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UCSC Herbarium, Kenneth S. Norris Center for Natural History, University of California, Santa Cruz
UCSC	Rhododendron occidentale (Torr. & A. Gray) A. Gray UCSC005658Claire Morelli   s.n.1985-05-19 United States, California, Santa Cruz, UCSC, North Remote Parking Lot Full Record Details
UCSC	Rhododendron occidentale (Torr. & A. Gray) A. Gray UCSC005701M.F. Wilson   s.n.1985-05-11 United States, California, Santa Cruz, Santa Cruz, UC Santa Cruzcampus, vicinity of North Remote parking lot Full Record Details
UCSC	Rhododendron occidentale (Torr. & A. Gray) A. Gray UCSC007871Neal Kramer   5051996-05-26 United States, California, Santa Cruz, Above Reggiardo Creek, Bonny Doon Ecological Reserve, 420m Full Record Details
University of Alaska Museum
ALA	Rhododendron occidentale (Torr. & A. Gray) A. Gray 154204unknown   1800-01-01 No specific locality recorded. Full Record Details
ALA	Rhododendron occidentale (Torr. & A. Gray) A. Gray 154205unknown   1800-01-01 No specific locality recorded. Full Record Details
ALA	Rhododendron occidentale (Torr. & A. Gray) A. Gray 154200unknown   1800-01-01 No specific locality recorded. Full Record Details
University of Arizona Herbarium
ARIZ	Rhododendron occidentale (Torr. & A. Gray) A. Gray 388866Brad Boyle   90502008-09-06 United States, California, Santa Cruz County, Big Basin Redwoods State Park. Blooms Creek Campground. Flat ground alongside Opal Creek., 37.1674 -122.2203, 256m Full Record Details
ARIZ	Rhododendron occidentale (Torr. & A. Gray) A. Gray 393124Mark Fishbein   57332006-05-20 United States, Oregon, Josephine County, Slope above West Fork Illinois River, along Wimer Road, 2.5 mi southwest of O'Brien at jct US Hwy 199., 42.056667 -123.744167, 460m Full Record Details
University of California at Davis Herbarium
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV322936A. T. Leiser   RL11984-09-30 United States, California, Marin County, Marin Co, Rodeo Lagoon/ Golden Gate Nat'l Rec. Area. N. Side of lagoon/ E. side of road to Fort Cronkhite and Ranger Station. Population is 50 yards E. of road, 30-40' from water., 37.832466 -122.526742 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV322937George F. Hrusa   60931989-05-08 United States, California, Sonoma County, Sonoma County: At headwaters of Nathanson Creek directly E of town of Sonoma., 38.292272 -122.445683, 390m Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV394687Charles Goldman   141959-00-00 United States, California, Siskiyou County, Siskiyou County: Castle Lake, east shore. [Elevation a general measurement provided by Goldman for entire project; coordinates added by label maker], 41.23 -122.38, 1585m Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306457Christopher Mallek   s.n.2008-00-00 United States, California, Colusa County, Colusa County: Frenzel Creek., 39.283889 -122.546667, 654m Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray AHUC100815Collector unknown   s.n. United States, California, County unknown, County and location unknown. Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306386Donna Allen   s.n.1977-05-24 United States, California, Sonoma County, Sonoma County: 30 miles on Dry Cr. Road to Stewart's Pt., 38.652442 -123.40005 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306387Jon Balderston   51980-05-19 United States, California, Plumas County, Plumas County: North fork of Feather River between Highway 70 and Caribou at mouth of Mosquito Creek., 40.062653 -121.201747, 747m Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306390Chris Bowen   1131974-05-18 United States, California, Sonoma County, Sonoma County: Unit 24 Owners' Map, Sea Ranch, near State Highway 1., 38.728782 -123.477127 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306391C. J. W.   381913-06-17 United States, California, Nevada County, Nevada County: Grass Valley., 39.219937 -121.059549 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306382Joseph M. DiTomaso   561975-06-25 United States, California, Trinity County, Trinity County: 0.5 mile above bridge over Swift Creek on Bear Basin Trail., 40.99765 -122.84736 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306383Joseph M. DiTomaso   4861976-06-24 United States, California, Trinity County, Trinity County: Swift Creek Trail, 1/3 mile northwest of trailhead., 40.97734 -122.80526, 1219m Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306384K. Esau   s.n.1933-07-08 United States, California, Sonoma County, Sonoma County: Near Petrified Forest., 38.555707 -122.639025 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306458Roman Gankin   5291965-05-06 United States, California, Lake County, Lake County: Near Cold Spring Camp, 0.9 mile east of Little Indian Valley (Kowalski Ranch and Stanton Creek)., 39.1662 -122.53721 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306459Roman Gankin   5781965-08-09 United States, California, Del Norte County, Del Norte County: French Hill Road, 3.1 miles east of junction with U.S. Highway 199, south of Gasquet., 41.82653 -123.99397 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306460Roman Gankin   5881965-08-09 United States, California, Del Norte County, Del Norte County: French Hill Road, 8.7 miles east of junction with U.S. Highway 199, south of Gasquet., 41.83158 -123.91055 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306461Charles B. Heiser, Jr.   17501946-05-19 United States, California, Sonoma County, Sonoma County: Vine Hill region, Pitkin Marsh., 38.460513 -122.865567 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306462A. A. Heller   127431917-06-19 United States, California, Placer County, Placer County: 8 miles east of Colfax., 39.104446 -120.86831 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306463George F. Hrusa   60011989-04-28 United States, California, Napa County, Napa County: Along Chiles Valley Rd, 1.6 m. N of Junction with Hwy. 128., 38.5205 -122.31491, 245m Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306464George F. Hrusa   60661989-05-05 United States, California, Colusa County, Colusa County: Open margin of Little Stony Creek, along Rd. to Cedar Camp. 1.5 m. SW of intersection of Stonyford-Lodoga Rd., 39.29681 -122.54901, 470m Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306465George F. Hrusa   70081989-05-08 United States, California, Sonoma County, Sonoma County: At headwaters of Nathanson Creek directly E of town of Sonoma., 38.292272 -122.445683, 390m Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306466George F. Hrusa   70741989-05-28 United States, California, Mendocino County, Mendocino County: Along banks of lower Navarro River, app. 25 m. W of Boonville., 39.1708333333333 -123.666944444444, 35m Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306447P. B. Kennedy   30261913-07-05 United States, California, Mariposa County, Mariposa County: Creek above Inspiration Point, Yosemite Valley., 37.712872 -119.687627 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306448A. T. Leiser   s.n.1969-06-24 United States, California, Mendocino County, Mendocino County: Red Mt., 39.91361 -123.65306 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306446A. T. Leiser   LO-1985-05-19 United States, California, Colusa County, Colusa County: Between 3-4 miles along Frenzel Creek as it parallels the road M5 from Lodoga to Goat Mtn. Frenzel Creek is on S. side of road and down 30-40 ft. Populations are scattered in full sun on both sides of the creek., 39.27898 -122.56172 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306434A. T. Leiser   RLS-21984-10-27 United States, California, Napa County, Napa County: Robert Louis Stevenson State Park (Hwy 29 N. from Calistoga) along creek immediately S. of trail, near the old mine entrance. Within 10 ft of creek bed., 38.65897 -122.59244 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306435S. P. Lynch   2951973-06-09 United States, California, Tehama County, Tehama County: On Tedoc Mtn., 40.24887 -122.89641 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray AHUC100821William Moon   s.n.1960-07-28 United States, California, Shasta County, Shasta County: 4.7 miles south Castle Crags State Park entrance, along the Sacramento River., 41.093316 -122.344752 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306474Ted Niehaus   1221959-05-16 United States, California, Nevada County, Nevada County: 1/2 mile east of county dump, Wolf Mountain., 39.13333 -121.09917 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306476Javier Penalosa   24571962-06-18 United States, California, Butte County, Butte County: Near confluence of French and Peavine creeks., 39.729851 -121.354621, 610m Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306477W. R. Russell   s.n.1953-05-05 United States, California, Napa County, Napa County: Chiles Valley., 38.541016 -122.343319 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306478W. R. Russell   s.n.1954-05-07 United States, California, Napa County, Napa County: Between Pope Valley Store and Lake County line, Upper Chiles Valley., 38.615093 -122.426746 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306467D. Sanchez-Mata   s.n.1996-05-12 United States, California, Napa County, Napa County: Winters-Napa. Capell Valley., 38.458537 -122.21553, 240m Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306468Clinton C. Shock   1051980-05-25 United States, California, Mendocino County, Mendocino County: State Highway 1, 0.9 miles southwest of Hales Grove, Property of O.J.M. Smith., 39.8097 -123.7934, 366m Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306469B. F. Smith   721968-07-11 United States, California, Tulare County, Tulare County: Mountain Home State Forest., 36.24 -118.67139, 1920m Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306470Andreas Stohr   331996-04-28 United States, California, Napa County, Napa County: Along Road 128., 38.416667 -122.183333, 270m Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306471J. M. Tucker   23611952-05-04 United States, California, Sonoma County, Sonoma County: On bank of the Wheatfield Fork of the Gualala River, beside road from Geyserville to Stewart's Point, ca. 12 miles east of Stewart's Point., 38.763313 -123.192438 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray AHUC100820W. A. Williams   s.n.1974-11-25 United States, California, Napa County, Napa County: 3 miles west Knoxville (in direct line). BLM land., 38.76854 -122.3307 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306436G.F. Hrusa   70091989-05-08 United States, California, Sonoma County, Sonoma County: Hogback Mtn. at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma., 38.341667 -122.433611, 518m Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306438G.F. Hrusa   98141993-06-23 United States, California, San Diego County, San Diego County: Peninsular Ranges, Palomar Mt. State Park. Upper Doane Valley., 33.345 -116.905, 1408m Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306437Oren Pollak   s.n.1987-04-29 United States, California, Solano County, Solano County: Vicinity of Lake Berryessa., 38.570833 -122.235278 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306385Marti Franco   231977-04-30 United States, California, Lake County, California, Lake Co.; along Walker Ridge Road, 39.04912 -122.46898 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306389A. Bennet   301977-05-08 United States, California, Lake County, California, Lake Co.; along Bartletts Spring Road, 6.5 miles west of junction of Bear Valley Road and Bartletts Spring Road, 39.152825 -122.572113, 457m Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306456Ellen Dean   87192015-05-10 United States, California, Lake County, Lake County: Butts Canyon. Butts Canyon Road, just NW of the Napa County line. North side of the road. Not burned in fire last year (2014)., 38.708611 -122.469444, 238m Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306455A. Amezcua   31995-04-29 United States, California, Napa County, Napa County: Along the side of Butts Canyon Road, 500 m south of Snell Valley Road., 38.6833333333333 -122.45, 400m Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306454Jake Ruygt   8971980-05-21 United States, California, Napa County, Napa County: 4.2 miles north of Monticella Rd. on Hwy 128., 38.468236 -122.234181, 183m Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306473Jake Ruygt   52382007-06-28 United States, California, Napa County, Napa County: Suscol Creek, about 1/2m mile east of Highway 221., 38.237122 -122.254217, 64m Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306381Ellen Dean   7612001-05-12 United States, California, Lake County, Lake Co.: NE of Indian Creek Reservoir, Walker Ridge near Kilpepper Creek Drainage, S side of Bartlett Springs Rd, S of Bartlett Springs Creek., 39.173889 -122.510833, 518m Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306449A. T. Leiser   BC-1a and b1984-09-23 United States, California, Napa County, Napa County, NW side of Butts Canyon Road/ Shell Valley Road, Napa 00.25 marker, SE side of Butts Creek, 10-15' from water, submerged to 1.5' at flood levels., 38.695355 -122.444716 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306450A. T. Leiser   BC-21984-09-23 United States, California, Napa County, Napa County, Butts Canyon Rd./ Shell Valley Rd. along Butts Creek, Napa 19.25 marker. Off Pope Valley Rd, NE side of road, S bank, 50' SE of ranch driveway at water's edge, plant submerged to 1.5' at flood levels., 38.695355 -122.444716 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306451A. T. Leiser   BC-31984-09-23 United States, California, Napa County, Napa County, NE side of Butts Canyon Rd. along NE side of Butts Creek, at Napa 19.75 marker. In 5' of low water, crowns 1-2' above low water, submerged 1.5-3' at flood levels., 38.695355 -122.444716 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306452A. T. Leiser   BC-41984-09-23 United States, California, Napa County, Napa County, NE side of Butts Canyon Rd. along SW and NE side of Butts Creek, 250 ft. east of Napa, 20.14 marker. Bulk of population is 330 ft. west of Napa 20.14 marker, continuous to Lake Co. Plants within 20' of water., 38.695355 -122.444716 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306453A. T. Leiser   BC-51984-09-23 United States, California, Napa County, Napa County, Butts Canyon Rd. along Butts Creek, 100' NW of 20.25 marker, NE side of creek at the mouth and 50' up a wash, on edge of rock bed., 38.695355 -122.444716 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306439A. T. Leiser   BC-61984-09-23 United States, California, Napa County, Napa County, Butts County Rd. along both sides of Butts Creek. Lake Co. line to 500' SE of Co. line, predominately on SW bank, some on NE bank., 38.705938 -122.464715 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306440A. T. Leiser   BC-61985-06-03 United States, California, Napa County, Napa County, Butts Canyon Rd. along both sides of Butts Creek. Lake Co. line to 500' SE of Co. line, predominately on SW bank, a few on NE bank., 38.705938 -122.464715 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306441A. T. Leiser   BC-6a1985-06-03 United States, California, Lake County, Lake County, Butts Canyon Rd along both sides of Butts Creek. B6 population extension (0.8 miles N) into Lake Co. to where stream crosses road to W, none found North of this point., 38.710416 -122.47598 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306442A. T. Leiser   BC-71984-09-23 United States, California, Napa County, Napa County, Butts Canyon Rd/ Pope Valley Rd. near Butts Creek. NE side of Pope Valley Rd. from Shell Valley Rd S. along Butts Canyon Rd (Pope Valley Rd.) from 0.1 miles to 0.8 miles S, both sides of Butts Creek, but upstream SW side., 38.695355 -122.444716 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306443A. T. Leiser   BC-81985-06-03 United States, California, Napa County, Napa County: Border of Lake County. 0.5 miles N. of Napa/Lake Cos. Line, Butts Creek SW of Butts Canyon Rd. Population extends .5 mile up drainage., 38.705938 -122.464629 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306444A. T. Leiser   KG-1985-05-19 United States, California, Lake County, Lake Co. near Colusa Co. border, Kanaka Glade, 1.5 miles off 2 Wheel Drive Rd. 16NO6 (Mendocino National Forest). In upper drainage of the east fork of Spanish Creek which runs S to SW., 39.209101 -122.578035 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306445A. T. Leiser   LO-1985-05-19 United States, California, Colusa County, Colusa County: Between 3-4 miles along Frenzel Creek as it parallels the road M5 from Lodoga to Goat Mtn. Frenzel Creek is on S. side of road and down 30-40 ft. Populations are scattered in full sun on both sides of the creek., 39.27898 -122.56172 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306430A. T. Leiser   RL-11984-09-30 United States, California, Marin County, Marin Co, Rodeo Lagoon/ Golden Gate Nat'l Rec. Area. N. Side of lagoon/ E. side of road to Fort Cronkhite and Ranger Station. Population is 50 yards E. of road, 30-40' from water., 37.832466 -122.526742 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306431A. T. Leiser   RL-11985-05-22 United States, California, Marin County, Marin Co, Rodeo Lagoon/ Golden Gate Nat'l Rec. Area. N. Side of lagoon/ E. side of road to Fort Cronkhile and Ranger Station. Population is 50 yards E. of road, 30-40' from water. Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306432A. T. Leiser   RLS-11984-10-27 United States, California, Napa County, Napa County: Robert Louis Stevenson State Park (Hwy 29 N. from Calistoga) along creek from trailhead to point where trail diverges west from creek bed. In or within 10 ft. of creek bed on SE facing slope., 38.65897 -122.59244 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306433A. T. Leiser   RLS-21984-10-27 United States, California, Napa County, Napa County: Robert Louis Stevenson State Park (Hwy 29 N. from Calistoga) along creek immediately S. of trail, near the old mine entrance. Within 10 ft of creek bed., 38.65897 -122.59244 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306472M. Bibbo   1152002-08-29 United States, California, Napa County, Napa County: McLaughlin UC Reserve. S of the reserve near Hunting Creek campground where Hunting Creek Rd. crosses the Creek. Along Hunting Creek 100 yards upstream of junction with Sensitive Plant Canyon., 38.803333 -122.38, 625m Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306429A. Lee   32003-04-26 United States, California, Napa County, California, Napa County, on Bureau of Land Management land S of McLaughlin Reserve. West of Devil Head Road, S side of Hunting Creek, S of Hunting Creek campground, at pool at confluence of Sensitive Plant Canyon and Hunting Creek., 38.801944 -122.38, 335m Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray AHUC100814Beecher Crampton   77401966-06-14 United States, California, Yuba, Yuba County, 1 mile east of Brownsville on La Porte road., 39.478348 -121.253914, 732m Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray AHUC100817Beecher Crampton   52041959-05-11 United States, California, Napa County, Napa County: North end of Capell Valley, above Capell Creek., 38.471306 -122.227461 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray AHUC100816Beecher Crampton   14291953-06-02 United States, California, Lake County, Lake County: Above St. Helena Creek, along State Hwy. 53, about 4 miles south of Middletown., 38.69815 -122.60038 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306475Christine Patino   201976-05-22 United States, California, Tuolumne County, Tuolumne County: 4 miles Southeast of Columbia, Yankee Hill Road, adjacent to a canal., 38.054058 -120.356631 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV306388Allen Barnes   241976-06-01 United States, California, Napa County, Napa County: On highway 128, 3.9 miles Northwest of Moskowite Corners, approximately 200 yds West of roadside. Found on canyon slopes, in a moist area near creek, common but not numerous. A large bush, 3-5 ft. high. Flowers, creamy yellow and sticky., 38.4864 -122.245549 Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray DAV338852Ellen Dean   62122010-06-26 United States, California, Lake County, Lake County: Cache Creek Wilderness area, southern edge of wilderness, accesssed via eastern forks of Rocky Creek Road and then via a private road owned by Stephen Gilardi (an area known as Brushy Sky High on some maps)., 38.936389 -122.469444, 681m Full Record Details
DAV	Rhododendron occidentale (Torr. & A. Gray) A. Gray Jake Ruygt   68482020-06-20 United States, California, Napa, Foote Botanical Preserve at Mt. George; Quad Mt. George., 38.339306 -122.223806, 378m Full Record Details
University of California, Riverside Plant Herbarium
UCR	Rhododendron occidentale (Torr. & A. Gray) A. Gray UCR0066903Louis B. Ziegler   5941978-06-21 United States, California, Riverside, North Fork of the San Jacinto River, Dark Canyon, 33.8 -116.73333, 1677m Full Record Details
UCR	Rhododendron occidentale (Torr. & A. Gray) A. Gray UCR0066904John C. Roos   66451957-07-02 United States, California, Sonoma, Miller Ridge, 38.67917 -123.37167, 335m Full Record Details
UCR	Rhododendron occidentale (Torr. & A. Gray) A. Gray UCR0066905Susanne M. James   516--81980-05-16 United States, California, Del Norte, 20 miles SW of the Oregon Border on Hwy 199, 3 mi east of Gasquet. Panther Flat Campground. Near Patrick Creek, 41.843 -123.931, 152m Full Record Details
UCR	Rhododendron occidentale (Torr. & A. Gray) A. Gray UCR0066906Hyrum B. Johnson   s.n.1970-11-14 United States, California, Riverside, Fuller Mill Creek, below campsites, 33.79861 -116.74861, 1555m Full Record Details
UCR	Rhododendron occidentale (Torr. & A. Gray) A. Gray UCR0066908David J. Keil   173131983-07-02 United States, California, Humboldt, c. 4 miles southeast of SR 299 along Titlow Hill Rd below Horse Mountain Summit Road, 40.865 -123.73833 Full Record Details
UCR	Rhododendron occidentale (Torr. & A. Gray) A. Gray UCR0066913Art Whistler   s.n.1966-05-08 United States, California, Riverside, downstream from Lake Fulmor, Route 74, 33.8 -116.78333, 1585m Full Record Details
UCR	Rhododendron occidentale (Torr. & A. Gray) A. Gray UCR0066909Steve Boyd   75561992-06-04 United States, California, San Diego, SW edge of Santa Rosa Plateau region in upper Cottonwood Canyon. Along Cottonwood Canyon Road, 1.8 mi south of Forest Service Road 8S01 at the point where shaded side drainage joins from the W and the main trunk of Cottonwood Canyon drops sharply to the east of the plateau escarpment, 33.46694 -117.355, 610m Full Record Details
UCR	Rhododendron occidentale (Torr. & A. Gray) A. Gray UCR0066910B.G. Pitzer   9391988-05-29 United States, California, Sierra, Tahoe National Forest, 3.5 miles east of Downieville on Hwy 49, 39.55417 -120.77222, 1220m Full Record Details
UCR	Rhododendron occidentale (Torr. & A. Gray) A. Gray UCR0066911Cora W. Benson   s.n.1932-05-22 United States, California, Lake, Kelsey Creek Falls, 38.81686 -122.72017, 858m Full Record Details
UCR	Rhododendron occidentale (Torr. & A. Gray) A. Gray UCR0066912Steve Boyd   10781985-07-30 United States, California, San Diego, Upper Cottonwood Canyon, 3.6 miles (by road) NW of the junction of Tenaja Trail and De Luz Road, 33.46528 -117.345 Full Record Details
UCR	Rhododendron occidentale (Torr. & A. Gray) A. Gray UCR0066907D.L. Banks   06261995-06-13 United States, California, San Diego, NW Palomar Mtns; Cleveland National Forest, Agua Tibia Wilderness Area, W slope of Agua Tibia Mtn, SSW of Crosley Saddle; N branch of upper Agua Tibia Creek, at the confluences of the three branches of the Creek, just north of the wilderness boundary, 33.38722 -116.97444, 902m Full Record Details
UCR	Rhododendron occidentale (Torr. & A. Gray) A. Gray UCR0066902A.T. Leiser   BC-6A1985-06-03 United States, California, Napa, Butts Canyon Rd. along both sides of Butts Creek, 38.70042 -122.45325, 217m Full Record Details
UCR	Rhododendron occidentale (Torr. & A. Gray) A. Gray UCR0066901David Charlton   44891990-08-11 United States, California, Fresno, Hwy 180, picnic area [vicinity of Sequoia Lake and Happy Gap], north of Sequoia National Park in Sequoia National Forest, 36.72361 -118.99139, 1524m Full Record Details
UCR	Rhododendron occidentale var. paludosum Jeps. G. Fred Hrusa   56191988-07-11 United States, Oregon, Curry, along trail between Bailey Cabin and Chetco River, 42.20583 -123.87361, 960m Full Record Details
UCR	Rhododendron occidentale (Torr. & A. Gray) A. Gray UCR0066900Peter Rubtzoff   81911975-07-10 United States, California, El Dorado, U.C. Blodgett Forest Research Station, Bacchi Meadow, 38.92278 -120.62611, 1299m Full Record Details
UCR	Rhododendron occidentale (Torr. & A. Gray) A. Gray UCR0120909Scott D. White   145782022-06-17 United States, California, Riverside, Pine Cove area, Mt. San Jacinto State Park, Sawmill Flats Trail just west of Stone Creek Campground. North Fork San Jacinto River watershed, 33.78333 -116.74167, 1799m Full Record Details
UCR	Rhododendron occidentale (Torr. & A. Gray) A. Gray UCR0121031Scott D. White   146292022-07-08 United States, California, Riverside, Black Mountain Rd, north of Metate Flat, c. 1.5 air miles east of Lake Fulmor, 33.80833 -116.75, 1707m Full Record Details
UCR	Rhododendron occidentale (Torr. & A. Gray) A. Gray UCR0119150Steve Boyd   123502022-07-12 United States, California, Riverside, Northern end of range along trail between Long Valley and Round Valley., 33.8088 -116.65179, 2647m Full Record Details
UCR	Rhododendron occidentale (Torr. & A. Gray) A. Gray UCR0181645Scott D. White   160202023-06-16 United States, California, Riverside, northern part of the range. Azalea Creek watershed. Vista Grande Rd c. 1.5 air mile east of junction with Hwy 243. Azalea Creek crossing to c. 0.5 mile west of crossing, 33.83667 -116.785, 1448m Full Record Details
UCR	Rhododendron occidentale (Torr. & A. Gray) A. Gray UCR0197543Scott D. White   162902023-08-04 United States, California, Riverside, Snow Creek Watershed, Near Black Mountain Rd, north of Fuller Ridge. Unnamed blueline tributary to West Fork of Snow Creek at road crossing, 33.85 -116.72833, 2030m Full Record Details

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