Search Results — 379 specimen records retrieved (309 records with coordinates)
Results for search: Scientific name=Erigeron petrophilus;   More information: Jepson Online Interchange

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC336095  Erigeron petrophilus var. viscidulus unknown Siskiyou side of Mt. Shasta Comment
  CAS-BOT-BC295755  Erigeron petrophilus var. petrophilus E. K. Abbott No date on label s.n. Monterey Unspecified Comment
  UC1041115  Erigeron petrophilus var. petrophilus J. W. Congdon 1880-10-23 Marin Nicasio Creek Comment
  SEINET10826414 Image available Erigeron petrophilus var. viscidulus Cyrus G. Pringle 1882-9-1 Pringle 14579 Unknown Mts. above the head waters of the Sacramento River. Comment
  JEPS41436  Erigeron petrophilus var. viscidulus J. G. Lemmon 1883-7-1 Sierra Sierra Valley Comment
  UC336118  Erigeron petrophilus var. viscidulus unknown 1883-7-1 Unknown Sierra Vall<e>y Comment
  CAS-BOT-BC295767  Erigeron petrophilus var. petrophilus Edw. L. Greene 1891-7-1 s.n. Santa Clara Mt. Hamilton Comment
  UC31509  Erigeron petrophilus var. petrophilus Edw. L. Greene 1891-7-1 Santa Clara Mount Hamilton Comment
  UC485106  Erigeron petrophilus var. petrophilus C. A. Purpus 1894-8-1 1024 Lake Snow Mt. 2133 Comment
  UC87833  Erigeron petrophilus var. petrophilus Alice Eastwood 1896-8-16 Marin Mt. Tamalpais Comment
  UC71905  Erigeron petrophilus var. petrophilus Jos. Burtt Davy 1897-6-10 Santa Clara Mt. Hamilton Comment
  JEPS41447  Erigeron petrophilus var. petrophilus W. L. Jepson 1897-7-24 Mendocino near Castle Peak (ne Mendocino County) Comment
  CAS-BOT-BC295747  Erigeron petrophilus var. petrophilus A. D. E. Elmer 1901-6-1 3382 Monterey Tassajara Hot Springs Comment
  CAS-BOT-BC295806  Erigeron petrophilus var. viscidulus W. R. Dudley 1901-8-22 s.n. Siskiyou East slope of Foxtail Ridge. Salmon Mts. Comment
  CAS-BOT-BC295738  Erigeron petrophilus var. petrophilus A. D. E. Elmer 1903-7-1 4649 Marin Point Reyes Post Office Comment
  CAS-BOT-BC295794  Erigeron petrophilus var. viscidulus A. D. E. Elmer 1903-7-1 4649 Marin Point Reyes Post Office Comment
  SBBG33460  Erigeron petrophilus var. petrophilus A. D. E. Elmer -Jul-1903 4649 Marin Point Reyes P O Comment
  UC204261  Erigeron petrophilus var. petrophilus A. D. E. Elmer Jul 1903 4649 Marin Point Reyes Post Office Comment
  CAS-BOT-BC295759  Erigeron petrophilus var. petrophilus W. R. Dudley 1903-8-1 s.n. Monterey Cone Peak ridge - Santa Lucia Mts. Comment
  CAS-BOT-BC33500  Erigeron petrophilus var. viscidulus Edwin Bingham Copeland 1903-8-17 s.n. Siskiyou Mt. Eddy 1402 Comment
  CAS-BOT-BC295807  Erigeron petrophilus var. viscidulus C. F. Baker 1903-8-18 887 Siskiyou Mt Eddy 2286 Comment
  POM52134  Erigeron petrophilus var. viscidulus C. F. Baker 1903-8-18 887 Siskiyou Mt. Eddy 2287 Comment
  UC198762  Erigeron petrophilus var. petrophilus C. F. Baker 1903-8-18 887 Siskiyou Mt. Eddy 2286 Comment
  CAS-BOT-BC295766  Erigeron petrophilus var. petrophilus R. J. Smith 1906-7-1 s.n. Santa Clara Mt Hamilton Comment
  UC154621  Erigeron petrophilus var. petrophilus R. J. Smith Jul 1906 5 Santa Clara Mt. Hamilton Comment
  CAS-BOT-BC295748  Erigeron petrophilus var. petrophilus L. E. Cox 1908-7-19 s.n. Monterey Cliff near Tassajara Hot Springs Comment
  UC130581  Erigeron petrophilus var. viscidulus H. M. Hall 1909-7-1 8588 Trinity summits near Dorleska<?>; Salmon Mountains 2164 Comment
  JEPS41446  Erigeron petrophilus var. petrophilus Geo. D. Butler 1910-7-9 1786 Siskiyou Shackleford Creek 1371 Comment
  POM35918  Erigeron petrophilus var. viscidulus Geo. D. Butler 1910-7-9 1786 Siskiyou Shackleford Creek 1372 Comment
  GH417550  Erigeron petrophilus var. viscidulus W. W. Eggleston 1911-8-6 7544 Unknown Bunch Grass Valley Comment
  UC1285745  Erigeron petrophilus var. viscidulus Annie M. Alexander and Louise Kellogg 1911-8-12 307 Siskiyou near Toad Lake 2072 Comment
Read comments
Nov 28 2018
  CAS-BOT-BC295742  Erigeron petrophilus var. petrophilus Alice Eastwood 1912-7-29 1545 Marin Mt. Tamalpais Comment
  CAS-BOT-BC295810  Erigeron petrophilus var. viscidulus Alice Eastwood 1912-8-30 2034 Siskiyou Mount Eddy Comment
  GH417551  Erigeron petrophilus var. viscidulus A. Eastwood 1912-8-30 2034 Unknown Mount Eddy Comment
  UC895898  Erigeron petrophilus var. viscidulus Alice Eastwood 1912-8-30 2034 Siskiyou Mount Eddy Comment
  CAS-BOT-BC295811  Erigeron petrophilus var. viscidulus A. A. Heller 1914-8-28 11737 Siskiyou East side of Mt. Eddy 2499 Comment
  CAS-BOT-BC295812  Erigeron petrophilus var. viscidulus A. A. Heller 1914-8-28 11737 Siskiyou East side of Mt. Eddy 2438 Comment
  GH417547  Erigeron petrophilus var. viscidulus A. A. Heller 1914-8-28 11737 Unknown east side of Mt. Eddy 2499 Comment
  UC179498  Erigeron petrophilus var. viscidulus A. A. Heller 1914-8-28 11737 Siskiyou e side Mt. Eddy 2499 Comment
  CAS-BOT-BC295731  Erigeron petrophilus var. petrophilus L. R. Abrams 1917-8-15 6706 San Benito Vancover [Vancouver] Pinnacles 335 Comment
  CAS-BOT-BC295732  Erigeron petrophilus var. petrophilus Alice Eastwood 1917-10-21 6743 San Benito The Pinnacles Comment
  CAS-BOT-BC295814  Erigeron petrophilus var. viscidulus A. A. Heller 1918-7-16 13032 Siskiyou Mt. Eddy, west of Sisson 2133 Comment
  GH417549  Erigeron petrophilus var. viscidulus A. A. Heller 1918-7-16 13032 Unknown Mt. Eddy, west of Sisson 2133 Comment
  RSA31950  Erigeron petrophilus var. viscidulus A. A. Heller 1918-7-16 13032 Siskiyou Mt Eddy Comment
  UC725338  Erigeron petrophilus var. viscidulus A. A. Heller 1918-7-16 13032 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC295813  Erigeron petrophilus var. viscidulus A. A. Heller 1918-7-16 13032 Siskiyou Mt. Eddy, west of Sisson 2133 Comment
  UC896087  Erigeron petrophilus var. petrophilus Alice Eastwood 1918-9-3 7919 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC295729  Erigeron petrophilus var. petrophilus Alice Eastwood 1918-9-3 7959 Napa Mt. St. Helena Comment
  CAS-BOT-BC295768  Erigeron petrophilus var. petrophilus Roxana S. Ferris 1922-7-15 3612 Santa Clara Mt. Umunhum, Sierra Azule Ridge Comment
  CAS-BOT-BC295741  Erigeron petrophilus var. petrophilus Rimo Bacigalupi 1922-11-12 s.n. Marin About Profile Rock, Mt. Tamalpais 640 Comment
  CAS-BOT-BC295743  Erigeron petrophilus var. petrophilus Mrs. E. C. Sutliffe 1923-8-1 s.n. Marin Mt. Tamalpais Comment
  CAS-BOT-BC295728  Erigeron petrophilus var. petrophilus F. P. Cronemiller 1923-8-22 851 Mendocino Lee Logan R. S. 1615 Comment
  CAS-BOT-BC295718  Erigeron petrophilus var. petrophilus John Thomas Howell 1923-11-12 249 Contra Costa Mt. Diablo Comment
  RSA93107  Erigeron petrophilus var. petrophilus H. L. Mason 1923-11-12 853 Contra Costa Low rocky slopes of Mt. Diablo Comment
Read comments
Feb 4 2013
  UC297882  Erigeron petrophilus var. viscidulus Milo S. Baker 1926-8-8 267 a-`26 Unknown near top Granite Peak 2438 Comment
  CAS-BOT-BC295723  Erigeron petrophilus var. petrophilus Milo S. Baker 1927-7-3 2291 b Lake Summit of Cobb Mt., South Lake Co. Comment
  GH417548  Erigeron petrophilus var. viscidulus S. F. Blake 1927-8-28 10349 Unknown near Petrified Forest, near Santa Rosa Comment
  UC691786  Erigeron petrophilus var. petrophilus Mary L. Bowerman 1930-10-19 489 Contra Costa at Garden-of-the-Gods; Mount Diablo, Fossil (Rock City) Ridge Comment
  CAS-BOT-BC295757  Erigeron petrophilus var. petrophilus John Thomas Howell 1930-10-24 5663 Monterey 2.3 miles east of The Indians, Santa Lucia Mts. Comment
  POM180609  Erigeron petrophilus J. T. Howell 1930-10-24 5663 Monterey 2.3 miles east of 'The Indians,' Santa Lucia Mts. Comment
  UC473465  Erigeron petrophilus var. petrophilus John Thomas Howell 1930-10-24 5663 Monterey 2.3 mi e The Indians; Santa Lucia Mts. Comment
  UC691787  Erigeron petrophilus var. petrophilus Mary L. Bowerman 1931-8-29 1034 Contra Costa summit Meridian Peak; Mount Diablo Comment
  CAS-BOT-BC295769  Erigeron petrophilus var. petrophilus John Thomas Howell 1933-8-13 11503 Santa Clara Summit of Mt. Hamilton Comment
  CAS-BOT-BC295804  Erigeron petrophilus var. viscidulus Louis C. Wheeler 1934-8-14 3140 Siskiyou Klamath National Forest. W. end White Mt. 1828 Comment
  RSA357588  Erigeron petrophilus var. viscidulus L. C. Wheeler 1934-8-14 3140 Siskiyou Siskiyou Mountains: Western end of White Mt. 1768 Comment
  RSA0030732  Erigeron petrophilus var. viscidulus L. C. Wheeler 1934-8-14 3140 Siskiyou Siskiyou Mountains: Western end of White Mt. 1768 Comment
  CAS-BOT-BC295803  Erigeron petrophilus var. viscidulus Louis C. Wheeler 1934-8-24 3219 Siskiyou Klamath National Forest. Trapper Creek 1859 Comment
  CAS-BOT-BC295805  Erigeron petrophilus var. viscidulus Louis C. Wheeler 1934-8-24 3219 Siskiyou Klamath National Forest. Trapper Cr. 1859 Comment
  CAS-BOT-BC295816  Erigeron petrophilus var. viscidulus Louis C. Wheeler 1934-8-24 3219 Siskiyou Trapper Creek, Siskiyou Mts. 1859 Comment
  POM211820  Erigeron petrophilus var. viscidulus L. C. Wheeler 1934-8-24 3219 Siskiyou Trapper Creek. 1860 Comment
  CAS-BOT-BC295802  Erigeron petrophilus var. viscidulus Joseph P. Tracy 1935-8-2 14437 Trinity Potato Mt. west slope 1828 Comment
  JEPS21939  Erigeron petrophilus var. viscidulus Joseph P. Tracy 1935-8-2 14437 Trinity w slope Potato Mt. 1828 Comment
  UC581747  Erigeron petrophilus var. viscidulus Joseph P. Tracy 1935-8-2 14437 Trinity w slope Potato Mt. 1828 Comment
  JEPS21940  Erigeron petrophilus var. viscidulus Joseph P. Tracy 1935-8-6 14579 Trinity at head White's Creek; Devil's Canyon Mts., White's Creek 2072 Comment
  UC581738  Erigeron petrophilus var. viscidulus Joseph P. Tracy 1935-8-6 14579 Trinity head of White's Creek; Devil's Canyon Mts. 2072 Comment
  UC536674  Erigeron petrophilus var. petrophilus G. Ledyard Stebbins 1935-9-15 Contra Costa Wildcat Canyon Berkeley Hills, Wildcat Canyon Comment
  CAS-BOT-BC295717  Erigeron petrophilus var. petrophilus Joseph Andorfer Ewan 1936-7-5 9735 Contra Costa Wildcat Creek Comment
  SBBG44960  Erigeron petrophilus J. A. Ewan 1936-7-5 9735 Contra Costa Wildcat Crk Comment
  RSA22313  Erigeron petrophilus Joseph A. Ewan 1936-7-5 9735 Contra Costa Wildcat Creek. Comment
  UC723893  Erigeron petrophilus var. petrophilus Joseph Andorfer Ewan 1936-8-5 9735 Contra Costa Wildcat Creek Comment
Read comments
Jul 1 2007
  UC571523  Erigeron petrophilus var. petrophilus H. K. Sharsmith 1936-9-13 3882 Santa Clara e slope Mt. Hamilton 685 Comment
  UC936180  Erigeron petrophilus var. petrophilus Chas. M. Belshaw 1936-9-19 2700 Lake Snow Mountain west Snow Mountain; Inner North Coast Range 2133 Comment
  CAS-BOT-BC295725  Erigeron petrophilus var. petrophilus Chas. M. Belshaw 1936-9-19 2700 Lake Inner North Coast Range. Snow Mountain (west) just below summit on SW facing slope 2133 Comment
  CAS-BOT-BC295799  Erigeron petrophilus var. viscidulus John Thomas Howell 1937-7-25 13500 Trinity Stuarts Fork of Trinity River 2225 Comment
  JEPS41445  Erigeron petrophilus var. petrophilus W. L. Jepson 1938-6-9 18921 Lake Bartlett Mountain Bartlett Mountain (n Lake County) 1127 Comment
  UC971967  Erigeron petrophilus var. petrophilus Gregory S. Lyon 1940-6-2 1427 San Benito on boundary of Merced County; Inner South Coast Ranges, San Carlos Range, Laveaga Peak 914 Comment
  CAS-BOT-BC295770  Erigeron petrophilus var. petrophilus Alice Eastwood 1940-7-7 s.n. Santa Clara Mt. Hamilton Comment
  UC971966  Erigeron petrophilus var. petrophilus Gregory S. Lyon 1941-6-4 1578 Merced Cathedral Peak Inner South Coast Ranges, San Carlos Range, Cathedral Peak 914 Comment
  CAS-BOT-BC295740  Erigeron petrophilus var. petrophilus John Thomas Howell 1942-7-12 17034 Marin Northside Trail, Mt. Tamalpais Comment
  HSC2231  Erigeron petrophilus var. petrophilus J. T. Howell 1942-7-12 17034 Marin Northside Trail Mt. Tamalpais Comment
  POM304547  Erigeron petrophilus J. T. Howell 1942-7-12 17034 Marin Northside Trail, Mt. Tamalpais Comment
  CHSC322  Erigeron petrophilus var. viscidulus V. Holt 1942-8-1 Trinity Trinity Alps. 2286 Comment
  UC1177261  Erigeron petrophilus var. petrophilus John Thomas Howell 1943-5-30 Marin Northside Trail Mt. Tamalpais, Northside Trail Comment
  POM357413  Erigeron petrophilus var. viscidulus M. B. Dunkle 1945-1 9309 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  CAS-BOT-BC295801  Erigeron petrophilus var. viscidulus Annie M. Alexander; Louise Kellogg 1948-8-5 5400 Trinity Trinity Mountains. Lower Canyon Lake 1737 Comment
  UC933472  Erigeron petrophilus var. viscidulus Annie M. Alexander and Louise Kellogg 1948-8-5 5400 Trinity Lower Canyon Lake Trinity Mountains, Lower Canyon Lake 1737 Comment
  SBBG38013  Erigeron petrophilus T. L. Secrest 1949-6-29 Trinity Forest Glen Comment
  RSA50263  Erigeron petrophilus var. viscidulus E. K. Balls 1949-7-4 13812 Trinity By Chloride Mine above Dedrick 915 Comment
  CAS-BOT-BC295733  Erigeron petrophilus var. petrophilus R. F. Hoover 1950-6-21 8000 San Luis Obispo Between Rocky Butte & Pine Mt., Santa Lucia Range Comment
  CAS-BOT-BC295730  Erigeron petrophilus var. petrophilus Peter H. Raven 1951-6-10 s.n. Napa Crater Region, e. of Palisades 762 Comment
  CAS-BOT-BC295776  Erigeron petrophilus var. sierrensis John Thomas Howell 1951-6-26 27525 Butte Near Pulga 365 Comment
  CAS-BOT-BC295793  Erigeron petrophilus var. sierrensis John Thomas Howell 1951-6-27 27625 Plumas Jamison Creek 1828 Comment
  JEPS3715  Erigeron petrophilus var. petrophilus V. F. Hesse 1951-8-17 763 Santa Cruz near Eagle Rock (n end of Ben Lomond Ridge); Ben Lomond Ridge 731 Comment
  CAS-BOT-BC295775  Erigeron petrophilus var. sierrensis John Thomas Howell 1951-8-19 28161 Butte 2 miles west of Pulga 365 Comment
  CAS-BOT-BC295735  Erigeron petrophilus var. petrophilus John H. Thomas 1953-7-15 3485 Santa Cruz Eagle Rock, about 4 miles NW of Boulder Creek 746 Comment
  JEPS21658  Erigeron petrophilus var. petrophilus John H. Thomas 1953-7-15 3485 Santa Cruz about 4 mi nw Boulder Creek; Eagle Rock 746 Comment
  RSA136094  Erigeron petrophilus John H. Thomas 1953-7-15 3485 Santa Cruz Eagle Rock, about 4 miles NW of Boulder Creek. 747 Comment
  UC1282031  Erigeron petrophilus var. viscidulus Louise Kellogg Aug 8 1953-Aug 9 1953 123 Siskiyou near Scott Mountain Public Campground; Klamath National Forest, Blue Point 1630 Comment
  CAS-BOT-BC295800  Erigeron petrophilus var. viscidulus A. R. Kruckeberg 1954-8-10 3736 Trinity About Sapphire Lake, Trinity Alp [Alps], Salmon-Trinity Primitive Area 2286 Comment
  CAS-BOT-BC295749  Erigeron petrophilus var. petrophilus John Thomas Howell 1954-11-3 30140 Monterey Arroyo Seco River Canyon, Santa Lucia Mts. Comment
  CAS-BOT-BC295760  Erigeron petrophilus var. petrophilus Philip A. Munz 1955-6-19 20916 Monterey Rocky trail down north ridge from Cone Peak, Santa Lucia Mts. 1524 Comment
  RSA116058  Erigeron petrophilus P. A. Munz 1955-6-19 20916 Monterey Rocky trail down north ridge from Cone Peak, Santa Lucia Mountains 1524 Comment
  CAS-BOT-BC295756  Erigeron petrophilus var. petrophilus John Thomas Howell 1955-7-8 30638 Monterey On Arroyo Seco road near Escondido Camp, Santa Lucia Mts. 792 Comment
  UC1577637  Erigeron petrophilus var. petrophilus John Thomas Howell 1955-7-8 30638 Monterey near Escondido Camp (on Arroyo Seco road); Santa Lucia Mts. 792 Comment
  RSA118075  Erigeron petrophilus J. T. Howell 1955-7-8 30638 Monterey Arroyo Seco Road, 3 miles from Escondido Camp, Santa Lucia Mountains. 793 Comment
  RSA101394  Erigeron petrophilus var. sierrensis R. Weatherby 1955-7-21 1650 Plumas Rocky Point, top of No Ear Bar trail, Middle Fork Feather River. 1524 Comment
  UC1075734  Erigeron petrophilus var. sierrensis Robert J. Weatherby 1955-7-21 1650 Plumas head No Ear Bar Trail; Middle Fork Feather River, Rocky Point 1524 Comment
  CAS-BOT-BC295815  Erigeron petrophilus var. viscidulus Ira L. Wiggins 1955-7-27 13560 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  UC1190269  Erigeron petrophilus var. viscidulus Ira L. Wiggins 1955-7-27 13560 Siskiyou Caribou Lake Salmon-Trnity Alps Primitive Area, Caribou Lake 2042 Comment
  CAS-BOT-BC295724  Erigeron petrophilus var. petrophilus Philip A. Munz 1956-7-25 22318 Lake West Peak Ridge, Snow Mt. 2072 Comment
  CAS-BOT-BC295765  Erigeron petrophilus var. petrophilus Philip A. Munz 1956-7-25 22359 Lake Long Ridge Trail, Fir Root Spring to Snow Mountain 1645 Comment
  RSA109913  Erigeron petrophilus P. A. Munz 1956-7-25 22359 Lake Long ridge Trail, Fir Root Spring to Snow Mtn. 1646 Comment
  RSA111662  Erigeron petrophilus P. A. Munz 1956-7-25 22318 Lake West Peak Ridge, Snow Mountain. 2073 Comment
  CAS-BOT-BC295809  Erigeron petrophilus var. viscidulus Peter H. Raven 1956-9-4 10410 Siskiyou S. slope of Mt. Eddy 2682 Comment
  JEPS16958  Erigeron petrophilus var. viscidulus Peter H. Raven 1956-9-4 10410 Siskiyou rocky s slope Mount Eddy 2651 Comment
  CAS-BOT-BC295734  Erigeron petrophilus var. petrophilus R. F. Hoover 1957-8-28 8402 San Luis Obispo Between Rocky Butte and Pine Mt., above San Simeon Comment
  CAS-BOT-BC295762  Erigeron petrophilus var. petrophilus Clare B. Hardham 1957-9-21 2630 Monterey Santa Lucia Mountains. Top of Cone Peak Comment
  CAS-BOT-BC295763  Erigeron petrophilus var. petrophilus Ernest C. Twisselmann 1957-9-21 4099 Monterey Summit of Cone Peak 1571 Comment
  SBBG109749  Erigeron petrophilus C. B. Hardham 1957-9-21 2630 Monterey top of Cone Peak Comment
  JEPS23996  Erigeron petrophilus var. viscidulus Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6857 Trinity Summit of Scott Mtn. 2072 Comment
  JEPS23998  Erigeron petrophilus var. viscidulus Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6859 Trinity in scree, below summit Scott Mtn. 2072 Comment
  SBBG8135  Erigeron petrophilus C. B. Hardham 1958-9-12 3969 Monterey Cone Peak 1219 Comment
  CAS-BOT-BC295808  Erigeron petrophilus var. viscidulus Douglas Barbe 1959-7-4 532 Siskiyou North shore of Caribou Lk., about 4 mi SW of Big Flat Camp, Klamath Nat'l Forest 2103 Comment
  CAS-BOT-BC295774  Erigeron petrophilus var. sierrensis John Thomas Howell 1959-9-26 s.n. Butte At Pulga Bridge, Feather River Canyon Comment
  CAS-BOT-BC295744  Erigeron petrophilus var. petrophilus Clare B. Hardham 1960-7-10 6351 Monterey Santa Lucia Mountains. The Palisades of the Nacimiento 304 Comment
  JEPS99086  Erigeron petrophilus Clare B. Hardham 1960-7-10 6351 Monterey The Palisades of the Nacimiento Santa Lucia Mountains 304 Comment
  SBBG12616  Erigeron petrophilus C. B. Hardham 1960-7-10 6351 Monterey Palisades of the Nacimiento 304 Comment
  RSA142427  Erigeron petrophilus Clare B. Hardham 1960-7-10 6351 Monterey The Palisades of the Nacimiento 305 Comment
  CAS-BOT-BC295751  Erigeron petrophilus var. petrophilus Clare B. Hardham 1960-7-15 6388 Monterey Santa Lucia Mountains. The Indians, headwaters of the Arroyo Seco R. 670 Comment
  CAS-BOT-BC295754  Erigeron petrophilus var. petrophilus D. E. Breedlove 1961-8-13 978 Monterey Along the Arroyo Seco River; 0.5 mile west of Arroyo Seco Guard Station; Santa Lucia Mountains 396 Comment
  CAS-BOT-BC295753  Erigeron petrophilus var. petrophilus D. E. Breedlove 1961-8-27 1001 Monterey North face of Cone Peak, 7 miles north of Nacimiento Summit; Santa Lucia Mountains 1249 Comment
  UCSB15438  Erigeron petrophilus Breedlove, Dennis 1961-8-27 Monterey North face of Cone Peak, 7 miles north of Nacimiento Summit; Santa Lucia Mountains 1249 Comment
  SBBG18313  Erigeron petrophilus C. B. Hardham 1961-9-23 7340 Monterey Del Venturi, NW of Jolon Comment
  CAS-BOT-BC295764  Erigeron petrophilus var. petrophilus Clare B. Hardham 1961-9-23 7340 Monterey Del Venturi, northwest of Jolon Comment
  CDA4947  Erigeron petrophilus Clare B. Hardham 1961-9-23 7340 Monterey Del Venturi, northwest of Jolon. 0 Comment
  RSA165613  Erigeron petrophilus Clare B. Hardham 1961-9-23 7340 Monterey Del Venturi, NW of Jolon Comment
  UCSB17176  Erigeron petrophilus Hardham, Clare 1961-9-23 Monterey Del Venturi, northwest of Jolon Comment
  CAS-BOT-BC295745  Erigeron petrophilus var. petrophilus Hardham 1962-6-30 10420 Monterey The Indians. Headwaters Arroyo Seco R. Comment
  CAS-BOT-BC295761  Erigeron petrophilus var. petrophilus Clare B. Hardham 1962-6-30 10420 Monterey Santa Lucia Mountains. The Indians. Headwaters Arroyo Seco R. Comment
  CAS-BOT-BC295752  Erigeron petrophilus var. petrophilus Beatrice F. Howitt 1963-7-10 1659 Monterey Up Chualar Canyon about 2 mi. from the Old's house, e. Monterey Co. Comment
  PGM5329  Erigeron petrophilus var. petrophilus Beatrice F Howitt 1963-7-10 1659 Monterey Gabilan Range, Chualar Canyon, Mrs Brown's House 2 miles from Comment
  UC1337985  Erigeron petrophilus var. petrophilus Paul C. Hutchison with J. K. Wright and R. Bacigalupi 1963-8-17 2716 Mendocino about 3/4 mi e Impassable Rock (on s slopes of Rattlesanke Pinnacle, n slope of Mt. Sanhedrin); Mt. Sanhedrin, Rattlesnake Pinnacle 1737 Comment
  UCD19403  Erigeron petrophilus Gerald Dickinson 1964-7-22 212 Glenn St. John's Mountain. Comment
  SBBG16976  Erigeron petrophilus C. B. Hardham 1964-7-29 12286 San Luis Obispo near Burnett Pk Comment
  CAS-BOT-BC295750  Erigeron petrophilus var. petrophilus Vernal Yadon 1966-6-25 s.n. Monterey East of Cone Pk. road Comment
  PGM26  Erigeron petrophilus var. petrophilus Vern Yadon 1966-6-25 Monterey Santa Lucia Mountains, Cone Peak Rd end of, Occasional along unfinished end of rd Comment
  HSC2361  Erigeron petrophilus var. viscidulus William J. Ferlatte 1966-8-19 450 Trinity Meadow above Ward Lake 2226 Comment
  JEPS74539  Erigeron petrophilus var. viscidulus W. J. Ferlatte 1966-8-19 450 Trinity open meadow above lake Ward Lake; Trinity Alps, Ward Lake 2225 Comment
  RSA211211  Erigeron petrophilus var. viscidulus William J. Ferlatte 1966-8-19 450 Trinity Ward Lake. 2226 Comment
  CAS-BOT-BC295758  Erigeron petrophilus var. petrophilus P. V. Wells; Walter Knight; Irja Knight 1966-9-9 2008 Monterey Santa Lucia Mountains. Near ranger station at The Indians Comment
  HSC835  Erigeron petrophilus var. viscidulus William J. Ferlatte 1967-8-7 843 Trinity Canyon Creek Lakes. 1646 Comment
  RSA211201  Erigeron petrophilus var. viscidulus William J. Ferlatte 1967-8-7 843 Trinity Canyon Creek Lakes 1646 Comment
  JEPS57159  Erigeron petrophilus var. viscidulus L. R. Heckard 1967-8-12 1662 Siskiyou ridge about 2 air miles nw Mt. Eddy summit 2255 Comment
  HSC767  Erigeron petrophilus var. viscidulus William J. Ferlatte 1967-8-16 940 Trinity E side of Packers Peak 1982 Comment
  RSA211212  Erigeron petrophilus William J. Ferlatte 1967-8-16 940 Trinity east side of Packers Peak, dry open slope. 1982 Comment
  HSC779  Erigeron petrophilus var. viscidulus William J. Ferlatte 1967-8-17 954 Siskiyou Yellow Rose Mine 1982 Comment
  CAS-BOT-BC295777  Erigeron petrophilus var. sierrensis G. L. Stebbins 1968-7-20 6805 El Dorado Junction Dam, west of Union Valley Reservoir Comment
  CAS-BOT-BC295778  Erigeron petrophilus var. sierrensis G. L. Stebbins 1968-7-20 6820 El Dorado Foot of Jaybird Falls, above Jaybird Power House in canyon of Silver Creek 1097 Comment
  UCD75661  Erigeron petrophilus var. sierrensis G. Ledyard Stebbins 1968-7-20 6805 El Dorado this collection number has two sets of notes made by Stebbins. The handwritten notes say: Junction Dam, west of Union Valley Reservoir, 20 July 1968. The typed notes say: South side of Silver Creek Canyon, at Junction Dam, 23 July 1968, 4500 ft, T12N, R14E, Sec. 30. The notes on the newspaper of the collection say: Junction Dam, 20 July 1968. (Exact location unknown; coordinates estimated by label maker.) 1371 Comment
  UCD75670  Erigeron petrophilus var. sierrensis G. Ledyard Stebbins 1968-7-20 6820 El Dorado This collection number has two sets of notes made by Stebbins. His handwritten notes say: Foot of Jaybird Falls, above Jaybird Power House in canyon of Silver Creek, 3600 ft. 20 July 1968. His typed notes say: Silver Creek Canyon, immediately east of Jaybird Powerhouse. 3100 ft. 23 July 1968. (Exact location unknown. Coordinates estimated by label maker.) 1097 Comment
  CAS-BOT-BC295791  Erigeron petrophilus var. sierrensis G. L. Stebbins 1968-8-1 6844 Plumas Devil's Punchbowl, on Grizzly Mountain north of Quincy 2225 Comment
  UCD150223  Erigeron petrophilus var. sierrensis G. Ledyard Stebbins 1968-8-1 6844 Plumas East Slope of Grizzly Peak, southwest of Taylorsville. (Exact location unknown. Coordinates estimated by label maker. Note: this location taken from Stebbins's notebook. Location given on label made by Stebbins is: Devil's Punchbowl, on Grizzly Mountain, north of Quincy. Date in notebook is 3 Aug 1968 and date on label is 1 Aug 1968. Elevation in notebook is 7500 ft. and elevation on label is 7300 ft.) 2225 Comment
  HSC41051  Erigeron petrophilus var. viscidulus J. O. Sawyer 1969-7-9 1108 Siskiyou Dry slope above Little Duck Lake. Grandiorite 2012 Comment
  HSC39755  Erigeron petrophilus var. viscidulus J. O. Sawyer 1969-8-1 1636 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  JEPS59908  Erigeron petrophilus var. petrophilus Walter Knight 1969-10-22 2799 Alameda near mouths of caves Rocky Ridge (ca. 1 mi ssw of military facility, on Mueller property, soon to be included in Las Trampas Regional Park); Los Trampas Regional Park, Rocky Ridge 533 Comment
  HSC32257  Erigeron petrophilus var. viscidulus J. O. Sawyer 1970-7-6 2331 Siskiyou 1662 Comment
  CAS-BOT-BC295782  Erigeron petrophilus var. sierrensis G. L. Stebbins 1970-7-25 7082 Sierra Northwest ridge of Mt. Fillmore 1950 Comment
  UCD150211  Erigeron petrophilus var. sierrensis G. Ledyard Stebbins 1970-7-25 7082 Sierra Northwest ridge of Mt. Fillmore. (Exact location unknown. Coordinates estimated by label maker.) 1950 Comment
  HSC12659  Erigeron petrophilus var. viscidulus William J. Ferlatte, Alice Q. Howard 1970-8-8 1276 Trinity Boulder Creek Basin 1585 Comment
  HSC28709  Erigeron petrophilus var. viscidulus William J. Ferlatte 1971-9-18 1383 Siskiyou Caribou Basin, Sawtooth Ridge at summit of trail to Stewart Fork 2287 Comment
  HSC30272  Erigeron petrophilus var. viscidulus William J. Ferlatte 1971-9-18 1383 Siskiyou Sawtooth Ridge between Caribou Basin and Stuarts Fork 2287 Comment
  SJSU7553  Erigeron petrophilus D. J. Powers 1972-6-15 725 Santa Clara Middle Fork Coyote Creek 0.25 mi below Skeel Meadow, Henry Willard Coe State Park, E of Morgan Hill, Mt Hamilton Range Comment
  JEPS68365  Erigeron petrophilus var. petrophilus L. R. Heckard 1972-6-26 2999 Napa se of lookout on peak Mt. St. Helena (below radar station) 1188 Comment
  JEPS73515  Erigeron petrophilus var. petrophilus L. R. Heckard 1972-7-10 3133 Colusa overlooking and 3 mi nw Fouts Springs (se corner of Snow Mt.); Snow Mt. 1828 Comment
  CAS-BOT-BC295796  Erigeron petrophilus var. viscidulus Eugene Carter 1972-8-18 523 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity. (18 mi. NW of Weaverville.) 1/4 mile north of Keystone Flat 883 Comment
  CAS-BOT-BC295797  Erigeron petrophilus var. viscidulus Eugene Carter 1972-8-18 522 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity. (18 mi. NW of Weaverville.) 1/4 mile north of Keystone Flat 883 Comment
  HSC26151  Erigeron petrophilus var. viscidulus J. P. Smith, J. O. Sawyer 1972-9-12 5776 Siskiyou Scott Mtn., slopes E of Big Carmen Lake 1982 Comment
  CAS-BOT-BC295736  Erigeron petrophilus var. petrophilus J. P. Smith; J. O. Sawyer 1973-7-27 7176 Trinity Trail to Deadfall Lakes 2072 Comment
  HSC35889  Erigeron petrophilus var. viscidulus J. P. Smith, J. O. Sawyer 1973-7-27 7176 Trinity Trail to Deadfall Lakes 2073 Comment
  HSC34354  Erigeron petrophilus var. viscidulus J. P. Smith, J. O. Sawyer 1973-8-14 7305 Siskiyou On trail from Campbell Lake to Cliff Lake 1829 Comment
  RSA259554  Erigeron petrophilus var. viscidulus J. P. Smith, J. O. Sawyer 1973-8-14 7305 Siskiyou On trail from Campbell Lake to Cliff Lake. 1828 Comment
  CAS-BOT-BC295798  Erigeron petrophilus var. viscidulus Eugene Carter 1973-9-13 697 Trinity Salmon-Trinity Alps and vicinity. Along the Limestone Ridge Trail 1 mile north of Cabin Peak 1731 Comment
  CAS-BOT-BC295773  Erigeron petrophilus var. sierrensis Walter S. Lennon 1974-1-1 s.n. Butte Near Pulga Comment
  JEPS75972  Erigeron petrophilus var. viscidulus William J. Ferlatte 1974-8-16 1660 Trinity Deer Creek Pass, Siligo Peak-Summit Lake area Trinity Alps 2286 Comment
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Jun 11 2012
  HSC33326  Erigeron petrophilus var. viscidulus William J. Ferlatte 1974-8-16 1660 Trinity Siligo Peak-Summit Lake area, Deer Creek Pass 2287 Comment
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Jun 11 2012
  CAS-BOT-BC295783  Erigeron petrophilus var. sierrensis Margaret Williams; Arnold Tiehm 1974-8-17 74 /5/55 Sierra Verdi Ridge, Verdi Range Comment
  JEPS80151  Erigeron petrophilus var. petrophilus L. R. Heckard 1974-9-8 3833 Lake just s Lookout at summit (Lake County at Colusa County line); Goat Mountain 1859 Comment
  JEPS83810  Erigeron petrophilus L. R. Heckard 1974-9-8 3833 Lake just s Lookout at summit (Lake County at Colusa County line); Goat Mountain 1859 Comment
  JEPS75723  Erigeron petrophilus var. petrophilus L. R. Heckard 1974-9-9 3858 Colusa 0.25 mi se Foutch Camp; Snow Mt. 1828 Comment
  JEPS75738  Erigeron petrophilus var. petrophilus L. R. Heckard 1974-9-10 3899 Colusa e slope East Peak; Snow Mt., East Peak 2103 Comment
  HSC46777  Erigeron petrophilus var. viscidulus J. M. DiTomaso 1975-8-12 255 Trinity Just above Deer Creek Trail on Black Basin Trail 1860 Comment
  UCD132016  Erigeron petrophilus Joseph M. DiTomaso 1975-8-12 255 Trinity Trinity Alps, just above Deer Creek Trail on Black Basin Trail. 1859 Comment
  CAS-BOT-BC295780  Erigeron petrophilus var. sierrensis Emily McPherson 1975-8-27 75- 70 -2 Nevada Lower Lola Montez Lakes north of Soda Springs 2590 Comment
  JEPS76719  Erigeron petrophilus var. viscidulus L. R. Heckard 1975-9-7 4152 Mendocino ca. air miles ne Covelo (nw of Leech Lake Mt.) 1859 Comment
  JEPS76720  Erigeron petrophilus var. petrophilus L. R. Heckard 1975-9-7 4152 Mendocino ca. air miles ne Covelo (nw of Leech Lake Mt.) 1859 Comment
  JEPS83868  Erigeron petrophilus var. petrophilus Wayne Roderick 1976-7-1 Siskiyou vicinity Cook and Green Pass (along trail to Copper Butte); Siskiyou Mts. 1767 Comment
  HSC92788  Erigeron petrophilus var. viscidulus Jennifer Whipple 1976-7-9 1359 Siskiyou Dobkins Lake drainage on E facing slopes above Dobkins Lake 2256 Comment
  HSC92789  Erigeron petrophilus var. viscidulus Jennifer Whipple 1976-7-13 1462 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River 2256 Comment
  HSC93824  Erigeron petrophilus var. viscidulus Jennifer Whipple 1976-8-19 1695 Trinity Deadfall Drainage near Upper Deadfall Lakes 2378 Comment
  HSC93852  Erigeron petrophilus var. viscidulus Jennifer Whipple 1976-8-19 1695 Trinity Deadfall Drainage near Upper Deadfall Lakes 2378 Comment
  HSC42554  Erigeron petrophilus var. viscidulus Robert M. Specht 1977-6-28 1102 Trinity Ridge on Round Mtn. 1494 Comment
  HSC42479  Erigeron petrophilus var. viscidulus Robert M. Specht 1977-6-30 1128 Trinity N-S running ridge with steep W slope 1631 Comment
  SD98915  Erigeron petrophilus Darley F. Howe 1977-6-30 4957 Trinity Weaver Bally Road 1675 Comment
  SDSU3957  Erigeron petrophilus D. F. Howe 1977-6-30 4957 Trinity Weaver Bally Rd. 1676 Comment
  UCD132017  Erigeron petrophilus W. C. Overton Jr. 1977-7-9 s.n. Trinity on trail from Big Flat (on divide between Coffee Creek and South Fork of Salmon River) to lookout on Packers Peak, Shasta National Forest. 2072 Comment
  HSC46596  Erigeron petrophilus var. petrophilus J. P. Smith, J. O. Sawyer, Thomas W. Nelson 1977-7-14 9367 Mendocino Mendocino National Forest, top of Hull Mtn. 2095 Comment
  RSA298343  Erigeron petrophilus J. P. Smith, J. O. Sawyer, T. W. Nelson 1977-7-14 9367 Mendocino Mendocino National Forest. Top of Hull Mountain. 2095 Comment
  CAS-BOT-BC295789  Erigeron petrophilus var. sierrensis F. Thomas Griggs 1977-7-23 s.n. Plumas Soda Ridge area 3 to 4 miles north of Belden Comment
  PGM1657  Erigeron petrophilus var. petrophilus Vern Yadon 1977-7-23 Monterey Santa Lucia Mountains, The Indians, Growing in Vaqueros Sandstone Comment
  RSA298998  Erigeron petrophilus var. petrophilus J. L. Strother 1977-7-26 1280 Lake Hull Mountain along Horse Ridge 200-400 m east of lookout station 2075 Comment
  UC1443484  Erigeron petrophilus var. petrophilus J. L. Strother 1977-7-26 1280 Lake Hull Mt.; along Horse Ridge, 200-300 m e of lookout station 2075 Comment
  HSC92418  Erigeron petrophilus var. viscidulus Jennifer Whipple 1977-8-3 2093 Trinity Mt. Eddy, slopes N of Deadfall Lake in the Deadfall drainage 2195 Comment
  HSC92776  Erigeron petrophilus var. viscidulus Jennifer Whipple 1977-8-4 2155 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2226 Comment
  HSC92619  Erigeron petrophilus var. viscidulus Jennifer Whipple 1977-8-6 2221 Siskiyou Dobkins Lake drainage on E facing slope above Dobkins Lake 2256 Comment
  HSC65405  Erigeron petrophilus var. viscidulus Rich White 1978-7-5 232 Del Norte Summit of Kelsey Trail and Backbone 1768 Comment
  HSC92399  Erigeron petrophilus var. viscidulus Jennifer Whipple 1978-10-6 2376 Trinity Slopes N of Deadfall Creek 2256 Comment
  PGM1911  Erigeron petrophilus var. petrophilus Vern Yadon 1979-5-31 San Benito Pescadero Canyon S of Fremont Peak, In rock outcrops Comment
  CHSC28668  Erigeron petrophilus var. petrophilus J. D. Jokerst 1979-7-5 345 Glenn Plaskett Ridge, S. of bend in road 22N11. Comment
  CAS-BOT-BC295719  Erigeron petrophilus var. petrophilus J. D. Jokerst 1979-7-5 345 Glenn South of Yellow Jacket Meadow on lower flanks of Black Butte, at band in road 22N11 Comment
  JEPS78292  Erigeron petrophilus var. petrophilus James R. Griffin 1979-7-12 4169 Monterey Chews Ridge region Los Padres National Forest, Santa Lucia Range, Black Butte 1478 Comment
  HSC65019  Erigeron petrophilus var. viscidulus D. L. Goforth 1979-7-19 260 Siskiyou Trinity Alps Wilderness Area, Caribou Lakes Basin, 0.3 mi. NW of upper lake 2134 Comment
  HSC64974  Erigeron petrophilus var. viscidulus D. L. Goforth 1979-7-21 300 Trinity Trinity Alps Wild Area, Upper Union Creek 1890 Comment
  HSC65902  Erigeron petrophilus var. viscidulus M. A. Baker 1980-7-1 2572 Trinity Near Hayden Roughs 212 Comment
  HSC65472  Erigeron petrophilus var. viscidulus Gail Newton 1980-7-2 955 Trinity Near N Kelsey Peak 350 Comment
  CHSC32177  Erigeron petrophilus var. petrophilus James Jokerst 1980-7-30 1012 Mendocino North Coast Ranges. Near Anthony Peak. Comment
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Jul 16 2007
  CHSC32217  Erigeron petrophilus var. petrophilus James Jokerst 1980-8-6 1056 Colusa North Coast Ranges. Near Snow Mountain (WEST). Comment
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Jul 16 2007
  HSC65825  Erigeron petrophilus var. viscidulus D. Reed 1980-8-6 285 Siskiyou Klamath National Forest, rocky knoll S of Tom Martin Peak 1982 Comment
  HSC75544  Erigeron petrophilus var. viscidulus J. O. Sawyer 1980-8-8 4018 Trinity Slopes behind Luella Lake 2226 Comment
  CAS-BOT-BC295784  Erigeron petrophilus var. sierrensis Lowell Ahart 1980-8-12 2528 Yuba About 2 miles south-east of Woodleaf 800 Comment
  CHSC46918  Erigeron petrophilus var. sierrensis Lowell Ahart 1980-8-12 2528 Yuba Near the dirt road, about 2 miles south-east of Woodleaf. 731 Comment
  CAS-BOT-BC295795  Erigeron petrophilus var. viscidulus M. S. Taylor 1980-8-26 3303 A Trinity Along Swift Creek trail, just past Bear Creek trail jct; ca. 8 mi w of Trinity Center 1524 Comment
  CHSC32241  Erigeron petrophilus var. viscidulus James Jokerst 1980-9-4 1112 Mendocino North Coast Ranges. Near Leach Lake Mountain. Comment
  CHSC32254  Erigeron petrophilus var. petrophilus James Jokerst 1980-9-5 1122 Lake North Coast Ranges. Near Hull Mountain. Comment
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Jul 16 2007
  CAS-BOT-BC295788  Erigeron petrophilus var. sierrensis M. S. Taylor; W. Dakon; T. Griggs 1980-9-27 3346 A Plumas Ca. 1/4 mi s of Bucks Lake-Spanish Ranch Rd, ca. 1/4 mi e of Frenchman Hill, ca. 20 mi sw of Quincy 1645 Comment
  CHSC30930  Erigeron petrophilus var. sierrensis M. S. Taylor; W. Dakon, T. Griggs 1980-9-27 3346 A Plumas Ca. 1/4 mi s of Bucks Lake-Spanish Ranch Rd, ca. 1/4 mi e of Frenchman Hill, ca. 20 mi sw of Quincy. 1645 Comment
  HSC72955  Erigeron petrophilus var. sierrensis M. S. Taylor 1980-9-27 3346 Plumas 0.25 mi. S of Bucks Lake-Spanish Ranch Rd., 0.25 mi. E of Frenchman Hill, 20 mi. SW of Quincy 1646 Comment
  CAS-BOT-BC295771  Erigeron petrophilus var. sierrensis M. S. Taylor 1981-6-19 3962 Butte N side of Feather River Hwy 70, at nw end of Pulga bridge and along Pulga Rd, ca. 20 mi ne of Oroville Comment
  CHSC61906  Erigeron petrophilus var. sierrensis M. S. Taylor 1981-6-19 3962 Butte N side of Feather River Hwy 70, at nw end of Pulga bridge and along Pulga Rd, ca. 20 mi ne of Oroville. Comment
  CAS-BOT-BC295772  Erigeron petrophilus var. sierrensis Lowell Ahart 1981-7-7 2932 Butte Ca. 0.5 mi. W of the Forbestown Res., NE of Forbestown 750 Comment
  CHSC34042  Erigeron petrophilus var. sierrensis L. Ahart 1981-7-7 2932 Butte On a large hillside s of the rd, ca. 1/2 mi w of the Forbestown Reservoir, ne of Forbestown. 750 Comment
  CAS-BOT-BC295790  Erigeron petrophilus var. sierrensis Lowell Ahart 1981-7-21 2945 Plumas Above the head of Dixon Creek, 1/8 mi. below the Buzzards Roost Ridge, ca. 1.5 mi. N of Pilot Peak 1800 Comment
  CHSC46919  Erigeron petrophilus var. sierrensis Lowell Ahart 1981-7-21 2945 Plumas Near the head of Dixon Creek, 1/8 mile below the Buzzards Roost Ridge, about 1 1/2 miles northwest of Pilot Peak. 1676 Comment
  UCD63175  Erigeron petrophilus var. petrophilus Jake Ruygt 1981-7-23 1083 Napa Berryessa Peak. 914 Comment
  JEPS80811  Erigeron petrophilus var. petrophilus L. R. Heckard and J. C. Hickman 1981-7-31 5784 Colusa e side Snow Mt. (rock promontory called Fouts Springs Overlook); , Fouts Springs Overlook 1798 Comment
  CAS-BOT-BC295792  Erigeron petrophilus var. sierrensis M. S. Taylor 1981-8-25 4238 Plumas Red Hill Lookout, ca. 3 air mi ne of Belden 1920 Comment
  CAS-BOT-BC295720  Erigeron petrophilus var. petrophilus Clare R. Wheeler 1982-7-11 3194 Glenn Mendocino National Forest. On road between Plaskett Meadows & Keller Lake Ca. 1 mi. SW of summit of Black Butte 1935 Comment
  CAS-BOT-BC295726  Erigeron petrophilus var. petrophilus Clare R. Wheeler; Gladys L. Smith 1982-7-11 3220 Mendocino Anthony Peak. Mendocino National Forest 2118 Comment
  CAS-BOT-BC295781  Erigeron petrophilus var. sierrensis Lowell Ahart 1982-7-28 3699 Sierra About 1/4 mile north of the Pacific Mine, about 5 miles east of the town of La Porte 1700 Comment
  CAS-BOT-BC295722  Erigeron petrophilus var. petrophilus R. D. Stone 1983-6-15 547 Lake In upper Alder Creek drainage, ca. 1.1 mi. NNW of Geyser Rock 914 Comment
  CAS-BOT-BC295727  Erigeron petrophilus var. petrophilus Clare R. Wheeler 1983-6-23 3470 Mendocino Mendocino National Forest. Road 20N02 at Tar Flat Forest Station 1511 Comment
  HSC83680  Erigeron petrophilus var. petrophilus Clare R. Wheeler 1983-6-23 3470 Mendocino Mendocino National Forest, Rd. 20N02 at Tar Flat Forest Station 1512 Comment
  CAS-BOT-BC295721  Erigeron petrophilus var. petrophilus R. D. Stone 1983-6-23 574 Lake In upper Alder Cr. drainage, north slope Cobb Mt., ca. 0.7 mi. NNE of Geyser Rock 883 Comment
  CAS-BOT-BC295746  Erigeron petrophilus var. petrophilus Jeanette Carpenter 1983-6-25 303 Monterey South Fork Devil's Canyon, Santa Lucia Mountains. Found near summit of Cone Peak near the outhouse on west-facing slope 1560 Comment
  CHSC39558  Erigeron petrophilus var. sierrensis Lowell Ahart 1983-7-24 4206 Butte At the Forbestown Res., about 5 miles north-east of Forbestown. 450 Comment
  HSC79348  Erigeron petrophilus var. viscidulus D. K. Imper 1983-7-28 Trinity 1.5 to 2 mi. E of Cedar Gap or junction 1S02, 1/3 mi. S of 29N30 1250 Comment
  CHSC67339  Erigeron petrophilus var. sierrensis J. D. Jokerst 1984-8-15 2147 Butte Along edge of Pulga Road within 100 meters of its junction with Highway 70. Canyon of the North Fork of the Feather River. Comment
  CHSC67425  Erigeron petrophilus var. sierrensis James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2568 Plumas Top of Red Mtn. above Rich Gulch Rd., N of Hwy. 70. Comment
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Dec 3 2009
  CHSC67426  Erigeron petrophilus var. sierrensis James D. Jokerst; Lowell Ahart 1985-10-4 2584 Plumas Pilot Peak serpentine NE of La Porte. Comment
  CHSC48152  Erigeron petrophilus var. sierrensis Vernon Oswald 1986-7-10 2192 Plumas LaPorte-Quincy Rd. at S. Fork of Feather R. 1965 Comment
  SBBG100488  Erigeron petrophilus W. L. Halvorson 1987-6-8 San Benito N of the High Peaks Trail, Pinnacles Nat Monument Comment
  UC1553593  Erigeron petrophilus var. viscidulus E. Dean 1988-7-11 111 Shasta exposed rocks on w side Castle Dome; Castle Crags 1493 Comment
  CHSC44904  Erigeron petrophilus var. sierrensis Lowell Ahart 1988-7-28 6138 Butte At the north side of the dam at Lost Creek Reservoir. 1036 Comment
  CHSC70223  Erigeron petrophilus var. sierrensis B. Castro; R. Fallscheer, R. Zebell 1989-8-7 366 Yuba Ca 2.5 air mi S of Bucks Lake, on the south flank of Red Mtn, at jcn USFS Rds 23N18, 23N15, and 23N69. Comment
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Jul 16 2007
  RSA696015  Erigeron petrophilus var. viscidulus Barbara Ertter 1990-7-14 9328 Siskiyou Wagon Creek on E side of Mt. Eddy, ca 4 airmiles W of Mt. Shasta City. 1951 Comment
  CHSC50792  Erigeron petrophilus var. sierrensis Vernon Oswald; Lowell Ahart 1990-7-31 4414 Butte Jeep Trail between Concow Rd and Rim Rd, ca. 2 mi northeast of Concow. 902 Comment
  UC1562351  Erigeron petrophilus var. viscidulus Vernon Oswald and Lowell Ahart 1990-7-31 4414 Butte 2 mi ne Concow (on Jeep Trail between Concow Road and Rim Road) 902 Comment
  CHSC63955  Erigeron petrophilus var. sierrensis B. Castro; J. Jurewicz 1991-8-1 475 Plumas Along USFS Rd 22N29 down the narrow SW-trending ridge from Arkansas Ravine, and separating Bear Gulch on the W from Pigtail and Hunter's Ravines on the E. 1463 Comment
  CHSC54515  Erigeron petrophilus var. sierrensis Vernon H. Oswald; Beth Corbin 1991-8-13 4824 Plumas Spur road to Middle Campground, located off of Forest Rd 26N26.2, ca. 4 miles south of the PG and E Campground in Humbug Valley. Along the road. 1304 Comment
  CHSC66912  Erigeron petrophilus var. sierrensis James D. Jokerst 1992-1-1 3439 Plumas Comment
  CHSC67468  Erigeron petrophilus var. viscidulus James D. Jokerst 1992-7-30 3432 Siskiyou Camp above Tamarack Flat, NW of Mt. Eddy. Comment
  CAS-BOT-BC295785  Erigeron petrophilus var. sierrensis L. P. Janeway 1993-7-15 4442 Plumas Plumas National Forest, Quincy Ranger District. Flat on top of saddle between Bean Creek (a tributary of upper Spanish Creek) and Berry Creek (a tributary of East Branch North Fork Feather River) 1569 Comment
  CAS-BOT-BC295786  Erigeron petrophilus var. sierrensis L. P. Janeway 1993-7-15 4443 Plumas Plumas National Forest, Quincy Ranger District. Flat on top of saddle between Bean Creek (a tributary of upper Spanish Creek) and Berry Creek (a tributary of East Branch North Fork Feather River) 1569 Comment
  CHSC61907  Erigeron petrophilus var. sierrensis L. P. Janeway 1993-7-15 4442 Plumas Plumas National Forest. Flat on top of saddle between Bean Creek (a tributary of upper Spanish Creek) and Berry Creek (a tributary of East Branch North Fork Feather River). 1569 Comment
  CHSC61908  Erigeron petrophilus var. sierrensis L. P. Janeway 1993-7-15 4443 Plumas Plumas National Forest. Flat on top of saddle between Bean Creek (a tributary of upper Spanish Creek) and Berry Creek (a tributary of East Branch North Fork Feather River). 1569 Comment
  CAS-BOT-BC295787  Erigeron petrophilus var. sierrensis L. P. Janeway 1993-7-19 4463 Plumas Plumas National Forest, Quincy Ranger District. Southwest side of the top of Red Hill 1874 Comment
  CHSC61909  Erigeron petrophilus var. sierrensis L. P. Janeway; Linnea Hanson, Perrie Cobb 1993-7-19 4463 Plumas Plumas National Forest. Top of Red Hill. 1874 Comment
  CHSC106405  Erigeron petrophilus David Isle; Arnold James 1993-7-21 1870 Mendocino Mendocino National Forest - North Coast Ranges Upper Main Eel River Watershed. Little Bear Rock <0.1 mi. W of 20N02 Jct and S of Rd to Tar Flat Stn. Site. 1993 EUI Plot 13. 1508 Comment
  CHSC92928  Erigeron petrophilus D. Isle 1993-8-3 1434 Mendocino Mendocino National Forest -- North Coast Ranges Upper Main Eel River Watershed. Just east of M-1 (102.6). Near dusty 5720 triangle on Hull Mountain Quad #28. 1706 Comment
  CHSC62527  Erigeron petrophilus var. viscidulus L. P. Janeway 1993-8-30 4560 Trinity Slope northeast of Picayune Lake in drainage of Picayune Creek. Adjacent to a darlingtonia seep. 1981 Comment
  CHSC61781  Erigeron petrophilus var. sierrensis Lowell Ahart 1993-9-10 7225 Plumas Near the west side of the South Fork of the Feather River, on the north side of the dirt road, about 1 (air) mile south-west of Pilot Peak. 2072 Comment
  UC1609297  Erigeron petrophilus var. sierrensis Lowell Ahart 1993-9-10 7225 Plumas about 1 air mi sw Pilot Peak (near w side of river); South Fork of Feather River 2072 Comment
  SEINET11268225  Erigeron petrophilus var. sierrensis Lowell Ahart 1993-9-10 7225 Plumas Near the west side of the South Fork of the Feather River, on the north side of the dirt road, about 1 (air) mile south west of Pilot Peak.; 0 Comment
  CHSC61916  Erigeron petrophilus var. sierrensis Lowell Ahart 1993-9-24 7263 Plumas On the north side of the Pacific Crest Trail, about 400 yards north-east of the trail head, about 1/10 mile east of the Quincy La Porte Road, about 1 mile west of Pilot Peak. Near large rocks. 1920 Comment
  JEPS87531  Erigeron petrophilus var. sierrensis Lowell Ahart 1993-9-24 7263 Plumas on n side of trail about 400 yd ne trail head (about 1/10 mi e of the Quincy La Porte Rd, about 1 mi w of Pilot Peak); Pacific Crest Trail 1920 Comment
  UC1609236  Erigeron petrophilus var. sierrensis Lowell Ahart 1993-9-24 7263 Plumas on n side of trail about 400 yd ne trail head (about 1/10 mi e of the Quincy La Porte Rd, about 1 mi w of Pilot Peak); Pacific Crest Trail 1920 Comment
  JEPS95439  Erigeron petrophilus var. viscidulus Vernon H. Oswald and L. Ahart 1994-7-11 6379 Trinity T38N R6W SE1/4 Sec. 13, 6000 ft, Yellow Pine Forest. Forest Rd. 26 (to Mt. Shasta), 2.4 mi N of Castle Creek Rd. (Forest Rd. 25), W of Dunsmuir. In dry, gravelly soil along the edge of the road through open forest. 1828 Comment
  SBBG111178  Erigeron petrophilus E. Painter, E. Neese 1994-7-21 HL 838 Monterey Palisades, ca. 0.1 km E of Nacimiento River, 2.5 km S of Hughes Reservoir; Ft Hunter Liggett 360 Comment
  CHSC63448  Erigeron petrophilus var. sierrensis Lowell Ahart 1994-7-28 7527 Plumas North-east of Frenchman Hill, south-west of Bucks Lake. 1706 Comment
  JEPS95464  Erigeron petrophilus var. sierrensis Lowell Ahart 1994-7-28 7527 Plumas SW of Bucks Lake (NE of Frenchman Hill) 1706 Comment
  JEPS105013  Erigeron petrophilus var. sierrensis Dean W. Taylor 1995-8-6 15384 Butte Rocky Ridge, N end; ca. 6 air mi E of Paradise, on the northern rim of the North Fork Feather River canyon; Lassen National Forest 975 Comment
  JEPS105034  Erigeron petrophilus var. viscidulus Dean W. Taylor 1996-7-7 15825 Trinity Scott Mountains; Hwy 3 about 2 mi N of Scott Mountain Pass; Shasta - Trinity National Forest; Klamath region 1402 Comment
  CHSC72438  Erigeron petrophilus var. sierrensis L. P. Janeway 1996-8-9 5062 Plumas On west side of Road 18 at junction with Road 23N69; at extreme east end of Red Mountian; about 2 mi south of Haskins Valley. 1792 Comment
  UC1730266  Erigeron petrophilus var. sierrensis L. P. Janeway 1996-8-9 5062 Plumas about 2 mi S of Haskins Valley (on W side of Road 18 at jct with Road 23N69; at extreme E end of Red Mountain) 1792 Comment
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Jul 16 2007
  CHSC72437  Erigeron petrophilus var. sierrensis L. P. Janeway 1996-8-20 5071 Butte Coyote Gap; along spur Road 23N72Y 300 ft southwest of the Gap. 1280 Comment
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Aug 22 2008
  UC1730265  Erigeron petrophilus var. sierrensis L. P. Janeway 1996-8-20 5071 Butte Coyote Gap; along spur Road 23N72Y 300 ft SW of the Gap 1280 Comment
  JEPS96719  Erigeron petrophilus var. petrophilus Dean W. Taylor 1997-7-9 16128 Tehama Tomhead Mountain; Yolla Bolly Mtns. 1996 Comment
  CHSC69133  Erigeron petrophilus var. sierrensis Lowell Ahart 1997-8-7 7809 Yuba On the north side of the dirt road, Peterson Ridge Road, about 3 miles (air) southeast of Challenge. 762 Comment
  JEPS95030  Erigeron petrophilus var. sierrensis Lowell Ahart 1997-8-7 7809 Yuba about 3 air mi se of Challenge (on n side of the dirt road, Peterson Ridge Road); Peterson Ridge Road 762 Comment
  CHSC69443  Erigeron petrophilus var. sierrensis Lowell Ahart 1997-9-6 7889 Butte Near the McNab Cypress grove, near the steel tower power line, along the sides of a logging road, about 1/4 mile west of Rim Road, about 2 miles (air) northeast of Concow Reservoir. 731 Comment
  JEPS95007  Erigeron petrophilus var. sierrensis Lowell Ahart 1997-9-6 7889 Butte about 2 air mi ne of Concow Reservoir (near the McNab Cypress Grove, near the steel power line, along sides of logging road, about 1/4 mi w of Rim Road) 731 Comment
  CHSC69701  Erigeron petrophilus var. sierrensis Vernon Oswald; Lowell Ahart 1997-9-18 8878 Plumas Ca. 4.25 air mi west of Caribou on Forest Rd. 26N25 (to Mosquito Creek), 3.6 mi northest of its junction with 26N26 (to Humbug Valley). 1335 Comment
  JEPS95010  Erigeron petrophilus var. sierrensis Vernon Oswald and Lowell Ahart 1997-9-18 8878 Plumas 4.25 air mi w of Caribou (on Forest Road 26N25 to Mosquito Creek, 3.6 mi ne of its junction with 26N26 to Humbug Valley); Forest Road 26N25 to Mosquito Creek 1335 Comment
  CHSC72439  Erigeron petrophilus var. sierrensis L. P. Janeway 1998-7-31 5906 Butte Along dirt road 100 ft above north end of the Lost Creek Reservoir dam. 981 Comment
  UC1730242  Erigeron petrophilus var. sierrensis L. P. Janeway 1998-7-31 5906 Butte Lost Creek Reservoir dam, along dirt road 100 ft above N end of 981 Comment
  JEPS93920  Erigeron petrophilus var. viscidulus Vernon H. Oswald and Lowell Ahart 1998-8-3 9410 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.5 mi se of Gazelle-Callahan Road at its intersection with USFS 41N10 Kangaroo Lake Road 1493 Comment
  UCD70533  Erigeron petrophilus D. Sanchez-Mata; D. Sanchez-Mata 1998-8-3 s.n. Monterey olon. Cone Peak Road. Santa Lucia Range. Los Padres National Forest. Ventana Wilderness. Santa Lucia fir open forests (Abies bracteata) growing on exposed and rocky slopes. 1400 Comment
  CHSC74067  Erigeron petrophilus var. sierrensis B. Castro; L. Gehrung 1998-10-1 849 Plumas Ca 5.5 air mi NE of Little Grass Valley Reservoir, on ridge just west of Pilot Peak and overlooking upper end of S Fork Feather River. On N side of river's crossing of USFS Rd 22N60, just NW of the Pacific Crest Trail. 1981 Comment
  CAS-BOT-BC295779  Erigeron petrophilus var. sierrensis Michael A. Vincent 1999-6-9 8583 a Lassen Along US Rt. 395, south of Ravendale Fire Station, 1.8 miles north of rest area, and 24.8 miles north of Litchfield 1524 Comment
  CAS-BOT-BC295739  Erigeron petrophilus var. petrophilus Doreen Smith 1999-9-6 s.n. Marin Point Reyes-Petaluma Road, below Nicasio Dam Comment
  CAS-BOT-BC295737  Erigeron petrophilus var. petrophilus Doreen Smith 1999-11-14 s.n. Marin Mount Burdell Comment
  CHSC82079  Erigeron petrophilus var. sierrensis L. P. Janeway; B. Castro 2001-6-22 7369 Plumas Northern High Sierra Nevada. On low peak along ridge between Frenchman Hill and the northwest end of Red Mountain. 1798 Comment
  JEPS112919  Erigeron petrophilus var. sierrensis Dean W. Taylor 2001-8-1 17853 Sierra Slate Creek about 2 miles East of Gibsonville (ca. 8 miles NE of La Porte), along Forest Road 22N44X 1767 Comment
  CHSC82080  Erigeron petrophilus var. sierrensis L. P. Janeway 2001-8-5 7427 Plumas High Cascade Range. Slopes on east side of Yellow Creek about 8.9 km south of Humbug Valley along Road 26N26. 1305 Comment
  JEPS102229  Erigeron petrophilus var. sierrensis L. P. Janeway 2001-8-5 7427 Plumas High Cascade Range. Slopes on east side of Yellow Creek about 8.9 km south of Humbug Valley along Road 26N26. 1305 Comment
  CHSC81923  Erigeron petrophilus var. sierrensis Samantha Hillaire 2001-10-29 305 Plumas Northern High Sierra Nevada. Southeast of Buckhorn and Granite Summits, just north of 23N69 road, along roadcut. Along 23N69 road heading west from here. 1877 Comment
  JEPS100228  Erigeron petrophilus var. sierrensis Dean W. Taylor 2002-7-3 18216 Butte Fields Ridge, northerly rim South Fork Feather River canyon (ca. 3 air miles SE of Feather Falls mill site, ca. 19 miles E of Oroville) 1005 Comment
  JEPS109704  Erigeron petrophilus var. viscidulus Dean W. Taylor 2002-7-20 18266 Siskiyou The Eddys, Pacific Crest Trail ca. 0.5 mile North of Forest Road 17 2103 Comment
  SEINET8191773 Image available Erigeron petrophilus var. viscidulus D. W. Taylor 2002-8-27 18324 Trinity Scott Mountain, summit ridge just SE of summit, near radio facility, on Siskiyou County line, upper Trinity River watershed. 2012 Comment
  CHSC91047  Erigeron petrophilus var. petrophilus D. Isle 2003-6-12 372 Colusa Mendocino National Forest--North Coast Ranges. Little Stony Creek Watershed. Ridgetop, GPS 10S 524888E 4345370N. 1816 Comment
  CHSC98247  Erigeron petrophilus var. sierrensis Allison Sanger 2003-7-23 Plumas Along Yellow Creek Road (26N26) within Storrie Fire area, about 4 air miles south of Yellow Creek Campground and 16 miles south of Chester. 1280 Comment
  CHSC84744  Erigeron petrophilus var. viscidulus L. P. Janeway 2003-8-9 7963 Siskiyou Klamath Ranges. Siskiyou Mountains between Cook and Green Pass and Red Butte. Serpentine slope overlooking uppermost fork of Seiad Creek. 1698 Comment
  JEPS105684  Erigeron petrophilus var. viscidulus L. P. Janeway 2003-8-9 7963 Siskiyou Klamath Ranges; Siskiyou Mountains betweeen Cook and Green Pass and Red Butte; slope overlooking uppermost fork of Seiad Creek; along 4-wheel-drive road 1698 Comment
  CHSC85443  Erigeron petrophilus var. sierrensis R. D. Fischer; Jenny Marr 2003-11-23 14 Butte Sierra Nevada foothills, west of Hwy 70 between Jarbo Gap and Pulga, on logging rd U30 off Rim Rd out of Jarbo Gap. 853 Comment
  UCD161621  Erigeron petrophilus var. petrophilus Jake Ruygt 2004-8-28 4652 Napa southwest of Bear Valley on ridge, east of 'Cub Valley'. 719 Comment
  CAS-BOT-BC295364  Erigeron petrophilus R. C. Wenk 2005-7-15 215 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass, going N along ridge towards Preacher's Peak 2133 Comment
  UCD80053  Erigeron petrophilus var. sierrensis CNPS SN Foothill Team 2005-7-19 SNNR 0606 Nevada CDPR/ACOE, South Yuba River State Park. The stand encompasses the SE, rocky stream bank and first terrace above the S. Yuba River. 187 Comment
  CAS-BOT-BC295366  Erigeron petrophilus R. C. Wenk 2005-7-20 351 Siskiyou National Forest Road 17, 1 mile down road to the north, heading towards Mt. Shasta 2029 Comment
  RSA789814  Erigeron petrophilus var. viscidulus Rebecca Wenk 2005-7-20 351 Siskiyou National Forest Road 17, 1 mile down road to the north, heading towards Mt. Shasta Comment
  JEPS109825  Erigeron petrophilus var. sierrensis Dean W. Taylor 2005-8-1 19451 Plumas Yellow Creek, Forest Road 26N26 ca. 3 road miles south of Humbug Valley 1310 Comment
  CAS-BOT-BC295363  Erigeron petrophilus R. C. Wenk 2006-9-2 551 Siskiyou Trail to Caribou Lakes from Big Flat Meadow 1950 Comment
  CHSC97795  Erigeron petrophilus var. sierrensis L. P. Janeway 2007-8-12 9162 Plumas Northern High Sierra Nevada. Ridgetop on north side of Oak Ridge, 1.4 air km north-northwest of Grizzly Summit. 1743 Comment
  CHSC97783  Erigeron petrophilus var. sierrensis L. P. Janeway 2007-8-13 9175 Plumas Northern High Sierra Nevada. Frenchman Hill and western end of Red Mountain, near Road 23N69; above the head of Frazier Creek. 1786 Comment
  CHSC98710  Erigeron petrophilus var. sierrensis L. P. Janeway 2007-8-13 9189 Plumas Northern High Sierra Nevada. Above Road 24N31 about 0.8 air km east of Little Schneider Creek. 1402 Comment
  CHSC98711  Erigeron petrophilus var. sierrensis L. P. Janeway 2007-8-13 9185 Plumas Northern High Sierra Nevada. Above Road 24N24X just west of Little Schneider Creek. 1244 Comment
  RSA724903  Erigeron petrophilus var. sierrensis L. P. Janeway 2007-8-13 9175 Plumas Northern High Sierra Nevada. Frenchman Hill and western end of Red Mountain, near Road 23N69; above the head of Frazier Creek. 1786 Comment
  CAS-BOT-BC58400  Erigeron petrophilus R. C. Wenk 2008-8-31 988 Siskiyou South Fork of Salmon River, Yellow Rose Mine above Big Flat Meadow. 1981 Comment
  RSA792296  Erigeron petrophilus var. viscidulus Rebecca Wenk 2008-8-31 988 Siskiyou South Fork of Salmon River, Yellow Rose Mine above Big Flat Meadow. 1982 Comment
  CDA34754  Erigeron petrophilus var. sierrensis L. Ahart 2008-9-1 15388 Plumas About 15 yards southwest of the culvert and Onion Valley Creek, on the west side of Quincy La Porte Road, about 9 1/2 miles (air) northeast of La Porte. Comment
  CHSC99970  Erigeron petrophilus var. sierrensis Lowell Ahart 2008-9-10 15388 Plumas About 15 yards southwest of the culvert and Onion Valley Creek, on the west side of Quincy la Porte Road, about 9 1/2 miles (air) northeast of La Porte. 1899 Comment
  JEPS114605  Erigeron petrophilus var. sierrensis Lowell Ahart 2008-9-10 15388 Plumas About 15 yards southwest of the culvert and Onion Valley Creek, on the west side of Quincy la Porte Road, about 9 1/2 miles (air) northeast of La Porte 1899 Comment
  RSA768850  Erigeron petrophilus var. sierrensis L. Ahart 2008-9-10 15388 Plumas About 15 yards southwest of the culvert and Onion Valley Creek, on the west side of Quincy La Porte Road, about 9.5 air miles northeast of La Porte. 1900 Comment
  HSC98502  Erigeron petrophilus var. viscidulus Dana York, Jim Shevock, Richard Helliwell 2009-7-3 2949 Trinity About 82 mi. W of Redding, Shasta-Trinity National Forest, on Limestone Ridge a few hundred meters above trail. 2120 Comment
  CHSC102007  Erigeron petrophilus var. sierrensis L. P. Janeway; B. Castro 2009-8-29 9949 Plumas Northern High Sierra Nevada. At eastern end of Red Mountain, 0.6 km south of the Buckhorn survey monument at junction of Road 23N69 and Road 23N36Y (to Martin Mine). 1881 Comment
  HSC100780  Erigeron petrophilus var. sierrensis L. P. Janeway, B. Castro 2009-8-29 9949 Plumas E end of Red Mountain, 0.6 km S of the Buckhorn survey monument; at junction of Rd. 23N69 and Rd. 23N36Y. 573 Comment
  RSA755316  Erigeron petrophilus var. sierrensis L. P. Janeway, B. Castro 2009-8-29 9949 Plumas Northern High Sierra Nevada. At eastern end of Red Mountain, 0.6 km south of the Buckhorn survey monument; at junction of Road 23N69 and Road 23N36Y (to Martin Mine). 1881 Comment
  UCD105975  Erigeron petrophilus var. sierrensis Jesse Miller 2010-1 s.n. Plumas Plumas National Forest. Southwest of Caribou. Near the north fork of the Feather River. 1524 Comment
  JEPS118703  Erigeron petrophilus var. viscidulus Julie Kierstead Nelson, Eric White, Rhonda Posey, Mary Ellen Colberg, Sasha Flamm 2010-8-9 2010 -028 Siskiyou East slope of Mount Eddy, headwaters of Wagon Creek. Mount Eddy 7.5' quad. Comment
  SEINET8477188 Image available Erigeron petrophilus D. Taylor 2011-8-10 21152 b Sierra Henness pass road 2 miles east of keystone gap, Haypress Valley, CA 71/2 USGS quadrangle, North facing cirque 2073 Comment
  CAS-BOT-BC229784  Erigeron petrophilus P. da Silva; M. Danielezyk; R. Atwood; et al. 2012-6-23 1605 Marin Marin Municipal Water District Lands: Mount Tamalpais. Middle Peak Rd. culvert RT-3 Comment
  CHSC110374  Erigeron petrophilus var. sierrensis Lowell Ahart 2012-9-5 18442 Plumas On the east side of the South Fork of the Feather River, about 400 yards northeast of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8-1/2 miles (air) northeast of La Porte. 1940 Comment
  CHSC110375  Erigeron petrophilus var. sierrensis Lowell Ahart 2012-9-5 18442 -A Plumas On the east side of the South Fork of the Feather River, about 400 yards northeast of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8-1/2 miles (air) northeast of La Porte. 1940 Comment
  JEPS119932  Erigeron petrophilus var. sierrensis Lowell Ahart 2012-9-5 18442 Plumas About 400 yards northeast of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8 1/2 miles (air) northeast of La Porte. Comment
  JEPS119933  Erigeron petrophilus var. sierrensis Lowell Ahart 2012-9-5 18442 -A Plumas About 400 yards northeast of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8 1/2 miles (air) northeast of La Porte. Comment
  RSA0035330  Erigeron petrophilus var. sierrensis Lowell Ahart 2012-9-5 18442 -A Plumas On the east side of the South Fork of the Feather River, about 400 yards northeast of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8 1/2 miles (air) northeast of La Porte. 1940 Comment
  RSA0035345  Erigeron petrophilus var. sierrensis Lowell Ahart 2012-9-5 18442 Plumas On the east side of the South Fork of the Feather River, about 400 yards northeast of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8 1/2 miles (air) northeast of La Porte. 1940 Comment
  CDA42424  Erigeron petrophilus var. sierrensis D. G. Kelch 2012-9-19 12 .374 Plumas Route 70 at North Fork of Feather River; 500 m south of turn-off to Pulga. Comment
  CHSC115719  Erigeron petrophilus var. sierrensis K. Bovee 2013-6-20 0048 Plumas Lassen National Forest, on north-facing slope south of Grizzly Creek, on roadcut of Road 26N08. Area burned at high intensity in Chips Fire of 2012. 1341 Comment
  CAS-BOT-BC421429  Erigeron petrophilus var. petrophilus Julie Kierstead Nelson; Lusetta Nelson; Richard Tate 2013-8-1 2013 -012 Trinity Dubakella Mountain, south of Hwy. 36. Comment
  CHSC113844  Erigeron petrophilus var. sierrensis Lowell Ahart 2014-8-24 19732 Butte On the south side of the road, about 50 yards west of Woodleaf Creek, about 1/2 mile southwest of the Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown. 611 Comment
  JEPS122288  Erigeron petrophilus var. sierrensis Lowell Ahart 2014-8-24 19732 Butte On the south side of the road, about 50 yards west of the Woodleaf Creek, about 1/2 mile southwest of Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown. Comment
  RSA0118748  Erigeron petrophilus var. sierrensis Lowell Ahart 2014-8-24 19732 Butte On the south side of the road, about 50 yards west of Woodleaf Creek, about 1/2 mile southwest of the Forbestown Reservoir Dam, about 4 miles (air) northeast of Forbestown 611 Comment
  CHSC118829  Erigeron petrophilus var. sierrensis Wendy L. Boes 2015-5-28 2015020 Plumas Plumas National Forest. Location to east of Fales Basin, west of hairpin curve on Forest Service road 25N59. UTM 658936 E, 4437694 N, NAD83 Zone 10N. 1550 Comment
  JEPS124478  Erigeron petrophilus var. petrophilus Daniel Slakey with CNPS Volunteers 2015-7-12 151 Lake Snow Mountain, slope above (southeast of) Bear Creek. Comment
  CHSC118799  Erigeron petrophilus var. sierrensis Chelsea Morgan 2015-7-15 2015 -028 Plumas On eastern Rush Creek Hill. Forest Service Road 27N67 near 26N22L (UTM 659415 E, 4437357 N, NAD83 Zone 10N; Elevation 1675 m.) 1675 Comment
  SJSU15648  Erigeron petrophilus John Rawlings, Ken Hickman 2015-7-17 1434 Santa Clara Mt. Umunhum, South-facing slope below Mt. Umunhum summit. 998 Comment
  CHSC118800  Erigeron petrophilus var. sierrensis Noah Siegel 2015-7-29 2015 -004 Plumas On eastern Rush Creek Hill. Forest Service Road 27N76 near 26N22L (UTM 659415 E, 4437357 N, NAD 83 Zone 10N; Elevation 1675 m.) 1675 Comment
  CHSC118839  Erigeron petrophilus var. sierrensis Noah Siegel 2015-7-29 2015005 Plumas Plumas National Forest. Located on eastern Rush Creek Hill. Forest Service road 27N67 near 26N22L. UTM 659415 E, 4437357 N, NAD83 Zone 10N. 1675 Comment
  CHSC115928  Erigeron petrophilus var. sierrensis L. P. Janeway 2015-8-26 11853 Sierra Northern High Sierrra Nevada. Plumas National Forest; north slope of Sawmill Ridge overlooking Slate Creek; along Road 800 about 1.2 road-km southwest of Gibsonville-Johnsonville Road. 1789 Comment
  UC2062604  Erigeron petrophilus var. petrophilus Belinda Lo 2017-6-22 333 Trinity TRINITY COUNTY: Shasta-Trinity National Forest, Bone Gulch, northwest of Blue Point Ridge. Comment



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