Search Results — 2000 specimen records retrieved (1387 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/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC73506  Abies concolor L. B. Kildale 1930-6-1 9791 Siskiyou Black Bear Trail to Sawyers Bar. Comment
  UCD134142  Abies concolor Robert E. Preston 2001-6-30 1649 c Siskiyou Klamath National Forest, Rainbow Mountain, north slope of east lobe. 1920 Comment
  HSC96424  Abies lasiocarpa var. lasiocarpa Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 489 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  UCD70192  Abies lowiana S. Rivas-Martinez; M. Costa and D. Sanchez-Mata 1998-6-16 Siskiyou Mount Shasta City. Shasta-Trinity National Forest. John Everitt Memorial Highway. Open Shasta red fir forests (Abies shastensis) at the basis of Mount Shasta. 2180 Comment
  RSA572075  Abies magnifica L. C. Wheeler 1934-8-10 3101 Siskiyou Siskiyou Mountains, Dead Cow Creek. 1890 Comment
  SEINET5432355 Image available Abies magnifica Ross C. Clark, Bob Harvey; Chris Harvey 23915 Siskiyou Mt. Shasta. Comment
  JEPS80586  Abies magnifica var. shastensis Gilbert Muth 1965-7-29 132 Siskiyou Marble Valley , Marble Valley (Marble Mt. Wilderness Area) 1792 Comment
  RSA237365  Abies procera Frederick W. Oettinger 1968-9-10 811 Siskiyou Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  HSC42164  Acer glabrum var. torreyi R. J. Mastrogiuseppe, J. D. Mastrogiuseppe 1974-9-2 Siskiyou Near Kidd Creek Comment
  CAS-BOT-BC332786  Acer macrophyllum Alice Eastwood 1923-5-29 12000 Siskiyou Cantara Comment
  CAS-BOT-BC376180  Acer negundo Andrew Townesmith; Karen M. Meyer 2007-8-3 892 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
  CDA35547  Acer negundo subsp. californicum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2621 Siskiyou 200 meters north of Hamilton Street on Highway 3, north edge of Fort Jones. Comment
  UC642533  Achillea millefolium D. D. Keck 1939-8-10 13873 Siskiyou w bank Mud Creek Canyon; Mount Shasta 2895 Comment
  UCSB6310  Achillea millefolium Phillips, Priscilla 1960-6-13 Siskiyou Rt. 97, 11 miles north of Weed, lowers slopes of Mt. Shasta 1097 Comment
  HSC29202  Achillea millefolium Frederick W. Oettinger 1968-8-5 400 Siskiyou High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area, ridges above English Lake basin, 'Shasta Ridge 2073 Comment
  HSC68426  Achlys triphylla Maralyn A. Renner 1980-6-26 1219 Siskiyou SE edge of Flint Valley. 1390 Comment
  CAS-BOT-BC210721  Achnatherum lemmonii Louis C. Wheeler 1934-6-11 2682 Siskiyou Klamath National Forest. N. Hungry Cr. 1310 Comment
  UC796591  Achnatherum lemmonii Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11791 Siskiyou Scott Mountain Road s of Callahan; Scott Mountain Road Comment
  CAS-BOT-BC216928  Achnatherum occidentale Doris K. Kildale 1928-7-4 5512 Siskiyou Summit of divide between Saywers Bar and Etna Comment
  POM229940  Achnatherum thurberianum L. C. Wheeler 1935-5-7 3470 Siskiyou Klamath River at Ash Creek 610 Comment
  RSA715779  Achyrachaena mollis L. Ahart, John Dittes 2005-6-10 12113 Siskiyou About 100 yards southeast of the pump house along the Shasta River, about 1.9 air miles south of Highway 99/97 Cutoff, about 6 air miles east-southeast of Grenada. 777 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
  UC375342  Aconitum columbianum Geo. D. Butler 1908-8-3 363 Siskiyou Shackleford Creek, Log Lake Comment
  UC398632  Aconitum columbianum A. A. Heller 1927-8-1 14433 Siskiyou at State Teachers College near Shasta City (Sisson) 1074 Comment
  CAS-BOT-BC391511  Aconitum columbianum subsp. columbianum A. A. Heller 1915-8-26 12240 Siskiyou Mt Eddy 1828 Comment
  CAS-BOT-BC391518  Aconitum columbianum subsp. columbianum Alice Eastwood 1912-8-30 1989 Siskiyou Mount Eddy Comment
  CAS-BOT-BC391535  Aconitum columbianum subsp. columbianum A. A. Heller 1915-8-26 12240 Siskiyou Mt. Eddy 1828 Comment
  HSC82224  Aconitum columbianum subsp. columbianum Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4517 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  CAS-BOT-BC391587  Aconitum columbianum subsp. viviparum Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  HSC19285  Aconogonon davisiae J. O. Sawyer 1969-7-8 1092 Siskiyou NE slope above Little Duck Lake 2140 Comment
  UC61077  Adenocaulon bicolor W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou Mc Cloud River (The Bend); Mount Shasta, Mc Cloud River (The Bend) Comment
  CAS-BOT-BC29324  Adenocaulon bicolor W. B. Cooke; V. G. Cooke 1962-8-17 33525 Siskiyou Bear Springs, Mount Shasta 1524 Comment
  HSC27637  Adenocaulon bicolor Carl W. Mize 1972-6-21 80 Siskiyou 305 Comment
  CAS-BOT-BC68951  Adiantum aleuticum Gilbert J. Muth 1969-8-10 1346 Siskiyou Ridge west of Boulder Peak Comment
  CAS-BOT-BC68956  Adiantum aleuticum A. A. Heller 1915-8-26 12235 Siskiyou Mt. Eddy in open swampy places in the forest. 1828 Comment
  JEPS95063  Agastache parvifolia Vernon Oswald and Lowell Ahart 1997-7-28 8771 Siskiyou 16 mi s of Medicine Lake (Forest Route 49 (Powder Hill Road) at 41N03 to Porcupine Butte); Forest Route 49 (Powder Hill Road) 1365 Comment
  JEPS80551  Agastache urticifolia Gilbert Muth 1965-8-11 206 Siskiyou Marble Mt. Wilderness Area 1792 Comment
  HSC155  Agastache urticifolia William J. Ferlatte 1966-8-3 258 Siskiyou Mtn. Meadow Ranch 1524 Comment
  SEINET3151422  Agastache urticifolia G. D. Butler 1910-6-7 1533 Siskiyou Moffit Creek Comment
  CAS-BOT-BC29457  Ageratina occidentalis Doris K. Kildale 1928-7-1 5326 Siskiyou Forks of Salmon RIver Comment
  SEINET1004219  Ageratina occidentalis Mark Fishbein, Lane Greer 2006-1 5873 Siskiyou Along Forest Service Rd. 49, about 7 mi south-southwest of Medicine Lake, about 0.4 mi northeast of Snag Hill. 1585 Comment
  RSA15461  Ageratina occidentalis Carl B. Wolf 1927-8-26 1081 Siskiyou Klamath River, 5 mi. below Hamburg. Comment
  UC163886  Agoseris X dasycarpa Geo. D. Butler 1910-6-19 1589 Siskiyou Goosenest, foothills of Goosenest 1524 Comment
  UC75800  Agoseris X dasycarpa Milo S. Baker 1897-8-1 154 Siskiyou top Medicine Lake Mts. 2438 Comment
  RSA238738  Agoseris aurantiaca Frederick W. Oettinger 1969-7-28 1088 Siskiyou Moist grassy bank NNE of Tom's Lower Pond. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  CAS-BOT-BC21373  Agoseris aurantiaca var. aurantiaca Gilbert Muth 1965-8-12 s.n. Siskiyou Upper meadows of Marble Valley Comment
  JEPS74564  Agoseris aurantiaca var. aurantiaca W. J. Ferlatte 1966-8-5 322 Siskiyou slope on n side Caribou Mtn.; Trinity Alps, Caribou Mtn. 1920 Comment
  HSC45207  Agoseris glauca var. glauca J. O. Sawyer, E. Cope 1977-6-20 2971 Siskiyou Along W slopes of Bear Mtn. 1829 Comment
  CHSC98747  Agoseris glauca var. monticola L. P. Janeway; B. Castro 2007-7-29 9139 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, very steep north-facing slope near the top of the northwest-trending shoulder. 2067 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-BC15383  Agoseris grandiflora var. grandiflora Alice Eastwood; John Thomas Howell 1937-6-26 5064 Siskiyou Near Fork of Salmon River Comment
  RSA120644  Agropyron desertorum G. D. Barbe 1955-06 76 Siskiyou 1 1/4 mi E of Etna near junction of West side road and East West road Comment
  CAS-BOT-BC126990  Agrostis exarata Melissa A. Berry 1957-7-4 s.n. Siskiyou Carter Meadow at junction of Long Gulch and Trail Gulch on South Fork of Salmon River. 1676 Comment
  RSA239097  Agrostis exarata Frederick W. Oettinger 1968-9-7 755 Siskiyou On north side of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  RSA585078  Agrostis exarata L. C. Wheeler 1934-7-2 2843 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts. 1280 Comment
  UC1190233  Agrostis exarata Ira L. Wiggins 1955-7-22 13453 Siskiyou 9.5 mi above Cecilville (South Fork Salmon River); South Fork Salmon River 1066 Comment
  UCD37082  Agrostis exarata Beecher Crampton 1956-8-21 3821 Siskiyou Siskiyou County, 0.25 mile northeast of Gumboot Lake. 1828 Comment
  SEINET7593586 Image available Agrostis exarata F. W. Oettinger 1969-1 1499 Siskiyou north side of Horse's Hole meadows, Horse Range Lake, Salmon Mountains 1859 Comment
  CAS-BOT-BC139569  Agrostis gigantea Louis C. Wheeler 1934-8-14 3134 Siskiyou Klamath Forest. North side White Mountain. 1767 Comment
  HSC65673  Agrostis gigantea Donald W. Miles 1979-7-23 24 Siskiyou 8 mi. N of Pondosa CDF station, short road spur off of Short Grade Rd. 1012 Comment
  JEPS84087  Agrostis idahoensis L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6340 Siskiyou ca 7 mi nne Seiad Valley (sw of Cook and Green Pass, ca 0.5 mi se of Red Butte) 1730 Comment
  HSC22462  Agrostis pallens J. O. Sawyer 1969-7-24 1471 Siskiyou NW facing slope SW of Sugar lake. 1829 Comment
  HSC25454  Agrostis pallens J. P. Smith, J. O. Sawyer, & Maralyn O'Meara 1972-7-3 5649 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  HSC30511  Agrostis pallens Frederick W. Oettinger 1968-9-1 637 Siskiyou Marble Mtn. Wilderness Area, SE side of Abbot's Lake, on rocks and in rock crevices 1723 Comment
  HSC30520  Agrostis pallens Frederick W. Oettinger 1969-9-3 1623 Siskiyou Marble Mtn. Wilderness Area, Crapo Meadow, along trail to Tom Taylor Cabin before it enters woods 2073 Comment
  HSC30559  Agrostis pallens Frederick W. Oettinger 1968-9-3 681 Siskiyou Marble Mtn. Wilderness Area, slope west of Horse Range Lake 1905 Comment
  RSA239061  Agrostis pallens Frederick W. Oettinger 1968-9-1 637 Siskiyou SE side of Abbott's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA239063  Agrostis pallens Frederick W. Oettinger 1969-9-1 1578 Siskiyou Dry Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  RSA239088  Agrostis pallens Frederick W. Oettinger 1969-8-16 1390 b Siskiyou near Upper English Lake? The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  SEINET4343713 Image available Agrostis pallens Unknown 1996-7-7 15810 Siskiyou Salmon Mountains; Ruffey Lakes (about 8 air miles southwest of Etna), in cirque above the upper lake; Klamath National Forest 2073 Comment
  SEINET7594105 Image available Agrostis pallens F. W. Oettinger 1969-1 1377 Siskiyou inlet to English Lake, Salmon Mountains 1753 Comment
  POM207335  Agrostis scabra Edward Palmer 1892-1 2665 Siskiyou near Mt. Shasta Comment
  UC1153941  Agrostis scabra Alfred H. Murphy 1957-8-16 56 W Siskiyou Tangle Blue Lake Klamath National Forest 1767 Comment
  UC1265425  Agrostis stolonifera Frederick W. Oettinger 1969-8-24 1527 Siskiyou vicinity English Peak (Upper English Lake); Salmon Mountains, Marble Mountain Wilderness Area, English P 1798 Comment
  HSC30585  Agrostis thurberiana Frederick W. Oettinger 1968-9-7 757 Siskiyou Marble Mtn. Wilderness Area, W shore of Hancock Lake. 1936 Comment
Read comments
Feb 29 2012
  UCD35443  Agrostis variabilis Beecher Crampton 1956-8-22 3857 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2316 Comment
  HSC65342  Aira caryophyllea J. P. Smith 1973-5-5 6378 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  RSA577792  Allium acuminatum L. C. Wheeler 1935-5-11 3489 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  CAS-BOT-BC462379  Allium amplectens Geo. D. Butler 1910-5-17 1358 Siskiyou Dampland Yreka Comment
  CHSC118453  Allium amplectens Julie Kierstead Nelson; Martin Lenz, Rhonds Posey, Brenna Mmontagne 2016-6-9 2016 -004 Siskiyou Lower Parks Creek watershed, E Klamath Range; seasonally wet sloping grassland in Pinus jeffreyi-Calocedrus decurrens woodland on untramafic clay soil, along Forests Service Road 42N19, 3 miles noerthwest of Stewart Springs. UTM NAD 83 Zone 10, 539582m E, 458690m N. 1371 Comment
  CAS-BOT-BC462989  Allium bolanderi D E Breedlove 1962-6-10 3302 Siskiyou Along Indian Creek Road, 15.6 miles northwest of Happy Camp 975 Comment
  CHSC2064  Allium falcifolium E. G. England 1939-6-30 Siskiyou Mt. Eddy. 2286 Comment
  HSC91449  Allium falcifolium Jennifer Whipple 1976-6-17 1017 Siskiyou N face of Mt. Eddy 2226 Comment
  SEINET196192  Allium falcifolium R. S. Ferris, L Lorraine 1948-6-12 11840 Siskiyou Gazelle Mtn grade rd between Callahan and Gazelle 1500 Comment
  CAS-BOT-BC469077  Allium falcifolium Arthur Menzies 1962-7-21 s.n. Siskiyou Mt Eddy 2529 Comment
  RSA367095  Allium falcifolium Christopher Davidson 1975-6-5 2695 Siskiyou 0.5 miles ENE on unnamed dirt road departing to east off highway 3 at Scott Mtn. summit. 1677 Comment
  JEPS81882  Allium siskiyouense Roger Raiche 1982-7-7 20562 Siskiyou Alex Hole 1950 Comment
  RSA237370  Allium siskiyouense Frederick W. Oettinger 1967-6-24 112 Siskiyou Etna Summit between Etna and Sawyers Bar. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC384652  Allium validum Andrew Townesmith; Karen M. Meyer 2007-7-30 876 Siskiyou Shasta-Trinity National Forest. Off county road A-10, mile 12.6 (from beginning of road in Mount Shasta City), Panther Meadow campground vicinity 2284 Comment
  NY334899  Allocarya laxa H. E. Brown 1897-8-1 590 Siskiyou South side Mt. Shasta 1524.0 Comment
  JEPS69370  Allophyllum divaricatum W. L. Jepson July, 1894 15061 Siskiyou Sisson Shasta Region, Sisson Comment
  HSC22207  Allotropa virgata J. O. Sawyer 1969-6-11 813 Siskiyou Ridge next to C.C.C. road, near N fork of Horse Range Creek 1357 Comment
  RSA607568  Allotropa virgata Barbara M. Leitner 1996-8-14 96 -002 Siskiyou Medicine Lake Highlands and Adjacent Modoc Plateu. Comment
  CAS-BOT-BC171402  Alnus incana subsp. tenuifolia Elmer I. Applegate 1923-9-7 3972 Siskiyou Doggett Ridge, near head of Doggett Creek, S slope of the Siskiyou Mountains 1524 Comment
  CAS-BOT-BC171403  Alnus incana subsp. tenuifolia J. H. Chastain 1918-3-1 s.n. Siskiyou Gazelle Comment
  SEINET205137  Alnus incana subsp. tenuifolia J. M. Tucker 1963-8-17 3739 Siskiyou Marble Mtn WA ; In vicinity of cabin lower Red Rock Valley 1494 Comment
  CAS-BOT-BC169649  Alnus rhombifolia Elmer I. Applegate 1923-9-5 3936 Siskiyou Klamath River 12 miles below the Pacific Highway Comment
  JEPS82434  Alnus viridis subsp. sinuata Gilbert Muth 1966-7-29 462 Siskiyou Marble Valley Marble Mt. Wilderness Area (by waterfall) 1828 Comment
  SEINET3917663  Alopecurus aequalis J. P. Smith, Steve Selva 1970-7-16 4385 Siskiyou Along Klamath River 2 miles west of Seiad Creek.; 0 518 Comment
  CAS-BOT-BC17202  Alyssum alyssoides L. E. Smith 1913-5-27 299 Siskiyou Weed. Comment
  HSC69210  Amelanchier alnifolia Maralyn A. Renner 1980-7-24 2081 Siskiyou Lily Pad Lake 1768 Comment
  UC1409347  Amelanchier alnifolia var. pumila Frederick W. Oettinger 1968-8-2 362 Siskiyou meadow s Diamond Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  CAS-BOT-BC142874  Amelanchier alnifolia var. semiintegrifolia Ira L. Wiggins 1950-5-28 12366 Siskiyou Margins of Carmen Lake, about 1.5 miles east of Scott Mountain road 1737 Comment
  HSC18540  Amelanchier pallida D. M. Thomson 1965-8-7 170 Siskiyou Lava Beds NM, Cave Loop Rd. by information center Comment
  RSA211464  Amelanchier pallida William J. Ferlatte 1967-6-5 493 Siskiyou Big Flat. 1524 Comment
  UC618747  Amelanchier utahensis unknown 1938-8-5 11434 Siskiyou MacBride Spring Road; Mount Shasta Comment
  CDA40467  Amsinckia menziesii G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2582 Siskiyou Around abandoned railroad station building and tracks, Grenada. Comment
  CAS-BOT-BC45213  Anaphalis margaritacea A. A. Heller 1914-8-28 11734 Siskiyou East side of Mount Eddy 2103 Comment
  UCD159784  Anemone G. Ledyard Stebbins 1972-7-3 9009 Siskiyou Northwest side of Red Butte, west of Cook and Green Pass. (Exact location unknown. Coordinates estimated by label maker.) 1828 Comment
  CDA24185  Anemone deltoidea T. C. Fuller 1958-6-18 1819 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  HSC64333  Anemone deltoidea J. P. Smith, Steve Selva 1970-6-16 4063 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  JEPS60505  Anemone deltoidea W. L. Jepson 1907-7-6 2848 Siskiyou near Marble Mtn (ridge near Budahay Valley); Marble Mtn Region Comment
  CAS-BOT-BC391800  Anemone deltoidea Doris K. Kildale 1928-7-4 5459 Siskiyou 3 miles west of summit of divide between Sawyers Bar & Etna Comment
  RSA78294  Anemone deltoidea P. A. Munz 1952-7-1 17862 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 Comment
  CAS-BOT-BC391848  Anemone drummondii L. R. Short 1933-8-6 105 Siskiyou Klamath National Forest. Marble Mts. 1828 Comment
  UC609311  Anemone drummondii Eleanor Burks Hart 1938-8-20 944 Siskiyou below Red Cap 2407 Comment
  UCD95474  Anemone drummondii var. drummondii Robert E. Preston 2001-8-26 1766 a Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 1975 Comment
  HSC22417  Anemone lyallii J. O. Sawyer 1969-6-12 936 Siskiyou Along Duck Lake Creek 1921 Comment
  CAS-BOT-BC391971  Anemone occidentalis Harley P. Chandler 1901-6-1 1676 Siskiyou North Coast Ranges. Marble Mountain 2438 Comment
  HSC724  Anemone occidentalis William J. Ferlatte 1967-7-26 754 Siskiyou Caribou Basin, Sawtooth Ridge 2287 Comment
  SEINET3158801  Anemone occidentalis G. D. Butler 1910-7-10 sn Siskiyou Upper Campbell Lake 1676 Comment
  UCR110586  Anemone occidentalis L. C. Wheeler 1963-8-25 8273 Siskiyou South Slope, Preston Peak: South summit 2134 Comment
  UCSB11466  Anemone occidentalis Dearing, Hugh; Dearing, Margaret 1939-7-1 Siskiyou Soloman Mt. Summit 1981 Comment
  UC8953  Anemone oregana Harley P. Chandler Jun 1901 1551 Siskiyou ridges and meadows near Marble Mtn; North Coast Ranges 1828 Comment
  HSC35774  Angelica tomentosa J. O. Sawyer 1969-9-12 2009 Siskiyou Hanging valley N of Wildcat Peak 2012 Comment
  UC165287  Antennaria argentea Geo. D. Butler 1908-6-29 334 Siskiyou near Oro Fino Comment
  UC166576  Antennaria argentea Geo. D. Butler 1909-5-9 700 Siskiyou (North Lennox St.) Yreka 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
  SEINET10938028  Antennaria geyeri Mary Susan Taylor 1980-8-18 Taylor 3263 Siskiyou T43N R1E sw sec 8, Medicine Lake quad. Shasta-Trinity Natl Forest, Little Mount Hoffman, W side, between road and look out. With J. Prouty & E. Heinz. 2225 Comment
  HSC21992  Antennaria media J. O. Sawyer 1968-7-22 558 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  CAS-BOT-BC79910  Antennaria microphylla Doris K. Kildale 1929-7-20 8580 Siskiyou South east spur of Preston Peak 1950 Comment
  JEPS89482  Antennaria racemosa Dean William Taylor 1972-7-3 1598 Siskiyou at Cook and Green pass Cook and Green pass 1371 Comment
  RSA416694  Antennaria racemosa M. B. Dunkle 1944-7-3 9071 Siskiyou Siskiyou Mts. Beaver Crk. 1677 Comment
  UC165973  Antennaria racemosa Geo. D. Butler 1910-6-4 1502 Siskiyou Sh<?>leford Creek 1219 Comment
  RSA123632  Antennaria rosea G. D. Barbe 1955-8-1 327 Siskiyou At the summit of Mt. Bolivar. Scott Mts. 2470 Comment
  RSA238710  Antennaria rosea Frederick W. Oettinger 1969-9-3 1615 Siskiyou On the bedrock slopes of Shasta Ridge between English Peak and Diamond Lake . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UC1037288  Antennaria rosea Leo Whitney 1934-6-10 1702 Siskiyou near Tennent; Antelope Creek 1463 Comment
  HSC21968  Antennaria rosea subsp. rosea J. O. Sawyer 1969-8-4 1843 Siskiyou Above Sugar Lake 2134 Comment
  CAS-BOT-BC102275  Anthemis cotula A. A. Heller 1916-7-20 12460 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy Comment
  JEPS83422  Antirrhinum vexillocalyculatum subsp. breweri David M. Thompson 1983-9-10 361 Siskiyou 3.2 mi e center of Beaver Creek bridge on n side of Hwy. 96 (e town of Klamath River, opposite Klamath River from mouth of Vesa Creek); Condrey Mtn. Quad. (15', 1955) 560 Comment
  POM127134  Antirrhinum vexillocalyculatum subsp. breweri L. R. Abrams 1922-8-6 9897 Siskiyou Klamath River 6 miles below Hornbrook Comment
  HSC91437  Apocynum androsaemifolium Jennifer Whipple 1977-8-5 2179 Siskiyou Wagon Creek Drainage on the E face of Mt. Eddy 2256 Comment
  UCD77342  Apocynum androsaemifolium Robert E. Preston 2001-8-26 1765 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, Hemlock Lake. 1883 Comment
  CAS-BOT-BC397938  Aquilegia formosa Annie M. Alexander; Louise Kellogg 1949-7-20 5820 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  RSA183670  Aquilegia formosa var. truncata Gilbert Muth 1965-8-5 173 Siskiyou Marble Mts Comment
  HSC44499  Arabis breweri var. breweri K. Irwin 1977-5-22 386 Siskiyou On South Fork Salmon River Rd., 4 mi. E of Cecilville Comment
  HSC44933  Arabis breweri var. breweri J. O. Sawyer 1978-6-19 3248 Siskiyou Marble Mtn. Wilderness Area, trail between Timothy Gulch and Harry Hall Gulch 1433 Comment
  HSC29157  Arabis divaricarpa Frederick W. Oettinger 1969-7-15 1030 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: S of Bear Meadows, near Tom's Lake 2188 Comment
  HSC95693  Arabis drummondii Juha Pykala, D. H. Norris 1987-7-26 2009 Siskiyou Klamath National Forest, N of Sulphur Springs between Doolittle Creek and Stanza Creek, eastern tributaries of Elk Creek 1372 Comment
  HSC29187  Arabis glabra Frederick W. Oettinger 1969-8-18 1420 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: W side of Horse Range Lake 1829 Comment
  RSA0125752  Arabis glabra C. B. Wolf 1934-7-6 6004 Siskiyou 4.7 miles from Mt. Shasta City on Wagon Camp Road, SW slope of Mt. Shasta Comment
  UC1483493  Arabis holboellii var. pinetorum J. Sawyer and J. Cole 1980-7-22 3916 Siskiyou nw slopes Cedar Mtn.; Klamath National Forest, Bray Quad. 1524 Comment
  UC375279  Arabis holboellii var. retrofracta Geo. D. Butler 1910-6-5 1525 Siskiyou Log Lake Shackleford Creek Comment
  RSA0128697  Arabis lyallii Frederick W. Oettinger 1969-8-13 1356 Siskiyou North side, trail crossing Crapo Ridge; Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mt. Wilderness Area. 2195 Comment
  UC1483491  Arabis oregana Maralyn A. Renner 1980-6-22 897 Siskiyou slopes n Little Shasta River; Klamath National Forest, Copco Quad. 1371 Comment
  UC1980203  Arabis oregana Curtis R. Bjork 2000-5-21 5334 Siskiyou Siskyou Co.: Klamath / Siskyou Bioregion. Klamath National Forest. Shortly upslope from Walker Road. 15 miles NWN of Yreka on slopes above the south bank of the Klamath River. Comment
  HSC75660  Arabis platysperma J. O. Sawyer, R. J. Cole 1980-7-20 3704 Siskiyou Little Glass Mtn. 1951 Comment
  HSC90561  Arabis platysperma var. howellii Jennifer Whipple 1976-7-9 1404 Siskiyou N facing slopes in the Eddy Creek drainage 2226 Comment
  HSC6569  Arabis rectissima W. L. Jepson 1894-7-24 59 Siskiyou Mt. Shasta region, Muir Peak and Upton Plateau, N of Sisson Comment
  UC855541  Arabis rectissima var. rectissima A. A. Heller 1916-6-23 12421 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  HSC46182  Arabis subpinnatifida Jennifer Whipple 1977-4-29 1867 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  HSC67800  Arabis suffrutescens J. O. Sawyer, J. Cole 1980-7-22 3989 Siskiyou Little Horse Peak 1720 Comment
  HSC22082  Arabis suffrutescens var. horizontalis J. O. Sawyer 1969-7-25 1539 Siskiyou SW facing upper slope above Sugar Lake 2210 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
  CHSC33071  Aralia californica J. P. Smith; Steve Selva 1970-6-14 3887 Siskiyou Roadside seep, 1 mile east of Steinacher Creek road on road to Forks of Salmon. Comment
  RSA138227  Aralia californica P. C. Everett, E. K. Balls 1959-10-24 23942 Siskiyou 6 mi. W from Red Bank F. S. Camp, on road to Somesbar from Sawyers Bar Comment
  CAS-BOT-BC171027  Aralia californica Doris K. Kildale 1925-9-6 1299 Siskiyou Rodger Creek bridge, Klamath River Comment
  HSC27900  Arbutus menziesii Carl W. Mize 1972-9-23 120 Siskiyou Along Steinacher Creek Rd. above moist draw 610 Comment
  SD76161  Arbutus menziesii Helen V. Witham 1969-10-7 589 Siskiyou 6 miles south of Scott's Bar, Scott River. 500 Comment
  SEINET2471294  Arceuthobium abietinum subsp. wiensii R. L. Mathiasen 2007-9-16 2007 -47 Siskiyou Ca. 18 km W. of Indian Creek on forest road 17N11 1340 Comment
  UC1034066  Arceuthobium americanum WBC 1941-6-12 16034 Siskiyou Military Pass on ne side of mtn Mt. Shasta 1828 Comment
  SEINET3239876  Arceuthobium californicum R. L. Mathiasen 2010-1 1016 Siskiyou 17.4 km from Rte. 96 on Dillon Mtn. rd. 1310 Comment
  SEINET2471194  Arceuthobium campylopodum R. L. Mathiasen 2009-8-15 2009 -46 Siskiyou 2.4 km from Stewart Hot Springs on forest road 17 1356 Comment
  UC1078807  Arceuthobium campylopodum Job Kuijt 1957-5-31 1277 Siskiyou ca 3 mi above West Branch Guard Station and Campground (on rd from Happy Camp to Caves Junction, Oregon) 914 Comment
  UC1078862  Arceuthobium campylopodum Job Kuijt 1957-5-22 1370 Siskiyou 3.5 mi w Mcloud Comment
  UC1037436  Arceuthobium campylopodum Douglas Barbe 1955-7-29 314 Siskiyou 3/4 mi e Scott Mtn Rd (on private rd to Big Carmen Lake); Scott Mtns 1706 Comment
  UC1078871  Arceuthobium douglasii Job Kuijt 1957-6-26 1396 Siskiyou rd to Gumboot Lake Trinity Mtns w of Shasta (s fork of the Sacramento River) 1371 Comment
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Jun 7 2012
  CAS-BOT-BC410075  Arceuthobium douglasii William Bridge Cooke 1939-8-25 13920 Siskiyou on the SW slopes of Mount Shasta 1524 Comment
  CAS-BOT-BC39005  Arctostaphylos klamathensis Wayne Roderick; Martha Roderick 1979-7-11 s.n. Siskiyou Mumbo Basin 1737 Comment
  CAS-BOT-BC39006  Arctostaphylos klamathensis Roger Raiche 1982-10-13 20804 Siskiyou On rocky north-facing bluff above uppermost lake above Terrace Lake. 1981 Comment
  JEPS81806  Arctostaphylos klamathensis Todd Keeler-Wolf 1982-9-19 686 Siskiyou 0.5 km sw Terrace Lake 1950 Comment
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Mar 30 2006
  CAS-BOT-BC39980  Arctostaphylos nevadensis Elmer I. Applegate 1895-5-29 306 Siskiyou West base of Mt. Shasta near Sisson 1828 Comment
  CAS-BOT-BC39989  Arctostaphylos nevadensis Louis C. Wheeler 1934-7-23 75638 Siskiyou Long John creek 1463 Comment
  CAS-BOT-BC45440  Arctostaphylos nevadensis H. A. Thomas; J. H. Thomas 1954-7-24 4506 Siskiyou Salmon-Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 mi. e. of Cecilville. 1828 Comment
  HSC18958  Arctostaphylos nevadensis G. L. Clifton, Griswold 1979-6-28 6123 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  JEPS66675  Arctostaphylos nevadensis Geo. D. Butler 1908-8-4 101 Siskiyou head Shackelford Creek 1676 Comment
  UC166196  Arctostaphylos nevadensis Geo. D. Butler 1908-8-4 101 Siskiyou head Shackleford Creek Comment
  CAS-BOT-BC45412  Arctostaphylos nevadensis subsp. knightii C. Hart Merriam 1910-10-1 s.n. Siskiyou Happy Camp, Klamath River. Comment
  CAS-BOT-BC46706  Arctostaphylos patula Howell 1889-4-13 1378 Siskiyou Near the Klamath River. Comment
  HSC7700  Arctostaphylos patula Unknown Siskiyou Lava Beds N.M. Island Butte on Black Lava Flow 1646 Comment
  JEPS38836  Arctostaphylos patula Geo. D. Butler 1909-5-30 586 Siskiyou Yreka Hills Comment
  JEPS83892  Arctostaphylos patula Wayne Roderick July 1976 Siskiyou areas near Cook and Green Pass (along trail to Lily Pad Lake); Siskiyou Mountains Comment
  OBI70668  Arctostaphylos patula Louis C. Wheeler 1963-9-3 8344 Siskiyou Siskiyou Mtn. Cyclone Gap chrome mine Comment
  POM77135  Arctostaphylos patula Geo D. Butler 794 Siskiyou Dry hills near Yreka. Comment
  RSA3389  Arctostaphylos patula C. B. Wolf 1931-9-2 1268 Siskiyou 3 mi. above junction with Pacific Highway on the McCloud road. 1159 Comment
  UC876449  Arctostaphylos patula Lewis S. Rose 1937-7-25 37596 Siskiyou Mt. Shasta City 1158 Comment
  SEINET3155346  Arenaria nuttallii G. D. Butler 1910-7-4 1638 Siskiyou Goosenest foothills 1219 Comment
  UC1540129  Arnica dealbata Dean W. Taylor 1987-6-26 9071 Siskiyou 2 mi w Medicine Lake (on the sw side of Little Mount Hoffman near summit); Little Mount Hoffman 2209 Comment
  CAS-BOT-BC82551  Arnica discoidea Alice Eastwood; John Thomas Howell 1937-6-26 5047 Siskiyou Salmon Mts. near Taylor Creek Comment
  CAS-BOT-BC82555  Arnica discoidea Geo. D. Butler 1910-6-4 1492 Siskiyou Shackleford Creek Comment
  HSC42945  Arnica discoidea J. O. Sawyer, Ken Stillman 1976-7-1 2764 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  UC134172  Arnica discoidea Dr. E. B. Copeland 1903-8-17 3909 Siskiyou Mt. Eddy Pacific Coast, Mt. Eddy 1310 Comment
  UC165318  Arnica discoidea Geo. D. Butler 1908-8-26 322 Siskiyou Old trail between Taylor and Cow Creeks Comment
  HSC27645  Arnica discoidea Carl W. Mize 1972-6-21 71 Siskiyou Just past first creek on trail 351 Comment
  CAS-BOT-BC82666  Arnica latifolia John Thomas Howell 1937-7-26 13552 Siskiyou Caribou Gulch Comment
  HSC61824  Arnica latifolia Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  SJSU6541  Arnica latifolia R. W. Trivelpiece 1973-6-28 155 Siskiyou Big Duck Lake, Scott River drainage c. 7.5 mi W of Callahan, southwestern Siskiyou County 2042 Comment
  RSA237424  Arnica latifolia Frederick W. Oettinger 1969-8-6 1256 Siskiyou Tom's Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  SEINET3098740 Image available Arnica latifolia C. L. Hitchcock, J. S. Martin 1939-7-7 5233 Siskiyou On road to Bolan Lake, 5 miles from cut-off at junction with Takilma-Happy Camp road. 1770 Comment
  CAS-BOT-BC82691  Arnica longifolia W. R. Dudley 1899-8-13 s.n. Siskiyou Near Nabar Meadows, McCloud Comment
  HSC22152  Arnica mollis J. O. Sawyer 1969-8-18 1984 Siskiyou Above South Sugar Creek 2134 Comment
  JEPS35690  Arnica mollis Geo. D. Butler 1908-8-4 336 Siskiyou Shackleford Creek (head of) Shackleford Creek 1676 Comment
  UC129317  Arnica mollis Harley P. Chandler 1901-6-1 1700 Siskiyou Shackleford Canyon North Coast Ranges, Marble Mountain 1828 Comment
  UC75810  Arnica nevadensis Milo S. Baker 1898-8-1 502 Siskiyou Medicine Lake Comment
  RSA417151  Arnica nevadensis M. B. Dunkle 1944-6-26 9044 Siskiyou Deer Creek. 1829 Comment
  CAS-BOT-BC384653  Arnica ovata Andrew Townesmith; Karen M. Meyer 2007-7-30 877 Siskiyou Shasta-Trinity National Forest. Off county road A-10, mile 12.6 (from beginning of road in Mount Shasta City), Panther Meadow campground vicinity 2284 Comment
  CAS-BOT-BC85047  Arnica spathulata Volney Rattan 1903-1-1 s.n. Siskiyou Siskiyou Mts. Comment
  POM211808  Artemisia arbuscula subsp. arbuscula L. C. Wheeler 1934-8-26 3226 Siskiyou Trapper Creek, Siskiyou Mountains. (Mt Diablo Mer.) 1982 Comment
  RSA186317  Artemisia campestris subsp. borealis Gilbert Muth 1966-7-22 186317 Siskiyou Marble Rim, Marble Mountains 2195 Comment
  RSA417212  Artemisia campestris subsp. borealis M. B. Dunkle 9356 Siskiyou Klamath Nat'l Forest. Marble Mts. 1982 Comment
  CAS-BOT-BC90472  Artemisia douglasiana Grant 1902-9-14 s.n. Siskiyou Dunsmuir Comment
  JEPS36959  Artemisia douglasiana Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson Upper Sacramento River, southern Siskiyou County Comment
  UC933414  Artemisia douglasiana Annie Alexander and Louise Kellogg 1948-9-6 5585 Siskiyou South Fork Salmon River Comment
  RSA184691  Artemisia ludoviciana subsp. incompta Gilbert Muth 1966-7-31 472 Siskiyou North side of Black mountain, Marble Mountains. 2012 Comment
  CAS-BOT-BC90783  Artemisia ludoviciana subsp. ludoviciana John Thomas Howell 1939-8-8 15146 Siskiyou Black Mt., Marble Mts. Comment
  HSC35804  Artemisia norvegica subsp. saxatilis J. O. Sawyer 1969-8-4 1862 Siskiyou Slope SW of South Sugar Lake 2195 Comment
  CHSC32822  Artemisia tridentata Dirk Reith 1979-4-10 2 Siskiyou 10 mi WSW of Newell, 2 mi SW of Tule Lake, in Lava Beds Nat'l Monument. 1371 Comment
  JEPS94642  Artemisia tridentata subsp. tridentata Vernon H. Oswald and Lowell Ahart 1998-9-16 9629 Siskiyou near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 (ca 5 mi n of Macdoel); Butte Valley National Grassland 1295 Comment
  SEINET229956  Artemisia tridentata subsp. vaseyana Leila M. Shultz, John S. Shultz 1985-6-23 8587 Siskiyou Lava Beds National Monument; Approximately 20 miles south of Tulelake; western extension of the Great Basin 1341 Comment
  JEPS80593  Aruncus dioicus var. pubescens Gilbert Muth 1966-8-3 497 Siskiyou Marble Valley Marble Mt. Wilderness Area (by creek) 1792 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
  CAS-BOT-BC447719  Aruncus dioicus var. vulgaris C. A. Chamberlain 1934-8-17 3179 Siskiyou Siskiyou Mts.; N side White Mt. 1828 Comment
  RSA537374  Aruncus vulgaris Walter Wisura 1991-10-18 4599 Siskiyou Salmon river, 5.7 mi E of Somes Bar, Shaded seapage area. Comment
  CAS-BOT-BC400596  Asarum caudatum W. R. Dudley 1901-8-22 s.n. Siskiyou E. slope of Foxtail Ridge, Salmon Mountains Comment
  HSC28655  Asarum caudatum Frederick W. Oettinger 1968-8-14 510 Siskiyou Marble Mtn. Wilderness Area, 100 yds. downstream from Tom Taylor Cabin spring 2012 Comment
  CAS-BOT-BC400695  Asarum hartwegii Alice Eastwood 1912-7-17 1174 Siskiyou Sisson Comment
  SEINET10890225  Asclepias fascicularis H. E. Brown 1897-8-1 Brown 596 Siskiyou Mt. Shasta, S side Comment
  SEINET7112709  Asclepias fascicularis G. D. Butler 1910-6-29 1613 Siskiyou Near Yreka Comment
  JEPS80660  Asclepias speciosa W. B. and V. G. Cooke 1980-7-26 59013 Siskiyou Everitt Memorial Highway Mt. Shasta Comment
  SEINET3158828  Asclepias speciosa G. D. Butler 1910-6-8 1557 Siskiyou near Yreka Comment
  SEINET7121401  Asclepias speciosa B. L. Wilson 2006-7-25 11946 Siskiyou Near spring on Forest Service road above Forest Mountain Summit 1265 Comment
  UC1216703  Asparagus officinalis subsp. officinalis W. B. and V. G. Cooke 1958-10-10 Siskiyou between High School and Howard (along little used rd., Mt. Shasta); Mt. Shasta 1219 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
  RSA233703  Aster occidentalis var. occidentalis R. F. Thorne, Fred Oettinger 1969-8-10 38972 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  CAS-BOT-BC178807  Astragalus californicus T. S. Brandegee 1887-6-1 s.n. Siskiyou Near Yreka Comment
  CDA26673  Astragalus gambelianus G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2597 Siskiyou Between restaurant and motel properties, Old Highway 99, south edge of Yreka. Comment
  CAS-BOT-BC192920  Astragalus purshii var. lectulus L. E. Smith 1914-4-20 634 Siskiyou Yreka Comment
  HSC76923  Astragalus purshii var. lectulus K. T. Stillman 1976-6-26 137 Siskiyou Marble Mountain Wilderness Area, Kings Castle. 2134 Comment
  JEPS82441  Astragalus purshii var. lectulus Gilbert Muth 1966-7-22 438 Siskiyou Marble Rim , Marble Rim (Marble Mt. Wilderness Area) 2194 Comment
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Oct 30 2007
  POM16040  Astragalus purshii var. tinctus Geo. D. Butler 1910-3-20 1134 Siskiyou Near Yreka Comment
  POM45521  Astragalus purshii var. tinctus Geo. D. Butler 1909-5-8 708 Siskiyou Near Yreka. Comment
  HSC65080  Asyneuma prenanthoides J. P. Smith, Steve Selva 1970-6-15 3899 Siskiyou Oak Bottom Campground near Somes Bar. 229 Comment
  RSA237516  Athyrium americanum Frederick W. Oettinger 1968-8-12 499 Siskiyou From Golden Peak in the area just southeast of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC29371  Athyrium distentifolium var. americanum Frederick W. Oettinger 1969-8-21 1476 Siskiyou Marble Mtn. Wilderness Area, Ethel Lake 1738 Comment
  RSA237520  Athyrium filix-femina subsp. cyclosorum Frederick W. Oettinger 1968-8-14 511 Siskiyou Marble Mountain Wilderness Area, just below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  CAS-BOT-BC66194  Athyrium filix-femina var. cyclosorum Doris K. Kildale 1928-8-18 6422 Siskiyou North Fork Salmon River at Finley Camp Comment
  UC637172  Athyrium filix-femina var. cyclosorum Edward Lee 1934-8-13 1074 Siskiyou Happy Camp to Waldo (Oregon) Rd; Klamath Nat'l Forest, watershed West Branch Indian Creek 1371 Comment
  JEPS93959  Atriplex rosea Vernon H. Oswald and Lowell Ahart 1998-9-16 9652 Siskiyou 2 mi s of Highway 161 (Return leg of the Tour Route at Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge 1243 Comment
  UCR64451  Atriplex rosea L. C. Wheeler 1934-10-21 03339 Siskiyou Shasta Valley, 8 mi NE of Gazelle 869 Comment
  SEINET516139  Atriplex rosea Vernon H. Oswald 1998-9-16 9652 Siskiyou Return leg of the Tour Route at Lower Klamath NWR ca. 2 mi south of Hwy. 161. 1244 Comment
  CDA10485  Balsamorhiza hookeri F. D. Horn 1978-4-27 Siskiyou End of Litchens Road, Montague. 0 Comment
  JEPS95668  Balsamorhiza lanata Vernon H. Oswald and L. Ahart 1999-7-5 9811 Siskiyou Gazelle Mtn. on road 41N03 0.6 mi southeast of Gazelle-Callahan Hwy.: T41N R7W Sect. 3, 5000 ft, yellow pine forest, serpentine substrate 1524 Comment
  CHSC118187  Balsamorhiza lanata Sarah Tona 2015-6-9 3 Siskiyou Along the west side of Old Highway 99, 1.8 miles south of Gazelle. Coordinates: 44.494926, -122.510921 WGS84. 876 Comment
  CAS-BOT-BC100105  Balsamorhiza sagittata Elmer I. Applegate 1935-6-6 9383 Siskiyou Indian Well, Lava Beds National Monument Comment
  JEPS25644  Barbarea orthoceras Rimo Bacigalupi with Mr. and Mrs. Van Deventer of Fort Dick 1959-7-9 7284 Siskiyou Edges of meadow at Poker Flat 1536 Comment
  CAS-BOT-BC16805  Barbarea verna Mrs. H. C. Cantelow 1939-6-10 2584 Siskiyou 22.4 miles southwest of McCloud on road to Burney. Comment
  SD73172  Bassia hyssopifolia Darley F. Howe 1969-8-31 Siskiyou 4.5 miles south of Dorris on highway 97. 1220 Comment
  RSA120816  Beckmannia syzigachne G. D. Barbe 1955-7-5 107 Siskiyou At eastern limit of Greenview on road to Fort Jones; south side of road. 884 Comment
  CDA24388  Berberis aquifolium T. C. Fuller 1962-8-3 9521 Siskiyou Siskiyou Mountains; Slope above Salt Gulch, Horse Creek. 0 Comment
  HSC67762  Berberis aquifolium var. repens John Palmer 1980-8-15 973 Siskiyou NE of Seiad Low Gap on spur of F.S. Rd. 46N50 1098 Comment
  HSC5004  Berberis nervosa J. O. Sawyer 1968-7-10 505 Siskiyou On Sugar Creek just above confluence with S Sugar Creek 1707 Comment
  JEPS86077  Berberis nervosa Wayne Roderick 1966-6-26 Siskiyou Cook and Green Pass area 1371 Comment
  CAS-BOT-BC75920  Berberis piperiana Doris K. Kildale 1929-5-11 7714 Siskiyou Cecilville upper South Fork of Salmon River. Comment
  CAS-BOT-BC75929  Berberis piperiana Louis C. Wheeler 1934-6-15 2716 Siskiyou Hungry Creek. Siskiyou Mountains. 1280 Comment
  CAS-BOT-BC75941  Berberis piperiana P. C. Everett; E. K. Balls 1954-10-12 20271 Siskiyou Beaver Creek from Dutch Creek south 0.5 mile north of Walker. 548 Comment
  CAS-BOT-BC75946  Berberis piperiana Lewis S. Rose 1945-6-18 45082 Siskiyou Horse Creek and Klamath River. 502 Comment
  CDA34722  Berula erecta L. Ahart, John Dittes 2010-7-3 16934 Siskiyou Along the west edge 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. Comment
  CAS-BOT-BC169478  Betula occidentalis Wm. Bridge Cooke 1940-7-12 15328 Siskiyou A small grove grows in a swamp near the Mount Shasta High School, Mount Shasta 1097 Comment
  HSC42937  Bidens frondosa Ken Stillman 1976-8-24 437 Siskiyou Along the Klamath River at Williams Point 366 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
  CAS-BOT-BC127902  Blepharipappus scaber Louis C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek, Siskiyou Mts. 914 Comment
  CAS-BOT-BC127903  Blepharipappus scaber Louis C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek, Siskiyou Mts. 914 Comment
  CAS-BOT-BC127944  Blepharipappus scaber Dorothy Parker 1948-5-16 s.n. Siskiyou east side of Scott Valley 914 Comment
  CAS-BOT-BC127926  Blepharipappus scaber John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53444 Siskiyou Open serpentine slope 7 miles east of Callahan on road to Gazelle 1173 Comment
  POM351061  Blepharipappus scaber L. C. Wheeler 1935-6-9 3553 Siskiyou Yreka Creek, Siskiyou Mountains. 1220 Comment
  RSA120894  Blepharipappus scaber Milo S. Baker 1957-6-16 13125 Siskiyou Scott Mountain. 1616 Comment
  CDA10531  Blepharipappus scaber subsp. laevis F. D. Horn 1977-6-8 Siskiyou Weed Airport, north of Weed. 0 Comment
  CAS-BOT-BC16872  Boechera R. C. Wenk 2005-7-19 329 Siskiyou Along Pacific Crest Trail, near top of pass below Mount Eddy. 2438 Comment
  SEINET3166348  Boechera breweri subsp. shastaensis P. J. Alexander, C. D. Bailey 2009-4-2 980 -B Siskiyou East side of the Shasta River, E side of CA Hwy. 263, 4.2 miles NNE of central Yreka, 3.2 miles S of the jct. with CA Hwy. 96. 738 Comment
  CAS-BOT-BC13812  Boechera howellii John Thomas Howell 1937-7-26 13539 Siskiyou Caribou Mountain. 2438 Comment
  CAS-BOT-BC14272  Boechera pinetorum John Thomas Howell 1937-7-29 13675 Siskiyou North slope of Scott Mountains. 1676 Comment
  CAS-BOT-BC14674  Boechera rectissima A. A. Heller 1916-6-23 12421 Siskiyou Near Black Butte north of Sisson. 1127 Comment
  UC726668  Boechera rectissima A. A. Heller 1916-6-23 12421 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  CAS-BOT-BC14709  Boechera repanda John Thomas Howell 1937-7-23 13374 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  JEPS53078  Boechera retrofracta Harley P. Chandler Jun 1901 1621 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  UC722114  Boechera retrofracta C. L. Hitchcock and J. S. Martin 1939-7-9 5308 Siskiyou near Marble Mt. (Kings Castle) (n side of Black Mt.); Black Mt. 2072 Comment
  SEINET12627115 Image available Boechera sparsiflora Martin Schilling 2013-1 MS 337 Siskiyou On Klamath River Rd, off hwy 96 at Ash Creek bridge, ca 1.9 air mi W from bridge, 1.45 air mi N of Garvey Gulch, on rocky roadside 615 Comment
  CHSC88370  Bolboschoenus maritimus subsp. paludosus Jenny Marr 1993-7-1 176 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC418454  Boykinia major Doris K. Kildale 1928-8-18 6497 Siskiyou Lead at North Fork of Salmon River at Finley's Upper Camp Comment
  JEPS74518  Boykinia major W. J. Ferlatte 1966-8-3 289 Siskiyou Josephine Lake Basin; Trinity Alps, Josephine Lake basin 1676 Comment
  SJSU6512  Boykinia major R. W. Trivelpiece 1972-6-15 115 .5 Siskiyou Vann Cr near Bear Peak c. 15 mi SW of Happy Camp 1280 Comment
  CAS-BOT-BC418420  Boykinia occidentalis Doris K. Kildale 1928-8-1 6188 Siskiyou 1/2 miles north of Brookings Comment
  SEINET10570598  Brodiaea capitata George D. Butler 1910-4-17 Butler 1192 Siskiyou Dry hills near Yreka Comment
  UC375188  Brodiaea elegans subsp. elegans Geo. D. Butler 1908-6-28 Siskiyou flats Oro Fino Comment
  CAS-BOT-BC149495  Bromus briziformis A. A. Heller 1905-6-20 8075 Siskiyou Shasta Valley. Gazelle. Comment
  RSA602812  Bromus carinatus L. C. Wheeler 1935-6-4 3548 Siskiyou Etna, Scott Valley 899 Comment
  UCD58304  Bromus carinatus A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3413 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  UC1130981  Bromus carinatus var. carinatus H. S. Yates 1936-6-21 5832 Siskiyou 1 mi w of Signal Butte 1341 Comment
  UC70745  Bromus carinatus var. carinatus T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou in the Scott River Valley Scott River Valley Comment
  UCD59193  Bromus carinatus var. marginatus Geo. D. Butler Date Unknown 844 Siskiyou Near Yreka. Comment
  POM211399  Bromus commutatus L. C. Wheeler 1934-6-22 2748 Siskiyou Siskiyou Mts., Cottonwood Creek. 915 Comment
  HSC103031  Bromus diandrus J. P. Smith 2014-6-7 13889 Siskiyou Yreka 844 Comment
  JEPS69204  Bromus hordeaceus Geo. D. Butler 1909-5-26 817 Siskiyou along road near Yreka Comment
  UCD58758  Bromus hordeaceus August L. Hormay 1932-4-20 s.n. Siskiyou Brownwell. Comment
  HSC43062  Bromus inermis K. T. Stillman 1976-8-31 454 Siskiyou E and N sides of Williams Point 366 Comment
  CHSC71513  Bromus japonicus Vernon H. Oswald; Lowell Ahart 1998-7-21 9326 Siskiyou Hwy. 97 between Weed and Macdoel at the west end of Grass Lake. Along the edge of a meadow. 1524 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
  HSC22858  Bromus orcuttianus J. O. Sawyer 1969-6-12 909 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  HSC30542  Bromus orcuttianus Frederick W. Oettinger 1969-8-16 1392 Siskiyou Near English Lake, Salmon Mountains 1707 Comment
  HSC42894  Bromus orcuttianus Ken Stillman 1976-8-15 410 Siskiyou Clearcut at junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  UC166002  Bromus racemosus Geo. D. Butler 1909-5-21 817 Siskiyou near Yreka Comment
  NY664638  Bromus tectorum A. A. Heller 1916-6-20 12405 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188.7 Comment
  UC144810  Bromus tectorum A. A. Heller 1905-6-9 8012 Siskiyou Montague Comment
  UC204737  Bromus tectorum Geo. D. Butler 1908-6-25 475 Siskiyou near Yreka Comment
  UC70706  Bromus tectorum Jos. Burtt Davy 1902-6-15 Siskiyou Sisson Comment
  CAS-BOT-BC185381  Bromus vulgaris John Thomas Howell 1939-8-5 15067 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  UCD60239  Bromus vulgaris Robert E. Preston 2001-7-20 1688 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, north slope of Rainbow Mountain, N of Hemlock Lake. 1731 Comment
  RSA238384  Calamagrostis canadensis Frederick W. Oettinger 1969-9-4 1653 Siskiyou Below Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC166502  Calamagrostis koelerioides Geo. D. Butler 1910-7-12 1746 Siskiyou Shackleford Creek 1371 Comment
  CAS-BOT-BC112322  Calliscirpus criniger Doris K. Kildale 1929-7-21 8739 Siskiyou Elk Lick, South Fork of Indian Creek 1219 Comment
  CAS-BOT-BC112323  Calliscirpus criniger Doris K. Kildale 1928-7-1 5333 Siskiyou Forks of Salmon. 152 Comment
  CHSC96430  Calliscirpus criniger Gordon Leppig 1997-7-25 586 Siskiyou Klamath National Forest. Russian Wilderness, Little Duck Lake Fen. In cirque west of Little Duck Lake. UTM Zone 10, 503813E, 4572466N. 2200 Comment
  CAS-BOT-BC85734  Calocedrus decurrens A. A. Heller 1915-8-26 12254 Siskiyou Metcalf's ranch at the foot of Mt. Eddy 1188 Comment
  HSC68573  Calocedrus decurrens Maralyn A. Renner 1980-6-23 975 Siskiyou W Fork Seiad Creek 878 Comment
  RSA184686  Calocedrus decurrens Gilbert Muth 1966-8-3 495 Siskiyou Marble Valley Meadow, Marble Mtns. 1793 Comment
  UC1076355  Calocedrus decurrens D. Tebbe 1930-3-28 60 Siskiyou near Weed Comment
  CAS-BOT-BC85742  Calocedrus decurrens W. R. Dudley 1905-8-1 s.n. Siskiyou Sacramento below wood and Sheldon's Mill Comment
  CHSC67725  Calochortus longebarbatus J. D. Jokerst 1983-7-21 1864 Siskiyou At Wiley Ranch. Comment
  CHSC71511  Calochortus macrocarpus Vernon H. Oswald; Lowell Ahart 1998-7-21 9321 Siskiyou Hwy. 97 at the 11.0 mi mile marker 1.2 mi west of A12 northeast of Weed. 1188 Comment
  HSC583  Calochortus nudus William J. Ferlatte 1967-6-30 587 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  UC1408792  Calochortus nudus F. W. Oettinger 1969-7-25 Siskiyou ca 15 air mi sw Weed (near Kangaroo Lake Campground); Shasta-Trinity National Forest, Scott Mts. Comment
  HSC44855  Calochortus tolmiei J. P. Smith 1973-5-5 6538 Siskiyou Scott Bar along the Scott River Comment
  CAS-BOT-BC494021  Calochortus tolmiei Doris K. Kildale 1928-4-14 4596 Siskiyou Klamath River at Somes Bar Comment
  JEPS80502  Caltha biflora Gilbert Muth 1966-7-8 352 Siskiyou Marble Valley, Marble Mt. Wilderness Area. 1792 Comment
  CAS-BOT-BC181519  Caltha leptosepala Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  RSA14483  Calycadenia ciliosa Elmer I. Applegate 1923-9-10 3983 Siskiyou Mouth of Salmon River, Klamath River Comment
  UC134365  Calycadenia truncata Dr. E. B. Copeland 1903-7-4 3547 Siskiyou Klamathon Comment
  HSC22850  Calyptridium monospermum J. O. Sawyer 1969-7-2 1000 Siskiyou E of Twin Lakes 2195 Comment
  SEINET7126172  Calystegia occidentalis G. D. Butler 1910-5-23 1397 Siskiyou Humbug mountain 1067 Comment
  HSC27110  Calystegia occidentalis subsp. occidentalis Carl W. Mize 1972-6-8 26 Siskiyou Along main trail 335 Comment
  SEINET3992092  Camassia quamash Unknown 1940-5-15 1224 Siskiyou Bull Meadows, Goosenest Mountain 1524 Comment
  JEPS11747  Campanula prenanthoides Geo. D. Butler 1908-7-20 37 Siskiyou near Yreka; Head of Long Gulch Comment
  JEPS74475  Campanula prenanthoides W. J. Ferlatte 1966-8-3 267 Siskiyou between the campground and Carter's (along the South Fork of the Salmon River); Trinity Alps, South Fork of the Salmon River 1524 Comment
  SEINET10462935  Campanula prenanthoides Clifton 1979-6-26 CLIFTON 5960 Siskiyou NR MERRILL CR., FORKS OF SALMON QUAD. NR ORLEANS 1152', COBBLY SOIL Comment
  SEINET10840322  Campanula prenanthoides Muth 1976-7-29 MUTH s.n. Siskiyou Near Kuntz Creek, on the Seiad Valley Quadrangle; close to the town of Seiad Valley 1829 Comment
  UC164334  Campanula prenanthoides Geo. D. Butler 1910-8-7 1815 Siskiyou Humbug Mountain 1219 Comment
  UC29014  Campanula prenanthoides Milo S. Baker 1893-6 Siskiyou 6 mi below Barthes; McCloud River Comment
  JEPS60248  Campanula prenanthoides L. R. Heckard with L. Constance and R. Ornduff 1969-7-25 2313 Siskiyou near Fall Creek Inn (along Gilman Road, between the Sacramento and McCloud arms of Shasta Lake); Shasta Lake 396 Comment
  SEINET10462923  Campanula prenanthoides Cooke 1940-7-12 COOKE 15307 Siskiyou NR RD IN BOX CNYN OF SACRAMENTO R NR MT SHASTA CITY 3000 Comment
  SEINET10463065  Campanula prenanthoides Van Deventer VAN DEVENTER s.n. Siskiyou PRESTON PEAK QUAD, YOUNGS VALLEY. T17N R5E SECS 9, 10 & 16 Comment
  UC70377  Campanula rotundifolia Milo S. Baker 1899-7-31 Siskiyou E slope of Mt Shasta, on Ash Creek Comment
  UC890554  Campanula rotundifolia John Thomas Howell 1939-8-4 15046 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  SEINET10463787  Campanula scouleri Clifton 1975-7-29 CLIFTON s.n. Siskiyou Near Copper Butte; Seiad Valley quadrangle near Seiad Valley 1414 Comment
  SEINET10463793  Campanula scouleri Holt 1932-7-13 Holt s.n. Siskiyou Nixon's Camp, Mount Shasta 671 Comment
  SEINET10905940  Campanula scouleri Hemphill 1970-7-5 HEMPHILL s.n. Siskiyou BUCK LAKE 1311 Comment
  CAS-BOT-BC266464  Campanula wilkinsiana W. B. C. 1939-8-24 13894 Siskiyou Mount Shasta. Along the creeks in Squaw Creek meadows Comment
  SEINET10463892  Campanula wilkinsiana Alice Eastwood 1912-9-1 Eastwood 2063 Siskiyou Mount Shasta Comment
  UC375295  Capsella bursa-pastoris Geo. D. Butler 1909-2-26 577 Siskiyou Yreka Comment
  HSC63072  Cardamine californica David Wheeler 1979-4-1 8 Siskiyou Matthews Creek Campground, S Fork of the Salmon River, between Cecilville and Forks of Salmon Comment
  HSC47620  Cardaria draba J. P. Smith 1977-5-15 9069 Siskiyou Yreka Comment
  HSC29660  Carex abrupta Frederick W. Oettinger, R. F. Thorne 1969-8-6 1260 Siskiyou Marble Mtn. Wilderness Area, lower pond, Tom's Lake 1951 Comment
  HSC76853  Carex amplifolia L. P. Janeway 1982-6-22 20 Siskiyou Next to creek 15 m below road from West Branch Guard Station towards Indian Creek 671 Comment
  CHSC62793  Carex angustata L. P. Janeway 1993-8-30 4561 Siskiyou West side of Cedar Lake; head of South Fork Sacramento River. 1741 Comment
  CAS-BOT-BC17964  Carex angustata W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow near Sissons. Comment
  CHSC40184  Carex aquatilis var. aquatilis L. P. Janeway 1982-8-21 167 Siskiyou From the upper Twin Valley meadow. 1584 Comment
  HSC79089  Carex aquatilis var. dives L. P. Janeway 1983-8-16 552 Siskiyou Poker Flat: slope between upper & lower parts of meadow. 1524 Comment
  UC195519  Carex athrostachya Geo. D. Butler 1909-6-22 854 Siskiyou Goosenest foothills Comment
  JEPS84062  Carex aurea L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6379 Siskiyou 7 mi nne of Seiad Valley (w of Cook and Green Pass, 1.5 mi e of Red Butte Summit) 1900 Comment
  SEINET8258306  Carex aurea Elmer I. Applegate 1895-5-28 779 Siskiyou Sisson, Strawberry Valley, Siskiyou County Comment
  CAS-BOT-BC34157  Carex breweri Robert F. Thorne; Frederick W. Oettinger 1969-8-10 38982 Siskiyou Mt. Shasta National Forest. S slope of Mt. Shasta. 2438 Comment
  JEPS125994  Carex buxbaumii D. W. Taylor, G. Clifton 1996-7-27 15856 Siskiyou Shasta-Trinity National Forest; Cliff Lake, The Eddys, about 15 air miles SW of Weed. Comment
  CAS-BOT-BC34381  Carex cusickii Elmer I. Applegate 1895-5-28 781 Siskiyou Sisson, Strawberry Valley. Comment
  UC1265330  Carex deweyana subsp. leptopoda Frederick W. Oettinger and R. F. Thorne 1969-8-6 1245 Siskiyou vicinity of English Peak (Pine Lake Basin); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  CHSC98367  Carex echinata subsp. echinata Thomas W. Nelson; Jane P. Nelson 1984-7-28 7708 Siskiyou North Coast Ranges. Bog along west side of Gumboot Lake in woods. 1859 Comment
  HSC63480  Carex echinata subsp. echinata M. A. Baker 1979-7-31 1090 Siskiyou Marble Mtn. Wilderness Area, head of Tickner Hole 1750 Comment
  JEPS84066  Carex echinata subsp. echinata L. R. Heckard with J. Hickman 1986-7-16 6444 Siskiyou se Red Butte (ca. 5 mi n of the town of Seiad Valley); Lily Pad Lake 1770 Comment
  UC642580  Carex fracta W. Bridge Cooke 1939-7-7 13621 Siskiyou Wagon Camp Mount Shasta 1737 Comment
  SEINET10652997  Carex gigas Thomas W. Nelson, Jane P. Nelson; James P. Smith 1978-7-24 Nelson 4544 Siskiyou Siskiyou-Trinity County line. China Mountain Quad. T39N, R7W, Sec. 5. Bog at head of Scott Mountain Creek south of Forest Service Campground. 1646 Comment
  CHSC106461  Carex hassei Peter F. Zika 2009-6-18 24535 Siskiyou Klamath Range (KR). Near Pacific Crest Trail, Route 3, Scott Mountain Summit. 1640 Comment
  SEINET12578598  Carex hoodii M. L. Conrad, Dunn; Kenney 1973-6-2 6986 Siskiyou 17.4 miles northeast of Cecilville Store, on road to Callahan.; 0 2073 Comment
  HSC59014  Carex integra Marvin Butler 1971-7-7 40 Siskiyou Near Porcupine Meadow, close to the town of Cave Junction 2073 Comment
  HSC76846  Carex integra L. P. Janeway 1982-8-13 129 Siskiyou 50 m from SW edge of Bear Lake 1829 Comment
  CAS-BOT-BC35476  Carex jonesii A. A. Heller 1922-7-15 13708 Siskiyou Medicine Lake 2133 Comment
  CHSC40203  Carex jonesii L. P. Janeway 1983-8-6 511 Siskiyou At Poker Flat. 1524 Comment
  CAS-BOT-BC7578  Carex laeviculmis Doris K. Kildale 1928-8-19 6521 Siskiyou English Lake, head of north Fork of Salmon River Comment
  JEPS109226  Carex lemmonii D. W. Taylor 2005-8-18 19477 Siskiyou Dry Creek Peak, cirque on north face at headwaters Antelope Creek, ca 12 air miles NE of the summit of Mt. Shasta. Comment
  HSC76371  Carex lenticularis var. impressa L. P. Janeway 1982-8-13 123 Siskiyou Springy bench above and on NE side of Bear Creek, along the trail 1616 Comment
  HSC29668  Carex leptopoda Frederick W. Oettinger, R. F. Thorne 1969-8-6 1245 Siskiyou Marble Mtn. Wilderness Area, High Lake Basins, Pine Lake Basin 1829 Comment
  HSC91401  Carex luzulina Jennifer Whipple 1977-8-5 2167 Siskiyou Mt. Eddy, Wagon Creek drainage near Wagon Creek 2287 Comment
  HSC96550  Carex luzulina Gordon Leppig, J. Kalt 1996-7-9 354 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  JEPS104820  Carex luzulina var. ablata Dean W. Taylor 1996-7-11 15785 Siskiyou Scott Mountains; West Fork Parks Creek (about 15 air miles west of Weed & 1 air mile west of Stewart Springs); Shasta Trinity National Forests 1328 Comment
  CAS-BOT-BC31622  Carex luzulina var. luzulina J. M. Tucker 1950-7-23 1944 Siskiyou Panther Meadows, south slope of Mt. Shasta. 2407 Comment
  SEINET7566760 Image available Carex mariposana Frederick W. Oettinger 1968-9-8 733 Siskiyou High Lake Basin in the vicinity of English Peak, Marble Mountains Wilderness Area. Area of late snow-hold, southeast of Tom's Lake. 2149 Comment
  CHSC109970  Carex multicaulis Peter F. Zika; Julie Nelson 2012-6-21 25903 Siskiyou South Fork Willow Creek, 8.4 air km NE of Gazelle Mountain, Shasta-Trinity National Forest. Klamath Range (KR). 1145 Comment
  HSC42949  Carex multicaulis J. O. Sawyer, K. T. Stillman 1976-7-1 2770 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  HSC37184  Carex multicaulis J. O. Sawyer 1968-6-25 298 Siskiyou 1646 Comment
  HSC33315  Carex multicostata William J. Ferlatte 1974-7-26 1599 Siskiyou Big Flat, near South Fork of Salmon River, S of campground on W side of river 1524 Comment
  UC642550  Carex nebrascensis J. W. Stacey 1939-6-23 13502 Siskiyou near Municipal Spring (above Howard); Mount Shasta Comment
  CAS-BOT-BC119898  Carex nebrascensis J. W. Stacey 1939-6-23 13502 Siskiyou In wet place in abandoned roadway near the Municipal Spring above Howard. 1280 Comment
  CAS-BOT-BC119474  Carex nudata L. B. Kildale 1930-5-31 9808 Siskiyou Island in Klamath River near Hornbrook. Comment
  SEINET8351534  Carex nudata Barbara Wilson 1994-5-27 6919 Siskiyou Rogue River National Forest; near parking areas of the New London Trailhead, between Road 1050 (Elliot Creek Road) and the creek. Comment
  CHSC82750  Carex pachystachya L. P. Janeway 2002-7-13 7637 Siskiyou High Cascade Range. 1.6 km southeast of southeast corner of Medicine Lake; east side of Road 49 (44N75) 0.2 km north of Road 44N17. 2067 Comment
  CAS-BOT-BC119129  Carex phaeocephala P. M. Kamb 1949-8-25 1498 Siskiyou SW slope of Mt. Shasta, above Horse Camp 3169 Comment
  CAS-BOT-BC119130  Carex phaeocephala William J. Ferlatte 1967-8-21 1077 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake 2286 Comment
  CHSC102573  Carex phaeocephala L. P. Janeway 2009-8-4 9899 Siskiyou High Cascade Range. Mt. Shasta, north slope, 3.7 air km south-southwest of Northgate Trailhead along a small creeklet. 2783 Comment
  CHSC114399  Carex praegracilis G. D. Barbe; J. T. Howel, T. C. Fuller 1980-4-28 2593 Siskiyou 2.5 miles south of Grenada Station between old highway and railroad right-of-way, Grenada, Siskiyou County. 792 Comment
  SEINET10708792  Carex praegracilis Louis C. Wheeler 1935-6-30 Wheeler 3633 Siskiyou Dry subsaline adobe flat. 3 mi. S. Grenada, Shasta Valley. 792 Comment
  CAS-BOT-BC118776  Carex preslii John Thomas Howell 1937-7-29 13674 Siskiyou North side of Scott Mt. Comment
  CAS-BOT-BC118780  Carex preslii John Thomas Howell 1939-8-8 15157 Siskiyou Black Mt. Marble Mts. Comment
  CAS-BOT-BC118214  Carex rossii L. P. Janeway 1983-8-27 621 Siskiyou Preston Peak quad, Along the Twin Valley-Poker Flat trail. 1676 Comment
  HSC39301  Carex rostrata J. O. Sawyer 1969-7-12 1347 Siskiyou Edge of Sugar Lake 1799 Comment
  CAS-BOT-BC117910  Carex scabriuscula G. Douglas Barbe 1955-7-28 301 Siskiyou Small, moist meadow just W of Scott Mtn. Forest Camp, near Trinity County line. 1615 Comment
  HSC71110  Carex scabriuscula Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4499 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 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
  JEPS121651  Carex scabriuscula Danielle Roach 2011-9-15 Siskiyou Tamarack Flat, north of Mt. Eddy. Flat meadow on ultramafic soil. South China Mountain quadrangle. TF1_B Comment
  HSC30528  Carex scopulorum Frederick W. Oettinger 1969-8-19 1455 Siskiyou Marble Mtn. Wilderness Area, Abbott's Basin 1905 Comment
  HSC91264  Carex scopulorum Jennifer Whipple 1977-8-6 2213 Siskiyou Mt. Eddy, SW of Dobkins Lake along drainage into the lake 2195 Comment
  CAS-BOT-BC28344  Carex scopulorum var. bracteosa John Thomas Howell 1939-8-10 15281 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CHSC40201  Carex scopulorum var. bracteosa L. P. Janeway 1983-8-6 509 Siskiyou At Poker Flat. Dampish part of e arm of meadow. 1524 Comment
  SEINET7575051 Image available Carex scopulorum var. bracteosa Ray Tallent 1987-8-12 906 Siskiyou Klamath National Forest, Long Gulch Lake. 1939 Comment
  CAS-BOT-BC117242  Carex spectabilis Ira L. Wiggins 1955-7-27 13549 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area. 2042 Comment
  HSC39292  Carex spectabilis J. O. Sawyer 1969-8-2 1720 Siskiyou E facing slope SW of Little Duck Lake 2241 Comment
  JEPS25939  Carex spectabilis B. C. Goldsmith 1916-9-29 28 a Siskiyou Medicine Lake Comment
  UC1108382  Carex spectabilis Philip A. Munz 1960-8-22 24177 Siskiyou Panther Meadows Mt. Shasta 2316 Comment
  CAS-BOT-BC117243  Carex spectabilis W. R. Dudley 1901-8-23 s.n. Siskiyou First Canyon N of Caribou Peak. Comment
  HSC61965  Carex spectabilis Al Hobart 13 Aug [year missing] Siskiyou Preston Peak 2073 Comment
  SEINET7575753 Image available Carex spectabilis Frederick W. Oettinger 1969-8-19 1439 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area, meadow southeast of Arrow Peak and north of English Peak. Comment
  UC725961  Carex stipata var. stipata A. A. Heller 1925-7-13 13897 Siskiyou College Camp Comment
  UC836013  Carex straminiformis John Thomas Howell 1939-8-2 14908 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  CAS-BOT-BC115842  Carex subfusca W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow. Comment
  UC1409390  Cassiope mertensiana subsp. ciliolata Frederick W. Oettinger 1969-7-28 1083 Siskiyou near in let stream, Little Hancock Lake 2042 Comment
  HSC604  Castilleja applegatei subsp. pinetorum William J. Ferlatte 1967-7-26 751 Siskiyou Caribou Basin, Sawtooth Ridge 2287 Comment
  JEPS16626  Castilleja applegatei subsp. pinetorum Douglas Barbe 1955-7-28 311 Siskiyou 1 mi w Scott Mt. Camp (near the Siskiyou-Trinity County line); Klamath Mountains 1676 Comment
  JEPS29122  Castilleja applegatei subsp. pinetorum Lauramay T. Dempster 1961-7-1 1822 Siskiyou along ridge from Condry Peak to White Mountain Comment
  JEPS84007  Castilleja applegatei subsp. pinetorum L. R. Heckard with J. Hickman et al. 1986-7-17 6506 Siskiyou e of Condrey Mt. (slopes of Alex Hole); slopes of Alex Hole 1890 Comment
  UC454838  Castilleja applegatei subsp. pinetorum I. J. Condit 1911-7-7 Siskiyou Shasta Retreat 1066 Comment
  CAS-BOT-BC243752  Castilleja applegatei var. pinetorum Doris K. Kildale 1929-6-22 8036 Siskiyou WEst base of Black Butte near Mt. Shasta Comment
  CAS-BOT-BC243753  Castilleja applegatei var. pinetorum David D. Keck 1938-8-8 4873 Siskiyou At Trinity Co. line, Scott Mountain Divide, between Scott Mtn. and Craggy Peak 1676 Comment
  HSC97800  Castilleja arachnoidea Thomas W. Nelson, Shauna Hee 2006-8-4 9475 Siskiyou Scott Mtn. Pass, along ridge between Carmen Lake, Hwy. 3, ridge S of junction of FS Rds. 40N08 and 44N44 1671 Comment
  UC922479  Castilleja arachnoidea Annie M. Alexander and Louise Kellogg 1949-7-20 5813 Siskiyou n of Paradise Lake; Marble Mountains 1920 Comment
  RSA80047  Castilleja arachnoidea subsp. schizotricha J. T. Howell 1939-8-4 15043 Siskiyou Marble Rim, Marble Mts 1890 Comment
  CAS-BOT-BC254008  Castilleja miniata Doris K. Kildale 1929-7-20 8722 Siskiyou Raspberry Lake, South Fork Indian Creek 1676 Comment
  CAS-BOT-BC254016  Castilleja miniata Alice Eastwood 1921-7-25 10835 Siskiyou Bigelows, McCloud River Comment
  CAS-BOT-BC254109  Castilleja miniata Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Skyhigh Lake Comment
  HSC19255  Castilleja miniata J. O. Sawyer 1969-8-1 1651 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC69304  Castilleja miniata Maralyn A. Renner 1980-7-24 1985 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  HSC70885  Castilleja miniata J. M. DiTomaso 1980-8-26 1915 Siskiyou Panther Meadow, 15 mi. NE of Mt. Shasta City 2134 Comment
  JEPS3904  Castilleja miniata W. L. Jepson 1894-8-4 21469 Siskiyou Mount Shasta Comment
  CAS-BOT-BC26228  Castilleja pratensis A. A. Heller 1905-6-20 8079 Siskiyou Gazelle Comment
  JEPS26523  Castilleja pruinosa Lauramay T. Dempster 1961-7-2 1860 Siskiyou sw of Etna (ridge w of Salmon Mountain Summit) 1828 Comment
  UCD123043  Castilleja pruinosa J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3752 Siskiyou Southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2133 Comment
  CAS-BOT-BC241088  Castilleja schizotricha John Thomas Howell 1939-8-8 15182 Siskiyou Black Mts., Marble Mts. Comment
  CHSC1700  Castilleja schizotricha V. Holt 1943-8-9 Siskiyou Marble mountains. 1828 Comment
  SD42409  Ceanothus cordulatus Carl B. Wolf 1941-7-25 11072 Siskiyou 2 Mi. E. McCloud on Calif. Highway #89 1219 Comment
  SEINET13945833 Image available Ceanothus cuneatus F. G. Meyer 1938-1 1328 a Siskiyou On open slopes, 20 miles N of Redding Comment
  CAS-BOT-BC50247  Ceanothus integerrimus Doris K. Kildale 1929-7-20 8656 Siskiyou trail up South Fork Indian Creek to Elk Lick Comment
  JEPS24612  Ceanothus integerrimus Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6765 Siskiyou along S.P. (Shasta Route) (rr grade in upper Sacramento River Canyon, in 1.5 mi stretch betw Shasta Retreat (at n outskirts of Dunsmuir) to Mossbrae Falls and Shasta Springs) 731 Comment
  LA43618  Ceanothus integerrimus W. B. C.; 1940-6-6 15030 Siskiyou along Castle Lake rd. in brush fields about 0.5 way from Box Canyon to the Lake Comment
  CAS-BOT-BC50686  Ceanothus integerrimus var. macrothyrsus Geo. D. Butler 1910-8-7 1819 Siskiyou Humbug Mountain 1219 Comment
  RSA25704  Ceanothus integerrimus var. macrothyrsus Carl B. Wolf 1941-7-26 11079 Siskiyou Sacramento River Canyon, 1 mile below Dunsmuir. 671 Comment
  RSA399889  Ceanothus integerrimus var. peduncularis M. B. Dunkle 1944-7-7 9075 Siskiyou Deer Creek. 1768 Comment
  CAS-BOT-BC51170  Ceanothus leucodermis C. G. Pringle August 13 s.n. Siskiyou unspecified 914 Comment
  CAS-BOT-BC53086  Ceanothus prostratus W. R. Dudley 1899-8-10 s.n. Siskiyou Near Sisson Comment
  JEPS42175  Ceanothus prostratus W. L. Jepson 1940-7-1 20074 Siskiyou 6 mi e McCloud (Fowlers Camp); McCloud River 944 Comment
  UC164315  Ceanothus prostratus Geo. D. Butler 1910-5-10 1317 Siskiyou Goosenest foothills 1524 Comment
  SBBG16537  Ceanothus prostratus var. prostratus D. Myrick 1961-6-20 268 Siskiyou near Mt Shasta City 1066 Comment
  CAS-BOT-BC63151  Ceanothus velutinus Alice Eastwood 1912-9-1 2067 Siskiyou Mount Shasta. Comment
  HSC18345  Ceanothus velutinus D. M. Thomson 1965-6-11 77 Siskiyou Lava Beds National Monument, Tichnor Rd. 1.0 mi. from Medicine Lake Rd. Comment
  HSC99930  Ceanothus velutinus J. P. Smith, & J. O. Sawyer 2011-7-31 13348 Siskiyou Sugar Creek Trail W of Callahan 1463 Comment
  CAS-BOT-BC63155  Ceanothus velutinus W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox. Comment
  CDA35603  Ceanothus velutinus T. C. Fuller 1962-6-13 8992 Siskiyou Road to Medicine Lake, 3.2 miles north of Bartle. 0 Comment
  CAS-BOT-BC52847  Ceanothus velutinus var. velutinus C. B. Wolf 1931-9-8 1269 Siskiyou 1 mile west of Summit of Grade on road from mt. Shasta City to McCloud 1219 Comment
  CHSC3220  Centaurea cyanus Gerry Carrauthers 1966-5-14 165 Siskiyou 4 mi. N.W. of Callahan. Comment
  CAS-BOT-BC272122  Centaurea cyanus John H. Thomas 1969-9-7 15467 Siskiyou Near railroad tracks, McCloud Comment
  CAS-BOT-BC272123  Centaurea cyanus Alice Eastwood 1912-7-22 1303 Siskiyou Sisson Comment
  RSA190692  Centaurea diffusa T. C. Fuller 1967-8-15 16262 Siskiyou 3 roadside plants, W side of Hwy 97 to weed, 3 miles S of Macdoel, Butte Valley Comment
  RSA190715  Centaurea maculosa T. C. Fuller 1967-8-15 16263 Siskiyou Roadside, N side of Hwy 97 (Weed to Macdoel), W of R.R. spur at Grass Lake Comment
  RSA190721  Centaurea maculosa T. C. Fuller 1967-8-15 16261 Siskiyou West side of Hwy. 97 to Weed, 3 miles south of Macdoel, Butte Valley Comment
  HSC67015  Centaurea solstitialis J. P. Smith, Steve Selva 1970-7-16 4403 Siskiyou 1 mi. E of O'Neill Campground 579 Comment
  UCD108105  Centaurea solstitialis Steve Orloff 2011-9-1 SPK 471141 S1-D Siskiyou Collins Baldy. Mountains of S. Klamath River in the Klamath River area. Comment
  CDA37898  Centaurea squarrosa J. L. Johnson 1980-7-1 s.n. Siskiyou Hawkinsville. 0 Comment
  UCD130114  Centaurea stoebe subsp. micranthos T. C. Fuller 1963-8-26 11155 b Siskiyou W. H. Kerr, Flying K Ranch, upper Quartz Valley, 2 miles south of Mugginsville. Comment
  UC165423  Centromadia pungens subsp. pungens Geo. D. Butler 1910-8-18 1840 Siskiyou Shasta Valley Comment
  UC1045260  Cephalanthera austiniae W. Bridge Cooke 1940-7-5 15226 Siskiyou near Bear Springs Mt. Shasta Comment
  CAS-BOT-BC384963  Cerastium arvense G. J. Muth 1969-8-6 1199 Siskiyou Boulder Peak 2529 Comment
  HSC76692  Cerastium arvense K. T. Stillman 1976-8-7 209 Siskiyou Marble Mtn. Wilderness Area. 1951 Comment
  CHSC86670  Cerastium dichotomum Jenny Marr 1993-7-1 53 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC384989  Cerastium dichotomum M. V. Maxwell 1961-5-10 s.n. Siskiyou 5 mi. e. of Montague 807 Comment
  HSC22478  Cerastium fontanum subsp. vulgare J. O. Sawyer 1969-7-16 1155 Siskiyou W of Lower Russian Lake along trail 2073 Comment
  CAS-BOT-BC207626  Cercis occidentalis Doris K. Kildale 1929-5-31 9123 Siskiyou Cecilville, south fork of Salmon River. Comment
  UC12147  Cercocarpus betuloides var. macrourus T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  HSC44988  Cercocarpus ledifolius J. O. Sawyer 1978-6-19 3243 Siskiyou Marble Mtn. Wilderness Area, ridges E of Shelly Lake 2165 Comment
  HSC68509  Cercocarpus ledifolius Maralyn A. Renner 1980-6-9 840 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  UCD113092  Cercocarpus ledifolius John Thomas Howell 1964-5-11 40702 Siskiyou NE of Callahan on road to Gazelle. Comment
  CAS-BOT-BC148532  Cercocarpus ledifolius var. ledifolius Dr. E. B. Copeland 1903-7-6 3562 Siskiyou Hornbrook Comment
  OBI55466  Chaenactis douglasii var. douglasii David J. Keil, Kathleen Keil 1992-7-21 23538 Siskiyou Klamath NF SE of Callahan. forest Rd 40N08, 1.7 mi W of Scott Mtn Rd (hwy 3) Comment
  JEPS101314  Chaenactis suffrutescens Dean W. Taylor 1999-7-18 17286 Siskiyou Moffett Creek Road 2.8 miles South from junction with Highway 3, opposite confluence Crooked Creek 295 Comment
Read comments
Jul 5 2007
  UCR110582  Chamaecyparis nootkatensis L. C. Wheeler 1963-8-25 8275 Siskiyou Preston Peak: Summit ridge 2134 Comment
  SD46659  Chamaesaracha nana E. K. Balls, L. W. Lenz 1956-6-18 21802 Siskiyou 1.5 mi. e. of McCloud, State Hwy. 89, roadside 1006 Comment
  RSA432492B  Chamaesyce serpillifolia L. C. Wheeler 1935-7-13 3659 Siskiyou Ager. 793 Comment
  UC1034062  Chamaesyce serpyllifolia W. Bridge Cooke 1941-9-5 16258 Siskiyou along Memorial Hwy; Mount Shasta 1371 Comment
  CDA35273  Chamaesyce serpyllifolia T. C. Fuller 1962-8-3 9506 Siskiyou Siskiyou Mountains: Gravel bar of Beaver Creek at the mouth of Raggedass Gulch, 5 miles north of the Klamath River. 0 Comment
  SBBG21790  Chamerion angustifolium D. Myrick 1964-7-25 947 Siskiyou Shasta Ski Bowl Hwy 1219 Comment
  CAS-BOT-BC68215  Cheilanthes gracillima Louis C. Wheeler 1934-10-21 3344 Siskiyou Shasta Valley 8 mi. NE Gazelle 868 Comment
  UC1483406  Cheilanthes gracillima John Palmer 1980-7-24 663 Siskiyou Dillon Divide; Klamath Nat'l Forest, Dillon Mt Quadrangle 1706 Comment
  UC71530  Cheilanthes gracillima Harley P. Chandler June, 1901 1614 Siskiyou ridges and meadows near Marble Mt; North Coast Ranges 2133 Comment
  CAS-BOT-BC68211  Cheilanthes gracillima Donald Branscomb 1958-7-1 s.n. Siskiyou Castle Lake 1706 Comment
  HSC1001  Cheilanthes gracillima Jerry Parker 1968-10-6 135 Siskiyou Salmon Mtns. above Sugar Lake 1829 Comment
  HSC29473  Cheilanthes gracillima Frederick W. Oettinger 1968-8-5 405 Siskiyou Marble Mtn. Wilderness Area, 'Shasta Ridge' between Diamond Lake and English Peak 2073 Comment
  RSA685758  Cheilanthes gracillima May N. Ackley 1932-07 51 Siskiyou Casile Lake Comment
  UC375328  Chenopodium berlandieri Geo. D. Butler 1908-7-4 1065 Siskiyou Yreka Comment
  JEPS75210  Chenopodium botrys W. B. and V. G. Cooke 1975-9-3 50487 Siskiyou Ash Creek Area Mt. Shasta (at Military Pass Rd.) Comment
  UC1034058  Chenopodium botrys W. Bridge Cooke 1941-9-5 16265 Siskiyou along Memorial Hwy as far as MacBride Springs; Mt. Shasta Comment
  JEPS59762  Chenopodium vulvaria Louis C. Wheeler 1934-10-6 3307 Siskiyou Yreka 792 Comment
  HSC67798  Chimaphila menziesii J. O. Sawyer, J. Cole 1980-7-22 3992 Siskiyou Little Horse Peak 1720 Comment
  JEPS83881  Chimaphila menziesii Wayne Roderick July 1976 Siskiyou vicinity of Cook & Green Pass; Siskiyou Mts. 1463 Comment
  UC21639  Chimaphila menziesii Brewer 1862-9-16 1413 Siskiyou Camp 98 1828 Comment
  UCR90894  Chimaphila menziesii Kathy Harper, Dane Karr 1994-6-10 s.n. Siskiyou North Coast Range, Indian Creek Camp, 14.5 mi NW of Happy Camp along Indian Creek Road, off Hwy 96. Near campsites 7 to 9 610 Comment
  HSC61813  Chimaphila menziesii Ruby Van Deventer 1958-7-18 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC452254  Chimaphila umbellata W. R. Dudley 1899-8-9 s.n. Siskiyou Black Butte Comment
  HSC19017  Chimaphila umbellata J. O. Sawyer 1969-7-23 1163 Siskiyou Near Horse Range Creek. 1341 Comment
  POM131999  Chimaphila umbellata E. B. Copeland 1903-8-15 3828 Siskiyou Mt. Shasta 1829 Comment
  HSC60904  Chimaphila umbellata Al Hobart Siskiyou Black Butte Comment
  CAS-BOT-BC184898  Chloris virgata T. C. Fuller 1966-10-5 15243 Siskiyou West side of Interstate 5 just south of exit to Hilts. Comment
  CAS-BOT-BC36385  Chrysolepis chrysophylla Doris K. Kildale 1929-7-20 8660 Siskiyou Trail up South Fork of Indian Creek to Elk Lick Comment
  CAS-BOT-BC36386  Chrysolepis chrysophylla Wm. Bridge Cooke 1938-9-2 11588 Siskiyou Sisson Southern Trail 1371 Comment
  SBBG113470  Chrysolepis chrysophylla D. Wilken with E. Painter 2000-8-10 15853 Siskiyou just S of Del Norte and Josephine (OR) county lines, NNE of Little Grayback, near head of Indian Crk, O'Brien-Happy Camp Rd 1500 Comment
  CAS-BOT-BC36234  Chrysolepis sempervirens Alice Eastwood 1922-10-18 11542 Siskiyou Shasta Springs Comment
  CAS-BOT-BC36242  Chrysolepis sempervirens W. R. Dudley 1899-8-22 s.n. Siskiyou Slopes of Craggy Peak Comment
  HSC26564  Chrysolepis sempervirens J. P. Smith, J. O. Sawyer 1972-8-20 5756 Siskiyou Slope of Mt. Hoffman 2134 Comment
  HSC4935  Chrysolepis sempervirens J. O. Sawyer 1968-6-18 230 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  HSC4938  Chrysolepis sempervirens J. O. Sawyer 1968-6-25 331 Siskiyou 1646 Comment
  RSA476649  Chrysolepis sempervirens M. B. Dunkle 1944-6-25 9031 Siskiyou Siskiyou National Forest. 1677 Comment
  RSA82828  Chrysolepis sempervirens J. M. Tucker 1947-5-17 1555 Siskiyou Ca. 5 miles south-east of Callahan, beside road up Scott Mountain. Comment
  JEPS83581  Chrysothamnus humilis Dean Wm. Taylor, Glenn L. Clifton, and R. Doug Stone 1987-8-7 9253 Siskiyou on crater floor at n interior Lava Beds National Monument, Caldwell Butte 1499 Comment
  SEINET8734907 Image available Chrysothamnus viscidiflorus subsp. viscidiflorus Lewis S. Rose 1941-1 41427 Siskiyou Dorris 1307 Comment
  UCR78453  Cichorium intybus Scott D. White, Julie Greene 1993-8-24 1842 Siskiyou Klamath National Forest. 'Tree of Heaven' campground, off Hwy 96. Comment
  UC60953  Cicuta douglasii Geo. B. Grant September 1902 5143 Siskiyou Mount Shasta, Sisson Mount Shasta; Pacific Coast, , Sisson 914 Comment
  UCD127278  Cicuta douglasii P. B. Kennedy 1922-8-29 s.n. Siskiyou Fritz Young Ranch, Scott Valley. Comment
  CHSC85687  Circaea alpina subsp. pacifica G. F. Hrusa 1998-7-5 14698 Siskiyou Siskiyou Mountains. Cedar Camp Rd. +/- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 4.x. Roadside. Comment
  CDA1134  Cirsium ciliolatum G. D. Barbe, Don Shaw 1982-7-14 3890 -B Siskiyou Willow Creek; Bryant Rd. at York Rd., 3.5 mi east of Willow Creek School. Comment
  RSA0070591  Cirsium ciliolatum D. H. Shaw, T. C. Fuller 1978-7-5 20246 Siskiyou North side of York Road, 0.3 km east of Bryant-Willow Creek Road, 15 km north of Montague. Comment
  CAS-BOT-BC278034  Cirsium cymosum D. H. Shaw; T. C. Fuller 1978-7-5 20246 Siskiyou North side of York Road, 0.3 km. east of Bryant-Willow Creek Road, 15 km. north of Montague Comment
  CDA1185  Cirsium cymosum T. C. Fuller 1978-7-5 20245 Siskiyou 17.5 km NE of Montague; N side of Willow Creek Rd., 2.7 km east of York Rd. 0 Comment
  CDA1188  Cirsium cymosum G. D. Barbe, F. D. Horn 1982-7-14 3889 Siskiyou 5 mi. NW of Yreka on Humbug Rd., dry ridge extending NE of Humbug Peak, Klamath National Forest. Comment
  CAS-BOT-BC279890  Cirsium douglasii var. breweri Peter H. Raven 1956-9-5 10442 Siskiyou North Fork of Sacramento River 2194 Comment
  CAS-BOT-BC285551  Cirsium occidentale var. candidissimum Alice Eastwood 1917-9-2 6668 Siskiyou Shasta Springs Comment
  CAS-BOT-BC288015  Cirsium occidentale var. candidissimum L. R. Abrams 1922-8-6 9901 Siskiyou Klamath River 6 mi. below Hornbrook Comment
  UCR70780  Cirsium pastoris L. C. Wheeler 1934-7-16 02908 Siskiyou Siskiyou Mtns, Oak Knoll Ranger Station, on Klamath River 671 Comment
  UC165435  Cirsium remotifolium var. odontolepis Geo. D. Butler 1910-7-9 1695 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC286463  Cirsium scariosum Ynez Whilton Winblad 1941-6-20 s.n. Siskiyou Between Weed and Yreka Comment
  OBI54126  Cirsium scariosum var. robustum David J. Keil, Kathleen Keil 1992-7-24 23571 Siskiyou E of McCloud along hwy 89, 7.7 mi W of Shasta county line Comment
  HSC5381  Cirsium vulgare R. C. Wunner 1965-8-14 434 Siskiyou California Lava Beds National Monument; 2 mi. from Mammoth Crater on Rd. to SW entrance 1555 Comment
  CAS-BOT-BC439047  Cistanthe monosperma Mrs. H. C. Cantelow 1936-5-20 1382 Siskiyou Summit of Salmon Mt. 1818 Comment
  CAS-BOT-BC228963  Cistanthe umbellata Elmer I. Applegate 1923-8-18 3883 Siskiyou Medicine Lake Comment
  CAS-BOT-BC228989  Cistanthe umbellata Gilbert J. Muth 1969-8-7 1265 Siskiyou Boulder Peak Ridge Comment
  CAS-BOT-BC228962  Cistanthe umbellata Elmer I. Applegate 1923-8-13 3860 Siskiyou Top of Redshale Mountain, east of Medicine Lake 2438 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
  CAS-BOT-BC163183  Clarkia lassenensis Lewis S. Rose 1945-6-18 45081 Siskiyou Horse Creek & Klamath River 502 Comment
  CHSC93539  Clarkia lassenensis Lowell Ahart; John Dittes 2005-6-10 12099 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  UC20324  Clarkia lassenensis T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley 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-BC439104  Claytonia cordifolia Annie M. Alexander; Louise Kellogg 1949-7-24 5870 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  CAS-BOT-BC439143  Claytonia exigua subsp. exigua Lewis S. Rose 1945-6-18 45103 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC439142  Claytonia exigua subsp. exigua Dorothy Parker 1947-3-30 s.n. Siskiyou Hartstrand Gulch, east side of Scott Valley 822 Comment
  RSA265289  Claytonia parviflora J. M. Miller 1974-6-2 358 Siskiyou Dillon Creek Campground, Klamath River Hwy96 where Dillon Creek meets the Klamath River. Comment
  RSA601897  Claytonia parviflora L. C. Wheeler 1935-5-5 3466 Siskiyou Greenhorn Creek. Siskiyou Mtns. (Mt Diablo Mer.) 854 Comment
  RSA0059511  Claytonia rubra subsp. depressa L. C. Wheeler 1935-5-5 3465 Siskiyou Greenhorn Creek. Siskiyou Mtns. (Mt Diablo Mer.) 854 Comment
  CAS-BOT-BC443812  Claytonia rubra subsp. rubra L. E. Smith 1913-5-12 s.n. Siskiyou Dunsmuir Comment
  CAS-BOT-BC443828  Claytonia rubra subsp. rubra J. H. Thomas 1949-6-16 951 Siskiyou 1/4 miles north of Beaver Creek Public Camp, along Beaver Creek; 5 miles north of junction of Beaver Creek and Klamath River; Klamath National Forest. Comment
  HSC44889  Claytonia rubra subsp. rubra Maralyn O'Meara 1974-5-25 405 Siskiyou Along road to Duck Lakes trail 1402 Comment
  HSC44929  Claytonia rubra subsp. rubra J. O. Sawyer 1978-6-19 3254 Siskiyou Marble Mtn. Wilderness Area, trail between Timothy Gulch and Harry Hall Gulch 1433 Comment
  JEPS96887  Claytonia rubra subsp. rubra Dean W. Taylor 1999-6-9 17232 Siskiyou Siskiyou Mountains, ca. 5 air miles WSW Hilt, very headwaters of South Fork Hungry Creek 1371 Comment
  CAS-BOT-BC443813  Claytonia rubra subsp. rubra L. E. Smith 1913-5-11 259 Siskiyou McCloud Comment
  HSC39746  Claytonia rubra subsp. rubra J. O. Sawyer 1970-4-4 2089 Siskiyou Along Sugar Creek 823 Comment
  RSA45340  Claytonia saxosa Dorothy Parker 1947-3-30 s.n. Siskiyou Hartstrand Gulch E side of Scott Valley. 866 Comment
  CAS-BOT-BC443862  Claytonia sibirica Wm. Bridge Cooke 1938-6-24 11182 Siskiyou Mount Shasta. Bear Springs Comment
  SEINET6907101  Clematis ligusticifolia M. K. Solecki, J. B. Taft 1986-9-9 2144 Siskiyou Bank of Scotty River near Indian Scotty campground; elevation 2,200 feet. 670 Comment
  HSC19259  Clintonia uniflora J. O. Sawyer 1968-7-10 485 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC19264  Clintonia uniflora J. O. Sawyer 1968-6-25 319 Siskiyou Along Horse Range Creek 1829 Comment
  CAS-BOT-BC500970  Clintonia uniflora A. A. Heller 1919-6-27 13251 Siskiyou Metcalf's ranch, northeast base of Mount Eddy 1158 Comment
  SEINET3131040  Clintonia uniflora G. D. Butler 1910-6-5 1478 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC238058  Collinsia Mary Boyd Lichens 1948-5-1 s.n. Siskiyou Near Walker, along Klamath River 579 Comment
  JEPS26521  Collinsia linearis Lauramay T. Dempster 1961-7-2 1852 Siskiyou sw Etna (ridge w of Salmon Mtn Summit) 1828 Comment
  HSC86558  Collinsia linearis D. K. Imper 1987-6-5 Siskiyou 8 mi. E of Somes Bar 1220 Comment
  POM258052  Collinsia linearis C. Leo Hitchcock, J. S. Martin 1939-7-7 5280 Siskiyou 0.5 mile below Sanger Peak Lookout. 1524 Comment
  UC164319  Collinsia rattanii Geo. D. Butler 1909-4-14 651 Siskiyou Humbug Road Comment
  SEINET13406232  Collinsia rattanii G. D. Butler 1910-4-16 1188 Siskiyou Klamath [River] Bluffs. Comment
  JEPS15386  Collinsia torreyi var. latifolia Douglas Barbe 1955-7-6 131 Siskiyou above se shore Taylor Lake (on slope); Klamath Mtns, Salmon Mtns 1950 Comment
  HSC29391  Collinsia torreyi var. latifolia Frederick W. Oettinger 1969-7-11 977 Siskiyou Marble Mtn. Wilderness Area, W of NW end of Hancock Lake 1951 Comment
  RSA120633  Collinsia torreyi var. latifolia G. D. Barbe 1955-7-6 131 Siskiyou SE shore of Taylor Lake, Salmon Mtns. 1951 Comment
  RSA50221  Collomia grandiflora E. K. Balls 1949-7-9 13928 Siskiyou 4.3 miles from Etna on road to Sawyer's Bar Comment
  CHSC30234  Collomia larsenii M. S. Taylor; J. D. Prouty, E. Heinitz 1980-8-18 3264 Siskiyou W side of Little Mt. Hoffman, between road and lookout. 2225 Comment
  JEPS69762  Collomia tinctoria W. B. and V. G. Cooke 1972-6-30 45413 Siskiyou Military Pass road above Andesite crossing (in brush field beyond edge of road); Mt. Shasta Comment
  UC2013021  Collomia tinctoria Barbara Ertter 1990-7-14 9333 Siskiyou Wagon Creek on E side of Mt. Eddy, ca. 4 air miles W of Mt. Shasta City. Comment
  UC648287  Collomia tinctoria John Thomas Howell 1939-8-9 15239 Siskiyou Shackleford Creek Trail Marble Mts. Comment
  JEPS64338  Corallorhiza maculata W. L. Jepson July, 1894 21269 Siskiyou Sisson Comment
  UC336582  Corallorhiza maculata unknown July 1879 Siskiyou near Shasta Comment
  UC455186  Corallorhiza maculata I. J. Condit 1911-7-22 Siskiyou Mt. Shasta; trail to Horse Camp Comment
  POM168510  Corallorhiza maculata E. B. Copeland 1903-9-6 3926 Siskiyou Mt. Eddy. 1372 Comment
  RSA47659  Corallorhiza maculata Roxana S. Ferris, Laura Lorraine 11751 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  HSC45182  Corallorhiza mertensiana J. O. Sawyer, E. Cope 1977-6-18 2937 Siskiyou Along Clear Creek Trail between Bear Pen Creek and West Fork. 671 Comment
  HSC494  Corallorhiza mertensiana William J. Ferlatte 1966-6-22 84 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  RSA237633  Corallorhiza mertensiana Frederick W. Oettinger 1969-7-14 1022 Siskiyou Trail from Charmaine Lake to English Lake; Salmon Mounatins, the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness area 1921 Comment
  SJSU2576  Corallorhiza mertensiana H. L. Buckalew 1962-7-7 Siskiyou Poker Flat c. 3 mi W of junction of Indian Creek with W Branch of Indian Creek 1066 Comment
  SEINET4854286  Cordylanthus pallescens Francis W. Pennell 1940-1 26184 Siskiyou Route 99, 2-3 mi N of Mount Shasta City. 1159 Comment
  CHSC105583  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-4 16202 b Siskiyou Forest Service Road 41N26, the Eddy Creek Road, 0.6 mile above the junction with Old Stagecoach Road (study site 10). Lat. and Long. indicated +/- 33 feet. 1039 Comment
  CHSC110365  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-4 16202 b Siskiyou Forest Service road 41N26, the Eddy Creek road, 0.6 miles above the junction with Old Stagecoach Road (study site 10). 1039 Comment
  CHSC105586  Cordylanthus tenuis subsp. viscidus Barbara L. Wilson; Richard E. Brainerd 2010-8-5 16220 Siskiyou Dunsmuir; Panorama Drive north of Interstate Highway 5. +/- 49 feet of Lat. and Long. indicated. 774 Comment
  HSC36698  Cornus nuttallii Brent Whitely 1975-6-28 97 Siskiyou 915 Comment
  RSA240100  Cornus nuttallii Frederick W. Oettinger 1969-8-12 1336 Siskiyou Near theCedars homestead, 2 miles up the main North Fork trail from Mule Bridge enroute to English Peak - shortly before entering the Wilderness area. The Salmon Mountains. High Lake Basins in the vicinity of English Peak., Marble Mountain Wilderness Area. 960 Comment
  JEPS24620  Cornus sericea subsp. sericea Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6773 Siskiyou directly opposite Mossbrae Falls between Shasta Retreat and Shasta Springs (on bank of Sacramento R.); Sacramento R. 731 Comment
  UC164271  Corylus californica Geo. D. Butler 1910-4-1 1150 Siskiyou Humbug Mountain Comment
  CDA39610  Corylus cornuta var. californica T. C. Fuller, D. H. Shaw 1974-9-24 20037 Siskiyou Pacific Crest Trail, summit of the Siskiyou Mountains, east of White Mountain. 0 Comment
  HSC19044  Crepis acuminata J. O. Sawyer 1969-6-12 918 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  HSC5440  Crepis acuminata D. M. Thomson 1965-6-19 100 Siskiyou Lava Beds National Monument, Merril Ice Cave by side of trail Comment
  JEPS105230  Crepis bakeri Dean W. Taylor 1995-6-25 15118 Siskiyou Highway 3 at Soap Creek Summit (ca. 6 miles West of Yreka) 1280 Comment
  SEINET7837063 Image available Crepis bakeri subsp. bakeri G. D. Butler 1910-5-10 1328 Siskiyou Goose nest foothills 1524 Comment
  CAS-BOT-BC376558  Crepis occidentalis subsp. conjuncta Doris K. Kildale 1928-7-2 5374 Siskiyou Salmon Summit via Horn Creek trail Comment
  CAS-BOT-BC290835  Crepis occidentalis subsp. pumila Geo. D. Butler 1910-5-19 1365 Siskiyou Yreka Comment
  HSC92864  Crepis occidentalis subsp. pumila Jennifer Whipple 1976-6-30 1196 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  CAS-BOT-BC290868  Crepis pleurocarpa Geo. D. Butler 1910-7-12 1758 Siskiyou Shackleford Creek 1371 Comment
  CAS-BOT-BC376506  Crepis pleurocarpa John Thomas Howell 1937-7-21 13192 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC76914  Crepis pleurocarpa K. T. Stillman 1976-6-26 126 Siskiyou Marble Mountain Wilderness Area; Top of pass from Bear Valley 2012 Comment
  HSC76939  Crepis pleurocarpa K. T. Stillman 1976-8-7 204 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  UC1282027  Crepis pleurocarpa Louise Kellogg Aug 8 1953-Aug 9 1953 126 Siskiyou Blue Point Scott Mountains, Klamath National Forest (near Scott Mountain Public Campground) 1630 Comment
  UC485353  Crepis pleurocarpa I. J. Condit 1909-8-23 25 Siskiyou near Sisson; Castle Lake 1981 Comment
  UC581260  Crepis pleurocarpa G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2436 Siskiyou on creek 1 mi below Stewart Springs; Park's Creek 1120 Comment
  UC54009  Crocidium multicaule W. T. Mooney 1903-4-1 Siskiyou Yreka Comment
  JEPS84098  Cryptantha affinis L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6313 Siskiyou from Takilma to Happy Camp (Indian Creek Road, just s of state line) Comment
  SEINET12280691  Cryptantha affinis Unknown 1936-1 13062 Siskiyou near Hornbrook Comment
  JEPS107383  Cryptantha flaccida Lowell Ahart, John Dittes 2005-6-10 12070 Siskiyou Rocky hillside north of the Shasta River, south of a poor dirt road, about 50 yards northwest 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
  HSC46231  Cryptantha torreyana Jennifer Whipple 1978-6-5 2343 Siskiyou Weston Gulch in Scott Valley 854 Comment
  NY335192  Cryptantha trifurca E. B. Copeland 1903-7-5 3550 Siskiyou Klamathon Comment
  HSC27334  Cryptogramma acrostichoides J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5710 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  POM120358  Cryptogramma acrostichoides Geo D. Butler 1910-7-12 1755 Siskiyou Shackleford Creek 1372 Comment
  RSA758587  Cryptogramma acrostichoides R. F. Thorne 1969-8-2 63393 Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak 1159 Comment
  SEINET9628241 Image available Cryptogramma cascadensis W. B. Cooke 1941-1 16304 Siskiyou Scattered through the lava slopes above Horse Camp, Mt. Shasta. 2515 Comment
  CAS-BOT-BC80538  Cupressus bakeri James P. Smith 1973-5-5 s.n. Siskiyou Trail to the Siskiyou cypress stand off the Cook and Green Pass road Comment
  CAS-BOT-BC80555  Cupressus bakeri O. V. Matthews 1939-7-13 34 Siskiyou Northwest slope of [Goose Nest] Goosenest, East of Yreka 1828 Comment
  CAS-BOT-BC85607  Cupressus bakeri C. B. Wolf; E. R. Johnson 1934-10-8 6166 Siskiyou Modoc Lava Beds, 1 mi. N.E. of Timbered Crater on Old Stage Rd. from Dana to Little Hot Springs Valley 1219 Comment
  NY16595  Cupressus bakeri C. O. Stone 1964-6-6 287 Siskiyou Approximately 100 yards northeast of Quarry 1109.5 Comment
  NY16604  Cupressus bakeri C. B. Wolf 1934-10-9 6170 Siskiyou Siskiyou Mountains, above West Fork of Seiad Creek, 0.75 miles above forks of creek 1158.2 Comment
  RSA30874  Cupressus bakeri L. C. Wheeler 1935-4-14 3417 Siskiyou West Fork Seiad Creek, Siskiyou Mtns. (Mt Diablo Mer) Comment
  RSA352343  Cupressus bakeri C. B. Wolf 1944-10-30 11481 Siskiyou 1mile NE of Timbered Crater, Modoc Lava Beds on Old Stage Road form Dana to Little Hot Springs Valley 1220 Comment
  UC650672  Cupressus bakeri Oliver V. Matthews 1939-7-18 37 Siskiyou ne Goose Nest Grove Goose Nest Region 1524 Comment
  CAS-BOT-BC80551  Cupressus bakeri Oliver V. Matthews July 22 40 Siskiyou From north side of Lava Road to Timbered Crater 1219 Comment
  NY16598  Cupressus bakeri G. Schoolcraft 1983-9-14 1153 Siskiyou About 3 miles north of Timbered Crater 1097.3 Comment
  RSA17605  Cupressus bakeri C. B. Wolf, E. R. Johnson 1934-10-9 6170 Siskiyou Above west fork Seiad Creek, 3/4 mile above forks of creek. Siskiyou Mountains [ridge between the west and east forks of Seiad Creek, south slope hillside] 1159 Comment
  RSA22761  Cupressus bakeri O. V. Matthews 1939-7-18 38 Siskiyou Northeast Goose Nest. East of Yreka 1524 Comment
  UC572799  Cycladenia humilis var. humilis unknown 1937-9-3 9340 Siskiyou Mt. Shasta Comment
  RSA749208  Cymopterus terebinthinus var. californicus K. M. Meyer, A. Townesmith 2007-8-2 185 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
  UCR179175  Cymopterus terebinthinus var. californicus Robert E. Preston 2002-7-12 1908 Siskiyou Rainbow Mountain and Vicinity, Klamath National Forest, south slope of Rainbow Mtn. 1790 Comment
  UC1177923  Cynoglossum occidentale Francia Chisaki and G. B. Newcomb 1958-6-21 1147 Siskiyou on rd. to and slopes of Everitt Hill (3.5 mi. e. of junction with Hwy. 89-99) 1447 Comment
  OBI68614  Cynoglossum officinale T. C. Fuller 1968-8-1 17453 Siskiyou W side of rd to McCloud Reservoir, 0.3 mi S of McCloud Comment
  UCD119151  Cynoglossum officinale T. C. Fuller 1967-6-27 16034 Siskiyou W. side of rd. to McCloud Reservoir, 0.3 mi. s. of McCloud. Comment
  UC637068  Cyperus squarrosus Edward Lee 1934-8-11 1026 Siskiyou e. end Seiad Valley (Walker Creek); , Walker Creek (tributary of Klamath R.) 457 Comment
  CAS-BOT-BC70718  Cystopteris fragilis L. R. Short 1933-9-10 77 Siskiyou Rogue River Forest 1889 Comment
  HSC26704  Cystopteris fragilis William J. Ferlatte 1971-9-18 1381 Siskiyou Caribou Basin, Sawtooth Ridge 2378 Comment
  RSA237512  Cystopteris fragilis Frederick W. Oettinger 1968-9-1 649 Siskiyou South of Abbott s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  JEPS68513  Dactylis glomerata Geo. D. Butler 1909-6-18 835 Siskiyou Yreka Comment
  UC1265413  Dactylis glomerata F. W. Oettinger 1968-9-6 739 Siskiyou Bear Meadow Tom's Lake Region (Salmon Mountains, W Siskiyou Co.); Salmon Mountains, Tom's Lake Region 2186 Comment
  UCD60487  Danthonia californica Rimo Bacigalupi; Mr. and Mrs. Van Deventer 1959-7-10 7311 Siskiyou Twin Valley, Siskiyou Mts., just east of Del Norte Co. line; 4 air-line miles NNE of Preston Peak; watershed of Indian Creek. 1493 Comment
  SEINET10598237  Danthonia californica George D. Butler 1910-7-8 Butler 1660 Siskiyou Wet meadow, Shackleford Creek. 1219 Comment
  UCD60863  Danthonia californica var. americana A. A. Heller 1915-7-18 12113 Siskiyou Metcalf's ranch, northeast of base of Mt. Eddy. 1249 Comment
  CAS-BOT-BC194395  Danthonia intermedia John Thomas Howell 1939-8-7 15126 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC76233  Darlingtonia californica David D. Keck 1938-8-8 4866 Siskiyou At Trinity county line. Scott Mountain Divide, between Scott Mountain and Craggy Peak. 1676 Comment
  HSC67648  Darlingtonia californica J. P. Smith, Steve Selva 1970-7-18 4493 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  RSA422668  Darlingtonia californica Christopher Davidson 1975-6-5 2676 Siskiyou 3.3 miles from gate on special service road branching to SE of road from Gazelle to Callahan 9.3 miles W of Gazelle; Klamath Nat'l Forest. 1623 Comment
  UC1483486  Darlingtonia californica Maralyn A. Renner 1980-7-4 1382 Siskiyou near trail about 1/4 mi below Rattlesnake Meadow; Klamath National Forest, Preston Peak Quad. 1584 Comment
  SEINET12007449  Darlingtonia californica J. G. Lemmon 1873-1 s.n. Siskiyou near Mt. Shasta Comment
  UCD112985  Dasiphora fruticosa Jack Major; M. Fleschner and R. Pemble 1966-9-4 s.n. Siskiyou Northeast face of Marble Mountains. 2225 Comment
  RSA239008  Datisca glomerata Frederick W. Oettinger 1966-7-25 39 Siskiyou Along Black Gulch Road roadside; Salmon River District; Klamath N.F.; Cecilville. Comment
  SEINET4890503  Datisca glomerata G. D. Butler 1910-7-19 1723 Siskiyou Little Shasta Comment
  CHSC1458  Delphinium K. Jaekel 1939-7-6 Siskiyou Castle Lake. 1981 Comment
  UC9128  Delphinium decorum subsp. tracyi Harley P. Chandler June 1901 1589 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 2133 Comment
  HSC92136  Delphinium glaucum Jennifer Whipple 1976-9-4 1797 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC9890  Delphinium nudicaule L. E. Smith 1913-5-4 258 Siskiyou Yreka Comment
  POM99313  Delphinium nudicaule Geo. D. Butler 1909-4-18 599 Siskiyou Humbey Mt. 1220 Comment
  HSC28664  Delphinium nuttallianum Frederick W. Oettinger 1969-7-18 1054 Siskiyou Marble Mtn. Wilderness Area, SW of Upper English Lake 1951 Comment
  SBBG2171  Delphinium nuttallianum H. and M. Dearing 1939-6-5 3549 Siskiyou 2 mi N of McCloud 1066 Comment
  HSC67778  Delphinium nuttallianum J. O. Sawyer, J. Cole 1980-7-21 3871 Siskiyou Near Haight Mtn. along USFS Rd. running S-SW 1939 Comment
  HSC37565  Deschampsia cespitosa A. Montalvo, J. D. Ackerman 1975-7-19 590 Siskiyou 3 mi. E of McCloud, off Hwy. 89 on FS Rd. 39N13. 1067 Comment
  JEPS116611  Deschampsia cespitosa Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -023 Siskiyou The Eddys, west of Mt. Shasta. West side of Toad Lake headwaters of Middle Fork of upper Sacramento River. South China Mountain 2118 Comment
  UCD61120  Deschampsia cespitosa A. H. Murphy 1954-8-11 54 -E Siskiyou Round Meadow. 1676 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
  RSA415968  Deschampsia cespitosa subsp. cespitosa M. B. Dunkle 1945-7-24 9265 Siskiyou Klamath National Forest, Marble Mts. Comment
  HSC103044  Deschampsia danthonioides J. P. Smith 2014-6-7 13902 Siskiyou Along Forest Service Road 40N08, just north of Big Carmen Lake 1699 Comment
  HSC101475  Deschampsia elongata J. P. Smith, J. O. Sawyer 2011-7-21 13040 Siskiyou Near Dillon Camp 1358 Comment
  HSC19144  Deschampsia elongata J. O. Sawyer 1969-7-23 1450 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1341 Comment
  HSC26484  Deschampsia elongata J. P. Smith, Steve Selva 1970-7-15 4368 Siskiyou 2 mi. below the Baldy Mt. Lookout Station. Comment
  UCD114794  Descurainia sophia Roseman 1913-1 41 Siskiyou Butte Valley. Comment
  UC455332  Dicentra formosa I. J. Condit 1911-7-15 Siskiyou Shasta Springs to McCloud (tollroad) Comment
  UC61080  Dicentra formosa W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou The Bend, McCloud River; Mount Shasta, McCloud River Comment
  RSA166277  Dicentra formosa subsp. formosa Donald Myrick 1961-6-21 312 Siskiyou On Deer Camp Road above Oak Knoll Ranger Station on Klamath River 19 miles west of Highway 99 1829 Comment
  RSA74750  Dicentra formosa subsp. oregana Albert M. Vollmer, L. Beane 1951-6-2 s.n. Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway. Comment
  CAS-BOT-BC500907  Dichelostemma capitatum Geo. D. Butler 1910-4-17 1192 Siskiyou Near Yreka 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-BC500997  Dichelostemma multiflorum Roxana S. Ferris; Laura Lorraine 1948-6-12 11784 Siskiyou Outskirts of Etna Comment
  SEINET7839015 Image available Dieteria canescens G. D. Butler 1910-9-11 1869 Siskiyou Weed Comment
  HSC92174  Dieteria canescens var. shastensis Jennifer Whipple 1976-8-20 1705 Siskiyou Summit region of Mt. Eddy 2470 Comment
  UC1223211  Dieteria canescens var. shastensis Joseph P. Tracy 1949-9-16 18564 Siskiyou 1 mi e Etna (in Scott Valley); Scott Valley 883 Comment
  CAS-BOT-BC291005  Dieteria canescens var. shastensis R. E. Frenkel 1964-10-2 900 Siskiyou On Everitt Memorial Hwy., 1.7 miles north of McCloud River RR crossing, near Mount Shasta 1290 Comment
  HSC5960  Dieteria canescens var. shastensis D. M. Thomson 1965-8-21 206 Siskiyou California Lava Beds National Monument; Devil's Homestead Lava Flow Comment
  SEINET8225567  Diplacus nanus Unknown 1948-6-12 1171 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], east fork of Scott River. Comment
  SD53404  Dipsacus fullonum Darley F. Howe 1962-8-5 3260 Siskiyou Bank of Klamouth River, 56.8 mi. E of Happy Camp on Hwy 96 609 Comment
  CDA31685  Distichlis spicata J. R. Grisham 1963-6-23 Siskiyou Tulelake Wildlife Refuge, Tulelake. 0 Comment
  SEINET8349011  Distichlis spicata Frank Callahan 2007-8-17 Siskiyou southeast of Dry Lake; access from I-5 to Louie Rd. northeast; land belongs to Sierra Pacific. 800 Comment
  SEINET11973359  Dodecatheon alpinum H. P. Chandler 1901-1 1572 Siskiyou near Marble Mountain 1829 Comment
  RSA461379  Dodecatheon hendersonii Anstruther Davidson 1920-01 s.n. Siskiyou [Unspecified] Comment
  RSA238722  Dodecatheon jeffreyi Frederick W. Oettinger 1969-7-17 1051 Siskiyou Along inlet stream on SW side of Upper English Lakw. Wet bereal meadow. Red Fir Forest. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  HSC29234  Dodecatheon jeffreyi Frederick W. Oettinger 1969-7-15 1032 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: on 'Shasta Ridge' between Diamond Lake and English Peak 2073 Comment
  CHSC86665  Downingia bacigalupii Jenny Marr 1993-7-1 48 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UCD77609  Downingia bacigalupii Robert E. Preston 2002-6-22 1885 Siskiyou Ca. 0.6 miles SW of Cayton, on W side of Hwy 89 958 Comment
  UC1188733  Downingia montana John H. Weiler 1959-6-27 59206 Siskiyou 7.6 mi nw Shasta-Siskiyou County line (along State Highway 89) Comment
  POM208274  Downingia yina L. C. Wheeler 1934-7-3 2870 Siskiyou Soda Creek, Sterling Mt.; Siskiyou Mts.; Mt. Diablo Meridian. 1677 Comment
  HSC197  Draba carnosula William J. Ferlatte 1967-7-26 757 Siskiyou Caribou Basin, Sawtooth Ridge 2043 Comment
  CAS-BOT-BC41755  Draba howellii John Thomas Howell 1937-7-24 13417 Siskiyou Salmon-Trinity Alps. Caribou Basin. 2286 Comment
  HSC61984  Draba howellii Al Hobart 1960-7-25 Siskiyou Preston Peak 1707 Comment
  HSC86667  Draba howellii K. Berg, Stephanie Bennett 1986-8-25 649 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  JEPS53500  Draba nemorosa Geo. D. Butler 1910-4-10 1162 Siskiyou near Yreka Comment
  CAS-BOT-BC41314  Draba pterosperma George Dexter Butler 1908-8-8 33 Siskiyou Marble Valley. Comment
  JEPS20038  Draba verna George D. Butler 1909-4-6 549 Siskiyou below Yreka (Butler's Ranch); below Yreka, Butler's Ranch Comment
  HSC28659  Drosera rotundifolia Frederick W. Oettinger 1969-7-31 1113 Siskiyou Marble Mtn. Wilderness Area, W above English Lake 1829 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
  JEPS25594  Drymocallis glandulosa var. reflexa Rimo Bacigalupi 1959-7-2 7226 Siskiyou near n base Caribou Mtn (and just s of low divide (Trinity Co. boundary) separating Coffee Creek drainage from that of the Salmon River, Big Flat Campground); headwaters South Fork Salmon River, Coffee Creek drainage 1508 Comment
  CHSC86646  Eleocharis macrostachya Jenny Marr 1993-7-1 29 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC112776  Eleocharis macrostachya Henry Knut[e] Svenson 1939-6-23 13517 Siskiyou Meadow at Bear Springs, Mt. Shasta. 1524 Comment
  POM211262  Eleocharis parishii L. C. Wheeler 1934-8-31 3230 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Lund Ranch, W Fork Beaver Creek. 1066 Comment
  CAS-BOT-BC451557  Elodea canadensis Louis C. Wheeler 1934-6-3 2624 Siskiyou Cherry Flat, Klamath River, Siskiyou Mts. 518 Comment
  HSC100300  Elymus caput-medusae J. P. Smith, & J. O. Sawyer 2011-6-25 13259 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  CAS-BOT-BC227926  Elymus elymoides Alice Eastwood 1921-7-29 10980 Siskiyou Bear Spring on road to Medicine Lake Comment
  UC1495300  Elymus elymoides subsp. elymoides Robert T. Clausen and Harold Trapido 1940-7-27 4971 Siskiyou w side of creek 5 mi nne summit of Mt. Shasta; So. Cascade Mts., Sacramento River Basin, Mountainhouse Cree 1981 Comment
  HSC41817  Elymus elymoides var. elymoides Robert Wharton 1977-8-20 Siskiyou Along E slope of Mt. Shasta at Wintun Glacier along ridge between Ash & Brewer Creeks 3354 Comment
  HSC69221  Elymus glaucus Maralyn A. Renner 1980-8-31 2623 Siskiyou Twin Valley. 1494 Comment
  LA14818  Elymus glaucus Jason Swallen; 1939-7-28 13784 Siskiyou Mount Shasta, MacBride Springs 1523 Comment
  CAS-BOT-BC235221  Elymus multisetus Gilbert Muth 1966-7-17 410 Siskiyou Near Lookout, Marble Mts. 2057 Comment
  RSA198621  Elymus multisetus Geo D. Butler 1910-7-3 1632 Siskiyou Goosenest Foothills 1220 Comment
  UCD62506  Elymus multisetus Beecher Crampton 1969-6-19 8469 Siskiyou 3 miles north of Weed along Interstate Hwy. 5. Comment
  SEINET5642816  Elymus spicatus Jennifer J. Whipple 1977-7-22 2034 Siskiyou Weed quad. Dobkins Lake drainage on east facing slope above Dobkins Lake.; 0 2256 Comment
  UC1130623  Elymus trachycaulus H. S. Yates 1936-6-21 5819 Siskiyou 1 mi se Gazelle; Etna Quadrangle Comment
  UCD62708  Elymus trachycaulus A. H. Murphy 1956-8-14 56 C Siskiyou Little Mill Creek Meadow, Klamath N. F. 2011 Comment
  HSC45888  Elymus trachycaulus subsp. trachycaulus Laura Witherspoon 1978-8-15 80 Siskiyou Klamath National Forest. 2.9 miles S of La Honda Well and Forest Service Rd. 6Q01 (Tennant Rd.) 1442 Comment
  CAS-BOT-BC392233  Enemion stipitatum Geo. D. Butler 1909-2-28 584 Siskiyou Unspecified Comment
  RSA34679  Epilobium anagallidifolium W. Bridge Cooke, V. G. Cooke 1946-8-29 17615 Siskiyou Basin above Panther Creek Meadows Mount Shasta 2744 Comment
  POM259364  Epilobium brachycarpum J. T. Howell 1939-8-9 15237 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  POM261009  Epilobium ciliatum subsp. ciliatum W. Bridge Cooke 1941-9-5 16276 Siskiyou Along the spring creek at MacBride Springs, Mount Shasta. 1524 Comment
  UC618829  Epilobium clavatum W. Bridge Cooke 1938-8-18 11479 Siskiyou along Summit Trail above Horse Camp; Mount Shasta, Horse Camp Springs 2514 Comment
  UC873374  Epilobium glaberrimum subsp. glaberrimum Alice Eastwood 1912-7-16 1065 Siskiyou McCloud Comment
  POM251089  Epilobium glaberrimum subsp. glaberrimum W. Bridge Cooke 1938-7-29 11416 Siskiyou Wagon Camp Creek, Mt. Shasta. 1738 Comment
  HSC91954  Epilobium hallianum Jennifer Whipple 1976-7-23 1527 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC91965  Epilobium hallianum Jennifer Whipple 1976-7-2 1280 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC642588  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1939-8-24 13902 Siskiyou along w branch of Squaw Valley Creek Mount Shasta Comment
  UCR45371  Epilobium minutum Barry Silver 1986-5-24 605 Siskiyou West Branch Campground, Klamath National Forest, 7 mi northwest of Happy Camp 671 Comment
  POM38546  Epilobium minutum Geo. D. Butler 1909-6-13 927 Siskiyou Moffitt Creek. Comment
  CDA38103  Epilobium oregonense T. R. Haig & F. D. Horn 1979-8-16 s.n. Siskiyou Gumboot Lake Area, west of Mount Shasta. 0 Comment
  CAS-BOT-BC56945  Equisetum arvense G. B. Grant 1902-9-13 Z 3700 Siskiyou Sisson, N. Cal Comment
  HSC22470  Equisetum hyemale subsp. affine J. O. Sawyer 1969-6-11 826 Siskiyou Lower slope next to the C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  UC371170  Equisetum laevigatum G. D. Butler 1909-5-22 879 Siskiyou Yreka Comment
  HSC60047  Equisetum laevigatum M. A. Baker 1978-5-20 576 Siskiyou 3 km N of Somes Bar Comment
  CAS-BOT-BC204508  Eragrostis cilianensis Dorothy Parker 1948-8-24 227 Siskiyou Plowman's Valley, e. fork of Scott River 1188 Comment
  HSC67515  Eremogone congesta J. P. Smith, Steve Selva 1970-7-15 4360 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  RSA0057714  Eremogone congesta L. C. Wheeler 1934-8-2 3023 Siskiyou Head of Jaynes Canyon; Siskiyou Mts. 2073 Comment
  HSC29467  Eremogone congesta var. congesta Frederick W. Oettinger 1969-8-4 395 Siskiyou Marble Mtn. Wilderness Area, trail break on Crapo Peak ridge 2195 Comment
  CAS-BOT-BC286707  Ericameria bloomeri Annetta Carter 1939-8-21 1475 Siskiyou Near crest of peak above south-east end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2286 Comment
  HSC5737  Ericameria bloomeri D. M. Thomson 1965-8-14 191 Siskiyou California Lava Beds National Monument; on Tichner Rd. at Tichner Cave Comment
  UC527338  Ericameria bloomeri C. B. Wolf 1931-9-2 Siskiyou 0.5 mi above junction Pacific Highway (on the road to McCloud) 1097 Comment
  CAS-BOT-BC286696  Ericameria bloomeri C. B. Wolf 1931-9-2 2391 Siskiyou On rd. to McCloud 1/2 mi. above junction with Pacific Highway 1097 Comment
  SEINET7846091 Image available Ericameria bloomeri G. D. Butler 1910-8-7 1823 Siskiyou Humbug Mountain 1219 Comment
  JEPS117569  Ericameria nauseosa var. oreophila 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
  CAS-BOT-BC294299  Ericameria nauseosa var. speciosa K. T. Stillman 1976-9-9 482 Siskiyou Jump off point; trail to Box Camp 1950 Comment
  SEINET5708360 Image available Ericameria nauseosa var. speciosa Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7705 Siskiyou Scott Mts., collected along road 17, 13.1 miles SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 2056 Comment
  UCD131490  Ericameria nauseosa var. speciosa P. B. Kennedy 1922-8-29 s.n. Siskiyou range back of Fritz Young Ranch, Scott Valley. 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
  CAS-BOT-BC293502  Erigeron aliceae Geo. D. Butler 1910-7-8 1657 Siskiyou Shackleford Creek 1371 Comment
  UCR266169  Erigeron aliceae David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains, Klamath National Forest, Rye Patch Creek Trail 1700 Comment
  CAS-BOT-BC293503  Erigeron aliceae Geo. D. Butler 1908-8-8 290 Siskiyou West Fork of Woolly Creek Comment
  HSC61781  Erigeron aliceae Ruby Van Deventer 1938-7-29 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC294500  Erigeron bloomeri var. bloomeri Alice Eastwood 1912-8-30 2052 Siskiyou Mount Eddy Comment
  HSC92416  Erigeron bloomeri var. bloomeri Jennifer Whipple 1976-7-9 1399 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2226 Comment
  POM35931  Erigeron bloomeri var. bloomeri Geo. D. Butler 1910-5-16 1350 Siskiyou Yreka. Comment
  RSA184710  Erigeron bloomeri var. pubens Gilbert Muth 1966-7-22 436 Siskiyou Marble Rim, Marble Mountains 2195 Comment
  POM257621  Erigeron bloomeri var. pubens C. L. Hitchcock, J. S. Martin 1939-7-9 5329 Siskiyou 1/2 mile SE of King's Castle, Marble Mts. 1829 Comment
  UC1409465  Erigeron cervinus F. W. Oettinger 1968-8-23 608 Siskiyou rock-crevices on Shasta Ridge, se of Diamond Lake; Salmon Mts., English Peak area, Red Fir Forest 2072 Comment
  CAS-BOT-BC296122  Erigeron foliosus var. confinis Geo. D. Butler 1909-7-15 949 Siskiyou Highland Mine 1828 Comment
  SBBG7643  Erigeron foliosus var. confinis H. and M. Dearing 1939-7-1 3785 Siskiyou Salmon Mtn 1828 Comment
  CAS-BOT-BC295386  Erigeron inornatus Grant 1902-9-11 5173 Siskiyou Sisson Comment
  UCD131987  Erigeron inornatus Steve Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 mi. NW of McCloud, Shasta-Trinity National Forest, S of Mt. Shasta. 1767 Comment
  UCD77641  Erigeron inornatus var. calidipetris Robert E. Preston 2001-7-21 1709 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W se 1/4 Section 15 2026 Comment
  CAS-BOT-BC295425  Erigeron inornatus var. calidipetris H. Dearing; M. Dearing 1938-6-28 2179 Siskiyou Fowler Camp, McCloud River Comment
  HSC68173  Erigeron inornatus var. inornatus J. P. Smith, J. O. Sawyer 1972-9-12 5776 Siskiyou Scott Mtn., slopes E of Big Carmen Lake 1982 Comment
  SEINET5708481 Image available Erigeron inornatus var. inornatus Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7702 Siskiyou Scott Mtns. Collected along Road 17, 11.8 mi SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1955 Comment
  SEINET5708482 Image available Erigeron inornatus var. inornatus Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7702 Siskiyou Scott Mtns. Collected along Road 17, 11.8 mi SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1955 Comment
  HSC29219  Erigeron inornatus var. inornatus Frederick W. Oettinger 1969-8-12 1348 Siskiyou Trail above Willow Springs between Abbott's Upper Cabin and English Lake 1677 Comment
  HSC30278  Erigeron inornatus var. inornatus William J. Ferlatte 1971-9-19 1386 Siskiyou N flank of Caribou Mtn. 1829 Comment
  JEPS25854  Erigeron inornatus var. inornatus Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7486 Siskiyou overlooking headwaters of S. Fork of Scott River, just below road summit Cecilleville-Callahan road 1880 Comment
  JEPS83868  Erigeron petrophilus var. petrophilus Wayne Roderick 1976-7-1 Siskiyou vicinity Cook and Green Pass (along trail to Copper Butte); Siskiyou Mts. 1767 Comment
  HSC92619  Erigeron petrophilus var. viscidulus Jennifer Whipple 1977-8-6 2221 Siskiyou Dobkins Lake drainage on E facing slope above Dobkins Lake 2256 Comment
  UC455839  Erigeron philadelphicus var. philadelphicus I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  UC24052  Eriodictyon californicum T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  HSC43399  Eriogonum compositum var. compositum K. T. Stillman 1976-8-7 201 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  CAS-BOT-BC242532  Eriogonum congdonii James L. Reveal; Darin S. Reveal 1978-8-8 4805 Siskiyou Along the road to Big Carmen Lake, about 1 mile north of Scott Mountain Summit on California Highway 3 1645 Comment
  CAS-BOT-BC242533  Eriogonum congdonii Dorothy Parker 1948-8-19 222 Siskiyou Near Chinquapin, on Scott Mountain 1524 Comment
  RSA60782  Eriogonum congdonii Dorothy Parker 1948-8-19 s.n. Siskiyou Near Chinquapin, on Scott Mountain 1524 Comment
  HSC39820  Eriogonum diclinum J. O. Sawyer 1969-8-1 1683 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  CAS-BOT-BC255704  Eriogonum douglasii var. meridionale Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  SDSU6526  Eriogonum elatum D. F. Howe 1965-8-8 4124 Siskiyou South side of Little Grayback, Klamath National Forest. 1524 Comment
  UC375311  Eriogonum elatum Geo. D. Butler 1908-8-4 210 Siskiyou head of Shackleford Creek Shackleford Creek Comment
  JEPS83646  Eriogonum hirtellum R. Raiche 1987-7-28 70543 Siskiyou between Polar Bear Mt. and Lookout Mountain (at Del Norte Co. line); Polar Bear Gap 1737 Comment
  CAS-BOT-BC261218  Eriogonum hirtellum Doris K. Kildale 1929-7-20 8568 Siskiyou South Fork of Indian Creek near old dam 10 miles up from Happy Camp 457 Comment
  UC1324596  Eriogonum hirtiflorum W. B. and V. G. Cooke 1966-7-16 37214 Siskiyou above Bolam Station (along old road); Mt. Shasta 1524 Comment
  SJSU9507  Eriogonum marifolium M. D. Fleschner 1965-7-23 Siskiyou above Horse Camp on SW side Mt Shasta 2438 Comment
  CAS-BOT-BC263182  Eriogonum marifolium var. cupulatum Alice Eastwood 1921-7-28 10884 Siskiyou Medicine Lake Comment
  CAS-BOT-BC263183  Eriogonum marifolium var. cupulatum Mrs. H. C. Cantelow 1939-6-10 s.n. Siskiyou McCloud 991 Comment
  CAS-BOT-BC257776  Eriogonum marifolium var. marifolium R. C. Wenk 2008-7-23 904 Siskiyou Southwest side of Mount Shasta, trail from Bunny Flat (6950 ft) to Sierra Club Cabin above Avalanche Gulch (7600 ft) Comment
  CHSC4548  Eriogonum marifolium var. marifolium J. E. Bowlin 1967-7-18 52 Siskiyou Ca. 15 yds. above the parking lot and restaurant at Mount Shasta Ski Bowl. Ca. 15.5 mi from the city of Shasta (center of the city). Comment
  CHSC9496  Eriogonum marifolium var. marifolium J. F. Goodwin 1971-7-3 127 Siskiyou West side of road, in open area, 0.3 mi south of Mt. Shasta Ski Bowl area. 2438 Comment
  HSC66406  Eriogonum marifolium var. marifolium J. O. Sawyer, J. Cole 1980-7-20 3793 Siskiyou E side of Grouse Hill 2134 Comment
  SEINET7064409  Eriogonum nudum var. nudum A. G. Vestal 1955-5-17 s.n. Siskiyou Shasta Valley 2.1 miles north of Yreka. (NAD83/WGS84). UTM Zone 10, 531857mE, 4623863mN. Comment
  HSC19517  Eriogonum nudum var. nudum J. O. Sawyer 1969-7-16 1133 Siskiyou Summit NE of Waterdog Lake 2332 Comment
  HSC43401  Eriogonum nudum var. nudum K. T. Stillman 1976-7-14 241 Siskiyou Marble Mtn. Wilderness Area, E ridge down to Elk Valley 2073 Comment
  CAS-BOT-BC269739  Eriogonum nudum var. oblongifolium Doris Overman 1919-9-1 s.n. Siskiyou Yreka Comment
  JEPS56591  Eriogonum nudum var. oblongifolium Geo. D. Butler 1908-7-2 212 Siskiyou Yreka Comment
  CAS-BOT-BC272493  Eriogonum nudum var. pubiflorum Lewis S. Rose 1945-6-19 45147 Siskiyou Horse Creek & Klamath River 502 Comment
  HSC67790  Eriogonum nudum var. pubiflorum J. O. Sawyer, J. Cole 1980-7-20 3751 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  UC618610  Eriogonum nudum var. pubiflorum Susan Stokes 1938-6-17 11037 Siskiyou Sisson Southern Trail Mt. Shasta, Sisson Southern Trail Comment
  CAS-BOT-BC272492  Eriogonum nudum var. pubiflorum Ella Dales Cantelow 1938-10-23 2379 Siskiyou 16 mi. n.w. of Yreka, Hy. #96, Klamath River Comment
  POM253225  Eriogonum ovalifolium var. ovalifolium A. A. Heller 1938-7-13 15272 Siskiyou Border of meadows just south of Bray. 1402 Comment
  CHSC102612  Eriogonum pyrolifolium L. P. Janeway 2009-8-3 9882 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 2.3 air km southwest of Brewer Creek Trailhead; about 0.3 km south of southwest of Brewer Creek Trailhead; about 0.3 km south of Brewer Creek. 2560 Comment
  SEINET10733992  Eriogonum pyrolifolium Andrew Townesmith, Karen M. Meyer 2007-7-30 Townesmith 866 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
  POM165277  Eriogonum pyrolifolium var. pyrolifolium C. F. Baker 1903-8-16 3807 Siskiyou Mount Shasta 3049 Comment
  CAS-BOT-BC268584  Eriogonum siskiyouense Thomas W. Nelson; Jane P. Nelson 1980-7-21 6153 Siskiyou North Coast Ranges. Along Forest Serice road 40N08 ca. .6 miles from junction with State Route 3 1645 Comment
  HSC43445  Eriogonum siskiyouense Jennifer Whipple 1976-8-20 1719 Siskiyou SE slope of Mt. Eddy draining into the N Fork of Sacramento River 2256 Comment
  RSA50191  Eriogonum siskiyouense E. K. Balls 1949-7-8 13913 Siskiyou Trail from Scott Mountain Camp to Carmen Lake; Scott Mountain. 1753 Comment
  POM105392  Eriogonum sphaerocephalum Geo. D. Butler 1910-5-27 1417 Siskiyou Dry hill Yreka. Comment
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Jan 23 2011
  CAS-BOT-BC262727  Eriogonum sphaerocephalum var. halimioides Noel H. Holmgren; James L. Reveal 1966-6-9 2681 Siskiyou US 97, 5.5 miles south of Macdoel, 35 miles north of Weed 1341 Comment
  CAS-BOT-BC262759  Eriogonum strictum var. anserinum Louis C. Wheeler 1935-6-29 3625 Siskiyou Yreka 807 Comment
  CAS-BOT-BC263384  Eriogonum strictum var. proliferum Copeland 1903-9-7 3873 Siskiyou Mt. Eddy Comment
  HSC43452  Eriogonum strictum var. proliferum Jennifer Whipple 1977-8-4 2151 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2439 Comment
  JEPS93922  Eriogonum strictum var. proliferum Vernon H. Oswald and Lowell Ahart 1998-8-3 9407 Siskiyou 11.5 mi w of Gazelle ((USFS 41N03) 0.2 mi e of its junction with Gazelle-Callahan Road); USFS 41N03 1524 Comment
  UCD101201  Eriogonum strictum var. proliferum Dean William Taylor; G. Ledyard Stebbins 1972-7-4 1623 Siskiyou along Highway 3, about 3 miles east of Etna. 1066 Comment
  CAS-BOT-BC263445  Eriogonum ternatum Doris K. Kildale 1929-7-20 8621 Siskiyou South fork Indian Creek to Elk Lick 1524 Comment
  HSC71010  Eriogonum ternatum S. A. Harris 1981-7-31 606 Siskiyou Steep gravel slope 1402 Comment
  CAS-BOT-BC267928  Eriogonum umbellatum Louis C. Wheeler 1934-6-22 2759 Siskiyou Klamath National Forest. Cottonwood Creek 914 Comment
  CAS-BOT-BC267952  Eriogonum umbellatum A. A. Heller 1916-7-20 12469 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1524 Comment
  CAS-BOT-BC267953  Eriogonum umbellatum Isabelle C. Kimber 1934-6-9 25 Siskiyou Steelbridge Camp, Sacramento River just above confluence with Ney Creek 731 Comment
  HSC66355  Eriogonum umbellatum Maralyn A. Renner 1980-7-24 2022 Siskiyou Lily Pad Lake 1768 Comment
  CAS-BOT-BC267989  Eriogonum umbellatum var. argus A. A. Heller 1914-8-28 11742 Siskiyou East side of Mt. Eddy 2194 Comment
  RSA215606  Eriogonum umbellatum var. argus Gilbert Muth 1969-8-6 11846 Siskiyou Boulder Peak. 2530 Comment
  RSA0066290  Eriogonum umbellatum var. argus William J. Ferlatte 1966-8-2 240 Siskiyou Trinity Alps: Big Flat; wooded area near public camp. 1524 Comment
  CAS-BOT-BC268152  Eriogonum umbellatum var. humistratum Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  CAS-BOT-BC268153  Eriogonum umbellatum var. humistratum A. A. Heller 1918-7-16 13027 Siskiyou Mt. Eddy, west of Sisson 2651 Comment
  HSC91303  Eriophorum crinigerum Jennifer Whipple 1976-6-17 1026 Siskiyou Near Durney Lake 2073 Comment
  HSC43860  Eriophyllum lanatum Maralyn O'Meara 1974-5-25 370 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC92594  Eriophyllum lanatum Jennifer Whipple 1976-7-9 1392 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2226 Comment
  CAS-BOT-BC301117  Eriophyllum lanatum var. achilleoides Frank W. Peirson 1923-7-19 3915 Siskiyou 17 miles north of Bray Comment
  CAS-BOT-BC301129  Eriophyllum lanatum var. achilleoides Lewis S. Rose 1945-6-18 45123 Siskiyou Horse Creek & Klamath River 502 Comment
  JEPS69766  Eriophyllum lanatum var. achilleoides W. B. and V. G. Cooke 1972-6-30 45420 Siskiyou Military Pass Road Mt. Shasta 1524 Comment
  UC195257  Eriophyllum lanatum var. achilleoides Annie M. Alexander and Louise Kellogg 1911-6-4 111 Siskiyou Mayten Comment
  UC507152  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-7-6 E 120 Siskiyou 5 mi s of Bray Comment
  CAS-BOT-BC301130  Eriophyllum lanatum var. achilleoides Lewis S. Rose 1945-6-23 45180 Siskiyou Junction of Shata [Shasta] River & Klamath River 624 Comment
  HSC2272  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-5-23 1399 Siskiyou Humbug Mt. 1067 Comment
  RSA92292  Eriophyllum lanatum var. achilleoides F. W. Peirson 1923-7-19 3915 Siskiyou Open Tableland 17 miles north of Bray Comment
  SFV5161  Eriophyllum lanatum var. achilleoides B. C. Templeton 1960-6-21 8528 Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  RSA715933  Eriophyllum lanatum var. grandiflorum L. Ahart, John Dittes 2005-6-10 12090 Siskiyou About 150 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. 777 Comment
  UC507182  Eriophyllum lanatum var. grandiflorum Lincoln Constance 1928-6-1 Siskiyou s of Weed Comment
  CAS-BOT-BC308282  Eriophyllum lanatum var. integrifolium Elmer I. Applegate 1935-6-10 9490 Siskiyou Caldwell Butte, Lava Beds National Monument Comment
  CAS-BOT-BC308283  Eriophyllum lanatum var. integrifolium G. J. Muth 1969-8-6 1189 Siskiyou Boulder Peak 2529 Comment
  HSC22490  Eriophyllum lanatum var. integrifolium J. O. Sawyer 1969-7-9 1106 Siskiyou Between Horse Range and Little Duck Lake 2354 Comment
  JEPS95652  Eriophyllum lanatum var. integrifolium Vernon H. Oswald and L. Ahart 1999-7-5 9820 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southeast of Gazelle-Callahan Hwy., 0.6 mi north-west of the highway summit: T40N R7W Sect. 32, 5150 ft, mixed coniferous forest 1569 Comment
  HSC36774  Eriophyllum lanatum var. lanatum J. P. Smith 1974-5-25 7401 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  CAS-BOT-BC301706  Eriophyllum lanatum var. lanceolatum Philip A. Munz 1952-7-3 17920 Siskiyou Fort Goff Public Camp, Klamath River 365 Comment
  CAS-BOT-BC301711  Eriophyllum lanatum var. lanceolatum Elmer I. Applegate 1923-9-7 3952 Siskiyou Doggett Ridge, south slope of the Siskiyou Mountains Comment
  CAS-BOT-BC301718  Eriophyllum lanatum var. lanceolatum Elmer I. Applegate 1923-8-18 3859 Siskiyou Redshale Mountain, east of Medicine Lake Comment
  CAS-BOT-BC301723  Eriophyllum lanatum var. lanceolatum Marion Ownbey; Fred G. Meyer 1940-7-4 2174 Siskiyou Siskiyou Mountains, north-west of Hornbrook Comment
  JEPS29199  Eriophyllum lanatum var. lanceolatum Lauramay T. Dempster 1961-7-1 1826 Siskiyou along ridge from Condry Mountain to White Mountain Comment
  LA86564  Eriophyllum lanatum var. lanceolatum J. M. Tucker; L. K. Mann 1963-8-18 3763 Siskiyou Marble Mountain Wilderness Area, On top of saddle, between Marble and southwest ridge of Black Mountain 2103 Comment
  RSA183730  Eriophyllum lanatum var. lanceolatum Gilbert Muth 1965-7-29 134 Siskiyou Trail to Marble Mt., Lookout. Marble Mts. Comment
  SBBG8170  Eriophyllum lanatum var. lanceolatum H. and M. Dearing 1939-6-3 3534 Siskiyou near Scott Bar Comment
  UCR129902  Eriophyllum lanatum var. lanceolatum L. C. Wheeler 1958-8-18 7399 Siskiyou Mt. View Mine, West Fork Seiad Creek 1524 Comment
  CAS-BOT-BC301722  Eriophyllum lanatum var. lanceolatum Lester Rowntree 1935-6-6 s.n. Siskiyou Klamath River Comment
  UC618618  Erodium cicutarium unknown 1938-6-24 11084 Siskiyou MacBride Springs Mount Shasta Comment
  HSC67973  Erodium cicutarium J. P. Smith, Steve Selva 1970-6-15 3897 Siskiyou Oak Bottom Campground near Somes Bar. 229 Comment
  CAS-BOT-BC54577  Erysimum capitatum Doris K. Kildale 1928-7-2 5392 Siskiyou Salmon Summit via Horn Creek Trail. 1981 Comment
  CAS-BOT-BC54583  Erysimum capitatum C. L. Hitchcock; J. S. Martin 1939-7-7 5286 Siskiyou Sanger Peak, ca. 13 miles south Takilma, Oregon and just near California border. 1780 Comment
  CDA33622  Erysimum capitatum R. A. Price 2010-7-3 1655 Siskiyou Along Forest Service Road 17 (Stewart Springs Road); 5 miles east of crest. 0 Comment
  SEINET11249702  Erysimum capitatum var. capitatum L. E. Detling 1947-6-3 6057 Siskiyou Klamath NF, Happy Camp. 335 Comment
  RSA120812  Erysimum capitatum var. perenne Douglas Barbe 1955-7-6 116 Siskiyou Taylor Lake, Salmon Mtns. 1951 Comment
  CAS-BOT-BC55118  Erysimum perenne Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mountains. Skyhigh Lake. Comment
  CHSC33834  Erythranthe primuloides R. E. Preston 1981-8-22 141 Siskiyou N shore of Juanita Lake. 1556 Comment
  POM109650  Erythronium californicum Geo D. Butler 1909-4-24 661 Siskiyou Quartz Valley. Comment
  RSA78844  Erythronium grandiflorum subsp. grandiflorum Philip A. Munz 1952-7-2 17890 Siskiyou Road to Baldy Mountain, NW of Happy Camp, Siskiyou Mtns. 1524 Comment
  JEPS96994  Erythronium grandiflorum var. pallidum Dean W. Taylor 1999-6-10 17254 Siskiyou Marble Mountains, Mill Creek, ca. 4 miles W from Mugginsville in Quartz Valley, northerly facing slopes near watershed divide with Kidder Creek 1584 Comment
  HSC67576  Eschscholzia californica J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5726 Siskiyou Rd. 8, 3.5 mi. from junction with French Creek Rd. 915 Comment
  SEINET10476279  Eschscholzia californica David B. Dunn, Katherine L. Morris; Melvin L. Conrad 1973-6-2 Dunn 361 Siskiyou Found at the junction of shasta and klamath rivers on hwy 263. Comment
  JEPS22070  Eucephalus glabratus Rimo Bacigalupi 1958-9-3 6892 Siskiyou upper edges of Poker Flat, very close to the ne portion of Del Norte Co. Siskiyou Mountains, Poker Flat 1536 Comment
  SBBG25832  Eucephalus ledophyllus D. Myrick 1966-8-13 1556 Siskiyou Union Crk, near Mountain Meadow Ranch, Big Flat; Trinity Alps 2011 Comment
  HSC34267  Eucephalus ledophyllus var. ledophyllus J. P. Smith, J. O. Sawyer 1973-8-14 7318 Siskiyou W of Cliff Lake 1982 Comment
  JEPS100733  Eucephalus tomentellus Dean Wm. Taylor with Glenn L. Clifton 1987-8-5 9224 Siskiyou Tate Creek, at crossing of Forest Road 36N06, headwaters McCloud River drainage 1484 Comment
  HSC61117  Euchiton gymnocephalus Ruby Van Deventer Siskiyou F.S. Rd. 17N04; Doe Flat Comment
  UC455408  Euphorbia crenulata I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  UCR9594  Euphorbia esula D. O. Clark 1970-6-23 s.n. Siskiyou 2.5 mi. NW of Dorris, on E side of Mathews Road, 1.5 mi. north of Picards Road. Comment
  OBI4695  Euphorbia esula T. C. Fuller 1969-7-1 18619 Siskiyou SE of Flying K Ranch, Quartz Valley, S of Mugginsville Comment
  UCR66546  Euphorbia lathyris L. C. Wheeler 1934-11-4 03358 Siskiyou Marble Mtns, Scott Bar, Scott River 518 Comment
  POM210925  Euphorbia lathyris L. C. Wheeler 1934-11-4 3358 Siskiyou Marble Mountains: Scott Bar, Scott River. (Mt Diablo Mer.) 518 Comment
  RSA70536  Euphorbia lathyris L. C. Wheeler 1934-11-4 3358 Siskiyou Marble Mountains: Scott Bar, Scott River. (Mt Diablo Mer.) 518 Comment
  CDA38003  Euphorbia virgata CDFA Staff Jun 1973 s.n. Siskiyou Dorris. 0 Comment
  CAS-BOT-BC310635  Eurybia radulina Alice Eastwood 1921-7-24 10786 Siskiyou Castle Lake Comment
  JEPS31925  Eurybia radulina Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson Upper Sacramento, Mt. Shasta Comment
  JEPS31913  Eurybia radulina Geo. D. Butler 1908-7-22 293 Siskiyou roadside w of Forest House Mountain Comment
  SD64374  Euthamia occidentalis Darley F. Howe 1966-8-27 Siskiyou 3.2 miles north of Tule Lake 1310 Comment
  UCD98904  Fallopia japonica T. C. Fuller 1969-9-10 18887 Siskiyou 9055 Soquel Dr., also seen on freeway back of 9018 Soquel Dr., Rio Del Mar dist. E. of Aptos. Comment
  UCD65831  Festuca californica R. Tofsrud 1947-7-6 Siskiyou Near Gazelle. 1371 Comment
  CAS-BOT-BC278729  Festuca idahoensis Clarence R. Quick 1959-6-19 59 -04 Siskiyou 3 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  CAS-BOT-BC278730  Festuca idahoensis Lewis S. Rose 1945-6-18 45070 Siskiyou Horse Creek & Klamath River 502 Comment
  RSA715931  Festuca idahoensis L. Ahart, John Dittes 2005-6-10 12100 Siskiyou About 100 yards southeast of the pump house along the Shasta River, about 1.9 air miles south of Highway 99/97 Cutoff, about 6 air miles east-southeast of Grenada 777 Comment
  UC651084  Festuca pratensis A. A. Heller 1915-8-24 12214 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  SEINET10930646  Festuca pratensis Louis C. Wheeler 1935-6-2 Wheeler 3545 Siskiyou Damp sunny river flat, Shasta River. Siskiyou Mts. T45N R7W S1. Mt. Diablo Mer. 732 Comment
  JEPS80506  Festuca roemeri Gilbert Muth 1966-7-25 448 Siskiyou Marble Mt. Lookout Marble Mountain Wilderness Area 2097 Comment
  UCD66288  Festuca roemeri Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou Northeast face of Marble Mountain, Marble Mountains. 2225 Comment
  CAS-BOT-BC278640  Festuca subulata Ira L. Wiggins 1955-7-29 13591 Siskiyou Along Thompson Creek, 3.5 mi. above S Fork of Salmon River 1371 Comment
  RSA215653  Festuca viridula Gilbert Muth 1969-8-7 1261 Siskiyou On east side of Boulder Peak Ridge. 2470 Comment
  CAS-BOT-BC133121  Fragaria L. B. Kildale 1930-6-1 9855 Siskiyou Summit between Sawyers Bar and Etna Mills Comment
  HSC19062  Fragaria vesca J. O. Sawyer 1969-6-11 824 Siskiyou Lower slope near C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  UC221671  Fragaria vesca H. E. Brown Jun 11 1897-Jun 16 1897 348 Siskiyou n side Mt. Shasta 1524 Comment
  CAS-BOT-BC457570  Fragaria vesca subsp. californica Doris K. Kildale 1929-4-27 7555 Siskiyou Cecilville Comment
  CAS-BOT-BC59599  Frangula rubra subsp. rubra A. A. Heller 1905-6-22 8087 Siskiyou Between Igerna and Weed Comment
  CAS-BOT-BC223579  Fraxinus latifolia A. M. Vollmer; L. Beane 1951-6-2 46 Siskiyou Klamath River Highway, betw. U.S. 99 & Gottville Comment
  POM211258  Fraxinus latifolia Louis C. Wheeler 1934-9-15 3262 Siskiyou Walker, Klamath River, Siskiyou Mts. (Mt. Diablo Mer.) 518 Comment
  RSA289931  Fritillaria atropurpurea Geo D. Butler 1909-4-27 689 Siskiyou Quartz Valley Comment
  UC1001152  Fritillaria pudica Dorothy Parker 1949-4-4 212 Siskiyou Siskiyou Mountains, e side of Scott Valley, near Hartsval Gulch Scott Valley; Siskiyou Mountains, Scott Valley 859 Comment
  RSA289933  Fritillaria recurva Geo D. Butler 1909-4-14 596 Siskiyou Humbug Comment
  HSC19303  Galium bolanderi J. O. Sawyer 1969-6-10 806 Siskiyou S face near Sugar Lake 1829 Comment
  UC139300  Galium bolanderi Wm. M. Canby, Profs. C. S. Sargent and John Muir 1897-9-7 108 Siskiyou Mt. Shasta Comment
  POM258014  Galium bolanderi C. Leo Hitchcock, J. S. Martin 1939-7-7 5298 Siskiyou Ca 15 miles N of Happy Camp on Happy Camp-Takilma Hwy. 915 Comment
  POM68837  Galium bolanderi Geo. D. Butler 1908-8-21 413 Siskiyou Etna Creek. Comment
  HSC19813  Galium glabrescens Lauramay T. Dempster, Clare B. Hardham 1961-7-1 1820 Siskiyou White Mtn., just S of the Oregon border, E slope just below the peak Comment
  POM367847  Galium multiflorum Louis C. Wheeler 1934-8-14 3141 Siskiyou White Mtn. Siskiyou Mtns. 1951 Comment
  JEPS88934  Galium oreganum Joseph P. Tracy 1951-6-16 19504 Siskiyou at crossing of Takilma-Happy Camp Road (near State Line, summit of Siskiyous); Siskiyous Comment
  CAS-BOT-BC182246  Garrya fremontii Wm. Bridge Cooke 1941-6-11 16031 Siskiyou Along the Castle Lake road 1219 Comment
  CAS-BOT-BC182250  Garrya fremontii C. B. Wolf 1932-7-14 3868 Siskiyou 4 miles above junction of McClous road with Pacific Highway. Planted in flat, Rancho Santa Ana Botanic Garden 1188 Comment
  POM212181  Garrya fremontii Carl B. Wolf 1931-9-2 2392 Siskiyou Four miles above junction of McCloud Road with the Pacific Highway. 1189 Comment
  LA97737  Gaultheria ovatifolia J. M. Tucker; D. V. Hemphill 1974-7-27 4301 Siskiyou S side of Monument Lake, Marble Mountain Wilderness Area 1798 Comment
  UC1714622  Gayophytum diffusum subsp. parviflorum Milo S. Baker 126 Siskiyou near Medicine Lake; Payne's Springs Comment
  POM313456  Gayophytum diffusum subsp. parviflorum Paul C. Hutchison 1962-8-3 946 Siskiyou Just east of Paint Pot Crater between Grasshopper Flat and Little Medicine Lake 1784 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
  POM204499  Gayophytum humile Louis C. Wheeler 1934-6-22 2770 Siskiyou Siskiyou Mountains: Cottonwood Creek, Mt. Diablo Mer. 1006 Comment
  HSC91289  Gentiana calycosa Jennifer Whipple 1976-7-24 1562 Siskiyou SW of Dobkins Lake along the drainage into the lake 2256 Comment
  UC1483482  Gentiana newberryi Maralyn A. Renner 1980-8-19 2483 Siskiyou s side Caribou Lake; Klamath National Forest, Coffee Creek Quad. 2103 Comment
  UC741166  Gentiana plurisetosa C. C. and S. K. Harris 1939-8-29 976 Siskiyou Half Moon Meadow Marble Mountain Primitive Area; Half Moon Meadow, Marble Mt. Primitive Area, Siskiyou Co. 1670 Comment
  CDA33310  Gentianella amarella F. D. Horn 1979-8-15 Siskiyou South of Carmen Lakes area, west of Scott Mountain, southeast of Callahan. 0 Comment
  POM130560  Gentianella amarella E. B. Copeland 1903-9-6 3849 Siskiyou Mt. Eddy. Comment
  UC375385  Geum macrophyllum Geo. D. Butler 1910-6-19 351 Siskiyou Goosenest Foothills 1524 Comment
  UC722695  Geum triflorum C. L. Hitchcock, J. S. Martin 1939-7-9 5326 Siskiyou 1/2 mi se of King's Castle (Marble Mountains); Marble Mountains 1828 Comment
  POM75060  Gilia capitata Geo D. Butler 1908-8-6 32 Siskiyou Summit above Cold Spring, [Molly] Creek Comment
  UC163987  Gilia capitata subsp. capitata Geo. D. Butler 1910-5-8 1311 Siskiyou near Yreka; near Yreka Comment
  HSC26894  Glyceria elata J. P. Smith, J. O. Sawyer 1971-9-17 4788 Siskiyou On trail up to Little Duck lake 1829 Comment
  HSC30666  Glyceria striata Frederick W. Oettinger 1969-9-4 1654 Siskiyou Salmon Mtns., Tobacco Lake. 1890 Comment
  CAS-BOT-BC302670  Gnaphalium palustre Doris K. Kildale 1928-7-25 5896 Siskiyou Klamath River at Mack's Creek near Hamburg Comment
  CDA6018  Gnaphalium palustre T. R. Haig, F. D. Horn 1979-9-19 Siskiyou Sharp Mountain Reservoir southeast of Mount Hebron. 0 Comment
  UC4511  Goodyera oblongifolia W. H. Brewer 1862-9-16 1414 Siskiyou on Mount Shasta Mount Shasta Comment
  RSA237631  Goodyera oblongifolia Frederick W. Oettinger 1968-8-5 416 Siskiyou W end of Charmaine Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1921 Comment
  RSA69946  Grayia spinosa F. W. Peirson 1923-7-19 3716 Siskiyou About 2 miles S of Oregon line, Lowest Klamath Lake. Comment
  UCD169266  Grayia spinosa T. Bruchman 1978-7-1 147 -A Siskiyou Tule Lake National Wildlife Refuge, along Hill Road. Comment
  OBI55543  Grindelia nana David J. Keil, Kathleen Keil 1992-7-24 23568 Siskiyou E of McCloud along hwy 89, 18.9 mi W of Shasta County line. Comment
  SDSU2695  Grindelia nana D. F. Howe 1961-8-3 3178 Siskiyou 26.5 miles east of Shasta on #89. 1219 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
  SEINET12578750  Hackelia bella H. M. Hall 1909-1 8599 Siskiyou Salmon Mountains, Preachers Peak, Dorleska [Mine]. 2000 Comment
  RSA238560  Hackelia bella Frederick W. Oettinger 1967-8-13 262 Siskiyou About 30 yards SE of Tom Taylor Cabin. 2043 Comment
  SEINET10969142  Hackelia bella Melvin L. Conrad, David B. Dunn; Patricia L. Kenney 1973-6-2 Conrad 6984 Siskiyou Yellow pine, libocedrus, douglas fir, western hemlock forest, 17.4 mi ne of Cecilville store, on road to callahan. 2073 Comment
  JEPS101589  Hackelia californica Dean W. Taylor 1999-7-18 17274 Siskiyou headwaters of South Fork Hungry Creek (ca. 6 air miles southwest from Hilt) 1432 Comment
  POM72797  Hackelia californica Edward Palmer 1892-7-13 2437 Siskiyou Mount Shasta and vicinity Comment
  RSA12573  Hackelia californica C. B. Wolf 1934-7-6 6013 Siskiyou 0.5 mi. so. of Wagon Camp, So. slope of Mt. Shasta. 1524 Comment
  JEPS25633  Hackelia micrantha Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7272 Siskiyou Poker Flat 1536 Comment
  UC163856  Hackelia micrantha Geo. D. Butler 1908-8-6 13 Siskiyou Whiskey Camp Independence Creek Comment
  UC54749  Hackelia micrantha Harley P. Chandler June, 1901 1604 Siskiyou near Marble Mountain; Northern Coast Ranges 1828 Comment
  HSC626  Hackelia micrantha William J. Ferlatte 1966-7-7 213 Siskiyou NW side of Caribou Mtn. 1829 Comment
  RSA644033  Hackelia setosa Elaine Joyal, D. Mehlman 1988-6-25 1271 Siskiyou Happy Camp - Takilma road at turn-off to Bolan Lake 1524 Comment
  RSA0001258  Haplopappus racemosus subsp. pinetorum D. D. Keck 1938-8-8 4862 Siskiyou Scott Mtns., ridge between Mill and Mule Creeks, 3 mi. S.E. of Scott mt. Lodge. 1340 Comment
  UC54916  Hastingsia alba T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UCD15032  Hastingsia alba John M. Tucker; and Louis K. Mann 1963-7-7 3722 Siskiyou Marble Mountain Wilderness Area, ca. 1/4 mi. north of Paradise Lake; Comment
  RSA232529  Hastingsia alba Donald Myrick 1968-6-29 2055 Siskiyou Big Flat, head of Coffee Creek, Trinity Alps 1524 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
  UC609328  Hazardia whitneyi var. discoidea Eleanor Burks Hart 1938-8-20 954 Siskiyou below Red Cap 2316 Comment
  UC637160  Helenium autumnale Edward Lee 1934-8-12 1051 Siskiyou e end Seiad Valley (near mouth of Walker Creek, a tributary of the Klamath River); Klamath River, Walker Creek 426 Comment
  CDA6453  Helenium autumnale T. C. Fuller 1960-8-23 4966 Siskiyou ca. 1 mile southeast of Greenview, Scott Valley. 0 Comment
  HSC76711  Helenium bigelovii K. T. Stillman 1976-7-30 343 Siskiyou Marble Mtn. Wilderness Area, Upper Marble Valley. 1829 Comment
  RSA261538  Helenium bigelovii J. M. Tucker 1974-7-28 4306 Siskiyou Haypress Meadows, Marble Mtn Wilderness Area 1463 Comment
  UC1313024  Helenium bigelovii J. M. Tucker 1963-8-17 3738 Siskiyou lower Red Rock Valley Marble Mountain Wilderness Area (in vicinity of cabin) 1493 Comment
  HSC103638  Helianthella californica var. shastensis Thomas W. Nelson, Jane Nelson 1985-6-19 7819 Siskiyou In and about Scott Mountain Campground. 1646 Comment
  CAS-BOT-BC313460  Hemizonella minima L. E. Smith 1913-7-12 460 Siskiyou Igerna Comment
  POM215863  Herniaria hirsuta subsp. cinerea L. C. Wheeler 1935-6-15 3588 Siskiyou 3 miles W of Greenview, Scott Valley. 884 Comment
  UC163843  Hesperochiron pumilus Geo. D. Butler 1910-5-10 1326 Siskiyou Goosenest foothills 1676 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
  CDA17142  Heterotheca oregona G. F. Hrusa 2001-6-6 15856 Siskiyou Siskiyou Mountains; Along Hwy 96 at Scott R. Bridge. 426 Comment
  JEPS104877  Heterotheca oregona var. compacta Dean W. Taylor 1993-7-30 14019 Siskiyou Highway 3 about 7 miles east of Fort Jones (tributary to Scott River); Klamath National Forest 609 Comment
  UC201300  Heterotheca oregona var. oregona A. A. Heller 1917-9-7 12976 Siskiyou Comment
  CAS-BOT-BC311090  Heterotheca oregona var. rudis Geo. D. Butler 1909-10-3 976 Siskiyou Near Yreka Comment
  CAS-BOT-BC312295  Heterotheca villosa var. minor John Thomas Howell 1934-7-4 12405 Siskiyou SE corner of Siskiyou Co. Comment
  POM204112  Heterotheca villosa var. minor J. T. Howell 1934-7-4 12405 Siskiyou SE corner of Siskiyou County Comment
  CAS-BOT-BC420737  Heuchera merriamii W. R. Dudley 1901-8-23 s.n. Siskiyou Rocky peak of Foxtail Ridge Salmon Mts. Comment
  HSC61969  Heuchera merriamii Al Hobart 5 Aug [year missing] Siskiyou Preston Peak Comment
  RSA0063200  Heuchera merriamii Louis C. Wheeler 1934-8-2 3012 Siskiyou Head of Jaynes Canyon. Siskiyou Mtns. 2043 Comment
  RSA238313  Heuchera merriamii Frederick W. Oettinger 1967-8-17 278 Siskiyou Granite boulders on slope 1/2 mile SSW of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC64836  Heuchera micrantha J. P. Smith, Steve Selva 1970-6-14 3880 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  CAS-BOT-BC420936  Heuchera micrantha var. diversifolia Marion Ownbey; Fred G. Meyer 1940-7-4 2175 Siskiyou Dry, north slope, Siskiyou Mts., northwest of Hornbrook Comment
  UCD19520  Heuchera rubescens Charlotte K. Glenn 1967-1 137 Siskiyou Castle Lake 1584 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
  RSA120939  Hieracium albiflorum H. K. Wagnon 1957-8-11 1712 Siskiyou East slope of Mt. Shasta, along Ash Cr., ca. 1 mi N of Military Pass Rd. Comment
  HSC26559  Hieracium horridum J. P. Smith, J. O. Sawyer 1972-8-20 5751 Siskiyou Slope of Mt. Hoffman 2134 Comment
  UCD77771  Hieracium horridum Robert E. Preston 2001-8-26 1772 Siskiyou Klamath National Forest, Rainbow Mountain 2072 Comment
  CAS-BOT-BC316021  Hieracium scouleri P. A. Munz 1951-7-17 16602 Siskiyou Grasshopper Public Camp 2.5 mi. n.w. of Stuart Gap, North Yolla Bolly Mts. 1371 Comment
  HSC29126  Hieracium triste Frederick W. Oettinger 1968-8-8 448 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: Ridge above Upper English Lake near trail to English Peak 2165 Comment
  HSC4856  Holodiscus discolor J. O. Sawyer 1968-9-9 652 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  JEPS83829  Holodiscus discolor Wayne Roderick July 1978 Siskiyou Siskiyou mts.; vicinity Cook and Green Pass Comment
  SJSU6505  Holodiscus discolor R. W. Trivelpiece 1972-6-18 123 Siskiyou Douglas Cr near Klamath R c. 9 mi SW of Happy Camp 792 Comment
  CAS-BOT-BC152366  Holodiscus discolor var. discolor L. R. Short 1933-6-16 39 Siskiyou Klamath River 609 Comment
  CAS-BOT-BC152375  Holodiscus discolor var. discolor Annie M. Alexander; Louise Kellogg 1949-7-31 5906 Siskiyou Edge of trail at entrance to valley, Sky High Valley, Marble Mountains 1767 Comment
  RSA597964  Holodiscus microphyllus var. microphyllus Louis C. Wheeler 1963-8-31 8324 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1524 Comment
  CAS-BOT-BC289281  Hordeum brachyantherum subsp. brachyantherum Alice Eastwood 1921-7-28 10937 Siskiyou Medicine Lake Comment
  CHSC91359  Hordeum depressum Lowell Ahart; John Dittes 2005-6-9 12001 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
  RSA715639  Hordeum depressum L. Ahart, John Dittes 2005-6-9 12001 Siskiyou 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 22 1/2 miles (air) east-southeast of Grenada. 775 Comment
  UC116852  Horkelia daucifolia K. Brandegee July 1887 Siskiyou near Klamath River (Ager) Comment
  JEPS44539  Horkelia daucifolia Geo. D. Butler 1909-4-27 603 Siskiyou Comment
  UC1505709  Horkelia fusca subsp. parviflora Robert T. Clausen and Harold Trapido 1940-7-27 4962 Siskiyou 6.25 mi nne summit of Mt. Shasta; Southern Cascade Mts., Sacramento River Basin 1828 Comment
  UC1584622  Horkelia fusca subsp. parviflora Dean Wm. Taylor with Rexford E. Palmer 1988-6-23 9859 Siskiyou Hambone Hambone SW 15' quad 1341 Comment
  UC618833  Horkelia fusca subsp. parviflora W. Bridge Cooke 1938-7-15 11229 Siskiyou above Bear Springs; Mount Shasta 1676 Comment
  JEPS113065  Horkelia fusca var. brownii Roy Buck 1987-6-27 732 Siskiyou along USFS Road 41N36 ca 20 mi NE of Bartle Comment
  SBBG15762  Horkelia fusca var. parviflora D. Myrick 1961-6-20 286 Siskiyou rd to Bear Springs E of Mt Shasta City 1371 Comment
  CAS-BOT-BC536227  Horkelia fusca var. parviflora W. R. Dudley 1899-8-15 s.n. Siskiyou Glazier Comment
  JEPS69758  Horkelia tridentata W. B. and V. G. Cooke 1972-7-6 45457 Siskiyou along Mud Creek Dam Road Mt. Shasta 10 Comment
  UC185648  Horkelia tridentata subsp. tridentata Dr. E. B. Copeland 1903-9-5 3865 Siskiyou Igerna Comment
  UC860237  Horkelia tridentata subsp. tridentata A. A. Heller 1916-8-24 12565 Siskiyou near Sisson 1077 Comment
  CAS-BOT-BC201126  Hosackia crassifolia Doris K. Kildale 1928-7-2 5390 Siskiyou Salmon Summit via Horn Creek trail 1981 Comment
  HSC24693  Hosackia crassifolia J. O. Sawyer 1969-7-23 1171 Siskiyou Near Horse Range Creek 1341 Comment
  UCD106083  Hosackia crassifolia R. Tofsrud; J. M. Tucker 1948-8-2 1754 Siskiyou Open Yellow Pine woods, outskirts of McCloud. Comment
  UCD77837  Hosackia oblongifolia Robert E. Preston 2002-7-11 1897 Siskiyou Klamath National Forest, Trout Creek Meadow 1505 Comment
  HSC82352  Hosackia oblongifolia var. oblongifolia Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4525 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  SBBG30555  Hosackia oblongifolia var. oblongifolia D. Myrick 1968-6-29 2057 Siskiyou Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  HSC44574  Hosackia oblongifolia var. oblongifolia Laura Witherspoon 1977-7-30 Siskiyou Flint Valley 1341 Comment
  CHSC63336  Hosackia pinnata Vernon H. Oswald; Lowell Ahart 1994-7-11 6401 Siskiyou Gumboot Creek on the upstream side of Forest Rd. 26 (to Mt. Shasta), ca. 0.5 mi NE of Gumboot Lake, W of Dunsmuir. 1783 Comment
  UC90396  Hulsea nana J. D. Hooker and A. Gray 1877-1 Siskiyou Shasta Comment
  HSC77016  Hydrophyllum occidentale K. T. Stillman 1976-6-25 37 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  CAS-BOT-BC312854  Hymenoxys lemmonii Geo. D. Butler 1910-7-4 1640 Siskiyou Shasta River Comment
  UC177234  Hymenoxys lemmonii Geo. D. Butler Siskiyou Comment
  SBBG25919  Hypericum anagalloides D. Myrick 1966-8-11 1536 Siskiyou Adams Lake, Mountain Meadow Ranch, Big Flat, Trinity Alps 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
  UC61687  Hypericum anagalloides Geo. B. Grant Sept., 1902 5247 Siskiyou Shasta Springs, Mt. Shasta Mt. Shasta 609 Comment
  SEINET5343937  Hypericum anagalloides G. Butler 1910-7-12 1765 Siskiyou Shackleford Creek 1219 Comment
  RSA238860  Hypericum androsaemum Frederick W. Oettinger 1968-8-7 444 Siskiyou Inlet to Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CHSC739  Hypericum formosum var. scouleri 1936-6-30 Siskiyou Mt. Shasta City. 1097 Comment
  JEPS66806  Hypericum formosum var. scouleri W. L. Jepson July, 1894 13961 Siskiyou Sisson Comment
  RSA105441  Hypericum perforatum G. D. Barbe 1955-7-1 072 Siskiyou 1.3 miles east of Etna on the Westside Rd. to Callahan. 854 Comment
  CAS-BOT-BC401287  Hypericum perforatum H. A. Thomas; J. H. Thomas 1954-7-21 4386 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 975 Comment
  RSA31633  Idahoa scapigera A. A. Heller 1929-5-4 14864 Siskiyou Near Edgewood. Comment
  UC725668  Iliamna bakeri A. A. Heller 1938-7-12 15253 Siskiyou along US Highway 49, 10 miles northeast of Weed; Upper Sonoran Life Zone Comment
  UC1408777  Ipomopsis aggregata Frederick W. Oettinger and R. F. Thorne 1969-8-8 1282 Siskiyou near English Lake Salmon Mountains, Marble Mountain Wilderness Area (upper edge of Sundew Bog) 1828 Comment
  RSA463113  Ipomopsis aggregata S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  HSC30431  Ipomopsis aggregata subsp. aggregata Frederick W. Oettinger 1968-8-17 551 Siskiyou Marble Mtn. Wilderness Area, on steep switchback slope on Pine Lake trail 2073 Comment
  UC1040721  Ipomopsis congesta W. Bridge Cooke 1956-7-16 30294 Siskiyou above Hotlum Station (along old logging rd); Moutn Shasta, n side 1524 Comment
  HSC17050  Ipomopsis congesta R. C. Wunner 1965-6-26 285 Siskiyou Lava Beds National Monument, Schonchin Butte near top 1614 Comment
  CAS-BOT-BC133533  Iris bracteata C. L. Hitchcock; J. S. Martin 1939-7-7 5270 Siskiyou Sanger Peak Trail, ca. 13 miles south of Takilma, Oregon 1066 Comment
  JEPS17362  Iris hartwegii Milo S. Baker 1893-8-6 Siskiyou Comment
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Jan 4 2012
  RSA366842  Iris missouriensis Christopher Davidson 1975-6-5 2667 Siskiyou 0.8 mi. from gate on special service rd. branching SE of rd from Gazelle to Callahan, ca. 9.3 miles W of Gazelle. Klamath Nat. Forest. 1509 Comment
  UC4296  Iris tenuissima Harley P. Chandler Jun 1901 1570 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  CHSC96007  Isatis tinctoria L. P. Janeway 2006-7-3 8777 Siskiyou Klamath Ranges. Salmon Mountains; along the main road across steep slope north above upper Carter Meadows. 1847 Comment
  HSC100274  Isatis tinctoria J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13069 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2005 Comment
  UC375299  Isatis tinctoria Geo. D. Butler 1909-6-13 804 Siskiyou near Fort Jones Comment
  CAS-BOT-BC88658  Isatis tinctoria George Dexter Butler 1910-6-7 1534 Siskiyou Scott River. Comment
  CAS-BOT-BC88664  Isatis tinctoria George Dexter Butler 1910-6-7 1534 Siskiyou Scott River. Comment
  HSC6799  Isatis tinctoria Dorothy Parker 1949-6-30 Siskiyou Patterson Creek, Scott Valley 854 Comment
  RSA237973  Isoetes bolanderi Frederick W. Oettinger 1969-7-29 1095 Siskiyou At Dry Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2027 Comment
  HSC76668  Ivesia gordonii var. alpicola K. T. Stillman 1976-7-22 288 Siskiyou Marble Mtn. Wilderness Area Comment
  HSC85693  Ivesia pickeringii J. P. Smith 1980-8-24 10345 Siskiyou Klamath National Forest. SR 3, 2.7 miles from Scott Mtn. summit, at road to Carmen Lake 1341 Comment
  JEPS109907  Ivesia pickeringii Dean W. Taylor 1996-7-11 15781 Siskiyou Scott Mountains; West Fork Parks Creek (about 15 air miles west of Weed & 1 air mile west of Stewart Springs); Shasta-Trinity National Forest 1328 Comment
  CAS-BOT-BC110018  Juncus Melissa A. Berry 1957-7-4 s.n. Siskiyou High CCC Road, south of Highway 96, between Ridge and Humbug roads. 1371 Comment
  CDA42385  Juncus articulatus Jodi Aceves 2014-8-15 PDR# 470 P06027656 Siskiyou 0 Comment
  RSA577914  Juncus balticus subsp. ater L. C. Wheeler 1935-6-23 3593 Siskiyou Shasta River, 2 miles NW Montague. 884 Comment
  HSC96558  Juncus drummondii Gordon Leppig 1998-8-14 1028 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  HSC71097  Juncus ensifolius Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4512 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  UC1108536  Juncus ensifolius Ira L. Wiggins 1955-7-21 13430 Siskiyou 7 mi above Cecilville (near Mt. View Ranch); South Fork of Salmon River 975 Comment
  JEPS100713  Juncus hemiendytus var. hemiendytus Dean W. Taylor 1991-6-12 11898 Siskiyou Adobe Flat, ca. 4 miles N of Timbered Crater 1106 Comment
  JEPS109262  Juncus howellii D. W. Taylor 2002-8-7 18297 Siskiyou Trinity Mountains; logging road below Tamarack Lake, E Fork Trinity River, seepage area ca 300 m S of area shown on topographic maps as 499IT, 0.2 mi N of the creek crossing. Comment
  HSC22182  Juncus mertensianus J. O. Sawyer 1968-7-22 554 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  CAS-BOT-BC110803  Juncus mertensianus Harry R. Saxton; Roy H. Canfield 1922-7-11 3 Siskiyou Klamath Forest. Mud Springs. 1676 Comment
  UCD141353  Juncus mexicanus Harold L. Lint; Mary E. Lint 1967-8-7 C 657 Siskiyou Panther Meadows on slopes of Mt. Shasta. Comment
  HSC69218  Juncus orthophyllus Maralyn A. Renner 1980-8-31 2625 Siskiyou Twin Valley. 1494 Comment
  JEPS94883  Juncus tiehmii Vernon H. Oswald and Lowell Ahart 1998-7-21 9362 Siskiyou e of Grass Lake (ne of Weed, and w of Bray on Old State Highway 0.8 mi e of Tennant Road); Old State Highway 1417 Comment
  CAS-BOT-BC80905  Juniperus Marcus E. Jones 1926-1-20 s.n. Siskiyou Yaqui Well, Colorado Desert Comment
  CAS-BOT-BC81134  Juniperus communis Arthur Menzies 1956-8-1 s.n. Siskiyou Above Panther Meadow, Mt. Shasta 2743 Comment
  CAS-BOT-BC81142  Juniperus communis Louis C. Wheeler 1934-8-14 3123 Siskiyou Klamath National Forest, 1/2 mi. W. White. Mt. 1920 Comment
  JEPS74637  Juniperus communis Richard McP. Brown 1974-7-27 Siskiyou near shore at southeastern corner Caribou Lake (Trinity Alps, Klamath National Forest); Klamath National Forest, Trinity Alps, Caribou Lake 2087 Comment
  CAS-BOT-BC81219  Juniperus occidentalis C. H. M. 1919-9-24 s.n. Siskiyou Ager Comment
  CAS-BOT-BC81234  Juniperus occidentalis Elmer I. Applegate 1932-4-15 7060 Siskiyou Scott Valley, east side Comment
  CAS-BOT-BC81242  Juniperus occidentalis Elmer I. Applegate 1904-6-15 3082 Siskiyou Laird, Shasta Valley Comment
  UCD133788  Juniperus occidentalis Jo Ann Olson; Gary R. Robbins 1969-2-15 7 Siskiyou Near U.S. Highway 97 in vicinity of Whitney Creek, north side of Mt. Shasta. 1127 Comment
  HSC23554  Kalmia polifolia J. O. Sawyer 1970-6-17 2204 Siskiyou Little Duck Lake Creek 2012 Comment
  HSC4848  Kalmia polifolia J. O. Sawyer 1968-7-2 366 Siskiyou Upper drainage of Joe Creek 1677 Comment
  RSA293279  Keckiella corymbosa D. C. Michener 1980-8-3 3772 Siskiyou Klamath Mtns. Along the Klamath River and CA 96, 5.5 miles south of Happy Camp [from jct with Elk Creek Rd.] 350 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
  CAS-BOT-BC246177  Keckiella lemmonii A. A. Heller 1916-7-23 12493 Siskiyou Dunsmuir, along the road 640 Comment
  HSC8130  Kelloggia galioides Richard Spjut 1970-7-17 464 Siskiyou 16 mi. W of Mt. Shasta Lake, in campground at lake 1829 Comment
  POM68801  Kelloggia galioides Geo. D. Butler 1910-7-9 1707 Siskiyou Shackleford Creek. 1220 Comment
  UC917333  Kelloggia galioides R. Tofsrud and J. M. Tucker 1948-8-4 1785 Siskiyou ca 1.5 mi nw McCloud Comment
  RSA0078643  Kopsiopsis strobilacea Frederick W. Oettinger 1968-8-18 572 Siskiyou On the SW running ridge of Little Medicine Mt. due north of Tobacco Lake. 1920 Comment
  POM147897  Lactuca canadensis J. B. Feudge 1927-7-22 1780 Siskiyou Mt. Shasta City 1067 Comment
  CAS-BOT-BC340437  Lactuca saligna Doris K. Kildale 1925-9-6 1284 Siskiyou Somes Bar, near junction of Salmon & Klamath River Comment
  HSC68067  Lagophylla ramosissima J. P. Smith 1976-5-22 8788 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  CAS-BOT-BC341701  Lagophylla ramosissima Louis C. Wheeler 1934-7-16 2905 Siskiyou Gottville, Klamath River, Siskiyou Mts. 563 Comment
  UC2026967  Lapsana communis Anthony Baniaga 2011-7-8 428 Siskiyou Klamath National Forest. Along Salmon River, on highway 93 Comment
  CAS-BOT-BC204931  Lathyrus Roxana S. Ferris; Laura Lorraine 1948-6-12 11828 Siskiyou 1 mi. below summit of Gazelle Mt. grade, w. side, Gazelle-Callahan Road 1219 Comment
  JEPS100876 Image available Lathyrus brownii Dean W. Taylor 1997-6-11 16043 Siskiyou Moffett Creek, Scott River drainage, head Sissel Gulch 1676 Comment
  UC163827  Lathyrus brownii Geo. D. Butler 1910-6-3 1474 Siskiyou Greenhorn Mountain Comment
  JEPS55248  Lathyrus jepsonii var. californicus W. L. Jepson 1894-8-9 13617 Siskiyou Shasta Springs Comment
  JEPS96695  Lathyrus lanszwertii var. aridus Dean Wm. Taylor with Craig Martz, Joe Molter, Barbara Williams, Julie Nelson 1997-5-4 15984 Siskiyou ca. 4 air mi. s.w. Gazelle; Scott Mts., Yreka Ditch, Shasta Valley; ca. 4 air mi. s.w.; hillslopes of Scott Mts. along the Yreka Ditch, bordering Shasta Valley 960 Comment
  UC1258450  Lathyrus nevadensis var. nevadensis Maralyn A. Renner 1980-6-26 1177 Siskiyou n edge Flint Valley; Klamath National Forest, Dillon Mtn. Quad. 1389 Comment
  HSC60891  Leersia oryzoides Ken Stillman 1976-8-24 433 Siskiyou Along Klamath River at Williams Point. 366 Comment
  CAS-BOT-BC88862  Lepidium campestre Dorothy Parker 1946-6-6 s.n. Siskiyou Plowman's Valley. 1188 Comment
  HSC41626  Lepidium campestre Barbara Kelly 1977-5-21 483 Siskiyou Parking lot at Callahan, next to grocery store Comment
  CAS-BOT-BC88927  Lepidium densiflorum var. densiflorum A. A. Heller 1916-8-24 12561 Siskiyou Near Sisson. 1013 Comment
  JEPS53595  Lepidium densiflorum var. densiflorum Geo. D. Butler 1908-6-25 130 Siskiyou near Yreka (Butler's Ranch) Comment
  UC166134  Lepidium densiflorum var. macrocarpum Geo. D. Butler 1910-6-27 1612 Siskiyou Yreka Creek Comment
  CAS-BOT-BC89826  Lepidium montanum A. A. Heller 1905-6-19 8068 Siskiyou Shasta Valley near Grenada Station. Comment
  HSC59843  Lepidium pinnatifidum Clark L. Miller 1979-4-28 1107 Siskiyou 12 mi. E of Hwy. 96 along road to Forks of Salmon Comment
  SEINET14160959  Leptosiphon bolanderi D. W. Taylor 2003-5-21 18579 Siskiyou Mount Shasta, Weed ca. 2 miles west of downtown, situated just south of Interstate 5, 1.6 miles west from the North Weed exit, Shasta National Forest. 982 Comment
  RSA31680  Leptosiphon ciliatus A. A. Heller 1938-7-12 s.n. Siskiyou Along US Hwy. 97, 5 miles north of Weed Comment
  RSA42333  Lesquerella kingii subsp. diversifolia Lincoln Constance, H. L. Mason 1947-5-17 3199 Siskiyou Summit of NW spur of Scott Mountain. 183 Comment
  HSC95468  Lessingia nemaclada G. Fred Hrusa 1997-9-18 14103 Siskiyou At intersection of Hwy. 3 and Callahan/ Gazelle Rd. 1000 Comment
  RSA151805  Lessingia nemaclada H. K. Sharsmith, Francia Chisaki 1959-8-20 4738 Siskiyou Wildcat Canyon road ca. 4 miles west of Callahan. 1067 Comment
  HSC4870  Leucothoe davisiae J. O. Sawyer 1968-7-9 401 Siskiyou Ridge between Sugar Creek and Duck Lake drainages, Sugar Creek near Sugar Lake 2195 Comment
  RSA355695  Leucothoe davisiae Dave Kelly, W. Wisura, A. Kelly 1986-7-29 4132 Siskiyou S side of Hancock Lake, Marble Mtn. Wilderness. Comment
  SBBG30595  Lewisia cotyledon D. Myrick 1968-6-27 2042 Siskiyou trail to Lake Josephine above Carter's Ranch, 5 mi S of Big Flat, head of Coffee Crk 1828 Comment
  CAS-BOT-BC444042  Lewisia cotyledon var. cotyledon Lester Rowntree 1937-7-27 s.n. Siskiyou Caribou Lakes, Siskiyou Lakes [County?] Comment
  CAS-BOT-BC444043  Lewisia cotyledon var. cotyledon Grace Wood 1919-5-9 s.n. Siskiyou Oak Bar Comment
  JEPS25554  Lewisia cotyledon var. howellii Maxine Gibeson 1961-5-13 Siskiyou on large cliff...across Klamath River from Calif. Highway no. 96 (1 mi e of Walker Bridge, almost directly across from Oak Knoll Ranger Sta., 9 1/2 mi w of commun. of Klamath River) 524 Comment
  CAS-BOT-BC444079  Lewisia leeana John Thomas Howell 1937-7-24 13437 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CHSC1369  Lewisia leeana M. Yoder 1941-6-28 Siskiyou Castle Lake. 1981 Comment
  UCD19278  Lewisia leeana Julie Knorr 1980-7-15 65 Siskiyou 1 mi. up Houston Creek Trail above road, rocky outcrop. 1950 Comment
  CDA15521  Ligusticum apiifolium G. F. Hrusa 1998-7-5 14689 Siskiyou Siskiyou Mountains; Bear Creek Rd. +- 1/2 mi. N of Hwy 96 and 10 mi. SW of Happy Camp. Sheet 1 of 2 Comment
  HSC81751  Ligusticum californicum Thomas W. Nelson, Jane P. Nelson 1980-7-20 6188 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  HSC23691  Ligusticum grayi J. O. Sawyer 1969-8-4 1867 Siskiyou Slope SW of Sugar Lake 2195 Comment
  JEPS74145  Ligusticum grayi J. M. Tucker 1974-7-28 4313 Siskiyou Marble Mountain Wilderness Area Haypress Meadows; , Haypress Meadows 1463 Comment
  HSC76742  Lilium kelleyanum K. T. Stillman 1976-7-15 269 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  CAS-BOT-BC130871  Lilium pardalinum subsp. wigginsii A. M. Vollmer; L. Beane 1953-7-1 112 Siskiyou Hamburg, Klamath River Comment
  CAS-BOT-BC438792  Lilium pardalinum subsp. wigginsii Dana York; Jim Shevock 2012-7-20 3116 Siskiyou Klamath National Forest, Siskiyou Mountains, 4 km W-SW of Cook and Green Pass, moist slope above Lily Pad Lake. 1780 Comment
  CHSC4536  Lilium washingtonianum subsp. washingtonianum J. E. Bowlin 1967-7-18 62 Siskiyou Ca. 4.2 mi w of Mount Shasta Ski Bowl, and 1-10 yds. Off the road. 1950 Comment
  HSC76660  Lilium washingtonianum subsp. washingtonianum K. T. Stillman 1976-7-22 291 Siskiyou Marble Mtn. Wilderness Area Comment
  UC61185  Lilium washingtonianum subsp. washingtonianum W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson; Mount Shasta Comment
  CAS-BOT-BC123091  Lilium wigginsii Lawrence Beane; Albert Michael Vollmer 1954-7-16 1266 Siskiyou Siskiyou Mountains near Oregon border west of Hwy 99 Comment
  RSA139035  Linaria dalmatica T. C. Fuller 1960-6-30 4649 Siskiyou Mt. Hebron-Medicine Lake Road, just E/Rock Rock School Rd. Comment
  UCD123898  Linaria dalmatica subsp. dalmatica T. C. Fuller 1960-6-30 4649 Siskiyou Mt. Hebron-Medicine Lake Road, just E/Rock Rock School Road. Comment
  CAS-BOT-BC416401  Linnaea borealis subsp. longiflora Ira L. Wiggins 1955-7-23 13467 Siskiyou Ridge west of China Creek, south side of south fork of Salmon River 1097 Comment
  UC70413  Lithocarpus densiflorus Milo S. Baker Jul 1899 Siskiyou Shasta Springs Comment
  JEPS47678  Lithophragma campanulatum W. L. Jepson 1907-7-5 2825 Siskiyou Marble Mt. 2133 Comment
  UCD58332  Lithospermum arvense Steve Orloff 2007-5-22 1 Siskiyou On Island Road in Scott Valley just south of Ft. Jones. Comment
  CAS-BOT-BC325944  Lithospermum californicum Elmer I. Applegate 1895-5-28 491 Siskiyou Eighteenth crossing SPRR [Southern Pacific Railroad] on Sacramento below Sisson. Comment
  CAS-BOT-BC283562  Lolium multiflorum Geo. D. Butler 1909-9-5 864 Siskiyou Near Yreka Comment
  UC165310  Lomatium californicum Geo. D. Butler 1910-5-18 1359 Siskiyou near Yreka Comment
  UC1001183  Lomatium californicum Dorothy Parker 1953-5-12 528 Siskiyou w. side Scott Valley; Siskiyou Mts., Scott Valley 883 Comment
  RSA184693  Lomatium dissectum var. multifidum Gilbert Muth 1966-7-25 447 Siskiyou Marble Mountain Lookout, Marble Mountains 2098 Comment
  RSA22254  Lomatium engelmannii J. T. Howell 1937-7-29 13656 Siskiyou Scott Mountain between Trinity and Siskiyou counties Comment
  UC923160  Lomatium macrocarpum Freed W. Hoffman 1950-7-13 3287 Siskiyou Baldy Mountain Lookout North Coast Ranges, western Siskiyou Co. Comment
  UCR37581  Lomatium macrocarpum L. P. Janeway 1983-7-3 372 Siskiyou Ridgetop NW of Poker Flat. (Siskiyou crest) 1585 Comment
  RSA215602  Lomatium macrocarpum Gilbert Muth 1969-8-6 1204 Siskiyou Boulder Peak. 2530 Comment
  UC165257  Lomatium nudicaule Geo. D. Butler 1909-5-7 745 Siskiyou hills near Yreka Comment
  SEINET8756631  Lomatium nudicaule D. Butler 1910-5-18 1359 Siskiyou Near Yreka Comment
  UC923168  Lomatium nudicaule Freed W. Hoffman 1950-7-11 3279 Siskiyou Elk Valley rd. 2.1 mi. from junction with Klamath R. hwy. (w. Siskiyou Co.); North Coast Ranges, w. Siskiyou Co. 457 Comment
  UC1552566  Lomatium peckianum Joe Molter and Sandy Maurer 1988-6-3 Siskiyou ca 3 mi s Hornbrook (on e side of Klamath River); e side of Klamath River 800 Comment
  HSC27682  Lonicera hispidula var. vacillans Carl W. Mize 1972-6-10 45 Siskiyou N Slope. 762 Comment
  CAS-BOT-BC240848  Lonicera interrupta Alice Eastwood; John Thomas Howell 1936-6-13 2763 Siskiyou Junction of Klamath and Shasta rivers Comment
  RSA610629  Lonicera interrupta L. C. Wheeler 1934-6-26 2784 Siskiyou Klamath River at Camp Lower; Siskiyou Mts. Mt. Diablo Mer. 762 Comment
  CHSC86459  Lotus corniculatus Jenny Marr 1993-7-1 76 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  HSC103350  Lotus crassifolius var. crassifolius Thomas W. Nelson, Jane Nelson 1983-7-29 7510 Siskiyou Along Forest Service Rd. 41N14, 5 mi. N of junction with Callahan-Cecilville County Rd., at crossing over Sugar Creek. 1433 Comment
  JEPS41318  Lotus crassifolius var. crassifolius Ruby Van Deventer 1939-7-18 28 Siskiyou s of Little Greyback (Kelley Lake Trail, near Kelley Lake) 1219 Comment
  JEPS75371  Lotus oblongifolius var. oblongifolius Geo. D. Butler 1908-8-21 397 Siskiyou Etna Creek 1158 Comment
  UC1034602  Lotus oblongifolius var. oblongifolius Douglas Barbe 1955-6-29 48 Siskiyou 1.8 mi e Callahan (s bank of Scott River); Klamath Mountains, Scott River 975 Comment
  UC1483453  Lotus oblongifolius var. oblongifolius Maralyn A. Renner 1980-6-25 1084 Siskiyou West Fork, Little South Fork Indian Creek Klamath National Forest, Preston Peak Quad. 1219 Comment
  JEPS75373  Lotus purshianus var. purshianus Geo. D. Butler 1908-8-4 391 Siskiyou Head of Shackleford Creek 1676 Comment
  SD104874  Luina hypoleuca Darley Howe 1979-6-25 5194 Siskiyou 7.0 miles southeast of Somes Bar. Comment
  UC865577  Lupinus A. A. Heller 1916-7-19 12458 Siskiyou near Sisson; near Sisson 1074 Comment
  RSA119507  Lupinus albicaulis var. shastensis W. Bridge Cooke 1938-7-29 386 Siskiyou Mt. Shasta 1220 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
  SEINET10838378  Lupinus albifrons var. flumineus Edwin B. Copel 1903-7-3 Copeland 3527 Siskiyou On dry hills Comment
  UC909320  Lupinus aridus Dorothy Parker 1948-7-14 Siskiyou 2 mi from Etna ( Scott Valley) 670 Comment
  UC796571  Lupinus bicolor Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11727 Siskiyou French Creek Logging Road w Callahan; French Creek Logging Road 1066 Comment
  OBI59150  Lupinus bicolor Rhonda Riggins 1993-6-16 1686 Siskiyou Vacant lot at Main St and Lawrence Dr, Yreka Comment
  JEPS117905  Lupinus breweri var. breweri L. P. Janeway 2008-7-23 9480 Siskiyou crest of mountain 2.1 air km northeast of Condrey Mountain Siskiyou Mountains; Klamatha Ranges 2115 Comment
  CAS-BOT-BC215184  Lupinus croceus Alice Eastwood 1912-8-30 1991 Siskiyou Mount Eddy Comment
  HSC92403  Lupinus croceus Jennifer Whipple 1976-6-30 1206 Siskiyou SE slope of Mount Eddy draining into the N fork of the Sacramento River 2256 Comment
  UC1608316  Lupinus croceus J. Kierstead 1990-7-18 90 -106 Siskiyou Forest Service Rd. 40N26 w Gumboot Lake (Mt. Shasta Ranger Dist.); , w of Gumboot Lake 1950 Comment
  CHSC69477  Lupinus croceus var. croceus James D. Jokerst 1992-7-30 3423 Siskiyou Top of divide between Trinity River, summit of reddish mountains S of road crossing saddle. Comment
  SEINET10485330  Lupinus formosus Bruce A. Bohm, H. M. Banek 1980-5-6 Bohm BAB- 1378 Siskiyou I 5 roadside. Comment
  CAS-BOT-BC8327  Lupinus lapidicola Amos Arthur Heller 1919-7-9 13422 Siskiyou Mt. Eddy 2438 Comment
  HSC69357  Lupinus latifolius Maralyn A. Renner 1980-8-21 2579 Siskiyou Kidd Creek 2043 Comment
  SEINET11161339 Image available Lupinus latifolius A. A. Heller 1914-1 11709 Siskiyou Deetz station 1158 Comment
  RSA582445  Lupinus latifolius subsp. latifolius Louis C. Wheeler 1935-6-13 3573 Siskiyou Shackleford Creek. Marble Mtns. 976 Comment
  UCD108215  Lupinus latifolius var. viridifolius A. A. Heller 1920-7-3 13408 Siskiyou at Metcalf's ranch, northeast base of Mt. Eddy. Comment
  UC1034651  Lupinus lepidus var. lobbii Milo S. Baker 1950-6-28 13091 Siskiyou roadbank s Weed; Klamath Mountains, s of Weed 1066 Comment
  JEPS83253  Lupinus lepidus var. sellulus Geo. D. Butler 1908-8-2 368 Siskiyou Shackelford Creek; Quartz Valley, Shackelford Creek Comment
  UC796665  Lupinus lepidus var. sellulus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11759 Siskiyou French Creek Logging Road w Callahan; French Creek Logging Road 1066 Comment
  UC909328  Lupinus leucophyllus Dorothy Parker 1948-8-5 160 Siskiyou dry sandy field, e. fork of Scott River E Fork of Scott River; Plowman's Valley, e. fork of Scott River 1188 Comment
  HSC14841  Lupinus leucophyllus Dorothy Parker 1949-6-16 322 Siskiyou Along the Etna-Callahan Rd., Scott Valley 869 Comment
  JEPS65317  Lupinus leucophyllus Geo. D. Butler 1909-5-14 703 Siskiyou Klamath River near Yreka; Klamath River near Yreka Comment
  UC157001  Lupinus leucophyllus Geo. D. Butler 1910-5-21 1376 Siskiyou Klamath River Comment
  SEINET8056491  Lupinus luteolus G. D. Butler 1910-6-1 1447 Siskiyou Near Yreka 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
  HSC71334  Lupinus sellulus var. artulus J. P. Smith, J. O. Sawyer 1972-6-30 5639 Siskiyou Junction of French Creek and Sugar Creek Rd., 1/2 mi. W of Parrott Mill Rd. 1250 Comment
  RSA607422  Luzula campestris L. C. Wheeler 1934-8-14 3129 Siskiyou North side White Mountain; Siskiyou Mountains. Mt. Diablo Mer. 1767 Comment
  CAS-BOT-BC540708  Luzula comosa var. laxa Dana York 2012-7-21 3140 Siskiyou Siskiyou Mountains: Rogue River-Siskiyou National Forests, Red Butte Wilderness, NE Slope of Red Butte 1925 Comment
  HSC288  Luzula divaricata William J. Ferlatte 1967-8-21 1078 Siskiyou Caribou Basin, ridge W of Big Caribou Lake, Sawtooth Ridge 2134 Comment
  HSC67019  Luzula divaricata J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5741 Siskiyou 2.6 mi. S of Sugar Creek on Parrott Mill Rd. 1341 Comment
  JEPS48633  Lythrum hyssopifolia Geo. D. Butler 1908-7-16 404 Siskiyou Butlers Ranch near Yreka; Butlers Ranch Comment
  RSA170195  Machaeranthera canescens var. shastensis Joseph P. Tracy 1949-9-16 18564 Siskiyou Scott Valley, 1 mile east of Etna 884 Comment
  UCR64616  Madia bolanderi L. C. Wheeler 1934-8-10 03103 Siskiyou Dead Cow Creek 1829 Comment
  CAS-BOT-BC342667  Madia citriodora John Thomas Howell 1934-7-4 12410 Siskiyou Lava flow between Timbered Crater and Little Hot Springs Valley Comment
  HSC67034  Madia elegans J. P. Smith, Steve Selva 1970-6-15 3906 Siskiyou 10 mi. NW of Forks of Salmon Comment
  UC89394  Madia elegans Brandegee 1887-7-1 Siskiyou Edgewood Comment
  RSA606132  Madia elegans subsp. elegans L. C. Wheeler 1935-6-13 3584 Siskiyou North side Scott River, Scott Bar Mountains 793 Comment
  CAS-BOT-BC343428  Madia gracilis Lewis S. Rose 1945-6-19 45140 Siskiyou Horse Creek & Klamath River 502 Comment
  HSC161  Madia gracilis William J. Ferlatte 1966-8-3 248 Siskiyou Big Flat, near public campground 1524 Comment
  POM362185  Madia gracilis subsp. gracilis L. C. Wheeler 1934-6-4 2646 Siskiyou Siskiyou Mountains: Horse Creek near mouth 762 Comment
  UCR66722  Madia minima L. C. Wheeler 1934-6-1 02601 Siskiyou Siskiyou Mtns., Mt. Diablo mer. 2058 Comment
  POM149223  Mahonia aquifolium E. B. Copeland 1903-8-19 3810 Siskiyou Mt. Eddy. 1463 Comment
  HSC65558  Maianthemum racemosum subsp. amplexicaule R. White 1977-6-20 91 Siskiyou NE area around Devil's Punchbowl 1433 Comment
  RSA264978  Maianthemum racemosum subsp. amplexicaule G. L. Clifton 1975-7-28 s.n. Siskiyou Near Cook and Green Pass near the Seiad Valley 1646 Comment
  HSC44864  Maianthemum stellatum J. P. Smith, Steve Selva 1970-6-16 4057 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  HSC69332  Maianthemum stellatum John Palmer 1980-8-13 760 Siskiyou Klamath National Forest, Dead Cow Creek near F.S. Rd. 47N44 from Beaver Creek Rd. 1616 Comment
  RSA237945  Maianthemum stellatum Frederick W. Oettinger 1968-8-6 428 Siskiyou SE corner of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  CAS-BOT-BC269231  Melica aristata C. G. Pringle 1881-8-23 s.n. Siskiyou Mount Shasta 1828 Comment
  UC1157302  Melica aristata W. Bridge Cooke and V. G. Cooke 1966-7-17 37251 Siskiyou Widow Springs Mt. Shasta (Mt. Shasta) 1524 Comment
  UC1026900  Melica bulbosa W. Bridge Cooke 1940-7-5 15296 Siskiyou above Wagon Camp; Mount Shasta Comment
  CAS-BOT-BC281389  Melica harfordii Geo. D. Butler 1910-7-12 1745 Siskiyou Shackleford Creek 1371 Comment
  UC1265411  Melica harfordii F. W. Oettinger 1969-8-3 1143 Siskiyou above English Lake (w Siskiyou Co.); Salmon Mtns 1828 Comment
  UC637092  Mentha arvensis Edward Lee 1934-8-12 1052 Siskiyou s bank <of> Klamath River 1/4 mi w Walker Creek ((between Hamburg and Seiad Valley)); s bank Klamath Riverk w of Walker Creek 426 Comment
  CHSC88103  Mentha canadensis Jenny Marr 1993-7-1 113 Siskiyou Butte Valley Wildlife Area, +- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UCLA58369  Mentha spicata Louis C. Wheeler 1934-9-22 3301 Siskiyou Klamath River Walker (Walker); Siskiyou Mts., Klamath River 518 Comment
  CHSC26191  Mentzelia laevicaulis J. P. Kroessig 1977-8-6 59 Siskiyou Ca 3 km sw of Mt Shasta City. 976 Comment
  CAS-BOT-BC428734  Micranthes californica G. Muth 1966-7-31 475 Siskiyou Marble Valley Comment
  CHSC99694  Micranthes ferruginea L. P. Janeway 2008-7-24 9472 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
  CAS-BOT-BC429255  Micranthes oregana W. R. Dudley 1893-6-19 s.n. Siskiyou Sisson's Meadows Comment
  CAS-BOT-BC432853  Micranthes tolmiei Wm. Bridge Cooke 1938-8-22 11556 Siskiyou Mount Shasta. West slope of Shastina. Comment
  UC1185945  Microseris laciniata subsp. laciniata L. E. Detling 1950-6-11 6635 Siskiyou Siskiyou Pass 1127 Comment
  CAS-BOT-BC349366  Microseris nutans J. H. Thomas 1954-5-13 4149 Siskiyou Southwestern Siskiyou County. Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, between Lat. 41 deg. 03' and 41 deg. 06' N., and Long. 122 deg. 58' and 123 deg. 03' W. Along Rush Creek 1127 Comment
  CAS-BOT-BC349375  Microseris nutans Wm. Bridge Cooke 1938-7-1 11140 Siskiyou Mount Shasta. Below Wagon Camp Comment
  JEPS35713  Microseris nutans W. L. Jepson 1907-7-5 2829 Siskiyou Marble Mt. 2133 Comment
  HSC33334  Microseris nutans William J. Ferlatte 1974-7-14 1523 Siskiyou USFS Campground at Big Flat 1524 Comment
  HSC92094  Microsteris gracilis Jennifer Whipple 1976-7-2 1281 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CHSC71504  Mimetanthe pilosa Vernon H. Oswald; Lowell Ahart 1998-7-21 9360 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
  HSC78192  Mimulus breweri L. P. Janeway 1983-7-10 406 Siskiyou Poker Flat 1524 Comment
  SEINET3365879 Image available Mimulus breweri J. M. Tucker 1974-7-28 4315 Siskiyou Marble Mountain Wilderness Area, Haypress Meadows 1463 Comment
  HSC36530  Mimulus breweri J. O. Sawyer 1969-7-10 1281 Siskiyou E facing slope W of S Sugar Lake 2226 Comment
  UC905631  Mimulus cardinalis William M. Hiesey 1947-8-23 555 Siskiyou 1 mi w Beaver Creek (along Highway 96, 2 mi n of Walker); Klamath River Comment
  HSC39828  Mimulus guttatus J. O. Sawyer 1969-7-26 1570 Siskiyou SE facing slope near Sugar Creek 1700 Comment
  UC609342  Mimulus guttatus Eleanor Burks Hart 1938-8-25 947 Siskiyou Upper Wright Lake 2225 Comment
  RSA237554  Mimulus guttatus Frederick W. Oettinger 1969-8-18 1426 Siskiyou Northeast of Horse Range Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  SEINET515909  Mimulus jepsonii Vernon Oswald 1997-7-28 8783 Siskiyou Forest Route 56 (42N56) 3.7 mi. E of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave. 1756 Comment
  RSA12487  Mimulus moschatus Carl B. Wolf 1934-7-4 5950 Siskiyou 6.8 miles from Dry Lake lookout on road to Horse Creek, Siskiyou Mountains. 1829 Comment
  HSC29405  Mimulus moschatus Frederick W. Oettinger 1968-8-11 478 Siskiyou High Lake Basins: just below spring at Tom Taylor Cabin 2049 Comment
  JEPS109691  Mimulus nanus Dean W. Taylor 2002-6-10 18131 Siskiyou Scott Mountain, between Grouse Creek and Little Carmen Creek at the junction of Forest Road 40N40 with xxNxx 1005 Comment
  RSA529964  Mimulus nanus var. jepsonii D. W. Taylor, G. L. Clifton, R. E. Palmer 1987-6-7 9020 Siskiyou S end of Saddle Hills 1646 Comment
  RSA535614  Mimulus nanus var. jepsonii David M. Thompson 1988-6-4 932 Siskiyou 8 mile E of McCloud along Hwy 89, SW corner of jct of Bigelow Meadows Road and Hwy 89. Oposite Hwy 89 from USFS Road 40N16, 2.4 miles W of turnoff for Cattle Camp (Cattle Camp Road) 2 miles W of USFS Ash Creek Station. 1098 Comment
  JEPS57394  Mimulus nanus var. nanus L. R. Heckard with T. I. Chuang 1968-7-2 1968 Siskiyou 6 mi n Weed (along U.S. Highway 97) 1219 Comment
  UC886077  Mimulus pilosus A. A. Heller 1938-7-13 15267 Siskiyou meadow 1 mi s Bray 1402 Comment
  UC454789  Mimulus primuloides I. J. Condit 1909-8-22 Siskiyou Sisson Comment
  UC1409385  Mimulus primuloides Frederick W. Oettinger 1968-8-13 520 Siskiyou near Tom's Lake (Bear Meadow, High Lake Basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2179 Comment
  JEPS3161  Mimulus primuloides subsp. primuloides George D. Butler 1908-8-3 52 Siskiyou near Log Lake 1371 Comment
  RSA68951  Mimulus primuloides var. linearifolius A. E. Culbertson 1943-8-30 7 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 airmiles of its headwaters to the west. Comment
  RSA434718  Mimulus primuloides var. pilosellus Louis C. Wheeler 1935-7-26 3712 Siskiyou Jaynes Canyon; Siskiyou Mountains. (Mt. Diablo Mer.) 1951 Comment
  HSC446  Mimulus tilingii William J. Ferlatte 1967-8-20 1056 Siskiyou Caribou Basin 2226 Comment
  LA209441  Mimulus tilingii W. B. C.; 1939-8-8 13814 Siskiyou Mount Shasta, Springs above Horse Camp along the summit trail 2514 Comment
  UC27122  Mimulus torreyi F. W. Morse 1886-1 Siskiyou Shasta Comment
  CAS-BOT-BC481920  Minuartia nuttallii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  SBBG122860  Minuartia nuttallii var. gregaria B. Ertter 1990-7-14 9308 Siskiyou streamlet near end of USFS Rd 41N53, ca. 1 mi N of Morgan Meadows, E side of Mt Eddy; 4 air mi W of Mt Shasta City 1676 Comment
  POM101544  Minuartia pusilla Geo. D. Butler 1232 Siskiyou Quartz Valley. Comment
  SEINET4853160  Minuartia stolonifera Unknown 1985-6-19 7839 Siskiyou Along south side of State Rt. 3, 3.1 m N of Scott Mountain Pass. 1220 Comment
  RSA661226  Mirabilis greenei Rachel Levin 1998-5-25 98- 4 -A/B Siskiyou On Copco Road, 2.4-5 miles from jct. with I-5, head east towards the Copco Dam, plants on left side of road. Comment
  HSC4887  Mitella pentandra J. O. Sawyer 1968-7-10 520 Siskiyou S side of Sugar Creek. 1616 Comment
  HSC4889  Mitella pentandra J. O. Sawyer 1968-6-18 242 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  RSA238325  Mitella pentandra Frederick W. Oettinger 1969-7-10 954 Siskiyou Along inlet brook to Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1799 Comment
  HSC48286  Mitella trifida J. O. Sawyer, K. Stillman 1978-7-6 3301 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  HSC67502  Moehringia macrophylla J. P. Smith 1973-5-5 6371 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  SEINET3996519 Image available Monardella odoratissima R. Tofsrud, J. M. Tucker 1948-8-2 1757 Siskiyou Ca. 2 miles south of McCloud Comment
  JEPS63404  Monardella odoratissima subsp. glauca W. L. Jepson 1894-7 50 c Siskiyou Sisson Comment
  SD88485  Monardella odoratissima subsp. glauca Darley F. Howe 1972-7-5 Siskiyou Near state line on Oregon to Happy Camp road. 1707 Comment
  UC2035944  Monardella odoratissima subsp. glauca W. Bridge Cooke 1940-7-26 15361 Siskiyou Near Black Butte Spring Comment
  CHSC67840  Monardella odoratissima subsp. pallida James D. Jokerst 1992-7-30 3412 Siskiyou Top of divide between Trinity River, N of road [no additional location data; W of interstate 5? V. Oswald]. Comment
  JEPS98783  Monardella odoratissima subsp. pallida Sue Pappalardo 1993-7-19 505 A Siskiyou about 4 mi SE of Bear Mountain Lookout (Forest Service road 40N38); Shasta Trinity National Forest, McCloud Ranger District 1320 Comment
  RSA12593  Monardella odoratissima subsp. pallida Carl B. Wolf 1934-7-6 5993 Siskiyou 3 mi. from Mt. Shasta City on Wagon Camp Road. SW slope of Mt. Shasta. 1220 Comment
  CHSC32899  Monardella siskiyouensis J. P. Smith; Steve Selva 1970-6-15 3929 Siskiyou 8 miles southeast of Forks of Salmon on road to Cecilville. 457 Comment
  RSA240084  Monotropa hypopitys Frederick W. Oettinger 1969-8-23 1514 Siskiyou On hill above Smith Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA604349  Monotropa hypopitys A. Sanger 1997-8-22 2608 Siskiyou Medicine Lake Highlands, along the road to Alcohol Crater plast the sump pond, south side of the road. 2146 Comment
  CAS-BOT-BC540347  Montia parvifolia Dana York 2012-7-20 3123 Siskiyou Siskiyou Mountains: Rogue River, Siskiyou National Forest, ca. 270 m W of Echo Lake (slopes above lake) 1800 Comment
  HSC36421  Montia parvifolia J. O. Sawyer 1968-7-10 476 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  POM198620  Muhlenbergia asperifolia Geo D. Butler 1910-8-21 1848 Siskiyou Shasta Valley Comment
  CAS-BOT-BC267045  Muhlenbergia filiformis W. B. C. 1938-7-15 11221 a Siskiyou Mount Shasta. Above Bear Springs Comment
  HSC30608  Muhlenbergia filiformis Frederick W. Oettinger 1969-9-1 1575 Siskiyou Margin of Katherine Lake, Salmon Mountains. 2027 Comment
  RSA758297  Muhlenbergia filiformis Barbara Ertter 1990-7-14 9318 Siskiyou East side of Mount Eddy about 4 air miles due west of Mount Shasta City, at streamlet near end of Forest Road 41N53, about 1 mile north of Morgan Meadows 1677 Comment
  UC53720  Muhlenbergia filiformis unknown Aug 1894 Siskiyou Shasta Comment
  UC1266286  Muhlenbergia jonesii John R. Reeder and Charlotte G. Reeder 1972-7-24 5807 Siskiyou 1.5 mi sse Bartle 1219 Comment
  CAS-BOT-BC275182  Muhlenbergia montana John Thomas Howell 1937-7-25 13442 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC30600  Muhlenbergia montana Frederick W. Oettinger 1969-8-16 1389 Siskiyou Marble Mtn. Wilderness Area, SW of Wire Grass Meadow, near Upper English Lake. 1677 Comment
  POM228958  Myriophyllum sibiricum Louis C. Wheeler 1934-10-21 3336 Siskiyou Shasta Valley 4 miles east of Grenada. 868 Comment
  HSC34139  Narthecium californicum J. O. Sawyer 1969-8-5 1757 Siskiyou W of Little Duck Lake 2073 Comment
  UC1409218  Narthecium californicum Frederick W. Oettinger 1969-7-31 1112 Siskiyou boggy meadow w. English Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1935 Comment
  UC1495355  Narthecium californicum Robert T. Clausen and Harold Trapido 1940-7-26 4955 Siskiyou Wagon Camp, Mt. Shasta S. Cascade Mts., Sacramento R. Basin, Mt. Shasta, Wagon Camp 1737 Comment
  UCD48387  Navarretia divaricata John M. Tucker 1974-7-28 4329 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area, Siskiyou County, California. 1463 Comment
  HSC78222  Navarretia divaricata var. divaricata L. P. Janeway 1983-8-28 646 Siskiyou Poker Flat 1529 Comment
  JEPS101669  Navarretia heterandra Dean W. Taylor 1999-6-9 17244 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  UC164018  Navarretia intertexta Geo. D. Butler 1908-8-27 157 Siskiyou near Oro Fino Comment
  CAS-BOT-BC230557  Nemophila parviflora var. austiniae A. A. Heller 1919-6-20 13257 Siskiyou Metcalf's Ranch, NE base of Mount Eddy 1158 Comment
  RSA426669  Nicotiana acuminata Louis C. Wheeler 1934-6-2 2612 Siskiyou Oak Knoll Ranger Station, Klamath River. Siskiyou Mtns. 671 Comment
  CAS-BOT-BC123919  Nitrophila occidentalis Amos Arthur Heller 1905-6-20 8073 Siskiyou Gazelle Comment
  CHSC81484  Nitrophila occidentalis Ann Willyard 2000-6-21 418 Siskiyou On private ranch ca. 3 air mi n Lake Shastina, ca. 3 air mi e Interstate 5; ca. 1 air mi w Hole-in-the-Ground-Springs. UTM: 10 547700 E 4602900 N. 792 Comment
  CHSC93558  Nitrophila occidentalis Lowell Ahart; John Dittes 2005-6-9 12005 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
  HSC44495  Noccaea fendleri subsp. glauca K. Irwin 1977-5-21 369 Siskiyou Hayden, 1 mi. E of Scott Mtn., E of road 40N08 Comment
  RSA739824  Nothochelone nemorosa D. Kelch 2007-7-25 7 -495 Siskiyou Indian Creek Road, just S of Greyback Summit. 1304 Comment
  UC971909  Nothochelone nemorosa Herbert L. Mason 1950-7-16 14062 Siskiyou road from Happy Camp (California) to Waldo (Oregon) Happy Camp Comment
  UCR198250  Nothochelone nemorosa Dean Kelch 2007-7-25 07- 495 Siskiyou Indian Creek Road, just south of Greyback Summit 1304 Comment
  POM250708  Nothochelone nemorosa D. D. Keck 1938-8-6 4821 Siskiyou At Del Norte Co. line, Poker Flat, on north slope just SE of summit. Siskiyou Mts. 1402 Comment
  RSA408399  Nothochelone nemorosa M. B. Dunkle 1945-8-7 9334 Siskiyou King's Castle. Klamath Nat'l Forest. Marble Mtns. Comment
  RSA96849  Nothochelone nemorosa Percy C. Everett, E. K. Balls 1954-10-13 20290 Siskiyou Indian Creek Road to Obrien, 20.5 mi NW of Hwy 96 at Happy Camp. 1524 Comment
  SD88339  Nothochelone nemorosa Darley F. Howe 1972-7-7 Siskiyou 1.4 miles south of Oregon state line on road to Happy Camp 1646 Comment
  UCR246789  Notholithocarpus densiflorus Matt K. Beyers 2010-8-18 691 Siskiyou Klamath Ranges, Siskiyou Mountains, O'Brien-Happy Camp Road, 1 mi above road to Kelley Lake, c. 2 mi above West Branch Campground Comment
  CHSC26182  Oenothera villosa subsp. strigosa J. P. Kroessig 1977-8-5 47 Siskiyou Along e margin of Everitt Memorial Hwy., between hwy entrance and Penny Pines Plantation, ca. 3 km n of Mt. Shasta City. 1220 Comment
  SEINET4171086 Image available Olsynium douglasii Sandra L. Holloway 1963-4-9 18 Siskiyou Road to Pythian Cave, between Yreka and Grenada, west of U.S. Highway 99 762 Comment
  CAS-BOT-BC349937  Onopordum acanthium T. C. Fuller 1963-8-26 11154 Siskiyou Bottomland of Greenhorn Valley, ca. 2 mi. w. of Yreka Comment
  CAS-BOT-BC355600  Oreostemma alpigenum var. andersonii H. A. Thomas; J. H. Thomas 1954-7-24 4503 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  HSC92268  Oreostemma alpigenum var. andersonii Jennifer Whipple 1976-9-3 1778 Siskiyou W facing slope of ridge between Durney Lake and Little Crater Lake 2409 Comment
  UC1608320  Oreostemma alpigenum var. andersonii J. Kierstead 1990-8-9 90 -132 Siskiyou Fawn Creek Meadow Shasta-Trinity National Forests, Mt. Shasta Ranger Dist., Mt (s side of mt., beyond end of Forest Service Rd 40N42) 1828 Comment
  CAS-BOT-BC499826  Orobanche corymbosa subsp. corymbosa Peter H. Raven 1956-8-11 10066 Siskiyou 9.6 mi S of turnoff to Bray on US Hwy \97 Comment
  JEPS79774  Orobanche corymbosa subsp. mutabilis L. R. Heckard 1967-8-14 1728 Siskiyou Just east of U.S. 97, 2 miles north of Deer Mt. Lodge (19 miles north of Weed). Comment
  CAS-BOT-BC500188  Orobanche fasciculata R. E. Frenkel 1963-7-13 253 Siskiyou On Everitt Memorial Highway, 1.0 mi N of McCloud River RR crossing, near Mt. Shasta 1219 Comment
  CAS-BOT-BC500331  Orobanche uniflora subsp. occidentalis Dorothy Parker 1949-7-10 s.n. Siskiyou Salmon Mountain Comment
  HSC69387  Orthilia secunda Maralyn A. Renner 1980-8-31 2664 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  CAS-BOT-BC458084  Orthilia secunda Doris K. Kildale 1928-7-2 5337 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  CAS-BOT-BC238407  Orthocarpus Margaret M. Hanna 1956-6-7 s.n. Siskiyou East side, Glass Mt., 4 mi. 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
  UC1736255  Orthocarpus cuspidatus subsp. copelandii Dean W. Taylor 1972-7-4 1604 Siskiyou near Lily Pad Lake 3 miles W of Cook & Green Pass 1767 Comment
  HSC65359  Orthocarpus cuspidatus subsp. copelandii R. White 1977-8-3 140 Siskiyou W side of pond above Elk Hole 1616 Comment
  HSC81824  Orthocarpus cuspidatus subsp. copelandii Thomas W. Nelson, Jane Nelson 1980-7-17 6095 Siskiyou Along FS Rd. 17, 0.5 mi. N of summit at county line 2073 Comment
  UC1114764  Orthocarpus imbricatus W. Bridge Cooke 1956-7-19 30309 Siskiyou below Wagon Camp Mount Shasta (Mount Shasta); , below Wagon Camp Comment
  UC1222794  Orthocarpus imbricatus Joseph P. Tracy 1950-7-20 19207 Siskiyou about 4 mi se Elk Valley (Del Norte Co.) (Flint Valley); , se of Elk Valley 1432 Comment
  JEPS25627  Osmorhiza berteroi Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7264 Siskiyou Poker Flat 1536 Comment
  JEPS25816  Osmorhiza berteroi Geo. D. Butler 1908-8-7 462 Siskiyou Whiskey Camp Independence Creek 1676 Comment
  RSA237405  Osmorhiza berteroi Frederick W. Oettinger 1968-8-18 566 Siskiyou East side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  HSC73996  Osmorhiza purpurea Gail Newton 1980-6-20 510 Siskiyou Near Bald Mtn. 1097 Comment
  CAS-BOT-BC316751  Packera cana W. B. Cooke; V. G. Cooke s.n. Siskiyou Fell fields, west side of Mud Creek Canyon, Mt. Shasta 3048 Comment
  RSA114963  Papaver rhoeas E. K. Balls, Lee W. Lenz 1956-6-18 21719 Siskiyou US Highway 99, Gazelle 823 Comment
  RSA264778  Papaver rhoeas Lillian Mott 1976-6-6 21 LM76 Siskiyou Klamath River at Ash Creek, ca. 4.5 miles west of 5 x 96, near bridge 549 Comment
  HSC46735  Parnassia palustris W. J. Ferlatte 1976-9-22 1852 Siskiyou Trinity Alps, Grouse Ridge along Yellow Rose Mine Trail, W facing slope. 1829 Comment
  RSA238304  Parnassia palustris var. californica Frederick W. Oettinger 1968-8-3 377 Siskiyou Base camp near Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC202834  Paxistima myrsinites John Thomas Howell 1952-6-14 2831 Siskiyou Just north of Black Butte Comment
  CAS-BOT-BC202859  Paxistima myrsinites A. A. Heller 1916-8-24 12563 Siskiyou Near Sisson 1077 Comment
  UC1190160  Paxistima myrsinites Ira L. Wiggins 1955-7-24 13487 Siskiyou ridge between upper reaches of China Creek and Blind Horse Creek 1463 Comment
  UC1490300  Paxistima myrsinites Rolf Y. Berg 1980-6-25 Siskiyou Horsetail Falls on rd. from Seiad Valley to Cook and Green Pass; Klamath R. Region, Horsetail Falls Comment
  SEINET10739292  Paxistima myrsinites Louis Krautter 1905-7-15 Krautter s.n. Siskiyou Black Butte. 1219 Comment
  UC164118  Pectocarya pusilla Geo. D. Butler 1910-4-21 1215 Siskiyou Oro Fino Comment
  CAS-BOT-BC266650  Pedicularis bracteosa var. flavida Annie M. Alexander; Louise Kellogg 1949-7-19 5810 Siskiyou Edge of creek, Paradise Lake, Marble Mountains 1920 Comment
  CHSC99995  Pedicularis howellii L. P. Janeway 2008-7-25 9499 Siskiyou Klamath Ranges. Siskiyou Mountains; rock wall at head of Hello Canyon, 0.6 air km east of Kangaroo Mountain. 1834 Comment
  RSA184653  Pedicularis racemosa Clare B. Hardham 1965-8-20 13027 Siskiyou Marble Mountains. Granite Trail. Near Cudahy Lakes. 1220 Comment
  RSA425340  Pedicularis racemosa Louis C. Wheeler 1934-8-2 3021 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 2073 Comment
  SEINET10702295  Pedicularis racemosa var. racemosa Karen M. Meyer, Andrew Townesmith 2007-7-31 Meyer 181 Siskiyou Shasta-Trinity National Forest. 8.1 mi. on NF Rd. 17, off US Hwy. 97. 1607 Comment
  UC1874952  Pellaea brachyptera Ruth Kirkpatrick 2003-8-1 1176 Siskiyou 7 air mi NNE of Seiad Valley. Along Seiad Creek Road (FS Road 48N20). East Fork of Seiad Creek. 1 air mile W of Copper Butte. 1396 Comment
  UC705511  Pellaea brachyptera Marion Ownbey and D. H. Brown 1941-6-22 2424 Siskiyou nw of Yreka (w of Craggy Mt) Comment
  UC185226  Pellaea breweri Geo. D. Butler 1910-7-9 1718 Siskiyou Marble Mt 1676 Comment
  HSC62475  Penstemon anguineus Ruby Van Deventer 1939-7-18 Siskiyou Twin Valley Comment
  JEPS80582  Penstemon anguineus Gilbert Muth 1965-7-30 140 Siskiyou Marble Valley Marble Mt. Wilderness Area, Marble Valley 1792 Comment
  SBBG30580  Penstemon anguineus D. Myrick 1968-6-24 2006 Siskiyou Adams Crk above Mountain Meadow Ranch, Big Flat, Coffee Crk; Trinity Alps 1828 Comment
  UC1483515  Penstemon anguineus John Palmer 1980-8-13 757 Siskiyou near F.S. Rd. 47N44 (from Beaver Creek Road); Klamath National Forest, Condry Mtn. Quad., Dead Cow Creek 1615 Comment
  UC164291  Penstemon anguineus Geo. D. Butler 1908-8-6 428 Siskiyou Independence Creek , Whiskey Camp (Whiskey Camp) 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
  RSA151969  Penstemon cinereus R. C. Bacigalupi, L. R. Heckard, G. Bacigalupi, Ruth D. Sanderson 1952-6-18 3740 Siskiyou Near Panther Creek Guard Station, along Little Shasta River, 16 miles E of Montague on forest road to Mount Hebron. 1280 Comment
  UC727344  Penstemon cinicola Elmer I. Applegate 1923-8-18 3854 Siskiyou w base of Redshale Mountain , Medicine Lake (Medicine Lake) 2133 Comment
  POM234400  Penstemon davidsonii subsp. davidsonii Alice Eastwood 1912-9-1 2057 Siskiyou Mount Shasta. Comment
  CAS-BOT-BC265380  Penstemon davidsonii var. davidsonii Alice Eastwood 1921-7-28 10889 Siskiyou Little Mount Hoffman Comment
  UC1751242  Penstemon davidsonii var. davidsonii Annie M. Alexander and Louise Kellogg 1911-6-28 201 Siskiyou Wildcat Creek Comment
  NY591803  Penstemon deustus var. pedicellatus D. D. Keck 1927-8-16 990 Siskiyou 4 miles east of Mount Shasta City on west flank of Mount Shasta. 1615.4 Comment
  CHSC75761  Penstemon deustus var. suffrutescens Vernon H. Oswald 1999-7-5 9815 Siskiyou Hwy. 3 0.5 mi southeast of Gazelle-Callahan Hwy. 990 Comment
  CHSC1862  Penstemon gracilentus V. Holt 1932-7-23 Siskiyou Mt. Shasta Flats. 1219 Comment
  RSA21195  Penstemon gracilentus Carl B. Wolf 1937-8-8 9083 Siskiyou SW side of Mt Shasta, along John S. Everett Memorial Hwy. 2134 Comment
  HSC72451  Penstemon heterophyllus J. P. Smith, Steve Selva 1970-6-15 3973 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  NY603843  Penstemon humilis var. humilis G. Schoolcraft 1985-6-18 1433 Siskiyou Mahogany Mountains 1706.9 Comment
  HSC86525  Penstemon laetus D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  HSC36804  Penstemon laetus subsp. laetus J. P. Smith 1974-5-27 7633 Siskiyou Along FS Rd. 47N03 1280 Comment
  HSC68976  Penstemon laetus subsp. sagittatus Maralyn A. Renner 1980-7-24 2115 Siskiyou Pacific Crest Trail, 0.25 mi. SW of Cook and Green Pass. 1494 Comment
  HSC21016  Penstemon laetus subsp. sagittatus R. C. Wunner 1965-7-13 389 Siskiyou 0.2 mi. on Dragon Head Rd. 1372 Comment
  CHSC66548  Penstemon laetus var. sagittatus Vernon H. Oswald 1996-7-12 7995 Siskiyou Everitt Memorial Hwy. (A10) E of Mt. Shasta city between mileposts 5 and 6. 1554 Comment
  JEPS23804  Penstemon laetus var. sagittatus Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7291 Siskiyou Poker Flat 1536 Comment
  UC1187079  Penstemon laetus var. sagittatus David D. Keck 1940-6-13 5170 Siskiyou Weed , n side of town, Grass Lake (n side of town on Route 97) Comment
  UC1238948  Penstemon laetus var. sagittatus Freed W. Hoffman 1950-7-13 3491 Siskiyou 1.1 mi ne Baldy Lookout (western Siskiyou County); North Coast Ranges, ne of Baldy Lookout Comment
  RSA165524  Penstemon laetus var. sagittatus Clare B. Hardham 1961-6-30 8120 Siskiyou Near White Mt. Comment
  SD42407  Penstemon neotericus Carl B. Wolf 1941-7-26 11078 Siskiyou SW. end Little Shasta Valley, 12 mi. NE. Weed on U.S. Highway #97 at junction with rd to Montague 914 Comment
  HSC29276  Penstemon newberryi Frederick W. Oettinger 1968-9-1 655 Siskiyou Marble Mtn. Wilderness Area, cliffs E of Abbott's Lake 1799 Comment
  HSC29296  Penstemon newberryi Frederick W. Oettinger 1968-9-6 747 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow, Tom's Lake region 2188 Comment
  POM43030  Penstemon newberryi subsp. newberryi Geo. D. Butler 1910-7-7 1654 Siskiyou Shackleford Creek. Comment
  CHSC99700  Penstemon parvulus L. P. Janeway 2008-7-24 9488 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 1.3 air km east of Condrey Mountain. Open ridgetop. 2050 Comment
  HSC76947  Penstemon parvulus K. T. Stillman 1976-7-15 264 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  NY677129  Penstemon parvulus D. W. Taylor 1996-7-7 15813 Siskiyou Salmon Mountains; Ruffey Lakes (about 8 air miles southwest of Etna), in cirque above the upper lake; Klamath National Forest 2073 Comment
  RSA23282  Penstemon parvulus Marion Ownbey, Ruth P. Ownbey 1938-7-19 1749 Siskiyou 2.5 mi. NE of Dry Lake Lookout, summit of Siskiyou Mountains. Comment
  RSA215651  Penstemon procerus subsp. brachyanthus Gilbert Muth 1969-8-6 1219 Siskiyou Boulder Peak. 2530 Comment
  HSC91117  Penstemon roezlii Jennifer Whipple 1976-7-9 1396 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2226 Comment
  HSC75126  Penstemon roezlii J. P. Smith, Thomas W. Nelson 1979-6-16 10145 Siskiyou Klamath National Forest, along FS Rd. 40N03, 0.3 mi. from its junction with Hwy. 3, 2.72 mi. from county line 1463 Comment
  NY650118  Penstemon roezlii F. W. Pennell 1940-7-16 26162 Siskiyou 5 miles southwest of Yreka 914.4 Comment
  JEPS11386  Penstemon speciosus Leonard Joss 1922-1 Siskiyou Etna Mills Comment
  NY661011  Penstemon speciosus W. B. Cooke 1972-7-6 45458 Siskiyou Along Mud Creek Dam Road, Mt. Shasta 3500 Comment
  NY661020  Penstemon speciosus K. L. Chambers 1967-6-22 2861 Siskiyou Rocky knoll about 500 ft. above and east of the freeway (Highway 5) at the Hilts exit, Siskiyou Pass. 1097.3 Comment
  RSA120854  Penstemon speciosus M. S. Baker 1957-6-15 13111 Siskiyou Just S of Weed. Comment
  RSA276581  Perideridia oregana Lincoln Constance, T. Chuang, Fei-Mei Chuang, M. Sousa S. 1966-6-15 3767 Siskiyou U.S. Highway 99W, 1.5 miles north of Edgewood turnoff Comment
  JEPS81802  Perideridia parishii subsp. latifolia Rimo Bacigalupi with Reino and Aloha Alava 1958-9-2 6832 Siskiyou [road from Callahan to Trinity Center] road summit 1/4 mi n Scott Mtn. road summit; n of Scott Mtn., below Darlingtonia bog 1615 Comment
  CHSC106098  Persicaria hydropiperoides Lowell Ahart; John Dittes 2010-7-30 16933 Siskiyou 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) southeast of Grenada. 716 Comment
  UC165414  Petasites frigidus var. palmatus Geo. D. Butler 1909-4-11 627 Siskiyou Shasta Springs Comment
  UC923092  Phacelia bolanderi Freed W. Hoffman 1950-7-11 3312 Siskiyou Cedar Camp rd 1.4 mi from Klamath Highway (w Siskiyou Co.); North Coast Ranges Comment
  UCR93351  Phacelia egena 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
  POM73771  Phacelia egena Geo. D. Butler 1910-5-4 1280 Siskiyou Dry hill near Yreka Comment
  HSC75157  Phacelia greenei Unknown Siskiyou 1433 Comment
  UC735040  Phacelia greenei Lincoln Constance and Herbert L. Mason 1947-5-17 3200 Siskiyou summit of nw spur Scott Mountain 1828 Comment
  RSA789606  Phacelia heterophylla subsp. virgata R. W. Spjut, Paul Burchstead 2008-6-10 16337 Siskiyou Cascade Mountains. Just north of Mt. Shasta City along old highway west of I-5. 1158 Comment
  RSA582233  Phacelia heterophylla var. virgata Louis C. Wheeler 1935-6-9 3567 .5 Siskiyou Yreka Creek. Siskiyou Mtns. (Mt Diablo Mer.) 1220 Comment
  JEPS91088  Phacelia leonis Dean W. Taylor 1988-7-9 9935 Siskiyou North Coast Ranges, Gumboot Lake, headwaters South Fork Sacramento River Gumboot Lake; North Coast Ranges, Gumboot Lake 1950 Comment
  UC1069355  Phacelia linearis M. H. Mitchell 1936-5-14 19 Siskiyou Capt. Jack's Stronghold Modoc Lava Beds Natl Monument, Dorris Quadrangle 1554 Comment
  UC144629  Phacelia linearis A. A. Heller 1905-6-22 8089 Siskiyou Igerna Comment
  UCD120557  Phacelia linearis Wm. E. Moon 1958-5-29 s.n. Siskiyou State Hwy. 97, 12 miles northeast of Weed. 1219 Comment
  UCD77216  Phacelia mutabilis Robert E. Preston 2001-7-21 1741 Siskiyou Klamath National Forest, Rainbow Mountain, T42N R1W sw 1/4 of ne 1/4 Section 22 2255 Comment
  HSC27649  Phacelia nemoralis subsp. oregonensis Carl W. Mize 1972-6-8 6 Siskiyou Along main trail 335 Comment
  HSC49932  Phacelia pringlei G. L. Clifton, Ground 1978-7-2 1810 Siskiyou Near Scott Mtn. Summit 1705 Comment
  UC1426019  Phacelia procera Frederick W. Oettinger 1968-8-23 613 Siskiyou base of cliff due e Diamond Lake; Salmon Mountains, Marble Mountain Wilderness Area 2057 Comment
  UC722212  Phacelia procera C. L. Hitchcock and J. S. Martin 1939-7-6 5248 Siskiyou summit of mts. Siskiyou Mts. (on Takilma-Happy Camp road) 1676 Comment
  UCSB14940  Phacelia procera Breedlove, Dennis 1961-7-5 Siskiyou 14.0 miles southeast of Obrien on road to Happy Camp, Siskiyou Mountains 1463 Comment
  SEINET12280335  Phacelia racemosa Unknown 1879-1 Siskiyou near Shasta Mountain Comment
  HSC13679  Phacelia ramosissima R. C. Wunner 1965-6-15 181 Siskiyou Lava Beds National Monument, E side of Caldwell Butte 1494 Comment
  CAS-BOT-BC265816  Phalaris arundinacea Calvin McMillan; Malcom A. Nobs 1949-6-17 802 Siskiyou Grass Lake, Highway 97 Comment
  RSA782328  Philadelphus californicus R. W. Spjut, Paul Burchstead 2008-6-12 16343 Siskiyou Klamath Region. Klamath National Forest: along North Fork of the Salmon River, east of the Forks of the Salmon 629 Comment
  CAS-BOT-BC77436  Philadelphus lewisii John Thomas Howell 1937-7-26 13560 Siskiyou Between Big Flat and Caribou Gulch Comment
  RSA759840  Philadelphus lewisii Robert F. Thorne 1969-8-2 63398 Siskiyou Klamath Nat'l Forest, Salmon Mountains: Marble Mtn Wilderness, trail to English Peak, along N fork of Salmon River at Cedars 1159 Comment
  CAS-BOT-BC77431  Philadelphus lewisii Doris K. Kildale; J. W. Gillespie 1929-6-22 8029 Siskiyou Boulder Creek, 2 mi. north of Moine and south of Dunsmuir Comment
  SEINET6917951  Philadelphus lewisii M. K. Solecki, J. B. Taft 1986-9-9 2145 Siskiyou Bank of Scotty River near Indian Scotty campground; elevation 2,200 feet. 670 Comment
  CAS-BOT-BC250792  Phleum alpinum A. A. Heller 1922-7-15 13710 Siskiyou At Medicine Lake 2133 Comment
  CAS-BOT-BC250793  Phleum alpinum H. E. Brown 1897-6-11 445 Siskiyou North side of Mt. Shasta 2743 Comment
  CDA40296  Phlox adsurgens T. C. Fuller 1958-6-18 1820 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  CHSC4540  Phlox caespitosa J. E. Bowlin 1967-7-18 56 Siskiyou 150 yds. above the parking lot and restaurant at Mount Shasta Ski Bowl. It is 15.5 mi. from the center of the city of Shasta. 2407 Comment
  UC195176  Phlox diffusa Annie M. Alexander and Louise Kellogg 1911-6-21 165 Siskiyou Jackson Pk and Jackson Lake Jackson Pk., Jackson Lake Comment
  JEPS70013  Phlox hirsuta Geo. D. Butler 1909-5-3 739 Siskiyou near Yreka Comment
  CAS-BOT-BC232826  Phlox hirsuta R. C. Barneby 1954-5-16 11528 Siskiyou 6 miles SW of Yreka Comment
  SEINET10638272  Phlox hirsuta Edward L. Greene 1876-1 Siskiyou Comment
  HSC45989  Phlox speciosa subsp. nitida J. P. Smith 1973-5-5 6546 Siskiyou Scott Bar along the Scott River Comment
  UC585201  Phlox speciosa subsp. nitida E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2014 Siskiyou about 1.5 mi w Mt. Shasta City (e and ne slope of spur of Rainbow Ridge, above Sulloway Creek); Rainbow Ridge 1188 Comment
  RSA469941  Phlox speciosa subsp. nitida J. P. Smith 1973-5-5 6546 Siskiyou Scott Bar along the Scott River. Comment
  JEPS69987  Phlox speciosa subsp. occidentalis Geo. D. Butler 1909-4-13 650 Siskiyou near Yreka Comment
  RSA469943  Phlox speciosa subsp. occidentalis B. C. Templeton 1960-6-21 8551 Siskiyou Near the summit of Scott Mt. Comment
  SEINET7073525  Phlox speciosa subsp. occidentalis A. G. Vestal 1963-6-3 s.n. Siskiyou Lava boulders south of Gazelle. UTM Zone 10, 544048mN, 4590451mN. Coordinate datum: NAD27. Comment
  CAS-BOT-BC56491  Phyllodoce empetriformis Ira L. Wiggins 1955-7-27 13543 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC56495  Phyllodoce empetriformis Annie M. Alexander; Louise Kellogg 1949-7-28 5876 Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  HSC4824  Phyllodoce empetriformis J. O. Sawyer 1968-6-25 290 Siskiyou NE of N Horse Range Lake 2012 Comment
  HSC96364  Phyllodoce empetriformis Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 496 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  JEPS26589  Phyllodoce empetriformis Peter Kamb 1949-8-25 1483 Siskiyou s slope of Mount Shasta above Horse Camp; Mount Shasta 2468 Comment
  UCD117722  Phyllodoce empetriformis K. F. Mawdsley 1996-7-9 12 a Siskiyou California, Siskiyou County. Russian Wilderness in Klamath NF. Along Little Duck Lake. 2036 Comment
  CAS-BOT-BC56488  Phyllodoce empetriformis Gilbert Muth 1965-8-8 s.n. Siskiyou Near summit of Marble Rim 1981 Comment
  UC609320  Phyllodoce empetriformis Eleanor Burks Hart 1938-8-20 942 Siskiyou sw slope of Red Cap Red Cap 2255 Comment
  CAS-BOT-BC60764  Physaria occidentalis K. T. Stillman 1976-7-7 172 Siskiyou Marble Mountain Wilderness Area. Comment
  HSC76935  Physaria occidentalis K. T. Stillman 1976-8-7 381 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  CAS-BOT-BC60773  Physaria occidentalis Edwin Bingham Copeland 1903-7-6 s.n. Siskiyou Cottonwood Creek, Hornbrook. Comment
  HSC29672  Picea breweriana Frederick W. Oettinger 1968-8-13 506 Siskiyou Marble Mtn. Wilderness Area, cliffs above Hell Hole near Hancock Lake 1936 Comment
  SJSU14645  Picea breweriana C. L. Schmidt 1981-8-13 Siskiyou Josephine Lake near Sawtooth Ridge, Trinity Alps 1950 Comment
  UC1220341  Picea breweriana H. G. Baker 1963-7-5 Siskiyou around Blake's Fork Meadow (w of Russian Creek in the Saywer's Bar District, mostly on granite slopes); Saywer's Bar District, Blake's Fork Meadow 1676 Comment
  UCD134303  Picea breweriana Gordon Leppig; T. LaBanca 1998-7-11 921 Siskiyou Klamath National Forest, Duck Lakes Trail. 1158 Comment
  UC1061686  Picea breweriana Frank A. Graham 1924-10-1 Siskiyou 1 mi e Salmon Summit Mine (headwaters of creek); Knownothing Creek 1767 Comment
  UC1313050  Picea engelmannii J. M. Tucker 1963-7-5 3707 Siskiyou ca 7 mi (airline) e Siskiyou County <border> (creek is tributary of Salmon River); lower Blake's Fork of South Russian Creek 1524 Comment
  JEPS104987  Pinguicula vulgaris subsp. macroceras Dean Wm. Taylor with Glenn L. Clifton 1996-7-26 15854 Siskiyou Cliff Lake, The Eddys (about 15 air miles southwest of Weed); Shasta-Trinity National Forest 1920 Comment
  POM215876  Pinus attenuata L. C. Wheeler 1935-4-14 3418 Siskiyou Siskiyou Mountains: West Fork Seiad Creek. (Mt. Diablo Mer.) 1159 Comment
  JEPS46803  Pinus balfouriana James B. Roof, Irja Knight 1962-10-23 Siskiyou 6 mi e of Callahan (between Mill Creek Lake and Washbasin Lakes, Salmon-Trinity Alps Primitive Area); Klamath National Forest, Salmon-Trinity Alps, Scott Mountain 1828 Comment
  CAS-BOT-BC78412  Pinus balfouriana Milo S. Baker Aug 8 246 a-'26 Siskiyou Saddle bet. Red Mt and Granite 2286 Comment
  RSA184682  Pinus balfouriana Gilbert Muth 1966-8-6 178 Siskiyou North ridges of the Marble Rim, Marble Mounains. 2134 Comment
  HSC67770  Pinus contorta var. murrayana J. O. Sawyer, J. Cole 1980-7-20 3806 Siskiyou E side of Grouse Hill 2134 Comment
  CAS-BOT-BC78717  Pinus jeffreyi J. M. Tucker 1963-8-18 3768 Siskiyou between Marble and southwest ridge of Black Mountain, Marble Mountain Wilderness Area 2103 Comment
  MACF017420  Pinus jeffreyi Trudy R. Ericson 1974-8-8 220 Siskiyou St. Hwy. 96, between Happy Camp and Hamburg, near Seiad Valley Comment
  CAS-BOT-BC78774  Pinus lambertiana Doris K. Kildale 1929-5-26 9187 Siskiyou Hawkins Bar on Salmon River 609 Comment
  UC401392  Pinus lambertiana Geo. D. Butler 1908-8-5 520 Siskiyou Cold Spring Woolly<?> Creek Comment
Read comments
Nov 25 2011
  CAS-BOT-BC78953  Pinus monticola Gilbert Muth 1966-8-6 193 Siskiyou Marble Valley, Marble Mts. 2072 Comment
  CAS-BOT-BC72870  Pinus ponderosa Doris K. Kildale 1928-7-3 5435 Siskiyou Forks of Salmon Comment
  HSC44885  Pinus ponderosa Maralyn O'Meara 1974-5-25 395 Siskiyou Along road to Duck Lakes trail 1402 Comment
  RSA46761  Plagiobothrys bracteatus L. S. Rose 1945-6-18 45101 Siskiyou Horse Creek and Klamath River. 503 Comment
  CAS-BOT-BC231006  Plagiobothrys hispidulus A. A. Heller 1919-6-25 13264 Siskiyou Compton's prairie, N base of Mount Eddy 1158 Comment
  JEPS32026  Plagiobothrys hispidus W. B. and V. G. Cooke 1963-7-10 34273 Siskiyou n side Mt. Shasta (in Bolam logging road); , Bolam 2133 Comment
  UC164110  Plagiobothrys tenellus Geo. D. Butler 1909-4-18 633 Siskiyou hills near Yreka Comment
  JEPS80567  Platanthera leucostachys Gilbert Muth 1965-8-4 168 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  UC61188  Platanthera leucostachys W. A. Setchell, C. C. Dobie 1902-7-17 Siskiyou Sisson Mount Shasta Comment
  HSC483  Platanthera sparsiflora William J. Ferlatte 1967-7-9 685 Siskiyou Kidd Creek Trail 1890 Comment
  HSC27799  Platanthera sparsiflora J. D. Ackerman 1973-7-27 108 Siskiyou S Fork Sacramento River Comment
  CAS-BOT-BC136655  Platanthera stricta Gilbert Muth 1965-8-4 169 Siskiyou Field redacted by CAS, contact the data manager for more information 1792 Comment
  HSC86550  Platanthera stricta D. K. Imper 1987-6-6 Siskiyou 8 mi. E of Somes Bar, vicinity of Jawbone Camp 1372 Comment
  RSA123776  Poa G. Douglas Barbe 1955-8-5 362 Siskiyou Salmon Mtns., At summit of trail from Big Flat to Caribou Lake, a point NW of Caribou Mt. 2409 Comment
  UCD92192  Poa AHM 1955-7-27 55 E Siskiyou Klamath National Forest. Marble Mountains. Pierce's Draw Meadow. 1676 Comment
  UC1265484  Poa annua Frederick W. Oettinger 1969-8-24 1529 Siskiyou English Lake English Peak; Salmon Mts, High Lake Basins, Marble Mt Wilderness Area 1935 Comment
  CAS-BOT-BC255000  Poa bulbosa Dorothy Parker 1949-4-19 75 Siskiyou McConachie Gulch, Scott Valley 883 Comment
  CHSC88101  Poa bulbosa Jenny Marr 1993-7-1 111 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC256017  Poa pratensis R. E. Frenkel 1963-7-13 224 Siskiyou On Everitt Memorial Highway, 0.4 mile north of McCloud River RR crossing near Mount Shasta 1176 Comment
  RSA129255  Poa pratensis H. A. Jensen 1933-7-27 s.n. Siskiyou Grey Butte 2073 Comment
  RSA602816  Poa pratensis L. C. Wheeler 1935-6-4 3549 Siskiyou Etna, Scott Valley 899 Comment
  JEPS82443  Poa pratensis subsp. pratensis Gilbert Muth 1966-7-19 428 Siskiyou along first bluff Marble Gap Trail; Marble Mt Wilderness Area 1828 Comment
  JEPS116631  Poa secunda Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -007 Siskiyou North side of Mt. Shasta, south of Hwy 97 Mt. Shasta 1090 Comment
  POM113796  Poa secunda Geo D. Butler 1910-5-6 1294 Siskiyou Near Yreka. Comment
  UCD90457  Poa secunda L. Whitney 1934-6-29 2224 Siskiyou Antelope Creek, near Tennant. 1463 Comment
  SBBG52182  Poa secunda C. Davidson 1975-6-5 2657 Siskiyou just above gate on special service rd branching S off rd from Gazelle to Callahan, 9.3 mi W of Gazelle; Klamath Nat Forest 1470 Comment
  CHSC88405  Poa secunda subsp. secunda Jenny Marr 1993-7-1 164 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UCD91757  Poa secunda subsp. secunda A. H. Murphy 1959-7-22 59 Q Siskiyou Shasta National Forest. Porcupine Lake. 2286 Comment
  JEPS80553  Polemonium californicum Gilbert Muth 1965-8-8 196 Siskiyou Marble Wilderness Area Marble Mt. Wilderness Area 1828 Comment
  JEPS69907  Polemonium micranthum Geo. D. Butler 1909-3-16 557 Siskiyou Yreka Comment
  JEPS24616  Polygala cornuta var. cornuta Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6769 Siskiyou along SP (Shasta Route) railway grade upper Sacramento River Canyon (in the 1 1/2 mi stretch between Shasta Retreat (at northern outskirts of Dunsmuir) to Mossbrae Falls and Shasta Springs) 731 Comment
  UC642558  Polygonum aviculare subsp. aviculare W. Bridge Cooke 1937-8-6 9187 Siskiyou Bear Springs Mount Shasta (meadow) Comment
  JEPS93926  Polygonum bistortoides Vernon H. Oswald and Lowell Ahart 1998-8-3 9436 Siskiyou w of Kangaroo Lake (near the Pacific Crest Trail in the Scott Mountains); Scott Mountains 1981 Comment
  JEPS50519  Polygonum convolvulus W. L. Jepson July 1894 14773 Siskiyou Sisson Comment
  RSA466316A  Polygonum davisiae Louis C. Wheeler 1934-7-14 2903 Siskiyou Head Jaynes Canyon, Siskiyou Mts, Mt. Diablo Mer. 2043 Comment
  CAS-BOT-BC414594  Polygonum douglasii Louis C. Wheeler 1934-7-3 2860 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1676 Comment
  UC1950092  Polygonum douglasii Barbara Ertter 1990-7-14 9310 Siskiyou E side of Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mi N of Morgan Meadows, steep E-facing serpentine hillside Comment
  RSA237771  Polygonum douglasii Frederick W. Oettinger 1969-8-12 1350 Siskiyou Trail side above Willow Spring on English Lake trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC55510  Polygonum douglasii subsp. spergulariiforme T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  JEPS75025  Polygonum douglasii subsp. spergulariiforme L. R. Heckard and R. Bacigalupi 1975-10-9 4209 Siskiyou along Dunsmuir Avenue about 1 mi s Dunsmuir (just off Interstate 5, bottom of road bank) Comment
  SEINET3405925 Image available Polygonum douglasii var. johnstonii J. M. Tucker, L. K. Mann 1963-8-17 3742 Siskiyou beside trail fro Red Rock Valley to top of ridge to the sout, Marble Mountain Wilderness Area 1859 Comment
  RSA237773  Polygonum douglasii var. latifolium Frederick W. Oettinger 1969-8-14 1378 Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1829 Comment
  CAS-BOT-BC418586  Polygonum minimum Alice Eastwood 1912-8-30 1980 Siskiyou Mount Eddy Comment
  HSC32758  Polygonum minimum Frederick W. Oettinger 1968-8-11 471 Siskiyou Marble Mtn. Wilderness Area, NE side of creek bed, Tom Taylor Cabin 2043 Comment
  UC1408818  Polygonum phytolaccifolium Frederick W. Oettinger and R. F. Thorne 1969-8-7 1274 Siskiyou English Lake Salmon Mountains, Marble Mountain Wilderness Area (se end, w Siskiyou Co.) 1828 Comment
  RSA466413  Polygonum phytolaccifolium Louis C. Wheeler 1934-6-1 2604 Siskiyou Siskiyou Mountains; Mt. Diablo Mer. Head Jaynes Canyon. 1829 Comment
  CHSC88099  Polygonum polygaloides subsp. confertiflorum Jenny Marr 1993-7-1 109 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC420064  Polygonum polygaloides subsp. kelloggii Herbert L. Mason 1948-7-18 13621 Siskiyou Grass Lake Comment
  SD76188  Polygonum shastense Helen V. Witham 1969-10-9 602 Siskiyou on scree, Mt. Shasta 2400 Comment
  CAS-BOT-BC421067  Polygonum spergulariiforme A. A. Heller 1916-7-20 12477 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1371 Comment
  CAS-BOT-BC421081  Polygonum spergulariiforme Alice Eastwood 1912-8-30 2086 Siskiyou North fork trail, Mount Eddy Comment
  HSC17550  Polygonum spergulariiforme Geo. D. Butler 1908-8-6 184 Siskiyou Summit, along trail SE of Marble Mtn. 1829 Comment
  RSA466411  Polygonum spergulariiforme M. B. Dunkle 1944-8-25 9176 Siskiyou Siskiyou National Forest; Coastal Northern California. Comment
  UC637168  Polypodium calirhiza Edward Lee 1934-8-13 1056 Siskiyou 4 mi n Happy Camp (Indian Creek); Klamath Nat'l Forest 411 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
  HSC69191  Polystichum imbricans Maralyn A. Renner 1980-9-1 2698 Siskiyou S side of Devil's Punchbowl 1829 Comment
  HSC79155  Polystichum imbricans C. J. Thomas 1983-10-1 105 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 Comment
  HSC77280  Polystichum imbricans subsp. imbricans L. P. Janeway 1983-8-28 625 Siskiyou Along USFS 18N33 1 mi. from Grayback Rd. 1037 Comment
  CAS-BOT-BC72388  Polystichum lemmonii A. A. Heller 1914-8-28 11739 Siskiyou Mt. Eddy 2346 Comment
  SBBG16155  Polystichum lemmonii E. Bacciu 1961-6-1 Siskiyou Mt Eddy Crk, near Weed 1524 Comment
  CAS-BOT-BC72391  Polystichum lemmonii Louis C. Wheeler 1934-8-13 3114 Siskiyou Klamath National Forest, E. Fork Horse Cr. 1981 Comment
  CAS-BOT-BC72395  Polystichum lemmonii W. R. Dudley 1899-8-26 s.n. Siskiyou In the Foxtail Pine Woods, Sacramento River Comment
  HSC90061  Polystichum lemmonii R. W. Becking 1985-8-28 Siskiyou Scott Mtn. Rd. Callahan, Rockfence Lake, E of Kangaroo Lake, above cabin 1829 Comment
  RSA105460  Polystichum lemmonii G. D. Barbe 1955-7-26 287 Siskiyou Among dry rocks at a small pond on the N slope of Scott Mtn. 1982 Comment
  RSA85033  Polystichum lemmonii P. A. Munz 1934-8-14 3137 Siskiyou North side of White mountains 1768 Comment
  UC1034653  Polystichum lemmonii Douglas Barbe 1955-7-26 287 Siskiyou below summit Scott Mt.; Klamath Mts. 1981 Comment
  HSC34293  Polystichum lonchitis J. P. Smith, J. O. Sawyer 1973-8-14 7287 Siskiyou Along trail from Log Lake to Campbell Lake 1585 Comment
  HSC79159  Polystichum lonchitis C. J. Thomas 1983-10-1 90 Siskiyou N side of Black Mtn. in Marble Mtn. Wilderness 1976 Comment
  SBBG19505  Polystichum lonchitis L. L. Kiefer 1963-8-9 732 Siskiyou Castle Lake, rocks at S end of lake 2133 Comment
  UC371162  Polystichum munitum G. D. Butler 1908-8-24 245 Siskiyou Eldridge's Corral; Russian Creek 1219 Comment
Read comments
Jan 13 2007
  SD82093  Polystichum scopulinum Louis C. Wheeler 1934-8-26 3225 Siskiyou Siskiyou Mountains, Trapper Creek, Mt. Diablo Mer. 1980 Comment
  UC1584626  Polystichum scopulinum Dean W. Taylor 1975-8-14 5461 Siskiyou between Shasta Ski area and Green Butte; Mt. Shasta 2590 Comment
  RSA693356  Polystichum scopulinum L. C. Wheeler 1934-8-6 3059 Siskiyou Siskiyou Mountains: Rocky Gulch off Jaynes Canyon. Mt. Diablo Mer. 1829 Comment
  RSA237998  Populus tremuloides Frederick W. Oettinger 1968-8-17 558 Siskiyou N of Pine Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  CAS-BOT-BC102962  Populus trichocarpa Alice Eastwood 1917-9-2 6687 Siskiyou Shasta Springs Comment
  CAS-BOT-BC102963  Populus trichocarpa Alice Eastwood 1917-9-2 6687 Siskiyou Shasta Springs Comment
  UC164396  Populus trichocarpa Geo. D. Butler 1909-4-26 1072 Siskiyou low ground near Oro Fino; near Oro Fino Comment
  JEPS104988  Porterella carnosula Dean W. Taylor 1996-7-27 15860 Siskiyou Grass Lake (about 15 air miles northeast of Weed); Klamath National Forest 1524 Comment
  HSC103176  Potamogeton richardsonii Dana York, Jim Shevock 2012-7-20 3114 Siskiyou Klamath National Forest, 4 km W-SW of Cook and Green Pass, in Lily Pad Lake. 1735 Comment
  JEPS84265  Potentilla breweri L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6339 Siskiyou ca 1/2 mi se Red Butte (ca 7 mi nne of Seiad Valley, sw of Cook and Green Pass); sw of Cook and Green Pass, se Red Butte, nne of Seiad Valley 1730 Comment
  UC1560740 Image available Potentilla cristae W. J. Ferlatte 1988-8-10 2117 Siskiyou ridge e Cory Peak; China Mt. se Quad., ridge e of Cory Peak 2286 Comment
  SEINET11916322  Potentilla drummondii H. P. Chandler 1901-1 1564 Siskiyou nr Marble Mtn 1829 Comment
  UC860686  Potentilla gracilis A. A. Heller 1915-8-26 12232 Siskiyou n side of Mt. Eddy 1981 Comment
  UC420585  Potentilla gracilis var. fastigiata Annie M. Alexander and Louise Kellogg 1911-7-16 247 Siskiyou South Fork Salmon River 1524 Comment
  CHSC106097  Potentilla millefolia Lowell Ahart; John Dittes 2010-7-30 16938 Siskiyou West of the pipe crossing the Shasta River, about 10 yards south 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
  UCR142893  Potentilla millefolia L. C. Wheeler 1935-6-23 3590 Siskiyou Shasta River, 2 mi NW Montague 762 Comment
  RSA114763  Potentilla millefolia J. M. Tucker 1950-7-24 1958 Siskiyou Southern edge of Grass Lake, beside Highway 97, about 22 miles NE of Weed Comment
  HSC65492  Prosartes hookeri R. White 1977-7-21 124 Siskiyou Slope below outlet of Raspberry Lake. 1512 Comment
  CAS-BOT-BC516389  Prosartes hookeri Alice Eastwood 1923-5-27 11941 Siskiyou Shasta Springs on road to McCloud 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-BC158242  Prunus emarginata Annetta Carter 1939-8-19 1455 Siskiyou 3.5 miles north of Dunsmuir 914 Comment
  CAS-BOT-BC158243  Prunus emarginata Wm. Bridge Cooke 1938-7-22 11318 Siskiyou Sisson Southern Trail Comment
  CDA26150  Prunus emarginata T. C. Fuller 1960-5-26 4345 Siskiyou 2 miles south of Mt. Shasta City. 0 Comment
  JEPS44954  Prunus emarginata Geo. D. Butler 1908-8-26 537 Siskiyou Salmon Mountain, near summit Salmon Mountain Comment
  RSA183438  Prunus emarginata J. M. Tucker 1963-7-7 3711 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  RSA3387  Prunus emarginata Carl B. Wolf 1931-9-1 1260 Siskiyou 0.25 miles North of entrance to Shasta Springs 915 Comment
  RSA63068  Prunus emarginata L. S. Rose 1950-5-7 50108 Siskiyou Shasta Springs 915 Comment
  UC165439  Prunus emarginata Geo. D. Butler 1910-5-1 1256 Siskiyou Humbug Mountain Comment
  SEINET9362850  Prunus emarginata Unknown 2009-5-31 Siskiyou High elevation, semi-arid ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  SEINET10937255  Prunus subcordata Lincoln Constance, Reed C. Rollins 1942-5-14 Constance s.n. 1942 Siskiyou Road to Walker Post Office, 3 miles west of Yreka. 1220 Comment
  CAS-BOT-BC151242  Prunus virginiana var. demissa Doris K. Kildale 1929-5-31 9125 Siskiyou Cecilville, South Fork Salmon River Comment
  CAS-BOT-BC151243  Prunus virginiana var. demissa Elmer I. Applegate 1935-6-10 9483 Siskiyou Caldwell Butte, Lave Beds National Monument 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
  UC1539994  Prunus virginiana var. demissa M. Mitchell 1936-5-19 34 Siskiyou Lava Beds National Monument 1371 Comment
  JEPS33954  Pseudognaphalium stramineum George D. Butler 1908-9-6 316 Siskiyou Butler's ranch near Yreka Comment
  RSA478138  Pseudostellaria jamesiana M. B. Dunkle 1944-7-7 9077 Siskiyou Deer Creek. 1768 Comment
  HSC36736  Pseudotsuga menziesii var. menziesii Brent Whitely 1975-6-21 11 Siskiyou 223 Comment
  UC55662  Pseudotsuga menziesii var. menziesii Harley P. Chandler 1901-6-1 1685 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  UC166596  Pterospora andromedea Geo. D. Butler 1910-8-7 1817 Siskiyou Humbug Mountain 1219 Comment
  UC375216  Pterospora andromedea Geo. D. Butler 1908-6-28 21 Siskiyou Quartz Valley Comment
  CAS-BOT-BC460556  Pterospora andromedea H. A. Thomas; J. H. Thomas 1954-7-21 4400 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1158 Comment
  RSA12567  Pterospora andromedea C. B. Wolf 1934-7-6 6019 Siskiyou SW side of Mt. Shasta, about 4 mi. N.W. of Wagon Camp. 1524 Comment
  RSA176490  Pteryxia terebinthina var. californica A. A. Heller 1928-6-9 s.n. Siskiyou Located on Spring Hill near Sisson. Comment
  JEPS18597  Purshia tridentata var. tridentata Geo. D. Butler 1909-5-1 686 Siskiyou Shasta River Comment
  UC1181816  Purshia tridentata var. tridentata Dorothy Parker 1950-5-21 437 Siskiyou near Kidder Creek; Siskiyou Mountains, Scott Valley 883 Comment
  UC164302  Purshia tridentata var. tridentata Geo. D. Butler 1909-5-1 686 Siskiyou near Yreka Creek (Shasta River); Shasta River Comment
  CAS-BOT-BC147913  Purshia tridentata var. tridentata Ella Dales Cantelow 1940-6-2 4311 Siskiyou W. of Indian Wells Ranger Station Comment
  CAS-BOT-BC460860  Pyrola aphylla Volney Rattan 1879-6-1 s.n. Siskiyou Klamath Comment
  RSA0082806  Pyrola aphylla R. F. Thorne 1969-8-2 63333 Siskiyou Trail to upper English Lake along Salmon River. Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. 1159 Comment
  UC876211  Pyrola asarifolia Alice Eastwood 1912-7-17 1175 Siskiyou Sisson Comment
  HSC23584  Pyrola asarifolia subsp. asarifolia J. O. Sawyer 1970-7-3 2312 Siskiyou W of camp 3 1524 Comment
  JEPS58825  Pyrola crypta Willis L. Jepson 1894-8-4 14660 Siskiyou Cedar Spring, Trail to Mt. Shasta Comment
  CAS-BOT-BC462799  Pyrola dentata Doris K. Kildale 1929-7-21 8749 Siskiyou Elk Lick, South Fork of Indian Creek 1524 Comment
  HSC804  Pyrola picta William J. Ferlatte 1967-7-25 715 Siskiyou N side of Caribou Mtn. 1982 Comment
  SD75841  Pyrola secunda D. F. Howe 1969-8-30 4672 Siskiyou Blake's Creek, north fork Salmon River, 20 miles southwest of Aetna 1829 Comment
  JEPS83896  Quercus Wayne Roderick Jul 1976 Siskiyou vicinity Cook and Green Pass (along trail to Copper Butte); Siskiyou Mountains 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
  UC142637  Quercus garryana Copeland 1903-7-14 3522 Siskiyou Klamathon Comment
  CAS-BOT-BC62758  Quercus garryana var. breweri John Thomas Howell 1939-8-2 14918 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC62764  Quercus garryana var. breweri H. E. Brown 1897-7-15 597 Siskiyou on the south side of Mt. Shasta 3048 Comment
  HSC19220  Quercus garryana var. breweri J. O. Sawyer 1968-7-23 600 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  UCD46154  Quercus garryana var. semota D. Sanchez-Mata 1997-9-17 s.n. Siskiyou Shasta-Trinity National Forest. Shasta Caverns Road near Shasta Lake. 430 Comment
  UCD46169  Quercus garryana var. semota Frederick W. Oettinger 1968-8-18 574 Siskiyou The High Lake Basins in the Vicinity of English Peak Marble Mountain Wilderness area. 1920 Comment
  CAS-BOT-BC105469  Quercus kelloggii D. E. Breedlove 1962-6-10 3319 Siskiyou on the N bank of the Klamath River at its junction with Goff Creek, 4.5 miles W of Seiad 411 Comment
  UCD46691  Quercus kelloggii Frank C. Vasek 1975-6-29 750629 9 Siskiyou 2.3 miles east of Callahan, Siskiyou County, California. Comment
  CAS-BOT-BC104345  Quercus sadleriana Oliver V. Matthews 1939-7-3 22 Siskiyou from upper limits of Sullivan Mine Grove of the Bakers Cypress region, Cook & Green Region 1219 Comment
  CAS-BOT-BC104370  Quercus sadleriana G. D. Hanna; Salem Rice 1952-10-17 s.n. Siskiyou Sanger Lake Comment
  CDA22036  Quercus sadleriana T. C. Fuller, Don Shaw 1974-9-24 20031 Siskiyou Pacific Crest Trail, summit of the Siskiyou Mountains, east of White Mountain. 0 Comment
  JEPS8479  Quercus sadleriana Rimo Bacigalupi with J. P. Tracy, L. Constance, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-16 3454 Siskiyou about 1.5 mi se and below saddle at summit of Takilma-Happy Camp road Comment
  LA205358  Quercus sadleriana Edward Lee; 1934-8-13 1067 Siskiyou Kalmath National Forest, Happy Camp to Waldo (Oregon) rd, watershed of W Branch of Indian Creek 1371 Comment
  SJSU444  Quercus sadleriana A. W. Jacobs 1938-10-16 Siskiyou near summit of ridge c. 4 mi SW of Clear Cr (Pick-Aw-Ish) on Klamath R 1828 Comment
  CAS-BOT-BC104615  Quercus vacciniifolia L. E. Smith 1913-7-1 450 Siskiyou Rainbow Comment
  CAS-BOT-BC104631  Quercus vacciniifolia Louis C. Wheeler 1934-8-8 3066 Siskiyou Siskiyou Mts. West Fork Beaver Creek 1676 Comment
  HSC74930  Quercus vacciniifolia J. P. Smith, Jennifer Whipple 1978-7-2 9975 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  RSA237820  Quercus vacciniifolia Frederick W. Oettinger 1968-9-8 783 Siskiyou On east side of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  CAS-BOT-BC328129  Raillardella pringlei Douglas Barbe 1959-7-11 538 Siskiyou Gumboot Lake, headwaters of the South Fork Sacramento River, 15 miles west of Mount Shasta, Shasta National Forest 1767 Comment
  UC1265404  Ranunculus aquatilis var. capillaceus Frederick W. Oettinger 1969-9-5 1679 Siskiyou Abbot's Lake Salmon Mountains, Marble Mountain Wilderness Area (high lake basins in vicinity of English Peak, w Siskiyou Co.) 1767 Comment
  UC61079  Ranunculus aquatilis var. capillaceus W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
  UC922382  Ranunculus eschscholtzii var. suksdorfii Annie M. Alexander and Louise Kellogg 1949-7-22 5847 Siskiyou trail to Kings Castle Marble Mountains, Paradise Lake 1920 Comment
  UC375275  Ranunculus flammula Geo. D. Butler 1908-8-10 356 Siskiyou waterhole above Log Lake (Shackleford Creek); Shackleford Creek 1524 Comment
  CHSC1488  Ranunculus occidentalis var. dissectus V. Holt 1943-8-7 Siskiyou Marble mountains. 1828 Comment
  POM268494  Ranunculus occidentalis var. ultramontanus C. L. Hitchcock 1939-7-6 5197 Siskiyou 10 miles SE of Takihua, Oregon, on road to Happy Camp, Siskiyou Mts. 1220 Comment
  POM99442  Ranunculus orthorhynchus Geo. D. Butler 1910-4-21 1214 Siskiyou Oro Fino Comment
  RSA211128  Ranunculus orthorhynchus William J. Ferlatte 1966-6-22 106 Siskiyou Wooded area 3 miles S of Big Flat. 1585 Comment
  RSA256708  Ranunculus orthorhynchus J. P. Smith, Thomas W. Nelson 1974-5-25 7471 Siskiyou Along road 8, 4.7 mi. west of its junction with State Route 3. 1159 Comment
  JEPS94856  Rhamnus californica subsp. occidentalis Vernon H. Oswald and Lowell Ahart 1998-8-3 9447 Siskiyou Rock Fence Lake Rd. (USFS 41N18) 0.1 mi ne of its intersection with Kangaroo Lake Rd. (USFS 41N08) (4.9 mi se of Gazelle-Callahan Rd.) 1676 Comment
  UC592954  Rhamnus rubra Carl B. Wolf 1930-10-22 Siskiyou 3 mi n Mt. Shasta City (on the Pacific Highway) 1219 Comment
  RSA34039  Rhamnus rubra subsp. obtusissima A. A. Heller 1920-8-13 13525 Siskiyou Upton. Comment
  HSC100036  Rhus aromatica J. P. Smith, & J. O. Sawyer 2010-5-6 12821 Siskiyou Along Rd. 92K02, E of Copco. 778 Comment
  JEPS66277  Rhus trilobata Willis L. Jepson 1894-8-9 13916 Siskiyou Shasta Springs; Upper Sacramento Region Comment
  CAS-BOT-BC437999  Ribes Alice Eastwood 1912-7-23 1324 Siskiyou Cantara Comment
  CAS-BOT-BC438008  Ribes W. R. Dudley 1893-6-26 s.n. Siskiyou Lava slopes on Mt. Shasta Comment
  CAS-BOT-BC438016  Ribes A. M. Vollmer; L. Beane 1951-6-2 66 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klammath River Highway Comment
  CAS-BOT-BC92405  Ribes aureum var. aureum Doris K. Kildale 1929-3-11 7762 Siskiyou Klamath River at Hornbrook. Comment
  CAS-BOT-BC94998  Ribes binominatum R. C. Wenk 2005-6-17 173 Siskiyou Trinity Alps, S Fork of the Salmon River, near Big Flat Campground at S end of Big Flat Meadow 1517 Comment
  RSA237679  Ribes binominatum Frederick W. Oettinger 1969-7-15 1025 Siskiyou Between Diamond Lake and Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  RSA459477  Ribes binominatum M. B. Dunkle 1944-7-26 9038 Siskiyou Siskiyou National Forest. 1829 Comment
  CAS-BOT-BC108774  Ribes cereum Elmer I. Applegate 1935-6-2 9266 Siskiyou Indian Well, Lava Beds National Monument. Comment
  LA205407  Ribes cereum Wm. Bridge Cooke; 1938-8-22 11564 Siskiyou Diller Canyon Comment
  CAS-BOT-BC168874  Ribes inerme var. klamathense Geo. D. Butler 1910-4-9 1160 Siskiyou Ditch bank Yreka Comment
  HSC98167  Ribes lacustre J. O. Sawyer 1969-7-9 1235 Siskiyou N facing slope S of S Sugar Lake 2149 Comment
  UC11567  Ribes lacustre Harley P. Chandler June, 1901 1561 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  CAS-BOT-BC173380  Ribes lobbii Doris K. Kildale 1928-8-18 6436 Siskiyou Near head of north fork of Salmon River at Finley's Upper Camp 1524 Comment
  JEPS48554  Ribes lobbii Hilda W. Grinnell 1935-6-8 Siskiyou head Doggett Creek (Deer Creek Ranger Station); Siskiyou Mts. 1798 Comment
  JEPS82475  Ribes lobbii Gilbert Muth 1966-7-8 360 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  RSA0021625  Ribes lobbii Gilbert Muth 1966-7-8 359 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  RSA0021627  Ribes lobbii Geo. D. Butler 1909-5-31 793 Siskiyou Humbug Creek. Comment
  RSA0021628  Ribes lobbii J. P. Smith 1974-5-25 7443 Siskiyou Near junction of Road 8 and French Creek Road. 1280 Comment
  JEPS6909  Ribes marshallii W. Brookfield 1953-7-27 253 Siskiyou Marble Mountain Wilderness Area Klamath National Forest 1828 Comment
  CAS-BOT-BC217876  Ribes nevadense Ira L. Wiggins 1950-5-28 12372 Siskiyou On side of ridge above Grouse Creek, about 1.5 miles from Carmen Lake 1584 Comment
  CAS-BOT-BC217880  Ribes nevadense W. R. Dudley 1899-8-9 s.n. Siskiyou Black Butte Comment
  CAS-BOT-BC219269  Ribes nevadense Alice Eastwood 1923-5-23 11909 Siskiyou Near Shasta Springs Comment
  HSC671  Ribes nevadense William J. Ferlatte 1967-7-9 688 Siskiyou Kidd Creek Trail 1860 Comment
  JEPS24795  Ribes nevadense Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6804 Siskiyou headwaters Sacramento River (Shore of Castle Lake); Castle Lake, Sacramento River 1661 Comment
  RSA0023152  Ribes nevadense William J. Ferlatte 1967-7-9 688 Siskiyou Kidd Creek Trail. 1860 Comment
  RSA0023153  Ribes nevadense I. L. Wiggins 1955-7-25 13508 Siskiyou Ditch head on Rush Creek, Mountain View Ranch 1006 Comment
  RSA0022722  Ribes nevadense var. glaucescens A. A. Heller 1915-8-26 12244 Siskiyou Wagon Creek at the foot of Mt. Eddy. 1128 Comment
  JEPS84058  Ribes roezlii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6301 Siskiyou from Takilma to Happy Camp (Indian Creek Road, just s of state line) Comment
  SBBG14314  Ribes roezlii J. Major 1961-7-14 634 Siskiyou Panther Crk, Mount Shasta 1790 Comment
  UC1034606  Ribes roezlii Douglas Barbe 1955-6-29 44 Siskiyou 2.1 mi e Callahan (on Trinity Center Rd. about 600' beyond the bridge); Klamath Mountains 975 Comment
  UC1181812  Ribes roezlii Dorothy Parker 1950-4-23 404 Siskiyou near Etna Creek; Siskiyou Mountains, Salmon Mountain Range 914 Comment
  CAS-BOT-BC199982  Ribes roezlii var. cruentum John Thomas Howell 1937-7-26 13546 Siskiyou Caribou Gulch Comment
  CAS-BOT-BC199983  Ribes roezlii var. cruentum Wm. F. Herrin 1918-5-15 s.n. Siskiyou Shasta Springs Comment
  HSC100864  Ribes roezlii var. cruentum J. P. Smith, J. O. Sawyer, R. J. Cole 2010-8-7 13060 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2003 Comment
  RSA0024607  Ribes roezlii var. cruentum Geo. D. Butler 1909-4-11 655 Siskiyou Shasta Retreat. Comment
  CAS-BOT-BC186293  Ribes roezlii var. roezlii Ira L. Wiggins 1950-5-28 12374 Siskiyou Above Grouse Creek, about 1.5 miles from Carmen Lake 1584 Comment
  UCD78094  Ribes roezlii var. roezlii Robert E. Preston 2001-6-23 1570 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  HSC42901  Ribes sanguineum J. O. Sawyer, Ken Stillman 1976-5-29 2731 Siskiyou Junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  UC570965  Ribes sanguineum Dorothy Tebbe 1929-6-7 128 Siskiyou Mount Eddy Comment
  CAS-BOT-BC144511  Ribes sanguineum var. sanguineum A. M. Vollmer; L. Beane 1951-6-2 79 Siskiyou Happy Camp, Klamath River Highway Comment
  SD230240  Ribes sanguineum var. sanguineum Louis C. Wheeler 1959-7-19 7584 Siskiyou Salmon and Marble Mountains Region: Black Bear Creek, between Sawyers Bar & Cecilville 1372 Comment
  CAS-BOT-BC173907  Ribes velutinum Elmer I. Applegate 1927-4-24 5001 Siskiyou Modoc Lava Beds, Battle Ground Comment
  HSC20361  Ribes velutinum R. C. Wunner 1965-7-1 337 Siskiyou Lava Beds National Monument, near N Prefab. 1433 Comment
  RSA0019714  Ribes velutinum Louis C. Wheeler 1935-5-4 3467 Siskiyou Greenhorn Creek, Siskiyou Mountains. 854 Comment
  CAS-BOT-BC168809  Ribes viscosissimum John Thomas Howell 1939-8-2 14923 Siskiyou Spirit Lake, Marble Mts. Comment
  JEPS49193  Ribes viscosissimum W. L. Jepson 1907-7-5 2821 Siskiyou near Marble Mt. (head of Shackelford Canyon) 2286 Comment
  HSC13752  Romanzoffia californica Lincoln Constance, R. C. Rollins 1942-5-13 2904 Siskiyou Klamath River, 4 mi. E of Seiad 457 Comment
  CAS-BOT-BC74369  Rorippa columbiae Stuart K. Harris 1960-6-15 21388 Siskiyou Dry Lake. Comment
  UCD77974  Rorippa curvisiliqua Robert E. Preston 2002-7-14 1928 Siskiyou Klamath National Forest, N slope of Rainbow Mountain 1763 Comment
  RSA237284  Rorippa curvisiliqua Frederick W. Oettinger 1968-8-12 495 Siskiyou Just before first moraine enroute to Tobacco Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  JEPS117460  Rorippa nasturtium-aquaticum Lowell Ahart, John Dittes 2010-7-30 16960 Siskiyou About 50 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  UC1871387  Rosa Barbara Ertter 2006-7-30 18747 a Siskiyou E edge of Shasta Valley ca 15 air mi E of Yreka, Little Shasta River crossing on Harry Cash Road. Comment
  CAS-BOT-BC147461  Rosa californica Don. Reinoehl 1925-4-1 s.n. Siskiyou Dunsmuir Comment
  JEPS107857  Rosa eglanteria Lowell Ahart, John Dittes 2005-6-10 12065 Siskiyou Pasture east of a poor dirt road, about 90 yards northeast 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
  UC729589  Rosa eglanteria Carl B. Wolf 1930-10-23 1760 Siskiyou along river 1 mi above Happy Camp; Klamath River 182 Comment
  CAS-BOT-BC146736  Rosa gymnocarpa A. A. Heller 1915-8-24 12203 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC146747  Rosa gymnocarpa Marian L. Campbell 1921-7-26 s.n. Siskiyou Near Castle Crags Comment
  RSA237812  Rosa gymnocarpa Frederick W. Oettinger 1969-9-4 1640 Siskiyou NW side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1951 Comment
  UC726473  Rosa nutkana subsp. macdougalii A. A. Heller 1919-6-20 13254 Siskiyou Metcalf's Comment
  CAS-BOT-BC147070  Rosa pisocarpa Dorothy Parker 1948-8-19 s.n. Siskiyou Summit of Scott Mountain 1582 Comment
  HSC19401  Rosa pisocarpa J. O. Sawyer 1968-9-10 672 Siskiyou W shore of Raspberry Lake Comment
  RSA237816  Rosa pisocarpa Frederick W. Oettinger 1968-8-23 612 Siskiyou Just below Diamond Lake on way towards English Lake. Salmon Mtns. The High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2058 Comment
  CAS-BOT-BC148189  Rosa rubiginosa Geo. D. Butler 1910-7-31 1802 Siskiyou Dry land near Yreka Comment
  RSA78995  Rubus discolor E. K. Balls, Percy C. Everett 1952-10-13 18183 Siskiyou Just above turn off to Deer Creek on road to Castle Lake from Mt. Shasta. 1037 Comment
  POM211266  Rubus glaucifolius Louis C. Wheeler 1934-8-31 3233 Siskiyou Bear Creek off West Fork Beaver Creek 1768 Comment
  HSC96406  Rubus lasiococcus Gordon Leppig, J. Kalt 1996-7-9 363 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  UC637072  Rubus lasiococcus Edward Lee 1934-8-13 1079 Siskiyou Happy Camp to Waldo (Oregon) (watershed of West Branch of Indian Creek, Klamath National Forest); Klamath National Forest, West Branch Indian Creek watershed 1463 Comment
  CAS-BOT-BC147989  Rubus leucodermis Alice Eastwood 1921-7-26 10861 Siskiyou Soda Creek Comment
  UC329936  Rubus leucodermis J. G. Lemmon 1888-9-7 Siskiyou near Mt. Eddy; near Mt. Eddy Comment
  SEINET10542809  Rubus leucodermis LeRoy E. Detling 1947-6-4 Detling 6108 Siskiyou Slater butte, klamath national forest. T17n,r7e,sec.13. Douglas fir, oak Forest. Humboldt mer. Pseudotsuga tacifolia, quercus chrysolepis, q. Kelloggii, Arbutus menziesii, acer macrophyllum, pinus lambertiana. Mountain slope. Nw Exsposure. Rocky clay-loam. Mod. Dry, partial shade. Occasional 1067 Comment
  UC861838  Rubus ursinus A. A. Heller 1916-6-20 12419 Siskiyou Metcalf's Ranch ne base of Mt. Eddy, Metcalf's Ranch 1188 Comment
  UC1483467  Rumex acetosella Maralyn A. Renner 1980-7-24 2040 Siskiyou Lily Pad Lake Klamath National Forest, Seiad Valley Quad. 1767 Comment
  HSC19445  Rumex acetosella J. O. Sawyer 1969-7-16 1119 Siskiyou SE facing upper slope S of Siphon Lake 2235 Comment
  HSC39753  Rumex acetosella J. O. Sawyer 1969-8-1 1619 Siskiyou Along road 41N14 at trail to Eaton Lake 1402 Comment
  RSA184722  Rumex acetosella Gilbert Muth 1966-7-18 412 Siskiyou Marble Gap Trail, Meadow above Marble Valley, Marble Mtns. 1829 Comment
  RSA237971  Rumex acetosella Frederick W. Oettinger 1967-8-13 259 Siskiyou Just below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  UCD101332  Rumex kerneri G. D. Barbe 1980-6-5 2815 Siskiyou Abandoned dairy south of Knighton Road along Sacramento River, on Riverland Drive (Interstate 5 frontage road); between Redding and Anderson. 128 Comment
  UCD101336  Rumex kerneri G. D. Barbe 1980-6-5 2815 Siskiyou Abandoned dairy south of Knighton Road along Sacramento River, on Riverland Drive (Interstate 5 frontage road); between Redding and Anderson. 128 Comment
  CHSC72240  Rumex stenophyllus Vernon H. Oswald 1998-9-16 9647 Siskiyou Vista point on Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 8.7 mi east of Hwy. 97. 1243 Comment
  CAS-BOT-BC102799  Salix bebbiana Elmer I. Applegate s.n. Siskiyou Willow Creek, near Dome Mountain, south of Lower Klamath Lake 1219 Comment
  CAS-BOT-BC103542  Salix commutata Gilbert J. Muth 1969-8-11 1356 Siskiyou slope beneath high point of ridge s. of Boulder Peak 2377 Comment
  CAS-BOT-BC103543  Salix commutata Gilbert Muth 1965-8-5 s.n. Siskiyou Along trail behind Blk. Mt. Comment
  HSC34135  Salix eastwoodiae J. O. Sawyer 1969-8-4 1915 Siskiyou Headwaters of S Sugar Creek. 2043 Comment
  RSA184759  Salix eastwoodiae Gilbert Muth 1966-8-3 498 Siskiyou Marble Valley. Marble Mtns. 1793 Comment
  SBBG50695  Salix eastwoodiae J. M. Tucker 1963-7-7 3730 a Siskiyou near Paradise Lake, Paradise Lake Public Camp, base of Kings Castle on the E side, Marble Mountain Wilderness Area 1981 Comment
  UC1409264  Salix eastwoodiae Frederick W. Oettinger 1968-9-3 690 Siskiyou near Horse's Hole Horse Range Lake Basin; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1828 Comment
  CAS-BOT-BC107782  Salix hindsiana Wm. Bridge Cooke 1940-6-20 15157 Siskiyou Along the Klamath River along the Pacific Highway in the Klamath River gorge 609 Comment
  CAS-BOT-BC107783  Salix hindsiana Wm. Bridge Cooke 1940-6-20 15156 Siskiyou Along the Klamath River along the Pacific Highway in the Klamath River gorge 609 Comment
  JEPS38487  Salix laevigata Geo. D. Butler 1908-7-7 151 Siskiyou Butler Ranch near Yreka Comment
  SEINET12003261  Salix lasiandra H. P. Bracelin 1931-1 468 Siskiyou n side of Mt. Eddy, 21 km NW of Shasta City, below Dobkin's Lake 1770 Comment
  UC482251  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1931-6-19 423 Siskiyou ca. 16 km. n.w. Shasta City (n.e. side Mt. Eddy, stream above Metcalf ranch house); Mt. Eddy 1350 Comment
  CAS-BOT-BC125469  Salix lasiandra var. lasiandra W. B. Cooke; V. G. Cooke 1977-9-22 54823 Siskiyou Above Deter Camp, Mt. Shasta Comment
  CAS-BOT-BC107067  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-BC107081  Salix lasiolepis s.n. Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  POM107150  Salix lasiolepis Geo. D. Butler 1909-4-11 1078 Siskiyou Shasta Springs. Comment
  UC576393  Salix lasiolepis Mrs. H. P. Bracelin 1936-5-12 842 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-BC124540  Salix lasiolepis var. lasiolepis Louis C. Wheeler 1934-12-16 3363 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  CAS-BOT-BC128304  Salix lasiolepis var. lasiolepis Doris K. Kildale 1929-4-27 7846 Siskiyou Cecilville, upper South Fork of Salmon River Comment
  POM219748  Salix lucida subsp. lasiandra H. P. Bracelin 1931-6-21 473 Siskiyou N base of Mt Eddy. About 13 km NW of Shasta City. At bridge, about 1.3 km E of Burney Mill. 1110 Comment
  CAS-BOT-BC125688  Salix melanopsis Doris K. Kildale 1929-7-20 8565 Siskiyou South Fork Indian Creek near Happy Camp 457 Comment
  CAS-BOT-BC129048  Salix scouleriana W. R. Dudley 1907-8-18 s.n. Siskiyou Meadow near Jackson's Lake Comment
  HSC19449  Salix scouleriana J. O. Sawyer 1969-8-4 1814 Siskiyou Above Sugar Lake 2134 Comment
  RSA238270  Salix scouleriana Frederick W. Oettinger 1969-7-29 1093 Siskiyou Margin of Dry Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1845 Comment
  CAS-BOT-BC126160  Salix scouleriana L. E. Smith 1914-3-17 574 Siskiyou Sisson, Junction of S.P. and McCloud R.R. Comment
  UC576373  Salix sitchensis Mrs. H. P. Bracelin 1937-7-22 870 Siskiyou beyond head of Big Flat (near S. Fork Salmon River) 1615 Comment
  HSC4806  Salsola tragus R. C. Wunner 1965-7-21 407 Siskiyou Lava Beds National Monument, near Captain Jack's Stronghold. 1220 Comment
  UC25742  Salvia sonomensis Milo S. Baker 1893-8-19 Siskiyou s base Mt. Shasta (Squaw Valley); , Squaw Valley Comment
  JEPS12731  Sambucus mexicana W. L. Jepson July, 1894 Siskiyou Sisson Comment
  UC163752  Sambucus mexicana Geo. D. Butler 1908-8-4 995 Siskiyou Shackelford Creek; head Comment
  UC60941  Sambucus mexicana Geo. B. Grant September, 1902 5243 Siskiyou Shasta Springs Mount Shasta 609 Comment
  CAS-BOT-BC238892  Sambucus nigra subsp. caerulea Wm. Bridge Cooke 1939-6-30 13566 Siskiyou Mount Shasta. Grows near the outlet of MacBride Springs Comment
  CAS-BOT-BC238893  Sambucus nigra subsp. caerulea Alice Eastwood 1917-9-2 6662 Siskiyou Shasta Springs Comment
  CAS-BOT-BC236484  Sambucus racemosa subsp. racemosa Louis C. Wheeler 1934-8-2 3019 Siskiyou Alex Canyon, Klamath Forest 1889 Comment
  CHSC32941  Sambucus racemosa var. microbotrys J. P. Smith; Steve Selva 1970-6-16 4066 Siskiyou 8 miles west of Etna on road to Sawyers Bar. 1371 Comment
  UC922574  Sambucus racemosa var. microbotrys Annie M. Alexander and Louise Kellogg 1948-9-9 5611 Siskiyou Taylor Lake Siskiyou Mountains (near edge) 1828 Comment
  UC585154  Sanicula bipinnatifida E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2010 Siskiyou about 1 1/2 mi w of Mount Shasta City (Rainbow Ridge above Sulloway Creek); Rainbow Ridge 1188 Comment
  HSC61954  Sanicula graveolens Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1555 Comment
  JEPS25820  Sanicula graveolens Geo. D. Butler 1908-8-4 54 Siskiyou Head of Shackleford Creek Shackleford Creek 1676 Comment
  HSC21639  Sanicula graveolens Lincoln Constance, Ren Hwa Shan 1946-5-31 3059 Siskiyou E bank of Sacramento River at Dunsmuir 701 Comment
  HSC76720  Sanicula graveolens K. T. Stillman 1976-8-7 389 Siskiyou Marble Mountain Wilderness Area, trail from Black Mtn. camp to Jump off Comment
  UC166119  Saponaria officinalis Geo. D. Butler 1908-7-9 1059 Siskiyou near Yreka Comment
  UC1733718  Saxifraga Kay H. Beach, Frank Gould 1940-5-15 630 Siskiyou Bull Meadows Comment
  UC722383  Saxifraga ferruginea C. L. Hitchcock, J. S. Martin 1939-7-7 5287 Siskiyou Sanger Peak 1780 Comment
  POM354568  Saxifraga nidifica Christopher Davidson 1975-6-5 2691 Siskiyou 0.1 ENE on unnamed dirt rd. departing to E off Hwy 3 at Scott Mtn summit. 1677 Comment
  RSA261468  Saxifraga odontoloma J. M. Tucker 1963-8-19 3778 Siskiyou Headwaters of Canyon Creek. At the E base of Marble Mountain. Marble Mountain Wilderness Area. 1951 Comment
  HSC2420  Saxifragopsis fragarioides William J. Ferlatte 1966-8-5 347 Siskiyou Caribou Mountain 2470 Comment
  RSA184726  Saxifragopsis fragarioides Gilbert Muth 1966-7-25 452 Siskiyou Marble Rim below lookout (N). Marble Mtns. 2073 Comment
  CAS-BOT-BC283649  Schedonorus pratensis Louis C. Wheeler 1934-6-26 2796 Siskiyou Cottonwood Creek, Siskiyou Mountains 838 Comment
  JEPS63800  Scirpus acutus var. occidentalis B. C. Goldsmith 1916-8-21 15 Siskiyou Gazelle Comment
  RSA167320  Scirpus congdonii Joseph P. Tracy 1950-7-19 19203 Siskiyou Flint Valley, about 5 miles southeast of Elk Valley 1433 Comment
  RSA238938  Scirpus congdonii Frederick W. Oettinger 1968-9-6 740 Siskiyou At Bear Meadow mid-way along a straight line between English Peak and Tom Taylor cabin, at the head of Snowslide Gulch. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  SEINET3915118  Scirpus validus K. Morris, Conrad; Dunn 1973-6-2 347 Siskiyou Found at the junction of Shasta and Klamath River on Hwy 263.; 0 Comment
  JEPS88635  Scutellaria antirrhinoides Dean Wm. Taylor with Rexford E. Palmer 1988-6-23 9860 Siskiyou 4 mi n of Timbered Crater (1 mi se of Adobe Flat); The Modoc Plateau 1097 Comment
  UC175503  Scutellaria antirrhinoides Geo. D. Butler 1910-5-30 1430 Siskiyou Humbug Creek Comment
  UC164121  Scutellaria siphocampyloides Geo. D. Butler 1909-6-20 939 Siskiyou near Yreka Comment
  HSC103033  Secale cereale J. P. Smith 2014-6-7 13891 Siskiyou Etna Comment
  HSC76672  Sedum lanceolatum var. lanceolatum K. T. Stillman 1976-7-22 284 Siskiyou Marble Mtn. Wilderness Area Comment
  CAS-BOT-BC61467  Sedum laxum subsp. laxum Gilbert Muth 1969-8-6 s.n. Siskiyou Boulder Peak Ridge 2468 Comment
  CAS-BOT-BC64646  Sedum obtusatum subsp. boreale Alice Eastwood 1912-8-28 s.n. Siskiyou Cantara Comment
  UC772714  Sedum obtusatum subsp. boreale Robert T. Clausen, W. B. Cooke, and Harold Trapido 1940-7-26 4952 Siskiyou e side Mud Creek Canyon; Mt. Shasta, Sacramento River Basin 1706 Comment
  HSC19544  Sedum obtusatum subsp. retusum J. O. Sawyer 1969-6-13 1109 Siskiyou Slope above Little Duck Lake 2134 Comment
  HSC77103  Sedum oregonense K. T. Stillman 1976-7-31 353 Siskiyou Marble Mtn. Wilderness Area: Ridge N of jump off Comment
  SBBG2665  Sedum oregonense H. and M. Dearing 1939-7-1 3792 Siskiyou Salmon Mtn 1828 Comment
  CAS-BOT-BC59128  Sedum spathulifolium John Thomas Howell 1939-8-8 15142 Siskiyou Marble Mountains, between Marble Valley and Sky High Valley. Comment
  CAS-BOT-BC59094  Sedum spathulifolium L. B. Kildale 1930-6-1 9733 Siskiyou Salmon River between Oak Bottom and Soames Bar. Comment
  UC1410117  Sedum spathulifolium H. M. Wheeler Siskiyou Highway 96, 26 mi n Orleans (bridge at junction with Dillon Creek Road, steep exposed rocky wall); n of Orleans Comment
  RSA237787  Selaginella densa var. scopulorum Frederick W. Oettinger 1968-9-3 680 Siskiyou West of Horse Range Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area; 1905 Comment
  LA209668  Selaginella scopulorum Lawrence L. Kiefer; 1963-8-9 728 Siskiyou Castle Lake (SW of Mt Shasta), rocks at the S end of lake 2133 Comment
  CAS-BOT-BC69760  Selaginella wallacei Geo. D. Butler 1909-7-15 874 Siskiyou Highland River. Comment
  CAS-BOT-BC363421  Senecio aronicoides Wm. Bridge Cooke 1938-6-17 11013 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  RSA0013325  Senecio aronicoides B. C. Templeton 1964-6-9 10066 -a Siskiyou Slope of Mt. Shasta Comment
  RSA0013328  Senecio aronicoides J. P. Smith 1976-5-21 8769 Siskiyou Klamath national Forest, Forest Foad 40N08, 6.9 miles from its junction with State Route 3 1524 Comment
  UCD135520  Senecio aronicoides Wm. E. Moon 1958-5-29 s.n. Siskiyou Hebron summit, State Highway 97. 1584 Comment
  CAS-BOT-BC363745  Senecio hydrophilus T. C. Fuller 1958-9-12 s.n. Siskiyou 5 mi. s. of Yreka Comment
  HSC617  Senecio integerrimus var. major William J. Ferlatte 1966-7-7 197 Siskiyou Caribou Basin 1982 Comment
  RSA264986  Senecio triangularis G. L. Clifton 1975-7-28 5765 Siskiyou Near Cook and Green Pass near the Seiad Valley 1646 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
  JEPS109700  Shepherdia canadensis Dean W. Taylor 2002-7-20 18259 Siskiyou Forest Road 17 ca. 4.9 road miles (above) junction with Stewart Springs Road, Parks Creek 1737 Comment
  JEPS97199  Shepherdia canadensis Julie Kierstead Nelson with Maria Ulloa-Cruz 1995-8-22 95053 Siskiyou upslope from Parks Creek Road (Rd. 17), 5.25 mi above junction with Stewart Springs Rd., on the W slope of Parks Creek drainage Shasta-Trinity National Forests, Mt. Shasta Ranger District 1737 Comment
  RSA237594  Sibbaldia procumbens Frederick W. Oettinger 1969-9-3 1608 Siskiyou Shasta Ridge N below English Peak. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness. 2195 Comment
  UC1299198  Sidalcea asprella subsp. nana Freed W. Hoffman 1950-7-11 3723 Siskiyou Cedar Camp road 42.5 mi n Klamath River (western Siskiyou County); n of Klamath River, Cedar Camp Road Comment
  UC1483451  Sidalcea glaucescens Maralyn A. Renner 1980-6-23 997 Siskiyou West Fork Seiad Creek , Seiad Valley Quad. (Klamath National Forest) 877 Comment
  POM299543  Sidalcea glaucescens Marion Ownbey, Fred G. Meyer 1940-7-8 2227 Siskiyou Summit of Siskiyou Mountain, 21 miles north 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
  CAS-BOT-BC205791  Sidalcea oregana Geo. D. Butler 1909-6-4 768 Siskiyou Near Yreka Comment
  CDA36496  Sidalcea oregana J. R. Grisham 1961-6-14 Siskiyou Yreka 0 Comment
  RSA518677  Sidalcea oregana subsp. oregana W. L. Jepson 1940-6-28 20062 Siskiyou McCloud. 976 Comment
  UCD116856  Sidalcea oregana subsp. spicata J. M. Tucker 1950-7-23 1934 Siskiyou roadside just west of Mount Shasta High School, town of Mount Shasta. Comment
  CAS-BOT-BC384461  Silene antirrhina Volney Rattan 1879-1-1 s.n. Siskiyou Klamath Comment
  HSC99733  Silene campanulata subsp. greenei G. L. Clifton, Grisswold 1979-6-28 6111 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  UC904785  Silene douglasii W. Bridge Cooke 1949-8-26 25676 Siskiyou above Bolam Station (Mount Shasta); , above Bolam Station 2133 Comment
  CAS-BOT-BC388965  Silene grayi Copeland 1903-9-7 3853 Siskiyou Mt. Eddy Comment
  CHSC34499  Silene grayi J. D. Jokerst 1981-9-8 1465 Siskiyou Comment
  CAS-BOT-BC389421  Silene lemmonii Peter H. Raven 1956-9-5 10447 Siskiyou North Fork of Sacramento River 2194 Comment
  CAS-BOT-BC389536  Silene menziesii Wm. Bridge Cooke 1940-7-5 15236 Siskiyou Mount Shasta. Along the Wagon Camp road Comment
  POM100955  Silene menziesii subsp. dorrii Geo. D. Butler 1910-6-1 1445 Siskiyou Yreka Creek, in shade Comment
  SEINET10574541 Image available Silene menziesii var. viscosa Edward L. Greene 1876-6-29 Greene 900 Siskiyou Collected near Yreka. Comment
  UC1333307  Silene vulgaris Dorothy Parker 1949-6-30 Siskiyou along the banks of Crystal Creek banks of Crystal Creek, Scott Valley (Scott Valley) 871 Comment
  CDA17128  Sisymbrium altissimum G. F. Hrusa 2001-6-5 15842 Siskiyou Shasta Valley; Northbound exit from I-5 at Louie Rd. 914 Comment
  SBBG15962  Sisyrinchium bellum D. Myrick 1961-6-20 267 Siskiyou Bear Springs, on S slope of Mt Shasta 1676 Comment
  UC1076036  Smilax californica Herbert L. Mason 1947-5-15 14756 Siskiyou nw Edgewood Comment
  RSA12707  Smilax californica Carl B. Wolf, E. R. Johnson 1934-10-10 6171 Siskiyou Along the Klamath River, 1/2 mile below Clear Creek. 305 Comment
  RSA237939  Smilax jamesii Frederick W. Oettinger 1968-9-4 691 Siskiyou Outlet of Abbotts Lake. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  UC1409319  Smilax jamesii Frederick W. Oettinger 1968-9-4 691 Siskiyou outlet of Abbott's Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, High Lake 1722 Comment
  CHSC91239  Solanum dulcamara Lowell Ahart; John Dittes 2005-6-10 12078 Siskiyou In water on the north side of the Shasta River, about 60 yards northwest 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
  NY821076  Solanum parishii A. R. Kruckeberg 1972-6-10 6217 Siskiyou 3-4 mi. S. of Cook and Green Pass Comment
  RSA507765  Solidago canadensis J. C. Semple, S. Heard 1986-8-14 8460 Siskiyou Mt. Shasta City, behind grade school, on East Lake Street. Comment
  POM39717  Solidago canadensis subsp. elongata Geo D. Butler 1910-7-20 1732 Siskiyou Goosenest foothills 1524 Comment
  CAS-BOT-BC365572  Solidago elongata G. B. Grant 1902-9-11 s.n. Siskiyou Sisson Comment
  JEPS32370  Solidago elongata Geo. D. Butler 1908-8-10 308 Siskiyou Oro Fino , Oro Fino (Eastlick's Ranch) Comment
  UC830204  Solidago elongata Lewis S. Rose 1937-7-26 37604 Siskiyou McCloud 1005 Comment
  CAS-BOT-BC365573  Solidago elongata Elmer I. Applegate 1923-9-7 3957 Siskiyou Doggett Ridge, Siskiyou Mountain, Klamath River canyon Comment
  CHSC63502  Solidago multiradiata Vernon H. Oswald; Lowell Ahart 1994-8-1 6419 Siskiyou Forest Rd. 26 paralleling the South Fork of the Sacramento River, 0.3 mi E of Forest Rd. 40N43, 9.0 mi SW of the dam at Lake Siskiyou. 1438 Comment
  UC88188  Solidago spectabilis K. Curran Jul 1887 Siskiyou Sisson's Comment
  CAS-BOT-BC365240  Solidago velutina subsp. californica Wm. Bridge Cooke 1937-8-6 9190 Siskiyou Mount Shasta. Above Bear Springs Comment
  CDA7673  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
  CHSC91245  Sonchus asper subsp. asper Lowell Ahart; John Dittes 2005-6-10 12117 Siskiyou At 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
  CAS-BOT-BC157322  Sorbus californica John Thomas Howell 1939-8-3 14979 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC157323  Sorbus californica Ira L. Wiggins 1955-7-27 13554 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  RSA78999  Sorbus californica E. K. Balls, Percy C. Everett 1952-10-13 18187 Siskiyou E shore of Castle Lake. 1585 Comment
  CAS-BOT-BC158924  Sorbus scopulina D. M. Traugh 1933-8-6 5 Siskiyou Klamath National Forest 1783 Comment
  CAS-BOT-BC158937  Sorbus scopulina Louis C. Wheeler 1934-8-8 3068 Siskiyou W. Fork Beaver Cr., Klamath National Forest 1676 Comment
  UC454961  Sorbus scopulina I. J. Condit 1911-7-27 Siskiyou Castle Lake 1981 Comment
  HSC29624  Spergularia rubra Frederick W. Oettinger 1968-9-3 674 Siskiyou Marble Mtn. Wilderness Area, SE of Horse Range Lake 1829 Comment
  HSC63488  Spergularia rubra M. A. Baker 1978-5-20 585 Siskiyou Happy Camp Comment
  JEPS83883  Spiraea densiflora Wayne Roderick July 1976 Siskiyou vicinity Cook and Green Pass (along trail to Lily Lake); Siskiyou Mts., vicinity of Cook and Green Pass, Lily Lake 1706 Comment
  UC1034575  Spiraea densiflora Douglas Barbe 1955-7-26 270 Siskiyou nw slope Scott Mtn.; Klamath Mountains 1828 Comment
  RSA237644  Spiranthes romanzoffiana Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1303 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  RSA184651  Stachys emersonii Clare B. Hardham 1965-8-20 13030 Siskiyou Marble Mts., Granite Trail near Cudahy Lakes. 1220 Comment
  HSC27097  Stachys rigida J. P. Smith, J. O. Sawyer 1972-9-14 5808 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  RSA298323  Stachys rigida subsp. rigida J. P. Smith, Steve Selva 1970-7-16 4405 Siskiyou Beaver Creek Campground 823 Comment
  HSC23656  Stellaria borealis subsp. sitchana J. O. Sawyer 1969-6-27 857 Siskiyou Along CCC Rd. 1311 Comment
  POM56351  Stephanomeria lactucina Copeland 1903-8-15 3838 Siskiyou Sisson. Comment
  CAS-BOT-BC375668  Stephanomeria paniculata unspecified 1902-9-13 5064 Siskiyou Dunsmuir Comment
  HSC68567  Stipa lemmonii Maralyn A. Renner 1980-6-22 936 Siskiyou 1 mi. N of Little Shasta River 1402 Comment
  HSC67808  Stipa occidentalis var. californica J. O. Sawyer, J. Cole 1980-7-22 3948 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  HSC36418  Stipa occidentalis var. occidentalis J. O. Sawyer 1969-7-9 1267 Siskiyou Summit above S Sugar Lake. 2378 Comment
  CAS-BOT-BC61125  Streptanthus barbatus L. E. Smith 1913-6-29 418 Siskiyou Rainbow. Comment
  CAS-BOT-BC87839  Streptanthus tortuosus Alice Eastwood 1912-7-23 1342 Siskiyou Cantara. Comment
  UC455750  Streptanthus tortuosus unknown Siskiyou near Shasta Retreat (summit); Mt. Bradley 1981 Comment
  CAS-BOT-BC87877  Streptanthus tortuosus Geo. D. Butler 1910-4-22 1221 Siskiyou Kidder Creek. Comment
  CHSC30241  Streptanthus tortuosus var. orbiculatus M. S. Taylor; J. Prouty, E. Heinitz 1980-8-19 3268 A Siskiyou Paint Pot Crater. 1920 Comment
  HSC35794  Streptanthus tortuosus var. tortuosus J. O. Sawyer 1969-6-12 881 Siskiyou Ridge SE of Eaton Lake 2226 Comment
  CAS-BOT-BC516441  Streptopus amplexifolius W. R. Dudley 1907-8-25 s.n. Siskiyou Salmon Mts. Comment
  RSA184799  Streptopus amplexifolius Gilbert Muth 1966-7-24 443 Siskiyou Marble Valley, along creek, Marble Mountains. 1793 Comment
  RSA498175  Symphoricarpos Chadwick, Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  HSC27010  Symphoricarpos albus var. laevigatus J. P. Smith, J. O. Sawyer 1972-9-13 5778 Siskiyou 0.5 mi. W of Cook and Green Pass on rd. to Lily Pad Lake. Comment
  CAS-BOT-BC234780  Symphoricarpos mollis John Thomas Howell 1939-8-2 14925 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC18988  Symphoricarpos mollis J. O. Sawyer 1969-6-10 795 Siskiyou Lower SE slope above Sugar Creek, near Sugar Lake. 1799 Comment
  UC61064  Symphoricarpos mollis W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson; Mount Shasta Comment
  CAS-BOT-BC97948  Symphyotrichum frondosum A. A. Heller 1917-9-7 12977 Siskiyou Shasta Valley two miles south of Grenada 914 Comment
  UC201308  Symphyotrichum frondosum A. A. Heller 1917-9-7 12977 Siskiyou 2 mi s Grenada; Shasta Valley 914 Comment
  HSC26155  Symphyotrichum subspicatum J. P. Smith, J. O. Sawyer 1972-9-14 5804 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  CAS-BOT-BC221962  Taeniatherum caput-medusae H. S. Yates 1936-6-21 5808 Siskiyou .5 mile northeast of Hilt 1036 Comment
  UC157082  Taeniatherum caput-medusae Dr. E. B. Copeland 1903-7-5 3493 Siskiyou Klamathon, Round Mountain Round Mountain; Pacific Coast, Klamathon, Round Mountain Comment
  SEINET10861042  Taeniatherum caput-medusae E. E. Stanford 1930-6-16 Stanford 1602 Siskiyou Roadsides and open fields near Hornbrook Comment
  UCD78036  Taraxacum officinale Robert E. Preston 2001-6-30 1634 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W se 1/4 of nw 1/4 Section 14 1694 Comment
  HSC29493  Taxus brevifolia Frederick W. Oettinger 1968-8-13 504 Siskiyou Marble Mtn. Wilderness Area, NE side of Hancock Lake 1936 Comment
  CAS-BOT-BC447416  Tellima grandiflora Wm. F. Herrin 1920-5-1 s.n. Siskiyou Shasta Springs Comment
  HSC69571  Tellima grandiflora Maralyn A. Renner 1980-8-6 2266 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  UC1408864  Tellima grandiflora Frederick W. Oettinger 1969-7-16 1036 Siskiyou s of Abbott's Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  RSA238311  Tellima grandiflora Frederick W. Oettinger 1968-9-1 639 Siskiyou Southeast of Abbott s Lake. The Salmon Mountains. The High Lake Bains in the vicinity of English Peak. Marble Mountain Wildernes Area. 1860 Comment
  UC1037315  Thalictrum fendleri Leo Whitney 1934-6-24 1852 Siskiyou near Tennant; Antelope Creek 1463 Comment
  CAS-BOT-BC88063  Thelypodium brachycarpum A. A. Heller 1905-6-9 8011 Siskiyou Montague. Comment
  CAS-BOT-BC88074  Thelypodium brachycarpum J. H. Chastain 1917-6-1 s.n. Siskiyou Gazelle. Comment
  UC530060  Tiarella trifoliata var. unifoliata Louis C. Wheeler 1934-8-20 3196 Siskiyou West Fork Beaver Creek; Siskiyou Mts., West Fork Beaver Creek 1066 Comment
  JEPS80591  Tofieldia occidentalis subsp. occidentalis Gilbert Muth 1966-8-3 499 Siskiyou Marble Valley, water source spring Marble Mt. Wilderness Area 1792 Comment
  UC922499  Tofieldia occidentalis subsp. occidentalis Annie M. Alexander and Louise Kellogg 1949-7-29 5894 Siskiyou edge of Hidden Lake, above Sky High Lake Marble Mountains, Sky High Valley 1859 Comment
  CAS-BOT-BC447626  Tolmiea menziesii Ira L. Wiggins 1955-7-24 13501 Siskiyou Trail at crossing of China Creek, above diversion dam 1301 Comment
  HSC72481  Tonella tenella J. P. Smith 1973-5-5 6380 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  SEINET10810172  Torreyochloa pallida var. pauciflora Louis C. Wheeler 1935-7-26 Wheeler 3714 Siskiyou Siskiyou Mts., Jaynes Canyon. Wet sunny meadow. Mt. Diablo Mer. S 12 T 47 N, R 10 W. 1951 Comment
  CAS-BOT-BC169255  Toxicodendron diversilobum Alice Eastwood 1922-10-18 11529 Siskiyou Shasta Sprnigs Comment
  JEPS107382  Tragopogon dubius Lowell Ahart, John Dittes 2005-6-10 12066 Siskiyou South edge of pasture, east of a poor dirt road, about 90 yards northeast 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
  HSC6293  Tragopogon dubius R. C. Wunner 1965-7-9 359 Siskiyou California Lava Beds National Monument; Crescent Butte. 0.1 mi. on road to Mammoth Crater from junction of road headquarters 1448 Comment
  UCR110591  Trautvetteria caroliniensis var. occidentalis L. C. Wheeler 1963-8-28 8289 Siskiyou Siskiyou Mtns., Clear Creek c. 1 mile below West Fork 640 Comment
  HSC19117  Triantha occidentalis subsp. brevistyla J. O. Sawyer 1969-8-1 1612 Siskiyou Behind Horseshoe Lake 1921 Comment
  CAS-BOT-BC519556  Triantha occidentalis subsp. occidentalis W. B. C. 1939-7-7 13611 Siskiyou Siskiyou Comment
  CAS-BOT-BC519566  Triantha occidentalis subsp. occidentalis Annie M. Alexander; Louise Kellogg 1949-7-29 5894 Siskiyou Sky High Valley, Marble Mts.: Edge Hidden Lake, above Sky High Lake 1859 Comment
  CAS-BOT-BC519575  Triantha occidentalis subsp. occidentalis W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar: near Mc Cloud Comment
  JEPS65824  Trifolium cyathiferum Geo. D. Butler 1908-8-3 386 Siskiyou Shackelford Creek Log Lake 1524 Comment
  HSC70495  Trifolium eriocephalum J. P. Smith, Steve Selva 1970-6-16 4016 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  UC1191487  Trifolium eriocephalum var. eriocephalum Herbert L. Mason 1948-7-17 13601 Siskiyou Eastern Grass Lake Comment
  UC375413  Trifolium eriocephalum var. eriocephalum Geo. D. Butler 1909-6-13 978 Siskiyou Moffit Creek Comment
  UC1607584  Trifolium longipes Barbara Ertter 1990-7-14 9314 Siskiyou ca 4 air mi due w Mt. Shasta City (at end of FR 41N53 ca 1 mi n of Morgan Meadows); east side of Mt. Eddy; w center Comment
  UCD35427  Trifolium longipes Beecher Crampton 1956-8-21 3808 Siskiyou South slope of Gumboot Lake, headwater of the south fork of the Sacramento River. 1920 Comment
  UCD111247  Trifolium longipes Al Crebbin 1957-7-23 57 K Siskiyou Head of Deadfall Creek base of Mt. Eddy Shasta National Forest. 2590 Comment
  CHSC71584  Trifolium longipes subsp. hansenii Vernon H. Oswald; Lowell Ahart 1998-8-3 9435 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  UC1409230  Trifolium longipes var. hansenii Frederick W. Oettinger 1968-8-17 553 Siskiyou nne Pine Lake (vicinity of English Peak); salmon Mtns, Marble Mtn Wilderness Area 1950 Comment
  CHSC27780  Trifolium macrocephalum K. Bridwell 1978-4-14 73 Siskiyou Roadside at Weed Airport, ca. 200 yds e Hwy 5, ca. 5 mi n of Weed. 762 Comment
  JEPS65936  Trifolium macrocephalum Geo. D. Butler 1909-4-14 639 Siskiyou Block 5, Yreka Comment
  UC642529  Trifolium pratense W. B. Cooke 1939-6-23 13520 Siskiyou Bear Springs Mt. Shasta 1524 Comment
  UC618761  Trifolium repens William Bridge Cooke 1938-9-17 11684 Siskiyou Horse Camp, Hudsonian Mount Shasta 2438 Comment
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Mar 31 2006
  UC726660  Trifolium repens A. A. Heller 1916-6-20 12414 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 Comment
  SEINET4206959  Trifolium variegatum A. A. Heller 1905-6-5 7964 Siskiyou Between Shasta Retreat and Shasta Springs.; 0 Comment
  RSA582466  Trifolium variegatum var. variegatum Louis C. Wheeler 1935-6-27 3618 Siskiyou Greenview, Scott Valley. 884 Comment
  UC202191  Triglochin maritima Geo. D. Butler 1910-8-21 1846 Siskiyou Saline Marsh Shasta Valley Comment
  CAS-BOT-BC133466  Trillium ovatum A. M. Vollmer; L. Beane 1951-6-2 62 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway 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
  UC1299348  Trillium ovatum subsp. oettingeri Freed W. Hoffman 1950-7-13 3638 Siskiyou S. Fork Indian Creek Rd. to Baldy Mt. (1.1 mi. before reaching Lookout) Comment
  UC1713746  Trillium ovatum subsp. oettingeri Maralyn A. Renner 1980-7-16 1782 Siskiyou Klamath Nat'l forest, Sawyers Bar Quad., Hancock Lake inlet 1950 Comment
  CAS-BOT-BC200272  Trisetum spicatum A. A. Heller 1914-8-28 11735 Siskiyou On the east side of Mt. Eddy 2438 Comment
  CAS-BOT-BC200273  Trisetum spicatum Geo. B. Grant 1902-9-7 5092 Siskiyou Mt. Shasta - Horse Camp Comment
  HSC18980  Trisetum spicatum J. O. Sawyer 1969-8-18 1982 Siskiyou Above South Sugar Creek 2134 Comment
  HSC76728  Trisetum spicatum K. T. Stillman 1976-8-8 395 Siskiyou Marble Mountain Wilderness Area, trail from jump off to Paradise Lake Comment
  UC157137  Trisetum spicatum Dr. E. B. Copeland 1903-8-16 3895 Siskiyou Mt. Shasta 2438 Comment
  CAS-BOT-BC521260  Triteleia bridgesii Volney Rattan 1879-6-1 s.n. Siskiyou Klamath River Comment
  CAS-BOT-BC133491  Triteleia crocea G. J. Muth 1969-8-10 1337 Siskiyou Ridge w. of Boulder Peak Comment
  HSC68487  Triteleia crocea Maralyn A. Renner 1980-6-9 841 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  HSC76883  Triteleia crocea K. T. Stillman 1976-6-27 143 Siskiyou Marble Mtn. Wilderness Area, near Bear Lake Comment
  JEPS29126  Triteleia crocea Lauramay T. Dempster 1961-7-1 1836 Siskiyou just n Horse Creek Drainage (s slope just e White Mountain, just s Oregon boundary); Siskiyou Mountains, Horse Creek drainage, White Mt. 1889 Comment
  RSA114961  Triteleia hendersonii E. K. Balls, Lee W. Lenz 1956-6-18 21717 Siskiyou 5.7 miles SE of Gazelle, Hwy 99, Yreka to Dunsmuir. 884 Comment
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May 2 2015
  UC161221  Triteleia ixioides subsp. anilina I. J. Condit 1911-7-27 Siskiyou Castle Lake 1828 Comment
  CAS-BOT-BC524315  Triteleia ixioides subsp. anilina W. B. C. 1938-7-15 11238 Siskiyou Wagon Camp Comment
  UC1037432  Tsuga mertensiana Douglas Barbe 1955-8-1 322 Siskiyou on Mt. Bolivar se of Craggy Lookout (n slope only); Klamath Mountains, Scott Mountains, Mt. Bolivar 2255 Comment
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Mar 6 2013
  SBBG2387  Turritis glabra H. and M. Dearing 1939-7-2 3803 Siskiyou below Salmon Mtn Summit 1524 Comment
  HSC67866  Uropappus lindleyi J. P. Smith 1976-5-5 8677 Siskiyou Road from Sawyers Bar to Somes Bar, just W of Sawyers Bar 671 Comment
  UC848743  Urtica dioica subsp. holosericea Alice Eastwood 1912-7-18 1217 Siskiyou Sisson Comment
  UC1101479  Utricularia macrorhiza Calvin McMillan and Malcolm A. Nobs 1949-6-17 800 Siskiyou Grass Lake, Hwy. 97 Comment
  CAS-BOT-BC199199  Vaccinium cespitosum Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Skyhigh [Sky High] Lake Comment
  HSC69171  Vaccinium cespitosum Maralyn A. Renner 1980-8-6 2329 Siskiyou Cracker Meadow 1555 Comment
  HSC96882  Vaccinium cespitosum Gordon Leppig 1998-7-10 912 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 671 Comment
  JEPS93910  Vaccinium cespitosum Vernon H. Oswald and Lowell Ahart 1998-8-3 9454 Siskiyou e of Kangaroo Lake (e end of Rock Fence Lake Road (USFS 41N18) in the Scott Mountains, near Rock Fence Creek); Scott Mountains, Rock Fence Lake Road 1920 Comment
  CHSC88998  Vaccinium membranaceum Steven Harris 1981-7-29 729 /1 Siskiyou Klamath National Forest. Near N. Fork Dillon Creek. 1219 Comment
  UC165967  Vaccinium membranaceum Geo. D. Butler 1908-8-8 30 Siskiyou s of Lake (at head of West Fork of Wooley Creek); West Fork of Wooley Creek Comment
  HSC68457  Vaccinium parvifolium Maralyn A. Renner 1980-7-4 1442 Siskiyou Clear Creek Trail, N of Trout Camp 1037 Comment
  SD230222  Vaccinium parvifolium Louis C. Wheeler 1959-7-25 7600 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  CAS-BOT-BC228834  Vaccinium scoparium Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-20 1933 Siskiyou Russian Wilderness, Klamath National Forest. Above Sugar Lake along Sugar Creek on steep SE-facing slope. (From trailhead off forest road 41N14) 2019 Comment
  RSA70260  Vaccinium scoparium J. T. Howell 1939-8-6 s.n. Siskiyou Marble Mountains Comment
  UCD137622  Valeriana sitchensis Alfred H. Murphy 1961-7-19 61 E Siskiyou Marble Mtns., Klamath National Forest, Sky High Valley, north end. 1584 Comment
  POM215872  Valerianella olitoria Louis C. Wheeler 1935-5-11 3485 Siskiyou Klamath River at Ash Creek; Siskiyou Mts. 610 Comment
  UCD95095  Vancouveria hexandra J. M. Tucker; D. V. Hemphill 1974-7-26 4294 Siskiyou Let 'Er Buck Meadows, 0.5 mile east of Haypress Meadows, Marble Mountain Wilderness Area. 1432 Comment
  HSC27716  Vancouveria planipetala Carl W. Mize 1972-6-8 18 Siskiyou Along main trail 305 Comment
  UC455607  Veratrum californicum var. californicum I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake Comment
  UC1187638  Veratrum insolitum Lincoln Constance, Rimo Bacigalupi, and Lawrence R. Heckard 1960-7-21 3692 Siskiyou Callahan road 13 mi e Cecilville; Salmon Mountains; Sheet 2 1371 Comment
  RSA165519  Veronica americana Clare B. Hardham 1961-6-30 8127 Siskiyou Siskiyou Mountains: White Mt. Comment
  JEPS66437  Veronica anagallis-aquatica L. R. Heckard and P. Rubtzoff 1971-8-2 2699 Siskiyou 2.2 mi w of Macdoel (along Meese Lake-Sams Nech Road) 1280