Search Results — 2000 specimen records retrieved (1358 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
  HSC44740  Abies X shastensis Maralyn O'Meara 1974-5-25 397 Siskiyou Along road to Duck Lakes trail 1402 Comment
  RSA237419  Abies amabilis Frederick W. Oettinger 1968-9-5 711 Siskiyou At south end of Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2072 Comment
  HSC4997  Abies lasiocarpa J. O. Sawyer 1969-8-2 1695 Siskiyou Slopes W of Little Duck Lake 2226 Comment
  HSC5008  Abies lasiocarpa J. O. Sawyer 1968-10-8 754 Siskiyou W of Little Duck Lake 1936 Comment
  JEPS42737  Acer circinatum Willis L. Jepson 1894-8-9 13942 Siskiyou Shasta Sprs., Sacramento River Canyon Region of the Upper Sacramento, Sacramento River Canyon Comment
  JEPS42680  Acer glabrum Geo. D. Butler 1909-7-2 908 Siskiyou Highland Mine Comment
  UC1045246  Acer glabrum var. glabrum W. Bridge Cooke 1940-7-12 15348 Siskiyou near lower end of the Sisson Southern Trail springs Mount Shasta, Sisson Southern Trail springs Comment
  HSC4972  Acer glabrum var. torreyi J. O. Sawyer 1968-7-23 597 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  RSA597963  Acer glabrum var. torreyi Louis C. Wheeler 1963-9-2 8332 Siskiyou Siskiyou Mountains. Near Bell Echo Camp, near Young's Valley, Clear Creek. 1402 Comment
  HSC36704  Acer macrophyllum Brent Whitely 1975-6-23 43 Siskiyou 223 Comment
  CAS-BOT-BC18869  Achillea millefolium William Bridge Cooke 1939-8-10 13873 Siskiyou Mount Shasta, on upper flats along the Mud Creek Canyon on its west side. 2895 Comment
  CAS-BOT-BC30434  Achillea millefolium Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  CHSC86654  Achillea millefolium Jenny Marr 1993-7-1 37 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CHSC91360  Achillea millefolium Lowell Ahart; John Dittes 2005-6-9 12039 Siskiyou Hill, south of a rock fence, about 100 yards northeast of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  HSC160  Achillea millefolium William J. Ferlatte 1966-8-3 247 Siskiyou Big Flat, near public campground 1524 Comment
  HSC4996  Achillea millefolium J. O. Sawyer 1968-7-23 609 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  RSA12486  Achillea millefolium Carl B. Wolf 1934-7-4 5951 Siskiyou 6.8 miles from Dry Lake lookout on road to Horse Creek, Siskiyou Mountains. 1829 Comment
  CAS-BOT-BC30432  Achillea millefolium Gilbert J. Muth 1965-7-29 s.n. Siskiyou On top of Marble Mountain Lookout Comment
  RSA211200  Achillea millefolium William J. Ferlatte 1966-8-3 247 Siskiyou Trinity Alps: Big Flat, wooded area near public camp. 1524 Comment
  RSA68926  Achillea millefolium A. E. Culbertson 1943-7-12 31 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall; 14 miles SW of Mt. Shasta on N side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  CAS-BOT-BC400004  Achlys triphylla A. M. Vollmer; L. Beane 1951-6-2 87 Siskiyou Happy Camp, Klamath River Highway Comment
  CAS-BOT-BC110707  Achnatherum nelsonii subsp. dorei L. P. Janeway 1983-8-26 606 Siskiyou Siskiyou Mountains. At Poker Flat. 1524 Comment
  UC1265474  Achnatherum occidentale subsp. californicum Frederick W. Oettinger 1968-8-8 454 a Siskiyou Crapo Meadow near Tom Taylor Cabin (vicinity of English Peak Marble Mountain Wilderness Area); Salmon Mountains, High Lake Basin 2026 Comment
  UCD51162  Achnatherum occidentale subsp. californicum A. H. Murphy 1959-7-21 59 D Siskiyou Shasta National Forest. Deadfall Lake area. 2225 Comment
  CAS-BOT-BC218015  Achnatherum thurberianum Elmer I. Applegate 1935-6-10 9465 Siskiyou Indian Well, Lava Beds National Monument Comment
  UCD51439  Achnatherum thurberianum L. Whitney 1934-6-27 s.n. Siskiyou 30 miles SW of Tennant. 1371 Comment
  SEINET11696160  Achnatherum thurberianum W. E. Moon 1958-5-29 s.n. Siskiyou State Hwy 97, 12 mi NE of Weed Comment
  UCD103800  Acmispon americanus var. americanus A. A. Heller 1914-8-25 11701 Siskiyou Deetz Station near Black Butte. 1158 Comment
  CHSC93536  Acmispon brachycarpus Lowell Ahart; John Dittes 2005-6-10 12115 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
  HSC30775  Acmispon nevadensis J. P. Smith, J. O. Sawyer 1972-5-28 5373 Siskiyou 1.2 mi. E. of Jackson Creek on Callahan-Cecilville Rd., Klamath National Forest 1341 Comment
  UCD104265  Acmispon nevadensis var. nevadensis Tofsrud 1948-8-1 s.n. Siskiyou East edge of McCloud. Comment
  UCD104269  Acmispon nevadensis var. nevadensis R. Tofsrud; J. M. Tucker 1948-8-2 1756 Siskiyou Outskirts of McCloud. Comment
  UC398632  Aconitum columbianum A. A. Heller 1927-8-1 14433 Siskiyou at State Teachers College near Shasta City (Sisson) 1074 Comment
  UC618886  Aconitum columbianum W. Bridge Cooke 1938-7-29 11420 Siskiyou Wagon Camp Meadow and at Bear Springs Wagon Camp; Mt. Shasta, Wagon Camp Comment
  CAS-BOT-BC391511  Aconitum columbianum subsp. columbianum A. A. Heller 1915-8-26 12240 Siskiyou Mt Eddy 1828 Comment
  CAS-BOT-BC391536  Aconitum columbianum subsp. columbianum A. A. Heller 1914-8-28 11724 Siskiyou East side of Mt. Eddy 1310 Comment
  HSC36225  Aconitum columbianum subsp. columbianum John Rehling 1974-8-24 48 Siskiyou Trail to Big Duck Lake Comment
  CHSC71599  Aconitum columbianum var. columbianum Vernon H. Oswald; Lowell Ahart 1998-8-3 9437 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  CAS-BOT-BC413840  Aconogonon davisiae Wm. Bridge Cooke 1938-7-21 11289 Siskiyou Mount Shasta. Between Horse Camp and Panther Creek Meadows Comment
  JEPS60385  Actaea rubra W. L. Jepson July, 1894 Siskiyou Sisson Comment
  HSC28742  Actaea rubra Frederick W. Oettinger 1969-8-21 1483 Siskiyou Marble Mtn. Wilderness Area, Willow Spring on English Lake Trail 1677 Comment
  CAS-BOT-BC29320  Adenocaulon bicolor Doris Kildale 1929-7-21 8745 Siskiyou Elk Lick, south fork Indian Creek Comment
  SEINET3868489 Image available Adiantum pedatum J. P. Smith, Steve Selva 1970-7-15 4349 Siskiyou Road to Happy Camp.; 0 732 Comment
  HSC33345  Aegilops cylindrica William J. Ferlatte 1973-6-28 1680 Siskiyou Montague, NE edge of town 777 Comment
  CAS-BOT-BC26634  Agastache parvifolia Alice Eastwood; John Thomas Howell 1940-6-14 8266 Siskiyou Lava Beds National Monument, near Schonchin Butte Comment
  JEPS62947  Agastache urticifolia Ruby Van Deventer 1938-7-31 188 Siskiyou Poker Flat 1219 Comment
  RSA181615  Agastache urticifolia Dorothy Parker 1950-6-15 453 Siskiyou Along Kidder Creek. 915 Comment
  CAS-BOT-BC29452  Ageratina occidentalis Alice Eastwood 1912-8-28 1944 Siskiyou Cantara Comment
  CAS-BOT-BC29449  Ageratina occidentalis Louis C. Wheeler 1934-8-9 3070 Siskiyou Dead Cow Creek, Klamath National Forest 1981 Comment
  CAS-BOT-BC29454  Ageratina occidentalis Dorothy Parker 1946-8-18 s.n. Siskiyou Rail Creek 1219 Comment
  HSC19166  Ageratina occidentalis J. O. Sawyer 1969-8-2 1663 Siskiyou SE facing slope above Little Duck Lake 1951 Comment
  UC1199313  Ageratina occidentalis Joseph P. Tracy 1935-8-2 14433 Siskiyou ne side along trail Youngs Peak; North Coast Regions, Youngs Peak 1524 Comment
  CHSC253  Agoseris aurantiaca V. Holt 1943-8-14 Siskiyou Marble mountains. 1828 Comment
  JEPS97916  Agoseris aurantiaca var. aurantiaca R. Raiche, H. Forbes, K Zadnik 1989-4-10 61 Siskiyou W of Weed, 5.4 km. on Parks Creek Rd. toward Mt. Eddy from Stewart Springs Rd. 1506 Comment
  RSA14495  Agoseris glauca var. dasycephala Elmer I. Applegate 1923-8-17 3845 Siskiyou West side of Medicine Lake Comment
  JEPS109708  Agoseris glauca var. glauca Dean W. Taylor 2002-7-20 18258 Siskiyou Forest Road 17 ca. 3.3 miles west (above) junction with Stewart Springs Road, Parks Creek 1524 Comment
  SFV5158  Agoseris grandiflora B. C. Templeton 1960-6-21 8525 Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  CAS-BOT-BC22772  Agoseris heterophylla Alice Eastwood 1912-7-15 1124 Siskiyou McCloud Comment
  CAS-BOT-BC22774  Agoseris heterophylla Lewis S. Rose 1945-6-18 45108 Siskiyou Horse Creek and Klamath River 502 Comment
  JEPS94398  Agoseris monticola Vernon Oswald and Lowell Ahart 1997-7-28 8797 Siskiyou on the meadow s of Schonchin Spring Campground at Medicine Lake Medicine Lake 2057 Comment
  CAS-BOT-BC126988  Agrostis exarata A. A. Heller 1915-7-18 12114 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy. 1249 Comment
  HSC69385  Agrostis exarata Maralyn A. Renner 1980-8-31 2668 Siskiyou Poker Flat at trailhead to Twin Valley 1524 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
  UCD52129  Agrostis exarata Beecher Crampton 1956-8-22 3869 Siskiyou Wagon Camp Road, lower south slopes of Mt. Shasta. 1645 Comment
  UCD52351  Agrostis exarata A. H. Murphy 1959-7-21 59 C Siskiyou Shasta National Forest. Deadfall Lake area. 2225 Comment
  CAS-BOT-BC139573  Agrostis gigantea Wm. Bridge Cooke 1938-7-29 11409 Siskiyou Mount Shasta. Above Bear Springs. 1645 Comment
  HSC65332  Agrostis gigantea J. P. Smith, J. O. Sawyer 1973-8-15 7329 Siskiyou N of Angel Lake 2012 Comment
  UCD52799  Agrostis idahoensis Roseman 1913-1 s.n. Siskiyou Butte Valley. Comment
  UCD52996  Agrostis idahoensis A. H. Murphy 1954-8-11 54 -F Siskiyou Round Meadow, Klamath National Forest, U.S.F.S. 1676 Comment
  CAS-BOT-BC138927  Agrostis pallens John Thomas Howell 1939-8-9 15213 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  CAS-BOT-BC138939  Agrostis pallens Geo. D. Butler 1910-7-12 1748 Siskiyou Shackerford Creek. 1219 Comment
  UCD53188  Agrostis pallens A. H. Murphy 1955-7-28 55 I Siskiyou Hancock Lake, Marble Mountains, Klamath National Forest. 1889 Comment
  RSA186327  Agrostis variabilis Gilbert Muth 1966-10-16 18 Siskiyou Marble Mountain. 1793 Comment
  UCD37093  Agrostis variabilis Beecher Crampton 1956-8-22 3858 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2316 Comment
  UCD53705  Agrostis variabilis Robert E. Preston 2001-7-20 1680 Siskiyou Klamath National Forest, norht slope of Rainbow Mountain, n of Hemlock Lake. 1700 Comment
  JEPS117468  Alisma plantago-aquatica Lowell Ahart, John Dittes 2010-7-30 16949 Siskiyou On the bottom of a water ditch, at the edge of the dry upland, about 30 yards south of the Shasta River, about 80 yards west of the pipe across the Shasta River, about 200 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) 716 Comment
  SDSU11452  Alisma triviale D. F Howe 1972-7-8 4881 Siskiyou 1524 Comment
  SEINET4899472  Allium amplectens J. Seely 1991-6-3 s.n. Siskiyou Klamath National Forest, Gordon's Ferry. Along Klamath River. 366 Comment
  CAS-BOT-BC462995  Allium bolanderi Volney Rattan 1903-1-1 s.n. Siskiyou Klamath Comment
  JEPS104836  Allium bolanderi var. bolanderi Dean W. Taylor 1996-6-18 15727 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 Comment
  CAS-BOT-BC466699  Allium cratericola A. M. Vollmer; L. Beane 1951-5-31 17 Siskiyou Near highway, Scott Mountain Comment
  CHSC2064  Allium falcifolium E. G. England 1939-6-30 Siskiyou Mt. Eddy. 2286 Comment
  HSC91448  Allium falcifolium Jennifer Whipple 1976-7-14 1472 Siskiyou SE slope of Mt. Eddy draining into the N Fork of Sacramento River 2195 Comment
  CAS-BOT-BC469236  Allium falcifolium H. C. Cantelow 1936-5-21 s.n. Siskiyou North slope of Scott Mountain 1219 Comment
  RSA367094  Allium falcifolium L. C. Wheeler 1935-6-9 3566 Siskiyou Yreka Creek. Siskiyou Mtns. (Mt Diablo Mer.) 1220 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-BC132145  Allium siskiyouense Thomas Howell 1884-6-17 s.n. Siskiyou Siskiyou Mountains Comment
  CAS-BOT-BC478035  Allium validum John Thomas Howell 1937-7-23 13356 Siskiyou South Fork of Salmon River near the Big Flat 0 Comment
  POM170268  Allium validum Geo D. Butler 1910-6-19 1577 Siskiyou Goosenest Foothills. 1524 Comment
  RSA211509  Allium validum William J. Ferlatte 1966-8-17 393 Siskiyou Caribou Basin; Trinity Alps. 1982 Comment
  UC21634  Allotropa virgata Harley P. Chandler Jun 1901 1546 Siskiyou Ridges and Meadows near Marble Mountain 1828 Comment
  CAS-BOT-BC171417  Alnus incana subsp. tenuifolia W. R. Dudley 1901-8-18 s.n. Siskiyou N of Jackson Lake Comment
  CHSC118466  Alnus incana subsp. tenuifolia Julie Kierstead Nelson 2015-8-13 2015 -131 Siskiyou UTM NAD 83 Zone 10, 536590m E, 4583713m N. Headwaters of west fork Parks Creek, 2 miles NE of China Mountain 2176 Comment
  HSC26930  Alnus rhombifolia J. P. Smith, J. O. Sawyer 1971-9-18 4834 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  HSC65416  Alnus viridis subsp. sinuata Rich White 1978-7-3 221 Siskiyou Lake E of Sawtooth Trail, N of Dillon Trail 1502 Comment
  CHSC71290  Alyssum alyssoides Vernon H. Oswald; Lowell Ahart 1998-6-11 9178 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  JEPS125961  Alyssum alyssoides D. W. Taylor 1997-6-11 16044 Siskiyou Headwaters of Moffett Creek, Scott river drainage, at head of Sissel Gulch Comment
  RSA756942  Amelanchier alnifolia var. pumila Robert F. Thorne 1969-8-2 63341 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. 1159 Comment
  CAS-BOT-BC142870  Amelanchier alnifolia var. semiintegrifolia Gilbert Muth 1966-7-8 369 Siskiyou Marble Valley Meadow - Marble Mts. 1792 Comment
  HSC103  Amelanchier alnifolia var. semiintegrifolia William J. Ferlatte 1966-6-23 149 Siskiyou Big Flat, near public camp 1524 Comment
  HSC18534  Amelanchier pallida R. C. Wunner 1965-8-21 465 Siskiyou California Lava Beds National Monument; 1/4 mile S from Cinder Pit in direction of Caldwell Cave 1402 Comment
  HSC29353  Amelanchier pallida Frederick W. Oettinger 1969-8-13 1358 Siskiyou Marble Mtn. Wilderness Area, below Halfway Spring, trail from English Lake to Diamond Lake 1829 Comment
  HSC98  Amelanchier pallida William J. Ferlatte 1967-6-5 493 Siskiyou Big Flat, near public camp 1524 Comment
  RSA237659  Amelanchier pumila Frederick W. Oettinger 1969-8-13 1358 b Siskiyou Below Halfway Spring, trail from English Lake to Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC136879  Amelanchier utahensis Isabelle C. Kimber 1934-6-9 21 Siskiyou Steelbridge Camp, Sacramento River just above confluence with Ney Creek 731 Comment
  CAS-BOT-BC136886  Amelanchier utahensis Edward Lee 1934-8-14 1112 Siskiyou Little Grayback, Siskiyou-Del Norte County line 1859 Comment
  CAS-BOT-BC136902  Amelanchier utahensis Alice Eastwood 1921-7-24 10730 Siskiyou Castle Lake Comment
  CAS-BOT-BC136903  Amelanchier utahensis L. E. Smith 1913-5-12 s.n. Siskiyou Dunsmuir Comment
  CAS-BOT-BC136914  Amelanchier utahensis Doris K. Kildale 1929-5-11 7761 Siskiyou Klamath River at Hornbrook Comment
  JEPS120214  Amelanchier utahensis Julie Kierstead Nelson with Keli McElroy 2012-8-10 2012 -078 Siskiyou NW side of Gumboot Lake Comment
  UC555443  Amelanchier utahensis Dorothy Tebbe 1929-6-5 126 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC45213  Anaphalis margaritacea A. A. Heller 1914-8-28 11734 Siskiyou East side of Mount Eddy 2103 Comment
  HSC78309  Anaphalis margaritacea L. P. Janeway 1983-8-28 645 Siskiyou Poker Flat 1529 Comment
  UCD118717  Androsace elongata subsp. acuta Louis C. Wheeler 1935-1 3432 Siskiyou Greenhorn creek, Siskiyou Mts. 944 Comment
  HSC4930  Anemone deltoidea J. O. Sawyer 1968-7-2 354 Siskiyou Upper drainage of Joe Creek 1677 Comment
  HSC61856  Anemone deltoidea Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  SEINET12093427  Anemone deltoidea H. P. Chandler 1901-1 1554 Siskiyou near Marble Mountain 1829 Comment
  CAS-BOT-BC391862  Anemone drummondii Harley P. Chandler 1901-6-1 1657 Siskiyou North Coast Ranges. Marble Mountain 2438 Comment
  JEPS19776  Anemone drummondii Rimo Bacigalupi with S. Galen Smith 1957-6-26 5952 Siskiyou above meadows at s. end Gumboot Lake (head of S. Fork Sacramento R., close to Trinity Co. line); S. Fork Sacramento R., Gumboot Lake 1859 Comment
  POM100562  Anemone drummondii Geo. D. Butler 1908-8-5 45 Siskiyou Marble Mtn Comment
  RSA625525  Anemone occidentalis Louis C. Wheeler 1963-8-25 8273 Siskiyou South slope, Preston Peak: South summit. 2134 Comment
  UC853596  Anemone occidentalis L. E. Smith Siskiyou Mt. Shasta Comment
  POM149887  Anemone occidentalis Geo. D. Butler 1910-7-10 1736 Siskiyou Upper Carufehell Lake. 1677 Comment
  CAS-BOT-BC221415  Angelica hendersonii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. Below 6440 ft. summit Comment
  HSC61189  Angelica tomentosa Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  HSC91110  Angelica tomentosa Jennifer Whipple 1976-9-3 1785 Siskiyou W facing slope of the ridge between Durney Lake and Little Crater Lake 2195 Comment
  UCD127193  Angelica tomentosa J. M. Tucker; L. K. Mann 1963-7-4 3697 Siskiyou vicinity of U.S. Forest Service Public Camp, just east of Finley Camp, road from Etna to Sawyer's Bar. Comment
  HSC27715  Anisocarpus madioides Carl W. Mize 1972-6-8 15 Siskiyou NW slope 343 Comment
  CAS-BOT-BC59278  Antennaria argentea Louis C. Wheeler 1934-7-3 2852 Siskiyou Klamath Forest, Soda Creek 1767 Comment
  UC221516  Antennaria argentea H. E. Brown Jun 1 1897-Jun 10 1897 297 Siskiyou near Sisson 1083 Comment
  CAS-BOT-BC59289  Antennaria argentea J. H. Thomas 1954-5-13 4160 Siskiyou Salmon Mountains, Klamath Nation Forest 1127 Comment
  JEPS120182  Antennaria argentea Julie Kierstead Nelson with Rhonda Posey, Peter Zika, Talitha Derksen 2012-6-21 2012 -054 Siskiyou Headwaters of South Fork Willow Creek, foothills of N side Scott Mountain. Along Rd. 42N42Y .2 mi. E of junction with 42N19 Comment
  JEPS33940  Antennaria argentea W. L. Jepson 1902-7-21 2086 Siskiyou near Cecilville Comment
  CHSC91381  Antennaria dimorpha Lowell Ahart; John Dittes 2005-6-10 12075 Siskiyou On the south side of a poor dirt road, about 100 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  SEINET2039593  Antennaria geyeri A. A. Heller 1938-7-12 15245 Siskiyou Five miles north of Weed on State Highway #49. 1070 Comment
  UCSB63907  Antennaria geyeri Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou Forest Route 15 ca. 1 mi. south of Harris Spring; T42N R2E Sect. 31 1463 Comment
  UCD77338  Antennaria howellii subsp. howellii Robert E. Preston 2002-7-14 1930 Siskiyou Klamath National Forest, N slope of Rainbow Mountain 1850 Comment
  CAS-BOT-BC77346  Antennaria media John Thomas Howell 1937-7-24 13401 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  JEPS25842  Antennaria media Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7457 Siskiyou meadow at headwaters of, just of Jeep Rd from Poker Flat to Twin Valley Indian Creek; Siskiyou Mts., Indian Creek 1584 Comment
  CAS-BOT-BC79911  Antennaria microphylla Geo. D. Butler 1909-7-15 954 Siskiyou Highland Mine 1828 Comment
  HSC33962  Antennaria rosea subsp. rosea J. P. Smith 1974-5-25 7446 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  HSC67783  Antennaria rosea subsp. rosea J. O. Sawyer, J. Cole 1980-7-21 3842 Siskiyou N of FS Rd. 44N01 near intersection with road to Lava Camp. 1677 Comment
  CHSC75759  Antirrhinum vexillo-calyculatum subsp. breweri Vernon H. Oswald; Lowell Ahart 1999-7-5 9801 Siskiyou Gazelle-Callahan Hwy 9.0 mi west of Gazelle. 914 Comment
  JEPS23768  Antirrhinum vexillocalyculatum subsp. breweri Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6821 Siskiyou 7 mi e Callahan 1127 Comment
  JEPS83421  Antirrhinum vexillocalyculatum subsp. breweri David M. Thompson 1983-7-1 362 Siskiyou 1.9 mi from Quartz Valley Rd. (not East Q.V.R) jct. with Scott River Rd. (down Quartz Valley Rd, e side of road, 1.0 mi from bridge over Mill Creek); Fort Jones Quad. (15', 1955) 853 Comment
  JEPS49791  Apocynum androsaemifolium Geo. D. Butler 1908-8-1 76 Siskiyou Caldwell Ranch near Yreka Comment
  UC566936  Apocynum androsaemifolium Dorothy Tebbe 1929-7-7 7 Siskiyou Donkey Camp Mt. Eddy Comment
  UCD77342  Apocynum androsaemifolium Robert E. Preston 2001-8-26 1765 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, Hemlock Lake. 1883 Comment
  CAS-BOT-BC394976  Aquilegia formosa John Thomas Howell 1937-7-24 13388 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC395148  Aquilegia formosa Alice Eastwood 1912-7-16 1128 Siskiyou McCloud Comment
  HSC728  Aquilegia formosa William J. Ferlatte 1966-8-17 392 Siskiyou Caribou Basin 1982 Comment
  SEINET10536203  Aquilegia formosa Mary Merello 1993-6-25 Merello 722 Siskiyou Shasta National Forest. At end of Forest Service Road 39N 28, road to Lower Falls and Fowlers Campground. Open conifer woodlands. Disturbed. Along McCloud River. 970 Comment
  CAS-BOT-BC397948  Aquilegia formosa Margaret M. Hanna 1958-6-20 s.n. Siskiyou Near highway N of Dunsmuir Comment
  HSC87012  Aquilegia formosa var. formosa Steve Morgan 1987-7-28 Siskiyou McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, S of Mt. Shasta 1768 Comment
  HSC23654  Arabis breweri var. breweri J. O. Sawyer 1969-7-24 1466 Siskiyou NW facing slope SW of Sugar lake. 1829 Comment
  HSC29180  Arabis divaricarpa Frederick W. Oettinger 1968-8-18 568 Siskiyou High Lake basin in the vicinity of English Peak, Marble Mtn. Wilderness Area: E side of Hancock Lake 1936 Comment
  CDA24657  Arabis holboellii var. retrofracta F. D. Horn 1977-5-2 Siskiyou Near Weed. 0 Comment
  HSC90310  Arabis modesta D. L. Goforth 1980-4-23 468 Siskiyou Salmon River at Grant Bluff 290 Comment
  RSA0128945  Arabis modesta Lincoln Constance, Reed C. Rollins 1942-5-13 2907 Siskiyou Klamath-Siskiyou Region: Klamath River 4 miles east of Seiad. 457 Comment
  HSC90274  Arabis oregana D. L. Goforth 1980-6-27 645 Siskiyou Scott River, S of Deep Creek 732 Comment
  HSC92698  Arabis oregana J. P. Smith 1973-5-5 6497 Siskiyou Along Cook and Green Pass Rd. Comment
  UC1198306  Arabis oregana Mrs. F. A. Graham 1934-4-1 Siskiyou near Somes Bar 213 Comment
  RSA237312  Arabis platysperma Frederick W. Oettinger 1967-8-13 261 Siskiyou Southeast of Tom Taylor Cabin and about 50 yards from cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  HSC29178  Arabis rigidissima Frederick W. Oettinger 1969-9-4 1636 Siskiyou Marble Mtn. Wilderness Area, W face of Peak E of Hancock Lake 1982 Comment
  POM143232  Arabis subpinnatifida Geo. D. Butler 1910-4-16 1181 Siskiyou Near Yreka. Comment
  CAS-BOT-BC171698  Aralia californica J. H. Thomas; H. A. Thomas 1954-7-22 4441 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville, between Rush and Big Bend Creeks, .25 - .5 miles N of S Fork of Salmon river. Along banks of Big Bend Creek. 975 Comment
  CAS-BOT-BC171029  Aralia californica Marion Ownbey; Fred G. Meyer 1940-7-8 2221 Siskiyou Along Cade Creek near it's mouth, 3 miles east of Happy Camp. Comment
  UC705878  Aralia californica Marion Ownbey and Fred G. Meyer 1940-7-8 2221 Siskiyou 3 mi. e. Happy Camp (along Glade Creek near its mouth); Glade Creek Comment
  SEINET2471228  Arceuthobium abietinum R. L. Mathiasen 2008-9-16 2008 -30 Siskiyou Ca. 4.8 km E. of Etna Summit on road to Sawyers Bar 1630 Comment
  SEINET2471230  Arceuthobium abietinum subsp. wiensii R. L. Mathiasen 2008-9-16 2008 -33 Siskiyou 18.4 km W. of Indian Creek road on forest road 17N11 1310 Comment
  RSA237459  Arceuthobium californicum Frederick W. Oettinger 1969-9-5 1677 Siskiyou Between Abbotts Lake and Wiregrass Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  JEPS84177  Arceuthobium campylopodum L. R. Heckard with J. Hickman 1986-7-17 6489 Siskiyou ca 9 mi n Hwy 96 (Walker) (Oak Knoll Ranger Station rd to Condrey Mt.) 1480 Comment
  SEINET2471193  Arceuthobium campylopodum R. L. Mathiasen 2009-8-14 2009 -45 Siskiyou 1 km N. of State Route 89 on Shasta Ski Park Rd. 1411 Comment
  UC1409472  Arceuthobium campylopodum Frederick W. Oettinger 1968-9-5 712 Siskiyou between Diamond and Hancock Lakes Salmon Mountains, Marble Mountain Wilderness Area, English P 2011 Comment
  CAS-BOT-BC410076  Arceuthobium douglasii William Bridge Cooke 1947-7-25 17729 Siskiyou north side of Cascade Gulch, Mt. Shasta 1524 Comment
  CAS-BOT-BC39006  Arctostaphylos klamathensis Roger Raiche 1982-10-13 20804 Siskiyou On rocky north-facing bluff above uppermost lake above Terrace Lake. 1981 Comment
  CAS-BOT-BC39976  Arctostaphylos nevadensis Laura M. Lathrop 1903-7-25 s.n. Siskiyou Mt. Bradley Comment
  CAS-BOT-BC39982  Arctostaphylos nevadensis Wayne Roderick; Martha Roderick 1979-7-11 s.n. Siskiyou Mumbo Basin 1737 Comment
  CAS-BOT-BC39984  Arctostaphylos nevadensis Doris K. Kildale 1928-8-19 6540 Siskiyou Top of divide between Snglish Lake & hancock Lake on trail to Marbles. 2194 Comment
  CAS-BOT-BC40017  Arctostaphylos nevadensis Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Shackleford Trail below Bull Meadow Comment
  HSC69381  Arctostaphylos nevadensis J. O. Sawyer, J. Cole 1980-7-19 3696 Siskiyou Near FS Rd. 45N05, center of section 1890 Comment
  LA42206  Arctostaphylos nevadensis H. P. Bracelin; 1931-6-21 459 Siskiyou N side of Mt. Eddy above Dobkin's Lake, near Mt. Shasta City 2133 Comment
  OBI36626  Arctostaphylos nevadensis David J. Keil 1983-7-3 17383 Siskiyou Slopes of Mt. Shasta along Memorial hwy Comment
  UC618623  Arctostaphylos nevadensis W. Bridge Cooke 1938-8-18 11504 Siskiyou Horse Camp Slopes Mount Shasta Comment
  CAS-BOT-BC46437  Arctostaphylos patula W. B. C. 1938-6-17 11016 Siskiyou Sisson Southern Trail. 1524 Comment
  CAS-BOT-BC46483  Arctostaphylos patula Wayne Roderick; Jacob Sigg 1981-8-23 s.n. Siskiyou W. of town of Gazelle near Gazelle summit. 914 Comment
  POM77329  Arctostaphylos patula Geo D. Butler 1909-4-11 640 Siskiyou Shasta Retreat. Comment
  RSA782327  Arctostaphylos viscida subsp. pulchella R. W. Spjut, Paul Burchstead 2008-6-12 16342 Siskiyou Klamath Region. Klamath National Forest: along North Fork of the Salmon River, east of the Forks of the Salmon 629 Comment
  CAS-BOT-BC47020  Arctostaphylos viscida subsp. viscida Alice Eastwood 1912-7-20 1250 Siskiyou Horubrook. Comment
  UCR39797  Arenaria congesta K. T. Stillman 1976-6-25 94 Siskiyou Between Marble Gap and Elk Valley Trail Comment
  HSC60849  Arenaria serpyllifolia Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley 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
  UC796528  Arenaria serpyllifolia subsp. serpyllifolia Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11721 Siskiyou w Callahan (French Creek Loggin Road) 1066 Comment
  UCD105962  Arenaria serpyllifolia var. serpyllifolia Jesse Miller 2010-1 s.n. Siskiyou Near Yreka.. 1219 Comment
  CAS-BOT-BC82247  Arnica chamissonis Calvin McMillan; Malcom A. Nobs 1949-6-17 797 Siskiyou Grass Lake, Highway 97 Comment
  CAS-BOT-BC82366  Arnica cordifolia L. E. Smith 1914-5-12 693 Siskiyou Weed Comment
  HSC63258  Arnica cordifolia M. A. Baker 1979-7-31 1099 Siskiyou Johnson's Hunting Ground 2080 Comment
  JEPS35920  Arnica cordifolia W. L. Jepson 1907-7-6 2849 Siskiyou Cudahay Valley (valley above) Cudahay Valley Comment
  HSC46237  Arnica discoidea Jennifer Whipple 1976-7-13 1459 Siskiyou Mt. Eddy 2256 Comment
  HSC22130  Arnica diversifolia J. O. Sawyer 1969-7-18 1365 Siskiyou E of Waterdog Lake 2012 Comment
  UC609369  Arnica latifolia Eleanor Burks Hart 1938-8-16 916 Siskiyou Upper Wright Lake 2225 Comment
  CAS-BOT-BC90083  Arnica viscosa Alice Eastwood 1912-9-1 2055 Siskiyou Mount Shasta Comment
  UC1483477  Arnica viscosa Maralyn A. Renner 1980-9-1 2697 Siskiyou Devil's Punchbowl Preston Peak Quad., Klamath National Forest 1828 Comment
  CAS-BOT-BC90133  Artemisia biennis R. Pederson; G. Pederson 1979-9-26 113 Siskiyou Lower Klamath National Wildlife Refuge 1237 Comment
  CAS-BOT-BC84889  Artemisia campestris subsp. pacifica John Thomas Howell 1939-8-8 15177 Siskiyou Black Mt., Marble Mountains Comment
  UC1190169  Artemisia douglasiana Ira L. Wiggins 1955-7-26 13511 Siskiyou just above mouth of Blind Horse Creek (on river banks); South Fork Salmon River 886 Comment
  RSA183731  Artemisia ludoviciana subsp. incompta Gilbert Muth 1965-8-17 232 Siskiyou On trail to backside of Blk. Mt. Comment
  CAS-BOT-BC97417  Artemisia tridentata subsp. tridentata George H. Ward; Ann Ward 1949-7-14 828 Siskiyou ca. 15 mi. NE of Weed Comment
  HSC74910  Aruncus dioicus var. acuminatus J. P. Smith 1978-5-28 9956 Siskiyou Klamath National Forest, 7.6 mi. SE of Somes Bar on the road along the Salmon River Comment
  UC165759  Aruncus dioicus var. pubescens Geo. D. Butler 1908-8-3 280 Siskiyou canyon of Shackleford Creek Comment
  CAS-BOT-BC447710  Aruncus dioicus var. vulgaris John Thomas Howell 1966-8-3 497 Siskiyou Marble Valley by creek; Marble Mts. 1792 Comment
  RSA151826  Aruncus sylvester Francia Chisaki, H. K. Sharsmith 1959-8-20 4742 Siskiyou Salmon River between Forks of Salmon and Somes Bar. 305 Comment
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Aug 18 2015
  RSA605352  Asarum caudatum L. C. Wheeler 1959-7-25 7603 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  CAS-BOT-BC400703  Asarum hartwegii Wm. Bridge Cooke 1938-6-24 11105 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  CAS-BOT-BC400699  Asarum hartwegii A. A. Heller 1905-6-5 7989 Siskiyou On the plateau just above Shasta Springs Comment
  HSC89615  Asarum hartwegii Brian Marston, William Kristan, Reid Storre 1988-3-27 105 Siskiyou 5 mi. S of Somes Bar, Oak Bottom Campground, on Hwy. 99 152 Comment
  RSA76058  Asclepias cordifolia Geo. D. Butler 1910-5-23 1396 Siskiyou Humbug Mtn. 1220 Comment
  SEINET191595  Asclepias fascicularis Marion Ownbey, Fred G. Meyer 1940-7-4 2170 Siskiyou Border of meadow along Ditch Creek, near Hornbrook. Comment
  CDA15398  Asclepias speciosa G. F. Hrusa 1997-9-18 14109 Siskiyou Shasta Valley. 1 mi. S of Gazelle on Old Hwy. 99. Comment
  SEINET10950966  Asclepias speciosa Karen M. Meyer, Andrew Townesmith 2007-7-31 Meyer 173 Siskiyou Shasta-Trinity National Forest. 5.3 mi. on NF Rd. 17, off US Hwy. 97, turn out right before forest rd. 42N19. 1298 Comment
  UC23009  Asclepias speciosa T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  HSC60013  Asparagus officinalis M. A. Baker 1977-6-27 387 Siskiyou Happy Camp. Comment
  HSC46339  Aspidotis densa J. P. Smith 1973-5-5 6492 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  SEINET3868723  Aspidotis densa James P. Smith 1973-5-5 6492 Siskiyou Trail to the Siskiyou cypress stand off the Cook and Green Pass road.; 0 Comment
  CAS-BOT-BC69555  Aspidotis densa Louis C. Wheeler 1934-6-28 2814 Siskiyou Little Soda Cr., Klamath Forest. 1432 Comment
  HSC29479  Aspidotis densa Frederick W. Oettinger 1968-8-23 610 Siskiyou Salmon Mtns. Marble Mtn. Wilderness Area, due E and 50 ft. below Diamond Lake 2058 Comment
  POM58123  Aster eatonii E. B. Copeland 1903-8-13 3821 Siskiyou Sisson. 1067 Comment
  CHSC34100  Aster radulinus J. D. Jokerst; M. D. Huffine 1981-9-11 1474 Siskiyou 4 air miles NE of China Peak. Comment
  UC862503  Astragalus arrectus L. E. Smith 1913-7-1 Siskiyou Hilt Comment
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Jan 31 2013
  CAS-BOT-BC178808  Astragalus californicus J. K. Nelson; Rhonda Posey; Mary Ellen Colberg; Twyla Miller 2006-5-19 2006 -014 Siskiyou North side of Mt. Shasta, south of Hwy. 97, Hotlum Fire area, Juniper Flat 7.5 minute quadrangle, 716-4, 1992. 1100 Comment
  UCD104695  Astragalus curvicarpus M. F. Wojciechowski; M. J. Sanderson 1998-6-17 809 Siskiyou Roadside, along US highway 97 at California-Oregon border. Comment
  RSA715634  Astragalus gambelianus L. Ahart 2005-6-9 12013 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  UC1731130  Astragalus inversus Dean Wm. Taylor with Glenn L. Clifton, Rexford E. Palmer, Roy Buck 1987-6-24 9049 Siskiyou vicinity of Mud Well, McCloud River headwaters 1402 Comment
  HSC39771  Astragalus purshii J. O. Sawyer 1970-4-4 2080 Siskiyou Along Sugar Creek 823 Comment
  CHSC71298  Astragalus purshii var. purshii Vernon H. Oswald; Lowell Ahart 1998-6-11 9202 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. 1402 Comment
  HSC46184  Astragalus purshii var. tinctus Jennifer Whipple 1977-4-30 1879 Siskiyou Scott Valley near Weston Gulch on open hillside 854 Comment
  CAS-BOT-BC198706  Astragalus whitneyi var. siskiyouensis A. A. Heller 1916-7-22 12487 Siskiyou East side of Mt. Eddy 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
  UC726555  Astragalus whitneyi var. siskiyouensis A. A. Heller 1916-7-22 12487 Siskiyou e side Mt. Eddy Comment
  CDA26765  Astragalus whitneyi var. siskiyouensis T. C. Fuller 1960-6-29 4643 Siskiyou Scott Mountain Road, 4.2 miles south of Callahan. 0 Comment
  RSA215617  Astragalus whitneyi var. siskiyouensis Gilbert Muth 1969-8-7 1258 Siskiyou Boulder Peak Ridge. 2470 Comment
  RSA516373  Astragalus whitneyi var. siskiyouensis Barbara J. Ertter 1985-5-30 5758 Siskiyou 2.6 mi N of Scott Mt Summit on Hwy 3 SE of Callahan. 1402 Comment
  UCD66895  Asyneuma prenanthoides J. P. Smith and Steve Selva 1970-7-15 4340 Siskiyou Klamath Nat'l. Forest; road to Happy Camp. 731 Comment
  CAS-BOT-BC69533  Athyrium alpestre subsp. americanum Annie M. Alexander; Louise Kellogg 1949-7-22 5834 Siskiyou Trail to Kings Castle, Paradise Lake, Marble Mountains. 1996 Comment
  HSC23598  Athyrium distentifolium var. americanum J. O. Sawyer 1969-8-2 1717 Siskiyou E facing slope SW of Little Duck Lake 2241 Comment
  CAS-BOT-BC17618  Athysanus pusillus Lincoln Constance; Reed Clark Rollins 1942-5-13 2916 Siskiyou Klamath-Siskiyou Region. Scott River 10 miles southwest of Scott Bar. 609 Comment
  CHSC72232  Atriplex rosea Vernon H. Oswald; Lowell Ahart 1998-9-16 9652 Siskiyou Return leg of the Tour Route at Lower Klamath NWR ca. 2 mi south of Hwy. 161. 1243 Comment
  HSC4354  Atriplex rosea L. C. Wheeler 1934-10-24 3348 Siskiyou Oak Knoll Ranger Station, Klamath River 671 Comment
  HSC4357  Atriplex truncata L. C. Wheeler 1934-10-21 3330 Siskiyou Shasta Valley 4 mi. E of Grenada 869 Comment
  CAS-BOT-BC106540  Balsamorhiza deltoidea Geo. D. Butler 1910-4-16 1180 Siskiyou Klamath Hills Comment
  HSC96813  Balsamorhiza deltoidea S. Lyon, J. McIntire 2006-6-25 29 Siskiyou 200 ft. W of intersection of FS 39N14 and 39N04 1616 Comment
  UC722207  Balsamorhiza deltoidea C. L. Hitchcock and J. S. Martin 1939-7-6 5211 Siskiyou Takilma-Happy Camp Road Siskiyou Mts. 1676 Comment
  UCD114283  Barbarea orthoceras A. H. Murphy 1953-7-28 KNF 7 Siskiyou Long Gulch Camp, Siskiyou-Trinity County. 1889 Comment
  SBBG2418  Barbarea vulgaris H. and M. Dearing 1939-6-5 3550 Siskiyou E of McCloud Comment
  UCD95064  Berberis aquifolium var. aquifolium Jeff Kennedy 1994-4-24 2 Siskiyou Four-acre private parcel, 1.1 air miles W of the Ctrl. Mt. Shasta exit from Interstate 5; 0.5 air-mile W of Mt. Shasta State Fish Hatchery; S of W end of Melo Rd. (off of Old Stage Rd.); W of and adj. to Wagon Creek; E of ranch w/ lg. stock pond. 1042 Comment
  HSC69429  Berberis aquifolium var. repens John Palmer 1980-7-23 569 Siskiyou Past Elbow Springs at end of USFS Rd. 15N19 1220 Comment
  UC135573  Berberis aquifolium var. repens Dr. E. B. Copeland 1903-8-19 3810 Siskiyou Mt. Eddy 1463 Comment
  UCD95090  Berberis aquifolium var. repens James P. Smith 1973-5-5 6436 Siskiyou along Cook and Green Pass road. Comment
  HSC58851  Berberis nervosa Marvin Butler 1971-7-30 248 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  UC1280799  Berberis nervosa H. E. McMinn 1931-6-27 2532 Siskiyou Seiad Valley to Clear Creek (Klamath River road) Comment
  CAS-BOT-BC75917  Berberis piperiana Doris K. Kildale 1928-8-18 6428 Siskiyou North Fork Salmon River at Finley Camp. Comment
  CAS-BOT-BC75918  Berberis piperiana Doris K. Kildale 1929-4-27 7500 Siskiyou Cecilville upper South Fork of Salmon River. Comment
  CAS-BOT-BC75929  Berberis piperiana Louis C. Wheeler 1934-6-15 2716 Siskiyou Hungry Creek. Siskiyou Mountains. 1280 Comment
  JEPS2943 Image available Betula occidentalis W. L. Jepson 1902-7-19 2083 Siskiyou Forks of Salmon to Cecilville Forks of Salmon Comment
  UC5392  Betula occidentalis W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson Mount Shasta Comment
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1
  HSC2222  Bidens cernua L. C. Wheeler 1934-10-21 3337 Siskiyou Shasta Valley, 4 miles east of Grenada 869 Comment
  JEPS24810  Bidens cernua Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6819 Siskiyou 7 mi e Callahan 1127 Comment
  UC61668  Bidens cernua Geo. B. Grant 1902-9-1 5222 Siskiyou Sisson, Mount Shasta, Pacific Coast Pacific Coast, Mount Shasta, Sisson 914 Comment
  CHSC71595  Bistorta bistortoides Vernon H. Oswald; Lowell Ahart 1998-8-3 9436 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  HSC19291  Bistorta bistortoides J. O. Sawyer 1969-7-12 1344 Siskiyou Edge of Sugar Lake 1799 Comment
  CAS-BOT-BC127947  Blepharipappus scaber A. M. Vollmer; L. Beane 1951-5-31 21 Siskiyou On scree near highway, Scott Mountain Comment
  CHSC36146  Blepharipappus scaber K. Bridwell; D. Bateman 1978-7-6 170 Siskiyou N slope of Sheep Mountain, ca. 10 mi e of Macdoel. 1645 Comment
  CAS-BOT-BC127927  Blepharipappus scaber David D. Keck 1938-8-8 4861 Siskiyou On hillside 0.4 mi. S. of Scott Mt. Lodge, near Mill Creek, Scott Mts. 1040 Comment
  CAS-BOT-BC127939  Blepharipappus scaber T. S. Brandegee 1887-6-1 s.n. Siskiyou Klamath River (Hornbrook) Comment
  CDA10531  Blepharipappus scaber subsp. laevis F. D. Horn 1977-6-8 Siskiyou Weed Airport, north of Weed. 0 Comment
  UC199785  Boechera Annie M. Alexander and L. Kellogg 1911-6-21 170 Siskiyou Jackson Lake Jackson Pk. Comment
  CAS-BOT-BC16891  Boechera A. M. Vollmer; L. Beane 1951-6-2 73 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway. Comment
  CAS-BOT-BC15789  Boechera acutina John Thomas Howell 1939-8-2 14945 Siskiyou Marble Mountains. Spirit Lake. Comment
  CAS-BOT-BC15797  Boechera acutina Alice Eastwood 1912-8-30 1963 Siskiyou Mount Eddy. Comment
  UC166207  Boechera acutina Geo. D. Butler 1910-7-9 1719 Siskiyou Marble Mountain 1828 Comment
  CAS-BOT-BC15804  Boechera acutina Thomas W. Nelson; Jane P. Nelson 1980-7-19 6196 Siskiyou Along Forest Service road 29N01 A at Fox Creek ca. 1 mile from junction with Forest Service road 29N01. 1676 Comment
  CHSC36131  Boechera breweri K. Bridwell 1978-4-15 95 Siskiyou Irongate Reservoir at Jenny Creek, ca. 20 mi ne of Hornbrook. 762 Comment
  CAS-BOT-BC16020  Boechera breweri subsp. breweri Doris K. Kildale 1928-7-4 5502 Siskiyou Summit of divide between Salmon River and Scott Valley. Comment
  JEPS40879  Boechera howellii Paul C. Hutchison 1962-8-2 942 Siskiyou between top of ski lift and Panther Meadow; Mt. Shasta 2743 Comment
  CHSC470  Boechera lyallii V. Holt 1942-8-6 Siskiyou Caribou Lake, Trinity Alps. 2133 Comment
  CAS-BOT-BC14670  Boechera rectissima Marion Ownbey; Fred G. Meyer 1940-7-3 2161 Siskiyou 5 miles northwest of McCloud. Comment
  CAS-BOT-BC25615  Boechera retrofracta John Thomas Howell 1939-8-4 15048 Siskiyou Marble Mountains. Marble River. 1889 Comment
  UC722114  Boechera retrofracta C. L. Hitchcock and J. S. Martin 1939-7-9 5308 Siskiyou near Marble Mt. (Kings Castle) (n side of Black Mt.); Black Mt. 2072 Comment
  CAS-BOT-BC25920  Boechera suffrutescens A. A. Heller 1920-7-9 13439 Siskiyou Unspecified. Comment
  SEINET10500399  Boschniakia strobilacea Mary Susan Taylor 1980-6-23 Taylor 2944 Siskiyou T39N R6W se sec 25 Dunsmuir quad. Shasta-Trinity Natl Forest; bog around Cedar Lake, ca. 11 mi SW of Mt Shasta City; peaty soils over gabbro. 1737 Comment
  CHSC1632  Boykinia major M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  CAS-BOT-BC418456  Boykinia major J. E. Wilson 1935-7-20 s.n. Siskiyou Caribou Lake, Trinity Mts. Comment
  CAS-BOT-BC418459  Boykinia major Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  RSA211105  Boykinia major William J. Ferlatte 1966-8-17 395 Siskiyou Caribou Basin; Trinity Alps 1982 Comment
  RSA238310  Boykinia major Frederick W. Oettinger 1967-7-26 209 Siskiyou Outlet of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  RSA756939  Boykinia major R. F. Thorne 1969-8-2 63345 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 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
  HSC72378  Brickellia greenei J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8964 Siskiyou 1/2 mile N of Siskiyou County line on Hwy. 3 Comment
  SEINET5707333 Image available Brickellia greenei Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7693 Siskiyou Scott Mts. Collected along Road 17, 8.8 mi. SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1586 Comment
  RSA68950  Brodiaea multiflora A. E. Culbertson 1943-7-1 8 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
  CAS-BOT-BC144104  Bromus Gilbert Muth 1966-7-22 434 Siskiyou Marble Mountains. Meadow below Marble Rim. 2011 Comment
  RSA603844  Bromus berteroanus L. C. Wheeler 1935-5-7 3468 Siskiyou Klamath River at Ash Creek. 610 Comment
  UC1037163  Bromus carinatus var. carinatus Leo Whitney 1935-7-15 3474 Siskiyou 2 mi se of Medicine Lake (Bullseye Lake); Bullseye Lake Comment
  CAS-BOT-BC148795  Bromus carinatus var. marginatus G. P. Rixford s.n. Siskiyou South side of Shaft-Rock Mountain Hilt. Comment
  UCD59199  Bromus carinatus var. marginatus Geo. D. Butler 1908-7-3 486 Siskiyou Near Yreka. Comment
  CAS-BOT-BC156272  Bromus catharticus W. D. Hamilton 1946-4-19 s.n. Siskiyou 4 miles north of Davis. Comment
  CAS-BOT-BC155961  Bromus commutatus Louis C. Wheeler 1934-6-22 2748 Siskiyou Klamath National Forest. Cottonwood Creek. 914 Comment
  UCD58981  Bromus madritensis August L. Hormay 1932-4-20 s.n. Siskiyou Brownell. Comment
  HSC30542  Bromus orcuttianus Frederick W. Oettinger 1969-8-16 1392 Siskiyou Near English Lake, Salmon Mountains 1707 Comment
  HSC68521  Bromus orcuttianus Maralyn A. Renner 1980-6-23 983 Siskiyou W Fork Seiad Creek 878 Comment
  RSA239075  Bromus orcuttianus Frederick W. Oettinger 1969-8-5 1207 Siskiyou Willow Spring on English Lake Trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  RSA239079  Bromus orcuttianus Frederick W. Oettinger 1968-9-2 664 Siskiyou Southwest side of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1869 Comment
  UC1265366  Bromus orcuttianus Frederick W. Oettinger and R. F. Thorne 1969-8-6 1246 Siskiyou below Pine Lake Basin (in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area, Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  SACT000688  Bromus sterilis G. Kimber 1934-6-9 Siskiyou Close to junction with Sacramento River Comment
  UCD59704  Bromus sterilis A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3389 Siskiyou At Weed near habitations. Comment
  LA13847  Bromus tectorum Wm. Bridge Cooke; 1938-6-17 11039 Siskiyou Mount Shasta, along the Sisson Southern Trail 1371 Comment
  UCD59949  Bromus tectorum var. nudus P. B. Kennedy 1923-7-29 s.n. Siskiyou Mt. Shasta City. By Camp Sisson. Comment
  UC204739  Bromus trinii Geo. D. Butler 1910-4-16 1185 Siskiyou Klamath Bluffs Comment
  CAS-BOT-BC185382  Bromus vulgaris John Thomas Howell 1937-7-23 13364 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  HSC95754  Calamagrostis breweri Gordon Leppig 1998-8-14 1037 Siskiyou Klamath National Forest, Little Duck Lake Fen, Russian Wilderness, SW of Little Duck Lake 2073 Comment
  SEINET3924021  Calamagrostis breweri Barbara Wilson, Keli Kuykendall; Julie Nelson; Bruce Newhouse 2001-7-12 10578 Siskiyou Property of Yreka Timber Products; 1.4 miles by road below (north of) parks Creek Summit on Shasta-Trinity National Forest Road 17.; 0 2012 Comment
  RSA602389  Calamagrostis canadensis L. C. Wheeler 1935-7-26 3716 Siskiyou Jaynes Canyon; Siskiyou Mountains. (Mt. Diablo Mer.) 1951 Comment
  CAS-BOT-BC185268  Calamagrostis koelerioides John Thomas Howell 1939-8-2 14942 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  RSA238376  Calamagrostis koelerioides Frederick W. Oettinger 1969-9-3 1614 Siskiyou Shasta Ridge, north slope of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UCD57332  Calamagrostis koelerioides Geo. D. Butler 1910-7-7 1651 Siskiyou Shackleford Creek. Comment
  CAS-BOT-BC185256  Calamagrostis koelerioides W. R. Dudley 1901-8-23 s.n. Siskiyou Slope and top of Foxtail Ridge. Comment
  CAS-BOT-BC185259  Calamagrostis koelerioides Doris K. Kildale 1929-8-24 8826 Siskiyou Preston Peak. 2133 Comment
  SJSU11316  Calamagrostis rubescens S. H. Casey 1981-7-4 1209 Siskiyou near Cook & Green Pass, Seiad Creek Rd c. 6 mi N of Seiad Valley 1706 Comment
  CAS-BOT-BC85730  Calocedrus decurrens Doris K. Kildale 1928-8-20 6639 Siskiyou Finley's Upper Camp, head of north fork Salmon River - trail to Marble Mt. Comment
  HSC28738  Calocedrus decurrens Frederick W. Oettinger 1968-8-13 505 Siskiyou Marble Mtn. Wilderness Area, bank of Hancock Lake 1936 Comment
  JEPS39841  Calocedrus decurrens Geo. D. Butler 1908-11-1 547 Siskiyou Butler's Ranch Quartz Valley, Butlers Ranch Comment
  UC1076355  Calocedrus decurrens D. Tebbe 1930-3-28 60 Siskiyou near Weed Comment
  CAS-BOT-BC85749  Calocedrus decurrens C. Hart Merriam 1907-9-15 s.n. Siskiyou Near Hat Creek (between Snell's and Eldredge's. Comment
  RSA68949  Calochortus coeruleus A. E. Culbertson 1943-6-19 9 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 mi SW of Mt. Shasta on N side of a 6600 eastern spur of Trinity Mtns., 2000 above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  JEPS61648  Calochortus elegans Hilda W. Grinnell 1935-6-7 Siskiyou Dry Lake Ranger Station Siskiyou Mts. 2062 Comment
  CHSC30379  Calochortus longebarbatus Eric F. Heinitz 1980-7-17 27 Siskiyou At Tom Young Flat ca. 2 mi. NW of Pondosa. 1292 Comment
  CAS-BOT-BC483442  Calochortus macrocarpus Dorothy Parker 1948-7-26 158 Siskiyou Cal-Ore, near the California-Oregon border 1219 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
  CAS-BOT-BC132458  Calochortus persistens Marion Ownbey; S. J. Preece, Jr. 1952-6-25 3341 Siskiyou Ridge road to Deadwood Lookout, mountains west of Yreka Comment
  JEPS105051  Calochortus persistens Dean W. Taylor 1996-7-7 15800 Siskiyou Gunsight Peak (about 5 air miles northwest of Yreka); Klamath National Forest 1859 Comment
  CAS-BOT-BC132628  Calochortus uniflorus W. R. Dudley 1899-8-26 s.n. Siskiyou Upper Sacramento Comment
  CAS-BOT-BC181511  Caltha leptosepala Harley P. Chandler 1901-6-1 1571 Siskiyou Ridges and meadows near Marble Mountain 1828 Comment
  HSC92133  Caltha leptosepala Jennifer Whipple 1976-6-12 971 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  SJSU6533  Caltha leptosepala R. W. Trivelpiece 1973-6-21 150 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  POM210917  Calycadenia truncata subsp. scabrella L. C. Wheeler 1934-10-6 3310 Siskiyou Shasta Valley, 2 mi. SE of Yreka. 854 Comment
  CAS-BOT-BC272742  Calycadenia truncata subsp. truncata Carl B. Wolf 1927-8-26 1039 Siskiyou On the Klamath River, 4 mi. north of Gottville Comment
  CAS-BOT-BC94470  Calyptridium umbellatum R. C. Wenk 2005-7-19 335 Siskiyou Along Pacific Crest Trail, near top of pass below Mt. Eddy 2438 Comment
  JEPS74490  Calyptridium umbellatum W. J. Ferlatte 1966-6-22 77 Siskiyou Trinity Alps, Josephine Lake Basin Josephine Lake Basin; Trinity Alps, Josephine Lake Basin 1676 Comment
  UC725361  Calyptridium umbellatum A. A. Heller 1940-7-25 15771 Siskiyou about Horse Camp (Mount Shasta); Mount Shasta 2438 Comment
  CDA39861  Calystegia malacophylla D. H. Shaw & J. R. Keck 1977-7-19 s.n. Siskiyou Coffee Creek near Big Flat Campground, Klamath National Forest. 0 Comment
  CAS-BOT-BC160906  Camissonia tanacetifolia subsp. tanacetifolia Elmer I. Applegate 1935-6-2 9285 Siskiyou Frenner's ranch, old road to the Lava Beds, near National Monument Comment
  UC1037435  Campanula prenanthoides Douglas Barbe 1955-7-28 317 Siskiyou on n slope of mountain 1/4 mi sw Big Carmen Lake; Klamath Mountains, Scott Mountain 1737 Comment
  UC29014  Campanula prenanthoides Milo S. Baker 1893-6 Siskiyou 6 mi below Barthes; McCloud River Comment
  UC334033  Campanula prenanthoides unknown Sept. 1883 Siskiyou near Shasta Comment
  UC479158  Campanula prenanthoides Marcus E. Jones, A. M. 1931-7-17 29061 Siskiyou Shasta City (Session's) Comment
  SEINET10463022  Campanula prenanthoides Wolf 1927-8-26 WOLF 1064 Siskiyou KLAMATH R., 8 MI ABOVE HAMBURG Comment
  SEINET10463143  Campanula prenanthoides Life 1923-8-6 LIFE s.n. Siskiyou SHASTA SPRINGS Comment
  SEINET10463161  Campanula prenanthoides Cyrus G. Pringle 1881-8-16 Pringle s.n. Siskiyou Comment
  JEPS16326  Campanula rotundifolia Peter H. Raven 1956-9-5 10457 Siskiyou North Fork of the Sacramento River 2011 Comment
  CAS-BOT-BC266454  Campanula scabrella W. R. Dudley 1899-8-26 s.n. Siskiyou Slopes and top of 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
  SEINET10463387  Campanula scabrella Muth 1978-8-1 MUTH 6901 Siskiyou Near Cory peak, on the China Mountain quadrangle, clase to the town of Callahan 2219 Comment
  JEPS25839  Campanula scouleri Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7453 Siskiyou about 13 air mi nw Happy Camp (road along Del Norte-Siskiyou county boundary, ridge top dividing Indian Creek drainage from that of Illinois River--leading to Twin Valley) 1584 Comment
  SEINET10463787  Campanula scouleri Clifton 1975-7-29 CLIFTON s.n. Siskiyou Near Copper Butte; Seiad Valley quadrangle near Seiad Valley 1414 Comment
  UC248605  Campanula scouleri Dr. Edward Palmer Jul 13 1892-Jul 27 1892 2469 Siskiyou Mt. Shasta and vicinity Comment
  UC890576  Campanula scouleri L. E. Smith 1913-7-12 480 Siskiyou Mt. Eddy Comment
  SEINET10463528  Campanula scouleri Alice Eastwood 1912-7-21 Eastwood 1283 Siskiyou Sisson Comment
  SEINET10463692  Campanula scouleri Bradley 1879-1 Bradley s.n. Siskiyou SODA SPRINGS, U. SACRAMENTO R. Comment
  SEINET10463786  Campanula scouleri Joseph W. Congdon 1900-8-8 Congdon s.n. Siskiyou Near Sisson Comment
  CHSC99588  Campanula shetleri L. P. Janeway 2008-7-22 9448 Siskiyou Klamath Ranges. Between the Trinity Mountains, Castle Crags, and The Eddys; narrow ridge between Hart Lake and Little Castle Lake. Growing in rocky cracks in very steep north-facing granite outcrop. 1871 Comment
  UC618772  Campanula wilkinsiana W. Bridge Cooke 1938-9-17 11698 Siskiyou around springs above Horse Camp (on summit trail); Mount Shasta, Horse Camp Springs Comment
  SEINET10972124  Campanula wilkinsiana Graves 1944-8-28 GRAVES s.n. Siskiyou Panther Meadows, Mt. Shasta Comment
  UC375294  Capsella bursa-pastoris Geo. D. Butler 1908-7-14 1047 Siskiyou around Yreka Comment
  UCD114169  Cardamine bellidifolia Dean Wm. Taylor 1975-8-14 5456 Siskiyou Mt. Shasta, between Shasta Ski area and Green Butte. 2590 Comment
  JEPS53313  Cardamine breweri Milo S. Baker 1899-7-31 Siskiyou Ash Creek above Warren and Anderson's Mill (on McCloud River near Bartles, e slope Mount Shasta); e slope Mt. Shasta, Ash Creek, McCloud River Comment
  CAS-BOT-BC37849  Cardamine oligosperma Lewis S. Rose 1945-6-18 45109 Siskiyou Horse Creek and Klamath River. 502 Comment
  CDA36793  Cardaria draba D. B. Joley 1976-6-24 5 Siskiyou Montague. 0 Comment
  UC826284  Carex Frank W. Gould 1940-5-14 1228 Siskiyou Bull Meadows Goosenet Mountains 1524 Comment
  CAS-BOT-BC19761  Carex abrupta John Thomas Howell 1939-8-5 15066 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC19771  Carex abrupta Louis C. Wheeler 1935-7-26 3718 Siskiyou Siskiyou Mountains. Jaynes Canyon. 1950 Comment
  HSC29660  Carex abrupta Frederick W. Oettinger, R. F. Thorne 1969-8-6 1260 Siskiyou Marble Mtn. Wilderness Area, lower pond, Tom's Lake 1951 Comment
  HSC37158  Carex angustata J. O. Sawyer 1969-7-26 1571 Siskiyou SE facing slope near S Sugar Creek 1700 Comment
  CAS-BOT-BC17963  Carex angustata William J. Ferlatte 1974-7-26 1594 Siskiyou Trinity Alps. Big Flat, near South Fork of Salmon River. Bottom of meadow west of campground. 1508 Comment
  SEINET10585659  Carex aurea A. Arthur Heller 1905-6-22 Heller 8096 Siskiyou Between Igerna and Weed. Comment
  JEPS63749  Carex bolanderi Willis L. Jepson 1894-8-4 54 a Siskiyou Cedar Spring Mt. Shasta, Cedar Spring Comment
  CAS-BOT-BC19658  Carex brainerdii John Thomas Howell 1939-8-3 15008 Siskiyou Marble Mountains. Spirit Lake. 1828 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-BC34159  Carex breweri Leo Whitney 1934-6-17 2013 Siskiyou North side of Mt. Shasta. 2895 Comment
  SEINET10648318  Carex breweri Charles F. Baker 1903-7-16 Baker 3517 Siskiyou Mount Shasta. 3170 Comment
  SEINET11630190  Carex breweri C. G. Pringle 1882-1 s.n. Siskiyou Mount Shasta 2438 Comment
  RSA237265  Carex deflexa var. boottii Frederick W. Oettinger 1969-9-4 1625 Siskiyou Franz Peak ridge near Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1982 Comment
  UC1265328  Carex echinata subsp. echinata Frederick W. Oettinger and R. F. Thorne 1969-8-7 1270 Siskiyou margin of English Lake Salmon Mts., Marble Mountain Wilderness Area, English Lake 1767 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
  CAS-BOT-BC20129  Carex feta H. A. Thomas; J. H. Thomas 1954-7-21 4417 Siskiyou Salmon-Trinity Mountains. About 6 miles SE of Cecilville. West side of Rush Creek. 1158 Comment
  CAS-BOT-BC20131  Carex feta H. M. Hall; E. B. Babcock 1903-6-1 4061 Siskiyou Sierra Nevada Mountains. Mount Shasta. Sisson. 1066 Comment
  CAS-BOT-BC20750  Carex fracta Lewis S. Rose 1936-7-29 36710 Siskiyou Shasta Springs. 762 Comment
  JEPS100914  Carex gigas Dean W. Taylor 1988-7-9 9950 Siskiyou Castle Lake region, in cirque and ridgetop above Heart Lake 1950 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
  SEINET10650717  Carex halliana A. Arthur Heller 1922-7-15 Heller 13689 Siskiyou Plentiful in wet soil in the meadow at Medicine Lake, Canadian zone. 2134 Comment
  CHSC116454  Carex hassei Julie Kierstead Nelson; Martin Lenz 2014-7-3 2014 -071 Siskiyou Headwaters of South fork Sacramento river; N edge of meadow off FS Road 40N26. 1828 Comment
  CHSC39001  Carex hoodii J. D. Jokerst 1983-7-5 1827 Siskiyou Along the upper margin of the NE corner of Atkin's Meadow. Ca 15 air miles E. of McCloud. Comment
  SEINET12578598  Carex hoodii M. L. Conrad, Dunn; Kenney 1973-6-2 6986 Siskiyou 17.4 miles northeast of Cecilville Store, on road to Callahan.; 0 2073 Comment
  UCR39770  Carex hoodii L. P. Janeway 1982-7-2 35 Siskiyou Poker Flat, end of road 18N33. At a raised drier spot in upper part of the meadow. 1524 Comment
  UC1755300  Carex inops subsp. inops Dean W. Taylor 2005-7-14 19406 Siskiyou Mount Shasta: Bear Spring, Big Canyon Creek drainage. 1533 Comment
  HSC89807  Carex laeviculmis D. K. Imper 1987-7-22 Siskiyou 8 mi. E of Somes Bar, near Jawbone Camp 1372 Comment
  CAS-BOT-BC31309  Carex lenticularis var. impressa Clare B. Hardham 1965-8-20 13011 Siskiyou Cudahy Lakes, Marble Mts. Paso Robles Comment
  CAS-BOT-BC482439  Carex lenticularis var. impressa Dana York 2010-9-11 3012 Siskiyou Six Rivers Naitonal Forest, NE slope of Broken Rib Mountain 1670 Comment
  CHSC40182  Carex lenticularis var. impressa L. P. Janeway 1982-8-13 123 Siskiyou Bench above and on ne side of Bear Cr near trail. 1615 Comment
  POM211466  Carex leporinella L. C. Wheeler 1934-8-9 3087 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 1981 Comment
  HSC96550  Carex luzulina Gordon Leppig, J. Kalt 1996-7-9 354 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  SEINET7485496 Image available Carex luzulina L. P. Janeway 4/VII/2006 8784 Siskiyou KLamath Ranges. Scott Mountains; Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. Comment
  CAS-BOT-BC31675  Carex luzulina var. ablata A. A. Heller 1920-7-6 13410 Siskiyou Metcalf's ranch, NE base of Mt. Eddy. 1158 Comment
  RSA756494  Carex luzulina var. ablata Barbara Ertter 1990-7-16 9378 Siskiyou NW side of Mount Eddy, 8 air miles SW of Weed, 1-2 miles from Parks Creek trailhead (=crest of Rt 17) along ridge 2287 Comment
  CAS-BOT-BC31781  Carex mertensii R. Tallent 1987-8-12 900 Siskiyou Klamath National Forest. Long Gulch Lake, near where creek exits lake. 1939 Comment
  CAS-BOT-BC32006  Carex multicaulis Elmer Ivan Applegate 1895-5-28 784 Siskiyou Sisson, Strawberry Valley. Comment
  HSC36157  Carex multicaulis J. P. Smith 1974-5-26 7553 Siskiyou Along FS Rd. 47N03 1524 Comment
  CAS-BOT-BC32049  Carex multicaulis Alice Eastwood; John Thomas Howell 1940-6-10 7900 Siskiyou Hatchet Mt. Comment
  SEINET7568458 Image available Carex multicaulis E. B. Copeland 1903-8-15 3780 Siskiyou Mt. Shasta. 2134 Comment
  UC1358 Image available Carex multicostata W. H. Brewer 1375 Siskiyou Mt. Shasta 2560 Comment
  CAS-BOT-BC32220  Carex multicostata Rimo Bacigalupi; Mr. VanDeventer; Mrs. VanDeventer 1959-7-10 7303 Siskiyou Meadow at Twin Valley, Siskiyou Mts. just E of Del Norte County line. 1493 Comment
  HSC100085  Carex nardina Dana York 2011-8-13 3059 Siskiyou Klamath National Forest, Slopes of Black Mountain. 2105 Comment
  CHSC39003  Carex nebrascensis J. D. Jokerst 1983-7-5 1829 b Siskiyou Atkin's Meadow. Ca 15 air miles east of McCloud. Comment
  CAS-BOT-BC119676  Carex nervina R. Tallent 1987-8-13 914 Siskiyou Klamath National Forest, Forest Rd 39N11 at Little Jackson Creek. 1739 Comment
  CAS-BOT-BC119679  Carex nervina William Bridge Cooke 1939-6-23 13547 Siskiyou Spring creeks formed by upper Wagon Camp springs in upper spring area. 1737 Comment
  HSC96545  Carex nigricans Gordon Leppig 1998-8-14 1018 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  HSC96571  Carex nigricans Gordon Leppig, J. Kalt 1996-7-9 389 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  HSC29655  Carex nigricans Frederick W. Oettinger, R. F. Thorne 1969-8-6 1261 Siskiyou Marble Mtn. Wilderness Area, W of Tom's Lower Pond 1951 Comment
  UC195508  Carex nudata Geo. D. Butler 1910-5-21 1377 Siskiyou Klamath River Comment
  CHSC48072  Carex pachystachya L. P. Janeway 1983-6-25 327 Siskiyou Seep along edge of dirt road ca 350 m N of West Branch USFS Station towards Indian Cr. 670 Comment
  HSC79087  Carex pachystachya L. P. Janeway 1983-8-26 618 Siskiyou At Poker Flat, dry W side of meadow 1524 Comment
  CHSC107112  Carex pellita R. E. Brainerd 2009-7-22 1556 Siskiyou Red Hill Meadow, east of Mt. Shasta; 4 air miles east of McCloud. UTN Zone 10 478466E 4568630N. 1036 Comment
  CAS-BOT-BC118929  Carex pellita Roxana S. Ferris; Laura Lorraine 1948-6-12 11819 Siskiyou East fork of Scott River drainiage, Parker Ranch, Plowman's (Noyes) Valley 1203 Comment
  CAS-BOT-BC118937  Carex pellita W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow. Comment
  CAS-BOT-BC118771  Carex preslii John Thomas Howell 1937-7-25 13482 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC118781  Carex preslii John Thomas Howell 1939-8-9 15203 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  POM254882  Carex preslii J. T. Howell 1939-8-8 15157 Siskiyou Marble Mountains: Black Mountain Comment
  HSC29651  Carex rossii Frederick W. Oettinger, R. F. Thorne 1969-8-6 1227 Siskiyou Marble Mtn. Wilderness Area, SE of Pine Lake 1905 Comment
  HSC86446  Carex rossii D. K. Imper 1987-7-22 Siskiyou 8 mi. E of Somes Bar, near Haypress Meadows 1372 Comment
  HSC61816  Carex rostrata Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  HSC89804  Carex rostrata D. K. Imper 1987-7-22 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  CHSC63523  Carex scabriuscula Vernon H. Oswald; Lowell Ahart 1994-8-1 6422 Siskiyou Gumboot Creek on the upstream side of Forest Rd. 26, ca. 0.5 mi (air) NE of Gumboot Lake, W. of Mt. Shasta (city). 1783 Comment
  HSC49934  Carex scabriuscula Gilbert Muth 1978-8-4 7589 Siskiyou Near Big Carmen Lake, close to the town of Callahan 1707 Comment
  HSC76822  Carex scabriuscula L. P. Janeway 1982-9-3 185 Siskiyou At Little Carmen Lake, NW of Scott Mtn., 1 m from NW edge 1768 Comment
  SEINET7574453 Image available Carex scabriuscula L. P. Janeway 2006-7-4 8789 Siskiyou Scott Mountain 7.5' quad. Klamath Ranges, Scott Mountains, Darlingtonia fen and creek let complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  HSC103365  Carex scabriuscula Thomas W. Nelson, Jane Nelson 1982-7-16 7233 Siskiyou Along west side of Forest Service Rd. 42N17, at summit above Deadfall Meadow, near crossing of Pacific Crest Trail. (Siskiyou-Trinity county line) 2073 Comment
  HSC30527  Carex scopulorum Frederick W. Oettinger 1969-9-4 1649 Siskiyou Marble Mtn. Wilderness Area, Tobacco Lake 1890 Comment
  SEINET7575051 Image available Carex scopulorum var. bracteosa Ray Tallent 1987-8-12 906 Siskiyou Klamath National Forest, Long Gulch Lake. 1939 Comment
  CAS-BOT-BC117530  Carex serratodens M. A. Berry 1957-7-4 s.n. Siskiyou High CCC Road, S of Hwy 96, between Ridge and Humbug roads. 1371 Comment
  CAS-BOT-BC117245  Carex spectabilis Paul Clifford Hutchison 1962-8-2 931 Siskiyou Mt. Shasta between Panther Meadow and top of ski lift. 2743 Comment
  JEPS84069  Carex spectabilis L. R. Heckard with J. Hickman et al. 1986-7-17 6527 Siskiyou above and s Alex Hole (n of Hwy. 96); Buckhorn Campground Comment
  HSC30524  Carex spectabilis Frederick W. Oettinger 1968-9-4 700 Siskiyou Marble Mtn. Wilderness Area, slope SE of Abbott's Lake 1723 Comment
  HSC30702  Carex spectabilis Frederick W. Oettinger 1969-8-19 1439 Siskiyou Marble Mtn. Wilderness Area, SW of Arrow Peak and N of English Peak 1936 Comment
  POM254192  Carex spectabilis J. T. Howell 1939-8-9 15226 Siskiyou Marble Mts, Ridge S of Marble Valley Comment
  RSA142678  Carex spectabilis Phillip A. Munz 1960-8-22 24177 Siskiyou Panther Meadows, Mt. Shasta. 2317 Comment
  CAS-BOT-BC117343  Carex stipata A. A. Heller 1925-7-13 13879 Siskiyou State Teachers ground near the town of Mt. Shasta. Comment
  SEINET10747930  Carex stipata A. Arthur Heller 1925-7-13 Heller 13897 Siskiyou In wet soil in shade at the State Teachers College near the town of Mt. Shasta in the yellow pine belt. Comment
  HSC39377  Carex straminiformis J. O. Sawyer 1969-8-5 1761 Siskiyou W of Little Duck Lake 2073 Comment
  JEPS84065  Carex subfusca L. R. Heckard with J. Hickman et al. 1986-7-17 6526 Siskiyou Oak Knoll Road to Condrey Mt. (near small Dry Lake, n of Hwy. 96 (Walker)) Comment
  CAS-BOT-BC115845  Carex subfusca William Bridge Cooke 1938-8-22 11340 Siskiyou Sisson Southern Trail. 1828 Comment
  CAS-BOT-BC115851  Carex subfusca William Bridge Cooke 1940-7-5 15272 Siskiyou In the sedge swamp at Wagon Camp. 1737 Comment
  SEINET7577153 Image available Carex subfusca Frederick W. Oettinger 1969-8-10 1464 Siskiyou Plants of the Salmon Mountains. Between King David Peak and Abbotts Basin. 1859 Comment
  UC835109  Carex utriculata John Thomas Howell 1939-8-9 15197 Siskiyou Sky High Valley Marble Mts. 1828 Comment
  CAS-BOT-BC115168  Carex vesicaria R. Tallent 1987-8-12 897 a Siskiyou Klamath National Forest. Long Gulch Lake. 1939 Comment
  CHSC40129  Carex vesicaria L. P. Janeway 1982-8-15 149 Siskiyou On w side of Echo Lake. 1676 Comment
  SEINET7579987 Image available Carex vesicaria Ray Tallent 1987-8-12 897 a Siskiyou Klamath National Forest, Long Gulch Lake. 1939 Comment
  CAS-BOT-BC114817  Carex whitneyi J. Major 1961-7-14 645 Siskiyou In Mud Creek, Mount Shasta. 1706 Comment
  HSC76913  Castilleja applegatei K. T. Stillman 1976-6-26 125 Siskiyou Marble Mountain Wilderness Area; Top of pass from Bear Valley 2012 Comment
  SEINET11262566  Castilleja applegatei James P. Smith 1974-5-27 7610 Siskiyou Copco Quad. Along Forest Service Road 47NO3.; 0 1280 Comment
  CAS-BOT-BC241141  Castilleja applegatei subsp. pinetorum J. H. Chastain 1917-6-1 s.n. Siskiyou North fork of Trinity River Comment
  JEPS19690  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with L. Constance and L. Heckard 1957-6-26 5960 Siskiyou immediately s Mt. Eddy (at source of South Fork of the Sacramento River, along very poor mountain road to Gumboot Lake, sw corner of Siskiyou County); Canyon of the South Fork of the Sacramento River 1645 Comment
  JEPS46076  Castilleja applegatei subsp. pinetorum L. R. Heckard and R. Bacigalupi 1966-6-13 1522 Siskiyou about 1 mi ne Bolam (near Bolam logging road on n side of Mt. Shasta) 1432 Comment
  POM298035  Castilleja applegatei subsp. pinetorum A. A. Heller 1916-6-20 12398 Siskiyou Metcalfe Ranch, n.e. of Mt. Eddy. 1189 Comment
  UC885411  Castilleja applegatei subsp. pinetorum A. A. Heller 1916-6-20 12398 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 Comment
  CHSC1701  Castilleja arachnoidea K. Jaekel 1939-7-8 Siskiyou Panther Meadows, Mt. Shasta. 2316 Comment
  HSC97800  Castilleja arachnoidea Thomas W. Nelson, Shauna Hee 2006-8-4 9475 Siskiyou Scott Mtn. Pass, along ridge between Carmen Lake, Hwy. 3, ridge S of junction of FS Rds. 40N08 and 44N44 1671 Comment
  JEPS3786  Castilleja arachnoidea Geo. D. Butler 1910-7-9 1712 Siskiyou Marble Mt. 1828 Comment
  JEPS3809  Castilleja arachnoidea Willis L. Jepson 1894-8-4 21366 Siskiyou Horse Camp Mt. Shasta Comment
  RSA153437  Castilleja arachnoidea L. T. Dempster, Clare B. Hardham 1961-7-1 1842 Siskiyou Along ridge from Condry Peak to White Mtn., about 1.5 mi. e. of White Mtn. Siskiyou Mountains; watershed between Dutch Creek (Applegate River) and Horse Creek (Klamath River). 1890 Comment
  JEPS14712  Castilleja lacera Rimo Bacigalupi with Lincoln Constance and M. Hiroe 1956-6-9 5694 Siskiyou 1.5 mi n Weed (along U.S. Highway 99); Shasta Valley Comment
  UC1094394  Castilleja lacera Rimo C. Bacigalupi with Galen Smith 1957-6-26 5939 Siskiyou ca 2 mi n Weed (along Highway 99) 1036 Comment
  CDA41242  Castilleja lacera A. & E. Hale 1984-6-1 s.n. Siskiyou Deer Meadow Road, near Yreka. 0 Comment
  CAS-BOT-BC254101  Castilleja miniata John Thomas Howell 1937-7-22 13293 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  JEPS84008  Castilleja miniata L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6310 Siskiyou from Takilma to Happy Camp (Indian Creek Road, just s of state line) Comment
  UC103511  Castilleja miniata J. W. Congdon 1900-8-13 Siskiyou base Mt. Shasta Comment
  UC618701  Castilleja miniata unknown 1938-9-8 11606 Siskiyou on talus beside Little Red Butte; Mount Shasta Comment
  CAS-BOT-BC252478  Castilleja miniata A. A. Heller 1914-8-26 11716 Siskiyou Deetz Station near Black Butte 1158 Comment
  LA209238  Castilleja miniata Alice Eastwood; 1939-8-24 Siskiyou Mount Shasta, Squaw Valley Creek meadows 2438 Comment
  RSA183418  Castilleja miniata J. M. Tucker 1963-8-17 3740 Siskiyou Red Rock Creek, in vicinity of cabin. Lower Red Rock Valley, Marble Mountain Wilderness Area. 1494 Comment
  HSC19020  Castilleja pruinosa J. O. Sawyer 1969-7-25 1538 Siskiyou SW facing upper slope above Sugar Lake 2210 Comment
  UC1409379  Castilleja pruinosa Frederick W. Oettinger 1968-8-2 368 Siskiyou ne of Diamond Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, English P 2087 Comment
  UC705754  Castilleja pruinosa Marion Ownbey, Fred G. Meyer 1940-7-7 2218 Siskiyou Summit of Cayenne Ridge; Marble Mountain Comment
  JEPS60245  Castilleja pruinosa L. R. Heckard with R. Ornduff 1969-6-24 2310 Siskiyou just w road fork to Copco Lake (along Klamath River); Klamath River Comment
  POM42908  Castilleja pruinosa Geo. D. Butler 1910-5-23 1388 Siskiyou Humbug Mtn. 1220 Comment
  CAS-BOT-BC241088  Castilleja schizotricha John Thomas Howell 1939-8-8 15182 Siskiyou Black Mts., Marble Mts. Comment
  HSC63289  Castilleja schizotricha M. A. Baker 1979-7-30 1074 Siskiyou Summit of Marble Gap 2300 Comment
  JEPS79523  Castilleja tenuis L. R. Heckard 1980-7-12 5406 Siskiyou ca 10 air mi ne Weed (meadow border at sw end of Grass Lake, ne of state highway maintenance station); Grass Lake Comment
  UC338006  Ceanothus cordulatus Lemmon 1889-6-28 Siskiyou near Mt. Eddy; Shasta region 1828 Comment
  CAS-BOT-BC49192  Ceanothus cuneatus Doris K. Kildale 1929-7-20 8545 Siskiyou Trail to Preston Peak along South Fork Indian Creek 2133 Comment
  CAS-BOT-BC49194  Ceanothus cuneatus Roxana S. Ferris; Laura Lorraine 1948-6-12 11812 Siskiyou At Mule Creek crossing of Scott Mountain Road 1524 Comment
  CAS-BOT-BC63650  Ceanothus integerrimus John Thomas Howell 1934-7-4 12393 Siskiyou SE. corner of Siskiyou Co. Comment
  HSC100194  Ceanothus integerrimus J. P. Smith, & J. O. Sawyer 2011-9-5 13417 Siskiyou Along Klamath National Forest Road 45N28. 1378 Comment
  JEPS42444  Ceanothus integerrimus Geo. D. Butler 1908-6-22 411 Siskiyou near Yreka (Butler Ranch) Comment
  JEPS42461  Ceanothus integerrimus W. L. Jepson 1902-7-17 2063 A Siskiyou Devil's Backbone 1828 Comment
  UC164401  Ceanothus integerrimus Geo. D. Butler 1909-5-31 769 Siskiyou Humbug Mountain Comment
  POM85993  Ceanothus integerrimus var. macrothyrsus Geo. D. Butler 1910-5-21 1381 Siskiyou Klamath hills Comment
  RSA14414  Ceanothus prostratus Elmer I. Applegate 1929-6-18 5740 Siskiyou [No location data on label] Comment
  RSA60713  Ceanothus prostratus I. L. Wiggins 1950-5-28 12364 Siskiyou Margins of Carmen Lake, ca. 1.5 miles E of Scott Mtn road. 1738 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
  JEPS42293  Ceanothus sanguineus Duncan Dunning 1922-6-5 Siskiyou Moffitt Creek 1066 Comment
  RSA398976  Ceanothus velutinus H. E. McMinn 1931-6-27 2519 Siskiyou Shasta City. Comment
  CAS-BOT-BC52810  Ceanothus velutinus var. velutinus Gilbert Muth 1965-7-30 s.n. Siskiyou Marble Valley and Marble Rim Comment
  OBI53784  Centaurea cyanus David J. Keil 1992-7-20 23474 Siskiyou W side of Scott Valley, 3.8 mi S of Fort Jones along Calif rte 3 875 Comment
  OBI56382  Centaurea diffusa Paul McCanna 1999-7-20 PDR 1128385 Siskiyou Vicinity of Yreka. T45N, R7w, Sect 21 BM: M Comment
  UCD98003  Cerastium dichotomum T. C. Fuller 1962-6-12 8969 Siskiyou B. M. Long prop., Little Shasta Road, 5 miles east of Montague. Comment
  UC165260  Cercocarpus betuloides var. betuloides Geo. D. Butler 1909-4-26 672 Siskiyou Oro Fino Comment
  CAS-BOT-BC148517  Cercocarpus ledifolius var. ledifolius J. H. Chastain 1917-6-1 s.n. Siskiyou North fork of Trinity River Comment
  CAS-BOT-BC276767  Chaenactis douglasii var. douglasii Alice Eastwood 1921-7-25 10816 Siskiyou Bigelows, McCloud River Comment
  HSC92684  Chaenactis douglasii var. douglasii Jennifer Whipple 1976-7-14 1471 Siskiyou SE slope of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  UC54083  Chaenactis douglasii var. douglasii H. M. Hall and E. B. Babcock 1903-6-1 4117 Siskiyou Mount Shasta, at n base Sierra Nevada Mountains, Mount Shasta 1524 Comment
  CAS-BOT-BC276744  Chaenactis douglasii var. douglasii Ynez Whilton Winblad 1941-7-1 s.n. Siskiyou Between Weed and Dunsmuir Comment
  CAS-BOT-BC276770  Chaenactis douglasii var. douglasii L. E. Smith 1913-7-12 461 Siskiyou Igerna Comment
  POM351689  Chaenactis douglasii var. douglasii E. E. Stanford 1930-6-15 1592 Siskiyou Near Shasta City Comment
  RSA238764  Chaenactis douglasii var. douglasii Frederick W. Oettinger 1968-8-16 529 Siskiyou near the summit of 'Little Medicine Mt.' adjacent to Red Fir Forest, north of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  UC1718090  Chaenactis suffrutescens John S. Mooring 1962-6-16 s.n. Siskiyou Greenview, at dead end of Main Street Comment
  RSA11887  Chamaebatiaria millefolium Elmer I. Applegate 1932-6-13 7240 Siskiyou Captain Jack's Stronghold, Modoc Lava Beds Comment
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Feb 10 2013
  SBBG29101  Chamaebatiaria millefolium J. W. Thompson 1936-7-8 13151 Siskiyou lava slopes of Lava Beds Nat Monument Comment
  HSC19311  Chamaecyparis lawsoniana J. O. Sawyer 1968-9-11 699 Siskiyou Slopes above Twin Valley 1463 Comment
  RSA15484  Chamaesyce serpillifolia L. S. Rose 1936-7-29 36702 Siskiyou Shasta Springs. 762 Comment
  UC454600  Chamerion angustifolium subsp. circumvagum I. J. Condit 1911-7-3 Siskiyou along river Sacramento River, Shasta Retreat Comment
  JEPS25667  Chamerion latifolium Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7310 Siskiyou just e Del Norte County line (4 air-line mi nne of Preston Peak); Siskiyou Mts., Twin Valley, watershed of Indian Creek 1493 Comment
  CAS-BOT-BC68244  Cheilanthes gracillima A. A. Heller 1916-7-20 12470 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1524 Comment
  HSC69128  Cheilanthes gracillima Maralyn A. Renner 1980-8-7 2380 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  CAS-BOT-BC68207  Cheilanthes gracillima Laura M. Lathrop 1903-7-1 s.n. Siskiyou Sisson Comment
  CAS-BOT-BC68242  Cheilanthes gracillima Gilbert Muth 1965-8-6 s.n. Siskiyou Trail to backside of Blk Mt. Comment
  RSA0072902  Chenopodium chenopodioides R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39033 Siskiyou Hwy 161 at N edge of White Lake, 13.5 miles E of junction of Hwy 97 and 161. 1280 Comment
  CAS-BOT-BC451435  Chimaphila menziesii Wm. Bridge Cooke 1938-8-5 11458 Siskiyou Mount Shasta: along the Sisson Southern Trail 1828 Comment
  HSC19315  Chimaphila menziesii J. O. Sawyer 1968-7-10 503 Siskiyou On Sugar Creek just above confluence with S Sugar Creek 1707 Comment
  HSC19319  Chimaphila umbellata J. O. Sawyer 1968-9-13 716 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  UC1483532  Chimaphila umbellata John Palmer 1980-8-12 687 Siskiyou s.e. Wards Gap; Klamath Nat'l Forest, Condry Mt. Quad. 1188 Comment
  UC166577  Chimaphila umbellata Geo. D. Butler 1908-8-4 58 Siskiyou head of Shackleford Creek Comment
  CAS-BOT-BC452274  Chimaphila umbellata Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  CAS-BOT-BC452284  Chimaphila umbellata Annie M. Alexander; Louise Kellogg 1948-9-8 5598 Siskiyou Siskiyou Mountains, East side, top of grade between Sawyers Bar and Etna 1737 Comment
  SEINET12057288  Chlorogalum pomeridianum F. H. Utech 1978-7-1 78 -264 Siskiyou Klamath National Forest, Young's Valley Comment
  CAS-BOT-BC39663  Chorispora tenella T. C. Fuller 1962-5-18 8748 Siskiyou Epperson prop., 3.5 miles northwest of Gazelle. Comment
  CAS-BOT-BC252661  Chorizanthe membranacea Louis C. Wheeler 1934-6-9 2665 Siskiyou Klamath River between Dutch Creek adn Deadman Gulch, Siskiyoui Mts. 670 Comment
  CAS-BOT-BC30102  Chrysolepis L. B. Kildale 1930-6-1 9789 Siskiyou Black Bear trail to Sawyers Bar Comment
  CAS-BOT-BC36380  Chrysolepis chrysophylla W. R. Dudley 1907-8-25 s.n. Siskiyou Salmon Mountains Comment
  RSA604378  Chrysolepis chrysophylla Louis C. Wheeler 1959-7-25 7597 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  CAS-BOT-BC36236  Chrysolepis sempervirens Wm. Bridge Cooke 1938-6-22 11330 Siskiyou Sisson Southern Trail, Mount Shasta 1371 Comment
  HSC45030  Chrysolepis sempervirens Maralyn O'Meara 1974-5-25 399 Siskiyou Along road to Duck Lakes trail 1402 Comment
  RSA237811  Chrysolepis sempervirens Frederick W. Oettinger 1968-8-22 589 Siskiyou On n.e. face of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  CAS-BOT-BC100855  Chrysothamnus viscidiflorus subsp. viscidiflorus S. F. Blake 1941-8-22 16205 Siskiyou in the Lava Park above Hotlum Station, north side of Mt. Shasta 1676 Comment
  SEINET2030003 Image available Chrysothamnus viscidiflorus subsp. viscidiflorus Lewis S. Rose 1941-8-28 41427 Siskiyou Dorris 1292 Comment
  CAS-BOT-BC520386  Cinna latifolia Dana York 2011-9-8 3082 Siskiyou Klamath National Forest, Marble Mountain Wildernesss, along PCT ca 650 m SE of Paradise Lake 1950 Comment
  HSC16252  Circaea alpina subsp. pacifica Dorothy Parker 1949-6-26 Siskiyou Salmon Mtn. Range, Etna Creek 1177 Comment
  RSA105485  Circaea alpina subsp. pacifica Douglas Barbe 1955-6-30 61 Siskiyou 1.0 mile NW of Forest Camp, Etna. Along Johnson Creek. 945 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
  CAS-BOT-BC105781  Cirsium ciliolatum T. C. Fuller; D. M. Shaw 1977-8-30 20220 Siskiyou South side of Willow Creek road, west slope of Willow Creek Mtn., 21 km. northeast of Montague 1370 Comment
  UC1211912  Cirsium cymosum var. cymosum Roy L. Taylor 1960-6-12 4445 Siskiyou 1 mi w junction of Hwy 96 and Hwy 99 (n of Yreka); Klamath River Comment
  RSA0070614  Cirsium douglasii var. breweri A. A. Heller 1927-8-1 14437 Siskiyou Near Deetz, just north of Shasta City. Comment
  CAS-BOT-BC285553  Cirsium occidentale var. candidissimum Louis C. Wheeler 1934-7-16 2908 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  CAS-BOT-BC285552  Cirsium occidentale var. candidissimum Alice Eastwood 1912-7-23 1357 Siskiyou Sisson Comment
  CAS-BOT-BC286468  Cirsium scariosum John Thomas Howell 1952-6-14 28334 Siskiyou Gazelle Comment
  CDA7429  Cirsium vulgare T. C. Fuller 1962-8-3 9501 Siskiyou Siskiyou Mountains: 200 yards up Raggedass Gulch, east of Beaver Creek, 5 miles north of the Klamath River. 0 Comment
  CAS-BOT-BC164164  Clarkia concinna L. B. Kildale 1930-6-1 9717 Siskiyou Salmon River between Oak Bottom and Somes Bar 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
  SBBG30604  Clarkia purpurea subsp. quadrivulnera D. Myrick 1968-6-22 1994 Siskiyou Lava Beds Nat Monument 1371 Comment
  HSC64529  Clarkia purpurea subsp. quadrivulnera J. P. Smith, Steve Selva 1970-6-16 4082 Siskiyou Idlewild Campground 808 Comment
  CAS-BOT-BC164974  Clarkia rhomboidea Doris K. Kildale 1930-6-1 9707 Siskiyou Salmon River between Somes Bar and Forks of Salmon 365 Comment
  HSC68566  Clarkia rhomboidea Maralyn A. Renner 1980-6-7 779 Siskiyou N of Greenhorn Rd. 1098 Comment
  SBBG15753  Clarkia rhomboidea D. Myrick 1961-6-20 270 Siskiyou near Mt Shasta City 1066 Comment
  RSA237655  Clarkia rhomboidea Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1212 Siskiyou Hot area near English Lake Trail above Willow Spring. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  RSA34386  Clarkia rhomboidea W. Bridge Cooke 1947-8-1 17765 Siskiyou Along the Shasta Snowline Highway, Mt. Shasta. Comment
  SFV1158  Claytonia exigua subsp. exigua J. R. Swanson 1961-3-27 670 Siskiyou 1 mile south of Fort Jones, west side of Scott Valley. Comment
  SEINET11942356  Claytonia lanceolata H. P. Chandler 1901-1 1690 Siskiyou Marble Mountain, North Coast Ranges 2286 Comment
  CHSC90514  Claytonia obovata Martin J. Lenz 2004-4-23 204 Siskiyou 1.2 air mi. SSE of Forest Mtn. Summit. UTM 10 523315 E 4611799 N. 1408 Comment
  CAS-BOT-BC439631  Claytonia parviflora subsp. parviflora John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53434 Siskiyou Along East Fork Scott River 2 miles east of Callahan on road to Gazelle 990 Comment
  JEPS43305  Claytonia parviflora subsp. parviflora Geo. D. Butler 1909-3-26 681 Siskiyou Oro Fino Comment
  RSA237269  Claytonia perfoliata Frederick W. Oettinger 1967-6-28 130 Siskiyou On Salmon River near mouth of Kelly Gulch. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 616 Comment
  UC163722  Claytonia perfoliata subsp. intermontana Geo. D. Butler 1908-8-2 66 Siskiyou Shackleford Creek Comment
  JEPS69765  Claytonia rubra W. B. and V. G. Cooke 1972-6-30 45422 Siskiyou Military Pass Road; Mt. Shasta Comment
  HSC17713  Claytonia rubra subsp. rubra R. C. Wunner 1965-6-6 138 Siskiyou Lava Beds National Monument, near top of Caldwell Butte on the NE side Comment
  JEPS24435  Claytonia saxosa Dorothy Boedecker 1941-3-6 Siskiyou e side Scott Valley 762 Comment
  CAS-BOT-BC443862  Claytonia sibirica Wm. Bridge Cooke 1938-6-24 11182 Siskiyou Mount Shasta. Bear Springs Comment
  HSC64326  Claytonia sibirica J. P. Smith, Steve Selva 1970-6-15 3958 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  SBBG30594  Claytonia sibirica D. Myrick 1968-6-25 2026 Siskiyou Adams Crk above Mountain Meadow Ranch, Big Flat, Coffee Crk; Trinity Alps 1828 Comment
  CAS-BOT-BC92767  Clematis ligusticifolia William Bridge Cooke 1940-6-20 15183 Siskiyou Above the Pacific Highway in the Klamath Gorge. 609 Comment
  JEPS60556  Clematis ligusticifolia W. L. Jepson July 1894 Siskiyou Sisson Comment
  RSA537379  Clematis ligusticifolia Walter Wisura, J. Romero 1991-10-17 4593 Siskiyou 1.5 mi up Sugar Creek Rd, N of Callahan. Comment
  UC61655  Clematis ligusticifolia Geo. B. Grant September 1902 5215 Siskiyou Mt. Shasta, Dunsmuir 609 Comment
  UC637156  Clematis ligusticifolia Edward Lee 1934-8-10 1022 Siskiyou near Hamburg (between McKinney Creek and Parkerhouse Creek, s. bank of Klamath R.); Klamath R. 609 Comment
  SEINET5337781  Clematis ligusticifolia G. Butler 1910-8-3 1810 Siskiyou Yeelan Creek. Comment
  UC1299331  Clintonia uniflora Freed W. Hoffman 1948-7-9 2569 Siskiyou 4.1 mi n of West Branch Public Camp (Waldo-Happy Camp Road); North Coast Ranges, Waldo-Happy Camp Road Comment
  UC30058  Clintonia uniflora Harley P. Chandler June, 1901 1718 Siskiyou near Marble Mountain (Shackleford Canyon); North Coast Ranges, Shackleford Canyon 2133 Comment
  UCSB23568  Clintonia uniflora Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass, north of Seiad Valley 1341 Comment
  POM109340  Clintonia uniflora Geo D. Butler 1910-6-5 1478 Siskiyou Shackleford Creek Comment
  RSA181619  Clintonia uniflora Dorothy Parker 1950-6-25 462 Siskiyou Duck Lake Creek, Salmon Mountain. 1524 Comment
  CDA7435  Cnicus benedictus C. S. Giebner 1965-9-2 Siskiyou Carl Black property, Scott Valley. 0 Comment
  CAS-BOT-BC238059  Collinsia Clare B. Hardham 1961-6-30 8121 Siskiyou Siskiyou Mountains. White Mt. Comment
  JEPS86076  Collinsia linearis Wayne Roderick 1966-6-26 Siskiyou w of Copper Butte (e along trail to Copper Butte); Cook and Green Pass area Comment
  JEPS3691  Collinsia linearis Dorothy Mrs. Warren Parker 1953-5-24 537 Siskiyou Scott River; hillside 687 Comment
  HSC41087  Collinsia parviflora J. O. Sawyer 1970-3-4 2073 Siskiyou N of Idlewild Campground. 762 Comment
  HSC99302  Collinsia parviflora G. L. Clifton 1979-7-1 6166 Siskiyou Near Poker Flat, close to the town of Happy Camp 1536 Comment
  HSC72483  Collinsia rattanii J. P. Smith 1973-5-5 6388 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  HSC91175  Collinsia rattanii Jennifer Whipple 1978-7-20 2354 Siskiyou E and S facing slopes draining into the N fork of the Sacramento River 2378 Comment
  JEPS6163  Collinsia rattanii W. L. Jepson 1937-7-30 18540 Siskiyou near Poker Flat (summit of Siskiyou Mtns); Siskiyou Mtns. 1554 Comment
  UC164472  Collinsia rattanii Geo. D. Butler 1910-4-16 1188 Siskiyou Klamath Bluffs near Yreka; Klamath Bluffs Comment
  JEPS70994  Collomia grandiflora Willis L. Jepson Jul 24 1894-Aug 10 1894 14995 Siskiyou Sisson Region of the Upper Sacramento Comment
  HSC19056  Collomia tinctoria J. O. Sawyer 1969-7-16 1148 Siskiyou W of Waterdog Lake 2073 Comment
  HSC58935  Collomia tinctoria Marvin Butler 1971-7-7 48 Siskiyou Near El Capitan Lake, close to the town of Cave Junction 1524 Comment
  HSC78207  Collomia tinctoria L. P. Janeway 1983-8-6 495 Siskiyou Poker Flat. W part of lower portion of meadow. 1529 Comment
  JEPS71071  Collomia tinctoria S. Brown July 1900 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
  UCD118258  Collomia tinctoria Herbert L. Mason 1948-7-18 13606 b Siskiyou Grass Lake. Comment
  CDA21755  Conyza canadensis T. C. Fuller 1962-8-3 9499 Siskiyou Siskiyou Mountains; 200 yards up Raggedass Gulch, east of Beaver Creek, 5 miles north of Klamath River. 0 Comment
  CAS-BOT-BC133721  Corallorhiza Mrs. Gay 1893-6-1 s.n. Siskiyou Field redacted by CAS, contact the data manager for more information Comment
  UC336582  Corallorhiza maculata unknown July 1879 Siskiyou near Shasta Comment
  UC618678  Corallorhiza maculata W. Bridge Cooke 1938-8-5 11461 Siskiyou Sisson Southern Trail Mount Shasta 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
  CAS-BOT-BC32966  Cordylanthus tenuis subsp. pallescens Francis Whittier Pennell 1940-7-18 26184 Siskiyou Route 99, 2--3 mi. N of Mount Shasta City 1158 Comment
  JEPS57500  Cordylanthus tenuis subsp. pallescens L. R. Heckard with T. I. Chuang and R. Bacigalupi 1968-8-12 2122 Siskiyou 4 mi nw of City of Mount Shasta (sw of Black Butte, along Garbage Disposal Road just off Highway 5 (old 99)); Garbage Disposal Road 1173 Comment
  CHSC105579  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-8 16255 Siskiyou On road 26 between Lake Siskiyou and Gumboot Lake, at a junction, about 3/4 mile uphill of road 40N43. Lat. and Long. indicated +/- 46 feet. 1509 Comment
  UCD123171  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-9 16291 b Siskiyou Shasta-Trinity National Forest, on Stewart Springs Road (Forest Service Road 17) 5.3 miles from the Gazelle Road. 1304 Comment
  JEPS16357  Cordylanthus tenuis subsp. viscidus Peter H. Raven 1956-9-5 10469 Siskiyou North Fork of Sacramento River 1371 Comment
  UC166603  Cornus glabrata Geo. D. Butler 1909-9-26 974 Siskiyou along creek near Yreka Comment
  UC412917  Cornus glabrata Annie M. Alexander and Louise Kellogg 1911-6-12 118 Siskiyou 6 mi. n.w. Callahan (Scott Valley); Scott Valley Comment
  CAS-BOT-BC212069  Cornus nuttallii Elmer I. Applegate 1895-5-29 224 Siskiyou Sisson, west base of Mount Shasta Comment
  UC1584283  Cornus nuttallii Julie Kierstead 1990-4-18 90 -13 Siskiyou F.S. Rd. #39N55 along Dead Horse Canyon; Shasta-Trinity Nat'l Forest, McCloud R.D., Dead Horse Canyon 1432 Comment
  CAS-BOT-BC210395  Cornus sericea Doris K. Kildale 1929-7-20 8747 Siskiyou Elk Lick, south fork Indian Creek 1219 Comment
  CAS-BOT-BC210416  Cornus sericea Alice Eastwood 1912-7-21 1272 Siskiyou Sisson Comment
  JEPS50179  Cornus sericea subsp. sericea Geo. D. Butler 1908-8-7 84 Siskiyou border of lake at head of Wooly Creek 1676 Comment
  UC375260  Corylus californica Geo. D. Butler 1908-7-12 1073 Siskiyou near Yreka Comment
  CAS-BOT-BC180200  Corylus cornuta subsp. californica Alice Eastwood 1923-5-29 12005 Siskiyou Cantara Comment
  UCD110062  Corylus cornuta subsp. californica B. Crampton 1956-8-21 3848 Siskiyou Canyon of the Sacramento River just above the junction of the North Fork with the Middle and South Forks. 1066 Comment
  RSA759839  Corylus cornuta var. californica R. F. Thorne 1969-8-2 63399 -a Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak 1159 Comment
  HSC67831  Crepis acuminata J. O. Sawyer, J. Cole 1980-7-22 3935 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  UC163909  Crepis bakeri subsp. bakeri Geo. D. Butler 1910-5-10 1328 Siskiyou Goosenest foothills 1524 Comment
  UC429491  Crepis monticola Morris Halperin 1930-5-17 Siskiyou around Yreka (Geo. Gray of Yreka, prop. of ranch); Schulmeyer Gulch Comment
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May 9 2008
  POM33150  Crepis monticola Geo. D. Butler 1909-5-30 750 Siskiyou Near Yreka. Comment
  UC165408  Crepis occidentalis Geo. D. Butler 1910-5-19 1365 Siskiyou Yreka Comment
  CDA4448  Crepis occidentalis T. C. Fuller 1958-6-19 1824 Siskiyou South of road to Montague, 1.5 miles east of Yreka. 0 Comment
  HSC29230  Crepis occidentalis subsp. conjuncta Frederick W. Oettinger 1969-7-13 1031 Siskiyou Salmon Mtns.; between English Peak and 'Bear Meadow Comment
  UC581287  Crepis occidentalis subsp. pumila G. L. Stebbins Jr. and E. B. Babcock 1936-6-11 1939 Siskiyou old river terrace about 8 mi s Yreka 1180 Comment
  CAS-BOT-BC290861  Crepis pleurocarpa P. M. Peterson; J. M. Saarela; C. J. Sears 2006-8-9 19779 Siskiyou Pacific Crest Trail, above Taylor Lake, Russian Wilderness 2145 Comment
  UC1934614  Crepis pleurocarpa P. M. Peterson, J. M. Saarela & C. J. Sears 2006-8-9 19779 Siskiyou Pacific Crest Trail, above Taylor Lake, Russian Wilderness 653 Comment
  CDA34521  Crocidium multicaule B. Villegas, Jodi Aceves 2011-5-24 s.n. Siskiyou Klamath National Forest, USFS Road 45N01 off USFS Road 45N11Y. 0 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
  HSC39750  Crocidium multicaule J. O. Sawyer 1970-4-4 2084 Siskiyou Along Sugar Creek 823 Comment
  UCD59926  Crypsis schoenoides Reino Alava; Aloha Alava, Rimo Bacigalupi 1958-9-2 2395 Siskiyou 3 miles northwest of Weed, head of Shasta Valley. 975 Comment
  JEPS87644  Cryptantha ambigua Vernon H. Oswald and Lowell Ahart 1994-8-10 6455 Siskiyou ca 4.5 mi (air) ne McCloud (Pilgrim Creek Rd (FS13), just e of Mud Creek, 2.7 mi n of Hwy 89) 1097 Comment
  CDA40516  Cryptantha flaccida L. Ahart, John Dittes 2005-6-9 12022 Siskiyou About 350 yards east of where cattle water in the Shasta River, about 3/5 mil (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. Comment
  UC536684  Cryptantha intermedia D. H. Johnson and F. G. Palmer 1935-5-16 Siskiyou 11 mi ne of Weed 1097 Comment
  JEPS101588  Cryptantha milobakeri Dean W. Taylor 1999-6-9 17235 Siskiyou Agate Flat, 0.3 mi S of Oregon Sate Line 1005 Comment
  CAS-BOT-BC278776  Cryptantha subretusa R. C. Wenk 2005-7-19 334 Siskiyou Along Pacific Crest Trail, near top of pass below Mt. Eddy 2438 Comment
  HSC49928  Cryptantha subretusa Gilbert Muth 1978-8-2 6760 Siskiyou Near S China Mtn. close to the town of Cassel 2439 Comment
  SDSU20238  Cryptantha subretusa Ronald B. Kelley 2005-9-5 962 Siskiyou On south-southwest facing slope of Mt. Eddy on unofficial peak trail, on upslope side of trail. 2560 Comment
  HSC82223  Cryptantha torreyana Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4544 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  POM72148  Cryptantha torreyana Geo. D. Butler 1910-5-8 1310 Siskiyou Near Yreka. 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
  CAS-BOT-BC70479  Cryptogramma acrostichoides Doris K. Kildale 1929-7-20 8578 Siskiyou south east spur Preston Peak 1950 Comment
  HSC99673  Cryptogramma acrostichoides J. O. Sawyer 1969-6-13 952 Siskiyou Slope above Little Duck Lake 2134 Comment
  RSA142696  Cupressus bakeri Al Hobart 1961-7-13 4 Siskiyou Mt. Preston 2134 Comment
  RSA352345  Cupressus bakeri C. B. Wolf, ER Johnson 1934-10-8 6166 Siskiyou Modoc Lava Beds, 1 mile NE of Timbered Crater on old Stage road from Dana to Little Hot Springs Valley 1220 Comment
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Mar 29 2012
  RSA28202  Cupressus bakeri W. L. Jepson 1914-8-11 5764 Siskiyou Lava Beds 1037 Comment
  RSA50554  Cupressus bakeri C. B. Wolf 1944-10-29 11479 Siskiyou NE side Goose Nest Mt., about 1 mile south of Goose Nest Road #1 leading off the Montague to Mt. Hebron road 1677 Comment
  UC60899  Cupressus lawsoniana W. A. Setchell, C. C. Dobie 1902-7-1 Siskiyou near Suies (Sisson); Mount Shasta, Sacramento Canyon Comment
  NY643283  Cuscuta approximata H. E. Brown 1897-7-1 492 Siskiyou Collected South side Mt. Shasta 1524.0 Comment
  RSA625529  Cuscuta occidentalis L. C. Wheeler 1963-8-25 8268 Siskiyou South side of Preston Peak: Rattlesnake Meadow. Comment
  UC879584  Cuscuta suksdorfii Louis C. Wheeler 1934-7-31 3011 Siskiyou 1 mi e Dry Lake Lookout; Siskiyou Mts. 1828 Comment
  RSA70993  Cuscuta suksdorfii var. subpedicellata L. C. Wheeler 1934-7-31 3011 Siskiyou 1 mi. E Dry Lake Lookout. 1829 Comment
  HSC19016  Cynoglossum occidentale J. O. Sawyer 1969-7-26 1583 Siskiyou SE facing slope near Sugar Creek 1700 Comment
  CAS-BOT-BC114146  Cyperus squarrosus Alice Eastwood 1921-7-25 10848 Siskiyou Bigelows, McCloud River. Comment
  UC1755212  Cypripedium californicum Dean William Taylor 1972-7-3 1605 Siskiyou At Cook and Green Pass, in White Fir Forest 1371 Comment
  UC14958  Cypripedium californicum W. C. Blasdale July, 1899 1077 b Siskiyou from summit of Siskiyous to Waldo, Oregon Comment
  UC13515  Cypripedium montanum F. P. McLean June, 1875 Siskiyou ravine Wicks Ranch Comment
  CAS-BOT-BC70708  Cystopteris fragilis John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53437 Siskiyou along East Fork Scott River 2 miles east of Callahan on road to Gazelle 990 Comment
  CDA18395  Cystopteris fragilis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2767 Siskiyou Klamath Ranges; North side of the river, north side of road 2 miles (3.2 km) east of Callahan at Hwy 3 bridge over the East Fork Scott River. 987 Comment
  CHSC4378  Dactylis glomerata M. M. Gregg 1966-5-14 151 Siskiyou 4 mi sw of Etna. McConnahue Gulch. In a Mrs. Parkers driveway. Comment
  CHSC49467  Damasonium californicum Vernon Oswald 1986-5-29 2070 Siskiyou Hwy 97 between Dorris and Macdoel, 46.3 mi ne of Weed. 1219 Comment
  CAS-BOT-BC192261  Danthonia californica A. A. Heller 1915-7-18 12113 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1249 Comment
  UC1025011  Danthonia californica Leo Whitney 1935-7-15 3482 Siskiyou 2 mi se Medicine Lake; Bullseye Lake Comment
  UCD60495  Danthonia californica Beecher Crampton 1956-8-21 3807 Siskiyou South slope of Gumboot Lake, headwater of the south Fork of the Sacramento River, ca. 15-16 miles southwest of Mt. Shasta City. 1920 Comment
  UC1265437  Danthonia intermedia Frederick W. Oettinger 1968-8-4 762 Siskiyou Tobacco Lake Salmon Mountains, Marble Mountain Wilderness Area (upper meadow, w Siskiyou Co., high lake basins in vicinity of English Peak) 1889 Comment
  CHSC95121  Darlingtonia californica L. P. Janeway 2006-7-4 8780 Siskiyou Klamath Ranges. Scott Mountains; Darlingtonia fe ... Field redacted by CHSC, contact the data manager for more information 1728 Comment
  UCD168824  Darlingtonia californica Barry Rice 2015-9-6 BR 150905 Siskiyou Tamarack flats. 1870 Comment
  UCD168830  Darlingtonia californica Barry Rice 2015-8-15 BR 150805 Siskiyou West end of Gumboot Lake. 1865 Comment
  CHSC1571  Dasiphora fruticosa V. Holt 1932-7-10 Siskiyou Mt. Eddy. 2286 Comment
  HSC58894  Dasiphora fruticosa Marvin Butler 1971-8-2 257 Siskiyou Near El Capitan, close to the town of Cave Junction 2081 Comment
  JEPS43421  Delphinium andersonii Geo. D. Butler 1909-4-14 642 Siskiyou near Yreka Comment
  RSA30376  Delphinium depauperatum Lincoln Constance, R. C. Rollins 1942-5-14 2926 Siskiyou Road to Walker Post Office, 4 miles W of Yreka. 1220 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
  JEPS25835  Delphinium glaucum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7449 Siskiyou Poker Flat Siskiyou Mts. ((about 12 airline mi nw of Happy Camp)) 1524 Comment
  CAS-BOT-BC10132  Delphinium menziesii Mrs. H. C. Cantelow 1936-5-20 1390 Siskiyou Summit of Scott Mtn. 1630 Comment
  CAS-BOT-BC9843  Delphinium nudicaule Alice Eastwood 1923-5-18 11830 Siskiyou Shasta Springs Comment
  CAS-BOT-BC116164  Delphinium nuttallianum John Thomas Howell 1937-7-24 13404 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  HSC679  Delphinium nuttallianum William J. Ferlatte 1966-6-23 150 Siskiyou Big Flat, near public camp 1524 Comment
  JEPS74467  Delphinium nuttallianum W. J. Ferlatte 1966-6-22 88 Siskiyou open meadow along river between the campground and Carter's; Trinity Alps, South Fork of Salmon River 1524 Comment
  POM99356  Delphinium nuttallianum Geo. D. Butler 1910-3-29 1142 Siskiyou Near Yuka Comment
  UCD61387  Deschampsia danthonioides R. Tofsrud 1948-8-1 Siskiyou Summit on road from Happy Camp, Siskiyou Co. to O'Brien, Oregon. Comment
  SEINET10834708  Deschampsia danthonioides A. Arthur Heller 1915-7-18 Heller 12120 Siskiyou Metcalf's ranch, base of Mt. Eddy. Douglas fir has replaces Jeffrey pine. Comment
  HSC30538  Deschampsia elongata Frederick W. Oettinger 1969-8-16 1396 Siskiyou Marble Mtn. Wilderness Area, Upper English Lake, SW of Wiregrass Meadow. 1707 Comment
  HSC65676  Deschampsia elongata Donald W. Miles 1979-7-21 20 Siskiyou Near Black Fox Mt., 20 mi. NE of McCloud, 3/4 way up Shirttail Canyon. 1585 Comment
  RSA238390  Deschampsia elongata Frederick W. Oettinger 1969-8-29 1579 Siskiyou Margin of Katherine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  UC1108538  Deschampsia elongata Ira L. Wiggins 1955-7-22 13449 Siskiyou 9.5 mi. above Cecilville; S. Fork Salmon R. 1066 Comment
  CAS-BOT-BC42970  Descurainia incisa subsp. incisa John Thomas Howell 1939-8-9 15222 Siskiyou Marble Mountains. Ridge south of Marble Valley. Comment
  UCD77603  Descurainia incisa subsp. incisa Robert E. Preston 2001-6-30 1639 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W se 1/4 of nw 1/4 Section 14 1722 Comment
  UC1034067  Descurainia sophia unknown 1941-7-11 16044 Siskiyou vicinity MacBride Springs (along the Memorial Highway); Mount Shasta Comment
  UC726511  Descurainia sophia A. A. Heller 1916-6-22 12425 Siskiyou near Sisson 1074 Comment
  UCD114790  Descurainia sophia R. N. Raynor 1940-4-11 s.n. Siskiyou Montague. Comment
  HSC67514  Dicentra formosa J. P. Smith 1973-5-5 6480 Siskiyou Along Cook and Green Pass Rd. Comment
  JEPS82680  Dicentra pauciflora Wayne Roderick 1984-6-7 Siskiyou Cabin Meadow s.w. Stewart Springs (camp site) 1798 Comment
  CAS-BOT-BC502557  Dichelostemma congestum A. M. Vollmer; L. Beane 1951-5-31 34 Siskiyou Scott Mountain Comment
  CAS-BOT-BC502224  Dichelostemma ida-maia Geo. D. Butler 1909-7-15 889 Siskiyou Salmon Range 1828 Comment
  HSC5961  Dieteria canescens var. canescens R. C. Wunner 1965-8-21 453 Siskiyou California Lava Beds National Monument; on main road at Crescent Butte 1463 Comment
  CAS-BOT-BC291001  Dieteria canescens var. shastensis Alice Eastwood 1921-7-28 10911 Siskiyou Medicine Lake Comment
  HSC92174  Dieteria canescens var. shastensis Jennifer Whipple 1976-8-20 1705 Siskiyou Summit region of Mt. Eddy 2470 Comment
  SD112556  Dieteria canescens var. shastensis Darley F. Howe 1969-8-30 4671 Siskiyou 1.3 miles south of Weed on [interstate] 5 1130 Comment
  UC1188084  Dieteria canescens var. shastensis Philip A. Munz 1960-8-22 24183 Siskiyou Panther Meadows Mt. Shasta, Panther Meadows 2529 Comment
  UC86845  Dieteria canescens var. shastensis M. K. Curran July 1887 Siskiyou Edgewood Comment
  CHSC69092  Diplacus jepsonii Vernon H. Oswald; Lowell Ahart 1997-7-28 8783 Siskiyou Forest Route 56 (42N56) 3.7 mi east of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave. 1755 Comment
  CAS-BOT-BC153304  Diplacus kelloggii R. C. Barneby 1954-5-16 11520 Siskiyou Scott River canyon 11 1/2 miles above Scott Bar 777 Comment
  CAS-BOT-BC153735  Diplacus nanus Carl B. Wolf 1934-7-5 5963 Siskiyou Siskiyou Mts., 3 6/10 mi. from Dry Lake Lookout on road to Horse Creek 1981 Comment
  JEPS19731  Dodecatheon alpinum Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5944 Siskiyou region just s Mt. Eddy (headwaters of the South Fork of the Sacramento River, southwestern end of Gumboot Lake, close to the Trinity County line); South Fork Sacramento River, Gumboot Lake, s of Mt. Eddy 1859 Comment
  UC1949326  Dodecatheon alpinum Barbara Ertter with Julie Kierstead and Jim Nelson 1990-7-15 9370 Siskiyou ca 1 mi E of Toad Lake at head of Middle Fk Sacramento River, ca 8 airmiles W of Mt Shasta City Comment
  CHSC96706  Dodecatheon jeffreyi Gordon Leppig; Jennifer Kalt 1996-7-9 353 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen. Subalpine fen in cirque west of Little Duck Lake. NAD 27 UTM Zone 10, 503813E, 4572466N. 2200 Comment
  HSC32161  Dodecatheon jeffreyi J. O. Sawyer 1970-6-17 2203 Siskiyou Little Duck Lake Creek 2012 Comment
  HSC81528  Dodecatheon jeffreyi Thomas W. Nelson, Jane P. Nelson 1980-7-20 6181 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  SEINET3163991  Dodecatheon jeffreyi G. D. Butler 1910-6-5 1522 Siskiyou Loy Lake; Shackleford Creek Comment
  HSC19083  Dodecatheon jeffreyi J. O. Sawyer 1969-6-12 940 Siskiyou On trail to Duck Lakes 1890 Comment
  HSC4469  Dodecatheon jeffreyi William J. Ferlatte 1966-6-22 72 Siskiyou Josephine Lake Basin, base of cliff 1677 Comment
  POM78431  Dodecatheon jeffreyi Geo. D. Butler 1910-6-5 1522 Siskiyou Log Lake, Shackleford Creek. 1616 Comment
  CAS-BOT-BC41756  Draba howellii John Thomas Howell 1937-7-24 13417 Siskiyou Salmon-Trinity Alps. Caribou Basin. 2286 Comment
  HSC59900  Draba howellii D. L. Goforth 1979-7-19 248 Siskiyou Trinity Alps Wilderness Area, Caribou Lakes Basin, NW of upper lake 2134 Comment
  UC1360449  Draba pterosperma Jack Major, M. Fleschner, and R. Pemble 1966-9-4 Siskiyou ne face of Marble Mountain Marble Mountains, ne face Marble Mountain 2133 Comment
  CAS-BOT-BC41417  Draba verna Louis C. Wheeler 1935-4-18 11793 Siskiyou Siskiyou Mountains. Greenhorn Creek. 1005 Comment
  JEPS60249  Draperia systyla L. R. Heckard with L. Constance and R. Ornduff 1969-6-25 2315 Siskiyou Near Fall Creek Inn along Gilman Road, between Sacramento and McCloud arms of Shasta Lake 396 Comment
  UC1094386  Draperia systyla Rimo C. Bacigalupi with Galen Smith 1957-6-26 5965 Siskiyou Ca. 4 miles SW of junction with the North Fork. Along road to Gumboot Lake, South Fork of the Sacramento River west of the town of Mount Shasta 1371 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
  HSC76652  Drymocallis lactea var. lactea K. T. Stillman 1976-7-23 299 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  CAS-BOT-BC159285  Drymocallis lactea var. lactea A. A. Heller 1922-7-14 13685 Siskiyou At the base of Little Huffman Mountain 2133 Comment
  HSC76877  Drymocallis lactea var. lactea K. T. Stillman 1976-8-8 400 Siskiyou Marble Mountain Wilderness Area. Trail to jump off to Paradise Lake. Comment
  CAS-BOT-BC158429  Drymocallis rhomboidea David D. Keck 1940-6-13 5178 Siskiyou 9 mi. S. of Macdoel, on U.S. 97 between Dorris and Weed 1465 Comment
  SEINET3871630  Dryopteris arguta J. P. Smith, Steve Selva 1970-6-14 3873 Siskiyou Road to Steinacher Creek near Somes Bar.; 0 Comment
  CAS-BOT-BC113787  Dulichium arundinaceum Wayne Roderick 1981-7-5 s.n. Siskiyou Cedar Lake Comment
  RSA365423  Eleocharis acicularis var. acicularis L. C. Wheeler 1934-6-29 2827 Siskiyou Soda Creek. Sterling Mountain. Siskiyou Mountains. 1280 Comment
  CHSC111070  Eleocharis decumbens Barbara L. Wilson 2011-8-23 16873 Siskiyou Fawn Creek meadows. 1879 Comment
  CHSC91241  Eleocharis parishii Lowell Ahart; John Dittes 2005-6-10 12096 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
  CHSC110084  Eleocharis rostellata R. E. Brainerd; B. L. Wilson 2010-8-10 1738 Siskiyou Forest Service Road 41N03; 1.5 air miles east-southeast of junction with Gazelle-Callahan Road; ca. 12 air miles west-southwest of Weed. 1591 Comment
  CAS-BOT-BC451554  Elodea canadensis Edward Lee 1934-8-12 1239 Siskiyou South side of the Klamath River near the mouth of Walker Creek (east end of Seiad Valley) 426 Comment
  RSA603996  Elymus L. C. Wheeler 1934-8-14 3132 Siskiyou White Mountains 1768 Comment
  UC1037161  Elymus X aristatus Leo Whitney 1935-7-15 3470 Siskiyou stream near Bullseye Lake (2 mi se of Medicine Lake) Comment
  UCD61427  Elymus elymoides S. S. Tillett 1956-7-11 699 Siskiyou Just N. of campground, Scott Mtn. divide 8 mi. se. of Callahan. 1630 Comment
  CAS-BOT-BC227921  Elymus elymoides A. A. Heller 1905-6-19 8071 Siskiyou Near Grenada Station Comment
  UC53735  Elymus elymoides subsp. elymoides W. L. Jepson 1895-1 Siskiyou Shasta Comment
  HSC38384  Elymus elymoides var. elymoides A. M. Montalvo, J. D. Ackerman 1974-7-2 344 Siskiyou E slope of Eddy Mtn., on rd. to Deadfall Lakes and Morgan Meadows. 1524 Comment
  HSC58859  Elymus elymoides var. elymoides Marvin Butler 1971-7-28 218 Siskiyou Near Twin Lakes, close to the town of Cave Junction. 1585 Comment
  HSC9700  Elymus glaucus L. C. Wheeler 1934-8-14 3143 Siskiyou Siskiyou Mtn., Mt. Diablo Mer., east end of White Mtn. 1768 Comment
  CAS-BOT-BC206591  Elymus glaucus subsp. glaucus John Thomas Howell 1939-8-2 14938 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC38844  Elymus multisetus J. P. Smith, Steve Selva 1970-6-15 3932 Siskiyou Between Forks of Salmon and Cecilville. Comment
  HSC103035  Elymus multisetus J. P. Smith 2014-6-7 13893 Siskiyou Etna Comment
  UC1666801  Elymus trachycaulus Geo. D. Butler 1909-6-28 850 Siskiyou along creek near Yreka Comment
  SEINET3149797  Epilobium adenocaulon G. D. Butler 1910-6-22 1598 Siskiyou Ireka Creek Comment
  POM46472  Epilobium brachycarpum Geo. D. Butler 1910-7-3 1629 Siskiyou Goosenest Foothills 1220 Comment
  RSA237392  Epilobium brachycarpum Frederick W. Oettinger 1969-8-18 1429 Siskiyou Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1791 Comment
  HSC99267  Epilobium ciliatum subsp. ciliatum J. O. Sawyer 1969-6-12 915 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  UC164409  Epilobium ciliatum subsp. glandulosum Geo. D. Butler 1908-8-7 166 Siskiyou bank of lake at head of creek West Fork of Wooley Creek Comment
  UC922406  Epilobium ciliatum subsp. glandulosum Annie M. Alexander and Louise Kellogg 1949-7-24 5869 Siskiyou near Paradise Lake; Marble Mountains 2072 Comment
  POM251083  Epilobium ciliatum subsp. glandulosum W. Bridge Cooke 1938-7-15 11192 Siskiyou Bear Springs, Mt. Shasta 1524 Comment
  JEPS38211  Epilobium densiflorum Geo. D. Butler 1908-7-26 164 Siskiyou near Yreka; Butler's Ranch Comment
  JEPS39335  Epilobium glaberrimum subsp. glaberrimum Willis L. Jepson 1894-8-4 14467 Siskiyou Mt. Shasta Region of the Upper Sacramento Comment
  POM251081  Epilobium glaberrimum subsp. glaberrimum W. Bridge Cooke 1938-7-15 11193 Siskiyou Bear Springs, Mt. Shasta 1524 Comment
  HSC91954  Epilobium hallianum Jennifer Whipple 1976-7-23 1527 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  RSA237581  Epilobium hallianum Frederick W. Oettinger 1969-8-14 1381 -a Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area 1738 Comment
  CHSC1119  Epilobium hornemannii subsp. hornemannii N. Jaekel 1939-7-8 Siskiyou Panther meadows, Mt. Shasta. 2286 Comment
  HSC22193  Epilobium hornemannii subsp. hornemannii J. O. Sawyer 1969-7-24 1496 Siskiyou SW of Sugar Lake 1890 Comment
  UCD106497  Epilobium lactiflorum Robert E. Preston 2001-7-21 1722 a Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, N slope of Rainbow Mountain. 2066 Comment
  RSA0004447  Epilobium obcordatum subsp. siskiyouense Louis C. Wheeler 1934-8-14 3135 Siskiyou North side White Mountain; Siskiyou Mountains. Mt. Diablo Mer. 1768 Comment
  UC399180  Equisetum hyemale subsp. affine Geo. D. Butler 1909-6-22 877 Siskiyou Goosenest foothills Comment
  HSC36221  Equisetum laevigatum John Rehling 1974-8-24 40 Siskiyou Along Hwy. 3, 1.5 mi. N of Fort Jones Comment
  CAS-BOT-BC204508  Eragrostis cilianensis Dorothy Parker 1948-8-24 227 Siskiyou Plowman's Valley, e. fork of Scott River 1188 Comment
  RSA105403  Eremocarpus setiger G. D. Barbe 1955-7-1 068 Siskiyou 0.5 miles east of Etna near b urned lumber mill. 854 Comment
  UC220632  Eremocarpus setiger H. E. Brown Jul 15 1897-Jul 31 1897 571 Siskiyou Mt. Shasta; s side 1524 Comment
  HSC77340  Eremogone congesta var. congesta L. P. Janeway 1983-8-13 533 Siskiyou S side and above S Fork Indian Creek 1463 Comment
  CAS-BOT-BC174270  Eremogone congesta var. subcongesta W. R. Dudley 1899-8-22 s.n. Siskiyou Top of Spur - Craggy Peak Comment
  UC1538953  Eriastrum signatum Ann Hale 1987-7-19 Siskiyou near Lake Shastina; Lake Shastina Quad., south end of Shasta Valley 883 Comment
  HSC2325  Ericameria bloomeri Geo. D. Butler 1910-8-7 1823 Siskiyou Humbug Mtns. 1220 Comment
  UC618705  Ericameria bloomeri unknown 1938-9-17 11687 Siskiyou on the slopes around Horse Camp; Mount Shasta 2438 Comment
  CAS-BOT-BC287497  Ericameria greenei Louis C. Wheeler 1934-8-24 3220 Siskiyou Trapper Creek, Klamath Forest 1859 Comment
  HSC27012  Ericameria nauseosa J. P. Smith, J. O. Sawyer 1972-9-12 5764 Siskiyou Scott Mountain; 1/2 mile east of Scott Mountain Rd. (S.R. 3) 1646 Comment
  CAS-BOT-BC299471  Ericameria nauseosa var. speciosa C. Hart Merriam 1907-9-24 s.n. Siskiyou Ager Comment
  HSC35788  Ericameria nauseosa var. speciosa J. O. Sawyer 1968-9-9 676 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  UC205549  Ericameria parryi var. latior Alice Eastwood 1912-8-30 2079 Siskiyou Mt. Eddy Comment
  CHSC36118  Erigeron K. Bridwell 1978-7-6 169 Siskiyou N slope of Sheep Mountain, ca. 10 mi e of Macdoel. 1645 Comment
  CAS-BOT-BC293378  Erigeron acris var. kamtschaticus Wm. Bridge Cooke 1939-8-24 13911 Siskiyou Mount Shasta. On the east red ridge west of and above Panther Creek Meadows Comment
  RSA14491  Erigeron aliceae Elmer I. Applegate 1923-9-7 3950 Siskiyou Doggett Ridge, Siskiyou Mts., Klamath River Watershed. Comment
  UC922286  Erigeron aliceae Annie M. Alexander and Louise Kellogg 1949-7-19 5807 Siskiyou in meadows on trail up Kelsey Cr. (Paradise Lake); Marble Mountains, , Kelsey Cr. 2072 Comment
  HSC77104  Erigeron cervinus K. T. Stillman 1976-7-31 354 Siskiyou Marble Mtn. Wilderness Area: Ridge N of jump off Comment
  JEPS104816  Erigeron cervinus Dean W. Taylor 1996-7-12 15789 Siskiyou Salmon Mountains; Patterson Creek drainage (about 5 air miles west of Etna); Klamath National Forest 1371 Comment
  CAS-BOT-BC297110  Erigeron compositus A. A. Heller 1920-7-9 13423 Siskiyou Mt. Eddy 2438 Comment
  HSC44956  Erigeron compositus J. O. Sawyer 1978-6-16 3229 Siskiyou Marble Mtn. Wilderness Area, Upper Elk Valley 1951 Comment
  HSC64663  Erigeron compositus J. O. Sawyer 1977-7-6 3029 Siskiyou South of Little Duck Lake 2134 Comment
  CAS-BOT-BC300477  Erigeron filifolius H. M. Hall; E. B. Babcock 1903-6-1 4098 Siskiyou Sierra Nevada Mountains. Mount Shasta, Little Shasta Valley 853 Comment
  UC87695  Erigeron filifolius Mrs. T. S. Brandegee 1887-7-1 Siskiyou Edgewood Comment
  UC166195  Erigeron foliosus var. confinis Geo. D. Butler 1909-7-15 949 Siskiyou Highland Mine Russian Creek, Highland Mine Comment
  HSC25661  Erigeron glacialis var. glacialis J. O. Sawyer 1969-8-4 1823 Siskiyou Above Sugar Lake 2134 Comment
  CAS-BOT-BC295394  Erigeron inornatus Copeland 1903-7-3 3531 Siskiyou Klamathon Comment
  SEINET5708484 Image available Erigeron inornatus var. inornatus Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7702 Siskiyou Scott Mtns. Collected along Road 17, 11.8 mi SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1955 Comment
  JEPS89687  Erigeron nivalis Dean Wm. Taylor, Rexford E. Palmer, Glenn L. Clifton 1987-8-9 9267 Siskiyou Medicine Lake Area, on s wall of Alcohol Crater, extreme northeastern portion of county Alcohol Crater; Medicine Lake Area, Alcohol Crater 2072 Comment
  CAS-BOT-BC300090  Erigeron philadelphicus William M. Hiesey 1947-8-23 554 a Siskiyou Beaver Creek Public Camp Ground, Klamath National Forest, 5 mi. north of the Klamath River (10 miles N.W. of Gottville) 701 Comment
  UCD132043  Erigeron philadelphicus var. philadelphicus John M. Tucker; Louis K. Mann 1963-7-4 3689 Siskiyou beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. Comment
  UC163905  Erigeron pumilus var. intermedius Geo. D. Butler 1910-6-3 1471 Siskiyou Quartz Valley Comment
  RSA0020049  Eriogonum Anthony Baniaga 2011-7-8 430 Siskiyou Klamath National Forest. Along Salmon River, on Highway 93. 694 Comment
  UCSB16523  Eriogonum compositum Breedlove, Dennis 1962-6-11 Siskiyou 7.4 miles southwest of Scott Bar 624 Comment
  HSC42984  Eriogonum compositum var. compositum J. P. Smith 1976-5-4 8667 Siskiyou SR 263 near junction with SR 96, above Shasta River 671 Comment
  CAS-BOT-BC242528  Eriogonum congdonii R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 173 Siskiyou Near Red Rock Mtn., Trinity Alps 2186 Comment
  SEINET11937883  Eriogonum congdonii Unknown 1953-1 124 Siskiyou Blue Point, Scott Mt. Public Campground, Klamath Nat'l Forest 1631 Comment
  CAS-BOT-BC33564  Eriogonum diclinum Louis Cutter Wheeler 1934-9-1 3235 Siskiyou Siskiyou Mts., Jaynes Canyon. 1950 Comment
  HSC19516  Eriogonum diclinum J. O. Sawyer 1969-7-19 1425 Siskiyou SW facing slope above Deacon Lee Trail 2180 Comment
  HSC32165  Eriogonum diclinum J. O. Sawyer 1970-7-5 2329 Siskiyou Ukanom Lake, E of Cuddiky Lakes, Plot 330 1738 Comment
  CAS-BOT-BC516180  Eriogonum douglasii var. meridionale Dana York 2011-9-8 3083 Siskiyou Marble Mountain Wilderness: Klamath National Forest, along summit of Marble Mountain, ca. 2.1 km N of Black Marble Mountain 2120 Comment
  UC1096795  Eriogonum elatum Milo S. Baker and Douglas Barbe 1955-7-4 86 Siskiyou 1.3 mi s on the Westside Rd. to Callahan Etna (near the gate, meadow on s side of road) 853 Comment
  CAS-BOT-BC33527  Eriogonum elatum var. villosum George Dexter Butler 1910-6-26 1606 Siskiyou Near Yreka Comment
  UC1035866  Eriogonum elatum var. villosum Annie M. Alexander and Louise Kellogg 1948-9-5 5582 Siskiyou South Fork Salmon River at Matthews Creek; South Fork Salmon River, Matthews Creek Comment
  HSC30482  Eriogonum lobbii Frederick W. Oettinger 1968-8-5 407 Siskiyou Marble Mtn. Wilderness Area, between English Peak and Diamond Lake 2073 Comment
  RSA46819  Eriogonum luteolum var. luteolum Doris K. Kildale 1925-9-6 1281 Siskiyou Somes Bar. Comment
  SBBG21292  Eriogonum marifolium D. Myrick 1964-7-25 960 Siskiyou above Ski Bowl Lodge, Mt Shasta 2407 Comment
  LA206881  Eriogonum marifolium Lewis S. Rose; 1937-7-25 37588 Siskiyou Mount Shasta 1767 Comment
  HSC69137  Eriogonum nudum Maralyn A. Renner 1980-8-8 2481 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  SEINET7064424  Eriogonum nudum var. nudum A. G. Vestal 1963-6-8 s.n. Siskiyou Very weedy field south of Yreka and north of Grenada on the Montague-Grenada Road. (NAD83/WGS84). UTM 10, 539777mE, 4612156mN. 229 Comment
  CAS-BOT-BC269746  Eriogonum nudum var. oblongifolium Geo. D. Butler 1908-7-28 212 Siskiyou Near Yreka Comment
  CAS-BOT-BC272484  Eriogonum nudum var. pubiflorum Geo. D. Butler 1910-6-26 1605 Siskiyou Near Yreka Comment
  HSC17330  Eriogonum nudum var. pubiflorum R. C. Wunner 1965-8-26 483 Siskiyou Lava Beds N.M., N Prefab Indian Well 1433 Comment
  HSC42998  Eriogonum nudum var. pubiflorum J. P. Smith, Steve Selva 1970-6-15 3977 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  SDSU6799  Eriogonum nudum var. pubiflorum D. F. Howe 1969-8-31 4673 Siskiyou 4.2 miles south of Yreka, on #5. 823 Comment
  POM253225  Eriogonum ovalifolium var. ovalifolium A. A. Heller 1938-7-13 15272 Siskiyou Border of meadows just south of Bray. 1402 Comment
  SEINET204352  Eriogonum ovalifolium var. purpureum Fred W. Hoffman 1948-7-12 2616 Siskiyou 2 miles west of junction of Little Shasta Road with Mt. Hebron Road. Comment
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May 8 2018
  UC1505835  Eriogonum pyrolifolium Robert T. Clausen and Harold Trapido 1940-7-27 4968 Siskiyou 3 mi nne summit of Mt. Shasta (w side of w fork of Mountainhouse Creek); So. Cascade Mts., Sacramento River Basin, Mountainhouse Cree 2438 Comment
  UC1540137  Eriogonum pyrolifolium Dean Wm. Taylor, Rexford E. Palmer 1987-8-8 9259 Siskiyou Lyons Peak Medicine Lake vocanic highland region, Lyons Peak 2407 Comment
  JEPS57226  Eriogonum strictum var. greenei L. R. Heckard 1967-8-13 1714 Siskiyou near summit; Mt. Eddy 2712 Comment
  HSC43456  Eriogonum strictum var. proliferum Jennifer Whipple 1976-8-20 1708 Siskiyou Summit region of Mt. Eddy 2591 Comment
  CAS-BOT-BC263399  Eriogonum strictum var. proliferum John Thomas Howell 1937-7-29 13676 Siskiyou North slope of Scott Mts. 1676 Comment
  SEINET11938258  Eriogonum strictum var. proliferum H. M. Hall, Babcock, E. B. 1903-1 4099 Siskiyou Mount Shatsa, Little Shasta Valley 853 Comment
  CAS-BOT-BC267945  Eriogonum umbellatum L. E. Detling 1950-6-10 6625 Siskiyou Shasta R. Canyon, nr. Dry Gulch 777 Comment
  SEINET11935780  Eriogonum umbellatum Unknown 1986-1 60335 Siskiyou Goosenest Mt., open areas in red fir forest 2249 Comment
  CAS-BOT-BC267998  Eriogonum umbellatum var. argus Doris K. Kildale 1928-7-2 5359 Siskiyou Salmon Summit, via Horn Creek trail 1981 Comment
  UC718151  Eriogonum umbellatum var. argus Carl B. Wolf 1934-7-5 5966 Siskiyou 3.6 mi on road to Horse Creek Dry Lake Lookout; Siskiyou Mts. 1981 Comment
  CHSC34257  Eriogonum umbellatum var. humistratum J. D. Jokerst; M. D. Huffine 1981-9-11 1502 Siskiyou Summit of rd 17 at the Siskiyou Trinity County line where it crosses the Pacific Crest Trail. North of the road. Comment
  RSA50190  Eriogonum umbellatum var. humistratum E. K. Balls 1949-7-8 13914 Siskiyou Trail from Scott Mountain Camp to Carmen Lake; Scott Mountain. 1753 Comment
  SEINET10919210 Image available Eriogonum umbellatum var. lautum James L. Reveal 2001-7-19 Reveal 8348 Siskiyou Scott Valley, along South Kidder Creek Road 0.5 miles west-southwest of California Highway 3, about 6.1 air miles southwest of Fort Jones and 5.7 air miles north of Etna, on gravelly soil in open grasslands. T.43N, R9W, sec. 30 NE1/4 of the NE1/4. 869 Comment
  JEPS84206  Eriogonum umbellatum var. modocense L. R. Heckard with J. Hickman et al. 1986-7-17 6496 Siskiyou ca 14.5 mi Hwy 96 (Walker) (Oak Knoll Ranger Station road to Condrey Mt.; near Dry Lake); Oak Knoll Ranger Station road 2000 Comment
  SBBG25875  Eriogonum umbellatum var. modocense D. Myrick 1966-8-7 1486 Siskiyou near Lake Josephine, Mountain Meadow Ranch, Big Flat; Trinity Alps 1828 Comment
  CAS-BOT-BC94539  Eriogonum umbellatum var. nelsoniorum R. C. Wenk 2006-7-23 530 Siskiyou Trinity Alps, Coffee Creek Road, Big Flat Meadow. Allong Yellow Rose Mine trail to Dorleska Mine. Growing on barren 2042 Comment
  RSA420576  Eriogonum umbellatum var. nelsoniorum Louis C. Wheeler 1934-7-3 2846 Siskiyou Head of Soda Crk, Sterling Mt, Siskiyou Mtns. (Mt. Diablo Mer.) 1768 Comment
  CAS-BOT-BC265198  Eriogonum umbellatum var. nevadense Frank W. Peirson 1923-7-19 3711 Siskiyou Near Bray Comment
  CAS-BOT-BC265200  Eriogonum umbellatum var. nevadense Alice Eastwood 1921-7-29 10969 Siskiyou Medicine Lake Comment
  UCD101401  Eriogonum umbellatum var. nevadense J. M. Tucker; L. K. Mann 1963-8-18 3761 Siskiyou On top of saddle, between Marble and southwest ridge of Black Mountain, Marble Mountain Wilderness Area. 2103 Comment
  POM165271  Eriogonum umbellatum var. polyanthum E. B. Copeland 1903-7-6 3496 Siskiyou Hornbrook. Comment
  POM165414  Eriogonum umbellatum var. polyanthum E. B. Copeland 1903-7-6 3496 Siskiyou Hornbrook. Comment
  OBI76912  Eriogonum vimineum Anthony Baniaga 2011-7-8 431 Siskiyou Klamath Natl Forest. Along Salmon river, on hwy 93 694 Comment
  CAS-BOT-BC262385  Eriogonum vimineum Louis C. Wheeler 1934-6-28 2811 Siskiyou Klamath National Forest. Beaver Cr. 701 Comment
  RSA65968  Eriogonum vimineum F. W. Peirson 1923-7-19 3708 Siskiyou Camp on Whitney Creek, Mt. Shasta Comment
  SEINET5332083  Eriogonum vimineum G. Butler 1910-7-31 1806 Siskiyou Summer fallow fields area, Yreka. Comment
  UCD101530  Eriogonum vimineum Robert E. Preston 1966-7-24 984 Siskiyou Shafter Campground. 1328 Comment
  CAS-BOT-BC112325  Eriophorum crinigerum William Bridge Cooke 1940-6-6 15054 Siskiyou Among rocks on the shores of Castle Lake. 1676 Comment
  HSC43860  Eriophyllum lanatum Maralyn O'Meara 1974-5-25 370 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  CAS-BOT-BC301100  Eriophyllum lanatum var. achilleoides A. A. Heller 1915-7-16 12101 a Siskiyou North side of Mt. Eddy 1371 Comment
  CAS-BOT-BC301133  Eriophyllum lanatum var. achilleoides A. A. Heller 1905-6-8 7992 Siskiyou Yreka Comment
  SFV5161  Eriophyllum lanatum var. achilleoides B. C. Templeton 1960-6-21 8528 Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  UC1034579  Eriophyllum lanatum var. achilleoides Douglas Barbe 1955-7-26 264 Siskiyou n slope Scott Mt. (Klamath Mountains); , n slope Scott Mt. 1828 Comment
  CAS-BOT-BC301449  Eriophyllum lanatum var. grandiflorum A. A. Heller 1916-6-23 12438 Siskiyou Near Black Butte north of Sisson 1127 Comment
  HSC19556  Eriophyllum lanatum var. integrifolium J. O. Sawyer 1969-7-25 1548 Siskiyou W of High Lake 2256 Comment
  CAS-BOT-BC301707  Eriophyllum lanatum var. lanceolatum Clarence R. Quick 1959-6-19 59 -13 Siskiyou 3 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  HSC76696  Eriophyllum lanatum var. lanceolatum K. T. Stillman 1976-8-7 202 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  POM30095  Eriophyllum lanatum var. lanceolatum Geo. D. Butler 1908-7-12 298 Siskiyou Humbug Mountain. 1220 Comment
  UC1313026  Eriophyllum lanatum var. lanceolatum J. M. Tucker and L. K. Mann and S. L. Holloway 1963-8-18 3751 Siskiyou Black Marble Mountain Marble Mountain Wilderness Area (sw ridge) 2133 Comment
  POM358045  Eriophyllum lanatum var. lanceolatum M. B. Dunkle 1944-6-25 9019 Siskiyou Siskiyou National Forest. 1677 Comment
  SEINET8687267 Image available Eriophyllum lanatum var. lanceolatum G. D. Butler 1910-5-23 1394 Siskiyou Humbug Mountain 1219 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
  UC375288  Eruca vesicaria subsp. sativa Geo. D. Butler 1908-7-14 1049 Siskiyou Yreka, field near Comment
  CAS-BOT-BC54576  Erysimum capitatum L. E. Smith 1914-5-21 701 Siskiyou Yreka. Comment
  CAS-BOT-BC54582  Erysimum capitatum C. L. Hitchcock; J. S. Martin 1939-7-6 5216 Siskiyou Summit Siskiyou Mountains, north of Takilma-Happy Camp Road. 1676 Comment
  CAS-BOT-BC54584  Erysimum capitatum C. L. Hitchcock; J. S. Martin 1939-7-9 5313 Siskiyou Between King's Castle and Black Mountain, west side of ridge. 1828 Comment
  JEPS53582  Erysimum capitatum var. capitatum Geo. D. Butler 1909-5-8 724 Siskiyou near Yreka Comment
  RSA530365  Erysimum capitatum var. capitatum Christopher Davidson 1975-6-5 2675 Siskiyou 2.8 mi from gate on special service rd branching SE from rd from Gazelle to Callahan 9.3 mi W of Gazelle. Klamath Nat. Forest. 1631 Comment
  CAS-BOT-BC55111  Erysimum perenne William Bridge Cooke 1938-6-24 11073 Siskiyou Mount Shasta. MacBride Spring. 1524 Comment
  UC536687  Erysimum perenne D. H. Johnson and F. G. Palmer 1935-7-2 Siskiyou 12 mi nw Happy Camp; Poker Flat 1524 Comment
  SD88545  Erythranthe guttata Darley F. Howe 1972-7-5 Siskiyou 0.6 miles south of Oregon state line on road to Happy Camp 1707 Comment
  CHSC71605  Erythranthe linearifolia Vernon H. Oswald; Lowell Ahart 1998-8-3 9419 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 41N10. 1554 Comment
  CAS-BOT-BC133271  Erythronium citrinum Elmer I. Applegate 1932-4-16 7061 Siskiyou Klamath River opposite the mouth of Doggett Creek Comment
  POM109651  Erythronium citrinum var. citrinum Geo D. Butler 1910-4-24 1239 Siskiyou Quartz Valley Comment
  RSA28196  Erythronium citrinum var. citrinum Elmer I. Applegate 1932-4-15 7059 Siskiyou Quartz Valley, near Fort Jones Comment
  JEPS82480  Erythronium grandiflorum Gilbert Muth 1966-7-8 350 Siskiyou Marble Valley Marble Mt. Wilderness Area 1792 Comment
  HSC62633  Erythronium grandiflorum subsp. grandiflorum Ruby Van Deventer 1938-6-25 Siskiyou Youngs Valley 1524 Comment
  RSA281174  Erythronium hendersonii Elmer I. Applegate 1932-4-16 7063 Siskiyou Klamath River between Hamburg and Seiad Valley Comment
  HSC68361  Eschscholzia californica J. P. Smith, Steve Selva 1970-6-16 4053 Siskiyou 7 mi. W of Etna on road to Sawyers Bar. 1280 Comment
  CAS-BOT-BC403672  Eschscholzia californica L. E. Smith 1914-6-9 715 Siskiyou Yreka Comment
  CAS-BOT-BC403683  Eschscholzia californica Elmer I. Applegate 1935-6-12 9523 Siskiyou South slope of Caldwell Butte, Lava Beds National Monument Comment
  RSA238773  Eucephalus engelmannii Frederick W. Oettinger 1968-8-16 548 Siskiyou Along trail on NW side of Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area 1936 Comment
  HSC92687  Eucephalus glabratus Jennifer Whipple 1977-8-4 2158 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2226 Comment
  HSC25665  Eucephalus ledophyllus var. ledophyllus J. O. Sawyer 1969-9-12 2010 Siskiyou Hanging valley N of Wildcat Peak 2012 Comment
  RSA105401  Euonymus occidentalis Douglas Barbe 1955-6-30 060 Siskiyou 0.8 mile NW of Forest Camp, Etna. Along Johnson Creek. 945 Comment
  UC1190257  Euonymus occidentalis var. occidentalis Ira L. Wiggins 1955-7-21 13438 Siskiyou Rush Creek Trail 2 mi. above Mt. View Ranch Comment
  UC455408  Euphorbia crenulata I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  JEPS51917  Euphorbia esula W. T. Davidson Siskiyou Fort Jones 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
  RSA0036537  Eurhynchiastrum pulchellum James R. Shevock, Ken Kellman 2012-10-6 41162 Siskiyou Above Sugar Lake accessed via trailhead off of FS road 41N14. 1821 Comment
  UC166590  Eurybia radulina Geo. D. Butler 1910-7-20 1729 Siskiyou Goosenest foothills 1524 Comment
  HSC103039  Festuca arundinacea J. P. Smith 2014-6-7 13897 Siskiyou Along State Route 3 at its junction with the East Fork of the Scott River 994 Comment
  CAS-BOT-BC283179  Festuca californica subsp. californica Roxana S. Ferris; Laura Lorraine 1948-6-12 11798 Siskiyou Scott Mountain Road south of Callahan Comment
  UCD65872  Festuca californica subsp. californica R. Tofsrud 1948-8-1 Siskiyou Near summit of road from Happy Camp to O'Brien, Oregon. 1219 Comment
  HSC64369  Festuca idahoensis Don Bateman 1980-5-20 Siskiyou 12 mi. E of Mt. Hebron 1415 Comment
  RSA13873  Festuca idahoensis L. C. Wheeler 1934-6-10 2678 Siskiyou North Hungry Creek. Siskiyou Mountains. 1311 Comment
  CDA28213  Festuca idahoensis Vernon H. Oswald & Lowell Ahart 1998-6-11 9193 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  RSA184785  Festuca idahoensis Gilbert Muth 1966-7-25 448 Siskiyou Marble Mountain lookout, Marble Mountains. 2098 Comment
  UC1034046  Festuca pratensis W. Bridge Cooke 1941-7-18 16056 Siskiyou Bear Springs Mount Shasta 1524 Comment
  RSA656724  Festuca roemeri var. klamathensis Barbara L. Wilson 1996-6-23 8177 Siskiyou Near the Klamath National Forest but in private land, on Forest service road 43N21, half mile west of intersection with Quartz Valley Road. Comment
  CAS-BOT-BC453508  Fragaria Alice Eastwood 1921-7-28 10882 Siskiyou Medicine Lake Comment
  UC154512  Fragaria vesca Harley P. Chandler Jun 1901 1558 Siskiyou near Marble Mountain (Klamath River to Marble Mountain); North Coast Ranges 1828 Comment
  CAS-BOT-BC437077  Fragaria vesca subsp. bracteata G. P. Rixford No date on label. s.n. Siskiyou Hilt Comment
  SBBG2922  Fragaria virginiana H. and M. Dearing 1938-6-28 2183 Siskiyou side of Mt Shasta rd to Wagon Camp 1524 Comment
  CAS-BOT-BC53421  Frangula californica subsp. occidentalis Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  CAS-BOT-BC59980  Frangula purshiana Louis C. Wheeler 1934-10-28 3351 Siskiyou Shasta River 2 mi. below Yreka Creek. Siskiyou Mts. 822 Comment
  CAS-BOT-BC60013  Frangula purshiana H. A. Thomas; J. H. Thomas 1954-7-22 4452 Siskiyou Salmon - Trinity Mts. about 6 mi. se. of Cecilville. Between Rush and Big Bend Creeks, 0.25-0.5 mi. n. of S. Fork of 975 Comment
  CHSC71323  Frangula rubra Vernon H. Oswald; Lowell Ahart 1998-6-11 9188 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
  CAS-BOT-BC55714  Frangula rubra subsp. obtusissima Alice Eastwood 1923-5-23 11930 Siskiyou Cantara Comment
  SEINET10495780  Frasera albicaulis David B. Dunn, Billy Joe Cox 1971-6-9 Dunn 17939 Siskiyou 9 mi N of Weed, on US Hwy 97, at Whitney Creek. Sw-facing slope; volcanic (pumice) some sedimentary loamy soil; assoc. with Pinus ponderosa, Artmisia, Bromus, and Arctostaphylos. 1250 Comment
  RSA215599  Frasera speciosa Gilbert Muth 1969-8-7 1232 Siskiyou East side of Boulder Peak Ridge. 2500 Comment
  CAS-BOT-BC223584  Fraxinus latifolia Wm. Bridge Cooke 1940-6-20 15174 Siskiyou On the banks of the Klamath River below Hornbrook Comment
  HSC36746  Fraxinus latifolia Brent Whitely 1975-6-22 25 Siskiyou 220 Comment
  POM130859  Fraxinus latifolia E. B. Copeland 1903-7-4 3559 Siskiyou Klamathon Comment
  RSA261460  Fritillaria J. M. Tucker, L. K. Mann 1963-7-7 3721 Siskiyou Ca. 1/4 mile down the trail (north of) from the lake, Paradise Lake, at the base of Kings Castle on east side, Marble Mountain Wilderness Area 1982 Comment
  UC15019  Fritillaria affinis T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou in the Scott River Valley Scott River Valley Comment
  POM109753  Fritillaria affinis Geo D. Butler 1910-4-23 1225 Siskiyou [no additional locality information] Comment
  RSA237920  Fritillaria atropurpurea Frederick W. Oettinger 1969-7-9 943 Siskiyou NW of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  HSC36945  Fritillaria pudica J. P. Smith 1974-5-26 7581 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  JEPS20034  Fritillaria pudica George D. Butler 1909-3-7 554 Siskiyou Butcher Hill near Yreka; Butcher Hill Comment
  UC1005601  Fritillaria pudica Frank W. Gould 1940-5-14 1244 Siskiyou Goosenest Mountain, Bull Meadow Bull Meadow; Goosenest Mountain, Bull Meadow 1524 Comment
  CAS-BOT-BC504469  Fritillaria recurva Wm. F. Herrin 1919-6-16 s.n. Siskiyou Shasta Springs Comment
  RSA607099  Fritillaria recurva Louis C. Wheeler 1935-4-17 3427 Siskiyou Soap Creek, Siskiyou Mountains 1037 Comment
  UCD121552  Galium ambiguum G. L. Stebbins Jr.; A. A. Beetle 1942-6-1 3270 Siskiyou 15 miles north of Happy Camp, above Indian Creek. 1219 Comment
  HSC19299  Galium bifolium J. O. Sawyer 1969-7-1 969 Siskiyou NE facing lower slope above Paynes Lake Creek 1829 Comment
  HSC43063  Galium bolanderi Ken Stillman 1976-8-31 452 Siskiyou E and N sides of Williams Point 366 Comment
  HSC35803  Galium bolanderi J. O. Sawyer 1969-6-11 814 Siskiyou Near C.C.C. road above Paynes Lake Creek 1357 Comment
  JEPS52698  Galium bolanderi G. L. Stebbins Jr. 1963-7-7 6137 Siskiyou 5 mi ne Cecilville (on road to Callahan, Shadow Creek campsite) 975 Comment
  SBBG18844  Galium bolanderi C. B. Hardham 1961-7-2 8051 Siskiyou banks of Scott River S of Steelhead Comment
  JEPS7012  Galium boreale subsp. septentrionale W. L. Jepson 1940-7-3 20109 Siskiyou large mdw. se Bartle; Big Bear Flat 1219 Comment
  HSC25488  Galium glabrescens subsp. glabrescens J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5716 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  HSC81666  Galium glabrescens subsp. glabrescens Thomas W. Nelson, Jane P. Nelson 1980-7-17 6076 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  POM367847  Galium multiflorum Louis C. Wheeler 1934-8-14 3141 Siskiyou White Mtn. Siskiyou Mtns. 1951 Comment
  JEPS100202  Galium serpenticum subsp. scotticum Dean W. Taylor 2002-6-10 18122 Siskiyou Scott Mountain, Forest Road 40N08 0.25 miles E of the junction with Highway 3 (3 miles NE from Scott Mountain summit) 1341 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
  SBBG25845  Galium triflorum D. Myrick 1966-8-10 1522 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  HSC60826  Galium triflorum Ruby Van Deventer 1962-8-15 Siskiyou Bell Echo (Bell Echo Camp); in Young's Valley 1159 Comment
  POM60669  Galium triflorum Copeland 1903-9-14 3933 Siskiyou Sisson. 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
  JEPS51841  Garrya fremontii Geo. D. Butler 1908-7-4 39 Siskiyou near Reeder's (Shasta River); Shasta River Comment
  SEINET3144594  Garrya fremontii G. D. Butler 1910-3-12 1125 Siskiyou Hill near Yreba 1067 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
  UC2028811  Gayophytum diffusum subsp. diffusum Neal Kramer 2012-7-20 2066 Siskiyou Approx. 1.5 miles west of Etna. Comment
  HSC61497  Gayophytum diffusum subsp. parviflorum Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  UC1096799  Gayophytum diffusum subsp. parviflorum Barbe 1957-7-13 378 Siskiyou Big Flat Public Camp North Bay Counties, Klamath National Forest (along path to the spring at w side of camp) 1524 Comment
  UCD103637  Gayophytum diffusum subsp. parviflorum John M. Tucker 1974-7-28 4311 Siskiyou Adjacent to camp at Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  UC873670  Gayophytum heterozygum Lewis S. Rose 1937-7-28 37599 Siskiyou Shasta Springs 914 Comment
  POM230341  Gayophytum heterozygum L. S. Rose 1937-7-28 37599 Siskiyou Shasta Springs 915 Comment
  JEPS57165  Gentiana calycosa L. R. Heckard 1967-8-12 1656 A Siskiyou ca 10 mi from U. S. Highway 99 (n of Weed, along logging road heading s of Stewart Springs) 1950 Comment
  UC1540144  Gentiana calycosa Dean Wm. Taylor and Glenn L. Clifton 1987-8-5 9228 Siskiyou Forest Road 36N06 at crossing Tate Creek; headwaters McCloud River drainage 1484 Comment
  CAS-BOT-BC123925  Gentiana newberryi Alice Eastwood 1912-8-30 2037 Siskiyou Mount Eddy Comment
  SEINET6744749 Image available Gentiana setigera C. C. Harris, S. K. Harris 1939-8-29 976 Siskiyou Half Moon Meadow, Marble Mountian Primitive Area, Calfornia Comment
  SEINET8567382  Geranium oreganum G. D. Butler 1910-6-6 1458 Siskiyou Quartz Valley. Comment
  CHSC1550  Geum macrophyllum K. Jaekel; N. Jaekel 1939-7-15 Siskiyou Mt. Shasta slope. 1097 Comment
  POM91453  Geum macrophyllum Geo. D. Butler 1910-6-5 1506 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC143590  Geum triflorum John Thomas Howell 1939-8-8 15176 Siskiyou Black Mts., Marble Mts. Comment
  HSC45986  Gilia capitata J. P. Smith, Steve Selva 1970-6-15 3947 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  HSC68529  Gilia capitata Maralyn A. Renner 1980-6-24 1048 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  RSA185783  Gilia capitata H. A. Thomas, John H. Thomas 1954-7-21 4407 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek. 1037 Comment
  RSA237947  Gilia capitata Frederick W. Oettinger 1968-8-16 536 Siskiyou Red Hill north of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2058 Comment
  HSC69134  Glyceria elata Maralyn A. Renner 1980-8-4 2230 Siskiyou Flint Valley 1390 Comment
  UCD85108  Glyceria elata AHM 1955-7-29 55 T Siskiyou Klamath National Forest. Marble Mountains. Clear Lake. 1798 Comment
  CAS-BOT-BC302665  Gnaphalium palustre Laura M. Lathrop 1903-7-10 s.n. Siskiyou Shasta Retreat Comment
  CAS-BOT-BC302678  Gnaphalium palustre Louis C. Wheeler 1934-6-10 2676 Siskiyou Klamath National Forest. Hungry Creek 1097 Comment
  RSA237526  Gnaphalium palustre Frederick W. Oettinger 1969-8-14 1368 Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1829 Comment
  HSC19394  Goodyera oblongifolia J. O. Sawyer 1968-6-18 176 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC19397  Goodyera oblongifolia J. O. Sawyer 1968-9-28 744 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  CDA3423  Gypsophila paniculata T. C. Fuller 1963-8-27 11160 Siskiyou North limits of Macdoel. 0 Comment
  SBBG15807  Hackelia californica D. Myrick 1961-6-20 284 Siskiyou Bear Springs on S slope of Mt Shasta 1676 Comment
  UCD77746  Hackelia californica Robert E. Preston 2001-6-23 1600 a Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 2011 Comment
  UCR93354  Hackelia californica Kathy Harper, D. Karr 1994-6-15 s.n. Siskiyou State Hwy 89 about 5 mi west of Bartle 1159 Comment
  HSC25411  Hackelia micrantha J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5692 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  HSC62457  Hackelia micrantha Ruby Van Deventer 1939-7-18 Siskiyou Twin Valley Comment
  UC1186469  Hackelia micrantha John H. Weiler, A. P. Nelson 1960-6-26 60223 Siskiyou 0.6 mi n of Bacon Rind Public Camp (s of Sawyers Bar) Comment
  HSC560  Hastingsia alba William J. Ferlatte 1966-8-2 230 Siskiyou Big Flat, between campground and S fork of the Salmon River 1524 Comment
  HSC77107  Hastingsia alba K. T. Stillman 1976-6-25 100 Siskiyou Marble Mtn. Wilderness Area, between Marble Gap and Elk Valley Trail Comment
  CAS-BOT-BC504604  Hastingsia alba Doris K. Kildale 1929-7-20 8589 Siskiyou Southeast spur of Preston Peak Comment
  CAS-BOT-BC504612  Hastingsia alba W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar Meadows, near McCloud Comment
  CAS-BOT-BC508651  Hastingsia alba Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. 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
  RSA760957  Hastingsia alba Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63389 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1890 Comment
  UC3686  Hastingsia alba C. B. Bradley 1879-1 Siskiyou Comment
  UCD132644  Hazardia whitneyi Joseph M. DiTomaso 1976-9-8 687 Siskiyou Trinity Alps. Sawtooth Ridge Trail above Stuarts Fork on pass. Siskiyou-Trinity county line. 2279 Comment
  CAS-BOT-BC123566  Hazardia whitneyi var. discoidea John Thomas Howell 1939-8-9 15236 Siskiyou Marble Mts. Shackleford Creek Trail south of Sky High Valley 1828 Comment
  JEPS112688  Hazardia whitneyi var. discoidea Dean W. Taylor 1999-8-12 17352 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1889 Comment
  RSA237499  Hazardia whitneyi var. discoidea Frederick W. Oettinger 1968-9-3 684 Siskiyou Above Horse's Hole near Horse Range Lake . The Salmon Mtns. High Lakes Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC69358  Helenium bigelovii Maralyn A. Renner 1980-8-21 2581 Siskiyou Kidd Creek 2043 Comment
  RSA120794  Helenium bigelovii S. S. Tillett 1956-7-11 685 Siskiyou Meadows on both sides of Scott Mtn. divide near campground. Siskiyou-Trinity county line, ca. 8 miles SE of Callahan 1616 Comment
  UC469031  Helenium bigelovii T. S. Brandegee 1892-7-1 Siskiyou Sisson Comment
  SBBG8400  Helianthella californica C. B. Hardham 1961-7-3 8069 Siskiyou S of Calahan, Scott Mtns Comment
  JEPS107102  Helianthella californica subsp. shastensis Barbara Ertter 1990-7-14 9324 Siskiyou Wagon Creek on e side of Mount Eddy, ca 4 air mi w of Mount Shasta City 1950 Comment
  CAS-BOT-BC314842  Helianthella californica var. shastensis L. E. Smith 1913-6-12 361 Siskiyou Sisson Comment
  CAS-BOT-BC314843  Helianthella californica var. shastensis Elmer I. Applegate 1896-5-29 593 Siskiyou Sacramento River below Sisson Comment
  RSA298340  Helianthus annuus subsp. lenticularis J. P. Smith, Steve Selva 1970-7-17 4426 Siskiyou Along Klamath River. Comment
  UCR80231  Helianthus bolanderi L. C. Wheeler 1934-10-6 3311 Siskiyou Shasta Valley, 2 mi. SE of Yreka 856 Comment
  CAS-BOT-BC313461  Hemizonella minima Harley P. Chandler 1901-6-1 1641 Siskiyou Marble Mountain, North Coast Ranges 2438 Comment
  CHSC30914  Hemizonella minima M. S. Taylor 1980-7-8 3113 Siskiyou On ridge s of Castle Lake, above Hearts lake. 2016 Comment
  UC1096811  Hemizonella minima Milo S. Baker 1957-6-16 13109 Siskiyou Scott Mts. Comment
  SD98879  Hemizonia congesta subsp. clevelandii Darley F. Howe 1977-7-2 4984 Siskiyou 7.0 miles west of Fort Jones, Scott River Road. 609 Comment
  HSC29475  Heracleum maximum Frederick W. Oettinger 1968-8-15 522 Siskiyou Marble Mountains Wilderness Area, High Lakes Basins, SE side of Hancock Lake along the lake trail 1936 Comment
  CHSC71302  Hesperochiron californicus Vernon H. Oswald; Lowell Ahart 1998-6-11 9203 Siskiyou Dry lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. 1402 Comment
  HSC96738  Hesperochiron californicus M. Mesler 2006-7-2 624 Siskiyou Trail to E of Boulder Lake 1829 Comment
  RSA17429  Hesperochiron californicus Elmer I. Applegate 1939-6-14 5738 Siskiyou 5 miles north of Edgewood, Shasta Valley. Comment
  JEPS32303  Hesperolinon micranthum W. L. Jepson July, 1894 13539 Siskiyou Sisson Comment
  RSA435709  Hesperolinon micranthum Louis C. Wheeler 1934-6-2 2614 Siskiyou Oak Knoll Ranger Station, Klamath River. Siskiyou Mtns. (Mt Diablo Mer.) 671 Comment
  JEPS11802  Heterocodon rariflorum W. L. Jepson Jul 1894 Siskiyou Sisson Comment
  POM59065  Heterocodon rariflorum E. B. Copeland 1903-9-6 3847 Siskiyou Igerna. 1159 Comment
  JEPS50862  Heuchera merriamii Al Hobart 1967-8-8 Siskiyou just s Youngs Valley (on El Capitan, Siskiyou Mountains, westernmost Siskiyou County); Siskiyou Mountains, El Capitan, just s of Youngs Valley 1828 Comment
  JEPS84335  Heuchera merriamii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6408 Siskiyou 5 mi n Seiad Valley (head of Hell's Canyon); Hell's Canyon 1750 Comment
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Jul 30 2009
  JEPS84339  Heuchera merriamii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6408 Siskiyou 5 mi n Seiad Valley (at head of Hell's Canyon); Hell's Canyon 1750 Comment
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Jul 30 2009
  UC609371  Heuchera merriamii Eleanor Burks 1938-8-21 918 Siskiyou Upper Wright Lake 2225 Comment
  RSA0063198  Heuchera merriamii Louis C. Wheeler 1934-8-9 3079 Siskiyou Head of Jaynes Canyon. Siskiyou Mtns. 1921 Comment
  CAS-BOT-BC420936  Heuchera micrantha var. diversifolia Marion Ownbey; Fred G. Meyer 1940-7-4 2175 Siskiyou Dry, north slope, Siskiyou Mts., northwest of Hornbrook Comment
  HSC61158  Heuchera rubescens Al Hobart 16 Jul [year missing] Siskiyou El Capitan Comment
  UC897800  Hieracium albiflorum A. A. Heller 1915-7-18 12122 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 Comment
  HSC29089  Hieracium albiflorum Frederick W. Oettinger 1968-8-12 491 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: S slope trail down to Tobacco Lake from Lily Pond 1921 Comment
  RSA120939  Hieracium albiflorum H. K. Wagnon 1957-8-11 1712 Siskiyou East slope of Mt. Shasta, along Ash Cr., ca. 1 mi N of Military Pass Rd. Comment
  RSA245213  Hieracium albiflorum Carl W. Mize 1972-6-8 7 Siskiyou Forks of Salmon quad. 320 Comment
  JEPS104845  Hieracium greenei Dean W. Taylor 1996-6-28 15754 Siskiyou Antelope Mountain (about 8 air miles south of Yreka) 1798 Comment
  UC598534  Hieracium horridum C. Hart Merriam 1898-9-23 91 Siskiyou Head of Squaw Creek Mt. Shasta, Head of Squaw Creek 2804 Comment
  CAS-BOT-BC316037  Hieracium scouleri Volney Rattan 1879-6-1 s.n. Siskiyou Unspecified Comment
  HSC27920  Holodiscus discolor Carl W. Mize 1972-9-23 121 Siskiyou 610 Comment
  HSC94  Holodiscus discolor William J. Ferlatte 1966-8-18 429 Siskiyou At the summit of Willow Cr. Trail, on an exposed ridge. Comment
  RSA449785  Holodiscus discolor M. B. Dunkle 1945-8-7 9333 Siskiyou Marble Mountains, Klamath National Forest: King's Castle Comment
  UC1281115  Holodiscus discolor H. E. McMinn 1931-6-27 2529 Siskiyou Klamath River, Clear Creek Clear Creek; Klamath River, Clear Creek Comment
  CAS-BOT-BC152376  Holodiscus discolor var. discolor Doris K. Kildale 1928-7-2 5412 Siskiyou Salmon Summit via Horse Creek Trail 1981 Comment
  CDA3418  Holosteum umbellatum J. G. Schieber 1978-5-3 Siskiyou Don Dysert ranch, Macdoel. 0 Comment
  UC116852  Horkelia daucifolia K. Brandegee July 1887 Siskiyou near Klamath River (Ager) Comment
  CAS-BOT-BC143950  Horkelia daucifolia A. A. Heller 1922-6-22 13668 Siskiyou About 5 miles south of Yreka Comment
  RSA166765  Horkelia daucifolia H. Dearing, M. Dearing 1939-6-3 s.n. Siskiyou Near Scotts Bar Comment
  UC163747  Horkelia daucifolia Geo. D. Butler 1910-7-3 1634 Siskiyou 1219 Comment
  SD215712  Horkelia fusca subsp. pseudocapitata E. K. Balls, L. W. Lenz 1956-6-18 21804 Siskiyou 1.4 miles west of Bartle (junction with road to Lava Beds), State Highway 89, McCloud to Burney 1219 Comment
  SJSU6484  Horkelia fusca var. parviflora R. W. Trivelpiece 1972-6-9 98 Siskiyou c. 4 mi E of Grass L 1524 Comment
  CAS-BOT-BC536226  Horkelia fusca var. parviflora John Thomas Howell 1937-7-21 13168 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC514281  Horkelia fusca var. pseudocapitata Wm. Bridge Cooke; V. G. Cooke 1970-7-22 42689 Siskiyou Andesite road, 0.5 mi above US-97, Mt. Shasta. 1371 Comment
  RSA47608  Horkelia tridentata subsp. flavescens Roxana S. Ferris, Laura Lorraine 1948-6-12 11792 Siskiyou Scott Mountain Road south of Callahan. Comment
  CAS-BOT-BC201129  Hosackia crassifolia A. A. Heller 1905-6-5 7972 Siskiyou Between Shasta Retreat and Shasta Springs Comment
  CHSC870  Hosackia crassifolia V. Holt 1932-6-4 Siskiyou Spring Hill near Mt. Shasta City. 1127 Comment
  CAS-BOT-BC142664  Howellanthus dalesianus Dorothy Parker 1958-6-9 649 Siskiyou summit of Scott Mt. 1630 Comment
  HSC38600  Hulsea nana J. O. Sawyer 1976-10-31 2827 Siskiyou Above timberline along Ash Creek below Wintun Glacier, E side of Mt. Shasta 3201 Comment
  JEPS34895  Hulsea nana Willis L. Jepson 1894-8-4 Siskiyou Mt. Shasta Comment
  LA203776  Hulsea nana Wm. Bridge Cooke; 1939-7-26 13769 Siskiyou Mt. Shasta, Along the Summit Trail below Lake Helen 2895 Comment
  SEINET480179  Hulsea nana D. Wilken 1972-8-6 Siskiyou Summit of Cinder Cone (Cinder Butte), about 3 miles west of Mammoth Crater Comment
  UC90395  Hulsea nana Miss Eastwood 1893-7-1 Siskiyou Mt. Shasta Comment
  HSC77016  Hydrophyllum occidentale K. T. Stillman 1976-6-25 37 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  UC1483420  Hydrophyllum occidentale Maralyn A. Renner 1980-7-23 1829 Siskiyou about 1 mi e Cook and Green Pass (Pacific Crest Trail, near ridge); Klamath National Forest, Seiad Valley Quad. 1752 Comment
  UCD119492  Hydrophyllum occidentale J. P. Smith; Steve Selva 1970-6-15 3957 Siskiyou 20 miles east of Cecilville on the road to Callahan. 1645 Comment
  UCD78092  Hypericum anagalloides Robert E. Preston 2001-6-23 1576 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  CHSC739  Hypericum formosum var. scouleri 1936-6-30 Siskiyou Mt. Shasta City. 1097 Comment
  RSA25624  Iliamna bakeri Carl B. Wolf 1941-7-26 11073 Siskiyou 10.3 miles NE of Weed along Hwy 97 915 Comment
  UC1736084 Image available Iliamna bakeri Dean W. Taylor 1996-7-25 15847 Siskiyou Crater Lake, Scott Mountains; on southwestern most switchback of jeep road to the lake reached via Forest Road 41N03; Klamath National Forest. 2118 Comment
  CAS-BOT-BC206833  Iliamna bakeri R. E. Frenkel 1964-7-13 667 Siskiyou Ca. 50 miles south of the Everitt Memorial Highway on the slopes of Mt. Shasta 1402 Comment
  HSC58931  Ipomopsis aggregata Marvin Butler 1971-8-13 126 Siskiyou Near Cyclone Gap, close to the town of Cave Junction 1555 Comment
  RSA792304  Ipomopsis aggregata Rebecca Wenk 2008-7-23 905 Siskiyou Southwest side of Mount Shasta, trail from Bunny Flat to Sierra Club Cabin above Avalanche Gulch. 2119 Comment
  UC1408777  Ipomopsis aggregata Frederick W. Oettinger and R. F. Thorne 1969-8-8 1282 Siskiyou near English Lake Salmon Mountains, Marble Mountain Wilderness Area (upper edge of Sundew Bog) 1828 Comment
  UC933392  Ipomopsis aggregata Annie M. Alexander and L. Kellogg 1948-9-9 5616 Siskiyou meadow at start of a 2 mi trail to Taylor Lake from Cook and White MIne Siskiyou Mtns 1584 Comment
  SEINET12056881  Iris macrosiphon H. P. Chandler 1901-1 1570 Siskiyou near Marble Mountain 1829 Comment
  HSC65870  Iris tenax subsp. klamathensis M. A. Baker 1980-6-20 2182 Siskiyou Near Bald Mtn. 275 Comment
  HSC67517  Iris tenuissima J. P. Smith 1976-5-5 8692 Siskiyou Road from Forks of Salmon to Somes Bar 366 Comment
  RSA135924  Iris tenuissima Lee W. Lenz 1953-5-13 18298 Siskiyou 7 miles from Happy Camp on road to Yreka 366 Comment
  CAS-BOT-BC376182  Isatis tinctoria Andrew Townesmith; Karen M. Meyer 2007-8-3 896 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along state route 96, 5.2 miles west of National Forest boundary. Vicinity of Cayuse Day Use Area 576 Comment
  RSA237966  Isoetes bolanderi Frederick W. Oettinger 1969-8-18 1418 Siskiyou W side of Horse Range Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1822 Comment
  SD230095  Isoetes occidentalis Louis C. Wheeler 1963-9-11 8385 Siskiyou Siskiyou Mountains: Dillon Creek, 3/4 mile NE of Sawtooth Mountain. 1615 Comment
  JEPS93950  Iva axillaris subsp. robustior Vernon H. Oswald and Lowell Ahart 1998-9-16 9631 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near junction of Meiss Lake-Sams Neck Road and Hwy 97); Butte Valley National Grassland 1295 Comment
  CAS-BOT-BC135375  Ivesia gordonii Alice Eastwood 1912-8-30 2028 Siskiyou Mount Eddy Comment
  CHSC31480  Ivesia pickeringii T. Spira 1979-8-15 446 Siskiyou 3.1 mi n of Shasta-Trinity county line off of Hwy 3 on n side of rd. Klamath NF/Callahan RD. 1219 Comment
  UC375240  Juglans californica var. hindsii Geo. D. Butler 1910-6-8 1545 Siskiyou Yreka Comment
  CAS-BOT-BC110017  Juncus Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mount Eddy. 1706 Comment
  CHSC91357  Juncus balticus Lowell Ahart; John Dittes 2005-6-9 12043 Siskiyou Meadow area along a small drainage, on the west side of a poor rock fence, about 280 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  UC60945  Juncus bufonius Geo. B. Grant Sep 1902 5238 Siskiyou Shasta Springs Mount Shasta 609 Comment
  POM111243  Juncus bufonius var. bufonius Geo D. Butler 1910-7-12 1742 Siskiyou Shackleford Creek. 1220 Comment
  HSC71130  Juncus confusus Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4498 Siskiyou Along W side of Hwy. 3, just N of Scott Mtn. Summit 1616 Comment
  JEPS63836  Juncus effusus subsp. pacificus W. L. Jepson 1914-8-13 6156 Siskiyou Sisson 1097 Comment
  CHSC71609  Juncus ensifolius Vernon H. Oswald; Lowell Ahart 1998-8-3 9421 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 41N10. Along a roadside drainage. 1554 Comment
  HSC61118  Juncus ensifolius Ruby Van Deventer 1955-7-31 Siskiyou FS Rd. 17N04, Doe Flat Comment
  HSC62454  Juncus ensifolius Ruby Van Deventer 1959-7-10 Siskiyou Twin Valley 1524 Comment
  JEPS63841  Juncus exiguus B. C. Goldsmith 1916-10-10 36 Siskiyou Widow Creek Mt. Shasta 1341 Comment
  JEPS94743  Juncus howellii Vernon H. Oswald and Lowell Ahart 1998-8-3 9422 Siskiyou Kangaroo Lake Road (USFS41N08) 3.9 mi se of Gazelle-Callahan Road at its intersection with USFS 41N10 Gazelle-Callahan Road; Kangaroo Lake Road 1554 Comment
  UCD141559  Juncus howellii J. M. Tucker 1950-7-24 1952 Siskiyou Beside Cold Creek at the Military Road crossing, about 6 miles northwest of Pilgrim Creek Experience Station, east side of Mt. Shasta. Comment
  UC842670  Juncus mertensianus John Thomas Howell 1939-8-5 15063 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  HSC77129  Juncus tenuis L. P. Janeway 1983-7-11 411 Siskiyou Along edge of dirt road 350 m N of W Branch Guard Station 671 Comment
  CAS-BOT-BC80905  Juniperus Marcus E. Jones 1926-1-20 s.n. Siskiyou Yaqui Well, Colorado Desert Comment
  CAS-BOT-BC81138  Juniperus communis W. B. C. 1938-9-8 11644 Siskiyou North side of Red Butte 2468 Comment
  CHSC65  Juniperus communis E. G. England 1939-7-16 Siskiyou Mt. Eddy. 2743 Comment
  JEPS57169  Juniperus communis L. R. Heckard 1967-8-13 1707 Siskiyou Mt. Eddy 2743 Comment
  LA6568  Juniperus communis var. saxatilis Louis Wheeler; 1934-8-14 3123 Siskiyou Siskiyou Mountains, 0.5 mi. W White Mt 1920 Comment
  SDSU1858  Juniperus communis var. saxatilis D. F. Howe 1962-8-6 3413 Siskiyou 2438 Comment
  SFV5165  Juniperus grandis B. C. Templeton 1960-6-21 8534 Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  CAS-BOT-BC81236  Juniperus occidentalis Edward Lee 1934-8-9 1013 Siskiyou Above Shasta Creek, 6 miles north of Yreka Comment
  RSA78942  Juniperus occidentalis var. occidentalis E. K. Balls, Percy C. Everett 1952-10-12 18169 Siskiyou Indian Well Campground, Modoc Lava Beds National Monument 1402 Comment
  JEPS12483  Kelloggia galioides Geo. D. Butler May 1908 415 Siskiyou Cold Spring Camp; Wooley Creek 1676 Comment
  JEPS19790  Kelloggia galioides Rimo Bacigalupi with S. Galen Smith 1957-6-25 5931 Siskiyou just w Black Butte railroad junction 1188 Comment
  RSA82883  Kelloggia galioides J. M. Tucker 1950-7-24 1948 Siskiyou Beside Hwy 89. 7.5 miles E of McCloud. 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
  SEINET516274  Kelloggia galioides Vernon H. Oswald 1997-7-28 8795 Siskiyou SE of Medicine Lake at Paynes Springs. 1981 Comment
  JEPS94643  Kochia scoparia Vernon H. Oswald and Lowell Ahart 1998-9-16 9634 Siskiyou Hwy 161 5.3 mi e Hwy. 97 (adjacent to a marsh); Lower Klamath NWR 1243 Comment
  CAS-BOT-BC499663  Kopsiopsis strobilacea Wm. Bridge Cooke 1938-7-22 11308 Siskiyou Mount Shasta: Wagon Camp--Horse Camp Trail 2133 Comment
  CAS-BOT-BC340378  Kyhosia bolanderi Louis C. Wheeler 1934-8-10 3103 Siskiyou Dead Cow Creek, Siskiyou Mts. 1828 Comment
  UC1045298  Kyhosia bolanderi W. B. Cooke 1940-8-2 15408 Siskiyou meadows Wagon Camp; Mount Shasta Comment
  RSA190722  Lactuca tatarica var. pulchella T. C. Fuller 1967-8-15 16260 Siskiyou 4 mile NE of Macdoel. Comment
  CAS-BOT-BC341698  Lagophylla ramosissima D. E. Breedlove 1962-6-11 3335 Siskiyou At confluence of Scott and Klamath Rivers 472 Comment
  UCSB15894  Lagophylla ramosissima 1962-6-11 Siskiyou At confluence of Scott and Klamath Rivers 472 Comment
  CDA8089  Lagophylla ramosissima M. V. Maxwell 1971-6-23 Siskiyou South part of Yreka. 0 Comment
  HSC60784  Lathyrus delnorticus Ruby Van Deventer 1960-7-8 Siskiyou Bell Echo (Bell Echo Camp), in Youngs Valley Comment
  SBBG15261  Lathyrus nevadensis D. Myrick 1961-6-21 302 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1371 Comment
  SBBG3355  Lathyrus nevadensis H. and M. Dearing 1938-6-29 2193 Siskiyou Mt Shasta Wagon Camp 1828 Comment
  JEPS25650  Lathyrus nevadensis var. nevadensis Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7292 Siskiyou Poker Flat 1536 Comment
  JEPS82463  Lathyrus nevadensis var. nevadensis Gilbert Muth 1966-7-14 384 Siskiyou Marble Valley, above pasture Marble Mt. Wilderness Area 1798 Comment
  UC164285  Lathyrus nevadensis var. nevadensis Geo. D. Butler 1910-6-19 1588 Siskiyou Goosenest foothills Goosenest 1524 Comment
  RSA3772  Lathyrus pauciflorus subsp. brownii A. A. Heller 1927-5-14 14378 Siskiyou About the base of black Butte near the western base of Mount Shasta. Comment
  JEPS117619  Lemna gibba Lowell Ahart, John Dittes 2010-7-30 16959 Siskiyou On the shallow calm water, along the south edge of the Shasta River, about 100 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) sou 716 Comment
  HSC193  Lepidium campestre William J. Ferlatte 1966-8-3 255 Siskiyou Mtn. Meadow Ranch 1524 Comment
  SEINET7042781  Lepidium campestre A. G. Vestal 1955-5-17 s.n. Siskiyou Scott Valley, 0.8 mile north of Etna on route 3. Etna quadrangle UTM Zone 10, 508563mE, 4590750mN. Comment
  JEPS74410  Lepidium virginicum var. pubescens W. B. and V. G. Cooke 1974-8-20 49242 Siskiyou Everett Memorial Highway Mt. Shasta 1371 Comment
  OBI53787  Lessingia nemaclada David J. Keil 1992-7-20 23471 Siskiyou W side of Scott Valley, 4.9 mi N of Etna alog CA Rte 3 875 Comment
  POM4765  Lessingia nemaclada George B. Grant 1902-9-14 5213 Siskiyou Dunsmuir Comment
  CAS-BOT-BC342099  Leucanthemum vulgare Douglas Barbe 1955-6-29 046 Siskiyou Klamath Mountains. 1.8 miles east of Callahan on the south bank of the Scott River 975 Comment
  SEINET2029206 Image available Leucothoe davisiae John P. Young 1921-9-15 s.n. Siskiyou Etna Mills Comment
  JEPS17290  Lewisia columbiana unknown 1922-5-24 Siskiyou garden of Leonard Joss of Etna Mills Comment
  RSA215609  Lewisia cotyledon Gilbert Muth 1969-8-6 1177 Siskiyou Second Valley Comment
  JEPS17195  Lewisia cotyledon var. cotyledon W. L. Jepson 1907-7-4 2817 Siskiyou Shackelford Canyon Comment
  RSA183431  Lewisia cotyledon var. cotyledon J. M. Tucker 1963-7-7 3713 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  UC1299367  Lewisia cotyledon var. cotyledon Freed W. Hoffman 1950-7-13 4011 Siskiyou Baldy Mt. Comment
  CAS-BOT-BC444046  Lewisia cotyledon var. cotyledon Gilbert Muth 1965-8-5 306 Siskiyou North slope of Marble Rim, near Blk. Mt. Comment
  HSC4869  Lewisia leeana J. O. Sawyer 1968-7-22 257 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC78204  Lewisia leeana L. P. Janeway 1983-7-3 364 Siskiyou Ridgetop NW of Poker Flat (Siskiyou crest) 1585 Comment
  HSC99206  Lewisia leeana J. O. Sawyer 1969-7-2 1033 Siskiyou NE facing slope near summit above Lipstick Lake 2226 Comment
  RSA237455  Lewisia leeana Frederick W. Oettinger 1968-8-22 594 Siskiyou Rock crevices, slope between English Peak and Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  RSA756241  Lewisia leeana Barbara Ertter 1990-7-16 9372 Siskiyou North side of ridge west of Parks Creek trailhead (Pacific Crest Trial crossing of Route 17); about 8 air mile southwest of Weed. 2195 Comment
  HSC22268  Lewisia triphylla J. O. Sawyer 1969-7-3 1044 Siskiyou Near Lipstick Lake 1951 Comment
  JEPS82461  Lewisia triphylla Gilbert Muth 1966-7-14 388 Siskiyou flat above Marble Valley (Marble Gap Trail); Marble Mt. Wilderness Area 1828 Comment
  UC569420  Leymus triticoides H. S. Yates 1936-6-21 5814 Siskiyou 6 mi n Gazelle; Yreka Quadrangle 792 Comment
  CDA32491  Leymus triticoides Unknown 1959-1-15 s.n. Siskiyou Ager, Southern Pacific Railway 0 Comment
  SEINET3863117 Image available Libocedrus decurrens Dan Youngberg 1964-8-17 62 Siskiyou Growing at West Branch Guard Station. Humbolt Meridian.; 0 671 Comment
  HSC69013  Ligusticum californicum Maralyn A. Renner 1980-7-24 2028 Siskiyou Lily Pad Lake 1768 Comment
  HSC27109  Ligusticum californicum Carl W. Mize 1972-9-24 126 Siskiyou Along logging road 816 Comment
  HSC23691  Ligusticum grayi J. O. Sawyer 1969-8-4 1867 Siskiyou Slope SW of Sugar Lake 2195 Comment
  POM82382  Ligusticum grayi Geo. D. Butler 1908-8-11 459 Siskiyou [Unspecified] Comment
  RSA453854  Ligusticum grayi M. B. Dunkle 1929-8-29 2392 Siskiyou Upper Rattlesnake Creek Comment
Read comments
May 7 2013
  UC454438  Lilium I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake Comment
  CAS-BOT-BC508256  Lilium columbianum John Thomas Howell 1939-8-3 14949 Siskiyou Spirit Lake, Marble Mts. Comment
  HSC81563  Lilium kelleyanum Thomas W. Nelson, Jane P. Nelson 1980-7-19 6200 Siskiyou Along USFS Rd. 40N17 1.0 mi. from junction with Callahan-Cecilville Rd. 1585 Comment
  SEINET8480715  Lilium pardalinum W. Roderick 1967-7-28 s.n. Siskiyou Center of town of Mt. Shasta, between the old highway and the railroad. 1067 Comment
  HSC68341  Lilium pardalinum subsp. pardalinum Maralyn A. Renner 1980-7-4 1427 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  HSC69173  Lilium pardalinum subsp. pardalinum Maralyn A. Renner 1980-8-6 2332 Siskiyou Cracker Meadow 1555 Comment
  UC618680  Lilium washingtonianum unknown 1938-7-22 11328 Siskiyou Sisson Southern Trail; Mount Shasta Comment
  HSC36707  Lilium washingtonianum subsp. purpurascens Brent Whiteley 1975-7-1 116 Siskiyou 671 Comment
  CAS-BOT-BC278075  Limnanthes alba Peter F. Zika 2012-5-14 25854 Siskiyou I-5 southbound, near exit 730 for central Dunsmuir, Klamath Range (KR) 750 Comment
  UC726828  Linanthus ciliatus A. A. Heller 1938-7-12 15247 Siskiyou 5 mi n Weed (along U.S. Highway 97) Comment
  JEPS12683  Linnaea borealis var. longiflora Ruby Van Deventer 1938-7-31 194 Siskiyou w side Poker Flat Woods; w side Poker Flat Woods 1219 Comment
  CHSC4736  Linum lewisii var. lewisii R. Carter 1966-5-15 412 Siskiyou 5.3 mi. S of intersection of Calahan-Gazelle Rd. and Old Oregon Stage Rd., growing on E side of road on serpentine slope above road in open area. Comment
  SEINET13953011 Image available Lithocarpus densiflorus A. A. Heller 1918-1 13035 Siskiyou Mt. Eddy, W of Sisson, on open SE slope, in Jeffrey pine belt 2134 Comment
  CAS-BOT-BC36527  Lithocarpus densiflorus var. echinoides Wm. Bridge Cooke 1941-6-11 16028 Siskiyou along the Castle Lake Road 1219 Comment
  CAS-BOT-BC36545  Lithocarpus densiflorus var. echinoides Geo. B. Grant 1902-9-15 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC36574  Lithocarpus densiflorus var. echinoides W. R. Dudley 1893-6-30 s.n. Siskiyou by trail to Castle Lake Comment
  UC1076022  Lithophragma campanulatum Herbert L. Mason 1947-5-17 14757 Siskiyou on Scott Mountain Road five mi s Callahan; s of Callahan Comment
  HSC36949  Lithophragma glabrum J. P. Smith 1974-5-26 7565 Siskiyou Along FS Rd. 47N03 1524 Comment
  JEPS47644  Lithophragma glabrum Geo. D. Butler 1909-4-13 652 Siskiyou near Yreka; near Yreka Comment
  CAS-BOT-BC435474  Lithophragma glabrum Dorothy Parker 1948-4-14 s.n. Siskiyou Scott Valley 786 Comment
  CDA40613  Lithospermum californicum Gene Deal 1968-6-11 s.n. Siskiyou Adar Mill prop., Mt Shasta. 0 Comment
  RSA605517  Lithospermum californicum L. C. Wheeler 1959-7-24 7589 Siskiyou Salmon & Marble Mountains Region: Ridge between Crawford Creek Gulch. Comment
  RSA44060  Lithospermum ruderale W. Bridge Cooke 1942-7-2 16362 Siskiyou Near Widow Springs, Mt. Shasta. Comment
  JEPS98786  Lolium Sue Pappalardo 1993-7-19 508 B 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
  CHSC91243  Lolium multiflorum Lowell Ahart; John Dittes 2005-6-10 12123 Siskiyou North side of the corral, end of Salvadori Road, Nelson Ranch, about 1 1/4 miles (air) south of Highway 99/97 cutoff, about 5 1/4 miles (air) east-southeast of Grenada. 785 Comment
  HSC43043  Lomatium californicum J. O. Sawyer, K. T. Stillman 1976-7-2 2816 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  HSC39322  Lomatium macrocarpum J. P. Smith 1974-5-26 7387 Siskiyou Along FS Rd. 47N03 1524 Comment
  JEPS17115  Lomatium macrocarpum Geo. D. Butler 1909-5-9 744 Siskiyou Yreka Comment
  OBI81750  Lomatium macrocarpum Tracey Call, Viola Call 1964-6-22 2279 Siskiyou Montague Rd. 5 miles west of Mt. Hebron town Comment
  RSA237415  Lomatium macrocarpum Frederick W. Oettinger 1969-7-10 958 Siskiyou SSW of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  HSC46187  Lomatium nevadense Jennifer Whipple 1977-4-30 1883 Siskiyou Scott Valley near Weston Gulch 854 Comment
  HSC37532  Lomatium nudicaule J. P. Smith 1974-5-26 7568 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC38864  Lomatium nudicaule J. P. Smith 1973-5-5 6463 Siskiyou Along Cook and Green Pass Rd. Comment
  UC106270  Lomatium nudicaule Brandegee July, 1887 Siskiyou Edgewood Comment
  SEINET7042824  Lomatium peckianum A. G. Vestal 1955-5-16 s.n. Siskiyou Bouldery roadside ca. 5.2 miles northwest of Weed. Weed quadrangle UTM Zone 10, 544718mE, 4590385mN. Comment
  JEPS109788  Lomatium tracyi Dean W. Taylor 2002-7-27 18282 b Siskiyou Highway 3 2.3 miles North of Scott Mountain Summit 1386 Comment
  UCD127272  Lomatium triternatum var. macrocarpum Robert E. Preston 1995-6-18 883 Siskiyou Irongate Reservoir, 0.6 miles NNW of dam at roadside. 731 Comment
  SEINET3154550  Lonicera ciliosa G. D. Butler 1910-5-23 1395 Siskiyou Humbug mountain 1219 Comment
  CHSC193  Lonicera conjugialis V. Holt 1932-7-5 Siskiyou Castle Lke 2133 Comment
  CAS-BOT-BC240640  Lonicera hispidula D. H. Norris 1970-5-23 12244 Siskiyou Along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  RSA138228  Lonicera hispidula var. vacillans P. C. Everett, E. K. Balls 1959-10-24 23943 Siskiyou 3 miles SW from Red Bank F.S. Camp along road from Sawyers Bar to Somes Bar. 518 Comment
  HSC27682  Lonicera hispidula var. vacillans Carl W. Mize 1972-6-10 45 Siskiyou N Slope. 762 Comment
  RSA50164  Lonicera interrupta E. K. Balls 1949-7-10 13956 Siskiyou 5 miles from Sawyer's Bar on road to Cecilville. Comment
  CAS-BOT-BC200967  Lotus Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  JEPS55532  Lotus nevadensis var. nevadensis W. L. Jepson Jul 1894 13797 Siskiyou w of Mt. Shasta; Upton Comment
  SFV5182  Lotus oblongifolius B. C. Templeton 1960-6-21 8558 Siskiyou Klamath Mountains Near the top of Scott Mountain. On mountain slopes. 1645 Comment
  UC144153  Lotus purshianus var. purshianus A. A. Heller 1905-6-8 8001 Siskiyou Yreka Comment
  UC15498  Lotus purshianus var. purshianus T. H. Gilbert 1899-7-15 Siskiyou Scott River Valley Comment
  UC454612  Lotus stipularis I. J. Condit 1911-7-8 Siskiyou Shasta Retreat 762 Comment
  RSA240071  Lotus unifoliolatus Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1215 Siskiyou Abbotts upper Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1524 Comment
  HSC666  Lotus unifoliolatus var. unifoliolatus William J. Ferlatte 1967-7-9 682 Siskiyou Kidd Creek Trail 1768 Comment
  CAS-BOT-BC140202  Luetkea pectinata John Thomas Howell 1939-8-2 14872 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC29123  Luina hypoleuca Frederick W. Oettinger 1968-8-2 367 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: NE of Diamond Lake 2082 Comment
  RSA119494  Lupinus C. P. Smith 1947-5-13 47274 A Siskiyou 7.4 miles east of Weed. Highway 97. Comment
  UC398668  Lupinus albicaulis var. shastensis A. A. Heller 1927-8-1 14436 Siskiyou near Shasta Springs (Type Station); near Shasta Springs Comment
  HSC42148  Lupinus albifrons S. Saufferer 1973-5-6 153 Siskiyou Just S of Dunsmuir on gravelly flats along Railroad Creek Comment
  UC157010  Lupinus albifrons var. albifrons Geo. D. Butler 1908-6-20 366 Siskiyou near Yreka Comment
  HSC23657  Lupinus andersonii J. O. Sawyer 1969-7-16 1144 Siskiyou 2073 Comment
  RSA582456  Lupinus aridus Louis C. Wheeler 1935-6-13 3582 Siskiyou N side Scott River, Scott Bar Mts. 823 Comment
  HSC43859  Lupinus bicolor Maralyn O'Meara 1974-5-25 369 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC71624  Lupinus bicolor J. P. Smith 1973-5-5 6570 Siskiyou Etna 793 Comment
  HSC42168  Lupinus croceus J. Mastrogiuseppe 1974-9-2 168 Siskiyou W slope of ridge of Red Rock Mtn. 2195 Comment
  HSC70490  Lupinus croceus J. P. Smith, Steve Selva 1970-6-15 3971 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  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
  RSA372145  Lupinus klamathensis M. L. Conrad, David B. Dunn, P. Kenney 1973-6-2 6972 Siskiyou 1.1 mile from Interstate 5 on Highway 3, southwest of Yreka. 915 Comment
  RSA372149  Lupinus klamathensis M. L. Conrad, David B. Dunn, LeDoux 1973-6-2 6971 Siskiyou On south facing slope of Klamath River Valley, 1.5 miles west of junction of 263 and 96 on Highway 96. 732 Comment
  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
  RSA523664  Lupinus lapidicola Richard Halse 1989-5-6 3817 Siskiyou Along Old Hwy 99, 3.2 miles south of Gazelle or 4.2 miles north of its jct with Old Stage Road. 888 Comment
  UC726316  Lupinus latifolius var. viridifolius A. A. Heller 1928-6-9 14601 Siskiyou Shasta Retreat Comment
  UCD108215  Lupinus latifolius var. viridifolius A. A. Heller 1920-7-3 13408 Siskiyou at Metcalf's ranch, northeast base of Mt. Eddy. Comment
  HSC25460  Lupinus lepidus J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5655 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  JEPS105171  Lupinus lepidus var. lobbii Dean W. Taylor 1993-7-30 14021 Siskiyou Highway 3 about 7 miles east of Fort Jones (tributary to Scott River); Klamath National Forest 609 Comment
  JEPS83243  Lupinus lepidus var. sellulus W. L. Jepson 1940-6-28 20060 Siskiyou McCloud 975 Comment
  UC157026  Lupinus lepidus var. sellulus Geo. D. Butler 1908-8-2 368 Siskiyou Shackleford Creek edge Quartz Valley; Shackleford Creek edge of Quartz Valley Comment
  SEINET10485590  Lupinus leucophyllus var. belliae Melvin L. Conrad, David B. Dunn; Katherine L. Morris 1973-6-1 Conrad 6967 Siskiyou Oak-juniper woodland at margin of klamath river, 2 mi s of hornbrook. 701 Comment
  JEPS74336  Lupinus luteolus L. R. Heckard with T. I. Chuang and R. Bacigalupi 1974-7-23 3755 a Siskiyou about 4 air miles N of: Shasta River Bridge Yreka Comment
  SEINET10488765  Lupinus luteolus Katherine L. Morris 1973-6-2 Morris 337 Siskiyou Decomposed volcanic soil on hornbrook to montague rd, about 1 mi se of Hornbrook. Comment
  UC1506172  Lupinus obtusilobus Robert T. Clausen and Harold Trapido 1940-7-27 4969 Siskiyou 5 mi nne Mt. Shasta summit (w side of Mountainhouse Creek); Cascade Mtns, Sacramento River Basin, Mt. Shasta 1981 Comment
  UCD109376  Lupinus polyphyllus J. M. Tucker; L. K. Mann 1963-7-5 3699 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
  CDA27573  Lupinus polyphyllus var. burkei T. C. Fuller 1964-6-24 12246 Siskiyou 0.2 mile south of Mugginsville, Quartz Valley. 0 Comment
  JEPS67168  Luzula cascadensis Geo. D. Butler 1910-7-9 1701 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC436603  Luzula cascadensis Ira L. Wiggins 1950-5-28 12362 Siskiyou Margins of Carmen Lake, about 1.5 miles E of Scott Mountain Road 1737 Comment
  HSC67951  Luzula comosa J. P. Smith 1973-5-5 6513 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC436699  Luzula comosa var. laxa Wm. Bridge Cooke 1939-7-7 13602 Siskiyou Mt. Shasta: between Bear Springs and Wagon Camp 1676 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
  CAS-BOT-BC499138  Luzula macrantha Peter F. Zika 2012-5-18 25885 Siskiyou Near entrance to Castle Crags State Park, above Castle Creek, Castella, 3 ir km SSE of Castle Dome 640 Comment
  UCR66731  Madia exigua L. C. Wheeler 1934-6-2 02607 Siskiyou Siskiyou Mtns, Oak knoll ranger station, Klamath River 671 Comment
  SJSU6506  Maianthemum racemosum R. W. Trivelpiece 1972-6-15 121 Siskiyou Vann Creek near Bear Peak c. 15 mi SW of Happy Camp 1280 Comment
  HSC6017  Matricaria discoidea R. C. Wunner 1965-6-29 309 Siskiyou California Lava Beds National Monument; Indian Wells Campground, lower loop 1433 Comment
  HSC1870  Medicago lupulina L. C. Wheeler 1934-10-7 3313 Siskiyou Oak Knoll Ranger Station, Klamath River 671 Comment
  UC165788  Melica aristata Geo. D. Butler 1909-7-15 811 Siskiyou Russian Creek 1828 Comment
  CHSC91602  Melica californica G. Douglas Barbe; P. Hiatt, M. Keffer 1980-6-5 2810 Siskiyou Cascade Ranges. Mt. Shasta Reforestation area, north of Mt. Shasta city on Everitt Memorial Hwy to Panther Meadows ski area. 1097 Comment
  SEINET207388 Image available Melica geyeri Rimo Bacigalupi, Mr. & Mrs. Van Deventer 1959-7-10 7312 Siskiyou Twin Valley Siskiyou Mts. just east of Del Norte County Line; 4 airmiles north-northeast of Preston Peak 1494 Comment
  POM114778  Melica spectabilis Geo D. Butler 1910-4-19 1196 Siskiyou Yreka Comment
  JEPS84000  Melica subulata L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6386 Siskiyou ca 1.5 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  UCD88682  Melica subulata H. S. Yates 1936-6-20 5799 Siskiyou Siskiyou Summit. 1371 Comment
  JEPS93967  Mentha canadensis Vernon H. Oswald and Lowell Ahart 1998-9-16 9635 Siskiyou 5.3 mi e of Highway 97 (Highway 161 adjacent to marsh at the Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge 1243 Comment
  UC725962  Mentzelia dispersa A. A. Heller 1925-6-25 13896 Siskiyou 3 mi n Mt. Shasta (State Highway) Comment
  UC583414  Mentzelia laevicaulis var. laevicaulis Elmer I. Applegate 1923-9-6 3938 Siskiyou 12 mi below mouth of Shasta River; Klamath River Comment
  CAS-BOT-BC428552  Micranthes aprica Ira L. Wiggins 1955-7-27 13516 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC429154  Micranthes odontoloma Gilbert Muth 1966-7-24 442 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  SJSU2555  Micranthes odontoloma H. L. Buckalew 1962-7-9 Siskiyou near Poker Flat c. 4 mi W of junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts 1219 Comment
  CAS-BOT-BC429257  Micranthes oregana L. E. Smith 1914-6-9 714 Siskiyou Sisson Comment
  LA208998  Micranthes tolmiei Lincoln Ellison; 1928-9-11 506 Siskiyou Mount Shasta, SW slope of mtn 2895 Comment
  UC1048144  Microseris laciniata subsp. laciniata Univ. of Calif., Division of Genetics 600 Siskiyou Comment
  CAS-BOT-BC349366  Microseris nutans J. H. Thomas 1954-5-13 4149 Siskiyou Southwestern Siskiyou County. Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, between Lat. 41 deg. 03' and 41 deg. 06' N., and Long. 122 deg. 58' and 123 deg. 03' W. Along Rush Creek 1127 Comment
  CDA8393  Microseris nutans T. C. Fuller 1962-6-13 8979 Siskiyou Road to Medicine Lake & Toad Lake, 6 miles northeast of Bartle. 0 Comment
  HSC22303  Microseris nutans J. O. Sawyer 1969-7-10 1286 Siskiyou E facing slope W of S Sugar Lake 2226 Comment
  RSA68882  Microseris nutans A. E. Culbertson 1943-7-1 74 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west 1657 Comment
  HSC61903  Microsteris gracilis Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  UC1586888  Mimulus Juha Pykala and D. H. Norris 1987-7-7 2410 Siskiyou Jot Dean Ice Cave 1700 Comment
  HSC29410  Mimulus guttatus Frederick W. Oettinger 1969-8-25 1542 Siskiyou High Lake Basins; W of Arrow Peak near Tom Taylor Cabin 1982 Comment
  JEPS8188  Mimulus layneae W. L. Jepson 1940-6-30 20070 Siskiyou 6 mi e McCloud; McCloud River, Fowlers Camp 944 Comment
  JEPS8209  Mimulus layneae W. L. Jepson 1914-8-14 6169 Siskiyou Dunsmuir 670 Comment
  JEPS4201  Mimulus layneae A. A. Heller 1938-7-12 15248 Siskiyou 5 mi n Weed (on U. S. Highway #97) 1066 Comment
  RSA535564  Mimulus layneae David M. Thompson 1929-6-29 1023 Siskiyou Near Black Butte, mid-way between Mt. Shasta city and Weed. 1.2 mi N of I-5 interchange (summit Drive/Deetz Road/Truck Village Drive) along N part of Truck Village Drive (E side of I-5). 1200 Comment
  UC27060  Mimulus moniliformis F. W. Morse July, 1886 Siskiyou Shasta Comment
  HSC447  Mimulus moschatus William J. Ferlatte 1967-8-19 1035 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's 1524 Comment
  HSC64881  Mimulus moschatus D. L. Goforth 1979-7-19 270 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin, .5 mi. S of upper lake 2226 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
  HSC426  Mimulus nanus var. nanus William J. Ferlatte 1966-8-18 409 Siskiyou 3 mi. S of Big Flat 1585 Comment
  UC454789  Mimulus primuloides I. J. Condit 1909-8-22 Siskiyou Sisson Comment
  HSC29402  Mimulus primuloides Frederick W. Oettinger 1968-8-13 520 Siskiyou Bear Meadow near Tom's Lake 2180 Comment
  RSA101711  Mimulus primuloides C. Hart Merriam 1898-09 s.n. Siskiyou Wagon Camp. Comment
  HSC81621  Mimulus primuloides var. linearifolius Thomas W. Nelson, Jane P. Nelson 1980-7-19 6205 Siskiyou Along USFS Rd. 40N17 1.0 mi. from junction with Callahan-Cecilville Rd. 1585 Comment
  HSC91055  Mimulus primuloides var. linearifolius Jennifer Whipple 1976-7-2 1251 Siskiyou Mt. Eddy: Near Dobkins Lake 2073 Comment
  UC618709  Mimulus tilingii W. Bridge Cooke 1938-8-18 11483 Siskiyou above Horse Camp (on Summit Trail); Mount Shasta, Horse Camp Springs Comment
  HSC91059  Mimulus tilingii Jennifer Whipple 1976-9-3 1780 Siskiyou Mt. Eddy, W-facing slope of the ridge between Durney Lake and Little Crater Lake 2287 Comment
  CAS-BOT-BC388882  Minuartia douglasii J. H. Thomas 1954-5-14 4166 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, Southwestern Siskiyou County 1219 Comment
  UC135646  Minuartia nuttallii subsp. gregaria Dr. E. B. Copeland 1903-9-7 3870 Siskiyou Mt. Eddy 2133 Comment
  UC165314  Minuartia pusilla Geo. D. Butler 1910-4-23 1232 Siskiyou Quartz Valley Comment
  NY342052  Mirabilis greenei E. L. Greene 1876-1 s.n. Siskiyou Comment
  RSA661226  Mirabilis greenei Rachel Levin 1998-5-25 98- 4 -A/B Siskiyou On Copco Road, 2.4-5 miles from jct. with I-5, head east towards the Copco Dam, plants on left side of road. Comment
  CAS-BOT-BC229607  Mirabilis greenei Geo. D. Butler 1910-5-11 1334 Siskiyou Shasta Valley Comment
  POM68863  Mirabilis greenei Geo. D. Butler 1910-5-11 1334 Siskiyou Shasta Valley Comment
  HSC61892  Mitella breweri Al Hobart 1920-6-13 Siskiyou Poker Flat 1585 Comment
  UC1190268  Mitella diversifolia Ira L. Wiggins 1955-7-24 13481 Siskiyou China Creek; diversion dam 1097 Comment
  HSC86553  Mitella pentandra D. K. Imper Jul 1987 Siskiyou Marble Mtn. Wilderness Area, Haypress Meadow, 8 mi. E of Somes Bar 1372 Comment
  CAS-BOT-BC433075  Mitella trifida John Thomas Howell 1939-8-3 14977 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC1222382  Mitella trifida Joseph P. Tracy 1951-6-16 19492 Siskiyou Summit of Siskiyous; at crossing of Takilma-Happy Camp Rd Comment
  UC1299673  Mitella trifida Freed W. Hoffman 1950-7-13 3637 B Siskiyou road to Baldy Mountain 1.1 mi before Lookout (w Siskiyou Co.); South Fork Indian Creek Comment
  SBBG25901  Monardella odoratissima D. Myrick 1966-8-10 1533 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  UC1096813  Monardella odoratissima subsp. pallida H. K. Wagnon 1957-8-11 1702 Siskiyou Mt. Shasta ca. 1 mi W of Military Pass Road, along road to Brewer Creek. Comment
  UC1483447  Monardella odoratissima subsp. pallida J. Sawyer and J. Cole 1980-7-22 3988 Siskiyou Little Horse Peak, Klamath National Forest, Bray Quad. 1719 Comment
  UC456090  Monardella odoratissima subsp. pallida I. J. Condit 1911-7-15 Siskiyou McCloud Comment
  SEINET10582081  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 345 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
  SEINET844345  Monardella purpurea J. M. Tucker, L. K. Mann, S. L. Holloway 1963-1 3754 Siskiyou Southwestern ridge of Black Marble Mountain, Marble Mountain Wilderness Area, California 2133 Comment
  CAS-BOT-BC220229  Monardella sheltonii H. A. Thomas; J. H. Thomas 1954-7-22 4442 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Between Rush and Big Bend Creeks, 0.25 - 0.5 miles N of S Fork of Salmon River 975 Comment
  UC1409435  Monotropa hypopitys Frederick W. Oettinger 1968-8-7 430 Siskiyou trail between Diamond Lake and Hancock Lake (High Lake Basins in vicinity of English Peak, western Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  CAS-BOT-BC444878  Montia fontana L. R. Abrams 1926-7-4 11224 Siskiyou 1 mile west of Shasta City on road to Abrams Lake Comment
  CAS-BOT-BC7353  Montia obtusata Amos Arthur Heller 1905-6-1 7945 Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  HSC65573  Montia parvifolia R. White 1977-7-7 113 Siskiyou Devil's Punchbowl, NE shore 1433 Comment
  HSC22223  Montia parvifolia J. O. Sawyer 1969-7-10 1293 Siskiyou E facing slope W of S Sugar Lake 2226 Comment
  UCD86503  Muhlenbergia andina R. Tofsrud 1950-7-24 s.n. Siskiyou E. side of Mt. Shasta. Cold Creek. Comment
  CAS-BOT-BC267046  Muhlenbergia filiformis W. B. C. 1938-7-15 11221 a Siskiyou Mount Shasta. Above Bear Springs Comment
  HSC30608  Muhlenbergia filiformis Frederick W. Oettinger 1969-9-1 1575 Siskiyou Margin of Katherine Lake, Salmon Mountains. 2027 Comment
  RSA239110  Muhlenbergia montana Frederick W. Oettinger 1968-9-7 753 Siskiyou Near north end of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  CHSC71321  Myosurus sessilis Vernon H. Oswald; Lowell Ahart 1998-6-11 9222 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. Along the edge of a vernal pool. 1295 Comment
  UCD77882  Nama densa Robert E. Preston 1997-6-1 1037 Siskiyou 100 ft n of Hwy 97. 1402 Comment
  CDA40299  Nama lobbii G. Deal 1966-7-18 s.n. Siskiyou Mt. Shasta, above Mt. Shasta City, 1/4 mile behind ski rental shop on road to ski bowl. 0 Comment
  HSC34139  Narthecium californicum J. O. Sawyer 1969-8-5 1757 Siskiyou W of Little Duck Lake 2073 Comment
  HSC44992  Narthecium californicum J. P. Smith, Steve Selva 1970-7-18 4498 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  CDA40083  Navarretia atractyloides C. Giebner 1960-8-3 s.n. Siskiyou Greenview, Scott Valley. 0 Comment
  HSC44288  Navarretia intertexta J. P. Smith, Steve Selva 1970-7-16 4379 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  JEPS19746  Navarretia leucocephala subsp. minima Rimo Bacigalupi with S. Galen Smith 1957-6-27 5978 Siskiyou 4.0 mi sw Dorris (along U.S. Highway 97); Butte Valley 1280 Comment
  UC880876  Nemophila heterophylla Louis C. Wheeler 1935-6-1 3538 Siskiyou Yreka Creek , Yreka Creek (Siskiyou Mts.) 853 Comment
  UC1258446  Nemophila parviflora var. austiniae Maralyn A. Renner 1980-7-23 1824 Siskiyou near ridge about 1 mi e Cook and Green Pass (Pacific Crest Trail, Klamath National Forest); Seiad Valley Quad., Klamath National Forest 1752 Comment
  UC164108  Nemophila pedunculata Geo. D. Butler 1909-4-7 658 Siskiyou near Yreka; near Yreka Comment
  SEINET516296  Nepeta cataria Vernon H. Oswald 1998-9-16 9636 Siskiyou Vista Point on Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi E of Hwy. 97. 1244 Comment
  CAS-BOT-BC60593  Noccaea fendleri subsp. glauca R. C. Wenk 2005-7-19 338 Siskiyou Along Pacific Crest Trail, between Deadfall Lakes and pass below Mount Eddy. 2407 Comment
  HSC92177  Nothocalais alpestris Jennifer Whipple 1977-7-22 2056 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  RSA237495  Nothocalais alpestris Frederick W. Oettinger 1969-9-3 1619 Siskiyou Trail on north side of Crapo Ridge above Tom's Cabin; Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area 2073 Comment
  HSC19125  Nothochelone nemorosa J. O. Sawyer 1969-8-18 1979 Siskiyou S of S Sugar Lake 2104 Comment
  HSC19129  Nothochelone nemorosa J. O. Sawyer 1969-7-23 1167 Siskiyou Near Horse Range Creek. 1341 Comment
  HSC272  Nothochelone nemorosa William J. Ferlatte 1967-8-21 1076 Siskiyou Sawtooth Ridge between Caribou Basin and Little S Fork Lake 2287 Comment
  RSA408399  Nothochelone nemorosa M. B. Dunkle 1945-8-7 9334 Siskiyou King's Castle. Klamath Nat'l Forest. Marble Mtns. Comment
  POM32375  Oenothera villosa subsp. strigosa Geo. D. Butler 1910-7-30 1799 Siskiyou Yreka Creek Comment
  POM211388  Olsynium douglasii Louis C. Wheeler 1935-3-18 3377 Siskiyou Cottonwood Creek, Siskiyou Mtns. (Mt Diablo Mer.) 945 Comment
  UC1181808  Olsynium douglasii var. douglasii Dorothy Parker 1950-4-1 300 Siskiyou near Callahan; Siskiyou Mountains 914 Comment
  CAS-BOT-BC349960  Onopordum tauricum W. T. Parsons; T. C. Fuller 1960-7-26 4878 Siskiyou F. Voelker ranch, W edge Meiss Lake Basin, just S/Sam's Neck, ca. 15 mi SW/Dorris Comment
  JEPS66884  Opuntia fragilis Beatrice Wise Siskiyou Shasta Valley Comment
  CAS-BOT-BC355601  Oreostemma alpigenum var. andersonii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. Comment
  HSC23614  Oreostemma alpigenum var. andersonii J. O. Sawyer 1968-7-9 1763 Siskiyou W of Little Duck Lake Comment
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Sep 26 2011
  JEPS123404  Oreostemma alpigenum var. andersonii Julie Kierstead Nelson with Don Lepley, Rhonda Posey 2015-8-13 2015 -123 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. Comment
  HSC68885  Orobanche fasciculata Maralyn A. Renner 1980-6-9 844 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  HSC16689  Orobanche fasciculata R. C. Wunner 1965-7-13 385 Siskiyou Lava Beds National Monument, at start of Lone Pine Rd. around Cresent Butte. 1418 Comment
  HSC19214  Orthilia secunda J. O. Sawyer 1968-7-10 507 Siskiyou On Sugar Creek just above confluence with S Sugar Creek 1707 Comment
  UC1037439  Orthilia secunda Douglas Barbe 1955-7-28 305 Siskiyou Klamath Mountains about 0.5 mile west of Scott Mountain Forest Camp. 1645 Comment
  UCD77893  Orthilia secunda Robert E. Preston 2001-7-20 1689 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W se 1/4 of ne 1/4 Section 14 1731 Comment
  CAS-BOT-BC458076  Orthilia secunda Wm. Bridge Cooke 1938-8-5 11457 Siskiyou Mount Shasta: Sisson Southern Trail 1828 Comment
  CAS-BOT-BC458089  Orthilia secunda A. A. Heller 1914-8-28 11743 Siskiyou Mt. Eddy, east side 1828 Comment
  RSA0083196  Orthilia secunda William J. Ferlatte 1966-8-17 394 Siskiyou Caribou Basin; Trinity Alps. 1982 Comment
  CAS-BOT-BC266624  Orthocarpus cuspidatus R. C. Wenk 2005-7-19 345 Siskiyou Border between Siskiyou and Trinity Counties, National Forest Road 17, parking lot where Pacific Crest Trail crosses road at top of pass 2090 Comment
  CHSC1813  Orthocarpus cuspidatus subsp. copelandii K. Jaekel 1932-6-26 Siskiyou Mt. Eddy. 1219 Comment
  JEPS29106  Orthocarpus cuspidatus subsp. copelandii Lauramay T. Dempster 1961-7-1 1823 Siskiyou along ridge from Condry Peak to White Mountain (main ridge, Siskiyou Mts., n of Horse Creek drainage); Siskiyou Mts., Horse Creek drainage, fr Condry Peak to White Comment
  JEPS4545  Orthocarpus cuspidatus subsp. copelandii John Thomas Howell 1937-7-29 13653 Siskiyou Scott Mountain; between Trinity and Siskiyou Counties Comment
  RSA237568  Orthocarpus cuspidatus subsp. copelandii Frederick W. Oettinger 1967-8-10 245 -b Siskiyou 1/8 mile southeast of Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  RSA749251  Orthocarpus cuspidatus subsp. cuspidatus K. M. Meyer, A. Townesmith 2007-8-2 187 Siskiyou Klamath National Forest, 13.3 m on Forest Service Rd. 70, off US Hwy. 97 toward Oregon. 1956 Comment
  SEINET13755310  Orthocarpus imbricatus G. D. Butler 1910-7-8 1680 Siskiyou Shackleford Creek 1372 Comment
  HSC4880  Osmorhiza berteroi J. O. Sawyer 1968-7-10 456 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  RSA184689  Osmorhiza berteroi Gilbert Muth 1966-7-14 396 Siskiyou Trail to Black Mountain, Marble Mountains. Comment
  RSA237407  Osmorhiza berteroi Frederick W. Oettinger 1969-7-10 952 Siskiyou Due west of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1761 Comment
  RSA459006  Osmorhiza berteroi M. B. Dunkle 1944-6-25 9008 Siskiyou Siskiyou National Forest. 1677 Comment
  HSC69284  Osmorhiza occidentalis Maralyn A. Renner 1980-7-24 1953 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  RSA215605  Osmorhiza occidentalis Gilbert Muth 1969-8-6 1260 Siskiyou Boulder Peak Ridge 2470 Comment
  UCD127817  Oxypolis occidentalis A. A. Heller 1915-8-24 12204 Siskiyou Metcalf's ranch, northeast base of Mount Eddy. 1188 Comment
  HSC76953  Oxyria digyna K. T. Stillman 1976-7-15 256 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  UC1299443  Packera cana Freed W. Hoffman 1950-7-11 3562 Siskiyou Cedar Camp Road 19.5 mi n Klamath River Comment
  CAS-BOT-BC253768  Panicum capillare R. E. Frenkel 1964-10-2 880 Siskiyou On Everitt Memorial Highway 1.0 mile N of McCloud River RR crossing, near Mount Shasta 1219 Comment
  CDA3570  Papaver rhoeas D. Bush 1967-8-2 Siskiyou Southern Pacific Railroad right of way, Hatfield. 0 Comment
  JEPS106485  Parnassia cirrata J. K. Nelson 2004-8-31 2004 -97 Siskiyou Gumboot Meadow, 1/2 mi N of Gumboot Lake, S of Road 40N26, headwaters south fork Sacramento River; ca. 20 mi W of Mount Shasta City 1813 Comment
  CAS-BOT-BC175511  Parnassia fimbriata Gilbert J. Muth 1969-8-11 1361 Siskiyou Slope beneath high point of ridge s. of Boulder Peak Comment
  CHSC1648  Parnassia palustris N. Jaekel 1939-7-29 Siskiyou Mt. Eddy. 2286 Comment
  HSC96307  Parnassia palustris Gordon Leppig 1998-8-14 1036 Siskiyou Klamath National Forest, Russian Wilderness, in cirque W of Little Duck Lake. 2200 Comment
  JEPS16030  Pastinaca sativa W. L. Jepson July, 1894 14262 Siskiyou Sisson Comment
  CAS-BOT-BC202834  Paxistima myrsinites John Thomas Howell 1952-6-14 2831 Siskiyou Just north of Black Butte Comment
  CAS-BOT-BC202858  Paxistima myrsinites Doris K. Kildale 1929-7-20 8639 Siskiyou Trail up South Fork Indian Creek to Elk Lick Comment
  CAS-BOT-BC202866  Paxistima myrsinites Geo. B. Grant 1902-9-9 s.n. Siskiyou Sisson Comment
  UC1280891  Paxistima myrsinites H. E. McMinn 1931-6-27 2514 Siskiyou Mt. Shasta City Comment
  JEPS68221  Pectocarya pusilla Geo. D. Butler 1910-4-21 1215 Siskiyou Oro Fino Comment
  HSC96304  Pedicularis bracteosa var. flavida Gordon Leppig 1998-8-13 1005 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, in cirque W of Little Duck Lake 2200 Comment
  CAS-BOT-BC266644  Pedicularis bracteosa var. flavida Lester Rowntree 1936-7-13 s.n. Siskiyou Granite Creek, Trinity Mountains 2133 Comment
  RSA183698  Pedicularis contorta Gilbert Muth 1965-8-6 181 Siskiyou Marble Mountains; backside of Black Mountain Comment
  UC672571  Pedicularis densiflora Dorothy Tebbe 1930-3-28 61 Siskiyou near Weed Comment
  HSC49937  Pedicularis howellii G. L. Clifton 1979-7-1 6198 Siskiyou Near Poker Flat, close to the town of Happy Camp 1653 Comment
  HSC58888  Pedicularis racemosa Marvin Butler 1971-8-11 279 Siskiyou Near El Capitan Lake, close to town of Cave Junction 1646 Comment
  UC1040697  Pedicularis racemosa Alfred H. Murphy 1956-8-16 56 EE Siskiyou Tangle Blue Lake; Klamath National Forest 1767 Comment
  POM299020  Pellaea brachyptera Marion Ownbey, Fred G. Meyer 1940-7-6 2198 Siskiyou Near summit of Cayenne Ridge on south side, Marble Mountain. Comment
  HSC22280  Pellaea brachyptera J. O. Sawyer 1968-9-10 761 Siskiyou Boulder Peak 1829 Comment
  POM211337  Pellaea brachyptera L. C. Wheeler 1934-8-15 3157 Siskiyou Siskiyou Mountains: East Fork Horse Creek. 1524 Comment
  SEINET9628403 Image available Pellaea brachyptera William Bridge Cooke 1941-9-5 16275 Siskiyou Common on the bluff above MacBride Springs. 1524 Comment
  UC371164  Pellaea brachyptera G. D. Butler 1908-7-20 248 Siskiyou w side Humbug Mt Comment
  JEPS23803  Penstemon anguineus Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7290 Siskiyou Poker Flat 1536 Comment
  CDA41886  Penstemon anguineus T. C. Fuller 1974-9-24 20029 Siskiyou Above Reeves Ranch Spring, south slope of the Siskiyou Mountains. 0 Comment
  RSA331964  Penstemon anguineus Walter Wisura, Dave Kelly 1985-7-30 4073 Siskiyou Along forestry road 47N63 near Siskiyou Summit, N of Horse Creek on Hwy 96. Comment
  UC564176  Penstemon cinereus Elmer I. Applegate 1935-6-2 9268 Siskiyou Indian Wells Lava Beds National Monument, Indian Wells Comment
  UC1258458  Penstemon cinicola J. Sawyer and J. Cole 1980-7-20 3782 Siskiyou s of Grouse Hill (at n base of Badger Peak, Klamath National Forest); Klamath National Forest, Badger Peak 2145 Comment
  HSC91150  Penstemon davidsonii Jennifer Whipple 1976-7-25 1583 Siskiyou N slopes of Mt. Eddy 2561 Comment
  RSA12566  Penstemon deustus subsp. deustus Carl B. Wolf 1934-7-6 6020 Siskiyou SW side of Mt. Shasta about 1/2 mile S of trail to Horse Camp. 1524 Comment
  CHSC4543  Penstemon gracilentus J. E. Bowlin 1967-7-18 49 Siskiyou On a bank ca. 20 ft. high, above the road, and 2.8 mi w of Mount Shasta Ski Bowl. 2133 Comment
  CHSC65847  Penstemon gracilentus Maria Ulloa-Cruz 1994-8-3 45 Siskiyou Mount Shasta Ranger District. On slope above Panther Creek tributary. 2000 Comment
  SBBG7148  Penstemon gracilentus H. and M. Dearing 1948-9-12 6727 Siskiyou Mt Shasta 2316 Comment
  CDA41853  Penstemon laetus subsp. sagittatus T. C. Fuller 1958-6-19 1894 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  CHSC118644  Penstemon laetus var. sagittatus Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -032 Siskiyou Lower Parks Creek watershed, E Klamath Range, along Forest Service Road 42N19, 4 miles northwest of Stewart Springs; UTM NAD 83 Zone 10, 539279m E, 4587169m N. 4944 Comment
  HSC29293  Penstemon newberryi subsp. berryi Frederick W. Oettinger, R. F. Thorne 1969-8-5 1219 Siskiyou Marble Mtn. Wilderness Area, N side of Crapo View Gap along English Lake trail Comment
  RSA238741  Penstemon newberryi subsp. berryi Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1219 Siskiyou North side of Crapo View Gap along English Lake trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness. Comment
  HSC60466  Penstemon parvulus Carl Wishner 1978-7-19 550 Siskiyou Sandy Ridge trail 11W21 above Monument Lake, Marble Mtn. Wilderness 1829 Comment
  UC609350  Penstemon parvulus Eleanor Burks Hart 1938-8-15 914 Siskiyou n side of Upper Wright Lake Upper Wright Lake 2225 Comment
  LA209561  Penstemon procerus Wm. Bridge Cooke; 1939-7-7 13605 Siskiyou Mount Shasta, near lower end of the Wagon Camp area 1706 Comment
  SEINET12291363  Penstemon procerus H. P. Chandler 1901-1 1639 Siskiyou near Marble Mtn 2134 Comment
  RSA183710  Penstemon procerus subsp. brachyanthus Gilbert Muth 1965-8-8 195 Siskiyou Upper meadows, Marble Valley, Marble Mtns. Comment
  HSC91097  Penstemon procerus var. formosus Jennifer Whipple 1976-6-30 1208 Siskiyou SE slope of Mount Eddy draining into the N fork of the Sacramento River 2256 Comment
  UC1238946  Penstemon rupicola Freed W. Hoffman 1950-7-13 3495 Siskiyou ne slope Baldy Mountain trail to Clear Creek (western Siskiyou County); North Coast Ranges, ne slope Baldy Mtn. trail to Clear Cr 1828 Comment
  RSA79871  Penstemon speciosus F. W. Peirson 1923-7-19 3841 Siskiyou Near Bray. Comment
  UC1312906  Perideridia bolanderi subsp. bolanderi L. Constance and T. I. Chuang 1967-7-22 3801 Siskiyou 4 mi s Callahan (n slope of mt.); Scott Mountain 1371 Comment
  SEINET4855712  Perideridia leptocarpa Unknown 1966-6-15 3768 Siskiyou Above Trinity River 5 mi NW of Cecilville. 762 Comment
  UC1312872  Perideridia leptocarpa L. Constance, T. I. and Fei-Mei Chuang, M. Sousa S. 1966-6-15 3768 Siskiyou 5 mi nw Cecilville (w-facing slope above river); Trinity River; Trinity River, NW of Cecilville, Siskiyou Co. 762 Comment
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Mar 2 2015
  UC1390007  Perideridia leptocarpa T. I. Chuang, I. Fukuda, and A. Weston 1963-7-6 5881 Siskiyou 3 mi w Cecilville Comment
  UC1446414  Perideridia oregana Laura Witherspoon 1980-9-17 124 Siskiyou Oak Knoll Ranger District 762 Comment
  SEINET13944995 Image available Perideridia parishii W. J. Ferlatte 1966-1 371 Siskiyou Trinity Alps of northern California; Big Flat Hillside seep forming boggy meadow, between campground and S. Fork of the Salmon R., 5000 ft. T37N R9W SEC 18 1524 Comment
  CAS-BOT-BC330261  Petasites frigidus var. palmatus L. E. Smith 1915-4-25 s.n. Siskiyou Sisson Comment
  UCD77221  Phacelia cookei Robert E. Preston 1997-6-1 1038 Siskiyou in sandy flats 100 ft n of Hwy 97. 1402 Comment
  HSC68576  Phacelia corymbosa Maralyn A. Renner 1980-6-23 981 Siskiyou W Fork Seiad Creek 878 Comment
  JEPS52297  Phacelia dalesiana Wayne Roderick 1963-6-14 Siskiyou meadow just n Scott Mtn. pass (on road from Callahan to Trinity County communities) 1828 Comment
  JEPS76146  Phacelia dalesiana Susan Horner 1977-6-1 110 Siskiyou 4 mi ne Scott Mt. (trail from Robbers Meadows to Kangaroo Lake) Comment
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Jul 5 2017
  UCR70800  Phacelia dalesiana Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mtns., Shasta-Trinity National Forest, c. 15 air miles SW of Weed near Kangaroo Lake Campground 1875 Comment
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Jul 5 2017
  CDA40370  Phacelia greenei G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2646 Siskiyou Schoolhouse Hill, summit of Gazelle/Callahan Road, 11.3 km east of Callahan. Comment
  CHSC57430  Phacelia greenei L. P. Janeway 1984-6-22 867 Siskiyou Ca 1 mi north of Scott Summitt on Road 40N08. 1645 Comment
  HSC43870  Phacelia greenei Jennifer Whipple 1976-5-2 908 Siskiyou 915 Comment
  RSA106920  Phacelia greenei J. T. Howell 1952-6-14 s.n. Siskiyou East side of Scott Valley, 9.5 miles from Fort Jones on road to cllahan; elv. 2800 ft 854 Comment
  SFV3013  Phacelia greenei L. Constance, H. L. Mason, J. F. Davidson, J. M. Tucker 1947-5-17 3200 Siskiyou Summit of northwest spur of Scott Mountain. 1829 Comment
  HSC67835  Phacelia hastata J. O. Sawyer, J. Cole 1980-7-22 3920 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  SEINET5763832  Phacelia heterophylla G. D. Butler 1910-5-7 1300 Siskiyou Near Yreka Comment
  HSC77056  Phacelia heterophylla subsp. virgata K. T. Stillman 1976-8-7 187 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  CHSC725  Phacelia linearis V. Holt 1932-6-23 Siskiyou Lava beds NW of Shasta. Comment
  UC1069355  Phacelia linearis M. H. Mitchell 1936-5-14 19 Siskiyou Capt. Jack's Stronghold Modoc Lava Beds Natl Monument, Dorris Quadrangle 1554 Comment
  UC144629  Phacelia linearis A. A. Heller 1905-6-22 8089 Siskiyou Igerna Comment
  HSC19146  Phacelia mutabilis J. O. Sawyer 1969-7-9 1218 Siskiyou Along trail to Sugar Lake. 1768 Comment
  UC1426027  Phacelia mutabilis Frederick W. Oettinger 1968-8-16 546 Siskiyou on mountain due n Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area, High Lake 1981 Comment
  UC1212564  Phacelia mutabilis Francia Chisaki and Helen Sharsmith 1959-8-20 4731 Siskiyou rock outcrop on Carrigher's Summit Inner North Coast Ranges (divide between Scott River and East Fork Salmon River) 1981 Comment
  RSA602931  Phacelia procera Louis C. Wheeler 1958-8-21 7420 Siskiyou Siskiyou Mountains. Head of Hell's Canyon. Comment
  RSA0097453  Philadelphus lewisii Walter Wisura, J. Romero 1991-10-17 4594 Siskiyou 4.9 mi W of Gazelle along rd to Callahan. Comment
  HSC39779  Phlox adsurgens J. P. Smith, Steve Selva 1970-7-16 4398 Siskiyou Blue Mtn. Comment
  SJSU2560  Phlox adsurgens H. L. Buckalew 1962-7-7 Siskiyou junction of Indian Cr & W Branch Indian Cr, Siskiyou Mts 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
  HSC99790  Phlox diffusa G. L. Clifton, Griswold 1979-6-28 6110 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  POM255931  Phlox diffusa subsp. diffusa Marion Ownbey, Ruth Ownbey 1938-7-20 1762 Siskiyou Near Dry Lake Lookout, summit of the Siskiyou Mountains. Comment
  HSC46737  Phlox hirsuta William J. Ferlatte 1978-5-28 1904 Siskiyou NE of Yreka, .4 mi. E of I-5, .2 mi. N of Hwy. 3 on way to Montague 830 Comment
  CAS-BOT-BC294728  Phlox hirsuta Craig Martz 1985-5-22 225 Siskiyou State Route 3, 2.5 miles SW of Laura Ave. in vicinity of Red Gulch. CNDDB Occurrence no. 5. Yreka (Provisional 1984) Comment
  JEPS69984  Phlox speciosa subsp. occidentalis J. W. Kisling 1910-4-20 Siskiyou Edgewood Comment
  UC166047  Phoenicaulis cheiranthoides Geo. D. Butler 1910-5-7 1296 Siskiyou near Yreka Comment
  UC403987  Phoradendron libocedri Mrs. K. J. Stirring 1904-1 Siskiyou Etna Mills Comment
  CAS-BOT-BC56501  Phyllodoce empetriformis John Thomas Howell 1939-8-10 15266 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  UC917232  Phyllodoce empetriformis R. Tofsrud and J. M. Tucker 1948-8-2 1767 Siskiyou s slope of Mount Shasta, Panther Meadows Panther Meadows; Mount Shasta, Panther Meadows 2407 Comment
  CHSC1565  Physocarpus capitatus M. Yoder 1941-7-12 Siskiyou Castle Lake. 1981 Comment
  UC75157  Physocarpus capitatus Copeland 1903-9-6 3858 Siskiyou Mt Eddy Comment
  RSA237208  Picea engelmannii Frederick W. Oettinger 1967-6-27 126 Siskiyou West of Statue Creek near the point where the Music Creek logging road makes hairpin turn. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1756 Comment
  UC60967  Pinus albicaulis Geo. B. Grant 1902-9-1 5123 Siskiyou Horse Camp Mount Shasta, Horse Camp 2438 Comment
  CAS-BOT-BC73385  Pinus albicaulis G. A. Coleman 1901-8-16 s.n. Siskiyou Mt. Shasta, on rocky ridge near head of Paulters Creek. 2590 Comment
  UC1190165  Pinus attenuata Ira L. Wiggins 1955-7-24 13485 Siskiyou ridge betw. upper reaches of China Creek and Blind Horse Creek 1463 Comment
  UC70582  Pinus attenuata Mrs. Stirring May 1905 Siskiyou Etna Comment
  CAS-BOT-BC78409  Pinus balfouriana William R. Dudley 1899-8-24 s.n. Siskiyou summit of Craggy Peak 2438 Comment
  JEPS80562  Pinus balfouriana Gilbert Muth 1965-8-6 178 Siskiyou backside Black Mountain; , Marble Mt. Wilderness Area 2133 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-BC78716  Pinus jeffreyi W. R. Dudley 1901-8-26 s.n. Siskiyou Salmon Mountains Comment
  CAS-BOT-BC78778  Pinus lambertiana A. A. Heller 1915-8-26 12253 Siskiyou Metcalf's [ranch] Ranch at the foot of Mt. Eddy 1188 Comment
  HSC29670  Pinus lambertiana Frederick W. Oettinger 1968-9-3 686 Siskiyou Marble Mtn. Wilderness Area, near top of 'Rusty Ridge' where it grades into Frany Peak to the W of Horse Range Lake 2012 Comment
  HSC32594  Pinus lambertiana Steven Lagos 1974-5-26 88 Siskiyou Duck Lake Creek drainage, Bulk Collection # 62 1220 Comment
  HSC44630  Pinus lambertiana Jerome Peterson 1978-5-20 16 Siskiyou USFS Camp along Camp Three Rd., Bulk Collection # 131 Comment
  CAS-BOT-BC78959  Pinus monticola H. A. Thomas; J. H. Thomas 1954-7-24 4517 Siskiyou Salmon-Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  HSC69287  Pinus monticola Maralyn A. Renner 1980-7-24 1950 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  UC401400  Pinus monticola Geo. D. Butler 1908-8-5 521 Siskiyou Cold Springs, Woolly Creek, Cold Springs Comment
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Nov 25 2011
  UC401412  Pinus ponderosa Geo. D. Butler 1910-4-24 1237 Siskiyou Quartz Valley Comment
  SEINET8408406  Pinus sabiniana Frank Callahan 2006-1 Siskiyou forks of Salmon, South Fork. Comment
  UC166574  Piperia unalascensis Geo. D. Butler 1671 Siskiyou 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
  HSC68345  Plantago lanceolata J. P. Smith 1973-5-5 6432 Siskiyou Along Cook and Green Pass Rd. Comment
  RSA237615  Plantago lanceolata Frederick W. Oettinger 1967-8-3 239 Siskiyou Along Hancock Lake trail near the eastern most campsite along NW side of the Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  RSA237607  Plantago major Frederick W. Oettinger 1969-8-13 1359 Siskiyou Where stock are kept at English Lake main campsite. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  HSC69053  Platanthera dilatata var. leucostachys Maralyn A. Renner 1980-8-6 2310 Siskiyou Cracker Meadow 1555 Comment
  HSC35439  Platanthera dilatata var. leucostachys A. Montalvo, J. D. Ackerman 1975-7-18 583 Siskiyou S Fork Sacramento River, FS 40N30 1372 Comment
  UC14944  Platanthera leucostachys Harley P. Chandler 1901-6-1 1726 Siskiyou near Marble Mountain (North Coast Ranges); North Coast Ranges 1828 Comment
  HSC32019  Platanthera sparsiflora A. Montalvo, J. D. Ackerman 1974-7-2 348 Siskiyou Trailhead to Morgan Meadows, E slope of Mt. Eddy, W of Shasta City Comment
  HSC35288  Platanthera sparsiflora A. Montalvo, J. D. Ackerman 1974-7-2 354 Siskiyou Along road to Middle Fork Sacramento River and Toad Lake. West of Mt. Shasta City Comment
  RSA597980  Platanthera stricta Louis C. Wheeler 1963-8-29 8304 Siskiyou Siskiyou Mountains. Head of west fork Clear Creek. 1432 Comment
  UC224081  Plectritis brachystemon Dr. Edward Palmer Jul 13 1892-Jul 27 1892 2483 Siskiyou Mount Shasta and vicinity Mount Shasta Comment
  HSC43855  Plectritis macrocera Maralyn O'Meara 1974-5-25 378 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC68546  Plectritis macrocera Maralyn A. Renner 1980-6-7 781 Siskiyou N of Greenhorn Rd. 1098 Comment
  UC796534  Plectritis macrocera Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11827 Siskiyou 1 mi below summit of Gazelle Mountain (Gazelle-Callahan Road); Gazelle-Callahan Road 1219 Comment
  HSC65855  Pleuricospora fimbriolata Gail Newton 1980-6-20 544 Siskiyou Near Bald Mtn. 1326 Comment
  RSA239045  Poa annua Frederick W. Oettinger 1969-8-24 1529 Siskiyou English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  CAS-BOT-BC254783  Poa bolanderi A. A. Heller 1914-8-28 11736 Siskiyou On the E side of Mount Eddy 2438 Comment
  HSC30562  Poa bolanderi Frederick W. Oettinger 1969-9-2 1586 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow near Tom Taylor Cabin 2027 Comment
  UC39614 Image available Poa bolanderi Harley P. Chandler 1901-6-1 1703 Siskiyou near Marble Mountain (Shackleford Canyon); North Coast Ranges; Shackleford Canyon, near Marble Mt., Siskiyou Co. 1828 Comment
  CDA2381  Poa bulbosa T. C. Fuller 1958-6-19 1829 Siskiyou Railroad yard, Montague. 0 Comment
  UC820697  Poa bulbosa Louis C. Wheeler 1935-6-1 3536 Siskiyou Yreka Creek; Siskiyou Mts 853 Comment
  RSA0030867  Poa bulbosa Louis C. Wheeler 1935-6-1 3536 Siskiyou Yreka Creek, Siskiyou Mts., Mt. Diablo Meridian 853 Comment
  SEINET3123536 Image available Poa compressa P. M. Peterson 2006-1 Siskiyou 6.5 mi SW of Etna on Forest Service Rd1C-01 towards Etna Summit Comment
  SEINET7745170  Poa compressa E. Palmer 1892-1 2656 Siskiyou Near Mt. Shasta. Comment
  CDA2362  Poa pratensis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2634 Siskiyou Between highway and East Fork Scott River, 150 meters east of Highway 3 bridge, 3.2 km east of Callahan. Comment
  HSC34093  Poa pratensis J. O. Sawyer 1969-7-18 1433 Siskiyou SW facing slope above Deacon Lee Trail 2195 Comment
  UC1535351  Poa pratensis subsp. pratensis W. J. Ferlatte 1987-5-22 2107 Siskiyou ca 2.5 mi s Gazelle (e side of Old Hwy 99); Weed Quadrangle 902 Comment
  RSA238331  Poa pringlei Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1218 Siskiyou Crapo View Gap above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UCD91765  Poa pringlei Freed W. Hoffman 1950-7-13 3655 Siskiyou western side of Baldy Mountain. Comment
  UCD91769  Poa pringlei A. H. Murphy 1959-7-22 59 L Siskiyou Shasta National Forest. Summit between Bear Creek and Toad Lake. 2346 Comment
  UC167208  Poa rhizomata Geo. D. Butler 1910-4-21 1205 Siskiyou Oro Fino; ; Siskiyou Co. Comment
  SEINET10659353  Poa scabrella Louis C. Wheeler 1935-5-11 Wheeler 3478 Siskiyou Low, sunny, formerly wet site Klamath River at Ash Creek, Siskiyou County. S13, T46N, R7W. Mt. Diablo Mer. 610 Comment
  UC1132617  Poa secunda subsp. juncifolia H. S. Yates 1936-6-21 5823 Siskiyou 1 mi se Gazelle; Etna Quadrangle Comment
  HSC43815  Poa secunda subsp. secunda M. A. Baker 1977-5-22 326 Siskiyou N facing slope of hill just S of Whipple Ranch 976 Comment
  UC1265444  Poa secunda subsp. secunda Frederick W. Oettinger 1969-8-6 1223 Siskiyou s side Pine Lake; Salmon Mts, High Lake Basins, Harvey Monroe Hall Natural Are 1950 Comment
  UC196958  Poa secunda subsp. secunda Geo. D. Butler 1909-5-22 821 Siskiyou ditch bank near Yreka Yreka Comment
  CAS-BOT-BC243232  Poa secunda subsp. secunda A. A. Heller 1905-6-9 8007 Siskiyou About 1 mile E of Montague Comment
  SEINET7873919  Poa wheeleri G. D. Butler 1910-5-10 1318 Siskiyou Goosenest Foothills 1524 Comment
  SEINET5732309 Image available Polemonium californicum J. M. Tucker 1963-1 3725 Siskiyou In vicinity of Paradise Lake, at the base of Kings Castle on the east side, Marble Mountain Wilderness Area.; Paradise Lake 1981 Comment
  CAS-BOT-BC6419  Polemonium pulcherrimum Edwin Bingham Copeland 1903-7-16 s.n. Siskiyou Mt. Shasta 3169 Comment
  HSC19295  Polemonium pulcherrimum J. O. Sawyer 1969-7-7 1077 Siskiyou S facing ridge above Big Duck Lake 2226 Comment
  RSA237352  Polemonium pulcherrimum Frederick W. Oettinger 1967-7-8 165 Siskiyou South of Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  RSA749253  Polygala cornuta var. cornuta K. M. Meyer, A. Townesmith 2007-7-31 177 Siskiyou Shasta-Trinity National Forest, 6.2 mi on NF Rd. 17, off US Hwy 97. 1350 Comment
  CAS-BOT-BC170333  Polygala cornuta var. cornuta W. R. Dudley 1899-8-9 s.n. Siskiyou Below Upton, near Black Butte Comment
  RSA11904  Polygonum amphibium var. stipulaceum Elmer I. Applegate 1923-8-19 3892 Siskiyou Medicine Lake Comment
  HSC27096  Polygonum aviculare J. P. Smith, J. O. Sawyer 1972-9-14 5807 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  UC1045258  Polygonum aviculare subsp. aviculare W. Bridge Cooke 1940-8-2 15403 Siskiyou Bear Springs Meadow Mount Shasta (along road) Comment
  HSC17464  Polygonum aviculare var. angustissimum Geo. D. Butler 1908-8-28 190 Siskiyou Mining dump of L. Eastlick near Oro Fino Comment
  UC144332  Polygonum bistortoides E. B. Copeland 1903-4-7 3854 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC414602  Polygonum douglasii Geo. D. Butler 1910-7-9 1706 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC414603  Polygonum douglasii Doris K. Kildale 1928-7-4 5527 Siskiyou 1 1/2 miles east of summit of divide between Sawyers Bar & Etna Comment
  UC1026908  Polygonum douglasii subsp. spergulariiforme W. Bridge Cooke 1940-6-7 15107 Siskiyou along Pacific Hwy near Black Butte Comment
  UC164405  Polygonum lapathifolium Geo. D. Butler 1908-7-8 191 Siskiyou along creek near Yreka Comment
  CDA22791  Polygonum majus Vernon H. Oswald & Lowell Ahart 1998-6-11 9187 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  HSC30505  Polygonum minimum Frederick W. Oettinger 1969-8-14 1371 Siskiyou Marble Mtn. Wilderness Area, English Lake 1829 Comment
  CAS-BOT-BC420152  Polygonum ramosissimum subsp. ramosissimum Wm. Bridge Cooke 1940-8-2 15403 Siskiyou Mount Shasta. Along the road in Bear Springs meadow. Comment
  CHSC116260  Polygonum ramosissimum var. prolificum Barbara L. Wilson; Nick Otting 2014-6-16 18104 Siskiyou City of Weed. 1137 Comment
  UC1045290  Polygonum sawatchense subsp. oblivium W. Bridge Cooke 1940-6-6 15039 Siskiyou near Castle Lake Road (in meadow along creek) Comment
  CAS-BOT-BC109288  Polygonum shastense G. A. Coleman 1901-8-17 s.n. Siskiyou Mount Shasta. 2529 Comment
  CAS-BOT-BC421075  Polygonum spergulariiforme Louis C. Wheeler 1934-9-26 3303 Siskiyou Lumgrey Creek, Siskiyou Mts. 1005 Comment
  POM104534  Polygonum spergulariiforme Geo. D. Butler 189 Siskiyou Dry hills near Yreka. Comment
  POM212874  Polygonum spergulariiforme Louis C. Wheeler 1934-9-26 3303 Siskiyou Lumgrey Creek, Siskiyou Mts 1006 Comment
  CHSC91236  Polypogon monspeliensis Lowell Ahart; John Dittes 2005-6-9 12003 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
  HSC10848  Polypogon monspeliensis R. C. Wunner 1965-9-1 502 Siskiyou Lava Beds National Monument. NW boundary at end of dike. By shore of Tule Lake. Comment
  JEPS107672  Polypogon monspeliensis Lowell Ahart, John Dittes 2005-6-9 12003 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
  RSA237505  Polystichum imbricans Frederick W. Oettinger 1616 a Siskiyou The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area., On a west facing granitic rock slope just below that section of the English Peak - Hancock Lake trail that is due NNE of Ton's Lake. 2119 Comment
  RSA612747  Polystichum imbricans L. C. Wheeler 1935-4-16 3421 Siskiyou Soap Creek, Siskiyou Mountains. (Mt Diablo Mer.) 1585 Comment
  CAS-BOT-BC76732  Polystichum imbricans subsp. imbricans J. H. Thomas 1954-5-14 4176 Siskiyou Salmon Mountains, Klamath National Forest - near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, 1219 Comment
  CAS-BOT-BC76734  Polystichum imbricans subsp. imbricans Donald L. Branscomb 1958-7-1 s.n. Siskiyou Mount Shasta Comment
  CAS-BOT-BC72382  Polystichum lemmonii Louis C. Wheeler 1934-8-14 3137 Siskiyou North side White Mt., Siskiyou Mts. 1767 Comment
  CAS-BOT-BC72384  Polystichum lemmonii Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  SBBG27542  Polystichum lemmonii L. C. Wheeler 1934-8-14 3137 Siskiyou N side of White Mtn; Siskiyou Mtns 1767 Comment
  CAS-BOT-BC72376  Polystichum lemmonii Geo. D. Butler 1908-8-5 238 Siskiyou below Cold Spring, West Fork of Woolly Creek Comment
  RSA249714  Polystichum lemmonii Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mts., Shasta-Trinity National Forest: c. 15 air miles SW of Weed near Kangaroo Lake Campground in rock crevices of open schistose scree area. Comment
  SEINET11714690  Polystichum lemmonii Lemmon 1878-1 s.n. Siskiyou near Mt. Shasta Comment
  SEINET6409479  Polystichum lemmonii M. J. Williams 1967-9-2 s.n. Siskiyou Cabin Meadow 1829 Comment
  LA204821  Polystichum lonchitis Lawrence L. Kiefer; 1963-8-11 805 Siskiyou Kangaroo Lake (NE of Callahan), E side of lake 2133 Comment
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Oct 24 2014
  CAS-BOT-BC72396  Polystichum lonchitis L. R. Short 1933-9-10 76 Siskiyou Rogue River National Forest 1889 Comment
  RSA237509  Polystichum lonchitis Frederick W. Oettinger 1968-9-2 661 Siskiyou Above Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1875 Comment
  SEINET10929408  Polystichum munitum Melvin L. Conrad, Katherine L. Morris; Patricia L. Kenney 1973-6-3 Conrad 7017 Siskiyou Matthew's Creek Campground on S fork of Salmon River. 549 Comment
  SEINET3874527 Image available Polystichum munitum A. C. Smith 1970-6-14 3875 Siskiyou Road to Steinacher Creek near Somes Bar.; 0 Comment
  CAS-BOT-BC72501  Polystichum scopulinum W. R. Maxon 1939-7-26 13744 Siskiyou above Panther Creek Meadows 2743 Comment
  UC726141  Porterella carnosula A. A. Heller 1940-7-23 15758 Siskiyou on U.S. Highway #97 Grass Lake 1561 Comment
  CHSC71497  Potentilla biennis Vernon H. Oswald; Lowell Ahart 1998-7-21 9341 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
  UC1607562  Potentilla breweri Barbara Ertter with Julie Kierstead and Jim Nelson 1990-7-15 9360 Siskiyou Morgan Meadow on E side of Mt Eddy ca 5 air miles due W of Mt. Shasta City. 1676 Comment
  RSA237619  Potentilla drummondii Frederick W. Oettinger 1967-7-26 188 Siskiyou Stream bank just below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 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
  HSC18931  Potentilla flabellifolia J. O. Sawyer 1969-8-4 1820 Siskiyou Above Sugar Lake 2134 Comment
  HSC23695  Potentilla flabellifolia J. O. Sawyer 1969-8-5 1739 Siskiyou W of Little Duck Lake 2073 Comment
  CAS-BOT-BC143254  Potentilla flabellifolia H. A. Thomas; J. H. Thomas 1954-7-24 4494 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC540565  Potentilla gracilis var. fastigiata L. E. Smith 1914-6-24 721 Siskiyou Sisson Comment
  RSA211183  Potentilla gracilis var. fastigiata William J. Ferlatte 1966-8-3 260 Siskiyou Mountain Meadow ranch, weedy area around buildings. 1524 Comment
  JEPS104991  Potentilla millefolia Dean W. Taylor 1996-7-27 15863 Siskiyou Grass Lake (about 15 air mi NE of Weed); Klamath National Forest; Modoc Plateau region 1524 Comment
  UCR142893  Potentilla millefolia L. C. Wheeler 1935-6-23 3590 Siskiyou Shasta River, 2 mi NW Montague 762 Comment
  CAS-BOT-BC158530  Potentilla millefolia A. A. Heller 1921-7-7 13570 Siskiyou Along Wagon Creek on Mt. Eddy 1981 Comment
  HSC65492  Prosartes hookeri R. White 1977-7-21 124 Siskiyou Slope below outlet of Raspberry Lake. 1512 Comment
  HSC60  Prunella vulgaris subsp. lanceolata William J. Ferlatte 1966-6-23 143 Siskiyou Big Flat, between campground and S Fork of the Salmon River 1524 Comment
  JEPS124566 Image available Prunella vulgaris subsp. lanceolata Michael Fleschner 1965-7-14 1965 -141 Siskiyou 4 miles west of Deadhouse summit HWY 89. Comment
  CAS-BOT-BC158245  Prunus emarginata K. T. Stillman 1976-6-25 95 Siskiyou Marble Mountain Wilderness Area. Between Marble Gap & Elk Valley trail Comment
  POM339722  Prunus emarginata F. R. Fosberg 1969-8-16 51431 Siskiyou McCloud Comment
  UC719804  Prunus emarginata Rogers McVaugh 1941-8-4 6231 Siskiyou 1 mi s of Mount Shasta City Comment
  CAS-BOT-BC158225  Prunus emarginata W. R. Dudley 1901-8-25 s.n. Siskiyou Near 14 mile Post, Salmon Creek, Salmon Mts. Comment
  SEINET10874318  Prunus emarginata David B. Dunn 1971-8-15 Dunn 18142 Siskiyou 0.5 mile e of mccloud ranger station on mwy 89. Yellow pine forest. Fruit Scarlet Comment
  CAS-BOT-BC154678  Prunus subcordata Wm. Bridge Cooke 1938-8-5 11437 Siskiyou [MacBride] McBride Spring Road Comment
  POM88254  Prunus subcordata Geo. D. Butler 1909-4-14 644 Siskiyou Humbug divide. Comment
  CAS-BOT-BC151236  Prunus virginiana var. demissa C. Hart Merriam 1919-9-24 s.n. Siskiyou Ager Comment
  HSC27240  Prunus virginiana var. demissa J. P. Smith, J. O. Sawyer 1971-9-18 4810 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  HSC76874  Prunus virginiana var. demissa K. T. Stillman 1976-6-26 136 Siskiyou Marble Mtn. Wilderness Area, Kings Castle 2134 Comment
  CAS-BOT-BC357408  Pseudognaphalium microcephalum A. A. Heller 1914-8-25 11702 Siskiyou Near Deetz station near/opposite Black Butte 1158 Comment
  CAS-BOT-BC357577  Pseudognaphalium stramineum Carl B. Wolf 1927-8-26 1061 Siskiyou On the Klamath River, 3 mi. below Gottville Comment
  HSC27788  Pseudognaphalium thermale J. P. Smith, J. O. Sawyer 1972-9-13 5785 Siskiyou 0.5 mi. W of Cook and Green Pass on road to Lily Pad Lake Comment
  JEPS20446  Pseudognaphalium thermale Willis L. Jepson Jul 24 1894-Aug 10 1894 14742 Siskiyou near Muir Peak; upper Sacramento, Black Butte Comment
  UC896906  Pseudognaphalium thermale Alice Eastwood 1912-7-21 1297 Siskiyou Sisson Comment
  UCD135254  Pseudognaphalium thermale J. P. Smith 1972-9-13 5785 Siskiyou 1/2 mile west of Cook and Green Pass on road to Lily Pad Lake. Comment
  CAS-BOT-BC239810  Pseudoroegneria spicata David D. Keck 1949-7-19 6354 Siskiyou 6.5 mi SW of Yreka on road to Ft. Jones, nr. head of Yreka Creek 1127 Comment
  SEINET10960001  Pseudoroegneria spicata Edwin B. Copel 1903-7-4 Copeland 3542 Siskiyou The Pacific Coast. Klamathon. Small tufts on very arid hills. Comment
  HSC36941  Pseudotsuga menziesii var. menziesii J. P. Smith 1974-5-26 7562 Siskiyou Along FS Rd. 47N03 1524 Comment
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Feb 26 2013
  UC71481  Pteridium aquilinum var. pubescens W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson; Mt. Shasta Comment
  CHSC71481  Pterospora andromedea Vernon H. Oswald 1998-7-21 9328 Siskiyou Hwy. 97 between Weed and Macdoel at the east end of Grass Lake. 1524 Comment
  CAS-BOT-BC460552  Pterospora andromedea Gilbert Muth 1966-7-29 464 Siskiyou Marble Valley, by waterfall, Marble Mts. 1828 Comment
  CDA38858  Pterospora andromedea J. R. Grisham 1962-7-26 s.n. Siskiyou Near Medicine Lake. 0 Comment
  SEINET193347  Pteryxia terebinthina var. californica Lincoln Constance, Reed C. Rollins 1942-5-14 2924 Siskiyou Road to Walker Post Office 4 miles west of Yerka. 1219 Comment
  UC1540180  Puccinellia nuttalliana Dean W. Taylor 1987-8-9 9290 Siskiyou 8.3 mi w Highway 139 (along Highway 161 (Oregon border)); Lower Klamath National Wildlife Refuge 1249 Comment
  CAS-BOT-BC147910  Purshia tridentata var. tridentata S. Saufferer 1973-5-25 230 Siskiyou About 2 mi. northeast of Weed along Highway #97 Comment
  POM203179  Purshia tridentata var. tridentata L. S. Rose 1934-4-20 34228 Siskiyou Shasta River. NE of Yreka. Comment
  POM215864  Purshia tridentata var. tridentata Louis C. Wheeler 1935-6-13 3571 Siskiyou Mill Creek. Quartz Valley. 945 Comment
  SBBG27211  Purshia tridentata var. tridentata C. B. Wolf 1941-7-26 Siskiyou SW end of Little Shasta Valley, 12 mi NE of Weed on US Hwy 97 at jct with rd to Montague Comment
  UC618727  Purshia tridentata var. tridentata unknown 1938-6-24 11100 Siskiyou Sisson Southern Trail; Mount Shasta Comment
  UC73074  Purshia tridentata var. tridentata Milo S. Baker Jun 1896 123 Siskiyou 15 mi w Bartles (Sissons Road) Comment
  JEPS19283  Pycnanthemum californicum Willis L. Jepson Jul 24 1894-Aug 10 1894 14895 Siskiyou near Sissons (Region of the Upper Sacramento); Upper Sacramento Region, near Sissons Comment
  HSC27719  Pyrola aphylla Carl W. Mize 1972-6-8 20 Siskiyou Along the main trail 351 Comment
  JEPS58856  Pyrola asarifolia Willis L. Jepson 1894-8-4 14665 Siskiyou Mt. Shasta Comment
  UC1408766  Pyrola asarifolia Frederick W. Oettinger 1968-8-7 441 Siskiyou The High Lake Basins in the Vicinity of English Peak Marble Mountain Willderness Area, Tabacco Lake 1889 Comment
  HSC23584  Pyrola asarifolia subsp. asarifolia J. O. Sawyer 1970-7-3 2312 Siskiyou W of camp 3 1524 Comment
  POM77545  Pyrola californica Geo D. Butler 1910-7-9 1698 Siskiyou Shackleford Creek. 1220 Comment
  RSA68910  Pyrola californica A. E. Culbertson 1943-8-5 48 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. with 10 air miles of its headwaters to the west. Comment
  UC2062587  Pyrola dentata Belinda Lo with Alex Randolph-Lowe 2017-8-25 361 Siskiyou SISKIYOU COUNTY: Ash Creek Butte, southwest of Surprise Lake. Comment
  CAS-BOT-BC462807  Pyrola dentata L. N. Lorenzen no date on label 28679 Siskiyou Shasta Forest, Tamarack Springs 1676 Comment
  SEINET8218484  Pyrola dentata Fred W. Hoffman 1948-7-8 2601 Siskiyou north of West Branch Camp; Waldo-Happy Camp Road. Comment
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May 8 2018
  UCD77971  Pyrola picta Robert E. Preston 2001-7-20 1676 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W se 1/4 of ne 1/4 Section 14 1688 Comment
  CAS-BOT-BC466126  Pyrola picta Elmer I. Applegate 1896-5-29 940 Siskiyou Sisson Comment
  CAS-BOT-BC466129  Pyrola picta Alice Eastwood 1921-7-24 10800 Siskiyou Castle Lake Comment
  CAS-BOT-BC466137  Pyrola picta L. B. Kildale 1930-6-1 9783 Siskiyou Black Bear Trail to Sawyers Bar 609 Comment
  CAS-BOT-BC466146  Pyrola picta Lester Rowntree 1937-8-8 s.n. Siskiyou Happy Camp Road Comment
  CAS-BOT-BC466149  Pyrola picta H. A. Thomas; J. H. Thomas 1954-7-21 4419 Siskiyou Salmon-Trinity Mts. About 6 mi SE of Cecilville. West side of Rush Creek. 1219 Comment
  UC138183  Pyrrocoma carthamoides var. cusickii J. W. Congdon 1900-8-18 Siskiyou Castle Lake Trail, Shasta Region Comment
  HSC100792  Pyrrocoma lanceolata var. lanceolata Lowell Ahart, John Dittes 2010-7-30 16969 Siskiyou Shasta Springs Ranch, 2.6 (air) mi. NW of Big Springs Lake, 3.9 (air) mi. SE of Grenada, 6.3 (air) mi. NW of Dwinnel Dam. 779 Comment
  UC1282019  Pyrrocoma racemosa var. pinetorum Louise Kellogg Aug 8 1953-Aug 9 1953 119 Siskiyou Scott Mountain Public Campground Scott Mountains, Klamath National Forest 1630 Comment
  JEPS37854  Quercus chrysolepis Geo. D. Butler 1908-12-1 548 Siskiyou Kidder Creek Comment
  RSA13914  Quercus chrysolepis var. nana Louis C. Wheeler 1934-9-4 3242 Siskiyou Bear Creek off West Fork Beaver Creek. 1372 Comment
  CAS-BOT-BC62762  Quercus garryana var. breweri Doris K. Kildale 1929-7-20 8626 Siskiyou trail along South Fork Indian Creek to Elk Lick Comment
  CAS-BOT-BC62764  Quercus garryana var. breweri H. E. Brown 1897-7-15 597 Siskiyou on the south side of Mt. Shasta 3048 Comment
  UCSB1173  Quercus garryana var. breweri Muller, Cornelius 1954-6-24 Siskiyou 10.7 mi. SW of Etna, Summit of Salmon Mt. pass, 10 mi. NE of Idyllwild 1798 Comment
  CAS-BOT-BC105102  Quercus kelloggii Copeland 1933-7-14 3521 Siskiyou Klamathon Comment
  CAS-BOT-BC105475  Quercus kelloggii Geo. D. Butler 1910-4-16 1183 Siskiyou Klamath River Comment
  POM166670  Quercus kelloggii E. B. Copeland 1903-7-14 3521 Siskiyou Klamathon. Comment
  CAS-BOT-BC104343  Quercus sadleriana Marion Ownbey; Fred G. Meyer 1940-7-8 2230 Siskiyou Near summit of Siskiyou Mountains, 20 miles N of Happy Camp Comment
  CAS-BOT-BC104350  Quercus sadleriana Doris K. Kildale 1929-6-20 8613 Siskiyou East spur of Preston Peak above Rockefeller Lake 2133 Comment
  CHSC91794  Quercus sadleriana G. F. Hrusa 2001-6-6 15853 Siskiyou Siskiyou Mountains. Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. Roadside. UTM: 10T, 4649821 N, 0456023 E. 1424 Comment
  HSC61936  Quercus sadleriana Ruby Van Deventer 1959-7-10 Siskiyou Poker Flat 1585 Comment
  JEPS27149  Quercus sadleriana Lauramay T. Dempster 1961-7-1 1831 Siskiyou s slope White Mountain Comment
  UC1212136  Quercus sadleriana Reino Alava, Aloha Alava, and Rimo Bacigalupi 1958-9-3 2454 Siskiyou at the junction of the road to Poker Flat and the road from Happy Camp to Takilma 1376 Comment
  UCD47259  Quercus sadleriana John M. Tucker 1972-8-8 4247 A Siskiyou (Q. garryana Hook. var. breweri (Engelm.) Jepson). California, Siskiyou Co.; Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 mi. west-southwest of Marble Valley Guard Station (extreme southeast corner of Section 20, R.11W., T.42N. 1828 Comment
  SEINET12029178  Quercus sadleriana S. L. Holloway 1963-1 77 Siskiyou jct Red Rock Valley Trail and Canyon Creek trail, Marble Mountain Wilderness Area Comment
  HSC19217  Quercus vacciniifolia J. O. Sawyer 1968-6-25 330 Siskiyou 1646 Comment
  HSC68525  Quercus vacciniifolia Maralyn A. Renner 1980-6-23 999 Siskiyou W Fork Seiad Creek 878 Comment
  UC338544  Quercus vacciniifolia unknown 1889-9-7 Siskiyou near Sisson's; Mt. Eddy Comment
  UC637076  Quercus vacciniifolia Edward Lee 1934-8-13 1066 Siskiyou Happy Camp to Waldo (Oregon) road (watershed of West Branch of Indian Creek); Klamath National Forest, West Branch of Indian Creek 1371 Comment
  UCR222479  Quercus vacciniifolia R. F. Thorne 1969-8-2 63399 B Siskiyou Klamath Ranges Region; Salmon Mountains, Klamath National Forest, Marble Mountain Wilderness Area, trail to English Peak [along N fork of Salmon River] 1159 Comment
  SEINET10437620  Quercus vacciniifolia G. D. Butler 1910-7-12 1760 Siskiyou Shackleford Creek. 1372 Comment
  JEPS75772  Raillardella pringlei Susan Horner 1976-10-5 49 Siskiyou along stream draining out of Toad Lake 2072 Comment
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Oct 13 2011
  CAS-BOT-BC380409  Ranunculus alismifolius var. hartwegii Elmer I. Applegate 1931-6-24 6808 Siskiyou west side of Medicine Lake 1981 Comment
  CAS-BOT-BC380415  Ranunculus alismifolius var. hartwegii Dorothy Parker 1946-6-12 136 Siskiyou along marshy edges of Middle Boulder Lake 488 Comment
  UC61079  Ranunculus aquatilis var. capillaceus W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
  JEPS55058  Ranunculus aquatilis var. capillaceus W. L. Jepson 1894-1 Siskiyou Edgewood to Sissons (near Stage road) Comment
  RSA399378  Ranunculus aquatilis var. capillaceus M. B. Dunkle 1929-8-26 2337 Siskiyou Golden Trout Creek. 2744 Comment
  JEPS55076  Ranunculus flammula W. L. Jepson 1894-1 Siskiyou near Muir's Peak; Sisson Comment
  UC454030  Ranunculus occidentalis I. J. Condit 1911-7-7 Siskiyou Dunsmuir; old logging road 914 Comment
  UC827920  Ranunculus occidentalis A. A. Heller 1915-7-18 12118 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  HSC36926  Ranunculus occidentalis var. occidentalis J. P. Smith 1974-5-26 7591 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  HSC46228  Ranunculus occidentalis var. occidentalis Jennifer Whipple 1978-6-5 2339 Siskiyou Weston Gulch in Scott Valley 854 Comment
  UC796607  Ranunculus orthorhynchus var. orthorhynchus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11820 Siskiyou Parker Ranch Plowman's (Noyes) Valley, e. fork of Scott River Drainage 1203 Comment
  HSC58897  Ranunculus populago Marvin Butler 1971-7-6 37 Siskiyou Near El Capitan, close to Cave Junction 1524 Comment
  POM311435  Ranunculus repens D. E. Breedlove 1962-6-10 3330 Siskiyou N bank of the Klamath River at its jct with Goff Creek, 4.5 miles W of Seiad. 412 Comment
  RSA176792  Ranunculus testiculatus Peter H. Raven 1963-5-19 18400 Siskiyou Sagebrush covered flats just S of California State line on Hwy 97, N of Mcdoel Comment
  RSA12076  Rhamnus purshiana Louis C. Wheeler 1934-11-7 3360 Siskiyou Siskiyou Mountains: Gottville, Klamath River. 567 Comment
  LA40926  Rhododendron columbianum Martha Hilend; 1931-8-6 799 Siskiyou near Moraine Lake, Ledum Comment
  HSC7889  Rhododendron occidentale var. paludosum Dorothy Parker 1949-6-6 Siskiyou French Creek, Salmon Mtns. 1372 Comment
  CAS-BOT-BC200670  Rhus aromatica L. P. Janeway 1984-6-21 859 Siskiyou Garvey Bar, south side Klamath River just east of Humbug Point 594 Comment
  CAS-BOT-BC200744  Rhus aromatica Mrs. H. C. Cantelow 1936-5-20 1463 Siskiyou Cottonwood Creek, near Oregon line Comment
  CDA35348  Rhus trilobata Vernon H. Oswald & Lowell Ahart 1998-6-11 9173 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  CAS-BOT-BC92529  Ribes binominatum Doris K. Kildale 1928-7-2 5406 Siskiyou Salmon Summit via Horn Creek Trail. 1981 Comment
  CAS-BOT-BC108778  Ribes cereum Louis C. Wheeler 1934-6-29 2825 Siskiyou Siskiyou Mountains. Soda Creek, Sterling Mountain. 1280 Comment
  CAS-BOT-BC168870  Ribes inerme var. klamathense E. Bethel 1923-6-20 1053 Siskiyou Weed Comment
  JEPS49411  Ribes inerme var. klamathense W. L. Jepson July, 1894 13509 Siskiyou Sisson Comment
  RSA0021098  Ribes inerme var. klamathense Louis C. Wheeler 1935-4-13 3414 Siskiyou By creek. Seiad, Klamath River. 427 Comment
  HSC19428  Ribes lacustre J. O. Sawyer 1968-6-18 210 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  HSC34131  Ribes lacustre J. O. Sawyer 1969-7-23 1177 Siskiyou Along Horse Range Creek 1555 Comment
  CAS-BOT-BC173380  Ribes lobbii Doris K. Kildale 1928-8-18 6436 Siskiyou Near head of north fork of Salmon River at Finley's Upper Camp 1524 Comment
  HSC65646  Ribes lobbii J. P. Smith 1976-5-21 8777 Siskiyou Klamath National Forest, FS Rd. 40N08, 12.3 mi. from its junction with Hwy. 3 1220 Comment
  LA97625  Ribes lobbii J. M. Tucker; 1974-7-28 4324 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area, adjacent to camp 1462 Comment
  RSA0021624  Ribes lobbii Roxana S. Ferris, Laura Lorraine 1948-6-12 11773 Siskiyou About 7 miles from Etna on forks of Salmon Road. 1819 Comment
  SJSU6064  Ribes lobbii R. W. Trivelpiece 1971-6-9 26 Siskiyou near Deadman Peak c. 8 mi E of Cecilville, Salmon R Mts 1432 Comment
  CAS-BOT-BC219260  Ribes nevadense John Thomas Howell 1937-7-26 13528 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  RSA0022720  Ribes nevadense var. glaucescens J. T. Howell 1937-7-26 13528 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  SFV1618  Ribes roezlii J. Major 1961-7-14 634 Siskiyou Mount Shasta, Panther Creek. 1790 Comment
  CAS-BOT-BC198873  Ribes roezlii var. amictum L. E. Smith 1913-6-18 377 Siskiyou Castle Creek Comment
  RSA0024602  Ribes roezlii var. cruentum Geo. D. Butler 1909-7-23 780 Siskiyou [No location information on label.] Comment
  CAS-BOT-BC186290  Ribes roezlii var. roezlii Laura M. Lathrop 1903-7-22 s.n. Siskiyou Shasta Retreat Comment
  UCD102486  Ribes sanguineum T. H. Harris 1951-6-1 s.n. Siskiyou Indian Creek Basin, Happy Camp. 1524 Comment
  CAS-BOT-BC144510  Ribes sanguineum var. sanguineum Roxana S. Ferris; Laura Lorraine 1948-6-12 11775 Siskiyou About 5.5 miles from Etna on Forks of Salmon Road Comment
  HSC48270  Ribes sanguineum var. sanguineum K. T. Stillman, P. Stekel May 1977 511 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  HSC69389  Ribes sanguineum var. sanguineum Maralyn A. Renner 1980-8-31 2661 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  CHSC36158  Ribes velutinum K. Bridwell 1978-4-14 86 Siskiyou Along Klamath River, ca. 4 mi s of Hornbrook. 670 Comment
  JEPS49263  Ribes velutinum J. W. Kisling 1910-1 Siskiyou Edgewood Comment
  UC165920  Ribes velutinum Geo. D. Butler 1910-3-13 1128 Siskiyou Klamath hills Comment
  UCD169264  Ribes velutinum T. Bruchman 1978-7-1 184 Siskiyou Tule Lake National Wildlife Refuge, along Hill Road. Comment
  CAS-BOT-BC168790  Ribes viscosissimum Harley P. Chandler 1901-6-1 1597 Siskiyou Ridges and meadows near Marble Mountain 2133 Comment
  CAS-BOT-BC168808  Ribes viscosissimum John Thomas Howell 1937-7-25 13462 Siskiyou Caribou Basin, Salmon-Trinity Alps 2133 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
  SEINET13942870 Image available Ribes viscosissimum W. M. Bridge Cooke 1941-1 16278 Siskiyou around source of MacBride Springs, Mt. Shasta elv 5000 Comment
  UC163901  Rigiopappus leptocladus Geo. D. Butler 1909-6-10 800 Siskiyou near Yreka Comment
  UC375408  Robinia pseudoacacia Geo. D. Butler 1908-7-20 1041 Siskiyou near Yreka Comment
  CAS-BOT-BC482447  Romanzoffia sitchensis Dana York 2011-8-13 3056 Siskiyou Marble Mountain Wilderness, Klamath National Forest, NE-facing slope of Marble Mountain 2045 Comment
  UC1409439  Rorippa Frederick W. Oettinger 1969-7-29 1096 Siskiyou high lake basins in the vicinity English Peak (Drying area, Dry Lake, western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 1889 Comment
  UCD77975  Rorippa columbiae Robert E. Preston 2000-8-16 1434 Siskiyou Dry Lake, ca. 2.15 mi sw of Toad Mountain, T41N R2E sw 1/4 Section 18 1423 Comment
  UCD115289  Rorippa curvisiliqua Robert E. Preston 1985-6-17 520 Siskiyou Camp Creek, 200 yards from its confluence with Irongate Reservoir. 701 Comment
  UC1871389  Rosa Barbara Ertter 2006-7-30 18747 a Siskiyou E edge of Shasta Valley ca 15 air mi E of Yreka, Little Shasta River crossing on Harry Cash Road. Comment
  CAS-BOT-BC146762  Rosa gymnocarpa Alice Eastwood 1917-9-2 6678 Siskiyou Shasta Springs Comment
  HSC19388  Rosa gymnocarpa J. O. Sawyer 1968-9-10 679 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  HSC23474  Rosa gymnocarpa J. O. Sawyer 1968-6-18 182 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC36725  Rosa gymnocarpa Brent Whitely 1975-6-23 44 Siskiyou 223 Comment
  POM365833  Rosa gymnocarpa M. B. Dunkle 1944-6-25 9028 Siskiyou Siskiyou National Forest. 1677 Comment
  RSA597961  Rosa gymnocarpa Louis C. Wheeler 1963-9-3 8341 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
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Apr 8 2015
  SEINET7665504  Rosa gymnocarpa G. D. Butler 1910-8-7 1816 Siskiyou Humbug Mt. 1219 Comment
  UC2046562  Rosa gymnocarpa William J. Ferlatte 1974-7-13 1512 Siskiyou south side of South Fork of Salmon River between Big Flat and the falls Comment
  CAS-BOT-BC147065  Rosa pisocarpa Joseph P. Tracy 1949-9-16 18565 Siskiyou Scott Mt. near summit on road from Scott Valley to Trinity Center 1615 Comment
  UC1045314  Rosa pisocarpa W. Bridge Cooke 1940-6-20 15172 Siskiyou Klamath River near the Pacific Highway below Hornbrook 609 Comment
  UC1871385  Rosa pisocarpa Barbara Ertter 2006-7-30 18742 Siskiyou S of Juanita Lake in mountains between Shasta and Butte valleys, 2.2 mi N of intersection with Little Shasta Road. 1584 Comment
  UC329938  Rosa pisocarpa unknown Sept. 1889 Siskiyou Sisson's Meadows Comment
  CAS-BOT-BC147141  Rubus glaucifolius D. K. Noyes 1911-9-29 22 Siskiyou Klamath National Forest Comment
  HSC99744  Rubus laciniatus C. B. Wolf 1927-8-27 1115 Siskiyou Klamath River at Happy Camp. Comment
  HSC48288  Rubus lasiococcus J. O. Sawyer, K. Stillman 1978-7-6 3297 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  UC637066  Rubus leucodermis Edward Lee 1934-8-15 1133 Siskiyou near Summit of Happy Camp to Waldo (Oregon) road, Indian Creek watershed, Klamath National Forest 1584 Comment
  CAS-BOT-BC147316  Rubus parviflorus H. A. Thomas; J. H. Thomas 1954-7-23 4463 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Vicinity of Blind Horse Creek 1036 Comment
  HSC99747  Rubus parviflorus Carl W. Mize 1972-6-22 93 Siskiyou Cut bank 1 1/2 mi. from Offield Lookout 854 Comment
  JEPS11910  Rudbeckia klamathensis Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-12 4789 Siskiyou 4 mi below summit of road and Del Norte - Siskiyou Co. line (along Happy Camp-Takilma road, upper reaches of Indian Creek Canyon, nw corner Siskiyou County); Indian Creek Canyon 1005 Comment
  HSC28668  Rumex acetosella Frederick W. Oettinger 1967-8-13 259 Siskiyou Salmon Mountains; High Lake Basins in the vicinity of English Peak, Marble Mountains Wilderness Area, SE of Tom Taylor Cabin 2043 Comment
  RSA184722  Rumex acetosella Gilbert Muth 1966-7-18 412 Siskiyou Marble Gap Trail, Meadow above Marble Valley, Marble Mtns. 1829 Comment
  SEINET4903549  Rumex acetosella Jack Seely 1991-6-3 s.n. Siskiyou Klamath National Forest, Gordon's Ferry. Comment
  UC163673  Rumex crispus Geo. D. Butler 1909-6-5 971 Siskiyou creek near Yreka Comment
  SJSU15092  Rumex fueginus C. W. Sharsmith 1992-9-17 9244 Siskiyou Stateline Rd, Klamath Wildlife Refuge, Lower Klamath L 1225 Comment
  RSA210801  Ruppia cirrhosa Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39035 Siskiyou Along Highway 161 at north edge of White Lake, 13.5 miles east of junction of Highways 97 and 161. 1280 Comment
  SEINET10612171  Sabina occidentalis A. Arthur Heller 1938-7-12 Heller 15262 Siskiyou About 2 miles north of Bray, scattered among the sagebrush, in the Upper Sonoran Life Zone. It is one of the index plants for this zone here. Comment
  CDA33462  Sagina procumbens Ken Burbank 2010-7-9 PDR# 1414044 Siskiyou Weed; Weed Golf Course. 0 Comment
  CAS-BOT-BC445721  Sagittaria latifolia L. E. Smith 1913-9-14 s.n. Siskiyou Mt. Eddy Comment
  HSC22278  Salix eastwoodiae J. O. Sawyer 1969-7-24 1481 Siskiyou SW slope above Sugar Lake 1890 Comment
  HSC33924  Salix eastwoodiae J. O. Sawyer 1968-7-10 501 Siskiyou Along S Sugar Creek 1982 Comment
  HSC34135  Salix eastwoodiae J. O. Sawyer 1969-8-4 1915 Siskiyou Headwaters of S Sugar Creek. 2043 Comment
  UC846308  Salix eastwoodiae John Thomas Howell 1939-8-5 15078 Siskiyou Spirit Lake; Marble Mts. Comment
  POM123883  Salix exigua L. R. Abrams 1922-8-7 9903 Siskiyou Klamath River. 6 miles below Harnbrook. Comment
  UC1045276  Salix exigua var. hindsiana W. Bridge Cooke 1940-6-20 15156 Siskiyou along Pacific Hwy. in Klamath River gorge Klamath R. gorge 609 Comment
  CAS-BOT-BC125450  Salix lasiandra var. lasiandra L. E. Smith 1913-4-14 629 Siskiyou Weed Comment
  JEPS80664  Salix lasiandra var. lasiandra W. B. and V. G. Cooke 1977-9-22 54823 Siskiyou near Deter Camp Mt. Shasta Comment
  UCD111542  Salix lasiandra var. lasiandra Beecher Crampton 1969-6-19 8474 Siskiyou 1 mile north of Edgewood along the Shasta River. Comment
  CAS-BOT-BC124539  Salix lasiolepis var. lasiolepis Gordon H. True 1968-8-6 4578 Siskiyou Ca. 1.5 miles north of Dunsmuir 807 Comment
  CHSC9686  Salix lemmonii E. L. Smith 1971-8-20 1058 Siskiyou At Mt. Shasta City. 1085 Comment
  POM107036  Salix lucida subsp. lasiandra Geo. D. Butler 1910-3-29 1149 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC125684  Salix melanopsis Doris K. Kildale 1928-8-18 6416 Siskiyou North Fork of Salmon River at Finley Camp Comment
  CAS-BOT-BC126159  Salix scouleriana L. E. Smith 1914-3-17 575 Siskiyou Sisson Comment
  CAS-BOT-BC129036  Salix scouleriana Mrs. H. P. Bracelin 1931-6-19 435 Siskiyou North base of Mount Eddy, east of Metcalf ranch house, about 10 km. northwest of Shasta City 1080 Comment
  HSC65537  Salix scouleriana R. White 1977-7-8 117 Siskiyou 1/4 mi. SE of creek crossing with trail to Devil's Punchbowl 1372 Comment
  RSA612549  Salix scouleriana Louis C. Wheeler 1935-7-26 3722 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  HSC91169  Salix sitchensis Jennifer Whipple 1976-7-24 1540 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC220802  Salvia dorrii var. dorrii Elmer I. Applegate 1935-6-2 9283 Siskiyou Indian Well, Lava Beds National Monument Comment
  UC60941  Sambucus mexicana Geo. B. Grant September, 1902 5243 Siskiyou Shasta Springs Mount Shasta 609 Comment
  RSA238832  Sambucus microbotrys Frederick W. Oettinger 1968-8-6 423 Siskiyou Along lake trail on the southeast side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  HSC58855  Sambucus nigra subsp. caerulea Marvin Butler 1971-1 241 Siskiyou Near Copper Mtn., close to the town of Cave Junction. 1464 Comment
  CAS-BOT-BC236482  Sambucus racemosa subsp. racemosa Doris K. Kildale 1928-7-2 5414 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  UCR66580  Sanguisorba annua L. C. Wheeler 1934-6-22 2758 Siskiyou Siskiyou Mtns., Cottonwood Creek 915 Comment
  HSC61602  Sanicula graveolens Ruby Van Deventer 6 Jun [year missing] Siskiyou Lookout Mountain 1768 Comment
  SD79816  Saponaria officinalis Helen V. Witham 1969-10-7 580 Siskiyou Along Scott River. 500 Comment
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Jul 10 2010
  UC991120  Saponaria officinalis J. M. Tucker 1950-7-24 1947 Siskiyou lot beside Highway 99 on the outskirts Mount Shasta town; town of Mount Shasta Comment
  UC1034050  Saxifraga aprica W. Bridge Cooke 1941-8-28 16255 Siskiyou tributary of Squaw Valley Creek (Mount Shasta); Mount Shasta 2286 Comment
  RSA238318  Saxifraga ferruginea Frederick W. Oettinger 1968-8-1 337 Siskiyou South side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  SEINET3411941 Image available Saxifraga fragarioides C. L. Hitchcock, J. S. Martin 1939-7-7 5285 a Siskiyou Sanger Peak 1780 Comment
  SEINET3411466 Image available Saxifraga mertensiana E. A. Meola 1939-4-22 68 Siskiyou Siskiyou lowlands; near Gasquet Comment
  JEPS47488  Saxifraga odontoloma Geo. D. Butler 1908-8-8 222 Siskiyou Marble Valley Camp 1676 Comment
  RSA183690  Saxifraga odontoloma Gilbert Muth 1965-8-17 308 Siskiyou Lower creek on trail to Black Mountain, Marble Mts. Comment
  JEPS47637  Saxifraga oregana Harley P. Chandler June, 1901 1548 Siskiyou Klamath River to Marble Mountain; North Coast Ranges, Klamath River 1828 Comment
  HSC39100  Schoenoplectus tabernaemontani D. H. Norris 1970-5-23 12251 Siskiyou Along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  HSC73230  Scirpus microcarpus Gail Newton 1980-6-20 514 Siskiyou Near Bald Mtn. 1097 Comment
  HSC773  Scirpus microcarpus William J. Ferlatte 1967-8-17 948 Siskiyou Yellow Rose Mine 1982 Comment
  UC143719  Scirpus microcarpus Copeland 1903-8-14 3722 Siskiyou Sisson Comment
  CDA32674  Scribneria bolanderi J. T. Howell 1980-4-3 Siskiyou 10 miles south of Fort Jones on Scott Valley East Side Road. 0 Comment
  CHSC62563  Scutellaria antirrhinoides L. P. Janeway 1993-8-30 4571 Siskiyou Along Gumboot Creek just below Gumboot Lake. 1844 Comment
  HSC27105  Scutellaria antirrhinoides Carl W. Mize 1972-6-21 57 Siskiyou 0.25 mi. above rd. on WSW slope 274 Comment
  SBBG124784  Scutellaria antirrhinoides C. B. Hardham 1961-7-2 8058 Siskiyou Salmon Mtn Summit Comment
  HSC29313  Scutellaria antirrhinoides Frederick W. Oettinger 1969-8-1 1128 Siskiyou Marble Mtn. Wilderness Area, Wiregrass Meadow below English Lake 1677 Comment
  CAS-BOT-BC214253  Scutellaria nana A. A. Heller 1905-6-22 8086 Siskiyou Igerna Comment
  CAS-BOT-BC64656  Sedum kiersteadiae Wm. Bridge Cooke 1942-7-2 16366 Siskiyou Bottom of Mud Creek Canyon, Mt. Shasta. 1676 Comment
  CAS-BOT-BC59182  Sedum lanceolatum C. L. Hitchcock; J. S. Martin 1950-8-3 5331 Siskiyou 1/2 mile SE of King's Castle. 1828 Comment
  CAS-BOT-BC59184  Sedum lanceolatum Louis C. Wheeler 1934-8-9 3075 Siskiyou Jaynes Canyon 1920 Comment
  CAS-BOT-BC64648  Sedum obtusatum subsp. boreale Alice Eastwood 1923-5-23 s.n. Siskiyou Cantara, S.P.R.R. Comment
  HSC19473  Sedum obtusatum subsp. retusum J. O. Sawyer 1969-6-10 799 Siskiyou S face near Sugar Lake 1829 Comment
  HSC76890  Sedum obtusatum subsp. retusum K. T. Stillman 1976-7-7 155 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  HSC64818  Sedum spathulifolium var. spathulifolium J. P. Smith 1976-5-5 8688 Siskiyou Road between Sawyers Bar and Somes Bar 488 Comment
  CAS-BOT-BC69762  Selaginella wallacei Louis C. Wheeler 1934-8-15 3158 Siskiyou East Fork Horse Creek, Siskiyou Mtns., Mt. Diablo Mer. 1524 Comment
  JEPS82674  Senecio aronicoides Wayne Roderick 1984-6-5 Siskiyou ca 12 air km sw Mt. Shasta city (below Castle Lake) 1676 Comment
  CAS-BOT-BC363420  Senecio aronicoides A. M. Vollmer; L. Beane 1951-5-31 31 Siskiyou Near highway, Scott Mountain Comment
  RSA14499  Senecio canus Elmer I. Applegate 1923-8-18 3868 Siskiyou Top of Redshale Mountain, east of Medicine Lake. 2439 Comment
  CAS-BOT-BC363590  Senecio fremontii var. fremontii Peter H. Raven 1956-9-4 10413 Siskiyou S. slope of Mt. Eddy 2682 Comment
  CAS-BOT-BC363643  Senecio fremontii var. occidentalis Wm. Bridge Cooke 1938-8-23 11572 Siskiyou Mount Shasta. North slope of Shastina Comment
  CAS-BOT-BC363743  Senecio hydrophilus Alice Eastwood 1912-9-4 2094 Siskiyou Sisson Comment
  CAS-BOT-BC363942  Senecio integerrimus var. exaltatus Roxana S. Ferris; Laura Lorraine 1941-8-11 10505 Siskiyou Slopes above Medicine Lake. Shasta National Forest Comment
  JEPS94673  Senecio integerrimus var. exaltatus Vernon H. Oswald and Lowell Ahart 1998-6-11 9216 Siskiyou near intersection of Meiss Lake-Sames Neck Rd. and Hwy. 97 (ca 5 mi n of Macdoel); Butte Valley National Grassland 1295 Comment
  CAS-BOT-BC364046  Senecio integerrimus var. major J. H. Thomas 1954-5-13 4137 Siskiyou Southwestern Siskiyou County. Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Vicinity of Blind Horse Creek 1066 Comment
  HSC19257  Senecio triangularis J. O. Sawyer 1968-7-9 403 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  HSC68349  Senecio triangularis J. P. Smith, J. O. Sawyer 1970-7-17 4470 Siskiyou Below Kangaroo Lake. 1890 Comment
  UC832150  Senecio triangularis John Thomas Howell 1939-8-7 15135 Siskiyou Sky High Valley , Sky High Valley (Marble Mts.) 1828 Comment
  HSC4762  Senecio triangularis William J. Ferlatte 1966-8-4 323 Siskiyou N side of Caribou Mtns. 1982 Comment
  RSA211197  Senecio triangularis William J. Ferlatte 1966-8-4 323 Siskiyou North side of Caribou Mountain. 1982 Comment
  CAS-BOT-BC240270  Setaria viridis Dorothy Parker 1948-8-24 88 Siskiyou Garden in Plowman's Valley, East Fork of Scott River 1188 Comment
  HSC64942  Sibbaldia procumbens D. L. Goforth 1979-7-19 266 Siskiyou Caribou Lakes Basin, lakeside at upper lake. 2134 Comment
  UC1282015  Sidalcea glaucescens Louise Kellogg 1953-8-8 113 Siskiyou on road between Callahan and Trinity Center (Mule Creek, nw slope Scott Mountain, Klamath National Forest); Klamath National Forest, Scott Mountains, Mule Creek 1402 Comment
  POM84653  Sidalcea malviflora subsp. asprella Geo. D. Butler 1910-5-26 1408 Siskiyou Yreka Comment
  RSA88001  Sidalcea malviflora subsp. asprella C. L. Hitchcock 1952-6-30 19642 Siskiyou 11 miles north of happy Camp on road to Waldo. Comment
  CAS-BOT-BC205787  Sidalcea oregana Elmer I. Applegate 1895-5-29 941 Siskiyou Sisson, Mt. Shasta Comment
  RSA211117  Sidalcea oregana subsp. oregana W. J. Ferlatte 1966-8-18 419 Siskiyou Along the South Fork of the Salmon River between the campground and Carter s. 1524 Comment
  HSC76758  Sidalcea oregana subsp. spicata K. T. Stillman 1976-7-14 239 Siskiyou Marble Mtn. Wilderness Area Comment
  RSA714938  Sidalcea oregana subsp. spicata M. E. Fishbein, Lane Greer 2006-8-3 5881 Siskiyou Paynes Springs, about 2 miles SW of Medicine Lake. 604 Comment
  UC140823  Sidalcea oregana subsp. spicata Dr. E. B. Copeland 1903-8-12 3822 Siskiyou Sisson Comment
  UC73428  Sidalcea oregana subsp. spicata Milo S. Baker Aug., 1897 148 Siskiyou Medicine Lake 2133 Comment
  RSA8252  Sidalcea oregana subsp. spicata Elmer I. Applegate 1923-8-18 3832 Siskiyou West end of Medicine Lake 1982 Comment
  LA212243  Sidalcea ranunculacea Geo. E. Julian; Bill Baker 1962-7-20 s.n. Siskiyou Mount Shasta. 1523 Comment
  SBBG2045  Silene bernardina H. and M. Dearing 1939-7-1 3787 Siskiyou Salmon Mtn 1828 Comment
  CAS-BOT-BC181192  Silene campanulata subsp. glandulosa Marion Ownbey; Fred G. Meyer 1940-7-6 2199 Siskiyou Summit of Cayenne Ridge, Marble Mountain Comment
  SD61046  Silene douglasii Darley F. Howe 1964-8-4 3935 Siskiyou 9.0 miles south from entrance to Modoc National Forest on road to Medicine Lake. 2040 Comment
  UC922617  Silene douglasii Annie M. Alexander and Louise Kellogg 1948-9-8 5596 Siskiyou on e side at top grade between Sawyers Bar and Etna (Siskiyou Mountains); , btw Sawyers Bar and Etna 1737 Comment
  CAS-BOT-BC388957  Silene grayi John Thomas Howell 1939-8-8 15168 A Siskiyou Black Mt., Marble Mts. Comment
  JEPS50995  Silene grayi Willis L. Jepson 1894-8-4 Siskiyou Horse Camp Mt. Shasta, Horse Camp Comment
  UC465652  Silene grayi Harley P. Chandler June, 1901 1606 A Siskiyou near Marble Mountain (ridges and meadows); North Coast Ranges, near Marble Mountain 1981 Comment
  RSA438858  Silene grayi M. B. Dunkle 1945-1 9313 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  CAS-BOT-BC181254  Silene hookeri subsp. hookeri Volney Rattan 1879-1-1 s.n. Siskiyou Klamath Comment
  HSC61455  Silene laciniata subsp. californica Ruby Van Deventer 1938-6-11 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  CAS-BOT-BC389419  Silene lemmonii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  JEPS69769  Silene lemmonii W. B. and V. G. Cooke 1972-7-6 45462 Siskiyou Mud Creek Dam Road , Mud Creek Dam Road (Mt. Shasta) 1066 Comment
  UC796625  Silene lemmonii Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11735 Siskiyou French Creek Logging Road w Callahan; w of Callahan 1066 Comment
  CHSC93541  Sisymbrium altissimum Lowell Ahart; John Dittes 2005-6-9 12020 Siskiyou Open pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  POM213958  Sisymbrium altissimum Isabelle C. Kimber 1934-6-9 5 Siskiyou Mt Shasta. 1220 Comment
  UCD115472  Sisymbrium altissimum A. A. Heller 1916-7-21 12480 Siskiyou near Upton. Comment
  SBBG15962  Sisyrinchium bellum D. Myrick 1961-6-20 267 Siskiyou Bear Springs, on S slope of Mt Shasta 1676 Comment
  JEPS62160  Smilax californica W. L. Jepson July 1894 Siskiyou Sisson Comment
  JEPS93958  Solanum dulcamara Vernon H. Oswald and Lowell Ahart 1998-9-16 9637 Siskiyou 5.3 mi e of Highway 97 (Highway 161 adjacent to marsh at the Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge 1243 Comment
  HSC2321  Solidago elongata Geo. D. Butler 1910-8-31 1858 Siskiyou Comment
  UC163885  Solidago elongata Geo. D. Butler 1910-7-20 1732 Siskiyou Goosenest foothills 1524 Comment
  CHSC63502  Solidago multiradiata Vernon H. Oswald; Lowell Ahart 1994-8-1 6419 Siskiyou Forest Rd. 26 paralleling the South Fork of the Sacramento River, 0.3 mi E of Forest Rd. 40N43, 9.0 mi SW of the dam at Lake Siskiyou. 1438 Comment
  CAS-BOT-BC365249  Solidago velutina subsp. californica Geo. D. Butler 1910-7-30 1800 Siskiyou Yreka Creek Comment
  JEPS123407  Sorbus californica Julie Kierstead Nelson with Don Lepley, Rhonda Posey 2015-8-13 2015 -130 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. Comment
  JEPS95134  Sorbus californica Vernon Oswald and Lowell Ahart 1997-7-28 8794 Siskiyou s.e. Medicine Lake (at Paynes Springs, on walls of Paynes Creek Canyon n. of the campground); Paynes Springs 1981 Comment
  RSA237824  Sorbus californica Frederick W. Oettinger 1967-7-20 180 Siskiyou Outlet stream from Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UC164082  Sorbus californica Geo. D. Butler 1908-8-26 282 Siskiyou head of Eton Creek; Salmon Mountains Comment
  CAS-BOT-BC157320  Sorbus californica 1902-7-15 1518 Siskiyou Marble Fork Comment
  HSC19254  Sorbus scopulina J. O. Sawyer 1969-6-12 898 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  HSC29471  Sorbus scopulina Frederick W. Oettinger 1969-8-25 1556 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mtn. Wilderness Area; Little N Fork stream along new trail from end of logging road to Devils Canyon trail 1220 Comment
  RSA237830  Sorbus scopulina Frederick W. Oettinger 1968-9-8 782 Siskiyou E side of English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1814 Comment
  UC1409332  Sorbus scopulina var. scopulina Frederick W. Oettinger 1968-9-8 782 Siskiyou e side English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1813 Comment
  UC163744  Sorbus scopulina var. scopulina Geo. D. Butler 1908-8-4 281 Siskiyou head of west fork of Wooley Creek Comment
  CAS-BOT-BC520389  Sparganium angustifolium Dana York 2011-9-9 3098 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake 1985 Comment
  HSC30898  Spergula arvensis Melinda F. Denton 1973-6-27 2800 Siskiyou Klamath National Forest, just S of border of Klamath and Siskiyou National Forests, 9 mi. S of intersection of 416C and 4007 on 416C 1628 Comment
  UCD170026  Spergularia rubra Louis C. Wheeler 1934-9-2 3239 Siskiyou Siskiyou Mountains, Miller Glade. 1828 Comment
  UC106124  Sphenosciadium capitellatum unknown Siskiyou Mt. Shasta Comment
  RSA472773  Spiraea densiflora M. B. Dunkle 1945-1 9306 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  UC1034575  Spiraea densiflora Douglas Barbe 1955-7-26 270 Siskiyou nw slope Scott Mtn.; Klamath Mountains 1828 Comment
  POM257755  Spiraea densiflora var. splendens C. Leo Hitchcock, J. S. Martin 1939-7-7 5272 -a Siskiyou Sanger Peak Trail. 1 mile S of Camp Chicago. Siskiyou Mtns ca 12 miles S of Takilma, Orgeon. 1433 Comment
  RSA68945  Spiraea densiflora var. splendens A. E. Culbertson 1943-7-8 13 Siskiyou E shore of Castle Lake, 5434'. 14 miles SW of Mt. Shasta on N side of a 6600' eastern spur of Trinity Mtns. 2000' above Sacramento River. Within 10 air miles of its headwaters to the W. Comment
  CAS-BOT-BC149688  Spiraea douglasii Louis C. Wheeler 1934-8-16 3176 Siskiyou 2 miles SE White Mts., Siskiyou Mts. 1737 Comment
  HSC19121  Spiraea douglasii J. O. Sawyer 1969-7-9 1066 Siskiyou NE shore of Little Duck Lake 2043 Comment
  POM140065  Spiraea douglasii Geo. D. Butler 1910-7-9 1708 Siskiyou Shackleford Creek. 1220 Comment
  RSA211181  Spiraea douglasii William J. Ferlatte 1966-8-2 229 Siskiyou Between campground and S fork of the Salmon River. Comment
  RSA30418  Spiraea douglasii A. A. Heller 1916-7-20 12464 Siskiyou Metcalf's ranch. NE base of Mt Eddy, 1189 Comment
  SBBG27213  Spiraea douglasii L. C. Wheeler 1934-8-16 3176 Siskiyou 2 mi SE White Mtn 1737 Comment
  UC466728  Spiraea douglasii H. W. Furlong Sep 1901 Siskiyou Summit to Ager (No. California and So. Oregon) Comment
  UC484057  Spiraea douglasii Carl B. Wolf 1930-10-22 Siskiyou 1 mi w Mt. Shasta City 1066 Comment
  UC917336  Spiraea douglasii R. Tofsrud and J. M. Tucker 1948-8-2 1751 Siskiyou outskirts McCloud Comment
  HSC48294  Stachys mexicana J. O. Sawyer, K. Stillman 1978-7-6 3353 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  UCD78016  Stellaria calycantha Robert E. Preston 2001-7-20 1695 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
  HSC29619  Stellaria crispa Frederick W. Oettinger 1969-8-4 1166 Siskiyou Marble Mtn. Wilderness Area, above inlet to Hancock Lake 1951 Comment
  SEINET12558131 Image available Stellaria crispa Frederick W. Oettinger 1968-1 723 Siskiyou The High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. Campsite near stream, Hancock Lake. 1951 Comment
  CHSC97382  Stellaria longipes var. longipes Jenny Marr 2006-6-18 233 Siskiyou Cascade Range High. Plants collected along Hwy. 97. West side of road. 1524 Comment
  JEPS82444  Stenanthium occidentale Gilbert Muth 1966-7-19 427 Siskiyou Marble Gap Trail Marble Mt. Wilderness Area (along first bluff) 1828 Comment
  UCD139815  Stenanthium occidentale J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3747 Siskiyou Upper Canyon Creek, ca. 0.5 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area. 1920 Comment
  JEPS24635  Stephanomeria lactucina Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6790 Siskiyou A little above and east of McBride Springs south slopes of Mt. Shasta. 1432 Comment
  JEPS87637  Stephanomeria paniculata Vernon H. Oswald and Lowell Ahart 1994-8-10 6453 Siskiyou ca. 4.5 mi. (air) n.e. McCloud (Pilgrim Creek Rd. (FS 13) at Mud Creek, 2.7 mi. n. of Hwy. 89) 1097 Comment
  CAS-BOT-BC375941  Stephanomeria virgata Geo. D. Butler 1910-8-7 1814 Siskiyou Humbug Mountain 1066 Comment
  POM211747  Stephanomeria virgata L. C. Wheeler 1934-7-17 2912 Siskiyou Cottonwood Creek, Siskiyou Mtns. (Mt Diablo Mer.) 1037 Comment
  UC166022  Stephanomeria virgata subsp. pleurocarpa Geo. D. Butler 1910-8-7 1814 Siskiyou Humbug Mountain 1066 Comment
  UC166204  Stephanomeria virgata subsp. pleurocarpa Geo. D. Butler 1908-8-30 138 Siskiyou near Fort Jones (along Light hill grade) Comment
  HSC67808  Stipa occidentalis var. californica J. O. Sawyer, J. Cole 1980-7-22 3948 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  CAS-BOT-BC61125  Streptanthus barbatus L. E. Smith 1913-6-29 418 Siskiyou Rainbow. Comment
  UC584296  Streptanthus barbatus G. L. Stebbins Jr. and J. A. Jenkins 1937-7-17 2428 Siskiyou e and ne slope of spur of ridge above Sulloway Creek (about 1/2 mi w of Mt. Shasta City); Rainbow Ridge 1380 Comment
  CAS-BOT-BC87853  Streptanthus tortuosus Ira L. Wiggins 1955-7-27 13523 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area. 2042 Comment
  RSA183658  Streptanthus tortuosus Gilbert Muth 1965-8-5 171 Siskiyou On trail to Black Mtn, Marble Mtns. Comment
  SD53403  Streptanthus tortuosus Darley F. Howe 1962-8-6 3399 Siskiyou Mt. Shasta 2440 Comment
  UC455751  Streptanthus tortuosus I. J. Condit 1911-7-22 Siskiyou Horse Camp Mt. Shasta 2438 Comment
  POM95329  Streptanthus tortuosus Geo. D. Butler 1910-4-22 1221 Siskiyou Kidder Creek Comment
  UC70401  Streptanthus tortuosus var. orbiculatus Milo S. Baker 1899-7-31 Siskiyou above Warren and Anderson's Mill; Mt. Shasta, Ash Creek Comment
  HSC18897  Streptanthus tortuosus var. tortuosus J. O. Sawyer 1968-7-9 422 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  HSC18894  Streptopus amplexifolius J. O. Sawyer 1968-6-18 179 Siskiyou Above S Russian Creek on W side. 1463 Comment
  CAS-BOT-BC516435  Streptopus amplexifolius Milo S. Baker 1926-7-16 85 Siskiyou South Fork Mt. on Forest Road 4 miles from Highway Comment
  JEPS46344  Swertia radiata W. L. Jepson 1902-7-17 2075 Siskiyou Salmon Summit, w Siskiyou County Salmon Summit 2286 Comment
  CAS-BOT-BC269626  Symphoricarpos albus var. laevigatus John Thomas Howell 1937-7-21 13188 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  SEINET10500902  Symphoricarpos albus var. laevigatus Melvin L. Conrad, David B. Dunn; Katherine L. Morris 1973-6-1 Conrad 6965 Siskiyou Road cut, 0.1 mi N of Hornbrook. 732 Comment
  HSC73353  Symphoricarpos mollis Gail Newton 1980-6-20 442 Siskiyou Near Bald Mtn. 1097 Comment
  LA204589  Symphoricarpos mollis Wm. Bridge Cooke; 1938-7-29 11383 Siskiyou Mount Shasta, near Howard Comment
  HSC58870  Symphyotrichum bracteolatum Marvin Butler 1971-8-11 308 Siskiyou Near Youngs Valley, close to the town of Cave Junction 1403 Comment
  JEPS40845  Symphyotrichum bracteolatum Geo. D. Butler 1908-8-29 289 Siskiyou L. Eastlicks Ranch Oro Fino Comment
  UC223707  Symphyotrichum bracteolatum Elmer I. Applegate 1923-9-7 3970 Siskiyou Doggett Creek 1737 Comment
  HSC30275  Symphyotrichum bracteolatum William J. Ferlatte 1971-9-18 1372 Siskiyou Big Flat near public campground 1524 Comment
  CHSC86454  Symphyotrichum campestre Jenny Marr 1993-7-1 71 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  CAS-BOT-BC97877  Symphyotrichum eatonii W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar Meadows near McCloud Comment
  HSC61494  Symphyotrichum foliaceum Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 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
  UC726149  Symphyotrichum spathulatum A. A. Heller 1940-7-24 15760 Siskiyou Castle Lake, along the outlet of Castle Lake Comment
  JEPS86149  Synthyris reniformis Wayne Roderick 1965-1 Siskiyou Cook & Green Pass area Cook & Green Pass 1524 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
  CAS-BOT-BC81351  Taxus brevifolia Louis C. Wheeler 1934-8-14 3138 Siskiyou Klamath National Forest, W. end White Mt. 1828 Comment
  CAS-BOT-BC85241  Taxus brevifolia Doris K. Kildale 1928-8-19 6557 Siskiyou Hancock Lake - trail to Marble Mt. 2133 Comment
  UCD135162  Taxus brevifolia J. M. Tucker 1963-7-5 3706 Siskiyou Lower Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1524 Comment
  HSC29461  Tellima grandiflora Frederick W. Oettinger 1968-9-1 639 Siskiyou Marble Mtn. Wilderness Area, SE of Abbott's Lake 1860 Comment
  HSC6276  Tetradymia canescens R. C. Wunner 1965-7-9 352 Siskiyou California Lava Beds National Monument; 0.4 mi. along Hardin Butte Trail 1341 Comment
  CAS-BOT-BC399879  Thalictrum polycarpum Gilbert Muth 1966-7-17 408 Siskiyou Marble Mts. Comment
  CAS-BOT-BC88067  Thelypodium brachycarpum L. E. Smith 1914-5-21 706 Siskiyou Montague. Comment
  CAS-BOT-BC88077  Thelypodium brachycarpum Frank W. Peirson 1923-7-19 3736 Siskiyou Laird's Landing. Comment
  HSC24813  Thelypteris nevadensis J. O. Sawyer 1969-7-23 1441 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1341 Comment
  CAS-BOT-BC77713  Thelypteris nevadensis Donald L. Branscomb 1958-7-1 s.n. Siskiyou Castle Lake 1706 Comment
  UC1222603  Thermopsis macrophylla var. macrophylla Joseph P. Tracy 1950-7-20 19213 Siskiyou on road to Prospect Hill 5 mi se Flint Valley Comment
  UC1586874  Thlaspi montanum var. montanum Juha Pykala and D. H. Norris 1987-6-26 2050 Siskiyou 0-3 km below Bear Lake (above Bear Creek, sw slopes); Marble Mountain Wilderness Area Comment
  UC165983  Thlaspi montanum var. montanum Geo. D. Butler 1910-6-4 1503 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC66795  Thysanocarpus curvipes J. H. Thomas 1954-5-13 4153 Siskiyou Klamath National Forest. Salmon Mountains. Near South Fork of Salmon River, 5 to 9 miles southesat of Cecilville. 1127 Comment
  SEINET3166358  Thysanocarpus curvipes subsp. curvipes P. J. Alexander 2009-4-7 991 Siskiyou East side of the Shasta River, E side of CA Hwy. 263, 4.2 miles NNE of central Yreka, 3.2 miles S of the jct. with CA Hwy. 96. 738 Comment
  HSC101486  Tiarella trifoliata var. unifoliata J. P. Smith, J. O. Sawyer 2011-7-21 13035 Siskiyou Near Dillon Camp 1358 Comment
  HSC64858  Tiarella trifoliata var. unifoliata J. P. Smith, Steve Selva 1970-7-15 4342 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  POM169142  Tofieldia glutinosa subsp. occidentalis E. B. Copeland 1903-9-7 3864 Siskiyou Mt. Eddy 2439 Comment
  RSA237928  Tofieldia glutinosa subsp. occidentalis Frederick W. Oettinger 1968-8-1 340 Siskiyou South side of Little Hancock Lake. The Salmon Mountains. The high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 2043 Comment
  RSA145155  Tolmiea menziesii Dorothy Parker 1960-7-4 s.n. Siskiyou Salmon Mts. 1768 Comment
  RSA427249B  Tonella tenella J. P. Smith 1973-5-5 6408 Siskiyou Along Cook and Green Pass road. Comment
  CDA7719  Tragopogon dubius T. C. Fuller 1959-10-14 3127 Siskiyou Highway 99, north limits of Mt. Shasta City. 0 Comment
  JEPS82737  Trautvetteria caroliniensis var. occidentalis Wayne Roderick 1983-7-10 Siskiyou Doe Flat 1143 Comment
  HSC62273  Triantha occidentalis subsp. occidentalis Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  CAS-BOT-BC519556  Triantha occidentalis subsp. occidentalis W. B. C. 1939-7-7 13611 Siskiyou Siskiyou Comment
  CAS-BOT-BC519568  Triantha occidentalis subsp. occidentalis David D. Keck 1949-7-20 6363 Siskiyou Scott Mountain Summit: meadow at Scott Mountain Summit, at Trinity County line 1716 Comment
  HSC68369  Trientalis latifolia J. P. Smith 1973-5-5 6369 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  RSA322035  Trifolium cyathiferum John M. Gillett, C. W. Crompton 1966-6-4 12901 Siskiyou 8.1 miles west of Gazelle. Comment
  CHSC71483  Trifolium eriocephalum subsp. eriocephalum Vernon H. Oswald; Lowell Ahart 1998-7-21 9340 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
  CHSC75715  Trifolium eriocephalum subsp. eriocephalum Vernon H. Oswald; Lowell Ahart 1999-7-5 9806 Siskiyou Gazelle Mtn. on road 41N03 0.2 mi southeast of Gazelle-Callahan Hwy. 1508 Comment
  POM208365  Trifolium eriocephalum subsp. eriocephalum Louis C. Wheeler 2677 Siskiyou North Hungry Creek 1311 Comment
  HSC61459  Trifolium howellii Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1372 Comment
  UCD111230  Trifolium hybridum L. Whitney 1934-6-10 s.n. Siskiyou location unknown. Comment
  UC1025112  Trifolium kingii var. productum Douglas Barbe 1955-7-9 154 Siskiyou s shore Kangaroo Lake; Scott Mtns 1828 Comment
  UC1045267  Trifolium longipes subsp. elmeri W. B. Cooke 1940-6-6 15037 Siskiyou Near Castle Lake Road. 1524 Comment
  UCD111328  Trifolium macrocephalum J. G. Ferrell 1941-4-1 s.n. Siskiyou Near Edgewood. Comment
  UC866984  Trifolium repens A. A. Heller 1916-6-20 12414 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 Comment
  UC726165  Trifolium wormskioldii A. A. Heller 1916-7-20 12459 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  HSC18870  Trillium ovatum subsp. oettingeri J. O. Sawyer 1968-6-25 318 Siskiyou Along Horse Range Creek 1829 Comment
  HSC30710  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1967-6-27 126 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area; West of Statue Creek near the point where the Music Creek logging road makes hairpin turn 1756 Comment
  CAS-BOT-BC200274  Trisetum spicatum Geo. B. Grant 1902-9-1 1305 Siskiyou Mt Shasta Comment
  HSC49899  Triteleia crocea Maralyn O'Meara 1974-5-25 434 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  UC1265674  Triteleia crocea Rolf Y. Berg 1980-6-25 Siskiyou on road from Seiad Valley to Cook and Green Pass; Klamath River Region, Horsetail Falls Comment
  UC705592  Triteleia crocea Marion Ownbey and D. H. Brown 1941-6-22 2419 Siskiyou just s Craggy Mountain (nw of Yreka) Comment
  SJSU6067  Triteleia crocea R. W. Trivelpiece 1971-6-6 10 Siskiyou E Fork Horse Creek between White Mt & White Cloud Mt c. 5 mi S of Oregon border 944 Comment
  JEPS104867  Triteleia crocea var. crocea Dean W. Taylor 1996-5-29 15639 Siskiyou Highway 3 about 4 miles east of southern edge Yreka; Soap Creek Ridge 822 Comment
  CAS-BOT-BC522340  Triteleia hyacinthina W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klink's Meadow Comment
  SBBG122858  Triteleia hyacinthina B. Ertter, J. Kierstead, J. Nelson 1990-7-15 9369 Siskiyou ca. 1 mi E of Toad Lake, head of Middle Fk Sacramento River 1981 Comment
  CAS-BOT-BC524312  Triteleia ixioides subsp. anilina R. F. Hoover 1940-6-6 15083 Siskiyou Along Castle Lake road 1219 Comment
  RSA167136  Tsuga mertensiana J. M. Tucker 1963-7-8 3734 Siskiyou East side of Black Mountain, ca. 1 mile north of Marble Valley, Marble Mountain Wilderness Area. 1982 Comment
  SD76190  Tsuga mertensiana Helen V. Witham 1969-10-6 556 Siskiyou west face, granite cliffs above Kangaroo Lake 2100 Comment
  CAS-BOT-BC80251  Tsuga mertensiana subsp. grandicona W. R. Dudley 1899-7-7 s.n. Siskiyou On Big M trail Comment
  CAS-BOT-BC74101  Turritis glabra Marion Ownbey; Fred G. Meyer 1940-7-7 2207 Siskiyou Along Soap Ridge road, southwest of Yreka. Comment
  CAS-BOT-BC403938  Urtica dioica subsp. gracilis A. Eastwood 1917-9-2 6675 Siskiyou Shasta Springs Comment
  CAS-BOT-BC199182  Vaccinium cespitosum W. R. Dudley 1901-8-18 s.n. Siskiyou Shores of Jackson Lake, Salmon Mts. Comment
  CAS-BOT-BC228833  Vaccinium cespitosum Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-20 1932 Siskiyou Russian Wilderness, Klamath National Forest. Along Sugar Creek Trail to Sugar Lake from trailhead off forest road 41N14 1809 Comment
  HSC19520  Vaccinium cespitosum J. O. Sawyer 1969-7-18 1161 Siskiyou E of Waterdog Lake 2012 Comment
  JEPS93910  Vaccinium cespitosum Vernon H. Oswald and Lowell Ahart 1998-8-3 9454 Siskiyou e of Kangaroo Lake (e end of Rock Fence Lake Road (USFS 41N18) in the Scott Mountains, near Rock Fence Creek); Scott Mountains, Rock Fence Lake Road 1920 Comment
  HSC19351  Vaccinium membranaceum J. O. Sawyer 1968-6-25 303 Siskiyou NE of N Horse Range Lake 2012 Comment
  HSC19355  Vaccinium membranaceum J. O. Sawyer 1968-6-25 304 Siskiyou NE of N Horse Range Lake 2012 Comment
  HSC19359  Vaccinium membranaceum J. O. Sawyer 1968-9-9 655 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  HSC19370  Vaccinium membranaceum J. O. Sawyer 1968-7-22 255 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  CAS-BOT-BC199477  Vaccinium parvifolium Doris K. Kildale 1929-8-24 8838 Siskiyou Preston Peak 2225 Comment
  UCD118070  Vaccinium scoparium Dean William Taylor 1972-7-3 1612 Siskiyou Near Little Duck Lake. 1981 Comment
  CHSC95123  Valeriana sitchensis subsp. sitchensis L. P. Janeway 2006-7-2 8750 Siskiyou Klamath Ranges. Salmon Mountains; un-named creek at the sharp bend in the Music Creek Trailhead Road, 0.6 km south of Music Creek. North-facing slope above the creek. 1762 Comment
  POM67761  Valeriana sitchensis subsp. sitchensis Geo. D. Butler 1910-7-7 1655 Siskiyou Shackleford Creek. 1220 Comment
  HSC73293  Vancouveria planipetala Gail Newton 1980-6-20 523 Siskiyou Near Bald Mtn. 1326 Comment
  CAS-BOT-BC529109  Veratrum californicum H. A. Thomas; J. H. Thomas 1954-7-24 4514 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville. 1981 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
  SEINET6221076  Verbascum blattaria A. D. Youngberg 1964-1 21 Siskiyou Happy Camp Airport. R7E T16N sec 10, Humbolt Meridian. Comment
  CHSC1906  Veronica copelandii A. Anderson 1962-8-1 Siskiyou Near E. Boulder Lake, between Trinity and Scott river drainage. 2225 Comment
  UC726995  Veronica peregrina subsp. xalapensis A. A. Heller 1919-6-20 13255 Siskiyou Metcalfs Comment
  HSC91102  Veronica serpyllifolia subsp. humifusa Jennifer Whipple 1977-7-21 2015 Siskiyou Near Durney Lake 2073 Comment
  CAS-BOT-BC419721  Vicia americana subsp. americana Julie Kierstead Nelson; Jordan Rainbow 2014-5-21 2014 -020 Siskiyou Forest Road 42N84 off Highway 97, north side of Mt. Shasta. 1088 Comment
  HSC77092  Vicia americana var. americana K. T. Stillman 1976-7-30 335 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  POM253732  Vicia americana var. americana C. Leo Hitchcock, J. S. Martin, A. S. Hitchcock 1939-7-6 5208 Siskiyou on Takilma-Happy Camp Road 1677 Comment
  RSA78673  Vicia americana var. americana Philip A. Munz 1952-7-1 17866 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 Comment
  SD60168  Vicia americana var. truncata A. A. Heller 1928-6-9 14602 Siskiyou Along Sacramento River at Shasta Retreat, sandy or gravelly bench, shaded by trees & shrubs Comment
  UC796573  Vicia villosa subsp. villosa Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11722 Siskiyou w of Callahan (French Creek Logging Road) 1066 Comment
  UC1733688  Viola Frank Gould, Kay H. Beach 1940-5-16 1251 Siskiyou in mixed coniferous forest. Summit of Bald Mountain grade about 11 miles west of Mt. Hebron. Comment
  UCSB15821  Viola adunca var. adunca Breedlove, Dennis 1962-6-11 Siskiyou along State Highway 89, 17.6 miles east of McCloud; Cascade Mountains 1219 Comment
  UC1023736  Viola bakeri W. Bridge Cooke 1941-7-18 16078 Siskiyou below Wagon Camp (near the Wagon Camp Road); Mount Shasta 1737 Comment
  UC1762378  Viola bakeri Freed Hoffman 1948-7-13 2631 Siskiyou 8 mi S of Tennant Comment
  UC19301  Viola bakeri Harley P. Chandler June, 1901 1688 Siskiyou Marble Mountain; North Coast Ranges 2438 Comment
  HSC21860  Viola bakeri Hilda W. Grinnell 1935-6-7 Siskiyou Dry Lake Ranger Station, Siskiyou Mtns. 2063 Comment
  SEINET3163050  Viola beckwithii G. D. Butler 1910-3-11 1124 Siskiyou Yreka hills Comment
  SEINET215139 Image available Viola beckwithii S. Holloway 1963-4-8 17 Siskiyou Dirt road east of Hwy 99 between Gazelle and Edgewood 762 Comment
  HSC18939  Viola glabella J. O. Sawyer 1968-7-10 478 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC38822  Viola glabella J. P. Smith, Steve Selva 1970-6-15 3959 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  SBBG30502  Viola glabella D. Myrick 1968-6-26 2030 Siskiyou garden of Gates Ranch, Big Flat, head of Coffee Crk 1524 Comment
  CAS-BOT-BC536921  Viola glabella A. A. Heller 1919-6-20 13416 Siskiyou Metcalf's ranch, NE base of Mt. Eddy 1158 Comment
  CAS-BOT-BC530097  Viola lobata subsp. lobata John Thomas Howell 1937-7-29 13618 Siskiyou Scott Mountain, near county line with Trinity county Comment
  HSC36882  Viola macloskeyi J. P. Smith 1974-5-26 7532 Siskiyou Along FS 47N03, Chandler Glade 1768 Comment
  HSC91212  Viola macloskeyi Jennifer Whipple 1976-6-17 1022 Siskiyou Near Dobkins Lake, 30 m below lake 2073 Comment
  RSA142616  Viola purpurea subsp. integrifolia Philip A. Munz 1960-8-22 24194 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
  POM83899  Viola purpurea subsp. purpurea Geo. D. Butler 1910-4-1 1153 Siskiyou Near Yreka. Comment
  UCR142813  Viola sheltonii L. C. Wheeler 1935-5-5 3461 Siskiyou Siskiyou Mtns., Greenhorn Creek 854 Comment
  UC144646  Vulpia microstachys var. pauciflora A. A. Heller 1905-6-15 8039 Siskiyou near Sisson Comment
  HSC69425  Whipplea modesta John Palmer 1980-7-23 561 Siskiyou Past Elbow Springs at end of USFS Rd. 15N19 1220 Comment
  UC1597995  Woodsia scopulina Alan R. Smith with Christopher Richard, and C. Don MacNeill 1993-5-10 2556 Siskiyou se side of secondary cone of s rim of Mammoth Crater (could be Applegate's Lava cliffs); s boundary Lava Beds National Monument 1645 Comment
  RSA0091831  Xerophyllum tenax Bonnie C. Templeton s.n. Siskiyou Conifer forest near top of Scott Mt., Trinity Alps. Comment
  SBBG16231  Xerophyllum tenax E. Bacciu 1961-6-1 Siskiyou Mt Eddy Crk, near Weed 1524 Comment
  HSC46234  Yabea microcarpa Jennifer Whipple 1978-6-5 2347 Siskiyou Weston Gulch in Scott Valley 854 Comment



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