Search Results — 2000 specimen records retrieved (1380 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
  UCD134142  Abies concolor Robert E. Preston 2001-6-30 1649 c Siskiyou Klamath National Forest, Rainbow Mountain, north slope of east lobe. 1920 Comment
  HSC5001  Abies lasiocarpa J. O. Sawyer 1969-8-2 1696 Siskiyou Slopes W of Little Duck Lake 2226 Comment
  HSC66074  Abies lasiocarpa Timothy B. Devine 1976-10-23 364 Siskiyou NW side of little Duck Lake 2043 Comment
  RSA226606  Abies lasiocarpa J. O. Sawyer 1969-7-3 1440 Siskiyou North of Russian Lake 2148 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
  HSC4978  Abies procera J. O. Sawyer 1968-9-11 693 Siskiyou Ridge S of Twin Valley 1524 Comment
  RSA237206  Abies procera Frederick W. Oettinger 1968-9-10 810 Siskiyou Slope N of Franz Peak NW of English Peak. Salmon Mtns. High Lake basins in the vicinity of English Peak Marble Mountain Wilderness area; 2104 Comment
  UC1043450  Acer circinatum P. C. Everett and E. K. Balls 1954-10-11 20270 Siskiyou on road to Castle Lake 3 mi sw from town Mt. Shasta; S Fork Sacramento River, on road to Castle Lake 883 Comment
  HSC29476  Acer glabrum var. torreyi Frederick W. Oettinger 1969-8-5 1206 Siskiyou Marble Mtn. Wilderness Area, Willow Springs on trail between Abbotts Upper Cabin and English Lake 1677 Comment
  CAS-BOT-BC332785  Acer macrophyllum Alice Eastwood 1917-9-2 6654 Siskiyou Shasta Springs Comment
  HSC68540  Acer macrophyllum Maralyn A. Renner 1980-6-25 1113 Siskiyou Little South Fork Indian Creek, W Fork 1220 Comment
  POM85908  Acer negundo subsp. californicum Geo. D. Butler 1910-6-30 1617 Siskiyou [Unspecified] Comment
  CAS-BOT-BC30435  Achillea millefolium Carl B. Wolf 1927-8-26 1021 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  HSC67706  Achillea millefolium John Palmer 1980-7-24 606 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  UCSB6310  Achillea millefolium Phillips, Priscilla 1960-6-13 Siskiyou Rt. 97, 11 miles north of Weed, lowers slopes of Mt. Shasta 1097 Comment
  CAS-BOT-BC18863  Achillea millefolium David D. Keck 1938-8-7 4850 Siskiyou 1 mi. N of Schmitt Mill on road between Gazelle and Callahan, Scott Mtns. 1463 Comment
  HSC68423  Achillea millefolium Maralyn A. Renner 1980-1-10 872 Siskiyou Ridge 1 mile south of Greenhorn Road and 1 mile east of Mill Creek 1341 Comment
  UC637079  Achlys californica Edward Lee 1934-8-13 1085 Siskiyou Happy Camp to Waldo (Oregon) rd., watershed of W. Branch Indian Creek Klamath Nat'l Forest, W. Branch Indian Creek 1463 Comment
  HSC69569  Achlys triphylla Maralyn A. Renner 1980-8-6 2268 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  RSA238570  Achlys triphylla Frederick W. Oettinger 1969-9-4 1669 Siskiyou Near gap between Tobacco Lake and Toms Lake Basin (in Tobacco Lake Basin), Salmon Mountians, the High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1829 Comment
  JEPS450  Achnatherum lemmonii Geo. D. Butler 810 Siskiyou near <Y?>reka Comment
  UCD50980  Achnatherum occidentale B. A. Madson 1948-1 s.n. Siskiyou Mt. Hebron Pass. Comment
  UCD50984  Achnatherum occidentale H. S. Yates 1936-6-21 5827 Siskiyou N base of Wintoon Butte. 1219 Comment
  UCD55558  Achnatherum occidentale L. Whitney 1934-6-29 2193 Siskiyou Antelope Creek, near Tennant. 1463 Comment
  CAS-BOT-BC210867  Achnatherum occidentale subsp. californicum John Thomas Howell 1939-8-9 15242 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  SEINET255882  Achnatherum occidentale subsp. pubescens Mary E. Barkworth, LR Firestone 1982-8-30 4094 Siskiyou Off I-15 8 or 9 mi S of Weed exchange bewteen Weed and Mt Shasta along roadsides Comment
  CAS-BOT-BC218014  Achnatherum thurberianum Elmer I. Applegate 1935-6-8 9442 Siskiyou Pera Paw Cave, Lava Beds National Monument Comment
  UC196951  Achnatherum thurberianum Geo. D. Butler 1910-5-4 1277 Siskiyou near Yreka Comment
  UCD103804  Acmispon americanus var. americanus A. A. Heller 1916-6-23 12430 Siskiyou Near Black Butte north of Sisson. 1127 Comment
  CHSC118648  Acmispon denticulatus Richard R. Halse 2016-5-29 9718 Siskiyou Along Hilt Road ca. 2.1 miles northwest of Hilt on the Oregon/California State Line. 876 Comment
  UC166139  Aconitum columbianum Geo. D. Butler 1910-7-13 1774 Siskiyou Schackleford Creek 1219 Comment
  UCD95368  Aconitum columbianum A. H. Murphy 1956-8-16 56 FF Siskiyou Tangle Blue Lake. 1767 Comment
  CAS-BOT-BC391506  Aconitum columbianum subsp. columbianum L. E. Smith 1913-7-27 498 Siskiyou McCloud Comment
  HSC22297  Aconitum columbianum subsp. columbianum J. O. Sawyer 1969-8-5 1734 Siskiyou W of Little Duck Lake 2073 Comment
  CAS-BOT-BC391510  Aconitum columbianum subsp. columbianum A. A. Heller 1927-8-1 14433 Siskiyou At the State Teachers College, near Shasta City (Sisson) 1074 Comment
  CAS-BOT-BC391529  Aconitum columbianum subsp. columbianum W. R. Dudley 1893-6-21 s.n. Siskiyou Klink's Meadow near Sisson's Comment
  HSC60156  Aconogonon davisiae D. L. Goforth 1979-7-7 227 Siskiyou Klamath National Forest. Condrey Mtn. 2043 Comment
  CAS-BOT-BC412916  Aconogonon davisiae Louis C. Wheeler 1934-7-14 2903 Siskiyou Head Jaynes Canyon, Siskiyou Mts. 2042 Comment
  CAS-BOT-BC418811  Aconogonon phytolaccifolium L. R. Short 1933-8-7 103 Siskiyou Klamath National Forest. Marble Mt 1792 Comment
  JEPS80534  Actaea rubra Gilbert Muth 1966-7-17 399 Siskiyou trail to Lookout (Marble Mt. Wilderness Area); Marble Mt. Wilderness Area 1798 Comment
  CAS-BOT-BC29323  Adenocaulon bicolor Edward Lee 1934-8-13 1091 Siskiyou Watershed of west branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest. 1463 Comment
  HSC30618  Adenocaulon bicolor Frederick W. Oettinger 1969-8-9 1317 Siskiyou Along main N Fork trail between 5 mile stock gate and Abbott's Upper Cabin, Salmon Mountains 1357 Comment
  UC399476  Adiantum aleuticum Geo. D. Butler 1908-8-2 247 Siskiyou Shackleford Creek Comment
  UCD137057  Adiantum aleuticum B. Crampton 1956-8-21 3836 Siskiyou White Ridge, canyon of the South Fork of the Sacramento River. 1371 Comment
  UC1475696  Agastache parvifolia Clifton and Ground 1978-6-19 1310 Siskiyou near Bray (close to town of Macdoel); Bray Quad. 1403 Comment
  JEPS80551  Agastache urticifolia Gilbert Muth 1965-8-11 206 Siskiyou Marble Mt. Wilderness Area 1792 Comment
  CAS-BOT-BC29446  Ageratina occidentalis John Thomas Howell 1939-8-2 14893 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  RSA238885  Ageratina occidentalis Frederick W. Oettinger 1968-8-23 616 Siskiyou Diamond Lake spillway half way up to English lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  SDSU6844  Ageratina occidentalis D. F. Howe 1964-8-6 3942 Siskiyou 3.5 miles south of Happy Camp on #96, Klamouth National Forest. 152 Comment
  UC1199313  Ageratina occidentalis Joseph P. Tracy 1935-8-2 14433 Siskiyou ne side along trail Youngs Peak; North Coast Regions, Youngs Peak 1524 Comment
  CAS-BOT-BC15478  Agoseris X dasycarpa Elmer I. Applegate 1923-8-17 3845 Siskiyou West side of Medicine Lake Comment
  HSC4755  Agoseris aurantiaca William J. Ferlatte 1966-8-5 322 Siskiyou N side of Caribou Mtn. 1921 Comment
  JEPS97916  Agoseris aurantiaca var. aurantiaca R. Raiche, H. Forbes, K Zadnik 1989-4-10 61 Siskiyou W of Weed, 5.4 km. on Parks Creek Rd. toward Mt. Eddy from Stewart Springs Rd. 1506 Comment
  POM33130  Agoseris glauca var. dasycephala Geo. D. Butler 1910-6-19 1589 Siskiyou Goosenest Foothills. 1524 Comment
  POM33128  Agoseris grandiflora Geo. D. Butler 1910-6-10 1555 Siskiyou Near Yreka. Comment
  UC163887  Agoseris grandiflora Geo. D. Butler 1910-6-10 1555 Siskiyou Comment
  CAS-BOT-BC15380  Agoseris grandiflora var. grandiflora Louis C. Wheeler 1934-6-11 2683 Siskiyou North Hungry Creek, Siskiyou Mountains 1310 Comment
  CAS-BOT-BC22771  Agoseris heterophylla Elmer I. Applegate 1936-5-19 10322 Siskiyou Lava Beds National Monument, between Indian Wells and Three Sisters. Comment
  CAS-BOT-BC22774  Agoseris heterophylla Lewis S. Rose 1945-6-18 45108 Siskiyou Horse Creek and Klamath River 502 Comment
  HSC67938  Agoseris heterophylla J. P. Smith 1973-5-5 6479 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC67939  Agoseris heterophylla J. P. Smith 1973-5-5 6481 Siskiyou Along Cook and Green Pass Rd. Comment
  SBBG30514  Agoseris heterophylla D. Myrick 1968-6-28 2052 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  POM33129  Agoseris heterophylla Geo. D. Butler 1910-5-23 1402 Siskiyou Dry land near Yreka Comment
  CAS-BOT-BC13472  Agoseris retrorsa J. H. Thomas 1954-5-13 4162 B Siskiyou Salmon Mountains, Klamath National Forest, near S Fork of Salmon River, 5 to 9 miles SE Cecilville. Along Rush Creek. 1127 Comment
  UCD128661  Agoseris retrorsa Wm. E. Moon 1958-5-29 s.n. Siskiyou State Highway 97, 12 miles northeast of Weed. 1219 Comment
  RSA13870  Agrostis exarata L. C. Wheeler 1934-6-26 2792 Siskiyou Siskiyou Mountains, Cottonwood Creek. 838 Comment
  UCD37086  Agrostis exarata Beecher Crampton 1956-8-21 3829 Siskiyou Siskiyou County, 0.5 mile northeast of Gumboot Lake. 1767 Comment
  CAS-BOT-BC139567  Agrostis gigantea W. B. Cooke; V. G. Cooke 1976-10-17 53783 Siskiyou Little Bear Springs, Mount Shasta. 1584 Comment
  HSC65332  Agrostis gigantea J. P. Smith, J. O. Sawyer 1973-8-15 7329 Siskiyou N of Angel Lake 2012 Comment
  RSA238366  Agrostis humilis Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1243 Siskiyou Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1883 Comment
  HSC30557  Agrostis pallens Frederick W. Oettinger 1969-9-2 1587 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow near Tom Taylor Cabin 2165 Comment
  UC1265309  Agrostis pallens Frederick W. Oettinger 1969-8-16 1411 Siskiyou open level area near Wiregrass Meadows (near English Lake Basin); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  SEINET7594121 Image available Agrostis pallens F. W. Oettinger 1968-1 681 Siskiyou west of Horse Range Lake, Salmon Mountains 1905 Comment
  HSC65669  Agrostis scabra Donald W. Miles 1979-7-21 21 Siskiyou Near Black Fox Mt., 20 mi. NE of McCloud, 3/4 way up Shirttail Canyon. 1585 Comment
  HSC65670  Agrostis scabra Donald W. Miles 1979-7-23 22 Siskiyou 8 mi. N of Pondosa CDF station, short road spur off of Short Grade Rd. 1012 Comment
  UC1108539  Agrostis scabra Ira L. Wiggins 1955-7-22 13448 Siskiyou 9.5 mi above Cecilville; South Fork of Salmon River 1066 Comment
  UC1153941  Agrostis scabra Alfred H. Murphy 1957-8-16 56 W Siskiyou Tangle Blue Lake Klamath National Forest 1767 Comment
  RSA238348  Agrostis stolonifera Frederick W. Oettinger 1969-8-16 1397 Siskiyou Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UC2046868  Agrostis stolonifera R. E. Brainerd 2014-7-6 2316 Siskiyou Siskiyou County: Klamath River Canyon; Randolph Collier Rest Area on Interstate 5; 10.7 road miles north of Yreka. Comment
  UCD53518  Agrostis stolonifera Geo. D. Butler 1909-6-28 852 Siskiyou Almy Creek, near Yreka. Comment
  UCD53609  Agrostis stolonifera Mr. Roseman 1913-1 1 Siskiyou Butte Valley Comment
  HSC22464  Agrostis thurberiana J. O. Sawyer 1969-8-1 1616 Siskiyou On trail to Eaton Lakes. 1799 Comment
  HSC30598  Agrostis thurberiana Frederick W. Oettinger 1968-9-5 713 Siskiyou Marble Mtn. Wilderness Area, English Lake Basin, Base Camp meadow. 1936 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
  POM259583  Agrostis variabilis J. T. Howell 1939-8-9 15214 Siskiyou Sky High Valley, Marble Mountains. 1829 Comment
  UCD53690  Agrostis variabilis A. H. Murphy 1953-7-29 KNF 14 Siskiyou Steavale Canyon, Kalmath National Forest. 1524 Comment
  CAS-BOT-BC462371  Allium amplectens Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC462375  Allium amplectens Milo S. Baker; Douglas Barbe; H. K. Wagnon 1957-6-16 13164 Siskiyou Callahan Trinity Center Rd to Scott Mountains Comment
  SBBG14883  Allium bolanderi A. I. Richardson 1961-6-8 14 Siskiyou near Cedar Lake, N of Mt Shasta 853 Comment
  RSA120497  Allium campanulatum S. S. Tillett 1956-7-11 698 Siskiyou just N of campground, Scott Mtn divide, Siskiyou - Trinity County line, 8 mile SE of Callahan. 1631 Comment
  UC164284  Allium campanulatum Geo. D. Butler 1908-8-9 111 Siskiyou summit above Cold Spring; Woolly Creek Comment
  CAS-BOT-BC466758  Allium campanulatum W. B. Cooke 1939-7-7 13598 Siskiyou Along the Wagon Camp road just below Wagon Camp, Mount Shasta 1676 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
  CHSC75650  Allium falcifolium Vernon H. Oswald; Kenneth Beatty 1999-6-27 9792 Siskiyou Little Shasta Valley ca. 11 air mi north of Grass Lake, ca. 9 air mi southwest of Meiss lake. 1828 Comment
  HSC91449  Allium falcifolium Jennifer Whipple 1976-6-17 1017 Siskiyou N face of Mt. Eddy 2226 Comment
  CAS-BOT-BC469237  Allium falcifolium Alice Eastwood 1912-8-30 2004 Siskiyou Mount Eddy Comment
  HSC44754  Allium falcifolium J. O. Sawyer 1978-6-19 3259 Siskiyou Marble Mtn. Wilderness, along trail W of Grants Meadow 1860 Comment
  UC3083  Allium falcifolium C. B. Bradley 1897-1 Siskiyou Comment
  UC803883  Allium validum G. L. Stebbins Jr. with P. Dansereau, C. McMillan, and K. Narayan 1949-8-9 4020 Siskiyou 10 mi w Weeds (along Park's Creek, above Stewart Springs); Park's Creek 1219 Comment
  JEPS69370  Allophyllum divaricatum W. L. Jepson July, 1894 15061 Siskiyou Sisson Shasta Region, Sisson Comment
  HSC22207  Allotropa virgata J. O. Sawyer 1969-6-11 813 Siskiyou Ridge next to C.C.C. road, near N fork of Horse Range Creek 1357 Comment
  CAS-BOT-BC171418  Alnus incana subsp. tenuifolia H. A. Thomas; J. H. Thomas 1954-7-24 4505 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC171419  Alnus incana subsp. tenuifolia H. A. Thomas; J. H. Thomas 1954-7-24 4505 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  JEPS24791  Alnus incana subsp. tenuifolia Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6800 Siskiyou Castle Lake; shore, headwaters of Sacramento River 1661 Comment
  UCD77319  Alnus incana subsp. tenuifolia Robert E. Preston 2002-6-20 1863 Siskiyou Klamath National Forest, Rainbow Mountain, north slope 1910 Comment
  CAS-BOT-BC169384  Alnus viridis subsp. sinuata Harley P. Chandler 1901-6-1 1618 Siskiyou Ridges and meadows near Marble Mountain 2133 Comment
  UCD77318  Alnus viridis subsp. sinuata Robert E. Preston 2001-6-23 1627 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W se 1/4 of ne 1/4 Section 15 1676 Comment
  CHSC88411  Alopecurus aequalis Jenny Marr 1993-7-1 170 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UCR143546  Alopecurus aequalis L. C. Wheeler 1934-6-26 2795 Siskiyou Siskiyou Mountains, Cottonwood Creek 838 Comment
  CHSC88382  Alyssum alyssoides Jenny Marr 1993-7-1 187 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS52987  Alyssum alyssoides A. A. Heller 1905-6-17 8054 Siskiyou Sisson Comment
  CDA3621  Alyssum alyssoides F. D. Horn 1977-4-2 Siskiyou ca. 5 km south of Weed. 0 Comment
  HSC68506  Amelanchier alnifolia Maralyn A. Renner 1980-6-22 917 Siskiyou Slopes N of Little Shasta River 1372 Comment
  HSC69199  Amelanchier alnifolia Maralyn A. Renner 1980-9-1 2676 Siskiyou Bear Mtn. 1936 Comment
  CAS-BOT-BC136716  Amelanchier alnifolia var. pumila Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Mumbo Lake, Trinity Mts. 1828 Comment
  HSC41460  Amelanchier alnifolia var. semiintegrifolia J. P. Smith 1973-5-5 6554 Siskiyou Scott Bar along the Scott River Comment
  HSC31799  Amelanchier pallida Steve Selva, Roger Jensen 1974-8-16 7 Siskiyou Above Sugar Lake Comment
  HSC4962  Amelanchier pallida J. O. Sawyer 1968-6-25 313 Siskiyou Along Horse Range Creek 1829 Comment
  RSA211454  Amelanchier pallida William J. Ferlatte 1966-6-23 149 Siskiyou Between campground and S. Fork of the Salmon River. 1524 Comment
  RSA50234  Amelanchier pallida E. K. Balls 1949-7-9 13943 Siskiyou 10.3 miles from Etna on rd. to Sawyer's Bar. Summit of pass over Salmon Mts. 1479 Comment
  CDA40467  Amsinckia menziesii G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2582 Siskiyou Around abandoned railroad station building and tracks, Grenada. Comment
  UCD119751  Amsinckia menziesii Jean H. Langenheim 1957-5-19 4348 Siskiyou Intersection of Miner's Creek Road and Tiger Creek Road, boundary SE 1/4. Comment
  JEPS95387  Anaphalis margaritacea Vernon H. Oswald and Lowell Ahart 1994-8-1 6416 Siskiyou 7.8 mi. s.w.of dam at Lake Siskiyou (Forest Rd. 26 paralleling S. Fork Sacramento R., 1.5 mi. e. of Forest Rd. 40N43) 1341 Comment
  UC165395  Ancistrocarphus filagineus Geo. D. Butler 1909-5-23 718 Siskiyou trodden plains near Yreka Comment
  JEPS13784  Androsace elongata subsp. acuta Geo. D. Butler 1909-3-7 579 Siskiyou Yreka Comment
  HSC4929  Anemone deltoidea J. O. Sawyer 1968-6-18 187 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC64333  Anemone deltoidea J. P. Smith, Steve Selva 1970-6-16 4063 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  UCD13256  Anemone deltoidea K. F. Mawdsley 1996-7-9 9 Siskiyou California, Siskiyou County, Russian Wilderness in Klamath National Forest. From Eaton-Duck Lakes Trailhead. T40N, R9W, southwest 1/4 of Section 18, Eaton Peak 7.5' topo. Elev. 5800. Comment
  RSA50230  Anemone deltoidea E. K. Balls 1949-7-9 13938 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. 1006 Comment
  CAS-BOT-BC391851  Anemone drummondii John Thomas Howell 1939-8-2 14873 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC391855  Anemone drummondii A. A. Heller 1915-7-15 12082 Siskiyou Mt. Eddy 2072 Comment
  UC375345  Anemone drummondii Geo. D. Butler 1908-8-5 45 Siskiyou summit above Cold Spring (Woolly Creek); Woolly Creek Comment
  POM258360  Anemone multifida C. L. Hitchcock, J. S. Martin 1939-7-9 5315 Siskiyou N side of Black Mt. near Marble Mt. (King's Castle). 2073 Comment
  CAS-BOT-BC391978  Anemone occidentalis A. A. Heller 1915-7-15 12077 Siskiyou Mt. Eddy 2072 Comment
  HSC70541  Angelica arguta Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  JEPS14076  Angelica arguta W. L. Jepson 1937-7-30 18564 Siskiyou Siskiyou Mountains, Poker Flat, headwaters of Indian Creek Poker Flat; Siskiyou Mountains, Poker Flat 1584 Comment
  HSC29191  Angelica tomentosa Frederick W. Oettinger 1968-8-14 514 Siskiyou Marble Mountain Wilderness Area, High Lake Basins: 0.1 mi E of Tom Taylor Cabin 2012 Comment
  HSC34298  Angelica tomentosa J. P. Smith, J. O. Sawyer 1973-8-14 7292 Siskiyou W shore of Campbell Lake 1768 Comment
  RSA183708  Angelica tomentosa var. tomentosa Gilbert Muth 1965-8-18 233 Siskiyou Marble Mts.; trail behind Black Mt. Comment
  CAS-BOT-BC59288  Antennaria argentea A. A. Heller 1916-7-20 12475 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1371 Comment
  JEPS120182  Antennaria argentea Julie Kierstead Nelson with Rhonda Posey, Peter Zika, Talitha Derksen 2012-6-21 2012 -054 Siskiyou Headwaters of South Fork Willow Creek, foothills of N side Scott Mountain. Along Rd. 42N42Y .2 mi. E of junction with 42N19 Comment
  UC29469  Antennaria argentea C. B. Bradley 1879-1 Siskiyou Comment
  HSC46193  Antennaria dimorpha Jennifer Whipple 1977-4-30 1890 Siskiyou Scott Valley near Weston Gulch 854 Comment
  RSA48004  Antennaria dimorpha Roxana S. Ferris, Laura Lorraine 1948-6-12 11831 Siskiyou Gazelle Mtn grade, road betw Callahan and Gazelle. 1500 Comment
  CAS-BOT-BC58715  Antennaria geyeri A. A. Heller 1914-8-25 s.n. Siskiyou Deetz Station near Black Butte 1158 Comment
  UCSB63907  Antennaria geyeri Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou Forest Route 15 ca. 1 mi. south of Harris Spring; T42N R2E Sect. 31 1463 Comment
  POM230331  Antennaria media J. T. Howell 1937-7-24 13401 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  CAS-BOT-BC79904  Antennaria microphylla Douglas Barbe 1955-8-1 327 Siskiyou Summit of Mt. Bolivar, Scott Mts. 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
  CAS-BOT-BC102226  Anthemis cotula Alice Eastwood 1912-7-22 1309 Siskiyou Sisson Comment
  SEINET3158979  Antirrhinum vexillo-calyculatum subsp. breweri G. D. Butler 1910-6-17 1569 Siskiyou Humbug Mountain 1067 Comment
  RSA60648  Antirrhinum vexillocalyculatum subsp. breweri Rodney Gregg 1948-8-20 s.n. Siskiyou Along road at Quartz Valley, near Sniktaw Creek. 915 Comment
  HSC100297  Apera interrupta J. P. Smith, & J. O. Sawyer 2011-6-25 13253 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  JEPS74501  Apocynum androsaemifolium W. J. Ferlatte 1966-8-18 408 Siskiyou 3 mi. s. Big Flat; Trinity Alps 1584 Comment
  UC54547  Apocynum androsaemifolium H. M. Hall and E. B. Babcock June, 1903 4050 Siskiyou Mt. Shasta near Sisson; Sierra Nevada 1066 Comment
  UC618796  Apocynum androsaemifolium unknown 1938-7-22 11327 Siskiyou Mt. Shasta, Sisson Southern Trail Comment
  CAS-BOT-BC395147  Aquilegia formosa Doris K. Kildale; J. W. Gillespie 1929-6-25 8364 Siskiyou Klamath River, 6 mi. N of Hornbrook 609 Comment
  CAS-BOT-BC395152  Aquilegia formosa Wm. Bridge Cooke 1938-7-15 11195 Siskiyou Bear Springs, Mount Shasta Comment
  CAS-BOT-BC397938  Aquilegia formosa Annie M. Alexander; Louise Kellogg 1949-7-20 5820 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  CAS-BOT-BC397939  Aquilegia formosa Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  HSC728  Aquilegia formosa William J. Ferlatte 1966-8-17 392 Siskiyou Caribou Basin 1982 Comment
  UC1483511  Aquilegia formosa Maralyn A. Renner 1980-8-21 2556 Siskiyou Kidd Creek Coffee Creek quad., Klamath National Forest 2042 Comment
  UCD95560  Aquilegia formosa J. M. Tucker; D. V. Hemphill 1974-7-26 4288 Siskiyou Let 'Er Buck Meadows, 0.5 mile southeast of Haypress Meadows, Marble Mountain Wilderness Area. 1432 Comment
  HSC46810  Arabis breweri var. breweri William J. Ferlatte 1974-7-15 1544 Siskiyou Grouse Ridge along Trinity Co. line, 100 yds. N of Dorleska Summit 2134 Comment
  RSA52143  Arabis eschscholtziana Dorothy Parker 1948-6-14 s.n. Siskiyou Rail Creek, Plowman s Valley 1204 Comment
  UC1190238  Arabis glabra Ira L. Wiggins 1955-7-22 13446 Siskiyou 9.5 mi above Cecilville; South Fork of Salmon River 1066 Comment
  UC162638  Arabis glabra Harley P. Chandler 1901-6-1 1626 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  POM266023  Arabis holboellii var. pinetorum Lincoln Constance, Reed C. Rollins 1942-5-13 2914 Siskiyou Scott River 10 miles southwest of Scott Bar. 610 Comment
  HSC61149  Arabis holboellii var. retrofracta Al Hobart 1968-6-13 Siskiyou El Capitan Comment
  RSA78819  Arabis holboellii var. retrofracta P. A. Munz 1952-7-2 17897 Siskiyou Baldy Mountain ca. 6 miles west (by air) of Happy Camp. 1738 Comment
  CAS-BOT-BC17371  Arabis oregana Lillian Mott 1976-7-18 37 LM76 Siskiyou Road to Lily Pad Lake west of Cook and Green Pass. 1828 Comment
  HSC90272  Arabis oregana D. L. Goforth 1980-6-27 647 Siskiyou Scott River at Sugarpine Gulch 650 Comment
  JEPS84110  Arabis oregana L. R. Heckard with J. Hickman et al. 1986-7-17 6452 Siskiyou ca 5 mi n Seiad Valley town (s of Lily Pad Lake, trail to Kangaroo Peak); Kangaroo Peak 1820 Comment
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Feb 24 2021
  UC1198306  Arabis oregana Mrs. F. A. Graham 1934-4-1 Siskiyou near Somes Bar 213 Comment
  RSA0129719  Arabis platysperma William J. Ferlatte 1967-8-21 1071 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake; Trinity Alps. 2287 Comment
  RSA0129717  Arabis platysperma var. howellii R. F. Thorne, Frederick W. Oettinger 1969-8-10 38991 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  CAS-BOT-BC27272  Arabis polytricha George Dexter Butler 1909-5-8 723 Siskiyou Near Yreka Comment
  UC1333315  Arabis sparsiflora var. atrorubens Dorothy Parker 1949-5-8 282 Siskiyou Kidder Creek Salmon Mountains Range 914 Comment
  JEPS53186  Arabis subpinnatifida Geo. D. Butler ca. 1909 587 Siskiyou Yreka Comment
  UC165958  Arabis subpinnatifida Geo. D. Butler 1910-4-17 1194 Siskiyou near Yreka Comment
  POM94042  Arabis subpinnatifida Geo. D. Butler 1910-4-17 1194 Siskiyou Near Yreka. Comment
  RSA0128814  Arabis suffrutescens Frederick W. Oettinger 1968-8-16 540 Siskiyou West side of Red Hill N of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2088 Comment
  HSC29159  Arabis suffrutescens var. horizontalis Frederick W. Oettinger 1969-7-15 1026 Siskiyou Marble Mtn. Wilderness Area, between Diamond Lake and Upper English Lake 2012 Comment
  CAS-BOT-BC171700  Aralia californica Carl B. Wolf 1927-8-26 1104 Siskiyou On the Klamath River, 8 mi. above Happy Camp Comment
  RSA138227  Aralia californica P. C. Everett, E. K. Balls 1959-10-24 23942 Siskiyou 6 mi. W from Red Bank F. S. Camp, on road to Somesbar from Sawyers Bar Comment
  UC1585411  Arbutus menziesii R. Raiche, K. Zadnik, and H. Forbes 1989-3-10 UCBG 37 Siskiyou 17 km e of Happy Camp (on Hwy 96, Seiad VAlley area); Seiad VAlley area Comment
  POM268120  Arceuthobium abietinum Marion Ownbey, Fred G. Meyer 1940-7-6 2212 Siskiyou Summit of Cayenne Ridge, near Marble Mountain. Comment
  HSC15899  Arceuthobium campylopodum R. C. Wunner 1965-8-14 431 Siskiyou Lava Beds National Monument, 2 mi. S of Mammoth Crater on Tickner Rd. 1555 Comment
  UC1078871  Arceuthobium douglasii Job Kuijt 1957-6-26 1396 Siskiyou rd to Gumboot Lake Trinity Mtns w of Shasta (s fork of the Sacramento River) 1371 Comment
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Jun 7 2012
  RSA237456  Arceuthobium tsugense Frederick W. Oettinger 1969-9-5 1678 Siskiyou Between Abbotts Lake and Wiregrass Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  SEINET11989680  Arctostaphylos klamathensis Unknown 1982-1 20800 Siskiyou above middle Cliff Lake (& between Terrace Lake & Upper Cliff Lake on cliffs) 1951 Comment
  CAS-BOT-BC45434  Arctostaphylos nevadensis Doris K. Kildale 1929-7-20 8710 Siskiyou Raspberry Lake, upper Indian Creek. 1828 Comment
  HSC4920  Arctostaphylos nevadensis J. O. Sawyer 1968-9-28 750 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  UC21874  Arctostaphylos nevadensis W. H. Brewer 1862-9-13 1381 Siskiyou Mount Shasta 1828 Comment
  CAS-BOT-BC40023  Arctostaphylos nevadensis W. B. C. 1937-7-28 9162 Siskiyou North Ridge Hudsonian 2743 Comment
  CAS-BOT-BC46453  Arctostaphylos patula C. Hart Merriam 1919-10-18 s.n. Siskiyou Baird Fish Hatchery, McCloud River. Comment
  CAS-BOT-BC46482  Arctostaphylos patula Wayne Roderick; Jacob Sigg 1981-8-23 s.n. Siskiyou W. of town of Gazelle near Gazelle summit. 914 Comment
  CAS-BOT-BC46510  Arctostaphylos patula Roxana S. Ferris; Laura Lorraine 1948-6-12 11825 Siskiyou 1 mi. below summit of Gazelle Mt. grade (w. side), Gazelle-Callahan Rd. 1219 Comment
  JEPS38841  Arctostaphylos patula Willis L. Jepson July 1894 14722 Siskiyou near Mt. Shasta; Sisson Comment
  POM77503  Arctostaphylos patula Geo D. Butler 1909-3-7 586 Siskiyou Hills near Yreka. Comment
  RSA211431  Arctostaphylos patula William J. Ferlatte 1967-6-5 492 Siskiyou Big Flat. 1524 Comment
  UC1483421  Arctostaphylos patula Maralyn A. Renner 1980-7-23 1929 Siskiyou w side Upper Devil's Peak; Klamath National Forest, Seiad Valley Quad., Pacific Crest T 1767 Comment
  SEINET11988199  Arctostaphylos patula var. coalescens W. Roderick, Sigg, J. 1981-1 s.n. Siskiyou between Horsetail & Cook & Green Pass 1341 Comment
  CAS-BOT-BC47011  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1929-5-12 7792 Siskiyou Sawyers Bar, n. fork of Salmon River. Comment
  CAS-BOT-BC47096  Arctostaphylos viscida subsp. viscida J. H. Thomas 1954-5-12 4125 Siskiyou Salmon Mountains, Klamath National Forest. Near s. Fork of Salmon River, 5 to 9 mi. se. of Cecilville, between Lat. 41 975 Comment
  UC166124  Arenaria congesta var. congesta Geo. D. Butler 1909-6-22 965 Siskiyou Goosenest foothills Comment
  POM163880  Arenaria congesta var. suffrutescens E. B. Copeland 1903-8-18 3908 Siskiyou Mt. Eddy. 2073 Comment
  UC796528  Arenaria serpyllifolia subsp. serpyllifolia Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11721 Siskiyou w Callahan (French Creek Loggin Road) 1066 Comment
  UC1192153  Arnica chamissonis Herbert L. Mason 1948-7-18 13608 Siskiyou Grass Lake Comment
  RSA237480  Arnica cordifolia Frederick W. Oettinger 1969-7-16 1038 Siskiyou SSW of Abbott's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  RSA237583  Arnica cordifolia Frederick W. Oettinger 1969-8-1 1122 Siskiyou SW just above Wiregrass Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1707 Comment
  CAS-BOT-BC82551  Arnica discoidea Alice Eastwood; John Thomas Howell 1937-6-26 5047 Siskiyou Salmon Mts. near Taylor Creek Comment
  HSC61861  Arnica discoidea Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  RSA237228  Arnica discoidea Frederick W. Oettinger 1967-6-28 134 Siskiyou Kelly Gulch (tributary to Salmon River). The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 616 Comment
  UC1409500  Arnica discoidea F. W. Oettinger 1969-8-9 1323 Siskiyou along, (between Fivemile Stockgate & Abbott's Upper Cabin, main trail) North Fork Trail; Salmon Mts. 1097 Comment
  UC933412  Arnica discoidea Annie M. Alexander 1948-9-14 5620 Siskiyou on open slope near mouth of Canyon Creek; Scott River 762 Comment
  UC1408755  Arnica latifolia Frederick W. Oettinger 1968-8-10 460 Siskiyou high lake basins in vicinity of English Peak ((along old Hancock Lake trail to Diamond Lake)); Salmon Mountains, Marble Mountain Wilderness Area, English P 1973 Comment
  UCSB13057  Arnica latifolia Dearing, Hugh; Dearing, Margaret 1939-7-1 Siskiyou West of Etna on Etna Creek 1219 Comment
  SEINET3098740 Image available Arnica latifolia C. L. Hitchcock, J. S. Martin 1939-7-7 5233 Siskiyou On road to Bolan Lake, 5 miles from cut-off at junction with Takilma-Happy Camp road. 1770 Comment
  UC722579  Arnica latifolia C. L. Hitchcock and J. S. Martin 1939-7-7 5233 Siskiyou on rd to Bolan Lake ((5 mi from cut-off at juction with Takilma-Happy Camp rd)) 1767 Comment
  CHSC69068  Arnica longifolia Vernon H. Oswald; Lowell Ahart 1997-7-28 8790 Siskiyou Southeast of Medicine Lake at Paynes Springs. 1981 Comment
  RSA120940  Arnica longifolia subsp. myriadenia H. K. Wagnon 1957-8-11 1713 Siskiyou East slope of Mt. Shasta, along Ash Cr., ca. 1 mi N of Military Pass Rd. Comment
  CAS-BOT-BC82773  Arnica mollis W. B. Cooke; V. G. Cooke 1946-8-29 17629 Siskiyou along Squaw Creek, Mt. Shasta 2286 Comment
  HSC22152  Arnica mollis J. O. Sawyer 1969-8-18 1984 Siskiyou Above South Sugar Creek 2134 Comment
  UC1408811  Arnica parryi Frederick W. Oettinger 1969-7-28 1087 Siskiyou Tom's Upper Pond (above) Marble Mountain Wilderness Area, English Peak, The Salmon Mo 2026 Comment
  CAS-BOT-BC85047  Arnica spathulata Volney Rattan 1903-1-1 s.n. Siskiyou Siskiyou Mts. Comment
  CAS-BOT-BC90082  Arnica viscosa Bassett Maguire 1939-8-8 13833 Siskiyou in the valley of Horse Camp Creek 2468 Comment
  UC892236  Arnica viscosa Alice Eastwood 1912-9-1 2055 Siskiyou Mt. Shasta Comment
  JEPS94078  Artemisia douglasiana Vernon H. Oswald and Lowell Ahart 1998-9-8 9602 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi. w. of Mosquito Lake and Whitehorse Flat Reservoir 1112 Comment
  HSC30276  Artemisia douglasiana William J. Ferlatte 1971-9-18 1371 Siskiyou Big Flat, near public campground 1524 Comment
  CAS-BOT-BC90783  Artemisia ludoviciana subsp. ludoviciana John Thomas Howell 1939-8-8 15146 Siskiyou Black Mt., Marble Mts. Comment
  UCR37828  Artemisia norvegica subsp. saxatilis K. T. Stillman 1976-7-9 220 Siskiyou Marble Mountain Wilderness Area [Kings Castle], Scott Bar 15' Q. 2141 Comment
  HSC18555  Aruncus dioicus var. acuminatus C. B. Wolf 1927-8-27 1139 Siskiyou Mouth of Crawford Creek, Klamath river Comment
  UC12124  Aruncus dioicus var. pubescens C. B. Bradley 1879-1 Siskiyou Comment
  CAS-BOT-BC447713  Aruncus dioicus var. vulgaris Dorothy Parker 1947-5-31 188 Siskiyou Kidder Creek, Scott Valley 853 Comment
  CAS-BOT-BC400599  Asarum caudatum J. M. Tucker; L. K. Mann 1963-7-9 3736 Siskiyou Canyon Creek Trail, ca. 1 mile east of Marble Valley Guard Station, Marble Mountain Wilderness Area 1524 Comment
  RSA416100  Asarum caudatum L. C. Wheeler 1934-8-9 3071 Siskiyou Jaynes Canyon (Mt. Diablo Mer.) 1738 Comment
  UC1313032  Asarum caudatum J. M. Tucker 1963-7-9 3736 Siskiyou Canyon Creek Trail, ca. 1 mile east of Marble Valley Guard Station, Marble Mountain Wilderness Area 1524 Comment
  CAS-BOT-BC400693  Asarum hartwegii J. H. Thomas 1954-5-13 4132 Siskiyou Southwestern Siskiyou County. Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Vicinity of Blind Horse Creek 1066 Comment
  CAS-BOT-BC400704  Asarum hartwegii John Thomas Howell 1937-7-26 13542 Siskiyou Caribou Gulch Comment
  SEINET999811  Asclepias fascicularis Mark Fishbein, Lane Greer 2006-1 5886 Siskiyou Along Hill Road, 0.5 mi south of Devil's Homestead, Lava Beds National Monument, about 3.75 mi north-northwest of Schonochin Butte. 1285 Comment
  POM130031  Asclepias fascicularis E. B. Copeland 1903-7-4 3558 Siskiyou Klamathon Comment
  SEINET3158828  Asclepias speciosa G. D. Butler 1910-6-8 1557 Siskiyou near Yreka Comment
  SDSU2732  Asclepias speciosa D. F. Howe 1979-6-26 5112 Siskiyou 0.3 mile south of #3 on Little Shasta road near Yreka. Comment
  CAS-BOT-BC69552  Aspidotis densa Ira L. Wiggins 1955-7-27 13533 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area. 2042 Comment
  SBBG17697  Aspidotis densa M. A. Piehl 1956-8-14 Siskiyou N of Happy Camp Comment
  UC371157  Aspidotis densa G. D. Butler 1908-8-4 239 Siskiyou head of Shackleford Creek 1676 Comment
  SEINET10568096  Aspidotis densa David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-3 Dunn 20652 Siskiyou Vicinity of the Campground on the Salmon River, 8.3 mi W of Cecilville. Yellow pine forest with Douglas Fir. Area with mostly metamorphic rocks. Area very rocky and gravelly. Comment
  RSA238702  Aster alpigenus Frederick W. Oettinger 1969-8-19 1452 Siskiyou Along the Tanner's Peak Trail, 1/2 mi, NEE of the summit of David Mt. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  CDA10253  Aster frondosus E. Hale 1985-9-9 Siskiyou 2 miles south of Highway 97 on State Line Road, northeast of Dorris. 0 Comment
  CHSC71297  Astragalus curvicarpus Vernon H. Oswald; Lowell Ahart 1998-6-11 9183 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northwest of Weed. 1066 Comment
  CDA26647  Astragalus curvicarpus T. C. Fuller 1965-6-2 13591 Siskiyou Big Springs district, north slope of Mt. Shasta, road from Grenada, 8.3 miles northwest of Dorris-Weed Highway. 0 Comment
  UCD104694  Astragalus curvicarpus M. F. Wojciechowski; M. J. Sanderson 1998-6-17 809 Siskiyou Roadside, along US highway 97 at California-Oregon border. Comment
  UC1096785  Astragalus filipes Milo S. Baker 1957-6-16 13150 Siskiyou trip to Scott Mt. ca 5-6 mi from Turn Off near Callahan; near Callahan Comment
  CAS-BOT-BC187166  Astragalus lentiginosus var. floribundus Alice Eastwood; John Thomas Howell 1940-6-14 8271 Siskiyou Lava Beds Nat. Mon. near Schonchin Butte Comment
  CAS-BOT-BC187306  Astragalus lentiginosus var. lentiginosus A. A. Heller 1905-6-19 8062 Siskiyou Grenada Station Comment
  CAS-BOT-BC192966  Astragalus purshii var. purshii L. E. Smith 1913-5-18 231 Siskiyou Bray Comment
  CHSC63399  Astragalus whitneyi var. siskiyouensis Vernon H. Oswald; Lowell Ahart 1994-7-11 6398 Siskiyou Forest Rd. 26 (to Mt. Shasta) 0.6 mi N of Gumboot Trailhead on the Pacific Crest Trail, W of Dunsmuir. 1926 Comment
  HSC71340  Astragalus whitneyi var. siskiyouensis J. P. Smith 1974-5-26 7384 Siskiyou Along FS Rd. 47N03 1524 Comment
  POM120355  Athyrium americanum Geo D. Butler 1910-7-10 1738 Siskiyou Upper Carufehell Lake. 1677 Comment
  RSA237517  Athyrium americanum Frederick W. Oettinger 1968-8-24 631 Siskiyou Inlet meadow to Toms Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2058 Comment
  UC185191  Athyrium distentifolium var. americanum Geo. D. Butler 1910-7-10 1738 Siskiyou Upper Campbell Lake 1676 Comment
  HSC29367  Athyrium distentifolium var. americanum Frederick W. Oettinger 1968-8-24 631 Siskiyou Marble Mtn. Wilderness Area, near Tom's Lake 2058 Comment
  JEPS35151  Athyrium distentifolium var. americanum Joseph P. Tracy 1935-8-1 14416 Siskiyou on ridge between Salmon and New Rivers (extreme head of W Fork of Knownothng Creek, Rock Lake) 1889 Comment
  RSA126271  Athyrium filix-femina subsp. cyclosorum I. L. Wiggins 1955-7-24 13500 Siskiyou Trail at crossing of China Creek, above diversion dam Comment
  RSA577149  Athyrium filix-femina subsp. cyclosorum L. C. Wheeler 1934-8-10 3094 Siskiyou Siskiyou Mountains, Jaynes Canyon 1372 Comment
  CAS-BOT-BC17613  Athysanus pusillus L. E. Smith 1914-5-6 657 Siskiyou Yreka. Comment
  RSA422252  Atriplex L. C. Wheeler 1934-10-21 3329 Siskiyou Shasta Valley 4 mi E Grenada 869 Comment
  HSC42912  Balsamorhiza deltoidea J. O. Sawyer, Ken Stillman 1976-7-2 2822 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  UC456083  Balsamorhiza deltoidea I. J. Condit 1911-7-10 Siskiyou Shasta Retreat, old logging road Shasta Retreat 914 Comment
  HSC69198  Barbarea orthoceras Maralyn A. Renner 1980-9-1 2687 Siskiyou Bear Mtn. 1936 Comment
  HSC73354  Barbarea orthoceras Gail Newton 1980-6-20 446 Siskiyou Near Bald Mtn. 1097 Comment
  HSC4358  Bassia hyssopifolia L. C. Wheeler 1934-10-21 3332 Siskiyou Shasta Valley 4 mi. E of Grenada 869 Comment
  HSC58852  Berberis aquifolium var. aquifolium Marvin Butler 1971-7-11 93 Siskiyou Near Youngs Valley, close to the town of Cave Junction 1403 Comment
  HSC65096  Berberis aquifolium var. aquifolium J. P. Smith 1973-5-5 6478 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC65305  Berberis aquifolium var. repens J. P. Smith 1976-5-21 8772 Siskiyou F.S. Rd. 40N08, 10.8 mi. from its junction with S.R. 3. 1280 Comment
  CHSC10132  Berberis nervosa Geo. D. Butler 1908-8-22 Siskiyou Eldredge's [looks like 'Eeldredgis' on label] Corral Russian Creek. Comment
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1
  UC165959  Berberis nervosa Geo. D. Butler 1910-5-5 1287 1/2 Siskiyou <Hanby Creek> Comment
  CAS-BOT-BC75924  Berberis piperiana Doris K. Kildale 1929-7-20 8546 Siskiyou South Fork of Indian Creek near Happy Camp. 457 Comment
  CAS-BOT-BC75935  Berberis piperiana Geo. D. Butler 1910-4-11 1169 Siskiyou Yreka Creek. Comment
  UC572972  Berula erecta Louis C. Wheeler 1935-7-3 3649 Siskiyou 2 mi nw of Montague (Shasta River); Shasta River 762 Comment
  POM208199  Betula occidentalis L. C. Wheeler 1934-6-27 2808 Siskiyou Siskiyou Mts., Cottonwood Creek. 793 Comment
  RSA715951  Betula occidentalis L. Ahart, John Dittes 2005-6-10 12072 Siskiyou About 50 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  UC61669  Bidens frondosa Geo. B. Grant 1902-9-1 5278 Siskiyou Mt. Shasta, Pacific Coast Pacific Coast, Mt. Shasta 0 Comment
  CAS-BOT-BC413078  Bistorta bistortoides John Thomas Howell 1939-8-10 15277 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  HSC65505  Bistorta bistortoides Rich White 1978-7-3 222 Siskiyou Lake E of Sawtooth Trail, N of Dillon Trail 1502 Comment
  CAS-BOT-BC127948  Blepharipappus scaber L. E. Smith 1913-5-1 266 Siskiyou Edgewood Comment
  CAS-BOT-BC15927  Boechera arcuata Reed Rollins 1938-6-17 11051 Siskiyou Mount Shasta. Sisson Southern Trail 1371 Comment
  CAS-BOT-BC16022  Boechera breweri subsp. breweri F. D. Douthitt 1926-3-16 52593 Siskiyou Klamath Forest. Klamath River near Horse Creek. 487 Comment
  CAS-BOT-BC65366  Boechera platysperma R. C. Wenk 2008-7-23 906 Siskiyou SW side of Mount Shasta, below Panther Meadow. 2269 Comment
  RSA0126102  Boechera pratincola C. L. Hitchcock, J. S. Martin 1939-7-9 5308 Siskiyou N side of Black Mt. near Marble Mt. (King s Castle). 2073 Comment
  CAS-BOT-BC25417  Boechera retrofracta John Thomas Howell 1937-7-21 13203 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC25626  Boechera retrofracta H. E. Brown 1897-6-1 438 Siskiyou North side Mount Shasta. 3048 Comment
  CAS-BOT-BC25729  Boechera sparsiflora Alice Eastwood 1912-8-30 1962 Siskiyou Mount Eddy. Comment
  UC166138  Boechera sparsiflora Geo. D. Butler 1910-4-16 1178 Siskiyou Klamath hills Klamath Comment
  UC932078  Boechera sparsiflora Verne Grant and Alva Grant 1947-6-5 7972 Siskiyou Modoc Lava Beds Comment
  UC165991  Boechera subpinnatifida Geo. D. Butler 1910-6-1 1446 Siskiyou Yreka Comment
  CAS-BOT-BC25874  Boechera subpinnatifida George Dexter Butler 1909-4-8 587 Siskiyou Humbug Mountain. Comment
  UC1409353  Boechera suffrutescens Frederick W. Oettinger 1968-8-16 540 Siskiyou n of Hancock Lake (w side of Red Hill, vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, English P 2057 Comment
  CAS-BOT-BC25923  Boechera suffrutescens Doris K. Kildale 1928-8-20 6597 Siskiyou Lily Pad Lake near Hancock Lookout trail to Marble Mountain. 2133 Comment
  CAS-BOT-BC438785  Boykinia major Dana York 2012-7-20 3120 Siskiyou Rogue River - Siskiyou National Forest, Siskiyou Mountains, ca. 2.4 km W-SW of Cook and Green Pass, moist slope above Echo Lake. 1710 Comment
  RSA238308  Boykinia major Frederick W. Oettinger 1968-8-15 525 Siskiyou E bank of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1936 Comment
  CAS-BOT-BC127715  Brickellia greenei P. C. Everett; E. K. Balls 1954-10-13 20277 Siskiyou Seiad Creek, road to Kangaroo Mt., 7.2 mi. n.e. from Hwy 96. 822 Comment
  HSC69142  Brickellia greenei Maralyn A. Renner 1980-8-8 2475 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  OBI55401  Brickellia greenei David J. Keil 1992-7-24 23562 Siskiyou Klamath Natl forest E of Callahan. 2.5 mi N of Kangaroo Lake on Rail Crk rd Comment
  CHSC60566  Bromus carinatus var. carinatus L. P. Janeway 1983-8-16 550 Siskiyou Siskiyou Mountains; at Poker Flat. 1524 Comment
  CAS-BOT-BC148789  Bromus carinatus var. marginatus Doris K. Kildale 1928-7-4 5515 Siskiyou Summit of divide between Sawyers Bar and Etna. Comment
  HSC103020  Bromus hordeaceus J. P. Smith 2014-6-6 13877 Siskiyou Along State Route 96 at the Portuguese Creek Access to the Klamath River 416 Comment
  RSA239066  Bromus marginatus Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1154 Siskiyou above Sundew Bog; English lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC162133  Bromus orcuttianus H. A. Thomas; J. H. Thomas 1954-7-21 4432 Siskiyou Salmon-Trinity Mountains. About 6 miles southeast of Cecilville. West side of Rush Creek. 1219 Comment
  HSC30542  Bromus orcuttianus Frederick W. Oettinger 1969-8-16 1392 Siskiyou Near English Lake, Salmon Mountains 1707 Comment
  HSC39663  Bromus orcuttianus J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5736 Siskiyou Parrott Mill Rd, 2 mi. S of Sugar Creek 1341 Comment
  HSC22860  Bromus suksdorfii J. O. Sawyer, D. E. Anderson 1969-7-9 1270 Siskiyou S facing upper slope above S Sugar Lake. 2378 Comment
  HSC41384  Bromus suksdorfii J. O. Sawyer 1970-7-4 2319 Siskiyou S of Cedar Flat Cabin 1494 Comment
  CAS-BOT-BC185591  Bromus tectorum Doris K. Kildale 1928-7-25 5905 Siskiyou Klamath River. Mack's Creek near Hamburg. Comment
  CAS-BOT-BC185595  Bromus tectorum Roxana S. Ferris; Laura Lorraine 1948-6-12 11721 A Siskiyou French Creek Logging Road west of Callahan. 1219 Comment
  LA13847  Bromus tectorum Wm. Bridge Cooke; 1938-6-17 11039 Siskiyou Mount Shasta, along the Sisson Southern Trail 1371 Comment
  UCD60229  Bromus vulgaris R. Tofsrud 1948-8-1 s.n. Siskiyou Few mi. N of Happy Camp. Comment
  CAS-BOT-BC273224  Cacaliopsis nardosmia Geo. D. Butler 1910-5-1 1266 Siskiyou Humbug Mountain Comment
  POM37674  Cacaliopsis nardosmia Geo. D. Butler 1909-4-28 701 Siskiyou McAdams Creek. Comment
  HSC27036  Calamagrostis breweri J. P. Smith, J. O. Sawyer 1972-9-14 5813 Siskiyou W of Little Duck Lake 2073 Comment
  CAS-BOT-BC185462  Calamagrostis canadensis Doris K. Kildale 1929-12-24 9100 Siskiyou Preston Peak. Rattlesnake Meadow. 1676 Comment
  HSC104253  Calamagrostis canadensis var. canadensis Dana York 2011-9-9 3099 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  HSC23100  Calamagrostis canadensis var. langsdorffii J. O. Sawyer 1969-8-1 1605 Siskiyou Behind Horseshoe Lake 1921 Comment
  CAS-BOT-BC185254  Calamagrostis koelerioides Ira L. Wiggins 1955-7-27 13558 Siskiyou Caribou Lake, Salmon Trinity Alps Primitive Area. 2042 Comment
  HSC26483  Calamagrostis koelerioides J. P. Smith, Steve Selva 1970-7-15 4361 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  UC1265349  Calamagrostis koelerioides F. W. Oettinger 1968-9-7 772 Siskiyou nw slope of ridge above Tobacco Lake; Salmon Mountains 2011 Comment
  UCD57320  Calamagrostis koelerioides A. A. Heller 1915-8-26 12243 Siskiyou north side of Mt. Eddy. Comment
  CAS-BOT-BC112322  Calliscirpus criniger Doris K. Kildale 1929-7-21 8739 Siskiyou Elk Lick, South Fork of Indian Creek 1219 Comment
  JEPS19745  Callitriche Rimo Bacigalupi with S. Galen Smith 1957-6-27 5976 Siskiyou 20 mi ne of Weed (at margins of marsh of Grass Lake, on route between Weed and Klamath Falls); Grass Lake 1544 Comment
  HSC28744  Callitriche heterophylla var. heterophylla Frederick W. Oettinger 1969-8-15 1388 Siskiyou Marble Mtn. Wilderness Area, inlet of Upper English Lake 1768 Comment
  UC1265403  Callitriche verna Frederick W. Oettinger 1969-9-4 1624 b Siskiyou Diamond Lake Salmon Mountains, Marble Mountain Wilderness Area (vicinity of English Peak, w Siskiyou County) 2072 Comment
  CAS-BOT-BC85727  Calocedrus decurrens Doris K. Kildale 1929-8-24 9057 Siskiyou Rattlesnake Meadow, Preston Peak 1524 Comment
  UC60898  Calocedrus decurrens W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mt. Shasta Comment
  RSA624396  Calocedrus decurrens L. C. Wheeler 1952-9-17 6944 Siskiyou Unspecified. Comment
  CAS-BOT-BC132245  Calochortus A. M. Vollmer; L. Beane 1951-6-2 56 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway Comment
  JEPS109666  Calochortus elegans Dean W. Taylor 2002-6-29 18206 Siskiyou ridge ca. 0.5 mile SW of Kanagroo Lake, Scott Mountains 1981 Comment
  RSA261444  Calochortus elegans var. nanus J. M. Tucker, L. K. Mann, Sandra L. Holloway 1963-7-7 3712 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  HSC60468  Calochortus elegans var. nanus Carl Wishner 1978-7-19 552 Siskiyou Monument Lake, Marble Mtn. Wilderness Area 1768 Comment
  CHSC30379  Calochortus longebarbatus Eric F. Heinitz 1980-7-17 27 Siskiyou At Tom Young Flat ca. 2 mi. NW of Pondosa. 1292 Comment
  CHSC71611  Calochortus nudus Vernon H. Oswald; Lowell Ahart 1998-8-3 9443 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. West of Kangaroo Lake. 1981 Comment
  SBBG22938  Calochortus nudus H. and M. Dearing 1939-6-30 3754 Siskiyou near Callahan, Trinity Alps Rd Comment
  RSA120642  Calochortus nudus G. D. Barbe 1955-7-28 300 Siskiyou Just west of Scott Mountain Forest Camp along the Siskiyou - Trinity County line, Klamath Mountains 1616 Comment
  JEPS96992  Calochortus tolmiei Dean W. Taylor 1999-6-9 17236 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  UC456010  Calystegia I. J. Condit 1911-7-5 Siskiyou Shasta Retreat , Shasta Retreat (Mt. Bradley) 1524 Comment
  HSC36667  Calystegia occidentalis Brent Whiteley 1975-6-23 47 Siskiyou 223 Comment
  POM76572  Calystegia occidentalis subsp. occidentalis Geo. D. Butler 1909-5-30 764 Siskiyou Humbug Road Comment
  RSA48008  Camissonia contorta Roxana S. Ferris 1948-6-12 11757 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  CAS-BOT-BC160899  Camissonia tanacetifolia subsp. tanacetifolia Alice Eastwood 1921-7-28 10925 Siskiyou Medicine Lake Comment
  JEPS11748  Campanula prenanthoides Geo. D. Butler 1908-8-10 145 Siskiyou Shackleford Creek 1219 Comment
  SEINET10463159  Campanula prenanthoides Rose 1945-7-22 Rose 45153 Siskiyou Horse Creek and Klamath River. 503 Comment
  SEINET10972404  Campanula prenanthoides Lathrop 1903-7-10 LATHROP s.n. Siskiyou Shasta Retreat Comment
  UC890573  Campanula scabrella Alice Eastwood 1912-8-30 2010 Siskiyou Mount Eddy Comment
  SEINET10463792  Campanula scouleri Hemphill 1970-8-11 HEMPHILL s.n. Siskiyou Sanger Lake 1524 Comment
  SEINET10972092  Campanula scouleri Joseph W. Congdon 1900-8-8 Congdon s.n. Siskiyou NEAR SISSON Comment
  SEINET12271816  Campanula scouleri M. Ownbey, Meyer, F. G. 1940-1 2226 Siskiyou 18 mi N of Happy Camp Comment
  SEINET10463873  Campanula wilkinsiana A. Arthur Heller 1920-8-12 Heller 13518 Siskiyou WET SOIL AT SPRING ABOVE HORSE CAMP, MT SHASTA Comment
  CAS-BOT-BC37232  Cardamine bellidifolia Marion Ownbey; Fred G. Meyer 1940-7-4 2187 Siskiyou On ridge above head of Brewer Creek, east side of Mount Shasta. Comment
  JEPS53394  Cardamine californica var. integrifolia Geo. D. Butler 1909-4-11 649 Siskiyou Shasta Springs Comment
  RSA237333  Carex abrupta Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1249 Siskiyou Pine Lake Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  NY25627  Carex amplectens W. B. Cooke 1940-1 15123 Siskiyou Mount Shasta City 1082.0 Comment
  UC607  Carex amplifolia Ezra Brainerd 1897-8-1 Siskiyou Sisson Comment
  HSC76855  Carex amplifolia L. P. Janeway 1982-6-18 77 Siskiyou 1 1/2 mi. up FS 19N07 from Indian Creek Rd., near a small creek 701 Comment
  SEINET7549680 Image available Carex amplifolia A. A. Heller 1905-6-5 7982 Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  CHSC62793  Carex angustata L. P. Janeway 1993-8-30 4561 Siskiyou West side of Cedar Lake; head of South Fork Sacramento River. 1741 Comment
  SD123678  Carex angustata Robert T. Clausen, Harold Trapido 1940-7-26 4956 Siskiyou Southern Cascade Mountains; Mt. Shasta; Sacramento River Basin; boggy meadow; wagon camp. 1737 Comment
  RSA186333  Carex angustata Gilbert Muth 1966-10-16 28 Siskiyou Marble Mountains 1793 Comment
  UCD140137  Carex athrostachya Herbert L. Mason 1948-7-18 13610 Siskiyou Grass Lake. 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
  CAS-BOT-BC31047  Carex bolanderi William Bridge Cooke 1940-8-2 15404 Siskiyou Mt Shasta, Along the creeks at Bear Springs. 1524 Comment
  SEINET7552632 Image available Carex bolanderi David Castaner 1989-6-18 10230 Siskiyou McBridge Springs-dry bed Mt Shasta Comment
  CAS-BOT-BC19653  Carex brainerdii H. E. Brown 1897-6-7 370 Siskiyou Mt. Shasta. Comment
  HSC86451  Carex breweri D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta 2591 Comment
  SD76153  Carex breweri Helen V. Witham 1969-10-9 606 Siskiyou Mt. Shasta; in scree at timberline. 2400 Comment
  SEINET7556577 Image available Carex deflexa var. boottii John Thomas Howell 1937-7-25 13486 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1981 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
  POM229215  Carex echinata subsp. echinata L. C. Wheeler 1935-7-26 3721 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  CHSC69096  Carex halliana Vernon Oswald; Lowell Ahart 1997-7-28 8798 Siskiyou Schonchin Spring Campground at Medicine Lake. 2057 Comment
  CHSC82811  Carex halliana L. P. Janeway 2002-7-13 7638 Siskiyou High Cascade Range. 1.0 km west of the western edge of Medicine Lake; 0.2 km southeast of Road 43N48 on west side of the road to a cinder pit. 2079 Comment
  SEINET515838  Carex halliana Vernon Oswald 1997-7-28 8798 Siskiyou Schonchin Spring Campground at Medicine Lake. 2057 Comment
  JEPS109561  Carex hassei Dean W. Taylor 2002-7-21 18270 Siskiyou Scott Mountains, The Eddys, cirque at headwaters of Parks Creek above Caldwell Lakes 2316 Comment
  JEPS109847  Carex inops subsp. inops Dean W. Taylor 2004-7-20 19194 Siskiyou Mt. Shasta, slopes ca. 0.3 air mile E of Mud Creek dam. 1524 Comment
  UC535937  Carex interior Elmer I. Applegate 1895-5-28 785 Siskiyou Sisson Strawberry Valley Comment
  RSA237328  Carex laeviculmis Frederick W. Oettinger 1968-9-9 799 Siskiyou Along stream that runs from Tom s Upper Pond to Tom s Lower Pond. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC31304  Carex lenticularis var. impressa W. R. Dudley 1901-8-18 s.n. Siskiyou Jacksons Lake. Comment
  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
  SEINET7564601 Image available Carex lenticularis var. impressa John Thomas Howell 1939-8-7 15128 Siskiyou Sky High Valley, Marble Mts. 1829 Comment
  HSC33993  Carex lenticularis var. lipocarpa J. P. Smith 1974-5-25 7482 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  HSC39282  Carex lenticularis var. lipocarpa J. O. Sawyer 1969-7-12 1350 Siskiyou Edge of Sugar Lake 1799 Comment
  RSA237350  Carex mariposana Frederick W. Oettinger 1968-9-8 733 Siskiyou Southeast of Tom s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2149 Comment
  CHSC75768  Carex mendocinensis Vernon H. Oswald; Lowell Ahart 1999-7-5 9818 Siskiyou Hwy. 3 4.0 mi southeast of Gazelle-Callahan Hwy. 1365 Comment
  CAS-BOT-BC32002  Carex multicaulis John Thomas Howell 1937-7-26 13556 Siskiyou Caribou Gulch Comment
  RSA794454  Carex multicaulis P. F. Zika, Julie Nelson 2012-6-21 25909 Siskiyou Ridge above South Fork Willow Creek, 9 air km ENE of Gazelle Mountain, Shasta-Trinity National Forest, FS Road 42N42Y, 0.25 road miles east of junction with 42N19, Klamath Range. 1665 Comment
  CAS-BOT-BC32014  Carex multicaulis R. E. Frenkel 1964-7-14 696 Siskiyou On Everitt Memorial Hwy near Mt. Shasta, 4.7 mi N of McCloud River RR crossing. 1545 Comment
  CAS-BOT-BC23421  Carex multicostata John Thomas Howell 1937-7-22 13254 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC32276  Carex multicostata John Thomas Howell 1939-8-9 15219 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  HSC76941  Carex multicostata K. T. Stillman 1976-8-15 261 Siskiyou Marble Mountain Wilderness Area 1951 Comment
  HSC29655  Carex nigricans Frederick W. Oettinger, R. F. Thorne 1969-8-6 1261 Siskiyou Marble Mtn. Wilderness Area, W of Tom's Lower Pond 1951 Comment
  SEINET7568931 Image available Carex nigricans Frederick W. Oettinger 1969-9-2 1600 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, north side of English Peak. 2164 Comment
  CAS-BOT-BC119468  Carex nudata A. A. Heller 1905-6-1 7921 Siskiyou Between Dunsmuir and Upper Soda Spring. Comment
  POM224492  Carex nudata L. C. Wheeler 1934-9-22 3296 Siskiyou Walker, Klamath River, Siskiyou Mountains. (Mt. Diablo Mer.) 518 Comment
  SEINET10711984  Carex ormantha Louis C. Wheeler 1935-7-26 Wheeler 3721 Siskiyou Wet sunny meadow. Jaynes Canyon. Siskiyou Mts. S12, T47N, R10W, Mt. Diablo Mer. 1951 Comment
  UC1147887  Carex pachycarpa Gilbert Muth 1966-10-16 3 Siskiyou Marble Mts. 1792 Comment
  CAS-BOT-BC119209  Carex pachystachya Arthur L. Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy. 1706 Comment
  UC55221  Carex pachystachya H. M. Hall and E. B. Babcock June 1903 4063 Siskiyou Sisson Sierra Nevada Mountains, Mount Shasta; Sisson, Mt. Shasta, Siskiyou Co., Sierra Nevada Mts. 1066 Comment
  UC1586947  Carex pellita Juha Pykala and D. H. Norris 1987-7-7 2350 Siskiyou w Weed (Stewart Springs road, near old Highway 99) 930 Comment
  CAS-BOT-BC118574  Carex praegracilis John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53380 Siskiyou 2.5 mi S of Grenada, Shasta Valley 762 Comment
  JEPS107832  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
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Mar 10 2008
  CAS-BOT-BC118787  Carex preslii Rimo Bacigalupi 1959-7-10 7300 Siskiyou In meadow at Twin Valley, Siskiyou Mts., just E of Del North County line. 1493 Comment
  CAS-BOT-BC118790  Carex preslii George Dexter Butler 1909-6-13 806 Siskiyou Damp meadow near Oro Fins Comment
  CAS-BOT-BC118792  Carex preslii William Bridge Cooke 1939-7-21 13730 Siskiyou In small bog around lower Wagon Camp Springs 1737 Comment
  CHSC53659  Carex rossii L. P. Janeway; Gary Benson, Randy Harrison 1984-8-20 1056 A Siskiyou On cinder cone SW of Undertakers Camp. 2087 Comment
  HSC62624  Carex rostrata Al Hobart 1968-9-4 Siskiyou Youngs Valley Comment
  HSC77259  Carex rostrata L. P. Janeway 1983-8-28 635 Siskiyou Poker Flat 1529 Comment
  HSC91359  Carex rostrata Jennifer Whipple 1978-10-6 2423 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CHSC95999  Carex scabriuscula L. P. Janeway 2006-7-4 8788 Siskiyou Klamath Ranges. Scott Mountains; Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  UCD140807  Carex scabriuscula J. T. Howell; T. C. Fuller, G. D. Barbe 1980-5-20 2763 Siskiyou north of Trinity Center, south side of Trinity River, west of Highway 3, 0.4 mile north of Coffee Creek Road. 733 Comment
  UCSB63775  Carex scabriuscula Oswald, Vernon; Ahart, Lowell 1998-8-3 Siskiyou Near the Pacific Crest Trail; in the Scott Mtns.; west of Kangaroo Lake: T40N R7W NW1/4 Sect. 14 1981 Comment
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Dec 24 2010
  RSA238967  Carex scopulorum Frederick W. Oettinger 1968-9-9 804 Siskiyou Tom s Lake lower meadow. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CHSC96434  Carex scopulorum var. bracteosa Gordon Leppig; Jennifer Kalt 1996-7-9 368 Siskiyou Klamath National Forest. Russian Wilderness, Little Duck Lake Fen. In cirque west of Little Duck Lake. UTM Zone 10 NAD 1927, 503813E, 4572466N. 2200 Comment
  JEPS123408  Carex scopulorum var. bracteosa Julie Kierstead Nelson with Don Lepley, Rhonda Posey 2015-8-13 2015 -129 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. Comment
  UC835683  Carex simulata Frank W. Gould 1940-5-14 1232 b Siskiyou Bull Meadow Goosenet Mountains 1524 Comment
  CAS-BOT-BC117242  Carex spectabilis Ira L. Wiggins 1955-7-27 13549 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area. 2042 Comment
  CAS-BOT-BC117240  Carex spectabilis William Bridge Cooke 1939-7-26 13748 Siskiyou In the west boreal spring above Panther Creek Meadows. 2743 Comment
  HSC30675  Carex spectabilis Frederick W. Oettinger, R. F. Thorne 1969-8-6 1254 Siskiyou Marble Mtn. Wilderness Area, the New York Flumes, Pine Lake Basin 1860 Comment
  RSA22153  Carex spectabilis W. Bridge Cooke 1938-7-21 11298 Siskiyou Heather meadow, Mt. Shasta. 2287 Comment
  CAS-BOT-BC115860  Carex subfusca 1902-9-7 5116 Siskiyou Horse Camp. Mt. Shasta 2438 Comment
  SEINET10750082  Carex subfusca William B. Cooke 1941-9-10 Cooke 16309 Siskiyou In the vicinity of Horse Camp, Mt. Shasta. 2438 Comment
  CAS-BOT-BC115162  Carex vesicaria Edward Lee 1934-8-13 1075 Siskiyou Happy Camp-Waldo (Oregon) Road. Watershed of W Branch of Indian Creek. 1371 Comment
  HSC91350  Carex vesicaria Jennifer Whipple 1977-8-6 2243 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC836867  Carex vesicaria A. A. Heller 1922-7-15 13711 Siskiyou Medicine Lake 2133 Comment
  HSC30551  Carex vesicaria Frederick W. Oettinger 1968-9-4 693 Siskiyou Marble Mtn. Wilderness Area, W shore of Abbotts Lake 1723 Comment
  UC1951314  Cassiope mertensiana Robert F. Thorne and Fred Oettinger 1969-8-4 63371 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. SE side of diamond Lake. Comment
  RSA126264  Cassiope mertensiana subsp. ciliolata I. L. Wiggins 1955-7-29 13570 Siskiyou Pass at SW end of Caribou L., Salmon-Trinity Alps Primitive Area. 2073 Comment
  HSC42879  Castilleja applegatei subsp. pinetorum John Sawyer, Ken Stillman 1976-7-1 2794 Siskiyou Mid slopes and ridges E of Little North Fork Trail. 732 Comment
  JEPS24243  Castilleja applegatei subsp. pinetorum Douglas Barbe 1959-7-4 521 Siskiyou about 4 mi sw Big Flat Camp (n shore of Caribou Lake); Klamath National Forest, Caribou Lake 2103 Comment
  JEPS9789  Castilleja applegatei subsp. pinetorum Geo. D. Butler 1909-6-23 931 Siskiyou Goosenest Mountain Comment
  SBBG40131  Castilleja applegatei subsp. pinetorum C. B. Hardham 1961-6-30 8029 Siskiyou near Mud Spring Comment
  UC454838  Castilleja applegatei subsp. pinetorum I. J. Condit 1911-7-7 Siskiyou Shasta Retreat 1066 Comment
  RSA425927  Castilleja applegatei subsp. pinetorum M. B. Dunkle 1944-8-25 9174 Siskiyou Siskiyou National Forest. Coastal Northern California. Comment
  CAS-BOT-BC243760  Castilleja applegatei var. pinetorum Annie M. Alexander; Louise Kellogg 1949-7-22 5845 Siskiyou Top of ridge, trail to Kings Castle, Paradise Lake, Marble Mountains 1920 Comment
  HSC61196  Castilleja arachnoidea Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  JEPS79758  Castilleja arachnoidea L. R. Heckard 1967-8-14 1730 Siskiyou sw flank Mt. Shasta (above Horse Camp); sw flank of Mt. Shasta 2560 Comment
  RSA12626  Castilleja arachnoidea Carl B. Wolf 1934-7-5 5959 Siskiyou 3 8/10 mi. from Dry Lake Lookout on rd. to Horse Creek, Siskiyou Mts. 1982 Comment
  CHSC86634  Castilleja lacera Jenny Marr 1993-7-1 17 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC252476  Castilleja miniata Wm. Bridge Cooke 1938-9-8 11606 Siskiyou Mt. Shasta 2590 Comment
  HSC77011  Castilleja miniata K. T. Stillman 1976-7-7 163 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  JEPS74484  Castilleja miniata W. J. Ferlatte 1966-8-2 232 Siskiyou between campground and South Fork of Salmon River (Big Flat); Trinity Alps, Big Flat 1524 Comment
  CAS-BOT-BC254017  Castilleja miniata Wm. Bridge Cooke 1938-6-17 11059 Siskiyou Mt. Shasta 1524 Comment
  POM42531  Castilleja miniata Geo. D. Butler 1910-6-3 1472 Siskiyou [?] Valley. Comment
  CHSC88113  Castilleja pilosa Jenny Marr 1993-7-1 123 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC1034001  Castilleja pruinosa Francis W. Pennell 1940-7-17 26172 Siskiyou w of Etna (ne slope of Salmon Mountains); Salmon Mountains 1859 Comment
  POM301760  Castilleja pruinosa Marion Ownbey, D. H. Brown 1941-6-22 2422 Siskiyou West of Craggy Mountain, northwest of Yreka Comment
  RSA184819  Castilleja pruinosa Gilbert Muth 1966-7-14 394 -B Siskiyou Marble, south of Marble Valley, Marble Mountains. 1793 Comment
  SEINET12337129  Castilleja schizotricha Unknown 1986-1 60362 A Siskiyou SW of Cook & Green Pass, Bee Camp 1768 Comment
  RSA68925  Ceanothus cordulatus A. E. Culbertson 1943-7-12 32 Siskiyou Castle Lake, in a north facing cirque with a abrupt 1000' backwall; 14 miles SW of Mt. Shasta on N side of a 6600' eastern spur of Trinity Mts.; 2000 ft. above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  CAS-BOT-BC49186  Ceanothus cuneatus C. Hart Merriam 1919-9-24 s.n. Siskiyou Ager Comment
  CAS-BOT-BC49194  Ceanothus cuneatus Roxana S. Ferris; Laura Lorraine 1948-6-12 11812 Siskiyou At Mule Creek crossing of Scott Mountain Road 1524 Comment
  SEINET13945833 Image available Ceanothus cuneatus F. G. Meyer 1938-1 1328 a Siskiyou On open slopes, 20 miles N of Redding Comment
  JEPS42185  Ceanothus cuneatus var. cuneatus Geo. D. Butler 1908-6-20 497 Siskiyou Bulter's Ranch Yreka Comment
  HSC101760  Ceanothus integerrimus J. P. Smith, J. O. Sawyer 2011-9-5 13419 Siskiyou Along Klamath National Forest Service Road 45N28, 0.2 mi. W of junction with Yreka-Walker Road. 1474 Comment
  HSC36722  Ceanothus integerrimus Brent Whitely 1975-6-28 78 Siskiyou 915 Comment
  HSC59645  Ceanothus integerrimus J. P. Smith, Steve Selva 1970-6-16 4086 Siskiyou W of Sawyers Bar Comment
  POM301658  Ceanothus integerrimus var. macrothyrsus Carl B. Wolf 1941-7-26 11083 Siskiyou 4 miles NE of summit of Buckhorn Mt, on the Weaverville Redding road. 732 Comment
  CAS-BOT-BC52122  Ceanothus prostratus L. E. Smith 1913-5-12 201 Siskiyou Dunsmuir Comment
  CAS-BOT-BC53082  Ceanothus prostratus H. E. Brown 1897-6-1 369 Siskiyou Near Mt. Shasta 2133 Comment
  HSC40208  Ceanothus prostratus J. P. Smith 1976-5-21 8760 Siskiyou Klamath National Forest, USFS Rd. 40N08 6.2 mi from its junction with Hwy. 3 1463 Comment
  POM85998  Ceanothus prostratus Geo. D. Butler 1910-6-4 1501 Siskiyou Quartz Valley. Comment
  JEPS74494  Ceanothus velutinus W. J. Ferlatte 1966-6-23 148 Siskiyou Big Flat Trinity Alps (near a public camp) 1524 Comment
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May 9 2008
  RSA183666  Ceanothus velutinus Gilbert Muth 1965-7-30 114 Siskiyou Marble Valley, Marble rim Comment
  UCD112829  Ceanothus velutinus John Sawyer 1977-7-6 3020 Siskiyou South of Little Duck Lake. 2133 Comment
  CAS-BOT-BC52838  Ceanothus velutinus var. velutinus Geo. D. Butler 1910-6-5 1480 Siskiyou Shackleford Creek Comment
  HSC69370  Ceanothus velutinus var. velutinus J. O. Sawyer, J. Cole 1980-7-19 3672 Siskiyou N and W of Little Mt. Hoffman 1982 Comment
  CDA7017  Centaurea calcitrapa T. C. Fuller 1960-8-23 4964 Siskiyou ca. 1 mile northeast of Gazelle. 0 Comment
  RSA190715  Centaurea maculosa T. C. Fuller 1967-8-15 16263 Siskiyou Roadside, N side of Hwy 97 (Weed to Macdoel), W of R.R. spur at Grass Lake Comment
  CAS-BOT-BC281204  Centaurea stoebe subsp. micranthos T. C. Fuller 1967-8-15 16263 Siskiyou N side of Highway 97 (Weed to Macdoel), W of RR spur at Grass Lake Comment
  POM130658  Centaurium muehlenbergii E. B. Copeland 1903-7-14 2513 Siskiyou Klamathon. Comment
  CAS-BOT-BC384981  Cerastium dichotomum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53375 Siskiyou 2 miles south of Grenada, Shasta Valley 762 Comment
  CAS-BOT-BC384985  Cerastium dichotomum T. C. Fuller 1962-5-18 8746 Siskiyou B. M. Long prop., Little Shasta Rd., 5 mi. e. of Montague Comment
  HSC22478  Cerastium fontanum subsp. vulgare J. O. Sawyer 1969-7-16 1155 Siskiyou W of Lower Russian Lake along trail 2073 Comment
  CDA3344  Cerastium glomeratum T. C. Fuller 1962-5-17 8742 Siskiyou Behind El Rancho Motel, Yreka. 0 Comment
  HSC67804  Cercocarpus ledifolius J. O. Sawyer, J. Cole 1980-7-22 3975 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  RSA60635  Cercocarpus ledifolius I. L. Wiggins 1950-5-28 12377 Siskiyou Just above Grouse Lake, headwaters of Grouse Lake 1829 Comment
  UCD77514  Cercocarpus ledifolius var. intermontanus Robert E. Preston 2001-7-21 1731 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, Rainbow Mountain. 2158 Comment
  CAS-BOT-BC148512  Cercocarpus ledifolius var. ledifolius Louis C. Wheeler 1934-9-5 3246 Siskiyou Sterling Mt. 2127 Comment
  HSC90618  Cercocarpus ledifolius var. ledifolius Jennifer Whipple 1976-9-4 1794 Siskiyou Dobkins lake drainage on E facing slopes above Dobkins lake 2256 Comment
  JEPS44708  Cercocarpus ledifolius var. ledifolius W. L. Jepson 1940-6-23 20023 Siskiyou Andesite Station n of Mount Shasta; Andesite Station 975 Comment
  CAS-BOT-BC148528  Cercocarpus ledifolius var. ledifolius Mrs. G Earle Kelly 1924-6-1 s.n. Siskiyou Eagle Ridge, Klamath Lake Comment
  UC1408930  Chaenactis douglasii var. douglasii Frederick W. Oettinger 1968-8-16 529 Siskiyou n of Hancock Lake (near summit of Little Medicine Mountain (The high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area)); Salmon Mountains, Little Medicine Mountain 2103 Comment
  UCR93373  Chaenactis douglasii var. douglasii Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Modoc National Forest, Forest Service Road 49 (Lava Beds/Medicine Lake Road) within 1 mile of southern boundary of Lava Beds National Monument 1555 Comment
  CAS-BOT-BC276778  Chaenactis douglasii var. douglasii A. A. Heller 1916-6-23 12431 Siskiyou Near Black Butte N of Sisson 1127 Comment
  CAS-BOT-BC106036  Chaenactis suffrutescens Brandegee 1889-6-1 s.n. Siskiyou Edgewoods Comment
  JEPS81881  Chaenactis suffrutescens Roger Raiche 1982-7-6 20556 Siskiyou near Fort Jones 822 Comment
  CHSC69086  Chamaebatiaria millefolium Vernon Oswald; Lowell Ahart 1997-7-28 8772 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi south of Medicine Lake. 1365 Comment
  RSA714931  Chamaebatiaria millefolium M. E. Fishbein, Lane Greer 2006-8-3 5872 Siskiyou Along Forest Service road 49, 7 miles SSW of Medicine Lake, 0.4miles NE of Snag Hill. 1585 Comment
  CAS-BOT-BC85663  Chamaecyparis lawsoniana Miss Herzinger 1903-11-1 s.n. Siskiyou Scott River Valley Comment
  NY19114  Chamaecyparis nootkatensis S. W. Edwards 1983-7-11 SWE- 21 --83 Siskiyou Klamath National Forest, south end of Buck Lake. 1310.6 Comment
  HSC8630  Chamaesyce glyptosperma R. C. Wunner 1965-8-27 435 Siskiyou Lava Beds National Monument, about 1 mi. from NW entrance 1220 Comment
  RSA432491B  Chamaesyce serpillifolia W. Bridge Cooke 1939-7-7 13578 Siskiyou Wagon Camp Road at Howard. Also seen commonly along the old MacBride Spring Road. Comment
  UC583154  Chamaesyce serpyllifolia Lewis S. Rose 1936-7-29 36702 Siskiyou Shasta Springs 762 Comment
  HSC69235  Cheilanthes gracillima Maralyn A. Renner 1980-9-1 2711 Siskiyou S side of Devil's Punchbowl 1829 Comment
  UCR30511  Cheilanthes gracillima John C. Roos 1948-9-1 3947 Siskiyou High ridge, summit of pass, in the mountains SW of Etna Comment
  CAS-BOT-BC68205  Cheilanthes gracillima L. F. Henderson 1926-4-22 5940 Siskiyou Bluffs of the East Illinois R. near Beer's Bridge Comment
  CAS-BOT-BC68242  Cheilanthes gracillima Gilbert Muth 1965-8-6 s.n. Siskiyou Trail to backside of Blk Mt. Comment
  UC375328  Chenopodium berlandieri Geo. D. Butler 1908-7-4 1065 Siskiyou Yreka Comment
  CDA3040  Chenopodium botrys T. C. Fuller 1966-10-7 15247 Siskiyou W.W. Cook Nursery, Route 1 Box 328, 2 miles northwest of Mt. Shasta City. 0 Comment
  RSA233695  Chenopodium botrys R. F. Thorne, Frederick W. Oettinger 1969-8-10 38949 Siskiyou Mt. Shasta National Forest: Southwest slope of Mt. Shasta along Ski Bowl Road. 1280 Comment
  HSC4386  Chenopodium leptophyllum D. M. Thomson 1965-8-14 189 Siskiyou Lava Beds National Monument, Tickner Rd., 1.5 mi. from SE entrance Comment
  CAS-BOT-BC452254  Chimaphila umbellata W. R. Dudley 1899-8-9 s.n. Siskiyou Black Butte Comment
  CAS-BOT-BC452279  Chimaphila umbellata Doris K. Kildale 1929-8-24 9074 Siskiyou Rattlesnake Meadow, near Preston Peak 1524 Comment
  CAS-BOT-BC452281  Chimaphila umbellata Doris K. Kildale 1930-6-1 9787 Siskiyou Black Bear trail to Sawyer's Bar Comment
  CAS-BOT-BC452285  Chimaphila umbellata C. L. Hitchcock; J. S. Martin 1939-7-8 5300 Siskiyou Ca. 15 miles N of Happy Camp on Happy Camp-Takilma Hwy 914 Comment
  CDA3725  Chorispora tenella T. C. Fuller 1962-5-18 8748 Siskiyou Epperson property, 3.5 miles northwest of Gazelle. 0 Comment
  HSC67748  Chrysolepis sempervirens J. O. Sawyer, J. Cole 1980-7-20 3807 Siskiyou E side of Grouse Hill 2134 Comment
  UC1409349  Chrysolepis sempervirens Frederick W. Oettinger 1968-8-22 589 Siskiyou ne face English Peak (w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2225 Comment
  UC618842  Chrysolepis sempervirens unknown 1938-9-8 11645 Siskiyou n side Red Butte; Mount Shasta Comment
  CAS-BOT-BC100854  Chrysothamnus viscidiflorus subsp. viscidiflorus Elmer I. Applegate 1935-8-3 10001 Siskiyou Lyons Road, north boundary of Lava Beds National Monument Comment
  UC750566  Chrysothamnus viscidiflorus subsp. viscidiflorus Lewis S. Rose 1941-8-28 41427 Siskiyou Dorris 1291 Comment
  CAS-BOT-BC190005  Cinna latifolia J. M. Tucker 1963-8-19 3775 Siskiyou Marble Mountain Wilderness. Headwaters of Canyon Creek. 1950 Comment
  JEPS109395  Cinna latifolia Dean W. Taylor 2004-7-20 19196 Siskiyou Bear Spring, Mt. Shasta 1554 Comment
  RSA183464  Cinna latifolia J. M. Tucker 1963-8-19 3775 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area. 1951 Comment
  RSA453424  Circaea alpina subsp. pacifica M. B. Dunkle 1944-7-16 9114 Siskiyou Siskiyou National Forest 1768 Comment
  CHSC35684  Cirsium andersonii Thomas Nelson; Jane Nelson, J. P. Smith 1978-7-24 4545 Siskiyou Along State Route 3 just north of Scott Mountain Summit. 1584 Comment
  HSC68166  Cirsium andersonii J. P. Smith, Steve Selva 1970-7-27 4524 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  CHSC72227  Cirsium arvense Vernon H. Oswald; Lowell Ahart 1998-9-16 9633 Siskiyou Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi east of Hwy. 97. 1243 Comment
  CHSC3142  Cirsium occidentale var. californicum Gary Dutton 1966-5-13 295 Siskiyou Found 1 1/2 miles north of Calahand. Comment
  CDA15400  Cirsium occidentale var. candidissimum G. F. Hrusa 1997-9-18 14107 Siskiyou Summit of Pass between Callahan & Gazelle, W of Mountain House. Comment
  CAS-BOT-BC285573  Cirsium occidentale var. candidissimum L. E. Smith 1913-7-24 510 Siskiyou Yreka 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-BC286465  Cirsium scariosum Alice Eastwood; John Thomas Howell 1936-6-13 2759 Siskiyou 5 miles n. of Gazelle Comment
  CAS-BOT-BC228962  Cistanthe umbellata Elmer I. Applegate 1923-8-13 3860 Siskiyou Top of Redshale Mountain, east of Medicine Lake 2438 Comment
  CAS-BOT-BC228987  Cistanthe umbellata L. E. Smith 1913-5-23 241 Siskiyou Weed Comment
  CAS-BOT-BC228990  Cistanthe umbellata Gilbert Muth 1965-8-3 s.n. Siskiyou Marble Valley Comment
  CAS-BOT-BC164165  Clarkia concinna Mrs. Dorothy Parker 1961-5-26 874 Siskiyou Dry rocky hillside near Cecilville Comment
  POM259020  Clarkia lassenensis W. Bridge Cooke 1940-6-4 15023 Siskiyou Along an old logging road on the north side of the mountain near Bolam Station 1220 Comment
  CAS-BOT-BC163283  Clarkia mildrediae subsp. mildrediae A. A. Heller 1928-6-10 14611 Siskiyou Along the Pacific Highway on a shale bank between Salt Creek and Pollock Comment
  HSC62629  Claytonia cordifolia Al Hobart Siskiyou Youngs Valley 1524 Comment
  UC1299368  Claytonia lanceolata Freed W. Hoffman 1950-7-14 3629 Siskiyou Baldy Mt.; w Siskiyou County Comment
  CAS-BOT-BC451756  Claytonia obovata A. M. Vollmer; L. Beane 1951-5-31 29 Siskiyou Scott Mountain Comment
  UC1258454  Claytonia perfoliata subsp. intermontana Maralyn A. Renner 1980-6-24 1001 Siskiyou tributary stream to East Fork Seiad Creek (where crossed by F.S. Road 48N20); Klamath National Forest, Seiad Valley Quad. 1021 Comment
  JEPS43385  Claytonia rubra Geo. D. Butler 1909-3-24 676 Siskiyou Oro Fino 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
  RSA0059511  Claytonia rubra subsp. depressa L. C. Wheeler 1935-5-5 3465 Siskiyou Greenhorn Creek. Siskiyou Mtns. (Mt Diablo Mer.) 854 Comment
  UC164031  Claytonia rubra subsp. rubra Geo. D. Butler 1910-5-5 1289 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC443814  Claytonia rubra subsp. rubra L. E. Smith 1913-5-12 207 Siskiyou Castle Creek 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
  HSC67725  Claytonia sibirica John Palmer 1980-8-12 681 Siskiyou SE of Ward's Gap. 1189 Comment
  RSA262514  Claytonia sibirica J. M. Tucker 1974-7-28 4318 Siskiyou Haypress Meadows, Marble Mtn Wilderness Area 1463 Comment
  CAS-BOT-BC443865  Claytonia sibirica F. J. Kirby 1958-7-1 1199 Siskiyou Swillup Campground, 25 miles s. of Happy Camp 609 Comment
  CAS-BOT-BC92768  Clematis ligusticifolia Lewis S. Rose 1945-6-22 45168 Siskiyou Beaver Creek & Klamath River. 548 Comment
  UC118736  Clematis ligusticifolia Brandegee July 1887 Siskiyou Edgewood Comment
  UC375265  Clematis ligusticifolia Geo. D. Butler 1908-9-5 526 Siskiyou along creek near Yreka Comment
  UC30058  Clintonia uniflora Harley P. Chandler June, 1901 1718 Siskiyou near Marble Mountain (Shackleford Canyon); North Coast Ranges, Shackleford Canyon 2133 Comment
  UC338808  Clintonia uniflora unknown 1444 Siskiyou near Shasta; California Comment
  UC637145  Clintonia uniflora Edward Lee 1934-8-13 1084 Siskiyou watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) Road, Klamath National Forest West Branch Indian Creek; Klamath National Forest, West Branch Indian Creek 1463 Comment
  CAS-BOT-BC499971  Clintonia uniflora Wayne Roderick 1967-7-22 s.n. Siskiyou North of Happy Camp on road to O'Brien Creek 1219 Comment
  CAS-BOT-BC500954  Clintonia uniflora Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mountains Comment
  POM169464  Clintonia uniflora E. B. Copeland 1903-8-19 3839 Siskiyou Mt. Eddy 1524 Comment
  POM170266  Clintonia uniflora Geo D. Butler 1910-6-5 1478 Siskiyou Shackleford Creek Comment
  UC722296  Collinsia linearis C. L. Hitchcock, J. S. Martin 1939-7-7 5280 Siskiyou 1/2 mi below Sanger Peak Lookout 1524 Comment
  HSC91182  Collinsia rattanii Jennifer Whipple 1976-6-30 1189 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  HSC82211  Collomia grandiflora Thomas W. Nelson, Jane P. Nelson 1980-7-5 5974 Siskiyou Fowler's Campground 1006 Comment
  JEPS93874  Collomia grandiflora Vernon H. Oswald and Lowell Ahart 1998-7-21 9317 Siskiyou 2.2 mi ne of Lake Shastina-Big Springs Road (ne of Weed, Shasta National Forest plantation on w side of Highway 97); Shasta National Forest, Highway 97 975 Comment
  RSA68906  Collomia grandiflora A. E. Culbertson 1943-7-17 52 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall, 14 miles s.w. of Mt Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  UCSB13154  Collomia grandiflora Breedlove, Dennis 1962-6-10 Siskiyou Indian Creek Road, 2.3 miles northwest of Happy Camp; Siskiyou Mountains 365 Comment
  HSC30447  Collomia grandiflora Frederick W. Oettinger 1968-8-12 489 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: between lily pond and Tobacco Lake 1890 Comment
  HSC45829  Collomia heterophylla J. P. Smith 1973-5-5 6469 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC45994  Collomia heterophylla J. P. Smith 1973-5-5 6430 Siskiyou Along Cook and Green Pass Rd. Comment
  UCD77565  Collomia linearis Robert E. Preston 2001-6-30 1640 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, north slope of Rainbow Mountain. 1722 Comment
  UC1409299  Collomia tinctoria Frederick W. Oettinger 1969-8-12 1349 Siskiyou side of English Lake Trail above Willow Spring (high lake basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area Comment
  RSA237987  Collomia tinctoria Frederick W. Oettinger 1969-8-12 1349 Siskiyou Trailside above Willow Spring, English Lake Trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CAS-BOT-BC230676  Collomia tracyi L. B. Kildale 1930-6-1 9702 Siskiyou Salmon River at [Cropp?] Creek Comment
  CHSC30248  Corallorhiza maculata M. S. Taylor 1980-7-8 3106 Siskiyou On nw side of Castle Lake. 1615 Comment
  HSC45041  Corallorhiza maculata J. O. Sawyer, E. Cope 1977-6-19 2942 Siskiyou Clear Creek Trail between West Fork and Preston Creek 854 Comment
  HSC29150  Corallorhiza mertensiana Frederick W. Oettinger 1968-8-7 431 Siskiyou Salmon Mountains, across meadow from base camp, Hancock Lake 1951 Comment
  HSC491  Corallorhiza striata William J. Ferlatte 1967-6-29 580 Siskiyou Big Flat, near public camp 1524 Comment
  CHSC70054  Cordylanthus tenuis subsp. pallescens T. I. Chuang; L. R. Heckard 1969-8-21 6741 Siskiyou Southwest of Black Butte, northwest of Mt. Shasta city. 1066 Comment
  HSC38715  Cordylanthus tenuis subsp. pallescens J. D. Ackerman, A. M. Montalvo 1975-7-18 572 Siskiyou S fork of Sacramento River, off USFS Rd. 40N30, between Mt. Eddy and Boulder Pk., SW of Mt. Shasta City Comment
  CHSC105580  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-9 16281 Siskiyou Shasta-Trinity National Forest; road A10 between town of Mount Shasta and Panther Meadow on the mountain itself. Lat. and Long. indicated +/- 46 feet. 1344 Comment
  JEPS57137  Cordylanthus tenuis subsp. viscidus L. R. Heckard 1967-7-5 1603 Siskiyou n side Mt. Shasta (along Bolam logging road) 1524 Comment
  JEPS57502  Cordylanthus tenuis subsp. viscidus L. R. Heckard with T. I. Chuang and R. Bacigalupi 1968-8-13 2124 Siskiyou 13 1/2 mi w Shasta County Line (5 1/2 mi w of Medicine Lake junction, along Hwy 89) 1066 Comment
  UCD123182  Cordylanthus tenuis subsp. viscidus Barbara L. Wilson; Richard E. Brainerd 2010-8-5 16220 Siskiyou Dunsmuir; Panorama Drive north of Interstate Highway 5 (1-5). 774 Comment
  LA209041  Cordylanthus tenuis subsp. viscidus Rimo Bacigalupi; 1954-8-12 4790 Siskiyou In serpentine, 5.1 mi below (and SE of) summit of the road between Takilma, Ore. and Happy Camp Calif.- Klamath National Forest, Siskiyou Mountains; drainage of the West Branch of Indian Creek 914 Comment
  UC1280736  Cornus glabrata H. E. McMinn 1931-6-26 2511 Siskiyou near Dunsmuir Comment
  UC166602  Cornus glabrata Geo. D. Butler 1909-7-7 803 Siskiyou along creek near Yreka Comment
  SEINET8083541  Cornus glabrata G. D. Butler 1910-5-22 1385 Siskiyou Yreka creek Comment
  CAS-BOT-BC212054  Cornus nuttallii J. H. Thomas 1954-5-13 4134 Siskiyou Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, vicinity of Blind Horse Creek, Salmon Mountains, Klamath National Forest 1066 Comment
  JEPS50158  Cornus nuttallii W. L. Jepson July 1894 14140 Siskiyou Sisson Comment
  CAS-BOT-BC210395  Cornus sericea Doris K. Kildale 1929-7-20 8747 Siskiyou Elk Lick, south fork Indian Creek 1219 Comment
  CHSC40092  Cornus sericea subsp. sericea A. A. Heller 1920-6-20 13392 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1158 Comment
  UC21542  Cornus sericea subsp. sericea C. B. Bradley 1897-1 Siskiyou Comment
  HSC33340  Cornus sericea subsp. sericea William J. Ferlatte 1974-7-15 1541 Siskiyou Yellow Rose Mine Trail. 1707 Comment
  POM270390  Corylus cornuta var. californica Lyman Benson 1929-3-26 1070 Siskiyou Shoulder of Mt. Shasta Pacific Highway. Comment
  CAS-BOT-BC290476  Crepis acuminata John Thomas Howell 1937-7-22 13331 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CHSC93526  Crepis bakeri Lowell Ahart; John Dittes 2005-6-9 12028 Siskiyou Hill, south of a rock fence, about 100 yards northeast of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  UC895309  Crepis capillaris Alice Eastwood 1912-7-17 1176 Siskiyou Sisson Comment
  UC1041113  Crepis intermedia J. W. Congdon 1900-8-16 Siskiyou Castle Lake Trail Comment
  UC581299  Crepis occidentalis E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1885 Siskiyou flat about 2 mi s Yreka 810 Comment
  CAS-BOT-BC290835  Crepis occidentalis subsp. pumila Geo. D. Butler 1910-5-19 1365 Siskiyou Yreka Comment
  CAS-BOT-BC290874  Crepis pleurocarpa Alice Eastwood 1923-5-23 11925 Siskiyou Near Cantara Comment
  CAS-BOT-BC299730  Crocidium Geo. D. Butler 1910-3-11 1122 Siskiyou Yreka hills 914 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
  UC129571  Crocidium multicaule F. W. Hooper 1897-4-21 Siskiyou Little Shasta Comment
  UC726463  Cryptantha affinis A. A. Heller 1919-6-30 13287 Siskiyou near Durney's Mill Comment
  CHSC99987  Cryptogramma acrostichoides L. P. Janeway 2008-7-26 9508 Siskiyou Klamath Ranges. Between Castle Crags, Trinity Mountains, and The Eddys; about 200 m west-southeast of Heart Lake and about 0.8 km south of Castle Lake. 1901 Comment
  HSC99673  Cryptogramma acrostichoides J. O. Sawyer 1969-6-13 952 Siskiyou Slope above Little Duck Lake 2134 Comment
  UC399487  Cryptogramma acrostichoides Geo. D. Butler 1909-7-15 875 Siskiyou Highland Mine Comment
  SD112358  Cryptogramma cascadensis Darley F. Howe 1948-8-14 3401 Siskiyou Mt. Shasta, Shasta National Forest 2440 Comment
  CAS-BOT-BC80552  Cupressus bakeri Oliver V. Matthews 1939-7-11 31 Siskiyou Seiad Grove 1463 Comment
  RSA22763  Cupressus bakeri O. V. Matthews 1939-7-13 33 Siskiyou NW slope of Goose Nest, E of Yreka. 1524 Comment
  RSA22773  Cupressus bakeri O. V. Matthews 1939-7-22 42 Siskiyou North side of Lava Road near Salt Lick about 3.2 miles E of jct with Co. Road for Day. 1220 Comment
  NY1293  Cupressus bakeri subsp. matthewsii C. B. Wolf 1934-10-9 6169 Siskiyou Siskiyou Mts., above W fork of Seiad Creek, 0.75 mi above forks of creek. 1158.2 Comment
  POM215887  Cupressus macnabiana L. C. Wheeler 1935-4-14 3417 Siskiyou Siskiyou Mountains: West Fork Seiad Creek. (Mt. Diablo Mer.) 1159 Comment
  NY643283  Cuscuta approximata H. E. Brown 1897-7-1 492 Siskiyou Collected South side Mt. Shasta 1524.0 Comment
  CDA39930  Cuscuta campestris T. C. Fuller 1963-8-27 11167 Siskiyou South side of Dorris-Tulelake Highway, 12 miles west of Hatfield. 0 Comment
  UCD77583  Cycladenia humilis Robert E. Preston 2002-7-12 1917 Siskiyou Klamath National Forest, S slope of Rainbow Mountain. 2072 Comment
  JEPS49767  Cycladenia humilis var. humilis W. L. Jepson 1902-7-17 2072 Siskiyou w. Siskiyou, The Devil's Backbone 1828 Comment
  CAS-BOT-BC114688  Cyperus bipartitus Louis C. Wheeler 1934-8-31 3229 Siskiyou W. Fork Beaver Dreek. 1066 Comment
  CAS-BOT-BC114689  Cyperus bipartitus Louis C. Wheeler 1934-8-31 3229 Siskiyou Lund Ranch, W Fork Beaver Creek. 1066 Comment
  RSA13860  Cyperus bipartitus L. C. Wheeler 1934-8-31 3229 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Lund Ranch, W Fork Beaver Creek. 1066 Comment
  UC637068  Cyperus squarrosus Edward Lee 1934-8-11 1026 Siskiyou e. end Seiad Valley (Walker Creek); , Walker Creek (tributary of Klamath R.) 457 Comment
  CAS-BOT-BC133745  Cypripedium californicum William R. Dudley 1899-7-5 s.n. Siskiyou Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC136503  Cypripedium fasciculatum Lester Rowntree 1937-7-31 s.n. Siskiyou Field redacted by CAS, contact the data manager for more information Comment
  HSC61200  Cystopteris fragilis Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  UCSB51226  Cystopteris fragilis Almanza, Ed 1976-7-14 Siskiyou Little Castle Lake, Trinity Mountains 2438 Comment
  UCD60195  Dactylis glomerata S. P. Lynch 1975-3-25 1382 Siskiyou 16.3 miles NE of Happy Camp on Hwy. 96. Comment
  UCD60863  Danthonia californica var. americana A. A. Heller 1915-7-18 12113 Siskiyou Metcalf's ranch, northeast of base of Mt. Eddy. 1249 Comment
  RSA115694  Danthonia intermedia Beecher Crampton 1956-8-22 3861 Siskiyou Panther Meadow, south slope of Mt. Shasta 2317 Comment
  HSC19071  Danthonia unispicata J. O. Sawyer 1969-7-25 1530 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  JEPS11904  Darlingtonia californica Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-13 4800 Siskiyou along road from Callahan to Carrville and Trinity Center 0.1 mi n summit of divide w of Scott Mt. (in swampy meadow, just n of Trinity-Siskiyou County line) 1615 Comment
  OBI55458  Darlingtonia californica David J. Keil, Kathleen Keil 1992-7-21 23545 Siskiyou Klamath Natl Forest SE of Callahan. Forest Road 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  POM92221  Darmera peltata Geo. D. Butler 1910-4-24 1234 Siskiyou Shakleford Creek Comment
  CHSC63417  Dasiphora fruticosa Vernon H. Oswald; Lowell Ahart 1994-7-11 6402 Siskiyou Gumboot Creek on the upstream side of Forest Rd. 26 (to Mt. Shasta), ca. 0.5 mi NE of Gumboot Lake, W of Dunsmuir. 1783 Comment
  RSA239008  Datisca glomerata Frederick W. Oettinger 1966-7-25 39 Siskiyou Along Black Gulch Road roadside; Salmon River District; Klamath N.F.; Cecilville. Comment
  JEPS43421  Delphinium andersonii Geo. D. Butler 1909-4-14 642 Siskiyou near Yreka Comment
  CAS-BOT-BC8952  Delphinium decorum subsp. tracyi Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou Summit of Salmon Mtn. Comment
  HSC98361  Delphinium depauperatum G. L. Clifton 1979-7-1 6170 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  HSC63252  Delphinium glaucum M. A. Baker 1979-7-28 1065 Siskiyou Wooley Creek Comment
  HSC733  Delphinium glaucum William J. Ferlatte 1966-8-18 404 Siskiyou 3 mi. S of Big Flat 1585 Comment
  CAS-BOT-BC9891  Delphinium nudicaule Doris K. Kildale 1930-6-1 9852 Siskiyou summit between Sawyers Bar and Etna Mills Comment
  CAS-BOT-BC116164  Delphinium nuttallianum John Thomas Howell 1937-7-24 13404 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  HSC684  Delphinium nuttallianum William J. Ferlatte 1967-6-29 577 Siskiyou Dorleska Summit 2134 Comment
  HSC19082  Delphinium nuttallianum J. O. Sawyer 1969-7-11 1320 Siskiyou Slope above S Fork of Sugar Creek 1982 Comment
  JEPS23390  Delphinium nuttallianum Hilda W. Grinnell 1935-6-7 Siskiyou Dry Lake Ranger Station (really D. L. Lookout) Siskiyou Mts., Klamath Nat. Forest (top of slope above snowbanks, n of and above Horse Creek P.O. on the Klamath River) 2062 Comment
  RSA12574  Delphinium nuttallianum Carl B. Wolf 1934-7-6 6012 Siskiyou 1/2 mile below Wagon Camp, S slope of Mt. Shasta 1524 Comment
  HSC26573  Deschampsia cespitosa J. P. Smith 1972-8-17 5746 Siskiyou Medicine Lake 2012 Comment
  CAS-BOT-BC192461  Deschampsia cespitosa subsp. cespitosa Louis C. Wheeler 1934-8-14 3128 Siskiyou Klamath National Forest, N. side White Mt. 1767 Comment
  HSC75105  Deschampsia danthonioides J. P. Smith, Thomas W. Nelson 1979-6-16 10131 Siskiyou Hwy. 3, 4.4 mi. from the Scott Mt. summit. 1220 Comment
  CAS-BOT-BC201942  Deschampsia elongata Lewis S. Rose 1945-6-18 45122 Siskiyou Horse Creek & Klamath River 502 Comment
  HSC34144  Deschampsia elongata J. O. Sawyer 1969-7-10 1438 Siskiyou Rocky ridge S of Jackson Lake. 1951 Comment
  POM229971  Deschampsia elongata L. C. Wheeler 1935-7-26 3704 Siskiyou Siskiyou mountains; Jaynes Canyon. 1951 Comment
  CHSC93557  Descurainia incisa subsp. filipes Lowell Ahart; John Dittes 2005-6-10 12062 Siskiyou Near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CAS-BOT-BC43086  Descurainia longipedicellata Roxana S. Ferris; Laura Lorraine 1948-6-12 11854 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side. 1417 Comment
  CAS-BOT-BC388466  Dianthus deltoides Duncan Dunning 1921-7-16 s.n. Siskiyou Toad Lake, southeast of Toad Mountain, northwest of Hambone, southeastern Siskiyou County Comment
  UCR143359  Dicentra formosa L. C. Wheeler 1934-8-2 3013 Siskiyou Siskiyou Mtns, Head of Jaynes Canyon 2043 Comment
  SEINET10573675 Image available Dicentra pauciflora John G. Lemmon 1879-7-12 Lemmon s.n. Siskiyou Scott Mountain. Comment
  RSA755953  Dichelostemma ida-maia Robert F. Thorne 1969-8-2 63350 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  UC164280  Dichelostemma multiflorum Geo. D. Butler 1910-5-18 1361 Siskiyou Yreka Comment
  CAS-BOT-BC291007  Dieteria canescens var. shastensis L. E. Smith 1915-8-1 s.n. Siskiyou Bray Comment
  UC609337  Dieteria canescens var. shastensis Eleanor Burks Hart 1938-8-16 943 Siskiyou Lower Wright Lake 2225 Comment
  UC75817  Dieteria canescens var. shastensis Milo S. Baker 1898-8-1 474 Siskiyou Medicine Lake Comment
  SEINET4170351  Disporum hookeri Unknown 1921-9-14 Siskiyou Siskiyou Comment
  UC1409477  Dodecatheon alpinum Frederick W. Oettinger 1969-7-15 1029 Siskiyou High Lake Basins in the vicinity English Peak (Bear Meadow spring, midway between Tom Taylor Cabin and English Peak summit, Marble Mountain Wilderness Area, Salmon Mountains); Marble Mountain Wilderness Area, Salmon Mountains 1996 Comment
  HSC63073  Dodecatheon hendersonii David Wheeler 1979-4-1 14 Siskiyou Haypress Meadows turnoff along the Salmon River, 1/4 mi. from S.R. 96 Comment
  JEPS82488  Dodecatheon jeffreyi Gilbert Muth 1965-8-6 187 Siskiyou backside of Black Mt. Marble Mt. Wilderness Area, Black Mt. 2042 Comment
  CHSC86665  Downingia bacigalupii Jenny Marr 1993-7-1 48 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UCD77609  Downingia bacigalupii Robert E. Preston 2002-6-22 1885 Siskiyou Ca. 0.6 miles SW of Cayton, on W side of Hwy 89 958 Comment
  CHSC71479  Downingia pulcherrima Vernon H. Oswald; Lowell Ahart 1998-7-21 9356 Siskiyou Northeast of Weed, east of Grass Lake, and west of Bray on Old State Highway 0.8 mi east of Tennant Rd. 1417 Comment
  SBBG25839  Downingia yina D. Myrick 1966-8-8 1475 Siskiyou Mountain Meadow Ranch, Big Flat Comment
  CAS-BOT-BC41757  Draba howellii John Thomas Howell 1939-8-10 15249 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  HSC101870  Draba howellii R. D. Whittlesey 2013-6-5 7 Siskiyou Near Castella: 3.1 mi. north from State Park entrance up Castle Dome Trail. 1514 Comment
  HSC57402  Draba howellii G. L. Clifton, Terry Griswold 1979-7-26 10151 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  HSC61208  Draba howellii Al Hobart 1967-8-9 Siskiyou El Capitan Comment
  HSC61985  Draba howellii Al Hobart Siskiyou Preston Peak Comment
  JEPS20039  Draba nemorosa George D. Butler 1909-4-4 575 Siskiyou Butcher Hill near Yreka; Butcher Hill near Yreka Comment
  RSA0011654  Drosera anglica D. V. Hemphill 1972-8-9 s.n. Siskiyou Isinglass Lake. 1982 Comment
  CAS-BOT-BC159437  Drymocallis glandulosa var. glandulosa Lewis S. Rose 1945-6-18 45059 Siskiyou Horse Creek & Klamath River 502 Comment
  HSC31284  Drymocallis glandulosa var. reflexa Frederick W. Oettinger 1968-8-15 526 Siskiyou Marble Mountains Wilderness Area, High Lakes Basins, E side of Hancock Lake 1921 Comment
  CAS-BOT-BC159293  Drymocallis lactea var. lactea John Thomas Howell 1939-8-2 14940 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  JEPS84345  Dulichium arundinaceum Wayne Roderick 1984-8-5 Siskiyou 13 air mi w of Dunsmuir (Cedar Lake); Cedar Lake 1828 Comment
  HSC65322  Dysphania botrys J. P. Smith, Steve Selva 1970-7-17 4438 Siskiyou 915 Comment
  CAS-BOT-BC197268  Echinochloa muricata var. microstachya Carl B. Wolf 1927-8-26 994 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  CAS-BOT-BC197269  Echinochloa muricata var. microstachya Edward Lee 1934-8-10 1018 Siskiyou Klamath River, south bank between McKinney and Parkerhouse creeks 609 Comment
  NY51020  Eleocharis decumbens H. E. Brown 1897-6-11 424 Siskiyou North side of Mt. Shasta 1524.0 Comment
  JEPS125883  Eleocharis engelmannii Dean W. Taylor 1996-7-27 15865 Siskiyou Klamath National Forest; Grass Lake, about 15 air miles NE of Weed. Comment
  JEPS100758  Elodea canadensis Dean W. Taylor 1999-8-12 17346 Siskiyou Blue Pond, Quartz Valley (ca. 1 mile North of Mugginsville) 853 Comment
  JEPS84001  Elymus X aristatus L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6433 Siskiyou Hell's Canyon Kangaroo Mountain (cirque at head, e slope of mt., ca 5 mi n of town of Seiad Valley) 1828 Comment
  UCR143506  Elymus caput-medusae L. C. Wheeler 1935-6-4 3546 Siskiyou Grenada, Shasta Valley 793 Comment
  POM359942  Elymus elymoides M. B. Dunkle 1945-1 9323 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  UCD61416  Elymus elymoides Dean Wm. Taylor 1975-8-14 5365 Siskiyou Subalpine slopes and alpine openings in subalpine forest, between Shasta Ski area and Green Butte, Mt. Shasta. 2590 Comment
  UCD61650  Elymus elymoides subsp. californicus Robert E. Preston 2001-6-23 1624 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn. 1706 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
  CAS-BOT-BC206607  Elymus glaucus subsp. glaucus Copeland 1903-9-6 3802 Siskiyou Mt. Eddy Comment
  UC197108  Elymus glaucus subsp. jepsonii Geo. D. Butler 1908-7-20 466 Siskiyou Humbug Creek Comment
  HSC101713  Elymus repens J. P. Smith, J. O. Sawyer 2011-6-25 13262 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  HSC91440  Elymus spicatus Jennifer Whipple 1977-8-4 2152 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2439 Comment
  CHSC106273  Elymus trachycaulus subsp. trachycaulus Lowell Ahart; John Dittes 2010-7-30 16968 Siskiyou About 20 yards south of the Shasta River, about 50 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  RSA237654  Epilobium angustifolium subsp. circumvagum Frederick W. Oettinger 1967-8-21 314 Siskiyou Northwest of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1878 Comment
  UC618663  Epilobium brachycarpum W. Bridge Cooke 1938-7-22 11321 Siskiyou along the road near end of Sisson Southern Trail; Mount Shasta Comment
  HSC69374  Epilobium brachycarpum J. O. Sawyer, J. Cole 1980-7-19 3678 Siskiyou Near FS Rd. 45N0 2018 Comment
  HSC77233  Epilobium brachycarpum L. P. Janeway 1983-8-13 536 Siskiyou Along Rd. 17N32 (the S Fork Indian Creek Rd.) 12 mi. from Indian Creek Rd. 976 Comment
  HSC69568  Epilobium ciliatum subsp. ciliatum Maralyn A. Renner 1980-8-6 2269 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  UC1188196  Epilobium ciliatum subsp. ciliatum Philip A. Munz 1960-8-21 24206 Siskiyou roadide ditch 10 mi n Weed Comment
  POM256465  Epilobium ciliatum subsp. ciliatum Edward Lee 1934-8-13 1068 Siskiyou Happy Camp to Waldo (Oregon) road, watershed of West Branch of Indian Creek, Klamath National Forest. 1372 Comment
  RSA424894B  Epilobium ciliatum subsp. ciliatum 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
  RSA237577  Epilobium ciliatum subsp. glandulosum Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1305 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  HSC64496  Epilobium densiflorum J. P. Smith, Steve Selva 1970-7-17 4414 Siskiyou Along Klamath River. Comment
  HSC69108  Epilobium glaberrimum Maralyn A. Renner 1980-8-6 2298 Siskiyou Cracker Meadow 1555 Comment
  UC618800  Epilobium glaberrimum subsp. glaberrimum W. Bridge Cooke 1938-7-15 11193 Siskiyou Bear Springs Meadow Mount Shasta, Bear Springs (marshy portion) Comment
  RSA50228  Epilobium glaberrimum subsp. glaberrimum E. K. Balls 1949-7-9 13936 Siskiyou 8.3 miles from Etna on road to Sawyer s Bar. 1006 Comment
  UC1034571  Epilobium glaberrimum subsp. glaberrimum Douglas Barbe 1955-7-26 282 Siskiyou n slope Klamath Mountains, Scott Mountain 1920 Comment
  HSC36424  Epilobium hallianum J. O. Sawyer 1969-7-18 1158 Siskiyou E of Waterdog Lake 2012 Comment
  HSC48282  Epilobium hallianum J. O. Sawyer, Ken Stillman 1978-7-6 3350 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  UCD80892  Epilobium hallianum Robert E. Preston 2001-7-21 1720 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, north slope of Rainbow Mountain. 2066 Comment
  POM222043  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1939-7-26 13739 Siskiyou Near the sources of the springs which feed the creeks in Panther Creek Meadows; Mount Shasta 2439 Comment
  POM259013  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1940-8-8 15434 Siskiyou Mount Shasta: Along Squaw Valley Creek 2287 Comment
  RSA183679  Epilobium lactiflorum Gilbert Muth 1965-8-11 205 Siskiyou On trail to 4 corners, Marble Valley, Marble Mountains Comment
  HSC68491  Epilobium minutum Maralyn A. Renner 1980-6-9 853 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  UC1540005  Epilobium minutum M. Mitchell 1936-5-22 52 Siskiyou Black Crater Lava Beds National Monument 1356 Comment
  RSA237396  Epilobium minutum Frederick W. Oettinger 1969-8-12 1340 Siskiyou Below metal bridge, 1 mile down from Etna Summit on trail between Yellow Dog Creek and Abbotts Lake Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  SEINET10632312  Epilobium oreganum A. Arthur Heller 1914-8-25 Heller 11712 Siskiyou Granite sand near Deetz station opposite Black Butte, wet grassy place 1140 Comment
  CAS-BOT-BC171858  Epilobium septentrionale Maxine Wilkes 1940-8-20 s.n. Siskiyou Cliff Lake, Marble Mts. Comment
  CAS-BOT-BC171863  Epilobium septentrionale John Thomas Howell 1937-7-29 13639 Siskiyou Scott Mt. between Trinity and Siskiyou counties Comment
  CAS-BOT-BC58021  Equisetum Melissa A. Berry 1957-7-8 s.n. Siskiyou N. Fork of the Salmon River. 609 Comment
  SEINET208833 Image available Equisetum arvense E. L. Smith, R Maguire 1967-5-22 Siskiyou City of Mt Shasta 1086 Comment
  HSC22470  Equisetum hyemale subsp. affine J. O. Sawyer 1969-6-11 826 Siskiyou Lower slope next to the C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  CDA42478  Equisetum laevigatum L. Ahart, John Dittes 2006-6-1 12107 Siskiyou 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. Comment
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Oct 5 2019
  CAS-BOT-BC57807  Equisetum laevigatum J. H. Thomas 1949-6-16 941 Siskiyou 10 mi. n. of Gazelle. Comment
  HSC22141  Eremogone congesta J. O. Sawyer 1969-7-7 1074 Siskiyou S facing ridge above Big Duck Lake 2226 Comment
  HSC68335  Eremogone congesta Maralyn A. Renner 1980-6-26 1233 Siskiyou SE edge of Flint Valley. 1390 Comment
  CAS-BOT-BC174233  Eremogone congesta var. congesta Carl B. Wolf 1934-7-5 5965 Siskiyou Siskiyou Mts., 3 6/10 mi. from Dry Lake Lookout on road to Horse Creek 1981 Comment
  CAS-BOT-BC481932  Eremogone congesta var. crassula Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  CAS-BOT-BC58394  Ericameria bloomeri R. C. Wenk 2008-8-31 989 Siskiyou South Fork of Salmon River, Yellow Rose Mine above Big Flat Meadow. 1981 Comment
  HSC2325  Ericameria bloomeri Geo. D. Butler 1910-8-7 1823 Siskiyou Humbug Mtns. 1220 Comment
  OBI55535  Ericameria bloomeri David J. Keil, Kathleen Keil 1992-7-24 23563 Siskiyou East of McCloud along hwy 89, 22.6 mi W of Shasta County line Comment
  RSA211196  Ericameria bloomeri William J. Ferlatte 1966-9-18 486 Siskiyou Big Flat, near public camp 1524 Comment
  SEINET193114  Ericameria bloomeri A. A. Heller 1939-7-31 15428 Siskiyou Junction of the Horse Camp and Panther Meadow roads Mount Shasta Comment
  UC134298  Ericameria bloomeri Dr. E. B. Copeland 1903-9-8 3922 Siskiyou Igerna 1158 Comment
  UC618706  Ericameria nauseosa var. speciosa unknown 1938-8-5 11451 Siskiyou near MacBride Springs; Mount Shasta, Diller Canyon 1524 Comment
  CAS-BOT-BC294306  Ericameria nauseosa var. speciosa Hy Edwards 1875-7-1 649 Siskiyou Strawberry Valley Comment
  CHSC99715  Erigeron aliceae L. P. Janeway 2008-7-24 9485 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 1.3 air km east of Condrey Mountain. 2050 Comment
  HSC61780  Erigeron aliceae Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  UC581713  Erigeron aliceae Joseph P. Tracy 1935-8-4 14523 Siskiyou head of Plummer Creek (e of Mary Blaine Mt., at point called Snow Prarie); , Snow Prarie 1828 Comment
  JEPS82247  Erigeron bloomeri Roger Raiche 1983-8-14 30612 Siskiyou near summit of road to Mt. Eddy ((A.K.A. road to dead fall Meadow, park Creek Road, or Forest Road 42N17)) 2133 Comment
  CAS-BOT-BC294506  Erigeron bloomeri var. bloomeri Gilbert Muth 1966-7-22 436 Siskiyou Marble Rim, Marble Mts. 2194 Comment
  HSC61209  Erigeron cervinus Al Hobart 16 Jul [year missing] Siskiyou El Capitan Comment
  RSA715807  Erigeron divergens L. Ahart, John Dittes 2005-6-10 12080 Siskiyou South edge of irrigation pasture, east of a poor dirt road, about 80 yards northeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  SEINET516160  Erigeron elegantulus Vernon H. Oswald 1998-6-27 9239 Siskiyou Dry Lake on the south side of Rennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. 1402 Comment
  CAS-BOT-BC300472  Erigeron filifolius Edwin B. Copeland 1903-9-8 s.n. Siskiyou Foot of Mt. Eddy 1219 Comment
  HSC68279  Erigeron foliosus var. mendocinus J. P. Smith, Steve Selva 1970-6-15 3926 Siskiyou 10 mi. NW of Forks of Salmon Comment
  UC1409459  Erigeron glacialis var. glacialis Frederick W. Oettinger and R. F. Thorne 1969-8-4 1174 Siskiyou High Lake Basins in the vicinity of English Peak, meadow n of Tobacco lake; Salmon Mountains, Western Siskiyou County, Marble Mountain W 1889 Comment
  HSC714  Erigeron glacialis var. glacialis William J. Ferlatte 1967-8-20 1046 Siskiyou Trinity Alps, Caribou Basin, Sawtooth Ridge, N-facing slope 2256 Comment
  SEINET10473743  Erigeron inornatus Mary Merello 1993-6-25 Merello 726 Siskiyou Shasta National Forest. At end of Forest Service Road 39N 28, road to Lower Falls and Fowlers Campground. Open conifer woodlands. Disturbed. Along McCloud River. 970 Comment
  UC60966  Erigeron inornatus var. inornatus Geo. B. Grant 1902-9-3 5173 Siskiyou Mount Shasta, Sisson Comment
  UC1539990  Erigeron linearis Roseberry 1936-5-21 42 Siskiyou 1 mi ne Whitney Butte; Lava Beds National Monument Comment
  UC725338  Erigeron petrophilus var. viscidulus A. A. Heller 1918-7-16 13032 Siskiyou Mt. Eddy Comment
  RSA789814  Erigeron petrophilus var. viscidulus Rebecca Wenk 2005-7-20 351 Siskiyou National Forest Road 17, 1 mile down road to the north, heading towards Mt. Shasta Comment
  CAS-BOT-BC300091  Erigeron philadelphicus Laura M. Lathrop 1903-7-17 s.n. Siskiyou Sisson Comment
  CAS-BOT-BC300095  Erigeron philadelphicus L. B. Kildale 1930-5-31 9806 Siskiyou Island in Klamath River near Hornbrook Comment
  POM312495  Erigeron pumilus var. intermedius H. L. Mason 1948-7-18 13609 Siskiyou Grass Lake Comment
  HSC96824  Eriodictyon californicum S. Lyon, J. McIntire 2006-6-25 27 Siskiyou 1 mi. W of Blackbear Summit at jct. of USFS Rd. 39N28 and 39N41 1341 Comment
  OBI78913  Eriogonum Anthony Baniaga 2011-7-8 430 Siskiyou Klamath National Forest, along Salmon River on Highway 93. quadrangle. 694 Comment
  HSC92093  Eriogonum alpinum Jennifer Whipple 1978-10-6 2411 Siskiyou E face of ridge above Dale Creek Drainage 2256 Comment
  JEPS83816  Eriogonum alpinum L. R. Heckard 1967-8-13 1687 Siskiyou Mt. Eddy; near summit 2712 Comment
  UCR42328  Eriogonum compositum G. R. Ballmer 1986-5-14 s.n. Siskiyou Hornbrook, at the exit from I-15 640 Comment
  HSC30509  Eriogonum compositum var. compositum Frederick W. Oettinger 1969-8-6 1254 Siskiyou Marble Mtns. Wilderness Area, New York Flumes between Pine Lake and Tom's Lake 1860 Comment
  SEINET6179443  Eriogonum diclinum James L. Reveal, Mark L. Reveal 1975-8-15 3856 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Dry Lake Lookout Road (Forest Service Road 40S01), 0.5 mi W of Dry Lake Lookout near the Buckthorn Trail.; 0 2042 Comment
  UC609321  Eriogonum elatum Eleanor Burks Hart 1938-8-15 926 Siskiyou n side of Upper Wright Lake Upper Wright Lake 2225 Comment
  JEPS83657  Eriogonum elatum var. elatum R. Raiche 1987-7-27 70532 Siskiyou near Del Norte Co. line (just s of Oregon border; Little Grayback Ridge); Little Grayback Ridge 1676 Comment
  HSC77152  Eriogonum hirtellum L. P. Janeway 1983-6-26 349 Siskiyou Below Rd. 18N33 0.5 mi. from the Grayback Rd. 976 Comment
  CAS-BOT-BC261213  Eriogonum hirtellum Rimo Bacigalupi; L. Constance; L. R. Heckard 1960-7-20 7458 Siskiyou Between Indian Creek drainage, N. Fk. Twin Valley Creek and Illinois Riv. drainage (Dunn Creek), boundary line - Del Norte and Siskiyou Counties 1615 Comment
  LA206928  Eriogonum latifolium Marcus E. Jones; 1931-8-2 28860 Siskiyou Klamath Comment
  UC849524  Eriogonum marifolium L. E. Smith 1915-1 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC263177  Eriogonum marifolium var. cupulatum A. A. Heller 1920-8-12 13522 Siskiyou Between Horse Camp and the spring, Mt. Shasta Comment
  RSA601667  Eriogonum niveum Louis C. Wheeler 1935-6-27 3610 Siskiyou Greenview, Scott Valley. 884 Comment
  UCD100507  Eriogonum nudum Daryl Koutnik; Martha Townsend 1979-9-10 592 Siskiyou Five miles southwest of Yreka on Fort Jones Road. 914 Comment
  HSC43012  Eriogonum nudum var. nudum J. P. Smith 1973-5-5 6561 Siskiyou Scott Bar along the Scott River Comment
  JEPS56652  Eriogonum nudum var. nudum W. L. Jepson 1914-8-13 5788 Siskiyou Lessin 1097 Comment
  HSC17326  Eriogonum nudum var. pubiflorum D. M. Thomson 1965-7-10 130 Siskiyou Lava Beds N.M., 0.5 mi. S of Cauldwell Butte along main rd. Comment
  SDSU6799  Eriogonum nudum var. pubiflorum D. F. Howe 1969-8-31 4673 Siskiyou 4.2 miles south of Yreka, on #5. 823 Comment
  CAS-BOT-BC267705  Eriogonum roseum Edward Lee 1934-8-11 1040 Siskiyou East of the mouth of Walker Creek, a tributary of the Klamath River, east end of Seiad Valley Comment
  POM105392  Eriogonum sphaerocephalum Geo. D. Butler 1910-5-27 1417 Siskiyou Dry hill Yreka. Comment
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Jan 23 2011
  UC1442635  Eriogonum sphaerocephalum var. halimioides William J. Ferlatte 1978-5-28 1905 Siskiyou hills ne Yreka (0.4 mi e of Interstate 5, 0.2 mi n of Hwy. 3 on way to Montague) 830 Comment
  CAS-BOT-BC262753  Eriogonum strictum var. anserinum Elmer I. Applegate 1932-6-8 9441 Siskiyou Bear-paw [Bearpaw] Cave, Lava Beds National Monument Comment
  UC1735886  Eriogonum strictum var. anserinum Dean W. Taylor 1987-8-7 9255 Siskiyou Caldwell Butte, Lava Beds National Monument 1499 Comment
  HSC17431  Eriogonum strictum var. greenei W. L. Jepson 1940-6-23 19980 Siskiyou Yreka 823 Comment
  CAS-BOT-BC263388  Eriogonum strictum var. proliferum Peter H. Raven 1956-9-4 10403 Siskiyou South side Mt. Eddy 2560 Comment
  HSC69206  Eriogonum umbellatum Maralyn A. Renner 1980-9-1 2679 Siskiyou Bear Mtn. 1936 Comment
  UCSB25088  Eriogonum umbellatum Keefe, Joseph 1967-7-11 Siskiyou Little Castle Lake, southeast of Castle Lake, 10 miles southwest of city of Mt. Shasta 1981 Comment
  HSC43413  Eriogonum umbellatum var. argus K. T. Stillman 1976-7-31 350 Siskiyou Marble Mountain Wilderness Area: N from Black Mtn. towards Jump off point. 210 Comment
  RSA237775  Eriogonum umbellatum var. argus Frederick W. Oettinger 1969-8-25 1548 -a Siskiyou Midway between Tom Taylor Cabin and Little North Fork River trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mt Wilderness Area. 2012 Comment
  SEINET7545232  Eriogonum umbellatum var. argus J. L. Reveal, M. L. Reveal 1975-1 3955 Siskiyou Siskiyou Mts. Klamath National Forest, along the Dry Lake Lookout Rd., 0.5 mi. W of Dry Lake Lookout near the Buckthorn Trail 2042 Comment
  RSA60649  Eriogonum umbellatum var. humistratum Dorothy Parker 1948-8-16 s.n. Siskiyou Near summit of Salmon Mountain. 1814 Comment
  RSA420694  Eriogonum umbellatum var. modocense M. B. Dunkle 1944-6-18 9128 Siskiyou Siskiyou National Forest. Comment
  SEINET245423 Image available Eriogonum ursinum James L. Reveal, Julie D. Knorr 2002-8-5 8371 Siskiyou Scott Bar Mountains; Scott Bar Mountains, n and w slope and ridge of Deadwood Baldy Peak, Klamath National Forest. 1675 Comment
  HSC96736  Eriogonum ursinum var. erubescens James L. Reveal, Julie Knorr 2002-8-5 8371 Siskiyou Scott Bar Mtns., N and W slope and ridge of Deadwood Baldy Peak, Klamath National Forest 1675 Comment
  SEINET13095711  Eriogonum ursinum var. erubescens Unknown 2002-8-5 8371 Siskiyou Scott Bar Mountains, n and w slope and ridge of Deadwood Baldy Peak, Klamath National Forest. 1670 Comment
  SEINET3860115  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.; 0 1675 Comment
  CDA14218  Eriogonum vimineum G. F. Hrusa 1997-9-18 14105 Siskiyou Summit of Pass between Callahan & Gazelle, W of Mountain House. Comment
  CHSC36179  Eriogonum vimineum K. Bridwell 1978-7-5 165 Siskiyou Ca. 15 mi se of Macdoel, at base of Coyote Ridge. 1341 Comment
  JEPS24804  Eriogonum vimineum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6813 Siskiyou about 3 mi nw Weed (head of Shasta Valley); Shasta Valley 975 Comment
  JEPS83994  Eriophorum crinigerum L. R. Heckard with J. Hickman et al. 1986-7-17 6467 Siskiyou s Lily Pad Lake (trail up peak, ca 5 mi n of town of Seiad Valley); Kangaroo Peak 2011 Comment
  RSA238940  Eriophorum crinigerum Frederick W. Oettinger 1968-8-2 350 Siskiyou Common around small pools in wet boreal meadow that feeds Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  SEINET8850152 Image available Eriophorum gracile H. E. Brown 1897-7-15 628 Siskiyou South side of Mt. Shasta 1524 Comment
  CHSC4723  Eriophyllum lanatum R. Carter 1966-5-15 403 Siskiyou One mile E of Calahan on N side of Callahan-Gazelle Rd., opposite a small meadow. 914 Comment
  SEINET10854116  Eriophyllum lanatum Katherine L. Morris, Melvin L. Conrad; David B. Dunn 1973-6-2 Morris 341 Siskiyou Found at the junction of Shasta and Klamath Rivers on Hwy. 263. Comment
  CAS-BOT-BC301127  Eriophyllum lanatum var. achilleoides Alice Eastwood; John Thomas Howell 1934-4-20 1763 Siskiyou Near Yreka along Shasta River Comment
  HSC67809  Eriophyllum lanatum var. achilleoides J. O. Sawyer, J. Cole 1980-7-22 3917 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  UC1035411  Eriophyllum lanatum var. achilleoides David D. Keck 1953-7-31 6535 Siskiyou 3.5 mi s of Grass Lake (Deer Mountain Service Station) Comment
  UC163918  Eriophyllum lanatum var. achilleoides unknown 1910-5-4 1279 Siskiyou dry hill near Yreka Comment
  CAS-BOT-BC301135  Eriophyllum lanatum var. achilleoides L. Constance 1933-6-21 E 85 Siskiyou 9 miles north of Weed Comment
  CAS-BOT-BC301448  Eriophyllum lanatum var. grandiflorum A. A. Heller 1916-6-22 12438 Siskiyou Near Black Butte north of Sisson 1097 Comment
  CAS-BOT-BC301449  Eriophyllum lanatum var. grandiflorum A. A. Heller 1916-6-23 12438 Siskiyou Near Black Butte north of Sisson 1127 Comment
  JEPS34486  Eriophyllum lanatum var. grandiflorum W. L. Jepson Jul 24 1894-Aug 10 1894 14572 Siskiyou plateau at Upton; upper Sacramento Comment
  CAS-BOT-BC308278  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 1417 Comment
  CAS-BOT-BC308281  Eriophyllum lanatum var. integrifolium L. Constance 1940-7-26 15368 Siskiyou Diller Canyon, Mount Shasta 2133 Comment
  JEPS95652  Eriophyllum lanatum var. integrifolium Vernon H. Oswald and L. Ahart 1999-7-5 9820 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southeast of Gazelle-Callahan Hwy., 0.6 mi north-west of the highway summit: T40N R7W Sect. 32, 5150 ft, mixed coniferous forest 1569 Comment
  CAS-BOT-BC308279  Eriophyllum lanatum var. integrifolium J. R. Hall 1912-7-3 73 H Siskiyou Klamath Forest 1219 Comment
  CAS-BOT-BC301702  Eriophyllum lanatum var. lanceolatum Alice Eastwood 1922-10-18 11534 Siskiyou Shasta Springs Comment
  HSC60388  Eriophyllum lanatum var. lanceolatum Carl Wishner 1978-8-1 554 Siskiyou Cuddihy Lakes Basin, Marble Mtn. Wilderness Area Comment
  HSC74872  Eriophyllum lanatum var. lanceolatum J. P. Smith, Jennifer Whipple 1978-7-2 9972 Siskiyou Klamath National Forest, ridge trail E of Cook and Green Pass 1341 Comment
  RSA184629  Eriophyllum lanatum var. lanceolatum Clare B. Hardham 1965-8-20 13039 Siskiyou Marble Mountains, near Cudahy lakes. Granite Trail. 1524 Comment
  UC609331  Eriophyllum lanatum var. lanceolatum Eleanor Burks Hart 1938-8-15 888 Siskiyou Upper Wright Lake; n side 2225 Comment
  CAS-BOT-BC54587  Erysimum capitatum F. D. Douthitt 1919-5-17 12 Siskiyou Rattlesnake Ridge. 1066 Comment
  CAS-BOT-BC55121  Erysimum perenne Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mountains. 1889 Comment
  SEINET8340793  Erythranthe breweri J. M. Tucker 1974-7-28 4315 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  CDA39347  Erythronium californicum D. Osterhandt & D. H. Shaw 1978-3-31 s.n. Siskiyou Along road between Forks of Salmon and Somes Bar, southwestern part of county. 0 Comment
  JEPS103790  Erythronium klamathense Martin J. Lenz 2003-5-1 3 Siskiyou North Fork Bear Creek, 3.1 mi (air) NW of Pondosa 1276 Comment
  CAS-BOT-BC403672  Eschscholzia californica L. E. Smith 1914-6-9 715 Siskiyou Yreka Comment
  CAS-BOT-BC310459  Eucephalus ledophyllus var. ledophyllus K. T. Stillman 1976-9-9 470 Siskiyou Marble Mountain Wilderness Area. N & NE & E side of Black Mtn. Comment
  RSA120927  Euphorbia crenulata Milo S. Baker, Douglas Barbe, H. K. Wagnon 1957-6-15 13104 Siskiyou Just south of Weed. Comment
  UC618851  Eurybia radulina W. Bridge Cooke 1938-8-19 11511 Siskiyou Howard Mount Shasta 1219 Comment
  HSC75132  Festuca californica J. P. Smith, Thomas W. Nelson 1979-6-16 10132 Siskiyou Along State Route 3, 3.1mi from Scott Mtn. summit. 1280 Comment
  CAS-BOT-BC278726  Festuca idahoensis John Thomas Howell 1939-8-9 15240 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  HSC103047  Festuca idahoensis J. P. Smith 2014-6-7 13905 Siskiyou Along Forest Service Road 40N08, east of State Route 3 1701 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
  HSC76703  Festuca idahoensis K. T. Stillman 1976-7-14 222 Siskiyou Marble Mtn. Wilderness Area, Kings Castle 2073 Comment
  HSC92559  Festuca idahoensis Jennifer Whipple 1977-8-4 2154 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2439 Comment
  RSA239115  Festuca idahoensis Frederick W. Oettinger 1969-8-16 1410 Siskiyou Northeast Wire Grass Meadow, above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  SEINET10521968  Festuca idahoensis Stillman 1976-6-25 STILLMAN 99 Siskiyou Scott bar quad. T43n,r12w,sec.15. Montane and subalpine meadows. Marble Mountain wilderness area. Between marble gap and elk valley trail Comment
  UC796737  Festuca occidentalis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11744 Siskiyou w of Callahan (French Creek Logging Road) 1066 Comment
  UCD66154  Festuca occidentalis A. A. Heller 1915-7-18 12123 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  UC197109  Festuca pratensis Geo. D. Butler 1909-8-16 862 Siskiyou near Yreka (along creek) Comment
  SEINET10929889  Festuca rubra var. megastachys A. Arthur Heller 1921-7-17 Heller 13580 Siskiyou Gravelly slope of Mt. Eddy south of Wagon creek, in the Hudsonian zone. 2286 Comment
  HSC32288  Festuca subuliflora J. O. Sawyer 1970-6-17 2206 Siskiyou Dry slopes N of Sugar Lake 1799 Comment
  HSC36951  Fragaria vesca J. P. Smith 1974-5-26 7555 Siskiyou Along FS Rd. 47N03 1524 Comment
  CAS-BOT-BC437074  Fragaria vesca subsp. bracteata A. A. Heller 1916-6-20 12406 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC457570  Fragaria vesca subsp. californica Doris K. Kildale 1929-4-27 7555 Siskiyou Cecilville Comment
  UCD113273  Fragaria virginiana J. M. Tucker; D. V. Hemphill 1974-7-26 4295 Siskiyou Vicinity of Let 'Er Buck Meadows, ca. 1/2 mile southeast of Haypress Meadows, Marble Mountain Wilderness Area. 1432 Comment
  HSC59639  Frangula californica J. P. Smith 1973-5-5 6566 Siskiyou Scott Bar along the Scott River Comment
  CAS-BOT-BC53266  Frangula californica subsp. californica Carl B. Wolf 1927-8-27 1153 Siskiyou On the Klamath River 1 mile above the Salmon River Comment
  CAS-BOT-BC59990  Frangula purshiana Edward Lee 1934-8-15 1124 Siskiyou Summit of Happy Camp to Waldo (Oregon) road, Indian Creek watershed, Klamath National Forest. 1615 Comment
  CAS-BOT-BC60016  Frangula purshiana Doris K. Kildale 1928-7-3 5440 Siskiyou Little N. Fork Salmon River near mouth. Comment
  CAS-BOT-BC60019  Frangula purshiana W. R. Dudley 1901-8-25 s.n. Siskiyou Creek along Callahan's. Comment
  HSC18420  Frangula rubra subsp. modocensis D. M. Thosmon 1965-8-14 183 Siskiyou Base of S side of Caldwell Butte, Lava Beds National Monument, 0.25 mi from rd. Comment
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Sep 14 2016
  SBBG28982  Frangula rubra subsp. obtusissima C. B. Wolf 1930-10-22 Siskiyou 3 mi N of Mt Shasta City, along Pacific Hwy 1219 Comment
  SJSU6482  Frasera albicaulis R. W. Trivelpiece 1972-6-9 96 Siskiyou c. 4 mi E of Grass L 1524 Comment
  SEINET3150634  Frasera nitida G. D. Butler 1910-6-2 1451 Siskiyou Dry land near Yreka Comment
  CAS-BOT-BC502835  Fritillaria atropurpurea Wm. Bridge Cooke 1938-7-1 11155 Siskiyou Mount Shasta, below Wagon Camp 1706 Comment
  POM109736  Fritillaria atropurpurea Geo D. Butler 1910-4-24 1235 Siskiyou Kidder Creek Comment
  RSA237920  Fritillaria atropurpurea Frederick W. Oettinger 1969-7-9 943 Siskiyou NW of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  CAS-BOT-BC506211  Fritillaria pudica Doris K. Kildale 1929-4-29 7595 Siskiyou Callahan Comment
  SEINET12045024  Fritillaria pudica L. C. Wheeler 1935-1 3379 Siskiyou Cottonwood Creek, Siskiyou Mts 945 Comment
  POM109777  Fritillaria recurva Geo D. Butler 1909-4-14 596 Siskiyou Humbug Creek 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
  UC1170100  Galium bolanderi W. Bridge Cooke 1956-7-16 30298 Siskiyou above Hotlum Station (n side of mt.); Mount Shasta 1524 Comment
  HSC43142  Galium bolanderi Ken Stillman 1976-8-24 419 Siskiyou E and N slopes of Williams Point 366 Comment
  SD70495  Galium glabrescens F. Ehrendorfer, Stebbins, Dempster 1959-9-26 5963 Siskiyou I(c) mile south-southeast of Castle Lake, southwest of Mount Shasta Village 1830 Comment
  UC888955  Galium glabrescens subsp. glabrescens Alice Eastwood 1912-7-23 1331 Siskiyou Cantara Comment
  RSA165559  Galium glabrescens subsp. glabrescens Clare B. Hardham 1961-7-3 8073 Siskiyou Scott Mountain south of Calahan. Comment
  HSC82001  Galium serpenticum subsp. scotticum Thomas W. Nelson, Jane P. Nelson 1979-6-16 4852 Siskiyou Along Hwy. 3, 3.1 mi. N of Scott Mtn. Summit 1280 Comment
  JEPS101156  Galium serpenticum subsp. scotticum Dean W. Taylor 1996-6-18 15701 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 Comment
  JEPS76802  Galium serpenticum subsp. scotticum Glenn L. Clifton and Chester A. Ground 1978-6-13 1037 Siskiyou ssw Yreka (Forest House) 1036 Comment
  JEPS83626  Galium serpenticum subsp. scotticum Marla Knight 1987-7-14 934 Siskiyou FS. Rd. 40N03 about 0.6 mi ne Hwy. 3 (above road at Hayes Gulch); Klamath National Forest, Scott River District, China Mt. SW 1350 Comment
  HSC19061  Galium triflorum J. O. Sawyer 1969-8-1 1621 Siskiyou NE facing slope near Duck Lake Creek. 1799 Comment
  HSC77762  Galium triflorum L. P. Janeway 1983-9-11 676 Siskiyou Poker Flat 1524 Comment
  CAS-BOT-BC182276  Garrya fremontii John Thomas Howell 1937-7-23 13346 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC29256  Garrya fremontii Frederick W. Oettinger 1968-8-18 581 Siskiyou HIgh Lake basin in the vicinity of English Peak, Marble Mtn Wilderness Area. NE side of Hancock Lake 1936 Comment
  UCR219535  Garrya fremontii R. F. Thorne 1969-8-2 63348 Siskiyou Salmon Mountains, Klamath National Forest, Marble Mountain Wilderness Area, vicinity of English Peak, trail to upper English Lake along Salmon River 1159 Comment
  CAS-BOT-BC182248  Garrya fremontii J. H. Thomas 1954-5-13 4162 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles woutheast of Cecilville 1127 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
  CAS-BOT-BC56289  Gaultheria ovatifolia W. R. Dudley 1899-7-6 s.n. Siskiyou Bartlett trail to Prestons Peak Comment
  HSC34140  Gayophytum diffusum subsp. parviflorum J. O. Sawyer 1969-8-1 1659 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  POM38543  Gayophytum diffusum subsp. parviflorum Geo. D. Butler 1908-8-8 163 Siskiyou Near lake at head of West Fork of Woolly Creek Comment
  RSA237865  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1967-8-21 297 Siskiyou In front of northwest face of Tom Taylor Cabin. The Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountains Wilderness Area 2055 Comment
  POM230315  Gayophytum heterozygum J. T. Howell 1937-7-24 13383 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  UC61660  Gayophytum heterozygum Geo. B. Grant September 1902 5170 Siskiyou Sisson Mount Shasta (in garden) 914 Comment
  POM171561  Gayophytum humile Doris K. Kildale 1928-7-4 5537 Siskiyou 1.5 miles east of summit between Sawyers Bar and Etna Mills 1829 Comment
  JEPS51257  Gentiana newberryi Wayne Roderick 1967-9-3 Siskiyou in region just s South China Mountain (Cabin Meadow near Cabin Meadow Lakes); Cabin Meadow 2133 Comment
  UC1059019  Gentianopsis simplex A. H. Murphy 1956-8-16 56 R Siskiyou Klamath Nat'l Forest, Big Marshy Meadows 1981 Comment
  HSC91280  Gentianopsis simplex Jennifer Whipple 1976-9-4 1791 Siskiyou Mt. Eddy, SW of Dobkins Lake along the drainage into the lake 2226 Comment
  SEINET3151360  Geranium incisum G. D. Butler 1910-6-6 1458 Siskiyou Quartz Valley Comment
  RSA0034455  Geranium viscosissimum var. viscosissimum Geo. D. Butler 1910-6-6 1458 Siskiyou Quartz Valley. Comment
  HSC86552  Geum macrophyllum D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, vicinity of Haypress Meadows 1372 Comment
  CAS-BOT-BC459623  Geum macrophyllum H. A. Thomas; J. H. Thomas 1954-7-21 4436 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek. 1219 Comment
  HSC30508  Geum macrophyllum Frederick W. Oettinger 1969-8-9 1316 Siskiyou Near Young's Cabin, Salmon Mts. 1357 Comment
  CAS-BOT-BC143588  Geum triflorum Geo. D. Butler 1910-6-19 1578 Siskiyou Goosenest foothills 1524 Comment
  UC722695  Geum triflorum C. L. Hitchcock, J. S. Martin 1939-7-9 5326 Siskiyou 1/2 mi se of King's Castle (Marble Mountains); Marble Mountains 1828 Comment
  HSC27596  Gilia capitata Carl W. Mize 1972-6-21 61 Siskiyou 0.25 mi. from main rd. 274 Comment
  RSA237958  Gilia capitata Frederick W. Oettinger 1968-8-16 545 Siskiyou Below Red Hill summit north of Hancock Lake. Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  RSA469330  Gilia capitata N. G. Sugihara 1977-5-28 73 Siskiyou hillside 3 miles up road toward Sawyers Bar from hgwy 96 south of Somes Bar. 1128 Comment
  HSC45795  Gilia capitata subsp. capitata J. P. Smith 1976-5-4 8659 Siskiyou Hwy. 96, 3.7 mi. W of Klamath National Forest boundary 610 Comment
  HSC22313  Glyceria elata J. O. Sawyer 1969-7-18 1399 Siskiyou Above S Russian Creek 1905 Comment
  POM211403  Glyceria leptostachya L. C. Wheeler 1934-6-26 2797 Siskiyou Siskiyou Mountains, Cottonwood Creek. 838 Comment
  HSC30456  Glyceria striata Frederick W. Oettinger, R. F. Thorne 1969-8-7 1283 Siskiyou Salmon Mtns., Upper edge of Sundew Bog, English Lake Basin. 1829 Comment
  POM229180  Glyceria striata L. C. Wheeler 1935-7-24 3693 Siskiyou Jaynes Canyon. Siskiyou Mtns. 1950 Comment
  SEINET10790893  Glyceria striata Lawrence P. Janeway 1983-9-11 Janeway 684 Siskiyou Preston Peak quad (15') T18N, R6E, SW1/4 of sec. 20. Siskiyou Mountains; at Poker Flat, a meadow in a fir forest. On wet edge of a dry "island in middle of the lower wet part of the meadow. 1524 Comment
  CAS-BOT-BC302673  Gnaphalium palustre John Thomas Howell 1939-8-10 15254 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  HSC68458  Goodyera oblongifolia Maralyn A. Renner 1980-7-4 1437 Siskiyou Clear Creek Trail, N of Trout Camp. 1037 Comment
  RSA237631  Goodyera oblongifolia Frederick W. Oettinger 1968-8-5 416 Siskiyou W end of Charmaine Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1921 Comment
  NY169619  Grindelia nana var. turbinella A. A. Heller 1917-9-7 12979 Siskiyou Shasta Valley, 10 miles south of Gazelle 914.4 Comment
  JEPS101589  Hackelia californica Dean W. Taylor 1999-7-18 17274 Siskiyou headwaters of South Fork Hungry Creek (ca. 6 air miles southwest from Hilt) 1432 Comment
  CDA40628  Hackelia californica T. C. Fuller 1962-6-13 8975 Siskiyou Highway 89 to McCloud, 1.2 miles west of Bartle. 0 Comment
  CDA40629  Hackelia californica J. Grisham 1958-6-16 584 -58 Siskiyou Near town of Mt. Shasta. 0 Comment
  UCD18306  Hackelia californica Joe Ditomaso 2001-6-12 s.n. Siskiyou Buck Mtn., near McCloud, off Pilgrim Creek Rd. 1828 Comment
  POM254142  Hackelia micrantha C. L. Hitchcock 1939-7-9 5338 Siskiyou 2 miles south of Black Mt., near Kings Castle. 1829 Comment
  RSA183748  Hackelia micrantha Gilbert Muth 1965-8-17 309 Siskiyou Marble Valley, Marbles Mts. Comment
  HSC41469  Hackelia setosa Ed Cope 1977-7-16 131 Siskiyou Johnson's Hunting Grounds Trail at Wilderness Area border 1677 Comment
  RSA0001258  Haplopappus racemosus subsp. pinetorum D. D. Keck 1938-8-8 4862 Siskiyou Scott Mtns., ridge between Mill and Mule Creeks, 3 mi. S.E. of Scott mt. Lodge. 1340 Comment
  CHSC4164  Hastingsia alba R. Carter 1966-5-15 408 Siskiyou 1.7 mi. SE of Calahan, 1.1 mi. S of intersection of Calahan-Gazelle Rd. and Old Oregon Stage Rd. 1310 Comment
  CAS-BOT-BC504609  Hastingsia alba Alice Eastwood 1912-7-24 1362 Siskiyou Castella Comment
  UCD138752  Hastingsia alba M. V. Maxwell 1941-6-26 s.n. Siskiyou exact location unknown. Comment
  HSC24701  Hastingsia serpentinicola J. O. Sawyer 1969-8-2 1699 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  CAS-BOT-BC306739  Helenium bigelovii A. A. Heller 1914-8-28 11733 Siskiyou East side of Mt. Eddy 2133 Comment
  CAS-BOT-BC306751  Helenium bigelovii Doris K. Kildale 1929-7-20 8704 a Siskiyou Raspberry Lake, upper South Fork of Indian Creek 1828 Comment
  HSC772  Helenium bigelovii William J. Ferlatte 1967-8-17 947 Siskiyou Yellow Rose Mine 1982 Comment
  JEPS16962  Helenium bigelovii Peter H. Raven 1956-9-5 10451 Siskiyou North Fork of the Sacramento River 2194 Comment
  SFV3966  Helenium bigelovii J. M. Tucker 1963-8-17 3738 Siskiyou Marble Mountain Wilderness Area, Lower Red Rock Valley. At edge of Red Rock Creek in moist soil in vicinity of cabin. 1494 Comment
  CAS-BOT-BC306755  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
  JEPS33586  Helianthella californica subsp. shastensis W. L. Jepson 1894-1 Siskiyou Sisson Comment
  CAS-BOT-BC314845  Helianthella californica var. shastensis H. M. Hall; E. B. Babcock 1903-6-1 4056 Siskiyou Near Sisson, Mount Shasta 1066 Comment
  CAS-BOT-BC305576  Helianthus bolanderi Doris Overman 1919-9-1 s.n. Siskiyou Yreka Comment
  CHSC91351  Heliotropium curassavicum Lowell Ahart; John Dittes 2005-6-9 12038 Siskiyou Rocky hill, about 20 yards north of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  UCR80254  Hemizonia fitchii L. C. Wheeler 1934-10-6 3309 Siskiyou Shasta Valley, 2 mi. SE of Yreka 856 Comment
  UC618740  Heracleum lanatum W. Bridge Cooke 1938-7-15 11186 Siskiyou along middle of Bear Spring creek Bear Springs; Mt.Shasta, Bear Springs Comment
  HSC36946  Hesperochiron pumilus J. P. Smith 1974-5-26 7564 Siskiyou Along FS Rd. 47N03 1524 Comment
  RSA184729  Hesperochiron pumilus Gilbert Muth 1966-7-8 368 Siskiyou Marble Valley Meadow. Marble Mtns. 1793 Comment
  CHSC71488  Hesperolinon micranthum Vernon H. Oswald; Lowell Ahart 1998-7-21 9315 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd. northeast of Weed. 975 Comment
  UC133548  Hesperolinon micranthum Dr. E. B. Copeland 1903-7-8 3561 Siskiyou Klamathon Comment
  SEINET10460707  Heterocodon rariflorum Edwin B. Copel 1903-9-6 Copeland 3847 Siskiyou IGERNA, 3800 Comment
  UC894671  Heterotheca oregona var. oregona A. A. Heller 1917-9-7 12976 Siskiyou Comment
  JEPS24029  Heterotheca oregona var. rudis Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6893 Siskiyou Poker Flat Siskiyou Mountains 1536 Comment
  JEPS2413  Heterotheca oregona var. rudis George D. Butler 1908-8-27 321 Siskiyou old mining dump, L. Eastlick's Rancho Oro Fino Comment
  CHSC99997  Heuchera merriamii L. P. Janeway 2008-7-25 9494 Siskiyou Klamath Ranges. Siskiyou Mountains; rock wall at head of Hello Canyon, 0.6 air km east of Kangaroo Mountain. 1817 Comment
  JEPS104828  Heuchera merriamii Dean W. Taylor 1996-7-11 15778 Siskiyou Scott Mountains; West Park Lakes (about 15 air miles west of Weed); Shasta-Trinity National Forest 2194 Comment
  CAS-BOT-BC420735  Heuchera merriamii Gilbert Muth 1966-1-1 308 Siskiyou Marble Mts. Comment
  CAS-BOT-BC420938  Heuchera micrantha var. diversifolia D. E. Breedlove 1962-6-11 3348 Siskiyou On moist bank of Canyon Creek with Pinus ponderosa and Salix so., abour 20 miles west of Fort Jones; Marble Mountains 914 Comment
  CAS-BOT-BC319694  Hieracium albiflorum Alice Eastwood 1921-7-25 10846 Siskiyou Bigelows, McCloud River Comment
  HSC69292  Hieracium albiflorum Maralyn A. Renner 1980-7-24 1945 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  OBI80260  Hieracium albiflorum David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  CAS-BOT-BC319686  Hieracium albiflorum L. E. Smith 1913-7-1 449 Siskiyou Dunsmuir Comment
  UC1223076  Hieracium greenei Joseph P. Tracy 1949-9-15 18559 Siskiyou Blue Ridge on road between Cecilville and Sawyer's Bar, near the summit; Salmon Mountains 1584 Comment
  UC618673  Hieracium nudicaule unknown 1938-7-29 11407 Siskiyou below Wagon Camp; Mount Shasta 1676 Comment
  UC897832  Hieracium nudicaule Lewis S. Rose 1937-7-25 37590 Siskiyou s slope Mt. Shasta 1767 Comment
  RSA238742  Hieracium scouleri Frederick W. Oettinger 1969-9-3 1609 Siskiyou Shasta Ridge below English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC320107  Hieracium triste Annie M. Alexander; Louise Kellogg 1949-7-22 5837 Siskiyou Trail to Kings Castle, Paradise Lake, Marble Mountains 1996 Comment
  HSC29377  Holodiscus discolor Frederick W. Oettinger 1969-8-19 1448 Siskiyou Marble Mtn. Wilderness area, ridge from Arrow Peak to King David Peak 1951 Comment
  JEPS82498  Holodiscus discolor Gilbert Muth 1965-8-3 148 Siskiyou Down Creek from Marble Valley; Marble Mt. Wilderness Area 1767 Comment
  JEPS83829  Holodiscus discolor Wayne Roderick July 1978 Siskiyou Siskiyou mts.; vicinity Cook and Green Pass Comment
  RSA0021610  Holodiscus discolor James R. Shevock 2012-7-19 40512 Siskiyou Along forest road 48N20, 5.8 miles north of Seiad Valley above the Klamath River toward Cook and Green Pass. 716 Comment
  RSA105338  Holodiscus discolor G. D. Barbe 1955-8-4 357 Siskiyou About 0.5 mi west of Big Flat on the trail to Caribou Lake. Salmon Mtns. 1524 Comment
  CAS-BOT-BC152377  Holodiscus discolor var. discolor Doris K. Kildale 1928-8-19 6539 Siskiyou Summit of divide between Eighth Lake and Hancock Lake - trail to Marble Mt. 2194 Comment
  HSC4859  Holodiscus microphyllus var. glabrescens J. O. Sawyer 1968-6-18 227 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  HSC39744  Holosteum umbellatum J. O. Sawyer 1970-4-4 2091 Siskiyou Along Sugar Creek 823 Comment
  HSC92533  Hordeum brachyantherum Jennifer Whipple 1976-7-24 1539 Siskiyou Dale Creek drainage on the N face of Mount Eddy 2195 Comment
  JEPS80525  Hordeum brachyantherum subsp. brachyantherum Gilbert Muth 1966-7-17 410 Siskiyou Marble Mountain Wilderness Area near Lookout; Marble Mountain Wilderness Area 2057 Comment
  CAS-BOT-BC284740  Hordeum jubatum Dorothy Parker 1948-7-16 78 Siskiyou In Plowmans Valley, East Fork of Scott River 1188 Comment
  UC1601385  Hordeum jubatum H. S. Yates 1936-6-21 5812 Siskiyou 6 mi n Gazelle; Yreka Quad. Comment
  CAS-BOT-BC285059  Hordeum marinum subsp. gussoneanum L. R. Short 1933-6-16 42 Siskiyou Klamath National Forest, S. side of Klamath R. 609 Comment
  CDA25946  Horkelia daucifolia G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2656 Siskiyou Behind motel and restaurant at Old Highway 99 and Greenhorn Road, south edge of Yreka. 0 Comment
  UC164307  Horkelia daucifolia Geo. D. Butler 1910-5-4 1272 Siskiyou near Yreka Comment
  UC54352  Horkelia daucifolia H. M. Hall and E. B. Babcock June, 1903 4085 Siskiyou near Edgewood; Sierra Nevada, Mt. Shasta 1158 Comment
  RSA256593  Horkelia daucifolia J. P. Smith 1974-5-25 7509 Siskiyou 2.4 miles west of its jct. with State Route 3. 976 Comment
  RSA88251  Horkelia daucifolia Geo. D. Butler 1909-5-8 713 Siskiyou Shasta Valley Comment
  UC165743  Horkelia fusca subsp. parviflora Geo. D. Butler 1910-9-11 1868 Siskiyou Weed Comment
  CAS-BOT-BC514288  Horkelia fusca var. pseudocapitata A. A. Heller 1927-8-1 14435 Siskiyou Near Shasts City (Sisson) [type (of H. brownii) collected on the south side of Mt. Shasta] Comment
  SBBG2951  Horkelia fusca var. tenella H. and M. Dearing 1938-6-27 2173 Siskiyou bank of McCloud River, near Bartle Comment
  CAS-BOT-BC539439  Horkelia tridentata var. tridentata Rattan 1879-1-1 s.n. Siskiyou Siskiyou Mountains Comment
  HSC78376  Hosackia oblongifolia var. oblongifolia L. P. Janeway 1983-8-6 506 Siskiyou Poker Flat, upper edge of NE side of meadow 1524 Comment
  CDA22258  Humulus lupulus T. C. Fuller 1959-10-21 3155 Siskiyou North limits of Mt. Shasta City. 0 Comment
  HSC61784  Hydrophyllum occidentale Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  SEINET3156129  Hydrophyllum occidentale G. D. Butler 1910-4-25 1241 Siskiyou Oro Fino Comment
  UC169012  Hydrophyllum occidentale Harley P. Chandler 1901-6-24 1588 Siskiyou near Marble Mountain (between Haypress Meadow and Cottei Meadow); North Coast Ranges 2133 Comment
  UC666569  Hydrophyllum occidentale A. A. Beetle with G. L. Stebbins Jr. 1942-6-1 3418 Siskiyou 5 mi w Gazelle (canyon n of Willow Creek) Comment
  UCR37834  Hydrophyllum occidentale L. P. Janeway 1983-6-27 446 Siskiyou At Poker Flat 1524 Comment
  CAS-BOT-BC95001  Hydrophyllum occidentale R. C. Wenk 2005-7-15 207 Siskiyou Trinity Alps, above S Fork of the Salmon River, along the Yellow Rose Mine Trail. 2133 Comment
  SEINET11259600 Image available Hymenoxys lemmonii G. D. Butler 1910-7-4 1640 Siskiyou Shasta River Comment
  HSC69225  Hypericum anagalloides Maralyn A. Renner 1980-8-31 2619 Siskiyou Twin Valley. 1494 Comment
  SEINET5343937  Hypericum anagalloides G. Butler 1910-7-12 1765 Siskiyou Shackleford Creek 1219 Comment
  UCD110386  Hypericum perforatum subsp. perforatum S. P. Lynch 1975-6-20 1391 Siskiyou ca. 3 mi. S of Hwy. 96 on rd. to Scott's Bar along Scott River. Comment
  HSC631  Hypericum scouleri William J. Ferlatte 1966-8-2 224 Siskiyou Big Flat, between campground and S fork of the Salmon River 1524 Comment
  POM95938  Idahoa scapigera Geo. D. Butler 1909-2-14 571 Siskiyou Near Yreka. Comment
  CAS-BOT-BC206829  Iliamna bakeri Carl B. Wolf 1934-7-6 6029 Siskiyou Mt. Shasta, along Snow Line Road, 3 3/10 mi. from Mt. Shasta City 1524 Comment
  HSC100273  Iliamna bakeri J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13067 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 1838 Comment
  UC455675  Ipomopsis aggregata I. J. Condit 1909-8-22 Siskiyou Sisson Comment
  UC648263  Ipomopsis aggregata John Thomas Howell 1939-8-2 14898 Siskiyou Spirit Lake Marble Mtns Comment
  POM147884  Ipomopsis aggregata subsp. formosissima J. B. Feudge 1927-7-24 1747 Siskiyou trail from Mt. Shasta City to Mt. Eddy 1677 Comment
  RSA211092  Ipomopsis aggregata subsp. formosissima William J. Ferlatte 1966-6-22 86 Siskiyou Along the South Fork of the Salmon River between the campgrond and Carter's; Trinity Alps. 1524 Comment
  UC23469  Ipomopsis congesta Harley P. Chandler 1901-6-1 1666 Siskiyou Marble Mtn North Coast Ranges 2438 Comment
  RSA105310  Ipomopsis congesta Milo S. Baker 1955-6-26 13081 Siskiyou Hwy 99, 4 miles south of Gazella 915 Comment
  HSC101402  Ipomopsis tenuifolia J. P. Smith, J. O. Sawyer, R. J. Cole 2010-8-7 13070 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2005 Comment
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Jul 13 2018
  UC127335  Iris missouriensis H. M. Hall and E. B. Babcock 1903-6-18 4140 Siskiyou Pole Canyon Sierra Nevada Mountains (ne Shasta County) 1463 Comment
  RSA240091  Iris tenuissima Frederick W. Oettinger 1969-8-12 1332 Siskiyou Near Yellow Dog Creek. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 915 Comment
  SEINET13762155 Image available Isatis tinctoria T. C. Fuller 1960-5-26 4344 Siskiyou Roadside and hillslope, Greenhorn Creek, 1.5 mi. W. Yreka Comment
  SFV1479  Isatis tinctoria J. M. Tucker, L. K. Mann 1963-7-4 3688 Siskiyou Along old abandoned road 8.5 miles (by road) northeast of Fort Jones. Comment
  HSC91425  Isoetes bolanderi Jennifer Whipple 1977-8-6 2245 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  RSA237973  Isoetes bolanderi Frederick W. Oettinger 1969-7-29 1095 Siskiyou At Dry Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2027 Comment
  CDA24281  Isopyrum stipitatum F. D. Horn 1978-3-1 Siskiyou West of Hawkinsville, along North Humbug Road, north of Yreka. 0 Comment
  CAS-BOT-BC324836  Iva axillaris A. A. Heller 1918-7-25 s.n. Siskiyou Shasta Valley between Gazelle and Edgewood Comment
  RSA161166  Ivesia gordonii var. ursinorum Peter H. Raven 1956-9-4 10422 Siskiyou Summit of Mt. Eddy. 2759 Comment
  UCD15035  Juncus John M. Tucker 1974-7-28 4317 Siskiyou California, Siskiyou Co.; Marble Mountain Wilderness Area, Haypress Meadows; wet soil in meadow, elev. ca. 4800 ft. 1463 Comment
  JEPS96982  Juncus acuminatus Dean W. Taylor 1999-7-18 17279 Siskiyou headwaters of South Fork Hungry Creek (ca. 6 air miles southwest from Hilt) 1432 Comment
  UC618744  Juncus balticus unknown 1938-9-8 11660 Siskiyou Squaw Creek Meadows lower, in the largest meadow Mount Shasta, Squaw Creek Meadows Comment
  HSC92708  Juncus balticus subsp. ater Jennifer Whipple 1977-8-6 2198 Siskiyou Dobkins Lake 2058 Comment
  RSA238900  Juncus drummondii Frederick W. Oettinger 1968-9-9 797 Siskiyou Along the shoreline of Tom s Upper Pond. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2020 Comment
  UC1601866  Juncus ensifolius W. L. Jepson 1894-1 Siskiyou Mt. Shasta Comment
  UC1538957  Juncus howellii W. J. Ferlatte 1987-7-7 2109 Siskiyou ca 1.6 mi e McCloud River R.R. (U.S.F.S. Rd 31); Bear Springs Area, Shasta Quad. 1508 Comment
  CAS-BOT-BC127621  Juncus mertensianus Robert F. Thorne; Fred Oettinger 1969-8-10 38954 Siskiyou Mount Shasta National Forest. South slope of Mount Shasta, Panther Creek Meadows. 2194 Comment
  CAS-BOT-BC127625  Juncus mertensianus Alice Eastwood 1921-7-25 10831 Siskiyou Bigelows, McCloud River. Comment
  HSC67451  Juncus mertensianus J. P. Smith, Steve Selva 1970-7-17 4458 Siskiyou Below Kangaroo Lake. 1890 Comment
  UC618808  Juncus mertensianus unknown 1938-8-8 11475 Siskiyou above Horse Camp (along the Summit Trail); Mount Shasta, Horse Camp Springs, Summit Trail 2514 Comment
  UCD21463  Juncus mertensianus Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1203 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Along shores of Gray Rock Lake. 1800 Comment
  JEPS74127  Juncus mexicanus Geo. D. Butler 1909-5-23 859 Siskiyou near Yreka Comment
  CHSC70198  Juncus nevadensis Jennifer Whipple 1978-10-6 2431 Siskiyou Mount Eddy, Klamath Mountains. Dale Creek drainage on the north face of Mount Eddy. 2255 Comment
  HSC39808  Juncus nevadensis J. O. Sawyer 1969-8-4 1898 Siskiyou Above S Sugar Lake 2043 Comment
  JEPS66698  Juncus orthophyllus B. C. Goldsmith 1916-9-29 30 Siskiyou Medicine Lake Comment
  HSC30701  Juncus orthophyllus Frederick W. Oettinger 1968-9-6 741 Siskiyou Bear Meadow, midway between English Peak and Tom Taylor Cabin at head of Snowslide Gulch 1997 Comment
  CHSC98906  Juncus parryi L. P. Janeway; B. Castro 2007-7-29 9133 Siskiyou High Cascade Range. Medicine Lake Highlands; along the bottom edge of the north side of the northwestern-most lobes of Little Glass Mountain. 1951 Comment
  HSC10  Juncus parryi William J. Ferlatte 1965-6-22 116 Siskiyou Josephine Lake Basin 1677 Comment
  HSC92704  Juncus parryi Jennifer Whipple 1977-7-20 1988 Siskiyou N slopes of Mount Eddy 2500 Comment
  UC618809  Juncus parryi unknown 1938-8-18 11499 Siskiyou Horse Camp Mount Shasta Comment
  CAS-BOT-BC81224  Juniperus occidentalis Alice Eastwood 1912-7-20 1264 Siskiyou Hornbrook Comment
  UC813397  Juniperus occidentalis A. A. Heller 1938-7-12 15262 Siskiyou about 2 mi n Bray Comment
  NY20171  Juniperus occidentalis A. A. Heller 1905-6-9 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SEINET10612645  Juniperus sibirica Edwin B. Copel 1903-10-6 Copeland 3782 Siskiyou Mt. Eddy 2250 Comment
  CAS-BOT-BC56353  Kalmia microphylla subsp. microphylla W. R. Dudley 1899-8-24 s.n. Siskiyou Craggy Peak at Lunch Creek Comment
  HSC69360  Kalmia polifolia Maralyn A. Renner 1980-8-19 2488 Siskiyou S side of Caribou Lake 2104 Comment
  HSC91307  Kalmia polifolia Jennifer Whipple 1977-8-5 2172 Siskiyou Mt. Eddy, Wagon Creek drainage near Wagon Creek 2287 Comment
  UC618898  Kalmia polifolia subsp. microphylla W. Bridge Cooke 1938-7-21 11296 Siskiyou Mount Shasta, Heather Meadow, Panther Creek Panther Creek; Mount Shasta, Heather Meadow, Panther Creek 2286 Comment
  JEPS12484  Kelloggia galioides Duncan Dunning 1921-7-18 Siskiyou 5-6 mi w Medicine Lake (extreme e Siskiyou County); Pumice Stone Mountain Comment
  RSA105437  Kelloggia galioides G. D. Barbe 1955-7-26 289 Siskiyou W of the summit of Scott Mtn. Near a grove of Abies magnifica. 2043 Comment
  SDSU5603  Kochia scoparia D. F. Howe 1966-8-27 4308 Siskiyou Tule Lake. 1311 Comment
  POM198424  Koeleria macrantha Geo D. Butler 1910-7-3 1625 Siskiyou Goosenest Foothills 1220 Comment
  CAS-BOT-BC340364  Kyhosia bolanderi Annie M. Alexander; Louise Kellogg 1949-7-30 5903 Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  UC1023729  Kyhosia bolanderi W. B. Cooke 1941-8-8 16165 Siskiyou Wagon Camp; Mount Shasta Comment
  RSA190722  Lactuca tatarica var. pulchella T. C. Fuller 1967-8-15 16260 Siskiyou 4 mile NE of Macdoel. Comment
  RSA715638  Lagophylla ramosissima L. Ahart, John Dittes 2005-6-9 12016 Siskiyou On the east side of a poor rock fence, about 350 yards E of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2.5 miles (air) ESE of Grenada. 775 Comment
  JEPS116604  Lathyrus brownii J. K. Nelson with Rhonda Posey, Mary Ellen Colberg, Twyla Miller 2006-5-19 2006 -13 Siskiyou North side of Mt. Shasta south of Hwy 97; Hotlum Fire area burned in Feb 2006 1100 Comment
  CAS-BOT-BC204988  Lathyrus jepsonii var. californicus Geo. D. Butler 1910-7-6 1644 Siskiyou Shackleford Creek 914 Comment
  CAS-BOT-BC204989  Lathyrus jepsonii var. californicus A. A. Heller 1928-6-9 14500 Siskiyou Along the Sacramento River near Shasta Retreat Comment
  CHSC35549  Lathyrus lanszwertii var. tracyi James P. Smith 1973-5-5 6415 Siskiyou Roadside and streamside along Cook and Green Pass road. Comment
  SEINET3131418  Lathyrus nevadensis G. D. Butler 1910-6-19 1588 Siskiyou Goosenest foothills Comment
  RSA48214  Lathyrus pauciflorus subsp. brownii Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11809 Siskiyou At Mule Creek crossing of Scott Mountain Road. 1524 Comment
  RSA406676  Lathyrus polyphyllus M. B. Dunkle 1944-6-25 9018 Siskiyou Siskiyou National Park. Comment
  RSA715934  Lemna minuta Lowell Ahart, John Dittes 2005-6-10 12110 Siskiyou At the pump house along the Shasta River, about 1.9 miles (air) S of Hwy 99/97 Cutoff, about 6 miles (air) ESE of Granada. 777 Comment
  UCD115479  Lepidium densiflorum R. Tofsrud Date unknown s.n. Siskiyou location unknown. Comment
  JEPS96803  Lepidium densiflorum var. macrocarpum Dean W. Taylor 1999-8-12 17302 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley), creek crossing on logging road 1341 Comment
  HSC78075  Lepidium latifolium R. & G. Pederson 1980-8-12 Siskiyou Tulelake, Lower Klamath National Wildlife Refuge 1238 Comment
  UC637078  Lepidium virginicum Edward Lee 1934-8-10 1020 Siskiyou near Hamburg (between McKinney and Parkhouse Creeks, s bank of Klamath River); Klamath River 609 Comment
  SEINET5342023  Lepidium virginicum var. medium G. Butler 1910-6-27 1612 Siskiyou Yreka Creek. Comment
  RSA48218  Leptosiphon bolanderi Roxana S. Ferris, Laura Lorraine 1948-6-12 11758 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  OBI55491  Lessingia nemaclada David J. Keil, Kathleen Keil 1992-7-21 23555 Siskiyou Klamath NF SE of Callahan. Forest Rd 40N08, 5 mi W of Scott Mtn rd (hwy 3) Comment
  RSA151805  Lessingia nemaclada H. K. Sharsmith, Francia Chisaki 1959-8-20 4738 Siskiyou Wildcat Canyon road ca. 4 miles west of Callahan. 1067 Comment
  UCD134102  Lessingia ramulosa James P. Smith; John Sawyer 1971-9-18 4796 Siskiyou State 3 between Callahan and Etna at turnoff to the Proctor Ranch. Comment
  CDA39356  Leucocrinum montanum D. H. Shaw 1979-5-9 s.n. Siskiyou Vicinity of Butte Creek, ca. 3.5 km west of Bray. 0 Comment
  CAS-BOT-BC228829  Leucothoe davisiae Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-19 1928 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
  HSC4875  Leucothoe davisiae J. O. Sawyer 1968-7-22 550 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  UCD117528  Leucothoe davisiae David T. Mason 1961-8-14 s.n. Siskiyou South end of lake, Heart Lake (ca. 1 mile west of Castle Lake). 701 Comment
  CDA38866  Leucothoe davisiae F. D. Horn 1979-7-22 s.n. Siskiyou Duck Lake Creek near Etna. 0 Comment
  HSC4440  Lewisia cotyledon William J. Ferlatte 1966-6-22 76 Siskiyou Josephine Lake Basin 1677 Comment
  HSC29487  Lewisia cotyledon Frederick W. Oettinger 1968-9-6 745 Siskiyou Marble Mtn. Wilderness Area, ridge trail E of Tom's Lake 2409 Comment
  CAS-BOT-BC444041  Lewisia cotyledon var. cotyledon Marion Ownbey; Ruth P. Ownbey 1938-7-19 1751 Siskiyou Summit of the Siskiyou Mountains, 2 1/2 miles northwest of Dry Lake Lookout Comment
  JEPS17195  Lewisia cotyledon var. cotyledon W. L. Jepson 1907-7-4 2817 Siskiyou Shackelford Canyon Comment
  UC1312937  Lewisia cotyledon var. cotyledon John M. Tucker 1963-7-7 3713 Siskiyou vicinity of Paradise Lake (base on e side of Kings Castle); Marble Mountain Wilderness Area, Kings Castle 1981 Comment
  CAS-BOT-BC444045  Lewisia cotyledon var. cotyledon Gilbert Muth 1965-8-5 306 Siskiyou North slope of Marble Rim, near Blk. Mt. Comment
  HSC27348  Lewisia leeana J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5698 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  HSC78204  Lewisia leeana L. P. Janeway 1983-7-3 364 Siskiyou Ridgetop NW of Poker Flat (Siskiyou crest) 1585 Comment
  RSA756241  Lewisia leeana Barbara Ertter 1990-7-16 9372 Siskiyou North side of ridge west of Parks Creek trailhead (Pacific Crest Trial crossing of Route 17); about 8 air mile southwest of Weed. 2195 Comment
  SBBG124419  Lewisia leeana C. B. Hardham 1961-7-1 8011 Siskiyou White Mtn, just below summit 1981 Comment
  SEINET11942481  Lewisia leeana H. P. Chandler 1901-1 1609 Siskiyou near Marble Mountain, North Coast Ranges 2286 Comment
  UCD101616  Lewisia leeana J. M. Tucker 1963-7-8 3731 Siskiyou 1 mile south of Paradise Lake, Marble Mountains Wilderness Area. Beside trail to Marble Valley. 1981 Comment
  HSC4449  Lewisia triphylla William J. Ferlatte 1966-6-22 74 Siskiyou Josephine Lake Basin 1677 Comment
  JEPS68580  Leymus triticoides Geo. D. Butler 1909-6-19 838 Siskiyou near Yreka Comment
  UC569420  Leymus triticoides H. S. Yates 1936-6-21 5814 Siskiyou 6 mi n Gazelle; Yreka Quadrangle 792 Comment
  UC817464  Leymus triticoides Louis C. Wheeler 1934-9-22 3293 Siskiyou Walker Siskiyou Mts., Klamath River 518 Comment
  HSC61140  Ligusticum californicum Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  HSC69244  Ligusticum californicum Maralyn A. Renner 1980-8-6 2340 Siskiyou Cracker Meadow 1555 Comment
  UCD127546  Ligusticum californicum J. M. Tucker 1963-8-20 3786 Siskiyou Canyon Creek, ca. 1/2 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area. 1920 Comment
  SBBG25867  Ligusticum grayi D. Myrick 1966-8-8 1487 Siskiyou Lake Josephine, Mountain Meadow Ranch, Big Flat 1828 Comment
  POM82380  Ligusticum grayi Geo. D. Butler 1908-8-7 461 Siskiyou Whiskey Camp, Independence Creek Comment
  UC454438  Lilium I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake Comment
  UC454439  Lilium I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake Comment
  HSC29247  Lilium kelleyanum Frederick W. Oettinger 1968-8-6 420 Siskiyou Marble Mtn. Wilderness Area, SE corner of Hancock Lake 1905 Comment
  JEPS66424  Lilium kelleyanum L. R. Heckard and P. Rubtzoff 1971-8-1 2686 Siskiyou 4 mi below summit of Mt. Eddy ridge (road from Stewarts Springs to The Eddys) 1584 Comment
  UC54199  Lilium kelleyanum H. M. Hall and E. B. Babcock Jun 1903 4047 a Siskiyou near Sisson (18th crossing of the Sacramento River); Sierra Nevada Mountains, Mount Shasta 1036 Comment
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Dec 13 2006
  CAS-BOT-BC509369  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
  SEINET3887240  Lilium pardalinum Alv Dan Youngberg 1964-6-14 69 Siskiyou Humbolt Meridian.; 0 427 Comment
  CHSC30135  Lilium pardalinum subsp. shastense M. S. Taylor 1980-7-8 3099 Siskiyou On nw side of Castle Lake. 1615 Comment
  UC1190145  Lilium washingtonianum subsp. purpurascens Ira L. Wiggins 1955-7-24 13489 Siskiyou ridge between upper reaches of Chin Creek and Blind Horse Creek 1493 Comment
  UC454445  Lilium washingtonianum subsp. washingtonianum I. J. Condit Jul 1911 Siskiyou Shasta Retreat Comment
  CAS-BOT-BC133092  Lilium washingtonianum subsp. washingtonianum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 9 Siskiyou 3.5 miles northeast of the town of Mount Shasta 1402 Comment
  RSA600380  Limnanthes alba Louis C. Wheeler 1935-5-18 3501 Siskiyou Siskiyou Mountains; Yreka Creek (Mt. Diablo Mer.) 854 Comment
  CAS-BOT-BC509126  Linanthus pungens Dana York 2011-8-13 3066 Siskiyou Klamath National Forest, Marble Mountain Wildernesss, summit of Black Marble Mountain 2268 Comment
  JEPS60247  Linaria genistifolia subsp. dalmatica L. R. Heckard with L. Constance and R. Ornduff 1969-6-25 2312 Siskiyou northwestern edge of Weed Weed Comment
  CDA6301  Linaria genistifolia subsp. dalmatica T. C. Fuller 1958-6-19 1798 Siskiyou South of road to Montague, 1.5 miles east of Yreka. 0 Comment
  HSC44590  Linnaea borealis subsp. longiflora Laura Witherspoon 1977-7-16 Siskiyou Copper Creek Area. 1128 Comment
  RSA12570  Linum lewisii Carl B. Wolf 1934-7-6 6016 Siskiyou Around Wagon Camp, So. slope of Mt. Shasta. 1677 Comment
  CAS-BOT-BC36526  Lithocarpus densiflorus var. echinoides Wm. Bridge Cooke 1940-6-6 15031 Siskiyou along trail to Castle Lake Road 1524 Comment
  CAS-BOT-BC36538  Lithocarpus densiflorus var. echinoides W. R. Dudley 1899-8-14 s.n. Siskiyou Near Pig Creek, McCloud Comment
  CAS-BOT-BC36540  Lithocarpus densiflorus var. echinoides Carl B. Wolf 1931-9-2 2393 Siskiyou 4 miles above junction of McCloud Road with the Pacific Highway 1188 Comment
  HSC41474  Lithophragma heterophyllum Ed Cope 1977-7-16 129 Siskiyou Johnson's Hunting Grounds Trail at Wilderness Area border 1677 Comment
  JEPS47484  Lithophragma parviflorum Geo. D. Butler 1904-4-25 782 Siskiyou Quartz Valley Comment
  JEPS94263  Lithospermum ruderale Vernon H. Oswald and Lowell Ahart 1998-6-11 9176 Siskiyou ne of Weed (Shasta National Forest plantation on w side of Highway 97, 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest, Highway 97 1066 Comment
  JEPS16108  Lomatium californicum Geo. D. Butler 1909-6-6 799 Siskiyou near Yreka Comment
  SEINET3143861  Lomatium californicum G. D. Butler 1910-5-18 1359 Siskiyou near Yreka Comment
  SEINET7073519  Lomatium congdonii A. G. Vestal 1963-6-1 s.n. Siskiyou Southeast rim of Shasta Valley. About 0.2 mile northwest of Route 97 on the road to Dwinnell Reservoir (Lake Shastina). UTM Zone 10, 551439mN, 4588002mN. Coordinate datum: NAD27. Comment
  HSC29158  Lomatium dissectum var. multifidum Frederick W. Oettinger 1968-8-15 523 Siskiyou High Lake Basins, Marble Mountain Wilderness Area, Hancock Lake 1951 Comment
  JEPS97016  Lomatium engelmannii Dean W. Taylor 1997-6-12 16063 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley; ca. 4 miles west of Gazelle 944 Comment
  UC909516  Lomatium engelmannii Ira L. Wiggins 1950-5-28 12361 Siskiyou margins Carmen Lake (ca. 1.5 mi. e.of Scott Mt. rd.) 1737 Comment
  OBI8857  Lomatium peckianum Lincoln Constance, Emil DiFulvio 1962-4-17 3751 Siskiyou 5.2 mi S of Yreka 792 Comment
  CAS-BOT-BC211228  Lomatium tracyi R. C. Barneby 1954-5-17 11534 Siskiyou Scott Mts. 5 miles above Callahan 1249 Comment
  JEPS101782  Lomatium triternatum var. triternatum Dean W. Taylor 1999-6-9 17256 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  UC165431  Lomatium vaginatum Geo. D. Butler Apr 18 1909-Apr 30 1909 665 Siskiyou Humbug Mt. Comment
  RSA238538  Lonicera conjugialis Frederick W. Oettinger 1969-8-7 1275 Siskiyou SE end of English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1753 Comment
  CAS-BOT-BC243924  Lonicera involucrata var. involucrata Dorothy Parker 1950-6-7 456 Siskiyou Along Scott River 853 Comment
  HSC103350  Lotus crassifolius var. crassifolius Thomas W. Nelson, Jane Nelson 1983-7-29 7510 Siskiyou Along Forest Service Rd. 41N14, 5 mi. N of junction with Callahan-Cecilville County Rd., at crossing over Sugar Creek. 1433 Comment
  RSA406245  Lotus oblongifolius Bonnie C. Templeton 1960-6-21 8558 Siskiyou Near the summit of Scott Mt. Comment
  UC454686  Lotus oblongifolius var. oblongifolius I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1828 Comment
  JEPS75372  Lotus purshianus var. purshianus Geo. D. Butler 1908-7-5 390 Siskiyou near Yreka (Butler's Ranch) Comment
  CAS-BOT-BC140203  Luetkea pectinata John Thomas Howell 1937-7-24 13397 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC84  Luetkea pectinata William J. Ferlatte 1967-8-20 1049 Siskiyou Caribou Basin, Sawtooth Ridge 2043 Comment
  HSC44707  Luina hypoleuca J. O. Sawyer, E. Cope 1977-6-18 2897 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  HSC29123  Luina hypoleuca Frederick W. Oettinger 1968-8-2 367 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: NE of Diamond Lake 2082 Comment
  RSA624997  Luina hypoleuca L. C. Wheeler 1963-8-27 8277 Siskiyou Siskiyou Mountains: West Fork Clear Creek. 670 Comment
  SEINET5766232 Image available Lupinus E. B. Copeland 1903-1 3887 Siskiyou Sisson [Mount Shasta] Comment
  UC725455  Lupinus A. A. Heller 1940-7-25 Siskiyou junction of Horse Camp and Panther Meadow roads on Mt. Shasta Comment
  RSA498181  Lupinus Chadwick, Chadwick, Glenn Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  HSC2387  Lupinus albicaulis William J. Ferlatte 1966-8-18 426 Siskiyou Willow Creek Trail 1982 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
  RSA119507  Lupinus albicaulis var. shastensis W. Bridge Cooke 1938-7-29 386 Siskiyou Mt. Shasta 1220 Comment
  SEINET10484530  Lupinus albicaulis var. shastensis Emmel 1974-7-20 EMMEL 519 Siskiyou Slope 0.6 air miles ese of dry lake lookout, along road between dry lake Lookout and deer camp, siskiyou mountains. T47n,r9w,sec.19 se 1/4. Montane Conifer forest. In open areas of recently logged forest. Perennial. 2.5 Ft High. 2.5 Ft wide. Abundant. Plebejus icarioides ssp & lycaeides argyrognomon Ricei adults closely associated with this plant (lepidoptera; lycaenidae) 1890 Comment
  SBBG13880  Lupinus albifrons H. and M. Dearing 1939-6-4 3544 Siskiyou Fort Jones Comment
  CAS-BOT-BC195968  Lupinus albifrons var. albifrons Charles Piper Smith 1947-5-6 47203 Siskiyou Gazelle, 3.2 miles south, Highway 99 Comment
  CAS-BOT-BC195969  Lupinus albifrons var. albifrons Wm. Bridge Cooke 1940-6-20 15159 Siskiyou Along the Pacific Highway in the Klamath River Gorge between Hornbrook and the junction of US99 and SR96 Comment
  CAS-BOT-BC196313  Lupinus albifrons var. flumineus E. A. McGregor 1922-9-30 s.n. Siskiyou Sisson, near depot Comment
  HSC22254  Lupinus andersonii J. O. Sawyer 1969-6-12 899 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  CHSC914  Lupinus croceus M. Yoder 1941-7-12 Siskiyou Castle Lake. 1950 Comment
  HSC70490  Lupinus croceus J. P. Smith, Steve Selva 1970-6-15 3971 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  SEINET10490743  Lupinus croceus var. croceus Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-1 Conrad 6981 Siskiyou Western yellow pine, libocedrus, douglas fir forest, 6 mi. Sw of callahan. 1524 Comment
  UC1409330  Lupinus latifolius var. viridifolius Frederick W. Oettinger 1968-9-7 768 Siskiyou Upper meadow near Tobacco Lake (High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  CHSC69479  Lupinus lepidus var. sellulus James D. Jokerst 1992-7-30 3424 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. Comment
  JEPS83242  Lupinus lepidus var. sellulus W. L. Jepson 1940-6-28 20060 Siskiyou McCloud 975 Comment
  UC157027  Lupinus lepidus var. sellulus Geo. D. Butler 1908-6-28 367 Siskiyou upper end Quartz Valley; upper end of Quartz Valley Comment
  UCD108589  Lupinus lepidus var. sellulus Robert E. Preston 1996-7-22 974 Siskiyou north of Medicine Lake. 2026 Comment
  POM179132  Lupinus leucophyllus Lester Rowntree 1937-8-7 s.n. Siskiyou Scotts Bar Comment
  SEINET10491193  Lupinus leucophyllus var. leucophyllus Katherine L. Morris 1973-6-2 Morris 373 Siskiyou Collected 7 mi. S of etna along roadside of hwy 3, near a gravel quarry. Comment
  JEPS65333  Lupinus luteolus Geo. D. Butler 1909-6-26 910 Siskiyou Yreka; Upper Field Comment
  HSC45900  Lupinus luteolus Laura Witherspoon 1978-8-24 107 Siskiyou Klamath National Forest 1646 Comment
  HSC71450  Lupinus luteolus J. P. Smith, Steve Selva 1970-8-9 4576 Siskiyou In potato fields W of Macdoel. Comment
  SEINET10488765  Lupinus luteolus Katherine L. Morris 1973-6-2 Morris 337 Siskiyou Decomposed volcanic soil on hornbrook to montague rd, about 1 mi se of Hornbrook. Comment
  UC156986  Lupinus nanus Geo. D. Butler April 17, 1910 - April 30, 1910 1190 Siskiyou Yreka; dry hill Yreka Comment
  LA205154  Lupinus obtusilobus C. Smith; 1938-8-18 11508 Siskiyou Mount Shasta, in the vincinity of Horse Camp 2438 Comment
  RSA0064517  Lupinus onustus Daisie Huang 2006-8-4 06080406 Siskiyou Castle Lake Road. 1326 Comment
  CAS-BOT-BC8212  Lupinus perglaber Alice Eastwood 1921-7-24 10715 Siskiyou Castle Lake Comment
  RSA414229  Lupinus polyphyllus subsp. superbus M. B. Dunkle 1945-07 9213 Siskiyou Klamath National Forest; Marble Mts. Comment
  RSA582436  Lupinus rivularis Louis C. Wheeler 1935-7-26 3707 Siskiyou Siskiyou Mts.; Jaynes Canyon 1951 Comment
  RSA114969  Lupinus sellulus subsp. sellulus E. K. Balls, Lee W. Lenz, B. K. Balls 1956-6-18 21799 Siskiyou 7.5 mi SE of Weed, US Hwy 99. 1220 Comment
  RSA50195  Lupinus sellulus var. artulus E. K. Balls 1949-7-8 13909 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mt. 1753 Comment
  SEINET10490222  Lupinus sellulus var. artulus James P. Smith, John O. Sawyer 1972-6-30 Smith, Jr. 5639 Siskiyou Jct. Of french creek and sugar creek rd, 1/2 mi w of parrot mill rd. Mixed Conifer forest. 1250 Comment
  SEINET10485922  Lupinus sellulus var. lobbii Donald E. Bright 1962-6-14 Bright 291 Siskiyou Roadside, 2 mi n of weed. Comment
  CAS-BOT-BC436602  Luzula cascadensis Geo. D. Butler 1910-7-9 1701 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC436708  Luzula comosa var. laxa Elmer I. Applegate 1895-5-28 753 a Siskiyou Sisson, Strawberry Valley Comment
  CAS-BOT-BC436709  Luzula comosa var. laxa Alice Eastwood 1921-7-28 10908 Siskiyou Medicine Lake Comment
  RSA605980  Luzula comosa var. laxa L. C. Wheeler 1934-6-12 2691 Siskiyou Hungry Creek Lookout, Siskiyou Mountains. (Mt. Diablo Mer.) 1463 Comment
  HSC4784  Luzula divaricata William J. Ferlatte 1966-8-5 328 Siskiyou N side of Caribou Mtn. 1982 Comment
  RSA238895  Luzula divaricata Frederick W. Oettinger, J. Morrison 1967-8-17 275 Siskiyou On NW-facing slope of Crapo Peak ridge along trail from English Peak to Hancock Lake where trail crosses saddle in ridge. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2210 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
  HSC30723  Luzula parviflora Frederick W. Oettinger 1968-9-9 800 Siskiyou Marble Mtn. Wilderness Area, stream running from Tom's Upper Pond to Tom's Lower Pond 2012 Comment
  UC1265299  Luzula parviflora Frederick W. Oettinger 1968-9-9 800 Siskiyou stream bank meadow that runs from Tom's Lower Pond (High Lake Basins in vicinity of English Peak, western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 2011 Comment
  HSC86442  Luzula subcongesta D. K. Imper Jun 1987 Siskiyou 8 mi. E of the town of Mt. Shasta 2134 Comment
  SEINET2121892  Machaeranthera canescens M. L. Carson 1968-12-8 1294 Siskiyou US Highway 97 ca. 20 mi S of Macdoel and 7.8 mi N of junction of road to Yreka at Yellow Butte, close to Mount Shasta viewpoint before going down a long hill 1430 Comment
  RSA94363  Madia citriodora J. T. Howell 1934-7-4 12410 Siskiyou Between Timbered Crater and Little Hot Springs Valley Comment
  HSC2256  Madia elegans Geo. D. Butler 1910-5-19 1364 Siskiyou Yreka Comment
  UC73949  Madia elegans T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC343996  Madia elegans Louis C. Wheeler 1934-6-28 2809 Siskiyou Beaver Creek at West Fork, Siskiyou Mts. 914 Comment
  RSA120895  Madia exigua Milo S. Baker 1957-6-16 13149 Siskiyou Scott Mountain 1768 Comment
  OBI55544  Madia glomerata David J. Keil, Kathleen Keil 1992-7-24 23569 Siskiyou E of McCloud along hwy 89, 7.7 mi W of Shasta County line Comment
  UCD134273  Madia glomerata A. H. Murphy 1956-8-16 56 Z Siskiyou Tangle Blue Lake, Klamath National Forest. 1767 Comment
  CAS-BOT-BC343433  Madia gracilis Louis C. Wheeler 1934-9-5 3247 Siskiyou Sterling Mt., Siskiyou Mts. 1981 Comment
  UCR37838  Madia gracilis L. P. Janeway 1983-7-31 477 Siskiyou Poker Flat, upper portion of meadow 1524 Comment
  HSC5976  Madia gracilis R. C. Wunner 1965-6-26 277 Siskiyou California Lava Beds National Monument: 1/2 was up trail on Schonchin Butte 1494 Comment
  RSA96733  Mahonia aquifolium P. C. Everett, E. K. Balls 1954-10-13 20284 Siskiyou Seiad Creek, 6 mi. n.e. from Hwy 96 at Seiad Valley. 640 Comment
  RSA452624  Mahonia nervosa L. C. Wheeler 1934-6-29 2822 Siskiyou Soda Creek. Sterling Mtn. Siskiyou Mtns. 1280 Comment
  SEINET6909344  Mahonia piperiana M. K. Solecki, J. B. Taft 1986-9-9 2141 Siskiyou Along Scott River. Comment
  HSC44852  Maianthemum racemosum subsp. amplexicaule J. P. Smith 1973-5-5 6465 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC98367  Maianthemum racemosum subsp. amplexicaule G. L. Clifton, Griswold 1979-6-27 6095 Siskiyou Near Shackleford Creek, close to the town of Greenview 1342 Comment
  HSC2257  Malacothrix sonchoides Geo. D. Butler 1910-6-4 1491 Siskiyou Shackleford Creek Comment
  CHSC72239  Malva neglecta Vernon H. Oswald; Lowell Ahart 1998-9-16 9643 Siskiyou Hwy. 161 at the Lower Klamath NWR 5.9 mi east of Hwy. 97. 1243 Comment
  UC109027  Malva neglecta Brandegee 1887-7-1 Siskiyou Edgewood Comment
  UCR143037  Marsilea vestita L. C. Wheeler 1934-10-14 3323 Siskiyou Siskiyou Mtns., Shasta River, 2 miles below Yreka Creek 671 Comment
  CDA32501  Melica aristata L. P. Janeway 2002-7-13 7642 Siskiyou Rainbow Mountain Quad; High Cascade Range. Along a logging spur road 0.2 km southeast of Road 13 (Pilgrim Creek Road) 9.0 km northeast of the Military Pass Road (Road 19); 0.2 km north of Edison Creek Comment
  RSA239019  Melica aristata Frederick W. Oettinger 1969-8-4 1159 Siskiyou Above Half-way Spring between English Lake and Diamond Lake. Salmon Mountains: The high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1829 Comment
  UCD87367  Melica harfordii A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3438 Siskiyou Near Happy Camp. Klamath River. Comment
  JEPS85757  Melica subulata Roy E. Buck and Robert A. Price 1988-8-9 1071 Siskiyou ca 1.2 air km wnw Cub Spring (e of Forest Serv Rd 39N56, 28 air km e of McCloud, w side of n-draining intermittent stream) 1280 Comment
  RSA45309  Mentha canadensis Dorothy Parker 1946-9-3 s.n. Siskiyou Plowman s Valley 1189 Comment
  CHSC75728  Mentzelia albicaulis Vernon H. Oswald; Lowell Ahart 1999-7-5 9798 Siskiyou Gazell-Callahan Hwy. 9.0 mi west of Gazelle. 914 Comment
  CAS-BOT-BC428976  Micranthes ferruginea H. A. Thomas; J. H. Thomas 1954-7-24 4493 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville. 1981 Comment
  CAS-BOT-BC506661  Micranthes odontoloma Dana York 2011-8-14 3077 Siskiyou Marble Mountain Wilderness, Klamath National Forest. Marble Valley, just below the PCT 1730 Comment
  CAS-BOT-BC429258  Micranthes oregana Elmer I. Applegate 1895-5-29 446 Siskiyou Sisson, west base of Mt. Shasta Comment
  UC1185945  Microseris laciniata subsp. laciniata L. E. Detling 1950-6-11 6635 Siskiyou Siskiyou Pass 1127 Comment
  UC1409493  Microseris laciniata subsp. siskiyouensis Frederick W. Oettinger 1969-7-11 966 Siskiyou English Lake Trail Salmon Mountains, Marble Mountain Wilderness Area (se-facing slope, high lake basins in vicinity of English Peak, w Siskiyou Co.) 1828 Comment
  SBBG8718  Microseris nutans H. and M. Dearing 1939-6-30 3752 Siskiyou Etna 1219 Comment
  UC1190270  Microseris nutans Ira L. Wiggins 1955-7-27 13520 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC27506  Microsteris gracilis 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
  HSC63063  Microsteris gracilis David Wheeler 1979-4-8 44 Siskiyou Comment
  HSC78192  Mimulus breweri L. P. Janeway 1983-7-10 406 Siskiyou Poker Flat 1524 Comment
  HSC72392  Mimulus cardinalis J. P. Smith, Steve Selva 1970-7-16 4372 Siskiyou Along FS Rd. 19N01 Comment
  UC637069  Mimulus cardinalis Edward Lee 1934-8-12 1043 Siskiyou between Humbug and Seiad Valley (mouth of Walker Creek, s side of river); Klamath River 426 Comment
  JEPS80572  Mimulus guttatus Gilbert Muth 1965-8-3 157 Siskiyou Marble Valley Marble Mt. Wilderness Area 1792 Comment
  RSA293206  Mimulus guttatus J. P. Smith 1973-5-5 6421 Siskiyou Along Cook and Green Pass road. Comment
  UC917313  Mimulus inodorus R. Tofsrud and J. M. Tucker 1948-8-3 1778 Siskiyou 3 mi (by road) below summit Happy Camp to Waldo (Oregon) road Comment
  POM252819  Mimulus layneae A. A. Heller 1938-7-12 15248 Siskiyou 5 miles north of Weed on US Hwy no. 97. 1067 Comment
  POM5168  Mimulus layneae Copeland 1903-4-5 3857 Siskiyou Igerna. Comment
  HSC36420  Mimulus moschatus J. O. Sawyer 1968-7-10 522 Siskiyou S side of Sugar Creek. 1616 Comment
  SBBG19766  Mimulus moschatus H. and M. Dearing 1938-6-29 2188 Siskiyou Wagon Camp, Mt Shasta 1828 Comment
  HSC422  Mimulus moschatus William J. Ferlatte 1966-7-7 216 Siskiyou NW side of Caribou Mtn. 1829 Comment
  HSC447  Mimulus moschatus William J. Ferlatte 1967-8-19 1035 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's 1524 Comment
  RSA237536  Mimulus moschatus Frederick W. Oettinger 1967-8-20 290 Siskiyou Just below spring at Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 2049 Comment
  RSA12622  Mimulus nanus var. nanus Carl B. Wolf 1934-7-5 5963 Siskiyou 3.6 miles from Dry Lake Lookout on road to Horse Creek, Siskiyou Mountains 1982 Comment
  UC445180  Mimulus pilosus Dr. E. B. Copeland 1903-8-18 3830 Siskiyou Mt. Eddy 2286 Comment
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  HSC22474  Mimulus primuloides J. O. Sawyer 1969-7-11 1337 Siskiyou S Sugar Creek 1829 Comment
  HSC72401  Mimulus primuloides var. linearifolius J. P. Smith, Steve Selva 1970-7-18 4480 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  RSA237543  Mimulus primuloides var. pilosellus Frederick W. Oettinger 1968-8-14 519 Siskiyou Bear Meadow, Tom's Lake region. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness. 2188 Comment
  RSA211512  Mimulus tilingii William J. Ferlatte 1967-8-20 1056 Siskiyou Caribou Basin, Sawtooth Ridge. 2226 Comment
  CAS-BOT-BC388886  Minuartia douglasii Lewis S. Rose 1945-6-18 45125 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC174737  Minuartia nuttallii Alice Eastwood 1912-8-30 2017 Siskiyou Mount Eddy Comment
  CHSC75696  Minuartia nuttallii subsp. gregaria Vernon H. Oswald; Lowell Ahart 1999-7-2 9821 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southeast of Gazelle-Callahan Hwy., 0.6 mi northwest of the highway summit. On a roadcut. 1569 Comment
  JEPS111028  Minuartia nuttallii subsp. gregaria Sue Pappalardo 1997-8-9 974 Siskiyou Mt. Shasta Ranger District; Mt. Eddy. On trail to summit, about halfway from saddle to summit. 2740 Comment
  SBBG1990  Minuartia nuttallii var. gregaria H. and M. Dearing 1939-6-2 3525 Siskiyou near Fort Jones 609 Comment
  CAS-BOT-BC229604  Mirabilis greenei Lincoln Constance; Reed C. Rollins 1942-5-14 2929 Siskiyou Shasta River 4 miles N of Yreka 762 Comment
  LA205965  Mirabilis greenei Wm. Bridge Cooke; 1940-6-20 15155 Siskiyou along the Pacific Highway in the Klamath River gorge 609 Comment
  RSA276601  Mirabilis greenei George Pilz 1972-5-29 800 Siskiyou 4 miles N of Yreka, above the Shasta River. 700 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
  HSC48286  Mitella trifida J. O. Sawyer, K. Stillman 1978-7-6 3301 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  JEPS23553  Mitella trifida Rimo Bacigalupi with Arthur and Ruby Van Deventer and Don Liles 1959-7-9 7255 Siskiyou Poker Flat Siskiyou Mountains 1536 Comment
  JEPS49690  Mitella trifida Harley P. Chandler June, 1901 1555 a Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  HSC22250  Monardella glauca J. O. Sawyer 1969-8-4 1833 Siskiyou Above Sugar Lake 2134 Comment
  CHSC4557  Monardella odoratissima J. E. Bowlin 1967-7-18 73 Siskiyou Off roadside, ca. 3.4 mi w of Mount Shasta Ski Bowl. 2164 Comment
  HSC65493  Monardella odoratissima R. White 1977-7-1 100 Siskiyou Top of Sawtooth Mtn. 1761 Comment
  CAS-BOT-BC222035  Monardella odoratissima subsp. glauca Alice Eastwood 1912-8-30 1987 Siskiyou Mount Eddy Comment
  UC164003  Monardella odoratissima subsp. glauca Geo. D. Butler 1908-7-12 168 Siskiyou Humbug Mountain Comment
  UC2035945  Monardella odoratissima subsp. glauca Lester Rowntree 1937-7-25 Siskiyou Caribou Lakes Comment
  UCR21090  Monardella odoratissima subsp. glauca 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-BC222031  Monardella odoratissima subsp. glauca G. P. Rixford No date on label s.n. Siskiyou South side of Shaft-rock [Shaft Rock] Mt., Hilt Comment
  RSA401653B  Monardella odoratissima subsp. pallida Bonnie C. Templeton 1960-6-21 8590 Siskiyou Near summit of Scott Mt. Comment
  UC215539  Monardella odoratissima subsp. pallida A. A. Heller 1915-8-26 12230 Siskiyou North side of Mt. Eddy 1981 Comment
  CAS-BOT-BC220231  Monardella sheltonii Carl B. Wolf 1927-8-26 1078 Siskiyou On the Klamath River near Hamburg Comment
  CAS-BOT-BC220235  Monardella sheltonii Alice Eastwood; John Thomas Howell 1940-6-14 824 Siskiyou Lava Beds Nat. Mon. near Indian Well Comment
  CDA40784  Monardella sheltonii T. C. Fuller 1962-8-3 9505 Siskiyou Siskiyou Mountains; 200 yards up Raggedass Gulch, east of Beaver Creek, 5 miles north of the Klamath River. 0 Comment
  CAS-BOT-BC313729  Monardella siskiyouensis Clare Butterworth Hardham 1965-8-1 13080 Siskiyou Sulphur Springs Rd near Happy Camp Comment
  CHSC32899  Monardella siskiyouensis J. P. Smith; Steve Selva 1970-6-15 3929 Siskiyou 8 miles southeast of Forks of Salmon on road to Cecilville. 457 Comment
  UC82764  Montia chamissoi Mrs. R. M. Austin Jun 1894 273 Siskiyou Pot Hole Spring Comment
  HSC60815  Montia linearis Ruby Van Deventer 1959-7-8 Siskiyou Bell Echo Camp in Youngs Valley Comment
  NY342247  Montia obtusata A. A. Heller 1905-6-1 7945 Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  RSA238298  Montia parvifolia Frederick W. Oettinger 1969-7-13 1004 Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1951 Comment
  UCD101769  Montia parvifolia J. M. Tucker; L. K. Mann 1963-7-4 3696 Siskiyou vicinity of U.S. Forest Service Public Camp, just east of Finley Camp, road from Etna to Sawyer's Bar. Comment
  SEINET200836 Image available Muhlenbergia andina Joseph P. Tracy 1939-9-2 16470 Siskiyou Windy Camp on the old Gasquet Toll Road west of Patrick Creek. Comment
  UCD86526  Muhlenbergia asperifolia A. A. Heller 1918-7-25 13082 Siskiyou Gravelly soil between Gazelle and Edgwood in the Shasta Valley. Upper Sonoran Life Zone. Comment
  HSC30599  Muhlenbergia filiformis Frederick W. Oettinger 1968-8-22 592 Siskiyou Ridge between Diamond Lake and English Peak, Salmon Mountains. 2195 Comment
  SEINET206452 Image available Muhlenbergia filiformis Rimo Bacigalupi, Mr. Deventer; Mrs. Deventer 1959-7-10 7308 Siskiyou Meadow at Twin Valley Siskiyou Mts. just east of Del Norte County line; 4 air-line miles north-northeast of Preston Peak. 1494 Comment
  UC1625408  Muhlenbergia filiformis F. W. Oettinger 1968-8-22 592 Siskiyou on ridge between Diamond Lake and English Peak; Salmon Mountains 2194 Comment
  CAS-BOT-BC275336  Muhlenbergia jonesii Ralph K. Gierisch 1968-8-6 3365 Siskiyou Elk Flat, Shasta - Trinity Forest 1310 Comment
  SD109607  Muhlenbergia jonesii John R. Reeder, Charlotte G. Reeder 1972-7-24 5807 Siskiyou 1.5 miles SSE of Bartale, in forest openings 1219 Comment
  UC1265443  Muhlenbergia montana F. W. Oettinger 1968-9-7 753 Siskiyou granite slope at n end Hancock Lake; Salmon Mountains 1950 Comment
  CAS-BOT-BC275170  Muhlenbergia richardsonis Roxana S. Ferris; Laura Lorraine 1941-8-11 10497 Siskiyou Grass Lake Station, on US Highway 97 1554 Comment
  RSA403612  Muhlenbergia richardsonis E. Yale Dawson 1948-7-16 5094 Siskiyou Margins of Grass Lake, north of Mount Shasta 1524 Comment
  CHSC71320  Myosurus apetalus var. montanus Vernon H. Oswald; Lowell Ahart 1998-6-11 9221 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. Along the edge of a vernal pool. 1295 Comment
  JEPS93855  Myosurus sessilis Vernon H. Oswald and Lowell Ahart 1998-6-11 9222 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97); Butte Valley National Grassland 1295 Comment
  HSC82521  Nama lobbii Thomas W. Nelson, Jane P. Nelson 1980-7-5 5973 Siskiyou Fowler's Campground 1006 Comment
  JEPS94099  Nama lobbii Vernon H. Oswald and Lowell Ahart 1998-9-8 9610 Siskiyou ca. 6 air mi. w. of Mosquito Lake and Whitehorse Flat Reservoir (USFS 3 ca. 0.8 mi. w. of Julia Glover Flat, ca. 2 air mi. n.w. of Indian Spring Mt.) 1127 Comment
  CDA40299  Nama lobbii G. Deal 1966-7-18 s.n. Siskiyou Mt. Shasta, above Mt. Shasta City, 1/4 mile behind ski rental shop on road to ski bowl. 0 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
  CAS-BOT-BC60324  Nasturtium officinale L. B. Kildale 1930-5-31 9811 Siskiyou Island in Klamath River near Hornbrook. Comment
  CDA40083  Navarretia atractyloides C. Giebner 1960-8-3 s.n. Siskiyou Greenview, Scott Valley. 0 Comment
  UC163862  Navarretia divaricata Geo. D. Butler 1908-8-8 104 Siskiyou lake at head of West Fork of Woolly Creek West Fork of Woolly Creek Comment
  JEPS70495  Navarretia tagetina Geo. D. Butler 1909-5-10 740 Siskiyou near Yreka Comment
  UCD119923  Nemophila parviflora var. austiniae J. M. Tucker 1963-7-5 3709 Siskiyou South Russian Creek (a tributary of the Salmon River), ca. 3 miles (airline) east of Finley Camp, road from Etna to Sawyer's Bar. Comment
  CAS-BOT-BC60585  Noccaea fendleri subsp. glauca Jean Langenheim 1957-5-19 4344 Siskiyou At intersection of Miner's Creek road and Tiger Creek road. Comment
  HSC92177  Nothocalais alpestris Jennifer Whipple 1977-7-22 2056 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  RSA237490  Nothocalais alpestris Frederick W. Oettinger 1968-8-17 563 Siskiyou Crapo Ridge trail crossover at Gap; Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 2012 Comment
  HSC23605  Nothochelone nemorosa J. O. Sawyer 1970-7-15 2349 Siskiyou Above Bear Lake 1585 Comment
  RSA420390  Nothochelone nemorosa M. B. Dunkle 1944-8-25 9165 Siskiyou Sikiyou Nat'l Forest. Coastal northern California. 1768 Comment
  UC1409399  Nuphar lutea subsp. polysepala Frederick W. Oettinger 1969-8-1 1139 Siskiyou near inlet English Lake, the High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1752 Comment
  UC1733730  Oenothera Kay H. Beach, Frank Gould 1940-5-15 622 Siskiyou Bull Meadows Comment
  HSC35067  Olsynium douglasii var. douglasii J. P. Smith 1974-5-25 7648 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  CAS-BOT-BC349959  Onopordum tauricum T. C. Fuller 1959-12-10 3324 Siskiyou Fred Voelker ranch, W edge/Meiss Lake Basin, just S/Sam's Neck, ca. 15 mi SW/Dorris Comment
  SEINET13694638 Image available Onopordum tauricum T. C. Fuller 1960-7-26 s.n. Siskiyou Wedge Mesia Lake Basin, SW. of Doris Comment
  SEINET13262927  Onychium densum Unknown 1968-8-23 610 Siskiyou PLANTS OF THE SALMON MOUNTAINS. THE HIGH LAKE BASINS IN THE VICINITY OF ENGLISH PEAK, MARBLE MOUNTAIN WILDERNESS AREA. due e. and 50 feet below Diamond Lake at base of sheer cliff. 2057 Comment
  HSC96420  Oreostemma alpigenum Gordon Leppig, J. Kalt 1996-7-9 369 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  JEPS79773  Orobanche corymbosa L. R. Heckard 1967-8-14 1728 Siskiyou 19 mi n Weed (just e of U.S. Hwy 97, 2 mi n of Deer Mt Lodge) Comment
  JEPS66435  Orobanche corymbosa subsp. corymbosa L. R. Heckard and P. Rubtzoff 1971-8-2 2697 Siskiyou 2 miles north of Deer Mt. Lodge along U. S. Highway 97. Comment
  CAS-BOT-BC500328  Orobanche uniflora subsp. occidentalis Gilbert J. Muth 1969-8-11 1364 Siskiyou Ridge S of Boulder Peak 2316 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
  RSA0059187  Orobanche uniflora subsp. occidentalis Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mts., Shasta-Trinity National Forest: c. 15 air mi SW of Weed near Kangaroo Lake Campground. Comment
  CHSC28801  Orthocarpus bracteosus J. D. Jokerst 1978-9-3 159 Siskiyou Five miles east of Weed. Comment
  UC164397  Orthocarpus cuspidatus subsp. copelandii Geo. D. Butler 1908-8-4 53 Siskiyou head of Shackleford Creek Comment
  CHSC99722  Orthocarpus cuspidatus subsp. cuspidatus L. P. Janeway 2008-7-24 9487 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 1.3 air km east of Condrey Mountain. 2050 Comment
  POM42527  Orthocarpus cuspidatus subsp. cuspidatus Geo. D. Butler 1910-6-19 1584 Siskiyou Goosenest Foothills. 1524 Comment
  RSA488703  Orthocarpus cuspidatus subsp. cuspidatus James L. Reveal 1975-8-15 3953 Siskiyou Siskiyou Mountains, Klamath Nat'l Forest, along the Dry Lake Lookout road (FS 40S01), 0.6 mile north of the turnof to Deep Camp and about 2.7 miles southeast of Dry Lake Lookout. Comment
  JEPS10885  Orthocarpus imbricatus I. J. Condit 1911-7-15 Siskiyou McCloud Comment
  HSC91161  Osmorhiza berteroi Jennifer Whipple 1977-7-22 2050 Siskiyou Dale Creek drainage on the N face of Mount Eddy 2195 Comment
  SBBG30561  Osmorhiza berteroi D. Myrick 1968-6-25 2011 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  UC642517  Osmorhiza berteroi W. Bridge Cooke 1939-6-23 13546 Siskiyou upper Wagon Camp meadow Mount Shasta Comment
  CAS-BOT-BC94408  Osmorhiza occidentalis R. C. Wenk 2005-7-15 212 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass, going N along ridge 2133 Comment
  RSA237754  Oxyria digyna Frederick W. Oettinger 1969-8-25 1543 Siskiyou northeast-facing slope above Tanner Peak tail 400 yards down from English Peak Trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  HSC313  Oxyria digyna William J. Ferlatte 1966-8-5 350 Siskiyou Caribou Mountain summit 2470 Comment
  HSC61135  Oxyria digyna Al Hobart Jul 1967 Siskiyou El Capitan Comment
  UC53872  Packera cana H. M. Hall and E. B. Babcock June 1903 4095 Siskiyou near Sheep Rock; n side Mount Shasta 853 Comment
  CHSC75733  Papaver rhoeas Vernon Oswald; Lowell Ahart 1999-7-5 9793 Siskiyou Gazelle-Callahan Hwy. 0.5 mi west of Gazelle, agricultural area. 853 Comment
  CAS-BOT-BC202858  Paxistima myrsinites Doris K. Kildale 1929-7-20 8639 Siskiyou Trail up South Fork Indian Creek to Elk Lick Comment
  CHSC237  Paxistima myrsinites V. Keeler 1935-5-9 Siskiyou Dunsmuir. Comment
  HSC43360  Paxistima myrsinites N. G. Sugihara 1977-5-28 67 Siskiyou Bank along Haypress Meadow trail 1372 Comment
  JEPS9620  Paxistima myrsinites Geo. D. Butler 1908-8-5 20 Siskiyou Woolly Creek Comment
  SBBG4074  Paxistima myrsinites H. and M. Dearing 1939-7-1 3774 Siskiyou W of Etna on Etna Crk 1219 Comment
  CAS-BOT-BC202863  Paxistima myrsinites Geo. D. Butler 1910-4-22 1219 Siskiyou Kidder Creek Comment
  POM228954  Pectocarya pusilla L. C. Wheeler 1935-5-1 3453 Siskiyou Yreka Creek, Siskiyou Mts. 854 Comment
  POM72145  Pectocarya pusilla Geo. D. Butler 1910-5-8 1306 Siskiyou Near Yreka. Comment
  CAS-BOT-BC266634  Pedicularis A. A. Heller 1914-8-28 11726 Siskiyou E side of Mount Eddy 1584 Comment
  OBI55459  Pedicularis attollens David J. Keil, Kathleen Keil 1992-7-21 23544 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08. 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  HSC76666  Pedicularis bracteosa var. flavida K. T. Stillman 1976-7-23 306 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  JEPS10413  Pedicularis bracteosa var. flavida Geo. D. Butler 1908-8-5 42 Siskiyou Summit above Cold Spring 1828 Comment
  CAS-BOT-BC228584  Pedicularis densiflora Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-18 1924 Siskiyou The Eddys Region, Shasta-Trinity National Forest. Gumboot Lake, headwaters of the Sacramento River 1836 Comment
  UCD123373  Pedicularis groenlandica J. M. Tucker; D. V. Hemphill 1974-7-26 4293 Siskiyou Let 'Er Buck Meadows, ca. 0.5 mile southeast of Haypress Meadows, Marble Mountain Wilderness Area. 1432 Comment
  HSC66236  Pedicularis howellii Maralyn A. Renner 1980-7-23 1879 Siskiyou Pacific Crest Trail, ridge 0.8 mi. E of Cook and Green Pass 1707 Comment
  UCR37853  Pedicularis racemosa K. T. Stillman 1976-7-21 271 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  POM43427  Pedicularis racemosa Geo. D. Butler 1910-7-7 1650 Siskiyou Shackleford Creek. 1220 Comment
  UC572810  Pellaea brachyptera unknown 1937-7-23 9110 Siskiyou Mt Shasta Mt Shasta 1219 Comment
  CAS-BOT-BC67671  Pellaea breweri John Thomas Howell 1939-8-2 14874 Siskiyou Marble Mts. - Spirit Lake Comment
  UC922431  Pellaea breweri Annie M. Alexander and Louise Kellogg 1949-7-24 5861 Siskiyou trail to Bear Lake Paradise Lake; Marble Mts 1920 Comment
  RSA184808  Pellaea breweri Gilbert Muth 1966-8-3 163 Siskiyou S of camp, Marble Mtns. Comment
  UCD137694  Pellaea breweri John M. Tucker 1963-8-18 3760 Siskiyou Marble Mountain Wilderness Area, Black Marble Mountain. 2133 Comment
  HSC61871  Penstemon anguineus Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  JEPS125  Penstemon anguineus Harley P. Chandler June, 1901 1698 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges, near Marble Mountain 1524 Comment
  JEPS23801  Penstemon anguineus Rimo Bacigalupi with Mr. and Mrs. Van Deventer and Don Liles 1959-7-9 7259 Siskiyou Poker Flat 1536 Comment
  JEPS84305  Penstemon anguineus L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6364 Siskiyou ca 1/2 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass); w of Cook and Green Pass, e of Red Butte summit 579 Comment
  SBBG22539  Penstemon anguineus C. B. Hardham 1961-6-30 7999 Siskiyou near Mud Spring Comment
  UC164354  Penstemon anguineus Geo. D. Butler 1910-7-12 1761 Siskiyou Shackleford Creek 1219 Comment
  SEINET185112 Image available Penstemon azureus C. L. Hitchcock, J. S. Martin 1939-7-6 5230 Siskiyou peak above and north of Divide of Siskiyou Mts., California on Takilma Happy Camp road 1829 Comment
  NY571173  Penstemon azureus var. azureus C. L. Hitchcock 1939-7-6 5230 Siskiyou Peak above and north of Divide of Siskiyou Mountains, on Takilma-Happy Camp road. 1828.8 Comment
  CAS-BOT-BC265377  Penstemon davidsonii var. davidsonii Robert T. Clausen July 27 4977 Siskiyou W fork of Mountainhouse Creek, 3 miles NNE of summit of Mount Shasta 2438 Comment
  CHSC91544  Penstemon deustus G. F. Hrusa 2001-6-6 15858 Siskiyou Siskiyou Mountains. Along Hwy 96 at Scott R. Bridge. Cuts above river. Flats at end of Scott R. Bridge. UTM: 10T, 4625883 N, 0496656 E. 426 Comment
  HSC19127  Penstemon deustus J. O. Sawyer 1969-7-9 1262 Siskiyou Summit above S Sugar Lake. 2378 Comment
  HSC69364  Penstemon deustus J. O. Sawyer, J. Cole 1980-7-19 3661 Siskiyou N and W of Little Mt. Hoffman 1982 Comment
  HSC72491  Penstemon deustus J. P. Smith, Steve Selva 1970-6-16 4073 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  CDA41878  Penstemon deustus Jess Grisham 1958-5-13 421 -58 Siskiyou Wanaka property, Yreka. 0 Comment
  RSA183719  Penstemon deustus subsp. deustus Gilbert Muth 1965-8-12 214 Siskiyou Marble Valley, Marble Mts. Comment
  RSA47613  Penstemon deustus subsp. deustus Roxana S. Ferris, Laura Lorraine 1948-6-12 11728 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  UC614856  Penstemon deustus var. deustus Beryl O. Schreiber 1932-7-18 446 Siskiyou road nw of Weed Comment
  CHSC1860  Penstemon deustus var. pedicellatus N. Jaekal; K. Jaekal 1930-7-10 Siskiyou Weed. 1056 Comment
  CHSC30326  Penstemon gracilentus M. S. Taylor 1980-8-19 3269 A Siskiyou On se side of 42N50, on Hemlock Ridge, ca. 7.5 mi s of Tennant. 1828 Comment
  CHSC99206  Penstemon gracilentus L. P. Janeway; B. Castro 2007-7-28 9129 Siskiyou High Cascade Range. Medicine Lake Highlands; just north of the north edge of Medicine Lake Glass Flow. 2109 Comment
  UC727354  Penstemon gracilentus Elmer I. Applegate 1923-8-17 3831 Siskiyou about 10 mi nw Medicine Lake; nw of Medicine Lake Comment
  NY600717  Penstemon gracilentus E. K. Balls 1952-10-12 18181 Siskiyou 7.2 miles southwest of boundary of Lava Beds National Monument on road from Indian Well Ranger Station to Tennant. 1066.8 Comment
  SDSU10981  Penstemon heterodoxus var. shastensis D. F. Howe 1962-8-4 3387 Siskiyou Baldy Mtn. 1524 Comment
  JEPS116584  Penstemon laetus Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -016 Siskiyou North side of Mt. Shasta, south of Hwy 97, along Forest Service Rd. 42N15 Weed (unburned area witin Hotlum Fire perimeter burned Feb 2006; 4 mi NE of town of); Mt. Shasta 1219 Comment
  HSC61125  Penstemon laetus subsp. sagittatus Ruby Van Deventer 1955-7-31 Siskiyou FS Rd. 17N04, Doe Flat 1067 Comment
  HSC67796  Penstemon laetus subsp. sagittatus J. O. Sawyer, J. Cole 1980-7-22 4000 Siskiyou Little Horse Peak 1720 Comment
  HSC21017  Penstemon laetus subsp. sagittatus D. M. Thomson 1965-8-4 165 Siskiyou Lava Beds National Monument, Black Crater trail, close to main road Comment
  JEPS69755  Penstemon laetus var. sagittatus W. B. and V. G. Cooke 1972-6-30 45409 Siskiyou Andesite-Military Pass Road Mt. Shasta 1524 Comment
  RSA211394  Penstemon newberryi William J. Ferlatte 1967-8-23 1100 Siskiyou Head of Kidd Creek. 2134 Comment
  UCD124310  Penstemon newberryi A. H. Murphy 1959-7-22 59 P Siskiyou Shasta National Forest, Porcupine Lake. 2286 Comment
  POM299514  Penstemon newberryi subsp. berryi Marion Ownbey, Fred G. Meyer 1940-7-6 2204 Siskiyou West side of Cayenne Ridge at summit, Marble Mountain. Comment
  CAS-BOT-BC94463  Penstemon newberryi var. berryi R. C. Wenk 2005-7-19 321 Siskiyou Along Pacific Crest Trail, 2 miles S of parking lot at top of pass on National Forest Road 17, going towards Mt. Eddy 2164 Comment
  UC144614  Penstemon newberryi var. newberryi A. A. Heller 1905-6-16 8048 Siskiyou near Sisson; near Sisson Comment
  UC27481  Penstemon newberryi var. newberryi C. B. Bradley 1879-1 Siskiyou Comment
  CHSC96095  Penstemon parvulus L. P. Janeway 2006-7-4 8793 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  NY629996  Penstemon parvulus F. W. Pennell 1940-7-17 26171 Siskiyou Northeastern slope, Salmon Mountains, west of Etna 1828.8 Comment
  RSA724922  Penstemon parvulus L. P. Janeway 2006-7-4 8793 Siskiyou Scott Mountains; Opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  UCR37829  Penstemon parvulus K. T. Stillman 1976-7-15 264 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  HSC19131  Penstemon parvulus J. O. Sawyer 1969-7-2 1036 Siskiyou NE facing slope near summit above Lipstick Lake 2226 Comment
  UCR37830  Penstemon procerus K. T. Stillman 1976-7-15 268 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  POM259368  Penstemon procerus subsp. brachyanthus J. T. Howell 1939-8-8 15184 Siskiyou Marble Mountains: Black Mountain. Comment
  HSC63133  Penstemon procerus var. brachyanthus M. A. Baker 1979-7-30 1073 Siskiyou E facing rock slope. 2200 Comment
  HSC65006  Penstemon procerus var. brachyanthus D. L. Goforth 1979-7-19 256 Siskiyou Trinity Alps Wilderness Area, Caribou Lakes Basin, 0.3 mi. NW of upper lake 2134 Comment
  HSC474  Penstemon roezlii William J. Ferlatte 1966-8-4 299 Siskiyou Yellow Rose Mine 1982 Comment
  SBBG28893  Penstemon roezlii G. D. Butler 1910-6-9 1579 Siskiyou foothills of Goosenest Mtns 1386 Comment
  HSC75126  Penstemon roezlii J. P. Smith, Thomas W. Nelson 1979-6-16 10145 Siskiyou Klamath National Forest, along FS Rd. 40N03, 0.3 mi. from its junction with Hwy. 3, 2.72 mi. from county line 1463 Comment
  HSC69240  Penstemon rupicola Maralyn A. Renner 1980-9-1 2703 Siskiyou S side of Devil's Punchbowl 1829 Comment
  UCR93363  Penstemon speciosus Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Modoc National Forest, Forest Road 49 (Lava Beds/Medicine Lake Road), c. 1 mi north of southern boundary of Lava Beds National Monument 1402 Comment
  RSA105469  Penstemon speciosus G. D. Barbe, Milo S. Baker 1955-7-1 78 Siskiyou 7 miles S of Etna on the Westside Rd. to Callahan. 869 Comment
  SEINET3160574  Penstemon speciosus G. D. Butler 1910-5-18 1360 Siskiyou near Yuka Comment
  SEINET3860793  Perideridia leptocarpa L. Constance, T. I. Chuang; et al. 1966-6-15 3768 Siskiyou Above Trinity River 5 mi NW of Cecilville.; 0 762 Comment
  UC1258150  Perideridia leptocarpa Clifton and Ground 1978-6-27 1458 Siskiyou close to town Callahan (near Wildcat Creek); Etna Quad., near Wildcat Creek 1098 Comment
  HSC65427  Perideridia leptocarpa D. Reed 1980-8-19 299 Siskiyou Above Scott River Rd., just E of Jones Beach 762 Comment
  SEINET10693779 Image available Perideridia leptocarpa Lincoln Constance, Fei, Mei Chuang; Mario Sousa S. 1966-6-15 Constance 3768 Siskiyou West-facing slope above Trinity River 5 miles north-west of Cecilville. 762 Comment
  UC1389997  Perideridia oregana T. I. Chuang and R. S. Mitchell 1965-6-27 5996 Siskiyou on Hwy 97 6 mi s Macdoel Comment
  HSC64425  Persicaria amphibia J. P. Smith, Steve Selva 1970-7-16 4386 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  HSC64440  Persicaria amphibia J. P. Smith, Steve Selva 1970-8-8 4558 Siskiyou Juanita Lake Comment
  UCR45368  Phacelia bolanderi D. H. Norris 1970-5-23 12236 Siskiyou Along Klamath River at Ishi Pishi [Rd.] Bridge near Somes Bar 145 Comment
  JEPS2782 Image available Phacelia corymbosa W. L. Jepson 1914-8-13 6161 Siskiyou Dunsmuir 670 Comment
  HSC65660  Phacelia egena J. P. Smith 1973-5-5 6423 Siskiyou Along Cook and Green Pass Rd. Comment
  RSA60785  Phacelia greenei Dorothy Parker 1948-5-16 s.n. Siskiyou East side of Scott Valley 915 Comment
  UCD120480  Phacelia hastata Robert E. Preston 1995-6-18 885 Siskiyou Irongate Reservoir, ca. 1/4 mi sw of mouth of Jenny Creek. 731 Comment
  SDSU6611  Phacelia hastata subsp. compacta D. F. Howe 1962-7-4 Siskiyou Near summit of Baldy Mt. Comment
  UC24409  Phacelia heterophylla subsp. virgata T. H. Gilbert June 1899 Siskiyou Scott River Valley Comment
  UC1483455  Phacelia mutabilis Maralyn A. Renner 1980-7-23 1924 Siskiyou Pacific Crest Trail on w side Upper Devils Peak; Klamath National Forest, Seiad Valley Quad. 1767 Comment
  HSC33325  Phacelia mutabilis William J. Ferlatte 1974-7-15 1545 Siskiyou Dorleska summit, Grouse Ridge, on Trinity Co. line yds. N of summit 2134 Comment
  UC107461  Phacelia pringlei J. G. Lemmon and wife Sept. 1879 Siskiyou near Mt. Shasta Comment
  UC1282009  Phacelia pringlei Louise Kellogg Aug 5 1953-Aug 7 1953 105 Siskiyou 1 mi n Cory Peak (11 mi e of Callahan on road to Gazelle, then s 5.8 mi on logging road); Scott Mountains, Klamath National Forest, Cabin Meadow 1844 Comment
  RSA249719  Phacelia pringlei Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mts., Shasta-Trinity National Forest: ca. 15 air mi. SW of Weed near Kangaroo Lake Campground. Comment
  HSC62290  Phacelia procera Al Hobart 1969-8-8 Siskiyou Youngs Valley Comment
  JEPS73749  Phalaris canariensis George D. Butler 1908-6-25 488 Siskiyou Butler's Ranch near Yreka; Butler's Ranch Comment
  CAS-BOT-BC77427  Philadelphus lewisii Carl B. Wolf 1927-8-27 1127 Siskiyou On the Klamath River, 6 mi. below Happy Camp Comment
  UCR222480  Philadelphus lewisii R. F. Thorne 1969-8-2 63398 Siskiyou Klamath Ranges Region; Salmon Mountains, Klamath National Forest, Marble Mountain Wilderness Area, trail to English Peak, along N fork of Salmon River at Cedars 1159 Comment
  CAS-BOT-BC250789  Phleum alpinum Wm. Bridge Cooke 1938-7-15 11202 Siskiyou Mount Shasta. Bear Springs Comment
  HSC76676  Phleum alpinum K. T. Stillman 1976-7-23 302 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  RSA184776  Phleum alpinum Gilbert Muth 1966-8-1 488 Siskiyou Marble Valley Horse Pasture, Marble Mountains. 1793 Comment
  RSA186328  Phleum alpinum Gilbert Muth 1966-10-16 19 Siskiyou Marble Mountains 1793 Comment
  HSC61882  Phlox adsurgens Al Hobart, V. S. 1969-6-18 Siskiyou Poker Flat 1585 Comment
  SEINET3145518  Phlox hoodii subsp. canescens G. D. Butler 1910-3-13 1127 Siskiyou Klamath hills Comment
  HSC49965  Phlox speciosa subsp. nitida Maralyn O'Meara 1974-5-25 435 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  HSC36820  Phlox speciosa subsp. occidentalis J. P. Smith 1974-5-27 7612 Siskiyou Along FS Rd. 47N03 1280 Comment
  HSC36942  Phlox speciosa subsp. occidentalis J. P. Smith 1974-5-26 7585 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  UC673185  Phlox speciosa subsp. occidentalis Lincoln Constance and Reed C. Rollins 1942-5-13 2912 Siskiyou 2 mi nw Scott Bar (Scott River); Klamath-Siskiyou Region, Scott River 487 Comment
  POM209395  Phlox speciosa subsp. occidentalis L. C. Wheeler 1935-4-17 3428 Siskiyou Soap Creek, Siskiyou Mountains 1067 Comment
  CHSC91372  Phoradendron densum Lowell Ahart; John Dittes 2005-6-10 12068 Siskiyou South of a poor dirt road, about 90 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
  UC1039905  Phoradendron densum James Weir 1916-1 9361 Siskiyou Siskiyou Nat'l Forest Comment
  CAS-BOT-BC56491  Phyllodoce empetriformis Ira L. Wiggins 1955-7-27 13543 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC60912  Phyllodoce empetriformis Al Hobart Siskiyou Black Butte Comment
  UC1409436  Phyllodoce empetriformis Frederick W. Oettinger 1968-8-1 338 Siskiyou inlet to Little Hancock Lake (in vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 2042 Comment
  UC562495  Phyllodoce empetriformis Joseph P. Tracy 1935-8-1 14406 Siskiyou Rock Lake, at extreme head of West Fork of Knownothin Creek, between Salmon and New Rivers West Fork Knownothin Creek; Rock Lake, West Fork Knownothin Creek 1889 Comment
  UC618899  Phyllodoce empetriformis W. Bridge Cooke 1938-7-21 11291 Siskiyou Mount Shasta, Heather Meadow, Panther Creek, (feature of the meadows at Panther and Squaw Creeks) Panther Creek; Mount Shasta, Heather Meadow, Panther Creek 2286 Comment
  CAS-BOT-BC56486  Phyllodoce empetriformis Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  CAS-BOT-BC56494  Phyllodoce empetriformis W. R. Dudley 1901-8-23 s.n. Siskiyou Rocky Peak, Foxtail Ridge, Salmon Mts. Comment
  CAS-BOT-BC60759  Physaria occidentalis Geo. D. Butler 1909-4-24 588 Siskiyou Cherry Creek. Comment
  CAS-BOT-BC60765  Physaria occidentalis Harley P. Chandler 1901-6-1 1653 Siskiyou North Coast Ranges. Marble Mountain. 2438 Comment
  CAS-BOT-BC540711  Physocarpus capitatus Dana York 2012-7-22 3146 Siskiyou Siskiyou Mountains: Klamath National Forest, along the jeep road heading to Lily Pad Lack ca. 600 m SW ofCook & Green Pass 1740 Comment
  UC14119  Physocarpus capitatus W. H. Brewer 1862-9-7 1340 Siskiyou Upper Sacramento Ferry Camp 96; Upper Sacramento Ferry Comment
  CAS-BOT-BC78174  Picea breweriana Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., [Cuddyhi] Cuddihy Lake Comment
  HSC4817  Picea breweriana J. O. Sawyer 1968-6-25 309 Siskiyou NE of N Horse Range Lake 2012 Comment
  UC1318222  Picea breweriana Alan Bell 1963-8-17 Siskiyou on slope sw Log Lake (10 deg e from summit of Bear Ridge on its ne side); Klamath National Forest, Scott Mountains 1965 Comment
  UC496180  Picea breweriana Elmer I. Applegate 1930-8-9 6600 Siskiyou headwaters of Applegate River; Siskiyou Mountains, Fruit Mountain Comment
  UC971915  Picea breweriana Herbert L. Mason 1950-7-16 14061 Siskiyou Road from Happy Camp <California> to Waldo, Oregon Comment
  NY30092  Picea breweriana P. Bennett 1928-7-11 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UCD134307  Picea engelmannii L. E. Berriman 1940-8-30 s.n. Siskiyou North Coast Ranges. Sugar Creek, a tributary of the Scott River. 1432 Comment
  JEPS82671  Pinus albicaulis Steve Edwards 1984-6-7 Siskiyou South China Mountain 2438 Comment
  SBBG45487  Pinus albicaulis W. M. Plumb 1972-7-16 Siskiyou NE slope of Mt Eddy 2438 Comment
  UC60967  Pinus albicaulis Geo. B. Grant 1902-9-1 5123 Siskiyou Horse Camp Mount Shasta, Horse Camp 2438 Comment
  CAS-BOT-BC73395  Pinus albicaulis Dr. C. E. Wilson 1930-7-9 s.n. Siskiyou Marble Mt. Comment
  JEPS88716  Pinus attenuata W. L. Jepson 1902-7-1 Siskiyou Trinity Summit to Salmon Summit; Devil's Backbone Comment
  NY34613  Pinus attenuata I. L. Wiggins 1955-7-24 13485 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
  UCD70114  Pinus attenuata D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-McCloud close to Snowmans Hill. 1650 Comment
  UC1452399  Pinus balfouriana Ronald J. Mastrogiuseppe 1967-7-1 Siskiyou near Upper High Camp Creek 2164 Comment
  UC688866  Pinus balfouriana William E. Ferguson 1942-8-28 Siskiyou Lyon Lake Etna Quadrangle (sw quarter of quadrangle) 2133 Comment
  UCD134408  Pinus balfouriana J. M. Tucker; L. K. Mann, S. L. Holloway 1963-8-18 3769 Siskiyou Southwestern ridge of Black Marble Mountain, Marble Mountain Wilderness Area. 2133 Comment
  CAS-BOT-BC78776  Pinus lambertiana Doris K. Kildale 1929-7-20 8675 Siskiyou Raspberry Lake, near east spur Preston Peak Comment
  JEPS46822  Pinus lambertiana W. L. Jepson 1907-7-22 Siskiyou from Scott Bar to Scott Valley (Miamber Trail); Miamber Trail Comment
  CAS-BOT-BC78949  Pinus monticola Doris K. Kildale 1928-8-19 6537 Siskiyou summit of Divide at Hancock Lake, trail to Marble Mt. 2194 Comment
  HSC69016  Pinus monticola Maralyn A. Renner 1980-7-24 2021 Siskiyou Lily Pad Lake 1768 Comment
  CAS-BOT-BC72863  Pinus ponderosa Carl B. Wolf 1927-8-26 1060 Siskiyou On the Klamath River, 3 mi. below Gottville. Comment
  JEPS64436  Piperia elongata W. L. Jepson 1894-7-1 21278 Siskiyou Sisson Comment
  UC375219  Piperia leptopetala Geo. D. Butler 1908-6-28 Siskiyou near Oro Fino Comment
  UC1409483  Piperia unalascensis Frederick W. Oettinger 1969-7-27 1077 Siskiyou nw of English Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 1981 Comment
  CAS-BOT-BC231004  Plagiobothrys hispidulus Alice Eastwood 1921-7-24 10737 Siskiyou Castle Lake Comment
  POM182432  Plagiobothrys tenellus Geo. D. Butler 1910-4-10 1163 Siskiyou Yreka Hills. Comment
  POM72138  Plagiobothrys tenellus Geo. D. Butler 1909-4-13 654 Siskiyou Yreka. Comment
  SBBG68796  Plantago A. A. Heller 1927-8-2 14442 Siskiyou near Gazelle, Shasta Valley Comment
  NY278426  Plantago shastensis E. L. Greene 1876-6-26 851 Siskiyou Collected near Yreka Comment
  UC375218  Platanthera hyperborea Geo. D. Butler 1909-7-20 Siskiyou Highland Mine Comment
  JEPS64399  Platanthera leucostachys Willis L. Jepson 1894-8-4 21275 Siskiyou Mt. Shasta Comment
  UC61188  Platanthera leucostachys W. A. Setchell, C. C. Dobie 1902-7-17 Siskiyou Sisson Mount Shasta Comment
  POM208201  Platanthera leucostachys Louis C. Wheeler 1934-6-18 2725 Siskiyou Cottonwood Creek, Siskiyou Mts. Mt. Diablo Mer. 1311 Comment
  HSC4861  Platanthera sparsiflora J. O. Sawyer 1968-6-18 240 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  HSC60787  Platanthera sparsiflora Ruby Van Deventer Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC68348  Plectritis ciliosa J. P. Smith 1973-5-5 6400 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UC796534  Plectritis macrocera Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11827 Siskiyou 1 mi below summit of Gazelle Mountain (Gazelle-Callahan Road); Gazelle-Callahan Road 1219 Comment
  CAS-BOT-BC254779  Poa bolanderi John Thomas Howell 1939-8-9 15218 Siskiyou Sky High Valley, Marble Mountains 1828 Comment
  CAS-BOT-BC254781  Poa bolanderi Geo. D. Butler 1910-7-12 1750 Siskiyou Shackleford Creek Comment
  UCD37077  Poa bolanderi Beecher Crampton 1956-8-21 3810 Siskiyou Siskiyou County, 15 miles southwest of city of Mount Shasta, slope above Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  CAS-BOT-BC254785  Poa bolanderi 1955-7-17 218 Siskiyou Cold Spring Camp, around the spring 1889 Comment
  UC450465  Poa bulbosa Morris Halperin 1930-5-17 304 Siskiyou Geo. Gray's Ranch Yreka Comment
  HSC27349  Poa cusickii subsp. epilis J. P. Smith, Maralyn O'Meara, J. O. Sawyer 1972-7-3 5697 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  UCD91090  Poa howellii A. A. Beetle 1942-5-31 3420 Siskiyou north of Willow Creek, 5 miles west of Gazelle. Comment
  UCD91098  Poa howellii Harley P. Chandler 1901-6-1 1703 Siskiyou near Marble Mountain. Comment
  SEINET11683993  Poa howellii var. chandleri H. P. Chandler 1901-1 1703 Siskiyou near Marble Mountain, North Coast Ranges 1524 Comment
  CAS-BOT-BC256018  Poa pratensis John Thomas Howell; T. C. Fuller 1980-4-29 53431 Siskiyou Along East Fork Scott River 2 miles east of Callahan on road to Gazelle 990 Comment
  CAS-BOT-BC256022  Poa pratensis John Thomas Howell 1980-4-28 53368 Siskiyou Grenada 792 Comment
  RSA22128  Poa pratensis J. T. Howell 1937-7-23 13347 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  RSA238407  Poa pratensis Frederick W. Oettinger 1969-8-14 1374 Siskiyou English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  RSA715495  Poa pratensis L. Ahart 2005-6-9 12033 Siskiyou along a rock fence, about 100 yards southeast of where cattle water in the Shasta River, about 3/4 mile (air) south of Highway 99/97 Cuttoff, about 2.5 miles (air) east-southeast of Grenada. 775 Comment
  HSC2386  Poa pringlei William J. Ferlatte 1966-8-4 301 Siskiyou Dorleska summit 2134 Comment
  HSC643  Poa pringlei William J. Ferlatte 1967-7-6 610 Siskiyou Dorleska summit. 2134 Comment
  SEINET10954307  Poa pringlei A. Arthur Heller 1921-7-7 Heller 13566 Siskiyou Gravelly soil on the slope south of Wagon creek, Mt. Eddy, in the Canadian zone. Comment
  RSA578034  Poa secunda L. C. Wheeler 1935-5-18 3498 Siskiyou Siskiyou Mountains; Yreka Creek (Mt. Diablo Mer.) 854 Comment
  UCD90327  Poa secunda A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3404 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  UCD91676  Poa secunda A. A. Heller 1921-7-17 13579 Siskiyou Toward the head of Wagon Creek, Mt. Eddy. 2286 Comment
  HSC102656  Poa secunda subsp. juncifolia J. P. Smith 2009-6-1 12615 Siskiyou Road to Tenant. Comment
  CAS-BOT-BC243219  Poa secunda subsp. secunda A. A. Heller 1915-6-10 11956 Siskiyou Little Summit in the Sierra Nevada 1432 Comment
  CAS-BOT-BC243220  Poa secunda subsp. secunda Roxana S. Ferris; Laura Lorraine 1948-6-12 11719 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], E fork of Scott River Comment
  HSC10245  Poa secunda subsp. secunda R. C. Wunner 1965-6-22 247 Siskiyou Lava Beds National Monument, Canby Cross. 1220 Comment
  HSC25424  Poa secunda subsp. secunda J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5666 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  HSC26127  Poa secunda subsp. secunda J. P. Smith, Steve Selva 1970-6-16 3996 Siskiyou 5 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1189 Comment
  JEPS84091  Poa secunda subsp. secunda L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6434 Siskiyou ca 5 mi n Seiad Valley town (e slope of Kangaroo Mt, cirque head of Hell's Canyon) 1828 Comment
  CAS-BOT-BC244323  Podagrostis humilis L. P. Janeway 1983-8-16 557 Siskiyou Siskiyou Mountains, at Poker Flat 1524 Comment
  HSC44955  Polemonium californicum J. O. Sawyer 1978-6-16 3218 Siskiyou Marble Mtn. Wilderness along trail to Elk Valley 1921 Comment
  UC23982 Image available Polemonium californicum Harley P. Chandler June, 1901 1671 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  HSC90759  Polemonium eddyense Jennifer Whipple 1976-6-11 960 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River Comment
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Jul 6 2020
  SEINET13759088  Polemonium micranthum G. D. Butler 1910-3-23 1137 Siskiyou Near Yreka Comment
  CAS-BOT-BC74164  Polyctenium fremontii H. Lewis 1940-1-1 1901 Siskiyou At edge of Grass Lake. 1219 Comment
  CAS-BOT-BC74172  Polyctenium fremontii H. D. Thiers 1969-5-5 23307 Siskiyou Red Rock Valley, north of Mount Shasta off Highway 97 between Weed and Dorris. Comment
  POM278329  Polygala californica Lyman Benson 1933-8-9 5679 Siskiyou U.S. 99, Mt. Shasta City, Cascade Mountain range, Sacramento River watershed 915 Comment
  HSC27592  Polygala cornuta Carl W. Mize 1972-6-21 69 Siskiyou Along trail about 3/8 mi. from corner 343 Comment
  CAS-BOT-BC170334  Polygala cornuta var. cornuta R. E. Frenkel 1964-7-15 689 Siskiyou On Everitt Memorial road near Mount Shast, 1.7 miles north of McCloud River RR crossing. 1290 Comment
  UC164406  Polygonum aviculare subsp. buxiforme Geo. D. Butler 1908-6-24 181 Siskiyou near Yreka Comment
  POM145046  Polygonum bistortoides C. F. Baker 1903-9-7 3854 Siskiyou Mt. Eddy. Comment
  RSA12489  Polygonum bistortoides Carl B. Wolf 1934-7-4 5948 Siskiyou 6.8 miles from Dry Lake lookout on road to Horse Creek, Siskiyou Mountains. 1829 Comment
  RSA273321  Polygonum buxiforme J. P. Smith, J. O. Sawyer 1972-9-14 5807 Siskiyou Miners Creek Road just south of French Creek Road between Callahan and Etna 915 Comment
  JEPS50521  Polygonum convolvulus W. L. Jepson July, 1894 14804 Siskiyou Sisson Comment
  JEPS74541  Polygonum davisiae W. J. Ferlatte 1966-7-6 186 Siskiyou Caribou Mtn. Trinity Alps 2468 Comment
  JEPS82457  Polygonum davisiae Gilbert Muth 1966-7-14 392 Siskiyou flat above Marble Valley (Marble Gap trail); Marble Mt. Wilderness Area 1828 Comment
  CAS-BOT-BC414601  Polygonum douglasii Peter H. Raven 1956-9-5 10458 Siskiyou North Fork of Sacramento River 2011 Comment
  OBI72046  Polygonum douglasii Barbara Ertter 1990-7-14 9310 Siskiyou E side Mt. Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet ner end of FR 41N53 ca 1 mi N of morgan Meadows 1676 Comment
  JEPS51298  Polygonum douglasii subsp. douglasii Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou near Mt. Shasta; Region of the Upper Sacramento, Sisson Comment
  JEPS84295  Polygonum douglasii subsp. douglasii L. R. Heckard with J. Hickman, S. D'Alcamo 1986-7-17 6483 Siskiyou e Cook and Green Pass (w ridge of butte); Copper Butte 1524 Comment
  CHSC88094  Polygonum douglasii subsp. johnstonii Jenny Marr 1993-7-1 104 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC55510  Polygonum douglasii subsp. spergulariiforme T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC637130  Polygonum douglasii subsp. spergulariiforme Annetta Carter 1934-8-10 689 Siskiyou s bank of river between McKinney Creek and Parkhouse Creek (near Hamburg); Klamath River 609 Comment
  UC217425  Polygonum douglasii subsp. spergulariiforme H. M. Hall 1919-10-1 Siskiyou s slope on Oregon hwy Siskiyou Mts. Comment
  RSA237762  Polygonum kelloggii Frederick W. Oettinger 1967-8-7 1264 Siskiyou English Lake Meadows. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  JEPS50626  Polygonum lapathifolium Geo. D. Butler 1908-7-16 196 Siskiyou near Yreka (along creek); Butler's Ranch Comment
  RSA240081  Polygonum persicaria Frederick W. Oettinger 1969-8-29 1562 Siskiyou Main N Fork Trail betw 4th and 5th river crossing. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. Comment
  CAS-BOT-BC420070  Polygonum polygaloides subsp. kelloggii Gilbert Muth 1966-7-19 425 Siskiyou Marble Mts. 1798 Comment
  RSA466384  Polygonum ramosissimum Louis C. Wheeler 1934-7-3 2860 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. 1677 Comment
  UC1409209  Polygonum sawatchense subsp. oblivium Frederick W. Oettinger 1968-8-11 471 Siskiyou Tom Taylor Cabin Salmon Mountains, Marble Mountain Wilderness Area (ne side creek bed, w Siskiyou Co.) 2042 Comment
  CAS-BOT-BC420223  Polygonum sawatchense subsp. sawatchense Alice Eastwood 1923-5-29 12007 Siskiyou Cantara Comment
  JEPS40856  Polygonum shastense Paul C. Hutchison 1962-8-2 935 Siskiyou between Panther Meadow and top of ski lift; Mt. Shasta 2621 Comment
  SEINET10848475  Polygonum shastense Andrew Townesmith, Karen M. Meyer 2007-7-30 Townesmith 867 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta. T41N R3W S33 NW 1/4. 2399 Comment
  SEINET3404054 Image available Polygonum shastense W. Bridge Cooke 1941-9-10 16292 Siskiyou Horse Camp, Mt. Shasta Comment
  UC1037193  Polygonum shastense Leo Whitney 1934-6-17 1508 Siskiyou Mt. Shasta; n side 3048 Comment
  CAS-BOT-BC421083  Polygonum spergulariiforme W. B. Cooke; V. G. Cooke 1972-6-30 45414 Siskiyou Military Pass Road above Andesite Crossing, Mt. Shasta Comment
  CAS-BOT-BC421076  Polygonum spergulariiforme Louis C. Wheeler 1934-9-26 3303 Siskiyou Klamath National Forest. Lumgrey Creek 1005 Comment
  POM265991  Polypodium glycyrrhiza Lincoln Constance, Reed C. Rollins 1942-5-13 2908 Siskiyou Klamath-Siskiyou Region: Klamath River 4 miles east of Seiad. 457 Comment
  CAS-BOT-BC232928  Polypogon Melissa A. Berry 1957-7-2 s.n. Siskiyou Fay Lane, Scott Valley 822 Comment
  HSC27335  Polystichum imbricans J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5709 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  POM215873  Polystichum imbricans L. C. Wheeler 1935-4-16 3421 Siskiyou Soap Creek, Siskiyou Mountains. (Mt Diablo Mer.) 1585 Comment
  RSA237503  Polystichum imbricans Frederick W. Oettinger 1969-9-3 1616 Siskiyou Just below that section of the English Peak-Hancock Lake trail that is due NE of Tom's Lake. West facing. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC76729  Polystichum imbricans subsp. imbricans J. H. Thomas 1949-6-16 953 Siskiyou Klamath National Forest - 1/4 mile north of Beaver Creek Public Camp along Beaver Creek; 5 miles north of junction Comment
  CAS-BOT-BC76740  Polystichum imbricans subsp. imbricans Geo. D. Butler 1910-7-9 1693 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC72384  Polystichum lemmonii Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  JEPS94714  Polystichum lemmonii Vernon H. Oswald and Lowell Ahart 1998-8-3 9449 Siskiyou Rock Fence Lake Road (USFS 41N18) 1.2 mi ne of its intersection with Kangaroo Lake Road (USFS 41N08) (4.9 mi se of Gazelle-Callahan Road); Rock Fence Lake Road (USFS 41N18) 1767 Comment
  POM210932  Polystichum lemmonii L. C. Wheeler 1934-8-14 3137 Siskiyou North side White Mt., Siskiyou Mountains 1768 Comment
  UC1299762  Polystichum lemmonii Freed W. Hoffman 1951-7-16 4045 Siskiyou Packers' Valley North Coast Ranges, Marble Mts., Packers' Valley 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-BC72406  Polystichum lonchitis John Thomas Howell 1939-8-3 14991 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC79160  Polystichum lonchitis C. J. Thomas 1983-10-1 89 Siskiyou N side of Black Mtn. in Marble Mtn. Wilderness 1976 Comment
  UC1334021  Polystichum lonchitis Dorothy Parker 336 Siskiyou above Paradise Lake; Siskiyou Mts., Salmon Mt. 1981 Comment
  UC922427  Polystichum lonchitis Annie M. Alexander and Louise Kellogg 1949-7-24 5858 Siskiyou trail to Bear Lake Paradise Lake; Marble Mts., Paradise Lake 1920 Comment
  CAS-BOT-BC72396  Polystichum lonchitis L. R. Short 1933-9-10 76 Siskiyou Rogue River National Forest 1889 Comment
  HSC34471  Polystichum scopulinum A. M. Montalvo, J. D. Ackerman 1974-8-18 429 Siskiyou Ridge above chromium mine near Cyclone Gap and Copper Mtn. Siskiyou Mtns. 1829 Comment
  HSC99282  Populus fremontii subsp. fremontii Frank T. Callahan May 2007 Siskiyou Moffett Creek Comment
  CAS-BOT-BC102766  Populus tremuloides L. B. Kildale 1930-6-1 9732 Siskiyou Salmon River between Oak Bottom and Somes Bar Comment
  CAS-BOT-BC102959  Populus trichocarpa W. B. C. 1942-7-2 16363 Siskiyou Bed of Mud Creek Canyon above the Dam, [Mt.Shasta] Mt. Shasta 1524 Comment
  HSC78200  Potentilla breweri L. P. Janeway 1983-8-6 492 Siskiyou Poker Flat, upper part of lower portion of meadow 1524 Comment
  JEPS44292  Potentilla breweri W. L. Jepson 1907-7-4 2815 Siskiyou Shackleford Canyon near Marble Mountain (W Siskiyou County); Shackleford Canyon Comment
  RSA237622  Potentilla breweri var. breweri Frederick W. Oettinger 1969-7-13 1000 Siskiyou North of upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  CDA26077  Potentilla flabellifolia Gordon Leppig, J. Kalt 1996-7-9 390 Siskiyou Northern California Peatlands; Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, in cirque west of Little Duck Lake. Comment
  HSC18736  Potentilla flabellifolia Dorothy Parker 1949-7-10 338 Siskiyou Head of Paradise Lake, Salmon Mtn. Comment
  HSC86547  Potentilla gracilis D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  CHSC71498  Potentilla gracilis var. fastigiata Vernon H. Oswald; Lowell Ahart 1998-7-21 9351 Siskiyou Northeast of Weed and south of Macdoel along Old State Highway on the west side of Bray. In meadow along the road. 1417 Comment
  CAS-BOT-BC540572  Potentilla gracilis var. fastigiata Alice Eastwood 1921-7-24 10778 Siskiyou Castle Lake Comment
  RSA85694  Potentilla gracilis var. fastigiata E. E. Stanford 1930-8-14 2079 Siskiyou Below summit of Sonora Pass. 2896 Comment
  CAS-BOT-BC158526  Potentilla millefolia A. A. Heller 1938-7-13 15266 Siskiyou About a mile south of Bray, along U. S. Highway #97 Comment
  CAS-BOT-BC516382  Prosartes hookeri Geo. D. Butler 1908-8-24 93 Siskiyou Eldridges Corral, Russian Creek Comment
  UCD125347  Prunella vulgaris N. S. Morgan 1934-9-1 s.n. Siskiyou Mount Shasta City, Box 363. Comment
  UC456106  Prunella vulgaris var. lanceolata I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  HSC96830  Prunus emarginata S. Lyon, J. McIntire 2006-6-25 31 Siskiyou 50 ft. E of intersection of FS 39N14 and 39N04 on 39N14 1616 Comment
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Nov 3 2014
  LA208061  Prunus emarginata W. B. C.; 1938-6-17 11061 Siskiyou Mount Shasta, along the Sisson Southern Trail 1371 Comment
  POM257200  Prunus emarginata Annetta Carter 1939-8-19 1455 Siskiyou 3.5 miles N of Dunsmuir. 915 Comment
  UCD77961  Prunus emarginata Robert E. Preston 2001-6-30 1652 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W nw 1/4 of se 1/4 Section 14 1889 Comment
  CAS-BOT-BC158199  Prunus emarginata Paul F. Covel 1939-8-13 1652 Siskiyou Lava Beds Nat. Monument, Modoc-Siskiyou Co's Comment
  SEINET10937255  Prunus subcordata Lincoln Constance, Reed C. Rollins 1942-5-14 Constance s.n. 1942 Siskiyou Road to Walker Post Office, 3 miles west of Yreka. 1220 Comment
  UC484192  Prunus subcordata E. R. Johnson 1928-8-31 1195 Siskiyou w edge of Lava Beds National Monument, between Bartle and Lookout Lava Beds National Monument 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-BC151245  Prunus virginiana var. demissa Carl B. Wolf 1927-8-27 1114 Siskiyou On the Klamath River, Happy Camp Comment
  JEPS44608  Prunus virginiana var. demissa W. L. Jepson 1940-7-3 20092 Siskiyou 6 mi e of McCloud (Fowlers Camp, McCloud River); McCloud River, Fowlers Camp 944 Comment
  UC454998  Prunus virginiana var. demissa I. J. Condit 1911-7-13 Siskiyou Dunsmuir Comment
  JEPS25881  Pseudognaphalium stramineum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7479 Siskiyou 4 mi above Oak Bottom guard station ((or 5 mi above and se of Somes Bar)); Salmon River gorge 274 Comment
  CAS-BOT-BC357577  Pseudognaphalium stramineum Carl B. Wolf 1927-8-26 1061 Siskiyou On the Klamath River, 3 mi. below Gottville Comment
  JEPS80667  Pseudognaphalium thermale W. B. and V. G. Cooke 1977-9-22 54838 Siskiyou along logging road to Mud Creek Dam Squaw Valley Creek; Mt. Shasta Comment
  CAS-BOT-BC239811  Pseudoroegneria spicata Louis C. Wheeler 1934-6-29 2831 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1066 Comment
  CAS-BOT-BC94427  Pseudostellaria jamesiana R. C. Wenk 2005-7-16 257 Siskiyou Trinity Alps, South Fork of the Salmon River. South end of Big Flat Meadow 1499 Comment
  RSA724915  Pseudostellaria jamesiana L. P. Janeway 2006-7-1 8725 Siskiyou Klamath Ranges, Salmon Mountains; Just west of Carter Meadow, north side of South Fork Salmon River. 1579 Comment
  CAS-BOT-BC80167  Pseudotsuga menziesii W. R. Dudley 1899-8-9 s.n. Siskiyou Top of Black Butte Comment
  CAS-BOT-BC80170  Pseudotsuga menziesii Carl B. Wolf 1927-8-26 1070 Siskiyou On the Klamath River, 8 mi. above Hamburg Comment
  POM127004  Pseudotsuga menziesii Geo D. Butler 1904-4-25 1096 Siskiyou Luah [data label info illegible] Valley. Comment
  HSC36736  Pseudotsuga menziesii var. menziesii Brent Whitely 1975-6-21 11 Siskiyou 223 Comment
  HSC68392  Pteridium aquilinum var. pubescens Maralyn A. Renner 1980-6-26 1248 Siskiyou SE edge of Flint Valley. 1390 Comment
  UC42931  Pteridium aquilinum var. pubescens Marshall A. Howe 1894-8-8 Siskiyou Shasta Soda Springs Comment
  HSC36705  Pteridium aquilinum var. pubescens Brent Whiteley 1975-6-23 44 Siskiyou 223 Comment
  UC637120  Pterospora andromedea Edward Lee 1934-8-13 1077 a Siskiyou Happy Camp to Waldo (OR) road Klamath National Forest, watershed of West Branch of Indian 1432 Comment
  CAS-BOT-BC460554  Pterospora andromedea Ira L. Wiggins 1955-7-21 13443 Siskiyou Rush Creek Trail, 2 mi. above Mt. View Ranch 1097 Comment
  UC566809  Pteryxia terebinthina var. californica Frank W. Peirson 1923-7-19 3951 Siskiyou Whitney Cr.foot of Mt Shasta Comment
  CAS-BOT-BC147908  Purshia tridentata var. tridentata G. P. Rixford s.n. Siskiyou South side of Shaft Rock, Mt. Hilt Comment
  RSA1187  Purshia tridentata var. tridentata B. D. Stark 1929-7-25 1390 Siskiyou 2 miles N of Sawyers Camp. Klamath River. 152 Comment
  CAS-BOT-BC460860  Pyrola aphylla Volney Rattan 1879-6-1 s.n. Siskiyou Klamath Comment
  CAS-BOT-BC460862  Pyrola aphylla W. R. Dudley 1893-6-21 s.n. Siskiyou Sides of Mt. Shasta Comment
  JEPS58856  Pyrola asarifolia Willis L. Jepson 1894-8-4 14665 Siskiyou Mt. Shasta Comment
  UC1409389  Pyrola asarifolia Frederick W. Oettinger 1969-8-14 1364 Siskiyou into to Upper English Lake 1767 Comment
  RSA0080540  Pyrola crypta Frederick W. Oettinger 1969-8-31 1570 Siskiyou North side of English Peak along Tanner's Peak Trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  HSC73213  Pyrola dentata Gail Newton 1980-6-20 501 Siskiyou Near Bald Mtn. 250 Comment
  HSC67673  Pyrola minor John Palmer 1980-7-24 594 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  UC625499  Pyrola picta Frank W. Gould 1938-6-27 473 Siskiyou 3 mi n of town of Mount Shasta (near highway U.S. 99) 1082 Comment
  UC722480  Pyrola picta C. L. Hitchcock, J. S. Martin 1939-7-8 5301 Siskiyou 15 mi n of Happy Camp (on Happy Camp-Takilma Highway); Happy Camp-Takilma Highway 914 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-BC466146  Pyrola picta Lester Rowntree 1937-8-8 s.n. Siskiyou Happy Camp Road Comment
  UC86685  Pyrrocoma carthamoides var. cusickii J. W. Congdon 1900-8-18 Siskiyou [illeg.] Mt. Eddy Comment
  UC563092  Pyrrocoma racemosa var. paniculata Elmer I. Applegate 1923-8-21 3925 Siskiyou s of Lower Klamath Marsh; Willow Creek Comment
  OBI55525  Pyrrocoma racemosa var. pinetorum David J. Keil 1992-7-21 23514 Siskiyou Klamath NF SE of Callahan on hwy 3, 5.3 mi NW of Scott Mtn summit Comment
  CAS-BOT-BC94648  Quercus garryana Doris K. Kildale 1928-8-18 6430 Siskiyou North Fork Salmon River, at Finley Camp Comment
  CAS-BOT-BC94650  Quercus garryana Copeland 1903-7-14 3522 Siskiyou Klamathon Comment
  HSC36686  Quercus garryana Brent Whitely 1975-6-20 5 Siskiyou 223 Comment
  UC142637  Quercus garryana Copeland 1903-7-14 3522 Siskiyou Klamathon Comment
  RSA237386  Quercus garryana var. breweri Frederick W. Oettinger 1968-8-18 574 Siskiyou Due NNW of Tobacco Lake and west of the west cove of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  RSA639548  Quercus garryana var. breweri Louis C. Wheeler 1952-9-17 6940 Siskiyou [No location information on label.] Comment
  RSA476804  Quercus garryana var. garryana E. E. Stanford 1930-6-16 1603 Siskiyou Near Hornbrook. Comment
  RSA120900  Quercus garryana var. garryana Milo S. Baker 1957-6-16 13647 B Siskiyou Along Highway S of Gazelle. Comment
  CAS-BOT-BC105466  Quercus kelloggii Alice Eastwood 1912-8-28 1961 Siskiyou Cantara Comment
  RSA623527  Quercus kelloggii J. M. Tucker 1972-8-8 4244 Siskiyou Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 miles west-southwest of Marble Valley Guard Station. 1829 Comment
  JEPS37855  Quercus sadleriana Geo. D. Butler 1908-8-4 234 Siskiyou Wooly Creek 1676 Comment
  UCSB1235  Quercus sadleriana Muller, Cornelius 1954-6-23 Siskiyou Summit, 3-5 mi. S of Oregon line, on road to Happy Camp, Siskiyou Mtns.; Del Norte-Siskiyou line Comment
  SEINET12034999  Quercus sadleriana M. Ownbey, Meyer, F. G. 1940-1 2230 Siskiyou near summit of Siskiyou Mts, 20 mi N of Happy Camp Comment
  CAS-BOT-BC104632  Quercus vacciniifolia Louis C. Wheeler 1934-8-8 3066 Siskiyou Siskiyou Mts. West Fork Beaver Creek 1676 Comment
  HSC29466  Quercus vacciniifolia Frederick W. Oettinger 1968-9-5 704 Siskiyou Marble Mtn. Wilderness Area, SE slope along trail from English to Diamond Lake 1890 Comment
  HSC68525  Quercus vacciniifolia Maralyn A. Renner 1980-6-23 999 Siskiyou W Fork Seiad Creek 878 Comment
  RSA105416  Ranunculus aquatilis var. capillaceus Milo S. Baker 1955-6-29 52 Siskiyou 4.1 miles SE of Etna on the Eastside Road. In a Stagnant pool. 915 Comment
  RSA238279  Ranunculus aquatilis var. capillaceus Frederick W. Oettinger 1969-9-5 1683 Siskiyou Salamander Pond near Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC379130  Ranunculus aquatilis var. diffusus Laura M. Lathrop 1903-7-20 s.n. Siskiyou Shasta Retreat Comment
  HSC28663  Ranunculus aquatilis var. diffusus Frederick W. Oettinger 1969-9-5 1679 Siskiyou Marble Mtn. Wilderness Area, Abbott's Lake 1768 Comment
  HSC28740  Ranunculus aquatilis var. diffusus Frederick W. Oettinger 1969-8-24 1541 Siskiyou Marble Mtn. Wilderness Area, outlet of Upper English Lake 1921 Comment
  JEPS107487  Ranunculus cymbalaria var. saximontanus Lowell Ahart, John Dittes 2005-6-9 12040 Siskiyou 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
  UC922305  Ranunculus eschscholtzii var. suksdorfii Annie M. Alexander and Louise Kellogg 1949-7-29 5902 Siskiyou Trail to Hidden Lake Marble Mountains, Sky High Valley (by way of Campbell Lake trail, facing n to Marble Ridge) 1767 Comment
  RSA184769  Ranunculus eschscholtzii var. suksdorfii Gilbert Muth 1966-7-8 355 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  UC375275  Ranunculus flammula Geo. D. Butler 1908-8-10 356 Siskiyou waterhole above Log Lake (Shackleford Creek); Shackleford Creek 1524 Comment
  SEINET12100399  Ranunculus flammula H. P. Chandler 1901-1 1552 Siskiyou near Marble Mountain 1829 Comment
  HSC86556  Ranunculus gormanii D. K. Imper Jul 1987 Siskiyou Marble Mtn. Wilderness Area, Haypress Meadow, 8 mi. E of Somes Bar 1372 Comment
  RSA211128  Ranunculus orthorhynchus William J. Ferlatte 1966-6-22 106 Siskiyou Wooded area 3 miles S of Big Flat. 1585 Comment
  RSA604936  Ranunculus populago Louis C. Wheeler 1935-7-23 3685 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Mud Springs, Middlehell Creek. 2012 Comment
  UC1181802  Ranunculus uncinatus Dorothy Parker 1950-5-21 433 Siskiyou Fay Lane Siskiyou Mountains, Scott Valley (edges of swamp) 853 Comment
  POM268994  Ranunculus uncinatus var. parviflorus Louis C. Wheeler 1934-6-7 2656 Siskiyou North Hungry Creek. 1220 Comment
  RSA30439  Rhamnus californica subsp. occidentalis A. A. Heller 1915-8-26 12245 Siskiyou Wagon Creek at the foot of Mt. Eddy. 1128 Comment
  UC1211981  Rhamnus crocea Victor A. Zullo 1962-2-12 Siskiyou between Etna and Callahan (s side of Horseshoe Gulch, a side canyon of McConaughy Gulch, on the e side of Scott Valley); Scott Valley, Horseshoe Gulch, McConaughy Gulch Comment
  JEPS41969  Rhamnus purshiana Willis L. Jepson 1894-1 13967 Siskiyou Sisson Upper Sacramento Region Comment
  POM244253  Rhamnus rubra subsp. obtusissima Carl B. Wolf 1930-10-22 1755 Siskiyou 3 miles N of Mt. Shasta City on the Pacific Hwy 1220 Comment
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Sep 10 2010
  RSA237250  Rhodiola integrifolia subsp. integrifolia Frederick W. Oettinger 1967-7-8 162 Siskiyou Above Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2107 Comment
  RSA697559  Rhododendron macrophyllum Leo Miller 1938-07 s.n. Siskiyou Siskiyou, Mountains. 915 Comment
  CHSC71576  Rhododendron neoglandulosum Vernon H. Oswald; Lowell Ahart 1998-8-3 9430 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  HSC68401  Rhododendron occidentale var. paludosum Maralyn A. Renner 1980-7-4 1453 Siskiyou Clear Creek Trail, N of Trout Camp 1037 Comment
  UC1045240  Rhus trilobata W. Bridge Cooke 1940-6-4 15010 Siskiyou Shasta Valley Mount Shasta (along the Bolam road) 1219 Comment
  UC455594  Ribes I. J. Condit 1911-7-22 Siskiyou trail to Horse Camp; Mt. Shasta 1676 Comment
  CAS-BOT-BC438017  Ribes H. E. Brown 1898-1-1 393 Siskiyou North side of Mt. Shasta Comment
  SEINET3151601  Ribes aureum G. D. Butler 1910-4-19 1203 Siskiyou Yreka Creek Comment
  JEPS48555  Ribes binominatum Hilda W. Grinnell 1935-6-8 Siskiyou head Dogget Creek (Deer Creek Ranger Station); Siskiyou Mts. 1798 Comment
  HSC92794  Ribes cereum Jennifer Whipple 1976-7-1 1232 Siskiyou Ridge N of Little Crater Lake 2287 Comment
  SFV1613  Ribes cereum J. Major 1961-7-14 635 Siskiyou Mount Shasta, Panther Creek. 1790 Comment
  UCD102136  Ribes cereum Wm. E. Moon 1958-5-29 s.n. Siskiyou along State Hwy 97, southwest of Hebron Summit. 1524 Comment
  SEINET3151782  Ribes hittellianum A. A. Heller 1905-6-5 7967 Siskiyou near Shasta Springs Comment
  HSC19373  Ribes lacustre J. O. Sawyer 1968-6-25 292 Siskiyou NE of N Horse Range Lake 2012 Comment
  RSA0021107  Ribes lacustre Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1263 Siskiyou Stream at Toms Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1966 Comment
  RSA0021109  Ribes lacustre M. B. Dunkle 1944-7-26 9039 Siskiyou Siskiyou National Forest. 1829 Comment
  LA97625  Ribes lobbii J. M. Tucker; 1974-7-28 4324 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area, adjacent to camp 1462 Comment
  RSA0021141  Ribes lobbii J. P. Smith 1977-5-15 9072 Siskiyou The road leading through International Paper property to the Duck Lakes trailheads. 1524 Comment
  RSA0021145  Ribes lobbii J. P. Smith 1974-5-25 7443 Siskiyou Near junction of Road 8 and French Creek Road. 1280 Comment
  CAS-BOT-BC465594  Ribes montigenum Julie Kierstead Nelson; Martin Lenz 2015-6-18 2015 -061 Siskiyou Headwaters of West Fork Parks Creek, 2 mi NNE of China Mountain; 7 mi W of town of Weed 2208 Comment
  SEINET10482942  Ribes nevadaense Mary Susan Taylor 1980-6-23 Taylor 2946 Siskiyou T39N R6W se sec 25 Dunsmuir quad. Shasta-Trinity Natl Forest; bog around Cedar Lake, ca. 11 mi SW of Mt Shasta City; peaty soils over gabbro. 1737 Comment
  JEPS49284  Ribes nevadense Willis L. Jepson 1894-8-4 13520 Siskiyou half-way up from Cedar Spring to Horse-Camp; Mt. Shasta Comment
  UC75474  Ribes roezlii Milo S. Baker 1896-8-1 133 Siskiyou Payne's Springs 1981 Comment
  CAS-BOT-BC199982  Ribes roezlii var. cruentum John Thomas Howell 1937-7-26 13546 Siskiyou Caribou Gulch Comment
  HSC39740  Ribes roezlii var. cruentum J. O. Sawyer 1970-4-3 2095 Siskiyou Along Sugar Creek 915 Comment
  JEPS49462  Ribes roezlii var. cruentum W. L. Jepson 1902-7-17 2059 Siskiyou trail to Devil's Backbone; Trinity Summit 2133 Comment
  UC165923  Ribes sanguineum Geo. D. Butler 1910-5-5 1286 Siskiyou Humbug Mountain Comment
  RSA0019542  Ribes sanguineum Geo. D. Butler 1909-4-24 670 Siskiyou Cherry Creek. Comment
  SEINET5339795  Ribes velutinum G. Butler 1910-5-21 1374 Siskiyou Klamath River Comment
  CAS-BOT-BC168800  Ribes viscosissimum Edna Kelsey 1961-8-1 s.n. Siskiyou Skyhigh Lake, Marble Mts. Comment
  HSC22201  Ribes viscosissimum J. O. Sawyer 1968-7-22 533 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC33927  Ribes viscosissimum J. O. Sawyer 1968-7-23 594 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  UCD102544  Ribes viscosissimum John M. Tucker 1963-7-7 3710 Siskiyou in vicinity of Paradise Lake, at base on east side of Kings Castle, Marble Mountain Wilderness Area. 1981 Comment
  RSA472513  Rigiopappus leptocladus L. C. Wheeler 1934-6-2 2617 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mountains. 671 Comment
  CDA33348  Rorippa columbiae Dale Woods 2010-9-9 s.n. Siskiyou In the vicinity of Medicine Lake (Dry Lake). 0 Comment
  HSC43151  Rorippa curvisiliqua Ken Stillman 1976-8-24 427 Siskiyou Along the Klamath River at Williams Point 366 Comment
  UC165305  Rorippa curvisiliqua Geo. D. Butler 1908-7-16 118 Siskiyou near Yreka Comment
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Feb 18 2009
  UC1871394  Rosa Barbara Ertter 2006-7-30 18749 b Siskiyou just N of Yreka on Rt 263, below roadbed in partial shade of isolated tree. 762 Comment
  CHSC75750  Rosa canina Vernon H. Oswald; Lowell Ahart 1999-7-5 9810 Siskiyou Gazelle Mtn. on road 41N03 0.5 mi southeast of Gazelle-Callahan Hwy. Roadside. 1508 Comment
  UC1795619  Rosa canina Barbara Ertter 2001-6-9 17667 Siskiyou Mt. Shasta City at west base of Mt. Shasta, sedge meadow at SE corner of Lake and Commercial streets [destroyed for development in 2002] 1066 Comment
  CAS-BOT-BC146767  Rosa gymnocarpa Geo. D. Butler 1910-5-30 1437 Siskiyou Humbug Mt. 1219 Comment
  RSA237812  Rosa gymnocarpa Frederick W. Oettinger 1969-9-4 1640 Siskiyou NW side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1951 Comment
  UC164425  Rosa gymnocarpa Geo. D. Butler 1910-8-7 1816 Siskiyou Humbug Mountain 1219 Comment
  UC726473  Rosa nutkana subsp. macdougalii A. A. Heller 1919-6-20 13254 Siskiyou Metcalf's Comment
  CAS-BOT-BC147055  Rosa pisocarpa Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC147066  Rosa pisocarpa E. K. Balls; P. C. Everett 1952-10-13 18185 Siskiyou 3.6 mi. s.w. of turn off to Ney Springs on road from town of Mt. Shasta to Castle Lake 1524 Comment
  CHSC4281  Rosa pisocarpa D. Parker 1965-7-26 906 Siskiyou Cabin Meadow Creek, tributary to the E Fork of Scott River. 1676 Comment
  HSC90551  Rosa pisocarpa Jennifer Whipple 1977-8-6 2203 Siskiyou W side of Dobkins Lake 2073 Comment
  UC329938  Rosa pisocarpa unknown Sept. 1889 Siskiyou Sisson's Meadows Comment
  UC637138  Rosa pisocarpa Annetta Carter 1934-8-13 704 Siskiyou Happy Camp to Waldo (Oregon) rd Klamath National Forest, watershed of West Branch of Indian 1371 Comment
  UC637139  Rosa pisocarpa Edward Lee 1934-8-15 1123 Siskiyou summit of Happy Camp to Waldo (Oregon) rd Klamath National Forest, Indian Creek watershed 1615 Comment
  JEPS83869  Rosa pisocarpa subsp. pisocarpa Wayne Roderick 1976-7-1 Siskiyou vicinity of Cook and Green Pass Siskiyou Mts. 1463 Comment
  HSC32289  Rosa rubiginosa J. O. Sawyer 1970-6-15 2200 Siskiyou Slopes N of Sugar Creek 976 Comment
  CAS-BOT-BC149737  Rosa woodsii subsp. ultramontana Geo. D. Butler 1910-7-31 1804 Siskiyou Yreka Creek Comment
  SBBG27224  Rubus glaucifolius L. C. Wheeler 1934-8-31 3233 Siskiyou Bear Crk off W fork Beaver Crk 1767 Comment
  HSC99744  Rubus laciniatus C. B. Wolf 1927-8-27 1115 Siskiyou Klamath River at Happy Camp. Comment
  CAS-BOT-BC147318  Rubus parviflorus Geo. D. Butler 1910-5-30 1438 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC147322  Rubus parviflorus Geo. D. Butler 1910-5-30 1438 Siskiyou Humbug Mountain 1219 Comment
  RSA264949  Rubus parviflorus G. L. Clifton 1975-7-28 s.n. Siskiyou Near Cook and Green Pass. Near Seiad Valley. 1646 Comment
  CAS-BOT-BC157160  Rubus ursinus Doris K. Kildale 1929-8-23 8809 Siskiyou Young's Valley, on trail to Preston Peak Comment
  UC618725  Rubus ursinus W. Bridge Cooke 1938-6-17 11048 Siskiyou Sisson Southern Trail , Sisson Southern Trail (Mount Shasta) Comment
  CAS-BOT-BC422226  Rumex acetosella H. A. Thomas; J. H. Thomas 1954-7-23 4458 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Along north bank of S. Fork of Salmon River just west of Blind Horse Creek. 883 Comment
  CAS-BOT-BC421724  Rumex conglomeratus Alice Eastwood 1912-7-21 1286 Siskiyou Sisson Comment
  UC164027  Rumex maritimus Geo. D. Butler 1910-9-12 1877 Siskiyou Butte Valley 1280 Comment
  JEPS39939  Rumex occidentalis W. L. Jepson 1914-8-13 5799 Siskiyou Marshes at Sisson Sisson 1097 Comment
  JEPS39940  Rumex occidentalis W. L. Jepson 1913-8-13 5799 Siskiyou Marshes at Sisson Sisson 1097 Comment
  UC375324  Rumex salicifolius var. salicifolius Geo. D. Butler 1908-7-6 512 Siskiyou near Yreka Comment
  SEINET516326  Rumex stenophyllus Vernon H. Oswald 1998-9-16 9647 Siskiyou Vista point on Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi E of Hwy. 97. 1244 Comment
  RSA210801  Ruppia cirrhosa Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39035 Siskiyou Along Highway 161 at north edge of White Lake, 13.5 miles east of junction of Highways 97 and 161. 1280 Comment
  UC935797  Sagittaria cuneata Herbert L. Mason 1948-7-18 13607 Siskiyou Grass Lake Comment
  CAS-BOT-BC103541  Salix commutata Gilbert Muth 1965-8-5 s.n. Siskiyou Along trail behind Blk. Mt. Comment
  CAS-BOT-BC103545  Salix commutata Doris K. Kildale 1928-8-19 6572 Siskiyou Hancock Lake on trail to Marble Mt. 2133 Comment
  HSC19410  Salix eastwoodiae J. O. Sawyer 1968-7-22 540 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  UC846308  Salix eastwoodiae John Thomas Howell 1939-8-5 15078 Siskiyou Spirit Lake; Marble Mts. Comment
  HSC28673  Salix lasiandra var. lasiandra Frederick W. Oettinger 1968-8-12 487 Siskiyou Marble Mtn. Wilderness Area, W of Hancock Lake 1890 Comment
  CAS-BOT-BC107069  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 412 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1425 Comment
  UC576380  Salix lasiolepis Mrs. H. P. Bracelin 1935-9-3 853 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
  UC576384  Salix lasiolepis Mrs. H. P. Bracelin 1936-5-12 845 Siskiyou 11 mi. n.w. from Mt. Shasta City (ca. 2 mi. e. of Burney Mill, n. base Mt. Eddy, flat beside creek at bridge); n. base Mt. Eddy 1127 Comment
  UC576389  Salix lasiolepis Mrs. H. P. Bracelin 1936-5-12 844 Siskiyou 11 mi. n.w. from Mt. Shasta City (ca. 2 mi. e. of Burney Mill, n. base Mt. Eddy, flat beside creek at bridge); n. base Mt. Eddy 1127 Comment
  CAS-BOT-BC124533  Salix lasiolepis var. lasiolepis Doris K. Kildale 1929-4-27 7850 Siskiyou Cecilville, upper south fork of Salmon River Comment
  CAS-BOT-BC124544  Salix lasiolepis var. lasiolepis W. R. Dudley 1899-8-8 s.n. Siskiyou Near Big Spring above Sisson Comment
  CAS-BOT-BC128302  Salix lasiolepis var. lasiolepis Doris K. Kildale 1929-4-27 7549 Siskiyou Cecilville, upper South Fork of Salmon River Comment
  RSA237997  Salix lemmonii Frederick W. Oettinger 1969-7-18 1060 Siskiyou E side of Upper English Lake. Salmon Mtns. High Lake Basins in the Vicinity of English Peak. Marble Mtn Wilderness Area. 1890 Comment
  UCR133524  Salix lemmonii Mrs. H. P. Bracelin 1931-6-19 415 Siskiyou Northeast side of Mount Eddy, c. 16 km. northwest of Shasta City, above Metcalf ranch house 1455 Comment
  POM213972  Salix melanopsis Isabelle C. Kimber 1934-6-9 12 Siskiyou Steelbridge Camp, Sacramento River just above confluence with Ney Creek. 732 Comment
  CAS-BOT-BC126169  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 444 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
  OBI70521  Salix scouleriana D. G. Kelch, Marianne Cabot 2008-8-12 s.n. Siskiyou Ft. Jones, 6711 Mill Creek rd Comment
  POM219899  Salix scouleriana H. P. Bracelin 1931-6-19 435 Siskiyou N base of Mt Eddy. About 10 km NW of Shasta City. E of Metcalf ranch house. 1080 Comment
  RSA238266  Salix scouleriana Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1308 Siskiyou English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1738 Comment
  SBBG57986  Salix scouleriana Mrs. H. P. Bracelin 1931-6-21 472 Siskiyou N base of Mount Eddy, ca. 13 km NW of Shasta City, at bridge, ca. 1.3 km E of Burney Mill 1110 Comment
  UC1539980  Salvia dorrii var. dorrii M. Mitchell 1936-5-21 45 Siskiyou Frozen River Cave; Lava Beds National Monument Comment
  OBI5331  Salvia pratensis C. S. Giebner 1968-7-29 s.n. Siskiyou E.H. Marlow prop, Greenhorn Valley, ca 2 mi W of Yreka Comment
  CAS-BOT-BC238880  Sambucus nigra subsp. caerulea Doris K. Kildale 1929-8-24 9067 Siskiyou Rattlesnake Meadow, near Preston Peak 1676 Comment
  HSC69296  Sambucus nigra subsp. caerulea Maralyn A. Renner 1980-7-24 1997 Siskiyou Lily Pad Lake 1768 Comment
  HSC22460  Sambucus racemosa var. racemosa J. O. Sawyer 1969-7-18 1371 Siskiyou E of Waterdog Lake 2012 Comment
  UC165427  Sanicula graveolens Geo. D. Butler 1909-5-31 1023 Siskiyou Humbug Creek Comment
  UC1733806  Sanicula graveolens Kay H. Beach, Frank Gould 1940-5-15 620 Siskiyou upper Bull Meadows. Comment
  UC735126  Sanicula graveolens Lincoln Constance and Ren Hwa Shan 1946-5-31 3059 Siskiyou Sacramento River, at Dunsmuir Dunsmuir; Sacramento River, Dunsmuir 701 Comment
  RSA471483  Sanicula graveolens M. B. Dunkle 1944-6-27 9043 Siskiyou Siskiyou Natl. Forest Comment
  HSC60781  Saxifraga howellii V. Stansell 1968-7-8 Siskiyou Bell Echo (Bell Echo Camp) in Youngs Valley. Comment
  JEPS82426  Saxifraga integrifolia Gilbert Muth 1966-7-8 367 Siskiyou Marble Valley Meadow; Marble Mountain Wilderness Area, Marble Valley Meadow 1792 Comment
  RSA237246  Saxifraga mertensiana Frederick W. Oettinger 1967-7-8 161 Siskiyou Above the western end of Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1887 Comment
  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
  CAS-BOT-BC445880  Saxifragopsis fragarioides C. L. Hitchcock; J. S. Martin 1939-7-7 5285 a Siskiyou Sanger Peak 1780 Comment
  HSC718  Saxifragopsis fragarioides William J. Ferlatte 1967-8-20 1054 Siskiyou Caribou Basin, Sawtooth Ridge 2043 Comment
  UCD126475  Schedonorus pratensis A. A. Heller 1915-8-24 12214 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  CAS-BOT-BC110852  Scirpus congdonii H. A. Thomas; J. H. Thomas 1954-7-24 4489 Siskiyou Salmon-Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow 1981 Comment
  HSC69109  Scirpus congdonii Maralyn A. Renner 1980-8-6 2306 Siskiyou Cracker Meadow 1555 Comment
  SEINET11754611  Scirpus congdonii J. P. Tracy 1950-1 19203 Siskiyou Flint Valley, ca 5 mi SE of Elk Valley 1433 Comment
  UC184694  Scirpus maritimus Geo. D. Butler 1910-8-21 1847 Siskiyou Shasta Valley Comment
  JEPS107421  Scirpus nevadensis Lowell Ahart, John Dittes 2005-6-9 12025 Siskiyou Meadow area along a small drainage, on the west side of a poor rock fence, about 150 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
  CHSC33019  Scleranthus annuus subsp. annuus James P. Smith 1973-5-5 6525 Siskiyou Scott Bar along the Scott River. Comment
  CAS-BOT-BC243527  Scribneria bolanderi E. L. Greene 1876-1-1 s.n. Siskiyou Yreka Comment
  UC164350  Scrophularia lanceolata Geo. D. Butler 1910-5-22 1383 Siskiyou Yreka Creek Comment
  POM43114  Scrophularia lanceolata Geo. D. Butler 1910-5-22 1383 Siskiyou Yreka Creek. Comment
  HSC334  Scutellaria angustifolia C. B. Wolf 1927-8-26 996 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  CHSC63403  Scutellaria antirrhinoides Vernon H. Oswald; Lowell Ahart 1994-7-11 6406 Siskiyou Forest Rd. 26 (to Mt. Shasta) paralleling the South Fork of the Sacramento River, just W of Forest Rd. 40N43, 9.2 mi SW of the dam at Lake Siskiyou. 1447 Comment
  SBBG124784  Scutellaria antirrhinoides C. B. Hardham 1961-7-2 8058 Siskiyou Salmon Mtn Summit Comment
  JEPS94674  Scutellaria galericulata Vernon H. Oswald and Lowell Ahart 1998-7-21 9350 Siskiyou ne Weed (and se of Macdoel in area of marshes and wet meadow along Old State Highway on w side of Bray) 1417 Comment
  UC1713628  Scutellaria nana W. Bridge Cooke 1940-7-26 15370 Siskiyou near the south bank of Diller Canyon (on the w side of Shastina); Mount Shasta, Shastina 2743 Comment
  JEPS83984  Sedum divergens L. R. Heckard with J. Hickman et al. 1986-7-17 6521 Siskiyou e Condrey Mt. (Alex Hole, n facing cliffs); e of Condrey Mt., Alex Hole 1960 Comment
  JEPS57176  Sedum lanceolatum L. R. Heckard 1967-8-13 1698 Siskiyou summit region Mt. Eddy; summit region Mt. Eddy 2743 Comment
  CAS-BOT-BC59182  Sedum lanceolatum C. L. Hitchcock; J. S. Martin 1950-8-3 5331 Siskiyou 1/2 mile SE of King's Castle. 1828 Comment
  RSA0059720  Sedum lanceolatum L. C. Wheeler 1934-8-9 3075 Siskiyou Head of Jaynes Canyon; Siskiyou Mts. Mt. Diablo Mer. North slope. 1921 Comment
  JEPS96690  Sedum laxum subsp. flavidum Dean W. Taylor 1997-6-12 16064 Siskiyou 4 mi west of Gazelle; Shasta Valley, Willow Creek 944 Comment
  UC1409249  Sedum laxum subsp. heckneri Frederick W. Oettinger 1968-8-16 535 Siskiyou n Hancock Lake (near summit Little Medicine Mountain, Salmon Mountains, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area, western Siskiyou); Salmon Mountains, nr summit Little Medicine Mountain 2103 Comment
  RSA96847  Sedum laxum subsp. laxum P. C. Everett, E. K. Balls 1954-10-13 20293 Siskiyou Indian Creek Rd. to Obrien, 20 mi. NW from Hwy 96 at Happy Camp. 1433 Comment
  JEPS26673  Sedum obtusatum subsp. boreale Lauramay T. Dempster 1961-7-1 1841 Siskiyou along ridge from Condrey Peak to White Mountain; along ridge fr Condry Peak to White Mountain Comment
  UC115408  Sedum obtusatum subsp. boreale Dr. E. B. Copeland 1903-8-18 3781 Siskiyou Mt. Eddy 2133 Comment
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Aug 17 2011
  UC830962  Sedum obtusatum subsp. boreale John Thomas Howell 1939-8-2 14905 Siskiyou Marble Mts. , Spirit Lake (Spirit Lake) Comment
  POM259593  Sedum obtusatum subsp. boreale J. T. Howell 1939-8-8 15141 Siskiyou Between Marble Valley and Sky High Valley, Marble Mts. Comment
  HSC40629  Sedum obtusatum subsp. retusum J. P. Smith, Steve Selva 1970-7-15 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  HSC74918  Sedum radiatum J. P. Smith, Jennifer Whipple 1978-7-2 9967 Siskiyou Klamath National Forest, ridge trail E of Cook and Green Pass 1341 Comment
  CAS-BOT-BC64097  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
  CAS-BOT-BC59093  Sedum spathulifolium A. A. Heller 1905-6-1 7932 Siskiyou Between Dunsmuir and Upper Soda Spring. Comment
  HSC101838  Sedum spathulifolium J. P. Smith, J. O. Sawyer, R. J. Cole 2011-5-22 13173 Siskiyou Along road from Cecilville to Forks of Salmon 743 Comment
  CAS-BOT-BC278104  Sedum stenopetalum subsp. stenopetalum Peter F. Zika 2011-7-19 25648 Siskiyou Near Pacific Crest Trail, 1 air mile WNW of Copper Butte, Siskiyou Mountains, Klamath Range (KR) 1610 Comment
  HSC99740  Selaginella scopulorum J. O. Sawyer 1969-6-12 882 Siskiyou Ridge SE of Eaton Lake 2226 Comment
  RSA237268  Selaginella wallacei Frederick W. Oettinger 1967-7-8 157 Siskiyou Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  RSA629724  Selaginella wallacei Louis Cutter Wheeler 1958-8-19 7400 Siskiyou Seiad Creek Mine. Comment
  CHSC33066  Senecio aronicoides James Payne Smith Jr. 1976-5-21 8769 Siskiyou Klamath National Forest, Forest Road 40N08, 6.9 miles from its junction with State Route 3. 1524 Comment
  UC711811  Senecio aronicoides Roxana S. Ferris and Laura Lorraine 1941-8-11 10505 Siskiyou slopes above Medicine Lake; Shasta National Forest Comment
  RSA14499  Senecio canus Elmer I. Applegate 1923-8-18 3868 Siskiyou Top of Redshale Mountain, east of Medicine Lake. 2439 Comment
  CAS-BOT-BC363743  Senecio hydrophilus Alice Eastwood 1912-9-4 2094 Siskiyou Sisson Comment
  UC1733689  Senecio integerrimus var. exaltatus Frank Gould, Kay H. Beach 1940-5-16 1250 Siskiyou Bald Mt. Comment
  RSA0125031  Senecio integerrimus var. exaltatus Philip A. Munz 1952-7-2 17882 Siskiyou Road to Baldy Mt. northwest of Happy Camp. 1494 Comment
  UC195243  Senecio integerrimus var. major Annie M. Alexander and Louise Kellogg 1911-6-24 182 Siskiyou Jackson Lake 1798 Comment
  CAS-BOT-BC364424  Senecio triangularis John Thomas Howell 1937-7-22 13306 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC68349  Senecio triangularis J. P. Smith, J. O. Sawyer 1970-7-17 4470 Siskiyou Below Kangaroo Lake. 1890 Comment
  UC163919  Senecio triangularis Geo. D. Butler 1910-6-5 1486 Siskiyou Shackleford Creek Comment
  HSC76737  Senecio triangularis K. T. Stillman 1976-7-14 235 Siskiyou Marble Mtn. Wilderness Area; Big Rock Camp & slope to Elk Valley 2073 Comment
  JEPS105152  Sidalcea asprella Dean W. Taylor 1993-7-30 13987 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 mi E of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  CAS-BOT-BC205783  Sidalcea oregana John Thomas Howell 1939-8-7 15122 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  UC454908  Sidalcea oregana subsp. oregana I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Shasta Retreat (dry bank along R.R.) Comment
  UC454909  Sidalcea oregana subsp. oregana I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Shasta Retreat (dry bank by R.R.) Comment
  HSC76662  Sidalcea oregana subsp. spicata K. T. Stillman 1976-7-22 290 Siskiyou Marble Mtn. Wilderness Area Comment
  UC725676  Sidalcea oregana subsp. spicata A. A. Heller 1916-7-20 12474 Siskiyou near Wagon Creek Falls (e side Mt. Eddy); e side of Mt. Eddy, near Wagon Creek Falls 1524 Comment
  CAS-BOT-BC181201  Silene campanulata subsp. glandulosa John Thomas Howell 1939-8-3 14971 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC74919  Silene campanulata subsp. glandulosa J. P. Smith, Jennifer Whipple 1978-7-2 9966 Siskiyou Klamath National Forest, ridge trail E of Cook and Green Pass 1341 Comment
  CAS-BOT-BC181185  Silene campanulata subsp. glandulosa Lillian Mott 1976-7-8 42 LM76 Siskiyou Salt Gulch a tributary of Horse Creek, ca. 7 mi. North of Klamath River 853 Comment
  CHSC34499  Silene grayi J. D. Jokerst 1981-9-8 1465 Siskiyou Comment
  HSC69515  Silene grayi John Palmer 1980-7-24 653 Siskiyou Dillon Divide 1707 Comment
  UC1188082  Silene grayi Philip A. Munz 1960-8-22 24188 Siskiyou Panther Meadows , Panther Meadows (Mt. Shasta) 2529 Comment
  CAS-BOT-BC388944  Silene grayi Mary Ann Showers 1980-8-28 2068 Siskiyou Lower slope of Red Butte, on lower slope of Mt. Shasta, Shasta-Trinity Natl Forest 2407 Comment
  CAS-BOT-BC388961  Silene grayi C. L. Hitchcock; J. S. Martin 1939-7-6 5227 Siskiyou Peak above and north of Divide of Siskiyou Mts., on Takilma-Happy Camp road 1828 Comment
  HSC103775  Silene hookeri subsp. hookeri M. R. Mesler 2014-6-6 1637 Siskiyou Elk Creek Rd (16N05) near Happy Camp 500 Comment
  CAS-BOT-BC388995  Silene laciniata subsp. californica Alice Eastwood 1912-7-24 1370 Siskiyou Castella Comment
  UC375339  Silene menziesii Geo. D. Butler 1908-6-25 103 Siskiyou along creek near Yreka; near Yreka Comment
  CAS-BOT-BC389533  Silene menziesii David D. Keck 1938-8-7 4853 Siskiyou Scott Mountain Lodge, 2 mi. E. of Callahan, on E. Fork of Scott River at junction with Mill Creek 1000 Comment
  RSA59810  Sisymbrium altissimum E. K. Balls 1950-5-17 14723 Siskiyou New Lava Flow, along road from Schonchin Butte to Capt. Jack s Stronghold, Lava Beds Nat l Monument. 1463 Comment
  CHSC70188  Sisyrinchium idahoense Jennifer Whipple 1976-7-24 1563 Siskiyou Southwest of Dobkins Lake along the drainage into the lake. 2255 Comment
  UC1037372  Smilacina racemosa Douglas Barbe 1955-7-6 136 Siskiyou Taylor Lake Klamath Mountains, Salmon Mountains (along ne shore) 1950 Comment
  SEINET3992500  Smilacina stellata J. M. Tucker 1963-7-5 3702 Siskiyou Blake's Fork of South Russian Creek (a tributary of the Salmon River), ca. 7 air miles E. of Sawyer's Bar, Salmon Mounatains 1615 Comment
  RSA428795  Solanum umbelliferum Louis C. Wheeler 1934-7-3 428795 Siskiyou Head of Soda Creek. Sterling Mt. 1768 Comment
  UC1409253  Solanum umbelliferum Frederick W. Oettinger 1969-8-12 1347 Siskiyou along trail above Willow Springs (between English Lake and Abbotts, Marble Mountain Wilderness Area, High Lake Basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  RSA211244  Solanum umbelliferum W. J. Ferlatte 1967-7-9 680 Siskiyou Kidd Creek Trail 1768 Comment
  SEINET516275  Solidago californica Vernon H. Oswald 1997-7-28 8791 Siskiyou SE of Medicine Lake at Paynes Springs. 1981 Comment
  POM259775  Solidago canadensis subsp. elongata W. Bridge Cooke 1938-8-19 11510 Siskiyou Near the overflow creek from the Mount Shasta City Reservoir. 1220 Comment
  POM52743  Solidago canadensis subsp. elongata Geo D. Butler 1858 Siskiyou Oro Fino Comment
  CAS-BOT-BC365551  Solidago elongata K. T. Stillman 1976-9-9 487 Siskiyou Marble Mountain Wilderness Area. Trail from jump off to Paradise Lake 1950 Comment
  LA203958  Solidago elongata Wm. Bridge Cooke; 1939-7-7 13596 Siskiyou Mount Shasta, Along the road between Bear Springs and Wagon Camp 1676 Comment
  UC1408918  Solidago elongata Frederick W. Oettinger 1968-8-12 494 Siskiyou high lake basins in the vicinity English Peak (Marble Mountain Wilderness Area, Western Siskyou County); Salmon Mountains, Marble Mountain Wilderness Area, Tobacco L 1889 Comment
  UC36240  Solidago elongata State Survey 1426 Siskiyou Probably on Mt. Shasta Comment
  UC36249  Solidago elongata Edward L. Greene 1876-8-8 971 Siskiyou near Yreka Comment
  CAS-BOT-BC365245  Solidago velutina subsp. californica Grant 1902-9-14 5205 Siskiyou Dunsmuir Comment
  OBI55540  Solidago velutina subsp. californica David J. Keil, Kathleen Keil 1992-7-24 23566 Siskiyou E of McCloud along hwy 89, 22.6 mi W of Shasta County line Comment
  JEPS95096  Sorbus californica Vernon Oswald and Lowell Ahart 1997-7-28 8794 Siskiyou s.e. Medicine Lake (at Paynes Springs, on walls of Paynes Creek Canyon n. of the campground); Paynes Springs 1981 Comment
  RSA142661  Sorbus californica Al Hobart 1961-7-13 3 Siskiyou Mt. Preston. 1829 Comment
  UC1409378  Sorbus californica Frederick W. Oettinger 1968-9-8 789 Siskiyou outlet of English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1798 Comment
  RSA597967  Sorbus californica Louis C. Wheeler 1963-8-31 8319 Siskiyou Siskiyou Mountains. Devil's Punch Bowl. 1479 Comment
  HSC18908  Sorbus sitchensis var. sitchensis J. O. Sawyer 1968-7-22 530 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  CAS-BOT-BC390721  Spergularia rubra Gilbert Muth 1966-7-14 391 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mts. 1828 Comment
  RSA30424  Spiraea densiflora var. splendens A. A. Heller 1916-7-22 12484 Siskiyou E side of Mt Eddy. 1677 Comment
  CAS-BOT-BC149686  Spiraea douglasii Geo. D. Butler 1910-7-9 1708 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC149694  Spiraea douglasii Alice Eastwood 1912-7-15 1112 Siskiyou [Mc Cloud] McCloud Comment
  HSC29386  Spiraea douglasii Frederick W. Oettinger, R. F. Thorne 1969-8-5 1213 Siskiyou Marble Mtn. Wilderness Area, Young's Cabin on English Lake trail towards Abbotts 1463 Comment
  LA208255  Spiraea douglasii Steve Morgan; 1987-7-28 Siskiyou Mount Shasta, Shasta Trinity National Forest, McGinnis Springs, 5 mi. NW of McCloud 1767 Comment
  SJSU10509  Spiraea douglasii C. L. Kline 1965-7-14 206 Siskiyou 10 mi E of McCloud on Hwy 89 1280 Comment
  UC13093  Spiraea douglasii C. B. Bradley Jun 1879 Siskiyou Comment
  POM168196  Spiranthes romanzoffiana E. B. Copeland 1903-8-17 3927 Siskiyou Dietz Spur. 1159 Comment
  JEPS63047  Stachys ajugoides var. rigida Geo. D. Butler 1908-7-7 173 Siskiyou Butler's Ranch Yreka Comment
  CHSC106272  Stachys pilosa Lowell Ahart; John Dittes 2010-7-30 16948 Siskiyou In shallow water or on wet soil, on the south edge of the Shasta River, about 80 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  HSC63577  Stachys rigida J. P. Smith, Steve Selva 1970-7-27 4503 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  HSC76687  Stachys rigida K. T. Stillman 1976-7-30 320 Siskiyou Marble Mtn. Wilderness Area, ridge N of Black Mtn. into Elk Valley by way of Boulder Field, SE corner of valley 1768 Comment
  RSA183648  Stachys rigida subsp. quercetorum Gilbert Muth 1965-8-16 221 Siskiyou On trail behind Blk. Mt., Marble Mts. Comment
  RSA12488  Stachys rigida subsp. rivularis Carl B. Wolf 1934-7-4 5949 Siskiyou 6 8/10 miles from Dry Lake Lookout on road to Horse Creek. Siskiyou Mountains. 1829 Comment
  JEPS9638 Image available Staphylea bolanderi L. E. Smith 1912-1 Siskiyou Dunsmuir Comment
  CAS-BOT-BC391217  Stellaria longipes subsp. longipes Wm. Bridge Cooke 1937-8-6 9184 Siskiyou Mount Shasta. Bear Springs Comment
  UC166145  Stellaria nitens Geo. D. Butler 1909-3-16 581 Siskiyou near Yreka Comment
  RSA377577  Stenanthium occidentale M. B. Dunkle 1945-7-24 9250 Siskiyou Klamath National Forest, Marble Mountains; Dads Pocket Comment
  HSC24115  Stephanomeria lactucina J. O. Sawyer 1969-9-11 1796 Siskiyou 1738 Comment
  POM56351  Stephanomeria lactucina Copeland 1903-8-15 3838 Siskiyou Sisson. Comment
  UC618702  Stephanomeria paniculata unknown 1938-7-22 11316 Siskiyou Sisson Southern Trail Mount Shasta 1219 Comment
  HSC67808  Stipa occidentalis var. californica J. O. Sawyer, J. Cole 1980-7-22 3948 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  HSC19243  Stipa occidentalis var. occidentalis J. O. Sawyer 1969-7-25 1552 Siskiyou S of High Lake 2210 Comment
  HSC71172  Streptanthus barbatus Thomas W. Nelson, Jane P. Nelson 1978-7-24 4494 Siskiyou Siskiyou-Trinity Co. line, along road to Carmen Lake, 100 m from junction with Hwy. 3 1585 Comment
  POM266038  Streptanthus tortuosus Lincoln Constance, Reed C. Rollins 1942-5-13 2901 Siskiyou Klamath River near Clear Creek, 8 miles S of Happy Camp. 305 Comment
  UC455750  Streptanthus tortuosus unknown Siskiyou near Shasta Retreat (summit); Mt. Bradley 1981 Comment
  RSA68948  Streptopus amplexifolius A. E. Culbertson 1943-7-1 10 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
  UC796666  Streptopus amplexifolius var. americanus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11749 Siskiyou w of Callahan (French Creek Logging Road) 1066 Comment
  CAS-BOT-BC48105  Suksdorfia ranunculifolia Ira L. Wiggins 1955-7-27 13546 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC60776  Suksdorfia ranunculifolia Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  JEPS25841  Swertia albicaulis var. nitida Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7456 Siskiyou about 13 air mi nw Happy Camp (on jeep-road along Del Norte-Siskiyou co. boundary (ridge top) dividing Indian Ck drainage from that of Illinois Riv--leading to Twin Valley) 1584 Comment
  UC166205  Swertia albicaulis var. nitida Geo. D. Butler 1910-6-2 1451 Siskiyou near Yreka Comment
  UC1565731  Swertia perennis W. J. Ferlatte 1980-9-1 2033 Siskiyou ca 0.5 mi n China Mountain (n 70 degrees e of Crater Lake) 2316 Comment
  CAS-BOT-BC269611  Symphoricarpos albus var. laevigatus William A. Dayton 1913-9-14 586 Siskiyou Shasta National Forest. E. Fk of Scott River Range along Rail Creek 1341 Comment
  JEPS87630  Symphoricarpos albus var. laevigatus Vernon H. Oswald and Lowell Ahart 1994-8-10 6460 Siskiyou ca. 4 mi. (air) n.-n.e. Bartle (FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi. w. of Harris Spring Rd. (FS15)) 1359 Comment
  RSA1889  Symphoricarpos albus var. laevigatus C. B. Wolf 1930-10-22 1010 Siskiyou 1 mile W of Mt Shasta City. 1067 Comment
  CAS-BOT-BC269615  Symphoricarpos albus var. laevigatus A. A. Heller 1905-6-13 8022 Siskiyou Along the railroad a short distance above Shasta Springs Comment
  SFV5181  Symphoricarpos mollis B. C. Templeton 1960-6-21 8559 Siskiyou Klamath Mountains Near the top of Scott Mountain. On mountain slopes. 1645 Comment
  UC164440  Symphoricarpos mollis Geo. D. Butler 1910-8-7 1818 Siskiyou Humbug Mountain 1219 Comment
  HSC4015  Symphoricarpos rotundifolius var. rotundifolius D. M. Thomson 1965-8-14 194 Siskiyou Lava Beds National Monument, 1 mi. S of Mammoth Crater on Tichner Rd. Comment
  CAS-BOT-BC97876  Symphyotrichum eatonii Doris K. Kildale 1925-9-6 1278 Siskiyou Somes Bar, at junction of Salmon & Klamath River 274 Comment
  UC1282018  Symphyotrichum spathulatum Louise Kellogg Aug 8 1953-Aug 9 1953 117 Siskiyou Scott Mountain Public Campground Scott Mountains, Klamath National Forest 1630 Comment
  HSC62620  Symphyotrichum spathulatum var. spathulatum Ruby Van Deventer 1960-7-14 Siskiyou Youngs Valley Comment
  HSC92597  Symphyotrichum spathulatum var. spathulatum Jennifer Whipple 1976-7-24 1571 Siskiyou Durney Creek below Durney Lake 2104 Comment
  SEINET10861043  Taeniatherum caput-medusae Edwin B. Copel 1903-7-5 Copeland 3493 Siskiyou North slope of Round Mountain Comment
  CDA7682  Taraxacum officinale G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2611 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  HSC29101  Taraxacum officinale Frederick W. Oettinger 1969-7-13 1010 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: S of Upper English Lake 1799 Comment
  CAS-BOT-BC81347  Taxus brevifolia A. Eastwood 1912-8-28 s.n. Siskiyou Cantara Comment
  RSA605357  Taxus brevifolia L. C. Wheeler 1959-7-25 7596 a Siskiyou Marble Mountains: Camp Three, Rogers Creek Comment
  UC1408864  Tellima grandiflora Frederick W. Oettinger 1969-7-16 1036 Siskiyou s of Abbott's Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  HSC6276  Tetradymia canescens R. C. Wunner 1965-7-9 352 Siskiyou California Lava Beds National Monument; 0.4 mi. along Hardin Butte Trail 1341 Comment
  UC163881  Tetradymia canescens Geo. D. Butler 1909-6-27 955 Siskiyou Shasta Rim hills Shasta Rim Comment
  JEPS128490  Thelypteris nevadensis Dana York 2013-6-14 3170 Siskiyou Klamath National Forest, Siskiyou Wilderness, ca. 825 km N of Rasberry Lake just W of main trail. Comment
  HSC73350  Thermopsis macrophylla Gail Newton 1980-6-20 441 Siskiyou Near Bald Mtn. 1097 Comment
  SEINET12156919  Thermopsis macrophylla J. P. Tracy 1950-1 19213 Siskiyou 5 mi SE of Flint Valley along the road to Prospect Hill Comment
  CHSC71569  Thlaspi montanum var. montanum Vernon H. Oswald; Lowell Ahart 1998-8-3 9426 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  UC1483564  Thlaspi montanum var. montanum Maralyn A. Renner 1980-6-26 1153 Siskiyou Flint Valley , Dillon Mtn. Quad., Flint Valley (Klamath National Forest) 1389 Comment
  CHSC4160  Toxicoscordion venenosum var. venenosum R. Carter 1966-5-15 404 Siskiyou Location: 1.7 mi. SE Callahan, 1.1 mi. S intersection Callahan-Gazella Rd. and Old Oregon State Rd. 1310 Comment
  CHSC91234  Tribulus terrestris Lowell Ahart; John Dittes 2005-6-10 12076 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
  RSA460865  Trientalis latifolia Edwin Kline 1920-6-24 14844 Siskiyou Siskiyou Mts. Comment
  RSA119376  Trifolium breweri S. S. Tillett 1956-7-11 695 Siskiyou just N of campground, Scott Mtn divide, Siskiyou - Trinity County line, 8 mile SE of Callahan. 1631 Comment
  UCD107928  Trifolium eriocephalum subsp. eriocephalum A. H. Murphy 1958-8-7 58 -M Siskiyou Klamath National Forest. Deep Lake, Marble Mts. 1889 Comment
  HSC69012  Trifolium longipes Maralyn A. Renner 1980-7-24 2031 Siskiyou Lily Pad Lake 1768 Comment
  HSC18999  Trifolium longipes J. O. Sawyer 1969-7-11 1343 Siskiyou Along trail to Sugar Lake 1707 Comment
  JEPS125882  Trifolium longipes subsp. elmeri Dean W. Taylor 1996-7-26 15841 Siskiyou Klamath National Forest; Scott Mountains, Crater Lake, in cirque above upper lake, about 10 air miles W of Weed. Comment
  UC1045267  Trifolium longipes subsp. elmeri W. B. Cooke 1940-6-6 15037 Siskiyou Near Castle Lake Road. 1524 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
  HSC71548  Trifolium pratense J. P. Smith, Steve Selva 1970-6-16 4039 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  RSA145170  Trifolium productum Dorothy Parker 1959-7-5 734 Siskiyou Salmon Mountain 1677 Comment
  UCD109298  Trifolium productum Herbert L. Mason 1948-7-17 13601 Siskiyou Eastern Grass Lake. Comment
  JEPS48904  Trifolium wormskioldii Geo. D. Butler 1908-7-2 381 Siskiyou near Yreka (Butler's Ranch) Comment
  UC144272  Trifolium wormskioldii A. A. Heller 1905-6-22 8094 Siskiyou betw Igerna and Weed Comment
  JEPS95247  Triglochin concinna Steve Edwards 1996-7-14 Siskiyou Road A12, 6.2 mi W of Big Springs Road, or 0.7 mi E of RR tracks in Granada Shasta Valley Comment
  CHSC86651  Triglochin concinna var. debilis Jenny Marr 1993-7-1 34 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 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
  CAS-BOT-BC133471  Trillium ovatum Philip A. Munz 1952-7-2 17889 Siskiyou Road to Baldy Mt. northwest of Happy Camp, Siskiyou Mts. 1524 Comment
  HSC19419  Trillium ovatum subsp. oettingeri J. O. Sawyer 1968-7-10 482 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC66232  Trillium ovatum subsp. oettingeri Maralyn A. Renner 1980-7-16 1782 Siskiyou Hancock Lake inlet 1951 Comment
  UC1713746  Trillium ovatum subsp. oettingeri Maralyn A. Renner 1980-7-16 1782 Siskiyou Klamath Nat'l forest, Sawyers Bar Quad., Hancock Lake inlet 1950 Comment
  SEINET10840406  Triodanis perfoliata Rattan RATTAN 1879 Siskiyou KLAMATH 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
  HSC18998  Trisetum spicatum J. O. Sawyer 1969-7-9 1249 Siskiyou W facing slope above Bingham Lake 2317 Comment
  HSC76721  Trisetum spicatum K. T. Stillman 1976-8-7 388 Siskiyou Marble Mountain Wilderness Area, trail from Black Mtn. camp to Jump off Comment
  JEPS89301  Trisetum spicatum Gilbert Muth 1966-8-3 492 Siskiyou Marble Valley; Marble Mountain Wilderness Area 1792 Comment
  RSA233685  Trisetum spicatum R. F. Thorne, Frederick W. Oettinger 1969-8-10 38957 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  CAS-BOT-BC133488  Triteleia crocea L. E. Smith 1914-5-21 702 Siskiyou Yreka Comment
  CAS-BOT-BC133489  Triteleia crocea A. M. Vollmer; L. Beane 1951-6-2 51 Siskiyou Road between Streamline Lodge & Deer Camp, n. of Klamath River Highway Comment
  UC765405  Triteleia crocea var. modesta W. Bridge Cooke 1940-6-6 15076 Siskiyou in moist places along Castle Lake road Comment
  HSC91995  Triteleia hyacinthina Jennifer Whipple 1976-7-13 1454 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River 2256 Comment
  CAS-BOT-BC524315  Triteleia ixioides subsp. anilina W. B. C. 1938-7-15 11238 Siskiyou Wagon Camp Comment
  CHSC27347  Tsuga mertensiana T. B. Devine 1976-10-23 365 Siskiyou 1/8 mi ne of Little Duck Lake. 1950 Comment
  HSC91435  Tsuga mertensiana Jennifer Whipple 1976-9-4 1804 Siskiyou Dale Creek drainage on the N face of Mount Eddy. 2195 Comment
  CAS-BOT-BC74098  Turritis glabra Wm. Bridge Cooke; V. G. Cooke 1963-7-12 34336 Siskiyou McBride Springs. 1524 Comment
  CAS-BOT-BC404216  Urtica dioica subsp. holosericea Geo. D. Butler 1910-6-30 1616 Siskiyou Yreka Creek Comment
  UC166120  Vaccaria hispanica Geo. D. Butler 1908-6-20 1060 Siskiyou near Yreka Comment
  HSC91333  Vaccinium cespitosum Jennifer Whipple 1976-6-12 973 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  CAS-BOT-BC199238  Vaccinium membranaceum Doris K. Kildale 1928-8-20 6582 Siskiyou Lily Pad Lake, near Hancock Lookout on trail to Marble Mt. Comment
  CAS-BOT-BC235132  Vaccinium membranaceum Dana York; Jim Shevock 2012-7-20 3115 Siskiyou Siskiyou Mountains. Klamath National Forest, Siskiyou Mountains, 4 km W-SW of Cook and Green Pass, adjacent to Lily Pad Lake 1735 Comment
  HSC18951  Vaccinium membranaceum J. O. Sawyer 1968-9-28 736 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  HSC19363  Vaccinium membranaceum J. O. Sawyer 1968-6-18 232 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  HSC68306  Vaccinium parvifolium Maralyn A. Renner 1980-7-4 1420 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  HSC98191  Vaccinium scoparium J. O. Sawyer 1969-8-5 1786 Siskiyou Along Sugar Creek. 1921 Comment
  HSC30619  Vaccinium uliginosum Frederick W. Oettinger 1969-8-23 1512 Siskiyou Inlet to Smith Lake, Salmon Mountains 1418 Comment
  POM77331  Vaccinium uliginosum subsp. occidentale Edward Palmer 1927-7-13 2456 Siskiyou Mt. Shasta and vicinity. Comment
  UC164333  Valeriana sitchensis subsp. sitchensis Geo. D. Butler 1910-7-7 1655 Siskiyou Shackleford Creek Comment
  RSA715770  Valerianella locusta L. Ahart, John Dittes 2005-6-10 12119 Siskiyou End of Salvadori Road, Nelson Ranch, about 1. 1/4 miles (air) south of Highway 99/97 Cutoff, about 5 1/4 miles (air) east-southeast of Grenada. 785 Comment
  RSA438027  Vancouveria hexandra Edwin Kline 1920-6-24 s.n. Siskiyou Siskiyou Mts. Comment
  HSC100307  Ventenata dubia J. P. Smith, & J. O. Sawyer 2011-6-25 13281 Siskiyou At the junction of Hwy. 3 and Forest Service Rd. 17. 1001 Comment
  SEINET6221076  Verbascum blattaria A. D. Youngberg 1964-1 21 Siskiyou Happy Camp Airport. R7E T16N sec 10, Humbolt Meridian. Comment
  JEPS16838  Veronica americana W. L. Jepson July, 1894 21321 Siskiyou Sisson Comment
  CHSC63612  Veronica scutellata Vernon H. Oswald; Lowell Ahart 1994-8-10 6462 Siskiyou FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi W of Harris Spring Rd. (FS15), ca. 4 mi (air) NNE of Bartle. 1359 Comment
  RSA238792  Veronica serpyllifolia var. humifusa Frederick W. Oettinger 1969-7-29 1103 Siskiyou Shore of Uncle's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  SBBG7229  Veronica wormskjoldii H. and M. Dearing 1938-6-29 2192 Siskiyou Wagon Camp, Mt Shasta 1828 Comment
  HSC4803  Veronica wormskjoldii William J. Ferlatte 1966-6-5 488 Siskiyou Big Flat, between campground and S Fork of Salmon River 1524 Comment
  POM253732  Vicia americana var. americana C. Leo Hitchcock, J. S. Martin, A. S. Hitchcock 1939-7-6 5208 Siskiyou on Takilma-Happy Camp Road 1677 Comment
  UC140877  Viola adunca Copeland 1903-8-14 3721 Siskiyou Sisson; Pacific Coast Comment
  UC1584295  Viola adunca J. Kierstead 1990-5-12 90 -77 Siskiyou 1.5 mi n of South Fork Sacramento River (Mount Shasta R. D.); Fawn Creek Meadow 1828 Comment
  RSA45342  Viola adunca Dorothy Parker 1945-6-18 94 Siskiyou Along Bear