Search Results — 2000 specimen records retrieved (1393 records with coordinates)
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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
  CAS-BOT-BC78130  Abies X shastensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11770 Siskiyou About 6 miles from Etna on forks of Salmon Road 1706 Comment
  CHSC27314  Abies concolor T. B. Devine 1976-10-23 362 Siskiyou Little Duck Lake. 1950 Comment
  UC1409511  Abies concolor Frederick W. Oettinger 1968-9-10 809 Siskiyou on steep slope ne of English Lake outlet (w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1920 Comment
  UC336762  Abies concolor unknown 1891-11-12 Siskiyou Sisson's Comment
  UCD134144  Abies concolor Robert E. Preston 2002-7-12 1912 a Siskiyou Klamath National Forest, S slope of Rainbow Mountain. 1893 Comment
  UCR95628  Abies concolor L. C. Wheeler 1963-9-3 8338 Siskiyou Siskiyou Mtns. Cyclone Gap chrome mine Comment
  RSA12616  Abies magnifica C. B. Wolf 1934-7-5 5969 Siskiyou Siskiyou Mountains; 2 8/10 miles from Dry Lake Lookout on road to Horse Creek. 2134 Comment
  UCD134256  Abies magnifica var. shastensis Robert E. Preston 2001-6-30 1649 e Siskiyou Klamath National Forest, Rainbow Mountain, north slope of east lobe. 1920 Comment
  HSC29634  Abies procera Frederick W. Oettinger 1968-9-10 810 Siskiyou Marble Mtn. Wilderness Area, N of peak near English Lake. Bulk Collection #51 2104 Comment
  UC718152  Abies procera Carl B. Wolf 1934-7-5 5969 Siskiyou on road to Horse Creek 2.8 mi from Dry Lake Lookout; Siskiyou Mts. 2133 Comment
  CAS-BOT-BC330615  Acer circinatum Geo. B. Grant 1902-9-13 s.n. Siskiyou Dunsmuir Comment
  CAS-BOT-BC330621  Acer circinatum Wm. Bridge Cooke 1940-7-12 15309 Siskiyou Near the Sacramento River in the Box Canyon near Mount Shasta City 914 Comment
  CLARK-A1528-1053  Acer circinatum John C. Roos 1939-7-5 1520 Siskiyou 990 Comment
  CHSC92  Acer glabrum var. torreyi M. Yoder 1941-6-28 Siskiyou Castle Lake 1828 Comment
  JEPS86134  Acer glabrum var. torreyi Wayne Roderick 1956-2 Siskiyou near start of trail to Little Castle Lake (Castle Lake); Castle Lake 1676 Comment
  RSA790238  Acer glabrum var. torreyi Rebecca Wenk 2005-7-15 238 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose mine trail. 2043 Comment
  CAS-BOT-BC332785  Acer macrophyllum Alice Eastwood 1917-9-2 6654 Siskiyou Shasta Springs Comment
  UC933376  Acer macrophyllum Annie M. Alexander and Louise Kellogg 1948-9-14 5619 Siskiyou Canyon Creek , branch of Scott River (branch of Scott River) 914 Comment
  CAS-BOT-BC332783  Acer macrophyllum Carl B. Wolf 1927-8-26 1103 Siskiyou On the Klamath River, 14 mi above Happy Camp Comment
  SEINET4068104 Image available Acer macrophyllum O. M. Clark 1947-1 sn Siskiyou Siskiyou Mountains. Comment
  JEPS32000  Acer negundo var. californicum W. B. and V. G. Cooke with Bob Frenkel 1963-7-12 34324 Siskiyou Memorial Highway below McBride Springs (Mt. Shasta); , below McBride Springs Comment
  HSC67833  Achillea millefolium J. O. Sawyer, J. Cole 1980-7-22 3923 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  UC642533  Achillea millefolium D. D. Keck 1939-8-10 13873 Siskiyou w bank Mud Creek Canyon; Mount Shasta 2895 Comment
  UC890994  Achillea millefolium unknown 1915-8-26 Siskiyou Mt. Eddy 1828 Comment
  UCD128359  Achillea millefolium P. Quentin Tomich 1954-6-20 421 Siskiyou southeast entrance of Lava Beds National Monument. 1341 Comment
  JEPS45830  Achnatherum lemmonii Duncan Dunning 1922-6-6 Siskiyou nw of Fort Jones (Moffett Creek); Moffett Creek Comment
  UC1037089  Achnatherum lemmonii Leo Whitney 1934-6-20 2221 Siskiyou near Tennant (Antelope Creek); Antelope Creek 1463 Comment
  POM211395  Achnatherum lemmonii var. lemmonii L. C. Wheeler 1934-6-11 2682 Siskiyou North Hungry Creek , Siskiyou Mtns. (Mt Diablo Mer) 1311 Comment
  CAS-BOT-BC216918  Achnatherum occidentale C. B. W. 1938-7-22 11336 Siskiyou Sisson Southern Trail 1828 Comment
  UCD50959  Achnatherum occidentale R. Tofsrud 1949-8-3 s.n. Siskiyou Soap Creek Ridge, between Yreka and Fort Jones. 1828 Comment
  SEINET7593408 Image available Achnatherum occidentale Frederick W. Oettinger 1969-1 1352 Siskiyou Salmon Mountains, High Lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area - southeast ridge of English Peak 2134 Comment
  JEPS72980  Achnatherum occidentale subsp. californicum W. L. Jepson 1940-6-30 20072 Siskiyou 6 mi e McCloud (Fowlers Camp); McCloud River 944 Comment
  UC156887  Achnatherum occidentale subsp. californicum Dr. E. B. Copeland 1903-8-16 3896 Siskiyou Mt. Shasta 2438 Comment
  UCD51181  Achnatherum occidentale subsp. pubescens Mr. Roseman 1913-1 7 Siskiyou Butte Valley. Comment
  JEPS107345  Achnatherum thurberianum Lowell Ahart, John Dittes 2005-6-9 12027 Siskiyou Hill, south of a rock fence, about 100 yards northeast of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  UCD51439  Achnatherum thurberianum L. Whitney 1934-6-27 s.n. Siskiyou 30 miles SW of Tennant. 1371 Comment
  UCD103802  Acmispon americanus var. americanus A. A. Heller 1915-7-18 12116 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  JEPS41327  Aconitum columbianum Ruby Van Deventer 1938-7-31 66 Siskiyou s. Little Greyback Mt. (Poker Flat); Poker Flat 1524 Comment
  CAS-BOT-BC391512  Aconitum columbianum subsp. columbianum Alice Eastwood 1921-7-24 10728 Siskiyou Castle Lake Comment
  CAS-BOT-BC391518  Aconitum columbianum subsp. columbianum Alice Eastwood 1912-8-30 1989 Siskiyou Mount Eddy Comment
  CAS-BOT-BC412911  Aconogonon davisiae Doris K. Kildale 1928-7-2 5369 Siskiyou Salmon Summit, via Horn Creek trail 1981 Comment
  CHSC9484  Aconogonon newberryi J. F. Goodwin 1971-7-3 128 Siskiyou West side of road, 0.3 mi. south of Mt. Shasta Ski Bowl area. 2438 Comment
  UCD98810  Aconogonon phytolaccifolium J. M. Tucker 1974-7-28 4321 Siskiyou Siskiyou Co.; Marble Mountain Wilderness Area, Haypress Meadows. 1463 Comment
  UC165302  Actaea rubra Geo. D. Butler 1908-8-26 538 Siskiyou Salmon Mt. Comment
  OBI55435  Adenocaulon bicolor David J. Keil 1992-7-20 23494 Siskiyou Klamath Natl forest, W of Fort Jones. Along forest Rd 44N45, 3.9 mi S of Scott River Rd Comment
  CHSC49  Adiantum aleuticum V. Holt 1932-7-24 Siskiyou Mt. Eddy. 1524 Comment
  HSC46073  Adiantum aleuticum J. P. Smith, Steve Selva 1970-6-14 3876 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  POM24645  Adiantum aleuticum E. B. Copeland 1903-9-6 3859 Siskiyou Mount Eddy 1463 Comment
  UCD69126  Adiantum aleuticum D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-13 s.n. Siskiyou Callahan-Cecilville. Cecilville Road. Klamath National Forest. 1650 Comment
  CAS-BOT-BC68956  Adiantum aleuticum A. A. Heller 1915-8-26 12235 Siskiyou Mt. Eddy in open swampy places in the forest. 1828 Comment
  RSA237841  Adiantum aleuticum Frederick W. Oettinger 1968-9-1 644 Siskiyou Southwest of Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  CAS-BOT-BC65730  Adiantum pedatum Robert T. Clausen; Harold Trapido 1940-7-28 4985 Siskiyou 1 mile up canyon of Canyon Creek from Scott River, 12 miles south of Hamburg 762 Comment
  CDA43425  Aegilops cylindrica Dustin Johnson 2015-5-29 PDR# 470 P06027675 Siskiyou Vicinity of Montague. 0 Comment
  UC1183416  Agastache parvifolia P. Quentin Tomich 1954-6-24 424 Siskiyou Lava Beds National Monument; entrance of lava cave Comment
  HSC58926  Agastache urticifolia Marvin Butler 1971-8-19 200 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  JEPS74477  Agastache urticifolia W. J. Ferlatte 1966-8-3 258 Siskiyou Mountain Meadow Ranch; Trinity Alps 1524 Comment
  POM252837  Agastache urticifolia A. A. Heller 1938-7-13 15263 Siskiyou Among lava rocks at Bray. Comment
  CHSC69062  Ageratina occidentalis Vernon Oswald; Lowell Ahart 1997-7-28 8776 Siskiyou Forest Route 49 (Power Hill Rd.) 1.5 mi north of 41N03 (to Porcupine Butte), 14.5 mi south of Medicine Lake. 1371 Comment
  UC61070  Ageratina occidentalis W. A. Setchell, C. C. Dobie 1902-7-1 Siskiyou 18th crossing Sisson; Mount Shasta Comment
  UCD35438  Ageratina occidentalis Beecher Crampton 1956-8-21 3843 Siskiyou Gravelly and stony bench above the Sacramento River, just below the junction of the middle Fork with the south Fork. 1112 Comment
  CAS-BOT-BC29459  Ageratina occidentalis Gilbert J. Muth 1965-8-4 s.n. Siskiyou Near the Marble, Marble Valley Comment
  SDSU6844  Ageratina occidentalis D. F. Howe 1964-8-6 3942 Siskiyou 3.5 miles south of Happy Camp on #96, Klamouth National Forest. 152 Comment
  HSC62468  Agoseris aurantiaca Ruby Van Deventer 1939-7-18 Siskiyou Twin Valley Comment
  RSA238738  Agoseris aurantiaca Frederick W. Oettinger 1969-7-28 1088 Siskiyou Moist grassy bank NNE of Tom's Lower Pond. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  CAS-BOT-BC21374  Agoseris aurantiaca var. aurantiaca John Thomas Howell 1939-8-4 15030 Siskiyou Between Elk Mt. and Marble Rim, Marble Mts. Comment
  UC1409462  Agoseris aurantiaca var. aurantiaca Frederick W. Oettinger 1968-8-14 518 Siskiyou Midway between Tom Taylor Cabin and English Peak Lookout, the High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1996 Comment
  POM208366  Agoseris grandiflora Louis C. Wheeler 1934-6-11 2683 Siskiyou North Hungry Creek , Siskiyou Mtns. (Mt Diablo Mer) 1311 Comment
  POM33128  Agoseris grandiflora Geo. D. Butler 1910-6-10 1555 Siskiyou Near Yreka. Comment
  POM33131  Agoseris grandiflora Geo. D. Butler 1910-5-26 1367 Siskiyou Yreka Comment
  CAS-BOT-BC15382  Agoseris grandiflora var. grandiflora Alice Eastwood 1912-7-17 1171 Siskiyou Sisson Comment
  CAS-BOT-BC15388  Agoseris grandiflora var. grandiflora Grant 1902-9-11 5160 Siskiyou Sisson Comment
  JEPS36234  Agoseris grandiflora var. grandiflora W. L. Jepson 1940-6-28 20052 Siskiyou McCloud McCloud 975 Comment
  JEPS36251  Agoseris grandiflora var. grandiflora Geo. D. Butler 1909-5-29 751 Siskiyou near Yreka Comment
  CAS-BOT-BC22780  Agoseris heterophylla J. H. Thomas 1954-5-13 4149 A Siskiyou Salmon Mountains, Klamath NF, near South Fork of Salmon River, 5 to 9 mi SE of Cecilville, along Rush Creek. 1127 Comment
  HSC67941  Agoseris heterophylla J. P. Smith 1973-5-5 6403 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  CAS-BOT-BC15335  Agoseris heterophylla Wm. Bridge Cooke 1938-6-24 11069 Siskiyou MacBride Spring 1524 Comment
  UC618704  Agoseris monticola W. B. Cooke 1938-9-8 8200 Siskiyou near, in lava fields South Gare Springs; Mt. Shasta 2499 Comment
  JEPS80662  Agrostis alba W. B. and V. G. Cooke 1977-9-20 54806 Siskiyou along dry spring creek Mt. Shasta, Little Bear Springs Comment
  CAS-BOT-BC126997  Agrostis exarata John Thomas Howell 1939-8-9 15205 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  CAS-BOT-BC139571  Agrostis gigantea W. R. Dudley 1909-8-7 s.n. Siskiyou Little Bear Valley near Dulit Flat. Comment
  CAS-BOT-BC138943  Agrostis pallens Doris K. Kildale 1928-7-25 5914 Siskiyou Klamath River - Mack's Creek near Hamburg. Comment
  HSC22423  Agrostis pallens J. O. Sawyer 1969-8-1 1693 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC30521  Agrostis pallens Frederick W. Oettinger 1969-9-3 1612 Siskiyou Marble Mtn. Wilderness Area, Shasta Ridge 2073 Comment
  HSC39813  Agrostis pallens J. O. Sawyer 1969-8-4 1836 Siskiyou Above Sugar Lake 2134 Comment
  HSC65670  Agrostis scabra Donald W. Miles 1979-7-23 22 Siskiyou 8 mi. N of Pondosa CDF station, short road spur off of Short Grade Rd. 1012 Comment
  CHSC88097  Agrostis stolonifera Jenny Marr 1993-7-1 107 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC34301  Agrostis stolonifera J. P. Smith, J. O. Sawyer 1973-8-14 7294 Siskiyou W shore of Campbell Lake 1768 Comment
  HSC30451  Agrostis thurberiana Frederick W. Oettinger 1969-8-19 1457 Siskiyou Marble Mtn. Wilderness Area, Abbott's Basin 1905 Comment
  UC1059002  Agrostis thurberiana Beecher Crampton 1956-8-22 3856 Siskiyou Panther Meadow, s slope of Mt. Shasta Mt. Shasta 2316 Comment
  UCD53731  Agrostis variabilis L. D. Whitney 1935-7-15 s.n. Siskiyou Bulls-eye. Comment
  HSC100993  Alisma triviale J. P. Smith 2009-8-22 12656 Siskiyou Along the road to Bray. 1422 Comment
  JEPS84245  Allium L. R. Heckard with J. Hickman et al. 1986-7-17 6522 Siskiyou e Condrey Mt.; Alex Hole 1980 Comment
  UC375194  Allium bolanderi Geo. D. Butler 1909-3-21 663 Siskiyou dry hills near Oro Fino Comment
  JEPS104836  Allium bolanderi var. bolanderi Dean W. Taylor 1996-6-18 15727 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 Comment
  SBBG30569  Allium campanulatum D. Myrick 1968-6-27 2049 Siskiyou Preacher's Peak above Big Flat, head of Coffee Crk 2133 Comment
  UC796485  Allium falcifolium Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11840 Siskiyou road between Callahan and Gazelle; Gazelle Mountain grade 1499 Comment
  CAS-BOT-BC469237  Allium falcifolium Alice Eastwood 1912-8-30 2004 Siskiyou Mount Eddy Comment
  HSC86629  Allium obtusum var. obtusum D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta 2134 Comment
  RSA60650  Allium parvum Dorothy Parker 1946-4-11 122 Siskiyou Plowman s Valley. 1189 Comment
  CAS-BOT-BC474036  Allium parvum Dorothy Parker 1946-4-11 122 Siskiyou Plowman's Valley 1188 Comment
  CAS-BOT-BC474038  Allium parvum Elmer I. Applegate 1925-4-26 4238 Siskiyou Ridge between Tule Lake and Lower Klamath Marsh. Comment
  RSA184802  Allium siskiyouense Gilbert Muth 1966-7-14 390 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mountains. 1829 Comment
  CHSC118639  Allium siskiyouense Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -005 Siskiyou Lower Parks Creek watershed, E Klamath Range, along Forest Service Road 42N19, 3 miles northwest of Stewart Springs. UTM NAD 83 Zone 10, 539294m E, 4586547m N. 1376 Comment
  CAS-BOT-BC453445  Allotropa virgata Wm. Bridge Cooke 1938-7-15 11277 Siskiyou Mount Shasta: Wagon Camp-Horse Camp Trail 2133 Comment
  HSC30612  Allotropa virgata Frederick W. Oettinger 1969-8-23 1515 Siskiyou Salmon Mtns., between Chimney Rock and Smith Lake. 1418 Comment
  CAS-BOT-BC453443  Allotropa virgata Volney Rattan 1879-6-1 s.n. Siskiyou Klamath Comment
  CAS-BOT-BC171402  Alnus incana subsp. tenuifolia Elmer I. Applegate 1923-9-7 3972 Siskiyou Doggett Ridge, near head of Doggett Creek, S slope of the Siskiyou Mountains 1524 Comment
  POM166506  Alnus incana subsp. tenuifolia H. P. Chandler 1901-06 1618 Siskiyou Near Marble Mountain 2134 Comment
  RSA183479  Alnus incana subsp. tenuifolia J. M. Tucker 1963-8-17 3739 Siskiyou In vicinity of cabin, lower Red Rock Valley, Marble Mountain Wilderness Area. 1494 Comment
  RSA238548  Alnus incana subsp. tenuifolia Frederick W. Oettinger 1967-8-20 294 Siskiyou The Salmon Mountains, in the vicinity of English Peak, Marble Mountain Wilderness Area, along the stream from Tom Taylor Cabin spring. 2050 Comment
  UC484055  Alnus incana subsp. tenuifolia Carl B. Wolf 1930-10-22 1752 Siskiyou 1 mi w Mt. Shasta City 1066 Comment
  CAS-BOT-BC169651  Alnus rhombifolia Wm. Bridge Cooke 1940-7-12 15313 Siskiyou along creeks leading to the Box Canyon of the Sacramento near Mt. Shasta 914 Comment
  RSA105508  Alnus rhombifolia Douglas Barbe 1955-6-27 5 Siskiyou 0.8 mile north of Callahan in dredgings near Hjertagers Mill. 976 Comment
  HSC4970  Alnus viridis subsp. sinuata J. O. Sawyer 1968-6-18 192 Siskiyou Above S Russian Creek on W side. 1463 Comment
  JEPS96880  Alnus viridis subsp. sinuata Dean W. Taylor 1999-8-12 17301 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley), creek crossing on logging road Comment
  UCD110045  Alnus viridis subsp. sinuata Sandra L. Holloway 1963-6-2 72 Siskiyou 100 yards from Deep Creek and 1/4 mile north of Deep Lake, Marble Mountain. Comment
  SEINET7073536  Alyssum alyssoides A. G. Vestal 1963-6-1 s.n. Siskiyou Grassy slope with oak. About 4.6 miles southeast of Hornbrook on the Hornbrook - Ager Road. UTM Zone 10, 542900mN, 4366613mN. Coordinate datum: NAD27. Comment
  UC165945  Alyssum alyssoides Geo. D. Butler 1909-5-13 722 Siskiyou Cottonwood Creek below Hornbrook; Cottonwood Creek Comment
  CAS-BOT-BC18594  Alyssum alyssoides John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53369 Siskiyou Grenada, near the railroad station. 792 Comment
  OBI55534  Ambrosia artemisiifolia David J. Keil, Kathleen Keil 1992-7-24 23564 Siskiyou E of McCloud along hwy 89, 22.6 mi W of Shasta County line Comment
  CAS-BOT-BC142915  Amelanchier Volney Rattan 1879-6-1 s.n. Siskiyou Siskiyou Mountains Comment
  HSC4953  Amelanchier alnifolia var. pumila J. O. Sawyer 1968-7-10 481 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  CAS-BOT-BC142876  Amelanchier alnifolia var. semiintegrifolia Alice Eastwood 1917-9-2 6708 Siskiyou Shasta Springs Comment
  HSC4960  Amelanchier pallida J. O. Sawyer 1968-7-9 423 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  CAS-BOT-BC136919  Amelanchier utahensis A. A. Heller 1920-6-27 13396 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  UC453989 Image available Amelanchier utahensis I. J. Condit 1911-7-16 Siskiyou Shasta Retreat Comment
  RSA465170  Anagallis arvensis Edwin Kline 1920-6-24 14839 Siskiyou Siskiyou Mts. Comment
  JEPS83039  Androsace filiformis Linda M. Barker 1980-6-29 1982 Siskiyou Parker Camp Meadow Klamath National Forest 1767 Comment
  OBI80346  Anemone deltoidea David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  CAS-BOT-BC391859  Anemone drummondii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou West side of Gumboot Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC94472  Anemone drummondii R. C. Wenk 2005-7-19 337 Siskiyou Along Pacific Crest Trail, between Deadfall Lakes and pass below Mt. Eddy Comment
  HSC45193  Anemone drummondii J. O. Sawyer, E. Cope 1977-6-21 2986 Siskiyou Along Kelsey Trail W of Bear Lakes 1677 Comment
  UCR52382  Anemone drummondii R. James, S. Matthews, M. Goering 1985-6-1 138 Siskiyou Scott Mountain road about 2-3 miles from summit 1405 Comment
  POM100582  Anemone multifida Geo. D. Butler 1910-7-8 1683 Siskiyou Marble Mtn. 1677 Comment
  CAS-BOT-BC391975  Anemone occidentalis G. J. Muth 1969-8-7 1227 Siskiyou Boulder Peak Ridge Comment
  SBBG2108  Anemone occidentalis H. and M. Dearing 1939-7-1 3781 Siskiyou Salmon Mtn summit 1981 Comment
  UCSB27381  Anemone occidentalis Wilken, Dieter 1969-7-26 Siskiyou Above summit of Mt. Shasta Ski Bowl Road, south slope of Mt. Shasta 3200 Comment
  CAS-BOT-BC391973  Anemone occidentalis Wm. Bridge Cooke 1938-9-8 11601 Siskiyou Mount Shasta. Slopes of Little Red Butte Comment
  HSC28678  Anemone occidentalis Frederick W. Oettinger 1967-7-25 182 Siskiyou Marble Mtn. Wilderness Area, SSE of English Peak 2223 Comment
  JEPS109874  Anemone oregana var. oregana Dean W. Taylor 2005-7-12 19385 Siskiyou Antelope Creek; along unnamed tributary that drains from Rainbow Mountain, just upstream from the crossing of Forest Road 42N16 1697 Comment
  UCD127120  Angelica R. Tofsrud 1948-8-1 s.n. Siskiyou Siskiyou-Del Norte (Oregon) County Line: Oregon Border. 1524 Comment
  RSA183708  Angelica tomentosa var. tomentosa Gilbert Muth 1965-8-18 233 Siskiyou Marble Mts.; trail behind Black Mt. Comment
  RSA237410  Angelica tomentosa var. tomentosa Frederick W. Oettinger 1967-7-26 194 Siskiyou Along Crapo Peak Ridge about mid-way between summit and where trail to Toms Lake crosses ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2210 Comment
  SD109163  Angelica tomentosa var. tomentosa Joseph M. DiTomaso 1980-8-4 1849 Siskiyou Elk Valley Campground, end of Gasquet-Orleans Rd. from Orleans. 1340 Comment
  HSC94197  Anisocarpus madioides G. Fred Hrusa 1998-7-5 14694 Siskiyou Cedar Camp Rd., approx. 5 mi. E of Weitchpec on Hwy. 96. N side of Hwy Comment
  RSA699536  Antennaria argentea Jenny Marr 1993-07 0134 Siskiyou Butte Valley Wildlife Area, ~7 air miles NW of the town of MacDoel. 1350 Comment
  HSC58900  Antennaria corymbosa Marvin Butler 1971-8-31 327 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1464 Comment
  CAS-BOT-BC59158  Antennaria dimorpha Roxana S. Ferris; Laura Lorraine 1948-6-12 11830 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle 1499 Comment
  SEINET2031016 Image available Antennaria dimorpha Gene B. Newcomb, H. G. Baker 1959-3-28 237 Siskiyou 4.5 miles N of Yreka city limits on US Highway 99. 910 Comment
  CAS-BOT-BC58718  Antennaria geyeri A. A. Heller 1916-7-21 12482 Siskiyou Near Upton 1097 Comment
  CHSC69065  Antennaria geyeri Vernon H. Oswald; Lowell Ahart 1997-7-28 8803 Siskiyou Forest Route 15 ca. 1 mi south of Harris Spring: T42N R2E Sect. 31, ca. 4800 ft. 1463 Comment
  UC88215  Antennaria geyeri unknown Jul 1887 Siskiyou Ager Comment
  CAS-BOT-BC58712  Antennaria geyeri Elmer I. Applegate 1936-7-3 10501 Siskiyou Lava Beds National Monument. East side of Hippo Butte Comment
  HSC29212  Antennaria racemosa Frederick W. Oettinger 1969-7-29 1109 Siskiyou High Lake Basins near English Peak, Marble Mountain Wilderness Area; slope NNW of Upper English Lake 2012 Comment
  RSA416693  Antennaria racemosa M. B. Dunkle 1944-6-26 9047 Siskiyou Deer Creek. 1829 Comment
  CHSC71277  Antennaria rosea subsp. rosea Vernon H. Oswald; Lowell Ahart 1998-6-11 9210 Siskiyou Old State Hwy. 0.1 mi east of Tennant Rd., ca. 9 air mi east of Grass Lake located on Hwy. 97, ca. 22 air mi northeast of Weed. 1402 Comment
  HSC98368  Antennaria rosea subsp. rosea G. L. Clifton, Griswold 1979-6-28 6101 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  HSC29208  Antennaria umbrinella Frederick W. Oettinger 1968-8-5 402 Siskiyou High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area, 'Shasta Ridge' between Diamond Lake and English Peak 2073 Comment
  CDA6273  Antirrhinum majus T. C. Fuller 1965-6-1 13584 Siskiyou East side of Highway 99 just south of Dunsmuir exit, Dunsmuir. 0 Comment
  JEPS83417  Antirrhinum vexillocalyculatum subsp. breweri David M. Thompson 1983-9-10 409 Siskiyou 1.8 n nne Swillup Creek bridge (on Hwy 96, nw side of road near reflector post, across Klamath River from mouth of King Creek); Ukonom Lake Quad. (15', 1955) 341 Comment
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Apr 24 2015
  JEPS107371  Apera interrupta Lowell Ahart, John Dittes 2005-6-9 12007 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  CAS-BOT-BC394987  Aquilegia formosa A. A. Heller 1905-6-22 13499 Siskiyou Between Igerna and Weed Comment
  CAS-BOT-BC397943  Aquilegia formosa Alice Eastwood 1923-5-27 11959 Siskiyou Shasta Springs Comment
  CAS-BOT-BC397945  Aquilegia formosa Alice Eastwood 1921-7-25 10820 Siskiyou Bigelows Mc Cloud River Comment
  HSC98160  Aquilegia formosa J. O. Sawyer 1969-7-1 993 Siskiyou Above Paynes Lake Creek 1951 Comment
  SEINET10536307  Aquilegia formosa Linstedt 1984-5-27 LINSTEDT 68 Siskiyou T44n,r11w,sec.26, indian scotty campground, found on n-facing slope near Ceanothus and mitella. Corolla orange with yellow center 701 Comment
  RSA238277  Aquilegia formosa var. truncata Frederick W. Oettinger 1967-8-13 256 Siskiyou Below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  RSA0125745  Arabis breweri Geo. D. Butler 1910-5-21 1379 Siskiyou Klamath River. Comment
  UCR37538  Arabis breweri var. breweri L. P. Janeway 1983-7-4 382 Siskiyou South ridge of Little Grayback Mtn. Comment
  UC705860  Arabis glabra Marion Ownbey and Fred G. Meyer 1940-7-7 2207 Siskiyou sw of Yreka (along Soap Ridge Road) Comment
  HSC62265  Arabis holboellii var. retrofracta Al Hobart Siskiyou Youngs Valley Comment
  RSA0110968  Arabis microphylla var. microphylla Frederick W. Oettinger 1968-8-10 465 Siskiyou East side of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  HSC92772  Arabis modesta D. L. Goforth 1980-4-23 475 Siskiyou Salmon River at Tripp Creek 351 Comment
  UC583410  Arabis modesta Elmer I. Applegate 1932-4-16 7065 Siskiyou between Hamburg and Seiad Valley; Klamath River Comment
  RSA0129721  Arabis oligantha E. B. Copeland 1903-8-16 3914 Siskiyou Mount Shasta 2439 Comment
  CAS-BOT-BC17367  Arabis oregana Lincoln Constance; Reed Clark Rollins 1942-5-13 2915 Siskiyou Scott River 10 miles southwest of Scott Bar. 609 Comment
  HSC92698  Arabis oregana J. P. Smith 1973-5-5 6497 Siskiyou Along Cook and Green Pass Rd. Comment
  RSA0129719  Arabis platysperma William J. Ferlatte 1967-8-21 1071 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake; Trinity Alps. 2287 Comment
  RSA211449  Arabis platysperma var. howellii William J. Ferlatte 1966-7-6 185 Siskiyou Caribou Mtn. 2470 Comment
  HSC79314  Arabis repanda D. H. Norris 1968-7-29 2210 Siskiyou Along trail from Big Flat to Yellow Rose Mine 1677 Comment
  JEPS104823  Arabis subpinnatifida Dean W. Taylor 1996-5-29 15642 Siskiyou upper Noyes Valley; along Noyes Valley Creek (ca. 20 air miles SW of Yreka) 1371 Comment
  UC165380  Arabis suffrutescens Geo. D. Butler 1910-7-9 1705 Siskiyou Shackleford Creek Comment
  RSA0128839  Arabis suffrutescens Geo. D. Butler 1910-7-9 1705 Siskiyou Shackleford Creek. 1220 Comment
  UC933377  Aralia californica Annie M. Alexander and Louise Kellogg 1948-9-7 5587 A Siskiyou at small creek S. Fork Salmon R. Siskiyou Mts., S. Fork Salmon R. Comment
  RSA639070  Arbutus menziesii L. C. Wheeler 1958-8-18 7394 Siskiyou West Fork Seiad Creek. Comment
  CAS-BOT-BC407723  Arceuthobium abietinum William Bridge Cooke 1939-6-30 13574 Siskiyou along the Sisson Southern Trail, Mount Shasta 1066 Comment
  CAS-BOT-BC407725  Arceuthobium abietinum F. G. Hawksworth; D. Wiens 1964-7-1 641 Siskiyou on Mt. Shasta Ski Area Road, 5 miles from US 99 (Mt. Shasta) 1524 Comment
  HSC96177  Arceuthobium campylopodum R. L. Mathiasen 2005-3-12 530 Siskiyou 5.3 km from Siskiyou Lake on road to Castle Lake, Shasta-Trinity National Forest 1330 Comment
  UC1409472  Arceuthobium campylopodum Frederick W. Oettinger 1968-9-5 712 Siskiyou between Diamond and Hancock Lakes Salmon Mountains, Marble Mountain Wilderness Area, English P 2011 Comment
  HSC96171  Arceuthobium campylopodum R. L. Mathiasen 2005-3-12 531 Siskiyou 0.8 km N of Hwy. 89 on FS Rd. 88 (road to Mt. Shasta Ski Park), Shasta-Trinity National Forest Comment
  HSC4920  Arctostaphylos nevadensis J. O. Sawyer 1968-9-28 750 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  HSC58863  Arctostaphylos nevadensis Marvin Butler 1971-7-6 25 Siskiyou Near El Capitan 1524 Comment
  JEPS74506  Arctostaphylos nevadensis W. J. Ferlatte 1966-6-22 71 Siskiyou Josephine Lake basin Trinity Alps 1676 Comment
  JEPS124854 Image available Arctostaphylos nevadensis J. Yamanaka 1965-7-13 135 Siskiyou Mt. Shasta. Comment
  SEINET11989660  Arctostaphylos nevadensis A. Seneres, Harold, N.; Edwards, S. W. 1982-1 s.n. Siskiyou SW grassy spur of Deadwood Peak Comment
  CAS-BOT-BC46463  Arctostaphylos patula Mrs. H. C. Cantelow 1936-5-21 s.n. Siskiyou N. slope of Scott Mts. Comment
  CAS-BOT-BC46487  Arctostaphylos patula Ira L. Wiggins 1955-7-22 13459 Siskiyou Ridge w. of China Creek, s. side of s. fork of Salmon River. 944 Comment
  HSC92272  Arctostaphylos patula Jennifer Whipple 1976-6-11 967 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2195 Comment
  JEPS83892  Arctostaphylos patula Wayne Roderick July 1976 Siskiyou areas near Cook and Green Pass (along trail to Lily Pad Lake); Siskiyou Mountains Comment
  SEINET8754043 Image available Arctostaphylos patula Richard R. Halse 2015-1 9325 Siskiyou Southern part of city, west side of Interstate Hwy. 5, off of Mountain View Drive. 1083 Comment
  CDA38690  Arctostaphylos patula T. C. Fuller 1962-6-13 8991 Siskiyou Road to Medicine Lake, 3.2 miles north of Bartle. 0 Comment
  SEINET11988200  Arctostaphylos patula W. Roderick, Sigg, J. 1981-1 s.n. Siskiyou Cook & Green Pass 1372 Comment
  CAS-BOT-BC47017  Arctostaphylos viscida subsp. viscida E. B. Copeland 1903-7-14 3519 Siskiyou Klamathon. Comment
  CAS-BOT-BC47020  Arctostaphylos viscida subsp. viscida Alice Eastwood 1912-7-20 1250 Siskiyou Horubrook. Comment
  JEPS38756  Arctostaphylos viscida subsp. viscida Geo. D. Butler 1909-3-21 659 Siskiyou Oro Fino Comment
  UC1971401  Arctostaphylos viscida subsp. viscida Louis C. Wheeler 1958-8-19 7401 Siskiyou Seiad Creek Mine. Comment
  RSA264950  Arenaria congesta Gilbert Muth 1975-7-28 9902 Siskiyou Near Cook and Green Pass, near Seiad Valley 1524 Comment
  UC1299493  Arenaria congesta var. suffrutescens Freed W. Hoffman 1950-7-14 3625 Siskiyou Baldy Mountain North Coast Ranges, Baldy Mountain (western Siskiyou County) Comment
  CAS-BOT-BC467188  Arenaria serpyllifolia var. serpyllifolia Alice Eastwood; John Thomas Howell 1937-6-26 5061 Siskiyou Near Forks of Salmon Comment
  HSC68395  Arnica cernua Maralyn A. Renner 1980-6-26 1245 Siskiyou SE edge of Flint Valley. 1390 Comment
  UC1192152  Arnica chamissonis Calvin McMillan and Malcolm A. Nobs 1949-6-17 797 Siskiyou Highway 97 Grass Lake Comment
  POM253187  Arnica chamissonis subsp. foliosa A. A. Heller 1938-7-13 15270 Siskiyou 1 mile south of Bray 1402 Comment
  POM312501  Arnica chamissonis subsp. foliosa Malcolm A. Nobs, Calvin McMillan 1949-6-17 798 Siskiyou Grass Lake, Highway 97. Comment
  UC165318  Arnica discoidea Geo. D. Butler 1908-8-26 322 Siskiyou Old trail between Taylor and Cow Creeks Comment
  UC455482  Arnica discoidea I. J. Condit 1911-7-4 Siskiyou Shasta Retreat Comment
  HSC60833  Arnica discoidea Ruby Van Deventer 1962-8-15 Siskiyou Bell Echo Camp in Young's Valley; 1 mile south of Bell Echo 1372 Comment
  UCR80880  Arnica latifolia G. Fred Hrusa 1993-8-14 11398 Siskiyou Summit of Pass between Happy Camp, California and O'Brien, Oregon. Just on the California side of the state boundary 1375 Comment
  UCSB13057  Arnica latifolia Dearing, Hugh; Dearing, Margaret 1939-7-1 Siskiyou West of Etna on Etna Creek 1219 Comment
  RSA120940  Arnica longifolia subsp. myriadenia H. K. Wagnon 1957-8-11 1713 Siskiyou East slope of Mt. Shasta, along Ash Cr., ca. 1 mi N of Military Pass Rd. Comment
  HSC22150  Arnica mollis J. O. Sawyer 1969-8-5 1744 Siskiyou W of Little Duck Lake 2073 Comment
  HSC29103  Arnica mollis Frederick W. Oettinger 1969-8-19 1470 Siskiyou Marble Mtn. Wilderness Area, about 0.2 mile due NE of Charmaine Lake 1890 Comment
  HSC96404  Arnica mollis Gordon Leppig, J. Kalt 1996-7-9 349 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  UC129317  Arnica mollis Harley P. Chandler 1901-6-1 1700 Siskiyou Shackleford Canyon North Coast Ranges, Marble Mountain 1828 Comment
  UC1408807  Arnica mollis Robert F. Thorne and Fred Oettinger 1969-8-10 38974 Siskiyou dryer portion of meadows, along small creek in forest Panther Creek Meadows; Mt. Shasta National Forest, Mt. Shasta, Panther Creek Meadow 2194 Comment
  CAS-BOT-BC85048  Arnica spathulata Volney Rattan 1876-6-1 s.n. Siskiyou Siskiyou Mts. Comment
  CAS-BOT-BC90482  Artemisia douglasiana A. A. Heller 1914-8-25 11710 Siskiyou Along the railroad embankment near Deetz Station opposite Black Butte 1158 Comment
  CAS-BOT-BC90740  Artemisia ludoviciana subsp. incompta Gilbert Muth 1966-7-31 472 Siskiyou north side of Black Mountain, Marble Mts. 2011 Comment
  UC922318  Aruncus dioicus var. pubescens Annie M. Alexander and Louise Kellogg 1949-7-24 5866 Siskiyou trail to Bear Lake; Marble Mountains, Paradise Lake 1920 Comment
  CAS-BOT-BC447719  Aruncus dioicus var. vulgaris C. A. Chamberlain 1934-8-17 3179 Siskiyou Siskiyou Mts.; N side White Mt. 1828 Comment
  JEPS24024  Asarum caudatum R. Bacigalupi with Drs. Reino & Aloha Alava 1958-9-3 6885 A Siskiyou 2.5 miles north-east of Poker Flat; Siskiyou Mts. 1463 Comment
  UC1045273  Asarum caudatum W. B. Cooke 1940-7-12 15316 Siskiyou in Box Canyon of the Sacramento River near Mount Shasta City 914 Comment
  CAS-BOT-BC400696  Asarum hartwegii Doris K. Kildale 1929-5-26 9195 Siskiyou Hawkins Bar on Salmon River 609 Comment
  CAS-BOT-BC400698  Asarum hartwegii Doris K. Kildale 1930-6-1 9715 Siskiyou Salmon River between Oak Bottom and Somes Bar Comment
  UC164123  Asclepias cordifolia Geo. D. Butler 1910-5-23 1396 Siskiyou Humbug Mountain 1219 Comment
  UC705671  Asclepias cordifolia Marion Ownbey, Fred G. Meyer 1940-7-6 2202 Siskiyou Cayenne Ridge Marble Mountain Comment
  SEINET10928327  Asclepias cordifolia A. Arthur Heller 1916-6-23 Heller 12420 Siskiyou Open places in the yellow pine belt in coarse sandy soil near Black Butte north of Sisson, The prevalent undershrubs are Ceanothus and Uva-ursi 1128 Comment
  JEPS117565  Asclepias speciosa Lowell Ahart, John Dittes 2010-7-30 16965 Siskiyou About 10 yards west of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  RSA15601  Asclepias speciosa C. B. Wolf 1927-8-26 1100 Siskiyou Klamath River, 14 miles above Happy Camp. Comment
  JEPS94712  Aspidotis densa Vernon H. Oswald and Lowell Ahart 1998-8-3 9448 Siskiyou Rock Fence Lake Road (USFS 41N18) 1.2 mi ne of its intersection with Kangaroo Lake Road (USFS 41N08) (4.9 mi se of Gazelle-Callahan Road); Rock Fence Lake Road (USFS 41N18) 1767 Comment
  CAS-BOT-BC69554  Aspidotis densa Louis C. Wheeler 1934-6-28 2814 Siskiyou Little Soda Cr., Klamath Forest. 1432 Comment
  CAS-BOT-BC69594  Aspidotis densa Donald Branscomb 1958-7-1 s.n. Siskiyou Castle Lake. 1706 Comment
  POM261532  Aster radulinus Alice Eastwood 1912-7-21 1281 Siskiyou Sisson. Comment
  CAS-BOT-BC177277  Astragalus accidens var. hendersonii L. E. Smith 1913-7-1 s.n. Siskiyou Hilt Comment
  UC163741  Astragalus accidens var. hendersonii Mrs. C. Quigley 1909-5-8 706 Siskiyou near Yreka (Klamath River); near Yreka, Klamath River Comment
  CAS-BOT-BC193060  Astragalus purshii var. tinctus Alice Eastwood; John Thomas Howell 1934-4-20 1744 Siskiyou Near Yreka on Ft. Jones road Comment
  CAS-BOT-BC193064  Astragalus purshii var. tinctus R. C. Barneby 1954-5-16 11515 Siskiyou Klamath R. canyon 1/2 mi. below Hamburg 457 Comment
  CAS-BOT-BC198705  Astragalus whitneyi var. siskiyouensis A. A. Heller 1916-7-22 12487 Siskiyou East side of Mt. Eddy Comment
  CAS-BOT-BC198703  Astragalus whitneyi var. siskiyouensis Dorothy Parker 1953-7-20 547 Siskiyou Cabin Meadow Creek near Cory Peak - Siskiyou Mountains 1981 Comment
  RSA105491  Astragalus whitneyi var. siskiyouensis G. D. Barbe 1955-7-26 272 Siskiyou On northwest slope of Scott Mtn. near a dry ditch. 1829 Comment
  RSA516373  Astragalus whitneyi var. siskiyouensis Barbara J. Ertter 1985-5-30 5758 Siskiyou 2.6 mi N of Scott Mt Summit on Hwy 3 SE of Callahan. 1402 Comment
  HSC65080  Asyneuma prenanthoides J. P. Smith, Steve Selva 1970-6-15 3899 Siskiyou Oak Bottom Campground near Somes Bar. 229 Comment
  CAS-BOT-BC69573  Athyrium alpestre subsp. americanum C. G. Pringle 1881-8-17 s.n. Siskiyou Mt. Shasta. 2286 Comment
  RSA693556  Athyrium americanum M. B. Dunkle 1945-07 s.n. Siskiyou Klamath National Forest; Marble Mts. Comment
  RSA333468  Athyrium filix-femina subsp. cyclosorum Dave Kelly, Walter Wisura 1985-7-30 4071 Siskiyou Siskiyou Mountains, along Middle Creek Road, north of Horse Creek Comment
  UC637178  Athyrium filix-femina var. cyclosorum Edward Lee 1934-8-11 1073 Siskiyou e end Seiad Valley (Walker Creek, a tributary of Klamath River) 609 Comment
  HSC96308  Athyrium filix-femina var. cyclosorum Gordon Leppig 1998-8-14 1034 Siskiyou Russian Wilderness, W of Little Duck Lake 2200 Comment
  UC585252  Balsamorhiza deltoidea E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1995 Siskiyou 1 1/2 mi w of, e and ne slope of spur of Rainbow Ridge above Sulloway Creek Mt. Shasta City; Rainbow Ridge 1180 Comment
  POM30828  Balsamorhiza deltoidea Geo. D. Butler 1910-4-16 1180 Siskiyou Klamath hills Comment
  CAS-BOT-BC100050  Balsamorhiza hookeri Dorothy Parker 1951-5-20 515 Siskiyou on the summit of Scott Mountain 1624 Comment
  CAS-BOT-BC100054  Balsamorhiza lanata Richard R. Halse 1989-5-6 3818 Siskiyou Along Old Highway 99, 3.2 to 6.2 miles south of Gazelle, or 1.5 miles north of its junction with Old Stage Road 912 Comment
  CHSC118187  Balsamorhiza lanata Sarah Tona 2015-6-9 3 Siskiyou Along the west side of Old Highway 99, 1.8 miles south of Gazelle. Coordinates: 44.494926, -122.510921 WGS84. 876 Comment
  HSC103648  Balsamorhiza sericea Thomas W. Nelson, Jane Nelson 1985-6-19 7818 Siskiyou In and about Scott Mountain Campground. 1646 Comment
  POM350743  Balsamorhiza terebinthacea M. A. Baker 1977-5-22 327 Siskiyou One mile west of Hwy 3 on moist south-facing bank of road to Little Duck Lake and Sugar Lake. Comment
  POM350744  Balsamorhiza terebinthacea M. A. Baker 1977-5-22 327 Siskiyou One mile west of Hwy 3 on moist south-facing bank of road to Little Duck Lake and Sugar Lake. Comment
  CAS-BOT-BC16691  Barbarea orthoceras Alice Eastwood 1923-5-18 11822 Siskiyou Shasta Springs. Comment
  CDA3610  Barbarea vulgaris C. S. Giebner 1961-5-1 Siskiyou Callahan . 0 Comment
  HSC4358  Bassia hyssopifolia L. C. Wheeler 1934-10-21 3332 Siskiyou Shasta Valley 4 mi. E of Grenada 869 Comment
  HSC77494  Berberis aquifolium var. repens L. P. Janeway, J. L. Ramstedt 1983-7-9 395 Siskiyou E of Preston Peak 1402 Comment
  UC135573  Berberis aquifolium var. repens Dr. E. B. Copeland 1903-8-19 3810 Siskiyou Mt. Eddy 1463 Comment
  CAS-BOT-BC75943  Berberis piperiana John Thomas Howell 1937-7-23 13357 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC75997  Berberis pumila Laura M. Lathrop 1903-7-16 s.n. Siskiyou Shasta Retreat. Comment
  CHSC110508  Betula occidentalis Julie Kierstead Nelson; R. Posey, P. Zika, T. Derksen 2012-6-21 2012 -058 Siskiyou South Fork Willow Creek, foothills of N side Scott Mountain Rd. 42N19 Sec. 30; ca 1 mile S of Gazelle-Callahan Hwy. 1158 Comment
  HSC100271  Betula occidentalis J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13065 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2003 Comment
  HSC2222  Bidens cernua L. C. Wheeler 1934-10-21 3337 Siskiyou Shasta Valley, 4 miles east of Grenada 869 Comment
  POM211250  Bidens cernua L. C. Wheeler 1934-10-21 3337 Siskiyou Shasta Valley 4 miles east of Grenada. 868 Comment
  UC893934  Bidens cernua Louis C. Wheeler 1934-10-21 3337 Siskiyou 4 mi e of Grenada (Shasta Valley); Shasta Valley 868 Comment
  HSC27220  Bidens frondosa J. P. Smith, J. O. Sawyer 1971-9-18 4793 Siskiyou Hwy. 3, between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  JEPS24015  Bidens frondosa Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6876 Siskiyou 2 mi w, in canyon of Portugese Creek Seiad Valley; Klamath River, Portugeuese Creek 396 Comment
  HSC2267  Blepharipappus scaber Geo. D. Butler 1910-5-17 1355 Siskiyou Yreka Comment
  HSC46196  Blepharipappus scaber Jennifer Whipple 1977-4-30 1875 Siskiyou Scott Valley near Weston Gulch 854 Comment
  CAS-BOT-BC15793  Boechera acutina John Thomas Howell 1939-8-9 15193 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  CHSC30061  Boechera breweri Harritta Gaussoin 1980-3-26 6 Siskiyou Ca. .25 miles NE of rest stop of jct. of Interstate % N and Highway 96 E. 91 Comment
  JEPS101151  Boechera pauciflora Dean W. Taylor 1996-6-19 15711 B Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 Comment
  UC1783914  Boechera pauciflora Geo. D. Butler 1908-8-4 125 Siskiyou head of Shackelford Creek 1676 Comment
  CAS-BOT-BC14410  Boechera platysperma Lester Rowntree 1937-7-24 s.n. Siskiyou Caribou Lakes. Comment
  CAS-BOT-BC14536  Boechera puberula A. A. Heller 1920-7-9 13434 Siskiyou Long bare easterly slope of Mount Eddy. 2438 Comment
  CAS-BOT-BC25413  Boechera retrofracta George Dexter Butler 1910-7-8 1663 Siskiyou Log Lake-Shackleford Creek. 1219 Comment
  CAS-BOT-BC25425  Boechera retrofracta Ira L. Wiggins; Dorothy B. Wiggins 1961-6-15 16493 Siskiyou At quarry on Glass Mountain. Comment
  CAS-BOT-BC25615  Boechera retrofracta John Thomas Howell 1939-8-4 15048 Siskiyou Marble Mountains. Marble River. 1889 Comment
  JEPS104933  Boechera retrofracta Dean W. Taylor 1996-6-18 15726 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 Comment
  HSC103180  Boechera rollei Dana York 2012-7-21 3129 Siskiyou Rogue River-Siskiyou National Forest, Siskiyou Mountains, ridge above Echo Lake. 1790 Comment
  CAS-BOT-BC25728  Boechera sparsiflora Roxana S. Ferris; Laura Lorraine 1948-6-12 11838 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle. 1499 Comment
  CAS-BOT-BC410946  Boechera sparsiflora Geo. D. Butler 1910-4-16 1178 Siskiyou Klamath hills Comment
  CAS-BOT-BC410948  Boechera sparsiflora L. E. Smith 1913-5-28 309 Siskiyou Yreka Comment
  UC1045263  Boechera sparsiflora Reed Rollins 1940-7-26 15365 Siskiyou Diller Canyon Mount Shasta 1828 Comment
  CAS-BOT-BC410930  Boechera sparsiflora L. E. Smith 1913-4-25 104 Siskiyou Hornbrook Comment
  CAS-BOT-BC25929  Boechera suffrutescens John Thomas Howell 1937-7-24 13379 Siskiyou Salmon-Trinity Alps. Caribou Basin. 2286 Comment
  UC1159804  Bolboschoenus maritimus Edward J. O'Neill Sep 1965 Siskiyou Tulelake Fish and Game Preserve Comment
  JEPS109889  Botrypus virginianus Dean W. Taylor 2005-9-28 19493 Siskiyou Sacramento River Canyon, ca. 2.5 air miles SE of Box Canyon Dam 1036 Comment
  SBBG25884  Boykinia major D. Myrick 1966-8-10 1518 Siskiyou Salmon Crk at Mtn Meadow Ranch, Big Flat 1676 Comment
  HSC86545  Boykinia major D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  CAS-BOT-BC418420  Boykinia occidentalis Doris K. Kildale 1928-8-1 6188 Siskiyou 1/2 miles north of Brookings Comment
  JEPS111015  Brickellia grandiflora J. K. Nelson with J. R. and Soren Nelson 2004-8-29 2004 -96 Siskiyou South side Mt. Shasta, south side of McKenzie Butte, along Road 31 1584 Comment
  CAS-BOT-BC127857  Brickellia grandiflora Alice Eastwood 1912-7-26 1459 Siskiyou Pitt to Kennet. Sisson. Comment
  CAS-BOT-BC383117  Brickellia greenei Andrew Townesmith; Karen M. Meyer 2007-7-28 862 Siskiyou Shasta-Trinity National Forest. Along Forest Service route 26, 4.1 miles west of forest boundary 1277 Comment
  UC1190170  Brodiaea elegans subsp. elegans Ira L. Wiggins 1955-7-25 13509 Siskiyou meadow Mountain View Ranch 960 Comment
  CAS-BOT-BC484384  Brodiaea elegans subsp. elegans Clarice Nye 1940-7-1 s.n. Siskiyou Near Copco, Green Springs Mountain, California-Oregon border Comment
  HSC101478  Bromus carinatus var. carinatus J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 12992 Siskiyou Along State Route 3 (Scott Mountain Road) southeast of Callahan. 1334 Comment
  JEPS69179  Bromus carinatus var. carinatus Geo. D. Butler 1909-6-13 832 Siskiyou Moffitt Creek Comment
  UCD59193  Bromus carinatus var. marginatus Geo. D. Butler Date Unknown 844 Siskiyou Near Yreka. Comment
  CAS-BOT-BC155962  Bromus commutatus Louis C. Wheeler 1934-6-22 2748 Siskiyou Klamath National Forest. Cottonwood Creek. 914 Comment
  RSA582096  Bromus commutatus L. C. Wheeler 1934-6-22 2748 Siskiyou Siskiyou Mts., Cottonwood Creek. 915 Comment
  HSC103020  Bromus hordeaceus J. P. Smith 2014-6-6 13877 Siskiyou Along State Route 96 at the Portuguese Creek Access to the Klamath River 416 Comment
  CHSC91358  Bromus japonicus Lowell Ahart; John Dittes 2005-6-9 12009 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  SEINET10900337  Bromus japonicus var. porrectus Louis C. Wheeler 1935-7-13 Wheeler 3661 Siskiyou Damp sunny creek bank. Ager. 792 Comment
  HSC101709  Bromus tectorum J. P. Smith, J. O. Sawyer 2011-6-25 13257 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  HSC76905  Bromus tectorum K. T. Stillman 1976-9-10 503 Siskiyou Marble Mountain Wilderness Area, across marble on E side of Black Mountain 2104 Comment
  JEPS73745  Bromus tectorum George D. Butler 1908-6-25 474 Siskiyou Butler's Ranch near Yreka Comment
  NY664636  Bromus tectorum A. A. Heller 1905-6-9 8012 Siskiyou Montague Comment
  NY664637  Bromus tectorum A. A. Heller 1905-6-9 8012 Siskiyou Montague Comment
  CAS-BOT-BC185378  Bromus vulgaris W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountains. Comment
  HSC91979  Calamagrostis breweri Jennifer Whipple 1977-8-5 2183 Siskiyou Slopes near Little Crater Lake 2195 Comment
  CAS-BOT-BC185270  Calamagrostis koelerioides G. L. Stebbins 1972-7-3 9008 Siskiyou South side of Red Butte, west of Cook and Green Pass. 1767 Comment
  UC1265352  Calamagrostis koelerioides F. W. Oettinger 1968-8-23 605 Siskiyou on slope of Peak below overlook of English Lake (on trail to Tom Taylor Cabin); Salmon Mountains, English Peak 2072 Comment
  UC869391  Callitriche verna Louis C. Wheeler 1935-6-13 3568 1/2 Siskiyou Greenview; Scott Valley 883 Comment
  CAS-BOT-BC80330  Callitropsis Oliver V. Matthews 1939-6-7 12 Siskiyou above Frog Lake, N. W. Siskiyou Co. 152 Comment
  CAS-BOT-BC85747  Calocedrus decurrens Gilbert Muth 1966-8-3 495 Siskiyou Marble Valley Meadow, Marble Mts. 1792 Comment
  HSC69144  Calocedrus decurrens Maralyn A. Renner 1980-8-8 2473 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  UC54189  Calochortus coeruleus H. M. Hall and E. B. Babcock Jun 1903 4033 Siskiyou Dunsmuir Upper Sacramento Valley 609 Comment
  CAS-BOT-BC487853  Calochortus coeruleus Roxana S. Ferris; Laura Lorraine 1948-6-12 11738 Siskiyou French Creek logging road west of Callahan 1219 Comment
  SBBG16027  Calochortus elegans D. Myrick 1961-6-20 283 Siskiyou Bear Springs, Mt Shasta 1676 Comment
  UC1299340  Calochortus elegans Freed W. Hoffman 1950-7-13 3766 Siskiyou Baldy Lookout, w Siskiyou County Baldy Lookout Comment
  CDA39291  Calochortus elegans var. nanus D. Osterhandt & D. H. Shaw 1978-3-31 s.n. Siskiyou Along road between Forks of Salmon and Somes Bar, southwestern part of county. 0 Comment
  SEINET10971608 Image available Calochortus greenei Edward L. Greene 1876-7-6 Greene 914 Siskiyou on Table Rock, Little Shasta River. Comment
  SEINET8339364  Calochortus macrocarpus Frank Callahan 2007-6-23 Siskiyou Louie Rd. exchange off I-5 going northeast on pavement - pavement ends and road turns to gravel. Comment
  SEINET10469598 Image available Calochortus monanthus Edward L. Greene 1876-6-24 Greene 887 Siskiyou Near Yreka. Comment
  CHSC41222  Calochortus nudus J. D. Jokerst 1983-7-6 1833 Siskiyou Sand Flat Well. Near the north-south oriented USFS road that traverses east edge of meadow. Ca. 5 mi. N of Pondosa and Hwy. 89. Comment
  RSA211388  Calochortus nudus William J. Ferlatte 1966-8-3 272 Siskiyou Josephine Lake basin. Trinity Alps. 1677 Comment
  HSC17650  Calyptridium monospermum D. E. Anderson 1962-8-5 2311 Siskiyou 3 mi. W of Bartlett, 1 mi. N of Shasta Co. line on Hwy. 89 Comment
  UC852133  Calyptridium umbellatum John Thomas Howell 1939-8-2 14866 Siskiyou Spirit Lake; Marble Mountains, Spirit Lake 1828 Comment
  UC725675  Calystegia malacophylla subsp. malacophylla A. A. Heller 1916-7-20 12471 Siskiyou e side Mt. Eddy (near Wagon Creek Falls); e side Mt. Eddy, nr Wagon Creek Falls 1524 Comment
  HSC99985  Calystegia malacophylla subsp. malacophylla Thomas W. Nelson 2005-7-16 9378 Siskiyou Along F. S. Rd. 42N16. 1337 Comment
  HSC66108  Calystegia occidentalis subsp. occidentalis J. P. Smith, Steve Selva 1970-6-15 3930 Siskiyou Between Forks of Salmon and Cecilville. Comment
  JEPS53273  Camelina microcarpa W. L. Jepson 1940-6-23 19984 Siskiyou about 2 mi e of Montague 822 Comment
  RSA186494  Camissonia tanacetifolia subsp. tanacetifolia Peter H. Raven 1962-5-30 17898 Siskiyou U.S. Highway 97, 4.4 miles south of Dorris Comment
  RSA186581  Camissonia tanacetifolia subsp. tanacetifolia D. Bates 1960-6-13 2436 Siskiyou Route 97 at Grass Lake Comment
  JEPS6116  Campanula prenanthoides Alice Eastwood 1912-7-21 1275 Siskiyou Sisson Comment
  POM299525  Campanula prenanthoides Marion Ownbey, Fred G. Meyer 1940-7-4 2171 Siskiyou Siskiyou Mts. Northwest of Hornbrook. Comment
  SEINET10462839  Campanula prenanthoides Barbe 1955-7-28 BARBE 317 Siskiyou .25 MI SW OF BIG CARMEN LAKE ON N SLOPE SCOTT MTN 5700', YELLOW PINE FOREST Comment
  SEINET10463090  Campanula prenanthoides Howell 1937-7-26 Howell 13561 Siskiyou Between Big Flat and Caribou Gulch Comment
  SEINET10905935  Campanula prenanthoides Alice Eastwood 1912-7-23 Eastwood 1334 Siskiyou Cantara Comment
  CHSC65630  Campanula wilkinsiana Maria Ulloa-Cruz 1994-8-3 70 Siskiyou Shasta-Trinity National Forest plants. Mount Shasta Ranger District. Big Canyon Creek Drainage. 1950 Comment
  SFV1452  Cardamine D. Parker 1958-5-25 642 Siskiyou Summit of Scott Cut. 1631 Comment
  HSC86543  Cardamine bellidifolia D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta, slope of Red Butte 2134 Comment
  HSC63072  Cardamine californica David Wheeler 1979-4-1 8 Siskiyou Matthews Creek Campground, S Fork of the Salmon River, between Cecilville and Forks of Salmon Comment
  NY25681  Carex amplifolia A. A. Heller 1905-6-5 7982 Siskiyou Between Shasta Retreat and Shasta Springs Comment
  POM297993  Carex amplifolia A. A. Heller 1905-6-5 6325 Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  RSA364723  Carex amplifolia L. C. Wheeler 1934-6-14 2711 Siskiyou Arrastre Creek off Hungry Creek. Siskiyou Mountains. 1280 Comment
  CHSC40199  Carex aquatilis var. dives L. P. Janeway 1983-8-28 636 Siskiyou At Poker Flat. 1524 Comment
  CHSC106462  Carex atherodes Peter F. Zika 2009-8-16 24601 Siskiyou Cascade Range Highlands (CaRH). On north side of Route 97, 0.4 road miles ENE of Grass Lake Rest Area, in seasonally wet meadow of Grass Lake. 1540 Comment
  CAS-BOT-BC18126  Carex athrostachya Alice Eastwood 1921-7-25 10833 Siskiyou Bigelows, on McCloud River. Comment
  CAS-BOT-BC18133  Carex athrostachya George Dexter Butler 1909-6-22 854 Siskiyou Goosenest Foothills. Comment
  UCD77462  Carex aurea Robert E. Preston 2002-7-12 1915 Siskiyou Klamath National Forest, S slope of Rainbow Mountain 1968 Comment
  JEPS84062  Carex aurea L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6379 Siskiyou 7 mi nne of Seiad Valley (w of Cook and Green Pass, 1.5 mi e of Red Butte Summit) 1900 Comment
  JEPS63754  Carex barbarae W. L. Jepson Jul 1894 57 a Siskiyou Sisson Comment
  HSC76799  Carex bolanderi L. P. Janeway 1982-6-22 18 Siskiyou Next to creek 15 m below road from West Branch Guard Station towards Indian Creek 671 Comment
  CAS-BOT-BC19661  Carex brainerdii R. E. Frenkel 1964-7-15 698 Siskiyou On Everitt Memorial Highway near Mount Shasta, 4.7 miles north of McCloud River RR crossing. 1545 Comment
  POM79942  Carex breweri E. B. Copeland 1903-7-16 2168 Siskiyou Mt. Shasta. 3171 Comment
  HSC73326  Carex concinnoides Gail Newton 1980-6-20 488 Siskiyou Near Bald Mtn. 1097 Comment
  CAS-BOT-BC20132  Carex feta George Dexter Butler 1909-6-13 807 Siskiyou Oro Fino. Comment
  UC397125  Carex feta Geo. D. Butler 1910-6-6 1460 Siskiyou Quartz Valley Comment
  UC618860  Carex fracta W. Bridge Cooke 1938-6-24 11085 Siskiyou McBride Springs Mount Shasta 1524 Comment
  UCD77458  Carex fracta Robert E. Preston 2002-7-13 1923 Siskiyou Klamath National Forest, Trout Creek Meadow. 1505 Comment
  JEPS93901  Carex gigas Vernon H. Oswald and Lowell Ahart 1998-8-3 9442 Siskiyou w of Kangaroo Lake (near the Pacific Crest Trail in the Scott Mountains); Scott Mountains 1981 Comment
  CHSC40187  Carex globosa L. P. Janeway 1983-7-17 415 Siskiyou At edge of rd 18N33 ca 7 mi from the Grayback Rd. 1463 Comment
  SEINET10505790  Carex gymnoclada Katherine L. Morris 1973-6-2 Morris 346 Siskiyou Found at the jct. Of shasta and kalmath rivers on hwy. 263 Comment
  CAS-BOT-BC28083  Carex hoodii John Thomas Howell 1937-7-21 13196 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  UC1540262  Carex hoodii Dean W. Taylor 1987-6-26 9067 Siskiyou 2 mi se Medecine Lake (near head of easternmost spring); Paynes Springs 1996 Comment
  UCR39770  Carex hoodii L. P. Janeway 1982-7-2 35 Siskiyou Poker Flat, end of road 18N33. At a raised drier spot in upper part of the meadow. 1524 Comment
  JEPS109847  Carex inops subsp. inops Dean W. Taylor 2004-7-20 19194 Siskiyou Mt. Shasta, slopes ca. 0.3 air mile E of Mud Creek dam. 1524 Comment
  UC826340  Carex interior A. A. Heller 1920-7-6 13411 Siskiyou ne base of Mount Eddy, Metcalf's Ranch Mount Eddy; , Metcalf's Ranch 1158 Comment
  SEINET10710013  Carex jonesii A. Arthur Heller 1922-7-15 Heller 13706 Siskiyou Plentiful in moist meadows at Medicine Lake, Canadian zone. 2134 Comment
  CHSC95044  Carex laeviculmis L. P. Janeway 2006-7-2 8748 Siskiyou Klamath Ranges. Salmon Mountains; un-named creek at the sharp bend in the Music Creek Trailhead Road, 0.6 km south of Music Creek. 1762 Comment
  HSC39255  Carex laeviculmis J. O. Sawyer 1968-7-10 511 Siskiyou On Sugar Creek just above confluence with S Sugar Creek 1707 Comment
  SEINET7563603 Image available Carex laeviculmis L. P. Janeway 2006-7-2 8743 Siskiyou Klamath Ranges. Salmon Mountains, headwaters of West Fork Whites Gulch, a tributary of North Fork Salmon River from the south, between sharp switchbacks of Road 40N61. Grasshopper Ridge 7.5' quad. 1554 Comment
  RSA237328  Carex laeviculmis Frederick W. Oettinger 1968-9-9 799 Siskiyou Along stream that runs from Tom s Upper Pond to Tom s Lower Pond. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC31304  Carex lenticularis var. impressa W. R. Dudley 1901-8-18 s.n. Siskiyou Jacksons Lake. Comment
  JEPS84072  Carex lenticularis var. impressa L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6375 Siskiyou ca. 1.5 mi e Red Butte summit (ca. 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  HSC33993  Carex lenticularis var. lipocarpa J. P. Smith 1974-5-25 7482 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  POM81783  Carex lenticularis var. lipocarpa Geo D. Butler 1910-7-8 1665 Siskiyou Log Lake, Shackleford Creek. 1220 Comment
  RSA13905  Carex leporinella L. C. Wheeler 1934-8-9 3087 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 1981 Comment
  HSC73327  Carex leptopoda Gail Newton 1980-6-20 491 Siskiyou Near Bald Mtn. 1097 Comment
  CHSC95994  Carex luzulina L. P. Janeway 2006-7-4 8783 Siskiyou Klamath Ranges. Scott Mountains; Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  CHSC96165  Carex luzulina L. P. Janeway 2006-7-1 8719 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow, north side of South Fork Salmon River. Small open dry meadow along road with seepy ditch along upper road edge. 1579 Comment
  UC1265320  Carex luzulina var. ablata Frederick W. Oettinger 1968-8-3 374 Siskiyou Diamond Lake Salmon Mountains, Marble Mountain Wilderness Area (high lake basins in the vicinity of English Peak) 1828 Comment
  CAS-BOT-BC31631  Carex luzulina var. ablata William Bridge Cooke 1939-7-7 13619 Siskiyou In the Sedge Swamp at Wagon Camp. 1737 Comment
  HSC29630  Carex mariposana Frederick W. Oettinger 1968-9-6 735 Siskiyou Marble Mtns. Wilderness Area, High Lake Basins, on trail NE of Tom's Lake 2165 Comment
  HSC62587  Carex mertensii Ruby Van Deventer 1957-7-8 Siskiyou Youngs Valley Comment
  HSC85838  Carex mertensii L. P. Janeway 1983-8-7 526 Siskiyou Along S fork Indian Creek Rd. (FS 17N32), 16 mi. from Indian Creek Rd. 1189 Comment
  RSA794454  Carex multicaulis P. F. Zika, Julie Nelson 2012-6-21 25909 Siskiyou Ridge above South Fork Willow Creek, 9 air km ENE of Gazelle Mountain, Shasta-Trinity National Forest, FS Road 42N42Y, 0.25 road miles east of junction with 42N19, Klamath Range. 1665 Comment
  UC909344  Carex multicaulis Ira L. Wiggins 1950-5-28 12363 Siskiyou ca 1.5 mi e Scott Mt. Road; Carmen Lake 1737 Comment
  HSC35791  Carex multicaulis J. O. Sawyer 1969-6-12 932 Siskiyou Along trail to Duck Lake 1799 Comment
  POM81432  Carex multicaulis Geo D. Butler 1909-7-15 853 Siskiyou Russian Creek. 1829 Comment
  CAS-BOT-BC32220  Carex multicostata Rimo Bacigalupi; Mr. VanDeventer; Mrs. VanDeventer 1959-7-10 7303 Siskiyou Meadow at Twin Valley, Siskiyou Mts. just E of Del Norte County line. 1493 Comment
  JEPS63628  Carex nebrascensis Geo. D. Butler 1909-6-13 808 Siskiyou Oro Fino Comment
  RSA237298  Carex nigricans Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1261 Siskiyou West of Tom s lower pond. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  JEPS102965  Carex pachystachya L. P. Janeway 2002-7-12 7624 Siskiyou High Cascade Range. 3.5 km south of the top of Ash Creek Butte; 0.2 km southwest of Road 19 (Military Pass Road); 0.6 km north-east of confluence of Ash Creek and Brewer Creek 1573 Comment
  RSA577439  Carex pachystachya L. C. Wheeler 1935-7-26 3718 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  CAS-BOT-BC118774  Carex preslii John Thomas Howell 1937-7-25 13485 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  JEPS25657  Carex preslii Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7300 Siskiyou 4 air-line mi nne Preston Peak (meadow at Twin Valley, just e of Del Norte County line); Siskiyou Mts., Twin Valley, watershed of Indian Creek 1493 Comment
  SEINET7572539 Image available Carex preslii Ray Tallent 1987-8-12 909 Siskiyou Klamath National Forest, trail to Long Gulch Lake. 1939 Comment
  CAS-BOT-BC118789  Carex preslii William Bridge Cooke 1938-7-22 11344 Siskiyou Mt. Shasta 1981 Comment
  HSC62616  Carex rossii Ruby Van Deventer Siskiyou Youngs Valley Comment
  HSC69185  Carex rostrata Maralyn A. Renner 1980-8-31 2633 Siskiyou Twin Valley. 1494 Comment
  HSC30526  Carex scopulorum Frederick W. Oettinger 1968-9-5 710 Siskiyou Marble Mtn. Wilderness Area, S end of Diamond Lake 2073 Comment
  HSC62617  Carex scopulorum Ruby Van Deventer Siskiyou Youngs Valley Comment
  HSC85804  Carex scopulorum var. bracteosa L. P. Janeway 1983-8-6 509 Siskiyou Poker Flat 1524 Comment
  HSC96569  Carex scopulorum var. bracteosa Gordon Leppig, J. Kalt 1996-7-9 368 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  CAS-BOT-BC28343  Carex scopulorum var. bracteosa A. A. Heller 1922-7-3 13673 Siskiyou Wet soil along Wagon Creek on Mt. Eddy. 2194 Comment
  CAS-BOT-BC117774  Carex specifica K. T. Stillman 1976-8-7 196 Siskiyou Scott Bar Quad. Marble Mountain Wilderness Area. 1828 Comment
  CAS-BOT-BC117259  Carex spectabilis William J. Ferlatte 1967-8-21 1066 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake. 2286 Comment
  HSC265  Carex spectabilis William J. Ferlatte 1967-8-21 1066 Siskiyou Sawtooth Ridge between Caribou Basin and Little S Fork Lake 2287 Comment
  HSC69359  Carex spectabilis Maralyn A. Renner 1980-8-19 2486 Siskiyou S side of Caribou Lake 2104 Comment
  UC922497  Carex spectabilis Annie M. Alexander and Louise Kellogg 1949-7-28 5886 Siskiyou Sky High Valley Marble Mountains 1767 Comment
  SEINET7575723 Image available Carex spectabilis Frederick W. Oettinger, R. F. Thorne 1969-8-6 1254 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area, the New York Flumes, Pine Lake Basin. 1859 Comment
  CAS-BOT-BC115857  Carex subfusca Louis C. Wheeler 1934-6-22 2754 Siskiyou Cottonwood Creek. 914 Comment
  HSC86440  Carex subfusca D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta 2134 Comment
  CAS-BOT-BC115843  Carex subfusca Lewis Samuel Rose 1937-7-3 37393 A Siskiyou Unspecified. 944 Comment
  CAS-BOT-BC115845  Carex subfusca William Bridge Cooke 1938-8-22 11340 Siskiyou Sisson Southern Trail. 1828 Comment
  SEINET7577153 Image available Carex subfusca Frederick W. Oettinger 1969-8-10 1464 Siskiyou Plants of the Salmon Mountains. Between King David Peak and Abbotts Basin. 1859 Comment
  SEINET7579983 Image available Carex vesicaria Frederick W. Oettinger 1968-9-4 693 Siskiyou High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, shore of Abbotts Lake. 1722 Comment
  SEINET515839  Carex whitneyi Vernon Oswald 1997-7-28 8799 Siskiyou Schonchin Spring Campground at Medicine Lake. 2057 Comment
  RSA238340  Cassiope mertensiana subsp. ciliolata Frederick W. Oettinger 1968-8-1 336 Siskiyou Inlet stream to Little Hancock Lake as it passes through a wet boreal meadow just So. of the lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  HSC69366  Castilleja applegatei J. O. Sawyer, J. Cole 1980-7-19 3652 Siskiyou N and W of Little Mt. Hoffman 1982 Comment
  CHSC4545  Castilleja applegatei subsp. pinetorum J. E. Bowlin 1967-7-18 50 Siskiyou Ca. 10 mi w of Mount Shasta Ski Bowl. 1981 Comment
  HSC81582  Castilleja applegatei subsp. pinetorum Thomas W. Nelson, Jane P. Nelson 1980-7-17 6086 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  HSC91215  Castilleja applegatei subsp. pinetorum Jennifer Whipple 1976-6-11 963 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  JEPS23282  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with Lincoln Constance 1959-6-16 7149 Siskiyou 0.3 mi e Deadhorse summit (on State Highway 89) 1341 Comment
  UC164278  Castilleja applegatei subsp. pinetorum Geo. D. Butler 1910-4-19 1198 Siskiyou near Yreka Comment
  RSA425928  Castilleja applegatei subsp. pinetorum M. B. Dunkle 1944-6-26 9046 Siskiyou Siskiyou National Forest. Coastal Northern California. Comment
  JEPS3786  Castilleja arachnoidea Geo. D. Butler 1910-7-9 1712 Siskiyou Marble Mt. 1828 Comment
  HSC59897  Castilleja arachnoidea D. L. Goforth 1979-7-19 253 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin 2134 Comment
  HSC711  Castilleja arachnoidea William J. Ferlatte 1967-8-20 1040 Siskiyou Caribou Mtn. 2470 Comment
  RSA233657  Castilleja arachnoidea Robert F. Thorne, Frederick W. Oettinger 1969-8-10 39007 Siskiyou Mt. Shasta National Forest. S slope of Mt. Shasta. 2378 Comment
  RSA142620  Castilleja arachnoidea subsp. schizotricha Philip A. Munz 1960-8-22 24190 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
  CAS-BOT-BC254116  Castilleja miniata John Thomas Howell 1939-8-2 14861 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC61114  Castilleja miniata Ruby Van Deventer 1955-7-31 Siskiyou FS Rd. 17N04, Doe Flat 1067 Comment
  JEPS80583  Castilleja miniata Gilbert Muth 1965-7-29 136 Siskiyou below Marble Rim; Marble Mt. Wilderness Area 2042 Comment
  JEPS84012  Castilleja miniata L. R. Heckard with S. D'Alcamo, J. Hickman, W. Roderick 1986-7-16 6401 Siskiyou ca 5 mi n Seiad Valley town (above and w of Lily Pad Lake) 1770 Comment
  UCD122989  Castilleja miniata J. M. Tucker 1963-8-17 3740 Siskiyou in vicinity of cabin, Red Rock Creek, lower Red Rock Valley, Marble Mountain Wilderness Area. 1493 Comment
  HSC69502  Castilleja pruinosa John S. Palmer 1980-7-24 646 Siskiyou Dillon Divide 1707 Comment
  JEPS60245  Castilleja pruinosa L. R. Heckard with R. Ornduff 1969-6-24 2310 Siskiyou just w road fork to Copco Lake (along Klamath River); Klamath River Comment
  CAS-BOT-BC241086  Castilleja schizotricha Gilbert Muth 1965-8-6 s.n. Siskiyou Backside of Blk. Mt. 2072 Comment
  CAS-BOT-BC241088  Castilleja schizotricha John Thomas Howell 1939-8-8 15182 Siskiyou Black Mts., Marble Mts. Comment
  UC338006  Ceanothus cordulatus Lemmon 1889-6-28 Siskiyou near Mt. Eddy; Shasta region 1828 Comment
  HSC36693  Ceanothus cuneatus Brent Whitely 1975-6-21 18 Siskiyou 223 Comment
  HSC45164  Ceanothus cuneatus J. O. Sawyer, E. Cope 1977-6-19 2954 Siskiyou Clear Creek Trail between Preston Creek and Trout Camp 915 Comment
  CAS-BOT-BC50243  Ceanothus integerrimus J. Cromwell; A. Thoele; J. Schneider 1994-5-16 077 Siskiyou 5 mi. W of Seiad Valley on Hwy 96 390 Comment
  CDA35592  Ceanothus integerrimus var. macrothyrsus T. C. Fuller 1962-8-3 9516 Siskiyou Siskiyou Mountains; Slope above Salt Gulch, Horse Creek. 0 Comment
  JEPS42173  Ceanothus prostratus W. L. Jepson 1940-6-23 20015 Siskiyou 2 mi s Andesite 975 Comment
  RSA399820  Ceanothus prostratus H. E. McMinn 1931-6-27 2520 Siskiyou Shasta City. Comment
  SJSU6488  Ceanothus prostratus R. W. Trivelpiece 1972-6-9 103 Siskiyou c. 4 mi E of Grass L 1524 Comment
  SBBG4462  Ceanothus prostratus var. prostratus H. and M. Dearing 1939-7-3 3543 Siskiyou near Weed Comment
  SD249278  Ceanothus sanguineus David Keil, Kathleen Keil 1990-7-28 Siskiyou Marble Mountains, Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  CHSC33390  Ceanothus velutinus John Sawyer 1977-7-6 3020 Siskiyou Open slopes south of Little Duck Lake. 2133 Comment
  UC375372  Ceanothus velutinus Geo. D. Butler 1908-8-3 412 Siskiyou Shackleford Creek Log Lake, Shackleford Creek Comment
  UC455426  Ceanothus velutinus I. J. Condit 1911-7-22 Siskiyou Mt. Shasta Comment
  UC455427  Ceanothus velutinus I. J. Condit 1911-7-5 Siskiyou Mount Bradley near Shasta Retreat; Mount Bradley Comment
  CAS-BOT-BC52841  Ceanothus velutinus var. velutinus A. A. Heller 1905-6-16 8046 Siskiyou Near Sisson Comment
  CHSC3256  Centaurea cyanus Virginia Hagaman 1966-5-14 181 Siskiyou 6 miles south of McConnahue Gulch--side of ra road. Comment
  HSC40224  Centaurea cyanus J. P. Smith 1976-5-22 8791 Siskiyou Near County Dump in Scott Valley between Callahan and Etna 1037 Comment
  CDA36863  Centaurea diffusa D. B. Joley 1976-6-24 5 A Siskiyou Lake Siskiyou. 0 Comment
  CDA38008  Centaurea squarrosa CDFA Staff 1991-1 s.n. Siskiyou Hawkinsville. 0 Comment
  HSC30469  Cephalanthera austiniae Frederick W. Oettinger 1969-8-25 1549 Siskiyou Little N Fork Trail, Salmon Mountains 2012 Comment
  UC1190153  Cephalanthera austiniae Ira L. Wiggins 1955-7-29 13586 Siskiyou slope just e. Thompson Creek 1432 Comment
  CHSC96778  Cerastium dichotomum T. C. Fuller 1962-5-18 8745 Siskiyou Northern California. Siskiyou County. B.M. Long property, Little Shasta Rd, 5 mi E of Montague. Comment
  UC1174945  Cercis occidentalis P. C. Everett and E. K. Balls 1959-10-24 23946 Siskiyou 7 mi sw from Red Bank F.S. Camp (on road from Sawyers Bar to Somesbar) Comment
  RSA120630  Cercocarpus ledifolius G. D. Barbe 1955-8-1 321 Siskiyou E of Craggy lookout on Bolivar. Observed on S side of the ridge from 6400ft-8000ft. None on the N slope - Scott Mtns. 2256 Comment
  RSA59495  Cercocarpus ledifolius E. K. Balls 1950-5-16 14705 Siskiyou Caldwell Caves, Lava Beds National Monument. 1524 Comment
  RSA749206  Cercocarpus ledifolius var. intermontanus K. M. Meyer, A. Townesmith 2007-8-2 183 Siskiyou Shasta-Trinity National forest. 0.1 mi. on Forest Service Rd. 43N21, 12.5 mi on Hwy. 97, east side of road 1218 Comment
  SEINET10685135  Cercocarpus ledifolius var. intermontanus Karen M. Meyer, Andrew Townesmith 2007-8-2 Meyer 183 Siskiyou Shasta-Trinity National Forest. 0.1 mi. on Forest Service Rd. 43N21, 12.5 mi on Hwy. 97, east side of road. 1218 Comment
  HSC42228  Chaenactis suffrutescens J. Mastrogiuseppe 1974-9-2 177 Siskiyou Siskyou/Trinity County line; Red Rock Mtn. 2256 Comment
  JEPS101314  Chaenactis suffrutescens Dean W. Taylor 1999-7-18 17286 Siskiyou Moffett Creek Road 2.8 miles South from junction with Highway 3, opposite confluence Crooked Creek 295 Comment
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Jul 5 2007
  UC173222  Chaenactis suffrutescens Katharine Brandegee 1887-7-1 Siskiyou Edgewood Comment
  CHSC30244  Chamaebatiaria millefolium M. S. Taylor; J. Prouty, E Heinitz. 1980-8-19 3267 B Siskiyou Se side of Little Glass Mt. 1950 Comment
  HSC69036  Chamaecyparis lawsoniana Maralyn A. Renner 1980-8-7 2366 Siskiyou Klamath National Forest, ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  SEINET11052218  Chamaecyparis lawsoniana A. T. Leiser 1968-9-4 s.n. Siskiyou Scott Camp Creek, near Methodist Camp, SW of Castle Lake turnoff. Comment
  RSA624977  Chamaecyparis nootkatensis L. C. Wheeler 1963-8-25 8275 Siskiyou Preston Peak: Summit ridge. 2133 Comment
  RSA124136  Chamaecyparis nootkatensis Al Hobart 1958-8-15 s.n. Siskiyou The Devil s Punch Bowl, 3-4 miles east of Del Norte co. line and 10 miles south of the Oregon-CA state line Comment
  SD46659  Chamaesaracha nana E. K. Balls, L. W. Lenz 1956-6-18 21802 Siskiyou 1.5 mi. e. of McCloud, State Hwy. 89, roadside 1006 Comment
  CHSC66542  Chamerion angustifolium subsp. circumvagum Vernon H. Oswald 1996-7-12 7996 Siskiyou High Cascade Range. Everitt Memorial Hwy. (A10) E of Mt. Shasta city between mileposts 5 and 6. At roadside. 1554 Comment
  HSC19503  Chamerion angustifolium subsp. circumvagum J. O. Sawyer 1969-8-4 1794 Siskiyou Along C.C.C. road 1341 Comment
  CAS-BOT-BC68220  Cheilanthes gracillima Gilbert Muth 1965-8-6 s.n. Siskiyou Trail to backside of Blk. Mt. Comment
  POM210954  Cheilanthes gracillima L. C. Wheeler 1934-8-2 3021 Siskiyou Head Jaynes Canyons 2073 Comment
  HSC43148  Chenopodium album Ken Stillman 1976-8-24 424 Siskiyou Along Klamath River at Williams Point. 366 Comment
  UC637128  Chenopodium pumilio Edward Lee 1934-8-15 1129 Siskiyou summit of Happy Camp to Waldo (OR) road Klamath National Forest, Indian Creek watershed 1615 Comment
  HSC67493  Chimaphila menziesii J. P. Smith, Steve Selva 1970-6-15 3933 Siskiyou Between Forks of Salmon and Cecilville. Comment
  JEPS83881  Chimaphila menziesii Wayne Roderick July 1976 Siskiyou vicinity of Cook & Green Pass; Siskiyou Mts. 1463 Comment
  UCD77531  Chimaphila menziesii Robert E. Preston 2001-6-23 1550 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W ne 1/4 of se 1/4 Section 14 1828 Comment
  CAS-BOT-BC452254  Chimaphila umbellata W. R. Dudley 1899-8-9 s.n. Siskiyou Black Butte Comment
  CAS-BOT-BC452283  Chimaphila umbellata David D. Keck 1938-8-6 4803 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., on road from Waldo to Happy Camp Comment
  CAS-BOT-BC452285  Chimaphila umbellata C. L. Hitchcock; J. S. Martin 1939-7-8 5300 Siskiyou Ca. 15 miles N of Happy Camp on Happy Camp-Takilma Hwy 914 Comment
  HSC30457  Chimaphila umbellata Frederick W. Oettinger 1968-8-7 440 Siskiyou Marble Mtn. Wilderness Area, just N of Tobacco Lake 1890 Comment
  POM146273  Chimaphila umbellata subsp. occidentalis J. B. Feudge 1927-7-22 1728 Siskiyou Trail to Mt. Eddy. 1128 Comment
  RSA237460  Chrysanthemum leucanthemum Frederick W. Oettinger 1968-9-6 742 Siskiyou Bear Meadow' midway between Tom Taylor Cabin and English Peak Summit (as the crow flies). The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  CAS-BOT-BC36378  Chrysolepis chrysophylla Marion Ownbey; Fred G. Meyer 1940-7-7 2213 Siskiyou Cayenne Ridge, Marble Mountain Comment
  HSC36664  Chrysolepis chrysophylla Brent Whiteley 1975-6-28 91 Siskiyou 915 Comment
  HSC8065  Chrysolepis sempervirens Richard Spjut 1968-10-5 168 Siskiyou Along the trail to Sugar Creek Lake in the Salmon Mtns. 1524 Comment
  UC119263  Chrysolepis sempervirens unknown 1895-8-8 Siskiyou Siskiyou Mts. Comment
  UC847773  Chrysolepis sempervirens Lewis S. Rose 1937-7-25 37594 Siskiyou Mt. Shasta City 1158 Comment
  UCD110157  Chrysolepis sempervirens John M. Tucker; L. K. Mann 1963-7-4 3692 Siskiyou Beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. Comment
  RSA476649  Chrysolepis sempervirens M. B. Dunkle 1944-6-25 9031 Siskiyou Siskiyou National Forest. 1677 Comment
  CAS-BOT-BC140656  Chrysothamnus humilis Elmer I. Applegate 1935-8-3 10019 Siskiyou Crater rim of Caldwell Butte, Lava Beds National Monument Comment
  CDA14222  Chrysothamnus nauseosus subsp. albicaulis G. F. Hrusa 1997-9-18 14104 Siskiyou Summit of Pass between Calahan & Gazelle, W of Mountain House. Comment
  RSA768776  Chrysothamnus nauseosus subsp. consimilis L. Ahart, John Dittes 2010-7-30 16970 Siskiyou Shasta Big Springs Ranch, 2.6 air miles northwest of Big Springs Lake, 3.9 air miles southeast of Grenada, 6.3 air miles northeast of Dwinnel Dam. 779 Comment
  POM296750  Chrysothamnus viscidiflorus subsp. viscidiflorus L. S. Rose 1941-8-28 41427 Siskiyou Dorris 1292 Comment
  SEINET3156166  Cicuta occidentalis G. D. Butler 1910-7-15 1788 Siskiyou Uro Fens Creek Comment
  HSC16245  Circaea alpina subsp. pacifica D. E. Anderson 1962-8-5 2314 Siskiyou 3 mi. W of Bartlett, 1 mi. N of Shasta Co. line on Hwy. 89 Comment
  UC454590  Circaea alpina subsp. pacifica I. J. Condit 1909-8-23 Siskiyou Castle Lake near Sisson; Castle Lake 1828 Comment
  HSC81847  Cirsium cymosum Thomas W. Nelson, Jane P. Nelson 1980-7-17 6089 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  CAS-BOT-BC278036  Cirsium cymosum John Thomas Howell 1952-6-14 28336 Siskiyou Near Yreka Comment
  CAS-BOT-BC278038  Cirsium cymosum John Thomas Howell 1952-6-15 28358 Siskiyou Yreka Comment
  CAS-BOT-BC278040  Cirsium cymosum John Thomas Howell 1952-6-15 28358 Siskiyou Yreka Comment
  CAS-BOT-BC278044  Cirsium cymosum Marion Ownbey; S. J. Preece, Jr. 1952-6-25 3347 Siskiyou West of Yreka Comment
  RSA0070596  Cirsium cymosum S. O. Mattoon 1979-5-26 98 Siskiyou Crawford Creek on Eddy Gulch L. O. Road, 2 road miles north of Cecilville, Salmon Mts. 610 Comment
  OBI60937  Cirsium cymosum var. cymosum B. Villegas 1999-6-8 s.n. Siskiyou Yreka, near jctn of Anderson Gade Rd and hwy 263, approx 3 mi N of Yreka at the Jim Sewell property Comment
  UC1211912  Cirsium cymosum var. cymosum Roy L. Taylor 1960-6-12 4445 Siskiyou 1 mi w junction of Hwy 96 and Hwy 99 (n of Yreka); Klamath River Comment
  UC165432  Cirsium cymosum var. cymosum Geo. D. Butler 1910-6-6 1456 Siskiyou Quartz Valley Comment
  CHSC63496  Cirsium douglasii var. breweri Vernon H. Oswald; Lowell Ahart 1994-8-1 6414 Siskiyou Forest Rd. 26 paralleling the South Fork of the Sacramento River, 1.5 mi E of Forest Rd. 40N43, 7.8 mi SW of the dam at Lake Siskiyou. 1341 Comment
  JEPS82110  Cirsium douglasii var. breweri Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7487 Siskiyou 6.2 mi above and sw Callahan (7 mi below and ne of road summit from Cecilville to Callahan) 1341 Comment
  CAS-BOT-BC279891  Cirsium douglasii var. breweri Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Mumbo Basin, Trinity Mts. 1828 Comment
  CDA1325  Cirsium occidentale var. candidissimum T. C. Fuller 1958-6-18 1793 Siskiyou 2 mi. W of town of Klamath River. Roadside Hwy 96 above river. Comment
  HSC79332  Cirsium remotifolium D. H. Norris 1968-7-28 2193 Siskiyou Along Salmon River ca. 1 mi. S of Big Flat 1524 Comment
  HSC92686  Cirsium scariosum Jennifer Whipple 1976-7-24 1559 Siskiyou SW of Dobkins Lake along the drainage into the lake 2287 Comment
  RSA607265  Cirsium scariosum L. C. Wheeler 1935-6-30 3636 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  CDA1590  Cirsium scariosum var. robustum T. C. Fuller 1959-7-9 2738 Siskiyou Hwy 99, 2 mi. S/ Gazelle. 0 Comment
  CAS-BOT-BC228980  Cistanthe umbellata Alice Eastwood 1921-7-28 10873 Siskiyou Medicine Lake Comment
  CAS-BOT-BC228984  Cistanthe umbellata Alice Eastwood 1912-8-30 2016 Siskiyou Mount Eddy Comment
  CAS-BOT-BC228955  Cistanthe umbellata F. D. Douthitt 1923-7-13 3 Siskiyou Klamath National Forest, Dry Lake Mt. 2133 Comment
  OBI6075  Clarkia gracilis subsp. gracilis Carl B. Wolf 1941-7-26 11077 Siskiyou SW end of Little Shasta Valley, 12 mi NE of Weed on US 97at jctn with Rd. to Montague 914 Comment
  CAS-BOT-BC163184  Clarkia lassenensis Elmer I. Applegate 1935-6-6 9348 Siskiyou Indian Well, Lava Beds National Monument Comment
  SEINET7096712  Clarkia purpurea subsp. quadrivulnera A. G. Vestal 1963-6-3 s.n. Siskiyou Dry weedy area among larva boulders north of Mayten. NAD27, 41? deg. 40' 41ao, -122?_ 20' 08ao (converted to WGS84 decimal degrees) UTM Zone 10, 555305mE, 4614022mN. Comment
  CDA23949  Claytonia exigua subsp. exigua F. D. Horn 1978-3-3 Siskiyou Shasta River Canyon near Yreka. 0 Comment
  CAS-BOT-BC451756  Claytonia obovata A. M. Vollmer; L. Beane 1951-5-31 29 Siskiyou Scott Mountain Comment
  SEINET5336363  Claytonia parviflora subsp. parviflora G. Butler 1910-5-8 1305 Siskiyou Damp shaded soil near Yreka Comment
  RSA47998  Claytonia rubra Roxana S. Ferris 1948-6-12 11807 Siskiyou At Mule Creek crossing of Scott Mountain Road. 1524 Comment
  SEINET198900  Claytonia saxosa D. Parker 1947-3-30 Siskiyou Hartstrand Gulch E side of Scott Valley 866 Comment
  CHSC1385  Claytonia sibirica K. Jaekel 1939-7-25 Siskiyou Mt. Shasta. Comment
  CLARK-A1528-7828  Claytonia sibirica John C. Roos 1948-9-1 3982 Siskiyou Etna Comment
  RSA60492  Claytonia sibirica John H. Thomas 1949-6-16 943 Siskiyou 1/4 mi north of Beaver Creek Public Camp, along Beaver Creek; 5 mi north of junction of Beaver Creek and Klamath River; Klamath National Forest. Comment
  CAS-BOT-BC500967  Clintonia uniflora Geo. D. Butler 1910-6-5 1478 Siskiyou Shackleford Creek Comment
  JEPS86076  Collinsia linearis Wayne Roderick 1966-6-26 Siskiyou w of Copper Butte (e along trail to Copper Butte); Cook and Green Pass area Comment
  POM258051  Collinsia linearis C. Leo Hitchcock, J. S. Martin 1939-7-7 5232 Siskiyou Road to Bollan Lake 6 mi. from junction with Takilma-Happy Camp Road. 1768 Comment
  JEPS23293  Collinsia parviflora Rimo Bacigalupi with Arthur and Ruby Van Deventer 1959-7-9 7266 Siskiyou Poker Flat 1536 Comment
  JEPS6165  Collinsia rattanii Geo. D. Butler 1909-4-26 616 Siskiyou Oro Fino Comment
  JEPS84023  Collinsia rattanii L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-15 6295 Siskiyou Indian Creek Rd from Takilma to Happy Camp, just s of state line between Takilma and Happy Camp 1420 Comment
  JEPS84181  Collinsia rattanii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6295 Siskiyou Indian Creek Road from Takilma to Happy Camp (just s of state line) 1420 Comment
  UC672466  Collinsia rattanii H. L. Mason 1929-5-18 5328 Siskiyou land s of Weed (hills along Shasta Creek Canyon); Shasta Creek Canyon Comment
  RSA237555  Collinsia torreyi var. latifolia Frederick W. Oettinger 1969-7-15 1028 Siskiyou South of Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  UC52546  Collomia grandiflora Geo. B. Grant September, 1902 5242 Siskiyou Shasta Springs Mount Shasta 609 Comment
  RSA237937  Collomia grandiflora Frederick W. Oettinger 1968-8-12 489 Siskiyou between lily pond and Tobacco Lake. The Salmon Mountains; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1890 Comment
  HSC45798  Collomia heterophylla J. P. Smith 1976-5-4 8657 Siskiyou On the road to Slater Butte, Klamath National Forest 549 Comment
  UCSB3059  Collomia heterophylla Hardham, Clare 1965-8-20 Siskiyou Granite Trail; near Cudahy lakes; Marble Mts. 1219 Comment
  UC639095  Collomia tinctoria W. Bridge Cooke 1939-8-10 13852 Siskiyou on bottom of creek just below opening of canyon; Mount Shasta, Mud Creek 1676 Comment
  RSA394806  Convolvulus arvensis Edwin Kline 1920-06 s.n. Siskiyou Siskiyou Mts. Comment
  CAS-BOT-BC133723  Corallorhiza Doris K. Kildale 1928-7-4 5462 Siskiyou Field redacted by CAS, contact the data manager for more information Comment
  HSC46114  Corallorhiza maculata J. P. Smith, Steve Selva 1970-6-16 3991 Siskiyou 6 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1280 Comment
  RSA150574  Corallorhiza maculata Lee W. Lenz 1961-6-21 24358 Siskiyou Road between Aetna and Somes Bar Comment
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Jun 10 2012
  UC4415  Corallorhiza maculata Milo S. Baker 1893-7-15 Siskiyou 6 mi below Bartles; McCloud River Comment
  UC63990  Corallorhiza maculata Geo. B. Grant September, 1902 5155 Siskiyou Mount Shasta 1219 Comment
  RSA150571  Corallorhiza maculata Lee W. Lenz 1961-6-22 24360 Siskiyou Siskiyou County: 15 miles N of Happy Camp, road to OBrien Comment
  UCD123142  Cordylanthus tenuis subsp. pallescens Barbara L. Wilson; Richard E. Brainerd 2010-8-9 16280 Siskiyou road to trailhead for Black Butte trail. 1353 Comment
  CHSC105584  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-3 16191 Siskiyou Shasta-Trinity National Forest, along road 40N26 west of Lake Siskiyou, on north side of road; Lat. and Long. indicated +/- 52 feet. 1198 Comment
  CHSC105591  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-4 16210 Siskiyou Old Stagecoach Road, about 0.5 mile north of Forest Service road 41N26, the Eddy Creek Road, on both sides of the road. Label says +/- 33 feet of Lat. and Long. shown. 995 Comment
  HSC101187  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson, Richard E. Brainerd 2010-8-6 16233 Siskiyou Ney Springs Road east of Lake Siskiyou; along road, starting 0.6 miles east of road 20M020 and extending at least 1.2 miles. 933 Comment
  HSC77490  Cordylanthus tenuis subsp. viscidus L. P. Janeway 1983-8-3 483 Siskiyou Near W Branch USFS Station 671 Comment
  UC412917  Cornus glabrata Annie M. Alexander and Louise Kellogg 1911-6-12 118 Siskiyou 6 mi. n.w. Callahan (Scott Valley); Scott Valley Comment
  CAS-BOT-BC212061  Cornus nuttallii Alice Eastwood 1922-10-18 115 Siskiyou Shasta Springs Comment
  RSA240100  Cornus nuttallii Frederick W. Oettinger 1969-8-12 1336 Siskiyou Near theCedars homestead, 2 miles up the main North Fork trail from Mule Bridge enroute to English Peak - shortly before entering the Wilderness area. The Salmon Mountains. High Lake Basins in the vicinity of English Peak., Marble Mountain Wilderness Area. 960 Comment
  UC1584283  Cornus nuttallii Julie Kierstead 1990-4-18 90 -13 Siskiyou F.S. Rd. #39N55 along Dead Horse Canyon; Shasta-Trinity Nat'l Forest, McCloud R.D., Dead Horse Canyon 1432 Comment
  UC61181  Cornus nuttallii W. A. Setchell, C. C. Dobie 1902-6-18 Siskiyou Mt. Shasta, Sisson Comment
  UCR198253  Cornus nuttallii Dean Kelch 2007-7-25 07- 501 Siskiyou Indian Creek Road, just south of Greyback Summit 1304 Comment
  CAS-BOT-BC210393  Cornus sericea Doris K. Kildale 1929-5-31 9127 Siskiyou Cecilville, head of South Fork of Salmon River Comment
  CAS-BOT-BC210395  Cornus sericea Doris K. Kildale 1929-7-20 8747 Siskiyou Elk Lick, south fork Indian Creek 1219 Comment
  CAS-BOT-BC210416  Cornus sericea Alice Eastwood 1912-7-21 1272 Siskiyou Sisson Comment
  CAS-BOT-BC210418  Cornus sericea Elmer I. Applegate 1923-9-7 3947 Siskiyou Doggett Creek, Klamath River Comment
  CHSC451  Cornus sericea subsp. sericea M. Yoder 1941-7-21 Siskiyou Castle Lake. 1981 Comment
  JEPS50180  Cornus sericea subsp. sericea Geo. D. Butler 1908-8-21 86 Siskiyou Etna Creek 1219 Comment
  SBBG59866  Cornus sessilis A. Lefebure 1941-10-19 Siskiyou E Fork, Stuart Fork, Trinity River Comment
  RSA184703  Cornus stolonifera Gilbert Muth 1966-6-24 444 Siskiyou Marble Valley along creek, Marble Mountains. 1793 Comment
  RSA68928  Cornus stolonifera A. E. Culbertson 1943-7-12 30 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall, 14 miles SW of Mt Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  CAS-BOT-BC180200  Corylus cornuta subsp. californica Alice Eastwood 1923-5-29 12005 Siskiyou Cantara Comment
  CAS-BOT-BC180204  Corylus cornuta subsp. californica A. A. Heller 1915-7-18 12128 Siskiyou Metaclf's ranch, NE base of Mt. Eddy 1371 Comment
  CDA39610  Corylus cornuta var. californica T. C. Fuller, D. H. Shaw 1974-9-24 20037 Siskiyou Pacific Crest Trail, summit of the Siskiyou Mountains, east of White Mountain. 0 Comment
  HSC101716  Crataegus gaylussacia J. P. Smith, J. O. Sawyer 2011-6-25 13266 Siskiyou Along the Oregon Stage Road, south of the bridge with its intersection with Callahan-Gazelle Road. 823 Comment
  RSA96961  Crataegus suksdorfii Percy C. Everett, E. K. Balls 1954-10-12 20275 Siskiyou along Klamath River, Hwy 96, 5.8 miles NW from Hamburg. 366 Comment
  JEPS105110  Crepis acuminata Dean W. Taylor 1993-7-30 13988 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 miles east of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  UC581200  Crepis occidentalis E. B. Babcock and G. L. Stebbins 1936-6-11 1901 Siskiyou about 7 mi sw Yreka (s of hwy from Yreka to Fort Jones); Forest House Mt. 1363 Comment
  UC581299  Crepis occidentalis E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1885 Siskiyou flat about 2 mi s Yreka 810 Comment
  UC91844  Crepis occidentalis T. S. Brandegee Siskiyou Ager Comment
  UC796545  Crepis occidentalis subsp. conjuncta Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11712 Siskiyou Schoolhouse Hill Plowmans Valley (Noyes Valley), east fork of Scott River Comment
  UC1408880  Crepis occidentalis subsp. conjuncta Frederick W. Oettinger 1969-7-15 1031 Siskiyou se-facing slope between English Peak and Bear Meadow (w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1996 Comment
  CAS-BOT-BC290883  Crepis pleurocarpa H. E. Brown 1897-6-1 382 Siskiyou Near Sisson 1083 Comment
  UC581271  Crepis pleurocarpa G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2434 Siskiyou on creek 1 mi below Stewart Springs; Park's Creek 1120 Comment
  HSC29335  Cryptantha affinis Frederick W. Oettinger 1969-9-1 1581 Siskiyou Marble Mtn. Wilderness Area, inlet area to Dry Lake 2027 Comment
  POM72149  Cryptantha milobakeri Geo. D. Butler 1909-5-2 733 Siskiyou Yreka. Comment
  SD76175  Cryptogramma cascadensis Helen V. Witham 1969-10-9 611 Siskiyou Panther Meadow, Mt. Shasta 2400 Comment
  NY16608  Cupressus bakeri C. B. Wolf 1934-10-8 6166 Siskiyou Modoc Lava Beds, 1 mile northeast of Timbered Crater on Old Stage Road from Dana to Little Hot Springs Valley 1219.2 Comment
  RSA22764  Cupressus bakeri O. V. Matthews 1939-7-13 34 Siskiyou NW slope of Goose Nest, E of Yreka. 1524 Comment
  UC650670  Cupressus bakeri Oliver V. Matthews 1939-7-3 19 Siskiyou Sullivan Mine Grove Cook and Green Region 1066 Comment
  UC650674  Cupressus bakeri Oliver V. Matthews 1939-7-18 36 Siskiyou ne Goose Nest Grove Goose Nest Region 1524 Comment
  SEINET10899757  Cupressus bakeri subsp. matthewsii Carl B. Wolf 1944-10-29 Wolf 5051 Siskiyou North West side Goose Nest Mountain. About 1 mi due South of old Smith sawmill on Montague to Mt. Hebron Road. Arid Transition:- Incense cedar, yellow Pine. Sun. Slopes. Volcanic Rock. 1675 Comment
  CHSC109724  Cupressus macnabiana Louis C. Wheeler 1936-4-14 3417 Siskiyou Siskiyou Mts., West Fork Seiad Creek. 1158 Comment
  RSA666423  Cuscuta occidentalis Barbara Ertter 1987-7-26 7326 Siskiyou 2.2 mi N of Scott Mt. summit on Hwy 3, at road junction.Half way down Old Priest Grade between Big Oak Flat and junction of Highways 120 and 49, ca. 35 airmiles E of Modesto. 1372 Comment
  UC879584  Cuscuta suksdorfii Louis C. Wheeler 1934-7-31 3011 Siskiyou 1 mi e Dry Lake Lookout; Siskiyou Mts. 1828 Comment
  NY336647  Cuscuta suksdorfii var. subpedicellata L. C. Wheeler 1934-8-21 3192 Siskiyou Head of East Fork Horse Creek, Siskiyou Mountains, Mt. Diablo Mer. 1981.2 Comment
  UC164154  Cynoglossum occidentale Geo. D. Butler 1910-6-4 1497 Siskiyou Shackelford Creek Comment
  POM211264  Cyperus bipartitus L. C. Wheeler 1934-9-15 3259 Siskiyou Walker, Klamath River, Siskiyou Mts. (Mt. Diablo Mer.) 518 Comment
  CHSC71508  Cyperus squarrosus Vernon H. Oswald; Lowell Ahart 1998-7-21 9338 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. 1402 Comment
  UC183885  Cyperus squarrosus Geo. D. Butler 1909-9-12 867 Siskiyou Oro Fino Comment
  CAS-BOT-BC114199  Cyperus strigosus Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar. Comment
  UC13537  Cypripedium californicum W. C. Blasdale July, 1899 1077 Siskiyou Siskiyou Mountains Comment
  JEPS52317  Cypripedium fasciculatum Wayne Roderick 1963-6-12 Siskiyou about 15 road mi n Seiad Valley (n slope on ridge to e of pass); Siskiyou Mountains, Cook and Green Pass 1524 Comment
  HSC26114  Cystopteris fragilis J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5682 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  UCD78123  Cystopteris fragilis Robert E. Preston 2001-6-23 1584 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake. 1889 Comment
  RSA692794  Cystopteris fragilis L. C. Wheeler 1934-7-5 2879 Siskiyou Deer creek, Serling Mountain Comment
  CAS-BOT-BC192253  Danthonia californica Louis C. Wheeler 1934-7-2 2842 Siskiyou Klamath National Forest, Little Smoky Cr. 1280 Comment
  CAS-BOT-BC192255  Danthonia californica A. A. Heller 1915-7-18 12113 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1249 Comment
  HSC34136  Danthonia californica J. O. Sawyer 1969-8-5 1780 Siskiyou W of Little Duck Lake 2073 Comment
  CAS-BOT-BC76227  Darlingtonia californica J. H. Miller 1886-7-1 s.n. Siskiyou Mount Shasta. Comment
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Nov 6 2019
  CHSC30182  Darlingtonia californica M. S. Taylor 1980-6-23 2942 Siskiyou On e side of 39N45 in Soapstone Gulch, ca. 2 mi s ... Field redacted by CHSC, contact the data manager for more information 1676 Comment
  RSA240079  Darmera peltata Frederick W. Oettinger 1969-8-29 1561 Siskiyou Main N Fork Trail betw 4th and 5th river crossing. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. Comment
  HSC58894  Dasiphora fruticosa Marvin Butler 1971-8-2 257 Siskiyou Near El Capitan, close to the town of Cave Junction 2081 Comment
  HSC76671  Dasiphora fruticosa K. T. Stillman 1976-7-22 285 Siskiyou Marble Mtn. Wilderness Area Comment
  RSA714940  Delphinium depauperatum M. E. Fishbein, Lane Greer 2006-8-3 5883 Siskiyou Paynes Creek, at road crossing below Paynes Springs, 2 miles SE of Medicine Lake. 1975 Comment
  CAS-BOT-BC116174  Delphinium nuttallianum Ira L. Wiggins 1955-7-27 13544 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC76677  Delphinium nuttallianum K. T. Stillman 1976-7-23 301 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  SBBG30506  Delphinium nuttallianum D. Myrick 1968-6-24 2000 Siskiyou Mountain Meadow Ranch, Big Flat; Coffee Crk 1524 Comment
  UC467719  Delphinium nuttallianum Annie M. Alexander and Louise Kellogg 1911-6-26 193 Siskiyou Jackson L. 1798 Comment
  CAS-BOT-BC116170  Delphinium nuttallianum K. T. Stillman 1976-6-25 57 Siskiyou Scott Bar, Marble Mountain Wilderness Area. Comment
  HSC34137  Delphinium nuttallianum J. O. Sawyer 1969-7-1 963 Siskiyou NE facing lower slope above Paynes Lake Creek 1829 Comment
  HSC39219  Delphinium nuttallianum J. O. Sawyer 1969-7-2 1016 Siskiyou Near summit above Lipstick Lake 2226 Comment
  HSC44503  Delphinium nuttallianum K. Irwin 1977-5-21 373 Siskiyou Hayden, 1 mi. W of Scott Mtn., E of Rd. 40N08 Comment
  JEPS121611  Deschampsia cespitosa subsp. cespitosa Kendra Sikes 2011-9-13 Siskiyou Bogbean Fen, Caldwell Lakes Basin, headwaters of Parks Creek, east slope of China Mountain. Gently sloping wet meadow, W aspect, over gabbro. China Mountain quadrangle. CLB_1 #B Comment
  RSA184788  Deschampsia danthonioides Gilbert Muth 1966-7-19 430 Siskiyou Marble Gap Trail, along first bluff, Marble Mountains. 1829 Comment
  CAS-BOT-BC201939  Deschampsia elongata Alice Eastwood 1921-7-24 10781 Siskiyou Castle Lake Comment
  CAS-BOT-BC201941  Deschampsia elongata Melissa A. Berry 1957-7-3 s.n. Siskiyou Taylor Creek CCC Road, East Fork of the South Fork of the Salmon River 762 Comment
  HSC30538  Deschampsia elongata Frederick W. Oettinger 1969-8-16 1396 Siskiyou Marble Mtn. Wilderness Area, Upper English Lake, SW of Wiregrass Meadow. 1707 Comment
  SEINET10524232  Deschampsia elongata Lawrence P. Janeway 1983-1 Janeway 662 Siskiyou Preston Peak Quad (15') T18N R6E S20 SW1/4. Siskiyou Mountains: at Poker Flat, a meadow in a fir forest. Along dirt road in dry southwest part of the meadow. 1524 Comment
  CHSC93557  Descurainia incisa subsp. filipes Lowell Ahart; John Dittes 2005-6-10 12062 Siskiyou Near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  HSC76699  Descurainia incisa subsp. incisa K. T. Stillman 1976-8-7 217 Siskiyou Marble Mtn. Wilderness Area, Elk Valley 1829 Comment
  SDSU2980  Dianthus armeria subsp. armeria D. F. Howe 1977-7-2 4981 Siskiyou Scott River resort area. 610 Comment
  SBBG2376  Dicentra pauciflora H. and M. Dearing 1938-6-28 2186 Siskiyou Mt Shasta 1828 Comment
  CAS-BOT-BC402549  Dicentra pauciflora Philip A. Munz 1952-7-2 17914 Siskiyou Rd. to Baldy Mt., ca. 6 air-line miles w. of Happy Camp, Siskiyou Mts. 1554 Comment
  HSC46240  Dichelostemma congestum Jennifer Whipple 1978-6-5 2346 Siskiyou Weston Gulch in Scott Valley 854 Comment
  POM109856  Dichelostemma ida-maia Geo D. Butler 1909-7-15 s.n. Siskiyou Russian Creek. 1829 Comment
  RSA120196  Dichelostemma multiflorum S. S. Tillett 1956-7-11 701 Siskiyou just N of campground, Scott Mtn divide, Siskiyou - Trinity County line, 8 mile SE of Callahan. 1631 Comment
  UC375190  Dichelostemma multiflorum Geo. D. Butler 1909-5-15 789 Siskiyou Shasta Rim hills Shasta Rim Comment
  SEINET7839015 Image available Dieteria canescens G. D. Butler 1910-9-11 1869 Siskiyou Weed Comment
  CAS-BOT-BC291010  Dieteria canescens var. shastensis A. A. Heller 1914-8-26 11719 Siskiyou Weed 1524 Comment
  UC61649  Dieteria canescens var. shastensis Geo. B. Grant September 1902 5119 Siskiyou Horse Camp, Mt. Shasta Mt. Shasta 2438 Comment
  SEINET5709532 Image available Dieteria canescens var. shastensis Lowell E. Urbatsch, D. Clark 1974-1 1509 .5 Siskiyou Along rd to Ski Bowl on Mt. Shasta.; Mount Shasta 1676 Comment
  CAS-BOT-BC153454  Diplacus layneae Alice Eastwood 1912-7-17 1271 Siskiyou Sisson Comment
  UCD137488  Dipsacus fullonum P. B. Schultz 1967-7-12 86 Siskiyou in town of Mt. Shasta across street from hospital. 1097 Comment
  RSA520565  Disporum hookeri var. hookeri Michael A. Hanson 1990-5-22 82 Siskiyou On Indian Creek Road, 14.3 miles (23 km) NW of the intersection of Indian Creek Road and Hwy 96 (Happy Camp). Comment
  UCD77606  Dodecatheon alpinum Robert E. Preston 2001-6-23 1609 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 1965 Comment
  HSC29234  Dodecatheon jeffreyi Frederick W. Oettinger 1969-7-15 1032 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: on 'Shasta Ridge' between Diamond Lake and English Peak 2073 Comment
  HSC99983  Downingia montana Thomas W. Nelson, & Sydney Carothers 2005-7-17 9384 Siskiyou Along the W side of Hwy. 3 at the junction of F. S. Rd. 40N43. 1220 Comment
  JEPS125853  Downingia yina Dean W. Taylor 1996-6-24 15739 Siskiyou Klamath River canyon near Oregon State line Comment
  HSC77005  Draba albertina K. T. Stillman 1976-6-25 84 Siskiyou Marble Mtn. Wilderness Area, N side of Elk Valley. 1799 Comment
  CAS-BOT-BC41755  Draba howellii John Thomas Howell 1937-7-24 13417 Siskiyou Salmon-Trinity Alps. Caribou Basin. 2286 Comment
  JEPS53500  Draba nemorosa Geo. D. Butler 1910-4-10 1162 Siskiyou near Yreka Comment
  SEINET5342823  Draba nemorosa G. Butler 1910-4-10 1162 Siskiyou Dry thickets near Yreka. Comment
  SEINET4326819 Image available Draba verna Louis C. Wheeler 1935-4-18 3430 Siskiyou Siskiyou Mountains, Greenhorn Creek 1006 Comment
  CAS-BOT-BC41414  Draba verna George Dexter Butler 1910-3-24 1143 Siskiyou Shasta River hills. Comment
  UCD168827  Drosera rotundifolia Barry Rice 2015-9-6 BR 150902 Siskiyou East of Caldwell Fen. 2025 Comment
  HSC18936  Drymocallis glandulosa J. O. Sawyer 1969-7-18 1364 Siskiyou E of Waterdog Lake 2012 Comment
  HSC61836  Drymocallis glandulosa Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC77057  Drymocallis glandulosa K. T. Stillman 1976-8-7 189 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  SBBG30527  Drymocallis glandulosa var. glandulosa D. Myrick 1968-6-25 2019 Siskiyou Mountain Meadow Ranch, Big Flat; Coffee Crk 1524 Comment
  RSA50232  Drymocallis glandulosa var. glandulosa E. K. Balls 1949-7-9 13940 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. 1006 Comment
  CAS-BOT-BC159291  Drymocallis lactea var. lactea Gilbert Muth 1966-7-31 470 Siskiyou North side of Black Mountain, Marble Mts. 1981 Comment
  HSC18762  Drymocallis pseudorupestris var. pseudorupestris R. C. Wunner 1965-7-9 354 Siskiyou Lava Beds NM, Black Crater Trail 100 yds. from Hardin Butte Jct. 1341 Comment
  JEPS49934  Dudleya cymosa subsp. cymosa W. S. Kleaver 1921-1 Siskiyou Yreka Comment
  HSC41130  Echinochloa crus-galli J. P. Smith, Steve Selva 1970-7-17 4423 Siskiyou Along Klamath River Comment
  UC1265386  Eleocharis bella Frederick W. Oettinger 1969-8-15 1387 Siskiyou vicinity of English Peak (inlet to Upper English Lake); Salmon Mountains, Western Siskiyou County, Marble Mountain W 1767 Comment
  HSC91332  Eleocharis decumbens Jennifer Whipple 1978-10-6 2433 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC1265457  Eleocharis suksdorfiana Frederick W. Oettinger 1969-8-19 1453 Siskiyou ridge between David Mountain and Abbotts Lake Basin Salmon Mountains, Marble Mountain Wilderness Area (high lakes basins in the vicinity of English Peak) 1905 Comment
  CAS-BOT-BC112014  Eleocharis suksdorfiana Henry Knut[e] Svenson 1938-9-8 11664 Siskiyou Squaw Creek Meadows, Hudsonian, Openings in the meadows. Comment
  POM359907  Elymus X hansenii M. B. Dunkle 1945-7-11 9234 Siskiyou Klamath National Forest; Marble Mts. 1829 Comment
  CAS-BOT-BC227132  Elymus X hansenii Doris K. Kildale 1928-7-4 5514 Siskiyou Summit of divide between Sawyers Bar & Etna Comment
  CAS-BOT-BC221831  Elymus canadensis Alice Eastwood 1921-7-28 10949 Siskiyou Medicine Lake Comment
  UCR143506  Elymus caput-medusae L. C. Wheeler 1935-6-4 3546 Siskiyou Grenada, Shasta Valley 793 Comment
  CHSC61569  Elymus elymoides subsp. elymoides L. P. Janeway 1983-8-26 605 Siskiyou Siskiyou Mountains; at Poker Flat, meadow. Along the road on the north side of the meadow. 1524 Comment
  HSC41817  Elymus elymoides var. elymoides Robert Wharton 1977-8-20 Siskiyou Along E slope of Mt. Shasta at Wintun Glacier along ridge between Ash & Brewer Creeks 3354 Comment
  HSC76951  Elymus elymoides var. elymoides K. T. Stillman 1976-7-23 304 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  HSC69214  Elymus glaucus Maralyn A. Renner 1980-7-24 2086 Siskiyou Lily Pad Lake 1768 Comment
  HSC9700  Elymus glaucus L. C. Wheeler 1934-8-14 3143 Siskiyou Siskiyou Mtn., Mt. Diablo Mer., east end of White Mtn. 1768 Comment
  CAS-BOT-BC206613  Elymus glaucus subsp. glaucus H. A. Thomas; J. H. Thomas 1954-7-27 4550 Siskiyou About 6 miles SE of Cecilville, south side of South Fork of Salmon River in vicinity of Blind Horse Creek and area 1 mile to SE, Salmon-Trinity Mts. 975 Comment
  CAS-BOT-BC206615  Elymus glaucus subsp. glaucus Alice Eastwood 1912-7-17 1094 Siskiyou McCloud Comment
  HSC103035  Elymus multisetus J. P. Smith 2014-6-7 13893 Siskiyou Etna Comment
  HSC91443  Elymus spicatus Jennifer Whipple 1977-8-6 2220 Siskiyou Dobkins Lake drainage on E facing slope above Dobkins Lake 2256 Comment
  HSC102715  Elymus stebbinsii J. P. Smith 2013-6-18 13748 Siskiyou Along Copco Road west of its junction with Age Road. 650 Comment
  JEPS107657  Elytrigia intermedia subsp. barbulata Lowell Ahart, John Dittes 2005-6-10 12121 Siskiyou North side of the corral, end of Salvadori Road, Nelson Ranch, about 1 1/4 miles (air) south of Highway 99/97 Cutoff, about 5 1/4 miles (air) east-southeast of Grenada 785 Comment
  CHSC88404  Elytrigia repens Jenny Marr 1993-7-1 163 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA50185  Epilobium angustifolium var. macrophyllum E. K. Balls 1949-7-8 13922 Siskiyou Road from Scott Mountain to Callahan, southern Siskiyou county. 1372 Comment
  CAS-BOT-BC166836  Epilobium canum subsp. latifolium Doris K. Kildale 1925-9-7 1303 Siskiyou Mouth of Dillon Creek on Klamath River Comment
  CHSC114077  Epilobium ciliatum Kendra Sikes 2011-8-23 FC 1 -1 Siskiyou Headwaters of Fawn Creek, east slope of the Eddys; UTM Zone 10N, 541673E, 4564801N. 1850 Comment
  HSC19499  Epilobium ciliatum subsp. ciliatum J. O. Sawyer 1969-7-23 1165 Siskiyou Near Horse Range Creek 1341 Comment
  HSC208  Epilobium ciliatum subsp. ciliatum William J. Ferlatte 1966-8-2 226 Siskiyou Big Flat, between campground and S fork of the Salmon River 1524 Comment
  POM258979  Epilobium ciliatum subsp. glandulosum W. Bridge Cooke 1940-8-2 15394 Siskiyou Bear Springs, Mount Shasta 1524 Comment
  HSC68572  Epilobium glaberrimum Maralyn A. Renner 1980-6-23 696 Siskiyou W Fork Seiad Creek 878 Comment
  HSC96312  Epilobium glaberrimum subsp. fastigiatum Gordon Leppig 1998-8-14 1019 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  HSC92082  Epilobium glaberrimum subsp. fastigiatum Jennifer Whipple 1976-7-4 1467 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  HSC92786  Epilobium hornemannii subsp. hornemannii Jennifer Whipple 1977-7-21 2019 Siskiyou Near Durney Lake 2073 Comment
  POM251086  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1938-7-15 11257 Siskiyou Wagon Camp spring, Mt. Shasta. 1738 Comment
  POM259601  Epilobium lactiflorum J. T. Howell 1939-8-2 14868 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  CAS-BOT-BC171858  Epilobium septentrionale Maxine Wilkes 1940-8-20 s.n. Siskiyou Cliff Lake, Marble Mts. Comment
  HSC92071  Epilobium siskiyouense Jennifer Whipple 1976-6-15 1487 Siskiyou S face of Mount Eddy, draining into the N Fork of the Sacramento River 2378 Comment
  CAS-BOT-BC57805  Equisetum laevigatum D. E. Breedlove 1962-6-10 3333 Siskiyou On the n. bank of the Klamath River at its junction with Goff Creek, 4.5 mi. w. of Seiad. 411 Comment
  CAS-BOT-BC57235  Equisetum laevigatum Alice Eastwood 1923-5-22 11885 Siskiyou Sisson Comment
  HSC27219  Eragrostis cilianensis J. P. Smith, J. O. Sawyer 1971-9-18 4792 Siskiyou Hwy. 3 between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  JEPS45874  Eragrostis mexicana subsp. virescens Louis C. Wheeler 1934-10-6 3314 Siskiyou Siskiyou Mts., Oak Knoll Ranger Station, Klamath R. 670 Comment
  SEINET10831618  Eragrostis mexicana subsp. virescens Henry M. Pollard 1956-10-7 Pollard s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar. Comment
  HSC29469  Eremogone congesta var. congesta Frederick W. Oettinger 1969-9-3 1621 Siskiyou Marble Mtn. Wilderness Area, N side of Crapo ridge by trail crossing 2134 Comment
  CAS-BOT-BC481931  Eremogone congesta var. crassula Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  CAS-BOT-BC286701  Ericameria bloomeri Alice Eastwood 1921-7-29 10971 Siskiyou Medicine Lake Comment
  JEPS24626  Ericameria bloomeri Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6779 Siskiyou near beginning of road to Wagon Camp (just off Everitt Memorial Highway, lower slopes of Mt. Shasta); Mt. Shasta 1737 Comment
  SEINET5727124 Image available Ericameria bloomeri Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7707 Siskiyou Mt. Shasta City. Collected along Road 89, E of Mt. Shasta City.; Mt. Shasta City 1338 Comment
  UC86517  Ericameria bloomeri J. D. Hooker and A. Gray 1877-1 Siskiyou n base Shasta Comment
  RSA237453  Ericameria greenei Frederick W. Oettinger 1967-8-24 321 Siskiyou Near lookout, along trail on west slope of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  CAS-BOT-BC299467  Ericameria nauseosa var. speciosa Louis C. Wheeler 1934-8-26 3223 Siskiyou Trapper Cr., Siskiyou Mts. 1859 Comment
  SEINET8079190 Image available Ericameria nauseosa var. speciosa Unknown 1919-10-3 s.n. Siskiyou Near Yreka Hills Comment
  UC725955  Ericameria parryi var. latior A. A. Heller 1925-7-13 13898 Siskiyou on highway near College Camp Comment
  JEPS41575  Erigeron aliceae W. L. Jepson 1937-7-30 18567 Siskiyou headwaters Indian Creek; Siskiyou Mts., , Poker Flat 1584 Comment
  POM253603  Erigeron aliceae C. L. Hitchcock, J. S. Martin 1939-7-6 5202 Siskiyou Siskiyou Mts., 2 miles within California boundary on Takilma-Happy Camp Road 1555 Comment
  HSC19551  Erigeron cervinus J. O. Sawyer 1969-8-3 1778 Siskiyou Near Little Duck Lake 2073 Comment
  RSA238777  Erigeron cervinus Frederick W. Oettinger 1968-8-23 608 Siskiyou On 'Shasta Ridge' where vernal snow melt waters flow over this face, SE of Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  HSC72365  Erigeron compositus J. P. Smith, Linda M. Barker, J. Cole, Jennifer Whipple 1976-7-28 8957 Siskiyou Sikiyou-Trinity county line, summit of Mt. Eddy 2752 Comment
  UC682094  Erigeron compositus G. L. Stebbins Jr. with A. A. Beetle 1942-5-30 3254 Siskiyou 6 mi w Gazelle 1005 Comment
  CAS-BOT-BC300474  Erigeron filifolius A. A. Heller 1938-7-12 15255 Siskiyou Near the western base of Deer Mountain 16 miles northeast of Weed on Highway #97 Comment
  CAS-BOT-BC300862  Erigeron glacialis var. glacialis John Thomas Howell 1937-7-25 13466 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC19477  Erigeron glacialis var. glacialis J. O. Sawyer 1969-9-12 2013 Siskiyou Hanging valley N of Wildcat Peak 2012 Comment
  HSC59901  Erigeron glacialis var. glacialis D. L. Goforth 1979-7-19 261 Siskiyou Trinity Alps Wilderness Area, Caribou Lakes Basin, at Upper Lake 2134 Comment
  JEPS80508  Erigeron glacialis var. hirsutus Gilbert Muth 1966-7-24 446 Siskiyou Marble Mtn Wilderness area Marble Valley 1792 Comment
  CAS-BOT-BC295390  Erigeron inornatus L. E. Smith 1913-7-24 490 Siskiyou McCloud Comment
  CAS-BOT-BC295394  Erigeron inornatus Copeland 1903-7-3 3531 Siskiyou Klamathon Comment
  UC163922  Erigeron inornatus var. inornatus Geo. D. Butler 1908-7-20 327 Siskiyou near Yreka (head of Long Gulch); Long Gulch Comment
  OBI55433  Erigeron inornatus var. inornatus David J. Keil 1992-7-20 23492 Siskiyou Klamath NF W of Ft. Jones. Along Forest Rd 44N45, 2 mi S of Scott river Rd 100 Comment
  JEPS89687  Erigeron nivalis Dean Wm. Taylor, Rexford E. Palmer, Glenn L. Clifton 1987-8-9 9267 Siskiyou Medicine Lake Area, on s wall of Alcohol Crater, extreme northeastern portion of county Alcohol Crater; Medicine Lake Area, Alcohol Crater 2072 Comment
  RSA238717  Erigeron peregrinus subsp. callianthemus Frederick W. Oettinger 1969-9-2 1597 Siskiyou NNE side of English Peak 2165 Comment
  HSC39755  Erigeron petrophilus var. viscidulus J. O. Sawyer 1969-8-1 1636 Siskiyou SE facing slope above Duck Lake Creek 1951 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-BC300089  Erigeron philadelphicus David D. Keck 1938-8-7 4849 Siskiyou 1 mi. N. of Schmitt Mill, road betw. Gazelle and Callahan. Scott Mts. 1465 Comment
  UC31542  Erigeron philadelphicus var. philadelphicus T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC455839  Erigeron philadelphicus var. philadelphicus I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  JEPS41369  Erigeron philadelphicus var. philadelphicus Geo. D. Butler 1908-8-21 325 Siskiyou Etra Creek 1158 Comment
  RSA153440  Erigeron strigosus Francia Chisaki, Helen Sharsmith 1960-8-20 4739 Siskiyou On Wildcat Canyon Road ca. 4 miles west of Callahan 1067 Comment
  UC1212588  Erigeron strigosus var. septentrionalis Francia Chisaki and Helen Sharsmith 1960-8-20 4739 Siskiyou on Wildcat Creek road ca 4 mi w Callahan; Inner North Coast Ranges 1066 Comment
  CAS-BOT-BC224143  Eriodictyon californicum Wm. Bridge Cooke 1940-6-20 15186 Siskiyou Along the Pacific Highway in the Klamath Gorge Comment
  CAS-BOT-BC224145  Eriodictyon californicum W. B. Cooke; V. G. Cooke 1970-7-22 42698 Siskiyou 7 mi. ne. of Weed, along US-97, Mt. Shasta Comment
  UC1324595  Eriogonum baileyi var. baileyi W. B. and V. G. Cooke 1966-7-16 37216 Siskiyou along old logging road above Bolam Station; Mt. Shasta 1524 Comment
  HSC19476  Eriogonum compositum var. compositum J. O. Sawyer 1969-7-8 1094 Siskiyou SW slope above Music Creek 2360 Comment
  HSC24104  Eriogonum compositum var. compositum J. O. Sawyer 1970-7-15 2352 Siskiyou Above Bear Lake 1585 Comment
  HSC77564  Eriogonum compositum var. compositum L. P. Janeway 1983-9-11 661 Siskiyou Poker Flat 1524 Comment
  CAS-BOT-BC250072  Eriogonum compositum var. compositum Louise A. Boyd; Katherine Donahoe 1923-5-1 s.n. Siskiyou Near Yreka Comment
  HSC19482  Eriogonum diclinum J. O. Sawyer 1969-6-2 1008 Siskiyou Summit above Albert Lake 2256 Comment
  RSA739627  Eriogonum diclinum L. P. Janeway 2008-7-24 9479 a Siskiyou Klamath Ranges, Siskiyou Mtns, crest of the Mtn 2.1 air km NE of Condrey Mtn. 2115 Comment
  UC722838  Eriogonum douglasii var. meridionale C. L. Hitchcock, J. S. Martin 1939-7-8 5304 Siskiyou n side of Black Mt. Black Mt. 2072 Comment
  UC1198072  Eriogonum elatum Joseph P. Tracy 1949-9-16 18561 Siskiyou 1 mi e Etna; Scott Valley 883 Comment
  UC163808  Eriogonum elatum var. villosum Geo. D. Butler 1910-7-29 1797 Siskiyou near Yreka Comment
  UC164079  Eriogonum elatum var. villosum Geo. D. Butler 1910-6-26 1606 Siskiyou near Yreka; ; near Yreka, Siskiyou Co. Comment
  HSC66242  Eriogonum hirtellum Maralyn A. Renner 1980-8-7 2415 Siskiyou Ridge S of Preston Peak 1951 Comment
  CAS-BOT-BC261229  Eriogonum hirtiflorum W. B. Cooke; V. G. Cooke 1966-7-16 37214 Siskiyou Above Bolam Station, Mt. Shasta 1524 Comment
  HSC54724  Eriogonum lobbii G. L. Clifton, Griswold 1979-7-26 10120 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  RSA237798  Eriogonum lobbii var. lobbii Frederick W. Oettinger 1968-8-5 407 Siskiyou Ridge between English Peak and Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  HSC43459  Eriogonum marifolium Jennifer Whipple 1976-6-30 1183 Siskiyou S face of Mt. Eddy draining into the N fork of the Sacramento River 2500 Comment
  HSC43461  Eriogonum marifolium Jennifer Whipple 1976-6-24 1130 Siskiyou N slopes of Mt. Eddy 2439 Comment
  UC1505832  Eriogonum marifolium Robert T. Clausen and Harold Trapido 1940-7-27 4975 Siskiyou 5 mi ne, on w side of Mountainhouse Creek summit of Mt. Shasta; So. Cascade Mts., Mountainhouse Creek 1981 Comment
  UC1949265  Eriogonum marifolium Barbara Ertter 1990-7-16 9382 Siskiyou NW side of Mt Eddy ca 8 airmiles SW of Weed, ca 2 mi E of Parks Cr trailhead (= crest of Rt 17) along ridge Comment
  UC454352  Eriogonum marifolium I. J. Condit 1911-7-22 Siskiyou below Horse Camp; Mt. Shasta 2286 Comment
  CAS-BOT-BC263192  Eriogonum marifolium var. cupulatum G. A. Coleman 1901-8-17 s.n. Siskiyou On Red Butte, Mt. Shasta 2560 Comment
  CHSC71592  Eriogonum nudum var. nudum Vernon H. Oswald; Lowell Ahart 1998-8-3 9451 Siskiyou Rock Fence Lake Rd. (USFS 41N18) 1.2 mi northeast of its intersection with Kangaroo Lake Rd. (USFS 41N08) 4.9 mi southeast of Gazelle-Callahan Rd. Roadside. 1767 Comment
  HSC27080  Eriogonum nudum var. nudum J. P. Smith, J. O. Sawyer 1972-9-13 5780 Siskiyou 0.5 mi. W of Cook and Green Pass on rd. to Lily Pad Lake. Comment
  HSC75192  Eriogonum nudum var. nudum K. T. Stillman 1976-8-7 380 Siskiyou Marble Mtn. Wilderness Area 2195 Comment
  LA206876  Eriogonum nudum var. nudum Louis C. Wheeler; 1934-6-19 2738 Siskiyou Siskiyou Mountains, N Hungry Creek 1097 Comment
  CAS-BOT-BC272501  Eriogonum nudum var. pubiflorum John Thomas Howell 1934-7-4 12396 Siskiyou Se. corner of Siskiyou Co. Comment
  HSC17324  Eriogonum nudum var. pubiflorum C. B. Wolf 1927-8-26 1024 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  UC164237  Eriogonum nudum var. pubiflorum Geo. D. Butler 1910-6-26 1605 Siskiyou near Yreka Comment
  RSA19313  Eriogonum nudum var. pubiflorum L. S. Rose 1937-7-26 37601 Siskiyou 3 miles east of Mt. Shasta City. 1372 Comment
  UC1215080  Eriogonum pyrolifolium Paul C. Hutchison 1962-8-2 928 Siskiyou between top of ski lift and Panther Meadow; Mt. Shasta 2438 Comment
  SD53341  Eriogonum pyrolifolium var. pyrolifolium Darley F. Howe 1962-8-6 3411 Siskiyou Mt. Shasta 2438 Comment
  SEINET10623859 Image available Eriogonum siskiyouense Edward L. Greene 1876-8-22 Greene 1002 Siskiyou Scott Mountain. 2743 Comment
  RSA423132  Eriogonum sphaerocephalum Louis C. Wheeler 1934-9-19 3282 Siskiyou Hot dry south slope. Oak Knoll Ranger Station. Klamath River. 671 Comment
  JEPS104844  Eriogonum strictum var. greenei Dean W. Taylor 1996-6-26 15758 Siskiyou serpentine ridge on west hills of Scott Valley, on divide between Cedar Gulch and Sugar Creek (about 10 miles south of Etna); Klamath National Forest 1112 Comment
  JEPS56462  Eriogonum strictum var. proliferum Geo. D. Butler 1908-8-6 211 Siskiyou trail beyond Whiskey Camp; Independence Creek, Whiskey Camp 1676 Comment
  SEINET9292778  Eriogonum umbellatum Unknown 2009-5-31 Siskiyou High elevation, semi-arid desert ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  HSC30405  Eriogonum umbellatum var. argus Frederick W. Oettinger 1969-8-13 1353 Siskiyou Marble Mtn. Wilderness Area, S running ridge of English Peak 2210 Comment
  CAS-BOT-BC268152  Eriogonum umbellatum var. humistratum Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  JEPS110482  Eriogonum umbellatum var. modocense Robert E. Preston 2001-7-21 1708 Siskiyou Klamath National Forest, N slope of Rainbow Mountain. 2026 Comment
  SEINET1004221 Image available Eriogonum umbellatum var. modocense Mark Fishbein, Lane Greer 2006-1 5879 Siskiyou Paynes Creek, above Paynes Springs, about 2 mi southeast of Medicine Lake. 1990 Comment
  UC725673  Eriogonum umbellatum var. modocense A. A. Heller 1916-7-20 12469 Siskiyou near Wagon Creek falls (e side of Mt. Eddy); Mt. Eddy 1524 Comment
  UCD77655  Eriogonum umbellatum var. modocense Robert E. Preston 2005-7-1 2359 Siskiyou 3.3 mi E of Granada, along County Rd A12 787 Comment
  HSC89399  Eriogonum umbellatum var. polyanthum M. S. Taylor 1980-8-19 3267 Siskiyou Paint Pot Crater 1921 Comment
  LA105219  Eriogonum umbellatum var. umbellatum Steve Morgan; 1987-7-28 sn Siskiyou Mount Shasta, Shasta Trinity National Forest, McGinnis Springs, 5 mi. NW of McCloud Comment
  SEINET3160103  Eriogonum umbellatum var. umbellatum G. D. Butler 1910-6-19 1580 Siskiyou Goosenest foothills 1524 Comment
  JEPS24804  Eriogonum vimineum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6813 Siskiyou about 3 mi nw Weed (head of Shasta Valley); Shasta Valley 975 Comment
  POM105146  Eriogonum vimineum Geo. D. Butler 1910-7-31 1806 Siskiyou Summer Fallow Fish near Yreka Comment
  HSC46191  Eriophyllum lanatum Jennifer Whipple 1977-4-30 1878 Siskiyou Scott Valley near Weston Gulch 854 Comment
  HSC92594  Eriophyllum lanatum Jennifer Whipple 1976-7-9 1392 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2226 Comment
  UCD132177  Eriophyllum lanatum Wm. E. Moon 1958-5-29 s.n. Siskiyou State Highway 97, 12 miles northeast of Weed. 1219 Comment
  CAS-BOT-BC301142  Eriophyllum lanatum var. achilleoides Alice Eastwood 1923-5-23 11934 Siskiyou Cantara Comment
  UC455499  Eriophyllum lanatum var. achilleoides I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1981 Comment
  HSC2272  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-5-23 1399 Siskiyou Humbug Mt. 1067 Comment
  RSA68880  Eriophyllum lanatum var. achilleoides A. E. Culbertson 1943-7-1 76 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600 eastern spur of Trinity Mts.; 2000' above Sacramento. within 10 air miles of its headwaters to the west. Comment
  UC1034579  Eriophyllum lanatum var. achilleoides Douglas Barbe 1955-7-26 264 Siskiyou n slope Scott Mt. (Klamath Mountains); , n slope Scott Mt. 1828 Comment
  UC507182  Eriophyllum lanatum var. grandiflorum Lincoln Constance 1928-6-1 Siskiyou s of Weed Comment
  HSC19556  Eriophyllum lanatum var. integrifolium J. O. Sawyer 1969-7-25 1548 Siskiyou W of High Lake 2256 Comment
  CAS-BOT-BC301720  Eriophyllum lanatum var. lanceolatum D. E. Breedlove 1962-6-10 3314 Siskiyou Along Indian Creek Road, 2.3 miles northwest of Happy Camp; Siskiyou Mountains 365 Comment
  CAS-BOT-BC301724  Eriophyllum lanatum var. lanceolatum C. R. Quick 1950-6-21 50 -03 Siskiyou Paul's Gulch, lateral drainage S of Hungry Creek Comment
  UC1540157  Eryngium alismifolium Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-6 9246 Siskiyou White Deer Lake, extreme northeastern portion of county Comment
  CAS-BOT-BC54577  Erysimum capitatum Doris K. Kildale 1928-7-2 5392 Siskiyou Salmon Summit via Horn Creek Trail. 1981 Comment
  HSC19421  Erysimum perenne J. O. Sawyer 1968-7-23 565 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  HSC68522  Erysimum perenne Maralyn A. Renner 1980-6-23 993 Siskiyou W Fork Seiad Creek 878 Comment
  SBBG25925  Erythranthe linearifolia D. Myrick 1966-8-12 1548 Siskiyou rd to Carter Ranch, Mountain Meadow Ranch, Big Flat 1615 Comment
  RSA28186  Erythronium citrinum var. citrinum Elmer I. Applegate 1932-4-16 7061 Siskiyou Klamath River opposite the mouth of Doggett Creek Comment
  RSA78844  Erythronium grandiflorum subsp. grandiflorum Philip A. Munz 1952-7-2 17890 Siskiyou Road to Baldy Mountain, NW of Happy Camp, Siskiyou Mtns. 1524 Comment
  JEPS82706  Erythronium klamathense Wayne Roderick 1984-6-5 Siskiyou ca 12 air km sw Mt. Shasta city (above Castle Lake) 1981 Comment
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Mar 5 2007
  HSC92687  Eucephalus glabratus Jennifer Whipple 1977-8-4 2158 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2226 Comment
  JEPS41319  Eucephalus ledophyllus Ruby Van Deventer 1938-7-31 38 Siskiyou s of, sw of Poker Flat Lookout Mountain (Twin Valley Trail) 1219 Comment
  RSA417682  Eucephalus ledophyllus var. covillei M. B. Dunkle 1945-1 9296 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  HSC22123  Eucephalus ledophyllus var. ledophyllus J. O. Sawyer 1969-8-1 1637 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC22125  Eucephalus ledophyllus var. ledophyllus J. O. Sawyer 1969-8-5 1934 Siskiyou N of S Sugar Lake 1890 Comment
  HSC69232  Eucephalus ledophyllus var. ledophyllus Maralyn A. Renner 1980-9-1 2714 Siskiyou S side of Devil's Punchbowl 1829 Comment
  HSC27670  Euphorbia crenulata Carl W. Mize 1972-6-8 23 Siskiyou Along main trail 335 Comment
  UCD98897  Fallopia japonica T. C. Fuller 1963-8-26 11152 Siskiyou Dunsmuir Grade, Hwy 99 to Mt. Shasta City, 0.5 mi. n. of the limits of Dunsmuir. Comment
  CAS-BOT-BC278729  Festuca idahoensis Clarence R. Quick 1959-6-19 59 -04 Siskiyou 3 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  CHSC71340  Festuca idahoensis Vernon H. Oswald; Lowell Ahart 1998-6-11 9193 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  UC1024703  Festuca idahoensis Leo Whitney 1934-6-10 2141 Siskiyou near Tennant; Antelope Creek 1463 Comment
  UC70744  Festuca idahoensis T. H. Gilbert 1899-7-15 Siskiyou Scott River Valley Comment
  UCD66385  Festuca idahoensis Mr. Roseman 1913-1 24 Siskiyou Butte Valley. Comment
  CAS-BOT-BC278872  Festuca occidentalis A. A. Heller 1915-7-18 12123 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC278881  Festuca occidentalis Ira L. Wiggins 1955-7-24 13498 Siskiyou Ridge betw. upper reaches of China & Blind Horse Creeks 1645 Comment
  CHSC110947  Festuca occidentalis B. Castro; L. P. Janeway 2007-7-29 1671 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, at base of the dN-facing slope. Ca 150 ft up old Rd43N39 (now closed) from jcn with its 'A' spur, in the old roadbed on semi-shaded red fir forest floor. Comment
  HSC19060  Festuca occidentalis J. O. Sawyer 1969-7-23 1174 Siskiyou Near Horse Range Creek. 1341 Comment
  HSC22454  Festuca occidentalis J. O. Sawyer 1969-6-11 841 Siskiyou Duck Lake Creek near C.C.C. road. 1311 Comment
  UC207708  Festuca occidentalis Geo. D. Butler 1910-7-12 1752 Siskiyou Shackleford Creek 1219 Comment
  RSA211416  Festuca subulata William J. Ferlatte 1966-6-22 108 Siskiyou Wooded area 3 miles S of Big Flat. 1585 Comment
  UC2046864  Festuca viridula R. E. Brainerd with N. Otting 2013-7-12 2182 Siskiyou Siskiyou County: Klamath Mountains. Marble Mountains Wilderness Area. Near the outlet at the west end of Upper Wright Lake. Comment
  CAS-BOT-BC453507  Fragaria Harley P. Chandler 1901-6-1 1569 Siskiyou Ridges and meadows near Marble Mountain; North Coast Ranges 1828 Comment
  CAS-BOT-BC453510  Fragaria Harley P. Chandler 1901-6-1 1569 Siskiyou Ridges and meadows near Marble Mountain; North Coast Ranges 1828 Comment
  CHSC29777  Fragaria virginiana M. S. Taylor; W. Roderick, B. Williams 1980-6-4 2783 Siskiyou Bog around Cedar Lake, at lake edge. 1737 Comment
  HSC19400  Frangula californica J. O. Sawyer 1968-9-10 674 Siskiyou 1524 Comment
  HSC69518  Frangula californica John Palmer 1980-7-23 566 Siskiyou Past Elbow Springs at end of USFS Rd. 15N19 1220 Comment
  CAS-BOT-BC53266  Frangula californica subsp. californica Carl B. Wolf 1927-8-27 1153 Siskiyou On the Klamath River 1 mile above the Salmon River Comment
  CAS-BOT-BC53418  Frangula californica subsp. occidentalis Doris K. Kildale 1929-7-20 8655 Siskiyou trail up South Fork, Indian Creek to Elk Lick Comment
  CAS-BOT-BC59981  Frangula purshiana C. Hart Merriam 1919-9-24 s.n. Siskiyou Klamath Canyon, mouth of Shovel Creek. Comment
  HSC18420  Frangula rubra subsp. modocensis D. M. Thosmon 1965-8-14 183 Siskiyou Base of S side of Caldwell Butte, Lava Beds National Monument, 0.25 mi from rd. Comment
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Sep 14 2016
  SBBG27245  Frangula rubra subsp. obtusissima D. K. Kildale 1929-6-22 8032 Siskiyou base of Black Butte, Mt Shasta Comment
  RSA78678  Frasera albicaulis var. nitida P. A. Munz 1952-7-2 17871 Siskiyou Road to Baldy Mountain, northwest of Happy Camp, Siskiyou Mountains. 1494 Comment
  CAS-BOT-BC130175  Fritillaria affinis Elmer I. Applegate 1932-4-16 7064 Siskiyou Between Hamburg and Seiad Valley, Klamath River Comment
  CAS-BOT-BC502833  Fritillaria atropurpurea Mrs. Eric Anderson 1923-4-19 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC502835  Fritillaria atropurpurea Wm. Bridge Cooke 1938-7-1 11155 Siskiyou Mount Shasta, below Wagon Camp 1706 Comment
  RSA237918  Fritillaria atropurpurea Frederick W. Oettinger 1968-8-18 575 Siskiyou Trail above Diamond Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 1921 Comment
  SEINET12054443  Fritillaria atropurpurea H. P. Chandler 1901-1 Siskiyou Comment
  CAS-BOT-BC506206  Fritillaria pudica Geo. D. Butler 1910-3-11 1121 Siskiyou Yreka hills 914 Comment
  CAS-BOT-BC506208  Fritillaria pudica Ellsworth Bethel 1923-4-21 s.n. Siskiyou Fall River Mills Comment
  JEPS88842  Galium arcuatum T. Howell 1886-1 137 Siskiyou Comment
  HSC58971  Galium bifolium Gilbert Muth 1975-7-30 4034 Siskiyou Near Lily Pad Lake, close to the town of Seiad Valley 1585 Comment
  JEPS18602  Galium bifolium Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-7-26 5948 Siskiyou s end Gumboot Lake 1859 Comment
  UC139302  Galium bolanderi Dr. E. B. Copeland 1903-8-14 3779 Siskiyou Sisson Comment
  UC1409412  Galium bolanderi Frederick W. Oettinger 1969-8-3 1144 Siskiyou in brushy area between Willow Springs and English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  UC164088  Galium bolanderi Geo. D. Butler 1908-7-19 999 Siskiyou Humbug Creek Comment
  JEPS52691  Galium bolanderi Lauramay T. Dempster 1963-9-2 3918 Siskiyou Happy Camp Rd 7 mi s state line Comment
  CAS-BOT-BC210238  Galium grayanum var. grayanum Dana York 2011-8-12 3039 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain 2075 Comment
  JEPS107488  Galium parisiense Lowell Ahart, John Dittes 2005-6-10 12116 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  HSC35796  Galium triflorum J. O. Sawyer 1968-7-10 469 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC61496  Galium triflorum Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  HSC68360  Galium triflorum J. P. Smith, Steve Selva 1970-6-14 3879 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  RSA238879  Galium triflorum Frederick W. Oettinger 1967-8-20 287 Siskiyou Just below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  POM358717  Gamochaeta ustulata Edwin Kline 1920-7-19 s.n. Siskiyou Siskiyou Mts. Comment
  HSC8398  Garrya fremontii C. B. Wolf 1927-8-26 1045 Siskiyou Along Klamath River, 4 mi. N of Gottville Comment
  POM78080  Garrya fremontii Geo. D. Butler 1910-3-12 1125 Siskiyou Near Yreka. Comment
  RSA300516  Garrya fremontii John Dourley, Walter Wisura 1982-10-17 3879 Siskiyou Mill Creek Ridge, ca. 18 mi N of Happy Camp, along old road up Indian Creek. 1524 Comment
  UC166164  Garrya fremontii Geo. D. Butler 1910-6-17 1565 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC182229  Garrya fremontii W. R. Dudley 1901-8-16 s.n. Siskiyou near the head of Willow Creek Grade, west of Gazelle Comment
  POM78084  Garrya fremontii Geo. D. Butler 1910-6-17 1565 Siskiyou Humbug Mountain Comment
  HSC98346  Gaultheria humifusa Gordon Leppig, J. Kalt 1996-7-9 378 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  UCSB13371  Gaultheria shallon Muller, Katherine 1954-6-23 Siskiyou Siskiyou Mt., 1 mi. below Hazel View Summit, 3 mi. NE of Idlewild 742 Comment
  HSC61497  Gayophytum diffusum subsp. parviflorum Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  UC422805  Gayophytum diffusum subsp. parviflorum H. W. Furlong Sept. 1901 Siskiyou summit to Ager Comment
  UC873638  Gayophytum diffusum subsp. parviflorum P. A. Munz 1941-9-10 16307 Siskiyou above Horse Camp Creek (near); Mt. Shasta Comment
  RSA113415  Gayophytum diffusum subsp. parviflorum W. Bridge Cooke 1956-7-19 30311 Siskiyou Below Wagon Camp, Mount Shasta 1677 Comment
  RSA120858  Gayophytum diffusum subsp. parviflorum G. D. Barbe 1957-7-13 378 Siskiyou Big Flat Public Camp, Klamath National Forest 1524 Comment
  UC1584292  Gayophytum heterozygum J. Kierstead 1990-8-23 90 -143 Siskiyou Cold Creek Mt. Shasta, McCloud R.D. (e slope of mt.) 1584 Comment
  UC1409240  Gayophytum humile Frederick W. Oettinger and R. F. Thorne 1969-8-5 1189 Siskiyou trail <from> English Lake to Abbots (w Siskiyou Co. high lake basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1706 Comment
  JEPS51257  Gentiana newberryi Wayne Roderick 1967-9-3 Siskiyou in region just s South China Mountain (Cabin Meadow near Cabin Meadow Lakes); Cabin Meadow 2133 Comment
  UC741166  Gentiana plurisetosa C. C. and S. K. Harris 1939-8-29 976 Siskiyou Half Moon Meadow Marble Mountain Primitive Area; Half Moon Meadow, Marble Mt. Primitive Area, Siskiyou Co. 1670 Comment
  RSA0034455  Geranium viscosissimum var. viscosissimum Geo. D. Butler 1910-6-6 1458 Siskiyou Quartz Valley. Comment
  CAS-BOT-BC459351  Geum aleppicum L. E. Smith 1913-7-27 506 Siskiyou Mc Cloud Comment
  UC1299120  Geum macrophyllum Freed W. Hoffman 1951-7-15 4032 Siskiyou Marble Mountains, Hammond Camp, western Siskiyou County Hammond Camp; North Coast Ranges, Marble Mountains, Hammond Camp 1524 Comment
  UC722695  Geum triflorum C. L. Hitchcock, J. S. Martin 1939-7-9 5326 Siskiyou 1/2 mi se of King's Castle (Marble Mountains); Marble Mountains 1828 Comment
  SEINET7073523  Gilia capitata A. G. Vestal 1963-6-1 s.n. Siskiyou About 3.6 miles northwest of Route 97. UTM Zone 10, 547050mN, 4588388mN. Coordinate datum: NAD27. Comment
  RSA96729  Gilia capitata Lee W. Lenz 1953-5-17 18312 Siskiyou Salmon River, 1 1/4 mi. above junction with Klamath River 177 Comment
  SEINET7042833  Gilia capitata A. G. Vestal 1955-5-17 s.n. Siskiyou Serpentine bank on the east side of Scott Valley. Ca 3 miles east of Etna on Eastsi De Road. McConaughy Gulch quadrangle UTM Zone 10, 513136mE, 4589617mN. Comment
  RSA436245  Githopsis specularioides James Payne Smith 1973-5-5 6534 Siskiyou Scott Bar along the Scott River. Comment
  HSC39670  Glyceria elata J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5729 Siskiyou 0.9 mi. S of Sugar Creek on Parrott Mill Rd. 1341 Comment
  HSC69440  Glyceria elata John S. Palmer 1980-8-13 791 Siskiyou Dead Cow Creek, near FS 47N44 from Beaver Creek Rd. 1616 Comment
  HSC30456  Glyceria striata Frederick W. Oettinger, R. F. Thorne 1969-8-7 1283 Siskiyou Salmon Mtns., Upper edge of Sundew Bog, English Lake Basin. 1829 Comment
  RSA238997  Glyceria striata Frederick W. Oettinger 1969-9-4 1651 Siskiyou Tobacco Lake. Salmon Mountains High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC2133  Glycyrrhiza lepidota C. B. Wolf 1927-8-26 1022 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  UC134940  Gnaphalium palustre E. B. Copeland 1903-7-2 3533 Siskiyou Klamathon Pacific Coast, Klamathon Comment
  UC61683  Gnaphalium palustre Geo. B. Grant 1902-9-1 5088 Siskiyou Sisson Northern California, Mount Shasta 1066 Comment
  HSC27620  Goodyera oblongifolia Carl W. Mize 1972-8-19 106 Siskiyou 732 Comment
  JEPS24021  Goodyera oblongifolia Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6883 Siskiyou at junction of Happy Camp-Takilma Road and Poker Flat Road (Siskiyou Mountains); Siskiyou Mountains 1376 Comment
  CAS-BOT-BC314631  Grindelia hirsutula Copeland 1903-8-14 3884 Siskiyou Sisson Comment
  CDA6053  Grindelia nana G. D. Barbe 1973-8-14 1703 Siskiyou Site of proposed quarantine station south of Mt. Shasta City, west side of Interstate 5. Comment
  CDA3424  Gypsophila paniculata T. C. Fuller 1967-6-29 16038 Siskiyou West of Medo-Bel Dairy, College Avenue, southwest part of Weed. 0 Comment
  HSC23596  Hackelia bella J. O. Sawyer 1969-7-18 1437 Siskiyou 1951 Comment
  UC726512  Hackelia californica A. A. Heller 1916-6-22 12426 Siskiyou near Sisson 1074 Comment
  UCR39975  Hackelia micrantha L. P. Janeway 1983-7-31 470 Siskiyou Poker Flat 1524 Comment
  RSA126300  Hackelia micrantha I. L. Wiggins 1955-7-29 13575 Siskiyou North-facing slope between Caribou Lake and Pass to Thompson Creek 1957 Comment
  CHSC71612  Hastingsia alba Vernon H. Oswald; Lowell Ahart 1998-8-3 9423 Siskiyou Kangaroo Lake Rd: (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 41N10. 1554 Comment
  UC1134651  Hastingsia alba H. S. Yates 1936-6-21 5822 Siskiyou 1 mi se Gazelle; Etna Quad. Comment
  UC1409317  Hastingsia alba Frederick W. Oettinger 1969-8-8 1301 Siskiyou vicinity English Peak (English Lake, Sundew Bog, Marble Mountain Wilderness Area, Salmon Mountains, High Lake Basins); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  CAS-BOT-BC504609  Hastingsia alba Alice Eastwood 1912-7-24 1362 Siskiyou Castella Comment
  UCD132926  Helianthus Ben Beard 1978-1 HSP 09 A Siskiyou near Mt. Shasta. Comment
  JEPS1675  Hesperochiron californicus Doris Utz 1934-4-18 Siskiyou Etna Comment
  HSC43383  Hesperochiron pumilus Maralyn O'Meara 1974-5-26 459 Siskiyou Along USFS Rd. 47N03 1524 Comment
  UC1045250  Hesperolinon micranthum W. Bridge Cooke 1940-7-5 15225 Siskiyou along and old lane near Municipal Spring; Mount Shasta Comment
  SEINET10460683  Heterocodon rariflorum Butler 1910-7-8 BUTLER 1662 Siskiyou SHACKELFORD CR. 1219 Comment
  HSC18658  Heteromeles arbutifolia C. B. Wolf 1927-8-27 1151 Siskiyou On Klamath River, 6 mi. above the mouth of Salmon River Comment
  JEPS104877  Heterotheca oregona var. compacta Dean W. Taylor 1993-7-30 14019 Siskiyou Highway 3 about 7 miles east of Fort Jones (tributary to Scott River); Klamath National Forest 609 Comment
  CAS-BOT-BC312299  Heterotheca villosa var. minor Gilbert Muth 1965-7-28 311 Siskiyou Ridge near Marble Mt. Lookout Comment
  CAS-BOT-BC312302  Heterotheca villosa var. minor Gilbert Muth 1965-7-28 311 Siskiyou Ridge near Marble Mt. Lookout Comment
  HSC86361  Heuchera cylindrica J. O. Sawyer 1983-7-7 4229 Siskiyou Top of Medicine Mtn. 2085 Comment
  CHSC99698  Heuchera merriamii L. P. Janeway 2008-7-24 9474 Siskiyou Klamath Ranges. Siskiyou Mountains; at end of short spur road into top of Alex Hole; 1.0 km east-southeast of Condrey Mountain. 1975 Comment
  JEPS84339  Heuchera merriamii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6408 Siskiyou 5 mi n Seiad Valley (at head of Hell's Canyon); Hell's Canyon 1750 Comment
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Jul 30 2009
  RSA22033  Heuchera merriamii John T. Howell 1939-8-2 14863 Siskiyou Spirit Lake, Marble Mts. Comment
  UC922302  Heuchera merriamii Annie M. Alexander and Louise Kellogg 1949-7-24 5860 Siskiyou Paradise Lake, trail to Bear Lake Paradise Lake; Marble Mountains, Paradise Lake 1920 Comment
  RSA0063197  Heuchera merriamii John T. Howell 1939-8-2 14863 Siskiyou Spirit Lake, Marble Mts. Comment
  RSA0066095  Heuchera micrantha var. diversifolia M. B. Dunkle 1944-6-25 9014 Siskiyou Siskiyou National Forest. 1677 Comment
  NY186042  Heuchera pringlei C. G. Pringle 1881-8-14 s.n. Siskiyou Castle Lake 1828.8 Comment
  CAS-BOT-BC319681  Hieracium albiflorum A. A. Heller 1915-8-26 12229 Siskiyou North side of Mt. Eddy 2133 Comment
  JEPS82484  Hieracium albiflorum Gilbert Muth 1965-8-11 203 Siskiyou Black Mt. Marble Mt. Wilderness Area 1792 Comment
  UC897800  Hieracium albiflorum A. A. Heller 1915-7-18 12122 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 Comment
  HSC28228  Hieracium albiflorum Carl W. Mize 1972-6-8 7 Siskiyou 320 Comment
  RSA237532  Hieracium gracile Frederick W. Oettinger 1968-8-8 448 Siskiyou Ridge above Upper English Lake near trail to English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  HSC26559  Hieracium horridum J. P. Smith, J. O. Sawyer 1972-8-20 5751 Siskiyou Slope of Mt. Hoffman 2134 Comment
  UC572808  Hieracium horridum unknown 1937-8-17 9257 Siskiyou Mt. Shasta 2590 Comment
  RSA238729  Hieracium horridum Frederick W. Oettinger 1969-7-28 1085 Siskiyou Gap SSW of Lower Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  CAS-BOT-BC316007  Hieracium nudicaule H. A. Thomas; J. H. Thomas 1954-7-25 4524 Siskiyou Vicinity of Rush Lake and Rush Creek Meadow about 9 miles E of Cecilville, Salmon - Trinity Mts. 1981 Comment
  CAS-BOT-BC316014  Hieracium nudicaule Alice Eastwood 1912-7-15 1083 Siskiyou McCloud Comment
  JEPS84328  Hieracium nudicaule L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6371 Siskiyou ca 1/2 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  CAS-BOT-BC316010  Hieracium nudicaule A. A. Heller 1921-6-29 13561 Siskiyou Along the Mt. Shasta trail near the town of Mt. Shasta Comment
  UCD77770  Hieracium nudicaule Robert E. Preston 2001-7-21 1701 Siskiyou Klamath National Forest, near south end of Antelope Creek Meadow, 1633 Comment
  HSC36472  Hieracium scouleri J. O. Sawyer 1969-8-1 1692 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC76864  Hieracium scouleri K. T. Stillman 1976-9-9 478 Siskiyou Marble Mountain Wilderness Area. Big Rock Camp- Elk Valley Trail 1921 Comment
  UC1408934  Hieracium scouleri Frederick W. Oettinger 1968-8-12 490 Siskiyou near Tobacco Lake (w Siskiyou County, the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains 1889 Comment
  JEPS82483  Hieracium triste Gilbert Muth 1965-8-11 204 Siskiyou Black Mt. Marble Mt. Wilderness Area (meadow near summit, rim trail) 2011 Comment
  UC618676  Hieracium triste W. Bridge Cooke 1938-8-18 11500 Siskiyou above Horse Camp; Mount Shasta Comment
  UC922283  Hieracium triste Annie M. Alexander and Louise Kellogg 1949-7-22 5837 Siskiyou Trail to Paradise Lake. Kings Castle; Marble Mountains 1920 Comment
  HSC31802  Holodiscus discolor Steve Selva, Roger Jensen 1974-8-16 2 Siskiyou N facing slopes above Sugar Lake Comment
  UC375381  Holodiscus discolor Geo. D. Butler 1908-8-3 283 Siskiyou near Campbell Lake 3 mi s of Red Mountain (sw of the bend in the Scott River, Log Lake, Shackleford Creek, central Siskiyou County); Log Lake, Shackleford Creek 1645 Comment
  CAS-BOT-BC150143  Holodiscus microphyllus var. glabrescens E. B. Copeland 1903-10-11 3784 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC150145  Holodiscus microphyllus var. glabrescens Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  HSC63677  Holodiscus microphyllus var. glabrescens Richard Spjut, Emelia Russell 1979-8-28 5511 Siskiyou W slope of Mt. Shasta, base of rocky cliffs and ridges 2744 Comment
  UC197104  Hordeum brachyantherum subsp. brachyantherum Geo. D. Butler 1910-6-15 1564 Siskiyou Yreka Creek Comment
  CAS-BOT-BC143952  Horkelia daucifolia Geo. D. Butler 1910-5-4 1272 Siskiyou Near Yreka Comment
  JEPS96960  Horkelia daucifolia Dean W. Taylor 1997-6-12 16052 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle Comment
  UC186573  Horkelia daucifolia J. G. Lemmon and Mrs. J. G. Lemmon 1889-6-28 Siskiyou near Edgewood (n California); U. S. Pacific Slope; near Edgewood Comment
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Mar 14 2015
  SEINET8224842  Horkelia daucifolia A. Heller 1927-5-14 14384 Siskiyou Shasta Valley, near Gazelle. Comment
  UC163747  Horkelia daucifolia Geo. D. Butler 1910-7-3 1634 Siskiyou 1219 Comment
  HSC82562  Horkelia daucifolia var. daucifolia Thomas W. Nelson, Jane P. Nelson 1979-5-26 4717 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  CHSC48850  Horkelia fusca subsp. parviflora Vernon Oswald 1986-5-29 2074 Siskiyou Hwy 97 between Grass Lake and Hebron Summit, 26.9 mi ne of Weed. 1432 Comment
  UCD113561  Horkelia tridentata Steve Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 mi. NW of McCloud, Shasta-Trinity National Forest, S of Mt. Shasta. 1767 Comment
  UC453992  Horkelia tridentata subsp. tridentata I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat; Summit of Mt. Bradley 1981 Comment
  HSC796  Hosackia crassifolia William J. Ferlatte 1967-7-9 701 Siskiyou Kidd Creek Trail 1677 Comment
  CAS-BOT-BC312577  Hulsea nana Peter H. Raven 1956-9-4 10425 Siskiyou Summit of Mt. Eddy 2758 Comment
  HSC38600  Hulsea nana J. O. Sawyer 1976-10-31 2827 Siskiyou Above timberline along Ash Creek below Wintun Glacier, E side of Mt. Shasta 3201 Comment
  UC1540215  Hulsea nana Dean W. Taylor 1987-6-29 9094 Siskiyou n end of Burnt Lava Flow 1706 Comment
  RSA420883  Hydrophyllum fendleri var. albifrons M. B. Dunkle 1944-06 9041 Siskiyou Wet seepage bank. Comment
  HSC61785  Hydrophyllum occidentale Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC312849  Hymenoxys lemmonii Louis C. Wheeler 1934-10-21 3334 Siskiyou Shasta Valley 4 mi. E Grenada 853 Comment
  RSA12609  Hymenoxys lemmonii C. B. Wolf 1934-7-5 5976 Siskiyou Shasta Valley, 4.6 miles north of Gazelle. 823 Comment
  SBBG4755  Hypericum anagalloides H. and M. Dearing 1939-7-1 3768 Siskiyou Etna Crk, W of Etna 1219 Comment
  UC1483537  Hypericum anagalloides Maralyn A. Renner 1980-8-21 2567 Siskiyou Klamath Nat'l Forest, s. corner boundary Coffee Creek Quad., Kidd Creek Klamath Nat'l Forest, Coffee Creek Quad., Kidd Creek 2042 Comment
  CHSC739  Hypericum formosum var. scouleri 1936-6-30 Siskiyou Mt. Shasta City. 1097 Comment
  UCD110385  Hypericum perforatum subsp. perforatum Daryl Koutnik; Martha Townsend 1979-9-10 s.n. Siskiyou Southwest of Etna, near Etna Bridge. 1066 Comment
  HSC93009  Hypericum scouleri Jennifer Whipple 1977-8-6 2200 Siskiyou Dobkins Lake 2058 Comment
  CAS-BOT-BC206827  Iliamna bakeri Carl B. Wolf 1941-7-26 11073 Siskiyou 10.3 mi. NE of Weed along U.S. Highway #97 914 Comment
  CAS-BOT-BC206832  Iliamna bakeri L. Constance 1940-7-12 15337 Siskiyou Along the Memorial Highway, Mount Shasta. 1524 Comment
  RSA12665  Iliamna bakeri Carl B. Wolf 1934-7-6 6029 Siskiyou West side of Mt Shasta, along Snowline road, 3.3 miles from Mt. Shasta City 1524 Comment
  SJSU6075  Ipomopsis aggregata R. W. Trivelpiece 1971-7-27 62 Siskiyou near Eddy Gulch Lookout c. 4.5 mi S of Sawyers Bar on N Fork Salmon R, Salmon R Mts 1828 Comment
  RSA469532  Ipomopsis aggregata M. B. Dunkle 1944-7-14 9133 Siskiyou Siskiyou National Forest, Sierra Nevada Mountains. 1767 Comment
  SD88477  Ipomopsis aggregata Darley F. Howe 1972-7-4 Siskiyou Easterly from Del Norte-Siskiyou Co. marker on road to Youngs Valley, Sanger Peak road. 1646 Comment
  JEPS95608  Ipomopsis aggregata subsp. formosissima Vernon H. Oswald and L. Ahart 1994-8-10 6463 Siskiyou T40N R3W center Sec. 16, 5200 ft, Montane Chaparral. FS 31 0.6 mi E of Ski Park Hwy. (FS 88), ca. 5 mi (air) NW of McCloud 1584 Comment
  RSA211092  Ipomopsis aggregata subsp. formosissima William J. Ferlatte 1966-6-22 86 Siskiyou Along the South Fork of the Salmon River between the campgrond and Carter's; Trinity Alps. 1524 Comment
  UC643293  Ipomopsis congesta W. Bridge Cooke 1940-6-27 15202 Siskiyou in brush field in the Lava Park along old logging rd leading up Mount Shasta from Hotlum Station on the n side Mount Shasta 1371 Comment
  POM258031  Iris bracteata C. L. Hitchcock 1939-7-7 5270 Siskiyou Sanger Peak Trail, CA. 13 miles south of Takilma, Oregon 1067 Comment
  UC164475  Iris missouriensis Geo. D. Butler 1909-6-22 883 Siskiyou Goosenest foothills Comment
  UC796614  Iris missouriensis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11815 Siskiyou Plowman's Valley (Noyes Valley) Scott River (Parker Ranch, e for of Scott River drainage) 1203 Comment
  HSC67517  Iris tenuissima J. P. Smith 1976-5-5 8692 Siskiyou Road from Forks of Salmon to Somes Bar 366 Comment
  RSA139181  Iris tenuissima Lee W. Lenz 1958-6-22 23530 Siskiyou 17 miles from Happy Camp, road to Cave Junction Comment
  HSC100274  Isatis tinctoria J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13069 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2005 Comment
  UC1094383  Isatis tinctoria R. C. Bacigalupi with S. Galen Smith 1957-6-27 5973 Siskiyou Grass Lake, along Highway 97 Grass Lake 1524 Comment
  CDA36757  Isatis tinctoria D. B. Joley 1976-6-24 4 Siskiyou Lake Siskiyou. 0 Comment
  CDA3769  Isatis tinctoria Margaret Bellue 1935-6-21 Siskiyou Scott Valley. 0 Comment
  CDA8048  Iva axillaris T. C. Fuller 1960-7-26 4879 Siskiyou Sam s Neck, ca. 10 miles southwest of Dorris. 0 Comment
  CDA8054  Iva axillaris T. C. Fuller 1958-6-19 1802 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  HSC85693  Ivesia pickeringii J. P. Smith 1980-8-24 10345 Siskiyou Klamath National Forest. SR 3, 2.7 miles from Scott Mtn. summit, at road to Carmen Lake 1341 Comment
  SEINET8463956  Ivesia pickeringii D. W. Taylor 1996-7-11 15781 Siskiyou Scott Mountains, West Fork Parks Creek (about 15 air miles West of Stewart Springs) Shasta-Trinity National Forest 1329 Comment
  CDA39580  Juglans hindsii D. H. Shaw & Q. L. Holdeman 1977-9-26 s.n. Siskiyou Lime Gulch, Highway 96, Klamath River. 0 Comment
  HSC78394  Juncus balticus subsp. ater L. P. Janeway 1983-9-11 675 Siskiyou Poker Flat 1524 Comment
  HSC82374  Juncus balticus subsp. ater Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4527 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  RSA15458  Juncus bolanderi Carl B. Wolf 1927-8-26 1096 Siskiyou Klamath River, 14 miles above Happy Camp. Comment
  JEPS66703  Juncus ensifolius Mrs. M. H. Goldsmith and B. C. Goldsmith 1916-8-7 14 Siskiyou Sisson Comment
  UC637040  Juncus ensifolius Edward Lee 1934-8-13 1076 Siskiyou Happy Camp to Waldo (Oregon) road (watershed of West Branch of Indian Creek); Klamath National Forest, West Branch of Indian Creek 1371 Comment
  HSC30708  Juncus hemiendytus var. hemiendytus Frederick W. Oettinger 1969-8-15 1386 Siskiyou Marble Mtn. Wilderness Area, inlet of Upper English Lake 1768 Comment
  UC1523845  Juncus howellii W. J. Ferlatte Jul 23 1986-Aug 4 1986 Siskiyou ca 1 mi n Trinity Co. line (Parks Creek Rd, on divide between Eddy Creek and Parks Creek) 2011 Comment
  UCD77270  Juncus howellii Robert E. Preston 2002-6-21 1872 Siskiyou Klamath National Forest, Rainbow Mountain, S slope, N of Trout Creek 1691 Comment
  HSC69348  Juncus mertensianus Maralyn A. Renner 1980-8-21 2588 Siskiyou Kidd Creek 2043 Comment
  HSC96557  Juncus mertensianus Gordon Leppig, Tony LaBanca, L. Arguello 1997-6-27 484 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  UC1265335  Juncus mertensianus Frederick W. Oettinger 1968-9-20 817 Siskiyou just s of Horse Range Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1844 Comment
  UC1618218  Juncus nevadensis Barbara Ertter 1990-7-16 9377 Siskiyou along ridge ca 1-2 mi from Parks Cr trailhead (= crest of Rt 17) (nw side of mt., ca 8 air mi sw of Weed); Mt. Eddy 2286 Comment
  LA20060  Juncus nevadensis var. nevadensis F. J. Hermann; 1940-7-5 15284 Siskiyou Mt. Shasta, Wagon Camp meadow 1737 Comment
  HSC30712  Juncus orthophyllus Frederick W. Oettinger, R. F. Thorne 1969-8-8 1299 Siskiyou Sundew Bog W of English Lake Camp 1829 Comment
  RSA739865  Juncus parryi L. P. Janeway, B. Castro 2007-7-29 9144 Siskiyou High Cascade Range, Medicine Lake Highlands, Pumice Stone Mtn 2054 Comment
  UC1601838  Juncus parryi W. L. Jepson 1894-1 Siskiyou Mt. Shasta Comment
  CHSC109961  Juncus trilocularis Peter F. Zika 2009-8-16 24598 Siskiyou Forest Service Road 46N04, meadows near north end of Juanita Lake, Cascade Range Highlands. 1550 Comment
  POM110818  Juncus xiphioides Geo D. Butler 1910-7-15 1784 Siskiyou Oro Fino Comment
  SEINET10796223 Image available Juncus xiphioides Cyrus G. Pringle 1882-9-5 Pringle s.n. Siskiyou Shore of Castle Lake. Comment
  CAS-BOT-BC80905  Juniperus Marcus E. Jones 1926-1-20 s.n. Siskiyou Yaqui Well, Colorado Desert Comment
  CAS-BOT-BC81137  Juniperus communis John Thomas Howell 1937-7-24 13394 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC81231  Juniperus occidentalis Doris K. Kildale 1927-11-20 4157 Siskiyou Klamath River at Hornbrook Comment
  NY20176  Juniperus occidentalis A. A. Heller 1938-7-12 15262 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA123373  Juniperus occidentalis var. occidentalis H. A. Jensen 1934-8-29 384 Siskiyou Cedar Park School 884 Comment
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May 15 2015
  CAS-BOT-BC56356  Kalmia microphylla subsp. microphylla Wayne Roderick 1967-7-28 s.n. Siskiyou Panther Meadow, Mt. Shasta 2377 Comment
  CAS-BOT-BC246182  Keckiella lemmonii Marian L. Campbell 1921-7-26 s.n. Siskiyou Castle Crags Comment
  JEPS10865  Keckiella lemmonii Geo. D. Butler 1908-8-24 426 Siskiyou Russian Creek 1219 Comment
  UC457143  Keckiella lemmonii David D. Keck 1927-8-17 1265 Siskiyou 4.5 mi from Mt. Shasta City (on Horse Camp trail, w flank of Mt Shasta); Mt. Shasta 1828 Comment
  HSC90522  Kelloggia galioides Jennifer Whipple 1977-8-5 2178 Siskiyou Wagon Creek Drainage on the E face of Mt. Eddy 2256 Comment
  RSA93332  Kelloggia galioides F. W. Peirson 1923-7-19 4501 Siskiyou 16 miles S of Bray. Comment
  SD112652  Kochia scoparia subsp. scoparia D. F. Howe 1964-8-4 4023 Siskiyou By water canal, 1.6 miles north of Lava Bed National Monument 1219 Comment
  CDA3148  Kochia trichophylla Don Shaw 1971-9-19 Siskiyou South of Yreka 0 Comment
  HSC75131  Koeleria macrantha J. P. Smith, Thomas W. Nelson 1979-6-16 10130 Siskiyou Along State Route 3, 4.4 mi. from the Scott Mtn. summit. 1220 Comment
  JEPS94262  Koeleria macrantha Vernon H. Oswald and Lowell Ahart 1998-6-11 9194 Siskiyou 2.2 mi ne of Lake Shastina-Big Springs Road, ne of Weed, Shasta National Forest plantation on w side of Highway 97 Weed; Shasta National Forest, Highway 97 1066 Comment
  RSA121244  Koeleria macrantha H. S. Yates 1936-6-21 5818 Siskiyou one mile southeast of Gazelle. 793 Comment
  CAS-BOT-BC499654  Kopsiopsis strobilacea J. H. Thomas 1954-5-14 4184 Siskiyou Salmon Mountains, Klamath National Forest (sw part of county). Near South Fork of Salmon River, 5--9 mi SE of Cecilville, along N side of river 1219 Comment
  UC1190134  Kopsiopsis strobilacea Ira L. Wiggins 1955-7-23 13479 Siskiyou Ridge west of China Creek. Comment
  RSA0104505  Kopsiopsis strobilacea Frederick W. Oettinger 1969-7-14 1021 Siskiyou Salmon Mountains. The high lake basins in the vicinity of English Peak Marble Mountain Wilderness area. On the north side of Charmaine Lake. 1920 Comment
  CAS-BOT-BC340613  Lactuca serriola Lewis S. Rose 1925-7-29 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC349851  Lactuca tatarica subsp. pulchella T. C. Fuller 1967-8-15 16260 Siskiyou 4 mi. n.e. of Macdoel Comment
  CHSC68145  Lagophylla ramosissima L. E. Detling 1959-6-12 8248 Siskiyou Klamath River Valley (Hornbrook). 670 Comment
  CAS-BOT-BC123328  Lathyrus brownii H. E. Brown 1899-1-1 391 Siskiyou North side of Mt. Shasta Comment
  SEINET7042823  Lathyrus lanszwertii var. aridus A. G. Vestal 1955-5-16 s.n. Siskiyou Open yellow pine area on a secondary road east of Route 99. Ca. 2,5 miles west of Weed. Weed quadrangle UTM Zone10, 547634mE, 4587138mN. Comment
  HSC61918  Lathyrus nevadensis var. nevadensis Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  JEPS75661  Lathyrus nevadensis var. nevadensis Geo. D. Butler 1909-6-22 916 Siskiyou Goosenest Mountain Comment
  UC1190131  Lathyrus nevadensis var. nevadensis Ira L. Wiggins 1955-7-21 13427 Siskiyou 7 mi above Cecilville (near Mt. View Ranch); South Fork of Salmon River 975 Comment
  UC375398  Lathyrus nevadensis var. nevadensis Geo. D. Butler 1908-8-10 398 Siskiyou Shackleford Creek Comment
  HSC64118  Lepidium campestre J. P. Smith 1973-5-5 6571 Siskiyou Etna 793 Comment
  RSA429989  Lepidium campestre B. C. Templeton 1957-6-25 7731 Siskiyou Between Callahan and Gazelle. Comment
  SEINET10767893 Image available Lepidium dictyotum var. acutidens Edward L. Greene 1876-4-28 Greene 725 Siskiyou Collected near Yreka. Comment
  JEPS94850  Lepidium latifolium Vernon H. Oswald and Lowell Ahart 1998-9-16 9646 Siskiyou Vista Point on Highway 161 adjacent to a marsh at Lower Klamath National Wildlife Refuge (8.7 mi e of Highway 97); Vista Point, Highway 161 1243 Comment
  SEINET7073533  Leptodactylon pungens A. G. Vestal 1963-6-1 s.n. Siskiyou Road to Dwinnell Reservoir [Lake Shastina]. UTM Zone 10, 548518mN, 4593966mN. Coordinate datum: NAD27. Comment
  SEINET14160959  Leptosiphon bolanderi D. W. Taylor 2003-5-21 18579 Siskiyou Mount Shasta, Weed ca. 2 miles west of downtown, situated just south of Interstate 5, 1.6 miles west from the North Weed exit, Shasta National Forest. 982 Comment
  HSC8217  Lessingia nemaclada J. P. Smith, J. O. Sawyer 1972-9-14 5801 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  HSC2262  Lessingia nemaclada Geo. D. Butler 1910-8-13 1827 Siskiyou Scott Valley. Comment
  HSC4872  Leucothoe davisiae J. O. Sawyer 1968-6-25 342 Siskiyou Along Horse Range Creek 1646 Comment
  HSC96499  Leucothoe davisiae Gordon Leppig 1998-8-13 1004 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  SEINET11990952  Leucothoe davisiae I. Knight, Knight, W. 1983-1 4934 Siskiyou Outflow of Cliff Lake.Upper Sacramento River watershed 1768 Comment
  SEINET2030161 Image available Leucothoe davisiae Lester Rowntree 1937-7-26 s.n. Siskiyou Caribou Lakes Comment
  UC1408826  Lewisia Frederick W. Oettinger 1968-9-6 746 Siskiyou ridge trail e of Tom's Lake; Salmon Mountains, High Lake Basins, Marble Mountain Wilderne 2133 Comment
  HSC76700  Lewisia cotyledon K. T. Stillman 1976-8-7 215 Siskiyou Marble Mtn. Wilderness Area, Elk Valley 1829 Comment
  RSA237496  Lewisia cotyledon Frederick W. Oettinger 1968-9-6 745 Siskiyou Ridge trail E of Tom s Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  JEPS80491  Lewisia leeana Gilbert Muth 1966-7-14 382 Siskiyou Marble Gap trail on flat above Marble Valley Marble Mt. Wilderness Area 1828 Comment
  SEINET10572649  Lewisia leeana Mary Susan Taylor 1980-7-8 Taylor 3093 Siskiyou T39N R5W south center sec 19, Dunsmuir quad; Shasta-Trinity Natl Forest; S end of Little Castle Lake, in steep granitic cliffs. 1768 Comment
  HSC65270  Lewisia nevadensis Rich White 1978-7-6 252 Siskiyou Pond above Elk Hole 1524 Comment
  UC1090386  Lewisia rediviva Milo S. Baker 1957-6-16 13122 Siskiyou Scott Mt. 1645 Comment
  CAS-BOT-BC444584  Lewisia triphylla Gilbert Muth 1966-7-14 388 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mts. 1828 Comment
  CAS-BOT-BC444580  Lewisia triphylla Wm. Bridge Cooke 1939-7-13 13668 Siskiyou Mount Shasta. In The South Gate. Comment
  UC1037117  Leymus cinereus Leo Whitney 1934-6-29 2250 Siskiyou near Tennant; Antelope Creek 1463 Comment
  RSA603020  Leymus triticoides L. C. Wheeler 1935-7-13 3662 Siskiyou Ager 793 Comment
  UC197482  Leymus triticoides Geo. D. Butler 1910-6-25 1603 Siskiyou Yreka Comment
  UC803947  Leymus triticoides G. L. Stebbins Jr., P. Dansereau, K. Narayan, and C. McMillan 1949-8-8 4015 Siskiyou 2.5 mi s Grenada (along railroad right-of-way) 792 Comment
  CAS-BOT-BC436533  Ligusticum apiifolium Alice Eastwood 1912-7-23 1322 Siskiyou Dunsmuir Comment
  HSC76682  Ligusticum californicum K. T. Stillman 1976-7-30 325 Siskiyou Marble Mountain Wilderness Area, Elk Valley Comment
  SEINET6633383  Ligusticum californicum J. M. Tucker 1963-1 3786 Siskiyou headwaters of Canyon Creek, ca. 1/2 mile northeast of Marble Valley Guard Station, Marble Mountain Wilderness Area 1920 Comment
  CAS-BOT-BC482454  Ligusticum grayi Dana York 2011-8-13 3064 Siskiyou Marble Mountain Wilderness, Klamath National Forest, slopes of Black Marble Mountain 2110 Comment
  RSA238846  Lilium kelleyanum Frederick W. Oettinger 1967-7-30 218 Siskiyou The NW side of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  CAS-BOT-BC509361  Lilium kelleyanum Albert M. Vollmer; L. Beane 1953-7-1 109 Siskiyou Foot of Mt. Shasta Comment
  CAS-BOT-BC130717  Lilium pardalinum L. R. Short 1933-8-8 1 Siskiyou Klamath National Forest, Dog Wallow Meadow 1828 Comment
  RSA28139  Lilium washingtonianum Albert M. Vollmer, I. L. Wiggins 1940-7-5 9 Siskiyou 3.5 miles northeast of the town on Mount Shasta 1402 Comment
  SEINET3887245  Lilium washingtonianum Alv Dan Youngberg 1964-7-17 86 Siskiyou Humbolt Meridian.; 0 1067 Comment
  SJSU6496  Lilium washingtonianum subsp. purpurascens R. W. Trivelpiece 1972-6-24 129 Siskiyou near Slater Butte 3 mi E of Klamath River c. 7 mi N of Happy Camp 1158 Comment
  CAS-BOT-BC133091  Lilium washingtonianum subsp. washingtonianum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 9 Siskiyou 3.5 miles northeast of the town of Mount Shasta 1402 Comment
  CAS-BOT-BC123091  Lilium wigginsii Lawrence Beane; Albert Michael Vollmer 1954-7-16 1266 Siskiyou Siskiyou Mountains near Oregon border west of Hwy 99 Comment
  JEPS58259  Linanthus bolanderi Geo. D. Butler 1909-4-27 611 Siskiyou Oro Fino Comment
  UC23467  Linanthus ciliatus Harley P. Chandler Jun 1901 1643 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  UCSB29033  Linanthus ciliatus var. ciliatus C. Hardham 1961-6-30 8013 Siskiyou NEAR WHITE MOUNTAIN 1828 Comment
  CHSC71491  Linanthus pungens Vernon H. Oswald; Lowell Ahart 1998-7-21 9318 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd. northeast of Weed. 975 Comment
  CDA6300  Linaria genistifolia subsp. dalmatica William J. Ferlatte 1971-6-28 Siskiyou Side of alley behind 22 Minnesota Street, McCloud. 0 Comment
  HSC4867  Linnaea borealis subsp. longiflora J. O. Sawyer 1968-6-18 170 Siskiyou Above S Russian Creek on W side. 1463 Comment
  RSA0081335  Linnaea borealis subsp. longiflora I. L. Wiggins 1955-7-23 13467 Siskiyou W of China Creek, S side of S fork of Salmon River. 1098 Comment
  JEPS82719  Linnaea borealis var. longiflora Wayne Roderick 1983-7-10 Siskiyou Doe Flat; (next to Del Norte County) 1143 Comment
  HSC75128  Linum lewisii J. P. Smith, Thomas W. Nelson 1979-6-15 10129 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  HSC15812  Linum lewisii R. C. Wunner 1965-6-10 149 Siskiyou Lava Beds National Monument, Caldwell Butte, below Caldwell Minor on E side. 1433 Comment
  HSC22236  Listera convallarioides J. O. Sawyer 1969-8-4 1886 Siskiyou Above S Sugar Lake 2043 Comment
  RSA240069  Listera convallarioides Frederick W. Oettinger 1969-8-12 1334 Siskiyou At the Cedars, along the main North Fork Trail between Yellow Dog Creek and Abbotts Lower Cabin. The Salmon Mountains; the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area 960 Comment
  CAS-BOT-BC36527  Lithocarpus densiflorus var. echinoides Wm. Bridge Cooke 1941-6-11 16028 Siskiyou along the Castle Lake Road 1219 Comment
  CHSC63339  Lithocarpus densiflorus var. echinoides Vernon Oswald; Lowell Ahart 1994-7-11 6408 Siskiyou Forest Rd. 26 (to Mt. Shasta) 1.9 mi SW of the dam at Lake Siskiyou. 1036 Comment
  UC1045211  Lithocarpus densiflorus var. echinoides unknown 1940-6-6 15031 Siskiyou along the Castle Lake Road Comment
  HSC45038  Lithophragma campanulatum J. O. Sawyer 1978-6-19 3258 Siskiyou Marble Mountain Wilderness Area; along trail in Bug Gulch 1524 Comment
  UC570871  Lithophragma glabrum Dorothy Tebbe 1930-3-28 67 Siskiyou near Weed; near Weed Comment
  HSC22237  Lithophragma heterophyllum J. O. Sawyer 1969-7-11 863 Siskiyou Ravine above C.C.C. road. 1280 Comment
  CAS-BOT-BC317337  Lithospermum californicum Antone J. Soares 1922-6-1 8553 Siskiyou Shasta Springs Comment
  HSC43055  Lithospermum californicum Ken Stillman 1976-8-24 446 Siskiyou E and N slopes of Williams Point 366 Comment
  CHSC105872  Lithospermum ruderale Julie Kierstead Nelson 2008-7-12 2008 -005 Siskiyou South slope of Mt. Shasta in mixed conifer-black oak forest. 1325 Comment
  CAS-BOT-BC269144  Lolium perenne A. A. Heller 1915-7-18 12125 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  HSC77051  Lomatium dissectum var. multifidum K. T. Stillman 1976-6-26 139 Siskiyou Marble Mountain Wilderness Area, Kings Castle. 2134 Comment
  UC1400382  Lomatium dissectum var. multifidum Frederick W. Oettinger 1969-7-9 946 Siskiyou slope NW of Upper English Lake, high lake basins in the vicinity of English Peak Salmon Mountains, Marble Mountain Wilderness Area, western S 1844 Comment
  CAS-BOT-BC211135  Lomatium engelmannii Ira L. Wiggins 1950-5-28 12361 Siskiyou Margins of Carmen Lake, about 1.5 mi. e. of Scott Mountain road 1737 Comment
  HSC49935  Lomatium engelmannii G. L. Clifton, Ground 1978-7-2 1791 Siskiyou Near Hayden Cabin 1738 Comment
  HSC77246  Lomatium macrocarpum L. P. Janeway 1983-7-3 372 Siskiyou Ridgetop NW of Poker Flat (Siskiyou crest) 1585 Comment
  RSA184690  Lomatium macrocarpum Gilbert Muth 1966-7-22 440 Siskiyou Marble Rim, Marble Mountains 2195 Comment
  RSA215602  Lomatium macrocarpum Gilbert Muth 1969-8-6 1204 Siskiyou Boulder Peak. 2530 Comment
  CHSC88401  Lomatium nudicaule Jenny Marr 1993-7-1 160 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC38864  Lomatium nudicaule J. P. Smith 1973-5-5 6463 Siskiyou Along Cook and Green Pass Rd. Comment
  RSA105399  Lomatium nudicaule G. D. Barbe 1955-7-5 112 Siskiyou 1 mile north of Etna on the middle valley road 884 Comment
  JEPS17005  Lomatium piperi Geo. D. Butler 1910-3-14 1130 Siskiyou Yreka hills Comment
  RSA452597  Lomatium triternatum L. C. Wheeler 1935-6-9 3555 Siskiyou Siskiyou Mounatins, Yreka Creek 1220 Comment
  HSC39323  Lomatium triternatum var. macrocarpum J. P. Smith 1974-5-26 7389 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC836  Lonicera conjugialis William J. Ferlatte 1967-7-9 693 Siskiyou Kidd Creek Trail. 1982 Comment
  SEINET8056669  Lonicera interrupta G. D. Butler 1900-6-17 1571 Siskiyou Near Yreka. Comment
  JEPS64879  Lotus crassifolius var. crassifolius W. L. Jepson Jul 1 1894-Aug 1 1894 13783 Siskiyou Sisson Comment
  SEINET10973206  Lotus grandiflorus David B. Dunn 1973-6-3 Dunn 20649 Siskiyou Vicinity of the campground on the salmon river, 8.3 mi w of cicilville. Yellow Pine forest with douglas fir. Area with mostly metamorphic rocks. Area very Rocky and gravelly. Comment
  RSA406194  Lotus humistratus Louis C. Wheeler 1934-6-22 2757 Siskiyou Cottonwood Creek, Siskiyou Mountains. Mt. Diablo Mer. 915 Comment
  CDA27279  Lotus nevadensis T. C. Fuller Jun 1958 1805 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  JEPS101139  Lotus nevadensis var. nevadensis Dean W. Taylor 1996-6-20 15720 Siskiyou upper Noyes Valley; along Noyes Valley Creek (ca. 20 air miles SW of Yreka) Comment
  RSA297048  Lotus oblongifolius var. nevadensis John F. Emmel 1974-7-18 513 Siskiyou North end of small unnamed lake 1.4 air miles E. of Preston Peak. 1463 Comment
  UC864297  Lotus oblongifolius var. oblongifolius A. A. Heller 1915-7-15 12101 Siskiyou Mt. Eddy 1371 Comment
  UC1561366  Lotus purshianus var. purshianus Barbara Ertter 1987-7-26 7324 Siskiyou 2.2 mi n Scott Mt. summit (on Hwy 3, at road junction, w of road) 1371 Comment
  UC60884  Lotus purshianus var. purshianus W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC140205  Luetkea pectinata C. L. Hitchcock; J. S. Martin 1939-7-9 5328 Siskiyou 1/2 mile southeast of King's Castle, Marble Mts. 1828 Comment
  HSC4895  Luetkea pectinata J. O. Sawyer 1968-7-22 551 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC76969  Luetkea pectinata K. T. Stillman 1976-7-30 310 Siskiyou Marble Mountain Wilderness Area, trail from Big Rock Camp to Jump off. 1982 Comment
  RSA211466  Luetkea pectinata William J. Ferlatte 1966-8-5 343 Siskiyou Caribou Mtn., Open granite slopes and ridges. Near summit. 2470 Comment
  UCD113636  Luetkea pectinata Alfred H. Murphy 1960-8-10 60 G Siskiyou Klamath National Forest, below Black Mtn. 2072 Comment
Read comments
Apr 3 2015
  OBI76910  Luina hypoleuca Anthony Baniaga 2011-7-8 429 Siskiyou Klamath Natl Forest. Along Salmon river, on hwy 93 272 Comment
  SD230175  Luina hypoleuca Louis C. Wheeler 1959-7-25 7590 Siskiyou Salmon & Marble Mountain Region: Facing the Salmon River, a few miles downstream from Forks of the Salmon. Comment
  UC1017669  Lupinus Marion Ownbey, Ruth P. Ownbey 1938-7-20 1763 Siskiyou near Dry Lake Lookout (summit of the Siskiyou Mountains); , near Dry Lake Lookout Comment
  LA205031  Lupinus albicaulis Wm. Bridge Cooke; 1938-8-12 11464 Siskiyou Mount Shasta, along the Wagon Camp-Horse Camp Trail 1828 Comment
  JEPS94677  Lupinus albicaulis var. shastensis Vernon H. Oswald and Lowell Ahart 1998-6-11 9184 Siskiyou w side of Hwy 97 2.2 mi ne Lake Shastina-Big Springs Rd. (ne of Weed); Shasta NF plantation 1066 Comment
  UC1034059  Lupinus albicaulis var. shastensis W. Bridge Cooke 1941-9-5 16282 Siskiyou vicinity MacBride Springs, Mt. Shasta (Mt. Shasta); , vicin MacBride Springs Comment
  RSA211165  Lupinus albicaulis var. shastensis William J. Ferlatte 1966-8-18 426 Siskiyou Willow Creek Trail 1982 Comment
  OBI59147  Lupinus albifrons Rhonda Riggins 1993-6-16 1685 Siskiyou Greenhorn Park off Greenhorn rd in Yreka Comment
  UC1481906  Lupinus albifrons K. Morris, Dunn and Kenney 1973-6-2 370 Siskiyou on s side of Hwy 3, 22 mi e Fort Jones; e of Fort Jones Comment
  SEINET10871207  Lupinus albifrons var. flumineus Katherine L. Morris 1973-6-2 Morris 336 Siskiyou Decomposed volcanic soil on hornbrook to montague raod, about 1 mile se of Hornbrook Comment
  HSC27655  Lupinus andersonii Carl W. Mize 1972-6-8 8 Siskiyou 351 Comment
  CAS-BOT-BC196351  Lupinus argenteus var. argenteus A. A. Heller 1940-7-23 15759 Siskiyou 2 miles south of Grass Lake, on U. S. Highway #97 Comment
  RSA237888  Lupinus breweri var. breweri Frederick W. Oettinger 1967-7-25 183 Siskiyou Ridge SSE of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2223 Comment
  NY15835  Lupinus corymbosus A. A. Heller 1905-6-9 8015 Siskiyou Montague Comment
  HSC70490  Lupinus croceus J. P. Smith, Steve Selva 1970-6-15 3971 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  CAS-BOT-BC215187  Lupinus croceus H. E. Brown No date on label 395 Siskiyou N side of Mount Shasta Comment
  OBI36619  Lupinus croceus David J. Keil 1983-7-3 17377 Siskiyou Ca. 1.5 mi NW of Scott Mtn pass on SR 3 1524 Comment
  RSA105436  Lupinus croceus G. D. Barbe 1955-7-26 288 Siskiyou Among dry rocks at a small pond on the N slope of Scott Mtn. 1982 Comment
  RSA211162  Lupinus croceus William J. Ferlatte 1966-8-4 297 Siskiyou Yellow Rose Mine 1982 Comment
  SBBG122855  Lupinus croceus B. Ertter 1990-7-14 9330 Siskiyou Wagon Crk, E side of Mt Eddy, ca. 4 air-mi W of Mt Shasta City 1889 Comment
  UC157008  Lupinus klamathensis Geo. D. Butler 1910-5-15 1349 Siskiyou Greenhorn Mountain 1066 Comment
  SEINET10485431  Lupinus klamathensis Charles Piper Smith 1947-5-6 Smith 47207 Siskiyou Hornbrook, hwy 99. Roadside bank. Comment
  CAS-BOT-BC202056  Lupinus lapidicola Richard R. Halse 1989-5-6 3817 Siskiyou Along Old Highway 99, 3.2 miles south of Gazelle or 4.2 miles north of its junction with Old Stage Road 888 Comment
  HSC61902  Lupinus latifolius Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  CHSC63607  Lupinus lepidus var. sellulus Vernon H. Oswald; Lowell Ahart 1994-8-10 6450 Siskiyou Pilgrim Creek Rd. (FS13) at Mudd Creek, 2.7 mi N of Hwy. 89, ca. 4.5 mi (air) NE of McCloud. 1097 Comment
  JEPS109665  Lupinus lepidus var. sellulus Dean W. Taylor 2002-6-29 18208 Siskiyou ridge dividing Rayden Cabin and Big Carmen Lake, ca. 1 mile North of Scott Mountain Summit on Forest Road 40N08 1737 Comment
  SBBG8982  Lupinus lepidus var. sellulus H. and M. Dearing 1939-6-5 3552 Siskiyou McCloud 1066 Comment
  HSC14841  Lupinus leucophyllus Dorothy Parker 1949-6-16 322 Siskiyou Along the Etna-Callahan Rd., Scott Valley 869 Comment
  JEPS93878  Lupinus polyphyllus var. burkei Vernon H. Oswald and Lowell Ahart 1998-7-21 9330 Siskiyou 0.5 mi w of the Old State Highway to Bray (ne of Weed on Tennant Road 4.5 mi e of Highway 97); Tennant Road 1417 Comment
  UC454946  Lupinus polyphyllus var. polyphyllus I. J. Condit 1911-7-22 Siskiyou Sisson Comment
  UC1409329  Lupinus polyphyllus var. polyphyllus Frederick W. Oettinger 1969-7-31 1111 Siskiyou boggy area w above English Lake (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, Western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 1798 Comment
  SD61047  Lupinus sellulus Darley F. Howe 1964-8-4 Siskiyou Near Medicine Lake, Modoc National Forest. 2012 Comment
  RSA11943  Lupinus sellulus subsp. sellulus Elmer I. Applegate 1929-6-18 5739 Siskiyou [Unspecified] Comment
  SEINET10490223  Lupinus sellulus var. artulus Sawyer 1977-6-21 SAWYER 2982 Siskiyou Dillon mtn quad. Crests and meadows near prescott peak. 1676 Comment
  POM10805  Lupinus subvexus var. transmontanus E. B. Copeland 1903-6-2 3537 Siskiyou Klamathon Comment
  HSC4784  Luzula divaricata William J. Ferlatte 1966-8-5 328 Siskiyou N side of Caribou Mtn. 1982 Comment
  UCD77848  Luzula divaricata Robert E. Preston 2001-6-23 1593 b Siskiyou Klamath National Forest, e ridge of Rainbow Mtn, 2072 Comment
  UCR142987  Luzula parviflora L. C. Wheeler 1934-8-17 3184 Siskiyou Siskiyou Mtns., north side of White Mtn 1829 Comment
  HSC96556  Luzula subcongesta Gordon Leppig 1998-8-14 1026 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  CDA40732  Lycopus asper T. C. Fuller 1963-8-27 11165 Siskiyou North shore of Lower Klamath Lake, south side of Dorris-Tulelake Road, 12.4 miles west of Hatfield. 0 Comment
  HSC36660  Lysichiton americanus Brent Whiteley 1975-6-29 105 Siskiyou 976 Comment
  RSA605516  Lysichiton americanus L. C. Wheeler 1959-7-25 7592 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  RSA13893  Machaeranthera shastensis L. C. Wheeler 1934-8-24 3218 Siskiyou Trapper Creek. 1860 Comment
Read comments
Aug 14 2017
  UC1185946  Madia citriodora L. E. Detling 1950-6-11 6638 Siskiyou Siskiyou Pass 1127 Comment
  CAS-BOT-BC344019  Madia elegans L. B. Kildale 1930-6-1 9738 Siskiyou Salmon River between Oak Bottom and Somes Bar Comment
  POM208255  Madia exigua L. C. Wheeler 1934-6-2 2607 Siskiyou Oak Knoll ranger station, Klamath River; Mt. Diablo Mer. 671 Comment
  CAS-BOT-BC343427  Madia gracilis Lewis S. Rose 1937-7-3 37391 Siskiyou Black Butte, N. of Mt. Shasta City 1005 Comment
  CAS-BOT-BC343432  Madia gracilis John Thomas Howell 1937-7-22 13320 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC343440  Madia gracilis Wm. Bridge Cooke 1938-8-5 11440 Siskiyou Mount Shasta. MacBride Springs Comment
  POM267999  Madia gracilis subsp. gracilis W. Bridge Cooke 1938-8-5 11440 Siskiyou MacBride Springs, Mount Shasta 1524 Comment
  POM266582  Mahonia aquifolium Lester Rowntree 1932-8-2 s.n. Siskiyou Happy Camp Rd. Comment
  RSA12611  Mahonia aquifolium C. B. Wolf 1934-7-5 5974 Siskiyou 4 7/10 mi. from Oak Knoll R.S. on Klamath River, on rd. to Dry Lake Lookout, Siskiyou Mts. 1220 Comment
  RSA238989  Maianthemum racemosum Frederick W. Oettinger 1966-6-27 29 Siskiyou 400 yeards up road from Crawford Creek Guard Station, Salmon River District, Klamath National Forest, Cecilville Comment
  HSC68441  Maianthemum racemosum subsp. amplexicaule Maralyn A. Renner 1980-7-4 1388 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  CAS-BOT-BC514180  Maianthemum stellatum John Thomas Howell 1937-7-25 13463 Siskiyou Caribou Basin, Salmon-Trinity Alps Comment
  CAS-BOT-BC514184  Maianthemum stellatum J. M. Tucker 1963-7-5 3702 Siskiyou Blake's Fork of South Russian Creek (a tributary of the Salmon River), 7 miles (airline) east of Sawyer's Bar, Salmon Mountains 1615 Comment
  UCSB24986  Maianthemum stellatum Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp 1402 Comment
  SEINET11601695 Image available Malacothrix sonchoides G. D. Butler 1910-6-4 1491 Siskiyou Shackleford Creek Comment
  POM211273  Marsilea vestita L. C. Wheeler 1934-10-14 3323 Siskiyou Siskiyou Mountains; Shasta River 2 miles below Yreka Creek. Mt. Diablo Meridian 671 Comment
  CHSC71583  Medicago lupulina Vernon H. Oswald; Lowell Ahart 1998-8-3 9416 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 41N10. Roadside. 1554 Comment
  JEPS69296  Melica aristata Geo. D. Butler 811 Siskiyou Highland Mine 1828 Comment
  SJSU6513  Melica aristata R. W. Trivelpiece 1972-6-14 112 Siskiyou Vann Creek near Bear Peak c. 15 mi SW of Happy Camp 1341 Comment
  UC722541  Melica bulbosa C. L. Hitchcock and J. S. Martin 1939-7-9 5311 Siskiyou between King's Castle and Black Mt. (w side of ridge) 1828 Comment
  UC618638  Melica californica W. Bridge Cooke 1938-7-15 11267 Siskiyou Wagon Camp; Mt Shasta 1737 Comment
  UC673173  Melica californica Lincoln Constance and Reed C. Rollins 1942-5-14 2934 Siskiyou 6 mi n Yreka (Shasta River); Klamath-Siskiyou Region 762 Comment
  CHSC61579  Melica fugax L. P. Janeway 1983-8-28 630 Siskiyou Siskiyou Mountains; at Poker Flat, western side of meadow. 1524 Comment
  POM198426  Melica fugax Geo D. Butler 1910-4-19 1196 Siskiyou Near Yreka. Comment
  HSC42962  Melica harfordii J. O. Sawyer, K. T. Stillman 1976-5-30 2758 Siskiyou Along Specimen Creek. 915 Comment
  CHSC71485  Mentha canadensis Vernon H. Oswald; Lowell Ahart 1998-7-21 9323 Siskiyou Hwy. 97 between Weed and Macdoel at the west end of Grass Lake. Along the edge of the marsh. 1524 Comment
  JEPS48636  Mentzelia dispersa Geo. D. Butler 1909-6-12 906 Siskiyou McAdams Creek Comment
  UCR143059  Mentzelia dispersa L. C. Wheeler 1934-7-5 2884 Siskiyou Siskiyou Mtns., Hungry Creek 976 Comment
  POM83508  Mentzelia dispersa Geo. D. Butler 1909-6-12 906 Siskiyou McAdams Creek. Comment
  UC1980551  Mentzelia laevicaulis C. Rose Broome, James L. Reveal, Darin Reveal, Crissie Cagle 1978-8-6 2323 Siskiyou CA highway 96, 0.8 mi. W of Hamburg, at Mill Creek, opposite the highway from the Klamath River. Comment
  CAS-BOT-BC428550  Micranthes aprica A. A. Heller 1915-7-15 12081 Siskiyou Mt. Eddy 2072 Comment
  CAS-BOT-BC428554  Micranthes aprica Lester Rowntree 1936-7-16 s.n. Siskiyou Trinity Mts. Divide Comment
  CAS-BOT-BC428983  Micranthes ferruginea John Thomas Howell 1937-7-24 13393 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  SJSU2555  Micranthes odontoloma H. L. Buckalew 1962-7-9 Siskiyou near Poker Flat c. 4 mi W of junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts 1219 Comment
  CAS-BOT-BC349376  Microseris nutans Elmer I. Applegate 1935-6-8 9417 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  CAS-BOT-BC349378  Microseris nutans Ira L. Wiggins 1955-7-27 13520 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC837  Microseris nutans William J. Ferlatte 1967-7-9 694 Siskiyou Kidd Creek Trail 1982 Comment
  SJSU6479  Microseris nutans R. W. Trivelpiece 1972-6-9 93 Siskiyou c. 4 mi E of Grass L 1524 Comment
  UC128870  Microseris nutans Harley P. Chandler June, 1901 1721 Siskiyou near Marble Mountain; North Coast Ranges, Shackleford Canyon 1828 Comment
  HSC30212  Microsteris gracilis William J. Ferlatte 1968-6-8 1135 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  HSC36821  Microsteris gracilis J. P. Smith 1974-5-25 7640 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC46054  Microsteris gracilis Maralyn O'Meara 1974-5-25 421 Siskiyou On Rd. 8, ~4.7 mi. W of junction with Hwy. 3 1159 Comment
  UCD122135  Mimulus alsinoides Sandy Holloway 1963-4-11 35 Siskiyou Indian campground, Clement's Ranch, ca. 4 miles northwest of Montague. 762 Comment
  UC446430  Mimulus arvensis T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  JEPS80485  Mimulus breweri W. B. and V. G. Cooke 1970-7-21 42678 Siskiyou Horse Camp Mt. Shasta Comment
  HSC22473  Mimulus breweri J. O. Sawyer 1969-7-1 994 Siskiyou SE slope above Paynes Lake Creek 1921 Comment
  UC609342  Mimulus guttatus Eleanor Burks Hart 1938-8-25 947 Siskiyou Upper Wright Lake 2225 Comment
  RSA237552  Mimulus guttatus Frederick W. Oettinger 1966-8-7 46 Siskiyou Stream from spring at Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  UC917313  Mimulus inodorus R. Tofsrud and J. M. Tucker 1948-8-3 1778 Siskiyou 3 mi (by road) below summit Happy Camp to Waldo (Oregon) road Comment
  SEINET515851  Mimulus mephiticus Vernon Oswald 1997-7-28 8774 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi. S of Medicine Lake. 1366 Comment
  UC125269  Mimulus microphyllus Harley P. Chandler June 1901 1694 Siskiyou near Marble Mountain; North Coast Ranges 1524 Comment
  JEPS10936  Mimulus moniliformis Willis L. Jepson Jul 24 1894-Aug 10 1894 43 m Siskiyou near Sisson; Upper Sacramento Region Comment
  JEPS82495  Mimulus moniliformis Gilbert Muth 1965-8-3 153 Siskiyou Marble Valley Marble Mt. Wilderness Area 1792 Comment
  HSC29405  Mimulus moschatus Frederick W. Oettinger 1968-8-11 478 Siskiyou High Lake Basins: just below spring at Tom Taylor Cabin 2049 Comment
  RSA183419  Mimulus moschatus J. M. Tucker, L. K. Mann 1963-7-4 3690 Siskiyou Beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. Comment
  HSC90993  Mimulus nanus Jennifer Whipple 1976-7-1 1229 Siskiyou Near Little Crater Lake 2195 Comment
  JEPS69753  Mimulus nanus var. nanus W. B. and V. G. Cooke 1972-6-30 45418 Siskiyou above Andesite crossing (near Military Pass Road); Mt. Shasta Comment
  UC725906  Mimulus pilosus A. A. Heller 1938-7-13 15267 Siskiyou 1 mi s Bray 1402 Comment
  UC535784  Mimulus primuloides Elmer I. Applegate 1923-8-17 3833 Siskiyou w end Medicine Lake Comment
  RSA666377  Mimulus primuloides var. linearifolius Barbara J. Ertter, Julie Kierstead, James Nelson 1990-7-15 9354 Siskiyou Morgan Meadows on east side of Mount Eddy about 5 air miles due west of Mount Shasta City. 1677 Comment
  HSC36422  Mimulus primuloides var. primuloides J. O. Sawyer 1969-8-4 1822 Siskiyou Above Sugar Lake 2134 Comment
  HSC434  Mimulus tilingii William J. Ferlatte 1967-7-26 756 Siskiyou Caribou Basin, Sawtooth Ridge, steep, N-facing slope 2043 Comment
  UC1213802  Minuartia douglasii Jean Langenheim 1957-5-19 4347 Siskiyou intersection of Miner's Creek Rd and Tiger Creek Road Comment
  RSA576935  Minuartia douglasii L. C. Wheeler 1934-6-4 2640 Siskiyou Ridge E Negro Gulch off Klamath River; Siskiyou Mts. 1067 Comment
  CAS-BOT-BC174731  Minuartia nuttallii Doris K. Kildale 1929-8-24 8817 Siskiyou Preston Peak 2225 Comment
  HSC52816  Minuartia nuttallii subsp. gregaria Marvin Butler 1971-7-5 1 Siskiyou Near El Capitan Lake 1738 Comment
  POM151712  Minuartia nuttallii subsp. gregaria E. B. Copeland 1903-9-7 3870 Siskiyou Mt. Eddy. 2317 Comment
  UCD63244  Minuartia nuttallii subsp. gregaria Daniel Sanchez-Mata; Tomas Santamaria 2006-7-26 s.n. Siskiyou Weed. Rail Creek Road from Gazelle-Callahan Road. Kangaroo Lake. Kangaroo Lake Botanical Area. Scott Mountains, Klamath National Forest. 1900 Comment
  HSC104140  Minuartia rubella Dana York 2011-8-13 3067 Siskiyou Klamath National Forest, Marble Mountain Wilderness, 230 m W-SW of Black Marble Mountain 2220 Comment
  CAS-BOT-BC229612  Mirabilis greenei L. E. Smith 1912-8-1 s.n. Siskiyou Hornbrooke Comment
  SEINET843661  Mirabilis greenei Rachel Levin 1998-1 98- 4 -B Siskiyou On Copco Rd, 2.4-5 mi from junction with I-5. As head east towards the Copco Dam, plants on left side of road. Comment
  SEINET3149779  Mirabilis greenei G. E. Pilz 1972-5-29 800 Siskiyou Collected 4 mi N of Yreka 700 Comment
  RSA468283  Mitella Louis C. Wheeler 1934-6-19 2737 Siskiyou North Hungry Creek. Siskiyou Mtns. 1098 Comment
  CAS-BOT-BC433018  Mitella diversifolia Antone Q. Soares 1922-6-1 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC433075  Mitella trifida John Thomas Howell 1939-8-3 14977 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC433073  Mitella trifida Doris K. Kildale 1928-7-4 5478 Siskiyou 3 miles west of summit on road from Sawyers Bar to Etna Mills Comment
  HSC68447  Moehringia macrophylla Maralyn A. Renner 1980-6-26 1215 Siskiyou SE edge of Flint Valley. 1390 Comment
  CAS-BOT-BC435053  Mollugo verticillata Doris K. Kildale 1928-7-25 5883 Siskiyou Klamath River at Mack's Creek near Hamburg 457 Comment
  JEPS84202  Monardella L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6296 Siskiyou just s State line (Indian Creek Road from Takilma to Happy Camp) 1420 Comment
  HSC58927  Monardella glauca Marvin Butler 1971-8-20 170 Siskiyou Near El Capitan, close to the town of Cave Junction 1585 Comment
  SBBG6452  Monardella odoratissima H. and M. Dearing 1939-7-2 3798 Siskiyou Etna-Salmon divide 1828 Comment
  RSA264973  Monardella odoratissima subsp. glauca G. L. Clifton 1975-7-28 7219 Siskiyou Near Cook and Green Pass near the Seiad Valley. 1646 Comment
  UC54605  Monardella odoratissima subsp. glauca H. M. Hall and E. B. Babcock June 1903 4057 Siskiyou Sisson Sierra Nevada Mts., Mt. Shasta, Sisson 1036 Comment
  UC215539  Monardella odoratissima subsp. pallida A. A. Heller 1915-8-26 12230 Siskiyou North side of Mt. Eddy 1981 Comment
  CAS-BOT-BC220359  Monardella odoratissima subsp. pallida Wm. Bridge Cooke 1938-8-21 11544 Siskiyou Horse Camp Flats Comment
  RSA211083  Monardella odoratissima subsp. pallida William J. Ferlatte 1966-8-5 339 Siskiyou Caribou Mtn., Open granite slopes and ridges. Near summit. 2470 Comment
  UCSB63904  Monardella odoratissima subsp. pallida Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou Forest Route 56 (42N56) 3.7 mi east of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave: T42N R4E NE1/4 NE1/4 Sect. 6, Yellow Pine Forest 1755 Comment
  JEPS80548  Monardella purpurea Gilbert Muth 1965-8-12 209 Siskiyou Black Mountain, below summit rock Marble Mt. Wilderness Area 2072 Comment
  UC456091  Monardella villosa subsp. villosa I. J. Condit 1911-7-13 Siskiyou Along R. R. Dunsmuir Comment
  HSC73382  Montia chamissoi Doug Renwick, Robert Kirkpatrick 1981-5-30 160 Siskiyou 3 mi. from Hwy. 3 on FS Rd. 40N22 1220 Comment
  RSA29914  Montia fontana L. C. Wheeler 1935-4-13 3415 Siskiyou Siskiyou Mountains: Seiad Creek, Klamath River. 426 Comment
  CAS-BOT-BC445208  Montia parvifolia C. L. Hitchcock; J. S. Martin 1939-7-7 5288 Siskiyou Sanger Peak 1780 Comment
  UC1190110  Montia parvifolia Ira L. Wiggins 1955-7-27 13524 Siskiyou Salmon-Trinity Alps Primitive Area, Caribou Lake Caribou Lake; Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  CAS-BOT-BC445206  Montia parvifolia H. A. Thomas; J. H. Thomas 1954-7-27 4549 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. South side of South Fork of Salmon River in vicinity of Blind Horse Creek and area 1 mile to SE. Right along Salmon River 975 Comment
  HSC30608  Muhlenbergia filiformis Frederick W. Oettinger 1969-9-1 1575 Siskiyou Margin of Katherine Lake, Salmon Mountains. 2027 Comment
  CAS-BOT-BC275336  Muhlenbergia jonesii Ralph K. Gierisch 1968-8-6 3365 Siskiyou Elk Flat, Shasta - Trinity Forest 1310 Comment
  CAS-BOT-BC275340  Muhlenbergia jonesii W. B. C. 1938-7-29 11401 Siskiyou Above Bear Springs Comment
  CAS-BOT-BC275338  Muhlenbergia jonesii A. A. Heller 1922-7-16 13719 Siskiyou Near Pilgrim Creek forest nursery, near Mount Shasta Comment
  RSA576952  Myosurus Louis C. Wheeler 1934-7-2 2840 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts. 1280 Comment
  JEPS69760  Nama densa W. B. and V. G. Cooke 1972-6-30 45415 Siskiyou Military Pass Road above Andesite Crossing (Mt. Shasta); , above Andesite Crossing Comment
  HSC58938  Narthecium californicum Marvin Butler 1971-7-28 219 Siskiyou Near El Capitan 1524 Comment
  HSC82353  Narthecium californicum Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4524 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  HSC91988  Narthecium californicum Jennifer Whipple 1976-7-24 1564 Siskiyou SW of Dobkins Lake along the drainage into the lake 2226 Comment
  HSC62452  Navarretia capillaris Ruby Van Deventer 1959-7-9 Siskiyou Twin Valley. 1524 Comment
  HSC30634  Navarretia divaricata Frederick W. Oettinger 1969-7-28 1091 Siskiyou Marble Mtn. Wilderness Area, N of Pine Lake 2012 Comment
  POM75694  Navarretia intertexta Geo D. Butler 1910-7-20 1730 Siskiyou Goosenest foothills. 1524 Comment
  RSA600383  Navarretia sinistra L. C. Wheeler 1934-6-22 2771 Siskiyou Siskiyou Mountains: Cottonwood Creek, Mt. Diablo Mer. 1006 Comment
  UC164096  Navarretia tagetina Geo. D. Butler 1910-7-20 1730 Siskiyou Goosenest foothills Goosenest 1524 Comment
  CAS-BOT-BC219529  Nemophila parviflora Clarence R. Quick 1959-6-19 59 -15 Siskiyou 6,7 [6.7?] miles south of Four Corners on ridge south-east of Seiad Valley Comment
  HSC22175  Nemophila parviflora var. austiniae J. O. Sawyer 1969-7-16 1150 Siskiyou W of Waterdog Lake 2073 Comment
  HSC67946  Nicotiana attenuata J. P. Smith, Steve Selva 1970-7-16 4387 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  UC904783  Nicotiana attenuata unknown 1949-8-26 25656 Siskiyou near Bolam Station (along old logging road); Mount Shasta Comment
  HSC20458  Nicotiana attenuata D. M. Thomson 1965-8-4 163 Siskiyou Lava Beds National Monument, Black Crater trail, close to main road Comment
  CAS-BOT-BC60590  Noccaea fendleri subsp. glauca Ira L. Wiggins 1950-5-28 12359 Siskiyou Margins of Carmen Lake, about 1.5 mile east of Scott Mountain road. 1737 Comment
  HSC25493  Noccaea fendleri subsp. glauca J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5720 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  HSC77069  Noccaea fendleri subsp. glauca K. T. Stillman 1976-6-26 113 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  CAS-BOT-BC210244  Nothochelone nemorosa Dana York 2011-9-9 3101 Siskiyou Marble Mountain Wilderness. Klamath National Forest, boundary of Marble Mountain Wilderness adjacent to Isinglass Lake 1990 Comment
  HSC19138  Nothochelone nemorosa J. O. Sawyer 1969-8-4 1849 Siskiyou S of Sugar Lake 2134 Comment
  RSA739824  Nothochelone nemorosa D. Kelch 2007-7-25 7 -495 Siskiyou Indian Creek Road, just S of Greyback Summit. 1304 Comment
  UC164292  Nothochelone nemorosa Geo. D. Butler 1908-8-8 427 Siskiyou at head of West Fork Wooley Creek, s of lake West Fork Wooley Creek Comment
  HSC19126  Nothochelone nemorosa J. O. Sawyer 1969-6-12 885 Siskiyou N-facing slope above Sugar Creek 2000 Comment
  HSC76727  Nothochelone nemorosa K. T. Stillman 1976-8-8 396 Siskiyou Marble Mountain Wilderness Area. Trail to jump off to Paradise Lake. Comment
  RSA215645  Nothochelone nemorosa Gilbert Muth 1969-8-6 1198 Siskiyou Boulder Peak. 2530 Comment
  SD88339  Nothochelone nemorosa Darley F. Howe 1972-7-7 Siskiyou 1.4 miles south of Oregon state line on road to Happy Camp 1646 Comment
  UCD110223  Notholithocarpus densiflorus var. echinoides B. Crampton 1956-8-21 3850 Siskiyou Canyon of the Sacramento River just the junction of the North Fork with Middle and South Forks, southwest of Mt. Shasta City. 1066 Comment
  CAS-BOT-BC400117  Nuphar polysepala Doris K. Kildale 1928-8-20 6598 Siskiyou Lily Pad Lake on trail to Marble Mountain near Hancock Lookout 2133 Comment
  CAS-BOT-BC140349  Oemleria cerasiformis Doris K. Kildale 1929-4-27 7506 Siskiyou Cecilville Comment
  HSC36695  Oemleria cerasiformis Brent Whitely 1975-6-21 9 Siskiyou 223 Comment
  HSC41047  Oemleria cerasiformis J. O. Sawyer 1970-3-4 2066 Siskiyou N of Idlewild Campground 762 Comment
Read comments
Mar 12 2012
  RSA15589  Oenothera villosa subsp. strigosa Carl B. Wolf 1927-8-27 1132 Siskiyou On the Klamath River. 7 miles below Happy Camp. Comment
  CAS-BOT-BC355599  Oreostemma alpigenum var. andersonii David D. Keck 1949-7-20 6362 Siskiyou Meadow at Scott Mountain summit, at Trinity County line 1633 Comment
  HSC68168  Oreostemma alpigenum var. andersonii J. P. Smith, Steve Selva 1970-7-18 4499 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  JEPS123404  Oreostemma alpigenum var. andersonii Julie Kierstead Nelson with Don Lepley, Rhonda Posey 2015-8-13 2015 -123 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. Comment
  UC923119  Orogenia fusiformis Freed W. Hoffman 1950-7-13 3288 Siskiyou western Baldy Lookout North Coast Ranges, Baldy Lookout Comment
  JEPS30255  Orogenia fusiformis Al Hobart 1963-6-8 Siskiyou extreme n.w. Siskiyou co., Siskiyou Mts., Poker Flat 1536 Comment
  UC166594  Orthilia secunda Geo. D. Butler 1908-8-4 57 Siskiyou Head of Shackleford Creek Comment
  CAS-BOT-BC266617  Orthocarpus cuspidatus Geo. D. Butler 1910-6-19 1584 Siskiyou Goosenest foothills Comment
  UC1409423  Orthocarpus cuspidatus subsp. copelandii Frederick W. Oettinger and R. F. Thorne 1969-8-6 1295 Siskiyou (high lake basins in vicinity of English Peak) English Lake Region; Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  SFV8548  Osmorhiza purpurea J. M. Tucker, L. K. Mann 1963-7-5 3700 Siskiyou Salmon Mountains. On Blake's Fork of South Russian Creek (a tributary of Salmon River), about 7 miles (airline) east of Sawyer's Bar. 1616 Comment
  CAS-BOT-BC413214  Oxyria digyna Gilbert J. Muth 1969-8-6 1225 Siskiyou Boulder Peak Ridge Comment
  HSC92968  Oxyria digyna Jennifer Whipple 1976-7-25 1574 Siskiyou N face of Mt Eddy 2378 Comment
  HSC68993  Packera macounii Maralyn A. Renner 1980-7-28 2168 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  CAS-BOT-BC317135  Packera streptanthifolia var. streptanthifolia A. Heller 1905-6-20 8076 Siskiyou Gazelle, Siskiyou county Comment
  CAS-BOT-BC28830  Paeonia brownii William Bridge Cooke 1938-7-15 11261 Siskiyou Around upper end of Wagon Camp 1737 Comment
  POM149889  Paeonia brownii Geo. D. Butler 1910-4-23 1229 Siskiyou Quartz Valley. Comment
  UCSC004597  Panicum capillare Randall Morgan 2004-8-3 4273 Siskiyou Castle Crags State Park, Sacramento River Comment
  JEPS83884  Parnassia californica Wayne Roderick July 1976 Siskiyou vicinity of Cook and Green Pass (along trail to Lily Pad Lake, Siskiyou Mountains); Siskiyou Mountains 1706 Comment
  HSC29457  Parnassia palustris Frederick W. Oettinger 1968-8-3 377 Siskiyou Marble Mountain Wilderness, base camp near Diamond Lake. 2012 Comment
  RSA47986  Paxistima myrsinites Roxana S. Ferris, Laura Lorraine 1948-6-12 11772 Siskiyou About 7 miles from Etna on forks of Salmon Road. 1819 Comment
  UC1190160  Paxistima myrsinites Ira L. Wiggins 1955-7-24 13487 Siskiyou ridge between upper reaches of China Creek and Blind Horse Creek 1463 Comment
  UC1408910  Paxistima myrsinites Frederick W. Oettinger 1968-9-3 687 Siskiyou pond above Horse Range Lake (due w. of Horse's Hole); Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1981 Comment
  JEPS124778 Image available Paxistima myrsinites P. L. Billings 1965-7-12 116 Siskiyou Fowlers Campground near McCloud on the McCloud River 1 mi. from Hwy 89. Comment
  HSC4827  Pedicularis contorta J. O. Sawyer 1968-7-23 586 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  UC1409424  Pedicularis contorta Frederick W. Oettinger 1968-8-22 599 Siskiyou ridge below Diamond Lake on way to English Peak (High Lake Basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2225 Comment
  RSA238819  Pedicularis contorta Frederick W. Oettinger 1967-7-26 202 Siskiyou SSE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC228584  Pedicularis densiflora Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-18 1924 Siskiyou The Eddys Region, Shasta-Trinity National Forest. Gumboot Lake, headwaters of the Sacramento River 1836 Comment
  UC1733690  Pedicularis densiflora Frank Gould, Kay H. Beach 1940-5-16 1242 Siskiyou Bald Mt. Comment
  RSA238827  Pedicularis flavida Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1269 Siskiyou Southeast of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  UCD123373  Pedicularis groenlandica J. M. Tucker; D. V. Hemphill 1974-7-26 4293 Siskiyou Let 'Er Buck Meadows, ca. 0.5 mile southeast of Haypress Meadows, Marble Mountain Wilderness Area. 1432 Comment
  JEPS84183  Pedicularis racemosa L. R. Heckard with J. Hickman et al. 1986-7-17 6535 Siskiyou se of Condry Mountain (road end area and camp overlooking s end of Alex Hole); Alex Hole 1980 Comment
  UC922343  Pedicularis racemosa Annie M. Alexander and Louise Kellogg 1949-7-22 5848 Siskiyou above lake under Mount Hemlock (at Sky High Valley); Marble Mountains, Paradise Lake 1920 Comment
  UC812362  Pellaea brachyptera Louis C. Wheeler 1934-8-30 3227 Siskiyou Trapper Creek; Siskiyou Mts 1371 Comment
  CAS-BOT-BC67668  Pellaea breweri Geo. D. Butler 1908-8-8 240 Siskiyou Marble Valley Comment
  UC71515  Pellaea breweri Harley P. Chandler June, 1901 1660 Siskiyou Marble Mt; North Coast Ranges 2438 Comment
  JEPS7204  Penstemon anguineus W. L. Jepson 1937-7-30 18537 Siskiyou near Poker Flat summit; Siskiyou Mts., nr Poker Flat summit 1584 Comment
  JEPS82131  Penstemon anguineus Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7290 Siskiyou Poker Flat 1536 Comment
  UC922561  Penstemon anguineus Annie M. Alexander and Louise Kellogg 1948-9-9 5597 A Siskiyou trail to Taylor Lake Siskiyou Mountains, trail to Taylor Lake Comment
  RSA17739  Penstemon cinereus Elmer I. Applegate 1935-6-5 9344 Siskiyou Skull Cave, Lave Beds National Monument. Comment
  UC1187077  Penstemon cinereus David D. Keck 1940-6-13 5174 Siskiyou 9 mi s Macdoel (on U.S. 97 between Dorris and Weed); s of Macdoel, btw Dorris and Weed 1463 Comment
  UC1238935  Penstemon cinereus Freed W. Hoffman 1948-7-12 2456 Siskiyou Little Shasta River 22.8 mi e Montague (Lava Flow); North Coast Ranges, Little Shasta River, Lava flow 1584 Comment
  HSC69367  Penstemon cinicola J. O. Sawyer, J. Cole 1980-7-20 3782 Siskiyou S of Grouse Hill, at N base of Badger Peak 2146 Comment
  HSC75654  Penstemon cinicola J. O. Sawyer, R. J. Cole 1980-7-21 3710 Siskiyou W end of Medicine Lake Comment
  UC1586909  Penstemon cinicola Juha Pykala and D. H. Norris 1987-7-8 2423 Siskiyou s and w sides of lake, between lake and road Little Medicine Lake 2040 Comment
  HSC60464  Penstemon davidsonii Carl Wishner 1978-7-19 548 Siskiyou Sandy Ridge trail 11W21 above Monument Lake, Marble Mtn. Wilderness 1768 Comment
  CAS-BOT-BC265375  Penstemon davidsonii var. davidsonii Marion Ownbey; Fred G. Meyer 1940-7-4 2185 Siskiyou On ridge above head of Brewer Creek, E side of Mount Shasta Comment
  POM299522  Penstemon davidsonii var. davidsonii Marion Ownbey, Fred G. Meyer 1940-7-4 2185 Siskiyou On ridge above head of Brewer Creek, east side of Mt. Shasta. Comment
  CDA41876  Penstemon deustus T. C. Fuller 1962-6-11 8953 Siskiyou East side of Highway 99 to Weed, 0.7 mile north of Black Butte Summit. 0 Comment
  RSA1907  Penstemon deustus subsp. deustus Carl B. Wolf 1930-10-23 1758 Siskiyou Along the Klamath River, 2 mi. below Browns Resort. 305 Comment
  RSA11918  Penstemon deustus subsp. heterander Elmer I. Applegate 1932-6-13 7243 Siskiyou Captain Jack's Stronghold, Modoc Lava Beds Comment
  UC1177927  Penstemon deustus var. pedicellatus Francia Chisaki and Gene B. Newcomb 1958-6-22 1155 Siskiyou at base of Black Butte just e Highway #99; at base of Black Butte Comment
  CHSC1862  Penstemon gracilentus V. Holt 1932-7-23 Siskiyou Mt. Shasta Flats. 1219 Comment
  JEPS11266  Penstemon gracilentus W. L. Jepson 1894-8-4 21430 Siskiyou half-way up Mt. Shasta between Sisson sta. and Horse Camp; half-way up Mt. Shasta btw Sisson sta. and Horse Camp Comment
  RSA739774  Penstemon gracilentus L. P. Janeway, B. Castro 2007-7-28 9129 Siskiyou High Cascade Range, Medicine Lake Highlands, just N of the N edge of Medicine Lake Glass Flow. 2109 Comment
  UCSB27392  Penstemon gracilentus Wilken, Dieter 1969-7-26 Siskiyou Summit of Mt. Shasta Ski Bowl Road; south slope of Mt. Shasta 2895 Comment
  RSA78949  Penstemon gracilentus E. K. Balls, Percy C. Everett 1952-10-12 18176 Siskiyou 3.1 mi W of Boundary, Lava Beds Nat'l Monument on road from Indian Well Ranger Station to Tenant. 1372 Comment
  SEINET5329750 Image available Penstemon heterodoxus var. shastensis G. Butler 1910-6-19 1591 Siskiyou Goosenest foothills 1524 Comment
  HSC36804  Penstemon laetus subsp. laetus J. P. Smith 1974-5-27 7633 Siskiyou Along FS Rd. 47N03 1280 Comment
  CHSC83277  Penstemon laetus var. sagittatus L. P. Janeway 2002-7-13 7646 Siskiyou High Cascade Range. Along a logging spur road 0.2 km southeast of Road 13 (Pilgrim Creek Road) 9.0 km northeast of the Military Pass Road (Road 19); 0.2 km north of Edison Creek. 1347 Comment
  UC1238952  Penstemon laetus var. sagittatus Freed W. Hoffman 1948-7-8 2566 Siskiyou on Klamath River road 19.7 mi e Happy Camp; North Coast Ranges, Klamath River Road Comment
  POM14640  Penstemon newberryi subsp. newberryi E. B. Copeland 1903-7-17 3510 Siskiyou Mt. Shasta 1829 Comment
  CAS-BOT-BC239334  Penstemon newberryi var. berryi L. E. Smith 1913-6-18 368 Siskiyou Road from Sisson to Castle Lake Comment
  JEPS74527  Penstemon newberryi var. berryi W. J. Ferlatte 1966-6-22 75 Siskiyou Josephine Lake Basin Trinity Alps 1676 Comment
  UCSB27383  Penstemon newberryi var. newberryi Wilken, Dieter 1969-7-26 Siskiyou Above summit of Mt. Shasta Ski Bowl Road; south slope of Mt. Shasta 3200 Comment
  CHSC96095  Penstemon parvulus L. P. Janeway 2006-7-4 8793 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  UC887236  Penstemon parvulus A. A. Heller 1916-7-22 12485 Siskiyou e side Mt. Eddy Comment
  RSA238767  Penstemon parvulus Frederick W. Oettinger 1968-8-16 539 Siskiyou west side of Red Hill near Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2058 Comment
  SEINET10865390  Penstemon parvulus F. Marion Ownbey, Ruth P. Ownbey 1938-7-19 Ownbey 1749 Siskiyou Rocky knoll, 2 1/2 mi nw of dry lake lookout, summit of the siskiyou mtns. Comment
  UC164349  Penstemon roezlii Geo. D. Butler 1908-6-28 431 Siskiyou Old mining dump near Oro Fino; Old mining dump near Oro Fino Comment
  UC335599  Penstemon roezlii J. G. Lemmon Sept. 1879 Siskiyou Mt. Shasta Comment
  UC335730  Penstemon roezlii J. G. Lemmon 1889-7-28 Siskiyou Mts. near Eddy Mt. (Shasta region); , Mts. near Eddy Mt. Comment
  NY650146  Penstemon roezlii E. L. Greene 1876-6-5 s.n. Siskiyou Comment
  CAS-BOT-BC239416  Penstemon rupicola Doris K. Kildale 1929-7-20 8577 Siskiyou East spur Preston Peak above Rockefeller Lake 1950 Comment
  JEPS69754  Penstemon speciosus W. B. and V. G. Cooke 1972-7-6 45458 Siskiyou along Mud Creek Dam Road (Mt. Shasta); , along Mud Creek Dam Road 1066 Comment
  SEINET10818555  Penstemon speciosus A. Arthur Heller 1928-6-9 Heller 14605 Siskiyou Gravelly places on the hills west of Yreka in the yellow pine belt. Type station. Comment
  SEINET3160574  Penstemon speciosus G. D. Butler 1910-5-18 1360 Siskiyou near Yuka Comment
  UC166021  Perideridia oregana Geo. D. Butler 1910-8-7 1822 Siskiyou Humbug Mountain 1219 Comment
  HSC77241  Perideridia oregana L. P. Janeway 1983-7-17 429 Siskiyou Near FS 18N33 about 3/4 mi. from the Grayback Rd. 1006 Comment
  JEPS121603  Perideridia parishii Jennifer Buck, Deborah Stout 2011-8-24 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys, near Toad Lake. Gently sloping open meadow within lodgepole pine forest on ultramafic soil. W aspect. Mount Eddy quadrangle. TL01A Comment
  JEPS22049  Perideridia parishii subsp. latifolia Rimo Bacigalupi with Reino and Aloha Alava 1958-9-2 6932 Siskiyou in meadow 1/4 mi n Scott Mtn. road summit (rd. from Callahan to Trinity Center) 1615 Comment
  RSA237647  Perideridia parishii subsp. latifolia Frederick W. Oettinger 1967-8-20 286 Siskiyou Just below Tom Taylor Cabin spring and in bordering wet meadows. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2050 Comment
  CAS-BOT-BC423346  Peritoma platycarpa Mrs. Brandegee No date on label s.n. Siskiyou Unspecified Comment
  CAS-BOT-BC423348  Peritoma platycarpa Geo. D. Butler 1910-5-11 1335 Siskiyou Shasta Valley Comment
  UC165414  Petasites frigidus var. palmatus Geo. D. Butler 1909-4-11 627 Siskiyou Shasta Springs Comment
  RSA0003820  Phacelia corymbosa W. L. Jepson 1914-8-14 6161 Siskiyou Dunsmuir. 671 Comment
  HSC130440  Phacelia greenei Thomas W. Nelson, Susan Erwin 2004-6-3 9221 Siskiyou Forest Service Rd. 40N08 at junction with FS Rd.44N44 1696 Comment
  JEPS109690  Phacelia greenei Dean W. Taylor 2002-6-10 18130 Siskiyou Scott Mountain, between Grouse Creek and Little Carmen Creek along Forest Road 40N40 1005 Comment
  RSA75594  Phacelia greenei Albert M. Vollmer, L Beane 1951-5-31 s.n. Siskiyou Scott Mountain. Comment
  UC796610  Phacelia greenei Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11718 Siskiyou Schoolhouse Hill e. fork of Scott River, Plowman's Valley (Noyes Valley) Comment
  UC54516  Phacelia hastata H. M. Hall and E. B. Babcock June, 1903 4111 Siskiyou Ash Creek Sierra Nevada Mountains, Mount Shasta 1524 Comment
  UC60950  Phacelia hastata subsp. compacta Geo. B. Grant September 1902 5126 Siskiyou Horse Camp Mount Shasta 2438 Comment
  HSC46179  Phacelia heterophylla subsp. virgata Jennifer Whipple 1977-4-30 1880 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  HSC77056  Phacelia heterophylla subsp. virgata K. T. Stillman 1976-8-7 187 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  JEPS81015  Phacelia heterophylla subsp. virgata J. P. Smith and Steve Selva 1970-6-15 Siskiyou 1 mi w junction Calif. 3 and Road 8 leading to Sugar Creek (sw of Callahan) 1158 Comment
  RSA170220  Phacelia heterophylla subsp. virgata W. L. Jepson 1940-6-23 19983 Siskiyou Two miles east of Montague. 823 Comment
  RSA74334  Phacelia linearis Milo S. Baker 1936-6-12 8282 Siskiyou Highway 97, about 42 miles north of Weed. Comment
  UCD120556  Phacelia linearis E. K. Balls 1950-5-17 14725 Siskiyou New Lava Flow, rd. from Schonchin Butte to Capt. Jack's Stronghold, Lava Beds Nat'l Monument. 1493 Comment
  UC1017763  Phacelia mutabilis C. L. Hitchcock 1954-6-22 20227 Siskiyou 1 mi w Somes Bar (on road to Camp Three) Comment
  UC1190246  Phacelia mutabilis Ira L. Wiggins 1955-7-29 13579 Siskiyou summit of ridge above Thompson Creek (trail to Caribou Lake) 1999 Comment
  JEPS25853  Phacelia mutabilis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7485 Siskiyou among rocks just below road summit of Cecilville-Callahan road (new at this time) (overlooking headwaters of S. Fk. of Scott River) 1880 Comment
  POM65547  Phacelia mutabilis E. B. Copeland 1903-8-16 3920 Siskiyou Mt. Shasta. Comment
  RSA238758  Phacelia mutabilis Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1208 Siskiyou Trail through Willow Springs between Abbotts Upper Cabin and English Lake. The High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1677 Comment
  UC1473424  Phacelia pringlei Gilbert Jerome Muth 1978-8-2 7340 Siskiyou near Cabin Meadow Creek (close to town of Callahan); China Mt. Quadrangle 1853 Comment
  RSA105482  Phacelia pringlei G. D. Barbe 1955-7-26 276 Siskiyou At a spring, north slope of Scott Mountain. 1829 Comment
  SD211619  Phacelia pringlei Barbara Ertter 1990-7-14 9338 Siskiyou Wagon Creek on East side of Mount Eddy, circa 4 airmiles West of Mount Shasta City, along creek, where several forks join before steep drop. 1829 Comment
  HSC62290  Phacelia procera Al Hobart 1969-8-8 Siskiyou Youngs Valley Comment
  RSA782332  Philadelphus californicus R. W. Spjut 2008-8-22 16437 Siskiyou Klamath Region. Klamath National Forest: Salmon Mountains, just west of Etna along road to Sawyer s Bar and Ruffey Creek 1063 Comment
  CAS-BOT-BC77421  Philadelphus lewisii Doris K. Kildale 1928-8-20 6636 Siskiyou North Fork Salmon River near Seiad at Finley Upper Camp Comment
  CHSC32702  Philadelphus lewisii J. P. Smith; Steve Selva 1970-6-14 3890 Siskiyou 1 mile east of Steinacher Creek road on road to Forks of Salmon. Comment
  RSA0057592  Philadelphus lewisii G. D. Barbe 1955-6-27 s.n. Siskiyou 0.8 mi north of Callahan in the dredgings near Hjertagers Mill. 976 Comment
  HSC76676  Phleum alpinum K. T. Stillman 1976-7-23 302 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  HSC92026  Phleum alpinum Jennifer Whipple 1976-7-8 1337 Siskiyou Mount Eddy. Comment
  JEPS94385  Phleum alpinum Vernon Oswald and Lowell Ahart 1997-7-28 8788 Siskiyou on road 43N54 at a meadow 0.6 mi se of Paynes Springs (se of Medicine Lake) 1920 Comment
  RSA467441  Phleum alpinum M. B. Dunkle 1945-7-24 9259 Siskiyou Klamath National Forest, Marble Mts. Comment
  UC602589  Phlox unknown 1938-6-24 11064 Siskiyou MacBride Springs Mt. Shasta 1524 Comment
  RSA74735  Phlox adsurgens Albert M. Vollmer, L. Beane 1951-6-2 75 Siskiyou Happy Camp, Klamath River Hwy. Comment
  UC643264  Phlox caespitosa unknown 1940-6-6 15050 Siskiyou along the Castle Lake Road Comment
  HSC44930  Phlox diffusa J. O. Sawyer 1978-6-21 3278 Siskiyou Marble Mtn. Wilderness Area, along trail N of Clear Lake 1951 Comment
  HSC4822  Phlox diffusa J. O. Sawyer 1968-7-22 556 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC92076  Phlox diffusa Jennifer Whipple 1976-6-12 979 Siskiyou SE slope of Mt. Eddy draining into the N Fork of the Sacramento River 2195 Comment
  SD114161  Phlox diffusa Darley F. Howe 1979-6-26 5110 Siskiyou Military Pass Road, 19 miles east of Highway 97. 1768 Comment
  HSC40274  Phlox diffusa J. D. Ackerman, A. M. Montalvo 1975-7-18 580 Siskiyou Gumboat Lake Comment
  POM75617  Phlox diffusa subsp. diffusa Geo D. Butler 1910-7-8 1688 Siskiyou Shakleford Creek 1372 Comment
  RSA120867  Phlox diffusa subsp. diffusa Wagnon 1957-8-11 1703 Siskiyou East slope of Mt. Shasta in meadow ca. 1 mile west of Military Pass Road along road to Brewer Cr. Comment
  RSA237978  Phlox diffusa subsp. subcarinata Frederick W. Oettinger 1968-8-19 586 Siskiyou English Peak Gap. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  UC1017713  Phlox douglasii subsp. rigida Marion Ownbey and Ruth P. Ownbey 1938-7-20 1762 Siskiyou near Dry Lake Lookout (summit of Siskiyou Mountains); Siskiyou Mountains Comment
  UC880423  Phlox douglasii subsp. rigida John Thomas Howell 1937-7-29 13663 Siskiyou Scott Mt., between Trinity and Siskiyou counties Scott Mt. Comment
  JEPS71104  Phlox gracilis George D. Butler 1909-4-18 625 Siskiyou near Yreka Comment
  UC880473  Phlox gracilis Frank W. Gould 1940-5-15 1249 Siskiyou on road from Mt. Hebron to Montague; Bald Mountain 1676 Comment
  UC164097  Phlox hirsuta Geo. D. Butler 1910-4-10 1165 Siskiyou near Yreka Comment
  UC23965  Phlox speciosa subsp. nitida C. B. Bradley 1879-1 Siskiyou Comment
  SFV1505  Phoenicaulis cheiranthoides D. Parker 1958-4-13 629 Siskiyou Near Callahan. 957 Comment
  CAS-BOT-BC135027  Phoradendron bolleanum Louis C. Wheeler 1934-6-26 2789 Siskiyou Hornbrook 731 Comment
  POM165888  Phoradendron densum E. B. Copeland 1903-7-7 3542 Siskiyou Hornbrook. Comment
  UCR143103  Phoradendron densum L. C. Wheeler 1934-6-26 2789 Siskiyou Siskiyou Mtns., Camp Lowe, Klamath River 765 Comment
  UCR168480  Phragmites australis L. C. Wheeler 1934-10-21 3335 Siskiyou Shasta Valley, 4 miles east of Grenada 869 Comment
  UC562495  Phyllodoce empetriformis Joseph P. Tracy 1935-8-1 14406 Siskiyou Rock Lake, at extreme head of West Fork of Knownothin Creek, between Salmon and New Rivers West Fork Knownothin Creek; Rock Lake, West Fork Knownothin Creek 1889 Comment
  UCD117722  Phyllodoce empetriformis K. F. Mawdsley 1996-7-9 12 a Siskiyou California, Siskiyou County. Russian Wilderness in Klamath NF. Along Little Duck Lake. 2036 Comment
  UCD19279  Phyllodoce empetriformis Julie Knorr 1980-7-15 66 Siskiyou 1 mi. up Houston Creek Trail above road, rocky outcrop above trail.. 1950 Comment
  RSA451847  Physocarpus capitatus J. P. Smith, Steve Selva 1970-8-7 4544 Siskiyou [Unspecified] Comment
  UC496180  Picea breweriana Elmer I. Applegate 1930-8-9 6600 Siskiyou headwaters of Applegate River; Siskiyou Mountains, Fruit Mountain Comment
  CAS-BOT-BC78168  Picea breweriana W. R. Dudley 1899-7-6 s.n. Siskiyou South slope Siskiyou near Big Meadow Comment
  NY30484  Picea breweriana P. Bennett 1928-7-11 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  HSC4808  Pinus albicaulis J. O. Sawyer 1968-7-9 753 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  CAS-BOT-BC78329  Pinus attenuata Doris K. Kildale 1928-8-21 6640 Siskiyou Big Creek - trail from Finley Camp to English Lake Comment
  HSC70593  Pinus balfouriana J. O. Sawyer, R. York 1981-8-21 224 Siskiyou Open ridges from Pacific Crest Trail to peak, Bulk Collection # 224 2324 Comment
  CAS-BOT-BC73180  Pinus jeffreyi Ranger K. Fox 1939-8-22 13876 Siskiyou Mount Shasta, along the Everett Memorial Highway. 1981 Comment
  HSC27950  Pinus lambertiana Carl W. Mize 1972-9-23 118 Siskiyou End of road 945 Comment
  HSC37526  Pinus lambertiana J. P. Smith 1974-5-25 7436 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  NY61612  Pinus lambertiana A. A. Heller 1915-8-26 12253 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  HSC49105  Pinus monticola Maralyn O'Meara 1972-9-14 114 Siskiyou Below trail to Yellow Rose Mine Comment
  HSC69037  Pinus monticola Maralyn A. Renner 1980-8-7 2368 Siskiyou Ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  SBBG349  Pinus monticola J. F. Davidson, J. M. Tucker 1947-5-17 1565 Siskiyou summit of Scott Mtn 2072 Comment
  SD76165  Pinus monticola Helen V. Witham 1969-10-6 555 Siskiyou Scott Mountains, steep west slope above Kangaroo Lake 2100 Comment
  RSA237359  Pinus washoensis Frederick W. Oettinger 1968-9-4 701 Siskiyou On a northwest-tending ridge from the peak between Abbotts Lake and Lake of the Island---just below the peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  JEPS64436  Piperia elongata W. L. Jepson 1894-7-1 21278 Siskiyou Sisson Comment
  UC79242  Plagiobothrys canescens Thomas Howell May 1889 1384 Siskiyou Hornbrook Comment
  JEPS19681  Plagiobothrys hispidus Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-25 5930 Siskiyou a few mi se Weed (just w of Black Butte railway junction (S P Shasta Route)) 1188 Comment
  JEPS107315  Plantago lanceolata Lowell Ahart, John Dittes 2005-6-10 12118 Siskiyou Near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  RSA412564  Plantago lanceolata Bonnie C. Templeton 1957-6-23 s.n. Siskiyou Along the Scott River, near Callahan. Comment
  JEPS74458  Platanthera leucostachys W. J. Ferlatte 1966-6-23 141 Siskiyou between campground and S. Fork of the Salmon R. (Trinity Alps, Big Flat); Trinity Alps, Big Flat 1524 Comment
  UC618671  Platanthera leucostachys W. Bridge Cooke 1938-9-8 11672 Siskiyou Squaw Creek Meadows Mount Shasta 2286 Comment
  HSC4862  Platanthera sparsiflora J. O. Sawyer 1968-6-25 323 Siskiyou Along Horse Range Creek 1829 Comment
  UC1045261  Platanthera sparsiflora W. Bridge Cooke 1940-7-7 15277 Siskiyou Wagon Camp Mount Shasta 1737 Comment
  SBBG30546  Plectritis congesta subsp. congesta D. Myrick 1968-6-25 2014 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk 1524 Comment
  CAS-BOT-BC244384  Poa annua Lewis S. Rose 1945-6-22 45177 Siskiyou Beaver Creek and Klamath River 548 Comment
  HSC92164  Poa bolanderi Jennifer Whipple 1976-9-4 1807 Siskiyou Dale Creek drainage on the N face of Mount Eddy. 2195 Comment
  CAS-BOT-BC254991  Poa bulbosa J. H. Thomas 1954-5-14 4168 Siskiyou Salmon Mountains, Klamath National Forest. Near S Fork of Salmon River, 5-9 miles SE of Cecilville, along N side of river 1219 Comment
  CAS-BOT-BC255002  Poa bulbosa Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53429 Siskiyou E side of Scott Valley, 10 miles S of Fort Jones on road to Callahan 853 Comment
  UC196960  Poa compressa Geo. D. Butler 1908-7-1 485 Siskiyou near Yreka Comment
  UC2046863  Poa cusickii subsp. cusickii R. E. Brainerd with N. Otting 2013-7-12 2179 Siskiyou Siskiyou County: Klamath Mountains. Marble Mountains Wilderness Area. Trail just above Upper Wright Lake. Comment
  UCD91090  Poa howellii A. A. Beetle 1942-5-31 3420 Siskiyou north of Willow Creek, 5 miles west of Gazelle. Comment
  CDA18410  Poa pratensis G. D. Barbe, T. C. Fuller & J. T. Howell 1980-4-29 2627 Siskiyou Klamath Ranges; 0.25 miles northeast of Oro Fino. 883 Comment
  CDA2362  Poa pratensis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2634 Siskiyou Between highway and East Fork Scott River, 150 meters east of Highway 3 bridge, 3.2 km east of Callahan. Comment
  CDA2367  Poa pratensis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2581 Siskiyou East of abandoned railroad station building and tracks, Grenada. Comment
  UCD90328  Poa secunda A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3414 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  HSC102658  Poa secunda subsp. juncifolia J. P. Smith 2009-6-1 12616 Siskiyou Road to Tenant. Comment
  HSC101468  Poa secunda subsp. secunda J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 13000 Siskiyou Along Gazelle-Callahan Road. Klamath National Forest 1708 Comment
  HSC31101  Poa secunda subsp. secunda Frederick W. Oettinger, R. F. Thorne 1969-8-6 1223 Siskiyou Marble Mtn. Wilderness Area, S side of Pine Lake. 1951 Comment
  HSC89533  Poa secunda subsp. secunda K. Berg, Stephanie Bennett 1986-8-25 650 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  UCD23603  Poa secunda subsp. secunda Geo. D. Butler 1910-4-30 1250 Siskiyou Yreka. Comment
  UCD77925  Poa secunda subsp. secunda Robert E. Preston 2002-6-20 1828 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope 1911 Comment
  CHSC4279  Poa trivialis D. Parker 1965-7-24 904 Siskiyou Cabin Meadow Creek, tributary of E Fork of Scott River. Comment
  HSC67787  Poa wheeleri J. O. Sawyer, J. Cole 1980-7-20 3755 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  JEPS40859  Poa wheeleri Paul C. Hutchison 1961-8-2 937 -A Siskiyou between top of ski lift and Panther Meadow; Mt Shasta 2621 Comment
  UCD52745  Podagrostis humilis Beecher Crampton 1956-8-22 3860 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2316 Comment
  SEINET13762989  Polemonium californicum G. D. Butler 1910-7-9 1717 Siskiyou Marble Mountain. 1829 Comment
  CAS-BOT-BC232899  Polemonium carneum Geo. D. Butler 1909-4-28 737 Siskiyou McAdams Creek Comment
  CAS-BOT-BC232900  Polemonium carneum Geo. D. Butler 1910-5-15 1344 Siskiyou McAdams Creek Comment
  UC52664  Polemonium occidentale subsp. occidentale W. C. Blasdale 1894-7-28 Siskiyou Sissons Comment
  JEPS69909  Polemonium pulcherrimum var. pilosum W. L. Jepson 1894-8-4 14998 Siskiyou Mt. Shasta; above snow line Comment
  UC137876  Polygala cornuta var. cornuta Wm. M. Canby 1897-9-7 17 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC170342  Polygala cornuta var. cornuta Annie M. Alexander; Louise Kellogg 1948-9-4 5581 Siskiyou On bank above road, half way between Somersbar and Forks of the Salmon, Salmon River - Siskyou Mountains Comment
  POM138560  Polygala cornuta var. cornuta Milo S. Baker 1897-1 167 Siskiyou Mayfield Road Comment
  RSA715950  Polygonum arenastrum L. Ahart 2005-6-10 12060 Siskiyou Near a poor dirt road 80 yards N of the pump house along the Shasta River, 1.9 miles air S of Hwy 99/97 Cutoff, 6 miles air E SE of Grenada. 777 Comment
  JEPS50521  Polygonum convolvulus W. L. Jepson July, 1894 14804 Siskiyou Sisson Comment
  CDA2794  Polygonum cuspidatum Don Shaw 1971-9-23 Siskiyou Alexander property, Slough Road, Edgewood. 0 Comment
  RSA184744  Polygonum davisiae Gilbert Muth 1966-7-14 392 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mountains. 1829 Comment
  UC558482  Polygonum davisiae W. B. Cooke 1936-8-9 7241 Siskiyou Panther Creek Meadows Mount Shasta (avalanche flat) 2286 Comment
  UC1034569  Polygonum davisiae Douglas Barbe 1955-7-26 284 Siskiyou Scott Mt. Klamath Mountains (small pond on n side, below summit) 1981 Comment
  RSA11902  Polygonum douglasii Elmer I. Applegate 1923-8-18 3885 Siskiyou Hoffman Mtn, Medicine Lake Comment
  UC1191241  Polygonum douglasii subsp. douglasii Herbert L. Mason 1948-7-17 13602 Siskiyou Eastern Grass Lake Comment
  UC1191243  Polygonum douglasii subsp. douglasii Herbert L. Mason 1948-7-17 13598 Siskiyou Eastern Grass Lake Comment
  UC61060  Polygonum douglasii subsp. douglasii W. A. Setchell, C. C. Dobie 1902-7-26 Siskiyou Sisson Mount Shasta Comment
  JEPS93857  Polygonum douglasii subsp. majus Vernon H. Oswald and Lowell Ahart 1998-6-11 9187 Siskiyou ne of Weed (2.2 mi ne of Lake Shastina-Big Springs Road, Shasta National Forest plantation on the w side of Highway 97); Shasta National Forest, Highway 97 1066 Comment
  CHSC45465  Polygonum douglasii subsp. spergulariiforme Lowell Ahart 1983-9-13 4411 Siskiyou Near the Highway 96, near the Klamath River, about 5 miles west of Interstate 5. 914 Comment
  UC375322  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 189 Siskiyou near Yreka Comment
  UCR66535  Polygonum minimum L. C. Wheeler 1934-8-13 3115 Siskiyou Johnson Dairy 1829 Comment
  RSA12617  Polygonum newberryi Carl B. Wolf 1934-7-5 5968 Siskiyou 3 6/10 mi. from Dry Lake Lookout on rd. to Horse Creek, Siskiyou Mts. 1982 Comment
  SEINET3160427  Polygonum nuttallii G. D. Butler 1910-7-31 1803 Siskiyou Yreka Comment
  CHSC71494  Polygonum polygaloides subsp. confertiflorum Vernon H. Oswald; Lowell Ahart 1998-7-21 9335 Siskiyou Northeast of Weed and east of Grass Lake at a gravel pit on the south side of Tennant Rd. 0.4 mi southeast of Old State Hwy. to Bray. 1402 Comment
  HSC30504  Polygonum shastense Frederick W. Oettinger 1969-9-3 1611 Siskiyou Marble Mtn. Wilderness Area, Shasta Ridge N below English Peak 2134 Comment
  SEINET3404056 Image available Polygonum shastense R. Tofsrud, J. M. Tucker 1948-8-2 1765 Siskiyou Panther Meadows, S slope of Mt. Shasta Comment
  POM144986  Polygonum shastense C. F. Baker 1903-8-16 3892 Siskiyou Mt Shasta 2439 Comment
  SBBG25881  Polygonum spergulariiforme D. Myrick 1966-8-8 1489 Siskiyou rd to Carter Ranch, Mountain Meadow Ranch, Big Flat 1584 Comment
  HSC17549  Polygonum spergulariiforme Geo. D. Butler 1908-9-6 198 Siskiyou Upper field, Butler's Ranch near Yreka Comment
  HSC76893  Polygonum spergulariiforme K. T. Stillman 1976-9-9 489 Siskiyou Marble Mtn. Wilderness Area; trail from jump off to Paradise Lake 1951 Comment
  POM104534  Polygonum spergulariiforme Geo. D. Butler 189 Siskiyou Dry hills near Yreka. Comment
  SBBG29117  Polygonum spergulariiforme L. C. Wheeler 1934-9-26 3303 Siskiyou Siskiyou Mtns; R8W, T$&N, S27 1005 Comment
  JEPS73742  Polypogon interruptus George D. Butler 1908-6-25 481 Siskiyou along creek Butler's Ranch near Yreka Comment
  UC166281  Polypogon interruptus Geo. D. Butler 1908-6-25 481 Siskiyou along creek near Yreka; near Yreka Comment
  UCR129386  Polystichum californicum L. C. Wheeler 1934-8-16 3172 Siskiyou Siskiyou Mtns., 2 miles east of White Mtn., Mt. Diablo Meridian 1921 Comment
  CAS-BOT-BC76729  Polystichum imbricans subsp. imbricans J. H. Thomas 1949-6-16 953 Siskiyou Klamath National Forest - 1/4 mile north of Beaver Creek Public Camp along Beaver Creek; 5 miles north of junction Comment
  CAS-BOT-BC72379  Polystichum lemmonii Louis C. Wheeler 1934-8-13 3114 Siskiyou East Fork Horse Creek, Siskiyou Mts. 1981 Comment
  CHSC31246  Polystichum lemmonii B. Williams 1980-8-27 385 Siskiyou Shasta Forest/Trinity NF Expt. Area. Mt. Eddy. Comment
  UC205092  Polystichum lemmonii A. A. Heller 1914-8-28 11739 Siskiyou e side Mt. Eddy 2286 Comment
  SEINET6409479  Polystichum lemmonii M. J. Williams 1967-9-2 s.n. Siskiyou Cabin Meadow 1829 Comment
  UC1949221  Polystichum lemmonii Barbara Ertter 1990-7-16 9374 Siskiyou NW side of Mt Eddy ca 8 airmiles SW of Weed, ca 1-2 mi from Parks Cr trailhead (= crest of Rt 17) along ridge Comment
  JEPS82492  Polystichum lonchitis Gilbert Muth 1965-8-3 161 Siskiyou <Pothole> in Marble Valley Marble Valley; Marble Mt. Wilderness Area Comment
  RSA693279  Polystichum lonchitis M. B. Dunkle 1945-8-7 9332 Siskiyou King's Casle. Marble Mtns, Klamath National Forest. Comment
  CAS-BOT-BC72517  Polystichum scopulinum Louis C. Wheeler 1934-8-26 3225 Siskiyou Trapper Creek, Siskiyou Mts. 1981 Comment
  UC366561  Polystichum scopulinum unknown 1878-7-12 Siskiyou near Shasta (Mt. Eddy) Comment
  HSC75254  Polystichum scopulinum J. O. Sawyer, M. Mesler 1980-8-12 4046 Siskiyou Lower W peak of Box Camp Mtn. Comment
  UC375241  Populus tremuloides Geo. D. Butler 1908-8-3 533 Siskiyou Log Lake , Shackleford Creek (Shackleford Creek) Comment
  HSC99280  Populus trichocarpa Frank T. Callahan May 2007 Siskiyou Moffett Creek Comment
  CHSC69075  Porterella carnosula Vernon Oswald; Lowell Ahart 1997-7-28 8806 Siskiyou Large, vernally flooded meadow on the east side of Forest Route 15, 10.9 mi north of Hwy. 89. 1383 Comment
  CDA17145  Potamogeton crispus G. F. Hrusa 2001-6-6 15859 Siskiyou Siskiyou Mountains; Klamath River, +/- 1.5 mi. E of Ft. Goff campground. 350 Comment
  CHSC32957  Potamogeton crispus J. P. Smith 1970-7-16 4380 Siskiyou Along Klamath River 2 miles west of Seiad Creek. 518 Comment
  CAS-BOT-BC452130  Potamogeton crispus L. P. Janeway 1984-6-21 852 Siskiyou West side Klamath River at Dillon Creek. 228 Comment
  UC637083  Potamogeton foliosus Edward Lee 1934-8-12 1238 Siskiyou near mouth of Walker Creek (s side of Klamath River, e end of Seiad Valley); Klamath River, Seiad Valley 426 Comment
  POM172662  Potamogeton illinoensis Geo D. Butler 1910-8-21 1853 Siskiyou Shasta River. Comment
  HSC61831  Potentilla breweri Ruby Van Deventer 1961-6-14 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC142032  Potentilla drummondii Doris K. Kildale 1928-8-19 6524 Siskiyou English Lake - head of north fork of Salmon River 1828 Comment
  UC1607535  Potentilla drummondii subsp. breweri Barbara Ertter with Julie Kierstead and Jim Nelson 1990-7-15 9365 Siskiyou Ca 1 mi E of Toad Lake at head of Middle Fork Sacramento River ca 8 air miles W of Mt Shasta City. 1981 Comment
  CAS-BOT-BC143255  Potentilla flabellifolia John Thomas Howell 1937-7-24 13398 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC18931  Potentilla flabellifolia J. O. Sawyer 1969-8-4 1820 Siskiyou Above Sugar Lake 2134 Comment
  HSC69361  Potentilla flabellifolia Maralyn A. Renner 1980-8-19 2487 Siskiyou S side of Caribou Lake 2104 Comment
  RSA105387  Potentilla flabellifolia G. D. Barbe 1955-7-6 127 Siskiyou SE end of Taylor Lake, Salmon Mtns. 1951 Comment
  CHSC88117  Potentilla glandulosa Jenny Marr 1993-7-1 127 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC61837  Potentilla gracilis Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  UC375387  Potentilla gracilis var. fastigiata Geo. D. Butler 1907-6-13 923 Siskiyou Near Oro Fino. Comment
  POM34598  Potentilla gracilis var. fastigiata Geo. D. Butler 1910-5-28 1419 Siskiyou Shasta Valley. Comment
  SEINET6637145  Potentilla gracilis var. fastigiata G. D. Butler 1910-5-28 1419 Siskiyou Shasta Valley Comment
  UC1409377  Potentilla gracilis var. fastigiata Frederick W. Oettinger 1969-7-31 1118 Siskiyou along trail midway between English Lake and drift fence (High Lake Basins in the vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area, W Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  UC60973  Potentilla gracilis var. flabelliformis Geo. B. Grant September 1902 5086 Siskiyou Sisson Mount Shasta, Sisson 914 Comment
  UC538009  Potentilla millefolia Leo Whitney 1934-6-10 3035 Siskiyou Tennant Dorris Quad., , Tennant (Antelope Creek) 1219 Comment
  RSA211268  Primula suffrutescens William J. Ferlatte 1966-8-17 399 Siskiyou Caribou Basin, Sawtooth Ridge. 2043 Comment
  CAS-BOT-BC516382  Prosartes hookeri Geo. D. Butler 1908-8-24 93 Siskiyou Eldridges Corral, Russian Creek Comment
  HSC18928  Prunella vulgaris subsp. lanceolata J. O. Sawyer 1969-8-5 1966 Siskiyou Along Sugar Creek. 1707 Comment
  JEPS124566 Image available Prunella vulgaris subsp. lanceolata Michael Fleschner 1965-7-14 1965 -141 Siskiyou 4 miles west of Deadhouse summit HWY 89. Comment
  RSA12572  Prunella vulgaris var. lanceolata Carl B. Wolf 1934-7-6 6014 Siskiyou 1/2 mile below Wagon Camp, S slope of Mt. Shasta 1524 Comment
  CAS-BOT-BC158213  Prunus emarginata Wm. Bridge Cooke 1938-6-17 11011 Siskiyou Sisson Southern Trail Comment
  CAS-BOT-BC158215  Prunus emarginata Roxana S. Ferris; Laura Lorraine 1948-6-12 11776 Siskiyou About 5.5 miles from Etna on forks of Salmon Road Comment
  HSC77117  Prunus emarginata K. T. Stillman 1976-6-25 95 Siskiyou Marble Mtn. Wilderness Area, between Marble Gap and Elk Valley Trail Comment
  RSA59511  Prunus emarginata E. K. Balls 1950-5-15 14701 Siskiyou Lava Beds National Monument, below Indian Well Public Camp. 1402 Comment
  UCSB62934  Prunus emarginata Sarr, Dan 1995-7-31 Siskiyou Upper falls of the McCloud River 950 Comment
  CAS-BOT-BC151234  Prunus virginiana var. demissa L. E. Smith 1912-7-1 s.n. Siskiyou Weed Comment
  CAS-BOT-BC151242  Prunus virginiana var. demissa Doris K. Kildale 1929-5-31 9125 Siskiyou Cecilville, South Fork Salmon River Comment
  CAS-BOT-BC151248  Prunus virginiana var. demissa C. B. Wolf 1931-9-2 2389 Siskiyou Near Fish Hatchery at Mt. Shasta City (Sisson) along edge of ditch. 1066 Comment
  CDA32663  Pseudoroegneria spicata F. D. Horn 1977-5-6 Siskiyou Highway 263, Shasta River Canyon near Yreka. 0 Comment
  HSC75250  Pseudostellaria jamesiana J. P. Smith, Steve Selva 1970-7-27 4512 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  RSA68884  Pseudostellaria jamesiana A. E. Culbertson 1943-7-2 72 Siskiyou Along Castle Lake road from town of Shasta, 6600ft eastern spur of Trinity Mts, 10 air miles from headwaters of Sacramento River to w and 12 miles SW of Mt Shasta 1219 Comment
  SEINET5337037  Pseudostellaria jamesiana G. Butler 1910-6-4 1493 Siskiyou Shackleford Creek. Comment
  UCD98436  Pseudostellaria jamesiana Dorothy Parker 1948-6-14 6 Siskiyou Rail Creek, Plowman's Valley. 1203 Comment
  HSC44886  Pseudotsuga menziesii var. menziesii Maralyn O'Meara 1974-5-25 398 Siskiyou Along road to Duck Lakes trail 1402 Comment
  CHSC71869  Psilocarphus brevissimus var. brevissimus Vernon H. Oswald; Lowell Ahart 1998-9-8 9603 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir. 1112 Comment
  JEPS24801  Psilocarphus brevissimus var. brevissimus Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6810 Siskiyou about 3 mi nw Weed (head of Shasta Valley); Shasta Valley 975 Comment
  HSC465  Pterospora andromedea William J. Ferlatte 1966-8-3 285 Siskiyou Josephine Lake basin 1677 Comment
  HSC63299  Pterospora andromedea M. A. Baker 1979-7-31 1095 Siskiyou Head of Tickner Creek on trail to Johnson's Hunting Trail 1400 Comment
  UC933382  Pterospora andromedea Annie M. Alexander and Louise Kellogg 1948-9-9 5614 Siskiyou near start of 2-mi trail from Cook & White Mine to Taylor Lake; Siskiyou Mountains Comment
  UCD91526  Puccinellia distans A. A. Beetle; G. L. Stebbins 1942-5-31 3422 Siskiyou 6 miles north of Gazelle. Comment
  CHSC88366  Puccinellia nuttalliana Jenny Marr 1993-7-1 172 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC147896  Purshia tridentata var. tridentata Geo. D. Butler 1910-4-16 1184 Siskiyou Shasta River Comment
  CAS-BOT-BC147898  Purshia tridentata var. tridentata A. A. Heller 1916-6-23 12439 Siskiyou Near Black Butte north of Sisson 1127 Comment
  UC375386  Purshia tridentata var. tridentata Geo. D. Butler 1908-7-4 285 Siskiyou near Shasta River (Yreka Creek); Yreka Creek Comment
  UC618727  Purshia tridentata var. tridentata unknown 1938-6-24 11100 Siskiyou Sisson Southern Trail; Mount Shasta Comment
  RSA1187  Purshia tridentata var. tridentata B. D. Stark 1929-7-25 1390 Siskiyou 2 miles N of Sawyers Camp. Klamath River. 152 Comment
  HSC26566  Pyrola aphylla J. P. Smith, J. O. Sawyer 1972-8-20 5757 Siskiyou Slope of Mt. Hoffman 2134 Comment
  HSC27719  Pyrola aphylla Carl W. Mize 1972-6-8 20 Siskiyou Along the main trail 351 Comment
  CAS-BOT-BC460861  Pyrola aphylla Wm. Bridge Cooke 1937-8-13 9217 Siskiyou Mount Shasta. Sisson Southern Trail 1676 Comment
  UC1408766  Pyrola asarifolia Frederick W. Oettinger 1968-8-7 441 Siskiyou The High Lake Basins in the Vicinity of English Peak Marble Mountain Willderness Area, Tabacco Lake 1889 Comment
  UC1347200  Pyrola picta John Thomas Howell 1937-7-26 13520 Siskiyou Salmon Trinity Alps, Caribou Basin Caribou Basin; Salmon Trinity Alps, Caribou Basin 1981 Comment
  CAS-BOT-BC466136  Pyrola picta Doris K. Kildale 1929-8-24 8832 Siskiyou Preston Peak 2133 Comment
  CAS-BOT-BC466138  Pyrola picta Ira L. Wiggins 1955-7-23 13472 Siskiyou Banks of China Creek 1097 Comment
  CAS-BOT-BC466140  Pyrola picta L. E. Smith 1913-9-14 s.n. Siskiyou Mt. Eddy Comment
  CAS-BOT-BC466144  Pyrola picta W. R. Dudley 1899-8-22 s.n. Siskiyou Craggy Peak in Shasta Fir Belt Comment
  UC618903  Pyrola picta var. picta W. B. Cooke 1938-8-5 11456 Siskiyou Sisson Southern Trail, Canadian. 1828 Comment
  CHSC78495  Pyrrocoma racemosa var. pinetorum Vernon H. Oswald 2000-8-28 9960 Siskiyou Hwy 3 2.2 mi north of Scott Mtn. Summit. 1411 Comment
  HSC85695  Pyrrocoma racemosa var. pinetorum J. P. Smith 1980-8-24 10347 Siskiyou Klamath National Forest. SR 3, 2.7 miles from Scott Mtn. summit, at road to Carmen Lake 1341 Comment
  UCD47005  Quercus X morehus Frank T. Callahan II 1984-11-17 s.n. Siskiyou California, Siskiyou County: Anderson Grade Summit, north facing slope, east of I-5. 990 Comment
  UC375247  Quercus chrysolepis Geo. D. Butler 1908-7-19 1075 Siskiyou Humbug Creek Comment
  CAS-BOT-BC94661  Quercus garryana Wm. F. Herrin 1919-9-1 s.n. Siskiyou near Dunsmuir Comment
  LA205288  Quercus garryana Louis Wheeler; 1934-10-7 3312 Siskiyou Siskiyou Mountains, Oak Knoll Ranger Station, Klamath River 670 Comment
  HSC29142  Quercus garryana var. breweri Frederick W. Oettinger 1968-9-1 632 Siskiyou Marble Mtn. Wilderness Area, E side of Abbott's Lake 1723 Comment
  RSA476805  Quercus garryana var. garryana Bonnie C. Templeton 1957-6-21 s.n. Siskiyou N of Callahan Comment
  RSA96710  Quercus garryana var. garryana Percy C. Everett, E. K. Balls 1954-10-13 20294 Siskiyou Indian Creek road to Obrien, just below summit, 21 m. n.w. from Hwy 96 at Happy Camp. 1555 Comment
  CAS-BOT-BC105466  Quercus kelloggii Alice Eastwood 1912-8-28 1961 Siskiyou Cantara Comment
  CAS-BOT-BC105468  Quercus kelloggii Lewis S. Rose 1945-6-22 45176 Siskiyou Beaver Creek & Klamath River 548 Comment
  RSA623528  Quercus kelloggii J. M. Tucker 1972-8-8 4244 Siskiyou Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 miles west-southwest of Marble Valley Guard Station. 1829 Comment
  SFV5163  Quercus lobata B. C. Templeton 1960-6-21 8533 Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  JEPS37855  Quercus sadleriana Geo. D. Butler 1908-8-4 234 Siskiyou Wooly Creek 1676 Comment
  UC1046526  Quercus sadleriana R. Bacigalupi, L. Constance, J. P. Tracy, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-16 3454 Siskiyou about 1.5 mi below and se saddle at summit of Takilma-Happy Camp Road Comment
  UCD47246  Quercus sadleriana R. Tofsrud; J. M. Tucker 1948-8-3 1779 B Siskiyou Summit of Happy Camp-Waldo (Oregon) road, on Del Norte-Siskiyou County line, California. 1554 Comment
  UCD47247  Quercus sadleriana R. G. Schultz 1965-10-1 2 ,3,5 Siskiyou Red Rock Valley, Siskiyou County, California. 1584 Comment
  UCSB15541  Quercus sadleriana D. Breedlove 1962-6-10 3289 Siskiyou ALONG INDIAN CREEK RD LITTLE GREYBACK MOUNTAIN (FROM O'BRIEN TO HAPPY CAMP) 1554 Comment
  RSA697640  Quercus sadleriana Leo Miller 1938-07 s.n. Siskiyou On top of mountains between Illinois and Roove Rivers 12 miles east of Agness Ore. 762 Comment
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Apr 26 2014
  HSC68452  Quercus vacciniifolia Maralyn A. Renner 1980-7-4 1403 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  SEINET234405  Quercus vacciniifolia John Tucker 1948-8-3 1776 Siskiyou 6.7 road mi below the summit of Happy Camp Waldo road Comment
  UCD47398  Quercus vacciniifolia Beecher Crampton 1956-8-21 3847 Siskiyou Canyon of the Sacramento River just above the North Fork junction with the Middle and South Forks, Siskiyou County. 1066 Comment
  UCD47463  Quercus vacciniifolia D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-13 s.n. Siskiyou Callahan-Cecilville. Cecilville Road. Klamath National Forest. 1650 Comment
  CAS-BOT-BC328129  Raillardella pringlei Douglas Barbe 1959-7-11 538 Siskiyou Gumboot Lake, headwaters of the South Fork Sacramento River, 15 miles west of Mount Shasta, Shasta National Forest 1767 Comment
  JEPS87838  Raillardella pringlei Lowell Ahart 1994-7-11 7546 Siskiyou on upstream side of Forest Road 26 (to Mt. Shasta) ca. 0.5 mi ne Gumboot Lake (w of Dunsmuir); Gumboot Creek 1783 Comment
  CAS-BOT-BC380414  Ranunculus alismifolius var. hartwegii Frank W. Gould 1940-5-14 1225 Siskiyou Bull Meadows 11 mi west of Highway US 97 on road to Montague 1676 Comment
  CDA3501  Ranunculus arvensis T. C. Fuller 1962-5-17 8740 a Siskiyou Behind El Rancho Motel, Yreka. 0 Comment
  UC827725  Ranunculus eschscholtzii var. suksdorfii John Thomas Howell 1937-7-25 13439 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  UC827920  Ranunculus occidentalis A. A. Heller 1915-7-18 12118 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  HSC40653  Ranunculus occidentalis var. occidentalis J. P. Smith 1973-5-5 6461 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  SJSU6491  Ranunculus uncinatus R. W. Trivelpiece 1972-6-14 107 Siskiyou Vann Cr near Bear Peak c. 15 mi SW of Happy Camp 1280 Comment
  RSA604933  Ranunculus uncinatus Louis C. Wheeler 1934-6-7 2656 Siskiyou North Hungry Creek. 1220 Comment
  POM126445  Rhamnus californica subsp. occidentalis A. M. Alexander, Louise Kellogg 1911-7-16 244 Siskiyou S F Salmon River. 1524 Comment
  RSA28827  Rhamnus californica subsp. occidentalis A. A. Heller 1916-7-22 12490 Siskiyou E side of Mt. Eddy Comment
  RSA7808  Rhamnus purshiana Doris K. Kildale 1928-8-20 6634 Siskiyou Trail betw English Lake and Finleys upper Camp trail to Marble Mt. Comment
  HSC4877  Rhododendron columbianum J. O. Sawyer 1968-7-9 453 Siskiyou W of Little Duck Lake at lake edge 1936 Comment
  HSC749  Rhododendron columbianum William J. Ferlatte 1967-7-26 759 Siskiyou Caribou Basin 1982 Comment
  HSC96872  Rhododendron columbianum Gordon Leppig 1998-7-10 913 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 671 Comment
  CAS-BOT-BC58187  Rhododendron columbianum Volney Rattan 1879-1-1 s.n. Siskiyou Illinois River. Comment
  HSC36760  Rhododendron macrophyllum Brent Whiteley 1975-6-28 77 Siskiyou 915 Comment
  CAS-BOT-BC200351  Rhododendron occidentale var. paludosum Alice Eastwood 1917-9-2 6648 Siskiyou Shasta Springs Comment
  HSC68581  Rhododendron occidentale var. paludosum Maralyn A. Renner 1980-6-23 976 Siskiyou W Fork Seiad Creek 878 Comment
  CAS-BOT-BC438017  Ribes H. E. Brown 1898-1-1 393 Siskiyou North side of Mt. Shasta Comment
  CDA25521  Ribes aureum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2623 Siskiyou 200 meters north of Hamilton Street on Highway 3, north edge of Fort Jones. Comment
  HSC100865  Ribes binominatum J. P. Smith, J. O. Sawyer, R. J. Cole 2010-8-7 13061 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2003 Comment
  RSA0024872  Ribes cereum S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  SEINET9321585  Ribes cereum var. cereum Unknown 2009-5-31 Siskiyou High elevation, semi-arid desert ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  CAS-BOT-BC168871  Ribes inerme var. klamathense E. Bethel 1923-6-20 1053 Siskiyou Weed Comment
  CDA25538  Ribes inerme var. klamathense G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2622 Siskiyou 200 meters north of Hamilton Street on Highway 3, north edge of Fort Jones. Comment
  UC1181815  Ribes inerme var. klamathense Dorothy Parker 1950-4-28 407 Siskiyou along Scott River Siskiyou Mountains, Scott Valley 853 Comment
  HSC19426  Ribes lacustre J. O. Sawyer 1968-6-18 220 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  HSC19427  Ribes lacustre J. O. Sawyer 1968-9-11 697 Siskiyou Slopes above Twin Valley. 1463 Comment
  HSC34131  Ribes lacustre J. O. Sawyer 1969-7-23 1177 Siskiyou Along Horse Range Creek 1555 Comment
  RSA237680  Ribes lacustre Frederick W. Oettinger 1969-7-11 972 Siskiyou SE corner of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1936 Comment
  UCD78097  Ribes lacustre Robert E. Preston 2001-6-23 1628 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W se 1/4 of ne 1/4 Section 15 1676 Comment
  CAS-BOT-BC173389  Ribes lobbii A. M. Vollmer; L. Beane 1951-6-2 86 Siskiyou Happy Camp, Klamath River Highway Comment
  HSC73321  Ribes lobbii Gail Newton 1980-6-20 480 Siskiyou Near Bald Mtn. 1097 Comment
  HSC40859  Ribes marshallii J. O. Sawyer 1973-7-18 2550 Siskiyou Hamilton Camp Comment
  UCD78096  Ribes montigenum Robert E. Preston 2001-7-21 1713 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2036 Comment
  RSA0023154  Ribes nevadense var. glaucescens P. A. Munz 1952-7-2 17893 Siskiyou Rd. to Baldy Mt. NW of Happy Camp, Siskiyou Mts. 1524 Comment
  JEPS86133  Ribes roezlii Wayne Roderick 1956-2 Siskiyou Castle Lake 1676 Comment
  HSC29451  Ribes roezlii var. cruentum Frederick W. Oettinger 1969-9-5 1686 Siskiyou Marble Mtn. Wilderness Area, next basin E of Salamander Pond, Abbotts Lake region 1768 Comment
  HSC65619  Ribes roezlii var. cruentum J. P. Smith 1973-5-5 6422 Siskiyou Along Cook and Green Pass Rd. Comment
  UC164962  Ribes sanguineum Geo. D. Butler 1910-7-12 1759 Siskiyou Shackleford Creek 1371 Comment
  UC570965  Ribes sanguineum Dorothy Tebbe 1929-6-7 128 Siskiyou Mount Eddy Comment
  HSC44887  Ribes sanguineum var. sanguineum Maralyn O'Meara 1974-5-25 401 Siskiyou Along road to Duck Lakes trail 1402 Comment
  UC54302  Ribes velutinum H. M. Hall and E. B. Babcock June, 1903 4102 Siskiyou Shasta Valley Sierra Nevada Mountains, Mount Shasta 914 Comment
  HSC61943  Ribes viscosissimum Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  JEPS49199  Ribes viscosissimum Geo. D. Butler 1908-8-5 260 Siskiyou near Cold Spring Camp; Woolly Creek Comment
  POM30110  Rigiopappus leptocladus Geo D. Butler 1910-5-16 1354 Siskiyou Near Yreka. Comment
  RSA597966  Romanzoffia sitchensis Louis C. Wheeler 1963-8-31 8321 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1524 Comment
  UCD77975  Rorippa columbiae Robert E. Preston 2000-8-16 1434 Siskiyou Dry Lake, ca. 2.15 mi sw of Toad Mountain, T41N R2E sw 1/4 Section 18 1423 Comment
  UC1871381  Rosa Barbara Ertter 2006-7-30 18737 a Siskiyou Butte Valley 4 air mi due W of Macdoel, Meiss Lake Road at S entrance to Butte Valley Wildlife Area. 1298 Comment
  UC1871395  Rosa Barbara Ertter 2006-7-30 18749 b Siskiyou Just N of Yreka on Rt 263, below roadbed in partial shade of isolated tree. 762 Comment
  CHSC1596  Rosa bridgesii M. Yoder 1941-7-21 Siskiyou Castle Lake. 1981 Comment
  CAS-BOT-BC146750  Rosa gymnocarpa Alice Eastwood 1917-9-2 6678 Siskiyou Shasta Springs Comment
  CAS-BOT-BC146754  Rosa gymnocarpa H. A. Thomas; J. H. Thomas 1954-7-27 4551 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. South side of South Fork of Salmon River in vicinity of Blind Horse Creek and area 1 mile to SE 975 Comment
  HSC61513  Rosa gymnocarpa Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1220 Comment
  RSA300566  Rosa gymnocarpa John Dourley, Walter Wisura 1982-10-15 3872 Siskiyou Castle Lake campground, SW of town of Mt. Shasta. 1616 Comment
  UC164425  Rosa gymnocarpa Geo. D. Butler 1910-8-7 1816 Siskiyou Humbug Mountain 1219 Comment
  UC618738  Rosa gymnocarpa W. B. Cooke 1938-6-24 11094 Siskiyou MacBride Spring Road Mount Shasta 1524 Comment
  POM365847  Rosa pisocarpa Louis C. Wheeler 1934-6-27 2800 Siskiyou Cottonwood Creek. Siskiyou Mtns. 884 Comment
  UC902160  Rosa pisocarpa Joseph P. Tracy 1949-9-16 18565 Siskiyou near summit (on road from Scott Valley to Trinity Center); Scott Mt. 1615 Comment
  UC1409338  Rosa pisocarpa subsp. ahartii Frederick W. Oettinger 1969-8-16 1408 Siskiyou near English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1798 Comment
  JEPS94391  Rotala ramosior Vernon Oswald and Lowell Ahart 1997-7-28 8807 Siskiyou 10.9 mi n of Highway 89 (on e side of Forest Route 15); Forest Route 15 1383 Comment
  CAS-BOT-BC156599  Rubus bifrons William M. Hiesey 1947-8-23 557 Siskiyou Klamath River along Highway 96, one mile west of Beaver Creek (2 mi. N. of Walker) 548 Comment
  UCD113787  Rubus lasiococcus J. M. Tucker; D. V. Hemphill 1974-7-27 4300 Siskiyou camp at Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  UC144393  Rubus parviflorus A. A. Heller 1905-6-1 7949 Siskiyou between Upper Soda Spring and Shasta Retreat; between Upper Soda Spring and Shasta Retreat Comment
  POM91435  Rubus parviflorus var. hypomalacus Geo. D. Butler 1910-5-30 1438 Siskiyou Humbug Mountain 1220 Comment
  JEPS11910  Rudbeckia klamathensis Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-12 4789 Siskiyou 4 mi below summit of road and Del Norte - Siskiyou Co. line (along Happy Camp-Takilma road, upper reaches of Indian Creek Canyon, nw corner Siskiyou County); Indian Creek Canyon 1005 Comment
  RSA237968  Rumex acetosella Frederick W. Oettinger 1968-8-10 466 Siskiyou Trail side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  JEPS39939  Rumex occidentalis W. L. Jepson 1914-8-13 5799 Siskiyou Marshes at Sisson Sisson 1097 Comment
  UC618782  Sagina saginoides W. Bridge Cooke 1938-7-1 11153 Siskiyou Wagon Camp - upper meadow Mt. Shasta; , Wagon Camp Comment
  CAS-BOT-BC103367  Salix bonplandiana Thos. Howell 1889-4-14 1393 Siskiyou Hornbrook Comment
  JEPS80592  Salix eastwoodiae Gilbert Muth 1966-8-3 498 Siskiyou Marble Mountain Wilderness Area, Marble Valley Marble Valley; Marble Mountain Wilderness Area, Marble Valley 1792 Comment
  RSA238026  Salix eastwoodiae Frederick W. Oettinger 1968-8-2 364 Siskiyou E outlet of Diamond Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2073 Comment
  RSA610754  Salix exigua Louis C. Wheeler 1935-5-11 3471 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  RSA610753  Salix laevigata Louis C. Wheeler 1935-5-11 3473 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  SD1002  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 411 Siskiyou Northeast side of Mount Eddy, about 16 km northwest of Shasta City, edge of stream above Metcalf Ranch house 1424 Comment
  CAS-BOT-BC107073  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 420 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1515 Comment
  CAS-BOT-BC107075  Salix lasiolepis Mrs. H. P. Bracelin 1936-9-3 854 Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  POM107152  Salix lasiolepis Geo. D. Butler 1910-6-1 1444 Siskiyou Yreka Creek. Comment
  UC482241  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 417 Siskiyou about 16 km nw Shasta City (ne side of mt., edge of stream above Metcalf ranch house); Mount Eddy 1425 Comment
  UC482246  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 420 Siskiyou about 16 km nw Shasta City (ne side of mt., edge of stream above Metcalf ranch house); Mount Eddy 1515 Comment
  UC482247  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 420 Siskiyou about 16 km nw Shasta City (ne side of mt., edge of stream above Metcalf ranch house); Mount Eddy 1515 Comment
  POM219905  Salix lemmonii H. P. Bracelin 1931-6-21 467 Siskiyou N side of Mount Eddy. About 21 km NW of Shasta City. 180 m below Dobkin's Lake. 1770 Comment
  SBBG57902  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou ca. 21 km NW of Shasta City, 180 m below Dobkin's Lake, N side of Mount Eddy 1770 Comment
  UCR133525  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou North side of Mount Eddy, about 21 km northwest of Shasta City, below Dobkins Lake 1650 Comment
  CAS-BOT-BC125687  Salix melanopsis A. A. Heller 1905-6-17 8058 Siskiyou Near Sisson Comment
  UC437366  Salix melanopsis Annie M. Alexander and L. Kellogg 1911-6-13 142 Siskiyou 6 mi. n.w. Callahan Comment
  CAS-BOT-BC126133  Salix scouleriana L. S. Smith 1931-6-7 13 Siskiyou Mt. Shasta 1066 Comment
  CAS-BOT-BC129031  Salix scouleriana Alice Eastwood 1921-7-30 11005 Siskiyou Soda Creek Comment
  HSC65537  Salix scouleriana R. White 1977-7-8 117 Siskiyou 1/4 mi. SE of creek crossing with trail to Devil's Punchbowl 1372 Comment
  JEPS38506  Salix scouleriana Geo. D. Butler 1908-8-11 148 Siskiyou Shackleford Creek 1066 Comment
  POM107277  Salix scouleriana Geo. D. Butler 1910-4-3 1155 Siskiyou Humbug Mtn Comment
  RSA238267  Salix scouleriana Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1308 Siskiyou English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1738 Comment
  UC1135100  Salix scouleriana H. A. Jensen 1933-10-25 366 Siskiyou s. of Signal Butte (Mt. Shasta-McCloud Rd.); Shasta Nat'l Forest, Dunsmuir Quad. Comment
  UC481714  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou ca. 17 km. n.w. Shasta City (above stream in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house, e. side of Mt. Eddy); Mt. Eddy Comment
  HSC91184  Salix sitchensis Jennifer Whipple 1976-6-19 1065 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2195 Comment
  SEINET9308453  Salvia dorrii Unknown 2009-5-31 Siskiyou High elevation, semi-arid desert ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  CHSC14084  Salvia sonomensis K. R. Stern; D. B. Joley, J. G. Geschke 1974-4-23 5832 Siskiyou Vicinity of Bule Grotto Cave, Lava Beds National Monument. 1456 Comment
  UC144539  Salvia sonomensis A. A. Heller 1905-6-16 8044 Siskiyou near Sisson Comment
  SEINET13947646 Image available Salvia sonomensis A. A. Heller 1905-1 8044 Siskiyou Near Sisson Comment
  CAS-BOT-BC238879  Sambucus nigra subsp. caerulea Geo. D. Butler 1910-5-29 1425 Siskiyou Near Yreka Comment
  HSC3957  Sambucus nigra subsp. caerulea R. C. Wunner 1965-6-22 245 Siskiyou Lava Beds National Monument, 0.25 mi. N of Canby Cross. 1220 Comment
  UC1408790  Sambucus racemosa var. microbotrys Frederick W. Oettinger 1969-7-18 1059 Siskiyou Upper English Lake Salmon Mountains, Marble Mountain Wilderness Area (e side, w Siskiyou Co., high lake basins in vicinity of English Peak) 1767 Comment
  UC169066  Sambucus racemosa var. microbotrys Harley P. Chandler 1901-6-25 1610 Siskiyou Upper Cotter Valley [Cuddihy Valley] (ridges and meadows near Marble Mountain); North Coast Ranges 2133 Comment
  HSC34353  Sambucus racemosa var. racemosa J. P. Smith, J. O. Sawyer 1973-8-14 7304 Siskiyou On trail from Campbell Lake to Cliff Lake. 1829 Comment
  RSA123783  Sanguisorba minor G. D. Barbe 1953-7-5 97 Siskiyou 11 miles S of Etna on French Creek 1067 Comment
  UCR37841  Sanicula graveolens L. P. Janeway 1983-8-6 493 Siskiyou Poker Flat. W part of lower portion of meadow 1529 Comment
  RSA790229  Sanicula tuberosa Rebecca Wenk 2005-6-17 169 Siskiyou Trinity Alps, South Fork of the Salmon River, near Big Flat Campground at the southern end of Big Flat Meadow. 1518 Comment
  RSA45489  Saponaria officinalis J. C. Roos, L. Roos 1948-9-2 4019 Siskiyou Hills just N of Mt. Shasta (city). Comment
  UCR246736  Saussurea americana T. C. Fuller, D. H. Shaw 1974-9-24 20045 Siskiyou Headwaters of Horse Creek, southwest slope of White mountain, Siskiyou Mountains 794 Comment
  UC1299672  Saxifraga aprica Freed W. Hoffman 1950-7-13 3647 Siskiyou Baldy Mountain Comment
  JEPS25834  Saxifraga ferruginea Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7448 Siskiyou about 12 air line mi nw Happy Camp (Poker Flat); Siskiyou Mts., Poker Flat 1524 Comment
  POM354591  Saxifraga ferruginea M. B. Dunkle 1945-7-24 9254 Siskiyou Klamath National Forest. Marble Mtns. Comment
  RSA211112  Saxifraga ferruginea William J. Ferlatte 1967-7-25 729 Siskiyou Caribou Basin. Trinity Alps. 1982 Comment
  JEPS84192  Saxifragopsis fragarioides L. R. Heckard with J. Hickman et al. 1986-7-17 6508 Siskiyou e Condrey Mt. (slopes of Alex Hole); e of Condrey Mt., slopes of Alex Hole 1930 Comment
  POM354594  Saxifragopsis fragarioides M. B. Dunkle 1945-7-22 9242 Siskiyou Marble Mts., Klamath National Forest. Comment
  RSA211115  Saxifragopsis fragarioides William J. Ferlatte 1967-8-6 816 Siskiyou Head of Canyon Creek. Trinity Alps. 2134 Comment
  SEINET4890616  Schedonorus pratensis D. Butler 1910-7-4 1636 Siskiyou Creek bed, Goosenest Foothills 1219 Comment
  RSA14332  Scirpus microcarpus Elmer I. Applegate 1895-5-28 764 Siskiyou Sisson, Strawberry Valley. Comment
  UC821369  Scribneria bolanderi Louis C. Wheeler 1935-5-1 3450 Siskiyou Siskiyou Mountains, Yreka Creek Yreka Creek; Siskiyou Mountains, Yreka Creek 853 Comment
  JEPS95565  Scutellaria antirrhinoides Vernon H. Oswald and L. Ahart 1994-7-11 6406 Siskiyou T39N R5W SW1/4 SE1/4 Sec. 16, 4750 ft, Yellow Pine Forest. Forest Rd. 26 (to Mt. Shasta) paralleling the South Fork of the Sacramento River, just W of Forest Rd. 40N43, 9.2 mi SW of the dam at Lake Siskiyou. In rocks at the base of a steep roadcut. 1447 Comment
  UC163834  Scutellaria antirrhinoides Geo. D. Butler 1908-8-3 179 Siskiyou Log Lake, Shackleford Creek Shackleford Creek; Log Lake, Shackleford Creek Comment
  SD98954  Scutellaria antirrhinoides Darley F. Howe 1977-7-1 Siskiyou Scott Mountain Creek, Scott Mountains. 1219 Comment
  UC1023836  Scutellaria antirrhinoides Milo S. Baker and Douglas Barbe 1955-7-1 80 Siskiyou just behind Callahan (to the north); Klamath Mountains 975 Comment
  HSC26548  Secale cereale J. P. Smith, Steve Selva 1970-7-17 4429 Siskiyou Along Klamath River Comment
  UC165984  Sedum Geo. D. Butler 1908-6-27 140 Siskiyou Forest House (mountain) Forest House Comment
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Oct 20 2011
  CAS-BOT-BC63878  Sedum kiersteadiae Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy. 2377 Comment
  CAS-BOT-BC64656  Sedum kiersteadiae Wm. Bridge Cooke 1942-7-2 16366 Siskiyou Bottom of Mud Creek Canyon, Mt. Shasta. 1676 Comment
  CHSC118104  Sedum kiersteadiae Peter Zika; Barbara Wilson 2011-7-31 25677 Siskiyou 0.9 mile by roadd east of summit on Highway 3 at Scott Mountain; UTM zone 10, 525847 east, 4568011 north +- 30 feet. 1547 Comment
  CAS-BOT-BC59182  Sedum lanceolatum C. L. Hitchcock; J. S. Martin 1950-8-3 5331 Siskiyou 1/2 mile SE of King's Castle. 1828 Comment
  HSC90586  Sedum lanceolatum var. lanceolatum Jennifer Whipple 1977-8-5 2186 Siskiyou Slopes near Little Crater Lake 2195 Comment
  HSC90587  Sedum lanceolatum var. lanceolatum Jennifer Whipple 1976-7-9 1401 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2226 Comment
  UCR246362  Sedum laxum subsp. heckneri Peter F. Zika 2011-7-19 25640 Siskiyou Klamath Range (KR), W side of Forest Service Road 1040, 2.9 road miles above junction with FS Road 10; above Middle Fork Applegate River, 1 air mile NW of Abney Butte, Siskiyou Mountains 675 Comment
  CAS-BOT-BC278105  Sedum oblanceolatum Peter F. Zika 2011-7-19 25650 Siskiyou Near Pacific Crest Trail, 1 air mile WNW of Copper Butte, Siskiyou Mountains, Klamath Range (KR) 1610 Comment
  JEPS26673  Sedum obtusatum subsp. boreale Lauramay T. Dempster 1961-7-1 1841 Siskiyou along ridge from Condrey Peak to White Mountain; along ridge fr Condry Peak to White Mountain Comment
  UC1045308  Sedum obtusatum subsp. boreale W. B. Cooke 1940-8-22 15459 Siskiyou banks Mud Creek Canyon; Mount Shasta, banks Mud Creek Canyon 1981 Comment
  UC1951317  Sedum obtusatum subsp. boreale Robert F. Thorne and Fred Oettinger 1969-8-4 63383 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Near crest of ridge above English Lake, along trail to Hancock Lake. Comment
  HSC50569  Sedum obtusatum subsp. retusum G. L. Clifton, Griswold 1979-7-26 10145 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2105 Comment
  HSC69031  Sedum obtusatum subsp. retusum Maralyn A. Renner 1980-7-28 2177 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  HSC90581  Sedum obtusatum subsp. retusum Jennifer Whipple 1976-7-9 1393 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2226 Comment
  HSC19542  Sedum obtusatum subsp. retusum J. O. Sawyer 1969-7-1 977 Siskiyou SE slope above Paynes Lake Creek 1921 Comment
  POM229949  Sedum oregonense L. C. Wheeler 1934-8-15 3156 Siskiyou E Fork Horse Creek, Siskiyou Mts. Mt. Diablo Mer. 1220 Comment
  CAS-BOT-BC59094  Sedum spathulifolium L. B. Kildale 1930-6-1 9733 Siskiyou Salmon River between Oak Bottom and Soames Bar. Comment
  UC1410117  Sedum spathulifolium H. M. Wheeler Siskiyou Highway 96, 26 mi n Orleans (bridge at junction with Dillon Creek Road, steep exposed rocky wall); n of Orleans Comment
  CAS-BOT-BC363419  Senecio aronicoides Wm. F. Herrin 1919-6-16 s.n. Siskiyou Shasta Springs Comment
  RSA0013322  Senecio aronicoides Geo D. Butler 1909-5-30 760 Siskiyou Humbug Mountain. 1220 Comment
  CAS-BOT-BC363591  Senecio fremontii var. fremontii John Thomas Howell 1939-8-8 15158 Siskiyou Black Mt., Marble Mts. Comment
  HSC76771  Senecio hydrophiloides K. T. Stillman 1976-8-7 373 Siskiyou Marble Mtn. Wilderness Area; trail from Black Mtn. Camp to Jump off point 1951 Comment
  CAS-BOT-BC364040  Senecio integerrimus var. major John Thomas Howell 1937-7-25 13455 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC364436  Senecio triangularis R. C. Wenk 2008-7-24 920 A Siskiyou Kangaroo Lake, south of the Gazelle-Callahan Rd. 1851 Comment
  CAS-BOT-BC364438  Senecio triangularis Annie M. Alexander; Louise Kellogg 1949-7-19 5809 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  CAS-BOT-BC364440  Senecio triangularis A. A. Heller 1915-8-26 12226 Siskiyou Heather Meadow near the head of Wagon Creek Canon [Canyon], Mt. Eddy 2590 Comment
  CAS-BOT-BC364444  Senecio triangularis Doris K. Kildale 1928-8-18 6498 Siskiyou Head of north fork of Salmon River at Finleys Upper Camp Comment
  HSC2277  Senecio triangularis Geo. D. Butler 1910-6-5 1486 Siskiyou Shackleford Creek Comment
  UC832134  Senecio triangularis A. A. Heller 1915-8-26 12226 Siskiyou meadow near the head Wagon Creek Canyon (Mt. Eddy); Mt. Eddy 2590 Comment
  UC91681  Senecio triangularis Harley P. Chandler June 1901 1576 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges, Marble Mountain 1828 Comment
  CAS-BOT-BC364789  Sericocarpus oregonensis subsp. oregonensis L. E. Smith 1915-7-1 s.n. Siskiyou Dunsmuir Comment
  JEPS97199  Shepherdia canadensis Julie Kierstead Nelson with Maria Ulloa-Cruz 1995-8-22 95053 Siskiyou upslope from Parks Creek Road (Rd. 17), 5.25 mi above junction with Stewart Springs Rd., on the W slope of Parks Creek drainage Shasta-Trinity National Forests, Mt. Shasta Ranger District 1737 Comment
  UC1409367  Sibbaldia procumbens Frederick W. Oettinger 1968-8-23 607 Siskiyou ridges near Diamond Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2072 Comment
  HSC19471  Sibbaldia procumbens J. O. Sawyer 1969-7-10 1299 Siskiyou Slopes E of Russian Peak 2104 Comment
  JEPS105152  Sidalcea asprella Dean W. Taylor 1993-7-30 13987 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 mi E of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  JEPS105035  Sidalcea glaucescens Dean W. Taylor 1996-7-7 15823 Siskiyou Scott Mountains; Highway 3 about 3 miles North of Scott Mountain Pass; Klamath National Forest 1402 Comment
  HSC77411  Sidalcea malviflora subsp. celata L. P. Janeway 1983-8-16 548 Siskiyou Poker Flat 1524 Comment
  SBBG25911  Sidalcea oregana D. Myrick 1966-8-9 1502 Siskiyou near Ward Lake, Mountain Meadow Ranch, Big Flat, Trinity Alps 2438 Comment
  JEPS82481  Sidalcea oregana subsp. oregana Gilbert Muth 1965-8-12 212 Siskiyou Black Mt. Marble Mt. Wilderness Area, Black Mt. 1798 Comment
  UC166193  Sidalcea oregana subsp. spicata Geo. D. Butler 1910-7-17 1728 Siskiyou Oro Fino Comment
  JEPS94629  Silene antirrhina Vernon H. Oswald 1998-6-11 9180 Siskiyou on w side of Hwy 97 2.2 mi ne Lake Shastina-Big Springs Rd. (ne of Weed); Shasta NF plantation 1066 Comment
  CHSC75697  Silene campanulata subsp. glandulosa Vernon H. Oswald; Lowell Ahart 1999-7-5 9822 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southeast of Gazelle-Callahan Hwy., 0.6 mi northwest of the highway summit. 1569 Comment
  RSA237843  Silene campanulata subsp. glandulosa Frederick W. Oettinger 1969-7-11 989 Siskiyou Near outlet of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  UCD98558  Silene campanulata subsp. glandulosa Joseph M. DiTomaso 1975-7-27 302 Siskiyou Yellow Rose Mine, Trinity Alps. 2011 Comment
  UC722486  Silene grayi C. L. Hitchcock, J. S. Martin 1939-7-9 5320 Siskiyou between King's Castle and Black Mt. (w side of ridge); btw King's Castle and Black Mt. 1828 Comment
  RSA184741  Silene grayi Gilbert Muth 1965-8-17 231 Siskiyou Back side of Black Mountain, Marble Mountains. Comment
  RSA237804  Silene grayi Frederick W. Oettinger, R. F. Thorne 1969-8-6 1225 Siskiyou East side of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC181251  Silene hookeri subsp. hookeri Clarence R. Quick 1959-6-19 59 -08 Siskiyou 3 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  SJSU2570  Silene laciniata H. L. Buckalew 1958-7-13 Siskiyou small meadow near Sanger L. near head of Middle Fork Smith R, Siskiyou Mts 1584 Comment
  CAS-BOT-BC389436  Silene lemmonii J. H. Thomas 1954-5-14 4178 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, Southwestern Siskiyou County 1219 Comment
  RSA275295  Silene vulgaris J. O. Sawyer, E. Cope 1977-6-18 2902 Siskiyou Rock along clear Creek Trail below Ten miles Creek 457 Comment
  HSC64807  Sisymbrium altissimum J. P. Smith 1976-5-21 8776 Siskiyou Klamath National Forest, FS Rd. 40N08, 12.3 mi. from its junction with Hwy. 3 1220 Comment
  HSC6907  Sisymbrium altissimum R. C. Wunner 1965-6-18 210 Siskiyou Indian Well Campground, Lava Beds National Monument 1433 Comment
  CDA16173  Sisymbrium officinale G. F. Hrusa, T. D. Wilfred 1999-5-31 15072 Siskiyou Klamath Ranges; E side of I-5 at Klamath R. rest area +- 10 mi N of Yreka. 640 Comment
  UC164450  Smilacina racemosa Geo. D. Butler 1910-6-19 1587 Siskiyou Goosenest foothills 1524 Comment
  UC30091  Smilax jamesii Harley P. Chandler June, 1901 1625 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 2133 Comment
  NY821291  Solanum physalifolium A. A. Heller 1915-8-24 12208 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1189 Comment
  JEPS12118  Solanum rostratum W. L. Kleaver 1921-7-30 Siskiyou Yreka Comment
  CAS-BOT-BC157035  Solanum umbelliferum L. Constance; R. Bacigalupi; S. Carlquist; R. Moran; R. L. Rodriguez; J. P. Tracy 1951-6-16 3396 Siskiyou North slope of Little Grayback, Takilma-Happy Camp road 1463 Comment
  CAS-BOT-BC365564  Solidago elongata Louis C. Wheeler 1934-9-2 3240 Siskiyou Miller Glade, Siskiyou Mts. 1828 Comment
  HSC2321  Solidago elongata Geo. D. Butler 1910-8-31 1858 Siskiyou Comment
  HSC29090  Solidago elongata Frederick W. Oettinger 1968-8-12 494 Siskiyou Salmon Mountains, Tobacco Lake Trail 1890 Comment
  UC61053  Solidago elongata W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou Hearst Castle Comment
  UC88189  Solidago elongata Katharine Curran Jul 1887 Siskiyou Edgewood Comment
  CAS-BOT-BC365560  Solidago elongata H. A. Thomas; J. H. Thomas 1954-7-25 4534 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  HSC76957  Solidago multiradiata K. T. Stillman 1976-7-21 273 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  RSA749131  Sorbus scopulina James R. Shevock, David Toren 2000-9-1 20101 Siskiyou Applegate River Drainage. Along trail 959 toward Bear Gulch about 100 yards N of Cook and Green Pass off of road 1055. 1433 Comment
  SEINET5735644 Image available Sorbus scopulina J. M. Tucker 1963-1 3715 Siskiyou Vicinity of Paradise Lake, at base of King's castle on the E side.; Marble Mountain Wild. Area 1981 Comment
  UC163746  Sorbus scopulina var. scopulina Geo. D. Butler 1910-7-8 1681 Siskiyou Shackleford Creek Comment
  UCD78010  Spergularia rubra Robert E. Preston 2002-7-14 1929 Siskiyou Klamath National Forest, N slope of Rainbow Mountain 1806 Comment
  CAS-BOT-BC149677  Spiraea douglasii Wm. Bridge Cooke 1938-7-29 11400 Siskiyou Above Bear Springs Comment
  HSC19121  Spiraea douglasii J. O. Sawyer 1969-7-9 1066 Siskiyou NE shore of Little Duck Lake 2043 Comment
  RSA264963  Spiraea douglasii M. Ekblad 1975-10-16 s.n. Siskiyou Near Shelley Lake. Near Etna. 1634 Comment
  RSA30418  Spiraea douglasii A. A. Heller 1916-7-20 12464 Siskiyou Metcalf's ranch. NE base of Mt Eddy, 1189 Comment
  CHSC84754  Stachys ajugoides var. rigida L. P. Janeway 2003-8-9 7962 Siskiyou Klamath Ranges. Siskiyou Mountains between Cook and Green Pass and Red Butte; spring at head of uppermost fork of Seiad Creek. 1725 Comment
  JEPS74519  Stachys ajugoides var. rigida W. J. Ferlatte 1966-8-3 288 Siskiyou Josephine Lake Trinity Alps, Josephine Lake Basin 1676 Comment
  UC1483439  Stachys ajugoides var. rigida John Palmer 1980-8-15 962 Siskiyou ne Seiad Low Gap (on spur of F.S. Rd. 46N50); Klamath National Forest, Seiad Valley Quad. 1097 Comment
  UCLA70898  Stachys ajugoides var. rigida W. Bridge Cooke 1940-6-20 15147 Siskiyou w Shasta River; Klamath River Comment
  CHSC106272  Stachys pilosa Lowell Ahart; John Dittes 2010-7-30 16948 Siskiyou In shallow water or on wet soil, on the south edge of the Shasta River, about 80 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  HSC164  Stachys rigida William J. Ferlatte 1966-8-2 242 Siskiyou Big Flat, wooded area near public camp. 1524 Comment
  HSC2385  Stachys rigida William J. Ferlatte 1966-8-19 439 Siskiyou Kidd Creek Trail. 1707 Comment
  UC1191452  Stellaria longipes var. longipes Herbert L. Mason 1948-7-18 13611 Siskiyou Grass Lake Comment
  HSC92346  Stellaria umbellata Jennifer Whipple 1977-8-6 2229 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  RSA202368  Stenanthium occidentale J. M. Tucker, L. K. Mann, Sandra L. Holloway 1963-8-18 3747 Siskiyou Upper Canyon Creek ca. 1/2 mile NE of the Marble Valley Guard Station, Marble Mountain Wilderness Area. 1921 Comment
  RSA237470  Stephanomeria lactucina Frederick W. Oettinger 1968-8-11 473 Siskiyou Braken Meadow, 0.1 mile from Tom Taylor Cabin. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  SEINET11262515  Stephanomeria lactucina Carl B. Wolf 1934-7-6 6027 Siskiyou W slope of Mt Shasta. Snowline Road, 3 3/10 mi from Mt Shasta City.; 0 Comment
  POM315997  Stephanomeria paniculata Patricia Wilder 1965-9-29 4198 Siskiyou Lava Beds National Monument on path up to top of Schonchin Butte. Tule Lake drainage area. 1524 Comment
  UCD136235  Stephanomeria paniculata L. D. Gottlieb 1966-7-24 6679 Siskiyou Shasta Ski Bowl Road, near 1.25 mile post, Mt. Shasta. 1219 Comment
  SEINET10603810  Stipa californica A. Arthur Heller 1905-6-1 Heller 7936 Siskiyou Between Upper Soda Spring and Shasta Retreat. Comment
  SEINET10603842  Stipa lemmonii Louis C. Wheeler 1935-5-11 Wheeler 3480 Siskiyou Siskiyou Mts., Mt. Diablo Mer. Klamath River at Ash Creek. Low , sunny, formerly wet site. 610 Comment
  CAS-BOT-BC87858  Streptanthus tortuosus Marion Ownbey; Fred G. Meyer 1940-7-3 2162 Siskiyou 5 miles northwest of McCloud. Comment
  CAS-BOT-BC87959  Streptanthus tortuosus Reed Rollins 1938-8-21 11555 Siskiyou Mount Shasta. Around the various water supply springs above Horse Camp and around Horse Camp fountain overflow. 2438 Comment
  UCD78029  Streptanthus tortuosus Robert E. Preston 2001-6-23 1612 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W se 1/4 Section 15 1889 Comment
  CHSC30241  Streptanthus tortuosus var. orbiculatus M. S. Taylor; J. Prouty, E. Heinitz 1980-8-19 3268 A Siskiyou Paint Pot Crater. 1920 Comment
  UC137033  Streptanthus tortuosus var. orbiculatus Dr. E. B. Copeland 1903-8-15 3915 Siskiyou Mt. Shasta 2346 Comment
  UC166563  Streptanthus tortuosus var. orbiculatus Geo. D. Butler 1910-4-22 1221 Siskiyou Kidder Creek Comment
  HSC61980  Streptanthus tortuosus var. tortuosus Al Hobart 25 Sep [year missing] Siskiyou Preston Peak 1677 Comment
  HSC69714  Streptopus amplexifolius Maralyn A. Renner 1980-7-15 1770 Siskiyou English Lake inlet 1780 Comment
  HSC792  Streptopus amplexifolius William J. Ferlatte 1967-7-9 690 Siskiyou Kidd Creek Trail 1677 Comment
  UC1312955  Streptopus amplexifolius var. americanus J. M. Tucker 1963-8-19 3771 Siskiyou headwaters of Canyon Creek; Marble Mountain Wilderness Area 1950 Comment
  HSC29456  Suksdorfia ranunculifolia Frederick W. Oettinger 1969-7-13 998 Siskiyou Marble Mtn. Wilderness Area, N of Upper English Lake 1921 Comment
  CDA39710  Swertia albicaulis D. Janssen & F. D. Horn 1978-5-15 s.n. Siskiyou Hotlum Road, approximately 5 km northeast of Weed. 0 Comment
  UC585194  Swertia albicaulis var. nitida E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1890 Siskiyou about 2 mi s Yreka 822 Comment
  CAS-BOT-BC234797  Symphoricarpos mollis John Thomas Howell 1937-7-23 13362 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC18884  Symphoricarpos mollis J. O. Sawyer 1968-9-28 739 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  HSC18989  Symphoricarpos mollis J. O. Sawyer 1969-8-5 1968 Siskiyou Along Sugar Creek. 1707 Comment
  UC102265  Symphoricarpos mollis Brandegee Jul 1887 Siskiyou Upper Soda Spring Comment
  HSC4015  Symphoricarpos rotundifolius var. rotundifolius D. M. Thomson 1965-8-14 194 Siskiyou Lava Beds National Monument, 1 mi. S of Mammoth Crater on Tichner Rd. Comment
  CAS-BOT-BC97871  Symphyotrichum eatonii Geo. D. Butler 1908-8-11 292 Siskiyou near Oro Fino Comment
  CAS-BOT-BC98941  Symphyotrichum foliaceum var. parryi John Thomas Howell 1939-8-7 15133 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC97948  Symphyotrichum frondosum A. A. Heller 1917-9-7 12977 Siskiyou Shasta Valley two miles south of Grenada 914 Comment
  JEPS24798  Symphyotrichum spathulatum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6807 Siskiyou near outlet of Castle Lake at its ne end Castle Lake, Sacramento River (headwaters of Sacramento River) 1661 Comment
  UC165283  Symphyotrichum spathulatum Geo. D. Butler 1910-9-11 1880 Siskiyou near Edgewood Comment
  CAS-BOT-BC98428  Symphyotrichum spathulatum W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Comment
  HSC92798  Symphyotrichum spathulatum var. spathulatum Jennifer Whipple 1977-8-4 2162 Siskiyou Wagon Creek Drainage on the E face of Mt. Eddy 2195 Comment
  UCD86093  Taeniatherum caput-medusae A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3426 Siskiyou 3 miles north of Yreka. Comment
  UCD86126  Taeniatherum caput-medusae Beecher Crampton 1969-6-19 8472 Siskiyou 1 mile north of Edgewood. Comment
  CAS-BOT-BC376855  Taraxacum Doris K. Kildale 1929-4-27 7513 Siskiyou Cecilville Comment
  UC564179  Taraxia tanacetifolia Elmer I. Applegate 1935-7-2 9285 Siskiyou old road to the lava beds near National Monument; Frenner's ranch Comment
  CAS-BOT-BC85237  Taxus brevifolia H. E. Brown 1897-6-1 311 Siskiyou Near Sisson 1082 Comment
  POM210933  Taxus brevifolia L. C. Wheeler 1934-8-14 3138 Siskiyou Siskiyou Mountains, west end of White Mountain 1768 Comment
  UC902021  Taxus brevifolia Joseph P. Tracy 1949-9-14 18553 Siskiyou 6 mi ne Cecilville; Shadow Creek 914 Comment
  HSC18992  Tellima grandiflora J. O. Sawyer 1969-7-18 1362 Siskiyou E of Waterdog Lake 2012 Comment
  CAS-BOT-BC447417  Tellima grandiflora Annie M. Alexander; Louise Kellogg 1920-5-1 s.n. Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  JEPS104997  Thelypodium brachycarpum Dean W. Taylor 1996-7-25 15832 Siskiyou Scott Mtns., on watershed divide between Crater Creek drainage and Mountain House Creek drainage (about 15 air miles west of Weed); Klamath National Forest 1645 Comment
  CAS-BOT-BC77737  Thelypteris nevadensis Louis C. Wheeler 1934-8-21 3191 Siskiyou East Fork Horse Creek, Klamath National Forest 1219 Comment
  JEPS82673  Thlaspi montanum var. montanum Wayne Roderick 1984-6-7 Siskiyou sw Stewart Springs (Cabin Meadow, Campsite); Cabin Meadow (sw of Stewart Springs) 1798 Comment
  JEPS93904  Thlaspi montanum var. montanum Vernon H. Oswald and Lowell Ahart 1998-8-3 9426 Siskiyou w of Kangaroo Lake (near the Pacific Crest Trail in the Scott Mountains); Scott Mountains 1981 Comment
  UC1094392  Thlaspi montanum var. montanum Rimo C. Bacigalupi with Galen Smith 1957-6-26 5951 Siskiyou above s end Gumboot Lake (ca 6 mi due s Mt. Eddy, head of South Fork Sacramento River, Gumboot Lake); head of South Fork Sacramento River, Gumboot Lake 1859 Comment
  UC857500  Thlaspi montanum var. montanum Alice Eastwood 1912-7-23 1330 Siskiyou Cantara Comment
  HSC46188  Thysanocarpus curvipes Jennifer Whipple 1977-4-30 1874 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  HSC64820  Thysanocarpus curvipes J. P. Smith 1976-5-5 8687 Siskiyou Road between Sawyers Bar and Somes Bar 488 Comment
  CAS-BOT-BC66801  Thysanocarpus curvipes L. B. Kildale 1930-6-1 9703 Siskiyou Salmon River at Crapp Creek. Comment
  CAS-BOT-BC447585  Tiarella trifoliata var. unifoliata Doris K. Kildale 1929-7-21 8736 Siskiyou Elk Lick, s. fork of Indian Creek 1219 Comment
  HSC69543  Tolmiea diplomenziesii Maralyn A. Renner 1980-8-6 2242 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  JEPS49716  Tolmiea diplomenziesii W. L. Jepson 1907-7-19 2940 Siskiyou Happy Camp Trail Siskiyou Mts. (headwaters of Indian Creek) Comment
  UCD93215  Torreyochloa pallida var. pauciflora A. H. Murphy 1955-5-29 55 U Siskiyou Klamath National Forest. Marble Mountains. Clear Lake. 1798 Comment
  CAS-BOT-BC519571  Triantha occidentalis subsp. occidentalis Doris K. Kildale 1929-8-25 9020 Siskiyou Near Youngs Valley, on trail to Preston peak 1524 Comment
  HSC14451  Trichostema lanceolatum C. B. Wolf 1927-8-26 1041 Siskiyou Along Klamath River, 4 mi. N of Gottville Comment
  SBBG25930  Trichostema oblongum D. Myrick 1966-8-8 1476 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  UCSC008680  Trifolium cyathiferum Randall Morgan 2003-7-12 3012 Siskiyou Cleghorn Meadow, circa 13 road miles north of Highway 96 on Oak Knoll Ranger Station Road, +/- east of Klamath River Village Comment
  HSC58921  Trifolium eriocephalum Marvin Butler 1971-7-11 90 Siskiyou Near Youngs Valley, close to the town of Cave Junction 1403 Comment
  RSA47668  Trifolium eriocephalum subsp. eriocephalum Roxana S. Ferris, Laura Lorraine, Daniel F. Ferris 1948-6-12 11817 Siskiyou E Fork of Scott River drainage, Parker Ranch, Plowmans Valley. 1204 Comment
  CAS-BOT-BC219034  Trifolium howellii Doris K. Kildale 1928-8-18 6426 Siskiyou North Fork on Salmon River at Finley Camp Comment
  CAS-BOT-BC219046  Trifolium howellii Geo. D. Butler 1908-8-3 385 Siskiyou Shackleford Creek Comment
  UCD111247  Trifolium longipes Al Crebbin 1957-7-23 57 K Siskiyou Head of Deadfall Creek base of Mt. Eddy Shasta National Forest. 2590 Comment
  JEPS83895  Trifolium pratense Wayne Roderick Aug 1975 Siskiyou Cook and Green Pass Syskiyou Mtns Comment
  SEINET3151084  Triglochin maritima G. D. Butler 1910-8-21 1846 Siskiyou Shasta Valley Comment
  RSA607098  Triglochin maritima L. C. Wheeler 1934-10-21 3327 Siskiyou Shasta Valley 4 miles east of Grenada 869 Comment
  JEPS80494  Trillium chloropetalum Gilbert Muth 1966-7-8 376 Siskiyou Marble Valley Marble Mt. Wilderness Area, Marble Valley 1792 Comment
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Aug 20 2009
  HSC27975  Trillium ovatum Carl W. Mize 1972-9-23 128 Siskiyou Along Gates Creek 762 Comment
  CAS-BOT-BC200273  Trisetum spicatum Geo. B. Grant 1902-9-7 5092 Siskiyou Mt. Shasta - Horse Camp Comment
  HSC18978  Trisetum spicatum J. O. Sawyer 1969-7-25 1542 Siskiyou SW facing upper slope above Sugar Lake 2210 Comment
  HSC61491  Trisetum spicatum Ruby Van Deventer 19 Jul [year missing] Siskiyou Lookout Mtn. Comment
  HSC76721  Trisetum spicatum K. T. Stillman 1976-8-7 388 Siskiyou Marble Mountain Wilderness Area, trail from Black Mtn. camp to Jump off Comment
  HSC76726  Trisetum spicatum K. T. Stillman 1976-8-8 398 Siskiyou Marble Mountain Wilderness Area, trail from jump off to Paradise Lake Comment
  HSC76956  Trisetum spicatum K. T. Stillman 1976-9-9 477 Siskiyou Marble Mtn. Wilderness Area, N, NE and E side of Black Mtn. Comment
  HSC71074  Triteleia bridgesii M. A. Baker 1980-6-20 2196 Siskiyou Near Bald Mtn. 275 Comment
  HSC46197  Triteleia crocea Jennifer Whipple 1976-5-2 902 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  UC164091  Triteleia crocea Geo. D. Butler 1909-5-30 786 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC522336  Triteleia hyacinthina Alice Eastwood 1912-7-22 1311 Siskiyou Sisson Comment
  CAS-BOT-BC522338  Triteleia hyacinthina Volney Rattan 1879-6-1 s.n. Siskiyou Klamath Comment
  CAS-BOT-BC522340  Triteleia hyacinthina W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klink's Meadow Comment
  CAS-BOT-BC522344  Triteleia hyacinthina Geo. D. Butler 1909-5-31 785 Siskiyou Hawkinsville Comment
  SEINET8506392  Triteleia ixioides J. F. Sloan 1959-4-26 s.n. Siskiyou 20 miles S of Weed and 1 mile E toward Mt. Shasta. 1676 Comment
  CAS-BOT-BC524315  Triteleia ixioides subsp. anilina W. B. C. 1938-7-15 11238 Siskiyou Wagon Camp Comment
  CAS-BOT-BC524321  Triteleia ixioides subsp. anilina L. E. Smith 1913-6-12 360 Siskiyou Sisson Comment
  UCD135154  Tsuga mertensiana John M. Tucker 1963-7-8 3734 Siskiyou Black Mountain, ca. 1 mile north of Marble Valley, Marble Mountain Wilderness Area. 1981 Comment
  CAS-BOT-BC74105  Turritis glabra Milo S. Baker 1925-4-8 254 a Siskiyou Highway East Blue Lakes. Comment
  CHSC72243  Urtica dioica subsp. holosericea Vernon H. Oswald; Lowell Ahart 1998-9-16 9639 Siskiyou Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi east of Hwy. 97. 1243 Comment
  UCD111557  Urtica dioica subsp. holosericea Verne Grant; Irving Schneider 1947-8-25 8275 Siskiyou West side of Tule Lake. Comment
  CAS-BOT-BC199199  Vaccinium cespitosum Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Skyhigh [Sky High] Lake Comment
  HSC19104  Vaccinium cespitosum J. O. Sawyer 1969-8-4 1887 Siskiyou Above S Sugar Lake 2043 Comment
  JEPS66690  Vaccinium deliciosum Geo. D. Butler 1908-8-5 44 Siskiyou summit above Cold Springs 1828 Comment
  CAS-BOT-BC199229  Vaccinium membranaceum Louis C. Wheeler 1934-8-16 3162 Siskiyou Klamath National Forest. Johnson Dairy 1645 Comment
  HSC19095  Vaccinium scoparium J. O. Sawyer 1969-8-1 1656 Siskiyou Along trail to Little Duck Lake 1951 Comment
  RSA700700  Vaccinium scoparium L. C. Wheeler 1934-8-5 3038 Siskiyou Mud Springs, Middlehell Creek. 2011 Comment
  SEINET3107076  Vaccinium scoparium Steve Selva, Roger Jensen 1974-8-25 47 Siskiyou Meadow at west end of Little Duck Lake. Comment
  RSA238869  Vaccinium scoparium Frederick W. Oettinger, J. L. Morrison 1967-8-17 279 Siskiyou 0.1 mile SSW of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  LA44769  Vaccinium uliginosum subsp. occidentale Wm. Bridge Cooke; 1939-7-7 13606 Siskiyou Mount Shasta, Wagon Camp 1737 Comment
  POM259604  Valeriana sitchensis subsp. sitchensis J. T. Howell 1939-8-3 15017 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  SD125883  Veratrum californicum Steve Morgan 1987-7-28 Siskiyou McGinnis Springs 5 miles northwest of McCloud, Shasta-Trinity National Forest, south of Mount Shasta. Meadow surrounded by pine planting and Red Fir forest. (IPB 4/08) 1773 Comment
  HSC91996  Veratrum californicum var. californicum Jennifer Whipple 1976-7-24 1533 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  JEPS62203  Veratrum californicum var. californicum Willis L. Jepson 1894-7 Siskiyou Sisson Comment
  HSC96886  Veratrum viride Gordon Leppig 1997-8-23 671 Siskiyou Russian Wilderness, Little Duck Lake Fen 2200 Comment
  SEINET3889182  Veratrum viride John M. Tucker 1972-8-8 4243 Siskiyou Marble Mountains; on moist slope just above Little Marble Valley.; 0 1890 Comment
  HSC63627  Verbena lasiostachys J. P. Smith, Steve Selva 1970-6-16 4079 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  HSC67565  Verbena lasiostachys J. P. Smith, J. O. Sawyer 1971-9-18 4813 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  JEPS74569  Veronica americana W. J. Ferlatte 1966-6-23 132 Siskiyou Trinity Alps, Yellow Rose Mine Yellow Rose Mine; Trinity Alps, Yellow Rose Mine 1981 Comment
  RSA165519  Veronica americana Clare B. Hardham 1961-6-30 8127 Siskiyou Siskiyou Mountains: White Mt. Comment
  CAS-BOT-BC238136  Veronica copelandii Alice Eastwood 1912-8-30 2003 Siskiyou Mount Eddy Comment
  CDA42020  Veronica peregrina var. xalapensis L. Ahart 2005-6-1 12059 Siskiyou Near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. Comment
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Oct 5 2019
  JEPS95521  Veronica scutellata Vernon H. Oswald and L. Ahart 1994-8-10 6462 Siskiyou T40N R2E SW1/4 NW1/4 Sec. 18, 4460 ft, Yellow Pine Forest. FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi W of Harris Spring Rd. (FS15), ca. 4 mi (air) NNE of Bartle 1359 Comment
  UC27746  Veronica serpyllifolia subsp. humifusa Milo S. Baker 1893-8-6 Siskiyou Mount Spring, Medicine Lake Medicine Lake; Mount Spring, Medicine Lake Comment
  UCD78079  Veronica wormskjoldii Robert E. Preston 2001-7-21 1719 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 2066 Comment
  SBBG15608  Vicia americana subsp. americana D. Myrick 1961-6-20 282 Siskiyou meadow at Bear Springs, S slope of Mt Shasta 1676 Comment
  CHSC88129  Vicia americana var. americana Jenny Marr 1993-7-1 140 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC726534  Vicia americana var. americana A. A. Heller 1916-6-20 12400 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  HSC46050  Vicia americana var. americana Maralyn O'Meara 1974-5-25 427 Siskiyou On Rd. 8, ~4.7 mi. W of junction with Hwy. 3 1159 Comment
  POM349912  Vicia americana var. americana M. B. Dunkle 1944-6-27 9052 Siskiyou Siskiyou National Forest Comment
  HSC19330  Viola adunca J. O. Sawyer 1969-7-9 1224 Siskiyou Along trail to Sugar Lake. 1768 Comment
  HSC33964  Viola adunca