Search Results — 2000 specimen records retrieved (1361 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
  RSA237341  Abies X shastensis Frederick W. Oettinger 1968-9-8 788 Siskiyou The E side of English Lake on granitic cliff; Salmon Mountains. High Lake basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1784 Comment
  UCD70191  Abies X shastensis 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. 2250 Comment
  SJSU2195  Abies amabilis Mary B. Smith 9/1958 Siskiyou on promontory jutting into N side of Big Hancock Lake Marble Mountains Comment
  CAS-BOT-BC73510  Abies concolor Doris K. Kildale 1928-8-18 6456 Siskiyou Finley's Upper Camp - north fork Salmon River. 1371 Comment
  RSA183693  Abies concolor Gilbert Muth 1965-7-29 313 Siskiyou Near top of ridge, near four-corners, Marble Mountain. Comment
  CAS-BOT-BC78022  Abies grandis M. P. Anderson 1902-2-16 s.n. Siskiyou Ridge between Seiad and Hone Creek Comment
  HSC45184  Abies grandis J. O. Sawyer, E. Cope 1977-6-18 2934 Siskiyou Along Clear Creek Trail between Bear Pen Creek and West Fork. 671 Comment
  HSC41957  Abies magnifica Sue Sweet 1977-5-21 66 Siskiyou Off Road 8 on the Sugar Creek Trail along Sugar Creek 1585 Comment
  UC1041046  Abies magnifica var. shastensis J. W. Congdon 1900-8-13 Siskiyou Mt. Shasta Comment
  HSC31545  Acer circinatum Steve Selva, Roger Jensen 1974-8-22 33 Siskiyou Trail from Doe Flat campground to Buck Lake Comment
  SEINET5643775  Acer circinatum Alv Dan Youngberg 1964-7-20 78 Siskiyou Growing in canyon bottom of East Fork of Indian Creek.; 0 610 Comment
  RSA181623  Acer glabrum var. torreyi Dorothy Parker 1950-6-4 447 Siskiyou Salmon Mountain 1921 Comment
  RSA105402  Acer macrophyllum G. D. Barbe 1955-6-30 62 Siskiyou 1 mile northwest of Forest camp, Etna. Growing along Johnson Creek 945 Comment
  UC1045289  Acer macrophyllum W. Bridge Cooke 1940-7-12 15306 Siskiyou near Mount Shasta City (near the Box Canyon of the Sacramento); Box Canyon of the Sacramento, near Mount Shasta City 914 Comment
  CAS-BOT-BC18864  Achillea millefolium David D. Keck 1940-6-13 5177 Siskiyou 9 mi. S of Macdoel, on U.S. 97 between Dorris and Weed 1463 Comment
  CAS-BOT-BC18871  Achillea millefolium J. M. Tucker; L. K. Mann; S. L. Holloway 1963-8-18 3758 Siskiyou Southwestern ridge of Black Marble Mountain, Marble Mountain Wilderness Area 2133 Comment
  CAS-BOT-BC30427  Achillea millefolium Alice Eastwood 1921-7-28 10926 Siskiyou Medicine Lake Comment
  CAS-BOT-BC30429  Achillea millefolium John Thomas Howell 1939-8-6 15093 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  HSC67833  Achillea millefolium J. O. Sawyer, J. Cole 1980-7-22 3923 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  CAS-BOT-BC18863  Achillea millefolium David D. Keck 1938-8-7 4850 Siskiyou 1 mi. N of Schmitt Mill on road between Gazelle and Callahan, Scott Mtns. 1463 Comment
  CAS-BOT-BC30431  Achillea millefolium Gilbert J. Muth 1965-7-29 s.n. Siskiyou On top of Marble Mountain Lookout Comment
  UCD50460  Achnatherum lemmonii A. A. Beetle; with G. L. Stebbins Jr. 1942-5-31 3412 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  CAS-BOT-BC216930  Achnatherum occidentale Ralph K. Gierisch 1968-8-6 3362 Siskiyou Elk Flat, Shasta-Trinity forest 1310 Comment
  UCD50984  Achnatherum occidentale H. S. Yates 1936-6-21 5827 Siskiyou N base of Wintoon Butte. 1219 Comment
  RSA135723  Achnatherum occidentale subsp. californicum H. A. Thomas, John H. Thomas 1954-7-24 4513 Siskiyou Salmon-Trinity Mts. Vicinty of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville. 1829 Comment
  UC1265475  Achnatherum occidentale subsp. californicum Frederick W. Oettinger and R. F. Thorne 1969-8-4 1156 Siskiyou near Halfway Spring (on trail from English Lake to Diamond Lake; vicinity of English Peak Marble Mountains Wilderness Area); Salmon Mountains, High Lake Basins 1828 Comment
  POM211396  Achnatherum occidentale subsp. occidentale L. C. Wheeler 1934-6-11 2684 Siskiyou North Hungry Creek , Siskiyou Mtns. (Mt Diablo Mer) 1311 Comment
  JEPS107345  Achnatherum thurberianum Lowell Ahart, John Dittes 2005-6-9 12027 Siskiyou Hill, south of a rock fence, about 100 yards northeast of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  UCD51434  Achnatherum thurberianum Verne Grant; Irving Schneider 1947-8-26 8298 Siskiyou Lava Beds National Monument. Comment
  SBBG27160  Achyrachaena mollis L. C. Wheeler 1935-5-26 3533 Siskiyou Yreka Crk, Siskiyou Mts (S4, T 44N, R7W) 853 Comment
  POM30811  Achyrachaena mollis Geo. D. Butler 1910-5-8 1312 Siskiyou Near Yreka. Comment
  JEPS97191  Aconitum columbianum Julie Kierstead Nelson with Maria Ulloa-Cruz 1995-8-22 95045 Siskiyou 1 1/2 mi W of The Eddys (on Parks Creek Road (Rd. 17); W slope of Parks Creek drainage); Shasta-Trinity National Forests, Mt. Shasta Ranger District 1737 Comment
  UC375342  Aconitum columbianum Geo. D. Butler 1908-8-3 363 Siskiyou Shackleford Creek, Log Lake Comment
  CDA24173  Aconitum columbianum F. D. Horn 1979-8-15 Siskiyou Carmen Lake area near Callahan. 0 Comment
  SJSU6270  Aconitum columbianum R. W. Trivelpiece 1971-8-9 64 Siskiyou Kangaroo L on Kangaroo Cr, S of East Fork Scott R between Gazelle & Callahan 1737 Comment
  CAS-BOT-BC391518  Aconitum columbianum subsp. columbianum Alice Eastwood 1912-8-30 1989 Siskiyou Mount Eddy Comment
  CAS-BOT-BC391519  Aconitum columbianum subsp. columbianum Alice Eastwood 1912-8-30 1952 Siskiyou Mount Eddy Comment
  SEINET10619648 Image available Aconitum columbianum subsp. viviparum H. E. Brown 1897-7-1 Brown 514 Siskiyou Collected south side Mt. Shasta, Siskiyou County. 1524 Comment
  SJSU10647  Aconogonon newberryi C. L. Kline 1965-7-13 201 Siskiyou above Horse Camp on S slope Mt Shasta 2468 Comment
  HSC30500  Aconogonon phytolaccifolium Frederick W. Oettinger, R. F. Thorne 1969-8-7 1274 Siskiyou Marble Mtn. Wilderness Area, SE side of English Lake 1829 Comment
  UCSB25639  Actaea rubra Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp. 1402 Comment
  UC637155  Actaea rubra Edward Lee 1934-8-15 1130 Siskiyou near summit of rd. Happy Camp to Waldo (Oregon); Klamath Nat'l Forest, Indian Creek watershed 1584 Comment
  HSC4990  Adenocaulon bicolor J. O. Sawyer 1968-6-25 345 Siskiyou Along Horse Range Creek 1646 Comment
  HSC67732  Adenocaulon bicolor John Palmer 1980-8-12 701 Siskiyou SE of Ward's Gap. 1189 Comment
  CAS-BOT-BC68958  Adiantum aleuticum Lemmon 1881-7-1 s.n. Siskiyou Near Shasta Comment
  CAS-BOT-BC68955  Adiantum aleuticum A. A. Heller 1915-8-26 12235 Siskiyou Mt. Eddy in open swampy places in the forest. 1828 Comment
  SEINET10470216  Adiantum aleuticum G. B. Grant 1902-9-2 Grant UMO 32128 Siskiyou Collected at Shasta Springs northern keal. Comment
  SEINET3868489 Image available Adiantum pedatum J. P. Smith, Steve Selva 1970-7-15 4349 Siskiyou Road to Happy Camp.; 0 732 Comment
  CAS-BOT-BC123  Agastache parvifolia Alice Eastwood; John Thomas Howell 1940-6-14 8266 Siskiyou Lava Beds National Monument, near Schonchin Butte Comment
  HSC46720  Ageratina occidentalis William J. Ferlatte 1976-9-22 1860 Siskiyou 100 yds. N. of Dorleska Summit on Trinity County Line. 2134 Comment
  CAS-BOT-BC15480  Agoseris X dasycarpa Elmer I. Applegate 1923-8-18 3850 Siskiyou 2 miles east of Medicine Lake Comment
  HSC2258  Agoseris glauca var. glauca Geo. D. Butler 1910-6-19 1589 Siskiyou Goosenest Foothills; elev. 5000 ft 1524 Comment
  CHSC71274  Agoseris glauca var. laciniata Vernon H. Oswald; Lowell Ahart 1998-6-11 9224 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  HSC61110  Agoseris grandiflora Ruby Van Deventer 1955-8-5 Siskiyou Doe Flat; Forest Service Road 17N04 Comment
  UC163890  Agoseris grandiflora var. grandiflora Geo. D. Butler 1909-6-4 761 Siskiyou Yreka Comment
  CAS-BOT-BC15376  Agoseris grandiflora var. grandiflora Wm. Bridge Cooke 1938-8-5 11441 Siskiyou MacBride Springs, on southwest side of Mount Shasta 1524 Comment
  HSC67989  Agoseris heterophylla J. P. Smith 1974-5-25 7374 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  UC1125484  Agoseris heterophylla var. heterophylla M. H. Mitchell 1936-5-14 Siskiyou Canby's Cross; Doris Quad. 1234 Comment
  HSC92336  Agoseris monticola Jennifer Whipple 1976-7-14 1466 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  HSC46233  Agoseris retrorsa Jennifer Whipple 1978-6-5 2345 Siskiyou Weston Gulch in Scott Valley 854 Comment
  HSC69385  Agrostis exarata Maralyn A. Renner 1980-8-31 2668 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  UC161517  Agrostis exarata J. M. Tucker 1963-8-19 3782 Siskiyou headwaters Canyon Creek; Marble Mountain Wilderness Area 1950 Comment
  UC618637  Agrostis exarata W. Bridge Cooke 1938-7-15 11223 Siskiyou above Bear Springs; Mount Shasta 1676 Comment
  UCD35435  Agrostis exarata Beecher Crampton 1956-8-21 3838 Siskiyou Canyon of the south fork of the Sacramento River, lower slopes of White Ridge. 1371 Comment
  UCD52129  Agrostis exarata Beecher Crampton 1956-8-22 3869 Siskiyou Wagon Camp Road, lower south slopes of Mt. Shasta. 1645 Comment
  CAS-BOT-BC139564  Agrostis gigantea David D. Keck 1949-7-19 6349 Siskiyou 2 miles south of Grenada, along R.R. right-of-way. 777 Comment
  SEINET10510017  Agrostis gigantea A. Arthur Heller 1920-8-11 Heller 13509 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy, in open places in the forest. The original growth of yellow pine has been replaced by white fir, Douglas fir, and incense cedar. Shrubs are willow, Corylus, and Ceanothus. 1158 Comment
  RSA238357  Agrostis humilis Frederick W. Oettinger 1969-9-4 1631 Siskiyou East side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UCD51758  Agrostis hyemalis R. Tofsrud 1950-7-1 s.n. Siskiyou E. side of Mt. Shasta. 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
  JEPS88997  Agrostis idahoensis Julie Kierstead 1992-9-5 92063 Siskiyou Modoc National Forest, at e end of Medicine Lake Medicine Lake; Modoc National Forest, Medicine Lake 2042 Comment
  CAS-BOT-BC138938  Agrostis pallens Copeland 1903-9-6 3801 Siskiyou Mount Eddy. Comment
  HSC30513  Agrostis pallens Frederick W. Oettinger 1969-9-1 1571 Siskiyou Midway on slope from English Lake to Dry Lake, Salmon Mountains 2134 Comment
  UC1265351  Agrostis pallens F. W. Oettinger 1969-8-19 1456 Siskiyou head of wet meadow s big bare area between King David Peak and Abbot's Basin; Salmon Mountains 1905 Comment
  UCD53186  Agrostis pallens A. H. Murphy 1955-7-29 55 P Siskiyou Clear Lake, Marble Mountains, Klamath National Forest. 1798 Comment
  SEINET5335937  Agrostis pallens G. Butler 1910-7-12 1748 Siskiyou Shackleford Creek 1219 Comment
  SEINET7594102 Image available Agrostis pallens F. W. Oettinger 1969-1 1390 b Siskiyou near Upper English Lake, Salmon Mountains 1768 Comment
  HSC30584  Agrostis scabra Frederick W. Oettinger, R. F. Thorne 1969-8-4 1169 Siskiyou Marble Mtn. Wilderness Area, outlet to Hancock Lake. 1890 Comment
  HSC34301  Agrostis stolonifera J. P. Smith, J. O. Sawyer 1973-8-14 7294 Siskiyou W shore of Campbell Lake 1768 Comment
  RSA238351  Agrostis stolonifera Frederick W. Oettinger 1968-9-8 790 Siskiyou Cliffs south of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UCD53609  Agrostis stolonifera Mr. Roseman 1913-1 1 Siskiyou Butte Valley Comment
  RSA206889  Agrostis stolonifera Th. Holm 1903-9-6 3801 Siskiyou Capeland Comment
  UC1059001  Agrostis variabilis Beecher Crampton 1956-8-22 3857 Siskiyou s slope Mount Shasta (Panther Meadow); s slope Mount Shasta, Panther Meadow 2316 Comment
  UCD37093  Agrostis variabilis Beecher Crampton 1956-8-22 3858 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2316 Comment
  CAS-BOT-BC462994  Allium bolanderi Volney Rattan 1903-1-1 s.n. Siskiyou Klamath Comment
  RSA120497  Allium campanulatum S. S. Tillett 1956-7-11 698 Siskiyou just N of campground, Scott Mtn divide, Siskiyou - Trinity County line, 8 mile SE of Callahan. 1631 Comment
  HSC46047  Allium falcifolium Maralyn O'Meara 1974-5-25 429 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  JEPS47599  Allium falcifolium W. L. Jepson 1902-7-22 2096 Siskiyou Devil's Backbone, on border between Trinity amd Humboldt County Devil's Backbone 1828 Comment
  HSC77113  Allium falcifolium K. T. Stillman 1976-6-25 72 Siskiyou Above Elk Valley 1982 Comment
  RSA367094  Allium falcifolium L. C. Wheeler 1935-6-9 3566 Siskiyou Yreka Creek. Siskiyou Mtns. (Mt Diablo Mer.) 1220 Comment
  RSA634227  Allium validum Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38961 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  HSC43034  Allophyllum gilioides J. O. Sawyer, Ken Stillman 1976-7-2 2807 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  UC1409505  Allotropa virgata F. W. Oettinger 1973-8-23 1515 Siskiyou Chimney Rock and Smith Lake, Salmon Mountains 1417 Comment
  JEPS24791  Alnus incana subsp. tenuifolia Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6800 Siskiyou Castle Lake; shore, headwaters of Sacramento River 1661 Comment
  HSC68538  Alnus rhombifolia Maralyn A. Renner 1980-6-25 1103 Siskiyou Little South Fork Indian Creek, W Fork 1220 Comment
  JEPS46400  Alnus rhombifolia W. L. Jepson 1920-1 Siskiyou Hamburg Klamath River Comment
  JEPS58664  Alnus rhombifolia Geo. D. Butler 1908-7-4 10 Siskiyou near Reeders; Shasta River 670 Comment
  RSA11791  Alnus rhombifolia Elmer I. Applegate 1923-9-5 3936 Siskiyou Klamath River 12 miles below the Pacific Highway. Comment
  UC375244  Alnus rhombifolia Geo. D. Butler 1908-7-4 10 Siskiyou Shasta River Comment
  JEPS96880  Alnus viridis subsp. sinuata Dean W. Taylor 1999-8-12 17301 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley), creek crossing on logging road Comment
  UC1408784  Alnus viridis subsp. sinuata Frederick W. Oettinger 1968-8-3 383 Siskiyou near Base Camp (along trail bet. Diamond and Hancock Lakes, high lake basins in vicinity of English Peak, w Siskiyou Co.); Marble Mountain Wilderness Area, Salmon Mountains 2011 Comment
  CAS-BOT-BC137949  Alopecurus saccatus Lewis S. Rose 1946-6-4 46138 Siskiyou 2 miles south of Dorris. 1219 Comment
  CHSC88382  Alyssum alyssoides Jenny Marr 1993-7-1 187 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS93923  Alyssum alyssoides Vernon H. Oswald and Lowell Ahart 1998-8-3 9403 Siskiyou Gazelle-Callahan Road 11.5 mi w of Gazelle; Gazelle-Callahan Road 1524 Comment
  JEPS94630  Alyssum alyssoides Vernon H. Oswald 1998-6-11 9178 Siskiyou on w side of Hwy 97 2.2 mi ne Lake Shastina-Big Springs Rd. (ne of Weed); Shasta NF plantation 1066 Comment
  UC1777717  Alyssum desertorum J. Di Tomaso 2002-5-17 Siskiyou 8 mi NE of Montague (York Rd, 3 m E of intersection with Mulloy Rd) Comment
  UC163667  Amaranthus californicus Geo. D. Butler 1908-8-14 64 Siskiyou Yreka Comment
  HSC101744  Amelanchier alnifolia var. semiintegrifolia J. P. Smith, J. O. Sawyer 2010-5-2 12805 Siskiyou Along the Salmon River Road at Butler Creek. 257 Comment
  JEPS123503  Amelanchier alnifolia var. semiintegrifolia E. T. Doucette 2013-5-17 13 -113 Siskiyou McCloud River loop road Comment
  HSC24114  Amelanchier pallida J. O. Sawyer 1970-7-14 2354 Siskiyou S side of Bear Mtn. 1707 Comment
  RSA237662  Amelanchier pumila Frederick W. Oettinger 1967-7-22 179 Siskiyou E facing massive granite slope just SSE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC45212  Anaphalis margaritacea A. A. Heller 1914-8-28 11734 Siskiyou East side of Mount Eddy 2103 Comment
  CHSC63492  Anaphalis margaritacea Vernon H. Oswald; Lowell Ahart 1994-8-1 6416 Siskiyou Forest Rd. 26 paralleling the South Fork of the Sacramento River, 1.5 mi E of Forest Rd. 40N43, 7.8 mi SW of the dam at Lake Siskiyou. 1341 Comment
  JEPS95387  Anaphalis margaritacea Vernon H. Oswald and Lowell Ahart 1994-8-1 6416 Siskiyou 7.8 mi. s.w.of dam at Lake Siskiyou (Forest Rd. 26 paralleling S. Fork Sacramento R., 1.5 mi. e. of Forest Rd. 40N43) 1341 Comment
  HSC24626  Androsace elongata subsp. acuta L. C. Wheeler 1935-4-18 3432 Siskiyou Greenhorn Creek, Siskiyou Mountains, alt. 3100 ft. S30 T45N R7W 945 Comment
  HSC4930  Anemone deltoidea J. O. Sawyer 1968-7-2 354 Siskiyou Upper drainage of Joe Creek 1677 Comment
  HSC68434  Anemone deltoidea Maralyn A. Renner 1980-7-5 1500 Siskiyou Doe Flat 1220 Comment
  SEINET12093238  Anemone deltoidea Unknown 1982-1 20592 Siskiyou Cook and Green Pass 1524 Comment
  HSC22417  Anemone lyallii J. O. Sawyer 1969-6-12 936 Siskiyou Along Duck Lake Creek 1921 Comment
  CAS-BOT-BC391980  Anemone occidentalis Robert F. Thorne; Fred Oettinger 1969-8-10 38993 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta 2438 Comment
  UC8932  Anemone occidentalis unknown 1862-9-16 1419 Siskiyou Mt. Shasta 2438 Comment
  CAS-BOT-BC391981  Anemone occidentalis Joseph P. Tracy 1935-7-30 14386 Siskiyou On N.E. side of peak. Salmon Summit 2103 Comment
  JEPS50866  Anemone occidentalis Al Hobart 1967-8-8 Siskiyou n. side Preston Peak; westernmost Siskiyou Co., Preston Peak 1950 Comment
  UCSB11466  Anemone occidentalis Dearing, Hugh; Dearing, Margaret 1939-7-1 Siskiyou Soloman Mt. Summit 1981 Comment
  UCD127120  Angelica R. Tofsrud 1948-8-1 s.n. Siskiyou Siskiyou-Del Norte (Oregon) County Line: Oregon Border. 1524 Comment
  JEPS33952  Antennaria argentea George D. Butler 1908-8-10 317 Siskiyou Shackelford Creek Comment
  POM211801  Antennaria argentea L. C. Wheeler 1934-7-3 2852 Siskiyou Head of Soda Crk, Sterling Mt, Siskiyou Mtns. (Mt. Diablo Mer.) 677 Comment
  UC579119  Antennaria geyeri J. William Thompson 1936-7-8 13158 Siskiyou Lava Beds National Monument Comment
  UC891586  Antennaria geyeri Alice Eastwood 1912-7-15 1061 a Siskiyou McCloud Comment
  JEPS13217  Antennaria howellii subsp. howellii Geo. D. Butler 1909-7-15 954 Siskiyou Highland Mine Comment
  CAS-BOT-BC79902  Antennaria microphylla Hans Leschke 1960-8-10 1758 Siskiyou Badger Flat 1912 Comment
  SBBG30513  Antennaria rosea D. Myrick 1968-6-26 2031 Siskiyou Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  RSA416705  Antennaria rosea L. C. Wheeler 1934-8-2 3016 Siskiyou Alex Hole, Alex Canyon. Siskiyou Mtns. 1890 Comment
  CAS-BOT-BC102275  Anthemis cotula A. A. Heller 1916-7-20 12460 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy Comment
  SEINET12948030  Antirrhinum breweri G. D. Butler 1910-7-17 1569 Siskiyou Humbug Mountain. 1067 Comment
  RSA60648  Antirrhinum vexillocalyculatum subsp. breweri Rodney Gregg 1948-8-20 s.n. Siskiyou Along road at Quartz Valley, near Sniktaw Creek. 915 Comment
  UC637167  Apocynum androsaemifolium Edward Lee 1934-8-13 1071 Siskiyou Happy Camp to Waldo (Oregon) rd. Klamath Nat'l Forest, watershed of W. Branch of Indian Creek 1371 Comment
  CDA39740  Apocynum androsaemifolium T. C. Fuller 1960-6-29 4621 Siskiyou 6.5 miles southeast of Callahan, on road to Trinity Center. 0 Comment
  HSC96810  Apocynum androsaemifolium S. Lyon 2006-6-28 6 Siskiyou E side of Eddy Gulch Rd., 3 mi. S of the intersection with Sawyers Bar Rd. 915 Comment
  CAS-BOT-BC392018  Aquilegia Alice Eastwood 1922-10-18 11538 Siskiyou Shasta Springs Comment
  CAS-BOT-BC394983  Aquilegia formosa H. A. Thomas; J. H. Thomas 1954-7-23 4476 Siskiyou Salmon - Trinity Mts, about 6 miles SE of Cecilville, vicinity of Blind Horse Creek 1036 Comment
  CAS-BOT-BC394986  Aquilegia formosa Ira L. Wiggins 1955-7-24 13499 Siskiyou Trail at crossing of China Creek, above diversion dam 1301 Comment
  SBBG15640  Aquilegia formosa D. Myrick 1961-6-20 280 Siskiyou meadow at Bear Springs on S slope of Mt Shasta 1676 Comment
  HSC98160  Aquilegia formosa J. O. Sawyer 1969-7-1 993 Siskiyou Above Paynes Lake Creek 1951 Comment
  HSC58962  Aquilegia formosa var. truncata Gilbert Muth 1975-7-29 4090 Siskiyou Near Kangaroo Mtn., close to the town of Seiad Valley 1756 Comment
  POM366962  Aquilegia formosa var. truncata Chadwick, Glenn Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  POM99545  Aquilegia formosa var. truncata Geo. D. Butler 1908-7-12 1062 Siskiyou Hundrey Mtn Comment
  RSA99546  Aquilegia formosa var. truncata Geo. D. Butler 1908-8-9 352 Siskiyou Mountainside S of Marble Valley. 1829 Comment
  RSA0126150  Arabis divaricarpa John F. Emmel 1974-7-22 522 Siskiyou Meadows 0.2 air mile N of N end of Lower Wright Lake, Marble Mountain Wilderness Area. 2088 Comment
  HSC48280  Arabis divaricarpa var. interposita Ken Stillman 1978-7-6 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  CAS-BOT-BC17355  Arabis eschscholtziana Dorothy Parker 1948-6-14 s.n. Siskiyou Plowman's Valley. Rail Creek. 1203 Comment
  JEPS53035  Arabis glabra Geo. D. Butler 1908-6-23 122 Siskiyou Yreka Comment
  RSA0125769  Arabis glabra S. O. Mattoon, Ken Hansen 1978-6-17 30 Siskiyou Old Hwy 99E; 5 miles S of I-5 at Siskiyou Summit. 1220 Comment
  HSC74922  Arabis holboellii var. pendulocarpa J. P. Smith, Jennifer Whipple 1978-7-2 9963 Siskiyou Klamath National Forest, ridge trail E of Cook and Green Pass 1341 Comment
  HSC76766  Arabis holboellii var. retrofracta K. T. Stillman 1976-8-7 379 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  HSC90577  Arabis holboellii var. retrofracta Jennifer Whipple 1976-7-8 1365 Siskiyou Klamath Mtns.: N to NE facing steep granite bluff above Dobkins Lake 2317 Comment
  HSC57505  Arabis lyallii G. L. Clifton, Terry Griswold 1979-7-26 10157 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  HSC90271  Arabis modesta D. L. Goforth 1980-6-26 643 Siskiyou Salmon River at Tripp Creek 351 Comment
  CAS-BOT-BC17368  Arabis oregana F. D. Douthitt 1926-3-16 5 Siskiyou Klamath Forest. Klamath River near Horse Creek. 487 Comment
  HSC92698  Arabis oregana J. P. Smith 1973-5-5 6497 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC22083  Arabis platysperma J. O. Sawyer 1969-7-11 1325 Siskiyou E facing slope above S Sugar Creek 1890 Comment
  HSC90605  Arabis platysperma var. howellii Jennifer Whipple 1977-7-22 2057 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  HSC76885  Arabis puberula K. T. Stillman 1976-6-27 145 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  HSC6569  Arabis rectissima W. L. Jepson 1894-7-24 59 Siskiyou Mt. Shasta region, Muir Peak and Upton Plateau, N of Sisson Comment
  POM266325  Arabis rectissima Marion Ownbey, Fred G. Meyer 1940-7-3 2161 Siskiyou 5 miles NW of McCloud. Comment
  HSC79314  Arabis repanda D. H. Norris 1968-7-29 2210 Siskiyou Along trail from Big Flat to Yellow Rose Mine 1677 Comment
  RSA237353  Arabis rigidissima var. rigidissima Frederick W. Oettinger 1969-9-4 1636 Siskiyou West face of Peak just east of Hancock Lake. Salmon Mountains. High Lake Basins in the Vicinity of English Peak. Marble Mountain Wilderness Area. 1999 Comment
  SBBG5139  Aralia californica H. and M. Dearing 1939-6-19 3686 Siskiyou French Crk 731 Comment
  POM354174  Arceuthobium abietinum Louis C. Wheeler 1934-6-18 2723 Siskiyou West Fork Cottonwood Creek, Siskiyou Mtns. (Mt Diablo Mer.) 1463 Comment
  SEINET2471231  Arceuthobium abietinum subsp. wiensii R. L. Mathiasen 2008-9-16 2008 -34 Siskiyou 18.4 km W. of Indian Creek road on forest road 17N11 1310 Comment
  UC375255  Arceuthobium americanum Geo. D. Butler 1908-7-19 271 Siskiyou Comment
  JEPS40140  Arceuthobium campylopodum Milo S. Baker 1923-8-17 303 Siskiyou near Camp 6 Siskiyou Ntional Forest Comment
  UC164233  Arceuthobium campylopodum Geo. D. Butler 1908-8-26 273 Siskiyou Russian Creek Comment
  HSC15899  Arceuthobium campylopodum R. C. Wunner 1965-8-14 431 Siskiyou Lava Beds National Monument, 2 mi. S of Mammoth Crater on Tickner Rd. 1555 Comment
  HSC96174  Arceuthobium campylopodum R. L. Mathiasen 2005-3-12 532 Siskiyou 0.8 km N of Hwy. 89 on FS Rd. 88 (road to Mt. Shasta Ski Park), Shasta-Trinity National Forest 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
  CAS-BOT-BC46525  Arctostaphylos patula L. B. Kildale 1930-6-1 9861 Siskiyou Salmon River 5 mi. n. of Forks of Salmon. Comment
  JEPS2745 Image available Arctostaphylos patula Harriet P. Kelley 1914-3-22 Siskiyou Dunsmuir Mt. Shasta Region; Dunsmuir, Mt. Shasta region Comment
  LA42233  Arctostaphylos patula William Bridge Cooke; 1939-8-4 sn Siskiyou Mount Shasta, along the Sisson Southern Trail 1523 Comment
  OBI36635  Arctostaphylos patula David J. Keil 1983-7-3 17380 Siskiyou 11 mi NE of jctn with SR 3 along Gazelle-Callahan rd Comment
  POM77135  Arctostaphylos patula Geo D. Butler 794 Siskiyou Dry hills near Yreka. Comment
  RSA785506  Arctostaphylos patula Doris Bowers 1972-9-1 1890 Siskiyou Glass Mt., S/o Lava Beds National Mon. 1829 Comment
  UC1483421  Arctostaphylos patula Maralyn A. Renner 1980-7-23 1929 Siskiyou w side Upper Devil's Peak; Klamath National Forest, Seiad Valley Quad., Pacific Crest T 1767 Comment
  CAS-BOT-BC46436  Arctostaphylos patula Dudley 1922-4-1 s.n. Siskiyou Etna Mills. Comment
  POM367405  Arctostaphylos patula M. B. Dunkle 1944-8-25 9181 Siskiyou Siskiyou National Forest; Coastal Northern California. Comment
  SEINET11988198  Arctostaphylos patula W. Roderick, Sigg, J. 1981-1 s.n. Siskiyou Little Grayback between O'Brien & Happy Camp 1372 Comment
  UC166109  Arenaria congesta var. suffrutescens Geo. D. Butler 1910-6-5 1514 Siskiyou Log Lake Comment
  SD88364  Arenaria nuttallii subsp. gregaria Darley F. Howe 1972-7-4 Siskiyou Stony hilltop south of Del Norte; Siskiyou County marker on road to Youngs Valley. 1659 Comment
  POM208262  Arenaria serpyllifolia L. C. Wheeler 1934-6-4 2641 Siskiyou Ridge E Negro Gulch off Klamath River; Siskiyou Mts. 1067 Comment
  SEINET3918846  Aristida oligantha Beecher Crampton 1956-8-20 3798 Siskiyou Siskiyou County, o.5 mile south Dunsmuir, along U.S. Highway 99.; 0 701 Comment
  UCD129116  Arnica chamissonis Malcolm A. Nobs; Calvin McMillan 1949-6-17 797 Siskiyou Grass Lake, Highway 97. Comment
  CAS-BOT-BC82366  Arnica cordifolia L. E. Smith 1914-5-12 693 Siskiyou Weed Comment
  JEPS35920  Arnica cordifolia W. L. Jepson 1907-7-6 2849 Siskiyou Cudahay Valley (valley above) Cudahay Valley Comment
  HSC75631  Arnica dealbata J. O. Sawyer, R. J. Cole 1980-7-21 3823 Siskiyou 0.2 mile east of Medicine Lake Ranger Station; west end of Medicine Lake Comment
  UC892213  Arnica discoidea Alice Eastwood 1912-7-15 1105 Siskiyou Mc Cloud Comment
  CAS-BOT-BC82668  Arnica latifolia John Thomas Howell 1939-8-2 14909 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC82658  Arnica latifolia Gilbert Muth 1966-7-19 431 Siskiyou Marble Mountain Lookout trail, Marble Mts. 1828 Comment
  CHSC69068  Arnica longifolia Vernon H. Oswald; Lowell Ahart 1997-7-28 8790 Siskiyou Southeast of Medicine Lake at Paynes Springs. 1981 Comment
  CAS-BOT-BC82772  Arnica mollis Gilbert J. Muth 1969-8-11 1359 Siskiyou slope beneath high point of ridge s. of Boulder Peak 2346 Comment
  HSC22151  Arnica mollis J. O. Sawyer 1969-8-12 2012 Siskiyou NE of Wildcat Peak 1997 Comment
  HSC4914  Arnica mollis J. O. Sawyer 1968-7-23 569 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake 1829 Comment
  UC76022  Arnica nevadensis Milo S. Baker 1898-8-1 502 Siskiyou sw of Lake Medicine Comment
  JEPS24419  Arnica viscosa P. A. Munz 1960-8-22 24189 Siskiyou above Panther Meadows; Mt. Shasta, Panther Meadows 2529 Comment
  HSC76860  Artemisia arbuscula subsp. thermopola K. T. Stillman 1976-9-9 483 Siskiyou Marble Mountain Wilderness Area; jump off point, trail to Box Camp 1951 Comment
  CAS-BOT-BC90471  Artemisia douglasiana H. E. Brown 1897-7-15 574 Siskiyou South side Mt. Shasta 3048 Comment
  JEPS94885  Artemisia ludoviciana subsp. incompta Vernon H. Oswald and Lowell Ahart 1998-7-21 9339 Siskiyou on the s side of Tennant Road 0.2 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake, on e side of the intermittent stream draining Dry Lake); Tennant Road 1402 Comment
  HSC35806  Artemisia norvegica subsp. saxatilis J. O. Sawyer 1969-8-18 1978 Siskiyou S of S Sugar Lake 2104 Comment
  CAS-BOT-BC97416  Artemisia tridentata subsp. tridentata Alice Eastwood 1921-7-28 10879 Siskiyou Medicine Lake Comment
  UC1409365  Aruncus dioicus var. pubescens Frederick W. Oettinger 1969-9-4 1670 Siskiyou Tobacco Lake Salmon Mountains, Marble Mountain Wilderness Area (vicinity of English Peak, w Siskiyou County) 1828 Comment
  UC1736235  Aruncus dioicus var. pubescens Dean W. Taylor 1972-7-3 1583 Siskiyou Cook and Green Pass 1371 Comment
  CAS-BOT-BC447714  Aruncus dioicus var. vulgaris Carl B. Wolf 1927-8-27 1139 Siskiyou On the Klamath River at the mouth of Crawford Creek Comment
  RSA598718  Asarum caudatum R. S. Woglum 1938-8-28 2077 Siskiyou Siskiyou Mountains, Bear Basin. Comment
  UC705672  Asclepias fascicularis Marion Ownbey, Fred G. Meyer 1940-7-4 2170 Siskiyou near Hornbrook; Ditch Creek Comment
  SEINET10923196  Asclepias fascicularis Edwin B. Copel 1903-7-4 Copeland 3558 Siskiyou Klamathon Comment
  SDSU2732  Asclepias speciosa D. F. Howe 1979-6-26 5112 Siskiyou 0.3 mile south of #3 on Little Shasta road near Yreka. Comment
  CHSC71559  Aspidotis densa Vernon H. Oswald; Lowell Ahart 1998-8-3 9448 Siskiyou Rock Fence Lake Rd. (USFS 41N18) 1.2 mi northeast of its intersection with Kangaroo Lake Rd. (USFS 41N08) 4.9 mi southeast of Gazelle-Callahan Rd. 1767 Comment
  HSC44741  Aspidotis densa Maralyn O'Meara 1974-5-25 442 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  UC1478239  Aspidotis densa Nancy Morin with J. Richards 1981-7-18 307 Siskiyou Little Castle Lake Comment
  UC399496  Aspidotis densa Geo. D. Butler 1910-6-4 1494 Siskiyou Shackleford Creek Comment
  NY158754  Aster copelandii E. B. Copeland 1903-9-7 3867 Siskiyou Mt. Eddy 2743.2 Comment
  RSA184625  Aster intermedius Clare B. Hardham 1965-08 13003 Siskiyou Near Cudahy Lakes, Marble Mountains. Paso Robles. Comment
  RSA238769  Aster ledophyllus Frederick W. Oettinger 1967-8-20 292 Siskiyou Near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  HSC99986  Astragalus californicus Thomas W. Nelson 2005-7-16 9377 Siskiyou Along F. S. Rd. 42N16. 1337 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
  UC83718  Astragalus lentiginosus var. chartaceus Katharine Brandegee July 1887 Siskiyou Montagne Comment
  RSA143714  Astragalus lentiginosus var. salinus F. W. Peirson 1923-7-19 3602 Siskiyou Near Bray. Comment
  HSC101156  Astragalus purshii var. lectulus Dana York 2011-8-12 3050 Siskiyou Klamath National Forest, Marble Mountain ridge 2058 Comment
  HSC71345  Astragalus purshii var. lectulus J. P. Smith 1976-5-22 8782 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  JEPS54811  Astragalus purshii var. tinctus Geo. D. Butler 1909-4-14 631 Siskiyou Humbug Comment
  CAS-BOT-BC200849  Astragalus utahensis Geo. D. Butler 1910-5-5 1283 Siskiyou Humbug Mountain Comment
  HSC81752  Astragalus whitneyi var. siskiyouensis Thomas W. Nelson, Jane P. Nelson 1980-7-20 6190 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  CHSC32932  Asyneuma prenanthoides J. P. Smith; Steve Selva 1970-6-15 3899 Siskiyou Oak Bottom Campground near Somes Bar. 228 Comment
  HSC44583  Asyneuma prenanthoides Laura Witherspoon 1977-8-10 Siskiyou 2 mi. up FS Rd. 12N13 W of Bald Butte 610 Comment
  CAS-BOT-BC69571  Athyrium alpestre subsp. americanum W. B. C. 1938-9-8 11617 Siskiyou Panther Creek Glacial Meadow, Mount Shasta. More common near Horse Camp. 2590 Comment
  RSA333467  Athyrium filix-femina subsp. cyclosorum Dave Kelly, Walter Wisura 1985-7-30 4070 Siskiyou Siskiyou Mountains, along Middle Creek Road, north of Horse Creek. Comment
  CAS-BOT-BC66195  Athyrium filix-femina var. cyclosorum Geo. D. Butler 1908-8-4 244 Siskiyou Cold Spring Woolly Creek Comment
  CAS-BOT-BC66198  Athyrium filix-femina var. cyclosorum John Thomas Howell 1939-8-3 14988 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC69747  Athyrium filix-femina var. cyclosorum Maralyn A. Renner 1980-8-6 2243 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 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
  JEPS90599  Atriplex truncata Dean W. Taylor 1987-8-9 9294 Siskiyou along Hwy 161 (Oregon border) 8.3 mi w from Highway 139; Lower Klamath National Wildlife Refuge 1249 Comment
  UC204768  Avena sativa Geo. D. Butler 1908-6-25 1093 Siskiyou old fields near Yreka Comment
  HSC2326  Balsamorhiza deltoidea Geo. D. Butler 1910-4-16 1180 Siskiyou Klamath Hills Comment
  RSA121103  Balsamorhiza sagittata M. H. Mitchell 1936-5-8 s.n. Siskiyou 0.25 mile east of Symbol Bridge on Road 1418 Comment
  CAS-BOT-BC16686  Barbarea orthoceras John Thomas Howell 1937-7-22 13263 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CHSC33222  Barbarea orthoceras R. E. Preston 1981-5-2 58 Siskiyou On banks of Camp Creek where it enters Irongate Reservoir; ca. 32 km ne of Yreka. 700 Comment
  SBBG30532  Barbarea orthoceras D. Myrick 1968-6-24 1000 Siskiyou Mountain Meadow Ranch, Big Flat, Coffee Crk; Trinity Alps 1524 Comment
  HSC69087  Berberis nervosa Maralyn A. Renner 1980-7-24 2120 Siskiyou Pacific Crest Trail, 0.25 mi. SW of Cook and Green Pass. 1494 Comment
  CAS-BOT-BC75928  Berberis piperiana Carl B. Wolf 1933-7-5 5974 Siskiyou 4.7 miles from Oak Knoll Ranger Station on Klamath River, on road to Dry Lake Lookout, Siskiyou Mountains. 1219 Comment
  CAS-BOT-BC75945  Berberis piperiana Mrs. H. P. Bracelin 1936-5-12 849 Siskiyou North base of Mount Eddy. 11 miles northwest of Mount Shasta City. About 2 miles east of Burney Mill. 1127 Comment
  CAS-BOT-BC75998  Berberis pumila Carl B. Wolf 1927-8-27 1110 Siskiyou On the Klamath River, Happy Camp. Comment
  CAS-BOT-BC76027  Berberis repens Mrs. Van Fassen 1926-3-27 s.n. Siskiyou Dunsmuir. Comment
  HSC100791  Berula erecta Lowell Ahart, John Dittes 2010-7-30 16934 Siskiyou Along the W edge of the Shasta river, ~30 yd. NW of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 (air) mi. SW of Big Springs Lake, 4.6 (air) mi. NW of Dwinnel Dam, and 5.7 (air) mi. SE of Grenada. 717 Comment
  CDA38215  Berula erecta Carrick 1943-1 s.n. Siskiyou Weed. 0 Comment
  JEPS95283  Betula occidentalis Vernon H. Oswald and L. Ahart 1994-8-1 6443 Siskiyou T41N R6W NW1/4 Sec. 22, 5600 ft, Yellow Pine Forest. Junction of Forest Rd. 17, 3.3 mi SW of its junction with Stewart Springs Rd., W of Weed 1706 Comment
  UC166583  Bidens cernua Geo. D. Butler 1908-8-28 346 Siskiyou near Oro Fino Comment
  UC61668  Bidens cernua Geo. B. Grant 1902-9-1 5222 Siskiyou Sisson, Mount Shasta, Pacific Coast Pacific Coast, Mount Shasta, Sisson 914 Comment
  HSC82358  Bistorta bistortoides Thomas W. Nelson, Jane P. Nelson 1978-7-24 4519 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  HSC96829  Bistorta bistortoides S. Lyon, J. McIntire 2006-6-25 24 Siskiyou Burns Ranch; On F.S. Rd. 39N41, 0.2 miles southwest of intersection with Rd. 39N27 1341 Comment
  UC1112866  Blepharipappus scaber Milo S. Baker 1957-6-16 3125 Siskiyou Scott Mt. 1615 Comment
  CAS-BOT-BC127938  Blepharipappus scaber Brandegee s.n. Siskiyou Along trail from Big Flat to Yellow Rose Mine 1828 Comment
  CAS-BOT-BC127939  Blepharipappus scaber T. S. Brandegee 1887-6-1 s.n. Siskiyou Klamath River (Hornbrook) Comment
  CAS-BOT-BC127948  Blepharipappus scaber L. E. Smith 1913-5-1 266 Siskiyou Edgewood Comment
  CAS-BOT-BC127949  Blepharipappus scaber David D. Keck 1938-8-8 4861 Siskiyou On hillside 0.4 mi. S. of Scott Mt. Lodge 1040 Comment
  HSC41629  Blepharipappus scaber Barbara Kelly 1977-5-21 486 Siskiyou East side of road, Scott Valley. South boundary of Whipple Ranch 884 Comment
  CAS-BOT-BC15791  Boechera acutina John Thomas Howell 1937-7-23 13373 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC15805  Boechera acutina John Thomas Howell 1937-7-21 13205 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CHSC36131  Boechera breweri K. Bridwell 1978-4-15 95 Siskiyou Irongate Reservoir at Jenny Creek, ca. 20 mi ne of Hornbrook. 762 Comment
  CAS-BOT-BC16022  Boechera breweri subsp. breweri F. D. Douthitt 1926-3-16 52593 Siskiyou Klamath Forest. Klamath River near Horse Creek. 487 Comment
  CAS-BOT-BC16016  Boechera breweri subsp. breweri R. C. Barneby 1954-5-16 11505 Siskiyou Klamath River Canyon 9 miles upstream from Klamath River Post Office. 609 Comment
  JEPS53050  Boechera breweri subsp. breweri Geo. D. Butler 1909-5-14 726 Siskiyou Klamath River Comment
  CAS-BOT-BC16051  Boechera breweri subsp. shastaensis Lincoln Constance; Reed Clark Rollins 1942-5-13 2902 Siskiyou Klamath-Siskiyou Region. Klamath River near Clear Creek, 8 miles south of Happy Camp. 304 Comment
  UC673144  Boechera breweri subsp. shastaensis Lincoln Constance and Reed C. Rollins 1942-5-14 2930 Siskiyou 6 mi n Yreka; Klamath-Siskiyou Region, Shasta River 762 Comment
  CAS-BOT-BC13810  Boechera howellii Marion Ownbey; Fred G. Meyer 1940-7-4 2188 Siskiyou East side of Mount Shasta. On ridge above head of Brewer Creek. Comment
  CHSC471  Boechera lyallii V. Holt 1943-8-8 Siskiyou Marble Mountains. 1828 Comment
  CAS-BOT-BC14273  Boechera pinetorum John Thomas Howell 1939-8-2 14913 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC14274  Boechera pinetorum John Thomas Howell 1937-7-21 13153 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC14463  Boechera platysperma Alice Eastwood 1921-7-28 10897 Siskiyou Medicine Lake. Comment
  CAS-BOT-BC14666  Boechera rectissima Alice Eastwood 1921-7-30 11003 Siskiyou Soda Creek. Comment
  CAS-BOT-BC25417  Boechera retrofracta John Thomas Howell 1937-7-21 13203 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  JEPS53079  Boechera retrofracta Harley P. Chandler Jun 1901 1663 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  CAS-BOT-BC438786  Boechera rollei Dana York 2012-7-21 3129 Siskiyou Klamath/Siskiyou Mts. Rogue River - Siskiyou National Forest, Siskiyou Mountains, ridge above Echo Lake. 1790 Comment
  SEINET6061781  Boechera rollei David Morin, Rolle, Wayne; Bailey, C. D. 2012-6-27 013 Siskiyou .1 mile southwest of border between Siskiyou National Forest and Klamath National Forest. Pacific Crest Trail 1/4 mi above Lilypad Lake. .7 air mi. SSW of Red Butte Summit. Siskiyou Mountains. Comment
  CAS-BOT-BC17216  Boechera rollei Wayne E. Rolle 1985-8-27 s.n. Siskiyou Near Lilypad Lake, Red Butte and Kangaroo Mountain. 1767 Comment
  UC1333316  Boechera stricta Dorothy Parker 1949-5-28 305 Siskiyou Kidder Creek Salmon Mountains Range 914 Comment
  UC1442634  Boechera subpinnatifida William J. Ferlatte 1978-5-28 1906 Siskiyou 0.4 mi e Interstate 5 (0.2 mi ne of Hwy 3 on way to Montague, ne of Yreka) 830 Comment
  CAS-BOT-BC25922  Boechera suffrutescens Elmer I. Applegate 1923-8-17 3843 Siskiyou Medicine Lake. Comment
  CAS-BOT-BC25916  Boechera suffrutescens John Thomas Howell 1937-7-29 13632 Siskiyou Summit ridge of Scott Mountain between Siskiyou and Trinity counties. Comment
  JEPS15325  Brickellia greenei Alice Eastwood 1912-8-28 1956 Siskiyou Cantara Comment
  CAS-BOT-BC149058  Bromus carinatus var. carinatus Geo. D. Butler 1909-6-22 842 Siskiyou Goosenest Foothills. Comment
  CAS-BOT-BC149059  Bromus carinatus var. carinatus L. R. Short 1933-5-30 130 Siskiyou Klamath Forest. Miller Gulch. 609 Comment
  UC1265357  Bromus carinatus var. carinatus F. W. Oettinger 1968-8-6 453 Siskiyou Salmon Mountains, Crapo Meadow, w Siskiyou County Crapo Meadow; Salmon Mountains, Crapo Meadow 2133 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
  UCD58801  Bromus hordeaceus Geo. D. Butler 1910-5-4 1276 Siskiyou Near Yreka. Comment
  JEPS107285  Bromus japonicus Lowell Ahart, John Dittes 2005-6-9 12009 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  UCD58952  Bromus laevipes Robert E. Preston 2001-6-23 1620 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest. N-facing slope of Rainbow Mtn. 1706 Comment
  RSA184783  Bromus marginatus Gilbert Muth 1966-7-22 434 Siskiyou Meadow below Marble Rim, Marble Mountains. 2012 Comment
  UCD59539  Bromus rubens A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3394 Siskiyou 7 miles N of Weed. Comment
  JEPS107670  Bromus tectorum Lowell Ahart, John Dittes 2005-6-9 12010 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  NY664636  Bromus tectorum A. A. Heller 1905-6-9 8012 Siskiyou Montague Comment
  POM363991  Bromus tectorum M. B. Dunkle 1945-7-19 9232 Siskiyou Klamath National Forest; Marble Mts. Comment
  UC164911  Bromus tectorum Geo. D. Butler 1909-5-21 816 Siskiyou near Yreka Comment
  RSA239016  Calamagrostis canadensis Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1272 Siskiyou Lake Shore SE side English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  HSC24228  Calamagrostis koelerioides J. O. Sawyer 1969-8-1 1645 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  RSA184644  Calamagrostis koelerioides Clare B. Hardham 1965-8-20 13052 Siskiyou Cudahy lakes, Marble Mountains; Paso Robles Comment
  CAS-BOT-BC185256  Calamagrostis koelerioides W. R. Dudley 1901-8-23 s.n. Siskiyou Slope and top of Foxtail Ridge. Comment
  HSC68393  Calocedrus decurrens Maralyn A. Renner 1980-6-26 1247 Siskiyou SE edge of Flint Valley. 1390 Comment
  CAS-BOT-BC85735  Calocedrus decurrens H. E. Brown 1897-6-15 507 Siskiyou North side of Mt. Shasta 2743 Comment
  HSC77084  Calochortus coeruleus K. T. Stillman 1978-6-17 10 Siskiyou Marble Mtn. Wilderness Area, Elk Valley 1768 Comment
  SEINET4169790  Calochortus elegans Marion Ownbey, D. H. Brown 1941-6-23 2429 Siskiyou On ridge near Gunsight Peak , Mountains west of Yreka Comment
  UC722091  Calochortus elegans C. L. Hitchcock and J. S. Martin 1939-7-9 5335 Siskiyou near King's Castle; Paradise Lake 1767 Comment
  CAS-BOT-BC132416  Calochortus greenei Marion Ownbey; D. H. Brown 1941-6-24 2431 Siskiyou About half way up south side of Black Mountain, north-east of Yreka Comment
  JEPS55632  Calochortus nudus Wayne Roderick 1966-6-26 Siskiyou Castle Lake Camp 1676 Comment
  SEINET5108507  Calochortus nudus Unknown 1995-7-2 27 Siskiyou east of city Mt. Shasta; near intersection with Old Camp Two Rd. on highway 89 Comment
  UCD63043  Calochortus nudus Daniel Sanchez-Mata; Tomas Santamaria 2006-7-26 s.n. Siskiyou Weed. Rail Creek Road from Gazelle-Callahan Road. Kangaroo Lake. Kangaroo Lake Botanical Area. The Fen Trail. Scott Mountains, Klamath National Forest. 1850 Comment
  SEINET3863991  Calycadenia fremontii G. D. Carr 1974-9-11 781 Siskiyou Gazelle-Callahan Rd., 5.3 mi NE of Callahan.; 0 1068 Comment
  CAS-BOT-BC272748  Calycadenia truncata subsp. truncata Louis C. Wheeler 1934-10-6 3310 Siskiyou Shasta Valley 2 mi. SE Yreka 853 Comment
  UC454262  Calyptridium umbellatum I. J. Condit 1909-8-23 Siskiyou Castle Lake near Sisson; Castle Lake Comment
  UC879420  Calystegia malacophylla subsp. malacophylla A. A. Heller 1916-7-20 12471 Siskiyou e side Mt. Eddy (near Wagon Creek Falls); e side Mt. Eddy, near Wagon Creek Falls 1524 Comment
  CAS-BOT-BC160900  Camissonia tanacetifolia subsp. tanacetifolia Lillian S. Mott 1967-7-2 LM 6760 Siskiyou Along highway near Dorris 1524 Comment
  CAS-BOT-BC160901  Camissonia tanacetifolia subsp. tanacetifolia W. R. Ernst 1958-8-8 283 Siskiyou Grass Lake area, about 32 miles south of Oregon State line on Highway 97 Comment
  RSA17747  Camissonia tanacetifolia subsp. tanacetifolia Elmer I. Applegate 1935-6-2 9285 Siskiyou Frenner s Ranch, old road to the Lava Beds, near National Monument. Comment
  UC479158  Campanula prenanthoides Marcus E. Jones, A. M. 1931-7-17 29061 Siskiyou Shasta City (Session's) Comment
  RSA758220  Campanula prenanthoides R. F. Thorne 1969-8-2 63327 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
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  SEINET10840321  Campanula prenanthoides Oettinger 1969-8-5 OETTINGER 1198 Siskiyou On southeast-facing slope along trail between Abbott's upper Cabin and English Lake, just above "Willow Springs" 1676 Comment
  CAS-BOT-BC266454  Campanula scabrella W. R. Dudley 1899-8-26 s.n. Siskiyou Slopes and top of Mount Eddy Comment
  SEINET10463374  Campanula scabrella Clifton 1978-7-26 CLIFTON 6421 Siskiyou NEAR DEADFALL, CHINA MT QUAD., IN CONIFER FOREST 2341 Comment
  SEINET10463382  Campanula scabrella Muth 1978-8-3 MUTH 7403 Siskiyou Near China Mountain, close to town of Callahan Tallus on W exposure 2604 Comment
  SEINET10872983  Campanula scouleri A. Arthur Heller 1914-8-25 Heller s.n. Siskiyou Deetz Station near Black Butte 1158 Comment
  SEINET10939052  Campanula scouleri Edwin B. Copel 1903-8-17 Copeland 3911 Siskiyou MT. EDDY 1311 Comment
  RSA211342  Campanula wilkinsiana William J. Ferlatte 1967-8-22 1099 Siskiyou Head of Kidd Creek. 2134 Comment
  SEINET10972123  Campanula wilkinsiana Cooke 1947-8-15 COOKE 17804 Siskiyou Common along lower Panther Creek below the meadow, Mount Shasta 2134 Comment
  CAS-BOT-BC37231  Cardamine bellidifolia Reed Rollins 1938-7-21 11306 Siskiyou Mount Shasta. Between Horse Camp and Panther Creek 2743 Comment
  CAS-BOT-BC37749  Cardamine californica John Thomas Howell 1939-8-9 15241 Siskiyou Marble Mountains. Shackleford Creek Trail. Comment
  POM95843  Cardamine californica var. integrifolia Geo. D. Butler 1910-6-4 1487 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC37797  Cardamine nuttallii Ira L. Wiggins 1950-5-28 12375 Siskiyou On ridge between Carmen Lake and headwaters of Grouse Creek. 1798 Comment
  CAS-BOT-BC37849  Cardamine oligosperma Lewis S. Rose 1945-6-18 45109 Siskiyou Horse Creek and Klamath River. 502 Comment
  JEPS80501  Carex Gilbert Muth 1966-7-8 357 Siskiyou Marble Valley Marble Mt. Wilderness Area, Marble Valley 1792 Comment
  CAS-BOT-BC19761  Carex abrupta John Thomas Howell 1939-8-5 15066 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC17861  Carex amplifolia J. H. Thomas 1954-5-14 4181 Siskiyou Trinity National Forest. Salmon Mountains. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. 1219 Comment
  SEINET7273505 Image available Carex amplifolia A. A. Heller 1905-6-5 7982 Siskiyou Between Shasta Retreat and Shasta Springs Comment
  SEINET11309953 Image available Carex atherodes Unknown 2009-1 24601 Siskiyou North side of Route 97, 0.4 road miles ENE of Grass Lake Rest Area, Cascade Range Highlands (CaRH). Comment
  UCR228240  Carex atherodes Peter F. Zika 2010-7-21 25197 Siskiyou Cascade Range Highlands, Grass Lake, on north side of Route 97, 0.4 road miles east northeast of Grass Lake Rest Area 1540 Comment
  HSC41067  Carex bolanderi J. O. Sawyer 1969-6-27 866 Siskiyou Ridge between Duck Lake Creek & French Creek along FS 41N14 1280 Comment
  CAS-BOT-BC19656  Carex brainerdii John Thomas Howell 1939-8-6 15099 Siskiyou Marble Mountains. Elk Mountain. Comment
  JEPS116609  Carex brainerdii Julie Kierstead 1997-5-13 97009 Siskiyou Mt. Shasta Rnger District. Parks Creek Road 1 mile above junction with 42N19, 6 miles west of Weed. 1463 Comment
  POM79942  Carex breweri E. B. Copeland 1903-7-16 2168 Siskiyou Mt. Shasta. 3171 Comment
  RSA233665  Carex breweri Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38982 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  CHSC62795  Carex buxbaumii L. P. Janeway 1993-8-30 4563 Siskiyou West side of Cedar Lake; head of South Fork Sacramento River. 1741 Comment
  SEINET7554959 Image available Carex concinnoides Barbara Wilson 1994-5-27 6920 Siskiyou Rogue River National Forest, low on the New London, between the first and second acute corners, near the trailhead, between Road 1050 (Elliott Creek Road) and the creek. Comment
  CHSC96446  Carex echinata subsp. echinata Gordon Leppig; Jennifer Kalt 1996-7-9 367 Siskiyou Klamath National Forest. Russian Wilderness, Little Duck Lake Fen. In cirque west of Little Duck Lake. UTM Zone 10 NAD 1927, 503813E, 4572466N. 2200 Comment
  HSC82373  Carex echinata subsp. echinata Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4526 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  CAS-BOT-BC19873  Carex echinata subsp. echinata J. D. Jokerst 1983-7-5 1822 Siskiyou Ca. 15 air miles east of McCloud. Atkin's Meadow - at its northeast corner near the adjacent Lodgepole Pine Forest. Comment
  CAS-BOT-BC19900  Carex echinata subsp. phyllomanica David D. Keck 1949-7-20 6361 Siskiyou Scott Mountain Summit. At Trinity County line. 1633 Comment
  HSC37425  Carex fissuricola J. O. Sawyer 1969-8-5 1751 Siskiyou W of Little Duck Lake 2073 Comment
  UCD77468  Carex fracta Robert E. Preston 2003-7-29 2167 Siskiyou Rainbow Mountain 1785 Comment
  JEPS125858  Carex geyeri Dean W. Taylor 1996-6-28 15749 Siskiyou Antelope Mountain, about 8 air miles S of Yreka Comment
  SEINET10505790  Carex gymnoclada Katherine L. Morris 1973-6-2 Morris 346 Siskiyou Found at the jct. Of shasta and kalmath rivers on hwy. 263 Comment
  JEPS25940  Carex halliana B. C. Goldsmith 1916-9-29 29 a Siskiyou Medicine Lake Comment
  SEINET7485275 Image available Carex hassei Peter F. Zika 2009-1 24535 Siskiyou near Pacific Crest Trail, Route 3, Scott Mountain Summit 1640 Comment
  CAS-BOT-BC22294  Carex hassei William Bridge Cooke 1940-6-8 15116 Siskiyou Mount Shasta City. 1082 Comment
  UCD140450  Carex hoodii Wm. E. Moon 1958-5-29 s.n. Siskiyou State Hwy. 97, southwest of Hebron Summit. 1524 Comment
  CAS-BOT-BC7659  Carex integra John Thomas Howell 1939-8-3 15002 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  HSC59014  Carex integra Marvin Butler 1971-7-7 40 Siskiyou Near Porcupine Meadow, close to the town of Cave Junction 2073 Comment
  HSC103665  Carex integra Thomas W. Nelson, Jane Nelson 1984-7-28 7700 Siskiyou Along west side of Gumboot Lake 1860 Comment
  HSC61817  Carex interior Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC35477  Carex jonesii T. C. Fuller 1962-6-13 8982 Siskiyou meadow of Toad Well, road to Medicine Lake, ca. 12 mi. N of Bartle Comment
  CAS-BOT-BC35521  Carex jonesii William J. Ferlatte 1967-6-27 531 Siskiyou Big Flat, between campground and S. Fork of the Salmon River 1524 Comment
  RSA783707  Carex klamathensis Barbara L. Wilson, Richard E. Brainerd 2010-8-10 16313 Siskiyou Klamath National Forest: along road 41N03, 1.5 mi from road 2H001. 1591 Comment
  CAS-BOT-BC7577  Carex laeviculmis L. P. Janeway 1982-8-15 144 Siskiyou Below Echo Lake 1645 Comment
  RSA237326  Carex laeviculmis Frederick W. Oettinger 1969-8-19 1458 Siskiyou Abbott s Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 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
  POM81782  Carex lenticularis var. impressa Geo D. Butler 1910-7-6 1646 Siskiyou Shackleford Creek. 915 Comment
  CHSC61905  Carex limosa L. P. Janeway 1993-8-30 4565 Siskiyou West side of Cedar Lake; head of South Fork Sacramento River. 1741 Comment
  HSC91401  Carex luzulina Jennifer Whipple 1977-8-5 2167 Siskiyou Mt. Eddy, Wagon Creek drainage near Wagon Creek 2287 Comment
  SEINET7566385 Image available Carex luzulina L. P. Janeway 2003-8-9 7956 Siskiyou Kangaroo Mtn 7.5' quad. Klamath Ranges, Siskiyou Mountains, west side of Echo Lake, between Cook and Green Pass and Red Butte. 1665 Comment
  CHSC40197  Carex microptera L. P. Janeway 1983-8-6 490 Siskiyou At Poker Flat, a meadow in a fir forest. 1524 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
  CAS-BOT-BC32007  Carex multicaulis A. A. Heller 1922-7-3 13675 Siskiyou On dry gravelly slopes along Wagon creek in the Canadian zone. 2225 Comment
  CAS-BOT-BC32009  Carex multicaulis L. S. Smith 1924-8-20 1512 Siskiyou Round Mt. below road near top. Modoc National Forest 1524 Comment
  HSC37147  Carex multicaulis J. O. Sawyer 1969-6-11 822 Siskiyou Near C.C.C. road, in Horse Range Creek drainage 1360 Comment
  CAS-BOT-BC23421  Carex multicostata John Thomas Howell 1937-7-22 13254 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CHSC88399  Carex nebrascensis Jenny Marr 1993-7-1 158 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS113332  Carex nervina L. P. Janeway 2006-7-3 8755 Siskiyou Klamath Ranges. Salmon Mountains; Music Creek Trailhead near upper Music Creek. Comment
  CAS-BOT-BC119643  Carex nigricans William Bridge Cooke 1938-7-18 11484 Siskiyou Springs, Mt. Shasta. 2499 Comment
  RSA237298  Carex nigricans Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1261 Siskiyou West of Tom s lower pond. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  CAS-BOT-BC119474  Carex nudata L. B. Kildale 1930-5-31 9808 Siskiyou Island in Klamath River near Hornbrook. Comment
  CHSC69840  Carex nudata Lawrence Janeway 1982-8-14 131 Siskiyou Along n shore of Klamath R. 426 Comment
  CAS-BOT-BC119480  Carex nudata Alice Eastwood 1923-5-27 11947 Siskiyou Shasta Springs. Comment
  SEINET7569430 Image available Carex nudata John Thomas Howell, T. C. Fuller, G. D. Barbe 1980-5-20 53559 Siskiyou East Fork Scott River 2 miles east of Callahan on road to Gazelle. 1006 Comment
  CAS-BOT-BC119204  Carex pachystachya Doris K. Kildale 1929-7-20 8694 Siskiyou Raspberry Lake, South Fork of Indian Creek. 1828 Comment
  JEPS107830  Carex praegracilis Lowell Ahart, John Dittes 2005-6-10 12108 Siskiyou 30 yards east of the Shasta River, about 60 yards yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada Comment
  CAS-BOT-BC118775  Carex preslii John Thomas Howell 1937-7-26 13532 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC118777  Carex preslii John Thomas Howell 1939-8-2 14907 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC118782  Carex preslii A. H. Murphy 1953-7-28 KNF 1 Siskiyou Deadmans Peak, Klamath N. F. 1828 Comment
  CAS-BOT-BC118795  Carex preslii William Bridge Cooke 1939-7-13 13636 Siskiyou Bottom of Horse Camp Creek. 2438 Comment
  POM81204  Carex preslii Geo D. Butler 1909-6-13 806 Siskiyou Orr Hins? Comment
  SDSU11712  Carex raynoldsii D. F. Howe 1964-8-4 3931 Siskiyou Meadow, Medicine Lake, Modoc National Forest. 2012 Comment
  CHSC102562  Carex rossii L. P. Janeway 2009-8-3 9891 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 2.4 air km southwest of Brewer Creek Trailhead; about 20 m south of Brewer Creek. 2637 Comment
  HSC85841  Carex rostrata L. P. Janeway 1983-8-16 551 Siskiyou Poker Flat 1524 Comment
  HSC91375  Carex rostrata Jennifer Whipple 1977-8-6 2244 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC39280  Carex scopulorum J. O. Sawyer 1969-7-25 1562 Siskiyou Above High Lake 2104 Comment
  RSA238970  Carex scopulorum Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1262 Siskiyou West of Tom s Lake lower hole. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  JEPS84063  Carex scopulorum var. bracteosa L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6435 Siskiyou ca. 5 mi n town of Seiad Valley (cirque at head of Hell's Canyon, e slope of Kangaroo Mountain); Kangaroo Mountain, Hell's Canyon 1828 Comment
  POM81963  Carex simulata Geo D. Butler 1910-6-5 1475 Siskiyou Shackleford Creek Comment
  HSC2415  Carex spectabilis William J. Ferlatte 1966-8-5 344 Siskiyou Caribou Mtn. 2470 Comment
  HSC39288  Carex spectabilis J. O. Sawyer 1969-8-4 1817 Siskiyou Above Sugar Lake 2134 Comment
  JEPS40877  Carex spectabilis Paul C. Hutchison 1962-8-2 931 Siskiyou between Panther Meadow and top of ski lift; Mt. Shasta 2743 Comment
  RSA238959  Carex spectabilis Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1178 Siskiyou Wet meadow between Tobacco Lake and Mud Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC117359  Carex stipata var. stipata A. A. Heller 1925-7-13 13897 Siskiyou Swampy place at the State College grounds near the town of Mt. Shasta. Comment
  CHSC99590  Carex straminiformis L. P. Janeway 2008-7-25 9502 Siskiyou Klamath Ranges. Siskiyou Mountains; 3.2 air km southwest of Cook and Green Pass, 0.4 km southeast of Red Butte. 1737 Comment
  CAS-BOT-BC115852  Carex subfusca William Bridge Cooke 1940-8-8 15540 Siskiyou Along the upper Squaw Valley Creek in a meadow-like area fed by springs. 1737 Comment
  SEINET10748601  Carex vesicaria A. Arthur Heller 1922-7-15 Heller 13711 Siskiyou Plentiful in a moist meadow at Medicine Lake. Canadian. 2134 Comment
  SEINET10748613  Carex vesicaria A. Arthur Heller 1940-7-24 Heller 15763 Siskiyou Wet ground, edge of Castle Lake. Transition Life Zone. Comment
  UC2046025  Carex viridula var. viridula Barbara L. Wilson with Mary Vance 2004-7-16 11055 Siskiyou Approximately one mile by road north of Crater Creek, in the headwaters of an unnamed tributary of Mountain House Creek, in the Klamath National Forest. Comment
  CHSC82856  Carex whitneyi L. P. Janeway 2002-7-13 7635 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. Drainage below road. 2067 Comment
  HSC65415  Cassiope mertensiana subsp. ciliolata Rich White 1978-7-3 216 Siskiyou Saddle in Spur Ridge between Dillon Trail and 5759 1662 Comment
  JEPS74435  Cassiope mertensiana subsp. ciliolata W. J. Ferlatte 1966-8-5 351 Siskiyou Caribou Mtn. 2468 Comment
  RSA237251  Cassiope mertensiana subsp. ciliolata Frederick W. Oettinger 1967-7-8 163 Siskiyou Near Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  UC142949  Cassiope mertensiana subsp. ciliolata Dr. E. B. Copeland 1903-8-18 3898 Siskiyou Mt. Eddy 2590 Comment
  HSC58882  Castilleja applegatei Marvin Butler 1971-7-13 121 Siskiyou Near Copper Camp, close to the town of Cave Junction 1464 Comment
  HSC20506  Castilleja applegatei D. M. Thomson 1965-8-7 173 Siskiyou Lava Beds National Monument, by Juniper Cave on Cave Loop Rd. Comment
  SEINET9299579  Castilleja applegatei Unknown 2009-5-31 Siskiyou High elevation, semi-arid desert ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  HSC91220  Castilleja applegatei subsp. pinetorum Jennifer Whipple 1976-6-12 978 Siskiyou SE slope of Mt. Eddy draining into the N Fork of the Sacramento River 2195 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
  UC1034030  Castilleja applegatei subsp. pinetorum Francis W. Pennell Jul 18 1940-Jul 19 1940 26185 Siskiyou 2-3 mi n Mount Shasta City (Route 99) 1158 Comment
  UC1063039  Castilleja applegatei subsp. pinetorum M. H. Mitchell 1936-4-21 Siskiyou Heppe Chimney; Modoc Lava Beds National Monument, Dorris Quad. 1478 Comment
  UC885411  Castilleja applegatei subsp. pinetorum A. A. Heller 1916-6-20 12398 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 Comment
  JEPS3870  Castilleja arachnoidea W. L. Jepson 1940-6-27 20034 Siskiyou e slope Mt. Shasta 1828 Comment
  SDSU10561  Castilleja arachnoidea D. F. Howe 1962-8-6 3408 Siskiyou Mount Shasta, Shasta National Forest. 2438 Comment
  HSC91236  Castilleja arachnoidea Jennifer Whipple 1976-6-19 1054 Siskiyou Mt. Eddy, near Dobkins Lake 2073 Comment
  CAS-BOT-BC32639  Castilleja excelsa John Thomas Howell 1939-8-4 15058 Siskiyou Near Spirit Lake, Marble Mts. 1828 Comment
  RSA104156  Castilleja linariifolia Elmer I. Applegate 1923-8-17 3829 Siskiyou Laird's Ranch, south end of Lower Klamath Lake. Comment
  CAS-BOT-BC253611  Castilleja miniata H. A. Thomas; J. H. Thomas 1954-7-25 4520 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  JEPS84014  Castilleja miniata L. R. Heckard with J. Hickman et al. 1986-7-17 6509 Siskiyou n slope Condrey Mt. 1960 Comment
  UC1190141  Castilleja miniata Ira L. Wiggins 1955-7-27 13555 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area 2042 Comment
  UC1552689  Castilleja miniata Steve Morgan 1987-7-28 Siskiyou 5 mi nw McCloud (McGinnis Springs, s of Mt. Shasta); Shasta-Trinity National Forest, McGinnis Springs 1767 Comment
  CAS-BOT-BC254025  Castilleja miniata G. Muth 1965-7-29 s.n. Siskiyou Meadow below marble rim Comment
  HSC72442  Castilleja pruinosa J. P. Smith, Steve Selva 1970-7-15 4363 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  HSC72470  Castilleja pruinosa J. P. Smith 1973-5-5 6448 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  SFV8660  Castilleja pruinosa J. M. Tucker, L. K. Mann, S. L. Holloway 1963-8-18 3752 Siskiyou Marble Mountain Wilderness Area. Southwestern ridge of Black Mountain. Southeast facing slope on decomposed marble scree. 2134 Comment
  UC1037203  Castilleja pruinosa Leo Whitney 1934-6-17 1552 Siskiyou canyon side Mt. Shasta 2590 Comment
  UC164434  Castilleja pruinosa Geo. D. Butler 1909-5-30 757 Siskiyou Humbug Mountain Comment
  HSC76868  Castilleja pruinosa K. T. Stillman 1976-9-9 469 Siskiyou Marble Mountain Wilderness Area, Marble Valley Guard Station. 1738 Comment
  POM42532  Castilleja pruinosa Geo. D. Butler 1910-6-7 1529 Siskiyou Greenhorn Mountain. Comment
  CAS-BOT-BC48653  Ceanothus cordulatus Alice Eastwood 1923-5-23 11908 Siskiyou Cantara Comment
  CAS-BOT-BC48654  Ceanothus cordulatus Alice Eastwood 1912-7-20 s.n. Siskiyou Sisson Comment
  CHSC1498  Ceanothus cordulatus V. Keeler 1935-5-9 Siskiyou Near Mt. Shasta City. 1097 Comment
  CAS-BOT-BC48391  Ceanothus cuneatus Elmer I. Applegate 1898-5-15 2134 Siskiyou Klamath River, between Shovel Creek and Fall Creek 853 Comment
  HSC36764  Ceanothus cuneatus J. P. Smith 1974-5-25 7398 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC59640  Ceanothus cuneatus J. P. Smith 1973-5-5 6524 Siskiyou Scott Bar along the Scott River Comment
  UC375370  Ceanothus cuneatus var. cuneatus Geo. D. Butler 1909-5-30 667 Siskiyou near Yreka Comment
  CAS-BOT-BC50245  Ceanothus integerrimus W. B. C. 1940-6-6 15030 Siskiyou along the Castle Lake road in the brush fields about half way from the Box Canyon to the lake 1371 Comment
  CAS-BOT-BC53080  Ceanothus prostratus Elmer I. Applegate 1935-6-11 9510 Siskiyou Upper Ice Cave area, Lava Beds National Monument Comment
  CAS-BOT-BC53087  Ceanothus prostratus W. R. Dudley 1899-8-9 s.n. Siskiyou Near Sisson Comment
  CAS-BOT-BC53089  Ceanothus prostratus L. B. Kildale 1930-6-1 9821 Siskiyou Etna Mills Comment
  CAS-BOT-BC53093  Ceanothus prostratus Roxana S. Ferris; Laura Lorraine 1948-6-12 11737 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  CAS-BOT-BC53094  Ceanothus prostratus Roxana S. Ferris; Laura Lorraine 1948-6-12 11813 Siskiyou At Mule Creek crossing of Scott Mountain Road 1524 Comment
  CAS-BOT-BC53100  Ceanothus prostratus Doris K. Kildale; J. W. Gillespie 1929-6-22 8037 Siskiyou Mt. Shasta - Black Butte Comment
  JEPS19762  Ceanothus prostratus Rimo Bacigalupi with S. Galen Smith 1957-6-26 5958 Siskiyou 3.5 mi below (ne) Gumboot Lake (Canyon of South Fork Sacramento River) 1402 Comment
  JEPS19771  Ceanothus prostratus Rimo Bacigalupi with S. Galen Smith 1957-6-26 5957 Siskiyou e shore of Gumboot Lake, head of South Fork Sacramento River, close to Trinity Co. line 1859 Comment
  POM85998  Ceanothus prostratus Geo. D. Butler 1910-6-4 1501 Siskiyou Quartz Valley. Comment
  SEINET12210763  Ceanothus sanguineus R. Gankin, Hildreth, R. 1967-1 1182 Siskiyou 2.6 road mi from Lafayette Point on USFS road 39N04 off Black Bear Road between Sawyers Bar and 1707 Comment
  RSA238028  Ceanothus velutinus Frederick W. Oettinger 1967-8-26 323 Siskiyou English Peak near the summit and covering a small solid area. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  SD98973  Ceanothus velutinus D. F. Howe 1977-7-5 Siskiyou Area north of Mt. Shasta 1463 Comment
  UC1299549  Ceanothus velutinus Freed W. Hoffman 1950-7-14 3257 Siskiyou Trail from Baldy Mountain to Clear Lake. Comment
  CAS-BOT-BC52850  Ceanothus velutinus var. velutinus G. P. Rixford s.n. Siskiyou South side of Shaft-Rock Mt. - Hilt Comment
  CHSC3220  Centaurea cyanus Gerry Carrauthers 1966-5-14 165 Siskiyou 4 mi. N.W. of Callahan. Comment
  CDA7211  Centaurea diffusa T. C. Fuller 1967-8-15 16262 Siskiyou Butte Valley; Butte Valley. West side of Highway 97 to Weed, 3 miles south of Macdoel. 0 Comment
  CHSC114370  Centaurea solstitialis Steve Orloff 2011-9-1 Siskiyou From a property along the Klamath River. Comment
  SBBG15939  Centromadia fitchii D. Myrick 1961-6-21 295 Siskiyou hwy 99 just S of Yreka 914 Comment
  UCD138896  Cephalanthera austiniae John M. Tucker; D. V. Hemphill 1974-7-28 4333 Siskiyou 1.25 mile south of Haypress Meadows, beside trail to Camp 4, Marble Mountain Wilderness Area. 1463 Comment
  CAS-BOT-BC388165  Cerastium fontanum Henry M. Pollard 1947-8-22 s.n. Siskiyou Fontana's Fishing Lodge north of Somes Bar Comment
  UC585107  Cercocarpus betuloides var. betuloides E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1922 Siskiyou about 7 mi sw of Yreka (s of hwy from Yreka to Fort Jones); Forest House Mountain 1371 Comment
  UC163898  Chaenactis douglasii var. douglasii Geo. D. Butler 1910-6-17 1573 Siskiyou Humbug Mountain 1219 Comment
  UC904784  Chaenactis douglasii var. douglasii unknown 1949-8-26 25679 Siskiyou above Bolam Station; Mount Shasta 2133 Comment
  UC229957  Chaenactis suffrutescens H. E. Brown Jun 11 1897-Jun 16 1897 411 Siskiyou n side Mt. Shasta 1524 Comment
  HSC18589  Chamaebatiaria millefolium R. C. Wunner 1965-7-9 355 Siskiyou California Lava Beds National Monument; 60 yds. from Black Crater Trail jct. on trail to Hardin Butte Trail 1341 Comment
  RSA714931  Chamaebatiaria millefolium M. E. Fishbein, Lane Greer 2006-8-3 5872 Siskiyou Along Forest Service road 49, 7 miles SSW of Medicine Lake, 0.4miles NE of Snag Hill. 1585 Comment
  HSC69036  Chamaecyparis lawsoniana Maralyn A. Renner 1980-8-7 2366 Siskiyou Klamath National Forest, ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  HSC69058  Chamaecyparis lawsoniana Maralyn A. Renner 1980-8-6 2319 Siskiyou Cracker Meadow 1555 Comment
  RSA142662  Chamaecyparis nootkatensis Al Hobart 1961-7-13 5 Siskiyou Mt. Preston 2134 Comment
  RSA275401  Chamaecyparis nootkatensis J. O. Sawyer, E. Cope 1977-6-20 2963 Siskiyou Open rocks behind Devil s Punchbowl 1829 Comment
  JEPS9107  Chamaesaracha nana W. L. Jepson 1940-7-1 20087 Siskiyou 6 mi e McCloud (Fowlers Camp); McCloud River 975 Comment
  UCD126575  Chamaesaracha nana T. C. Fuller 1962-6-12 8967 Siskiyou east side of Davis Road to Medicine Lake, 0.2 mile south of road to Dorris, ca. 16 miles east of Macdoel. Comment
  CDA4788  Chamaesyce maculata L. C. Wheeler 1963-8-23 8266 Siskiyou Klamath River: Walker (near Oak Knoll). . 0 Comment
  UC1034062  Chamaesyce serpyllifolia W. Bridge Cooke 1941-9-5 16258 Siskiyou along Memorial Hwy; Mount Shasta 1371 Comment
  CHSC4544  Chamerion angustifolium subsp. circumvagum J. E. Bowlin 1967-7-18 55 Siskiyou On roadside, and ca. 9.5 mi w of Mount Shasta Ski Bowl. Comment
  CAS-BOT-BC68247  Cheilanthes gracillima L. B. Kildale 1930-6-1 9750 Siskiyou Black Bear Trail to Sawyers Bar Comment
  CAS-BOT-BC68240  Cheilanthes gracillima Louis C. Wheeler 1934-8-2 3021 Siskiyou Siskiyou Mts. - Head Jaynes Canyon - Mt. Dieablo Mer. 2072 Comment
  CAS-BOT-BC68249  Cheilanthes gracillima Geo. D. Butler 1908-8-5 237 Siskiyou Near Cold Spring West Fork of Woolly Creek Comment
  HSC92601  Cheilanthes gracillima Jennifer Whipple 1976-4-16 1011 Siskiyou Dale Cr. Drainage of the N face of Mt. Eddy 2195 Comment
  CHSC72234  Chenopodium album Vernon H. Oswald; Lowell Ahart 1998-9-16 9651 Siskiyou Tour Route at Lower Klamath NWR 3 mi south of Hwy 161. 1243 Comment
  UC851002  Chenopodium album A. A. Heller 1915-8-24 12212 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  HSC59894  Chenopodium chenopodioides R. & G. Pederson 1979-10-10 100 Siskiyou Lower Klamath National Wildlife Refuge, S unit 6 Comment
  RSA210847  Chenopodium salinum R. F. Thorne 1969-9-3 39030 Siskiyou Hwy 161 at N edge of White Lake, 13.5 miles E of junction of Hwy 97 and 161. 1280 Comment
  HSC69312  Chimaphila menziesii Maralyn A. Renner 1980-7-24 1969 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  HSC19321  Chimaphila umbellata J. O. Sawyer 1968-9-28 741 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  HSC96818  Chimaphila umbellata S. Lyon, J. McIntire 2006-6-25 22 Siskiyou On FS Rd. 39N35, 0.26 mi. SE of intersection with FS Rd. 39N27 1341 Comment
  UC21653  Chimaphila umbellata C. B. Bradley 1879-1 Siskiyou Comment
  CDA38837  Chimaphila umbellata subsp. occidentalis F. D. Horn 1979-7-22 s.n. Siskiyou Duck Lake Creek near Etna. 0 Comment
  CAS-BOT-BC36378  Chrysolepis chrysophylla Marion Ownbey; Fred G. Meyer 1940-7-7 2213 Siskiyou Cayenne Ridge, Marble Mountain Comment
  RSA82847  Chrysolepis chrysophylla R Tofsrud, J. Mark Porter 1948-8-3 1774 Siskiyou 6.7 miles (by road) below summit of Happy Camp - Waldo (Oregon) road. Comment
  HSC22114  Chrysolepis sempervirens J. O. Sawyer 1969-8-1 1669 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC26564  Chrysolepis sempervirens J. P. Smith, J. O. Sawyer 1972-8-20 5756 Siskiyou Slope of Mt. Hoffman 2134 Comment
  SBBG1291  Chrysolepis sempervirens H. and M. Dearing 1948-9-12 6736 Siskiyou Mt Shasta Comment
  UC455273  Chrysolepis sempervirens I. J. Condit 1909-8-23 Siskiyou near Sisson (Castle Lake); Castle Lake 2133 Comment
  POM296750  Chrysothamnus viscidiflorus subsp. viscidiflorus L. S. Rose 1941-8-28 41427 Siskiyou Dorris 1292 Comment
  CAS-BOT-BC520386  Cinna latifolia Dana York 2011-9-8 3082 Siskiyou Klamath National Forest, Marble Mountain Wildernesss, along PCT ca 650 m SE of Paradise Lake 1950 Comment
  RSA239135  Cinna latifolia Frederick W. Oettinger 1968-9-2 663 Siskiyou Southwest of Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  HSC29133  Circaea alpina subsp. pacifica Frederick W. Oettinger 1968-8-11 480 Siskiyou Marble Mtn. Wilderness Area, near Tom Tyler Cabin 2012 Comment
  CAS-BOT-BC285348  Cirsium andersonii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC285349  Cirsium andersonii L. S. Smith 1913-8-30 536 Siskiyou Mount Eddy Comment
  UC1584312  Cirsium andersonii Julie Kierstead 1990-7-18 90 -107 Siskiyou w of Gumboot Lake (on FS Rd. 40N26, Mt. Shasta R.D.); Mt. Shasta 1950 Comment
  CDA1183  Cirsium cymosum T. C. Fuller 1960-5-24 4342 Siskiyou 1.5 mi. E/ Yreka, N/ R.R. Comment
  CAS-BOT-BC278035  Cirsium cymosum John Thomas Howell 1952-6-14 28336 Siskiyou 2 miles from Yreka on Ft. Jones road 807 Comment
  CAS-BOT-BC278037  Cirsium cymosum John Thomas Howell 1952-6-14 28336 Siskiyou Near Yreka Comment
  CAS-BOT-BC278045  Cirsium cymosum John Thomas Howell 1952-6-15 28361 Siskiyou Just east of Montague Comment
  CAS-BOT-BC278047  Cirsium cymosum John Thomas Howell 1952-6-15 28361 Siskiyou Montague Comment
  CDA1184  Cirsium cymosum T. C. Fuller 1958-6-19 1830 Siskiyou South of road to Montague, 1.5 miles east of Yreka. 0 Comment
  CAS-BOT-BC278066  Cirsium douglasii var. breweri Grant 1902-9-10 5149 Siskiyou Sisson Comment
  CAS-BOT-BC279886  Cirsium douglasii var. breweri L. E. Smith 1914-7-6 754 Siskiyou Cantara Comment
  POM195504  Cirsium douglasii var. breweri A. A. Heller 1927-8-1 14437 Siskiyou Near Deetz, just north of Shasta City. Comment
  CAS-BOT-BC279883  Cirsium douglasii var. breweri John Thomas Howell 1952-6-14 28329 Siskiyou Mt. Shasta City Comment
  CAS-BOT-BC288015  Cirsium occidentale var. candidissimum L. R. Abrams 1922-8-6 9901 Siskiyou Klamath River 6 mi. below Hornbrook Comment
  CAS-BOT-BC288767  Cirsium remotifolium John Thomas Howell 1939-8-7 15112 Siskiyou Sky High Valley, Marble Mts 1828 Comment
  JEPS86288  Cirsium scariosum W. L. Jepson 1940-7-3 20111 Siskiyou about 5 mi se Bartle; Big Bear Flat 1219 Comment
  POM33210  Cirsium scariosum Geo. D. Butler 1910-6-6 1459 Siskiyou Quartz Valley Comment
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Nov 25 2011
  CDA1588  Cirsium scariosum var. robustum Bill Huse 1954-7-22 s.n. Siskiyou 0 Comment
  CAS-BOT-BC228964  Cistanthe umbellata Wm. Bridge Cooke 1938-8-18 11507 Siskiyou Mount Shasta. Horse Camp slopes Comment
  CAS-BOT-BC163461  Clarkia purpurea subsp. quadrivulnera Lewis S. Rose 1945-6-18 45094 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC163460  Clarkia purpurea subsp. quadrivulnera Rodney Gregg 1948-6-15 s.n. Siskiyou Near reservoir, Yreka Comment
  HSC64526  Clarkia rhomboidea J. P. Smith, Steve Selva 1970-6-14 3863 Siskiyou Comment
  HSC76980  Claytonia cordifolia K. T. Stillman 1976-6-25 72 Siskiyou Marble Mtn. Wilderness Area 1799 Comment
  UC165441  Claytonia parviflora subsp. parviflora Geo. D. Butler 1910-5-8 1305 Siskiyou near Yreka Comment
  CAS-BOT-BC443820  Claytonia rubra subsp. rubra A. A. Heller 1919-6-27 13277 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC443821  Claytonia rubra subsp. rubra A. A. Heller 1919-6-30 13286 Siskiyou Near Durney's mill, north base of Mt. Eddy Comment
  SEINET198900  Claytonia saxosa D. Parker 1947-3-30 Siskiyou Hartstrand Gulch E side of Scott Valley 866 Comment
  HSC4885  Claytonia sibirica J. O. Sawyer 1968-6-18 243 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  RSA238294  Claytonia sibirica Frederick W. Oettinger 1968-8-14 509 Siskiyou Meadow at spring at Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  JEPS82734  Clintonia uniflora Wayne Roderick 1983-7-10 Siskiyou Doe Flat, near Del Norte County boundary Doe Flat 1143 Comment
  UC338808  Clintonia uniflora unknown 1444 Siskiyou near Shasta; California Comment
  CAS-BOT-BC500955  Clintonia uniflora Gilbert Muth 1966-7-17 401 Siskiyou Trail to lookout, Marble Mountains 1805 Comment
  CAS-BOT-BC500957  Clintonia uniflora L. E. Smith 1913-9-1 s.n. Siskiyou Mount Eddy Comment
  JEPS31008  Collinsia linearis D. E. Breedlove 1962-6-10 3305 Siskiyou 11.7 mi nw Happy Camp (along Indian Creek Rd); Siskiyou Mtns 594 Comment
  JEPS19689  Collinsia rattanii Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5961 Siskiyou immed. s Mt. Eddy (along very poor mtn rd to Gumboot Lake, canyon of South Fork Sacramento River, at its source); South Fork Sacramento River 1432 Comment
  POM43373  Collinsia rattanii Geo. D. Butler 1910-4-16 1188 Siskiyou Klamath River. Comment
  SEINET13406273  Collinsia rattanii G. D. Butler 1910-5-1 1262 Siskiyou Humbug Mountain. 1219 Comment
  SJSU6065  Collinsia rattanii R. W. Trivelpiece 1971-7-8 23 Siskiyou c. 2.5 mi S of Cecilville near Cecil Point Lookout, Salmon R Mts 822 Comment
  HSC25480  Collinsia torreyi J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5721 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  RSA412244  Collinsia torreyi Christopher Davidson 1975-6-5 2671 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
  HSC78395  Collomia grandiflora L. P. Janeway 1983-9-23 690 Siskiyou At Poker Flat 1524 Comment
  RSA12605  Collomia grandiflora C. B. Wolf 1934-7-6 5980 Siskiyou 1/4 mi. east of Mt. Shasta City. S.W. slope of Mt. Shasta. Comment
  UC922456  Collomia grandiflora Annie M. Alexander and Louise Kellogg 1949-7-23 5853 Siskiyou Paradise Lake Marble Mountains 1920 Comment
  UC933390  Collomia grandiflora Annie M. Alexander and Louise Kellogg 1948-9-7 5590 Siskiyou at fork of road from Cecilville to First Lookout; Black Bear Summit 1524 Comment
  RSA50221  Collomia grandiflora E. K. Balls 1949-7-9 13928 Siskiyou 4.3 miles from Etna on road to Sawyer's Bar Comment
  HSC78207  Collomia tinctoria L. P. Janeway 1983-8-6 495 Siskiyou Poker Flat. W part of lower portion of meadow. 1529 Comment
  UC726802  Collomia tinctoria A. A. Heller 1916-6-20 12404 Siskiyou ne base of mountain Mt. Eddy, Metcalf's Ranch 1188 Comment
  UCD77564  Collomia tinctoria Robert E. Preston 2001-7-21 1733 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, Rainbow Mountain. 2158 Comment
  JEPS46198  Collomia tracyi Duncan Dunning 1923-6-12 Siskiyou Sawyers Bar Comment
  CAS-BOT-BC180421  Comandra umbellata subsp. californica A. A. Heller 1905-6-1 7937 Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  JEPS93956  Conium maculatum Vernon H. Oswald and Lowell Ahart 1998-9-16 9644 Siskiyou 8.7 mi e of Highway 97 (Vista Point on Highway 161 adjacent to marsh at the Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge, Vista Point 1243 Comment
  JEPS41828  Conyza canadensis Geo. D. Butler 1908-8-21 323 Siskiyou Etna Creek 1158 Comment
  RSA758224  Corallorhiza maculata Robert F. Thorne 1969-8-2 63322 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  UCD13229  Corallorhiza maculata Clyde byfield 1973-6-28 S 218 Siskiyou Klamath National Forest, beside Kidder Creek Trail, U.S.F.S. trail 11W23. 4 miles west of end of Kidder Creek Road. 1524 Comment
  RSA237634  Corallorhiza mertensiana Frederick W. Oettinger 1967-7-30 222 Siskiyou Near the campsite at the N end of Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 1723 Comment
  HSC491  Corallorhiza striata William J. Ferlatte 1967-6-29 580 Siskiyou Big Flat, near public camp 1524 Comment
  NY68298  Cordylanthus pallescens F. W. Pennell 1940-7-18 26184 Siskiyou Route 99. 2-3 miles N of Mount Shasta City. 1158.2 Comment
  UC1607574  Cordylanthus tenuis Barbara Ertter 1990-7-14 9348 Siskiyou Wagon Creek on E side of Mt Eddy, ca 4 airmiles W. of Mt Shasta City 1767 Comment
  UCD123142  Cordylanthus tenuis subsp. pallescens Barbara L. Wilson; Richard E. Brainerd 2010-8-9 16280 Siskiyou road to trailhead for Black Butte trail. 1353 Comment
  JEPS74930  Cordylanthus tenuis subsp. viscidus T. I. and F. M. Chuang 1975-7-21 7545 Siskiyou s side Dunsmuir 762 Comment
  RSA516621  Cordylanthus tenuis subsp. viscidus R. C. Bacigalupi, G. Thomas Robbins, C. L. Custer 1954-8-12 4792 Siskiyou Along highway following the Klamath River, 0.5 mile west of Hamburg. 457 Comment
  UC1280736  Cornus glabrata H. E. McMinn 1931-6-26 2511 Siskiyou near Dunsmuir Comment
  CAS-BOT-BC212058  Cornus nuttallii Doris K. Kildale 1929-8-24 9064 Siskiyou Trail to Preston Peak between Young's Valley and Rattlesnake Meadow 1524 Comment
  CAS-BOT-BC212059  Cornus nuttallii Doris K. Kildale 1928-8-18 6417 Siskiyou North Fork Salmon river at Finley Camp Comment
  CAS-BOT-BC210392  Cornus sericea Doris K. Kildale 1928-8-18 6424 Siskiyou North Fork Salmon River at Finley Camp Comment
  CHSC71574  Cornus sericea subsp. sericea Vernon H. Oswald; Lowell Ahart 1998-8-3 9457 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 2.6 mi southeast of Gazelle-Callahan Rd. Along a streamlet on the upstream side of a culvert. 1426 Comment
  UC21542  Cornus sericea subsp. sericea C. B. Bradley 1897-1 Siskiyou Comment
  HSC33340  Cornus sericea subsp. sericea William J. Ferlatte 1974-7-15 1541 Siskiyou Yellow Rose Mine Trail. 1707 Comment
  RSA184703  Cornus stolonifera Gilbert Muth 1966-6-24 444 Siskiyou Marble Valley along creek, Marble Mountains. 1793 Comment
  RSA8556  Cornus stolonifera Elmer I. Applegate 1923-9-7 3947 Siskiyou Doggett Creek, Klamath River. Comment
  RSA269285  Coronilla varia T. C. Fuller, G. D. Barbe 1972-6-13 943 Siskiyou Siskiyou Avenue exit from I-5 north of Dunsmuir; driveway to Dunsmuir Elementary School. Comment
  SEINET6892684  Corylus cornuta var. californica M. K. Solecki, J. B. Taft 1986-9-13 2157 Siskiyou Near the Marble Mountain Wilderness; along Canyon Creek Trail above Canyon Creek. Comment
  HSC25045  Crataegus douglasii J. O. Sawyer 1972-9-25 2470 Siskiyou Doe Flat E of Bear Basin Butte Comment
  CHSC3228  Crataegus suksdorfii Virginia Hagaman 1966-5-14 182 Siskiyou 2 miles west of bridge before reaching old Oregon State road. Comment
  CAS-BOT-BC290476  Crepis acuminata John Thomas Howell 1937-7-22 13331 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CHSC93526  Crepis bakeri Lowell Ahart; John Dittes 2005-6-9 12028 Siskiyou Hill, south of a rock fence, about 100 yards northeast of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  CAS-BOT-BC299654  Crepis monticola E. B. Babcock; G. L. Stebbins, Jr. 1936-6-11 1930 Siskiyou About 8 mi. south of Yreka 822 Comment
  JEPS57182  Crepis occidentalis L. R. Heckard 1967-8-13 1693 Siskiyou Mt. Eddy; near summit, s-facing slope 2712 Comment
  SEINET11835673  Crepis occidentalis H. P. Chandler 1901-1 1644 Siskiyou North Coast Ranges, Marble Mountain Comment
  CAS-BOT-BC376487  Crepis occidentalis subsp. conjuncta Annie M. Alexander; Louise Kellogg 1949-7-22 5850 Siskiyou Paradise Lake, Marble Mountains 2072 Comment
  CAS-BOT-BC290836  Crepis occidentalis subsp. pumila Alice Eastwood 1912-7-17 1188 Siskiyou Sisson Comment
  CAS-BOT-BC290843  Crepis occidentalis subsp. pumila A. M. Vollmer; L. Beane 1951-5-31 28 Siskiyou Scott Mountain Comment
  SDSU3854  Crepis pleurocarpa D. F. Howe 1962-8-4 3392 Siskiyou Near summit of Baldy Mt. Comment
  UC922328  Crepis pleurocarpa Annie M. Alexander and Louise Kellogg 1949-7-29 5890 Siskiyou top of ridge above Sky High Lake; Marble Mountains, Sky High Valley 1920 Comment
  CAS-BOT-BC290865  Crepis pleurocarpa David D. Keck 1938-8-6 4812 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., 4 mi. S. of Oregon line, on road from Waldo to Happy Camp 1555 Comment
  CAS-BOT-BC290867  Crepis pleurocarpa G. L. Stebbins, Jr.; J. A. Jenkins 1937-7-19 2438 Siskiyou On Park's Creek 1 mi. below Stewarts Springs 1120 Comment
  RSA13766  Crepis pleurocarpa L. C. Wheeler 1934-8-16 3168 Siskiyou Siskiyou Mountains: 2 mi. east of White Mt. 1921 Comment
  UC895344  Crepis pleurocarpa L. E. Smith 1913-7-12 474 Siskiyou Sulloway Creek Comment
  POM356384  Crocidium multicaule L. C. Wheeler 1935-5-5 3463 Siskiyou Greenhorn Creek. Siskiyou Mtns. (Mt Diablo Mer.) 854 Comment
  UC1540244  Cryptantha affinis Dean W. Taylor 1987-6-26 9074 Siskiyou 2 mi se Medicine Lake; Paynes Springs 1996 Comment
  HSC696  Cryptantha affinis William J. Ferlatte 1967-8-23 1107 Siskiyou Kidd Creek Trail 1951 Comment
  CDA40516  Cryptantha flaccida L. Ahart, John Dittes 2005-6-9 12022 Siskiyou About 350 yards east of where cattle water in the Shasta River, about 3/5 mil (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. Comment
  JEPS107419  Cryptantha flaccida Lowell Ahart, John Dittes 2005-6-9 12022 Siskiyou Pasture field, on the east side of a poor rock fence, about 350 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
  JEPS105004  Cryptantha intermedia Dean W. Taylor 1995-6-4 14968 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. 10 miles North of Weed) 1158 Comment
  UC536684  Cryptantha intermedia D. H. Johnson and F. G. Palmer 1935-5-16 Siskiyou 11 mi ne of Weed 1097 Comment
  CAS-BOT-BC80556  Cupressus bakeri O. V. Matthews 1939-7-3 21 Siskiyou S.E. of Sullivan Mine, Cook-Green Region, 3 mi. S. of Blue Ledge Mine 1219 Comment
  CAS-BOT-BC80566  Cupressus bakeri Matthews 1939-7-1 30 , 31 & 32 Siskiyou Above Seiad Grove Comment
  RSA22763  Cupressus bakeri O. V. Matthews 1939-7-13 33 Siskiyou NW slope of Goose Nest, E of Yreka. 1524 Comment
  UC484051  Cupressus bakeri Carl B. Wolf 1930-10-19 1746 Siskiyou 1 mi e of Timbered Butte (on old road from C. W. Hill Farm at Dana to Little Hot Springs Valley); Modoc Lava Beds 1219 Comment
  UC1507230  Cupressus nootkatensis Stephen W. Edwards 1983-7-11 SWE- 83 -21 Siskiyou s end Buck Lake (Klamath Natl. For.); , s end of Buck Lake 1310 Comment
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Jan 30 2011
  RSA184718  Cuscuta occidentalis Gilbert Muth 1966-8-1 490 Siskiyou Marble Valley Horse Pasture, Marble Mountains 1793 Comment
  SEINET10497518  Cynoglossum occidentale Mary Merello 1993-6-25 Merello 718 Siskiyou Shasta National Forest. At end of Forest Service Road 39N 28, road to Lower Falls and Fowlers Campground. Open conifer woodlands. Disturbed. Along McCloud River. 970 Comment
  HSC103019  Cynosurus echinatus J. P. Smith 2014-6-6 13876 Siskiyou Along State Route 96 at the Portuguese Creek Access to the Klamath River 416 Comment
  HSC7280  Cyperus bipartitus C. B. Wolf 1927-8-26 1085 Siskiyou Klamath River 14 mi. above Happy Camp Comment
  RSA13860  Cyperus bipartitus L. C. Wheeler 1934-8-31 3229 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Lund Ranch, W Fork Beaver Creek. 1066 Comment
  CAS-BOT-BC114108  Cyperus squarrosus Cyrus Guernsey Pringle 1881-8-16 s.n. Siskiyou Flora of the Pacific Slope. Comment
  CAS-BOT-BC114199  Cyperus strigosus Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar. Comment
  CHSC2336  Cypripedium californicum V. Holt 1932-6-20 Siskiyou Mt. Eddy. ... Field redacted by CHSC, contact the data manager for more information 2133 Comment
  HSC66257  Cypripedium californicum Maralyn A. Renner 1980-7-4 1457 Siskiyou Clear Creek Trail, N of Trout Camp. 1037 Comment
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Jun 7 2012
  UC1258463  Cypripedium californicum Maralyn A. Renner 1980-7-4 1457 Siskiyou Clear Creek Trail n Trout Camp; Klamath National Forest, Preston Peak Quad. 1036 Comment
  UC13537  Cypripedium californicum W. C. Blasdale July, 1899 1077 Siskiyou Siskiyou Mountains Comment
  UC1483412  Cystopteris fragilis Maralyn A. Renner 1980-7-23 1841 Siskiyou near ridge about 1 mi e of Cook and Green Pass; Klamath Nat'l Forest, Seiad Valley Quadrangle, Pacific Crest 1752 Comment
  UC922430  Cystopteris fragilis Annie M. Alexander and Louise Kellogg 1949-7-24 5865 Siskiyou trail to Bear Lake Paradise Lake; Marble Mts. 1920 Comment
  HSC26704  Cystopteris fragilis William J. Ferlatte 1971-9-18 1381 Siskiyou Caribou Basin, Sawtooth Ridge 2378 Comment
  CAS-BOT-BC192254  Danthonia californica John Thomas Howell 1937-7-1 13456 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC103042  Danthonia californica J. P. Smith 2014-6-7 13900 Siskiyou Along Forest Service Road 40N08, just north of Big Carmen Lake 1699 Comment
  HSC73276  Danthonia californica Gail Newton 1980-6-20 473 Siskiyou Near Bald Mtn. 1097 Comment
  JEPS76057  Danthonia californica W. L. Jepson 1937-7-23 18459 Siskiyou Hayden Mt. Yreka Comment
  HSC44949  Danthonia unispicata J. O. Sawyer 1978-6-17 3233 Siskiyou Marble Mtn. Wilderness Area, slopes E of Gem Lake 2073 Comment
  CHSC30182  Darlingtonia californica M. S. Taylor 1980-6-23 2942 Siskiyou On e side of 39N45 in Soapstone Gulch, ca. 2 mi s ... Field redacted by CHSC, contact the data manager for more information 1676 Comment
  HSC67646  Darlingtonia californica J. P. Smith, Steve Selva 1970-7-27 4522 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  UC909356  Darlingtonia californica Ira L. Wiggins 1950-5-28 12370 Siskiyou small bog on one side of ridge above Grouse Creek (about 1.5 mi from Carmen Lake) 1584 Comment
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Jan 29 2013
  CAS-BOT-BC141838  Dasiphora fruticosa Alice Eastwood 1912-8-30 2025 Siskiyou Summit, Mount Eddy Comment
  RSA431673  Datisca glomerata Edwin Kline 1920-06 s.n. Siskiyou Siskiyou Mtns. Comment
  UCR142704  Datura stramonium L. C. Wheeler 1934-10-13 3319 Siskiyou Siskiyou Mountains, Klamath River near Skunk Gulch 610 Comment
  CAS-BOT-BC9573  Delphinium antoninum Alice Eastwood; John Thomas Howell 1937-6-26 5036 Siskiyou Salmon Mts., 10 miles SW of Etna Comment
  RSA184772  Delphinium decorum subsp. tracyi Gilbert Muth 1966-7-17 407 Siskiyou Trail to Lookout, Marble Mtns. 1860 Comment
  CAS-BOT-BC8969  Delphinium depauperatum Lincoln Constance; Reed Clark Rollins 1942-5-14 2926 Siskiyou Road to Walker Post Office, 4 miles west of Yreka, Klamath-Siskiyou Region 1219 Comment
  SEINET10833584  Delphinium nudicaule Mary Merello 1993-6-22 Merello 687 Siskiyou Shasta National Forest outside of Mt. Shasta City. Along Forest Service Road 26 to Lake Siskiyou. Mixed conifer forest along rocky, gravely slopes of the Sacramento River. 1090 Comment
  CAS-BOT-BC9891  Delphinium nudicaule Doris K. Kildale 1930-6-1 9852 Siskiyou summit between Sawyers Bar and Etna Mills Comment
  UC375267  Delphinium nudicaule Geo. D. Butler 1909-4-18 599 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC116154  Delphinium nuttallianum Alice Eastwood 1921-7-24 10744 Siskiyou Castle Lake Comment
  CAS-BOT-BC116171  Delphinium nuttallianum Ira L. Wiggins 1950-5-28 12382 Siskiyou Serpentine ridge just above Grouse Lake (headwaters of Grouse Creek). 1737 Comment
  HSC63059  Delphinium nuttallianum David Wheeler 1979-4-1 4 Siskiyou Matthews Creek Campground, S Fork of the Salmon River, between Cecilville and Forks of the Salmon Comment
  RSA187489  Delphinium nuttallianum H. A. Thomas, John H. Thomas 1954-7-25 s.n. Siskiyou Salmon Trinity Mts, Vicinity of Rush Lake and Rush Creek Meadow, 9 miles E of Cecilville. 1829 Comment
  UC618686  Delphinium nuttallianum W. Bridge Cooke 1938-7-1 11156 Siskiyou near Wagon Camp (lower end of the Wagon Camp meadow along stream and road side); Mt. Shasta Comment
  CAS-BOT-BC116170  Delphinium nuttallianum K. T. Stillman 1976-6-25 57 Siskiyou Scott Bar, Marble Mountain Wilderness Area. Comment
  POM99356  Delphinium nuttallianum Geo. D. Butler 1910-3-29 1142 Siskiyou Near Yuka Comment
  UC69612  Delphinium variegatum subsp. variegatum F. W. Hooper Siskiyou Little Shasta Valley. Comment
  CHSC61564  Deschampsia cespitosa subsp. cespitosa L. P. Janeway 1983-8-16 545 Siskiyou Siskiyou Mountains; at Poker Flat, upper portion of a meadow. 1524 Comment
  RSA415968  Deschampsia cespitosa subsp. cespitosa M. B. Dunkle 1945-7-24 9265 Siskiyou Klamath National Forest, Marble Mts. Comment
  HSC60818  Deschampsia elongata Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC71186  Deschampsia elongata M. A. Baker 1980-6-20 2219 Siskiyou Near Bald Mtn. 1036 Comment
  CAS-BOT-BC39727  Descurainia Gilbert Muth 1966-7-19 426 Siskiyou Marble Mountains. Above horse pasture. 1804 Comment
  CAS-BOT-BC43135  Descurainia pinnata subsp. brachycarpa Lincoln Constance; Reed Clark Rollins 1942-5-14 2932 Siskiyou Shasta River 6 miles north of Yreka. 762 Comment
  CAS-BOT-BC43267  Descurainia pinnata subsp. glabra R. E. Frenkel 1963-7-13 257 Siskiyou On Everitt Memorial Highway, 0.4 mile north of McCloud River RailRoad crossing near Mount Shasta. 1176 Comment
  CDA3688  Descurainia sophia T. C. Fuller 1958-4-17 4821 Siskiyou 4 miles east of Yreka. 0 Comment
  CDA5618  Descurainia sophia L. Ahart, J. Dittes 2005-6-9 12054 Siskiyou 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. Comment
  UCD114786  Descurainia sophia A. A. Heller 1916-7-20 12463 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy in openings in the forest. 1188 Comment
  UCD114792  Descurainia sophia R. N. Raynor 1940-4-11 s.n. Siskiyou Montague. Comment
  UC1190147  Dicentra formosa Ira L. Wiggins 1955-7-29 13576 Siskiyou between pass to Thompson Creek and Caribou Lake 1956 Comment
  CHSC9499  Dicentra pauciflora J. F. Goodwin 1971-7-3 144 Siskiyou Southeast side of Castle Lake, 0.5 mi. south on Lookout Trail on east side of trail. 9.2 mi. sw of Mt. Shasta City. 1706 Comment
  HSC91287  Dicentra uniflora Jennifer Whipple 1976-6-17 1014 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC70383  Dichelostemma capitatum Milo S. Baker 1898-2-12 701 Siskiyou n slope Taylor Mt. Comment
  SEINET8475420  Dichelostemma capitatum subsp. capitatum G. D. Butler 1910-4-17 1192 Siskiyou Near Yreka. Comment
  CAS-BOT-BC502224  Dichelostemma ida-maia Geo. D. Butler 1909-7-15 889 Siskiyou Salmon Range 1828 Comment
  SEINET3885606  Dichelostemma multiflorum Alv Dan Youngberg 1964-6-15 25 Siskiyou Growing on the forest floor along Elk Creek. Humbolt Meridian.; 0 427 Comment
  UCD35445  Dieteria canescens Beecher Crampton 1956-8-22 3864 Siskiyou South slope of Mt. Shasta, Wagon Camp Road, about 4 miles southwest of Panther Meadow. 1828 Comment
  CAS-BOT-BC291018  Dieteria canescens var. shastensis Wm. Bridge Cooke 1938-8-21 11536 Siskiyou Mount Shasta. Horse Camp flats Comment
  CAS-BOT-BC291019  Dieteria canescens var. shastensis L. E. Smith 1915-7-1 s.n. Siskiyou Bray Comment
  JEPS45940  Dieteria canescens var. shastensis Rimo Bacigalupi, and L. R. Heckard 1966-6-20 9184 Siskiyou on n side Mt. Shasta (along upper part of Bolam Logging road) 1676 Comment
  CDA15523  Digitalis purpurea G. F. Hrusa 1998-7-5 14691 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. at mile 5.x. Sheet 1 of 2 Comment
  CAS-BOT-BC209022  Digitaria sanguinalis Dorothy Parker 1949-8-21 73 Siskiyou YeCanahue(?) Gulch, Scott Valley 914 Comment
  HSC5467  Dimeresia howellii R. C. Wunner 179 Siskiyou California Lava Beds National Monument; top of Caldwell Butte in bottom of crater 1498 Comment
  SEINET215108 Image available Diplacus nanus J. M. Tucker 1963-1 3724 Siskiyou Marble Mountain Wilderness Area; Vicinity of Paradise Lake, at the base of Kings Castle on the E side. 1981 Comment
  CAS-BOT-BC208638  Distichlis spicata David D. Keck 1949-7-19 6347 Siskiyou 2 mi. S of Grenada, along RR right-of-way. 777 Comment
  CDA31685  Distichlis spicata J. R. Grisham 1963-6-23 Siskiyou Tulelake Wildlife Refuge, Tulelake. 0 Comment
  CAS-BOT-BC136094  Dodecatheon alpinum Alice Eastwood 1921-7-29 10972 Siskiyou Medicine Lake Comment
  JEPS82488  Dodecatheon jeffreyi Gilbert Muth 1965-8-6 187 Siskiyou backside of Black Mt. Marble Mt. Wilderness Area, Black Mt. 2042 Comment
  UC22390  Dodecatheon jeffreyi Harley P. Chandler June, 1901 1573 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges, near Marble Mountain 1828 Comment
  RSA237243  Dodecatheon jeffreyi Frederick W. Oettinger 1967-7-8 160 Siskiyou Above the western end of Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1887 Comment
  CHSC71231  Downingia pulcherrima Vernon H. Oswald; Ken Beatty, Jay Thesken 1998-6-6 9171 Siskiyou Buckaroo Hole, Butte Valley National Grassland between Macdoel and Dorris. 1280 Comment
  JEPS94786  Downingia pulcherrima Vernon H. Oswald and Lowell Ahart 1998-7-21 9333 Siskiyou on s side of Tennant Road 0.4 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake at a gravel pit); s side of Tennant Road 1402 Comment
  JEPS94842  Downingia pulcherrima Vernon H. Oswald and Lowell Ahart 1998-7-21 9333 Siskiyou on s side of Tennant Road 0.4 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake at a gravel pit); s side of Tennant Road 1402 Comment
  UC1142647  Downingia pulcherrima Rimo C. Bacigalupi with L. Constance and M. Hiroe 1956-6-9 5696 Siskiyou 1.5. mi wnw Weed (along U.S. Highway 99, in the s reaches of Shasta Valley); Shasta Valley 975 Comment
  RSA60640  Downingia yina Dorothy Parker 1948-7-11 100 Siskiyou Shovel Creek, near Beswick. 1012 Comment
  HSC61207  Draba howellii Al Hobart Siskiyou El Capitan 1829 Comment
  UC166132  Draba nemorosa Geo. D. Butler 1910-4-10 1162 Siskiyou near Yreka; near Yreka Comment
  CHSC29779  Drosera rotundifolia M. S. Taylor; W. Roderick, B. Williams 1980-6-4 2784 Siskiyou Bog around Cedar Lake. ... Field redacted by CHSC, contact the data manager for more information 1737 Comment
  RSA0011660  Drosera rotundifolia Frederick W. Oettinger 1969-7-31 1113 Siskiyou West above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC86529  Drymocallis glandulosa D. K. Imper Jun 1987 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  CAS-BOT-BC159281  Drymocallis lactea var. lactea Ira L. Wiggins 1955-7-27 13525 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  UC859900  Drymocallis pseudorupestris A. A. Heller 1915-8-26 12217 Siskiyou near the source Wagon Creek (Mt. Eddy); , near source of Wagon Creek 2621 Comment
  HSC90741  Drymocallis pseudorupestris var. pseudorupestris Jennifer Whipple 1976-6-17 1034 Siskiyou W facing slope of ridge between Durney Lake and Little Crater Lake 2409 Comment
  CHSC88373  Eleocharis coloradoensis Jenny Marr 1993-7-1 179 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UCSB63910  Eleocharis engelmannii Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou East side of Forest Route 15, 10.9 mi. north of Hwy. 89; T41N R2E Sect. 18, Lodgepole Pine Forest 1383 Comment
  CAS-BOT-BC113319  Eleocharis montevidensis David Daniels Keck 1949-7-19 s.n. Siskiyou 6.5 mi SW of Yreka on road to Ft. Jones, nr head of Yreka Creek at first spring. 1127 Comment
  JEPS19432  Eleocharis obtusa Geo. D. Butler 1908-8-28 7 Siskiyou Oro Fino 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
  UCD49862  Eleocharis suksdorfiana Robert E. Preston 2001-7-21 1748 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 2066 Comment
  JEPS84001  Elymus X aristatus L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6433 Siskiyou Hell's Canyon Kangaroo Mountain (cirque at head, e slope of mt., ca 5 mi n of town of Seiad Valley) 1828 Comment
  POM359908  Elymus X hansenii M. B. Dunkle 1945-7-24 9267 Siskiyou Klamath National Forest, Marble Mts. Comment
  HSC39647  Elymus caput-medusae J. P. Smith, J. O. Sawyer 1971-9-18 4673 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  CHSC91371  Elymus cinereus Lowell Ahart; John Dittes 2005-6-10 12109 Siskiyou Steep slope, 30 yards east of the Shasta River, near the south fence, 100 yards south 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
  UCD61416  Elymus elymoides Dean Wm. Taylor 1975-8-14 5365 Siskiyou Subalpine slopes and alpine openings in subalpine forest, between Shasta Ski area and Green Butte, Mt. Shasta. 2590 Comment
  UCD61688  Elymus elymoides subsp. californicus A. A. Heller 1920-6-24 13387 Siskiyou Metcalf's ranch, NE base of Mt. Eddy. 1280 Comment
  UC175615  Elymus elymoides subsp. elymoides Mr. Roseman 1913-1 Siskiyou Butte Valley Comment
  UC197116  Elymus elymoides subsp. hordeoides Geo. D. Butler 1910-5-4 1278 Siskiyou Yreka Comment
  HSC69214  Elymus glaucus Maralyn A. Renner 1980-7-24 2086 Siskiyou Lily Pad Lake 1768 Comment
  UC1265398  Elymus glaucus F. W. Oettinger 1969-9-3 1622 Siskiyou English Peak Salmon Mountains (s slope, w Siskiyou Co.) 2072 Comment
  CAS-BOT-BC206610  Elymus glaucus subsp. glaucus Doris K. Kildale 1929-7-21 8750 Siskiyou Elk Lick, Sotuh Fork of Indian Creek 1219 Comment
  CAS-BOT-BC206611  Elymus glaucus subsp. glaucus Doris K. Kildale 1928-8-20 6622 Siskiyou Hancock Lookout, on trail to Marble Mountain 2151 Comment
  HSC101485  Elymus glaucus subsp. glaucus J. P. Smith, J. O. Sawyer 2011-7-21 13041 Siskiyou Near Dillon Camp 1358 Comment
  HSC31066  Elymus glaucus subsp. glaucus Frederick W. Oettinger 1969-9-3 1622 Siskiyou Marble Mtn. Wilderness Area, trail on south slope of English Peak. 2073 Comment
  JEPS72940  Elymus glaucus subsp. jepsonii W. L. Jepson 1940-6-28 20054 Siskiyou McCloud 975 Comment
  HSC39902  Elymus lanceolatus subsp. lanceolatus J. P. Smith, Steve Selva 1970-7-16 4409 Siskiyou Beaver Creek Campground. 823 Comment
  RSA198621  Elymus multisetus Geo D. Butler 1910-7-3 1632 Siskiyou Goosenest Foothills 1220 Comment
  UC203918  Elymus trachycaulus Geo. D. Butler 1909-6-27 847 Siskiyou roadside near Yreka Comment
  JEPS107657  Elytrigia intermedia subsp. barbulata Lowell Ahart, John Dittes 2005-6-10 12121 Siskiyou North side of the corral, end of Salvadori Road, Nelson Ranch, about 1 1/4 miles (air) south of Highway 99/97 Cutoff, about 5 1/4 miles (air) east-southeast of Grenada 785 Comment
  CAS-BOT-BC165905  Epilobium Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Between turnoff to Picayne Lake and Mumbo Summit, Trinity Mts. 1889 Comment
  HSC29169  Epilobium anagallidifolium Frederick W. Oettinger 1969-9-2 1595 Siskiyou Marble Mtn. Wilderness Area, N side of English Peak 2165 Comment
  POM248138  Epilobium anagallidifolium W. Bridge Cooke 1939-8-24 13902 Siskiyou Mount Shasta: West branch of Squaw Valley Creek in the Heather Meadow. Comment
  RSA34679  Epilobium anagallidifolium W. Bridge Cooke, V. G. Cooke 1946-8-29 17615 Siskiyou Basin above Panther Creek Meadows Mount Shasta 2744 Comment
  POM251085  Epilobium angustifolium subsp. circumvagum W. Bridge Cooke 1938-8-22 11329 Siskiyou Mt. Shasta 1433 Comment
  CHSC26175  Epilobium brachycarpum J. P. Kroessig 1977-8-5 50 Siskiyou McBride Spring Campground ca. 4.5 km n of Mt. Shasta City, at base of Mt. Shasta. 1460 Comment
  HSC49650  Epilobium ciliatum subsp. ciliatum J. P. Smith, Steve Selva 1970-7-15 4341 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  POM215737  Epilobium ciliatum subsp. ciliatum Louis C. Wheeler 1935-7-3 3650 Siskiyou 2 mi nw of Montague (Shasta River); Shasta River. 761 Comment
  POM256464  Epilobium ciliatum subsp. ciliatum Edward Lee 1934-8-11 1027 Siskiyou Walker Creek, a tributary of the Klamath River (east end of Seiad Valley) 457 Comment
  POM258979  Epilobium ciliatum subsp. glandulosum W. Bridge Cooke 1940-8-2 15394 Siskiyou Bear Springs, Mount Shasta 1524 Comment
  POM230571  Epilobium hallianum J. T. Howell 1937-7-26 13527 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  POM259758  Epilobium hallianum J. T. Howell 1939-8-10 15261 Siskiyou Spirit Lake, Marble Mountains 1829 Comment
  UC422950  Epilobium hallianum Milo S. Baker Aug. 1897 Siskiyou Payne's Springs Comment
  HSC92085  Epilobium hornemannii subsp. hornemannii Jennifer Whipple 1976-6-30 1217 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  UC1188086  Epilobium hornemannii subsp. hornemannii Philip A. Munz 1960-8-22 24180 Siskiyou Panther Meadows Mt. Shasta (stream bank) 2377 Comment
  RSA237390  Epilobium hornemannii subsp. hornemannii Frederick W. Oettinger 1966-8-7 42 Siskiyou Near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA183679  Epilobium lactiflorum Gilbert Muth 1965-8-11 205 Siskiyou On trail to 4 corners, Marble Valley, Marble Mountains Comment
  HSC76708  Epilobium minutum K. T. Stillman 1976-7-14 227 Siskiyou Marble Mtn. Wilderness Area, Kings Castle 2073 Comment
  POM215871  Epilobium minutum Louis C. Wheeler 1935-6-9 3551 Siskiyou Yreka Creek, Siskiyou Mountains. 1220 Comment
  JEPS109563  Epilobium oregonense Dean W. Taylor 2002-7-21 18272 Siskiyou The Eddys, cirque at headwaters of Parks Creek above Caldwell Lakes 2316 Comment
  RSA237394  Epilobium oregonense Frederick W. Oettinger 1969-8-19 1460 Siskiyou Moist area between King David Peak and Abbott s Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  POM38541  Epilobium paniculatum Geo. D. Butler 1908-8-26 155 Siskiyou Dry land near Etna Comment
  MACF015280  Equisetum arvense Donald Myrick 1966-8-12 1539 Siskiyou Mountain Meadow Ranch, Big Flat, Trinity Alps 1523 Comment
  UC399182  Equisetum arvense Geo. D. Butler 1908-7-16 249 Siskiyou Klamath River Comment
  HSC42939  Equisetum hyemale subsp. affine J. O. Sawyer, Ken Stillman 1976-7-1 2773 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  HSC46005  Equisetum hyemale subsp. affine J. P. Smith, Steve Selva 1970-7-16 4390 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  RSA239283  Equisetum hyemale var. affine Frederick W. Oettinger 1966-7-25 34 Siskiyou Along Timber Gulch Bank, Salmon River District, Klamath National Forest, Cecilville 701 Comment
  CAS-BOT-BC57804  Equisetum laevigatum Barbe 1957-7-13 376 Siskiyou Klamath National Forest, Big Flat Public Camp. W. side of Camp. 1524 Comment
  CAS-BOT-BC57811  Equisetum laevigatum W. B. C. 1940-6-7 15088 Siskiyou Just n. of Mount Shasta City along US99. 1082 Comment
  HSC26547  Eragrostis cilianensis J. P. Smith, Steve Selva 1970-7-16 4402 Siskiyou 1 mi. E of O'Neill Campground 579 Comment
  UCR168481  Eragrostis orcuttiana L. C. Wheeler 1934-10-6 3314 Siskiyou Siskiyou Mountains, Oak Knoll Ranger Station, Klamath River 671 Comment
  HSC68335  Eremogone congesta Maralyn A. Renner 1980-6-26 1233 Siskiyou SE edge of Flint Valley. 1390 Comment
  HSC68530  Eremogone congesta Maralyn A. Renner 1980-6-24 1058 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  HSC77340  Eremogone congesta var. congesta L. P. Janeway 1983-8-13 533 Siskiyou S side and above S Fork Indian Creek 1463 Comment
  HSC79096  Ericameria bloomeri Paul Wilson 1984-8-30 361 Siskiyou Juanita Lake Reservoir 1555 Comment
  JEPS74448  Ericameria bloomeri W. J. Ferlatte 1966-9-18 486 Siskiyou Big Flat Trinity Alps, Big Flat (near public camp) 1524 Comment
  UC1188089  Ericameria bloomeri Philip A. Munz 1960-8-22 24172 Siskiyou Panther Meadows Mt. Shasta, Panther Meadows 2286 Comment
  CAS-BOT-BC287487  Ericameria greenei Peter H. Raven 1956-9-4 10394 Siskiyou Pass just S of Mt Eddy 2438 Comment
  CAS-BOT-BC287492  Ericameria greenei Louis C. Wheeler 1934-8-24 3220 Siskiyou Trapper Creek, Siskiyou Mts 1859 Comment
  HSC92185  Ericameria greenei Jennifer Whipple 1977-8-4 2165 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2195 Comment
  UCR80264  Ericameria greenei L. C. Wheeler 1934-8-24 3220 Siskiyou Siskiyou Mtns, Trapper Creek. 1860 Comment
  HSC2236  Ericameria nauseosa Geo. D. Butler 1910-8-15 1839 Siskiyou Shasta Valley Comment
  CAS-BOT-BC298250  Ericameria nauseosa var. oreophila W. R. Dudley 1899-8-25 s.n. Siskiyou Gazelle Comment
  CAS-BOT-BC298251  Ericameria nauseosa var. oreophila Elmer I. Applegate 1923-8-21 3926 Siskiyou Willow Creek, S of Lower Klamath Marsh Comment
  HSC104144  Ericameria nauseosa var. speciosa Dana York 2011-9-8 3084 Siskiyou Klamath National Forest, Marble Mountain Wilderness, along summit of Marble Mountain, ~2.1 km N of Black Marble Mountain 2120 Comment
  HSC69028  Erigeron aliceae Maralyn A. Renner 1980-7-28 2185 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  HSC61801  Erigeron aliceae Ruby Van Deventer 1939-7-19 Siskiyou Poker Flat 1585 Comment
  POM253603  Erigeron aliceae C. L. Hitchcock, J. S. Martin 1939-7-6 5202 Siskiyou Siskiyou Mts., 2 miles within California boundary on Takilma-Happy Camp Road 1555 Comment
  POM35919  Erigeron aliceae Geo. D. Butler 1910-6-8 1653 Siskiyou Shackleford Creek 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-BC295365  Erigeron compositus R. C. Wenk 2005-7-15 211 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass, going N along ridge towards Preacher's Peak 2133 Comment
  NY168441  Erigeron copelandii E. B. Copeland 09 1903 s.n. Siskiyou Mt. Eddy 1249.7 Comment
  HSC5560  Erigeron elegantulus R. C. Wunner 1965-7-9 375 Siskiyou Lava Beds National Monument Upper Ice Cave 1555 Comment
  CAS-BOT-BC300471  Erigeron filifolius J. William Thompson 1936-7-8 13157 Siskiyou Lava Beds Nat. Monument Comment
  HSC39257  Erigeron glacialis var. glacialis J. O. Sawyer 1969-8-2 1698 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  HSC29237  Erigeron glacialis var. glacialis Frederick W. Oettinger, R. F. Thorne 1969-8-4 1174 Siskiyou Marble Mtn. Wilderness Area, English Peak area, N of Tobacco Lake 1890 Comment
  LA203587  Erigeron inornatus Edward Lee; 1934-8-14 1113 Siskiyou near summit of Little Grayback, Siskiyou-Del Norte County line 1828 Comment
  CAS-BOT-BC295816  Erigeron petrophilus var. viscidulus Louis C. Wheeler 1934-8-24 3219 Siskiyou Trapper Creek, Siskiyou Mts. 1859 Comment
  CAS-BOT-BC295813  Erigeron petrophilus var. viscidulus A. A. Heller 1918-7-16 13032 Siskiyou Mt. Eddy, west of Sisson 2133 Comment
  SBBG115567  Eriodictyon lobbii K. F. Mawdsley 1996-7-9 5 Siskiyou Eaton-Duck Lakes trailhead, Russian Wilderness 1524 Comment
  OBI78913  Eriogonum Anthony Baniaga 2011-7-8 430 Siskiyou Klamath National Forest, along Salmon River on Highway 93. quadrangle. 694 Comment
  RSA789822  Eriogonum Rebecca Wenk 2006-9-2 545 Siskiyou Trail to Caribou Lakes from Big Flat Meadow. 1951 Comment
  CAS-BOT-BC33630  Eriogonum compositum var. compositum Alice Eastwood; John Thomas Howell 1934-4-20 1767 Siskiyou Near Yreka along Shasta River Comment
  HSC43399  Eriogonum compositum var. compositum K. T. Stillman 1976-8-7 201 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  UC922358  Eriogonum compositum var. compositum Annie M. Alexander and Louise Kellogg 1949-7-29 5901 Siskiyou Campbell L. trail to Hidden L. (above Sky High Valley); Marble Mountains, Sky High Valley 1767 Comment
  CAS-BOT-BC248844  Eriogonum compositum var. compositum Roxana S. Ferris; Laura Lorraine 1948-6-12 11763 Siskiyou East fork of Scott River one mile north of Callahan Comment
  HSC41055  Eriogonum compositum var. compositum J. O. Sawyer 1969-7-8 1094 Siskiyou Ridge N of High Lake 2360 Comment
  CAS-BOT-BC242533  Eriogonum congdonii Dorothy Parker 1948-8-19 222 Siskiyou Near Chinquapin, on Scott Mountain 1524 Comment
  JEPS98387  Eriogonum congdonii Vernon H. Oswald 2000-8-28 9958 Siskiyou Rock Fence Lake Road (40N18) 0.6 mi from its jct. with Kangaroo Lake Road 1737 Comment
  HSC19482  Eriogonum diclinum J. O. Sawyer 1969-6-2 1008 Siskiyou Summit above Albert Lake 2256 Comment
  UC1409242  Eriogonum diclinum Frederick W. Oettinger 1968-8-18 571 Siskiyou due n Tobacco Lake (Medicine Mt.); Salmon Moutains, Marble Mountain Wilderness Area, The High L 1920 Comment
  CAS-BOT-BC255703  Eriogonum douglasii var. meridionale Gilbert J. Muth 1969-8-7 1267 Siskiyou Boulder Peak Ridge 2468 Comment
  CAS-BOT-BC255706  Eriogonum douglasii var. meridionale K. T. Stillman 1976-6-26 107 Siskiyou Marble Mountain Wilderness Area Comment
  UC375309  Eriogonum elatum Geo. D. Butler 1908-8-6 202 Siskiyou Independence Creek Comment
  UC77428  Eriogonum elatum Dr. E. B. Copeland 1903-7-3 3525 Siskiyou Klamathon Comment
  UC454347  Eriogonum elatum var. villosum I. J. Condit 1911-7-13 Siskiyou Dunsmuir, bank of Sacramento River Sacramento River, Dunsmuir Comment
  HSC43464  Eriogonum marifolium Jennifer Whipple 1977-7-20 1994 Siskiyou N slopes of Mount Eddy 2500 Comment
  UC912728  Eriogonum marifolium Lewis S. Rose 1937-7-25 37588 Siskiyou s slope of Mt. Shasta Mt. Shasta 1767 Comment
  CAS-BOT-BC263179  Eriogonum marifolium var. cupulatum Robert F. Thorne; Fred Oettinger 1969-8-10 38985 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta 2438 Comment
  HSC67822  Eriogonum marifolium var. marifolium J. O. Sawyer, J. Cole 1980-7-20 3771 Siskiyou S of Grouse Hill, at N base of Badger Peak 2146 Comment
  CAS-BOT-BC94474  Eriogonum nudum R. C. Wenk 2005-7-19 342 Siskiyou Along Pacific Crest Trail, between Deadfall Lakes and pass below Mt. Eddy 2407 Comment
  HSC27080  Eriogonum nudum var. nudum J. P. Smith, J. O. Sawyer 1972-9-13 5780 Siskiyou 0.5 mi. W of Cook and Green Pass on rd. to Lily Pad Lake. Comment
  HSC43447  Eriogonum nudum var. nudum Jennifer Whipple 1976-7-8 1360 Siskiyou Dobkins Lake drainage on E slopes above Dobkins Lake 2256 Comment
  HSC77289  Eriogonum nudum var. nudum L. P. Janeway 1983-8-7 516 Siskiyou Peak '5148' East of Preston Peak 1555 Comment
  SD22553  Eriogonum nudum var. nudum Susan G. Stokes 1932-7-14 Siskiyou Near Dorris Comment
  CAS-BOT-BC272474  Eriogonum nudum var. pubiflorum Geo. B. Grant 1902-9-10 3500 Siskiyou Sissons [Sisson] Comment
  HSC67753  Eriogonum nudum var. pubiflorum J. O. Sawyer, J. Cole 1980-7-21 3827 Siskiyou N of F.S. Road 44N01 near intersection with road to Lava Camp 1677 Comment
  SD133754  Eriogonum nudum var. pubiflorum L. R. Heckard, I. T. Chuang 1968-7-2 1969 Siskiyou Along U.S. Highway 97, 6 miles north of Weed 1219 Comment
  CAS-BOT-BC272494  Eriogonum nudum var. pubiflorum Frank W. Peirson 1923-7-19 4209 Siskiyou Camp on Whitney Creek, Mt. Shasta Comment
  LA206891  Eriogonum nudum var. pubiflorum A. A. Heller; 1927-8-2 14443 Siskiyou Gravelly plains about 3 mi. S of Yreka; Transition Zone Comment
  SBBG83721  Eriogonum nudum var. pubiflorum D. Koutnik, M. Townsend 1979-9-10 592 Siskiyou 5 mi SW of Yreka on Fort Jones Rd 914 Comment
  CHSC71312  Eriogonum ovalifolium var. purpureum Vernon H. Oswald 1998-6-27 9240 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. Meadow. 1402 Comment
  CAS-BOT-BC262732  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-BC263383  Eriogonum strictum var. proliferum A. A. Heller 1918-7-16 13028 Siskiyou Mt. Eddy, west of Sisson 2651 Comment
  CAS-BOT-BC263386  Eriogonum strictum var. proliferum Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  UC55401  Eriogonum strictum var. proliferum Harley P. Chandler 1901-7-2 1733 Siskiyou Etna Mills North Coast Ranges, Etna Mills 914 Comment
  UC909330  Eriogonum strictum var. proliferum Dorothy Parker 1948-7-25 153 Siskiyou Schoolhouse Hill Plowman's Valley, Schoolhouse Hill 1153 Comment
  HSC61211  Eriogonum ternatum Al Hobart 1968-6-20 Siskiyou El Capitan 1829 Comment
  SBBG30588  Eriogonum umbellatum D. Myrick 1968-6-22 1990 Siskiyou Lava Beds Nat Monument 1371 Comment
  CAS-BOT-BC267976  Eriogonum umbellatum var. argus Dorothy Parker 1950-8-6 490 Siskiyou Salmon Mountain 1798 Comment
  UC1035862  Eriogonum umbellatum var. argus Annie M. Alexander and Louise Kellogg 1948-9-8 5601 Siskiyou top of grade between Sawyers Bar and Etna 1737 Comment
  UC1409205  Eriogonum umbellatum var. argus Frederick W. Oettinger 1969-8-13 1353 Siskiyou on s-running ridge of English Peak Salmon Mountains, Marble Mountain Wilderness Area 2209 Comment
  CAS-BOT-BC267973  Eriogonum umbellatum var. argus Doris K. Kildale 1928-7-4 5482 Siskiyou Summit of divide between Salmon River and Scott Valley - Sawyers Valley - Etna Mills Comment
  JEPS40862  Eriogonum umbellatum var. dumosum Paul C. Hutchison 1962-8-3 944 Siskiyou just east, between Grasshopper Flat and Little Medicine Lake Paint Pot Crater 1783 Comment
  JEPS85704  Eriogonum umbellatum var. humistratum Roger Raiche 1983-8-14 30613 Siskiyou fell-field slope near summit of road to Mt. Eddy ((A.K.A. road to Dead Fall Meadow, Park Creek Road, or Forest Road 42N17)) 2133 Comment
  JEPS104885  Eriogonum umbellatum var. modocense Dean W. Taylor 1993-7-30 13994 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 miles east of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  CHSC69084  Eriogonum umbellatum var. nevadense Vernon Oswald; Lowell Ahart 1997-7-28 8792 Siskiyou Southeast of Medicine Lake at Paynes Springs. Common subshrub on the rim of Paynes Creek Canyon north of the campground. 1981 Comment
  UCD101401  Eriogonum umbellatum var. nevadense J. M. Tucker; L. K. Mann 1963-8-18 3761 Siskiyou On top of saddle, between Marble and southwest ridge of Black Mountain, Marble Mountain Wilderness Area. 2103 Comment
  RSA420578  Eriogonum umbellatum var. polyanthum Bonnie C. Templeton 1960-6-21 8523 Siskiyou Between Yreka and the border checking station. Comment
  HSC30404  Eriogonum umbellatum var. stellatum Frederick W. Oettinger 1968-8-4 398 Siskiyou Marble Mtn. Wilderness Area, ridge S of English Peak Lookout 2226 Comment
  SEINET245423 Image available Eriogonum ursinum James L. Reveal, Julie D. Knorr 2002-8-5 8371 Siskiyou Scott Bar Mountains; Scott Bar Mountains, n and w slope and ridge of Deadwood Baldy Peak, Klamath National Forest. 1675 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
  OBI53732  Eriophyllum lanatum David J. Keil 1992-7-19 23465 Siskiyou Klamath NF. Salmon Mtn Summit on Sawyers Bar Rd, SW of Etna 1816 Comment
  UC195247  Eriophyllum lanatum var. achilleoides Annie M. Alexander and Louise Kellogg 1911-6-6 115 Siskiyou Gazelle Comment
  CAS-BOT-BC301135  Eriophyllum lanatum var. achilleoides L. Constance 1933-6-21 E 85 Siskiyou 9 miles north of Weed Comment
  CAS-BOT-BC301137  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-7-6 E 121 Siskiyou 8 miles north of Bray Comment
  POM31386  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-6-7 1532 Siskiyou McAdams Creek Comment
  HSC27652  Eriophyllum lanatum var. grandiflorum Carl W. Mize 1972-6-8 11 Siskiyou 335 Comment
  RSA302656  Eriophyllum lanatum var. grandiflorum J. R. Shevock 1972-7-25 2222 Siskiyou Hwy. 97, near Mt. Shasta 1524 Comment
  JEPS34745  Eriophyllum lanatum var. integrifolium Geo. D. Butler 1908-8-3 344 Siskiyou Log Lake Shackelford Creek, Log Lake 1524 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
  UC60935  Eriophyllum lanatum var. integrifolium Geo. B. Grant 1902-9-1 5228 Siskiyou Shasta Springs Mount Shasta 609 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-BC301719  Eriophyllum lanatum var. lanceolatum Doris K. Kildale 1928-7-2 5355 Siskiyou Salmon Summit via Horn Creek trail Comment
  RSA488702  Eriophyllum lanatum var. lanceolatum James L. Reveal, Mark L. Reveal 1975-8-15 3952 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Dry Lake Lookout Road (Forest Service Road 40S01), 0.3 mile east of 47N30Y and 1.2 miles west of the Cleghorn Meadow Road. Comment
  UCR129902  Eriophyllum lanatum var. lanceolatum L. C. Wheeler 1958-8-18 7399 Siskiyou Mt. View Mine, West Fork Seiad Creek 1524 Comment
  JEPS107286  Erodium cicutarium Lowell Ahart, John Dittes 2005-6-10 12058 Siskiyou Near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  CAS-BOT-BC55115  Erysimum perenne William Bridge Cooke; V. G. Cooke 1963-7-10 34275 Siskiyou North side of Mount Shasta. Along the Bolam logging Road. 2286 Comment
  HSC194  Erysimum perenne William J. Ferlatte 1966-7-6 184 Siskiyou Caribou Mtn. 2470 Comment
  HSC36565  Erysimum perenne J. O. Sawyer 1969-8-4 1829 Siskiyou Above Sugar Lake 2134 Comment
  CHSC31215  Erythranthe breweri M. S. Taylor 1980-7-8 3103 Siskiyou On nw side of Castle Lake. 1615 Comment
  CAS-BOT-BC505229  Erythronium grandiflorum Gilbert Muth 1966-7-8 350 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  HSC77079  Erythronium grandiflorum subsp. grandiflorum K. T. Stillman 1976-6-16 4 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  RSA74741  Erythronium grandiflorum subsp. grandiflorum Albert M. Vollmer, L. Beane 1951-6-2 85 Siskiyou Happy Camp, Klamath River Hwy. 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
  CAS-BOT-BC403671  Eschscholzia californica M. K. Curran 1887-7-1 s.n. Siskiyou Ager. Above Yreka towards Klamath Comment
  CAS-BOT-BC403684  Eschscholzia californica Mrs. H. C. Cantelow 1936-5-30 1365 Siskiyou Bet. Yreka and Fort Jones Comment
  SEINET10924656 Image available Eschscholzia californica Edwin B. Copel 1903-7-2 Copeland 3532 Siskiyou Klamathon. On a dry hill. Comment
  HSC29205  Eucephalus ledophyllus var. ledophyllus Frederick W. Oettinger 1968-8-16 548 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; NW side of Hancock Lake 1936 Comment
  UC922320  Eucephalus tomentellus Annie M. Alexander and Louise Kellogg 1949-7-23 5854 Siskiyou Sky High Valley Marble Mountains, Paradise Valley 1920 Comment
  CDA35309  Euphorbia spathulata J. M. DiTomaso 2002-5-17 s.n. Siskiyou 8 miles northeast of Montague. On York Road, 300 meters east of intersection with Mulloy Road. 0 Comment
  POM138028  Euphorbia spathulata E. B. Copeland 1903-7-3 3523 Siskiyou Klamathon. Comment
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Jan 23 2011
  CAS-BOT-BC413905  Fallopia convolvulus R. E. Frenkel 1964-7-14 682 Siskiyou On shoulder of Everitt Memorial Highway near Mount Shasta, 0.4 mile north of McCloud River RR crossing 1176 Comment
  CAS-BOT-BC418829  Fallopia japonica var. japonica T. C. Fuller 1963-8-26 11152 Siskiyou Dunsmuir Grade, Hwy 99 to Mt. Shasta City, 0.5 mi. n. of the limits of Dunsmuir Comment
  HSC39664  Festuca californica J. P. Smith, J. O. Sawyer, Marilyn O'Meara 1972-7-4 5735 Siskiyou Parrott Mill Rd, 2 mi. S of Sugar Creek 1341 Comment
  CAS-BOT-BC283180  Festuca californica subsp. californica A. A. Heller 1905-6-1 7944 Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  CAS-BOT-BC283181  Festuca californica subsp. californica J. H. Thomas 1954-5-13 4161 Siskiyou Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, along Rush Creek, Salmon Mountains, Klamath National Forest 1127 Comment
  CAS-BOT-BC278738  Festuca idahoensis Louis C. Wheeler 1934-6-7 2658 Siskiyou North Hungry Creek, Siskiyou Mts. 1219 Comment
  CAS-BOT-BC278739  Festuca idahoensis Gilbert Muth 1966-7-25 448 Siskiyou Marble Mountain Lookout, Marble Mts. 2097 Comment
  HSC68492  Festuca idahoensis Maralyn A. Renner 1980-6-9 858 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  RSA211385  Festuca idahoensis William J. Ferlatte 1966-8-3 251 Siskiyou Trinity Alps: Big Flat, wooded area near public camp. 1524 Comment
  RSA582090  Festuca idahoensis L. C. Wheeler 1934-6-10 2678 Siskiyou North Hungry Creek. Siskiyou Mountains. 1311 Comment
  UCR39783  Festuca idahoensis K. T. Stillman 1976-6-25 99 Siskiyou Between Marble Gap and Elk Valley Trail Comment
  UC1265439  Festuca pratensis F. W. Oettinger 1969-8-16 1402 Siskiyou near, w Siskiyou County English Lake; Salmon Mountains, Wiregrass Meadow 1676 Comment
  SEINET10864166  Festuca roemeri Barbara L. Wilson 1996-6-22 Wilson 8172 Siskiyou 0.9 miles from the Gazelle Rd on the Stewart Springs Rd (Forest Service Rd 17), at the first bend in the road, ca. 3.5 miles W and 1 mile N of weed; T42N R5W S32 SW1/4. Comment
  HSC30499  Festuca subulata Frederick W. Oettinger 1969-9-4 1629 Siskiyou Marble Mtn. Wilderness Area, E side of Hancock Lake 1890 Comment
  RSA211416  Festuca subulata William J. Ferlatte 1966-6-22 108 Siskiyou Wooded area 3 miles S of Big Flat. 1585 Comment
  RSA238398  Festuca subulata Frederick W. Oettinger 1969-9-4 1655 Siskiyou Margin of dry meadow below Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  SEINET11915235  Fragaria californica H. P. Chandler 1901-1 1569 Siskiyou nr Marble Mtn - North Coast Ranges 1829 Comment
  HSC97  Fragaria vesca William J. Ferlatte 1966-6-22 110 Siskiyou 3 mi. S of Big Flat 1585 Comment
  CAS-BOT-BC437074  Fragaria vesca subsp. bracteata A. A. Heller 1916-6-20 12406 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC457573  Fragaria vesca subsp. californica W. R. Dudley 1893-6-21 s.n. Siskiyou Near Mt. Shasta Springs Comment
  HSC33926  Fragaria virginiana J. O. Sawyer 1968-6-18 244 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  SEINET10690240  Frangula californica subsp. occidentalis Karen M. Meyer, Andrew Townesmith 2007-7-31 Meyer 176 Siskiyou Shasta-Trinity National Forest. 6.2 on NF Rd. 17, off US Hwy. 97. 1350 Comment
  CAS-BOT-BC59977  Frangula purshiana Alice Eastwood 1912-7-23 1333 Siskiyou Cantaria. Comment
  CAS-BOT-BC59979  Frangula purshiana Louis C. Wheeler 1934-7-17 2915 Siskiyou Cottonwood Creek. Siskiyou Mts. 944 Comment
  CAS-BOT-BC59982  Frangula purshiana C. Hart Merriam 1907-9-26 s.n. Siskiyou Shovel Creek, Klamath Hot Springs. Comment
  SDSU7105  Frasera albicaulis var. nitida D. F. Howe 1962-8-4 3389 Siskiyou Baldy Mountain. 1737 Comment
  UC15019  Fritillaria affinis T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou in the Scott River Valley Scott River Valley Comment
  UC164252  Fritillaria affinis Geo. D. Butler 1910-4-23 1225 Siskiyou Quartz Valley Comment
  CAS-BOT-BC502838  Fritillaria atropurpurea Wm. F. Herrin 1922-5-1 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC506207  Fritillaria pudica Geo. D. Butler 1910-5-1 1264 Siskiyou Humbug Mountain Comment
  CHSC3219  Fritillaria recurva Gerry Carrauthers 1966-5-13 163 Siskiyou 6 mi. from Gazelle on Gazelle Mountain. 1219 Comment
  HSC31734  Fritillaria recurva Glenn McGourty 1974-5-25 55 Siskiyou 1402 Comment
  JEPS25698  Galium aparine P. C. Hutchison 1961-5-22 2034 Siskiyou US 299 at Browns Creek (3.7 mi s of Clear Creek, on w side of river, s of Happy Camp); Klamath River Comment
  JEPS25704  Galium bolanderi P. C. Hutchison 1961-5-22 2037 Siskiyou on Hwy 299 2.7 mi n Clear Creek (w side of river 5.7 mi s of Happy Camp); Klamath River Comment
  POM68837  Galium bolanderi Geo. D. Butler 1908-8-21 413 Siskiyou Etna Creek. Comment
  JEPS87641  Galium boreale subsp. septentrionale Vernon H. Oswald and Lowell Ahart 1994-8-10 6459 Siskiyou FS 40N39 ca. 0.5 mi w Harris Spring Rd. (FS15) (ca 4 air mi nne of Bartle); Bartle Creek, Stillwater Meadows 1359 Comment
  CDA42209  Galium tricornutum D. H. Shaw 1972-6-8 s.n. Siskiyou Airport Road, Montague. 0 Comment
  HSC19061  Galium triflorum J. O. Sawyer 1969-8-1 1621 Siskiyou NE facing slope near Duck Lake Creek. 1799 Comment
  POM358717  Gamochaeta ustulata Edwin Kline 1920-7-19 s.n. Siskiyou Siskiyou Mts. Comment
  HSC30218  Garrya fremontii William J. Ferlatte 1968-6-8 1129 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  HSC8396  Garrya fremontii C. B. Wolf 1927-8-27 1136 Siskiyou Mouth of Crawford Creek, Klamath river Comment
  RSA44059  Garrya fremontii W. Bridge Cooke 1941-6-11 16031 Siskiyou Along the Castle Lake Road. Comment
  SD219046  Garrya fremontii R. F. Thorne 1969-8-23 63348 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. 1159 Comment
  UC54503  Garrya fremontii Harley P. Chandler Jun 1901 1635 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  HSC98346  Gaultheria humifusa Gordon Leppig, J. Kalt 1996-7-9 378 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  SEINET10453068  Gayophytum diffusum Mary Susan Taylor 1980-8-19 Taylor 3267 A Siskiyou T43N R2E se sec 23, Medicine Lake quad. Shasta-Trinity Natl Forest, in pumice, on Paint Pot Crater. With J. Prouty & E. Heinz. 1920 Comment
  UC164345  Gayophytum diffusum subsp. parviflorum Geo. D. Butler 1908-8-3 165 Siskiyou Lake Long Comment
  HSC16399  Gayophytum diffusum subsp. parviflorum R. C. Wunner 1965-8-21 412 Siskiyou Lava Beds N.M., N boundary area near Hovey Pt. 1220 Comment
  POM254607  Gayophytum diffusum subsp. parviflorum W. Bridge Cooke 1940-8-22 15485 Siskiyou Mount Shasta: Squaw Valley Creek meadows 2439 Comment
  POM355402  Gayophytum diffusum subsp. parviflorum M. B. Dunkle 1945-7-25 9246 Siskiyou Klamath National Forest; Marble Mountains: Big Elk Lake Comment
  RSA237805  Gayophytum humile Frederick W. Oettinger 1969-8-5 1189 Siskiyou Trail from English Lake to Abbott s. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1707 Comment
  UC878464  Gentiana calycosa Alice Eastwood 1912-8-30 2042 Siskiyou Mount Eddy Comment
  CAS-BOT-BC123925  Gentiana newberryi Alice Eastwood 1912-8-30 2037 Siskiyou Mount Eddy Comment
  CHSC78517  Gentianella amarella subsp. acuta Vernon H. Oswald 2000-8-28 9955 Siskiyou East border of Kangaroo Lake. 1853 Comment
  HSC30508  Geum macrophyllum Frederick W. Oettinger 1969-8-9 1316 Siskiyou Near Young's Cabin, Salmon Mts. 1357 Comment
  UC375378  Geum triflorum Geo. D. Butler 1910-6-19 1578 Siskiyou Goosenest Foothills 1524 Comment
  SEINET207375  Gilia capillaris Van Deventer, Mrs. Deventer 1959-7-10 7295 Siskiyou Twin Valley Siskiyou Mts. just east of Del Norte County line about 4mi N-NE of Preston Peak; watershed of Indian Cree 1494 Comment
  JEPS25651  Gilia capitata subsp. capitata Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7293 Siskiyou at Poker Flat 1536 Comment
  CAS-BOT-BC94919  Gilia capitata subsp. capitata R. C. Wenk 2006-9-2 549 Siskiyou Trail to Caribou Lakes from Big Flat Meadow, below Snowslide Lake 2164 Comment
  UC52694  Gilia clivorum F. W. Hooper Siskiyou Little Shasta Comment
  CAS-BOT-BC225352  Gilia latiflora subsp. davyi John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-21 53572 Siskiyou Yreka 822 Comment
  JEPS105005  Gilia leptomeria Dean W. Taylor 1995-6-4 14967 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. 10 miles North of Weed) 1158 Comment
  JEPS105460  Gilia leptomeria Dean W. Taylor 1995-6-4 14967 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. 10 miles North of Weed) 1158 Comment
  CAS-BOT-BC282718  Glyceria elata Wm. Bridge Cooke 1938-6-24 11083 Siskiyou MacBride Spring, Mount Shasta 1524 Comment
  HSC26621  Glyceria elata J. P. Smith, Steve Selva 1970-6-15 3916 Siskiyou 10 mi. NW of Forks of Salmon Comment
  UC197495  Glyceria elata Geo. D. Butler 1910-7-14 1780 Siskiyou Shackleford Creek Comment
  UCD85162  Glyceria elata L. Whitney 1934-6-24 s.n. Siskiyou Tennant. 1463 Comment
  CAS-BOT-BC282842  Glyceria striata C. F. Baker 1903-9-8 3795 Siskiyou Mt. Eddy Comment
  HSC29152  Goodyera oblongifolia Frederick W. Oettinger 1968-8-5 416 Siskiyou Marble Mountain Wilderness Area, W end of Charmaine Lake 1921 Comment
  UC1034055  Goodyera oblongifolia W. Bridge Cooke 1941-8-28 16231 Siskiyou Mount Shasta, along Squaw Valley Creek Squaw Valley Creek; Mount Shasta, Squaw Valley Creek 1524 Comment
  RSA150572  Goodyera oblongifolia Lee W. Lenz 1961-6-22 24362 Siskiyou Siskiyou County: 15 miles N of Happy Camp, road to OBrien Comment
  CAS-BOT-BC314627  Grindelia hirsutula Lewis S. Rose 1941-8-28 41428 Siskiyou Macdoel 1297 Comment
  CDA3424  Gypsophila paniculata T. C. Fuller 1967-6-29 16038 Siskiyou West of Medo-Bel Dairy, College Avenue, southwest part of Weed. 0 Comment
  RSA114970  Hackelia bella E. K. Balls, L. W. Lenz 1956-6-18 21800 Siskiyou 5 mi. w. of McCloud, State Hwy. 89. 1341 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
  HSC82261  Hackelia californica Thomas W. Nelson, Jane P. Nelson 1980-7-5 5978 Siskiyou Fowler's Campground 1006 Comment
  JEPS67926  Hackelia micrantha Geo. D. Butler 1909-7-15 941 Siskiyou head of Taylor Creek (Highland Mine); , Highland Mine Comment
  UCSB13153  Hastingsia alba Breedlove, Dennis 1962-6-10 Siskiyou On the north bank of the Klamath River at its junction with Goff Creek, 4.5 miles west of Seiad 411 Comment
  CAS-BOT-BC504612  Hastingsia alba W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar Meadows, near McCloud Comment
  RSA105445  Hastingsia alba Milo S. Baker 1955-7-26 13078 Siskiyou Hwy 99, 4 mi S of Gazelle. 915 Comment
  HSC19549  Hastingsia serpentinicola J. O. Sawyer 1969-7-24 1505 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  HSC69504  Hastingsia serpentinicola John S. Palmer 1980-7-24 651 Siskiyou Dillon Divide 1707 Comment
  UCD132644  Hazardia whitneyi Joseph M. DiTomaso 1976-9-8 687 Siskiyou Trinity Alps. Sawtooth Ridge Trail above Stuarts Fork on pass. Siskiyou-Trinity county line. 2279 Comment
  CAS-BOT-BC302453  Hazardia whitneyi var. discoidea Doris K. Kildale 1928-8-19 6533 Siskiyou Trail from English Lake to Hancock Lake on way to Marble Mt. Comment
  CAS-BOT-BC302456  Hazardia whitneyi var. discoidea Louis C. Wheeler 1934-8-5 3045 Siskiyou Condrey Mt., Siskiyou Mts. 2164 Comment
  HSC67895  Hazardia whitneyi var. discoidea J. P. Smith, J. O. Sawyer 1973-8-14 7322 Siskiyou West of Cliff Lake 2012 Comment
  CDA6453  Helenium autumnale T. C. Fuller 1960-8-23 4966 Siskiyou ca. 1 mile southeast of Greenview, Scott Valley. 0 Comment
  UC1408925  Helenium bigelovii Frederick W. Oettinger 1968-8-12 492 Siskiyou Tobacco Lake trail Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  CAS-BOT-BC309576  Helenium puberulum Doris K. Kildale 1928-7-25 5902 Siskiyou Klamath River, at Mack's Creek near Hamburg Comment
  CAS-BOT-BC305315  Helianthella Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  UC29204  Helianthella californica subsp. shastensis Lauramay T. Dempster 1961-7-3 1869 Siskiyou w face of mountain se Callahan; Scott Mountain Comment
  HSC85688  Helianthus bolanderi J. P. Smith 1980-8-24 10350 Siskiyou Klamath National Forest; SR 3, 2.4 mi. from Scott Mtn. summit 1341 Comment
  RSA44889  Helianthus bolanderi J. C. Roos 1948-9-2 3977 Siskiyou Fort Jones. 915 Comment
  JEPS107479  Heliotropium curassavicum Lowell Ahart, John Dittes 2005-6-9 12038 Siskiyou Rocky hill, about 20 yards north of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  CAS-BOT-BC313450  Hemizonella minima Louis C. Wheeler 1934-6-1 2601 Siskiyou Dry Lake Lookout, Siskiyou Mts. 2057 Comment
  UC1400372  Heracleum lanatum Frederick W. Oettinger 1968-8-15 522 Siskiyou s.e. side Hancock Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1935 Comment
  OBI7194  Hesperocyparis bakeri Carl B. Wolf 1944-10-29 11478 Siskiyou NW side Goose Nest Mt, about 1 mi due S of Old Smith sawmill on Montague to Mt. Hebron rd 1676 Comment
  UC454905  Hesperolinon micranthum I. J. Condit 1911-7-10 Siskiyou Shasta Retreat Comment
  SJSU3566  Heterocodon rariflorum D. Funnell 1965-7-13 142 Siskiyou c. 2 mi SE of Bartle on State Rte 89 1158 Comment
  HSC30649  Heterocodon rariflorum Frederick W. Oettinger 1969-8-18 1427 Siskiyou Marble Mtn. Wilderness Area, due N of Horse Range Lake outlet 1860 Comment
  RSA507769  Heterotheca oregona var. rudis J. C. Semple, S. Heard 1986-8-16 8496 Siskiyou SE of Etna. On road to Gazelle, just NE of CA 3, 9.8 km S or road to Kangaroo Lake. Comment
  JEPS84316  Heterotheca villosa var. minor L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6324 Siskiyou 1/2 air mi from Red Butte (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1850 Comment
  RSA261514  Heterotheca villosa var. minor J. M. Tucker, L. K. Mann, Sandra Holloway 1963-8-18 3753 Siskiyou SW ridge of Black Mtn (Black Marble Mtn); Marble Mtn Wilderness Areas. 2134 Comment
  CAS-BOT-BC420700  Heuchera merriamii Doris K. Kildale 1928-7-2 5410 Siskiyou Salmon Summit via Horse Creek trail 1981 Comment
  CAS-BOT-BC420701  Heuchera merriamii Louis C. Wheeler 1934-8-2 3012 Siskiyou Klamath, MDM Jaynes Canyon 2042 Comment
  CAS-BOT-BC94871  Heuchera merriamii R. C. Wenk 2005-7-15 220 Siskiyou Trinity Alps, above S. Fork of Salmon River, along Yellow Rose Mine Trail, N along ridge toward Preacher's Peak 2133 Comment
  HSC61969  Heuchera merriamii Al Hobart 5 Aug [year missing] Siskiyou Preston Peak Comment
  RSA782326  Heuchera micrantha R. W. Spjut, Paul Burchstead 2008-6-12 16341 Siskiyou Klamath Region. Klamath National Forest: vicinity of Sawyers Bar along the North Fork of the Salmon River. Along south side of river just across the bridge south of paved road. 658 Comment
  RSA0066095  Heuchera micrantha var. diversifolia M. B. Dunkle 1944-6-25 9014 Siskiyou Siskiyou National Forest. 1677 Comment
  RSA0066217  Heuchera micrantha var. erubescens Frederick W. Oettinger 1969-8-12 1344 Siskiyou 0.25 mile up from Abbott s Lower Cabin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1189 Comment
  CDA25409  Heuchera micrantha var. pacifica F. D. Horn, D. L. Janssen 1978-5-17 Siskiyou Old Klamath River Highway, approximately 8 km east of Horse Creek. 0 Comment
  HSC61159  Heuchera rubescens Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  HSC22177  Hieracium albiflorum J. O. Sawyer 1969-6-12 911 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  HSC22258  Hieracium albiflorum J. O. Sawyer 1969-7-23 1445 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1341 Comment
  UC637125  Hieracium albiflorum Edward Lee 1934-8-13 1088 Siskiyou watershed of West Branch of Indian Creek, Happy camp to Waldo (Oregon) road Klamath National Forest 1463 Comment
  UC897800  Hieracium albiflorum A. A. Heller 1915-7-18 12122 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 Comment
  RSA142677  Hieracium gracile P. A. Munz 1960-8-22 24176 Siskiyou Panther Meadows, Mt. Shasta. 2317 Comment
  UC1408810  Hieracium greenei Frederick W. Oettinger 1968-9-3 688 Siskiyou English Peak; Marble Mountain Wilderness Area 2011 Comment
  RSA237429  Hieracium greenei Frederick W. Oettinger 1969-8-12 1338 Siskiyou 1/4 mile below metal bridge below Etna Summit on road toward Etna. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UCD77771  Hieracium horridum Robert E. Preston 2001-8-26 1772 Siskiyou Klamath National Forest, Rainbow Mountain 2072 Comment
  JEPS50869  Hieracium triste Al Hobart 1967-8-8 Siskiyou on a spur of the peak nw summit (extreme western Siskiyou County); Siskiyou Mountain Range, Preston Peak 1828 Comment
  RSA449752  Holodiscus boursieri Katherine Curran 1887-09 s.n. Siskiyou Downer Lake, Siskiyou? Comment
  HSC69146  Holodiscus discolor Maralyn A. Renner 1980-8-8 2471 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  RSA105338  Holodiscus discolor G. D. Barbe 1955-8-4 357 Siskiyou About 0.5 mi west of Big Flat on the trail to Caribou Lake. Salmon Mtns. 1524 Comment
  UC375381  Holodiscus discolor Geo. D. Butler 1908-8-3 283 Siskiyou near Campbell Lake 3 mi s of Red Mountain (sw of the bend in the Scott River, Log Lake, Shackleford Creek, central Siskiyou County); Log Lake, Shackleford Creek 1645 Comment
  CAS-BOT-BC150129  Holodiscus microphyllus var. glabrescens Dorothy Parker 1950-8-6 489 Siskiyou Salmon Mountain 1798 Comment
  UCD85470  Hordeum brachyantherum R. Tofsrud 1948-8-1 s.n. Siskiyou Poker Flat, north of Happy Camp. Comment
  JEPS107663  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
  RSA216102  Hordeum depressum Javier Penalosa 1967-3-26 2992 Siskiyou Vernal Pools Natural Area in Valley Grassland 4.5 miles ENE of Pixley 84 Comment
  CAS-BOT-BC284739  Hordeum jubatum David D. Keck 1949-7-19 6348 Siskiyou 2 mi. S. of Grenada 777 Comment
  JEPS107284  Hordeum marinum subsp. gussoneanum Lowell Ahart, John Dittes 2005-6-9 12000 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
  CDA16163  Horkelia daucifolia G. F. Hrusa 1998-5-25 14471 Siskiyou Klamath Ranges; At +- Pioneer (1-2 mi N on Frontage Rd. of I-5), +-10 mi S of Weed, near Mt. Shasta city. 1066 Comment
  UC54352  Horkelia daucifolia H. M. Hall and E. B. Babcock June, 1903 4085 Siskiyou near Edgewood; Sierra Nevada, Mt. Shasta 1158 Comment
  UC555626  Horkelia daucifolia H. L. Mason 1931-5-9 5870 Siskiyou 3 mi s Weed Comment
  UCSB12365  Horkelia daucifolia Dearing, Hugh; Dearing, Margaret 1939-6-3 Siskiyou Near Scotts Bar Comment
  RSA12577  Horkelia fusca var. brownii Carl B. Wolf 1934-7-6 6009 Siskiyou 5.4 miles from Mt. Shasta City on Wagon Camp Rd, SW slope of Mt. Shasta 1220 Comment
  RSA507457  Horkelia tridentata 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
  CAS-BOT-BC201133  Hosackia crassifolia Doris K. Kildale 1929-7-20 8573 Siskiyou South Fork Indian Creek near Gilmore's 457 Comment
  CAS-BOT-BC201136  Hosackia crassifolia Wm. Bridge Cooke 1940-6-7 15090 Siskiyou Along the Pacific Highway between Black Butte and Mount Shasta City Comment
  HSC22219  Hosackia crassifolia J. O. Sawyer 1969-6-11 821 Siskiyou Near C.C.C. road, in Horse Range Creek drainage 1360 Comment
  HSC77274  Hosackia crassifolia L. P. Janeway 1983-6-25 331 Siskiyou Near dirt rd. 450 m N of West Branch Guard Sta. 671 Comment
  HSC78376  Hosackia oblongifolia var. oblongifolia L. P. Janeway 1983-8-6 506 Siskiyou Poker Flat, upper edge of NE side of meadow 1524 Comment
  JEPS34895  Hulsea nana Willis L. Jepson 1894-8-4 Siskiyou Mt. Shasta Comment
  CHSC9500  Hydrophyllum occidentale J. F. Goodwin 1971-7-3 145 Siskiyou Southeast side of Castle Lake, 0.5 mi. south of Lookout Trail on east side of trail. 9.2 mi. sw of Mt. Shasta City. 1706 Comment
  HSC99203  Hydrophyllum occidentale Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  SEINET3156128  Hydrophyllum occidentale G. D. Butler 1910-7-9 1720 Siskiyou Marble Mountain 1676 Comment
  CAS-BOT-BC312852  Hymenoxys lemmonii Brandegee No date on label s.n. Siskiyou Montague Comment
  JEPS117555  Hymenoxys lemmonii Lowell Ahart, John Dittes 2010-7-30 16972 Siskiyou On moist soil of riparian terraces, Shasta Big Springs Ranch, 2.6 miles (air) northwest of Big Springs Lake, 3.9 miles (air) southeast of Grenada, 6.3 miles (air) northwest of Dwinnel Dam 778 Comment
  HSC77091  Hypericum anagalloides K. T. Stillman 1976-7-30 334 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  HSC99602  Hypericum anagalloides G. L. Clifton 1979-7-1 6169 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  UC1034590  Hypericum perforatum Douglas Barbe 1955-7-1 72 Siskiyou 1.3 mi. e. Etna (on Westside Rd. to Callahan, s. of the rd.); Klamath Mts. 853 Comment
  CAS-BOT-BC88627  Idahoa scapigera Peter H. Raven 1964-3-5 18763 Siskiyou Cultivated at Stanford, the seeds from Raven [coll. no.] 18397, at the Oreogn line on U.S. Highway 97. Comment
  UC643276  Iliamna bakeri W. Bridge Cooke 1940-6-28 15193 Siskiyou in chaparral along Memorial Highway; Mount Shasta Comment
  HSC61922  Ipomopsis aggregata Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  HSC65351  Ipomopsis aggregata Rich White 1978-7-20 265 Siskiyou Ridge top E of Raspberry Lake 1768 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
  SEINET12278833  Ipomopsis aggregata H. P. Chandler 1901-1 1624 Siskiyou near Marble Mountain 2134 Comment
  CHSC4534  Ipomopsis arizonica J. E. Bowlin 1967-7-18 58 Siskiyou On roadside, ca. 4 mi w of Mount Shasta Ski Bowl. 1981 Comment
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Jul 13 2018
  HSC65849  Iris tenax subsp. klamathensis Gail Newton 1980-6-20 438 Siskiyou Near Bald Mtn. 250 Comment
  HSC27669  Iris tenuissima Carl W. Mize 1972-6-8 21 Siskiyou Along the main trail 351 Comment
  HSC73993  Iris tenuissima Gail Newton 1980-6-20 522 Siskiyou Near Bald Mtn. 1326 Comment
  UC705594  Iris tenuissima Marion Ownbey and D. H. Brown 1941-6-22 2421 Siskiyou just s Craggy Mountain (nw of Yreka) Comment
  CHSC96097  Isatis tinctoria L. P. Janeway 2006-7-3 8761 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead Road at upper crossing of Music Creek. 1716 Comment
  HSC36871  Isatis tinctoria J. P. Smith 1974-5-26 7528 Siskiyou On Hwy. 3, 0.5 mi. NE of Fort Jones 854 Comment
  SFV1479  Isatis tinctoria J. M. Tucker, L. K. Mann 1963-7-4 3688 Siskiyou Along old abandoned road 8.5 miles (by road) northeast of Fort Jones. Comment
  HSC28733  Isoetes bolanderi Frederick W. Oettinger 1969-7-29 1095 Siskiyou Marble Mtn. Wilderness Area, Dry Lake 2027 Comment
  JEPS100303  Isoetes bolanderi Dean W. Taylor 2001-8-28 17911 Siskiyou Mt. Shasta, Ash Creel Butte, Suprise Lake 2057 Comment
  RSA608670  Isoetes occidentalis L. C. Wheeler 1963-9-11 8385 Siskiyou Siskiyou Mountains: Dillon Creek, 3/4 mile NE of Sawtooth Mountain. 1616 Comment
  CHSC72228  Iva axillaris subsp. robustior Vernon H. Oswald; Lowell Ahart 1998-9-16 9631 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  JEPS82464  Ivesia gordonii Gilbert Muth 1966-7-22 381 Siskiyou ridge of Marble Mt.; Marble Mt. Wilderness Area 2804 Comment
  JEPS116580  Juncus Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -021 Siskiyou The Eddys, west of Mt. Shasta. wet seep adjacent to unmamed tributary to Middle Fork of upper Sacramento River, along Forest Service Rd. 40N64 ca. 1/2 mi N of Middle Fork crossing; Mt. Eddy 1693 Comment
  CAS-BOT-BC110023  Juncus Morris Halperin 1930-5-17 s.n. Siskiyou Schumacher Gulch, near Montague. Comment
  CDA34727  Juncus articulatus L. Ahart, John Dittes 2010-7-3 16962 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
  HSC92707  Juncus balticus subsp. ater Jennifer Whipple 1976-7-8 1356 Siskiyou Along drainage into SW side of Dobkins Lake 2195 Comment
  HSC46746  Juncus balticus subsp. ater William J. Ferlatte 1974-7-26 1597 Siskiyou Big Flat near S Fork of Salmon River, 100 m W of campground 1524 Comment
  UC1265336  Juncus covillei Frederick W. Oettinger 1969-8-18 1419 Siskiyou nw side Horse Range Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1821 Comment
  RSA368220  Juncus effusus subsp. pacificus Henry M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, near Somes Bar. Comment
  HSC61118  Juncus ensifolius Ruby Van Deventer 1955-7-31 Siskiyou FS Rd. 17N04, Doe Flat 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
  JEPS121599  Juncus howellii Danielle Roach 2011-9-15 Siskiyou Tamarack Flat, north of Mt. Eddy. Sloping wet meadow on ultramafic soil; NE aspect. South China Mountain quadrangle. TF1_B Comment
  CAS-BOT-BC110801  Juncus mertensianus John Thomas Howell 1939-8-8 15154 Siskiyou Black Mountain. Marble Mountains. Comment
  HSC96559  Juncus mertensianus Gordon Leppig 1998-7-10 919 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 671 Comment
  HSC96562  Juncus mertensianus Gordon Leppig, J. Kalt 1996-7-10 375 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  UC842670  Juncus mertensianus John Thomas Howell 1939-8-5 15063 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  HSC71105  Juncus nevadensis var. nevadensis Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4511 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  HSC30706  Juncus nevadensis var. nevadensis Frederick W. Oettinger, R. F. Thorne 1969-8-6 1241 Siskiyou Marble Mtn. Wilderness Area, NNW of Pine Lake 1883 Comment
  HSC30712  Juncus orthophyllus Frederick W. Oettinger, R. F. Thorne 1969-8-8 1299 Siskiyou Sundew Bog W of English Lake Camp 1829 Comment
  CHSC40144  Juncus parryi L. P. Janeway 1983-8-13 532 Siskiyou NE of Preston Peak. On s side and above S Fk Indian Cr. 1463 Comment
  CHSC98906  Juncus parryi L. P. Janeway; B. Castro 2007-7-29 9133 Siskiyou High Cascade Range. Medicine Lake Highlands; along the bottom edge of the north side of the northwestern-most lobes of Little Glass Mountain. 1951 Comment
  LA20128  Juncus parryi F. J. Hermann; 1938-8-21 11541 Siskiyou Mount Shasta, on the flats below Horse Camp Comment
  CAS-BOT-BC81132  Juniperus communis G. A. Coleman 1901-8-16 s.n. Siskiyou near head of Paulters Creek 2514 Comment
  HSC4852  Juniperus communis var. jackii J. O. Sawyer 1968-7-23 591 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  CHSC109717  Juniperus occidentalis A. A. Heller 1938-7-12 15262 Siskiyou About 2 miles north of Bray. Comment
  HSC27232  Juniperus occidentalis J. P. Smith, J. O. Sawyer 1971-9-18 4806 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  HSC37540  Juniperus occidentalis J. P. Smith 1974-5-27 7603 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC45854  Juniperus occidentalis J. P. Smith, Steve Selva 1970-8-8 4550 Siskiyou Juanita Lake Comment
  CAS-BOT-BC81238  Juniperus occidentalis F. P. Keen 1929-10-17 s.n. Siskiyou Mayfield Ice Cave near Modoc-Siskiyou County line Comment
  NY20171  Juniperus occidentalis A. A. Heller 1905-6-9 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA120815  Juniperus occidentalis var. occidentalis G. D. Barbe 1955-6-28 19 Siskiyou 0.6 mile north of Callahan, 50 yds from the road. 1037 Comment
  CAS-BOT-BC56357  Kalmia microphylla subsp. microphylla Louis C. Wheeler 1934-8-5 3037 Siskiyou Mud Springs, Middlehell Creek 1676 Comment
  CAS-BOT-BC56360  Kalmia microphylla subsp. microphylla Douglas Barbe 1955-7-6 125 Siskiyou Taylor Lake, Salmon Mts. 1950 Comment
  CAS-BOT-BC56350  Kalmia microphylla subsp. microphylla Dorothy Parker 1950-6-4 445 Siskiyou in the Salmon Mountain Range 1920 Comment
  CAS-BOT-BC56359  Kalmia microphylla subsp. microphylla W. B. C. 1938-7-21 11296 Siskiyou Panther Creek Heather Meadow. Hudsonian. 2286 Comment
  HSC69360  Kalmia polifolia Maralyn A. Renner 1980-8-19 2488 Siskiyou S side of Caribou Lake 2104 Comment
  HSC83881  Kalmia polifolia K. Berg, Stephanie Bennett 1986-8-25 641 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  SEINET3108511  Kalmia polifolia Steve Selva, Robert Jensen 1974-8-25 48 Siskiyou Meadow at west end of Little Duck Lake. Comment
  NY790287  Keckiella corymbosa C. B. Wolf 1937-8-9 9085 Siskiyou Klamath River, 2 miles above Doolittle Creek 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
  HSC29286  Keckiella lemmonii Frederick W. Oettinger, R. F. Thorne 1969-8-5 1211 Siskiyou Marble Mtn. Wilderness Area, hot area on English Lake Trail above Willow Spring 1707 Comment
  HSC4855  Kelloggia galioides J. O. Sawyer 1968-7-23 612 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  RSA760931  Kelloggia galioides Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63379 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. 1768 Comment
  SEINET12628769  Kelloggia galioides G. D. Butler 1910-7-3 1631 Siskiyou Goosenest foothills Comment
  UC397360  Kelloggia galioides Katharine Brandegee 1895-8-11 Siskiyou Mt. Shasta Comment
  UCD77788  Kelloggia galioides Robert E. Preston 2001-6-23 1559 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W ne 1/4 of se 1/4 Section 14 1828 Comment
  SDSU5603  Kochia scoparia D. F. Howe 1966-8-27 4308 Siskiyou Tule Lake. 1311 Comment
  CAS-BOT-BC274223  Koeleria Melissa A. Berry 1957-7-11 s.n. Siskiyou Parrott Mill Road, near Callahan 975 Comment
  RSA580058  Lamium amplexicaule Louis C. Wheeler 1935-7-15 3666 Siskiyou Fort Jones, Scott Valley. 854 Comment
  CAS-BOT-BC204928  Lathyrus Clarence R. Quick 1959-6-19 59 -07 Siskiyou 3 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  CAS-BOT-BC204929  Lathyrus Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou North slope of Scott Mt. Comment
  CAS-BOT-BC204981  Lathyrus jepsonii var. californicus Alice Eastwood 1912-7-21 1279 Siskiyou Sisson Comment
  CDA27123  Lathyrus lanszwertii G. Deal 1964-6-3 Siskiyou Lumber mill, Dorris, Butte Valley. 0 Comment
  RSA48211  Lathyrus lanszwertii var. brownii Roxana S. Ferris, Laura Lorraine 1948-6-12 11828 Siskiyou One mile below summit of Gazelle Mountain, Gazelle-Callahan grade, west side. 1220 Comment
  RSA126290  Lathyrus nevadensis subsp. lanceolatus I. L. Wiggins 1955-7-21 13427 Siskiyou Near Mt. View Ranch 7 mileNortheast of Cuesta Grade.s above Cecilville on S Fork of Salmon River 976 Comment
  RSA184761  Lathyrus nevadensis subsp. lanceolatus Gilbert Muth 1966-7-14 384 Siskiyou Marble Valley, above pasture, Marble Mountains. Comment
  HSC45166  Lathyrus nevadensis var. nevadensis J. O. Sawyer, E. Cope 1977-6-19 2946 Siskiyou Clear Creek Trail between West Fork and Preston Creek 854 Comment
  SEINET184714  Lathyrus polyphyllus C. L. Hitchcock, JS Martin 1939-7-3 5209 Siskiyou Open hillside on Takilma-Happy Camp road 1676 Comment
  RSA105420  Lemna G. D. Barbe 1955-6-29 50 Siskiyou 4.1 miles southeast of Etna on the Eastside road 915 Comment
  JEPS53595  Lepidium densiflorum var. densiflorum Geo. D. Butler 1908-6-25 130 Siskiyou near Yreka (Butler's Ranch) Comment
  CAS-BOT-BC89183  Lepidium draba Geo. D. Butler 1909-5-10 725 Siskiyou Yreka. Comment
  CHSC91629  Lepidium perfoliatum G. F. Hrusa 2001-6-5 15841 Siskiyou Shasta Valley. Road pullout at northbound exit from I-5 at Louie Rd. 914 Comment
  JEPS53718  Lepidium perfoliatum W. L. Jepson 1940-6-23 19985 Siskiyou e of Mayten (e side of Little Shasta Valley); Little Shasta Valley 883 Comment
  HSC6831  Lepidium perfoliatum R. C. Wunner 1965-6-13 153 Siskiyou California Lava Beds National Monument, across Devil's Homestead 1296 Comment
  POM75652  Leptosiphon harknessii Geo D. Butler 1910-7-7 1657 Siskiyou Shackleford Creek 1220 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
  POM298649  Lesquerella occidentalis Lincoln Constance, H. L. Mason, J. F. Davidson, J. M. Tucker 1947-5-17 3199 Siskiyou Summit of NW spur of Scott Mountain. 183 Comment
  SEINET11448032 Image available Lessingia leptoclada G. D. Butler 1910-8-13 1827 Siskiyou Scott Valley Comment
  UC725418  Lessingia nemaclada A. A. Heller 1916-7-23 12494 Siskiyou at Dunsmuir Dunsmuir 640 Comment
  CAS-BOT-BC341904  Lessingia nemaclada Geo. D. Butler 1910-8-13 1827 Siskiyou Scott Valley Comment
  UCSB14919  Leucanthemum vulgare 1962-6-10 Siskiyou On the north bank of the Klamath River at its junction with Goff Creek, 4.5 miles west of Seiad 411 Comment
  CDA39355  Leucocrinum montanum F. D. Horn 1976-5-7 s.n. Siskiyou Grenada, Shasta Vista Estates. 0 Comment
  HSC30488  Leucothoe davisiae Frederick W. Oettinger 1968-8-1 347 Siskiyou Marble Mountain Wilderness Area, N end of Little Hancock Lake 2043 Comment
  HSC4873  Leucothoe davisiae J. O. Sawyer 1968-6-25 306 Siskiyou NE of N Horse Range Lake 2012 Comment
  HSC76700  Lewisia cotyledon K. T. Stillman 1976-8-7 215 Siskiyou Marble Mtn. Wilderness Area, Elk Valley 1829 Comment
  UCD19287  Lewisia cotyledon Julie Knorr 1978-7-14 18 Siskiyou Marble Mountain Wilderness, rocky bluff 1 mi. below summit lake on trail. 1889 Comment
  RSA184767  Lewisia leeana Gilbert Muth 1966-7-14 382 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mountains. 1829 Comment
  CAS-BOT-BC444424  Lewisia rediviva Roxana S. Ferris; Laura Lorraine 1948-6-12 11715 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], e. fork of Scott River Comment
  RSA47807  Lewisia rediviva Roxana S. Ferris, Laura Lorraine 1948-6-12 11715 Siskiyou Schoolhouse Hill, Plowman s Valley [Noyes Valley], East Fork of Scott River Comment
  UC1408940  Lewisia triphylla Frederick W. Oettinger 1969-7-10 947 Siskiyou n Upper English Lake; Salmon Mountains, High Lake Basins, Marble Mountain Wilderne 1950 Comment
  UC1137018  Leymus cinereus August L. Hormay 1932-7-15 Siskiyou Weed Valley Comment
  CAS-BOT-BC272169  Leymus triticoides Geo. D. Butler 1910-6-13 1562 Siskiyou Yreka Creek Comment
  RSA183707  Ligusticum californicum Gilbert Muth 1965-7-28 130 Siskiyou Marble Valley Guard Station, Marble Valley Comment
  CAS-BOT-BC436053  Ligusticum grayi Louis C. Wheeler 1934-8-9 3090 Siskiyou Siskiyou Mountains, Head Jaynes Canyon 1981 Comment
  JEPS83836  Ligusticum grayi Wayne Roderick July 1976 Siskiyou vicinity Cook & Green Pass (near Horse Tail Falls); Siskiyou Mts. 1463 Comment
  HSC96859  Ligusticum grayi Gordon Leppig, J. Cromwell 1997-7-25 587 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake 2200 Comment
  RSA453855  Ligusticum grayi L. C. Wheeler 1934-8-9 3090 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 1981 Comment
  UC30112  Lilium bolanderi W. C. Blasdale Jul 1899 1073 Siskiyou Siskiyou Mts. Comment
  HSC22273  Lilium kelleyanum J. O. Sawyer 1969-8-4 1899 Siskiyou Above S Sugar Lake 2043 Comment
  HSC29247  Lilium kelleyanum Frederick W. Oettinger 1968-8-6 420 Siskiyou Marble Mtn. Wilderness Area, SE corner of Hancock Lake 1905 Comment
  RSA518681  Lilium kelleyanum L. R. Heckard, P. Rubtzoff 1971-8-1 2686 Siskiyou Road from Stewarts Springs to The Eddys, 4 miles below the summit of Mt. Eddy ridge 1585 Comment
  CAS-BOT-BC130823  Lilium pardalinum R. C. Wooley 1931-6-1 s.n. Siskiyou Shasta Retreat Comment
  HSC69173  Lilium pardalinum subsp. pardalinum Maralyn A. Renner 1980-8-6 2332 Siskiyou Cracker Meadow 1555 Comment
  CHSC2296  Lilium rubescens V. Holt 1932-7-3 Siskiyou Castle Creek. 914 Comment
  SEINET8480955  Lilium washingtonianum W. Roderick 1967-7-28 s.n. Siskiyou SW side of Mount Shasta. 1372 Comment
  CAS-BOT-BC133016  Lilium washingtonianum subsp. purpurascens H. A. Thomas; J. H. Thomas 1954-7-25 4543 Siskiyou Salmon - Trinity Mts., below Rush Creek Meadow along Rush Creek, about 8 miles E of Cecilville 1828 Comment
  RSA139020  Linaria dalmatica T. C. Fuller 1960-6-30 4646 Siskiyou Just N/Forest Service Station, Mt. Hebron. Comment
  CDA6301  Linaria genistifolia subsp. dalmatica T. C. Fuller 1958-6-19 1798 Siskiyou South of road to Montague, 1.5 miles east of Yreka. 0 Comment
  RSA0087560  Linnaea borealis subsp. longiflora E. K. Balls 1949-7-9 13937 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. 1006 Comment
  HSC60001  Linum lewisii D. L. Goforth 1979-7-7 230 Siskiyou Klamath National Forest, Condrey Mtn., near Windy Camp. 2027 Comment
  HSC63254  Linum lewisii M. A. Baker 1979-7-30 1076 Siskiyou Marble Gap. 2280 Comment
  HSC476  Listera convallarioides William J. Ferlatte 1967-7-25 724 Siskiyou Caribou Basin 1982 Comment
  UC455177  Listera convallarioides I. J. Condit 1911-7-15 Siskiyou Shasta Springs to McCloud (Tollroad) Comment
  SEINET13953011 Image available Lithocarpus densiflorus A. A. Heller 1918-1 13035 Siskiyou Mt. Eddy, W of Sisson, on open SE slope, in Jeffrey pine belt 2134 Comment
  CAS-BOT-BC36534  Lithocarpus densiflorus var. echinoides Marion Ownbey; Fred G. Meyer 1940-7-3 2163 Siskiyou 7 mi. northwest of McCloud Comment
  CAS-BOT-BC36533  Lithocarpus densiflorus var. echinoides C. Hart Merriam 1925-10-5 s.n. Siskiyou Western slope between Montgomery Creek and Burney Comment
  HSC64830  Lithophragma affine J. P. Smith 1973-5-5 6384 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UC1076022  Lithophragma campanulatum Herbert L. Mason 1947-5-17 14757 Siskiyou on Scott Mountain Road five mi s Callahan; s of Callahan Comment
  CHSC71327  Lithophragma tenellum Vernon H. Oswald; Lowell Ahart 1998-6-11 9209 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. 1402 Comment
  CAS-BOT-BC325938  Lithospermum californicum A. A. Heller 1905-6-13 8017 Siskiyou Shasta Springs. On the slope between the railroad and the river above Shasta Springs. Comment
  CAS-BOT-BC325939  Lithospermum californicum A. A. Heller 1905-6-13 8017 Siskiyou Shasta Springs. On the slope between the railroad and the river above Shasta Springs. Comment
  CDA40613  Lithospermum californicum Gene Deal 1968-6-11 s.n. Siskiyou Adar Mill prop., Mt Shasta. 0 Comment
  SEINET10497325  Lithospermum californicum Mary Susan Taylor 1980-7-8 Taylor 3088 Siskiyou T40N R4W sec 32, Weed quad; Shastan Trinity Natl Forest; on N side of Castle Laek Rd (39N24), ca. 0.9 mi W of its jct with 40N26 at SE side of Lake Siskiyou. 1036 Comment
  JEPS104884  Lomatium bicolor var. leptocarpum Dean W. Taylor 1993-7-30 13995 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 miles east of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  JEPS80507  Lomatium dissectum var. dissectum Gilbert Muth 1966-7-25 447 Siskiyou Boreal meadow area Marble Mt. Lookout; Marble Mt. Wilderness Area, , Boreal meado 2097 Comment
  UC1424943  Lomatium dissectum var. multifidum Frederick W. Oettinger 1969-7-9 946 Siskiyou slope nw Upper English Lake (high lake basins in vicinity of Eanglish Peak, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1844 Comment
  HSC37444  Lomatium engelmannii John Rehling 1976-5-29 404 Siskiyou Just N of Callahan beside Hwy 3 on steep E facing slope Comment
  UCR51779  Lomatium macrocarpum M. O'Mera 1974-5-27 484 Siskiyou Along road 47N03. 1284 Comment
  UC923121  Lomatium macrocarpum Freed W. Hoffman 1950-7-11 3278 Siskiyou near Cedar Camp; w. Siskiyou Co. 1219 Comment
  CHSC88784  Lomatium nudicaule Jenny Marr 1993-7-1 191 Siskiyou Steamboat Mtn. Shasta Valley Wildlife Area, +/- 20 air miles S of Oregon border and 8 miles E of Yreka. Meadow. 701 Comment
  RSA105399  Lomatium nudicaule G. D. Barbe 1955-7-5 112 Siskiyou 1 mile north of Etna on the middle valley road 884 Comment
  CAS-BOT-BC217792  Lomatium peckianum Alice Eastwood; John Thomas Howell 1934-4-20 1785 Siskiyou 4 miles N. of Weed Comment
  UC875131  Lomatium peckianum Lewis S. Rose 1934-4-20 34234 Siskiyou 4 mi N of Weed 1066 Comment
  POM82357  Lomatium triternatum Geo. D. Butler 1910-5-21 1380 Siskiyou Klamath hills Comment
  CDA38460  Lomatium triternatum var. macrocarpum T. C. Fuller 1958-6-19 1889 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  UC165431  Lomatium vaginatum Geo. D. Butler Apr 18 1909-Apr 30 1909 665 Siskiyou Humbug Mt. Comment
  RSA455709  Lonicera ciliosa Edwin Kline 1920-6-24 s.n. Siskiyou Siskiyou Mts. Comment
  HSC4903  Lonicera conjugialis J. O. Sawyer 1968-6-18 217 Siskiyou Headwaters of Blake's Fork of S Russian Creek. 1738 Comment
  UC1608337  Lonicera conjugialis J. Kierstead 1991-5-8 90 -58 Siskiyou Lakin Dam on the McCloud River Shasta-Trinity National Forests, McCloud Ranger Dist. 1097 Comment
  CAS-BOT-BC240846  Lonicera interrupta C. H. M. 1907-9-26 s.n. Siskiyou Shovel Creek, Klamath Canyon Comment
  UC164467  Lonicera interrupta Geo. D. Butler 1910-6-17 1571 Siskiyou near Yreka Comment
  CDA27194  Lotus crassifolius T. C. Fuller 1967-6-29 16039 Siskiyou South side of Deetz Road, 1 mile west of IS-5 at Black Butte. 0 Comment
  SEINET3131480  Lotus crassifolius var. crassifolius G. D. Butler 1910-6-6 1452 Siskiyou Quartz Valley Comment
  UC80949  Lotus nevadensis var. nevadensis Katharine Brandegee Jul 1887 Siskiyou Sisson Comment
  RSA211170  Lotus oblongifolius William J. Ferlatte 1966-8-18 412 Siskiyou Wooded area 3 miles S of Big Flat. 1585 Comment
  HSC29397  Luetkea pectinata Frederick W. Oettinger 1967-8-17 273 Siskiyou High Lakes Basins in Marble Mountain Wilderness Area, Crapo Peak Ridge. 2195 Comment
  LA208002  Luetkea pectinata Louis C. Wheeler; 1934-8-9 3089 Siskiyou Siskiyou Mountains, Head Jaynes Canyon Comment
  RSA760541  Luetkea pectinata Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63365 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Comment
  UCD113638  Luetkea pectinata J. M. Tucker 1963-7-8 3732 Siskiyou Trail to Marble Valley, ca. 2 miles south of Paradise Lake, Marble Mountain Wilderness Area. 1981 Comment
  CAS-BOT-BC342563  Luina hypoleuca John Thomas Howell 1939-8-6 15104 Siskiyou Elk Mt., Marble Mts. Comment
  CAS-BOT-BC342566  Luina hypoleuca Doris K. Kildale 1928-8-19 6526 Siskiyou Trail between English Lake & Hancock Lake on way to Marble Mt. 2133 Comment
  CAS-BOT-BC201283  Lupinus Charles Piper Smith 1949-4-22 49131 Siskiyou Highway 99 - Hornbrook, 2.2 miles north Comment
  SD106944  Lupinus albicaulis subsp. shastensis D. B. Dunn 1971-8-15 18141 Siskiyou 0.5 mile east of McCloud Ranger Station on Highway 89. Comment
  UC909326  Lupinus albicaulis var. shastensis Dorothy Parker 1948-8-10 180 Siskiyou forks of Etna Creek , Etna Creek (Salmon Mountain) 1176 Comment
  RSA126055  Lupinus albicaulis var. shastensis I. L. Wiggins 1955-7-21 13437 Siskiyou Rush Creek Trail 2 mi. above Mt. View Ranch. 1098 Comment
  CAS-BOT-BC196313  Lupinus albifrons var. flumineus E. A. McGregor 1922-9-30 s.n. Siskiyou Sisson, near depot Comment
  HSC27633  Lupinus andersonii Carl W. Mize 1972-6-23 96 Siskiyou Along trail from Camp Three 610 Comment
  HSC34658  Lupinus andersonii Thomas W. Nelson, J. O. Sawyer 1974-10-29 1742 Siskiyou Beside Rd. to the Little Duck Lake trail head. Comment
  RSA237946  Lupinus andersonii var. andersonii Frederick W. Oettinger 1968-8-19 587 Siskiyou Crapo View Gap, English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  UC144577  Lupinus argenteus A. A. Heller 1905-6-9 8015 Siskiyou Montague; ; Montague, Siskiyou Co. Comment
  UCD106686  Lupinus argenteus Freed W. Hoffman 1948-7-13 2632 Siskiyou Butte Creek road, 4.7 miles north of Tennant. 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
  CHSC99699  Lupinus breweri var. breweri L. P. Janeway 2008-7-24 9480 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 2.1 air km northeast of Condrey Mountain. Rounded ridgetop. 2115 Comment
  CAS-BOT-BC215105  Lupinus croceus Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mountains 1889 Comment
  CAS-BOT-BC215175  Lupinus croceus M. L. Conrad; LeDoux; Kenney 1973-6-2 6981 Siskiyou 6 miles SW of Callahan 1524 Comment
  CAS-BOT-BC215182  Lupinus croceus Alice Eastwood 1912-8-30 1991 Siskiyou Mount Eddy Comment
  CAS-BOT-BC215195  Lupinus croceus A. A. Heller 1915-7-16 12097 Siskiyou N side of Mount Eddy 1524 Comment
  CAS-BOT-BC215197  Lupinus croceus Christopher Davidson 1975-6-5 2681 Siskiyou 0.8 mile N of Scott Mountain Summit on Highway 3 1584 Comment
  CAS-BOT-BC215177  Lupinus croceus Clare B. Hardham 1961-7-3 8067 Siskiyou South of Callahan Woods, Scott Mountains Comment
  HSC14817  Lupinus croceus Dorothy Parker 1949-5-26 Siskiyou Salmon Mtn. Range, along Sugar Creek Rd. (above Eaton Mine). 1677 Comment
  RSA430290  Lupinus klamathensis M. L. Conrad, David B. Dunn, LeDoux 1973-6-1 6968 Siskiyou East facing slope of road cut at the north edge of Hornbrook. 732 Comment
  CAS-BOT-BC26622  Lupinus klamathensis Alice Eastwood; John Thomas Howell 1934-4-20 1775 Siskiyou Junction of Klamath and Shasta Rivers Comment
  RSA582445  Lupinus latifolius subsp. latifolius Louis C. Wheeler 1935-6-13 3573 Siskiyou Shackleford Creek. Marble Mtns. 976 Comment
  HSC32770  Lupinus latifolius subsp. viridifolius Frederick W. Oettinger 1968-9-7 768 Siskiyou Marble Mtn. Wilderness Area, around Tobacco Lake 1890 Comment
  HSC99337  Lupinus latifolius subsp. viridifolius G. L. Clifton 1979-7-1 6191 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  HSC63293  Lupinus latifolius subsp. viridifolius M. A. Baker 1979-7-30 1082 Siskiyou Marble Mtn. Wilderness, .8 k. SE of Tickner (Peak) 2100 Comment
  UC144514  Lupinus latifolius var. viridifolius A. A. Heller 1905-6-1 7928 Siskiyou between Dunsmuir and Upper Soda Springs; ; between Dunsmuir and Upper Soda Spring, Siskiyou Co. Comment
  JEPS105171  Lupinus lepidus var. lobbii Dean W. Taylor 1993-7-30 14021 Siskiyou Highway 3 about 7 miles east of Fort Jones (tributary to Scott River); Klamath National Forest 609 Comment
  UC146924  Lupinus lepidus var. sellulus Harley P. Chandler June, 1901 1727 Siskiyou at, (ridges and meadows near Marble Mountain) Shackleford Canyon; North Coast Ranges, Marble Mountain 1828 Comment
  UC157026  Lupinus lepidus var. sellulus Geo. D. Butler 1908-8-2 368 Siskiyou Shackleford Creek edge Quartz Valley; Shackleford Creek edge of Quartz Valley Comment
  UC598570  Lupinus lepidus var. sellulus C. Hart Merriam 1898-9-30 Siskiyou Mt. Shasta Comment
  UC1713502  Lupinus leucophyllus Geo. D. Butler 1909-5-14 703 Siskiyou Klamath River Comment
  CHSC86669  Lupinus luteolus Jenny Marr 1993-7-1 52 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA583103  Lupinus luteolus Louis C. Wheeler 1935-7-3 3651 Siskiyou Yreka. 793 Comment
  JEPS91330  Lupinus microcarpus var. microcarpus Dean W. Taylor 1987-6-6 9010 Siskiyou Fall River Valley, road from Bieber to Lookout, 0.5 miles south of the Modoc County Line 1249 Comment
  RSA0069563  Lupinus onustus Daisie Huang 2006-8-4 06080405 Siskiyou Castle Lake Road. 1326 Comment
  RSA60881  Lupinus polyphyllus subsp. polyphyllus Frank W. Gould 1938-6-28 487 Siskiyou Near and north of Mt. Shasta (where Highway 97 crosses Butte Creek). 1418 Comment
  SEINET10490225  Lupinus sellulus var. artulus Thomas W. Nelson, Jane P. Nelson 1979-6-15 Nelson 4805 Siskiyou China mtn quad. Serpentine along road to carmen lake .6 mi from jct with state Route 3. 1646 Comment
  CAS-BOT-BC436704  Luzula comosa var. laxa Louis C. Wheeler 1934-6-12 2691 Siskiyou Klamath Forest, North Hungry Creek 1463 Comment
  HSC92867  Luzula divaricata Jennifer Whipple 1976-7-23 1518 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2317 Comment
  HSC670  Luzula parviflora William J. Ferlatte 1967-7-9 687 Siskiyou Kidd Creek Trail 1890 Comment
  HSC68526  Luzula parviflora Maralyn A. Renner 1980-6-24 1021 Siskiyou Tributary stream E Fork Seiad Creek where crossed by FS Rd. 48N20 1021 Comment
  UCD77847  Luzula subcongesta Robert E. Preston 2001-6-23 1554 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W ne 1/4 of se 1/4 Section 14 1828 Comment
  RSA653985  Machaeranthera canescens var. canescens Beecher Crampton 1956-8-22 3864 Siskiyou South slope of Mt. Shasta, Wagon Camp Road, about 4 miles southwest of Panther Meadow 1829 Comment
  RSA170195  Machaeranthera canescens var. shastensis Joseph P. Tracy 1949-9-16 18564 Siskiyou Scott Valley, 1 mile east of Etna 884 Comment
  CAS-BOT-BC342666  Madia citriodora John Thomas Howell 1934-7-4 12410 Siskiyou Lava flow between Timbered Crater and Little Hot Springs Valley Comment
  POM30807  Madia citriodora Geo D. Butler 1910-5-19 1364 Siskiyou Yreka. Comment
  CAS-BOT-BC344540  Madia exigua Lewis S. Rose 1945-6-18 45066 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC344541  Madia exigua Geo. D. Butler 1910-6-6 1536 Siskiyou Quartz Valley Comment
  POM208255  Madia exigua L. C. Wheeler 1934-6-2 2607 Siskiyou Oak Knoll ranger station, Klamath River; Mt. Diablo Mer. 671 Comment
  UC830861  Madia glomerata Louis C. Wheeler 1934-8-24 3216 Siskiyou Trapper Creek Siskiyou Mts., Mt. Diablo Mer. 1859 Comment
  CAS-BOT-BC343433  Madia gracilis Louis C. Wheeler 1934-9-5 3247 Siskiyou Sterling Mt., Siskiyou Mts. 1981 Comment
  CAS-BOT-BC343436  Madia gracilis Wm. Bridge Cooke 1938-7-15 11174 Siskiyou Mt. Shasta 1524 Comment
  CAS-BOT-BC343443  Madia gracilis Carl B. Wolf 1934-7-6 5981 Siskiyou SW. slope of Mt. Shasta. 1/4 mi. E. of Mt. Shasta City 1097 Comment
  JEPS74479  Madia gracilis W. J. Ferlatte 1966-8-3 248 Siskiyou wooded area near public campground; Trinity Alps, Big Flat 1524 Comment
  UC1034071  Madia gracilis W. B. Cooke 1941-7-31 16126 Siskiyou Bear Springs area Mount Shasta Comment
  JEPS40207  Madia gracilis Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sims to Sissons; Region of the Upper Sacramento Comment
  OBI55429  Madia gracilis David J. Keil 1992-7-20 23488 Siskiyou Klamath NF, W of Fort Jones. Along forest Rd 44N45, 2 mi S of Scott river rd 1000 Comment
  CAS-BOT-BC514182  Maianthemum stellatum H. E. Brown 1897-6-1 340 Siskiyou Near Mount Shasta 2133 Comment
  CAS-BOT-BC540131  Malus domestica Wm. Bridge Cooke; V. G. Cooke 1965-7-11 35166 Siskiyou In chaparral, not far from old Sisson Southern Trail, below MacBridge Springs, Mount Shasta Comment
  RSA441246  Marah oregana L. C. Wheeler 1934-7-3 2861 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. (Mt. Diablo Mer.) 1676 Comment
  HSC43365  Medicago minima N. G. Sugihara 1977-5-28 87 Siskiyou Burned hillside, 0.3 mi. toward Sawyer's Bar from Hwy. 96 S of Somes Bar Comment
  CAS-BOT-BC269230  Melica aristata Wm. Bridge Cooke 1938-7-22 11335 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  CAS-BOT-BC269231  Melica aristata C. G. Pringle 1881-8-23 s.n. Siskiyou Mount Shasta 1828 Comment
  UCD88682  Melica subulata H. S. Yates 1936-6-20 5799 Siskiyou Siskiyou Summit. 1371 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
  SBBG30508  Mentzelia D. Myrick 1968-6-22 1996 Siskiyou Lava Beds Nat Monument 1371 Comment
  UC164047  Mentzelia laevicaulis var. laevicaulis Geo. D. Butler 1910-7-17 1789 Siskiyou near Yreka Comment
  CAS-BOT-BC428463  Micranthes aprica Ella Dales Cantelow 1936-5-20 1419 Siskiyou Summit of Scott Mt., Siskiyou-Trinity Co. line 1630 Comment
  UC56720  Micranthes marshallii Harley P. Chandler 1901-6-25 1613 Siskiyou Upper Cottei Valley, near Haypress Mdw; W Siskiyou Co.) near Marbler Mountain Comment
  CAS-BOT-BC349105  Microseris douglasii subsp. tenella Katharine Brandegee No date on label s.n. Siskiyou Sissons Comment
  CAS-BOT-BC349374  Microseris nutans Geo. D. Butler 1910-6-4 1498 Siskiyou Shackleford Creek Comment
  UC128870  Microseris nutans Harley P. Chandler June, 1901 1721 Siskiyou near Marble Mountain; North Coast Ranges, Shackleford Canyon 1828 Comment
  UCD77864  Microseris nutans Robert E. Preston 2002-6-20 1838 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope. 1946 Comment
  RSA237329  Microsteris gracilis subsp. humilis Frederick W. Oettinger 1967-6-24 117 Siskiyou Ridge at Etna Summit between Etna and Sawyers Bar. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC22489  Mimulus breweri J. O. Sawyer 1969-7-3 1048 Siskiyou Above Lipstick Lake 1951 Comment
  UC1736358  Mimulus breweri Dean W. Taylor 1987-6-7 9021 Siskiyou South end Saddle Hills 1645 Comment
  UC26886  Mimulus breweri Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
  RSA237539  Mimulus breweri Frederick W. Oettinger 1967-7-26 186 Siskiyou Stream bank below spring at Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  RSA237551  Mimulus guttatus Frederick W. Oettinger, Robert F. Thorne 1969-8-9 1310 Siskiyou Along trail near Young's Cabin near Abbott's Upper Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  RSA434639  Mimulus lewisii M. B. Dunkle 1945-8-2 9278 Siskiyou Paradise Lake, Klamath National Forest, Marble Mountains. Comment
  RSA237536  Mimulus moschatus Frederick W. Oettinger 1967-8-20 290 Siskiyou Just below spring at Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 2049 Comment
  HSC39821  Mimulus moschatus var. moniliformis J. O. Sawyer 1969-8-1 1661 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  RSA50146  Mimulus moschatus var. moniliformis E. K. Balls 1949-7-9 13935 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. 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
  HSC36466  Mimulus nanus var. nanus J. O. Sawyer 1969-6-2 1009 Siskiyou Summit above Albert Lake 2256 Comment
  JEPS69753  Mimulus nanus var. nanus W. B. and V. G. Cooke 1972-6-30 45418 Siskiyou above Andesite crossing (near Military Pass Road); Mt. Shasta Comment
  JEPS86916  Mimulus nanus var. nanus David M. Thompson 1988-6-2 926 Siskiyou 8 1/2 air mi nne Adin (0.2 mi w of campground loop road of Upper Rush Creek Campground, ca. 2 mi e of Hwy 139-299) 1600 Comment
  HSC34141  Mimulus nanus var. nanus J. O. Sawyer 1969-7-18 1436 Siskiyou S of Jackson Lake 1951 Comment
  HSC22474  Mimulus primuloides J. O. Sawyer 1969-7-11 1337 Siskiyou S Sugar Creek 1829 Comment
  SDSU5486  Mimulus primuloides D. F. Howe 1964-8-4 3930 Siskiyou Medicine Lake, probably Shasta or Modoc National Forest. 2012 Comment
  RSA233712  Mimulus primuloides Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mts., Shasta-Trinity National Forest: ca. 15 air mi. SW of Weed near Kangaroo Lake Campground. Comment
  UC144462  Minuartia douglasii A. A. Heller 1905-6-20 8084 Siskiyou between Igerna and Weed Comment
  UC166123  Minuartia douglasii Geo. D. Butler 1909-5-2 660 Siskiyou near Yreka Comment
  HSC81672  Minuartia nuttallii subsp. gregaria Thomas W. Nelson, Jane P. Nelson 1980-7-17 6081 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  JEPS105407  Minuartia stolonifera Dean W. Taylor 1996-7-7 15820 Siskiyou Scott Mountains; Highway 3 about 3 miles North of Scott Mountain Pass; Klamath National Forest 1402 Comment
  HSC44363  Mitella pentandra Maralyn O'Meara 1973-6-24 232 Siskiyou Statute Lake Creek where it is crossed by Music Creek logging rd., 0.25 mi. from confluence of Statute Lake Creek and Music Creek 1829 Comment
  HSC61889  Mitella pentandra Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  UC30027  Mitella pentandra Harley P. Chandler June, 1901 1555 b Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  RSA183701  Mitella trifida Gilbert Muth 1965-8-18 236 Siskiyou Marble Mts.; trail behind Black Mt. Comment
  HSC74817  Mollugo verticillata J. P. Smith, J. O. Sawyer 1978-7-3 9997 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  UC1980587  Monardella C. Rose Broome, James L. Reveal, Darin Reveal, Crissie Cagle 1978-8-6 2322 Siskiyou CA highway 96, 0.8 mi W of Hamburg, at Mill Creek, opposite the highway from the Klamath River. Comment
  HSC22246  Monardella glauca J. O. Sawyer 1969-7-8 1095 Siskiyou SW slope above Music Creek 2360 Comment
  LA62572  Monardella odoratissima Carl Epling; 1938-6-13 sn Siskiyou near Weed Comment
  UCSC001508  Monardella odoratissima Peter Kamb 1949-8-25 1482 Siskiyou Southwest slope of Mt Shasta above Horse Camp Mt Shasta, Horse Camp 2469 Comment
  UC722274  Monardella odoratissima subsp. glauca C. L. Hitchcock, J. S. Martin 1939-7-6 5213 Siskiyou Takilma-Happy Camp road 1676 Comment
  CAS-BOT-BC222178  Monardella odoratissima subsp. pallida A. A. Heller 1915-8-26 12230 Siskiyou North side of Mt. Eddy 1981 Comment
  HSC2412  Monardella odoratissima subsp. pallida William J. Ferlatte 1966-8-5 339 Siskiyou Caribou Mtn. 2470 Comment
  UC2035914  Monardella odoratissima subsp. pallida W. Bridge Cooke 1940-7-12 15349 Siskiyou Along the Sisson Southern Trail near the S. S. Trail spring, Mount Shasta Comment
  CAS-BOT-BC222179  Monardella odoratissima subsp. pallida Gilbert Muth 1965-8-3 s.n. Siskiyou Marble Valley Comment
  RSA238541  Monardella odoratissima subsp. pallida Frederick W. Oettinger 1967-8-26 332 Siskiyou Along Diamond Lake English Lake trail at a Point N-S tending ridge of Franz Peak, 0.1 mile from Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2088 Comment
  RSA463108  Monardella odoratissima subsp. pallida 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
  SEINET10895198  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 346 Siskiyou Mt. Shasta National Forest, Mt. Shasta. Memorial Hwy. from the 2nd road to Sand Flats going down the Mt., on both sides of the road. Locally frequent at the edge of mixed conifer forest of Abies magnifica, A. concolor, Pinus ponderosa, Pseudotsuga menziesii, Calocedrus decurrens, with Ceanothus sp., Arctostaphylos uva-ursi and A. sp. Comment
  RSA0022797  Monardella villosa Albert M. Vollmer, L. Beane 1951-6-2 43 Siskiyou Klamath River Hwy, between US 99 and Gottville. Comment
  CAS-BOT-BC453477  Monotropa hypopitys Ira L. Wiggins 1955-7-21 3855 Siskiyou In small gulch on Rush Creek Trail, 1.5 mi. above Mt. View Ranch 1036 Comment
  RSA8239  Monotropa hypopitys Elmer I. Applegate 1923-8-18 3855 Siskiyou West slope of Redshale Mountain east of Medicine Lake. 2134 Comment
  UC852057  Montia fontana Louis C. Wheeler 1935-4-13 3415 Siskiyou Siskiyou Mountains, Seiad, Klamath River Klamath River; Siskiyou Mountains, Seiad, Klamath River 426 Comment
  CAS-BOT-BC445110  Montia linearis L. E. Smith 1913-4-22 94 Siskiyou Yreka Comment
  CAS-BOT-BC445111  Montia linearis James P. Smith 1974-5-25 7472 Siskiyou Along Road 8, 4.7 miles west of its junction with State Route 3. 1158 Comment
  HSC49917  Montia linearis Maralyn O'Meara 1974-5-25 410 Siskiyou On Rd. 8, ~4.7 mi. W of junction with Hwy. 3 1159 Comment
  POM101974  Montia linearis Geo. D. Butler 1910-4-25 1240 Siskiyou Dampland Orr. Comment
  JEPS43285  Montia parvifolia W. L. Jepson 1902-7-17 2066 Siskiyou Devil's Backbone, Trinity Summit to Salmon Summit (on boundary between Humboldt and Trinity Counties); Devil's Backbone Comment
  HSC4452  Montia parvifolia William J. Ferlatte 1966-7-7 220 Siskiyou Big Flat across river from camp 1524 Comment
  POM256460  Montia parvifolia Edward Lee 1934-8-13 1054 Siskiyou Indian Creek, 4 miles N of Happy Camp, Klamath National forest. 412 Comment
  CHSC114086  Muhlenbergia andina Jennifer Buck; Deborah Stout 2011-8-23 TL 03 B Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys, near Toad Lake; UTM Zone 10N, 542224E, 4570385N. 2065 Comment
  RSA211319  Muhlenbergia andina William J. Ferlatte 1966-8-3 277 Siskiyou Josephine Lake Basin. Trinity Alps. 1829 Comment
  UC1132354  Muhlenbergia asperifolia H. S. Yates 1936-6-21 5815 Siskiyou 6 mi n Gazelle; Yreka Quadrangle Comment
  UCD86576  Muhlenbergia filiformis A. A. Heller Date Unknown 11704 Siskiyou 6 miles north of Sisson. Near Deetz station. Comment
  UC1265443  Muhlenbergia montana F. W. Oettinger 1968-9-7 753 Siskiyou granite slope at n end Hancock Lake; Salmon Mountains 1950 Comment
  UCD86974  Muhlenbergia richardsonis R. Tofsrud 1950-7-1 s.n. Siskiyou Hwy. 97, between Cougar and Macdoel. Comment
  RSA45312  Myosotis scorpioides Dorothy Parker 1946-6-6 3 Siskiyou (Etna) Scott Valley. 897 Comment
  CAS-BOT-BC83244  Myosurus minimus A. A. Heller 1925-7-25 13900 Siskiyou In a field along the Pacific highway near Edgewood. Comment
  RSA614437  Myosurus minimus K. L. Chambers 1962-4-21 2100 Siskiyou Hwy 99, 5.6 miles S of the center of Yreka Comment
  CHSC71321  Myosurus sessilis Vernon H. Oswald; Lowell Ahart 1998-6-11 9222 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. Along the edge of a vernal pool. 1295 Comment
  UC643295  Nama densa var. parviflora W. Bridge Cooke 1940-6-4 15022 Siskiyou road leading up the n side Mount Shasta from Bolam Station; n side Mount Shasta, from Bolam Station 1371 Comment
  CHSC693  Nama lobbii V. Holt 1932-6-20 Siskiyou Mt. Shasta flats. 1828 Comment
  JEPS94099  Nama lobbii Vernon H. Oswald and Lowell Ahart 1998-9-8 9610 Siskiyou ca. 6 air mi. w. of Mosquito Lake and Whitehorse Flat Reservoir (USFS 3 ca. 0.8 mi. w. of Julia Glover Flat, ca. 2 air mi. n.w. of Indian Spring Mt.) 1127 Comment
  RSA105499  Nasturtium officinale G. D. Barbe 1955-6-29 30 Siskiyou 1 mile east of Callahan 976 Comment
  RSA237995  Navarretia capillaris Frederick W. Oettinger 1969-7-9 939 Siskiyou NW of Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  UCD48378  Navarretia divaricata Robert F. Preston 2002-6-20 1831 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope. 1911 Comment
  JEPS70495  Navarretia tagetina Geo. D. Butler 1909-5-10 740 Siskiyou near Yreka Comment
  UC164455  Nicotiana attenuata Geo. D. Butler 1910-7-1 1618 Siskiyou near Yreka Comment
  RSA80775  Nicotiana attenuata F. W. Peirson 1923-7-19 3837 Siskiyou 20 miles north of Bray. Comment
  UCD126706  Nicotiana attenuata P. Quentin Tomich 1954-6-18 441 Siskiyou Indian Well, Lava Beds National Monument. 1463 Comment
  CAS-BOT-BC60592  Noccaea fendleri subsp. glauca Harley P. Chandler 1901-6-1 1689 Siskiyou North Coast Ranges. Marble Mountain. 2438 Comment
  HSC82555  Noccaea fendleri subsp. glauca Thomas W. Nelson, Jane P. Nelson 1979-5-26 4713 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  CAS-BOT-BC349914  Nothocalais alpestris Gilbert Muth 1966-7-14 389 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mts. 1828 Comment
  RSA237490  Nothocalais alpestris Frederick W. Oettinger 1968-8-17 563 Siskiyou Crapo Ridge trail crossover at Gap; Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC210244  Nothochelone nemorosa Dana York 2011-9-9 3101 Siskiyou Marble Mountain Wilderness. Klamath National Forest, boundary of Marble Mountain Wilderness adjacent to Isinglass Lake 1990 Comment
  HSC99297  Nothochelone nemorosa G. L. Clifton, Terry Griswold 1979-6-28 6113 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  JEPS84081  Nothochelone nemorosa L. R. Heckard with S. D'Alcamo, J. Hickman, W. Roderick 1986-7-16 6402 Siskiyou 5 mi n of town of Seiad Valley (above and w of Lily Pad Lake) 1850 Comment
  HSC59594  Oemleria cerasiformis J. P. Smith, Steve Selva 1970-6-14 3870 Siskiyou Comment
  UC61691  Oenothera elata subsp. hirsutissima Geo. B. Grant September 1902 5225 Siskiyou Sisson Mt. Shasta 914 Comment
  SEINET13694636 Image available Onopordum tauricum T. C. Fuller 1960-4-26 s.n. Siskiyou Dorris Comment
  CAS-BOT-BC355590  Oreostemma alpigenum var. andersonii L. E. Smith 1913-9-1 550 Siskiyou Mt. Eddy 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
  CAS-BOT-BC355601  Oreostemma alpigenum var. andersonii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. Comment
  UC1409452  Oreostemma alpigenum var. andersonii Frederick W. Oettinger 1968-8-1 339 Siskiyou south of Little Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 2042 Comment
  CAS-BOT-BC355591  Oreostemma alpigenum var. andersonii W. R. Dudley 1899-8-26 s.n. Siskiyou Upper Sacramento Comment
  CAS-BOT-BC502908  Orobanche fasciculata G. J. Muth 1969-8-10 1320 Siskiyou Ridge west of Boulder Peak 2377 Comment
  RSA0066440  Orobanche fasciculata Frederick W. Oettinger 1968-8-17 552 Siskiyou Along trail from Tom Taylor cabin to Pine Lake. 2004 Comment
  UC1400367  Orogenia fusiformis Frederick W. Oettinger 1969-7-13 999 Siskiyou campsite at n.e. corner Upper English Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1767 Comment
  HSC19206  Orthilia secunda J. O. Sawyer 1968-6-18 236 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  CAS-BOT-BC458082  Orthilia secunda David D. Keck 1938-8-6 4804 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiytou Mts. on road from Waldo to Happy Camp Comment
  CAS-BOT-BC458095  Orthilia secunda Alice Eastwood 1912-8-30 2044 Siskiyou Mt. Eddy Comment
  CHSC28801  Orthocarpus bracteosus J. D. Jokerst 1978-9-3 159 Siskiyou Five miles east of Weed. Comment
  JEPS4544  Orthocarpus cuspidatus subsp. copelandii Alice Eastwood 1912-8-30 1965 Siskiyou Mount Eddy Comment
  JEPS76186  Orthocarpus cuspidatus subsp. copelandii T. I. Chuang with Fei-Mei Chuang 1977-7-22 7636 Siskiyou 3/4 mi from Deadfall Meadow to Deadfall Lake (Mt. Eddy); , fr Deadfall Meadow to Deadfall Lake 2042 Comment
  UCD123233  Orthocarpus cuspidatus subsp. copelandii Dean William Taylor 1972-7-4 1604 Siskiyou near Lily Pad Lake 3 miles west of Cook and Green Pass. 1981 Comment
  RSA183421  Orthocarpus cuspidatus subsp. copelandii J. M. Tucker, L. K. Mann 1963-8-17 3741 Siskiyou Beside trail from Red Rock Valley to top of ridge to S, and near top of ridge. Marble Mt Wilderness 1860 Comment
  UC1313001  Orthocarpus cuspidatus subsp. copelandii J. M. Tucker and L. K. Mann 1963-8-17 3741 Siskiyou beside trail to top of ridge to s from Red Rock Valley (Marble Mountain Wilderness ARea); Marble Mountain Wilderness Area, trail fr Red Rock Valley 1859 Comment
  UC642517  Osmorhiza berteroi W. Bridge Cooke 1939-6-23 13546 Siskiyou upper Wagon Camp meadow Mount Shasta Comment
  HSC4882  Osmorhiza occidentalis J. O. Sawyer 1968-7-23 617 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  POM82904  Osmorhiza occidentalis Geo. D. Butler 1910-7-7 1668 Siskiyou Shackleford Creek 1220 Comment
  CAS-BOT-BC316750  Packera cana Arthur L. Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 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
  JEPS30369  Packera cana Peter H. Raven 1962-5-30 17901 Siskiyou 8.3 mi n Weed (U.S. Highway 97) Comment
  UC1216702  Packera cana W. B. and V. G. Cooke 1960-8-8 Siskiyou w bank Mud Creek Canyon; fell fields Mt. Shasta Comment
  UC1234603  Packera cana Peter H. Raven 1962-5-30 17901 Siskiyou U.S. Highway 97 8.3 mi n Weed Comment
  HSC24638  Packera cana J. W. Thompson 1936-7-8 13150 Siskiyou Lava Beds National Monument, lava slopes Comment
  CAS-BOT-BC253768  Panicum capillare R. E. Frenkel 1964-10-2 880 Siskiyou On Everitt Memorial Highway 1.0 mile N of McCloud River RR crossing, near Mount Shasta 1219 Comment
  CAS-BOT-BC253769  Panicum capillare Louis C. Wheeler 1934-9-20 3288 Siskiyou Lumgrey Creek, Siskiyou Mountains 670 Comment
  CAS-BOT-BC422852  Papaver rhoeas Lee W. Lenz 1961-6-21 24356 Siskiyou Just north of Gazelle along highway. 914 Comment
  CDA3570  Papaver rhoeas D. Bush 1967-8-2 Siskiyou Southern Pacific Railroad right of way, Hatfield. 0 Comment
  CAS-BOT-BC175510  Parnassia fimbriata Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  CAS-BOT-BC175511  Parnassia fimbriata Gilbert J. Muth 1969-8-11 1361 Siskiyou Slope beneath high point of ridge s. of Boulder Peak Comment
  HSC366  Parnassia fimbriata W. J. Ferlatte 1967-8-20 1060 Siskiyou Trinity Alps, Caribou Basin, Sawtooth Ridge. Steep N facing slope. 2043 Comment
  CAS-BOT-BC175610  Parnassia palustris Louis C. Wheeler 1934-8-14 3127 Siskiyou North side White Mt., Siskiyou Mts. 1767 Comment
  CAS-BOT-BC175611  Parnassia palustris L. E. Smith 1913-9-1 552 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC202842  Paxistima myrsinites H. A. Thomas; J. H. Thomas 1954-7-23 4466 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Vicinity of Blind Horse Creek 1036 Comment
  HSC48271  Paxistima myrsinites K. Stillman, P. Stekel May 1977 512 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  RSA237257  Paxistima myrsinites Frederick W. Oettinger 1969-8-7 1281 Siskiyou Margin of English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UCD107438  Paxistima myrsinites D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-Lake Siskiyou-Gumboot Lake. South Fork (Sacramento River) Road. 1340 Comment
  CHSC1638  Pectiantia pentandra V. Holt 1943-8-13 Siskiyou Marble Mountains. 1828 Comment
  RSA48235  Pectocarya penicillata Roxana S. Ferris, Laura Lorraine 1948-6-12 11785 Siskiyou Outskirts of Etna. Comment
  UC1333319  Pedicularis densiflora Dorothy Parker 1949-5-26 Siskiyou Sugar Creek; Salmon Mountain Range 1676 Comment
  UC1733690  Pedicularis densiflora Frank Gould, Kay H. Beach 1940-5-16 1242 Siskiyou Bald Mt. Comment
  HSC48178  Pedicularis howellii Rich White 1978-7-3 217 Siskiyou Lake E of Sawtooth Trail, N of Dillon Trail 1502 Comment
  RSA749256  Pedicularis racemosa var. racemosa K. M. Meyer, A. Townesmith 2007-7-31 181 Siskiyou Shasta-Trinity National Forest. 8.1 mi. on NF Rd. 17, off US Hwy 97. 1607 Comment
  UC705509  Pellaea brachyptera Marion Ownbey and Fred G. Meyer 1940-7-6 2198 Siskiyou near summit Cayenne Ridge (s side Marble Mt); Marble Mt Comment
  CAS-BOT-BC69319  Pellaea brachyptera W. B. C. 1938-6-17 11036 Siskiyou Along the Sisson Southern Trail 1371 Comment
  HSC26148  Pellaea breweri J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5689 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  JEPS84174  Pellaea breweri L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6423 Siskiyou ca. 5 mi. n. town of Seiad Valley (cirque at head of Hell's Canyon, e. slope Kangaroo Mt.); Kangaroo Mt. 1828 Comment
  SFV3425  Penstemon anguineus D. Myrick 1961-6-21 313 Siskiyou On Deer Camp Road above Oak Knoll Ranger Station on Klamath River. 19 miles west of Highway 99. 1677 Comment
  UC1238940  Penstemon anguineus Freed W. Hoffman 1950-7-13 3492 Siskiyou 1.1 mi ne Baldy Lookout (western Siskiyou County); North Coast Ranges, ne of Baldy Lookout Comment
  UC164354  Penstemon anguineus Geo. D. Butler 1910-7-12 1761 Siskiyou Shackleford Creek 1219 Comment
  SEINET185112 Image available Penstemon azureus C. L. Hitchcock, J. S. Martin 1939-7-6 5230 Siskiyou peak above and north of Divide of Siskiyou Mts., California on Takilma Happy Camp road 1829 Comment
  NY571173  Penstemon azureus var. azureus C. L. Hitchcock 1939-7-6 5230 Siskiyou Peak above and north of Divide of Siskiyou Mountains, on Takilma-Happy Camp road. 1828.8 Comment
  SEINET7073520  Penstemon centranthifolius A. G. Vestal 1963-6-1 s.n. Siskiyou Southeast rim of Shasta Valley. About 0.2 mile northwest of Route 97 on the road to Dwinnell Reservoir (Lake Shastina). UTM Zone 10, 551439mN, 4588002mN. Coordinate datum: NAD27. Comment
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  HSC69368  Penstemon cinicola J. O. Sawyer, J. Cole 1980-7-20 3809 Siskiyou E side of Grouse Hill 2122 Comment
  UCSB51240  Penstemon davidsonii Almanza, Ed 1976-7-13 Siskiyou The "Gate" pass; Mt. Shasta 2438 Comment
  HSC21012  Penstemon deustus D. M. Thomson 1965-8-7 179 Siskiyou Lava Beds National Monument, 1 mi. up cave loop road Comment
  UC922336  Penstemon deustus var. pedicellatus Annie M. Alexander and Louise Kellogg 1949-7-24 5862 Siskiyou trail to Bear Lake Marble Mountains, Paradise Lake (Paradise Lake, Marble Mountains) 1920 Comment
  SD42555  Penstemon gracilentus Carl B. Wolf 1937-8-8 9083 Siskiyou SW. side of Mt. Shasta, along John S. Everett Memorial Highway 2133 Comment
  SD53340  Penstemon gracilentus Darley F. Howe 1962-8-6 3412 Siskiyou Mt. Shasta 2438 Comment
  NY600701  Penstemon gracilentus K. A. Vincent 1987-8-12 4512 Siskiyou Cascade Range, Butte Mountain; along Butte Mountain Road, ca. 3.6 miles west of junction Meiss Lake Road, located 7.2 miles west of junction US 97 on south side of MacDoel. 1828.8 Comment
  NY600717  Penstemon gracilentus E. K. Balls 1952-10-12 18181 Siskiyou 7.2 miles southwest of boundary of Lava Beds National Monument on road from Indian Well Ranger Station to Tennant. 1066.8 Comment
  RSA78949  Penstemon gracilentus E. K. Balls, Percy C. Everett 1952-10-12 18176 Siskiyou 3.1 mi W of Boundary, Lava Beds Nat'l Monument on road from Indian Well Ranger Station to Tenant. 1372 Comment
  UCSB11850  Penstemon humilis Haller, John 1961-6-23 Siskiyou near U.S. Highway 97; 3.8 mi S of Hebron Summit; about 27 mi NE of Weed 1493 Comment
  UCSB23750  Penstemon laetus Breedlove, Dennis 1962-6-10 Siskiyou along Indian Creek Road; 6.8 miles northwest of Happy Camp; Siskiyou Mountains 457 Comment
  HSC36804  Penstemon laetus subsp. laetus J. P. Smith 1974-5-27 7633 Siskiyou Along FS Rd. 47N03 1280 Comment
  HSC61874  Penstemon laetus subsp. sagittatus Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  SEINET7073530  Penstemon laetus var. laetus A. G. Vestal 1963-6-3 s.n. Siskiyou South of Gazelle on the east slope of lava hill on Gazelle-Callahan Road. UTM Zone 10, 535838mN, 4591995mN. Coordinate datum: NAD27. Comment
  JEPS104886  Penstemon laetus var. sagittatus Dean W. Taylor 1993-7-30 13993 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 miles east of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  POM203121  Penstemon laetus var. sagittatus Alice Eastwood, John T. Howell 1934-4-20 1793 Siskiyou 4 miles N of Weed. Comment
  RSA668198  Penstemon laetus var. sagittatus Karl Vincent 1987-6-28 4440 Siskiyou Cacade Range, Mt Shasta; old roadbed in lava flow area along E side of US 97 ca 5.1 mi NE of jct I-5 Bus. Loop in Weed. 1159 Comment
  RSA150583  Penstemon newberryi subsp. newberryi Lee W. Lenz 1961-6-21 24354 Siskiyou Rd to Panther Flat, Mt Shasta. 1585 Comment
  UC1408780  Penstemon newberryi var. newberryi Frederick W. Oettinger 1968-9-6 747 Siskiyou Tom's Lake region Salmon Mountains, Marble Mountain Wilderness Area (Bear Meadow, Marble Mountain Wilderness Area, High Lake Basins in vicinity of English Peak, Salmon Mountains, western Siskiyou County) 2171 Comment
  CHSC106848  Penstemon parvulus Barbara Ertter 1991-7-14 9311 Siskiyou E side 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. 1676 Comment
  NY629979  Penstemon parvulus D. D. Keck 1938-8-6 4820 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mountains, 4 miles south of Oregon line, on road from Waldo to Happy Camp. 1554.5 Comment
  NY629984  Penstemon parvulus A. A. Heller 1916-7-22 12485 Siskiyou East side of Mt. Eddy Comment
  RSA211305  Penstemon procerus subsp. brachyanthus William J. Ferlatte 1966-7-7 195 Siskiyou Caribou Basin. Trinity Alps. 1982 Comment
  JEPS101474  Penstemon procerus var. brachyanthus Dean W. Taylor 1972-7-3 1608 Siskiyou Salmon Mountains, near Little Duck Lake 1981 Comment
  UC2046559  Penstemon purpusii William J. Ferlatte 1974-7-15 1537 Siskiyou Yellow Rose Mine Trail Comment
  CHSC75762  Penstemon roezlii Vernon H. Oswald; Lowell Ahart 1999-7-5 9800 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southeast of Gazelle-Callahan Hwy., 0.6 mi northwest of the highway summit. 1569 Comment
  JEPS11515  Penstemon roezlii Geo. D. Butler 1909-6-22 933 Siskiyou Goosenest Mountain Comment
  UC1090389  Penstemon roezlii Milo S. Baker 1957-6-16 13169 Siskiyou Trip to Scott Mt. after turnoff near Callahan; North Coast Ranges, trip to Scott Mt. Comment
  CHSC71333  Penstemon rydbergii var. oreocharis Vernon H. Oswald; Lowell Ahart 1998-6-11 9208 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. 1402 Comment
  CHSC118594  Penstemon speciosus Richard R. Halse 2016-5-29 9721 Siskiyou Along Hilt Road by its junction with Interstate Hwy. 5, east of Hilt. 939 Comment
  JEPS11509  Penstemon speciosus Milo S. Baker Aug. 1897 150 Siskiyou Top of Medicine Lake Mts. Comment
  HSC21060  Penstemon speciosus R. C. Wunner 1965-6-29 291 Siskiyou California Lava Beds National Monument, 1/2 mi. above Mammoth Crater at Tichner Junction 1616 Comment
  RSA176492  Penstemon speciosus A. A. Heller 1928-6-9 14605 Siskiyou Near Yreka. Comment
  NY661066  Penstemon speciosus subsp. speciosus D. D. Keck 1940-6-13 5169 Siskiyou North side of town on Route 97 Comment
  SEINET13944951 Image available Perideridia bolanderi L. Constance, T. I. Chuang 1967-1 3799 Siskiyou Summit of road on Scott Mountain at Trinity-Siskiyou County line, alt. 5400 ft 1646 Comment
  UC1258150  Perideridia leptocarpa Clifton and Ground 1978-6-27 1458 Siskiyou close to town Callahan (near Wildcat Creek); Etna Quad., near Wildcat Creek 1098 Comment
  UC1390012  Perideridia leptocarpa T. I. Chuang, L. Constance, and M. Sousa 1966-6-15 6045 Siskiyou 1 mi n Cecilville (on way to Sawyers Bar) Comment
  CDA38505  Perideridia oregana T. C. Fuller 1958-6-19 1890 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  UC618605  Perideridia parishii subsp. latifolia W. Bridge Cooke 1938-7-22 11313 Siskiyou Wagon Camp Mount Shasta 1737 Comment
  HSC64425  Persicaria amphibia J. P. Smith, Steve Selva 1970-7-16 4386 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  HSC30471  Persicaria maculosa Frederick W. Oettinger 1969-8-29 1562 Siskiyou Between 4th and 5th river crossing, Main N Fork Trail, Salmon Mtns. Comment
  UC60932  Petasites frigidus var. palmatus Geo. B. Grant Sep 1902 5253 Siskiyou Shasta Springs Mount Shast 609 Comment
  RSA97052  Phacelia corymbosa J. T. Howell 1952-6-14 28339 Siskiyou Five and a half miles from Yreka on road to Fort Jones. Comment
  POM73771  Phacelia egena Geo. D. Butler 1910-5-4 1280 Siskiyou Dry hill near Yreka Comment
  HSC13653  Phacelia hastata var. hastata R. C. Wunner 1965-7-9 371 Siskiyou Lava Beds National Monument Upper Ice Cave 1555 Comment
  UC726921  Phacelia heterophylla subsp. virgata A. A. Heller 1938-7-12 15256 Siskiyou on US Hwy 97 near western base of Deer Mountain Comment
  POM210230  Phacelia heterophylla subsp. virgata H. P. Bracelin 1931-6-20 430 Siskiyou About two miles northwest of Mt. Shasta City. 1052 Comment
  SBBG65340  Phacelia imbricata Mrs. H. P. Bracelin 1931-6-20 430 Siskiyou ca. 2 mi NW of Mt Shasta City 1051 Comment
  CAS-BOT-BC145046  Phacelia leonis Lincoln Constance; Rimo Bacigalupi; Lawrence R. Heckard 1960-7-20 3691 Siskiyou Twin Valley, ca. 5 miles southwest of Poker Flat, Siskiyou Mountains 1554 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
  UC54513  Phacelia linearis H. M. Hall and E. B. Babcock June 1903 4087 Siskiyou near Edgewood; Mount Shasta, Shasta Valley 914 Comment
  UCR93374  Phacelia linearis 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
  UC796504  Phacelia linearis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11832 Siskiyou between Callahan Gazelle; Gazelle Mountain Grade 1499 Comment
  HSC69306  Phacelia mutabilis Maralyn A. Renner 1980-7-24 1983 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  JEPS80514  Phacelia mutabilis Gilbert Muth 1966-7-22 439 Siskiyou Marble Rim Marble Mt. Wilderness Area 2194 Comment
  SD76168  Phacelia mutabilis Helen V. Witham 1969-10-9 594 Siskiyou Mt. Shasta. Disturbed area near McBride Springs Road. 1500 Comment
  RSA238766  Phacelia mutabilis Frederick W. Oettinger 1967-8-13 258 Siskiyou Just below Tom Taylor Cabin Spring. The Salmon Mountains; the High Lakes Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  SEINET2441203  Phacelia pringlei Barbara Ertter, Julie Kierstead; Jim Nelson 1990-7-15 9371 Siskiyou Ca. 1 mi E of Toad Lake at head of Middle Fk Sacramento River, ca. 8 airmiles W of Mt Shasta City. 1981 Comment
  RSA105482  Phacelia pringlei G. D. Barbe 1955-7-26 276 Siskiyou At a spring, north slope of Scott Mountain. 1829 Comment
  RSA120902  Phacelia pringlei Milo S. Baker 1957-6-16 13152 Siskiyou Trip to Scott Mt. after turn off near Callahan. Comment
  HSC67974  Philadelphus californicus J. P. Smith, Steve Selva 1970-6-14 3890 Siskiyou 1 mi. E of Steinacher Creek Rd. on Rd. to Forks of Salmon Comment
  CHSC75734  Philadelphus lewisii Vernon H. Oswald; Lowell Ahart 1999-7-5 9799 Siskiyou Gazelle-Callahan Hwy, 9.0 mi west of Gazelle. 914 Comment
  UC1034620  Philadelphus lewisii unknown 1955-6-27 4 Siskiyou 0.8 mi n Callahan (in dredgings near Hjertagers' Mill); Klamath Mountains 975 Comment
  UC165383  Philadelphus lewisii Geo. D. Butler 1908-8-11 87 Siskiyou Shackleford Creek Quartz Valley Comment
  RSA0057590  Philadelphus lewisii Bonnie C. Templeton 1957-6-22 s.n. Siskiyou Along the Scott River, north of Callahan. Comment
  HSC86559  Phleum alpinum D. K. Imper 1987-7-21 4500 Siskiyou 8 mi. E of Somes Bar, vicinity of Haypress Meadows 1372 Comment
  UC642574  Phleum alpinum W. Bridge Cooke 1939-7-26 13750 Siskiyou above Panther Creek Meadows Mount Shasta; , above Panther Creek Meadows Comment
  UC1037381  Phleum pratense Douglas Barbe 1955-7-5 109 Siskiyou on highway to Fort Jones at Greenview city limits (s side of road); Klamath Mountains 883 Comment
  UC618877  Phleum pratense W. Bridge Cooke 1938-8-19 11528 Siskiyou Lower Bear Spring Mount Shasta (Mount Shasta); , Lower Bear Spring 1524 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
  JEPS26564  Phlox diffusa Lauramay T. Dempster 1961-7-1 1830 Siskiyou from Condry Peak to White Mountain Comment
  HSC81581  Phlox diffusa subsp. diffusa Thomas W. Nelson, Jane P. Nelson 1980-7-17 6085 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  RSA469927  Phlox diffusa subsp. diffusa J. P. Smith 1973-5-5 6424 Siskiyou Along Cook and Green Pass road. Comment
  UC572311  Phlox hoodii subsp. canescens W. H. Mitchell 1936-5-8 Siskiyou Base of Schonclim Butte Dorris Quad. 1432 Comment
  JEPS69987  Phlox speciosa subsp. occidentalis Geo. D. Butler 1909-4-13 650 Siskiyou near Yreka Comment
  POM75065  Phlox speciosa subsp. occidentalis Geo D. Butler 1909-4-13 650 Siskiyou Near Yreka. Comment
  UCR143103  Phoradendron densum L. C. Wheeler 1934-6-26 2789 Siskiyou Siskiyou Mtns., Camp Lowe, Klamath River 765 Comment
  LA41255  Phyllodoce empetriformis Wm. Bridge Cooke; 1938-8-18 11496 Siskiyou Mount Shasta, around the springs above Horse Camp along the summit trail 2499 Comment
  UC1121050  Phyllodoce empetriformis H. A. Jensen 1933-10-5 361 Siskiyou Shasta National Forest, slope of Shastina Shastina; Shasta National Forest, Shastina 2590 Comment
  CDA5831  Physalis longifolia J. R. Grisham 1969-7-28 Siskiyou Mrs. Struble, 3 Mile Lane, Montague. 0 Comment
  HSC4818  Physocarpus capitatus J. O. Sawyer 1968-9-10 760 Siskiyou Young's Meadow on Clear Creek 1402 Comment
  RSA30435  Physocarpus capitatus A. A. Heller 1915-8-24 12205 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in moist soil in the forest. 1189 Comment
  UC1736325  Physocarpus capitatus Dean W. Taylor 1972-7-3 1602 Siskiyou Cook and Green Pass 1371 Comment
  CAS-BOT-BC228582  Picea breweriana Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-20 1935 Siskiyou Russian Wilderness, Klamath National Forest. Along Sugar Creek Trail to Sugar Lake from trailhead off forest road 41N14 1755 Comment
  JEPS25675  Picea breweriana Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7320 Siskiyou on steep grade just above jeep road between Poker Flat and Twin Valley (on rocky ridge-top marking Del Norte-Siskiyou County boundary); Siskiyou Mts. 1664 Comment
  LA86569  Picea breweriana J. M. Tucker; 1963-7-5 3698 Siskiyou Blake's Fork of S Russian Creek (a tributary of Salmon River), ca. 7 mi (airline) E of Sawyer's Bar 1615 Comment
  UC1134169  Picea breweriana R. C. Bacigalupi 1935-10-21 2370 Siskiyou 1/2 mi ne summit of road between Waldo and Happy camp; Siskiyou National Forest, Seiad Quadrangle Comment
  UC705881  Picea breweriana Marion Ownbey, Fred G. Meyer 1940-7-6 2205 Siskiyou summit of Cayenne Ridge on w side Marble Mountain, Cayenne Ridge Comment
  UC813170  Picea breweriana John Thomas Howell Siskiyou Caribou Basin Comment
  SEINET7368239 Image available Picea engelmannii L. E. Berriman 1940-1 Siskiyou Sugar Creek, a tributary of the Scott River (sec. 20 T 40 N R 9 W) Mount diable Meridian. 1433 Comment
  JEPS80563  Pinus albicaulis Gilbert Muth 1965-8-6 177 Siskiyou backside of Black Mountain; Marble Mt. Wilderness Area, Black Mountain 2133 Comment
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Nov 1 2018
  UC1037414  Pinus albicaulis Douglas Barbe 1955-8-5 360 Siskiyou ridge nw of the summit Caribou Mountain (in the Salmon Mountains); Klamath Mountains 2407 Comment
  HSC29671  Pinus attenuata Frederick W. Oettinger 1968-9-3 685 Siskiyou Marble Mtn. Wilderness Area, near ridge top of 'Rusty Ridge' near where it grades into Frang Peak W of Horse Range Lake, Bulk Collection 52 2012 Comment
  UC401410  Pinus attenuata Geo. D. Butler 1908-8-26 518 Siskiyou head of Russian Creek Russian Creek Comment
  UC718127  Pinus attenuata Carl B. Wolf 1934-7-4 5929 Siskiyou Klamath River 0.3 mi below Walker Creek Klamath River 426 Comment
  HSC32576  Pinus balfouriana Steven Lagos 1974-5-26 80 Siskiyou Little Duck Lake and ridge above it, Bulk Collection # 65 2073 Comment
  UC1362102  Pinus balfouriana J. M. Tucker and L. K. Mann 1963-8-18 3770 Siskiyou top of saddle between Marble Mountain and southwest ridge of Black Mountain; Marble Mountain Wilderness 2103 Comment
  NY49383  Pinus balfouriana W. R. Dudley 1901-8-22 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UC401403  Pinus contorta subsp. murrayana Geo. D. Butler 1908-8-3 519 Siskiyou Log Lake Shackleford Creek, Log Lake Comment
  UCD133168  Pinus contorta subsp. murrayana Robert E. Preston 2001-8-26 1760 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, Hemlock Lake. 1883 Comment
  SEINET3873292  Pinus jeffreyi Alv Dan Youngberg 1964-7-25 90 Siskiyou At West Branch Guard Station. Humbolt Meridian.; 0 671 Comment
  CAS-BOT-BC78926  Pinus monticola W. B. C. 1938-9-17 11705 Siskiyou Slopes below Horse Camp 2133 Comment
  UC618741  Pinus ponderosa unknown 1938-9-2 11597 Siskiyou Sisson Southern Trail Mount Shasta (Transition zone forest and chaparral belts around mountain) 1524 Comment
  UC922534  Piperia elongata Annie M. Alexander and Louise Kellogg 1948-9-4 5579 Siskiyou halfway between Somesbar and Forks of the Salmon Rivre; Siskiyou Mountains, Salmon River Comment
  UC54743  Plagiobothrys hispidulus Harley P. Chandler June 1901 1704 Siskiyou near Marble Mountain (Shackleford Canyon); North Coast Ranges, Shackleford Canyon 1828 Comment
  CAS-BOT-BC231005  Plagiobothrys hispidulus Alice Eastwood 1923-5-23 11911 Siskiyou Shasta Springs, railroad tracks to Sisson Comment
  UC164105  Plagiobothrys nothofulvus Geo. D. Butler 1909-4-4 585 Siskiyou near Yreka Comment
  RSA3806  Plantago eriopoda A. A. Heller 1927-8-2 14442 Siskiyou North end of Shasta Valley near the Klamath River Comment
  JEPS25768  Plantago lanceolata Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7463 Siskiyou above and due e Twin Valley (about 13 air mi nw of Happy Camp); Siskiyou Mts. 1584 Comment
  RSA105438  Plantago lanceolata G. D. Barbe 1955-7-1 74 Siskiyou 1.3 miles east of Etna on the Westside Rd. to Callahan. 854 Comment
  HSC68345  Plantago lanceolata J. P. Smith 1973-5-5 6432 Siskiyou Along Cook and Green Pass Rd. Comment
  RSA237557  Plantago lanceolata Frederick W. Oettinger 1968-9-6 737 Siskiyou Along English Peak - Hancock Lake trail on SE-facing gradual slope of Crapo Peak ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2188 Comment
  POM107735  Platanthera leucostachys Geo D. Butler 1910-6-6 1455 Siskiyou Quartz Valley Comment
  RSA126343  Platanthera leucostachys I. L. Wiggins 1955-7-21 13439 Siskiyou Rush Creek Trail 2 mi. above Mt. View Ranch. 1098 Comment
  HSC29095  Platanthera sparsiflora Frederick W. Oettinger 1969-7-17 1050 Siskiyou Salmon Mountains: the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness area; Inlet to Upper English Lake 1921 Comment
  HSC67533  Plectritis congesta J. P. Smith 1973-5-5 6568 Siskiyou Scott Bar along the Scott River Comment
  HSC45201  Pleuricospora fimbriolata J. O. Sawyer, E. Cope 1977-6-21 2978 Siskiyou Near Prescott Peak 1677 Comment
  UC1025120  Poa Douglas Barbe 1955-8-5 362 Siskiyou at summit of trail from Big Flat to Caribou Lake (a point nw of Caribou Mt); Salmon Mts 2407 Comment
  UCD92173  Poa A. A. Beetle; G. L. Stebbins 1942-6-1 3449 Siskiyou 25 miles north of Happy Camp. Comment
  UC196931  Poa annua Geo. D. Butler 863 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC254780  Poa bolanderi Karl Ney 1945-8-5 48 Siskiyou Paradise Lake, Klamath forest 1950 Comment
  CAS-BOT-BC254781  Poa bolanderi Geo. D. Butler 1910-7-12 1750 Siskiyou Shackleford Creek Comment
  RSA238336  Poa bolanderi Frederick W. Oettinger 1968-9-7 759 Siskiyou On hillside going down to Tobacco Lake from Lily Pond. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  RSA238339  Poa bolanderi Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1236 b Siskiyou North west of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1883 Comment
  CAS-BOT-BC255000  Poa bulbosa Dorothy Parker 1949-4-19 75 Siskiyou McConachie Gulch, Scott Valley 883 Comment
  CAS-BOT-BC255001  Poa bulbosa L. E. Smith 1915-5-1 s.n. Siskiyou Yreka Comment
  SEINET7096775 Image available Poa bulbosa A. G. Vestal 1955-5-16 s.n. Siskiyou Open pine country just west of Weed between tail road and highway 99 (I 15). NAD27, 41? deg. 25' 49ao, -122?_ 24' 09ao (converted to WGS84 decimal degrees) UTM Zone 10, 549920mE, 4586493mN. Comment
  UCD90654  Poa bulbosa Beecher Crampton 1969-6-19 8470 Siskiyou 3 miles north of Weed, along Interstate Hwy. 5. Comment
  NY431263  Poa howellii var. chandleri H. P. Chandler 06 1901 1703 Siskiyou North Coast Ranges: ridges and meadows near Marble Mountain 1524.0 Comment
  CAS-BOT-BC247010  Poa nervosa Douglas Barbe 1955-8-1 331 Siskiyou Summit, Mt. Bolivar, Scott Mts. 2468 Comment
  CAS-BOT-BC247011  Poa nervosa Alice Eastwood 1921-7-28 10930 Siskiyou Medicine Lake Comment
  CHSC91355  Poa pratensis subsp. pratensis Lowell Ahart; John Dittes 2005-6-10 12125 Siskiyou Near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  SEINET207114 Image available Poa pringlei Rimo Bacigalupi 1959-7-1 7197 Siskiyou At edge of overhanging lava rock near head of ski lift above Mt. Shasta ski Bowl Lodge; on moriane between ice and snow fields; southwestern slopes of Mt. Sasta; elev. 9300 Comment
  CAS-BOT-BC247533  Poa rhizomata Geo. D. Butler 1910-4-21 1206 Siskiyou Kidder Creek Comment
  POM112569  Poa rhizomata Geo D. Butler 1910-4-21 1206 Siskiyou Kidder Creek Comment
  POM113795  Poa secunda Geo D. Butler 1909-5-22 821 Siskiyou Yreka Comment
  CDA319  Poa secunda subsp. juncifolia G. D. Barbe, T. C. Fuller, J. T. Howell 1980-4-28 2587 Siskiyou Between Old Highway 99 and railroad at Truttman Lane, 3.2 km south of Grenada. Comment
  CAS-BOT-BC243237  Poa secunda subsp. secunda Geo. D. Butler 1909-5-22 821 Siskiyou Near Yreka Comment
  HSC702  Poa secunda subsp. secunda William J. Ferlatte 1967-8-23 1095 Siskiyou Head of Kidd Creek. 2134 Comment
  UC1055818  Poa secunda subsp. secunda Frank W. Gould 1940-5-15 1234 Siskiyou Lower Bull Meadow Goosenest Mt Comment
  SEINET3144935  Polemoniella micrantha G. D. Butler 1910-3-23 1137 Siskiyou Near Yreka Comment
  JEPS84252  Polemonium californicum L. R. Heckard with J. Hickman et al. 1986-7-17 6453 Siskiyou ridge e Kangaroo Peak (s of Lily Pad Lake, ca 5 mi n of town of Seiad Valley) 1900 Comment
  UC933398  Polemonium californicum Annie M. Alexander and Louise Kellogg 1948-9-9 5608 Siskiyou Taylor Lake Siskiyou Mountains, Taylor Lake 1828 Comment
  UC164137  Polemonium carneum Geo. D. Butler 1910-5-15 1344 Siskiyou McAdams Creek Comment
  JEPS69907  Polemonium micranthum Geo. D. Butler 1909-3-16 557 Siskiyou Yreka Comment
  CAS-BOT-BC231355  Polemonium pulcherrimum Wm. Bridge Cooke 1938-9-8 11646 Siskiyou Mount Shasta. North side of Red Butte Comment
  CAS-BOT-BC231357  Polemonium pulcherrimum Wm. Bridge Cooke 1938-9-8 11646 Siskiyou Mount Shasta. North side of Red Butte Comment
  POM301665  Polemonium pulcherrimum Marion Ownbey, Fred G. Meyer 1940-7-4 2186 Siskiyou On ridge above head of Brewer Creek, east side of Mt. Shasta. Comment
  CAS-BOT-BC6422  Polemonium tricolor Harley Pierce Chandler 1901-6-1 1671 Siskiyou North Coast Ranges, Marble Mountain 2438 Comment
  JEPS93852  Polyctenium fremontii var. fremontii Vernon H. Oswald and Lowell Ahart 1998-6-11 9200 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on the s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  POM278329  Polygala californica Lyman Benson 1933-8-9 5679 Siskiyou U.S. 99, Mt. Shasta City, Cascade Mountain range, Sacramento River watershed 915 Comment
  RSA11904  Polygonum amphibium var. stipulaceum Elmer I. Applegate 1923-8-19 3892 Siskiyou Medicine Lake Comment
  CAS-BOT-BC414175  Polygonum aviculare subsp. buxiforme Geo. D. Butler 1908-6-24 181 Siskiyou Unspecified Comment
  POM104639  Polygonum bistortoides Geo. D. Butler 1910-6-5 1477 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC414394  Polygonum californicum Louis C. Wheeler 1934-6-21 2747 Siskiyou West Fork Cottonwood Creek, Siskiyou Mts. 1005 Comment
  RSA466317A  Polygonum davisiae M. B. Dunkle 1945-8-4 9268 Siskiyou Klamath National Forest, Mrable Mts, Paradise Lake Comment
  CAS-BOT-BC414599  Polygonum douglasii Elmer I. Applegate 1923-8-20 3903 Siskiyou Medicine Lake Comment
  UC61060  Polygonum douglasii subsp. douglasii W. A. Setchell, C. C. Dobie 1902-7-26 Siskiyou Sisson Mount Shasta Comment
  CHSC88094  Polygonum douglasii subsp. johnstonii Jenny Marr 1993-7-1 104 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS105006  Polygonum douglasii subsp. johnstonii Dean W. Taylor 1995-6-4 14966 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. 10 miles North of Weed) 1158 Comment
  POM211807  Polygonum hydropiper Louis C. Wheeler 1934-9-20 3287 Siskiyou Lumgrey Creek, Siskiyou Mts. Mt. Diablo Mer. 671 Comment
  POM312533  Polygonum kelloggii H. L. Mason 1948-7-17 13599 Siskiyou Eastern Grass Lake. Comment
  CAS-BOT-BC418596  Polygonum minimum Wm. Bridge Cooke 1938-9-8 11658 Siskiyou Mount Shasta. Squaw Creek Meadows Comment
  CAS-BOT-BC418593  Polygonum minimum Louis C. Wheeler 1934-8-22 3207 Siskiyou Dead Cow Creek, Siskiyou Mts. 1828 Comment
  UC375149  Polygonum phytolaccifolium Geo. D. Butler 1908-8-4 182 Siskiyou Shackleford Creek; head Comment
  CAS-BOT-BC420073  Polygonum polygaloides subsp. kelloggii Doris K. Kildale 1928-7-4 5528 Siskiyou 1 1/2 miles east of summit between Salmon River & Etna. Comment
  HSC78322  Polygonum polygaloides subsp. kelloggii L. P. Janeway 1983-8-6 484 Siskiyou At Poker Flat, at front edge of upper portion of meadow. 1524 Comment
  LA51273  Polygonum shastense Lincoln Ellison; 1928-9-11 510 Siskiyou Mount Shasta, SW slope of mountain 2438 Comment
  SEINET3404053 Image available Polygonum shastense A. A. Heller 1920-8-12 13520 Siskiyou Spring above Horse Camp Comment
  UC1037193  Polygonum shastense Leo Whitney 1934-6-17 1508 Siskiyou Mt. Shasta; n side 3048 Comment
  HSC156  Polygonum spergulariiforme William J. Ferlatte 1966-8-3 249 Siskiyou Big Flat, near public campground 1524 Comment
  HSC61162  Polypodium hesperium Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  JEPS73742  Polypogon interruptus George D. Butler 1908-6-25 481 Siskiyou along creek Butler's Ranch near Yreka Comment
  HSC41044  Polystichum imbricans J. O. Sawyer 1970-3-4 2063 Siskiyou N of Idlewild Campground 762 Comment
  HSC64681  Polystichum imbricans J. O. Sawyer 1977-7-7 3040 Siskiyou N of Little Duck Lake 2073 Comment
  JEPS24014  Polystichum imbricans subsp. imbricans Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6875 Siskiyou 2 mi w Seiad Valley (in canyon of Portuguese Creek, drainage of Klamath River) 396 Comment
  SD82169  Polystichum lemmonii H. H. Tracy 1913-8-26 Siskiyou Mt. Eddy trail, near Mt. Shasta 1525 Comment
  HSC61976  Polystichum lemmonii Al Hobart 6 Aug [year missing] Siskiyou Preston Pk. 1982 Comment
  UC1593364  Polystichum munitum Alan Smith with Chris Richards, C. Don Macneill, Janet Sowers, Bob Martin, Pat Toops, and Barney 1992-6-6 2542 Siskiyou at base of entrance Fossil Cave; Lava Beds Nat'l Monument 1280 Comment
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May 30 2013
  POM182463  Polystichum munitum Geo D. Butler 1900-8-24 245 Siskiyou Russian Creek. Comment
  CAS-BOT-BC72510  Polystichum scopulinum Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  CAS-BOT-BC72517  Polystichum scopulinum Louis C. Wheeler 1934-8-26 3225 Siskiyou Trapper Creek, Siskiyou Mts. 1981 Comment
  RSA85049  Polystichum scopulinum L. C. Wheeler 1934-8-6 3059 Siskiyou Siskiyou Mountains: Rocky Gulch off Jaynes Canyon. Mt. Diablo Mer. 1829 Comment
  HSC19175  Populus tremuloides J. O. Sawyer 1968-7-23 603 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 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
  HSC18933  Potentilla breweri J. O. Sawyer 1969-7-18 1370 Siskiyou E of Waterdog Lake 2012 Comment
  JEPS57173 Image available Potentilla cristae L. R. Heckard 1967-8-13 1702 Siskiyou Summit Region of Mount Eddy 2743 Comment
  CAS-BOT-BC142032  Potentilla drummondii Doris K. Kildale 1928-8-19 6524 Siskiyou English Lake - head of north fork of Salmon River 1828 Comment
  JEPS82728  Potentilla drummondii Wayne Roderick 1983-7-10 Siskiyou Doe Flat near the Del Norte County line; Doe Flat 1143 Comment
  CHSC1570  Potentilla flabellifolia V. Holt 1942-8-6 Siskiyou Caribou Lake, Trinity Alps. 2438 Comment
  HSC295  Potentilla flabellifolia William J. Ferlatte 1966-8-17 390 Siskiyou Caribou Basin 1982 Comment
  RSA237236  Potentilla flabellifolia Frederick W. Oettinger 1967-7-8 159 Siskiyou Wet stream bank, just below Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC77100  Potentilla gracilis var. fastigiata K. T. Stillman 1976-7-30 338 Siskiyou Marble Mountain Wilderness Area, Elk Valley Comment
  UC420577  Potentilla gracilis var. fastigiata W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson , Sisson (Mount Shasta) Comment
  RSA237628  Potentilla gracilis var. fastigiata Frederick W. Oettinger 1968-9-10 816 Siskiyou Horse Range Lake meadow. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UCR66582  Potentilla millefolia Milo S. Baker 1955-6-26 13080 Siskiyou Shasta Valley. Between Weed and Gazelle 915 Comment
  UCD20355  Potentilla millefolia Jodi Notah 2002-5-30 s.n. Siskiyou Siskiyou county, 2 miles south of Grenada, just west of Interstate 5. Comment
  HSC4473  Primula suffrutescens William J. Ferlatte 1966-8-5 354 Siskiyou Caribou Mtn. 2470 Comment
  CAS-BOT-BC516389  Prosartes hookeri Alice Eastwood 1923-5-27 11941 Siskiyou Shasta Springs on road to McCloud Comment
  HSC67709  Prunella vulgaris subsp. lanceolata John Palmer 1980-7-24 609 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC44577  Prunella vulgaris subsp. lanceolata Laura Witherspoon 1977-7-30 Siskiyou Edge of Flint Valley 1341 Comment
  RSA238553  Prunella vulgaris var. lanceolata Frederick W. Oettinger 1969-8-18 1422 Siskiyou Local population in wet meadow near spring hole just west of the Horse Range Lake outlet. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1822 Comment
  UC1408768  Prunella vulgaris var. lanceolata Frederick W. Oettinger 1969-8-18 1422 Siskiyou just w Horse Range Lake outlet (the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area, western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 1821 Comment
  HSC25760  Prunus emarginata D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19532 Siskiyou Snowman's Hill Summit 3 mi. W of McCloud on Hwy. 89 Comment
  UC1128304  Prunus emarginata M. H. Mitchell 1936-6-8 Siskiyou Irish Bridge, Modoc Lava Beds National Monument Irish Bridge; Modoc Lava Beds National Monument, Irish Bridge 1417 Comment
  UC1368677  Prunus persica W. B. and V. G. Cooke 1968-7-4 39264 Siskiyou Mount Shasta, along Everett Memorial Hwy Mount Shasta 1310 Comment
  CAS-BOT-BC154675  Prunus subcordata Wm. Bridge Cooke 1938-8-5 11437 Siskiyou [MacBride] McBride Spring road Comment
  CAS-BOT-BC154677  Prunus subcordata Geo. D. Butler 1910-4-12 1170 Siskiyou Yreka Creek Comment
  CAS-BOT-BC159451  Prunus virginiana var. demissa A. A. Heller 1905-6-5 7965 Siskiyou Between Shasta Retreat and Shasta Springs. Just below Shasta Springs, on the Sacramento, growing near the water. Comment
  CAS-BOT-BC162039  Pseudelymus saxicola John Thomas Howell 1952-6-14 28353 Siskiyou 7 miles east of Callahan on road to Gazelle. Comment
  UC1409285  Pseudognaphalium thermale Frederick W. Oettinger 1969-8-19 1449 Siskiyou ridge from Arrow Peak to King David Peak (English Lake Basin, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English L 1935 Comment
  CAS-BOT-BC239814  Pseudoroegneria spicata Milo S. Baker 1955-6-26 1383 Siskiyou Shasta Val., bet. Weed and Gazelle 914 Comment
  UCD91516  Pseudoroegneria spicata W. E. Moon 1958-5-29 s.n. Siskiyou Along State Hwy. 97, 12 miles NE of Weed. Comment
  UC593544  Pseudoroegneria spicata subsp. spicata E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1944 Siskiyou about 8 mi s of Yreka 822 Comment
  HSC91396  Pseudostellaria jamesiana Jennifer Whipple 1976-7-9 1380 Siskiyou Dale Creek drainage on the N face of Mount Eddy. 2195 Comment
  UC1185304  Pseudostellaria jamesiana H. E. Brown 1897-6-10 Siskiyou near Sisson; near Sisson 1083 Comment
  JEPS82432  Pterospora andromedea Gilbert Muth 1966-7-29 464 Siskiyou Marble Valley Marble Mt. Wilderness Area (by waterfall) 1828 Comment
  RSA240086  Pterospora andromedea Frederick W. Oettinger 1969-8-21 1482 Siskiyou Trail from Abbott's Lake to Cold Springs. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1524 Comment
  SEINET924200  Pterospora andromedea Carl B. Wolf 1934-1 6019 Siskiyou SW slope of Mt. Shasta, 4 mi NW of Wagon Camp 1524 Comment
  UC1251647  Pteryxia terebinthina var. californica T. Call and V. Call 1964-6-22 2280 Siskiyou below lava flows northwest of Mt Shasta 1066 Comment
  UC57350  Pteryxia terebinthina var. californica J. G. Lemmon and wife 1889-6-27 45 Siskiyou Edgewood, Siskiyou County Comment
  SD104903  Purshia tridentata Darley Howe 1979-6-26 Siskiyou Military Pass Rd, 3 mi. SE of Ca. Hwy 97, near Granada Comment
  RSA30411  Purshia tridentata var. tridentata A. A. Heller 1916-6-23 12439 Siskiyou Near Black Butte, N of Sisson. 1128 Comment
  HSC99616  Pyrola aphylla J. O. Sawyer 1969-7-11 856 Siskiyou Ravine above C.C.C. road. 1280 Comment
  RSA0082810  Pyrola aphylla M. B. Dunkle 1944-8-25 9169 Siskiyou Hungry Creek. 1768 Comment
  SEINET8334428  Pyrola aphylla L. E. Detling 1947-6-3 6047 Siskiyou Happy Camp, Klamath Nat'l. Forest. 335 Comment
  UC876211  Pyrola asarifolia Alice Eastwood 1912-7-17 1175 Siskiyou Sisson Comment
  RSA240092  Pyrola californica Frederick W. Oettinger 1969-8-9 1322 Siskiyou At the stream crossing that is crossed approx. 0.6 mi. before the last crossing of the North Fork River en route up to Abbotts Upper Cabin on the main trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak., Marble Mountain Wilderness Area. 1357 Comment
  CAS-BOT-BC462543  Pyrola dentata Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Near Cedar Lake, Trinity Mts. 1828 Comment
  HSC18922  Pyrola dentata J. O. Sawyer 1969-6-11 820 Siskiyou Near C.C.C. road, in Horse Range Creek drainage 1360 Comment
  HSC67673  Pyrola minor John Palmer 1980-7-24 594 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC19196  Pyrola picta J. O. Sawyer 1968-7-10 462 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  RSA0084305  Pyrola picta Diana D. Jolles, Erik M. Beaston 2011-7-3 440 Siskiyou Shasta-Trinity National Forest (Shasta Unit). Area is about 5 miles south-southeast of Bartle. On 39N06 road between Highway 89 and Pacific Crest Trail, just past Bartle Gap. 1478 Comment
  UC166181  Pyrola picta Geo. D. Butler 1910-6-17 1575 Siskiyou Humbug Mountain 1219 Comment
  UC618902  Pyrola picta W. Bridge Cooke 1938-5-8 11454 Siskiyou Mount Shasta, Sisson Southern Trail Sisson Southern Trail; Mount Shasta, Sisson Southern Trail 1828 Comment
  JEPS24007  Pyrrocoma racemosa var. pinetorum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6868 Siskiyou about 3 mi n (below) Scott Mtn. road summit (on road to Callahan) 1219 Comment
  CAS-BOT-BC45746  Quercus W. R. Dudley 1899-8-15 s.n. Siskiyou near trail to Black Fox Mountains Comment
  CHSC42066  Quercus agrifolia var. agrifolia Marci Romano 1986-4-3 1 Siskiyou 1 mi w of Etna on Sawyer's Bar rd. 899 Comment
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Jan 14 2016
  UCD82871  Quercus chrysolepis Rodney Gale Myatt 1971-9-22 1192 -13 Siskiyou Along Salmon River, southeast of Somes Bar, and northeast of Hoopa Reservation. 335 Comment
  CAS-BOT-BC94645  Quercus garryana Doris Overman 1919-9-1 s.n. Siskiyou Yreka Comment
  CAS-BOT-BC94648  Quercus garryana Doris K. Kildale 1928-8-18 6430 Siskiyou North Fork Salmon River, at Finley Camp Comment
  HSC27242  Quercus garryana J. P. Smith, J. O. Sawyer 1971-9-18 4815 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  UC142637  Quercus garryana Copeland 1903-7-14 3522 Siskiyou Klamathon Comment
  CAS-BOT-BC62755  Quercus garryana var. breweri John Thomas Howell 1934-7-4 12384 Siskiyou Lava flow between Timbered Crater and Little Hot Springs Valley Comment
  CAS-BOT-BC62765  Quercus garryana var. breweri Marion Ownbey; Fred G. Meyer 1940-7-8 2229 Siskiyou summit of Siskiyou Mountains, 21 miles north of Happy Camp Comment
  SEINET5644358  Quercus kelloggii Alv Dan Youngberg 1964-7-18 91 Siskiyou Elevation 2100 feet. Growing at West Branch Guard Station. Humbolt Meridian.; 0 640 Comment
  CDA22028  Quercus sadleriana D. G. Kelch 2007-7-25 7 .499 Siskiyou Indian Creek Rd., just S of Greyback Summit. Comment
  HSC69019  Quercus sadleriana Maralyn A. Renner 1980-7-24 2016 Siskiyou Lily Pad Lake 1768 Comment
  POM106235  Quercus sadleriana Geo. D. Butler 1908-8-4 234 Siskiyou West fork of Wooly Creek. Comment
  SBBG25343  Quercus sadleriana J. M. Tucker 1963-7-9 3735 Siskiyou ca. 0.75 mi E of Marble Valley Guard Stn, upper Cyn Crk, Marble Mtn Wilderness 1615 Comment
  SDSU6985  Quercus sadleriana D. F. Howe 1969-9-12 4676 Siskiyou Just south of Little Grayback. 1524 Comment
  UC1046526  Quercus sadleriana R. Bacigalupi, L. Constance, J. P. Tracy, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-16 3454 Siskiyou about 1.5 mi below and se saddle at summit of Takilma-Happy Camp Road Comment
  UC1313014  Quercus sadleriana Sandra L. Holloway 1963-10-12 77 Siskiyou junction Red Rock Valley trail and Canyon Creek trail; Marble Mountain Wilderness Area 1341 Comment
  UCD47261  Quercus sadleriana John M. Tucker 1972-8-8 4247 B Siskiyou (Q. garryana Hook. var. breweri (Engelm.) Jepson). California, Siskiyou Co.; Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 mi. west-southwest of Marble Valley Guard Station (extreme southeast corner of Section 20, R.11W., T.42N. 1828 Comment
  UCSB1236  Quercus sadleriana Bacigalupi, Rimo; Constance, Lincoln; Tracy, J. 1951-6-16 Siskiyou About 1.5 miles below and southeast of saddle at summit of Takilma-Happy Camp Road Comment
  SEINET13953860 Image available Quercus sadleriana D. K. Bailey 1972-1 Siskiyou Understory shrubs beneath Picea breweriana, cf. NE slope above O'Brien to Happy Camp road 1311 Comment
  HSC69277  Quercus vacciniifolia Maralyn A. Renner 1980-9-1 2678 Siskiyou Bear Mtn. 1936 Comment
  RSA13713  Quercus vacciniifolia Louis C. Wheeler 1934-8-8 3066 Siskiyou West Fork of Beaver Creek, Siskiyou Mountains. 1677 Comment
  RSA237789  Quercus vacciniifolia Frederick W. Oettinger 1969-8-16 1399 Siskiyou Southwest of Wiregrass Meadow below English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UCR45373  Quercus vacciniifolia Barry Silver 1986-5-24 636 Siskiyou West Branch Campground, Klamath National Forest, 7 mi northwest of Happy Camp 671 Comment
  UCD135381  Raillardella pringlei Bruce G. Baldwin 1986-7-21 617 Siskiyou Shasta-Trinity National Forest, around 0.25 miles north of Gumboot Lake along gumboot Creek (near Mount Eddy). Comment
  SEINET7042790  Ranunculus californicus A. G. Vestal 1955-5-17 s.n. Siskiyou Meadow at Oxbow west of Scott River. 9.5 miles south of Fort Jones. Etna quadrangle UTM Zone 10 508671mE, 4590390mN. Comment
  JEPS60720  Ranunculus eschscholtzii Geo. D. Butler 349 Siskiyou summit above Cold Spring; Wooly Creek 1828 Comment
  UC1107164  Ranunculus flabellaris Dorothy Parker 1950-4-22 403 Siskiyou slough near Fay Lane; Siskiyou Mountains, Scott Valley 914 Comment
  HSC28743  Ranunculus gormanii Frederick W. Oettinger 1969-7-14 1015 Siskiyou Marble Mtn. Wilderness Area, 100 ft. down outlet stream at NE corner of Charmaine Lake 1905 Comment
  POM100034  Ranunculus occidentalis Geo. D. Butler 1909-3-14 507 Siskiyou Dry ditch near Yreka Comment
  SEINET12100634  Ranunculus orthorhynchus Unknown 1936-1 13306 Siskiyou Hornbrook Comment
  UC1025102  Ranunculus uncinatus Leo Whitney 1934-6-24 1851 Siskiyou near Tennant; Antelope Creek 1463 Comment
  UC747763  Rhamnus Isabelle C. Kimber 1934-6-9 20 Siskiyou just above Sacramento River confluence with Ney Creek (Steelbridge Camp, Sacramento River); Sacramento River 731 Comment
  HSC100305  Rhamnus ilicifolia J. P. Smith, & J. O. Sawyer 2011-6-25 13278 Siskiyou Along Eastside Callahan - McConaughy Gulch Rd., N of Callahan. Comment
  POM136617  Rhamnus rubra E. B. Copeland 1903-9-6 3863 Siskiyou Mt. Eddy. Comment
  CAS-BOT-BC200744  Rhus aromatica Mrs. H. C. Cantelow 1936-5-20 1463 Siskiyou Cottonwood Creek, near Oregon line Comment
  POM127811  Rhus trilobata var. quinata L. R. Abrams 1922-8-6 9909 Siskiyou Klamath River 6 miles below Hornbrook Comment
  POM85301  Rhus trilobata var. quinata Geo. D. Butler 1910-4-1 1151 Siskiyou [No further location information.] Comment
  CAS-BOT-BC92410  Ribes aureum var. aureum Geo. D. Butler 1910-6-12 1559 Siskiyou Yreka Creek. Comment
  JEPS48555  Ribes binominatum Hilda W. Grinnell 1935-6-8 Siskiyou head Dogget Creek (Deer Creek Ranger Station); Siskiyou Mts. 1798 Comment
  RSA0024868  Ribes cereum Louis C. Wheeler 1934-6-29 2825 Siskiyou Soda Creek. Sterling Mtn. Siskiyou Mtns. 1280 Comment
  SEINET13942420 Image available Ribes cereum Frank W. Gould 1940-1 1254 Siskiyou Bald Mountain on road from Mt. Hebron to Montague,in pine woods. 5,500 ft. 152 Comment
  HSC96414  Ribes lacustre Gordon Leppig, J. Kalt 1996-7-9 384 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  HSC98168  Ribes lacustre J. O. Sawyer 1969-7-10 1307 Siskiyou Along S Sugar Creek 2012 Comment
  CAS-BOT-BC173394  Ribes lobbii Geo. D. Butler 1910-7-14 1782 Siskiyou Shackleford Creek Comment
  JEPS25643  Ribes lobbii Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7282 Siskiyou meadow at Poker Flat Poker Flat 1536 Comment
  RSA237677  Ribes marshallii Frederick W. Oettinger 1968-8-4 387 Siskiyou Along trail north of NE Crapo Peak Ridge. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  CAS-BOT-BC219270  Ribes nevadense Alice Eastwood 1921-7-24 10777 Siskiyou Castle Lake Comment
  CAS-BOT-BC219271  Ribes nevadense Ira L. Wiggins 1955-7-25 13508 Siskiyou Ditch head on Rush Creek, Mountain View Ranch 1005 Comment
  HSC671  Ribes nevadense William J. Ferlatte 1967-7-9 688 Siskiyou Kidd Creek Trail 1860 Comment
  UC144316  Ribes nevadense A. A. Heller 1905-6-16 8047 Siskiyou Sisson Comment
  SEINET10970387  Ribes roezlii var. roezlii Mary Merello 1993-6-23 Merello 701 Siskiyou Shasta-Trinity National Forest. Along county road A-10 (also named Everitt Memorial Highway) climbing Mt. Shasta. Mixed conifer, sub-alpine vegetation, volcanic soils; Aibes and Arctostaphylos dominant species (mile 10 marker 6650 ft.) 1960 Comment
  JEPS49242  Ribes sanguineum var. glutinosum Geo. D. Butler 1909-4-24 670 Siskiyou Cherry Creek Comment
  UCR101149  Ribes sanguineum var. sanguineum L. C. Wheeler 1959-7-19 7584 Siskiyou Saloman and Marble Mtns, Black Bear Creek, between Sawyers Bar and Cecilville 1372 Comment
  CAS-BOT-BC173914  Ribes velutinum T. Howell 1889-4-15 s.n. Siskiyou Hornbrook Comment
  UCR17261  Ribes velutinum Frank C. Vasek 1975-6-29 750629- 03 Siskiyou 4.3 mi SW of Gazelle Comment
  CDA25590  Ribes viscosissimum T. C. Fuller 1962-6-13 8978 Siskiyou Road to Medicine Lake & Toad Lake, 6 miles northeast of Bartle. 0 Comment
  HSC23472  Ribes viscosissimum J. O. Sawyer 1968-6-25 293 Siskiyou NE of N Horse Range Lake 2012 Comment
  HSC29416  Ribes viscosissimum Frederick W. Oettinger 1969-7-9 934 Siskiyou Vicinity of English Peak, Marble Mountain Wilderness Area; NW of Upper English Lake 1921 Comment
  HSC61943  Ribes viscosissimum Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  JEPS74540  Ribes viscosissimum W. J. Ferlatte 1966-7-6 187 Siskiyou Caribou Basin Trinity Alps 1981 Comment
  UC11679  Ribes viscosissimum Harley P. Chandler June 1901 1597 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  JEPS86151  Ribes viscosissimum Wayne Roderick 1958-4 Siskiyou ca. 0.1 mi e Salmon Mountain Summit (w of Etna) 1828 Comment
  RSA716050  Rigiopappus leptocladus L. Ahart, John Dittes 2005-6-10 12086 Siskiyou North of the rock fence, about 200 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  CHSC65221  Rorippa columbiae V. Parker; J. Cooper, M. Ulloa-Cruz 1994-5-25 600 Siskiyou Shasta-Trinity National Forests. McCloud Ranger District. Dry Lake area. Comment
  POM95687  Rorippa curvisiliqua Geo. D. Butler 1908-7-16 118 Siskiyou Yreka Creek. Comment
  UC1871395  Rosa Barbara Ertter 2006-7-30 18749 b Siskiyou Just N of Yreka on Rt 263, below roadbed in partial shade of isolated tree. 762 Comment
  CAS-BOT-BC147470  Rosa californica Annie M. Alexander; Louise Kellogg 1911-6-13 128 Siskiyou 6 miles N.W. of Callahan Comment
  UC375394  Rosa californica Geo. D. Butler 1908-9-6 1045 Siskiyou dry land near Yreka Comment
  UC164064  Rosa eglanteria Geo. D. Butler 1910-7-31 1802 Siskiyou dry land near Yreka Comment
  CAS-BOT-BC146742  Rosa gymnocarpa John Thomas Howell 1939-8-4 15036 Siskiyou Between Elk Mt. and Marble Rim, Marble Mts. Comment
  HSC19383  Rosa gymnocarpa J. O. Sawyer 1968-6-25 338 Siskiyou 1646 Comment
  UC914728  Rosa gymnocarpa A. A. Heller 1915-8-24 12203 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 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
  JEPS109651  Rosa spithamea Dean W. Taylor 2002-6-29 18204 Siskiyou Big Carmen Lake, Scott Mountain 1676 Comment
  UC1736458  Rubus lasiococcus Dean W. Taylor 1972-7-3 1651 Siskiyou Cook & Green Pass 1371 Comment
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May 5 2013
  CAS-BOT-BC147984  Rubus leucodermis Doris K. Kildale 1928-7-1 5328 Siskiyou Forks of Salmon Comment
  UC829536  Rudbeckia klamathensis Alice Eastwood 1912-8-30 2047 Siskiyou Mt. Eddy Comment
  UC850502  Rumex acetosella A. A. Heller 1915-8-24 12209 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  CHSC71495  Rumex crispus Vernon H. Oswald; Lowell Ahart 1998-7-21 9345 Siskiyou Northeast of Weed and east of Grass Lake on the south side of Tennant Rd. 0.2 mi southeast of Old State Hwy. to Bray and on the east side of the intermittent stream draining Dry Lake. 1402 Comment
  JEPS39874  Rumex crispus Geo. D. Butler 1908-6-25 513 Siskiyou near Yreka (Butler's Ranch) Comment
  UC618814  Rumex crispus W. Bridge Cooke 1938-7-15 11198 Siskiyou Bear Springs Mount Shasta 1524 Comment
  CAS-BOT-BC433404  Rumex crispus H. E. Brown 1897-6-1 379 Siskiyou Near Sisson 1082 Comment
  LA208575  Salix eastwoodiae J. M. Tucker; 1963-7-7 3730 -A Siskiyou Marble Mountain Wilderness Area, in vicinity of Paradise Lake, at base of Kings Castle on E side 1981 Comment
  UC481745  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1931-6-22 477 Siskiyou 125 km n Red Bluff (Pit River at Gibson flag station (R.R. stop Sta.)) 450 Comment
  HSC76988  Salix jepsonii K. T. Stillman 1976-6-25 77 Siskiyou Marble Mtn. Wilderness Area 1799 Comment
  POM229947  Salix laevigata Louis C. Wheeler 1935-5-11 3473 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  HSC19977  Salix lasiandra R. C. Wunner 1965-8-14 427 Siskiyou Lava Beds National Monument, N boundary near Hovey Pt. 1220 Comment
  UCSB10876  Salix lasiandra Bracelin, H. 1931-6-19 Siskiyou North base of Mount Eddy, about 10 km. northwest of Shasta City 1200 Comment
  UC164037  Salix lasiandra subsp. lasiandra Geo. D. Butler 1910-4-13 1171 Siskiyou Yreka Creek Comment
  UC164393  Salix lasiandra subsp. lasiandra Geo. D. Butler 1909-4-20 1077 Siskiyou along creek near Yreka (opposite <Mc__ys> old dam) Comment
  POM107146  Salix lasiolepis Geo. D. Butler 1908-9-20 1104 Siskiyou Yreka Creek. Comment
  POM107149  Salix lasiolepis Geo. D. Butler 1909-3-14 1080 Siskiyou Yreka Creek. Comment
  UC375225  Salix lasiolepis Geo. D. Butler 1909-3-13 1081 Siskiyou along creek near Yreka (Butler's Ranch, just below junction of Hamburg Gulch) Comment
  UC482246  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 420 Siskiyou about 16 km nw Shasta City (ne side of mt., edge of stream above Metcalf ranch house); Mount Eddy 1515 Comment
  CAS-BOT-BC128303  Salix lasiolepis var. lasiolepis Doris K. Kildale 1929-4-27 7851 Siskiyou Cecilville, upper South Fork of Salmon River Comment
  CAS-BOT-BC128306  Salix lasiolepis var. lasiolepis A. A. Heller 1915-7-18 12131 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1188 Comment
  UC481735  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou ca. 21 km. n.w. Shasta City (n. side Mt. Eddy, 180 m. below Dobkin's Lake); Mt. Eddy 1770 Comment
  SBBG57821  Salix lucida subsp. lasiandra Mrs. H. P. Bracelin 1931-6-21 473 Siskiyou N base of Mt Eddy, ca. 13 km NW of Shasta City 1110 Comment
  CAS-BOT-BC125693  Salix melanopsis Mrs. H. P. Bracelin 1931-6-22 475 Siskiyou Flume Creek, tributary of Pit River, near highway at Flume Creek Camp 555 Comment
  CAS-BOT-BC125696  Salix melanopsis Alice Eastwood 1921-7-25 10829 Siskiyou Bigelows, McCloud River Comment
  CAS-BOT-BC126126  Salix scouleriana L. S. Smith 1931-6-7 18 Siskiyou Mt. Shasta 1066 Comment
  CAS-BOT-BC126157  Salix scouleriana L. E. Smith 1914-3-1 s.n. Siskiyou Sisson near water tank of McCloud R.R. Comment
  CAS-BOT-BC129034  Salix scouleriana Geo. B. Grant 1902-9-1 5168 Siskiyou Sisson 1219 Comment
  CAS-BOT-BC129044  Salix scouleriana W. R. Dudley 1899-8-8 s.n. Siskiyou Near Big Spring above Sisson Comment
  HSC61952  Salix scouleriana Ruby Van Deventer 1961-6-14 Siskiyou Poker Flat 1524 Comment
  SEINET10682428  Salix scouleriana Karen M. Meyer, Andrew Townesmith 2007-7-31 Meyer 179 Siskiyou Shasta-Trinity National Forest. 8.1 mi. on NF Rd. 17, off US Hwy. 97. 1607 Comment
  UC375234  Salix scouleriana Geo. D. Butler 1909-9-20 1104 Siskiyou along creek near Yreka Comment
  UC481711  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 445 Siskiyou ca. 17 km. n.w. Shasta City (above stream in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house, e. side of Mt. Eddy); Mt. Eddy Comment
  UC481724  Salix scouleriana Mrs. H. P. Bracelin 1931-6-21 472 Siskiyou ca. 13 km. n.w. Shasta City (at bridge ca. 1.3 km. e. of Burney Mill, n. base Mt. Eddy); n. base Mt. Eddy 1110 Comment
  HSC667  Salix sitchensis William J. Ferlatte 1967-7-9 683 Siskiyou Kidd Creek Trail 1768 Comment
  CAS-BOT-BC220805  Salvia dorrii var. dorrii Elmer I. Applegate 1935-6-12 9533 Siskiyou Three Sisters, Lava Beds National Monument Comment
  CAS-BOT-BC220807  Salvia dorrii var. dorrii Elmer I. Applegate 1935-6-5 2343 Siskiyou Capt. Jack's Ice Cave, Lava Beds National Monument Comment
  JEPS62712  Salvia dorrii var. incana Geo. D. Butler 1908-7-16 177 Siskiyou near Anderson Ferry, Klamath River; Klamath River Comment
  JEPS62778  Salvia sonomensis W. L. Jepson 1894-8-4 14946 Siskiyou Niels Camp Niels Camp, Mt. Shasta (trail to snow-line); Mt. Shasta Comment
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Aug 10 2008
  JEPS80581  Sambucus mexicana Gilbert Muth 1965-8-2 143 Siskiyou between gate and Lower Sky High Lakes; Marble Mt. Wilderness Area 1767 Comment
  UC1125317  Sambucus mexicana M. H. Mitchell 1936-5-19 Siskiyou 1 mi ne Caldwell Butte; Modoc Lava Beds Natl. Mon., Dorris Quadrangle Comment
  CAS-BOT-BC238889  Sambucus nigra subsp. caerulea W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountain Comment
  CAS-BOT-BC238888  Sambucus nigra subsp. caerulea W. R. Dudley 1901-8-25 s.n. Siskiyou Salmon Creek Comment
  POM141260  Sanguisorba annua E. B. Copeland 1903-8-14 3585 Siskiyou Sisson. Comment
  OBI55094  Sanicula graveolens L. Constance 1950-7-16 3360 Siskiyou East slope of Little Grayback Peak near summit 1737 Comment
  UCD20772  Santolina chamaecyparissus Steve Orloff 2002-6-25 s.n. Siskiyou Siskiyou County. City of Granada, south of Yreka. Comment
  JEPS59093  Sarcodes sanguinea W. L. Jepson 1907-7-6 2859 Siskiyou Ridge above Cudahay Valley, region of Marble Mt. Comment
  JEPS47520  Saxifraga aprica Harley P. Chandler June, 1901 1675 Siskiyou Marble Mountain; North Coast Ranges, Marble Mountain 2438 Comment
  UC1190190  Saxifraga aprica Ira L. Wiggins 1955-7-27 13516 Siskiyou Caribou Lake; Trinity Alps, Salmon-Trinity Alps Primitive Area, Caribou La 2042 Comment
  HSC103906  Saxifraga bryophora Dana York, Richard Helliwell 2010-9-11 3014 Siskiyou Six Rivers National Forest. Northeast slope of Broken Rib Mountain 1671 Comment
  UC166551  Saxifraga californica Geo. D. Butler 1909-4-4 583 Siskiyou near Yreka Comment
  POM141796  Saxifraga howellii H. P. Chandler 1901-06 1613 Siskiyou Near Marble Mountain 2134 Comment
  UC858772  Saxifraga mertensiana E. A. Meola 1939-4-22 68 Siskiyou near Gasquet; Siskiyou lowlands Comment
  HSC55711  Saxifragopsis fragarioides G. L. Clifton, Griswold 1979-7-26 10113 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  UC1190129  Saxifragopsis fragarioides Ira L. Wiggins 1955-7-27 13552 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area 2042 Comment
  UCD126453  Schedonorus arundinaceus Roseman 1913-1 36 Siskiyou Butte Valley. Comment
  UCSB23748  Schoenoplectus acutus var. occidentalis Breedlove, Dennis 1962-6-10 Siskiyou On the north bank of Klamth River; at its junction with Goff Creek; 4.5 miles west of Seiad 411 Comment
  RSA238937  Scirpus congdonii Frederick W. Oettinger 1969-8-22 1500 Siskiyou On the south side of Horses Hole Pond above Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  UC1152064  Scirpus congdonii Joseph P. Tracy 1950-7-19 19203 Siskiyou in swamp about 5 mi se Elk Valley (Flint Valley); se of Elk Valley, Flint Valley 1432 Comment
  UCD77991  Scirpus microcarpus Robert E. Preston 2002-7-13 1921 Siskiyou Klamath National Forest, Trout Creek Meadow 1505 Comment
  POM186207  Scirpus microcarpus E. B. Copeland 1903-8-14 3722 Siskiyou Sisson. Comment
  CDA3393  Scleranthus annuus J. R. Grisham 1958-6-13 537 -58 Siskiyou Quartz Valley. 0 Comment
  POM215862  Scleranthus annuus L. C. Wheeler 1935-6-15 3585 Siskiyou Greenview, Scott Valley. 884 Comment
  UC971922  Scleranthus annuus subsp. annuus Herbert L. Mason 1950-7-15 14041 Siskiyou Scott Creek , Scott Creek (Scott Valley) Comment
  JEPS74476  Scutellaria antirrhinoides W. J. Ferlatte 1966-8-3 266 Siskiyou along the South Fork Salmon River between the campground and Carter's South Fork Salmon River; Trinity Alps, South Fork Salmon River 1524 Comment
  POM69088  Scutellaria antirrhinoides Geo. D. Butler 1908-7-19 176 Siskiyou Humbug Creek Comment
  POM69573  Scutellaria antirrhinoides Geo. D. Butler 1910-5-30 1430 Siskiyou Humbug Creek. Comment
  UC1523370  Scutellaria nana J. G. Lemmon 1889-6-26 Siskiyou Edgewood Comment
  UCD125688  Scutellaria siphocampyloides Robert E. Preston 1995-6-22 897 Siskiyou Irongate Reservoir, on open slopes W of Mirror Cove. 731 Comment
  HSC69136  Sedum laxum Maralyn A. Renner 1980-8-8 2482 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  RSA0035472  Sedum laxum subsp. heckneri Peter F. Zika 2011-7-19 25641 Siskiyou FS Road 1040, 3.7-3.8 road miles (5.9 km) above junction with FS Road 10 at mouth of Carberry Creek, along Middle Fork Applegate River, 1 air mile NW of Abney Butte, Siskiyou Mountains, Klamath Range. 610 Comment
  JEPS48029  Sedum obtusatum W. L. Jepson 1907-7-9 2867 Siskiyou Klamath Range near Putnam Peak (Kelsey Trail); Klamath Range near Putnam Peak Comment
  UC115408  Sedum obtusatum subsp. boreale Dr. E. B. Copeland 1903-8-18 3781 Siskiyou Mt. Eddy 2133 Comment
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Aug 17 2011
  HSC19431  Sedum obtusatum subsp. retusum J. O. Sawyer 1968-7-9 418 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  HSC4764  Sedum obtusatum subsp. retusum William J. Ferlatte 1966-8-19 455 Siskiyou Head Of Kidd Creek 2134 Comment
  HSC603  Sedum obtusatum subsp. retusum William J. Ferlatte 1967-7-26 750 Siskiyou Caribou Basin, Sawtooth Ridge 2287 Comment
  HSC28656  Sedum oregonense Frederick W. Oettinger 1968-9-7 770 Siskiyou Marble Mtn. Wilderness Area, NW-facing slope of Golden Peak, due SE of Tobacco Lake and at mid-slope 2012 Comment
  JEPS25711  Sedum spathulifolium P. C. Hutchison 1961-5-22 2041 Siskiyou 2.8 mi e Seiad Valley (6.4 mi w of Hamburg, Klamath River); Klamath River, e of Seiad Valley, w of Hamburg Comment
  CHSC33066  Senecio aronicoides James Payne Smith Jr. 1976-5-21 8769 Siskiyou Klamath National Forest, Forest Road 40N08, 6.9 miles from its junction with State Route 3. 1524 Comment
  HSC68064  Senecio aronicoides J. P. Smith 1976-5-21 8769 Siskiyou Klamath National Forest, FS Rd. 40N08, 6.9 mi. from its junction with Hwy. 3 1524 Comment
  SEINET10908347  Senecio aronicoides Katherine L. Morris, David B. Dunn; Melvin L. Conrad 1973-5-25 Morris 273 Siskiyou Collected 32.9 mi. NW of the junction of Hwy. 89 & 299 on Hwy. 89, in a pure stand of ponderosa pine. 14.3 mi. E of McCloud. Comment
  HSC91183  Senecio fremontii Jennifer Whipple 1977-7-20 1990 Siskiyou N slopes of Mount Eddy 2500 Comment
  CAS-BOT-BC363934  Senecio integerrimus var. exaltatus Wm. Bridge Cooke 1938-9-8 11675 Siskiyou Mount Shasta. East fork of Panther Creek Comment
  CHSC88780  Senecio integerrimus var. exaltatus Jenny Marr 1993-7-1 195 Siskiyou Steamboat Mtn. Shasta Valley Wildlife Area, +/- 20 air miles S of Oregon border and 8 miles E of Yreka. Meadow. 701 Comment
  CAS-BOT-BC363944  Senecio integerrimus var. exaltatus Volney Rattan June 16 s.n. Siskiyou Siskiyou Mts. Comment
  POM37677  Senecio integerrimus var. exaltatus Geo D. Butler 1910-5-15 1345 Siskiyou N...[illegible] McAdams Creek. Comment
  HSC29122  Senecio integerrimus var. major Frederick W. Oettinger 1969-7-13 996 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; N of upper English Lake 1890 Comment
  CAS-BOT-BC364042  Senecio integerrimus var. major K. T. Stillman 1976-6-25 39 Siskiyou Marble Mountain Wilderness Area. In Marble Valley 1828 Comment
  RSA0125067  Senecio integerrimus var. ochroleucus George D. Butler 1910-5-1 1263 Siskiyou Huckberry Mountain. 1219 Comment
  POM250746  Sibbaldia procumbens W. Bridge Cooke 1938-8-18 11480 Siskiyou Mt. Shasta. 2470 Comment
  CAS-BOT-BC213139  Sidalcea Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  JEPS22217  Sidalcea asprella subsp. nana Rimo Bacigalupi with Reino and Aloha Alava 1958-9-2 6827 Siskiyou just below and n of road summit of Scott Mountain Road between Callahan and Trinity Center ([at Trinity County line]); Scott Mountain Road btw Callahan and Trinity Center 1615 Comment
  HSC58997  Sidalcea malviflora Gilbert Muth 1975-7-30 4013 Siskiyou Near Lily Pad Lake, close to the town of Seiad Valley 1585 Comment
  JEPS104952  Sidalcea oregana subsp. oregana Dean W. Taylor 1996-6-26 15743 Siskiyou Iron Gate Reservoir; drainage of Brush Creek; Klamath National Forest 670 Comment
  UC108851  Sidalcea oregana subsp. oregana T. S. Brandegee 1887-7-1 Siskiyou Sisson's Comment
  CHSC88396  Sidalcea oregana subsp. spicata Jenny Marr 1993-7-1 155 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA95267  Sidalcea oregana subsp. spicata F. W. Peirson 1923-7-19 3779 Siskiyou Lairds Landing Comment
  SEINET185087  Silene C. L. Hitchcock, J. S. Martin 1939-7-6 5227 Siskiyou Peak above and north of Divide of Siskiyou Mountains on Takilma-Happy Camp road. 1829 Comment
  UC609314  Silene bernardina Eleanor Burks Hart 1938-8-16 951 Siskiyou Upper Wright Lake 2225 Comment
  UC705630  Silene campanulata Marion Ownbey, Fred G. Meyer 1940-7-6 2199 Siskiyou summit of Cayenne Ridge Marble Mountain, summit of Cayenne Ridge Comment
  CAS-BOT-BC387060  Silene douglasii W. B. Cooke 1956-7-16 30305 Siskiyou Along old logging road above Hotlum Station, north side of Mount Shasta 1524 Comment
  UC922617  Silene douglasii Annie M. Alexander and Louise Kellogg 1948-9-8 5596 Siskiyou on e side at top grade between Sawyers Bar and Etna (Siskiyou Mountains); , btw Sawyers Bar and Etna 1737 Comment
  CHSC34833  Silene grayi M. S. Taylor 1980-8-19 3268 Siskiyou Paint Pot Crater. 1920 Comment
  HSC68047  Silene grayi J. P. Smith, Steve Selva 1970-7-17 4462 Siskiyou Below Kangaroo Lake. 1890 Comment
  JEPS26588  Silene grayi Peter Kamb 1949-8-25 1492 Siskiyou above Horse Camp; sw slope of Mt. Shasta above Horse Camp 2895 Comment
  UC1602154  Silene grayi Wm. M. Canby in company with Profs. C. S. Sargent and John Muir 1897-9-7 20 Siskiyou Mt. Shasta 2438 Comment
  UCD98588  Silene grayi Mary Ann Showers 1980-7-23 1921 Siskiyou on south and east-facing slopes of Pumice Stone Mt. 2103 Comment
  CAS-BOT-BC389434  Silene lemmonii H. A. Thomas; J. H. Thomas 1954-7-21 4426 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1219 Comment
  HSC64678  Silene lemmonii J. O. Sawyer 1977-7-6 3037 Siskiyou Trail to Sugar Lake 2 mi. below lake 1707 Comment
  UC1483449  Silene lemmonii J. Sawyer and J. Cole 1980-7-22 3940 Siskiyou nw slopes of Cedar Mtn. Klamath National Forest, Bray Quad., Cedar Mtn. 1524 Comment
  RSA438826  Silene lemmonii M. B. Dunkle 1944-6-25 9015 Siskiyou Siskiyou National Forest. 1677 Comment
  UC595107  Silene menziesii David D. Keck 1938-8-7 4853 Siskiyou 2 mi e Callahan (Scott Mountain Lodge, on E Fork Scott River at junction with Mill Creek); E Fork Scott River at jct w/ Mill Creek 1000 Comment
  SEINET10589337  Sitanion A. Arthur Heller 1920-6-20 Heller 13387 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy, in open places in the forest. The original growth of yellow pine has been replaced by white fir, Douglas fir and incense cedar. 1158 Comment
  NY821171  Solanum parishii W. B. Cooke 1940-6-20 15180 Siskiyou Along the Pacific Highway in the Klamath gorge 2000 Comment
  CAS-BOT-BC385863  Solidago canadensis D. H. Norris 1968-7-29 2213 Siskiyou Along trail from Big Flat to Yellow Rose Mine 1828 Comment
  CAS-BOT-BC365568  Solidago elongata Gilbert Muth 1965-8-3 s.n. Siskiyou Meadow, Marble Valley Guard Station. Marble Mts. Comment
  CAS-BOT-BC365569  Solidago elongata H. A. Thomas; J. H. Thomas 1954-7-25 4534 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  UC165415  Solidago elongata Geo. D. Butler 1910-8-31 1858 Siskiyou Oro Fino Comment
  UC88139  Solidago elongata K. Brandegee July 1887 Siskiyou Sisson's Comment
  HSC76957  Solidago multiradiata K. T. Stillman 1976-7-21 273 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  SEINET5709652 Image available Solidago multiradiata Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7697 Siskiyou Scott Mts. Collected along Road 17, 8.8 mi SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1586 Comment
  JEPS24618  Solidago velutina subsp. californica Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6771 Siskiyou in the 1 1/2 mi stretch between Shasta Retreat (at northern outskirts of Dunsmuir) to Mossbrae Falls and Shasta Springs; upper Sacramento River Canyon, along S. P. (Shasta Route) ra 731 Comment
  UC1282003  Solidago velutina subsp. californica Louise Kellogg 1953-8-4 97 Siskiyou n of Callahan near Scott River (edge of Scott Valley); Scott Mountains, edge of Scott Valley Comment
  CDA7670  Sonchus oleraceus T. C. Fuller 1959-10-14 3271 Siskiyou Big Springs Park, Mt. Shasta City. 0 Comment
  CAS-BOT-BC157321  Sorbus californica Wm. Bridge Cooke 1938-7-22 11341 Siskiyou Sisson Southern Trail spring Comment
  UC642589  Sorbus californica W. B. Cooke 1939-6-30 13576 Siskiyou along Sisson Southern Trail; Mount Shasta 1981 Comment
  CAS-BOT-BC157320  Sorbus californica 1902-7-15 1518 Siskiyou Marble Fork Comment
  SBBG50781  Sorbus scopulina J. M. Tucker 1963-7-7 3715 Siskiyou vicinity of Paradise Lake, at base of King's Castle on the E side, Marble Mtn Wilderness Area 1981 Comment
  UC202193  Sparganium angustifolium Geo. D. Butler 1910-7-13 1766 Siskiyou Shackleford Creek 1219 Comment
  UC813814  Sparganium emersum var. emersum John Thomas Howell 1939-8-9 15208 Siskiyou Sky High Valley; Marble Mts. Comment
  RSA0097338  Spergularia rubra var. perennans M. B. Dunkle 1945-7-25 9245 Siskiyou Klamath National Forest; Marble Mts. Comment
  RSA472773  Spiraea densiflora M. B. Dunkle 1945-1 9306 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  UC70411  Spiraea densiflora Milo S. Baker 1899-7-31 Siskiyou Ash Creek Mt. Shasta (above Warren and Anderson's Mill, e slope of Mt. Shasta) Comment
  CAS-BOT-BC149694  Spiraea douglasii Alice Eastwood 1912-7-15 1112 Siskiyou [Mc Cloud] McCloud Comment
  LA208255  Spiraea douglasii Steve Morgan; 1987-7-28 Siskiyou Mount Shasta, Shasta Trinity National Forest, McGinnis Springs, 5 mi. NW of McCloud 1767 Comment
  RSA237598  Spiraea douglasii Frederick W. Oettinger 1969-8-16 1409 Siskiyou English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1799 Comment
  SCFS182  Spiraea douglasii P. Billings 1965-7-13 124 Siskiyou Death Horse Creek Canyon Rd, at intersection of Hwy 89 1494 Comment
  CAS-BOT-BC149674  Spiraea douglasii W. R. Dudley 1901-8-25 s.n. Siskiyou 14 mile post, Salmon Creek, Salmon Mts. Comment
  CAS-BOT-BC152554  Spiraea splendens Ira L. Wiggins 1955-7-27 13528 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC100319  Spiraea splendens J. P. Smith, J. O. Sawyer 2011-7-21 13033 Siskiyou Flint Valley, at the end of the G-O Road. 1313 Comment
  HSC18898  Spiraea splendens var. splendens J. O. Sawyer 1968-7-23 596 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  HSC62276  Spiraea splendens var. splendens Ruby Van Deventer 5 Aug [year missing] Siskiyou Youngs Valley Comment
  CHSC2358  Spiranthes porrifolia 1936-7-26 Siskiyou Mt. Shasta. Comment
  JEPS48997  Spiranthes romanzoffiana Geo. D. Butler 1908-8-3 28 Siskiyou Log Lake 1371 Comment
  RSA382197  Spiranthes romanzoffiana Louis C. Wheeler 1934-8-14 3117 Siskiyou Johnson Dairy; Siskiyou Mountains. Mt. Diablo Mer. 1829 Comment
  UCLA70897  Stachys ajugoides var. rigida W. Bridge Cooke 1940-6-20 15169 Siskiyou below Hornbrook (near the Pacific Highway); Klamath River Comment
  RSA183648  Stachys rigida subsp. quercetorum Gilbert Muth 1965-8-16 221 Siskiyou On trail behind Blk. Mt., Marble Mts. Comment
  HSC18969  Stellaria borealis subsp. sitchana J. O. Sawyer 1969-7-11 857 Siskiyou Ravine above C.C.C. road. 1280 Comment
  CAS-BOT-BC181422  Stellaria calycantha John Thomas Howell 1939-8-3 14966 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UCD99324  Stellaria longipes subsp. longipes Herbert L. Mason 1948-7-18 13611 Siskiyou Grass Lake. Comment
  UC524160  Stellaria longipes var. longipes Elmer I. Applegate 1923-8-17 3839 Siskiyou Medicine Lake 1981 Comment
  POM101769  Stellaria media Geo. D. Butler 1909-3-19 559 Siskiyou Yreka Creek. Comment
  HSC92346  Stellaria umbellata Jennifer Whipple 1977-8-6 2229 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC1265673  Stenanthium occidentale Rolf Y. Berg 1980-6-25 Siskiyou Horsetail Falls Klamath River Region (on road from Seiad Valley to Cook and Green Pass) Comment
  UC166153  Stephanomeria paniculata Geo. D. Butler 1908-8-1 324 Siskiyou near Forest House Comment
  UC166204  Stephanomeria virgata subsp. pleurocarpa Geo. D. Butler 1908-8-30 138 Siskiyou near Fort Jones (along Light hill grade) Comment
  HSC92555  Stipa occidentalis var. occidentalis Jennifer Whipple 1976-7-13 1461 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River 2256 Comment
  HSC97163  Stipa thurberiana L. Ahart 2005-6-9 12027 Siskiyou 3/5 mi. S of Hwy. 99/97 cutoff, 2 1/2 mi. ESE of Grenada 775 Comment
  HSC70621  Streptanthus barbatus J. M. DiTomaso 1980-8-25 1907 Siskiyou Junction of FS Rd. 40N30 and 40N64 on way to Gumboot Lake from Mt. Shasta City Comment
  CHSC554  Streptanthus polygaloides G. Spurlock 1935-6-1 Siskiyou Comment
  HSC76965  Streptanthus tortuosus K. T. Stillman 1976-9-10 505 Siskiyou Marble Mtn. Wilderness Area, trail from Marble Gap to Elk Valley 2104 Comment
  POM203465  Streptanthus tortuosus Alice Eastwood, J. T. Howell 1934-4-20 1773 Siskiyou Junction of Klamath and Shasta Rivers. Comment
  HSC60660  Streptanthus tortuosus var. tortuosus J. P. Smith, Steve Selva 1970-6-15 3928 Siskiyou 5 mi. NW of Forks of Salmon 335 Comment
  HSC67723  Streptopus amplexifolius John Palmer 1980-8-12 708 Siskiyou SE of Ward's Gap. 1189 Comment
  HSC92936  Stuckenia filiformis subsp. alpina Jennifer Whipple 1976-9-4 1790 Siskiyou Dobkins Lake 2073 Comment
  SD53388  Swertia albicaulis var. nitida Darley F. Howe 1962-8-4 3389 Siskiyou Near summit of Baldy Mountain. 1737 Comment
  UC221723  Swertia albicaulis var. nitida H. E. Brown Jul 15 1897-Jul 31 1897 545 Siskiyou s side Mt. Shasta 1524 Comment
  HSC76697  Swertia radiata K. T. Stillman 1976-7-8 200 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  CAS-BOT-BC245849  Symphoricarpos Doris K. Kildale 1928-7-4 5523 Siskiyou Summit of divide between Salmon River and Scott Valley in Sawyers Bar-Etna Road Comment
  CAS-BOT-BC269625  Symphoricarpos albus var. laevigatus L. E. Smith 1914-7-6 754 Siskiyou Cantara Comment
  JEPS87629  Symphoricarpos albus var. laevigatus Vernon H. Oswald and Lowell Ahart 1994-8-10 6460 Siskiyou ca. 4 mi. (air) n.-n.e. Bartle (FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi. w. of Harris Spring Rd. (FS15)) 1359 Comment
  CAS-BOT-BC234797  Symphoricarpos mollis John Thomas Howell 1937-7-23 13362 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC18889  Symphoricarpos mollis J. O. Sawyer 1968-6-18 233 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  HSC67781  Symphoricarpos mollis J. O. Sawyer, J. Cole 1980-7-21 3852 Siskiyou N of FS Rd. 44N01 near intersection with road to Lava Camp. 1677 Comment
  HSC69557  Symphoricarpos mollis Maralyn A. Renner 1980-8-6 2293 Siskiyou Along trail, 0.5 mi. SE of Cyclone Gap. 1585 Comment
  UC102265  Symphoricarpos mollis Brandegee Jul 1887 Siskiyou Upper Soda Spring Comment
  RSA215620  Symphoricarpos vaccinioides Gilbert Muth 1969-8-7 1259 Siskiyou East side of Boulder Peak Ridge. 2470 Comment
  CAS-BOT-BC97581  Symphyotrichum ascendens A. A. Heller 1914-8-26 11713 Siskiyou near Deetz Station near/opposite Black Butte 1158 Comment
  UC1282018  Symphyotrichum spathulatum Louise Kellogg Aug 8 1953-Aug 9 1953 117 Siskiyou Scott Mountain Public Campground Scott Mountains, Klamath National Forest 1630 Comment
  CDA7686  Taraxacum officinale T. C. Fuller 1962-6-13 8984 Siskiyou Toad Well, road to Medicine Lake, ca. 12 miles northeast of Bartle. 0 Comment
  CHSC36174  Taraxia tanacetifolia K. Bridwell 1978-7-7 175 Siskiyou N slope of Sheep Mountain, ca. 10 mi e of Macdoel. 1584 Comment
  CAS-BOT-BC81347  Taxus brevifolia A. Eastwood 1912-8-28 s.n. Siskiyou Cantara Comment
  CAS-BOT-BC81349  Taxus brevifolia John Thomas Howell 1937-7-26 13563 Siskiyou Between Big Flat and Caribou Gulch Comment
  CAS-BOT-BC85235  Taxus brevifolia Louis C. Wheeler 1934-8-14 3138 Siskiyou West end White Mt., Siskiyou Mts., Mt. Diablo Mer. 1767 Comment
  HSC32595  Taxus brevifolia Steven Lagos 1974-5-26 86 Siskiyou Duck Lake Creek drainage, Bulk Collection # 60 1463 Comment
  CAS-BOT-BC81340  Taxus brevifolia W. R. Dudley 1899-8-1 s.n. Siskiyou From Upper Sacramento River below Rainbow and S.W. of Sisson's Comment
  CAS-BOT-BC447422  Tellima grandiflora John Thomas Howell 1939-8-10 15275 Siskiyou Sky High Valley, Marble Mountains 1828 Comment
  HSC69571  Tellima grandiflora Maralyn A. Renner 1980-8-6 2266 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  JEPS1219  Tellima grandiflora Freed Hoffman 1951-7-11 4035 Siskiyou about 8 mi above Scott River (on Kelsey Creek, Hammond's Stock-raising Camp, w Siskiyou County); Marble Mountains 1524 Comment
  JEPS117554  Tetradymia canescens Lowell Ahart, John Dittes 2010-7-30 16971 Siskiyou On dry soil of riparian terraces, Shasta Big Springs Ranch, 2.6 miles (air) northwest of Big Springs Lake, 3.9 miles (air) southeast of Grenada, 6.3 miles (air) northwest of Dwinnel Dam 778 Comment
  HSC91014  Thelypodium brachycarpum Jennifer Whipple 1977-8-6 2209 Siskiyou Klamath Mtns., SW of Dobkins Lake along drainage into the lake 2104 Comment
  JEPS25169  Thelypodium brachycarpum G. Thomas Robbins 1959-6-10 4042 Siskiyou 4 mi s Gazelle (along U.S. Highway 99); Shasta Valley 914 Comment
  UC221543  Thelypodium brachycarpum H. E. Brown Jun 15 1897-Jun 30 1897 469 Siskiyou n side Mt. Shasta 1524 Comment
  CAS-BOT-BC88076  Thelypodium brachycarpum R. C. Barneby 1954-5-15 11502 Siskiyou 5.5 miles northwest of Edgewood. 899 Comment
  SBBG56282  Thelypteris nevadensis A. Lefebure 1941-10-11 Siskiyou E fork Horse Crk Comment
  CDA15532  Thermopsis robusta G. F. Hrusa, T. D. Wilfred 1998-7-5 14700 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 8.8. Sheet 2 of 2 Comment
  JEPS19777  Thlaspi montanum var. montanum Rimo Bacigalupi with S. Galen Smith 1957-6-26 5951 Siskiyou meadows at s. end Gumboot Lake (head of S. Fork Sacramento R., close to Trinity Co. line); S. Fork Sacramento R., Gumboot Lake 1859 Comment
  JEPS54040  Thlaspi montanum var. montanum Geo. D. Butler 1908-8-3 127 Siskiyou Log Lake , Log Lake (Shackleford Creek) 1524 Comment
  JEPS54044  Thlaspi montanum var. montanum J. W. Kisling 1910-4-20 Siskiyou Edgewood Comment
  JEPS82689  Thlaspi montanum var. montanum Steve Edwards 1984-6-7 Siskiyou South China Mtn. 2286 Comment
  UC165977  Thlaspi montanum var. montanum Geo. D. Butler 1908-8-3 127 Siskiyou Log Lake , Shackleford Creek (Shackleford Creek) Comment
  RSA264980  Tofieldia glutinosa subsp. occidentalis G. L. Clifton 1975-7-28 5903 Siskiyou Near Elk Meadow, near Seiad Valley 1634 Comment
  RSA757026  Tofieldia glutinosa subsp. occidentalis Barbara Ertter 1990-7-14 9346 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4 air miles west of Mt. Shasta City 1829 Comment
  UC70447  Tofieldia occidentalis subsp. occidentalis Milo S. Baker 1899-8-4 Siskiyou Dead Horse Canyon Comment
  RSA759841  Tolmiea menziesii R. F. Thorne 1969-8-2 63396 Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak 1159 Comment
  UC164324  Tonella tenella Geo. D. Butler 1909-4-18 626 Siskiyou near Yreka Comment
  HSC30566  Torreyochloa pallida var. pauciflora Frederick W. Oettinger, R. F. Thorne 1969-8-7 1267 Siskiyou Salmon Mtns., Pine Lake. 1768 Comment
  OBI53781  Tragopogon dubius David J. Keil, Kathleen Keil 1992-7-19 23464 Siskiyou Klamath NF. 6.5 mi NW of Sawyers Bar on Sawyers Bar Rd Comment
  SFV5156  Tragopogon dubius B. C. Templeton 1960-6-21 8525 a Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  CAS-BOT-BC519568  Triantha occidentalis subsp. occidentalis David D. Keck 1949-7-20 6363 Siskiyou Scott Mountain Summit: meadow at Scott Mountain Summit, at Trinity County line 1716 Comment
  CAS-BOT-BC519569  Triantha occidentalis subsp. occidentalis David D. Keck 1949-7-20 6363 Siskiyou meadow at Scott Mountain Summit, at Trinity County line 1716 Comment
  UC163995  Trichostema lanceolatum Geo. D. Butler 1910-7-28 1793 Siskiyou near Yreka Comment
  SEINET7972552  Trichostema lanceolatum G. D. Butler 1910-7-28 1793 Siskiyou Near Yreka Comment
  CHSC35548  Trifolium dubium James P. Smith 1973-5-5 6544 Siskiyou Scott Bar along the Scott River. Comment
  CAS-BOT-BC219042  Trifolium howellii Doris K. Kildale 1928-8-18 6434 Siskiyou Finley's Upper Camp near head of north fork of Salmon River 1676 Comment
  HSC69400  Trifolium howellii Maralyn A. Renner 1980-8-8 2440 Siskiyou Rattlesnake Meadow 1646 Comment
  HSC77108  Trifolium howellii K. T. Stillman 1976-7-31 355 Siskiyou Marble Mountain Wilderness Area, Ridge N of Jump off, 1/2 mi. S of Paradise Lake Comment
  RSA183650  Trifolium hybridum Gilbert Muth 1965-8-16 228 Siskiyou Marble Valley Comment
  HSC78211  Trifolium longipes L. P. Janeway 1983-7-10 400 Siskiyou Poker Flat 1524 Comment
  RSA666382  Trifolium longipes Barbara Ertter 1990-7-14 9314 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
  UCD111282  Trifolium longipes L. Whitney 1934-6-10 s.n. Siskiyou location unknown. 1463 Comment
  CHSC38996  Trifolium longipes subsp. hansenii J. D. Jokerst 1983-7-5 1830 Siskiyou Atkin's Meadow, northern 1/2, ca 15 air miles east of McCloud. Comment
  UC338054  Trifolium longipes var. elmeri Lemmon 1889-6-28 Siskiyou near Mt. Eddy Comment
  JEPS65936  Trifolium macrocephalum Geo. D. Butler 1909-4-14 639 Siskiyou Block 5, Yreka Comment
  UC1733732  Trifolium macrocephalum Frank Gould, Kay H. Beach 1940-5-15 1236 Siskiyou Bull Meadows Comment
  UCD111328  Trifolium macrocephalum J. G. Ferrell 1941-4-1 s.n. Siskiyou Near Edgewood. Comment
  CAS-BOT-BC230882  Trifolium productum G. J. Muth 1969-8-12 1382 Siskiyou Second Valley 2194 Comment
  HSC794  Trifolium productum William J. Ferlatte 1967-7-9 697 Siskiyou Kidd Creek Trail 1982 Comment
  HSC73335  Trifolium repens Gail Newton 1980-6-20 468 Siskiyou Near Bald Mtn. 1097 Comment
  RSA60498  Trifolium repens John H. Thomas 1949-6-16 942 Siskiyou Beaver Creek Public Camp, 5 miles north of junction of Beaver Creek and Klamath River. Klamath National Forest. Comment
  CHSC91362  Trifolium retusum Lowell Ahart; John Dittes 2005-6-10 12124 Siskiyou Northeast of the corral, end of Salvadori Road, Nelson Ranch, about 1 1/4 miles (air) south of Highway 99/97 Cutoff, about 5 1/4 miles (air) east-southeast of Grenada. 785 Comment
  JEPS75360  Trifolium variegatum Geo. D. Butler 1909-6-5 797 Siskiyou near Yreka (McNutty's field) Comment
  UC144271  Trifolium variegatum var. melananthum A. A. Heller 1905-6-5 7964 Siskiyou between Shasta Retreat and Shasta Springs Comment
  SEINET8502204  Trillium chloropetalum G. D. Butler 1910-4-25 1242 Siskiyou Scott River. Comment
  HSC18874  Trillium ovatum subsp. oettingeri J. O. Sawyer 1968-6-18 185 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC69565  Trisetum cernuum Maralyn A. Renner 1980-8-6 2272 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  HSC86562  Trisetum cernuum D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, vicinity of Haypress Meadows 1372 Comment
  HSC26991  Trisetum spicatum J. P. Smith, J. O. Sawyer 1971-9-16 4769 Siskiyou Ridge S of Bingham Lake. 2134 Comment
  UC60943  Trisetum spicatum Geo. B. Grant 1902-9-1 5092 Siskiyou Horse Camp Mount Shasta 2438 Comment
  UCD93710  Trisetum spicatum A. A. Heller 1914-8-28 11735 Siskiyou East side of Mt. Eddy. 2438 Comment
  UC454045  Triteleia hyacinthina I. J. Condit 1909-8-23 Siskiyou near Sisson (Castle Lake); Castle Lake Comment
  SEINET8506392  Triteleia ixioides J. F. Sloan 1959-4-26 s.n. Siskiyou 20 miles S of Weed and 1 mile E toward Mt. Shasta. 1676 Comment
  UC3300  Triteleia ixioides subsp. anilina C. B. Bradley 1879-1 Siskiyou Comment
  HSC67794  Tsuga mertensiana J. O. Sawyer, J. Cole 1980-7-21 3898 Siskiyou Near Haight Mtn. along USFS Rd. running S-SW 1939 Comment
  JEPS80587  Tsuga mertensiana Gilbert Muth 1965-7-29 131 Siskiyou Marble Valley; Marble Mt. Wilderness Area 1792 Comment
  RSA331960  Tsuga mertensiana W. Wisura, D. Kelly 1985-7-30 4076 Siskiyou Along forestry road 47N63 near Siskiyou Summit, N of Horse Creek on Hwy 96. Comment
  JEPS19728  Utricularia macrorhiza Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-27 5975 Siskiyou 20 mi. n.e. Weed (along causeway of U.S. Hwy. 97 between Weed and Klamath Falls, Grass Lake); Grass Lake 1544 Comment
  UCD121866  Utricularia minor Barry Rice 2007-7-7 BR 070701 Siskiyou Lower Cliff Lake. 1747 Comment
  CAS-BOT-BC199183  Vaccinium cespitosum W. R. Dudley 1901-8-18 s.n. Siskiyou Near Jackson's Lake, Salmon Mts. Comment
  CAS-BOT-BC199186  Vaccinium cespitosum Wm. Bridge Cooke 1938-7-21 11302 Siskiyou Panther Creek Comment
  CHSC69747  Vaccinium cespitosum Loren Gehrung 1996-9-19 107 Siskiyou Scott Camp Ck, near Methodist Church Camp. 1 airmile NW of Castle Lake. Plants between creek and USFS Rd 39N46. 1505 Comment
  UC1334018  Vaccinium cespitosum Dorothy Parker 1949-7-10 348 Siskiyou near Paradise Lake; Siskiyou Mountains, Salmon Mountains Comment
  HSC19351  Vaccinium membranaceum J. O. Sawyer 1968-6-25 303 Siskiyou NE of N Horse Range Lake 2012 Comment
  JEPS25639  Vaccinium membranaceum Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7278 Siskiyou Poker Flat 1536 Comment
  RSA238865  Vaccinium membranaceum Frederick W. Oettinger 1968-9-5 721 Siskiyou Near inlet stream to Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UC562352  Vaccinium membranaceum Joseph P. Tracy 1935-8-1 14419 Siskiyou 3 mi e of Salmon Summit (Head of Knownothing Creek); Knownothing Creek 1767 Comment
  HSC19415  Vaccinium scoparium J. O. Sawyer 1968-7-9 429 Siskiyou W of Little Duck Lake. 1936 Comment
  SJSU6546  Vaccinium scoparium R. W. Trivelpiece 1973-6-21 152 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  CAS-BOT-BC199529  Vaccinium uliginosum Wm. Bridge Cooke 1939-7-7 13606 Siskiyou At Wagon Camp Comment
  CAS-BOT-BC199528  Vaccinium uliginosum W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar and Warm Castle, near McCloud Comment
  RSA240089  Vaccinium uliginosum subsp. occidentale Frederick W. Oettinger 1969-8-23 1512 Siskiyou Inlet to Smith Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  SD219128  Valeriana sitchensis R. F. Thorne, Frederick W. Oettinger 1969-8-4 63361 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. 1935 Comment
  HSC18952  Valeriana sitchensis subsp. sitchensis J. O. Sawyer 1968-7-2 371 Siskiyou Upper drainage of Joe Creek on steep N facing slopes. 1677 Comment
  RSA761682  Valeriana sitchensis subsp. sitchensis Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63361 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Comment
  JEPS101147  Valerianella locusta Dean W. Taylor 1996-6-20 15716 Siskiyou upper Noyes Valley; along Noyes Valley Creek (ca. 20 air miles SW of Yreka) 1371 Comment
  RSA715770  Valerianella locusta L. Ahart, John Dittes 2005-6-10 12119 Siskiyou End of Salvadori Road, Nelson Ranch, about 1. 1/4 miles (air) south of Highway 99/97 Cutoff, about 5 1/4 miles (air) east-southeast of Grenada. 785 Comment
  SD88292  Vancouveria hexandra Darley F. Howe 1972-7-5 Siskiyou 0.6 miles south of Oregon State Line on road to Happy Camp 1705 Comment
  HSC73295  Vancouveria planipetala M. A. Baker 1980-6-20 2188 Siskiyou Near Bald Mtn. 1036 Comment
  RSA69511  Veratrum californicum Frank W. Peirson 1923-7-20 3674 Siskiyou Just north of Sisson Comment
  HSC91996  Veratrum californicum var. californicum Jennifer Whipple 1976-7-24 1533 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  JEPS24442  Veratrum insolitum Rimo Bacigalupi with L. Constance and L. R. Heckard 1960-7-21 7483 Siskiyou 14 mi e Cecilville (6 mi w of rd summit, along new rd from Cecilville to Callahan, watershed of e fork of the South Fork of the Salmon River, just above Six-mile Creek) 1371 Comment
  RSA183714  Veratrum viride Gilbert Muth 1965-8-3 152 Siskiyou Marble Valley, Marble Mts. Comment
  HSC72501  Verbascum blattaria J. P. Smith, Steve Selva 1970-6-17 4093 Siskiyou 12 mi. E of Somes Bar on road between Forks of Salmon and Somes Bar 366 Comment
  RSA123556  Verbascum blattaria G. D. Barbe 1955-7-7 143 Siskiyou East side of Forest Camp. Etna. 884 Comment
  POM211271  Verbena lasiostachys var. lasiostachys Louis C. Wheeler 1934-10-11 3315 Siskiyou Siskiyou Mountains: Oak Knoll Ranger Station, Klamath River. 671 Comment
  RSA0084072  Veronica alpina var. alterniflora William J. Ferlatte 1966-6-23 133 Siskiyou Trinity Alps: Yellow Rose Mine. 1982 Comment
  HSC61933  Veronica americana Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  HSC91121  Veronica copelandii Jennifer Whipple 1976-7-7 1326