Search Results — 2000 specimen records retrieved (1435 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/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78125  Abies X shastensis Doris K. Kildale 1928-8-20 6602 Siskiyou Lily Pad Lake near Hancock Lookout, Trail to Marble Mt. 2072 Comment
  HSC4981  Abies amabilis J. O. Sawyer 1968-7-22 525 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC69559  Abies concolor Maralyn A. Renner 1980-8-6 2290 Siskiyou Along trail, 0.5 mi. SE of Cyclone Gap. 1585 Comment
  UC336751  Abies concolor unknown 1891-11-12 Siskiyou Sissons Comment
  CHSC97952  Abies lasiocarpa J. O. Sawyer 1968-7-10 499 Siskiyou On trail to South Sugar Lake. 1981 Comment
  HSC4982  Abies lasiocarpa J. O. Sawyer 1968-7-9 430 Siskiyou W of Little Duck Lake. 1936 Comment
  UC1001951  Abies magnifica var. shastensis Mrs. B. M. Berry 1954-10-9 1 Siskiyou between Etna and Salmon Mountain summit; Salmon Mountains, Salmon Mountain 1828 Comment
  UC1041046  Abies magnifica var. shastensis J. W. Congdon 1900-8-13 Siskiyou Mt. Shasta Comment
  LA202806  Acer circinatum Wm. Bridge Cooke; 1940-7-12 15309 Siskiyou Box Canyon, Near the Sacramento River and near Mount Shasta City 914 Comment
  CAS-BOT-BC330989  Acer glabrum var. glabrum Alice Eastwood; John Thomas Howell 1937-6-25 5018 Siskiyou Scott Mts. above Callahan Comment
  UC1408872  Acer glabrum var. glabrum Frederick W. Oettinger 1968-8-7 435 Siskiyou e side Hancock Lake (High Lake Basins in the vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area, western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 1935 Comment
  UC166210  Acer glabrum var. glabrum Geo. D. Butler 1908-8-5 531 Siskiyou camp below Cold Spring (Woolly Creek); Woolly Creek Comment
  UC166211  Acer glabrum var. glabrum Geo. D. Butler 1909-7-20 908 Siskiyou Highland Mine Highland Mine Comment
  RSA183746  Acer glabrum var. torreyi Gilbert Muth 1965-8-3 147 Siskiyou Marble Mountains, on trail to 4-corners Comment
  CAS-BOT-BC332792  Acer macrophyllum Doris K. Kildale 1929-4-27 7843 Siskiyou Cecilville, south fork Salmon River Comment
  CAS-BOT-BC30427  Achillea millefolium Alice Eastwood 1921-7-28 10926 Siskiyou Medicine Lake Comment
  HSC27653  Achillea millefolium Carl W. Mize 1972-6-8 10 Siskiyou Along main trail 335 Comment
  HSC58874  Achillea millefolium Marvin Butler 1971-7-19 155 Siskiyou Near Mary's Meadow, close to the town of Cave Junction 1220 Comment
  HSC81664  Achillea millefolium Thomas W. Nelson, Jane P. Nelson 1980-7-17 6077 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  UCD128329  Achillea millefolium Wm. E. Moon 1958-5-29 s.n. Siskiyou Hebron summit, State Highway 97. 1584 Comment
  CAS-BOT-BC400005  Achlys triphylla Clarence R. Quick 1959-6-19 59 -14 Siskiyou 6.7 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  CDA24384  Achlys triphylla Don Shaw 1979-5-24 Siskiyou Sawyers Bar. 0 Comment
  HSC36728  Achlys triphylla Brent Whiteley 1975-6-28 83 Siskiyou 915 Comment
  UCD50946  Achnatherum occidentale A. H. Murphy 1956-8-16 56 DD Siskiyou Klamath National Forest, Tangle Blue Lake. 1767 Comment
  POM207038  Achnatherum occidentale subsp. californicum E. B. Copeland 1903-8-16 3896 Siskiyou Mt. Shasta. 2439 Comment
  SEINET203569  Achnatherum occidentale subsp. californicum W. B. Cooke 1938-7-15 11168 Siskiyou Bear Springs; Mt Shasta 1524 Comment
  SEINET232908  Achnatherum occidentale subsp. californicum L. R. Firestone 1983-8-11 8342 Siskiyou About 30 mi east of Mt. Shasta along CA 89 1341 Comment
  RSA238982  Achnatherum occidentale subsp. occidentale Frederick W. Oettinger 1969-8-13 1352 Siskiyou Southeast ridge of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  UCD51189  Achnatherum occidentale subsp. pubescens P. B. Dickey 1940-5-26 943 Siskiyou South of Dwinnell Lake. Comment
  UCD51195  Achnatherum occidentale subsp. pubescens A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3384 Siskiyou 1.5 miles northeast of Weed. Comment
  RSA17732  Achnatherum thurberianum Elmer I. Applegate 1935-6-8 9437 Siskiyou Bear Paw Cave, Lava Beds National Monument. Comment
  RSA603843  Achnatherum thurberianum L. C. Wheeler 1935-5-7 3470 Siskiyou Klamath River at Ash Creek. 610 Comment
  UCD51439  Achnatherum thurberianum L. Whitney 1934-6-27 s.n. Siskiyou 30 miles SW of Tennant. 1371 Comment
  CHSC118648  Acmispon denticulatus Richard R. Halse 2016-5-29 9718 Siskiyou Along Hilt Road ca. 2.1 miles northwest of Hilt on the Oregon/California State Line. 876 Comment
  HSC61887  Aconitum columbianum subsp. columbianum Ruby Van Deventer 9 Aug [year missing] Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC391705  Actaea rubra Doris K. Kildale 1928-8-18 6494 Siskiyou Near head of north fork of Salmon River at Finley's Upper Camp Comment
  CAS-BOT-BC391706  Actaea rubra Doris K. Kildale 1928-7-2 5415 Siskiyou Salmon Summit, via Horn Creek trail 1981 Comment
  CAS-BOT-BC29325  Adenocaulon bicolor John Thomas Howell 1937-7-21 13186 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  OBI80258  Adenocaulon bicolor David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  CAS-BOT-BC68962  Adiantum aleuticum H. A. Thomas; J. H. Thomas 1954-7-23 4468 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. Vicinity of Blind Horse Creek. 1036 Comment
  UC399476  Adiantum aleuticum Geo. D. Butler 1908-8-2 247 Siskiyou Shackleford Creek Comment
  HSC102716  Aegilops cylindrica J. P. Smith 2013-6-18 13749 Siskiyou S. Main Street in Yreka. 838 Comment
  JEPS107957  Aegilops cylindrica Lowell Ahart, John Dittes 2005-6-10 12122 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
  SEINET515848  Agastache parvifolia Vernon Oswald 1997-7-28 8771 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi. S of Medicine Lake. 1366 Comment
  UC882912  Agastache urticifolia John Thomas Howell 1939-8-6 15092 Siskiyou Spirit Lake; Marble Mts., Spirit Lake Comment
  UC922471  Agastache urticifolia Annie M. Alexander and Louise Kellogg 1949-7-21 5824 Siskiyou s Paradise Lake (Paradise Lake, Marble Mountains); Marble Mountains, Paradise Lake 1920 Comment
  RSA181615  Agastache urticifolia Dorothy Parker 1950-6-15 453 Siskiyou Along Kidder Creek. 915 Comment
  UCD124992  Agastache urticifolia A. H. Murphy 1958-8-4 58 D Siskiyou Klamath National Forest, Little Elk Lake. 1676 Comment
  CAS-BOT-BC29458  Ageratina occidentalis Gilbert J. Muth 1965-8-4 s.n. Siskiyou Near the Marble, Marble Valley Comment
  RSA113736  Ageratina occidentalis Beecher Crampton 1956-8-21 3843 Siskiyou Above the Sacramento River, just below the junction of the middle with the south fork. Comment
  RSA183723  Ageratina occidentalis Gilbert Muth 1965-8-4 167 Siskiyou Near the Marble, Marble Valley; Marble Mts. Comment
  SEINET6700676 Image available Ageratina occidentalis E. K. Balls 1949-7-10 13951 Siskiyou 1.5 miles from Finlay Camp on road from Etna to Sawyer's Bar 817 Comment
  RSA238736  Agoseris aurantiaca Frederick W. Oettinger 1968-8-14 512 Siskiyou Stream bank about 100 yards below Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  RSA238746  Agoseris aurantiaca Frederick W. Oettinger 1967-7-26 193 Siskiyou Occasional on Crapo Peak ridge between the Saddle-trail and summit; hot dry site. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2210 Comment
  JEPS36251  Agoseris grandiflora var. grandiflora Geo. D. Butler 1909-5-29 751 Siskiyou near Yreka Comment
  CAS-BOT-BC15377  Agoseris grandiflora var. grandiflora Wm. Bridge Cooke 1938-8-5 11441 Siskiyou MacBride Springs, on southwest side of Mount Shasta 1524 Comment
  CAS-BOT-BC126980  Agrostis exarata E. Palmer 1892-1-1 2634 Siskiyou Near Mount Shasta. Comment
  CAS-BOT-BC126988  Agrostis exarata A. A. Heller 1915-7-18 12114 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy. 1249 Comment
  CHSC88380  Agrostis exarata var. monolepis Jenny Marr 1993-7-1 185 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC139560  Agrostis gigantea David D. Keck 1938-8-7 4857 Siskiyou Scott mountain Lodge, 2 miles east of Callahan, on east Fork of Scott River at junction with Mill Creek. 1000 Comment
  CAS-BOT-BC139568  Agrostis gigantea W. R. Dudley 1899-8-15 s.n. Siskiyou Near Bartlets. Comment
  HSC69112  Agrostis gigantea Maralyn A. Renner 1980-8-6 2303 Siskiyou Cracker Meadow 1555 Comment
  RSA238366  Agrostis humilis Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1243 Siskiyou Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1883 Comment
  HSC21989  Agrostis pallens J. O. Sawyer 1969-8-1 1632 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  RSA239085  Agrostis pallens Frederick W. Oettinger 1969-9-3 1612 Siskiyou Shasta Ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UC1265418  Agrostis pallens F. W. Oettinger 1969-8-16 1390 b Siskiyou rocky slope near wiregrass meadow near Upper English Lake; Salmon Mountains 1767 Comment
  UC922324  Agrostis pallens Annie M. Alexander and Louise Kellogg 1949-7-20 5818 Siskiyou on hill n Paradise Lake; Marble Mountains 1920 Comment
  CAS-BOT-BC138698  Agrostis scabra Copeland 1903-9-5 3799 Siskiyou Igerna. Comment
  UCD53609  Agrostis stolonifera Mr. Roseman 1913-1 1 Siskiyou Butte Valley Comment
  CAS-BOT-BC138478  Agrostis variabilis Ira L. Wiggins 1955-7-27 13530 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area. 2042 Comment
  POM259583  Agrostis variabilis J. T. Howell 1939-8-9 15214 Siskiyou Sky High Valley, Marble Mountains. 1829 Comment
  UCD53731  Agrostis variabilis L. D. Whitney 1935-7-15 s.n. Siskiyou Bulls-eye. Comment
  CAS-BOT-BC138484  Agrostis variabilis W. R. Dudley 1901-8-23 s.n. Siskiyou Rocky Peak, Foxtail Ridge, Salmon Mountains. Comment
  CAS-BOT-BC462996  Allium bolanderi Volney Rattan 1903-1-1 s.n. Siskiyou Klamath Comment
  CAS-BOT-BC464500  Allium campanulatum Geo. D. Butler 1908-8-9 111 Siskiyou Summit above Cold Spring Woolly Creek Comment
  RSA50150  Allium falcifolium E. K. Balls 1949-7-8 13918 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mt. 1753 Comment
  CAS-BOT-BC472981  Allium membranaceum Volney Rattan 1879-6-10 s.n. Siskiyou Klamath Comment
  CAS-BOT-BC474287  Allium obtusum var. obtusum W. B. C. 1938-7-1 11163 Siskiyou Panther Creek Sand Flats. Sand Flats in openings, on morainal deposits in the Shata Fir forest. 1981 Comment
  RSA60650  Allium parvum Dorothy Parker 1946-4-11 122 Siskiyou Plowman s Valley. 1189 Comment
  CAS-BOT-BC132145  Allium siskiyouense Thomas Howell 1884-6-17 s.n. Siskiyou Siskiyou Mountains Comment
  UC164281  Allium siskiyouense Geo. D. Butler 1910-4-10 1167 Siskiyou hill near Yreka Comment
  UC375196  Allium siskiyouense Geo. D. Butler 1909-5-3 791 Siskiyou hill near Yreka Comment
  UCD138603  Allium siskiyouense Sandra L. Holloway 1963-7-14 s.n. Siskiyou ca. 5 miles south and 5 miles west of Weed. 2133 Comment
  UC375195  Allium validum Geo. D. Butler 1908-8-3 112 Siskiyou canyon below Log Lake Shackleford Creek Comment
  HSC60887  Allium validum Al Hobart Siskiyou Black Butte Comment
  SEINET3151668  Allocarya californica G. D. Butler 1910-5-29 1424 Siskiyou Damp place near Yuka. Comment
  UC618907  Allotropa virgata W. Bridge Cooke 1938-7-15 11227 Siskiyou Mount Shasta 2133 Comment
  CAS-BOT-BC171393  Alnus incana subsp. tenuifolia Alice Eastwood 1921-7-25 10823 Siskiyou Bigelows, on the Mc. Cloud R. Comment
  JEPS24791  Alnus incana subsp. tenuifolia Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6800 Siskiyou Castle Lake; shore, headwaters of Sacramento River 1661 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
  JEPS46400  Alnus rhombifolia W. L. Jepson 1920-1 Siskiyou Hamburg Klamath River Comment
  UC1313037  Alnus viridis subsp. sinuata Sandra L. Holloway 1963-6-2 72 Siskiyou 100 yd from Deep Creek (and 1/4 mi n of Deep Lake); Marble Mountain Comment
  RSA580862  Alopecurus aequalis var. aequalis L. C. Wheeler 1934-6-22 2751 Siskiyou Cottonwood Creek, Siskiyou Mountains. Mt. Diablo Mer. 915 Comment
  CHSC88382  Alyssum alyssoides Jenny Marr 1993-7-1 187 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS52986  Alyssum alyssoides Geo. D. Butler 1909-5-13 722 Siskiyou Cottonwood Creek Comment
  NY785943  Alyssum alyssoides A. A. Heller 1905-6-9 s.n. Siskiyou 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
  HSC4953  Amelanchier alnifolia var. pumila J. O. Sawyer 1968-7-10 481 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  JEPS82473  Amelanchier alnifolia var. pumila Gilbert Muth 1966-7-8 369 Siskiyou Marble Valley Meadow; Marble Mt. Wilderness Area 1792 Comment
  HSC36903  Amelanchier alnifolia var. semiintegrifolia J. P. Smith 1974-5-26 7543 Siskiyou Along FS Rd. 47N03 1524 Comment
Read comments
Feb 26 2013
  UC796436  Amelanchier alnifolia var. semiintegrifolia Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11777 Siskiyou about 5.5 mi from Etna on forks of Salmon Road Comment
  CAS-BOT-BC26879  Amelanchier gracilis Amos Arthur Heller 1905-6-5 7970 Siskiyou Between Shasta Retreat and Shasta Springs Comment
  UCD112889  Amelanchier pallida Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou SE of Marble Mountain, Marble Mountains. 1828 Comment
  CAS-BOT-BC136899  Amelanchier utahensis John Thomas Howell 1939-8-6 15098 Siskiyou Elk Mt., Marble Mts. Comment
  CAS-BOT-BC136905  Amelanchier utahensis Alice Eastwood 1912-7-15 1081 Siskiyou McCloud Comment
  JEPS82710  Amelanchier utahensis Wayne Roderick 1984-6-7 Siskiyou sw of Stewart Springs (Cabin Meadow); Cabin Meadow 1920 Comment
  UC144389 Image available Amelanchier utahensis A. A. Heller 1905-6-9 8003 Siskiyou Yreka Comment
  UC618747  Amelanchier utahensis unknown 1938-8-5 11434 Siskiyou MacBride Spring Road; Mount Shasta Comment
  UCD77329  Amelanchier utahensis Robert E. Preston 2001-6-23 1569 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, N slope of Rainbow Mountain at Hemlock Lake. 1889 Comment
  UCD119747  Amsinckia menziesii J. T. Howell; T. C. Fuller, G. D. Barbe 1980-4-29 2582 Siskiyou Grenada. 800 Comment
  CAS-BOT-BC64606  Androsace elongata subsp. acuta John Thomas Howell 1952-6-14 28347 Siskiyou 9.5 mi. from St. Jones on road to Callehan. Comment
  HSC68474  Anemone deltoidea Maralyn A. Renner 1980-6-26 1221 Siskiyou SE edge of Flint Valley. 1390 Comment
  HSC99847  Anemone deltoidea G. L. Clifton 1979-7-1 6179 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  CAS-BOT-BC391967  Anemone occidentalis L. E. Smith 1913-1-1 s.n. Siskiyou Mt. Shasta Comment
  RSA537380  Anemone occidentalis Walter Wisura, J. Romero 1991-10-16 4592 Siskiyou SW-slopes of Mt. Shasta near Ski bowl. Comment
  HSC70541  Angelica arguta Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  JEPS14076  Angelica arguta W. L. Jepson 1937-7-30 18564 Siskiyou Siskiyou Mountains, Poker Flat, headwaters of Indian Creek Poker Flat; Siskiyou Mountains, Poker Flat 1584 Comment
  UC1222616  Angelica arguta Joseph P. Tracy 1951-6-16 19486 Siskiyou near State line (summit of the Siskiyous, at crossing of the Takilma-Happy Camp Road); the Siskiyous, Takilma-Happy Camp Road Comment
  CAS-BOT-BC221415  Angelica hendersonii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. Below 6440 ft. summit Comment
  SEINET2040128  Antennaria argentea Roxanna S. Ferris, Lorraine, Laura 1948-6-12 11724 Siskiyou French Creek Logging Road, west of Callahan, altitude 1070 Comment
  CHSC30243  Antennaria geyeri M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3263 Siskiyou Little Mt. Hoffman, W side, between road and lookout. 2225 Comment
  UC726002  Antennaria geyeri A. A. Heller 1938-7-12 15245 Siskiyou 5 mi n Weed (on state highway #49) 1066 Comment
  OBI55455  Antennaria howellii subsp. howellii David J. Keil, Kathleen Keil 1992-7-21 23549 Siskiyou Klamath natl forest SE of Callahan. forest Rd 40N08, 4.2 mi W of Scott Mtn rd (hwy 3) Comment
  CAS-BOT-BC77346  Antennaria media John Thomas Howell 1937-7-24 13401 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  JEPS20904  Antennaria media Willis L. Jepson 1894-8-4 Siskiyou Horse Camp Mt. Shasta Comment
Read comments
Jan 23 2011
  RSA238723  Antennaria media Frederick W. Oettinger 1969-9-2 1598 Siskiyou The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Moist, rocky sedge meadow of late snow hold area on the N side of English Peak. Comment
  HSC62588  Antennaria microphylla Al Hobart Siskiyou Youngs Valley Comment
  HSC68151  Antennaria microphylla Steve Selva, J. P. Smith 1970-6-15 3969 Siskiyou 20 mi. E of Cecilville on the road to Callahan 1646 Comment
  CAS-BOT-BC102271  Anthemis cotula R. E. Frenkel 1964-10-2 874 Siskiyou On south-west side of Everitt Memorial Highway 1524 Comment
  RSA371501  Antirrhinum vexillocalyculatum subsp. breweri David M. Thompson 1983-7-2 363 Siskiyou Gazelle-Callahan Road, 2.5 miles NE of Hwy. 3. 1052 Comment
  HSC102657  Apera interrupta J. P. Smith 2009-6-1 12615 Siskiyou Road to Tenant. Comment
  CHSC1171  Aphyllon purpureum M. Yoder 1941-7-12 Siskiyou Castle Lake. 1981 Comment
  HSC65308  Apocynum androsaemifolium J. P. Smith, Steve Selva 1970-7-15 4371 Siskiyou 2 mi. below the Baldy Mt. Lookout Station. Comment
  HSC67802  Apocynum androsaemifolium J. Sawyer, J. Cole 1980-7-22 3981 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  RSA24234  Apocynum androsaemifolium subsp. pumilum C. B. Wolf 1940-12-13 3889 Siskiyou Mt. Shasta s lower slopes. 4 mi N of Mt. Shasta City along power line road. 1280 Comment
  UC635102  Aquilegia formosa Dorothy Tebbe 1929-6-25 24 Siskiyou Mount Eddy Comment
  HSC98160  Aquilegia formosa J. O. Sawyer 1969-7-1 993 Siskiyou Above Paynes Lake Creek 1951 Comment
  RSA68874  Aquilegia formosa var. truncata A. E. Culbertson 1943-7-1 82 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
  RSA0125742  Arabis breweri Frederick W. Oettinger 1968-9-9 806 Siskiyou Ridge near Tobacco Lake. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1966 Comment
  HSC90564  Arabis divaricarpa Jennifer Whipple 1977-7-22 2045 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  HSC69257  Arabis holboellii var. retrofracta J. O. Sawyer, J. Cole 1980-7-20 3741 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  HSC77124  Arabis holboellii var. retrofracta K. T. Stillman 1976-8-7 181 Siskiyou Marble Mtn. Wilderness Area. Comment
  CDA24657  Arabis holboellii var. retrofracta F. D. Horn 1977-5-2 Siskiyou Near Weed. 0 Comment
  SEINET3899885  Arabis holboellii var. retrofracta C. Leo Hitchcock, J. P. Martin 1939-7-9 5310 Siskiyou Between King's Castle and Black Mt.; 0 1829 Comment
  HSC240  Arabis platysperma William J. Ferlatte 1966-7-6 185 Siskiyou Caribou Mtn. 2470 Comment
  HSC26702  Arabis platysperma William J. Ferlatte 1971-9-18 1374 Siskiyou Caribou Meadow on N side of Caribou Mtn. 1982 Comment
  RSA60657  Arabis puberula I. L. Wiggins 1950-5-28 12376 Siskiyou Just above Grouse Lake, headwaters of Grouse Lake 1829 Comment
  POM266325  Arabis rectissima Marion Ownbey, Fred G. Meyer 1940-7-3 2161 Siskiyou 5 miles NW of McCloud. Comment
  UC375283  Arabis subpinnatifida Geo. D. Butler 1909-4-24 685 Siskiyou Greenhorn road Comment
  CAS-BOT-BC171698  Aralia californica J. H. Thomas; H. A. Thomas 1954-7-22 4441 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville, between Rush and Big Bend Creeks, .25 - .5 miles N of S Fork of Salmon river. Along banks of Big Bend Creek. 975 Comment
  CDA15524  Aralia californica G. F. Hrusa 1998-7-5 14692 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy., at mile 5.x. Sheet 1 of 2 Comment
  UCD128227  Aralia californica J. P. Smith; Steve Selva 1970-6-14 3887 Siskiyou 1 miles east of Steinacher Creek Road on road to Forks of Salmon. Comment
  SEINET2471273  Arceuthobium cyanocarpum R. L. Mathiasen 2008-9-16 2008 -29 Siskiyou 2 km N. of Park Creek Trailhead on forest road 17 2000 Comment
  UC1388343  Arctostaphylos Freed W. Hoffman 1948-7-8 2584 Siskiyou Waldo-Happy Camp Rd n West Branch Camp; North Coast Ranges Comment
  HSC43027  Arctostaphylos manzanita J. O. Sawyer, Ken Stillman 1976-7-2 2800 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  CAS-BOT-BC45437  Arctostaphylos nevadensis W. R. Dudley 1899-8-24 s.n. Siskiyou Side of Craggy Peak. Comment
  HSC4922  Arctostaphylos nevadensis J. O. Sawyer 1968-7-9 421 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  SBBG5452  Arctostaphylos nevadensis subsp. nevadensis H. and M. Dearing 1939-7-2 3800 Siskiyou Etna-Salmon Divide 1828 Comment
  CAS-BOT-BC46428  Arctostaphylos patula Doris K. Kildale 1929-4-27 7483 a Siskiyou Upper South Fork of Salmon River. Comment
  CAS-BOT-BC46455  Arctostaphylos patula H. P. Bracelin 1931-6-19 425 Siskiyou N. side of Mt. Eddy. Above Metcalf ranch house, N. of Shasta City about 8 mi. 1539 Comment
  CAS-BOT-BC46481  Arctostaphylos patula Doris K. Kildale 1928-7-4 5522 Siskiyou Summit of divide between Salmon River & Scott Valley. Comment
  CAS-BOT-BC46516  Arctostaphylos patula Doris K. Kildale 1929-8-24 8837 Siskiyou Preston Peak. 2228 Comment
  CAS-BOT-BC46524  Arctostaphylos patula Roxana S. Ferris; Laura Lorraine 1948-6-12 11771 Siskiyou About 6 mi. from Etna on forks of Salmon Road. 1706 Comment
  HSC68377  Arctostaphylos patula Maralyn A. Renner 1980-6-26 1211 Siskiyou N edge of Flint Valley 1390 Comment
  HSC7706  Arctostaphylos patula H. P. Chandler Jun 1901 1600 Siskiyou Near Marble Mountain 2287 Comment
  JEPS38841  Arctostaphylos patula Willis L. Jepson July 1894 14722 Siskiyou near Mt. Shasta; Sisson Comment
  POM367393  Arctostaphylos patula L. C. Wheeler 1934-6-25 2781 Siskiyou West Fork Cottonwood Creek. Siskiyou Mts. 1280 Comment
  POM367402  Arctostaphylos patula B. C. Templeton 1964-6-10 10067 Siskiyou Moutain slope of Mt. Shasta. Comment
  POM77504  Arctostaphylos patula Geo D. Butler 1908-8-5 102 Siskiyou West Fork of Wooley Creek. 1677 Comment
  RSA47603  Arctostaphylos patula Roxana S. Ferris, Laura Lorriane, R. T. Ferris 1948-6-12 11825 Siskiyou One mile below summit of Gazelle Mountain, Gazelle-Callahan grade, west side. 1220 Comment
  UC1483547  Arctostaphylos patula Maralyn A. Renner 1980-9-9 2764 Siskiyou ridge to sw Medecine Mtn.; Klamath National Forest, Forks of Salmon Quad. 2057 Comment
Read comments
Feb 9 2009
  CAS-BOT-BC46436  Arctostaphylos patula Dudley 1922-4-1 s.n. Siskiyou Etna Mills. Comment
  RSA629723  Arctostaphylos viscida subsp. viscida L. C. Wheeler 1958-8-19 7401 Siskiyou Seiad Creek Mine. Comment
  CAS-BOT-BC384753  Arenaria serpyllifolia var. serpyllifolia Roxana S. Ferris; Laura Lorraine 1948-6-12 11857 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side 1417 Comment
  SEINET3085679 Image available Arnica Milo S. Baker 1939-6-25 9462 Siskiyou Highway north of Weed towards Klamath Falls near margin of Winter Pool. Comment
  POM31414  Arnica amplexicaulis Geo. D. Butler 1910-7-7 1656 Siskiyou Shackleford Creek. Comment
  HSC82255  Arnica cordifolia Thomas W. Nelson, Jane P. Nelson 1980-7-20 6178 Siskiyou Hillside above Big Carmen Lake 1738 Comment
  RSA237485  Arnica cordifolia Frederick W. Oettinger 1968-9-1 647 Siskiyou SSW of Abbotts Lake, adjacent to Red Fir Forest. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  HSC22127  Arnica discoidea J. O. Sawyer 1969-7-23 1164 Siskiyou Near Horse Range Creek. 1341 Comment
  CAS-BOT-BC82605  Arnica lanceolata subsp. prima Geo. D. Butler 1910-7-7 1656 Siskiyou Shackleford Creek 914 Comment
  CAS-BOT-BC82758  Arnica mollis Wm. Bridge Cooke 1938-9-8 11652 Siskiyou Squaw Creek Meadow, along Squaw Creek from the middle meadow to the lower meadow 2286 Comment
  HSC28398  Arnica mollis Frederick W. Oettinger 1968-8-24 625 Siskiyou Marble Mountain Wilderness Area, below Tom's Lower Pond 1860 Comment
  UCSB27386  Arnica mollis Wilken, Dieter 1969-7-26 Siskiyou Panther Meadows, near summit of Mt. Shasta Ski Bowl Road, south slope of Mt. Shasta 2895 Comment
  CAS-BOT-BC90097  Artemisia Dewey Riscioni 1970-2-12 1001 Siskiyou Modoc N.F., Creum's Lake, near Lower Klamath Lake Comment
  UCD129171  Artemisia borealis subsp. borealis J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3750 Siskiyou southeast-facing slope, southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wildnerness Area. 2133 Comment
  HSC35802  Artemisia norvegica subsp. saxatilis J. O. Sawyer 1969-8-4 1821 Siskiyou Above Sugar Lake 2134 Comment
  UC630406  Artemisia norvegica subsp. saxatilis Annetta Quarter 1939-8-21 1470 Siskiyou steep slope above se end Taylor Lake ( 12 mi sw of Etna); Salmon Mountains 2194 Comment
  HSC92871  Artemisia tridentata subsp. tridentata Jennifer Whipple 1978-10-6 2412 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2256 Comment
  CHSC99975  Aruncus dioicus var. pubescens L. P. Janeway 2008-7-25 9492 Siskiyou Klamath Ranges. Siskiyou Mountains; at Horsetail Falls, along Road 48N20, along upper eastern fork of East Fork Seiad Creek. 1237 Comment
  UC1043534  Aruncus dioicus var. pubescens P. C. Everett and E. K. Balls 1954-10-13 20280 Siskiyou road to Kangaroo Mt. (6.5 mi ne of Hwy 96, Seiad Creek); Seiad Creek 701 Comment
  UC12125  Aruncus dioicus var. pubescens C. B. Bradley 1879-1 Siskiyou Comment
  SEINET11163156 Image available Aruncus sylvester Unknown 1974-8-12 Siskiyou Somes Bar Comment
  CAS-BOT-BC400591  Asarum caudatum A. A. Heller 1919-6-27 13276 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC400693  Asarum hartwegii J. H. Thomas 1954-5-13 4132 Siskiyou Southwestern Siskiyou County. Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Vicinity of Blind Horse Creek 1066 Comment
  CAS-BOT-BC400703  Asarum hartwegii Wm. Bridge Cooke 1938-6-24 11105 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  RSA569002  Asclepias cordifolia E. E. Stanford 1930-6-15 1594 Siskiyou Near Shasta City Comment
  RSA76058  Asclepias cordifolia Geo. D. Butler 1910-5-23 1396 Siskiyou Humbug Mtn. 1220 Comment
  JEPS94835  Asclepias fascicularis Vernon H. Oswald and Lowell Ahart 1998-9-8 9601 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi w of Mosquito Lake and Whitehorse Flat Reservoir Mosquito Lake; Julia Glover Flat on USFS 3 1112 Comment
  UC164151  Asclepias fascicularis Geo. D. Butler 1910-6-29 1613 Siskiyou near Yreka Comment
  HSC3731  Asclepias fascicularis C. B. Wolf 1927-8-26 1056 Siskiyou Klamath River, 3 mi. below Gottenville Comment
  CHSC33056  Asclepias speciosa J. P. Smith; Steve Selva 1970-6-16 4085 Siskiyou Immediately west of Sawyers Bar. Comment
  HSC65314  Asclepias speciosa J. P. Smith, Steve Selva 1970-7-15 4362 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  JEPS80660  Asclepias speciosa W. B. and V. G. Cooke 1980-7-26 59013 Siskiyou Everitt Memorial Highway Mt. Shasta Comment
  UC164150  Asclepias speciosa Geo. D. Butler 1910-6-8 1557 Siskiyou near Yreka Comment
  CHSC71559  Aspidotis densa Vernon H. Oswald; Lowell Ahart 1998-8-3 9448 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. 1767 Comment
  UC371157  Aspidotis densa G. D. Butler 1908-8-4 239 Siskiyou head of Shackleford Creek 1676 Comment
  CDA42727  Aspidotis densa T. C. Fuller, D. H. Shaw 1974-9-24 20043 Siskiyou Summit of the Siskiyou Mountains above Pacific Crest Trail, summit of the Siskiyou Mountains, east of White Mountain. 0 Comment
  RSA14502  Aster intermedius Elmer I. Applegate 1923-8-21 3918 Siskiyou Willow Creek, south of Lower Klamath Marsh. Comment
  CAS-BOT-BC178814  Astragalus californicus L. E. Smith 1915-5-30 s.n. Siskiyou Weed Comment
  RSA109717  Astragalus californicus H. D. Ripley, R. C. Barneby, F. C. Ripley Jr. 1948-7-5 9633 Siskiyou 2 miles SW of Yreka. Alt. 2800 ft. Comment
  CAS-BOT-BC186740  Astragalus gambelianus John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53384 Siskiyou Yreka 792 Comment
  HSC39771  Astragalus purshii J. O. Sawyer 1970-4-4 2080 Siskiyou Along Sugar Creek 823 Comment
  HSC101156  Astragalus purshii var. lectulus Dana York 2011-8-12 3050 Siskiyou Klamath National Forest, Marble Mountain ridge 2058 Comment
  JEPS93850  Astragalus purshii var. purshii Vernon H. Oswald and Lowell Ahart 1998-6-11 9202 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on the s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  POM259608  Astragalus purshii var. tinctus J. T. Howell 1939-8-4 15055 Siskiyou Marble Rim, Marble Mts 1890 Comment
  CAS-BOT-BC200849  Astragalus utahensis Geo. D. Butler 1910-5-5 1283 Siskiyou Humbug Mountain Comment
  UC1001185  Astragalus whitneyi var. siskiyouensis Dorothy Parker 1953-7-20 547 Siskiyou Cabin Meadow Creek near Cory Peak (Siskiyou Mountains, dry rocky hillside); Siskiyou Mountains, Cabin Meadow Creek nr Cory Peak 1981 Comment
  CDA26765  Astragalus whitneyi var. siskiyouensis T. C. Fuller 1960-6-29 4643 Siskiyou Scott Mountain Road, 4.2 miles south of Callahan. 0 Comment
  CDA26766  Astragalus whitneyi var. siskiyouensis Don Shaw 1977-5-13 Siskiyou Orr Ranch, Yreka. 0 Comment
  RSA0006883  Astragalus whitneyi var. siskiyouensis H. D. Ripley, R. C. Barneby 1954-5-7 11536 Siskiyou Scott Mts., 5 miles above Callahan. 1265 Comment
  CAS-BOT-BC105086  Asyneuma prenanthoides R. C. Wenk 2008-7-25 953 Siskiyou National Forest road 41N16, going N from Forest Highway 93 / Cecilville Rd. towards Russian Wilderness 1592 Comment
  UC1190382  Athyrium distentifolium var. americanum Ira L. Wiggins 1955-7-27 13567 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area 2042 Comment
  RSA333467  Athyrium filix-femina subsp. cyclosorum Dave Kelly, Walter Wisura 1985-7-30 4070 Siskiyou Siskiyou Mountains, along Middle Creek Road, north of Horse Creek. Comment
  CAS-BOT-BC66197  Athyrium filix-femina var. cyclosorum Doris K. Kildale 1929-7-20 8727 Siskiyou Raspberry Lake, upper Indian Creek 1828 Comment
  HSC4354  Atriplex rosea L. C. Wheeler 1934-10-24 3348 Siskiyou Oak Knoll Ranger Station, Klamath River 671 Comment
  UC1053434  Balsamorhiza deltoidea Rimo Bacigalupi and Arthur Holmgren 1950-4-24 3140 Siskiyou cliffs opposite of, along Sacramento River on e side of canyon, directly opposite railroad shops Dunsmuir; Sacramento River Comment
  CAS-BOT-BC106550  Balsamorhiza deltoidea Doris K. Kildale 1929-3-10 7773 Siskiyou Klamath River at Hornbrook 609 Comment
  HSC96813  Balsamorhiza deltoidea S. Lyon, J. McIntire 2006-6-25 29 Siskiyou 200 ft. W of intersection of FS 39N14 and 39N04 1616 Comment
  CDA16165  Balsamorhiza lanata G. F. Hrusa 1998-5-25 14472 Siskiyou Klamath Ranges; at +- Pioneer (1-2 mi N on Frontage Rd. of I-5), +-10 mi S of Weed, near Mt. Shasta city. 0 Comment
  CAS-BOT-BC16686  Barbarea orthoceras John Thomas Howell 1937-7-22 13263 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  HSC34001  Barbarea orthoceras J. P. Smith 1974-5-25 7487 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  RSA211344  Barbarea orthoceras William J. Ferlatte 1966-6-22 94 Siskiyou Along the South Fork of the Salmon River between the campground and Carter s. Trinity Alps. 1524 Comment
  RSA237235  Barbarea orthoceras Frederick W. Oettinger 1968-9-10 813 Siskiyou Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1822 Comment
  JEPS47772  Berberis aquifolium Geo. D. Butler 1908-7-9 541 Siskiyou near Yreka (McNutty's field) Comment
  HSC69429  Berberis aquifolium var. repens John Palmer 1980-7-23 569 Siskiyou Past Elbow Springs at end of USFS Rd. 15N19 1220 Comment
  HSC36763  Berberis nervosa Brent Whiteley 1975-6-28 76 Siskiyou 915 Comment
  UC165959  Berberis nervosa Geo. D. Butler 1910-5-5 1287 1/2 Siskiyou <Hanby Creek> Comment
  CAS-BOT-BC75931  Berberis piperiana Roxana S. Ferris; Laura Lorraine 1948-6-12 11814 Siskiyou At Mule Creek crossing of Scott Mountain Road. 1524 Comment
  SBBG25334  Berberis piperiana S. L. Holloway 1963-5-19 55 Siskiyou 2 mi E of forks of Big Humbug Crk, W of Hawkinsville 1066 Comment
  JEPS95283  Betula occidentalis Vernon H. Oswald and L. Ahart 1994-8-1 6443 Siskiyou T41N R6W NW1/4 Sec. 22, 5600 ft, Yellow Pine Forest. Junction of Forest Rd. 17, 3.3 mi SW of its junction with Stewart Springs Rd., W of Weed 1706 Comment
  HSC30407  Bistorta bistortoides Frederick W. Oettinger 1968-8-8 446 Siskiyou Marble Mtn. Wilderness Area, slope dropping down to Upper English Lake near trail 'Y' to English Peak 2165 Comment
  HSC5207  Blepharipappus scaber Duncan Dunning 1922-6-5 Siskiyou Moffett Creek, NW of Fort James Comment
  UC375284  Boechera acutina Geo. D. Butler 1910-6-5 1537 Siskiyou Log Lake Comment
  UC726668  Boechera rectissima A. A. Heller 1916-6-23 12421 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  CAS-BOT-BC14667  Boechera rectissima Alice Eastwood 1923-5-22 11895 Siskiyou Sisson. Comment
  CAS-BOT-BC25415  Boechera retrofracta George Dexter Butler 1910-6-5 1505 Siskiyou Shackleford Creek. Comment
  CAS-BOT-BC25420  Boechera retrofracta Doris K. Kildale 1929-4-27 7855 Siskiyou Upper South Fork of Salmon River. Cecilville. Comment
  HSC103180  Boechera rollei Dana York 2012-7-21 3129 Siskiyou Rogue River-Siskiyou National Forest, Siskiyou Mountains, ridge above Echo Lake. 1790 Comment
  UC165991  Boechera subpinnatifida Geo. D. Butler 1910-6-1 1446 Siskiyou Yreka Comment
  UC1925601  Botrychium simplex Alan R. Smith with Joan Smith 2008-7-27 2922 Siskiyou Mount Shasta, Upper Panther Meadows; N 41.21.355, W 122.11.974 to N 41.21.374, W 122.11.955 Comment
  HSC69437  Boykinia major John Palmer 1980-8-13 793 Siskiyou Dead Cow Creek near USFS Rd. 47N44, Beaver Creek Rd. 1616 Comment
  POM92218  Boykinia major Geo. D. Butler 1908-8-22 217 Siskiyou Salmon Mtn. 1677 Comment
  RSA238308  Boykinia major Frederick W. Oettinger 1968-8-15 525 Siskiyou E bank of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1936 Comment
  UC375291  Brassica rapa Geo. D. Butler 1908-6-20 1053 Siskiyou yards around Yreka Yreka Comment
  UCD77426  Brickellia grandiflora Robert E. Preston 2001-7-21 1711 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, 2026 Comment
  CAS-BOT-BC127714  Brickellia greenei L. E. Smith 1915-7-1 s.n. Siskiyou Castella Comment
  JEPS16950  Brickellia greenei Peter H. Raven 1956-9-5 10462 Siskiyou Fork of the Sacramento River 1828 Comment
  UC1040686  Brickellia greenei Beecher Crampton 1956-8-21 3840 Siskiyou bench above Sacramento River, just below junction of the Middle Fork with the South Fork Sacramento River 1112 Comment
  CDA1799  Bromus hordeaceus G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2780 Siskiyou Yreka. West of Motel 6, south of town, north of Greenhorn Creek Road. Comment
  HSC100299  Bromus hordeaceus J. P. Smith, & J. O. Sawyer 2011-6-25 13256 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  JEPS107456  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
  JEPS94892  Bromus japonicus Vernon H. Oswald and Lowell Ahart 1998-7-21 9326 Siskiyou Highway 97 between Weed and Macdoel (at the w end of Grass Lake); Grass Lake 1524 Comment
  UC593531  Bromus laevipes E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1907 Siskiyou about 7 mi sw of Yreka (s of highway from Yreka to Fort Jones, Forest House Mountain); Forest House Mountain 1371 Comment
  POM204679  Bromus marginatus Copeland 1903-09 3790 Siskiyou Mt. Eddy, California 1585 Comment
  SEINET3245417  Bromus orcuttianus A. A. Heller 1905-1 6454 Siskiyou Near Shasta Springs Comment
  UCD59740  Bromus suksdorfii Robert E. Preston 2001-7-21 1742 Siskiyou Klamath National Forest, Rainbow Mountain. 2255 Comment
  CAS-BOT-BC185595  Bromus tectorum Roxana S. Ferris; Laura Lorraine 1948-6-12 11721 A Siskiyou French Creek Logging Road west of Callahan. 1219 Comment
  CAS-BOT-BC185596  Bromus tectorum Roxana S. Ferris; Laura Lorraine 1941-8-11 10498 Siskiyou Grass Lake Station, on U.S. Highway 97. 1554 Comment
  HSC36429  Bromus tectorum J. O. Sawyer 1969-7-9 1216 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  HSC65420  Bromus tectorum J. P. Smith 1973-5-5 6548 Siskiyou Scott Bar along the Scott River Comment
  JEPS69222  Bromus tectorum George D. Butler 1909-8-16 860 Siskiyou near Yreka Comment
  UC70706  Bromus tectorum Jos. Burtt Davy 1902-6-15 Siskiyou Sisson Comment
  UC711821  Bromus tectorum Roxana S. Ferris and Laura Lorraine 1941-8-11 10498 Siskiyou Grass Lake Station, on U.S. Highway 97 Grass Lake Station 1554 Comment
  UCD59947  Bromus tectorum A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3617 Siskiyou At Weed. Comment
  HSC92322  Calamagrostis breweri Jennifer Whipple 1976-9-3 1779 Siskiyou W facing slope of ridge between Durney Lake and Little Crater Lake 2409 Comment
  HSC31054  Calamagrostis canadensis Frederick W. Oettinger 1968-9-1 636 Siskiyou Marble Mtn. Wilderness Area, SE side of Abbot's Lake 1723 Comment
  CAS-BOT-BC185262  Calamagrostis koelerioides Doris K. Kildale 1928-8-19 6544 Siskiyou Summit of divide between English Lake and Hancock Lake on trail to Marble Mountain. 2194 Comment
  UCD57318  Calamagrostis koelerioides A. H. Murphy 1956-8-16 56 U Siskiyou Klamath Natioal Forest, east end Big Marshy Meadow. 1828 Comment
  SEINET7584064 Image available Calliscirpus criniger Frederick W. Oettinger 1968-9-7 754 Siskiyou High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area, near Hancock Lake outlet. 1935 Comment
  SEINET13289850 Image available Calocedrus decurrens D. K. Bailey 1972-1 72 -36 Siskiyou Happy Camp, 7 mi. NW Comment
  UCR93344  Calochortus coeruleus Kathy Harper, Dane Karr 1994-6-15 s.n. Siskiyou State Hwy 89 about 5 mi west of Bartle 1159 Comment
  CAS-BOT-BC487851  Calochortus coeruleus W. B. Cooke; V. G. Cooke 1946-6-17 17525 Siskiyou Along road below Wagon Camp, Mt. Shasta 1737 Comment
  UC119789  Calochortus elegans Harley P. Chandler Jun 1901 1646 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  HSC60468  Calochortus elegans var. nanus Carl Wishner 1978-7-19 552 Siskiyou Monument Lake, Marble Mtn. Wilderness Area 1768 Comment
  CAS-BOT-BC132415  Calochortus greenei F. T. Callahan II 1989-9-1 s.n. Siskiyou NNW. of Iron Gate Res. 609 Comment
  JEPS104951  Calochortus greenei Dean W. Taylor 1996-6-26 15744 Siskiyou Iron Gate Reservoir; drainage of Brush Creek; Klamath National Forest 670 Comment
Read comments
Feb 28 2009
  SEINET3885346  Calochortus persistens Marion Ownbey, Sherman J. Preece 1952-6-25 3341 Siskiyou Ridge road to Deadwood Lookout, mountains west of Yreka.; 0 Comment
  CAS-BOT-BC181513  Caltha leptosepala Ira L. Wiggins 1950-5-28 12367 Siskiyou Small bog on side of ridge above Grouse Creek, ca. 1.5 mi. from Carmen Lake 1584 Comment
  HSC22852  Caltha leptosepala J. O. Sawyer 1969-6-13 943 Siskiyou W of Little Duck Lake 2043 Comment
  CAS-BOT-BC181501  Caltha leptosepala Milo S. Baker 1926-8-21 293 c-26 Siskiyou Wet spot near Sulphur Springs, 9 1/2 mi. from Mineral 2072 Comment
  CAS-BOT-BC273394  Calycadenia fremontii Doris K. Kildale 1925-9-6 1288 Siskiyou Somes Bar 274 Comment
  UC166116  Calycadenia truncata Geo. D. Butler 1908-8-29 320 Siskiyou Comment
  CAS-BOT-BC272751  Calycadenia truncata subsp. truncata L. E. Smith 1913-8-20 540 Siskiyou Montague Comment
  JEPS127643  Calyptridium monospermum Jurriaan M. de Vos 2014-7-10 313 Siskiyou Klamath NF. Along and just S of Pacific Crest Trail, ca. 250 m E from Cook and Green Pass (Forest Road 1055). Comment
  SBBG15882  Calyptridium monospermum D. Myrick 1961-6-21 309 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1981 Comment
  CDA23947  Calyptridium umbellatum T. C. Fuller 1962-6-11 8950 Siskiyou East side of Highway 99 to Mt. Shasta City, 1.3 miles south of Black Butte Summit. 0 Comment
  SD76155  Calyptridium umbellatum Helen V. Witham 1969-10-9 609 Siskiyou Near Ski Bowl, Mt. Shasta 2400 Comment
  UC640525  Camassia quamash subsp. breviflora Frank W. Gould 1940-5-15 1224 Siskiyou Goosenest Mountain, Bull Meadows Bull Meadows; Goosenest Mountain, Bull Meadows 152 Comment
  RSA29661  Camissonia contorta Louis C. Wheeler 1935-5-26 3527 Siskiyou Yreka Creek, Siskiyou Mountains 854 Comment
  UC1190263  Campanula prenanthoides Ira L. Wiggins 1955-7-23 13463 Siskiyou ridge w China Creek (s side of river); S Fork of Salmon River 960 Comment
  SEINET10462869  Campanula prenanthoides Chisaki 1959-8-20 CHISAKI 4736 Siskiyou NR CARTER MEADOW, CANYON OF E FORK SALMON RIVER 6000', RED FIR FOREST Comment
  SEINET10463148  Campanula prenanthoides Ownbey 1940-7-4 OWNBEY 2171 Siskiyou Dry north slope, Siskiyou Mountains, northwest of Hornbrook Comment
  RSA183736  Campanula rotundifolia Gilbert Muth 1965-8-18 235 Siskiyou Marble Mts.; trail behind Black Mt. Comment
  SEINET10463762  Campanula scouleri Ownbey 1940-7-8 OWNBEY 2226 Siskiyou Near summit of Siskiyou Mountains, 18 miles north of Happy Camp Comment
  SEINET10463889  Campanula wilkinsiana Ferlatte 1966-8-19 FERLATTE 446 Siskiyou KIDD CREEK TRAIL, STREAM BANK DENSELY WOODED CANYON. T37N R9W SEC.32 1676 Comment
  SEINET10972122  Campanula wilkinsiana D'Evelyn 1931-8-10 D'EVELYN s.n. Siskiyou Creek bed near Red Cap 2438 Comment
  JEPS53394  Cardamine californica var. integrifolia Geo. D. Butler 1909-4-11 649 Siskiyou Shasta Springs Comment
  RSA237227  Cardamine californica var. integrifolia Frederick W. Oettinger 1969-7-10 963 Siskiyou South of Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1921 Comment
  HSC22453  Cardamine oligosperma J. O. Sawyer 1969-6-11 860 Siskiyou Ravine just above CCC road 1280 Comment
  CDA16166  Cardaria draba G. F. Hrusa 1998-5-25 14473 Siskiyou Klamath Ranges; Along Klamath R. at Yreka (Hwy 96 rest area) on N side of entrance rd. 632 Comment
  CDA3648  Cardaria draba T. C. Fuller 1962-5-17 8739 Siskiyou Behind El Ranch Motel, Yreka. 0 Comment
  JEPS80501  Carex Gilbert Muth 1966-7-8 357 Siskiyou Marble Valley Marble Mt. Wilderness Area, Marble Valley 1792 Comment
  CAS-BOT-BC539693  Carex John Thomas Howell 1937-7-22 13322 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  RSA237245  Carex abrupta Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1260 Siskiyou Lower pond, Tom s Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  RSA237310  Carex abrupta Frederick W. Oettinger 1968-9-5 727 Siskiyou Stream near campsite, SE side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC17965  Carex angustata W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow. Comment
  POM81701  Carex angustata Geo D. Butler 1909-6-22 855 Siskiyou Goosenest Foothills 1524 Comment
  JEPS63766  Carex aquatilis W. L. Jepson July 1894 55 a Siskiyou Sisson Comment
  CAS-BOT-BC34158  Carex breweri J. W. Stacey 1938-7-28 11367 Siskiyou Mount Shasta. North Ridges. 2743 Comment
  LA17374  Carex breweri L. Ellison; 1928-9-12 500 Siskiyou Mount Shasta 3017 Comment
  CHSC52866  Carex echinata subsp. echinata L. P. Janeway 1983-8-16 558 Siskiyou At Poker Flat, a large meadow. 1524 Comment
  HSC101885  Carex echinata subsp. echinata Dana York 2011-9-9 3095 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  UC1265344  Carex echinata subsp. echinata Frederick W. Oettinger 1968-8-3 372 Siskiyou midway on trail between Diamond Lake and Hancock Lake (at Base Camp); Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  SEINET11310042 Image available Carex fracta Unknown 2009-1 24602 Siskiyou Yellow pine forest on Road A10 (Everett Memorial Highway), at McBride Springs Campground, SW slope of Mt. Shasta. Comment
  SEINET10843651  Carex fracta Cyrus G. Pringle 1881-8-23 Pringle s.n. Siskiyou Mount Shasta. 1829 Comment
  HSC76387  Carex hassei L. P. Janeway 1982-7-2 32 Siskiyou Poker Flat, end of FS Rd. 18N33 1524 Comment
  CHSC96166  Carex hoodii L. P. Janeway 2006-7-1 8720 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
  JEPS104437  Carex inops subsp. inops Martin J. Lenz 2003-6-9 19 Siskiyou 0.3 mi up 100R1 logging road from Tom Young Road, approx. 1 mi WNW of Pondosa 1254 Comment
  RSA0091009  Carex inops subsp. inops Dean Wm. Taylor 2004-7-20 19194 Siskiyou Mt. Shasta, slopes ca. 0.3 air mile E of Mud Creek dam. 1524 Comment
  UCD77475  Carex jonesii Robert E. Preston 2001-7-21 1726 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2066 Comment
  CAS-BOT-BC7578  Carex laeviculmis Doris K. Kildale 1928-8-19 6521 Siskiyou English Lake, head of north Fork of Salmon River Comment
  CHSC40191  Carex laeviculmis L. P. Janeway 1983-8-13 528 Siskiyou On s side and above S Fk Indian Cr. 1432 Comment
  CHSC95090  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, at alder-shaded creek on steep north-facing slope. Along seepy road side-drainage to the creek. 1554 Comment
  CAS-BOT-BC28428  Carex lenticularis var. lipocarpa William Bridge Cooke 1939-7-7 13613 Siskiyou In the bog formed by the lower Wagon Camp springs. 1737 Comment
  HSC76372  Carex lenticularis var. lipocarpa L. P. Janeway 1982-8-13 127 Siskiyou N side of Bear Lake 1814 Comment
  UC642547  Carex luzulina var. ablata W. Bridge Cooke 1939-7-7 13619 Siskiyou Sedge Swamp at Wagon Camp Mount Shasta 1737 Comment
  RSA577568  Carex mariposana L. C. Wheeler 1934-7-21 3014 Siskiyou Head of Jaynes Canyon. Siskiyou Mountains. 2043 Comment
  HSC76312  Carex mertensii L. P. Janeway 1982-8-15 145 Siskiyou Below Echo Lake 1646 Comment
  CAS-BOT-BC32276  Carex multicostata John Thomas Howell 1939-8-9 15219 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC32283  Carex multicostata William J. Ferlatte 1966-6-22 115 Siskiyou Josephine Lake basin. 1920 Comment
  HSC76654  Carex multicostata K. T. Stillman 1976-7-23 297 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  SEINET7568517 Image available Carex multicostata Frederick W. Oettinger, R. F. Thorne 1969-8-6 1244 Siskiyou High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, Pine Lake Meadows. 1844 Comment
  CHSC86681  Carex nebrascensis Jenny Marr 1993-7-1 63 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS25578  Carex nigricans Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7205 Siskiyou Panther Meadow, sw slopes of Mt. Shasta Mt. Shasta, Panther Meadow 2286 Comment
  UC1235  Carex nigricans W. H. Brewer 1862-9-15 1379 Siskiyou Mt. Shasta 2560 Comment
  POM248555  Carex nigricans W. Bridge Cooke 1938-7-21 11292 Siskiyou Heather meadow, Mt. Shasta. 2287 Comment
  SBBG30049  Carex nudata L. C. Wheeler 1934-9-22 3296 Siskiyou Walker, Klamath River 518 Comment
  CAS-BOT-BC119203  Carex pachystachya A. A. Heller 1916-7-20 12468 Siskiyou Near Wagon Creek Falls, E side of Mt. Eddy 1524 Comment
  CAS-BOT-BC119211  Carex pachystachya H. A. Thomas; J. H. Thomas 1954-7-24 4515 Siskiyou Salmon-Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. Ca 9 mi E of Cecilville. 1981 Comment
  SEINET8989728 Image available Carex pachystachya Unknown 2006-1 8717 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow north side of South Fork Salmon River. Deadman Peak 7.5 quad. Comment
  CAS-BOT-BC118937  Carex pellita W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow. Comment
  SEINET8275557  Carex pellita Elmer I. Applegate 1895-5-28 787 Siskiyou Sacramento River below Sisson Comment
  CAS-BOT-BC118770  Carex preslii John Thomas Howell 1937-7-24 13431 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC118789  Carex preslii William Bridge Cooke 1938-7-22 11344 Siskiyou Mt. Shasta 1981 Comment
  POM254882  Carex preslii J. T. Howell 1939-8-8 15157 Siskiyou Marble Mountains: Black Mountain Comment
  UCR52392  Carex rostrata L. P. Janeway 1982-7-2 37 Siskiyou Poker Flat, at bottom of the break between the upper & lower portions of the meadow 1524 Comment
  CHSC100000  Carex scabriuscula L. P. Janeway 2008-7-26 9511 Siskiyou Klamath Ranges. Between Castle Crags, Trinity Mountains, and The Eddys; about 200 m west-southwest of Heart Lake and about 0.8 km south of Castle Lake. Common on somewhat moist north-northeast facing slope. 1890 Comment
  HSC82382  Carex scabriuscula Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4536 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  HSC91238  Carex scabriuscula Jennifer Whipple 1976-6-19 1050 Siskiyou Near Durney Lake 2073 Comment
  SEINET10751138  Carex scopulorum var. bracteosa A. Arthur Heller 1922-7-3 Heller 13673 Siskiyou Wet soil along Wagon creek, Mt. Eddy, in the Canadian zone. 2195 Comment
  CAS-BOT-BC117243  Carex spectabilis W. R. Dudley 1901-8-23 s.n. Siskiyou First Canyon N of Caribou Peak. Comment
  UC1265456  Carex spectabilis Frederick W. Oettinger 1968-9-9 798 Siskiyou above Tom's upper Pond (n of Tom's Lake); Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  UC1363  Carex straminiformis W. H. Brewer 1862-9-13 1399 Siskiyou Mt. Shasta 2133 Comment
  CAS-BOT-BC115860  Carex subfusca 1902-9-7 5116 Siskiyou Horse Camp. Mt. Shasta 2438 Comment
  UC822440  Carex subfusca John Thomas Howell 1939-8-3 15004 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  UC1265466  Carex subfusca Frederick W. Oettinger 1969-8-19 1464 Siskiyou between King David Peak and Abbott's Basin; Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  CHSC38988  Carex vesicaria J. D. Jokerst 1983-7-5 1829 A Siskiyou Along the upper edges of the wet meadow. N end of Atkin's Meadow, ca 15 air miles east of McCloud. Comment
  RSA173646  Carex vesicaria Geo D. Butler 1910-7-8 1666 Siskiyou Log Lake, Shackleford Creek. 1220 Comment
  HSC22111  Cassiope mertensiana subsp. ciliolata J. O. Sawyer 1969-7-7 1080 Siskiyou NE facing slope above Big Duck Lake 2146 Comment
  HSC30461  Cassiope mertensiana subsp. ciliolata Frederick W. Oettinger 1968-8-1 336 Siskiyou Marble Mtn. Wilderness Area, High Lake Basins, inlet stream to Little Hancock Lake 2043 Comment
  HSC737  Cassiope mertensiana subsp. ciliolata William J. Ferlatte 1967-7-25 733 Siskiyou Caribou Basin 1982 Comment
  RSA211456  Cassiope mertensiana subsp. ciliolata William J. Ferlatte 1967-7-25 733 Siskiyou Caribou Basin. Trinity Alps. 1982 Comment
  UC1037464  Cassiope mertensiana subsp. ciliolata Douglas Barbe 1955-7-9 153 Siskiyou Cliffs south side of Kangaroo Lake, Scott Mtns. 1828 Comment
  HSC805  Castilleja applegatei William J. Ferlatte 1967-7-25 719 Siskiyou Caribou Basin 2287 Comment
  CAS-BOT-BC241143  Castilleja applegatei subsp. pinetorum John Thomas Howell 1937-7-29 13642 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  HSC72576  Castilleja applegatei subsp. pinetorum J. P. Smith 1976-5-5 8702 Siskiyou Road between Forks of Salmon and Somes Bar. 366 Comment
  HSC82256  Castilleja applegatei subsp. pinetorum Thomas W. Nelson, Jane P. Nelson 1980-7-20 6176 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  JEPS32578  Castilleja applegatei subsp. pinetorum Donald Myrick 1961-6-19 267 Siskiyou near Mt. Shasta City 1066 Comment
  JEPS6837  Castilleja applegatei subsp. pinetorum H. A. Thomas and J. H. Thomas 1954-7-21 4423 Siskiyou about 6 mi se Cecilville (w side of Rush Creek); Salmon-Trinity Mts. 1158 Comment
  JEPS83995  Castilleja applegatei subsp. pinetorum L. R. Heckard 1986-7-16 6406 Siskiyou ca 5 mi n town of Seiad Valley (cirque at head of Hell's Canyon); Hell's Canyon 1750 Comment
  SBBG6734  Castilleja applegatei subsp. pinetorum H. and M. Dearing 1939-6-4 3545 Siskiyou neer Weed Comment
  SEINET10818434  Castilleja applegatei subsp. pinetorum Karen M. Meyer, Andrew Townesmith 2007-8-2 Meyer 182 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
  UC164435  Castilleja applegatei subsp. pinetorum Geo. D. Butler 1909-6-23 931 Siskiyou Goosenest Mountain; foothills Comment
  UC54607  Castilleja applegatei subsp. pinetorum H. M. Hall and E. B. Babcock 1903-1 4114 Siskiyou near Sheep Rock (in Shasta Valley); Sierra Nevada Mountains, Mount Shasta, Shasta Valley 1524 Comment
  UC725307  Castilleja applegatei subsp. pinetorum A. A. Heller 1940-7-25 15766 Siskiyou along trail to Horse Camp; Mt. Shasta 2286 Comment
  CAS-BOT-BC243772  Castilleja applegatei var. pinetorum Geo. D. Butler 1909-6-22 931 Siskiyou Goosenest foothills Comment
  SD53345  Castilleja arachnoidea Darley F. Howe 1962-8-6 Siskiyou Mt. Shasta 2438 Comment
  JEPS13484  Castilleja arachnoidea Douglas Barbe 1955-7-26 285 Siskiyou n slope below the summit Scott Mountain; Klamath Mountains, Scott Mountain 1981 Comment
  POM42530  Castilleja arachnoidea Geo. D. Butler 1910-7-9 1712 Siskiyou Marble Mountain. 1829 Comment
  RSA237567  Castilleja arachnoidea Frederick W. Oettinger 1967-8-4 270 Siskiyou Trail from English Peak Lookout on southwest ridge. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2207 Comment
  JEPS4512  Castilleja lacera Geo. D. Butler 1910-5-26 1407 Siskiyou near Yreka Comment
  HSC75107  Castilleja lacera J. P. Smith, Thomas W. Nelson 1979-6-16 10137 Siskiyou Klamath National Forest; S.R. 3, 2.7 miles from the Scott Mtn.summit 1341 Comment
  CAS-BOT-BC254108  Castilleja miniata Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Skyhigh Lake Comment
  HSC61199  Castilleja miniata Al Hobart 1967-8-9 Siskiyou El Capitan Comment
  SEINET14142077  Castilleja miniata G. D. Butler 1910-6-3 1472 Siskiyou Quartz Valley. Comment
  UC618701  Castilleja miniata unknown 1938-9-8 11606 Siskiyou on talus beside Little Red Butte; Mount Shasta Comment
  POM42531  Castilleja miniata Geo. D. Butler 1910-6-3 1472 Siskiyou [?] Valley. Comment
  NY68148  Castilleja pratensis A. A. Heller 1905-6-20 8079 Siskiyou Comment
  JEPS3824  Castilleja pruinosa Geo. D. Butler 1909-5-30 757 Siskiyou Humbug Mountain Comment
  UC164321  Castilleja pruinosa Geo. D. Butler 1910-5-23 1387 Siskiyou Humbug Mountain Comment
  UC164436  Castilleja pruinosa Geo. D. Butler 1910-6-7 1529 Siskiyou Greenhorn Mountain Comment
  UC922482  Castilleja pruinosa Annie M. Alexander and Louise Kellogg 1949-7-29 5898 Siskiyou above Sky High Lake (trail to Hidden Lake); Marble Mountains, Sky High Valley 1767 Comment
  CAS-BOT-BC241086  Castilleja schizotricha Gilbert Muth 1965-8-6 s.n. Siskiyou Backside of Blk. Mt. 2072 Comment
  RSA428401  Castilleja schizotricha M. B. Dunkle 1945-1 9297 Siskiyou Klamath National Forest; Marble Mountains, Black Marble ridge [?]. Comment
  JEPS60242  Castilleja tenuis L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2303 Siskiyou 10 mi sw Macdoel (Bull Meadow on Ball Mountain Road); Bull Meadow 1584 Comment
  HSC92152  Ceanothus arcuatus Jennifer Whipple 1978-6-5 2350 Siskiyou Pass between Eddy Creek and Deadfall Creek drainages 2073 Comment
  CAS-BOT-BC48655  Ceanothus cordulatus Alice Eastwood 1921-7-24 s.n. Siskiyou Castle Lake Comment
  HSC36764  Ceanothus cuneatus J. P. Smith 1974-5-25 7398 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  SD42406  Ceanothus integerrimus Carl B. Wolf 1941-7-26 11079 Siskiyou Sacramento river Canyon, 1 mi. below Dunsmuir 671 Comment
  UC375368  Ceanothus integerrimus Geo. D. Butler Jun 22 1908-Jul 12 1908 411 Siskiyou Humphrey Mountain Comment
  UC80021  Ceanothus integerrimus M. K. Curran 1887-1 Siskiyou Siskiyou Mts. Comment
  CAS-BOT-BC50684  Ceanothus integerrimus var. macrothyrsus G. P. Rixford s.n. Siskiyou South side of Shaft-Rock Mt. Hilt Comment
  CAS-BOT-BC53079  Ceanothus prostratus Robert F. Thorne; Frederick W. Oettinger 1969-8-10 38946 Siskiyou Mt. Shasta National Forest - SW slope of Mt. Shasta along Ski Bowl Road 1280 Comment
  RSA256581  Ceanothus prostratus J. P. Smith 1974-5-26 7554 Siskiyou Along Forest Service Road 47N03. 1524 Comment
Read comments
Feb 26 2013
  CAS-BOT-BC53085  Ceanothus prostratus W. R. Dudley 1899-8-14 s.n. Siskiyou Pig Creek Hill, near McCoud Comment
  SBBG4462  Ceanothus prostratus var. prostratus H. and M. Dearing 1939-7-3 3543 Siskiyou near Weed Comment
  RSA23631  Ceanothus sanguineus O. V. Matthews 1939-6-7 9512 Siskiyou Mohawk Mine, Frog Pond trail, 2 miles S of Oregon-California line, alt 4000ft, siskiyou County 1220 Comment
  HSC99932  Ceanothus velutinus J. P. Smith, & J. O. Sawyer 2011-7-31 13351 Siskiyou Sugar Creek Trail W of Callahan 1463 Comment
  JEPS42384  Ceanothus velutinus W. L. Jepson July 1894 14014 Siskiyou Sisson Comment
  LA45114  Ceanothus velutinus Wm. Bridge Cooke; 1939-7-14 13692 Siskiyou Mount Shasta, along the Sisson Southern Trail 1523 Comment
  UC1409313  Ceanothus velutinus Frederick W. Oettinger 1968-8-10 469 Siskiyou on e side Hancock Lake ((high lake basins in vicinity of English Peak)); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  CDA15535  Ceanothus velutinus var. laevigatus G. F. Hrusa 1998-7-5 14703 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 8.8. Comment
  CAS-BOT-BC52808  Ceanothus velutinus var. velutinus Laura M. Lathrop 1903-7-25 s.n. Siskiyou Mt. Bradley Comment
  CAS-BOT-BC284487  Centaurea solstitialis W. B. Cooke; V. G. Cooke 1962-8-19 33547 Siskiyou Mt. Shasta 1280 Comment
  CDA38008  Centaurea squarrosa CDFA Staff 1991-1 s.n. Siskiyou Hawkinsville. 0 Comment
  UC189123  Centaurium muehlenbergii Edward Lee Greene Jul 1876 Siskiyou Yreka Comment
  CAS-BOT-BC288797  Centromadia fitchii Louis C. Wheeler 1934-10-6 3309 Siskiyou Shasta Valley 2 miles SE of Yreka 853 Comment
  CAS-BOT-BC288802  Centromadia fitchii L. E. Smith 1913-6-25 405 Siskiyou Yreka Comment
  CAS-BOT-BC123551  Centromadia pungens subsp. septentrionalis Harvey Monroe Hall 1930-9-27 12907 Siskiyou Shasta Valley, 1.8 miles S of Montague. Comment
  HSC43039  Cephalanthera austiniae J. O. Sawyer, K. T. Stillman 1976-7-2 2812 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  POM107576  Cephalanthera austiniae Geo D. Butler 1909-7-15 882 Siskiyou Russian Creek. 1829 Comment
  RSA240102  Cephalanthera austiniae Frederick W. Oettinger 1969-8-25 1549 Siskiyou Little North Fork Trail. The Salmon Mountains; the high lake basins in the vicinity of English Peak; Marble Mountain Wilderness Area 2012 Comment
  HSC92356  Cerastium arvense Jennifer Whipple 1976-7-1 1236 Siskiyou Near Durney Lake, W facing slope above lake 2073 Comment
  JEPS88003  Cerastium arvense Barbara Ertter 1990-7-14 9339 Siskiyou ca. 4 airmiles w. Mt. Shasta City (Wagon Creek on e. side of Mt. Eddy, where several forks join before steep drop); e side of Mt. Eddy, Wagon Creek 1828 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
  CDA3352  Cerastium dichotomum C. S. Giebner 1963-4-3 Siskiyou Chili Hammond property, halfway between Yreka and Montague. 0 Comment
  CAS-BOT-BC207630  Cercis occidentalis P. C. Everett; E. K. Balls 1959-10-24 23946 Siskiyou 7 mi. SW from Red Bank F. S. Camp on road from Sawyers Bar to Somersbar Comment
  SEINET6331969  Cercocarpus betuloides G. D. Butler 1910-5-30 1435 Siskiyou Humbug Creek Comment
  CAS-BOT-BC135447  Cercocarpus betuloides var. betuloides C. R. Quick 1950-6-21 50 -06 Siskiyou Along Beaver Creek Road, just N of Klamath River Comment
  UCD113081  Cercocarpus betuloides var. macrourus Delbert W. Hubbs 1975-10-8 s.n. Siskiyou Near Callahan. 1219 Comment
  POM316818  Cercocarpus ledifolius Patricia Wilder 1965-9-29 4191 Siskiyou Lava Beds National Monument at campground, Tule Lake 1372 Comment
  HSC63032  Cercocarpus montanus var. glaber J. P. Smith 1973-5-5 6506 Siskiyou Along Cook and Green Pass Rd. Comment
  RSA120871  Chaenactis carphoclinia H. K. Wagnon 1957-8-11 1698 Siskiyou East slope of Mt. Shasta on rd. to Brewer Cr., 3 mi. W of Military Pass Rd. Comment
  CAS-BOT-BC276754  Chaenactis douglasii var. douglasii Louis C. Wheeler 1934-6-15 2715 Siskiyou Hungry Creek, Siskiyou Mountains 1280 Comment
  CAS-BOT-BC276767  Chaenactis douglasii var. douglasii Alice Eastwood 1921-7-25 10816 Siskiyou Bigelows, McCloud River Comment
  CHSC69069  Chaenactis douglasii var. douglasii Vernon Oswald; Lowell Ahart 1997-7-28 8769 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi south of Medicine Lake. 1365 Comment
  JEPS34211  Chaenactis douglasii var. douglasii Duncan Dunning 1922-6-6 Siskiyou nw of Fort Jones; Moffett Creek Comment
  UC1408930  Chaenactis douglasii var. douglasii Frederick W. Oettinger 1968-8-16 529 Siskiyou n of Hancock Lake (near summit of Little Medicine Mountain (The high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area)); Salmon Mountains, Little Medicine Mountain 2103 Comment
  HSC42228  Chaenactis suffrutescens J. Mastrogiuseppe 1974-9-2 177 Siskiyou Siskyou/Trinity County line; Red Rock Mtn. 2256 Comment
  UC584275  Chaenactis suffrutescens G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2439 Siskiyou about 2 mi w of the State Highway (along Pars's Creek); Par's Creek 1036 Comment
  RSA23949  Chamaebatiaria millefolium O. V. Matthews 1939-7-13 35 Siskiyou NW slope of Goose Nest, E of Yreka. 1524 Comment
  HSC65290  Chamaecyparis lawsoniana Rich White 1978-7-18 258 Siskiyou Near stream outlet of Raspberry Lake. 1555 Comment
  HSC68435  Chamaecyparis lawsoniana Maralyn A. Renner 1980-7-5 1530 Siskiyou Doe Flat 1220 Comment
  RSA23630  Chamaecyparis nootkatensis O. V. Matthews 1939-6-7 12 Siskiyou NE slope of Mt. Emily, above Frog Pond, 2 mi. south of Oregon-California line 1524 Comment
  JEPS9107  Chamaesaracha nana W. L. Jepson 1940-7-1 20087 Siskiyou 6 mi e McCloud (Fowlers Camp); McCloud River 975 Comment
  UCD126575  Chamaesaracha nana T. C. Fuller 1962-6-12 8967 Siskiyou east side of Davis Road to Medicine Lake, 0.2 mile south of road to Dorris, ca. 16 miles east of Macdoel. Comment
  RSA0030885  Chamaesyce Louis C. Wheeler 1935-7-4 3652 Siskiyou Yreka. 800 Comment
  RSA571805  Chamaesyce serpillifolia W. Bridge Cooke 1941-9-5 16258 Siskiyou Along the Memorial Highway, Mt. Shasta. 1372 Comment
  JEPS52362  Chamaesyce serpyllifolia Geo. D. Butler 1908-8-15 70 Siskiyou near Yreka; McNulty Ranch Comment
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May 7 2008
  UC163690  Chamaesyce serpyllifolia Geo. D. Butler 1908-7-14 445 Siskiyou near Yreka Comment
  HSC36743  Chamerion angustifolium subsp. circumvagum Brent Whiteley 1975-6-22 26 Siskiyou 220 Comment
  UC454600  Chamerion angustifolium subsp. circumvagum I. J. Condit 1911-7-3 Siskiyou along river Sacramento River, Shasta Retreat Comment
  UC1037384  Chamerion angustifolium subsp. circumvagum Douglas Barbe 1955-7-5 105 Siskiyou on Greenview Rd 5 mi n Etna (e side of rd); Klamath Mountains 883 Comment
  CAS-BOT-BC70223  Cheilanthes gracillima Copeland 1903-7-16 3505 Siskiyou Mt. Shasta Comment
  UC71521  Cheilanthes gracillima W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou 18th Crossing Sisson; Mt Shasta Comment
  UCR30511  Cheilanthes gracillima John C. Roos 1948-9-1 3947 Siskiyou High ridge, summit of pass, in the mountains SW of Etna Comment
  RSA331961  Cheilanthes gracillima W. Wisura, Dave Kelly 1985-7-30 4075 Siskiyou Along forestry road 47N63 near Siskiyou Summit, N of Horse Creek on Hwy 96. Comment
  UC399610  Cheilanthes gracillima Geo. D. Butler 1910-3-13 1126 Siskiyou rocky bluff on Klamath River Comment
  RSA238391  Chenopodium Frederick W. Oettinger 1969-8-24 1533 Siskiyou English Lake; The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  CDA30922  Chenopodium botrys M. Beyers, G. F. Hrusa 2010-8-18 699 Siskiyou Highway 96; Sluice Box Klamath River Access. 556 Comment
  JEPS59738  Chenopodium botrys W. L. Jepson 1914-8-9 5742 Siskiyou McCloud 1036 Comment
  UC1034058  Chenopodium botrys W. Bridge Cooke 1941-9-5 16265 Siskiyou along Memorial Hwy as far as MacBride Springs; Mt. Shasta Comment
  CLARK-A1528-7839  Chenopodium vulvaria John C. Roos 1948-9-1 3985 Siskiyou Fort Jones Comment
  RSA624500  Chenopodium vulvaria L. C. Wheeler 1935-7-13 3656 Siskiyou Ager. 793 Comment
  CAS-BOT-BC451438  Chimaphila menziesii S. P. Rixford no date on label s.n. Siskiyou Hilt Comment
  RSA120884  Chimaphila menziesii G. D. Barbe 1957-7-13 389 Siskiyou Private road from Big Flat Camp to the Salmon-Trinity Alps Wilderness Area. 1524 Comment
  UCD117374  Chimaphila menziesii John M. Tucker; L. K. Mann 1963-7-4 3693 Siskiyou Beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. Comment
  CAS-BOT-BC452269  Chimaphila umbellata Dr. E. B. Copeland 1903-8-15 s.n. (distributed as C.F. Baker's 3828 ) Siskiyou Mt. Shasta 1828 Comment
  HSC68473  Chimaphila umbellata Maralyn A. Renner 1980-6-26 1223 Siskiyou SE edge of Flint Valley. 1390 Comment
  CAS-BOT-BC452276  Chimaphila umbellata C. Hart Merriam 1921-7-7 s.n. Siskiyou South Fork Ridge Comment
  HSC30460  Chimaphila umbellata Frederick W. Oettinger, R. F. Thorne 1969-8-7 1279 Siskiyou W end of English Lake 1753 Comment
  HSC62628  Chimaphila umbellata Ruby Van Deventer 1957-8-5 Siskiyou Youngs Valley Comment
  SEINET12047170  Chlorogalum pomeridianum F. H. Utech 1978-1 78 -264 Siskiyou Klamath National Forest, Young's Valley Comment
  CHSC91253  Chorispora tenella Lowell Ahart; John Dittes 2005-6-10 12120 Siskiyou East 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
  JEPS107654  Chorispora tenella Lowell Ahart, John Dittes 2005-6-10 12120 Siskiyou East 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
  JEPS37852  Chrysolepis chrysophylla Geo. D. Butler 1908-8-26 491 Siskiyou w side Salmon Mountain (along grade) 1524 Comment
  HSC4938  Chrysolepis sempervirens J. O. Sawyer 1968-6-25 331 Siskiyou 1646 Comment
  UC1733724  Chrysolepis sempervirens Kay H. Beach, Frank Gould 1940-5-15 634 Siskiyou Meadows and Goosenest Mtn 1828 Comment
  UC5441  Chrysolepis sempervirens Milo S. Baker 1893-8-8 Siskiyou Medicine Lake 1981 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
  POM82888  Cicuta douglasii Geo. D. Butler 1918-7-15 1788 Siskiyou [Unspecified] Comment
  RSA239135  Cinna latifolia Frederick W. Oettinger 1968-9-2 663 Siskiyou Southwest of Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  HSC42957  Circaea alpina subsp. pacifica J. O. Sawyer, Ken Stillman 1976-7-1 2783 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  JEPS43891  Circaea alpina subsp. pacifica Willis L. Jepson July 1894 14387 Siskiyou Sisson Comment
  UC1584312  Cirsium andersonii Julie Kierstead 1990-7-18 90 -107 Siskiyou w of Gumboot Lake (on FS Rd. 40N26, Mt. Shasta R.D.); Mt. Shasta 1950 Comment
  JEPS82112  Cirsium brevistylum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7478 Siskiyou 0.2 mi w Rogers Creek crossing (along California highway 96, road bank on e side of canyon); Klamath River Canyon 228 Comment
  OBI60938  Cirsium cymosum var. cymosum B. Villegas 1999-6-8 s.n. Siskiyou Shasta Valley, Slough Rd approx 2 mi S of Louie Rd near I-5 Comment
  UC2013018  Cirsium douglasii Barbara Ertter 1990-7-14 9345 Siskiyou Wagon Creek on E side of Mt. Eddy, ca 4 air miles W of Mt. Shasta City. 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
  POM52121  Cirsium douglasii var. breweri S. B. Parish 1902-9-10 5749 Siskiyou Sissons Comment
  CAS-BOT-BC285556  Cirsium occidentale var. candidissimum Louis C. Wheeler 1934-7-16 2908 Siskiyou Klamath National Forest. Oak Knoll R. S. 670 Comment
  CAS-BOT-BC285573  Cirsium occidentale var. candidissimum L. E. Smith 1913-7-24 510 Siskiyou Yreka Comment
  HSC27654  Cirsium occidentale var. candidissimum Carl W. Mize 1972-7-8 9 Siskiyou Along Wooly Creek trail 328 Comment
  JEPS80598  Cirsium remotifolium var. odontolepis Gilbert Muth 1966-8-1 485 Siskiyou Marble Valley Horse Pasture Marble Mt. Wilderness Area 1792 Comment
  RSA439203  Cirsium scariosum E. Yale Dawson 1948-7-16 5099 b Siskiyou Margins of Grass Lake, north of Mount Shasta 1524 Comment
  CAS-BOT-BC228956  Cistanthe umbellata Doris K. Kildale; J. W. Gillespie 1929-6-22 8038 Siskiyou Base of Black Butte, Mt Shasta Comment
  CAS-BOT-BC228973  Cistanthe umbellata Geo. B. Grant 1902-9-7 s.n. Siskiyou Mt Shasta Comment
  UCR93364  Clarkia concinna Kathy Harper, Dane Karr 1994-6-14 s.n. Siskiyou Sierra Nevada Mtns., State Hwy 96, south of Happy Camp (at mi. Marker 13.96) 244 Comment
  CAS-BOT-BC164165  Clarkia concinna Mrs. Dorothy Parker 1961-5-26 874 Siskiyou Dry rocky hillside near Cecilville Comment
  CAS-BOT-BC172046  Clarkia gracilis subsp. gracilis Roxana S. Ferris; Laura Lorraine 1948-6-12 11711 Siskiyou Schoolhouse Hill, Plowmans Valley (Noyes Valley), east fork of Scott River Comment
  UC630641  Clarkia gracilis subsp. gracilis Joseph P. Tracy 1939-4-29 16274 Siskiyou 3 mi n of mouth Salmon River (Somes Bar); Klamath River 243 Comment
  SBBG30604  Clarkia purpurea subsp. quadrivulnera D. Myrick 1968-6-22 1994 Siskiyou Lava Beds Nat Monument 1371 Comment
  CAS-BOT-BC164970  Clarkia rhomboidea A. A. Heller 1916-6-23 12435 Siskiyou Near Black Butte north of Sisson 1127 Comment
  RSA60534  Clarkia rhomboidea John H. Thomas 1949-6-16 948 Siskiyou 0.25 mile north of Beaver Creek Public Camp; 5 miles north of junction of Beaver Creek and Klamath River; Klamath National Forest. Comment
  CAS-BOT-BC164978  Clarkia rhomboidea A. A. Heller 1920-7-6 133420 Siskiyou Metcalf's ranch, northeast side of Mt. Eddy Comment
  CAS-BOT-BC439105  Claytonia cordifolia G. J. Muth 1969-8-12 1380 Siskiyou Second Valley Comment
  JEPS43185  Claytonia cordifolia Geo. D. Butler 1910-6-5 1510 Siskiyou Shackleford Creek Comment
  UC922368  Claytonia cordifolia Annie M. Alexander and Louise Kellogg 1949-7-24 5870 Siskiyou Paradise Lake; Marble Mountains 1920 Comment
  HSC61812  Claytonia lanceolata Ruby Van Deventer 8 Jun [year missing] Siskiyou Poker Flat 1585 Comment
  SBBG1928  Claytonia lanceolata J. F. Davidson, J. M. Tucker 1947-5-17 1568 Siskiyou summit of Scott Mtn 2072 Comment
  CAS-BOT-BC439811  Claytonia perfoliata Elmer I. Applegate 1935-6-7 9390 Siskiyou Old Sheepherders' road, Lava Beds National Monument Comment
  RSA211299  Claytonia rubra William J. Ferlatte 1966-6-22 107 Siskiyou Wooded area 3 miles S of Big Flat. 1585 Comment
  HSC41078  Claytonia rubra subsp. rubra J. O. Sawyer 1970-4-3 2053 Siskiyou Robinsons Flat, 4 mi. E of Sawyers Bar 732 Comment
  CAS-BOT-BC92759  Clematis ligusticifolia Geo. D. Butler 1910-8-3 1810 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC92764  Clematis ligusticifolia Geo. B. Grant 1902-9-14 s.n. Siskiyou Dunsmuir. 609 Comment
  RSA386277  Clematis ligusticifolia Bonnie C. Templeton 1957-6-22 s.n. Siskiyou Along the Scott River, north of Callahan. Comment
  UCD22744  Clematis ligusticifolia Allison R. Holzer 1980-7-20 28 Siskiyou Approximately 8 miles south of Etna along Hwy 3. 883 Comment
  SEINET6907100  Clematis ligusticifolia M. K. Solecki, J. B. Taft 1986-9-9 2142 Siskiyou Bank of Scotty River near Indian Scotty campground; elevation 2,200 feet. 670 Comment
  SEINET3153949  Cleome platycarpa G. D. Butler 1910-5-11 1335 Siskiyou About 6 Shasta valley N of Honey Lake, at ca. 4200 feet elevation. 1280 Comment
  CAS-BOT-BC238056  Collinsia Alice Eastwood 1912-7-15 s.n. Siskiyou Mc Cloud [McCloud] Comment
  UC164320  Collinsia grandiflora Geo. D. Butler 1911-4-23 1226 Siskiyou Quartz Valley; damp meadow Comment
  CAS-BOT-BC94402  Collinsia linearis R. C. Wenk 2005-7-15 199 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail 1645 Comment
  JEPS3848  Collinsia linearis Duncan Dunning 1923-6-13 Siskiyou sw Sawyers Bar (near Blue Ridge Ranger Station) Comment
  RSA261378  Collinsia linearis J. M. Tucker, L. K. Mann 1963-7-4 3691 Siskiyou Beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. Comment
  CHSC89527  Collinsia parviflora G. F. Hrusa 2001-6-6 15848 Siskiyou Siskiyou Mountains. Nr. summit of pass betw. Happy Camp and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. Roadside. UTM: 10S, 4649821 N, 0456023 E. 1424 Comment
  CHSC35603  Collinsia rattanii J. P. Smith; J. Whipple 1978-7-2 9979 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1767 Comment
  UC164317  Collinsia rattanii Geo. D. Butler 1910-5-1 1262 Siskiyou Humbug Mountain Comment
  HSC4799  Collinsia torreyi var. latifolia William J. Ferlatte 1966-7-7 193 Siskiyou Caribou Basin 1982 Comment
  HSC44931  Collomia grandiflora J. O. Sawyer 1978-6-19 3252 Siskiyou Marble Mtn. Wilderness Area, trail between Timothy Gulch and Harry Hall Gulch 1433 Comment
  JEPS70999  Collomia grandiflora W. L. Jepson 1940-6-23 20025 Siskiyou n Mt. Shasta; Andesite station 975 Comment
  UC1299509  Collomia grandiflora Freed W. Hoffman 1948-7-7 2408 Siskiyou Callahan Comment
  UC1408779  Collomia grandiflora Frederick W. Oettinger 1969-7-27 1078 Siskiyou meadows nw Little English Lake (High Lake Basins in vicinity of English Peak, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  UC23612  Collomia grandiflora T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC602584  Collomia grandiflora W. Bridge Cooke 1938-8-19 11522 Siskiyou near spring creek; Mt. Shasta, Bear Springs 1524 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
  UCSB3064  Collomia heterophylla Hardham, Clare 1965-8-20 Siskiyou Granite Trail; Cudahy Lakes; Marble Mountains 1219 Comment
  UC1540190  Collomia tinctoria Dean W. Taylor 1987-6-26 9073 Siskiyou 2 mi se Medecine Lake; Paynes Springs 1996 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
  CDA26905  Colutea arborescens F. D. Horn 1980-8-22 Siskiyou Off freeway, I-5, Dunsmuir. 0 Comment
  HSC45041  Corallorhiza maculata J. O. Sawyer, E. Cope 1977-6-19 2942 Siskiyou Clear Creek Trail between West Fork and Preston Creek 854 Comment
  UC1177929  Corallorhiza maculata Francia Chisaki and Gene B. Newcomb 1958-6-21 1146 Siskiyou on Everitt Hill road 3.5 mi e junction with Highway 99 & 89; Everitt Hill 1447 Comment
  CHSC105587  Cordylanthus tenuis subsp. pallescens Barbara L. Wilson; Richard E. Brainerd 2010-8-3 16187 Siskiyou South of Black Butte, east of the dump, on Shasta-Trinity National Forest property; UTM zone 10T, 555437 east, 4577898 North. Comment
  CHSC105588  Cordylanthus tenuis subsp. pallescens Barbara L. Wilson; Richard E. Brainerd 2010-8-9 16290 b Siskiyou Town of Weed; above the asphalt playground at the elementary school, below Hillside Drive, at the same elevation as the parking lot and east of it (study site 28). Label says Lat. and Long. as indicated +/- 59 feet. 1107 Comment
  UC1012233 Image available Cordylanthus tenuis subsp. pallescens F. W. Pennell 1940-7-19 26184 Siskiyou N of Mt. Shasta City, Siskiyou Co. Comment
  RSA517292  Cordylanthus tenuis subsp. tenuis Barbara J. Ertter 1987-7-26 7325 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
  SEINET13682592  Cordylanthus tenuis subsp. viscidus B. L. Wilson, R. E. Brainerd 2010-8-5 16222 Siskiyou Shasta-Trinity NF, ca junction of Hwy 89 and FR 41N06, ca 10 miles E of McCloud. 774 Comment
  UCD123177  Cordylanthus tenuis subsp. viscidus Rimo Bacigalupi; C. L. Custer, G. T. Robbins 1954-8-12 4790 Siskiyou 5.1 miles below (and SE of) summit of the road between Takilma, Oregon and Happy Camp, California. Klamath National Forest, Siskiyou Mountains; drainage of the West Branch of Indian Creek. 914 Comment
  CAS-BOT-BC101078  Coreopsis lanceolata John H. Thomas 1969-9-7 15466 Siskiyou near railroad tracks, McCloud Comment
  RSA397706  Cornus glabrata B. C. Templeton 1957-6-22 7736 Siskiyou Between Callahan and Gazelle. Comment
  CAS-BOT-BC212059  Cornus nuttallii Doris K. Kildale 1928-8-18 6417 Siskiyou North Fork Salmon river at Finley Camp Comment
  CAS-BOT-BC212063  Cornus nuttallii Alice Eastwood 1923-5-27 11994 Siskiyou Shasta Springs Comment
  RSA397467  Cornus nuttallii B. C. Templeton 1957-6-22 7747 Siskiyou Near the summit of Scott Mt. Comment
  CAS-BOT-BC210402  Cornus sericea Wm. Bridge Cooke 1938-7-1 11121 Siskiyou Mount Shasta. Bear Spring Comment
  CAS-BOT-BC210421  Cornus sericea Alice Eastwood 1912-7-17 1177 Siskiyou Sisson Comment
  RSA8556  Cornus stolonifera Elmer I. Applegate 1923-9-7 3947 Siskiyou Doggett Creek, Klamath River. Comment
  UC375259  Corylus californica Geo. D. Butler 1909-3-21 564 Siskiyou near Oro Fino Comment
  CAS-BOT-BC180195  Corylus cornuta subsp. californica Wm. Bridge Cooke 1940-7-12 15308 Siskiyou along creeks near the Box Canyon of the Sacramento River near Mount Shasta 914 Comment
  RSA481444  Corylus cornuta var. californica E. E. Stanford 1930-6-15 1584 Siskiyou 1 mile north of Dunsmuir. Comment
  SEINET10543254  Crataegus douglasii Louis C. Wheeler 1934-6-27 Wheeler 2804 Siskiyou Along seasonal creek in flat valley, Cottonwood Creek. Siskiyou Mts. 2900 feet. S15, T48N, R7W, Mt. Diablo Mer. Comment
  HSC101718  Crataegus gaylussacia J. P. Smith, J. O. Sawyer 2011-6-25 13275 Siskiyou Along Sugar Creek Rd. 1214 Comment
  HSC101756  Crataegus gaylussacia J. P. Smith, J. O. Sawyer 2011-9-3 13406 Siskiyou Fence row along Cole Rd. to Siskiyou Summit 910 Comment
  JEPS36459  Crepis occidentalis Geo. D. Butler 1909-5-31 748 Siskiyou Hawkinsville Comment
  UC53891  Crepis occidentalis H. M. Hall and E. B. Babcock June, 1903 4116 Siskiyou near Sheep Rock; Mt. Shasta 1524 Comment
  UC91845  Crepis occidentalis T. S. Brandegee Jul 1887 Siskiyou Sisson's Comment
  JEPS101150  Crepis pleurocarpa Dean W. Taylor 1996-6-19 15710 Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 Comment
  UCD77572  Crepis pleurocarpa Robert E. Preston 2002-7-12 1913 Siskiyou Klamath National Forest, Rainbow Mountain. 1913 Comment
  CAS-BOT-BC290871  Crepis pleurocarpa Louis C. Wheeler 1934-8-16 3168 Siskiyou 2 mi. E White Mt., Siskiyou Mts. 1920 Comment
  CAS-BOT-BC376470  Crepis pleurocarpa Louis C. Wheeler 1934-8-16 3168 Siskiyou Klamath National Forest. 2 mi. E. White Mt. 1920 Comment
  HSC43838  Crocidium multicaule Maralyn O'Meara 1974-5-27 494 Siskiyou 7.4 mi. NE of Ft. Jones on Hwy. 3 1159 Comment
  JEPS22546  Crocidium multicaule George D. Butler 1909-3-7 553 Siskiyou near Yreka (upper field of Butler's Ranch) Comment
  UC589661  Crocidium multicaule Douglas Horn 1938-4-17 35 Siskiyou e of Etna 868 Comment
  UC1181809  Crocidium multicaule Dorothy Parker 1950-3-14 383 Siskiyou e side Scott Valley; Siskiyou Mountains, Scott Valley 853 Comment
  UC618853  Cryptantha affinis unknown 1938-7-15 11187 Siskiyou Bear Springs meadow Mount Shasta, Bear Springs 1524 Comment
  UC163852  Cryptantha dissita Geo. D. Butler 1910-5-27 1416 Siskiyou near Yreka Comment
  CDA18396  Cryptantha flaccida G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2770 Siskiyou Klamath Ranges; At the bridge of Hwy 3 over the East Fork Scott River, 2 mi W of Callahan. 987 Comment
  UC78717  Cryptantha flaccida T. S. Brandegee Jul 1887 Siskiyou Edgewood Comment
  HSC99247  Cryptantha subretusa Jennifer Whipple 1976-9-2 1761 Siskiyou S face of Mt. Eddy draining into the N Fork of the Sacramento River 2500 Comment
  SDSU20232  Cryptantha subretusa Ronald B. Kelley 2005-7-14 928 Siskiyou On south-southwest-facing slope of Mt. Eddy at switchback of Mt. Eddy trail, on both sides of trail. 2594 Comment
  UC42458  Cryptogramma cascadensis Marshall A. Howe 1894-8-4 Siskiyou Mt Shasta 2590 Comment
  CAS-BOT-BC70531  Cryptogramma cascadensis Geo. B. Grant 1902-9-1 5098 Siskiyou Horse Camp, Mt. Shasta 2438 Comment
  CAS-BOT-BC80548  Cupressus bakeri O. V. Matthews 1939-7-18 38 Siskiyou Northeast [Goose Nest] Goosenest, East of Yreka 1828 Comment
  CAS-BOT-BC80564  Cupressus bakeri Oliver V. Matthews 1939-7-11 32 Siskiyou Seiad Grove and Region 1463 Comment
  NY16594  Cupressus bakeri C. B. Wolf 1944-10-30 11481 Siskiyou 1 mile northeast of Timbered Center, Modoc Lava Beds on old stageroad from Dana to Little Hot Springs Valley 1219.2 Comment
  UC650672  Cupressus bakeri Oliver V. Matthews 1939-7-18 37 Siskiyou ne Goose Nest Grove Goose Nest Region 1524 Comment
  RSA22761  Cupressus bakeri O. V. Matthews 1939-7-18 38 Siskiyou Northeast Goose Nest. East of Yreka 1524 Comment
  NY1293  Cupressus bakeri subsp. matthewsii C. B. Wolf 1934-10-9 6169 Siskiyou Siskiyou Mts., above W fork of Seiad Creek, 0.75 mi above forks of creek. 1158.2 Comment
  JEPS95350  Cupressus lawsoniana Vernon H. Oswald and L. Ahart 1994-7-11 6407 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 1447 Comment
  UC879584  Cuscuta suksdorfii Louis C. Wheeler 1934-7-31 3011 Siskiyou 1 mi e Dry Lake Lookout; Siskiyou Mts. 1828 Comment
  UC618627  Cycladenia humilis var. humilis W. Bridge Cooke 1938-9-17 11704 Siskiyou ridge along canyon below/directly w. of Horse Camp (Mt. Shasta); Mt. Shasta Comment
  CHSC42658  Cymopterus terebinthinus var. californicus Vernon Oswald 1986-5-29 2076 Siskiyou Hwy 97 between Weed and Grass Lake, 9.8 mi ne of Weed. 1158 Comment
  JEPS39349  Cynoglossum occidentale Willis L. Jepson 1894-8-4 21074 Siskiyou Niel's Camp Comment
  UCD77587  Cynoglossum officinale Robert E. Preston 2002-7-11 1898 Siskiyou Klamath National Forest, Trout Creek Meadow. 1505 Comment
  HSC36703  Cynosurus echinatus Brent Whiteley 1975-6-23 39 Siskiyou 223 Comment
  UC1924324  Cyperus squarrosus P. M. Peterson, J. M. Saarela & C. J. Sears 2006-8-8 19737 Siskiyou 3 mi SW of Scott Bar on Hwy 7F-01 towards Kelsey Creek, along ScottRver 526 Comment
  CAS-BOT-BC114147  Cyperus squarrosus W. R. Ernst 1958-8-8 287 Siskiyou Grass Lake area, ca. 32 mi S of Oregon State line on Hwy. 97. Comment
  JEPS109696  Cypripedium californicum Dean W. Taylor 2002-7-20 18254 Siskiyou Forest Road 17 ca. 3.3 miles west (above) junction with Stewart Springs Road, Parks Creek 1524 Comment
  CAS-BOT-BC70712  Cystopteris fragilis Ira L. Wiggins 1955-7-29 13587 Siskiyou Along Thompson Creek, 3.5 miles above South Fork of Salmon River 1371 Comment
  CDA18395  Cystopteris fragilis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2767 Siskiyou Klamath Ranges; North side of the river, north side of road 2 miles (3.2 km) east of Callahan at Hwy 3 bridge over the East Fork Scott River. 987 Comment
  HSC1032  Cystopteris fragilis R. C. Wunner 1965-6-20 231 Siskiyou Lava Beds N.M., entrance of Thunderbolt Cave 1463 Comment
  RSA237514  Cystopteris fragilis Frederick W. Oettinger 1969-7-13 1007 Siskiyou NW of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  HSC30606  Dactylis glomerata Frederick W. Oettinger 1968-9-6 739 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow, Tom's Lake Region 2188 Comment
  CAS-BOT-BC192249  Danthonia californica Melissa A. Berry 1957-7-6 s.n. Siskiyou Heather Lake, near Salmon Mt. 2042 Comment
  HSC58836  Danthonia californica Butler 1971-7-21 186 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction. 1433 Comment
  HSC73276  Danthonia californica Gail Newton 1980-6-20 473 Siskiyou Near Bald Mtn. 1097 Comment
  RSA585077  Danthonia californica L. C. Wheeler 1934-7-2 2842 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts. 1280 Comment
  UCD61322  Danthonia unispicata Robert E. Preston 2002-6-20 1830 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge. 1911 Comment
  CAS-BOT-BC76242  Darlingtonia californica Wayne Roderick 1967-7-28 s.n. Siskiyou At head of Gumboot Lake, southwest of Mount Eddy. 1828 Comment
  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
  HSC66258  Darlingtonia californica Maralyn A. Renner 1980-7-4 1435 Siskiyou Clear Creek Trail, N of Trout Camp 1037 Comment
  HSC82222  Darlingtonia californica Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4542 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  UC11154  Darlingtonia californica Geological Survey 1862-1 1356 Siskiyou near stream Mt. Shasta Comment
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Nov 6 2019
  UCD119061  Darlingtonia californica B. Crampton 1956-8-21 3805 Siskiyou Slopes above Gumboot Lake, headwater of the south fork of the Sacramento River. 1920 Comment
  CAS-BOT-BC420659  Darmera peltata Alice Eastwood 1923-5-20 11860 Siskiyou Shasta Springs Comment
  CAS-BOT-BC420663  Darmera peltata Nora Pettibone 1894-8-8 s.n. Siskiyou Upper Soda Springs Comment
  UCR142701  Datura stramonium L. C. Wheeler 1934-10-28 3350 Siskiyou Yreka 823 Comment
  CDA5364  Daucus carota T. C. Fuller 1959-7-8 6042 Siskiyou 0.6 mile west of Ainsworth Corners. 0 Comment
  HSC43141  Daucus carota K. T. Stillman 1976-8-24 418 Siskiyou Slopes on E and N sides of Williams Point 366 Comment
  UCD95647  Delphinium andersonii Collector unknown 1957-7-23 57 L Siskiyou On the border of Trinity County. Klamath and Shasta National Forest. Deadfall Creek S.N.F. 2011 Comment
  UC673152  Delphinium decorum subsp. tracyi Lincoln Constance and Reed C. Rollins 1942-5-14 2926 Siskiyou basaltic knoll 4 mi w Yreka (road to Walker Post Office); Klamath-Siskiyou Region 1219 Comment
  CAS-BOT-BC116168  Delphinium nuttallianum Roxana S. Ferris; Laura Lorraine 1948-6-12 11893 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle. 1499 Comment
  CHSC9497  Delphinium nuttallianum J. F. Goodwin 1971-7-3 146 Siskiyou Southeast side of Castle Lake, 0.1 mi. south on Lookout Trail on east side of trail; 9.2 mi. sw of Mt. Shasta City. 1676 Comment
  JEPS74467  Delphinium nuttallianum W. J. Ferlatte 1966-6-22 88 Siskiyou open meadow along river between the campground and Carter's; Trinity Alps, South Fork of Salmon River 1524 Comment
  CAS-BOT-BC116160  Delphinium nuttallianum L. E. Smith 1913-4-29 S. N. Siskiyou Dunsmuir Comment
  RSA238284  Delphinium nuttallianum Frederick W. Oettinger 1968-9-8 786 Siskiyou Cliffs south of English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1784 Comment
  UCD61220  Deschampsia cespitosa Arthur Menzies 1962-7-21 Siskiyou Morgan Meadows, base of Mt. Eddy. 1706 Comment
  CAS-BOT-BC192461  Deschampsia cespitosa subsp. cespitosa Louis C. Wheeler 1934-8-14 3128 Siskiyou Klamath National Forest, N. side White Mt. 1767 Comment
  CHSC60568  Deschampsia cespitosa subsp. cespitosa L. P. Janeway 1983-8-26 596 Siskiyou Siskiyou Mountains; at Poker Flat, lower portion of a meadow. 1524 Comment
  RSA239127  Deschampsia cespitosa subsp. cespitosa Frederick W. Oettinger 1969-8-11 1491 Siskiyou [meadow] near Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  HSC65676  Deschampsia elongata Donald W. Miles 1979-7-21 20 Siskiyou Near Black Fox Mt., 20 mi. NE of McCloud, 3/4 way up Shirttail Canyon. 1585 Comment
  HSC92277  Deschampsia elongata Jennifer Whipple 1976-7-2 1259 Siskiyou SW of Dobkins Lake, along the drainage to the lake. 2134 Comment
  JEPS80523  Deschampsia elongata Gilbert Muth 1966-7-18 415 Siskiyou meadow above Marble Valley (Marble Gap Trail); Marble Mt. Wilderness Area, Marble Gap Trail 1828 Comment
  RSA126058  Deschampsia elongata I. L. Wiggins 1955-7-22 13449 Siskiyou Gravel bar in S Fork of Salmon R, 9.5 mi. above Cecilville 1067 Comment
  RSA715489  Descurainia sophia L. Ahart, John Dittes 2005-6-9 12054 Siskiyou On the east side of a poor rock fence, about 350 yards E of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2.5 miles (air) ESE of Grenada. 775 Comment
  UCD114223  Dicentra formosa subsp. formosa Dean William Taylor 1972-7-4 1595 Siskiyou Near Lily Pad Lake 3 miles W of Cook and Green Pass. 1981 Comment
  RSA433581  Dicentra formosa subsp. formosa M. B. Dunkle 1944-6-25 9004 Siskiyou Siskiyou Mts. Beaver Creek. 1677 Comment
  HSC62080  Dicentra pauciflora Ruby Van Deventer 18 Jun [year missing] Siskiyou Raspberry Lake, 2 mi. W of Copper Mtn. Comment
  HSC98458  Dicentra uniflora J. P. Smith 1974-5-26 7593 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  UC164474  Dichelostemma capitatum Geo. D. Butler 1910-4-17 1192 Siskiyou near Yreka Comment
  UC70383  Dichelostemma capitatum Milo S. Baker 1898-2-12 701 Siskiyou n slope Taylor Mt. Comment
  HSC46240  Dichelostemma congestum Jennifer Whipple 1978-6-5 2346 Siskiyou Weston Gulch in Scott Valley 854 Comment
  SEINET3885619  Dichelostemma congestum D. W. McNeal 1978-6-2 2156 Siskiyou On a rd. bank beside the Happy Camp-Cave Jct. Rd., 10.7 mi. N. of its jct. with Hwy. #96 in Happy Camp.; 0 Comment
  CAS-BOT-BC502188  Dichelostemma ida-maia E. K. Balls 1949-7-10 13954 Siskiyou 5 miles from Sawyer's Bar on road to Cecilville. 1219 Comment
  HSC36692  Dichelostemma ida-maia Brent Whitely 1975-6-28 88 Siskiyou 915 Comment
  POM109856  Dichelostemma ida-maia Geo D. Butler 1909-7-15 s.n. Siskiyou Russian Creek. 1829 Comment
  UC164280  Dichelostemma multiflorum Geo. D. Butler 1910-5-18 1361 Siskiyou Yreka Comment
  UC375189  Dichelostemma multiflorum Geo. D. Butler 1908-6-29 117 Siskiyou near Oro Fino Comment
  SD73134  Dieteria canescens Darley F. Howe 1969-8-30 Siskiyou 1.3 miles south of Weed on Highway 5. 1130 Comment
  CAS-BOT-BC291023  Dieteria canescens var. shastensis John Thomas Howell 1934-7-4 12391 Siskiyou Se. corner of Siskiyou Co. Comment
  UC1096784  Dieteria canescens var. shastensis Wagnon 1957-8-11 1701 Siskiyou ca. 1 mi w, along rd. to Brewer's Creek Military Pass Rd.; North Coast Ranges, e slope of Mt. Shasta, Brewer's Creek Comment
  UCD70188  Dieteria canescens var. shastensis D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-Lake Siskiyou-Gumboot Lake. South Fork (Sacramento River) Road. 1340 Comment
  CAS-BOT-BC291012  Dieteria canescens var. shastensis Elmer I. Applegate 1923-8-20 3900 Siskiyou Ranger station, west end of Medicine Lake 1981 Comment
  CDA15523  Digitalis purpurea G. F. Hrusa 1998-7-5 14691 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. at mile 5.x. Sheet 1 of 2 Comment
  CAS-BOT-BC153458  Diplacus layneae A. A. Heller 1938-7-12 15248 Siskiyou Five miles north of Weed on U. S. Highway #97 Comment
  CDA6680  Dipsacus fullonum T. C. Fuller 1959-10-14 3126 Siskiyou Highway 99, north limits of Mt. Shasta City. 0 Comment
  SDSU5840  Dipsacus sativus D. F. Howe 1962-8-5 3260 Siskiyou 56.8 miles east of Happy Camp on #96. 610 Comment
  UC1951261  Disporum hookeri Robert F. Thorne 1969-8-23 63349 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Trail to upper English Lake along Salmon River. Comment
  CHSC29778  Dodecatheon alpinum M. S. Taylor; W. Roderick, B. Williams 1980-6-4 2785 Siskiyou Bog around Cedar lake, peat mounds at lake edge. 1737 Comment
  JEPS82702  Dodecatheon alpinum Wayne Roderick 1984-6-5 Siskiyou ca 12 air km sw Mt. Shasta city (Castle Lake); , sw of Mt. Shasta city 1828 Comment
  UC877609  Dodecatheon alpinum A. A. Heller 1915-7-15 12089 Siskiyou Mt. Eddy 1828 Comment
  RSA461379  Dodecatheon hendersonii Anstruther Davidson 1920-01 s.n. Siskiyou [Unspecified] Comment
  RSA183711  Dodecatheon jeffreyi Gilbert Muth 1965-8-6 187 Siskiyou Marble Mountains; backside of Black Mountain Comment
  SJSU6531  Dodecatheon jeffreyi R. W. Trivelpiece 1973-6-21 147 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  SEINET11973424  Dodecatheon jeffreyi H. P. Chandler 1901-1 1573 Siskiyou near Marble Mountain 1829 Comment
  UCD115052  Draba howellii W. C. Overton Jr. 1977-7-10 s.n. Siskiyou Along trail from Big Flat Campground to Sunrise Pass (between the headwaters of Gulick Creek to the NW and Sunrise Creek to the SE) between where it crosses contour lines 7280 and summit at ca. 7440 feet, Klamath National Forest. 2218 Comment
  UC166133  Draba nemorosa Geo. D. Butler 1909-4-4 575 Siskiyou near Yreka; near Yreka Comment
  HSC77078  Draba pterosperma K. T. Stillman 1976-6-16 2 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  SEINET4326819 Image available Draba verna Louis C. Wheeler 1935-4-18 3430 Siskiyou Siskiyou Mountains, Greenhorn Creek 1006 Comment
  CAS-BOT-BC41412  Draba verna George Dexter Butler 1909-4-6 549 Siskiyou Below Yreka. Comment
  UC880657  Draperia systyla Alice Eastwood 1912-7-23 1347 Siskiyou Cantara Comment
  HSC18765  Drymocallis glandulosa D. M. Thomson 1965-8-21 201 Siskiyou California Lave Beds N.M., Devil's Homestead Lava Flow Comment
  RSA237854  Drymocallis glandulosa Frederick W. Oettinger 1969-8-5 1209 Siskiyou Dry hillside, Willow Spring on English Lake trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CAS-BOT-BC159437  Drymocallis glandulosa var. glandulosa Lewis S. Rose 1945-6-18 45059 Siskiyou Horse Creek & Klamath River 502 Comment
  HSC101398  Drymocallis glandulosa var. glandulosa J. P. Smith, J. O. Sawyer 2010-8-7 13055 Siskiyou Klamath National Forest. Road to Crater Lake off Forest Service Road 40N24. 1860 Comment
  HSC69172  Drymocallis lactea var. lactea Maralyn A. Renner 1980-8-6 2330 Siskiyou Cracker Meadow 1555 Comment
  HSC76877  Drymocallis lactea var. lactea K. T. Stillman 1976-8-8 400 Siskiyou Marble Mountain Wilderness Area. Trail to jump off to Paradise Lake. Comment
  CAS-BOT-BC158412  Drymocallis pseudorupestris var. saxicola Wm. Bridge Cooke 1939-8-22 13829 Siskiyou Along Horse Camp Creek Comment
  CAS-BOT-BC158423  Drymocallis rhomboidea Doris K. Kildale 1929-7-20 8716 Siskiyou Raspberry Lake, South Fork of Indian Creek 1828 Comment
  CAS-BOT-BC158427  Drymocallis rhomboidea Elmer I. Applegate 1935-6-8 9427 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  UC1187074  Drymocallis rhomboidea David D. Keck 1940-6-13 5178 Siskiyou 9 mi s Macdoel (on U.S. 97 between Dorris and Weed); s of Macdoel, btw Dorris and Weed 1463 Comment
  CAS-BOT-BC113787  Dulichium arundinaceum Wayne Roderick 1981-7-5 s.n. Siskiyou Cedar Lake Comment
  HSC4378  Dysphania botrys C. B. Wolf 1927-8-26 1008 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  HSC65132  Dysphania botrys J. P. Smith, Steve Selva 1970-7-17 4413 Siskiyou Along Klamath River. Comment
  HSC65313  Dysphania botrys J. P. Smith, Steve Selva 1970-7-16 4378 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  UCD98724  Dysphania botrys A. A. Heller 1916-8-24 12564 Siskiyou near Sisson. 1077 Comment
  CAS-BOT-BC197244  Echinochloa muricata Dorothy Parker 1948-8-24 87 Siskiyou Plowman's Valley, East Fork of Scott River 1066 Comment
  UC839227  Eleocharis parishii Louis C. Wheeler 1934-7-17 2913 Siskiyou Cottonwood Creek Siskiyou Mountains 1036 Comment
  CAS-BOT-BC451556  Elodea canadensis Wm. Bridge Cooke 1940-6-20 15164 Siskiyou In the Klamath River along the Pacific Highway below Hornbrook. Comment
  POM359907  Elymus X hansenii M. B. Dunkle 1945-7-11 9234 Siskiyou Klamath National Forest; Marble Mts. 1829 Comment
  HSC39647  Elymus caput-medusae J. P. Smith, J. O. Sawyer 1971-9-18 4673 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  CHSC61567  Elymus elymoides subsp. californicus L. P. Janeway 1983-8-16 553 Siskiyou Siskiyou Mountains; at Poker Flat, upper part of the lower portion of the meadow. 1524 Comment
  UC175615  Elymus elymoides subsp. elymoides Mr. Roseman 1913-1 Siskiyou Butte Valley Comment
  LA14818  Elymus glaucus Jason Swallen; 1939-7-28 13784 Siskiyou Mount Shasta, MacBride Springs 1523 Comment
  CAS-BOT-BC206598  Elymus glaucus subsp. glaucus Wm. Bridge Cooke 1938-8-19 11527 Siskiyou Lower Bear Spring, Mount Shasta 1524 Comment
  CAS-BOT-BC235218  Elymus multisetus Margaret M. Hanna 1958-6-20 s.n. Siskiyou 1/2 mile north of Weed Comment
  RSA273424  Elymus multisetus J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1934-7-4 5734 Siskiyou 2.0 miles south of Sugar Creek on Parrot Mill Road 1341 Comment
  UC70717  Elymus multisetus T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC204266  Elymus trachycaulus subsp. subsecundus David D. Keck 1949-7-19 6353 Siskiyou 6.5 mi. SW of Yreka on road to Ft. Jones, nr. head of Yreka Creek 1127 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
  JEPS43818  Epilobium brachycarpum Geo. D. Butler 1908-9-5 136 Siskiyou e side of High School lot Yreka Comment
  HSC49650  Epilobium ciliatum subsp. ciliatum J. P. Smith, Steve Selva 1970-7-15 4341 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  UC144354  Epilobium ciliatum subsp. ciliatum Copeland 1903-7-7 3548 Siskiyou Hornbrook Comment
  UC164294  Epilobium ciliatum subsp. ciliatum Geo. D. Butler 1910-6-22 1598 Siskiyou Yreka Creek Comment
  UC637088  Epilobium ciliatum subsp. ciliatum Edward Lee 1934-8-13 1068 Siskiyou Happy Camp to Waldo (OR) road Klamath National Forest, watershed of West Branch of Indian 1371 Comment
  HSC49651  Epilobium ciliatum subsp. ciliatum J. P. Smith, Steve Selva 1970-8-7 4543 Siskiyou Jct. I-5 and Stewart Creek Rd. Comment
  POM256464  Epilobium ciliatum subsp. ciliatum Edward Lee 1934-8-11 1027 Siskiyou Walker Creek, a tributary of the Klamath River (east end of Seiad Valley) 457 Comment
  POM259018  Epilobium ciliatum subsp. ciliatum W. Bridge Cooke 1940-7-12 15320 Siskiyou In spring in Box Canyon of the Sacramento River near Mount Shasta City 915 Comment
  SEINET8198342  Epilobium ciliatum subsp. glandulosum D. W. Taylor 2002-8-7 18299 Siskiyou Logging road below Tamarack Lake, East Fork of Trinity River; seepage area ca. 300 m South of area shown on topographic maps as "4991T", 0.2 miles North of the creek crossing 1547 Comment
  UC1045239  Epilobium ciliatum subsp. glandulosum W. Bridge Cooke 1940-8-5 15409 Siskiyou Wagon Camp Mount Shasta, Onion Creek (along creek) Comment
  UC61085  Epilobium densiflorum W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson Mt. Shasta Comment
  UCD106287  Epilobium densiflorum Alice Eastwood 1912-7-17 1154 Siskiyou Sisson. Comment
  CAS-BOT-BC165944  Epilobium hallianum Thomas W. Nelson; Jane P. Nelson 1980-7-19 6202 Siskiyou Along Forest Service road 40N17 ca. 1 mile from junction with Callahan-Cecilville road 1584 Comment
  RSA183679  Epilobium lactiflorum Gilbert Muth 1965-8-11 205 Siskiyou On trail to 4 corners, Marble Valley, Marble Mountains Comment
  UC157673  Epilobium lactiflorum Milo S. Baker 1898-8-1 509 Siskiyou bluffs sw Medicine Lake Comment
  SBBG25890  Epilobium minutum D. Myrick 1966-8-9 1506 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  HSC29167  Epilobium minutum Frederick W. Oettinger 1969-7-11 981 Siskiyou Marble Mtn. Wilderness Area, Little Medicine Mtn., N of Hancock Lake 2043 Comment
  UCD77627  Epilobium obcordatum Robert E. Preston 2001-7-21 1710 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, north slope of Rainbow Mountain. 2026 Comment
  CAS-BOT-BC171869  Epilobium septentrionale Annie M. Alexander; Louise Kellogg 1949-7-29 5891 Siskiyou Top of ridge above Sky High Lake, Sky High Valley, Marble Mountains 1920 Comment
  CHSC1127  Epilobium siskiyouense V. Holt 1936-7-18 Siskiyou Mt. Eddy. 2438 Comment
  CHSC99583  Epilobium siskiyouense L. P. Janeway 2008-7-22 9445 Siskiyou Klamath Ranges. Between the Trinity Mountains, Castle Crags, and The Eddys; narrow ridge between Hart Lake and Little Castle Lake. Steep northwest-facing rock outcrop and scree slope. 1871 Comment
  HSC97386  Epipactis gigantea A. Montalvo, J. D. Ackerman 1974-7-2 355 Siskiyou Along road to Middle Fork Sacramento River and Toad Lake. West of Mt. Shasta City Comment
  MACF015280  Equisetum arvense Donald Myrick 1966-8-12 1539 Siskiyou Mountain Meadow Ranch, Big Flat, Trinity Alps 1523 Comment
  SEINET182276 Image available Equisetum hyemale L. C. Wheeler 1934-7-12 2902 Siskiyou Cottonwood Creek Siskiyou Mtns 1220 Comment
  RSA60487  Equisetum laevigatum John H. Thomas 1949-6-16 941 Siskiyou 10 miles north of Gazelle. Comment
  UC185239  Equisetum telmateia subsp. braunii Geo. D. Butler 1909-4-11 881 Siskiyou Shasta Springs Comment
  UC371151  Equisetum telmateia subsp. braunii G. D. Butler 1909-4-11 881 Siskiyou Shasta Springs Comment
  CAS-BOT-BC204628  Eragrostis mexicana subsp. virescens R. E. Frenkel 1963-7-13 220 Siskiyou On Everitt Memorial Highway, 1.0 mile north of McCloud River RR crossing near Mount Shasta 1219 Comment
  CAS-BOT-BC168334  Eremogone congesta var. congesta Alice Eastwood 1912-8-30 s.n. Siskiyou Mount Eddy Comment
  CAS-BOT-BC174225  Eremogone congesta var. congesta Geo. D. Butler 1909-6-22 965 Siskiyou Goosenest Mountain Comment
  UC1538953  Eriastrum signatum Ann Hale 1987-7-19 Siskiyou near Lake Shastina; Lake Shastina Quad., south end of Shasta Valley 883 Comment
  SD90261  Ericameria bloomeri Robert F. Thorne, Fred Oettinger 1969-8-10 38988 Siskiyou Mount Shasta National Forest, south slope of Mount Shasta above ski-lodge 2375 Comment
  UC1408800  Ericameria bloomeri Robert F. Thorne and Fred Oettinger 1969-8-10 38988 Siskiyou s slope of Mt. Shasta; Mt. Shasta National Forest 2377 Comment
  HSC29100  Ericameria greenei Frederick W. Oettinger 1967-8-24 321 Siskiyou The High Lake Basins near English Peak; near lookout, along trail on west slope of English Peak 2226 Comment
  RSA178673  Ericameria greenei A. A. Heller 1927-8-1 14438 Siskiyou Along the base of Spring Hill near the town of Mt. Shasta on the headwater of the Sacramento River. Comment
  CAS-BOT-BC298248  Ericameria nauseosa var. oreophila A. A. Heller 1917-9-7 12978 Siskiyou Shasta Valley 2 miles S of Grenada 914 Comment
  JEPS94845  Ericameria nauseosa var. speciosa Vernon H. Oswald and Lowell Ahart 1998-9-16 9630 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near junction of Meiss Lake-Sams Neck Road and Highway 97); Butte Valley National Grassland 1295 Comment
  CAS-BOT-BC294305  Ericameria nauseosa var. speciosa Ella Dales Cantelow 1936-10-23 s.n. Siskiyou 16 mi. n.w. of Yreka, Klamath River, Hy #96 Comment
  SBBG30614  Erigeron D. Myrick 1968-6-27 2039 Siskiyou Mtn Meadow Ranch, Big Flat, head of Coffee Crk, Trinity Alps 1524 Comment
  JEPS84325  Erigeron aliceae L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6308 Siskiyou from Takilma to Happy Camp Indian Creek Road (just s of state line) Comment
  SEINET8079401 Image available Erigeron aliceae G. D. Butler 1910-7-8 1657 Siskiyou Shackleford Crrek 1372 Comment
  HSC75806  Erigeron bloomeri var. bloomeri J. P. Smith, Thomas W. Nelson 1979-6-15 10122 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  HSC75805  Erigeron bloomeri var. bloomeri J. P. Smith, Thomas W. Nelson 1979-6-16 10141 Siskiyou Klamath National Forest, Hwy. 3, 2.4 mi. from Scott Mtn. summit. 1341 Comment
  HSC29206  Erigeron cervinus Frederick W. Oettinger 1968-8-23 608 Siskiyou Salmon Mountains: the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness area; on 'Shasta Ridge, SE of Diamond Lake 2073 Comment
  HSC29238  Erigeron cervinus Frederick W. Oettinger 1969-7-28 1080 Siskiyou Salmon Mountains: the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness area; WNW of and above Upper English Lake 2012 Comment
  JEPS94678  Erigeron filifolius Vernon H. Oswald and Lowell Ahart 1998-7-21 9313 Siskiyou on w side of Hwy 97 2.2 mi ne Lake Shastina-Big Springs Rd. (ne of Weed); Shasta NF plantation 975 Comment
  UC585086  Erigeron filifolius E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1955 Siskiyou about 2 mi s Sheep Rock (n slope of Mt. Shasta on highway from Bray to Weed); Mt. Shasta 1249 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
  SBBG7643  Erigeron foliosus var. confinis H. and M. Dearing 1939-7-1 3785 Siskiyou Salmon Mtn 1828 Comment
  HSC69334  Erigeron glacialis var. glacialis John Palmer 1980-8-13 770 Siskiyou Klamath National Forest, Dead Cow Creek near F.S. Rd. 47N44 from Beaver Creek Rd. 1616 Comment
  CAS-BOT-BC295392  Erigeron inornatus John Thomas Howell 1939-8-2 14894 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  OBI55472  Erigeron inornatus David J. Keil, Kathleen Keil 1992-7-21 23534 Siskiyou Klamath NF SE of Callahan. forest Rd 40N08, 1.7 mi W of Scott Mtn Rd (hwy 3) Comment
  HSC100277  Erigeron inornatus var. inornatus J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13075 Siskiyou Klamath National Forest, along road to botanical area off Forest Service Road 40N24 to Crater Lake. 1860 Comment
  UC60966  Erigeron inornatus var. inornatus Geo. B. Grant 1902-9-3 5173 Siskiyou Mount Shasta, Sisson Comment
  RSA238711  Erigeron peregrinus subsp. callianthemus Frederick W. Oettinger 1968-8-23 609 Siskiyou Between the rocky ridges on 'Shasta Ridge' due SE of Diamond Lake 2043 Comment
  CAS-BOT-BC295803  Erigeron petrophilus var. viscidulus Louis C. Wheeler 1934-8-24 3219 Siskiyou Klamath National Forest. Trapper Creek 1859 Comment
  CAS-BOT-BC295811  Erigeron petrophilus var. viscidulus A. A. Heller 1914-8-28 11737 Siskiyou East side of Mt. Eddy 2499 Comment
  HSC29865  Erigeron philadelphicus D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19538 Siskiyou Along Hwy. 96 about 8 mi. E of junction with Hwy. 5 Comment
  UCD77639  Erigeron tener Robert E. Preston 2001-7-21 1715 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2072 Comment
  HSC96824  Eriodictyon californicum S. Lyon, J. McIntire 2006-6-25 27 Siskiyou 1 mi. W of Blackbear Summit at jct. of USFS Rd. 39N28 and 39N41 1341 Comment
  UCD119247  Eriodictyon californicum K. L. Chambers 1967-6-22 2865 Siskiyou Rocky knoll about 500 ft. above and east of the freeway (Hwy. 5) at the Hilts exit, Siskiyou Pass. 1097 Comment
  UC101836  Eriogonum alpinum Dr. E. B. Copeland 1903-8-18 3813 Siskiyou Mt. Eddy 2651 Comment
  CAS-BOT-BC94414  Eriogonum compositum R. C. Wenk 2005-7-15 227 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass, going N along ridge 2133 Comment
  HSC19476  Eriogonum compositum var. compositum J. O. Sawyer 1969-7-8 1094 Siskiyou SW slope above Music Creek 2360 Comment
  UC55778  Eriogonum compositum var. compositum T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC250063  Eriogonum compositum var. compositum Lillian Mott 1976-7-4 28 LM76 Siskiyou Cook and Green Pass road north of Seiad Valley at waterfowl 1463 Comment
  RSA47643  Eriogonum compositum var. compositum Roxana S. Ferris, Laura Lorraine 1948-6-12 11763 Siskiyou East fork of Scott River one mile north of Callahan Comment
  JEPS74481  Eriogonum elatum var. elatum W. J. Ferlatte 1966-8-2 214 Siskiyou wooded area near public camp; Trinity Alps, Big Flat 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
  SD23788  Eriogonum marifolium Wm. Bridge Cooke 1938-8-21 11543 Siskiyou Mt. Shasta, lava flats 2438 Comment
  UC618611  Eriogonum marifolium Susan Stokes 1938-8-21 11543 Siskiyou Horse Camp Flats Mount Shasta, Horse Camp Flats 2438 Comment
  CHSC30841  Eriogonum marifolium var. marifolium M. S. Taylor; J. Prouty, E. Heinitz 1980-8-19 3267 Siskiyou Paint Pot Crater. 1920 Comment
  HSC66406  Eriogonum marifolium var. marifolium J. O. Sawyer, J. Cole 1980-7-20 3793 Siskiyou E side of Grouse Hill 2134 Comment
  UC1560408  Eriogonum nudum var. nudum E. Joyal and D. Mehlman 1988-6-25 1279 Siskiyou Happy Camp-Takilma road at turn-off to Bolan Lake Happy Camp-Takilma road 1524 Comment
  CAS-BOT-BC269744  Eriogonum nudum var. oblongifolium A. A. Heller 1916-9-1 12641 Siskiyou Near Yreka Comment
  CDA22631  Eriogonum nudum var. oblongifolium E. Hale 1983-7-19 Siskiyou Yreka vicinity. 0 Comment
  HSC17328  Eriogonum nudum var. pubiflorum D. M. Thomson 1965-7-10 131 Siskiyou Lava Beds N.M., 0.5 mi. S on main rd. from information center Comment
  UC618610  Eriogonum nudum var. pubiflorum Susan Stokes 1938-6-17 11037 Siskiyou Sisson Southern Trail Mt. Shasta, Sisson Southern Trail Comment
  CAS-BOT-BC272482  Eriogonum nudum var. pubiflorum L. R. Abrams 1922-8-6 9908 Siskiyou Between Summit and Hornbrook Comment
  SBBG21294  Eriogonum pyrolifolium D. Myrick 1964-7-25 959 Siskiyou above Ski Bowl Lodge, Mt Shasta 2407 Comment
  HSC24900  Eriogonum pyrolifolium Richard Spjut 1970-7-24 871 Siskiyou Near the ski lodge on Mt. Shasta 3293 Comment
  CAS-BOT-BC252959  Eriogonum pyrolifolium var. pyrolifolium C. G. Pringle 1882-8-30 s.n. Siskiyou Mount Shasta 2743 Comment
  CAS-BOT-BC252963  Eriogonum pyrolifolium var. pyrolifolium Alice Eastwood 1912-9-1 2075 Siskiyou Mount Shasta Comment
  HSC17400  Eriogonum roseum C. B. Wolf 1927-8-26 1082 Siskiyou Klamath River, 14 mi. above Happy Camp Comment
  CAS-BOT-BC267710  Eriogonum roseum Doris K. Kildale 1928-7-25 5872 Siskiyou Klamath River between Brown's Resort of Gottville 579 Comment
  CAS-BOT-BC262762  Eriogonum strictum var. anserinum Geo. D. Butler 1910-6-21 1597 Siskiyou Yreka Comment
  CAS-BOT-BC263445  Eriogonum ternatum Doris K. Kildale 1929-7-20 8621 Siskiyou South fork Indian Creek to Elk Lick 1524 Comment
  RSA423129  Eriogonum ternatum Louis C. Wheeler 1934-9-1 3235 Siskiyou Siskiyou Mountains, Jaynes Canyon. 1951 Comment
  CAS-BOT-BC267956  Eriogonum umbellatum Maralyn A. Renner 1980-8-21 2603 Siskiyou Klamath National Forest. Southwest of trail from Leroy Mine to Sunrise Basin, near ridge 2286 Comment
  HSC62449  Eriogonum umbellatum Ruby Van Deventer 1939-7-19 Siskiyou Twin Valley Comment
  CAS-BOT-BC267981  Eriogonum umbellatum var. argus A. A. Heller 1914-8-28 11729 Siskiyou East side of Mt. Eddy 1676 Comment
  HSC17363  Eriogonum umbellatum var. argus Jerry Parker 1969-10-6 133 Siskiyou Ridge above High Lake 2134 Comment
  CAS-BOT-BC267973  Eriogonum umbellatum var. argus Doris K. Kildale 1928-7-4 5482 Siskiyou Summit of divide between Salmon River and Scott Valley - Sawyers Valley - Etna Mills Comment
  JEPS56188  Eriogonum umbellatum var. dumosum Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou near Mt. Shasta; Horseshoe Bend Comment
  UC61059  Eriogonum umbellatum var. dumosum W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson 18th Crossing Mount Shasta, Sisson Comment
  CHSC99717  Eriogonum umbellatum var. modocense L. P. Janeway 2008-7-24 9482 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 1.3 air km east of Condrey Mountain. 2050 Comment
  UC1185944  Eriogonum umbellatum var. modocense L. E. Detling 1950-6-10 6625 Siskiyou nr. Dry Gulch; Shasta R. Canyon 777 Comment
  LA86521  Eriogonum umbellatum var. nevadense J. M. Tucker; L. K. Mann 1963-8-18 3761 Siskiyou Marble Mountain Wilderness Area, On top of saddle, between Marble and SW ridge of Black Mountain 2103 Comment
  RSA65958  Eriogonum umbellatum var. nevadense F. W. Peirson 1923-7-19 3711 Siskiyou Near Bray. Comment
  POM165271  Eriogonum umbellatum var. polyanthum E. B. Copeland 1903-7-6 3496 Siskiyou Hornbrook. Comment
  HSC36668  Eriogonum umbellatum var. speciosum Brent Whiteley 1975-7-5 142 Siskiyou 213 Comment
  CHSC36179  Eriogonum vimineum K. Bridwell 1978-7-5 165 Siskiyou Ca. 15 mi se of Macdoel, at base of Coyote Ridge. 1341 Comment
  UC86007  Eriogonum vimineum T. S. Brandegee July 1887 Siskiyou Hornbrook Comment
  RSA760960  Eriophorum crinigerum Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63386 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1890 Comment
  UC1112260  Eriophorum crinigerum Rimo C. Bacigalupi with Galen Smith 1957-6-26 5953 Siskiyou ca. 6 mi. due s. Mt. Eddy (head of S. Fork of Sacramento R., w. side Gumboot Lake); Gumboot Lake 1859 Comment
  JEPS34609  Eriophyllum lanatum var. achilleoides George D. Butler 1909-4-30 688 Siskiyou near Yreka Comment
  JEPS34486  Eriophyllum lanatum var. grandiflorum W. L. Jepson Jul 24 1894-Aug 10 1894 14572 Siskiyou plateau at Upton; upper Sacramento Comment
  CAS-BOT-BC308282  Eriophyllum lanatum var. integrifolium Elmer I. Applegate 1935-6-10 9490 Siskiyou Caldwell Butte, Lava Beds National Monument Comment
  HSC19555  Eriophyllum lanatum var. integrifolium J. O. Sawyer 1969-8-1 1634 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC58873  Eriophyllum lanatum var. lanceolatum Marvin Butler 1971-7-21 187 Siskiyou Near Bell Echo Camp, close to town of Cave Junction 1433 Comment
  HSC74872  Eriophyllum lanatum var. lanceolatum J. P. Smith, Jennifer Whipple 1978-7-2 9972 Siskiyou Klamath National Forest, ridge trail E of Cook and Green Pass 1341 Comment
  HSC76696  Eriophyllum lanatum var. lanceolatum K. T. Stillman 1976-8-7 202 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  RSA264987  Eriophyllum lanatum var. lanceolatum G. L. Clifton 1975-7-28 5756 Siskiyou Near Cook and Green Pass near the Seiad Valley 1646 Comment
  SEINET11850779  Eriophyllum lanatum var. lanceolatum M. Ownbey, Meyer, F. G. 1940-1 2174 Siskiyou Siskiyou Mountains, NW of Hornbrook Comment
  CAS-BOT-BC54569  Erysimum capitatum Alice Eastwood 1912-8-30 s.n. Siskiyou Mount Eddy. Comment
  CAS-BOT-BC54570  Erysimum capitatum Alice Eastwood; John Thomas Howell 1934-4-20 1792 Siskiyou 4 miles north of Weed. Comment
  SJSU2552  Erysimum capitatum H. L. Buckalew 1962-7-14 Siskiyou Poker Flat c. 3 mi W of junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts 1143 Comment
  RSA262447  Erysimum capitatum var. perenne J. M. Tucker 1963-7-7 3717 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  CAS-BOT-BC55113  Erysimum perenne William Bridge Cooke; V. G. Cooke 1963-7-9 34218 Siskiyou Mount Shasta. Near McBride Springs in dry Cascade Gulch. 1524 Comment
  CDA3712  Erysimum repandum F. D. Horn 1980-4-3 Siskiyou Dennis Lane west of railroad tracks, Klamath River Estates, Hornbrook. 0 Comment
  CHSC35569  Erythranthe microphylla James P. Smith 1973-5-5 6421 Siskiyou Along Cook and Green Pass road. Comment
  CHSC2261  Erythronium grandiflorum var. pallidum V. Holt 1943-8-7 Siskiyou Marble mountains. 1828 Comment
  CAS-BOT-BC133301  Erythronium hendersonii Doris K. Kildale 1929-4-27 7489 Siskiyou Cecilville Comment
  HSC67862  Eschscholzia californica J. P. Smith, Steve Selva 1970-6-16 4045 Siskiyou Etna 897 Comment
  SD51280  Eschscholzia californica Darley F. Howe 1961-8-3 3130 Siskiyou 35.3 miles east of Happy Camp on Highway 96. 456 Comment
  SD112373  Eucephalus breweri Darley F. Howe 1969-9-12 4678 Siskiyou Near north entrance to Klamath National Forest, about 10 miles east of O'Brien, Oregon 1525 Comment
  RSA0024549  Eucephalus ledophyllus var. covillei William J. Ferlatte 1967-8-23 1108 Siskiyou Head of Kidd Creek. 2134 Comment
  RSA417682  Eucephalus ledophyllus var. covillei M. B. Dunkle 1945-1 9296 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  HSC29205  Eucephalus ledophyllus var. ledophyllus Frederick W. Oettinger 1968-8-16 548 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; NW side of Hancock Lake 1936 Comment
  JEPS109885  Eucephalus tomentellus Dean W. Taylor 2005-8-18 19474 Siskiyou Dry Creek Peak, cirque on north face at headwaters Antelope Creek 1950 Comment
  POM67557  Euonymus occidentalis Geo. D. Butler 1910-7-9 1700 Siskiyou Shackleford Creek. 1220 Comment
  UC668187  Euphorbia crenulata Joseph P. Tracy 1935-8-1 14410 Siskiyou ridge between Salmon River and New River (at extreme head of West Fork of Knownothing Creek, Rock Lake); Rock Lake, West Fork of Knownothing Creek 1889 Comment
  POM210925  Euphorbia lathyris L. C. Wheeler 1934-11-4 3358 Siskiyou Marble Mountains: Scott Bar, Scott River. (Mt Diablo Mer.) 518 Comment
  UCSB37071  Euphorbia virgata Clark, Dell 1970-6-23 Siskiyou 2 1/2 miles northwest of Dorris, on east side of Mathews Rd., 1 1/2 miles north of Picards Rd. Comment
  CAS-BOT-BC278205  Festuca altaica William Adams Dayton 1913-6-14 235 Siskiyou Shasta National Forest. E. Fk. of Scott River range 1706 Comment
  JEPS104936  Festuca californica Dean W. Taylor 1996-6-18 15698 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 Comment
  CAS-BOT-BC278739  Festuca idahoensis Gilbert Muth 1966-7-25 448 Siskiyou Marble Mountain Lookout, Marble Mts. 2097 Comment
  HSC100334  Festuca idahoensis J. P. Smith 2011-7-15 13302 Siskiyou 1427 Comment
  HSC27483  Festuca idahoensis J. P. Smith, J. O. Sawyer 1972-5-28 5382 Siskiyou 0.2 mi. E of Butcher Gulch on the Cecilville-Forks of Salmon road. 732 Comment
  CAS-BOT-BC278876  Festuca occidentalis Alice Eastwood 1923-5-27 11951 Siskiyou Shasta Springs, on road to McCloud Comment
  HSC22454  Festuca occidentalis J. O. Sawyer 1969-6-11 841 Siskiyou Duck Lake Creek near C.C.C. road. 1311 Comment
  HSC41064  Festuca occidentalis J. O. Sawyer 1969-6-11 810 Siskiyou Ridge S of Paynes Lake Creek. 1326 Comment
  HSC73061  Festuca occidentalis Gail Newton 1980-6-20 444 Siskiyou Near Bald Mtn. 1097 Comment
  HSC30645  Festuca pratensis Frederick W. Oettinger 1969-8-16 1402 Siskiyou Marble Mtn. Wilderness Area, Wire Grass Meadow above English Lake. 1677 Comment
  CAS-BOT-BC279070  Festuca rubra L. E. Smith 1915-6-1 s.n. Siskiyou Sisson 1524 Comment
  HSC30646  Festuca rubra Frederick W. Oettinger 1969-9-2 1584 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow near Tom Taylor Cabin 2027 Comment
  HSC69376  Fragaria virginiana J. O. Sawyer, J. Cole 1980-7-19 3680 Siskiyou Near FS Rd. 45N0 2018 Comment
  CAS-BOT-BC447515  Fragaria virginiana var. platypetala John Thomas Howell 1937-7-23 13361 Siskiyou South Fork of Salmon River near Big Flat 1524 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
  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
  CAS-BOT-BC59600  Frangula rubra subsp. rubra Doris K. Kildale 1929-6-22 8032 Siskiyou Base of Black Butte, Mt. Shasta Comment
  UC1045281  Fraxinus latifolia W. Bridge Cooke 1940-6-20 15174 Siskiyou below Hornbrook (along banks of Klamath River); Klamath River Comment
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Aug 20 2012
  CAS-BOT-BC502842  Fritillaria atropurpurea Geo. D. Butler 1910-5-1 1261 Siskiyou Humbug Mountain 1219 Comment
  CHSC9125  Fritillaria pudica J. L. Wilson 1970-3-23 221 Siskiyou 7.6 mi. North of Yreka, on old Interstate 5 road. 1.5 mi. South of intersection of Highway 96 and I. 5. 670 Comment
  HSC90528  Galium bifolium Jennifer Whipple 1976-7-9 1383 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2195 Comment
  RSA238701  Galium bifolium Frederick W. Oettinger 1969-7-9 937 Siskiyou NW of upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness. 1799 Comment
  CHSC71603  Galium bolanderi Vernon Oswald; Lowell Ahart 1998-8-3 9412 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.5 mi southeast of Gazelle-Callahan Rd. 1493 Comment
  JEPS26667  Galium bolanderi Lauramay T. Dempster 1961-7-3 1876 Siskiyou se Callahan (w face of mt.); Scott Mtn. Comment
  UC1170100  Galium bolanderi W. Bridge Cooke 1956-7-16 30298 Siskiyou above Hotlum Station (n side of mt.); Mount Shasta 1524 Comment
  JEPS18603  Galium bolanderi Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5962 Siskiyou about 3 1/2 mi below (ne) Gumboot Lake; Canyon of South Fork of Sacramento River 1402 Comment
  UC416640  Galium boreale subsp. septentrionale W. A. Setchell, C. C. Dobie 1902-7-23 Siskiyou The Bend McCloud River Comment
  UCD121742  Galium californicum Daryl Koutnik; Martha Townsend 1979-9-10 s.n. Siskiyou Southwest of Etna, near Etna Bridge. 1066 Comment
  JEPS84281  Galium glabrescens L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6366 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1/2 mi e of Red Butte summit) 1900 Comment
  RSA165559  Galium glabrescens subsp. glabrescens Clare B. Hardham 1961-7-3 8073 Siskiyou Scott Mountain south of Calahan. Comment
  UC21601  Garrya fremontii Thos. Howell Apr 1892 1437 Siskiyou Siskiyou Mts. Comment
  JEPS74585  Garrya fremontii William J. Ferlatte 1969-6-26 1191 Siskiyou Big Flat Trinity Alps (near campground) 1524 Comment
  SEINET5765232  Garrya fremontii L. C. Wheeler 1934-6-22 2764 Siskiyou Cottonwood Creek, Siskiyou Mts. 1067 Comment
  RSA238356  Gaultheria ovatifolia Frederick W. Oettinger 1968-9-8 785 Siskiyou Along the e. shore of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  UC1409445  Gaultheria ovatifolia Frederick W. Oettinger 1968-8-5 414 Siskiyou High Lake Basins in vicinity of English Peak (at w end of Charmaine Lake, Marble Mountain Wilderness Area, western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, Charmaine 1920 Comment
  UC873638  Gayophytum diffusum subsp. parviflorum P. A. Munz 1941-9-10 16307 Siskiyou above Horse Camp Creek (near); Mt. Shasta Comment
  JEPS93875  Gayophytum heterozygum Vernon H. Oswald and Lowell Ahart 1998-7-21 9316 Siskiyou 2.2 mi ne of Lake Shastina-Big Springs Road ne of Weed (Shasta National Forest plantation on the w side of Highway 97); Shasta National Forest, Highway 97 975 Comment
  UC1191760  Gayophytum racemosum Herbert L. Mason 1948-7-17 13603 Siskiyou Eastern Grass Lake Comment
  UC455391  Geranium carolinianum I. J. Condit Jul 1911 Siskiyou Shasta Retreat Comment
  JEPS61442  Geranium oreganum W. L. Jepson Jul 1894 13570 Siskiyou Sisson Comment
  UC172723  Geum aleppicum Katharine Brandegee 1887-7-1 Siskiyou Sisson Comment
  HSC46241  Gilia capitata Jennifer Whipple 1978-6-5 2324 Siskiyou Weston Gulch in Scott Valley 854 Comment
  LA88501  Gilia capitata O. H. Kappler; 1948-7-16 1801 Siskiyou Siskyou Mountains, on rd to Happy Camp 701 Comment
  RSA237947  Gilia capitata Frederick W. Oettinger 1968-8-16 536 Siskiyou Red Hill north of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2058 Comment
  JEPS69515  Gilia capitata subsp. capitata Geo. D. Butler 1909-5-10 741 Siskiyou near Yreka; near Yreka Comment
  SEINET7073524  Gilia latifolia 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
  UC643267  Gilia sinuata W. Bridge Cooke 1940-6-4 15008 Siskiyou along Bolam Road (on the n side of the mountain); Mount Shasta, n side of the mountain Comment
  HSC44649  Githopsis specularioides J. P. Smith 1973-5-5 6534 Siskiyou Scott Bar along the Scott River Comment
  CAS-BOT-BC282723  Glyceria elata John Thomas Howell 1937-7-22 13272 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC22139  Glyceria elata J. O. Sawyer 1968-7-10 494 Siskiyou 1768 Comment
  HSC89802  Glyceria elata D. K. Imper 1987-7-21 Siskiyou Marble Mtn. Wilderness, 8 mi. E of Somes Bar 1372 Comment
  HSC30666  Glyceria striata Frederick W. Oettinger 1969-9-4 1654 Siskiyou Salmon Mtns., Tobacco Lake. 1890 Comment
  SJSU11315  Glyceria striata S. H. Casey 1981-7-4 1208 Siskiyou by Seiad Creek Road, Siskiyou Mts c. 6 mi N of Seiad Valley 1371 Comment
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Jul 10 2014
  JEPS34044  Gnaphalium palustre W. L. Jepson 1940-7-3 20101 Siskiyou Big Bear Flat (large mdw. e 5 mi se of Bartle) Big Bear Flat 1219 Comment
  POM58034  Gnaphalium palustre E. B. Copeland 1903-7-2 3533 Siskiyou Klamathon. Comment
  HSC97385  Goodyera oblongifolia A. Montalvo, J. D. Ackerman 1974-8-16 418 Siskiyou Clear Creek Trail, 0.5 mi. S of Cracker Meadows, Youngs Valley near Preston Peak, Siskiyou Mtns. 1220 Comment
  UC87889  Grindelia hirsutula T. S. Brandegee 1887-7-1 Siskiyou Ager Comment
  CAS-BOT-BC123669  Grindelia nana var. nana Amos Arthur Heller 1917-9-7 12979 Siskiyou Shasta valley, ten miles S of Gazelle 914 Comment
  CHSC9491  Hackelia californica J. F. Goodwin 1971-7-3 133 Siskiyou 0.1 mi. south of road at Multiple Use Area, 4.9 mi. south of Mt. Shasta Ski Bowl area. 1889 Comment
  SEINET10698095  Hackelia californica Karen M. Meyer, Andrew Townesmith 2007-7-29 Meyer 170 Siskiyou Shasta-Trinity National Forest. 0.3 mi. on 40N25 Rd., off Siskiyou County Rd., A10/Everitt Memorial Hwy. 1805 Comment
  UC917266  Hackelia californica R. Tofsrud and J. M. Tucker 1948-8-4 1783 Siskiyou 1 1/2 mi nw of McCloud Comment
  UC1222249  Hackelia micrantha Joseph P. Tracy 1951-6-16 19494 Siskiyou at crossing of Takilma-Happy Camp Road (near state line, summit of the Siskiyous) Comment
  HSC625  Hackelia micrantha William J. Ferlatte 1966-7-7 212 Siskiyou NW side of Caribou Mtn. 1829 Comment
  HSC92282  Hackelia micrantha Jennifer Whipple 1976-7-9 1406 Siskiyou N-facing slopes in the Eddy Creek Drainage 2226 Comment
  RSA235885  Hackelia micrantha J. L. Gentry Jr., David Vierig 1968-6-17 2063 Siskiyou Siskiyou Mountains, 20.9 miles north of Happy Camp (Calif. Hwy. 96) 1.5 miles from jct. U.S. Forest Roads 1916 & 1916B on road 1916. 1372 Comment
  RSA238563  Hackelia micrantha Frederick W. Oettinger 1968-9-2 667 Siskiyou Southwest of Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  SEINET3154175  Hastingsia alba G. D. Butler 1910-6-5 1482 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC504592  Hastingsia alba Alice Eastwood; John Thomas Howell 1937-6-25 5020 Siskiyou Scott Mts. S of Callahan Comment
  CAS-BOT-BC504620  Hastingsia alba John Thomas Howell 1937-7-26 13531 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC508653  Hastingsia alba Elizabeth McClintock; Wayne Roderick 1967-7-27 s.n. Siskiyou At head of Gumboot Lake, s.w. of Mt. Eddy 1828 Comment
  HSC24701  Hastingsia serpentinicola J. O. Sawyer 1969-8-2 1699 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  HSC34514  Hastingsia serpentinicola A. M. Montalvo, J. D. Ackerman 1974-7-2 343 Siskiyou Sacramento River drainage between Shasta City and Mt. Eddy on rd. to Deadfall Lakes and Morgan Meadows 1524 Comment
  CDA6183  Hazardia whitneyi var. discoidea T. C. Fuller, Don Shaw 1974-9-24 20032 Siskiyou Pacific Crest Trail, summit of the Siskiyou Mountains, east of White Mountain. 0 Comment
  SFV3966  Helenium bigelovii J. M. Tucker 1963-8-17 3738 Siskiyou Marble Mountain Wilderness Area, Lower Red Rock Valley. At edge of Red Rock Creek in moist soil in vicinity of cabin. 1494 Comment
  UC246776  Helenium bigelovii H. E. Brown Jun 11 1897-Jun 16 1897 421 Siskiyou n side Mt. Shasta 1524 Comment
  UC456024  Helenium bigelovii I. J. Condit 1911-7-3 Siskiyou along river Shasta Retreat Comment
  UC897343  Helenium bigelovii John Thomas Howell 1939-8-2 14860 Siskiyou Spirit Lake Marble Mts. Comment
  CAS-BOT-BC309576  Helenium puberulum Doris K. Kildale 1928-7-25 5902 Siskiyou Klamath River, at Mack's Creek near Hamburg Comment
  POM359825  Helianthella californica var. nevadensis Christopher Davidson 1975-6-5 2678 Siskiyou 6 miles ESE of Callahan on Hwy 3 (= 4 miles SE of Scott River Bridge). 1349 Comment
  UC166239  Helianthus bolanderi Geo. D. Butler 1908-8-27 337 Siskiyou near Oro Fino Comment
  CAS-BOT-BC305571  Helianthus bolanderi L. R. Abrams 1927-9-11 12139 Siskiyou Shasta Valley, Yreka to Gazelle Comment
  JEPS107479  Heliotropium curassavicum Lowell Ahart, John Dittes 2005-6-9 12038 Siskiyou Rocky hill, about 20 yards north 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
  CHSC114173  Heliotropium curassavicum var. oculatum R. E. Brainerd 2010-8-5 1731 Siskiyou Interstate Highway 5, 12.5 air miles southeast of Yreka. UTM Zone 10 541522E 4603756N 798 Comment
  CAS-BOT-BC94810  Hemizonella minima R. C. Wenk 2005-6-17 165 Siskiyou Trinity Alps, South Fork of the Salmon River, near Big Flat Cmpgrd. at S end of Big Flat Meadow 1517 Comment
  HSC69333  Heracleum maximum John S. Palmer 1980-8-13 761 Siskiyou Dead Cow Creek, near FS 47N44 from Beaver Creek Rd. 1616 Comment
  UC109499  Hesperolinon micranthum Brandegee July 1887 Siskiyou Sisson's Comment
  UCD77767  Hesperolinon micranthum Robert E. Preston 2002-6-22 1884 Siskiyou Ca. 0.6 miles SW of Cayton, on W side of Hwy 89. 958 Comment
  RSA435709  Hesperolinon micranthum Louis C. Wheeler 1934-6-2 2614 Siskiyou Oak Knoll Ranger Station, Klamath River. Siskiyou Mtns. (Mt Diablo Mer.) 671 Comment
  JEPS74414  Heterocodon rariflorum W. B. and V. G. Cooke 1974-8-21 49262 Siskiyou Howard; Mt. Shasta Comment
  HSC36744  Heteromeles arbutifolia Brent Whitely 1975-6-24 52 Siskiyou 235 Comment
  SBBG83848  Heterotheca villosa var. minor K. T. Stillman 1976-9-10 497 Siskiyou Marble Mtn Wilderness Area, E side of Black Mtn Comment
  CAS-BOT-BC312298  Heterotheca villosa var. minor Gilbert Muth 1965-8-4 s.n. Siskiyou Near the marble, Marble Valley Comment
  HSC638  Heuchera merriamii William J. Ferlatte 1967-6-30 594 Siskiyou Josephine Lake basin 1677 Comment
  JEPS84337  Heuchera merriamii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6370 Siskiyou 7 mi nne of Seiad Valley (w of Cook and Green Pass, 1/2 mi e of Red Butte summit) 1900 Comment
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Jul 30 2009
  UCD102624  Heuchera merriamii J. M. Tucker 1963-8-19 3773 Siskiyou At the east base of Marble Mountain Wilderness Area, headwaters of Canyon Creek. 1950 Comment
  HSC61969  Heuchera merriamii Al Hobart 5 Aug [year missing] Siskiyou Preston Peak Comment
  JEPS80536  Heuchera merriamii Gilbert Muth 1965-8-17 308 Siskiyou lower creek on trail to Black Mountain; Marble Mountain Wilderness Area 1828 Comment
  RSA0063201  Heuchera merriamii Gilbert Muth 1965-8-11 208 Siskiyou Marble Valley. Marble Mtns. Comment
  NY186042  Heuchera pringlei C. G. Pringle 1881-8-14 s.n. Siskiyou Castle Lake 1828.8 Comment
  HSC69326  Hieracium albiflorum John Palmer 1980-8-12 736 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  UC1096803  Hieracium albiflorum H. K. Wagnon 1957-8-11 1712 Siskiyou along Ash Cr. ca, 1 mi n of junction with Military Pass Rd. (e slope Mt. Shasta); North Coast Ranges, Mt. Shasta, Ash Cr. Comment
  UC166115  Hieracium albiflorum Geo. D. Butler 1910-6-5 1483 Siskiyou Shackleford Creek Comment
  JEPS25876  Hieracium greenei Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7461 Siskiyou above and due e of Twin Valley ((about 12 air mi nw of Happy Camp)); Siskiyou Mountains 1584 Comment
  UC1408810  Hieracium greenei Frederick W. Oettinger 1968-9-3 688 Siskiyou English Peak; Marble Mountain Wilderness Area 2011 Comment
  UC642567  Hieracium horridum unknown 1938-9-8 11604 Siskiyou on ridges between Horse Camp and Panther Creek; Mount Shasta 2743 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
  UC922284  Hieracium parryi Annie M. Alexander and Louise Kellogg 1949-7-20 5812 Siskiyou n of Paradise Lake; Marble Mountains 1920 Comment
  POM33158  Hieracium parryi Geo D. Butler 1910-6-3 1470 Siskiyou Quartz Valley. Comment
  CAS-BOT-BC316031  Hieracium scouleri Lewis S. Rose 1936-7-29 36704 Siskiyou Shasta Springs 762 Comment
  POM360467  Hieracium scouleri var. nudicaule L. S. Rose 1937-7-25 37590 Siskiyou South slope of Mt. Shasta. 1768 Comment
  CAS-BOT-BC320106  Hieracium triste John Thomas Howell 1937-7-24 13392 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 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
  HSC65417  Holodiscus discolor Rich White 1978-7-20 261 Siskiyou Ridge top E of Raspberry Lake 1768 Comment
  CAS-BOT-BC152370  Holodiscus discolor var. discolor D. H. Norris 1970-5-23 12240 B Siskiyou Along Klamath River at Ishi Pishi Bridge near Somes Bar. Comment
  HSC92531  Hordeum brachyantherum Jennifer Whipple 1978-10-6 2428 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC289277  Hordeum brachyantherum subsp. brachyantherum Louis C. Wheeler 1934-8-14 3133 Siskiyou N. side White Mt., Klamath National Forest 1767 Comment
  CAS-BOT-BC289281  Hordeum brachyantherum subsp. brachyantherum Alice Eastwood 1921-7-28 10937 Siskiyou Medicine Lake Comment
  JEPS94386  Hordeum brachyantherum subsp. brachyantherum Vernon Oswald and Lowell Ahart 1997-7-28 8787 Siskiyou on road 43N54 at a meadow 0.6 mi se of Paynes Springs (se of Medicine Lake) 1920 Comment
  CAS-BOT-BC285059  Hordeum marinum subsp. gussoneanum L. R. Short 1933-6-16 42 Siskiyou Klamath National Forest, S. side of Klamath R. 609 Comment
  UCD85787  Hordeum marinum subsp. gussoneanum A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3393 Siskiyou 7 miles N of Weed. Comment
  HSC91101  Hordeum murinum subsp. leporinum J. P. Smith 1973-5-5 6547 Siskiyou Scott Bar along the Scott River Comment
  UC726315  Horkelia daucifolia A. A. Heller 1927-5-14 14384 Siskiyou Shasta Valley Comment
  CHSC69088  Horkelia fusca subsp. parviflora Vernon Oswald; Lowell Ahart 1997-7-28 8800 .1 Siskiyou Pumice Stone Well 0.2 mi south of Medicine Lake Rd. on Forest Route 15. At the edge of a meadow. 1905 Comment
  HSC73233  Hosackia crassifolia Gail Newton 1980-6-20 507 Siskiyou Near Bald Mtn. 1097 Comment
  HSC68310  Hosackia oblongifolia var. oblongifolia Maralyn A. Renner 1980-7-4 1424 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  CAS-BOT-BC142672  Howellanthus dalesianus F. W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mts., Shasta-Trinity National Fores: c. 15 air mi. SW of Weed near Kangaroo Lake Campground Comment
  JEPS16952  Hulsea nana Peter H. Raven 1956-9-4 10425 Siskiyou summit Mount Eddy 2758 Comment
  CAS-BOT-BC400988  Hypericum anagalloides John Thomas Howell 1939-8-5 15083 Siskiyou Spirit Lake, Marble Mts. 1828 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
  JEPS66821  Hypericum formosum var. scouleri Geo. D. Butler 1908-8-2 6 Siskiyou Log Lake 1371 Comment
  UC1034590  Hypericum perforatum Douglas Barbe 1955-7-1 72 Siskiyou 1.3 mi. e. Etna (on Westside Rd. to Callahan, s. of the rd.); Klamath Mts. 853 Comment
  SEINET3157533  Hypericum scouleri G. D. Butler 1910-7-3 1627 Siskiyou Goosenest foothills 1219 Comment
  CAS-BOT-BC401358  Hypericum scouleri Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  CAS-BOT-BC88626  Idahoa scapigera George Dexter Butler 1910-3-21 1136 Siskiyou Drylands near Yreka. Comment
  HSC15969  Iliamna bakeri R. C. Wunner 1965-8-14 432 Siskiyou Lava Beds National Monument. At junction of Tichner Rd. and road to Hwy. 139 1311 Comment
  RSA516492  Iliamna bakeri L. R. Heckard, L. Constance, R. Ornduff 1969-6-24 2290 Siskiyou Northwest side of Mt. Shasta along Hwy 97, 0.7 miles south of Bolam road junction Comment
  JEPS25591  Ipomopsis aggregata Rimo Bacigalupi 1959-7-2 7223 Siskiyou near n base of Caribou Mtn. (just s of low divide separating Coffee Creek drainage from that of the Salmon River, headwaters of the South Fork of Salmon River, nr. Trinity Co. line); South Fork of the Salmon River, Big Flat Campground 1508 Comment
  CHSC71588  Ipomopsis aggregata subsp. formosissima Vernon H. Oswald; Lowell Ahart 1998-8-3 9455 Siskiyou East end of Rock Fence Lake Rd. (USFS 41N18) in the Scott Mtns. east of Kangaroo Lake. Near Rock Fence Creek. 1920 Comment
  RSA211091  Ipomopsis aggregata subsp. formosissima William J. Ferlatte 1966-7-7 209 Siskiyou northwest side of Caribou Mountain. 1829 Comment
  CHSC71335  Iris missouriensis Vernon H. Oswald; Lowell Ahart 1998-6-11 9213 Siskiyou Old State Hwy. 0.5 miwest of Bray, ca. 10 air mi east of Grass Lake located on Hwy. 97, ca. we air mi northeast of Weed. 1414 Comment
  HSC76882  Iris tenuissima K. T. Stillman 1976-6-27 142 Siskiyou Marble Mtn. Wilderness Area, near Bear Lake Comment
  UCD138819  Iris tenuissima L. W. Lenz 1953-5-17 18313 Siskiyou along Salmon River 1.25 mile above junciton with Klamath. 176 Comment
  HSC26229  Isatis tinctoria J. P. Smith, J. O. Sawyer 1972-5-28 5364 Siskiyou 5 mi. S of Etna on Hwy. 3 915 Comment
  SFV1479  Isatis tinctoria J. M. Tucker, L. K. Mann 1963-7-4 3688 Siskiyou Along old abandoned road 8.5 miles (by road) northeast of Fort Jones. Comment
  HSC28732  Isoetes bolanderi Frederick W. Oettinger 1969-8-18 1418 Siskiyou Marble Mtn. Wilderness Area, W side of Horse Range Lake 1822 Comment
  JEPS20537  Isoetes howellii Rimo Bacigalupi with S. Galen Smith and George Bacigalupi Jr. 1957-6-27 5971 Siskiyou 2 1/2 mi. n.w. Weed (s. tip of Shasta Valley, near headwaters of Shasta River); Shasta Valley 1005 Comment
  SD230095  Isoetes occidentalis Louis C. Wheeler 1963-9-11 8385 Siskiyou Siskiyou Mountains: Dillon Creek, 3/4 mile NE of Sawtooth Mountain. 1615 Comment
  RSA68873  Isopyrum occidentale A. E. Culbertson 1943-6-26 83 Siskiyou Castle Lake, 5434', 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 R. within 10 air miles of its headwaters to the west. Comment
  RSA184731  Ivesia gordonii var. alpicola Gilbert Muth 1966-7-22 381 Siskiyou Marble Rim, Marble Mountains 2195 Comment
  UC1265334  Juncus Frederick W. Oettinger and R. F. Thorne 1969-8-8 1299 Siskiyou due w English Lake camp (Sundew Bog, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, Sundew Bo 1828 Comment
  CHSC40156  Juncus articulatus L. P. Janeway 1983-6-25 340 Siskiyou E side of Klamath R, n side of Independence Br. Top of rock bluff overlooking the river. 289 Comment
  UCSB15124  Juncus bufonius var. bufonius Breedlove, Dennis 1962-6-10 Siskiyou On the north bank of the Klamath River at its junction with Goff Creek; 4.5 miles west of Seiad 411 Comment
  HSC76689  Juncus drummondii K. T. Stillman 1976-7-30 313 Siskiyou Marble Mountain Wilderness Area, trail from Big Rock Camp to Jump off. 1982 Comment
  UC2525  Juncus effusus subsp. pacificus W. L. Jepson 1894-1 Siskiyou Mt. Shasta Comment
  RSA44498  Juncus effusus subsp. pacificus Henry M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, near Somes Bar. Comment
  HSC165  Juncus ensifolius William J. Ferlatte 1966-8-2 235 Siskiyou Big Flat, between campground and S fork of the Salmon River 1524 Comment
  HSC60812  Juncus ensifolius Ruby Van Deventer 1962-8-15 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC62306  Juncus ensifolius Al Hobart 1968-6-18 Siskiyou Youngs Valley Comment
  RSA22088  Juncus mertensianus J. T. Howell 1939-8-5 15063 Siskiyou Spirit Lake, Marble Mtns 1829 Comment
  UCD21463  Juncus mertensianus Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1203 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Along shores of Gray Rock Lake. 1800 Comment
  JEPS100301  Juncus nevadensis Dean W. Taylor 2001-8-28 17909 Siskiyou Mt. Shasta, Ash Creel Butte, Suprise Lake 2057 Comment
  UC1108383  Juncus nevadensis Philip A. Munz 1960-8-22 24175 Siskiyou Panther Meadows Mt. Shasta 2316 Comment
  UCD141646  Juncus occidentalis S. S. Tillett 1956-7-11 694 Siskiyou Siskiyou - Trinity County: County line, Scott Mountain divide just N of campground; ca. 8 miles SE of Callahan. 1630 Comment
  RSA299465  Juncus orthophyllus J. P. Smith, Steve Selva 1970-7-18 4485 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  CHSC98906  Juncus parryi L. P. Janeway; B. Castro 2007-7-29 9133 Siskiyou High Cascade Range. Medicine Lake Highlands; along the bottom edge of the north side of the northwestern-most lobes of Little Glass Mountain. 1951 Comment
  HSC22234  Juncus parryi J. O. Sawyer 1968-9-9 663 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  SEINET4856378  Juncus trilocularis Louis C. Wheeler 1934-6-22 2753 Siskiyou Klamath NF: Cottonwood Creek. 915 Comment
  SFV5113  Juniperus grandis B. C. Templeton 1957-6-21 Siskiyou North of Callahan Comment
  SFV5165  Juniperus grandis B. C. Templeton 1960-6-21 8534 Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  UC1001948  Juniperus occidentalis Mrs. B. M. Berry 1954-10-10 6 Siskiyou near Callahan; Scott Mountains, Scott Valley 914 Comment
  POM120219  Juniperus occidentalis var. occidentalis Geo D. Butler 1908-7-1 1105 Siskiyou Near Yreka. Comment
  POM120220  Juniperus occidentalis var. occidentalis Geo D. Butler 1908-8-16 227 Siskiyou Near Yreka 915 Comment
  CAS-BOT-BC56359  Kalmia microphylla subsp. microphylla W. B. C. 1938-7-21 11296 Siskiyou Panther Creek Heather Meadow. Hudsonian. 2286 Comment
  RSA293302  Keckiella corymbosa D. C. Michener 1980-8-2 3763 Siskiyou Klamath Mountains. Blue Nose Bluff of the Klamath River near confluence with Dillon Creek. 250 Comment
  CHSC25093  Kelloggia galioides J. E. Bowlin 1967-7-18 68 Siskiyou On roadside, ca. 8.5 mi W of Mount Shasta Ski Bowl. 1554 Comment
  HSC661  Kelloggia galioides William J. Ferlatte 1967-7-9 677 Siskiyou Kidd Creek Trail 1677 Comment
  RSA105490  Kelloggia galioides G. D. Barbe 1955-7-26 273 Siskiyou N slope of Scott Mtn. 1829 Comment
  UC455874  Kelloggia galioides I. J. Condit 1911-7-5 Siskiyou Mt. Bradley; Shasta Retreat 1524 Comment
  UCD121986  Kelloggia galioides R. Tofsrud; J. M. Tucker 1948-8-4 1785 Siskiyou ca. 1 1/2 miles northwest of McCloud. Comment
  SEINET516315  Kochia scoparia Vernon H. Oswald 1998-9-16 9634 Siskiyou Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi E of Hwy. 97. 1244 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
  RSA0076567  Kopsiopsis strobilacea Marion Ownbey, F. G. Meyer 1940-7-7 2220 Siskiyou Summit of Cayenne Ridge, Marble Mountain. Comment
  CAS-BOT-BC340378  Kyhosia bolanderi Louis C. Wheeler 1934-8-10 3103 Siskiyou Dead Cow Creek, Siskiyou Mts. 1828 Comment
  CAS-BOT-BC341696  Lagophylla ramosissima Lewis S. Rose 1945-6-22 45156 Siskiyou Walker, Klamath River 533 Comment
  CAS-BOT-BC341706  Lagophylla ramosissima Margaret M. Hanna 1958-6-21 s.n. Siskiyou 2 1/2 miles southeast of Dorris Comment
  OBI53785  Lagophylla ramosissima David J. Keil, Kathleen Keil 1992-7-20 23473 Siskiyou W side of Scott Valley, 4.9 mi N of Etna alog CA Rte 3 875 Comment
  POM208430  Lagophylla ramosissima L. C. Wheeler 1934-7-16 2905 Siskiyou Gottville, Klamath River; Siskiyou Mts. 564 Comment
  UC163826  Lathyrus jepsonii var. californicus Geo. D. Butler 1910-7-6 1644 Siskiyou Shackleford Creek 914 Comment
  SEINET955921  Lathyrus maritimus G. D. Butler 1910-1 1588 Siskiyou Dlaup Bank 1524 Comment
  RSA594185  Lathyrus polyphyllus S. O. Mattoon 1977-6-26 60 Siskiyou Gooseneast District; Klamath North Fork; Forest Road 2 miles S of Surveyors Glade; 12 air miles W of MacDoel. 1829 Comment
  JEPS45873  Leersia oryzoides Louis C. Wheeler 1934-9-16 3270 Siskiyou Siskiyou Mountains, Klamath River, Walker Klamath River; Siskiyou Mountains, , Walker 518 Comment
  UCR131600  Leersia oryzoides L. C. Wheeler 1934-9-16 3270 Siskiyou Siskiyou Mtns., Walker, Klamath River 518 Comment
  JEPS117619  Lemna gibba Lowell Ahart, John Dittes 2010-7-30 16959 Siskiyou On the shallow calm water, along the south edge of the Shasta River, about 100 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) sou 716 Comment
  HSC103030  Lepidium campestre J. P. Smith 2014-6-7 13888 Siskiyou Yreka 844 Comment
  HSC64118  Lepidium campestre J. P. Smith 1973-5-5 6571 Siskiyou Etna 793 Comment
  UC166134  Lepidium densiflorum var. macrocarpum Geo. D. Butler 1910-6-27 1612 Siskiyou Yreka Creek Comment
  CAS-BOT-BC89183  Lepidium draba Geo. D. Butler 1909-5-10 725 Siskiyou Yreka. Comment
  CAS-BOT-BC60148  Lepidium virginicum var. menziesii Doris K. Kildale 1928-7-1 5325 Siskiyou Forks of Salmon. Salmon River. 365 Comment
  HSC81974  Lepidium virginicum var. virginicum Barry Silver 1986-5-24 604 Siskiyou West Branch Campground, Klamath National Forest, 7 mi. NW of Happy Camp, near Indian Creek 671 Comment
  CHSC91382  Leptosiphon bolanderi Lowell Ahart; John Dittes 2005-6-10 12087 Siskiyou Rocky hillside, north of the rock fence, about 200 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
  RSA0089588  Leptosiphon harknessii Dean Wm. Taylor 1987-6-23 9050 Siskiyou Vicinity of Mud Well, McCloud River headwaters. 1402 Comment
  RSA237969  Leptosiphon harknessii Frederick W. Oettinger, R. F. Thorne 1969-8-8 1294 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  UC725418  Lessingia nemaclada A. A. Heller 1916-7-23 12494 Siskiyou at Dunsmuir Dunsmuir 640 Comment
  CAS-BOT-BC58263  Leucothoe davisiae John Thomas Howell 1937-7-24 13387 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  UC1951316  Leucothoe davisiae Robert F. Thorne and Fred Oettinger 1969-8-4 63378 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. At margin of Diamond Lake. Comment
  HSC4440  Lewisia cotyledon William J. Ferlatte 1966-6-22 76 Siskiyou Josephine Lake Basin 1677 Comment
  JEPS84274  Lewisia cotyledon L. R. Heckard with J. Hickman et al. 1986-7-17 6538 Siskiyou road end area and camp overlooking S end of Alex Hole, SE of Condrey Mountain 1980 Comment
  LA86527  Lewisia cotyledon John M. Tucker; 1963-7-7 3713 Siskiyou Marble Mountain Wilderness Area, in vicinity of Paradise Lake, at base of Kings Castle on E side 1981 Comment
  UC164414  Lewisia cotyledon var. heckneri Geo. D. Butler 1910-6-5 1527 Siskiyou Log Lake Comment
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Jun 6 2012
  HSC68553  Lewisia cotyledon var. howellii Maralyn A. Renner 1980-6-8 800 Siskiyou Slopes E of Hwy. 3 1341 Comment
  HSC4869  Lewisia leeana J. O. Sawyer 1968-7-22 257 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC99207  Lewisia leeana J. O. Sawyer 1969-6-13 1059 Siskiyou Slope above Little Duck Lake 2134 Comment
  JEPS17291  Lewisia leeana unknown 1922-5-24 Siskiyou garden of Leonard Joss of Etna Mills Comment
  CAS-BOT-BC444583  Lewisia triphylla John Thomas Howell 1937-7-24 13407 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  UC1408940  Lewisia triphylla Frederick W. Oettinger 1969-7-10 947 Siskiyou n Upper English Lake; Salmon Mountains, High Lake Basins, Marble Mountain Wilderne 1950 Comment
  POM112698  Leymus triticoides Geo D. Butler 1910-6-13 1562 Siskiyou Yreka Creek Comment
  UC630405  Ligusticum grayi Annetta Carter 1939-8-21 1472 Siskiyou 12 mi. s.w. Etna (above s.e. end of Taylor Lake); Salmon Mts. 2194 Comment
  UC454438  Lilium I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake Comment
  CAS-BOT-BC508255  Lilium columbianum Geo. D. Butler 1910-7-20 886 Siskiyou Highland Mine Comment
  HSC22275  Lilium kelleyanum J. O. Sawyer 1969-8-4 1888 Siskiyou Above S Sugar Lake 2043 Comment
  HSC91458  Lilium kelleyanum Jennifer Whipple 1976-7-24 1570 Siskiyou Dobkins Lake 2073 Comment
  POM170288  Lilium pardalinum subsp. wigginsii Geo D. Butler 1910-6-6 1454 Siskiyou Quartz Valley Comment
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Nov 25 2011
  CAS-BOT-BC132995  Lilium rubescens E. K. Balls 1949-7-10 13953 Siskiyou 3 miles from Sawyers bar on rd. to Cecilville 1005 Comment
  CAS-BOT-BC132996  Lilium rubescens Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1962 Comment
  HSC33339  Lilium washingtonianum subsp. purpurascens William J. Ferlatte 1974-7-25 1583 Siskiyou Yellow Rose Mine 2073 Comment
  POM109728  Lilium washingtonianum subsp. purpurascens Geo D. Butler 1910-6-5 1484 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC133016  Lilium washingtonianum subsp. purpurascens H. A. Thomas; J. H. Thomas 1954-7-25 4543 Siskiyou Salmon - Trinity Mts., below Rush Creek Meadow along Rush Creek, about 8 miles E of Cecilville 1828 Comment
  UC61185  Lilium washingtonianum subsp. washingtonianum W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson; Mount Shasta Comment
  SEINET1783230  Lilium wigginsii Unknown 1954-7-16 1266 Siskiyou Siskiyou Mountains near Oregon border W of Hwy 99. Comment
  UC1286472  Linanthus ciliatus W. B. and V. G. Cooke 1965-7-12 35179 Siskiyou Bolam Road Mt. Shasta Comment
  CDA6301  Linaria genistifolia subsp. dalmatica T. C. Fuller 1958-6-19 1798 Siskiyou South of road to Montague, 1.5 miles east of Yreka. 0 Comment
  JEPS83865  Linnaea borealis var. longiflora Wayne Roderick July 1976 Siskiyou vicinity Cook and Green Pass (near Spring); Siskiyou Mts., vicinity Cook and Green Pass 1463 Comment
  SBBG69501  Linnaea borealis var. longiflora J. G. Lemmon 1879-7-4 Siskiyou near Shasta 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
  UC163691  Linum lewisii Geo. D. Butler 1908-8-6 9 Siskiyou Summit between Marble Mountain and Wooley Creek Comment
  JEPS25642  Listera caurina Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7281 Siskiyou Poker Flat 1536 Comment
  RSA758217  Listera caurina Robert F. Thorne 1969-8-2 63330 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  HSC16644  Listera convallarioides Dorothy Parker 1949-6-26 Siskiyou Salmon Mountains Range, Etna Creek 1177 Comment
  HSC67729  Listera convallarioides John S. Palmer 1980-8-12 693 Siskiyou SE of Wards Gap. 1189 Comment
  HSC77229  Listera convallarioides L. P. Janeway 1983-7-18 430 Siskiyou 1/4 mi. NE up draw from FS 19N07, 5 mi. from Indian Creek Rd. 1250 Comment
  UC60971  Lithocarpus densiflorus var. echinoides Geo. B. Grant Sep 1902 5244 Siskiyou Shasta Springs; Mount Shasta Comment
  HSC27484  Lithophragma affine J. P. Smith, J. O. Sawyer 1972-5-27 5355 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  UC166491  Lithophragma glabrum Geo. D. Butler 1910-3-18 1132 Siskiyou Be<??>k 5 Yreka (Yreka) Comment
  SJSU6066  Lithophragma heterophyllum R. W. Trivelpiece 1971-6-1 4 Siskiyou East Fork of Horse Cr between White Mt & White Cloud Mt c. 5 mi from Oregon border 1219 Comment
  CHSC71327  Lithophragma tenellum Vernon H. Oswald; Lowell Ahart 1998-6-11 9209 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
  UCSB13237  Lithospermum californicum Breedlove, Dennis 1962-6-10 Siskiyou Along Indian Creek Road; 15.6 miles northwest of Happy Camp; Siskiyou Mountains 975 Comment
  SEINET10591996  Lolium perenne A. Arthur Heller 1921-7-5 Heller 13564 Siskiyou Moist soil at Abrams Lake, near the town of Mt. Shasta, in the yellow pine belt. Comment
  JEPS101763  Lomatium engelmannii Dean W. Taylor 1997-6-12 16063 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle Comment
  HSC22216  Lomatium macrocarpum J. O. Sawyer 1969-8-2 1711 Siskiyou Summit W of Little Duck Lake 2409 Comment
  HSC76695  Lomatium macrocarpum K. T. Stillman 1976-8-7 203 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  UC595106  Lomatium macrocarpum David D. Keck 1938-8-6 4810 Siskiyou at Del Norte Co. line Poker Flat (summit of Siskiyou Mts., 4 mi. s. of Oregon line, on rd. from Waldo to Happy Camp); Siskiyou Mts., Poker Flat 1555 Comment
  HSC22215  Lomatium macrocarpum J. O. Sawyer 1969-7-2 1037 Siskiyou Near summit above Lipstick Lake 2226 Comment
  SDSU2237  Lomatium macrocarpum D. F. Howe 1972-7-4 4867 Siskiyou Sanger Peak road just south of Del Norte. Marker, Stoney hillside near Youngs Valley. 1737 Comment
  UC166152  Lomatium peckianum Geo. D. Butler 1909-4-14 638 Siskiyou near Yreka Comment
  POM68734  Lonicera ciliosa Geo. D. Butler 1910-5-23 1395 Siskiyou Humbug Mtn. 1220 Comment
  JEPS13671  Lonicera conjugialis W. L. Jepson 1937-7-30 18548 Siskiyou headwaters Indian Creek (Poker Flat, near Del Norte Co. boundary); Siskiyou Mountains 1584 Comment
  RSA184706  Lonicera conjugialis Gilbert Muth 1966-7-25 455 Siskiyou Marble, near top of ridge, Marble Mts. 2043 Comment
  CAS-BOT-BC243920  Lonicera involucrata var. involucrata M. S. Baker 1925-9-7 120 a Siskiyou Near Soda Sp. Range. Sta. Comment
  CAS-BOT-BC198578  Lotus Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 131 Siskiyou Road to Mumbo Basin, Trinity Mts. 1962 Comment
  CDA27194  Lotus crassifolius T. C. Fuller 1967-6-29 16039 Siskiyou South side of Deetz Road, 1 mile west of IS-5 at Black Butte. 0 Comment
  SEINET3131480  Lotus crassifolius var. crassifolius G. D. Butler 1910-6-6 1452 Siskiyou Quartz Valley Comment
  UC163684  Lotus denticulatus Geo. D. Butler 1908-6-24 389 Siskiyou near Yreka Comment
  UC161561  Lotus nevadensis var. nevadensis Geo. D. Butler 1908-6-28 392 Siskiyou near Yreka Comment
  UC163659  Lotus nevadensis var. nevadensis Geo. D. Butler 1910-5-31 1441 Siskiyou near Yreka Comment
  JEPS87893  Lotus pinnatus Vernon H. Oswald and Lowell Ahart 1994-7-11 6401 Siskiyou 0.5 mi ne of Gumboot Lake (w of Dunsmuir, Gumboot Creek on the upstream side of Forest Road 26 to Mount Shasta); Gumboot Creek, Forest Road 26 1783 Comment
  UC862214  Lotus purshianus var. purshianus A. A. Heller 1915-7-18 12110 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 Comment
  RSA211154  Lotus unifoliolatus William J. Ferlatte 1967-7-9 682 Siskiyou Kidd Creek Trail, densely wooded canyon; Trinity Alps. 1677 Comment
  HSC60909  Luetkea pectinata Al Hobart 1971-7-19 Siskiyou Black Butte Comment
  HSC83  Luetkea pectinata William J. Ferlatte 1966-8-5 343 Siskiyou Caribou Mtn. 2470 Comment
  RSA211466  Luetkea pectinata William J. Ferlatte 1966-8-5 343 Siskiyou Caribou Mtn., Open granite slopes and ridges. Near summit. 2470 Comment
  UCR52471  Luetkea pectinata K. Berg, Stephanie Bennett 1986-8-25 639 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little South Fork of Salmon River; above Little South Fork Lake 2287 Comment
  SBBG3502  Lupinus albicaulis H. and M. Dearing 1939-6-19 3680 Siskiyou high up French Crk 914 Comment
  SBBG94889  Lupinus albicaulis S. Morgan 1987-7-28 Siskiyou McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity Nat Forest, S of Mt Shasta 1767 Comment
  UC1542858  Lupinus albicaulis P. Kenney, Conrad and LeDoux 1973-6-4 386 Siskiyou just before Pony Trail Road along w side Mt. Shasta; w side of Mt. Shasta 1066 Comment
  UCD105861  Lupinus albicaulis A. A. Heller 1915-7-18 12117 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  CDA27352  Lupinus albicaulis var. shastensis Vernon H. Oswald & Lowell Ahart 1998-6-11 9184 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  RSA406971  Lupinus albicaulis var. shastensis M. B. Dunkle 1944-7-1 9059 Siskiyou Siskiyou National Forest. Comment
  RSA430396  Lupinus albicaulis var. shastensis P. Kenney, Conrad, LeDoux, O. Kenney 1973-6-4 386 Siskiyou Along west side of Mt. Shasta, just before Pony Trail Road. 1067 Comment
  HSC71540  Lupinus albifrons J. P. Smith, Steve Selva 1970-6-15 3952 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  SEINET7042816 Image available Lupinus albifrons A. G. Vestal 1955-5-17 s.n. Siskiyou Shasta Valley 2.1 miles north of Yreka. Hawkinsville quadrangle UTM Zone 10, 531952mE, 4623659mN. Comment
  CAS-BOT-BC195965  Lupinus albifrons var. albifrons K. L. Chambers 1967-6-22 2850 Siskiyou About 500 ft above and east of the freeway (Hwy. 5) at the Hilts exit, Siskiyou Pass 1097 Comment
  POM26759  Lupinus albifrons var. eminens Geo. D. Butler 1910-5-16 1353 Siskiyou Yreka Comment
  SEINET5766850 Image available Lupinus albifrons var. flumineus D. B. Dunn, B. J. Cox 1971-1 17937 Siskiyou 9 mi N of Weed, US 97 at Whitney Creek 1250 Comment
  SEINET10937025  Lupinus albifrons var. flumineus Katherine L. Morris 1973-6-2 Morris 370 Siskiyou In an open meadow assoc. With yellow pine on the s side of hwy 3, 22 miles e of Fort jones Comment
  HSC23657  Lupinus andersonii J. O. Sawyer 1969-7-16 1144 Siskiyou 2073 Comment
  JEPS91327  Lupinus angustiflorus Dean W. Taylor 1987-6-7 9024 Siskiyou Paynes Springs, Medicine Lake highland 2011 Comment
  CAS-BOT-BC8426  Lupinus argenteus Amos Arthur Heller 1905-6-9 8015 Siskiyou Montague Comment
  UC147327  Lupinus breweri Harley P. Chandler June, 1901 1590 Siskiyou near Marble Mountain; North Coast Ranges, near Marble Mountain 1981 Comment
  CAS-BOT-BC196695  Lupinus breweri var. breweri Elmer I. Applegate 1923-9-7 3967 Siskiyou Dry Lake Lookout Station, Doggett Ridge, south slope of the Siskiyou Mountains Comment
  HSC64662  Lupinus breweri var. breweri J. O. Sawyer 1977-7-6 3028 Siskiyou S of Little Duck Lake 2134 Comment
  JEPS19766  Lupinus croceus Rimo Bacigalupi with S. Galen Smith 1957-6-26 5963 Siskiyou about 3 1/2 mi below (ne of) Gumboot Lake (Canyon of South Fork of Sacramento River); Canyon of South Fork Sacramento River, ne of Gumboot Lake 1767 Comment
  UC1481294  Lupinus croceus var. pilosellus M. L. Conrad, Dunn, and Kenney 1973-6-2 6988 Siskiyou on road to Callahan, ne Cecilville Store; ne of Cecilville Store 2072 Comment
  HSC77004  Lupinus latifolius subsp. viridifolius K. T. Stillman 1976-6-25 85 Siskiyou Marble Mtn. Wilderness Area, N side of Elk Valley. 1799 Comment
  UC454939  Lupinus latifolius var. viridifolius I. J. Condit 1911-7-7 Siskiyou Dunsmuir Comment
  UC33405  Lupinus lepidus var. lobbii W. C. Blasdale 1894-7-31 Siskiyou Mt. Shasta , near Black Butte (near Black Butte) Comment
  UC598750  Lupinus lepidus var. lobbii C. Hart Merriam 1900-1 130 Siskiyou Squaw Creek Mt. Shasta (Mt. Shasta); , Squaw Creek Comment
  UCD108430  Lupinus lepidus var. lobbii Jack Major 1961-7-14 651 Siskiyou ridge above Mud Creek, Mount Shasta. 2316 Comment
  SEINET952479  Lupinus lepidus var. sellulus Mark Fishbein, Lane Hreer 2006-1 5875 Siskiyou South Base of Medicine Lake Glass Flow, just north of Medicine Lake 2050 Comment
  UC1034068  Lupinus lepidus var. sellulus W. Bridge Cooke 1941-8-18 16189 Siskiyou Mount Shasta Comment
  HSC2251  Lupinus leucophyllus Geo. D. Butler 1910-4-19 1201 Siskiyou Yreka Comment
  UC157002  Lupinus leucophyllus Geo. D. Butler 1908-7-16 365 Siskiyou Klamath River Comment
  SEINET10488767  Lupinus luteolus Patricia L. Kenney 1973-6-1 Kenney 380 Siskiyou Collected along roadside of i-5, 1.3 mi s of california state line. Comment
  JEPS65410  Lupinus onustus J. G. Lemmon July, 1879 Siskiyou Indian Valley to Shasta; Indian Valley to Shasta Comment
  HSC71547  Lupinus polyphyllus J. P. Smith, Steve Selva 1970-6-16 4028 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  UC922392  Lupinus polyphyllus var. burkei Annie M. Alexander and Louise Kellogg 1949-7-20 5821 Siskiyou Paradise Lake; Marble Mountains, Paradise Lake 1920 Comment
  SD88330  Lupinus sellulus Darley F. Howe 1972-7-8 Siskiyou 11.5 miles north of Weed on Highway 97. 4000 Comment
  RSA47664  Lupinus sellulus subsp. sellulus Roxana S. Ferris, Laura Lorraine, Daniel F. Ferris 11759 Siskiyou French Creek Logging Road west of Callahan. 1220 Comment
  HSC68532  Lupinus sellulus var. artulus Maralyn A. Renner 1980-6-24 1071 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  HSC65585  Lupinus sellulus var. lobbii Donald W. Miles 1979-7-27 26 Siskiyou Big Sand Flat, 2 mi. E of Harris Springs Rd., 10 mi. NE of Bartle. 1393 Comment
  POM215861  Luzula comosa var. laxa L. C. Wheeler 1934-6-12 2691 Siskiyou Hungry Creek Lookout, Siskiyou Mountains. (Mt. Diablo Mer.) 1463 Comment
  HSC39711  Luzula parviflora J. P. Smith, Steve Selva 1970-6-16 4067 Siskiyou 8 mi. W of Etna on road to Sawyers Bar 1372 Comment
  HSC632  Luzula parviflora William J. Ferlatte 1967-7-26 748 Siskiyou Caribou Basin, ridge W of Big Caribou Lake 2134 Comment
  HSC68436  Luzula parviflora Maralyn A. Renner 1980-7-5 1531 Siskiyou Doe Flat 1220 Comment
  HSC59902  Luzula parviflora D. L. Goforth 1979-7-19 254 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin N of upper lake 2134 Comment
  UC1265299  Luzula parviflora Frederick W. Oettinger 1968-9-9 800 Siskiyou stream bank meadow that runs from Tom's Lower Pond (High Lake Basins in vicinity of English Peak, western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 2011 Comment
  CDA34595  Machaeranthera canescens var. shastensis M. Beyers, G. F. Hrusa 2010-8-18 708 Siskiyou Highway 3; +/- south of Callahan just N of where Pacific Crest Trail intersects highway. 1638 Comment
  POM52120  Machaeranthera canescens var. shastensis George B. Grant 1902-9-7 5111 Siskiyou Mt. Shasta 2439 Comment
  UCR64616  Madia bolanderi L. C. Wheeler 1934-8-10 03103 Siskiyou Dead Cow Creek 1829 Comment
  CAS-BOT-BC343997  Madia elegans A. A. Heller 1916-8-24 12556 Siskiyou Near Sisson 1074 Comment
  CAS-BOT-BC344012  Madia elegans Elmer I. Applegate 1923-9-7 3946 Siskiyou Klamath River at mouth of Doggett Creek. (Doggett Creek = Shovel Creek) Comment
  OBI53786  Madia elegans David J. Keil 1992-7-20 23472 Siskiyou W side of Scott Valley, 4.9 mi N of Etna alog CA Rte 3 875 Comment
  POM211185  Madia elegans subsp. densifolia L. C. Wheeler 1934-9-18 3280 Siskiyou Klamath River near mouth Beaver Creek, Siskiyou Mts. 549 Comment
  CHSC71473  Madia exigua Vernon H. Oswald; Lowell Ahart 1998-7-12 9355 Siskiyou Northeast of Weed, east of Grass Lake, and west of Bray on Old State Highway 0.8 mi east of Tennant Rd. 1417 Comment
  CAS-BOT-BC343422  Madia gracilis Elmer I. Applegate 1923-9-7 3954 Siskiyou Doggett Ridge, south slope of the Siskiyou Mountains Comment
  CAS-BOT-BC343433  Madia gracilis Louis C. Wheeler 1934-9-5 3247 Siskiyou Sterling Mt., Siskiyou Mts. 1981 Comment
  CAS-BOT-BC343440  Madia gracilis Wm. Bridge Cooke 1938-8-5 11440 Siskiyou Mount Shasta. MacBride Springs Comment
  RSA24233  Mahonia aquifolium C. B. Wolf 1940-12-12 9798 Siskiyou Siskiyou Mts. 7 mi. above Oak Knoll ranger station on rd. to Dry Lake Lookout. 1372 Comment
  CAS-BOT-BC512766  Maianthemum racemosum subsp. amplexicaule John Thomas Howell 1937-7-23 13372 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC514186  Maianthemum stellatum Wm. Bridge Cooke 1938-7-1 11148 Siskiyou Mount Shasta, Below Wagon Camp 1706 Comment
  HSC2257  Malacothrix sonchoides Geo. D. Butler 1910-6-4 1491 Siskiyou Shackleford Creek Comment
  HSC46146  Malva neglecta J. P. Smith, Steve Selva 1970-7-17 4440 Siskiyou 915 Comment
  POM210969  Marah oregana L. C. Wheeler 1934-8-2 3026 Siskiyou Siskiyou Mountains: Jaynes Canyon. Mt. Diablo Mer. 1828 Comment
  HSC31095  Melica aristata Frederick W. Oettinger 1969-9-4 1662 Siskiyou Marble Mtn. Wilderness Area, N side of Tom Lake Basin. 1951 Comment
  UC1265397  Melica bulbosa F. W. Oettinger 1968-8-8 451 Siskiyou Crapo Meadow; Salmon Mts. 2164 Comment
  UCD86422  Melica californica A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3411 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  HSC92632  Melica fugax Jennifer Whipple 1978-7-20 2357 Siskiyou SE facing slopes draining into the N fork of the Sacramento River. 2378 Comment
  UCD77853  Melica harfordii Robert E. Preston 2001-7-21 1718 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2042 Comment
  HSC22110  Melica subulata J. O. Sawyer 1968-7-10 466 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  SBBG14878  Mentzelia A. I. Richardson 1961-6-8 16 Siskiyou Big Springs Rd N of jct with Hwy 97 914 Comment
  HSC63288  Mentzelia laevicaulis M. A. Baker 1979-7-28 1063 Siskiyou 9 km S of Little Grider Creek, along Hwy. 96 Comment
  UC1170102  Mentzelia laevicaulis var. laevicaulis W. Bridge Cooke 1956-7-16 30300 Siskiyou above Hotlum Station (Cinder cone, along a road to a gravel pit in chapparal); north side of Mount Shasta 1676 Comment
  UC583414  Mentzelia laevicaulis var. laevicaulis Elmer I. Applegate 1923-9-6 3938 Siskiyou 12 mi below mouth of Shasta River; Klamath River Comment
  CAS-BOT-BC428550  Micranthes aprica A. A. Heller 1915-7-15 12081 Siskiyou Mt. Eddy 2072 Comment
  CAS-BOT-BC428732  Micranthes californica F. D. Douthitt 1926-3-16 4 Siskiyou Klamath National Forest. Klamath River near Horse Creek 487 Comment
  CAS-BOT-BC429035  Micranthes nidifica Edna Churchill 1904-4-11 s.n. Siskiyou Yreka Comment
  UCD102876  Micranthes odontoloma J. M. Tucker 1963-8-19 3778 Siskiyou Marble Mountain Wilderness Area, at the east base of Marble Mountain, headwaters of Canyon Creek. 1950 Comment
  CAS-BOT-BC322662  Microseris laciniata K. L. Chambers 1969-5-26 2933 Siskiyou Salmon River, between Somes Bar and Forks of the Salmon, 1.3 miles east of Lewis Creek Comment
  UC163825  Microseris laciniata subsp. laciniata Geo. D. Butler 1910-5-28 1420 Siskiyou Shasta Valley Comment
  SBBG8718  Microseris nutans H. and M. Dearing 1939-6-30 3752 Siskiyou Etna 1219 Comment
  HSC227  Microsteris gracilis William J. Ferlatte 1967-6-5 494 Siskiyou Big Flat, near public camp 1524 Comment
  RSA237329  Microsteris gracilis subsp. humilis Frederick W. Oettinger 1967-6-24 117 Siskiyou Ridge at Etna Summit between Etna and Sawyers Bar. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UCD122135  Mimulus alsinoides Sandy Holloway 1963-4-11 35 Siskiyou Indian campground, Clement's Ranch, ca. 4 miles northwest of Montague. 762 Comment
  HSC22489  Mimulus breweri J. O. Sawyer 1969-7-3 1048 Siskiyou Above Lipstick Lake 1951 Comment
  HSC45047  Mimulus breweri J. O. Sawyer 1978-6-19 3257 Siskiyou Marble Mountain Wilderness Area; along trail in Bug Gulch 1524 Comment
  UC1736262  Mimulus jepsonii Dean W. Taylor 1987-6-7 9020 Siskiyou South end Saddle Hills 1645 Comment
  UC164473  Mimulus layneae Geo. D. Butler 1910-6-19 1585 Siskiyou Goosenest foothills 1524 Comment
  UC27060  Mimulus moniliformis F. W. Morse July, 1886 Siskiyou Shasta Comment
  UC1037454  Mimulus moniliformis Douglas Barbe 1955-7-1 77 Siskiyou 4.5 mi s Etna (on the Westside Road to Callahan at the French Creek bridge); Klamath Mountains 853 Comment
  HSC36559  Mimulus moschatus J. O. Sawyer 1969-7-18 1379 Siskiyou Ridge above S Russian Creek 1921 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
  HSC91020  Mimulus nanus Jennifer Whipple 1977-8-4 2147 Siskiyou Trinity and Siskiyou Counties: Summit region of Mt. Eddy 2622 Comment
  LA209351  Mimulus nanus var. jepsonii W. B. C.; 1939-7-7 135686 Siskiyou Mount Shasta, Along the road between Bear Springs and Wagon Camp 1676 Comment
  RSA422244  Mimulus nanus var. nanus Louis C. Wheeler 1934-8-6 3052 Siskiyou Rock Gulch off Jaynes Canyon. Siskiyou Mts. Mt. Diablo Mer. 1829 Comment
  UC125155  Mimulus pilosus Dr. E. B. Copeland 1903-7-3 3529 Siskiyou Klamathon Comment
  UC445168  Mimulus primuloides Milo S. Baker Aug. 1897 142 Siskiyou Payne's Springs Comment
  JEPS4670  Mimulus pulsiferae Milo S. Baker 1893-6 Siskiyou 6 mi below (w of) Bartles; McCloud River Comment
  JEPS4671  Mimulus pulsiferae Willis L. Jepson July, 1894 55 m Siskiyou Sisson Region of the Upper Sacramento Comment
  HSC69743  Minuartia nuttallii subsp. gregaria Maralyn A. Renner 1980-6-26 1271 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  HSC77353  Minuartia nuttallii subsp. gregaria L. P. Janeway 1983-8-7 519 Siskiyou Near end of Rd. 17N32 (the S Fork Indian Cr. Rd.), 19 mi. from the Indian Creek Rd. 1555 Comment
  UC1586849  Minuartia nuttallii subsp. gregaria Juha Pykala and D. H. Norris 1987-6-26 2004 Siskiyou n Sulphur Springs (between Doolittle Creek and Stanza Creek, e tributaries of Eel Creek); Klamath National Forest 1400 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
  HSC99989  Minuartia stolonifera Thomas W. Nelson, & Sydney Carothers 2005-7-17 9382 Siskiyou Along the W side of Hwy. 3 at the junction of F. S. Rd. 40N43. 1220 Comment
  SEINET3860469  Minuartia stolonifera Thomas W. Nelson, Jane P. Nelson 1985-6-19 7839 Siskiyou Along S side of State Route 3, 3.1 mi N of Scott Mountain Pass.; 0 1219 Comment
  CAS-BOT-BC229612  Mirabilis greenei L. E. Smith 1912-8-1 s.n. Siskiyou Hornbrooke Comment
  CHSC96407  Mitella caulescens L. P. Janeway 2006-7-1 8723 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow, north side of South Fork Salmon River. 1579 Comment
  CAS-BOT-BC433016  Mitella diversifolia Geo. D. Butler 1910-5-23 1391 Siskiyou Humbug Mountain 1219 Comment
  HSC20240  Mitella pentandra Dorothy Parker 1949-7-10 333 Siskiyou Near Paradise Lake, Salmon Mountain 1982 Comment
  UC30027  Mitella pentandra Harley P. Chandler June, 1901 1555 b Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  HSC44937  Mitella trifida J. O. Sawyer 1978-6-19 3245 Siskiyou Marble Mtn. Wilderness Area, trail between Timothy Gulch and Harry Hall Gulch 1433 Comment
  RSA183701  Mitella trifida Gilbert Muth 1965-8-18 236 Siskiyou Marble Mts.; trail behind Black Mt. Comment
  HSC75246  Moehringia macrophylla J. P. Smith 1973-5-5 6493 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC97697  Mollugo verticillata Thomas W. Nelson, Shauna Hee 2006-8-4 9462 Siskiyou Scott Mtn. Pass, along ridge between Carmen Lake, Hwy. 3, ridge S of junction of FS Rds. 40N08 and 44N44 1671 Comment
  HSC22276  Monardella glauca J. O. Sawyer 1969-7-3 1053 Siskiyou SE facing slope above Horse Range Creek 1616 Comment
  CAS-BOT-BC221809  Monardella odoratissima Alice Eastwood 1912-7-19 1233 Siskiyou Mount Shasta Comment
  JEPS105109  Monardella odoratissima subsp. glauca Dean W. Taylor 1993-7-30 13992 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 miles east of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  UC2035858  Monardella odoratissima subsp. glauca Elmer I. Applegate 1935-6-8 9432 Siskiyou Bear Paw Cave Lava Beds National Monument Comment
  UC2035946  Monardella odoratissima subsp. glauca C. Epling 1938-6-13 Siskiyou Near Weed Comment
  UC456092  Monardella odoratissima subsp. glauca I. J. Condit 1911-7-5 Siskiyou Mt. Bradley near Shasta Retreat Comment
  UCD125202  Monardella odoratissima subsp. glauca K. M. Meyer; A. Townesmith 2007-8-2 186 Siskiyou Klamath National Forest; 10.1 miles on National Forest Road 70, off Highway 97 toward Oregon. 1956 Comment
  CAS-BOT-BC220362  Monardella odoratissima subsp. pallida J. M. Tucker 1963-8-19 3785 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area 1920 Comment
  JEPS63407  Monardella odoratissima subsp. pallida W. L. Jepson 1894-8-4 50 b Siskiyou Halfway up mountain from Sisson; Mt. Shasta Comment
  UC1096813  Monardella odoratissima subsp. pallida H. K. Wagnon 1957-8-11 1702 Siskiyou Mt. Shasta ca. 1 mi W of Military Pass Road, along road to Brewer Creek. Comment
  CAS-BOT-BC220235  Monardella sheltonii Alice Eastwood; John Thomas Howell 1940-6-14 824 Siskiyou Lava Beds Nat. Mon. near Indian Well Comment
  UC2035868  Monardella villosa subsp. villosa Louis C. Wheeler 1934-6-9 2664 Siskiyou Klamath River between Dutch Creek and Deadman Gulch; Siskiyou Mts. Comment
  UC1409435  Monotropa hypopitys Frederick W. Oettinger 1968-8-7 430 Siskiyou trail between Diamond Lake and Hancock Lake (High Lake Basins in vicinity of English Peak, western Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  RSA697550  Monotropa hypopitys Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mtns. 915 Comment
  NY342246  Montia obtusata A. A. Heller 1905-6-1 7945 Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  CAS-BOT-BC262613  Muhlenbergia andina K. T. Stillman 1976-9-10 507 Siskiyou Marble Mountain Wilderness Area. Up across Marble on east side of Black Mtn. 2103 Comment
  UCD86525  Muhlenbergia asperifolia A. A. Heller 1918-7-25 13082 Siskiyou Shasta Valley between Gazelle and Edgwood. Comment
  UCD86526  Muhlenbergia asperifolia A. A. Heller 1918-7-25 13082 Siskiyou Gravelly soil between Gazelle and Edgwood in the Shasta Valley. Upper Sonoran Life Zone. Comment
  CAS-BOT-BC267046  Muhlenbergia filiformis W. B. C. 1938-7-15 11221 a Siskiyou Mount Shasta. Above Bear Springs Comment
  RSA603014  Muhlenbergia filiformis L. C. Wheeler 1935-7-26 3703 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  UC618639  Muhlenbergia filiformis W. Bridge Cooke 1938-7-15 11211 Siskiyou above Bear Springs; Mount Shasta Comment
  UC711877  Muhlenbergia richardsonis Roxana S. Ferris and Laura Lorraine 1941-8-11 10497 Siskiyou on US Hwy 97 Grass Lake Station 1554 Comment
  CAS-BOT-BC516027  Narthecium californicum W. R. Dudley 1905-8-4 s.n. Siskiyou Trail to Mount Eddy Comment
  UC648274  Navarretia capillaris John Thomas Howell 1939-8-10 15258 Siskiyou Sky High Valley , Sky High Valley (Marble Mts.) Comment
  UC1332135  Navarretia divaricata John Thomas Howell 1937-7-27 13572 Siskiyou near Big Flat; Salmon River 1524 Comment
  POM75064  Navarretia divaricata Geo D. Butler 104 Siskiyou West Fork of Wooley Creek 1677 Comment
  POM75063  Navarretia intertexta Geo D. Butler 1908-8-27 157 Siskiyou Oro Fino Comment
  POM75694  Navarretia intertexta Geo D. Butler 1910-7-20 1730 Siskiyou Goosenest foothills. 1524 Comment
  POM312620  Navarretia sinistra H. L. Mason 1948-7-17 13597 Siskiyou Eastern Grass Lake, in forested hills Comment
  HSC77354  Nicotiana acuminata var. multiflora L. P. Janeway 1983-7-30 467 Siskiyou Near S side of Klamath River, 3 mi. E of Copco Lake (River Access No. 4) 777 Comment
  CAS-BOT-BC60592  Noccaea fendleri subsp. glauca Harley P. Chandler 1901-6-1 1689 Siskiyou North Coast Ranges. Marble Mountain. 2438 Comment
  HSC32254  Noccaea fendleri subsp. glauca J. O. Sawyer 1971-6-29 2394 Siskiyou Elk Hole 1524 Comment
  NY790539  Nothochelone nemorosa H. L. Mason 1950-7-16 14062 Siskiyou Road from Happy Camp, California, to Waldo, Oregon Comment
  UCD110192  Notholithocarpus densiflorus AT Leiser 1973-3-22 s.n. Siskiyou Dunsmuir. Comment
  UC722330  Nuphar lutea subsp. polysepala C. L. Hitchcock, J. S. Martin 1939-7-7 5273 Siskiyou Whiskey Lake 1/2 mi above Camp Chicago (on Sanger Peak Trail); Whiskey Lake, Sanger Peak Trail 1463 Comment
  SEINET5345412  Oenothera villosa var. strigosa G. Butler 2010-7-30 1799 Siskiyou Yreka Creek Comment
  SEINET13694636 Image available Onopordum tauricum T. C. Fuller 1960-4-26 s.n. Siskiyou Dorris Comment
  UCD134658  Onopordum tauricum T. C. Fuller 1959-12-10 3324 Siskiyou along road Fred Voelker Ranch, west edge of Meiss Lake Basin, just south of Sam's Neck, ca. 15 miles southwest of Dorris. Comment
  RSA64022  Opuntia fragilis C. B. Wolf 1944-10-28 11477 Siskiyou East side of Little Shasta Valley at Coonrod Ranch (12 miles NE of Weed, then 8 miles N on road to Montague). Comment
  RSA530118  Orcuttia tenuis D. W. Taylor 1988-6-23 9861 Siskiyou 5 miles north of Timbered Crater, 1 mile SE of Adobe Flat. 1098 Comment
  SEINET3163879  Oreobroma howellii G. D. Butler 1910-6-5 1527 Siskiyou Loy Lake Comment
  UC139217  Orobanche fasciculata R. M. Austin Aug 1878 251 Siskiyou Mount Eddy. Comment
  UC1409492  Orobanche fasciculata Frederick W. Oettinger 1968-8-17 552 Siskiyou Salmon Mountains. The High Lake Basins in the Vicinity of English Peak, Marble Mountain Wilderness Area. From Taylor Cabin to Pine Lake. Comment
  RSA0066440  Orobanche fasciculata Frederick W. Oettinger 1968-8-17 552 Siskiyou Along trail from Tom Taylor cabin to Pine Lake. 2004 Comment
  CAS-BOT-BC500329  Orobanche uniflora subsp. occidentalis Gilbert J. Muth 1966-7-18 417 Siskiyou Marble Mountains: Marble Gap Trail, above Marble Valley 1828 Comment
  RSA0059236  Orobanche uniflora subsp. occidentalis Gilbert Muth 1966-7-18 417 Siskiyou Marble Gap Trail, Meadow above Marble Valley, Marble Mountains. 1829 Comment
  HSC296  Orthilia secunda William J. Ferlatte 1966-8-17 394 Siskiyou Caribou Basin 2134 Comment
  HSC68382  Orthilia secunda Maralyn A. Renner 1980-6-26 1206 Siskiyou N edge of Flint Valley 1390 Comment
  UCSB24414  Orthilia secunda Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp 1402 Comment
  CAS-BOT-BC458094  Orthilia secunda Lester Rowntree 1937-7-8 s.n. Siskiyou Happy Camp Rd. Comment
  HSC91017  Orthocarpus cuspidatus subsp. copelandii Jennifer Whipple 1976-7-9 1394 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2226 Comment
  SFV3406  Orthocarpus cuspidatus subsp. copelandii J. M. Tucker, L. K. Mann 1963-8-17 3741 Siskiyou Marble Mountain Wilderness Area. Beside trail from Red Rock Valley to top of ridge to south, and near top of ridge. 1860 Comment
  UC1333322  Orthocarpus cuspidatus subsp. copelandii Dorothy Parker 1949-7-4 225 Siskiyou near summit of Scott Mountain; near summit of Scott Mountain 1582 Comment
  JEPS83870  Orthocarpus cuspidatus subsp. cuspidatus Wayne Roderick July 1976 Siskiyou along trail to Copper Butte vicinity Cook and Green Pass; Siskiyou Mts., vicinity Cook and Green Pass 1767 Comment
  HSC22171  Osmorhiza berteroi J. O. Sawyer 1969-7-24 1199 Siskiyou W of Sugar Lake 1890 Comment
  POM208280  Osmorhiza berteroi L. C. Wheeler 1934-7-6 2885 Siskiyou Siskiyou Mountains, Hungry Creek 1098 Comment
  HSC22170  Osmorhiza occidentalis J. O. Sawyer 1969-7-18 1384 Siskiyou Near South Russian Creek 1890 Comment
  UC595105  Osmorhiza occidentalis David D. Keck 1938-8-6 4811 Siskiyou 4 mi s Oregon Line (on road from Waldo to Happy Camp, at Del Norte Co. line); Summit of Siskiyou Mts., Poker Flat 1555 Comment
  CAS-BOT-BC413220  Oxyria digyna Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  JEPS82265  Packera cana Roger Raiche 1983-8-13 30594 Siskiyou near summit Mt. Eddy 2743 Comment
  UC53872  Packera cana H. M. Hall and E. B. Babcock June 1903 4095 Siskiyou near Sheep Rock; n side Mount Shasta 853 Comment
  UC1299453  Packera cana Freed W. Hoffman 1950-7-13 3559 Siskiyou Clear Creek trail from Baldy Lookout Comment
  UC128741  Packera streptanthifolia W. T. Mooney June 1902 Siskiyou Yreka Comment
  CAS-BOT-BC28835  Paeonia brownii George Dexter Butler 1910-4-23 1229 Siskiyou Quartz Valley Comment
  SEINET3159609  Paeonia brownii G. D. Butler 1910-4-23 1229 Siskiyou Quartz valley Comment
  POM99650  Paeonia brownii Geo. D. Butler 1910-4-23 1229 Siskiyou Quartz Valley. Comment
  HSC27221  Panicum capillare J. P. Smith, J. O. Sawyer 1971-9-18 4794 Siskiyou Hwy. 3 between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  RSA115690  Panicum capillare Beecher Crampton 1956-8-21 3853 Siskiyou 1.5 miles southwest Mt. Shasta City; along Castle Lake 1037 Comment
  CAS-BOT-BC422853  Papaver rhoeas Lillian Mott 1976-6-6 21 LM76 Siskiyou Klamath River at Ash Creek, ca. 4 1/2 miles west of 5 x 96 548 Comment
  RSA150581  Papaver rhoeas Lee W. Lenz 1961-6-21 24356 Siskiyou Just north of Gazelle along highway 915 Comment
  CHSC86258  Parnassia cirrata Martin J. Lenz 2003-9-19 42 Siskiyou Approx. 2000 ft. SW of Panorama Rd. underpass, Dunsmuir. UTM: Zone 10 559966E 4560726N. 779 Comment
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May 8 2007
  CHSC78534  Parnassia cirrata var. cirrata Vernon H. Oswald 2000-8-28 9954 Siskiyou East border of Kangaroo Lake. 1853 Comment
Read comments
May 8 2007
  JEPS104438  Parnassia cirrata var. intermedia Martin J. Lenz 2003-9-19 43 Siskiyou approx. 2000 ft SW of Panorama Road underpass, Dunsmuir 778 Comment
  HSC29458  Parnassia fimbriata Frederick W. Oettinger 1968-9-4 699 Siskiyou Marble Mountain Wilderness Area, Abbots Lake. 1723 Comment
  CAS-BOT-BC202854  Paxistima myrsinites H. L. Mason 1929-5-18 5329 Siskiyou Hills along Shasta Creek Canyon Comment
  CAS-BOT-BC202859  Paxistima myrsinites A. A. Heller 1916-8-24 12563 Siskiyou Near Sisson 1077 Comment
  UCD107438  Paxistima myrsinites D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-Lake Siskiyou-Gumboot Lake. South Fork (Sacramento River) Road. 1340 Comment
  CAS-BOT-BC202863  Paxistima myrsinites Geo. D. Butler 1910-4-22 1219 Siskiyou Kidder Creek Comment
  CHSC1834  Pedicularis attollens V. Holt 1932-7-10 Siskiyou Mt. Eddy. 1828 Comment
  HSC91147  Pedicularis attollens Jennifer Whipple 1976-7-15 1486 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2317 Comment
  CAS-BOT-BC266638  Pedicularis bracteosa Doris K. Kildale 1928-8-19 6573 Siskiyou Hancock Lake, on trail to Marble Mountains 2133 Comment
  CAS-BOT-BC266647  Pedicularis bracteosa var. flavida Edna Kelsey 1961-8-1 s.n. Siskiyou Sky High Lake, Marble Mountains Comment
  UC1034031  Pedicularis bracteosa var. flavida Francis W. Pennell 1940-7-17 26183 Siskiyou around Ruffy Lake (w of Etna); Salmon Mountains, Ruffy Lake 1981 Comment
  HSC19159  Pedicularis contorta J. O. Sawyer 1969-8-1 1650 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC36885  Pedicularis densiflora J. P. Smith 1974-5-26 7547 Siskiyou Along FS Rd. 47N03 1524 Comment
  RSA183697  Pedicularis flavida Gilbert Muth 1965-8-6 180 Siskiyou Marble Mountains; backside of Black Mountain Comment
  UC164256  Pedicularis racemosa Geo. D. Butler 1910-7-7 1650 Siskiyou Shackleford Creek 1219 Comment
  HSC69375  Pedicularis semibarbata J. O. Sawyer, J. Cole 1980-7-19 3679 Siskiyou Near FS Rd. 45N05 2018 Comment
  UC673175  Pellaea brachyptera Lincoln Constance and Reed C. Rollins 1942-5-14 2933 Siskiyou Shasta River 6 mi n of Yreka; Klamath-Siskiyou Region 762 Comment
  UCR101142  Pellaea brachyptera L. C. Wheeler 1959-7-26 7609 Siskiyou Marble Mountains: near summit of Ukonom Mountain. 1402 Comment
  HSC26148  Pellaea breweri J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5689 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  UCSB51230  Pellaea mucronata Almanza, Ed 1976-7-13 Siskiyou McBride campground, Mt. Shasta 1493 Comment
  HSC61872  Penstemon anguineus Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  RSA12504  Penstemon anguineus Carl B. Wolf 1934-7-4 5932 Siskiyou Horse Creek Rd to Dry Lake Lookout, Siskiyou Mtns. 12 miles from Horse Creek Bridge on Klamath River. 1311 Comment
  UC1586979  Penstemon anguineus Juha Pykala and D. H. Norris 1987-6-26 2116 Siskiyou 0-3 km below Bear Lake (above Bear Creek, sw slopes); Marble Mountain Wilderness area Comment
  RSA50222  Penstemon anguineus E. K. Balls 1949-7-9 13929 Siskiyou 7.6 miles from Etna on road to Sawyer's Bar. 915 Comment
  JEPS45933  Penstemon cinereus Rimo Bacigalupi and L. R. Heckard 1966-6-13 9177 Siskiyou along Bolam Logging Road (n base of Mt. Shasta); , along Bolam logging road 1432 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
  UCSB51240  Penstemon davidsonii Almanza, Ed 1976-7-13 Siskiyou The "Gate" pass; Mt. Shasta 2438 Comment
  UC1408797  Penstemon davidsonii var. davidsonii Robert F. Thorne and Fred Oettinger 1969-8-10 39005 Siskiyou Mout Shasta, S slope Mount Shasta National Forest (above ski-lodge) 2377 Comment
  CAS-BOT-BC265382  Penstemon davidsonii var. davidsonii Ella Dales Cantelow 1940-6-2 4483 Siskiyou 9.4 miles W Indian Wells Ranger Station Comment
  JEPS80546  Penstemon deustus Gilbert Muth 1965-8-12 214 Siskiyou common around the Marble , Marble (Marble Mt. Wilderness Area) 1792 Comment
  UC1409427  Penstemon deustus var. pedicellatus Frederick W. Oettinger 1968-8-15 524 Siskiyou e Hancock Lake ((The high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area), Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  SD61023  Penstemon deustus var. pedicellatus Darley F. Howe 1964-8-4 3932 Siskiyou 9 mi. from entrance to Modoc Nat. Forest. Lava Bed Nat. Monument 2042 Comment
  NY609833  Penstemon deustus var. suffrutescens A. Eastwood 1937-6-26 5043 Siskiyou Salmon Mountains above Taylor Creek Comment
  SEINET10880486  Penstemon gracilentus Andrew Townesmith, Karen M. Meyer 2007-7-30 Townesmith 870 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta. T41N R3W S33 NW 1/4. 2399 Comment
  UC313694  Penstemon gracilentus David D. Keck 1927-8-17 307 Siskiyou Horse Camp , Horse Camp (s side of Mt. Shasta) 2468 Comment
  JEPS11463  Penstemon heterodoxus var. shastensis W. L. Jepson 1940-7-3 20106 Siskiyou (5 mi se Bartle) (Large meadow.); Big Bear Flat 1219 Comment
  UC164255  Penstemon heterodoxus var. shastensis Geo. D. Butler 1910-6-19 1591 Siskiyou Goosenest foothills 1524 Comment
  HSC72494  Penstemon heterophyllus J. P. Smith, Steve Selva 1970-6-16 4017 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  CDA41883  Penstemon humilis subsp. humilis Vernon H. Oswald & Lowell Ahart 1998-6-11 9190 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  NY603843  Penstemon humilis var. humilis G. Schoolcraft 1985-6-18 1433 Siskiyou Mahogany Mountains 1706.9 Comment
  HSC21016  Penstemon laetus subsp. sagittatus R. C. Wunner 1965-7-13 389 Siskiyou 0.2 mi. on Dragon Head Rd. 1372 Comment
  NY604502  Penstemon laetus var. leptosepalus K. A. Vincent 1987-6-27 4437 Siskiyou Sierra Nevada, Big Bear Flat; along north side of CA 89 just east of Dead Horse Summit, ca. 5.4 miles southeast of Bartle. 1249.7 Comment
  SEINET10547609  Penstemon laetus var. sagittatus Noel H. Holmgren, James L. Reveal 1966-6-9 Holmgren 2678 Siskiyou Us 97, shasta valley, 4 mi n of weed, t42n, r4w, sec 19, in scrub in sandy soil. 1158 Comment
  UC887109  Penstemon laetus var. sagittatus A. A. Heller 1938-7-12 15257 Siskiyou on U.S. Highway #97 near the western base Deer Mountain; near western base of Deer Mountain Comment
  SBBG30585  Penstemon newberryi D. Myrick 1968-6-27 2035 Siskiyou just above Carter's Ranch, 5 mi S of Big Flat 1676 Comment
  RSA68868  Penstemon newberryi subsp. newberryi A. E. Culbertson 1943-6-24 88 Siskiyou Castle Lake, 5434', 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. Comment
  CAS-BOT-BC239331  Penstemon newberryi var. berryi R. E. Frenkel 1965-6-14 952 Siskiyou On Everitt Memorial Highway near Mount Shasta 1524 Comment
  CAS-BOT-BC239344  Penstemon newberryi var. berryi Alice Eastwood 1912-7-19 1230 Siskiyou Mount Shasta Comment
  LA28278  Penstemon newberryi var. berryi L. E. Smith; 1913-6-18 368 Siskiyou road from Sisson [Mt. Shasta] to Castle Lake Comment
  NY627305  Penstemon newberryi var. newberryi E. B. Copeland 1903-7-17 3510 Siskiyou Mt. Shasta 1828.8 Comment
  UCD77907  Penstemon newberryi var. newberryi Robert E. Preston 2001-6-23 1589 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W nw 1/4 of ne 1/4 Section 23 1950 Comment
  RSA50199  Penstemon parvulus E. K. Balls 1949-7-8 13905 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mtn. 1738 Comment
  UCD124188  Penstemon parvulus J. M. Tucker; L. K. Mann 1963-8-18 3749 Siskiyou East-facing slope, around 200 feet below summit of saddle between Marble Mountain and southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wildnerness Area. 2011 Comment
  RSA215651  Penstemon procerus subsp. brachyanthus Gilbert Muth 1969-8-6 1219 Siskiyou Boulder Peak. 2530 Comment
  NY639268  Penstemon procerus var. formosus A. A. Heller 1920-7-9 13427 Siskiyou Near the summit of Mt. Eddy Comment
  RSA211397  Penstemon roezlii William J. Ferlatte 1966-8-4 299 Siskiyou Yellow Rose Mine. 1982 Comment
  UC1212118  Penstemon roezlii F. Chisaki, G. Newcomb 1958-6-22 1160 Siskiyou between Ft. Jones and Gazelle (9.6 mi on road from Ft. Jones to Gazelle) 9.4 mi s from road to Duzel Rock; , btw Ft. Jones and Gazelle 1645 Comment
  HSC61151  Penstemon rupicola Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  POM253619  Penstemon sonomensis C. Leo Hitchcock 1939-7-6 5231 Siskiyou Peak above and N of Divide of Siskiyou Mts, Takilma Happy Camp road. 1829 Comment
  CAS-BOT-BC6569  Penstemon speciosus Amos Arthur Heller 1905-6-8 7991 Siskiyou Yreka Comment
  NY660806  Penstemon speciosus N. H. Holmgren 1966-6-9 2677 Siskiyou US 97, Shasta Valley, 4 miles north of Weed. 1158.2 Comment
  NY661011  Penstemon speciosus W. B. Cooke 1972-7-6 45458 Siskiyou Along Mud Creek Dam Road, Mt. Shasta 3500 Comment
  UC1303025  Penstemon speciosus A. A. Heller 1928-6-9 14605 Siskiyou near Yreka; near Yreka Comment
  UCR93363  Penstemon speciosus Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Modoc National Forest, Forest Road 49 (Lava Beds/Medicine Lake Road), c. 1 mi north of southern boundary of Lava Beds National Monument 1402 Comment
  CAS-BOT-BC540345  Perideridia gairdneri subsp. gairdneri Dana York 2011-9-8 3089 Siskiyou Marble Mountain Wilderness: Klamath National Forest, slopes of Kings Castle 2175 Comment
  UC875336  Perideridia howellii A. A. Heller 1915-8-24 12204 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  SEINET7929362  Perideridia oregana L. Constance, T. I. Chuang; Fei-Mei Chuang; M. Sousa S. 1966-6-15 3767 Siskiyou U.S. Highway 99W, 1.5 miles north of Edgewood turnoff.; 0 91 Comment
  RSA459100  Perideridia parishii subsp. latifolia M. B. Dunkle 9348 Siskiyou [Unspecified] 2439 Comment
  JEPS117879  Phacelia cookei unknown 1976-7-27 Siskiyou Along Military Pass Road on edge of Goosenest Pine Plantation. Comment
  NY83946  Phacelia cookei L. R. Heckard 1969-6-24 2294 Siskiyou At junction of the old Military Pass Road and U.S. Highway 97, north of Mt. Shasta 1341.1 Comment
  POM311047  Phacelia greenei Lincoln Constance, JF Davidson, J. M. Tucker 1947-5-17 s.n. Siskiyou Summit of NW spur of Scott Mountain. 1829 Comment
  SD98971  Phacelia greenei Darley F. Howe 1977-7-5 4998 Siskiyou Area north of Mt. Shasta. 1463 Comment
  RSA184649  Phacelia hastata subsp. hastata Clare B. Hardham 1965-8-20 13014 Siskiyou Cudahy Lakes Comment
  HSC13669  Phacelia hastata var. hastata R. C. Wunner 1965-6-26 283 Siskiyou Lava Beds National Monument, S side of top 1614 Comment
  UC1034592  Phacelia heterophylla subsp. virgata Douglas Barbe 1955-7-1 70 Siskiyou 0.6 mi e Etna (s side of rd); Klamath Mountains 853 Comment
  JEPS94264  Phacelia linearis Vernon H. Oswald and Lowell Ahart 1998-6-11 9182 Siskiyou ne of Weed (Shasta National Forest plantation on w side of Highway 97, 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest, Highway 97 1066 Comment
  CHSC106835  Phacelia pringlei Barbara Ertter 1990-7-14 9338 Siskiyou Wagon Creek on E side of Mt Eddy, ca 4 airmiles W of Mt Shasta City. Along creek, where several forks join before steep drop. 1828 Comment
  CAS-BOT-BC159143  Phacelia ramosissima var. ramosissima Elmer I. Applegate 1935-6-10 7489 Siskiyou South cinder slope of Caldwell Butte Comment
  UC1101559  Phalaris arundinacea Calvin McMillan and Malcolm A. Nobs 1949-6-17 802 Siskiyou Highway 97 Grass Lake Comment
  CAS-BOT-BC77412  Philadelphus lewisii Carl B. Wolf 1930-10-23 1759 Siskiyou Along Klamath River 1 mile above Hamburg 243 Comment
  CAS-BOT-BC77423  Philadelphus lewisii D. E. Breedlove 1962-6-10 3316 Siskiyou On the north bank of the Klamath River at its junction with Goff Creek, 4.5 miles west of Seiad Comment
  UC1190253  Philadelphus lewisii Ira L. Wiggins 1955-7-21 13431 Siskiyou small gulch on Rush Creek Trail 1.5 mi above Mt. View Ranch 1036 Comment
  NY186333  Philadelphus platyphyllus H. E. Brown 1897-7-1 562 Siskiyou South side of Mount Shasta 1524.0 Comment
  CAS-BOT-BC250788  Phleum alpinum Jason Swallen 1939-7-26 13750 Siskiyou Mount Shasta. Above Panther Creek Meadows Comment
  HSC96868  Phleum alpinum Gordon Leppig 1998-8-13 999 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  RSA184776  Phleum alpinum Gilbert Muth 1966-8-1 488 Siskiyou Marble Valley Horse Pasture, Marble Mountains. 1793 Comment
  CAS-BOT-BC250949  Phleum pratense John Thomas Howell 1939-8-9 15224 Siskiyou Ridge south of Marble Valley, Marble Mts. Comment
  HSC61881  Phleum pratense Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC27689  Phlox adsurgens Carl W. Mize 1972-6-8 39 Siskiyou Along main trail 1/2 mi. before Deer Lick Creek 396 Comment
  JEPS69924  Phlox adsurgens W. L. Jepson 1907-7-9 2861 Siskiyou near Putnam Peak; Klamath Range Comment
  RSA238798  Phlox adsurgens Frederick W. Oettinger 1967-7-26 208 Siskiyou Ca. 1/8 mile northeast of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC1409303  Phlox austromontana Frederick W. Oettinger 1969-7-10 964 Siskiyou s of Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1920 Comment
  SD76189  Phlox caespitosa Helen V. Witham 1969-10-9 603 Siskiyou On scree at timberline, Mt. Shasta 2400 Comment
  HSC44930  Phlox diffusa J. O. Sawyer 1978-6-21 3278 Siskiyou Marble Mtn. Wilderness Area, along trail N of Clear Lake 1951 Comment
  JEPS69942  Phlox diffusa W. L. Jepson 1940-6-27 20046 Siskiyou above head of Brewer Creek (e slope of Mt. Shasta); Mt. Shasta 2133 Comment
  UC602583  Phlox diffusa unknown 1938-7-15 11284 Siskiyou Mt. Shasta 1981 Comment
  POM65609  Phlox diffusa subsp. diffusa E. B. Copeland 1903-7-17 3511 Siskiyou Mt. Shasta 2317 Comment
  CAS-BOT-BC232823  Phlox hirsuta Alice Eastwood; John Thomas Howell 1934-4-20 1751 Siskiyou Near Yreka on Ft. Jones road Comment
  CAS-BOT-BC232827  Phlox hirsuta L. B. Kildale 1930-6-1 9830 Siskiyou Mill Creek, near Etna Mills Comment
  SEINET7042841  Phlox hirsuta A. G. Jones 1955-1 Siskiyou Comment
  UC682098  Phlox speciosa G. L. Stebbins Jr. with A. A. Beetle 1942-6-1 3267 Siskiyou 15 mi n Happy Camp (above Indian Creek) 1219 Comment
  HSC39739  Phlox speciosa subsp. occidentalis J. O. Sawyer 1970-4-3 2097 Siskiyou Along Sugar Creek 915 Comment
  POM202876  Phlox speciosa subsp. occidentalis J. T. Howell, Alice Eastwood 1934-4-20 1756 Siskiyou Near Yreka on Fort Jones Road Comment
  SEINET3145545  Phlox speciosa subsp. occidentalis G. D. Butler 1910-4-15 1175 Siskiyou Yreka Comment
  RSA614434  Phlox speciosa subsp. occidentalis K. L. Chambers, C. G. Carlbom 1962-4-21 2111 Siskiyou Highway 99, 6.2 miles south of the center of Yreka Comment
  CAS-BOT-BC60685  Phoenicaulis cheiranthoides Geo. D. Butler 1910-5-7 1296 Siskiyou Dry Hill near Yreka. Comment
  UC1017687  Phoenicaulis cheiranthoides Marion Ownbey and Ruth P. Ownbey 1938-7-19 1752 Siskiyou 2 1/2 mi. n.w. Dry Lake Lookout (summit of Siskiyou Mts.); Siskiyou Mts. Comment
  CAS-BOT-BC135020  Phoradendron bolleanum G. T. Benson 1921-12-23 s.n. Siskiyou Hilt Comment
  UCR143103  Phoradendron densum L. C. Wheeler 1934-6-26 2789 Siskiyou Siskiyou Mtns., Camp Lowe, Klamath River 765 Comment
  RSA142618  Phyllodoce empetriformis P. A. Munz 1960-8-22 14187 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
  UC1121050  Phyllodoce empetriformis H. A. Jensen 1933-10-5 361 Siskiyou Shasta National Forest, slope of Shastina Shastina; Shasta National Forest, Shastina 2590 Comment
  CAS-BOT-BC56486  Phyllodoce empetriformis Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  CAS-BOT-BC60769  Physaria occidentalis John Thomas Howell 1939-8-8 15170 Siskiyou Marble Mountains. Black Mountain. Comment
  CAS-BOT-BC60770  Physaria occidentalis John Thomas Howell 1939-8-8 15170 Siskiyou Marble Mountains. Black Mountain. Comment
  HSC77123  Physaria occidentalis K. T. Stillman 1976-7-7 172 Siskiyou Marble Mtn. Wilderness Area Comment
  CAS-BOT-BC210239  Physaria occidentalis subsp. occidentalis Dana York 2011-8-12 3040 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain 2075 Comment
  UCD116161  Physaria occidentalis subsp. occidentalis J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3756 Siskiyou Southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2133 Comment
  CAS-BOT-BC73426  Picea breweriana J. M. Tucker 1963-7-5 3698 Siskiyou Blake's Fork of South Russian Creek (a tributary of Salmon Rvr.), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mts 1615 Comment
  CAS-BOT-BC78158  Picea breweriana Elmer I. Applegate 1930-8-9 6600 Siskiyou Fruit Mountain, Siskiyou Mountains, headwaters of Applegate River Comment
  CHSC27346  Picea breweriana T. B. Devine 1976-11-23 366 Siskiyou Little Duck Lake, 1/8 mi ne. 2011 Comment
  HSC4817  Picea breweriana J. O. Sawyer 1968-6-25 309 Siskiyou NE of N Horse Range Lake 2012 Comment
  JEPS46721  Picea breweriana Rimo Bacigalupi with Reino and Aloha Alava 1958-9-3 6882 Siskiyou junction of Poker Flat forest road with Takilma-Happy Camp trans-Siskiyou Mts. road 1376 Comment
  NY29981  Picea breweriana J. T. Howell 1937-7-24 13413 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
  UC1200606  Picea breweriana Peter Kamb 1949-8-24 1477 Siskiyou n Happy Camp (s ridge of mt.); Little Grayback Mt. Comment
  UC1349380  Picea breweriana H. A. Thomas 1943-7-7 8693 Siskiyou 1645 Comment
  UC813168  Picea breweriana John Thomas Howell 1937-7-24 13413 Siskiyou Caribou Basin Salmon-Trinity Alps, Caribou Basin 1981 Comment
  NY29987  Picea breweriana W. R. Dudley 1901-8-18 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
  HSC4811  Picea engelmannii J. O. Sawyer 1968-6-18 181 Siskiyou Above S Russian Creek on W side. 1463 Comment
  CAS-BOT-BC73399  Pinus albicaulis E. G. Dudley 1901-8-18 s.n. Siskiyou High Peak, north of Jacksons Lake. 2438 Comment
  CAS-BOT-BC78321  Pinus attenuata Doris K. Kildale 1929-4-29 7480 Siskiyou Cecilville Comment
  CAS-BOT-BC78323  Pinus attenuata A. A. Heller 1921-7-23 13587 Siskiyou near McCloud at the foot of Mt. Shasta 1066 Comment
  RSA126257  Pinus attenuata I. L. Wiggins 1955-7-24 13485 Siskiyou Ridge between upper reaches of China Creek and Blind Horse Creek. 1463 Comment
  SEINET10530651  Pinus attenuata Katherine L. Morris 1973-5-25 Morris 276 Siskiyou Collected 7.0 mi E of McCloud on Hwy 89 in an area of Pinus ponderosa and Pinus attenuata. Comment
  UC338690  Pinus balfouriana unknown 1878-7-12 Siskiyou 20 mi w Mt. Shasta (s side of Mt. Eddy); Mt. Eddy Comment
  UC401405  Pinus contorta Annie M. Alexander and L. Kellogg 1911-6-20 161 Siskiyou Jackson Lake 1798 Comment
  HSC32587  Pinus contorta var. murrayana Steven Lagos 1974-5-26 92 Siskiyou Little Duck Lake and the ridge above it 2073 Comment
  CAS-BOT-BC78713  Pinus jeffreyi Gilbert Muth 1966-7-27 457 Siskiyou Marble Gap, Marble Mts. 2042 Comment
  CAS-BOT-BC73093  Pinus lambertiana William R. Dudley 1893-6-23 s.n. Siskiyou Near the top of the Castle Crags. Comment
  HSC68408  Pinus monticola Maralyn A. Renner 1980-7-4 1414 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  UCD133279  Pinus ponderosa Beecher Crampton 1960-2-1 5474 Siskiyou 5 miles SW of Macdoel. Along State Hwy. 97. Comment
  JEPS96842  Piperia unalascensis Dean W. Taylor 1988-7-8 9933 Siskiyou Gumboot Lake, headwaters South Fork Sacramento River 1950 Comment
  UC618670  Piperia unalascensis W. Bridge Cooke 1938-7-22 11309 Siskiyou Wagon Camp meadow Mount Shasta, Wagon Camp 1737 Comment
  JEPS84239  Piperia unalascensis L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6354 Siskiyou ca 7 mi nne Seiad Valley (about 0.5 mi se of Red Butte, sw of Cook and Green Pass) 1730 Comment
  POM229184  Plagiobothrys greenei L. C. Wheeler 1938-5-18 3502 Siskiyou Siskiyou Mts.: Mt. Diablo Mer. Yreka Creek 854 Comment
  UC618700  Plagiobothrys hispidus Ivan Johnston 1938-7-22 11350 Siskiyou Shasta Fir Forest, Sisson Southern TrailShasta Fir Forest Mount Shasta; , Shasta Fir Forest, Sisson Southern Trail Comment
  RSA12578  Plagiobothrys hispidus C. B. Wolf 1934-7-6 6008 Siskiyou 5.4 miles from Mt. Shasta City on Wagon Camp Rd, SW slope of Mt. Shasta 1220 Comment
  POM215851  Plagiobothrys scouleri var. hispidulus L. C. Wheeler 1934-7-3 2869 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts 1677 Comment
  UC450115  Plagiobothrys tenellus Geo. D. Butler 1910-5-6 1295 Siskiyou Yreka Comment
  UC450116  Plagiobothrys tenellus Geo. D. Butler 1910-4-10 1163 Siskiyou Yreka hills Comment
  POM72138  Plagiobothrys tenellus Geo. D. Butler 1909-4-13 654 Siskiyou Yreka. Comment
  CDA6624  Plantago lanceolata G. D. Barbe 1973-8-14 1706 Siskiyou Site of proposed quarantine station south of Mt. Shasta City, west side of Interstate 5. Comment
  RSA237557  Plantago lanceolata Frederick W. Oettinger 1968-9-6 737 Siskiyou Along English Peak - Hancock Lake trail on SE-facing gradual slope of Crapo Peak ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2188 Comment
  HSC86551  Platanthera dilatata D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, Haypress Meadows region 1372 Comment
  HSC61293  Platanthera dilatata var. leucostachys Ruby Van Deventer 1960-7-14 Siskiyou Flint Valley Comment
  UC618671  Platanthera leucostachys W. Bridge Cooke 1938-9-8 11672 Siskiyou Squaw Creek Meadows Mount Shasta 2286 Comment
  HSC21995  Platanthera sparsiflora J. O. Sawyer 1969-8-4 1892 Siskiyou Above S Sugar Lake 2043 Comment
  HSC21996  Platanthera sparsiflora J. O. Sawyer 1969-8-5 1784 Siskiyou Along Sugar Creek. 1921 Comment
  HSC61294  Platanthera sparsiflora Ruby Van Deventer 1960-7-14 Siskiyou Flint Valley Comment
  HSC86550  Platanthera stricta D. K. Imper 1987-6-6 Siskiyou 8 mi. E of Somes Bar, vicinity of Jawbone Camp 1372 Comment
  CHSC32925  Plectritis congesta James P. Smith; Advanced Plant Taxonomy Class 1973-5-5 6519 Siskiyou Scott Bar along the Scott River. Comment
  HSC68317  Plectritis congesta J. P. Smith 1973-5-5 6519 Siskiyou Scott Bar along the Scott River Comment
  UC164413  Plectritis macrocera Geo. D. Butler 1909-3-27 664 Siskiyou near Oro Fino Comment
  UC573575  Plectritis macrocera M. H. Mitchell 1936-5-8 2 Siskiyou 2 mi e of Schonchin Butte 1371 Comment
  SBBG26969  Plectritis macrocera L. C. Wheeler 1935-6-1 3537 Siskiyou Yreka Crk, Siskiyou Mtns 853 Comment
  UCR266715  Poa bolanderi A. A. Heller 1914-8-28 11736 Siskiyou east side of Mt. Eddy 2439 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
  SEINET7096765 Image available Poa bulbosa A. G. Vestal 1955-5-17 s.n. Siskiyou Scott Valley. 0.8 miles north of Etna on Route 3. NAD27 41? deg. 28' 13ao, -122?_ 53' 51ao (converted to WGS84 decimal degrees) UTM Zone 10, 508563mE, 4590750mN. Comment
  UCD90663  Poa bulbosa Morris Halperin 1930-5-17 303 Siskiyou Eureka. 800 Comment
  UCD90664  Poa bulbosa Morris Halperin 1930-5-17 304 Siskiyou Eureka. Schumeyer Ranch (Geo. Gray.) Comment
  RSA0030867  Poa bulbosa Louis C. Wheeler 1935-6-1 3536 Siskiyou Yreka Creek, Siskiyou Mts., Mt. Diablo Meridian 853 Comment
  HSC31053  Poa cusickii subsp. epilis Frederick W. Oettinger 1967-8-17 274 Siskiyou High Lakes Basins in Marble Mountain Wilderness Area, Crapo Peak Ridge. 2195 Comment
  JEPS109562  Poa cusickii subsp. purpurascens Dean W. Taylor 2002-7-21 18274 Siskiyou The Eddys, cirque at headwaters of Parks Creek above Caldwell Lakes 2316 Comment
  CAS-BOT-BC256014  Poa pratensis Gilbert Muth 1966-7-19 428 Siskiyou Marble Gap Trail, along 1st bluff, Marble Mts. 1828 Comment
  RSA602816  Poa pratensis L. C. Wheeler 1935-6-4 3549 Siskiyou Etna, Scott Valley 899 Comment
  HSC103040  Poa pratensis subsp. pratensis J. P. Smith 2014-6-7 13898 Siskiyou Along State Route 3 at its junction with the East Fork of the Scott River 994 Comment
  RSA233672  Poa pringlei R. F. Thorne, Frederick W. Oettinger 1969-8-10 38976 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  UCD91768  Poa pringlei A. H. Murphy 1959-7-21 59 A Siskiyou Shasta National Forest. Deadfall Lake area. 2225 Comment
  UCD91773  Poa pringlei A. H. Murphy 1958-8-6 58 L Siskiyou Klamath National Forest. Second Valley Marble Mountains. 2255 Comment
  SEINET207114 Image available Poa pringlei Rimo Bacigalupi 1959-7-1 7197 Siskiyou At edge of overhanging lava rock near head of ski lift above Mt. Shasta ski Bowl Lodge; on moriane between ice and snow fields; southwestern slopes of Mt. Sasta; elev. 9300 Comment
  CAS-BOT-BC237709  Poa secunda Elmer I. Applegate 1935-6-5 9341 Siskiyou Captain Jack's Ice Cave, Lava Beds National Monument Comment
  CAS-BOT-BC237718  Poa secunda subsp. juncifolia Alice Eastwood 1921-7-24 10768 Siskiyou Castle Lake Comment
  HSC102706  Poa secunda subsp. juncifolia J. P. Smith 2013-6-17 13739 Siskiyou Off Tennant Road at a large, open pit. 1417 Comment
  CAS-BOT-BC243214  Poa secunda subsp. secunda John Thomas Howell 1939-8-2 14912 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  CAS-BOT-BC243239  Poa secunda subsp. secunda John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53435 Siskiyou Along E Fork Scott River 2 miles E of Callahan on road to Gazelle 990 Comment
  HSC34000  Poa secunda subsp. secunda J. P. Smith 1974-5-25 7479 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  UC1055818  Poa secunda subsp. secunda Frank W. Gould 1940-5-15 1234 Siskiyou Lower Bull Meadow Goosenest Mt Comment
  JEPS84249  Polemonium californicum L. R. Heckard with J. Hickman et al. 1986-7-17 6517 Siskiyou n slope of Condrey Mt. 1960 Comment
  UCD118556  Polemonium californicum J. M. Tucker 1963-7-7 3725 Siskiyou In vicinity of Paradise Lake, at the base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1981 Comment
  HSC90759  Polemonium eddyense Jennifer Whipple 1976-6-11 960 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River Comment
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Jul 6 2020
  HSC19295  Polemonium pulcherrimum J. O. Sawyer 1969-7-7 1077 Siskiyou S facing ridge above Big Duck Lake 2226 Comment
  HSC19296  Polemonium pulcherrimum J. O. Sawyer 1969-7-9 1241 Siskiyou W facing slope above Bingham Lake 2317 Comment
  UC1025129  Polemonium pulcherrimum subsp. pulcherrimum Douglas Barbe 1955-8-1 325 Siskiyou summit of Mt. Bolivar Klamath Mountains, Scott Mtns, summit Mt. Bolivar (Scott Mtns., Klamath Mountains) 2468 Comment
  UC609338  Polemonium pulcherrimum subsp. pulcherrimum Eleanor Burks Hart 1938-8-18 935 Siskiyou on Boulder Peak 2529 Comment
  JEPS60240  Polyctenium fremontii L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2300 Siskiyou on U.S. Highway 97 0.8 mi s Bray junction; Murphy Wells, s of Bray junction 1493 Comment
  JEPS83036  Polyctenium fremontii L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2300 Siskiyou U.S. Highway 97 0.8 mi s Bray junction (Murphy Wells); , s of Bray junction 1493 Comment
  JEPS51312  Polygonum aviculare subsp. aviculare W. L. Jepson 1894-7 Siskiyou Sisson Comment
  UC375154  Polygonum californicum Geo. D. Butler 1908-7-23 192 Siskiyou dry land near Yreka Comment
  RSA50151  Polygonum davisiae E. K. Balls 1949-7-9 13946 Siskiyou Salmon Mtns. top of pass on rd from Etna to Sawyer's Bar. 1479 Comment
  CAS-BOT-BC414584  Polygonum douglasii Wm. Bridge Cooke 1941-9-5 16266 Siskiyou At MacBride Springs, Mt. Shasta Comment
  JEPS50558  Polygonum douglasii W. L. Jepson 1937-7-23 18456 Siskiyou near Klamath River Bridge (n of Yreka) Comment
  OBI72046  Polygonum douglasii Barbara Ertter 1990-7-14 9310 Siskiyou E side Mt. Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet ner end of FR 41N53 ca 1 mi N of morgan Meadows 1676 Comment
  RSA113746  Polygonum douglasii A. H. Murphy 1956-8-14 s.n. Siskiyou Little Mill Creek Meadows. 2012 Comment
  UC850102  Polygonum douglasii subsp. douglasii A. A. Heller 1915-7-18 12121 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  UC375153  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 1909-5-25 719 Siskiyou hill near Yreka Comment
  UC375323  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 1909-8-6 184 Siskiyou summit s Marble Valley Comment
  UCR37540  Polygonum douglasii subsp. spergulariiforme L. P. Janeway 1983-7-7 389 Siskiyou Just NW behind West Branch Guard Sta. 701 Comment
  RSA0005197  Polygonum greenei Edward L. Greene 1876-1 s.n. Siskiyou Yreka Comment
  UC1408829  Polygonum minimum Frederick W. Oettinger 1968-8-11 472 Siskiyou Tom Taylor Cabin Salmon Mountains, Marble Mountain Wilderness Area (ne side of creek bed, w Siskiyou Co.) 2042 Comment
  CAS-BOT-BC418587  Polygonum minimum Alice Eastwood 1912-8-22 1821 Siskiyou Trail from Morgans Springs to Lassen Butte Comment
  JEPS78103  Polygonum newberryi G. W. Zamzow 1972-7-19 92 Siskiyou at timberline 200 m w end of road to Mt. Shasta Summit Ski area 2743 Comment
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May 22 2011
  UC164408  Polygonum phytolaccifolium Geo. D. Butler 1910-7-8 1674 Siskiyou Upper Campbell Lake 1676 Comment
  CHSC86639  Polygonum polygaloides subsp. confertiflorum Jenny Marr 1993-7-1 22 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS77491  Polygonum polygaloides subsp. confertiflorum Susan Horner 1978-6-30 414 a Siskiyou about 4 mi sse of Hambone (road between 40N05 and Sand Flat Well, about 22 air mi ene of McCloud); ; 40N3E30 Comment
  CAS-BOT-BC420071  Polygonum polygaloides subsp. kelloggii Louis C. Wheeler 1934-7-3 2873 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1676 Comment
  SBBG18316  Polygonum sawatchense C. B. Hardham 1961-7-2 8063 Siskiyou Mill Crk 1219 Comment
  UC1540245  Polygonum sawatchense subsp. oblivium Dean W. Taylor 1987-6-26 9075 Siskiyou 2 mi se Medicine Lake; Paynes Springs 1996 Comment
  CAS-BOT-BC109284  Polygonum shastense Alice Eastwood 1912-9-1 2077 Siskiyou Mount Shasta. Comment
  SEINET3404066 Image available Polygonum spergulariiforme Rimo Bacigalupi, Lincoln Constance 1959-6-17 7160 Siskiyou 4 mi NW of Weed, along US Hwy 99 Comment
  SEINET193229 Image available Polypodium glycyrrhiza Lincoln Constance, Reed C. Rollins 1942-5-13 2908 Siskiyou Klamath River 4 miles east of Seiad 457 Comment
  CAS-BOT-BC237391  Polypogon monspeliensis L. E. Smith 1914-8-1 s.n. Siskiyou Yreka Comment
  RSA715631  Polypogon monspeliensis L. Ahart, John Dittes 2005-6-9 12003 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  UC1023835  Polypogon monspeliensis Douglas Barbe 1955-7-4 88 Siskiyou on Parrot Mill Rd 10 mi s Etna; Klamath Mountains 975 Comment
  HSC19289  Polystichum imbricans J. O. Sawyer 1969-7-10 1295 Siskiyou Ridges E of Russian Peak 2256 Comment
  HSC25462  Polystichum imbricans J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5658 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  HSC79149  Polystichum imbricans C. J. Thomas 1983-10-1 100 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 Comment
  POM120354  Polystichum imbricans Geo D. Butler 1910-7-9 1693 Siskiyou Shackleford Creek 1220 Comment
  RSA237504  Polystichum imbricans Frederick W. Oettinger 1969-7-29 1106 Siskiyou On the base of the southern facing slope just north of Uncle's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  UC1400748  Polystichum imbricans subsp. imbricans Alan R. Smith 1972-5-20 571 Siskiyou along rd. from Callahan to Somes Bar (between Cecilville and Forks of Salmon) Comment
  UC812653  Polystichum imbricans subsp. imbricans W. Bridge Cooke 1939-7-14 13682 Siskiyou Sisson Southern Trail Mt Shasta Comment
  HSC34350  Polystichum lemmonii J. P. Smith, J. O. Sawyer 1973-8-14 7303 Siskiyou On trail from Campbell Lake to Cliff Lake 1829 Comment
  SEINET10754709  Polystichum lemmonii Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 887 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway). T41N R6W near sections 28 and 33. 1983 Comment
  UC1299762  Polystichum lemmonii Freed W. Hoffman 1951-7-16 4045 Siskiyou Packers' Valley North Coast Ranges, Marble Mts., Packers' Valley Comment
  CAS-BOT-BC72392  Polystichum lemmonii Louis C. Wheeler 1934-8-13 3114 Siskiyou Klamath National Forest, E. Fk. Horse Creek 1981 Comment
  UC922427  Polystichum lonchitis Annie M. Alexander and Louise Kellogg 1949-7-24 5858 Siskiyou trail to Bear Lake Paradise Lake; Marble Mts., Paradise Lake 1920 Comment
  HSC19183  Polystichum munitum J. O. Sawyer 1968-9-13 721 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  HSC19184  Polystichum munitum J. O. Sawyer 1968-7-2 367 Siskiyou Upper drainage of Joe Creek 1677 Comment
  CDA42711  Polystichum scopulinum T. C. Fuller, D. H. Shaw 1974-9-24 20042 Siskiyou Summit of the Siskiyou Mountains above Pacific Crest Trail, summit of the Siskiyou Mountains, east of White Mountain. 0 Comment
  CAS-BOT-BC102763  Populus tremuloides W. B. C. 1938-8-23 11577 Siskiyou Top of the Shastina Lava Park on the north side of Shastina 2438 Comment
  UC845952  Populus trichocarpa W. Bridge Cooke 1942-7-2 16363 Siskiyou bed of Mud Creek Canyon above the Dam Mount Shasta; , bed of Mud Creek Canyon Comment
  CAS-BOT-BC454097  Potamogeton pusillus subsp. tenuissimus Frederick W. Oettinger 1969-8-22 1494 Siskiyou Salmon Mountains, western Siskiyou County. The High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. In Horse's Hole near Horse Range Lake Comment
  UC2026494  Potamogeton richardsonii Louis C. Wheeler 1958-8-21 7414 Siskiyou Siskiyou Mountains: Lily Pad Lake, head West Fork Seiad Creek. Comment
  SEINET10501887  Potamogeton richardsonii Katherine L. Morris, Melvin L. Conrad; David B. Dunn 1973-6-2 Morris 343 Siskiyou Found at the junction of Shasta and Klamath Rivers on Hwy 263. Comment
  JEPS94254  Potentilla anserina subsp. anserina Vernon H. Oswald and Lowell Ahart 1998-6-11 9212 Siskiyou Old State Highway 0.5 mi w of Bray (10 air mi e of Grass Lake located on Highway 97, 23 air mi ne of Weed); Old State Highway 1414 Comment
  CHSC96708  Potentilla flabellifolia Gordon Leppig; T. LaBanca, L. Arguello 1997-7-27 470 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen. Subalpine fen in cirque west of Little Duck Lake. NAD 27 UTM Zone 10, 503813E, 4572466N. 2200 Comment
  HSC18938  Potentilla flabellifolia J. O. Sawyer 1969-7-24 1475 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  UC618832  Potentilla flabellifolia W. Bridge Cooke 1938-9-8 11626 Siskiyou Springs in the South Gate , Springs in the South Gate (Mount Shasta) Comment
  RSA134220  Potentilla glandulosa var. nevadensis Peter H. Raven 1956-9-4 10401 Siskiyou S side of Mt. Eddy 2561 Comment
  HSC64756  Potentilla gracilis var. fastigiata J. P. Smith, Steve Selva 1970-7-18 4492 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  CAS-BOT-BC540572  Potentilla gracilis var. fastigiata Alice Eastwood 1921-7-24 10778 Siskiyou Castle Lake Comment
  SEINET13710170  Potentilla gracilis var. fastigiata Lowell William Ahart, Lowell William Ahart 1998-1 9351 Siskiyou NE of Weed and S of Macdoel along Old State Hwy W of Bray (T44N, R1W, sec 20, SE 1/4) 4650 Ft. 1417 Comment
  CAS-BOT-BC64622  Primula suffrutescens John Thomas Howell 1937-7-25 13511 Siskiyou Summit between Caribou Basin and Start Fork of Trinity River. 2225 Comment
  CAS-BOT-BC516387  Prosartes hookeri Doris K. Kildale 1929-4-27 7572 Siskiyou Cecilville, South Fork Salmon River Comment
  UCD77960  Prunella vulgaris var. lanceolata Robert E. Preston 2001-7-20 1685 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake. 1712 Comment
  CAS-BOT-BC158204  Prunus emarginata D. E. Breedlove 1962-6-11 3368 Siskiyou Along State Hwy. 89, 8.0 miles east of McCloud; Cascade Mts. 1127 Comment
  CAS-BOT-BC158210  Prunus emarginata L. R. Abrams 1922-8-7 9919 Siskiyou Shasta Springs Comment
  CAS-BOT-BC158238  Prunus emarginata Elmer I. Applegate 1895-5-30 154 Siskiyou Sisson Comment
  OBI36627  Prunus emarginata David J. Keil 1983-7-3 17382 Siskiyou Sloes of Mt Shasta along Memorial hwy Comment
  RSA3387  Prunus emarginata Carl B. Wolf 1931-9-1 1260 Siskiyou 0.25 miles North of entrance to Shasta Springs 915 Comment
  UC454977  Prunus emarginata I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat (Mount Bradley); Mount Bradley Comment
  UCD77961  Prunus emarginata Robert E. Preston 2001-6-30 1652 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W nw 1/4 of se 1/4 Section 14 1889 Comment
  POM88254  Prunus subcordata Geo. D. Butler 1909-4-14 644 Siskiyou Humbug divide. Comment
  CAS-BOT-BC151232  Prunus virginiana var. demissa Gilbert Muth 1966-7-17 411 Siskiyou Marble, south of camp, Marble Mts. 1792 Comment
  HSC19190  Prunus virginiana var. demissa J. O. Sawyer 1968-6-18 216 Siskiyou Headwaters of Blake's Fork of S Russian Creek. 1738 Comment
  HSC19191  Prunus virginiana var. demissa J. O. Sawyer 1968-7-23 607 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  HSC24682  Prunus virginiana var. demissa J. O. Sawyer 1969-8-1 1662 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  JEPS24617  Pseudognaphalium thermale Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6770 Siskiyou in the 1.5 mi stretch between Shasta Retreat (n outskirts of Dunsmiur) ro Mossbrae Falls and Shasta Springs; Sacramento River Canyon, S. P.(Shasta Route) railwayi 731 Comment
  SBBG21935  Pseudognaphalium thermale D. Myrick 1964-7-25 972 Siskiyou Panther Meadows below Ski Bowl Lodge, Mt Shasta 2346 Comment
  UC1409285  Pseudognaphalium thermale Frederick W. Oettinger 1969-8-19 1449 Siskiyou ridge from Arrow Peak to King David Peak (English Lake Basin, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English L 1935 Comment
  HSC81663  Pseudostellaria jamesiana Thomas W. Nelson, Jane P. Nelson 1980-7-17 6079 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  UC165990  Pseudostellaria jamesiana Geo. D. Butler 1910-6-4 1493 Siskiyou Shackleford Creek Comment
  RSA24182  Pseudotsuga menziesii C. B. Wolf 1940-12-11 9795 Siskiyou Siskiyou County: Siskiyou Mts, 8 miles above oak Knoll ranger station on road to dry lake lookout. 1524 Comment
  CAS-BOT-BC361905  Psilocarphus tenellus Louis C. Wheeler 1934-6-2 2605 Siskiyou Klamath River at Cherry Flat, Siskiyou Mts. 518 Comment
  RSA238020  Pteridium aquilinum var. pubescens Frederick W. Oettinger 1968-8-14 513 Siskiyou 0.1 mile east of Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  JEPS107958  Puccinellia lemmonii Lowell Ahart, John Dittes 2005-6-9 12006 Siskiyou Meadow area along a small drainage, 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
  UCD22429  Purshia tridentata Brian Vanden Heuvel 2003-4-10 190 Siskiyou Shasta National Forest. 1.6 miles east of McCloud on CA 89, on south side of road. Comment
  CAS-BOT-BC147912  Purshia tridentata var. tridentata D. E. Breedlove 1962-6-11 3360 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Range 1127 Comment
  HSC42218  Purshia tridentata var. tridentata S. Saufferer 1973-5-25 230 Siskiyou About 2 mi. NE of Weed, along Hwy. 97 Comment
  JEPS44605  Purshia tridentata var. tridentata W. L. Jepson 1940-6-23 20013 Siskiyou n of Mt. Shasta (Andesite Station) 975 Comment
  UC1128548  Purshia tridentata var. tridentata H. A. Jensen 1933-8-7 341 Siskiyou adjoining Black Butte; Shasta National Forest, Dunsmuir Quad. 1188 Comment
  UCD113276  Purshia tridentata var. tridentata K. M. Meyer; A. Townesmith 2007-8-2 184 Siskiyou Shasta-Trinity National Forest. 0.1 mile on Forest Service Road 43N21, 12.5 miles on Highway 97, E side of road. 1218 Comment
  CAS-BOT-BC460857  Pyrola aphylla David D. Keck 1938-8-6 4805 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., on road from Waldo to Happy Camp Comment
  CAS-BOT-BC460864  Pyrola aphylla Ira L. Wiggins 1955-7-21 13442 Siskiyou Rush Creek Trail, 2 mi. above Mt. View Ranch 1097 Comment
  SEINET8404856  Pyrola aphylla L. E. Detling 1947-6-3 6047 Siskiyou Happy Camp, Klamath Nat'l. Forest. 335 Comment
  HSC69042  Pyrola dentata Maralyn A. Renner 1980-8-7 2351 Siskiyou Klamath National Forest, ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  HSC69744  Pyrola dentata Maralyn A. Renner 1980-6-26 1270 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  UC2062587  Pyrola dentata Belinda Lo with Alex Randolph-Lowe 2017-8-25 361 Siskiyou SISKIYOU COUNTY: Ash Creek Butte, southwest of Surprise Lake. Comment
  CAS-BOT-BC462804  Pyrola dentata L. E. Smith no date on label s.n. Siskiyou North side of Mt. Shasta: Weed Comment
  CAS-BOT-BC466135  Pyrola picta Doris K. Kildale 1928-8-20 6601 Siskiyou Lily Pad Lake near Hancock Lookout on trail to Marble Mt. Comment
  CAS-BOT-BC466136  Pyrola picta Doris K. Kildale 1929-8-24 8832 Siskiyou Preston Peak 2133 Comment
  SJSU6519  Pyrola picta R. W. Trivelpiece 1972-6-28 142 Siskiyou Red Hill, 10 mi W of Klamath R, c. 15 mi SW of Happy Camp 1645 Comment
  HSC2327  Pyrrocoma racemosa Geo. D. Butler 1910-8-21 1843 Siskiyou Shasta Valley Comment
  JEPS11907  Pyrrocoma racemosa var. pinetorum Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-13 4797 Siskiyou 2.5 mi s and above junction with Gazelle road (along road from Callahan to Carrville on grade over Scott Mt.); Scott Mt. 1371 Comment
  UC829439  Pyrrocoma racemosa var. racemosa A. A. Heller 1917-9-7 12980 Siskiyou 5 mi s Gazelle; Shasta Valley 914 Comment
  CAS-BOT-BC45745  Quercus Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou West side of Gumboot Lake, Trinity Mts. 1828 Comment
  HSC73453  Quercus chrysolepis Grunert 36 Siskiyou Rd. 41N41 8 mi from Hwy. 3 1463 Comment
  POM267241  Quercus chrysolepis Marion Ownbey, Fred G. Meyer 1940-7-6 2201 Siskiyou Along Cayenne Ridge, Marble Mountain. Comment
  UCD40475  Quercus chrysolepis Rodney Gale Myatt 1971-9-22 1220 -5 Siskiyou Next to Klamath River, past Horse Creek. 500 Comment
  UCD82870  Quercus chrysolepis Rodney Gale Myatt 1971-9-22 1192 -9 Siskiyou Along Salmon River, southeast of Somes Bar, and northeast of Hoopa Reservation. 335 Comment
  UCD82871  Quercus chrysolepis Rodney Gale Myatt 1971-9-22 1192 -13 Siskiyou Along Salmon River, southeast of Somes Bar, and northeast of Hoopa Reservation. 335 Comment
  CAS-BOT-BC94646  Quercus garryana Oliver V. Matthews 1939-7-3 20 Siskiyou Sullivan Mine Grove-Cook & Green Region 1219 Comment
  CDA21914  Quercus garryana E. Hale 1983-10-24 Siskiyou Guy s Gulch near Yreka. Comment
  HSC29147  Quercus garryana var. breweri Frederick W. Oettinger 1968-8-18 574 Siskiyou Marble Mtn. Wilderness Area, NNW of Tobacco Lake and W of W cove of Hancock Lake 1921 Comment
  UCR37560  Quercus garryana var. garryana K. B. Barrows, C. G. Phillips, L. Cole, S. A. Haultain 1984-5-27 108 Siskiyou Scott River Road, 10.6 mi. north of Indian Scotty Campground 610 Comment
  POM166670  Quercus kelloggii E. B. Copeland 1903-7-14 3521 Siskiyou Klamathon. Comment
  RSA623530  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
  CAS-BOT-BC104343  Quercus sadleriana Marion Ownbey; Fred G. Meyer 1940-7-8 2230 Siskiyou Near summit of Siskiyou Mountains, 20 miles N of Happy Camp Comment
  CDA15568  Quercus sadleriana G. F. Hrusa 1998-7-5 14676 Siskiyou Siskiyou Mountains; S side below summit on Happy Camp-O'Brien Rd. on Ca. side of State Boundary. Comment
  HSC67669  Quercus sadleriana John Palmer 1980-7-24 589 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  JEPS27149  Quercus sadleriana Lauramay T. Dempster 1961-7-1 1831 Siskiyou s slope White Mountain Comment
  POM106235  Quercus sadleriana Geo. D. Butler 1908-8-4 234 Siskiyou West fork of Wooly Creek. Comment
  RSA12503  Quercus sadleriana Carl B. Wolf 1934-7-4 5933 Siskiyou Horse Creek road to Dry Lake Lookout, Siskiyou Mountains. 13 miles from Horse Creek Bridge on Klamath River. 1372 Comment
  UCD83687  Quercus sadleriana J. M. Tucker 1963-8-20 3788 Siskiyou Marble Mountain Wilderness Area, trail from Marble Valley Guard Station to Lover's Camp, along Canyon Creek, ca. 2 mi up the canyon from Lover's Camp. 1432 Comment
  CAS-BOT-BC104622  Quercus vacciniifolia Doris K. Kildale 1929-8-24 8835 Siskiyou Preston Peak 2225 Comment
  CAS-BOT-BC104633  Quercus vacciniifolia John M. Tucker 1948-8-3 1776 Siskiyou 6.77 mi (bi road) below the summit of Happy Camp-Waldo road Comment
  CAS-BOT-BC104637  Quercus vacciniifolia W. R. Dudley 1899-8-22 s.n. Siskiyou Near Spring - Craggy Mt. Comment
  RSA237792  Quercus vacciniifolia Frederick W. Oettinger 1969-8-18 1436 Siskiyou Southeast of and over the ridge from Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UCD47446  Quercus vacciniifolia John M. Tucker 1948-8-3 1776 Siskiyou California, Siskiyou Co.; 6.7 mi. (by road) below the summit of Happy Camp - Waldo road; Comment
  UCD47465  Quercus vacciniifolia D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-13 s.n. Siskiyou Callahan-Cecilville. Cecilville Road. Klamath National Forest. 1130 Comment
  UCD47466  Quercus vacciniifolia Beecher Crampton 1956-8-21 3847 Siskiyou Canyon of the Sacramento River just above the junction of the North Fork with Middle and South Forks, southwest of Mt. Shasta City, Siskiyou County. 1066 Comment
  SEINET5338249  Ranunculus alismifolius G. Butler 1910-5-10 1322 Siskiyou Gosenest Mt., Bulls Meadows. 1676 Comment
  UCR37849  Ranunculus eschscholtzii var. suksdorfii K. T. Stillman 1976-6-25 81 A Siskiyou Marble Mountain Wilderness Area. On north side of Elk Valley 1799 Comment
  JEPS2826 Image available Ranunculus occidentalis Harley P. Chandler Jun 1901 1691 Siskiyou near Marble Mountain; North Coast Ranges; Near Marble Mt., Siskiyou Co. Comment
  UC827920  Ranunculus occidentalis A. A. Heller 1915-7-18 12118 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  UC1025102  Ranunculus uncinatus Leo Whitney 1934-6-24 1851 Siskiyou near Tennant; Antelope Creek 1463 Comment
  SD88528  Ranunculus uncinatus Darley F. Howe 1972-7-4 Siskiyou Youngs Valley 1493 Comment
  RSA47792  Ranunculus uncinatus var. parviflorus Roxana S. Ferris, Laura Lorraine 1948-6-12 11746 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  POM210877  Rhamnus purshiana Louis C. Wheeler 1934-7-17 2915 Siskiyou Siskiyou Mts, Cottonwood Creek 945 Comment
  RSA7809  Rhamnus purshiana Doris K. Kildale 1928-8-18 6435 Siskiyou N Fork Salmon River at Finley Camp. Comment
  HSC100078  Rhodiola integrifolia subsp. integrifolia J. O. Sawyer 1969-7-7 1079 Siskiyou NE facing slope above Big Duck Lake 2146 Comment
  SFV2668  Rhododendron columbianum J. M. Tucker 1963-7-5 3704 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
  CHSC86649  Rhododendron neoglandulosum Jenny Marr 1993-7-1 32 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC200669  Rhus aromatica H. E. Brown 1897-7-15 595 Siskiyou On the South side of Mt. Shasta 3048 Comment
  CHSC71272  Rhus aromatica Vernon H. Oswald; Lowell Ahart 1998-6-11 9173 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed: 1066 Comment
  RSA138230  Rhus trilobata var. quinata P. C. Everett, E. K. Balls 1959-10-24 23945 Siskiyou On dry flats in River Valley. 7 mi. SW from Red Bank F.S. Camp on road from Sawyers Bar to Somesbar. Comment
  UCSB24057  Ribes aureum Favero, R. 1968-3-26 Siskiyou 12 miles east of Montague; in Little Shasta area; Cascade Mountains 792 Comment
  RSA47644  Ribes binominatum Roxana S. Ferris, Laura Lorraine 1948-6-12 11769 Siskiyou About 6 miles from Etna on forks of Salmon Road. 1707 Comment
  CAS-BOT-BC168869  Ribes inerme var. klamathense Ellsworth Bethel 1923-5-21 s.n. Siskiyou Sisson Comment
  CAS-BOT-BC173287  Ribes lacustre Doris K. Kildale 1928-7-4 5476 Siskiyou 3 miles from Summit - west - on Sawyers Bar - Etna Mills Road Comment
  HSC98167  Ribes lacustre J. O. Sawyer 1969-7-9 1235 Siskiyou N facing slope S of S Sugar Lake 2149 Comment
  JEPS86078  Ribes lacustre Wayne Roderick 1966-6-26 Siskiyou Cook and Green Pass 1371 Comment
  RSA0021101  Ribes lacustre Gilbert Muth 1966-7-29 458 Siskiyou Marble Valley, by waterfall, Marble Mountains. 1796 Comment
  HSC32159  Ribes lobbii J. O. Sawyer 1970-6-17 2202 Siskiyou 1768 Comment
  HSC44979  Ribes lobbii J. O. Sawyer 1978-6-21 3282 Siskiyou Marble Mtn. Wilderness Area, along trail N of Clear Lake 1951 Comment
  UC165265  Ribes lobbii Geo. D. Butler 1910-5-30 1442 Siskiyou Humbug Creek Comment
  UC165266  Ribes lobbii Geo. D. Butler 1909-5-31 793 Siskiyou Humbug Creek Comment
  CAS-BOT-BC212491  Ribes marshallii David D. Keck 1938-8-6 4807 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., 4 mi. S. of Oregon line, on road from Waldo to Happy Camp. 1554 Comment
  JEPS128460  Ribes montigenum Julie Kierstead Nelson with Martin Lenz 2015-6-18 2015 -061 Siskiyou Headwaters of West Fork Parks Creek, 2 miles NNE of China Mountain; 7 miles W of town of Weed. Comment
  CAS-BOT-BC217882  Ribes nevadense Lester Rowntree 1937-7-23 s.n. Siskiyou Caribou Lake Comment
  CAS-BOT-BC219261  Ribes nevadense Wm. F. Herrin 1918-5-15 s.n. Siskiyou Shasta Springs Comment
  RSA0022721  Ribes nevadense var. glaucescens Carl B. Wolf 1934-7-6 5990 Siskiyou 3 mi. from Mt. Shasta City on Wagon Camp Rd. SW slopes of Mt. Shasta. 1220 Comment
  UC857963  Ribes roezlii A. A. Heller 1915-7-15 11970 Siskiyou Mt. Eddy 2072 Comment
  UCD39980  Ribes roezlii Rodney Gale Myatt 1971-9-22 1204 Siskiyou Along Salmon River, southeast of Somes Bar, and northeast of Hoopa Reservation. 426 Comment
  HSC93044  Ribes roezlii var. cruentum Jennifer Whipple 1976-9-3 1784 Siskiyou W facing slope of the ridge between Durney Lake and Little Crater Lake 2195 Comment
  CAS-BOT-BC173905  Ribes velutinum Roxana S. Ferris; Laura Lorraine 1948-6-12 11839 Siskiyou Gazelle Mountain range, road between Callahan and Gazelle 1499 Comment
  CAS-BOT-BC173906  Ribes velutinum Elmer I. Applegate 1898-5-15 2126 Siskiyou Klamath River. Between Shovel Creek & Fall Creek 853 Comment
  HSC65652  Ribes velutinum J. P. Smith, J. O. Sawyer 1972-5-7 5287 Siskiyou 2.3 mi. W of Lava Beds National Monument, on road to Mtn. Dome. 1220 Comment
  SEINET182273 Image available Ribes velutinum L. C. Wheeler 1935-5-4 3467 Siskiyou Siskiyou Mountains; Greenhorn Creek 853 Comment
  CAS-BOT-BC168793  Ribes viscosissimum Doris K. Kildale 1928-7-2 5344 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  HSC23472  Ribes viscosissimum J. O. Sawyer 1968-6-25 293 Siskiyou NE of N Horse Range Lake 2012 Comment
  JEPS49200  Ribes viscosissimum Annie M. Alexander and Louise Kellogg 1911-6-15 148 Siskiyou Jackson Lake Comment
  RSA0020920  Ribes viscosissimum Frederick W. Oettinger 1969-7-9 934 Siskiyou Northwest of Upper English Lake. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  CAS-BOT-BC362935  Rigiopappus leptocladus Alice Eastwood 1912-7-20 1261 Siskiyou Hornbrook Comment
  CHSC111305  Robinia hispida Nick Otting; Dick Brainerd 2012-6-5 3375 Siskiyou Weed, Old Highway 99 at south end of town. Habitat: Disturbed soils in opening in mixed conifer forest. 1120 Comment
  JEPS1247  Romanzoffia californica Joseph P. Tracy 1939-4-29 16269 Siskiyou Somes Bar 182 Comment
  JEPS84104  Rorippa curvisiliqua L. R. Heckard with J. Hickman et al. 1986-7-17 6513 Siskiyou n slope Condrey Mt.; n slope Condrey Mt. 1960 Comment
  CHSC33835  Rorippa curvisiliqua var. occidentalis R. E. Preston 1981-5-2 59 Siskiyou On bank of Camp Creek at confluence with Irongate Reservoir; ca. 32 km ne of Yreka. 702 Comment
  RSA435942  Rorippa palustris subsp. occidentalis L. C. Wheeler 1934-9-15 3260 Siskiyou Walker, Klamath River, Siskiyou Mts. (Mt. Diablo Mer.) 518 Comment
  CAS-BOT-BC147461  Rosa californica Don. Reinoehl 1925-4-1 s.n. Siskiyou Dunsmuir Comment
  CAS-BOT-BC6005  Rosa pisocarpa Alice Eastwood 1912-9-4 2100 Siskiyou Sisson Comment
  HSC64755  Rosa pisocarpa J. P. Smith, Steve Selva 1970-7-17 4475 Siskiyou Below Kangaroo Lake. 1890 Comment
  UC329938  Rosa pisocarpa unknown Sept. 1889 Siskiyou Sisson's Meadows Comment
  SEINET10450115 Image available Rosa pisocarpa Edwin B. Copel 1903-9-8 Copeland 3875 Siskiyou Mt. Eddy. 1463 Comment
  CAS-BOT-BC148191  Rosa rubiginosa Carl B. Wolf 1927-8-27 1112 Siskiyou On the Klamath River, Happy Camp Comment
  HSC32289  Rosa rubiginosa J. O. Sawyer 1970-6-15 2200 Siskiyou Slopes N of Sugar Creek 976 Comment
  SD98960  Rosa spithamea D. F. Howe 1977-7-1 Siskiyou Scott Mt. Creek 1096 Comment
  UC375392  Rubus glaucifolius Geo. D. Butler 1908-7-12 1042 Siskiyou Humbug Mountain Comment
  HSC60413  Rubus laciniatus J. P. Smith, Steve Selva 1970-6-15 3901 Siskiyou 10 mi. NW of Forks of Salmon Comment
  HSC61949  Rubus lasiococcus Ruby Van Deventer 17 Jul [year missing] Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC147986  Rubus leucodermis Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  HSC68414  Rubus ursinus Maralyn A. Renner 1980-7-4 1405 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  JEPS44763  Rubus ursinus Geo. D. Butler 1908-7-4 287 Siskiyou Shasta River below Yreka; Shasta River below Yreka Comment
  CAS-BOT-BC363173  Rudbeckia californica Alice Eastwood 1912-8-30 2047 Siskiyou Mount Eddy Comment
  UC224171  Rumex acetosella H. E. Brown Jun 1 1897-Jun 10 1897 304 Siskiyou near Sisson; ; separated from UC224172, coll H. E. Brown in Idaho, Aug 1896, #22 1083 Comment
  UC55517  Rumex acetosella T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CHSC106099  Rumex conglomeratus Lowell Ahart; John Dittes 2010-7-30 16935 Siskiyou Along the west bank of the Shasta River, about 30 yards northwest 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
  UC375324  Rumex salicifolius var. salicifolius Geo. D. Butler 1908-7-6 512 Siskiyou near Yreka Comment
  RSA237864  Sagina decumbens subsp. occidentalis Frederick W. Oettinger 1969-8-22 1495 Siskiyou SE of Horse s Hole, near Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1820 Comment
  CAS-BOT-BC102817  Salix boothii A. A. Heller 1922-7-15 13704 Siskiyou On the shore of Medicine Lake 2133 Comment
  CAS-BOT-BC103544  Salix commutata John Thomas Howell 1939-8-5 15077 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC45040  Salix delnortensis J. O. Sawyer, E. Cope 1977-6-19 2953 Siskiyou Clear Creek Trail between Preston Creek and Trout Camp 915 Comment
  RSA238019  Salix eastwoodiae Frederick W. Oettinger 1969-8-8 1297 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  JEPS38483  Salix exigua W. L. Jepson 1907-7-22 2953 Siskiyou Burhart's Ranch Hamburg; Klamath River Comment
  RSA105506  Salix exigua G. D. Barbe 1955-6-28 7 Siskiyou 0.8 mile N of Callahan near Hjertagers' Mill. 976 Comment
  SEINET10538849  Salix exigua Katherine L. Morris 1973-6-2 Morris 374 Siskiyou Collected 7.0 mi s of etna along roadside of hwy 3, near a gravel quarry. Comment
  UC481727  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1931-6-21 474 Siskiyou ca. 13 km. n.w. of Shasta City (1.3 km. e. of Burney Mill, at bridge, n. base Mt. Eddy); Mt. Eddy 1110 Comment
  CAS-BOT-BC125457  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 423 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City; above Metcalf ranch house 1350 Comment
  CAS-BOT-BC125464  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-21 473 Siskiyou North base of Mount Eddy, about 13 km. northwest of Shasta City; about 1.3 km. east of Burney Mill 1110 Comment
  CAS-BOT-BC125475  Salix lasiandra var. lasiandra A. A. Heller 1905-6-15 8032 Siskiyou Sisson Comment
  CAS-BOT-BC107065  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 409 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1425 Comment
  CAS-BOT-BC107074  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
  HSC69187  Salix lasiolepis Maralyn A. Renner 1980-8-31 2631 Siskiyou Twin Valley. 1494 Comment
  SBBG57844  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou N side of Mt Eddy, below Dobkin's Lake,, ca. 21 km NW of Shasta City 1650 Comment
  UC449839  Salix lasiolepis L. S. Smith 1931-6-1 19 Siskiyou nr. Mt. Shasta 1066 Comment
  UC576389  Salix lasiolepis Mrs. H. P. Bracelin 1936-5-12 844 Siskiyou 11 mi. n.w. from Mt. Shasta City (ca. 2 mi. e. of Burney Mill, n. base Mt. Eddy, flat beside creek at bridge); n. base Mt. Eddy 1127 Comment
  CAS-BOT-BC124898  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou North side of Mount Eddy, about 21 km. northwest of Shasta City; 180 m. below Dobkin's Lake 1770 Comment
  SBBG57820  Salix lucida subsp. lasiandra Mrs. H. P. Bracelin 1931-6-19 411 Siskiyou NE side of Mt Eddy, ca. 16 km NW of Shasta City, above Metcalf ranch house 1425 Comment
  CAS-BOT-BC125695  Salix melanopsis Mrs. H. P. Bracelin 1936-9-3 861 Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  CAS-BOT-BC129519  Salix melanopsis Isabelle C. Kimber 1934-6-9 18 Siskiyou Steelbridge Camp, Sacramento River just above confluence with Ney Creek 731 Comment
  CAS-BOT-BC129035  Salix scouleriana Geo. B. Grant 1902-9-11 5168 Siskiyou Sisson 1127 Comment
  RSA238271  Salix scouleriana Frederick W. Oettinger 1968-8-2 363 Siskiyou Outlet of Diamond Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2073 Comment
  SBBG57981  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 444 Siskiyou Wagon Crk Cyn, ca. 1 km up from Metcalf ranch house, E side of Mount Eddy, ca. 17 km NW of Shasta City 1170 Comment
  UC481710  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 445 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
  UC481711  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 445 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
  RSA15593A  Salix sitchensis Carl B. Wolf 1907-8-27 1117 Siskiyou On the Klamath River. Happy Camp. Comment
  UC922323  Salix sitchensis Annie M. Alexander and Louise Kellogg 1949-7-21 5829 Siskiyou Paradise Lake Marble Mts., Paradise Lake 1920 Comment
  HSC27227  Salsola tragus J. P. Smith, J. O. Sawyer 1971-9-18 4800 Siskiyou Hwy. 3, between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  HSC4806  Salsola tragus R. C. Wunner 1965-7-21 407 Siskiyou Lava Beds National Monument, near Captain Jack's Stronghold. 1220 Comment
  UCR129339  Salvia pratensis C. S. Giebner 1968-7-29 s.n. Siskiyou E.H. Marlow property, Greenhorn Valley, c. 2 miles west of Yreka 274 Comment
  UC144539  Salvia sonomensis A. A. Heller 1905-6-16 8044 Siskiyou near Sisson Comment
  JEPS95183  Salvia virgata Liz Parsons Aug 1998 s.n. Siskiyou along Ager Beswick Road, eastern Siskiyou County Ager Beswick Road Comment
  CAS-BOT-BC238893  Sambucus nigra subsp. caerulea Alice Eastwood 1917-9-2 6662 Siskiyou Shasta Springs Comment
  HSC31888  Sambucus nigra subsp. caerulea Steve Selva, Roger Jensen 1974-8-26 61 Siskiyou Along Rd. 8 to Sugar Creek trail, ca. 2 mi. from Hwy. 3 Comment
  CAS-BOT-BC236483  Sambucus racemosa subsp. racemosa Annetta Carter 1939-8-21 1479 Siskiyou Southeast end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2042 Comment
  SEINET3103512  Sambucus racemosa var. racemosa Steve Selva, Roger Jensen 1974-8-26 61 Siskiyou Collected along road 8 to Sugar Creek trail. Approx. 2 miles from highway 3. Comment
  CDA26417  Sanguisorba annua G. D. Barbe, T. C. Fuller 1972-6-14 946 Siskiyou North of Weed, ca. 1 mile north of US 97 on Hoy Road. 0 Comment
  JEPS82700  Saxifraga aprica Wayne Roderick 1984-6-5 Siskiyou 12 air km sw of Mount Shasta City (aabove Castle Lake) 1981 Comment
  JEPS84347  Saxifraga ferruginea L. R. Heckard with J. Hickman et al. 1986-7-17 6531 Siskiyou se of Condry Mountain (road end area and camp overlooking s end of Alex Hole); Alex Hole 1980 Comment
  RSA238318  Saxifraga ferruginea Frederick W. Oettinger 1968-8-1 337 Siskiyou South side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  RSA211107  Saxifraga tolmiei William J. Ferlatte 1966-8-5 356 Siskiyou Caribou Mountain. 2470 Comment
  CHSC99691  Saxifragopsis fragarioides L. P. Janeway 2008-7-24 9465 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
  HSC69193  Saxifragopsis fragarioides Maralyn A. Renner 1980-9-1 2694 Siskiyou Bear Mtn. 1936 Comment
  UC1333334  Saxifragopsis fragarioides Dorothy Parker 1949-8-3 357 Siskiyou bluff above Paradise Lake (Salmon Mt); Siskiyou Mountains 1981 Comment
  UCD126471  Schedonorus arundinaceus P. B. Kennedy 1923-8-29 s.n. Siskiyou Mt. Shasta City. By Camp Cold Water, Sisson. Comment
  HSC77192  Scirpus congdonii L. P. Janeway 1983-8-16 555 Siskiyou Poker Flat 1524 Comment
  HSC82377  Scirpus congdonii Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4530 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  SEINET7592335 Image available Scirpus congdonii Frederick W. Oettinger 1968-1 357 Siskiyou Common on E side of Diamond Lake near outlet. High lake basins in the vicinity of English Peak Marble Mountain Wilderness area. 2073 Comment
  UC184012  Scirpus microcarpus Geo. D. Butler 1908-8-28 81 Siskiyou Oro Fino Oro Fino (wet meadow) Comment
  HSC33327  Scirpus microcarpus William J. Ferlatte 1974-7-14 1530 Siskiyou Big Flat near S Fork of Salmon River, W of campground 1509 Comment
  HSC40237  Scleranthus annuus J. P. Smith 1976-5-5 8670 Siskiyou Road from Etna to Sawyer's Bar. 732 Comment
  POM43114  Scrophularia lanceolata Geo. D. Butler 1910-5-22 1383 Siskiyou Yreka Creek. Comment
  HSC74822  Scutellaria antirrhinoides J. P. Smith, Jennifer Whipple 1978-7-2 9982 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  UCD69139  Scutellaria antirrhinoides D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-13 s.n. Siskiyou Callahan-Cecilville. Cecilville Road. Klamath National Forest. 1130 Comment
  RSA445342  Scutellaria siphocampyloides Louis C. Wheeler 1934-6-4 2633 Siskiyou Hamburg Gulch off Horse Creek. (Mt. Diablo Mer.) Siskiyou Mts 610 Comment
  UC165984  Sedum Geo. D. Butler 1908-6-27 140 Siskiyou Forest House (mountain) Forest House Comment
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Oct 20 2011
  UC571146  Sedum lanceolatum Dorothy Tebbe 1929-6-7 130 Siskiyou rocky hillside at Crater Lake (Mount Eddy); , Crater Lake Comment
  CAS-BOT-BC59188  Sedum lanceolatum Louis C. Wheeler 1934-8-9 3075 Siskiyou Janyes Canyon 1920 Comment
  UC1736760  Sedum laxum subsp. flavidum Dean W. Taylor 1996-6-28 15756 B Siskiyou Antelope Mountain (about 8 air miles south of Yreka) 1798 Comment
  RSA238009  Sedum laxum subsp. heckneri Frederick W. Oettinger 1969-7-11 988 Siskiyou Near summit of Little Medicine Mountain (north of Hancock Lake). Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  UCR246374  Sedum oblanceolatum Peter F. Zika 2011-7-19 25650 Siskiyou Klamath Range (KR), near Pacific Crest Trail, 1 air mile WNW of Copper Butte, Siskiyou Mountains 1610 Comment
  HSC19433  Sedum obtusatum subsp. retusum J. O. Sawyer 1968-6-25 294 Siskiyou NE of N Horse Range Lake 2012 Comment
  CAS-BOT-BC64657  Sedum oregonense H. A. Thomas; J. H. Thomas 1954-7-24 4509 Siskiyou Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. 9 mi. E of Cecilville. 1828 Comment
  UC198706  Sedum oregonense Annie Alexander and Louise Kellogg Siskiyou Wildcat Pk 2496 Comment
  RSA237790  Selaginella densa var. scopulorum Frederick W. Oettinger 1968-8-5 401 Siskiyou Between English Peak and Diamond Lake, Mount Hemlock Forest. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  HSC19475  Selaginella scopulorum J. O. Sawyer 1969-6-10 805 Siskiyou S face near Sugar Lake 1829 Comment
  CHSC33066  Senecio aronicoides James Payne Smith Jr. 1976-5-21 8769 Siskiyou Klamath National Forest, Forest Road 40N08, 6.9 miles from its junction with State Route 3. 1524 Comment
  CDA8580  Senecio aronicoides T. C. Fuller 1962-6-13 8987 Siskiyou Road to Medicine Lake, ca. 12 miles northeast of Bartle. 0 Comment
  RSA0013321  Senecio aronicoides A. E. Culbertson 94 Siskiyou near Forest Service Camp Grd., about a mile downstream from Castle Lake on road to town of Shasta; on north slope of a 6600' eastern spur of Trinity Mts. and 1500' above Sacramento R., within 9 air miles of its headwaters to the west., Mt. Shasta 13 miles to n.e. 1524 Comment
  HSC91206  Senecio fremontii Jennifer Whipple 1976-7-24 1560 Siskiyou SW of Dobkins Lake along the drainage into the lake 2256 Comment
  JEPS101379  Senecio integerrimus var. exaltatus Dean W. Taylor 1997-6-12 16057 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle 944 Comment
  JEPS30370  Senecio integerrimus var. exaltatus Peter H. Raven 1962-5-30 17899 Siskiyou 12.3 mi s Macdoel (U.S. Highway 97) Comment
  HSC90544  Senecio integerrimus var. exaltatus Jennifer Whipple 1976-6-16 1010 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2195 Comment
  HSC27490  Senecio integerrimus var. major J. P. Smith, J. O. Sawyer 1972-5-27 5346 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  HSC77018  Senecio integerrimus var. major K. T. Stillman 1976-6-25 39 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  SEINET10809464 Image available Senecio integerrimus var. major Harley P. Chandler Chandler 1606 Siskiyou Ridges and meadows near Marble mountain. 1981 Comment
  HSC76653  Senecio triangularis K. T. Stillman 1976-7-23 298 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  JEPS24017  Sericocarpus oregonensis subsp. oregonensis Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6878 Siskiyou 2 mi w Seiad Valley; Klamath River, Portuguese Creek 396 Comment
  UC196948  Setaria viridis Geo. D. Butler 1909-10-10 1091 Siskiyou Yreka, <Dooryand> Comment
  UCD92872  Setaria viridis R. Tofsrud 1948-8-1 s.n. Siskiyou Dunsmuir. Comment
  RSA211491  Sibbaldia procumbens William J. Ferlatte 1967-8-20 1050 Siskiyou Caribou Basin. Sawtooth Ridge. 2043 Comment
  UC60960  Sidalcea asprella subsp. nana Geo. B. Grant September 1902 5144 Siskiyou Mount Shasta Comment
  UC61159  Sidalcea malviflora subsp. asprella W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson Mount Shasta, Sisson Comment
  UC705503  Sidalcea malviflora subsp. asprella Marion Ownbey, Fred G. Meyer 1940-7-8 2227 Siskiyou 21 mi n Happy Camp (summit of Siskiyou Mountains); , n of Happy Camp Comment
  UC1013004  Sidalcea malviflora subsp. asprella C. L. Hitchcock 1952-6-30 19640 Siskiyou on road to Orleans about 30 mi sw Happy Camp; sw of Happy Camp on rd to Orleans Comment
  HSC46145  Sidalcea malviflora subsp. nana J. P. Smith, Steve Selva 1970-7-15 4356 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  CDA36497  Sidalcea oregana J. R. Grisham 1961-6-14 Siskiyou Yreka 0 Comment
  JEPS67209  Sidalcea oregana subsp. oregana Geo. D. Butler 1908-8-3 61 Siskiyou Log Lake 1371 Comment
  UC922291  Sidalcea oregana subsp. oregana Annie M. Alexander and Louise Kellogg 1949-7-23 5852 Siskiyou Sky High Valley , Paradise Lake, Sky High Valley (Marble Mountains) 1920 Comment
  RSA211117  Sidalcea oregana subsp. oregana W. J. Ferlatte 1966-8-18 419 Siskiyou Along the South Fork of the Salmon River between the campground and Carter s. 1524 Comment
  RSA448577  Sidalcea oregana subsp. oregana M. B. Dunkle 1945-8-7 9336 Siskiyou Paradise Lake Comment
  HSC172  Sidalcea oregana subsp. spicata William J. Ferlatte 1966-8-18 419 Siskiyou Along the S fork of the Salmon River between the campground and Carter's 1524 Comment
  HSC71104  Sidalcea oregana subsp. spicata Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4510 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  HSC76758  Sidalcea oregana subsp. spicata K. T. Stillman 1976-7-14 239 Siskiyou Marble Mtn. Wilderness Area Comment
  RSA185856  Sidalcea oregana subsp. spicata H. A. Thomas, J. H. Thomas 1954-7-21 4435 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek. 1159 Comment
  UC454917  Sidalcea oregana subsp. spicata I. J. Condit 1911-7-27 Siskiyou Castle Lake 1981 Comment
  UC524186  Sidalcea oregana subsp. spicata Elmer I. Applegate 1923-8-18 3832 Siskiyou w end of Medicine Lake 1981 Comment
  HSC34117  Sidalcea oregana subsp. spicata J. O. Sawyer 1969-8-18 1996 Siskiyou Slopes of S Sugar Lake Creek 1829 Comment
  POM253298  Sidalcea oregana subsp. spicata A. A. Heller 1938-7-13 15268 Siskiyou About a mile S. of Bray 1402 Comment
  JEPS23251  Silene campanulata Joseph P. Tracy 1935-8-1 14421 Siskiyou 1 mi e Salmon Summit Mine (head of Knownothing Creek); , e of Salmon Summit Mine 1767 Comment
  CHSC33091  Silene campanulata subsp. glandulosa James P. Smith 1973-5-5 6370 Siskiyou In and around O'Neill Campground near Seiad Valley. 487 Comment
  SEINET3165983  Silene campanulata subsp. glandulosa P. J. Alexander 2008-7-24 870 Siskiyou Below the Pacific Crest Trail on the E side of Lilypad Lake, +-0.6 miles S of Red Butte, +-5.5 miles N of Seiad Valley, Siskiyou Mountains, Rogue River National Forest. 1737 Comment
  UC796448  Silene campanulata subsp. glandulosa Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11806 Siskiyou at Mule Creek crossing on Scott Mountain Road s Callahan; s of Callahan 1524 Comment
  HSC64981  Silene campanulata subsp. glandulosa D. L. Goforth 1979-7-14 165 Siskiyou Trinity Alps Wilderness Area, Yellow Rose Mine Trail 1951 Comment
  RSA48002  Silene campanulata subsp. greenei Roxana S. Ferris, Laura Lorraine 1948-6-12 11806 Siskiyou At Mule Creek crossing n Scott Mountain Road south of Callahan. 1524 Comment
  JEPS95043  Silene douglasii Vernon Oswald and Lowell Ahart 1997-7-28 8779 Siskiyou Forest Route 56 (42N56) 3.7 mi e of Forest Route 49 (Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave); Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave 1755 Comment
  RSA237807  Silene grayi Frederick W. Oettinger 1968-8-16 549 Siskiyou East side of Hancock Lake. Salmon Mtns. High Lake Basin in the vicinity of English Peak, Marble Mountain Wilderness Area. Comment
  UCD98588  Silene grayi Mary Ann Showers 1980-7-23 1921 Siskiyou on south and east-facing slopes of Pumice Stone Mt. 2103 Comment
  CAS-BOT-BC94426  Silene menziesii R. C. Wenk 2005-7-16 254 Siskiyou Trinity Alps, South Fork of the Salmon River. South end of Big Flat Meadow 1499 Comment
  POM182779  Silene menziesii var. viscosa Geo. D. Butler 1909-6-10 967 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC75163  Sisymbrium altissimum Isabelle C. Kimber 1934-6-9 5 Siskiyou Mount Shasta north slope. 1219 Comment
  RSA237355  Sisymbrium altissimum Frederick W. Oettinger, R. F. Thorne 1969-8-4 1528 Siskiyou Campsite, English Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UC1025073  Sisyrinchium idahoense Leo Whitney 1934-6-11 1587 Siskiyou near Tennant; Antelope Creek 1463 Comment
  JEPS25624  Smilacina racemosa Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7258 Siskiyou Poker Flat 1536 Comment
  JEPS62128  Smilacina racemosa Geo. D. Butler 1908-8-24 94 Siskiyou Eldredge Corral Russian Creek 1219 Comment
  UC164382  Smilacina racemosa Geo. D. Butler 1908-8-24 94 Siskiyou Eldredge's Corral Russian Creek Comment
  JEPS25632  Smilacina stellata Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7271 Siskiyou Poker Flat 1536 Comment
  HSC101708  Smilax californica J. P. Smith, J. O. Sawyer 2011-6-25 13252 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  CAS-BOT-BC365565  Solidago elongata Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  CAS-BOT-BC365566  Solidago elongata L. R. Short 1933-9-8 69 Siskiyou Klamath National Forest. Deer Camp 1889 Comment
  CAS-BOT-BC365579  Solidago elongata Copeland 1903-8-12 3823 Siskiyou Sisson Comment
  CAS-BOT-BC365580  Solidago elongata Gilbert Muth 1965-8-3 s.n. Siskiyou Meadow, Marble Valley Comment
  HSC2321  Solidago elongata Geo. D. Butler 1910-8-31 1858 Siskiyou Comment
  OBI55412  Solidago spectabilis David J. Keil, Kathleen Keil 1992-7-21 23531 Siskiyou Klamath NF SE of Callahan. Forest Rd 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  CAS-BOT-BC365250  Solidago velutina subsp. californica Carl B. Wolf 1927-8-26 1015 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  HSC27239  Solidago velutina subsp. californica J. P. Smith, J. O. Sawyer 1971-9-18 4812 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  POM39718  Solidago velutina subsp. californica Geo D. Butler 1910-7-30 1800 Siskiyou Yreka Creek. Comment
  CDA7674  Sonchus arvensis subsp. uliginosus T. C. Fuller 1963-8-27 11162 Siskiyou South side of Dorris-Tulelake Road where the roadbed forms the north shore of Lower Klamath Lake, Lower Klamath Lake Wildlife Refuge, ca. 12 miles west of Hatfield. 0 Comment
  CDA7676  Sonchus arvensis subsp. uliginosus T. C. Fuller 1963-8-27 11162 Siskiyou South side of Dorris-Tulelake Road where the roadbed forms the north shore of Lower Klamath Lake, Lower Klamath Lake Wildlife Refuge, ca. 12 miles west of Hatfield. 0 Comment
  CDA7670  Sonchus oleraceus T. C. Fuller 1959-10-14 3271 Siskiyou Big Springs Park, Mt. Shasta City. 0 Comment
  HSC18905  Sorbus californica J. O. Sawyer 1968-7-23 590 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  POM88253  Sorbus californica Geo. D. Butler 1908-8-26 282 Siskiyou Salmon Mountain. 1677 Comment
  RSA178547  Sorbus californica Joseph P. Tracy 19478 Siskiyou Summit of the Sikiyous at crossing of the Takilma-Happy Camp Rd. (See L. Constance '3 miles S of State Line'). 1463 Comment
  SJSU6530  Sorbus californica R. W. Trivelpiece 1973-6-21 145 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  SEINET3157624  Sorbus sambucifolia G. D. Butler 1910-7-8 1681 Siskiyou Shackleford Creek 1372 Comment
  CAS-BOT-BC158924  Sorbus scopulina D. M. Traugh 1933-8-6 5 Siskiyou Klamath National Forest 1783 Comment
  HSC19254  Sorbus scopulina J. O. Sawyer 1969-6-12 898 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  SBBG50781  Sorbus scopulina J. M. Tucker 1963-7-7 3715 Siskiyou vicinity of Paradise Lake, at base of King's Castle on the E side, Marble Mtn Wilderness Area 1981 Comment
  HSC18906  Sorbus sitchensis var. sitchensis J. O. Sawyer 1968-6-18 218 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  RSA0097340  Spergularia rubra L. C. Wheeler 1934-9-2 3239 Siskiyou Miller Glade, Siskiyou Mts. 1829 Comment
  HSC64781  Spiraea douglasii J. P. Smith, Steve Selva 1970-7-17 4445 Siskiyou 915 Comment
  HSC74812  Spiraea douglasii J. P. Smith 1978-7-1 9992 Siskiyou Klamath National Forest, O'Neill Creek Campground, Klamath River 488 Comment
  JEPS45019  Spiraea douglasii W. L. Jepson Jul 1894 13855 Siskiyou Sisson Comment
  CAS-BOT-BC421466  Spiraea splendens A. A. Heller 1916-7-22 12484 Siskiyou East side of Mt. Eddy 1676 Comment
  UC14964  Spiranthes porrifolia W. A. Setchell, C. C. Dobie 1902-7-25 Siskiyou Sisson Tavern Mount Shasta Comment
  CAS-BOT-BC94550  Spiranthes romanzoffiana R. C. Wenk 2006-9-2 548 Siskiyou Field redacted by CAS, contact the data manager for more information 1950 Comment
  RSA382202  Spiranthes romanzoffiana M. B. Dunkle 1945-1 9346 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  JEPS101600  Stachys ajugoides Dean W. Taylor 1999-8-12 17303 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley), creek crossing on logging road 1341 Comment
  JEPS84076  Stachys ajugoides var. rigida L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6306 Siskiyou just s state line (Indian Creek Road from Takilma to Happy Camp) Comment
  UCLA70898  Stachys ajugoides var. rigida W. Bridge Cooke 1940-6-20 15147 Siskiyou w Shasta River; Klamath River Comment
  SBBG126114  Stachys pilosa L. Ahart, J. Dittes 2010-7-30 16948 Siskiyou S edge of Shasta River, ca. 80 yards E of E Louie Rd Bridge, Shasta Big Springs Ranch, 1.6 mi (air) SW of Big Springs Lake, 4.6 mi (air) NW of Dwinnel Dam, 5.7 mi (air) SE of Grenada 716 Comment
  HSC78209  Stachys rigida var. rigida L. P. Janeway 1983-8-16 546 Siskiyou Poker Flat 1524 Comment
  POM101747  Stellaria longipes Geo. D. Butler 1910-6-6 1463 Siskiyou Quartz Valley Comment
  CAS-BOT-BC391219  Stellaria longipes subsp. longipes Alice Eastwood 1921-7-28 10876 Siskiyou Medicine Lake Comment
  JEPS54036  Streptanthus tortuosus W. L. Jepson 1907-7-4 2818 Siskiyou Shackleford Canyon Marble Mt. region Comment
  UC625501  Streptanthus tortuosus Frank W. Gould 1938-6-27 472 Siskiyou 3 mi n Mt. Shasta (town) (near hwy) 1082 Comment
  UCSB27379  Streptanthus tortuosus Wilken, Dieter 1969-7-26 Siskiyou Above summit of Mt. Shasta Ski Bowl Road, south slope of Mt. Shasta 3200 Comment
  UC618767  Streptanthus tortuosus var. orbiculatus W. Bridge Cooke 1938-8-18 11497 Siskiyou Horse Camp Slopes Mt. Shasta Comment
  CAS-BOT-BC516433  Streptopus amplexifolius Doris K. Kildale 1928-8-18 6481 Siskiyou Near head of north fork of Salmon River at Finley's upper Camp Comment
  CAS-BOT-BC516440  Streptopus amplexifolius J. M. Tucker 1963-8-19 3771 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area Comment
  RSA47663  Streptopus amplexifolius Roxana S. Ferris, Laura Lorraine 11749 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  JEPS80511  Streptopus amplexifolius var. americanus Gilbert Muth 1966-7-24 443 Siskiyou Marble Mt. Wilderness Area, Marble Valley 1792 Comment
  UC1561398  Swertia albicaulis Barbara Ertter 1985-5-30 5759 Siskiyou 2.5 mi n Scott Mt. Summit (on Hwy 3, se of Callahan) 1402 Comment
  JEPS25841  Swertia albicaulis var. nitida Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7456 Siskiyou about 13 air mi nw Happy Camp (on jeep-road along Del Norte-Siskiyou co. boundary (ridge top) dividing Indian Ck drainage from that of Illinois Riv--leading to Twin Valley) 1584 Comment
  CAS-BOT-BC245849  Symphoricarpos Doris K. Kildale 1928-7-4 5523 Siskiyou Summit of divide between Salmon River and Scott Valley in Sawyers Bar-Etna Road Comment
  CAS-BOT-BC269619  Symphoricarpos albus var. laevigatus Carl B. Wolf 1930-10-22 1753 Siskiyou 1 mile west of Mt. Shasta City 1066 Comment
  HSC18883  Symphoricarpos mollis J. O. Sawyer 1968-9-10 680 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  HSC18884  Symphoricarpos mollis J. O. Sawyer 1968-9-28 739 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  HSC18890  Symphoricarpos mollis J. O. Sawyer 1968-6-25 334 Siskiyou 1646 Comment
  HSC18891  Symphoricarpos mollis J. O. Sawyer 1968-6-18 206 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  JEPS66686  Symphoricarpos mollis Geo. D. Butler 1908-8-21 90 Siskiyou Etna Creek 1219 Comment
  CHSC36144  Symphoricarpos rotundifolius var. rotundifolius K. Bridwell 1978-7-8 177 Siskiyou N slope of Sheep Mountain, ca. 10 mi E of Macdoel. 1645 Comment
  CAS-BOT-BC97881  Symphyotrichum eatonii Geo. B. Grant 1902-9-1 69 Siskiyou Shasta Springs Comment
  HSC68185  Symphyotrichum foliaceum var. parryi J. P. Smith, J. O. Sawyer 1973-8-14 7296 Siskiyou W shore of Campbell Lake 1768 Comment
  UC60977  Symphyotrichum frondosum Geo. B. Grant Sep 1902 5235 Siskiyou Shasta Springs Comment
  JEPS81907  Symphyotrichum spathulatum Roger Raiche 1982-10-14 20825 Siskiyou Stewart Springs Road 914 Comment
  UCD86131  Taeniatherum caput-medusae P. B. Dickey 1940-5-26 954 Siskiyou Little Shasta Valley, near Little Shasta. Comment
  HSC29101  Taraxacum officinale Frederick W. Oettinger 1969-7-13 1010 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: S of Upper English Lake 1799 Comment
  CHSC86457  Taraxia tanacetifolia Jenny Marr 1993-7-1 74 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  UC1482562  Tauschia howellii Laurie Andrews 1981-6-10 15 Siskiyou at the top of the ridge by Crapo Peak (English Peak meadows, Marble Mtn Wilderness Area, Salmon River District); Marble Mtn Wilderness Area, Sawyers Bar Quad., Salmon River 2194 Comment
  CAS-BOT-BC81348  Taxus brevifolia Alice Eastwood 1912-7-21 1269 Siskiyou Sisson Comment
  CAS-BOT-BC85239  Taxus brevifolia Doris K. Kildale 1928-7-4 5475 Siskiyou 3 miles west of summit of divide between Sawyers Bar & Etna Mills Comment
  RSA237817  Taxus brevifolia Frederick W. Oettinger 1968-8-13 504 Siskiyou Northeastern side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  NY17617  Taxus brevifolia W. R. Dudley 1901-8-20 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
  UCD96765  Thalictrum fendleri var. polycarpum John M. Tucker 1963-7-7 3728 Siskiyou Marble Mountain Wilderness Area, vicinity of Paradise Lake at east base of King's Castle on the east side. 1981 Comment
  CAS-BOT-BC65025  Thelypodium laciniatum Julie Kierstead Nelson; Rhonda Posey 2007-6-15 2007 -006 Siskiyou North side of Mount Shasta, south of Hwy 97. Quadrangle 764 Juniper Flat. 1100 Comment
  CAS-BOT-BC77711  Thelypteris nevadensis Doris K. Kildale 1928-7-3 5438 Siskiyou Little North Fork of Salmon River Comment
  CAS-BOT-BC77744  Thelypteris nevadensis W. B. C. 1956-7-16 30292 Siskiyou Above Hotlum Station, north side of Mount Shasta 1676 Comment
  UC375348  Thlaspi arvense Geo. D. Butler 1909-4-21 1108 Siskiyou near Yreka; near Yreka Comment
  CHSC34500  Thlaspi montanum var. montanum J. D. Jokerst 1981-9-8 1468 Siskiyou Between West Park Cr. and first road to the west. 1524 Comment
  CHSC71569  Thlaspi montanum var. montanum Vernon H. Oswald; Lowell Ahart 1998-8-3 9426 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  JEPS54046  Thlaspi montanum var. montanum W. L. Jepson 1907-7-5 2842 Siskiyou Marble Mt. 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
  UC1586874  Thlaspi montanum var. montanum Juha Pykala and D. H. Norris 1987-6-26 2050 Siskiyou 0-3 km below Bear Lake (above Bear Creek, sw slopes); Marble Mountain Wilderness Area Comment
  UC165983  Thlaspi montanum var. montanum Geo. D. Butler 1910-6-4 1503 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC66798  Thysanocarpus curvipes John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-20 53556 Siskiyou East Fork Scott River 2 miles east of Callahan on road to Gazelle. 1005 Comment
  UC986573  Thysanocarpus curvipes Dorothy Parker 1951-5-10 511 Siskiyou near Kidder Creek (Scott Valley); , near Kidder Creek 914 Comment
  HSC6996  Thysanocarpus curvipes L. C. Wheeler 1935-5-11 3477 Siskiyou Klamath River at Ash Creek, near river 610 Comment
  UC70447  Tofieldia occidentalis subsp. occidentalis Milo S. Baker 1899-8-4 Siskiyou Dead Horse Canyon Comment
  SD264755  Torilis arvensis Tracey G. Call, Viola Call 1964-6-22 2277 Siskiyou Near Klamath river Ao mile east of mouth of Beaver Creek. 487 Comment
  CAS-BOT-BC169256  Toxicodendron diversilobum Alice Eastwood 1923-5-18 11836 Siskiyou Shasta Sprnigs Comment
  RSA625170  Trautvetteria caroliniensis var. occidentalis Louis C. Wheeler 1963-8-28 8289 Siskiyou Siskiyou Mountains: Clear Creek ca. 1 mile downstream from West Fork. 640 Comment
  CAS-BOT-BC376177  Triantha occidentalis subsp. occidentalis Andrew Townesmith; Karen M. Meyer 2007-8-1 882 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway) 1983 Comment
  HSC67719  Triantha occidentalis subsp. occidentalis John Palmer 1980-7-24 619 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  CAS-BOT-BC519565  Triantha occidentalis subsp. occidentalis W. R. Dudley 1907-8-18 s.n. Siskiyou Near Jackson lake Comment
  CAS-BOT-BC519574  Triantha occidentalis subsp. occidentalis A. A. Heller 1920-7-30 13488 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  UCLA54787  Trichostema lanceolatum Edward Lee 1934-8-12 1047 Siskiyou Klamath River, S bank 1/4 mi W of Walker Creek (between Hamburg and Seiad Valley) North Coast Range 426 Comment
  OBI55487  Trichostema simulatum David J. Keil, Kathleen Keil 1992-7-21 23521 Siskiyou Klamath Natl Forest SE of Callahan on hwy 3, 2.1 I NW of Scott Mtn summit Comment
  HSC68413  Trientalis latifolia Maralyn A. Renner 1980-7-4 1407 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  UC1101403  Trifolium cyathiferum Herbert L. Mason 1948-7-17 13604 Siskiyou eastern Grass Lake Comment
  UC375410  Trifolium cyathiferum Geo. D. Butler 1908-8-3 386 Siskiyou Shackleford Creek Log Lake Comment
  POM28069  Trifolium cyathiferum Geo. D. Butler 1910-6-3 1473 Siskiyou Quartz Valley. Comment
  RSA237925  Trifolium cyathiferum Frederick W. Oettinger 1969-8-18 1425 Siskiyou Northeast of Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC62305  Trifolium howellii Ruby Van Deventer 1955-8-5 Siskiyou Clear Creek Trail crossing, Trout Camp Comment
  HSC77108  Trifolium howellii K. T. Stillman 1976-7-31 355 Siskiyou Marble Mountain Wilderness Area, Ridge N of Jump off, 1/2 mi. S of Paradise Lake Comment
  UC1025112  Trifolium kingii var. productum Douglas Barbe 1955-7-9 154 Siskiyou s shore Kangaroo Lake; Scott Mtns 1828 Comment
  HSC71103  Trifolium longipes Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4509 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  RSA582434  Trifolium longipes Louis C. Wheeler 1935-7-26 3706 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  UC1045267  Trifolium longipes subsp. elmeri W. B. Cooke 1940-6-6 15037 Siskiyou Near Castle Lake Road. 1524 Comment
  UC1607609  Trifolium longipes subsp. oreganum Barbara Ertter 1990-7-16 9376 Siskiyou NW side of Mt. Eddy ca 8 air miles SW of Weed, ca 1-2 mi from Parks Cr trailhead (=crest of Rt 17). 2286 Comment
  JEPS97189  Trifolium longipes var. elmeri Julie Kierstead Nelson with Maria Ulloa-Cruz 1995-8-22 95056 Siskiyou 1 1/2 mi W of The Eddys (on Parks Creek Road (Rd. 17); W slope of Parks Creek drainage); Shasta-Trinity National Forests, Mt. Shasta Ranger District 1737 Comment
  UC1733732  Trifolium macrocephalum Frank Gould, Kay H. Beach 1940-5-15 1236 Siskiyou Bull Meadows Comment
  UC163875  Trifolium obtusiflorum Geo. D. Butler 1909-6-20 914 Siskiyou near Yreka Comment
  SBBG15604  Trifolium pratense D. Myrick 1961-6-20 276 Siskiyou near Mt Shasta City 1066 Comment
  UC1045249  Trifolium pratense W. B. Cooke 1940-7-5 15235 Siskiyou Bear Springs meadow Mount Shasta 1524 Comment
  HSC71541  Trifolium pratense J. P. Smith, Steve Selva 1970-6-15 3894 Siskiyou Oak Bottom Campground near Somes Bar. 229 Comment
  HSC32295  Trillium ovatum J. O. Sawyer 1971-6-29 2397 Siskiyou Elk Hole 1524 Comment
  CHSC96099  Trillium ovatum subsp. oettingeri L. P. Janeway 2006-7-3 8757 Siskiyou Klamath Ranges. Salmon Mountains; creeklet at head of Music Creek. 1981 Comment
  HSC77003  Trillium ovatum subsp. oettingeri K. T. Stillman 1976-6-25 86 Siskiyou Marble Mtn. Wilderness Area, N side of Elk Valley. 1799 Comment
  JEPS47255  Trillium ovatum subsp. oettingeri E. L. Greene 1876-1 Siskiyou near Yreka Yreka Comment
  CAS-BOT-BC200089  Trisetum canescens Doris K. Kildale 1928-8-18 6482 Siskiyou Near head of north fork of Salmon River near Finley's Upper Camp Comment
  HSC30665  Trisetum canescens Frederick W. Oettinger, R. F. Thorne 1969-8-4 1158 Siskiyou Salmon Mountains, above Halfway Spring on trail from English Lake to Diamond Lake 1829 Comment
  JEPS89301  Trisetum spicatum Gilbert Muth 1966-8-3 492 Siskiyou Marble Valley; Marble Mountain Wilderness Area 1792 Comment
  UCD93740  Trisetum spicatum A. H. Murphy 1960-8-11 60 L Siskiyou Klamath National Forest. Whisky Camp. 1828 Comment
  HSC73275  Triteleia bridgesii Gail Newton 1980-6-20 471 Siskiyou Near Bald Mtn. 1097 Comment
  CAS-BOT-BC133483  Triteleia crocea Geo. D. Butler 1909-5-30 786 Siskiyou Humbug Mountain Comment
  UC1258447  Triteleia crocea Maralyn A. Renner 1980-7-23 1832 Siskiyou Pacific Crest Trail near ridge about 1 mi e of Cook and Green Pass; Klamath National Forest, Seiad Valley Quad. 1752 Comment
  HSC30441  Triteleia hyacinthina Frederick W. Oettinger 1969-8-18 1415 Siskiyou Marble Mtn. Wilderness Area, trail to Horse Range Lake 1768 Comment
  SEINET10905135  Triteleia ixioides subsp. anilina Mary Susan Taylor 1980-7-8 Taylor 3110 Siskiyou T39N R5W nw sec 19, Dunsmuir quad; Shasta-Trinity Natl Forest; on trail, E side of Castle Lake to Little Castle Lake. 1768 Comment
  RSA184681  Tsuga mertensiana Gilbert Muth 1966-7-29 131 Siskiyou Marble Valley, Marble Mountains. 1793 Comment
  CAS-BOT-BC376181  Urtica dioica Andrew Townesmith; Karen M. Meyer 2007-8-3 895 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along state route 96, 5.2 miles west of National Forest boundary. Vicinity of Cayuse Day Use Area 576 Comment
  CAS-BOT-BC404215  Urtica dioica subsp. holosericea Alice Eastwood 1912-9-1 1771 Siskiyou Sisson Comment
  HSC8632  Urtica dioica subsp. holosericea R. C. Wunner 1965-7-9 346 Siskiyou Lava Beds National Monument, Indian Well Maintenance area, near truck wash area. 1433 Comment
  UCR38389  Vaccinium arbuscula G. R. Ballmer, G. F. Pratt 1985-6-19 s.n. Siskiyou Trinity Mtns, Cedar Lake, WNW of Dunsmuir, c. 1 mi north of Gumboot Lake 1738 Comment
  CAS-BOT-BC228590  Vaccinium cespitosum Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-18 1925 Siskiyou The Eddys Region, Shasta-Trinity National Forest. Gumboot Lake, headwaters of the Sacramento River 1836 Comment
  CAS-BOT-BC228832  Vaccinium cespitosum Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-20 1931 Siskiyou Russian Wilderness, Klamath National Forest. Along Sugar Creek Trail to Sugar Lake from trailhead off forest road 41N14 1805 Comment
  CHSC69748  Vaccinium cespitosum Loren Gehrung 1996-9-19 108 Siskiyou The Eddys. Jcn of County Rd 26 and Gumboot Creek, at Gumboot Crossing. 1511 Comment
  HSC19512  Vaccinium cespitosum J. O. Sawyer 1969-8-3 1731 Siskiyou W of Little Duck Lake 2195 Comment
  RSA659524  Vaccinium cespitosum Gary D. Wallace 1990-7-1 2951 b Siskiyou Mount Shasta: Panther Meadow, campground on AAA map. 2255 Comment
  RSA760540  Vaccinium cespitosum R. F. Thorne, Frederick W. Oettinger 1969-8-4 63363 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 2072 Comment
  CAS-BOT-BC199230  Vaccinium membranaceum Louis C. Wheeler 1934-8-16 3162 Siskiyou Klamath National Forest. Johnson Dairy 1645 Comment
  HSC47103  Vaccinium membranaceum J. O. Sawyer, K. Stillman 1978-7-6 3300 Siskiyou Along Happy Camp- O'Brien Rd., 0.5 mi. S of summit and S of Louse Creek 1280 Comment
  HSC60769  Vaccinium membranaceum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  SEINET3107073  Vaccinium membranaceum Steve Selva, Roger Jensen 1974-8-22 34 Siskiyou Collected along trail from Doe Flat campground to Buck Lake. Comment
  HSC19415  Vaccinium scoparium J. O. Sawyer 1968-7-9 429 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC19416  Vaccinium scoparium J. O. Sawyer 1968-7-22 547 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  CAS-BOT-BC199485  Vaccinium scoparium W. R. Dudley 1901-8-23 s.n. Siskiyou Amphitheatre of Caribou Peak, Salmon Mts. Comment
  HSC69062  Vaccinium uliginosum Maralyn A. Renner 1980-8-6 2324 Siskiyou Cracker Meadow 1555 Comment
  RSA238873  Vaccinium uliginosum subsp. occidentale Frederick W. Oettinger 1969-9-5 1676 Siskiyou SE side of Wiregrass meadow below English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UC28816  Valeriana californica Milo S. Baker 1893-8-9 Siskiyou Medicine Lake Comment
  POM128296  Valeriana capitata subsp. californica M. S. Baker 1898-8-1 480 Siskiyou Medicine Lake. Comment
  RSA238821  Valeriana sitchensis subsp. scouleri Frederick W. Oettinger 1967-7-30 214 Siskiyou Approx. 300 yards up tributary of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1784 Comment
  SD88292  Vancouveria hexandra Darley F. Howe 1972-7-5 Siskiyou 0.6 miles south of Oregon State Line on road to Happy Camp 1705 Comment
  JEPS39294  Veratrum insolitum W. Roderick 1965-6-8 Siskiyou 12.1 road mi ne Cecilville 1219 Comment
  HSC86427  Veratrum viride D. K. Imper Jul 1987 Siskiyou Marble Mtn. Wilderness Area, Haypress Meadow, 8 mi. E of Somes Bar 1372 Comment
  HSC30440  Veratrum viride Frederick W. Oettinger 1968-8-1 346 Siskiyou Marble Mtn. Wilderness Area, S of Hancock Lake 2043 Comment
  UC1409321  Veratrum viride Frederick W. Oettinger 1969-9-2 1592 Siskiyou near Tom Tyler Cabin (Bear Meadow, Marble Mountain Wilderness Area, High Lake Basins in vicinity of English Peak, Salmon Mountains, western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1996 Comment
  SEINET9225188  Verbena lasiostachys G. D. Butler 1910-7-2 1621 Siskiyou Yreka. Comment
  HSC34121  Veronica americana J. O. Sawyer 1969-8-18 1992 Siskiyou S Sugar Lake Creek 1829 Comment
  UC455534  Veronica americana I. J. Condit 1909-8-22 Siskiyou Sisson Comment
  HSC4804  Veronica americana William J. Ferlatte 1967-6-5 489 Siskiyou Big Flat, between public camp and S Fork of Salmon River 1524 Comment
  JEPS83001  Veronica catenata L. R. Heckard 1971-8-28 2782 Siskiyou about 5 mi n of Yreka (on old U.S. Highway 99, under and e of bridge across Shasta River); Shasta River 731 Comment
  RSA479495  Veronica catenata L. R. Heckard 1971-8-28 2782 Siskiyou Under and east of bridge across Shasta River, ca 5 mi N of Yreka on old US Hwy 99. 732 Comment
  UC1473429  Veronica copelandii Gilbert Jerome Muth 1978-8-2 7402 Siskiyou near South China Mountain (close to town of Callahan) 2438 Comment
  SEINET4938455  Veronica copelandii Copeland 1903-8-18 3931 Siskiyou Mt. Eddy [Plants of the Pacific Coast. Distributed by C.F. Baker] Comment
  HSC19337  Veronica wormskjoldii J. O. Sawyer 1969-7-9 1225 Siskiyou Along trail to Sugar Lake. 1768 Comment
  UCD78083  Vicia americana Robert E. Preston 2002-6-21 1875 Siskiyou Klamath National Forest, Rainbow Mountain, S slope, N of Trout Creek 1749 Comment
  SFV1976  Vicia americana var. americana D. Myrick 1961-6-21 301 Siskiyou On Deer Camp Road above Oak Knoll Ranger Station on Klamath River. 19 miles west of Highway 99. 1372 Comment
  UC722947  Vicia americana var. americana C. L. Hitchcock and J. S. Martin 1939-7-6 5208 Siskiyou Takilma-Happ