Search Results — 2000 specimen records retrieved (1378 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78122  Abies X shastensis W. R. Dudley 1899-8-1 s.n. Siskiyou top of Black Butte, w. of Mt. Shasta Comment
  HSC31519  Abies X shastensis Steve Selva, Roger Jensen 1974-8-26 57 Siskiyou E side of Little Duck Lake Comment
  CAS-BOT-BC77939  Abies amabilis Gilbert J. Muth 1969-8-5 1274 Siskiyou Ridge above Deep Lake 2194 Comment
  RSA624394  Abies concolor L. C. Wheeler 1952-9-17 6938 Siskiyou Unspecified. Comment
  RSA6533  Abies concolor Elmer I. Applegate 1895-5-30 s.n. Siskiyou East lake of Mt. Shasta, near Sissen. Comment
  SBBG133153  Abies concolor B. C. Templeton 1968-6-13 11331 Siskiyou Mt Shasta, on rd to ski bowl 2835 Comment
  RSA572074  Abies magnifica L. C. Wheeler 1934-8-10 3101 Siskiyou Siskiyou Mountains, Dead Cow Creek. 1890 Comment
  SEINET5432355 Image available Abies magnifica Ross C. Clark, Bob Harvey; Chris Harvey 23915 Siskiyou Mt. Shasta. Comment
  UC401385  Abies magnifica var. magnifica Annie M. Alexander and L. Kellogg 1911-6-20 160 Siskiyou Jackson L. Jackson Lake 1798 Comment
  CAS-BOT-BC330617  Acer circinatum A. A. Heller 1905-6-1 7923 Siskiyou Between Dunsmuir and Upper Soda Spring. Comment
  CAS-BOT-BC331015  Acer glabrum var. glabrum Doris K. Kildale 1928-7-2 5339 Siskiyou Salmon Summit via Horn Creek trail 1981 Comment
  CAS-BOT-BC331019  Acer glabrum var. glabrum Annie M. Alexander; Louise Kellogg 1948-9-8 5599 Siskiyou Top of grade between Sawyers Bar and Etna 1737 Comment
  UC1408873  Acer glabrum var. glabrum Frederick W. Oettinger and R. F. Thorne 1969-8-5 1206 Siskiyou along trail bet Abbotts Upper Cabin and English Lake (Willow Springs, High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Marble Mountain Wilderness Area, Salmon Mountains 1676 Comment
  HSC27951  Acer macrophyllum Carl W. Mize 1972-9-23 114 Siskiyou 0.5 mi. from end of Steinacher Creek Rd. 884 Comment
  CAS-BOT-BC18872  Achillea millefolium I. L. Wiggins 1955-7-27 13519 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  UC415462  Achillea millefolium A. A. Heller 1905-6-19 8067 Siskiyou Grenada Comment
  UCR37814  Achillea millefolium K. T. Stillman 1976-7-15 251 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  CAS-BOT-BC30432  Achillea millefolium Gilbert J. Muth 1965-7-29 s.n. Siskiyou On top of Marble Mountain Lookout Comment
  CDA24385  Achlys triphylla T. C. Fuller 1958-6-18 1818 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  HSC29268  Achlys triphylla Frederick W. Oettinger 1969-9-4 1669 Siskiyou Marble Mtn. Wilderness Area, near gap between Tom's Lake Basin and Tobacco Lake Basin 1829 Comment
  UCD50984  Achnatherum occidentale H. S. Yates 1936-6-21 5827 Siskiyou N base of Wintoon Butte. 1219 Comment
  UC618872  Achnatherum occidentale subsp. californicum W. B. Cooke 1938-7-15 11168 Siskiyou Bear Springs Mount Shasta 1524 Comment
  JEPS94631  Achnatherum thurberianum Vernon H. Oswald 1998-6-11 9192 Siskiyou on w side of Hwy 97 2.2 mi ne Lake Shastina-Big Springs Rd. (ne of Weed); Shasta NF plantation 1066 Comment
  UCD51434  Achnatherum thurberianum Verne Grant; Irving Schneider 1947-8-26 8298 Siskiyou Lava Beds National Monument. Comment
  UCD103800  Acmispon americanus var. americanus A. A. Heller 1914-8-25 11701 Siskiyou Deetz Station near Black Butte. 1158 Comment
  SBBG71819  Aconitum columbianum A. A. Heller 1927-8-1 14433 Siskiyou State Teachers College, near Shasta City (Sisson) 1074 Comment
  UC1408852  Aconitum columbianum Frederick W. Oettinger 1968-8-7 433 Siskiyou s.e. end Hancock Lake; Salmon Mts., High Lake Basins, English Peak Vicnity, Marble 1935 Comment
  CAS-BOT-BC391505  Aconitum columbianum subsp. columbianum E. B. Copeland 1903-8-13 3890 Siskiyou Sisson Comment
  HSC22297  Aconitum columbianum subsp. columbianum J. O. Sawyer 1969-8-5 1734 Siskiyou W of Little Duck Lake 2073 Comment
  JEPS123409  Aconitum columbianum subsp. viviparum Julie Kierstead Nelson with Robin Fallscheer 2015-8-13 2015 -134 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. Comment
  CAS-BOT-BC412615  Aconogonon alaskanum John Thomas Howell 1939-8-3 14976 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC98375  Aconogonon davisiae J. O. Sawyer 1968-7-22 555 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  UCD98564  Aconogonon newberryi J. M Tucker 1950-7-23 1940 Siskiyou Panther Meadows, Mt. Shasta. 2407 Comment
  UCD77303  Actaea rubra Robert E. Preston 2001-7-20 1692 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W se 1/4 of ne 1/4 Section 14 1743 Comment
  RSA184771  Actaea rubra subsp. arguta Gilbert Muth 1966-7-17 39 Siskiyou Trail to lookout, Marble Mtns. Comment
  HSC98137  Adenocaulon bicolor J. O. Sawyer 1969-8-5 1963 Siskiyou Alluvial terrace along South Sugar Creek 1692 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
  JEPS94713  Adiantum aleuticum Vernon H. Oswald and Lowell Ahart 1998-8-3 9452 Siskiyou e of Kangaroo Lake (e end of Rock Fence Lake Road (USFS 41N18) in the Scott Mountains, along edges of Rock Fence Creek); Scott Mountains, Rock Fence Creek 1920 Comment
  UC401267  Adiantum aleuticum unknown Siskiyou Mt Shasta Comment
  CAS-BOT-BC68955  Adiantum aleuticum A. A. Heller 1915-8-26 12235 Siskiyou Mt. Eddy in open swampy places in the forest. 1828 Comment
  RSA0003895  Agastache parvifolia Alice Eastwood, J. T. Howell 1940-6-14 8266 Siskiyou Lava Beds National Mon. near Schonchin Butte Comment
  POM252837  Agastache urticifolia A. A. Heller 1938-7-13 15263 Siskiyou Among lava rocks at Bray. Comment
  UC163886  Agoseris X dasycarpa Geo. D. Butler 1910-6-19 1589 Siskiyou Goosenest, foothills of Goosenest 1524 Comment
  CAS-BOT-BC15483  Agoseris X dasycarpa Alice Eastwood 1921-7-28 10875 Siskiyou Medicine Lake Comment
  HSC22431  Agoseris aurantiaca J. O. Sawyer 1969-7-18 1432 Siskiyou SW facing slope above Deacon Lee Trail 2195 Comment
  HSC67943  Agoseris heterophylla J. P. Smith 1973-5-5 6431 Siskiyou Along Cook and Green Pass Rd. Comment
  CDA9940  Agoseris heterophylla G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2632 Siskiyou 16 km south of Fort Jones on Scott Valley East Side Road. Comment
  JEPS23680  Agoseris heterophylla var. heterophylla W. L. Jepson 1894-1 Siskiyou Sisson Comment
  UC61074  Agoseris retrorsa W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson; Mount Shasta Comment
  POM208353  Agoseris retrorsa L. C. Wheeler 1934-6-11 2686 Siskiyou North Hungry Creek , Siskiyou Mtns. (Mt Diablo Mer) 1311 Comment
  RSA238757  Agoseris retrorsa Frederick W. Oettinger 1969-7-11 985 Siskiyou Near summit of 'Little Medicine Mountain' (north of Hancock Lake). Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  CAS-BOT-BC126992  Agrostis exarata Melissa A. Berry 1957-7-8 s.n. Siskiyou South Russian Creek at Power House. 822 Comment
  HSC76679  Agrostis exarata K. T. Stillman 1976-7-30 329 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  UCD52125  Agrostis exarata Beecher Crampton 1956-8-21 3838 Siskiyou lower slopes of White Ridge, canyon of the South Fork of the Sacramento River. Comment
  RSA238359  Agrostis humilis Frederick W. Oettinger 1969-8-19 1457 Siskiyou Abbott's Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  RSA238995  Agrostis humilis Frederick W. Oettinger 1968-9-7 757 Siskiyou West shore of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  HSC30549  Agrostis pallens Frederick W. Oettinger 1969-8-22 1488 Siskiyou Marble Mtn. Wilderness Area, lower meadow at margin of woods, Horse Range Lake, Salmon Mountains 1768 Comment
  RSA603997  Agrostis pallens L. C. Wheeler 1934-8-14 3144 Siskiyou White Mountain: East end. 1767 Comment
  UC1265314  Agrostis pallens F. W. Oettinger and R. F. Thorne 1969-8-6 1230 Siskiyou face of steep cliff s Pine Lake; Salmon Mountains 1920 Comment
  SEINET7594122 Image available Agrostis pallens Frederick W. Oettinger 1969-1 1411 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area, northeast of Wiregrass Meadows near English Lake Basin 1676 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
  HSC710  Agrostis scabra William J. Ferlatte 1967-8-19 1039 Siskiyou S Fork of Salmon River, between campground and Carter's 1524 Comment
  RSA126057  Agrostis scabra I. L. Wiggins 1955-7-22 13448 Siskiyou South Fork of Salmon River, 9.5 miles above Cecilville. 1067 Comment
  RSA115691  Agrostis stolonifera Beecher Crampton 1956-8-20 3799 Siskiyou Ditch along US Hwy. 99, 1/2 mile south of Dunsmuir Comment
  RSA238341  Agrostis stolonifera Frederick W. Oettinger 1969-8-24 1523 Siskiyou Near inlet to Upper English lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  UCD53445  Agrostis stolonifera Beecher Crampton 1956-8-21 3802 Siskiyou slopes of Gumboot Lake, headwater of the south fork of the Sacramento River, 15-16 miles southwest of Mt. Shasta City. Comment
  HSC30450  Agrostis thurberiana Frederick W. Oettinger, R. F. Thorne 1969-8-6 1243 Siskiyou Marble Mtn. Wilderness Area, Pine Lake 1883 Comment
  HSC65376  Aira caryophyllea J. P. Smith 1973-5-5 6550 Siskiyou Scott Bar along Scott River Comment
Read comments
Jan 31 2012
  UCD55716  Aira caryophyllea A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3615 Siskiyou 11 miles north of Happy Camp, road to Grants Pass, banks of Indian Creek. Comment
  UC201705  Alisma plantago-aquatica Geo. D. Butler 1910-8-21 1854 Siskiyou Shasta River Comment
  HSC66101  Alisma triviale J. P. Smith, Steve Selva 1970-8-8 4546 Siskiyou Juanita Lake Comment
  JEPS84246  Allium L. R. Heckard with J. Hickman et al. 1986-7-17 6463 Siskiyou ca. 5 mi n Town of Seiad Valley (trail up Kangaroo Peak, ridge e of peak, s of Lily Pad Lake); Kangaroo Peak 1900 Comment
  UC375198  Allium acuminatum Geo. D. Butler 1910-5-17 1357 Siskiyou Yreka hills Comment
  POM109874  Allium acuminatum Geo D. Butler s.n. Siskiyou Yreka. Comment
  CAS-BOT-BC462991  Allium bolanderi John Thomas Howell 1980-5-20 53560 Siskiyou Lightning Grade Road between Oro Fino and Fort Jones 868 Comment
  SEINET12048082  Allium bolanderi Unknown 1950-1 52 Siskiyou 2.5 mi W of Hilt Comment
  JEPS47600  Allium falcifolium W. L. Jepson 1902-7-17 2069 Siskiyou Devil's Backbone, on boundary between Humboldt and Trinity County Devil's Backbone 1828 Comment
  CAS-BOT-BC469235  Allium falcifolium A. A. Heller 1916-7-22 12491 Siskiyou East side of Mt. Eddy Comment
  CAS-BOT-BC469239  Allium falcifolium H. C. Cantelow 1936-5-21 s.n. Siskiyou About 2 miles up Scott Mt. grade out Callahan Comment
  CAS-BOT-BC469247  Allium falcifolium Antone J. Soares 1922-6-1 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC469250  Allium falcifolium Ira L. Wiggins 1950-5-28 12384 Siskiyou Ridge just above Grouse Lake (head waters of Grouse Creek) 1737 Comment
  SEINET3884481  Allium falcifolium D. W. McNeal 1981-5-14 2522 Siskiyou Along a low rd. bank beside Masterson Rd., 0.4 mi. s. of the Gazelle-Callahan Rd., 19.0 mi. w. of Gazelle.; 0 Comment
  CAS-BOT-BC474037  Allium parvum M. S. Taylor; J. Prouty 1980-6-25 2963 Siskiyou Grizzly Peak and western ridge. 5 mi due e of Lake McCloud 1889 Comment
  CAS-BOT-BC474038  Allium parvum Elmer I. Applegate 1925-4-26 4238 Siskiyou Ridge between Tule Lake and Lower Klamath Marsh. Comment
  CAS-BOT-BC132143  Allium siskiyouense Philip A. Munz 1952-7-2 17898 Siskiyou Baldy Mountain about 6 air-line miles west of Happy Camp, Siskiyou Mts. 1737 Comment
  CAS-BOT-BC516177  Allium siskiyouense Dana York 2011-8-13 3068 Siskiyou Marble Mountain Wilderness: Klamath National Forest, 230 m WSW of Black Marble Mountain 2220 Comment
  HSC69699  Allium siskiyouense Maralyn A. Renner 1980-6-26 1267 Siskiyou Ridge along F.S. rd. 15N01 about 1 mi. N of Flint Valley 1494 Comment
  JEPS82242  Allium siskiyouense Roger Raiche 1983-8-14 30611 Siskiyou near summit of road to Mt. Eddy or Dead Fall Meadow (Park Creek Road of forest road 42N17) 2133 Comment
  UC1222815  Allium siskiyouense Joseph P. Tracy 1951-6-16 19491 Siskiyou 3 mi s Oregon-California Line (within 200 yards of the stopping place, summit of the Siskiyous at the crossing of the Takilma-Happy Camp Road); Siskiyous Comment
  HSC4965  Alnus incana subsp. tenuifolia J. O. Sawyer 1968-6-25 305 Siskiyou NE of N Horse Range Lake 2012 Comment
  UCD77319  Alnus incana subsp. tenuifolia Robert E. Preston 2002-6-20 1863 Siskiyou Klamath National Forest, Rainbow Mountain, north slope 1910 Comment
  HSC36721  Alnus rhombifolia Brent Whitely 1975-7-5 140 Siskiyou 213 Comment
  CAS-BOT-BC171245  Alnus viridis subsp. crispa John Thomas Howell 1939-8-3 14956 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC4967  Alnus viridis subsp. sinuata J. O. Sawyer 1968-7-10 489 Siskiyou Lower slopes grading to terrace of a temporary stream. 1768 Comment
  LA204106  Alnus viridis subsp. sinuata Wm. Bridge Cooke; 1939-8-10 13862 Siskiyou Mount Shasta, around the springs on the walls of Mud Creek Canyon 2133 Comment
  UC1313037  Alnus viridis subsp. sinuata Sandra L. Holloway 1963-6-2 72 Siskiyou 100 yd from Deep Creek (and 1/4 mi n of Deep Lake); Marble Mountain Comment
  CDA3621  Alyssum alyssoides F. D. Horn 1977-4-2 Siskiyou ca. 5 km south of Weed. 0 Comment
  HSC64811  Alyssum alyssoides J. P. Smith 1974-5-25 7371 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  CDA3619  Alyssum desertorum J. M. DiTomaso 2002-5-17 s.n. Siskiyou 8 miles northeast of Montague. On York Road, 300 meters east of intersection with Mulloy Road. 0 Comment
  CAS-BOT-BC142916  Amelanchier Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou West side of Bumboot Lake, Trinity Mts. 1828 Comment
  HSC48287  Amelanchier alnifolia J. O. Sawyer, K. Stillman 1978-7-6 3299 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  HSC43325  Amelanchier alnifolia var. semiintegrifolia Maralyn O'Meara 1974-5-26 464 Siskiyou Along USFS Rd. 47N03 1524 Comment
  JEPS123517  Amelanchier alnifolia var. semiintegrifolia E. T. Doucette 2013-7-3 13 -147 Siskiyou SkiPark Highway, Pierce Comment
  HSC4954  Amelanchier pallida J. O. Sawyer 1968-9-28 735 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  RSA211464  Amelanchier pallida William J. Ferlatte 1967-6-5 493 Siskiyou Big Flat. 1524 Comment
  CHSC69085  Amelanchier utahensis Vernon Oswald; Lowell Ahart 1997-7-28 8793 Siskiyou Southeast of Medicine Lake at Paynes Springs. Paynes Creek Canyon north of the campground. 1981 Comment
  UC796487  Amelanchier utahensis Roxana S. Ferris and Laura Lorraine 1948-6-12 11844 Siskiyou road between Callahan and Gazelle (Gazelle Mountain grade); Gazelle Mountain 1499 Comment
  UCSB23230  Amelanchier utahensis Keefe, Joseph 1967-7-11 Siskiyou along trail to Little Castle Lake, 1.0 mile southeast of Castle Lake, 10 miles south of city of Mt. Shasta 1828 Comment
  UC174986 Image available Amsinckia intermedia E. B. Copeland 1903-7-2 3552 Siskiyou Klamathon; ; Klamathon, Siskiyou Co. Comment
  UC24604 Image available Amsinckia intermedia T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC45211  Anaphalis margaritacea A. A. Heller 1915-8-26 12247 Siskiyou Wagon Creek at the foot of Mt. Eddy 1127 Comment
  JEPS85080  Anaphalis margaritacea W. B. and V. G. Cooke with Ted Graves 1988-8-29 64234 Siskiyou s side, in Mud Creek drainage Mount Shasta; Shasta-Trinity National Forest, Mount Shasta 1584 Comment
  RSA240049  Anaphalis margaritacea Frederick W. Oettinger 1969-8-9 1314 Siskiyou Near young's Cabin . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA34228  Anaphalis margaritacea C. B. Wolf 1927-8-27 1148 Siskiyou Klamath River, 10 miles above mouth of Salmon Comment
  RSA96846  Anaphalis margaritacea Percy C. Everett, E. K. Balls 1954-10-14 20295 Siskiyou Along Klamath River, 7.6 mi. N of Somesbar, Hwy 96. 244 Comment
  CAS-BOT-BC391810  Anemone deltoidea Ira L. Wiggins 1955-7-29 13577 Siskiyou Summit of ridge above Thompson Creek, trail to Caribou Lake 1999 Comment
  CHSC95118  Anemone deltoidea L. P. Janeway 2006-7-2 8745 Siskiyou Klamath Ranges. Salmon Mountains; un-named creek at the sharp bend in the Music Creek Trailhead Road, 0.6 km south of Music Creek. North-facing slope just above the creek. 1762 Comment
  HSC4932  Anemone deltoidea J. O. Sawyer 1968-9-28 746 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  RSA262470  Anemone deltoidea J. M. Tucker 1974-7-28 4310 Siskiyou Haypress Meadows, Marble Mtn Wilderness Area. 1463 Comment
  UC1409280  Anemone deltoidea Frederick W. Oettinger 1968-8-6 427 Siskiyou se corner Hancock Lake (Salmon Mtns, w Siskiyou Co., vicinity of English Pk); Salmon Mtns, Marble Mtn Wilderness Area 1935 Comment
  CAS-BOT-BC391796  Anemone deltoidea H. M. Hall 1909-7-1 8675 Siskiyou Salmon Mountains. Salmon River 1584 Comment
  UC69625  Anemone deltoidea W. P. Gibbons Jun 1896 Siskiyou <Coleston?>; W. 121 degrees 1249 Comment
  CAS-BOT-BC391851  Anemone drummondii John Thomas Howell 1939-8-2 14873 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC58914  Anemone drummondii Marvin Butler 1971-7-7 56 Siskiyou Near El Capitan, close to the town of Cave Junction 1585 Comment
  CAS-BOT-BC391858  Anemone drummondii W. R. Dudley 1905-8-4 s.n. Siskiyou Foot and slopes of Mt. Eddy Comment
  HSC36954  Anemone lyallii J. P. Smith 1974-5-26 7556 Siskiyou Along FS Rd. 47N03 1524 Comment
  UC1188083  Anemone occidentalis Philip A. Munz 1960-8-22 24184 Siskiyou Mt. Shasta, Panther Meadows 2529 Comment
  UC585140  Anemone occidentalis E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2006 Siskiyou ca. 1 1/2 mi. w. Mt. Shasta City (e. & n.e. of slope of spur of Rainbow Ridge above Sulloway Creek) 1180 Comment
  RSA233705  Anemone occidentalis Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38993 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  UC8953  Anemone oregana Harley P. Chandler Jun 1901 1551 Siskiyou ridges and meadows near Marble Mtn; North Coast Ranges 1828 Comment
  UC637114  Angelica arguta Edward Lee 1934-8-14 1106 Siskiyou near summit of Little Grayback (Siskiyou-Del Norte County line); near summit of Little Grayback 1865 Comment
  CAS-BOT-BC58715  Antennaria geyeri A. A. Heller 1914-8-25 s.n. Siskiyou Deetz Station near Black Butte 1158 Comment
  UCR51806  Antennaria geyeri J. W. Thompson 1936-7-8 13158 Siskiyou Lava Bed National Monument Comment
  JEPS13217  Antennaria howellii subsp. howellii Geo. D. Butler 1909-7-15 954 Siskiyou Highland Mine Comment
  CAS-BOT-BC79902  Antennaria microphylla Hans Leschke 1960-8-10 1758 Siskiyou Badger Flat 1912 Comment
  UC1409468  Antennaria racemosa Frederick W. Oettinger 1969-7-29 1109 Siskiyou nnw of, vicinity of English Peak Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 2011 Comment
  JEPS82437  Antennaria rosea Gilbert Muth 1966-7-25 451 Siskiyou Marble Mt. Lookout; Marble Mt. Wilderness Area, Marble Mt. Lookout 2097 Comment
  UC1409466  Antennaria rosea Frederick W. Oettinger 1968-8-14 516 Siskiyou Bear Meadow, midway between Tom Taylor Cabin and English Peak Lookout Salmon Mountains, English Peak, Marble Mountain Wilderness A 2004 Comment
  HSC22  Antennaria rosea subsp. rosea William J. Ferlatte 1966-6-22 80 Siskiyou Josephine Lake Basin 1677 Comment
  HSC45048  Antennaria rosea subsp. rosea J. O. Sawyer 1978-6-19 3256 Siskiyou Marble Mountain Wilderness Area; along trail in Bug Gulch 1524 Comment
  CAS-BOT-BC102275  Anthemis cotula A. A. Heller 1916-7-20 12460 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy Comment
  RSA105409  Anthemis cotula G. D. Barbe 1955-7-1 084 Siskiyou 6 mi. south of Etna at junction of the Westside Rd. and the east-west road crossing Scott Valley. 884 Comment
  POM43386  Antirrhinum vexillocalyculatum subsp. breweri Geo. D. Butler 1908-8-30 2 Siskiyou Fort Jones. Comment
  JEPS74501  Apocynum androsaemifolium W. J. Ferlatte 1966-8-18 408 Siskiyou 3 mi. s. Big Flat; Trinity Alps 1584 Comment
  CAS-BOT-BC397940  Aquilegia formosa Doris K. Kildale 1929-7-20 8730 Siskiyou Raspberry Lake, upper S Fork of Indian Creek 1828 Comment
  CAS-BOT-BC397944  Aquilegia formosa Alice Eastwood 1921-7-24 10792 Siskiyou Castle Lake Comment
  POM366964  Aquilegia formosa var. truncata Edwin Kline 1920-6-24 s.n. Siskiyou Siskiyou Mts. Comment
  RSA68874  Aquilegia formosa var. truncata A. E. Culbertson 1943-7-1 82 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600 eastern spur of Trinity Mts.; 2000' above Sacramento. within 10 air miles of its headwaters to the west. Comment
  HSC40223  Arabidopsis thaliana J. P. Smith 1976-5-22 8789 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  UC1299659  Arabis Freed W. Hoffman 1951-7-15 4056 Siskiyou on w side Kelsey Creek (w Siskiyou County); Marble Mountains, Hammond Camp 1524 Comment
  RSA0125743  Arabis breweri Lincoln Constance, Reed C. Rollins 1942-5-13 2910 Siskiyou Klamath-Siskiyou Region: Scott River 2 miles northwest of Scott Bar. 488 Comment
  HSC23654  Arabis breweri var. breweri J. O. Sawyer 1969-7-24 1466 Siskiyou NW facing slope SW of Sugar lake. 1829 Comment
  HSC69740  Arabis breweri var. breweri Maralyn A. Renner 1980-6-26 1277 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  RSA0126148  Arabis divaricarpa Frederick W. Oettinger 1969-7-11 974 Siskiyou Bank of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1936 Comment
  HSC39215  Arabis holboellii var. retrofracta J. P. Smith 1976-5-5 8683 Siskiyou Road between Sawyers Bar and Somes Bar 488 Comment
  UC375279  Arabis holboellii var. retrofracta Geo. D. Butler 1910-6-5 1525 Siskiyou Log Lake Shackleford Creek Comment
  RSA237271  Arabis holboellii var. retrofracta Frederick W. Oettinger 1969-7-11 992 Siskiyou Near Half-way Spring, trail from English Lake to Diamond Lake. Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1898 Comment
  SFV1406  Arabis modesta A. M. Vollmer, L. Beane 1951-6-2 73 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway. Comment
  JEPS53010  Arabis oregana Joseph P. Tracy 1939-4-29 16267 Siskiyou near Somes Bar (1 mi. above mouth of Salmon R.) 182 Comment
  RSA211449  Arabis platysperma var. howellii William J. Ferlatte 1966-7-6 185 Siskiyou Caribou Mtn. 2470 Comment
  JEPS104823  Arabis subpinnatifida Dean W. Taylor 1996-5-29 15642 Siskiyou upper Noyes Valley; along Noyes Valley Creek (ca. 20 air miles SW of Yreka) 1371 Comment
  CDA15524  Aralia californica G. F. Hrusa 1998-7-5 14692 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy., at mile 5.x. Sheet 1 of 2 Comment
  CDA40892  Aralia californica G. F. Hrusa 1998-7-5 14692 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy., at mile 5.x. Sheet 2 of 2 Comment
  RSA470445  Aralia californica Glenn Chadwick, Mr Chadwick 1911-07 s.n. Siskiyou Shasta springs Comment
  RSA238708  Arceuthobium abietinum Frederick W. Oettinger 1968-9-5 712 Siskiyou At 'Base Camp' Meadow at mid-trail between Diamond and Hancock Lakes. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  SEINET2471295  Arceuthobium abietinum subsp. wiensii R. L. Mathiasen 2007-9-18 2007 -48 Siskiyou 46 km N. of St. Rte. 96 on forest road 15N01 1470 Comment
  CHSC97967  Arceuthobium californicum R. L. Mathiasen 2005-3-12 530 Siskiyou 5.3 km from Siskiyou Lake on road to Castle Lake. Shasta-Trinity National Forest. 1330 Comment
  HSC29239  Arceuthobium campylopodum Frederick W. Oettinger 1969-8-22 1509 Siskiyou Marble Mtn. Wilderness Area, just W of outlet and along shoreline of Horse Range Lake 1822 Comment
  SEINET2471392  Arceuthobium monticola R. L. Mathiasen 2008-8-13 2008 -24 Siskiyou Black Butte (south of Takilma, OR) 1450 Comment
  SEINET2471355  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2007-9-20 2007 -53 Siskiyou 1 km SE. of trail to Duck Lake on trail to Eaton Lake, Russian Peak Wilderness 1730 Comment
  SEINET8530039  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2003-7-27 2003 -41 Siskiyou 1.2 km NW of Ahlgren Cabin on Garden Gulch Trail Comment
  CAS-BOT-BC102217  Arctium minus Louis C. Wheeler 1934-9-17 3276 Siskiyou Dutch Creek off Klamath River, Siskiyou Mts. 701 Comment
  HSC4923  Arctostaphylos nevadensis J. O. Sawyer 1968-7-22 531 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  POM367360  Arctostaphylos nevadensis M. B. Dunkle 1944-6-26 9051 Siskiyou Deer Creek. 1829 Comment
  UC54438  Arctostaphylos nevadensis H. M. Hall and E. B. Babcock June, 1903 4107 Siskiyou Ash Creek Sierra Nevada Mts., Mt. Shasta 1676 Comment
  UCD59181  Arctostaphylos nevadensis Steve Edwards; Wayne Roderick 1983-7-9 104 Siskiyou Along trail between Cook and Green Pass and Lily Pad Lake. 1676 Comment
  CAS-BOT-BC46431  Arctostaphylos patula Albert Seneres; Stephen Edwards; Nigel Harold 1982-10-2 s.n. Siskiyou SW. of Deadwood Peak Lookout. 1653 Comment
  CAS-BOT-BC46455  Arctostaphylos patula H. P. Bracelin 1931-6-19 425 Siskiyou N. side of Mt. Eddy. Above Metcalf ranch house, N. of Shasta City about 8 mi. 1539 Comment
  CAS-BOT-BC46479  Arctostaphylos patula Doris K. Kildale 1928-8-19 6566 Siskiyou Hancock Lake, on trail to Marble Mt. 2133 Comment
  HSC37525  Arctostaphylos patula J. P. Smith 1974-5-25 7436 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  HSC60846  Arctostaphylos patula Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  POM77503  Arctostaphylos patula Geo D. Butler 1909-3-7 586 Siskiyou Hills near Yreka. Comment
  UC876449  Arctostaphylos patula Lewis S. Rose 1937-7-25 37596 Siskiyou Mt. Shasta City 1158 Comment
  UC718362  Arctostaphylos viscida subsp. viscida Carl B. Wolf 1934-7-4 5925 Siskiyou 3 mi below Tee Bar Creek; Klamath River 213 Comment
  RSA790239  Arenaria congesta Rebecca Wenk 2005-7-15 237 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose mine trail. Comment
  JEPS104785  Arenaria serpyllifolia subsp. serpyllifolia Dean W. Taylor 1996-5-30 15644 Siskiyou base of Sentinel Rocks, Iron Gate Reservoir (about 20 miles east of Yreka); Klamath National Forest 1036 Comment
  HSC62125  Arnica cernua Al Hobart 18 Jun [year missing] Siskiyou Preston Peak Comment
  UCSB63908  Arnica chamissonis Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou On the east side of Forest Route 15, 10.9 mi. north of Hwy. 89; T41N R2E Sect. 18; Lodgepole Pine Forest 1383 Comment
  CAS-BOT-BC295872  Arnica dealbata Alice Eastwood 1921-7-28 10900 Siskiyou Medicine Lake Comment
  HSC22128  Arnica discoidea J. O. Sawyer 1969-6-11 825 Siskiyou Lower slope near C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  HSC22130  Arnica diversifolia J. O. Sawyer 1969-7-18 1365 Siskiyou E of Waterdog Lake 2012 Comment
  SEINET10912115  Arnica diversifolia Andrew Townesmith, Karen M. Meyer 2007-7-30 Townesmith 877 Siskiyou Shasta-Trinity National Forest. Off county road A-10, mile 12.6 (from beginning of road in Mount Shasta City), Panther Meadow campground vicinity. T41N R3W S33. 2284 Comment
  UC468980  Arnica latifolia Annie M. Alexander and Louise Kellogg 1911-6-24 183 Siskiyou Jackson L. 1798 Comment
  RSA237424  Arnica latifolia Frederick W. Oettinger 1969-8-6 1256 Siskiyou Tom's Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UCD77358  Arnica mollis Robert E. Preston 2001-7-20 1693 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W ne 1/4 of se 1/4 Section 14 1755 Comment
  CAS-BOT-BC90060  Arnica nevadensis Philip A. Munz 1952-7-2 17879 Siskiyou road to Baldy Mt., n.w. of Happy Camp, Siskiyou Mts. 1493 Comment
  UC75810  Arnica nevadensis Milo S. Baker 1898-8-1 502 Siskiyou Medicine Lake Comment
  RSA417151  Arnica nevadensis M. B. Dunkle 1944-6-26 9044 Siskiyou Deer Creek. 1829 Comment
  HSC62123  Arnica viscosa Al Hobart 1960-7-25 Siskiyou Preston Peak Comment
  JEPS2529 Image available Arnica viscosa Willis L. Jepson 1894-8-4 59 i Siskiyou Horse Camp Mt. Shasta Comment
  UC206766  Arnica viscosa J. D. Hooker and A. Gray 1877-1 Siskiyou Mt. Shasta 2438 Comment
  UC642579  Arnica viscosa Bassett Maguire 1939-8-8 13833 Siskiyou valley of Horse Camp Creek; Mount Shasta 2468 Comment
  CAS-BOT-BC499176  Artemisia douglasiana Doris K. Kildale 1928-7-25 5904 Siskiyou Klamath River at Mack's Creek near Hamburg Comment
  RSA186323  Artemisia douglasiana Gilbert Muth 1966-10-16 10 Siskiyou Marble Mountains 1793 Comment
  CAS-BOT-BC97416  Artemisia tridentata subsp. tridentata Alice Eastwood 1921-7-28 10879 Siskiyou Medicine Lake Comment
  SEINET516317  Artemisia tridentata subsp. tridentata Vernon H. Oswald 1998-9-16 9629 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Smas Neck Rd. and Hwy. 97 ca. 5 mi N of Macdoel. 1295 Comment
  CAS-BOT-BC447716  Aruncus dioicus var. vulgaris Doris K. Kildale 1928-8-18 6425 Siskiyou North Fork Salmon River at Finley Camp Comment
  CAS-BOT-BC400585  Asarum caudatum Alice Eastwood 1912-7-16 1140 Siskiyou McCloud Comment
  CAS-BOT-BC400589  Asarum caudatum Alice Eastwood 1917-9-2 6679 Siskiyou Shasta Springs Comment
  JEPS74415  Asarum caudatum W. B. & V. G. Cooke 1974-8-21 49263 Siskiyou Howard, Mt. Shasta 1219 Comment
  CAS-BOT-BC400707  Asarum hartwegii G. D. Hanna; M. M. Hanna 1956-6-3 s.n. Siskiyou Forest Camp, Hatchet Mt. 39.8 E. of Redding Comment
  CAS-BOT-BC400708  Asarum hartwegii Wayne Roderick 1967-7-28 s.n. Siskiyou Along road to ski area, Mt. Shasta Comment
  RSA416099  Asarum hartwegii Anonymous 1907-1 s.n. Siskiyou Near Dunsmuir Comment
  JEPS49845  Asclepias cordifolia Willis L. Jepson July 24, 1894-August 10, 1894 14529 Siskiyou near Sissons; Region of the Upper Sacramento Comment
  UC164147  Asclepias speciosa Geo. D. Butler 1910-8-5 1813 Siskiyou near Yreka Comment
  CAS-BOT-BC69558  Aspidotis densa John Thomas Howell 1939-8-2 14902 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  RSA577265  Aspidotis densa L. C. Wheeler 1934-8-13 3112 Siskiyou East Fork Horse Creek Comment
  SBBG17697  Aspidotis densa M. A. Piehl 1956-8-14 Siskiyou N of Happy Camp Comment
  UC1190384  Aspidotis densa Ira L. Wiggins 1955-7-27 13533 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC69600  Aspidotis densa Doris K. Kildale 1929-8-24 9034 Siskiyou Rattlesnake Meadow on trail to Preston Peak. 1676 Comment
  RSA686372  Aspidotis densa L. C. Wheeler 1934-6-28 2814 Siskiyou Head of Little Soda Creek, Sterling Mountain 1433 Comment
  NY158754  Aster copelandii E. B. Copeland 1903-9-7 3867 Siskiyou Mt. Eddy 2743.2 Comment
  RSA238706  Aster foliaceus var. parryi Frederick W. Oettinger 1968-8-3 375 Siskiyou Between Diamond Lake and Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  UC862503  Astragalus arrectus L. E. Smith 1913-7-1 Siskiyou Hilt Comment
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Jan 31 2013
  CHSC110544  Astragalus californicus Julie Kierstead Nelson; Rhonda Posey, Peter Zika, Talitha Derksen 2012-6-21 2012 -057 Siskiyou South Fork Willow Creek, foothills of N side Scott Mountain. Rd 42N19 Sec. 30; ca 1 mi. S of Gazelle-Callahan Hwy. 1158 Comment
  HSC46226  Astragalus californicus Jennifer Whipple 1978-6-5 2337 Siskiyou Weston Gulch in Scott Valley 854 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
  CDA26674  Astragalus gambelianus G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2776 Siskiyou Yreka. West of Motel 6, south of town, north of Greenhorn Creek Road. Comment
  RSA26469  Astragalus lentiginosus var. salinus Alice Eastwood, J. T. Howell 1940-6-14 8271 Siskiyou Lava Beds National Mon. near Schonchin Butte Comment
  RSA90176  Astragalus lentiginosus var. salinus F. W. Peirson 1923-7-19 3602 Siskiyou From Lairds Landing to Bray. Comment
  HSC75122  Astragalus purshii J. P. Smith, Thomas W. Nelson 1979-6-16 10142 Siskiyou Klamath National Forest, Hwy. 3, 2.4 mi. from Scott Mtn. summit. 1341 Comment
  RSA47607  Astragalus purshii var. tinctus Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11710 -A Siskiyou Schoolhouse Hill, Plowmans Valley (Noyes Valley), east fork of Scott River. Comment
  UC164060  Astragalus purshii var. tinctus Geo. D. Butler 1909-4-14 631 Siskiyou Humbug HIlls Comment
  UC1333511  Astragalus whitneyi John F. Davidson 1947-5-17 4635 Siskiyou 5 mi from Callahan (27 mi from Trinity Center, in draw on first summit Scott Mt. Road on n slope Scott Mt.); n slope Scott Mt., <nr> Callahan, 27 mi fr Trinity Center Comment
  HSC81526  Astragalus whitneyi var. siskiyouensis Thomas W. Nelson, Jane P. Nelson 1980-7-17 6071 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  UC1001185  Astragalus whitneyi var. siskiyouensis Dorothy Parker 1953-7-20 547 Siskiyou Cabin Meadow Creek near Cory Peak (Siskiyou Mountains, dry rocky hillside); Siskiyou Mountains, Cabin Meadow Creek nr Cory Peak 1981 Comment
  HSC41795  Asyneuma prenanthoides Brent Whiteley 1975-6-22 37 Siskiyou Klamath National Forest along Hwy. 96 near Somes Bar. 220 Comment
  UCD78115  Athyrium alpestre var. americanum Robert E. Preston 2002-7-14 1935 Siskiyou Klamath National Forest, N slope of Rainbow Mountain 1981 Comment
  CAS-BOT-BC66197  Athyrium filix-femina var. cyclosorum Doris K. Kildale 1929-7-20 8727 Siskiyou Raspberry Lake, upper Indian Creek 1828 Comment
  UC1408832  Athyrium filix-femina var. cyclosorum Frederick W. Oettinger 1968-8-14 511 Siskiyou just below Tom Taylor Cabin spring; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2042 Comment
  CAS-BOT-BC66183  Athyrium filix-femina var. cyclosorum W. B. C. 1940-8-5 15407 Siskiyou in the Wagon Camp spring area 1737 Comment
  RSA482804  Athysanus pusillus L. C. Wheeler 1934-6-9 2675 Siskiyou Hungry Creek, Siskiyou Mts. Mt. Diablo Meridian. 1098 Comment
  UC163672  Atriplex rosea Geo. D. Butler 1910-8-18 1841 Siskiyou Shasta Valley Comment
  HSC43816  Balsamorhiza deltoidea M. A. Baker 1977-5-22 327 Siskiyou One mile west of Hwy. 3, on the road to Little Duck and Sugar Lakes Comment
  CAS-BOT-BC100050  Balsamorhiza hookeri Dorothy Parker 1951-5-20 515 Siskiyou on the summit of Scott Mountain 1624 Comment
  RSA264995  Barbarea orthoceras Gilbert Muth 1975-7-30 9963 Siskiyou Near Lily Pad Lake near Seiad Valley. 1585 Comment
  HSC36893  Berberis aquifolium var. aquifolium J. P. Smith 1974-5-26 7551 Siskiyou Along FS Rd. 47N03 1524 Comment
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Feb 26 2013
  HSC58852  Berberis aquifolium var. aquifolium Marvin Butler 1971-7-11 93 Siskiyou Near Youngs Valley, close to the town of Cave Junction 1403 Comment
  JEPS82697  Berberis aquifolium var. aquifolium Steve Edwards 1984-6-7 Siskiyou sw Stewart Springs (above Cabin Meadow); South China Mt 2286 Comment
  UCD95066  Berberis aquifolium var. aquifolium Sandra L. Holloway 1963-5-19 55 Siskiyou 2 miles E of forks of Big Humbug Creek, W of Hawkinsville. 1066 Comment
  HSC101715  Berberis aquifolium var. dictyota J. P. Smith, J. O. Sawyer 2011-6-25 13264 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  HSC22117  Berberis aquifolium var. dictyota J. O. Sawyer 1969-8-17 2018 Siskiyou SW facing slope near C.C.C. road 1341 Comment
  HSC5012  Berberis aquifolium var. repens J. O. Sawyer 1968-7-23 578 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  CAS-BOT-BC76001  Berberis pumila Wm. F. Herrin 1920-5-1 s.n. Siskiyou Shasta Springs. Comment
  UC726782  Betula occidentalis A. A. Heller 1918-7-16 13036 Siskiyou Mt. Eddy 1524 Comment
  HSC19291  Bistorta bistortoides J. O. Sawyer 1969-7-12 1344 Siskiyou Edge of Sugar Lake 1799 Comment
  HSC68068  Blepharipappus scaber J. P. Smith 1976-5-22 8793 Siskiyou Near County Dump in Scott Valley between Callahan and Etna 1037 Comment
  HSC41629  Blepharipappus scaber Barbara Kelly 1977-5-21 486 Siskiyou East side of road, Scott Valley. South boundary of Whipple Ranch 884 Comment
  CAS-BOT-BC15805  Boechera acutina John Thomas Howell 1937-7-21 13205 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC16051  Boechera breweri subsp. shastaensis Lincoln Constance; Reed Clark Rollins 1942-5-13 2902 Siskiyou Klamath-Siskiyou Region. Klamath River near Clear Creek, 8 miles south of Happy Camp. 304 Comment
  CAS-BOT-BC13812  Boechera howellii John Thomas Howell 1937-7-26 13539 Siskiyou Caribou Mountain. 2438 Comment
  CAS-BOT-BC25426  Boechera retrofracta Alice Eastwood 1923-5-29 11989 Siskiyou Cantara. Comment
  CAS-BOT-BC25620  Boechera retrofracta Doris K. Kildale 1928-7-2 5372 Siskiyou Salmon Summit via Horn Creek Trail. 1981 Comment
  CHSC96093  Boechera retrofracta L. P. Janeway 2006-7-3 8752 Siskiyou Klamath Ranges. Salmon Mountains; Music Creek Trailhead near upper Music Creek. 1893 Comment
  CAS-BOT-BC25613  Boechera retrofracta John Thomas Howell 1937-7-29 13633 Siskiyou Summit ridge of Scott Mountain between Siskiyou and Trinity counties. Comment
  CAS-BOT-BC25617  Boechera retrofracta Alice Eastwood; John Thomas Howell 1937-6-26 5031 Siskiyou Near Etna. Comment
  SEINET6061781  Boechera rollei David Morin, Rolle, Wayne; Bailey, C. D. 2012-6-27 013 Siskiyou .1 mile southwest of border between Siskiyou National Forest and Klamath National Forest. Pacific Crest Trail 1/4 mi above Lilypad Lake. .7 air mi. SSW of Red Butte Summit. Siskiyou Mountains. Comment
  RSA298356  Boykinia occidentalis J. P. Smith, Steve Selva 1970-6-14 3886 Siskiyou 1 mile E of Steinacher Creek Rd on road to Forks of Salmon. Comment
  CAS-BOT-BC100469  Brickellia californica Louis C. Wheeler 1934-9-15 3264 Siskiyou Walker, Klamath River, Siskiyou Mts. 518 Comment
  UC1408932  Brickellia grandiflora Frederick W. Oettinger 1968-8-23 611 Siskiyou due ene of, high lake basinns in the vicinity of English Peak Diamond Lake; Salmon Mountains, Marble Mountain Wilderness Area 2057 Comment
  HSC76871  Brickellia grandiflora K. T. Stillman 1976-9-9 466 Siskiyou Marble Mountain Wilderness Area, Marble Valley Guard Station. 1738 Comment
  JEPS72945  Bromus carinatus var. carinatus W. L. Jepson 1940-6-23 20017 Siskiyou 1 mi s of Andesite Station (n of Mount Shasta) 975 Comment
  HSC101401  Bromus carinatus var. marginatus J. P. Smith, J. O. Sawyer, R. J. Cole 2010-8-7 13068 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2005 Comment
  UC1255319  Bromus diandrus Dorothy Parker 1949-6-16 323 Siskiyou at the entrance to McConahue Gulch (Scott Valley); Scott Valley 853 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
  SJSU6526  Bromus orcuttianus R. W. Trivelpiece 1972-6-15 113 Siskiyou Vann Creek near Bear Peak c. 15 mi SW of Happy Camp 1341 Comment
  UCD59249  Bromus orcuttianus A. A. Heller 1915-7-18 12124 Siskiyou Metcalf's ranch, base of Mt. Eddy. Comment
  CAS-BOT-BC162130  Bromus orcuttianus Ira L. Wiggins 1955-7-24 13497 Siskiyou Along ridge between upper reaches of China and Blind Horse Creeks, south side of South Fork of Salmon River. 1645 Comment
  POM90566  Bromus orcuttianus A. A. Heller 1905-6-13 8026 Siskiyou near Shasta Springs [Siskiyou Co.?--county not indicated on specimen label] Comment
  UCD59539  Bromus rubens A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3394 Siskiyou 7 miles N of Weed. Comment
  SACT000688  Bromus sterilis G. Kimber 1934-6-9 Siskiyou Close to junction with Sacramento River Comment
  UCD59740  Bromus suksdorfii Robert E. Preston 2001-7-21 1742 Siskiyou Klamath National Forest, Rainbow Mountain. 2255 Comment
  UC164920  Bromus tectorum George D. Butler 1909-8-16 860 Siskiyou near Yreka Comment
  UC1265381  Calamagrostis breweri Frederick W. Oettinger 1969-9-3 1613 Siskiyou English Peak, N slope Western Siskiyou Co., Salmon Mountains, Marble Mountain Wild (Shasta Ridge) 2072 Comment
  CAS-BOT-BC85726  Calocedrus decurrens Carl B. Wolf 1927-8-26 1059 Siskiyou On the Klamath River, 3 mi. below Gottville Comment
  CAS-BOT-BC85774  Calocedrus decurrens David D. Keck 1949-7-20 6371 Siskiyou 3 miles N.E. of Ft. Jones on westerly slope of mountians. Comment
  HSC68573  Calocedrus decurrens Maralyn A. Renner 1980-6-23 975 Siskiyou W Fork Seiad Creek 878 Comment
  JEPS39855  Calocedrus decurrens B. Wise Neilsen 1936-10-18 Siskiyou 2 mi nw of Etna Mt.; Salmon Mt. Comment
  UC163806  Calochortus elegans Geo. D. Butler 1910-6-5 1508 Siskiyou Shackleford Creek Comment
  JEPS61648  Calochortus elegans Hilda W. Grinnell 1935-6-7 Siskiyou Dry Lake Ranger Station Siskiyou Mts. 2062 Comment
  SEINET12045296  Calochortus elegans var. nanus M. Ownbey, Brown, D. H. 1941-1 2429 Siskiyou near Gunsight Peak, mountains W of Yreka Comment
  JEPS61690  Calochortus macrocarpus W. L. Jepson 1940-6-23 19988 Siskiyou e of Grenada and Mayten (e side of Little Shasta Valley); Little Shasta Valley 883 Comment
  JEPS93893  Calochortus macrocarpus Vernon H. Oswald and Lowell Ahart 1998-7-21 9321 Siskiyou Highway 97 at the 11.0 mile marker 1.2 mi w of A12 ne of Weed; Highway 97, 11.0 mile marker 1188 Comment
  HSC15365  Calochortus macrocarpus var. macrocarpus R. C. Wunner 1965-7-20 402 Siskiyou Lava Beds National Monument, Indian Wells near N prefab 1433 Comment
  HSC581  Calochortus nudus William J. Ferlatte 1966-6-22 100 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  UC1163460  Calochortus persistens Marion Ownbey and S. J. Preece Jr. 1952-6-25 3341 Siskiyou w of Yreka (ridge road to Deadwood Lookout) Comment
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Nov 3 2011
  CAS-BOT-BC494016  Calochortus tolmiei Gilbert Muth 1965-8-6 s.n. Siskiyou Backside of Blk. Mt. 2072 Comment
  CAS-BOT-BC132630  Calochortus uniflorus Wm. Bridge Cooke 1938-7-15 11219 Siskiyou In lower Wagon Camp Comment
  RSA0120953  Caltha leptosepala J. P. Smith 1974-5-26 7538 Siskiyou Chandler Glade on Forest Service Road 47N03. 1768 Comment
  CHSC95109  Caltha leptosepala var. biflora L. P. Janeway 2006-7-4 8782 Siskiyou Klamath Ranges. Scott Mountains; Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  CHSC38987  Calycadenia ciliosa J. D. Jokerst 1983-7-21 1865 A Siskiyou At Wiley Ranch, ca center of the E edge. Comment
  RSA47126  Calycadenia ciliosa Doris K. Kildale 1925-9-6 1288 Siskiyou Somes Bar Comment
  UC89046  Calycadenia fremontii unknown 1890-10-1 Siskiyou near Sissons Comment
  UC1971694  Calycadenia fremontii 1978-8-21 2159 Siskiyou 0.4 mi E of Somesbar on Etna-Somesbar Road (=GDC 783) 194 Comment
  UC337224  Calycadenia truncata unknown 1889-6-27 Siskiyou near Shasta Comment
  CAS-BOT-BC272752  Calycadenia truncata subsp. truncata Ella Dales Cantelow 1938-10-23 2378 Siskiyou 16 mi. n.w. of Yreka, Klamath River Hy. #96 Comment
  UC61082  Calyptridium monospermum W. A. Setchell, C. C. Dobie 1902-7-12 Siskiyou Sisson; Mount Shasta, Sisson Comment
  CDA23944  Calyptridium umbellatum J. R. Grisham 1958-6-16 Siskiyou Near town of Mt. Shasta. 0 Comment
  UC1185276  Calystegia malacophylla subsp. malacophylla H. E. Brown June 1-10 1897 397 Siskiyou near Sisson; near Sisson 1083 Comment
  UC61049  Calystegia occidentalis subsp. occidentalis W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson , Sisson (Mount Shasta) Comment
  JEPS84334  Calystegia occidentalis subsp. occidentalis L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6411 Siskiyou ca 5 mi n of the town Seiad Valley (Cirque at head of Hell's Canyon); Cirque at head Hell's Canyon, n of Seiad Valley 1750 Comment
  RSA47654  Calystegia occidentalis subsp. occidentalis Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11865 Siskiyou 8 miles from summit of Gazelle Mt. grade, east side. 930 Comment
  JEPS53275  Camelina microcarpa W. C. Blasdale 1894-7-28 Siskiyou Sisson Comment
  CAS-BOT-BC36992  Camelina microcarpa L. E. Smith 1913-6-5 415 Siskiyou Montague. Comment
  SEINET7040088  Camissonia contorta A. G. Vestal 1963-6-1 s.n. Siskiyou Southeast of Dwinnell Reservoir [Lake Shastina]. Weed Quad. UTM Zone 10, 547726mE, 4593011mN. Comment
  JEPS83866  Campanula prenanthoides Wayne Roderick July 1976 Siskiyou vicinity Cook and Green Pass; Siskiyou Mts. 1463 Comment
  SEINET10840344  Campanula prenanthoides Muth 1976-7-29 MUTH s.n. Siskiyou NR KUNTZ CR, SEIAD V. QUAD, NR SEIAD VALLEY 6001', FOREST FLOOR, COBBLY SOIL Comment
  SEINET10873248  Campanula prenanthoides Clifton 1978-7-18 CLIFTON 2285 Siskiyou NR STATE LINE, CAVE JCT QUAD., NR CAVE JCT. 4849', RIDGE TOP Comment
  SEINET10939000  Campanula prenanthoides Clifton 1978-6-20 CLIFTON 1415 Siskiyou NR O'NEIL CREEK, SEIAD V. QUAD., NR SEIAD V. 1499', ROAD CUT, BOULDERS Comment
  SEINET191600 Image available Campanula prenanthoides Marion Ownbey, Fred G Meyer 1940-7-4 2171 Siskiyou Siskiyou Mts NW of Hornbrook. Comment
  UC479158  Campanula prenanthoides Marcus E. Jones, A. M. 1931-7-17 29061 Siskiyou Shasta City (Session's) Comment
  SEINET10463031  Campanula prenanthoides Ira L. Wiggins 1955-7-23 Wiggins 13463 Siskiyou RIDGE W OF CHINE CR, S SIDE OF S FORK SALMON RIVER IN PARTIAL SHADE, 3150 Comment
  SEINET8037769  Campanula prenanthoides G. D. Butler 1910-8-7 1815 Siskiyou Humbug Mountain. 1219 Comment
  POM259605  Campanula rotundifolia J. T. Howell 1939-8-4 15046 Siskiyou Marble Rim, Marble Mts 1890 Comment
  CAS-BOT-BC266451  Campanula scabrella Alice Eastwood 1912-8-30 2010 Siskiyou Mount Eddy Comment
  SEINET10463386  Campanula scabrella Muth 1978-8-2 MUTH 6762 Siskiyou Near South China Mountain, on the China Mountain quadrangle, close to the town of Callahan 2348 Comment
  SEINET10463436  Campanula scouleri A. Arthur Heller 1914-8-25 Heller s.n. Siskiyou DEETZ STATION NEAR BLACK BUTTE 1158 Comment
  SEINET10463576  Campanula scouleri Joseph W. Congdon 1900-8-16 Congdon s.n. Siskiyou CASTLE LAKE TRAIL Comment
  SEINET10463782  Campanula scouleri Setchell 1902-7-26 SETCHELL s.n. Siskiyou Mount Shasta; Sisson Comment
  UC1026172  Campanula scouleri Marion Ownbey and Ruth P. Ownbey 1938-7-19 1757 Siskiyou open woods near Deer Camp; Siskiyou Mountains Comment
  HSC66249  Campanula wilkinsiana Maralyn A. Renner 1980-8-21 2538 Siskiyou Kidd Creek 2043 Comment
  CAS-BOT-BC37224  Cardamine angulata Alice Eastwood 1923-5-18 11838 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC37749  Cardamine californica John Thomas Howell 1939-8-9 15241 Siskiyou Marble Mountains. Shackleford Creek Trail. Comment
  POM95829  Cardamine californica var. integrifolia Geo. D. Butler 1909-4-11 649 Siskiyou Shasta Springs. Comment
  RSA281668  Cardamine cordifolia var. lyallii S. O. Mattoon 1978-7-23 120 Siskiyou Wright Lakes Trail at Upper Wright Lake, approx. 11 air miles W of Fort Jones, Marble Mts. 2195 Comment
  JEPS53389  Cardamine nuttallii var. covilleana Geo. D. Butler 1910-4-1 1152 Siskiyou Humbug Mountain Comment
  HSC64149  Cardamine oligosperma J. P. Smith 1973-5-5 6381 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  HSC22453  Cardamine oligosperma J. O. Sawyer 1969-6-11 860 Siskiyou Ravine just above CCC road 1280 Comment
  JEPS80501  Carex Gilbert Muth 1966-7-8 357 Siskiyou Marble Valley Marble Mt. Wilderness Area, Marble Valley 1792 Comment
  JEPS126013  Carex ablata D. W. Taylor, G. Clifton 1996-7-27 15855 Siskiyou Shasta-Trinity National Forest; Cliff Lake, The Eddys, about 15 air miles SW of Weed. Comment
  CHSC40136  Carex abrupta L. P. Janeway 1982-8-15 140 Siskiyou On steep ne-facing slope above Echo Lake. 1798 Comment
  CHSC99692  Carex abrupta L. P. Janeway 2008-7-24 9475 Siskiyou Klamath Ranges. Siskiyou Mountains; at end of short spur road into top of Alex Hole; 1.0 km east-southeast of Condrey Mountain. 1975 Comment
  RSA22261  Carex abrupta J. T. Howell 1939-8-3 14962 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  CHSC78912  Carex aquatilis var. aquatilis Rhonda Posey 2000-8-17 Siskiyou Mud Creek Meadows; along Road 42N13 (Pilgrim Creek Road) about 3.5 mi northeast of the McCloud Ranger District office in McCloud. 1097 Comment
  CAS-BOT-BC18126  Carex athrostachya Alice Eastwood 1921-7-25 10833 Siskiyou Bigelows, on McCloud River. Comment
  CHSC107146  Carex athrostachya R. E. Brainerd 2009-7-21 1532 Siskiyou Trinity Mountains, Gumboot Meadow; 12.2 air miles west of Dunsmuir. UTM Zone 10 541147E 4562996N. 1821 Comment
  UC1573170  Carex athrostachya Dean Wm. Taylor with Glenn Clifton, R. Douglas Stone 1987-8-5 9240 Siskiyou Porcupine Lake Modoc Plateau, Porcupine Lake 1304 Comment
  JEPS63749  Carex bolanderi Willis L. Jepson 1894-8-4 54 a Siskiyou Cedar Spring Mt. Shasta, Cedar Spring Comment
  CHSC40138  Carex brainerdii L. P. Janeway 1983-6-25 341 Siskiyou On rock bluff above Klamath R, e side, near Independence Cr Br. 274 Comment
  HSC29659  Carex brainerdii Frederick W. Oettinger 1969-8-3 1146 Siskiyou Marble Mtn. Wilderness: High Lake Basins, above English Lake 1829 Comment
  CAS-BOT-BC34157  Carex breweri Robert F. Thorne; Frederick W. Oettinger 1969-8-10 38982 Siskiyou Mt. Shasta National Forest. S slope of Mt. Shasta. 2438 Comment
  CAS-BOT-BC34160  Carex breweri J. D. Hooker; A Gray 1877-1-1 s.n. Siskiyou Mt. Shasta. Comment
  HSC86451  Carex breweri D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta 2591 Comment
  HSC76384  Carex concinnoides L. P. Janeway 1982-6-22 21 Siskiyou 400 m NE of West Branch Guard Station near road to Indian Creek, 15 m below road, near creek 671 Comment
  CAS-BOT-BC34382  Carex cusickii W. J. Ferlatte 1966-8-2 234 Siskiyou Trinity Alps. Big Flat Hillside. Between campground and South Fork of the Salmon River. 1524 Comment
  HSC76851  Carex diandra L. P. Janeway 1982-8-13 122 Siskiyou Springy bench above and on NE side of Bear Creek, along the trail 1616 Comment
  HSC29666  Carex echinata subsp. echinata Frederick W. Oettinger, R. F. Thorne 1969-8-7 1270 Siskiyou Marble Mtn. Wilderness Area, margin of English Lake 1768 Comment
  SEINET3900972  Carex eurycarpa L. E. Detling 1959-6-8 8227 Siskiyou Scott River near Kelsey Creek Guard Station.; 0 671 Comment
  HSC76833  Carex exsiccata L. P. Janeway 1982-8-2 103 Siskiyou 3.5 mi. up FS Rd. 18N30 from S Fork Indian Creek, 1.25 mi. down spur road into Coon Run 793 Comment
  UCD77468  Carex fracta Robert E. Preston 2003-7-29 2167 Siskiyou Rainbow Mountain 1785 Comment
  CHSC90366  Carex geyeri Martin J. Lenz 2004-7-2 223 Siskiyou Miller Mtn.; approx. 2.6 mi. (4.2 km) 319 degree T from Herd Peak. UTM: 10 561352 E 4611707 N. 1797 Comment
  JEPS88990  Carex gigas Julie Kierstead 1991-7-2 91096 Siskiyou 10 mi w of city of Mount Shasta (Mt. Shasta Ranger District, upper end of Fawn Creek Meadow); Shasta-Trinity National Forests, Mt. Shasta Ranger District 1828 Comment
  HSC48021  Carex globosa D. H. Norris 1972-6-11 22844 Siskiyou Along Duck Lakes trail near Parrott's Mill Road 1677 Comment
  UC535944  Carex halliana Elmer I. Applegate 1923-8-18 3880 Siskiyou Medicine Lake Comment
  SEINET10367314  Carex hassei P. F. Zika, Barbara Wilson 2011-7-31 25675 Siskiyou Klamath Range, FS Rd 42N03, 1.6 road miles from junction with Gazelle-Callahan Rd. 1.5 air miles NE Mountain House, 3.5 air miles NW of Crater Lake, Scott Mts. 1700 Comment
  CAS-BOT-BC22294  Carex hassei William Bridge Cooke 1940-6-8 15116 Siskiyou Mount Shasta City. 1082 Comment
  HSC7  Carex integra William J. Ferlatte 1966-6-23 124 Siskiyou Yellow Rose Mine 1982 Comment
  HSC505  Carex jonesii William J. Ferlatte 1967-6-27 531 Siskiyou Big Flat, between campground and S Fork of the Salmon River 1524 Comment
  CHSC40191  Carex laeviculmis L. P. Janeway 1983-8-13 528 Siskiyou On s side and above S Fk Indian Cr. 1432 Comment
  UC1584279  Carex lenticularis J. Kierstead 1990-5-8 90 -59 Siskiyou Lower Falls of the McCloud River McCloud R.D. 1828 Comment
  CAS-BOT-BC31304  Carex lenticularis var. impressa W. R. Dudley 1901-8-18 s.n. Siskiyou Jacksons Lake. Comment
  HSC39282  Carex lenticularis var. lipocarpa J. O. Sawyer 1969-7-12 1350 Siskiyou Edge of Sugar Lake 1799 Comment
  HSC76377  Carex lenticularis var. lipocarpa L. P. Janeway 1982-6-25 24 Siskiyou 300 m. SE of No Mans Creek, 600 m. up Creek from the Clear Creek Rd. 610 Comment
  CAS-BOT-BC31434  Carex leporinella Louis C. Wheeler 1934-8-9 3087 Siskiyou Siskiyou Mts. Head of Jaynes Canyon. 1981 Comment
  UC1950183  Carex luzulina Barbara Ertter 1990-7-16 9378 Siskiyou NW side of Mt Eddy ca 8 airmiles SW of Weed, ca 1-2 mi from Parks Cr trailhead (= crest of Rt 17) along ridge; steep N-facing rocky slope Comment
  UCD140530  Carex luzulina A. A. Heller 1920-7-6 13410 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1158 Comment
  CAS-BOT-BC31674  Carex luzulina var. ablata A. A. Heller 1920-7-6 13410 Siskiyou Metcalf's ranch, NE base of Mt. Eddy. 1158 Comment
  UC1147817  Carex luzulina var. ablata John Thomas Howell 1937-7-23 13332 Siskiyou near Big Flat (South Fork of Salmon River) 1524 Comment
  CAS-BOT-BC31626  Carex luzulina var. ablata A. A. Heller 1922-7-3 13674 Siskiyou Wet soil along Wagon creek on Mt. Eddy. 2225 Comment
  RSA237363  Carex luzulina var. ablata Frederick W. Oettinger 1968-8-3 374 Siskiyou Diamond Lake Meadows. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC31782  Carex mertensii Doris K. Kildale 1929-8-25 9086 Siskiyou Whisky Lake, trail to Preston Peak. 1524 Comment
  CHSC115879  Carex multicaulis Peter F. Zika 2012-5-18 25888 Siskiyou Near Dunsmuir Avenue, S end of town of Dunsmuir, 3.6 air km SE of Mount Bradley, Klamath Range. 730 Comment
  CAS-BOT-BC23423  Carex multicostata John Thomas Howell 1937-7-24 13429 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC33316  Carex multicostata William J. Ferlatte 1974-7-14 1524 Siskiyou Big Flat, near South Fork of Salmon River, campground 1524 Comment
  CHSC99473  Carex nebrascensis Barbara L. Wilson; Richard E. Brainerd 2004-6-17 10917 Siskiyou Gazelle-Callahan Road. 1478 Comment
  CAS-BOT-BC119902  Carex nebrascensis George Dexter Butler 1909-6-13 858 Siskiyou Damp meadow near Oro Frio. Comment
  CAS-BOT-BC21131  Carex nigricans Gote Wilhelm Turesson; Carl Gustav Alm 1938-7-19 499 Siskiyou Mount Shasta, southern slope. 2743 Comment
  UC144464  Carex nudata A. A. Heller 1905-6-1 7921 Siskiyou Between Dunsmuir and upper Soda Spring Comment
  CAS-BOT-BC119464  Carex nudata C. F. Baker 1903-7-4 3541 Siskiyou Klamathon Comment
  CAS-BOT-BC119207  Carex pachystachya John Thomas Howell 1937-7-24 13433 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  UC1256430  Carex pachystachya Frederick W. Oettinger 1968-9-6 735 Siskiyou on trail ne Tom's Lake - Salmon Mountains, Marble Mountain Wilderness Comment
  CAS-BOT-BC118930  Carex pellita T. C. Fuller 1964-10-7 12686 Siskiyou Roadside ditch, E side of Hwy 99, S limits of Weed. Comment
  CAS-BOT-BC118573  Carex praegracilis Alice Eastwood; John Thomas Howell 1936-6-13 2748 Siskiyou 6 miles N of Weed Comment
  SEINET7572129 Image available Carex praegracilis Lowell Ahart, John Dittes 2005-6-10 12108 Siskiyou 30 yards east of the Shasta River, about 60 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  UC1265451  Carex preslii Frederick W. Oettinger 1969-9-3 1620 Siskiyou below English Peak (Shasta Ridge; the high lake basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  CAS-BOT-BC118782  Carex preslii A. H. Murphy 1953-7-28 KNF 1 Siskiyou Deadmans Peak, Klamath N. F. 1828 Comment
  CAS-BOT-BC118214  Carex rossii L. P. Janeway 1983-8-27 621 Siskiyou Preston Peak quad, Along the Twin Valley-Poker Flat trail. 1676 Comment
  HSC61816  Carex rostrata Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 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
  HSC39299  Carex scopulorum var. bracteosa J. O. Sawyer 1969-8-5 1752 Siskiyou W of Little Duck Lake 2073 Comment
  HSC39805  Carex scopulorum var. bracteosa J. O. Sawyer 1969-7-18 1414 Siskiyou Head of S Russian Creek 1829 Comment
  CAS-BOT-BC28343  Carex scopulorum var. bracteosa A. A. Heller 1922-7-3 13673 Siskiyou Wet soil along Wagon Creek on Mt. Eddy. 2194 Comment
  UCD78182  Carex serratodens Robert E. Preston 2008-5-15 2634 Siskiyou Ca. 2 mi N of Somes Bar, along Hwy 96, at Davis Creek 229 Comment
  CAS-BOT-BC117774  Carex specifica K. T. Stillman 1976-8-7 196 Siskiyou Scott Bar Quad. Marble Mountain Wilderness Area. 1828 Comment
  CHSC69097  Carex whitneyi Vernon Oswald; Lowell Ahart 1997-7-28 8799 Siskiyou Schonchin Spring Campground at Medicine Lake. 2057 Comment
  SEINET515839  Carex whitneyi Vernon Oswald 1997-7-28 8799 Siskiyou Schonchin Spring Campground at Medicine Lake. 2057 Comment
  CAS-BOT-BC59706  Cassiope mertensiana John Thomas Howell 1937-7-25 13443 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  HSC19018  Castilleja applegatei J. O. Sawyer 1969-7-1 960 Siskiyou Ridge above Paynes Lake Creek 1433 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
  HSC602  Castilleja arachnoidea William J. Ferlatte 1967-7-26 749 Siskiyou Caribou Basin, ridge W of Big Caribou Lake. 2134 Comment
  HSC69263  Castilleja arachnoidea J. O. Sawyer 1980-7-20 3734 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  HSC77054  Castilleja arachnoidea K. T. Stillman 1976-7-7 166 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  JEPS3870  Castilleja arachnoidea W. L. Jepson 1940-6-27 20034 Siskiyou e slope Mt. Shasta 1828 Comment
  UC705753  Castilleja arachnoidea Marion Ownbey, Fred G. Meyer 1940-7-5 2180 Siskiyou e side Mt. Shasta (well below timber line) Comment
  UC885274  Castilleja arachnoidea A. A. Heller 1914-8-28 11740 Siskiyou e side Mt. Eddy 2286 Comment
  HSC59896  Castilleja arachnoidea D. L. Goforth 1979-7-7 235 Siskiyou Klamath National Forest, near Deer Camp 1860 Comment
  JEPS124594 Image available Castilleja lacera M. R. Kempf 1965-7-14 316 Siskiyou Located within 5 ft. from road - collected 4 miles west of Siskiyou Co., Calif. Dead Horse Summit. Comment
  HSC70885  Castilleja miniata J. M. DiTomaso 1980-8-26 1915 Siskiyou Panther Meadow, 15 mi. NE of Mt. Shasta City 2134 Comment
  UC164077  Castilleja miniata Geo. D. Butler 1910-7-9 1692 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC254022  Castilleja miniata Ella Dales Cantelow 1940-6-1 4382 Siskiyou N. W. of Tennant [Tenet]. Butte Creek Meadow Comment
  HSC19256  Castilleja miniata J. O. Sawyer 1969-7-18 1423 Siskiyou E of Russian Lake 2043 Comment
  RSA120855  Castilleja miniata G. D. Barbe 1957-7-13 374 Siskiyou Big Flat Public Camp, Klamath National Forest. 1524 Comment
  RSA143625  Castilleja miniata P. A. Munz 1960-8-22 24178 Siskiyou Panther Meadows, Mt. Shasta. 2317 Comment
  RSA518884  Castilleja miniata L. R. Heckard, Peter Rubtzoff 1971-8-1 2687 Siskiyou Road from Stewarts Springs to The Eddys, 4 miles below the summit of Mt. Eddy range. 1585 Comment
  HSC76896  Castilleja pruinosa K. T. Stillman 1976-9-9 484 Siskiyou Marble Mountain Wilderness Area; jump off point, trail to Box Camp 1951 Comment
  POM265896  Castilleja pruinosa Lincoln Constance, R. C. Rollins 1942-5-14 2935 Siskiyou Shasta River 6 miles N of Yreka. 762 Comment
  SBBG40128  Castilleja pruinosa C. B. Hardham 1961-6-30 7997 Siskiyou White Mtn Comment
  POM42526  Castilleja pruinosa Geo. D. Butler 1910-5-1 1255 Siskiyou Near Yreka. Comment
  CAS-BOT-BC241081  Castilleja schizotricha K. T. Stillman 1976-6-25 102 Siskiyou Marble Mountain Wilderness Area. NE facing in Black Mt. 2133 Comment
  CAS-BOT-BC241088  Castilleja schizotricha John Thomas Howell 1939-8-8 15182 Siskiyou Black Mts., Marble Mts. Comment
  SEINET13737296  Castilleja schizotricha G. D. Butler 1910-7-9 1711 Siskiyou Wooley Creek. 1676 Comment
  RSA42530  Castilleja schizotricha Geo. D. Butler 1910-7-9 1712 Siskiyou Marble Mountain. 1829 Comment
  JEPS4340  Castilleja tenuis W. L. Jepson 1940-7-3 20100 Siskiyou 5 mi se Bartle; Big Bear Flat 1219 Comment
  HSC103024  Catalpa bignonioides J. P. Smith 2014-6-6 13882 Siskiyou Along State Route 96, east of its junction with Dutch Creek Road, along bank of the Klamath River 589 Comment
  CDA35569  Ceanothus cordulatus T. C. Fuller 1962-5-17 8734 Siskiyou West of Hwy. 99, 3 miles south of Mt. Shasta City. 0 Comment
  HSC71079  Ceanothus cuneatus M. A. Baker 1980-6-20 2200 Siskiyou Near Bald Mtn. 1036 Comment
  POM121382  Ceanothus cuneatus G. D. Barbe 1955-6-28 14 Siskiyou 0.4 mile N of Callahan 1006 Comment
  SFV5115  Ceanothus cuneatus B. C. Templeton 1957-6-22 s. n. Siskiyou North of Callahan. Comment
  CAS-BOT-BC63603  Ceanothus integerrimus Clarence R. Quick 1958-6-17 58 -27 Siskiyou Near Black Bear Summit s. of Sawyer's Bar on ridge road to cecilville. 1356 Comment
  JEPS24612  Ceanothus integerrimus Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6765 Siskiyou along S.P. (Shasta Route) (rr grade in upper Sacramento River Canyon, in 1.5 mi stretch betw Shasta Retreat (at n outskirts of Dunsmuir) to Mossbrae Falls and Shasta Springs) 731 Comment
  SD42406  Ceanothus integerrimus Carl B. Wolf 1941-7-26 11079 Siskiyou Sacramento river Canyon, 1 mi. below Dunsmuir 671 Comment
  CAS-BOT-BC50688  Ceanothus integerrimus var. macrothyrsus A. A. Heller 1905-6-1 7926 Siskiyou Between Dunsmuir and Upper Soda Spring Comment
  CAS-BOT-BC52120  Ceanothus prostratus Alice Eastwood 1912-7-18 1218 Siskiyou Sisson Comment
  JEPS86074  Ceanothus prostratus Wayne Roderick 1966-6-26 Siskiyou along trail to Copper Butte Cook and Green Pass area 1524 Comment
  RSA23947  Ceanothus prostratus O. V. Matthews 1939-7-8 26 Siskiyou W of Seiad Gove, Kangaroo lMtn Forest Service Trail. Comment
  CAS-BOT-BC52117  Ceanothus prostratus Milo S. Baker; Douglas Barbe 1955-7-28 310 Siskiyou 1 mile west of Scott Mtn Forest Camp, near the Siskiyou-Trinity County line 1676 Comment
  UCSB24688  Ceanothus prostratus Favere, R. 1968-4-21 Siskiyou on flat at foot of Black Butte; On old US 99, 3 miles north of Mount Shasta City; Scott Mountains. 1371 Comment
  JEPS82685  Ceanothus pumilus Steve Edwards 1984-6-7 Siskiyou sw Stewart Springs (above Cabin Meadow, on South China Mtn.); South China Mtn., above Cabin Meadow, sw of Stewart Springs 2286 Comment
  HSC100195  Ceanothus sanguineus J. P. Smith, & J. O. Sawyer 2011-9-5 13418 Siskiyou Along Klamath National Forest Road 45N28. 1378 Comment
  CAS-BOT-BC63151  Ceanothus velutinus Alice Eastwood 1912-9-1 2067 Siskiyou Mount Shasta. Comment
  RSA238025  Ceanothus velutinus Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1228 Siskiyou Southeast of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  UC163728  Ceanothus velutinus Geo. D. Butler 1909-6-22 904 Siskiyou foothills Goosenest Mountain; foothills of Goosenest Mountain Comment
  UC618734  Ceanothus velutinus W. Bridge Cooke 1938-6-24 11104 Siskiyou Diller Canyon Mount Shasta, Shasta Fir Forest, Sisson Southern Trail (in the Shasta Fir Forest, Sisson Southern Trail) Comment
  SJSU2588  Cephalanthera austiniae H. L. Buckalew 1962-7-9 Siskiyou near Poker Flat c. 2 mi W of junction of Indian Creek with W Branch Indian Creek, Siskiyou Mts 1066 Comment
  UC1190153  Cephalanthera austiniae Ira L. Wiggins 1955-7-29 13586 Siskiyou slope just e. Thompson Creek 1432 Comment
  UC375337  Cerastium glomeratum Geo. D. Butler 1909-4-14 636 Siskiyou fields near Yreka Comment
  CAS-BOT-BC207627  Cercis occidentalis Doris K. Kildale 1929-4-27 7848 Siskiyou Cecilville, south fork of Salmon River. Comment
  CAS-BOT-BC207628  Cercis occidentalis John Thomas Howell 1934-7-4 12408 Siskiyou SE corner of Siskiyou Co. Comment
  UC15101 Image available Cercis occidentalis Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
  POM88245  Cercocarpus betuloides Geo. D. Butler 1908-7-4 286 Siskiyou Shasta River Comment
  UCD112962  Cercocarpus betuloides Collector Unknown Date Unknown s.n. Siskiyou Siskiyou County. Exact location unknown. Comment
  JEPS45537  Cercocarpus betuloides var. macrourus Geo. D. Butler 1908-7-4 286 Siskiyou below Yreka (Shasta River); Shasta River Comment
  UC165930  Cercocarpus betuloides var. macrourus Geo. D. Butler 1910-5-30 1435 Siskiyou Humbug Mountain 1066 Comment
  UC75405  Cercocarpus betuloides var. macrourus Copeland 1903-7-14 3504 Siskiyou Klamathon; Pacific Coast, Klamathon Comment
  HSC18572  Cercocarpus ledifolius D. M. Thomson 1965-7-10 122 Siskiyou California Lava Beds National Monument, by Information Center parking lot Comment
  CAS-BOT-BC148524  Cercocarpus ledifolius var. ledifolius L. E. Smith 1913-4-10 65 Siskiyou Bray Comment
  POM351687  Chaenactis carphoclinia M. B. Dunkle 1945-1 9286 Siskiyou Klamath National Forest, Marble Mountains, Kings Castle 2378 Comment
  CAS-BOT-BC276777  Chaenactis douglasii var. douglasii A. A. Heller 1905-6-9 8014 Siskiyou Montague Comment
  UC144397  Chaenactis douglasii var. douglasii A. A. Heller 1905-6-9 8014 Siskiyou Montague Comment
  UC61677  Chaenactis douglasii var. douglasii Geo. B. Grant 1902-9-1 5120 Siskiyou Horse Camp Mount Shasta 2438 Comment
  CAS-BOT-BC106043  Chaenactis suffrutescens A. A. Heller 1922-6-22 13671 Siskiyou Shasta Valley between Gazelle and Edgewood Comment
  JEPS8879  Chaenactis suffrutescens W. L. Jepson 1907-7-4 2809 Siskiyou Scott Valley Comment
  RSA608267  Chaenactis suffrutescens L. C. Wheeler 1935-6-15 3586 Siskiyou Greenview, Scott Valley. 884 Comment
  UC1220371  Chaenactis suffrutescens Arthur S. Weston 1963-7-6 1005 Siskiyou 4 mi n of Cecilville (road from Sawyer's Bar to Cecilville) 1219 Comment
  UC54082  Chaenactis suffrutescens H. M. Hall and E. B. Babcock 1903-6-1 4081 Siskiyou upper part of Shasta Valley; Sierra Nevada Mountains, Mount Shasta, Shasta Valley 1158 Comment
  UCD102288  Chamaebatiaria millefolium Daniel Sanchez-Mata; S. Rivas-Martinez, A. Penas and Sara del Rio 2011-7-16 s.n. Siskiyou Between Tenant and Lava Beds Mational Monument. Tenant Lava Beds Road. 1660 Comment
  HSC46341  Chamaecyparis lawsoniana J. P. Smith, Steve Selva 1970-7-15 4343 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  UCR110582  Chamaecyparis nootkatensis L. C. Wheeler 1963-8-25 8275 Siskiyou Preston Peak: Summit ridge 2134 Comment
  RSA124136  Chamaecyparis nootkatensis Al Hobart 1958-8-15 s.n. Siskiyou The Devil s Punch Bowl, 3-4 miles east of Del Norte co. line and 10 miles south of the Oregon-CA state line Comment
  SEINET7342597 Image available Chamaecyparis nootkatensis Steve Selva, Roger Jensen 1974-1 40 Siskiyou T16N, R5E, Sec 6. Collected in the environs of Devils Punchbowl. Comment
  JEPS24627  Chamaesaracha nana Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6780 Siskiyou near beginning road to Wagon Camp (just off Everitt Memorial Highway, lower slopes of Mt Shasta); Mt. Shasta 1737 Comment
  UCD102286  Chamaesaracha nana Daniel Sanchez-Mata; S. Rivas-Martinez, A. Penas and Sara del Rio 2011-7-16 s.n. Siskiyou Mount Shasta. Everett Memorial Highway to Mount Shasta. 2010 Comment
  UC1601872  Chamaesyce serpyllifolia Dr. Edward Palmer Jul 13 1892-Jul 27 1892 2584 Siskiyou vicinity Mount Shasta Comment
  UC61675  Chamaesyce serpyllifolia Geo. B. Grant September 1902 5068 Siskiyou Sisson Mount Shasta 914 Comment
  CAS-BOT-BC165981  Chamerion angustifolium L. R. Short 1933-8-7 114 Siskiyou Klamath National Forest. Marble Mts. 1798 Comment
  SBBG21790  Chamerion angustifolium D. Myrick 1964-7-25 947 Siskiyou Shasta Ski Bowl Hwy 1219 Comment
  HSC27789  Cheilanthes gracillima J. P. Smith, J. O. Sawyer 1972-9-13 5784 Siskiyou 0.5 mi. W of Cook and Green Pass on rd. to Lily Pad Lake. Comment
  JEPS75210  Chenopodium botrys W. B. and V. G. Cooke 1975-9-3 50487 Siskiyou Ash Creek Area Mt. Shasta (at Military Pass Rd.) Comment
  RSA478566  Chenopodium vulvaria L. C. Wheeler 1934-9-18 3277 Siskiyou Siskiyou Mts. Dutch Creek off Klamath River 701 Comment
  CAS-BOT-BC452258  Chimaphila umbellata John Thomas Howell 1937-7-26 13559 Siskiyou Caribou Gulch Comment
  POM131999  Chimaphila umbellata E. B. Copeland 1903-8-15 3828 Siskiyou Mt. Shasta 1829 Comment
  CAS-BOT-BC452257  Chimaphila umbellata W. R. Dudley 1901-8-24 s.n. Siskiyou Salmon Mountains, near camp Comment
  CDA38837  Chimaphila umbellata subsp. occidentalis F. D. Horn 1979-7-22 s.n. Siskiyou Duck Lake Creek near Etna. 0 Comment
  RSA138343  Chimaphila umbellata subsp. occidentalis Frederick W. Oettinger, R. F. Thorne 1969-8-7 1279 Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  UCD114614  Chorispora tenella David E. Bayer 1960-5-27 s.n. Siskiyou along irrigation ditch 0.25 mile south of road; in (west) ca. 1 mile on road originating at U.S. Highway 97, ca. 1 mile south of Macdoel and running around Meiss Lake, Butte Valley. 1280 Comment
  CAS-BOT-BC36382  Chrysolepis chrysophylla W. R. Dudley 1907-8-18 s.n. Siskiyou Moraine of Jacksons Lake Comment
  POM207242  Chrysolepis chrysophylla Marion Ownbey, Fred G. Meyer 1940-7-7 2213 Siskiyou Cayenne Ridge, Marble Mountain. Comment
  OBI55421  Chrysolepis chrysophylla var. chrysophylla David J. Keil 1992-7-20 23498 Siskiyou Klamath Natl Forest, SW of Fort Jones. Along forest Road 44N45, 8.1 mi S of Scott River Rd, 2.7 mi S of turnoff to Lover's CAmp Comment
  UC1333331  Chrysolepis sempervirens Dorothy Parker 1949-8-12 365 Siskiyou near Duck Lake Creek (Salmon Mountain); Siskiyou Mountains, Salmon Mountain 1524 Comment
  CAS-BOT-BC36237  Chrysolepis sempervirens C. H. Merriam 1898-9-1 s.n. Siskiyou north side of Mt. Shasta Comment
  UC60955  Cicuta douglasii Geo. B. Grant September 1902 5143 Siskiyou Mount Shasta Comment
  SBBG25817  Circaea alpina D. Myrick 1966-8-10 1524 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  RSA237661  Circaea alpina subsp. pacifica Frederick W. Oettinger 1968-8-11 480 Siskiyou Alder thicket near spring of Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  UC1584312  Cirsium andersonii Julie Kierstead 1990-7-18 90 -107 Siskiyou w of Gumboot Lake (on FS Rd. 40N26, Mt. Shasta R.D.); Mt. Shasta 1950 Comment
  CAS-BOT-BC277925  Cirsium canovirens T. C. Fuller 1979-10-3 20271 Siskiyou Both sides of Goosenest Road, 14 km. northeast of Tennant Comment
  CDA1183  Cirsium cymosum T. C. Fuller 1960-5-24 4342 Siskiyou 1.5 mi. E/ Yreka, N/ R.R. Comment
  OBI54130  Cirsium cymosum var. cymosum David J. Keil, Kathleen Keil 1992-7-21 23515 Siskiyou Klamath NF SE of Callahan on hwy 3, 2.1 mi NW of Scott Mtn summit Comment
  OBI60938  Cirsium cymosum var. cymosum B. Villegas 1999-6-8 s.n. Siskiyou Shasta Valley, Slough Rd approx 2 mi S of Louie Rd near I-5 Comment
  OBI54117  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-BC286469  Cirsium scariosum John Thomas Howell 1952-6-14 28334 Siskiyou Gazelle Comment
  CAS-BOT-BC439049  Cistanthe monosperma Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  CAS-BOT-BC439045  Cistanthe monosperma L. E. Smith 1913-7-12 463 Siskiyou Weed Comment
  UCR93364  Clarkia concinna Kathy Harper, Dane Karr 1994-6-14 s.n. Siskiyou Sierra Nevada Mtns., State Hwy 96, south of Happy Camp (at mi. Marker 13.96) 244 Comment
  RSA96726  Clarkia concinna subsp. concinna Lee W. Lenz 1953-5-17 18311 Siskiyou Salmon River, 1 1/4 mi. above junction with Klamath River 177 Comment
  UC630641  Clarkia gracilis subsp. gracilis Joseph P. Tracy 1939-4-29 16274 Siskiyou 3 mi n of mouth Salmon River (Somes Bar); Klamath River 243 Comment
  CAS-BOT-BC163183  Clarkia lassenensis Lewis S. Rose 1945-6-18 45081 Siskiyou Horse Creek & Klamath River 502 Comment
  JEPS25540  Clarkia lassenensis Rimo Bacigalupi with Lincoln Constance 1959-6-17 7157 Siskiyou 4 mi ne Weed (slopes across from junction of Big Springs Road with U.S. 97) 1066 Comment
  HSC16291  Clarkia lassenensis R. C. Wunner 1965-6-6 66 Siskiyou Lava Beds N.M., Indian Well area 1433 Comment
  CAS-BOT-BC163456  Clarkia purpurea subsp. quadrivulnera W. B. Cooke; V. G. Cooke 1972-6-30 45411 Siskiyou Military Pass Road above Andesite Crossing, Mt. Shasta Comment
  POM215736  Clarkia purpurea subsp. quadrivulnera Louis C. Wheeler 1935-6-27 3609 Siskiyou Greenview, Scott Valley. 884 Comment
  CAS-BOT-BC164980  Clarkia rhomboidea Julie Kierstead Nelson; Rhonda Posey 2007-6-15 2007 -017 Siskiyou North side of Mt. Shasta, south of Hwy. 97, along Forest Service Rd. 42N84; ca. 4 miles N E of town of Weed. NE of railroad trestle 1249 Comment
  HSC48274  Claytonia lanceolata P. Stekel, K. Stillman May 1977 239 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  CAS-BOT-BC443812  Claytonia rubra subsp. rubra L. E. Smith 1913-5-12 s.n. Siskiyou Dunsmuir Comment
  CAS-BOT-BC443831  Claytonia rubra subsp. rubra John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53399 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones 1249 Comment
  HSC46057  Claytonia rubra subsp. rubra Maralyn O'Meara 1974-5-25 418 Siskiyou On Rd. 8, ~4.7 mi. W of junction with Hwy. 3 1159 Comment
  UC224198  Claytonia rubra subsp. rubra H. E. Brown Jun 1 1897-Jun 10 1897 325 Siskiyou near Sisson 1083 Comment
  HSC30232  Claytonia rubra subsp. rubra William J. Ferlatte 1968-6-8 1131 Siskiyou Big Flat, near campground 1524 Comment
  HSC23687  Claytonia sibirica J. O. Sawyer 1971-7-15 2424 Siskiyou Along Red Rock Valley Creek 1585 Comment
  RSA232527  Claytonia sibirica Donald Myrick 1968-6-26 2026 Siskiyou In shade along upper waters of Coffee Creek, Trinity Alps. 1463 Comment
  RSA710970  Claytonia sibirica K. L. Chambers 1984-6-10 5138 Siskiyou Mt. Shasta City, Big Springs at the city park towards N end of city, W of old Hwy Comment
  RSA239285  Clematis ligusticifolia Frederick W. Oettinger 1966-7-16 32 Siskiyou N bank of S Fork of Salmon river, 100 yards downstreaam from Cecilville dump Comment
  SEINET3159191  Clematis ligusticifolia G. D. Butler 1910-8-3 1810 Siskiyou Yreka creek Comment
  UC375266  Clematis ligusticifolia Geo. D. Butler 1908-7-30 526 Siskiyou along creek near Yreka Comment
  CHSC95116  Clintonia uniflora L. P. Janeway 2006-7-2 8741 Siskiyou Klamath Ranges. Salmon Mountains; headwaters of West Fork Whites Gulch, a tributary of North Fork Salmon River from the south; between sharp switchbacks of Road 40N61. Steep north-facing slope just above alder-shaded creek. 1561 Comment
  RSA593952  Clintonia uniflora Louis C. Wheeler 1963-8-29 8305 Siskiyou Siskiyou Mountains. Head of west fork Clear Creek. 1432 Comment
  CAS-BOT-BC500962  Clintonia uniflora Philip A. Munz 1952-7-1 17861 Siskiyou Baldy Mountain road, northwest of Happy Camp, Siskiyou Mountains 1219 Comment
  CAS-BOT-BC500969  Clintonia uniflora Geo. D. Butler 1908-8-4 98 Siskiyou Near Cold Spring Wooley Creek Comment
  HSC72473  Collinsia rattanii J. P. Smith 1973-5-5 6462 Siskiyou Along Cook and Green Pass Rd. Comment
  UC164319  Collinsia rattanii Geo. D. Butler 1909-4-14 651 Siskiyou Humbug Road Comment
  RSA237558  Collinsia rattanii Frederick W. Oettinger 1968-9-9 794 Siskiyou Northeast of Tom's Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA145235  Collinsia torreyi var. latifolia Dorothy Parker 1958-7-30 686 Siskiyou Above Taylor Hole, Salmon Mts. 2012 Comment
  RSA211393  Collinsia torreyi var. latifolia William J. Ferlatte 1966-7-7 193 Siskiyou Caribou Basin. Trinity Alps. 1982 Comment
  RSA237556  Collinsia torreyi var. latifolia Frederick W. Oettinger 1969-7-11 977 Siskiyou Due west of northwest end of Hancock Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness. 1951 Comment
  UC195221  Collinsia torreyi var. latifolia Annie M. Alexander and Louise Kellogg 1911-7-16 253 Siskiyou South Fork Salmon River 914 Comment
  CHSC71490  Collomia grandiflora Vernon H. Oswald; Lowell Ahart 1998-7-21 9317 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
  HSC67834  Collomia grandiflora J. O. Sawyer, J. Cole 1980-7-22 3922 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  JEPS84248  Collomia grandiflora L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6312 Siskiyou just s state line (n-facing road bank of Indian Camp Road from Takilma to Happy Camp) Comment
  UC933390  Collomia grandiflora Annie M. Alexander and Louise Kellogg 1948-9-7 5590 Siskiyou at fork of road from Cecilville to First Lookout; Black Bear Summit 1524 Comment
  POM65612  Collomia grandiflora E. B. Copeland 1903-8-12 3932 Siskiyou Sisson. Comment
  UCD77564  Collomia tinctoria Robert E. Preston 2001-7-21 1733 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, Rainbow Mountain. 2158 Comment
  CAS-BOT-BC94909  Collomia tinctoria R. C. Wenk 2005-7-16 251 Siskiyou Trinity Alps, above S Fork of Salmon River, S end of Big Flat Meadow 1493 Comment
  HSC19052  Collomia tinctoria J. O. Sawyer 1969-7-16 1134 Siskiyou Summit NE of Waterdog Lake 2332 Comment
  HSC45974  Collomia tracyi J. P. Smith, Steve Selva 1970-6-15 3898 Siskiyou Oak Bottom Campground near Somes Bar. 229 Comment
  SEINET516295  Conium maculatum Vernon H. Oswald 1998-9-16 9644 Siskiyou Vista Point on Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 8.7 mi E of Hwy. 97. 1244 Comment
  POM21381  Convolvulus arvensis George B. Grant 1902-9-13 s.n. Siskiyou Sisson. Comment
  CAS-BOT-BC286039  Conyza canadensis Wm. Bridge Cooke 1938-7-29 11383 Siskiyou Mount Shasta. Howard Comment
  HSC497  Corallorhiza maculata William J. Ferlatte 1966-8-5 324 Siskiyou N side of Caribou Mtn. 1982 Comment
  UC63990  Corallorhiza maculata Geo. B. Grant September, 1902 5155 Siskiyou Mount Shasta 1219 Comment
  UC1299376  Corallorhiza mertensiana Freed W. Hoffman 1948-8-7 2661 Siskiyou between West Branch Public Camp and California-Oregon state line (Waldo-Happy Camp Rd.); North Coast Ranges Comment
  HSC104273  Corallorhiza striata Samantha E. Andres 2016-6-5 19 Siskiyou About 2.5 mi. on the Doe Flat Trail from the parking lot 1229 Comment
  UC1607574  Cordylanthus tenuis Barbara Ertter 1990-7-14 9348 Siskiyou Wagon Creek on E side of Mt Eddy, ca 4 airmiles W. of Mt Shasta City 1767 Comment
  CHSC105581  Cordylanthus tenuis subsp. pallescens Barbara L. Wilson; Richard E. Brainerd 2010-8-9 16280 Siskiyou Road to trailhead for Black Butte trail. Lat. and Long. indicated +/- 36 feet. 1353 Comment
  JEPS57501  Cordylanthus tenuis subsp. viscidus L. R. Heckard with T. I. Chuang and R. Bacigalupi 1968-8-13 2123 Siskiyou just a mile over s of downtown Dunsmuir (along Dunsmuir Ave) 822 Comment
  SBBG100088  Cordylanthus tenuis subsp. viscidus G. T. Robbins, C. L. Custer 1954-8-13 4795 Siskiyou lower part of grade over Scott Mtn, on rd from Callahan to Carrville, 1.2 mi above (and S of) jct with Gazelle Rd 1097 Comment
  CAS-BOT-BC212277  Cornus glabrata A. M. Vollmer; L. Beane 1951-6-2 45 Siskiyou Klamath River Highway, between U.S. 99 & Gottville Comment
  CDA38550  Cornus glabrata F. D. Horn & J. Shaw 1973-6-25 s.n. Siskiyou Klamath River. 0 Comment
  HSC30467  Cornus nuttallii Frederick W. Oettinger 1969-8-12 1336 Siskiyou Salmon Mtns., near 'The Cedars' homestead, 2 mi. up main N Fork Trail from mule Bridge enroute to English Lake. 960 Comment
  SD76143  Cornus nuttallii Helen V. Witham 1969-10-7 588 Siskiyou 3.0 miles south of Scott's Bar. 500 Comment
  UC875888  Cornus nuttallii Alice Eastwood 1912-9-4 2095 Siskiyou Sisson Comment
  CAS-BOT-BC210422  Cornus sericea L. E. Smith 1913-5-27 296 Siskiyou Weed Comment
  HSC19269  Cornus sericea subsp. sericea J. O. Sawyer 1968-7-10 488 Siskiyou Lower slopes grading to terrace of a temporary stream. 1768 Comment
  UC375259  Corylus californica Geo. D. Butler 1909-3-21 564 Siskiyou near Oro Fino Comment
  JEPS124700 Image available Corylus cornuta subsp. californica Rechen 1964-7-8 90 Siskiyou Fowlers Camp. Lower falls. McCloud River just off HW 89. Comment
  POM270390  Corylus cornuta var. californica Lyman Benson 1929-3-26 1070 Siskiyou Shoulder of Mt. Shasta Pacific Highway. Comment
  CDA39610  Corylus cornuta var. californica T. C. Fuller, D. H. Shaw 1974-9-24 20037 Siskiyou Pacific Crest Trail, summit of the Siskiyou Mountains, east of White Mountain. 0 Comment
  JEPS93879  Crepis acuminata Vernon H. Oswald and Lowell Ahart 1998-7-21 9319 Siskiyou Highway 97 at the 11.0 mi marker 1.2 mi w of A12 ne of Weed; Highway 97. 1188 Comment
  UCR37825  Crepis acuminata K. T. Stillman 1976-7-15 247 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  CAS-BOT-BC291527  Crepis intermedia John Thomas Howell 1939-8-4 15041 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  CAS-BOT-BC299652  Crepis monticola Geo. D. Butler 1910-5-1 148 Siskiyou Near Yreka Comment
  CAS-BOT-BC376530  Crepis monticola Alice Eastwood; John Thomas Howell 1937-6-26 5032 Siskiyou Near Etna Comment
  CAS-BOT-BC290881  Crepis pleurocarpa John Thomas Howell 1939-8-2 14867 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CHSC33064  Crepis pleurocarpa Maralyn A. Renner 1980-8-21 2602 Siskiyou Klamath National Forest. Southwest of trail from Leroy Mine to Sunrise Basin, near ridge. 2286 Comment
  HSC66397  Crepis pleurocarpa Maralyn A. Renner 1980-8-21 2602 Siskiyou SW of trail from Leroy Mine to Sunrise Basin near ridge 2287 Comment
  CAS-BOT-BC299729  Crocidium Douglas Horn 1938-4-17 35 Siskiyou East of Etna 1066 Comment
  JEPS93823  Crocidium multicaule Vernon H. Oswald and Lowell Ahart 1998-6-11 9197 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on the s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  SEINET7073599  Crocidium multicaule A. G. Vestal 1955-5-18 s.n. Siskiyou About 2.2 miles southeast of Dorris on US Route 97. UTM Zone 10, 588147mE, 4642648mN. Coordinate datum: NAD27. Comment
  JEPS84098  Cryptantha affinis L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6313 Siskiyou from Takilma to Happy Camp (Indian Creek Road, just s of state line) Comment
  UC726463  Cryptantha affinis A. A. Heller 1919-6-30 13287 Siskiyou near Durney's Mill Comment
  JEPS67602  Cryptantha flaccida Geo. D. Butler 1909-5-10 734 Siskiyou near Yreka Comment
  JEPS25598  Cryptantha torreyana Rimo Bacigalupi 1959-7-2 7230 Siskiyou near n base of Caribou Mtn. (headwaters of South Fork of the Salmon River, just s of low divide (Trinity Co. boundary) separating Coffee Creek drainage from that of Salmon River); South Fork of the Salmon River, Big Flat Campground 1508 Comment
  POM228969  Cryptantha torreyana L. C. Wheeler 1935-5-26 3531 Siskiyou Yreka Creek, Siskiyou Mts. 915 Comment
  SBBG30582  Cryptantha torreyana D. Myrick 1968-6-25 2024 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk, Trinity Alps 1524 Comment
  UC402803  Cryptantha torreyana Annie M. Alexander and L. Kellogg 1911-7-13 123 Siskiyou 6 mi nw Callahan Comment
  RSA47775  Cryptantha torreyana Roxana S. Ferris, Laura Lorraine 1948-6-12 11853 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side. 1418 Comment
  UC1212566  Cryptantha torreyana Francia Chisaki and Helen Sharsmith 1959-8-20 4732 Siskiyou divide between Scott River and East Fork of Salmon River; Inner North Coast Ranges, Carrigher Summit 1981 Comment
  CAS-BOT-BC70482  Cryptogramma acrostichoides Louis C. Wheeler 1934-8-2 3017 Siskiyou Alex Hole, Alex Canyon, Siskiyou Mts. 1889 Comment
  HSC65356  Cryptogramma acrostichoides Rich White 1978-7-3 212 Siskiyou Saddle in Spur Ridge between Dillon Trail and 5759 1662 Comment
  RSA577156  Cryptogramma acrostichoides L. C. Wheeler 1934-8-2 3017 Siskiyou Alex Hole, Alex Canyon 1890 Comment
  SD76175  Cryptogramma cascadensis Helen V. Witham 1969-10-9 611 Siskiyou Panther Meadow, Mt. Shasta 2400 Comment
  CAS-BOT-BC80543  Cupressus bakeri Oliver V. Matthews 1939-7-3 19 Siskiyou Sullivan Mine Grove; Cook and Green Region 1219 Comment
  CAS-BOT-BC80547  Cupressus bakeri O. V. Matthews 1939-7-11 30 Siskiyou Nearly the highest point of Seiad Grove, Seiad Region 1463 Comment
  CAS-BOT-BC80552  Cupressus bakeri Oliver V. Matthews 1939-7-11 31 Siskiyou Seiad Grove 1463 Comment
  JEPS48247  Cupressus bakeri Louis C. Wheeler 1935-4-14 3417 Siskiyou West Fork Seiad Creek Siskiyou Mts. 1158 Comment
  POM203790  Cupressus bakeri J. T. Howell 1934-7-4 12386 Siskiyou Between Timbered Crater and Little Hot Springs Valley Comment
  RSA22764  Cupressus bakeri O. V. Matthews 1939-7-13 34 Siskiyou NW slope of Goose Nest, E of Yreka. 1524 Comment
  UC1321450  Cupressus bakeri C. O. Stone 1964-6-20 290 Siskiyou n section line crossing of Sec. 13 (on w side of jeep road, NE 1/4, NE 1/ 4, NE 1/ 4); Fall River Mills. Quad. 1085 Comment
  SEINET8253674  Cupressus bakeri Frank Callahan, John Erwin 1998-8-8 Siskiyou Goosenest Mtn. GrassLake 7.5' Quad; south of Ball Mtn./Little Shasta Rd.; (uphill south of Smith's Sawmill [Historical]). 1676 Comment
  NY1292  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
  SEINET10754947  Cupressus lawsoniana Andrew Townesmith, Karen M. Meyer 2007-7-28 Townesmith 864 Siskiyou Shasta-Trinity National Forest. Along Forest Service route 26, 4.1 miles west of forest boundary. T39N R5W S10. 1277 Comment
  CAS-BOT-BC85554  Cupressus macnabiana Thos. H. Harris 1951-6-1 s.n. Siskiyou On Klamath River 3 miles west of bridge on Highway 99 Comment
  SEINET3101790  Cuscuta campestris Rob Wilson 2010-9-8 s.n. Siskiyou Near Tulelake. Comment
  HSC45202  Cycladenia humilis J. Sawyer, E. Cope 1977-6-21 2977 Siskiyou Near Prescott Peak. 1677 Comment
  JEPS39348  Cynoglossum occidentale W. L. Jepson 1894-7 21075 Siskiyou Sisson Comment
  CAS-BOT-BC114151  Cyperus squarrosus Carl B. Wolf 1927-8-26 993 Siskiyou On the Klamath River, 5 mi below Hornbrook. Comment
  UC13537  Cypripedium californicum W. C. Blasdale July, 1899 1077 Siskiyou Siskiyou Mountains Comment
  HSC36425  Cystopteris fragilis J. O. Sawyer 1969-8-4 1876 Siskiyou S of S Sugar Lake 2104 Comment
  CAS-BOT-BC70717  Cystopteris fragilis Louis C. Wheeler 1934-7-5 2879 Siskiyou Klamath Forest, Deer Creek 1676 Comment
  CAS-BOT-BC70720  Cystopteris fragilis Gilbert Muth 1965-8-3 s.n. Siskiyou Pothole in Marble, Marble Valley Comment
  UCD60195  Dactylis glomerata S. P. Lynch 1975-3-25 1382 Siskiyou 16.3 miles NE of Happy Camp on Hwy. 96. Comment
  CAS-BOT-BC192256  Danthonia californica John Thomas Howell 1939-8-5 15076 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  JEPS25668  Danthonia californica Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7311 Siskiyou just e Del Norte County line (4 air-line mi nne of Preston Peak); Siskiyou Mts., watershed of Indian Creek, Twin Valley 1493 Comment
  UC1025011  Danthonia californica Leo Whitney 1935-7-15 3482 Siskiyou 2 mi se Medicine Lake; Bullseye Lake Comment
  UCD60527  Danthonia californica var. americana R. Tofsrud 1948-8-3 s.n. Siskiyou Summit of road from Happy Camp, Siskiyou Co. to O'Brien, Oregon. Comment
  HSC19072  Danthonia intermedia subsp. intermedia J. O. Sawyer 1969-8-4 1797 Siskiyou Above Sugar Lake 2134 Comment
  HSC44949  Danthonia unispicata J. O. Sawyer 1978-6-17 3233 Siskiyou Marble Mtn. Wilderness Area, slopes E of Gem Lake 2073 Comment
  CAS-BOT-BC76230  Darlingtonia californica Doris K. Kildale 1929-8-25 9019 Siskiyou Near Youngs Valley on trail to Preston Peak. 1524 Comment
  RSA593948  Darlingtonia californica Louis C. Wheeler 1963-9-1 8329 Siskiyou Siskiyou Mountains. West side Clear Creek ca. 1/2 mi. upstream from Trout Camp 1037 Comment
  RSA60637  Darlingtonia californica I. L. Wiggins 1950-5-28 12370 Siskiyou Above Grouse Creek, about 1.5 miles from Carmen Lake. 1585 Comment
  UC60964  Darmera peltata Geo. B. Grant Sep 1902 5185 Siskiyou Dunsmuir; Mount Shasta 609 Comment
  HSC74082  Daucus carota J. P. Smith, J. O. Sawyer 1978-7-3 10010 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  CAS-BOT-BC9572  Delphinium antoninum Alice Eastwood; John Thomas Howell 1937-6-26 5036 Siskiyou Salmon Mts., 10 miles SW of Etna Comment
  HSC69421  Delphinium glaucum John Palmer 1980-8-13 772 Siskiyou Klamath National Forest, Dead Cow Creek near F.S. Rd. 47N44 from Beaver Creek Rd. 1616 Comment
  UC467749  Delphinium glaucum Annie M. Alexander and L. Kellogg 1911-7-30 304 Siskiyou Hd. Rush Cr. 1950 Comment
  UC854164  Delphinium nudicaule Louis C. Wheeler 1935-5-26 3532 Siskiyou Yreka Creek Siskiyou Mts. 914 Comment
  CDA24250  Delphinium nudicaule D. Osterhandt, Don Shaw 1978-3-31 Siskiyou Between Forks of Salmon and Somes Bar. 0 Comment
  HSC44963  Delphinium nuttallianum J. O. Sawyer 1978-6-21 3279 Siskiyou Marble Mtn. Wilderness Area, along trail N of Clear Lake 1951 Comment
  UC618686  Delphinium nuttallianum W. Bridge Cooke 1938-7-1 11156 Siskiyou near Wagon Camp (lower end of the Wagon Camp meadow along stream and road side); Mt. Shasta Comment
  HSC26549  Deschampsia cespitosa J. P. Smith, Steve Selva 1970-7-18 4482 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  POM211252  Deschampsia cespitosa subsp. cespitosa L. C. Wheeler 1934-8-14 3128 Siskiyou North side White Mountain; Siskiyou Mountains. Mt. Diablo Mer. 1767 Comment
  UC651085  Deschampsia cespitosa subsp. cespitosa L. Whitney 1933-8-2 Siskiyou Slate Creek Comment
  JEPS94257  Deschampsia danthonioides Vernon H. Oswald and Lowell Ahart 1998-6-11 9223 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
  RSA184789  Deschampsia elongata Gilbert Muth 1966-7-18 415 Siskiyou Marble Gap Trial, Meadow above Marble valley; Marble Mountains 183 Comment
  RSA757370  Deschampsia elongata Barbara Ertter 1990-7-14 9335 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4 air miles west of Mt. Shasta City 1829 Comment
  HSC90911  Descurainia incisa subsp. incisa Jennifer Whipple 1976-7-9 1381 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2195 Comment
  UC165737  Descurainia pinnata subsp. halictorum Geo. D. Butler 1909-6-12 895 Siskiyou McAdams Creek Comment
  CDA3688  Descurainia sophia T. C. Fuller 1958-4-17 4821 Siskiyou 4 miles east of Yreka. 0 Comment
  JEPS107484  Descurainia sophia Lowell Ahart, John Dittes 2005-6-9 12054 Siskiyou Meadow area along a small drainage, along the sides 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
  UC1034067  Descurainia sophia unknown 1941-7-11 16044 Siskiyou vicinity MacBride Springs (along the Memorial Highway); Mount Shasta Comment
  CAS-BOT-BC43521  Descurainia sophia Wm. Bridge Cooke 1941-7-11 16044 Siskiyou Mount Shasta. In the vicinity of MacBride Springs and along the Memorial Highway. 1524 Comment
  HSC61206  Dicentra formosa Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  HSC629  Dicentra formosa William J. Ferlatte 1966-7-7 218 Siskiyou N side of Caribou Mtn., near Browns Meadow 1982 Comment
  RSA433580  Dicentra formosa subsp. formosa Chadwick, Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  CAS-BOT-BC402592  Dicentra uniflora Wm. Bridge Cooke 1938-6-24 11107 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  CAS-BOT-BC254471  Dichanthelium acuminatum subsp. acuminatum Melissa A. Berry 1957-7-8 s.n. Siskiyou N Fork of the Salmon River, old Aromas Mine road, off Somes Bar-Etna Road 609 Comment
  UC375155  Dichelostemma multiflorum Geo. D. Butler 1909-7-20 887 Siskiyou Highland Mine Salmon Range 1828 Comment
  CHSC69473  Dieteria canescens var. shastensis James D. Jokerst 1992-7-30 3421 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. Comment
  UC830810  Dieteria canescens var. shastensis Alice Eastwood 1921-7-28 10911 Siskiyou Medicine Lake Comment
  CAS-BOT-BC291022  Dieteria canescens var. shastensis Wm. Bridge Cooke 1938-8-5 11439 Siskiyou Mount Shasta. MacBridge Spring Road Comment
  CAS-BOT-BC291025  Dieteria canescens var. shastensis John Thomas Howell 1937-7-29 13678 Siskiyou North slope of Scott Mts. 1676 Comment
  HSC76730  Dieteria canescens var. shastensis K. T. Stillman 1976-8-8 392 Siskiyou Marble Mtn. Wilderness Area, ridge W of jump off. 2073 Comment
  SBBG16031  Diplacus jepsonii D. Myrick 1961-6-22 318 Siskiyou St Hwy 89 near McCloud 914 Comment
  SEINET13701295  Diplacus jepsonii D. M. Thompson 1988-1 932 Siskiyou Along Hwy 89, SW corner of jct of Bigelow Meadows Road and Hwy 89, opposite Hwy 89 from FR 40N16, 2.4 miles W of turnoff for Cattle Camp Road; 2.0 mile W of USFS Ash Creek Station, 8.0 miles E of McCloud. 1097 Comment
  CAS-BOT-BC153653  Diplacus jepsonii Alice Eastwood 1912-7-16 1143 Siskiyou [Mc Cloud] McCloud Comment
  SEINET208779  Diplacus layneae Johnnie L. Gentry Jr., Earl Jensen Jr. 1968-1 2116 Siskiyou 5 mi N of Mt Shasta at Black Butte on old highway 1195 Comment
  CHSC30092  Disporum hookeri M. S. Taylor; J. Prouty 1980-6-26 2985 Siskiyou On e side of Grizzley Peak Rd (39N06.3), ca. 6 mi due s of Algoma campground and Hwy 89. 1554 Comment
  HSC19142  Dodecatheon alpinum J. O. Sawyer 1969-7-16 1141 Siskiyou W of Waterdog Lake 2073 Comment
  HSC61774  Dodecatheon alpinum Ruby Van Deventer Siskiyou Poker Flat 1585 Comment
  HSC33972  Dodecatheon hendersonii J. P. Smith 1974-5-25 7463 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  UC165293  Dodecatheon hendersonii Geo. D. Butler 1910-4-23 1230 Siskiyou Quartz Valley Comment
  RSA78680  Dodecatheon hendersonii P. A. Munz 1952-7-2 17873 Siskiyou Baldy Mt. Road, NW of Happy Camp, Siskiyou Mts. 1494 Comment
  CAS-BOT-BC26728  Downingia bacigalupii John H. Weiler; Andrew Phillips Nelson 1960-6-24 60205 Siskiyou Side of Dorris-Beswick road, 207 miles SW of the California-Oregon border. Comment
  UC1188733  Downingia montana John H. Weiler 1959-6-27 59206 Siskiyou 7.6 mi nw Shasta-Siskiyou County line (along State Highway 89) Comment
  RSA181958  Downingia montana John Weiler, Lincoln Constance, E. Moleseed 1960-6-15 60178 Siskiyou Beside railroad tracks about 300 ft. off Hwy 99 just N of the bridge over the Sacramento River at the N end of Lake Shasta (Antler Resort area.) Comment
  SBBG25839  Downingia yina D. Myrick 1966-8-8 1475 Siskiyou Mountain Meadow Ranch, Big Flat Comment
  POM208274  Downingia yina L. C. Wheeler 1934-7-3 2870 Siskiyou Soda Creek, Sterling Mt.; Siskiyou Mts.; Mt. Diablo Meridian. 1677 Comment
  CAS-BOT-BC41818  Draba breweri William Bridge Cooke 1940-7-26 15383 Siskiyou Mount Shasta. On the west side of Shastina above Merriam's timberline. 2895 Comment
  CAS-BOT-BC41757  Draba howellii John Thomas Howell 1939-8-10 15249 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  JEPS53503  Draba howellii Geo. D. Butler 1908-8-8 33 Siskiyou Marble Valley 1676 Comment
  JEPS84107  Draba howellii L. R. Heckard with J. Hickman et al. 1986-7-17 6462 Siskiyou ca 5 mi n of the town Seiad Valley (s of Lily Pad Lake, trail up Kangaroo Peak); s of Lily Pad Lake, Kangaroo Peak, n of Seiad Valley Comment
  RSA237375  Draba howellii Frederick W. Oettinger 1969-8-25 1544 Siskiyou Near English Peak Trail. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  RSA237280  Draba howellii Frederick W. Oettinger 1968-9-1 646 Siskiyou South of Abbott s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  HSC29186  Draba pterosperma Frederick W. Oettinger 1968-8-22 601 Siskiyou Salmon Mtns., Marble Mtn. Wilderness Area, cliffs above English Lake to Diamond Lake trail on English Lake side of pass 2226 Comment
  CAS-BOT-BC41409  Draba verna L. E. Smith 1913-3-26 24 Siskiyou Yreka near depot. Comment
  OBI15089  Draba verna J. Applegarth 1970-4-11 s.n. Siskiyou 914 Comment
  UCD115562  Draba verna Iris Coonrod 1963-4-1 s.n. Siskiyou Coonrod Ranch, Montague. 914 Comment
  UCD168827  Drosera rotundifolia Barry Rice 2015-9-6 BR 150902 Siskiyou East of Caldwell Fen. 2025 Comment
  UC1409375  Drymocallis glandulosa var. glandulosa Frederick W. Oettinger and R. F. Thorne 1969-8-5 1209 Siskiyou Willow Spring on English Lake trail Marble Mountain Wilderness Area, Salmon Mountains (High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area, western Siskiyou County) 1676 Comment
  JEPS96932  Drymocallis lactea var. austiniae Dean W. Taylor 1996-7-25 15844 Siskiyou Scott Mtns.; Crater Lake, in cirque above upper lake (about 10 air miles west of Weed); Klamath National Forest Comment
  UC903240  Drymocallis lactea var. austiniae Mrs. H. P. Bracelin 1931-6-21 462 Siskiyou above Dobkins Lake (n side Mount Eddy); n side Mount Eddy above Dobkins Lake 2042 Comment
  UC1187074  Drymocallis rhomboidea David D. Keck 1940-6-13 5178 Siskiyou 9 mi s Macdoel (on U.S. 97 between Dorris and Weed); s of Macdoel, btw Dorris and Weed 1463 Comment
  CAS-BOT-BC113723  Eleocharis acicularis Louis C. Wheeler 1934-6-29 2827 Siskiyou Mucky, sunny meadow in Soda Creek, Sterling Mt. 1280 Comment
  HSC26910  Eleocharis acicularis J. P. Smith, J. O. Sawyer 1971-9-17 4776 Siskiyou Shallow water at edge of Little Duck Lake Comment
  HSC30717  Eleocharis bella Frederick W. Oettinger 1968-9-3 673 Siskiyou Marble Mtn. Wilderness Area, N side of Horse Range Lake 1822 Comment
  UCSB63910  Eleocharis engelmannii Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou East side of Forest Route 15, 10.9 mi. north of Hwy. 89; T41N R2E Sect. 18, Lodgepole Pine Forest 1383 Comment
  RSA238944  Eleocharis quinqueflora Frederick W. Oettinger 1969-8-19 1453 Siskiyou Along the ridge between David Mountain and Abbotts Lake Basin and on old Tanners Peak trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  POM111783  Eleocharis radicans Geo D. Butler 1910-7-12 1743 Siskiyou Shackleford Creek. 1220 Comment
  CAS-BOT-BC197359  Elymus Louis C. Wheeler 1934-8-14 3132 Siskiyou White Mountain: North side 1767 Comment
  RSA119382  Elymus elymoides S. S. Tillett 1956-7-11 699 Siskiyou just north of campground, Scott Mtn., divide; Siskiyou-Trinity co. line, ca. 8 mi. se. of Callahan 1631 Comment
  RSA211381  Elymus elymoides William J. Ferlatte 1966-8-2 243 Siskiyou Trinity Alps; Big Flat. wooded area near public camp. 1524 Comment
  RSA238987  Elymus elymoides Frederick W. Oettinger 1969-9-2 1583 Siskiyou Crapo Meadow near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  UC1024710  Elymus elymoides subsp. elymoides Leo Whitney 1934-6-20 2134 Siskiyou 35 mi sw Tennant; Shasta National Forest 1524 Comment
  HSC108  Elymus elymoides var. californicus William J. Ferlatte 1966-8-2 243 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  HSC22446  Elymus elymoides var. elymoides J. O. Sawyer 1969-7-18 1434 Siskiyou SW facing slope above Deacon Lee Trail 2195 Comment
  HSC67772  Elymus elymoides var. elymoides J. O. Sawyer, J. Cole 1980-7-20 3799 Siskiyou E side of Grouse Hill 2134 Comment
  LA14810  Elymus glaucus Louis C. Wheeler; 1934-4-14 3143 Siskiyou Siskiyou Mountains, E end White Mt 1767 Comment
  LA14818  Elymus glaucus Jason Swallen; 1939-7-28 13784 Siskiyou Mount Shasta, MacBride Springs 1523 Comment
  HSC45893  Elymus glaucus Laura Witherspoon 1978-8-10 74 Siskiyou Klamath National Forest. In cut block on Ball Mtn. Comment
  RSA126910  Elymus glaucus H. S. Yates 1936-6-20 5807 Siskiyou Siskiyou Summit 1372 Comment
  CAS-BOT-BC206597  Elymus glaucus subsp. glaucus L. R. Short 1933-6-8 75323 Siskiyou Badger Creek, Klamath Forest 731 Comment
  CAS-BOT-BC206598  Elymus glaucus subsp. glaucus Wm. Bridge Cooke 1938-8-19 11527 Siskiyou Lower Bear Spring, Mount Shasta 1524 Comment
  HSC103013  Elymus multisetus J. P. Smith 2014-6-6 13870 Siskiyou Roadside along State Route 96 at access to the Klamath River 306 Comment
  HSC38842  Elymus multisetus J. P. Smith, Steve Selva 1970-6-15 3949 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  RSA198621  Elymus multisetus Geo D. Butler 1910-7-3 1632 Siskiyou Goosenest Foothills 1220 Comment
  RSA273424  Elymus multisetus J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1934-7-4 5734 Siskiyou 2.0 miles south of Sugar Creek on Parrot Mill Road 1341 Comment
  UC70717  Elymus multisetus T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UCD62473  Elymus multisetus Louis C. Wheeler 1934-10-21 3328 Siskiyou Shasta Valley, 4 miles E Grenada. 868 Comment
  JEPS68380  Elymus trachycaulus Geo. D. Butler 1909-6-28 850 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC392231  Enemion stipitatum L. E. Smith 1913-3-26 22 Siskiyou Yreka, back of Catholic Cemetery Comment
  JEPS89972  Epilobium anagallidifolium Dean W. Taylor 1975-8-14 5453 Siskiyou between Shasta Ski area and Green Butte (Mt. Shasta); Mt. Shasta 2590 Comment
  UCD77628  Epilobium anagallidifolium Robert E. Preston 2001-7-21 1722 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 2066 Comment
  POM251085  Epilobium angustifolium subsp. circumvagum W. Bridge Cooke 1938-8-22 11329 Siskiyou Mt. Shasta 1433 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
  RSA183680  Epilobium angustifolium var. macrophyllum Gilbert Muth 1965-8-4 164 Siskiyou Near the Marble, Marble Valley, Marble Mountains Comment
  HSC69374  Epilobium brachycarpum J. O. Sawyer, J. Cole 1980-7-19 3678 Siskiyou Near FS Rd. 45N0 2018 Comment
  POM248153  Epilobium brachycarpum W. Bridge Cooke 1939-7-13 13683 Siskiyou Mount Shasta: along the Sisson Southern Trail. 1372 Comment
  POM258622  Epilobium brachycarpum W. Bridge Cooke 1940-7-12 15341 Siskiyou Mount Shasta: along the Memorial Highway below MacBride Springs. 1524 Comment
  RSA768924  Epilobium ciliatum subsp. ciliatum L. Ahart, John Dittes 2010-7-30 16952 Siskiyou Edge of the Shasta River, about 50-100 yards from the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 air miles southwest of Big Springs Lake, 4.6 air miles northwest of Dwinnel Dam, 5.7 air miles southeast of Grenada. 717 Comment
  UC144354  Epilobium ciliatum subsp. ciliatum Copeland 1903-7-7 3548 Siskiyou Hornbrook Comment
  UC422939  Epilobium ciliatum subsp. ciliatum H. W. Furlong Sept. 1901 Siskiyou Summit to Ager Comment
  RSA8242  Epilobium ciliatum subsp. ciliatum Elmer I. Applegate 1923-8-21 3917 Siskiyou Willow Creek, south of Lower Klamath Lake Comment
  RSA264969  Epilobium ciliatum subsp. glandulosum G. L. Clifton 1975-7-28 s.n. Siskiyou Near Cook and Green Pass near the Seiad Valley. 1646 Comment
  HSC29135  Epilobium ciliatum subsp. glandulosum Frederick W. Oettinger 1968-9-6 766 Siskiyou Salmon Mtns., Upper Meadow, Tobacco Lake 1890 Comment
  UC1096797  Epilobium glaberrimum subsp. glaberrimum H. K. Wagnon 1957-8-11 1711 Siskiyou along crk. 1 mi n junction with Military Pass Rd; North Coast Ranges, Mt. Shasta, Ash Cr. Comment
  HSC24698  Epilobium glaberrimum subsp. glaberrimum J. O. Sawyer 1969-7-26 1592 Siskiyou Along Sugar Creek 1707 Comment
  POM259013  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1940-8-8 15434 Siskiyou Mount Shasta: Along Squaw Valley Creek 2287 Comment
  HSC29171  Epilobium lactiflorum Frederick W. Oettinger 1969-9-2 1595 Siskiyou Marble Mtn. Wilderness Area, N side of English Peak 2165 Comment
  UC1045238  Epilobium lactiflorum W. Bridge Cooke 1940-7-5 15291 Siskiyou along upper Wagon Camp Creek Mount Shasta Comment
  HSC29148  Epilobium lactiflorum Frederick W. Oettinger 1968-8-4 388 Siskiyou Marble Mtn. Wilderness Area, along trail N of Crapo Peak Ridge 2195 Comment
  HSC61787  Epilobium luteum Ruby Van Deventer 27 Jul [year missing] Siskiyou Poker Flat 1585 Comment
  JEPS84191  Epilobium obcordatum L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6405 Siskiyou cirque at head of canyon Hell's Canyon (ca 5 mi n of town of Seiad Valley) 1750 Comment
  CAS-BOT-BC171835  Epilobium oreganum A. A. Heller 1914-8-25 11712 Siskiyou Deetz Station near Black Butte 1158 Comment
  SEINET182276 Image available Equisetum hyemale L. C. Wheeler 1934-7-12 2902 Siskiyou Cottonwood Creek Siskiyou Mtns 1220 Comment
  CHSC91391  Equisetum laevigatum Lowell Ahart; John Dittes 2005-6-10 12107 Siskiyou Steep slope, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  UC371170  Equisetum laevigatum G. D. Butler 1909-5-22 879 Siskiyou Yreka Comment
  CDA2080  Eragrostis curvula William J. Ferlatte 1989-11-8 Siskiyou Southbound I-5 at Grenada off-ramp, 0.4 miles north of Grenada. 0 Comment
  CHSC111279  Eragrostis minor R. E. Brainerd 2010-8-6 1734 Siskiyou Weed. South Davis Avenue ca. 200 feet south of the elementary school. UTM Zone 10 551712E 4586236N. 1082 Comment
  HSC36423  Eremogone congesta J. O. Sawyer 1969-6-12 935 Siskiyou Along Duck Lake trail 1905 Comment
  CAS-BOT-BC168327  Eremogone congesta var. congesta Doris K. Kildale 1928-7-4 5483 Siskiyou Summit of divide between Sawyers Bar and Etna Comment
  HSC29467  Eremogone congesta var. congesta Frederick W. Oettinger 1969-8-4 395 Siskiyou Marble Mtn. Wilderness Area, trail break on Crapo Peak ridge 2195 Comment
  JEPS31333  Ericameria bloomeri Willis L. Jepson 1894-8-4 Siskiyou sw slope Mt. Shasta (Neil's Camp); Region of the Upper Sacramento, Mt. Shasta Comment
  RSA14486  Ericameria bloomeri Elmer I. Applegate 1923-8-20 3899 Siskiyou Medicine Lake 1982 Comment
  RSA78946  Ericameria bloomeri E. K. Balls, Percy C. Everett 1952-10-12 18173 Siskiyou S boundary of Lava Beds National Monument on road to Tennant from Indian Well Ranger Station 1372 Comment
  SEINET5727124 Image available Ericameria bloomeri Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7707 Siskiyou Mt. Shasta City. Collected along Road 89, E of Mt. Shasta City.; Mt. Shasta City 1338 Comment
  SJSU3018  Ericameria bloomeri J. W. Tilden 1967-8-21 1769 Siskiyou Weed (one mile south) Comment
  UC1223100  Ericameria bloomeri Joseph P. Tracy 1949-9-15 18557 Siskiyou near top, on road between Cecilville and Sawyer's Bar Blue Ridge 1584 Comment
  SEINET7846091 Image available Ericameria bloomeri G. D. Butler 1910-8-7 1823 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC287493  Ericameria greenei Louis C. Wheeler 1934-8-24 3220 Siskiyou Trapper Creek, Siskiyou Mts 1859 Comment
  HSC82056  Ericameria greenei J. O. Sawyer 1968-9-11 700 Siskiyou On slopes above Twin Valley 1463 Comment
  CHSC96728  Ericameria nauseosa var. speciosa Jennifer Whipple 1977-8-4 2156 Siskiyou Mount Eddy, Klamath Mountains. Wagon Creek drainage on the east face of Mount Eddy. 2438 Comment
  HSC46938  Ericameria nauseosa var. speciosa William J. Ferlatte 1976-9-22 1853 Siskiyou Grouse Ridge along Yellow Rose Mine Trail 1860 Comment
  UC205552  Ericameria nauseosa var. speciosa H. M. Hall 1919-10-3 10985 Siskiyou near Yreka Hills Comment
  UC598532  Ericameria nauseosa var. speciosa C. Hart Merriam 1898-8-20 183 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC293504  Erigeron aliceae Doris K. Kildale 1928-8-18 6486 Siskiyou Head of North Fork of Salmon River at Finley's Upper Camp Comment
  JEPS24030  Erigeron aliceae Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6894 Siskiyou Poker Flat Siskiyou Mountains 1536 Comment
  CAS-BOT-BC294495  Erigeron bloomeri var. bloomeri John Thomas Howell 1939-8-4 15052 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  UC609333  Erigeron bloomeri var. bloomeri Eleanor Burks Hart 1938-8-18 932 Siskiyou Boulder Peak 2529 Comment
  CAS-BOT-BC294505  Erigeron bloomeri var. bloomeri L. S. Smith 1917-5-27 s.n. Siskiyou Yreka Comment
  HSC19165  Erigeron cervinus J. O. Sawyer 1969-7-10 1284 Siskiyou East facing slope above Sugar Lake 2226 Comment
  HSC19551  Erigeron cervinus J. O. Sawyer 1969-8-3 1778 Siskiyou Near Little Duck Lake 2073 Comment
  CAS-BOT-BC294910  Erigeron chrysopsidis var. austiniae Annie M. Alexander; Louise Kellogg 1949-7-22 5842 Siskiyou Trail to Kings Castle, top of ridge. Paradise Lake, Marble Mountains 2072 Comment
  HSC46718  Erigeron compositus William J. Ferlatte 1976-9-22 1859 Siskiyou Dorleska summit 2134 Comment
  CAS-BOT-BC297182  Erigeron concinnus var. concinnus L. E. Smith 1914-5-21 703 Siskiyou Montagne Comment
  CHSC39002  Erigeron eatonii var. plantagineus J. D. Jokerst 1983-7-5 1820 Siskiyou Atkin's Meadow ca 15 air miles E of McCloud. Comment
  UC1324594  Erigeron filifolius W. B. and V. G. Cooke 1966-7-16 37217 Siskiyou shoulder of old logging road above Bolam Station; Mt. Shasta 1676 Comment
  CAS-BOT-BC300858  Erigeron glacialis var. glacialis Gilbert Muth 1966-7-24 446 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  HSC76944  Erigeron glacialis var. glacialis K. T. Stillman 1976-9-9 471 Siskiyou Marble Mtn. Wilderness Area, N, NE and E side of Black Mtn. Comment
  JEPS109824  Erigeron inornatus var. calidipetris Dean W. Taylor 2005-7-13 19396 Siskiyou Big Sand Flat (ca. 8 air miles N of Bartle on Highway 89), along Forest Road 40N17 road leaving SW corner of the flat 1402 Comment
  OBI55539  Erigeron inornatus var. inornatus David J. Keil, Kathleen Keil 1992-7-24 23565 Siskiyou E of McCloud along hwy 89, 22.6 mi W of Shasta County line Comment
  UC637123  Erigeron inornatus var. inornatus Edward Lee 1934-8-14 1113 Siskiyou near summit of Little Grayback (Siskiyou - Del Norte County Line) 1828 Comment
  JEPS29180  Erigeron klamathensis Lauramay Dempster 1961-7-1 1832 Siskiyou slopes se White Mountains Comment
  JEPS83868  Erigeron petrophilus var. petrophilus Wayne Roderick 1976-7-1 Siskiyou vicinity Cook and Green Pass (along trail to Copper Butte); Siskiyou Mts. 1767 Comment
  CDA4938  Erigeron philadelphicus T. C. Fuller 1958-6-19 1887 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  CAS-BOT-BC255434  Eriogonum alpinum Peter H. Raven 1956-9-4 10405 Siskiyou South side of Mt. Eddy 2682 Comment
  CAS-BOT-BC250071  Eriogonum compositum var. compositum Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Skyhigh Lake Comment
  UC55778  Eriogonum compositum var. compositum T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC242529  Eriogonum congdonii James L. Reveal; Darin S. Reveal 1978-8-8 4807 Siskiyou Along the road from Scott Mountain Summit on California Highway 3 on the Gazelle-Callahan Road via Big Carmen Lake (USFS #40N08), 2.5 mile snortheast of the Summit and about 1 mile northeast of the Lake, at the end of a ridge about 0.3 mile north..., 1737 Comment
  SEINET4855037  Eriogonum diclinum Louis C. Wheeler 1934-9-1 75542 Siskiyou Klamath Forest, Jaynes Canyon. 1951 Comment
  CAS-BOT-BC255705  Eriogonum douglasii var. meridionale L. R. Short 1933-6-9 128 Siskiyou 1/4 mi. from Klamath River 853 Comment
  JEPS84299  Eriogonum elatum var. elatum L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6331 A Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1/2 air mi from Red Butte) 1730 Comment
  POM165179  Eriogonum elatum var. elatum E. B. Copeland 1903-7-8 3525 Siskiyou Klamathon Comment
  SD53392  Eriogonum hirtellum Darley F. Howe 1962-8-4 3385 Siskiyou Baldy Mt. 1431 Comment
  HSC17399  Eriogonum luteolum var. luteolum C. B. Wolf 1927-8-26 1010 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  CAS-BOT-BC263654  Eriogonum luteolum var. luteolum Mrs. H. C. Cantelow 1938-10-25 s.n. Siskiyou About 16 miles NW of Yreka on Hy. #96 Comment
  CAS-BOT-BC263176  Eriogonum marifolium var. cupulatum Alice Eastwood 1912-9-1 2073 Siskiyou Mount Shasta Comment
  CHSC63610  Eriogonum marifolium var. cupulatum Vernon H. Oswald; Lowell Ahart 1994-8-10 6456 Siskiyou FS 41N01Y at Elk Flat, ca. 1 mi N of Pilgrim Creek Rd. (FS13), ca. 11 mi (air) NE of McCloud. In a meadow. 1243 Comment
  CAS-BOT-BC94474  Eriogonum nudum R. C. Wenk 2005-7-19 342 Siskiyou Along Pacific Crest Trail, between Deadfall Lakes and pass below Mt. Eddy 2407 Comment
  HSC17324  Eriogonum nudum var. pubiflorum C. B. Wolf 1927-8-26 1024 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  HSC43015  Eriogonum nudum var. pubiflorum J. P. Smith 1973-5-5 6440 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  SD75847  Eriogonum nudum var. pubiflorum Darley F. Howe 1969-8-8 4673 Siskiyou 4.2 miles south of Yreka 822 Comment
  CAS-BOT-BC252954  Eriogonum pyrolifolium var. pyrolifolium Robert F. Thorne; Fred Oettinger 1969-8-10 38984 Siskiyou S slope of Mt. Shasta, slopes above ski-lodge, Mt. Shasta National Forest 2438 Comment
  CAS-BOT-BC267707  Eriogonum roseum Louis C. Wheeler 1934-9-19 3282 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  UC1475702  Eriogonum siskiyouense Clifton and Ground 1978-7-2 1752 Siskiyou near Hayden Cabin (close to town of Callahan); China Mt. Quadrangle 1738 Comment
  RSA123700  Eriogonum spergulinum var. reddingianum M. S. Baker, H. K. Wagnon 1955-7-16 174 Siskiyou In dry, Powdery Shale-like rock on the east ridge leading to the summit of South Yolla Bally ( Mt. Linn) 2287 Comment
  UC727196  Eriogonum strictum var. proliferum A. A. Heller 1918-7-16 13028 Siskiyou Mt. Eddy 2682 Comment
  CAS-BOT-BC540704  Eriogonum ternatum Dana York 2012-7-21 3134 Siskiyou Siskiyou Mountains: Klamath National Forest, ca. 500 m NE of Red Butte 1950 Comment
  CAS-BOT-BC267992  Eriogonum umbellatum var. argus Louis C. Wheeler 1934-9-1 3234 Siskiyou Jaynes Canyon, Siskiyou Mts. 1950 Comment
  JEPS74482  Eriogonum umbellatum var. argus W. J. Ferlatte 1966-8-2 240 Siskiyou wooded area near public camp (Big Flat); Trinity Alps, Big Flat 1524 Comment
  CAS-BOT-BC268141  Eriogonum umbellatum var. goodmanii James L. Reveal; Darin S. Reveal 1978-8-9 4811 Siskiyou Along the dirt road from near Happy Camp to Baldy Mountain Lookout (USFS # 17N11), 0.5 mile south of the junction of 17N23, near the head of Doolittle Creek 1280 Comment
  CAS-BOT-BC268147  Eriogonum umbellatum var. humistratum John Thomas Howell 1937-7-29 13631 Siskiyou Scott Mt. between Siskiyou and Trinity cos. Comment
  CAS-BOT-BC268148  Eriogonum umbellatum var. humistratum Peter H. Raven 1956-9-4 10374 Siskiyou Sacramento-Trinity Pass south of Mt. Eddy 2255 Comment
  CAS-BOT-BC268154  Eriogonum umbellatum var. humistratum Peter H. Raven 1956-9-4 10418 Siskiyou On the summit of Mt. Eddy 2758 Comment
  HSC43434  Eriogonum umbellatum var. humistratum Jennifer Whipple 1976-7-14 1468 Siskiyou SE slope of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  CAS-BOT-BC435531  Eriogonum umbellatum var. lautum James L. Reveal 2001-7-19 8348 Siskiyou Scott Valley, along South Kidder Creek Road, 0.5mi WSW of Ca. Hwy 3, about 6.1 air miles SW of Fort Jones and 5.7 air mi N of Etna 868 Comment
  POM165271  Eriogonum umbellatum var. polyanthum E. B. Copeland 1903-7-6 3496 Siskiyou Hornbrook. Comment
  CAS-BOT-BC262382  Eriogonum vimineum L. R. Abrams 1927-9-11 12143 Siskiyou Fork of Shasta and Klamath Rivers Comment
  RSA254926  Eriogonum vimineum James L. Reveal, Caroline G. Reveal 1974-8-17 3796 Siskiyou Along California Highway 3, 4.5 mi. east of Callahan and 2.5 southeast of the junction with the county road to Gazeele 1372 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
  POM185511  Eriophorum crinigerum Copeland 1903-8-18 3902 Siskiyou Mt. Eddy. Comment
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Jan 23 2011
  UC1108531  Eriophorum crinigerum Ira L. Wiggins 1955-7-27 13553 Siskiyou Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  UC1265449  Eriophorum crinigerum Frederick W. Oettinger 1968-9-7 767 Siskiyou just n. Tobacco Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1889 Comment
  CDA18412  Eriophyllum lanatum G. D. Barbe, T. C. Fuller & J. T. Howell 1980-4-29 2650 Siskiyou Klamath Ranges; Schoolhouse Hill, summit of Gazelle-Callahan Road, 7 miles (11.3 km) east of Callahan. 1173 Comment
  HSC43061  Eriophyllum lanatum Ken Stillman 1976-8-31 456 Siskiyou E and N sides of Williams Point 366 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
  CAS-BOT-BC301130  Eriophyllum lanatum var. achilleoides Lewis S. Rose 1945-6-23 45180 Siskiyou Junction of Shata [Shasta] River & Klamath River 624 Comment
  SEINET8687241 Image available Eriophyllum lanatum var. achilleoides G. D. Butler 1910-5-23 1399 Siskiyou Humbug Mountain 1070 Comment
  HSC81986  Eriophyllum lanatum var. lanceolatum Thomas W. Nelson, Jane P. Nelson 1979-6-16 4871 Siskiyou Along SR 3, 2.2 mi. N of Scott Mtn. Summit 1341 Comment
  RSA629726  Eriophyllum lanatum var. lanceolatum L. C. Wheeler 1958-8-18 7399 Siskiyou Mt. View Mine, West Fork Seiad Creek. Comment
  UC609351  Eriophyllum lanatum var. lanceolatum Eleanor Burks Hart 1938-8-18 948 Siskiyou Boulder Peak 2529 Comment
  CHSC91383  Erodium cicutarium Lowell Ahart; John Dittes 2005-6-10 12058 Siskiyou Near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CHSC39011  Eryngium alismifolium J. D. Jokerst 1983-7-6 1835 Siskiyou The east edge of a narrow north-south oriented meadow. Comment
  HSC61797  Erysimum capitatum var. capitatum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC65343  Erysimum perenne Rich White 1978-7-20 264 Siskiyou Ridge top E of Raspberry Lake 1768 Comment
  HSC69046  Erysimum perenne Maralyn A. Renner 1980-8-7 2343 Siskiyou Ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  CAS-BOT-BC133263  Erythronium J. H. Thomas 1954-5-13 4139 Siskiyou 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-BC505230  Erythronium grandiflorum Lillian Mott 1976-7-4 29 LM76 Siskiyou Lily Pad Lake west of Cook and Green Pass 2011 Comment
  CHSC2261  Erythronium grandiflorum var. pallidum V. Holt 1943-8-7 Siskiyou Marble mountains. 1828 Comment
  CAS-BOT-BC133299  Erythronium hendersonii Mrs. A. E. Stonehouse 1917-4-25 s.n. Siskiyou Hilt Comment
  JEPS51764  Eschscholzia californica W. L. Jepson 1907-7-22 2956 Siskiyou Scott Bar to Scott Valley; Miamber Trail Comment
  SEINET7042815  Eschscholzia californica A. G. Vestal 1955-5-17 s.n. Siskiyou Shasta Valley 2.1 miles north of Yreka. Hawkinsville quadrangle UTM Zone 10, 531952mE, 4623659mN. Comment
  RSA275330  Euonymus occidentalis J. O. Sawyer, K. T. Stillman 1976-7-1 2772 Siskiyou Along the Little North Fork of the Salmon River 732 Comment
  UC1736078  Euphorbia esula Dean W. Taylor 1999-8-12 17298 Siskiyou Mill Creek, Quartz Valley about 1 mile SSW Mugginsville, along Mill Creek logging road 0.5 miles up from bridge crossing 972 Comment
  CDA34223  Euphorbia oblongata Jodi Aceves 2010-8-3 PDR# 1414045 Siskiyou At Klamath River, upstream from Somesbar. 0 Comment
  CAS-BOT-BC310627  Eurybia radulina Wm. Bridge Cooke 1938-8-19 11511 Siskiyou Mount Shasta. Howard Comment
  JEPS31916  Eurybia radulina H. W. Furlong Sep 1901 Siskiyou summit to Ager; Northern Siskiyou Co Comment
  CAS-BOT-BC418829  Fallopia japonica var. japonica T. C. Fuller 1963-8-26 11152 Siskiyou Dunsmuir Grade, Hwy 99 to Mt. Shasta City, 0.5 mi. n. of the limits of Dunsmuir Comment
  CAS-BOT-BC94540  Festuca californica R. C. Wenk 2006-7-24 531 Siskiyou Scott Mountains, border between Trinity and Siskiyou Counties, forest near the Pacific Crest Trail, 1/2 km E of Hwy 3 1700 Comment
  CAS-BOT-BC278725  Festuca idahoensis A. A. Heller 1916-6-23 12440 Siskiyou Near Black Butte north of Sisson 1127 Comment
  CAS-BOT-BC278729  Festuca idahoensis Clarence R. Quick 1959-6-19 59 -04 Siskiyou 3 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  HSC25461  Festuca idahoensis J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5657 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  LA13197  Festuca idahoensis Louis C. Wheeler; 1934-6-7 2658 Siskiyou Siskiyou Mountains, N Hungry Creek 1219 Comment
  RSA239116  Festuca idahoensis Frederick W. Oettinger 1969-9-2 1585 Siskiyou Bear Meadow near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  RSA239118  Festuca idahoensis Frederick W. Oettinger 1969-9-4 1673 Siskiyou Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  RSA414219  Festuca idahoensis M. B. Dunkle 1945-7-22 s.n. Siskiyou Marble Mts., Klamath National Forest. Comment
  RSA582088  Festuca idahoensis L. C. Wheeler 1934-6-7 2658 Siskiyou North Hungry Creek. 1220 Comment
  CAS-BOT-BC278878  Festuca occidentalis Louis C. Wheeler 1934-6-1 2658 Siskiyou Klamath National Forest. N. Hungry Cr. 1219 Comment
  JEPS69255  Festuca pratensis Geo. D. Butler 1909-6-28 851 Siskiyou near Yreka Comment
  CAS-BOT-BC279071  Festuca rubra A. A. Heller 1921-7-17 13580 Siskiyou Slope of Mt. Eddy west of Wagon Creek 2133 Comment
  CHSC61575  Festuca rubra L. P. Janeway 1983-7-7 390 Siskiyou Siskiyou Mountains; southeast-sloping ridge just northwest behind West Branch Guard Station. 701 Comment
  CAS-BOT-BC282570  Festuca viridula Gilbert Muth 1969-8-6 1178 Siskiyou Boulder Peak 2529 Comment
  RSA47798  Fragaria californica Roxana S. Ferris, Laura Lorraine 1948-6-12 11741 Siskiyou French Creek logging road west of Callahan. 1067 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
  HSC92145  Frangula californica subsp. occidentalis Jennifer Whipple 1976-9-3 1776 Siskiyou Near Little Crater Lake 2195 Comment
  CAS-BOT-BC59983  Frangula purshiana G. B. Grant 2000-1-1 s.n. Siskiyou unspecified. Comment
  CAS-BOT-BC59987  Frangula purshiana W. R. Dudley 1899-7-6 s.n. Siskiyou Big Meadow Trail. Comment
  CAS-BOT-BC55700  Frangula rubra subsp. modocensis John Thomas Howell 1934-7-4 12402 Siskiyou Se. corner of Siskiyou Co. Comment
  RSA60644  Frasera albicaulis var. nitida Dorothy Parker 1948-7-11 103 Siskiyou Shovel Creek, near Beswick. 1012 Comment
  RSA183727  Frasera speciosa Gilbert Muth 1965-8-6 176 Siskiyou Backside of Black Mountain, Marble Mountains. Comment
  LA22119  Fritillaria atropurpurea Carl Epling; 1938-6-24 11102 Siskiyou Mount Shasta, along the Sisson Southern Trail 1523 Comment
  RSA367760  Fritillaria pudica Christopher Davidson 1975-6-5 2689 Siskiyou 0.1 ENE on unnamed dirt rd. departing to E off Hwy 3 at Scott Mtn summit. 1677 Comment
  HSC31734  Fritillaria recurva Glenn McGourty 1974-5-25 55 Siskiyou 1402 Comment
  JEPS55684  Fritillaria recurva W. and M. Roderick 1961-6-28 Siskiyou n of Happy Camp (Indian Creek); Indian Creek Comment
  SEINET3886824  Fritillaria recurva James P. Smith 1974-5-26 7542 Siskiyou Copco Quad. Along Forest Service Road 47N04.; 0 1524 Comment
  JEPS25596  Galium aparine Rimo Bacigalupi 1959-7-2 7228 Siskiyou just s Trinity Co. boundary (<Co. boundary is low divide separating Coffee Creek drainage from that of the Salmon River>); Caribou Mtn., Salmon River, Coffee Creek, Big Flat Campgroun 1508 Comment
  POM60712  Galium bolanderi E. B. Copeland 1903-8-14 3779 Siskiyou Sisson. Comment
  UC416635  Galium bolanderi Milo S. Baker 1899-7-17 Siskiyou Lava Beds Fall River Valley Comment
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Jan 16 2007
  JEPS87642  Galium boreale subsp. septentrionale Vernon H. Oswald and Lowell Ahart 1994-8-10 6459 Siskiyou FS 40N39 ca. 0.5 mi w Harris Spring Rd. (FS15) (ca 4 air mi nne of Bartle); Bartle Creek, Stillwater Meadows 1359 Comment
  HSC81550  Galium serpenticum subsp. scotticum Thomas W. Nelson, Jane P. Nelson 1980-7-21 6158 Siskiyou Along FS Rd. 40N08, 0.6 mi. from junction with Hwy. 3 1646 Comment
  JEPS83623  Galium serpenticum subsp. scotticum Marla Knight 1987-7-16 942 Siskiyou Grouse Creek Mine Klamath National Forest, Scott River District, China Mtn. Qu (one half mi w of junction of FS Rds 40N03 and 40N40) 1127 Comment
  UC1409413  Galium triflorum Frederick W. Oettinger 1968-8-7 436 Siskiyou e side Diamond Lake; Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  UC164468  Galium triflorum Geo. D. Butler 1002 Siskiyou near Yreka; Humbug Gulch Comment
  HSC60808  Galium triflorum Ruby Van Deventer 1962-8-15 Siskiyou Bell Echo (Bell Echo Camp) in Young's Valley 1189 Comment
  CAS-BOT-BC200584  Garrya buxifolia Geo. D. Butler 40 Siskiyou On West Fork of Woolly Creek 1524 Comment
  CAS-BOT-BC192148  Garrya fremontii L. E. Smith 1913-4-2 s.n. Siskiyou near Castle Crags Station Comment
  CHSC75719  Garrya fremontii Vernon H. Oswald; Lowell Ahart 1999-7-5 9802 Siskiyou Gazelle-Callahan Hwy. 11.1 mi west of Gazelle, 0.4 mi east of summit of Gazelle Mtn. 1158 Comment
  HSC40240  Garrya fremontii J. P. Smith 1976-5-5 8690 Siskiyou Road between Sawyers Bar and Somes Bar 488 Comment
  UC1951262  Garrya fremontii Robert F. Thorne 1969-8-23 63348 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Trail to upper English Lake along Salmon River. Comment
  UC903492  Garrya fremontii Dorothy Parker 1948-2-27 215 Siskiyou Plowman's Valley 1219 Comment
  JEPS74585  Garrya fremontii William J. Ferlatte 1969-6-26 1191 Siskiyou Big Flat Trinity Alps (near campground) 1524 Comment
  HSC45183  Gaultheria ovatifolia J. O. Sawyer, E. Cope 1977-6-18 2936 Siskiyou Along Clear Creek Trail between Bear Pen Creek and West Fork. 671 Comment
  JEPS24022  Gaultheria ovatifolia Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6884 Siskiyou at junction of Happy Camp - Takilma Road and Poker Flat Road; Siskiyou Mountains 1376 Comment
  RSA238350  Gaultheria ovatifolia Frederick W. Oettinger 1969-7-14 1011 Siskiyou Common along the northern shoreline of Charmaine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  HSC27971  Gaultheria shallon Carl W. Mize 1972-9-23 109 Siskiyou Along Steinacher Creek Rd. about 3 mi. from bridge 762 Comment
  RSA785409  Gaultheria shallon Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mountains. Comment
  RSA12497  Gayophytum diffusum subsp. parviflorum Carl B. Wolf 1934-7-4 5940 Siskiyou Horse Creek Road to Dry Lake Lookout, Siskiyou Mountains, 13.5 miles from Horse Creek Bridge on Klamath River 1524 Comment
  POM254607  Gayophytum diffusum subsp. parviflorum W. Bridge Cooke 1940-8-22 15485 Siskiyou Mount Shasta: Squaw Valley Creek meadows 2439 Comment
  RSA237853  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1969-8-12 1351 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
  UC164084  Gayophytum heterozygum Geo. D. Butler 1910-7-3 1630 Siskiyou Goosenest foothills 1219 Comment
  POM258617  Gayophytum heterozygum W. Bridge Cooke 1940-7-5 15299 Siskiyou Mount Shasta: along the road between Wagon Camp and Bear Springs. 1524 Comment
  UC141171  Gentiana calycosa Dr. E. B. Copeland 1903-8-18 3829 Siskiyou Mt. Eddy 2286 Comment
  UCD169045  Gentiana newberryi B. Crampton 1956-8-21 3819 Siskiyou South slope of Gumboot Lake, headwater of the south Fork of the Sacramento River. 1920 Comment
  RSA211175  Gentiana newberryi William J. Ferlatte 1966-8-17 388 Siskiyou Caribou Basin; Trinity Alps 1982 Comment
  CHSC661  Gentianella amarella subsp. acuta N. Jaekel 1939-7-29 Siskiyou Black Butte Meadow. 1158 Comment
  JEPS24817  Gentianella tenella subsp. tenella Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6831 Siskiyou just n and below Scott Mountain road summit 1615 Comment
  UC642518  Gentianopsis simplex W. Bridge Cooke 1939-7-21 13726 Siskiyou Mt. Shasta, Wagon Camp Comment
  CAS-BOT-BC143595  Geum triflorum Elmer I. Applegate 1935-6-2 9280 Siskiyou Indian Well, Lava Beds National Monument Comment
  JEPS98787  Gilia Sue Pappalardo 1993-7-19 504 A Siskiyou about 4 mi SE of Bear Mountain Lookout (between Forest Service roads 40N38 and 40N36); Shasta Trinity National Forest, McCloud Ranger District 1300 Comment
  HSC36805  Gilia capitata J. P. Smith 1974-5-27 7632 Siskiyou Along FS Rd. 47N03 1280 Comment
  HSC30666  Glyceria striata Frederick W. Oettinger 1969-9-4 1654 Siskiyou Salmon Mtns., Tobacco Lake. 1890 Comment
  RSA183415  Glyceria striata J. M. Tucker 1963-8-19 3774 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area. 1951 Comment
  RSA239002  Glyceria striata Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1202 Siskiyou Willow Spring on trail from English Trail to Abbot's Upper Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UC4511  Goodyera oblongifolia W. H. Brewer 1862-9-16 1414 Siskiyou on Mount Shasta Mount Shasta Comment
  RSA675587  Grindelia camporum F. R. Schallert 1953-8-10 3131 Siskiyou Below Mt. Shasta. Comment
  CAS-BOT-BC314632  Grindelia hirsutula Geo. D. Butler 1908-9-25 499 Siskiyou Near Montague Comment
  UC1408782  Hackelia bella Frederick W. Oettinger 1968-8-11 476 Siskiyou 30 yards se of Tom Taylor Cabin (High Lake Basins in Vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2026 Comment
  CHSC154  Hackelia californica V. Holt 1932-6-23 Siskiyou McCloud River. Comment
  CHSC9491  Hackelia californica J. F. Goodwin 1971-7-3 133 Siskiyou 0.1 mi. south of road at Multiple Use Area, 4.9 mi. south of Mt. Shasta Ski Bowl area. 1889 Comment
  SD46642  Hackelia californica E. K. Balls, L. W. Lenz 1956-6-18 21800 Siskiyou 5.0 miles west of McCloud, State Highway 89. 1340 Comment
  RSA68887  Hackelia californica A. E. Culbertson 1943-7-3 69 Siskiyou Castle Lake, 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
  RSA235885  Hackelia micrantha J. L. Gentry Jr., David Vierig 1968-6-17 2063 Siskiyou Siskiyou Mountains, 20.9 miles north of Happy Camp (Calif. Hwy. 96) 1.5 miles from jct. U.S. Forest Roads 1916 & 1916B on road 1916. 1372 Comment
  UC1190276  Hackelia micrantha Ira L. Wiggins 1955-7-29 13575 Siskiyou n facing slope between Caribou Lake and Pass to Thomas Creek; Trinity Alps 1956 Comment
  JEPS84096  Hackelia setosa L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6315 a Siskiyou Indian Creek Road from Takilma to Happy Camp (just s of state line) Comment
  RSA235927  Hackelia setosa J. L. Gentry Jr., David Vierig 1968-6-17 2062 Siskiyou Siskiyou County: Siskiyou Mtns, 20.9 miles N of Happy Camp) 2 miles from jct of HS Forest raods 196 & 1916B, onr road 1916. 1372 Comment
  SEINET10474688  Haplopappus bloomeri Mary Susan Taylor 1980-8-18 Taylor 3257 A Siskiyou T40N R2E sw sec 30. Shasta-Trinity Natl Forest, Yellow Pine Forest plantation, ca. 50 ft E of Hwy 15, ca. 3 mi N of it jctw ith Hwy 89, ca. 17 mi E of McCloud. With J. Prouty & E. Heinz. Comment
  HSC58940  Hastingsia alba Marvin Butler 1971-7-8 21 Siskiyou Near Bell Echo Camp 1433 Comment
  SBBG30578  Hastingsia alba D. Myrick 1968-6-29 2055 Siskiyou Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  UC1409316  Hastingsia alba Frederick W. Oettinger 1968-8-17 561 Siskiyou vicinity English Peak (Pine Lake Meadow, Salmon Mountains, Marble Mountain Wilderness Area, High Lake Basins); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  CAS-BOT-BC504610  Hastingsia alba Alice Eastwood 1921-7-24 10722 Siskiyou Castle Lake Comment
  CAS-BOT-BC508653  Hastingsia alba Elizabeth McClintock; Wayne Roderick 1967-7-27 s.n. Siskiyou At head of Gumboot Lake, s.w. of Mt. Eddy 1828 Comment
  HSC19533  Hastingsia alba J. O. Sawyer 1969-7-10 1288 Siskiyou E facing slope W of S Sugar Lake 2226 Comment
  RSA68941  Hastingsia alba A. E. Culbertson 1943-7-6 17 Siskiyou Castle Lake, 5434, in a north facing cirque with an abrupt 1000 backwall; 14 miles s.w. of Mt. Shasta on N side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 air miles of its headwaters to the west 1657 Comment
  CDA6453  Helenium autumnale T. C. Fuller 1960-8-23 4966 Siskiyou ca. 1 mile southeast of Greenview, Scott Valley. 0 Comment
  CAS-BOT-BC383119  Helenium bigelovii Andrew Townesmith; Karen M. Meyer 2007-7-28 865 Siskiyou Shasta-Trinity National Forest. At the intersection of Forest Service route 26 and Forest Service road 40N33, 6.0 miles west of forest boundary (via route 26) 1441 Comment
  HSC58872  Helenium bigelovii Marvin Butler 1971-7-28 215 Siskiyou Near youngs Valley, close to the town of Cave Junction 1403 Comment
  HSC69055  Helenium bigelovii Maralyn A. Renner 1980-8-6 2313 Siskiyou Cracker Meadow 1555 Comment
  SEINET10758262  Helenium bigelovii Andrew Townesmith, Karen M. Meyer 2007-7-28 Townesmith 865 Siskiyou Shasta-Trinity National Forest. At the intersection of Forest Service route 26 and Forest Service road 40N33, 6.0 miles west of forest boundary (via route 26). T39N R5W S16. 1441 Comment
  HSC43139  Helenium puberulum Ken Stillman 1976-8-24 417 Siskiyou E and N slopes of Williams Point 366 Comment
  SEINET11848993  Helianthella californica H. M. Hall, Babcock, E. B. 1903-1 4056 Siskiyou Mount Shasta, Sierra Nevada Mountains, near Sisson 1067 Comment
  CAS-BOT-BC314840  Helianthella californica var. shastensis L. E. Smith 1913-5-16 s.n. Siskiyou Dunsmuir Comment
  HSC3682  Heliotropium curassavicum C. B. Wolf 1927-8-26 1057 Siskiyou Klamath River, 3 mi. below Gottenville Comment
  UC1191658  Heliotropium curassavicum Verne Grant and Irving Schneider 1947-8-26 8303 Siskiyou Lower Klamath Lake, alkali flats by Interstate Hwy. Lower Klamath Lake Comment
  HSC510  Hemizonella minima William J. Ferlatte 1967-6-27 541 Siskiyou Big Flat, near public campground 1524 Comment
  CDA3752  Hesperis matronalis William J. Ferlatte 1990-5-23 Siskiyou Old Edgewood Road near railroad undercrossing, Edgewood. 0 Comment
  UC1005597  Hesperochiron pumilus Frank W. Gould 1940-5-15 1237 Siskiyou Goosenest Mt. near Bull Meadows; Goosenest Mt. 1524 Comment
  SD11874  Hesperocyparis macnabiana Carl B. Wolf 1930-10-19 Siskiyou Modoc Lava Beds, 1 mile east of Timbered Butte on old road from ? Hill Farm at Dana to Little Hot Spring Valley 1220 Comment
  CAS-BOT-BC422496  Hesperomecon linearis Volney Rattan No date on label s.n. Siskiyou Unspecified Comment
  RSA507769  Heterotheca oregona var. rudis J. C. Semple, S. Heard 1986-8-16 8496 Siskiyou SE of Etna. On road to Gazelle, just NE of CA 3, 9.8 km S or road to Kangaroo Lake. Comment
  CAS-BOT-BC312295  Heterotheca villosa var. minor John Thomas Howell 1934-7-4 12405 Siskiyou SE corner of Siskiyou Co. Comment
  POM204112  Heterotheca villosa var. minor J. T. Howell 1934-7-4 12405 Siskiyou SE corner of Siskiyou County Comment
  CAS-BOT-BC312299  Heterotheca villosa var. minor Gilbert Muth 1965-7-28 311 Siskiyou Ridge near Marble Mt. Lookout Comment
  HSC266  Heuchera merriamii William J. Ferlatte 1967-8-21 1067 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake 2287 Comment
  HSC91187  Heuchera merriamii Jennifer Whipple 1976-7-8 1361 Siskiyou Klamath Mtns.: N to NE facing steep granite bluff above Dobkins Lake. 2317 Comment
  UC609371  Heuchera merriamii Eleanor Burks 1938-8-21 918 Siskiyou Upper Wright Lake 2225 Comment
  CAS-BOT-BC420934  Heuchera micrantha var. diversifolia H. E. Brown 1897-6-1 310 Siskiyou Near Sisson 1083 Comment
  SEINET185086  Heuchera rubescens C. L. Hitchcock, JS Martin 1939-7-7 5285 Siskiyou Sanger Peak 1780 Comment
  UCD19520  Heuchera rubescens Charlotte K. Glenn 1967-1 137 Siskiyou Castle Lake 1584 Comment
  SBBG25850  Hieracium albiflorum D. Myrick 1966-8-8 1493 Siskiyou rd to Carter Ranch, Mountain Meadow Ranch, Big Flat 1584 Comment
  UCD77772  Hieracium albiflorum Robert E. Preston 2001-7-20 1686 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, 1712 Comment
  POM360468  Hieracium albiflorum Chadwick, Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  HSC92162  Hieracium bolanderi Jennifer Whipple 1976-7-24 1549 Siskiyou SW of Dobkins Lake along the drainage into the lake 2226 Comment
  JEPS84049  Hieracium bolanderi L. R. Heckard with J. Hickman et al. 1986-7-17 6469 Siskiyou trail up peak s Lily Pad Lake (ca 5 mi n of town of Seiad Valley, e ridge); Kangaroo Peak 1940 Comment
  RSA233675  Hieracium gracile R. F. Thorne, Frederick W. Oettinger 1969-8-10 38975 Siskiyou S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  CAS-BOT-BC318547  Hieracium greenei Alice Eastwood 1912-8-30 2035 Siskiyou Mount Eddy Comment
  CAS-BOT-BC318539  Hieracium greenei Wm. Bridge Cooke 1939-8-25 13919 Siskiyou Above MacBride Springs 1676 Comment
  UC618648  Hieracium horridum unknown 1938-9-17 11703 Siskiyou canyon w Horse Camp (canyon below Horse Camp); Mount Shasta 2133 Comment
  JEPS82132  Hieracium nudicaule Rimo Bacigalupi 1959-7-2 7225 Siskiyou near nort base of Caribou Mtn. (Big Flat Campground, headwaters of river, just s of low divide (Trinity Co) separating Coffee Creek drainage from that of Salmon River); South Fork of the Salmon River, Big Flat Campground 1508 Comment
  CAS-BOT-BC316022  Hieracium scouleri Wm. F. Herrin 1921-6-28 s.n. Siskiyou Shasta Springs Comment
  OBI49175  Hieracium scouleri Lewis S. Rose 1937-1-25 37590 Siskiyou S slope of Mt Shasta 1768 Comment
  HSC30239  Hieracium triste William J. Ferlatte 1971-9-18 1380 Siskiyou Caribou Basin 2409 Comment
  UC1409289  Hieracium triste Frederick W. Oettinger 1969-9-5 1673 Siskiyou Upper English Lake; Marble Mountain Wilderness Area. 1798 Comment
  UC922283  Hieracium triste Annie M. Alexander and Louise Kellogg 1949-7-22 5837 Siskiyou Trail to Paradise Lake. Kings Castle; Marble Mountains 1920 Comment
  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
  POM91535  Holodiscus discolor Geo. D. Butler 1910-7-6 1645 Siskiyou Shackleford Creek. 915 Comment
  HSC63677  Holodiscus microphyllus var. glabrescens Richard Spjut, Emelia Russell 1979-8-28 5511 Siskiyou W slope of Mt. Shasta, base of rocky cliffs and ridges 2744 Comment
  HSC2193  Hordeum brachyantherum subsp. brachyantherum L. C. Wheeler 1934-8-14 3133 Siskiyou Siskiyou Mountains, N side White Mtn. 1768 Comment
  UC197104  Hordeum brachyantherum subsp. brachyantherum Geo. D. Butler 1910-6-15 1564 Siskiyou Yreka Creek Comment
  CHSC91336  Hordeum jubatum Lowell Ahart; John Dittes 2005-6-9 12023 Siskiyou Field, on the east side of a poor rock fence, about 400 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
  CHSC57449  Horkelia daucifolia L. P. Janeway 1984-6-22 870 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08/ 1645 Comment
  CAS-BOT-BC143960  Horkelia daucifolia Ella Dales Cantelow 1936-5-20 1404 Siskiyou N. slope Scott Mt. 2 mi. from Callahan Comment
  POM195783  Horkelia fusca subsp. parviflora A. A. Heller 1927-8-1 14435 Siskiyou S side of Mt. Shasta, near Shasta City (Sisson). Comment
  UCSB63906  Horkelia fusca var. parviflora Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou Forest Route 15 ca. 1 mi south of Harris Spring: T42N R2E Sect. 31 1463 Comment
  HSC796  Hosackia crassifolia William J. Ferlatte 1967-7-9 701 Siskiyou Kidd Creek Trail 1677 Comment
  UCD77834  Hosackia crassifolia Robert E. Preston 2001-6-23 1623 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W ne 1/4 Section 15 1706 Comment
  LA47886  Hosackia crassifolia var. crassifolia Wm. Bridge Cooke; 1940-7-26 15360 Siskiyou Mount Shasta, around the Black Butte Spring 1219 Comment
  HSC66263  Hulsea nana M. S. Taylor 1980-8-19 3265 Siskiyou Paint Pot Crater 1921 Comment
  JEPS89783  Hulsea nana Dean W. Taylor 1987-6-29 9094 Siskiyou Summit of cinder cone on northern end of Burnt Lava Flow Burnt Lava Flow; northern end of Burnt Lava Flow 1706 Comment
  POM54129  Hulsea nana E. B. Copeland 1903-8-16 3832 Siskiyou Mount Shasta 3201 Comment
  HSC25489  Hydrophyllum occidentale J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5717 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  HSC69307  Hydrophyllum occidentale Maralyn A. Renner 1980-7-24 1982 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 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
  CAS-BOT-BC400992  Hypericum anagalloides Gilbert Muth 1966-8-1 480 Siskiyou Marble Valley Horse Pasture, Marble Mts. 1792 Comment
  SEINET5343937  Hypericum anagalloides G. Butler 1910-7-12 1765 Siskiyou Shackleford Creek 1219 Comment
  RSA238860  Hypericum androsaemum Frederick W. Oettinger 1968-8-7 444 Siskiyou Inlet to Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC30078  Ipomopsis aggregata D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19534 Siskiyou Snowman's Hill Summit 3 mi. W of McCloud on Hwy. 89 Comment
  UC1075558  Ipomopsis aggregata E. K. Balls and L. W. Lenz 1956-6-18 21803 Siskiyou 4.4 mi e McCloud (State Hwy 89) 1036 Comment
  UC133855  Ipomopsis aggregata E. B. Copeland 1903-4-15 3919 Siskiyou Mt. Shasta 2316 Comment
  POM252974  Ipomopsis aggregata subsp. formosissima A. A. Heller 1938-7-12 15250 Siskiyou 5 miles north of Weed along highway 97 Comment
  RSA17692  Ipomopsis congesta Elmer I. Applegate 1935-6-8 9459 Siskiyou West cinder slope of Sconchin Butte Lava Beds National Monument Comment
  RSA366802  Iris hartwegii E. Yale Dawson 1948-7-16 5099 -a Siskiyou Grass Lake; Margins of Grass Lake, a drying, vernal lake north of Mount Shasta 1524 Comment
  UCD115202  Isatis tinctoria James P. Smith 1973-5-5 6526 Siskiyou Scott Bar along the Scott River. Comment
  CAS-BOT-BC57677  Isoetes bolanderi John Thomas Howell 1939-8-9 15194 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  UC371167  Isoetes bolanderi G. D. Butler 1908-8-4 255 Siskiyou head of Shackelford Creek 1524 Comment
  HSC28734  Isoetes bolanderi Frederick W. Oettinger 1968-8-1 345 Siskiyou Marble Mtn. Wilderness Area, inlet area of Hancock Lake 1936 Comment
  HSC34656  Isoetes occidentalis Thomas W. Nelson, J. Sawyer 1974-10-29 1745 Siskiyou Submerged at margin of Little Duck Lake Comment
  RSA576950  Isopyrum stipitatum Louis C. Wheeler 1935-3-10 3368 Siskiyou Mouth Beaver Creek off Klamath River, Siskiyou Mts. 549 Comment
  CDA39574  Juglans hindsii D. H. Shaw &Q. L. Holdeman 1977-9-26 s.n. Siskiyou Klamath River Lodge, Klamath River. 0 Comment
  HSC67956  Juncus bolanderi Steve Selva, J. P. Smith 1970-7-15 4344 Siskiyou Klamath National Forest, rd. to Happy Camp 732 Comment
  HSC74839  Juncus bolanderi J. P. Smith, J. O. Sawyer 1978-7-3 10008 Siskiyou Williams Point along the Klamath River S of Hwy. 96 Comment
  RSA22086  Juncus confusus J. T. Howell 1939-8-3 15005 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  RSA238903  Juncus drummondii Frederick W. Oettinger 1969-9-4 1660 Siskiyou Just S of Tom s Lower Pond. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  UC642527  Juncus drummondii unknown 1939-8-24 13900 Siskiyou near Squaw Valley Creek w branch; Mount Shasta 2286 Comment
  HSC33332  Juncus ensifolius William J. Ferlatte 1974-7-14 1528 Siskiyou Big Flat near S fork of the Salmon River, at edge of river below campground. 1509 Comment
  HSC77290  Juncus exiguus L. P. Janeway 1983-6-25 328 Siskiyou 350 m N of W Branch Guard Station 671 Comment
  UCD77270  Juncus howellii Robert E. Preston 2002-6-21 1872 Siskiyou Klamath National Forest, Rainbow Mountain, S slope, N of Trout Creek 1691 Comment
  HSC92869  Juncus mertensianus Jennifer Whipple 1977-7-20 1998 Siskiyou N slopes of Mount Eddy 2500 Comment
  UC70440  Juncus mertensianus Milo S. Baker 1899-8-1 Siskiyou e slope Mt. Shasta; Ash Creek 1828 Comment
  JEPS100301  Juncus nevadensis Dean W. Taylor 2001-8-28 17909 Siskiyou Mt. Shasta, Ash Creel Butte, Suprise Lake 2057 Comment
  HSC69181  Juncus nevadensis var. nevadensis Maralyn A. Renner 1980-7-24 2069 Siskiyou Lily Pad Lake 1768 Comment
  HSC30679  Juncus nevadensis var. nevadensis Frederick W. Oettinger 1968-8-2 351 Siskiyou Marble Mtn. Wilderness Area, slope just SW of Diamond Lake 2073 Comment
  UCD141646  Juncus occidentalis S. S. Tillett 1956-7-11 694 Siskiyou Siskiyou - Trinity County: County line, Scott Mountain divide just N of campground; ca. 8 miles SE of Callahan. 1630 Comment
  JEPS67056  Juncus orthophyllus Geo. D. Butler 1909-6-22 872 Siskiyou Goosenest foothills Goosenest Comment
  HSC39812  Juncus orthophyllus J. O. Sawyer 1969-8-4 1838 Siskiyou Above Sugar Lake 2134 Comment
  HSC69397  Juncus orthophyllus Maralyn A. Renner 1980-8-8 2451 Siskiyou Rattlesnake Meadow 1646 Comment
  RSA299465  Juncus orthophyllus J. P. Smith, Steve Selva 1970-7-18 4485 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  UCR37587  Juncus parryi L. P. Janeway 1983-8-13 532 Siskiyou South side & above the South Fork of Indian Creek, NE of Preston Peak. 1463 Comment
  POM110818  Juncus xiphioides Geo D. Butler 1910-7-15 1784 Siskiyou Oro Fino Comment
  CAS-BOT-BC81139  Juniperus communis W. B. C. 1938-8-22 11599 Siskiyou South [Slope] slope of Diller Canyon, on the north slopes of Shastina and Shasta 2743 Comment
  JEPS57169  Juniperus communis L. R. Heckard 1967-8-13 1707 Siskiyou Mt. Eddy 2743 Comment
  JEPS84290  Juniperus communis L. R. Heckard with J. Hickman et al. 1986-7-17 6543 Siskiyou se of Condrey Mt. (road end area and camp overlooking s end of Alex Hole); Alex Hole 1980 Comment
  HSC1220  Juniperus communis var. saxatilis J. F. Knezevich 1967-6-3 183 Siskiyou Mt. Shasta NE of the ski lodge, 300 ft. higher than the lodge 2500 Comment
  HSC22408  Juniperus communis var. saxatilis J. O. Sawyer 1969-7-9 1245 Siskiyou W facing slope above Bingham Lake 2317 Comment
  HSC31503  Juniperus communis var. saxatilis Steve Selva, Roger Jensen 1974-8-25 51 Siskiyou Top of ridge S of Little Duck Lake Comment
  HSC4851  Juniperus communis var. saxatilis J. O. Sawyer 1968-9-11 692 Siskiyou 1616 Comment
  CHSC109717  Juniperus occidentalis A. A. Heller 1938-7-12 15262 Siskiyou About 2 miles north of Bray. Comment
  HSC79095  Juniperus occidentalis Paul Wilson 1984-8-30 362 Siskiyou Juanita Lake Reservoir 1555 Comment
  CAS-BOT-BC56361  Kalmia microphylla subsp. microphylla Doris K. Kildale 1928-8-19 6511 Siskiyou English Lake, head of north fork of Salmon River Comment
  HSC45035  Kalmia polifolia J. O. Sawyer 1978-6-18 3239 Siskiyou Marble Mountain Wilderness, Shelly Meadows 1921 Comment
  RSA537375  Keckiella corymbosa Walter Wisura, J. Romero 1991-10-18 4598 Siskiyou Salmon River, 3.4 mi E of Sommes Bar, on exposed rock face. Comment
  CAS-BOT-BC246180  Keckiella lemmonii Wm. Bridge Cooke 1940-8-8 15424 Siskiyou Lower canyon of Squaw Valley Creek above the big spring, Mount Shasta 1524 Comment
  NY790343  Keckiella lemmonii D. C. Michener 1980-8-3 3773 Siskiyou Klamath Mountains. Above road along CA 96 and the Klamath River ca. 8.2 miles northeast of Happy Camp. Comment
  NY790362  Keckiella lemmonii A. Eastwood 1912-7-23 1348 Siskiyou Cantara Comment
  CHSC1617  Kelloggia galioides V. Holt 1932-7-25 Siskiyou On Mt. Shasta. 1463 Comment
  RSA68905  Kelloggia galioides A. E. Culbertson 1943-7-24 53 Siskiyou Castle Lake, 5434', in a N facing cirque with an abrupt 1000' backwall. 14 miles SW of Mt. Shasta on N side of a 6000' eastern spur of Trinity Mtns. 2000' above Sacramento River within 10 air miles of its headwaters to the W. Comment
  SEINET10703681  Kelloggia galioides Karen M. Meyer, Andrew Townesmith 2007-7-29 Meyer 171 Siskiyou Shasta-Trinity National Forest. 0.3 mi. on 40N25 Rd., off Siskiyou County Rd., A10/Everitt Memorial Hwy. 1805 Comment
  UC28415  Kelloggia galioides C. B. Bradley 1879-1 Siskiyou Comment
  CAS-BOT-BC499654  Kopsiopsis strobilacea J. H. Thomas 1954-5-14 4184 Siskiyou Salmon Mountains, Klamath National Forest (sw part of county). Near South Fork of Salmon River, 5--9 mi SE of Cecilville, along N side of river 1219 Comment
  CAS-BOT-BC340378  Kyhosia bolanderi Louis C. Wheeler 1934-8-10 3103 Siskiyou Dead Cow Creek, Siskiyou Mts. 1828 Comment
  CAS-BOT-BC340371  Kyhosia bolanderi Wm. Bridge Cooke 1940-7-5 15258 Siskiyou Mount Shasta. Throughout Wagon Camp Comment
  CAS-BOT-BC340377  Kyhosia bolanderi John Thomas Howell 1939-8-9 15207 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  SEINET11446755 Image available Lagophylla ramosissima G. D. Butler 1910-6-2 1448 Siskiyou Yreka Comment
  UC163717  Lathyrus brownii Geo. D. Butler 1910-4-21 1212 Siskiyou Oro Fino Comment
  POM215738  Leersia oryzoides L. C. Wheeler 1934-9-16 3270 Siskiyou Walker, Klamath River 518 Comment
  JEPS19768  Lepidium campestre Rimo Bacigalupi with S. Galen Smith 1957-6-27 5968 Siskiyou about 1.5 mi w Weed (along U.S. Hwy 99) 992 Comment
  CDA36979  Lepidium campestre CDFA Staff 12 Siskiyou Mt. Shasta. 0 Comment
  JEPS53595  Lepidium densiflorum var. densiflorum Geo. D. Butler 1908-6-25 130 Siskiyou near Yreka (Butler's Ranch) Comment
  CAS-BOT-BC60146  Lepidium virginicum var. menziesii Carl B. Wolf 1927-8-26 1095 Siskiyou On the Klamath River, 14 miles above Happy Camp. Comment
  UC1332117  Leptodactylon pungens Alice Eastwood and John Thomas Howell 1940-6-14 8261 Siskiyou near Indian Well (Lava Beds Nat<ional> Mon<ument> <Lava Beds National Monument>); Lava Beds Nat<ional> Mon<ument>, near Indian Well Comment
  RSA31680  Leptosiphon ciliatus A. A. Heller 1938-7-12 s.n. Siskiyou Along US Hwy. 97, 5 miles north of Weed Comment
  RSA756937  Leptosiphon ciliatus R. F. Thorne 1969-8-2 63347 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  POM74194  Leptosiphon filipes Edward Palmer 1892-7-13 s.n. Siskiyou Mt. Shasta and vicinity. Comment
  HSC30426  Leptosiphon harknessii Frederick W. Oettinger, R. F. Thorne 1969-8-8 1294 Siskiyou Marble Mtn. Wilderness Area, Sundew Bog near English Lake 1829 Comment
  RSA237972  Leptosiphon harknessii Frederick W. Oettinger, R. F. Thorne 1969-8-4 1177 Siskiyou Tobacco Lake meadows. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA42333  Lesquerella kingii subsp. diversifolia Lincoln Constance, H. L. Mason 1947-5-17 3199 Siskiyou Summit of NW spur of Scott Mountain. 183 Comment
  UC1540138  Lesquerella occidentalis subsp. occidentalis Dean Wm. Taylor and Rexford E. Palmer 1987-8-8 9262 Siskiyou Lyons Peak Medicine Lake volcanic highland region, Lyons Peak (extreme ne portion of co.) 2407 Comment
  CAS-BOT-BC341903  Lessingia nemaclada Carl B. Wolf 1927-8-26 1058 Siskiyou On the Klamath River, 3 mi. below Gottville Comment
  JEPS20614  Lessingia nemaclada Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sims Region of the Upper Sacramento Comment
  RSA44881  Lessingia nemaclada J. C. Roos 1948-9-1 3938 Siskiyou Fort Jones Comment
  CAS-BOT-BC508375  Leucocrinum montanum Elmer I. Applegate 1935-6-6 9362 Siskiyou Crater of Caldwell Butte, Lava Beds National Monument Comment
  HSC45006  Leucocrinum montanum J. P. Smith, J. O. Sawyer 1972-5-7 5288 Siskiyou 9.3 mi. W of Lava Beds National Monument rd. along Box Canyon Creek 1220 Comment
  RSA238392  Leucothoe davisiae Frederick W. Oettinger 1968-8-1 347 Siskiyou N. end of Little Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  SBBG25822  Leucothoe davisiae D. Myrick 1966-8-10 1519 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  UC7801  Lewisia cotyledon var. cotyledon Harley P. Chandler June, 1901 1594 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 2286 Comment
  HSC59095  Lewisia cotyledon var. howellii Clark L. Miller 1979-4-28 2109 Siskiyou 12 mi. E of Hwy. 96 along road to Forks of Salmon Comment
  JEPS87011  Lewisia kelloggii subsp. hutchisonii Wayne Roderick Jul 1976 Siskiyou Cook and Green Pass Siskiyou Mountains Comment
  SEINET10572649  Lewisia leeana Mary Susan Taylor 1980-7-8 Taylor 3093 Siskiyou T39N R5W south center sec 19, Dunsmuir quad; Shasta-Trinity Natl Forest; S end of Little Castle Lake, in steep granitic cliffs. 1768 Comment
  SJSU2553  Lewisia nevadensis H. L. Buckalew 1962-7-9 Siskiyou Poker Flat c. 3 mi W of junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts 1082 Comment
  UC144162  Leymus cinereus A. A. Heller 1905-6-19 8069 Siskiyou Grenada Station Comment
  UCD65621  Leymus triticoides Geo. D. Butler 1909-6-19 837 Siskiyou Along creek near Yreka. Comment
  HSC34295  Ligusticum californicum J. P. Smith, J. O. Sawyer 1973-8-14 7289 Siskiyou Along trail from Log Lake to Campbell Lake 1677 Comment
  UC1400373  Ligusticum grayi Robert F. Thorne and Fred Oettinger 1969-8-10 38967 Siskiyou s. slope Mt. Shasta (Panther Creek Meadows); Mt. Shasta nat'l Forest, , Panther Creek Meadows 2194 Comment
  UC618606  Ligusticum grayi W. Bridge Cooke 1938-9-8 11655 Siskiyou upper and middle meadows Squaw Creek Heather Meadows (also at Panther Creek, Wagon Camp, etc.); Mt. Shasta, Squaw Creek Heather Meadows Comment
  CAS-BOT-BC130519  Lilium Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  HSC60155  Lilium kelleyanum D. L. Goforth 1979-7-7 226 Siskiyou Klamath National Forest, Condrey Mtn. Comment
  CAS-BOT-BC509376  Lilium kelleyanum Marion Ownbey; Fred G. Meyer 1940-7-6 2200 Siskiyou In spring, Cayenne Ridge, Marble Mountain. Comment
  SEINET8263373  Lilium pardalinum Frank Callahan 1990-7-14 Siskiyou south slope of Mt. Shasta, Wagon Camp Meadows below lower McGinnis springs. 1762 Comment
  SEINET8264767  Lilium pardalinum Lincoln Constance 1928-6-9 Siskiyou Weed. Comment
  HSC69162  Lilium pardalinum subsp. pardalinum Maralyn A. Renner 1980-8-4 2205 Siskiyou Flint Valley 1390 Comment
  HSC77933  Lilium pardalinum subsp. wigginsii D. K. Imper 1982-7-22 1500 Siskiyou Near Beans Camp 1280 Comment
  HSC77935  Lilium pardalinum subsp. wigginsii D. K. Imper 1982-7-22 1502 Siskiyou Near Flint Valley 1402 Comment
  RSA12671  Lilium washingtonianum Carl B. Wolf 1934-7-6 6024 Siskiyou Southwest slope of Mt. Shasta along trail to Horse Camp 1524 Comment
  HSC33339  Lilium washingtonianum subsp. purpurascens William J. Ferlatte 1974-7-25 1583 Siskiyou Yellow Rose Mine 2073 Comment
  HSC566  Lilium washingtonianum subsp. purpurascens William J. Ferlatte 1966-8-4 296 Siskiyou Yellow Rose Mine 1982 Comment
  JEPS44109  Linanthus ciliatus W. B. and V. G. Cooke 1965-7-12 35179 Siskiyou Bolam Road Mt. Shasta Comment
  UC1286472  Linanthus ciliatus W. B. and V. G. Cooke 1965-7-12 35179 Siskiyou Bolam Road Mt. Shasta Comment
  UC1540248  Linanthus harknessii Dean W. Taylor 1987-6-24 9050 Siskiyou vicinity Mud Well 1371 Comment
  UC722477  Linanthus harknessii C. L. Hitchcock and J. S. Martin 1939-7-6 5214 Siskiyou on Takilma to Happy Camp road 1676 Comment
  CAS-BOT-BC240392  Linnaea borealis subsp. longiflora W. R. Dudley 1899-8-14 s.n. Siskiyou Near McCloud Comment
  UC61193  Linnaea borealis var. longiflora W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou Hearst Castle; Mount Shasta, Hearst Castle Comment
  HSC60001  Linum lewisii D. L. Goforth 1979-7-7 230 Siskiyou Klamath National Forest, Condrey Mtn., near Windy Camp. 2027 Comment
  JEPS82474  Lithophragma glabrum Gilbert Muth 1966-7-8 366 Siskiyou Marble Valley Meadow; Marble Mt. Wilderness Area, Marble Valley Meadow 1792 Comment
  JEPS47484  Lithophragma parviflorum Geo. D. Butler 1904-4-25 782 Siskiyou Quartz Valley Comment
  SEINET10497325  Lithospermum californicum Mary Susan Taylor 1980-7-8 Taylor 3088 Siskiyou T40N R4W sec 32, Weed quad; Shastan Trinity Natl Forest; on N side of Castle Laek Rd (39N24), ca. 0.9 mi W of its jct with 40N26 at SE side of Lake Siskiyou. 1036 Comment
  UC165429  Lomatium californicum Geo. D. Butler 1910-5-18 1359 Siskiyou near Yreka Comment
  UC1424943  Lomatium dissectum var. multifidum Frederick W. Oettinger 1969-7-9 946 Siskiyou slope nw Upper English Lake (high lake basins in vicinity of Eanglish Peak, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1844 Comment
  RSA237413  Lomatium dissectum var. multifidum Frederick W. Oettinger 1968-8-15 523 Siskiyou On east side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  JEPS101138  Lomatium engelmannii Dean W. Taylor 1996-6-18 15725 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1524 Comment
  CAS-BOT-BC211136  Lomatium engelmannii A. A. Heller 1922-7-3 13676 Siskiyou West of Wagon Creek 2286 Comment
  UC1400365  Lomatium macrocarpum Frederick W. Oettinger 1969-7-10 958 Siskiyou s.-s.w. Upper English Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1920 Comment
  HSC96814  Lomatium macrocarpum S. Lyon, J. McIntire 2006-6-25 30 Siskiyou 200 ft. W of intersection of FS 39N14 and 39N04 1616 Comment
  RSA78822  Lomatium nudicaule P. A. Munz 1952-7-2 17900 Siskiyou Baldy Mountain about 6 air miles west of Happy Camp, Siskiyou Mountains 1738 Comment
  RSA30660  Lomatium peckianum Lincoln Constance, R. Rollins 1942-5-14 2918 Siskiyou 1 mile E of Yreka 762 Comment
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  UC1552567  Lomatium peckianum William J. Ferlatte and Linda M. Barker 1988-5-19 2113 Siskiyou 5 1/2 mi. n.w. Weed (s. end Weed Airport, adjacent to runway taxi-lane, 100 yds. s. of Airport buildings at s. end of Airport Runway) 893 Comment
  JEPS17005  Lomatium piperi Geo. D. Butler 1910-3-14 1130 Siskiyou Yreka hills Comment
  CHSC79486  Lonicera ciliosa G. F. Hrusa 1998-7-5 14682 Siskiyou Northwest California. Siskiyou Mountains. S side of Little Grayback pass on Happy Camp-O'Brien Rd. Ca. side of State Boundary, nr. Indian Ck. Camp. 750 Comment
  POM67575  Lonicera ciliosa Geo. D. Butler 1910-8-1 1808 Siskiyou Yreka Creek. Comment
  HSC4901  Lonicera conjugialis J. O. Sawyer 1968-7-10 467 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC836  Lonicera conjugialis William J. Ferlatte 1967-7-9 693 Siskiyou Kidd Creek Trail. 1982 Comment
  RSA53845  Lotus corniculatus Ynez Whilton Winblad 1941-6-30 s.n. Siskiyou Between Oregon line and Yreka. Comment
  POM27063  Lotus crassifolius Geo. D. Butler 1910-6-6 1452 Siskiyou Quartz Valley. Comment
  UC163679  Lotus humistratus Geo. D. Butler 1910-7-3 1623 Siskiyou Goosenest foothills Goosenest 1219 Comment
  UC917243  Lotus oblongifolius var. oblongifolius R. Tofsrud and J. M. Tucker 1948-8-3 1777 Siskiyou 3 mi (by road) below Happy Camp to Waldo, Oreg. road summit Comment
  RSA756209  Lotus pinnatus Barbara J. Ertter, Julie Kierstead, Jim Nelson 1990-7-15 9355 Siskiyou Morgan Meadows on east side of Mount Eddy about 5 air miles due west of Mount Shasta City. 1677 Comment
  UC725960  Lotus purshianus var. purshianus A. A. Heller 1925-7-21 13899 Siskiyou near Edgewood; Shasta Valley Comment
  HSC30470  Lotus unifoliolatus var. unifoliolatus Frederick W. Oettinger, R. F. Thorne 1969-8-5 1215 Siskiyou Abbott's Upper Cabin, Salmon Mts. 1524 Comment
  POM27595  Lotus wrangelianus Geo. D. Butler 1910-6-27 1610 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC140203  Luetkea pectinata John Thomas Howell 1937-7-24 13397 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  RSA215614  Luetkea pectinata Gilbert Muth 1969-8-10 1330 Siskiyou Ridge W of Boulder Peak. 2348 Comment
  CAS-BOT-BC140245  Luetkea pectinata W. R. Dudley 1901-8-23 s.n. Siskiyou Rocky Creek, Foxtail Ridge, Salmon Mts. Comment
  CAS-BOT-BC198360  Lupinus Elmer I. Applegate 1923-9-6 3940 Siskiyou Klamath River about 20 miles below the mouth of Shasta River Comment
  CAS-BOT-BC201285  Lupinus Charles Piper Smith 1947-5-13 47274 A Siskiyou 7.4 miles east of Weed. Highway 97 Comment
  RSA119499  Lupinus C. P. Smith 1947-5-13 47269 Siskiyou 2.6 miles east of Weed. Highway 97. Comment
  JEPS83225  Lupinus albicaulis W. L. Jepson 1940-6-27 20041 Siskiyou e slope Mt. Shasta 1828 Comment
  JEPS106477  Lupinus albicaulis J. K. Nelson with J. R. Nelson 2004-7-4 2004 -61 Siskiyou S side Mount Shasta, W side Squaw Valley Creek above Road 31 in. Comment
  SEINET10452745 Image available Lupinus albicaulis subsp. shastensis A. Arthur Heller 1905-6-13 Heller 8024 Siskiyou Near Shasta Springs. Comment
  CHSC82791  Lupinus albicaulis var. shastensis L. P. Janeway 2002-7-12 7627 Siskiyou High Cascade Range. 2.7 km west of the summit of Ash Creek Butte; along west side of Road 19 (Military Pass Road) about 1.6 km south of the National Forest boundary. 1780 Comment
  POM26756  Lupinus albicaulis var. shastensis Geo. D. Butler 1910-6-6 1465 Siskiyou Quartz Valley. Comment
  UC1045291  Lupinus albicaulis var. shastensis W. Bridge Cooke 1940-6-7 15108 Siskiyou along the Pacific Highway near Black Butte; near Black Butte 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-BC195961  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou Fort Jones Comment
  RSA263032  Lupinus albifrons var. flumineus David B. Dunn, B. J. Cox 1971-6-9 17937 Siskiyou 9 mi. N of Weed, on U.S. Hwy 97, at Whitney Creek. Comment
  HSC22254  Lupinus andersonii J. O. Sawyer 1969-6-12 899 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  CAS-BOT-BC196355  Lupinus argenteus var. argenteus A. A. Heller 1928-6-9 14607 Siskiyou Near the creamery at Montague Comment
  RSA237888  Lupinus breweri var. breweri Frederick W. Oettinger 1967-7-25 183 Siskiyou Ridge SSE of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2223 Comment
  UC1481286  Lupinus croceus M. L. Conrad, LeDoux, and Kenney 1973-6-2 6981 Siskiyou 6 mi sw Callahan; sw of Callahan 1524 Comment
  JEPS19766  Lupinus croceus Rimo Bacigalupi with S. Galen Smith 1957-6-26 5963 Siskiyou about 3 1/2 mi below (ne of) Gumboot Lake (Canyon of South Fork of Sacramento River); Canyon of South Fork Sacramento River, ne of Gumboot Lake 1767 Comment
  UC1023832  Lupinus croceus Douglas Barbe 1955-7-26 288 Siskiyou n slope Scott Mtn. (at a small pond); Klamath Mountains, n slope of Scott Mtn. 1981 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
  SD125492  Lupinus croceus var. pilosellus P. Kenney, M. L. Conrad, D. B. Dunn 1973-6-4 384 A Siskiyou 6.4 miles west of Callahan, on steep roadbank along road from Cecilville to Callahan 1737 Comment
  SEINET10485330  Lupinus formosus Bruce A. Bohm, H. M. Banek 1980-5-6 Bohm BAB- 1378 Siskiyou I 5 roadside. Comment
  RSA430290  Lupinus klamathensis M. L. Conrad, David B. Dunn, LeDoux 1973-6-1 6968 Siskiyou East facing slope of road cut at the north edge of Hornbrook. 732 Comment
  SEINET10838198  Lupinus klamathensis Charles Piper Smith 1947-5-13 Smith 47279 Siskiyou Weed. Roadside. Hwy 99, s side. Comment
  HSC75194  Lupinus latifolius subsp. viridifolius K. T. Stillman 1976-7-7 165 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  JEPS65277  Lupinus latifolius var. viridifolius W. L. Jepson Aug. 1894 45 t Siskiyou Mt. Shasta Comment
  UC157002  Lupinus leucophyllus Geo. D. Butler 1908-7-16 365 Siskiyou Klamath River Comment
  RSA414436  Lupinus leucophyllus M. B. Dunkle 1944-7-15 9096 Siskiyou Siskiyou Nat'l Forest Comment
  UC1928018  Lupinus leucophyllus Rhonda Riggins 1993-6-17 1687 Siskiyou along CA 263, ca. 1 mi N of junction with CA 96, 0.5 mi S of jct. I5 Comment
  SEINET10488762  Lupinus luteolus Edwin B. Copel 1903-7-2 Copeland 3535 Siskiyou Klamathon. Comment
  UC81983  Lupinus nanus Thos. Howell 1889-4-14 1343 Siskiyou Hornbrook; Dry hillsides Hornbrook Comment
  SEINET10874244  Lupinus obtusilobus Robert T. Clausen, Harold Trapido 1940-7-27 Clausen 4969 Siskiyou In volcanic dust on w side of mountainhouse creek, 5 mi n-ne of summit of mt. Shasta. Sacramento river basin. Flowers violet-blue. 1981 Comment
  RSA104385  Lupinus onustus A. A. Heller 1905-6-15 8037 Siskiyou Near Sisson Comment
  SD88330  Lupinus sellulus Darley F. Howe 1972-7-8 Siskiyou 11.5 miles north of Weed on Highway 97. 4000 Comment
  SEINET10488898  Lupinus sellulus Katherine L. Morris 1973-5-25 Morris 279 Siskiyou Collected 1.4 mi ne of wheat on u.s. 97 In an area of yellow pine, purshia, and Manzanita at the side of a cemetery. Comment
  HSC14881  Lupinus subvexus var. subvexus Unknown Siskiyou Lava Beds N.M., Canby Bay 1220 Comment
  RSA296805  Lupinus subvexus var. subvexus Geo. D. Butler 1909-5-13 704 Siskiyou Klamath Hills near Yreka. Comment
  POM26284  Lupinus subvexus var. transmontanus Geo. D. Butler 1910-5-21 1373 Siskiyou Klamath hills Comment
  CAS-BOT-BC436703  Luzula comosa var. laxa John Thomas Howell 1937-7-22 13278 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  RSA211370  Luzula divaricata William J. Ferlatte 1966-8-19 452 Siskiyou Head of Kidd Creek. Trinity Alps. 2134 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
  JEPS84031  Luzula parviflora L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6414 Siskiyou ca 5 mi n of the town Seiad Valley (e slope Kangaroo Mountain, cirque at head of Hell's Canyon); e slope Kangaroo Mountain, cirque at head Hell's Canyon 1828 Comment
  HSC31127  Luzula parviflora J. O. Sawyer 1971-8-19 2454 Siskiyou 2012 Comment
  JEPS101272  Luzula subcongesta Dean W. Taylor 1975-8-14 5358 Siskiyou Mt. Shasta, between Shasta Ski Bowl and Green Butte 2743 Comment
  UCD77847  Luzula subcongesta Robert E. Preston 2001-6-23 1554 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W ne 1/4 of se 1/4 Section 14 1828 Comment
  POM261536  Machaeranthera canescens var. shastensis Alice Eastwood 1912-7-16 1120 Siskiyou Mt. Cloud. Comment
  RSA233663  Machaeranthera canescens var. shastensis R. F. Thorne, Fred Oettinger 1969-8-10 39003 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  CAS-BOT-BC342671  Madia citriodora Geo. D. Butler 1910-5-17 1364 Siskiyou Yreka Comment
  UC165404  Madia citriodora Geo. D. Butler 1909-5-14 698 Siskiyou Klamath River Comment
  UCD135763  Madia elegans Bruce G. Baldwin 1986-7-20 616 Siskiyou junction of California State Highway 96 and U.S. Forest Service Road 46N52 (west of town of Klamath River). Comment
  POM31388  Madia elegans subsp. elegans Geo D. Butler 1910-5-27 1413 Siskiyou Dry land near Yreka Comment
  CHSC71473  Madia exigua Vernon H. Oswald; Lowell Ahart 1998-7-12 9355 Siskiyou Northeast of Weed, east of Grass Lake, and west of Bray on Old State Highway 0.8 mi east of Tennant Rd. 1417 Comment
  CAS-BOT-BC343445  Madia gracilis A. A. Heller 1914-8-25 11707 Siskiyou Near Deetz Station opposite (near) Black Butte 1158 Comment
  UCR45390  Madia gracilis D. H. Norris 1970-5-23 12233 Siskiyou Along Klamath River at Ishi Pishi [Rd.] Bridge near Somes Bar 145 Comment
  CAS-BOT-BC343437  Madia gracilis Wm. Bridge Cooke 1938-6-17 11030 Siskiyou Mt. Shasta 1371 Comment
  RSA28129  Madia minima Elmer I. Applegate 1936-5-18 10319 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  POM149223  Mahonia aquifolium E. B. Copeland 1903-8-19 3810 Siskiyou Mt. Eddy. 1463 Comment
  POM224453  Mahonia aquifolium H. P. Bracelin 1936-5-12 849 Siskiyou North base of Mt. Eddy, 11 miles N.W. of Mt. Shasta City; about 2 miles E. of Burney Mill; flat beside creek at bridge. 1128 Comment
  RSA136408  Mahonia aquifolium P. C. Everett, E. K. Balls 1959-10-23 23938 Siskiyou 5.4 mi. nw. from Trinity-Siskiyou Co. line, rd. from Trinity Center to Callaban. 1585 Comment
  SEINET10446714  Mahonia nervosa LeRoy E. Detling 1947-6-4 Detling 6124 Siskiyou Grey Eagle Mine, Slater Butte, Klamath Nat'l Forest. T17N R7E S14 853 Comment
  RSA183443  Maianthemum stellatum J. M. Tucker 1963-7-5 3702 Siskiyou Blake s Fork of South Russian Creek (a tributary of the Salmon River), ca. 7 miles (airline) east of Sawyer s Bar, Salmon Mountains. 1616 Comment
  RSA211116  Malva neglecta W. J. Ferlatte 1966-8-3 261 Siskiyou Siskiyou Co., Mountain Meadow Ranch 1524 Comment
  CAS-BOT-BC269230  Melica aristata Wm. Bridge Cooke 1938-7-22 11335 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  JEPS118733  Melica aristata Julie Kierstead Nelson 2008-7-12 2008 -002 Siskiyou South slope of Mt. Shasta. Elk Spring 7.5' quad. Comment
  HSC22488  Melica bulbosa J. O. Sawyer 1969-7-2 1025 Siskiyou SW facing upper slope SW of Upper Lake. 2378 Comment
  HSC5  Melica fugax William J. Ferlatte 1966-6-23 127 Siskiyou Yellow Rose Mine. 1982 Comment
  CAS-BOT-BC282118  Melica geyeri Geo. D. Butler 1904-5-26 824 Siskiyou Near Yreka Comment
  HSC71444  Melilotus albus J. P. Smith, Steve Selva 1970-8-9 4577 Siskiyou In potato fields W of Macdoel. Comment
  RSA60493  Melilotus albus John H. Thomas 1949-6-16 940 Siskiyou 10 miles north of Gazelle. Comment
  RSA733949  Mentzelia multiflora J. Russell Bruff 1928-7-9 s.n. Siskiyou Summit of Jerome Mt. Comment
  CAS-BOT-BC429261  Micranthes oregana Alice Eastwood 1923-5-22 11890 Siskiyou Sissons [Sisson] Comment
  CAS-BOT-BC322662  Microseris laciniata K. L. Chambers 1969-5-26 2933 Siskiyou Salmon River, between Somes Bar and Forks of the Salmon, 1.3 miles east of Lewis Creek Comment
  CAS-BOT-BC322665  Microseris laciniata J. W. Congdon 1900-8-9 s.n. Siskiyou Sisson Comment
  HSC45158  Microseris nutans J. O. Sawyer, E. Cope 1977-6-19 2948 Siskiyou Clear Creek Trail between Preston Creek and Trout Camp 915 Comment
  CDA41682  Mimulus alsinoides D. Osterhandt & D. H. Shaw 1978-3-31 s.n. Siskiyou Between Forks of Salmon and Somes Bar. 0 Comment
  UCR61242  Mimulus breweri Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  HSC22473  Mimulus breweri J. O. Sawyer 1969-7-1 994 Siskiyou SE slope above Paynes Lake Creek 1921 Comment
  HSC36527  Mimulus breweri J. O. Sawyer 1969-7-1 974 Siskiyou SE slope above Paynes Lake Creek 1921 Comment
  RSA237538  Mimulus breweri Frederick W. Oettinger 1969-8-13 1360 Siskiyou main camp site, English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC922555  Mimulus cardinalis Annie M. Alexander and Louise Kellogg 1948-9-5 5583 Siskiyou near mouth Matthews Creek; Siskiyou Mountains, South Fork of Salmon River Comment
  RSA60485  Mimulus guttatus John H. Thomas 1949-6-16 939 Siskiyou 10 miles north of Gazelle. Comment
  JEPS95062  Mimulus mephiticus Vernon Oswald and Lowell Ahart 1997-7-28 8774 Siskiyou 16 mi. s. Medicine Lake (Forest Rte. 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte)) 1365 Comment
  JEPS11712  Mimulus microphyllus F. W. Pennell 1940-6-20 26203 Siskiyou w Bartle (Route 89) 1158 Comment
  HSC72488  Mimulus moschatus J. P. Smith, Steve Selva 1970-6-16 4059 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  RSA211451  Mimulus moschatus William J. Ferlatte 1966-8-3 282 Siskiyou Josephine Lake basin. 1921 Comment
  HSC36559  Mimulus moschatus J. O. Sawyer 1969-7-18 1379 Siskiyou Ridge above S Russian Creek 1921 Comment
  HSC428  Mimulus moschatus William J. Ferlatte 1967-7-8 673 Siskiyou Along the Yellow Rose Mine Trail 1829 Comment
  RSA211426  Mimulus moschatus William J. Ferlatte 1967-8-19 1035 Siskiyou Trinity Alps: Along the South 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
  HSC99277  Mimulus nanus var. jepsonii D. M. Thompson 1988-6-4 931 Siskiyou Ca. 1.5 air mi. SE of Deadhorse Summit. 1.3 mi. NW of Shasta Co. line along Hwy. 89 396 Comment
  UCR72690  Mimulus nanus var. jepsonii D. M. Thompson 1988-6-4 932 Siskiyou 8.0 mi east of McCloud along Hwy 89. SW corner of jct of Bigelow Meadows Road and Hwy 89 from USFS Road 40N16; 2.4 mi west of turnoff for Cattle Camp (Cattle Camp Road); 2.0 mi west of USFS Ash Creek Station 1100 Comment
  UCSB59405  Mimulus nanus var. jepsonii Thompson, David 1988-6-4 Siskiyou 8.0 mi E of McCloud along Hwy 89; SW corner of jct of Bigelow Meadows Road and Hwy 89; Opposite Hwy 89 from USFS Road 40N16; 2.4 mi W of turnoff for Cattle Camp (Cattle Camp Road); 2.0 mi W of USFS Ash Creek Station; T39N, R1W, S5 1100 Comment
  JEPS3167  Mimulus nanus var. nanus George D. Butler 1908-6-29 60 Siskiyou Cherry Creek 1066 Comment
  JEPS47723  Mimulus nanus var. nanus W. B. and V. G. Cooke 1966-7-16 37213 Siskiyou above Hotlum Station; Mt. Shasta 1676 Comment
  UC722669  Mimulus nanus var. nanus C. L. Hitchcock, J. S. Martin 1939-7-9 5318 Siskiyou between King's Castle and Black Mt. (w side of ridge) 1828 Comment
  RSA161100  Mimulus nanus var. nanus Peter H. Raven 1962-5-30 17902 Siskiyou US Hwy 97, 8.3 miles north of Weed. Comment
  RSA48209  Mimulus nanus var. nanus Roxana S. Ferris, Laura Lorraine 1948-6-12 11851 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side. 1418 Comment
  UCD122772  Mimulus nanus var. nanus John M. Tucker 1963-7-7 3724 Siskiyou vicinity of Paradise Lake, at east base of Kings Castle on east side; Marble Mountain Wilderness Area. 1981 Comment
  UCD122891  Mimulus primuloides var. linearifolius Dean William Taylor 1972-7-3 1603 Siskiyou At Cook and Green Pass. 1371 Comment
  RSA666377  Mimulus primuloides var. linearifolius Barbara J. Ertter, Julie Kierstead, James Nelson 1990-7-15 9354 Siskiyou Morgan Meadows on east side of Mount Eddy about 5 air miles due west of Mount Shasta City. 1677 Comment
  HSC104138  Mimulus pulsiferae Dana York 2012-7-21 3128 Siskiyou Klamath National Forest, 470 m E of Red Butte, along the road and springs around Bee Camp 1720 Comment
  HSC32164  Mimulus pulsiferae J. O. Sawyer 1970-6-17 2205 Siskiyou Dry slopes N of Sugar Lake 1799 Comment
  JEPS22411  Mimulus pulsiferae Francia Chisaki, Gene B. Newcomb 1958-6-21 1150 Siskiyou n McCloud (on road to Ice Cave); Squaw Valley Creek 1158 Comment
  HSC77097  Mimulus tilingii K. T. Stillman 1976-8-7 366 Siskiyou Marble Mtn. Wilderness Area, trail to Marble Valley Guard Station Comment
  RSA423560  Minuartia douglasii Christopher Davidson 1975-6-5 2662 Siskiyou Just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  HSC45195  Minuartia nuttallii subsp. gregaria J. O. Sawyer, E. Cope 1977-6-21 2988 Siskiyou Along Kelsey Trail W of Bear Lakes 1677 Comment
  HSC99823  Minuartia nuttallii subsp. gregaria G. L. Clifton, Terry Griswold 1979-6-28 6146 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  NY342563  Minuartia stolonifera T. W. Nelson 1985-6-19 7839 Siskiyou Along south side of State Route 3; 3.1 miles north of Scott Mountain Pass 1219.2 Comment
  RSA276571  Mirabilis greenei George Pilz 1973-5-26 997 Siskiyou Along the Klamath River, 1 mile W of I-5, along Route 96 700 Comment
  RSA276601  Mirabilis greenei George Pilz 1972-5-29 800 Siskiyou 4 miles N of Yreka, above the Shasta River. 700 Comment
  RSA30657  Mirabilis greenei Lincoln Constance, Reed Rolllins 1942-5-14 s.n. Siskiyou Shasta River, 4 miles north of Yreka. 762 Comment
  CAS-BOT-BC433015  Mitella diversifolia Roxana S. Ferris; Laura Lorraine 1948-6-12 11783 Siskiyou Small tributary of Etna Creek below Mill Creek Bridge 1066 Comment
  CAS-BOT-BC433019  Mitella diversifolia Clarence R. Quick 1959-6-19 59 -18 Siskiyou 6.7 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  HSC4887  Mitella pentandra J. O. Sawyer 1968-7-10 520 Siskiyou S side of Sugar Creek. 1616 Comment
  CAS-BOT-BC433077  Mitella trifida T. H. Harris 1951-6-1 s.n. Siskiyou Happy Camp 1066 Comment
  RSA183701  Mitella trifida Gilbert Muth 1965-8-18 236 Siskiyou Marble Mts.; trail behind Black Mt. Comment
  UC1408865  Mitella trifida Frederick W. Oettinger 1969-8-22 1484 Siskiyou Pierce's Draw Salmon Mountains, Marble Mountain Wilderness Area, Vicinity (head, w Siskiyou Co.) 1828 Comment
  UC1540136  Monardella odoratissima subsp. glauca Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-7 9264 Siskiyou Caldwell Butte, on crater floor at n interior Lava Beds National Monument 1499 Comment
  UC2035803  Monardella odoratissima subsp. glauca W. Bridge Cooke 1938-9-8 11624 Siskiyou Lava flats above Panther Creek Meadow; Mount Shasta Comment
  UC2035944  Monardella odoratissima subsp. glauca W. Bridge Cooke 1940-7-26 15361 Siskiyou Near Black Butte Spring Comment
  CAS-BOT-BC222174  Monardella odoratissima subsp. pallida C. L. Hitchcock; J. S. Martin 1939-7-6 5213 Siskiyou On Takilma-Happy Camp road 1676 Comment
  RSA12593  Monardella odoratissima subsp. pallida Carl B. Wolf 1934-7-6 5993 Siskiyou 3 mi. from Mt. Shasta City on Wagon Camp Road. SW slope of Mt. Shasta. 1220 Comment
  RSA401653B  Monardella odoratissima subsp. pallida Bonnie C. Templeton 1960-6-21 8590 Siskiyou Near summit of Scott Mt. Comment
  UC883623  Monardella odoratissima subsp. pallida Lewis S. Rose 1937-7-25 37587 Siskiyou S. slope of Mt. Shasta. 1767 Comment
  SEINET10582082  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 347 Siskiyou Mt. Shasta National Forest, Mt. Shasta. Memorial Hwy. from the 2nd road to Sand Flats going down the Mt., on both sides of the road. Locally frequent at the edge of mixed conifer forest of Abies magnifica, A. concolor, Pinus ponderosa, Pseudotsuga menziesii, Calocedrus decurrens, with Ceanothus sp., Arctostaphylos uva-ursi and A. sp. Comment
  SEINET5333389  Monardella odoratissima subsp. pallida A. Sanger 1996-7-16 2423 Siskiyou In small meadow and sharp turn ~1 mile N of County Road 97. 1817 Comment
  CAS-BOT-BC220231  Monardella sheltonii Carl B. Wolf 1927-8-26 1078 Siskiyou On the Klamath River near Hamburg Comment
  CAS-BOT-BC313729  Monardella siskiyouensis Clare Butterworth Hardham 1965-8-1 13080 Siskiyou Sulphur Springs Rd near Happy Camp Comment
  CAS-BOT-BC453477  Monotropa hypopitys Ira L. Wiggins 1955-7-21 3855 Siskiyou In small gulch on Rush Creek Trail, 1.5 mi. above Mt. View Ranch 1036 Comment
  CAS-BOT-BC453478  Monotropa hypopitys Volney Rattan 1879-6-1 s.n. Siskiyou Klamath Comment
  RSA760936  Monotropa hypopitys R. F. Thorne, Frederick W. Oettinger 1969-8-4 63357 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  HSC33979  Montia linearis J. P. Smith 1974-5-25 7472 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  JEPS93814  Montia linearis Vernon H. Oswald and Lowell Ahart 1998-6-11 9204 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on the s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  UC1733723  Montia linearis Kay H. Beach, Frank Gould 1940-5-15 627 Siskiyou Bull Meadows Comment
  CAS-BOT-BC445203  Montia parvifolia Carl B. Wolf 1927-8-27 1141 Siskiyou On the Klamath River at the mouth of Crawford Creek Comment
  CAS-BOT-BC445215  Montia parvifolia Alice Eastwood 1923-5-20 11858 Siskiyou Shasta Springs Comment
  RSA211297  Montia parvifolia William J. Ferlatte 1966-7-7 220 Siskiyou Big Flat, wooded area near public camp. 1524 Comment
  RSA60791  Montia parvifolia Dorothy Parker 1948-7-8 87 Siskiyou Among Alders in wet granitic sand (shady), Etnar Creek, Salmon Mtn. 915 Comment
  UCD101765  Montia parvifolia J. P. Smith; Steve Selva 1970-6-16 4056 Siskiyou 8 milse west of Etna on road to Sawyers Bar. 1371 Comment
  SEINET7296346 Image available Muhlenbergia andina Beecher Crampton 1956-1 3837 Siskiyou Boulder strewn, wet banks of a mountain stream, lower slopes of White Ridge, canyon of the south fork of the Sacramento River. 1372 Comment
  UC1949300  Muhlenbergia filiformis Barbara Ertter 1900-7-14 9318 Siskiyou E side Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mi N of Morgan Meadows, steep E-facing serpentine hillside Comment
  SEINET10827781  Muhlenbergia filiformis Paul M. Peterson, Carol R. Annable 1988-8-14 Peterson 4862 Siskiyou Shasta-Trinity National Forest, 8 mi E of McCloud off Hwy 89 and 1 mi S towards McCloud River. Pinus ponderosa, Arctostaphylos patula, Purshia tridentata, and Ceanothus spp. Comment
  RSA268994  Muhlenbergia jonesii J. R. Reeder, C. G. Reeder 1972-7-24 5807 Siskiyou 1.5 miles SSE of Bartle 1220 Comment
  HSC100332  Muhlenbergia richardsonis J. P. Smith 2011-7-15 13300 Siskiyou Off Tennant Road at a large, open borrow pit 1417 Comment
  JEPS117637  Myriophyllum sibiricum Lowell Ahart, John Dittes 2010-7-30 16941 Siskiyou About 30 yards northwest of the East Louie Road Bridge, along the west edge of the Shasta River, 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
  SD82206  Myriopteris gracillima Louis C. Wheeler 1934-8-2 3021 Siskiyou Siskiyou Mountains, Head Jaynes Canyon 2075 Comment
  RSA74810  Nama lobbii F. W. Peirson 1923-7-19 3821 Siskiyou Whitney Creek at the foot of Mt. Shasta. Comment
  HSC96412  Narthecium californicum Gordon Leppig, J. Kalt 1996-7-9 366 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  RSA68912  Narthecium californicum A. E. Culbertson 1943-8-4 46 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 miles southwest 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
  UC1540246  Navarretia capillaris Dean W. Taylor 1987-6-26 9077 Siskiyou 2 mi se from Medicine Lake (Paynes Springs); se from Medicine Lake, Paynes Springs 1996 Comment
  SEINET14055717  Navarretia capillaris L. C. Wheeler 1935-7-26 3699 Siskiyou Jaynes Canyon, Siskiyou Mts. 1951 Comment
  POM74489  Navarretia intertexta Edward Palmer 1892-7-13 2451 Siskiyou Mt. Shasta and vicinity. Comment
  JEPS101668  Navarretia intertexta subsp. propinqua Dean W. Taylor 1999-6-9 17245 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  JEPS70411  Navarretia intertexta subsp. propinqua Geo. D. Butler 1909-6-5 998 Siskiyou near Yreka Comment
  UC1112262  Navarretia leucocephala subsp. minima R. C. Bacigalupi with S. Galen Smith 1957-6-26 5935 Siskiyou ca 2 mi n Weed (along Highway 99) 1036 Comment
  POM75061  Navarretia pubescens Geo D. Butler 1909-5-10 740 Siskiyou Near Yreka. Comment
  CHSC86453  Navarretia sinistra subsp. sinistra Jenny Marr 1993-7-1 70 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  UC726906  Nemophila parviflora var. austiniae A. A. Heller 1919-6-20 13257 Siskiyou Metcalf's Comment
  RSA211323  Nemophila parviflora var. austiniae William J. Ferlatte 1967-7-9 698 Siskiyou Kidd Creek Trail. 1982 Comment
  SEINET1004225  Nicotiana attenuata Mark Fishbein, Lane Greer 2006-1 5884 Siskiyou West Rim of Mammoth Crater, Lava Beds National Monument, about 8 mi north-northeast of Medicin Lake. 1650 Comment
  RSA48579  Noccaea P. A. Munz 1949-5-18 13303 Siskiyou N of Trinity-Siskiyou co line, N of Trinity Center, road from Trinity Center to Callahan. 1585 Comment
  CAS-BOT-BC60568  Noccaea fendleri subsp. glauca Alice Eastwood 1912-8-30 2031 Siskiyou Mount Eddy. Comment
  CAS-BOT-BC60571  Noccaea fendleri subsp. glauca Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Trinity Mountains. Gumboot Lake. 1828 Comment
  CAS-BOT-BC60592  Noccaea fendleri subsp. glauca Harley P. Chandler 1901-6-1 1689 Siskiyou North Coast Ranges. Marble Mountain. 2438 Comment
  UC2013020  Noccaea fendleri subsp. glauca Barbara Ertter 1990-7-14 9337 Siskiyou Wagon Creek on E side of Mt. Eddy, ca. 4 air miles W of Mt. Shasta City. Comment
  HSC34115  Noccaea fendleri subsp. glauca J. O. Sawyer 1971-7-15 2425 Siskiyou Along Red Rock Valley Creek 1585 Comment
  UC1070113  Nothocalais troximoides R. D. Roseberry 1936-5-21 43 Siskiyou 1 mi ne Whitney Butte; Dorris Quad., Modoc Lava Beds National Monument Comment
  HSC63244  Nothochelone nemorosa M. A. Baker 1979-7-31 1084 Siskiyou Marble Mtn. Wilderness, Tickner Hole 3100 Comment
  NY790540  Nothochelone nemorosa J. P. Tracy 1935-8-1 14420 Siskiyou Head of Knownothing Creek. 1 mile northeast of Summit Mine, 3 miles southeast of Salmon Summit. 1767.8 Comment
  RSA238825  Nothochelone nemorosa Frederick W. Oettinger 1967-7-30 225 Siskiyou Between Abbott's Lake and Charmine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA0013797  Nuphar lutea subsp. polysepala Frederick W. Oettinger 1968-8-12 488 Siskiyou Pond due W of the W cove of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1936 Comment
  SEINET5345688  Oenothera deltoides var. piperi G. Butler Unknown 2000 Siskiyou No data. Comment
  SD61051  Oenothera tanacetifolia D. F. Howe 1964-8-5 Siskiyou 4.4 mi. south of Dorris on #97. 1280 Comment
  CDA37696  Onopordum acanthium Robin Breckenridge 2005-7-19 s.n. Siskiyou South Weed Exit, trucking parking area. 0 Comment
  CDA7576  Onopordum tauricum T. C. Fuller 1960-6-3 4648 Siskiyou F. Voelker property, west edge of Meiss Lake Basin just south of Sam s Neck, ca. 15 miles southwest of Dorris. 0 Comment
  UCD134659  Onopordum tauricum W. T. Parsons; T. C. Fuller 1960-7-26 4878 Siskiyou Fred Voelker Ranch, west edge of Meiss Lake Basin, just south of Sam's Neck, ca. 15 miles southwest of Dorris. Comment
  CAS-BOT-BC500192  Orobanche fasciculata A. M. Vollmer; L. Beane 1951-6-2 83 Siskiyou Happy Camp, Klamath River Highway Comment
  UC1299157  Orobanche uniflora subsp. occidentalis Freed W. Hoffman 1950-7-13 3767 Siskiyou Baldy Lookout, western Siskiyou County. Comment
  HSC61868  Orogenia fusiformis Ruby Van Deventer 21 May [year missing] Siskiyou Poker Flat 1585 Comment
  HSC296  Orthilia secunda William J. Ferlatte 1966-8-17 394 Siskiyou Caribou Basin 2134 Comment
  HSC69387  Orthilia secunda Maralyn A. Renner 1980-8-31 2664 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  UC922457  Orthilia secunda Annie M. Alexander and Louise Kellogg 1949-7-28 5877 Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  UCR101272  Orthilia secunda L. C. Wheeler 1959-7-25 7594 Siskiyou Marble Mountains, Camp Three, Rogers Creek 329 Comment
  UCSB24414  Orthilia secunda Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp 1402 Comment
  CAS-BOT-BC458083  Orthilia secunda D. Parker; Wayne Roderick 1967-7-27 s.n. Siskiyou High road S of Etna 1676 Comment
  CAS-BOT-BC458090  Orthilia secunda Ira L. Wiggins 1955-7-29 13582 Siskiyou Summit of ridge above Thompson Creek, trail to Caribou Lake 1999 Comment
  CAS-BOT-BC458094  Orthilia secunda Lester Rowntree 1937-7-8 s.n. Siskiyou Happy Camp Rd. Comment
  RSA0083188  Orthilia secunda M. B. Dunkle 1944-7-18 9154 Siskiyou Sterling Mt. 1890 Comment
  RSA0083195  Orthilia secunda Gilbert Muth 1966-7-29 463 Siskiyou Marble Valley, by waterfall, Marble Mountains. 1829 Comment
  HSC95774  Orthocarpus cuspidatus subsp. copelandii R. J. Mastrogiuseppe, J. D. Mastrogiuseppe 1974-9-2 170 Siskiyou W slope of ridge of Red Rock Mtn. 2134 Comment
  JEPS4543  Orthocarpus cuspidatus subsp. copelandii L. E. Smith 1913-9-1 Siskiyou Mt. Eddy Comment
  RSA182028  Orthocarpus cuspidatus subsp. copelandii Louise Kellogg 1953-8-8 116 Siskiyou Scott Mountain Public Campground, Klamath National Forest. 1631 Comment
  UC454802  Orthocarpus imbricatus I. J. Condit 1911-7-15 Siskiyou McCloud Comment
  UCD123245  Orthocarpus tenuifolius A. H. Murphy 1956-8-14 56 G Siskiyou Klamath National Forest, pass on trail west of Marshy Lake. 2133 Comment
  JEPS84040  Osmorhiza occidentalis L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6409 Siskiyou ca 5 mi n town of Seiad Valley (cirque at head of canyon); Hell's Canyon 1750 Comment
  RSA215605  Osmorhiza occidentalis Gilbert Muth 1969-8-6 1260 Siskiyou Boulder Peak Ridge 2470 Comment
  UC1408820  Oxyria digyna Frederick W. Oettinger 1969-8-25 1543 Siskiyou 400 yards from English Peak trail (ne facing slope above Tanner Peak trail, high lake basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2133 Comment
  UC1045303  Packera cana W. B. Cooke 1940-8-22 15478 Siskiyou along w rim Mud Creek Canyon; Mount Shasta, w rim Mud Creek Canyon Comment
  UC53872  Packera cana H. M. Hall and E. B. Babcock June 1903 4095 Siskiyou near Sheep Rock; n side Mount Shasta 853 Comment
  CAS-BOT-BC316753  Packera cana William Bridge Cooke 1940-8-22 15478 Siskiyou A medium sized colony occurs near the upper limits of the Hudsonian Zone along the west rim of Mud Creek Canyon 2743 Comment
  UC585067  Paeonia brownii E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1883 Siskiyou n slope of mt. about 2 mi s Sheep Rock (on hwy from Bray to Weed); Mt. Shasta 1235 Comment
  CAS-BOT-BC202862  Paxistima myrsinites Wm. F. Herrin 1918-5-15 s.n. Siskiyou Shasta Springs Comment
  HSC68882  Paxistima myrsinites Maralyn A. Renner 1980-9-1 2756 Siskiyou Trail from Doe Flat to Trout Camp 1098 Comment
  POM87427  Paxistima myrsinites Geo. D. Butler 1909-4-11 656 Siskiyou Shasta Retreat. Comment
  RSA1654  Paxistima myrsinites C. B. Wolf 1930-10-22 1751 Siskiyou 3 miles S of Mt. Shasta City. Comment
  RSA758226  Paxistima myrsinites R. F. Thorne 1969-8-2 63324 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  UC796536  Pectocarya penicillata Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11785 Siskiyou outskirts Etna Comment
  POM72145  Pectocarya pusilla Geo. D. Butler 1910-5-8 1306 Siskiyou Near Yreka. Comment
  CHSC1834  Pedicularis attollens V. Holt 1932-7-10 Siskiyou Mt. Eddy. 1828 Comment
  HSC76666  Pedicularis bracteosa var. flavida K. T. Stillman 1976-7-23 306 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  UC1409424  Pedicularis contorta Frederick W. Oettinger 1968-8-22 599 Siskiyou ridge below Diamond Lake on way to English Peak (High Lake Basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2225 Comment
  HSC36885  Pedicularis densiflora J. P. Smith 1974-5-26 7547 Siskiyou Along FS Rd. 47N03 1524 Comment
  UC138962  Pedicularis racemosa Dr. E. B. Copeland 1903-8-17 3904 Siskiyou Mount Eddy; Pacific Coast 1463 Comment
  UCD123294  Pedicularis racemosa J. M. Tucker; D. V. Hemphill 1974-7-26 4289 Siskiyou Let 'Er Buck Meadows, ca. 0.5 mile southeast of Haypress Meadows, Marble Mountain Wilderness Area. 1432 Comment
  IRVC4790  Pellaea brachyptera William B. Cooke 1941-9-5 16275 Siskiyou MacBride Springs Mt. Shasta Comment
  CAS-BOT-BC67680  Pellaea brachyptera Marion Ownbey; D. H. Brown 1941-6-22 2424 Siskiyou Ridge, west of Craggy Mountain, northwest of Yreka. Comment
  SEINET9628403 Image available Pellaea brachyptera William Bridge Cooke 1941-9-5 16275 Siskiyou Common on the bluff above MacBride Springs. 1524 Comment
  HSC26148  Pellaea breweri J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5689 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  CDA17133  Penstemon anguineus G. F. Hrusa 2001-6-6 15847 Siskiyou Siskiyou Mountains; Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. 1424 Comment
  HSC76659  Penstemon anguineus K. T. Stillman 1976-7-22 292 Siskiyou Marble Mtn. Wilderness Area Comment
  SJSU6074  Penstemon anguineus R. W. Trivelpiece 1971-7-27 62 Siskiyou Blue Ridge between Sawyers Bar & Cecilville, SW of Eddy Gulch Lookout, Salmon R Mts 1371 Comment
  UC1238944  Penstemon anguineus Freed W. Hoffman 1948-7-8 2585 Siskiyou Waldo-Happy Camp Road n West Branch Camp (western Siskiyou County); North Coast Ranges, n of West Branch Camp 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
  CHSC30325  Penstemon cinicola M. S. Taylor 1980-8-18 3259 Siskiyou Pumice Stone Well, 0.5 mi n of Pumice Stone Mt. 1950 Comment
  SBBG7135  Penstemon davidsonii H. and M. Dearing 1936-7-1 3775 Siskiyou Salmon Divide 1217 Comment
  CAS-BOT-BC265376  Penstemon davidsonii var. davidsonii Marion Ownbey; Fred G. Meyer 1940-7-4 2185 Siskiyou On ridge above head of Brewer Creek, E side of Mount Shasta Comment
  NY590160  Penstemon davidsonii var. davidsonii D. D. Keck 1927-8-17 1310 Siskiyou Horse Camp, on south side of Mount Shasta. Timberline here. 2470 Comment
  HSC26106  Penstemon deustus J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5673 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  CDA41876  Penstemon deustus T. C. Fuller 1962-6-11 8953 Siskiyou East side of Highway 99 to Weed, 0.7 mile north of Black Butte Summit. 0 Comment
  HSC26186  Penstemon deustus J. P. Smith, J. O. Sawyer 1972-5-28 5380 Siskiyou Cecilville-Forks of Salmon 762 Comment
  RSA716056  Penstemon deustus var. suffrutescens L. Ahart 2005-6-9 12037 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  UC164358  Penstemon deustus var. suffrutescens Geo. D. Butler 1908-7-12 434 Siskiyou dry hills near Yreka; Dry hills near Yreka Comment
  NY609839  Penstemon deustus var. suffrutescens E. I. Applegate 1898-5-15 2136 Siskiyou Along Klamath River, between Shovel Creek and Fall Creek 792.5 Comment
  SD104854  Penstemon filiformis Darley F. Howe 1979-6-25 5197 Siskiyou Somes Bar Comment
  CHSC65847  Penstemon gracilentus Maria Ulloa-Cruz 1994-8-3 45 Siskiyou Mount Shasta Ranger District. On slope above Panther Creek tributary. 2000 Comment
  HSC26563  Penstemon gracilentus J. P. Smith, J. O. Sawyer 1972-8-20 5755 Siskiyou Slope of Mt. Hoffman 2134 Comment
  SBBG7148  Penstemon gracilentus H. and M. Dearing 1948-9-12 6727 Siskiyou Mt Shasta 2316 Comment
  UC1483496  Penstemon gracilentus J. Sawyer and J. Cole 1980-7-21 3882 Siskiyou near Haight Mtn. (along F.S. rd running ssw); Klamath National Forest, Bray Quad. 1938 Comment
  NY601602  Penstemon heterodoxus var. shastensis W. L. Jepson 1940-7-1 20077 Siskiyou Fowlers Camp, McCloud River, 6 miles east of McCloud 975.4 Comment
  SBBG51817  Penstemon heterodoxus var. shastensis C. Bornstein 1996-6-29 Siskiyou Grass Lake Rest Stop 1531 Comment
  CDA41856  Penstemon laetus subsp. sagittatus L. Ahart, John Dittes 2005-6-9 12029 Siskiyou 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. Comment
  CAS-BOT-BC105087  Penstemon laetus var. sagittatus R. C. Wenk 2008-7-25 956 Siskiyou Trail from where the Pacific Crest Trail crosses Forest Highway 93 / Cecilville Rd. (6,200 ft) to Hidden Lake (6,660 ft) 2029 Comment
  NY604565  Penstemon laetus var. sagittatus C. L. Hitchcock 1939-7-6 5210 Siskiyou On Takilma-Happy Camp road 1676.4 Comment
  RSA305802  Penstemon laetus var. sagittatus James R. Shevock 1972-7-26 2229 Siskiyou Fork of the Salmon and Klamath R. 610 Comment
  UC496170  Penstemon laetus var. sagittatus L. B. Kildale 1930-7-1 Siskiyou Salmon River at Sawyer's Bar; Salmon River at Sawyer's Bar Comment
  CAS-BOT-BC239331  Penstemon newberryi var. berryi R. E. Frenkel 1965-6-14 952 Siskiyou On Everitt Memorial Highway near Mount Shasta 1524 Comment
  CAS-BOT-BC239338  Penstemon newberryi var. berryi Carl B. Wolf 1937-8-8 9082 Siskiyou SW. side of Mt. Shasta, 1/2 mi. S. of trail to Horse Camp 1524 Comment
  JEPS5711  Penstemon newberryi var. berryi Geo. D. Butler 1909-7-15 936 Siskiyou Highland Mine Comment
  JEPS74527  Penstemon newberryi var. berryi W. J. Ferlatte 1966-6-22 75 Siskiyou Josephine Lake Basin Trinity Alps 1676 Comment
  NY627425  Penstemon newberryi var. berryi J. T. Howell 1937-7-26 13516 Siskiyou Caribou Basin, Salmon-Trinity Alps 1981.2 Comment
  UC696739  Penstemon newberryi var. newberryi David D. Keck 1927-8-16 304 Siskiyou 4 mi E of Mt. Shasta City (Sisson) (W flank of Mt. Shasta); Sierra Nevada 1609 Comment
  HSC69145  Penstemon parvulus Maralyn A. Renner 1980-8-8 2472 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  RSA420440  Penstemon parvulus M. B. Dunkle 1945-1 9208 Siskiyou Black Marble Mtn. Klamath Nat'l Forest. Marble Mtns. 2134 Comment
  RSA401848  Penstemon procerus var. formosus M. B. Dunkle 1945-7-19 9221 Siskiyou Marble Valley Summit; rocky ridge. Comment
  UC1045256  Penstemon roezlii W. Bridge Cooke 1940-7-26 15389 Siskiyou along the junction of the Memorial Highway and the Wagon Camp Road; Mount Shasta 1828 Comment
  UC1090389  Penstemon roezlii Milo S. Baker 1957-6-16 13169 Siskiyou Trip to Scott Mt. after turnoff near Callahan; North Coast Ranges, trip to Scott Mt. Comment
  UCR77234  Penstemon roezlii Peter S. Lathrop 1992-7-4 58 Siskiyou Everett Memorial Highway, Mt. Shasta, Shasta National Forest 1524 Comment
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Feb 11 2016
  NY650761  Penstemon rupicola C. L. Hitchcock 1939-7-6 5231 Siskiyou Peak above and north of Divide of Siskiyou Mountains, California on Takilma-Happy Camp road. 1828.8 Comment
  UC1278812  Penstemon rydbergii var. oreocharis David D. Keck 1940-6-13 5172 Siskiyou Grass Lake; ; Grass Lake, Siskiyou Co. 1539 Comment
  NY660847  Penstemon speciosus H. M. Hall 06 1903 4071 Siskiyou Mount Shasta, near Sisson 1066.8 Comment
  UC922662  Pentagramma triangularis subsp. triangularis Annie M. Alexander and Louise Kellogg 1948-9-4 5578 Siskiyou half way between Somesbar and forks of Salmon River; Siskiyou Mts Comment
  JEPS12330  Perideridia howellii W. L. Jepson 1914-8-13 6157 Siskiyou Sisson 1097 Comment
  SEINET9615222 Image available Perideridia leptocarpa L. Constance, T. I & Fei-Mei Chuang, M. Sousa S. 1966-1 Siskiyou Cecilville, 5 miles nw of Cecilville 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
  HSC72363  Perideridia oregana J. P. Smith, J. O. Sawyer, Jane & Kevin Sawyer 1976-9-5 8969 Siskiyou Hwy 3, 2.5 mi. N of Siskiyou-Trinity County line Comment
  JEPS12317  Perideridia oregana W. L. Jepson 1940-6-22 19967 Siskiyou Hutton Creek 792 Comment
  HSC69101  Perideridia parishii subsp. latifolia Maralyn A. Renner 1980-8-4 2229 Siskiyou Flint Valley 1390 Comment
  UC1351727  Perideridia parishii subsp. latifolia W. J. Ferlatte 1966-8-16 371 Siskiyou between campground and S. Fork of Salmon R.; Trinity Alps, Big Flat 1524 Comment
  HSC17544  Persicaria amphibia C. B. Wolf 1927-8-26 1023 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  HSC74832  Persicaria amphibia J. P. Smith, J. O. Sawyer 1978-7-3 10001 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  HSC79093  Persicaria amphibia Paul Wilson 1984-8-29 360 Siskiyou Juanita Lake Reservoir, next to lake edge 1555 Comment
  SD76662  Persicaria maculosa Helen V. Witham none given Siskiyou At bridge to Indian Scotty Campground, Scott River Comment
  NY83946  Phacelia cookei L. R. Heckard 1969-6-24 2294 Siskiyou At junction of the old Military Pass Road and U.S. Highway 97, north of Mt. Shasta 1341.1 Comment
  UC1518754  Phacelia dalesiana F. W. Oettinger 1969-7-25 Siskiyou ca 15 air mi sw Weed (near Kangaroo Lake Campground); Shasta-Trinity National Forest, Scott Mts. Comment
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Jul 5 2017
  CDA12115  Phacelia hastata G. F. Hrusa 1990-4-2 7839 Siskiyou Siskiyou Mountains; Old Shasta River Rd. (Hwy 263) approx. 3 m. S of intersection w/Hwy 96, and 10 miles N of Yreka. Comment
  HSC68494  Phacelia heterophylla Maralyn A. Renner 1980-6-10 868 Siskiyou Ridge 1 mi. S of Greenhorn Rd. and 1 mi. E of Mill Creek. 1341 Comment
  UC1034592  Phacelia heterophylla subsp. virgata Douglas Barbe 1955-7-1 70 Siskiyou 0.6 mi e Etna (s side of rd); Klamath Mountains 853 Comment
  CHSC71304  Phacelia linearis Vernon H. Oswald; Lowell Ahart 1998-6-11 9182 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  RSA12585  Phacelia mutabilis Carl B. Wolf 1934-7-6 6001 Siskiyou 4.7 miles from Mt. Shasta City on Wagon Camp Road, SW slope of Mt. Shasta 1220 Comment
  UC794430  Phacelia mutabilis W. Bridge Cooke 1949-8-26 25655 Siskiyou old logging rd above Bolam Station; Mount Shasta Comment
  UC923142  Phacelia mutabilis Freed W. Hoffman 1950-7-13 3336 Siskiyou Clear Creek trail from Baldy Lookout North Coast Ranges (w Siskiyou Co.) 1524 Comment
  CHSC106835  Phacelia pringlei Barbara Ertter 1990-7-14 9338 Siskiyou Wagon Creek on E side of Mt Eddy, ca 4 airmiles W of Mt Shasta City. Along creek, where several forks join before steep drop. 1828 Comment
  RSA755541  Phacelia pringlei Barbara Ertter 1990-7-14 9338 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4 air miles west of Mt. Shasta City 1829 Comment
  UC722212  Phacelia procera C. L. Hitchcock and J. S. Martin 1939-7-6 5248 Siskiyou summit of mts. Siskiyou Mts. (on Takilma-Happy Camp road) 1676 Comment
  UCD88499  Phalaris arundinacea Ken Baghott 1960-8-3 s.n. Siskiyou Tulelake area. Comment
  CAS-BOT-BC77428  Philadelphus lewisii J. H. Thomas 1949-6-16 954 Siskiyou 1/4 miles north of Beaver Creek Public Camp, along Beaver Creek; 5 miles north of junction of Beaver Creek Comment
  JEPS49605  Philadelphus lewisii Geo. D. Butler 1908-7-7 405 Siskiyou near Yreka (along creek); Butler's Ranch Comment
  UCSB13234  Philadelphus lewisii Breedlove, Dennis 1962-6-10 Siskiyou On the north bank of the Klamath River at its junction with Goff Creek; 4.5 miles west of Seiad 411 Comment
  RSA0057592  Philadelphus lewisii G. D. Barbe 1955-6-27 s.n. Siskiyou 0.8 mi north of Callahan in the dredgings near Hjertagers Mill. 976 Comment
  CAS-BOT-BC250790  Phleum alpinum W. R. Dudley 1901-8-18 s.n. Siskiyou Jackson's Lake Comment
  JEPS82419  Phleum alpinum Gilbert Muth 1966-8-1 488 Siskiyou Marble Valley horse pasture Marble Mt. Wilderness Area; , Marble Valley horse pasture 1792 Comment
  CAS-BOT-BC250953  Phleum pratense Wm. Bridge Cooke 1938-7-15 11202 Siskiyou Mount Shasta. Bear Springs Comment
  CDA40295  Phlox adsurgens D. H. Shaw 1977-5-26 s.n. Siskiyou Southeast of Seiad Valley on Walker Creek, western part of county. 0 Comment
  CHSC1303  Phlox caespitosa V. Holt 1932-6-26 Siskiyou Mt. Eddy. 2743 Comment
  UC643265  Phlox caespitosa unknown 1940-7-26 15382 Siskiyou w side Shastina; Mount Shasta Comment
  RSA68854  Phlox diffusa subsp. diffusa A. E. Culbertson 1943-6-26 102 Siskiyou Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. Comment
  UCR66520  Phlox gracilis L. C. Wheeler 1934-6-1 2602 Siskiyou Siskiyou Mtns., Head Jaynes Canyon 1829 Comment
  HSC17167  Phlox rigida R. C. Wunner 1965-6-7 132 Siskiyou Lava Beds National Monument, near N prefab near Indian Well Campground 1433 Comment
  HSC43832  Phlox speciosa subsp. occidentalis Maralyn O'Meara 1974-5-27 486 Siskiyou Along FS Rd. 47N03 1280 Comment
  RSA256699  Phlox speciosa subsp. occidentalis J. P. Smith 1974-5-26 7550 Siskiyou Along Forest Service Road 47N03 1524 Comment
  CAS-BOT-BC135024  Phoradendron bolleanum Doris Overman 1919-9-1 s.n. Siskiyou Yreka Comment
  JEPS42560  Phoradendron densum Geo. M. Pendleton 1917-1 Siskiyou Sisson Comment
  CAS-BOT-BC171215  Phoradendron serotinum subsp. tomentosum Lewis S. Rose 1925-7-29 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC56493  Phyllodoce empetriformis W. R. Dudley 1899-8-24 s.n. Siskiyou Craggy Peak - Lunch Creek Comment
  CAS-BOT-BC56497  Phyllodoce empetriformis A. A. Heller 1915-8-26 12227 Siskiyou Heather meadow near the head of Wagon creek canyon, Mt. Eddy 2590 Comment
  HSC29627  Phyllodoce empetriformis Frederick W. Oettinger 1967-7-8 164 Siskiyou Marble Mountain Wilderness Area, High Lake Basins, near Big Blue Lake 2104 Comment
  CAS-BOT-BC56487  Phyllodoce empetriformis Gilbert Muth 1965-8-8 s.n. Siskiyou Near summit of Marble Rim 1981 Comment
  CAS-BOT-BC140610  Physocarpus capitatus A. A. Heller 1915-7-18 12109 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  UCR131594  Physocarpus capitatus L. C. Wheeler 1934-7-5 2877 Siskiyou Siskiyou Mtns., Beaver Creek at Deer Creek 976 Comment
  CAS-BOT-BC78173  Picea breweriana Doris K. Kildale 1929-8-24 8839 Siskiyou Preston Peak 2225 Comment
  CAS-BOT-BC78177  Picea breweriana R. Bacigalupi 1935-10-21 2370 Siskiyou 1/2 mi. n.e. of summit of new Forest Service Road, between Waldo and Happy Camp, near Del Norte-Siskiyou county Line Comment
  HSC29672  Picea breweriana Frederick W. Oettinger 1968-8-13 506 Siskiyou Marble Mtn. Wilderness Area, cliffs above Hell Hole near Hancock Lake 1936 Comment
  HSC4815  Picea breweriana J. O. Sawyer 1968-7-2 350 Siskiyou Upper drainage of Joe Creek 1677 Comment
  HSC4817  Picea breweriana J. O. Sawyer 1968-6-25 309 Siskiyou NE of N Horse Range Lake 2012 Comment
  UC1409271  Picea breweriana Frederick W. Oettinger 1968-8-13 506 Siskiyou cliffs above Hell Hole (near Hancock Lake, the high lake basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  CAS-BOT-BC73439  Picea engelmannii L. E. Berriman 1940-8-30 s.n. Siskiyou North Coast Ranges - Sugar Creek, a tributary of the Scott River. Mount Diablo Meridian. 1432 Comment
  HSC19111  Pinus albicaulis J. O. Sawyer 1969-7-10 1297 Siskiyou Ridges E of Russian Peak 2256 Comment
  JEPS47896  Pinus attenuata W. L. Jepson 1907-7-9 2865 Siskiyou s of Putnam Peak (Klamath Range, e slope, seedlings taken from near fire-killed trees); Klamath Range Comment
  RSA183476  Pinus balfouriana J. M. Tucker, L. K. Mann, S. L. Holloway 1963-8-18 3769 Siskiyou SW ridge of Black Mtn (Black Marble Mtn); Marble Mtn Wilderness Areas. 2134 Comment
  CAS-BOT-BC78405  Pinus balfouriana Maralyn O'Mera 1972-9-14 115 Siskiyou Ridge above trail to Yellow Rose [mine] Mine Comment
  CAS-BOT-BC78437  Pinus contorta subsp. murrayana Elmer I. Applegate 1935-6-12 9519 Siskiyou Upper Ice Cave area, Lava Beds National Monument Comment
  JEPS120218  Pinus jeffreyi Julie Kierstead Nelson with Keli McElroy 2012-8-10 2012 -074 Siskiyou NW side of Gumboot Lake Comment
  CAS-BOT-BC73091  Pinus lambertiana Peter H. Raven 1956-9-5 10465 Siskiyou North Fork of the Sacramento River 1584 Comment
  CAS-BOT-BC78777  Pinus lambertiana Doris K. Kildale 1928-8-18 6433 Siskiyou North Fork Salmon River at Finley Camp Comment
  UC813268  Pinus lambertiana A. A. Heller 1915-8-26 12253 Siskiyou at the foot Mt. Eddy (Metcalf's Ranch) 1188 Comment
  CAS-BOT-BC78954  Pinus monticola Peter H. Raven 1956-9-5 10448 Siskiyou North Fork of Sacramento River 2194 Comment
  HSC29679  Pinus monticola Frederick W. Oettinger 1968-9-9 795 Siskiyou Marble Mtn. Wilderness Area, ridge top E of Toms Upper Pond 2119 Comment
  HSC68460  Pinus monticola Maralyn A. Renner 1980-7-4 1454 Siskiyou Clear Creek Trail, N of Trout Camp. 1037 Comment
  NY61942  Pinus monticola W. R. Dudley 1901-8-25 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
  UC70583  Pinus ponderosa Mrs. Stirring May 1905 Siskiyou Etna Comment
  CHSC33840  Piperia colemanii J. D. Prouty 1981-7-13 1234 Siskiyou On the W slope of Lookout Point. 1615 Comment
  JEPS64436  Piperia elongata W. L. Jepson 1894-7-1 21278 Siskiyou Sisson Comment
  UC130660  Piperia unalascensis H. M. Hall 1909-7-1 8678 Siskiyou Salmon River Salmon Mountains 1645 Comment
  JEPS61008  Plagiobothrys greenei Geo. D. Butler 1909-4-30 668 Siskiyou Block 5 Yreka Comment
  RSA12578  Plagiobothrys hispidus C. B. Wolf 1934-7-6 6008 Siskiyou 5.4 miles from Mt. Shasta City on Wagon Camp Rd, SW slope of Mt. Shasta 1220 Comment
  JEPS105206  Plagiobothrys kingii var. harknessii Dean W. Taylor 1995-6-4 14965 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. 10 miles North of Weed) 1158 Comment
  CHSC93543  Plagiobothrys tenellus Lowell Ahart; John Dittes 2005-6-10 12089 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  UC163848  Plagiobothrys tenellus Geo. D. Butler 1910-5-6 1295 Siskiyou Yreka Comment
  POM72138  Plagiobothrys tenellus Geo. D. Butler 1909-4-13 654 Siskiyou Yreka. Comment
  JEPS68263  Plantago eriopoda L. R. Heckard 1972-5-31 2936 Siskiyou about 2 mi e Gazelle (on road to Weed) Comment
  RSA715775  Plantago eriopoda L. Ahart, John Dittes 2005-6-10 12104 Siskiyou 30 yards E of the Shasta River, near the south fence, 100 yards S of the pump house along the Shasta River, about 1.9 air miles S of highway 99/97 cutoff, about 6 air miles ESE of Grenada. 777 Comment
  RSA210923  Plantago indica John H. Thomas 1969-9-6 15464 Siskiyou About 8 miles southward from MacDoel near US Hwy 97. 1524 Comment
  HSC22080  Platanthera dilatata var. leucostachys J. O. Sawyer 1969-7-11 864 Siskiyou Ravine above C.C.C. road. 1280 Comment
  SBBG30576  Platanthera dilatata var. leucostachys D. Myrick 1968-6-28 2053 Siskiyou Mtn Meadow Ranch, Big Flat, head of Coffee Crk 1524 Comment
  HSC35439  Platanthera dilatata var. leucostachys A. Montalvo, J. D. Ackerman 1975-7-18 583 Siskiyou S Fork Sacramento River, FS 40N30 1372 Comment
  UC375218  Platanthera hyperborea Geo. D. Butler 1909-7-20 Siskiyou Highland Mine Comment
  UC164416  Platanthera leucostachys Geo. D. Butler 1909-6-22 884 Siskiyou Goosenest foothills Goosenest Comment
  HSC29095  Platanthera sparsiflora Frederick W. Oettinger 1969-7-17 1050 Siskiyou Salmon Mountains: the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness area; Inlet to Upper English Lake 1921 Comment
  UC642559  Platanthera sparsiflora W. Bridge Cooke 1939-7-7 13612 Siskiyou Sedge Bog at Wagon Camp Mount Shasta 1737 Comment
  HSC27799  Platanthera sparsiflora J. D. Ackerman 1973-7-27 108 Siskiyou S Fork Sacramento River Comment
  UC224081  Plectritis brachystemon Dr. Edward Palmer Jul 13 1892-Jul 27 1892 2483 Siskiyou Mount Shasta and vicinity Mount Shasta Comment
  RSA48224  Plectritis congesta subsp. brachystemon Roxana S. Ferris, Laura Lorraine 1948-6-12 11726 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  HSC68546  Plectritis macrocera Maralyn A. Renner 1980-6-7 781 Siskiyou N of Greenhorn Rd. 1098 Comment
  RSA121890  Plectritis macrocera M. H. Mitchell 1936-5-8 s.n. Siskiyou 2 miles E of Schonchin Butte. 1372 Comment
  HSC30563  Poa bolanderi Frederick W. Oettinger 1969-8-16 1395 Siskiyou Marble Mtn. Wilderness Area, SW of Wiregrass Meadow above English Lake. 1677 Comment
  RSA239047  Poa bolanderi Frederick W. Oettinger 1969-8-16 1395 Siskiyou Southwest of Wire Grass meadow above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CAS-BOT-BC254990  Poa bulbosa J. H. Thomas 1954-5-14 4168 Siskiyou Salmon Mountains, Klamath National Forest. Near S Fork of Salmon River, 5-9 miles SE of Cecilville, along N side of river 1219 Comment
  CAS-BOT-BC254994  Poa bulbosa Morris Halperin 1930-5-17 304 Siskiyou Geo. Bray's Ranch, Yreka Comment
  UCD90660  Poa bulbosa John R. Elliott 1958-5-8 s.n. Siskiyou 1 mile northwest of Mt. Shasta (city?). Comment
  UC196960  Poa compressa Geo. D. Butler 1908-7-1 485 Siskiyou near Yreka Comment
  CDA2375  Poa palustris Bill Huse 1960-8-8 Siskiyou Tulelake. 0 Comment
  HSC38849  Poa pratensis J. P. Smith, Steve Selva 1970-6-16 4074 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  UCD91829  Poa pratensis A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3386 Siskiyou at Weed. Comment
  UC1265428  Poa pratensis subsp. pratensis Frederick W. Oettinger and R. F. Thorne 1969-8-5 1191 Siskiyou trail English Lake to Abbotts (vicinity of English Peak); Salmon Mts, High Lake Basins, Marble Mt Wilderness Area Comment
  RSA184780  Poa pringlei Gilbert Muth 1966-7-31 473 Siskiyou North side of Black Mountain, Marble Mountains 2043 Comment
  UCD91765  Poa pringlei Freed W. Hoffman 1950-7-13 3655 Siskiyou western side of Baldy Mountain. Comment
  CAS-BOT-BC237710  Poa secunda Elmer I. Applegate 1935-6-2 9267 Siskiyou Indian Well, Lava Beds National Monument Comment
  CAS-BOT-BC237714  Poa secunda E. K. Balls 1950-5-17 14716 Siskiyou 1.5 miles NW of Schonchin Butte (along road to Merrill, Oregon) Lava Beds National Monument 1402 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
  CAS-BOT-BC243230  Poa secunda subsp. secunda A. A. Heller 1915-6-10 11956 Siskiyou Little Summit in the Sierra Nevada 1432 Comment
  HSC30659  Poa secunda subsp. secunda Frederick W. Oettinger 1968-9-1 642 Siskiyou Salmon Mountains, at the base of Abbotts Lake. 1799 Comment
  HSC74868  Poa secunda subsp. secunda J. P. Smith, Jennifer Whipple 1978-7-2 9988 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  UC1037087  Poa secunda subsp. secunda Leo Whitney 1934-6-29 2224 Siskiyou near Tennant (Antelope Creek) 1463 Comment
  UC1265393  Poa secunda subsp. secunda Frederick W. Oettinger 1969-8-3 1149 Siskiyou wnw of English Lake (vicinity of English Peak); Salmon Mts, High Lake Basins, Marble Mt Wilderness Area 1950 Comment
  UC1265426  Poa secunda subsp. secunda Frederick W. Oettinger 1968-9-1 642 Siskiyou at bnase of precipice at Abbotts Lake (vicinity of English Peak); Salmon Mts, High Lake Basins, Harvey Monroe Hall Natural Are 1798 Comment
  CAS-BOT-BC243234  Poa secunda subsp. secunda W. R. Dudley 1901-8-23 s.n. Siskiyou Foxtail Ridge, Salmon Mountains, Siskiyou Mountains Comment
  JEPS84252  Polemonium californicum L. R. Heckard with J. Hickman et al. 1986-7-17 6453 Siskiyou ridge e Kangaroo Peak (s of Lily Pad Lake, ca 5 mi n of town of Seiad Valley) 1900 Comment
  RSA184627  Polemonium californicum Clare B. Hardham 1965-8-20 13035 Siskiyou Marble Mountains. Cudahy Lakes. 1524 Comment
  RSA183689  Polemonium californicum Gilbert Muth 1965-8-8 196 Siskiyou Rim trail, Marble Mt, Marble Mountains 1829 Comment
  RSA262351  Polemonium californicum J. M. Tucker 1963-7-7 3725 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  UCD118480  Polemonium micranthum Fred G. Andriessen 1967-3-22 s.n. Siskiyou F. Douglas Horn ranch, in Scott Valley, ca. 11 miles south of Fort Jones and ca. 4 miles east of Etna. Comment
  RSA600333  Polemonium pulcherrimum L. C. Wheeler 1935-7-24 3695 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Mud Springs, Middlehell Creek 2012 Comment
  CAS-BOT-BC74167  Polyctenium fremontii Elmer I. Applegate 1935-6-2 9286 Siskiyou Frenner's ranch on old road to Lava Beds, near north boundary of the National Monument. Comment
  CAS-BOT-BC170335  Polygala cornuta var. cornuta Wayne Roderick 1967-7-25 s.n. Siskiyou Cabin Meadow, n. of Cory Peak, Scott Mts. 1828 Comment
  CAS-BOT-BC170339  Polygala cornuta var. cornuta Doris K. Kildale 1930-6-1 9698 Siskiyou Salmon River between Somes Bar and Forks of Salmon Comment
  CAS-BOT-BC170332  Polygala cornuta var. cornuta W. R. Dudley 1901-8-25 s.n. Siskiyou Trail South Fork & Scotts Creek Comment
  UC1045258  Polygonum aviculare subsp. aviculare W. Bridge Cooke 1940-8-2 15403 Siskiyou Bear Springs Meadow Mount Shasta (along road) Comment
  JEPS50534  Polygonum davisiae Chesnut and Drew 1890-1 Siskiyou Mt. Shasta and Lassen's Peak Trip Comment
  UC1190188  Polygonum davisiae Ira L. Wiggins 1955-7-27 13540 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  RSA756974  Polygonum douglasii Barbara J. Ertter 1990-7-14 93101 Siskiyou East side of Mount Eddy about 4 air miles due west of Mount Shasta City, at streamlet near end of Forest Road 41N53, about 1 mile north of Morgan Meadows. 1677 Comment
  UC1112877  Polygonum douglasii subsp. spergulariiforme Barbe 1957-7-13 379 Siskiyou Big Flat Public Camp Klamath National Forest (w side, w slope along path to spring) 1524 Comment
  UC1408829  Polygonum minimum Frederick W. Oettinger 1968-8-11 472 Siskiyou Tom Taylor Cabin Salmon Mountains, Marble Mountain Wilderness Area (ne side of creek bed, w Siskiyou Co.) 2042 Comment
  CAS-BOT-BC420952  Polygonum sawatchense subsp. sawatchense Marion Ownbey; S. J. Preece, Jr. 1952-6-25 s.n. Siskiyou Ridge road to Deadwood Lookout, mountains west of Yreka Comment
  UC850369  Polygonum sawatchense subsp. sawatchense A. A. Heller 1916-6-20 12403 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  SEINET3404054 Image available Polygonum shastense W. Bridge Cooke 1941-9-10 16292 Siskiyou Horse Camp, Mt. Shasta Comment
  UC77393  Polygonum shastense Dr. E. B. Copeland 1903-8-16 3892 Siskiyou Mt. Shasta 2438 Comment
  UCD100901  Polygonum shastense Jack Major 1961-7-14 652 Siskiyou ridge above Mud Creek, Mount Shasta. 2316 Comment
  CAS-BOT-BC421072  Polygonum spergulariiforme Geo. D. Butler 1910-6-20 1593 Siskiyou Yreka Comment
  CAS-BOT-BC421079  Polygonum spergulariiforme Alice Eastwood 1912-8-30 2086 Siskiyou Mount Eddy Comment
  CAS-BOT-BC421075  Polygonum spergulariiforme Louis C. Wheeler 1934-9-26 3303 Siskiyou Lumgrey Creek, Siskiyou Mts. 1005 Comment
  CAS-BOT-BC237390  Polypogon monspeliensis Dorothy Parker 1948-7-28 74 Siskiyou Scott Valley 853 Comment
  HSC79148  Polystichum imbricans C. J. Thomas 1983-10-1 99 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 Comment
  RSA239011  Polystichum imbricans Frederick W. Oettinger 1966-7-25 37 Siskiyou Along Timber Gulch stream bank, Klamath Natinal Forest, Colville. Comment
  JEPS83824  Polystichum imbricans subsp. imbricans Wayne Roderick July 1976 Siskiyou near Lily Pad Lake (vicinity of Cook and Green Pass); Siskiyou Mts. 1828 Comment
  HSC36663  Polystichum imbricans subsp. imbricans Brent Whiteley 1975-6-21 19 Siskiyou 223 Comment
  HSC77280  Polystichum imbricans subsp. imbricans L. P. Janeway 1983-8-28 625 Siskiyou Along USFS 18N33 1 mi. from Grayback Rd. 1037 Comment
  HSC79135  Polystichum kruckebergii C. J. Thomas 1983-10-1 84 Siskiyou N side of Black Mtn. in Marble Mtn. Wilderness 1976 Comment
  CAS-BOT-BC72390  Polystichum lemmonii G. J. Muth 1969-8-10 1339 Siskiyou Red Mt. Ridge 2438 Comment
  HSC92661  Polystichum lemmonii Jennifer Whipple 1976-9-3 1783 Siskiyou W facing slope of the ridge between Durney Lake and Little Crater Lake 2195 Comment
  UC1299762  Polystichum lemmonii Freed W. Hoffman 1951-7-16 4045 Siskiyou Packers' Valley North Coast Ranges, Marble Mts., Packers' Valley Comment
  UC1481730  Polystichum lemmonii A. Lefebvre Oct 1941 Siskiyou 2 mi e White Mt. Comment
  UC336670  Polystichum lemmonii unknown Siskiyou Mt. Eddy near Shasta Mt. Mt. Eddy Comment
  UC812639  Polystichum lemmonii John Thomas Howell 1937-7-29 13668 Siskiyou n side Scott Mt. Comment
  UC909350  Polystichum lemmonii Ira L. Wiggins 1950-5-28 12378 Siskiyou ridge just above Grouse Lake (headwaters of Grouse Creek) 1828 Comment
  CAS-BOT-BC72403  Polystichum lonchitis G. L. Stebbins 1972-7-3 9007 Siskiyou Northwest side of Red Butte, west of Cook & Green Pass 1828 Comment
  HSC34293  Polystichum lonchitis J. P. Smith, J. O. Sawyer 1973-8-14 7287 Siskiyou Along trail from Log Lake to Campbell Lake 1585 Comment
  RSA693279  Polystichum lonchitis M. B. Dunkle 1945-8-7 9332 Siskiyou King's Casle. Marble Mtns, Klamath National Forest. Comment
  UC1334021  Polystichum lonchitis Dorothy Parker 336 Siskiyou above Paradise Lake; Siskiyou Mts., Salmon Mt. 1981 Comment
  RSA240096  Polystichum munitum Frederick W. Oettinger 1969-8-25 1554 Siskiyou At the little N Fork stream crossing along the new trail that goes from the end of the logging road to the Devil's Canyon Trail. 1220 Comment
  CAS-BOT-BC72517  Polystichum scopulinum Louis C. Wheeler 1934-8-26 3225 Siskiyou Trapper Creek, Siskiyou Mts. 1981 Comment
  CAS-BOT-BC102767  Populus tremuloides John Thomas Howell 1939-8-9 15209 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC102768  Populus tremuloides Gilbert Muth 1966-7-19 420 Siskiyou Blk. Mt. Trail, above Marble Valley, Marble Mts. 1859 Comment
  UCD77956  Populus tremuloides Robert E. Preston 2001-6-30 1663 Siskiyou Klamath National Forest, Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  CAS-BOT-BC102761  Populus tremuloides W. B. C. 1938-8-25 11586 Siskiyou Along Pilgrim Creek, forest along Pilgrim Creek east of Widow Spring 1371 Comment
  HSC46779  Populus trichocarpa William J. Ferlatte 1974-7-14 1527 Siskiyou Big Flat, S Fork of Salmon River below campground 1509 Comment
  RSA237466  Portulaca oleracea Frederick W. Oettinger 1969-8-25 1560 -b Siskiyou Little North Fork stream along new trail from end of logging road to Devils Canyon trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1220 Comment
  SBBG126112  Potamogeton berchtoldii L. Ahart, J. Dittes 2010-7-30 16963 Siskiyou swift deep water of the Shasta River, ca. 30 yards NW of E Louie Rd Bridge, Shasta Big Springs Ranch, 1.6 mi (air) SW of Big Springs Lake, 4.6 mi (air) NW of Dwinnel Dam, 5.7 mi (air) SE of Grenada 716 Comment
  CHSC91716  Potamogeton crispus G. F. Hrusa 2001-6-6 15860 Siskiyou Siskiyou Mountains. Klamath River, +/- 1.5 mi. E of Ft. Goff campground. At river edge. Adjacent to 15859, app. 20 meters downstream. UTM: 10T, 463312 N, 0481408 E. 350 Comment
  HSC61832  Potentilla breweri Ruby Van Deventer 1938-4-29 Siskiyou Poker Flat 1585 Comment
  RSA790475  Potentilla breweri James R. Shevock, Barbara Williams 1987-8-18 11804 Siskiyou Sisson trail above Kangaroo Lake, Klamath Mtns. 2012 Comment
  UC538030 Image available Potentilla cristae David H. Johnson 1934-6-11 Siskiyou Dobkins Lake , Dobkins Lake (Mt. Eddy) 1828 Comment
  HSC29384  Potentilla drummondii Frederick W. Oettinger 1969-7-13 1001 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; N of upper English Lake 1951 Comment
  SEINET11916322  Potentilla drummondii H. P. Chandler 1901-1 1564 Siskiyou nr Marble Mtn 1829 Comment
  UCD113826  Potentilla drummondii J. M. Tucker; L. K. Mann 1963-7-5 3705 Siskiyou On Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1615 Comment
  CAS-BOT-BC540567  Potentilla gracilis var. fastigiata John Thomas Howell 1939-8-2 14931 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CHSC71499  Potentilla millefolia Vernon H. Oswald; Lowell Ahart 1998-7-21 9342 Siskiyou Northeast of Weed and east of Grass Lake on the south side of Tennant Rd. 0.2 mi southeast of Old State Hwy. to Bray and on the east side of the intermittent stream draining Dry Lake. 1402 Comment
  JEPS81657  Potentilla millefolia L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2297 Siskiyou Murphy Wells, 0.8 mile south of Bray junction on U.S.97. 1493 Comment
  UC725977  Potentilla millefolia A. A. Heller 1938-7-13 15266 Siskiyou about a mi s Bray; s of Bray 1402 Comment
  CAS-BOT-BC158533  Potentilla millefolia John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53379 Siskiyou 2.5 miles south of Grenada, Shasta Valley 762 Comment
  UCSB24686  Prosartes hookeri Favero, R. 1968-4-28 Siskiyou 4.5 miles south west from Fort Goff on Klamath River highway, Klamath Mountains 731 Comment
  UCD125289  Prunella vulgaris A. H. Murphy 1955-7-27 55 B Siskiyou Klamath National Forest. Marble Mountains. Cold Springs Meadow. 1676 Comment
  HSC29322  Prunella vulgaris subsp. lanceolata Frederick W. Oettinger 1969-8-18 1422 Siskiyou Marble Mountain Wilderness Area, W of Horse Range Lake outlet 1822 Comment
  RSA68936  Prunella vulgaris var. lanceolata A. E. Culbertson 1943-7-17 22 Siskiyou Near Forest Service Camp Grd. about a mile downstream from Castle Lake on road to town of Shasta; on north slope of a 6600 eastern spur of Trinity Mts. and 1500 above Sacramento R., within 9 air miles of its headwaters to the west., Mt. Shasta 13 miles to NE 1524 Comment
  CAS-BOT-BC158214  Prunus emarginata John Thomas Howell 1939-8-3 14986 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC158240  Prunus emarginata Doris K. Kildale 1928-8-20 6625 Siskiyou Head of North Fork of Salmon River at Finley's Upper Camp Comment
  CDA26150  Prunus emarginata T. C. Fuller 1960-5-26 4345 Siskiyou 2 miles south of Mt. Shasta City. 0 Comment
  HSC29357  Prunus emarginata Frederick W. Oettinger 1968-8-10 468 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area; east side of Hancock Lake 1890 Comment
  RSA23400  Prunus emarginata Annetta Carter 1939-8-19 s.n. Siskiyou 3.5 miles N of Dunsmuir. 915 Comment
  SD76177  Prunus emarginata Helen Witham 1969-10-9 601 Siskiyou One mile above pine plantation. Thicket beside road at 5000ft. Sign 1500 Comment
  RSA52440  Prunus subcordata Dorothy Parker 1948-5-25 s.n. Siskiyou Plowman's Valley. Comment
  RSA237591  Prunus virginiana var. demissa Frederick W. Oettinger 1969-8-29 1564 Siskiyou Along English Lake trail above Willow Spring. Marble Mtn Wilderness Area. Salmon Mtns. High Lake Basins in the vicinity of English Peak. 1677 Comment
  UC637026  Prunus virginiana var. demissa Edward Lee 1934-8-14 1101 Siskiyou Little Grayback, Siskiyou-Del Norte County line Little Grayback 1868 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-BC239807  Pseudoroegneria spicata D. M. Traugh 1933-5-25 63 Siskiyou Klamath National Forest 609 Comment
  CHSC71343  Pseudoroegneria spicata subsp. spicata Vernon H. Oswald; Lowell Ahart 1998-6-11 9195 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  POM206523  Pseudoroegneria spicata subsp. spicata E. B. Copeland 1903-7-4 3542 Siskiyou Klamathon Comment
  UC204773  Pseudoroegneria spicata subsp. spicata Geo. D. Butler 1910-6-23 1600 Siskiyou Yreka Comment
  CAS-BOT-BC80165  Pseudotsuga menziesii W. B. C. 1938-9-2 11596 Siskiyou Sisson Southern Trail 1524 Comment
  UC401305  Pseudotsuga menziesii var. menziesii Geo. D. Butler 1908-7-20 522 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC361903  Psilocarphus tenellus Louis C. Wheeler 1934-6-2 2605 Siskiyou Klamath National Forest. Cherry River, Klamath R. 518 Comment
  HSC17963  Pterospora andromedea R. C. Wunner 1965-7-17 399 Siskiyou Lava Beds National Monument. Along upper edge of Black Lava flow near Old Ticner Rd. 1616 Comment
  SEINET924200  Pterospora andromedea Carl B. Wolf 1934-1 6019 Siskiyou SW slope of Mt. Shasta, 4 mi NW of Wagon Camp 1524 Comment
  CAS-BOT-BC228581  Purshia tridentata Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-21 1936 Siskiyou Shasta Valley, about 11 km NE of Weed along U.S. Highway 97, just past road to Lake Shastina 1082 Comment
  UCD77969  Purshia tridentata Robert E. Preston 2002-6-20 1839 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, Rainbow Mountain. 1946 Comment
  SD104903  Purshia tridentata Darley Howe 1979-6-26 Siskiyou Military Pass Rd, 3 mi. SE of Ca. Hwy 97, near Granada Comment
  CAS-BOT-BC147902  Purshia tridentata var. tridentata Carl B. Wolf 1927-8-26 1033 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  JEPS18597  Purshia tridentata var. tridentata Geo. D. Butler 1909-5-1 686 Siskiyou Shasta River Comment
  UC164303  Purshia tridentata var. tridentata Geo. D. Butler 1910-4-16 1184 Siskiyou Shasta River Comment
  RSA0082808  Pyrola aphylla M. B. Dunkle 1944-7-17 9119 Siskiyou Deer Creek. 1767 Comment
  SBBG30606  Pyrola asarifolia D. Myrick 1968-6-28 2054 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk, Trinity Alps 1524 Comment
  RSA0080538  Pyrola crypta Frederick W. Oettinger 1966-8-7 48 Siskiyou The Salmon Mountains. The High Lake Basins in the vicinity of English peak. Marble Mountain Wilderness Area. Comment
  HSC61839  Pyrola dentata Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  RSA0080477  Pyrola dentata Geo D. Butler 1910-6-17 1574 Siskiyou Humbug Mountain. 1220 Comment
  RSA467923  Pyrola dentata M. B. Dunkle 1944-7-17 9118 Siskiyou Deer Creek. Comment
  HSC103623  Pyrrocoma racemosa var. pinetorum Thomas W. Nelson, Jane Nelson 1980-8-23 6314 Siskiyou At head of Mule Creek, just north of the Scott Mountain Campground. 1646 Comment
  UCD47005  Quercus X morehus Frank T. Callahan II 1984-11-17 s.n. Siskiyou California, Siskiyou County: Anderson Grade Summit, north facing slope, east of I-5. 990 Comment
  CHSC42066  Quercus agrifolia var. agrifolia Marci Romano 1986-4-3 1 Siskiyou 1 mi w of Etna on Sawyer's Bar rd. 899 Comment
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Jan 14 2016
  UC164057  Quercus chrysolepis Geo. D. Butler 1910-6-7 1530 Siskiyou Greenhorn Mountain Comment
  UC164395  Quercus chrysolepis Geo. D. Butler 1908-8-11 231 Siskiyou Shackleford Creek Comment
  JEPS37941  Quercus garryana W. L. Jepson 1902-7-20 2085 Siskiyou Summerville Comment
  UC220658  Quercus garryana H. E. Brown Aug 1 1897-Aug 15 1897 Siskiyou s side Mt. Shasta 1524 Comment
  UC767801  Quercus garryana Wm. H. Brewer 1463 Siskiyou valley of Cow Creek Comment
  HSC19220  Quercus garryana var. breweri J. O. Sawyer 1968-7-23 600 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  POM267245  Quercus garryana var. breweri Marion Ownbey, Fred G. Meyer 1940-7-8 2229 Siskiyou Summit of Siskiyou Mountains, 21 miles north of Happy Camp. Comment
  SEINET5644358  Quercus kelloggii Alv Dan Youngberg 1964-7-18 91 Siskiyou Elevation 2100 feet. Growing at West Branch Guard Station. Humbolt Meridian.; 0 640 Comment
  CAS-BOT-BC104360  Quercus sadleriana Louis C. Wheeler 1934-8-6 3048 Siskiyou Jaynes Canyon, Siskiyou Mts. 1859 Comment
  CAS-BOT-BC104364  Quercus sadleriana Sandra L. Holloway 1963-10-12 77 Siskiyou Junction Red Rock valley trail and Canyon Creek trail, Marble Mountain Wilderness Area 1341 Comment
  RSA237783  Quercus sadleriana Frederick W. Oettinger 1968-9-7 761 Siskiyou Along the north shore of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  SD75845  Quercus sadleriana Darley F. Howe 1969-9-12 4676 Siskiyou Just south of Little Grayback 1524 Comment
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Jul 11 2010
  UC1222293  Quercus sadleriana Joseph P. Tracy 1950-7-18 19215 Siskiyou the whole route from Flint Valley to Prospect Hill Comment
  UCD47232  Quercus sadleriana R. Tofsrud; J. M. Tucker 1948-8-3 1779 A Siskiyou Summit of Happy Camp- O'Brien (Oregon) road, on Del Norte-Siskiyou County line, California. 1371 Comment
  UCR80887  Quercus sadleriana G. Fred Hrusa 1993-8-14 11400 Siskiyou Summit of Pass between Happy Camp, California and O'Brien, Oregon. Just on the California side of the state boundary 1375 Comment
  SEINET12029178  Quercus sadleriana S. L. Holloway 1963-1 77 Siskiyou jct Red Rock Valley Trail and Canyon Creek trail, Marble Mountain Wilderness Area Comment
  SEINET12029704  Quercus sadleriana S. Edwards, Roderick, W. 1983-1 105 Siskiyou E of Cook & Green Pass Comment
  CDA22069  Quercus vacciniifolia Gordon Leppig, Tony LaBanca 1998-7-11 923 Siskiyou Kalmath National Forest, Duck Lakes Trail. Comment
  HSC69138  Quercus vacciniifolia Maralyn A. Renner 1980-8-8 2480 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  JEPS94649  Quercus vacciniifolia Vernon H. Oswald and Lowell Ahart 1998-8-3 9446 Siskiyou Rock Fence Lake Rd. (USFS 41N18) 0.1 mi ne intersection with Kangaroo Lake Rd. (USFS 41N08) (4.9 mi se of Gazelle-Callahan Rd.) 1676 Comment
  RSA211498  Quercus vacciniifolia William J. Ferlatte 1967-8-17 956 Siskiyou Trinity Alps; Yellow Rose Mine. 1982 Comment
  UC338544  Quercus vacciniifolia unknown 1889-9-7 Siskiyou near Sisson's; Mt. Eddy Comment
  CAS-BOT-BC379473  Ranunculus alismifolius D. E. Breedlove 1962-6-11 3371 Siskiyou along State Hwy 89, 17.6 mi east of McCloud Cascade Mts. 1219 Comment
  JEPS55058  Ranunculus aquatilis var. capillaceus W. L. Jepson 1894-1 Siskiyou Edgewood to Sissons (near Stage road) Comment
  UCSB24113  Ranunculus eschscholtzii Favero, R. 1968-3-24 Siskiyou 7 mi. east on Klamath River Rd. (Hwy. 96), 2 mi. up Lumgrey Creek Rd. 609 Comment
  POM268494  Ranunculus occidentalis var. ultramontanus C. L. Hitchcock 1939-7-6 5197 Siskiyou 10 miles SE of Takihua, Oregon, on road to Happy Camp, Siskiyou Mts. 1220 Comment
  HSC62284  Ranunculus orthorhynchus Al Hobart 1971-7-14 Siskiyou Youngs Valley 1220 Comment
  UC54285  Ranunculus orthorhynchus var. orthorhynchus H. M. Hall and E. B. Babcock June, 1903 4066 Siskiyou Sisson Sierra Nevada Mountains, Mount Shasta (meadows around) 1066 Comment
  JEPS94640  Rhamnus californica subsp. occidentalis Vernon H. Oswald and Lowell Ahart 1998-8-3 9447 Siskiyou Rock Fence Lake Rd. (USFS 41N18) 0.1 mi ne intersection with Kangaroo Lake Rd. (USFS 41N08) (4.9 mi se of Gazelle-Callahan Rd.) 1676 Comment
  RSA13286  Rhamnus californica subsp. occidentalis Doris K. Kildale 1929-7-20 8571 Siskiyou Trail up S Fork of Indian Creek. 457 Comment
  UC637070  Rhamnus californica subsp. occidentalis Edward Lee 1934-8-13 1060 Siskiyou Happy Camp to Waldo (Oregon) road (watershed of West Branch of Indian Creek); Klamath Mountains, West Branch of Indian Creek 1219 Comment
  CHSC598  Rhododendron neoglandulosum M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  CHSC75708  Rhododendron occidentale Vernon H. Oswald; Lowell Ahart 1999-7-5 9825 Siskiyou Summit of Hwy. 3 on Scott Mtn. southeast of Callaham. 1645 Comment
  JEPS58751  Rhododendron occidentale Willis L. Jepson 1894-8-9 14671 Siskiyou Upper Sacramento Region, Shasta Springs Shasta Springs; Upper Sacramento Region, Shasta Springs Comment
  CAS-BOT-BC200396  Rhododendron occidentale var. paludosum W. R. Dudley 1905-8-4 s.n. Siskiyou Meadow foot of Mt. Eddy Comment
  CAS-BOT-BC200403  Rhododendron occidentale var. paludosum A. A. Heller 1905-6-1 7948 Siskiyou Along the Sacramento opposite Upper Soda Spring Comment
  CAS-BOT-BC200746  Rhus aromatica C. H. M. 1919-9-24 s.n. Siskiyou Ager Comment
  CAS-BOT-BC438016  Ribes A. M. Vollmer; L. Beane 1951-6-2 66 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klammath River Highway Comment
  SEINET3151601  Ribes aureum G. D. Butler 1910-4-19 1203 Siskiyou Yreka Creek Comment
  UC165928  Ribes aureum Geo. 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
  RSA29916  Ribes binominatum Louis C. Wheeler 1934-7-3 2854 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. (Mt. Diablo Mer.) 1677 Comment
  CAS-BOT-BC108770  Ribes cereum Alice Eastwood 1912-8-28 1937 Siskiyou Sisson. Comment
  SFV18029  Ribes cereum var. cereum J. A. Matos, D. C. Rudolph 1999-8-7 s. n. Siskiyou 2 miles south of Lava Beds National Monument on Lava Beds National Monument Road. 1738 Comment
  SEINET9321585  Ribes cereum var. cereum Unknown 2009-5-31 Siskiyou High elevation, semi-arid desert ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  SEINET9296947  Ribes cruentum var. cruentum Unknown 2009-5-31 Siskiyou High elevation, semi-arid desert ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  CAS-BOT-BC173290  Ribes lacustre Roxana S. Ferris; Laura Lorraine 1948-6-12 11752 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  HSC33959  Ribes lacustre J. P. Smith 1974-5-25 7444 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  HSC69539  Ribes lacustre Maralyn A. Renner 1980-8-6 2249 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  UC796505  Ribes lacustre Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11803 Siskiyou s Callahan (on Scott Mountain Rd. at Mule Creek crossing) 1493 Comment
  UC796585  Ribes lacustre Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11752 Siskiyou w Callahan (French Creek Logging Road) 1066 Comment
  RSA0021110  Ribes lacustre Roxana S. Ferris, Laura Lorraine 1948-6-12 11803 Siskiyou At Mule Creek crossing on Scott Mountain Road south of Callahan. 1494 Comment
  CAS-BOT-BC173385  Ribes lobbii Ira L. Wiggins 1955-7-22 13460 Siskiyou Ridge W of China Creek S side of S Fork of Salmon River 960 Comment
  CAS-BOT-BC173389  Ribes lobbii A. M. Vollmer; L. Beane 1951-6-2 86 Siskiyou Happy Camp, Klamath River Highway Comment
  HSC99339  Ribes lobbii G. L. Clifton 1979-7-1 6195 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  UCD102253  Ribes lobbii Geo C. Wood 1940-4-30 s.n. Siskiyou Yreka. Comment
  HSC29426  Ribes marshallii Frederick W. Oettinger 1969-7-9 935 Siskiyou Vicinity of English Peak, Marble Mountain Wilderness Area; NW of Upper English Lake 1921 Comment
  HSC809  Ribes nevadense William J. Ferlatte 1967-7-25 734 Siskiyou Caribou Basin 1982 Comment
  SEINET3151815  Ribes nevadense G. D. Butler 1910-7-12 1759 Siskiyou Shackleford Creek 1372 Comment
  HSC68575  Ribes roezlii Maralyn A. Renner 1980-6-23 978 Siskiyou W Fork Seiad Creek 878 Comment
  CAS-BOT-BC199984  Ribes roezlii var. cruentum Alice Eastwood; John Thomas Howell 1937-6-26 5046 Siskiyou Salmon Mts. near Taylor Creek Comment
  CAS-BOT-BC199993  Ribes roezlii var. cruentum Alice Eastwood 1923-5-22 11897 Siskiyou Sisson, road to Mt. Shasta Comment
  JEPS49244 Image available Ribes sanguineum W. L. Jepson 1907-7-5 2822 Siskiyou near Marble Mt. (head of Shackelford Canyon) 2133 Comment
  RSA0019538  Ribes sanguineum J. P. Smith 1974-5-25 7445 Siskiyou Near junction of Road 8 and French Creek Road. 1280 Comment
  SD230240  Ribes sanguineum var. sanguineum Louis C. Wheeler 1959-7-19 7584 Siskiyou Salmon and Marble Mountains Region: Black Bear Creek, between Sawyers Bar & Cecilville 1372 Comment
  SFV18060  Ribes velutinum J. A. Matos, D. C. Rudolph 1999-8-7 s. n. Siskiyou 2 km north of Lava Beds National Monument near Tule Lake Sump. 1220 Comment
  UC162062 Image available Ribes velutinum A. A. Heller 1905-6-9 8005 Siskiyou Yreka; ; Yreka, Siskiyou Co. Comment
  RSA0019715  Ribes velutinum Geo. D. Butler 1910-3-13 1128 Siskiyou Klamath Hills. 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
  UC1576789  Rorippa columbiae Dean W. Taylor with Barbara Williams 1987-6-29 9096 Siskiyou White Deer Lake 1399 Comment
  RSA237289  Rorippa curvisiliqua Frederick W. Oettinger 1969-7-29 1096 Siskiyou Dry Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC1871393  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
  HSC64784  Rosa californica J. P. Smith, Steve Selva 1970-6-15 3939 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  CAS-BOT-BC147460  Rosa californica William A. Dayton 1913-9-14 584 1/2 Siskiyou Shasta National Forest, E. Fk. of Scott River Range along trail up Rail Creek 1463 Comment
  HSC59618  Rosa gymnocarpa J. P. Smith, Steve Selva 1970-6-16 3993 Siskiyou 6 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1280 Comment
  HSC99791  Rosa gymnocarpa T. Jimerson, J. Pageau 1979-6-15 566 Siskiyou Near Bark Shanty Camp, close to the town of Orleans. 1067 Comment
  RSA237791  Rosa gymnocarpa Frederick W. Oettinger 1967-7-30 223 Siskiyou Outlet stream N end of Abbotts Lake, about 200 yards down from the lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UCD77976  Rosa gymnocarpa Robert E. Preston 2002-7-12 1912 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, S slope of Rainbow Mountain 1893 Comment
  CAS-BOT-BC146797  Rosa gymnocarpa var. serpentina Alice Eastwood 1912-8-28 1960 Siskiyou Sisson 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-BC147059  Rosa pisocarpa Geo. D. Butler 1910-5-16 1352 Siskiyou Fence rows Yreka Comment
  CAS-BOT-BC147074  Rosa pisocarpa A. A. Heller 1919-6-27 13254 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  SEINET10450115 Image available Rosa pisocarpa Edwin B. Copel 1903-9-8 Copeland 3875 Siskiyou Mt. Eddy. 1463 Comment
  RSA11800  Rosa pisocarpa subsp. ahartii Elmer I. Applegate 1898-5-15 21280 Siskiyou Klamath River, between Shovel Creek and Fall Creek 793 Comment
  NY415875  Rosa pringlei C. G. Pringle 1882-9-6 s.n. Siskiyou Comment
  HSC19636  Rosa woodsii subsp. ultramontana R. C. Wunner 1965-8-24 475 Siskiyou Lava Beds NM, Capt. Jacks Stronghold near exit Comment
  CAS-BOT-BC156599  Rubus bifrons William M. Hiesey 1947-8-23 557 Siskiyou Klamath River along Highway 96, one mile west of Beaver Creek (2 mi. N. of Walker) 548 Comment
  CAS-BOT-BC147137  Rubus glaucifolius Ira L. Wiggins 1955-7-24 13494 Siskiyou Ridge betw. upper reaches of China & Blind Horse Creeks 1645 Comment
  HSC77789  Rubus lasiococcus L. P. Janeway 1983-9-11 652 Siskiyou Poker Flat 1524 Comment
  LA208218  Rubus lasiococcus Louis C. Wheeler; 1934-8-13 3116 Siskiyou Siskiyou Mountains, Johnson Dairy 1828 Comment
  HSC19435A  Rubus leucodermis J. O. Sawyer 1969-8-4 1922 Siskiyou South Sugar Creek 2043 Comment
  UC1409363  Rubus leucodermis Frederick W. Oettinger 1969-7-28 1079 Siskiyou nnw Little English Lake (High Lake Basins in vicinity of English Peak, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  RSA245274  Rubus macropetalus Carl W. Mize 1972-6-8 37 Siskiyou Forks of Salmon quad. By Wooley Creek. 335 Comment
  CAS-BOT-BC147317  Rubus parviflorus L. E. Smith 1913-5-27 291 Siskiyou Weed Comment
  HSC29360  Rubus parviflorus Frederick W. Oettinger 1968-8-18 565 Siskiyou High Lake basin in the vicinity of English Peak, Marble Mtn. Wilderness Area: E side of Hancock Lake 1936 Comment
  JEPS44777  Rubus ursinus W. L. Jepson July, 1894 13881 Siskiyou Sisson Comment
  HSC92181  Rudbeckia klamathensis Jennifer Whipple 1977-8-6 2208 Siskiyou Klamath Mtns., SW of Dobkins Lake along drainage into the lake 2104 Comment
  RSA12505  Rudbeckia occidentalis C. B. Wolf 1934-7-4 5931 Siskiyou Ten miles from Horse Creek Bridge on Klamath River, Horse Creek Road to Dry Lake Lookout, Siskiyou Mountains. 1220 Comment
  SEINET10733756  Rumex maritimus Andrew Townesmith, Karen M. Meyer 2007-8-3 Townesmith 897 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along Forest Service road 46N50, 4.4 miles NW of intersection with state route 96. Collected on uphill side of road (just above House Creek Botanical Area). T46N R11W S12. 593 Comment
  UC482249  Salix Mrs. H. P. Bracelin 1931-6-19 422 Siskiyou ca. 16 km. n.w. of Shasta City; Mt. Eddy 1500 Comment
  CAS-BOT-BC103369  Salix bonplandiana W. R. Dudley 1899-8-25 s.n. Siskiyou Gazelle Comment
  CAS-BOT-BC102815  Salix boothii John Thomas Howell 1939-8-7 15132 A Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  UC1173609  Salix boothii Joseph P. Tracy 1935-8-1 14395 Siskiyou at extreme head of W. Fork of Knownothing Creek (on ridge between Salmon and New Rivers); Rock Lake 1889 Comment
  HSC19410  Salix eastwoodiae J. O. Sawyer 1968-7-22 540 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  UC1409267  Salix eastwoodiae Frederick W. Oettinger 1968-8-2 364 Siskiyou e outlet of Diamond Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2072 Comment
  UC846307  Salix eastwoodiae John Thomas Howell 1939-8-5 15077 Siskiyou Spirit Lake; Marble Mts. Comment
  JEPS38483  Salix exigua W. L. Jepson 1907-7-22 2953 Siskiyou Burhart's Ranch Hamburg; Klamath River Comment
  CAS-BOT-BC107785  Salix hindsiana L. B. Kildale 1930-5-31 9793 Siskiyou Island in Klamath River near Hornbrook Comment
  CAS-BOT-BC107789  Salix hindsiana Carl B. Wolf 1927-8-27 1133 Siskiyou On the Klamath River, 7 mi. below Happy Camp Comment
  UC1190186  Salix jepsonii Ira L. Wiggins 1955-7-27 13565 Siskiyou margin of Caribou Lake; Salmon-Trinity Alps Primitive Area 2042 Comment
  POM229947  Salix laevigata Louis C. Wheeler 1935-5-11 3473 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  UC375227  Salix laevigata Geo. D. Butler 1909-9-20 1084 Siskiyou along creek near Yreka Comment
  HSC86544  Salix lasiandra D. K. Imper 1987-6-6 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  LA208808  Salix lasiandra Mrs. H. P. Bracelin; 1931-6-19 411 Siskiyou NE side of Mount Eddy, ca16 km NW of Shasta City, above Metcalf ranch house 1425.0 Comment
  LA208831  Salix lasiandra A. A. Heller; 1915-7-18 12129 Siskiyou Metcalf's Ranch, Metcalf's ranch, NE of Mt. Eddy in the forest 1371 Comment
  CAS-BOT-BC125153  Salix lasiandra var. lasiandra Grant 1902-9-11 5166 Siskiyou Sisson 1127 Comment
  UC576393  Salix lasiolepis Mrs. H. P. Bracelin 1936-5-12 842 Siskiyou 11 mi. n.w. from Mt. Shasta City (ca. 2 mi. e. of Burney Mill, n. base Mt. Eddy, flat beside creek at bridge); n. base Mt. Eddy 1127 Comment
  CAS-BOT-BC124536  Salix lasiolepis var. lasiolepis A. A. Heller 1915-7-18 12131 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC128303  Salix lasiolepis var. lasiolepis Doris K. Kildale 1929-4-27 7851 Siskiyou Cecilville, upper South Fork of Salmon River Comment
  CAS-BOT-BC128349  Salix lasiolepis var. lasiolepis L. E. Smith 1913-3-28 615 Siskiyou Weed Comment
  CHSC52132  Salix lemmonii E. L. Smith 1971-8-20 1058 Siskiyou At Mt. Shasta City. 1085 Comment
  CAS-BOT-BC125934  Salix prolixa L. E. Smith 1914-3-18 588 Siskiyou Yreka Comment
  CAS-BOT-BC126162  Salix scouleriana Mrs. H. P. Bracelin 1936-9-3 858 Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  RSA201313  Salix scouleriana J. T. Howell 1939-8-6 15102 -A Siskiyou Elk Peak. Marble Mtns. 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
  RSA238268  Salix scouleriana Frederick W. Oettinger 1969-8-24 1524 Siskiyou Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1784 Comment
  SBBG57975  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou Wagon Crk Cyn, ca. 1 km up from Metcalf ranch house, E side of Mount Eddy, ca. 17 km NW of Shasta City 1170 Comment
  UC481716  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou ca. 17 km. n.w. Shasta City (above stream in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house, e. side Mt. Eddy); e. side Mt. Eddy 1170 Comment
  UC482263  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 442 Siskiyou ca. 17 km. n.w. Shasta City (e. side Mt. Eddy, above creek in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house); Mt. Eddy, Wagon Creek Canyon 1170 Comment
  UC576385  Salix scouleriana Mrs. H. P. Bracelin 1936-9-3 856 Siskiyou 11 mi. n.w. Mt. Shasta City (ca. 2 mi. e. of Burney Mill, flat beside creek - second bridge, n. base Mt. Eddy); Mt. Eddy 1127 Comment
  RSA17699  Salvia dorrii subsp. dorrii Elmer I. Applegate 1935-6-5 9343 Siskiyou Capt. Jack s Ice Cave, Lava Beds National Monument Comment
  HSC14354  Salvia dorrii var. incana R. C. Wunner 1965-6-13 150 Siskiyou Lava Beds National Monument, Devil's Homestead Lava Flow 1296 Comment
  UC25742  Salvia sonomensis Milo S. Baker 1893-8-19 Siskiyou s base Mt. Shasta (Squaw Valley); , Squaw Valley Comment
  SEINET10814436  Sambucus caerulea Andrew Townesmith 2012-9-4 Townesmith 2402 Siskiyou Along California route 89, 4.0 miles east of intersection with Interstate 5. 1318 Comment
  RSA184817  Sambucus microbotrys Gilbert Muth 1966-7-29 459 Siskiyou Marble Valley, by waterfall, Marble Mountains. 1796 Comment
  JEPS45510  Sanguisorba annua W. L. Jepson July 1894 13862 Siskiyou Sisson Comment
  UC1222752  Sanicula graveolens Joseph P. Tracy 1951-6-16 19481 Siskiyou at crossing of Takilma-Happy Camp Road (Summit of the Siskiyous); Summit of Siskiyous Comment
  RSA471483  Sanicula graveolens M. B. Dunkle 1944-6-27 9043 Siskiyou Siskiyou Natl. Forest Comment
  SD112461  Sarcobatus vermiculatus Darley F. Howe 1966-8-27 4310 Siskiyou 2.1 miles east of Highway 97 on Highway 161. 1280 Comment
  HSC49938  Saussurea americana G. L. Clifton, Ground 1978-7-30 2461 Siskiyou Near White Mt., close to the town of Seiad Valley 1738 Comment
  UC168768  Saxifraga californica Geo. D. Butler 1909-4-25 781 Siskiyou Quartz Valley Comment
  JEPS80512  Saxifraga odontoloma Gilbert Muth 1966-7-24 442 Siskiyou Marble Valley; Marble Mountain Wilderness Area, Marble Valley 1792 Comment
  CAS-BOT-BC445872  Saxifragopsis fragarioides John Thomas Howell 1939-8-3 14990 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC38811  Saxifragopsis fragarioides J. O. Sawyer 1970-7-4 2324 Siskiyou At Cedar Flat Cabin 1402 Comment
  HSC55711  Saxifragopsis fragarioides G. L. Clifton, Griswold 1979-7-26 10113 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  CAS-BOT-BC111413  Schoenoplectus acutus var. occidentalis Doris K. Kildale 1929-7-21 8742 Siskiyou Elk Lisk, South Fork of Indian Creek 1219 Comment
  HSC67628  Schoenoplectus tabernaemontani J. P. Smith, Steve Selva 1970-7-16 4393 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  HSC74816  Schoenoplectus tabernaemontani J. P. Smith 1978-7-1 9996 Siskiyou Klamath National Forest, O'Neill Creek Campground, Klamath River 488 Comment
  CAS-BOT-BC111220  Scirpus M. A. Berry 1957-7-4 s.n. Siskiyou Carter Meadow at junction of Long Gulch and Trail Gulch on South fork of Salmon River. 1524 Comment
  POM211514  Scirpus congdonii L. C. Wheeler 1934-8-14 3126 Siskiyou North side White Mountain; Siskiyou Mountains. Mt. Diablo Mer. 1767 Comment
  UCD77991  Scirpus microcarpus Robert E. Preston 2002-7-13 1921 Siskiyou Klamath National Forest, Trout Creek Meadow 1505 Comment
  CAS-BOT-BC111091  Scirpus microcarpus Louis C. Wheeler 1934-9-22 3300 Siskiyou Klamath Forest, Walker. 518 Comment
  CAS-BOT-BC111098  Scirpus microcarpus W. B. Cooke; V. G. Cooke 1976-10-19 53832 Siskiyou In spring area Jessie St, Mt. Shasta City. 1082 Comment
  JEPS63796  Scirpus pungens B. C. Goldsmith 1916-1 Siskiyou Castle Rock Comment
  UC184165  Scirpus tabernaemontani Geo. D. Butler 1908-8-29 137 Siskiyou Oro Fino Comment
  SEINET7063002  Scleranthus annuus A. G. Vestal 1955-5-17 s.n. Siskiyou Scott Valley, 0.8 mile north of Etna on Route 3. UTM Zone 10, 508463mE, 4590954mN. (WGS84/NAD83). 893 Comment
  CHSC106096  Sclerochloa dura Lowell Ahart; John Dittes 2010-7-30 16943 Siskiyou In the road tracks to the west edge of the Shasta River, about 30 yards south of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  HSC81623  Scutellaria antirrhinoides Thomas W. Nelson, Jane P. Nelson 1980-7-19 6203 Siskiyou Along USFS Rd. 40N17 1.0 mi. from junction with Callahan-Cecilville Rd. 1585 Comment
  UC163835  Scutellaria antirrhinoides Geo. D. Butler 1910-7-9 1690 Siskiyou Shackleford Creek 1219 Comment
  HSC82524  Scutellaria antirrhinoides Thomas W. Nelson, Jane P. Nelson 1980-7-20 6177 Siskiyou Hillside above Big Carmen Lake 1738 Comment
  SD98954  Scutellaria antirrhinoides Darley F. Howe 1977-7-1 Siskiyou Scott Mountain Creek, Scott Mountains. 1219 Comment
  UC1523370  Scutellaria nana J. G. Lemmon 1889-6-26 Siskiyou Edgewood Comment
  UC164004  Scutellaria siphocampyloides Geo. D. Butler 1910-5-23 1401 Siskiyou near Yreka Comment
  UC1299473  Scutellaria siphocampyloides Freed W. Hoffman 1948-7-8 2563 Siskiyou s of Scott Bar (along Scott River); North Coast Ranges, Scott River Comment
  HSC36812  Secale cereale J. P. Smith 1974-5-27 7622 Siskiyou Along FS Rd. 47N03 1280 Comment
  HSC49945  Sedum laxum subsp. heckneri G. L. Clifton 1979-8-7 12751 Siskiyou Near Canyon Creek, close to the town of Seiad Valley 1342 Comment
  RSA0104952  Sedum laxum subsp. heckneri L. C. Wheeler 1934-8-15 3156 Siskiyou E Fork Horse Creek, Siskiyou Mts. 1220 Comment
  CAS-BOT-BC278105  Sedum oblanceolatum Peter F. Zika 2011-7-19 25650 Siskiyou Near Pacific Crest Trail, 1 air mile WNW of Copper Butte, Siskiyou Mountains, Klamath Range (KR) 1610 Comment
  CHSC460  Sedum obtusatum subsp. boreale V. Holt 1932-6-26 Siskiyou Mt. Eddy. 1981 Comment
  CAS-BOT-BC61464  Sedum oregonense Gilbert Muth 1966-1-1 698 Siskiyou Marble Mts. Comment
  POM210934  Selaginella wallacei Louis Cutter Wheeler 1934-8-15 3158 Siskiyou East Fork Horse Creek, Siskiyou Mtns. (Mt Diablo Mer) 1524 Comment
  SEINET11802863  Senecio aronicoides Unknown 1936-1 13321 Siskiyou near Castello Comment
  HSC76910  Senecio integerrimus K. T. Stillman 1976-6-26 122 Siskiyou Marble Mtn. Wilderness Area, near Bear Lake. 1829 Comment
  CAS-BOT-BC364444  Senecio triangularis Doris K. Kildale 1928-8-18 6498 Siskiyou Head of north fork of Salmon River at Finleys Upper Camp Comment
  CAS-BOT-BC364451  Senecio triangularis Marion Ownbey; Ruth P. Ownbey 1938-7-20 1759 Siskiyou 1 mile northwest of Dry Lake Lookout, summit of the Siskiyou Mts. Comment
  RSA261516  Senecio triangularis J. M. Tucker, D. V. Hemphill 1974-7-26 4290 Siskiyou Let-Er Buck Meadows, ca. 0.5 mile southeast of Haypress Meadows, Marble Mountain Wilderness Area. 1433 Comment
  UC179657  Sericocarpus oregonensis subsp. oregonensis A. A. Heller 1914-8-25 11700 Siskiyou near, Deetz Station Black Butte 1158 Comment
  JEPS24017  Sericocarpus oregonensis subsp. oregonensis Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6878 Siskiyou 2 mi w Seiad Valley; Klamath River, Portuguese Creek 396 Comment
  JEPS68544  Setaria viridis Geo. D. Butler 1909-10-10 1091 Siskiyou Yreka, <Doonyard> Comment
  HSC60831  Sidalcea malviflora Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC77411  Sidalcea malviflora subsp. celata L. P. Janeway 1983-8-16 548 Siskiyou Poker Flat 1524 Comment
  HSC59012  Sidalcea oregana Marvin Butler 1971-7-21 189 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  JEPS67250  Sidalcea oregana subsp. oregana Geo. D. Butler 1908-6-28 63 Siskiyou Oro Fino L. Eastlick Ranch, Oro Fino Comment
  JEPS67292  Sidalcea oregana subsp. oregana W. L. Jepson 1940-6-28 20062 Siskiyou McCloud 975 Comment
  UC164432  Sidalcea oregana subsp. spicata Geo. D. Butler 1909-6-22 905 Siskiyou Goosenest Mountain foothills of Goosenest Mountain Comment
  UC454917  Sidalcea oregana subsp. spicata I. J. Condit 1911-7-27 Siskiyou Castle Lake 1981 Comment
  POM84656  Sidalcea oregana subsp. spicata Geo. D. Butler 1910-7-17 1728 Siskiyou No location given Comment
  JEPS93905  Silene bernardina Vernon H. Oswald and Lowell Ahart 1998-8-3 9428 Siskiyou w of Kangaroo Lake (near the Pacific Crest Trail in the Scott Mountains); Scott Mountains 1981 Comment
  CAS-BOT-BC181189  Silene campanulata subsp. glandulosa Doris K. Kildale 1928-7-2 5342 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  SBBG2016  Silene campanulata subsp. glandulosa H. and M. Dearing 1939-6-3 3530 Siskiyou Spring Flat, Klamath Nat Forest Comment
  SEINET3165983  Silene campanulata subsp. glandulosa P. J. Alexander 2008-7-24 870 Siskiyou Below the Pacific Crest Trail on the E side of Lilypad Lake, +-0.6 miles S of Red Butte, +-5.5 miles N of Seiad Valley, Siskiyou Mountains, Rogue River National Forest. 1737 Comment
  CAS-BOT-BC388955  Silene grayi Alice Eastwood 1912-8-30 2007 Siskiyou Mount Eddy Comment
  HSC74921  Silene grayi J. P. Smith, Jennifer Whipple 1978-7-2 9964 Siskiyou Klamath National Forest, ridge trail E of Cook and Green Pass 1341 Comment
  CAS-BOT-BC388952  Silene grayi A. A. Heller 1920-7-9 13436 Siskiyou Easterly slope of Mt. Eddy 2286 Comment
  HSC29618  Silene grayi Frederick W. Oettinger 1968-8-16 549 Siskiyou High Lake Basin in the vicinity of English Peak, Marble Mountain Wilderness Area: East side of Hancock Lake 1951 Comment
  CDA3457  Silene latifolia subsp. alba L. Witherspoon, F. D. Horn 1978-8-21 Siskiyou Highway 97 South, Butte Valley, Mt. Hebron. 0 Comment
  HSC64678  Silene lemmonii J. O. Sawyer 1977-7-6 3037 Siskiyou Trail to Sugar Lake 2 mi. below lake 1707 Comment
  UC1483449  Silene lemmonii J. Sawyer and J. Cole 1980-7-22 3940 Siskiyou nw slopes of Cedar Mtn. Klamath National Forest, Bray Quad., Cedar Mtn. 1524 Comment
  CAS-BOT-BC94426  Silene menziesii R. C. Wenk 2005-7-16 254 Siskiyou Trinity Alps, South Fork of the Salmon River. South end of Big Flat Meadow 1499 Comment
  UC618595  Silene suksdorfii W. B. Cooke 1938-9-8 11648 Siskiyou n side of Red Butte , n side of Red Butte (Mount Shasta) Comment
  HSC40424  Silene vulgaris J. O. Sawyer 1973-7-16 2542 Siskiyou Trail along Canyon Creek above Jct. with Wooley Creek 488 Comment
  CAS-BOT-BC75158  Sisymbrium altissimum L. B. Kildale 1930-5-31 9812 Siskiyou Island in Klamath River near Camp Lowe. Comment
  JEPS25624  Smilacina racemosa Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7258 Siskiyou Poker Flat 1536 Comment
  UC1409318  Smilacina stellata Frederick W. Oettinger 1968-8-6 428 Siskiyou Hancock Lake Salmon Mountains, Marble Mountain Wilderness Area (se corner, high lake basins in vicinity of English Peak, w Siskiyou Co.) 1935 Comment
  UC164383  Smilacina stellata Geo. D. Butler 1910-5-15 1343 Siskiyou McAdams Creek Comment
  HSC62277  Smilax californica Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  JEPS107296  Solanum dulcamara Lowell Ahart, John Dittes 2005-6-10 12078 Siskiyou In water on the north side of the Shasta River, about 60 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  UCD40897  Solanum dulcamara R. Rhode 1983-5-26 22 Siskiyou At Highway 96 and Interstate 5 on the banks of the Klamath River. 701 Comment
  NY821112  Solanum parishii L. Constance 1951-6-16 3396 Siskiyou North slope of Little Grayback, Takilma-Happy Camp road 1463 Comment
  RSA68903  Solanum umbelliferum A. E. Culbertson 1943-7-24 54 Siskiyou Castle Lake, 5434', in a N facing cirque with an abrupt 1000' backwall. 14 miles SW of Mt. Shasta on N side of a 6000' eastern spur of Trinity Mtns. 2000' above Sacramento River within 10 air miles of its headwaters to the W. Comment
  SEINET12765229  Solidago californica Vernon Oswald, Lowell Ahart 1997-7-28 8791 Siskiyou Southeast of Medicine Lake at Paynes Springs.; 0 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
  UC485631  Solidago confinis Geo. B. Grant Sep 1902 5063 Siskiyou South part of California, Valley 304 Comment
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  CAS-BOT-BC365567  Solidago elongata Louis C. Wheeler 1934-9-2 3240 Siskiyou Klamath National Forest. Miller Glade 1828 Comment
  JEPS32370  Solidago elongata Geo. D. Butler 1908-8-10 308 Siskiyou Oro Fino , Oro Fino (Eastlick's Ranch) Comment
  UC60957  Solidago elongata Geo. B. Grant Sept 1902 5191 Siskiyou Dunsmuir Dunsmuir (North California) 609 Comment
  JEPS107656  Sonchus asper subsp. asper Lowell Ahart, John Dittes 2005-6-10 12117 Siskiyou At the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  RSA597967  Sorbus californica Louis C. Wheeler 1963-8-31 8319 Siskiyou Siskiyou Mountains. Devil's Punch Bowl. 1479 Comment
  CAS-BOT-BC158930  Sorbus scopulina K. T. Stillman 1976-6-25 86 B Siskiyou N sie of Elk Valley, Marble Mountain Wilderness area 1798 Comment
  HSC69211  Sorbus scopulina Maralyn A. Renner 1980-7-24 2082 Siskiyou Lily Pad Lake 1768 Comment
  HSC29470  Sorbus sitchensis var. sitchensis Frederick W. Oettinger 1968-9-8 789 Siskiyou Marble Mtn. Wilderness Area, outlet of English Lake 1799 Comment
  HSC29329  Sparganium angustifolium Frederick W. Oettinger 1968-8-13 500 Siskiyou Marble Mtn. Wilderness Area, S inlet to Hancock Lake 1936 Comment
  RSA0097344  Spergularia rubra Frederick W. Oettinger 1969-8-31 1569 Siskiyou Weed patch near English Lake; Salmon Mts; The high lake basins in the vicinity of English Peak, Marble Mt. Wilderness Area. 1753 Comment
  JEPS25814  Sphenosciadium capitellatum Geo. D. Butler 1908-8-10 460 Siskiyou Shackleford Creek 1371 Comment
  RSA593946  Spiraea densiflora Louis C. Wheeler 1963-9-3 8336 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
  JEPS24789  Spiraea douglasii Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6797 Siskiyou 6.2 mi above and sw of junction with road to Gumboot Lake (along road to Castle Lake, in drainage of Scott Camp Creek); road to Castle Lake, drainage of Scott Camp Creek, Gumboot L 1432 Comment
  CAS-BOT-BC421469  Spiraea douglasii William A. Dayton 1913-8-14 491 Siskiyou Shasta National Forest. Inside Fenced Area, Ash Creek Sink. 1219 Comment
  JEPS48997  Spiranthes romanzoffiana Geo. D. Butler 1908-8-3 28 Siskiyou Log Lake 1371 Comment
  HSC27097  Stachys rigida J. P. Smith, J. O. Sawyer 1972-9-14 5808 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  HSC467  Stachys rigida William J. Ferlatte 1966-8-3 288 Siskiyou Josephine Lake basin. 1677 Comment
  UCD77226  Stachys rigida subsp. rivularis Robert E. Preston 2002-7-12 1902 Siskiyou Klamath National Forest, S slope of Rainbow Mountain, N of Trout Creek 1652 Comment
  POM101747  Stellaria longipes Geo. D. Butler 1910-6-6 1463 Siskiyou Quartz Valley Comment
  UC454236  Stellaria longipes var. longipes I. J. Condit 1909-8-23 Siskiyou near Sisson (Castle Lake); Castle Lake Comment
  CAS-BOT-BC395085  Stellaria nitens Geo. D. Butler 1910-4-9 1158 Siskiyou near Yreka Comment
  UC1360488  Stenanthium occidentale J. M. Tucker and L. K. Mann and S. L. Holloway 1963-8-18 3747 Siskiyou ca 0.5 mi ne Marble Valley Guard Station (Upper Canyon Creek); Marble Mountain Wilderness Area 1920 Comment
  UC922494  Stenanthium occidentale Annie M. Alexander and Louise Kellogg 1949-7-24 5857 Siskiyou Paradise Lake; Marble Mountains 1920 Comment
  UC34305  Stephanomeria lactucina W. C. Blasdale 1894-7-2 Siskiyou Sisson Comment
  RSA474275  Stephanomeria lactucina Chadwick, Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  CAS-BOT-BC375668  Stephanomeria paniculata unspecified 1902-9-13 5064 Siskiyou Dunsmuir Comment
  CAS-BOT-BC375667  Stephanomeria paniculata L. E. Smith 1915-8-1 s.n. Siskiyou Sisson Comment
  HSC19243  Stipa occidentalis var. occidentalis J. O. Sawyer 1969-7-25 1552 Siskiyou S of High Lake 2210 Comment
  HSC45895  Stipa thurberiana Laura Witherspoon 1978-7-13 36 Siskiyou Klamath Natl. Forest W of Tennant Rd. Comment
  SEINET10603975  Stipa thurberiana Louis C. Wheeler 1935-5-7 Wheeler 3470 Siskiyou Precipitous rocky s slope Klamath River at Ash Creek, Siskiyou Mts., S 14, T 46 N, R 7 W, Mt. Diablo Mer. 610 Comment
  UC455752  Streptanthus barbatus I. J. Condit 1909-8-25 Siskiyou along trail Sisson, North Fork 914 Comment
  CAS-BOT-BC87866  Streptanthus tortuosus H. D. Ripley; R. C. Barneby 1948-7-6 9637 Siskiyou Black Butte. 1219 Comment
  UCD116312  Streptanthus tortuosus Robert E. Preston 1984-7-26 496 Siskiyou Mt. Shasta Ski Bowl. 2316 Comment
  RSA12512  Streptanthus tortuosus C. B. Wolf 1934-7-4 5924 Siskiyou Klamath River, 3 mi below Tee Bar Creek. 213 Comment
  UCD166859  Streptanthus tortuosus var. oblongus Robert E. Preston 2016-7-7 3059 Siskiyou 4.1 mi W of Forks of Salmon, along Salmon River Rd, opposite Bloomer Mine. 345 Comment
  CHSC30242  Streptanthus tortuosus var. orbiculatus M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3263 A Siskiyou Little Mt. Hoffman, w side. 2225 Comment
  SBBG21904  Streptanthus tortuosus var. orbiculatus D. Myrick 1962-7-25 952 Siskiyou Shasta Ski Bowl Hwy, Mt Shasta 1219 Comment
  SEINET10448528  Streptanthus tortuosus var. orbiculatus Mary Susan Taylor 1980-8-18 Taylor 3263 A Siskiyou T43N R1E sw sec 8, Medicine Lake quad. Shasta-Trinity Natl Forest, Little Mount Hoffman, W side, between road and look out. With J. Prouty & E. Heinz. 2225 Comment
  HSC44708  Streptanthus tortuosus var. tortuosus J. O. Sawyer, E. Cope 1977-6-18 2922 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  HSC18895  Streptopus amplexifolius J. O. Sawyer 1968-6-25 315 Siskiyou Along Horse Range Creek 1829 Comment
  HSC69714  Streptopus amplexifolius Maralyn A. Renner 1980-7-15 1770 Siskiyou English Lake inlet 1780 Comment
  JEPS46360  Swertia albicaulis var. nitida Ruby Van Deventer 1938-7-3 272 Siskiyou between Twin Valley and Poker Flat (on the border of Del Norte County) 1249 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
  CAS-BOT-BC269618  Symphoricarpos albus var. laevigatus Geo. B. Grant 1902-9-6 s.n. Siskiyou Sisson Comment
  RSA105400  Symphoricarpos albus var. laevigatus G. D. Barbe 1955-6-30 059 Siskiyou 0.8 mile NW of Forest Camp, Etna; along Johnson Creek. 945 Comment
  CAS-BOT-BC234790  Symphoricarpos mollis A. A. Heller 1905-6-5 7985 Siskiyou Above Shasta Springs Comment
  HSC18883  Symphoricarpos mollis J. O. Sawyer 1968-9-10 680 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  HSC18885  Symphoricarpos mollis J. O. Sawyer 1968-7-10 474 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  JEPS12887  Symphoricarpos mollis W. L. Jepson Jul 1894 Siskiyou Sisson Comment
  JEPS40843  Symphyotrichum bracteolatum Geo. D. Butler 1908-8-12 292 Siskiyou L. Eastlick's Ranch Oro Fino Comment
  CHSC88384  Symphyotrichum campestre Jenny Marr 1993-7-1 143 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC97892  Symphyotrichum eatonii Alice Eastwood 1921-7-24 10735 Siskiyou Castle Lake Comment
  CAS-BOT-BC97871  Symphyotrichum eatonii Geo. D. Butler 1908-8-11 292 Siskiyou near Oro Fino Comment
  CAS-BOT-BC97874  Symphyotrichum eatonii Louis C. Wheeler 1934-9-19 3284 Siskiyou Klamath National Forest, Walker 518 Comment
  JEPS40765  Symphyotrichum foliaceum Geo. D. Butler 1910-8-13 1830 Siskiyou Quartz Valley Comment
  SBBG25841  Symphyotrichum foliaceum D. Myrick 1966-8-9 1509 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  UC165285  Symphyotrichum frondosum Geo. D. Butler 1910-9-11 1884 Siskiyou near Gazelle Comment
  OBI80256  Symphyotrichum spathulatum David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  UC165283  Symphyotrichum spathulatum Geo. D. Butler 1910-9-11 1880 Siskiyou near Edgewood Comment
  UC75819  Symphyotrichum spathulatum Milo S. Baker 1899-7-31 Siskiyou on Ash Creek, e slope of Mt. Shasta Mt. Shasta Comment
  CAS-BOT-BC98854  Symphyotrichum spathulatum var. intermedium Milo S. Baker 1926-8-8 230 b-'26 Siskiyou Between Red Mt. and Grants Peak 2194 Comment
  UC157082  Taeniatherum caput-medusae Dr. E. B. Copeland 1903-7-5 3493 Siskiyou Klamathon, Round Mountain Round Mountain; Pacific Coast, Klamathon, Round Mountain Comment
  SEINET10861042  Taeniatherum caput-medusae E. E. Stanford 1930-6-16 Stanford 1602 Siskiyou Roadsides and open fields near Hornbrook Comment
  CHSC91244  Taraxacum officinale Lowell Ahart; John Dittes 2005-6-10 12081 Siskiyou South edge of 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. 776 Comment
  JEPS105692  Taraxia subacaulis Julie Kierstead Nelson 1993-6-4 93009 Siskiyou Mud Well, ca. 20 mi E of Mount Shasta. McCloud Ranger District. Shasta-Trinity National Forests. 1392 Comment
  UCD107054  Taraxia tanacetifolia Wm. E. Moon 1958-5-29 s.n. Siskiyou State Hwy. 97, southwest of Hebron Summit. 1524 Comment
  SD113986  Taraxia tanacetifolia Darley F. Howe 1964-8-5 3938 Siskiyou 4.4 miles south of Dorris on #97 1280 Comment
  HSC18878  Taxus brevifolia J. O. Sawyer 1968-9-13 758 Siskiyou W Branch Campground on Indian Creek N of Happy Camp Comment
  HSC33966  Taxus brevifolia J. P. Smith 1974-5-25 7453 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  HSC73324  Taxus brevifolia Gail Newton 1980-6-20 481 Siskiyou Near Bald Mtn. 1097 Comment
  CAS-BOT-BC447415  Tellima grandiflora Alice Eastwood 1923-5-18 11847 Siskiyou Shasta Springs Comment
  HSC640  Tellima grandiflora William J. Ferlatte 1967-6-30 599 Siskiyou Josephine Lake basin 1677 Comment
  CAS-BOT-BC447419  Tellima grandiflora Dorothy Parker 1950-6-15 454 Siskiyou Kidder Creek 914 Comment
  JEPS117554  Tetradymia canescens Lowell Ahart, John Dittes 2010-7-30 16971 Siskiyou On dry soil of riparian terraces, Shasta Big Springs Ranch, 2.6 miles (air) northwest of Big Springs Lake, 3.9 miles (air) southeast of Grenada, 6.3 miles (air) northwest of Dwinnel Dam 778 Comment
  CAS-BOT-BC392305  Thalictrum fendleri D. M. Traugh 1933-8-7 15 Siskiyou Klamath National Forest. Marble Valley 1828 Comment
  JEPS80527  Thalictrum fendleri var. polycarpum Gilbert Muth 1966-7-17 408 M Siskiyou trail to Lookout Marble Mt. Wilderness Area 1889 Comment
  CAS-BOT-BC88077  Thelypodium brachycarpum Frank W. Peirson 1923-7-19 3736 Siskiyou Laird's Landing. Comment
  CAS-BOT-BC88073  Thelypodium brachycarpum Ynez Whilton Winblad 1941-6-20 s.n. Siskiyou Between Weed and Yreka. Comment
  UC563967  Thelypodium flexuosum Elmer I. Applegate 1935-6-2 9286 a Siskiyou near n boundary Lava Beds National Boundary (Frenner's ranch) Comment
  CAS-BOT-BC197374  Thinopyrum intermedium subsp. barbulatum T. C. Fuller 1962-8-30 9498 Siskiyou 200 yds. up Raggedass Gulch, e. of Beaver Creek, 5 mi. n. of the Klamath River Comment
  CDA3886  Thlaspi arvense Don Shaw 1978-3-13 Siskiyou Clement Brothers property, Montague. 0 Comment
  JEPS25666  Thlaspi montanum var. montanum Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7309 Siskiyou meadow at Twin Valley (4 air-line mi nne of Preston Peak, watershed of Indian Creek, just e of Del Norte County line); Siskiyou Mts., watershed Indian Creek, nne Preston Pk 1493 Comment
  JEPS54043  Thlaspi montanum var. montanum Geo. D. Butler 1908-6-27 119 Siskiyou Forest House Mt. Comment
  UC796512  Thlaspi montanum var. montanum Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11714 Siskiyou Schoolhouse Hill East Fork of Scott River, Plowman's Valley (Noyes Valley) (Plowmans Valley [Noyes Valley]) Comment
  CAS-BOT-BC66793  Thysanocarpus curvipes Geo. D. Butler 1910-4-25 1241 1/2 Siskiyou Fields - Oro Fino. Comment
  RSA0049970  Thysanocarpus radians A. A. Heller 1929-5-14 14856 Siskiyou In a field along U.S. Highway #99, 2 miles south of Yreka. Comment
  HSC41800  Tiarella trifoliata var. unifoliata Brent Whitely 1975-6-28 66 Siskiyou Irving sale of the Klamath National Forest 915 Comment
  JEPS62174  Tofieldia occidentalis subsp. occidentalis W. L. Jepson 1907-7-10 2879 Siskiyou Cottage Grove, Crescent City Trail at Onion Patch western Siskiyou Co. Comment
  UC1483561  Tofieldia occidentalis subsp. occidentalis Maralyn A. Renner 1980-6-26 1164 Siskiyou Klamath National Forest 1389 Comment
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Feb 9 2009
  UC642566  Tofieldia occidentalis subsp. occidentalis W. Bridge Cooke 1939-7-7 13611 Siskiyou Wagon Camp Mount Shasta 1737 Comment
  JEPS49716  Tolmiea diplomenziesii W. L. Jepson 1907-7-19 2940 Siskiyou Happy Camp Trail Siskiyou Mts. (headwaters of Indian Creek) Comment
  RSA603012  Torreyochloa pallida var. pauciflora L. C. Wheeler 1935-7-26 3714 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  UCD78039  Tragopogon dubius Robert E. Preston 2002-7-12 1900 Siskiyou Klamath National Forest, Rainbow Mountain, S slope, N of Trout Creek 1644 Comment
  UCD136891  Tragopogon porrifolius Morris Halperin 1930-7-11 1 Siskiyou near Eureka. Comment
  CAS-BOT-BC519563  Triantha occidentalis subsp. occidentalis Doris K. Kildale 1928-8-19 6509 Siskiyou Siskiyou: English Lake, Salmon River Comment
  HSC91993  Triantha occidentalis subsp. occidentalis Jennifer Whipple 1976-7-8 1349 Siskiyou SW of Dobkins Lake 2256 Comment
  SBBG25930  Trichostema oblongum D. Myrick 1966-8-8 1476 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  UC22507  Trientalis latifolia Milo S. Baker 1893-6 Siskiyou 6 m below Bartles (McCloud River); McCloud River Comment
  UC618635  Trientalis latifolia W. Bridge Cooke 1938-6-17 11050 Siskiyou Mount Shasta, Sisson Southern Trail Sisson Southern Trail; Mount Shasta, Sisson Southern Trail 1371 Comment
  HSC27625  Trientalis latifolia Carl W. Mize 1972-6-22 91 Siskiyou About 1 1/2 mi. from Offield Lookout 854 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
  JEPS93881  Trifolium eriocephalum var. eriocephalum Vernon H. Oswald and Lowell Ahart 1998-7-21 9340 Siskiyou 0.2 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake on s side of Tennant Road, and on e side of the intermittent stream draining Dry Lake); Tennant Road 1402 Comment
  HSC58923  Trifolium longipes Marvin Butler 1971-7-6 20 Siskiyou Near El Capitan, close to Cave Junction 1 Comment
  HSC75351  Trifolium longipes J. O. Sawyer, M. Mesler 1980-8-10 4033 Siskiyou S of Carmen Lake, ultramafics of Scott Mtn. 1829 Comment
  UC630757  Trifolium longipes var. elmeri A. A. Heller 1916-7-22 12483 Siskiyou east side of Mt. Eddy Comment
  JEPS65935  Trifolium macrocephalum J. W. Kisling 1910-4-20 Siskiyou Edgewood 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
  UCD109292  Trifolium pratense J. M. Tucker 1950-7-23 1937 Siskiyou Town of Mt. Shasta. Comment
  CAS-BOT-BC230883  Trifolium productum Geo. D. Butler 1908-8-9 577 Siskiyou Summit between Marble Valley and West Fork of Wooley Creek 1828 Comment
  HSC18997  Trifolium repens J. O. Sawyer 1969-7-26 1585 Siskiyou Along Sugar Creek 1707 Comment
  RSA582466  Trifolium variegatum var. variegatum Louis C. Wheeler 1935-6-27 3618 Siskiyou Greenview, Scott Valley. 884 Comment
  UC630693  Trifolium willdenovii Geo. D. Butler 1910-5-8 1313 Siskiyou near Yreka Comment
  CHSC91177  Triglochin concinna var. debilis Lowell Ahart; John Dittes 2005-6-9 11999 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  CAS-BOT-BC519595  Trillium W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountain Comment
  CAS-BOT-BC519097  Trillium chloropetalum var. chloropetalum B. H. Mace 1920-5-27 121 Siskiyou Sulphur Camp 1676 Comment
  JEPS25879  Trillium ovatum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7466 Siskiyou edge of Twin Valley meadows; Siskiyou Mts. 1584 Comment
  UCD93898  Trisetum cernuum A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3450 Siskiyou South of Happy Camp. Swillup Creek at point of junction with Klamath River. Comment
  CAS-BOT-BC200266  Trisetum spicatum Alice Eastwood 1921-7-28 10910 Siskiyou Medicine Lake Comment
  CHSC70214  Trisetum spicatum Jennifer Whipple 1977-7-22 2046 Siskiyou Klamath Mountains. Dale Creek drainage on the north face of Mount Eddy. 2286 Comment
  HSC4778  Trisetum spicatum William J. Ferlatte 1966-8-19 453 Siskiyou Head Of Kidd Creek 2134 Comment
  UC1265464  Trisetum spicatum Frederick W. Oettinger 1968-8-22 593 Siskiyou slopes between English Peak and Diamond Lake (w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area Comment
  UC1483498  Trisetum spicatum J. Sawyer and J. Cole 1980-7-19 3693 Siskiyou near FS Road 45N05 (in center of Section 11); Klamath National Forest, Medicine Lake Quad. 2017 Comment
  POM109795  Triteleia crocea Geo D. Butler 1910-5-5 1287 Siskiyou [Huckleberry] Mountain. 1220 Comment
  UC61171  Triteleia hyacinthina W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta, Sisson Comment
  LA6319  Tsuga mertensiana W. B. C.; 1939-8-24 13895 Siskiyou Mount Shasta, around the middle Squaw Valley Creek meadows, between Panther Creek and Mud Creek Canyon 2377 Comment
  CAS-BOT-BC80261  Tsuga mertensiana subsp. grandicona J. M. Tucker 1963-7-8 3734 Siskiyou east side of Black Mountain, ca. 1 mile north of Marble Valley, Marble Mountain Wilderness Area 1981 Comment
  HSC67617  Typha latifolia J. P. Smith, Steve Selva 1970-8-7 4540 Siskiyou Jct. I-5 and Stewart Creek Rd. Comment
  CAS-BOT-BC91277  Umbellularia californica Carl B. Wolf 1927-8-27 1149 Siskiyou On the Klamath River above the Salmon River. Comment
  SEINET12088264  Umbellularia californica M. Ownbey, Meyer, F. G. 1940-1 2223 Siskiyou Along Indian Creek, 12 mi above Happy Camp Comment
  CAS-BOT-BC404213  Urtica dioica subsp. holosericea Carl B. Wolf 1927-8-26 1073 Siskiyou On the Klamath River, near Hamburg Comment
  CAS-BOT-BC199195  Vaccinium cespitosum W. R. Dudley 1905-8-4 s.n. Siskiyou Foot of Mt Eddy Comment
  CAS-BOT-BC199199  Vaccinium cespitosum Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Skyhigh [Sky High] Lake Comment
  HSC44965  Vaccinium cespitosum J. O. Sawyer 1978-6-20 3276 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  JEPS58731  Vaccinium cespitosum W. L. Jepson 1907-7-6 2851 Siskiyou near Cuddihy Valley Comment
  POM77558  Vaccinium cespitosum Geo D. Butler 1910-7-11 1740 Siskiyou Upper Campbell Lake. 1677 Comment
  HSC60770  Vaccinium membranaceum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC65418  Vaccinium membranaceum R. White 1978-7-3 206 Siskiyou Saddle in spur ridge between Dillon Trail and 5759 Comment
  CAS-BOT-BC199476  Vaccinium parvifolium Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  UCD70131  Vaccinium parvifolium D. Sanchez-Mata 1997-9-19 s.n. Siskiyou Klamath National Forest. Happy Camp-O'Brien. Indian Creek Road. Jefferson State Scenic Byway. 1400 Comment
  RSA238869  Vaccinium scoparium Frederick W. Oettinger, J. L. Morrison 1967-8-17 279 Siskiyou 0.1 mile SSW of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  SD219128  Valeriana sitchensis R. F. Thorne, Frederick W. Oettinger 1969-8-4 63361 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. 1935 Comment
  RSA183712  Veratrum californicum Gilbert Muth 1965-8-3 151 Siskiyou Marble Valley, Marble Mts. Comment
  HSC81625  Veratrum californicum var. californicum Thomas W. Nelson, Jane P. Nelson 1980-7-19 6201 Siskiyou Along USFS Rd. 40N17 1.0 mi. from junction with Callahan-Cecilville Rd. 1585 Comment
  RSA15790  Verbascum blattaria Carl B. Wolf 1927-8-26 1018 Siskiyou Klamath River, 5 miles below Hornbrook. Comment