Search Results — 2000 specimen records retrieved (1397 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78130  Abies X shastensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11770 Siskiyou About 6 miles from Etna on forks of Salmon Road 1706 Comment
  CAS-BOT-BC78132  Abies X shastensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11770 Siskiyou About 6 miles from Etna on forks of Salmon Road 1706 Comment
  HSC32568  Abies X shastensis Steven Lagos 1974-5-26 91 Siskiyou Duck Lake Creek drainage 1524 Comment
  HSC44565  Abies X shastensis Robert Wharton 1977-10-9 Siskiyou N slope of Mt. Shasta, Bulk Collection #118 2287 Comment
  RSA237423  Abies X shastensis Frederick W. Oettinger 1967-8-26 328 Siskiyou Top of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  RSA759175  Abies X shastensis Doug Goldman 2004-11-7 2947 Siskiyou By a big parking lot along Forest Road A10 (Everett memorial Highway), on the southwest side of Mount Shasta, Shasta-Trinity National Forest. 2116 Comment
  HSC1337  Abies concolor D. M. Thomson 1965-8-14 197 Siskiyou Lava Beds National Monument, Tickner Rd., 2 mi. SW of Mammoth Crater Comment
  HSC29673  Abies concolor Frederick W. Oettinger 1968-9-10 809 Siskiyou Marble Mtn. Wilderness Area, NE of English Lake outlet 1921 Comment
  UCD134135  Abies concolor Jack Major; M. Fleschner, R. Pemble 1966-9-6 s.n. Siskiyou Marble Mountains; beside trail from Lovers Camp to Marble Valley Guard Station. 1371 Comment
  CAS-BOT-BC78105  Abies magnifica Elmer I. Applegate 1923-9-7 3966 Siskiyou Head of Doggett Creek, Siskiyou Mountains Comment
  HSC67823  Abies magnifica J. O. Sawyer, J. Cole 1980-7-20 3767 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  HSC69711  Abies magnifica Maralyn A. Renner 1980-7-15 1773 Siskiyou English Lake inlet 1780 Comment
  UC119058  Abies magnifica var. magnifica unknown 1885-9-1 Siskiyou Siskiyou Mts. Comment
  JEPS46599  Abies magnifica var. shastensis Lemmon Siskiyou Mt. Shasta Comment
  UC333504  Abies magnifica var. shastensis unknown 1891-11-12 Siskiyou near Mt. Shasta Comment
  HSC4978  Abies procera J. O. Sawyer 1968-9-11 693 Siskiyou Ridge S of Twin Valley 1524 Comment
  UC54490  Acer circinatum H. M. Hall and E. B. Babcock June, 1903 4150 Siskiyou Pole Canyon Sierra Nevada Mountains, Pole Canyon (north-eastern Shasta County) 1463 Comment
  SEINET10494122  Acer circinatum LeRoy E. Detling 1947-6-4 Detling 6123 Siskiyou Slater butte, klamath nat'l. Forest; sec. 14 T17n r7e; vegetation type: douglas Fir, oak forest; (humboldt mer.) Assoc. Veg: pseudotsuga taxifolia, quercus Kelloggii, q. Chrysolepis, arbutus mensiesii; pysiography: mountian slope; Rocky clay loam; mod. Dry; partial shade; fairly common; n.w.exposure 853 Comment
  UC637141  Acer glabrum var. glabrum Edward Lee 1934-8-13 1078 Siskiyou Happy Camp to Waldo (Oregon) road Klamath National Forest, West Branch Indian Creek watershed (watershed of West Branch of Indian Creek, Klamath National Forest) 1463 Comment
  CHSC92  Acer glabrum var. torreyi M. Yoder 1941-6-28 Siskiyou Castle Lake 1828 Comment
  HSC66171  Acer glabrum var. torreyi J. P. Smith, Steve Selva 1970-6-16 4064 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  HSC69575  Acer glabrum var. torreyi Maralyn A. Renner 1980-8-6 2259 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  JEPS80656  Acer glabrum var. torreyi W. B. and V. G. Cooke 1977-9-25 54884 Siskiyou on roadside bank above Mud Creek Dam Road Mt. Shasta (Mt. Shasta) 1676 Comment
  CAS-BOT-BC332796  Acer macrophyllum Geo. D. Butler 1910-4-24 1236 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC83  Achillea lanulosa subsp. lanulosa Amos Arthur Heller 1905-6-19 8067 Siskiyou Grenada, near Grenada (RR) station Comment
  CAS-BOT-BC18864  Achillea millefolium David D. Keck 1940-6-13 5177 Siskiyou 9 mi. S of Macdoel, on U.S. 97 between Dorris and Weed 1463 Comment
  CAS-BOT-BC30428  Achillea millefolium John Thomas Howell 1937-7-23 13345 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC22300  Achillea millefolium J. O. Sawyer 1969-8-1 1641 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC68003  Achillea millefolium J. P. Smith, Steve Selva 1970-6-15 3983 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  HSC68420  Achillea millefolium Maralyn A. Renner 1980-6-9 856 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  UCD77247  Achillea millefolium Robert E. Preston 2001-6-23 1618 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn. 1706 Comment
  UCR47891  Achillea millefolium Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  RSA416235  Achillea millefolium J. P. Smith 1973-5-5 6527 Siskiyou Scott Bar along the Scott River. Comment
  RSA671413  Achillea millefolium var. alpicola F. R. Schallert 1953-8-20 s.n. Siskiyou near Mt. Shasta Comment
  RSA237216  Achillea millefolium var. occidentalis Frederick W. Oettinger 1969-7-29 1094 Siskiyou On bedrock ridge above Dry Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  NY149875  Achillea pacifica A. A. Heller 1905-6-19 8067 Siskiyou Grenada Comment
  HSC36728  Achlys triphylla Brent Whiteley 1975-6-28 83 Siskiyou 915 Comment
  UC1026898  Achnatherum hymenoides W. Bridge Cooke 1940-6-4 15001 Siskiyou along the Bolam Road Mount Shasta Comment
  CAS-BOT-BC210751  Achnatherum nelsonii Roxana S. Ferris; Laura Lorraine 1948-6-12 11791 Siskiyou Scott Mountain Road south of Callahan Comment
  UCD50984  Achnatherum occidentale H. S. Yates 1936-6-21 5827 Siskiyou N base of Wintoon Butte. 1219 Comment
  UCD37095  Achnatherum occidentale subsp. californicum Beecher Crampton 1956-8-22 3862 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2316 Comment
  POM115239  Achnatherum thurberianum Geo D. Butler, A. S. Hitchcock 1910-5-4 1277 Siskiyou Dry hill, Yreka. 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
  HSC46219  Acmispon nevadensis Jennifer Whipple 1978-6-5 2327 Siskiyou Weston Gulch in Scott Valley 854 Comment
  JEPS41327  Aconitum columbianum Ruby Van Deventer 1938-7-31 66 Siskiyou s. Little Greyback Mt. (Poker Flat); Poker Flat 1524 Comment
  JEPS80543  Aconitum columbianum Gilbert Muth 1965-8-16 220 Siskiyou Marble Mt. Wilderness Area, Black Mt. 1792 Comment
  RSA608668  Aconitum columbianum Louis C. Wheeler 1963-9-11 8382 Siskiyou Siskiyou Mountains: Dillon Creek. 1494 Comment
  CAS-BOT-BC391520  Aconitum columbianum subsp. columbianum Alice Eastwood 1912-8-30 1951 Siskiyou Mount Eddy Comment
  CAS-BOT-BC391539  Aconitum columbianum subsp. columbianum H. A. Thomas; J. H. Thomas 1954-7-25 4521 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  HSC64344  Aconitum columbianum subsp. columbianum J. P. Smith, Steve Selva 1970-7-18 4489 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  CAS-BOT-BC413842  Aconogonon davisiae R. E. Frenkel 1964-7-16 691 Siskiyou Near Mount Shasta, in the vicinity of Patton Meadows 2377 Comment
  CAS-BOT-BC418816  Aconogonon phytolaccifolium Doris K. Kildale 1928-8-18 6499 Siskiyou Near head of north fork of Salmon River at Finley's Upper Camp 1524 Comment
  HSC30500  Aconogonon phytolaccifolium Frederick W. Oettinger, R. F. Thorne 1969-8-7 1274 Siskiyou Marble Mtn. Wilderness Area, SE side of English Lake 1829 Comment
  CAS-BOT-BC29321  Adenocaulon bicolor A. A. Heller 1916-8-24 12558 Siskiyou Near Sisson 1074 Comment
  CAS-BOT-BC29318  Adenocaulon bicolor L. E. Smith 1913-7-1 428 Siskiyou Dunsmuir Comment
  UC1409501  Adenocaulon bicolor F. W. Oettinger 1969-8-9 1317 Siskiyou toward 5 mile Stock Gate along main North Fork trail Abbott's Upper Cabin; Salmon Mountains 1356 Comment
  CHSC99693  Adiantum aleuticum L. P. Janeway 2008-7-23 9461 Siskiyou Klamath Ranges. Trinity Mountain/The Eddys; along Road 40N45 9.8 road km north-northwest of Road 26; at a small tributary creek to upper Little Picayune Creek. Next to flowing water along a small west-flowing creek. 1847 Comment
  HSC68309  Adiantum aleuticum Maralyn A. Renner 1980-7-4 1418 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  RSA687743  Adiantum aleuticum M. B. Dunkle 1945-1 9314 Siskiyou Klamath National Forest, Marble Mountains 2439 Comment
  UC1483405  Adiantum aleuticum Maralyn A. Renner 1980-6-24 1005 Siskiyou tributary stream to East Fork Seiad Creek (where crossed by FS Rd 48N20); Klamath Nat'l Forest, Seiad Valley Quadrangle 1021 Comment
  UC401267  Adiantum aleuticum unknown Siskiyou Mt Shasta Comment
  RSA237840  Adiantum aleuticum Frederick W. Oettinger 1968-9-1 644 Siskiyou Southwest of Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  HSC102716  Aegilops cylindrica J. P. Smith 2013-6-18 13749 Siskiyou S. Main Street in Yreka. 838 Comment
  JEPS95063  Agastache parvifolia Vernon Oswald and Lowell Ahart 1997-7-28 8771 Siskiyou 16 mi s of Medicine Lake (Forest Route 49 (Powder Hill Road) at 41N03 to Porcupine Butte); Forest Route 49 (Powder Hill Road) 1365 Comment
  JEPS62933  Agastache urticifolia Geo. D. Butler 1908-8-6 171 Siskiyou trail beyond Whiskey Camp Whiskey Camp (Marble Mountains); , Whiskey Camp 1676 Comment
  RSA183725  Agastache urticifolia Gilbert Muth 1965-8-11 206 Siskiyou Marble Valley. Marble Mtns. Comment
  JEPS25851  Ageratina occidentalis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7482 Siskiyou 8 mi above and e Somes Bar (along road up Salmon River, at Grants Bluffs); Salmon River, Grants Bluffs 304 Comment
  CAS-BOT-BC29455  Ageratina occidentalis Elmer I. Applegate 1935-8-4 10029 Siskiyou Lava Beds National Monument, near northwest entrance Comment
  RSA50159  Ageratina occidentalis E. K. Balls 1949-7-10 13951 Siskiyou 1.5 miles from Finlay Camp, road from Etna to Sawyer's Bar. 817 Comment
  CAS-BOT-BC15477  Agoseris X dasycarpa Elmer I. Applegate 1923-8-19 3897 Siskiyou Medicine Lake Comment
  HSC76936  Agoseris aurantiaca K. T. Stillman 1976-8-7 210 Siskiyou Marble Mtn. Wilderness Area. 1951 Comment
  UC922276  Agoseris aurantiaca var. aurantiaca Annie M. Alexander and Louise Kellogg 1949-7-22 5839 Siskiyou trail to Kings Castle ((top of ridge)); Marble Mountains, Paradise Lake 1920 Comment
  CAS-BOT-BC15379  Agoseris grandiflora var. grandiflora Louis C. Wheeler 1934-6-11 2683 Siskiyou North Hungry Creek, Siskiyou Mountains 1310 Comment
  JEPS36251  Agoseris grandiflora var. grandiflora Geo. D. Butler 1909-5-29 751 Siskiyou near Yreka Comment
  HSC43864  Agoseris heterophylla Maralyn O'Meara 1974-5-25 373 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  UC1539996  Agoseris heterophylla var. heterophylla M. Mitchell 1935-5-14 30 Siskiyou Canby's Cross; Lava Beds National Monumnet 1234 Comment
  HSC92584  Agoseris monticola Jennifer Whipple 1977-8-4 2159 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  RSA184778  Agrostis Gilbert Muth 1966-7-31 478 Siskiyou North side of Black Mountain, Marble Mountains. 2073 Comment
  UC618636  Agrostis alba W. B. Cooke 1938-9-17 11693 Siskiyou Mount Shasta , Horse Camp Comment
  CAS-BOT-BC126983  Agrostis exarata Geo. D. Butler 1910-6-21 1595 Siskiyou Yreka Creek. Comment
  HSC26893  Agrostis exarata J. P. Smith, J. O. Sawyer 1971-9-17 4787 Siskiyou On trail up to Little Duck lake 1829 Comment
  CAS-BOT-BC139568  Agrostis gigantea W. R. Dudley 1899-8-15 s.n. Siskiyou Near Bartlets. Comment
  HSC22444  Agrostis pallens J. O. Sawyer 1969-8-1 1644 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  RSA239090  Agrostis pallens Frederick W. Oettinger 1969-9-1 1571 Siskiyou midway on slope from English Lake to Dry Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  RSA239092  Agrostis pallens Frederick W. Oettinger 1969-8-14 1377 Siskiyou At inlet to Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UCD53259  Agrostis pallens R. Tofsrud 1948-8-1 s.n. Siskiyou Few mi. N. of Happy Camp. Comment
  RSA238369  Agrostis scabra Frederick W. Oettinger 1969-9-4 1637 Siskiyou near water, outlet to Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  SEINET3916651  Agrostis scabra J. P. Smith, J. O. Sawyer; Maralyn A. O'Meara 1972-7-4 5732 Siskiyou 1.4 miles south of sugar creek on Parrott Mill Road.; 0 1341 Comment
  UC1265417  Agrostis thurberiana Frederick W. Oettinger 1969-8-22 1503 Siskiyou near Horse Range Lake (on s side of Horse Hole, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1859 Comment
  UC204766  Agrostis thurberiana Geo. D. Butler 1910-7-13 1767 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC138479  Agrostis variabilis Wm. Bridge Cooke 1938-8-18 11487 Siskiyou Mount Shasta. Horse Camp Slopes. 2514 Comment
  HSC30453  Agrostis variabilis Frederick W. Oettinger 1969-9-2 1604 Siskiyou Marble Mtn. Wilderness Area, N side of English Peak. 2165 Comment
  JEPS84245  Allium L. R. Heckard with J. Hickman et al. 1986-7-17 6522 Siskiyou e Condrey Mt.; Alex Hole 1980 Comment
  CDA39430  Allium bolanderi G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2772 Siskiyou Northwest point of Chaparral Hill overlooking Scott River, 2 miles (3.2 km) west of Fort Jones on Lighthill Grade Road. Comment
  SEINET12048083  Allium bolanderi M. Ownbey, Aase, H. C. 1946-1 52 Siskiyou 2.5 mi W of Hilt Comment
  HSC30437  Allium campanulatum Frederick W. Oettinger 1969-7-28 1089 Siskiyou Marble Mtn. Wilderness Area, N of Tom's Laver Pond 1982 Comment
  HSC82287  Allium falcifolium Thomas W. Nelson, Jane P. Nelson 1979-6-15 4810 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  CAS-BOT-BC469077  Allium falcifolium Arthur Menzies 1962-7-21 s.n. Siskiyou Mt Eddy 2529 Comment
  RSA47799  Allium falcifolium Roxana S. Ferris, Laura Lorraine 11716 Siskiyou Schoolhouse Hill, Plowman s Valley (Noyes Valley), E Fork of Scott River. Comment
  UC454416  Allium validum I. J. Condit 1909-8-25 Siskiyou Sisson, North Fork 1371 Comment
  CAS-BOT-BC478037  Allium validum G. J. Muth 1969-8-12 1385 Siskiyou Second Valley 2225 Comment
  HSC58964  Allotropa virgata Gilbert Muth 1976-7-28 5061 Siskiyou Near Sutcliffe Creek. Close to the town of Happy Camp, CA. 1415 Comment
  UC1037457  Allotropa virgata Douglas Barbe 1955-7-28 304 Siskiyou Eastern side of hill about 1/2 mile west of Scott Mtn. Forest Camp, Scott Mts. near the Trinity - Siskiyou County line 1645 Comment
  UC552958  Allotropa virgata W. Bridge Cooke 1936-9-8 Siskiyou on Mount Shasta Mount Shasta Comment
  CAS-BOT-BC171392  Alnus incana subsp. tenuifolia Alice Eastwood 1912-7-17 1172 Siskiyou Sisson Comment
  CAS-BOT-BC171401  Alnus incana subsp. tenuifolia Doris K. Kildale 1928-7-4 5544 Siskiyou 1 1/2 miles below Summit of divide between N Fork of Salmon River and Scott Valley Comment
  UC796443  Alnus incana subsp. tenuifolia Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11766 Siskiyou Forks of Salmon Rd about 6 mi from Etna 1676 Comment
  HSC27461  Alnus rhombifolia J. P. Smith, J. O. Sawyer 1972-5-28 5376 Siskiyou 1.2 mi. E. of Jackson Creek on Callahan-Cecilville Rd., Klamath National Forest 1341 Comment
  UC1045286  Alnus rhombifolia W. Bridge Cooke 1940-7-12 15313 Siskiyou along creeks leading to Box Canyon of the Sacramento (near Mt. Shasta City) Comment
  RSA452809  Alnus rhombifolia M. B. Dunkle 9178 Siskiyou Siskiyou National Forest. Comment
  UC1333317  Alnus viridis subsp. sinuata Dorothy Parker 1949-5-26 Siskiyou Sugar Creek Salmon Mountains Range 1676 Comment
  UCD55833  Alopecurus aequalis L. Whitney 1934-6-29 2234 Siskiyou Antelope Creek, near Tennant. 1463 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
  UC166283  Alyssum alyssoides Geo. D. Butler 1910-5-15 1341 Siskiyou near Yreka Comment
  CAS-BOT-BC17201  Alyssum alyssoides L. E. Smith 1913-4-22 90 Siskiyou Yreka. Comment
  CAS-BOT-BC142915  Amelanchier Volney Rattan 1879-6-1 s.n. Siskiyou Siskiyou Mountains Comment
  UCD35448  Amelanchier alnifolia Beecher Crampton 1956-8-22 3870 Siskiyou 3-4 miles east of Mt. Shasta City, Mt. Shasta Pine logging road. 1584 Comment
  HSC4953  Amelanchier alnifolia var. pumila J. O. Sawyer 1968-7-10 481 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  UC1222323  Amelanchier alnifolia var. semiintegrifolia Joseph P. Tracy 1951-6-16 19503 Siskiyou near State Line (at crossing of Takilma-Happy Camp Road, summit of the Siskiyous); Siskiyous Comment
  HSC76639  Amelanchier pallida K. T. Stillman 1976-6-25 83 Siskiyou Marble Mtn. Wilderness Area, N side of Elk Valley. 1799 Comment
  JEPS123660  Amelanchier pallida C. S. Campbell, M. Lorusso 2011-5-20 11 -350 Siskiyou Pat Trinca's property, east side of Hilt Valley Comment
  RSA211454  Amelanchier pallida William J. Ferlatte 1966-6-23 149 Siskiyou Between campground and S. Fork of the Salmon River. 1524 Comment
  RSA237662  Amelanchier pumila Frederick W. Oettinger 1967-7-22 179 Siskiyou E facing massive granite slope just SSE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC136902  Amelanchier utahensis Alice Eastwood 1921-7-24 10730 Siskiyou Castle Lake Comment
  CAS-BOT-BC136922  Amelanchier utahensis W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Fox Mountain Comment
  UC24604 Image available Amsinckia intermedia T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  HSC29228  Anaphalis margaritacea Frederick W. Oettinger 1969-8-15 1382 Siskiyou High Lake Basins near English Peak, Marble Mountain Wilderness Area; N of Upper English Lake 1776 Comment
  JEPS20045  Androsace elongata subsp. acuta George D. Butler 1909-3-7 579 Siskiyou near Yreka (Butcher Hill); Butcher Hill Comment
  HSC58917  Anemone deltoidea Marvin Butler 1971-7-11 97 Siskiyou Near Bell Echo Camp 1403 Comment
  HSC68474  Anemone deltoidea Maralyn A. Renner 1980-6-26 1221 Siskiyou SE edge of Flint Valley. 1390 Comment
  HSC722  Anemone drummondii William J. Ferlatte 1966-6-23 120 Siskiyou Dorleska Summit 2134 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
  JEPS84230  Anemone drummondii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6424 Siskiyou ca. 5 mi. n. town of Seiad Valley (e. slope of Kangaroo Mt., cirque at head of Hell's Canyon); Kangaroo Mt., head of Hell's Canyon 1828 Comment
  CAS-BOT-BC391857  Anemone drummondii Dorothy Parker 1945-6-8 75 Siskiyou Rock Fence Lake to Deadfall Comment
  JEPS82704  Anemone drummondii Wayne Roderick 1984-6-7 Siskiyou on Hwy. 17 on rd. to Mt. Eddy (n. side) Comment
  HSC22429  Anemone lyallii J. O. Sawyer 1969-7-11 1318 Siskiyou Slope above S Fork of Sugar Creek 1982 Comment
  CAS-BOT-BC391969  Anemone occidentalis Geo. D. Butler 1910-7-10 1736 Siskiyou Upper Campbell Lake 1676 Comment
  UC609339  Anemone occidentalis Eleanor Burks Hart 1938-8-18 912 Siskiyou Boulder Peak 2529 Comment
  CAS-BOT-BC391981  Anemone occidentalis Joseph P. Tracy 1935-7-30 14386 Siskiyou On N.E. side of peak. Salmon Summit 2103 Comment
  HSC28741  Anemone occidentalis Frederick W. Oettinger 1968-8-4 389 Siskiyou Marble Mtn. Wilderness Area, along trail N of Crapo Peak Ridge 2195 Comment
  CDA39499  Anemopsis californica Cliff Giebner 1960-6-21 4540 Siskiyou Whitset Ranch. Yreka. 0 Comment
  UCD127105  Angelica arguta R. Tofsrud 1948-8-3 s.n. Siskiyou Siskiyou-Del Norte (Oregon) County Line: Summit of Happy Camp, Waldo (Oregon) Road. 1554 Comment
  UC166576  Antennaria argentea Geo. D. Butler 1909-5-9 700 Siskiyou (North Lennox St.) Yreka Comment
  UC54134  Antennaria dimorpha H. M. Hall and E. B. Babcock 1903-6-16 4101 Siskiyou Little Shasta Valley Sierra Nevada Mountains, Mount Shasta 853 Comment
  JEPS13177  Antennaria geyeri W. L. Jepson 1894-1 Siskiyou Sisson Comment
  UC891586  Antennaria geyeri Alice Eastwood 1912-7-15 1061 a Siskiyou McCloud Comment
  POM253189  Antennaria geyeri A. A. Heller 1938-7-12 15245 Siskiyou Occasional plants along U.S. Highway #97 in gravelly soil 5 miles north of Weed. 1067 Comment
  CAS-BOT-BC77301  Antennaria media G. J. Muth 1969-8-8 1298 Siskiyou Boulder Peak Ridge, Gap 2286 Comment
  CAS-BOT-BC79905  Antennaria microphylla Gilbert Muth 1966-7-25 451 Siskiyou Marble Mountain Lookout, Marble Mts. 2097 Comment
  CAS-BOT-BC84792  Antennaria racemosa Geo. D. Butler 1910-6-4 1502 Siskiyou Shackleford Creek Comment
  HSC62589  Antennaria racemosa Al Hobart 1967-8-8 Siskiyou Youngs Valley Comment
  HSC69506  Antennaria rosea subsp. rosea John Palmer 1980-7-24 654 Siskiyou Dillon Divide 1707 Comment
  HSC4638  Antennaria rosea subsp. rosea R. C. Wunner 1965-6-10 135 Siskiyou California Lava Beds National Monument; Caldwell Butte near Summit 1524 Comment
  HSC29203  Antennaria umbrinella Frederick W. Oettinger 1969-9-3 1615 Siskiyou Marble Mtn. Wilderness Area, 'Shasta Ridge' between English Peak and Diamond Lake 2073 Comment
  CHSC1686  Antirrhinum vexillo-calyculatum subsp. breweri V. Holt 1943-8-5 Siskiyou Scott Valley. 1158 Comment
  RSA425832  Antirrhinum vexillocalyculatum subsp. breweri J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5724 Siskiyou Road 8, 3.5 miles from junction with French Creek road. 915 Comment
  UC1282014  Apocynum androsaemifolium Louise Kellogg 1953-8-8 110 Siskiyou on rd. between Callahan and Trinity Center (n.w. slope Scott Mt.); Klamath Nat'l Forest, Scott Mts., Mule Creek 1402 Comment
  CAS-BOT-BC394987  Aquilegia formosa A. A. Heller 1905-6-22 13499 Siskiyou Between Igerna and Weed Comment
  UC1409275  Aquilegia formosa Frederick W. Oettinger 1968-8-6 422 Siskiyou se corner of Hancock Lake Salmon Mtns, Marble Mt. Wilderness Area 1935 Comment
  UCR47856  Aquilegia formosa Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  HSC6556  Arabis divaricarpa Marion Ownbey, Ruth Ownbey 1938-7-20 1760 Siskiyou 1 mi. E of Dry Lake Lookout, summit of Siskiyou Mtns. Comment
  HSC22441  Arabis divaricarpa J. O. Sawyer 1969-7-9 1257 Siskiyou W facing slope above Bingham Lake 2317 Comment
  HSC22442  Arabis divaricarpa var. interposita J. O. Sawyer 1969-6-2 1020 Siskiyou Summit above Albert Lake 2256 Comment
  HSC22430  Arabis holboellii var. retrofracta J. O. Sawyer 1969-7-9 1248 Siskiyou W facing slope above Bingham Lake 2317 Comment
  HSC40072  Arabis holboellii var. retrofracta J. P. Smith, Steve Selva 1970-6-15 3963 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  HSC6537  Arabis holboellii var. retrofracta R. C. Wunner 1965-6-29 288 Siskiyou California Lava Beds National Monument; S. Tichner Rd., 1.5 mi. S from Mammoth Crater 1555 Comment
  HSC92692  Arabis modesta D. L. Goforth 1980-4-26 487 Siskiyou Klamath River at McKinney Creek 537 Comment
  SFV1406  Arabis modesta A. M. Vollmer, L. Beane 1951-6-2 73 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway. Comment
  HSC26702  Arabis platysperma William J. Ferlatte 1971-9-18 1374 Siskiyou Caribou Meadow on N side of Caribou Mtn. 1982 Comment
  HSC62262  Arabis platysperma Al Hobart Siskiyou Youngs Valley Comment
  HSC79319  Arabis platysperma var. platysperma D. H. Norris 1968-8-7 2263 Siskiyou Crest of Caribou Rim along trail from Big Flat to Caribou Basin 2470 Comment
  HSC46181  Arabis subpinnatifida Jennifer Whipple 1977-4-30 1881 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  UC375282  Arabis subpinnatifida Geo. D. Butler Apr 8 1909-May 2 1909 587 Siskiyou near Yreka Comment
  HSC46182  Arabis subpinnatifida Jennifer Whipple 1977-4-29 1867 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  CAS-BOT-BC171030  Aralia californica L. E. Smith 1913-7-4 453 Siskiyou North fork Castle Creek Comment
  CDA40892  Aralia californica G. F. Hrusa 1998-7-5 14692 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy., at mile 5.x. Sheet 2 of 2 Comment
  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
  RSA608669  Arceuthobium abietinum Louis C. Wheeler 1963-9-11 8384 Siskiyou Siskiyou Mountains: Dillon Creek, just N of hanging pond NE of Sawtooth Mountain. Comment
  SEINET2140102  Arceuthobium californicum R. L. Mathiasen 2003-1 2003 -37 Siskiyou 16 km from St. Rte 96 on forest rd. 14N21 (Killon Mtn. Rd.). 1360 Comment
  SEINET2471281  Arceuthobium cyanocarpum R. L. Mathiasen 2007-8-9 2007 -34 Siskiyou 2 km NE of Park Creek trail head on forest road 17 1980 Comment
  CDA6782  Arctium minus Bill Huse 1958-9-6 1214 -58 Siskiyou Meiss Ranch, Macdoel. 0 Comment
  CAS-BOT-BC102216  Arctium minus Louis C. Wheeler 1934-9-17 3276 Siskiyou Klamath National Forest. Dutch Creek 701 Comment
  CDA6781  Arctium minus T. C. Fuller 1960-8-23 4965 Siskiyou ca. 1 mile south of Greenview. 0 Comment
  SEINET11989681  Arctostaphylos klamathensis Unknown 1982-1 20804 Siskiyou above uppermost lake above Terrace Lake 1981 Comment
  SEINET11998396  Arctostaphylos klamathensis R. Raiche, Edwards, S. 1986-1 60256 Siskiyou Terrace Lake 1914 Comment
  CAS-BOT-BC40017  Arctostaphylos nevadensis Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Shackleford Trail below Bull Meadow Comment
  HSC67697  Arctostaphylos nevadensis John Palmer 1980-7-24 581 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC69365  Arctostaphylos nevadensis J. O. Sawyer, J. Cole 1980-7-19 3670 Siskiyou N and W of Little Mt. Hoffman 1982 Comment
  POM367358  Arctostaphylos nevadensis H. P. Bracelin 1931-6-19 428 Siskiyou North side of Mt. Eddy, up from Metcalf's ranch house. 1250 Comment
  POM367359  Arctostaphylos nevadensis L. C. Wheeler 1934-7-23 2943 Siskiyou Long John Creek. 1463 Comment
  UC61678  Arctostaphylos nevadensis Geo. B. Grant Sept 1902 5128 Siskiyou Horse Camp Mt. Shasta 2438 Comment
  LA42205  Arctostaphylos nevadensis Wm. Bridge Cooke; 1939-8-8 13835 Siskiyou Mount Shasta 2468 Comment
  CAS-BOT-BC46427  Arctostaphylos patula Alice Eastwood 1921-7-28 10891 Siskiyou Little Mt. Hoffman. Comment
  HSC68377  Arctostaphylos patula Maralyn A. Renner 1980-6-26 1211 Siskiyou N edge of Flint Valley 1390 Comment
  RSA238584  Arctostaphylos patula Frederick W. Oettinger 1967-8-26 324 Siskiyou Top of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  UC410485  Arctostaphylos patula Mrs. Eric Anderson 1923-4-19 Siskiyou Shasta Spring Comment
  UC673189  Arctostaphylos patula Lincoln Constance and Reed C. Rollins 1942-5-14 2921 Siskiyou 3 mi w Yreka (road to Walker Post Office); Klamath-Siskiyou Region 1219 Comment
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Mar 27 2013
  CDA38691  Arctostaphylos patula T. C. Fuller 1962-6-13 8991 Siskiyou Road to Medicine Lake, 3.2 miles north of Bartle. 0 Comment
  POM367491  Arctostaphylos viscida subsp. viscida Geo L. Moxley 1920-06 s.n. Siskiyou Siskiyou Mts. Comment
  RSA12620  Arenaria congesta C. B. Wolf 1934-7-5 5965 Siskiyou 3.6 miles from Dry Lake Lookout on road to Horse Creek, Siskiyou Mountains 1982 Comment
  UC1608344  Arenaria congesta J. Kierstead 1990-7-15 90 -98 Siskiyou 6 mi w Town of Mt. Shasta; Shasta-Trinity National Forests,Mt. Shasta Ranger Dist., Mor 1584 Comment
  RSA237838  Arenaria congesta Frederick W. Oettinger 1968-8-4 395 Siskiyou Trail break on Crapo Peak Ridge. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  JEPS81883  Arenaria congesta var. congesta Roger Raiche 1982-7-7 20567 Siskiyou Condrey Mt. 2164 Comment
  RSA105498  Arenaria congesta var. suffrutescens G. D. Barbe 1955-7-26 263 Siskiyou On northwest slope of Scott Mtn. 1829 Comment
  UCD37073  Aristida oligantha Beecher Crampton 1956-8-20 3798 Siskiyou Siskiyou County, 0.5 mile south Dunsmuir, along U.S. Highway 99. 701 Comment
  JEPS98789  Arnica Sue Pappalardo 1993-7-19 495 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
  HSC29302  Arnica amplexicaulis Frederick W. Oettinger 1968-9-1 648 Siskiyou Marble Mtn. Wilderness Area, SSW of Abbotts Lake 1799 Comment
  CAS-BOT-BC82365  Arnica cordifolia J. H. Thomas 1954-5-13 4130 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, 1066 Comment
  UC581752  Arnica discoidea Dr. Edward Palmer Jul 13 1892-Jul 27 1892 2455 Siskiyou Mount Shasta and vicinity Mount Shasta Comment
  CHSC95117  Arnica latifolia L. P. Janeway 2006-7-2 8740 Siskiyou Klamath Ranges. Salmon Mountains; headwaters of West Fork Whites Gulch, a tributary of North Fork Salmon River from the south; between sharp switchbacks of Road 40N61. Steep north-facing slope just above alder-shaded creek. 1561 Comment
  HSC713  Arnica latifolia William J. Ferlatte 1967-8-20 1042 Siskiyou Carabou Basin 2287 Comment
  RSA261524  Arnica latifolia J. M. Tucker, L. K. Mann 1963-7-5 3701 Siskiyou Blake's Fork of South Russian Creek (a tributary of the Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1616 Comment
  UC129423  Arnica latifolia Harley P. Chandler 1901-6-1 1699 Siskiyou Shackleford Canyon North Coast Ranges, Marble Mountain ((ridges and meadows near Marble Mountain)) 1828 Comment
  JEPS80517  Arnica nevadensis Gilbert Muth 1966-7-19 431 Siskiyou Lookout Trail Marble Mt. Wilderness Area 1828 Comment
  LA202929  Arnica viscosa Wm. Bridge Cooke; 1939-8-8 13833 Siskiyou Mount Shasta, in the valley of Horse Camp 2468 Comment
  UCD129189  Artemisia arbuscula J. M. Tucker; L. K. Mann 1963-8-18 3764 Siskiyou saddle between Marble Mountain and southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2103 Comment
  POM211808  Artemisia arbuscula subsp. arbuscula L. C. Wheeler 1934-8-26 3226 Siskiyou Trapper Creek, Siskiyou Mountains. (Mt Diablo Mer.) 1982 Comment
  CAS-BOT-BC499176  Artemisia douglasiana Doris K. Kildale 1928-7-25 5904 Siskiyou Klamath River at Mack's Creek near Hamburg Comment
  CAS-BOT-BC90478  Artemisia douglasiana D. D. K. 1938-8-19 11509 Siskiyou along the margin of, and in the vicinity of, one of the overflow creeks from the Mount Shasta reservoir above Howard 1219 Comment
  CAS-BOT-BC90741  Artemisia ludoviciana subsp. incompta Gilbert Muth 1965-8-18 s.n. Siskiyou [Nort] North side of Black Mountain Comment
  CDA10177  Artemisia tridentata F. D. Horn 1977-10-5 Siskiyou Approximately 12 miles northeast of Weed; Shasta Vista Estates. 0 Comment
  CAS-BOT-BC447711  Aruncus dioicus var. vulgaris Edward Lee 1934-8-11 1031 Siskiyou Walker Creek, a tributary of the Klamath River (east end of Seiad Valley) 609 Comment
  UCR131603  Aruncus vulgaris L. C. Wheeler 1934-8-17 3179 Siskiyou Siskiyou Mtns., north side of White Mtn 1829 Comment
  CAS-BOT-BC400599  Asarum caudatum J. M. Tucker; L. K. Mann 1963-7-9 3736 Siskiyou Canyon Creek Trail, ca. 1 mile east of Marble Valley Guard Station, Marble Mountain Wilderness Area 1524 Comment
  CAS-BOT-BC400696  Asarum hartwegii Doris K. Kildale 1929-5-26 9195 Siskiyou Hawkins Bar on Salmon River 609 Comment
  CAS-BOT-BC400706  Asarum hartwegii Elmer I. Applegate 1895-5-29 649 Siskiyou Sacramento Canyon below Sisson Comment
  SBBG16539  Asclepias cordifolia D. Myrick 1961-6-20 271 Siskiyou near Mt Shasta City 1066 Comment
  UC164123  Asclepias cordifolia Geo. D. Butler 1910-5-23 1396 Siskiyou Humbug Mountain 1219 Comment
  SD53385  Asclepias speciosa Darley F. Howe 1962-8-4 3393 Siskiyou Near summit of Baldy Mountain 1735 Comment
  RSA401106  Asclepias speciosa B. C. Templeton 1957-6-23 s.n. Siskiyou North of Callahan on Hwy. 3 Comment
  UCSB23331  Asclepias speciosa Keefe, Joseph 1967-7-11 Siskiyou 0.2 mile south of Old Stage Road on Castle Stage Road, near Mt. Shasta Hatchery, town of Mt. Shasta 1097 Comment
  CAS-BOT-BC69558  Aspidotis densa John Thomas Howell 1939-8-2 14902 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  RSA792295  Aspidotis densa Rebecca Wenk 2008-7-25 957 Siskiyou Trail from where the Pacific Crest Trail crosses Forest Highway 93/Cecilville Road to Hidden Lake. 1890 Comment
  POM39489  Aster torreyi Edward Palmer 1892-7-13 2516 Siskiyou Mount Shasta and vicinity Comment
  POM16255  Astragalus accidens var. hendersonii E. B. Copeland 1903-7-6 3512 Siskiyou Hornbrook. Comment
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Jan 23 2011
  CAS-BOT-BC178813  Astragalus californicus L. E. Smith 1914-5-14 697 Siskiyou Yreka Comment
  CDA26648  Astragalus curvicarpus T. C. Fuller 1965-6-2 13591 Siskiyou Big Springs district, north slope of Mt. Shasta, road from Grenada, 8.3 miles northwest of Dorris-Weed Highway. 0 Comment
  UC168740  Astragalus curvicarpus var. curvicarpus Katharine Brandegee July 1887 Siskiyou Ager Comment
  RSA715776  Astragalus filipes L. Ahart 2005-6-10 12092 Siskiyou About 150 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  UC82564  Astragalus filipes Katharine Brandegee June 1887 Siskiyou Shasta Plains Comment
  CAS-BOT-BC187306  Astragalus lentiginosus var. lentiginosus A. A. Heller 1905-6-19 8062 Siskiyou Grenada Station Comment
  CAS-BOT-BC192920  Astragalus purshii var. lectulus L. E. Smith 1914-4-20 634 Siskiyou Yreka Comment
  HSC71345  Astragalus purshii var. lectulus J. P. Smith 1976-5-22 8782 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  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
  CAS-BOT-BC193066  Astragalus purshii var. tinctus Geo. D. Butler 1909-5-8 708 Siskiyou Near Yreka Comment
  HSC46184  Astragalus purshii var. tinctus Jennifer Whipple 1977-4-30 1879 Siskiyou Scott Valley near Weston Gulch on open hillside 854 Comment
  JEPS82266  Astragalus whitneyi var. siskiyouensis Roger Raiche 1983-8-13 30596 Siskiyou summit area of Mt. Eddy 2743 Comment
  CAS-BOT-BC199150  Astragalus whitneyi var. siskiyouensis W. R. Dudley 1899-8-26 s.n. Siskiyou Slope of Mt. Eddy. Comment
  CAS-BOT-BC94462  Astragalus whitneyi var. siskiyouensis R. C. Wenk 2005-7-19 319 Siskiyou Along Pacific Crest Trail, 1-2 miles S of parking lot at top of pass on National Forest Road 17, going towards Mt. Eddy 2133 Comment
  UCSB11069  Asyneuma prenanthoides Dearing, Hugh; Dearing, Margaret 1939-6-3 Siskiyou Near Scott's Bar 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
  RSA693556  Athyrium americanum M. B. Dunkle 1945-07 s.n. Siskiyou Klamath National Forest; Marble Mts. Comment
  CAS-BOT-BC66190  Athyrium filix-femina var. cyclosorum H. A. Thomas; J. H. Thomas 1954-7-22 4449 Siskiyou Salmon - Trinity Mts., about 6 miles SE of Cecilville, between Rush and Big Bend Creeks, 975 Comment
  CAS-BOT-BC66192  Athyrium filix-femina var. cyclosorum Ira L. Wiggins 1955-7-24 13500 Siskiyou Trail at crossing of China Creek, above diversion dam 1301 Comment
  UC399379  Athyrium filix-femina var. cyclosorum Geo. D. Butler 1908-8-4 244 Siskiyou Woolly Creek Cold Spring Comment
  HSC4354  Atriplex rosea L. C. Wheeler 1934-10-24 3348 Siskiyou Oak Knoll Ranger Station, Klamath River 671 Comment
  UC1191369  Atriplex truncata Verne Grant and Irving Schneider 1947-8-26 8301 Siskiyou alkali flats by Interstate Highway (Lower Klamath Lake); Lower Klamath Lake Comment
  UC204768  Avena sativa Geo. D. Butler 1908-6-25 1093 Siskiyou old fields near Yreka Comment
  SEINET7239737 Image available Balsamorhiza deltoidea G. D. Butler 1910-4-16 1180 Siskiyou Klamath Hills Comment
  SEINET7042825  Balsamorhiza hookeri var. lanata 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
  POM350744  Balsamorhiza terebinthacea M. A. Baker 1977-5-22 327 Siskiyou One mile west of Hwy 3 on moist south-facing bank of road to Little Duck Lake and Sugar Lake. Comment
  HSC203  Barbarea orthoceras William J. Ferlatte 1966-6-22 94 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  JEPS25644  Barbarea orthoceras Rimo Bacigalupi with Mr. and Mrs. Van Deventer of Fort Dick 1959-7-9 7284 Siskiyou Edges of meadow at Poker Flat 1536 Comment
  HSC26925  Berberis aquifolium var. repens J. P. Smith, J. O. Sawyer 1971-9-18 4848 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  CAS-BOT-BC75720  Berberis nervosa Louis C. Wheeler 1934-6-29 2822 Siskiyou Klamath Forest. Soda Creek. 1280 Comment
  CAS-BOT-BC75722  Berberis nervosa Alice Eastwood 1921-7-26 10862 Siskiyou Soda Creek. Comment
  HSC73992  Berberis nervosa Gail Newton 1980-6-20 524 Siskiyou Near Bald Mtn. 1326 Comment
  CAS-BOT-BC75918  Berberis piperiana Doris K. Kildale 1929-4-27 7500 Siskiyou Cecilville upper South Fork of Salmon River. Comment
  CAS-BOT-BC75921  Berberis piperiana Doris K. Kildale 1929-5-12 7780 Siskiyou Sawyers Bar North Fork of Salmon River. Comment
  CAS-BOT-BC75999  Berberis pumila L. E. Smith 1913-5-4 249 Siskiyou Hornbrook. Comment
  CAS-BOT-BC76004  Berberis pumila John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53389 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones. 1249 Comment
  CHSC78497  Betula occidentalis Vernon H. Oswald 2000-8-28 9952 Siskiyou Kangaroo Lake Road ca. 0.5 mi north of the road to Rock Fence Creek Lake. 1487 Comment
  JEPS107288  Betula occidentalis Lowell Ahart, John Dittes 2005-6-10 12072 Siskiyou On N side of the Shasta R., near rocky hillside N of the Shasta R., S of poor dirt road, ca. 50 yd NW of the pump house along the Shasta R., ca. 1.9 mi (air) S of Hwy 99/97 Cutoff, ca. 6 mi (air) east-SE of Grenada 776 Comment
  UC726782  Betula occidentalis A. A. Heller 1918-7-16 13036 Siskiyou Mt. Eddy 1524 Comment
  CAS-BOT-BC102064  Bidens frondosa Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar Comment
  CAS-BOT-BC413082  Bistorta bistortoides Frank W. Gould 1940-5-14 1227 Siskiyou Bull Meadow, Goosenest Mountain 1524 Comment
  UCSB24981  Bistorta bistortoides Keefe, Joseph 1967-7-11 Siskiyou Little Castle Lake, southeast of Castle Lake, 10 miles southwest of city of Mt. Shasta 1981 Comment
  JEPS22627  Blepharipappus scaber Duncan Dunning 1922-6-5 Siskiyou nw of Fort Jones (Moffett Creek); Moffett Creek Comment
  UC135106  Blepharipappus scaber Dr. E. B. Copeland 1903-7-3 3524 Siskiyou Klamathon Comment
  UC595077  Blepharipappus scaber David D. Keck 1938-8-8 4861 Siskiyou near Mill Creek (on hillside .4 mi s of Scott Mt. Lodge, Scott Mts.); Scott Mts. 1036 Comment
  CAS-BOT-BC127941  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-BC127974  Blepharipappus scaber R. C. Barneby 1954-5-16 11526 Siskiyou 7 mi. n.e. of Fort Jones 1005 Comment
  CAS-BOT-BC127975  Blepharipappus scaber David D. Keck 1949-7-19 6356 Siskiyou 6.5 mi. SW of Yreka on Road to Ft. Jones, nr. head of Yreka Creek at first spring Serpentine outcropping here. 1127 Comment
  POM208286  Blepharipappus scaber L. C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek, Siskiyou Mountains. Mt. Diablo Mer. 915 Comment
  POM53772  Blepharipappus scaber E. B. Copeland 1903-7-3 3524 Siskiyou Klamathon. Comment
  CAS-BOT-BC16871  Boechera R. C. Wenk 2005-7-15 217 Siskiyou Trinity Alps, above S Fork of Salmon R., along the Yellow Rose Mine Trail, top of pass going N towards Preacher's Peak 2133 Comment
  JEPS82691  Boechera breweri Steve Edwards 1984-6-7 Siskiyou South China Mtn. 2286 Comment
  CAS-BOT-BC16050  Boechera breweri subsp. shastaensis Lincoln Constance; Reed Clark Rollins 1942-5-14 2930 Siskiyou Klamath-Siskiyou Region. Shasta River 6 miles north of Yreka. 762 Comment
  LA204396  Boechera howellii Wm. Bridge Cooke; 1939-7-26 13773 Siskiyou Mount Shasta, along the Summit Trail below Lake Helen 2895 Comment
  CHSC471  Boechera lyallii V. Holt 1943-8-8 Siskiyou Marble Mountains. 1828 Comment
  CAS-BOT-BC14409  Boechera platysperma S. K. Harris; C. C. Harris 1939-8-29 6039 Siskiyou Marble Mountain Primitive Area. Half Moon Meadow. 1676 Comment
  CAS-BOT-BC25620  Boechera retrofracta Doris K. Kildale 1928-7-2 5372 Siskiyou Salmon Summit via Horn Creek Trail. 1981 Comment
  CAS-BOT-BC25622  Boechera retrofracta C. L. Hitchcock; J. S. Martin 1939-7-9 5310 Siskiyou Between King's Castle and Black Mountain west side of ridge. 1828 Comment
  SEINET3166093  Boechera rollei P. J. Alexander 2008-7-24 869 -B, C Siskiyou Below the Pacific Crest Trail on the E side of Lilypad Lake, +-0.6 miles S of Red Butte, +-5.5 miles N of Seiad Valley, Siskiyou Mountains, Rogue River National Forest. 1737 Comment
  HSC72872  Boschniakia strobilacea M. A. Baker 1980-6-20 2206 Siskiyou Near Bald Mtn. 1036 Comment
  UCD78124  Botrychium multifidum Robert E. Preston 2001-8-26 1762 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake. 1883 Comment
  UC662434  Botrychium pumicola W. Bridge Cooke 1941-8-21 16223 Siskiyou basin near the spur on S bank of Diller Canyon, W side of Shastina Mount Shasta 2751 Comment
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Jul 3 2007
  HSC65509  Boykinia major Rich White 1977-7-7 107 Siskiyou NE shore of Devil's Punchbowl 1433 Comment
  JEPS74518  Boykinia major W. J. Ferlatte 1966-8-3 289 Siskiyou Josephine Lake Basin; Trinity Alps, Josephine Lake basin 1676 Comment
  UCR101155  Boykinia major L. C. Wheeler 1958-8-21 7419 Siskiyou Siskiyou Mtns., Head of Hell's Canyon 993 Comment
  SD61021  Boykinia occidentalis Darley F. Howe 1964-8-7 Siskiyou 8.2 mi. from #96 on Mill Creek Road. Hoopa Valley 1067 Comment
  CAS-BOT-BC127859  Brickellia grandiflora Wm. Bridge Cooke 1941-8-22 16209 Siskiyou among lava boulders in the Lava Park above Bolam Station on the north side of Mt. Shasta 1524 Comment
  UC3257  Brodiaea coronaria subsp. coronaria Miss Edmonds 1890-7-8 Siskiyou Comment
  SEINET8401322  Brodiaea elegans L. E. Detling 1959-6-8 8225 Siskiyou Scott River near Scott Bar. 579 Comment
  CAS-BOT-BC144105  Bromus Ira L. Wiggins 1950-5-27 12354 Siskiyou Banks of east fork of Scott River, at Callahan Ranger Station, Callahan. 975 Comment
  CAS-BOT-BC149059  Bromus carinatus var. carinatus L. R. Short 1933-5-30 130 Siskiyou Klamath Forest. Miller Gulch. 609 Comment
  CAS-BOT-BC148793  Bromus carinatus var. marginatus K. T. Stillman 1976-7-15 248 Siskiyou Marble Mountain Wildneress Area. Comment
  HSC30547  Bromus carinatus var. marginatus Frederick W. Oettinger 1969-8-18 1424 Siskiyou Marble Mtn. Wilderness Area, Horse Range Lake 1822 Comment
  UCD59177  Bromus carinatus var. marginatus Geo. D. Butler 1909-5-21 815 Siskiyou Near Yreka. Comment
  HSC100248  Bromus diandrus J. P. Smith, & J. O. Sawyer 2010-5-2 12800 Siskiyou River access road, on the Salmon River. 164 Comment
  UCD58774  Bromus hordeaceus A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3392 Siskiyou 7 miles N of Weed. Comment
  UCSB63786  Bromus japonicus Oswald, Vernon; Ahart, Lowell 1998-7-21 Siskiyou Hwy 97 between Weed and Macdoel at W end of Grass Lake (T44N R3W NE1/4 Sect 28) 1524 Comment
  UCD58952  Bromus laevipes Robert E. Preston 2001-6-23 1620 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest. N-facing slope of Rainbow Mtn. 1706 Comment
  HSC68521  Bromus orcuttianus Maralyn A. Renner 1980-6-23 983 Siskiyou W Fork Seiad Creek 878 Comment
  SJSU6526  Bromus orcuttianus R. W. Trivelpiece 1972-6-15 113 Siskiyou Vann Creek near Bear Peak c. 15 mi SW of Happy Camp 1341 Comment
  CAS-BOT-BC161705  Bromus rubens L. R. Short 1933-5-31 80 Siskiyou Klamath Forest. Cougar Gulch. 914 Comment
  HSC100203  Bromus tectorum J. P. Smith, , J. O. Sawyer, & R. J. Cole 2011-5-22 13175 Siskiyou Along road from Cecilville to Forks of Salmon 743 Comment
  UC673211  Cacaliopsis nardosmia Lincoln Constance, Reed C. Rollins 1942-5-13 2906 Siskiyou Northwestern; Klamath Ranges Region; Klamath-Siskiyou Region: Klamath River 4 miles east of Seiad, alt. 1500 ft. 457 Comment
  HSC23101  Calamagrostis breweri J. O. Sawyer 1969-8-5 1755 Siskiyou W of Little Duck Lake 2073 Comment
  HSC31104  Calamagrostis canadensis var. langsdorffii Frederick W. Oettinger 1969-9-4 1652 Siskiyou Marble Mtn. Wilderness Area, Tobacco Lake 1890 Comment
  HSC30648  Calamagrostis koelerioides Frederick W. Oettinger, R. F. Thorne 1969-8-4 1162 Siskiyou Salmon Mountains, above Halfway Spring on trail from English Lake to Diamond Lake 1829 Comment
  HSC91977  Calamagrostis koelerioides Jennifer Whipple 1976-8-20 1717 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2470 Comment
  UC1265349  Calamagrostis koelerioides F. W. Oettinger 1968-9-7 772 Siskiyou nw slope of ridge above Tobacco Lake; Salmon Mountains 2011 Comment
  UCD57332  Calamagrostis koelerioides Geo. D. Butler 1910-7-7 1651 Siskiyou Shackleford Creek. Comment
  HSC28744  Callitriche heterophylla var. heterophylla Frederick W. Oettinger 1969-8-15 1388 Siskiyou Marble Mtn. Wilderness Area, inlet of Upper English Lake 1768 Comment
  UC163689  Callitriche verna Geo. D. Butler 1908-12-27 1540 Siskiyou creek near Oro Fino Comment
  HSC19310  Callitropsis nootkatensis J. O. Sawyer 1968-9-9 646 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  CAS-BOT-BC85734  Calocedrus decurrens A. A. Heller 1915-8-26 12254 Siskiyou Metcalf's ranch at the foot of Mt. Eddy 1188 Comment
  HSC31499  Calocedrus decurrens Steve Selva, Roger Jensen 1974-8-17 22 Siskiyou Base of Sugar Lake trail along Road 40N23 Comment
  OBI7407  Calocedrus decurrens Bernard Smith 1965-10-2 s.n. Siskiyou McCloud River drainage. 1/2 mi N of McCloud near old CCC camp 1372 Comment
  UC60898  Calocedrus decurrens W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mt. Shasta Comment
  UC813615  Calocedrus decurrens A. A. Heller 1915-8-26 12254 Siskiyou at the foot Mt. Eddy (Metcalf's Ranch) 1188 Comment
  CHSC30091  Calochortus coeruleus M. S. Taylor 1980-7-8 3109 Siskiyou On trail, e side of Castle Lake to Little Castle Lake. 1767 Comment
  HSC26554  Calochortus coeruleus D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19526 Siskiyou Snowman's Hill Summit 3 mi. W of McCloud on Hwy. 89 Comment
  RSA78681  Calochortus coeruleus Philip A. Munz 1952-7-2 17874 Siskiyou Baldy Mt. Road, NW of Happy Camp, Siskiyou Mts. 1493 Comment
  RSA360080  Calochortus coeruleus Louis C. Wheeler 1934-6-7 2655 Siskiyou North Hungry Creek. 1220 Comment
  UC375199  Calochortus elegans Geo. D. Butler 1908-8-6 114 Siskiyou divide between Wooley Creek and Independence Creek Comment
  UCD139507  Calochortus elegans Nancy J. Hull 1974-5-27 136 Siskiyou Sugar Creek Road by Sugar Creek Dam, west of Scott Valley. Comment
  CAS-BOT-BC132419  Calochortus longebarbatus Eric F. Heinitz 1980-7-17 27 Siskiyou Meadow at Tom Young Flat ca. 2 mi. NW of Pondosa 1292 Comment
  UCD139525  Calochortus longebarbatus var. longebarbatus J. D. Jokerst 1983-7-21 1864 Siskiyou Center of the east edge of the large meadow at Wiley Ranch. Comment
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Oct 9 2014
  SBBG22937  Calochortus nudus H. and M. Dearing 1939-6-5 3558 Siskiyou S of McCloud Comment
  CAS-BOT-BC181514  Caltha leptosepala H. A. Thomas; J. H. Thomas 1954-7-24 4498 Siskiyou Vicinity of Rush Lake and Rush Creek Meadow, about 9 miles E of Cecilville, Salmon - Trinity Mts. 1981 Comment
  CAS-BOT-BC181515  Caltha leptosepala H. A. Thomas; J. H. Thomas 1954-7-24 4498 Siskiyou Vicinity of Rush Lake and Rush Creek Meadow, about 9 miles E of Cecilville, Salmon - Trinity Mts. 1981 Comment
  HSC4944  Caltha leptosepala J. O. Sawyer 1968-7-22 256 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  CHSC95109  Caltha leptosepala var. biflora L. P. Janeway 2006-7-4 8782 Siskiyou Klamath Ranges. Scott Mountains; Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  UCR70790  Calycadenia truncata subsp. scabrella L. C. Wheeler 1934-10-6 03310 Siskiyou Shasta Valley, 2 mi. SE of Yreka 856 Comment
  POM210917  Calycadenia truncata subsp. scabrella L. C. Wheeler 1934-10-6 3310 Siskiyou Shasta Valley, 2 mi. SE of Yreka. 854 Comment
  POM52739  Calycadenia truncata subsp. scabrella Geo. D. Butler 1910-7-30 1801 Siskiyou Near Yreka. Comment
  SBBG16542  Calyptridium monospermum D. Myrick 1961-6-20 272 Siskiyou near Mt Shasta City 1066 Comment
  UC1090385  Calyptridium monospermum Milo S. Baker 1957-6-15 13116 Siskiyou road cut just s of Weed Comment
  UC725675  Calystegia malacophylla subsp. malacophylla A. A. Heller 1916-7-20 12471 Siskiyou e side Mt. Eddy (near Wagon Creek Falls); e side Mt. Eddy, nr Wagon Creek Falls 1524 Comment
  JEPS31612  Calystegia occidentalis subsp. occidentalis Geo. D. Butler 1909-5-30 764 Siskiyou near Yreka; near Yreka Comment
  CAS-BOT-BC497587  Camassia quamash subsp. breviflora D. E. Breedlove 1962-6-11 3372 Siskiyou Along State Highway 89, 17.6 miles east of McCloud; Cascade Mountains 1219 Comment
  HSC64821  Camelina microcarpa J. P. Smith 1976-5-4 8662 Siskiyou E boundary of Klamath National Forest along Hwy. 96, above Klamath River 610 Comment
  RSA0056441  Camelina sativa subsp. sativa Louis C. Wheeler 1934-6-10 2672 Siskiyou Hungry Creek. 1097 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
  RSA453343  Camissonia tanacetifolia subsp. tanacetifolia M. V. Hood 1940-08 s.n. Siskiyou Mt Hebron, near Mt Shasta. 1220 Comment
  SEINET10840323  Campanula prenanthoides Muth 1975-8-1 MUTH s.n. Siskiyou Near Sutcliffe Creek, on the Preston Peak quadrangle; close to the town of Happy Camp 1341 Comment
  SEINET10463090  Campanula prenanthoides Howell 1937-7-26 Howell 13561 Siskiyou Between Big Flat and Caribou Gulch Comment
  SEINET10463109  Campanula prenanthoides Kildale 1928-8-18 KILDALE 6466 Siskiyou Head of North Fork of Salmon River at Finley's Upper Camp Comment
  SEINET10463156  Campanula prenanthoides Whiteley 1975-6-22 WHITELEY 37 Siskiyou Klamath National Forest along highway 96 near Somes Bar. T12N R6E Sec. 33 219 Comment
  CAS-BOT-BC266447  Campanula scabrella C. G. Pringle 1882-9-3 s.n. Siskiyou Mountains about the head waters of the Sacramento River 2438 Comment
  SEINET10463374  Campanula scabrella Clifton 1978-7-26 CLIFTON 6421 Siskiyou NEAR DEADFALL, CHINA MT QUAD., IN CONIFER FOREST 2341 Comment
  JEPS82114  Campanula scouleri Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7453 Siskiyou about 13 airline mi nw Happy Camp (on jeep-road along Del Norte-Siskiyou cty boundary (ridge top) dividing Indian Creek drainage from Illinois River, leading to Twin Vly) Comment
  JEPS79759  Campanula wilkinsiana L. R. Heckard 1967-8-14 1731 Siskiyou above (second spring on side canyon) Horse Camp (sw flank of Mt. Shasta); Mt. Shasta 2560 Comment
  CAS-BOT-BC266461  Campanula wilkinsiana W. B. C. 1939-8-24 13894 Siskiyou Mount Shasta. Along the creeks in Squaw Valley Creek meadows Comment
  SEINET10972125  Campanula wilkinsiana Cyrus G. Pringle 1881-8-24 Pringle s.n. Siskiyou Mount shasta 2134 Comment
  UCD114132  Capsella bursa-pastoris A. A. Heller 1916-6-20 12417 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy. 1188 Comment
  JEPS109882  Cardamine bellidifolia var. pachyphylla Dean W. Taylor 2005-8-18 19468 Siskiyou Dry Creek Peak, cirque on north face at headwaters Antelope Creek 1950 Comment
  UC1265325  Carex abrupta Frederick W. Oettinger 1968-9-6 803 Siskiyou on w shore of Hancock Lake Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  UC618716  Carex abrupta J. W. Stacey 1938-8-15 11258 Siskiyou Wagon Camp, in the meadow near the springs Mount Shasta, Wagon Camp Comment
  SEINET10585933  Carex abrupta Louis C. Wheeler 1935-7-26 Wheeler 3719 Siskiyou Siskiyou Mts. S12, T47N, R10W. Mt Diablo Mer. Jaynes Canyon. Wet sunny meadow. 1951 Comment
  HSC76859  Carex amplifolia L. P. Janeway 1982-9-2 182 Siskiyou Next to creek 15 m below road from West Branch Guard Station towards Indian Creek 671 Comment
  CHSC107108  Carex angustata R. E. Brainerd 2009-7-22 1549 Siskiyou Trout Creek east of Mt. Shasta, 26 air miles east of weed. UTM Zone 10 592966E 4588754N. 1493 Comment
  UCD140120  Carex aquatilis S. S. Tillett 1956-7-9 639 Siskiyou Siskiyou-Trinity County line: northwest-facing slope of Scott Mountain. 1828 Comment
  SEINET13327770  Carex atherodes P. F. Zika 2010-7-21 25197 Siskiyou Grass Lake, on north side of Route 97, 0.4 road miles east northeast of Grass Lake Rest Area 1540 Comment
  SEINET7484272 Image available Carex atherodes Peter F. Zika 2009-1 24601 Siskiyou on north side of Route 97, 0.4 road miles ENE of Grass Lake Rest Area 1540 Comment
  UCD140122  Carex atherodes Peter F. Zika 2010-7-21 25197 Siskiyou Grass Lake. On north side of Route 97, 0.4 road miles ENE of Grass Lake Rest Area. 1540 Comment
  JEPS84062  Carex aurea L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6379 Siskiyou 7 mi nne of Seiad Valley (w of Cook and Green Pass, 1.5 mi e of Red Butte Summit) 1900 Comment
  HSC39846  Carex bolanderi J. O. Sawyer 1969-7-26 1574 Siskiyou SE facing slope near S Sugar Creek 1700 Comment
  CAS-BOT-BC19661  Carex brainerdii R. E. Frenkel 1964-7-15 698 Siskiyou On Everitt Memorial Highway near Mount Shasta, 4.7 miles north of McCloud River RR crossing. 1545 Comment
  HSC86451  Carex breweri D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta 2591 Comment
  SD76153  Carex breweri Helen V. Witham 1969-10-9 606 Siskiyou Mt. Shasta; in scree at timberline. 2400 Comment
  UCD77480  Carex breweri Robert E. Preston 2001-6-23 1593 a Siskiyou Klamath National Forest, e ridge of Rainbow Mtn, T42N R1W se 1/4 of nw 1/4 Section 23 2072 Comment
  UC1265330  Carex deweyana subsp. leptopoda Frederick W. Oettinger and R. F. Thorne 1969-8-6 1245 Siskiyou vicinity of English Peak (Pine Lake Basin); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  POM229215  Carex echinata subsp. echinata L. C. Wheeler 1935-7-26 3721 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  CAS-BOT-BC19919  Carex epapillosa Alice Eastwood 1921-7-28 10940 Siskiyou Medicine Lake. Comment
  JEPS84060  Carex gigas L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6377 Siskiyou ca. 1.5 mi e Red Butte summit (ca. 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  SEINET8987782 Image available Carex hassei P. Zika, Wilson, B 2011-1 25668 Siskiyou FS Road 41NO3, 1.6 road miles from junction with Gazelle- Callahan Road, 1.5 air miles NE of Mountain House, 3.5 air miles NW of Crater Lake, Scott Mountains. Klamath Range (KR) 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
  JEPS104437  Carex inops subsp. inops Martin J. Lenz 2003-6-9 19 Siskiyou 0.3 mi up 100R1 logging road from Tom Young Road, approx. 1 mi WNW of Pondosa 1254 Comment
  JEPS109847  Carex inops subsp. inops Dean W. Taylor 2004-7-20 19194 Siskiyou Mt. Shasta, slopes ca. 0.3 air mile E of Mud Creek dam. 1524 Comment
  CAS-BOT-BC7660  Carex integra W. J. Ferlatte 1966-6-23 124 Siskiyou Yellow Rose Mine. 1981 Comment
  HSC76846  Carex integra L. P. Janeway 1982-8-13 129 Siskiyou 50 m from SW edge of Bear Lake 1829 Comment
  RSA237328  Carex laeviculmis Frederick W. Oettinger 1968-9-9 799 Siskiyou Along stream that runs from Tom s Upper Pond to Tom s Lower Pond. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC28427  Carex lenticularis var. lipocarpa Doris K. Kildale 1928-8-19 6555 Siskiyou Hancock Lake on trail to Marble Mt. 2133 Comment
  SEINET7566375 Image available Carex luzulina Unknown 1969-8-10 38949 Siskiyou Mt. Shasta National Forest, S slope Mt Shasta, Panther Creek Meadows. 2195 Comment
  CAS-BOT-BC31602  Carex luzulina var. ablata Wayne E. Rolle 1993-7-10 630 Siskiyou Poker Flat. 1524 Comment
  UC1265319  Carex luzulina var. ablata Frederick W. Oettinger 1969-8-22 1504 Siskiyou S side of Horses Hole Horse Range Lake (high lake basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  HSC60834  Carex mertensii Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  CAS-BOT-BC32005  Carex multicaulis Ira L. Wiggins 1950-5-28 12363 Siskiyou Margins of Carmen Lake, ca 1.5 mi E of Scott Mountain Road. 1737 Comment
  SEINET7568504 Image available Carex multicostata L. P. Janeway 2006-7-2 8738 Siskiyou Deadman Peak 7.5' Quad. Klamath Ranges. Salmon Mountains, slope of south side of South Fork Salmon River 0.5 km west of Carter Meadows Summit. 1783 Comment
  UC1358 Image available Carex multicostata W. H. Brewer 1375 Siskiyou Mt. Shasta 2560 Comment
  HSC6  Carex multicostata William J. Ferlatte 1966-6-23 125 Siskiyou Yellow Rose Mine 1982 Comment
  CAS-BOT-BC119900  Carex nebrascensis Lewis Samuel Rose 1937-7-3 37395 Siskiyou Weed. 944 Comment
  CAS-BOT-BC119644  Carex nigricans John Thomas Howell 1937-7-25 13487 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC119645  Carex nigricans Robert F. Thorne; Frederick W. Oettinger 1969-8-10 38950 Siskiyou Mt. Shasta National Forest, S slope of Mt. Shasta, Panther Creek Meadows. 2194 Comment
  UC1265348  Carex nigricans Frederick W. Oettinger 1969-9-2 1600 Siskiyou n side English Peak; Salmon Mountains, Marble Mountain Wilderness Area 2164 Comment
  CAS-BOT-BC119471  Carex nudata D. E. Breedlove 1962-6-10 3321 Siskiyou On the N bank of the Klamath River at its junction with Goff Creek, 4 mi W of Seiad. 411 Comment
  CAS-BOT-BC119466  Carex nudata C. F. Baker 1903-7-4 3541 Siskiyou Klamathon Comment
  HSC76396  Carex nudata L. P. Janeway 1982-7-3 46 Siskiyou At Ferry Point, W side of Klamath River 290 Comment
  CAS-BOT-BC119208  Carex pachystachya Alice Eastwood 1921-7-28 10941 Siskiyou Medicine Lake Comment
  CHSC48071  Carex pachystachya L. P. Janeway 1983-8-26 607 Siskiyou At Poker Flat, a mdw. Across road on N edge of mdw. 1524 Comment
  SEINET10817663  Carex pachystachya Lawrence P. Janeway 1983-6-25 Janeway 327 Siskiyou Happy Camp quad. T18N, R6E, SE1/4 of sec. 23. Seep along edge of dirt road ca 350 m N of West Branch USFS Station towards Indian Cr. Serpentine; mixed conifer forest. 671 Comment
  CAS-BOT-BC119129  Carex phaeocephala P. M. Kamb 1949-8-25 1498 Siskiyou SW slope of Mt. Shasta, above Horse Camp 3169 Comment
  CAS-BOT-BC119130  Carex phaeocephala William J. Ferlatte 1967-8-21 1077 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake 2286 Comment
  JEPS107832  Carex praegracilis Lowell Ahart, John Dittes 2005-6-10 12083 Siskiyou West edge of a water ditch, pipe discharge, pasture, about 90 yards east of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
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Mar 10 2008
  JEPS117599  Carex praegracilis Lowell Ahart, John Dittes 2010-7-30 16951 Siskiyou South side of a water ditch, at the edgee 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) s 716 Comment
  UC1147794  Carex praegracilis Lewis S. Rose 1937-7-3 37397 Siskiyou Weed 944 Comment
  HSC67702  Carex preslii Maralyn A. Renner 1980-8-8 2447 Siskiyou Rattlesnake Meadow 1646 Comment
  CAS-BOT-BC118791  Carex preslii William Bridge Cooke 1939-7-12 13635 Siskiyou On the SW slopes of the mountain near Horse Camp. 2438 Comment
  UC1265452  Carex preslii Frederick W. Oettinger 1969-8-19 1440 Siskiyou meadow SW of Arrow Peak (English Lake Basin; the high lake basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  CAS-BOT-BC118216  Carex rossii John Thomas Howell; Gordon H. True 1972-6-8 48857 Siskiyou S of summit on road from Takilma to Happy Camp Comment
  CHSC106470  Carex rossii Peter F. Zika 2009-6-18 24533 Siskiyou Klamath Range (KR). Near Pacific Crest Trail, Route 3, Scott Mountain Summit. 1640 Comment
  HSC77259  Carex rostrata L. P. Janeway 1983-8-28 635 Siskiyou Poker Flat 1529 Comment
  CAS-BOT-BC117910  Carex scabriuscula G. Douglas Barbe 1955-7-28 301 Siskiyou Small, moist meadow just W of Scott Mtn. Forest Camp, near Trinity County line. 1615 Comment
  RSA238970  Carex scopulorum Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1262 Siskiyou West of Tom s Lake lower hole. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  CAS-BOT-BC117247  Carex spectabilis John Thomas Howell 1937-7-24 13434 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC117261  Carex spectabilis G. Douglas Barbe 1959-7-4 501 Siskiyou North shore of Caribou Lk, ca 4 mi SW of Big Flat Camp, Klamath Nat'l Forest. 2103 Comment
  CHSC2107  Carex spectabilis N. Jaekel 1939-7-8 Siskiyou Panther Meadows, Mt. Shasta. 1828 Comment
  HSC69359  Carex spectabilis Maralyn A. Renner 1980-8-19 2486 Siskiyou S side of Caribou Lake 2104 Comment
  UC1147787  Carex spectabilis John Thomas Howell 1937-7-24 13432 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  HSC30555  Carex spectabilis Frederick W. Oettinger 1969-8-4 1178 Siskiyou Marble Mtn. Wilderness Area, between Tobacco Lake and Mud Lake 1890 Comment
  CAS-BOT-BC117343  Carex stipata A. A. Heller 1925-7-13 13879 Siskiyou State Teachers ground near the town of Mt. Shasta. Comment
  SDSU11683  Carex straminiformis D. F. Howe 1962-8-6 3402 Siskiyou Mt. Shasta, Shasta National Forest. 2438 Comment
  POM79940  Carex straminiformis E. B. Copeland 1903-8-16 3893 Siskiyou Mt. Shasta. 2439 Comment
  HSC38962  Carex subfusca D. H. Norris May 1970 12268 Siskiyou Haypress Meadows, Marble Mtn. Wilderness Area Comment
  HSC776  Carex subfusca William J. Ferlatte 1967-8-17 951 Siskiyou Yellow Rose Mine 1982 Comment
  UCD140910  Carex subfusca A. A. Heller 1920-6-24 13390 Siskiyou Metcalf's ranch, NE base of Mt. Eddy. 1158 Comment
  CAS-BOT-BC115847  Carex subfusca William Bridge Cooke 1940-7-5 15289 Siskiyou In the sedge swamp at Wagon Camp. 1737 Comment
  RSA211378  Carex utriculata William J. Ferlatte 1966-8-3 293 Siskiyou Josephine Lake basin. 1677 Comment
  HSC48105  Carex whitneyi D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19530 Siskiyou Along Hwy. 89 at Snowman's Hill Summit, 3 mi. E of McCloud Comment
  JEPS84218  Cassiope mertensiana subsp. californica L. R. Heckard with J. Hickman et al. 1986-7-17 6466 Siskiyou Trail up Kangaroo Peak, S of Lily Pad Lake, ca 5mi N of the town of Seiad Valley 2011 Comment
  JEPS74507  Cassiope mertensiana subsp. ciliolata W. J. Ferlatte 1966-8-5 351 Siskiyou Caribou Mtn. 2468 Comment
  SEINET10736305 Image available Cassiope mertensiana subsp. ciliolata Edwin B. Copel 1903-8-18 Copeland 3898 Siskiyou Mt. Eddy. 2591 Comment
  CHSC118025  Castilleja applegatei subsp. pinetorum K. M. Meyer; A. Townesmith 2007-8-2 182 Siskiyou Shasta-Trinity National Forest. 0.1 mi on Forest Service Rd. 43N21, 12.5 mi on Hwy. 97, east side of road. 1218 Comment
  HSC72500  Castilleja applegatei subsp. pinetorum J. P. Smith, Steve Selva 1970-6-16 3995 Siskiyou 5 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1189 Comment
  JEPS23766  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6785 Siskiyou a little above and e McBride Springs (s slopes of Mt. Shasta); Mt. Shasta 1432 Comment
  UC138771  Castilleja applegatei subsp. pinetorum Copeland 1903-8-14 3883 Siskiyou Sisson Comment
  UC726532  Castilleja applegatei subsp. pinetorum A. A. Heller 1916-6-20 12398 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 Comment
  RSA120313  Castilleja applegatei subsp. pinetorum S. S. Tillett 1956-7-9 667 Siskiyou On north sloping ridge between Little and Big Carmen Lakes, north side of Scott Mtn., Siskiyou-Trinity County line, ca. 8 miles SE of Callahan. 1921 Comment
  CAS-BOT-BC243770  Castilleja applegatei var. pinetorum Francis W. Pennell 1940-7-18 26185 Siskiyou Route 99, 2-3 mi. north of Mount Shasta City 1158 Comment
  CHSC1701  Castilleja arachnoidea K. Jaekel 1939-7-8 Siskiyou Panther Meadows, Mt. Shasta. 2316 Comment
  JEPS19005  Castilleja arachnoidea H. K. Wagnon 1957-8-11 1699 Siskiyou 1 mi w Military Pass Rd. (along rd to Brewer Creek, e slope of Mt Shasta); North Coast Ranges, Mt. Shasta Comment
  JEPS79758  Castilleja arachnoidea L. R. Heckard 1967-8-14 1730 Siskiyou sw flank Mt. Shasta (above Horse Camp); sw flank of Mt. Shasta 2560 Comment
  UC1216704  Castilleja arachnoidea W. B. and V. G. Cooke 1962-8-18 33526 Siskiyou near Horse Camp; Mt. Shasta 2377 Comment
  UC1408871  Castilleja arachnoidea Frederick W. Oettinger 1968-8-4 393 Siskiyou Crapo Peak Ridge Salmon Mountains, Marble Mountain Wilderness Area (vicinity of English Peak, w Siskiyou County) 2194 Comment
  UC705755  Castilleja arachnoidea Marion Ownbey, Fred G. Meyer 1940-7-4 2190 Siskiyou ridge above Head of Brewer Creek (e side of Mt. Shasta); Mt. Shasta Comment
  RSA237566  Castilleja arachnoidea Frederick W. Oettinger 1968-8-4 393 Siskiyou Crapo Peak Ridge. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  RSA429371  Castilleja arachnoidea M. B. Dunkle 1945-08 9291 Siskiyou Klamath Nat'l Forest. Marble Mtns. 2439 Comment
  RSA183718  Castilleja arachnoidea subsp. schizotricha Gilbert Muth 1965-8-6 179 Siskiyou Backside of Blk. Mt. Marble Mts. 2073 Comment
  JEPS3182  Castilleja attenuata Geo. D. Butler 1909-4-16 634 Siskiyou near Yreka Comment
  CAS-BOT-BC252476  Castilleja miniata Wm. Bridge Cooke 1938-9-8 11606 Siskiyou Mt. Shasta 2590 Comment
  CAS-BOT-BC253617  Castilleja miniata Doris K. Kildale 1928-7-2 5389 Siskiyou Salmon Summit via Horn Creek trail 1981 Comment
  CAS-BOT-BC253624  Castilleja miniata Wm. Bridge Cooke 1938-9-8 11606 Siskiyou On talus beside Little Red Butte. Flora of Mount Shasta 2590 Comment
  CAS-BOT-BC254100  Castilleja miniata Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  HSC19170  Castilleja miniata J. O. Sawyer 1969-7-24 1506 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  HSC72404  Castilleja miniata J. P. Smith, Steve Selva 1970-7-17 4477 Siskiyou Below Kangaroo Lake. 1890 Comment
  SEINET3159266  Castilleja miniata G. D. Butler 1910-7-9 1692 Siskiyou Shackleford Creek 1219 Comment
  HSC61492  Castilleja miniata Ruby Van Deventer 1939-7-19 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  JEPS23770  Castilleja miniata Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6830 Siskiyou just n Scott Mtn. road summit 1615 Comment
  JEPS86190  Castilleja pilosa L. R. Heckard with T. I. Chuang 1971-7-16 2587 Siskiyou just s Mt. Shasta Vista (U.S. Route 97) (ca 2 mi ne of Deer Lodge (n of Weed)) 1463 Comment
  POM265896  Castilleja pruinosa Lincoln Constance, R. C. Rollins 1942-5-14 2935 Siskiyou Shasta River 6 miles N of Yreka. 762 Comment
  UC673222  Castilleja pruinosa Lincoln Constance and Reed C. Rollins 1942-5-14 2935 Siskiyou 6 mi n Yreka; Shasta River 762 Comment
  RSA68925  Ceanothus cordulatus A. E. Culbertson 1943-7-12 32 Siskiyou Castle Lake, in a north facing cirque with a abrupt 1000' backwall; 14 miles SW of Mt. Shasta on N side of a 6600' eastern spur of Trinity Mts.; 2000 ft. above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  UC229953  Ceanothus cordulatus H. E. Brown Jun 1-10 1897 Siskiyou near Sisson 1083 Comment
  CAS-BOT-BC48387  Ceanothus cuneatus John Thomas Howell 1939-7-31 14859 Siskiyou Scott Valley near Fort Jones Comment
  POM121382  Ceanothus cuneatus G. D. Barbe 1955-6-28 14 Siskiyou 0.4 mile N of Callahan 1006 Comment
  RSA399046  Ceanothus cuneatus Bonnie C. Templeton 1960-6-21 8534 Siskiyou Between California State line and the Agricultural Inspection Station Comment
  CAS-BOT-BC49188  Ceanothus cuneatus W. R. Dudley 1905-7-7 s.n. Siskiyou Top Siskiyou Mountains Comment
  UCSB16461  Ceanothus cuneatus var. cuneatus Breedlove, Dennis 1962-6-10 Siskiyou Along Indian Creek Road, 15.6 miles northwest of Happy Camp; Siskiyou Mountains 975 Comment
  RSA399888  Ceanothus integerrimus E. E. Stanford 1930-6-15 1586 Siskiyou 1 mile north of Dunsmuir. Comment
  UC144555  Ceanothus integerrimus A. A. Heller 1905-6-1 7926 Siskiyou Between Dunsmuir and Upper Soda Springs Comment
  SEINET5339318  Ceanothus integerrimus G. Butler 1910-5-21 1381 Siskiyou Klamath hills Comment
  RSA399889  Ceanothus integerrimus var. peduncularis M. B. Dunkle 1944-7-7 9075 Siskiyou Deer Creek. 1768 Comment
  CAS-BOT-BC53080  Ceanothus prostratus Elmer I. Applegate 1935-6-11 9510 Siskiyou Upper Ice Cave area, Lava Beds National Monument Comment
  CAS-BOT-BC53082  Ceanothus prostratus H. E. Brown 1897-6-1 369 Siskiyou Near Mt. Shasta 2133 Comment
  HSC39328  Ceanothus prostratus J. P. Smith 1974-5-25 7375 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  UC164315  Ceanothus prostratus Geo. D. Butler 1910-5-10 1317 Siskiyou Goosenest foothills 1524 Comment
  SEINET3110810  Ceanothus prostratus Steve Selva, Roger Jensen 1974-8-26 60 Siskiyou Along Road 8 to Sugar Creek trail; approx 4 miles from Hwy 3. Comment
  CAS-BOT-BC52170  Ceanothus pumilus Ira L. Wiggins 1950-5-28 12365 Siskiyou Margins of Carmen Lake, about 1.5 miles east of Scott Mountain road 1737 Comment
  HSC69523  Ceanothus pumilus Maralyn A. Renner 1980-6-26 1285 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  CAS-BOT-BC53075  Ceanothus sanguineus Louis C. Wheeler 1934-6-23 2774 Siskiyou Siskiyou Mts. - Sterling Mine, Bullion Mt. - Mt. Diablo Mer. 1280 Comment
  SEINET13946079 Image available Ceanothus sanguineus Linstedt, Strull, Houseman 1984-1 67 Siskiyou T40N R7W SEC32, SW 1/4. Indian Scotty Campground. Elev 2300 ft 701 Comment
  CAS-BOT-BC63155  Ceanothus velutinus W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox. Comment
  CAS-BOT-BC52808  Ceanothus velutinus var. velutinus Laura M. Lathrop 1903-7-25 s.n. Siskiyou Mt. Bradley Comment
  CAS-BOT-BC52846  Ceanothus velutinus var. velutinus Doris K. Kildale 1928-7-2 5341 a Siskiyou Salmon Summit near Hour Creek Trail 1981 Comment
  CDA18842  Centaurea diffusa R. Breckenridge 1999-6-3 PDR 909441 Siskiyou near Volmer Creek overpass, in the vicinity of Dunsmuir. 0 Comment
  CAS-BOT-BC288798  Centromadia fitchii Donald Myrick 1961-6-21 295 Siskiyou Along Highway 99 just S of Yreka Comment
  HSC19081  Cephalanthera austiniae J. O. Sawyer 1969-7-23 1175 Siskiyou Along road near Horse Range Creek. 1341 Comment
  HSC92581  Cerastium arvense Jennifer Whipple 1976-7-8 1340 Siskiyou N slopes of Mount Eddy. 2439 Comment
  RSA157735  Cerastium dichotomum T. C. Fuller 1962-5-18 8745 Siskiyou B. M. Long prop., Little Shasta Rd., 5 miles E of Montague. Comment
  UCD98000  Cerastium dichotomum T. C. Fuller 1962-5-18 8746 Siskiyou B. M. Long prop., Little Shasta Road, 5 miles east of Montague. Comment
  HSC65312  Ceratophyllum demersum J. P. Smith, Steve Selva 1970-7-16 4381 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  JEPS101143  Cercocarpus betuloides var. macrourus Dean W. Taylor 1996-6-20 15719 Siskiyou upper Noyes Valley; along Noyes Valley Creek (ca. 20 air miles SW of Yreka) 1371 Comment
  JEPS45537  Cercocarpus betuloides var. macrourus Geo. D. Butler 1908-7-4 286 Siskiyou below Yreka (Shasta River); Shasta River Comment
  POM140927  Cercocarpus ledifolius E. B. Copeland 1903-7-6 3562 Siskiyou Hornbrook. Comment
  RSA142692  Chaenactis douglasii var. douglasii Philip A. Munz 1960-8-22 24179 Siskiyou Panther Meadows, Mt. Shasta 2378 Comment
  SD60215  Chaenactis suffrutescens A. A. Heller 1928-6-9 14608 Siskiyou Near Castle Lake, a short distance form Castle Crags in the yellow pine belt Comment
  UC128643  Chaenactis suffrutescens Harley P. Chandler 1731 Siskiyou Etna Mills North Coast Ranges 914 Comment
  UC173222  Chaenactis suffrutescens Katharine Brandegee 1887-7-1 Siskiyou Edgewood Comment
  POM31491  Chaenactis suffrutescens Edward Palmer 1892-7-13 2480 Siskiyou Mount Shasta and vicinity Comment
  CAS-BOT-BC85661  Chamaecyparis lawsoniana W. R. Dudley 1905-7-7 s.n. Siskiyou Shasta Springs Comment
  CHSC1915  Chamaesaracha nana V. Holt 1932-6-23 Siskiyou McCloud river. Comment
  HSC31347  Chamaesaracha nana D. H. Norris, T. Nelson, S. Dowty 1971-6-23 19528 Siskiyou Snowman's Hill Summit 3 mi. W of McCloud on Hwy. 89 Comment
  SBBG16538  Chamaesaracha nana D. Myrick 1961-6-19 265 Siskiyou rd to Mt Shasta Ski Bowl 1828 Comment
  HSC43153  Chamaesyce glyptosperma Ken Stillman 1976-8-24 430 Siskiyou Along the Klamath River at Williams Point 366 Comment
  UC902143  Chamaesyce maculata Joseph P. Tracy 1949-9-13 18549 Siskiyou near forks Salmon (at mouth of Butter Creek) 274 Comment
  JEPS100296  Chamaesyce serpillifolia subsp. serpillifolia Dean W. Taylor 2001-8-28 17904 Siskiyou Mt. Shasta; Ski Park Highway 0.7 miles north from Highway 89 at Snowmans Hill Summit 1417 Comment
  CHSC66542  Chamerion angustifolium subsp. circumvagum Vernon H. Oswald 1996-7-12 7996 Siskiyou High Cascade Range. Everitt Memorial Hwy. (A10) E of Mt. Shasta city between mileposts 5 and 6. At roadside. 1554 Comment
  HSC188  Chamerion angustifolium subsp. circumvagum William J. Ferlatte 1967-8-21 1079 Siskiyou Sawtooth Ridge between Caribou Basin and Little S Fork Lake 2287 Comment
  HSC77087  Chamerion angustifolium subsp. circumvagum K. T. Stillman 1976-7-30 332 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  RSA211176  Cheilanthes gracillima William J. Ferlatte 1966-6-22 117 Siskiyou Josephine Lake basin 1677 Comment
  UC1597994  Cheilanthes gracillima Alan R. Smith with Christopher Richard, and C. Don MacNeill 1993-5-10 2555 Siskiyou e rim Mammoth Crater; Lava Beds Nat'l Monument 1645 Comment
  UC452633  Chenopodium berlandieri H. W. Furlong Sept. 1901 Siskiyou Summit to Ager Comment
  CDA3038  Chenopodium botrys J. R. Grisham 1958-9-2 Siskiyou 0 Comment
  RSA238388  Chenopodium pumilio Frederick W. Oettinger 1969-8-24 1532 Siskiyou English Lake; The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  CHSC75698  Chenopodium vulvaria Vernon H. Oswald; Lowell Ahart 1999-7-5 9797 Siskiyou Gazelle-Callahan Hwy. 9.0 mi west of Gizelle. 914 Comment
  CAS-BOT-BC451442  Chimaphila menziesii J. H. Thomas 1954-5-14 4174 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles SE of Cecilville 1219 Comment
  RSA467012  Chimaphila menziesii L. C. Wheeler 1934-8-24 3221 Siskiyou Trapper Creek. 1616 Comment
  CAS-BOT-BC452263  Chimaphila umbellata Wm. Bridge Cooke 1938-8-5 11459 Siskiyou Mount Shasta: Sisson Southern Trail 1981 Comment
  JEPS93914  Chimaphila umbellata Vernon H. Oswald and Lowell Ahart 1998-8-3 9433 Siskiyou w of Kangaroo Lake (near the Pacific Trail in the Scott Mountains); Scott Mountains 1981 Comment
  UC1483423  Chimaphila umbellata John Palmer 1980-8-15 1007 Siskiyou n.e. Seiad Low Gap (on spur of F.S. Rd. 46N50); Klamath Nat'l Forest, Seiad Valley Quad. 1463 Comment
  RSA758592  Chimaphila umbellata R. F. Thorne 1969-8-2 63400 Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak. 1159 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-BC36377  Chrysolepis chrysophylla Marion Ownbey; Fred G. Meyer 1940-7-8 2222 Siskiyou Dry hillside along Indian Creek, 11 miles above Happy Camp. Comment
  HSC69004  Chrysolepis chrysophylla Maralyn A. Renner 1980-7-24 2133 Siskiyou Pacific Crest Trail, 0.25 mi. SW of Cook and Green Pass. 1494 Comment
  CAS-BOT-BC36245  Chrysolepis sempervirens Geo. B. Grant 1902-9-8 s.n. Siskiyou Mount Shasta, Horse Camp Comment
  UCD13279  Chrysolepis sempervirens K. F. Mawdsley 1996-7-9 12 b Siskiyou California, Siskiyou County. Russian Wilderness in Klamath NF. T40N, R9w, NW 1/4 of Section 19, Eaton Peak 7.5 topo. Elevation 6400. From Eaton-Duck Lakes Trailhead off Hwy 3 on French Creek Rd. Comment
  CAS-BOT-BC100854  Chrysothamnus viscidiflorus subsp. viscidiflorus Elmer I. Applegate 1935-8-3 10001 Siskiyou Lyons Road, north boundary of Lava Beds National Monument Comment
  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
  OBI49190  Chrysothamnus viscidiflorus subsp. viscidiflorus Lewis S. Rose 1941-8-28 41427 Siskiyou Dorris 1292 Comment
  RSA183464  Cinna latifolia J. M. Tucker 1963-8-19 3775 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area. 1951 Comment
  RSA0070601  Cirsium canovirens T. C. Fuller 1979-10-3 20271 Siskiyou Below log-truck loading area, both sides of Goosenest Road, 14 km NE of Tennant. 0.004 ha./0.04 ha. Comment
  CAS-BOT-BC278041  Cirsium cymosum John Thomas Howell 1952-6-15 28358 Siskiyou Yreka Comment
  UC2013018  Cirsium douglasii Barbara Ertter 1990-7-14 9345 Siskiyou Wagon Creek on E side of Mt. Eddy, ca 4 air miles W of Mt. Shasta City. Comment
  UCD130606  Cirsium douglasii var. breweri A. H. Murphy 1956-8-16 56 L Siskiyou Big Marshy Meadows, Klamath National Forest. 1981 Comment
  CAS-BOT-BC279882  Cirsium douglasii var. breweri A. A. Heller 1927-8-1 14437 Siskiyou Near Deetz, just north of Shasta City Comment
  HSC92670  Cirsium douglasii var. breweri Jennifer Whipple 1976-7-24 1567 Siskiyou Near Dobkins Lake 2073 Comment
  OBI55410  Cirsium douglasii var. breweri David J. Keil, Kathleen Keil 1992-7-21 23524 Siskiyou Klamath NF SE of Callahan. forest Rd 40N08, 0.5 mi W of Scott Mtn Rd (hwy 3) 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-BC288007  Cirsium occidentale var. candidissimum W. R. Dudley 1901-8-26 s.n. Siskiyou 2 miles east of Callahan's, Salmon Mts. Comment
  HSC77096  Cirsium remotifolium K. T. Stillman 1976-7-30 336 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  CAS-BOT-BC509284  Cirsium remotifolium var. odontolepis Dana York 2011-9-8 3081 Siskiyou Klamath National Forest, Marble Mountain Wildernesss, along PCT ca 650 m SE of Paradise Lake 1950 Comment
  CDA1590  Cirsium scariosum var. robustum T. C. Fuller 1959-7-9 2738 Siskiyou Hwy 99, 2 mi. S/ Gazelle. 0 Comment
  CAS-BOT-BC228980  Cistanthe umbellata Alice Eastwood 1921-7-28 10873 Siskiyou Medicine Lake Comment
  CAS-BOT-BC164163  Clarkia concinna Doris K. Kildale 1929-5-26 9202 Siskiyou Hawkins Bar on Salmon River 609 Comment
  CAS-BOT-BC164978  Clarkia rhomboidea A. A. Heller 1920-7-6 133420 Siskiyou Metcalf's ranch, northeast side of Mt. Eddy Comment
  HSC58961  Claytonia cordifolia Gilbert Muth 1976-7-28 5195 Siskiyou Near Kuntz Creek, close to the town of Seiad Valley 1830 Comment
  UC7787  Claytonia lanceolata Harley P. Chandler Jun 1901 1690 Siskiyou Marble Mountain; North Coast Ranges 2286 Comment
  CAS-BOT-BC439628  Claytonia parviflora subsp. parviflora J. M. Miller 1974-6-2 358 Siskiyou Siskiyou Mountains. Dillon Creek Campground; Klamath River Highway (State Hwy. 96) where Dillon Cr. meets the Klamath River. Comment
  HSC39741  Claytonia parviflora subsp. parviflora J. O. Sawyer 3 Apr [year missing] 2094 Siskiyou Along Sugar Creek 915 Comment
  UC375332  Claytonia parviflora subsp. parviflora Geo. D. Butler 1908-7-11 68 Siskiyou Comment
  CDA23963  Claytonia rubra subsp. depressa T. C. Fuller 1958-4-16 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  UC796435  Claytonia rubra subsp. rubra Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11807 Siskiyou at Mule Creek crossing Scott Mountain Road; Mule Creek 1524 Comment
  JEPS24436  Claytonia saxosa Dorothy Boedecker 1941-3-17 Siskiyou e side Scott Valley 914 Comment
  HSC30284  Claytonia sibirica William J. Ferlatte 1969-6-25 1178 Siskiyou Big Flat, near public camp 1524 Comment
  HSC4460  Claytonia sibirica William J. Ferlatte 1966-8-18 411 Siskiyou 3 mi. S of Big Flat 1585 Comment
  RSA211260  Claytonia sibirica William J. Ferlatte 1966-6-22 109 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  RSA211262  Claytonia sibirica William J. Ferlatte 1966-6-23 144 Siskiyou At Big Flat Hillside seep between campground and S. Fork of the Salmon River 1524 Comment
  UC1223241  Claytonia sibirica Joseph P. Tracy 1951-6-16 19463 Siskiyou Takilma-Happy Camp Road Siskiyou Mountains (n of summit crossing of Siskiyou Mountains, where small stream crosses road) Comment
  CAS-BOT-BC92759  Clematis ligusticifolia Geo. D. Butler 1910-8-3 1810 Siskiyou Yreka Creek. Comment
  HSC96796  Clinopodium douglasii S. Lyon 2006-6-29 8 Siskiyou E side of Eddy gulch Rd., 3.3 mi. S of intersection with Sawyers Bar Rd. 915 Comment
  CAS-BOT-BC500969  Clintonia uniflora Geo. D. Butler 1908-8-4 98 Siskiyou Near Cold Spring Wooley Creek Comment
  HSC579  Clintonia uniflora William J. Ferlatte 1966-7-7 221 Siskiyou Big Flat, near public camp 1524 Comment
  RSA68875  Clintonia uniflora A. E. Culbertson 1943-7-1 81 Siskiyou Near Forest Service Campground about a mile downstream from Castle Lake on road to town of Shasta. On a north slope of a 6600 eastern spur of Trinity Mountains and 1500 above Sacramento River., Within 9 air miles of its headwaters to the west. Mt. Shasta 13 miles to the northeast. 1524 Comment
  CAS-BOT-BC238057  Collinsia A. M. Vollmer; L. Beane 1951-6-2 76 Siskiyou Happy Camp, Klamath River Highway Comment
  SEINET10311487 Image available Collinsia linearis Marc Baker 1980-6-20 2227 g Siskiyou Near Bald Mountain 275 Comment
  UC1114145  Collinsia parviflora Gene B. Newcomb, H. G. Baker Mar 28 1959-Mar 29 1959 232 Siskiyou 4.5 mi n of city limits of Yreka (on US Highway 99); US Highway 99 914 Comment
  HSC36892  Collinsia parviflora J. P. Smith 1974-5-26 7536 Siskiyou Along FS 47N03, Chandler Glade 1768 Comment
  JEPS84248  Collomia grandiflora L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6312 Siskiyou just s state line (n-facing road bank of Indian Camp Road from Takilma to Happy Camp) Comment
  UC455465  Collomia grandiflora I. J. Condit 1909-8-22 Siskiyou Sisson Comment
  UCD77566  Collomia grandiflora Robert E. Preston 2002-7-14 1939 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, N slope of Rainbow Mountain. 1716 Comment
  SD143502  Collomia grandiflora D. H. Wilken 1974-7-4 12129 Siskiyou Along Mill Creek, 3.6 miles west of Etna. Comment
  UC449739  Collomia grandiflora Vertebrate Museum 1911-7-16 258 Siskiyou S. Fk. Salmon River Comment
  CHSC1229  Collomia tinctoria A. Anderson 1962-9-15 Siskiyou Salmon summit. 2164 Comment
  HSC91960  Collomia tinctoria Jennifer Whipple 1977-8-6 2218 Siskiyou Dobkins Lake drainage on E facing slope above Dobkins Lake 2256 Comment
  CAS-BOT-BC230678  Collomia tracyi Mrs. Dorothy Parker 1961-6-4 882 Siskiyou Along the Callahan-Cecilville Road 1219 Comment
  UC1408894  Collomia tracyi F. W. Oettinger 1969-8-12 1337 Siskiyou along main North Fork Trail between Yellow Dog Creek and Abbott's Lower Cabin; Salmon Mountains Comment
  UC6123  Comandra umbellata subsp. californica Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Upper Sacramento Region, Shasta Region Upper Sacramento Region; , Shasta Region Comment
  CAS-BOT-BC286039  Conyza canadensis Wm. Bridge Cooke 1938-7-29 11383 Siskiyou Mount Shasta. Howard Comment
  RSA381987  Corallorhiza maculata M. B. Dunkle 1944-6-25 9013 Siskiyou Beaver Creek, Siskiyou National Forest, Sierra Nevada Comment
  HSC45182  Corallorhiza mertensiana J. O. Sawyer, E. Cope 1977-6-18 2937 Siskiyou Along Clear Creek Trail between Bear Pen Creek and West Fork. 671 Comment
  HSC90874  Cordylanthus tenuis subsp. pallescens L. R. Heckard 1972-8-4 3150 Siskiyou Along Pony Trail Dr., near Shasta Abbey (Zen Mission), SE of Black Butte (N of Mt. Shasta City) 0.1 mi. from road paralleling old Hwy. 99 Comment
  HSC92118  Cordylanthus tenuis subsp. pallescens T. I. Chuang, L. R. Heckard 1969-8-21 6741 Siskiyou Southwest of Black Butte, NW of Mount Shasta City 1067 Comment
  UCD123170  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 junction, about 3/4 mile uphill of road 40N43. 1509 Comment
  UCD123172  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-9 16291 Siskiyou Stewart Springs Road 1.5 miles from the Gazelle Road. Comment
  CAS-BOT-BC212270  Cornus glabrata Geo. D. Butler 1909-7-7 974 Siskiyou Along creek near Yreka Comment
  SEINET8083541  Cornus glabrata G. D. Butler 1910-5-22 1385 Siskiyou Yreka creek Comment
  HSC31733  Cornus nuttallii Glenn McGourty 1974-5-25 56 Siskiyou 1402 Comment
  CAS-BOT-BC210399  Cornus sericea A. A. Heller 1920-8-11 13504 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC210414  Cornus sericea Alice Eastwood 1921-7-30 11004 Siskiyou Soda Creek Comment
  CAS-BOT-BC210415  Cornus sericea L. E. Smith 1913-9-14 s.n. Siskiyou Mt. Eddy Comment
  UCSB15564  Cornus sericea Breedlove, Dennis 1962-6-10 Siskiyou Along Indian Creek Road; 16.2 miles northwest of Happy Camp; Siskiyou Mountains 1066 Comment
  JEPS83889  Cornus sericea subsp. sericea Wayne Roderick August 1975 Siskiyou vicinity of Cook and Green Pass (w. of summit); Siskiyou Mts. 1463 Comment
  UC61182  Cornus sericea subsp. sericea W. A. Setchell, C. C. Dobie 1902-7-18 Siskiyou Sisson, Cold Creek Mt. Shasta; , Sisson, Cold Creek Comment
  UC164271  Corylus californica Geo. D. Butler 1910-4-1 1150 Siskiyou Humbug Mountain Comment
  HSC19273  Corylus cornuta subsp. californica J. O. Sawyer 1968-7-23 595 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  HSC101756  Crataegus gaylussacia J. P. Smith, J. O. Sawyer 2011-9-3 13406 Siskiyou Fence row along Cole Rd. to Siskiyou Summit 910 Comment
  JEPS80550  Crepis acuminata Gilbert Muth 1965-8-11 207 Siskiyou near Rim Trail; Marble Mt. Wilderness Area 2194 Comment
  RSA238876  Crepis acuminata Frederick W. Oettinger, R. F. Thorne 1969-8-6 1263 b Siskiyou Along trail NNe of Toms Lake near gap between Toms and Hancock Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  UC895309  Crepis capillaris Alice Eastwood 1912-7-17 1176 Siskiyou Sisson Comment
  CAS-BOT-BC299654  Crepis monticola E. B. Babcock; G. L. Stebbins, Jr. 1936-6-11 1930 Siskiyou About 8 mi. south of Yreka 822 Comment
  CAS-BOT-BC376542  Crepis monticola G. L. Stebbins, Jr.; E. B. Babcock 1936-6-13 1974 Siskiyou East and northeast slope of spur of Rainbow Ridge above Sulloway Creek about 1 1/2 mi. west of Mt. Shasta City 1180 Comment
  POM33148  Crepis monticola Geo. D. Butler 1910-6-2 1450 Siskiyou Near Yreka. Comment
  UC796545  Crepis occidentalis subsp. conjuncta Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11712 Siskiyou Schoolhouse Hill Plowmans Valley (Noyes Valley), east fork of Scott River Comment
  CAS-BOT-BC290868  Crepis pleurocarpa Geo. D. Butler 1910-7-12 1758 Siskiyou Shackleford Creek 1371 Comment
  CDA4439  Crepis pleurocarpa Agricultural Commissioner Aug 1951 Siskiyou Macdoel. 0 Comment
  UC1934559  Crepis pleurocarpa P. M. Peterson, J. M. Saarela & C. J. Sears 2006-8-10 19792 Siskiyou Scott Mountain summit, 0.3 mi N of Hwy 3 on Forest Service 40N 08. 509 Comment
  CDA4484  Crocidium multicaule Vernon H. Oswald & Lowell Ahart 1998-6-11 9215 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97, ca. 5 miles north of Macdoel. Comment
  UC895377  Crocidium multicaule Louis C. Wheeler 1935-5-5 3463 Siskiyou Greenhorn Creek Siskiyou Mts., Mt. Diablo Meridian, Greenhorn Creek 853 Comment
  POM31901  Crocidium multicaule Geo. D. Butler 1909-3-7 553 Siskiyou Dry hills Yreka. Comment
  CHSC97392  Cryptantha ambigua Jenny Marr 2006-6-18 228 Siskiyou Cascade Range High. Plants collected along Hwy. 97. West side of road. 1524 Comment
  JEPS67620  Cryptantha intermedia M. K. Curran Jul 1887 Siskiyou Edgewood Comment
  UC79567  Cryptantha intermedia Katharine Brandegee Jul 1887 Siskiyou Edgewood Comment
  POM72149  Cryptantha milobakeri Geo. D. Butler 1909-5-2 733 Siskiyou Yreka. Comment
  UC78653  Cryptantha rostellata Thos. Howell 1889-5-10 1386 Siskiyou Hornbrook Comment
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May 28 2007
  HSC65356  Cryptogramma acrostichoides Rich White 1978-7-3 212 Siskiyou Saddle in Spur Ridge between Dillon Trail and 5759 1662 Comment
  POM210950  Cryptogramma acrostichoides L. C. Wheeler 1934-8-2 3017 Siskiyou Alex Hole, Alex Canyon. Siskiyou Mtns. 1890 Comment
  CAS-BOT-BC70481  Cryptogramma acrostichoides Louis C. Wheeler 1934-8-2 3017 Siskiyou Klamath Forest, Alex Canyon 1889 Comment
  HSC99674  Cryptogramma acrostichoides Al Hobart Jul 1964 Siskiyou FS Rd. 17N04, Doe Flat, Buck Lake 1535 Comment
  CAS-BOT-BC80540  Cupressus bakeri Oliver V. Matthews 1939-7-22 42 Siskiyou unspecified 1219 Comment
  CAS-BOT-BC80542  Cupressus bakeri Oliver V. Matthews 1939-7-14 33 Siskiyou North-westerly Grove, [Goose Nest] Goosenest Region 1828 Comment
  CAS-BOT-BC80562  Cupressus bakeri O. V. Matthews 1939-7-18 36 Siskiyou N.E. [Goose Nest] Goosenest - East of Yreka 1828 Comment
  CAS-BOT-BC85604  Cupressus bakeri C. O. Stone 1964-6-6 287 Siskiyou Approximately 100 yards NE of Quarry, Fall river Mills Quad. 1109 Comment
  JEPS48247  Cupressus bakeri Louis C. Wheeler 1935-4-14 3417 Siskiyou West Fork Seiad Creek Siskiyou Mts. 1158 Comment
  RSA17602  Cupressus bakeri C. B. Wolf 1934-7-8 6166 Siskiyou 1 mile NE of Timbered Butte, Modoc Lava beds on Old Stage Road from Dana Little Hot Springs Valley Comment
  RSA176218  Cupressus bakeri C. O. Stone 1964-6-20 291 Siskiyou North section line crossing of Sec 13 on west side of Jeep Rd. 1085 Comment
  RSA176219  Cupressus bakeri C. O. Stone 1964-6-20 290 Siskiyou North section line crossing of Sec 13 on west side of Jeep Rd. 1085 Comment
  RSA22764  Cupressus bakeri O. V. Matthews 1939-7-13 34 Siskiyou NW slope of Goose Nest, E of Yreka. 1524 Comment
  RSA352343  Cupressus bakeri C. B. Wolf 1944-10-30 11481 Siskiyou 1mile NE of Timbered Crater, Modoc Lava Beds on Old Stage Road form Dana to Little Hot Springs Valley 1220 Comment
  UC1321450  Cupressus bakeri C. O. Stone 1964-6-20 290 Siskiyou n section line crossing of Sec. 13 (on w side of jeep road, NE 1/4, NE 1/ 4, NE 1/ 4); Fall River Mills. Quad. 1085 Comment
  UC1321452  Cupressus bakeri C. O. Stone 1964-6-6 COS 286 Siskiyou recent lava flow n of Timbered Crater (on old jeep trail to Gassaway Reservoir); Fall River Mills Quad. 1097 Comment
  CAS-BOT-BC80560  Cupressus bakeri John Kipping 1970-9-8 s.n. Siskiyou between e. and w. forks of Seiad Creek, Siskiyou Mts. 853 Comment
  RSA22761  Cupressus bakeri O. V. Matthews 1939-7-18 38 Siskiyou Northeast Goose Nest. East of Yreka 1524 Comment
  NY336647  Cuscuta suksdorfii var. subpedicellata L. C. Wheeler 1934-8-21 3192 Siskiyou Head of East Fork Horse Creek, Siskiyou Mountains, Mt. Diablo Mer. 1981.2 Comment
  CHSC65214  Cymopterus terebinthinus var. californicus Julie Kierstead 1991-4-23 91004 Siskiyou Mt. Shasta Ranger District. North side of Mt. Shasta, north of Hwy. 97, 2 mi. SW of Haystack Rock. 1066 Comment
  UCD77584  Cymopterus terebinthinus var. californicus Robert E. Preston 2002-7-12 1908 Siskiyou Klamath National Forest, S slope of Rainbow Mountain. 1789 Comment
  HSC36703  Cynosurus echinatus Brent Whiteley 1975-6-23 39 Siskiyou 223 Comment
  HSC7281  Cyperus bipartitus L. C. Wheeler 1934-9-15 3259 Siskiyou Siskiyou Mtns., Walker, Klamath River 518 Comment
  UC838417  Cyperus bipartitus Louis C. Wheeler 1934-8-31 3229 Siskiyou Lund Ranch, W. Fork Beaver Creek Siskiyou Mts., W. Fork Beaver Creek, Lund Ranch 1066 Comment
  HSC40381  Cypripedium californicum A. Montalvo, J. D. Ackerman 1974-8-17 424 Siskiyou West slope of Preston Peak, 0.5 mi. N of Rattlesnake Meadows 1646 Comment
  CAS-BOT-BC133737  Cypripedium californicum L. E. Smith 1913-6-19 371 Siskiyou Field redacted by CAS, contact the data manager for more information Comment
  HSC39936  Cypripedium montanum J. O. Sawyer 1970-6-17 2201 Siskiyou N slopes of Eaton Peak 1524 Comment
  SBBG30575  Cypripedium montanum D. Myrick 1968-6-29 2060 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  UC1265413  Dactylis glomerata F. W. Oettinger 1968-9-6 739 Siskiyou Bear Meadow Tom's Lake Region (Salmon Mountains, W Siskiyou Co.); Salmon Mountains, Tom's Lake Region 2186 Comment
  CAS-BOT-BC445494  Damasonium californicum Lillian S. Mott 1967-7-2 LM 6764 Siskiyou Near Dorris 1371 Comment
  CAS-BOT-BC192253  Danthonia californica Louis C. Wheeler 1934-7-2 2842 Siskiyou Klamath National Forest, Little Smoky Cr. 1280 Comment
  RSA13865  Danthonia californica var. americana L. C. Wheeler 1934-7-2 2842 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts. 1280 Comment
  HSC76671  Dasiphora fruticosa K. T. Stillman 1976-7-22 285 Siskiyou Marble Mtn. Wilderness Area Comment
  HSC41691  Delphinium nuttallianum J. P. Smith, Steve Selva 1970-7-17 4468 Siskiyou Below Kangaroo Lake. 1890 Comment
  HSC61773  Delphinium nuttallianum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  JEPS84232  Delphinium nuttallianum L. R. Heckard with J. Hickman et al. 1986-7-17 6518 Siskiyou e Condrey Mt. (n-facing cliffs); Alex Hole 1960 Comment
  SJSU6056  Delphinium nuttallianum R. W. Trivelpiece 1971-6-16 36 Siskiyou N of Alder Cr divide between The Whaleback & Haight Mt c. 15 mi N of Mt Shasta 1676 Comment
  UC1409278  Delphinium nuttallianum Frederick W. Oettinger 1969-7-10 955 Siskiyou base of cliff se Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  HSC38599  Deschampsia cespitosa J. P. Smith, Steve Selva 1970-7-18 4482 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  CAS-BOT-BC192471  Deschampsia cespitosa subsp. cespitosa Alice Eastwood 1912-8-30 2049 Siskiyou Mount Eddy Comment
  CAS-BOT-BC192466  Deschampsia cespitosa subsp. cespitosa Louis C. Wheeler 1934-8-14 3128 Siskiyou North side White Mt., Siskiyou Mts. 1767 Comment
  HSC75105  Deschampsia danthonioides J. P. Smith, Thomas W. Nelson 1979-6-16 10131 Siskiyou Hwy. 3, 4.4 mi. from the Scott Mt. summit. 1220 Comment
  JEPS94257  Deschampsia danthonioides Vernon H. Oswald and Lowell Ahart 1998-6-11 9223 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97); Butte Valley National Grassland 1295 Comment
  UC204781  Deschampsia danthonioides Geo. D. Butler 1908-6-25 477 Siskiyou along creek near Yreka (Butler's Ranch); Butler's Ranch Comment
  UCD61387  Deschampsia danthonioides R. Tofsrud 1948-8-1 Siskiyou Summit on road from Happy Camp, Siskiyou Co. to O'Brien, Oregon. 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
  UCD63529  Deschampsia elongata Rimo Bacigalupi; Mr. and Mrs. Van Deventer of Fort Dick 1959-7-10 7298 Siskiyou Twin Valley, Siskiyou Mts., just east of Del Norte County line, about 4 miles NNE of Preston Peak; watershed of Indian Creek. 1493 Comment
  UCD63530  Deschampsia elongata Beecher Crampton 1956-8-21 3812 Siskiyou Headwater of the south fork of the Sacramento River, ca. 15-16 miles southwest of Mt. Shasta City, around Gumboot Lake. 1920 Comment
  CHSC33173  Descurainia pinnata subsp. halictorum R. E. Preston 1981-5-2 57 Siskiyou S side of Irongate Reservoir, ca. 32 km ne of Yreka. 732 Comment
  JEPS1798  Dianthus deltoides subsp. deltoides Duncan Dunning 1921-7-16 Siskiyou se Toad Mountain (Toad Lake, nw of Hambone, southeastern Siskiyou County); se of Toad Mountain Comment
  HSC103843  Dicentra formosa subsp. oregana G. Fred Hrusa 2001-6-6 15854 Siskiyou Near summit of pass between Happy Camp, CA and O'Brien, OR at turnoff to Bolan Lake at Oregon border 1425 Comment
  CAS-BOT-BC402547  Dicentra pauciflora Ira L. Wiggins 1950-5-28 12394 Siskiyou .3 mile west of Carmen Lake 1706 Comment
  JEPS64177  Dichelostemma capitatum Geo. D. Butler 1909-4-13 Siskiyou near Yreka Comment
  SEINET3885619  Dichelostemma congestum D. W. McNeal 1978-6-2 2156 Siskiyou On a rd. bank beside the Happy Camp-Cave Jct. Rd., 10.7 mi. N. of its jct. with Hwy. #96 in Happy Camp.; 0 Comment
  HSC36822  Dichelostemma multiflorum J. P. Smith 1974-5-25 7428 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  SEINET4899747  Dichelostemma pulchellum Jack Seely 1991-5-30 s.n. Siskiyou Klamath National Forest; West Branch Comment
  CHSC102555  Dieteria canescens var. shastensis L. P. Janeway 2009-8-3 9889 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 2.4 air km southwest of Brewer Creek Trailhead; about 20 m south of Brewer Creek. 2637 Comment
  JEPS89646  Dieteria canescens var. shastensis Dean W. Taylor 1975-8-14 5459 Siskiyou between Shasta Ski area and Green Butte (Mt. Shasta); Mt. Shasta 2590 Comment
  UC1041122  Dieteria canescens var. shastensis J. W. Congdon 1900-8-13 Siskiyou near and above timber line; Mt. Shasta Comment
  UC1223211  Dieteria canescens var. shastensis Joseph P. Tracy 1949-9-16 18564 Siskiyou 1 mi e Etna (in Scott Valley); Scott Valley 883 Comment
  UC618849  Dieteria canescens var. shastensis W. Bridge Cooke 1938-8-21 11536 Siskiyou Horse Camp Flats, Hudsonian Mount Shasta, Horse Camp Flats, Hudsonian <zone> Comment
  HSC5962  Dieteria canescens var. shastensis D. M. Thomson 1965-8-21 205 Siskiyou California Lava Beds National Monument; 1/4 mi. N of Devil's Homestead 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
  HSC19084  Dodecatheon alpinum J. O. Sawyer 1969-8-5 1738 Siskiyou W of Little Duck Lake 2073 Comment
  UC1483417  Dodecatheon hendersonii Maralyn A. Renner 1980-7-23 1838 Siskiyou near ridge about 1 mi e Cook and Green Pass (s1/4 of ne1/4 Pacific Crest Trail, Klamath National Forest); Klamath National Forest, Seiad Valley Quad., Pacific Crest T 1752 Comment
  RSA436119  Downingia bacigalupii M. V. Hood 1940-08 s.n. Siskiyou Mt. Hebron summit, near Mt. Shasta. 1220 Comment
  CHSC71231  Downingia pulcherrima Vernon H. Oswald; Ken Beatty, Jay Thesken 1998-6-6 9171 Siskiyou Buckaroo Hole, Butte Valley National Grassland between Macdoel and Dorris. 1280 Comment
  JEPS103651  Downingia yina T. Obrien 1996-8-9 Siskiyou Klamath National Forest. Vernal pool approximately 6.0 miles E of HWY 97 on Tennant Road, W of Tennant 1463 Comment
  HSC6738  Draba howellii H. P. Chandler Jun 1901 1654 Siskiyou Marble Mtn. 2439 Comment
  CAS-BOT-BC41237  Draba nemorosa George Dexter Butler 1910-4-10 1162 Siskiyou Near Yreka. Comment
  CAS-BOT-BC41309  Draba pterosperma C. L. Hitchcock; J. S. Martin 1939-7-9 5317 Siskiyou King's Castle. 1828 Comment
  UCR37813  Draba pterosperma K. T. Stillman 1976-7-30 318 Siskiyou Marble Mtn Wilderness Area, ridge top just north of Black Mt. 2104 Comment
  UC166609  Draba verna Geo. D. Butler 1909-4-6 549 Siskiyou near Yreka; near Yreka Comment
  CAS-BOT-BC41410  Draba verna John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53385 Siskiyou Yreka. 792 Comment
  CAS-BOT-BC41412  Draba verna George Dexter Butler 1909-4-6 549 Siskiyou Below Yreka. Comment
  POM93918  Draba verna Geo. D. Butler 1910-3-23 1143 Siskiyou Shasta [River?] Comment
  UC61197  Draperia systyla W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou McCloud River Mount Shasta (The Bend) Comment
  RSA0011661  Drosera rotundifolia Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1300 Siskiyou West above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC375383  Drymocallis Geo. D. Butler 1908-8-5 348 Siskiyou summit above Cold Spring; Woolly Creek, summit above Cold Spring Comment
  HSC62264  Drymocallis ashlandica Al Hobart 1968-6-13 Siskiyou Youngs Valley Comment
  CAS-BOT-BC159434  Drymocallis glandulosa var. glandulosa Doris K. Kildale 1928-7-1 5330 Siskiyou Forks of Salmon, Salmon River 365 Comment
  UC1409376  Drymocallis lactea var. austiniae Frederick W. Oettinger 1969-7-13 1002 Siskiyou moist meadow n Upper English Lake (High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1950 Comment
  CAS-BOT-BC536728  Drymocallis pseudorupestris Wm. Bridge Cooke 1939-8-22 13829 Siskiyou Mount Shasta. Hudsonian Zone. Comment
  HSC18762  Drymocallis pseudorupestris var. pseudorupestris R. C. Wunner 1965-7-9 354 Siskiyou Lava Beds NM, Black Crater Trail 100 yds. from Hardin Butte Jct. 1341 Comment
  HSC45014  Drymocallis pseudorupestris var. pseudorupestris J. O. Sawyer 1978-6-16 3220 Siskiyou Marble Mtn. Wilderness Area; in Upper Elk Valley 1921 Comment
  JEPS57170  Drymocallis pseudorupestris var. saxicola L. R. Heckard 1967-8-13 1705 Siskiyou Summit Region of Mount Eddy Mount Eddy; Summit Region of Mount Eddy 2743 Comment
  HSC46070  Dryopteris arguta J. P. Smith, Steve Selva 1970-6-14 3873 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  CAS-BOT-BC197244  Echinochloa muricata Dorothy Parker 1948-8-24 87 Siskiyou Plowman's Valley, East Fork of Scott River 1066 Comment
  SEINET7583465 Image available Eleocharis acicularis Frederick W. Oettinger 1969-8-24 1518 Siskiyou Salmon Mountains, vicinity of English Peak Marble Moutain Wilderness Area, inlet to Upper English Lake. 1768 Comment
  CAS-BOT-BC113417  Eleocharis bella W. R. Ernst 1958-8-8 286 Siskiyou Grass Lake area, ca. 32 mi S or Oregon State line on Hwy 97. Comment
  CHSC111065  Eleocharis decumbens Barbara L. Wilson 2011-8-23 16886 Siskiyou Toad Lake 2117 Comment
  CAS-BOT-BC113106  Eleocharis obtusa Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar. Comment
  RSA238944  Eleocharis quinqueflora Frederick W. Oettinger 1969-8-19 1453 Siskiyou Along the ridge between David Mountain and Abbotts Lake Basin and on old Tanners Peak trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  CAS-BOT-BC112233  Eleocharis rostellata W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow Comment
  CAS-BOT-BC451553  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
  CAS-BOT-BC213782  Elymus X hansenii M. B. Dunkle 1945-7-22 9234 Siskiyou Big Elk Lake Basin, Klamath Forest 1828 Comment
  UC1265447  Elymus elymoides subsp. elymoides Frederick W. Oettinger 1968-8-8 455 Siskiyou Crapo Meadow Salmon Mountains, Marble Mountain Wilderness Area (w Siskiyou Co., high lake basins in vicinity of English Peak) 2164 Comment
  SD112901  Elymus elymoides var. brevifolius D. F. Howe 1979-6-26 5117 Siskiyou Military Pass Road, 3 miles southeast of #97 Comment
  UC166039  Elymus glaucus Geo. D. Butler 1910-7-3 1624 Siskiyou Goosenest foothills; creek bed 1219 Comment
  UCR208170  Elymus macounii E. B. Copeland 1903-7-4 3540 Siskiyou Klamathon 645 Comment
  HSC41378  Elymus multisetus J. P. Smith 1976-5-22 8786 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  POM112863  Elymus multisetus Geo D. Butler 1909-6-4 812 Siskiyou Dry land near Yreka Comment
  POM112867  Elymus multisetus Geo D. Butler 1909-5-25 823 Siskiyou Dry hill near Yreka Comment
  UC70717  Elymus multisetus T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  HSC68524  Elymus spicatus Maralyn A. Renner 1980-6-23 995 Siskiyou W Fork Seiad Creek 878 Comment
  UC1037121  Elymus trachycaulus Leo Whitney 1934-6-29 2227 Siskiyou near Tennant; Antelope Creek 1463 Comment
  UCD35446  Elymus trachycaulus Beecher Crampton 1956-8-22 3867 Siskiyou South slope of Mt. Shasta. 1645 Comment
  CAS-BOT-BC204264  Elymus trachycaulus subsp. subsecundus David D. Keck 1949-7-19 6353 Siskiyou 6.5 mi. SW of Yreka on road to Ft. Hones [Jones] nr. head of Yreka Ck 1127 Comment
  CAS-BOT-BC204265  Elymus trachycaulus subsp. subsecundus David D. Keck 1949-7-20 6367 Siskiyou Meadow at Scott Mountain Summit, at Trinity County line 1633 Comment
  HSC69346  Elymus trachycaulus subsp. trachycaulus Maralyn A. Renner 1980-8-21 2543 Siskiyou Kidd Creek 2043 Comment
  HSC91442  Elymus trachycaulus subsp. trachycaulus Jennifer Whipple 1977-8-6 2210 Siskiyou Klamath Mtns., SW of Dobkins Lake along drainage into the lake 2104 Comment
  SEINET238870 Image available Elymus trachycaulus subsp. trachycaulus Beecher Crampton 1956-8-22 3867 Siskiyou South slope of Mt. Shasta. 1646 Comment
  HSC215  Epilobium brachycarpum William J. Ferlatte 1966-8-2 239 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  SDSU8792  Epilobium brachycarpum D. F. Howe 1969-8-31 4674 Siskiyou 7 miles north of Weed on road to Yreka. 1006 Comment
  SEINET12534307  Epilobium brachycarpum G. D. Butler 1910-7-3 1629 Siskiyou Goosenest foothills. 1219 Comment
  UC873494  Epilobium brachycarpum W. Bridge Cooke 1942-9-5 16280 Siskiyou near MacBride Springs; Mt. Shasta 1524 Comment
  JEPS39271  Epilobium ciliatum subsp. ciliatum Willis L. Jepson Jul 24 1894-Aug 10 1894 14450 Siskiyou Sisson Region of the Upper Sacramento Comment
  POM32629  Epilobium ciliatum subsp. ciliatum E. B. Copeland 1903-7-7 3548 Siskiyou Hornbrook. Comment
  UCD77622  Epilobium ciliatum subsp. glandulosum Robert E. Preston 2001-7-20 1696 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, north slope of Rainbow Mountain, N of Hemlock Lake. 1755 Comment
  RSA184734  Epilobium ciliatum subsp. glandulosum Gilbert Muth 1966-8-1 483 Siskiyou Marble Valley Horse Pasture, Marble Mountains. 1793 Comment
  JEPS94069  Epilobium densiflorum Vernon H. Oswald and Lowell Ahart 1998-9-8 9604 Siskiyou ca. 6 air mi. w. of Mosquito Lake and Whitehorse Flat Reservoir (Julia Glover Flat on USFS 3); Julia Glover Flat 1112 Comment
  HSC61177  Epilobium glaberrimum Al Hobart 1967-7-19 Siskiyou El Capitan Comment
  UC422950  Epilobium hallianum Milo S. Baker Aug. 1897 Siskiyou Payne's Springs Comment
  HSC92086  Epilobium hornemannii subsp. hornemannii Jennifer Whipple 1976-7-24 1531 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC1540005  Epilobium minutum M. Mitchell 1936-5-22 52 Siskiyou Black Crater Lava Beds National Monument 1356 Comment
  RSA299463  Epilobium minutum J. P. Smith 1973-5-5 6521 Siskiyou Scott Bar along the Scott River. Comment
  RSA458713  Epilobium minutum J. P. Smith 1973-5-5 6451 Siskiyou Trail to the Siskiyou cypress stand off the Cook and Green Pass road. Comment
  UCD106507  Epilobium minutum James P. Smith 1973-5-5 6521 Siskiyou Scott Bar, along the Scott River. Comment
  POM230321  Epilobium siskiyouense J. T. Howell 1937-7-29 s.n. Siskiyou Scott Mountain between Trinity and Siskiyou counties. Comment
  POM32217  Epilobium siskiyouense E. B. Copeland 1903-9-7 3857 Siskiyou Mount Eddy Comment
  UC371169  Equisetum hyemale subsp. affine G. D. Butler 1909-4-11 878 Siskiyou Shasta Retreat Comment
  HSC34223  Equisetum laevigatum J. P. Smith 1974-5-25 7406 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  CAS-BOT-BC57811  Equisetum laevigatum W. B. C. 1940-6-7 15088 Siskiyou Just n. of Mount Shasta City along US99. 1082 Comment
  HSC70480  Eragrostis cilianensis J. P. Smith 1976-9-5 8983 Siskiyou Scott Valley 671 Comment
  CAS-BOT-BC204629  Eragrostis mexicana subsp. virescens Dorothy Parker 1949-7-24 84 Siskiyou McConahue Gulch, Scott Valley 914 Comment
  HSC69508  Eremogone congesta John Palmer 1980-7-24 658 Siskiyou Dillon Divide 1707 Comment
  SJSU8729  Eriastrum wilcoxii G. R. Ostrander 1965-7-14 79 Siskiyou by Hwy 89, 10 mi E of McCloud 1036 Comment
  CHSC71855  Ericameria bloomeri Vernon H. Oswald; Lowell Ahart 1998-9-8 9608 Siskiyou USFS 3 ca. 0.8 mi west of Julia Glover Flat, ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir, ca. 2 air mi northwest of Indian Spring Mtn. Roadside. 1127 Comment
  RSA78947  Ericameria bloomeri E. K. Balls, Percy C. Everett 1952-10-12 18174 Siskiyou S boundary of Lava Beds National Monument on road to Tennant from Indian Well Ranger Station 1372 Comment
  SBBG21796  Ericameria bloomeri D. Myrick 1964-7-25 961 Siskiyou above Ski Bowl Lodge, Mt Shasta 2407 Comment
  UC179536  Ericameria bloomeri A. A. Heller 1914-8-26 11722 Siskiyou Weed 1066 Comment
  UC31093  Ericameria bloomeri W. H. Brewer 1862-9-16 1415 Siskiyou Mount Shasta; ; Mt. Shasta 1828 Comment
  HSC29100  Ericameria greenei Frederick W. Oettinger 1967-8-24 321 Siskiyou The High Lake Basins near English Peak; near lookout, along trail on west slope of English Peak 2226 Comment
  POM211809  Ericameria greenei L. C. Wheeler 1934-9-2 3238 Siskiyou Miller Glade, Siskiyou Mountains. 1829 Comment
  CHSC8609  Ericameria nauseosa G. Smalley 1967-6-20 Siskiyou Collected 7 miles e of Callahan. 1066 Comment
  CAS-BOT-BC299470  Ericameria nauseosa var. speciosa Geo. D. Butler 1908-9-7 312 Siskiyou Near Yreka Comment
  HSC35787  Ericameria nauseosa var. speciosa J. O. Sawyer 1968-9-13 759 Siskiyou Baldy Mtn. W of Happy Camp 1768 Comment
  HSC92691  Ericameria nauseosa var. speciosa Jennifer Whipple 1978-10-6 2413 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2256 Comment
  CAS-BOT-BC293499  Erigeron aliceae J. M. Tucker; L. K. Mann; S. L. Holloway 1963-8-18 3748 Siskiyou Upper Canyon Creek, ca. 1/2 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area 1920 Comment
  HSC76938  Erigeron aliceae K. T. Stillman 1976-8-7 207 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  JEPS84326  Erigeron aliceae L. R. Heckard with J. Hickman et al. 1986-7-17 6478 Siskiyou ca 5 mi n of the town Seiad Valley (above and w of Lily Pad Lake) Comment
  UCD131602  Erigeron aliceae J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3748 Siskiyou Upper Canyon Creek, ca. 0.5 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area. 1920 Comment
  UC485174  Erigeron aphanactis var. aphanactis M. K. Curran 1887-7-1 Siskiyou Edgewood Comment
  SDSU3937  Erigeron filifolius D. F. Howe 1972-7-8 4879 Siskiyou 9.5 miles north of Weed on #97. 1158 Comment
  UCR45438  Erigeron foliosus var. confinis D. H. Norris 1970-5-23 12238 Siskiyou Along Klamath River at Ishi Pishi [Rd.] Bridge near Somes Bar 145 Comment
  HSC25661  Erigeron glacialis var. glacialis J. O. Sawyer 1969-8-4 1823 Siskiyou Above Sugar Lake 2134 Comment
  JEPS80508  Erigeron glacialis var. hirsutus Gilbert Muth 1966-7-24 446 Siskiyou Marble Mtn Wilderness area Marble Valley 1792 Comment
  OBI55472  Erigeron inornatus David J. Keil, Kathleen Keil 1992-7-21 23534 Siskiyou Klamath NF SE of Callahan. forest Rd 40N08, 1.7 mi W of Scott Mtn Rd (hwy 3) Comment
  LA203588  Erigeron inornatus S. F. Blake; 1938-7-22 11326 Siskiyou Mount Shasta, along the Sisson Southern Trail 1371 Comment
  JEPS41428  Erigeron inornatus var. inornatus Geo. D. Butler 1908-7-20 327 Siskiyou head of Long Gulch, near Yreka; Long Gulch Comment
  POM39277  Erigeron inornatus var. inornatus Geo. D. Butler 1910-6-17 1570 Siskiyou Humbug Mountain. 1067 Comment
  RSA93122  Erigeron inornatus var. inornatus F. W. Peirson 1923-7-20 3876 Siskiyou 2 miles below camp on Whitney Creek, Mt. Shasta. Comment
  JEPS84203  Erigeron klamathensis L. R. Heckard with J. Hickman et al. 1986-7-18 6530 Siskiyou above and s Alex Hole (n of Hwy 96); Buckhorn Campground Comment
  CAS-BOT-BC300094  Erigeron philadelphicus J. H. Thomas 1949-6-16 945 Siskiyou 1/4 mile north of Beaver Creek Public Camp, 5 miles north of junction of Beaver Creek and Klamath River. Klamath National Forest Comment
  CAS-BOT-BC300095  Erigeron philadelphicus L. B. Kildale 1930-5-31 9806 Siskiyou Island in Klamath River near Hornbrook Comment
  CAS-BOT-BC224136  Eriodictyon californicum Doris K. Kildale; J. W. Gillespie 1929-6-25 8355 Siskiyou Klamath River, 6 miles north of Hornbrook 609 Comment
  HSC67049  Eriogonum compositum J. P. Smith 1976-5-22 8779 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  JEPS80552  Eriogonum compositum var. compositum Gilbert Muth 1965-8-10 201 Siskiyou upper third to top of ridge, Marble Mt. Wilderness Area Marble Mt. Wilderness Area 2011 Comment
  SEINET3159900  Eriogonum compositum var. compositum G. D. Butler 1910-5-21 1378 Siskiyou Klamath hills Comment
  UC163877  Eriogonum compositum var. compositum Geo. D. Butler 1910-5-21 1378 Siskiyou Klamath hills Comment
  JEPS84207  Eriogonum diclinum L. R. Heckard with J. Hickman et al. 1986-7-17 6495 Siskiyou Oak Knoll Ranger Station road to Condrey Mt ca 14.5 mi from. Hwy 96 (Walker) (near Dry Lake) 2000 Comment
  RSA165451  Eriogonum douglasii Clare B. Hardham 1961-6-30 8033 Siskiyou Near Mud Springs. 1829 Comment
  POM253985  Eriogonum douglasii var. douglasii C. L. Hitchcock, J. S. Martin 1939-7-8 5304 Siskiyou North side of Black Mt 2073 Comment
  CAS-BOT-BC255732  Eriogonum elatum var. elatum Dr. E. B. Copeland 1903-7-3 3525 Siskiyou Klamath on Siskiyou County line Comment
  RSA211282  Eriogonum elatum var. elatum William J. Ferlatte 1966-8-2 241 Siskiyou Trinity Alps: Big Flat; wooded area near public camp. 1524 Comment
  UC164079  Eriogonum elatum var. villosum Geo. D. Butler 1910-6-26 1606 Siskiyou near Yreka; ; near Yreka, Siskiyou Co. Comment
  CAS-BOT-BC261219  Eriogonum hirtellum Freed W. Hoffman 1948-7-8 2597 Siskiyou North of West Branch Camp, Waldo-Happy Camp Road Comment
  JEPS116875  Eriogonum hirtiflorum David Gowen 2007-7-12 780 Siskiyou South of the town of Lake Shastina. Along dirt road to dump/dirt storage area off of Big Springs Rd., and just north of Jackson Ranch Rd. Comment
  SEINET5330458  Eriogonum luteolum J. L. Reveal, Mark L. Reveal 1975-8-15 3949 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Daggett Creek Road on the west slope of Cedar Cove, about 2.2 miles north of California Highway 96, Comment
  CAS-BOT-BC263655  Eriogonum luteolum var. luteolum Annetta Carter 1934-8-10 690 Siskiyou South bank of Klamath River between McKinney and Parkhouse Creeks, near Hamburg 609 Comment
  CAS-BOT-BC263654  Eriogonum luteolum var. luteolum Mrs. H. C. Cantelow 1938-10-25 s.n. Siskiyou About 16 miles NW of Yreka on Hy. #96 Comment
  POM204111  Eriogonum marifolium J. T. Howell 1934-7-4 12395 Siskiyou SE corner of Siskiyou County Comment
  UC604097  Eriogonum marifolium W. Bridge Cooke 1938-7-1 11137 Siskiyou Mt. Shasta 1676 Comment
  UCD100402  Eriogonum marifolium R. Tofsrud; J. M. Tucker 1948-8-2 1761 Siskiyou Panther Meadows, south slope of Mt. Shasta. 2407 Comment
  CAS-BOT-BC263194  Eriogonum marifolium var. cupulatum Alice Eastwood 1912-7-19 1238 Siskiyou Mount Shasta Comment
  CAS-BOT-BC263195  Eriogonum marifolium var. cupulatum R. H. Bohmannson 1926-7-1 s.n. Siskiyou Mt. Shasta Comment
  HSC27080  Eriogonum nudum var. nudum J. P. Smith, J. O. Sawyer 1972-9-13 5780 Siskiyou 0.5 mi. W of Cook and Green Pass on rd. to Lily Pad Lake. Comment
  HSC19517  Eriogonum nudum var. nudum J. O. Sawyer 1969-7-16 1133 Siskiyou Summit NE of Waterdog Lake 2332 Comment
  CAS-BOT-BC269746  Eriogonum nudum var. oblongifolium Geo. D. Butler 1908-7-28 212 Siskiyou Near Yreka Comment
  CAS-BOT-BC272466  Eriogonum nudum var. pubiflorum Reed C. Rollins; T. S. Chambers 1938-8-14 2720 Siskiyou 3 miles south of Hornbrook 914 Comment
  SD75847  Eriogonum nudum var. pubiflorum Darley F. Howe 1969-8-8 4673 Siskiyou 4.2 miles south of Yreka 822 Comment
  JEPS81652  Eriogonum ovalifolium var. purpureum L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2307 Siskiyou along road to Hoffman Mill 1.2 mi from U.S. 97 ((about 3 mi ne of Little Deer-The Whaleback Quad.)) 1569 Comment
  CAS-BOT-BC105071  Eriogonum pyrolifolium R. C. Wenk 2008-7-24 911 Siskiyou SW side of Mount Shasta, Panther Meadow. Rocky area between wet boggy meadow, Phyllodoce heath, and red fir forest 2255 Comment
  CAS-BOT-BC252959  Eriogonum pyrolifolium var. pyrolifolium C. G. Pringle 1882-8-30 s.n. Siskiyou Mount Shasta 2743 Comment
  HSC43442  Eriogonum siskiyouense Jennifer Whipple 1976-9-3 1771 Siskiyou Near Little Crater Lake 2195 Comment
  UC1037412  Eriogonum siskiyouense Douglas Barbe 1955-7-28 316 Siskiyou nw Scott Mountain; Klamath Mountains 1737 Comment
  RSA93057  Eriogonum spergulinum var. reddingianum M. S. Baker, H. K. Wagnon 1954-7-10 12967 Siskiyou near County Rd., 6.1 mi. above Whitlock Campcutover comdereous forest. 1829 Comment
  RSA93409  Eriogonum spergulinum var. reddingianum M. S. Baker, H. K. Wagnon 1953-7-11 12831 Siskiyou 1.9 mi. above Whitlock Camp in open forest. 1372 Comment
  UC1442635  Eriogonum sphaerocephalum var. halimioides William J. Ferlatte 1978-5-28 1905 Siskiyou hills ne Yreka (0.4 mi e of Interstate 5, 0.2 mi n of Hwy. 3 on way to Montague) 830 Comment
  UC164465  Eriogonum strictum var. proliferum Geo. D. Butler 1908-8-6 211 Siskiyou Independence Creek Comment
  JEPS83885  Eriogonum ternatum Wayne Roderick July 1976 Siskiyou rock outcrop along trail to Lily Pad Lake (vicinity of Cook and Green Pass); Sisiyou Mts. 1706 Comment
  CAS-BOT-BC267929  Eriogonum umbellatum Dr. E. B. Copeland 1903-7-6 3496 Siskiyou Hornbrook Comment
  CAS-BOT-BC267930  Eriogonum umbellatum Dr. E. B. Copeland 1903-7-6 3496 Siskiyou Hornbrook Comment
  CAS-BOT-BC94549  Eriogonum umbellatum R. C. Wenk 2006-9-2 545 Siskiyou trail to Caribou Lakes from Big Flat Meadow. Dry granite talus area by side of trail, above Big Conrad Gulch 1950 Comment
  HSC65577  Eriogonum umbellatum R. White 1977-7-7 111 Siskiyou Devil's Punchbowl, NE shore 1433 Comment
  POM165272  Eriogonum umbellatum var. argus C. F. Baker 1903-9-7 3970 Siskiyou Mt. Eddy. Comment
  UC85976  Eriogonum umbellatum var. dumosum T. S. Brandegee July 1889 Siskiyou Coles Comment
  CAS-BOT-BC268157  Eriogonum umbellatum var. humistratum Mrs. H. P. Bracelin 1931-6-21 455 Siskiyou North side of Mt. Eddy above Dobkin's Lake 2133 Comment
  RSA60649  Eriogonum umbellatum var. humistratum Dorothy Parker 1948-8-16 s.n. Siskiyou Near summit of Salmon Mountain. 1814 Comment
  HSC17369  Eriogonum umbellatum var. modocense D. M. Thomson 1965-6-19 87 Siskiyou Lava Beds National Monument, Captain Jacks Stronghold Comment
  CAS-BOT-BC265200  Eriogonum umbellatum var. nevadense Alice Eastwood 1921-7-29 10969 Siskiyou Medicine Lake Comment
  POM165270  Eriogonum umbellatum var. polyanthum W. A. Setchell, C. Dobie 1902-07 4113 Siskiyou Session Mt. Shasta. Comment
  HSC30404  Eriogonum umbellatum var. stellatum Frederick W. Oettinger 1968-8-4 398 Siskiyou Marble Mtn. Wilderness Area, ridge S of English Peak Lookout 2226 Comment
  UC1980594 Image available Eriogonum ursinum var. erubescens James L. Reveal, Julie D. Knorr 2002-8-5 8371 Siskiyou Scott Bar Mountains, n and w slope and ridge of Deadwood Baldy Peak, Klamath National Forest. Comment
  HSC58860  Eriophorum crinigerum Marvin Butler 1971-7-8 69 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  CAS-BOT-BC301110  Eriophyllum lanatum var. achilleoides A. A. Heller 1938-7-12 15257 a Siskiyou Near the west base of Deer Mountain on U. S. Highway #97 Comment
  CAS-BOT-BC301452  Eriophyllum lanatum var. grandiflorum Alice Eastwood 1912-7-17 1193 Siskiyou Sisson Comment
  RSA256612  Eriophyllum lanatum var. grandiflorum J. P. Smith 1974-5-25 7516 Siskiyou Along road 8, 2.4 miles west of its junction with State Route 3. 976 Comment
  CAS-BOT-BC308281  Eriophyllum lanatum var. integrifolium L. Constance 1940-7-26 15368 Siskiyou Diller Canyon, Mount Shasta 2133 Comment
  CAS-BOT-BC301709  Eriophyllum lanatum var. lanceolatum Geo. D. Butler 1908-7-20 298 Siskiyou Head of Long Gulch near Yreka Comment
  HSC29226  Eriophyllum lanatum var. lanceolatum Frederick W. Oettinger 1969-8-18 1435 Siskiyou Marble Mtn. Wilderness Area; NE of Horse Range Lake 1822 Comment
  JEPS34742  Eriophyllum lanatum var. lanceolatum Geo. D. Butler 1908-7-20 298 Siskiyou head of Long Gulch (near Yreka) Comment
  RSA183730  Eriophyllum lanatum var. lanceolatum Gilbert Muth 1965-7-29 134 Siskiyou Trail to Marble Mt., Lookout. Marble Mts. Comment
  SEINET3892024  Eriophyllum lanatum var. lanceolatum P. Burchstead 2008-6-12 16340 Siskiyou Scott Valley, South Kidder Creek, Klamath Region; west of Greenview on north side of Hwy 3, between Ft. Jones and Etna.; 0 860 Comment
  SJSU6503  Eriophyllum lanatum var. lanceolatum R. W. Trivelpiece 1972-6-18 125 Siskiyou Douglas Cr near Klamath R c. 9 mi SW of Happy Camp 807 Comment
  HSC67973  Erodium cicutarium J. P. Smith, Steve Selva 1970-6-15 3897 Siskiyou Oak Bottom Campground near Somes Bar. 229 Comment
  HSC19561  Erysimum perenne J. O. Sawyer 1969-7-18 1156 Siskiyou E of Waterdog Lake 2012 Comment
  HSC41062  Erysimum perenne J. O. Sawyer 1969-7-2 1006 Siskiyou Ridge S of Taylor Lake 2256 Comment
  SEINET14375314  Erythranthe primuloides D. Paraker, W. Roderick 1967-7-25 s.n. Siskiyou Scott Mountain, Cabin Meadow. 1829 Comment
  CAS-BOT-BC133262  Erythronium J. H. Thomas 1954-5-13 4139 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville; Vicinity of Blind Horse Creek 1066 Comment
  CDA39347  Erythronium californicum D. Osterhandt & D. H. Shaw 1978-3-31 s.n. Siskiyou Along road between Forks of Salmon and Somes Bar, southwestern part of county. 0 Comment
  CAS-BOT-BC403671  Eschscholzia californica M. K. Curran 1887-7-1 s.n. Siskiyou Ager. Above Yreka towards Klamath Comment
  UC1034586  Eschscholzia californica Milo S. Baker and Douglas Barbe 1955-7-1 82 Siskiyou 4.0 mi n Callahan (on Eastside Rd. to Etna); Klamath Mountains 899 Comment
  CAS-BOT-BC5886  Eschscholzia confinis E. B. Copeland 1903-7-2 3532 Siskiyou Klamathon Comment
  UCD21471  Eucephalus ledophyllus Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1211 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Near shore of Upper Gray Rock Lake. 1912 Comment
  HSC62619  Eucephalus ledophyllus var. ledophyllus Ruby Van Deventer 1962-8-15 Siskiyou Youngs Valley Comment
  HSC42977  Euonymus occidentalis J. O. Sawyer, Ken Stillman 1976-5-29 2736 Siskiyou Along Specimen Creek 915 Comment
  HSC449  Euphorbia crenulata William J. Ferlatte 1967-6-29 568 Siskiyou Along the Yellow Rose Mine Trail 1677 Comment
  JEPS51919  Euphorbia crenulata W. L. Jepson 1940-6-27 20056 Siskiyou McCloud 975 Comment
  UCR9594  Euphorbia esula D. O. Clark 1970-6-23 s.n. Siskiyou 2.5 mi. NW of Dorris, on E side of Mathews Road, 1.5 mi. north of Picards Road. Comment
  POM138028  Euphorbia spathulata E. B. Copeland 1903-7-3 3523 Siskiyou Klamathon. Comment
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Jan 23 2011
  RSA433517  Euphorbia spathulata W. Bridge Cooke 1940-6-20 15154 Siskiyou Along the Pacific Highway (US99) in the Klamath River Gorge below Hornbrook. Comment
  UC29852  Eurybia integrifolia Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
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Nov 16 2006
  UC29859  Eurybia integrifolia Milo S. Baker 1893-6 Siskiyou Squaw Valley, s base of Mt. Shasta Mt. Shasta Comment
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Aug 25 2006
  CAS-BOT-BC310634  Eurybia radulina Alice Eastwood 1912-7-21 1281 Siskiyou Sisson Comment
  CAS-BOT-BC310635  Eurybia radulina Alice Eastwood 1921-7-24 10786 Siskiyou Castle Lake Comment
  SEINET5708046 Image available Eurybia radulina Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7700 Siskiyou Scott Mts. Collected along Road 17, 10.3 miles SW from the intersection of I-5 and Stewart Springs Rd.; Scott Mountains 1755 Comment
  UCD98903  Fallopia japonica T. C. Fuller 1968-8-1 17452 Siskiyou N.E. corner of Siskiyou Ave. and Interstate 5 freeway. Along Siskiyou Ave., n. limits of Dunsmuir. Comment
  CAS-BOT-BC278737  Festuca idahoensis Elmer I. Applegate 1935-6-8 9436 Siskiyou Bearpaw Cave, Lava Beds National Monument Comment
  LA13105  Festuca idahoensis J. R. Swallen; 1938-7-15 sn Siskiyou Mount Shasta, Along the road between Bear Springs and Wagon Camp 1676 Comment
  CAS-BOT-BC278881  Festuca occidentalis Ira L. Wiggins 1955-7-24 13498 Siskiyou Ridge betw. upper reaches of China & Blind Horse Creeks 1645 Comment
  UC70746  Festuca pratensis T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  JEPS57224  Festuca roemeri L. R. Heckard 1967-8-13 1711 Siskiyou e flank Mt. Eddy 2727 Comment
  HSC30646  Festuca rubra Frederick W. Oettinger 1969-9-2 1584 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow near Tom Taylor Cabin 2027 Comment
  UCD66366  Festuca rubra Collector Unknown 1889-6-1 Siskiyou Edgewood. Comment
  UCD66368  Festuca rubra Geo. D. Butler 1909-6-13 829 Siskiyou Moffitt Creek. Comment
  HSC92061  Floerkea proserpinacoides Jennifer Whipple 1976-7-23 1527 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC59978  Frangula purshiana Louis C. Wheeler 1934-7-17 2915 Siskiyou Forest: Klamath. Cottonwood Cr. 944 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
  SEINET8584493  Frasera albicaulis var. nitida L. C. Wheeler 1934-6-21 2742 Siskiyou Siskiyou Mountains, West Fork Cottonwood Creek. 1372 Comment
  CAS-BOT-BC223581  Fraxinus latifolia Carl B. Wolf 1940-11-8 9781 Siskiyou Along Klamath River, 3 1/2 mi. below mouth of Shasta River 609 Comment
  RSA134944  Fraxinus latifolia Percy C. Everett, E. K. Balls 1959-10-24 23948 Siskiyou 3.3 miles from Forks along Salmon River, Sawyers Bar to Somes Bar 366 Comment
  HSC39326  Fritillaria atropurpurea J. P. Smith 1974-5-26 7378 Siskiyou Along FS Rd. 47N03 1524 Comment
  UCD77732  Fritillaria atropurpurea Robert E. Preston 2002-6-20 1862 Siskiyou Klamath National Forest, Rainbow Mountain. 1910 Comment
  CAS-BOT-BC502842  Fritillaria atropurpurea Geo. D. Butler 1910-5-1 1261 Siskiyou Humbug Mountain 1219 Comment
  HSC40207  Fritillaria pudica J. P. Smith 1976-5-21 8756 Siskiyou Along FS Rd. 40N08, 1 mi. from its junction with Hwy. 3, Klamath National Forest 1646 Comment
  UC1005601  Fritillaria pudica Frank W. Gould 1940-5-14 1244 Siskiyou Goosenest Mountain, Bull Meadow Bull Meadow; Goosenest Mountain, Bull Meadow 1524 Comment
  HSC46049  Fritillaria recurva Maralyn O'Meara 1974-5-25 428 Siskiyou On Rd. 8, ~4.7 mi. W of junction with Hwy. 3 1159 Comment
  RSA607097  Fritillaria recurva Louis C. Wheeler 1935-6-9 3556 Siskiyou Yreka Creek, Siskiyou Mountains. 1220 Comment
  UC28171  Galium aparine T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  HSC403  Galium bifolium William J. Ferlatte 1967-7-9 698 Siskiyou Kidd Creek Trail 1982 Comment
  HSC19068  Galium bolanderi J. O. Sawyer 1969-7-23 1452 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1341 Comment
  HSC43063  Galium bolanderi Ken Stillman 1976-8-31 452 Siskiyou E and N sides of Williams Point 366 Comment
  JEPS26662  Galium bolanderi Lauramay T. Dempster 1961-7-1 1833 Siskiyou just s Oregon border (s slope of mt); White Mountain Comment
  RSA238704  Galium bolanderi Frederick W. Oettinger 1969-8-3 1144 Siskiyou Above the stock gate between Willow Springs and English Lake (approx 200 ft above trail). The Salmon Mtns. The High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1829 Comment
  HSC69163  Galium glabrescens Maralyn A. Renner 1980-8-8 2469 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  JEPS107488  Galium parisiense Lowell Ahart, John Dittes 2005-6-10 12116 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
  JEPS125865  Galium porrigens var. porrigens Dean W. Taylor 1996-7-10 15771 Siskiyou Head of Facey Gulch on Hayden Ridge; easterly watershed divide of Scott Valley, about 10 air miles E of Etna Comment
  UC1211891 Image available Galium serpenticum subsp. scotticum Lauramay T. Dempster and Clare Hardham 1961-7-3 1877 Siskiyou about 2 mi below (i.e. e of) summit (on road sw of Callahan); ; Siskiyou Co. 1828 Comment
  JEPS6534  Galium triflorum Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou woods near Sisson; Region of the Upper Sacramento Comment
  HSC19066  Galium triflorum J. O. Sawyer 1969-7-26 1587 Siskiyou Along Sugar Creek 1707 Comment
  HSC40240  Garrya fremontii J. P. Smith 1976-5-5 8690 Siskiyou Road between Sawyers Bar and Somes Bar 488 Comment
  JEPS40900  Gayophytum diffusum subsp. parviflorum Paul C. Hutchison 1962-8-3 946 Siskiyou just e Paint Pot Crater (between Grasshopper Flat and Little Medicine Lake) 1783 Comment
  HSC29483  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1967-8-21 297 Siskiyou Salmon Mtns., in front of NW face of Tom Taylor Cabin 2055 Comment
  RSA120858  Gayophytum diffusum subsp. parviflorum G. D. Barbe 1957-7-13 378 Siskiyou Big Flat Public Camp, Klamath National Forest 1524 Comment
  RSA237853  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1969-8-12 1351 Siskiyou Trailside above Willow Spring, English Lake Trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  RSA237857  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1196 Siskiyou English Lake Basin, on way to Abbotts. Salmon Mountains, the High Lake Basins in the vicinity of English Peak, Marble Mountains Wilderness Area. 1677 Comment
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Dec 10 2015
  POM355343  Gayophytum eriospermum E. Yale Dawson 1948-7-16 5097 Siskiyou Grass Lake; Margins of Grass Lake, a drying, vernal lake north of Mount Shasta 1524 Comment
  CHSC1133  Gayophytum heterozygum V. Holt 1932-7-15 Siskiyou S.S. Campus, Mt. Shasta City. 1097 Comment
  OBI48982  Gayophytum heterozygum Lewis S. Rose 1937-7-28 37599 Siskiyou Shasta Springs 914 Comment
  UCD103563  Gayophytum heterozygum J. M. Tucker 1950-7-24 1946 Siskiyou Outskirts of town of Mt. Shasta, beside Highway 99. Comment
  UCD77734  Gayophytum humile Robert E. Preston 2002-6-20 1832 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope 1911 Comment
  HSC91276  Gentiana calycosa Jennifer Whipple 1976-8-20 1731 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  HSC91278  Gentianella amarella subsp. acuta Jennifer Whipple 1976-9-3 1782 Siskiyou Mt. Eddy, W-facing slope of the ridge between Durney Lake and Little Crater Lake 2287 Comment
  SEINET6709654  Geum triflorum var. ciliatum G. D. Butler 1910-6-19 1578 Siskiyou Goosenest foothills 1524 Comment
  POM91458  Geum triflorum var. ciliatum Geo. D. Butler 1910-6-19 1578 Siskiyou Goosenest Foothills. 1524 Comment
  SEINET7073523  Gilia capitata A. G. Vestal 1963-6-1 s.n. Siskiyou About 3.6 miles northwest of Route 97. UTM Zone 10, 547050mN, 4588388mN. Coordinate datum: NAD27. Comment
  JEPS82471  Gilia capitata subsp. capitata Gilbert Muth 1966-7-8 371 Siskiyou Marble Valley Meadow , Marble Valley Meadow (Marble Mt. Wilderness Area) 1792 Comment
  UC163988  Gilia capitata subsp. capitata Geo. D. Butler 1908-8-6 32 Siskiyou along trail summit above Cold Spring Woolly Creek; above Cold Spring Woolly Creek Comment
  UCSB7931  Gilia capitata subsp. capitata Hardham, Clare 1965-8-20 Siskiyou Cudahy Lakes; on the Granite Trail; Marble Mountains 1219 Comment
  RSA436245  Githopsis specularioides James Payne Smith 1973-5-5 6534 Siskiyou Scott Bar along the Scott River. Comment
  SEINET198288 Image available Glyceria declinata G. L. Church 1941-6-19 1328 Siskiyou 1 mi W of Mt Shasta City rd to Abrams Lake Comment
  CAS-BOT-BC282848  Glyceria striata Geo. D. Butler 1910-7-9 1704 Siskiyou Shackleford Creek 1219 Comment
  CHSC61576  Glyceria striata L. P. Janeway 1983-9-11 684 Siskiyou Siskiyou Mountains; at Poker Flat, in the middle of the lower part of the meadow. 1524 Comment
  CAS-BOT-BC302664  Gnaphalium palustre Geo. B. Grant 1902-9-6 5088 Siskiyou Sisson Comment
  CAS-BOT-BC302665  Gnaphalium palustre Laura M. Lathrop 1903-7-10 s.n. Siskiyou Shasta Retreat Comment
  CAS-BOT-BC302677  Gnaphalium palustre A. A. Heller 1915-8-24 12211 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  RSA237524  Gnaphalium palustre Frederick W. Oettinger 1969-9-1 1572 Siskiyou Dry Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  RSA59842  Grayia spinosa E. K. Balls 1950-5-17 14726 Siskiyou SW corner of Tule Lake, (State Game Refuge). 1265 Comment
  CAS-BOT-BC26665  Grindelia nana var. nana Amos Arthur Heller 1917-9-7 12979 Siskiyou Shasta valley, ten miles S of Gazelle 914 Comment
  RSA675180  Gutierrezia sarothrae F. R. Schallert 1953-8-10 2394 Siskiyou below Shasta Comment
  CHSC66538  Hackelia californica Vernon H. Oswald 1996-7-12 8000 Siskiyou High Cascade Range. Everitt Memorial Hwy. (A10) E of Mt. Shasta city between mileposts 6 and 7. At roadside. 1767 Comment
  CAS-BOT-BC94460  Hackelia micrantha R. C. Wenk 2005-7-19 317 Siskiyou Along Pacific Crest Trail, 1-2 miles S of parking lot at top of pass on National Forest Road 17, going towards Mt. Eddy 2133 Comment
  RSA183748  Hackelia micrantha Gilbert Muth 1965-8-17 309 Siskiyou Marble Valley, Marbles Mts. Comment
  UC1190276  Hackelia micrantha Ira L. Wiggins 1955-7-29 13575 Siskiyou n facing slope between Caribou Lake and Pass to Thomas Creek; Trinity Alps 1956 Comment
  UC221683  Hastingsia alba Dr. Edward Palmer Jul 13 1892-Jul 24 1892 2513 Siskiyou Mount Shasta and vicinity Comment
  UC30106  Hastingsia alba Harley P. Chandler June 1901 1616 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  CAS-BOT-BC504592  Hastingsia alba Alice Eastwood; John Thomas Howell 1937-6-25 5020 Siskiyou Scott Mts. S of Callahan Comment
  RSA120206  Hastingsia alba S. S. Tillett 1956-7-9 675 Siskiyou N side Scott Mtn divide, headwaters of Mule Creek, Siskiyou Trinity line, 8 miles SE of Callahan. 1616 Comment
  SEINET12044227  Hastingsia alba L. S. Rose 1937-1 37398 Siskiyou Weed 945 Comment
  CHSC110531  Hazardia whitneyi var. discoidea Julie Kierstead Nelson 2011-8-23 2011 -46 Siskiyou Eastern Klamath Mountains, The Eddys. North side of Fawn Creek, 2 miles NE of Gumboot Lake. Comment
  CAS-BOT-BC306744  Helenium bigelovii K. T. Stillman 1976-7-30 343 Siskiyou Marble Mountain Wilderness Area. Upper Marble Valley 1828 Comment
  CAS-BOT-BC306745  Helenium bigelovii Bruce G. Baldwin 1987-8-3 681 Siskiyou Shasta-Trinity National Forest, west of Mt. Shasta, 3.1 miles west of junction with Toad Lake Road along road to Gumboot Lake (along South Fork of the Sacramento River) Comment
  HSC92731  Helianthella californica var. shastensis Jennifer Whipple 1976-6-30 1204 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  CLARK-A1528-7876  Helianthus bolanderi John C. Roos 1948-9-1 3981 Siskiyou Fort Jones 853 Comment
  JEPS93876  Hesperolinon micranthum Vernon H. Oswald and Lowell Ahart 1998-7-21 9315 Siskiyou 2.2 mi ne of Lake Shastina-Big Springs Road ne of Weed (Shasta National Forest plantation on the w side of Highway 97); Shasta National Forest, Highway 97 975 Comment
  UC1557835  Heterotheca oregona var. rudis J. Semple and S. Heard 1986-8-15 8462 Siskiyou w end Fort Jones (on CA-3 (about #600 Main St.)) 853 Comment
  RSA261514  Heterotheca villosa var. minor J. M. Tucker, L. K. Mann, Sandra Holloway 1963-8-18 3753 Siskiyou SW ridge of Black Mtn (Black Marble Mtn); Marble Mtn Wilderness Areas. 2134 Comment
  JEPS49743  Heuchera merriamii Geo. D. Butler 1908-8-9 221 Siskiyou Marble Valley Camp 1676 Comment
  UC1190182  Heuchera merriamii Ira L. Wiggins 1955-7-27 13561 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area 2042 Comment
  UC609371  Heuchera merriamii Eleanor Burks 1938-8-21 918 Siskiyou Upper Wright Lake 2225 Comment
  CAS-BOT-BC420732  Heuchera merriamii M. B. Dunkle 1944-8-2 9279 Siskiyou Klamath National Forest. Marble Mts. 2194 Comment
  RSA0063193  Heuchera merriamii William J. Ferlatte 1967-8-23 1093 Siskiyou Head of Kidd Creek. Trinity Alps. 2134 Comment
  JEPS49752  Heuchera rubescens Geo. D. Butler 1908-7-4 216 Siskiyou Shasta River near Reeders; Shasta River Comment
  CAS-BOT-BC424373  Heuchera rubescens A. A. Heller 1914-8-28 s.n. Siskiyou Mt. Eddy 2346 Comment
  POM259365  Hieracium albiflorum J. T. Howell 1939-8-2 14895 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  UC897799  Hieracium albiflorum A. A. Heller 1915-8-26 12229 Siskiyou n side Mt. Eddy 2133 Comment
  CAS-BOT-BC318549  Hieracium greenei Alice Eastwood 1921-7-30 10994 Siskiyou Soda Creek Comment
  JEPS104845  Hieracium greenei Dean W. Taylor 1996-6-28 15754 Siskiyou Antelope Mountain (about 8 air miles south of Yreka) 1798 Comment
  RSA184623  Hieracium greenei Clare B. Hardham 1965-8-20 1304 Siskiyou Marble Mountains, near Cudahy lakes. Granite Trail. 1524 Comment
  CAS-BOT-BC318646  Hieracium horridum Douglas Barbe 1959-7-4 519 Siskiyou North shore of Caribou Lake about 4 mi SW of Big Flat Camp, Klamath Nat'l Foest 2103 Comment
  CAS-BOT-BC316013  Hieracium nudicaule Alice Eastwood 1921-7-25 10815 Siskiyou Bigelows, McCloud River Comment
  UC130565  Hieracium nudicaule H. M. Hall 8677 Siskiyou Salmon River Salmon Mountains, Salmon river 1584 Comment
  CAS-BOT-BC316032  Hieracium scouleri Annie M. Alexander; Louise Kellogg 1949-7-20 5812 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  HSC36469  Hieracium scouleri J. O. Sawyer 1968-7-22 526 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC5844  Hieracium scouleri R. C. Wunner 1965-9-12 512 Siskiyou California Lava Beds National Monument; Between Caldwell Butte and Caldwell Minor 1433 Comment
  JEPS82483  Hieracium triste Gilbert Muth 1965-8-11 204 Siskiyou Black Mt. Marble Mt. Wilderness Area (meadow near summit, rim trail) 2011 Comment
  HSC65497  Holodiscus discolor Rich White 1977-7-21 118 Siskiyou Slope below outlet of Raspberry Lake 1512 Comment
  RSA183703  Holodiscus discolor Gilbert Muth 1965-8-3 148 Siskiyou Down Creek from Marble Valley, Marble Mountains. Comment
  CAS-BOT-BC152361  Holodiscus discolor var. discolor E. K. Balls 1949-7-10 13960 Siskiyou 8 miles from Sawyers Bar on the way to Cecilville 792 Comment
  CAS-BOT-BC152376  Holodiscus discolor var. discolor Doris K. Kildale 1928-7-2 5412 Siskiyou Salmon Summit via Horse Creek Trail 1981 Comment
  RSA11809  Holodiscus microphyllus var. glabrescens Elmer I. Applegate 1923-8-18 3852 Siskiyou Hoffman Mtn, Medicine Lake Comment
  HSC4858  Holodiscus microphyllus var. microphyllus J. O. Sawyer 1968-6-25 302 Siskiyou NE of N Horse Range Lake 2012 Comment
  CAS-BOT-BC284742  Hordeum jubatum W. B. Cooke; V. G. Cooke 1966-7-17 37253 Siskiyou Widow Springs, Mt. Shasta 1524 Comment
  UC1601385  Hordeum jubatum H. S. Yates 1936-6-21 5812 Siskiyou 6 mi n Gazelle; Yreka Quad. Comment
  HSC92566  Hordeum marinum subsp. gussoneanum M. A. Baker 1977-5-22 320 Siskiyou N facing slope of hill just S of Whipple Ranch 976 Comment
  CAS-BOT-BC284769  Hordeum murinum subsp. glaucum Dorothy Parker 1949-5-3 77 Siskiyou In McConahue Gulch, Scott Valley 914 Comment
  CHSC91254  Hordeum murinum subsp. leporinum Lowell Ahart; John Dittes 2005-6-10 12067 Siskiyou South of a poor dirt road, about 90 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  HSC91101  Hordeum murinum subsp. leporinum J. P. Smith 1973-5-5 6547 Siskiyou Scott Bar along the Scott River Comment
  CAS-BOT-BC143944  Horkelia daucifolia A. A. Heller 1927-5-14 14384 Siskiyou Shasta Valley, near Gazelle Comment
  CAS-BOT-BC143945  Horkelia daucifolia Roxana S. Ferris; Laura Lorraine 1948-6-12 11709 Siskiyou Schoolhouse Hill, Plowmans Valley [Noyes Valley], east fork of Scott River Comment
  CAS-BOT-BC143953  Horkelia daucifolia Geo. D. Butler 1910-5-4 1272 Siskiyou Near Yreka Comment
  CAS-BOT-BC143966  Horkelia daucifolia John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53442 Siskiyou 7 miles east of Callahan on road to Gazelle 1173 Comment
  JEPS44540  Horkelia daucifolia Geo. D. Butler 1909-5-8 713 Siskiyou e Yreka (Shasta Valley); Shasta Valley Comment
  UC195274  Horkelia daucifolia Annie M. Alexander and Louise Kellogg 1911-6-4 109 Siskiyou Mayten Comment
  JEPS44539  Horkelia daucifolia Geo. D. Butler 1909-4-27 603 Siskiyou Comment
  RSA256593  Horkelia daucifolia J. P. Smith 1974-5-25 7509 Siskiyou 2.4 miles west of its jct. with State Route 3. 976 Comment
  JEPS47183  Horkelia fusca subsp. parviflora W. L. Jepson 1940-7-3 20117 Siskiyou about 5 mi se Bartle (Large meadow.); Big Bear Flat 1219 Comment
  JEPS74530  Horkelia fusca subsp. parviflora W. J. Ferlatte 1966-6-22 69 Siskiyou near public camp; Big Flat 1524 Comment
  CHSC870  Hosackia crassifolia V. Holt 1932-6-4 Siskiyou Spring Hill near Mt. Shasta City. 1127 Comment
  HSC73233  Hosackia crassifolia Gail Newton 1980-6-20 507 Siskiyou Near Bald Mtn. 1097 Comment
  JEPS26586  Hulsea nana Peter Kamb 1949-8-25 1496 Siskiyou above Horse Camp (sw slope of mountain); Mt. Shasta 3169 Comment
  JEPS34895  Hulsea nana Willis L. Jepson 1894-8-4 Siskiyou Mt. Shasta Comment
  CHSC9500  Hydrophyllum occidentale J. F. Goodwin 1971-7-3 145 Siskiyou Southeast side of Castle Lake, 0.5 mi. south of Lookout Trail on east side of trail. 9.2 mi. sw of Mt. Shasta City. 1706 Comment
  HSC77016  Hydrophyllum occidentale K. T. Stillman 1976-6-25 37 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  UC127576  Hymenoxys lemmonii H. T. Mooney 1902-6-1 Siskiyou Yreka Comment
  UC336196  Hymenoxys lemmonii J. G. Lemmon and wife 1889-7-26 Siskiyou Edgwood Comment
  SBBG21928  Hypericum anagalloides D. Myrick 1964-7-25 969 Siskiyou Panther Meadows, Mt Shasta 2346 Comment
  UC1408883  Hypericum anagalloides Frederick W. Oettinger 1968-8-1 444 Siskiyou meadow at inlet to Tobacco Lake; Salmon Mts, High Lake Basins, English Peak vicin., Marble Mt 1889 Comment
  CAS-BOT-BC88626  Idahoa scapigera George Dexter Butler 1910-3-21 1136 Siskiyou Drylands near Yreka. Comment
  JEPS60236  Iliamna bakeri L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2290 Siskiyou along US 97 0.7 mi s Bolam road junction (nw side of mountain); Mount Shasta Comment
  POM213070  Iliamna bakeri Carl B. Wolf 1934-7-6 6029 Siskiyou West side of Mt Shasta, along Snowline road, 3.3 miles from Mt. Shasta City 1524 Comment
  CAS-BOT-BC94923  Ipomopsis aggregata R. C. Wenk 2005-7-19 340 Siskiyou Along Pacific Crest Trail, between Deadfall Lakes and pass below Mt. Eddy 2407 Comment
  UC648263  Ipomopsis aggregata John Thomas Howell 1939-8-2 14898 Siskiyou Spirit Lake Marble Mtns Comment
  RSA101648  Ipomopsis aggregata subsp. formosissima T. Macbride 1894-08 s.n. Siskiyou Mt. Shasta, California Comment
  CDA39606  Iris chrysophylla D. H. Shaw 1977-5-16 s.n. Siskiyou Scott River Road, south of Scott Bar. 0 Comment
  SEINET3875271  Iris douglasiana D. E. Bright 1961-6-15 192 Siskiyou 5 miles west of Bray, California in dry stream-bed.; 0 Comment
  JEPS17240  Iris tenuissima W. L. Jepson 1940-7-3 20094 Siskiyou Bartle 1188 Comment
  UCR47638  Isatis tinctoria Don Pendleton 1986-6-26 s.n. Siskiyou N of Yreka along Interstate 5 Comment
  CAS-BOT-BC88666  Isatis tinctoria William Bridge Cooke 1940-6-20 15150 Siskiyou Along the Pacific Highway in the Klamath River gorge. 609 Comment
  HSC36751  Isatis tinctoria J. P. Smith 1974-5-25 7394 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  CAS-BOT-BC57677  Isoetes bolanderi John Thomas Howell 1939-8-9 15194 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  RSA576444  Isoetes howellii L. C. Wheeler 1934-7-3 2871 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. (Mt. Diablo Mer.) 1676 Comment
  RSA237984  Isoetes occidentalis Frederick W. Oettinger 1969-8-7 1268 Siskiyou W end of English Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1753 Comment
  SEINET11259939 Image available Iva axillaris G. D. Butler 1910-9-12 1874 Siskiyou Near Lower Klamath Lake Comment
  RSA768775  Juncus articulatus L. Ahart, John Dittes 2010-7-30 16962 Siskiyou Edge of the Shasta River, about 50-100 yards from the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 air miles southwest of Big Springs Lake, 4.6 air miles northwest of Dwinnel Dam, 5.7 air miles southeast of Grenada. 717 Comment
  HSC92707  Juncus balticus subsp. ater Jennifer Whipple 1976-7-8 1356 Siskiyou Along drainage into SW side of Dobkins Lake 2195 Comment
  HSC67450  Juncus bolanderi J. P. Smith, Steve Selva 1970-6-15 3923 Siskiyou 10 mi. NW of Forks of Salmon Comment
  UCSB15124  Juncus bufonius var. bufonius Breedlove, Dennis 1962-6-10 Siskiyou On the north bank of the Klamath River at its junction with Goff Creek; 4.5 miles west of Seiad 411 Comment
  CHSC40150  Juncus covillei L. P. Janeway 1983-8-26 612 Siskiyou At Poker Flat. NW part of meadow near dirt road. 1524 Comment
  UC1265307  Juncus drummondii Frederick W. Oettinger 1968-9-9 797 Siskiyou Tom's Upper Pond, vicinity of English Peak, w Siskiyou County Salmon Mountains, Marble Mountain Wilderness Area 2019 Comment
  CHSC40147  Juncus effusus subsp. pacificus L. P. Janeway 1983-7-2 363 Siskiyou On se side of Klamath R ca 6 mi e on China Cr Rd from Happy Camp. Ca 1/2 m from water's edge. 335 Comment
  CHSC40143  Juncus ensifolius L. P. Janeway 1983-8-26 613 Siskiyou At Poker Flat. Northwest part of the meadow near the dirt road. 1524 Comment
  HSC77127  Juncus ensifolius L. P. Janeway 1983-8-3 482 Siskiyou 350 m N of W Branch Guard Station 671 Comment
  UCD141524  Juncus ensifolius A. A. Heller 1920-8-11 13492 Siskiyou Sisson. 1079 Comment
  JEPS63841  Juncus exiguus B. C. Goldsmith 1916-10-10 36 Siskiyou Widow Creek Mt. Shasta 1341 Comment
  JEPS81650  Juncus hemiendytus var. hemiendytus L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2308 Siskiyou ca. 3 mi. n.e. Little Deer Mt.-The Whaleback Quad. (along rd. to Hoffman Mill, 1.2 mi from U.S. Hwy 97) 1554 Comment
  HSC69348  Juncus mertensianus Maralyn A. Renner 1980-8-21 2588 Siskiyou Kidd Creek 2043 Comment
  CAS-BOT-BC127623  Juncus mertensianus Jennifer Whipple 1976-6-30 1219 Siskiyou Mount Eddy. Klamath Mountains. Wagon Creek drainage near Wagon Creek. 2194 Comment
  UC1265332  Juncus mertensianus Frederick W. Oettinger 1969-8-22 1501 Siskiyou s side Horse's Hold pond (above Horse Range Lake, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1874 Comment
  RSA758590  Juncus nevadensis var. nevadensis Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63403 Siskiyou Klamath Nat'l Forest, Salmon Mountains: Marble Mtn Wilderness, trail to Hancock Lake, above English Lake. 2073 Comment
  CHSC40152  Juncus occidentalis L. P. Janeway 1983-7-11 411 Siskiyou Along edge of dirt rd ca 350 m n of West Branch Guard Sta. 670 Comment
  UC1265303  Juncus occidentalis Frederick W. Oettinger 1969-8-24 1526 Siskiyou due w English Lake main camp (midway between English Lake main camp and Sundew Bog, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1798 Comment
  RSA238914  Juncus orthophyllus Frederick W. Oettinger 1968-9-7 760 Siskiyou On the N bank of Tobacco Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CHSC99697  Juncus parryi L. P. Janeway 2008-7-24 9470 Siskiyou Klamath Ranges. Siskiyou Mountains; at end of short spur road into top of Alex Hole; 1.0 km east-southeast of Condrey Mountain. 1975 Comment
  HSC22485  Juncus parryi J. O. Sawyer 1969-7-25 1534 Siskiyou SE facing upper slope above Sugar Lake 1997 Comment
  UCR37587  Juncus parryi L. P. Janeway 1983-8-13 532 Siskiyou South side & above the South Fork of Indian Creek, NE of Preston Peak. 1463 Comment
  SEINET4856378  Juncus trilocularis Louis C. Wheeler 1934-6-22 2753 Siskiyou Klamath NF: Cottonwood Creek. 915 Comment
  CAS-BOT-BC80906  Juniperus Miss Herzinger 1903-11-1 s.n. Siskiyou Scott's Creek Valley 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
  CAS-BOT-BC81224  Juniperus occidentalis Alice Eastwood 1912-7-20 1264 Siskiyou Hornbrook Comment
  CAS-BOT-BC81233  Juniperus occidentalis Doris Overman 1919-9-1 s.n. Siskiyou Yreka Comment
  SD76144  Juniperus occidentalis Helen V. Witham 1969-10-7 545 Siskiyou east of Scott River 1000 Comment
  UC496193  Juniperus occidentalis Elmer I. Applegate 1932-4-15 7060 Siskiyou Scott Valley e side on dry rocky hillside Scott Valley Comment
  RSA592549  Juniperus occidentalis var. occidentalis S. O. Mattoon 1976-6-19 36 Siskiyou Gazelle Callahan Road; 6.7 miles W of Callahan 1128 Comment
  SEINET7269996  Kalmia microphylla subsp. microphylla W. Roderick 1967-7-28 s.n. Siskiyou Panther Meadow, Mt. Shasta 2377 Comment
  JEPS25576  Kalmia polifolia subsp. microphylla Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7202 Siskiyou Mount Shasta, Panther Meadow Panther Meadow; Mount Shasta, Panther Meadow 2286 Comment
  RSA782435  Keckiella corymbosa R. W. Spjut, Paul Burchstead 2008-6-12 16346 Siskiyou Klamath Region. Klamath National Forest: along North Fork of the Salmon River, between Somes Bar and Forks of the Salmon 491 Comment
  OBI53727  Keckiella lemmonii David J. Keil, Kathleen Keil 1992-7-19 23461 Siskiyou Klamath Natl Forest, 9 mi NW of Forks of Salmon along Forks of Salmon rd 300 Comment
  CHSC1617  Kelloggia galioides V. Holt 1932-7-25 Siskiyou On Mt. Shasta. 1463 Comment
  HSC22102  Kelloggia galioides J. O. Sawyer 1969-8-1 1647 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  SEINET12628769  Kelloggia galioides G. D. Butler 1910-7-3 1631 Siskiyou Goosenest foothills Comment
  RSA17727  Koeleria macrantha Elmer I. Applegate 1935-6-8 9435 Siskiyou Bear Paw Cave, Lava Beds National Monument. Comment
  JEPS84219  Kopsiopsis strobilacea L. R. Heckard with J. Hickman et al. 1986-7-17 6460 Siskiyou Ridge E of Kangaroo Peak, S of Lily Pad Lake, ca 5 miles N of the town of Seiad Valley. 2020 Comment
  CAS-BOT-BC340373  Kyhosia bolanderi C. G. Pringle 1882-9-7 s.n. Siskiyou About Mt. Shasta Comment
  CAS-BOT-BC341700  Lagophylla ramosissima Palmer Stockwell 1934-7-16 77 Siskiyou Weed Comment
  CDA8089  Lagophylla ramosissima M. V. Maxwell 1971-6-23 Siskiyou South part of Yreka. 0 Comment
  CAS-BOT-BC204932  Lathyrus A. M. Vollmer; L. Beane 1951-6-2 57 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway Comment
  CDA27123  Lathyrus lanszwertii G. Deal 1964-6-3 Siskiyou Lumber mill, Dorris, Butte Valley. 0 Comment
  SBBG3355  Lathyrus nevadensis H. and M. Dearing 1938-6-29 2193 Siskiyou Mt Shasta Wagon Camp 1828 Comment
  JEPS53718  Lepidium perfoliatum W. L. Jepson 1940-6-23 19985 Siskiyou e of Mayten (e side of Little Shasta Valley); Little Shasta Valley 883 Comment
  RSA756937  Leptosiphon ciliatus R. F. Thorne 1969-8-2 63347 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  UC10685  Lesquerella occidentalis subsp. occidentalis Harley P. Chandler June, 1901 1653 Siskiyou Marble Mountain; North Coast Ranges, Marble Mountain 2438 Comment
  UC61686  Lessingia nemaclada Geo. B. Grant September 1902 5213 Siskiyou Dunsmuir Mt. Shasta 609 Comment
  CDA7525  Leucanthemum vulgare Don Shaw 1980-6-23 Siskiyou Off Scott River Road near Fort Jones. 0 Comment
  CDA39355  Leucocrinum montanum F. D. Horn 1976-5-7 s.n. Siskiyou Grenada, Shasta Vista Estates. 0 Comment
  RSA238389  Leucothoe davisiae Frederick W. Oettinger 1967-8-3 230 Siskiyou Borner at the N. end of Diamond Lake. The Salmon Mtns. High lake basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2073 Comment
  RSA237496  Lewisia cotyledon Frederick W. Oettinger 1968-9-6 745 Siskiyou Ridge trail E of Tom s Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  CAS-BOT-BC444047  Lewisia cotyledon var. cotyledon Gilbert Muth 1965-8-5 306 Siskiyou North slope of Marble Rim, near Blk. Mt. Comment
  CAS-BOT-BC444076  Lewisia leeana R. F. Thorne; Frederick W. Oettinger 1969-8-4 63370 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. SE side of Diamond Lake 2072 Comment
  CAS-BOT-BC444089  Lewisia leeana G. J. Muth 1969-8-10 1338 Siskiyou Ridge w. of Boulder Peak Comment
  CAS-BOT-BC444090  Lewisia leeana Ira L. Wiggins 1955-7-29 13569 Siskiyou Pass at SW end of Caribou Lake, Salmon-Trinity Alps Primitive Area 2072 Comment
  HSC4869  Lewisia leeana J. O. Sawyer 1968-7-22 257 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC65349  Lewisia leeana Rich White 1978-7-3 214 Siskiyou Saddle in Spur Ridge between Dillon Trail and 5759 1662 Comment
  JEPS86111  Lewisia leeana Wayne Roderick 1966-7-23 Siskiyou near summit of trail to Little Castle Lake; Castle Lake 1828 Comment
  JEPS17291  Lewisia leeana unknown 1922-5-24 Siskiyou garden of Leonard Joss of Etna Mills Comment
  RSA78837  Lewisia leeana P. A. Munz 1952-7-2 17915 Siskiyou Ridge on road to Baldy Mt, 6 miles W air of Happy Camp. 1433 Comment
  CAS-BOT-BC283818  Leymus cinereus David D. Keck 1949-7-19 6352 Siskiyou 2 miles S of Grenada 777 Comment
  POM229945  Leymus triticoides L. C. Wheeler 1935-6-2 3543 Siskiyou Shasta River; Siskiyou Mts. 732 Comment
  HSC68471  Ligusticum californicum Maralyn A. Renner 1980-6-26 1139 Siskiyou Flint Valley. 1390 Comment
  RSA183707  Ligusticum californicum Gilbert Muth 1965-7-28 130 Siskiyou Marble Valley Guard Station, Marble Valley Comment
  RSA453855  Ligusticum grayi L. C. Wheeler 1934-8-9 3090 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 1981 Comment
  HSC76742  Lilium kelleyanum K. T. Stillman 1976-7-15 269 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  CAS-BOT-BC509359  Lilium kelleyanum Wayne Roderick 1967-7-28 s.n. Siskiyou North of center of the town of Mt. Shasta. In large bog, between old Hwy. and R.R. 1066 Comment
  UC164032  Lilium pardalinum Geo. D. Butler 1910-6-6 1454 Siskiyou Quartz Valley Comment
  RSA12671  Lilium washingtonianum Carl B. Wolf 1934-7-6 6024 Siskiyou Southwest slope of Mt. Shasta along trail to Horse Camp 1524 Comment
  RSA28139  Lilium washingtonianum Albert M. Vollmer, I. L. Wiggins 1940-7-5 9 Siskiyou 3.5 miles northeast of the town on Mount Shasta 1402 Comment
  RSA766900  Lilium washingtonianum Joseph M. Keefe 1967-7-11 2093 Siskiyou 2.3 miles north of Castle Lake, 10 miles SE of town of Mt. Shasta 1220 Comment
  CAS-BOT-BC133019  Lilium washingtonianum subsp. purpurascens Doris K. Kildale 1928-7-4 5546 Siskiyou Etna Creek, on road from Sawyers Bar to Etna Comment
  UC971913  Lilium washingtonianum subsp. purpurascens Herbert L. Mason 1950-7-16 14063 Siskiyou road from Happy Camp, Calif. to Waldo, Oregon Comment
  CAS-BOT-BC133104  Lilium washingtonianum subsp. washingtonianum Wm. Bridge Cooke 1938-7-22 11328 Siskiyou Sisson Southern Trail 1524 Comment
  CAS-BOT-BC133105  Lilium washingtonianum subsp. washingtonianum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 9 Siskiyou 3 1/2 miles northeast of the town of Mount Shasta 1402 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
  UC796734  Linanthus bolanderi Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11758 Siskiyou w of Callahan (French Creek logging road) 1066 Comment
  UC1299614  Linanthus harknessii Freed W. Hoffman 1951-7-15 4036 Siskiyou w side Kelsey Creek (at Hammond Camp, w Siskiyou County); North Coast Ranges, Marble Mountains 1524 Comment
  POM229948  Lindernia dubia var. dubia Louis C. Wheeler 1934-9-15 3261 Siskiyou Walker, Klamath River, Siskiyou Mts. (Mt. Diablo Mer.) 518 Comment
  JEPS83865  Linnaea borealis var. longiflora Wayne Roderick July 1976 Siskiyou vicinity Cook and Green Pass (near Spring); Siskiyou Mts., vicinity Cook and Green Pass 1463 Comment
  SEINET4039768  Linnaea borealis var. longiflora O. M. Clark 1947-1 14400 Siskiyou Myrtle Creek, Siskiyou Mountains. Comment
  CHSC1014  Linum lewisii var. lewisii V. Holt 1932-7-7 Siskiyou Mt. Eddy 1524 Comment
  HSC16644  Listera convallarioides Dorothy Parker 1949-6-26 Siskiyou Salmon Mountains Range, Etna Creek 1177 Comment
  UC5554  Lithocarpus densiflorus W. H. Brewer 1862-6-17 1443 Siskiyou between Camp 98 Soda Springs (at foot of Mt Shasta); Mt. Shasta Comment
  CAS-BOT-BC36529  Lithocarpus densiflorus var. echinoides A. A. Heller 1915-8-26 12248 Siskiyou Wagon creek at the foot of Mt. eddy 1127 Comment
  CAS-BOT-BC36537  Lithocarpus densiflorus var. echinoides W. R. Dudley 1905-8-4 s.n. Siskiyou South spur of Mt. Eddy Comment
  HSC64132  Lithophragma affine J. P. Smith 1973-5-5 6473 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC432289  Lithophragma affine Geo. D. Butler unspecified 687 Siskiyou Shasta Rim hills Comment
  UC1076022  Lithophragma campanulatum Herbert L. Mason 1947-5-17 14757 Siskiyou on Scott Mountain Road five mi s Callahan; s of Callahan Comment
  UC1408867  Lithophragma campanulatum Frederick W. Oettinger 1969-7-9 942 Siskiyou drying meadows nw Upper English Lake (High Lake basins in vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness, Upper English 1828 Comment
  JEPS25672  Lithophragma campanulatum Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7317 Siskiyou at ridge-top marking Del Norte-Siskiyou County line which is followed by jeep road between Poker Flat and Twin Valley; Siskiyou Mts., bet Poker Flat and Twin Valley 1664 Comment
  CAS-BOT-BC435474  Lithophragma glabrum Dorothy Parker 1948-4-14 s.n. Siskiyou Scott Valley 786 Comment
  CAS-BOT-BC435475  Lithophragma glabrum J. P. Moore unspecified s.n. Siskiyou Sisson, now Mt. Shasta City Comment
  HSC64822  Lithophragma heterophyllum J. P. Smith 1973-5-5 6417 Siskiyou Along Cook and Green Pass Rd. Comment
  POM92055  Lithophragma parviflorum Geo. D. Butler 1910-5-8 1307 Siskiyou Near Yreka. Comment
  UCSB13237  Lithospermum californicum Breedlove, Dennis 1962-6-10 Siskiyou Along Indian Creek Road; 15.6 miles northwest of Happy Camp; Siskiyou Mountains 975 Comment
  CAS-BOT-BC325942  Lithospermum californicum Alice Eastwood 1923-5-23 11915 Siskiyou Cantara. S.P.R.R. [Southern Pacific Railroad] Comment
  UC196935  Lolium multiflorum Geo. D. Butler 1909-9-5 864 Siskiyou along creek near Yreka Comment
  JEPS107298  Lolium perenne Lowell Ahart, John Dittes 2005-6-10 12064 Siskiyou South edge of pasture, east of a poor dirt road, about 80 yards northeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  UC165418  Lomatium dissectum var. multifidum Geo. D. Butler 1909-5-8 746 Siskiyou hill near Yreka Comment
  RSA237413  Lomatium dissectum var. multifidum Frederick W. Oettinger 1968-8-15 523 Siskiyou On east side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  JEPS101138  Lomatium engelmannii Dean W. Taylor 1996-6-18 15725 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1524 Comment
  HSC77246  Lomatium macrocarpum L. P. Janeway 1983-7-3 372 Siskiyou Ridgetop NW of Poker Flat (Siskiyou crest) 1585 Comment
  JEPS80513  Lomatium macrocarpum Gilbert Muth 1966-7-22 440 Siskiyou Marble Rim, Marble Mt. Wilderness Area Marble Mt. Wilderness Area, Marble Rim 2194 Comment
  UC337571  Lomatium macrocarpum unknown 1889-6-27 Siskiyou near Shasta Comment
  HSC96814  Lomatium macrocarpum S. Lyon, J. McIntire 2006-6-25 30 Siskiyou 200 ft. W of intersection of FS 39N14 and 39N04 1616 Comment
  JEPS25670  Lomatium macrocarpum Rimo Bacigalupi with Mr. and Mrs. Van Deventer of Fort Dick 1959-7-10 7313 Siskiyou jeep rd. between Poker Flat and Twin Valley (ridge top marking Del Norte-Siskiyou Co. boundary); Siskiyou Mts., Del Norte-Siskiyou Co. boundary 1664 Comment
  SDSU2236  Lomatium marginatum D. F. Howe 1977-7-5 4995 Siskiyou 15 miles southeast of Granada. 1219 Comment
  HSC39316  Lomatium nudicaule J. P. Smith 1974-5-26 7379 Siskiyou Along FS Rd. 47N03 1524 Comment
  JEPS28834  Lomatium peckianum Lincoln Constance and Emil DiFulvio 1962-4-17 3751 Siskiyou 5.2 mi. s. Yreka 792 Comment
  JEPS17562  Lomatium utriculatum M. K. Curran July, 1887 Siskiyou Edgewood Comment
  JEPS109701  Lonicera conjugialis Dean W. Taylor 2002-7-20 18260 Siskiyou Forest Road 17 ca. 4.9 road miles (above) junction with Stewart Springs Road, Parks Creek 1737 Comment
  UC139361  Lonicera interrupta Dr. E. B. Copeland 1903-7-5 3492 Siskiyou Klamathon Comment
  JEPS98788  Lotus Sue Pappalardo 1993-7-19 507 Siskiyou about 4 mi SE of Bear Mountain Lookout (Forest Service road 40N38); Shasta Trinity National Forest, McCloud Ranger District 1320 Comment
  UC375401  Lotus crassifolius var. crassifolius Geo. D. Butler 1908-8-3 396 Siskiyou Log Lake Shackleford Creek Comment
  UC375402  Lotus crassifolius var. crassifolius Geo. D. Butler 1909-5-31 775 Siskiyou Humbug Creek Comment
  JEPS107959  Lotus denticulatus Lowell Ahart, John Dittes 2005-6-9 12008 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
  UC80842  Lotus denticulatus Katharine Brandegee 1887-1 Siskiyou Edgewood Comment
  UC1561366  Lotus purshianus var. purshianus Barbara Ertter 1987-7-26 7324 Siskiyou 2.2 mi n Scott Mt. summit (on Hwy 3, at road junction, w of road) 1371 Comment
  UC725960  Lotus purshianus var. purshianus A. A. Heller 1925-7-21 13899 Siskiyou near Edgewood; Shasta Valley Comment
  JEPS65175  Lotus wrangelianus W. L. Jepson 1940-6-22 19969 Siskiyou near Hornbrook; Cottonwood Creek 670 Comment
  JEPS44646  Luetkea pectinata Geo. D. Butler 1908-8-5 223 Siskiyou summit above Cold Spring; West Fork of Wooley Creek 1828 Comment
  RSA119496  Lupinus C. P. Smith 1947-5-13 47273 Siskiyou 7.4 miles east of Weed. Highway 97. Comment
  SBBG94889  Lupinus albicaulis S. Morgan 1987-7-28 Siskiyou McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity Nat Forest, S of Mt Shasta 1767 Comment
  CHSC71299  Lupinus albicaulis var. shastensis Vernon H. Oswald 1998-6-11 9184 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
  UC157025  Lupinus albicaulis var. shastensis Geo. D. Butler 1908-8-2 370 Siskiyou edge Quartz Valley; Shackleford Creek, edge of Quartz Valley Comment
  UC618891  Lupinus albicaulis var. shastensis W. Bridge Cooke 1938-7-29 11386 Siskiyou Howard Mount Shasta, Howard (Mt. Shasta) Comment
  SEINET8040841  Lupinus albicaulis var. shastensis G. D. Butler 1910-6-6 1465 Siskiyou Quartz Valley Comment
  SEINET10488389  Lupinus albifrons Charles Piper Smith 1947-5-13 Smith 47270 Siskiyou 9.2 miles e of weed. Hwy 97 Comment
  UC1481305  Lupinus albifrons var. collinus Paul Gallian, B. J. Cox 1971-6-9 687 Siskiyou on U.S. Hwy 97, 11 mi n Weed; n of Weed 1249 Comment
  HSC36811  Lupinus albifrons var. flumineus J. P. Smith 1974-5-27 7623 Siskiyou Along FS Rd. 47N03 1280 Comment
  CAS-BOT-BC196327  Lupinus albifrons var. flumineus Charles Piper Smith 1949-4-22 49133 Siskiyou Highway 99 - Chafron Auto Camp, Klamath River Canyon Comment
  RSA237946  Lupinus andersonii var. andersonii Frederick W. Oettinger 1968-8-19 587 Siskiyou Crapo View Gap, English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  RSA104707  Lupinus argenteus var. argenteus A. A. Heller 1905-6-9 8015 Siskiyou Montague Comment
  HSC63261  Lupinus breweri M. A. Baker 1979-7-30 1082 Siskiyou Marble Mtn. Wilderness, SE of Tickner peak 2200 Comment
  CAS-BOT-BC215170  Lupinus croceus R. C. Barneby 1954-5-17 11533 Siskiyou 5 miles above Callahan, Scott Mountains 1249 Comment
  CAS-BOT-BC215196  Lupinus croceus A. A. Heller 1915-7-16 12097 Siskiyou N side of Mount Eddy 1524 Comment
  RSA211162  Lupinus croceus William J. Ferlatte 1966-8-4 297 Siskiyou Yellow Rose Mine 1982 Comment
  RSA372142  Lupinus croceus P. Kenney, Conrad, Dunn, O. Kenney 1973-6-4 384 Siskiyou Along road from Cecilville to Callahan; 6.4 mi W of Callahan. 1738 Comment
  SBBG122855  Lupinus croceus B. Ertter 1990-7-14 9330 Siskiyou Wagon Crk, E side of Mt Eddy, ca. 4 air-mi W of Mt Shasta City 1889 Comment
  SEINET10490744  Lupinus croceus var. croceus H. Dearing, M. Dearing 1939-6-30 Dearing 3763 Siskiyou Perennial with yellow flower. Callahan, trinity alps rd. Comment
  RSA413558  Lupinus densiflorus var. densiflorus E. E. Stanford 1930-6-16 1606 Siskiyou Near Hornbrook. Comment
  SEINET10485330  Lupinus formosus Bruce A. Bohm, H. M. Banek 1980-5-6 Bohm BAB- 1378 Siskiyou I 5 roadside. Comment
  CHSC25080  Lupinus lapidicola D. Parker 1965-8-15 917 Siskiyou Near Syphon Lake, Salmon Mt. 2164 Comment
  HSC61902  Lupinus latifolius Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  POM24242  Lupinus latifolius subsp. viridifolius Geo. D. Butler 1910-6-4 1489 Siskiyou Shackleford Creek. Comment
  UC865529  Lupinus latifolius var. viridifolius L. E. Smith 1913-7-4 Siskiyou Castle Crags Comment
  CHSC66540  Lupinus lepidus var. sellulus Vernon H. Oswald 1996-7-12 8006 Siskiyou High Cascade Range. Sand Flat on Mt. Shasta 1.5 mi N of Everitt Memorial Hwy. (A10). 2164 Comment
  CDA27465  Lupinus lepidus var. sellulus S. Davis, F. D. Horn 1979-8-22 Siskiyou Sam s Neck west of Dorris. 0 Comment
  JEPS80547  Lupinus lepidus var. sellulus Gilbert Muth 1965-8-12 211 Siskiyou 2/3 up meadow on backside Black Mt. (Marble Mt. Wilderness Area); , backside of Black Mt. 2133 Comment
  POM179132  Lupinus leucophyllus Lester Rowntree 1937-8-7 s.n. Siskiyou Scotts Bar Comment
  UC1333309  Lupinus leucophyllus Dorothy Parker 1949-6-16 322 Siskiyou along the Etna-Callahan road Scott Valley 868 Comment
  UC1129549  Lupinus luteolus H. S. Yates 1936-6-21 5809 Siskiyou 1/2 mi ne Hilt; Yreka Quad. Comment
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Jun 18 2011
  RSA413776  Lupinus luteolus Bonnie C. Templeton 1960-6-21 8531 Siskiyou Between California State line and the Agricultural Inspection Station Comment
  SD60261  Lupinus onustus A. A. Heller 1927-5-14 14371 Siskiyou Spring Hill, near the town of Mt.Shasta Comment
  SEINET10490188  Lupinus polyphyllus var. grandifolius Katherine L. Morris 1973-6-2 Morris 371 Siskiyou Found in the ditch along roadside of hwy. 3 In scot river valley. Comment
  SEINET10490223  Lupinus sellulus var. artulus Sawyer 1977-6-21 SAWYER 2982 Siskiyou Dillon mtn quad. Crests and meadows near prescott peak. 1676 Comment
  SEINET10490260  Lupinus subvexus var. transmontanus Katherine L. Morris 1973-6-2 Morris 339 Siskiyou Decomposed volcanic soil on hornbrook to montague road, about 1 mi se of Hornbrook. Comment
  SEINET4460534 Image available Lupinus violaceus A. A. Heller 1905-1 8037 Siskiyou Comment
  HSC42909  Luzula comosa J. O. Sawyer, K. T. Stillman 1976-5-28 2722 Siskiyou Along Rd. W of Sawyers Bar. 610 Comment
  HSC46056  Luzula comosa Maralyn O'Meara 1974-5-25 419 Siskiyou On Rd. 8, 4.7 mi. W of junction with Hwy. 3 1159 Comment
  UC594415  Luzula comosa var. laxa L. C. Wheeler 1934-6-12 2691 Siskiyou Hungry Creek Lookout, Siskiyou Mts. 1463 Comment
  UC1265318  Luzula divaricata Frederick W. Oettinger 1968-8-8 447 Siskiyou along ridge English Peak trail (High Lake Basins in the vicinity of English Peak, Salmon Mountains, western Siskiyou County, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 2164 Comment
  UC909343  Luzula macrantha Ira L. Wiggins 1950-5-28 12362 Siskiyou Margins of Carmel Lake, ca 1.5 mi E of Scott Mountain Road 1737 Comment
  HSC76690  Luzula parviflora K. T. Stillman 1976-7-30 312 Siskiyou Marble Mountain Wilderness Area, trail from Big Rock Camp to Jump off. 1982 Comment
  UC1026902  Luzula parviflora W. Bridge Cooke 1940-8-8 15418 Siskiyou along Squaw Valley Creek below McCloud intake; Mount Shasta, along Squaw Valley Creek Comment
  HSC98169  Luzula parviflora J. O. Sawyer 1969-8-11 2003 Siskiyou Along S French Creek 1692 Comment
  RSA605516  Lysichiton americanus L. C. Wheeler 1959-7-25 7592 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  RSA0015990  Lythrum californicum Louis C. Wheeler 1934-10-11 3316 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mountains. 671 Comment
  CAS-BOT-BC344011  Madia elegans Louis C. Wheeler 1935-6-13 3584 Siskiyou N side Scott River, Scott Bar Mts. 792 Comment
  SEINET11601317 Image available Madia elegans G. D. Butler 1910-5-27 1413 Siskiyou Near Yreka Comment
  RSA13387  Madia elegans subsp. densifolia L. C. Wheeler 1934-9-18 3280 Siskiyou Klamath River near mouth Beaver Creek, Siskiyou Mts. 549 Comment
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Feb 2 2009
  CDA30925  Madia elegans subsp. elegans M. Beyers, G. F. Hrusa 2010-8-18 694 Siskiyou Highway 96; Sluice Box Klamath River Access. 410 Comment
  CDA15522  Madia gracilis G. F. Hrusa 1998-7-5 14690 Siskiyou Siskiyou Mountains; Bear Creek Rd. +- 1/2 mi. N of Hwy 96 and 10 mi. SW of Happy Camp. Comment
  HSC43861  Madia gracilis Maralyn O'Meara 1974-5-25 371 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  JEPS40233  Madia gracilis Geo. D. Butler 1908-7-20 Siskiyou w side Humbug Mountain Comment
  POM267999  Madia gracilis subsp. gracilis W. Bridge Cooke 1938-8-5 11440 Siskiyou MacBride Springs, Mount Shasta 1524 Comment
  POM362185  Madia gracilis subsp. gracilis L. C. Wheeler 1934-6-4 2646 Siskiyou Siskiyou Mountains: Horse Creek near mouth 762 Comment
  CAS-BOT-BC512759  Maianthemum racemosum subsp. amplexicaule Doris K. Kildale 1928-7-2 5381 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  RSA105431  Maianthemum racemosum subsp. amplexicaule Milo S. Baker 1955-7-4 91 Siskiyou Klamath Mountains: 11 miles south of Etna on the North Fork of French Creek, about 1000 from Parrot Mill Rd. 976 Comment
  SEINET8493798  Maianthemum stellatum G. D. Butler 1910-5-15 1343 Siskiyou McAdams Creek. Comment
  JEPS107485  Malvella leprosa Lowell Ahart, John Dittes 2005-6-9 12041 Siskiyou North margin of a meadow area along a small drainage, on the west side of a poor rock fence, about 200 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Gren 774 Comment
  UC164083  Marah oregana Geo. D. Butler 1909-5-8 731 Siskiyou Klamath River Comment
  CAS-BOT-BC348080  Matricaria discoidea A. A. Heller 1916-7-20 12461 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  HSC6017  Matricaria discoidea R. C. Wunner 1965-6-29 309 Siskiyou California Lava Beds National Monument; Indian Wells Campground, lower loop 1433 Comment
  JEPS107440  Medicago lupulina Lowell Ahart, John Dittes 2005-6-10 12063 Siskiyou Along 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
  POM348018  Medicago lupulina Louis C. Wheeler 1934-10-7 3313 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 671 Comment
  RSA239021  Melica bulbosa Frederick W. Oettinger 1968-8-8 451 Siskiyou Crapo Meadows. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  UC1026900  Melica bulbosa W. Bridge Cooke 1940-7-5 15296 Siskiyou above Wagon Camp; Mount Shasta Comment
  UCD86367  Melica bulbosa AHM 1955-7-27 55 G Siskiyou Klamath National Forest. Marble Mountains.Pierce's Draw Meadow. 1676 Comment
  POM265992  Melica californica Lincoln Constance, R. C. Rollins 1942-5-14 2934 Siskiyou Shasta River 6 miles north of Yreka. 762 Comment
  UC618638  Melica californica W. Bridge Cooke 1938-7-15 11267 Siskiyou Wagon Camp; Mt Shasta 1737 Comment
  CAS-BOT-BC282074  Melica fugax Geo. D. Butler 1910-4-30 1251 Siskiyou Yreka Comment
  CAS-BOT-BC282075  Melica fugax A. A. Heller 1921-7-7 13518 Siskiyou Mount Eddy W of Wagon Creek 2133 Comment
  CAS-BOT-BC281389  Melica harfordii Geo. D. Butler 1910-7-12 1745 Siskiyou Shackleford Creek 1371 Comment
  UCD88666  Melica subulata S. S. Tillett 1956-7-11 688 Siskiyou On the border of Trinity County. North side of Scott Mtn. divide near campground. 8 mi. se. of Callahan. 1615 Comment
  POM211190  Mentha canadensis Louis C. Wheeler 1934-9-16 3269 Siskiyou Walker, Klamath River 518 Comment
  UC1368674  Mentzelia albicaulis W. B. and V. G. Cooke 1968-7-1 39231 Siskiyou n side Mt. Shasta (Along Andesite Road) 1524 Comment
  HSC63288  Mentzelia laevicaulis M. A. Baker 1979-7-28 1063 Siskiyou 9 km S of Little Grider Creek, along Hwy. 96 Comment
  UC872574  Mentzelia laevicaulis var. laevicaulis A. A. Heller 1917-9-7 12974 Siskiyou above the mouth of the Shasta River (river); Klamath Comment
  CAS-BOT-BC428552  Micranthes aprica Ira L. Wiggins 1955-7-27 13516 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  UC1185945  Microseris laciniata subsp. laciniata L. E. Detling 1950-6-11 6635 Siskiyou Siskiyou Pass 1127 Comment
  CAS-BOT-BC349378  Microseris nutans Ira L. Wiggins 1955-7-27 13520 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  UC1112880  Microseris nutans Milo S. Baker, Douglas Barbe, and H. K. Wagnon 1957-6-16 13154 Siskiyou a few mi up grade Callahan-Trinity Center Rd.; Scott Mountains Comment
  HSC227  Microsteris gracilis William J. Ferlatte 1967-6-5 494 Siskiyou Big Flat, near public camp 1524 Comment
  RSA237329  Microsteris gracilis subsp. humilis Frederick W. Oettinger 1967-6-24 117 Siskiyou Ridge at Etna Summit between Etna and Sawyers Bar. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CHSC71504  Mimetanthe pilosa Vernon H. Oswald; Lowell Ahart 1998-7-21 9360 Siskiyou Northeast of Weed, east of Grass Lake, and west of Bray on Old State Highway 0.8 mi east of Tennant Rd. 1417 Comment
  UC1586887  Mimulus Juha Pykala and D. H. Norris 1987-6-26 1981 Siskiyou n Tickner Hole; Marble Mountain Wilderness Area Comment
  HSC90994  Mimulus breweri Jennifer Whipple 1976-7-9 1386 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC427  Mimulus guttatus William J. Ferlatte 1966-6-22 97 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  UC164274  Mimulus inodorus Geo. D. Butler 1908-8-24 448 Siskiyou Eldredge's Corral Russian Creek Comment
  UC1037453  Mimulus inodorus Milo S. Baker and Douglas Barbe 1955-6-30 55 Siskiyou 0.6 mi nw Forest Camp, Etna; Klamath Mountains, Johnson Creek 914 Comment
  POM146613  Mimulus layneae A. A. Heller 1925-6-25 13895 Siskiyou Along the Pacific Highway 3 miles north of the town of Mt. Shasta. Comment
  UC445194  Mimulus layneae Milo S. Baker 1899-7-8 Siskiyou Lava Beds Fall River Valley Comment
  HSC34312  Mimulus lewisii J. P. Smith, J. O. Sawyer 1973-8-15 7325 Siskiyou N of Angel Lake 2012 Comment
  UC618718  Mimulus microphyllus W. Bridge Cooke 1938-6-24 11091 Siskiyou MacBride Springs Mount Shasta Comment
  JEPS3168  Mimulus moniliformis George D. Butler 1908-8-4 453 Siskiyou head Shackleford Creek 1676 Comment
  UC1586883  Mimulus moniliformis Juha Pykala and D. H. Norris 1987-6-26 2107 Siskiyou 0-3 km below Bear Lake (above Bear Creek); Marble Mountain Wilderness Comment
  RSA50146  Mimulus moschatus var. moniliformis E. K. Balls 1949-7-9 13935 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. Comment
  HSC90991  Mimulus nanus Jennifer Whipple 1976-8-20 1716 Siskiyou S face of Mt. Eddy draining into the N Fork of the Sacramento River 2470 Comment
  RSA48208  Mimulus nanus var. nanus Roxana S. Ferris, Laura Lorraine 1948-6-12 11717 Siskiyou Schoolhouse Hill, Plowman's Valley (Noyes Valley), east fork of Scott River. Comment
  HSC23583  Mimulus primuloides J. O. Sawyer 1969-8-4 1908 Siskiyou Above S Sugar Lake 2043 Comment
  UC1063014  Mimulus primuloides L. Whitney 1934-6-10 1 Siskiyou Antelope Creek Dorris Quadrangle, Tennant 1463 Comment
  HSC72401  Mimulus primuloides var. linearifolius J. P. Smith, Steve Selva 1970-7-18 4480 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  RSA666377  Mimulus primuloides var. linearifolius Barbara J. Ertter, Julie Kierstead, James Nelson 1990-7-15 9354 Siskiyou Morgan Meadows on east side of Mount Eddy about 5 air miles due west of Mount Shasta City. 1677 Comment
  SBBG40476  Mimulus tilingii W. J. Dress 1951-8-14 3724 Siskiyou SW side of Mt Shasta, above Horse Camp 2529 Comment
  RSA211512  Mimulus tilingii William J. Ferlatte 1967-8-20 1056 Siskiyou Caribou Basin, Sawtooth Ridge. 2226 Comment
  CAS-BOT-BC174740  Minuartia nuttallii Elmer I. Applegate 1923-8-18 3864 Siskiyou Top of Redshale Mountain, east of Medicine Lake 2438 Comment
  JEPS84228  Minuartia nuttallii subsp. gregaria L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6343 Siskiyou ca 7 mi nne Seiad Valley (sw of Cook and Green Pass, ca 1/2 mi se of Red Butte) 1730 Comment
  RSA666373  Minuartia nuttallii subsp. gregaria Barbara Ertter 1990-7-14 9308 Siskiyou East side of Mount Eddy about 4 air miles due west of Mount Shasta City, at streamlet near end of Forest Road 41N53, about 1 mile north of Morgan Meadows. 1677 Comment
  UC1076020  Minuartia nuttallii subsp. gregaria Herbert L. Mason 1947-5-17 14766 Siskiyou 5 mi s Callahan (on Scott Mountain Road) Comment
  CHSC69823  Minuartia stolonifera Thomas W. Nelson; Jane P. Nelson 1979-5-26 4723 Siskiyou North Coast Ranges. Along State Route 3 3 miles north of Scott Mountain Pass at junction with road 40N03. Comment
  CHSC95108  Minuartia stolonifera L. P. Janeway 2006-7-4 8778 Siskiyou Klamath Ranges. Scott Mountains; along a short spur loop on northwest side of Hwy 3 4.8 road km southeast of Gazelle-Callahan Road; overlooking East Fork Scott River. Rocky north-facing serpentine slope. 1259 Comment
  SEINET4856155  Minuartia stolonifera Unknown 1985-6-19 7839 Siskiyou Along south side of State Rt. 3, 3.1 m N of Scott Mountain Pass. 1220 Comment
  JEPS61326  Mirabilis greenei Geo. D. Butler 1909-5-16 774 Siskiyou Hill e of Yreka Comment
  CDA23865  Mirabilis greenei D. L. Janssen, F. D. Horn 1978-5-22 Siskiyou Montague-Ager Road, Montague. 0 Comment
  UC530062  Mitella diversifolia Louis C. Wheeler 1934-7-12 2899 Siskiyou Cottonwood Creek Siskiyou Mts. 1066 Comment
  HSC20240  Mitella pentandra Dorothy Parker 1949-7-10 333 Siskiyou Near Paradise Lake, Salmon Mountain 1982 Comment
  CAS-BOT-BC94963  Mitella trifida R. C. Wenk 2005-7-15 231 Siskiyou Trinity Alps, above South Fork of Salmon River, along the Yellow Rose Mine Trail 1828 Comment
  RSA0010759  Mollugo verticillata H. M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, near Somes Bar. Comment
  UC1980587  Monardella C. Rose Broome, James L. Reveal, Darin Reveal, Crissie Cagle 1978-8-6 2322 Siskiyou CA highway 96, 0.8 mi W of Hamburg, at Mill Creek, opposite the highway from the Klamath River. Comment
  HSC22250  Monardella glauca J. O. Sawyer 1969-8-4 1833 Siskiyou Above Sugar Lake 2134 Comment
  HSC58927  Monardella glauca Marvin Butler 1971-8-20 170 Siskiyou Near El Capitan, close to the town of Cave Junction 1585 Comment
  LA54314  Monardella odoratissima Carl Epling; 1938-6-13 sn Siskiyou near Weed Comment
  UC61653  Monardella odoratissima subsp. glauca Geo. B. Grant September 1902 5131 Siskiyou Horse Camp Mount Shasta 2438 Comment
  CAS-BOT-BC220361  Monardella odoratissima subsp. pallida Ira L. Wiggins 1955-7-29 13578 Siskiyou Summit of ridge above Thompson Creek, trail to Caribou Lake 1999 Comment
  CAS-BOT-BC222172  Monardella odoratissima subsp. pallida W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Lake Trail, near Mt. Shasta Comment
  CAS-BOT-BC222178  Monardella odoratissima subsp. pallida A. A. Heller 1915-8-26 12230 Siskiyou North side of Mt. Eddy 1981 Comment
  UC2035850  Monardella odoratissima subsp. pallida C. L. Hitchcock, J. S. Martin 1939-7-6 5213 Siskiyou Takilma-Happy Camp road 1676 Comment
  UC2035852  Monardella odoratissima subsp. pallida W. Bridge Cooke 1940-7-5 15248 Siskiyou Along the road between Wagon Camp and Bear Springs (and near those two meadows); Mount Shasta Comment
  UC60931  Monardella odoratissima subsp. pallida Geo. B. Grant September, 1902 5208 Siskiyou Dunsmuir Mount Shasta 609 Comment
  SEINET10582080  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 344 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
  UCSB63904  Monardella odoratissima subsp. pallida Oswald, Vernon; Ahart, Lowell 1997-7-28 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: T42N R4E NE1/4 NE1/4 Sect. 6, Yellow Pine Forest 1755 Comment
  CHSC71317  Montia linearis Vernon H. Oswald; Lowell Ahart 1998-6-11 9204 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. Common in low scrub bordering the lake. 1402 Comment
  HSC49917  Montia linearis Maralyn O'Meara 1974-5-25 410 Siskiyou On Rd. 8, ~4.7 mi. W of junction with Hwy. 3 1159 Comment
  RSA262474  Montia parvifolia J. M. Tucker 1963-7-4 3696 Siskiyou Vicinity of U.S. Forest Service Public Camp, just east of Finley Camp, road from Etna to Sawyers Bar Comment
  RSA789821  Montia parvifolia Rebecca Wenk 2005-7-16 258 Siskiyou Trinity Alps, South Fork of the Salmon River. South end of Big Flat Meadow. 1494 Comment
  HSC77052  Muhlenbergia andina K. T. Stillman 1976-9-10 507 Siskiyou Marble Mountain Wilderness Area, across marble on E side of Black Mountain 2104 Comment
  HSC39859  Muhlenbergia asperifolia J. P. Smith, Steve Selva 1970-8-9 4582 Siskiyou In potato fields W of Macdoel. Comment
  RSA273301  Muhlenbergia asperifolia J. P. Smith, Steve Selva 1970-8-9 4582 Siskiyou West of Macdoel. Comment
  CAS-BOT-BC267043  Muhlenbergia filiformis John Thomas Howell 1937-7-25 13445 Siskiyou Caribou Basin, Salmon - Trinity Alps 2286 Comment
  UC1265409  Muhlenbergia filiformis Frederick W. Oettinger 1969-9-1 1575 Siskiyou Katharine Lake Salmon Mountains, Marble Mountain Wilderness Area (along sandy margin) 2026 Comment
  CAS-BOT-BC275340  Muhlenbergia jonesii W. B. C. 1938-7-29 11401 Siskiyou Above Bear Springs Comment
  JEPS95094  Muhlenbergia jonesii Vernon Oswald and Lowell Ahart 1997-7-28 8784 Siskiyou Forest Route 56 (42N56) 3.7 mi e of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave Yellow Jacket Ice Cave; Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave 1755 Comment
  UC618870  Muhlenbergia jonesii W. Bridge Cooke 1938-7-29 11413 Siskiyou near borders on meadow Mount Shasta, Wagon Camp Comment
  HSC461  Muhlenbergia montana William J. Ferlatte 1966-8-3 276 Siskiyou Josephine Lake basin 1677 Comment
  UC1265443  Muhlenbergia montana F. W. Oettinger 1968-9-7 753 Siskiyou granite slope at n end Hancock Lake; Salmon Mountains 1950 Comment
  JEPS94253  Myosotis discolor Vernon H. Oswald and Lowell Ahart 1998-6-11 9211 Siskiyou 23 air mi ne of Weed (Old State Highway 0.5 mi w of Bray, 10 air mi e of Grass Lake located on Highway 97); Old State Highway 1414 Comment
  SBBG243  Myriopteris gracillima H. and M. Dearing 1939-7-1 3790 Siskiyou Salmon Mtn 1828 Comment
  RSA24228  Nama lobbii Carl B. Wolf 1940-12-13 9802 Siskiyou Mt. Shasta s lower slopes. 1.5 miles northeast of Mt. Shasta City along power line road. 1220 Comment
  RSA68893  Nama lobbii A. E. Culbertson 1943-7-1 64 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 airmiles of its headwaters to the west. Comment
  RSA79002  Nama lobbii E. K. Balls, P. C. Everett 1952-10-13 18190 Siskiyou 10.2 miles northeast of town of Mt. Shasta, on John Everitt Memorial Highway to Mt. Shasta. 1829 Comment
  UC1045266  Nama lobbii W. Bridge Cooke 1940-6-6 15045 Siskiyou in open places along the Castle Lake Road (in the brush fields); along Castle Lake Road Comment
  HSC82353  Narthecium californicum Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4524 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  RSA105499  Nasturtium officinale G. D. Barbe 1955-6-29 30 Siskiyou 1 mile east of Callahan 976 Comment
  CAS-BOT-BC230310  Navarretia heterandra Alice Eastwood 1912-7-20 1266 Siskiyou Hornbrook Comment
  UC1094396  Navarretia intertexta Rimo C. Bacigalupi with Galen Smith 1957-6-26 5934 Siskiyou ca 2 mi n Weed (along Highway 99) 1036 Comment
  CHSC71308  Navarretia leucocephala subsp. minima Vernon H. Oswald 1998-6-11 9226 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. In vernal pool. 1295 Comment
  CAS-BOT-BC219532  Nemophila parviflora J. H. Thomas 1954-5-13 4155 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Along Rush Creek, Southwestern Siskiyou County 1127 Comment
  UC164108  Nemophila pedunculata Geo. D. Butler 1909-4-7 658 Siskiyou near Yreka; near Yreka Comment
  JEPS94846  Nepeta cataria Vernon H. Oswald and Lowell Ahart 1998-9-16 9636 Siskiyou Highway 161 adjacent to a marsh at the Lower Klamath National Wildlife Refuge (5.3 mi e of Highway 97); Highway 161 1243 Comment
  RSA43881  Nepeta cataria H. M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, near Somes Bar. Comment
  POM208266  Nicotiana acuminata Louis C. Wheeler 1934-6-2 2612 Siskiyou Oak Knoll Ranger Station, Klamath River. Siskiyou Mtns. 671 Comment
  CHSC97390  Nicotiana attenuata Jenny Marr 2006-6-18 226 Siskiyou Cascade Range High. Plants collected along Hwy. 97. 1524 Comment
  RSA80775  Nicotiana attenuata F. W. Peirson 1923-7-19 3837 Siskiyou 20 miles north of Bray. Comment
  UC195220  Nicotiana quadrivalvis Annie M. Alexander and Louise Kellogg 1911-6-13 132 Siskiyou 6 mi nw Callahan Comment
  CAS-BOT-BC60579  Noccaea fendleri subsp. glauca W. R. Dudley 1893-6-20 s.n. Siskiyou By Sacramento River crossing trail to Castle Lake Region of Mount Shasta. Comment
  HSC65275  Nothochelone nemorosa Rich White 1978-7-3 201 Siskiyou 0.5 mi. up Dillon Ridge Trail 1715 Comment
  JEPS3011  Nothochelone nemorosa Herbert L. Mason 1950-7-16 14062 Siskiyou Road from Happy Camp California, to Waldo Oregon Happy Camp Comment
  JEPS84080  Nothochelone nemorosa L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6315 a Siskiyou Indian Creek Road from Takilma to Happy Camp (just s of state line) Comment
  NY790536  Nothochelone nemorosa A. M. Carter 1939-8-21 1468 Siskiyou Steep slope above southeast end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2164.1 Comment
  NY790538  Nothochelone nemorosa D. D. Keck 1938-8-6 4821 Siskiyou At Del Norte Co. line, Poker Flat, on north slope just southeast of summit 1402.1 Comment
  RSA331962  Nothochelone nemorosa Walter Wisura, Dave Kelly 1985-7-30 4074 Siskiyou Along forestry road 47N63 near Siskiyou Summit, N of Horse Creek on Hwy 96. Comment
  RSA408399  Nothochelone nemorosa M. B. Dunkle 1945-8-7 9334 Siskiyou King's Castle. Klamath Nat'l Forest. Marble Mtns. Comment
  UC1222313  Oemleria cerasiformis Joseph P. Tracy 1951-6-16 19502 Siskiyou near State Line (at crossing of the Takilma-Happy Camp Road); Summit of the Siskiyous Comment
  CHSC4525  Oenothera elata subsp. hirsutissima J. E. Bowlin 1967-7-18 57 Siskiyou Off roadside, ca. 13.9 mi w of Mount Shasta Ski Bowl. 1158 Comment
  RSA367003  Olsynium douglasii Louis C. Wheeler 1935-3-18 3377 Siskiyou Cottonwood Creek, Siskiyou Mtns. (Mt Diablo Mer.) 945 Comment
  CDA37696  Onopordum acanthium Robin Breckenridge 2005-7-19 s.n. Siskiyou South Weed Exit, trucking parking area. 0 Comment
  CAS-BOT-BC355597  Oreostemma alpigenum var. andersonii David D. Keck 1938-8-8 4868 Siskiyou At Trinity Co. line: Scott Mountain Divide, between Scott Mtn. and Craggy Peak 1675 Comment
  CHSC114078  Oreostemma alpigenum var. andersonii Jennifer Buck; Deborah Stout 2011-8-23 TL 03 A Siskiyou Middle Fork Sacramento River headwters, east slope of the Eddys, near Toad Lake; UTM Zone 10N, 542269E, 4570217N. 2065 Comment
  CAS-BOT-BC500191  Orobanche fasciculata John Thomas Howell 1939-8-4 15028 Siskiyou Marble Mts: between Elk Mt. and Marble River Comment
  UC1299157  Orobanche uniflora subsp. occidentalis Freed W. Hoffman 1950-7-13 3767 Siskiyou Baldy Lookout, western Siskiyou County. Comment
  CAS-BOT-BC500329  Orobanche uniflora subsp. occidentalis Gilbert J. Muth 1966-7-18 417 Siskiyou Marble Mountains: Marble Gap Trail, above Marble Valley 1828 Comment
  CAS-BOT-BC500330  Orobanche uniflora subsp. occidentalis L. E. Smith 1914-4-20 638 Siskiyou Yreka Comment
  HSC61510  Orthilia secunda Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  HSC61869  Orthilia secunda Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  HSC92965  Orthilia secunda Jennifer Whipple 1977-8-6 2228 Siskiyou Dale Creek drainage on N face of Mount Eddy 2195 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
  UC1190162  Orthilia secunda Ira L. Wiggins 1955-7-24 13495 Siskiyou Ridge between upper reaches of China & Blind Horse Creeks 1645 Comment
  UC637089  Orthilia secunda Edward Lee 1934-8-13 1087 Siskiyou waterhead of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest 1463 Comment
  CAS-BOT-BC458091  Orthilia secunda Ira L. Wiggins 1955-7-24 13495 Siskiyou Ridge between upper reaches of China and Blind Horse Creeks 1645 Comment
  CAS-BOT-BC266618  Orthocarpus cuspidatus Geo. D. Butler 1909-6-22 930 Siskiyou Goosenest foothills Comment
  CHSC1813  Orthocarpus cuspidatus subsp. copelandii K. Jaekel 1932-6-26 Siskiyou Mt. Eddy. 1219 Comment
  JEPS9403  Orthocarpus cuspidatus subsp. cuspidatus Geo. D. Butler 1910-7-8 1680 Siskiyou Shackelford Creek 1371 Comment
  UC110977  Orthocarpus pachystachyus H. E. Brown Jun 1-15 1897 449 Siskiyou n side Mt. Shasta Comment
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Jun 23 2016
  RSA237405  Osmorhiza berteroi Frederick W. Oettinger 1968-8-18 566 Siskiyou East side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UC595105  Osmorhiza occidentalis David D. Keck 1938-8-6 4811 Siskiyou 4 mi s Oregon Line (on road from Waldo to Happy Camp, at Del Norte Co. line); Summit of Siskiyou Mts., Poker Flat 1555 Comment
  RSA604465  Oxalis trilliifolia Louis C. Wheeler 1959-7-25 7593 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  UC618856  Oxyria digyna W. Bridge Cooke 1938-9-8 11651 Siskiyou n side Red Butte; Mount Shasta, n side of Red Butte Comment
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Nov 6 2009
  UCD103451  Ozomelis trifida Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou East of Marble Mountain, Marble Mountains. 1828 Comment
  CAS-BOT-BC28834  Paeonia brownii George Dexter Butler 1910-4-23 1229 Siskiyou Quartz Valley Comment
  RSA155856  Paeonia brownii Peter H. Raven 1962-5-30 17993 Siskiyou US Hwy 97, 8.3 miles north of Weed. Comment
  UCSC004588  Panicum capillare Randall Morgan 2004-5-31 4177 Siskiyou Castle Crags State Park, Sacramento River Comment
  CAS-BOT-BC253811  Panicum dichotomiflorum Henry Pollard 1956-10-7 s.n. Siskiyou Klamath River on Spink's Ranch at Roger's Creek about 5 miles above Somes Bar Comment
  CDA3570  Papaver rhoeas D. Bush 1967-8-2 Siskiyou Southern Pacific Railroad right of way, Hatfield. 0 Comment
  UCD96007  Papaver rhoeas Beecher Crampton 1969-6-19 8467 Siskiyou Gazelle; Interstate Highway 5 southbound. Comment
  CAS-BOT-BC202858  Paxistima myrsinites Doris K. Kildale 1929-7-20 8639 Siskiyou Trail up South Fork Indian Creek to Elk Lick Comment
  UC1190160  Paxistima myrsinites Ira L. Wiggins 1955-7-24 13487 Siskiyou ridge between upper reaches of China Creek and Blind Horse Creek 1463 Comment
  UC163986  Paxistima myrsinites Geo. D. Butler 1910-4-22 1219 Siskiyou Kidder Creek Comment
  UC169888  Paxistima myrsinites Harley P. Chandler June, 1901 1632 Siskiyou ridges & meadows near Marble Mt. (Klamath River to Marble Mt.); North Coast Ranges 2133 Comment
  UC618812  Pectocarya pusilla Ivan Johnston 1938-7-1 11130 Siskiyou above Bear Springs; Mount Shasta 1676 Comment
  CAS-BOT-BC266647  Pedicularis bracteosa var. flavida Edna Kelsey 1961-8-1 s.n. Siskiyou Sky High Lake, Marble Mountains Comment
  HSC19156  Pedicularis bracteosa var. flavida J. O. Sawyer 1969-7-24 1486 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  HSC19158  Pedicularis bracteosa var. flavida J. O. Sawyer 1969-8-4 1819 Siskiyou Above Sugar Lake 2134 Comment
  HSC19149  Pedicularis contorta J. O. Sawyer 1969-8-4 1832 Siskiyou Above Sugar Lake 2134 Comment
  HSC29251  Pedicularis contorta Frederick W. Oettinger 1968-8-22 599 Siskiyou Marble Mtn. Wilderness Area, below Diamond Lake on way to English Peak 2226 Comment
  UC618752  Pedicularis densiflora W. Bridge Cooke 1938-6-24 11098 Siskiyou Mount Shasta 1524 Comment
  UCSB23732  Pedicularis densiflora Keefe, Joseph 1967-7-11 Siskiyou 2.3 miles north of Castle Lake, 10 miles southeast of town of Mt. Shasta 1219 Comment
  SEINET12270418  Pedicularis groenlandica H. P. Chandler 1901-1 1561 Siskiyou Ridges and Meadows near Marble Mtn 1829 Comment
  HSC48178  Pedicularis howellii Rich White 1978-7-3 217 Siskiyou Lake E of Sawtooth Trail, N of Dillon Trail 1502 Comment
  RSA686812  Pellaea brachyptera L. L. Kiefer 1963-8-9 721 Siskiyou West of town of Mount Shasta, county road off road to Castle Lake, between Wagon and Deer Creek bridges 1220 Comment
  CAS-BOT-BC67679  Pellaea brachyptera Marion Ownbey; D. H. Brown 1941-6-22 2424 Siskiyou Ridge, west of Craggy Mountain, northwest of Yreka. Comment
  POM211337  Pellaea brachyptera L. C. Wheeler 1934-8-15 3157 Siskiyou Siskiyou Mountains: East Fork Horse Creek. 1524 Comment
  RSA0037167  Penstemon John F. Emmel 1993-7-25 1275 Siskiyou Curtis Meadows, along McCloud River, SE of Bartle. 1207 Comment
  JEPS101469  Penstemon anguineus Dean W. Taylor 1972-7-3 1593 Siskiyou Cook and Green Pass 1371 Comment
  UC164290  Penstemon anguineus Geo. D. Butler 1908-8-4 432 Siskiyou head of Shackleford Creek Comment
  HSC63264  Penstemon anguineus M. A. Baker 1979-7-30 1077 Siskiyou Draw W of trail to Rainy Lake Comment
  SBBG7110  Penstemon azureus H. and M. Dearing 1939-6-30 3755 Siskiyou road from Callahan to Trinity Alps Comment
  UC1238935  Penstemon cinereus Freed W. Hoffman 1948-7-12 2456 Siskiyou Little Shasta River 22.8 mi e Montague (Lava Flow); North Coast Ranges, Little Shasta River, Lava flow 1584 Comment
  UC564176  Penstemon cinereus Elmer I. Applegate 1935-6-2 9268 Siskiyou Indian Wells Lava Beds National Monument, Indian Wells Comment
  RSA233656  Penstemon davidsonii Robert F. Thorne, Frederick W. Oettinger 1969-8-10 39005 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  RSA309614  Penstemon davidsonii Walter Wisura 1983-9-16 3937 Siskiyou 5.9 mi W of western boundary of Lava Beds Nat'l Mon., along road to Tennant. Comment
  CAS-BOT-BC265368  Penstemon davidsonii var. davidsonii Elmer I. Applegate 1923-8-18 3853 Siskiyou W base of Redshale Mountain, Medicine Lake region 2133 Comment
  NY590189  Penstemon davidsonii var. davidsonii R. F. Thorne 1969-8-10 39005 Siskiyou Mount Shasta National Forest: south slope of Mount Shasta 2377.4 Comment
  HSC40234  Penstemon deustus J. P. Smith 1976-5-4 8663 Siskiyou E boundary of Klamath National Forest along Hwy. 96, above Klamath River 610 Comment
  RSA401795B  Penstemon deustus Donald Myrick 1968-6-27 2037 Siskiyou Rocky ledge just above Carter's Ranch, 5 miles south of Big Flat, head of Coffee Creek. 1677 Comment
  RSA412527  Penstemon deustus Louis C. Wheeler 1934-6-9 2668 Siskiyou Dutch Creek off Klamath River. Siskiyou Mtns. 610 Comment
  RSA183719  Penstemon deustus subsp. deustus Gilbert Muth 1965-8-12 214 Siskiyou Marble Valley, Marble Mts. Comment
  NY591803  Penstemon deustus var. pedicellatus D. D. Keck 1927-8-16 990 Siskiyou 4 miles east of Mount Shasta City on west flank of Mount Shasta. 1615.4 Comment
  JEPS26524  Penstemon deustus var. suffrutescens Lauramay T. Dempster 1961-7-2 1862 Siskiyou s.w. Etna (ridge w. of Salmon Mt. Summit) 1828 Comment
  RSA716056  Penstemon deustus var. suffrutescens L. Ahart 2005-6-9 12037 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  UC886951  Penstemon deustus var. suffrutescens Lewis S. Rose 1940-6-14 40586 Siskiyou Indian Well Lava Beds National Monument, Indian Well 1524 Comment
  CHSC67046  Penstemon gracilentus Marion Ownbey; Fred G. Meyer 1940-7-3 2195 Siskiyou Near the timber line on east side of Mt. Shasta. Comment
  UC1483496  Penstemon gracilentus J. Sawyer and J. Cole 1980-7-21 3882 Siskiyou near Haight Mtn. (along F.S. rd running ssw); Klamath National Forest, Bray Quad. 1938 Comment
  NY600747  Penstemon gracilentus D. D. Keck 1938-7-22 11332 Siskiyou Along the Sisson Southern Trail. Canadian Zone. Comment
  POM146623  Penstemon gracilentus A. A. Heller 1922-7-15 13691 Siskiyou At Medicine Lake in front of the ranger station. 2134 Comment
  JEPS101478  Penstemon heterodoxus var. shastensis Dean Wm. Taylor with Glenn Clifton 1987-6-24 9059 Siskiyou N end of White Horse Mountains, Tuft Creek, near BM 4374 1333 Comment
  JEPS101505  Penstemon humilis var. humilis Dean W. Taylor 1997-6-11 16046 Siskiyou Duzel Rock, headwaters Moffett Creek, Scott River drainage 2072 Comment
  SJSU6070  Penstemon humilis var. humilis R. W. Trivelpiece 1971-7-5 44 Siskiyou Little Shasta Cr c. 8 mi E of shasta Valley 1219 Comment
  JEPS11380  Penstemon laetus var. sagittatus W. L. Jepson 1940-6-23 20026 Siskiyou Andesite Sta. n of Mt. Shasta, Andesite Sta. 975 Comment
  NY604565  Penstemon laetus var. sagittatus C. L. Hitchcock 1939-7-6 5210 Siskiyou On Takilma-Happy Camp road 1676.4 Comment
  UCD69102  Penstemon laetus var. sagittatus D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-11 s.n. Siskiyou Siskiyou: Mount Shasta-Shasta Peak. J. Everitt Memorial Highway. White fir forests (Castanopsio sempervirentis-Abietetum lowianae Rivas-Martinez and Sanchez-Mata 1997). 1520 Comment
  HSC29296  Penstemon newberryi Frederick W. Oettinger 1968-9-6 747 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow, Tom's Lake region 2188 Comment
  SBBG16540  Penstemon newberryi D. Myrick 1961-6-19 266 Siskiyou rd to Mt Shasta Ski Bowl 1524 Comment
  HSC91153  Penstemon newberryi subsp. berryi Jennifer Whipple 1977-7-22 2042 Siskiyou Ridgecrest between Dobkins Lake drainage and Dale Creek drainage 2348 Comment
  LA28971  Penstemon newberryi var. newberryi E. B. Copeland; 1903-7-17 3510 Siskiyou Mt Shasta 1828 Comment
  HSC81671  Penstemon parvulus Thomas W. Nelson, Jane P. Nelson 1980-7-17 6074 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  SEINET4677812  Penstemon parvulus M. S. Taylor 1980-7-8 3114 Siskiyou Dunsmuir quad; Shasta-Trinity National Forest; on ridge S of Castle Lake, above Hearts Lake.; 0 2017 Comment
  UC1238922  Penstemon parvulus Freed W. Hoffman 1950-7-13 3490 Siskiyou Baldy Mountain North Coast Ranges, Baldy Mountain (western Siskiyou County) 1828 Comment
  UC922583  Penstemon parvulus Annie M. Alexander and Louise Kellogg 1948-9-9 5610 Siskiyou near Taylor Lake; Siskiyou Mountains, near Taylor Lake 1828 Comment
  JEPS21124  Penstemon parvulus Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5964 Siskiyou Canyon of South Fork of Sacramento River at its source in the region immediately s Mt. Eddy (along very poor mountain road to Gumboot Lake, sw corner of Siskiyou County); Canyon South Fork Sacramento River, s of Mt. Eddy 1432 Comment
  JEPS57172  Penstemon procerus subsp. formosus L. R. Heckard 1967-8-13 1703 Siskiyou summit region of Mount Eddy Mount Eddy 2743 Comment
  HSC2403  Penstemon procerus var. brachyanthus William J. Ferlatte 1966-8-17 398 Siskiyou Caribou Basin 1982 Comment
  JEPS74525  Penstemon procerus var. brachyanthus W. J. Ferlatte 1966-6-22 81 Siskiyou Josephine Lake basin Trinity Alps 1676 Comment
  HSC68490  Penstemon roezlii Maralyn A. Renner 1980-6-9 852 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  UC163964  Penstemon roezlii Geo. D. Butler 1910-6-9 1579 Siskiyou foothills of the Goosenest Mountains 1386 Comment
  RSA60783  Penstemon roezlii Dorothy Parker 1948-6-14 s.n. Siskiyou Rail Creek, Plowman's Valley. 1189 Comment
  RSA114975  Penstemon rydbergii var. oreocharis E. K. Balls, Lee W. Lenz 1956-6-18 21806 Siskiyou 1.3 mi SE of Bartle (jct with rd to Lava Beds) State Hwy 89, McCloud to Burney. 1220 Comment
  UCR93363  Penstemon speciosus Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Modoc National Forest, Forest Road 49 (Lava Beds/Medicine Lake Road), c. 1 mi north of southern boundary of Lava Beds National Monument 1402 Comment
  RSA47610  Penstemon speciosus Roxana S. Ferris, Laura Lorraine 1948-6-12 11729 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  SEINET11154191  Perideridia gairdneri subsp. borealis G. D. Butler 1910-8-7 1822 Siskiyou Humbug Mountain. 1219 Comment
  RSA237660  Perideridia howellii Frederick W. Oettinger 1969-8-18 1430 Siskiyou Due NW of Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  HSC65427  Perideridia leptocarpa D. Reed 1980-8-19 299 Siskiyou Above Scott River Rd., just E of Jones Beach 762 Comment
  SEINET5135939  Perideridia leptocarpa Unknown 1966-6-15 3768 Siskiyou W-facing slope above Trinity River 5 miles NW of Cecilville Comment
  RSA211473  Perideridia parishii subsp. latifolia William J. Ferlatte 1966-8-16 371 Siskiyou Trinity Alps: Big Flat Hillside, between campground and S. Fork of the Salmon River 1524 Comment
  CAS-BOT-BC419264  Persicaria maculosa Elmer I. Applegate 1923-9-6 3977 Siskiyou Klamath River, mouth of Doggett Creek Comment
  UCD127950  Petroselinum crispum Verne Grant; Irving Schneider 1947-8-25 8279 Siskiyou West side of Tule Lake. Comment
  JEPS81095  Phacelia bolanderi D. H. Norris 1970-5-23 12236 Siskiyou Ishi Pishi Bridge Klamath River (near Somes Bar) Comment
  HSC103911  Phacelia corymbosa Dana York, Richard Helliwell 2010-9-11 3017 Siskiyou Six Rivers National Forest, boundary of Siskiyou Wilderness, NW slope of Broken Rib Mountain 1433 Comment
  JEPS35235  Phacelia hastata L. R. Heckard and R. Bacigalupi, J. Weiler 1961-7-2 1254 Siskiyou about 7 1/2 mi ne of Weed (along U.S. Highway 97); U.S. Highway 97 1127 Comment
  CHSC70133  Phacelia hastata subsp. compacta Jennifer Whipple 1976-7-2 1268 Siskiyou Klamath Mountains. Mount Eddy. Dobkins Lake drainage on east facing slopes above Dobkins Lake. 2316 Comment
  RSA170279  Phacelia heterophylla subsp. virgata W. L. Jepson 1940-6-23 20012 Siskiyou Andesite station, north of Mount Shasta. 976 Comment
  RSA152172  Phacelia leonis Lincoln Constance, R. C. Bacigalupi, L. Heckard 1960-7-20 s.n. Siskiyou Twin Valley, 5 miles SW of Poker Flat, Siskiyou Mountains 1555 Comment
  SEINET3158192  Phacelia magellanica f. virgata G. D. Butler 1910-5-22 1386 Siskiyou Yreka Creek Comment
  JEPS55975  Phacelia mutabilis John Thomas Howell 1939-8-9 15233 Siskiyou ridge s Marble Valley; Marble Mts. Comment
  UC1426026  Phacelia mutabilis Frederick W. Oettinger 1968-8-11 482 Siskiyou dry stream banks just below Tom Taylor Cabin Spring; Salmon Mountains, Marble Mountain Wilderness Area, High Lake 2042 Comment
  HSC29254  Phacelia mutabilis Frederick W. Oettinger, R. F. Thorne 1969-8-5 1208 Siskiyou Trail near Willow Springs between Abbotts Upper Cabin and English Lake 1677 Comment
  UC1222906  Phacelia mutabilis Joseph P. Tracy 1951-6-16 19482 Siskiyou at crossing of the Tikilma-Happy Camp Rd summit of the Siskiyous (near OR-CA state line) Comment
  CDA21304  Phacelia pringlei Bill Ogden 2007-6-6 BO 1 -2007 Siskiyou Northern California; Bridge Rd, Weed. 0 Comment
  JEPS107317  Phacelia ramosissima var. ramosissima Lowell Ahart, John Dittes 2005-6-10 12084 Siskiyou Under a juniper tree, about 50 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
  RSA715804  Phacelia ramosissima var. ramosissima L. Ahart, John Dittes 2005-6-10 12084 Siskiyou About 50 yards southeast of the pump house along the Shasta River, about 1.9 air miles south of Highway 99/97 cutoff, about 6 air miles ESE of Grenada. 777 Comment
  UCD77959  Phacelia scariosa Robert E. Preston 2001-6-23 1571 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  CAS-BOT-BC77423  Philadelphus lewisii D. E. Breedlove 1962-6-10 3316 Siskiyou On the north bank of the Klamath River at its junction with Goff Creek, 4.5 miles west of Seiad Comment
  CAS-BOT-BC77434  Philadelphus lewisii L. E. Detling 1950-6-10 6623 Siskiyou Shasta R. Canyon, nr. Dry Gulch 777 Comment
  UC1408863  Philadelphus lewisii Frederick W. Oettinger and R. F. Thorne 1969-8-5 1200 Siskiyou on English Lake trail above Willow Spring (high lake basins in vicinity of English Peak, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  UC165384  Philadelphus lewisii Geo. D. Butler 1908-7-7 405 Siskiyou along creek near Yreka Comment
  UCD161718  Philadelphus lewisii J. P. Smith; Steve Selva 1970-6-14 3890 Siskiyou Siskiyou County. 1 mile east of Steinacher Creek Road, on road to Forks of Salmon. Comment
  RSA602583  Phleum alpinum L. C. Wheeler 1935-7-26 3713 Siskiyou Jaynes Canyon; Siskiyou Mountains. (Mt. Diablo Mer.) 1951 Comment
  CAS-BOT-BC250950  Phleum pratense Wm. Bridge Cooke 1938-7-15 11201 Siskiyou Mount Shasta. Along creeks in Bear Springs Comment
  HSC70731  Phleum pratense Ruby Van Deventer 1955-8-5 Siskiyou Forest Service Rd. 17N04 Comment
  RSA105397  Phleum pratense G. D. Barbe 1955-7-5 109 Siskiyou At Greenview city limit on Highway to Fort Jones; Klamath Mountains 884 Comment
  RSA469927  Phlox diffusa subsp. diffusa J. P. Smith 1973-5-5 6424 Siskiyou Along Cook and Green Pass road. Comment
  RSA78684  Phlox diffusa subsp. diffusa P. A. Munz 1952-7-2 17881 Siskiyou Road to Baldy Mt., northwest of Happy Camp, Siskiyou Mts. 1494 Comment
  HSC45989  Phlox speciosa subsp. nitida J. P. Smith 1973-5-5 6546 Siskiyou Scott Bar along the Scott River Comment
  SD114157  Phlox speciosa subsp. nitida Darley F. Howe 1977-7-5 5001 Siskiyou Area north of Mt. Shasta. 1463 Comment
  CAS-BOT-BC60685  Phoenicaulis cheiranthoides Geo. D. Butler 1910-5-7 1296 Siskiyou Dry Hill near Yreka. Comment
  UC375257  Phoradendron Geo. D. Butler 1908-7-16 1552 Siskiyou Klamath R. Comment
  CAS-BOT-BC135024  Phoradendron bolleanum Doris Overman 1919-9-1 s.n. Siskiyou Yreka Comment
  CAS-BOT-BC135025  Phoradendron bolleanum Alice Eastwood 1922-10-23 11559 Siskiyou Yreka Comment
  HSC44984  Phyllodoce empetriformis J. O. Sawyer 1978-6-21 3289 Siskiyou Marble Mountain Wilderness, trail W of Dollar Meadows 1890 Comment
  RSA237315  Phyllodoce empetriformis Frederick W. Oettinger 1967-7-8 164 Siskiyou Near Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  CAS-BOT-BC56486  Phyllodoce empetriformis Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  UC609320  Phyllodoce empetriformis Eleanor Burks Hart 1938-8-20 942 Siskiyou sw slope of Red Cap Red Cap 2255 Comment
  CAS-BOT-BC140601  Physocarpus capitatus Doris K. Kildale 1939-8-24 9054 Siskiyou Youngs Valley, trail to Preston Peak 1371 Comment
  UCSB13155  Physocarpus capitatus Breedlove, Dennis 1962-6-10 Siskiyou North bank of the Klamath River at its junction with Goff Creek, 4.5 miles west of Seiad 411 Comment
  CAS-BOT-BC73427  Picea breweriana Doris K. Kildale 1929-7-21 8746 Siskiyou Elk Lick, upper Indian Creek 1219 Comment
  CAS-BOT-BC78177  Picea breweriana R. Bacigalupi 1935-10-21 2370 Siskiyou 1/2 mi. n.e. of summit of new Forest Service Road, between Waldo and Happy Camp, near Del Norte-Siskiyou county Line Comment
  UC1318222  Picea breweriana Alan Bell 1963-8-17 Siskiyou on slope sw Log Lake (10 deg e from summit of Bear Ridge on its ne side); Klamath National Forest, Scott Mountains 1965 Comment
  JEPS35939  Picea breweriana John Allen 1964-9-1 Siskiyou ca due w Orleans (on ridge between Dillon Creek and Elk Valley, road starts up from Orleans, and finally one takes the Dillon Mountain road) 1219 Comment
  JEPS35940  Picea breweriana John Allen 1964-9-1 Siskiyou ca due w Orleans (on ridge between Dillon Creek and Elk Valley, road starts up from Orleans and finally one takes the Dillon Mtn. road) 1219 Comment
  HSC19112  Picea engelmannii J. O. Sawyer 1969-8-5 1970 Siskiyou Slopes W of South Sugar Creek 1799 Comment
  POM264685  Picea engelmannii L. E. Berriman 1940-8-30 s.n. Siskiyou Sugar Creek, a tributary of the Scott River; Mount Diablo Meridian 1433 Comment
  HSC103156  Pinus albicaulis Michael Kauffmann 2013-8-7 18 Siskiyou South China Mountain 2395 Comment
  RSA105393  Pinus albicaulis G. D. Barbe 1955-8-5 360 Siskiyou Growing along a ridge NW of the summit of Caribou Mtn in the Salmon Mtns. 2409 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
  CAS-BOT-BC73391  Pinus albicaulis Gilbert Muth 1966-8-6 177 Siskiyou Marble Mts. - ridges of the Marble rim. 2133 Comment
  NY34637  Pinus attenuata A. A. Heller 1921-7-23 13587 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UC1402324  Pinus attenuata H. Bowerman 1942-11-7 8676 A Siskiyou Siskiyou National Forest; e slope of ridge Comment
  CAS-BOT-BC78494  Pinus contorta subsp. murrayana W. R. Dudley 1899-8-15 s.n. Siskiyou Near Glazier Comment
  HSC26021  Pinus contorta var. murrayana R. J. Mastrogiuseppe 1971-10-23 Siskiyou Ridge between Sugar Creek and Duck Lake Creek draianages 2195 Comment
  RSA624393  Pinus lambertiana L. C. Wheeler 1952-9-17 6937 Siskiyou Unspecified. Comment
  CAS-BOT-BC78926  Pinus monticola W. B. C. 1938-9-17 11705 Siskiyou Slopes below Horse Camp 2133 Comment
  HSC32581  Pinus monticola Steven Lagos 1974-5-26 84 Siskiyou Little Duck Lake and the ridge above it, Bulk Collection # 64 2073 Comment
  HSC69037  Pinus monticola Maralyn A. Renner 1980-8-7 2368 Siskiyou Ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  SEINET10966122  Pinus ponderosa Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-2 Conrad 6982 Siskiyou Western Yellow Pine, Libocedrus, Douglas Fir forest, 6 mi SW of Callahan. 1524 Comment
  HSC100207  Pinus sabiniana J. P. Smith, , J. O. Sawyer, & R. J. Cole 2011-5-22 13176 Siskiyou Along the road from Cecilville to Forks of Salmon. 640 Comment
  RSA382824  Piperia unalascensis Louis C. Wheeler 1934-7-2 2839 Siskiyou Deer Creek. Sterling Mtn. Siskiyou Mtns. 1585 Comment
  CDA5732  Plagiobothrys bracteatus L. Ahart, J. Dittes 2005-6-9 12035 Siskiyou About 50 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. Comment
  JEPS105206  Plagiobothrys kingii var. harknessii Dean W. Taylor 1995-6-4 14965 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. 10 miles North of Weed) 1158 Comment
  UC164106  Plagiobothrys nothofulvus Geo. D. Butler 1910-4-10 1164 Siskiyou near Yreka Comment
  SBBG106810  Plagiobothrys nothofulvus K. L. Chambers, C. G. Carlbom 1962-4-21 2104 Siskiyou Hwy 99, 5.6 mi S of the center of Yreka Comment
  JEPS68126  Plagiobothrys tenellus George D. Butler 1909-4-13 654 Siskiyou near Yreka Comment
  UC1072710  Plantago lanceolata Douglas Barbe 1955-7-1 74 Siskiyou 1.3 mi e Etna (on the Westside Road to Callahan, to the s of the road); Klamath Mountains 853 Comment
  UC456040  Plantago lanceolata I. J. Condit 1911-7-13 Siskiyou Dunsmuir Comment
  HSC69053  Platanthera dilatata var. leucostachys Maralyn A. Renner 1980-8-6 2310 Siskiyou Cracker Meadow 1555 Comment
  HSC96867  Platanthera dilatata var. leucostachys Gordon Leppig, J. Cromwell 1997-7-25 576 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  UC2013019  Platanthera dilatata var. leucostachys Barbara Ertter 1990-7-14 9344 Siskiyou Wagon Creek on E side of Mt. Eddy, ca. 4 air miles W of Mt. Shasta City. Comment
  HSC29155  Platanthera dilatata var. leucostachys Frederick W. Oettinger 1968-8-7 442 Siskiyou High Lake Basins in the Marble Mtn. Wilderness Area, SW of Tobacco Lake 1890 Comment
  RSA0028277  Platanthera hyperborea Barbara Ertter 1990-7-14 9343 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4 air miles west of Mt. Shasta City 1829 Comment
  HSC484  Platanthera sparsiflora William J. Ferlatte 1967-7-25 723 Siskiyou Caribou Basin 1982 Comment
  HSC4862  Platanthera sparsiflora J. O. Sawyer 1968-6-25 323 Siskiyou Along Horse Range Creek 1829 Comment
  HSC86550  Platanthera stricta D. K. Imper 1987-6-6 Siskiyou 8 mi. E of Somes Bar, vicinity of Jawbone Camp 1372 Comment
  RSA249349  Platanthera stricta A. Montalvo, J. D. Akerman 1974-8-17 423 Siskiyou West slope of Preston Peak, 5 miles north of Rattlesnake Meadow 1646 Comment
  JEPS26660  Plectritis congesta Lauramay T. Dempster 1961-7-1 1840 Siskiyou se of White Mountain (just s of Oregon Border) Comment
  SBBG26969  Plectritis macrocera L. C. Wheeler 1935-6-1 3537 Siskiyou Yreka Crk, Siskiyou Mtns 853 Comment
  RSA183749  Pleuricospora fimbriolata Gilbert Muth 1965-8-5 307 Siskiyou Granite Creek, Marble Mts. Comment
  CAS-BOT-BC254782  Poa bolanderi Geo. D. Butler 1910-7-12 1747 Siskiyou Shackleton Creek 1371 Comment
  UCD90546  Poa bolanderi A. A. Heller 1914-8-28 11736 Siskiyou East side of Mt. Eddy. 2438 Comment
  SEINET7096765 Image available Poa bulbosa A. G. Vestal 1955-5-17 s.n. Siskiyou Scott Valley. 0.8 miles north of Etna on Route 3. NAD27 41? deg. 28' 13ao, -122?_ 53' 51ao (converted to WGS84 decimal degrees) UTM Zone 10, 508563mE, 4590750mN. Comment
  UC450463  Poa bulbosa Morris Halperin 1930-5-17 303 Siskiyou Yreka 800 Comment
  HSC73334  Poa compressa Gail Newton 1980-6-20 469 Siskiyou Near Bald Mtn. 1097 Comment
  CAS-BOT-BC255147  Poa cusickii subsp. epilis Alice Eastwood 1921-7-28 10932 Siskiyou Medicine Lake Comment
  SEINET234712 Image available Poa fibrata Louis C. Wheeler 1935-6-30 3629 Siskiyou 3 miles south of Grenada Shasta Valley 790 Comment
  HSC76674  Poa glauca subsp. rupicola K. T. Stillman 1976-7-21 281 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  CAS-BOT-BC247011  Poa nervosa Alice Eastwood 1921-7-28 10930 Siskiyou Medicine Lake Comment
  RSA115696  Poa nervosa Beecher Crampton 1956-8-22 3855 Siskiyou Panther Meadow, south slope of Mt. Shasta 2317 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
  HSC92154  Poa pratensis Jennifer Whipple 1977-7-21 2011 Siskiyou Near Durney Lake 2073 Comment
  UCD91770  Poa pringlei A. H. Murphy 1959-7-22 59 M Siskiyou Shasta National Forest. Summit between Bear Creek and Toad Lake. 2346 Comment
  SEINET10659378  Poa scabrella A. Arthur Heller 1919-6-29 Heller 13402 Siskiyou Near Wagon creek falls, east side of Mt. Eddy in swampy places, the trees Pinus Jeffreyi and P. monticola, the shrubs Salix and Alnus. Comment
  RSA184779  Poa secunda Gilbert Muth 1966-7-31 477 Siskiyou North side of Black Mountain, Marble Mountains 2058 Comment
  UCR35819  Poa secunda L. C. Wheeler 1934-8-9 3076 Siskiyou Siskiyou Mountains, head of Jaynes Canyon, Mt. Diablo Meridian 1921 Comment
  HSC30659  Poa secunda subsp. secunda Frederick W. Oettinger 1968-9-1 642 Siskiyou Salmon Mountains, at the base of Abbotts Lake. 1799 Comment
  HSC31101  Poa secunda subsp. secunda Frederick W. Oettinger, R. F. Thorne 1969-8-6 1223 Siskiyou Marble Mtn. Wilderness Area, S side of Pine Lake. 1951 Comment
  JEPS101164  Poa wheeleri Dean W. Taylor 1996-6-19 15709 Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 Comment
  UCD91758  Poa wheeleri Leo Whitney 1935-7-15 3473 Siskiyou near Bullseye Lake, 2 miles southeast of Medicine Lake. Comment
  CAS-BOT-BC244326  Podagrostis humilis John Thomas Howell 1939-8-3 15001 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  JEPS84249  Polemonium californicum L. R. Heckard with J. Hickman et al. 1986-7-17 6517 Siskiyou n slope of Condrey Mt. 1960 Comment
  RSA184627  Polemonium californicum Clare B. Hardham 1965-8-20 13035 Siskiyou Marble Mountains. Cudahy Lakes. 1524 Comment
  CHSC71309  Polemonium micranthum Vernon H. Oswald; Lowell Ahart 1998-6-11 9218 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  UC335946  Polemonium occidentale J. G. Lemmon 1889-6-26 Siskiyou Edgewood Comment
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Jun 26 2012
  HSC19295  Polemonium pulcherrimum J. O. Sawyer 1969-7-7 1077 Siskiyou S facing ridge above Big Duck Lake 2226 Comment
  LA206593  Polemonium pulcherrimum L. Ellison; 1928-11-11 516 Siskiyou Mt Shasta 2743 Comment
  POM365428  Polemonium pulcherrimum L. C. Wheeler 1934-8-9 3081 Siskiyou Head of Jaynes Canyon. Siskiyou Mts. (Mt. Diablo Mer.) 1921 Comment
  POM365429  Polemonium pulcherrimum J. P. Smith, J. O. Sawyer 1972-6-30 5643 Siskiyou Ridge west of Little Duck Lake 2378 Comment
  CAS-BOT-BC170338  Polygala cornuta var. cornuta A. A. Heller 1921-7-22 13584 Siskiyou Spring Hill near the town of Mt. Shasta 1082 Comment
  UC719803  Polygala cornuta var. cornuta Rogers McVaugh 1941-8-4 6232 Siskiyou rocky banks n Shasta Retreat; Sacramento R. Comment
  UC144332  Polygonum bistortoides E. B. Copeland 1903-4-7 3854 Siskiyou Mt. Eddy Comment
  POM104639  Polygonum bistortoides Geo. D. Butler 1910-6-5 1477 Siskiyou Shackleford Creek Comment
  JEPS50534  Polygonum davisiae Chesnut and Drew 1890-1 Siskiyou Mt. Shasta and Lassen's Peak Trip Comment
  RSA237799  Polygonum davisiae Frederick W. Oettinger 1968-8-4 396 Siskiyou Along trail north of NE Crapo Peak Ridge. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  UC168611  Polygonum davisiae J. W. Congdon 1900-8-13 Siskiyou Shasta Comment
  UCR40031  Polygonum davisiae L. P. Janeway 1983-7-31 480 Siskiyou Poker Flat 1524 Comment
  CAS-BOT-BC414600  Polygonum douglasii Elmer I. Applegate 1923-8-18 3885 Siskiyou Medicine Lake Comment
  HSC42897  Polygonum douglasii Ken Stillman 1976-8-31 457 Siskiyou E and N sides of Williams Point 366 Comment
  JEPS50578  Polygonum douglasii subsp. douglasii W. L. Jepson 1940-7-3 20118 Siskiyou about 5 mi se Bartle; Big Bear Flat 1219 Comment
  CHSC71313  Polygonum douglasii subsp. majus Vernon H. Oswald; Lowell Ahart 1998-6-11 9187 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
  UC454279  Polygonum douglasii subsp. spergulariiforme I. J. Condit July 1911 Siskiyou Dunsmuir Comment
  UC637130  Polygonum douglasii subsp. spergulariiforme Annetta Carter 1934-8-10 689 Siskiyou s bank of river between McKinney Creek and Parkhouse Creek (near Hamburg); Klamath River 609 Comment
  NY323772  Polygonum greenei E. L. Greene 1876-8-12 s.n. Siskiyou Comment
  RSA466385  Polygonum kelloggii Louis C. Wheeler 1934-6-22 2769 Siskiyou Siskiyou Mountains: Cottonwood Creek. 1006 Comment
  CAS-BOT-BC418589  Polygonum minimum J. M. Tucker; L. K. Mann 1963-8-17 3743 Siskiyou Beside trail from Red Rock Valley to top of ridge to south, and near top of ridge; Marble Mountain Wilderness Area 1889 Comment
  CAS-BOT-BC418590  Polygonum minimum Doris K. Kildale 1930-8-24 9051 a Siskiyou Rattlesnake Meadow, trail to Preston Peak 1676 Comment
  RSA0034881  Polygonum persicaria Louis C. Wheeler 1934-9-20 3286 Siskiyou Lumgrey Creek, Siskiyou Mountains. 670 Comment
  RSA237795  Polygonum phytolaccifolium Frederick W. Oettinger 1968-8-7 437 Siskiyou E side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1890 Comment
  JEPS109979  Polygonum polygaloides subsp. confertiflorum Dean W. Taylor 2005-7-13 19393 Siskiyou Dry Lake (ca 9 air miles N of Bartle on Highway 89) 1402 Comment
  UC1191244  Polygonum polygaloides subsp. confertiflorum Herbert L. Mason 1948-7-17 13595 Siskiyou Eastern Grass Lake Comment
  CAS-BOT-BC420952  Polygonum sawatchense subsp. sawatchense Marion Ownbey; S. J. Preece, Jr. 1952-6-25 s.n. Siskiyou Ridge road to Deadwood Lookout, mountains west of Yreka Comment
  UC127333  Polygonum sawatchense subsp. sawatchense H. M. Hall and E. B. Babcock June, 1903 4049 Siskiyou near Sisson; Mount Shasta 1066 Comment
  UCD100665  Polygonum sawatchense subsp. sawatchense J. M. Tucker; L. K. Mann 1963-8-17 3742 Siskiyou Beside trail from Red Rock Valley to top of ridge to the south, Marble Mountain Wilderness Area. 1859 Comment
  CAS-BOT-BC109287  Polygonum shastense William Bridge Cooke 1938-8-18 11496 Siskiyou Mount Shasta. Horse Camp Slopes. 2514 Comment
  SEINET3404053 Image available Polygonum shastense A. A. Heller 1920-8-12 13520 Siskiyou Spring above Horse Camp Comment
  UCD100901  Polygonum shastense Jack Major 1961-7-14 652 Siskiyou ridge above Mud Creek, Mount Shasta. 2316 Comment
  CAS-BOT-BC421079  Polygonum spergulariiforme Alice Eastwood 1912-8-30 2086 Siskiyou Mount Eddy Comment
  POM212874  Polygonum spergulariiforme Louis C. Wheeler 1934-9-26 3303 Siskiyou Lumgrey Creek, Siskiyou Mts 1006 Comment
  RSA120859  Polygonum spergulariiforme G. D. Barbe 1957-7-13 379 Siskiyou Big Flat Public Camp, Klamath National Forest along the path to the spring, west side of camp. Comment
  CAS-BOT-BC71836  Polypodium californicum Edward Lee 1934-8-13 1056 Siskiyou Indian Creek, 4 miles north of Happy Camp, Klamath National Forest 411 Comment
  HSC26551  Polypogon monspeliensis J. P. Smith, Steve Selva 1970-7-17 4437 Siskiyou 915 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
  RSA715631  Polypogon monspeliensis L. Ahart, John Dittes 2005-6-9 12003 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  RSA239011  Polystichum imbricans Frederick W. Oettinger 1966-7-25 37 Siskiyou Along Timber Gulch stream bank, Klamath Natinal Forest, Colville. Comment
  UC705505  Polystichum imbricans subsp. imbricans Marion Ownbey and Fred G. Meyer 1940-7-7 2209 Siskiyou sw of Yreka (Soap Ridge at top of ridge) Comment
  CAS-BOT-BC76765  Polystichum imbricans subsp. imbricans William Bridge Cooke 1938-9-2 11594 Siskiyou Mount Shasta - along the Sisson Southern Trail on a lava flow. Comment
  HSC36663  Polystichum imbricans subsp. imbricans Brent Whiteley 1975-6-21 19 Siskiyou 223 Comment
  HSC79134  Polystichum kruckebergii C. J. Thomas 1983-10-1 83 Siskiyou N side of Black Mtn. in Marble Mtn. Wilderness 1976 Comment
  CAS-BOT-BC72388  Polystichum lemmonii A. A. Heller 1914-8-28 11739 Siskiyou Mt. Eddy 2346 Comment
  JEPS95341  Polystichum lemmonii Vernon H. Oswald and Lowell Ahart 1994-7-11 6404 Siskiyou W of Dunsmuir (Gumboot Lake Rd (40N37) just off Forest Rd (to Mt Shasta)) 1777 Comment
  SBBG19474  Polystichum lemmonii L. L. Kiefer 1963-8-8 744 Siskiyou White Mtn, N of town of Horse Crk, trail from Siskiyou Summit to White Mtn 1524 Comment
  UC2026484  Polystichum lemmonii Louis C. Wheeler 1958-8-20 7411 Siskiyou Siskiyou Mountains. Red Butte, southeast side. Comment
  SD76178  Polystichum lemmonii Helen V. Witham 1969-10-6 566 Siskiyou Scott Mountains, cliffs above Kangaroo Lake Comment
  CAS-BOT-BC72399  Polystichum lonchitis Louis C. Wheeler 1934-8-6 3058 Siskiyou Rock Gulch off Jaynes Canyon, Siskiyou Mts. 1828 Comment
  CAS-BOT-BC72403  Polystichum lonchitis G. L. Stebbins 1972-7-3 9007 Siskiyou Northwest side of Red Butte, west of Cook & Green Pass 1828 Comment
  HSC79131  Polystichum lonchitis C. J. Thomas 1983-10-1 87 Siskiyou N side of Black Mtn. in Marble Mtn. Wilderness 1976 Comment
  UCD78121  Polystichum lonchitis Robert E. Preston 2001-6-23 1588 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W nw 1/4 of ne 1/4 Section 23 1950 Comment
  UC922442  Polystichum munitum Annie M. Alexander and Louise Kellogg 1948-9-15 5622 Siskiyou Canyon Creek, branch Scott River Canyon Creek 762 Comment
  CAS-BOT-BC72514  Polystichum scopulinum Louis C. Wheeler 1934-8-6 3059 Siskiyou Rock Gulch off Jaynes Canyon, Siskiyou Mts. 1828 Comment
  HSC79140  Polystichum scopulinum C. J. Thomas 1983-10-1 94 Siskiyou Box Camp Mtn. Ridge in Marble Mtn. Wilderness, 0.5 mi. from trail 2098 Comment
  RSA238001  Populus tremuloides Frederick W. Oettinger 1967-8-21 313 Siskiyou Northwest of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1878 Comment
  HSC67627  Populus trichocarpa J. P. Smith, Steve Selva 1970-7-15 4345 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  RSA184696  Potentilla glandulosa Gilbert Muth 1966-7-31 470 Siskiyou North side of Black Mountain, Marble Mountains. 1982 Comment
  SEINET3156934  Potentilla glandulosa var. nevadensis F. M. Reed 1908-7-13 2534 Siskiyou near old Loy cabin N side of Tak Quartz Valley. San Jacinto Mts. 2621 Comment
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Dec 7 2014
  UC136448  Potentilla gracilis A. A. Heller 1905-6-22 8092 Siskiyou between Igerna and Weed; between Igerna and Weed Comment
  CAS-BOT-BC540546  Potentilla gracilis var. fastigiata David D. Keck 1938-8-8 4869 Siskiyou Scott Mountain Divide, between Scott Mountain and Craggy Peak, at Trinity Co. line 1676 Comment
  UC725977  Potentilla millefolia A. A. Heller 1938-7-13 15266 Siskiyou about a mi s Bray; s of Bray 1402 Comment
  CAS-BOT-BC158531  Potentilla millefolia Frank Gould; Kay H. Beach 1940-5-16 644 Siskiyou About 24 miles north of Weed on the road to [Klammath] Klamath Falls Comment
  HSC19564  Prosartes hookeri J. O. Sawyer 1968-6-18 183 Siskiyou Above S Russian Creek on W side. 1463 Comment
  CAS-BOT-BC516386  Prosartes hookeri Doris K. Kildale 1929-8-24 9078 Siskiyou Rattlesnake Meadow, trail to Preston Peak Comment
  UC456106  Prunella vulgaris var. lanceolata I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  RSA238551  Prunella vulgaris var. lanceolata Frederick W. Oettinger 1969-8-1 1126 Siskiyou Above wiregrass meadow near English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  CAS-BOT-BC158210  Prunus emarginata L. R. Abrams 1922-8-7 9919 Siskiyou Shasta Springs Comment
  HSC27464  Prunus emarginata J. P. Smith, J. O. Sawyer 1972-5-28 5377 Siskiyou 2.4 mi. E of Trail Creek Campground on the Calahan-Cecilville Rd. 1524 Comment
  POM89362  Prunus emarginata Edward Palmer 1892-7-13 2564 Siskiyou Mount Shasta and vicinity Comment
  UC1128304  Prunus emarginata M. H. Mitchell 1936-6-8 Siskiyou Irish Bridge, Modoc Lava Beds National Monument Irish Bridge; Modoc Lava Beds National Monument, Irish Bridge 1417 Comment
  CAS-BOT-BC158199  Prunus emarginata Paul F. Covel 1939-8-13 1652 Siskiyou Lava Beds Nat. Monument, Modoc-Siskiyou Co's Comment
  CAS-BOT-BC151226  Prunus virginiana var. demissa G. J. Muth 1969-8-12 1376 Siskiyou Second Valley 2225 Comment
  HSC19191  Prunus virginiana var. demissa J. O. Sawyer 1968-7-23 607 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  LA208173  Prunus virginiana var. demissa Wm. Bridge Cooke; 1938-8-5 11443 Siskiyou Mount Shasta 1523 Comment
  UC144437  Prunus virginiana var. demissa A. A. Heller 1905-6-9 8004 Siskiyou Yreka Comment
  UC618858  Prunus virginiana var. demissa W. Bridge Cooke 1939-8-5 11443 Siskiyou Mount Shasta, MacBride Springs MacBride Springs; Mount Shasta, MacBride Springs 1524 Comment
  POM358887  Pseudognaphalium thermale Chadwick, Chadwick 1911-07 1931 Siskiyou Shasta Springs. Comment
  CHSC71343  Pseudoroegneria spicata subsp. spicata Vernon H. Oswald; Lowell Ahart 1998-6-11 9195 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  CHSC228  Pseudostellaria jamesiana M. Yoder 1941-7-12 Siskiyou Castle Lake. Comment
  UC903496  Pseudostellaria jamesiana Dorothy Parker 1948-6-14 Siskiyou Plowman's Valley Rail Creek; , Rail Creek 1203 Comment
  CAS-BOT-BC94479  Pseudostellaria jamesiana R. C. Wenk 2005-7-19 348 Siskiyou border between Siskiyou and Trinity Counties, National Forest Road 17, parking lot where Pacific Crest Trail crosses 2090 Comment
  UC618787  Pseudotsuga menziesii unknown 1938-9-2 11596 Siskiyou Sisson Southern Trail Mount Shasta, Sisson Southern Trail 1524 Comment
  UC1292079  Pteryxia terebinthina var. californica A. A. Heller 1928-6-9 14597 Siskiyou yellow pine forest on Spring Hill near Sisson Comment
  RSA97287  Pteryxia terebinthina var. californica F. W. Peirson 1923-7-19 3951 Siskiyou Whitney Creek at the foot of Mt. Shasta. Comment
  CAS-BOT-BC147896  Purshia tridentata var. tridentata Geo. D. Butler 1910-4-16 1184 Siskiyou Shasta River Comment
  CAS-BOT-BC147907  Purshia tridentata var. tridentata A. A. Heller 1916-6-23 12439 Siskiyou Near Black Butte north of Sisson 1127 Comment
  SEINET10686400  Purshia tridentata var. tridentata Karen M. Meyer, Andrew Townesmith 2007-8-2 Meyer 184 Siskiyou Shasta-Trinity National Forest. 0.1 mi. on Forest Service Rd. 43N21, 12.5 mi on Hwy. 97, east side of road. 1218 Comment
  UC1096826  Purshia tridentata var. tridentata Milo S. Baker 1957-6-15 13103 Siskiyou road cut just s Weed; North Coast Ranges Comment
  RSA120906  Purshia tridentata var. tridentata Milo S. Baker 1957-6-15 13103 Siskiyou Just south of Weed. Comment
  UCLA62308  Pycnanthemum californicum Francis Drouet and Donald Richards 1941-9-15 4223 Siskiyou canyon of the Sacramento River Dunsmuir; canyon of the Sacramento River 670 Comment
  HSC145  Pyrola aphylla William J. Ferlatte 1966-8-3 268 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's. 1524 Comment
  HSC43038  Pyrola aphylla J. O. Sawyer, Ken Stillman 1976-7-2 2811 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  CAS-BOT-BC460860  Pyrola aphylla Volney Rattan 1879-6-1 s.n. Siskiyou Klamath Comment
  UC876211  Pyrola asarifolia Alice Eastwood 1912-7-17 1175 Siskiyou Sisson Comment
  CAS-BOT-BC465508  Pyrola asarifolia Alice Eastwood 1912-7-17 1175 Siskiyou Sisson Comment
  HSC27765  Pyrola dentata J. P. Smith, J. O. Sawyer 1972-9-13 5790 Siskiyou 2 mi. W of Cook and Green Pass on the road to Lily Pad Lake Comment
  HSC44709  Pyrola dentata J. Sawyer, E. Cope 1977-6-18 2921 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 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
  SEINET8342672  Pyrola dentata Marion Ownbey, Fred G. Meyer 1940-7-8 2225 Siskiyou near summit of Siskiyou Mountain, 17 miles north of Happy Camp. Comment
  HSC19194  Pyrola picta J. O. Sawyer 1968-9-28 747 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  CAS-BOT-BC466143  Pyrola picta W. R. Dudley 1893-6-23 s.n. Siskiyou Trail from Castle Crags to Tavern near Sissons Comment
  UC166180  Pyrola picta Geo. D. Butler 1908-7-2 38 Siskiyou head Long Gulch near Yreka Comment
  SDSU9900  Pyrola secunda D. F. Howe 1969-8-30 4672 Siskiyou Blake Creek, north fork of Slamon River, about 20 miles southwest of Aetna, Siskiyou Co. 1829 Comment
  CAS-BOT-BC68646  Quercus chrysolepis Doris K. Kildale 1929-7-20 8748 Siskiyou Elk Lick, South Fork Indian Creek Comment
  CAS-BOT-BC94654  Quercus garryana W. R. Dudley 1901-8-16 s.n. Siskiyou Salmon Mountains Comment
  HSC29147  Quercus garryana var. breweri Frederick W. Oettinger 1968-8-18 574 Siskiyou Marble Mtn. Wilderness Area, NNW of Tobacco Lake and W of W cove of Hancock Lake 1921 Comment
  UC61189  Quercus kelloggii W. A. Setchell, C. C. Dobie Jul 1902 Siskiyou Sisson Tavern Mount Shasta Comment
  UC163743  Quercus sadleriana Geo. D. Butler 1908-8-4 234 Siskiyou West Fork of Woolly Creek Comment
  UCD47231  Quercus sadleriana T. H. Harris 1951-6-1 s.n. Siskiyou Happy Camp. 1371 Comment
  UCD47240  Quercus sadleriana T. Wilton 1980-9-10 126 Siskiyou Kelly Oak, Preston Peak Quad. Collected from roadside (USFS 18N34, Klamath National Forest), app. 20 feet from trail to Kelly Lake. (Received through the courtesy of Chris Cagle Oct. 16, 1980 B. Kasapligil). 1316 Comment
  UCR210398  Quercus sadleriana J. R. Shevock, David Toren 2000-9-1 20099 Siskiyou Siskiyou Mountains, Rogue River National Forest, Applegate River Drainage, along trail 959 toward Bear Gulch about 100 yards north of Cook and Green Pass off of road 1055 1433 Comment
  SEINET12029704  Quercus sadleriana S. Edwards, Roderick, W. 1983-1 105 Siskiyou E of Cook & Green Pass Comment
  CAS-BOT-BC104636  Quercus vacciniifolia David D. Keck 1938-8-8 4864 Siskiyou Scott Mts., ridge between Mill and Mule creeks, 3 mi SE of Scott Mountain Lodge 1400 Comment
  HSC19225  Quercus vacciniifolia J. O. Sawyer 1968-9-28 749 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  HSC535  Quercus vacciniifolia William J. Ferlatte 1967-8-23 1085 Siskiyou Head of Kidd Creek; E side of Black Mtn. 2134 Comment
  POM166591  Quercus vacciniifolia E. B. Copeland 1903-8-17 3930 Siskiyou Mt. Eddy. 1433 Comment
  RSA571661  Quercus vacciniifolia Louis C. Wheeler 1934-8-8 3066 Siskiyou West Fork of Beaver Creek, Siskiyou Mountains. 1677 Comment
  UC455271  Quercus vacciniifolia I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 2133 Comment
  CAS-BOT-BC186688  Ranunculus Gilbert Muth 1966-7-8 355 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  UC164980  Ranunculus aquatilis var. capillaceus Geo. D. Butler 1908-8-10 361 Siskiyou near Log Lake; Shackelford Creek Comment
  CDA3501  Ranunculus arvensis T. C. Fuller 1962-5-17 8740 a Siskiyou Behind El Rancho Motel, Yreka. 0 Comment
  UC688900  Ranunculus eschscholtzii var. suksdorfii Vesta Holt 1943-8-7 M- 1 Siskiyou Marble Mountains Comment
  HSC78182  Ranunculus orthorhynchus var. orthorhynchus L. P. Janeway 1983-7-10 404 Siskiyou Poker Flat 1524 Comment
  UC618726  Rhamnus californica unknown 1938-8-5 11436 Siskiyou MacBride Springs Road Mount Shasta Comment
  JEPS42066  Rhamnus californica Ruby Van Deventer 1938-6-26 169 Siskiyou near Windy Camp (Old Gasquet Road) 365 Comment
  CAS-BOT-BC56114  Rhamnus ilicifolia L. E. Detling 1950-6-10 6620 Siskiyou Shasta R. Canyon, nr. Dry Gulch 777 Comment
  RSA0005516  Rhamnus obtusissima E. B. Copeland 1903-8-15 3833 Siskiyou Sisson 1098 Comment
  RSA12077  Rhamnus purshiana Louis C. Wheeler 1934-10-28 3351 Siskiyou Shasta Riuver 2miles below Yreka Creek, Siskiyou Mts. Mt. Diablo Mer 823 Comment
  RSA390633  Rhamnus purshiana Louis C. Wheeler 1934-7-17 2915 Siskiyou Siskiyou Mts, Cottonwood Creek 945 Comment
  UC60946  Rhamnus purshiana Geo. B. Grant Sep 1902 5256 Siskiyou Dunsmuir Mount Shasta 609 Comment
  CAS-BOT-BC53736  Rhododendron columbianum Dorothy Parker 1959-7-20 738 Siskiyou Below Rock Fence Lake 1981 Comment
  HSC96319  Rhododendron columbianum Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 476 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  SBBG17619  Rhododendron occidentale M. A. Piehl 1956-8-14 Siskiyou Indian Crk near jade mine Comment
  SJSU6476  Rhododendron occidentale R. W. Trivelpiece 1972-6-18 122 Siskiyou Douglas Cr near Klamath R c. 10 mi SW of Happy Camp 762 Comment
  HSC36726  Rhododendron occidentale var. paludosum Brent Whiteley 1975-6-28 81 Siskiyou 915 Comment
  UC585101  Rhus trilobata E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1951 Siskiyou about 2 mi s Sheep Rock (n slope of Mt. Shasta, on hwy from Bray to Weed); Mt. Shasta 1249 Comment
  SEINET10494636  Rhus trilobata Katherine L. Morris 1973-6-2 Morris 356 Siskiyou Found at the junction of Shasta and Klamath Rivers on Hwy 263. Comment
  CAS-BOT-BC92408  Ribes aureum var. aureum L. E. Smith 1913-5-4 250 Siskiyou Hornbrook. Comment
  CAS-BOT-BC92531  Ribes binominatum Doris K. Kildale 1928-8-18 6437 Siskiyou Near head of North Fork of Salmon River near Finley's Upper Camp. 1524 Comment
  CAS-BOT-BC108783  Ribes cereum Gary Schoolcraft 1984-5-22 1174 Siskiyou North slopes of Mount Dome. 1524 Comment
  HSC69495  Ribes cereum J. O. Sawyer, J. Cole 1980-7-19 3687 Siskiyou Near FS Rd. 45N05, center of section 1890 Comment
  UC858417  Ribes cereum Frank W. Gould 1940-5-15 1254 Siskiyou on road from Mt. Hebron to Montague; Bald Mountain 1676 Comment
  RSA0024866  Ribes cereum William J. Ferlatte 1966-7-6 187 Siskiyou Caribou Basin. 1982 Comment
  SFV18029  Ribes cereum var. cereum J. A. Matos, D. C. Rudolph 1999-8-7 s. n. Siskiyou 2 miles south of Lava Beds National Monument on Lava Beds National Monument Road. 1738 Comment
  CAS-BOT-BC168866  Ribes inerme var. klamathense L. B. Kildale 1930-5-31 9819 Siskiyou Island in Klamath River near Hornbrook Comment
  CAS-BOT-BC168871  Ribes inerme var. klamathense E. Bethel 1923-6-20 1053 Siskiyou Weed Comment
  CAS-BOT-BC173299  Ribes lacustre Ira L. Wiggins 1955-7-24 13504 Siskiyou Trail crossing China Creek, above S. Fork of Salmon River, south of Mountain View Ranch (7 miles aove Cecilville) 1301 Comment
  HSC33959  Ribes lacustre J. P. Smith 1974-5-25 7444 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  RSA237680  Ribes lacustre Frederick W. Oettinger 1969-7-11 972 Siskiyou SE corner of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1936 Comment
  RSA0021108  Ribes lacustre Roxana S. Ferris, Laura Lorraine 1948-6-12 11752 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  CAS-BOT-BC173386  Ribes lobbii Alice Eastwood; John Thomas Howell 1937-6-26 5034 Siskiyou Salmon Mts. 5 miles sw. of Etna Comment
  JEPS49364  Ribes lobbii Geo. D. Butler 1908-8-5 261 Siskiyou near Cold Spring Camp; Wooly Creek 1676 Comment
  LA97625  Ribes lobbii J. M. Tucker; 1974-7-28 4324 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area, adjacent to camp 1462 Comment
  JEPS6909  Ribes marshallii W. Brookfield 1953-7-27 253 Siskiyou Marble Mountain Wilderness Area Klamath National Forest 1828 Comment
  UC165747  Ribes marshallii Geo. D. Butler 1908-5-4 257 Siskiyou Head of Shackleford Creek Comment
  HSC671  Ribes nevadense William J. Ferlatte 1967-7-9 688 Siskiyou Kidd Creek Trail 1860 Comment
  HSC98216  Ribes nevadense J. O. Sawyer 1969-7-11 1339 Siskiyou S Sugar Creek 1829 Comment
  CHSC1664  Ribes roezlii M. Yoder 1941-6-28 Siskiyou Castle Lake. 1981 Comment
  HSC67806  Ribes roezlii J. O. Sawyer, J. Cole 1980-7-22 3971 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  UC1540023  Ribes roezlii Roseberry 1936-5-11 15 Siskiyou w slope Hippo Butte; Lava Beds National Monument 1630 Comment
  UC857963  Ribes roezlii A. A. Heller 1915-7-15 11970 Siskiyou Mt. Eddy 2072 Comment
  CDA25569  Ribes roezlii F. D. Horn 1977-4-21 Siskiyou Van Horn Creek, McAdams Creek Road, Fort Jones. 0 Comment
  CAS-BOT-BC199992  Ribes roezlii var. cruentum L. E. Smith 1913-4-14 628 Siskiyou Yreka Comment
  CAS-BOT-BC199998  Ribes roezlii var. cruentum W. R. Dudley 1899-8-9 s.n. Siskiyou Eastern Base of Black Butte Comment
  CAS-BOT-BC200006  Ribes roezlii var. cruentum B. Bartholomew; B. Anderson 1988-5-12 4081 Siskiyou 4 km E of Hambone Butte between Hambone Butte and the N end of White Horse Mountains on Old Two Camp Road 1140 Comment
  RSA0024601  Ribes roezlii var. cruentum Geo. D. Butler 1910-4-21 1211 Siskiyou Oro Fino. Comment
  CAS-BOT-BC186288  Ribes roezlii var. roezlii A. A. Heller 1915-7-15 12078 Siskiyou Mt. Eddy 2072 Comment
  CAS-BOT-BC144509  Ribes sanguineum var. sanguineum Annetta Carter 1934-8-13 707 Siskiyou watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest 1463 Comment
  UC54302  Ribes velutinum H. M. Hall and E. B. Babcock June, 1903 4102 Siskiyou Shasta Valley Sierra Nevada Mountains, Mount Shasta 914 Comment
  RSA0020885  Ribes velutinum Geo. D. Butler 1910-5-21 1374 Siskiyou Klamath River Comment
  CAS-BOT-BC168802  Ribes viscosissimum W. R. Dudley 1901-8-8 s.n. Siskiyou Jackson Lake, southern Siskiyou County Comment
  HSC44981  Ribes viscosissimum J. O. Sawyer 1978-6-21 3284 Siskiyou Marble Mtn. Wilderness Area, along trail N of Clear Lake 1951 Comment
  HSC69001  Ribes viscosissimum Maralyn A. Renner 1980-7-28 2197 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  SEINET13942855 Image available Ribes viscosissimum W. M. Bridge Cooke 1941-1 16047 Siskiyou along the Sisson Southern Trail in creeks and fir woods, Mt. Shasta elev 5500 Comment
  OBI70868  Romanzoffia sitchensis Louis C. Wheerl 1963-8-31 8321 Siskiyou Siskiyou Mts. Devil's Punch Bowl 1524 Comment
  RSA29463  Rorippa columbiae J. William Thompson 1936-7-8 13148 Siskiyou Lava slopes of Lava Beds Nat l Monument. Comment
  HSC74818  Rorippa curvisiliqua J. P. Smith, J. O. Sawyer 1978-7-3 9998 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  JEPS53821  Rorippa curvisiliqua Geo. D. Butler 1908-8-9 131 Siskiyou Marble Mountain Valley 1676 Comment
  UC1871388  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
  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-BC147463  Rosa californica L. B. Kildale 1930-5-31 9816 Siskiyou Island in Klamath River near Hornbrook Comment
  RSA0005646  Rosa copelandii E. B. Copeland 1903-9-8 3875 Siskiyou Mt. Eddy. 1463 Comment
  POM88595  Rosa eglanteria Geo. D. Butler 1910-7-31 1802 Siskiyou Near Yreka Comment
  CAS-BOT-BC146737  Rosa gymnocarpa Gilbert Muth 1966-7-29 466 Siskiyou Marble Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC146743  Rosa gymnocarpa Alice Eastwood 1912-7-23 1321 Siskiyou Dunsmuir Comment
  CAS-BOT-BC146754  Rosa gymnocarpa H. A. Thomas; J. H. Thomas 1954-7-27 4551 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. South side of South Fork of Salmon River in vicinity of Blind Horse Creek and area 1 mile to SE 975 Comment
  CAS-BOT-BC146755  Rosa gymnocarpa Annie M. Alexander; Louise Kellogg 1948-9-7 5593 Siskiyou On road between first and second forks to Lookouts; Black Bear Summit Comment
  RSA237812  Rosa gymnocarpa Frederick W. Oettinger 1969-9-4 1640 Siskiyou NW side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1951 Comment
  RSA50227  Rosa gymnocarpa E. K. Balls 1949-7-9 13934 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. 1006 Comment
  POM365833  Rosa gymnocarpa M. B. Dunkle 1944-6-25 9028 Siskiyou Siskiyou National Forest. 1677 Comment
  CDA38670  Rosa multiflora Larry Livesay 2013-4-23 PDR# 470 P06027592 Siskiyou East of Montague; on the west side of Lichens Rd., 0.25 miles north of Ball Mountain Road. Comment
  RSA237810  Rosa pisocarpa Frederick W. Oettinger 1969-8-16 1408 Siskiyou Old wiregrass meadow on English Lake Trail. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  JEPS45695  Rosa pisocarpa subsp. pisocarpa W. L. Jepson July 1894 13894 Siskiyou Sisson Comment
  CAS-BOT-BC148192  Rosa rubiginosa Carl B. Wolf 1927-8-26 1007 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  HSC43137  Rosa rubiginosa Ken Stillman 1976-8-24 414 Siskiyou E and N slopes of Williams Point 366 Comment
  CAS-BOT-BC147137  Rubus glaucifolius Ira L. Wiggins 1955-7-24 13494 Siskiyou Ridge betw. upper reaches of China & Blind Horse Creeks 1645 Comment
  SBBG27224  Rubus glaucifolius L. C. Wheeler 1934-8-31 3233 Siskiyou Bear Crk off W fork Beaver Crk 1767 Comment
  HSC70622  Rubus laciniatus J. M. DiTomaso 1980-8-26 1920 Siskiyou Shasta Springs, 1 mi. along railroad track, N end of Scarlet Way, 4 mi. N of Dunsmir, W side of Sacramento River Comment
  HSC99690  Rubus lasiococcus G. L. Clifton 1979-7-1 6177 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  CAS-BOT-BC147979  Rubus leucodermis Wm. Bridge Cooke 1939-7-14 13698 Siskiyou Along the Sisson Southern Trail - Mount Shasta 1981 Comment
  HSC36754  Rubus leucodermis Brent Whitely 1975-6-23 41 Siskiyou 223 Comment
  CAS-BOT-BC147319  Rubus parviflorus G. P. Rixford s.n. Siskiyou Hilt Comment
  CAS-BOT-BC157163  Rubus ursinus Alice Eastwood 1917-9-2 6688 Siskiyou Shasta Springs Comment
  SJSU2579  Rudbeckia klamathensis H. L. Buckalew 1962-7-12 Siskiyou near Poker Flat c. 2 mi W of Junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts 1143 Comment
  CHSC91779  Rumex acetosella G. F. Hrusa 2001-6-6 15845 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: 10S, 4649821 N, 0456023 E. 1424 Comment
  RSA239772  Rumex acetosella Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1085 Siskiyou Pitkin Jones Tree Farm, on Vine Hill Road, 1.4 miles N of jct with Guerneyville road W of Santa Rosa Comment
  CAS-BOT-BC433404  Rumex crispus H. E. Brown 1897-6-1 379 Siskiyou Near Sisson 1082 Comment
  CAS-BOT-BC433405  Rumex crispus Doris K. Kildale 1928-7-25 5903 Siskiyou Klamath River - Mack's Creek near Hamburg 457 Comment
  HSC17613  Rumex triangulivalvis R. C. Wunner 1965-6-22 264 Siskiyou Lava Beds NM, 1 mi. NW of Stronghold 1220 Comment
  HSC28671  Salix eastwoodiae Frederick W. Oettinger 1968-9-3 689 Siskiyou Marble Mtn. Wilderness Area, near Horse's Hole, Horse Range Lake Basin 1829 Comment
  HSC28672  Salix eastwoodiae Frederick W. Oettinger 1968-9-3 690 Siskiyou Marble Mtn. Wilderness Area, near Horse's Hole, Horse Range Lake Basin 1829 Comment
  POM123883  Salix exigua L. R. Abrams 1922-8-7 9903 Siskiyou Klamath River. 6 miles below Harnbrook. Comment
  SEINET4471748 Image available Salix laevigata var. angustifolia E. L. Greene 1876-1 795 Siskiyou Yreka Comment
  RSA0034683  Salix lasiandra H. P. Bracelin 1931-6-19 423 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City. 1350 Comment
  UCSB10874  Salix lasiandra Bracelin, H. 1931-6-21 Siskiyou North base of Mount Eddy, about 13 km northwest of Shasta City; Flat beside creek, at bridge, about 1.3km east of Burny Mill 1110 Comment
  CAS-BOT-BC125459  Salix lasiandra var. lasiandra C. Hart Merriam 1907-9-26 s.n. Siskiyou Klamath Hot Springs, Shovel Creek Comment
  CAS-BOT-BC107064  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 412 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1425 Comment
  CAS-BOT-BC107065  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 409 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1425 Comment
  CAS-BOT-BC107077  Salix lasiolepis s.n. Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  SBBG29073  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou N side of Mount Eddy, ca. 21 km NW of Shasta City, 300 km below Dobkin's Lake 1650 Comment
  UC375233  Salix lasiolepis Geo. D. Butler 1909-9-20 1083 Siskiyou along creek near Yreka Comment
  UC482338  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-20 434 Siskiyou about 10 km nw Shasta City (beside road, e of Metcalf ranch house, n base of mt.); Mt. Eddy 1080 Comment
  CAS-BOT-BC128350  Salix lasiolepis var. lasiolepis L. E. Smith 1913-3-1 s.n. Siskiyou Mt. Eddy Comment
  CAS-BOT-BC124893  Salix lemmonii A. A. Heller 13705 Siskiyou On the shore of Medicine Lake 2133 Comment
  CAS-BOT-BC124900  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou North side of Mount Eddy, about 21 km. northwest of Shasta City; 180 m. below Dobkin's Lake 1770 Comment
  SBBG29077  Salix lemmonii Mrs. H. P. Bracelin 1931-6-19 415 Siskiyou ca. 16 km NW of Shasta City, on edge of stream above Metcalf ranch house; NE side of Mount Eddy 1455 Comment
  CAS-BOT-BC125692  Salix melanopsis W. R. Dudley 1907-8-23 s.n. Siskiyou South Fork Salmon by crossing of trail to 4 mile camp Comment
  CAS-BOT-BC125933  Salix prolixa W. R. Dudley 1899-8-15 s.n. Siskiyou [Glazier] Glacier/Glaser along McCloud Comment
  CAS-BOT-BC126164  Salix scouleriana Mrs. H. P. Bracelin 1931-6-21 472 Siskiyou North base of Mount Eddy, about 13 km. northwest of Shasta City; at bridge, about 1.3 km. east of Burney Mill 1110 Comment
  CAS-BOT-BC126165  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 442 Siskiyou East side of Mount Eddy, about 17 km. northwest of Shasta City; in Wagon Creek Canyon, about 1 km. up from Metcalf ranch house 1170 Comment
  POM107277  Salix scouleriana Geo. D. Butler 1910-4-3 1155 Siskiyou Humbug Mtn Comment
  RSA238270  Salix scouleriana Frederick W. Oettinger 1969-7-29 1093 Siskiyou Margin of Dry Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1845 Comment
  RSA238272  Salix scouleriana Frederick W. Oettinger 1969-8-1 1135 Siskiyou Above wiregrass meadow, English Lake basin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1707 Comment
  UC1135100  Salix scouleriana H. A. Jensen 1933-10-25 366 Siskiyou s. of Signal Butte (Mt. Shasta-McCloud Rd.); Shasta Nat'l Forest, Dunsmuir Quad. Comment
  UC481715  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou ca. 17 km. n.w. Shasta City (above stream in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house, e. side of Mt. Eddy); Mt. Eddy Comment
  UC482264  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 442 Siskiyou ca. 17 km. n.w. Shasta City (above stream in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house, e. side of Mt. Eddy); Mt. Eddy Comment
  CAS-BOT-BC129043  Salix scouleriana W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox Mountains Comment
  JEPS62712  Salvia dorrii var. incana Geo. D. Butler 1908-7-16 177 Siskiyou near Anderson Ferry, Klamath River; Klamath River Comment
  UC1037474  Sambucus mexicana Douglas Barbe 1955-7-5 96 Siskiyou 5.7 mi s Etna (on French Creek Road); Klamath Mountains 883 Comment
  RSA477605  Sambucus microbotrys Chadwick, Mrs Chadwick 1911-07 1931 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC238892  Sambucus nigra subsp. caerulea Wm. Bridge Cooke 1939-6-30 13566 Siskiyou Mount Shasta. Grows near the outlet of MacBride Springs Comment
  HSC31888  Sambucus nigra subsp. caerulea Steve Selva, Roger Jensen 1974-8-26 61 Siskiyou Along Rd. 8 to Sugar Creek trail, ca. 2 mi. from Hwy. 3 Comment
  CAS-BOT-BC223228  Sanicula bipinnatifida H. A. Thomas; J. H. Thomas 1954-7-21 4403 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1158 Comment
  UC165381  Sanicula graveolens Geo. D. Butler 1908-8-4 54 Siskiyou head of Shackleford Creek Shackleford Creek Comment
  UC735126  Sanicula graveolens Lincoln Constance and Ren Hwa Shan 1946-5-31 3059 Siskiyou Sacramento River, at Dunsmuir Dunsmuir; Sacramento River, Dunsmuir 701 Comment
  POM77780  Sanicula graveolens Geo. D. Butler 1910-5-1 1258 Siskiyou Humbug Mountain 1220 Comment
  UC909335  Sanicula tuberosa Ira L. Wiggins 1950-5-28 12381 Siskiyou just above Grouse Lake (headwaters of Grouse Creek); headwaters of Grouse Creek 1737 Comment
  SEINET2140099  Santalaceae R. L. Mathiasen 2007-1 2007 -36 Siskiyou At jct. of Greyback Rd. and rd. to Kelly Lake. 1345 Comment
  UCR28722  Saponaria officinalis John C. Roos 1948-9-2 4019 Siskiyou Hills just north of Shasta City. Comment
  CHSC81485  Sarcobatus vermiculatus Ann Willyard 2000-6-21 417 Siskiyou On private ranch ca. 3 air mi n Lake Shastina, ca. 3 air mi e Interstate 5; ca. 1 air mi w Hole-in-the-Ground-Springs. UTM: 10 547700 E 4602900 N. 792 Comment
  RSA210860  Sarcobatus vermiculatus James Henrickson, C. Tilforth 1969-9-3 39040 Siskiyou 2 mi W of Lower Kalmath National Wildlife refuge 1296 Comment
  CAS-BOT-BC466231  Sarcodes sanguinea Doris K. Kildale 1929-7-20 8644 Siskiyou Trail up South Fork of Indian Creek to Elk Lick Comment
  JEPS74528  Saxifraga aprica W. J. Ferlatte 1966-6-22 73 Siskiyou Josephine Lake Basin; Trinity Alps, Josephine Lake Basin 1676 Comment
  UC1299672  Saxifraga aprica Freed W. Hoffman 1950-7-13 3647 Siskiyou Baldy Mountain Comment
  CAS-BOT-BC436883  Saxifraga bronchialis subsp. austromontana Gilbert Muth 1966-7-31 468 Siskiyou North side of Black Mountain, Marble Mts. 1981 Comment
  RSA237246  Saxifraga mertensiana Frederick W. Oettinger 1967-7-8 161 Siskiyou Above the western end of Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1887 Comment
  HSC29407  Saxifragopsis fragarioides Frederick W. Oettinger 1968-8-5 403 Siskiyou Marble Mtn. Wilderness Area, between English Peak and Diamond Lake 2073 Comment
  JEPS47486  Saxifragopsis fragarioides Geo. D. Butler 1909-7-15 897 Siskiyou 3 mi ene Finley's Camp (Highland Mine); Salmon Mts. 1706 Comment
  UCSB23748  Schoenoplectus acutus var. occidentalis Breedlove, Dennis 1962-6-10 Siskiyou On the north bank of Klamth River; at its junction with Goff Creek; 4.5 miles west of Seiad 411 Comment
  HSC74816  Schoenoplectus tabernaemontani J. P. Smith 1978-7-1 9996 Siskiyou Klamath National Forest, O'Neill Creek Campground, Klamath River 488 Comment
  CAS-BOT-BC111220  Scirpus M. A. Berry 1957-7-4 s.n. Siskiyou Carter Meadow at junction of Long Gulch and Trail Gulch on South fork of Salmon River. 1524 Comment
  CAS-BOT-BC111094  Scirpus microcarpus Alice Eastwood 1912-7-21 1289 Siskiyou Sisson Comment
  CAS-BOT-BC111095  Scirpus microcarpus C. F. Baker 1903-8-14 3722 Siskiyou Sisson Comment
  UC1265450  Scirpus microcarpus Frederick W. Oettinger 1969-7-31 1121 Siskiyou on inlet stream Upper English Lake (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, Western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 1767 Comment
  HSC86426  Scirpus microcarpus D. K. Imper 1987-7-22 Siskiyou 8 mi. E of Somes Bar, Marble Mtn. Wilderness Area, near Jawbone Camp 1372 Comment
  CAS-BOT-BC5855  Scorzonella pratensis Edward Lee Greene 1876-6-23 883 Siskiyou Yreka Comment
  RSA17980  Scutellaria antirrhinoides Carl B. Wolf 1927-8-26 996 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  CDA16164  Secale cereale G. F. Hrusa 1998-5-25 14470 Siskiyou Klamath Ranges; +- 1 mi S of Weed, on frontage Rd. along I-5. Common between road & fence, possibly planted. 0 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
  JEPS98769  Sedum laxum subsp. flavidum Dean W. Taylor 1996-6-18 15702 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 Comment
  CAS-BOT-BC278105  Sedum oblanceolatum Peter F. Zika 2011-7-19 25650 Siskiyou Near Pacific Crest Trail, 1 air mile WNW of Copper Butte, Siskiyou Mountains, Klamath Range (KR) 1610 Comment
  HSC50569  Sedum obtusatum subsp. retusum G. L. Clifton, Griswold 1979-7-26 10145 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2105 Comment
  POM229949  Sedum oregonense L. C. Wheeler 1934-8-15 3156 Siskiyou E Fork Horse Creek, Siskiyou Mts. Mt. Diablo Mer. 1220 Comment
  RSA0083647  Sedum oregonense Frederick W. Oettinger 1968-9-7 770 Siskiyou NW-facing slope of Golden Peak, due SE of Tobacco Lake and at approx. mid slope. 2012 Comment
  RSA0083649  Sedum oregonense Frederick W. Oettinger 1968-8-5 413 Siskiyou On NE-facing slope S of and above Charmaine Lake. 1950 Comment
  UC144331  Sedum spathulifolium A. A. Heller 1905-6-1 7932 Siskiyou between Dunsmuir and Upper Soda Spring; between Dunsmuir and Upper Soda Spring Comment
  UC667084  Sedum spathulifolium Joseph P. Tracy 1939-4-29 16271 Siskiyou Somes Bar Somes Bar (rock bluff in shade) 182 Comment
  SEINET8552455  Sedum spathulifolium A. A. Heller 1905-6-1 7932 Siskiyou Between Dunsmuir and Upper Soda Spring. Comment
  UC1015300  Sedum spathulifolium C. R. Bell 1951-4-21 1107 Siskiyou 10 mi w Happy Camp; 10 mi w of Happy Camp Comment
  CAS-BOT-BC278104  Sedum stenopetalum subsp. stenopetalum Peter F. Zika 2011-7-19 25648 Siskiyou Near Pacific Crest Trail, 1 air mile WNW of Copper Butte, Siskiyou Mountains, Klamath Range (KR) 1610 Comment
  RSA641070  Selaginella densa var. scopulorum Louis Cutter Wheeler 1963-8-31 8314 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1432 Comment
  HSC69260  Senecio aronicoides J. O. Sawyer`, J. Cole 1980-7-20 3744 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  JEPS82674  Senecio aronicoides Wayne Roderick 1984-6-5 Siskiyou ca 12 air km sw Mt. Shasta city (below Castle Lake) 1676 Comment
  HSC67813  Senecio aronicoides J. O. Sawyer, J. Cole 1980-7-21 3820 Siskiyou NW of Little Mt. Hoffman 1982 Comment
  CDA8599  Senecio canus T. C. Fuller 1977-6-14 20211 Siskiyou North of Highway 97, 3 km southwest of Deer Mountain Lodge. 0 Comment
  UC165416  Senecio hydrophiloides Geo. D. Butler 1909-6-22 956 Siskiyou foothills of Goosenest Mountain Goosenest Mountain Comment
  CAS-BOT-BC363936  Senecio integerrimus var. exaltatus Geo. D. Butler 1910-5-10 1332 Siskiyou Goosenest foothills 1524 Comment
  CAS-BOT-BC364043  Senecio integerrimus var. major Harley P. Chandler 1901-6-1 1274 Siskiyou North Coast Ranges. Hupa Indian Reservation 1036 Comment
  HSC77018  Senecio integerrimus var. major K. T. Stillman 1976-6-25 39 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  UC163860  Senecio integerrimus var. major Geo. D. Butler 1910-6-5 1526 Siskiyou Log Lake Comment
  CAS-BOT-BC364432  Senecio triangularis Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  POM5594  Senecio triangularis E. B. Copeland 1903-8-19 16278 Siskiyou Mt. Eddy. 1463 Comment
  RSA183732  Senecio triangularis Gilbert Muth 1965-8-2 142 Siskiyou Meadow at Marble Valley. Marble Mountains. Comment
  UC832210  Sericocarpus oregonensis subsp. oregonensis Alice Eastwood 1912-8-28 1941 Siskiyou Cantara Comment
  HSC39742  Sherardia arvensis J. O. Sawyer 1970-4-4 2093 Siskiyou Along Sugar Creek 823 Comment
  POM210952  Sibbaldia procumbens Louis C. Wheeler 1934-8-2 3018 Siskiyou Alex Hole. Alex Canyon. Siskiyou Mtns. 1890 Comment
  CAS-BOT-BC213139  Sidalcea Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  HSC73257  Sidalcea malviflora M. A. Baker 1980-6-20 2186 Siskiyou Near Bald Mtn. 1036 Comment
  HSC60831  Sidalcea malviflora Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC46145  Sidalcea malviflora subsp. nana J. P. Smith, Steve Selva 1970-7-15 4356 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  SD98921  Silene douglasii Darley F. Howe 1977-7-5 Siskiyou Area north of Mt. Shasta. 1460 Comment
  UC465700  Silene douglasii Milo S. Baker Aug. 1897 135 Siskiyou Payne's Springs 1981 Comment
  CAS-BOT-BC388950  Silene grayi A. A. Heller 1915-7-16 12094 Siskiyou North side of Mt. Eddy 1524 Comment
  UC1602154  Silene grayi Wm. M. Canby in company with Profs. C. S. Sargent and John Muir 1897-9-7 20 Siskiyou Mt. Shasta 2438 Comment
  UCD98595  Silene grayi R. Tofsrud; J. M. Tucker 1948-8-2 1764 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2407 Comment
  UCD98589  Silene grayi Mary Ann Showers 1980-8-28 2059 Siskiyou to the north of Red Butte on the lower slopes of Mt. Shasta, Shasta Trinity National Forest. 2316 Comment
  CAS-BOT-BC389436  Silene lemmonii J. H. Thomas 1954-5-14 4178 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, Southwestern Siskiyou County 1219 Comment
  POM151411  Silene noctiflora G. R s.n. Siskiyou Auf Aeckern bei Dresden Comment
  HSC36814  Sisymbrium officinale J. P. Smith 1974-5-27 7620 Siskiyou Along FS Rd. 47N03 1280 Comment
  UC1025073  Sisyrinchium idahoense Leo Whitney 1934-6-11 1587 Siskiyou near Tennant; Antelope Creek 1463 Comment
  RSA624397  Smilax californica Louis C. Wheeler 1952-9-20 6948 Siskiyou Scott Valley: . . Comment
  CAS-BOT-BC385863  Solidago canadensis D. H. Norris 1968-7-29 2213 Siskiyou Along trail from Big Flat to Yellow Rose Mine 1828 Comment
  CDA8727  Solidago canadensis subsp. elongata T. C. Fuller 1960-7-25 4868 Siskiyou North limits of Mt. Shasta City. 0 Comment
  POM211817  Solidago canadensis subsp. elongata L. C. Wheeler 1934-9-2 3240 Siskiyou Miller Glade, Siskiyou Mountains. 1829 Comment
  CAS-BOT-BC365572  Solidago elongata G. B. Grant 1902-9-11 s.n. Siskiyou Sisson Comment
  UC88188  Solidago spectabilis K. Curran Jul 1887 Siskiyou Sisson's Comment
  UC163917  Solidago velutina subsp. californica Geo. D. Butler 1910-7-30 1800 Siskiyou Yreka Creek Comment
  UC36211  Solidago velutina subsp. californica State Survey c. 1889 Siskiyou Shasta Region Comment
  RSA237839  Sorbus californica Frederick W. Oettinger 1968-9-8 789 Siskiyou Outlet of English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1799 Comment
  UC1222305  Sorbus scopulina Joseph P. Tracy 19478 Siskiyou summit of the Siskiyous (at crossing of Takilma-Happy Camp Road; 3 mi s of state line) 1463 Comment
  JEPS96999  Sorbus scopulina var. cascadensis Dean W. Taylor 1999-8-12 17299 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley), creek crossing on logging road 1341 Comment
  RSA237842  Sorbus scopulina var. cascadensis Frederick W. Oettinger 1969-8-25 1556 Siskiyou Little North Fork stream along new trail from end of logging road to Devils Canyon trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1220 Comment
  HSC19121  Spiraea douglasii J. O. Sawyer 1969-7-9 1066 Siskiyou NE shore of Little Duck Lake 2043 Comment
  JEPS45017  Spiraea douglasii Geo. D. Butler 1908-8-2 284 Siskiyou Log Lake; Shackleford Creek 1524 Comment
  SBBG15620  Spiraea douglasii D. Myrick 1961-6-20 275 Siskiyou near Mt Shasta City 1066 Comment
  CAS-BOT-BC152552  Spiraea splendens A. A. Heller 1916-7-22 12484 Siskiyou East side of Mt. Eddy 1676 Comment
  HSC68439  Spiraea splendens var. splendens Maralyn A. Renner 1980-7-4 1390 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  JEPS74519  Stachys ajugoides var. rigida W. J. Ferlatte 1966-8-3 288 Siskiyou Josephine Lake Trinity Alps, Josephine Lake Basin 1676 Comment
  UC1124942  Stachys ajugoides var. rigida L. Whitney 1934-6-23 5 Siskiyou Tennant Dorris Quadrangle, Antelope Creek 1463 Comment
  UCR47858  Stachys stricta Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  CAS-BOT-BC181418  Stellaria calycantha Wm. Bridge Cooke 1939-8-8 13820 Siskiyou Frequent in the border of the wet area around the upper spring along the Summit Trail above Horse Camp - Mount Shasta 2514 Comment
  HSC77793  Stellaria crispa L. P. Janeway 1983-9-11 654 Siskiyou Poker Flat 1524 Comment
  CHSC99976  Stenanthium occidentale L. P. Janeway 2008-7-25 9493 Siskiyou Klamath Ranges. Siskiyou Mountains; at Horsetail Falls, along Road 48N20, along upper eastern fork of East Fork Seiad Creek. 1237 Comment
  UCR131615  Stenanthium occidentale L. C. Wheeler 1934-8-17 3181 Siskiyou Siskiyou Mtns., north side of White Mtn 1829 Comment
  HSC19124  Stephanomeria lactucina J. O. Sawyer 1969-8-4 1796 Siskiyou Along C.C.C. road 1341 Comment
  HSC19122  Stipa occidentalis var. californica J. O. Sawyer 1969-8-4 1842 Siskiyou Above Sugar Lake 2134 Comment
  HSC67808  Stipa occidentalis var. californica J. O. Sawyer, J. Cole 1980-7-22 3948 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  HSC61  Stipa occidentalis var. occidentalis William J. Ferlatte 1966-6-23 136 Siskiyou Along the Yellow Rose Mine Trail. 1677 Comment
  SDSU714  Stipa thurberiana D. F. Howe 1977-7-5 4996 Siskiyou 15 miles SE of Granada 1219 Comment
  CAS-BOT-BC87838  Streptanthus tortuosus Alice Eastwood 1912-7-19 1241 Siskiyou Mount Shasta. Comment
  CAS-BOT-BC87874  Streptanthus tortuosus Donald Myrick 1961-6-20 273 Siskiyou Near Mount Shasta City. 1066 Comment
  UC1492822  Streptanthus tortuosus Freed W. Hoffman 1950-7-13 3383 Siskiyou on road to Indian Creek 0.4 mi from Baldy Lookout (w Siskiyou Co.) Comment
  CHSC66539  Streptanthus tortuosus var. orbiculatus Vernon H. Oswald 1996-7-12 8007 Siskiyou High Cascade Range. Everitt Memorial Hwy. (A10) on Mt. Shasta 0.1 mi W of the road to Sand Flat (between mileposts 9 and 10). Roadside. 2042 Comment
  UC1334017  Streptanthus tortuosus var. tortuosus Dorothy Parker 1949-7-10 343 Siskiyou 2 mi from summit of Salmon Mountain; Siskiyou Mountains 1828 Comment
  HSC69714  Streptopus amplexifolius Maralyn A. Renner 1980-7-15 1770 Siskiyou English Lake inlet 1780 Comment
  UCSB24734  Streptopus amplexifolius Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp 1402 Comment
  RSA183493  Streptopus amplexifolius J. M. Tucker 1963-8-19 3771 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area. 1951 Comment
  POM312357  Suaeda calceoliformis Verne Grant, Irving Schneider, Grant 1947-8-26 8300 Siskiyou Interstate Highway, Lower Klamath Lake Comment
  UC1190180  Suksdorfia ranunculifolia Ira L. Wiggins 1955-7-27 13546 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC61795  Swertia albicaulis var. nitida Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC269623  Symphoricarpos albus var. laevigatus Alice Eastwood 1917-9-2 6702 Siskiyou Shasta Springs Comment
  HSC18881  Symphoricarpos mollis J. O. Sawyer 1968-9-13 722 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  HSC18884  Symphoricarpos mollis J. O. Sawyer 1968-9-28 739 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  HSC77248  Symphoricarpos mollis L. P. Janeway 1983-7-18 432 Siskiyou Near Rd. 19N07, ca. 6 mi. from Indian Creek Rd. 1220 Comment
  HSC91430  Symphoricarpos rotundifolius var. rotundifolius Jennifer Whipple 1976-7-13 1458 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River. 2256 Comment
  UC165279  Symphyotrichum bracteolatum Geo. D. Butler 1908-8-12 292 Siskiyou near Oro Fino Comment
  HSC61494  Symphyotrichum foliaceum Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  UC166578  Symphyotrichum spathulatum Geo. D. Butler 1908-8-10 294 Siskiyou near Bottoms' Camp (Shackelford Creek); Shackelford Creek Comment
  HSC75352  Symphyotrichum spathulatum var. spathulatum J. O. Sawyer, M. Mesler 1980-8-10 4036 Siskiyou S of Carmen Lake, ultramafics of Scott Mtn. 1829 Comment
  CAS-BOT-BC85243  Taxus brevifolia Doris K. Kildale 1929-7-20 8669 Siskiyou Raspberry Lake, near east spur Preston Peak Comment
  UCSB16646  Tellima grandiflora Breedlove, Dennis 1962-6-11 Siskiyou about 20 miles west of Fort Jones, Marble Mountains 914 Comment
  CAS-BOT-BC88116  Thelypodium laciniatum Frank W. Peirson 1923-7-19 3734 Siskiyou Laird's Landing. Comment
  CHSC110166  Thinopyrum intermedium subsp. barbulatum R. E. Brainerd 2010-8-5 1732 Siskiyou 774 Comment
  CHSC63390  Thlaspi montanum var. montanum Vernon H. Oswald; Lowell Ahart 1994-7-11 6403 Siskiyou Forest Rd. 26 (to Mt. Shasta) at Gumboot Creek, ca. 0.5 mi NE of Gumboot Lake, W of Dunsmuir. On a roadside bank near the creek. 1783 Comment
  CHSC91613  Thlaspi montanum var. montanum G. Douglas Barbe; T. C. Fuller, J. T. Howell 1980-4-29 2653 Siskiyou Klamath Ranges. Schoolhouse Hill, summit of Gazelle-Callahan Road, 7 miles (11.3 km) east of Callahan. 1173 Comment
  CAS-BOT-BC66799  Thysanocarpus curvipes A. A. Heller 1905-6-1 7931 Siskiyou Between Dunsmuir and Upper Soda Spring. 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
  JEPS9889  Tonella tenella Geo. D. Butler 1909-4-18 626 Siskiyou near Yreka Comment
  OBI8730  Torilis arvensis Tracey & Viola Call, Viola Call 1964-6-22 2277 Siskiyou Near Klamath River 1/4 mi E of mouth of Beaver crk 488 Comment
  SJSU6478  Toxicoscordion paniculatum R. W. Trivelpiece 1972-6-9 92 Siskiyou c. 4 mi E of Grass Lake 1524 Comment
  UC133248  Tragopogon porrifolius Copeland 1903-8-14 3886 Siskiyou Sisson Comment
  UCR110591  Trautvetteria caroliniensis var. occidentalis L. C. Wheeler 1963-8-28 8289 Siskiyou Siskiyou Mtns., Clear Creek c. 1 mile below West Fork 640 Comment
  CAS-BOT-BC376177  Triantha occidentalis subsp. occidentalis Andrew Townesmith; Karen M. Meyer 2007-8-1 882 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway) 1983 Comment
  JEPS63105  Trichostema lanceolatum Geo. D. Butler 1908-8-2 511 Siskiyou Greenview Comment
  RSA460864  Trientalis latifolia M. B. Dunkle 1944-6-25 90001 Siskiyou Siskiyou National Forest. 1677 Comment
  POM208365  Trifolium eriocephalum subsp. eriocephalum Louis C. Wheeler 2677 Siskiyou North Hungry Creek 1311 Comment
  UCD107924  Trifolium eriocephalum subsp. eriocephalum Ed. Hale 1984-5-8 s.n. Siskiyou East end of Deer Meadow Road, approximately 1 mile W of R. Diaz property on Shamrock Road, South of Yreka. Comment
  UC1191487  Trifolium eriocephalum var. eriocephalum Herbert L. Mason 1948-7-17 13601 Siskiyou Eastern Grass Lake Comment
  JEPS80509  Trifolium howellii Gilbert Muth 1966-7-24 445 Siskiyou Marble Mtn Wilderness area Marble Valley 1792 Comment
  RSA261447  Trifolium howellii J. M. Tucker, D. V. Hemphill 1974-7-27 4299 Siskiyou Near Haypress Creek, Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  UC637129  Trifolium hybridum Edward Lee 1934-8-10 1016 Siskiyou near Hamburg (s bank of Klamath River betw Mckinney and Parkhouse Creeks) 609 Comment
  HSC75351  Trifolium longipes J. O. Sawyer, M. Mesler 1980-8-10 4033 Siskiyou S of Carmen Lake, ultramafics of Scott Mtn. 1829 Comment
  RSA237891  Trifolium longipes subsp. elmeri Unspecified 1969-7-13 1005 Siskiyou Just North of Upper English Lake. 1951 Comment
  CAS-BOT-BC230886  Trifolium productum Geo. D. Butler 1910-7-9 1721 Siskiyou Marble Mountain 1828 Comment
  UCD109298  Trifolium productum Herbert L. Mason 1948-7-17 13601 Siskiyou Eastern Grass Lake. Comment
  JEPS4411  Trifolium variegatum Geo. D. Butler 1908-6-28 378 Siskiyou near Yreka (Butler's Ranch); Quartz Valley Comment
  POM28037  Trifolium willdenovii Geo. D. Butler 1910-5-8 1313 Siskiyou Near Yreka. Comment
  UCD109931  Trifolium wormskioldii A. H. Murphy 1956-8-14 56 B Siskiyou Little Mill Creek Meadows. 2011 Comment
  SEINET8502204  Trillium chloropetalum G. D. Butler 1910-4-25 1242 Siskiyou Scott River. Comment
  RSA378198  Trillium kurabayashii Anstruther Davidson 1520 Siskiyou Unspecified. Comment
  CAS-BOT-BC133468  Trillium ovatum John Thomas Howell 1939-8-3 15020 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC99848  Trillium ovatum G. L. Clifton 1979-7-1 6184 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  HSC44968  Trillium ovatum subsp. oettingeri J. O. Sawyer 1978-6-20 3273 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  HSC77003  Trillium ovatum subsp. oettingeri K. T. Stillman 1976-6-25 86 Siskiyou Marble Mtn. Wilderness Area, N side of Elk Valley. 1799 Comment
  RSA234823  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-14 1020 Siskiyou South of Charmaine Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  RSA234827  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1967-6-27 124 Siskiyou Englemann Spruce Forest off Music Creek logging road. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1732 Comment
  HSC30665  Trisetum canescens Frederick W. Oettinger, R. F. Thorne 1969-8-4 1158 Siskiyou Salmon Mountains, above Halfway Spring on trail from English Lake to Diamond Lake 1829 Comment
  RSA238972  Trisetum canescens Frederick W. Oettinger 1969-8-3 1151 Siskiyou Halfway spring. trail English Lake to Diamond Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UCD93490  Trisetum canescens Geo. D. Butler 1910-7-12 1753 Siskiyou Shackleford Creek. Comment
  HSC39671  Trisetum cernuum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5727 Siskiyou 0.9 mi. S of Sugar Creek on Parrott Mill Rd. 1341 Comment
  CAS-BOT-BC200267  Trisetum spicatum Gilbert Muth 1966-8-3 492 Siskiyou Marble Valley meadow, Marble Mts. 1792 Comment
  CAS-BOT-BC200274  Trisetum spicatum Geo. B. Grant 1902-9-1 1305 Siskiyou Mt Shasta Comment
  HSC18980  Trisetum spicatum J. O. Sawyer 1969-8-18 1982 Siskiyou Above South Sugar Creek 2134 Comment
  UCD78066  Trisetum spicatum Robert E. Preston 2001-8-26 1769 Siskiyou Klamath National Forest, N slope of Rainbow Mountain. 2103 Comment
  HSC71074  Triteleia bridgesii M. A. Baker 1980-6-20 2196 Siskiyou Near Bald Mtn. 275 Comment
  CAS-BOT-BC133487  Triteleia crocea R. C. Barneby 1954-5-16 11509 Siskiyou Klamath R. canyon, 10 1/2 mi. below Klamath River P.O. 1550 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
  JEPS52321  Triteleia crocea var. crocea Wayne Roderick 1965-6-6 Siskiyou ca. 4 mi. e. Little Grayback Peak (ridge above headwaters of Indian Creek, Siskiyou Mts.); Siskiyou Mts. 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
  UC766338  Triteleia ixioides subsp. anilina W. Bridge Cooke 1940-6-6 15083 Siskiyou along Castle Lake Road Comment
  UCD78068  Triteleia ixioides subsp. anilina Robert E. Preston 2002-6-21 1869 Siskiyou Klamath National Forest, Rainbow Mountain, S slope, N of Trout Creek 1691 Comment
  RSA237586  Tsuga mertensiana Frederick W. Oettinger 1967-8-26 327 Siskiyou Trees off north eastern side of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  RSA331960  Tsuga mertensiana W. Wisura, D. Kelly 1985-7-30 4076 Siskiyou Along forestry road 47N63 near Siskiyou Summit, N of Horse Creek on Hwy 96. Comment
  CAS-BOT-BC80256  Tsuga mertensiana subsp. grandicona L. E. Smith 1913-8-1 545 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC74090  Turritis glabra Geo. D. Butler 1910-6-5 1524 Siskiyou Loy Lake. Comment
  CAS-BOT-BC74092  Turritis glabra A. A. Heller 1916-6-23 12437 Siskiyou Near Black Butte north of Sisson. 1127 Comment
  UC1240171  Typha latifolia Verne Grant and Irving Schneider 1947-8-25 8284 Siskiyou near road to Lava Beds w side Tule Lake; w side of Tule Lake near road to Lava Beds Comment
  CAS-BOT-BC199182  Vaccinium cespitosum W. R. Dudley 1901-8-18 s.n. Siskiyou Shores of Jackson Lake, Salmon Mts. Comment
  CAS-BOT-BC199188  Vaccinium cespitosum Ira L. Wiggins 1955-7-27 13542 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 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
  HSC18866  Vaccinium cespitosum J. O. Sawyer 1968-7-23 589 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  HSC18868  Vaccinium cespitosum J. O. Sawyer 1968-7-22 532 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  JEPS58731  Vaccinium cespitosum W. L. Jepson 1907-7-6 2851 Siskiyou near Cuddihy Valley Comment
  CAS-BOT-BC199233  Vaccinium membranaceum Wm. Bridge Cooke 1940-6-6 15032 Siskiyou Along the Castle Lake Road Comment
  CHSC77287  Vaccinium membranaceum Loren Gehrung 1993-8-17 147 Siskiyou Along USFS Rd 4812. 2 mi NNE of Little Grayback Peak. North-facing slope. 1524 Comment
  CAS-BOT-BC199476  Vaccinium parvifolium Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  HSC44966  Vaccinium uliginosum J. O. Sawyer 1978-6-20 3275 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  UCD94426  Vahlodea atropurpurea Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou Marble Mountain to Sky High Lake, east of Marble Mountain, Marble Mountains. 1975 Comment
  POM59722  Valeriana capitata subsp. californica Copeland 1903-8-18 3841 Siskiyou Mt. Eddy. Comment
  RSA237916  Veratrum californicum Frederick W. Oettinger 1969-9-2 1590 Siskiyou Meadows above Bear Meadow, near Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  HSC65842  Veratrum insolitum Gail Newton 1980-6-20 454 Siskiyou Near Bald Mtn. 1097 Comment
  JEPS39294  Veratrum insolitum W. Roderick 1965-6-8 Siskiyou 12.1 road mi ne Cecilville 1219 Comment
  UC164389  Veratrum insolitum Geo. D. Butler 1908-8-26 536 Siskiyou head of E<?> Creek Salmon Mountain Comment
  HSC19339  Veronica americana J. O. Sawyer 1969-7-23 1189 Siskiyou Along road near Horse Range Creek. 1341 Comment
  SEINET12337130  Veronica copelandii Unknown 1986-1 60356 Siskiyou SW of Cook and Green Pass, Kangaroo Mt 1859 Comment
  JEPS66324  Veronica serpyllifolia subsp. humifusa L. R. Heckard with T. I. Chuang 1971-6-16 2588 Siskiyou w of Mount Hebron ( Ball Mountain Road nw of U.S. Route 97); Ball Mountain Road Comment