Search Results — 132 specimen records retrieved (124 records with coordinates)
Results for search: County=San Diego; Scientific name=Chamaesyce melanadenia (including nomenclatural synonyms);   More information: Jepson Online Interchange

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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC8014  Chamaesyce melanadenia M. C. Hartmen 1963-4-8 10 San Diego Anza-Borrego State Park, Elephant tree area, 5 mi. S of Ocotillo Wells Comment
  JEPS5025  Chamaesyce melanadenia Rimo Bacigalupi and J. F. MacBride 1952-3-31 3591 San Diego 8 mi s Scissors Crossing ((crossing of Butterfield Route with US Hwy 78), se flanks of Oriflame Mtns, along old Butterfield Stage route) 777 Comment
  JEPS52411  Chamaesyce melanadenia W. L. Jepson 1928-4-19 12444 San Diego San Felipe Valley, e county Comment
  JEPS52412  Chamaesyce melanadenia W. L. Jepson 1920-4-19 8704 San Diego Blair Valley, Box Canyon Comment
  JEPS52415  Chamaesyce melanadenia Dr. L. M. Newlon 1922-3-31 368 San Diego grade e Mountain Springs Comment
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Oct 2 2012
  NY42700  Chamaesyce melanadenia J. B. Walker 1995-3-22 1270 San Diego 3km S of I-8, at Oasis 1000 Comment
  POM13728  Chamaesyce melanadenia E. C. Jaeger 1921-12-10 1151 San Diego Angelina Spring Comment
  POM172788  Chamaesyce melanadenia P. A. Munz, C. L. Hitchcock 1929-5-4 11338 San Diego Palm Canyon, Borego Valley. 335 Comment
  POM180020  Chamaesyce melanadenia M. French Gilman 1931-3-15 6 San Diego San Felipe Valley. Comment
  POM183796  Chamaesyce melanadenia P. A. Munz, C. L. Hitchcock 1932-4-2 12068 San Diego Edge of wash in Box Canyon. Eastern San Diego County. Comment
  POM197713  Chamaesyce melanadenia Donald A. Johansen, Joseph A. Ewan 1932-4-14 7158 San Diego 3 miles West of Jacumba. 762 Comment
  POM202143  Chamaesyce melanadenia Roxana S. Ferris, R. C. Bacigalupi, R. T. Ferris 1932-5-1 8244 San Diego Mountain Springs. Comment
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Oct 31 2014
  POM254227  Chamaesyce melanadenia P. A. Munz 1940-1-28 15868 San Diego Palm Springs. 762 Comment
  POM258633  Chamaesyce melanadenia P. A. Munz 1940-1-30 15819 San Diego upper Mason Valley, near mouth of Oriflamme Canyon. 823 Comment
  POM259716  Chamaesyce melanadenia P. A. Munz 1940-3-17 15616 San Diego San Felipe Valley, eastern San Diego county. Comment
  POM47125  Chamaesyce melanadenia Mary F. Spencer 1918-5-4 810 San Diego Mountain Springs. 689 Comment
  RSA0018085  Chamaesyce melanadenia Duncan S. Bell, Kim Clark, Ed Kenter, Gene Ratcliff, David Varner 2013-4-21 4838 San Diego Jacumba Mountains; in boulder piles to the northwest of Table Mountain, about 1.5 air miles northeast of Dubber Spur at the head of Carrizo Gorge. 965 Comment
  RSA360141  Chamaesyce melanadenia H. van der Werff 1981-5-19 4269 a San Diego Desert slopes near Mountain Springs along Highway 8 at the border San Diego/ Imperial counties. Comment
  RSA432403  Chamaesyce melanadenia Robert L. Dressler 1949-4-2 514 San Diego Vallecito Mountains, 17 miles SE of Julian. Comment
  RSA432404  Chamaesyce melanadenia Ora M. Clark 1929-4-6 2002 San Diego San Felipe Ranch. Comment
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Nov 29 2012
  RSA432405  Chamaesyce melanadenia N. C. Cooper 1947-4-13 2653 San Diego The Narrows. 305 Comment
  RSA432406  Chamaesyce melanadenia H. S. Gentry 1939-10 4661 San Diego Jacumba Comment
  RSA47552  Chamaesyce melanadenia P. A. Munz 1924-5-11 8079 San Diego 5 miles E of Jacumba. Comment
  RSA518470  Chamaesyce melanadenia Gary D. Wallace 1966-4-7 425 San Diego San Felipe Valley near Scissors crossing just W of anza Borrego Desert St. Pk. 762 Comment
  RSA612300  Chamaesyce melanadenia L. C. Wheeler 1968-10-20 s.n. San Diego Clap Valley, Primitive Camp. 1066 Comment
  RSA687541  Chamaesyce melanadenia J. P. Rebman, J. Gibson, Annette Winner 2001-3-14 7146 San Diego Anza-Borrego Dessert State Park: Oriflamme Canyon, approx. 3 from route S2 on the dirt road into the canyon. 829 Comment
  RSA702713  Chamaesyce melanadenia Tim Thibault 2004-4-22 227 San Diego Jacumba Mountain 980 Comment
  RSA70532  Chamaesyce melanadenia F. W. Peirson 1928-4-20 7860 San Diego San Felipe creek near foot of Sentenac Canyon , eastern San Diego Co. Comment
  RSA70617  Chamaesyce melanadenia F. W. Peirson 1924-6-26 4865 San Diego Lower part of Vallecito Canyon Comment
  RSA714344  Chamaesyce melanadenia J. P. Rebman, N. Nenow, C. Glacy, G. Brooks, M. Brooks 2005-3-19 11314 San Diego Anza-Borrego Desert State Park: west of Ocotillo; eastern base of Jacumba Mountains; vicinity of Mortero Palms northwest of Dos Cabezas Spring, in a sandy wash. 595 Comment
  RSA8454  Chamaesyce melanadenia Roxana S. Ferris, R. C. Bacigalupi 1932-5-1 8244 San Diego Mountain Springs. Comment
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Oct 31 2014
  SBBG67738  Chamaesyce melanadenia C. F. Smith 1961-9-16 6517 San Diego Little Blair Valley Comment
  SDSU12546  Chamaesyce melanadenia Darrent H. Burton with M. G. Simpson and Bruce Hanson 1996-3-23 23 III96C San Diego Approximately one half mile up the canyon from the west wend of the North fork of Indian Gorge, Anza Borrego Desert State Park. 777 Comment
  SDSU12705  Chamaesyce melanadenia Kevin Contreras 1997-4-5 5 IV97A San Diego Entrance to canyon at the end of south fork, west end of Indian Valley, Anza Borrega State Park. 671 Comment
  SDSU19406  Chamaesyce melanadenia Jon P. Rebman, Mike Simpson and Mike Mayer 2009-5-12 17604 San Diego Anza Borrego Desert State Park: vicinity of Whale Peak; south of Pinyon Mountain Valley Road and northwest of the highest point of Whale Peak 1475 Comment
  SDSU3687  Chamaesyce melanadenia Anne Bogardt 1987-5-12 12 V89F San Diego Collected on SR 78, 9.9 miles east of junction on SR 78 and SR 79 which is 1.3 miles east of Julian CA. Specimen located 15 ft. south of road on north facing slope. Comment
  SEINET3145022  Chamaesyce melanadenia R. W. Spellenberg, N. Zucker 2000-3-26 13043 San Diego W of Borrego Springs on Calif. Hwy 78 between Hwys S2 and S3 Comment
  UC1005091  Chamaesyce melanadenia Philip A. Munz 1940-1-30 15819 San Diego near mouth Oriflamme Canyon; upper Mason Valley 822 Comment
  UC1022812  Chamaesyce melanadenia Philip A. Munz 1940-3-17 15616 San Diego easetern county, San Felipe Valley 1066 Comment
  UC110892  Chamaesyce melanadenia T. S. Brandegee 1895-4-20 San Diego Colorado Desert, San Felipe Comment
  UC1130411  Chamaesyce melanadenia N. French 1934-3-9 220 San Diego Mason's Valley; Carrizo quad., Sec. 15 762 Comment
  UC1130412  Chamaesyce melanadenia H. S. Yates 1936-4-8 5468 San Diego head San Felipe Canyon; Seventeen Palms 762 Comment
  UC1787537  Chamaesyce melanadenia Jon P. Rebman, J. Gibson, A. Winner, & misc. botany vols. 2001-3-14 7146 San Diego Anza-Borrego Desert State Park: Oriflamme Canyon, approx. 3.0 from route S2 on the dirt road into the canyon 829 Comment
  UC495263  Chamaesyce melanadenia P. A. Munz and C. L. Hitchcock 1932-4-2 12068 San Diego Colorado Desert, Box Canyon Comment
  UC495395  Chamaesyce melanadenia Roxana S. Ferris and R. Bacigalupi 1932-5-1 8244 San Diego Mountain Springs Comment
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Oct 31 2014
  UC570083  Chamaesyce melanadenia H. S. Yates 1936-4-8 5468 San Diego head San Felipe Canyon 762 Comment
  UCR148875  Chamaesyce melanadenia Jon P. Rebman, Et al. 2001-3-14 7146 San Diego Sonoran (Colorado) Desert, Anza-Borrego Desert State Park: Oriflamme Canyon, c. 3.0 [miles] from route S2 on the dirt road into the canyon. Square: L22 829 Comment
  POM96267  Chamaesyce melanadenia E. C. Jaeger 1925-11-9 s.n. San Diego Montezuma Valley. Comment
  RSA195355  Chamaesyce melanadenia Gilbert Muth 1967-3-20 574 San Diego Borrego Springs 854 Comment
  SDSU3701  Chamaesyce melanadenia F. Youngberg 1932-4-1 San Diego Near buddingstone Resevoir, SW of La Verne Comment
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Jul 9 2014
  UC447270  Chamaesyce melanadenia D. Cleveland 1885-6-25 San Diego Whipping Grade Comment
  UCSB17486  Chamaesyce melanadenia Keefe, Joseph 1963-3-16 San Diego 10 meters north of U.S. Highway 80, 0.3 miles east of the turnoff to Desert View Tower 883 Comment
  UCSB33364  Chamaesyce melanadenia Marks, R. 1978-6-4 San Diego Hwy. 78, 11 mi. east of Hwy. 79 792 Comment
  UCSB33394  Chamaesyce melanadenia Marks, R. 1978-5-5 San Diego Box Canyon Wash, on Hwy. 195, 3 mi. east of Mecca 60 Comment
Read comments
Aug 23 2016
  GMDRC8205  Euphorbia melanadenia J. M. Andre 2016-2-23 34661 San Diego Borrego Desert: Along Hwy S-2 in San Felipe Valley, 6.3 mi. NW of Scissors Crossing (Jct Hwy 78) 836 Comment
  GMDRC8230  Euphorbia melanadenia J. M. Andre 2016-3-4 34772 San Diego Borrego Desert: along Hwy S-2 at low pass north end of Blair Valley, about 5 mi. SE of Scissors Crossing (jct Hwy 78) 788 Comment
  PASA694  Euphorbia melanadenia Sally Ellis 1940-3-17 San Diego San Felipe Canyon Comment
  RSA105847  Euphorbia melanadenia Richard Mallory 1955-4-6 465 San Diego Borrego Desert State Park. Crest of Santa Rosa Mts. 2 miles south of Mt. San Ysidro. Along construction line roadfrom Julian to Borrego Springs. Overlooking Culp Cally. 1219 Comment
  SD11119  Euphorbia melanadenia Frank F. Gander 1935-4-17 173 San Diego 2 miles east of Banner. Comment
  SD113545  Euphorbia melanadenia Darley F. Howe 1937-6-5 561 San Diego Sentenac Canyon Comment
  SD118616  Euphorbia melanadenia Duffie Clemons, Erik Jonsson & Mike Curto 1985-10-20 1213 San Diego in wash, Smuggler Canyon, Whale Peak quad, A+- 0.2 mile south of corner S22-S23 (mak 2/06) 990 Comment
  SD128787 Image available Euphorbia melanadenia Duffie Clemons, Erik Jonsson, Suzanne Bell 1990-3-21 2289 San Diego in open areas above stream in Oriflamme Canyon 1035 Comment
  SD12962  Euphorbia melanadenia Frank F. Gander 1936-1-2 335 San Diego upper Blair Valley Comment
  SD139279  Euphorbia melanadenia Jon Rebman, Mike Simpson 1996-3-23 3036 San Diego Anza-Borrego Desert State Park; in canyon at end of North branch road of Indian Gorge; SW of Torote Canyon Comment
  SD140428  Euphorbia melanadenia Jon Rebman, M. Chamberland and R. Deering 1997-3-6 3812 San Diego Jacumba Jim Canyon: off of Carrizo Canyon; approx. 5.1 mi up Carrizo Canyon from Hwy S2 249 Comment
  SD155205  Euphorbia melanadenia Jon P. Rebman, J. Gibson, A. Winner, & misc. botany vols. 2001-3-14 7146 San Diego Anza-Borrego Desert State Park: Oriflamme Canyon, approx. 3.0 from route S2 on the dirt road into the canyon 829 Comment
  SD166479  Euphorbia melanadenia Jon P. Rebman, J. Gregory & J. Rocks 2004-5-4 10047 San Diego Walker Canyon Ecological Reserve: between Boulevard and Jacumba on the north side of Interstate 8, along arroyo bottom near the western end of the reserve 950 Comment
  SD167639  Euphorbia melanadenia Larry Hendrickson 2005-2-27 329 San Diego Anza-Borrego Desert State Park. Southern portion of Earthquake Valley, east of Hwy S-2, approx. 1.4. east of Foot & Walker Pass near a spur road east of access road into the northern portion of Little Blair Valley. 854 Comment
  SD168354  Euphorbia melanadenia Jon P. Rebman, N. Nenow, C. Glacy, & G. & M. Brooks-Gonyer 2005-3-19 11314 San Diego Anza-Borrego Desert State Park: west of Ocotillo; eastern base of Jacumba Mountains; vicinity of Mortero Palms northwest of Dos Cabezas Spring, in a sandy wash 594 Comment
  SD169801  Euphorbia melanadenia Larry Hendrickson 2005-5-1 634 San Diego Earthquake Valley, Anza-Borrego Desert State Park. Unnamed canyon on eastside of Granite Mtn. approx. 4.5 miles SE on County Hwy S-2 from State Hwy 78 to unmarked access road just south of bench mark 2360. About 400 m W of access road terminus. 793 Comment
  SD170810  Euphorbia melanadenia Larry Hendrickson 2005-4-3 472 San Diego Anza-Borrego Desert State Park. Mason Valley on NE side of County Hwy S-2 approx. 0.9 mi SE of access road to Oriflamme Canyon. At mouth of a canyon (local name: Rainbow Canyon) that drains into Vallecito Wash. 671 Comment
  SD172577  Euphorbia melanadenia Larry Hendrickson, Melanie Howe 1997-3-26 818 San Diego San Felipe Valley Wildlife Area, California Dept. of Fish & Game. Approx. 12.5 miles SE of intersection of State Hwy 79 and County Hwy S-2. East of Hwy S-2 on hill above a wash near BLM boundary. 832 Comment
  SD176242  Euphorbia melanadenia Joe Barth 2005-10-22 784 San Diego Anza-Borrego Desert State Park. 3 miles ENE of Whale Peak in the Vallecito Mountains. About 0.4 mile NNE of Split Rock in wash leading to south Harper Flat. 903 Comment
  SD176243  Euphorbia melanadenia Joe Barth 2005-10-21 757 San Diego Anza-Borrego Desert State Park. Vallecito Mountains SE of Harper Flat. In the hills about 0.5 km SSE of Dave McCain Spring. 776 Comment
  SD177170  Euphorbia melanadenia Larry Hendrickson, Cathleen Weigand, Brian Woodward 2006-5-24 1549 San Diego Anza-Borrego Desert State Park, Grapevine Canyon. 0.5 km SE of Angelina Spring at the base of the SW-facing slope of the Grapevine Hills. 715 Comment
  SD177804  Euphorbia melanadenia Jon P. Rebman 2006-5-20 12895 San Diego Vallecito Valley (BLM Wilderness area): S of Vallecito Stage Station County Park in Potrero Canyon, approx. half-way up the west-facing slope of the Sawtooth Mountains 835 Comment
  SD181021  Euphorbia melanadenia Larry Hendrickson 2005-11-12 1246 San Diego Anza-Borrego Desert State Park. SE side of Granite Mountain, 3.80 air miles ESE of peak and 0.16 mi north of County Hwy S-2, NW of unpaved road to Environmental Campsites (State Park name). 814 Comment
  SD187896  Euphorbia melanadenia Carol McKie Manning, Maryanne Bache 2006-10-6 5 San Diego Anza-Borrego Desert State Park, S fork of Hellhole Canyon, in Culp Valley, N of S 22 (Montezuma Valley Road), 500 meters west of Pena Spring, in the sandy wash on E facing slope 1068 Comment
  SD188873  Euphorbia melanadenia L. Louise Jee, Mary Della Valle, Larry Hendrickson 2006-11-11 248 San Diego Anza-Borrego Desert State Park, County Highway S-2, 3.7 miles east on Pinyon Mountain Valley Road. (299.27a^z TN, 3.19 air miles NW of whale Peak) 1036 Comment
  SD189655  Euphorbia melanadenia Margaret R. Mulligan 2006-5-19 1516 San Diego Sawtooth Mountains Wilderness (Bureau of Land Management Land), Vallecito Valley, SE end of The Potrero, SW base of Sawtooth Mountains. 829 Comment
  SD191129  Euphorbia melanadenia Joni Ward, Wendy Hodgson, Dawn Goldman, Dave Martinez 2007-4-24 3 San Diego Mountain Springs Grade, 6 mi ENE of Jacumba, W of Interstate 8, 0.18 mi W of Imperial County line, 0.81 mi S of Devil's Canyon, W of stone corral, in wash at culvert, up drainage past spring. 740 Comment
  SD193776  Euphorbia melanadenia CRES Native Seed Gene Bank, J Dunn, L Lippitt, S Anderson 2005-3-15 32 San Diego Anza-Borrego Desert State Park, Culp Valley Campground, 4 mi SE of junction of Montezuma Valley Rd (S22) and Palm Canyon Dr, 0.5 mi E of Pena Spring 1018 Comment
  SD195824  Euphorbia melanadenia Jon P. Rebman, Jim Rocks & Margie Mulligan 2009-4-12 16964 San Diego South of Boulevard; east of Lake Domingo; along the existing powerline and proposed powerlink area just south of the railroad tracks 970 Comment
  SD196477  Euphorbia melanadenia Larry Hendrickson, Jon Rebman 2007-3-29 1960 San Diego Anza-Borrego Desert State Park, Rodriguez Canyon, Granite Mountain Wilderness Area, S of State Hwy 78, W of County Hwy S 2, 3 miles E of Hwy 79, NW of Box Canyon 975 Comment
  SD197289  Euphorbia melanadenia Jon P. Rebman, Mike Simpson and Mike Mayer 2009-5-13 17693 San Diego Anza Borrego Desert State Park: vicinity of Whale Peak; south of Pinyon Mountain Valley Road; vicinity of open meadow on the southeast side of the highest point of Whale Peak 1540 Comment
  SD197290  Euphorbia melanadenia Jon P. Rebman, Mike Simpson and Mike Mayer 2009-5-13 17674 San Diego Anza Borrego Desert State Park: vicinity of Whale Peak; south of Pinyon Mountain Valley Road; along the highest point of Whale Peak 1625 Comment
  SD197291  Euphorbia melanadenia Jon P. Rebman, Mike Simpson and Mike Mayer 2009-5-12 17604 San Diego Anza Borrego Desert State Park: vicinity of Whale Peak; south of Pinyon Mountain Valley Road and northwest of the highest point of Whale Peak 1474 Comment
  SD200852  Euphorbia melanadenia Margaret R. Mulligan, T. Rottler 2007-3-28 1776 San Diego Granite Mountain Wilderness Area, SW edge. In SW running wash N of Rodriguez Truck Trail; wash approx. 4 air miles miles SE of Banner. 1053 Comment
  SD200853  Euphorbia melanadenia Melvin M. Sweet 2008-4-5 607 San Diego Anza-Borrego Desert State Park, 4 mi E of Ranchita, S of Culp Valley Rd., 1/3 mile SW of Montezuma Valley Road (S22), 6 miles SW of town of Borrego Springs 975 Comment
  SD204270  Euphorbia melanadenia Kim Marsden, Larry Hendrickson 2003-3-4 201 San Diego Anza-Borrego Desert State Park, Oriflamme Canyon near historic CCC camp, south of Mason Valley Road, about 3 miles northwest of intersection with S-22 851 Comment
  SD204272  Euphorbia melanadenia Kim Marsden, L. L. Jee, L. Hendrickson, ABDSP Botany Group 2008-3-31 428 San Diego Anza-Borrego Desert State Park, north fork of Indian Canyon, about 5 miles west of County road S-22, all the way to the turn-around and about 1.5 miles northnortheast of Sombrero Peak 644 Comment
  SD204278  Euphorbia melanadenia Kim Marsden, Ruth Otis 2008-4-10 398 B San Diego Anza-Borrego Desert State Park, Culp Valley, vicinity of trailhead to Pena Springs 1050 Comment
  SD205761  Euphorbia melanadenia Larry Hendrickson, M. Dickson, R. Riolo 2008-3-31 2839 San Diego Anza-Borrego Desert State Park, Indian Canyon, Tierra Blanca Mountains, 1.4 miles NNE of Sombrero Peak summit, 4.7 air miles WSW of intersection of County Road S-2 and access road to canyon. At end of North Fork Trail (unpaved road). 614 Comment
  SD20835  Euphorbia melanadenia Frank F. Gander 1938-4-15 5308 San Diego west end of Sentenac Canon Comment
  SD212170  Euphorbia melanadenia Larry Hendrickson, Zachary Principe 2009-4-7 3719 San Diego Jacumba. 1.7 air miles north of US/Mexico border. 0.8 mile NW of Jacumba Peak and 1.4 miles WSW of Round Mountain. 925 Comment
  SD212171  Euphorbia melanadenia Melvin M. Sweet 2008-12-6 726 San Diego Anza-Borrego Desert State Park, Culp Valley, about 3 mi E of Ranchita, 1/3 mile W of intersection Montezuma Valley Road (S22) and Culp Valley Road, 6 miles SW of town of Borrego Springs 947 Comment
  SD213130  Euphorbia melanadenia Jon P. Rebman, Warren Schmidtmann 2011-4-12 21106 San Diego Anza-Borrego Desert State Park: vicinity of Whale Peak; along Pinyon Mountain Valley Road just east of The Squeeze and north of the highest point of Whale Peak 1045 Comment
  SD214302  Euphorbia melanadenia Ian Cain, Emily Clayton 2009-5-3 1064 San Diego Anza-Borrego Desert State Park, Jacumba, north of I-8 off Carrizo Gorge Road. 2.14km north north west of peak of Round Mountain, east of railroad line, off Carrizo Gorge Road 808 Comment
  SD215986  Euphorbia melanadenia Larry Hendrickson 2008-11-15 3315 San Diego Anza-Borrego Desert State Park. Vallecito Mountains, Smuggler Canyon. 1.3 air miles W of Whale Peak, 4 mi E of S-2 and entrance to Blair Valley. 1153 Comment
  SD215987  Euphorbia melanadenia Larry Hendrickson 2008-11-30 3331 San Diego Anza-Borrego Desert State Park, North Pinyon Mountains. Lizard Canyon near terminus of west fork. 1.5 air miles SSW of intersection of State hwy. 78 and access road to canyon. 689 Comment
  SD222195  Euphorbia melanadenia Jay B. Walker, Noah C. Goldstein 1995-3-22 1270 San Diego 3km S of I-8 at Oasis 1000 Comment
  SD225555  Euphorbia melanadenia Jon P. Rebman, W. Schmidtmann, V. Marshall, M. Sweet, T. Barckley 2012-5-8 23678 San Diego McCain Valley area: north of Boulevard and I-8; east of the junction of McCain Valley Road and Lost Valley Road in Lost Valley 1150 Comment
  SD226455  Euphorbia melanadenia Mike Bigelow 2010-11-28 309 San Diego Anza-Borrego Desert State Park; S end of Blair Valley, near top of Ghost Mountain, N of Vallecito Stage Station County Park on S2 965 Comment
  SD233557  Euphorbia melanadenia Joe Barth 2011-4-22 1497 San Diego Mortero Palms in eastern Jacumba Mts; Anza-Borrego Desert State Park. About 9 miles W of town of Ocotillo in Imperial County. 2.7 miles due W of county line; 5.9 miles due N of interstate 8. 723 Comment
  SD233558  Euphorbia melanadenia Joe Barth 2011-4-22 1529 San Diego In Palm Canyon in the eastern Jacumba Mts, Anza-Borrego Desert State Park. About 9.5 miles W of town of Ocotillo in Imperial County. 3.2 miles due W of county line; 5.9 miles due N of interstate 8. 0.45 mile W of Mortero Palms. 833 Comment
  SD243883  Euphorbia melanadenia 1978-5-17 San Diego [Locality determined by SDNHM] West end of Inner Pasture Comment
  SD247856  Euphorbia melanadenia Bill Sullivan 2009-6-5 735 San Diego Anza-Borrego Desert State Park, old stage coach trail, 0.4 mile west of Interstate-8, 1.86 mile north of In-Ko-Pah Park Road and Old Highway 80, about 0.50 miles from Imperial County line 954 Comment
  SD252609  Euphorbia melanadenia Ian Cain, Kim Davis, Dale Ritenour 2012-6-9 1748 San Diego Boulevard; along McCain Valley Road, 6.57 miles NNW of junction with Old Highway 80; 0.37 miles N of roadside 1214 Comment
  SD253102  Euphorbia melanadenia Mary Jo Churchwell 2010-12-2 389 San Diego Anza-Borrego Desert State Park; Bighorn Canyon 2.45 miles S of Highway 78; canyon between Mine Wash and Nolina Wash 580 Comment
  SD253103  Euphorbia melanadenia Mike Bigelow 2013-4-7 415 San Diego Anza-Borrego Desert State Park; along Pacific Crest Trail 0.70 mile NNW of Scissors Crossing (Junction S-2 and State Highway 78) 886 Comment
  SD253746  Euphorbia melanadenia Larry Hendrickson 2013-9-25 6248 San Diego Anza-Borrego Desert State Park. San Felipe Valley. At base of Granite Mountain, 1.7 air miles S of SW intersection of State Route 78 and County Road S2 (Scissors Crossing), and 0.4 mile W of Pacific Crest Trail. 804 Comment
  SD262450  Euphorbia melanadenia Mary Jo Churchwell 2014-11-20 962 San Diego Anza-Borrego Desert State Park, Glorietta Canyon, 4.69 air miles S of Borrego Springs and 1.93 air miles SW of intersection of Borrego Springs Road and Glorietta Canyon primitive road. 388 Comment
  SD262451  Euphorbia melanadenia Jim Roberts, T. Chester, A. Ballway, N. Accola 2015-3-8 87 San Diego Anza-Borrego Desert State Park; Ranchita area; 2.70 miles SE of junction Wilson Road and S-22; several hundred meters off of Wilson trail in Culp Valley; 1.62 miles N of Grapevine Canyon 1155 Comment
  SD262452  Euphorbia melanadenia Mary Jo Churchwell 2014-10-28 951 San Diego Anza-Borrego Desert State Park, hillside above Old Culp Valley Road , near mouth of Chimney Spring Drainage , 5.86 air miles SW of Borrego Springs and .55 mile NW of intersection of County Hwy. S-22 and Old Culp Valley Road. 967 Comment
  SD26715  Euphorbia melanadenia Frank F. Gander 1940-4-4 8067 San Diego Extreme southeast corner of San Diego Co. Comment
  SD2833  Euphorbia melanadenia Ralph W. Sumner 1920-1 San Diego slope of Colorado Desert, Banner Grade Comment
  SD32450  Euphorbia melanadenia Charles F. Harbison, Higgins 1944-4-12 44 25 San Diego north of Mountain Springs Comment
  SD32550  Euphorbia melanadenia Charles F. Harbison, Higgins 1944-4-14 44 126 San Diego Dubber Comment
  SD38464  Euphorbia melanadenia Edith A. Purer 1935-4-19 6315 San Diego near Carrizo, Colorado Desert Comment
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Sep 4 2020
  SD51644  Euphorbia melanadenia Rimo Bacigalupi, J. F. McBride 1952-3-31 3591 San Diego southeastern flanks of the Oriflamme Mountains, along the old Butterfield Stage route, 8 miles south of Scissors Crossing (crossing of Butterf Comment
  SD52545  Euphorbia melanadenia Mike Merkel 1960-12-7 193 San Diego North Pinyon Mountain Area, Anza-Borrego Park Comment
  SD83626  Euphorbia melanadenia R. Mitchel Beauchamp, R. C. Pierce 1971-2-19 1607 San Diego south-facing slope, Culp Valley, Anza-Borrego Desert State Park Comment
  SD86001  Euphorbia melanadenia R. Mitchel Beauchamp, M. Douglas 1971-11-26 3144 San Diego southeastern corner of county. 1050 Comment
  SD8690  Euphorbia melanadenia E. W. Palmer Aug 1875 San Diego Mountain Spring Comment
  SDSU3684  Euphorbia melanadenia Michael G. Simpson 1991-6-6 6 VI91C San Diego Valley floor, near end of dirt road from S-22. Culp Valley, Anza Borrego Desert State Park. 1067 Comment
  UCR138855  Euphorbia melanadenia L. C. Wheeler 1968-10-20 s.n. San Diego Peninsular Range, Culp ['Clap'] Valley, Primitive Camp 1067 Comment
  UCR156154  Euphorbia melanadenia Jon P. Rebman, J. Gregory & J. Rocks 2004-5-4 10047 San Diego Walker Canyon Ecological Reserve: between Boulevard and Jacumba on the north side of Interstate 8, along arroyo bottom near the western end of the reserve 951 Comment
  UCR202190  Euphorbia melanadenia Jon P. Rebman 2006-5-20 12895 San Diego Peninsular Range; Vallecito Valley, BLM Wilderness area, south of Vallecito Stage Station County Park in Potrero Canyon, c. half-way up the west-facing slope of the Sawtooth Mountains. Square N25 835 Comment
  UCR275656  Euphorbia melanadenia Jim Andre 2016-2-23 34661 San Diego Borrego Desert, along Route S-2 in San Felipe Valley, San Felipe Hills, 6.3 mi northwest of Scissors Crossing, junction with Hwy 78 836 Comment
  UCR5987  Euphorbia melanadenia K. W. Brown 1966-4-8 s.n. San Diego Peninsular Range/ Sonoran (Colorado) Desert, Scissors Crossing (junction county road S-2 & Hwy 78) 671 Comment
  UCR99781  Euphorbia melanadenia Jon P. Rebman 1997-3-6 3812 San Diego Peninsular Range, Jacumba Jim Canyon: off of Carrizo Canyon, c. 5.1 miles up Carrizo Canyon from Hwy S2 250 Comment
  UCD142565  Euphorbia melanadenia W. W. Robbins 1939-12-24 s.n. San Diego SE part of county. Comment



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