Search Results — 2000 specimen records retrieved (1378 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA226611  Abies lasiocarpa J. O. Sawyer 1969-8-1 1600 Siskiyou Behind Horseshoe Lake 1920 Comment
  HSC96424  Abies lasiocarpa var. lasiocarpa Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 489 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  CAS-BOT-BC331016  Acer glabrum var. glabrum Doris K. Kildale 1929-7-20 8671 Siskiyou Raspberry Lake, near east spur Preston Peak 1981 Comment
  UC1505812  Acer glabrum var. glabrum Robert T. Clausen and Harold Trapido 1940-7-26 4959 Siskiyou canyon of Mud Creek So. Cascade Mts., Sacramento River Basin, Mt. Shasta (Sacramento River Basin, So. Cascade Mts.) 1493 Comment
  UC933425  Acer glabrum var. glabrum Annie M. Alexander and Louise Kellogg 1948-9-8 5599 Siskiyou top of grade between Sawyers Bar and Etna; top of grade btw Sawyers Bar and Etna 1737 Comment
  CHSC105277  Achillea millefolium Lowell Ahart; John Dittes 2010-7-30 16954 Siskiyou About 30 yards west of the Shasta River, about 50 yards west of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  HSC4995  Achillea millefolium J. O. Sawyer 1968-7-9 424 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  RSA237216  Achillea millefolium var. occidentalis Frederick W. Oettinger 1969-7-29 1094 Siskiyou On bedrock ridge above Dry Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  SEINET4438562 Image available Achillea pacifica A. A. Heller 1905-1 8067 Siskiyou Comment
  UC1025003  Achnatherum lemmonii Leo Whitney 1935-7-15 3465 Siskiyou 2 mi se Medicine Lake (Bullseye Lake); Bullseye Lake Comment
  JEPS25601  Achnatherum nelsonii subsp. nelsonii Rimo Bacigalupi 1959-7-2 7234 Siskiyou Big Flat Campground Caribou Mtn., Salmon River, Coffee Creek (headwaters of S Fork Salmon River; just s of Trinity County boundary) 1508 Comment
  UCD50946  Achnatherum occidentale A. H. Murphy 1956-8-16 56 DD Siskiyou Klamath National Forest, Tangle Blue Lake. 1767 Comment
  CAS-BOT-BC210875  Achnatherum occidentale subsp. californicum John Thomas Howell 1937-7-22 13258 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  RSA238981  Achnatherum occidentale subsp. californicum Frederick W. Oettinger 1968-9-6 744 -a Siskiyou Tom's Lake region, Edge of Bear Meadow . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2188 Comment
  UCD56642  Achnatherum occidentale subsp. pubescens G. Douglas Barbe; P. Hiatt, M. Keffer 1980-6-5 2809 Siskiyou Cascade Ranges, Mt. Shasta Reforestation area, north of Mt. Shasta city on Everitt Memorial Hwy. to Panther Meadows ski area. 1097 Comment
  UCD103801  Acmispon americanus var. americanus A. A. Heller 1915-7-18 12110 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  CHSC86677  Acmispon denticulatus Jenny Marr 1993-7-1 60 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC27690  Acmispon micranthus Carl W. Mize 1972-6-8 40 Siskiyou Along main trail 366 Comment
  SBBG25947  Aconitum columbianum D. Myrick 1966-8-10 1516 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  UC1408852  Aconitum columbianum Frederick W. Oettinger 1968-8-7 433 Siskiyou s.e. end Hancock Lake; Salmon Mts., High Lake Basins, English Peak Vicnity, Marble 1935 Comment
  CAS-BOT-BC391520  Aconitum columbianum subsp. columbianum Alice Eastwood 1912-8-30 1951 Siskiyou Mount Eddy Comment
  CAS-BOT-BC412616  Aconogonon alaskanum Doris K. Kildale 1929-8-24 9038 Siskiyou Rattlesnake Meadow, trail to Preston Peak 1676 Comment
  CAS-BOT-BC412917  Aconogonon davisiae Alice Eastwood 1912-8-30 1994 Siskiyou Mount Eddy Comment
  CAS-BOT-BC413841  Aconogonon davisiae R. E. Frenkel 1964-10-2 888 Siskiyou East of Everitt Memorial Highway near Mount Shasta 2304 Comment
  HSC29437  Actaea rubra Frederick W. Oettinger 1968-9-1 635 Siskiyou Marble Mtn. Wilderness Area, E side of Abbott's Lake 1723 Comment
  HSC4992  Actaea rubra J. O. Sawyer 1968-6-18 238 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  HSC4990  Adenocaulon bicolor J. O. Sawyer 1968-6-25 345 Siskiyou Along Horse Range Creek 1646 Comment
  JEPS95063  Agastache parvifolia Vernon Oswald and Lowell Ahart 1997-7-28 8771 Siskiyou 16 mi s of Medicine Lake (Forest Route 49 (Powder Hill Road) at 41N03 to Porcupine Butte); Forest Route 49 (Powder Hill Road) 1365 Comment
  UC1475696  Agastache parvifolia Clifton and Ground 1978-6-19 1310 Siskiyou near Bray (close to town of Macdoel); Bray Quad. 1403 Comment
  CAS-BOT-BC15482  Agoseris X dasycarpa Alice Eastwood 1921-7-29 10959 Siskiyou Medicine Lake Comment
  UC75991  Agoseris aurantiaca var. aurantiaca Milo S. Baker 1897-8-1 144 Siskiyou Payne's Springs Payne's Springs Comment
  UC922269  Agoseris aurantiaca var. aurantiaca Annie M. Alexander and Louise Kellogg 1949-7-22 5832 Siskiyou se, in meadow Paradise Lake; Marble Mountains 1920 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
  HSC46195  Agoseris heterophylla Jennifer Whipple 1977-4-30 1886 Siskiyou Scott Valley near Weston Gulch 854 Comment
  HSC77023  Agoseris heterophylla K. T. Stillman 1976-6-25 53 Siskiyou Marble Mtn. Wilderness Area, SW facing slope. 1921 Comment
  CDA345  Agoseris retrorsa T. C. Fuller 1962-6-11 8957 Siskiyou East side of Hwy 99 to Black Butte Summit, 4.1 miles south of Weed. 0 Comment
  POM208353  Agoseris retrorsa L. C. Wheeler 1934-6-11 2686 Siskiyou North Hungry Creek , Siskiyou Mtns. (Mt Diablo Mer) 1311 Comment
  CAS-BOT-BC110737  Agropyron Melissa A. Berry 1957-7-2 s.n. Siskiyou Scott Valley. 822 Comment
  CDA1688  Agropyron desertorum T. C. Fuller 1963-8-26 11161 Siskiyou Butte Valley; North limits of Macdoel. 0 Comment
  CAS-BOT-BC126988  Agrostis exarata A. A. Heller 1915-7-18 12114 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy. 1249 Comment
  HSC30613  Agrostis exarata Frederick W. Oettinger 1968-9-7 755 Siskiyou Marble Mtn. Wilderness Area, along N shoreline of Hancock Lake 1936 Comment
  UCD35447  Agrostis exarata Beecher Crampton 1956-8-22 3869 Siskiyou Lower south slopes of Mt. Shasta, Wagon Camp Road. 1645 Comment
  UCD52354  Agrostis exarata L. Whitney 1935-7-15 s.n. Siskiyou near Bulls-eye Lake. Comment
  CAS-BOT-BC139559  Agrostis gigantea Melissa A. Berry 1957-7-2 s.n. Siskiyou Fay Lane, Scott Valley. 822 Comment
  HSC30639  Agrostis idahoensis Frederick W. Oettinger 1968-9-7 765 Siskiyou Marble Mtn. Wilderness Area, around Tobacco Lake 1890 Comment
  UC535955  Agrostis idahoensis Elmer I. Applegate 1923-8-17 3841 Siskiyou w side Medicine Lake; w side Medicine Lake 1981 Comment
  HSC22444  Agrostis pallens J. O. Sawyer 1969-8-1 1644 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC30549  Agrostis pallens Frederick W. Oettinger 1969-8-22 1488 Siskiyou Marble Mtn. Wilderness Area, lower meadow at margin of woods, Horse Range Lake, Salmon Mountains 1768 Comment
  RSA237930  Agrostis pallens Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1161 Siskiyou Above Halfway Spring, on trail from English Lake to Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  RSA239085  Agrostis pallens Frederick W. Oettinger 1969-9-3 1612 Siskiyou Shasta Ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UC1265419  Agrostis pallens Frederick W. Oettinger 1969-9-3 1623 Siskiyou along trail to Tom Taylor Cabin before it enters the woods Tom Taylor Cabin; Salmon Mountains, Marble Mountain Wilderness Area, Crapo Mea 2072 Comment
  SEINET7594103 Image available Agrostis pallens F. W. Oettinger, R. F. Thorne 1969-1 1188 Siskiyou west side of English Lake, Salmon Mountains 1676 Comment
  UCD53399  Agrostis scabra R. Tofsrud 1950-7-1 s.n. Siskiyou E side of Mt. Shasta. Comment
  UC1265417  Agrostis thurberiana Frederick W. Oettinger 1969-8-22 1503 Siskiyou near Horse Range Lake (on s side of Horse Hole, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1859 Comment
  UC618871  Agrostis variabilis W. Bridge Cooke 1938-9-17 11682 Siskiyou Horse Camp Mount Shasta, Horse Camp Comment
  POM211392  Aira caryophyllea L. C. Wheeler 1934-6-4 2647 Siskiyou Dry east slope in open forest. Horse Creek. 762 Comment
  UC164477  Allium acuminatum Geo. D. Butler 1909-5-26 788 Siskiyou hill near Yreka Comment
  HSC45484  Allium bolanderi var. bolanderi Maralyn O'Meara 1974-5-25 431 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  RSA68940  Allium campanulatum A. E. Culbertson 1943-7-5 18 Siskiyou Castle Lake, 14 miles SW of Mt. Shasta on north side of a 6600 eastern spur of Trinity Mountains; 2000 above Sacramento River. Within 10 air miles of its headwaters to the west. 1657 Comment
  CAS-BOT-BC466699  Allium cratericola A. M. Vollmer; L. Beane 1951-5-31 17 Siskiyou Near highway, Scott Mountain 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
  CAS-BOT-BC469242  Allium falcifolium Roxana S. Ferris; Laura Lorraine 1948-6-12 11716 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], east fork of Scott River Comment
  RSA367095  Allium falcifolium Christopher Davidson 1975-6-5 2695 Siskiyou 0.5 miles ENE on unnamed dirt road departing to east off highway 3 at Scott Mtn. summit. 1677 Comment
  SEINET10899662  Allium falcifolium Worley 1985-6-1 WORLEY 85 Siskiyou Shast-trinity national forest. Scott mountain, t40n,r7w,sec.33 h.m. Esposed Slope and summit 1829 Comment
  CAS-BOT-BC132146  Allium siskiyouense Harley P. Chandler 1901-6-1 1647 Siskiyou Marble Mountain 2438 Comment
  CHSC2066  Allium validum V. Holt 1932-6-27 Siskiyou Black Butte Meadow. 1219 Comment
  UCR153451  Allium validum R. F. Thorne, Frederick W. Oettinger 1969-8-10 38961 Siskiyou Northwestern; Klamath Ranges region, Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  SEINET3151668  Allocarya californica G. D. Butler 1910-5-29 1424 Siskiyou Damp place near Yuka. Comment
  HSC104286  Allotropa virgata Samantha E. Andres 2016-7-23 24 Siskiyou Klamath National Forest, along Doe Flat Trail leading up to Devil's Punchbowl 1372 Comment
  HSC58964  Allotropa virgata Gilbert Muth 1976-7-28 5061 Siskiyou Near Sutcliffe Creek. Close to the town of Happy Camp, CA. 1415 Comment
  UC1037457  Allotropa virgata Douglas Barbe 1955-7-28 304 Siskiyou Eastern side of hill about 1/2 mile west of Scott Mtn. Forest Camp, Scott Mts. near the Trinity - Siskiyou County line 1645 Comment
  RSA1890  Alnus incana subsp. tenuifolia C. B. Wolf 1930-10-22 1752 Siskiyou 1 mile W of Mt Shasta City. 1067 Comment
  UC61056  Alnus incana subsp. tenuifolia W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC169649  Alnus rhombifolia Elmer I. Applegate 1923-9-5 3936 Siskiyou Klamath River 12 miles below the Pacific Highway Comment
  HSC68527  Alnus rhombifolia Maralyn A. Renner 1980-6-24 1026 Siskiyou Tributary stream E Fork Seiad Creek where crossed by FS Rd. 48N20 1021 Comment
  CAS-BOT-BC169643  Alnus rhombifolia W. R. Dudley 1901-8-24 s.n. Siskiyou Salmon? or Rush Creek Comment
  CAS-BOT-BC169384  Alnus viridis subsp. sinuata Harley P. Chandler 1901-6-1 1618 Siskiyou Ridges and meadows near Marble Mountain 2133 Comment
  RSA211261  Alnus viridis subsp. sinuata W. J. Ferlatte 1966-7-7 192 Siskiyou A flora of the Trinity Alps of northern California ; Caribou Basin. 1982 Comment
  UC207707  Alopecurus aequalis Geo. D. Butler 1908-10-16 546 Siskiyou Oro Fino Creek Comment
  CAS-BOT-BC138101  Alopecurus aequalis var. aequalis Louis C. Wheeler 1934-6-26 2795 Siskiyou Klamath Forest. Cottonwood Creek. 838 Comment
  CDA1713  Alopecurus pratensis William J. Ferlatte 1988-5-26 Siskiyou Larry Moran property, French Creek Road, Etna. 0 Comment
  CHSC71290  Alyssum alyssoides Vernon H. Oswald; Lowell Ahart 1998-6-11 9178 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  UC165945  Alyssum alyssoides Geo. D. Butler 1909-5-13 722 Siskiyou Cottonwood Creek below Hornbrook; Cottonwood Creek Comment
  CAS-BOT-BC18599  Alyssum alyssoides William Bridge Cooke 1940-6-7 15113 Siskiyou Along the side of the Pacific Highway between Mount Shasta City and Black Butte. (US99) 1219 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
  OBI55403  Ambrosia artemisiifolia David J. Keil, Kathleen Keil 1992-7-24 23564 Siskiyou E of McCloud along hwy 89, 22.6 mi W of Shasta County line Comment
  UCD35448  Amelanchier alnifolia Beecher Crampton 1956-8-22 3870 Siskiyou 3-4 miles east of Mt. Shasta City, Mt. Shasta Pine logging road. 1584 Comment
  HSC18536  Amelanchier pallida D. M. Thomson 1965-8-21 203 Siskiyou Lava Beds NM, 1/4 mi. S of Caldwell Cinder Pit Comment
  RSA237667  Amelanchier pumila Frederick W. Oettinger 1968-8-2 362 Siskiyou Meadow S of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC136885  Amelanchier utahensis Wm. Bridge Cooke 1938-8-5 11434 Siskiyou [MacBride Spring] McBride Springs Road Comment
  CAS-BOT-BC228585  Amelanchier utahensis Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-19 1927 Siskiyou The Eddys Region, Shasta-Trinity National Forest. Ca. 100 m S of Cedar Lake along road to Cliff Lake, headwaters of the Sacramento River 1744 Comment
  JEPS94380 Image available Amelanchier utahensis Vernon Oswald and Lowell Ahart 1997-7-28 8793 Siskiyou se of Medicine Lake (at Paynes Springs, on walls of Paynes Creek Canyon n of the campground); Paynes Springs, Paynes Creek Canyon 1981 Comment
  UC144390 Image available Amelanchier utahensis A. A. Heller 1905-6-5 7970 Siskiyou between Shasta Retreat and Shasta Springs; ; between Shasta Retreat & Shasta Springs, Siskiyou Co. Comment
  UC1483468 Image available Amelanchier utahensis Maralyn A. Renner 1980-8-7 2432 Siskiyou ridge s Preston Peak; Klamath National Forest, Preston Peak Quad. 1950 Comment
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  UC466781  Amelanchier utahensis Annie M. Alexander and Louise Kellogg 1911-6-17 153 A Siskiyou Jackson Lake 1798 Comment
  RSA0089947  Amsinckia menziesii var. menziesii L. C. Wheeler 1935-5-26 3534 Siskiyou Yreka Creek. Siskiyou Mts. 854 Comment
  CAS-BOT-BC45212  Anaphalis margaritacea A. A. Heller 1914-8-28 11734 Siskiyou East side of Mount Eddy 2103 Comment
  RSA120810  Anemone deltoidea G. D. Barbe 1957-7-13 388 Siskiyou Private road from Big Flat Camp to the Salmon-Trinity Alps Wilderness Area. 1524 Comment
  CHSC1425  Anemone drummondii M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  UC1096825  Anemone drummondii Douglas Barbe and H. K. Wagnon 1957-6-16 13134 Siskiyou Scott Mt. 1920 Comment
  UC723023  Anemone drummondii C. L. Hitchcock and J. S. Martin 1930-7-9 5315 Siskiyou n. side of Black Mt. near Marble Mt.; Black Mt. 2072 Comment
  HSC32294  Anemone drummondii J. O. Sawyer 1971-6-30 2398 Siskiyou 1677 Comment
  SEINET3075626 Image available Anemone occidentalis M. B. Dunkle 1945-7-1 Siskiyou Marble Mountains, Klamath National Forest. Comment
  RSA331951  Anemone occidentalis Walter Wisura 1985-7-31 4085 Siskiyou Mt. Shasta, end of Everitt Memorial Hwy, in Rocky Ravin. Comment
  RSA237409  Angelica tomentosa var. tomentosa Frederick W. Oettinger 1968-8-14 514 Siskiyou 0.1 mile east of Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  HSC42905  Anisocarpus madioides J. O. Sawyer, Ken Stillman 1976-5-28 2727 Siskiyou Along Rd. W of Sawyers Bar. 610 Comment
  HSC103575  Antennaria argentea Thomas W. Nelson, Jane Nelson 1985-6-19 7820 Siskiyou In and about Scott Mountain Campground. 1646 Comment
  CHSC91381  Antennaria dimorpha Lowell Ahart; John Dittes 2005-6-10 12075 Siskiyou On the south side of a poor dirt road, about 100 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  HSC82554  Antennaria dimorpha Thomas W. Nelson, Jane P. Nelson 1979-5-26 4714 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  SEINET10938028  Antennaria geyeri Mary Susan Taylor 1980-8-18 Taylor 3263 Siskiyou T43N R1E sw sec 8, Medicine Lake quad. Shasta-Trinity Natl Forest, Little Mount Hoffman, W side, between road and look out. With J. Prouty & E. Heinz. 2225 Comment
  HSC69160  Antennaria howellii Maralyn A. Renner 1980-8-4 2208 Siskiyou Flint Valley 1390 Comment
  HSC45211  Antennaria media J. O. Sawyer, E. Cope 1977-6-20 2964 Siskiyou Behind Devil's Punchbowl 1829 Comment
  CAS-BOT-BC79904  Antennaria microphylla Douglas Barbe 1955-8-1 327 Siskiyou Summit of Mt. Bolivar, Scott Mts. 2468 Comment
  HSC49950  Antennaria racemosa G. L. Clifton, Griswold 1979-8-12 13993 Siskiyou Near Isinglass Creek, close to the town of Fort Jones 1952 Comment
  CAS-BOT-BC94800  Antennaria rosea R. C. Wenk 2005-6-17 171 Siskiyou Trinity Alps, South Fork of the Salmon River, near Big Flat Campground at S end of Big Flat Meadow 1517 Comment
  JEPS84313  Antennaria rosea L. R. Heckard with J. Hickman et al. 1986-7-17 6533 Siskiyou s end, (se of Condrey Mt.) Alex Hole; Condrey Mt., Alex Hole 1980 Comment
  UC1037429  Antennaria rosea Douglas Barbe 1955-8-1 327 Siskiyou Mt. Bolivar (summit) Klamath Mountains, Scott Mountains 2468 Comment
  CAS-BOT-BC84769  Antennaria umbrinella Wm. Bridge Cooke 1938-8-18 11473 Siskiyou Around the Water Supply Spring and below Horse Camp 2468 Comment
  RSA425832  Antirrhinum vexillocalyculatum subsp. breweri J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5724 Siskiyou Road 8, 3.5 miles from junction with French Creek road. 915 Comment
  UC54547  Apocynum androsaemifolium H. M. Hall and E. B. Babcock June, 1903 4050 Siskiyou Mt. Shasta near Sisson; Sierra Nevada 1066 Comment
  HSC307  Apocynum androsaemifolium William J. Ferlatte 1966-8-16 374 Siskiyou Big Flat, wooded area near public camp. 1524 Comment
  CAS-BOT-BC394977  Aquilegia formosa John Thomas Howell 1937-7-24 13388 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  UC166049  Aquilegia formosa Geo. D. Butler 1909-6-23 902 Siskiyou Goosenest foothills Comment
  CAS-BOT-BC394985  Aquilegia formosa Geo. D. Butler 1909-6-23 902 Siskiyou Goosenest Comment
  SBBG2098  Aquilegia formosa H. and M. Dearing 1939-7-2 3806 Siskiyou near Salmon 1524 Comment
  HSC36732  Aquilegia formosa var. formosa Brent Whitely 1975-7-1 114 Siskiyou 671 Comment
  HSC39200  Arabis holboellii var. pinetorum J. P. Smith 1976-5-21 8774 Siskiyou Klamath National Forest, FS Rd. 40N08, 12.3 mi. from its junction with Hwy. 3 1220 Comment
  RSA77996  Arabis holboellii var. pinetorum Verne Grant, Alva Grant 1947-6-5 7972 Siskiyou Modoc Lava Beds Comment
  POM143204  Arabis holboellii var. retrofracta Geo. D. Butler 1910-5-10 1331 Siskiyou Goosenest foothills Comment
  CDA24657  Arabis holboellii var. retrofracta F. D. Horn 1977-5-2 Siskiyou Near Weed. 0 Comment
  HSC22439  Arabis holboellii var. retrofracta J. O. Sawyer 1969-7-1 998 Siskiyou SE facing slope above Paynes Lake Creek 1921 Comment
  RSA237271  Arabis holboellii var. retrofracta Frederick W. Oettinger 1969-7-11 992 Siskiyou Near Half-way Spring, trail from English Lake to Diamond Lake. Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1898 Comment
  RSA0129676  Arabis lemmonii var. lemmonii P. H. Raven 1956-9-4 10411 Siskiyou S side of Mt. Eddy 2652 Comment
  HSC90605  Arabis platysperma var. howellii Jennifer Whipple 1977-7-22 2057 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  HSC39296  Arabis subpinnatifida J. O. Sawyer 1970-4-3 2096 Siskiyou Along Sugar Creek 915 Comment
  RSA238708  Arceuthobium abietinum Frederick W. Oettinger 1968-9-5 712 Siskiyou At 'Base Camp' Meadow at mid-trail between Diamond and Hancock Lakes. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CHSC587  Arctostaphylos nevadensis V. Holt 1932-6-26 Siskiyou Mt. Eddy. 1828 Comment
  HSC69205  Arctostaphylos nevadensis Maralyn A. Renner 1980-9-1 2680 Siskiyou Bear Mtn. Comment
  HSC742  Arctostaphylos nevadensis William J. Ferlatte 1967-7-8 669 Siskiyou Near Le Roy Mine 2073 Comment
  JEPS66675  Arctostaphylos nevadensis Geo. D. Butler 1908-8-4 101 Siskiyou head Shackelford Creek 1676 Comment
  JEPS83893  Arctostaphylos nevadensis Wayne Roderick July 1976 Siskiyou areas near Cook and Green Pass (along trail to Lily Pad Lake); Siskiyou Mountains Comment
  UC21854  Arctostaphylos nevadensis Milo S. Baker 1893-8-6 Siskiyou Medicine Lakes 1828 Comment
  UCD52850  Arctostaphylos nevadensis Robert E. Preston 2001-6-23 1560 Siskiyou Klamath National Forest; north slope of Rainbow Mtn. 1767 Comment
  CAS-BOT-BC46497  Arctostaphylos patula Wayne Roderick; Jacob Sigg 1981-8-23 s.n. Siskiyou Cedar Lake. 1767 Comment
  HSC4927  Arctostaphylos patula J. O. Sawyer 1968-7-9 409 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  JEPS101963  Arctostaphylos patula Dean W. Taylor 1999-6-10 17250 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
  JEPS38840  Arctostaphylos patula W. L. Jepson 1914-8-14 6163 Siskiyou Dunsmuir 670 Comment
  RSA238582  Arctostaphylos patula Frederick W. Oettinger 1969-7-14 1018 Siskiyou On the ridge between David Montain (peak S.W. of Charmaine Lake) and the peak due S. of Abbotts lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA47637  Arctostaphylos patula Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11771 Siskiyou About 6 miles from Etna on forks of Salmon Road. 1707 Comment
  UCD53416  Arctostaphylos patula A. T. Leiser 1973-3-22 D 2504 Siskiyou Dunsmuir. Comment
  UCSB16362  Arctostaphylos patula Breedlove, Dennis 1962-6-10 Siskiyou Southwest slope of Little Greyback Mountain along Indian Creek Road from O'Brien to Happy Camp, 20.7 miles northwest of Happy Camp; Siskiyou Mountains 1554 Comment
  HSC67138  Arctostaphylos viscida J. P. Smith 1973-5-5 6482 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC47021  Arctostaphylos viscida subsp. viscida Lewis S. Rose 1945-6-22 45162 Siskiyou Walker, Klamath River. 533 Comment
  RSA47638  Arctostaphylos viscida subsp. viscida Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11799 Siskiyou Scott Mountain Road south of Callahan. Comment
  RSA264951  Arenaria congesta G. L. Clifton 1975-7-28 9908 Siskiyou Near Cook and Green Pass near the Seiad Valley 1646 Comment
  JEPS81883  Arenaria congesta var. congesta Roger Raiche 1982-7-7 20567 Siskiyou Condrey Mt. 2164 Comment
  SEINET3155346  Arenaria nuttallii G. D. Butler 1910-7-4 1638 Siskiyou Goosenest foothills 1219 Comment
  CAS-BOT-BC82251  Arnica chamissonis Roxana S. Ferris; Laura Lorraine 1941-8-11 10499 Siskiyou Grass Lake Station, on U.S. Highway 97 1554 Comment
  CAS-BOT-BC82250  Arnica chamissonis A. A. Heller 1938-7-13 15270 Siskiyou about a mile south of Bray Comment
  HSC12271  Arnica chamissonis Richard Spjut 1970-7-16 440 Siskiyou ca. 23 miles N of Weed on Hwy. 97, at Grass Lake 1524 Comment
  HSC63258  Arnica cordifolia M. A. Baker 1979-7-31 1099 Siskiyou Johnson's Hunting Ground 2080 Comment
  CAS-BOT-BC82559  Arnica discoidea J. H. Thomas 1954-5-13 4145 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, 1127 Comment
  HSC62592  Arnica discoidea Al Hobart 1967-8-8 Siskiyou Youngs Valley Comment
  RSA758221  Arnica discoidea R. F. Thorne 1969-8-2 63326 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  HSC96833  Arnica latifolia S. Lyon, J. McIntire 2006-6-25 26 Siskiyou Burns Ranch; On F.S. Rd. 39N41, 0.2 miles southwest of intersection with Rd. 39N27 1341 Comment
  HSC96404  Arnica mollis Gordon Leppig, J. Kalt 1996-7-9 349 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  JEPS82425  Arnica ovata Gilbert Muth 1966-7-31 476 Siskiyou Black Mt. (n side of) Black Mt., Marble Mt. Wilderness Area 2057 Comment
  HSC29299  Arnica viscosa Frederick W. Oettinger 1968-9-2 668 Siskiyou High Lake Basins near English Peak, marble Mountain Wilderness Area; N facing slope SSW of Upper English Lake 1860 Comment
  UC1483477  Arnica viscosa Maralyn A. Renner 1980-9-1 2697 Siskiyou Devil's Punchbowl Preston Peak Quad., Klamath National Forest 1828 Comment
  HSC30276  Artemisia douglasiana William J. Ferlatte 1971-9-18 1371 Siskiyou Big Flat, near public campground 1524 Comment
  CAS-BOT-BC93890  Artemisia dracunculus Carl B. Wolf 1927-8-27 1130 Siskiyou On the Klamath River, 7 mi. below Happy Camp Comment
  RSA417442  Artemisia ludoviciana M. B. Dunkle 1945-08 9292 Siskiyou Klamath Nat'l Forest, Marble Mountains Comment
  HSC35804  Artemisia norvegica subsp. saxatilis J. O. Sawyer 1969-8-4 1862 Siskiyou Slope SW of South Sugar Lake 2195 Comment
  UCD77361  Artemisia tridentata subsp. vaseyana Robert E. Preston 2001-8-26 1771 Siskiyou Klamath National Forest, N slope of Rainbow Mountain. 2103 Comment
  CAS-BOT-BC447707  Aruncus dioicus var. vulgaris Alice Eastwood 1921-7-30 s.n. Siskiyou Soda Creek Comment
  HSC28657  Asarum caudatum Frederick W. Oettinger, R. F. Thorne 1969-8-6 1248 Siskiyou Marble Mtns. Wilderness Area, along Pine Lake outlet stream 1829 Comment
  RSA238012  Asarum caudatum Frederick W. Oettinger, R. F. Thorne 1969-8-6 1248 Siskiyou Pine Lake Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC400700  Asarum hartwegii A. A. Heller 1905-6-5 7989 Siskiyou Plateau above Shasta Springs Comment
  HSC103546  Asarum hartwegii Thomas W. Nelson 2005-5-24 9319 Siskiyou Shoeinhorse Mountain, along Forest Service Rd. 11, just west of Butcherknife Creek 880 Comment
  HSC65314  Asclepias speciosa J. P. Smith, Steve Selva 1970-7-15 4362 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  UC221739  Asclepias speciosa H. E. Brown Jul 15 1897-Jul 31 1897 493 Siskiyou n side Mt. Shasta 1524 Comment
  UCD121377  Asclepias speciosa K. M. Meyer; A. Townesmith 2007-7-31 173 Siskiyou Shasta-Trinity National Forest. 5.3 mi. on NF Rd. 17, off US Hwy. 97, turn out right before forest rd. 42N19. 1298 Comment
  CAS-BOT-BC69592  Aspidotis densa Geo. D. Butler 1908-8-4 239 Siskiyou Head of Shackleford Creek. Comment
  HSC23619  Aspidotis densa J. O. Sawyer 1969-7-24 1512 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  HSC36875  Aspidotis densa J. P. Smith 1974-5-25 7518 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  POM23231  Aspidotis densa E. B. Copeland 1903-8-18 3815 Siskiyou Mount Eddy 1677 Comment
  RSA577265  Aspidotis densa L. C. Wheeler 1934-8-13 3112 Siskiyou East Fork Horse Creek Comment
  UC1242059  Aspidotis densa Don Branscomb 1958-7-22 Siskiyou NE Siskiyou Co Comment
  UC1408841  Aspidotis densa Frederick W. Oettinger 1968-8-23 610 Siskiyou due e and 50 ft below Diamond Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2057 Comment
  SEINET11852800  Aster alpigenus var. andersonii C. T. Pringle 1882-1 s.n. Siskiyou Mts. about headwaters of Sacramento River Comment
  SEINET10757880  Aster brickellioides Andrew Townesmith, Karen M. Meyer 2007-7-28 Townesmith 863 Siskiyou Shasta-Trinity National Forest. Along Forest Service route 26, 4.1 miles west of forest boundary. T39N R5W S10. 1277 Comment
  RSA96711  Aster chilensis Percy C. Everett, E. K. Balls 1954-10-14 20296 Siskiyou Hwy 96, along Klamath River, 1.8 miles north of Somesbar 213 Comment
  CAS-BOT-BC178817  Astragalus californicus A. A. Heller 1905-6-22 8082 Siskiyou Between Igerna and Weed, on banks along the railroad near Weed Comment
  RSA0006721  Astragalus californicus R. C. Barneby 1954-5-16 11510 Siskiyou Klamath River canyon 1-1/2 iles below Klamath River Post Office. 473 Comment
  JEPS107669  Astragalus gambelianus Lowell Ahart, John Dittes 2005-6-9 12013 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
  HSC36940  Astragalus lentiginosus var. lentiginosus J. P. Smith 1974-5-27 7611 Siskiyou Along FS Rd. 47N03 1280 Comment
  HSC62472  Astragalus purshii Diane L. Reed 1980-7-1 Siskiyou Mahogany Point just N of F.S. Rd. 45N28. Comment
  RSA48586  Astragalus purshii var. lectulus P. A. Munz 1949-5-18 13310 Siskiyou 2 miles southwest of Gazelle. Comment
  CAS-BOT-BC192966  Astragalus purshii var. purshii L. E. Smith 1913-5-18 231 Siskiyou Bray Comment
  CAS-BOT-BC210243  Astragalus purshii var. tinctus Dana York 2011-8-12 3050 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain ridge 2055 Comment
  CAS-BOT-BC199146  Astragalus whitneyi var. siskiyouensis John Thomas Howell; Alice Eastwood 1937-6-25 5019 Siskiyou Scott Mts. S of Callahan Comment
  CAS-BOT-BC198704  Astragalus whitneyi var. siskiyouensis Dorothy Parker 1946-7-20 s.n. Siskiyou Rock Fence Lake 1524 Comment
  CAS-BOT-BC198714  Astragalus whitneyi var. siskiyouensis Mrs. H. C. Cantelow 1936-5-21 s.n. Siskiyou 2 miles up Scott Mt. grade. Comment
  RSA0006883  Astragalus whitneyi var. siskiyouensis H. D. Ripley, R. C. Barneby 1954-5-7 11536 Siskiyou Scott Mts., 5 miles above Callahan. 1265 Comment
  HSC2393  Asyneuma prenanthoides William J. Ferlatte 1966-8-18 420 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's. 1524 Comment
  POM120355  Athyrium americanum Geo D. Butler 1910-7-10 1738 Siskiyou Upper Carufehell Lake. 1677 Comment
  RSA237516  Athyrium americanum Frederick W. Oettinger 1968-8-12 499 Siskiyou From Golden Peak in the area just southeast of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  SEINET9630167 Image available Athyrium filix-femina var. californicum William Bridge Cooke 1940-8-2 15407 Siskiyou Flora of Mount Shasta; Wagon camp spring area 1737 Comment
  HSC96308  Athyrium filix-femina var. cyclosorum Gordon Leppig 1998-8-14 1034 Siskiyou Russian Wilderness, W of Little Duck Lake 2200 Comment
  RSA482804  Athysanus pusillus L. C. Wheeler 1934-6-9 2675 Siskiyou Hungry Creek, Siskiyou Mts. Mt. Diablo Meridian. 1098 Comment
  CAS-BOT-BC17613  Athysanus pusillus L. E. Smith 1914-5-6 657 Siskiyou Yreka. Comment
  JEPS93962  Atriplex heterosperma Vernon H. Oswald and Lowell Ahart 1998-9-16 9649 Siskiyou 3 mi s of Highway 161 (Tour Route at Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge 1243 Comment
  UC204767  Avena fatua Geo. D. Butler 1909-6-27 849 Siskiyou Shasta River bluffs Comment
  UC204768  Avena sativa Geo. D. Butler 1908-6-25 1093 Siskiyou old fields near Yreka Comment
  JEPS117723  Azolla microphylla Lowell Ahart, John Dittes 2010-7-30 16955 Siskiyou Along the west edge of the Shasta River, about 120 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  CHSC35673  Balsamorhiza deltoidea R. E. Preston 1982-5-1 275 Siskiyou Above Irongate Reservoir, ca. 1/2 mi SE of Camp Creek Recreation Area, ca. 20 mi NE of Yreka. 716 Comment
  HSC43816  Balsamorhiza deltoidea M. A. Baker 1977-5-22 327 Siskiyou One mile west of Hwy. 3, on the road to Little Duck and Sugar Lakes Comment
  OBI55453  Balsamorhiza deltoidea David J. Keil 1992-7-20 23510 Siskiyou Klamath Natl forest, SW of Fort Jones. Along forest rd 46N64, 4.8 mi W of Scott river Rd 800 Comment
  UC165374  Balsamorhiza deltoidea Geo. D. Butler 1909-5-1 702 Siskiyou Comment
  SEINET10615492 Image available Balsamorhiza hookeri var. lanata Edward L. Greene 1876-5-2 Greene 745 Siskiyou Comment
  JEPS76149  Balsamorhiza lanata Susan Horner 1977-5-31 72 Siskiyou ca. 1.5 mi sw of, s end of Shasta Valley Weed; Shasta Valley 1042 Comment
  RSA17743  Balsamorhiza sagittata Elmer I. Applegate 1935-6-6 9383 Siskiyou Indian Well, Lava Beds National Monument Comment
  POM36318  Balsamorhiza terebinthacea Geo. D. Butler 1910-5-11 1337 Siskiyou Shasta Valley Comment
  HSC44960  Barbarea orthoceras J. O. Sawyer 1978-6-16 3223 Siskiyou Marble Mtn. Wilderness Area, Upper Elk Valley 1951 Comment
  RSA211344  Barbarea orthoceras William J. Ferlatte 1966-6-22 94 Siskiyou Along the South Fork of the Salmon River between the campground and Carter s. Trinity Alps. 1524 Comment
  UC718153  Berberis aquifolium var. aquifolium Carl B. Wolf 1934-7-5 5973 Siskiyou 7 mi from Oak Knoll Ranger Station (on Klamath River, on rd to Dry Lake Lookout); Siskiyou Mts 1371 Comment
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Mar 29 2012
  UCR101150  Berberis aquifolium var. aquifolium L. C. Wheeler 1959-7-19 7583 Siskiyou Saloman and Marble Mtns, Near White Bear Mine, Callahan Gulch off Black Bear Creek. Comment
  UC165953  Berberis aquifolium var. dictyota Geo. D. Butler 1909-4-22 591 Siskiyou along creek near Yreka Comment
  JEPS47737  Berberis aquifolium var. repens W. L. Jepson 1907-7-19 2948 Siskiyou Indian Creek Siskiyou Mts Comment
  CAS-BOT-BC75724  Berberis nervosa Doris K. Kildale 1928-7-2 5363 Siskiyou Horn Creek trail up Salmon Summit. Comment
  CAS-BOT-BC75927  Berberis piperiana Carl B. Wolf 1934-7-5 5973 Siskiyou 7 miles from Oak Knoll Ranger Station on Klamath River, on road to Dry Lake Lookout, Siskiyou Mountains. 1371 Comment
  UC796520  Betula occidentalis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11823 Siskiyou Plowman's (Noyes) Valley east fork of Scott River drainage, Parker Ranch 1203 Comment
  CAS-BOT-BC413074  Bistorta bistortoides D. E. Breedlove 1962-6-11 3370 Siskiyou Along State Hwy. 89, 17.6 miles east of McCloud; Cascade Mts. 1219 Comment
  CAS-BOT-BC413081  Bistorta bistortoides Gilbert Muth 1966-8-1 481 Siskiyou Marble Valley Horse Pasture, Marble Mts. 1792 Comment
  HSC68501  Blepharipappus scaber Maralyn A. Renner 1980-6-22 908 Siskiyou Slopes N of Little Shasta River 1372 Comment
  JEPS40211  Blepharipappus scaber Geo. D. Butler 1909-5-10 697 Siskiyou near Yreka Comment
  CAS-BOT-BC127926  Blepharipappus scaber John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53444 Siskiyou Open serpentine slope 7 miles east of Callahan on road to Gazelle 1173 Comment
  CAS-BOT-BC127937  Blepharipappus scaber Ayers; T. S. Brandegee 1887-6-1 s.n. Siskiyou unspecified Comment
  CAS-BOT-BC127973  Blepharipappus scaber Mrs. H. C. Cantelow 1936-5-21 1252 Siskiyou 12 mi. S. of Etna, rd. to Callahan Comment
  CAS-BOT-BC15805  Boechera acutina John Thomas Howell 1937-7-21 13205 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  SEINET12783915  Boechera breweri subsp. shastaensis D. W. Taylor 1996-5-30 15645 Siskiyou Hill summit just north of Wanaka Spring, Iron Gate Reservoir (about 20 miles east of Yreka, Klamath National Forest 914 Comment
  UC1026164  Boechera divaricarpa Marion Ownbey and Ruth P. Ownbey 1938-7-20 1760 Siskiyou 1 mi e Dry Lake Lookout (summit of the Siskiyou Mountains); Siskiyou Mountains Comment
  CHSC102558  Boechera howellii L. P. Janeway 2009-8-3 9885 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 1.3 air km southwest of Brewer Creek Trailhead; about 0.3 km south of Brewer Creek. 2560 Comment
  CAS-BOT-BC14674  Boechera rectissima A. A. Heller 1916-6-23 12421 Siskiyou Near Black Butte north of Sisson. 1127 Comment
  CAS-BOT-BC25625  Boechera retrofracta Lincoln Constance; Reed Clark Rollins 1942-5-13 2914 Siskiyou Scott River 10 miles southwest of Scott Bar. 609 Comment
  UC1159805  Bolboschoenus maritimus Edward J. O'Neill 1965-9-18 Siskiyou Tulelake Fish and Game Wildlife Refuge Comment
  UC171182  Boschniakia strobilacea unknown 1892-1 Siskiyou Sissons. Comment
  HSC29460  Boykinia major Frederick W. Oettinger 1968-8-15 525 Siskiyou Marble Mountain Wilderness Area, E bank of Hancock Lake 1936 Comment
  HSC45189  Boykinia occidentalis J. O. Sawyer, E. Cope 1977-6-18 2929 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  JEPS15325  Brickellia greenei Alice Eastwood 1912-8-28 1956 Siskiyou Cantara Comment
  RSA44888  Brickellia greenei J. C. Roos 1948-9-2 3975 Siskiyou 5 mi SW of Yreka. Comment
  UC337864  Brodiaea elegans subsp. elegans unknown 1889-7-26 Siskiyou Edgwood Comment
  RSA577539  Bromus carinatus L. C. Wheeler 1935-5-11 3476 Siskiyou Klamath River at Ash Creek 610 Comment
  UCD57883  Bromus carinatus Alton 1953-7-28 KNF 5 Siskiyou Siskiyou-Trinity Co. line. Klamath N. F. Long Gulch Camp. 1889 Comment
  CAS-BOT-BC148794  Bromus carinatus var. marginatus K. T. Stillman 1976-7-23 305 Siskiyou Marble Mountain Wildnerss Area. 2011 Comment
  UCD59192  Bromus carinatus var. marginatus Geo. D. Butler 1909-6-25 843 Siskiyou Near Yreka. Comment
  HSC103038  Bromus commutatus J. P. Smith 2014-6-7 13896 Siskiyou Along State Route 3 at its junction with the East Fork of the Scott River 994 Comment
  HSC103041  Bromus hordeaceus J. P. Smith 2014-6-7 13899 Siskiyou Along State Route 3 at its junction with the East Fork of the Scott River 994 Comment
  HSC65265  Bromus hordeaceus J. P. Smith 1973-5-5 6396 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UC618657  Bromus hordeaceus W. Bridge Cooke 1938-7-15 11216 Siskiyou above Bear Springs (Mount Shasta); Mount Shasta 1676 Comment
  UC70705  Bromus inermis subsp. inermis Jos. Burtt Davy June 1902 Siskiyou Sisson Comment
  CHSC83259  Bromus laevipes L. P. Janeway 2002-7-13 7644 Siskiyou High Cascade Range. Along a logging spur road 0.2 km southeast of Road 13 (Pilgrim Creek Road) 9.0 kmk northeast of the Military Pass Road (Road 19); 0.2 km north of Edison Creek. 1347 Comment
  POM204679  Bromus marginatus Copeland 1903-09 3790 Siskiyou Mt. Eddy, California 1585 Comment
  RSA126877  Bromus marginatus H. A. Jensen 1933-3-30 s.n. Siskiyou Signal Butte; Dunsmuir. 1341 Comment
  HSC68521  Bromus orcuttianus Maralyn A. Renner 1980-6-23 983 Siskiyou W Fork Seiad Creek 878 Comment
  RSA239075  Bromus orcuttianus Frederick W. Oettinger 1969-8-5 1207 Siskiyou Willow Spring on English Lake Trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CAS-BOT-BC161706  Bromus rubens Dorothy Parker 1951-5-23 517 Siskiyou McConahahy Gulch, Scott Valley. 914 Comment
  UCD59539  Bromus rubens A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3394 Siskiyou 7 miles N of Weed. Comment
  SACT001009  Bromus rubens Geo Butler 1910-5-4 Siskiyou Collected on a dry hill. Comment
  UCD59704  Bromus sterilis A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3389 Siskiyou At Weed near habitations. Comment
  HSC100204  Bromus tectorum J. P. Smith, , J. O. Sawyer, & R. J. Cole 2011-5-22 13178 Siskiyou Matthews Campground on the Cecilville to Forks of Salmon Road. 640 Comment
  SEINET10515131  Bromus tectorum A. Arthur Heller 1905-6-9 Heller 8012 Siskiyou Montague. Comment
  HSC69362  Calamagrostis breweri Maralyn A. Renner 1980-8-19 2506 Siskiyou S side of Caribou Lake 2104 Comment
  HSC92322  Calamagrostis breweri Jennifer Whipple 1976-9-3 1779 Siskiyou W facing slope of ridge between Durney Lake and Little Crater Lake 2409 Comment
  HSC97183  Calamagrostis canadensis Gordon Leppig 1998-8-14 1033 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  RSA239015  Calamagrostis canadensis Frederick W. Oettinger 1969-9-4 1634 Siskiyou East side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UCSC000100  Calamagrostis koelerioides A. H. Murphy 1956-8-16 560 Siskiyou Big Marshy Meadow - Klamath National Forest 1981 Comment
  CAS-BOT-BC185256  Calamagrostis koelerioides W. R. Dudley 1901-8-23 s.n. Siskiyou Slope and top of Foxtail Ridge. Comment
  SEINET10900602  Calamagrostis koelerioides A. Arthur Heller 1915-8-26 Heller 12243 Siskiyou Open gravelly places, north side of Mt. Eddy. Douglas fir and white fir are the principal trees, Ceanothus, Quercus vaccinifolia and manzanita common shrubs. Comment
  CHSC62797  Calliscirpus criniger L. P. Janeway 1993-8-30 4567 Siskiyou West side of Cedar Lake; head of South Fork Sacramento River. 1741 Comment
  HSC28738  Calocedrus decurrens Frederick W. Oettinger 1968-8-13 505 Siskiyou Marble Mtn. Wilderness Area, bank of Hancock Lake 1936 Comment
  HSC69737  Calocedrus decurrens Maralyn A. Renner 1980-6-26 1280 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  JEPS39848  Calocedrus decurrens W. L. Jepson 1907-7-19 2946 Siskiyou Indian Creek Siskiyou Mts., Indian Creek Comment
  UC718145  Calocedrus decurrens C. B. Wolf and E. R. Johnson 1934-10-8 6168 Siskiyou Modoc Lava Beds Modoc Lava Beds (14.3 mi e of Fall Riveron Rd. from Dana to Little Hot Springs Valley) 1219 Comment
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Mar 29 2012
  NY18936  Calocedrus decurrens H. E. Brown 1897-7-1 507 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
  UCR93344  Calochortus coeruleus Kathy Harper, Dane Karr 1994-6-15 s.n. Siskiyou State Hwy 89 about 5 mi west of Bartle 1159 Comment
  JEPS84241  Calochortus elegans L. R. Heckard with J. Hickman et al. 1986-7-17 6470 Siskiyou ca 5 mi n Seiad Valley (town) (s of Lily Pad Lake, trail up Kangaroo Peak, wall of e ridge); Kangaroo Peak 1800 Comment
  SEINET12053890  Calochortus elegans var. nanus M. Ownbey, Brown, D. H. 1941-1 2429 Siskiyou near Gunsight Peak, mountains W of Yreka Comment
  HSC15364  Calochortus macrocarpus R. C. Wunner 1965-7-20 401 Siskiyou Lava Beds National Monument, Indian Wells near N prefab 1433 Comment
  SEINET8339364  Calochortus macrocarpus Frank Callahan 2007-6-23 Siskiyou Louie Rd. exchange off I-5 going northeast on pavement - pavement ends and road turns to gravel. Comment
  HSC582  Calochortus nudus William J. Ferlatte 1966-8-3 272 Siskiyou Josephine Lake basin 1677 Comment
  UC1333321  Calochortus nudus Dorothy Parker 1949-7-4 Siskiyou Summit of Scott Mountain 1676 Comment
  UC1408792  Calochortus nudus F. W. Oettinger 1969-7-25 Siskiyou ca 15 air mi sw Weed (near Kangaroo Lake Campground); Shasta-Trinity National Forest, Scott Mts. Comment
  UC160447  Calochortus nudus I. J. Condit 1911-7-15 Siskiyou McCloud Comment
  UC3464  Calochortus nudus W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson Mount Shasta Comment
  SEINET8273312  Calochortus nudus Frank Callahan 2007-7-5 Siskiyou Methodist Camp Meadows above or west of Scott Camp Creek. 1483 Comment
  SEINET8339365  Calochortus persistens Frank Callahan 2007-6-18 Siskiyou Little Cottonwood Peak; ca. 13 miles south of the Oregon State Line. 1500 Comment
  HSC65411  Calochortus tolmiei Rich White 1978-7-3 209 Siskiyou Saddle in Spur Ridge between Dillon Trail and 5759 1662 Comment
  CAS-BOT-BC132625  Calochortus uniflorus John Thomas Howell 1937-7-23 13366 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  JEPS82681  Caltha biflora Wayne Roderick 1984-6-7 Siskiyou North side of Mt. Eddy road 17. 1676 Comment
  UC909366  Caltha biflora Ira L. Wiggins 1950-5-28 12367 Siskiyou Above Grouse Creek, ca 1.5 miles from Carmen Lake. 1584 Comment
  HSC43363  Caltha leptosepala N. G. Sugihara 1977-5-28 63 Siskiyou Bank of Haypress Creek 100 yds. upstream from edge of Haypress Meadow 1463 Comment
  JEPS24807  Calycadenia fremontii Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6816 Siskiyou 7 mi e Callahan 1127 Comment
  UC1971713  Calycadenia fremontii 1978-8-17 2131 Siskiyou 2.5 mi E of Callahan on the Gazelle-Callahan Road (near GDC 780), no plants at 2.0 mi E of Callahan 1022 Comment
  UC166116  Calycadenia truncata Geo. D. Butler 1908-8-29 320 Siskiyou Comment
  POM53159  Calycadenia truncata subsp. scabrella E. B. Copeland 1903-7-4 3547 Siskiyou Klamathon. Comment
  UC1090385  Calyptridium monospermum Milo S. Baker 1957-6-15 13116 Siskiyou road cut just s of Weed Comment
  UC61082  Calyptridium monospermum W. A. Setchell, C. C. Dobie 1902-7-12 Siskiyou Sisson; Mount Shasta, Sisson Comment
  UC454262  Calyptridium umbellatum I. J. Condit 1909-8-23 Siskiyou Castle Lake near Sisson; Castle Lake Comment
  CAS-BOT-BC221255  Calystegia malacophylla subsp. malacophylla A. A. Heller 1919-6-27 13280 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC160910  Camissonia tanacetifolia subsp. tanacetifolia V. June Wetherell 1961-8-9 490 Siskiyou Lava Beds National Monument Comment
  JEPS11740  Campanula prenanthoides W. L. Jepson 1914-8-14 6172 Siskiyou Dunsmuir 670 Comment
  SDSU1366  Campanula prenanthoides D. F. Howe 1962-8-4 3388 Siskiyou Baldy Mts. 1524 Comment
  SD104864  Campanula prenanthoides Darley F. Howe 1979-6-25 Siskiyou 7.0 miles southeast of Domes Bar. Comment
  SEINET10463090  Campanula prenanthoides Howell 1937-7-26 Howell 13561 Siskiyou Between Big Flat and Caribou Gulch Comment
  SEINET10463106  Campanula prenanthoides Life 1923-8-6 LIFE s.n. Siskiyou Shasta Springs Comment
  SEINET10463113  Campanula prenanthoides Willis L. Jepson 1914-8-14 Jepson 6172 Siskiyou DUNSMUIR 671 Comment
  SEINET10463361  Campanula prenanthoides Alice Eastwood 1922-10-18 Eastwood 11530 Siskiyou Shasta Springs Comment
  UC890554  Campanula rotundifolia John Thomas Howell 1939-8-4 15046 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  SEINET10464347  Campanula rotundifolia Albert Kellogg 1853-8-5 Kellogg 108 Siskiyou Cabin Meados, 1 miles north of Cory Peak, Klamath NAtional Forest (11 miles east of Callahan on road to Gazelle, then south 5.8 miles on logging road) 1844 Comment
  SEINET10463387  Campanula scabrella Muth 1978-8-1 MUTH 6901 Siskiyou Near Cory peak, on the China Mountain quadrangle, clase to the town of Callahan 2219 Comment
  SEINET10463380  Campanula scabrella A. Arthur Heller 1920-7-9 Heller 13428 Siskiyou MT. EDDY, HIGH UP IN GRAVEL ON THE LONG BARE EASTERN SLOPE 2438 Comment
  HSC77128  Campanula scouleri L. P. Janeway 1983-9-11 651 Siskiyou Poker Flat 1524 Comment
  POM59302  Campanula scouleri W. A. Setchell 1902-7-26 13688 Siskiyou Mt. Shasta. Sisson. Comment
  UC29022  Campanula scouleri Edward L. Greene 1876-8-22 1010 Siskiyou Scott Mountain 1828 Comment
  CAS-BOT-BC37191  Capsella bursa-pastoris A. A. Heller 1916-6-20 12417 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy. 1188 Comment
  SFV1451  Cardamine D. Parker 1949-6-11 227 Siskiyou Blue Creek. Comment
  UCD77453  Cardamine bellidifolia Robert E. Preston 2001-6-23 1587 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W nw 1/4 of ne 1/4 Section 23 1950 Comment
  CAS-BOT-BC37748  Cardamine californica J. H. Thomas 1954-5-13 4140 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River 5 to 9 miles southeast of Cecilville. 1066 Comment
  HSC29188  Cardamine californica Frederick W. Oettinger 1967-7-26 184 Siskiyou Marble Mtn. Wilderness Area, just below Tom Taylor Cabin spring 2049 Comment
  HSC60817  Cardamine californica Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC90977  Cardamine californica Jennifer Whipple 1977-8-5 2169 Siskiyou Mt. Eddy, Wagon Creek drainage near Wagon Creek 2287 Comment
  SFV1447  Cardamine californica D. Parker 1949-5-8 222 Siskiyou Salmon Mountain Range along Kidder Creek. 915 Comment
  POM95843  Cardamine californica var. integrifolia Geo. D. Butler 1910-6-4 1487 Siskiyou Shackleford Creek Comment
  UC1736492  Cardamine nuttallii Dean W. Taylor 1999-6-10 17252 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
  RSA60623  Cardamine pulcherrima I. L. Wiggins 1950-5-28 12375 Siskiyou On ridge between Carmen Lake and headwaters of Grouse Creek. 1799 Comment
  CDA38722  Carduus acanthoides Tanya Chapple 2012-7-26 PDR# 470 P06027587 Siskiyou Dillon watershed, west of Dillon Mountain. Comment
  CHSC48061  Carex L. P. Janeway 1983-8-28 633 Siskiyou At Poker Flat. S edge of mdw bordering forest. 1524 Comment
  CHSC99692  Carex abrupta L. P. Janeway 2008-7-24 9475 Siskiyou Klamath Ranges. Siskiyou Mountains; at end of short spur road into top of Alex Hole; 1.0 km east-southeast of Condrey Mountain. 1975 Comment
  RSA237245  Carex abrupta Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1260 Siskiyou Lower pond, Tom s Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  SEINET7484119 Image available Carex abrupta Ray Tallent 1987-1 911 Siskiyou Klamath National Forest; Trail to Long Gulch Lake 1820 Comment
  RSA364723  Carex amplifolia L. C. Wheeler 1934-6-14 2711 Siskiyou Arrastre Creek off Hungry Creek. Siskiyou Mountains. 1280 Comment
  CAS-BOT-BC17960  Carex angustata William Bridge Cooke 1939-7-7 13618 Siskiyou Mount Shasta. In the bog formed by the lower Wagon Camp Springs. 1737 Comment
  HSC76314  Carex aquatilis L. P. Janeway 1982-8-22 178 Siskiyou Near the old jeep road between Poker Flat and Kelly Lake 1555 Comment
  CHSC55553  Carex aquatilis var. dives L. P. Janeway 1983-8-16 560 Siskiyou At Poker Flat. 1524 Comment
  HSC85806  Carex aquatilis var. dives L. P. Janeway 1983-8-28 637 Siskiyou Poker Flat, middle of meadow 1529 Comment
  CAS-BOT-BC18128  Carex athrostachya D. E. Breedlove 1962-6-10 3320 Siskiyou On the north bank of the Klamath River at its junction with Goff Creek, 4.5 miles west of Seiad. 411 Comment
  UC1573170  Carex athrostachya Dean Wm. Taylor with Glenn Clifton, R. Douglas Stone 1987-8-5 9240 Siskiyou Porcupine Lake Modoc Plateau, Porcupine Lake 1304 Comment
  UCD143811  Carex athrostachya Barbara L. Wilson; Richard E. Brainerd 2010-8-8 16259 Siskiyou on road 26 near Gumboot Lake. 1828 Comment
  CAS-BOT-BC19562  Carex bolanderi H. A. Thomas; J. H. Thomas 1954-7-21 4416 Siskiyou Salmon - Trinity Mountains. About 6 miles SE of Cecilville. West side of Rush Creek. 1158 Comment
  JEPS109271  Carex bolanderi D. W. Taylor 2005-7-14 19401 Siskiyou Wagon Camp, along Forest road 40N25, Panther Creek drainage, Mount Shasta Comment
  SEINET7552632 Image available Carex bolanderi David Castaner 1989-6-18 10230 Siskiyou McBridge Springs-dry bed Mt Shasta Comment
  UC1265324  Carex brainerdii Frederick W. Oettinger 1969-8-3 1146 Siskiyou above English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  CAS-BOT-BC19651  Carex brainerdii William Bridge Cooke 1939-8-10 13819 Siskiyou Mount Shasta. In the bed of Mud Creek Canyon. 1828 Comment
  CAS-BOT-BC34159  Carex breweri Leo Whitney 1934-6-17 2013 Siskiyou North side of Mt. Shasta. 2895 Comment
  CHSC102554  Carex breweri L. P. Janeway 2009-8-4 9900 Siskiyou High Cascade Range. Mt. Shasta, north slope 3.7 air km south-southwest of Brewer Creek North Gate Trailhead. 2783 Comment
  CAS-BOT-BC34376  Carex cusickii John Thomas Howell 1937-7-23 13335 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC34881  Carex deflexa var. boottii John Thomas Howell 1939-8-3 15007 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  HSC7059  Carex douglasii Robert C. Wunner 1965-8-21 462 Siskiyou Lava Beds National Monument, 1/4 mi. S of Caldwell Cinder Pit, near base of Caldwell Butte Comment
  HSC39845  Carex echinata subsp. echinata J. O. Sawyer 1969-7-25 1563 Siskiyou Above High Lake 2104 Comment
  SEINET7557949 Image available Carex echinata subsp. echinata Juha Pykala, D. H. Norris 1987-7-7 2333 Siskiyou Shasta National Forest, E of China Mountain, beside a trail from Deadfall Creek Meadows to Stewart Springs. 1890 Comment
  RSA237276  Carex fracta Frederick W. Oettinger 1969-8-16 1393 Siskiyou SW of Wiregrass Meadow below English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  JEPS93901  Carex gigas Vernon H. Oswald and Lowell Ahart 1998-8-3 9442 Siskiyou w of Kangaroo Lake (near the Pacific Crest Trail in the Scott Mountains); Scott Mountains 1981 Comment
  UC1025114  Carex gigas Douglas Barbe 1955-7-9 145 Siskiyou small stream at sw shore Klamath Mountains, Scott Mtns., Kangaroo Lake 1828 Comment
  HSC77158  Carex globosa L. P. Janeway 1983-7-17 415 Siskiyou NE facing slope at edge of FS Rd. 18N33, 7 mi. from the Grayback Rd. 1463 Comment
  SEINET13371885  Carex inops subsp. inops D. W. Taylor 2014-5-29 21481 Siskiyou Mt. Shasta, southeastern flank of the base of the mountain, Squaw Valley Creek watershed 1664 Comment
  UC618786  Carex inops subsp. inops J. W. Stacey 1938-7-22 11331 Siskiyou Mount Shasta: Sisson Southern Trail. Comment
  UCD140468  Carex interior A. A. Heller 1920-7-11 13411 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1158 Comment
  HSC29626  Carex laeviculmis Frederick W. Oettinger 1969-8-19 1458 Siskiyou Marble Mtn. Wilderness Area, Abbott's Basin 1905 Comment
  SEINET7563602 Image available Carex laeviculmis L. P. Janeway 2006-7-1 8721 Siskiyou Klamath Ranges. Salmon Mountains, just west of Carter Meadow, north side of South Fork Salmon River. Deadman Peak 7.5' quad. 1579 Comment
  HSC48036  Carex laeviculmis D. H. Norris 1972-6-11 22842 Siskiyou Along Duck Lakes Trail near Parrott's Mill Rd. 1677 Comment
  UC1584279  Carex lenticularis J. Kierstead 1990-5-8 90 -59 Siskiyou Lower Falls of the McCloud River McCloud R.D. 1828 Comment
  CAS-BOT-BC31304  Carex lenticularis var. impressa W. R. Dudley 1901-8-18 s.n. Siskiyou Jacksons Lake. Comment
  CAS-BOT-BC482439  Carex lenticularis var. impressa Dana York 2010-9-11 3012 Siskiyou Six Rivers Naitonal Forest, NE slope of Broken Rib Mountain 1670 Comment
  HSC41053  Carex lenticularis var. lipocarpa J. O. Sawyer 1969-7-9 1108 Siskiyou S of Little Duck Lake 2012 Comment
  POM81783  Carex lenticularis var. lipocarpa Geo D. Butler 1910-7-8 1665 Siskiyou Log Lake, Shackleford Creek. 1220 Comment
  CAS-BOT-BC31435  Carex leporinella Louis C. Wheeler 1934-8-9 3087 Siskiyou Jaynes Canyon. 1981 Comment
  HSC48041  Carex leptopoda D. H. Norris 1972-6-11 22844 Siskiyou Along Duck Lakes trail near Parrott's Mill Rd. 1677 Comment
  HSC91401  Carex luzulina Jennifer Whipple 1977-8-5 2167 Siskiyou Mt. Eddy, Wagon Creek drainage near Wagon Creek 2287 Comment
  SEINET7566355 Image available Carex luzulina Ray Tallent 1987-8-16 943 Siskiyou Mt. Shasta area, Panther Meadows Trailhead area. 2220 Comment
  UC1265320  Carex luzulina var. ablata Frederick W. Oettinger 1968-8-3 374 Siskiyou Diamond Lake Salmon Mountains, Marble Mountain Wilderness Area (high lake basins in the vicinity of English Peak) 1828 Comment
  SEINET7566760 Image available Carex mariposana Frederick W. Oettinger 1968-9-8 733 Siskiyou High Lake Basin in the vicinity of English Peak, Marble Mountains Wilderness Area. Area of late snow-hold, southeast of Tom's Lake. 2149 Comment
  HSC45960  Carex multicaulis J. P. Smith 1973-5-5 6395 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  CAS-BOT-BC32008  Carex multicaulis Roxana S. Ferris; Laura Lorraine 1948-6-12 11801 -A Siskiyou At Mule Creek crossing, Scott Mountain road south of Callahan. Comment
  HSC97419  Carex multicaulis Jennifer Whipple 1978-7-20 2365 Siskiyou S face of Mount Eddy, draining into the N fork of the Sacramento River 2439 Comment
  HSC97433  Carex multicaulis Jennifer Whipple 1976-6-18 1040 Siskiyou Near Little Crater Lake 2470 Comment
  RSA364654  Carex multicaulis J. P. Smith 1973-5-5 6395 Siskiyou In and around the O Neill Campground near Seiad Valley. 488 Comment
  UCR45814  Carex multicostata K. T. Stillman 1976-7-30 328 Siskiyou Marble Mountain Wilderness Area. Elk Valley. Comment
  HSC76810  Carex multicostata L. P. Janeway 1982-8-13 130 Siskiyou Along trail S from Bear Lake 1890 Comment
  RSA237308  Carex multicostata Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1244 Siskiyou Pine Lake Meadows. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1845 Comment
  HSC77269  Carex nebrascensis L. P. Janeway 1983-7-30 468 Siskiyou Along road to Copco Lake 884 Comment
  UC642550  Carex nebrascensis J. W. Stacey 1939-6-23 13502 Siskiyou near Municipal Spring (above Howard); Mount Shasta Comment
  CAS-BOT-BC119678  Carex nervina William Bridge Cooke; V. G. Cooke 1976-10-23 53980 Siskiyou In wet meadow, Wagon Camp, Mt. Shasta. 1737 Comment
  CAS-BOT-BC119478  Carex nudata John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-20 53559 Siskiyou East Fork Scott River 2 mi E of Callahan on road to Gazelle. 1005 Comment
  UC143741  Carex nudata Copeland 1903-7-4 3541 Siskiyou Klamathon Pacific Coast Comment
  SEINET10711621  Carex nudata George D. Butler 1910-5-21 Butler 1377 Siskiyou Klamath River. Comment
  SEINET7569408 Image available Carex nudata Frederick W. Oettinger 1968-9-5 709 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, south end of Diamond Lake. 2073 Comment
  SEINET4290229 Image available Carex pachycarpa Unknown 2008-1 9502 Siskiyou Klamath Ranges; Siskiyou Mountains; 3.2 air km southwest of Cook and Green Pass, 0.4 km southeast of Red Butte. Comment
  CAS-BOT-BC118934  Carex pellita Elmer Ivan Applegate 1895-5-28 787 Siskiyou Sacramento River below Sisson. Comment
  SEINET10715701  Carex pellita A. Arthur Heller 1905-6-22 Heller 8095 Siskiyou Between Igerna and Weed. Comment
  CAS-BOT-BC119129  Carex phaeocephala P. M. Kamb 1949-8-25 1498 Siskiyou SW slope of Mt. Shasta, above Horse Camp 3169 Comment
  CHSC91376  Carex praegracilis Lowell Ahart; John Dittes 2005-6-10 12083 Siskiyou West edge of a water ditch, pipe discharge, pasture, about 90 yards east 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
  RSA577427  Carex praegracilis L. C. Wheeler 1935-6-30 3632 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  SBBG125479  Carex praegracilis L. Ahart, J. Dittes 2010-7-30 16953 Siskiyou grassy meadow ca. 30 yards W of the Shasta River, ca. 50 yards W of the E Louie Rd Bridge, Shasta Big Springs Ranch, 1.6 mi SW of Big Springs Lake, 4.6 mi NW of Dwinnel Dam 5.7 mi SE of Grenada 716 Comment
  SEINET10817769  Carex praegracilis George D. Butler 1910-4-19 Butler 1202 Siskiyou Damp gully near Yreka. Comment
  CAS-BOT-BC118777  Carex preslii John Thomas Howell 1939-8-2 14907 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC118785  Carex preslii Louis C. Wheeler 1934-8-6 3049 Siskiyou Bear Ground Gulch off Jaynes Canyon. Siskiyou Mts. 1676 Comment
  SEINET7573864 Image available Carex rossii Barbara L. Wilson 1996-5-31 8101 Siskiyou Klamath National Forest, 3.4 miles east of the highway rest area at Grass Lake on Highway 97, at intersection with a dirt road marked "M.P. 372.8". 1524 Comment
  JEPS87797  Carex scabriuscula Vernon H. Oswald and Lowell Ahart 1994-8-1 6422 Siskiyou on the upstream side of Forest Rd. 26 ca. 0.5 mi (air) ne Gumboot Lake (w of Mt. Shasta (city), Gumboot Creek); Gumboot Creek 1783 Comment
  SEINET7574453 Image available Carex scabriuscula L. P. Janeway 2006-7-4 8789 Siskiyou Scott Mountain 7.5' quad. Klamath Ranges, Scott Mountains, Darlingtonia fen and creek let complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  HSC91264  Carex scopulorum Jennifer Whipple 1977-8-6 2213 Siskiyou Mt. Eddy, SW of Dobkins Lake along drainage into the lake 2195 Comment
  UCD63042  Carex scopulorum var. bracteosa 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
  SEINET10751138  Carex scopulorum var. bracteosa A. Arthur Heller 1922-7-3 Heller 13673 Siskiyou Wet soil along Wagon creek, Mt. Eddy, in the Canadian zone. 2195 Comment
  CAS-BOT-BC117530  Carex serratodens M. A. Berry 1957-7-4 s.n. Siskiyou High CCC Road, S of Hwy 96, between Ridge and Humbug roads. 1371 Comment
  CHSC44945  Carex serratodens L. P. Janeway 1983-5-29 317 Siskiyou Drainage ditch on N side of Scott River Rd, on N side of Scott River; opposite Indian Scotty USFS campground. 762 Comment
  SEINET7575204 Image available Carex serratodens David Castaner 1989-6-19 10241 Siskiyou Along Highway 3, between Callahan and Gazelle. Comment
  CAS-BOT-BC117259  Carex spectabilis William J. Ferlatte 1967-8-21 1066 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake. 2286 Comment
  HSC96549  Carex spectabilis Gordon Leppig 1998-8-14 1027 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  UC1265453  Carex spectabilis Frederick W. Oettinger 1969-9-2 1602 Siskiyou above Tom Taylor Cabin (Bear Meadow); Salmon Mountains, Marble Mountain Wilderness Area 2164 Comment
  UC1265477  Carex spectabilis Frederick W. Oettinger 1968-9-4 700 Siskiyou slope se Abbotts Lake; Salmon Mountains, Marble Mountain Wilderness Area 1722 Comment
  SEINET10747930  Carex stipata A. Arthur Heller 1925-7-13 Heller 13897 Siskiyou In wet soil in shade at the State Teachers College near the town of Mt. Shasta in the yellow pine belt. Comment
  POM254181  Carex straminiformis J. T. Howell 1939-8-2 14908 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  SD53353  Carex straminiformis Darley F. Howe 1962-8-6 Siskiyou Mt. Shasta 2438 Comment
  SEINET4292103 Image available Carex straminiformis Unknown 2006-1 8776 Siskiyou Klamath Ranges. Salmon Mountains; south side of upper Carter Meadows 0.5 km west of Carter Meadows Summit. Comment
  UC1371  Carex straminiformis W. H. Brewer 1862-9-13 1399 Siskiyou Mount Shasta 2133 Comment
  CAS-BOT-BC33155  Carex straminiformis William Henry Brewer 1397 Siskiyou Pyramid Peak Comment
  SEINET7576422 Image available Carex straminiformis E. B. Copeland 1903-8-16 3893 Siskiyou Mt. Shasta. 2438 Comment
  CAS-BOT-BC115862  Carex subfusca J. M. Tucker 1950-7-24 1951 Siskiyou Beside Cold Creek at the Military Road crossing ca 6 mi NW of Pilgrim Creek Experiment Station, Comment
  CHSC48066  Carex subfusca L. P. Janeway 1983-5-29 316 Siskiyou Along wet drainage ditch on N side of Scott River Rd on N side of Scott River, opposite Indian Scotty USFS campground. 762 Comment
  HSC86440  Carex subfusca D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta 2134 Comment
  RSA238971  Carex subfusca Frederick W. Oettinger 1969-8-19 1464 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
  UC835109  Carex utriculata John Thomas Howell 1939-8-9 15197 Siskiyou Sky High Valley Marble Mts. 1828 Comment
  CAS-BOT-BC114818  Carex whitneyi William Bridge Cooke 1938-7-1 11161 Siskiyou Mount Shasta. 1676 Comment
  CHSC69097  Carex whitneyi Vernon Oswald; Lowell Ahart 1997-7-28 8799 Siskiyou Schonchin Spring Campground at Medicine Lake. 2057 Comment
  HSC48105  Carex whitneyi D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19530 Siskiyou Along Hwy. 89 at Snowman's Hill Summit, 3 mi. E of McCloud Comment
  SEINET3522873 Image available Castanopsis sempervirens James Montgomery 1969-7-24 80920 a Siskiyou Open south facing hillside, 8 miles east of Mt. Shasta (town) on Ski Bowl Road. 1737 Comment
  HSC72454  Castilleja applegatei subsp. pinetorum J. P. Smith, Steve Selva 1970-6-15 3962 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  JEPS16795  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with G. Thomas Robbins and C. Leroy Custer 1954-8-13 4796 Siskiyou 2.5 mi s and above Callahan to Carrville road junction with Gazelle road (lower part of grade over Scott Mtn. (road from Callahan to Carrville)); Scott Mtn. 1371 Comment
  RSA425926  Castilleja applegatei subsp. pinetorum Francis W. Pennell 1940-7-18 26185 Siskiyou Route 99, 2-3 miles north of Mount Shasta City. 1159 Comment
  UC1063039  Castilleja applegatei subsp. pinetorum M. H. Mitchell 1936-4-21 Siskiyou Heppe Chimney; Modoc Lava Beds National Monument, Dorris Quad. 1478 Comment
  UC163705  Castilleja applegatei subsp. pinetorum Geo. D. Butler 1910-5-1 1255 Siskiyou near Yreka Comment
  RSA120313  Castilleja applegatei subsp. pinetorum S. S. Tillett 1956-7-9 667 Siskiyou On north sloping ridge between Little and Big Carmen Lakes, north side of Scott Mtn., Siskiyou-Trinity County line, ca. 8 miles SE of Callahan. 1921 Comment
  CAS-BOT-BC243759  Castilleja applegatei var. pinetorum Elmer I. Applegate 1935-6-6 9359 Siskiyou Caldwell Butte, Lave Beds Natjional Monument Comment
  CAS-BOT-BC243753  Castilleja applegatei var. pinetorum David D. Keck 1938-8-8 4873 Siskiyou At Trinity Co. line, Scott Mountain Divide, between Scott Mtn. and Craggy Peak 1676 Comment
  JEPS19005  Castilleja arachnoidea H. K. Wagnon 1957-8-11 1699 Siskiyou 1 mi w Military Pass Rd. (along rd to Brewer Creek, e slope of Mt Shasta); North Coast Ranges, Mt. Shasta Comment
  RSA666322  Castilleja arachnoidea Barbara J. Ertter 1990-7-16 9381 Siskiyou NW side of Mt Eddy ca 8 airmiles SW of Weed, ca 2 mi E of Parks Cr trailhead (= crest of Rt 17) along ridge. 2317 Comment
  JEPS9986  Castilleja attenuata Geo. D. Butler 1909-5-22 717 Siskiyou near Yreka Comment
  UC164374  Castilleja lacera Geo. D. Butler 1909-6-20 932 Siskiyou near Yreka Comment
  UCR21105  Castilleja lacera T. W. Fisher, Earl Oatman, R. E. Orth 1974-6-26 s.n. Siskiyou McIntosh Ranch on the McCloud River near Bartle 1220 Comment
  CAS-BOT-BC253612  Castilleja miniata H. A. Thomas; J. H. Thomas 1954-7-25 4533 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville. 1981 Comment
  HSC72404  Castilleja miniata J. P. Smith, Steve Selva 1970-7-17 4477 Siskiyou Below Kangaroo Lake. 1890 Comment
  JEPS9772  Castilleja miniata Geo. D. Butler 1908-8-10 424 a Siskiyou Shackleford Creek Comment
  RSA165515  Castilleja miniata Clare B. Hardham 1961-6-30 7997 Siskiyou Siskiyou Mountains: White Mt. Comment
  RSA233698  Castilleja miniata Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38968 Siskiyou S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  CAS-BOT-BC241051  Castilleja pilosa David D. Keck 1940-6-13 5171 Siskiyou 1 mi. S.W. of Grass Lake 1525 Comment
  JEPS90569  Castilleja pilosa Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-6 9011 Siskiyou Egg Lake Upper Modoc Plateau 1298 Comment
  HSC19032  Castilleja pruinosa J. O. Sawyer 1969-6-2 1019 Siskiyou Summit above Albert Lake 2256 Comment
  HSC19304  Castilleja pruinosa J. O. Sawyer 1968-6-25 310 Siskiyou NE of N Horse Range Lake 2012 Comment
  JEPS2939  Castilleja schizotricha Geo. D. Butler 1908-8-5 423 Siskiyou w of Cold Spring Camp (trail); Woolly Creek; Cold Spring Camp, Woolly Creek, Siskiyou Co. Comment
  UC870511  Ceanothus cordulatus A. A. Heller 1916-6-20 12418 Siskiyou Metcalf's ranch, NE base of Mt. Eddy 1188 Comment
  CAS-BOT-BC48390  Ceanothus cuneatus Doris K. Kildale 1929-4-27 7847 Siskiyou Cecilville, south fork of Salmon River Comment
  JEPS82333  Ceanothus cuneatus var. cuneatus Roger Raiche 1983-8-14 30616 Siskiyou near suumit of rd to Mt. Eddy (rd to Dead Fall Meadow) Comment
  JEPS42443  Ceanothus integerrimus Geo. D. Butler 1909-5-31 769 Siskiyou Humbug Mt. Comment
  UCR136765  Ceanothus integerrimus E. E. Stanford 1930-6-15 1586 Siskiyou 1 mile north of Dunsmuir 793 Comment
  SEINET5430944 Image available Ceanothus jepsonii Ross C. Clark, Bob Harvey; Chris Harvey 23913 Siskiyou Town of Mt. Shasta. Comment
  CAS-BOT-BC53095  Ceanothus prostratus Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou West side of Gumboot Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC53100  Ceanothus prostratus Doris K. Kildale; J. W. Gillespie 1929-6-22 8037 Siskiyou Mt. Shasta - Black Butte Comment
  UCSB24688  Ceanothus prostratus Favere, R. 1968-4-21 Siskiyou on flat at foot of Black Butte; On old US 99, 3 miles north of Mount Shasta City; Scott Mountains. 1371 Comment
  CAS-BOT-BC52171  Ceanothus pumilus Geo. D. Butler 1909-4-24 907 Siskiyou Greenhorn road Comment
  RSA183666  Ceanothus velutinus Gilbert Muth 1965-7-30 114 Siskiyou Marble Valley, Marble rim Comment
  RSA238025  Ceanothus velutinus Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1228 Siskiyou Southeast of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  RSA398982  Ceanothus velutinus M. B. Dunkle 1944-7-7 9074 Siskiyou Deer Creek. 1768 Comment
  CAS-BOT-BC63155  Ceanothus velutinus W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox. Comment
  CAS-BOT-BC52808  Ceanothus velutinus var. velutinus Laura M. Lathrop 1903-7-25 s.n. Siskiyou Mt. Bradley Comment
  CAS-BOT-BC52843  Ceanothus velutinus var. velutinus Doris K. Kildale 1929-7-20 8709 Siskiyou Raspberry Lake, near east spur Preston Peak Comment
  UC618737  Ceanothus velutinus var. velutinus W. Bridge Cooke 1938-6-17 11022 Siskiyou Sisson Southern Trail Mount Shasta Comment
  CDA36763  Centaurea diffusa D. B. Joley 1976-5-13 7 Siskiyou Lake Siskiyou. 0 Comment
  RSA170309  Centaurea maculosa T. C. Fuller 1963-8-26 11155 Siskiyou Abundant in barley, also in adj. lawn of ranch house and rangeland, W H Kerr, Flying K Ranch, upper Quartz Valley, 2 miles S of Mugginsville. Comment
  UCD130113  Centaurea stoebe subsp. micranthos T. C. Fuller 1963-8-26 11155 a Siskiyou W. H. Kerr, Flying K Ranch, upper Quartz Valley, 2 miles south of Mugginsville. Comment
  UC1229866  Cerastium dichotomum T. C. Fuller 1962-5-18 8475 Siskiyou Little Shasta Rd 5 mi e Montague (B. M. Long prop.) Comment
  CAS-BOT-BC384987  Cerastium dichotomum T. C. Fuller 1962-5-18 8475 Siskiyou B. M. Long prop., Little Shasta Rd., 5 mi. e. of Montague Comment
  OBI68582  Cerastium dichotomum T. C. Fuller 1962-5-18 8745 Siskiyou Long Property, Little Shasta rd, 5 mi E of Montague Comment
  UCD98002  Cerastium dichotomum T. C. Fuller 1962-6-12 8969 Siskiyou B. M. Long prop., Little Shasta Road, 5 miles east of Montague. Comment
  UC637080  Ceratophyllum demersum Edward Lee 1934-8-12 1240 Siskiyou s side of the Klamath River near the mouth of Walker Creek ((e end of Seiad Valley)); s side of Klamath River near mouth Walker Creek 426 Comment
  RSA138253  Cercis occidentalis Percy C. Everett, E. K. Balls 1959-10-24 23946 Siskiyou On dry flats in River Valley. 7 mi. SW from Red Bank F.S. Camp on road from Sawyers Bar to Somesbar. Comment
  CAS-BOT-BC135401  Cercocarpus betuloides var. betuloides Carl B. Wolf 1934-7-5 5975 Siskiyou 4 mi. from Oak Knoll Ranger Station on Klamath River, on road to Dry Lake Lookout - Siskiyou Mts. 1066 Comment
  CAS-BOT-BC135450  Cercocarpus betuloides var. betuloides Geo. D. Butler 1910-4-16 1179 Siskiyou Klamath Hills Comment
  CAS-BOT-BC142158  Cercocarpus betuloides var. betuloides Louis C. Wheeler 1934-7-12 2901 Siskiyou Cottonwood Creek - Klamath Forest 1066 Comment
  JEPS45542  Cercocarpus betuloides var. betuloides Geo. D. Butler 1909-4-26 672 Siskiyou Oro Fino Comment
  CAS-BOT-BC148517  Cercocarpus ledifolius var. ledifolius J. H. Chastain 1917-6-1 s.n. Siskiyou North fork of Trinity River Comment
  RSA233649  Chaenactis douglasii var. douglasii R. F. Thorne, Fred Oettinger 1969-8-10 38996 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  CAS-BOT-BC106040  Chaenactis suffrutescens H. M. Hall; E. B. Babcock 1903-6-1 4081 Siskiyou Upper part of Shasta Valley - Mount Shasta 1158 Comment
  POM31491  Chaenactis suffrutescens Edward Palmer 1892-7-13 2480 Siskiyou Mount Shasta and vicinity Comment
  RSA23949  Chamaebatiaria millefolium O. V. Matthews 1939-7-13 35 Siskiyou NW slope of Goose Nest, E of Yreka. 1524 Comment
  UCR136932  Chamaebatiaria millefolium J. W. Thompson 1936-7-8 13151 Siskiyou Lava Bed National Monument Comment
  SEINET10483290  Chamaebatiaria millefolium Mary Susan Taylor 1980-8-19 Taylor 3267 B Siskiyou T43N R1E nw sec 19, Medicine Lake quad. Shasta-Trinity Natl Forest, in pumice/ obsidian outcrops, SE side of Little Glass Mountain. With J. Prouty & E. Heinz. 1951 Comment
  RSA624995  Chamaesyce maculata L. C. Wheeler 1963-8-23 8266 Siskiyou Klamath River: Walker (near Oak Knoll). Comment
  UC229860  Chamaesyce serpyllifolia H. E. Brown Jul 15 1897-Jul 31 1897 541 Siskiyou s side Mount Shasta 1524 Comment
  CAS-BOT-BC160569  Chamerion angustifolium Gilbert Muth 1965-8-12 s.n. Siskiyou 2/3 up meadow on back of Blk. Mt. 2133 Comment
  HSC29136  Chamerion angustifolium subsp. circumvagum Frederick W. Oettinger 1968-8-2 365 Siskiyou Marble Mtn. Wilderness Area, Diamond Lake 2073 Comment
  CAS-BOT-BC68206  Cheilanthes gracillima Mrs. H. C. Cantelow 1936-5-20 1379 Siskiyou Summit of Salmon Mt. 1818 Comment
  CAS-BOT-BC68241  Cheilanthes gracillima G. J. Muth 1969-8-6 1193 Siskiyou Boulder Peak 2529 Comment
  HSC23469  Cheilanthes gracillima J. O. Sawyer 1968-7-9 415 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  RSA237844  Cheilanthes gracillima Frederick W. Oettinger 1968-8-5 405 Siskiyou Mount Hemlock Forest, Shasta Ridge, between Diamond Lake and English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UC1495247  Cheilanthes gracillima Robert T. Clausen and Harold Trapido 1940-7-26 4953 Siskiyou canyon on Mud Creek Mt Shasta; S Cascade Mts, Sacramento River Basin 1584 Comment
  UC1597994  Cheilanthes gracillima Alan R. Smith with Christopher Richard, and C. Don MacNeill 1993-5-10 2555 Siskiyou e rim Mammoth Crater; Lava Beds Nat'l Monument 1645 Comment
  UC637173  Cheilanthes gracillima Edward Lee 1934-8-14 1108 Siskiyou summit Little Grayback 1868 Comment
  UC811572  Cheilanthes gracillima A. A. Heller 1916-7-20 12470 Siskiyou near Wagon Creek Falls (e side Mt Eddy); Mt Eddy 1524 Comment
  CAS-BOT-BC68212  Cheilanthes gracillima Donald Branscomb 1958-7-1 s.n. Siskiyou Bald Mountain Comment
  CAS-BOT-BC68239  Cheilanthes gracillima Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Trinity Mountains - Road to Mumbo Basin 1889 Comment
  CAS-BOT-BC68240  Cheilanthes gracillima Louis C. Wheeler 1934-8-2 3021 Siskiyou Siskiyou Mts. - Head Jaynes Canyon - Mt. Dieablo Mer. 2072 Comment
  HSC78315  Cheilanthes gracillima L. P. Janeway 1983-9-22 687 Siskiyou Ridge NW of Poker Flat (the Siskiyou crest) 1585 Comment
  JEPS75210  Chenopodium botrys W. B. and V. G. Cooke 1975-9-3 50487 Siskiyou Ash Creek Area Mt. Shasta (at Military Pass Rd.) Comment
  CDA3038  Chenopodium botrys J. R. Grisham 1958-9-2 Siskiyou 0 Comment
  SEINET4175054  Chenopodium vulvaria J. Alex 2004-8-24 1885 Siskiyou Yreka, Wendy Ave., 0.1 miles south of Lawrence Lane 950 Comment
  RSA624501  Chenopodium vulvaria L. C. Wheeler 1935-7-20 3668 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 Comment
  CAS-BOT-BC451437  Chimaphila menziesii Louis C. Wheeler 1934-8-24 3221 Siskiyou Siskiyou Mts., Trapper Creek 1615 Comment
  RSA120884  Chimaphila menziesii G. D. Barbe 1957-7-13 389 Siskiyou Private road from Big Flat Camp to the Salmon-Trinity Alps Wilderness Area. 1524 Comment
  CAS-BOT-BC94551  Chimaphila umbellata R. C. Wenk 2006-9-2 553 Siskiyou trail to Caribou Lakes from Big Flat Meadow, by side of trail in coniferous forest below Browns Meadow 2011 Comment
  HSC19324  Chimaphila umbellata J. O. Sawyer 1968-6-18 172 Siskiyou Above S Russian Creek on W side. 1463 Comment
  UC1043391  Chimaphila umbellata P. C. Everett and E. K. Balls 1954-10-11 20266 Siskiyou s.w. Mt. Shasta town (forest service camp, Castle Lake); Castle Lake 1249 Comment
  UC166577  Chimaphila umbellata Geo. D. Butler 1908-8-4 58 Siskiyou head of Shackleford Creek Comment
  UCR90895  Chimaphila umbellata Kathy Harper, Dane Karr 1994-6-10 s.n. Siskiyou North Coast Range, Indian Creek Camp, 14.5 mi NW of Happy Camp along Indian Creek Road, off Hwy 96. Near campsites 7 to 9 610 Comment
  CAS-BOT-BC36385  Chrysolepis chrysophylla Doris K. Kildale 1929-7-20 8660 Siskiyou Trail up South Fork of Indian Creek to Elk Lick Comment
  CAS-BOT-BC36248  Chrysolepis sempervirens John Thomas Howell 1937-7-26 13518 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC68299  Chrysolepis sempervirens J. P. Smith, J. O. Sawyer 1971-9-16 4765 Siskiyou Ridge S of Bingham Lake. 2134 Comment
  JEPS24624  Chrysolepis sempervirens Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6777 Siskiyou 2.3 mi above town of Mt. Shasta (Sisson) (along Everitt Memorial Highway to Panther Meadow, sw base of Mt Shasta); Mt. Shasta, Everitt Memorial Highway 1219 Comment
  RSA14165  Chrysolepis sempervirens C. Hart Merriam 1898-09 s.n. Siskiyou From south side of Mt. Shasta. 2439 Comment
  JEPS83581  Chrysothamnus humilis Dean Wm. Taylor, Glenn L. Clifton, and R. Doug Stone 1987-8-7 9253 Siskiyou on crater floor at n interior Lava Beds National Monument, Caldwell Butte 1499 Comment
  SEINET7451000 Image available Chrysothamnus viscidiflorus subsp. viscidiflorus G. D. Butler 1910-7-20 1731 Siskiyou Goosenest foothills 1524 Comment
  UCD59689  Cinna latifolia Robert E. Preston 2001-7-20 1690 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, north of Hemlock Lake. 1731 Comment
  HSC179  Circaea alpina subsp. pacifica William J. Ferlatte 1967-8-19 1034 Siskiyou S Fork of Salmon River, between campground and Carter's 1524 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
  CDA1137  Cirsium ciliolatum T. C. Fuller, Don Shaw 1978-7-5 20246 -B Siskiyou Northwestern; Klamath Ranges region; North side of York Road, 0.3 km east of Bryant-Willow Creek Road, 15 km north of Montague; T46N R5W, sec. 20 0 Comment
  CDA1325  Cirsium occidentale var. candidissimum T. C. Fuller 1958-6-18 1793 Siskiyou 2 mi. W of town of Klamath River. Roadside Hwy 96 above river. Comment
  OBI55423  Cirsium remotifolium var. odontolepis David J. Keil 1992-7-20 23495 Siskiyou Klamath NF, W of Fort Jones. Along Forest Rd 44N45, 4.4 mi S of Scott river rd Comment
  CAS-BOT-BC285893  Cirsium vulgare W. B. Cooke; V. G. Cooke 1962-8-19 33550 Siskiyou Memorial Highway, Mt. Shasta Comment
  CAS-BOT-BC228963  Cistanthe umbellata Elmer I. Applegate 1923-8-18 3883 Siskiyou Medicine Lake Comment
  CAS-BOT-BC228969  Cistanthe umbellata Elmer I. Applegate 1923-8-18 3848 Siskiyou Medicine Lake Comment
  SEINET11942356  Claytonia lanceolata H. P. Chandler 1901-1 1690 Siskiyou Marble Mountain, North Coast Ranges 2286 Comment
  UC375332  Claytonia parviflora subsp. parviflora Geo. D. Butler 1908-7-11 68 Siskiyou Comment
  CDA23956  Claytonia perfoliata G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2595 Siskiyou Between Old Highway 99 and railroad 4 km south of Grenada. Comment
  CHSC88107  Claytonia rubra subsp. depressa Jenny Marr 1993-7-1 117 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  SBBG30593  Claytonia rubra subsp. rubra D. Myrick 1968-6-25 2013 Siskiyou Mountain Meadow Ranch, Big Flat; Coffee Crk 1524 Comment
  UC163755  Claytonia rubra subsp. rubra Geo. D. Butler 1909-3-24 676 Siskiyou Oro Fino; Mining Camp Comment
  UC618651  Claytonia rubra subsp. rubra unknown 1938-7-1 11122 Siskiyou Bear Spring; Mount Shasta Comment
  CAS-BOT-BC443861  Claytonia sibirica Roxana S. Ferris; Laura Lorraine 1948-6-12 11884 Siskiyou About 6 miles from Etna on Forks of Salmon Road 1706 Comment
  HSC64322  Claytonia sibirica J. P. Smith, Steve Selva 1970-6-15 3956 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  CAS-BOT-BC443866  Claytonia sibirica Clarence R. Quick 1959-6-19 59 -23 Siskiyou 6.7 miles south of Cour [Four] Corners on ridge south-east of Seiad Valley Comment
  RSA239285  Clematis ligusticifolia Frederick W. Oettinger 1966-7-16 32 Siskiyou N bank of S Fork of Salmon river, 100 yards downstreaam from Cecilville dump Comment
  CAS-BOT-BC92761  Clematis ligusticifolia W. R. Dudley 1901-8-25 s.n. Siskiyou Jackson Creek. Comment
  HSC30589  Clintonia uniflora Frederick W. Oettinger 1968-8-23 619 Siskiyou Marble Mtn. Wilderness Area, W of Upper English Lake 1768 Comment
  CAS-BOT-BC499972  Clintonia uniflora A. A. Heller 1919-6-20 13251 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  RSA68875  Clintonia uniflora A. E. Culbertson 1943-7-1 81 Siskiyou Near Forest Service Campground about a mile downstream from Castle Lake on road to town of Shasta. On a north slope of a 6600 eastern spur of Trinity Mountains and 1500 above Sacramento River., Within 9 air miles of its headwaters to the west. Mt. Shasta 13 miles to the northeast. 1524 Comment
  SBBG16036  Clintonia uniflora D. Myrick 1961-6-22 321 Siskiyou Hwy 89, E of McCloud 1371 Comment
  CAS-BOT-BC238058  Collinsia Mary Boyd Lichens 1948-5-1 s.n. Siskiyou Near Walker, along Klamath River 579 Comment
  CAS-BOT-BC94402  Collinsia linearis R. C. Wenk 2005-7-15 199 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail 1645 Comment
  CHSC31204  Collinsia linearis M. S. Taylor 1980-7-8 3115 Siskiyou On ridge s of Castle Lake, above Hearts Lake. 2016 Comment
  JEPS3691  Collinsia linearis Dorothy Mrs. Warren Parker 1953-5-24 537 Siskiyou Scott River; hillside 687 Comment
  HSC72572  Collinsia parviflora J. P. Smith 1976-5-5 8673 Siskiyou Road from Etna to Sawyer's Bar. 732 Comment
  UC1258444  Collinsia parviflora Maralyn A. Renner 1980-7-23 1828 Siskiyou near ridge about 1 mi e of Cook and Green Pass (Klamath National Forest, Pacific Crest Trail); Klamath National Forest, Pacific Crest Trail 1752 Comment
  UC169329  Collinsia parviflora Harley P. Chandler Jun 1901 1686 Siskiyou North Coast Ranges, Marble Mountain Marble Mountain; North Coast Ranges, Marble Mountain 2438 Comment
  CDA41379  Collinsia parviflora T. C. Fuller 1958-4-16 s.n. Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  HSC90174  Collinsia parviflora Andrew Enberg, Brad Penkala and Dan Scofield 1990-4-4 33 Siskiyou E side of Hwy. 3, about 8 mi. N of Scott River Ranger Station 1159 Comment
  SEINET13406273  Collinsia rattanii G. D. Butler 1910-5-1 1262 Siskiyou Humbug Mountain. 1219 Comment
  JEPS3846  Collinsia torreyi var. latifolia Duncan Dunning 1921-7-16 Siskiyou nw Hambone (se Siskiyou Co.); Toad Mtn. Comment
  RSA211393  Collinsia torreyi var. latifolia William J. Ferlatte 1966-7-7 193 Siskiyou Caribou Basin. Trinity Alps. 1982 Comment
  HSC78395  Collomia grandiflora L. P. Janeway 1983-9-23 690 Siskiyou At Poker Flat 1524 Comment
  UC922456  Collomia grandiflora Annie M. Alexander and Louise Kellogg 1949-7-23 5853 Siskiyou Paradise Lake Marble Mountains 1920 Comment
  UC537993  Collomia heterophylla Louis C. Wheeler 1934-7-6 2889 Siskiyou Hungry Creek Siskiyou Mts. 1097 Comment
  UCR37575  Collomia tinctoria L. P. Janeway 1983-8-6 510 Siskiyou At Poker Flat, a meadow in a fir forest. Dry E side of meadow, near edge 1524 Comment
  UC61198  Comandra umbellata subsp. californica W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Mount Shasta, Sisson, Eighteenth Crossing Eighteenth Crossing; Mount Shasta, Sisson, Eighteenth Crossing Comment
  RSA15592  Convolvulus arvensis C. B. Wolf 1927-8-27 1120 Siskiyou On the Klamath River, Happy Camp. Comment
  HSC46112  Corallorhiza maculata J. P. Smith, Steve Selva 1970-6-16 3989 Siskiyou 6 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1280 Comment
  CHSC105576  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-9 16291 Siskiyou Stewart Springs Road 1.5 miles from the Gazelle Road. Lat. and Long. indicated +/- 16 feet. Comment
  CHSC31127  Cordylanthus tenuis subsp. tenuis T. Spira 1979-7-15 447 Siskiyou 3.1 mi n of Shasta-Trinity county line off of Hwy 3 on n side of rd. 1219 Comment
  HSC72276  Cordylanthus tenuis subsp. viscidus J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8966 Siskiyou Hwy 3, 2.5 mi. N of Siskiyou-Trinity County line Comment
  RSA264956  Cordylanthus tenuis subsp. viscidus Gilbert Muth 1975-7-31 6181 Siskiyou Near Joe Creek. Near Seiad Valley. 1317 Comment
  CAS-BOT-BC212282  Cornus glabrata W. R. Dudley 1899-8-24 s.n. Siskiyou East Fork of Scott's Creek near Callahan's Comment
  CAS-BOT-BC209879  Cornus nuttallii Laura M. Lathrop 1903-7-10 s.n. Siskiyou Shasta Retreat Comment
  CAS-BOT-BC210420  Cornus sericea A. A. Heller 1905-6-15 8043 Siskiyou Near Sisson Comment
  JEPS24620  Cornus sericea subsp. sericea Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6773 Siskiyou directly opposite Mossbrae Falls between Shasta Retreat and Shasta Springs (on bank of Sacramento R.); Sacramento R. 731 Comment
  UC375259  Corylus californica Geo. D. Butler 1909-3-21 564 Siskiyou near Oro Fino Comment
  CAS-BOT-BC180197  Corylus cornuta subsp. californica George B. Grant 1902-9-15 s.n. Siskiyou Shasta Springs 762 Comment
  RSA481445  Corylus cornuta var. californica M. B. Dunkle 1944-6-25 9010 Siskiyou Siskiyou National Forest. 1677 Comment
  RSA47646  Crataegus suksdorfii Roxana S. Ferris, Laura Lorraine 1948-6-12 s.n. Siskiyou E Fork of Scott River drainage, Parker Ranch, Plowman's Valley. 1204 Comment
  RSA715494  Crepis bakeri L. Ahart, John Dittes 2005-6-9 12028 Siskiyou South of rock fence, about 100 yards northeast of where cattle water in the Shasta River, about 3/5 miles (air) south of Highway 99/97 cutoff, about 2.5 miles (air) east-southeast of Granada. 775 Comment
  HSC2329  Crepis intermedia Geo. D. Butler 1910-7-12 1758 Siskiyou Shackleford Creek 1372 Comment
  POM29158  Crepis monticola Geo. D. Butler 1910-1 148 Siskiyou Thickets near Yreka Comment
  HSC92417  Crepis pleurocarpa Jennifer Whipple 1976-7-24 1553 Siskiyou Mt. Eddy, SW of Dobkins Lake 2256 Comment
  JEPS16944  Crepis pleurocarpa Peter H. Raven 1956-9-4 10396 Siskiyou pass just s Mount Eddy 2438 Comment
  RSA211202  Crepis pleurocarpa William J. Ferlatte 1966-8-4 300 Siskiyou Yellow Rose Mine. 1982 Comment
  SEINET11840723  Crepis pleurocarpa C. G. Pringle 1882-1 s.n. Siskiyou about the head waters of Sacramento River 2438 Comment
  UC581273  Crepis pleurocarpa G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2437 Siskiyou on creek 1 mi below Stewart Springs; Park's Creek 1120 Comment
  CAS-BOT-BC299732  Crocidium Peter H. Raven 1963-5-19 18398 Siskiyou Just south of California State line on U.S. Highway 97, north of Macdoel Comment
  UC133676  Cryptantha affinis A. A. Heller 1905-6-5 7962 Siskiyou near Shasta Springs Comment
  CHSC91345  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
  POM72149  Cryptantha milobakeri Geo. D. Butler 1909-5-2 733 Siskiyou Yreka. Comment
  RSA273419  Cryptantha milobakeri J. P. Smith, Advanced plant taxonomy class-1974 1974-5-25 7393 Siskiyou Along road 8, 0.9 miles from its jct with State Route 3. 976 Comment
  UC133720  Cryptantha simulans A. A. Heller 1905-6-15 8035 Siskiyou near Sisson Comment
  JEPS57184  Cryptantha sobolifera L. R. Heckard 1967-8-13 1690 Siskiyou s.-facing slope near summit Mt. Eddy 2712 Comment
  HSC91392  Cryptantha subretusa Jennifer Whipple 1976-6-25 1133 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2470 Comment
  UCD78206  Cryptantha torreyana R. E. Preston 2006-7-3 2360 a Siskiyou Ca. 3.8 mi ESE of Hornbrook, in field along Ager Rd, 1.6 mi SE of its jct with Hornbrook-Copco Rd. 704 Comment
  HSC27334  Cryptogramma acrostichoides J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5710 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  HSC376  Cryptogramma acrostichoides William J. Ferlatte 1967-6-30 600 Siskiyou Josephine Lake basin 1677 Comment
  UC1408846  Cryptogramma acrostichoides Frederick W. Oettinger 1968-8-5 404 Siskiyou ridge between Diamond Lake and English Peak (Shasta Ridge); Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2072 Comment
  RSA331956  Cryptogramma acrostichoides W. Wisura, Dave Kelly 1895-7-31 4080 Siskiyou Near Kangaroo Lake, Scotts Mtns, on granite rocks near campground. Comment
  NY16609  Cupressus bakeri C. B. Wolf 1934-10-8 6166 Siskiyou Modoc Lava Beds, 1 mile northeast of Timbered Crater on Old Stage Road from Dana to Little Hot Springs Valley 1219.2 Comment
  RSA176221  Cupressus bakeri C. O. Stone 1964-6-6 286 Siskiyou 100 yards NE of Quarry in Sec. 25 SW/4 SW/4 NE/4 Fall River Mills quad 1110 Comment
  CAS-BOT-BC213751  Cupressus bakeri subsp. matthewsii Carl Brandt Wolf 1934-10-9 2130 Siskiyou Siskiyou Mts., above W. fork of Seiad Creek, 3/4 mi. above forks of creek 1158 Comment
  SEINET10531077  Cupressus bakeri subsp. matthewsii Matthews 1939-7-11 MATTHEWS 32 Siskiyou Salad Grove. 855 Comment
  SEINET10899757  Cupressus bakeri subsp. matthewsii Carl B. Wolf 1944-10-29 Wolf 5051 Siskiyou North West side Goose Nest Mountain. About 1 mi due South of old Smith sawmill on Montague to Mt. Hebron Road. Arid Transition:- Incense cedar, yellow Pine. Sun. Slopes. Volcanic Rock. 1675 Comment
  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
  HSC28731  Cuscuta occidentalis Frederick W. Oettinger 1968-8-11 474 Siskiyou Marble Mtn. Wilderness Area, SE of Tom Taylor Cabin 2027 Comment
  RSA12491  Cuscuta suksdorfii var. subpedicellata C. B. Wolf 1934-7-4 5946 Siskiyou 6 8/10 mi. from Dry Lake Lookout on rd. to Horse Creek, Siskiyou Mts. Comment
  UC618627  Cycladenia humilis var. humilis W. Bridge Cooke 1938-9-17 11704 Siskiyou ridge along canyon below/directly w. of Horse Camp (Mt. Shasta); Mt. Shasta Comment
  JEPS64056  Cyperus squarrosus B. C. Goldsmith 1916-9-9 21 Siskiyou Klamath R., Klamath Hot Springs Comment
  UC1755212  Cypripedium californicum Dean William Taylor 1972-7-3 1605 Siskiyou At Cook and Green Pass, in White Fir Forest 1371 Comment
  HSC39936  Cypripedium montanum J. O. Sawyer 1970-6-17 2201 Siskiyou N slopes of Eaton Peak 1524 Comment
  RSA382010  Cypripedium montanum Robert Kessler 1920-1 s.n. Siskiyou Siskiyou Comment
  CAS-BOT-BC70710  Cystopteris fragilis Gilbert Muth 1966-8-3 162 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC70711  Cystopteris fragilis Doris K. Kildale 1928-7-2 5400 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  RSA237511  Cystopteris fragilis Frederick W. Oettinger 1969-7-9 944 Siskiyou Vernally moist dry meadows N.W. of upper English Lake. Salmon Mtns. High Lakes Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC30644  Danthonia californica Frederick W. Oettinger, R. F. Thorne 1969-8-4 1153 Siskiyou Marble Mtn. Wilderness Area, English Peak, English Lake Basin, Sundew Bog. 1829 Comment
  HSC58836  Danthonia californica Butler 1971-7-21 186 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction. 1433 Comment
  JEPS76057  Danthonia californica W. L. Jepson 1937-7-23 18459 Siskiyou Hayden Mt. Yreka Comment
  UCD60971  Danthonia californica var. americana S. S. Tillett 1956-7-11 683 Siskiyou Siskiyou-Trinity County line: Ca. 8 mi. SE of Calahan. 1615 Comment
  RSA239126  Danthonia intermedia Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1173 Siskiyou Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC19074  Danthonia intermedia subsp. intermedia J. O. Sawyer 1969-8-5 1753 Siskiyou W of Little Duck Lake 2073 Comment
  CDA31646  Danthonia unispicata Gordon Leppig 1998-8-13 1000 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, in cirque west of Little Duck Lake. Comment
  HSC103046  Danthonia unispicata J. P. Smith 2014-6-7 13904 Siskiyou Along Forest Service Road 40N08, east of State Route 3 1701 Comment
  RSA239121  Danthonia unispicata Frederick W. Oettinger 1969-8-24 1522 Siskiyou inlet to Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  RSA120926  Danthonia unispicata Milo S. Baker, G. D. Barbe, H. K. Wagnon 1957-6-16 13162 Siskiyou Scott Mountains Comment
  HSC66259  Darlingtonia californica Maralyn A. Renner 1980-7-4 1417 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  UC1094389  Darlingtonia californica Rimo C. Bacigalupi with S. Galen Smith 1957-6-26 5956 Siskiyou small, sloping bog at w margin Gumboot Lake (ca 6 mi due s of Mt. Eddy); head of the South Fork of the Sacramento River 1859 Comment
  UC1483489  Darlingtonia californica Maralyn A. Renner 1980-7-4 1417 Siskiyou Clear Creek Trail n Trout Camp; Klamath National Forest, Preston Peak Quad. 1066 Comment
  UC857781  Darlingtonia californica A. A. Heller 1915-7-15 12090 Siskiyou Mt. Eddy 1828 Comment
  UCD168831  Darlingtonia californica Barry Rice 2015-8-15 BR 150804 Siskiyou East end of Kangaroo Lake. 1838 Comment
  SEINET10480116  Darlingtonia californica Mary Susan Taylor 1980-6-23 Taylor 2942 Siskiyou T39N R5W sw sec 28 Dunsmuir quad; Shasta Trinity Natl Forest. Soapstone Gulch, on E side of Rd 39N45, ca. 2 mi S of its jct with Hwy 26, ca. 8 mi SW of Mt Shasta City. With B. Williams. (Meadows 0.3, .55 and .05 mi from end of road have Darlingtonia). 1676 Comment
  CAS-BOT-BC420665  Darmera peltata Elmer I. Applegate 1895-5-29 589 Siskiyou Sacramento River below Sisson Comment
  UC165440  Darmera peltata Geo. D. Butler 1910-4-24 1234 Siskiyou Shackleford Creek Comment
  UC673201  Darmera peltata Lincoln Constance and Reed C. Rollins 1942-5-13 2903 Siskiyou Klamath River at mouth of Portuguese Creek, 4 miles east of Thompson Creek. 457 Comment
  CAS-BOT-BC141835  Dasiphora fruticosa L. E. Smith 1913-9-1 553 Siskiyou Mt. Eddy Comment
  CHSC71601  Dasiphora fruticosa Vernon H. Oswald; Lowell Ahart 1998-8-3 9439 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  UCR142704  Datura stramonium L. C. Wheeler 1934-10-13 3319 Siskiyou Siskiyou Mountains, Klamath River near Skunk Gulch 610 Comment
  UC563969  Delphinium andersonii Elmer I. Applegate 1935-6-8 9453 Siskiyou w slope Sconchin Butte; Lava Beds National Monument Comment
  CAS-BOT-BC9564  Delphinium antoninum J. H. Thomas 1954-5-13 4150 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville 1127 Comment
  CHSC1443  Delphinium decorum subsp. tracyi S. Friday 1935-4-14 Siskiyou Scott valley. 1188 Comment
  HSC64661  Delphinium nuttallianum J. O. Sawyer 1977-7-6 3027 Siskiyou South of Little Duck Lake 2134 Comment
  HSC77045  Delphinium nuttallianum K. T. Stillman 1976-6-25 28 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  HSC78190  Delphinium nuttallianum L. P. Janeway 1983-7-10 405 Siskiyou Poker Flat 1524 Comment
  CAS-BOT-BC116156  Delphinium nuttallianum Alice Eastwood 1921-7-28 10903 Siskiyou Medicine Lake Comment
  CDA24255  Delphinium nuttallianum T. C. Fuller 1958-4-16 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  RSA238282  Delphinium nuttallianum Frederick W. Oettinger 1969-7-18 1054 a Siskiyou SW of upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  HSC69186  Deschampsia cespitosa Maralyn A. Renner 1980-8-31 2632 Siskiyou Twin Valley. 1494 Comment
  CAS-BOT-BC192467  Deschampsia cespitosa subsp. cespitosa W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountains Comment
  SEINET10835347  Deschampsia cespitosa subsp. cespitosa Lawrence P. Janeway 1983-1 Janeway 545 Siskiyou Preston Peak Quad (15') T18N R6E S20 SW1/4. Siskiyou Mountains: at Poker Flat, a meadow in a fir forest. In upper portion of the meadow; wet. 1524 Comment
  RSA582089  Deschampsia danthonioides L. C. Wheeler 1934-6-10 2674 Siskiyou Hungry Creek; Siskiyou Mts. 1098 Comment
  CAS-BOT-BC201941  Deschampsia elongata Melissa A. Berry 1957-7-3 s.n. Siskiyou Taylor Creek CCC Road, East Fork of the South Fork of the Salmon River 762 Comment
  CAS-BOT-BC201946  Deschampsia elongata Dorothy Parker 1957-7-16 s.n. Siskiyou Cabin Meadow Creek, Scott Mt. Range 1828 Comment
  HSC42943  Deschampsia elongata J. O. Sawyer, Ken Stillman 1976-7-1 2779 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  HSC60818  Deschampsia elongata Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  JEPS80523  Deschampsia elongata Gilbert Muth 1966-7-18 415 Siskiyou meadow above Marble Valley (Marble Gap Trail); Marble Mt. Wilderness Area, Marble Gap Trail 1828 Comment
  JEPS80519  Descurainia incana Gilbert Muth 1966-7-19 426 Siskiyou Marble Mountain Wilderness Area; meadow above horse pasture 1804 Comment
  POM94894  Descurainia incana subsp. viscosa Geo. D. Butler 1908-8-4 126 Siskiyou Head of Shackleford Creek. Comment
  JEPS53433  Descurainia pinnata Geo. D. Butler 1909-5-14 727 Siskiyou Klamath River Comment
  HSC19282  Dicentra formosa J. O. Sawyer 1968-7-10 486 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC61206  Dicentra formosa Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  UC61080  Dicentra formosa W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou The Bend, McCloud River; Mount Shasta, McCloud River Comment
  CAS-BOT-BC402476  Dicentra formosa subsp. formosa L. E. Smith 1912-7-1 s.n. Siskiyou Between Castella & Dunsmuir railroad track Comment
  CAS-BOT-BC402484  Dicentra formosa subsp. formosa L. R. Short 1933-6-14 36 Siskiyou Klamath National Forest. Clear Creek 1249 Comment
  CAS-BOT-BC402546  Dicentra pauciflora Lillian Mott 1976-7-9 52 LM76 Siskiyou Base of Kangaroo Mt. west of Cook and Green Pass 1828 Comment
  CHSC63598  Dieteria canescens var. shastensis Vernon H. Oswald; Lowell Ahart 1994-8-10 6457 Siskiyou FS 41N01Y at Elk Flat, ca. 1 mi N of Pilgrim Creek Rd. (FS13), ca. 11 mi (air) NE of McCloud. 1243 Comment
  CHSC71866  Dieteria canescens var. shastensis Vernon H. Oswald; Lowell Ahart 1998-9-8 9611 Siskiyou Junction of USFS 3 and 24 ca. 2.5 mi west-southwest of Hambone Butte, ca. 30 air mi north of Burney. 1310 Comment
  CAS-BOT-BC290996  Dieteria canescens var. shastensis John Thomas Howell 1937-7-29 13678 Siskiyou North slope of Scott Mts. 1676 Comment
  UC562939  Dieteria canescens var. shastensis Elmer I. Applegate 1923-8-20 3900 Siskiyou Ranger Station w end Medicine Lake (w end Medicine Lake) 1981 Comment
  HSC5467  Dimeresia howellii R. C. Wunner 179 Siskiyou California Lava Beds National Monument; top of Caldwell Butte in bottom of crater 1498 Comment
  SBBG16031  Diplacus jepsonii D. Myrick 1961-6-22 318 Siskiyou St Hwy 89 near McCloud 914 Comment
  UC163725  Disporum hookeri Geo. D. Butler 1910-4-22 1222 Siskiyou Kidder Creek Comment
  CHSC1391  Dodecatheon alpinum V. Holt 1932-7-10 Siskiyou Mt. Eddy. 2590 Comment
  UC1483417  Dodecatheon hendersonii Maralyn A. Renner 1980-7-23 1838 Siskiyou near ridge about 1 mi e Cook and Green Pass (s1/4 of ne1/4 Pacific Crest Trail, Klamath National Forest); Klamath National Forest, Seiad Valley Quad., Pacific Crest T 1752 Comment
  HSC29233  Dodecatheon jeffreyi Frederick W. Oettinger 1969-7-17 1051 Siskiyou Marble Mountain Wilderness Area, along inlet stream on SW side of Upper English Lake 1768 Comment
  NY546981  Downingia bacigalupii J. H. Weiler 1960-6-24 60205 Siskiyou At the side of Dorris-Beswick road, 2.7 miles southwest of the California-Oregon border Comment
  SEINET12329645  Downingia bacigalupii N. H. Holmgren, Holmgren, P. K. 1980-1 9449 Siskiyou U. S. Highway 97, 21.4 km (13.3 mi.) south-southwest of Macdoel, T44N, R2W, S9 1520 Comment
  CHSC71294  Downingia insignis Vernon H. Oswald; Lowell Ahart 1998-6-11 9217 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
  RSA181958  Downingia montana John Weiler, Lincoln Constance, E. Moleseed 1960-6-15 60178 Siskiyou Beside railroad tracks about 300 ft. off Hwy 99 just N of the bridge over the Sacramento River at the N end of Lake Shasta (Antler Resort area.) Comment
  JEPS19784  Downingia pulcherrima Rimo Bacigalupi with S. Galen Smith 1957-6-26 5937 Siskiyou about 2.5 mi nw Weed (close to U.S. Highway 99) 1005 Comment
  JEPS108465  Downingia pulcherrima Lisa Schultheis 1995-6-28 236 -95 Siskiyou Outside of Weed. Trailer Lane, just W of ramp to I-5 S. Comment
  SBBG25839  Downingia yina D. Myrick 1966-8-8 1475 Siskiyou Mountain Meadow Ranch, Big Flat Comment
  SBBG27384  Draba verna L. C. Wheeler 1935-4-18 3430 Siskiyou Greenhorn Crk; Siskiyou Mtns 1005 Comment
  JEPS1616  Draperia systyla W. L. Jepson Jul 17 1902-Jul 22 1902 2070 Siskiyou Devil's Backbone; western Siskiyou 1828 Comment
  UCD35436  Draperia systyla Beecher Crampton 1956-8-21 3839 Siskiyou Canyon of the south fork of the Sacramento River, lower slopes of White Ridge. 1371 Comment
  CAS-BOT-BC159682  Drymocallis glandulosa A. A. Heller 1915-8-26 12217 Siskiyou Near the source of Wagon Creek, Mt. Eddy 2621 Comment
  HSC40051  Drymocallis glandulosa var. glandulosa J. O. Sawyer 1970-7-4 2327 Siskiyou At Cedar Flat Cabin 1402 Comment
  CAS-BOT-BC159438  Drymocallis glandulosa var. glandulosa Dorothy Parker 1950-6-15 455 Siskiyou Along Kidder Creek 914 Comment
  JEPS25594  Drymocallis glandulosa var. reflexa Rimo Bacigalupi 1959-7-2 7226 Siskiyou near n base Caribou Mtn (and just s of low divide (Trinity Co. boundary) separating Coffee Creek drainage from that of the Salmon River, Big Flat Campground); headwaters South Fork Salmon River, Coffee Creek drainage 1508 Comment
  HSC61164  Drymocallis lactea var. lactea Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  CAS-BOT-BC158412  Drymocallis pseudorupestris var. saxicola Wm. Bridge Cooke 1939-8-22 13829 Siskiyou Along Horse Camp Creek Comment
  JEPS57170  Drymocallis pseudorupestris var. saxicola L. R. Heckard 1967-8-13 1705 Siskiyou Summit Region of Mount Eddy Mount Eddy; Summit Region of Mount Eddy 2743 Comment
  UCD70122  Dryopteris arguta D. Sanchez-Mata 1997-9-19 s.n. Siskiyou Klamath National Forest. Seiad Valley-Happy Camp. Jefferson State Scenic Byway close to Klamath River. 430 Comment
  HSC65120  Dysphania botrys J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5725 Siskiyou Rd. 8, 3.5 mi. from junction with French Creek Rd. 915 Comment
  HSC65322  Dysphania botrys J. P. Smith, Steve Selva 1970-7-17 4438 Siskiyou 915 Comment
  CAS-BOT-BC113722  Eleocharis acicularis Louis C. Wheeler 1934-6-29 2827 Siskiyou Mucky, sunny meadow in Soda Creek, Sterling Mt. 1280 Comment
  CAS-BOT-BC112979  Eleocharis macrostachya David Daniels Keck 1949-7-20 6370 Siskiyou Scott Valley, 6 mi N of Callahan. Comment
  UC1100727  Eleocharis palustris Calvin McMillan, Malcolm A. Nobs 1949-6-17 803 Siskiyou Grass Lake, Highway 97 Comment
  CAS-BOT-BC112694  Eleocharis parishii Louis C. Wheeler 1934-7-17 2913 Siskiyou Cottonwood Creek. 1036 Comment
  SEINET7587040 Image available Eleocharis quinqueflora Frederick W. Oettinger 1969-8-19 1453 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. Between David Mt and Abbotts Lake Basin. 1905 Comment
  CAS-BOT-BC227125  Elymus Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  JEPS80589  Elymus X macounii Gilbert Muth 1966-8-5 502 Siskiyou Black Mt. trail Marble Mt. Wilderness Area 1798 Comment
  UCD61279  Elymus aristatus L. Whitney 1935-7-15 3470 Siskiyou Near Bullseye Lake, 2 miles southeast of Medicine Lake. 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
  RSA238986  Elymus elymoides Frederick W. Oettinger 1968-8-8 456 Siskiyou Crapo Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  UCD61537  Elymus elymoides L. Whitney 1935-7-15 3472 Siskiyou Bullseye Lake, 2 miles southeast of Medicine Lake. Comment
  CHSC61567  Elymus elymoides subsp. californicus L. P. Janeway 1983-8-16 553 Siskiyou Siskiyou Mountains; at Poker Flat, upper part of the lower portion of the meadow. 1524 Comment
  UCD61688  Elymus elymoides subsp. californicus A. A. Heller 1920-6-24 13387 Siskiyou Metcalf's ranch, NE base of Mt. Eddy. 1280 Comment
  JEPS72943  Elymus elymoides subsp. elymoides W. L. Jepson 1940-6-23 20011 Siskiyou n Mt. Shasta; Andesite Station 975 Comment
  UC1024710  Elymus elymoides subsp. elymoides Leo Whitney 1934-6-20 2134 Siskiyou 35 mi sw Tennant; Shasta National Forest 1524 Comment
  HSC21980  Elymus elymoides var. elymoides J. O. Sawyer 1969-7-25 1546 Siskiyou West of High Lake 2256 Comment
  HSC27025  Elymus elymoides var. elymoides J. P. Smith, J. O. Sawyer 1972-9-12 5765 Siskiyou Scott Mtn., 1/2 mile E of Scott Mtn. Rd. (Hwy. 3). 1646 Comment
  HSC76716  Elymus elymoides var. elymoides K. T. Stillman 1976-7-31 348 Siskiyou Marble Mountain Wilderness Area: E facing slope N from Black Mt. towards Jump off point. 2012 Comment
  HSC39673  Elymus glaucus J. P. Smith, J. O. Sawyer 1971-9-18 4831 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  UC224203  Elymus glaucus E. Palmer 1892-1 2652 Siskiyou near Mt. Shasta Comment
  CAS-BOT-BC206605  Elymus glaucus subsp. glaucus Edward Lee 1934-8-14 1119 Siskiyou West slope of Little Grayback, Siskiyou-Del Norte County line. Comment
  CHSC83260  Elymus glaucus subsp. glaucus L. P. Janeway 2002-7-13 7645 Siskiyou High Cascade Range. Along a logging spur road 0.2 km southeast of Road 13 (Pilgrim Creek Road) 9.0 kmk northeast of the Military Pass Road (Road 19); 0.2 km north of Edison Creek. 1347 Comment
  CAS-BOT-BC235218  Elymus multisetus Margaret M. Hanna 1958-6-20 s.n. Siskiyou 1/2 mile north of Weed Comment
  HSC39091  Elymus repens A. M. Montalvo, J. D. Ackerman 1974-7-2 345 Siskiyou E slope of Mt. Eddy, near Morgan Meadows, W of Mt Shasta City. Comment
  HSC68507  Elymus spicatus Maralyn A. Renner 1980-6-10 878 Siskiyou Ridge 1 mi. S of Greenhorn Rd. and 1 mi. E of Mill Creek 1341 Comment
  UC203918  Elymus trachycaulus Geo. D. Butler 1909-6-27 847 Siskiyou roadside near Yreka Comment
  UCD62716  Elymus trachycaulus A. H. Murphy 1956-8-14 56 A Siskiyou Little Mill Creek Meadow. Klamath N. F. 2011 Comment
  RSA237650  Epilobium angustifolium subsp. circumvagum Frederick W. Oettinger 1968-8-2 365 Siskiyou Outlet of Diamond Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2073 Comment
  POM46472  Epilobium brachycarpum Geo. D. Butler 1910-7-3 1629 Siskiyou Goosenest Foothills 1220 Comment
  RSA34395  Epilobium brachycarpum W. Bridge Cooke 1947-8-1 17759 Siskiyou Along the Shasta Snowline Highway, Mt. Shasta 1677 Comment
  CHSC86653  Epilobium ciliatum Jenny Marr 1993-7-1 36 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS121626  Epilobium ciliatum Kendra Sikes 2011-8-24 Siskiyou Headwaters of Fawn Creek, east slope of the Eddys. Gently sloping wet meadow / fen on ultramafic soil; N aspect. Mumbo Basin quadrangle. FCS-1D Comment
  HSC22465  Epilobium ciliatum subsp. ciliatum J. O. Sawyer 1969-7-23 1446 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1524 Comment
  SBBG126111  Epilobium ciliatum subsp. ciliatum L. Ahart, J. Dittes 2010-7-30 16952 Siskiyou S edge of Shasta River, ca 100 yards E of S edge of the Shasta River, ca 100 yards E of the E Louie Rd Bridge, Shasta Big Springs Ranch, 1.6 mi SW of Big Springs Lake, 4.6 mi NW of Dwinnel Dam, 5.7 mi SE of Grenad 716 Comment
  UC922406  Epilobium ciliatum subsp. glandulosum Annie M. Alexander and Louise Kellogg 1949-7-24 5869 Siskiyou near Paradise Lake; Marble Mountains 2072 Comment
  UCD77625  Epilobium clavatum Robert E. Preston 2001-7-21 1729 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 2066 Comment
  JEPS38211  Epilobium densiflorum Geo. D. Butler 1908-7-26 164 Siskiyou near Yreka; Butler's Ranch Comment
  UC61085  Epilobium densiflorum W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson Mt. Shasta Comment
  JEPS109653  Epilobium hallianum Dean W. Taylor 2002-6-29 18202 Siskiyou Big Carmen Lake, Scott Mountain 1676 Comment
  POM259758  Epilobium hallianum J. T. Howell 1939-8-10 15261 Siskiyou Spirit Lake, Marble Mountains 1829 Comment
  RSA237576  Epilobium hallianum Frederick W. Oettinger 1969-8-19 1466 Siskiyou Between King David Mountain and Abbotts. The Salmon Mountains. The high lake basins in vicinity of English Peak, Marble Mountain Wilderness Area 1860 Comment
  RSA237581  Epilobium hallianum Frederick W. Oettinger 1969-8-14 1381 -a Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area 1738 Comment
  CHSC1119  Epilobium hornemannii subsp. hornemannii N. Jaekel 1939-7-8 Siskiyou Panther meadows, Mt. Shasta. 2286 Comment
  HSC29141  Epilobium hornemannii subsp. hornemannii Frederick W. Oettinger 1968-8-10 463 Siskiyou Salmon Mtns., stream inlet into Hancock Lake 1890 Comment
  POM258623  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1940-7-5 15291 Siskiyou Mt. Shasta: in the meadow at Wagon Camp 1738 Comment
  HSC29148  Epilobium lactiflorum Frederick W. Oettinger 1968-8-4 388 Siskiyou Marble Mtn. Wilderness Area, along trail N of Crapo Peak Ridge 2195 Comment
  UC1408903  Epilobium lactiflorum Frederick W. Oettinger 1969-9-2 1595 a Siskiyou n side of peak Salmon Mountains, Marble Mountain Wilderness Area, English P (w Siskiyou Co.) 2164 Comment
  POM213942A  Epilobium minutum G. C. Kimber 1934-6-9 43 Siskiyou Ney Creek 1/8 mi above junction with Sacramento River. 732 Comment
  UC164471  Epilobium minutum Geo. D. Butler 1909-6-13 927 Siskiyou Moffitt Creek Comment
  CDA38114  Epilobium minutum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2649 Siskiyou Schoolhouse Hill, summit of Gazelle/Callahan Road, 11.3 km east of Callahan. Comment
  CHSC99583  Epilobium siskiyouense L. P. Janeway 2008-7-22 9445 Siskiyou Klamath Ranges. Between the Trinity Mountains, Castle Crags, and The Eddys; narrow ridge between Hart Lake and Little Castle Lake. Steep northwest-facing rock outcrop and scree slope. 1871 Comment
  UC873454  Epilobium siskiyouense Alice Eastwood 1912-8-30 1997 Siskiyou Mount Eddy Comment
  UC4484  Epipactis gigantea C. B. Bradley 1879-1 Siskiyou Comment
  CAS-BOT-BC56953  Equisetum arvense Barbe 1957-7-13 373 Siskiyou Big Flat Public Camp, Klamath National Forest 1524 Comment
  CAS-BOT-BC57805  Equisetum laevigatum D. E. Breedlove 1962-6-10 3333 Siskiyou On the n. bank of the Klamath River at its junction with Goff Creek, 4.5 mi. w. of Seiad. 411 Comment
  JEPS60117  Equisetum telmateia subsp. braunii Geo. D. Butler 1909-4-11 682 Siskiyou Shasta Springs Comment
  HSC27219  Eragrostis cilianensis J. P. Smith, J. O. Sawyer 1971-9-18 4792 Siskiyou Hwy. 3 between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  HSC81555  Eremogone congesta Thomas W. Nelson, Jane P. Nelson 1980-7-20 6166 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  CAS-BOT-BC168846  Eremogone congesta var. congesta Milo S. Baker 1926-8-8 242 -26 Siskiyou Between Red Mt. and Granite Peak 2194 Comment
  CAS-BOT-BC174270  Eremogone congesta var. subcongesta W. R. Dudley 1899-8-22 s.n. Siskiyou Top of Spur - Craggy Peak Comment
  CHSC99721  Eremogone congesta var. suffrutescens L. P. Janeway 2008-7-24 9469 Siskiyou Klamath Ranges. Siskiyou Mountains; at end of short spur road into top of Alex Hole; 1.0 km east-southeast of Condrey Mountain. Shelf and north-facing cliff of hard metamorphic rock. 1975 Comment
  SEINET7846091 Image available Ericameria bloomeri G. D. Butler 1910-8-7 1823 Siskiyou Humbug Mountain 1219 Comment
  CHSC67482  Ericameria greenei James D. Jokerst 1992-7-30 3434 Siskiyou Camp above Tamarack Flat, NW of Mt. Eddy. Comment
  UC303534  Ericameria parryi var. latior unknown 1903-9-9 5152 Siskiyou Sisson Comment
  CDA4407  Erigeron austiniae Vernon H. Oswald & Lowell Ahart 1998-6-11 9214 Siskiyou Klamath National Forest boundary on Old State Highway, 1.5 miles south of the railroad crossing south of Mount Hebron. Comment
  UC160448  Erigeron bloomeri var. nudatus I. J. Condit 1911-7-28 Siskiyou summit of ridge from Castle Lake to Mt. Bradley Comment
  JEPS105053  Erigeron cervinus Dean W. Taylor 1996-7-7 15803 Siskiyou Salmon Mountains; Ruffey Lakes (about 8 air miles southwest of Etna), in cirque above the upper lake; Klamath National Forest 2072 Comment
  LA202507  Erigeron compositus Wm. Bridge Cooke; 1939-8-10 13670 Siskiyou Mount Shasta, along the W Bank of Mud Creek Canyon 2895 Comment
  UCD77643  Erigeron eatonii var. plantagineus Robert E. Preston 2002-6-20 1833 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope 1911 Comment
  CAS-BOT-BC296126  Erigeron foliosus var. confinis Doris K. Kildale 1928-7-4 5490 Siskiyou Summit of divide between Salmon River and Scott Valley Comment
  CAS-BOT-BC300862  Erigeron glacialis var. glacialis John Thomas Howell 1937-7-25 13466 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  UC1540159 Image available Erigeron inornatus var. calidipetris Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-6 9241 Siskiyou Porcupine Lake; (a small vernal depression in an indurate lava flow), margin of pond 1304 Comment
  UC618658  Erigeron inornatus var. inornatus unknown 1938-8-19 11512 Siskiyou near Howard; Mt. Shasta 1219 Comment
  POM39277  Erigeron inornatus var. inornatus Geo. D. Butler 1910-6-17 1570 Siskiyou Humbug Mountain. 1067 Comment
  CAS-BOT-BC295461  Erigeron klamathensis John Thomas Howell 1939-8-6 15101 Siskiyou Elk Mt., Marble Mts. Comment
  HSC69344  Erigeron klamathensis Maralyn A. Renner 1980-9-9 2758 Siskiyou Medicine Mtn., ridge to SW 2058 Comment
  JEPS101307  Erigeron klamathensis Dean W. Taylor 1999-8-12 17319 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1889 Comment
  UC725338  Erigeron petrophilus var. viscidulus A. A. Heller 1918-7-16 13032 Siskiyou Mt. Eddy Comment
  POM39278  Erigeron pumilus subsp. intermedius Geo. D. Butler 1910-6-3 1471 Siskiyou Quartz Valley. Comment
  RSA153440  Erigeron strigosus Francia Chisaki, Helen Sharsmith 1960-8-20 4739 Siskiyou On Wildcat Canyon Road ca. 4 miles west of Callahan 1067 Comment
  CAS-BOT-BC248780  Eriogonum baileyi var. baileyi W. B. Cooke; V. G. Cooke 1966-7-16 37216 Siskiyou Above Bolam Station, Mt. Shasta 1524 Comment
  LA88832  Eriogonum baileyi var. baileyi 1966-9-11 s.n. Siskiyou Comment
  CAS-BOT-BC250066  Eriogonum compositum var. compositum John Thomas Howell 1939-8-2 14869 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC635010  Eriogonum compositum var. compositum H. L. Mason 1931-5-9 5865 Siskiyou Shasta Creek Comment
  CAS-BOT-BC248840  Eriogonum compositum var. compositum Lillian Mott 1976-5-31 19 LM76 Siskiyou Klamath River, for ca. 4.5 miles below jct. of Hwy. 5 and 96 579 Comment
  POM104935  Eriogonum compositum var. compositum Geo. D. Butler 1910-5-21 1378 Siskiyou Klamath hills Comment
  SJSU2594  Eriogonum compositum var. compositum H. L. Buckalew 1962-7-12 Siskiyou Poker Flat c. 3 mi W of junction of Indian Crwith W Branch Indian Cr, Siskiyou Mts 1127 Comment
  UC796516  Eriogonum compositum var. compositum Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11763 Siskiyou 1 mi n Callahan; east fork of Scott River Comment
  CAS-BOT-BC124204  Eriogonum congdonii Joseph Whipple Congdon 1900-8-18 s.n. Siskiyou Mt. Eddy Trail Comment
  CHSC67578  Eriogonum congdonii James D. Jokerst 1992-7-30 3430 Siskiyou Top of divide between Trinity River, summit of reddish mountains S of road crossing saddle. [no additional location data; W of Interstate 5? V. Oswald] Comment
  RSA0004986  Eriogonum diclinum Louis C. Wheeler 1934-9-1 3235 Siskiyou Siskiyou Mountains, Jaynes Canyon. 1951 Comment
  RSA237982  Eriogonum diclinum Frederick W. Oettinger 1969-9-4 1643 Siskiyou Little Medicine Mountain, north of Tobacco Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  UC77428  Eriogonum elatum Dr. E. B. Copeland 1903-7-3 3525 Siskiyou Klamathon Comment
  CHSC71590  Eriogonum elatum var. elatum Vernon H. Oswald; Lowell Ahart 1998-8-3 9409 A Siskiyou USFS 41N03 1.0 mi east of its junction with Gazelle-Callahan Rd. 11.5 mi west of Gazelle. 1524 Comment
  CAS-BOT-BC255760  Eriogonum elatum var. villosum A. A. Heller 1925-7-25 13906 Siskiyou About 7 miles south of Yreka Comment
  CAS-BOT-BC261212  Eriogonum hirtellum D. F. Howe 1962-8-4 s.n. Siskiyou Baldy Mt. 1432 Comment
  RSA279582  Eriogonum luteolum James L. Reveal, Mark L. Reveal 1975-8-15 3949 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Daggett Creek Road on the west slope of Cedar Cove, about 0.5 mile east of the Forest Service Road 46N52, about 2.2 miles north of California Highway 96 Comment
  JEPS56732  Eriogonum marifolium W. L. Jepson 1940-6-28 20063 Siskiyou McCloud 975 Comment
  JEPS56784  Eriogonum marifolium Willis L. Jepson 1894-8-4 Siskiyou Timber line, Mt. Shasta Mt. Shasta Comment
  UC61674  Eriogonum marifolium Geo. B. Grant 1902-10-1 5091 Siskiyou Horse Camp Mt. Shasta, Horse Camp 2438 Comment
  CHSC102576  Eriogonum marifolium var. marifolium L. P. Janeway 2009-8-3 9890 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 2.6 air km southwest of Brewer Creek Trailhead; about 20 m south of Brewer Creek. 2637 Comment
  CAS-BOT-BC267404  Eriogonum microthecum Elmer I. Applegate 1915-9-20 3322 Siskiyou Captain Jack's Stronghold, Modoc Lava Beds, northeast corner of Siskiyou County Comment
  CAS-BOT-BC271026  Eriogonum nudum var. deductum Isabelle C. Kimber 1934-6-9 3 Siskiyou Mt. Shasta 1219 Comment
  SBBG21291  Eriogonum nudum var. nudum D. Myrick 1964-7-25 954 Siskiyou Shasta Ski Bowl Hwy, Mt Shasta 1219 Comment
  UC1043396  Eriogonum nudum var. nudum P. C. Everett and E. K. Balls 1954-10-13 20279 Siskiyou 6.7 mi ne, road to Kangaroo Mt. Hwy. 96; Seiad Creek 701 Comment
  RSA393331  Eriogonum nudum var. nudum L. S. Rose 1937-6-26 37601 Siskiyou 3 miles east of Mt. Shasta City. 1372 Comment
  UC849763  Eriogonum nudum var. oblongifolium A. A. Heller 1916-9-1 12641 Siskiyou near Yreka Comment
  RSA601442  Eriogonum nudum var. oblongifolium Louis C. Wheeler 1935-6-29 3624 Siskiyou Yreka. 808 Comment
  RSA66347  Eriogonum nudum var. pubiflorum F. W. Peirson 1923-7-19 4209 Siskiyou Whitney Creek, Mt. Shasta. Comment
  UCD100723  Eriogonum nudum var. pubiflorum J. M. Tucker 1950-7-25 1953 Siskiyou beside Cold Creek at the Military Road crossing, about 6 miles northwest of Pilgrim Creek Experiment Station, east side of Mt. Shasta. Comment
  UC85678  Eriogonum pyrolifolium J. W. Congdon 1900-8-13 Siskiyou Mt. Shasta Comment
  UC2062600  Eriogonum pyrolifolium var. pyrolifolium Belinda Lo with Alex Randolph-Lowe 2017-8-25 363 Siskiyou SISKIYOU COUNTY: Ash Creek Butte, west of the peak. Comment
  POM165277  Eriogonum pyrolifolium var. pyrolifolium C. F. Baker 1903-8-16 3807 Siskiyou Mount Shasta 3049 Comment
  CHSC71594  Eriogonum siskiyouense Vernon H. Oswald; Lowell Ahart 1998-8-3 9406 Siskiyou USFS 41N03 0.2 mi east of its junction with Gazelle-Callahan Rd. 11.5 mi west of Gazelle. Roadside opening. 1524 Comment
  SEINET3405023 Image available Eriogonum siskiyouense Dorothy Parker 1968-8-10 Siskiyou Kangaroo Divide, above Kangaroo Lake Comment
  CAS-BOT-BC269971  Eriogonum spergulinum var. reddingianum W. B. Cooke; V. G. Cooke 1975-9-3 50491 Siskiyou Ash Creek at Military Pass Road, East side of Mt. Shasta Comment
  CHSC71311  Eriogonum sphaerocephalum var. halimioides Vernon H. Oswald; Mike Dolan, Beth Corbin 1998-6-27 9242 Siskiyou Big Tableland at the southwest edge of the lower Klamath National Wildlife Refuge. Comment
  CAS-BOT-BC262761  Eriogonum strictum var. anserinum Geo. D. Butler 1908-8-6 211 Siskiyou Whiskey Camp, Independence Creek Comment
  CAS-BOT-BC262766  Eriogonum strictum var. anserinum Dorothy Parker 1967-6-20 s.n. Siskiyou Scott Valley 914 Comment
  SEINET7459646 Image available Eriogonum sulphureum Unknown 1927-1 14443 Siskiyou 5 mi. S. of Yreka. The type region. Comment
  CAS-BOT-BC267941  Eriogonum umbellatum Louis C. Wheeler 1934-6-22 2759 Siskiyou Klamath National Forest. Cottonwood Cr. 914 Comment
  CAS-BOT-BC267946  Eriogonum umbellatum L. P. Janeway 1984-6-22 878 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08 1645 Comment
  HSC65577  Eriogonum umbellatum R. White 1977-7-7 111 Siskiyou Devil's Punchbowl, NE shore 1433 Comment
  HSC69393  Eriogonum umbellatum Maralyn A. Renner 1980-9-9 2761 Siskiyou Medicine Mtn., ridge to SW 2058 Comment
  CAS-BOT-BC267972  Eriogonum umbellatum var. argus James L. Reveal; Darin S. Reveal 1978-8-8 4808 Siskiyou Along the road from Scott Mountain Summit on California Highway 3 on the Gazelle-Callahan Road via Big Carmen Lake (USFS #40N08), 2.5 miles northeast of the Summit and about 1 mile northeast of the Lake, at the end of a ridge about 0.3 mile north of the.. 1737 Comment
  CAS-BOT-BC267980  Eriogonum umbellatum var. argus Carl B. Wolf 1934-7-5 5966 Siskiyou Siskiyou Mts., 3 6/10 mi. from Dry Lake Lookout on road to Horse Creek 1981 Comment
  CAS-BOT-BC267998  Eriogonum umbellatum var. argus Doris K. Kildale 1928-7-2 5359 Siskiyou Salmon Summit, via Horn Creek trail 1981 Comment
  HSC17363  Eriogonum umbellatum var. argus Jerry Parker 1969-10-6 133 Siskiyou Ridge above High Lake 2134 Comment
  UC203863  Eriogonum umbellatum var. argus A. A. Heller 1914-8-28 11742 Siskiyou e side of Mt. Eddy Mt. Eddy 2194 Comment
  SCFS2090  Eriogonum umbellatum var. covillei P. C. Billings 1965-7-19 94 Siskiyou 100' above end of rd on Mt. Shasta 2438 Comment
  UC1211913  Eriogonum umbellatum var. dumosum Roy L. Taylor 1960-6-12 4441 Siskiyou 1 mi w junction Hwy. 96 (Klamath River rd.) and Hwy. 99 (n of Yreka, hillsides above Klamath River); Klamath River Comment
  RSA420693  Eriogonum umbellatum var. dumosum Louis C. Wheeler 1934-6-22 2759 Siskiyou Dry sunny hillside. Cotton Creek, Siskiyou Mts. 915 Comment
  HSC43408  Eriogonum umbellatum var. humistratum K. T. Stillman 1976-6-27 147 Siskiyou Marble Mtn. Wilderness area 2073 Comment
  HSC95793  Eriogonum umbellatum var. lautum James L. Reveal 2001-7-19 8348 Siskiyou Scott Valley, along S Kidder Creek Rd., 0.5 mi. WSW of Hwy. 3, 6.1 mi. SW of Fort Jones, 5.7 mi. N of Etna 869 Comment
  UC725673  Eriogonum umbellatum var. modocense A. A. Heller 1916-7-20 12469 Siskiyou near Wagon Creek falls (e side of Mt. Eddy); Mt. Eddy 1524 Comment
  UCD77655  Eriogonum umbellatum var. modocense Robert E. Preston 2005-7-1 2359 Siskiyou 3.3 mi E of Granada, along County Rd A12 787 Comment
  CAS-BOT-BC265198  Eriogonum umbellatum var. nevadense Frank W. Peirson 1923-7-19 3711 Siskiyou Near Bray Comment
  RSA65958  Eriogonum umbellatum var. nevadense F. W. Peirson 1923-7-19 3711 Siskiyou Near Bray. Comment
  UCSB63911  Eriogonum umbellatum var. nevadense Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou Southeast of Medicine Lake at Paynes Springs: T43N R4E NW1/4 Sect. 19; on the rim of Paynes Creek Canyon north of the campground 1981 Comment
  LA207050  Eriogonum umbellatum var. polyanthum Louis C. Wheeler; 1934-6-22 2759 Siskiyou Siskiyou Mountains 914 Comment
  SD23789  Eriogonum umbellatum var. polyanthum Wm. Bridge Cooke 1938-8-24 11581 Siskiyou Mt. Shasta 2133 Comment
  UC1980594 Image available Eriogonum ursinum var. erubescens James L. Reveal, Julie D. Knorr 2002-8-5 8371 Siskiyou Scott Bar Mountains, n and w slope and ridge of Deadwood Baldy Peak, Klamath National Forest. Comment
  JEPS56139  Eriogonum vimineum W. L. Jepson 1940-6-23 19987 Siskiyou e Grenada and Mayten (east side of Little Shasta Valley); Little Shasta Valley 883 Comment
  CAS-BOT-BC376589  Eriophorum crinigerum Andrew Townesmith; Karen M. Meyer 2007-8-1 883 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway) 1983 Comment
  CAS-BOT-BC300353  Eriophyllum Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 8 Siskiyou Mumbo Basin, Trinity Mts. 1828 Comment
  CAS-BOT-BC301107  Eriophyllum lanatum var. achilleoides A. A. Heller 1916-7-20 12479 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1524 Comment
  JEPS34501  Eriophyllum lanatum var. achilleoides W. L. Jepson 1940-6-23 20002 Siskiyou n of Mt. Shasta; Andesite station 975 Comment
  RSA106204  Eriophyllum lanatum var. achilleoides D. D. Keck 1953-7-31 6535 Siskiyou Deer Mountain Service Station, 3.5 mi. S of Grass Lake. Comment
  UC163824  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-6-7 1532 Siskiyou McAdams Creek Comment
  UC163895  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1908-6-25 333 Siskiyou Yreka; near Yreka Comment
  CAS-BOT-BC301138  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-7-6 E 119 Siskiyou 10 m. n. Weed, on K. Falls road Comment
  POM55441  Eriophyllum lanatum var. achilleoides Copeland 1903-7-6 3549 Siskiyou Hornbrook Comment
  CAS-BOT-BC301453  Eriophyllum lanatum var. grandiflorum Geo. B. Grant 1902-9-15 s.n. Siskiyou Shasta Springs Comment
  RSA715933  Eriophyllum lanatum var. grandiflorum L. Ahart, John Dittes 2005-6-10 12090 Siskiyou About 150 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  RSA47995  Eriophyllum lanatum var. integrifolium Roxana S. Ferris, Laura Lorraine 1948-6-12 11860 Siskiyou 2.4 miles below summit of Gazelle Mt. grade, east side 1418 Comment
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Mar 28 2012
  HSC68984  Eriophyllum lanatum var. lanceolatum Maralyn A. Renner 1980-7-24 2002 Siskiyou Lily Pad Lake 1768 Comment
  HSC94091  Eriophyllum lanatum var. lanceolatum G. Fred Hrusa 1998-7-5 14684 Siskiyou S side of Pass on Happy Camp-O'Brien Rd., CA side of state boundary, above Indian Creek Camp 750 Comment
  SEINET11850779  Eriophyllum lanatum var. lanceolatum M. Ownbey, Meyer, F. G. 1940-1 2174 Siskiyou Siskiyou Mountains, NW of Hornbrook Comment
  HSC41085  Erodium cicutarium J. O. Sawyer 1970-3-4 2071 Siskiyou N of Idlewild Campground. 762 Comment
  JEPS19770  Eryngium articulatum Rimo Bacigalupi with S. Galen Smith 1957-6-27 5972 Siskiyou ca. 2 1/2 mi. n.w. Weed (close to U.S. Hwy. 99) 1005 Comment
  CAS-BOT-BC54570  Erysimum capitatum Alice Eastwood; John Thomas Howell 1934-4-20 1792 Siskiyou 4 miles north of Weed. Comment
  CAS-BOT-BC54585  Erysimum capitatum R. E. Frenkel 1965-6-14 942 Siskiyou On Everitt Memorial Highway, 2.7 miles north of McCloud River RR crossing near Mount Shasta. 1508 Comment
  SJSU2552  Erysimum capitatum H. L. Buckalew 1962-7-14 Siskiyou Poker Flat c. 3 mi W of junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts 1143 Comment
  CAS-BOT-BC55112  Erysimum perenne William Bridge Cooke 1938-8-24 11583 Siskiyou Mount Shasta. Near North Gate, west of Grey Butte. 2133 Comment
  HSC19421  Erysimum perenne J. O. Sawyer 1968-7-23 565 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  HSC19560  Erysimum perenne J. O. Sawyer 1969-7-24 1472 Siskiyou NW facing slope SW of Sugar lake. 1829 Comment
  HSC30463  Erysimum perenne Frederick W. Oettinger 1967-8-12 250 Siskiyou Marble Mtn. Wilderness Area, near Tom Taylor Cabin 2104 Comment
  HSC65343  Erysimum perenne Rich White 1978-7-20 264 Siskiyou Ridge top E of Raspberry Lake 1768 Comment
  UC13824  Erythronium grandiflorum Harley P. Chandler June, 1901 1619 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 2133 Comment
  CAS-BOT-BC505226  Erythronium grandiflorum A. M. Vollmer; L. Beane 1951-6-2 85 Siskiyou Happy Camp, Klamath River Highway Comment
  HSC61782  Erythronium grandiflorum subsp. grandiflorum Ruby Van Deventer Siskiyou Poker Flat 1585 Comment
  RSA237912  Erythronium grandiflorum subsp. grandiflorum Frederick W. Oettinger 1967-7-20 175 Siskiyou SSE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  POM210925  Euphorbia lathyris L. C. Wheeler 1934-11-4 3358 Siskiyou Marble Mountains: Scott Bar, Scott River. (Mt Diablo Mer.) 518 Comment
  CDA36154  Euphorbia virgata C. Pirosko Jul 2003 s.n. Siskiyou 0 Comment
  JEPS31916  Eurybia radulina H. W. Furlong Sep 1901 Siskiyou summit to Ager; Northern Siskiyou Co Comment
  JEPS104936  Festuca californica Dean W. Taylor 1996-6-18 15698 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 Comment
  RSA273423  Festuca californica var. californica J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5735 Siskiyou 2.0 miles south of Sugar Creek on Parrott Mill Road. 1341 Comment
  HSC25420  Festuca idahoensis J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5664 Siskiyou Ridge E of Cook and Green Pass 1524 Comment
  HSC77121  Festuca idahoensis K. T. Stillman 1976-6-25 99 Siskiyou Marble Mtn. Wilderness Area, between Marble Gap and Elk Valley Trail Comment
  SBBG575  Festuca microstachys var. microstachys J. M. Tucker 1947-5-17 1557 Siskiyou ca. 5 mi SE of Callahan on rd to Scott Mtn Comment
  HSC41064  Festuca occidentalis J. O. Sawyer 1969-6-11 810 Siskiyou Ridge S of Paynes Lake Creek. 1326 Comment
  UC818049  Festuca occidentalis Alice Eastwood 1912-7-17 1098 Siskiyou McCloud Comment
  CAS-BOT-BC278638  Festuca subulata A. A. Heller 1916-7-20 12466 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC282570  Festuca viridula Gilbert Muth 1969-8-6 1178 Siskiyou Boulder Peak 2529 Comment
  UC618840  Fragaria vesca unknown 1938-6-24 11079 Siskiyou MacBride Springs; Mount Shasta Comment
  HSC69738  Frangula californica subsp. californica Maralyn A. Renner 1980-6-26 1279 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  CAS-BOT-BC53413  Frangula californica subsp. occidentalis W. R. Dudley 1892-6-23 s.n. Siskiyou Castle Lake Trail, near Mt. Shasta Comment
  UCD112752  Frangula californica subsp. occidentalis K. M. Meyer; A. Townesmith 2007-7-31 176 Siskiyou Shasta-Trinity National Forest. 6.2 on NF Road 17, off U.S. Hwy 97. 1350 Comment
  CAS-BOT-BC59981  Frangula purshiana C. Hart Merriam 1919-9-24 s.n. Siskiyou Klamath Canyon, mouth of Shovel Creek. Comment
  HSC59596  Frangula purshiana J. P. Smith, Steve Selva 1970-6-16 4087 Siskiyou 7 mi. W of Sawyers Bar on road to Forks of Salmon Comment
  UCD35441  Frangula purshiana Beecher Crampton 1956-8-21 3852 Siskiyou 3.5 miles southwest of Mt. Shasta City, slopes above the Sacramento River. 1005 Comment
  SBBG26936  Frangula purshiana subsp. purshiana D. K. Kildale 1928-7-3 Siskiyou Little N Fork Salmon River, Sawyers Bar-Etna Mills Rd Comment
  SEINET11249900  Frangula rubra H. M. Hall, E. B. Babcock 4172 Siskiyou Head of McCloud River 1524 Comment
  CAS-BOT-BC55716  Frangula rubra subsp. obtusissima Wm. F. Herrin 1920-8-25 s.n. Siskiyou Mt. Eddy Comment
  RSA761385  Frasera Barbara Ertter 1990-7-14 9304 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. 1677 Comment
  HSC16197  Fraxinus latifolia C. B. Wolf 1927-8-26 998 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  CAS-BOT-BC502834  Fritillaria atropurpurea W. R. Dudley 1893-6-21 s.n. Siskiyou Near spring on Mount Shasta Comment
  UC164478  Fritillaria pudica Geo. D. Butler 1909-5-3 1089 Siskiyou near Yreka Comment
  CAS-BOT-BC506212  Fritillaria pudica F. M. Anderson 1896-4-1 s.n. Siskiyou Near Yreka Comment
  CAS-BOT-BC508135  Fritillaria recurva Wm. F. Herrin 1921-5-9 s.n. Siskiyou Shasta Springs Comment
  RSA565099  Fritillaria recurva D. W. Taylor 1993-5-26 13520 Siskiyou 1 mile NW Timbered Crater, ca. 400 m east of Forest Road 40N04 and right-of-way of PG&E natural gas pipeline, on border of narrow meadows along unnamed creek tributary to Adobe Flat 1120 Comment
  RSA607099  Fritillaria recurva Louis C. Wheeler 1935-4-17 3427 Siskiyou Soap Creek, Siskiyou Mountains 1037 Comment
  SEINET8480257  Fritillaria recurva G. D. Butler 1910-4-17 1191 Siskiyou Near Yreka. Comment
  RSA238530  Galium bifolium Frederick W. Oettinger 1968-8-18 580 Siskiyou Due N of Tobacco Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1890 Comment
  HSC104308  Galium glabrescens subsp. glabrescens Dana York 2012-7-21 3144 Siskiyou Rogue River-Siskiyou National Forests; Siskiyou Mountains, Red Buttes Wilderness, a few meters below summit of Red Butte 2043 Comment
  JEPS83840  Galium serpenticum subsp. scotticum Kenneth M. Balk and Miles Dwan 1980-7-18 418 Siskiyou along Hwy 3 between Callahan and Scott Mountain Campground; Klamath National Forest, China Mountain Quadrangle 1371 Comment
  RSA264749  Galium trifidum Peter Rubtzoff 1955-7-10 1952 Siskiyou Duncans Mills Marsh Comment
  HSC68508  Garrya buxifolia Maralyn A. Renner 1980-6-10 876 Siskiyou Ridge 1 mi. S of Greenhorn Rd. and 1 mi. E of Mill Creek 1341 Comment
  CAS-BOT-BC182232  Garrya fremontii Edward Lee 1934-8-13 1058 Siskiyou Happy Camp to Waldo (Oregon) road, watershed of West Branch of Indian Creek, Klamath National Forest 1219 Comment
  HSC8398  Garrya fremontii C. B. Wolf 1927-8-26 1045 Siskiyou Along Klamath River, 4 mi. N of Gottville Comment
  LA40344  Garrya fremontii Louis C. Wheeler; 1934-6-22 2764 Siskiyou Siskiyou Mountains, Cottonwood Creek 1066 Comment
  RSA96943  Garrya fremontii Percy C. Everett, E. K. Balls 1954-10-10 20263 Siskiyou Road from town of Mt. Shasta to Castle Lake, one mile south of turn off to Ney Springs. 1159 Comment
  HSC30575  Gaultheria ovatifolia Frederick W. Oettinger 1968-9-8 785 Siskiyou Marble Mountain Wilderness Area, High Lake Basins, English Lake 1753 Comment
  HSC183  Gayophytum diffusum subsp. parviflorum William J. Ferlatte 1966-8-2 237 Siskiyou Big Flat, wooded area near public camp 1524 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
  HSC92089  Gayophytum diffusum subsp. parviflorum Jennifer Whipple 1976-9-4 1788 Siskiyou Near Durney Lake 2073 Comment
  RSA120858  Gayophytum diffusum subsp. parviflorum G. D. Barbe 1957-7-13 378 Siskiyou Big Flat Public Camp, Klamath National Forest 1524 Comment
  POM258619  Gayophytum heterozygum W. Bridge Cooke 1940-7-5 15222 Siskiyou Along the Wagon Camp road in dry places near Howard, Mount Shasta. 1220 Comment
  HSC29486  Gayophytum humile Frederick W. Oettinger, R. F. Thorne 1969-8-5 1189 Siskiyou Salmon Mtns., trail, English Lake to Abbotts 1707 Comment
  SEINET3150076  Gayophytum ramosissimum L. S. Rose 1937-7-28 37599 Siskiyou Shasta Springs 914 Comment
  SEINET3150777  Gentiana calycosa G. D. Butler 1910-7-9 1709 Siskiyou Shackleford Creek 1219 Comment
  UCD77735  Gentiana calycosa Robert E. Preston 2002-7-14 1932 Siskiyou Klamath National Forest, N slope of Rainbow Mountain. 1895 Comment
  CAS-BOT-BC143591  Geum triflorum Geo. D. Butler 1910-6-19 1578 Siskiyou Goosenest foot hills 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
  HSC45986  Gilia capitata J. P. Smith, Steve Selva 1970-6-15 3947 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  POM75062  Gilia capitata Geo D. Butler 1909-5-10 741 Siskiyou Near Yreka. Comment
  RSA78824  Gilia capitata P. A. Munz 1952-7-2 17902 Siskiyou Baldy Mountain about 6 miles (by air) west of Happy Camp. 1707 Comment
  CHSC96011  Gilia capitata subsp. capitata L. P. Janeway 2006-7-3 8763 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead Road at upper crossing of Music Creek. 1716 Comment
  UC1409306  Gilia capitata subsp. capitata Frederick W. Oettinger 1968-8-16 536 Siskiyou Red Hill n Hancock Lake (High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2057 Comment
  UC933391  Gilia capitata subsp. capitata Annie M. Alexander and Louise Kellogg 1948-9-7 5592 Siskiyou at fork of road from Cecilville to first Lookout (Black Bear Summit, Siskiyou Mountains); Siskiyou Mountains, Black Bear Summit 1524 Comment
  UCD117779  Gilia latiflora subsp. davyi J. T. Howell; T. C. Fuller, G. D. Barbe 1980-5-20 2777 Siskiyou west of Motel 6, south of town, north of Greenhorn Creek Road, Yreka. 822 Comment
  CAS-BOT-BC283885  Glyceria declinata Wm. Bridge Cooke 1942-7-3 16365 Siskiyou In the Box Canyon of Sacramento River, near Mount Shasta City Comment
  SEINET198288 Image available Glyceria declinata G. L. Church 1941-6-19 1328 Siskiyou 1 mi W of Mt Shasta City rd to Abrams Lake Comment
  HSC22096  Glyceria elata J. O. Sawyer 1968-7-10 509 Siskiyou On Sugar Creek just above confluence with S Sugar Creek 1707 Comment
  JEPS118216  Glyceria elata Dean W. Taylor 2004-7-19 19189 Siskiyou Weed, wet meadow just east of town limits along Boles Creek 1051 Comment
  UCD85162  Glyceria elata L. Whitney 1934-6-24 s.n. Siskiyou Tennant. 1463 Comment
  CAS-BOT-BC302665  Gnaphalium palustre Laura M. Lathrop 1903-7-10 s.n. Siskiyou Shasta Retreat Comment
  UC134940  Gnaphalium palustre E. B. Copeland 1903-7-2 3533 Siskiyou Klamathon Pacific Coast, Klamathon Comment
  JEPS34001  Gnaphalium palustre George D. Butler 1908-7-16 314 Siskiyou Klamath River near Anderson's Ferry; Klamath River Comment
  HSC19395  Goodyera oblongifolia J. O. Sawyer 1968-6-18 195 Siskiyou Above S Russian Creek on W side. 1463 Comment
  RSA59842  Grayia spinosa E. K. Balls 1950-5-17 14726 Siskiyou SW corner of Tule Lake, (State Game Refuge). 1265 Comment
  UCD98141  Gypsophila paniculata T. C. Fuller 1963-8-27 11160 Siskiyou n. limits of Macdoel. Comment
  SEINET8196611  Gypsophila paniculata var. paniculata D. W. Taylor 2002-7-27 18276 Siskiyou Weed (town), on far W end of town along the old highway to Yreka. 1036 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
  SBBG16536  Hackelia californica D. Myrick 1961-6-19 264 Siskiyou rd to Mt Shasta Ski Bowl 1828 Comment
  UCSB15833  Hackelia californica Breedlove, Dennis 1962-6-11 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Mountains 1127 Comment
  HSC22134  Hackelia micrantha J. O. Sawyer 1969-7-9 1200 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  SEINET12281175  Hackelia setosa J. P. Tracy 1951-1 19470 Siskiyou Near Oregon-California state line, on the Takilma-Happy Camp Road Comment
  HSC77107  Hastingsia alba K. T. Stillman 1976-6-25 100 Siskiyou Marble Mtn. Wilderness Area, between Marble Gap and Elk Valley Trail Comment
  CAS-BOT-BC504624  Hastingsia alba Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC508652  Hastingsia alba Gilbert Muth 1966-7-14 387 Siskiyou Marble Mts., ridge near lookout 2042 Comment
  POM109513  Hastingsia alba Geo D. Butler 1910-6-5 1482 Siskiyou Shackleford Creek Comment
  RSA237440  Hazardia whitneyi var. discoidea Frederick W. Oettinger 1968-8-24 623 Siskiyou Crapo Peak Ridge above Tom Taylor Cabin. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  UCD148983  Helenium autumnale T. C. Fuller 1960-8-23 4966 Siskiyou around 1 mile southeast of Greenview, Scott Valley. Comment
  JEPS107103  Helenium bigelovii Barbara Ertter with Julie Kierstead and Jim Nelson 1990-7-15 9353 Siskiyou Morgan Meadows on E side of Mount Eddy ca 5 airmiles due W of Mount Shasta City Comment
  JEPS80579  Helenium bigelovii Gilbert Muth 1965-8-2 145 Siskiyou Marble Valley Marble Mt. Wilderness Area, Marble Valley 1792 Comment
  CAS-BOT-BC306754  Helenium bigelovii Ira L. Wiggins 1955-7-26 13510 Siskiyou Banks of S Fork of Salmon R just above mouth of Blind Horse Creek 886 Comment
  UC637159  Helenium puberulum Edward Lee 1934-8-12 1050 Siskiyou near mouth Walker Creek (e end of valley. Creek a tributary of the Klamath River); Seiad Valley 426 Comment
  CAS-BOT-BC314952  Hemizonella minima Elmer I. Applegate 1936-5-18 10319 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  JEPS24011  Hesperolinon micranthum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6872 Siskiyou along the road 4.7 mi below (n of) Scott Mtn. (road summit, just s of and above Callahan) 1127 Comment
  CDA15536  Heteromeles arbutifolia G. F. Hrusa 1998-7-5 14704 Siskiyou Siskiyou Mountains; Hwy 96 17.6 mi. W of Happy Camp. Comment
  POM40918  Heterotheca oregona var. rudis Geo D. Butler 1910-7-16 1790 Siskiyou Oro Fino Comment
  POM52143  Heterotheca oregona var. rudis Geo D. Butler 1910-7-16 1790 Siskiyou Oro Fino Comment
  SEINET3166883  Heterotheca oregona var. rudis J. C. Semple, S. Heard 1986-8-16 8496 Siskiyou E of Etna. On road to Gazelle, just NE of CA-3; 9.8 km S of road to Managaroo Lake Comment
  UCD77769  Heuchera cylindrica Robert E. Preston 2001-6-30 1650 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W nw 1/4 of se 1/4 Section 14 1889 Comment
  UCR93362  Heuchera cylindrica var. alpina Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Modoc National Forest; Forest Route 49 (Lava Beds/ Medicine Lake Rd.) within 1 mi. of southern boundary of Lava Beds National Monument 1555 Comment
  CAS-BOT-BC509286  Heuchera merriamii Dana York 2011-9-8 3085 Siskiyou Klamath National Forest, Marble Mountain Wildernesss, E slope of Kings Castle 2175 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
  RSA296722  Heuchera micrantha var. macropetala Clark L. Miller 1979-4-28 1108 Siskiyou 10 miles SE along Salmon River Comment
Read comments
Aug 31 2009
  JEPS36577  Hieracium albiflorum Geo. D. Butler 1908-8-3 345 Siskiyou Shackelford Creek Log Lake, Shackelford Creek 1524 Comment
  UC61071  Hieracium albiflorum W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta, Sisson Comment
  HSC34143  Hieracium albiflorum J. O. Sawyer 1969-6-17 957 Siskiyou 1768 Comment
  CDA39086  Hieracium aurantiacum Marla Knight 2013-7-2 1194 Siskiyou Quartz Valley; Private property. 0 Comment
  RSA608270  Hieracium greenei L. C. Wheeler 1935-7-23 3687 Siskiyou Miller Glade, Siskiyou Mountains. 1829 Comment
  JEPS36666  Hieracium nudicaule W. L. Jepson 1940-7-1 20086 Siskiyou 6 mi e McCloud (Fowlers Camp); McCloud River 975 Comment
  CAS-BOT-BC316015  Hieracium nudicaule Alice Eastwood 1921-7-29 10976 a Siskiyou Pilgrim Creek Nursery Comment
  HSC5844  Hieracium scouleri R. C. Wunner 1965-9-12 512 Siskiyou California Lava Beds National Monument; Between Caldwell Butte and Caldwell Minor 1433 Comment
  CAS-BOT-BC320109  Hieracium triste R. H. Bohmannson 1926-7-16 s.n. Siskiyou Mt. Shasta Comment
  JEPS93890  Hippuris vulgaris Vernon H. Oswald and Lowell Ahart 1998-7-21 9349 Siskiyou ne of Weed and s of Macdoel (along Old State Highway on the w side of Bray); Bray, Old State Highway 1417 Comment
  UCD84842  Holcus lanatus A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3444 Siskiyou Near Happy Camp bank of the Klamath River near habitations. Comment
  HSC65417  Holodiscus discolor Rich White 1978-7-20 261 Siskiyou Ridge top E of Raspberry Lake 1768 Comment
  CAS-BOT-BC152366  Holodiscus discolor var. discolor L. R. Short 1933-6-16 39 Siskiyou Klamath River 609 Comment
  HSC39744  Holosteum umbellatum J. O. Sawyer 1970-4-4 2091 Siskiyou Along Sugar Creek 823 Comment
  SEINET516278  Hordeum brachyantherum subsp. brachyantherum Vernon H. Oswald 1997-7-28 8787 Siskiyou SE of Medicine Lake on road 43N54 at a meadow 0.6 mi SE of Paynes Springs. 1920 Comment
  CAS-BOT-BC273496  Hordeum vulgare John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53378 Siskiyou 2 miles south of Grenada, Shasta Valley 762 Comment
  CAS-BOT-BC143964  Horkelia daucifolia David D. Keck; A. Gustafsson 1938-8-8 4860 Siskiyou On hillside 0.4 mi. S. of Scott Mt. Lodge, near Mill Creek, Scott Mts. 1040 Comment
  RSA47631  Horkelia daucifolia Roxana S. Ferris, Laura Lorraine 1948-6-12 11709 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], East Fork of Scott River Comment
  HSC49900  Horkelia daucifolia var. daucifolia Maralyn O'Meara 1974-5-25 439 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  JEPS80666  Horkelia fusca subsp. parviflora W. B. & V. G. Cooke 1970-7-22 42689 Siskiyou 0.5 mi above US-97 (Andesite Road); Mt. Shasta Comment
  SD215712  Horkelia fusca subsp. pseudocapitata E. K. Balls, L. W. Lenz 1956-6-18 21804 Siskiyou 1.4 miles west of Bartle (junction with road to Lava Beds), State Highway 89, McCloud to Burney 1219 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
  CAS-BOT-BC514292  Horkelia fusca var. pseudocapitata Alice Eastwood 1921-7-25 10810 Siskiyou Bigelows, McCloud River Comment
  CDA24878  Hornungia procumbens G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2591 Siskiyou Between Old Highway 99 and railroad 4 km south of Grenada. Comment
  HSC61502  Hosackia crassifolia Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1220 Comment
  UCD77834  Hosackia crassifolia Robert E. Preston 2001-6-23 1623 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W ne 1/4 Section 15 1706 Comment
  CAS-BOT-BC201124  Hosackia crassifolia J. F. Emmel 1968-7-17 87 Siskiyou W slope of Spring Hill, near town of Mt. Shasta Comment
  CAS-BOT-BC201135  Hosackia crassifolia Wm. Bridge Cooke 1940-6-7 15089 Siskiyou Along the Pacific Highway between Black Butte and Mount Shasta City Comment
  HSC72351  Hulsea nana J. P. Smith, Linda M. Barker, J. Cole, Jennifer Whipple 1976-7-28 8959 Siskiyou Sikiyou-Trinity county line, summit of Mt. Eddy 2752 Comment
  JEPS57174  Hulsea nana L. R. Heckard 1967-8-13 1701 Siskiyou Mt. Eddy; summit region 2743 Comment
  LA203778  Hulsea nana L. Ellison; 1928-9-12 505 Siskiyou Mt. Shasta, sw slope of mountain 2895 Comment
  HSC77082  Hydrophyllum occidentale K. T. Stillman 1976-6-16 8 Siskiyou Marble Mtn. Wilderness Area Comment
  SEINET3156129  Hydrophyllum occidentale G. D. Butler 1910-4-25 1241 Siskiyou Oro Fino Comment
  SEINET5518642  Hydrophyllum occidentale G. D. Butler 1910-4-25 1241 Siskiyou Oro Fino Comment
  HSC69225  Hypericum anagalloides Maralyn A. Renner 1980-8-31 2619 Siskiyou Twin Valley. 1494 Comment
  SEINET3157533  Hypericum scouleri G. D. Butler 1910-7-3 1627 Siskiyou Goosenest foothills 1219 Comment
  CAS-BOT-BC401470  Hypericum scouleri W. R. Dudley 1899-8-13 s.n. Siskiyou Near Nabar Meadows, McCloud Comment
  HSC89866  Iliamna bakeri L. R. Heckard, Lincoln Constance, Robert Ornduff 1969-6-24 2290 Siskiyou NW side of Mt. Shasta along Hwy. 97, 0.7 miles S of Bolam road junction Comment
  HSC30078  Ipomopsis aggregata D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19534 Siskiyou Snowman's Hill Summit 3 mi. W of McCloud on Hwy. 89 Comment
  JEPS796  Ipomopsis aggregata Willis L. Jepson Jul 24 1894-Aug 10 1894 15049 Siskiyou Sisson Comment
  UC455676  Ipomopsis aggregata I. J. Condit 1911-7-15 Siskiyou McCloud; Toll Rd to Shasta Springs Comment
  UCD118368  Ipomopsis congesta A. H. Murphy 1958-8-6 58 J Siskiyou Klamath National Forest, Red Mountain (Boulder Peak), Marble Mountains. 2346 Comment
  CAS-BOT-BC133533  Iris bracteata C. L. Hitchcock; J. S. Martin 1939-7-7 5270 Siskiyou Sanger Peak Trail, ca. 13 miles south of Takilma, Oregon 1066 Comment
  UCD138819  Iris tenuissima L. W. Lenz 1953-5-17 18313 Siskiyou along Salmon River 1.25 mile above junciton with Klamath. 176 Comment
  CAS-BOT-BC88667  Isatis tinctoria Ynez Whilton Winblad 1941-6-30 s.n. Siskiyou Between Oregon line and Yreka. Comment
  HSC100247  Isatis tinctoria J. P. Smith, & J. O. Sawyer 2010-5-2 12799 Siskiyou River access road, on the Salmon River. 164 Comment
  HSC85890  Isatis tinctoria S. Matthews, M. Goering, R. James 1985-5-4 50 Siskiyou Persidio Bar on Hwy. 96, near Klamath River 235 Comment
  RSA256698  Isatis tinctoria J. P. Smith 1974-5-25 7394 Siskiyou Along road 8, 0.9 miles from its jct with State Route 3. 976 Comment
  SEINET5342454  Isatis tinctoria T. H. Gilbert s.n. Siskiyou Scott Valley. Comment
  UC400939  Isoetes bolanderi Geo. D. Butler 1908-8-3 256 B Siskiyou Shackleford Creek Log lake Comment
  HSC28737  Isoetes occidentalis Frederick W. Oettinger, R. F. Thorne 1969-8-7 1268 Siskiyou Marble Mtn. Wilderness Area, W end of English Lake, shallow lake margin 1753 Comment
  SD230095  Isoetes occidentalis Louis C. Wheeler 1963-9-11 8385 Siskiyou Siskiyou Mountains: Dillon Creek, 3/4 mile NE of Sawtooth Mountain. 1615 Comment
  JEPS57180  Ivesia gordonii L. R. Heckard 1967-8-13 1695 Siskiyou summit region Mt. Eddy; Mt. Eddy summit region 2743 Comment
  HSC76668  Ivesia gordonii var. alpicola K. T. Stillman 1976-7-22 288 Siskiyou Marble Mtn. Wilderness Area Comment
  CAS-BOT-BC142866  Ivesia pickeringii Kevin Sawyer; John Sawyer; Jane Cole; J. P. Smith 1976-9-5 8970 Siskiyou 2.5 miles north of Trinity-Siskiyou Co. line on State Route 3. 1524 Comment
  CAS-BOT-BC110018  Juncus Melissa A. Berry 1957-7-4 s.n. Siskiyou High CCC Road, south of Highway 96, between Ridge and Humbug roads. 1371 Comment
  RSA368201  Juncus articulatus J. P. Smith 1978-7-1 9995 Siskiyou Klamath National Forest; O Neill Creek Campground. 488 Comment
  CHSC97977  Juncus balticus Jennifer Whipple 1976-7-2 1250 Siskiyou Klamath Mountains, Mount Eddy. Near Dobkins Lake. Along shore of lake. 2133 Comment
  JEPS107851  Juncus balticus var. balticus Lowell Ahart, John Dittes 2005-6-9 12043 Siskiyou Meadow area along a small drainage, on the west side of a poor rock fence, about 280 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
  RSA298329  Juncus bolanderi J. P. Smith, Steve Selva 1970-6-15 3923 Siskiyou 10 miles northwest of Forks of Salmon. Comment
  JEPS66928  Juncus bufonius var. occidentalis B. C. Goldsmith 1916-9-9 21 a Siskiyou Klamath Hot Springs Klamath River Comment
  CHSC40147  Juncus effusus subsp. pacificus L. P. Janeway 1983-7-2 363 Siskiyou On se side of Klamath R ca 6 mi e on China Cr Rd from Happy Camp. Ca 1/2 m from water's edge. 335 Comment
  HSC78324  Juncus ensifolius L. P. Janeway 1983-8-16 544 Siskiyou Poker Flat 1524 Comment
  JEPS94065  Juncus ensifolius Vernon H. Oswald and Lowell Ahart 1998-8-3 9421 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi. s.e. of Gazelle-Callahan Rd. at its intersection w/ USFS 41N10 1554 Comment
  UC637040  Juncus ensifolius Edward Lee 1934-8-13 1076 Siskiyou Happy Camp to Waldo (Oregon) road (watershed of West Branch of Indian Creek); Klamath National Forest, West Branch of Indian Creek 1371 Comment
  HSC33332  Juncus ensifolius William J. Ferlatte 1974-7-14 1528 Siskiyou Big Flat near S fork of the Salmon River, at edge of river below campground. 1509 Comment
  HSC60811  Juncus ensifolius Ruby Van Deventer 1962-8-15 Siskiyou Bell Echo Camp in Youngs Valley 1372 Comment
  HSC77127  Juncus ensifolius L. P. Janeway 1983-8-3 482 Siskiyou 350 m N of W Branch Guard Station 671 Comment
  RSA238916  Juncus ensifolius Frederick W. Oettinger 1968-9-7 749 Siskiyou On north side of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  SEINET6188314  Juncus ensifolius var. montanus M. J. Williams 1967-9-2 s.n. Siskiyou Cabin Meadow Comment
  UCD141559  Juncus howellii J. M. Tucker 1950-7-24 1952 Siskiyou Beside Cold Creek at the Military Road crossing, about 6 miles northwest of Pilgrim Creek Experience Station, east side of Mt. Shasta. Comment
  UC1265335  Juncus mertensianus Frederick W. Oettinger 1968-9-20 817 Siskiyou just s of Horse Range Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1844 Comment
  CHSC40149  Juncus nevadensis L. P. Janeway 1983-9-11 685 Siskiyou At Poker Flat, on s side of meadow. 1524 Comment
  JEPS88728  Juncus nevadensis B. C. Goldsmith 1916-9-29 35 a Siskiyou Medicine Lake Comment
  RSA142676  Juncus nevadensis Phillip A. Munz 1960-8-22 24175 Siskiyou Panther Meadows, Mt. Shasta. 2317 Comment
  RSA238911  Juncus nevadensis Frederick W. Oettinger 1968-8-2 351 Siskiyou Slope just SW of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  HSC78392  Juncus nevadensis var. nevadensis L. P. Janeway 1983-9-11 685 Siskiyou Poker Flat 1524 Comment
  RSA607421  Juncus occidentalis L. C. Wheeler 1934-8-17 3185 Siskiyou Siskiyou Mts. North side White Mt. 1829 Comment
  JEPS94883  Juncus tiehmii Vernon H. Oswald and Lowell Ahart 1998-7-21 9362 Siskiyou e of Grass Lake (ne of Weed, and w of Bray on Old State Highway 0.8 mi e of Tennant Road); Old State Highway 1417 Comment
  RSA368350  Juncus trilocularis L. C. Wheeler 1934-6-22 2753 Siskiyou Cottonwood Creek, Siskiyou Mountains. Mt. Diablo Mer. 915 Comment
  CAS-BOT-BC80909  Juniperus Mary Boyd Lichens 1948-5-1 s.n. Siskiyou near Walker, along Klamath River 579 Comment
  CAS-BOT-BC81141  Juniperus communis E. G. Dudley 1907-8-16 s.n. Siskiyou Peak north of Jackson Lake Comment
  POM120219  Juniperus occidentalis var. occidentalis Geo D. Butler 1908-7-1 1105 Siskiyou Near Yreka. Comment
  RSA6894  Juniperus occidentalis var. occidentalis Elmer I. Applegate 1932-4-15 7060 Siskiyou Scott Valley, east side Comment
  POM120190  Juniperus occidentalis var. occidentalis Geo D. Butler 1909-12-10 1102 Siskiyou Klamath hills Comment
  CAS-BOT-BC56355  Kalmia microphylla subsp. microphylla Donald Myrick 1961-6-21 308 Siskiyou on Deer Camp Road above Oak Knoll Range Station on Klamath River 19 miles west of Highway 99 1981 Comment
  SFV17491  Keckiella corymbosa P. Wilson 1998-7-25 3549 Siskiyou Highway 96 west of Happy Camp. Mile marker 35.50. 400 Comment
  HSC77232  Keckiella lemmonii L. P. Janeway 1983-8-21 577 Siskiyou FS Rd. 18N15, 3 mi. from FS Rd. 18N24 (Mill Creek Rd.) 1311 Comment
  JEPS10865  Keckiella lemmonii Geo. D. Butler 1908-8-24 426 Siskiyou Russian Creek 1219 Comment
  UC625520  Kelloggia galioides Frank W. Gould 1938-6-27 477 Siskiyou 3 mi n Mt. Shasta (town) (near the highway) 1082 Comment
  POM198424  Koeleria macrantha Geo D. Butler 1910-7-3 1625 Siskiyou Goosenest Foothills 1220 Comment
  CAS-BOT-BC340370  Kyhosia bolanderi Wm. Bridge Cooke 1939-8-22 13878 Siskiyou Mount Shasta. Below the Wagon Camp Sedge Swamp Comment
  CDA7519  Lactuca tatarica subsp. pulchella T. C. Fuller 1967-8-15 16260 Siskiyou 4 miles northeast of Macdoel. 0 Comment
  UC726454  Lagophylla ramosissima A. A. Heller 1919-6-27 13279 Siskiyou Metcalf's Comment
  SBBG67562  Lathyrus brownii A. A. Heller 1927-5-14 14378 Siskiyou base of Black Butte near W base of Mount Shasta Comment
  HSC71653  Lathyrus latifolius J. P. Smith, Steve Selva 1970-6-17 4096 Siskiyou 3 mi. E of Somes Bar. 152 Comment
  RSA78674  Lathyrus polyphyllus P. A. Munz 1952-7-1 17867 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 Comment
  CAS-BOT-BC88864  Lepidium campestre Alice Eastwood 1923-5-18 11835 Siskiyou Shasta Springs. Comment
  CDA24934  Lepidium montanum subsp. canescens R. S. Richards 1975-6-9 Siskiyou E. Dougherty & Sons potato sorting shed, Gazelle. 0 Comment
  UCD115871  Lepidium virginicum A. A. Heller 1916-8-24 12561 Siskiyou Near Sisson. 1074 Comment
  JEPS69868  Leptodactylon pungens Frank W. Peirson 1923-7-19 3809 Siskiyou w foot Mt. Shasta (road crossing of Whitney Creek); , Whitney Creek Comment
  UCD77251  Leptosiphon ciliatus Robert E. Preston 2002-6-20 1848 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope 1968 Comment
  POM74191  Leptosiphon harknessii Edward Palmer 1892-7-13 2463 Siskiyou Mt. Shasta and vicinity. Comment
  RSA237972  Leptosiphon harknessii Frederick W. Oettinger, R. F. Thorne 1969-8-4 1177 Siskiyou Tobacco Lake meadows. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC341891  Lessingia nemaclada Elmer I. Applegate 1923-9-7 3948 Siskiyou Doggett Creek 1524 Comment
  CAS-BOT-BC341896  Lessingia nemaclada A. A. Heller 1916-7-23 12494 Siskiyou At Dunsmuir 640 Comment
  CHSC79465  Lessingia nemaclada G. F. Hrusa 1997-9-18 14103 Siskiyou Near roadside, at intersection of Hwy 3 and Callahan/ Gazelle Rd. 1000 Comment
  POM56235  Lessingia nemaclada Geo. D. Butler 1910-8-13 1827 Siskiyou Scott Valley Comment
  CAS-BOT-BC342103  Leucanthemum vulgare Louis C. Wheeler 1934-8-20 3198 Siskiyou Klamath National Forest. W. Fork Beaver Cr. 1127 Comment
  HSC752  Leucothoe davisiae William J. Ferlatte 1966-8-3 279 Siskiyou Josephine Lake basin. 1677 Comment
  RSA238389  Leucothoe davisiae Frederick W. Oettinger 1967-8-3 230 Siskiyou Borner at the N. end of Diamond Lake. The Salmon Mtns. High lake basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2073 Comment
  SEINET3107004  Leucothoe davisiae Steve Selva, Roger Jensen 1974-8-16 15 Siskiyou West end of Sugar Lake. Comment
  HSC4437  Lewisia cotyledon William J. Ferlatte 1966-7-6 190 Siskiyou Caribou Basin 1982 Comment
  JEPS17195  Lewisia cotyledon var. cotyledon W. L. Jepson 1907-7-4 2817 Siskiyou Shackelford Canyon Comment
  RSA211266  Lewisia cotyledon var. heckneri William J. Ferlatte 1966-6-22 76 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  CAS-BOT-BC444079  Lewisia leeana John Thomas Howell 1937-7-24 13437 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  JEPS84275  Lewisia leeana L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6412 Siskiyou ca 5 mi n town of Seiad Valley (e slope of Kangaroo Mountain, cirque at head of Hell's Canyon); Kangaroo Mountain, Hell's Canyon 1828 Comment
  UC82848  Lewisia leeana J. G. Lemmon and wife 1878-1 1434 Siskiyou near Shasta (Castle Lake); Castle Lake Comment
  HSC44986  Lewisia leeana J. O. Sawyer 1978-6-21 3291 Siskiyou Marble Mtn. Wilderness area, ridge above Crapo Meadow 2012 Comment
  RSA120814  Lewisia leeana G. D. Barbe 1955-7-9 157 Siskiyou South side of Kangaroo Lake, Scott Mountains 1829 Comment
  RSA760740  Lewisia leeana R. F. Thorne, Frederick W. Oettinger 1969-8-4 63370 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  HSC65284  Lewisia triphylla Rich White 1978-7-6 251 Siskiyou Pond above Elk Hole 1524 Comment
  SEINET10661901  Leymus cinereus Lowell Ahart, John Dittes 2005-6-10 Ahart 12109 Siskiyou T43N, R5W, northwest 1/4 Section 5. 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. 777 Comment
  CAS-BOT-BC436053  Ligusticum grayi Louis C. Wheeler 1934-8-9 3090 Siskiyou Siskiyou Mountains, Head Jaynes Canyon 1981 Comment
  UC1409812  Ligusticum grayi J. M. Tucker 1974-7-28 4313 Siskiyou Marble Mt. Wilderness Area, Haypress Meadows 1463 Comment
  UC1619909  Ligusticum grayi Barbara Ertter 1990-7-14 9342 Siskiyou ca. 4 airmiles w. Mt. Shasta City (Wagon Creek on e. side of Mt. Eddy, where several forks join before steep drop); Mt. Eddy, Wagon Creek 1828 Comment
  HSC570  Lilium kelleyanum William J. Ferlatte 1967-7-25 721 Siskiyou Caribou Basin 1982 Comment
  HSC82360  Lilium kelleyanum Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4518 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  RSA211340  Lilium kelleyanum William J. Ferlatte 1966-8-3 280 Siskiyou Josephine Lake basin. Trinity Alps. 1677 Comment
  CAS-BOT-BC509361  Lilium kelleyanum Albert M. Vollmer; L. Beane 1953-7-1 109 Siskiyou Foot of Mt. Shasta Comment
  CAS-BOT-BC509366  Lilium kelleyanum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 7 Siskiyou On bottom of canyon and along banks of Cow Creek about 10 miles NE of Sawyer's Bar, on road to Etna. 975 Comment
  UC375209  Lilium pardalinum Geo. D. Butler 1908-8-3 115 Siskiyou Log Lake; Shackleford Creek Comment
  CAS-BOT-BC130822  Lilium pardalinum Wayne Roderick 1967-7-24 s.n. Siskiyou Near Lily Pad Lake, n. of Seiad Valley 1676 Comment
  UC880302  Linanthus unknown 1941-6-6 16012 Siskiyou e base Mt. Eddy Comment
  SEINET14405890  Linanthus pungens G. D. Butler 1910-7-8 1688 Siskiyou Shackleford Creek Comment
  UCD123898  Linaria dalmatica subsp. dalmatica T. C. Fuller 1960-6-30 4649 Siskiyou Mt. Hebron-Medicine Lake Road, just E/Rock Rock School Road. Comment
  CDA6303  Linaria genistifolia subsp. dalmatica T. C. Fuller 1962-5-17 8736 Siskiyou East side of Highway 99, across from Pinehurst Motel, south limits of Weed. 0 Comment
  UC912441  Linnaea borealis var. longiflora D. Tebbe 1929-7-15 137 Siskiyou Salmon Mountains Comment
  UC921111  Linnaea borealis var. longiflora Frank Bascom July, 1945 Siskiyou Hedge Creek about two mi easterly from Shasta Springs; Dunsmuir Quad., Hedge Creek e from Shasta Springs 914 Comment
  HSC4906  Listera caurina J. O. Sawyer 1968-7-2 370 Siskiyou Upper drainage of Joe Creek 1677 Comment
  UC1190127  Listera convallarioides Ira L. Wiggins 1955-7-23 13470 Siskiyou China Creek 1097 Comment
  UC705916  Lithocarpus densiflorus Marion Ownbey, Fred G. Meyer 1940-7-8 2231 Siskiyou 17 mi n Happy Camp; Siskiyou Mountains Comment
  CAS-BOT-BC36010  Lithocarpus densiflorus var. densiflorus Marion Ownbey; Fred G. Meyer 1940-7-8 2231 Siskiyou Siskiyou Mountains, 17 miles north of Happy Camp. Comment
  CAS-BOT-BC36526  Lithocarpus densiflorus var. echinoides Wm. Bridge Cooke 1940-6-6 15031 Siskiyou along trail to Castle Lake Road 1524 Comment
  UC585241  Lithocarpus densiflorus var. echinoides E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1982 Siskiyou about 1.5 mi w Mt. Shasta City (e and ne slope of spur of Rainbow Ridge above Sulloway Creek); Rainbow Ridge 1188 Comment
  HSC91190  Lithophragma glabrum Jennifer Whipple 1978-6-5 2352 Siskiyou Pass between Eddy Creek and Deadfall Creek drainages 2073 Comment
  UC166491  Lithophragma glabrum Geo. D. Butler 1910-3-18 1132 Siskiyou Be<??>k 5 Yreka (Yreka) Comment
  CAS-BOT-BC435631  Lithophragma heterophyllum J. H. Thomas 1954-5-13 4154 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Along Rush Creek. 1127 Comment
  SBBG30540  Lithophragma parviflorum D. Myrick 1968-6-25 2010 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  CAS-BOT-BC317338  Lithospermum californicum Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  CDA40613  Lithospermum californicum Gene Deal 1968-6-11 s.n. Siskiyou Adar Mill prop., Mt Shasta. 0 Comment
  CAS-BOT-BC283562  Lolium multiflorum Geo. D. Butler 1909-9-5 864 Siskiyou Near Yreka Comment
  UCD66463  Lolium perenne A. A. Heller 1921-7-5 13564 Siskiyou Abrams Lake, near Sisson. Comment
  RSA592535  Lomatium californicum S. O. Mattoon, Ken Hansen 1978-6-16 4 Siskiyou Humbug Creek, 3 miles S of Klamath River, north slopes of Scott Bar Mountains 640 Comment
  SEINET8589104  Lomatium californicum G. D. Butler 1911-5-18 1359 Siskiyou Dry thicket near Eureka Comment
  HSC43035  Lomatium dasycarpum subsp. dasycarpum J. O. Sawyer, Ken Stillman 1976-7-2 2808 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  HSC22217  Lomatium macrocarpum J. O. Sawyer 1969-8-1 1633 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  POM82356  Lomatium nudicaule Geo. D. Butler 1910-5-19 1363 Siskiyou Siskiyou County, Dry land, Yreka Comment
  UC640623  Lomatium peckianum Alice Eastwood and John Thomas Howell 1934-4-20 1785 Siskiyou 4 mi. n. Weed Comment
  SEINET7042824  Lomatium peckianum A. G. Vestal 1955-5-16 s.n. Siskiyou Bouldery roadside ca. 5.2 miles northwest of Weed. Weed quadrangle UTM Zone 10, 544718mE, 4590385mN. Comment
  UCD127272  Lomatium triternatum var. macrocarpum Robert E. Preston 1995-6-18 883 Siskiyou Irongate Reservoir, 0.6 miles NNW of dam at roadside. 731 Comment
  JEPS17562  Lomatium utriculatum M. K. Curran July, 1887 Siskiyou Edgewood Comment
  SEINET7096758  Lomatium utriculatum A. G. Vestal 1955-5-17 s.n. Siskiyou 6.5 miles southwest of Yreka on Route 3. NAD27, 41? deg. 40' 21ao, -122?_ 42' 53ao (converted to WGS84 decimal degrees) UTM Zone 10, 523738mE, 4613250mN. Comment
  CHSC192  Lonicera ciliosa V. Holt 1932-6-26 Siskiyou Mt. Eddy 914 Comment
  HSC81884  Lonicera ciliosa Barry Silver 1986-5-24 638 Siskiyou West Branch Campground, Klamath National Forest, 7 mi. NW of Happy Camp. 671 Comment
  RSA75604  Lonicera ciliosa Albert M. Vollmer, L. Beane 1951-6-2 s.n. Siskiyou Happy Camp, Klamath River Hwy. Comment
  HSC22211  Lonicera conjugialis J. O. Sawyer 1969-7-11 1308 Siskiyou E facing slope above S Sugar Creek. 2012 Comment
  HSC22218  Lonicera conjugialis J. O. Sawyer 1969-7-7 1082 Siskiyou NE facing slope above Big Duck Lake 2146 Comment
  HSC42234  Lonicera conjugialis J. D. Mastrogiuseppe 1974-9-2 161 Siskiyou Above Kidd Creek. 1951 Comment
  UCD137307  Lonicera conjugialis J. M. Tucker 1963-7-5 3703 Siskiyou Blake's Fork of South Russian Creek (a tributary of the Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1615 Comment
  CAS-BOT-BC240638  Lonicera hispidula Doris K. Kildale 1928-7-3 5428 Siskiyou Forks of Salmon on Salmon River Comment
  CAS-BOT-BC240848  Lonicera interrupta Alice Eastwood; John Thomas Howell 1936-6-13 2763 Siskiyou Junction of Klamath and Shasta rivers Comment
  JEPS16301  Lonicera tatarica W. T. Mooney 1903-5-21 Siskiyou Yreka Comment
  UC164092  Lotus crassifolius var. crassifolius Geo. D. Butler 1910-6-6 1452 Siskiyou Quartz Valley Comment
  SEINET10973206  Lotus grandiflorus David B. Dunn 1973-6-3 Dunn 20649 Siskiyou Vicinity of the campground on the salmon river, 8.3 mi w of cicilville. Yellow Pine forest with douglas fir. Area with mostly metamorphic rocks. Area very Rocky and gravelly. Comment
  UC1483453  Lotus oblongifolius var. oblongifolius Maralyn A. Renner 1980-6-25 1084 Siskiyou West Fork, Little South Fork Indian Creek Klamath National Forest, Preston Peak Quad. 1219 Comment
  POM27064  Lotus unifoliolatus Geo. D. Butler 1910-6-27 1610 Siskiyou Yreka Comment
  RSA406294  Lotus unifoliolatus J. P. Smith, Steve Selva 1970-7-15 4351 Siskiyou Klamath National Forest; road to Happy Camp. 732 Comment
  UC922373  Luetkea pectinata Annie M. Alexander and Louise Kellogg 1949-7-22 5838 Siskiyou on trail to Kings Castle; Marble Mountains, Paradise Lake 1996 Comment
  CAS-BOT-BC342563  Luina hypoleuca John Thomas Howell 1939-8-6 15104 Siskiyou Elk Mt., Marble Mts. Comment
  UCD109681  Lupinus A. A. Heller 1920-7-3 13407 Siskiyou at Metcalf's ranch, northeast base of Mt. Eddy in the Humid Transition zone. 1158 Comment
  RSA519115  Lupinus albicaulis var. albicaulis 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
  POM230566  Lupinus albicaulis var. shastensis L. E. Smith 1913-6-18 375 Siskiyou Road between Sisson and Castle lake. Comment
  JEPS82676  Lupinus albifrons var. collinus Wayne Roderick 1984-6-6 Siskiyou on Highway 3, about 4 mi n Etna; n of Etna Comment
  SJSU6501  Lupinus argenteus R. W. Trivelpiece 1972-6-18 128 Siskiyou 3 mi W of Klamath R c. 11 mi SW of Happy Camp 853 Comment
  HSC60157  Lupinus breweri D. L. Goforth 1979-7-7 228 Siskiyou Klamath National Forest. Condrey Mtn. 2043 Comment
  JEPS117905  Lupinus breweri var. breweri L. P. Janeway 2008-7-23 9480 Siskiyou crest of mountain 2.1 air km northeast of Condrey Mountain Siskiyou Mountains; Klamatha Ranges 2115 Comment
  CAS-BOT-BC215101  Lupinus croceus John Thomas Howell 1937-7-1 13314 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  UC796500  Lupinus croceus Roxana S. Ferris and Laura Lorraine Jun 12-16 1948 11810 Siskiyou at Mule Creek crossing of Scott Mountain Road 1524 Comment
  CAS-BOT-BC94416  Lupinus croceus R. C. Wenk 2005-7-15 229 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail, near mines around 2103 Comment
  RSA372149  Lupinus klamathensis M. L. Conrad, David B. Dunn, LeDoux 1973-6-2 6971 Siskiyou On south facing slope of Klamath River Valley, 1.5 miles west of junction of 263 and 96 on Highway 96. 732 Comment
  SEINET10485434  Lupinus klamathensis Jeffrey Huber 1971-6-9 Huber 270 Siskiyou 3 mi. N of weed, on us hwy 97; s facing 20 degree slope; roadside; in pinus Ponderosa, and p. Jeffreyi, and artemisia tridentata and purshia. 1128 Comment
  SEINET10937103  Lupinus klamathensis Charles Piper Smith 1940-6-7 Smith 15101 Siskiyou Occasional along the pacific hwy near black butte. 1219 Comment
  NY15921  Lupinus lapidicola A. A. Heller 1920-7-9 13422 Siskiyou Near the little lake above the head of Wagon creek, Mt. Eddy....in the Hudsonian zone 2590.8 Comment
  RSA237934  Lupinus latifolius subsp. viridifolius Frederick W. Oettinger 1969-7-13 1006 b Siskiyou The High lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, slope north of Upper English Lake. 1951 Comment
  UC727081  Lupinus lepidus var. sellulus A. A. Heller 1938-7-12 15259 Siskiyou along the old U.S. Highway #97 to Bray near the eastern base Deer Mountain; near eastern base of Deer Mountain 1432 Comment
  SEINET10488736  Lupinus leucophyllus James L. Reveal, Mark L. Reveal 1975-8-15 Reveal 3950 Siskiyou Siskiyou mts, klamath nat'l forest, along the dry lake lookout rd (forest Service rd 40s01), 0.3 mi. W of the jct with 47n40, nw of round mt., On a Serpentine ridge, assoc. With pine-oak woodlands, sec 27, t47n, r9w. Comment
  RSA413776  Lupinus luteolus Bonnie C. Templeton 1960-6-21 8531 Siskiyou Between California State line and the Agricultural Inspection Station Comment
  RSA105765  Lupinus lyallii var. lyallii W. Bridge Cooke 1938-8-12 11463 Siskiyou Mt. Shasta 1829 Comment
  SEINET8056947  Lupinus microcarpus G. D. Butler 1910-5-21 1373 Siskiyou Klamath hills. Comment
  POM228984  Lupinus nanus var. apricus Louis C. Wheeler 1935-5-18 3499 Siskiyou Siskiyou Mountains; Yreka Creek. 854 Comment
  SDSU4999  Lupinus obtusilobus D. F. Howe 1962-8-6 3400 Siskiyou Mt. Shasta, Shasta National Forest. 2438 Comment
  UC144513 Image available Lupinus onustus A. A. Heller 1905-6-15 8037 Siskiyou near Sisson; ; near Sisson, Siskiyou Co. Comment
  POM24888  Lupinus polyphyllus subsp. polyphyllus Geo. D. Butler 1910-7-6 1642 Siskiyou Quartz Valley Comment
  POM10707  Lupinus sellulus subsp. sellulus E. B. Copeland 1903-9-5 3861 Siskiyou Igerna Comment
  POM25903  Lupinus sellulus subsp. sellulus Geo. D. Butler 1908-6-28 367 Siskiyou Quartz Valley Comment
  SEINET10490239  Lupinus sellulus subsp. ursinus Smith 1978-7-2 Smith 9971 Siskiyou Seiad valley quadrangle. Klamath national forest. Ridge trail to the e of Cook and green pass. Montane chaparral. Sections 8 and 9. 1341 Comment
  SD46405  Lupinus sellulus var. ursinus E. K. Balls, L. W. Lenz 1956-6-18 21799 Siskiyou 7.5 miles southeast of Weed, U. S. Highway 99. 1219 Comment
  RSA296805  Lupinus subvexus var. subvexus Geo. D. Butler 1909-5-13 704 Siskiyou Klamath Hills near Yreka. Comment
  POM26284  Lupinus subvexus var. transmontanus Geo. D. Butler 1910-5-21 1373 Siskiyou Klamath hills Comment
  UC1483487  Lupinus tracyi Maralyn A. Renner 1980-6-26 1213 Siskiyou se edge Flint Valley; Klamath National Forest, Dillon Mtn. Quad., Flint Valley 1389 Comment
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Oct 13 2011
  UC2977  Luzula comosa Harley P. Chandler June, 1901 1567 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges, near Marble Mountain 1828 Comment
  CAS-BOT-BC540708  Luzula comosa var. laxa Dana York 2012-7-21 3140 Siskiyou Siskiyou Mountains: Rogue River-Siskiyou National Forests, Red Butte Wilderness, NE Slope of Red Butte 1925 Comment
  CHSC111640  Luzula comosa var. laxa Peter F. Zika 2009-8-16 24597 Siskiyou Damp meadows near north end of Juanita Lake, over basalt, partial shade, Forest Sevrice Road 46N04. 1550 Comment
  HSC67019  Luzula divaricata J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5741 Siskiyou 2.6 mi. S of Sugar Creek on Parrott Mill Rd. 1341 Comment
  UC1265318  Luzula divaricata Frederick W. Oettinger 1968-8-8 447 Siskiyou along ridge English Peak trail (High Lake Basins in the vicinity of English Peak, Salmon Mountains, western Siskiyou County, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 2164 Comment
  UCD142171  Luzula parviflora J. M. Tucker 1963-8-19 3779 Siskiyou Marble Mountain Wilderness Area, headwaters of Canyon Creek. 1950 Comment
  HSC21257  Lycium barbarum R. C. Wunner 1965-7-10 380 Siskiyou Lava Beds National Monument, Indian Well Ranger Station and around superintendent residence 1454 Comment
  UC163804  Lythrum hyssopifolia Geo. D. Butler 1908-7-16 404 Siskiyou near Yreka Comment
  POM211821  Machaeranthera canescens var. shastensis L. C. Wheeler 1934-8-24 3218 Siskiyou Trapper Creek. 1860 Comment
  RSA14489  Machaeranthera canescens var. shastensis Elmer I. Applegate 1923-8-20 3900 Siskiyou Ranger station, west end of Medicine Lake 1982 Comment
  UCR64616  Madia bolanderi L. C. Wheeler 1934-8-10 03103 Siskiyou Dead Cow Creek 1829 Comment
  RSA237493  Madia bolanderi Frederick W. Oettinger 1968-8-11 484 Siskiyou Meadow at Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 2043 Comment
  HSC67033  Madia citrigracilis J. P. Smith, Steve Selva 1970-6-15 3895 Siskiyou Oak Bottom Campground near Somes Bar. 229 Comment
  CAS-BOT-BC342671  Madia citriodora Geo. D. Butler 1910-5-17 1364 Siskiyou Yreka Comment
  CAS-BOT-BC344011  Madia elegans Louis C. Wheeler 1935-6-13 3584 Siskiyou N side Scott River, Scott Bar Mts. 792 Comment
  CAS-BOT-BC344016  Madia elegans Carl B. Wolf 1927-8-26 1052 Siskiyou On the Klamath River, 3 mi. below Gottville Comment
  UC54073  Madia gracilis H. M. Hall and E. B. Babcock Jun 1903 4055 Siskiyou near Sisson; Mount Shasta 1066 Comment
  UCR45390  Madia gracilis D. H. Norris 1970-5-23 12233 Siskiyou Along Klamath River at Ishi Pishi [Rd.] Bridge near Somes Bar 145 Comment
  CHSC2308  Maianthemum racemosum M. Yoder 1941-7-6 Siskiyou Castle Lake. 1950 Comment
  CAS-BOT-BC512760  Maianthemum racemosum subsp. amplexicaule Gilbert Muth 1966-7-8 364 Siskiyou Marble Valley, Marble Mountains 1792 Comment
  RSA377693  Maianthemum racemosum subsp. amplexicaule J. P. Smith 1973-5-5 6465 Siskiyou Along Cook and Green Pass road. Comment
  HSC18915  Maianthemum stellatum J. O. Sawyer 1968-6-18 239 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  RSA184805  Maianthemum stellatum Gilbert Muth 1966-7-8 365 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  CAS-BOT-BC347358  Malacothrix floccifera Geo. D. Butler 1910-6-4 1491 Siskiyou Shackleford Creek Comment
  RSA434910  Malva neglecta Louis C. Wheeler 1934-9-18 3278 Siskiyou Dutch Creek off Klamath River. Siskiyou Mts., Siskiyou Co. (Mt.Diablo Mer.) 701 Comment
  CHSC93528  Malvella leprosa Lowell Ahart; John Dittes 2005-6-9 12041 Siskiyou North margin of a meadow area along a small drainage, on the west side of a poor rock fence, about 200 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
  UC1738814  Melica aristata Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-5 9239 Siskiyou Porcupine Lake (a small vernal depression in an indurate lava flow) 1304 Comment
  SEINET185073 Image available Melica bulbosa C. L. Hitchcock, J. S. Martin 1939-7-9 5311 Siskiyou Between King's Castle and Black mtn. west side of Ridge. 1829 Comment
  POM114773  Melica fugax Geo D. Butler 1910-4-30 1251 Siskiyou Yreka. Comment
  UC1222353  Melica fugax Joseph P. Tracy 1951-6-16 19479 Siskiyou Takilma-Happy Camp Road Siskiyou Mts. (summit of Siskiyou Mts, about 3 mi s of Calif State Line) Comment
  JEPS63435  Mentha spicata Geo. D. Butler 1908-7-17 178 Siskiyou Butler's Ranch Yreka (Yreka) Comment
  UC163998  Mentha spicata Geo. D. Butler 1908-7-17 177 Siskiyou near Yreka; near Yreka Comment
  HSC15846  Mentzelia albicaulis R. C. Wunner 1965-6-6 86 Siskiyou California Lava Beds National Monument, Indian Well Campground 1433 Comment
  HSC15838  Mentzelia laevicaulis R. C. Wunner 1965-8-21 447 Siskiyou Lava Beds National Monument, Canby Cross area 1220 Comment
  CDA17130  Mertensia bella G. F. Hrusa 2001-6-6 15844 Siskiyou Siskiyou Mountains; Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. 1424 Comment
  CAS-BOT-BC428555  Micranthes aprica Lester Rowntree 1936-7-16 s.n. Siskiyou Trinity Mts. divide above Granite Creek. Comment
  SJSU2555  Micranthes odontoloma H. L. Buckalew 1962-7-9 Siskiyou near Poker Flat c. 4 mi W of junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts 1219 Comment
  CAS-BOT-BC429256  Micranthes oregana Geo. D. Butler 1910-6-19 1590 Siskiyou Goosenest foothills 1524 Comment
  POM52316  Microseris laciniata Geo D. Butler 1910-5-28 1420 Siskiyou Shaster Valley Comment
  POM53404  Microseris laciniata subsp. laciniata E. B. Copeland 1903-4-13 3818 Siskiyou Sisson 1067 Comment
  UC585133  Microseris nutans E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2009 Siskiyou about 1.5 mi w Mt. Shasta City (e and ne slope of spur of Rainbow Ridge); Rainbow Ridge 1188 Comment
  UC1586887  Mimulus Juha Pykala and D. H. Norris 1987-6-26 1981 Siskiyou n Tickner Hole; Marble Mountain Wilderness Area Comment
  UC26886  Mimulus breweri Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
  UCD77257  Mimulus breweri Robert E. Preston 2001-7-21 1723 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 2066 Comment
  RSA237545  Mimulus guttatus Frederick W. Oettinger 1968-8-13 479 Siskiyou Near Tom Taylor Cabin spring. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness. 2049 Comment
  JEPS94384  Mimulus jepsonii Vernon Oswald and Lowell Ahart 1997-7-28 8783 Siskiyou Forest Route 56 (42N56) 3.7 mi e of Forest Route 49 (edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave); Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave 1755 Comment
  JEPS2965  Mimulus layneae W. L. Jepson 1940-7-1 20078 Siskiyou 6 mi e McCloud; McCloud River, Fowlers Camp 975 Comment
  UC164369  Mimulus layneae Geo. D. Butler 1910-9-11 1865 Siskiyou Weed Comment
  RSA434638  Mimulus lewisii M. B. Dunkle 1945-7-12 9204 Siskiyou Summit Trail. Marble Mountains. Klamath National Forest. Comment
  UC144565  Mimulus moniliformis A. A. Heller 1905-6-5 7960 Siskiyou near Shasta Springs Comment
  HSC36464  Mimulus moschatus J. O. Sawyer 1969-8-4 1904 Siskiyou Above S Sugar Lake 2043 Comment
  HSC61893  Mimulus moschatus Ruby Van Deventer 1959-7-10 Siskiyou Poker Flat 1585 Comment
  POM61804  Mimulus pilosus E. B. Copeland 1903-7-3 3529 Siskiyou Klamathon. Comment
  HSC23583  Mimulus primuloides J. O. Sawyer 1969-8-4 1908 Siskiyou Above S Sugar Lake 2043 Comment
  UC1584289  Mimulus primuloides J. Kierstead, R. Bittman, and M. Meyers 1989-8-11 89 -73 Siskiyou Gumboot Creek Crossing Shasta-Trinity NF, Mt. Shasta RD (s side of FS Rd 26) 1767 Comment
  UCD77258  Mimulus primuloides Robert E. Preston 2001-7-20 1700 Siskiyou Klamath National Forest, Rainbow Mountain, N of Hemlock Lake. 1676 Comment
  JEPS3166  Mimulus primuloides subsp. linearifolius George D. Butler 1908-8-4 452 Siskiyou head Shackleford Creek 1676 Comment
  UCD122891  Mimulus primuloides var. linearifolius Dean William Taylor 1972-7-3 1603 Siskiyou At Cook and Green Pass. 1371 Comment
  HSC26935  Mimulus tilingii J. P. Smith, J. O. Sawyer 1971-9-18 4829 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  JEPS74429  Mimulus tilingii W. J. Ferlatte 1967-8-20 1056 Siskiyou Caribou Basin Trinity Alps, Sawtooth Ridge 2225 Comment
  HSC68551  Minuartia douglasii Maralyn A. Renner 1980-6-8 801 Siskiyou Slopes E of Hwy. 3 1341 Comment
  POM208525  Minuartia douglasii L. C. Wheeler 1934-6-4 2640 Siskiyou Ridge E Negro Gulch off Klamath River; Siskiyou Mts. 1067 Comment
  RSA576936  Minuartia nuttallii subsp. gracilis L. C. Wheeler 1934-6-29 2828 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1067 Comment
  UC1076020  Minuartia nuttallii subsp. gregaria Herbert L. Mason 1947-5-17 14766 Siskiyou 5 mi s Callahan (on Scott Mountain Road) Comment
  CAS-BOT-BC181107  Minuartia nuttallii var. gregaria Gilbert J. Muth 1969-8-10 1352 Siskiyou Red Mountain Ridge 2316 Comment
  UC195173  Mirabilis greenei Annie M. Alexander and Louise Kellogg 1911-6-13 131 Siskiyou 6 mi nw Callahan Comment
  POM92177  Mitella breweri Geo. D. Butler 1908-8-8 219 Siskiyou Marble Valley. Comment
  CHSC96407  Mitella caulescens L. P. Janeway 2006-7-1 8723 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow, north side of South Fork Salmon River. 1579 Comment
  RSA238319  Mitella pentandra Frederick W. Oettinger 1968-8-10 459 Siskiyou Old trail along rock slide between Diamond Lake and Hancock Lake. Salmon Mtns. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1974 Comment
  CAS-BOT-BC433071  Mitella trifida Harley P. Chandler 1901-6-1 1555 a Siskiyou North Coast Ranges. Near Marble Mountain 1828 Comment
  CAS-BOT-BC433076  Mitella trifida John Thomas Howell 1937-7-22 13261 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC48286  Mitella trifida J. O. Sawyer, K. Stillman 1978-7-6 3301 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  UC609332  Monardella Eleanor Burks Hart 1938-8-22 920 Siskiyou n. side Upper Wright Lake 2225 Comment
  HSC97824  Monardella odoratissima Juha Pykala, D. H. Norris 1987-7-7 2385 Siskiyou Camp Two Rd., 3 mi. from the jct. of Rd. 15 and Rd. 49 to Medicine Lake 1402 Comment
  UCD77872  Monardella odoratissima Robert E. Preston 2001-6-23 1567 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  CAS-BOT-BC222032  Monardella odoratissima subsp. glauca A. A. Heller 1915-7-16 12105 Siskiyou North side of Mt. Eddy 1371 Comment
  CHSC766  Monardella odoratissima subsp. glauca M. Yoder 1941-7-21 Siskiyou Castle Lake. 1981 Comment
  UC456092  Monardella odoratissima subsp. glauca I. J. Condit 1911-7-5 Siskiyou Mt. Bradley near Shasta Retreat Comment
  JEPS63424  Monardella odoratissima subsp. pallida W. L. Jepson 1894-8-4 59 f Siskiyou Mt. Shasta Comment
  JEPS73668  Monardella siskiyouensis W. L. Jepson 1940-6-22 19974 Siskiyou near Hornbrook; Klamath River 670 Comment
  UC637109  Monardella siskiyouensis Annetta Carter 1934-8-12 695 Siskiyou near mouth Walker Creek (n side of river, n side of valley); Klamath River, Seiad Valley 426 Comment
  CAS-BOT-BC453476  Monotropa hypopitys Elmer I. Applegate 1923-8-18 3855 Siskiyou West slope of Redshale Mountain, east of Medicine Lake 2133 Comment
  HSC33979  Montia linearis J. P. Smith 1974-5-25 7472 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  HSC138  Montia parvifolia William J. Ferlatte 1966-8-3 274 Siskiyou Josephine Lake basin 1677 Comment
  UC454265  Montia parvifolia I. J. Condit 1911-7-13 Siskiyou Shasta Retreat, Cal. Comment
  UCD101765  Montia parvifolia J. P. Smith; Steve Selva 1970-6-16 4056 Siskiyou 8 milse west of Etna on road to Sawyers Bar. 1371 Comment
  JEPS45831  Muhlenbergia jonesii Duncan Dunning 1921-7-16 Siskiyou nw Hambone (se Siskiyou Co.); Toad Mountain Comment
  POM228958  Myriophyllum sibiricum Louis C. Wheeler 1934-10-21 3336 Siskiyou Shasta Valley 4 miles east of Grenada. 868 Comment
  HSC65668  Nama lobbii Donald W. Miles 1979-7-28 28 Siskiyou Jct. of logging spur rd. and Harris Springs Rd., 12 mi. NE of Bartle 1439 Comment
  SEINET515857  Nama lobbii Vernon H. Oswald 1998-9-8 9610 Siskiyou USFS 3 ca. 0.8 mi west of Julia Glover Flat, ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir, ca. 2 air mi northwest of Indian Spring Mtn. 1128 Comment
  UC1045266  Nama lobbii W. Bridge Cooke 1940-6-6 15045 Siskiyou in open places along the Castle Lake Road (in the brush fields); along Castle Lake Road Comment
  UC455933  Nama lobbii I. J. Condit 1911-7-28 Siskiyou Shasta Retreat Castle Lake to Mt. Bradley (Castle Lake to Mt. Bradley) 1981 Comment
  POM230340  Nama lobbii L. S. Rose 1937-7-25 37597 Siskiyou Mt. Shasta City. 1159 Comment
  HSC96412  Narthecium californicum Gordon Leppig, J. Kalt 1996-7-9 366 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  UC1409218  Narthecium californicum Frederick W. Oettinger 1969-7-31 1112 Siskiyou boggy meadow w. English Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1935 Comment
  RSA237955  Narthecium californicum Frederick W. Oettinger 1968-9-8 791 Siskiyou Scrub northeast of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UC13723  Narthecium californicum W. C. Blasdale July 1899 1074 Siskiyou Siskiyou Mts. California, Siskiyou Mts. Comment
  HSC61862  Navarretia capillaris Ruby Van Deventer 1961-7-13 Siskiyou Poker Flat 1585 Comment
  JEPS19732  Navarretia linearifolia subsp. linearifolia Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5949 Siskiyou on drier slopes just above meadows at sw end Gumboot Lake (headwaters South Fork Sacramento River, close to Trinity County line); headwaters South Fork Sacramento River, sw end Gumboot Lake 1859 Comment
  POM216191  Nemophila heterophylla Louis C. Wheeler 1935-6-1 3538 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Yreka Creek. 854 Comment
  HSC22175  Nemophila parviflora var. austiniae J. O. Sawyer 1969-7-16 1150 Siskiyou W of Waterdog Lake 2073 Comment
  UC24282  Nemophila parviflora var. austiniae Harley P. Chandler June, 1901 1649 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2286 Comment
  UC726906  Nemophila parviflora var. austiniae A. A. Heller 1919-6-20 13257 Siskiyou Metcalf's Comment
  HSC93079  Nemophila pedunculata Jennifer Whipple 1976-7-2 1278 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC20458  Nicotiana attenuata D. M. Thomson 1965-8-4 163 Siskiyou Lava Beds National Monument, Black Crater trail, close to main road Comment
  POM95163  Noccaea Geo. D. Butler 1910-6-4 1503 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC60581  Noccaea fendleri subsp. glauca Geo. D. Butler 1910-6-4 1503 Siskiyou Shackleford Creek. Comment
  HSC75095  Noccaea fendleri subsp. glauca J. P. Smith, Thomas W. Nelson 1979-6-15 10119 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  HSC22484  Nuphar polysepala J. O. Sawyer 1969-8-1 1594 Siskiyou Above Horseshoe Lake 1921 Comment
  HSC29349  Nuphar polysepala Frederick W. Oettinger, R. F. Thorne 1969-8-7 1273 Siskiyou Marble Mtns. Wilderness Area, E side of English Lake 1753 Comment
  SEINET3150351  Oenothera hookeri G. D. Butler 1910-7-30 1799 Siskiyou Yneka Creek Comment
  CDA7579  Onopordum tauricum T. C. Fuller 1959-12-1 3324 Siskiyou Fred Voelker ranch, west edge of Meiss Lake Basin, just south of Sam s Neck, ca. 15 miles southwest of Dorris. 0 Comment
  HSC96301  Oreostemma alpigenum Gordon Leppig 1998-8-14 1013 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  CAS-BOT-BC355594  Oreostemma alpigenum var. andersonii A. A. Heller 1915-8-26 12225 Siskiyou Heather Meadow near the head of Wagon Creek Canon [Canyon], Mt. Eddy 2590 Comment
  HSC68170  Oreostemma alpigenum var. andersonii J. P. Smith, Steve Selva 1970-7-27 4504 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  UC1608317  Oreostemma alpigenum var. andersonii J. Kierstead 1990-7-18 90 -103 Siskiyou Gumboot Creek 100 yd s Forest Service Rd 40N26 (s side of mt.); Shasta-Trinity National Forests, Mt. Shasta Ranger Dist., Mt 1676 Comment
  CAS-BOT-BC500187  Orobanche fasciculata W. R. Dudley 1893-6-1 s.n. Siskiyou Castle Crag Trail, near Mt. Shasta Comment
  RSA0076584  Orobanche fasciculata Frederick W. Oettinger 1968-8-16 530 Siskiyou S-facing slope of Little Medicine Mountain near the open summit, due north of Hancock Lake. Comment
  HSC91959  Orobanche uniflora Jennifer Whipple 1976-6-23 1111 Siskiyou Mt. Eddy: E and S-facing slopes draining into the N Fork of the Sacramento River 2256 Comment
  CAS-BOT-BC500329  Orobanche uniflora subsp. occidentalis Gilbert J. Muth 1966-7-18 417 Siskiyou Marble Mountains: Marble Gap Trail, above Marble Valley 1828 Comment
  HSC61865  Orogenia fusiformis Ruby Van Deventer Siskiyou Poker Flat 1585 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
  JEPS74483  Orthocarpus cuspidatus subsp. copelandii W. J. Ferlatte 1966-8-2 238 Siskiyou Big Flat; Trinity Alps, Big Flat 1524 Comment
  HSC29372  Orthocarpus cuspidatus subsp. copelandii Frederick W. Oettinger 1967-8-12 251 Siskiyou Marble Mtn. Wilderness Area, E side of trail between Tom Taylor Cabin and meadow NW of English Peak Lookout 2104 Comment
  RSA237571  Orthocarpus cuspidatus subsp. copelandii Frederick W. Oettinger 1967-8-12 251 -b Siskiyou Between Tom Taylor Cabin meadows and the large meadow northwest of English Peak Lookout. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  UC1475691  Orthocarpus cuspidatus subsp. cuspidatus Overton, Butler 1979-8-8 13049 Siskiyou close to the town Klamath River (near Windy Camp); Condrey Mt. Quad. 2043 Comment
  UC1222794  Orthocarpus imbricatus Joseph P. Tracy 1950-7-20 19207 Siskiyou about 4 mi se Elk Valley (Del Norte Co.) (Flint Valley); , se of Elk Valley 1432 Comment
  RSA237407  Osmorhiza berteroi Frederick W. Oettinger 1969-7-10 952 Siskiyou Due west of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1761 Comment
  UC1523253  Packera streptanthifolia W. J. Ferlatte 1985-6-7 2105 Siskiyou 2.2. mi n Louie Road (Interstate 5, e side of n-bound lanes) 822 Comment
  HSC103015  Panicum acuminatum var. fasciculatum J. P. Smith 2014-6-6 13872 Siskiyou Along State Route 96 at the Portuguese Creek Access to the Klamath River 416 Comment
  HSC10501  Panicum oligosanthes var. scribnerianum C. B. Wolf 1927-8-26 1099 Siskiyou Klamath River, 14 mi. above Happy Camp Comment
  UC73108  Parnassia californica Milo S. Baker Aug. 1900 Siskiyou Mount Shasta, on Ash Creek Ash Creek; Mount Shasta, Ash Creek 2438 Comment
  UC1408936  Parnassia fimbriata Frederick W. Oettinger 1968-9-4 699 Siskiyou High Lake Basins in vicinity of English Peak (Salmon Mountains, Marble Mountain Wilderness Area, Abbott's Lake); Salmon Mountains, Marble Mountain Wilderness Area, Abbott's 1722 Comment
  CAS-BOT-BC175615  Parnassia palustris Doris K. Kildale 1928-8-19 6518 Siskiyou English head, head of North Fork of Salmon River Comment
  HSC96307  Parnassia palustris Gordon Leppig 1998-8-14 1036 Siskiyou Klamath National Forest, Russian Wilderness, in cirque W of Little Duck Lake. 2200 Comment
  CAS-BOT-BC202858  Paxistima myrsinites Doris K. Kildale 1929-7-20 8639 Siskiyou Trail up South Fork Indian Creek to Elk Lick Comment
  HSC4835  Paxistima myrsinites J. O. Sawyer 1968-6-18 169 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC69746  Paxistima myrsinites Maralyn A. Renner 1980-8-6 2246 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  POM87427  Paxistima myrsinites Geo. D. Butler 1909-4-11 656 Siskiyou Shasta Retreat. Comment
  UC1190160  Paxistima myrsinites Ira L. Wiggins 1955-7-24 13487 Siskiyou ridge between upper reaches of China Creek and Blind Horse Creek 1463 Comment
  RSA758226  Paxistima myrsinites R. F. Thorne 1969-8-2 63324 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  CHSC95133  Pectiantia pentandra L. P. Janeway 2006-7-2 8746 Siskiyou Klamath Ranges. Salmon Mountains; un-named creek at the sharp bend in the Music Creek Trailhead Road, 0.6 km south of Music Creek. North-facing slope above the creek. 1762 Comment
  UC1409425  Pedicularis bracteosa var. flavida Frederick W. Oettinger 1968-8-3 378 Siskiyou High Lake Basins in vicinity of English Peak (in base camp meadow); Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  RSA238824  Pedicularis flavida Frederick W. Oettinger 1968-8-3 378 Siskiyou Base camp near Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  HSC104276  Pedicularis racemosa Samantha E. Andres 2016-7-3 12 Siskiyou Marble Mountains; meadow above Little Elk Lake 1829 Comment
  HSC4830  Pedicularis racemosa J. O. Sawyer 1968-9-10 677 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  HSC58888  Pedicularis racemosa Marvin Butler 1971-8-11 279 Siskiyou Near El Capitan Lake, close to town of Cave Junction 1646 Comment
  JEPS84022  Pedicularis racemosa L. R. Heckard with J. Hickman et al. 1986-7-17 6535 Siskiyou se of Condry Mountain (road end area and camp overlooking s end of Alex Hole); Alex Hole 1980 Comment
  RSA749130  Pedicularis racemosa James R. Shevock, David Toren 2000-9-1 20100 Siskiyou Applegate River Drainage. Along trail 959 toward Bear Gulch about 100 yards N of Cook and Green Pass off of road 1055. 1433 Comment
  HSC12277  Pedicularis racemosa R. W. Spjut 1970-7-17 448 Siskiyou 16 mi. W of Mt. Shasta at Gumboot Lake, NW corner of lake 1829 Comment
  HSC44388  Penstemon anguineus Maralyn O'Meara 1973-6-25 238 Siskiyou Music Creek 1463 Comment
  HSC62475  Penstemon anguineus Ruby Van Deventer 1939-7-18 Siskiyou Twin Valley Comment
  POM14668  Penstemon davidsonii subsp. davidsonii E. B. Copeland 1903-8-16 3871 Siskiyou Mount Shasta 3201 Comment
  UC27476  Penstemon davidsonii var. davidsonii Milo S. Baker 1893-8-9 Siskiyou Medicine Lake Comment
  HSC662  Penstemon deustus William J. Ferlatte 1967-7-9 678 Siskiyou Kidd Creek Trail 1768 Comment
  RSA12566  Penstemon deustus subsp. deustus Carl B. Wolf 1934-7-6 6020 Siskiyou SW side of Mt. Shasta about 1/2 mile S of trail to Horse Camp. 1524 Comment
  RSA1907  Penstemon deustus subsp. deustus Carl B. Wolf 1930-10-23 1758 Siskiyou Along the Klamath River, 2 mi. below Browns Resort. 305 Comment
  UC565603  Penstemon deustus var. pedicellatus H. L. Mason 1931-5-9 5862 Siskiyou Shasta Creek Comment
  JEPS45938  Penstemon gracilentus Rimo Bacigalupi and L. R. Heckard 1966-6-20 9183 Siskiyou along upper part Bolam Logging Road (n side of Mt. Shasta); , along Bolam logging Road 1676 Comment
  UC60948  Penstemon gracilentus Geo. B. Grant September 1902 5132 Siskiyou Horse Camp , Horse Camp (Mount Shasta) 2438 Comment
  SEINET3160391  Penstemon gracilentus G. B. Grant 933 Siskiyou Mt. Shasta, S California 2438 Comment
  HSC20973  Penstemon humilis subsp. humilis R. C. Wunner 1965-6-10 155 Siskiyou Lava Beds National Monument, Caldwell Butte above Caldwell Minor 1463 Comment
  HSC60085  Penstemon laetus subsp. sagittatus M. A. Baker 1978-5-20 573 Siskiyou 3 km N of Somes Bar Comment
  NY1012498  Penstemon laetus subsp. sagittatus M. D. Strickler 1994-6-28 94-/ 30 -22 Siskiyou Shasta National Forest. 6.4 miles up the Everitt Memorial Highway from Mount Shasta, California Comment
  JEPS44098  Penstemon laetus var. sagittatus W. B. and V. G. Cooke 1965-7-17 35178 Siskiyou Bolam Road , Bolam Road (Mt. Shasta) 1524 Comment
  RSA25613  Penstemon laetus var. sagittatus Carl B. Wolf 1941-7-26 11078 Siskiyou SW end Little Shasta Valley, 12 mi NE of Weed on US Hwy 97 at jct with rd to Montague. 915 Comment
  UC1238948  Penstemon laetus var. sagittatus Freed W. Hoffman 1950-7-13 3491 Siskiyou 1.1 mi ne Baldy Lookout (western Siskiyou County); North Coast Ranges, ne of Baldy Lookout Comment
  NY604554  Penstemon laetus var. sagittatus K. A. Vincent 1987-6-28 4443 Siskiyou Cascade Range, Mount Shasta; on lava flow between Mount Shasta and Whaleback, along Andesite - Military Pass Road, ca. 1 mile southeast of jct. US 97, ca. 14.4 miles northeast of jct. US 97 & I-5 Bus. Loop in Weed. 1432.6 Comment
  RSA420420  Penstemon laetus var. sagittatus Chadwick, Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  RSA43895  Penstemon laetus var. sagittatus H. M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road. 1220 Comment
  RSA68889  Penstemon newberryi subsp. newberryi A. E. Culbertson 1943-7-10 67 Siskiyou Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall, 14 miles SW of Mt Shasta on N side of a 6600' eastern spur of Trinity Mts. 2000' above Sacramento R within 10 air miles of its headwaters to the west. Comment
  CAS-BOT-BC239343  Penstemon newberryi var. berryi Wm. Bridge Cooke 1938-6-17 11010 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  JEPS25168  Penstemon newberryi var. newberryi G. Thomas Robbins 1959-6-10 4040 Siskiyou about one mi n of highway summit on U.S. 99 between Mt. Shasta and Weed (on w side of Black Butte); w side of Black Butte, btw Mt. Shasta (town) and Weed 1188 Comment
  UC696739  Penstemon newberryi var. newberryi David D. Keck 1927-8-16 304 Siskiyou 4 mi E of Mt. Shasta City (Sisson) (W flank of Mt. Shasta); Sierra Nevada 1609 Comment
  SEINET4677812  Penstemon parvulus M. S. Taylor 1980-7-8 3114 Siskiyou Dunsmuir quad; Shasta-Trinity National Forest; on ridge S of Castle Lake, above Hearts Lake.; 0 2017 Comment
  NY629986  Penstemon parvulus H. E. Brown 1897-6-15 471 Siskiyou Collected north side of Mt. Shasta 1524.0 Comment
  NY650119  Penstemon roezlii F. W. Pennell 1940-7-20 26206 Siskiyou Route 89, west of Dead Horse Summit, east of Bartle 1158.2 Comment
  UC1034022  Penstemon roezlii Francis W. Pennell 1940-7-20 26206 Siskiyou Route 89 e Bartle (w of Dead Horse Summit); , e of Bartle 1158 Comment
  UC163815  Penstemon roezlii Geo. D. Butler 1901-6-23 1601 Siskiyou Yreka Creek Comment
  POM42982  Penstemon roezlii Geo. D. Butler 1910-6-19 1579 Siskiyou Goosenest foothills. 1524 Comment
  RSA114968  Penstemon speciosus E. K. Balls, Lee W. Lenz 1956-6-18 21798 Siskiyou 7.5 mi SE of Weed, US Hwy 99. 1220 Comment
  SEINET5329863 Image available Penstemon speciosus G. Butler 1910-5-18 1360 Siskiyou near Yreka Comment
  UC727350  Penstemon speciosus Elmer I. Applegate 1931-6-24 6805 Siskiyou between Bear Paw Cave, Modoc Lava Beds and Medicine Lake; btw Bear Paw Cave, Modoc Lava Beds and Medicine Lake Comment
  UC1351727  Perideridia parishii subsp. latifolia W. J. Ferlatte 1966-8-16 371 Siskiyou between campground and S. Fork of Salmon R.; Trinity Alps, Big Flat 1524 Comment
  CAS-BOT-BC423350  Peritoma platycarpa A. A. Heller 1925-7-25 13905 Siskiyou Shasta Valley near Gazelle Comment
  CHSC106098  Persicaria hydropiperoides Lowell Ahart; John Dittes 2010-7-30 16933 Siskiyou Along the south edge of the Shasta River, about 100 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  CAS-BOT-BC330281  Petasites frigidus var. palmatus Dorothy Parker 1961-6-4 883 Siskiyou Along the Callahan-Cecilville Road 1219 Comment
  UCD77221  Phacelia cookei Robert E. Preston 1997-6-1 1038 Siskiyou in sandy flats 100 ft n of Hwy 97. 1402 Comment
  UC923089  Phacelia corymbosa Freed W. Hoffman 1950-7-11 3314 Siskiyou Elk Valley Rd 5.7 mi from Klamath Highway (w Siskiyou Co.); North Coast Ranges Comment
  JEPS2787 Image available Phacelia frigida W. L. Jepson 1894-8-4 21042 Siskiyou Mt. Shasta Comment
  HSC130440  Phacelia greenei Thomas W. Nelson, Susan Erwin 2004-6-3 9221 Siskiyou Forest Service Rd. 40N08 at junction with FS Rd.44N44 1696 Comment
  RSA120921  Phacelia greenei Milo S. Baker s.n. Siskiyou Along road to summit Scott Mountain 1646 Comment
  JEPS2136  Phacelia hastata W. L. Jepson 1940-6-23 20012 Siskiyou n Mt. Shasta; Andesite sta. 975 Comment
  JEPS35235  Phacelia hastata L. R. Heckard and R. Bacigalupi, J. Weiler 1961-7-2 1254 Siskiyou about 7 1/2 mi ne of Weed (along U.S. Highway 97); U.S. Highway 97 1127 Comment
  UC54516  Phacelia hastata H. M. Hall and E. B. Babcock June, 1903 4111 Siskiyou Ash Creek Sierra Nevada Mountains, Mount Shasta 1524 Comment
  UC642520  Phacelia hastata subsp. compacta W. B. Cooke 1940-8-22 15477 Siskiyou Mud Creek Canyon Mount Shasta (along w rim) Comment
  HSC13653  Phacelia hastata var. hastata R. C. Wunner 1965-7-9 371 Siskiyou Lava Beds National Monument Upper Ice Cave 1555 Comment
  JEPS107411  Phacelia heterophylla subsp. virgata Lowell Ahart, John Dittes 2005-6-9 12026 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
  UC535111  Phacelia heterophylla subsp. virgata Mrs. H. P. Bracelin 1931-6-20 430 Siskiyou about 2 mi nw Mt. Shasta City 1051 Comment
  UC61067  Phacelia heterophylla subsp. virgata W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
  UC909961  Phacelia heterophylla subsp. virgata A. A. Heller 1916-6-23 12422 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  CDA40412  Phacelia heterophylla subsp. virgata Vernon H. Oswald & Lowell Ahart 1998-6-11 9181 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  UC511922  Phacelia linearis Frank W. Peirson 1923-7-19 3818 Siskiyou 20 mi n Bray Comment
  JEPS55975  Phacelia mutabilis John Thomas Howell 1939-8-9 15233 Siskiyou ridge s Marble Valley; Marble Mts. Comment
  JEPS74473  Phacelia mutabilis W. J. Ferlatte 1966-6-23 146 Siskiyou Big Flat Trinity Alps (wooded area near public camp) 1524 Comment
  UCD18940  Phacelia mutabilis A. H. Murphy 1953-7-28 KNF 6 Siskiyou Klamath National Forest, Long Gulch Camp. 1889 Comment
  JEPS1095  Phacelia pringlei John G. Lemmon September, 1879 Siskiyou near Shasta Comment
  UC1473424  Phacelia pringlei Gilbert Jerome Muth 1978-8-2 7340 Siskiyou near Cabin Meadow Creek (close to town of Callahan); China Mt. Quadrangle 1853 Comment
  JEPS1092  Phacelia procera W. L. Jepson 1937-7-30 18562 Siskiyou Poker Flat western Siskiyou Mts. Comment
  UC1426019  Phacelia procera Frederick W. Oettinger 1968-8-23 613 Siskiyou base of cliff due e Diamond Lake; Salmon Mountains, Marble Mountain Wilderness Area 2057 Comment
  UC2026473  Phacelia procera Louis C. Wheeler 1958-8-21 7420 Siskiyou Siskiyou Mountains. Head of Hell's Canyon. Comment
  HSC13679  Phacelia ramosissima R. C. Wunner 1965-6-15 181 Siskiyou Lava Beds National Monument, E side of Caldwell Butte 1494 Comment
  CAS-BOT-BC265817  Phalaris arundinacea Calvin McMillan; Malcom A. Nobs 1949-6-17 802 Siskiyou Grass Lake, Highway 97 Comment
  JEPS93894  Phalaris arundinacea Vernon H. Oswald and Lowell Ahart 1998-7-21 9327 Siskiyou Highway 97 between Weed and Macdoel (at w end of Grass Lake); Grass Lake, Highway 97 1524 Comment
  CAS-BOT-BC77428  Philadelphus lewisii J. H. Thomas 1949-6-16 954 Siskiyou 1/4 miles north of Beaver Creek Public Camp, along Beaver Creek; 5 miles north of junction of Beaver Creek Comment
  CAS-BOT-BC77436  Philadelphus lewisii John Thomas Howell 1937-7-26 13560 Siskiyou Between Big Flat and Caribou Gulch Comment
  RSA759840  Philadelphus lewisii Robert F. Thorne 1969-8-2 63398 Siskiyou Klamath Nat'l Forest, Salmon Mountains: Marble Mtn Wilderness, trail to English Peak, along N fork of Salmon River at Cedars 1159 Comment
  UC114914  Philadelphus lewisii Brandegee July 1887 Siskiyou Ager Comment
  UCD161470  Philadelphus lewisii H. P. Olmo 1931-6-8 s.n. Siskiyou Somes Bar; junction of Salmon and Klamath Rivers. Comment
  HSC76676  Phleum alpinum K. T. Stillman 1976-7-23 302 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  HSC77101  Phleum alpinum K. T. Stillman 1976-7-30 339 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  UC618878  Phleum alpinum W. Bridge Cooke 1938-9-17 11688 Siskiyou Mount Shasta; Horse Camp Comment
  UCD37075  Phleum alpinum Beecher Crampton 1956-8-21 3806 Siskiyou Siskiyou County, 15 miles southwest of city of Mount Shasta, slope above Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  UC618877  Phleum pratense W. Bridge Cooke 1938-8-19 11528 Siskiyou Lower Bear Spring Mount Shasta (Mount Shasta); , Lower Bear Spring 1524 Comment
  UCSB22299  Phlox adsurgens Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass; north of Seiad Valley 1341 Comment
  SEINET3145501  Phlox diffusa G. D. Butler 1910-5-10 1320 Siskiyou Goosenest foothills 1676 Comment
  UC1190247  Phlox diffusa Ira L. Wiggins 1955-7-27 13541 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  SEINET12279216  Phlox diffusa H. P. Chandler 1901-1 1591 Siskiyou Ridges and meadows near Marble Mountain 2134 Comment
  JEPS71085  Phlox gracilis W. L. Jepson Jul 1894 15054 Siskiyou near Black Butte (Muir Peak) (n of Sisson) Comment
  UC163991  Phlox gracilis Geo. D. Butler 1910-3-28 1148 Siskiyou Yreka Comment
  SEINET7042841  Phlox hirsuta A. G. Jones 1955-1 Siskiyou Comment
  RSA468395  Phlox hoodii subsp. canescens Christopher Davidson 1975-6-5 2682 Siskiyou 0.8 mi N of Scott Mtn Summit on Hwy 3. 1585 Comment
  UC1037413  Phlox hoodii subsp. canescens Douglas Barbe 1955-8-5 363 Siskiyou nw of Caribou Mountain (at the summit of the trail from Big Flat to Caribou Lake); Klamath Mountains, Salmon Mountains 2407 Comment
  RSA120880  Phlox hoodii subsp. canescens G. D. Barbe 1955-8-5 363 Siskiyou Growing at the summit of the trail from Big Flat to Caribou Lake, a spot northwest of Caribou Mtn. Salmon Mountains. 2409 Comment
  RSA123785  Phlox hoodii subsp. canescens G. D. Barbe 1955-7-6 117 Siskiyou Dry areas above NE shore of Taylor lake, Salmon Mtns. 1951 Comment
  HSC44615  Phlox speciosa subsp. occidentalis Laura Witherspoon 1977-5-20 Siskiyou Along rd. to Stewart Springs 1067 Comment
  UC163854  Phlox speciosa subsp. occidentalis Geo. D. Butler 1909-4-13 650 Siskiyou near Yreka Comment
  POM253610  Phlox speciosa subsp. occidentalis C. L. Hitchcock, J. S. Martin 1939-7-7 5272 Siskiyou Sanger Peak Trail. 1 mile S of Camp Chicago. Siskiyou Mtns ca 12 miles S of Takilma, Orgeon. 1433 Comment
  RSA52436  Phoenicaulis cheiranthoides Dorothy Parker 1948-5-11 s.n. Siskiyou East fork of Scott River, Plowman s Valley. 1159 Comment
  CAS-BOT-BC135022  Phoradendron bolleanum L. E. Smith 1914-3-19 s.n. Siskiyou Yerka Comment
  CAS-BOT-BC56506  Phyllodoce empetriformis W. B. C. 1938-7-21 11291 Siskiyou Panther Creek Meadow 2286 Comment
  HSC4826  Phyllodoce empetriformis J. O. Sawyer 1968-7-22 536 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC65352  Phyllodoce empetriformis Rich White 1978-7-3 211 Siskiyou Saddle in Spur Ridge between Dillon Trail and 5759 1662 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
  UCD117723  Phyllodoce empetriformis Dean William Taylor 1972-7-3 1614 Siskiyou Near Little Duck Lake. 1981 Comment
  SEINET7270871  Phyllodoce empetriformis H. A. Jensen 1933-9-5 s.n. Siskiyou Slope of Shastina 2591 Comment
  CAS-BOT-BC60764  Physaria occidentalis K. T. Stillman 1976-7-7 172 Siskiyou Marble Mountain Wilderness Area. Comment
  HSC44493  Physaria occidentalis K. Irwin 1977-5-21 377 Siskiyou Hayden, 1 mi. W of Scott Mtn., E of Rd. 40N08 Comment
  HSC91035  Physaria occidentalis subsp. occidentalis Jennifer Whipple 1976-6-11 962 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  UC70378  Physocarpus capitatus Milo S. Baker July 1899 Siskiyou e slope Mt Shasta (on Ash Creek) Comment
  RSA31097  Picea breweriana L. E. Berriman 1940-9-17 s.n. Siskiyou Sugar Creek, a tributary of the Scott River, NW of Callahan. Mount Diablo Meridian. 1433 Comment
  RSA6531  Picea breweriana Elmer I. Applegate 1930-8-9 6600 Siskiyou Fruit Mountain, Siskiyou Mountains, Headwaters of Applegate River. Comment
  JEPS35940  Picea breweriana John Allen 1964-9-1 Siskiyou ca due w Orleans (on ridge between Dillon Creek and Elk Valley, road starts up from Orleans and finally one takes the Dillon Mtn. road) 1219 Comment
  HSC43428  Picea engelmannii Maralyn O'Meara 1974-5-25 388 Siskiyou Along rd. to Duck Lakes 1402 Comment
  UCD134308  Picea engelmannii J. M. Tucker 1963-7-5 3707 Siskiyou Lower Blake's Fork of South Russian Creek (a tributary to Salmon River), ca. 7 miles (airline) east of Siskiyou County. 1524 Comment
  RSA31098  Picea engelmannii L. E. Berriman 1940-8-30 s.n. Siskiyou Sugar Creek, a tributary of the Scott River; Mount Diablo Meridian 1433 Comment
  CAS-BOT-BC73386  Pinus albicaulis W. R. Dudley 1905-8-4 s.n. Siskiyou Slope, Mt. Eddy. Comment
  CAS-BOT-BC73397  Pinus albicaulis Peter H. Raven 1956-9-4 10416 Siskiyou On the summit of Mt. Eddy. 2758 Comment
  HSC1552  Pinus albicaulis J. F. Knezevich 1967-6-3 182 Siskiyou Mt. Shasta NE of the ski lodge, 300 ft. higher than the lodge 2500 Comment
  JEPS82671  Pinus albicaulis Steve Edwards 1984-6-7 Siskiyou South China Mountain 2438 Comment
  UC141  Pinus albicaulis W. H. Brewer 1862-9-13 1400 Siskiyou Mount Shasta Comment
  CAS-BOT-BC78320  Pinus attenuata Marion Ownbey; Fred G. Meyer 1940-7-7 2219 Siskiyou Near summit of Cayenne Ridge, Marble Mountain Comment
  POM120194  Pinus attenuata Geo D. Butler 1908-8-26 518 Siskiyou Russian Creek 1220 Comment
  UCD70114  Pinus attenuata D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-McCloud close to Snowmans Hill. 1650 Comment
  CAS-BOT-BC78406  Pinus balfouriana W. R. Dudley 1899-8-15 s.n. Siskiyou summit of Black Butte Comment
  HSC4807  Pinus balfouriana J. O. Sawyer 1968-7-9 406 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  HSC26224  Pinus jeffreyi J. P. Smith, J. O. Sawyer 1972-5-27 5359 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  POM126999  Pinus jeffreyi A. A. Heller 1915-8-26 12252 Siskiyou Metcalf s Ranch at the foot of Mt. Eddy. 1189 Comment
  CAS-BOT-BC73094  Pinus lambertiana W. R. Dudley 1899-8-9 s.n. Siskiyou S. slope Black Butte, W. of Mt. Shasta. Comment
  CAS-BOT-BC73143  Pinus lambertiana W. R. Dudley 1899-8-9 s.n. Siskiyou South slope of Black Butte, W. of Mt. Shasta. Comment
  RSA237211  Pinus lambertiana Frederick W. Oettinger 1968-9-3 686 Siskiyou Near high ridge NW of Horse Range Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  HSC31520  Pinus lambertiana Steve Selva, Roger Jensen 1974-8-26 58 Siskiyou Along Rd. 8 to Sugar Creek trail, 4 mi. from Hwy. 3 Comment
  CAS-BOT-BC78953  Pinus monticola Gilbert Muth 1966-8-6 193 Siskiyou Marble Valley, Marble Mts. 2072 Comment
  HSC68460  Pinus monticola Maralyn A. Renner 1980-7-4 1454 Siskiyou Clear Creek Trail, N of Trout Camp. 1037 Comment
  HSC69222  Pinus monticola Maralyn A. Renner 1980-8-31 2622 Siskiyou Twin Valley. 1494 Comment
  UC1409220  Pinus monticola Frederick W. Oettinger 1968-9-2 671 Siskiyou open woods e of inlet to Upper English Lake (w Siskiyou County, the high lake basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  CAS-BOT-BC72870  Pinus ponderosa Doris K. Kildale 1928-7-3 5435 Siskiyou Forks of Salmon Comment
  CAS-BOT-BC72871  Pinus ponderosa L. B. Kildale 1930-6-1 9775 Siskiyou Black Bear Trail to Sawyers Bar Comment
  RSA184715  Pityopus californicus Gilbert Muth 1966-7-29 465 Siskiyou Marble Valley, by waterfall, Marble Mountains. 1796 Comment
  POM72946  Plagiobothrys bracteatus Geo. D. Butler 1910-5-29 1424 Siskiyou Near Yreka. Comment
  RSA610184  Plagiobothrys greenei L. C. Wheeler 1935-6-27 3613 Siskiyou Greenview, Scott Valley. 884 Comment
  RSA610638  Plagiobothrys greenei L. C. Wheeler 1935-5-18 3496 Siskiyou Siskiyou Mountains; Yreka Creek (Mt. Diablo Mer.) 854 Comment
  RSA12578  Plagiobothrys hispidus C. B. Wolf 1934-7-6 6008 Siskiyou 5.4 miles from Mt. Shasta City on Wagon Camp Rd, SW slope of Mt. Shasta 1220 Comment
  UC903389  Plagiobothrys nothofulvus Dorothy Parker 1948-5-3 Siskiyou 4 mi s Yreka (along Highway 99) 878 Comment
  HSC33985  Plagiobothrys tenellus J. P. Smith 1974-5-25 7474 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  JEPS6469  Plantago eriopoda Rimo Bacigalupi and G. T. Robbins 1954-8-13 4802 Siskiyou 1.9 mi s Gazelle; Shasta Valley 853 Comment
  HSC61844  Platanthera dilatata var. leucostachys Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  HSC44573  Platanthera dilatata var. leucostachys Laura Witherspoon 1977-7-30 Siskiyou Flint Valley 1341 Comment
  JEPS64398  Platanthera leucostachys Willis L. Jepson 1894-8-9 21276 a Siskiyou Shasta Springs Region of Upper Sacramento Comment
  RSA211309  Platanthera leucostachys William J. Ferlatte 1966-6-23 141 Siskiyou At Big Flat Hillside seep between campground and S. Fork of the Salmon River 1524 Comment
  RSA382885  Platanthera leucostachys Louis C. Wheeler 1934-6-18 2725 Siskiyou Cottonwood Creek, Siskiyou Mts. Mt. Diablo Mer. 1311 Comment
  HSC69099  Platanthera sparsiflora Maralyn A. Renner 1980-8-4 2221 Siskiyou Flint Valley 1390 Comment
  UC1045261  Platanthera sparsiflora W. Bridge Cooke 1940-7-7 15277 Siskiyou Wagon Camp Mount Shasta 1737 Comment
  HSC29094  Platanthera sparsiflora Frederick W. Oettinger 1969-7-29 1101 Siskiyou Marble Mountain Wilderness Area, High Lakes Basins, outlet of Uncle's Lake 1829 Comment
  HSC32019  Platanthera sparsiflora A. Montalvo, J. D. Ackerman 1974-7-2 348 Siskiyou Trailhead to Morgan Meadows, E slope of Mt. Eddy, W of Shasta City Comment
  HSC35286  Platanthera sparsiflora A. Montalvo, J. D. Ackerman 1974-7-2 354 Siskiyou Along road to Middle Fork Sacramento River and Toad Lake. West of Mt. Shasta City Comment
  CAS-BOT-BC261035  Poa Melissa A. Berry 1957-7-8 s.n. Siskiyou South Russian Creek at Power House 822 Comment
  CAS-BOT-BC254783  Poa bolanderi A. A. Heller 1914-8-28 11736 Siskiyou On the E side of Mount Eddy 2438 Comment
  RSA239046  Poa bolanderi Frederick W. Oettinger 1969-8-14 1376 Siskiyou English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UCD90541  Poa bolanderi Francia Chisaki; Helen Sharsmith 1959-8-20 4733 Siskiyou on Carrigher's Summit. Divide between Scott River and East Fork Salmon River. 1981 Comment
  UCD90660  Poa bulbosa John R. Elliott 1958-5-8 s.n. Siskiyou 1 mile northwest of Mt. Shasta (city?). Comment
  SEINET10509470 Image available Poa howellii var. chandleri Harley P. Chandler Chandler 1703 Siskiyou Ridges and meadows near Marble Mountain. 1524 Comment
  HSC76667  Poa pratensis K. T. Stillman 1976-7-23 303 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  SEINET10523337  Poa pratensis Melvin L. Conrad, David B. Dunn; Patricia L. Kenney 1973-6-2 Conrad 6987 Siskiyou Yellow Pine, Libocedrus, Douglas Fir, Western Hemlock forest, 17.4 mi NE of Cecilville Store, on road to Callahan. 2073 Comment
  CAS-BOT-BC256010  Poa pratensis Doris K. Kildale 1928-7-4 5513 Siskiyou Summit of divide between Sawyers Bar and Etna Comment
  UC149785  Poa pratensis subsp. pratensis H. M. Hall and E. B. Babcock June, 1903 4064 Siskiyou Sisson; Sierra Nevada Mts, Mt Shasta 1066 Comment
  CAS-BOT-BC247524  Poa pringlei John Thomas Howell 1937-7-29 13670 Siskiyou North side of Scott Mt. Comment
  JEPS33849  Poa pringlei Gilbert Muth 1966-7-31 473 Siskiyou n side Black Mt; Marble Mt Wilderness Area 2042 Comment
  CAS-BOT-BC237713  Poa secunda David D. Keck 1949-7-20 6368 Siskiyou At Scott Mountain Summit, at Trinity County line 1633 Comment
  UCD90329  Poa secunda A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3449 Siskiyou 25 miles N of Happy Camp. Comment
  CAS-BOT-BC243223  Poa secunda subsp. secunda Douglas Barbe 1959-7-4 530 Siskiyou N shore of Caribou Lake, about 4 miles SW of Big Flat Camp, Klamath National Forest 2103 Comment
  CAS-BOT-BC243229  Poa secunda subsp. secunda L. E. Smith 1915-6-1 s.n. Siskiyou Yreka Comment
  CAS-BOT-BC243242  Poa secunda subsp. secunda Louis C. Wheeler 1934-8-9 3076 Siskiyou Jaynes Canyon, Klamath Forest 1920 Comment
  HSC77053  Poa secunda subsp. secunda K. T. Stillman 1976-8-7 174 Siskiyou Marble Mtn. Wilderness Area. 2073 Comment
  UCD91753  Poa secunda subsp. secunda A. H. Murphy 1956-8-16 56 V Siskiyou Klamath National Forest. 1828 Comment
  SEINET7864991  Poa secunda var. secunda L. C. Wheeler 1935-5-4 3464 Siskiyou Greenhorn Creek, Siskiyou Mountains 853 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
  CAS-BOT-BC232901  Polemonium carneum Louise A. Boyd; Katherine Donahoe 1923-5-1 s.n. Siskiyou Near Oregon boundary Comment
  JEPS69889  Polemonium carneum Geo. D. Butler 1909-4-28 737 Siskiyou McAdams Creek Comment
  SEINET13763051  Polemonium carneum G. D. Butler 1910-5-15 1344 Siskiyou McAdams Creek Comment
  UC705719  Polemonium pulcherrimum subsp. pulcherrimum Marion Ownbey, Fred G. Meyer 1940-7-4 2186 Siskiyou on ridge above head Brewer Creek (e side of Mt. Shasta); e side Mt. Shasta, above head Brewer Creek Comment
  UC1732953  Polyctenium fremontii Kay H. Beach, Frank Gould 1940-5-16 646 Siskiyou drying vernal pool about 24 miles north of Weed, on the road to Klamath Falls. Comment
  UC1101135  Polygonum amphibium var. stipulaceum Herbert L. Mason 1948-7-18 13613 Siskiyou Grass Lake Comment
  JEPS107381  Polygonum arenastrum Lowell Ahart, John Dittes 2005-6-10 12060 Siskiyou In a depression, 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
  CDA2772  Polygonum arenastrum Don Shaw 1978-9-27 Siskiyou Ted Paul property, Yreka. 0 Comment
  UCR64597  Polygonum californicum L. C. Wheeler 1934-6-21 2747 Siskiyou West Fork Cottonwood Creek, Siskiyou Mtns 1006 Comment
  CDA2789  Polygonum cuspidatum T. C. Fuller 1963-8-26 11152 Siskiyou Dunsmuir Grade, Highway 99 to Mt. Shasta Cuty, 0.5 mile north of the limits of Dunsmuir. 0 Comment
  UCR40031  Polygonum davisiae L. P. Janeway 1983-7-31 480 Siskiyou Poker Flat 1524 Comment
  CAS-BOT-BC414592  Polygonum douglasii Alice Eastwood 1921-7-28 10877 Siskiyou Medicine Lake Comment
  HSC92999  Polygonum douglasii Jennifer Whipple 1977-8-6 2197 Siskiyou Klamath Mtns., SW of Dobkins Lake along drainage into the lake. 2073 Comment
  JEPS25543  Polygonum douglasii Rimo Bacigalupi with Lincoln Constance 1959-6-17 7160 Siskiyou on moraine 4 mi nw Weed (along US Hwy 99, overlooking s end of Shasta Valley) 952 Comment
  RSA759844  Polygonum douglasii subsp. austiniae Robert F. Thorne 1969-8-2 63401 Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak. 1159 Comment
  JEPS81905  Polygonum douglasii subsp. spergulariiforme Roger Raiche 1982-10-12 20783 Siskiyou near Yreka; Gunsight Peak 1828 Comment
  UC850392  Polygonum douglasii subsp. spergulariiforme Alice Eastwood 1922-10-23 11553 Siskiyou Yreka Comment
  SEINET4335357  Polygonum minimum G. D. Butler 1910-7-13 1776 Siskiyou Shackerford Creek 1219 Comment
  RSA237779  Polygonum persicaria Frederick W. Oettinger 1969-8-14 1565 Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1829 Comment
  UCD100571  Polygonum polygaloides subsp. confertiflorum Herbert L. Mason 1948-7-17 13595 Siskiyou Eastern Grass Lake. Comment
  CAS-BOT-BC420072  Polygonum polygaloides subsp. kelloggii A. A. Heller 1922-7-15 13713 Siskiyou At Medicine Lake 2133 Comment
  HSC27507  Polygonum polygaloides subsp. kelloggii J. P. Smith, J. O. Sawyer 1972-5-27 5357 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  CAS-BOT-BC109283  Polygonum shastense G. A. Coleman 1900-8-18 s.n. Siskiyou Near the head of Panther Creek. Mount Shasta. Comment
  CAS-BOT-BC109289  Polygonum shastense Robert F. Thorne; Fred Oettinger 1969-8-10 38987 Siskiyou Mount Shasta National Forest. South slope of Mount Shasta. Above ski lodge. 2438 Comment
  CAS-BOT-BC95032  Polygonum shastense R. C. Wenk 2008-7-24 912 Siskiyou SW side of Mount Shasta, Panther Meadow 2255 Comment
  UC185761  Polygonum shastense Milo S. Baker July 1899 Siskiyou near Sissons (e slope of mt.); Mt. Shasta, Sacramento River Comment
  CAS-BOT-BC421073  Polygonum spergulariiforme Geo. D. Butler 1910-7-31 1803 Siskiyou Yreka Comment
  CAS-BOT-BC421079  Polygonum spergulariiforme Alice Eastwood 1912-8-30 2086 Siskiyou Mount Eddy Comment
  HSC41042  Polypodium hesperium J. O. Sawyer 1970-3-4 2061 Siskiyou N of Idlewild Campground 762 Comment
  CAS-BOT-BC232928  Polypogon Melissa A. Berry 1957-7-2 s.n. Siskiyou Fay Lane, Scott Valley 822 Comment
  HSC69294  Polystichum imbricans Maralyn A. Renner 1980-7-24 1999 Siskiyou Lily Pad Lake 1768 Comment
  HSC79157  Polystichum imbricans C. J. Thomas 1983-10-1 107 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 Comment
  RSA693319  Polystichum imbricans Edwin Kline 1920-06 s.n. Siskiyou Siskiyou Mtns. Comment
  UC338387  Polystichum imbricans subsp. imbricans unknown 1888-9-12 Siskiyou Mt. Shasta 3657 Comment
  CAS-BOT-BC76766  Polystichum imbricans subsp. imbricans William Bridge Cooke 1938-9-2 11594 Siskiyou Mount Shasta - along the Sisson Southern Trail on a lava flow. Comment
  CAS-BOT-BC72386  Polystichum lemmonii Peter H. Raven 1956-9-4 10406 Siskiyou south side of Mt. Eddy 2682 Comment
  CHSC99998  Polystichum lemmonii L. P. Janeway 2008-7-25 9495 Siskiyou Klamath Ranges. Siskiyou Mountains; rock wall at head of Hello Canyon, 0.6 air km east of Kangaroo Mountain. 1817 Comment
  HSC92661  Polystichum lemmonii Jennifer Whipple 1976-9-3 1783 Siskiyou W facing slope of the ridge between Durney Lake and Little Crater Lake 2195 Comment
  UC205092  Polystichum lemmonii A. A. Heller 1914-8-28 11739 Siskiyou e side Mt. Eddy 2286 Comment
  UCR101154  Polystichum lemmonii L. C. Wheeler 1958-8-20 7411 Siskiyou Siskiyou Mountains, south side of Red Butte. 1738 Comment
  HSC61976  Polystichum lemmonii Al Hobart 6 Aug [year missing] Siskiyou Preston Pk. 1982 Comment
  HSC79127  Polystichum lemmonii C. J. Thomas 1983-10-1 75 Siskiyou Scott Mtn. Summit, 0.5 to 0.75 mi. above Big Carmen Lake 1756 Comment
  CAS-BOT-BC482451  Polystichum lonchitis Dana York 2011-8-13 3060 Siskiyou Marble Mountain Wilderness, Klamath National Forest, slopes of Black Marble Mountain 2110 Comment
  CAS-BOT-BC72397  Polystichum lonchitis Gilbert Muth 1965-8-3 s.n. Siskiyou Pothole in Marble, Marble Valley Comment
  UC1408838  Polystichum lonchitis Frederick W. Oettinger 1968-8-6 421 Siskiyou w slope on se corner of Hancock Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1950 Comment
  HSC67731  Polystichum munitum John Palmer 1980-8-12 698 Siskiyou SE of Ward's Gap. 1189 Comment
  CAS-BOT-BC72516  Polystichum scopulinum Louis C. Wheeler 1934-8-26 3225 Siskiyou Trapper Creek, Siskiyou Mts. 1981 Comment
  SD82093  Polystichum scopulinum Louis C. Wheeler 1934-8-26 3225 Siskiyou Siskiyou Mountains, Trapper Creek, Mt. Diablo Mer. 1980 Comment
  CHSC57468  Potamogeton crispus L. P. Janeway 1984-6-21 852 Siskiyou West side of Klamath River at Dillon Creek. 228 Comment
  HSC61505  Potamogeton nodosus Ruby Van Deventer 9 Aug [year missing] Siskiyou Kelley Lake and Kelley Lake Trail Comment
  POM34961  Potentilla breweri var. breweri Geo. D. Butler 1910-6-5 1520 Siskiyou Log Lake, Shackleford creek 1220 Comment
  RSA215633  Potentilla breweri var. breweri Gilbert Muth 1969-8-8 1275 Siskiyou Boreal meadow, Boulder Peak ridge in subalpine forest. 2287 Comment
  HSC37144  Potentilla drummondii A. M. Montalvo, J. D. Ackerman 1974-7-2 346 Siskiyou E slope of Mt. Eddy, near Morgan Meadows, W of Mt Shasta City. Comment
  RSA237620  Potentilla drummondii Frederick W. Oettinger 1967-8-13 253 Siskiyou Below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  RSA237624  Potentilla drummondii Frederick W. Oettinger 1969-7-13 1001 Siskiyou North of upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  HSC4790  Potentilla flabellifolia William J. Ferlatte 1966-8-5 359 Siskiyou Caribou Mtn. 2470 Comment
  CHSC1574  Potentilla glandulosa subsp. ashlandica M. Yoder 1941-7-12 Siskiyou Castle Lake. 1981 Comment
  UC625516  Potentilla gracilis var. fastigiata Frank W. Gould 1938-6-28 485 Siskiyou n Mount Shasta (where highway U.S.97 crosses Butte Creek); n of Mount Shasta, Butte Creek 1402 Comment
  CDA26085  Potentilla millefolia G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2590 Siskiyou Between Old Highway 99 and railroad 4 km south of Grenada. Comment
  CAS-BOT-BC516383  Prosartes hookeri Geo. D. Butler 1909-5-30 787 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC158200  Prunus emarginata Alice Eastwood 1923-5-18 11823 Siskiyou Shasta Springs Comment
  CAS-BOT-BC158233  Prunus emarginata A. A. Heller 1920-8-13 13523 Siskiyou Near the Big [Sprin] Spring near Sisson Comment
  CAS-BOT-BC158239  Prunus emarginata A. A. Heller 1905-6-16 8045 Siskiyou Back of Sisson on the Mt. Shasta trail 1371 Comment
  HSC58847  Prunus emarginata Marvin Butler 1971-7-7 45 Siskiyou Near El Capitan, close to the town of Cave Junction 1464 Comment
  RSA78998  Prunus emarginata E. K. Balls 1952-10-13 18186 Siskiyou North end of Castle Lake 1585 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
  UC618731  Prunus emarginata W. Bridge Cooke 1938-6-17 11011 Siskiyou Mount Shasta, Sisson Southern Trail Sisson Southern Trail; Mount Shasta, Sisson Southern Trail 1371 Comment
  CAS-BOT-BC151241  Prunus virginiana var. demissa Doris K. Kildale 1928-8-20 6638 Siskiyou Head of North Fork of Salmon River at Finley's upper camp. Comment
  CAS-BOT-BC151246  Prunus virginiana var. demissa Carl B. Wolf 1927-8-27 1111 Siskiyou On the Klamath River, Happy Camp Comment
  UC52251  Prunus virginiana var. demissa W. T. Mooney May 1903 Siskiyou Yreka Comment
  CAS-BOT-BC162039  Pseudelymus saxicola John Thomas Howell 1952-6-14 28353 Siskiyou 7 miles east of Callahan on road to Gazelle. Comment
  JEPS24016  Pseudognaphalium thermale Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6877 Siskiyou 2 mi w Seiad Valley (in canyon of Portuguese Creek, drainage of Klamath River); Portuguese Creek 396 Comment
  OBI55445  Pseudognaphalium thermale David J. Keil 1992-7-20 23503 Siskiyou Klamath Natl Forest, SW of Fort Jones. along Forest rd 46N64, 2.8 mi W of Scott river Rd 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
  CAS-BOT-BC80167  Pseudotsuga menziesii W. R. Dudley 1899-8-9 s.n. Siskiyou Top of Black Butte Comment
  CHSC9490  Pteridium aquilinum var. pubescens J. F. Goodwin 1971-7-3 134 Siskiyou 0.1 mi. south of road at Multiple Use area. 4.9 mi. south of Mt. Shasta Ski Bowl area. 1889 Comment
  HSC46115  Pterospora andromedea J. P. Smith, Steve Selva 1970-6-16 4000 Siskiyou 5 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1189 Comment
  RSA240082  Pterospora andromedea Frederick W. Oettinger 1969-8-21 1482 Siskiyou Near where trail to Cold Springs heads out of English Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1524 Comment
  UCD91862  Puccinellia distans R. Tofsrud 1949-8-4 s.n. Siskiyou between Grenada and Gazelle, Hwy. 99. Comment
  UCD91893  Puccinellia lemmonii Chandler Jensen; Mike McGourty 1961-8-1 s.n. Siskiyou Near Yreka, Red Bluff. Comment
  HSC67488  Pyrola aphylla J. P. Smith, Steve Selva 1970-6-14 3882 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  CAS-BOT-BC460868  Pyrola aphylla Wm. Bridge Cooke 1938-8-5 11455 Siskiyou Mount Shasta. Along the Sisson Southern Trail. 1676 Comment
  RSA0080537  Pyrola crypta Frederick W. Oettinger 1967-8-26 330 Siskiyou Along the trail heading downhill to Diamond Lake from the Tom's Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  HSC19203  Pyrola picta J. O. Sawyer 1968-7-2 357 Siskiyou Upper drainage of Joe Creek on steep N facing slopes. 1677 Comment
  UCD77971  Pyrola picta Robert E. Preston 2001-7-20 1676 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W se 1/4 of ne 1/4 Section 14 1688 Comment
  CAS-BOT-BC466143  Pyrola picta W. R. Dudley 1893-6-23 s.n. Siskiyou Trail from Castle Crags to Tavern near Sissons Comment
  CAS-BOT-BC466149  Pyrola picta H. A. Thomas; J. H. Thomas 1954-7-21 4419 Siskiyou Salmon-Trinity Mts. About 6 mi SE of Cecilville. West side of Rush Creek. 1219 Comment
  RSA0083257  Pyrola picta R. F. Thorne 1969-8-2 63334 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  HSC85676  Pyrrocoma racemosa var. pinetorum J. P. Smith 1980-8-24 10344 Siskiyou Klamath National Forest. Forest Rd. 40N03, 0.3 mi. from its junction with State Route 3; 2.72 mi. from county line 1463 Comment
  JEPS37854  Quercus chrysolepis Geo. D. Butler 1908-12-1 548 Siskiyou Kidder Creek Comment
  CAS-BOT-BC94662  Quercus garryana Alice Eastwood 1921-7-22 10710 Siskiyou near Dunsmuir Comment
  HSC29147  Quercus garryana var. breweri Frederick W. Oettinger 1968-8-18 574 Siskiyou Marble Mtn. Wilderness Area, NNW of Tobacco Lake and W of W cove of Hancock Lake 1921 Comment
  SD75846  Quercus garryana var. breweri Darley F. Howe 1969-9-12 Siskiyou Just south of Little Grayback, Siskiyou Mountains. 1524 Comment
  HSC27626  Quercus kelloggii Carl W. Mize 1972-8-17 105 Siskiyou Near Gates Creek 366 Comment
  RSA15793  Quercus kelloggii Carl B. Wolf 1927-8-26 1027 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  UCD46691  Quercus kelloggii Frank C. Vasek 1975-6-29 750629 9 Siskiyou 2.3 miles east of Callahan, Siskiyou County, California. Comment
  CAS-BOT-BC104358  Quercus sadleriana Lester Rowntree 1934-5-12 s.n. Siskiyou Happy Camp Road top of divide Comment
  CDA22036  Quercus sadleriana T. C. Fuller, Don Shaw 1974-9-24 20031 Siskiyou Pacific Crest Trail, summit of the Siskiyou Mountains, east of White Mountain. 0 Comment
  HSC69243  Quercus sadleriana Maralyn A. Renner 1980-9-1 2700 Siskiyou S side of Devil's Punchbowl 1829 Comment
  UC163743  Quercus sadleriana Geo. D. Butler 1908-8-4 234 Siskiyou West Fork of Woolly Creek Comment
  UC552335  Quercus sadleriana Rimo Bacigalupi 1935-10-21 2369 Siskiyou summit of road from Waldo, Oregon to Happy Camp (Del Norte-Siskiyou County line); Siskiyou Mountains Comment
  UCD47233  Quercus sadleriana Rimo Bacigalupi; L. Constance, J. P. Tracy, R. Moran, R. L. Rodriguez 1951-6-16 3454 A Siskiyou About 1.5 miles below and southeast of saddle at summit of Takilma-Happy Camp Road, Siskiyou County. Comment
  UCR55551  Quercus sadleriana S. L. Holloway 1963-10-12 77 Siskiyou Marble Mountain Wilderness Area, junction of Red Rock Valley trail and Canyon Creek trail. 1341 Comment
  CAS-BOT-BC104640  Quercus vacciniifolia Marion Ownbey; Fred G. Meyer 1940-7-6 2201 Siskiyou Along Cayenne Ridge, Marble Mountain Comment
  CDA22070  Quercus vacciniifolia T. C. Fuller, Don Shaw 1974-9-24 20040 Siskiyou Pacific Crest Trail, summit of the Siskiyou Mountains, east of White Mountain. 0 Comment
  HSC19223  Quercus vacciniifolia J. O. Sawyer 1968-6-18 247 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  HSC535  Quercus vacciniifolia William J. Ferlatte 1967-8-23 1085 Siskiyou Head of Kidd Creek; E side of Black Mtn. 2134 Comment
  HSC69033  Quercus vacciniifolia Maralyn A. Renner 1980-7-28 2174 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  HSC8301  Quercus vacciniifolia Jerry Parker 1968-10-6 142 Siskiyou Salmon Mtns. ridge above Sugar Lake 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
  UCD47446  Quercus vacciniifolia John M. Tucker 1948-8-3 1776 Siskiyou California, Siskiyou Co.; 6.7 mi. (by road) below the summit of Happy Camp - Waldo road; Comment
  UC5830  Quercus wislizeni var. frutescens W. H. Brewer 1862-8-21 1330 Siskiyou near Shasta 914 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
  CAS-BOT-BC380415  Ranunculus alismifolius var. hartwegii Dorothy Parker 1946-6-12 136 Siskiyou along marshy edges of Middle Boulder Lake 488 Comment
  RSA99973  Ranunculus alismifolius var. hartwegii Geo. D. Butler 1910-5-10 1322 Siskiyou Bulls Meadow, Goosenest Mt. 1677 Comment
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Jan 23 2011
  UC61079  Ranunculus aquatilis var. capillaceus W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
  CDA3500  Ranunculus arvensis Don Shaw 1978-6-2 Siskiyou Sam s Neck, southwest of Dorris. 0 Comment
  UC827780  Ranunculus flammula Alice Eastwood 1912-7-15 1087 Siskiyou McCloud Comment
  UC618607  Ranunculus occidentalis W. Bridge Cooke 1938-7-1 11113 Siskiyou Bear Springs Mount Shasta (along road on bank of spring creek) Comment
  HSC18127  Ranunculus occidentalis var. dissectus Geo. D. Butler 1909-4-25 683 Siskiyou Quartz Valley Comment
  SEINET10619535 Image available Ranunculus occidentalis var. dissectus Harley P. Chandler Chandler 1691 Siskiyou Ridges and meadows near Marble Mountain. Siskiyou County. 2286 Comment
  RSA49963  Ranunculus orthorhynchus E. K. Balls 1949-7-8 13898 Siskiyou Trail to Carmen Lake from Scott Mountain Camp, Scott Mt. 1707 Comment
  UCD77228  Ranunculus populago Robert E. Preston 2001-6-30 1633 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W se 1/4 of nw 1/4 Section 14 1694 Comment
  SEINET12209557  Rhamnus californica M. Ownbey, Meyer, F. G. 1940-1 2224 Siskiyou Along Indian Creek, 12 mi above Happy Camp Comment
  POM283029  Rhamnus ilicifolia Lyman Benson 1929-3-27 1076 Siskiyou Rocky slopes by Klamath River, Pacific Hwy Comment
  UC637071  Rhamnus purshiana Edward Lee 1934-8-15 1124 Siskiyou summit of Happy Camp to Waldo (Oregon) road (Indian Creek watershed); Klamath National Forest, Indian Creek 1615 Comment
  CAS-BOT-BC109793  Rhodiola integrifolia subsp. integrifolia Gilbert Muth 1966-7-31 474 Siskiyou North side of Black Mountain. Marble Mountains. 2057 Comment
  UC22136  Rhododendron occidentale T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC199742  Rhododendron occidentale var. paludosum Alice Eastwood 1923-5-29 11993 Siskiyou Shasta Springs Comment
  UC163674  Rhus trilobata Geo. D. Butler 1910-4-1 1151 Siskiyou near Yuka Comment
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Nov 25 2011
  CAS-BOT-BC92408  Ribes aureum var. aureum L. E. Smith 1913-5-4 250 Siskiyou Hornbrook. Comment
  CAS-BOT-BC92529  Ribes binominatum Doris K. Kildale 1928-7-2 5406 Siskiyou Salmon Summit via Horn Creek Trail. 1981 Comment
  UC1127414  Ribes cereum M. H. Mitchell 1936-5-8 5 Siskiyou 1/2 mi w Incline Cone (close to road); Modoc Lava Beds Natl. Mon., Dorris Quadrangle Comment
  UC618608  Ribes cereum W. Bridge Cooke 1938-6-17 11032 Siskiyou Sisson Southern Trail Mount Shasta Comment
  SEINET9296947  Ribes cruentum var. cruentum Unknown 2009-5-31 Siskiyou High elevation, semi-arid desert ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  CAS-BOT-BC168872  Ribes inerme var. klamathense E. Bethel 1923-6-20 1053 Siskiyou Weed Comment
  HSC64667  Ribes inerme var. klamathense J. O. Sawyer 1977-7-7 3041 Siskiyou N of Sugar Creek on Hwy. 3, Scott Valley 976 Comment
  RSA0021095  Ribes inerme var. klamathense G. D. Barbe 1955-6-29 42 Siskiyou 1.8 miles east of Callahan, south bank of Scott River. 976 Comment
  HSC19427  Ribes lacustre J. O. Sawyer 1968-9-11 697 Siskiyou Slopes above Twin Valley. 1463 Comment
  HSC19428  Ribes lacustre J. O. Sawyer 1968-6-18 210 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  UC1222377  Ribes lacustre Joseph P. Tracy 1951-6-16 19498 Siskiyou near State Line (summit of Siskiyous, at crossing of Takilma-Happy Camp Road); Siskiyous Comment
  CAS-BOT-BC173383  Ribes lobbii Roxana S. Ferris; Laura Lorraine 1948-6-12 11781 Siskiyou Small tributary of Etna Creek below Mill Creek Bridge 1066 Comment
  CAS-BOT-BC173389  Ribes lobbii A. M. Vollmer; L. Beane 1951-6-2 86 Siskiyou Happy Camp, Klamath River Highway Comment
  CAS-BOT-BC173397  Ribes lobbii John Thomas Howell 1937-7-22 13284 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  SEINET3151806  Ribes lobbii G. D. Butler 1910-5-30 1442 Siskiyou Humbug Creek Comment
  CAS-BOT-BC212480  Ribes marshallii John Thomas Howell 1939-8-2 14876 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC76999  Ribes marshallii K. T. Stillman 1976-6-25 90 Siskiyou Marble Mtn. Wilderness Area, N side of Elk Valley. 1799 Comment
  RSA237678  Ribes marshallii Frederick W. Oettinger 1969-7-9 935 Siskiyou Northwest of Upper English Lake. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  UC1608353  Ribes nevadense J. Kierstead 1991-6-3 91 -41 Siskiyou Lower Falls of the McCloud River McCloud Ranger Dist. 944 Comment
  HSC67786  Ribes roezlii J. O. Sawyer, J. Cole 1980-7-20 3757 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  JEPS84052  Ribes sanguineum L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6302 Siskiyou from Takilma to Happy Camp (Indian Creek Road, just s of state line) Comment
  UC165273 Image available Ribes sanguineum Geo. D. Butler 1909-4-24 670 Siskiyou Greenhorn road Comment
  UC165923  Ribes sanguineum Geo. D. Butler 1910-5-5 1286 Siskiyou Humbug Mountain Comment
  RSA0019536  Ribes sanguineum Louis C. Wheeler 1934-6-12 2695 Siskiyou North Hungry Creek, Siskiyou Mts. 1311 Comment
  CAS-BOT-BC173901  Ribes velutinum Elmer I. Applegate 1929-5-2 5557 Siskiyou Shasta Valley between Gazelle and Yreka Comment
  CAS-BOT-BC173906  Ribes velutinum Elmer I. Applegate 1898-5-15 2126 Siskiyou Klamath River. Between Shovel Creek & Fall Creek 853 Comment
  RSA0020885  Ribes velutinum Geo. D. Butler 1910-5-21 1374 Siskiyou Klamath River Comment
  CAS-BOT-BC168805  Ribes viscosissimum L. E. Smith 1913-1-1 s.n. Siskiyou Mt. Shasta Comment
  JEPS49193  Ribes viscosissimum W. L. Jepson 1907-7-5 2821 Siskiyou near Marble Mt. (head of Shackelford Canyon) 2286 Comment
  UC618601  Ribes viscosissimum W. Bridge Cooke 1938-6-17 11005 Siskiyou Sisson Southern Trail Mount Shasta Comment
  CAS-BOT-BC362935  Rigiopappus leptocladus Alice Eastwood 1912-7-20 1261 Siskiyou Hornbrook Comment
  CAS-BOT-BC74369  Rorippa columbiae Stuart K. Harris 1960-6-15 21388 Siskiyou Dry Lake. Comment
  UC1871381  Rosa Barbara Ertter 2006-7-30 18737 a Siskiyou Butte Valley 4 air mi due W of Macdoel, Meiss Lake Road at S entrance to Butte Valley Wildlife Area. 1298 Comment
  NY345428  Rosa eastwoodiae A. Eastwood 1912-9-4 2100 Siskiyou Sisson Comment
  HSC23474  Rosa gymnocarpa J. O. Sawyer 1968-6-18 182 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC59618  Rosa gymnocarpa J. P. Smith, Steve Selva 1970-6-16 3993 Siskiyou 6 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1280 Comment
  HSC61514  Rosa gymnocarpa Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1372 Comment
  UC618738  Rosa gymnocarpa W. B. Cooke 1938-6-24 11094 Siskiyou MacBride Spring Road Mount Shasta 1524 Comment
  CAS-BOT-BC147073  Rosa pisocarpa Alice Eastwood 1912-8-28 1958 Siskiyou Sisson Comment
  CAS-BOT-BC147079  Rosa pisocarpa A. A. Heller 1915-7-18 12112 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  HSC19401  Rosa pisocarpa J. O. Sawyer 1968-9-10 672 Siskiyou W shore of Raspberry Lake Comment
  HSC58953  Rosa pisocarpa Marvin Butler 1971-7-21 198 Siskiyou Near Copper Mtn., close to the town of Cave Junction 1616 Comment
  RSA78997  Rosa pisocarpa E. K. Balls, Percy C. Everett 1952-10-13 18185 Siskiyou 3.6 miles SW of turn off to Ney Springs on road from town of Mt. Shasta to Castle Lake. 1524 Comment
  RSA300565  Rosa pisocarpa Walter Wisura, John Dourley 1982-10-16 3873 Siskiyou Shores of Castle Lake, SW of town of Mt. Shasta. 1646 Comment
  CAS-BOT-BC148190  Rosa rubiginosa L. B. Kildale 1930-5-31 9805 Siskiyou Island in Klamath River near Hornbrook Comment
  HSC74836  Rosa rubiginosa J. P. Smith, J. O. Sawyer 1978-7-3 10005 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  HSC19636  Rosa woodsii subsp. ultramontana R. C. Wunner 1965-8-24 475 Siskiyou Lava Beds NM, Capt. Jacks Stronghold near exit Comment
  HSC19407  Rubus lasiococcus J. O. Sawyer 1968-9-13 714 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  CAS-BOT-BC147981  Rubus leucodermis Carl B. Wolf 1927-8-27 1134 Siskiyou At mouth of Crawford Creek, Klamath River Comment
  CAS-BOT-BC147986  Rubus leucodermis Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  UCD77978  Rubus leucodermis Robert E. Preston 2001-6-30 1659 Siskiyou Klamath National Forest, Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  UC637066  Rubus leucodermis Edward Lee 1934-8-15 1133 Siskiyou near Summit of Happy Camp to Waldo (Oregon) road, Indian Creek watershed, Klamath National Forest 1584 Comment
  UCSB16645  Rubus leucodermis Breedlove, Dennis 1962-6-10 Siskiyou along Indian Creek Road, 10.5 miles northwest of Happy Camp; Siskiyou Mountains 518 Comment
  CAS-BOT-BC147309  Rubus parviflorus Gilbert J. Muth 1969-8-10 1353 Siskiyou Red Mountain Ridge Comment
  UC12967  Rubus parviflorus Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
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Jun 8 2009
  JEPS80568  Rubus parviflorus Gilbert Muth 1965-8-4 165 Siskiyou Pothole in Marble Marble Mt. Wilderness Area, Pothole in Marble 1792 Comment
  CHSC63500  Rudbeckia californica var. glauca Vernon H. Oswald; Lowell Ahart 1994-8-1 6418 Siskiyou Forest Rd. 26 paralleling the South Fork of the Sacramento River, 0.3 mi E of Forest Rd. 40N43, 9.0 mi SW of the dam at Lake Siskiyou. 1438 Comment
  JEPS74413  Rumex acetosella W. B. and V. G. Cooke 1974-8-20 49244 Siskiyou Everett Memorial Highway Mt. Shasta 1371 Comment
  JEPS88937  Rumex acetosella Gilbert Muth 1966-7-18 414 Siskiyou meadow above Marble Valley; Marble Mountain Wilderness Area, Marble Gap Trail 1828 Comment
  CAS-BOT-BC422228  Rumex acetosella Wm. Bridge Cooke 1938-8-21 11549 Siskiyou Mount Shasta. At Horse Camp. Comment
  RSA184722  Rumex acetosella Gilbert Muth 1966-7-18 412 Siskiyou Marble Gap Trail, Meadow above Marble Valley, Marble Mtns. 1829 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
  UC1408875  Sagina saginoides Frederick W. Oettinger 1969-8-19 1467 Siskiyou near Abbotts; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1859 Comment
  CAS-BOT-BC445721  Sagittaria latifolia L. E. Smith 1913-9-14 s.n. Siskiyou Mt. Eddy Comment
  CAS-BOT-BC103541  Salix commutata Gilbert Muth 1965-8-5 s.n. Siskiyou Along trail behind Blk. Mt. Comment
  CAS-BOT-BC103546  Salix commutata Gilbert Muth 1966-7-8 377 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  UC1409267  Salix eastwoodiae Frederick W. Oettinger 1968-8-2 364 Siskiyou e outlet of Diamond Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2072 Comment
  UC54763  Salix exigua var. hindsiana P. E. Goddard 1901-8-4 150 Siskiyou Klamath River Comment
  NY284098  Salix laevigata var. angustifolia E. L. Greene 795 Siskiyou Near Yreka Comment
  CAS-BOT-BC125445  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 411 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City; above Metcalf ranch house 1425 Comment
  CAS-BOT-BC125450  Salix lasiandra var. lasiandra L. E. Smith 1913-4-14 629 Siskiyou Weed Comment
  SD899  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 Siskiyou Northeast side of Mount Eddy, about 16 km northwest of Shasta City, above Metcalf ranch house 1424 Comment
  UC482340  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-22 476 Siskiyou Gibson flag station Pit River (125 km n of Red Bluff) 450 Comment
  UC576391  Salix lasiolepis Mrs. H. P. Bracelin 1935-9-3 854 Siskiyou 11 mi. n.w. from Mt. Shasta City (ca. 2 mi. e. of Burney Mill, n. base Mt. Eddy, flat beside creek at second bridge); n. base Mt. Eddy 1127 Comment
  CAS-BOT-BC128305  Salix lasiolepis var. lasiolepis Marian L. Campbell 1921-7-26 s.n. Siskiyou Castle Crags Comment
  CAS-BOT-BC124897  Salix lemmonii Mrs. H. P. Bracelin 1931-6-20 448 Siskiyou East side of Mount Eddy, about 17 km. northwest of Shasta City; Wagon Creek Canyon, about 1 km. up from Metcalf ranch house 1170 Comment
  CHSC9686  Salix lemmonii E. L. Smith 1971-8-20 1058 Siskiyou At Mt. Shasta City. 1085 Comment
  UC437366  Salix melanopsis Annie M. Alexander and L. Kellogg 1911-6-13 142 Siskiyou 6 mi. n.w. Callahan Comment
  CAS-BOT-BC126168  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 445 Siskiyou East side of Mount Eddy, about 17 km. northwest of Shasta City; in Wagon Creek Canyon, about 1 km. up from Metcalf ranch house 1170 Comment
  CAS-BOT-BC129038  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 443 Siskiyou North base of Mount Eddy, about 1 km. up from Metcalf ranch house, about 17 km. northwest of Shasta City 1170 Comment
  CAS-BOT-BC129044  Salix scouleriana W. R. Dudley 1899-8-8 s.n. Siskiyou Near Big Spring above Sisson Comment
  RSA238030  Salix scouleriana Frederick W. Oettinger 1968-9-4 696 Siskiyou W shore line, Abbotts Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness. 1723 Comment
  RSA238272  Salix scouleriana Frederick W. Oettinger 1969-8-1 1135 Siskiyou Above wiregrass meadow, English Lake basin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1707 Comment
  RSA612549  Salix scouleriana Louis C. Wheeler 1935-7-26 3722 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  UC375229  Salix scouleriana Geo. D. Butler 1910-4-1 1155 Siskiyou Humbug Mt. 1219 Comment
  UC481713  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou ca. 17 km. n.w. Shasta City (above stream in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house, e. side of Mt. Eddy); Mt. Eddy Comment
  HSC92120  Salix sitchensis Jennifer Whipple 1978-10-6 2418 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  RSA201500  Salix sitchensis J. T. Howell 1939-8-5 15080 Siskiyou Spirit Lake, Marble Mtns 1829 Comment
  CAS-BOT-BC220810  Salvia dorrii var. incana A. A. Heller 1922-6-22 13667 Siskiyou Along the Pacific highway on the Klamath River Comment
  RSA12668  Salvia sonomensis Carl B. Wolf 1934-7-6 6026 Siskiyou West side of Mt Shasta, along Snowline road, 3.3 miles from Mt. Shasta City 1524 Comment
  UC144539  Salvia sonomensis A. A. Heller 1905-6-16 8044 Siskiyou near Sisson Comment
  CAS-BOT-BC238879  Sambucus nigra subsp. caerulea Geo. D. Butler 1910-5-29 1425 Siskiyou Near Yreka Comment
  CAS-BOT-BC238895  Sambucus nigra subsp. caerulea Milo S. Baker; Douglas Barbe 1955-7-5 96 Siskiyou Klamath Mountains. 5.7 mi. South of Etna on French Cr. Rd. 883 Comment
  HSC19451  Sambucus racemosa var. racemosa J. O. Sawyer 1969-7-18 1404 Siskiyou SW facing slope above S Russian Creek. 1905 Comment
  HSC19457  Sanicula graveolens J. O. Sawyer 1969-8-1 1649 Siskiyou Along trail to Little Duck Lake 1951 Comment
  HSC68528  Sanicula graveolens Maralyn A. Renner 1980-6-24 1046 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  POM77781  Sanicula graveolens Geo. D. Butler 1910-7-13 1778 Siskiyou [Unspecified] 1220 Comment
  SD88171  Saussurea americana D. H. Shaw, T. C. Fuller 1974-9-24 20045 Siskiyou Headwaters of Horse Creek, southwest slope of White Mountain, Siskiyou Mountains. Comment
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Dec 7 2013
  CDA25436  Saxifraga fallax G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2619 Siskiyou 200 meters north of Hamilton Street on Highway 3, north edge of Fort Jones. Comment
  UC722383  Saxifraga ferruginea C. L. Hitchcock, J. S. Martin 1939-7-7 5287 Siskiyou Sanger Peak 1780 Comment
  RSA47992  Saxifraga nidifica Roxana S. Ferris, Laura Lorraine 1948-6-12 11774 Siskiyou About 5.5 miles from Etna on forks of Salmon road. Comment
  RSA238323  Saxifraga occidentalis var. rufidula Frederick W. Oettinger 1969-7-16 651 Siskiyou Base of precipice S of Abbotts Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1860 Comment
  POM93446  Saxifraga oregana Geo. D. Butler 1910-6-19 1590 Siskiyou Goosenest foothills. 1524 Comment
  CHSC1679  Saxifragopsis fragarioides V. Holt 1942-8-6 Siskiyou Caribou Lake, Trinity Alps. 2438 Comment
  HSC19458  Saxifragopsis fragarioides J. O. Sawyer 1969-8-2 1714 Siskiyou Summit W of Little Duck Lake 2409 Comment
  HSC718  Saxifragopsis fragarioides William J. Ferlatte 1967-8-20 1054 Siskiyou Caribou Basin, Sawtooth Ridge 2043 Comment
  CAS-BOT-BC283649  Schedonorus pratensis Louis C. Wheeler 1934-6-26 2796 Siskiyou Cottonwood Creek, Siskiyou Mountains 838 Comment
  CAS-BOT-BC111413  Schoenoplectus acutus var. occidentalis Doris K. Kildale 1929-7-21 8742 Siskiyou Elk Lisk, South Fork of Indian Creek 1219 Comment
  SEINET5717261 Image available Schoenoplectus americanus Philip E. Hyatt 2002-1 11141 Siskiyou Fr. Goff Recreation Area at T47N R12W S32's south edge at S5 of T46N R12W. Along Klamath River. Comment
  CAS-BOT-BC111665  Schoenoplectus pungens var. badius D. E. Breedlove 1962-6-10 3324 Siskiyou On the north bank of the Klamath River at its junction with Goff Creek. 411 Comment
  UC1100759  Scirpus acutus var. occidentalis Verne Grant and Irving Schneider 1947-8-25 8283 Siskiyou w side Tule Lake; w side of Tule Lake Comment
  JEPS19774  Scirpus congdonii Rimo Bacigalupi with S. Galen Smith 1957-6-26 5954 Siskiyou springy bog at w end Gumboot Lake (head of South Fork Sacramento River, close to Trinity County line); head of South Fork Sacramento River, w end Gumboot Lake 1859 Comment
  HSC30684  Scirpus congdonii Frederick W. Oettinger 1969-8-22 1500 Siskiyou Marble Mtn. Wilderness Area, S end of Horses Hole pond above Horse Range Lake 1875 Comment
  HSC63479  Scirpus congdonii M. A. Baker 1979-7-31 1091 Siskiyou Marble Mtn. Wilderness Area, head of Tickner Hole 1750 Comment
  HSC773  Scirpus microcarpus William J. Ferlatte 1967-8-17 948 Siskiyou Yellow Rose Mine 1982 Comment
  UC184012  Scirpus microcarpus Geo. D. Butler 1908-8-28 81 Siskiyou Oro Fino Oro Fino (wet meadow) Comment
  HSC92411  Scutellaria antirrhinoides Jennifer Whipple 1976-7-13 1455 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River. 2256 Comment
  JEPS94857  Scutellaria antirrhinoides Vernon H. Oswald and Lowell Ahart 1998-8-3 9417 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.9 mi se of Gazelle-Callahan Road at its intersection with USFS 41N10 Gazelle-Callahan Road; Kangaroo Lake Road 1554 Comment
  UC163997  Scutellaria antirrhinoides Geo. D. Butler 1908-7-20 176 Siskiyou Humbug Creek Comment
  HSC82524  Scutellaria antirrhinoides Thomas W. Nelson, Jane P. Nelson 1980-7-20 6177 Siskiyou Hillside above Big Carmen Lake 1738 Comment
  RSA60645  Scutellaria antirrhinoides Rodney Gregg 1948-08 s.n. Siskiyou Gazelle Mountain 1220 Comment
  JEPS62886  Scutellaria galericulata M. A. Howe August, 1894 Siskiyou Sisson Comment
  UC1034648  Secale cereale Milo S. Baker and Douglas Barbe 1955-6-27 13088 Siskiyou about 1 mi w Gazelle (on road to Callahan) 914 Comment
  JEPS50723  Sedum divergens Al Hobart 1967-8-8 Siskiyou just s Youngs Valley (on steep sides of El Capitan, Siskiyou Mountains, extreme western Siskiyou County); Siskiyou Mountains, El Capitan, s of Youngs Valley 1828 Comment
  JEPS105142  Sedum laxum subsp. flavidum Dean W. Taylor 1993-7-30 13991 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 miles east of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  HSC24117  Sedum laxum subsp. heckneri J. O. Sawyer 1970-7-6 2330 Siskiyou 1662 Comment
  HSC28658  Sedum laxum subsp. heckneri Frederick W. Oettinger 1969-7-11 988 Siskiyou Marble Mountain Wilderness Area: Near summit of Little Medicine Mtn. (N of Hancock Lake) 2104 Comment
  CHSC118103  Sedum oblanceolatum Peter Zika 2011-7-19 25650 Siskiyou Near Pacific Crest Trail, 1 air mile WNW of Copper Butte, Siskiyou Mountains, Klamath Range. 1610 Comment
  HSC603  Sedum obtusatum subsp. retusum William J. Ferlatte 1967-7-26 750 Siskiyou Caribou Basin, Sawtooth Ridge 2287 Comment
  RSA0083653  Sedum oregonense L. C. Wheeler 1963-8-25 8271 Siskiyou South side of Preston Peak: Head Rattlesnake Creek. 1829 Comment
  CAS-BOT-BC64098  Sedum radiatum subsp. depauperatum John H. and Hazelle A. Thomas 1954-7-21 4414 Siskiyou Trinity mts. About 6 miles SE of Cecilville. West side of Rush Ck. 1158 Comment
  UCSB25866  Sedum stenopetalum Keefe, Joseph 1967-7-11 Siskiyou On trail, 0.5 mile east of Cook and Green Pass, north of Seida Valley 1676 Comment
  CAS-BOT-BC59181  Sedum stenopetalum subsp. stenopetalum Dorothy Parker 1950-8-3 484 Siskiyou Little Mill Creek, Mount Bolivar 1828 Comment
  UCR143036  Selaginella densa var. scopulorum L. C. Wheeler 1934-8-14 3122 Siskiyou Klamath Ranges; Siskiyou Mountains, 0.5 mile west of White Mountain 1921 Comment
  CAS-BOT-BC69760  Selaginella wallacei Geo. D. Butler 1909-7-15 874 Siskiyou Highland River. Comment
  RSA155891  Senecio canus P. H. Raven 1962-5-30 17901 Siskiyou US Hwy 97, 8.3 miles north of Weed. Comment
  JEPS109257  Senecio fremontii var. fremontii D. W. Taylor 2002-7-29 18284 Siskiyou South China Mountain; cirque at head of the W fork of Huston Creek (Huston Creek Divide on USFS trail sign at summit) ca 0.4 miles E of summit. Comment
  UC1040774  Senecio hydrophilus Thomas C. Horn 1956-8-6 Siskiyou w side Lower Klamath Lake; w side Lower Klamath Lake Comment
  CAS-BOT-BC364043  Senecio integerrimus var. major Harley P. Chandler 1901-6-1 1274 Siskiyou North Coast Ranges. Hupa Indian Reservation 1036 Comment
  HSC22189  Senecio triangularis J. O. Sawyer 1969-8-4 1810 Siskiyou Above Sugar Lake 2134 Comment
  HSC68349  Senecio triangularis J. P. Smith, J. O. Sawyer 1970-7-17 4470 Siskiyou Below Kangaroo Lake. 1890 Comment
  UC129421  Senecio triangularis Harley P. Chandler June 1901 1717 Siskiyou ridges and meadows near Marble Mountain (Shackleford Canyon); North Coast Ranges, Shackleford Canyon 1524 Comment
  UC1409235  Senecio triangularis Frederick W. Oettinger 1968-8-1 343 Siskiyou s Hancock Lake (high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area, western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2042 Comment
  UC1483533  Senecio triangularis John Palmer 1980-8-12 689 Siskiyou se Wards Gap; Condry Mtn. Quad., Klamath National Forest 1188 Comment
  RSA237444  Senecio triangularis Frederick W. Oettinger 1968-8-1 342 Siskiyou Wet meadow south of Hancock Lake. The Salmon Mountains. The High Lake basins in the vicinity of English Peak Marble Mountain Wilderness Area. 2043 Comment
  CAS-BOT-BC240272  Setaria viridis Geo. D. Butler 1910-7-29 1796 Siskiyou Yreka Comment
  UC1299197  Sidalcea glaucescens Freed W. Hoffman 1950-7-14 3623 Siskiyou western Baldy Mountain Comment
  UCR21114  Sidalcea malviflora subsp. celata T. W. Fisher, Earl Oatman, R. E. Orth 1974-6-26 s.n. Siskiyou McIntosh Ranch on the McCloud River near Bartle 1220 Comment
  JEPS67292  Sidalcea oregana subsp. oregana W. L. Jepson 1940-6-28 20062 Siskiyou McCloud 975 Comment
  HSC81753  Sidalcea oregana subsp. spicata Thomas W. Nelson, Jane Nelson 1980-7-20 6185 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  SEINET1004223  Sidalcea oregana subsp. spicata Mark Fishbein, Lane Greer 2006-1 5881 Siskiyou Paynes Springs, about 2 mi southeast of Medicine Lake. 1980 Comment
  JEPS84222  Silene campanulata subsp. glandulosa L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6365 Siskiyou ca 7 mi nne Seiad Valley (ca 1/2 mi e of Red Butte summit, w of Cook and Green Pass); nne of Seiad Valley, w of Cook and Green Pass 1900 Comment
  RSA264942  Silene campanulata subsp. glandulosa Gilbert Muth 1975-7-28 5340 Siskiyou Near Cook and Green Pass, near Seiad Valley 1524 Comment
  UCD98558  Silene campanulata subsp. glandulosa Joseph M. DiTomaso 1975-7-27 302 Siskiyou Yellow Rose Mine, Trinity Alps. 2011 Comment
  JEPS50912  Silene douglasii Geo. D. Butler 1909-7-15 963 Siskiyou Higland Mine Highland Mine Comment
  JEPS87358  Silene douglasii W. L. Jepson 1940-6-23 20027 Siskiyou n Mt. Shasta (Andesite station); n of Mt. Shasta, Andesite station 975 Comment
  RSA714935  Silene douglasii M. E. Fishbein, Lane Greer 2006-8-3 5880 Siskiyou Paynes Creek, above Paynes Springs, about 2 miles SE of Medicine Lake. 1990 Comment
  CAS-BOT-BC388949  Silene grayi A. A. Heller 1920-6-29 13403 Siskiyou Near Wagon Creek falls, east side of Mt. Eddy Comment
  UC1188082  Silene grayi Philip A. Munz 1960-8-22 24188 Siskiyou Panther Meadows , Panther Meadows (Mt. Shasta) 2529 Comment
  CAS-BOT-BC388943  Silene grayi Mary Ann Showers 1980-8-7 1983 Siskiyou Summit ridge of Marble Mt., 1/4 mi w of summit 2042 Comment
  RSA237807  Silene grayi Frederick W. Oettinger 1968-8-16 549 Siskiyou East side of Hancock Lake. Salmon Mtns. High Lake Basin in the vicinity of English Peak, Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC389418  Silene lemmonii A. M. Vollmer; L. Beane 1951-6-2 58 Siskiyou Road betw. Streamline Lodge & Deer Camp, n. of Klamath River Highway Comment
  UC8481  Silene menziesii Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River, below Bartles Comment
  CHSC48344  Sisymbrium altissimum Vernon Oswald 1986-5-29 2068 Siskiyou Lower Klamath National Wildlife Refuge, on the tour route ca. 1.5 mi s of Hwy 161. On levees. 1245 Comment
  SBBG125916  Solanum dulcamara L. Ahart, J. Dittes 2010-7-30 16939 Siskiyou S edge of Shasta River, ca 100 yards E of E Louie Rd Bridge, Shasta Big Springs Ranch, 1.6 mi (air) SW of Big Springs Lake, 4.6 mi (air) NW of Dwinnel Dam, 5.7 mi (air) SE of Grenada 716 Comment
  CHSC71606  Solanum parishii Vernon H. Oswald; Lowell Ahart 1998-8-3 9458 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 2.6 mi southeast of Gazelle-Callahan Rd. At roadside. 1426 Comment
  CHSC72242  Solanum physalifolium var. nitidibaccatum Vernon H. Oswald; Lowell Ahart 1998-9-16 9638 Siskiyou Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi east of Hwy. 97. At roadside. 1243 Comment
  JEPS11995  Solanum umbelliferum Geo. D. Butler 1908-8-3 18 Siskiyou Log Lake 1371 Comment
  SEINET10614387  Solidago David B. Dunn 1971-8-15 Dunn 18144 Siskiyou 1/2 mi. east of McCloud Ranger Station on Hwy. 89. Comment
  CAS-BOT-BC365554  Solidago elongata Copeland 1903-8-12 3823 Siskiyou Sisson Comment
  CAS-BOT-BC365575  Solidago elongata A. A. Heller 1916-8-24 12562 Siskiyou Near Sisson 1074 Comment
  HSC72358  Solidago elongata J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8980 Siskiyou 1/5 mi. W of S.R. 3 on Road 8 671 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
  JEPS123407  Sorbus californica Julie Kierstead Nelson with Don Lepley, Rhonda Posey 2015-8-13 2015 -130 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. Comment
  UC154508  Sorbus californica Harley P. Chandler June, 1901 1633 Siskiyou near Marble Mountain (Klamath River to); North Coast Ranges 2133 Comment
  CAS-BOT-BC157320  Sorbus californica 1902-7-15 1518 Siskiyou Marble Fork Comment
  HSC29507  Sorbus scopulina Frederick W. Oettinger 1969-7-18 1052 Siskiyou Marble Mtn. Wilderness Area, SW of Upper English Lake 1921 Comment
  UC1409333  Sorbus sitchensis var. sitchensis Frederick W. Oettinger and R. F. Thorne 1969-8-7 1276 Siskiyou se end English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1798 Comment
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Aug 26 2008
  HSC34316  Sphenosciadium capitellatum J. P. Smith, J. O. Sawyer 1973-8-15 7330 Siskiyou Along Shakleford Creek 1524 Comment
  RSA472773  Spiraea densiflora M. B. Dunkle 1945-1 9306 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  UC1034575  Spiraea densiflora Douglas Barbe 1955-7-26 270 Siskiyou nw slope Scott Mtn.; Klamath Mountains 1828 Comment
  JEPS24789  Spiraea douglasii Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6797 Siskiyou 6.2 mi above and sw of junction with road to Gumboot Lake (along road to Castle Lake, in drainage of Scott Camp Creek); road to Castle Lake, drainage of Scott Camp Creek, Gumboot L 1432 Comment
  RSA472783  Spiraea douglasii Louis C. Wheeler 1934-8-16 3176 Siskiyou 2 miles SE White Mtn. Siskiyou Mtns. 1738 Comment
  UC1037473  Spiraea douglasii Douglas Barbe 1955-7-5 102 Siskiyou 2.5 mi n Etna (on the road to Greenview); Klamath Mountains 883 Comment
  UC164063  Spiraea douglasii Geo. D. Butler 1910-7-9 1708 Siskiyou Shackleford Creek 1219 Comment
  UC618746  Spiraea douglasii unknown 1938-7-29 11400 Siskiyou above Bear Spring; Mount Shasta Comment
  JEPS78185  Spiraea douglasii Gary W. Zamzow 1972-7-20 97 Siskiyou 28.8 mi nw Highway 89 junction with Highway 299 (growing beside Highway 89) 1158 Comment
  CHSC2357  Spiranthes porrifolia 1936-7-14 Siskiyou Shasta S. S. Meadows. 1097 Comment
  CHSC2358  Spiranthes porrifolia 1936-7-26 Siskiyou Mt. Shasta. Comment
  RSA382197  Spiranthes romanzoffiana Louis C. Wheeler 1934-8-14 3117 Siskiyou Johnson Dairy; Siskiyou Mountains. Mt. Diablo Mer. 1829 Comment
  CHSC62565  Stachys ajugoides var. rigida L. P. Janeway 1993-8-30 4570 Siskiyou Along Gumboot Creek just below Gumboot Lake. 1844 Comment
  SBBG95169  Stachys rigida M. B. Dunkle -Aug-1945 Siskiyou Paradise Lake, Marble Mtns, Klamath Nat Forest 1981 Comment
  RSA610003  Stellaria calycantha L. C. Wheeler 1935-7-26 3697 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  UC1045307  Stellaria calycantha unknown 1940-8-22 15457 Siskiyou Mud Creek Canyon Mount Shasta (especially near Clear Creek) Comment
  CAS-BOT-BC391218  Stellaria longipes subsp. longipes L. E. Smith 1913-6-25 392 Siskiyou Sisson Comment
  RSA576948  Stellaria media subsp. pallida L. C. Wheeler 1934-6-19 2736 Siskiyou North Hungry Creek. Siskiyou Mtns. 1098 Comment
  JEPS24635  Stephanomeria lactucina Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6790 Siskiyou A little above and east of McBride Springs south slopes of Mt. Shasta. 1432 Comment
  RSA12667  Stephanomeria lactucina C. B. Wolf 1934-7-6 6027 Siskiyou West side of Mt Shasta, along Snowline road, 3.3 miles from Mt. Shasta City 1524 Comment
  SEINET10603844  Stipa lemmonii A. Arthur Heller 1905-6-1 Heller 7934 Siskiyou Between Upper soda Spring and Shasta Retreat. Comment
  HSC19242  Stipa occidentalis var. californica J. O. Sawyer 1969-7-19 1427 Siskiyou SW facing slope above Deacon Lee Trail 2180 Comment
  HSC30534  Stipa occidentalis var. californica Frederick W. Oettinger, R. F. Thorne 1969-8-4 1156 Siskiyou Salmon Mountains, above Halfway Spring on trail from English Lake to Diamond Lake 1829 Comment
  UC1282026  Streptanthus barbatus Louise Kellogg Aug 8 1953-Aug 9 1953 127 Siskiyou serpentine outcrop near Scott Mountain Public Campground; Scott Mountains, Klamath National Forest, Blue Point 1630 Comment
  HSC27005  Streptanthus barbatus J. P. Smith, J. O. Sawyer 1972-9-12 5773 Siskiyou Scott Mtn., slopes E of Big Carmen Lake 1982 Comment
  CAS-BOT-BC87850  Streptanthus tortuosus A. A. Heller 1916-6-23 12433 Siskiyou Near Black Butte north of Sisson. 1127 Comment
  UC455750  Streptanthus tortuosus unknown Siskiyou near Shasta Retreat (summit); Mt. Bradley 1981 Comment
  UCD116311  Streptanthus tortuosus Robert E. Preston 1984-7-25 492 Siskiyou on summit slopes of Little Mt. Hoffman. 2196 Comment
  HSC18897  Streptanthus tortuosus var. tortuosus J. O. Sawyer 1968-7-9 422 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  HSC18963  Streptanthus tortuosus var. tortuosus J. O. Sawyer 1969-7-25 1533 Siskiyou SE facing upper slope W of Sugar Lake 1997 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
  UC1334017  Streptanthus tortuosus var. tortuosus Dorothy Parker 1949-7-10 343 Siskiyou 2 mi from summit of Salmon Mountain; Siskiyou Mountains 1828 Comment
  CAS-BOT-BC516438  Streptopus amplexifolius Gilbert Muth 1966-7-24 443 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  UC1190159  Streptopus amplexifolius var. americanus Ira L. Wiggins 1955-7-24 13502 Siskiyou China Creek; trail at crossing, above diversion dam 1301 Comment
  OBI9067  Styrax redivivus H. E. McMinn 1931-6-26 2493 Siskiyou Pit River Bridge and hwy Comment
  UC163669  Suaeda calceoliformis Geo. D. Butler 1910-8-21 1845 Siskiyou Shasta Valley Comment
  JEPS123406  Swertia perennis Julie Kierstead Nelson with Don Lepley, Rhonda Posey 2015-8-13 2015 -124 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. Comment
  RSA238534  Symphoricarpos hesperius Frederick W. Oettinger 1968-8-6 542 Siskiyou East side of Little Medicine Mt. due N of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC234777  Symphoricarpos mollis Geo. D. Butler 1910-8-7 1818 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC234785  Symphoricarpos mollis Wm. Bridge Cooke 1938-7-22 11347 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  HSC19110  Symphoricarpos mollis J. O. Sawyer 1969-7-23 1179 Siskiyou Along road near Horse Range Creek. 1341 Comment
  HSC27962  Symphoricarpos mollis Carl W. Mize 1972-9-23 122 Siskiyou 610 Comment
  UC164440  Symphoricarpos mollis Geo. D. Butler 1910-8-7 1818 Siskiyou Humbug Mountain 1219 Comment
  RSA45335  Symphoricarpos vaccinioides Dorothy Parker 1947-5-23 183 Siskiyou Dry NE slopes of the Gazelle Mts. Comment
  CAS-BOT-BC97581  Symphyotrichum ascendens A. A. Heller 1914-8-26 11713 Siskiyou near Deetz Station near/opposite Black Butte 1158 Comment
  HSC58870  Symphyotrichum bracteolatum Marvin Butler 1971-8-11 308 Siskiyou Near Youngs Valley, close to the town of Cave Junction 1403 Comment
  CAS-BOT-BC97665  Symphyotrichum chilense Grant 1902-9-13 5186 Siskiyou Dunsmuir Comment
  CAS-BOT-BC97882  Symphyotrichum eatonii Laura M. Lathrop 1903-7-20 s.n. Siskiyou Shasta Retreat Comment
  CAS-BOT-BC97947  Symphyotrichum frondosum Geo. D. Butler 1910-9-13 1873 Siskiyou Butte Valley 1280 Comment
  OBI80256  Symphyotrichum spathulatum David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  OBI55482  Symphyotrichum spathulatum var. yosemitanum David J. Keil 1992-7-21 23525 Siskiyou Klamath NF SE of Callahan. Forest Rd 40N08, 0.5 mi W of Scott Mtn Rd (hwy 3) Comment
  CAS-BOT-BC85242  Taxus brevifolia Doris K. Kildale 1925-9-6 1296 Siskiyou Mouth of Rodger Creek on Klamath River 274 Comment
  UC275506  Taxus brevifolia Frank A. Graham 1923-10-12 Siskiyou head of Knownothing Creek; Salmon Mts., Knownothing Creek 1828 Comment
  CAS-BOT-BC85234  Taxus brevifolia W. R. Dudley 1901-8-22 s.n. Siskiyou W. slope of Foxtail Ridge Salmon Mountains Comment
  HSC18992  Tellima grandiflora J. O. Sawyer 1969-7-18 1362 Siskiyou E of Waterdog Lake 2012 Comment
  HSC44387  Tellima grandiflora Maralyn O'Meara 1973-6-25 239 Siskiyou Music Creek 1463 Comment
  UC449662  Tetradymia glabrata H. W. Furlong Sept 1901 Siskiyou Summit to Ager Comment
  HSC78074  Thelypodium brachycarpum R. & G. Pederson 1979-9-18 Siskiyou Tulelake, Lower Klamath National Wildlife Refuge, islands 1238 Comment
  RSA105451  Thelypodium brachycarpum Milo S. Baker 1955-6-26 13074 Siskiyou Hwy 99, 4 miles south of Gazella 915 Comment
  SBBG70248  Thelypodium brachycarpum A. A. Heller 1927-8-2 14441 Siskiyou N end of Shasta Valley, near the Klamath River Comment
  CAS-BOT-BC77738  Thelypteris nevadensis Louis C. Wheeler 1934-8-21 3191 Siskiyou E Fork Horse Cr., Klamath National Forest 1219 Comment
  HSC73350  Thermopsis macrophylla Gail Newton 1980-6-20 441 Siskiyou Near Bald Mtn. 1097 Comment
  UC165982  Thlaspi montanum var. montanum Geo. D. Butler 1908-8-4 124 Siskiyou head of Shackleford Creek Comment
  UC857508  Thlaspi montanum var. montanum A. A. Heller 1915-7-15 12083 Siskiyou Mt. Eddy 2072 Comment
  HSC36872  Thysanocarpus curvipes J. P. Smith 1974-5-25 7517 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  HSC41079  Thysanocarpus curvipes J. O. Sawyer 1970-3-4 2068 Siskiyou N of Idlewild Campground. 762 Comment
  RSA0039366  Thysanocarpus curvipes var. curvipes George D. Butler 1910-4-25 1241 1/2 Siskiyou Oro Fino. Comment
  CAS-BOT-BC67267  Thysanocarpus radians Geo. D. Butler 1910-3-27 1146 Siskiyou Dryland near Yreka. Comment
  UC725936  Thysanocarpus radians A. A. Heller 1929-5-14 14856 Siskiyou along U.S. Highway #99 about 2 mi s Yreka; s of Yreka Comment
  CHSC43138  Tiarella trifoliata var. unifoliata R. Banchero 1982-8-20 650 Siskiyou Ca 6 mi n of Happy Camp. N 1/2 mi from jct of F. S. roads 18N24 and 18N15. 975 Comment
  HSC69131  Tiarella unifoliata Maralyn A. Renner 1980-8-6 2236 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  JEPS62178  Tofieldia occidentalis subsp. occidentalis W. L. Jepson 1894-7 Siskiyou wet swamp at Sisson Comment
  UC1190164  Tolmiea diplomenziesii Ira L. Wiggins 1955-7-24 4270 Siskiyou trail at crossing China Creek (above diversion dam) 1301 Comment
  CAS-BOT-BC376177  Triantha occidentalis subsp. occidentalis Andrew Townesmith; Karen M. Meyer 2007-8-1 882 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway) 1983 Comment
  HSC58945  Triantha occidentalis subsp. occidentalis Marvin Butler 1971-7-12 112 Siskiyou Near Copper Camp, close to the town of Cave Junction 1433 Comment
  CAS-BOT-BC519575  Triantha occidentalis subsp. occidentalis W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar: near Mc Cloud Comment
  HSC60915  Triantha occidentalis subsp. occidentalis Al Hobart Siskiyou Black Butte Comment
  CDA22542  Trichostema lanceolatum Glenn Briggs 2008-7-21 PDR# 1414000 Siskiyou Seiad Valley, 53005 Hwy 96 0 Comment
  JEPS43087  Trientalis latifolia Geo. D. Butler 1909-5-30 765 Siskiyou Humbug Comment
  UCD107928  Trifolium eriocephalum subsp. eriocephalum A. H. Murphy 1958-8-7 58 -M Siskiyou Klamath National Forest. Deep Lake, Marble Mts. 1889 Comment
  UCD78179  Trifolium glomeratum Robert E. Preston 2008-5-13 2631 Siskiyou Along Hwy 96, ca. 11.6 miles N of the confl of the Klamath River and Salmon River. 229 Comment
  CHSC91386  Trifolium hirtum Lowell Ahart; John Dittes 2005-6-10 12074 Siskiyou Overflow area, on the north side of the Shasta River, about 100 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CAS-BOT-BC219036  Trifolium howellii K. T. Stillman 1976-7-31 355 Siskiyou Marble Mountain Wilderness Area. Ridge north of Jump off. Seep 1/2 mi. south of Paradise Lake Comment
  HSC42955  Trifolium howellii J. O. Sawyer, Ken Stillman 1976-7-1 2782 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  HSC61930  Trifolium howellii Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 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
  UC1152151  Trifolium howellii Joseph P. Tracy 1950-7-20 19210 Siskiyou Flint Valley 1402 Comment
  JEPS48903  Trifolium hybridum Geo. D. Butler 1908-7-8 387 Siskiyou near Yreka (Butler's Ranch, along creek) Comment
  UC637129  Trifolium hybridum Edward Lee 1934-8-10 1016 Siskiyou near Hamburg (s bank of Klamath River betw Mckinney and Parkhouse Creeks) 609 Comment
  HSC30415  Trifolium hybridum Frederick W. Oettinger 1969-8-1 1130 Siskiyou Wiregrass Meadow near English Lake 1707 Comment
  HSC58923  Trifolium longipes Marvin Butler 1971-7-6 20 Siskiyou Near El Capitan, close to Cave Junction 1 Comment
  JEPS82520  Trifolium longipes Gilbert Muth 1966-8-3 500 Siskiyou Marble Valley horse pasture Marble Mtn Wilderness Area 1792 Comment
  JEPS93906  Trifolium longipes var. elmeri Vernon H. Oswald and Lowell Ahart 1998-8-3 9435 Siskiyou w of Kangaroo Lake (near the Pacific Crest Trail in the Scott Mountains); Scott Mountains 1981 Comment
  UC164161  Trifolium macrocephalum Geo. D. Butler 1909-4-14 639 Siskiyou Dry hill Yreka Comment
  UC52259  Trifolium macrocephalum W. T. Mooney May 1903 Siskiyou Yreka Comment
  HSC71623  Trifolium microcephalum J. P. Smith 1973-5-5 6559 Siskiyou Scott Bar along the Scott River Comment
  CAS-BOT-BC230885  Trifolium productum John Thomas Howell 1939-8-9 15223 Siskiyou Ridge south of Marble Valley, Marble Mts. Comment
  RSA183661  Trifolium repens Gilbert Muth 1965-8-16 229 Siskiyou Marble Valley Guard Station, Marble Mountains Comment
  UC144271  Trifolium variegatum var. melananthum A. A. Heller 1905-6-5 7964 Siskiyou between Shasta Retreat and Shasta Springs Comment
  HSC44484  Trifolium willdenovii K. Irwin 1977-5-22 391 Siskiyou On South Fork Salmon River Rd., 4 mi. E of Cecilville Comment
  POM20470  Trifolium wormskioldii Geo. D. Butler 1909-6-26 915 Siskiyou Yreka. Comment
  CHSC91177  Triglochin concinna var. debilis Lowell Ahart; John Dittes 2005-6-9 11999 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
  UC1181807  Trillium chloropetalum Dorothy Parker 1950-4-22 405 Siskiyou Etna Creek Siskiyou Mts., Salmon Mts., Etna Creek 914 Comment
  HSC30709  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1967-7-10 190 Siskiyou Marble Mtn. Wilderness Area, near hairpin turn of Music Creek logging road along Statue Creek 1732 Comment
  HSC77003  Trillium ovatum subsp. oettingeri K. T. Stillman 1976-6-25 86 Siskiyou Marble Mtn. Wilderness Area, N side of Elk Valley. 1799 Comment
  HSC30665  Trisetum canescens Frederick W. Oettinger, R. F. Thorne 1969-8-4 1158 Siskiyou Salmon Mountains, above Halfway Spring on trail from English Lake to Diamond Lake 1829 Comment
  RSA238976  Trisetum spicatum Frederick W. Oettinger 1968-9-6 734 Siskiyou Trail southeast of Tom's Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  HSC58903  Triteleia hyacinthina Marvin Butler 1971-7-21 188 Siskiyou Near Bell Echo Camp, close to town of Cave Junction. 1433 Comment
  UCSB24893  Triteleia hyacinthina Keefe, Joseph 1967-7-11 Siskiyou Little Castle Lake, southwest of Castle Lake, 10 miles southwest of the city of Mt. Shasta 1981 Comment
  CAS-BOT-BC524312  Triteleia ixioides subsp. anilina R. F. Hoover 1940-6-6 15083 Siskiyou Along Castle Lake road 1219 Comment
  LA22001  Triteleia ixioides subsp. anilina W. B. C. after 1939 material so determined by Robert Hoover; 1938-7-15 11238 Siskiyou Mount Shasta, Wagon Camp meadow 1737 Comment
  RSA120636  Tsuga mertensiana G. D. Barbe 1955-8-1 322 Siskiyou Southeast of Craggy Lookout on Mt. Bolwar, Scott Mountains. 2256 Comment
  RSA167136  Tsuga mertensiana J. M. Tucker 1963-7-8 3734 Siskiyou East side of Black Mountain, ca. 1 mile north of Marble Valley, Marble Mountain Wilderness Area. 1982 Comment
  RSA237586  Tsuga mertensiana Frederick W. Oettinger 1967-8-26 327 Siskiyou Trees off north eastern side of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  UCD135153  Tsuga mertensiana John M. Tucker 1963-7-5 3708 Siskiyou Lower Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1524 Comment
  SEINET4854382  Tsuga mertensiana subsp. grandicona Carl B. Wolf 1934-7-5 5970 Siskiyou Siskiyou Mountains, 2.8 mi from Dry Lake Lookout on road to Horse Creek. 2134 Comment
  CAS-BOT-BC74102  Turritis glabra Ira L. Wiggins 1955-7-22 13446 Siskiyou In south fork of Salmon River, 9.5 miles above Cecilville. 1066 Comment
  HSC68372  Typha latifolia J. P. Smith, Steve Selva 1970-7-15 4354 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  HSC67866  Uropappus lindleyi J. P. Smith 1976-5-5 8677 Siskiyou Road from Sawyers Bar to Somes Bar, just W of Sawyers Bar 671 Comment
  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
  CAS-BOT-BC199198  Vaccinium cespitosum Wm. Bridge Cooke 1940-7-5 15266 Siskiyou At Wagon Camp Comment
  HSC19245  Vaccinium cespitosum J. O. Sawyer, Steve Selva 1969-8-1 1653 Siskiyou Along trail to Little Duck Lake 1951 Comment
  POM77558  Vaccinium cespitosum Geo D. Butler 1910-7-11 1740 Siskiyou Upper Campbell Lake. 1677 Comment
  CAS-BOT-BC199227  Vaccinium membranaceum Doris K. Kildale 1929-7-20 8592 Siskiyou East spur of Preston Peak above Rockefeller Lake 2133 Comment
  CAS-BOT-BC199231  Vaccinium membranaceum W. R. Dudley 1901-8-18 s.n. Siskiyou Shore of Jackson Lake, Salmon Mountains Comment
  CAS-BOT-BC199236  Vaccinium membranaceum Joseph P. Tracy 1935-8-1 14419 Siskiyou Head of Knownothing Creek, 3 mi. E. of Salmon Summit 1767 Comment
  HSC22413  Vaccinium membranaceum J. O. Sawyer 1969-8-1 1606 Siskiyou Horseshoe Lake 1921 Comment
  HSC65418  Vaccinium membranaceum R. White 1978-7-3 206 Siskiyou Saddle in spur ridge between Dillon Trail and 5759 Comment
  RSA238867  Vaccinium membranaceum Frederick W. Oettinger 1968-8-1 344 Siskiyou SW side of Little Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  CHSC32719  Vaccinium parvifolium J. P. Smith; Steve Selva 1970-7-15 4352 Siskiyou Klamath Nat'l Forest; road to Happy Camp. 731 Comment
  HSC23552  Vaccinium parvifolium J. O. Sawyer 1970-7-3 2313 Siskiyou W of Camp 3 Comment
  HSC73316  Vaccinium parvifolium Gail Newton 1980-6-20 496 Siskiyou Near Bald Mtn. 1097 Comment
  LA44769  Vaccinium uliginosum subsp. occidentale Wm. Bridge Cooke; 1939-7-7 13606 Siskiyou Mount Shasta, Wagon Camp 1737 Comment
  UC1408885  Vaccinium uliginosum subsp. occidentale F. W. Oettinger 1969-8-23 1512 Siskiyou Smith Lake, w Siskiyou County Salmon Mountains 1417 Comment
  CAS-BOT-BC76064  Vancouveria hexandra Lillian Mott 1976-7-9 47 LM76 Siskiyou Trail to spring, Cook and Green Pass. 1463 Comment
  RSA238572  Vancouveria hexandra Frederick W. Oettinger, R. Thorne 1969-8-6 1232 Siskiyou Northwest of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  HSC100298  Ventenata dubia J. P. Smith, & J. O. Sawyer 2011-6-25 13254 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  JEPS25662  Veratrum californicum var. californicum Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7305 Siskiyou 4 air-line mi nne Preston Peak (just e of Del Norte County line, meadow at Twin Valley, watershed of Indian Creek); Siskiyou Mts., Indian Creek, Twin Valley 1493 Comment
  HSC34260  Veratrum viride J. P. Smith, J. O. Sawyer 1973-8-14 7310 Siskiyou Around Cliff Lake 1860 Comment
  SEINET6221076  Verbascum blattaria A. D. Youngberg 1964-1 21 Siskiyou Happy Camp Airport. R7E T16N sec 10, Humbolt Meridian. Comment
  RSA13898  Verbena lasiostachys var. lasiostachys Louis C. Wheeler 1934-10-11 3315 Siskiyou Siskiyou Mountains: Oak Knoll Ranger Station, Klamath River. 671 Comment
  RSA479496  Veronica anagallis-aquatica L. R. Heckard 1971-8-28 2783 Siskiyou Under and east of bridge across Shasta River, ca 5 mi N of Yreka on old US Hwy 99. 732 Comment
  HSC77924  Veronica copelandii Wayne Rolle Aug 1983 Siskiyou N aspect, where the snow stays late, on peridotite 1890 Comment
  POM43384  Veronica copelandii Geo. D. Butler 1908-8-3 31 Siskiyou Log Lake, Shackleford Creek Comment
  HSC73320  Veronica peregrina subsp. xalapensis Gail Newton 1980-6-20 458 Siskiyou Near Bald Mtn. 1097