 1983 68332 Humboldt / CA On moist, diffusely lit bark of Acer macrophyllum in Lithocarpus-Pseudotsuga forest at top of ridge along Kneeland to Bridgeville Road about 2 miles south of Kneeland. 700 Comment
DHN68719  Porella navicularis D. H. Norris 23 April 1983 68719 Trinity / CA On moist, diffusely lit bark of Castanopsis in mixed conifer forest in deep canyon along Highway 36 at Clear Creek about 3 miles west of Forest Glen. 800 Comment
DHN68756  Porella navicularis D. H. Norris 1 May 1983 68756 Humboldt / CA On moist, diffusely lit high branch of Pseudotsuga in second-growth Sequoia sempervirens forest in deep canyon along road through Arcata City forest about 1 mile from Fickle Hill Road. 60 Comment
DHN69873  Porella navicularis D. H. Norris 28 December 1983 69873 Coos / OR On moist, diffusely lit bark of Alnus in forest of Pseudotsuga, Tsuga and Thuja with Vaccinium understory on stabilized sanddunes along trails in Umpqua Lighthouse State Park, south of Reedsport. near 0 Comment
DHN69993  Porella navicularis D. H. Norris 28 January 1984 69993 Plumas / CA On moist, diffusely lit outcrop in riverine corridor forest along Chipps Creek at Highway 70 west of Belden. 1300 Comment
DHN70367  Porella navicularis D. H. Norris 13 April 1984 70367 Del Norte / CA On moist, diffusely lit bark of Alnus in very moist coastal forest of Pseudotuga, Alnus and Picea sitchensis along Coastal Trail between False Klamath Cove and Requa, Redwood National Park, 100 Comment
DHN70612  Porella navicularis D. H. Norris 21 May 1984 70612 Humboldt / CA On moist, diffusely lit outcrop in rich mixed conifer forest along US Forest Service Road 10N02 at head of Mill Creek. 1400 Comment
DHN70703  Porella navicularis D. H. Norris 12 June 1984 70703 Trinity / CA On moist, diffusely lit bark of Acer macrophyllum in rich Pseudotsuga forest along Swede Creek Road about one mile north of intersection with road to Ironside Mtn. Lookout. 1100 Comment
DHN70709  Porella navicularis D. H. Norris 12 June 1984 70709 Trinity / CA On moist, diffusely lit limestone outcrop in rich Pseudotsuga forest along Swede Creek Road about one mile north of intersection with road to Ironside Mtn. Lookout. 1100 Comment
DHN71806  Porella navicularis D. H. Norris 22 December 1984 71806 Marin / CA On moist, rather shaded soil of roadbank in old-growth Pseudotsuga forest along trail near Mud Lake, Point Reyes National Seashore. 300-400 Comment
DHN71814  Porella navicularis D. H. Norris 22 December 1984 71814 Marin / CA On moist, rather shaded bark of Umbellularia in old-growth Pseudotsuga forest along trail near Mud Lake, Point Reyes National Seashore. 300-400 Comment
DHN71821  Porella navicularis D. H. Norris 22 December 1984 71821 Marin / CA On moist, sunny bark of dead shrub in old-growth Pseudotsuga forest along trail near Mud Lake, Point Reyes National Seashore. 300-400 Comment
DHN71849  Porella navicularis D. H. Norris 22 December 1984 71849 Marin / CA On moist, diffusely lit bark of Alnus in wet second-growth with Alnus and Sequoia along creek near Five Brooks Trailhead, Point Reyes National Seashore. 30-90 Comment
DHN72120  Porella navicularis D. H. Norris 3 February 1985 72120 Mendocino / CA On moist, diffusely lit bark of Quercus chrysolepis on open grassy slope with Quercus, Aesculus, and Toxicodendron above the Eel River about 3 miles south of Piercy. 200 Comment
DHN72165  Porella navicularis D. H. Norris 3 February 1985 72165 Humboldt / CA On moist, diffusely lit bark high in Alnus in riverine corridor with Sequoia, Umbellularia and Alnus above the Eel River about 3 miles north of the start of Avenue of the Giants. 75 Comment
DHN72177  Porella navicularis D. H. Norris 3 February 1985 72177 Humboldt / CA 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. 80 Comment
DHN72232  Porella navicularis D. H. Norris 16 February 1985 72232 Siskiyou / CA On moist, diffusely lit bark of Quercus chrysolepis in deep canyon with Quercus chrysolepis and Alnus along Klamath River at Oak Flat Creek. 300 Comment
DHN72233  Porella navicularis D. H. Norris 16 February 1985 72233 Siskiyou / CA On moist, diffusely lit bark of Quercus chrysolepis in deep canyon with Quercus chrysolepis and Alnus along Klamath River at Oak Flat Creek. 300 Comment
DHN72614  Porella navicularis D. H. Norris 13 January 1987 72614 Mendocino / CA On moist, diffusely lit soil along road in dense chaparral of Arctostaphylos and Adenostoma with scattered Quercus, Pinus attenuata, and Arbutus along BLM road to Red Mountain, east of Ukiah. 800 Comment
DHN72814  Porella navicularis D. H. Norris 6 February 1987 72814 Trinity / CA On moist, frequently fog shrouded, diffusely lit bark of small Lithocarpus at top of ridge in very rich virgin forest of Lithocarpus and Pseudotsuga on low ridge at end of South Fork Road along South Fork of Trinity River. 900 Comment
DHN72863  Porella navicularis D. H. Norris 6 February 1987 72863 Trinity / CA On moist, diffusely lit vertical roadbank in moist bottomland forest with Acer macrophyllum and Pseudotsuga along South Fork Road at South Fork of Trinity River about 5 miles south of Hwy. 299. 300 Comment
DHN74139  Porella navicularis D. H. Norris 5 April 1989 74139 Del Norte / CA On moist, diffusely lit bark of Quercus 1600 Comment
DHN74159  Porella navicularis D. H. Norris 5 April 1989 74159 Del Norte / CA On moist, diffusely lit bark of Castanopsis in Pseudotsuga, and Arbutus forest on low ridge about 3 miles from Big Flat on the Gasquet-Orleans Rd., 900 Comment
DHN75786  Porella navicularis D. H. Norris 31 October 1989 75786 Siskiyou / CA On moist, diffusely lit bark of Acer macrophyllum along stream in second-growth forest of Pseudotsuga menziesii and Alnus near West Branch Campground on Happy Camp-Obrien Road (northwest of Happy Camp). 600 Comment
DHN7716  Porella navicularis D. H. Norris 24 September 1967 7716 Del Norte / CA On fairly moist, rather shaded boulder in partially cut-over Pseudotsuga forest on Knopti Creek Road about 9 miles east of U.S. Hwy. 199. 600 Comment
DHN7723  Porella navicularis D. H. Norris 24 September 1967 7723 Del Norte / CA On fairly moist, diffusely lit bark of Lithocarpus in partially cut-over Pseudotsuga forest on Knopti Creek Road about 9 miles east of U.S. Hwy. 199. 600 Comment
DHN77260  Porella navicularis D. H. Norris 20 October 1991 77260 Trinity / CA On moist, diffusely bark of Quercus gambelii in heavily fog-prone ridge with Quercus chrysolepis, Arbutus, and Pseudotsuga on serpentine in old scree area of large boulders along Hennessy Ridge Road about one mile west of eastern border of Six Rivers Nati 1000 Comment
DHN7730  Porella navicularis D. H. Norris 24 September 1967 7730 Del Norte / CA On moist, diffusely lit bark of Lithocarpus in partially cut-over Pseudotsuga forest on Knopti Creek Road about 9 miles east of U.S. Hwy. 199. 600 Comment
DHN7814  Porella navicularis D. H. Norris 30 September 1967 7814 Del Norte / CA On fairly dry, rather sunny bark of Quercus in open Quercus gambelii forest on serpentine barren on Pappas Flat about 2 miles west of Gasquet, Six Rivers National Forest, 100 Comment
DHN7912B  Porella navicularis D. H. Norris 14 October 1967 7912 Humboldt / CA On soil of trail bank in virgin Sequoia forest in Prairie Creek Redwoods State Park, 25 Comment
DHN7942  Porella navicularis D. H. Norris 14 October 1967 7942 Humboldt / CA On bark of log in cut-over Sequoia forest near ocean cliffs, Prairie Creek Redwoods State Park, 25 Comment
DHN80226  Porella navicularis D. H. Norris 22 January 1993 80226 Polk / OR On moist, diffusely lit twigs of Alnus 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. 150-200 Comment
DHN80227  Porella navicularis D. H. Norris 22 January 1993 80227 Polk / OR On moist, diffusely lit twigs of Alnus 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. 150-200 Comment
DHN80232  Porella navicularis D. H. Norris 22 January 1993 80232 Polk / OR On moist, diffusely lit trunk 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. 150-200 Comment
DHN80282  Porella navicularis D. H. Norris, Roxanne Johnston 24 January 1993 80282 Lincoln / OR On moist, shaded twigs of shrub in salt spray on ocean cliff in heavily wind-pruned beach forest of Pseudotsuga, Picea sitchensis, Pinus contorta and Tsuga and on adjacent sanddunes at Ona Beach State Park north of Waldport at Beaver Creek. 0 Comment
DHN8041  Porella navicularis D. H. Norris 22 October 1967 8041 Trinity / CA On bark of Arbutus menziesii in rather undisturbed Pseudotsuga forest on Wilder Ridge about 5 miles south of Honeydew. Comment
DHN80458  Porella navicularis D. H. Norris 6 February 1993 80458 Linn / OR On moist, diffusely lit horizontal branches of small Alnus in forest of large Alnus rubra at stream head at base of slope along High Deck Road about 5 miles from Hwy. 20 at Cascadia. 800 Comment
DHN80509  Porella navicularis D. H. Norris 9 February 1993 80509 Marion / OR On moist, diffusely lit Fraxinus sapling in riverine corridor with Populus, Alnus, Fraxinus and Acer macrophyllum in South Santiam ''Area of Critical Environmental Concern'' of the Bureau of Land Management, about 3 miles east of Stayton. 180 Comment
DHN8056  Porella navicularis D. H. Norris 22 October 1967 8056 Trinity / CA On bark of Acer macrophyllum in rather undisturbed Pseudotsuga forest on Wilder Ridge about 5 miles south of Honeydew. Comment
DHN8082  Porella navicularis D. H. Norris 29 October 1967 8082 Del Norte / CA On bark of shrub in cut-over coniferous forest along Little Jones Creek Road. 1100 Comment
DHN8157  Porella navicularis D. H. Norris 29 October 1967 8157 Del Norte / CA On twigs of Acer macrophyllum in second-growth forest on steeply sloping bog with Darlingtonia about 2 miles north of Gasquet, Six Rivers National Forest, 150 Comment
DHN8169  Porella navicularis D. H. Norris 11 November 1967 8169 Humboldt / CA On bark of Quercus in Thuja plicata forest on boggy edge of Blue Lake, north of Weitchpec. Six Rivers National Forest, 800 Comment
DHN81780  Porella navicularis D. H. Norris 27 July 1993 81780 Snohomish / WA On moist, diffusely lit bark of large Thuja in heavily landslide-influenced mixed forest and on surrounding talus slopes on north-facing slopes above Perry Creek about 1-2 miles west of Perry Creek Campground on Mountain Loop Highway, Mt. Baker-Snoqualmie 800 Comment
DHN8194  Porella navicularis D. H. Norris 11 November 1967 8194 Humboldt / CA On bark of Cornus in Thuja plicata forest on boggy edge of Blue Lake, north of Weitchpec. Six Rivers National Forest, 800 Comment
DHN8212  Porella navicularis D. H. Norris 11 November 1967 8212 Humboldt / CA On base of shrub in cut-over forest on talus slope along Slide Creek. Six Rivers National Forest, 700 Comment
DHN82514  Porella navicularis D. H. Norris 1 March 1994 82514 Douglas / OR On moist, diffusely lit outcrop in riverine forest of Chamaecyparis, Alnus, Acer macrophyllum, Pseudotsuga, and Umbellularia along Bear Creek, ca. 3 miles east of Coos County line at Hwy. 42. 150 Comment
DHN82537  Porella navicularis D. H. Norris 1 March 1994 82537 Douglas / OR On moist, diffusely lit large Alnus along river in riverine forest of Chamaecyparis, Alnus, Acer macrophyllum, Pseudotsuga, and Umbellularia along Bear Creek, ca. 3 miles east of Coos County line at Hwy. 42. 150 Comment
DHN82539  Porella navicularis D. H. Norris 1 March 1994 82539 Douglas / OR On moist, diffusely lit large Alnus along river in riverine forest of Chamaecyparis, Alnus, Acer macrophyllum, Pseudotsuga, and Umbellularia along Bear Creek, ca. 3 miles east of Coos County line at Hwy. 42. 150 Comment
DHN83643  Porella navicularis D. H. Norris 7 September 1994 83643 Pierce / WA On moist, diffusely lit bark of Chamaecyparis nootkanensis in mixed conifer forest on very steep slopes about 3 miles south of Summit Lake, Mt. Baker-Snoqualmie National Forest, 1000 Comment
DHN8380  Porella navicularis D. H. Norris 26 November 1967 8380 Mendocino / CA On bark of Lithocarpus in second-growth Pseudotsuga forest on U.S. Hwy. 101 near Laytonville. Comment
DHN83853  Porella navicularis D. H. Norris 22 September 1994 83853 Humboldt / CA On fairly dry, diffusely lit bark of Quercus kelloggii in young forest of Abies concolor and Pseudotsuga along US Forest Service Road 5E14 at South Fork Mtn Rd about 14 air miles north of Mad River, Six Rivers National Forest, 600 Comment
DHN83861  Porella navicularis D. H. Norris 23 September 1994 83861 Humboldt / CA On moist, diffusely lit base of Quercus kelloggii in forest of Pseudotsuga and Abies concolor along road to Eight Mile Lookout about 1 mile west of South Fork Mtn Rd about 8 air miles north of Mad River, Six Rivers National Forest, 500 Comment
DHN83915  Porella navicularis D. H. Norris 4 October 1994 83915 Linn / OR On moist, diffusely lit bark of young Pseudotsuga in Abies concolor, Tsuga heterophylla and Pseudotsuga forest along Packers Gulch about 1 mile north of US Forest Service Road 11 (2 miles west of Quartzville), Willamette National Forest, 350 Comment
DHN8398  Porella navicularis D. H. Norris 26 November 1967 8398 Mendocino / CA On bark of Umbellularia in second-growth Pseudotsuga forest on U.S. Hwy. 101 near Laytonville. Comment
DHN84593  Porella navicularis D. H. Norris 25 January 1995 84593 Curry / OR On moist, diffusely lit basaltic rocks of talus slope in cut-over Tsuga, Pseudotsuga, and Chamaecyparis forest along Hunter Creek about 5 miles SE of Highway 101 on Hunter Creek Road (SE of Gold Beach), Siskiyou National Forest. 200 Comment
DHN84990  Porella navicularis D. H. Norris 22 February 1995 84990 Del Norte / CA On moist, diffusely lit boulder in forest of Lithocarpus, Quercus chrysolepis and Pseudotsuga along Smith River at Hwy. 199 about 9 miles east of junction with Hwy. 101, Six Rivers National Forest. 100 Comment
DHN8507  Porella navicularis D. H. Norris 1 January 1968 8507 Mendocino / CA On bark of Quercus in cut-over Pseudotsuga forest at High Rock Lookout about 27.5 miles west of Willits on Hwy. 20. Comment
DHN8543  Porella navicularis D. H. Norris 2 January 1968 8543 Mendocino / CA On bark of Alnus in cut-over Sequoia forest at mile 101 along US Hwy. 1 near Rockport. 50 Comment
DHN8633  Porella navicularis D. H. Norris 20 March 1968 8633 Humboldt / CA On moist, diffusely lit siliceous rock in moist draw along small stream about 2 miles south of Mtn. View Ranch. Comment
DHN8650  Porella navicularis D. H. Norris 20 March 1968 8650 Humboldt / CA On moist, diffusely lit siliceous rock in open meadow at edge of Quercus forest near Showers Pass. 1300 Comment
DHN8666  Porella navicularis D. H. Norris 30 March 1968 8666 Trinity / CA On bark of Amelanchier in mixed second-growth forest along Trinity River at Highway 299 about 3.5 miles east of Humboldt County Line. 300 Comment
DHN86738  Porella navicularis D. H. Norris 30 September 1995 86738 Snohomish / WA On moist, difffusely lit bark of Acer macrophyllum in forest of Tsuga, Acer and Alnus in city park along Skykomish River at Hwy. 203. 100 Comment
DHN86954  Porella navicularis D. H. Norris 6 February 1996 86954 Sonoma / CA On moist, diffusely lit bark of Acer macrophyllum in forest of Sequoia sempervirens, Pseudotsuga, Lithocarpus and Acer macrophyllum along Wolf Creek Road about 4 miles east of Gualala River , 500 Comment
DHN88690  Porella navicularis D. H. Norris 8 October 1996 88690 Clallam / WA On moist, rather shaded Alnus at edge of stream in old growth forest of Tsuga heterophylla and Pseudotsuga menziesii along Dungeness Trail from US Forest Service Road 2860 to boundary of Olympic National Park along Royal Creek, Olympic National Forest. 700-950 Comment
DHN8888  Porella navicularis D. H. Norris 18 May 1968 8888 Del Norte / CA On moist, diffusely lit boulder on steep. forested talus slope above Smith River about 16 miles east of Gasquet on Hwy. 19. 400 Comment
DHN88947  Porella navicularis D. H. Norris 5 March 1997 88947 Jefferson / WA On moist, diffusely lit bark of Alnus rubra in second-growth forest of Tsuga, Alnus and Pseudotsuga in deep canyon of Winfield Creek at Road N1000 SSE of Forks. SW 1/4 of NE 1/4 of 200 Comment
DHN89360  Porella navicularis D. H. Norris 21 April 1997 89360 Jefferson / WA On fairly moist, sunny outcrop on steep roadcliff in old second-growth forest of Pseudotsuga and Abies along road to top of Mt. Walker about 1 mile from Hwy. 101, southeast of Quilcene, Olympic National Forest. 250 Comment
DHN89643  Porella navicularis D. H. Norris, Ross Priddle 27 May 1997 89643 unknown / WA On moist, diffusely lit bark of Alnus in second growth forest of Pseudotsuga and Alnus rubra along Aurora Ridge Trail about 1/2 mile E of the Sol Duc Road, W of Lake Crescent, Olympic National Park. 350 Comment
DHN90340  Porella navicularis D. H. Norris 13 October 1997 90340 Clallam / WA On moist, diffusely lit bark of Alnus overhanging lake on lake shore in second-growth forest of Picea sitchensis, Pseudotsuga menziesii, Abies grandis, Tsuga heterophylla and Thuja plicata at outlet of Ozette Lake near Ozette River near Ranger Station, Ol 50 Comment
DHN92905  Porella navicularis D. H. Norris 6 May 1998 92905 Clallam / WA On very moist, diffusely lit bark of Sambucus in second-growth riverine corridor with Pseudotsuga menziesii, Acer macrophyllum and Alnus rubra along Little River Road about 1/2 mile from intersection with highway 101. 80 Comment
DHN93950  Porella navicularis D. H. Norris 20 June 1998 93950 Jefferson / WA On moist, diffusely lit branches of Alnus rubra overhanging lake in Thuja, Tsuga and Abies grandis forest on boggy soil and edge of Devil's Lake, about 3 miles south of Quilcene on Quilcene Bay. near 0 Comment
DHN95307  Porella navicularis D. H. Norris 18 June 1999 95307 Mason / WA On fairly moist, rather sunny basalt outcrop in old-growth forest of Tsuga heterophylla and Abies grandis at Spider Lake, Olympic National Forest. 400 Comment
DHN9586  Porella navicularis D. H. Norris 5 October 1968 9586 Del Norte / CA On moist, diffusely lit twigs of Corylus in second-growth Pseudotsuga-Umbellularia forest along French Flat Trail near Gasquet. 300 Comment
DHN9620  Porella navicularis D. H. Norris 5 October 1968 9620 Del Norte / CA On moist, diffusely lit bark of Castanopsis in second-growth Pseudotsuga-Umbellularia forest along French Flat Trail near Gasquet. 300 Comment
DHN98236  Porella navicularis D. H. Norris 11 May 2000 98236 Skagit / WA On moist, diffusely lit bark of Alnus in second-growth Thuja plicata and Tsuga heterophylla forest on shores of Summer Lake at junction of Lake Cavanaugh Rd. & Grandstrom Road southeast of Mt. Vernon. 200 Comment
DHN98381  Porella navicularis D. H. Norris 12 May 2000 98381 Skagit / WA On moist, diffusely lit bark of Alnus at Camp Brotherhood in old second-growth Tsuga heterophylla and Thuja plicata forest along Highway 9 near south end of Big Lake, 100 Comment
DHN9845  Porella navicularis D. H. Norris 20 October 1968 9845 Del Norte / CA On moist, diffusely lit bark of Cornus nuttallii in Pseudotsuga and Libocedrus forest in Elk Valley Campground along US. Hwy. 199 near Oregon border. 500 Comment
DHN98486  Porella navicularis D. H. Norris 16 May 2000 98486 Jefferson / WA On moist, diffusely lit branches of of large Acer macrophyllum in forest of very large Picea sitchensis, Tsuga heterophylla and Thuja plicata along Hoh River Trail east of Hoh Rainforest Campground, Olympic National Park. 200 Comment
DHN98604  Porella navicularis D. H. Norris 17 May 2000 98604 Clallam / WA On moist, diffusely lit bark of Alnus in forest of very large Picea sitchensis, Tsuga heterophylla and Thuja plicata along Bogachiel River Trail from Kankwa Creek to Mosquito Creek, Olympic National Park. 110 Comment
DHN98693  Porella navicularis D. H. Norris 23 May 2000 98693 Clallam / WA On moist, diffusely lit log in bog with Kalmia and Ledum surrounded by rich forest of Tsuga heterophlla, Thuja plicata and Pseudotsuga at headwaters of Slab Camp Creek along Road 2878 near junction with Road 2870, Olympic National Forest. 600 Comment
DHN98706  Porella navicularis D. H. Norris 24 May 2000 98706 Clallam / WA On moist, shaded boulder in Pseudotsuga forest with heavy Gaultheria understory on steep slopes along trail to Storm King south of Crescent Lake, 450 Comment
DHN98737  Porella navicularis D. H. Norris 24 May 2000 98737 Clallam / WA On moist, diffusely lit bark of Acer douglasii in Pseudotsuga forest with heavy Gaultheria understory on steep slopes along trail to Storm King south of Crescent Lake, 450 Comment
DHN99019  Porella navicularis D. H. Norris 4 June 2000 99019 Jefferson / WA On moist, diffusely lit base of Acer macrophyllum in area of abandoned housing at north boundary of Olympic National Park along Elwha River Road. 80 Comment
DHN9991  Porella navicularis D. H. Norris 24 October 1968 9991 Siskiyou / CA On moist, diffusely lit bark of Quercus chrysolepis in open forest of Arbutus at bridge across Salmon River about 3.5 miles east of Somes Bar, 150 Comment
JRS21593XX  Porella navicularis Eve Laeger 22 Mar 2004 02204 Monterey / CA Central Coast, Santa Lucia Range: Middledorf Redwood Preserve near Carmel 761 Comment
JRS23851  Porella navicularis James R. Shevock 23 Mar 2003 23851 Shasta / CA Whiskeytown National Recreation Area: Along Clear Creek up stream from the Whiskeytown Environmental Camp toward bridge. R6W, T32N, section 33 289 Comment
JRS24493  Porella navicularis James R. Shevock 27 Oct 2003 24493 San Mateo / CA Central Coast Range, San Francisco Bay Region: Along road, slopes below the summit of Montara Mountain, McNee Ranch State Park. R6W, T4S, section 23 502 Comment
JRS27775  Porella navicularis James R. Shevock 10 Feb 2006 27775 San Mateo / CA Santa Cruz Mountains, Butano State Park: Along Butano Creek Trail northeast of campground area. R4W, T8S, section 29 121 Comment
JRS27801  Porella navicularis James R. Shevock 10 Feb 2006 27801 San Mateo / CA Santa Cruz Mountains, Butano State Park: Indian Trail toward Butano Creek off of Elmo Fire Road. R4W, T8S, section 21 289 Comment
JRS27848  Porella navicularis James R. Shevock 19 Mar 2006 27848 San Mateo / CA Santa Cruz Mountains, Butano State Park: Butano Fire Road along ridge just east of junction with Mill Ox Trail. R4W, T8S, section 20. . With antheridia; perianths 243 Comment
JRS27925  Porella navicularis James R. Shevock 22 Apr 2006 27925 Josephine / Oregon Siskiyou Mountains, Blm Medford District: Illinois River Basin. Unnamed tributary of Althouse Creek about 6 airmiles SE of Cave Junction. R7W, T40S, section 17 548 Comment
JRS29837  Porella navicularis James R. Shevock 6 May 2007 29837 Marin / CA Coast Ranges, Mt. Tamalpais State Park: Ridgecrest Boulevard less than 0.25 mile above Rock Spring parking area 603 Comment
JRS29936  Porella navicularis James R. Shevock 10 Jun 2007 29936 San Mateo / CA El Corte De Madera Creek Open Space Preserve: Midpeninsula Regional Open Space District. Tafoni Trail west of Tafoni Sandstone Formation. R4W, T6S, section 17 731 Comment
SFV20099  Porella navicularis P. Wilson 5 Jan 1988 1620 Mendocino / CA From CA Highway 1, 4.25 miles up Little Lake Road then right on dirt road to Big River just down from The Woodlands. Along river. Comment
DHN47782  Porella navicularis D. H. Norris 23 October 1976 47782 Humboldt / CA On moist, diffusely lit bark of Lithocarpus in very open mixed conifer forest with Ceanothus understory on stabilized talus slope on Long Ridge about 3.8 miles north of Big Hill Road. 1200 Comment
SFV20097  Porella navicularis P. Wilson 19 Dec 1983 68 Mendocino / CA Pepperwood Springs Mountain, east of Piercy. Comment
SFV20100  Porella navicularis P. Wilson, L. P. Janeway 25 May 1984 162 Humboldt / CA Near Coast Guard Station on north spit (Somoa Peninsula). Comment
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