Search Results — 2000 specimen records retrieved (1372 records with coordinates)
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC32568  Abies X shastensis Steven Lagos 1974-5-26 91 Siskiyou Duck Lake Creek drainage 1524 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
  HSC4981  Abies amabilis J. O. Sawyer 1968-7-22 525 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC67698  Abies concolor John Palmer 1980-7-24 582 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  SEINET8058010 Image available Abies concolor Jack Major, R. Pemble, M. Fleschner 1966-9-6 Siskiyou Beside trail from Lovers Camp to Marble Valley Guard Station (Sec. 7, T 3 N, R12 W), Marble Mountains 1372 Comment
  HSC4984  Abies lasiocarpa J. O. Sawyer 1968-7-9 754 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC69303  Abies magnifica Maralyn A. Renner 1980-7-24 1986 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  OBI36530  Abies magnifica David J. Keil 1983-7-3 17385 Siskiyou Slopes of Mt Shasta along Memorial Hwy Comment
  UC119058  Abies magnifica var. magnifica unknown 1885-9-1 Siskiyou Siskiyou Mts. Comment
  UC338681 Image available Abies magnifica var. shastensis J. G. Lemmon and Mrs. J. G. Lemmon Siskiyou forests near Mt. Shasta; ; forests near Mt. Shasta Comment
  UC454749  Acer circinatum I. J. Condit 1911-7-28 Siskiyou Shasta Retreat Comment
  SBBG4082  Acer glabrum K. K. Muller 1954-6-24 648 Siskiyou summit Salmon Mtn Pass [Etna Summit], 10 mi NE of Idylwild [Idlewild Cmpgrd] 1798 Comment
Read comments
Jan 28 2015
  UCR37595  Acer glabrum K. Faber, Et al 1984-5-26 50 Siskiyou 0.7 mi. from Scott Mtn. 1672 Comment
  HSC42164  Acer glabrum var. torreyi R. J. Mastrogiuseppe, J. D. Mastrogiuseppe 1974-9-2 Siskiyou Near Kidd Creek 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
  RSA29662  Acer glabrum var. torreyi Louis C. Wheeler 1935-6-27 3598 Siskiyou Head of Etna Creek, Marble Mountains. 1799 Comment
  CAS-BOT-BC332793  Acer macrophyllum Doris K. Kildale 1929-5-12 7813 Siskiyou Sawyers Bar, north fork of Salmon River Comment
  HSC2804  Acer macrophyllum C. B. Wolf 1927-8-26 1037 Siskiyou Along Klamath River, 4 mi. N of Gottville Comment
  RSA105402  Acer macrophyllum G. D. Barbe 1955-6-30 62 Siskiyou 1 mile northwest of Forest camp, Etna. Growing along Johnson Creek 945 Comment
  CAS-BOT-BC30436  Achillea millefolium Carl B. Wolf 1927-8-26 1093 Siskiyou On the Klamath River, 14 mi. above Happy Camp Comment
  CAS-BOT-BC30441  Achillea millefolium Doris K. Kildale 1929-7-20 8732 Siskiyou Raspberry Lake, near east slope Preston Peak Comment
  RSA603013  Achnatherum lemmonii var. lemmonii L. C. Wheeler 1935-6-9 3559 Siskiyou Siskiyou Mts.; Yreka Creek 1220 Comment
  RSA129519  Achnatherum occidentale subsp. californicum H. A. Jensen 1933-7-27 334 Siskiyou Grey Butte 2073 Comment
  UC1133081  Achnatherum occidentale subsp. californicum H. A. Jensen 1933-8-24 343 Siskiyou Mouth of Gravel Creek Shasta National Forest, Dunsmuir Quadrangle Comment
  RSA17728  Achnatherum occidentale subsp. occidentale Elmer I. Applegate 1935-6-10 9481 Siskiyou South base of Caldwell Butte, Lava Beds National Monument Comment
  UC1133185  Achnatherum occidentale subsp. occidentale H. S. Yates 1936-6-21 5827 Siskiyou n base of Wintoon Butte Dunsmuir Quadrangle Comment
  JEPS107345  Achnatherum thurberianum Lowell Ahart, John Dittes 2005-6-9 12027 Siskiyou Hill, south of a rock fence, about 100 yards northeast of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  SD113630  Acmispon americanus Darley F. Howe 1977-7-2 4979 Siskiyou Scott River resort area. 609 Comment
  UCD104265  Acmispon nevadensis var. nevadensis Tofsrud 1948-8-1 s.n. Siskiyou East edge of McCloud. Comment
  UC166139  Aconitum columbianum Geo. D. Butler 1910-7-13 1774 Siskiyou Schackleford Creek 1219 Comment
  CAS-BOT-BC391537  Aconitum columbianum subsp. columbianum John Thomas Howell 1937-7-22 13324 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC391540  Aconitum columbianum subsp. columbianum Alice Eastwood 1912-7-17 1189 Siskiyou Sisson Comment
  HSC64344  Aconitum columbianum subsp. columbianum J. P. Smith, Steve Selva 1970-7-18 4489 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  HSC34262  Aconitum columbianum subsp. viviparum J. P. Smith, J. O. Sawyer 1973-8-14 7311 Siskiyou Around Cliff Lake 1860 Comment
  POM208200  Aconitum columbianum var. columbianum Louis C. Wheeler 1934-6-18 2724 Siskiyou Cottonwood Creek, Siskiyou Mts. Mt. Diablo Mer. 1311 Comment
  CAS-BOT-BC418815  Aconogonon phytolaccifolium Doris K. Kildale 1928-8-20 6607 Siskiyou Lily Pad Lake, near Hancock Lookout on trail to Marble Mountain Comment
  CHSC57343  Adenocaulon bicolor J. D. Prouty 1979-7-21 Siskiyou Cooley's Ranch campground ca 4 mi south of McCloud. 914 Comment
  HSC98138  Adenocaulon bicolor J. O. Sawyer 1969-7-23 1451 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1341 Comment
  RSA240054  Adenocaulon bicolor Frederick W. Oettinger 1969-8-9 1317 Siskiyou Along main N Fork trail between Five mile Stockgate and Abbott's upper cabin, Salmon Mts. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1357 Comment
  HSC68309  Adiantum aleuticum Maralyn A. Renner 1980-7-4 1418 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  HSC93001  Adiantum aleuticum Jennifer Whipple 1976-7-24 1566 Siskiyou SW of Dobkins Lake along the drainage into the lake 2134 Comment
  RSA237841  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
  UCD137174  Adiantum aleuticum H. P. Olmo 1931-6-1 s.n. Siskiyou Somesbar. Comment
  CDA1643  Aegilops cylindrica T. C. Fuller 1962-6-12 8970 Siskiyou Little Shasta Rd, 1 mile east of Montague. 0 Comment
  JEPS107660  Aegilops cylindrica Lowell Ahart, John Dittes 2005-6-10 12122 Siskiyou North side of the corral, end of Salvadori Road, Nelson Ranch, about 1 1/4 miles (air) south of Highway 99/97 Cutoff, about 5 1/4 miles (air) east-southeast of Grenada 785 Comment
  UCD51463  Aegilops cylindrica John Thomas Howell 1952-6-15 28366 Siskiyou along road just east of Montague. Comment
  CDA36296  Aegilops cylindrica Ed Finley? 1986-1 Siskiyou Montague, north of Shasta, off Hwy 89. 0 Comment
  UC726050  Agastache parvifolia A. A. Heller 1938-7-13 15263 Siskiyou among lava rocks at Bray Comment
  HSC2395  Agastache urticifolia William J. Ferlatte 1966-8-18 425 Siskiyou Willow Creek Trail. 1707 Comment
  JEPS62933  Agastache urticifolia Geo. D. Butler 1908-8-6 171 Siskiyou trail beyond Whiskey Camp Whiskey Camp (Marble Mountains); , Whiskey Camp 1676 Comment
  POM69086  Agastache urticifolia Geo. D. Butler 1910-6-7 1533 Siskiyou Moffit Creek. Comment
  RSA181615  Agastache urticifolia Dorothy Parker 1950-6-15 453 Siskiyou Along Kidder Creek. 915 Comment
  RSA31957  Agastache urticifolia A. A. Heller 1938-7-13 15263 Siskiyou Among lava rocks at Bray. Comment
  UC1212567  Ageratina occidentalis Francia Chisaki and Helen K. Sharsmith 1959-8-20 4743 Siskiyou between Forks of Salmon and Somes Bar (several miles from Forks of Salmon); Inner North Coast Ranges, Salmon River 304 Comment
  CAS-BOT-BC29460  Ageratina occidentalis W. R. Dudley 1901-8-22 s.n. Siskiyou Salmon RIdge, Foxtail Ridge Comment
  RSA211195  Agoseris aurantiaca William J. Ferlatte 1966-8-5 322 Siskiyou Wooded slope on the north side of Caribou Mtn. 1921 Comment
  RSA238736  Agoseris aurantiaca Frederick W. Oettinger 1968-8-14 512 Siskiyou Stream bank about 100 yards below Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  SEINET6738522 Image available Agoseris grandiflora G. D. Butler 1910-5-26 1367 Siskiyou Yreka Comment
  CAS-BOT-BC15390  Agoseris grandiflora var. grandiflora George Dexter Butler 1910-6-10 1555 Siskiyou Near Yreka Comment
  CAS-BOT-BC15392  Agoseris grandiflora var. grandiflora LeRoy Ellsworth Detling 1950-6-11 6636 Siskiyou Siskiyou Pass 1127 Comment
  CAS-BOT-BC15344  Agoseris heterophylla Alice Eastwood 1923-5-20 11862 Siskiyou Shasta Springs Comment
  CAS-BOT-BC22770  Agoseris heterophylla Elmer I. Applegate 1937-5-12 11082 Siskiyou Lava Beds National Monument, near the boundary between Canby Cross and Stronghold. Comment
  CAS-BOT-BC22772  Agoseris heterophylla Alice Eastwood 1912-7-15 1124 Siskiyou McCloud Comment
  HSC77023  Agoseris heterophylla K. T. Stillman 1976-6-25 53 Siskiyou Marble Mtn. Wilderness Area, SW facing slope. 1921 Comment
  JEPS93824  Agoseris heterophylla Vernon H. Oswald and Lowell Ahart 1998-6-11 9196 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on the s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  CAS-BOT-BC13187  Agoseris monticola Alice Eastwood 1921-7-28 10922 Siskiyou Medicine Lake Comment
  RSA264989  Agoseris retrorsa Gilbert Muth 1975-7-28 10065 Siskiyou Near Cook and Green Pass, near Seiad Valley 1524 Comment
  UC61074  Agoseris retrorsa W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson; Mount Shasta Comment
  JEPS80661  Agrostis alba W. B. and V. G. Cooke 1977-9-20 54807 Siskiyou along dry spring creek Mt. Shasta, Little Bear Springs Comment
  UC1130657  Agrostis alba H. S. Yates 1936-6-21 5824 Siskiyou 1 mi se Gazelle; Etna Quad. Comment
  RSA238371  Agrostis exarata Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1204 Siskiyou Trail from English Lake to Abbott's. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UCD52131  Agrostis exarata Beecher Crampton 1956-8-21 3830 Siskiyou 1/2 mile northeast Gumboot Lake, headwater of the south fork of the Sacramento River. 1767 Comment
  UCD52354  Agrostis exarata L. Whitney 1935-7-15 s.n. Siskiyou near Bulls-eye Lake. Comment
  UCD52369  Agrostis exarata A. H. Murphy 1956-8-16 56 CC Siskiyou Klamath National Forest, Tangle Blue Lake. 1767 Comment
  SEINET4339753  Agrostis exarata S. E. Palmer 1892-1 2644 Siskiyou Near Mount Shasta Comment
  CAS-BOT-BC139572  Agrostis gigantea W. A. Dayton 1912-7-29 172 Siskiyou Shasta Forest. Ash Creek Sink. 1188 Comment
  RSA239094  Agrostis humilis Frederick W. Oettinger 1969-9-4 1656 Siskiyou Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA233687  Agrostis humilis R. F. Thorne, Fred Oettinger 1969-8-10 38956 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  SEINET7594040 Image available Agrostis idahoensis F. W. Oettinger [s d ] 736 Siskiyou toward peak from Bear Meadow, Tom' Lake region, Salmon Mountains 2187 Comment
  CAS-BOT-BC138928  Agrostis pallens John Thomas Howell 1939-8-9 15210 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  CAS-BOT-BC138936  Agrostis pallens Louis C. Wheeler 1934-8-2 3020 Siskiyou Klamath Forest. Jaynes Canyon. 2072 Comment
  RSA239064  Agrostis pallens Frederick W. Oettinger 1969-9-2 1587 Siskiyou Bear Meadow near Tom Taylor Cabin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  UC814985  Agrostis pallens John Thomas Howell 1939-8-2 14943 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  HSC38393  Agrostis scabra J. D. Ackerman, A. M. Montalvo 1975-7-19 591 Siskiyou 3 mi E of McCloud, off Hwy 89, on USFS Rd 39N13 1067 Comment
  UCD53363  Agrostis scabra A. H. Murphy 1956-8-16 56 X Siskiyou Tangle Blue Lake, Klamath National Forest. 1767 Comment
  UC2046868  Agrostis stolonifera R. E. Brainerd 2014-7-6 2316 Siskiyou Siskiyou County: Klamath River Canyon; Randolph Collier Rest Area on Interstate 5; 10.7 road miles north of Yreka. Comment
  CAS-BOT-BC138479  Agrostis variabilis Wm. Bridge Cooke 1938-8-18 11487 Siskiyou Mount Shasta. Horse Camp Slopes. 2514 Comment
  CAS-BOT-BC138482  Agrostis variabilis Wm. Bridge Cooke 1938-8-18 11487 Siskiyou Mount Shasta. Horse Camp Slopes. 2514 Comment
  POM259583  Agrostis variabilis J. T. Howell 1939-8-9 15214 Siskiyou Sky High Valley, Marble Mountains. 1829 Comment
  UCD53682  Agrostis variabilis Beecher Crampton 1956-8-22 3858 Siskiyou Panther meadow, south slope of Mt. Shasta. 2316 Comment
  HSC58901  Allium amplectens Marvin Butler 1971-7-29 247 Siskiyou Near Bell Echo Camp 1 Comment
  UC375194  Allium bolanderi Geo. D. Butler 1909-3-21 663 Siskiyou dry hills near Oro Fino Comment
  HSC33999  Allium bolanderi var. bolanderi J. P. Smith 1974-5-25 7501 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  SEINET3883864  Allium bolanderi var. mirabile D. W. McNeal 1992-5-16 3910 Siskiyou Above the dirt rd. running nw. from Hilt, 4.8 mi. nw. of Interstate #5 at the HIlt exit.; 0 Comment
  SEINET10839450  Allium falcifolium Mary Susan Taylor 1980-7-8 Taylor 3111 Siskiyou T39N R5W se sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on ridge S of Castle Lake, above Hearts Lake. 2017 Comment
  JEPS82242  Allium siskiyouense Roger Raiche 1983-8-14 30611 Siskiyou near summit of road to Mt. Eddy or Dead Fall Meadow (Park Creek Road of forest road 42N17) 2133 Comment
  UCD143201  Allium siskiyouense L. K. Mann; J. M. Tucker, S. L. Holloway 1963-7-9 s.n. Siskiyou 2nd camp Marble Mountain Wilderness Area. Comment
Read comments
Mar 27 2015
  UC803882  Allium validum G. L. Stebbins Jr. with P. Dansereau, C. McMillan, and K. Narayan 1949-8-9 4021 Siskiyou 10 mi w Weed (along Park's Creek, above Stewart Springs); Park's Creek 1219 Comment
  UCD141859  Allium validum Doug Barbe 1959-7-11 540 Siskiyou north of Gumboot Lake, west of city of Shasta and south of Mt. Eddy. 1767 Comment
  RSA367151  Allium validum Laura Witherspoon 1977-7-30 s.n. Siskiyou Flint Valley. 1341 Comment
  SEINET3879909  Allium validum J. O. Sawyer 1969-8-1 1596 Siskiyou Etna quad. Meadow behind Horseshoe Lake.; 0 1920 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
  CAS-BOT-BC171246  Alnus L. E. Smith 1913-3-29 s.n. Siskiyou McCloud Comment
  CAS-BOT-BC171417  Alnus incana subsp. tenuifolia W. R. Dudley 1901-8-18 s.n. Siskiyou N of Jackson Lake Comment
  CHSC30107  Alnus incana subsp. tenuifolia M. S. Taylor 1980-6-4 2787 Siskiyou Cedar Lake, lake edge, ca. 11 mi sw of Mt. Shasta City. 1737 Comment
  JEPS58663  Alnus incana subsp. tenuifolia Geo. D. Butler 1908-8-8 12 Siskiyou West Fork of Wooly Creek; lake at head 1676 Comment
  LA204101  Alnus incana subsp. tenuifolia C. B. Wolf; 1930-10-22 1752 Siskiyou 1 mi. W of Mt. Shasta City 1066 Comment
  HSC65130  Alnus rhombifolia J. P. Smith, Steve Selva 1970-7-15 4348 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  HSC68578  Alnus rhombifolia Maralyn A. Renner 1980-6-23 973 Siskiyou W Fork Seiad Creek 878 Comment
  HSC45043  Alnus viridis subsp. sinuata J. O. Sawyer 1978-6-21 3288 Siskiyou Marble Mountain Wilderness, trail W of Dollar Meadows 1890 Comment
  CHSC91341  Alyssum alyssoides Lowell Ahart; John Dittes 2005-6-9 12017 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  SEINET7073536  Alyssum alyssoides A. G. Vestal 1963-6-1 s.n. Siskiyou Grassy slope with oak. About 4.6 miles southeast of Hornbrook on the Hornbrook - Ager Road. UTM Zone 10, 542900mN, 4366613mN. Coordinate datum: NAD27. Comment
  CAS-BOT-BC18598  Alyssum alyssoides George Dexter Butler 1910-5-15 1341 Siskiyou Near Yreka. Comment
  CDA38754  Ambrosia trifida Rhonda Posey, Kay Dye 2012-8-29 s.n. Siskiyou Mt. Shasta (City); 1524 Frederick St. 0 Comment
  CAS-BOT-BC142918  Amelanchier Doris K. Kildale 1929-5-31 9122 Siskiyou Cecilville, South Fork of Salmon River Comment
  HSC27466  Amelanchier alnifolia var. semiintegrifolia J. P. Smith, J. O. Sawyer 1972-5-28 5378 Siskiyou 2.4 mi. E of Trail Creek Campground on the Calahan-Cecilville Rd. 1524 Comment
  UC1505822  Amelanchier alnifolia var. semiintegrifolia K. M. Wiegand 1941-7-26 4948 Siskiyou canyon of Mud Creek canyon of Mud Creek, Mt. Shasta; So. Cascade Mts., Mt. Shasta, Sacramento River Basin 1524 Comment
  HSC29351  Amelanchier pallida Frederick W. Oettinger 1968-8-2 361 Siskiyou Marble Mtn. Wilderness Area, Diamond Lake 2073 Comment
  JEPS126017  Amelanchier pallida E. T. Doucette 2013-5-20 13 -129 Siskiyou Greenhorn Road, Yreka, 8.8 miles from business district. Comment
  SEINET10628528 Image available Amelanchier pallida A. Arthur Heller 1905-6-5 Heller 7979 Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  CAS-BOT-BC136892  Amelanchier utahensis Wm. Bridge Cooke 1938-8-5 11434 Siskiyou [MacBride Spring] McBride Springs Road Comment
  UC1483540 Image available Amelanchier utahensis John Palmer 1980-7-24 638 Siskiyou Dillon Divide; Klamath National Forest, Dillon Mtn. Quad. 1706 Comment
  UCR17262  Amelanchier utahensis Frank C. Vasek 1975-6-29 750629- 06 Siskiyou Gazelle Summit, 11.6 mi SW of Gazelle Comment
  RSA0089947  Amsinckia menziesii var. menziesii L. C. Wheeler 1935-5-26 3534 Siskiyou Yreka Creek. Siskiyou Mts. 854 Comment
  CAS-BOT-BC45205  Anaphalis margaritacea William Bridge Cooke 1939-7-10 13863 Siskiyou Mount Shasta. West bank of Mud Creek Canyon. 2133 Comment
  CHSC32971  Anemone deltoidea J. P. Smith; Steve Selva 1970-6-16 4063 Siskiyou 8 miles west of Etna on road to Sawyers Bar. 1371 Comment
  HSC44582  Anemone deltoidea Laura Witherspoon 1977-7-12 Siskiyou Flint Valley Comment
  JEPS82718  Anemone deltoidea Wayne Roderick 1983-7-10 Siskiyou Doe Flat 1143 Comment
  UC1025127  Anemone deltoidea Douglas Barbe 1955-7-6 135 Siskiyou ne shore Taylor Lake; Klamath Mtns, Salmon Mtns 1950 Comment
  CAS-BOT-BC391798  Anemone deltoidea Gilbert Muth 1965-8-3 s.n. Siskiyou Pothole in Marble, Marble Valley Comment
  RSA238285  Anemone deltoidea Frederick W. Oettinger 1968-8-6 429 Siskiyou Along lake trail on the southeast side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  RSA78294  Anemone deltoidea P. A. Munz 1952-7-1 17862 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 Comment
  UC130648  Anemone deltoidea H. M. Hall Jul 1909 8675 Siskiyou Salmon Mtns , Salmon River (Salmon River) 1584 Comment
  CAS-BOT-BC391855  Anemone drummondii A. A. Heller 1915-7-15 12082 Siskiyou Mt. Eddy 2072 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
  UC8902  Anemone drummondii Harley P. Chandler June 1901 1676 Siskiyou Marble Mt. North Coast Ranges, Marble Mt. Comment
  RSA211129  Anemone drummondii William J. Ferlatte 1966-6-23 120 Siskiyou Dorleska summit; Trinity Alps. 2134 Comment
  UC8901  Anemone multifida Harley P. Chandler 1901-6-1 1657 Siskiyou North Coast Ranges, Marble Mountain Marble Mountain; North Coast Ranges, Marble Mountain 2438 Comment
  UC585140  Anemone occidentalis E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2006 Siskiyou ca. 1 1/2 mi. w. Mt. Shasta City (e. & n.e. of slope of spur of Rainbow Ridge above Sulloway Creek) 1180 Comment
  CAS-BOT-BC391972  Anemone occidentalis Wm. Bridge Cooke 1938-7-21 11303 Siskiyou Mount Shasta. South of Horse Camp Comment
  HSC22428  Anemone occidentalis J. O. Sawyer 1969-7-2 1024 Siskiyou Crest W of Upper Albert Lake 2256 Comment
  JEPS80588  Angelica arguta Gilbert Muth 1965-7-28 130 Siskiyou Marble Mountain Wilderness Area, Marble Valley Marble Valley Marble Valley; Marble Mountain Wilderness Area, Marble Valley 1792 Comment
  UC1356635  Angelica arguta J. F. Emmel 1968-7-22 90 Siskiyou Trinity Alps, Caribou Lake Caribou Lake; Trinity Alps, Caribou Lake 2103 Comment
  HSC103575  Antennaria argentea Thomas W. Nelson, Jane Nelson 1985-6-19 7820 Siskiyou In and about Scott Mountain Campground. 1646 Comment
  CAS-BOT-BC59160  Antennaria dimorpha H. M. Hall; E. B. Babcock 1903-6-1 4101 Siskiyou Little Shasta Valley, 853 Comment
  CAS-BOT-BC59162  Antennaria dimorpha Dorothy Parker 1951-5-1 503 Siskiyou Mt. Boliver 1371 Comment
  RSA271911  Antennaria dimorpha Christopher Davidson 1975-6-5 2655 Siskiyou just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 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
  UC165971  Antennaria howellii subsp. howellii Geo. D. Butler 1909-7-15 954 Siskiyou Highland Mine Comment
  OBI55455  Antennaria howellii subsp. howellii David J. Keil, Kathleen Keil 1992-7-21 23549 Siskiyou Klamath natl forest SE of Callahan. forest Rd 40N08, 4.2 mi W of Scott Mtn rd (hwy 3) Comment
  CAS-BOT-BC69100  Antennaria media Wm. Bridge Cooke 1938-8-18 11473 Siskiyou Horse Camp Springs Comment
  HSC25417  Antennaria racemosa J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5662 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  JEPS84313  Antennaria rosea L. R. Heckard with J. Hickman et al. 1986-7-17 6533 Siskiyou s end, (se of Condrey Mt.) Alex Hole; Condrey Mt., Alex Hole 1980 Comment
  RSA416677  Antennaria rosea M. B. Dunkle 1945-1 9315 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  HSC21988  Antennaria rosea subsp. rosea J. O. Sawyer 1969-7-7 1085 Siskiyou Little Duck Lake 2881 Comment
  CAS-BOT-BC102271  Anthemis cotula R. E. Frenkel 1964-10-2 874 Siskiyou On south-west side of Everitt Memorial Highway 1524 Comment
  UCD129068  Anthemis cotula A. A. Heller 1916-7-20 12460 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy in openings in the forest. 1188 Comment
  JEPS107960  Apera interrupta Lowell Ahart, John Dittes 2005-6-9 12007 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  CHSC75666  Apocynum androsaemifolium Vernon H. Oswald; Lowell Ahart 1999-7-5 9808 Siskiyou Gazelle Mtn. on road 41N03 0.5 mi southeast of Gazelle-Callahan Hwy. 1508 Comment
  UC196342  Apocynum androsaemifolium A. A. Heller 1914-8-25 11703 Siskiyou along R.R. embankment near Deetz station opposite Black Butte 1158 Comment
  HSC3211  Apocynum androsaemifolium Geo. D. Butler 1908-9-6 78 Siskiyou Butler Ranch, near Yreka. Comment
  POM75779  Apocynum androsaemifolium subsp. pumilum Edward Palmer 1892-7-13 2522 Siskiyou Mount Shasta and vicinity Comment
  CHSC4712  Apocynum cannabinum R. Carter 1966-5-15 401 Siskiyou Ca. 5 mi. N of Callahan along W side of road on W side Scott R. 914 Comment
  CAS-BOT-BC397949  Aquilegia formosa W. R. Dudley 1899-8-13 s.n. Siskiyou Nabat Meadows, Mc Cloud Comment
  CHSC1431  Aquilegia formosa var. truncata K. Jaekel 1939-6-30 Siskiyou Mt. Shasta 1219 Comment
  RSA0125744  Arabis breweri Lincoln Constance, Reed C. Rollins 1942-5-14 2930 Siskiyou Shasta River 6 miles N of Yreka. 762 Comment
  POM256018  Arabis divaricarpa Marion Ownbey, Ruth Ownbey 1938-7-20 1760 Siskiyou 1 mile E of Dry Lake Lookout, summit of the Siskiyou Mountains. Comment
  HSC22440  Arabis divaricarpa J. O. Sawyer 1969-7-16 1122 Siskiyou SE facing upper slope S of Siphon Lake 2235 Comment
  HSC22410  Arabis divaricarpa var. interposita J. O. Sawyer 1969-8-2 1709 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  HSC62590  Arabis glabra Ruby Van Deventer 1960-7-7 Siskiyou Youngs Valley Comment
  RSA0125826  Arabis glabra Frederick W. Oettinger 1969-8-17 1413 Siskiyou Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UC1034582  Arabis glabra Douglas Barbe 1955-7-4 94 Siskiyou 9 mi s Etna (at junction of Parrot Mill Rd and French Creek Rd) 944 Comment
  HSC77245  Arabis glabra var. glabra L. P. Janeway 1983-7-12 414 Siskiyou Near Rd. 19N07, 6.25 mi. N from Indian Cr. Rd. 1311 Comment
  UC1483493  Arabis holboellii var. pinetorum J. Sawyer and J. Cole 1980-7-22 3916 Siskiyou nw slopes Cedar Mtn.; Klamath National Forest, Bray Quad. 1524 Comment
  HSC62265  Arabis holboellii var. retrofracta Al Hobart Siskiyou Youngs Valley Comment
  HSC76885  Arabis puberula K. T. Stillman 1976-6-27 145 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  HSC6536  Arabis sparsiflora var. subvillosa D. M. Thomson 1965-6-19 92 Siskiyou Lava Beds National Monument, Captain Jacks Stronghold Comment
  UC165958  Arabis subpinnatifida Geo. D. Butler 1910-4-17 1194 Siskiyou near Yreka Comment
  HSC90610  Arabis suffrutescens Jennifer Whipple 1976-6-17 1020 Siskiyou N face of Mount Eddy 2134 Comment
  POM354174  Arceuthobium abietinum Louis C. Wheeler 1934-6-18 2723 Siskiyou West Fork Cottonwood Creek, Siskiyou Mtns. (Mt Diablo Mer.) 1463 Comment
  SEINET2118123  Arceuthobium abietinum subsp. wiensii R. L. Mathiasen, C. M. Daugherty 2008-8-8 08 -23 Siskiyou Klamath National Forest. Baldy Mountain, 18.2 km W of Indian Creek on forest road 17N11 (Doolittle Creek Road) 1820 Comment
  CAS-BOT-BC407794  Arceuthobium campylopodum L. E. Smith 1912-8-1 s.n. Siskiyou near Weed Comment
  UCD81364  Arctostaphylos Roman Gankin; Brewer, Hildreth, and Milam 1965-8-11 610 Siskiyou 100 yards south of Somesbar Post Office, west of State Highway 96. Comment
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Feb 21 2015
  SEINET11990950  Arctostaphylos klamathensis Unknown 1983-1 4886 Siskiyou Terrace Lake 1881 Comment
  CAS-BOT-BC39978  Arctostaphylos nevadensis W. R. Dudley 1893-6-20 s.n. Siskiyou Near Castle Lake by Mt. Shasta. Comment
  CAS-BOT-BC40017  Arctostaphylos nevadensis Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Shackleford Trail below Bull Meadow Comment
  CAS-BOT-BC40021  Arctostaphylos nevadensis Doris K. Kildale 1928-8-19 6570 Siskiyou Hancock Lake on trail to Marble Mt. 2133 Comment
  CHSC9492  Arctostaphylos nevadensis J. F. Goodwin 1971-7-3 130 Siskiyou 2.6 mi. south of Mt. Shasta Ski Bowl area on Everitt Mem. Hwy. 2103 Comment
  UC1190121  Arctostaphylos nevadensis Ira L. Wiggins 1955-7-27 13559 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  UC54438  Arctostaphylos nevadensis H. M. Hall and E. B. Babcock June, 1903 4107 Siskiyou Ash Creek Sierra Nevada Mts., Mt. Shasta 1676 Comment
  LA42205  Arctostaphylos nevadensis Wm. Bridge Cooke; 1939-8-8 13835 Siskiyou Mount Shasta 2468 Comment
  CAS-BOT-BC46471  Arctostaphylos patula Wm. F. Herrin 1918-5-15 s.n. Siskiyou Shasta Springs. Comment
  CAS-BOT-BC46509  Arctostaphylos patula D. E. Breedlove 1962-6-10 3290 Siskiyou On sw. slope of Little Greyback Mountain along Indian Creek Road from O'Brien to Happy Camp, 20.7 mi. nw. of Happy Camp. 1554 Comment
  CAS-BOT-BC46525  Arctostaphylos patula L. B. Kildale 1930-6-1 9861 Siskiyou Salmon River 5 mi. n. of Forks of Salmon. Comment
  RSA105355  Arctostaphylos patula G. D. Barbe 1955-7-6 137 Siskiyou Along northeast shore of Taylor Lake, Salmon Mtns. 1951 Comment
  UC1483494  Arctostaphylos patula J. Sawyer and J. Cole 1980-7-21 3906 Siskiyou near Haight Mtn. (along F.S. rd running ssw); Klamath National Forest, Bray Quad. 1938 Comment
  UC585198  Arctostaphylos patula E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1950 Siskiyou on hwy from Bray to Weed, about 2 mi s Sheep Rock (n slope of mt.); Mt. Shasta 1235 Comment
  CAS-BOT-BC47013  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1929-7-20 8569 Siskiyou S. fork of Indian Creek, near Happy Camp. 457 Comment
  RSA12511  Arctostaphylos viscida subsp. viscida C. B. Wolf 1934-7-4 5925 Siskiyou Klamath River, 3 mi. below Tee Bar Creek. 213 Comment
  JEPS80541  Arenaria congesta var. congesta Gilbert Muth 1965-8-16 225 Siskiyou Slopes behind Black Mountain Marble Mountain Wilderness Area, Black Mountain, Boreal mead 1950 Comment
  CAS-BOT-BC82251  Arnica chamissonis Roxana S. Ferris; Laura Lorraine 1941-8-11 10499 Siskiyou Grass Lake Station, on U.S. Highway 97 1554 Comment
  CDA10114  Arnica chamissonis subsp. foliosa T. C. Fuller 1960-6-3 4615 Siskiyou Toad Lake, ca. 7 miles north of Bartle. 0 Comment
  HSC75631  Arnica dealbata J. O. Sawyer, R. J. Cole 1980-7-21 3823 Siskiyou 0.2 mile east of Medicine Lake Ranger Station; west end of Medicine Lake Comment
  CAS-BOT-BC82556  Arnica discoidea Ira L. Wiggins 1955-7-23 13465 Siskiyou ridge W of China Creek, S side of S Fork of Salmon River 1005 Comment
  SEINET3098725 Image available Arnica latifolia var. viscidula Eleanor Burks Hart 1938-8-17 915 Siskiyou Upper Wright Lake. 2230 Comment
  UCD129152  Arnica mollis Joseph M. DiTomaso 1975-9-10 319 Siskiyou meadow on slope; Caribou side of Sawtooth Ridge. Trinity Alps. 2194 Comment
  UCD77358  Arnica mollis Robert E. Preston 2001-7-20 1693 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W ne 1/4 of se 1/4 Section 14 1755 Comment
  CAS-BOT-BC85047  Arnica spathulata Volney Rattan 1903-1-1 s.n. Siskiyou Siskiyou Mts. Comment
  CAS-BOT-BC90087  Arnica viscosa Wm. Bridge Cooke 1938-8-18 11501 Siskiyou Horse Camp Slopes, slopes above the Shasta Fir forest 2514 Comment
  HSC49949  Arnica viscosa Muth, Overton 1979-8-12 13687 Siskiyou Near Cliff Lake, close to the town of Fort Jones 1952 Comment
  UCD56028  Arrhenatherum elatius A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3442 Siskiyou Near Happy Camp. On sandy banks of Klamath River. Comment
  RSA211190  Artemisia arctica subsp. arctica William J. Ferlatte 1966-8-5 342 Siskiyou Caribou Mtn., Open granite slopes and ridges. Near summit. 2470 Comment
  CAS-BOT-BC90133  Artemisia biennis R. Pederson; G. Pederson 1979-9-26 113 Siskiyou Lower Klamath National Wildlife Refuge 1237 Comment
  UCD129171  Artemisia borealis subsp. borealis J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3750 Siskiyou southeast-facing slope, southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wildnerness Area. 2133 Comment
  UC618867  Artemisia douglasiana W. Bridge Cooke 1938-8-19 11509 Siskiyou along overflow stream from Mount Shasta City water reservoir; Mount Shasta region 1219 Comment
  HSC1955  Artemisia douglasiana Geo. D. Butler 1910-7-29 1798 Siskiyou Yreka Comment
  HSC5015  Artemisia tridentata subsp. tridentata R. C. Wunner 1965-8-26 481 Siskiyou Lava Beds N.M., N Prefab Indian Well 1433 Comment
  JEPS45627  Aruncus dioicus var. pubescens Geo. D. Butler 1908-8-3 280 Siskiyou canyon below Log Lake; Shackleford Creek 1463 Comment
  UC165759  Aruncus dioicus var. pubescens Geo. D. Butler 1908-8-3 280 Siskiyou canyon of Shackleford Creek Comment
  RSA15586  Aruncus sylvester Carl B. Wolf 1927-8-27 1139 Siskiyou Mouth of Crawford Creek, Klamath river Comment
  POM210882  Aruncus sylvester Louis C. Wheeler 1934-8-17 3179 Siskiyou Siskiyou Mts. North side White Mt. 1829 Comment
  HSC48291  Asarum caudatum J. O. Sawyer, K. T. Stillman 1978-7-6 3294 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  CDA39801  Asclepias cordifolia F. D. Horn 1977-5-22 s.n. Siskiyou North shore, Copco Lake, east of Hornbrook. 0 Comment
  RSA76058  Asclepias cordifolia Geo. D. Butler 1910-5-23 1396 Siskiyou Humbug Mtn. 1220 Comment
  SEINET10814570  Asclepias speciosa Edward L. Greene 1876-6-28 Greene 899 Siskiyou Collected near Yreka. Comment
  HSC60013  Asparagus officinalis M. A. Baker 1977-6-27 387 Siskiyou Happy Camp. Comment
  UC185224  Aspidotis densa Geo. D. Butler 1910-7-8 1670 Siskiyou Shackelford Creek Comment
  UC42607  Aspidotis densa W. H. Brewer 1863-9-9 1360 Siskiyou Castle Rocks near Mt Shasta Comment
  CAS-BOT-BC99215  Aster Louis C. Wheeler 1934-9-19 3284 Siskiyou Klamath National Forest - Walker 518 Comment
  CDA10214  Aster alpigenus Gordon Leppig, J. Kalt 1996-7-9 369 Siskiyou Northern California Peatlands; Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, in cirque west of Little Duck Lake. Comment
  SEINET1783729  Aster copelandii E. B. Copeland 1903-9-7 3867 Siskiyou Mt. Eddy. 2744 Comment
  POM351095  Aster frondosus L. C. Wheeler 1934-10-14 3320 Siskiyou Shasta River, 2 miles below Yreka Creek 670 Comment
  UCR30515  Aster ledophyllus John C. Roos 1948-9-1 3949 Siskiyou high ridge SW of Etna Comment
  POM58125  Aster torreyi E. B. Copeland 1903-9-8 3869 Siskiyou Foot of Mt. Eddy 122 Comment
  UC909322  Astragalus californicus Dorothy Parker 1948-6-14 Siskiyou Rail Creek East Fork Scott River drainage, Plowman's Valley, Rail Creek (Plowman's Valley, East Fork Scott River drainage) 1203 Comment
  CDA26664  Astragalus filipes L. Ahart, J. Dittes 2005-6-1 12092 Siskiyou North of the rock fence, 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. Comment
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Oct 5 2019
  CDA26673  Astragalus gambelianus G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2597 Siskiyou Between restaurant and motel properties, Old Highway 99, south edge of Yreka. Comment
  SEINET7040265  Astragalus newberryi var. newberryi A. G. Vestal 1963-6-1 s.n. Siskiyou 3.6 miles northwest of Route 97 on road to Darnnell Reservoir. Southeast part of the Shasta Valley. Comment
  HSC71338  Astragalus purshii var. purshii J. P. Smith 1976-5-21 8759 Siskiyou Along FS Rd. 40N08, 1 mi. from its junction with Hwy. 3, Klamath National Forest 1646 Comment
  POM45521  Astragalus purshii var. tinctus Geo. D. Butler 1909-5-8 708 Siskiyou Near Yreka. Comment
  CHSC111072  Astragalus whitneyi Barbara L. Wilson 2011-7-31 16701 Siskiyou Shasta-Trinity National Forest; north of the Pacific Crest Trail on road 42N17, at a 90 degree bend, in the Park Creek drainage. UTM 10 538978 east, 4578744 north, +/- 36 feet. 2023 Comment
  CAS-BOT-BC198711  Astragalus whitneyi var. siskiyouensis Peter H. Raven 1956-9-4 10386 Siskiyou Ridge south of Mount Eddy 2286 Comment
  HSC144  Asyneuma prenanthoides William J. Ferlatte 1966-8-3 267 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's. 1524 Comment
  CAS-BOT-BC69536  Athyrium alpestre subsp. americanum W. B. C. 1938-9-8 11617 Siskiyou Panther Creek Glacial Meadow, Mount Shasta. 2590 Comment
  CAS-BOT-BC68702  Athyrium alpestre var. americanum Ira L. Wiggins 1955-7-27 13567 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CHSC99991  Athyrium distentifolium var. americanum L. P. Janeway 2008-7-26 9505 Siskiyou Klamath Ranges. Between Castle Crags, Trinity Mountains, and The Eddys; about 200 m west-southwest of Heart Lake and about 0.8 km south of Castle Lake. 1859 Comment
  HSC22158  Athyrium filix-femina var. cyclosorum J. O. Sawyer 1969-7-23 1176 Siskiyou Along road near Horse Range Creek. 1341 Comment
  UC811441  Athyrium filix-femina var. cyclosorum John Thomas Howell 1939-8-3 14988 Siskiyou Spirit Lake; Marble Mts Comment
  CAS-BOT-BC66184  Athyrium filix-femina var. cyclosorum W. B. C. 1940-8-5 15407 Siskiyou in the Wagon Camp spring area 1737 Comment
  HSC4367  Atriplex rosea R. C. Wunner 1965-8-14 416 Siskiyou Lava Beds National Monument, Hovey Point. 1220 Comment
  CDA23336  Atriplex triangularis R. Pederson, G. Pederson 1979-9-26 112 Siskiyou Lower Klamath National Wildlife Refuge, Unit 3. Comment
  CDA23339  Atriplex triangularis T. C. Fuller 1963-8-27 11163 Siskiyou North shore of Klamath Lake, south side of Dorris-Tulelake Road, 12.4 miles west of Hatfield. 0 Comment
  CHSC35673  Balsamorhiza deltoidea R. E. Preston 1982-5-1 275 Siskiyou Above Irongate Reservoir, ca. 1/2 mi SE of Camp Creek Recreation Area, ca. 20 mi NE of Yreka. 716 Comment
  CAS-BOT-BC106546  Balsamorhiza deltoidea L. E. Smith 1914-4-25 641 Siskiyou Yreka Comment
  CAS-BOT-BC100049  Balsamorhiza hookeri Dorothy Parker 1951-5-20 s.n. Siskiyou on the summit of Scott Mountain 1630 Comment
  CAS-BOT-BC100060  Balsamorhiza lanata Geo. D. Butler 1910-4-9 1157 Siskiyou hill near Yreka Comment
  CDA16165  Balsamorhiza lanata G. F. Hrusa 1998-5-25 14472 Siskiyou Klamath Ranges; at +- Pioneer (1-2 mi N on Frontage Rd. of I-5), +-10 mi S of Weed, near Mt. Shasta city. 0 Comment
  CAS-BOT-BC100105  Balsamorhiza sagittata Elmer I. Applegate 1935-6-6 9383 Siskiyou Indian Well, Lava Beds National Monument Comment
  POM36318  Balsamorhiza terebinthacea Geo. D. Butler 1910-5-11 1337 Siskiyou Shasta Valley Comment
  CAS-BOT-BC16690  Barbarea orthoceras L. E. Smith 1914-5-5 653 Siskiyou Dunsmuir. Comment
  SBBG30532  Barbarea orthoceras D. Myrick 1968-6-24 1000 Siskiyou Mountain Meadow Ranch, Big Flat, Coffee Crk; Trinity Alps 1524 Comment
  RSA531146  Barbarea orthoceras M. B. Dunkle 1944-6-26 9037 Siskiyou Deer Creek Slope; Siskiyou Mtns. Beaver Creek. 1829 Comment
  HSC36930  Berberis aquifolium var. aquifolium J. P. Smith 1974-5-27 7596 Siskiyou Along USFS Rd. 47N03 1646 Comment
  HSC27230  Berberis aquifolium var. repens J. P. Smith, J. O. Sawyer 1971-9-18 4804 Siskiyou 0.2 mi. W of the jct. of Hwy. 3 and Rd. 8 N of Callahan. Comment
  HSC65094  Berberis aquifolium var. repens J. P. Smith 1973-5-5 6419 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC67762  Berberis aquifolium var. repens John Palmer 1980-8-15 973 Siskiyou NE of Seiad Low Gap on spur of F.S. Rd. 46N50 1098 Comment
  CAS-BOT-BC75725  Berberis nervosa Doris K. Kildale 1929-7-21 8744 Siskiyou Elk Lick, South Fork of Indian Creek. 1219 Comment
  CAS-BOT-BC75934  Berberis piperiana Geo. D. Butler 1910-8-1 1807 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC75997  Berberis pumila Laura M. Lathrop 1903-7-16 s.n. Siskiyou Shasta Retreat. Comment
  CAS-BOT-BC169488  Betula occidentalis W. R. Dudley 1901-8-26 s.n. Siskiyou Salmon Mountains Comment
  RSA233715  Betula occidentalis Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mts., Shasta-Trinity National Forest: ca. 15 air mi. SW of Weed along road to Kangaroo Lake. Comment
  UC796520  Betula occidentalis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11823 Siskiyou Plowman's (Noyes) Valley east fork of Scott River drainage, Parker Ranch 1203 Comment
  HSC69182  Bistorta bistortoides Maralyn A. Renner 1980-8-31 2638 Siskiyou Twin Valley. 1494 Comment
  CAS-BOT-BC127946  Blepharipappus scaber Geo. D. Butler 1909-5-10 697 Siskiyou Yreka Comment
  UC1278816  Blepharipappus scaber Louis C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek, Siskiyou Mountains Siskiyou Mountains, Cottonwood Creek 914 Comment
  RSA120894  Blepharipappus scaber Milo S. Baker 1957-6-16 13125 Siskiyou Scott Mountain. 1616 Comment
  RSA256697  Blepharipappus scaber J. P. Smith 1974-5-25 7506 Siskiyou Along road 8, 2.4 miles west of its junction with State Route 3. 976 Comment
  UCD15033  Boechera John M. Tucker 1963-7-7 3723 Siskiyou Marble Mountain Wilderness Area, vicinity of Paradise Lake at east base of King's Castle; 1981 Comment
  SEINET3166348  Boechera breweri subsp. shastaensis P. J. Alexander, C. D. Bailey 2009-4-2 980 -B Siskiyou East side of the Shasta River, E side of CA Hwy. 263, 4.2 miles NNE of central Yreka, 3.2 miles S of the jct. with CA Hwy. 96. 738 Comment
  CAS-BOT-BC13808  Boechera howellii Reed Rollins 1938-7-28 11373 Siskiyou Mount Shasta. North Ridges. 2743 Comment
  UC625509  Boechera pinetorum Frank W. Gould 1938-6-28 482 Siskiyou 3 mi n Mount Shasta (town) 1082 Comment
  CAS-BOT-BC14674  Boechera rectissima A. A. Heller 1916-6-23 12421 Siskiyou Near Black Butte north of Sisson. 1127 Comment
  CAS-BOT-BC25614  Boechera retrofracta John Thomas Howell 1939-8-3 14952 Siskiyou Marble Mountains. Spriit Lake. 1828 Comment
  UC166107  Boechera retrofracta Geo. D. Butler 1909-4-18 728 Siskiyou near Yreka Comment
  SEINET3132288  Boechera stricta G. D. Butler 1900-7-8 1164 Siskiyou Dryland, Loy Lake, Shackleford Creek. 1219 Comment
  CAS-BOT-BC25917  Boechera suffrutescens John Thomas Howell 1939-8-2 14941 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC25921  Boechera suffrutescens George Dexter Butler 1910-7-9 1705 Siskiyou Dryland Shackleford Creek. 1219 Comment
  CHSC88370  Bolboschoenus maritimus subsp. paludosus Jenny Marr 1993-7-1 176 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CHSC30252  Boschniakia strobilacea M. S. Taylor; B. Williams 1980-6-23 2944 Siskiyou N side in the forest of Cedar Lake, ca. 11 mi sw of Mt. Shasta City. 1737 Comment
  HSC96288  Boykinia major Gordon Leppig 1998-8-14 1009 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  CDA24166  Brasenia schreberi P. Zedeker 1964-7-28 Siskiyou Orr Lake, northwest of Bray. 0 Comment
  CAS-BOT-BC127861  Brickellia grandiflora John Thomas Howell 1939-8-4 15044 Siskiyou Marble Rim. Marble Mts. Comment
  SEINET5707332 Image available Brickellia greenei Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7693 Siskiyou Scott Mts. Collected along Road 17, 8.8 mi. SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1586 Comment
  POM50939  Brickellia greenei Alice Eastwood 1912-8-28 s.n. Siskiyou Cantara Comment
  SEINET10570676  Brodiaea A. Arthur Heller 1919-6-25 Heller 13265 Siskiyou Compton's parairie, north base of Mt. Eddy in the yellow pine belt, 3800 feet. An almost treeless grassy area, well watered by the small streams forming the Shasta River. Comment
  UCD57493  Bromus briziformis Mr. Roseman 1913-1 5 Siskiyou Butte Valley. Comment
  CHSC60566  Bromus carinatus var. carinatus L. P. Janeway 1983-8-16 550 Siskiyou Siskiyou Mountains; at Poker Flat. 1524 Comment
  JEPS72945  Bromus carinatus var. carinatus W. L. Jepson 1940-6-23 20017 Siskiyou 1 mi s of Andesite Station (n of Mount Shasta) 975 Comment
  JEPS74567  Bromus carinatus var. carinatus W. J. Ferlatte 1966-6-23 138 Siskiyou Trinity Alps, along the Yellow Rose Mine Trail Yellow Rose Mine Trail; Trinity Alps, Yellow Rose Mine Trail 1676 Comment
  HSC103031  Bromus diandrus J. P. Smith 2014-6-7 13889 Siskiyou Yreka 844 Comment
  CHSC86461  Bromus inermis subsp. inermis Jenny Marr 1993-7-1 78 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  UC70705  Bromus inermis subsp. inermis Jos. Burtt Davy June 1902 Siskiyou Sisson Comment
  HSC30540  Bromus orcuttianus Frederick W. Oettinger 1968-9-2 664 Siskiyou Marble Mountain Wilderness Area, on the SW side of Upper English Lake 1869 Comment
  HSC42950  Bromus orcuttianus J. O. Sawyer, Ken Stillman 1976-7-1 2776 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  HSC67810  Bromus orcuttianus J. O. Sawyer, J. Cole 1980-7-22 3958 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  HSC27036  Calamagrostis breweri J. P. Smith, J. O. Sawyer 1972-9-14 5813 Siskiyou W of Little Duck Lake 2073 Comment
  RSA239003  Calamagrostis breweri Frederick W. Oettinger 1968-8-2 354 Siskiyou South end of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  RSA238387  Calamagrostis canadensis Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1184 Siskiyou north of Tobacco Lake. Salmon Mountain; The High Lake Basins in the Vicinity of English Peak Marble Mountain Wilderness Area. 1890 Comment
  SEINET10520765  Calamagrostis canadensis Louis C. Wheeler 1935-7-26 Wheeler 3716 Siskiyou Wet sunny meadow. Jaynes Canyon, Siskiyou Mts. T47N R10W S12. Mt. Diablo Mer. 1951 Comment
  HSC22853  Calamagrostis koelerioides J. O. Sawyer 1969-8-4 1831 Siskiyou Above Sugar Lake 2134 Comment
  UC204771  Calamagrostis koelerioides Geo. D. Butler 1910-7-7 1661 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC112322  Calliscirpus criniger Doris K. Kildale 1929-7-21 8739 Siskiyou Elk Lick, South Fork of Indian Creek 1219 Comment
  SEINET8205872  Calliscirpus criniger J. W. Stacey 1940-6-6 15054 Siskiyou near springs along the shores of Castle Lake. 1676 Comment
  HSC45162  Callitropsis nootkatensis J. O. Sawyer, E. Cope 1977-6-20 2963 Siskiyou Behind Devil's Punchbowl 1829 Comment
  CAS-BOT-BC85730  Calocedrus decurrens Doris K. Kildale 1928-8-20 6639 Siskiyou Finley's Upper Camp, head of north fork Salmon River - trail to Marble Mt. Comment
  CAS-BOT-BC85732  Calocedrus decurrens Doris K. Kildale 1928-8-18 6432 Siskiyou North fork Salmon River - Finley Camp Comment
  CAS-BOT-BC85775  Calocedrus decurrens C. B. Wolf; E. R. Johnson 1934-10-8 6168 Siskiyou Modoc Lava Beds, 14.3 mi. E. of Fall River on rd. from Dana to Little Hot Springs Valley 1219 Comment
  HSC49916  Calocedrus decurrens Maralyn O'Meara 1974-5-25 396 Siskiyou Along road to Duck Lakes trail 1402 Comment
  JEPS77503  Calocedrus decurrens L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-17 4871 Siskiyou near Gazelle; near Gazelle 914 Comment
  SEINET10531061  Calocedrus decurrens Jeffrey Huber 1971-6-9 Huber 269 Siskiyou 3 mi N of Weed, on US Hwy 97; S facing 20.00.00 slope; roadside; in Pinus ponderosa, P. jeffreyi, and Artemisia tridentata and Purshia. 1128 Comment
  UC1076028  Calochortus coeruleus Herbert L. Mason 1947-5-17 14765 Siskiyou 5 mi s Callahan (on Scott Mountain Road) Comment
  CAS-BOT-BC487851  Calochortus coeruleus W. B. Cooke; V. G. Cooke 1946-6-17 17525 Siskiyou Along road below Wagon Camp, Mt. Shasta 1737 Comment
  RSA60629  Calochortus coeruleus I. L. Wiggins 1950-5-28 12383 Siskiyou Serpentine ridge just above Grouse lake (headwaters of Grouse Creek). 1738 Comment
  CAS-BOT-BC488617  Calochortus elegans var. nanus Elmer I. Applegate 1895-5-28 725 Siskiyou Sisson Comment
  CAS-BOT-BC132416  Calochortus greenei Marion Ownbey; D. H. Brown 1941-6-24 2431 Siskiyou About half way up south side of Black Mountain, north-east of Yreka Comment
  JEPS105051  Calochortus persistens Dean W. Taylor 1996-7-7 15800 Siskiyou Gunsight Peak (about 5 air miles northwest of Yreka); Klamath National Forest 1859 Comment
  HSC25479  Calochortus tolmiei J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5722 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  CAS-BOT-BC181511  Caltha leptosepala Harley P. Chandler 1901-6-1 1571 Siskiyou Ridges and meadows near Marble Mountain 1828 Comment
  CAS-BOT-BC273388  Calycadenia fremontii David D. Keck 1938-8-7 4851 Siskiyou Schoolhouse Hill, 5.5 m. NE of Callahan, on road to Gazelle 1100 Comment
  CAS-BOT-BC272744  Calycadenia truncata subsp. truncata Geo. D. Butler 1910-7-30 1801 Siskiyou Near Yreka Comment
  HSC46108  Calypso bulbosa J. P. Smith 1973-5-5 6468 Siskiyou Along Cook and Green Pass Rd. Comment
  RSA381905  Calypso bulbosa J. P. Smith 1973-5-5 6468 Siskiyou Along Cook and Green Pass road. Comment
  JEPS127643  Calyptridium monospermum Jurriaan M. de Vos 2014-7-10 313 Siskiyou Klamath NF. Along and just S of Pacific Crest Trail, ca. 250 m E from Cook and Green Pass (Forest Road 1055). Comment
  HSC4431  Calyptridium umbellatum William J. Ferlatte 1966-6-22 77 Siskiyou Josephine Lake Basin 1677 Comment
  UC796590  Calystegia occidentalis subsp. occidentalis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11865 Siskiyou 8 mi from summit Gazelle Mt. grade (e side); 8 mi from summit Gazelle Mt. grade 929 Comment
  RSA12608  Camelina microcarpa C. B. Wolf 1934-7-6 5977 Siskiyou 1/4 mile east of Mt. Shasta City, southwest slope of Mt. Shasta 1098 Comment
  HSC6617  Camelina microcarpa W. L. Jepson 1940-6-23 19984 Siskiyou ca. 2 mi. E of Montague 823 Comment
  CAS-BOT-BC160907  Camissonia tanacetifolia subsp. tanacetifolia A. A. Heller 1938-7-13 15265 Siskiyou Along U.S. Highway #97, just south of Bray 1402 Comment
  RSA264954  Campanula prenanthoides G. L. Clifton 1975-8-1 5048 Siskiyou Roadside. Near Cook and Green Pass; near Seiad Valley. 1463 Comment
  SEINET10462935  Campanula prenanthoides Clifton 1979-6-26 CLIFTON 5960 Siskiyou NR MERRILL CR., FORKS OF SALMON QUAD. NR ORLEANS 1152', COBBLY SOIL Comment
  SEINET10972387  Campanula prenanthoides Clifton 1979-8-12 CLIFTON 13992 Siskiyou SCOTT BAR QUAD. NR ISINGLASS LAKE 629', SLOPE, Comment
  SEINET10462857  Campanula prenanthoides Butler 1910-8-7 BUTLER 1815 Siskiyou HUMBUG MOUNTAIN 4000 Comment
  SEINET10463090  Campanula prenanthoides Howell 1937-7-26 Howell 13561 Siskiyou Between Big Flat and Caribou Gulch Comment
  SEINET10463161  Campanula prenanthoides Cyrus G. Pringle 1881-8-16 Pringle s.n. Siskiyou Comment
  CAS-BOT-BC227477  Campanula rotundifolia Dana York 2011-8-12 3043 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain 2075 Comment
  HSC77923  Campanula rotundifolia Wayne Rolle Aug 1983 Siskiyou 2012 Comment
  JEPS16325  Campanula scabrella Peter H. Raven 1956-9-4 10415 Siskiyou summit of Mount Eddy 2758 Comment
  SEINET10463371  Campanula scabrella Alice Eastwood 1912-8-30 Eastwood 2010 Siskiyou Mt. Eddy Comment
  HSC31121  Campanula scouleri J. O. Sawyer 1971-8-19 2452 Siskiyou On trail to Marble Valley near Lovers Camp. 1311 Comment
  SEINET10905977  Campanula scouleri David D. Keck 1938-8-6 Keck 4808 Siskiyou At Del Norte County line, Poker Flat, summit of Siskiyou Mountains, 4 miles south of Oregon line on road from Waldo to Happy Camp 1555 Comment
  SEINET10972096  Campanula scouleri Joseph W. Congdon 1900-8-10 Congdon s.n. Siskiyou NR. SISSON Comment
  LA204513  Campanula wilkinsiana Wm. Bridge Cooke; 1938-8-8 11665 Siskiyou Mount Shasta, along the streams in Squaw Valley Creek meadows 2438 Comment
  UC618772  Campanula wilkinsiana W. Bridge Cooke 1938-9-17 11698 Siskiyou around springs above Horse Camp (on summit trail); Mount Shasta, Horse Camp Springs Comment
  UC375294  Capsella bursa-pastoris Geo. D. Butler 1908-7-14 1047 Siskiyou around Yreka Comment
  UC166136  Cardamine nuttallii Geo. D. Butler 1900-6-4 1487 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC19761  Carex abrupta John Thomas Howell 1939-8-5 15066 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  SEINET7548183 Image available Carex abrupta Frederick W. Oettinger 1969-9-1 1577 Siskiyou High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area, sandy margin of Katherine Lake. 2027 Comment
  NY25676  Carex amplifolia H. E. Brown 1897-6-1 319 Siskiyou Near Sisson 1082.0 Comment
  HSC76853  Carex amplifolia L. P. Janeway 1982-6-22 20 Siskiyou Next to creek 15 m below road from West Branch Guard Station towards Indian Creek 671 Comment
  HSC76315  Carex aquatilis L. P. Janeway 1982-8-21 167 Siskiyou Upper Twin Valley 1585 Comment
  RSA215574  Carex aquatilis var. dives Al Hobart 1970-8-25 s.n. Siskiyou Wet ground beside a small lake, northwestern Siskiyou County. 1524 Comment
  UCD140145  Carex athrostachya William E. Moon 1958-5-29 s.n. Siskiyou Vernal pond, State Hwy. 97, southwest of Hebron Summit. 1524 Comment
  UC144466  Carex bolanderi A. A. Heller 1905-6-13 8025 Siskiyou near Shasta Springs Comment
  HSC61112  Carex bolanderi Ruby Van Deventer Aug 1955 Siskiyou FS 17N04, road to Doe Flat 1220 Comment
  RSA739864  Carex breweri L. P. Janeway, B. Castro 2007-7-29 9141 Siskiyou High Cascade Range, Medicine Lake Highlands, Pumice Stone Mtn 2054 Comment
  SEINET7552954 Image available Carex breweri Robert F. Thorne, Fred Oettinger 1969-8-10 38982 Siskiyou Mt. Shasta National Forest; S slope of Mt. Shasta. 2377 Comment
  CAS-BOT-BC34881  Carex deflexa var. boottii John Thomas Howell 1939-8-3 15007 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  HSC101885  Carex echinata subsp. echinata Dana York 2011-9-9 3095 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  HSC67677  Carex echinata subsp. echinata John Palmer 1980-7-24 598 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC29643  Carex echinata subsp. echinata Frederick W. Oettinger 1968-8-3 372 Siskiyou Marble Mountains Wilderness Area, High Lake Basins, at 'Base Camp Meadow,' midway down Diamond Lake- Hancock Lake Trail 2012 Comment
  SEINET7559377 Image available Carex fracta Frederick W. Oettinger 1968-8-5 729 Siskiyou Salmon Mountains. Springy area 2/3's of the way up the English Lake-Diamond Lake Trail. Comment
  HSC48021  Carex globosa D. H. Norris 1972-6-11 22844 Siskiyou Along Duck Lakes trail near Parrott's Mill Road 1677 Comment
  JEPS95113  Carex halliana Vernon Oswald and Lowell Ahart 1997-7-28 8798 Siskiyou s of Schonchin Spring Campground at Medicine Lake Medicine Lake 2057 Comment
  CAS-BOT-BC320477  Carex hassei Peter F. Zika; Barbara Wilson 2011-7-31 25668 Siskiyou FS Road 41N03, 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) 1600 Comment
  HSC76387  Carex hassei L. P. Janeway 1982-7-2 32 Siskiyou Poker Flat, end of FS Rd. 18N33 1524 Comment
  HSC97427  Carex hoodii Jennifer Whipple 1977-7-22 2031 Siskiyou SW of Dobkins Lake along the drainage into the lake 2195 Comment
  RSA13866  Carex hoodii L. C. Wheeler 1934-7-2 2841 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts. 1280 Comment
  CAS-BOT-BC7600  Carex inops subsp. inops 1938-7-22 11331 Siskiyou Mt. Shasta. 1981 Comment
  UC1265329  Carex integra Frederick W. Oettinger 1969-8-4 1175 Siskiyou Tobacco Lake Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  CAS-BOT-BC7616  Carex interior Elmer Ivan Applegate 1895-5-28 785 Siskiyou Sisson, Strawberry Valley. Comment
  HSC39390  Carex interior J. O. Sawyer 1969-8-5 1954 Siskiyou Above the S Fork of Sugar Creek 1814 Comment
  CAS-BOT-BC35476  Carex jonesii A. A. Heller 1922-7-15 13708 Siskiyou Medicine Lake 2133 Comment
  HSC505  Carex jonesii William J. Ferlatte 1967-6-27 531 Siskiyou Big Flat, between campground and S Fork of the Salmon River 1524 Comment
  HSC39255  Carex laeviculmis J. O. Sawyer 1968-7-10 511 Siskiyou On Sugar Creek just above confluence with S Sugar Creek 1707 Comment
  CAS-BOT-BC31309  Carex lenticularis var. impressa Clare B. Hardham 1965-8-20 13011 Siskiyou Cudahy Lakes, Marble Mts. Paso Robles Comment
  CHSC40182  Carex lenticularis var. impressa L. P. Janeway 1982-8-13 123 Siskiyou Bench above and on ne side of Bear Cr near trail. 1615 Comment
  CAS-BOT-BC28428  Carex lenticularis var. lipocarpa William Bridge Cooke 1939-7-7 13613 Siskiyou In the bog formed by the lower Wagon Camp springs. 1737 Comment
  SEINET7564650 Image available Carex lenticularis var. lipocarpa Frederick W. Oettinger 1968-9-9 801 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, Tom's Lake. 2012 Comment
  SEINET7564731 Image available Carex lenticularis var. lipocarpa Frederick W. Oettinger 1968-9-7 750 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, at water's edge, north side of Hancock Lake. 2042 Comment
  HSC76393  Carex luzulina L. P. Janeway 1982-8-15 143 Siskiyou Below Echo Lake 1646 Comment
  SEINET3903104  Carex luzulina Wayne Rolle 1993-7-10 630 Siskiyou Poker Flat.; 0 1524 Comment
  UC1608360  Carex luzulina var. ablata J. Kierstead 1991-7-3 91 -93 Siskiyou Fawn Creek Meadow Shasta-Trinity National Forests, Mt. Shasta Ranger Dist. 1828 Comment
  HSC60834  Carex mertensii Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC48043  Carex microptera D. H. Norris 1972-6-12 22918 Siskiyou Along road to Jackson Lake, 3.5 mi. W of Callahan to Cecilville Hwy. Comment
  CHSC115879  Carex multicaulis Peter F. Zika 2012-5-18 25888 Siskiyou Near Dunsmuir Avenue, S end of town of Dunsmuir, 3.6 air km SE of Mount Bradley, Klamath Range. 730 Comment
  RSA724913  Carex multicaulis L. P. Janeway 2006-7-2 8730 Siskiyou Klamath Ranges: Salmon Mountains; Near minor drainage to South Fork Scott River from the west, 1.6 km north of Carter Meadows Summit. 1728 Comment
  SD130933  Carex multicaulis John Thomas Howell 1937-7-26 13556 Siskiyou Caribou Gulch. Comment
  CAS-BOT-BC32013  Carex multicaulis R. E. Frenkel 1964-7-13 697 Siskiyou On Everitt Memorial Hwy near Mt. Shasta, 0.4 mi N of McCloud River RR crossing. 1176 Comment
  HSC76788  Carex multicaulis L. P. Janeway 1982-8-21 169 Siskiyou Old dirt road between Poker Flat and Twin Valley, near Twin Valley 1463 Comment
  UC1359 Image available Carex multicostata W. H. Brewer 1862-9-13 1398 Siskiyou Mt. Shasta 2133 Comment
  UCD77481  Carex multicostata Robert E. Preston 2001-7-21 1717 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2042 Comment
  CAS-BOT-BC119897  Carex nebrascensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11818 Siskiyou East fork of Scott River drainage, Parker Ranch, Plowman's (Noyes) Valley 1203 Comment
  JEPS113332  Carex nervina L. P. Janeway 2006-7-3 8755 Siskiyou Klamath Ranges. Salmon Mountains; Music Creek Trailhead near upper Music Creek. Comment
  SEINET7568940 Image available Carex nigricans Unknown 1969-8-10 38950 Siskiyou Mt. Shasta National Forest, S slope of Mt. Shasta, Panther Creek Meadows. 2195 Comment
  UC1265347  Carex nigricans Frederick W. Oettinger and R. F. Thorne 1969-8-6 1261 Siskiyou w Tom's Lower Pond; Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  CAS-BOT-BC119473  Carex nudata L. P. Janeway 1983-7-30 463 Siskiyou Hornbrook quad. Along the N side Klamath River. 586 Comment
  UC1265300  Carex pachycarpa Frederick W. Oettinger and R. F. Thorne 1969-8-6 1244 Siskiyou Pine Lake Meadows Salmon Mountains, Marble Mountain Wilderness 1844 Comment
  CHSC40202  Carex pachystachya L. P. Janeway 1983-8-27 622 Siskiyou South end and sl above dry bed of vernal pond. Near the Twin Valley/Poker Flat trail. 1676 Comment
  CHSC96159  Carex pachystachya L. P. Janeway 2006-7-1 8717 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow, north side of South Fork Salmon River. Small open dry meadow along road with seepy ditch along upper road edge. 1579 Comment
  JEPS63701  Carex pellita W. L. Jepson 1914-8-13 5792 Siskiyou Sisson 1097 Comment
  CAS-BOT-BC118930  Carex pellita T. C. Fuller 1964-10-7 12686 Siskiyou Roadside ditch, E side of Hwy 99, S limits of Weed. Comment
  CAS-BOT-BC118934  Carex pellita Elmer Ivan Applegate 1895-5-28 787 Siskiyou Sacramento River below Sisson. Comment
  CHSC106316  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) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  UCD77470  Carex raynoldsii Robert E. Preston 2002-6-21 1868 Siskiyou Klamath National Forest, Rainbow Mountain, S slope, N of Trout Creek 1659 Comment
  HSC29657  Carex rossii Frederick W. Oettinger, R. F. Thorne 1969-8-5 1217 Siskiyou Marble Mtn. Wilderness Area, open ridge top near Crapo Peak at Crapo View Gap Comment
  UCR52392  Carex rostrata L. P. Janeway 1982-7-2 37 Siskiyou Poker Flat, at bottom of the break between the upper & lower portions of the meadow 1524 Comment
  HSC39302  Carex rostrata J. O. Sawyer 1969-8-1 1598 Siskiyou Behind Horseshoe Lake 1921 Comment
  HSC91237  Carex scabriuscula Jennifer Whipple 1976-6-30 1215 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  HSC30528  Carex scopulorum Frederick W. Oettinger 1969-8-19 1455 Siskiyou Marble Mtn. Wilderness Area, Abbott's Basin 1905 Comment
  HSC39278  Carex scopulorum J. O. Sawyer 1968-7-22 553 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC39283  Carex scopulorum J. O. Sawyer 1969-6-13 944 Siskiyou W of Little Duck Lake 2043 Comment
  HSC96604  Carex scopulorum var. bracteosa Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-19 485 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  SEINET7575204 Image available Carex serratodens David Castaner 1989-6-19 10241 Siskiyou Along Highway 3, between Callahan and Gazelle. Comment
  RSA211371  Carex spectabilis William J. Ferlatte 1967-8-21 1066 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake. Trinity Alps. 2287 Comment
  CAS-BOT-BC117344  Carex stipata William Bridge Cooke 1940-6-8 15121 Siskiyou In meadow in Mount Shasta City. 1082 Comment
  JEPS109254  Carex stipata var. stipata D. W. Taylor 2003-8-12 18670 b Siskiyou Weed, growing along Boise Creek near the Hwy 97 bridge. Comment
  SEINET4292103 Image available Carex straminiformis Unknown 2006-1 8776 Siskiyou Klamath Ranges. Salmon Mountains; south side of upper Carter Meadows 0.5 km west of Carter Meadows Summit. Comment
  CAS-BOT-BC115838  Carex subfusca Alice Eastwood 1921-7-28 10939 Siskiyou Medicine Lake. Comment
  CAS-BOT-BC115851  Carex subfusca William Bridge Cooke 1940-7-5 15272 Siskiyou In the sedge swamp at Wagon Camp. 1737 Comment
  CAS-BOT-BC59702  Cassiope mertensiana W. R. Dudley 1901-8-24 s.n. Siskiyou Foxtail Ridge, Salmon Mts. Comment
  CAS-BOT-BC248987  Castilleja Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  HSC19024  Castilleja applegatei J. O. Sawyer 1969-7-17 1129 Siskiyou S facing upper slope E of Waterdog Lake 2165 Comment
  HSC19030  Castilleja applegatei subsp. pinetorum J. O. Sawyer 1969-6-11 846 Siskiyou Above C.C.C. road. 1287 Comment
  JEPS6838  Castilleja applegatei subsp. pinetorum H. A. Thomas and J. H. Thomas 1954-7-25 4540 Siskiyou about 8 mi e Cecilville (along Rush Creek, below Rush Creek Meadow); Salmon-Trinity Mts. Boundary, Rush Creek 1676 Comment
  SBBG6734  Castilleja applegatei subsp. pinetorum H. and M. Dearing 1939-6-4 3545 Siskiyou neer Weed Comment
  CAS-BOT-BC241148  Castilleja applegatei subsp. pinetorum Ella Dales Cantelow 1940-6-2 4381 Siskiyou W. of Indian Wells Ranger St. on rd. to Tenet Comment
  JEPS36500  Castilleja applegatei subsp. pinetorum Edward J. O'Neill 1964-8-1 Siskiyou Upper Klamath Unit No. 1, Oregon-California boundary Klamath Basin National Wildlife Refuge Comment
  CAS-BOT-BC243745  Castilleja applegatei var. pinetorum A. A. Heller 1905-6-15 8033 Siskiyou Near Sisson Comment
  CAS-BOT-BC243768  Castilleja applegatei var. pinetorum Elmer I. Applegate 1935-6-6 9378 Siskiyou Hippo Butte, Lava Beds National Monument Comment
  CAS-BOT-BC243771  Castilleja applegatei var. pinetorum A. A. Heller 1916-6-20 12398 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1188 Comment
  SEINET13737231  Castilleja arachnoidea G. D. Butler 1910-7-8 1684 Siskiyou Shackleford Creek. 1829 Comment
  HSC12268  Castilleja arachnoidea Richard Spjut 1970-7-24 891 Siskiyou Mt. Shasta above ski lodge 2591 Comment
  HSC61963  Castilleja arachnoidea Al Hobart Siskiyou Preston Peak Comment
  JEPS9986  Castilleja attenuata Geo. D. Butler 1909-5-22 717 Siskiyou near Yreka Comment
  CAS-BOT-BC253612  Castilleja miniata H. A. Thomas; J. H. Thomas 1954-7-25 4533 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville. 1981 Comment
  HSC77011  Castilleja miniata K. T. Stillman 1976-7-7 163 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  JEPS74146  Castilleja miniata J. M. Tucker 1974-7-27 4304 Siskiyou on bank Haypress Creek (Haypress Meadows); Marble Mountain Wilderness Area, Haypress Meadows 1463 Comment
  SEINET14063111  Castilleja miniata G. D. Butler 1910-7-9 1692 Siskiyou Shackleford Creek. 1219 Comment
  CAS-BOT-BC254023  Castilleja miniata J. M. Tucker 1963-8-17 3740 Siskiyou Edge of Red Rock Creek, in vicinity of cabin; lower Red Rock Valley, Marble Mountain Wilderness Area 1493 Comment
  JEPS77504  Castilleja minor subsp. minor L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-18 4872 Siskiyou 9 air mi e Montague (w of Table Rock); w of Table Rock 853 Comment
  HSC20547  Castilleja pilosa R. C. Wunner 1965-6-7 131 Siskiyou Lava Beds N.M., Dragon Head Cave 1364 Comment
  JEPS82455  Castilleja pruinosa Gilbert Muth 1966-7-14 394 B Siskiyou s of Marble Valley (Marble); Marble Mt. Wilderness Area 1792 Comment
  UC1409379  Castilleja pruinosa Frederick W. Oettinger 1968-8-2 368 Siskiyou ne of Diamond Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, English P 2087 Comment
  UC673222  Castilleja pruinosa Lincoln Constance and Reed C. Rollins 1942-5-14 2935 Siskiyou 6 mi n Yreka; Shasta River 762 Comment
  UC705754  Castilleja pruinosa Marion Ownbey, Fred G. Meyer 1940-7-7 2218 Siskiyou Summit of Cayenne Ridge; Marble Mountain Comment
  HSC76870  Castilleja pruinosa K. T. Stillman 1976-9-9 468 Siskiyou Marble Mountain Wilderness Area, Marble Valley Guard Station. 1738 Comment
  CAS-BOT-BC241085  Castilleja schizotricha G. J. Muth 1969-8-6 1209 Siskiyou Boulder Peak 2529 Comment
  HSC58954  Castilleja schizotricha Gilbert Muth 1975-7-31 4469 Siskiyou Near Kangaroo Mtn., close to the town of Seiad Valley 1920 Comment
  UC922484  Castilleja schizotricha Annie M. Alexander and Louise Kellogg 1949-7-22 5840 Siskiyou Paradise Lake Marble Mountains (trail to Kings Castle, top of ridge) 2072 Comment
  CAS-BOT-BC48702  Ceanothus cordulatus A. A. Heller 1905-6-16 8051 Siskiyou Near Sisson 1219 Comment
  LA44195  Ceanothus cordulatus Wm. Bridge Cooke; 1939-7-14 13674 Siskiyou Mount Shasta, along the Sisson Southern Trail 1219 Comment
  POM332457  Ceanothus cuneatus J. P. Smith 1973-5-5 6524 Siskiyou Scott Bar along the Scott River. Comment
  RSA256607  Ceanothus cuneatus J. P. Smith 1974-5-25 7398 Siskiyou Along road 8, 0.9 miles from its jct with State Route 3. 976 Comment
  RSA399046  Ceanothus cuneatus Bonnie C. Templeton 1960-6-21 8534 Siskiyou Between California State line and the Agricultural Inspection Station Comment
  CAS-BOT-BC63604  Ceanothus integerrimus W. B. C. 1940-6-6 15030 Siskiyou Common along Castle Lake Rd. about half way from the Box Canyon to the lake. 1371 Comment
  HSC99931  Ceanothus integerrimus J. P. Smith, & J. O. Sawyer 2011-7-31 13350 Siskiyou Sugar Creek Trail W of Callahan 1463 Comment
  JEPS42444  Ceanothus integerrimus Geo. D. Butler 1908-6-22 411 Siskiyou near Yreka (Butler Ranch) Comment
  UC144555  Ceanothus integerrimus A. A. Heller 1905-6-1 7926 Siskiyou Between Dunsmuir and Upper Soda Springs Comment
  UCD170339  Ceanothus integerrimus D. O. Burge 2016-11-11 2198 Siskiyou Weed area, roadside on Interstate 5. 955 Comment
  UCR37521  Ceanothus integerrimus var. californicus Brian Kearney, P. Williams, Mike Malamus 1984-5-26 41 Siskiyou 10.6 m north of Indian Scotty Campground on Scott River Road 610 Comment
  POM126443  Ceanothus integerrimus var. puberulus Lewis C. Rosenbaum 1916-7-7 s.n. Siskiyou Shasta Springs. Comment
  JEPS42258  Ceanothus prostratus Willis L. Jepson July 1894 14381 Siskiyou near Sisson (Upton); Upper Sacramento River Comment
  UC375365  Ceanothus prostratus Geo. D. Butler 1909-6-23 903 Siskiyou foothills of Goosenest Mountain Comment
  CHSC4520  Ceanothus velutinus J. E. Bowlin 1967-7-18 43 Siskiyou Beside the road, ca. 3.4 mi w of Mount Shasta Ski Bowl. 2164 Comment
  JEPS42166  Ceanothus velutinus Geo. D. Butler 1909-6-22 904 Siskiyou Goosenest Mt. Comment
  JEPS42384  Ceanothus velutinus W. L. Jepson July 1894 14014 Siskiyou Sisson Comment
  JEPS74494  Ceanothus velutinus W. J. Ferlatte 1966-6-23 148 Siskiyou Big Flat Trinity Alps (near a public camp) 1524 Comment
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May 9 2008
  JEPS89110  Ceanothus velutinus W. L. Jepson 1940-6-23 20018 Siskiyou 1 mi s Andesite (n of Mt. Shasta) 975 Comment
  SJSU6540  Ceanothus velutinus R. W. Trivelpiece 1973-6-22 154 Siskiyou on trail to Big Duck & Little Duck L, Scott R drainage c. 7 mi W of Callahan 1920 Comment
  UC163728  Ceanothus velutinus Geo. D. Butler 1909-6-22 904 Siskiyou foothills Goosenest Mountain; foothills of Goosenest Mountain Comment
  RSA398980  Ceanothus velutinus Bonnie C. Templeton 1957-6-21 s.n. Siskiyou On the road up to Mt. Shasta. Comment
  HSC26900  Centaurea cyanus J. P. Smith, J. O. Sawyer 1971-9-18 4797 Siskiyou Hwy. 3, between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  HSC40224  Centaurea cyanus J. P. Smith 1976-5-22 8791 Siskiyou Near County Dump in Scott Valley between Callahan and Etna 1037 Comment
  JEPS117463  Centaurea solstitialis Lowell Ahart, John Dittes 2010-7-30 16947 Siskiyou About 200 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  HSC67015  Centaurea solstitialis J. P. Smith, Steve Selva 1970-7-16 4403 Siskiyou 1 mi. E of O'Neill Campground 579 Comment
  HSC2177  Centromadia fitchii L. C. Wheeler 1934-10-6 3309 Siskiyou Shasta Valley 2 mi. SE of Yreka 854 Comment
  JEPS64315  Cephalanthera austiniae W. L. Jepson 1902-7-22 2090 a Siskiyou trail from Salmon Forks Salmon Summit; w. Siskiyou, Salmon Summit 1981 Comment
  CHSC95105  Cerastium arvense L. P. Janeway 2006-7-2 8736 Siskiyou Klamath Ranges. Salmon Mountains; east side of Trail Gulch (Creek) about 100 m south of its mouth at South Fork Salmon River (and Carter Meadow). Edge of large moist meadow. 1585 Comment
  CDA3355  Cerastium dichotomum M. V. Maxwell 1961-5-1 Siskiyou 5 miles east of Montague. Comment
  CAS-BOT-BC384988  Cerastium dichotomum M. V. Maxwell 1961-5-10 s.n. Siskiyou 5 miles east of Montague 807 Comment
  UC375337  Cerastium glomeratum Geo. D. Butler 1909-4-14 636 Siskiyou fields near Yreka Comment
  RSA576947  Ceratophyllum demersum L. C. Wheeler 1934-6-3 22625 Siskiyou Cherry Flat, Klamath River; Siskiyou Mts. Mt. Diablo Mer. 518 Comment
  UC114149  Cercocarpus betuloides var. macrourus T. S. Brandegee 1887-1 Siskiyou Edgewood Comment
  HSC18571  Cercocarpus ledifolius R. C. Wunner 1965-7-15 393 Siskiyou Lava Beds NM, Indian Wells near N Prefab 1433 Comment
  RSA211465  Cercocarpus ledifolius William J. Ferlatte 1967-7-26 762 Siskiyou NW side of Caribou Mtn. Trinity Alps. 1829 Comment
  SEINET9368213  Cercocarpus ledifolius var. intermontanus Unknown 2009-5-31 Siskiyou High elevation, semi-arid desert ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  CAS-BOT-BC148516  Cercocarpus ledifolius var. ledifolius John Thomas Howell 1937-7-25 13467 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC148530  Cercocarpus ledifolius var. ledifolius W. R. Dudley 1899-8-22 s.n. Siskiyou Crest of Craggy Peak Comment
  POM208295  Chaenactis carphoclinia L. C. Wheeler 1934-6-15 2715 Siskiyou Hungry Creek, Siskiyou Mts. 1280 Comment
  CAS-BOT-BC276766  Chaenactis douglasii var. douglasii W. B. Cooke; V. G. Cooke 1965-7-12 35177 Siskiyou Bolam Road, Mount Shasta Comment
  HSC92684  Chaenactis douglasii var. douglasii Jennifer Whipple 1976-7-14 1471 Siskiyou SE slope of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  JEPS34210  Chaenactis douglasii var. douglasii W. L. Jepson 1940-7-1 20073 Siskiyou 6 mi e of McCloud (Fowlers Camp); McCloud River 944 Comment
  UC1170098  Chaenactis douglasii var. douglasii unknown 1956-7-16 30293 Siskiyou above Hotlum Station (along old loggin road; n side of Mount Shasta); Mount Shasta 1524 Comment
  CAS-BOT-BC276472  Chaenactis douglasii var. douglasii Palmer Stockwell 1939-8-10 13872 Siskiyou Mount Shasta. Between Squaw Valley Creek and Mud Creek Canyon Comment
  CAS-BOT-BC141585  Chamaebatiaria millefolium Oliver V. Matthews 1939-7-13 35 Siskiyou Goose Nest Grove-Goose [Gosse] Nest Region 1828 Comment
  HSC18589  Chamaebatiaria millefolium R. C. Wunner 1965-7-9 355 Siskiyou California Lava Beds National Monument; 60 yds. from Black Crater Trail jct. on trail to Hardin Butte Trail 1341 Comment
  RSA11806  Chamaebatiaria millefolium Elmer I. Applegate 1915-9-20 3323 Siskiyou Captain Jack's Stronghold, Modoc Lava Beds, near S shore of Tule Lake. Comment
  UCD102286  Chamaesaracha nana Daniel Sanchez-Mata; S. Rivas-Martinez, A. Penas and Sara del Rio 2011-7-16 s.n. Siskiyou Mount Shasta. Everett Memorial Highway to Mount Shasta. 2010 Comment
  UCSB15883  Chamaesaracha nana Breedlove, Dennis 1952-6-11 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Range 1127 Comment
  HSC43153  Chamaesyce glyptosperma Ken Stillman 1976-8-24 430 Siskiyou Along the Klamath River at Williams Point 366 Comment
  JEPS52362  Chamaesyce serpyllifolia Geo. D. Butler 1908-8-15 70 Siskiyou near Yreka; McNulty Ranch Comment
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May 7 2008
  HSC77087  Chamerion angustifolium subsp. circumvagum K. T. Stillman 1976-7-30 332 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  CAS-BOT-BC68236  Cheilanthes gracillima W. R. Dudley 1899-8-9 s.n. Siskiyou Black Butte Comment
  CAS-BOT-BC68241  Cheilanthes gracillima G. J. Muth 1969-8-6 1193 Siskiyou Boulder Peak 2529 Comment
  CAS-BOT-BC68250  Cheilanthes gracillima J. H. Thomas 1954-5-14 4173 Siskiyou Salmon Mountains, Klamath National Forest - Near South fork of Salmon River, 5 to 9 miles souteast of Cecilville, 1219 Comment
  HSC373  Cheilanthes gracillima William J. Ferlatte 1966-6-22 117 Siskiyou Josephine Lake Basin 1677 Comment
  HSC69638  Cheilanthes gracillima Maralyn A. Renner 1980-6-26 1272 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  POM255830  Cheilanthes gracillima Marion Ownbey, Ruth P. Ownbey 1938-7-19 1754 Siskiyou Summit of the Siskiyou Mountains, 2.5 miles northwest of Dry Lake Lookout Comment
  UC811572  Cheilanthes gracillima A. A. Heller 1916-7-20 12470 Siskiyou near Wagon Creek Falls (e side Mt Eddy); Mt Eddy 1524 Comment
  CAS-BOT-BC68217  Cheilanthes gracillima Volney Rattan 1884-6-19 s.n. Siskiyou Black Butte Comment
  HSC29473  Cheilanthes gracillima Frederick W. Oettinger 1968-8-5 405 Siskiyou Marble Mtn. Wilderness Area, 'Shasta Ridge' between Diamond Lake and English Peak 2073 Comment
  RSA685758  Cheilanthes gracillima May N. Ackley 1932-07 51 Siskiyou Casile Lake Comment
  UC851002  Chenopodium album A. A. Heller 1915-8-24 12212 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  SEINET5764325 Image available Chenopodium botrys A. A. Heller 1916-1 12564 Siskiyou near Sisson 1074 Comment
  CAS-BOT-BC451439  Chimaphila menziesii Alice Eastwood 1912-7-15 1114 Siskiyou McCloud Comment
  CAS-BOT-BC451443  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
  CAS-BOT-BC452287  Chimaphila umbellata H. A. Thomas; J. H. Thomas 1954-7-21 4422 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1219 Comment
  HSC19322  Chimaphila umbellata J. O. Sawyer 1968-9-9 661 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  UC1483532  Chimaphila umbellata John Palmer 1980-8-12 687 Siskiyou s.e. Wards Gap; Klamath Nat'l Forest, Condry Mt. Quad. 1188 Comment
  UC876100  Chimaphila umbellata John Thomas Howell 1939-8-5 15068 Siskiyou Marble Mts., Spirit Lake 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
  RSA467022  Chimaphila umbellata subsp. occidentalis M. B. Dunkle 1944-8-25 9170 Siskiyou Hungry Creek. 1829 Comment
  CAS-BOT-BC498814  Chlorogalum pomeridianum Doris K. Kildale 1929-7-20 8651 Siskiyou trail up South Fork Indian Creek to Elk Lick. Comment
  POM207242  Chrysolepis chrysophylla Marion Ownbey, Fred G. Meyer 1940-7-7 2213 Siskiyou Cayenne Ridge, Marble Mountain. Comment
  SEINET13952977 Image available Chrysolepis chrysophylla F. J. Hermann 1972-1 24813 Siskiyou Rocky slope in open white fur woods on Sawyer's Bar Rd., alt 6,000 ft., 9 miles southwest of Etna. 0 Comment
  HSC100196  Chrysolepis chrysophylla var. minor J. P. Smith, & J. O. Sawyer 2011-9-5 13420 Siskiyou Along Klamath National Forest Service Road 45N28, 0.2 mi. W of junction with Yreka-Walker Road. 1474 Comment
  CAS-BOT-BC36239  Chrysolepis sempervirens C. H. Merriam 1898-9-28 s.n. Siskiyou Sisson Comment
  HSC4938  Chrysolepis sempervirens J. O. Sawyer 1968-6-25 331 Siskiyou 1646 Comment
  HSC67795  Chrysolepis sempervirens J. O. Sawyer, J. Cole 1980-7-21 3897 Siskiyou Near Haight Mtn. along USFS Rd. running S-SW 1939 Comment
  UC1096787  Chrysolepis sempervirens Milo S. Baker 1957-6-16 13143 Siskiyou from turn-off near Callahan (trip to Scott Mountain); North Coast Ranges Comment
  RSA120851  Chrysolepis sempervirens H. K. Wagnon 1957-8-11 1690 Siskiyou East slope of Mt. Shasta on rd. to Brewer Cr., 3 mi. W of Military Pass Rd. 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
  SJSU3017  Chrysothamnus viscidiflorus subsp. viscidiflorus J. W. Tilden 1967-8-21 1768 Siskiyou 2 mi N of Weed Comment
  CAS-BOT-BC279846  Cichorium intybus Nancy Ryan Zabriskie; Walter Zabriskie 1973-6-10 675 Siskiyou Hwy 96 along the Klamath River above Doggett Creek bridge 609 Comment
  JEPS15739  Cicuta douglasii Willis L. Jepson July, 1894 14231 Siskiyou by stage-road n of Sisson (Mount Shasta); Mount Shasta Comment
  SD76166  Cicuta maculata var. maculata Helen V. Witham 1969-10-7 586 Siskiyou along Scott River 700 Comment
  CAS-BOT-BC190005  Cinna latifolia J. M. Tucker 1963-8-19 3775 Siskiyou Marble Mountain Wilderness. Headwaters of Canyon Creek. 1950 Comment
  HSC19236  Circaea alpina subsp. pacifica J. O. Sawyer 1969-7-23 1183 Siskiyou Along road near Horse Range Creek. 1341 Comment
  CAS-BOT-BC278037  Cirsium cymosum John Thomas Howell 1952-6-14 28336 Siskiyou Near Yreka Comment
  CAS-BOT-BC278040  Cirsium cymosum John Thomas Howell 1952-6-15 28358 Siskiyou Yreka Comment
  CAS-BOT-BC278041  Cirsium cymosum John Thomas Howell 1952-6-15 28358 Siskiyou Yreka Comment
  CAS-BOT-BC278044  Cirsium cymosum Marion Ownbey; S. J. Preece, Jr. 1952-6-25 3347 Siskiyou West of Yreka Comment
  RSA0070596  Cirsium cymosum S. O. Mattoon 1979-5-26 98 Siskiyou Crawford Creek on Eddy Gulch L. O. Road, 2 road miles north of Cecilville, Salmon Mts. 610 Comment
  CAS-BOT-BC32850  Cirsium douglasii var. breweri Alice Eastwood 1912-7-17 1199 Siskiyou Sisson Comment
  CDA1325  Cirsium occidentale var. candidissimum T. C. Fuller 1958-6-18 1793 Siskiyou 2 mi. W of town of Klamath River. Roadside Hwy 96 above river. Comment
  OBI53783  Cirsium occidentale var. candidissimum David J. Keil 1992-7-20 23475 Siskiyou 10.3 mi W of Fort Jones along Scott River rd; above Scott river 900 Comment
  RSA50183  Cirsium occidentale var. candidissimum E. K. Balls 1949-7-8 13924 Siskiyou Between Callahan and Etna 915 Comment
  CAS-BOT-BC288769  Cirsium remotifolium John Thomas Howell 1937-7-22 13311 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC288775  Cirsium remotifolium Geo. D. Butler 1908-8-4 335 Siskiyou W Fork of Wooley Creek Comment
  HSC26708  Cirsium remotifolium William J. Ferlatte 1971-9-18 1373 Siskiyou Big Flat near public campground 1524 Comment
  CAS-BOT-BC228956  Cistanthe umbellata Doris K. Kildale; J. W. Gillespie 1929-6-22 8038 Siskiyou Base of Black Butte, Mt Shasta Comment
  CAS-BOT-BC163457  Clarkia purpurea subsp. quadrivulnera L. B. Kildale 1930-6-1 9699 Siskiyou Salmon River between Forks of Salmon & Somes Bar Comment
  CAS-BOT-BC164966  Clarkia rhomboidea H. A. Thomas; J. H. Thomas 1954-7-27 4554 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
  HSC64528  Clarkia rhomboidea J. P. Smith, Steve Selva 1970-6-16 3998 Siskiyou 5 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1189 Comment
  HSC76980  Claytonia cordifolia K. T. Stillman 1976-6-25 72 Siskiyou Marble Mtn. Wilderness Area 1799 Comment
  CAS-BOT-BC292669  Claytonia obovata Ira L. Wiggins 1950-5-28 12393 Siskiyou 0.3 miles west of Carmen Lake 1706 Comment
  UC618652  Claytonia palustris W. Bridge Cooke 1938-6-24 11182 Siskiyou Bear Springs Mount Shasta (along creeks in the meadow of Bear Springs) Comment
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Sep 27 2006
  RSA469310  Claytonia rubra M. B. Dunkle 1944-7-15 906 Siskiyou Siskiyou Nart l Forest. 1768 Comment
  CHSC71314  Claytonia rubra subsp. depressa Vernon H. Oswald; Lowell Ahart 1998-6-11 9219 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sam Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  JEPS94258  Claytonia rubra subsp. depressa Vernon H. Oswald and Lowell Ahart 1998-6-11 9219 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
  UC144454  Claytonia rubra subsp. rubra A. A. Heller 1905-6-1 7924 Siskiyou between Dunsmuir and Upper Soda Springs (not far from the railroad) 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
  SEINET7042821  Claytonia rubra subsp. rubra A. G. Vestal 1955-5-16 s.n. Siskiyou Open pine country just west of Weed between railroad and highway 99 [I5]. Weed quadrangle UTM Zone 10, 549920mE, 4586493mN. Comment
  HSC67725  Claytonia sibirica John Palmer 1980-8-12 681 Siskiyou SE of Ward's Gap. 1189 Comment
  RSA262514  Claytonia sibirica J. M. Tucker 1974-7-28 4318 Siskiyou Haypress Meadows, Marble Mtn Wilderness Area 1463 Comment
  CAS-BOT-BC443865  Claytonia sibirica F. J. Kirby 1958-7-1 1199 Siskiyou Swillup Campground, 25 miles s. of Happy Camp 609 Comment
  RSA3834  Cleome platycarpa A. A. Heller 1927-8-2 14440 Siskiyou North end of Shasta Valley near the Klamath River Comment
  CAS-BOT-BC500968  Clintonia uniflora Volney Rattan 1879-6-1 s.n. Siskiyou Siskiyou Mountains, Northwest California Comment
  CAS-BOT-BC500971  Clintonia uniflora John Thomas Howell 1939-8-3 15015 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  RSA184801  Clintonia uniflora Gilbert Muth 1966-7-17 401 Siskiyou Trail to lookout, Marble Mountains. 1806 Comment
  SEINET8472238  Clintonia uniflora W. Roderick 1967-7-22 s.n. Siskiyou N of Happy Camp on road to O'Brien. 1219 Comment
  POM43374  Collinsia linearis Geo. D. Butler 1910-5-1 1262 Siskiyou Humbug Mountain. Comment
  UC54657  Collinsia parviflora H. M. Hall and E. B. Babcock Jun 1903 4703 Siskiyou near Upton (Sierra Nevada Mountains, Mount Shasta); Sierra Nevada Mountains, Mount Shasta 1066 Comment
  UC334648  Collinsia rattanii J. G. Lemmon Siskiyou 20 mi w of Mount Shasta (Sierra Valley); Sierra Valley Comment
  JEPS3846  Collinsia torreyi var. latifolia Duncan Dunning 1921-7-16 Siskiyou nw Hambone (se Siskiyou Co.); Toad Mtn. Comment
  SBBG6893  Collinsia torreyi var. latifolia H. and M. Dearing 1939-7-2 3807 Siskiyou Salmon Mtn 1828 Comment
  UC454129  Collinsia torreyi var. latifolia I. J. Condit 1911-7-7 Siskiyou Shasta Retreat Comment
  UC885599  Collinsia torreyi var. latifolia John Thomas Howell 1937-7-21 13181 Siskiyou South Fork Salmon River near Big Flat (Trinity Alps); , South Fork Salmon River 1524 Comment
  HSC82211  Collomia grandiflora Thomas W. Nelson, Jane P. Nelson 1980-7-5 5974 Siskiyou Fowler's Campground 1006 Comment
  JEPS70997  Collomia grandiflora W. L. Jepson 1937-7-30 18535 Siskiyou near Poker Flat; summit Siskiyou Mts. 1584 Comment
  UC718486  Collomia grandiflora Carl B. Wolf 1934-7-6 5980 Siskiyou 1/4 mi e Mt. Shasta City (sw slope of mt.); Mt. Shasta 1097 Comment
  HSC45829  Collomia heterophylla J. P. Smith 1973-5-5 6469 Siskiyou Along Cook and Green Pass Rd. Comment
  SEINET2445781  Collomia heterophylla A. A. Heller 1905-6-1 7947 Siskiyou Upper Soda Spring. Along railroad opposite Upper Soda Spring, under or near shrubs. Comment
  CAS-BOT-BC229524  Collomia larsenii Dean Wm. Taylor 1987-6-26 9070 Siskiyou Little Mount Hoffman, 2 miles W from Medicine Lake 2209 Comment
  UC52508  Collomia tinctoria Harley P. Chandler 1901-6-1 1634 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 2133 Comment
  HSC90215  Collomia tinctoria Michael P. Murray Jul 1991 3 Siskiyou Marble Mtn. Wilderness Area, E facing slope of Elk Valley 1890 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
  SEINET516295  Conium maculatum Vernon H. Oswald 1998-9-16 9644 Siskiyou Vista Point on Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 8.7 mi E of Hwy. 97. 1244 Comment
  HSC46112  Corallorhiza maculata J. P. Smith, Steve Selva 1970-6-16 3989 Siskiyou 6 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1280 Comment
  UC4413  Corallorhiza maculata W. H. Brewer 1862-9-16 1412 Siskiyou Mount Shasta 1828 Comment
  UC796502  Corallorhiza maculata Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11751 Siskiyou French Creek Logging Rd w Callahan 1066 Comment
  RSA150582  Corallorhiza mertensiana Lee W. Lenz 1961-6-23 24364 Siskiyou On the Oregon slope of the Siskiyou Mts., road between Happy Camp and OBrien 1220 Comment
  RSA237634  Corallorhiza mertensiana Frederick W. Oettinger 1967-7-30 222 Siskiyou Near the campsite at the N end of Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 1723 Comment
  JEPS74931  Cordylanthus tenuis subsp. pallescens T. I. and F. M. Chuang 1975-7-21 7546 Siskiyou near sw base Black Butte (along hwy 5) 1066 Comment
  CAS-BOT-BC278773  Cordylanthus tenuis subsp. tenuis Peter F. Zika; Barbara Wilson 2011-7-31 25697 Siskiyou Road 26, 10.2 road miles from junction with FS Road 40N405, 1 air mile W of N end of Siskiyou Lake, Klamath Range (KR) 1060 Comment
  CHSC105586  Cordylanthus tenuis subsp. viscidus Barbara L. Wilson; Richard E. Brainerd 2010-8-5 16220 Siskiyou Dunsmuir; Panorama Drive north of Interstate Highway 5. +/- 49 feet of Lat. and Long. indicated. 774 Comment
  JEPS60491  Cordylanthus tenuis subsp. viscidus T. I. Chuang and L. R. Heckard 1969-8-21 6742 Siskiyou 1/2 mi w Hamburg (on Hwy 96 above the Klamath River) 426 Comment
  JEPS70112  Cordylanthus tenuis subsp. viscidus L. R. Heckard 1972-8-4 3149 Siskiyou southern edge Dunsmuir (near first Dunsmuir freeway exit) 822 Comment
  SEINET13682592  Cordylanthus tenuis subsp. viscidus B. L. Wilson, R. E. Brainerd 2010-8-5 16222 Siskiyou Shasta-Trinity NF, ca junction of Hwy 89 and FR 41N06, ca 10 miles E of McCloud. 774 Comment
  HSC89859  Cordylanthus tenuis subsp. viscidus Rimo Bacigalupi, G. Thomas Robbins, T. W. Custer 1954-8-12 4791 Siskiyou Along highway following the Klamath River, 1/2 mi. W of Hamburg 457 Comment
  CAS-BOT-BC212281  Cornus glabrata Wm. Bridge Cooke 1940-6-20 15171 Siskiyou Along the bank of the Klamath River along the Pacific Highway below Hornbrook. 609 Comment
  RSA397706  Cornus glabrata B. C. Templeton 1957-6-22 7736 Siskiyou Between Callahan and Gazelle. Comment
  UC1034650  Cornus glabrata Milo S. Baker 1955-6-27 13090 Siskiyou along rd. from Gazelle to <Calahan> Comment
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Oct 9 2014
  UC165258  Cornus glabrata Geo. D. Butler 1908-7-1 89 Siskiyou Yreka Creek Comment
  CAS-BOT-BC212062  Cornus nuttallii Alice Eastwood 1912-9-4 2095 Siskiyou Sisson Comment
  RSA240100  Cornus nuttallii Frederick W. Oettinger 1969-8-12 1336 Siskiyou Near theCedars homestead, 2 miles up the main North Fork trail from Mule Bridge enroute to English Peak - shortly before entering the Wilderness area. The Salmon Mountains. High Lake Basins in the vicinity of English Peak., Marble Mountain Wilderness Area. 960 Comment
  UC165289  Cornus nuttallii Geo. D. Butler 1910-4-22 1246 Siskiyou Kidder Creek Comment
  CAS-BOT-BC210408  Cornus sericea Doris K. Kildale 1928-8-19 6580 Siskiyou Hancock Lake on trail to Marble Mt. Comment
  CAS-BOT-BC210410  Cornus sericea Elmer I. Applegate 1895-5-29 222 a Siskiyou Sacramento River near Sisson Comment
  CAS-BOT-BC210414  Cornus sericea Alice Eastwood 1921-7-30 11004 Siskiyou Soda Creek 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
  UC336460  Cornus sericea subsp. sericea J. G. Lemmon 1889-6-26 Siskiyou Edgewood Comment
  UC61176  Corylus californica W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  HSC25045  Crataegus douglasii J. O. Sawyer 1972-9-25 2470 Siskiyou Doe Flat E of Bear Basin Butte Comment
  CAS-BOT-BC376521  Crepis bakeri subsp. cusickii L. E. Smith 1914-5-14 699 Siskiyou Yreka Comment
  CAS-BOT-BC290505  Crepis bakeri subsp. cusickii L. E. Smith 1915-5-1 s.n. Siskiyou Hilt Comment
  CDA4451  Crepis monticola F. D. Horn 1980-5-13 Siskiyou Vacant areas north of Northridge Drive, Yreka. 0 Comment
  UC581197  Crepis occidentalis E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1903 Siskiyou about 7 mi sw Yreka (s of hwy from Yreka to Fort Jones); Forest House Mt. 1363 Comment
  CAS-BOT-BC310333  Crepis occidentalis subsp. conjuncta R. C. Wenk 2005-7-19 333 Siskiyou Along Pacific Crest Trail, near top of pass below Mt. Eddy 2438 Comment
  HSC29229  Crepis occidentalis subsp. conjuncta Frederick W. Oettinger 1969-8-15 1385 Siskiyou High Lake Basins near English Peak, Marble Mtn. Wilderness Area; W of Upper English Lake 1784 Comment
  CAS-BOT-BC290883  Crepis pleurocarpa H. E. Brown 1897-6-1 382 Siskiyou Near Sisson 1083 Comment
  CAS-BOT-BC376472  Crepis pleurocarpa Gilbert J. Muth 1969-8-6 1256 Siskiyou Boulder Peak Ridge Comment
  HSC77287  Crepis pleurocarpa L. P. Janeway 1983-8-7 520 Siskiyou Peak 5148 near end of USFS Rd. 17N32 19 mi. from Indian Creek Rd. 1555 Comment
  POM230911  Crepis pleurocarpa G. Ledyard Stebbins, J. A. Jenkins 1937-7-19 2445 Siskiyou Ridge between Big Mill and Mule Creek, near road from Callahan to Carrville 1220 Comment
  SEINET7838867 Image available Crepis pleurocarpa G. D. Butler 1910-7-12 1758 Siskiyou Dry ridge, Shackleford Creek 1372 Comment
  UC726531  Cryptantha affinis A. A. Heller 1916-6-20 12397 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  CHSC71475  Cryptantha ambigua Vernon H. Oswald; Lowell Ahart 1998-7-21 9332 Siskiyou Northeast of Weed and east of Grass Lake at a gravel pit on the south side of Tennant Rd. 0.4 mi southeast of Old State Hwy. to Bray. 1402 Comment
  HSC82223  Cryptantha torreyana Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4544 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  RSA113740  Cryptantha torreyana A. H. Murphy 1956-8-14 56 -D Siskiyou Little Mill Creek Meadows, Klamath National Forest. Hopland Field Station. 2012 Comment
  CAS-BOT-BC80559  Cupressus bakeri John Thomas Howell 1934-7-4 12386 Siskiyou between Timbered Crater and Little Hot Springs Valley Comment
  NY16609  Cupressus bakeri C. B. Wolf 1934-10-8 6166 Siskiyou Modoc Lava Beds, 1 mile northeast of Timbered Crater on Old Stage Road from Dana to Little Hot Springs Valley 1219.2 Comment
  UC202175  Cupressus bakeri Geo. D. Butler 1910-7-4 1637 Siskiyou Goosenest foothills in rocky canyon Goosenest foothills 1219 Comment
  UC650670  Cupressus bakeri Oliver V. Matthews 1939-7-3 19 Siskiyou Sullivan Mine Grove Cook and Green Region 1066 Comment
  UC650676  Cupressus bakeri Oliver V. Matthews 1939-7-14 34 Siskiyou North-westerly Grove , North-westerly Grove (Goose Nest Region) 1524 Comment
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Oct 13 2013
  SEINET10834035  Cupressus bakeri John Thomas Howell 1934-7-4 Howell 12386 Siskiyou Lava flow between Timbered Crater and Little Hot Springs Valley. Comment
  UC164125  Cuscuta californica Geo. D. Butler 1908-8-9 15 Siskiyou summit above Cold Spring; Wooley Creek Comment
  JEPS47092  Cuscuta cephalanthi George B. Grant 1902-9-4 5217 Siskiyou Sisson 914 Comment
  RSA666423  Cuscuta occidentalis Barbara Ertter 1987-7-26 7326 Siskiyou 2.2 mi N of Scott Mt. summit on Hwy 3, at road junction.Half way down Old Priest Grade between Big Oak Flat and junction of Highways 120 and 49, ca. 35 airmiles E of Modesto. 1372 Comment
  UC1618394  Cuscuta occidentalis Barbara Ertter 1987-7-26 7326 Siskiyou 2.2 mi n of Scott Mountain (summit on Hwy 3, at road junction); summit on Hwy 3 1371 Comment
  HSC3221  Cycladenia humilis R. C. Wunner 1965-6-15 185 Siskiyou Lava Beds National Monument, Caldwell Butte SE side. 1463 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
  UCR179175  Cymopterus terebinthinus var. californicus Robert E. Preston 2002-7-12 1908 Siskiyou Rainbow Mountain and Vicinity, Klamath National Forest, south slope of Rainbow Mtn. 1790 Comment
  UC61050  Cynoglossum occidentale W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mt. Shasta, Sisson Comment
  CAS-BOT-BC114693  Cyperus bipartitus Carl B. Wolf 1927-8-26 1085 Siskiyou On Klamath River, 14 mi above Happy Camp Comment
  CAS-BOT-BC114149  Cyperus squarrosus LeRoy Abrams 1922-8-6 9898 Siskiyou Klamath River 6 mi. below Hornbrook. Comment
  UC637068  Cyperus squarrosus Edward Lee 1934-8-11 1026 Siskiyou e. end Seiad Valley (Walker Creek); , Walker Creek (tributary of Klamath R.) 457 Comment
  HSC61803  Cystopteris fragilis Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC70720  Cystopteris fragilis Gilbert Muth 1965-8-3 s.n. Siskiyou Pothole in Marble, Marble Valley Comment
  HSC19007  Cystopteris fragilis J. O. Sawyer 1969-7-16 1117 Siskiyou NE facing slope above Siphon Lake 2226 Comment
  HSC69133  Danthonia californica Maralyn A. Renner 1980-8-4 2231 Siskiyou Flint Valley 1390 Comment
  UC816903  Danthonia californica var. americana John Thomas Howell 1939-8-5 15076 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  HSC82476  Danthonia unispicata Thomas W. Nelson, Jane P. Nelson 1979-6-15 4798 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  HSC67646  Darlingtonia californica J. P. Smith, Steve Selva 1970-7-27 4522 Siskiyou Gumboot Lake 1768 Comment
Read comments
Jun 7 2012
  UC34981  Darlingtonia californica M. A. Howe 1894-8-9 Siskiyou Shasta Springs Comment
  UC165440  Darmera peltata Geo. D. Butler 1910-4-24 1234 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC141832  Dasiphora fruticosa W. R. Dudley 1899-8-26 s.n. Siskiyou Upper Sacramento Comment
  POM211409  Datura stramonium Louis C. Wheeler 1934-10-28 3350 Siskiyou Yreka. 823 Comment
  CDA5364  Daucus carota T. C. Fuller 1959-7-8 6042 Siskiyou 0.6 mile west of Ainsworth Corners. 0 Comment
  CAS-BOT-BC9050  Delphinium decorum subsp. tracyi Philip Alexander Munz 1952-7-2 17901 Siskiyou Baldy Mountain ca. 6 air-line miles west of Happy Camp, Siskiyou Mountains 1737 Comment
  RSA184772  Delphinium decorum subsp. tracyi Gilbert Muth 1966-7-17 407 Siskiyou Trail to Lookout, Marble Mtns. 1860 Comment
  POM99878  Delphinium glaucum Geo. D. Butler 1908-8-6 353 Siskiyou Whiskey Camp Independence Creek Comment
  CAS-BOT-BC10132  Delphinium menziesii Mrs. H. C. Cantelow 1936-5-20 1390 Siskiyou Summit of Scott Mtn. 1630 Comment
  CAS-BOT-BC9843  Delphinium nudicaule Alice Eastwood 1923-5-18 11830 Siskiyou Shasta Springs Comment
  POM99313  Delphinium nudicaule Geo. D. Butler 1909-4-18 599 Siskiyou Humbey Mt. 1220 Comment
  UC1190185  Delphinium nuttallianum Ira L. Wiggins 1955-7-27 13544 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC118066  Delphinium nuttallianum W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Lake Trail, region of Mt. Shasta Comment
  CDA24254  Delphinium nuttallianum D. Osterhandt, Don Shaw 1978-3-31 Siskiyou Between Forks of Salmon and Somes Bar. 0 Comment
  HSC27039  Delphinium nuttallianum J. O. Sawyer 1971-7-2 2401 Siskiyou Above Elk Hole 1524 Comment
  SD143485  Delphinium nuttallianum H. Dearing, M. Dearing 1938-6-29 2190 Siskiyou Wagon Camp, Mt. Shasta 1829 Comment
  UCD61112  Deschampsia cespitosa A. H. Murphy 1958-8-4 58 -C Siskiyou Little Elk Lake Marble Mts. 1676 Comment
  CAS-BOT-BC201637  Deschampsia danthonioides A. A. Heller 1915-7-18 12120 Siskiyou Metcalf's ranch, base of Mt. Eddy Comment
  CAS-BOT-BC201937  Deschampsia elongata Ira L. Wiggins 1955-7-22 13449 Siskiyou In S Fork of Salmon River, 9.5 miles above Cecilville 1066 Comment
  CAS-BOT-BC201940  Deschampsia elongata Alice Eastwood 1921-7-24 10773 Siskiyou Castle Lake Comment
  CAS-BOT-BC201944  Deschampsia elongata Alice Eastwood 1912-8-30 2049 a Siskiyou Mount Eddy Comment
  HSC88847  Deschampsia elongata J. P. Smith, Steve Selva 1970-6-16 4049 Siskiyou 7 mi. W of Etna on road to Sawyers Bar. 1280 Comment
  RSA238405  Deschampsia elongata Frederick W. Oettinger 1969-8-16 136 Siskiyou Southwest of Wiregrass Meadow, Upper English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1707 Comment
  RSA728504  Deschampsia elongata Gary D. Wallace, Tom Jimmerson 1979-6-22 1857 Siskiyou Due west of Requa, NNW of Flint Valley, SE of Chimney Rock. Along 15N01. Comment
  CAS-BOT-BC39727  Descurainia Gilbert Muth 1966-7-19 426 Siskiyou Marble Mountains. Above horse pasture. 1804 Comment
  HSC90911  Descurainia incisa subsp. incisa Jennifer Whipple 1976-7-9 1381 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2195 Comment
  UC855979  Descurainia incisa subsp. incisa John Thomas Howell 1939-8-9 15222 Siskiyou ridge s Marble Valley (Marble Mts.); Marble Mts. Comment
  UC855985  Descurainia sophia A. A. Heller 1916-6-22 12524 Siskiyou near Sisson 1074 Comment
  UC909337  Descurainia sophia Ira L. Wiggins 1950-5-27 12353 Siskiyou Callahan Ranger Station Scott River (banks of e fork of Scott River) 975 Comment
  HSC67584  Dicentra formosa J. P. Smith 1973-5-5 6410 Siskiyou Along Cook and Green Pass Rd. Comment
  CHSC639  Dicentra pauciflora M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  SEINET10859948  Dichanthelium lanuginosum A. Arthur Heller 1905-6-5 Heller s.n. Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  UC70383  Dichelostemma capitatum Milo S. Baker 1898-2-12 701 Siskiyou n slope Taylor Mt. Comment
  HSC45013  Dichelostemma capitatum subsp. capitatum J. P. Smith 1973-5-5 6485 Siskiyou Along Cook and Green Pass Rd. Comment
  CDA39452  Dichelostemma multiflorum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2779 Siskiyou Yreka. West of Motel 6, south of town, north of Greenhorn Creek Road. Comment
  CAS-BOT-BC291002  Dieteria canescens var. shastensis Alice Eastwood 1912-7-16 1120 Siskiyou McCloud Comment
  JEPS44099  Dieteria canescens var. shastensis W. B. and V. G. Cooke 1965-7-12 35191 Siskiyou Bolam Road Mt. Shasta 1524 Comment
  CAS-BOT-BC291022  Dieteria canescens var. shastensis Wm. Bridge Cooke 1938-8-5 11439 Siskiyou Mount Shasta. MacBridge Spring Road Comment
  CAS-BOT-BC153648  Diplacus jepsonii Elmer I. Applegate 1923-8-18 3882 Siskiyou Medicine Lake Comment
  SEINET8225567  Diplacus nanus Unknown 1948-6-12 1171 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], east fork of Scott River. Comment
  UC585128  Dodecatheon hendersonii E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2001 Siskiyou about 1 1/2 mi w Mt. Shasta City (e and ne slope of spur of Rainbow Ridge above Sulloway Creek); above Sulloway Creek, w of Mt. Shasta City 1188 Comment
  CHSC118450  Dodecatheon jeffreyi Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -028 Siskiyou Lower Parks Creek watershed, E Klamath Range; slope above Forest Service Road 42N19, 4 miles northwest of Stewart Springs. UTM NAD 83 Zone 10, 539166m E, 4587170m N. 1529 Comment
  SEINET10550647 Image available Downingia bacigalupii John H. Weiler, A. P. Nelson 1960-6-24 Weiler 60205 Siskiyou In a bowl-shaped, rocky bottomed depression at the side of Dorris-Beswick road 2.7 miles southwest of the California-Oregon border. Abundant. Associated with Erynigium. Comment
  JEPS100727  Downingia cuspidata Dean W. Taylor 1991-6-12 11897 Siskiyou Adobe Flat, ca. 4 miles N of Timbered Crater 1106 Comment
  HSC90898  Draba carnosula Jennifer Whipple 1977-8-5 2194 Siskiyou Near Little Crater Lake 2195 Comment
  JEPS109774  Draba carnosula Dean W. Taylor 2002-7-29 18289 Siskiyou cirque at head of Huston Creek (Huston Creek divide on USFS trail sign at summit) ca. 0.4 miles easterly of summit, South China Mounain 2325 Comment
  CAS-BOT-BC41756  Draba howellii John Thomas Howell 1937-7-24 13417 Siskiyou Salmon-Trinity Alps. Caribou Basin. 2286 Comment
  HSC61208  Draba howellii Al Hobart 1967-8-9 Siskiyou El Capitan Comment
  UCD115052  Draba howellii W. C. Overton Jr. 1977-7-10 s.n. Siskiyou Along trail from Big Flat Campground to Sunrise Pass (between the headwaters of Gulick Creek to the NW and Sunrise Creek to the SE) between where it crosses contour lines 7280 and summit at ca. 7440 feet, Klamath National Forest. 2218 Comment
  CAS-BOT-BC159433  Drymocallis glandulosa var. glandulosa John Thomas Howell 1937-7-21 13157 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  SEINET6652792  Drymocallis glandulosa var. glandulosa G. D. Butler 1910-5-30 1431 Siskiyou Humbug Creek Comment
  CAS-BOT-BC527347  Drymocallis glandulosa var. reflexa A. A. Heller 1916-6-20 12399 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  UC73027  Drymocallis lactea var. austiniae Milo S. Baker Aug. 1897 Siskiyou Mt. w Medicine Lake (near to); Mt. West of Medicine Lake 3048 Comment
  SEINET6691603  Drymocallis lactea var. austiniae G. D. Butler 1910-7-8 1658 Siskiyou Shackleford Creek 1372 Comment
  CAS-BOT-BC158419  Drymocallis rhomboidea Edward Lee 1934-8-14 1114 Siskiyou Little Grayback Peak, Siskiyou Mountains, Siskiyou-Del Norte County 1798 Comment
  HSC48373  Drymocallis rhomboidea J. O. Sawyer 1969-6-10 802 Siskiyou S face near Sugar Lake 1829 Comment
  CAS-BOT-BC113721  Eleocharis acicularis Carl B. Wolf 1927-8-26 989 Siskiyou On the Klamath River, 5 mi. below Hornbrook. Comment
  CHSC88375  Eleocharis bella Jenny Marr 1993-7-1 181 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC112979  Eleocharis macrostachya David Daniels Keck 1949-7-20 6370 Siskiyou Scott Valley, 6 mi N of Callahan. Comment
  UC642544  Eleocharis macrostachya H. K. Svenson 1939-6-23 13517 Siskiyou Bear Springs Mount Shasta 1524 Comment
  RSA610534  Eleocharis palustris L. C. Wheeler 1935-7-13 3664 Siskiyou Ager. 793 Comment
  UC618597  Eleocharis suksdorfiana W. Bridge Cooke 1938-7-21 11293 Siskiyou Panther Creek Middle Meadow, upper meadow 2286 Comment
  RSA239039  Elymus X hansenii Frederick W. Oettinger 1969-9-2 1589 Siskiyou Above Bear Meadow, near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  UC1265471  Elymus X hansenii Frederick W. Oettinger 1968-8-8 456 Siskiyou Craop Meadow Salmon Mountains, Marble Mountain Wilderness Area (w Siskiyou Co., high lake basins in vicinity of English Peak) 2164 Comment
  CAS-BOT-BC227913  Elymus elymoides M. B. Dunkle 1945-7-22 9241 Siskiyou Klamath National Forest. Wooley Pocket 2133 Comment
  UC1483411  Elymus elymoides subsp. elymoides Maralyn A. Renner 1980-8-7 2418 Siskiyou ridge s Preston Peak; Klamath National Forest, Preston Peak Quad. 1950 Comment
  UC197112  Elymus elymoides subsp. elymoides Geo. D. Butler 1910-7-12 1762 Siskiyou Shackleford Creek 1371 Comment
  LA14818  Elymus glaucus Jason Swallen; 1939-7-28 13784 Siskiyou Mount Shasta, MacBride Springs 1523 Comment
  UCD62292  Elymus glaucus A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3430 Siskiyou 13 miles east of Hamburg, banks of Klamath River. Comment
  JEPS72940  Elymus glaucus subsp. jepsonii W. L. Jepson 1940-6-28 20054 Siskiyou McCloud 975 Comment
  UC197108  Elymus glaucus subsp. jepsonii Geo. D. Butler 1908-7-20 466 Siskiyou Humbug Creek Comment
  CHSC91356  Elytrigia pontica subsp. pontica Lowell Ahart; John Dittes 2005-6-10 12077 Siskiyou On the north side of the Shasta River, about 100 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  UCD77628  Epilobium anagallidifolium Robert E. Preston 2001-7-21 1722 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 2066 Comment
  JEPS43915  Epilobium brachycarpum Geo. D. Butler 1908-8-26 156 Siskiyou roadside 1 mi n Etna Comment
  HSC99267  Epilobium ciliatum subsp. ciliatum J. O. Sawyer 1969-6-12 915 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  UC478987  Epilobium ciliatum subsp. ciliatum Marcus E. Jones, A. M. 1931-7-17 29035 Siskiyou Shasta City (Session's) Comment
  RSA237255  Epilobium ciliatum subsp. ciliatum Frederick W. Oettinger 1967-6-28 135 Siskiyou On Salmon River near Kelly Gulch. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 613 Comment
  UC642538  Epilobium ciliatum subsp. glandulosum W. Bridge Cooke 1939-7-21 13701 Siskiyou above outlet of the Municipal Spring above Howard; Mount Shasta Comment
  UC873155  Epilobium densiflorum A. A. Heller 1916-7-20 12478 Siskiyou ne base of mt. Mt. Eddy, Metcalf's Ranch 1188 Comment
  RSA211352  Epilobium glaberrimum subsp. fastigiatum William J. Ferlatte 1967-8-6 818 Siskiyou Head of Canyon Creek. Trinity Alps. 2134 Comment
  POM230571  Epilobium hallianum J. T. Howell 1937-7-26 13527 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  UC1950195  Epilobium minutum Barbara Ertter 1990-7-14 9336 Siskiyou Wagon Creek on E side of Mt Eddy, ca 4 airmiles W of Mt. Shasta City; where several forks join before steep drop Comment
  CAS-BOT-BC57203  Equisetum hyemale subsp. affine Louis C. Wheeler 1934-7-12 2902 Siskiyou Klamath National Forest, Cottonwood Creek Comment
  CAS-BOT-BC57810  Equisetum laevigatum Edward Lee 1934-8-10 1021 Siskiyou S. bank of Klamath River between McKinney and Parkhouse creeks (near Hamburg). 609 Comment
  UC1096837  Equisetum laevigatum Barbe 1957-7-13 376 Siskiyou w. side of camp Big Flat Public Camp (along footpath leading to spring); Klamath Nat'l Forest 1524 Comment
  POM256462  Equisetum laevigatum Edward Lee 1934-8-10 1021 Siskiyou Klamath River, south bank between McKinney and Parker house creeks (near Hamburg) 610 Comment
  RSA603672  Eragrostis hypnoides L. C. Wheeler 1935-7-20 3675 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 Comment
  CAS-BOT-BC204621  Eragrostis mexicana subsp. virescens Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's [Rogers] Creek, Somes Bar Comment
  UC375460  Eremocarpus setiger Geo. D. Butler 1908-8-15 69 Siskiyou near Yreka Comment
  HSC77115  Eremogone congesta K. T. Stillman 1976-6-25 94 Siskiyou Marble Mtn. Wilderness Area, between Marble Gap and Elk Valley Trail Comment
  HSC91431  Eremogone congesta Jennifer Whipple 1977-8-5 2174 Siskiyou Wagon Creek drainage on E face of Mt. Eddy 2317 Comment
  CAS-BOT-BC168847  Eremogone congesta var. congesta H. A. Thomas; J. H. Thomas 1954-7-24 4507 Siskiyou Vicinity of Rush Lake and Rush Creek Meadow, about 9 miles E of Cecilville, Salmon - Trinity Mts. 1981 Comment
  CAS-BOT-BC286699  Ericameria bloomeri S. Cooper Smith 1942-10-11 42 - 1 Siskiyou Shasta National Forest. On #99 Highway at Black Butte 1188 Comment
  CAS-BOT-BC286709  Ericameria bloomeri Elmer I. Applegate 1923-9-7 3956 Siskiyou Near Dry Lake Lookout station, Doggett Ridge, Siskiyou Mountains 1828 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
  HSC67828  Ericameria bloomeri J. O. Sawyer, J. Cole 1980-7-20 3760 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  UC179536  Ericameria bloomeri A. A. Heller 1914-8-26 11722 Siskiyou Weed 1066 Comment
  SEINET7846091 Image available Ericameria bloomeri G. D. Butler 1910-8-7 1823 Siskiyou Humbug Mountain 1219 Comment
  HSC29099  Ericameria greenei Frederick W. Oettinger 1968-8-19 584 Siskiyou High Lake Basins near English Peak, Marble Mtn. Wilderness Area; at Gap, English Peak 2134 Comment
  CAS-BOT-BC298246  Ericameria nauseosa var. oreophila Geo. D. Butler 1910-8-15 1839 Siskiyou Shasta Valley Comment
  UC165410  Ericameria nauseosa var. oreophila Geo. D. Butler 1910-8-15 1839 Siskiyou Shasta Valley Comment
  CAS-BOT-BC299463  Ericameria nauseosa var. speciosa John Thomas Howell 1939-8-6 15105 Siskiyou Elk Mt., Marble Mts. Comment
  CAS-BOT-BC482440  Ericameria nauseosa var. speciosa Dana York 2010-9-11 3016 Siskiyou Six Rivers Naitonal Forest, boundary of Siskiyou Wilderness, NW slope of Broken Rib Mountain 1435 Comment
  HSC35788  Ericameria nauseosa var. speciosa J. O. Sawyer 1968-9-9 676 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  RSA790000  Ericameria nauseosa var. speciosa Rebecca Wenk 2008-8-31 989 Siskiyou South Fork of Salmon River, Yellow Rose Mine above Big Flat Meadow. 1982 Comment
  UC1223066  Ericameria nauseosa var. speciosa Joseph P. Tracy 1949-9-15 18560 Siskiyou Black Bear Mine; Salmon Mountains 1219 Comment
  UC1540155  Ericameria parryi var. latior Dean Wm. Taylor and Glenn L. Clifton 1987-8-6 9249 Siskiyou near Bartle (road to Medicine Lake from Highway 89) 1389 Comment
  HSC76764  Erigeron aliceae K. T. Stillman 1976-9-9 495 Siskiyou Ridge above Paradise Lake, Marble Mountain Wilderness Area Comment
  JEPS109715  Erigeron aphanactis var. aphanactis Dean W. Taylor 2002-7-21 18271 Siskiyou The Eddys, cirque at headwaters of Parks Creek above Caldwell Lakes 2316 Comment
  CAS-BOT-BC294501  Erigeron bloomeri var. bloomeri Elmer I. Applegate 1935-6-8 9446 Siskiyou Sconchin Butte, Lava Beds National Monument Comment
  HSC49946  Erigeron bloomeri var. bloomeri G. L. Clifton 1979-8-5 12717 Siskiyou Near Twin Valley Creek close to town of Happy Camp 1592 Comment
  CAS-BOT-BC294504  Erigeron bloomeri var. bloomeri A. A. Heller 1921-7-7 13567 Siskiyou On Mt. Eddy on the long gravelly slope west of Wagon Creek 2133 Comment
  HSC19551  Erigeron cervinus J. O. Sawyer 1969-8-3 1778 Siskiyou Near Little Duck Lake 2073 Comment
  JEPS104816  Erigeron cervinus Dean W. Taylor 1996-7-12 15789 Siskiyou Salmon Mountains; Patterson Creek drainage (about 5 air miles west of Etna); Klamath National Forest 1371 Comment
  HSC76670  Erigeron compositus K. T. Stillman 1976-7-22 286 Siskiyou Marble Mtn. Wilderness Area Comment
  CAS-BOT-BC300471  Erigeron filifolius J. William Thompson 1936-7-8 13157 Siskiyou Lava Beds Nat. Monument Comment
  JEPS22364  Erigeron filifolius W. L. Jepson 1940-6-23 19993 Siskiyou e of Mayten (on e side of valley); Little Shasta Valley 883 Comment
  POM252997  Erigeron filifolius A. A. Heller 1936-7-12 15255 Siskiyou Near western base of Deer Mountain on U. S. Highway 97 Comment
  CHSC71470  Erigeron filifolius var. filifolius Vernon H. Oswald; Lowell Ahart 1998-7-21 9313 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd. northeast of Weed. 975 Comment
  UC1483472  Erigeron foliosus var. confinis Maralyn A. Renner 1980-8-7 2426 Siskiyou ridge s Preston Peak; Preston Peak Quad. 1950 Comment
  RSA238768  Erigeron foliosus var. confinis Frederick W. Oettinger 1968-8-22 591 Siskiyou Summit of English Peak. The High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area 2229 Comment
  RSA50155  Erigeron foliosus var. confinis E. K. Balls 1949-7-9 13947 Siskiyou Salmon Mts., summit of pass on road from Etna to Sawyer's Pass 1479 Comment
  RSA78831  Erigeron foliosus var. hartwegii P. A. Munz 1952-7-2 17909 Siskiyou West of Baldy Mountain L.O. 6 air miles west of Happy Camp, Siskiyou Mountains 1768 Comment
  UCD77640  Erigeron glacialis var. glacialis Robert E. Preston 2001-7-21 1725 a Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2066 Comment
  HSC623  Erigeron glacialis var. glacialis William J. Ferlatte 1966-7-7 210 Siskiyou NW side of Caribou Mtn. 1829 Comment
  JEPS41438  Erigeron inornatus var. inornatus Willis L. Jepson Jul 24 1894-Aug 10 1894 - 0 Siskiyou Sisson Comment
  UC895896  Erigeron inornatus var. inornatus Alice Eastwood 1912-9-4 2098 Siskiyou Sisson Comment
  HSC40994  Erigeron inornatus var. inornatus J. O. Sawyer 1972-7-14 2470 Siskiyou N Fork of Salmon River 1006 Comment
  OBI58648  Erigeron inornatus var. inornatus David J. Keil 1992-7-20 23492 Siskiyou Klamath NF W of Ft. Jones. Along Forest Rd 44N45, 2 mi S of Scott river Rd 1000 Comment
  CAS-BOT-BC295816  Erigeron petrophilus var. viscidulus Louis C. Wheeler 1934-8-24 3219 Siskiyou Trapper Creek, Siskiyou Mts. 1859 Comment
  CAS-BOT-BC300093  Erigeron philadelphicus H. A. Thomas; J. H. Thomas 1954-7-21 4395 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1036 Comment
  UCD132043  Erigeron philadelphicus var. philadelphicus John M. Tucker; Louis K. Mann 1963-7-4 3689 Siskiyou beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. Comment
  UC24052  Eriodictyon californicum T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC248837  Eriogonum compositum var. compositum H. L. Mason 1931-5-9 5865 Siskiyou Shasta Creek Comment
  HSC43398  Eriogonum compositum var. compositum K. T. Stillman 1976-7-7 156 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  CAS-BOT-BC248840  Eriogonum compositum var. compositum Lillian Mott 1976-5-31 19 LM76 Siskiyou Klamath River, for ca. 4.5 miles below jct. of Hwy. 5 and 96 579 Comment
  CAS-BOT-BC248844  Eriogonum compositum var. compositum Roxana S. Ferris; Laura Lorraine 1948-6-12 11763 Siskiyou East fork of Scott River one mile north of Callahan Comment
  UCR37557  Eriogonum elatum L. P. Janeway 1983-9-22 688 Siskiyou Ridge NW of Poker Flat (the Siskiyou creast) 1585 Comment
  CAS-BOT-BC261217  Eriogonum hirtellum James L. Reveal; Darin S. Reveal 1978-8-9 4813 Siskiyou Along the dirt road to Baldy Mountain Lookout (USFS #17N11), 0.6 mile south of the junction of 17N23 on a ridge dividing Doolittle Creek and Little south Fork about 3.5 miles north-northeast of the lookout 1341 Comment
  HSC30482  Eriogonum lobbii Frederick W. Oettinger 1968-8-5 407 Siskiyou Marble Mtn. Wilderness Area, between English Peak and Diamond Lake 2073 Comment
  UC77434  Eriogonum marifolium Wm. M. Canby, Profs. C. S. Sargent and John Muir 1897-9-7 230 Siskiyou Mt. Shasta Comment
  CHSC4548  Eriogonum marifolium var. marifolium J. E. Bowlin 1967-7-18 52 Siskiyou Ca. 15 yds. above the parking lot and restaurant at Mount Shasta Ski Bowl. Ca. 15.5 mi from the city of Shasta (center of the city). Comment
  HSC48943  Eriogonum marifolium var. marifolium D. L. Goforth 1979-7-19 249 Siskiyou Klamath National Forest, Trinity Alps Wilderness; Caribou Lakes Basin, 0.3 mi. NW of Caribou Lake. 2134 Comment
  CAS-BOT-BC261673  Eriogonum nudum var. nudum Gilbert J. Muth 1969-8-8 1301 Siskiyou Boulder Peak Ridge Comment
  HSC27107  Eriogonum nudum var. nudum Carl W. Mize 1972-6-21 60 Siskiyou 0.25 mi. above rd. on WSW slope 274 Comment
  HSC19504  Eriogonum nudum var. nudum J. O. Sawyer 1969-7-3 1056 Siskiyou SE facing slope above Horse Range Creek 1616 Comment
  HSC689  Eriogonum nudum var. nudum William J. Ferlatte 1967-8-23 1113 Siskiyou Along S Fork of the Salmon River between the campground and Carter's 1524 Comment
  UC1483463  Eriogonum nudum var. oblongifolium Maralyn A. Renner 1980-6-23 992 Siskiyou West Fork Seiad Creek Klamath National Forest, Seiad Valley Quad., W. Fork Seiad C 877 Comment
  SEINET5330933  Eriogonum nudum var. oblongifolium G. Butler 1910-6-26 1605 Siskiyou Dry land near Yreka Comment
  CAS-BOT-BC105081  Eriogonum nudum var. pubiflorum R. C. Wenk 2008-7-24 938 Siskiyou Kangaroo Lake, S of the Gazelle-Callahan Rd. Top of ridge S of the lake 1981 Comment
  UC454351  Eriogonum nudum var. pubiflorum I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  UC637103  Eriogonum nudum var. pubiflorum Annetta Carter 1934-8-10 692 Siskiyou near Hamburg (s bank of the Klamath River between McKinney and Parkhouse Creeks); Klamath River 609 Comment
  UCD100723  Eriogonum nudum var. pubiflorum J. M. Tucker 1950-7-25 1953 Siskiyou beside Cold Creek at the Military Road crossing, about 6 miles northwest of Pilgrim Creek Experiment Station, east side of Mt. Shasta. Comment
  CAS-BOT-BC272486  Eriogonum nudum var. pubiflorum L. R. Abrams 1926-7-4 11235 Siskiyou 1 mile west of Shasta City on road to Abrams Lake Comment
  CAS-BOT-BC272490  Eriogonum nudum var. pubiflorum Doris K. Kildale 1928-7-25 5874 Siskiyou Klamath River, between Brown's Resort & Gottville 579 Comment
  CAS-BOT-BC272491  Eriogonum nudum var. pubiflorum A. A. Heller 1927-8-2 14443 Siskiyou About three miles south of Yreka Comment
  CAS-BOT-BC272494  Eriogonum nudum var. pubiflorum Frank W. Peirson 1923-7-19 4209 Siskiyou Camp on Whitney Creek, Mt. Shasta Comment
  SD51282  Eriogonum nudum var. pubiflorum Darley F. Howe 1961-8-3 Siskiyou 20.3 miles east of Happy Camp on #96 548 Comment
  CAS-BOT-BC252958  Eriogonum pyrolifolium var. pyrolifolium C. G. Pringle 1881-8-24 s.n. Siskiyou Mount Shasta 2438 Comment
  CAS-BOT-BC252963  Eriogonum pyrolifolium var. pyrolifolium Alice Eastwood 1912-9-1 2075 Siskiyou Mount Shasta Comment
  CAS-BOT-BC268575  Eriogonum siskiyouense Peter H. Raven 1956-9-4 10389 Siskiyou Pass just south of Mt. Eddy 2438 Comment
  HSC43441  Eriogonum siskiyouense Jennifer Whipple 1976-9-2 1758 Siskiyou S face of Mt. Eddy draining into the N Fork of the Sacramento River 2439 Comment
  JEPS56405  Eriogonum siskiyouense Dorothy Parker 1968-8-10 Siskiyou above Kangaroo Lake; Kangaroo Divide 1920 Comment
  RSA82757  Eriogonum spergulinum var. reddingianum J. M. Tucker 1950-7-24 1955 Siskiyou Roadside, in volcanic sanda at Ash Creek crossing on the Military Rd., east side of Mt. Shasta. Comment
  SEINET13761715  Eriogonum sphaerocephalum var. halimioides R. R. Halse 2016-5-29 9723 Siskiyou Along Hilt Road, E of Hilt. 902 Comment
  CAS-BOT-BC262760  Eriogonum strictum var. anserinum Louis C. Wheeler 1935-6-27 3610 Siskiyou Greenview, Scott Valley 883 Comment
  CAS-BOT-BC262764  Eriogonum strictum var. anserinum Peter H. Raven 1956-9-4 10375 Siskiyou Sacramento-Trinity Pass south of Mt. Eddy 2255 Comment
  CAS-BOT-BC263445  Eriogonum ternatum Doris K. Kildale 1929-7-20 8621 Siskiyou South fork Indian Creek to Elk Lick 1524 Comment
  CAS-BOT-BC267932  Eriogonum umbellatum Alice Eastwood 1921-7-29 10989 Siskiyou Bear Spring on road to Medicine L. Comment
  HSC43411  Eriogonum umbellatum var. argus K. T. Stillman 1976-7-17 266 Siskiyou Marble Mtn. Wilderness Area, ridge above Elk Valley on W side 1951 Comment
  RSA420693  Eriogonum umbellatum var. dumosum Louis C. Wheeler 1934-6-22 2759 Siskiyou Dry sunny hillside. Cotton Creek, Siskiyou Mts. 915 Comment
  UC727195  Eriogonum umbellatum var. humistratum A. A. Heller 1918-7-16 13027 Siskiyou Mt. Eddy 2682 Comment
  CHSC1336  Eriogonum umbellatum var. modocense K. Jaekel 1939-6-25 Siskiyou Castle Lake. 1981 Comment
  SEINET1004221 Image available Eriogonum umbellatum var. modocense Mark Fishbein, Lane Greer 2006-1 5879 Siskiyou Paynes Creek, above Paynes Springs, about 2 mi southeast of Medicine Lake. 1990 Comment
  CAS-BOT-BC265195  Eriogonum umbellatum var. nevadense Noel H. Holmgren; James L. Reveal 1966-6-9 2675 Siskiyou Shasta River Canyon, US 99, 5 miles north of Yreka, Siskiyou Mountains 853 Comment
  RSA197050  Eriogonum umbellatum var. nevadense Noel Holmgren, James L. Reveal 1966-6-9 2675 Siskiyou Siskiyou mountains, Shasta River Canyon, US 99, 5 mi. north of Yreka. 854 Comment
  HSC89399  Eriogonum umbellatum var. polyanthum M. S. Taylor 1980-8-19 3267 Siskiyou Paint Pot Crater 1921 Comment
  SBBG15960  Eriogonum umbellatum var. polyanthum D. Myrick 1961-6-22 316 Siskiyou Hwy 89 near McCloud 914 Comment
  UC711888  Eriogonum vimineum Roxana S. Ferris and Laura Lorraine 1941-8-12 10509 Siskiyou at Petroglyphs n end of Tule Lake, n boundary of Modoc Lava Beds National Monument Modoc Lava Beds National Monument, Tule Lake Comment
  HSC91336  Eriophorum crinigerum Jennifer Whipple 1977-7-21 2018 Siskiyou Near Durney Lake 2073 Comment
  RSA760960  Eriophorum crinigerum Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63386 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1890 Comment
  SEINET7073529  Eriophyllum lanatum A. G. Vestal 1963-6-1 s.n. Siskiyou Southeast of Dwinnell Reservoir (Lake Shastina) about 3.6 miles northwest of Rout 97. UTM Zone 10, 549041mN, 4591197mN. Coordinate datum: NAD27. Comment
  UCSB15884  Eriophyllum lanatum Breedlove, Dennis 1962-6-10 Siskiyou Grassy road- bank along Indian Creek Road, 2.3 miles northwest of Happy Camp; Siskiyou Mountains 365 Comment
  CAS-BOT-BC301122  Eriophyllum lanatum var. achilleoides Alice Eastwood 1912-8-30 1966 Siskiyou Mount Eddy Comment
  CAS-BOT-BC301133  Eriophyllum lanatum var. achilleoides A. A. Heller 1905-6-8 7992 Siskiyou Yreka Comment
  JEPS34609  Eriophyllum lanatum var. achilleoides George D. Butler 1909-4-30 688 Siskiyou near Yreka Comment
  UC163891  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-5-23 1399 Siskiyou Humbug Mountain 1066 Comment
  UC163895  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1908-6-25 333 Siskiyou Yreka; near Yreka Comment
  UC163918  Eriophyllum lanatum var. achilleoides unknown 1910-5-4 1279 Siskiyou dry hill near Yreka Comment
  CAS-BOT-BC301102  Eriophyllum lanatum var. achilleoides L. Constance 1940-6-4 15027 Siskiyou Mount Shasta. Along the Bolam Road and US97 Comment
  SD88329  Eriophyllum lanatum var. achilleoides Darley F. Howe 1972-7-8 Siskiyou 16 miles north of Weed on Highway 97. Comment
  HSC27597  Eriophyllum lanatum var. grandiflorum Carl W. Mize 1972-6-21 59 Siskiyou 305 Comment
  CAS-BOT-BC301703  Eriophyllum lanatum var. lanceolatum Gilbert Muth 1965-7-29 s.n. Siskiyou Trail to Marble Mt. Lookout Comment
  CAS-BOT-BC301723  Eriophyllum lanatum var. lanceolatum Marion Ownbey; Fred G. Meyer 1940-7-4 2174 Siskiyou Siskiyou Mountains, north-west of Hornbrook 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
  HSC60388  Eriophyllum lanatum var. lanceolatum Carl Wishner 1978-8-1 554 Siskiyou Cuddihy Lakes Basin, Marble Mtn. Wilderness Area Comment
  OBI55483  Eriophyllum lanatum var. lanceolatum David J. Keil, Kathleen Keil 1992-7-21 23523 Siskiyou Klamath NF SE of Callahan on hwy 3, 0.8 mi NW of Scott Mtn summit Comment
  UC1025071  Erysimum capitatum Leo Whitney 1934-6-15 1504 Siskiyou Mt. Shasta 2133 Comment
  UC585098  Erysimum capitatum var. capitatum E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1916 Siskiyou about 7 mi sw Yreka (s of hwy from Yreka to Fort Jones); Forest House Mt. 1363 Comment
  RSA238400  Erysimum capitatum var. perenne Frederick W. Oettinger 1967-8-12 250 Siskiyou Near Tom Taylor Cabin. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  HSC192  Erysimum perenne William J. Ferlatte 1967-8-21 1070 Siskiyou Sawtooth Ridge between Caribou Basin and Little S Fork Lake 2287 Comment
  CAS-BOT-BC133271  Erythronium citrinum Elmer I. Applegate 1932-4-16 7061 Siskiyou Klamath River opposite the mouth of Doggett Creek Comment
  RSA237910  Erythronium grandiflorum subsp. grandiflorum Frederick W. Oettinger 1967-7-20 195 Siskiyou Northeast end of Crapo Peak Ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 2186 Comment
  CAS-BOT-BC133300  Erythronium hendersonii Elmer I. Applegate 1932-4-16 7063 Siskiyou Klamath River between Hamburg and Seiad Valley Comment
  CAS-BOT-BC133304  Erythronium klamathense Alice Eastwood 1921-7-24 s.n. Siskiyou Castle Lake Comment
  HSC68361  Eschscholzia californica J. P. Smith, Steve Selva 1970-6-16 4053 Siskiyou 7 mi. W of Etna on road to Sawyers Bar. 1280 Comment
  CAS-BOT-BC403683  Eschscholzia californica Elmer I. Applegate 1935-6-12 9523 Siskiyou South slope of Caldwell Butte, Lava Beds National Monument Comment
  JEPS1734 Image available Eucephalus breweri unknown 1910-8-1 Siskiyou near Sissons Comment
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  JEPS101309  Eucephalus ledophyllus Dean W. Taylor 1999-8-12 17314 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1889 Comment
  RSA0024549  Eucephalus ledophyllus var. covillei William J. Ferlatte 1967-8-23 1108 Siskiyou Head of Kidd Creek. 2134 Comment
  CDA4823  Euphorbia cyparissias T. C. Fuller 1962-6-16 8968 Siskiyou East of main house, Meiss Lake Ranch, southwest edge of Meiss Lake Basin, ca. 7 miles west of Macdoel. 0 Comment
  CDA38003  Euphorbia virgata CDFA Staff Jun 1973 s.n. Siskiyou Dorris. 0 Comment
  POM56242  Euthamia occidentalis Geo. D. Butler 1910-8-27 1859 Siskiyou Oro Fino Comment
  UCD65831  Festuca californica R. Tofsrud 1947-7-6 Siskiyou Near Gazelle. 1371 Comment
  HSC25453  Festuca idahoensis J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5650 Siskiyou Ridge E of Cook and Green Pass 1524 Comment
  HSC30510  Festuca idahoensis Frederick W. Oettinger 1968-8-8 452 Siskiyou Marble Mtn. Wilderness Area, Crapo Meadow 2165 Comment
  RSA414218  Festuca idahoensis M. B. Dunkle 1945-8-2 9283 Siskiyou Kings Castle, Klamath National Forest. Marble Mountains. Comment
  RSA582088  Festuca idahoensis L. C. Wheeler 1934-6-7 2658 Siskiyou North Hungry Creek. 1220 Comment
  UC1483545  Festuca idahoensis J. Sawyer and J. Cole 1980-7-21 3902 Siskiyou near Haight Mtn. (along F.S. road running s to sw); Klamath National Forest, Bray Quad. 1938 Comment
  UCD66086  Festuca idahoensis B. A. Madson 1948-1 Siskiyou Mt. Hebron Pass. Comment
  POM198352  Festuca occidentalis Geo D. Butler 1910-7-12 1752 Siskiyou Shackleford Creek. 1220 Comment
  UC593532  Festuca roemeri E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1910 Siskiyou about 7 mi sw Yreka (s of highway from Yreka to Fort Jones); Forest House Mt. 1371 Comment
  HSC43423  Fragaria vesca Maralyn O'Meara 1974-5-25 387 Siskiyou Near junction of Rd. 8 and French Creek Rd. 1280 Comment
  UC859959  Fragaria vesca A. A. Heller 1916-6-20 12406 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  UCD113261  Fragaria virginiana Wm. E. Moon 1958-5-29 s.n. Siskiyou Vernal pond, State Hwy. 97, southwest of Hebron Summit. Comment
  CAS-BOT-BC53259  Frangula californica subsp. californica Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  CAS-BOT-BC60017  Frangula purshiana Doris K. Kildale 1928-8-18 6423 Siskiyou N. Fork Salmon River at Finley Camp. Comment
  CAS-BOT-BC60021  Frangula purshiana A. A. Heller 1905-6-5 7969 Siskiyou Near Shasta Springs. Comment
  UCD113133  Frangula rubra Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou east of Marble Mountain, Marble Mountains. 1716 Comment
  CAS-BOT-BC55715  Frangula rubra subsp. obtusissima Alice Eastwood 1921-7-31 11013 Siskiyou Shasta Springs Comment
  SJSU6482  Frasera albicaulis R. W. Trivelpiece 1972-6-9 96 Siskiyou c. 4 mi E of Grass L 1524 Comment
  HSC16197  Fraxinus latifolia C. B. Wolf 1927-8-26 998 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  RSA134341  Fraxinus latifolia Percy C. Everett, E. K. Balls 1959-10-24 23948 Siskiyou 3.3 mi NW from Forks along Salmon River, Sawyers Bar to Somesbar. 366 Comment
  CDA39339  Fritillaria affinis D. Osterhandt & D. H. Shaw 1978-4-11 s.n. Siskiyou Vicinity of Forks of Salmon. 0 Comment
  UC164478  Fritillaria pudica Geo. D. Butler 1909-5-3 1089 Siskiyou near Yreka Comment
  UC909365  Fritillaria pudica Ira L. Wiggins 1950-5-28 12391 Siskiyou 0.3 mi w of Carmen Lake 1706 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
  RSA607097  Fritillaria recurva Louis C. Wheeler 1935-6-9 3556 Siskiyou Yreka Creek, Siskiyou Mountains. 1220 Comment
  SEINET8480257  Fritillaria recurva G. D. Butler 1910-4-17 1191 Siskiyou Near Yreka. Comment
  UC1258445  Galium aparine Maralyn A. Renner 1980-7-23 1827 Siskiyou Pacific Crest Trail near ridge about 1 mi e Cook and Green Pass; Klamath National Forest, Seiad Valley Quad. 1752 Comment
  RSA610764  Galium bifolium Louis C. Wheeler 1935-6-27 3597 Siskiyou Marble Mountains: Etna Creek. 1524 Comment
  JEPS26662  Galium bolanderi Lauramay T. Dempster 1961-7-1 1833 Siskiyou just s Oregon border (s slope of mt); White Mountain Comment
  HSC29327  Galium bolanderi Frederick W. Oettinger 1969-8-3 1144 Siskiyou Marble Mtn. Wilderness Area, above stock gate between Willow Springs and English Lake, 200 ft. above trail 1829 Comment
  HSC61212  Galium glabrescens subsp. glabrescens Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  UC455889 Image available Galium glabrescens subsp. glabrescens I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake; Castle Lake near Sisson 1828 Comment
  CAS-BOT-BC94860  Galium glabrescens subsp. glabrescens R. C. Wenk 2005-7-20 352 Siskiyou National Forest Road 17, 1 mile down road to the north heading toward Mt. Shasta 2029 Comment
  JEPS74702  Galium grayanum J. M. Tucker, L. K. Mann and S. L. Holloway 1963-8-18 3755 Siskiyou se-facing slope on sw ridge of mt. Marble Mountain Wilderness Area, Black Mountain (Black Marbl 2133 Comment
  JEPS101441  Galium serpenticum subsp. scotticum Dean W. Taylor 1997-6-12 16068 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle Comment
  HSC19300  Galium triflorum J. O. Sawyer 1969-7-23 1449 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1341 Comment
  HSC400  Galium triflorum William J. Ferlatte 1967-8-19 1033 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's, near 'Riverside 1524 Comment
  HSC60826  Galium triflorum Ruby Van Deventer 1962-8-15 Siskiyou Bell Echo (Bell Echo Camp); in Young's Valley 1159 Comment
  HSC61792  Galium triflorum Al Hobart 1967-7-5 Siskiyou Poker Flat 1585 Comment
  UC876009  Garrya fremontii unknown 1941-6-11 16031 Siskiyou along Castle Lake Road Comment
  CAS-BOT-BC182248  Garrya fremontii J. H. Thomas 1954-5-13 4162 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles woutheast of Cecilville 1127 Comment
  POM212181  Garrya fremontii Carl B. Wolf 1931-9-2 2392 Siskiyou Four miles above junction of McCloud Road with the Pacific Highway. 1189 Comment
  SEINET5765235  Garrya fremontii G. D. Butler 1910-6-17 1565 Siskiyou Humbug Mountain. Comment
  JEPS66597  Gaultheria ovatifolia W. L. Jepson 1907-7-10 2878 Siskiyou Klamath Range near Preston Peak (Kelsey Trail, w Siskiyou County); Klamath Range, Kelsey Trail Comment
  UC422805  Gayophytum diffusum subsp. parviflorum H. W. Furlong Sept. 1901 Siskiyou summit to Ager Comment
  UCR37543  Gayophytum diffusum subsp. parviflorum L. P. Janeway 1983-8-28 629 Siskiyou At Poker Flat. Dry W side of lower protion of meadow. 1524 Comment
  HSC16399  Gayophytum diffusum subsp. parviflorum R. C. Wunner 1965-8-21 412 Siskiyou Lava Beds N.M., N boundary area near Hovey Pt. 1220 Comment
  UC204395  Gayophytum heterozygum A. A. Heller 1914-8-25 11708 Siskiyou near Deetz Station (opposite Black Butte) 1158 Comment
  SBBG21797  Gayophytum humile D. Myrick 1964-7-25 955 Siskiyou Shasta Ski Bowl Hwy 1219 Comment
  SBBG30545  Gayophytum humile D. Myrick 1968-6-28 2051 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk, Trinity Alps 1524 Comment
  UCR131606  Gayophytum humile L. C. Wheeler 1934-6-22 2770 Siskiyou Siskiyou Mtns., Cottonwood Creek 1006 Comment
  JEPS27500  Gayophytum ramosissimum W. L. Jepson 1940-6-23 19998 Siskiyou e of Mayten (e side of Little Shasta Valley); Little Shasta Valley 883 Comment
  UC609349  Gentiana calycosa Eleanor Burks Hart 1938-8-16 899 Siskiyou moist hillside on e side of lake Scott Bar Quad, Boulder Pk., Lower Wright Lake 2103 Comment
  JEPS50870  Gentiana calycosa Al Hobart 1967-8-8 Siskiyou n side Preston Peak (w-most Siskiyou County); Siskiyou Range 1828 Comment
  UCD169072  Gentiana calycosa J. M. Tucker; L. K. Mann 1963-8-18 3746 Siskiyou Marble Mountain Wilderness Area, Upper Canyon Creek, ca. 1/2 mile northeast of the Marble Valley Guard Station. 1920 Comment
  SEINET8586406  Gentiana newberryi W. Roderick 1967-9-1 s.n. Siskiyou Cedar Lake, W of Mount Shasta. 1829 Comment
  HSC96313  Gentiana newberryi var. newberryi Gordon Leppig 1998-8-14 1020 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  CAS-BOT-BC217414  Gentiana plurisetosa C. C. Harris; S. K. Harris 1939-8-29 976 Siskiyou Half Moon Meadow, Marble Mountain Primitive Area 1670 Comment
  JEPS24352  Gentiana plurisetosa Geo. D. Butler 1908-8-3 419 Siskiyou Log Lake Shackelford Creek 1737 Comment
  CAS-BOT-BC459619  Geum macrophyllum Wm. Bridge Cooke 1938-6-24 11081 Siskiyou MacBride Springs Comment
  CAS-BOT-BC143590  Geum triflorum John Thomas Howell 1939-8-8 15176 Siskiyou Black Mts., Marble Mts. Comment
  CAS-BOT-BC143594  Geum triflorum Elmer I. Applegate 1935-6-8 9431 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  JEPS83037  Geum triflorum L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2301 Siskiyou 0.8 mi s Bray junction (on U.S. Hwy 97, Murphy Wells); Murphy Wells 1493 Comment
  CAS-BOT-BC283868  Glyceria borealis Alice Eastwood 1912-7-25 1285 Siskiyou Sisson Comment
  UCR143023  Glyceria borealis L. C. Wheeler 1934-6-26 2797 Siskiyou Siskiyou Mountains, Cottonwood Creek 838 Comment
  UCD85158  Glyceria elata J. M. Tucker 1963-8-19 3774 Siskiyou Marble Mountain Wilderness Area, headwaters of Canyon Creek. 1950 Comment
  CAS-BOT-BC302672  Gnaphalium palustre Geo. D. Butler 1910-6-12 1560 Siskiyou Yreka Creek Comment
  HSC2268  Gnaphalium palustre Geo. D. Butler 1910-6-12 1560 Siskiyou Yreka Creek Comment
  UCD132457  Gnaphalium palustre John M. Tucker 1974-7-28 4330 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  CDA3423  Gypsophila paniculata T. C. Fuller 1963-8-27 11160 Siskiyou North limits of Macdoel. 0 Comment
  UC573114  Hackelia bella Dorothy Tebbe 1929-7-15 133 Siskiyou Salmon Summit; Salmon Mountains Comment
  JEPS2565 Image available Hackelia californica C. G. Pringle 1881-8-23 Siskiyou Mount Shasta Comment
  RSA235840  Hackelia californica J. L. Gentry Jr., David Vierig 1968-6-18 2064 Siskiyou 3.7 miles northeast of Mt. Shasta City on U.S. Forest Road 40N25. Comment
  HSC19532  Hastingsia alba J. O. Sawyer 1969-7-18 1366 Siskiyou E of Waterdog Lake 2012 Comment
  JEPS62095  Hastingsia alba W. L. Jepson 1914-8-13 5789 Siskiyou Sisson 1097 Comment
  CAS-BOT-BC508658  Hastingsia alba W. B. C. 1939-7-21 13727 Siskiyou Sedge Swamp at Wagon Camp Comment
  CAS-BOT-BC123565  Hazardia whitneyi var. discoidea John Thomas Howell 1939-8-9 15236 Siskiyou Marble Mts. South of Sky High Valley 1981 Comment
  HSC26109  Hazardia whitneyi var. discoidea J. P. Smith, J. O. Sawyer 1972-9-12 Siskiyou Scott Mtn., slopes E of Big Carmen Lake 1982 Comment
  CAS-BOT-BC306351  Helenium Alice Eastwood 1912-7-15 1088 Siskiyou McCloud Comment
  CAS-BOT-BC306354  Helenium L. E. Smith 1914-7-6 752 Siskiyou Cantara Comment
  CAS-BOT-BC306756  Helenium bigelovii Doris K. Kildale 1929-7-20 8712 Siskiyou Raspberry Lake, upper South Fork of Indian Creek 1828 Comment
  UCD35428  Helenium bigelovii Beecher Crampton 1956-8-21 3809 Siskiyou Slopes of Gumboot Lake, headwater of the south fork of the Sacramento River. 1920 Comment
  OBI55478  Helenium bigelovii David J. Keil, Kathleen Keil 1992-7-21 23529 Siskiyou Klamath Natl Forest sE of Callahan. forest Rd 40N08, 0.5 mi W of Scott Mtn rd (hwy 3) Comment
  UC336924  Helenium puberulum unknown 1878-7-1 Siskiyou near Mt. Shasta Comment
  JEPS33586  Helianthella californica subsp. shastensis W. L. Jepson 1894-1 Siskiyou Sisson Comment
  UC166239  Helianthus bolanderi Geo. D. Butler 1908-8-27 337 Siskiyou near Oro Fino Comment
  UCD132902  Helianthus bolanderi A. A. Heller 1916-9-1 12640 Siskiyou near Yreka. Comment
  UC34188  Hemizonella minima Harley P. Chandler June, 1901 1641 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  SD43482  Hesperocyparis bakeri Carl B. Wolf 1944-10-30 11481 Siskiyou Modoc Lava Beds, 1 mile northeast of Timbered Crater on Old Stage Road from Dana to Little Hot Springs Valley 1220 Comment
  SD40655  Hesperocyparis bakeri Carl B. Wolf 1944-10-29 Siskiyou northwest side of Goose Nest Mountain, about 1 mile due south of Old Smith Sawmill on Montague to Mount Hebron Road 1675 Comment
  UCD110546  Hesperolinon micranthum Robert E. Preston 1995-6-22 895 Siskiyou Irongate Reservoir, on open slopes w of Mirror Cove. 731 Comment
  HSC36744  Heteromeles arbutifolia Brent Whitely 1975-6-24 52 Siskiyou 235 Comment
  JEPS125901  Heterotheca oregona var. rudis Dean W. Taylor 1996-7-23 15817 Siskiyou Klamath National Forest; Patterson Creek headwaters, ca 6 air miles NW of Etna 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
  CAS-BOT-BC420702  Heuchera merriamii Ira L. Wiggins 1955-7-29 13581 Siskiyou Summit of ridge above Thompson Creek, trail to Caribou Lake 1999 Comment
  UC858017  Heuchera merriamii John Thomas Howell 1937-7-24 13400 Siskiyou Caribou Basin; Salmon-Trinity Alps 1981 Comment
  CAS-BOT-BC420733  Heuchera merriamii Gilbert Muth 1965-8-11 s.n. Siskiyou In upper meadows, Marble Valley Comment
  RSA0063189  Heuchera merriamii J. M. Tucker 1963-8-19 3773 Siskiyou Headwaters of Canyon Creek. At the E base of Marble Mountain. Marble Mountain Wilderness Area. 1951 Comment
  RSA0063193  Heuchera merriamii William J. Ferlatte 1967-8-23 1093 Siskiyou Head of Kidd Creek. Trinity Alps. 2134 Comment
  RSA0062937  Heuchera micrantha var. micrantha Albert M. Vollmer, L. Beane 1951-6-2 50 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway. Comment
  HSC22258  Hieracium albiflorum J. O. Sawyer 1969-7-23 1445 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1341 Comment
  POM259365  Hieracium albiflorum J. T. Howell 1939-8-2 14895 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  RSA264991  Hieracium albiflorum G. L. Clifton 1975-7-28 5723 Siskiyou Near Cook and Green Pass near the Seiad Valley 1646 Comment
  UC61071  Hieracium albiflorum W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta, Sisson Comment
  HSC29096  Hieracium albiflorum Frederick W. Oettinger, R. F. Thorne 1969-8-6 1258 Siskiyou Marble Mtn. Wilderness Area, Tobacco Lake Basin 1890 Comment
  RSA245213  Hieracium albiflorum Carl W. Mize 1972-6-8 7 Siskiyou Forks of Salmon quad. 320 Comment
  HSC34826  Hieracium bolanderi J. P. Smith, J. O. Sawyer 1975-10-23 8488 Siskiyou 1768 Comment
  RSA170206  Hieracium greenei Joseph P. Tracy 1949-9-15 18559 Siskiyou Blue Ridge on road between Cecilville and sawyer's Bar, near the summit. Salmon Mountains. 1585 Comment
  RSA215623  Hieracium greenei Gilbert Muth 1969-8-7 1268 Siskiyou On east side of Boulder Peak Ridge. 2470 Comment
  UC897833  Hieracium nudicaule Lewis S. Rose 1937-7-26 37609 Siskiyou McCloud 1005 Comment
  HSC36469  Hieracium scouleri J. O. Sawyer 1968-7-22 526 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  RSA238749  Hieracium scouleri Frederick W. Oettinger 1969-9-4 1642 Siskiyou Slope from Lily Pond to Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  HSC29126  Hieracium triste Frederick W. Oettinger 1968-8-8 448 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: Ridge above Upper English Lake near trail to English Peak 2165 Comment
  HSC31802  Holodiscus discolor Steve Selva, Roger Jensen 1974-8-16 2 Siskiyou N facing slopes above Sugar Lake Comment
  JEPS83829  Holodiscus discolor Wayne Roderick July 1978 Siskiyou Siskiyou mts.; vicinity Cook and Green Pass Comment
  CAS-BOT-BC152373  Holodiscus discolor var. discolor W. R. Dudley 1901-8-24 s.n. Siskiyou Head of Coffee Creek, Salmon Mts. Comment
  CAS-BOT-BC150139  Holodiscus microphyllus var. glabrescens A. A. Heller 1914-8-28 11730 Siskiyou East side of Mt. Eddy 2499 Comment
  CAS-BOT-BC150143  Holodiscus microphyllus var. glabrescens E. B. Copeland 1903-10-11 3784 Siskiyou Mt. Eddy Comment
  HSC67791  Holodiscus microphyllus var. glabrescens J. O. Sawyer, J. Cole 1980-7-20 3750 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  JEPS95114  Holodiscus microphyllus var. glabrescens Vernon Oswald and Lowell Ahart 1997-7-28 8773 Siskiyou 16 mi s of Medicine Lake (Forest Route 49 (Powder Hill Road) at 41N03 to Porcupine Butte); Forest Route 49 1365 Comment
  RSA11809  Holodiscus microphyllus var. glabrescens Elmer I. Applegate 1923-8-18 3852 Siskiyou Hoffman Mtn, Medicine Lake Comment
  RSA714933  Holodiscus microphyllus var. glabrescens M. E. Fishbein, Doris Greer 2006-8-3 5874 Siskiyou S base of Medicine Lake Glass Flow, just N of Medicine Lake. 2070 Comment
  CAS-BOT-BC94844  Holodiscus microphyllus var. microphyllus R. C. Wenk 2005-7-15 210 Siskiyou Trinity Alps, above South Fork of the Salmon River, along Yellow Rose Mine trail 2133 Comment
  RSA597962  Holodiscus microphyllus var. microphyllus Louis C. Wheeler 1963-9-3 8340 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. 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
  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
  UC485548  Horkelia daucifolia F. W. Hooper Apr. 1897 Siskiyou Little Shasta Comment
  UC545664  Horkelia daucifolia Alice Eastwood and John Thomas Howell 1934-4-20 1752 Siskiyou near Yreka (on Fort Jones Rd) Comment
  RSA3817  Horkelia daucifolia A. A. Heller 1927-5-14 14384 Siskiyou Siskiyou County: Klamath and Shasta Valley, near Gazelle Comment
  UC453995  Horkelia fusca subsp. parviflora I. J. Condit 1911-7-15 Siskiyou McCloud Comment
  HSC28087  Horkelia fusca var. brownii J. D. Ackerman, A. M. Montalvo 1973-7-20 105 Siskiyou 3.7 mi. W of McCloud along Hwy. 89 Comment
  SBBG15756  Horkelia tridentata D. Myrick 1961-6-22 315 Siskiyou Hwy 89 near McCloud Comment
  UC545673  Horkelia tridentata subsp. tridentata Louis C. Wheeler 1934-6-29 2821 Siskiyou Beaver Creek Siskiyou Mts., Mt. Diablo Mer 1341 Comment
  CAS-BOT-BC539433  Horkelia tridentata var. tridentata Alice Eastwood 1912-7-15 1062 Siskiyou McCloud Comment
  CAS-BOT-BC201122  Hosackia crassifolia L. E. Smith 1913-6-29 440 Siskiyou Rainbow Comment
  CAS-BOT-BC201133  Hosackia crassifolia Doris K. Kildale 1929-7-20 8573 Siskiyou South Fork Indian Creek near Gilmore's 457 Comment
  UC1005589  Hydrophyllum capitatum var. alpinum Frank W. Gould 1940-5-14 1238 Siskiyou near Bull Meadows (Goosenest Mountain); Goosenest Mountain 1524 Comment
  POM74210  Hydrophyllum fendleri var. albifrons Geo. D. Butler 1910-7-9 1720 Siskiyou Wooly Creek. 1677 Comment
  JEPS101288  Hydrophyllum occidentale Dean W. Taylor 1972-7-3 1575 Siskiyou Salmon Mountains, near Little Duck Lake 1828 Comment
  RSA0110956  Hydrophyllum occidentale Gilbert Muth 1966-7-8 361 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  SEINET11259600 Image available Hymenoxys lemmonii G. D. Butler 1910-7-4 1640 Siskiyou Shasta River Comment
  UC61688  Hypericum formosum var. scouleri Geo. B. Grant September 1902 5248 Siskiyou Mt. Shasta 609 Comment
  CAS-BOT-BC401284  Hypericum perforatum Carl B. Wolf 1927-8-26 1094 Siskiyou On the Klamath River, 14 mi. above Happy Camp Comment
  HSC36738  Hypericum perforatum Brent Whiteley 1975-6-17 1 Siskiyou 223 Comment
  CAS-BOT-BC88618  Idahoa scapigera L. E. Smith 1913-4-22 89 Siskiyou Yreka. Comment
  CAS-BOT-BC206828  Iliamna bakeri Carl B. Wolf 1934-7-6 6029 Siskiyou Mt. Shasta, along Snow Line Road, 3 3/10 mi. from Mt. Shasta City 1524 Comment
  RSA114972  Ipomopsis aggregata subsp. formosissima E. K. Balls, Lee W. Lenz 1956-6-18 21803 Siskiyou 4.4 mi. e. of McCloud, State Hwy. 89 1037 Comment
  RSA211091  Ipomopsis aggregata subsp. formosissima William J. Ferlatte 1966-7-7 209 Siskiyou northwest side of Caribou Mountain. 1829 Comment
  CHSC4534  Ipomopsis arizonica J. E. Bowlin 1967-7-18 58 Siskiyou On roadside, ca. 4 mi w of Mount Shasta Ski Bowl. 1981 Comment
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Jul 13 2018
  RSA105310  Ipomopsis congesta Milo S. Baker 1955-6-26 13081 Siskiyou Hwy 99, 4 miles south of Gazella 915 Comment
  CAS-BOT-BC133533  Iris bracteata C. L. Hitchcock; J. S. Martin 1939-7-7 5270 Siskiyou Sanger Peak Trail, ca. 13 miles south of Takilma, Oregon 1066 Comment
  JEPS52326  Iris chrysophylla Wayne Roderick 1963-6-10 Siskiyou ca. 10 mi. e. McCloud Comment
  SEINET3875271  Iris douglasiana D. E. Bright 1961-6-15 192 Siskiyou 5 miles west of Bray, California in dry stream-bed.; 0 Comment
  JEPS17222  Iris missouriensis Geo. D. Butler 1909-7-22 883 Siskiyou Goosenest Mountain Comment
  CDA39596  Iris missouriensis T. C. Fuller 1962-6-13 8983 Siskiyou Toad Well, road to Medicine Lake, ca. 12 miles northeast of Bartle. 0 Comment
  SEINET3876298  Iris missouriensis George Neville Jones 1967-6-30 45138 Siskiyou Grass Lake northeast of Weed.; 0 1524 Comment
  CAS-BOT-BC133696  Iris tenax Marc Baker 1980-6-20 2182 Siskiyou Near Bald Mountain 274 Comment
  HSC42959  Iris tenuissima J. O. Sawyer, K. T. Stillman 1976-5-30 2756 Siskiyou Along Specimen Creek. 915 Comment
  RSA240091  Iris tenuissima Frederick W. Oettinger 1969-8-12 1332 Siskiyou Near Yellow Dog Creek. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 915 Comment
  UCD138819  Iris tenuissima L. W. Lenz 1953-5-17 18313 Siskiyou along Salmon River 1.25 mile above junciton with Klamath. 176 Comment
  CAS-BOT-BC88661  Isatis tinctoria D. E. Breedlove 1962-6-10 3311 Siskiyou Siskiyou Mountains. Along Indian Cree Road, 6.8 miles northwest of Happy Camp. 457 Comment
  CHSC96035  Isatis tinctoria L. P. Janeway 2006-7-3 8768 A Siskiyou Klamath Ranges. Salmon Mountains; southwest side of Taylor Lake Trailhead Road 0.8 km south of the main road; south-facing bowl at the head of Taylor Creek. 1804 Comment
  OBI4718  Isatis tinctoria T. C. Fuller 1960-5-26 4344 Siskiyou Greenhorn Crk, 1.5 mi W of Yreka Comment
  SEINET10481750  Isatis tinctoria Katherine L. Morris, David B. Dunn; Patricia L. Kenney 1973-6-3 Morris 367 Siskiyou Found in an open meadow associated with yellow pine on the s. Side of hwy 3, 22 mi. E. Of fort jones. Comment
  UCD115198  Isatis tinctoria R. C. Bacigalupi; S. Galen Smith 1957-6-27 5973 Siskiyou Grass Lake, along Highway 97. 1524 Comment
  SEINET10573312  Isopyrum stipitatum Edward L. Greene 1876-1 Greene 689 Siskiyou Collected near Yreka Comment
  CHSC114171  Juglans hindsii R. E. Brainerd 2010-8-11 1739 Siskiyou Boles Creek in Weed between E, Lake Street and S. Weed Boulevard. UTM Zone 10 551456E 45888885820N 1048 Comment
  CAS-BOT-BC110018  Juncus Melissa A. Berry 1957-7-4 s.n. Siskiyou High CCC Road, south of Highway 96, between Ridge and Humbug roads. 1371 Comment
  CAS-BOT-BC110020  Juncus Melissa A. Berry 1957-7-1 s.n. Siskiyou Highway 97 near Hebron Summit. 1524 Comment
  CAS-BOT-BC110024  Juncus Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mount Eddy. 1706 Comment
  RSA368201  Juncus articulatus J. P. Smith 1978-7-1 9995 Siskiyou Klamath National Forest; O Neill Creek Campground. 488 Comment
  HSC60829  Juncus balticus subsp. ater Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley. 1220 Comment
  RSA368148  Juncus bolanderi J. P. Smith, J. O. Sawyer 1978-7-3 10008 Siskiyou Klamath National Forest. Williams Point along the Klamath River, south of State Route 96. Comment
  RSA22086  Juncus confusus J. T. Howell 1939-8-3 15005 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  UC1265305  Juncus drummondii Frederick W. Oettinger 1968-8-2 360 Siskiyou e shore Diamond Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 2072 Comment
  RSA44498  Juncus effusus subsp. pacificus Henry M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, near Somes Bar. Comment
  CHSC35626  Juncus ensifolius R. E. Preston 1981-8-22 140 Siskiyou N shore of Juanita Lake. 1555 Comment
  HSC39873  Juncus ensifolius J. O. Sawyer 1969-7-23 1173 Siskiyou Near Horse Range Creek 1341 Comment
  JEPS24611  Juncus ensifolius Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6764 Siskiyou in the 1.5 mi stretch between Shasta Retreat (at n outskirts of Dunsmuir) to Mossbrae Falls and Shasta Springs (along S.P. (Shasta Route) railway grade); Upper Sacramento River Canyon 731 Comment
  HSC33332  Juncus ensifolius William J. Ferlatte 1974-7-14 1528 Siskiyou Big Flat near S fork of the Salmon River, at edge of river below campground. 1509 Comment
  HSC30700  Juncus hemiendytus var. hemiendytus Frederick W. Oettinger, R. F. Thorne 1969-8-7 1266 Siskiyou Marble Mtn. Wilderness Area, W of Upper English Lake 1768 Comment
  CHSC82792  Juncus howellii L. P. Janeway 2002-7-12 7630 Siskiyou High Cascade Range. Along Ash Creek 5.0 km south of summit of Ash Creek Butte, about 0.8 km northwest of The Ford. 1561 Comment
  HSC22186  Juncus mertensianus J. O. Sawyer 1969-8-5 1961 Siskiyou Slopes W of South Sugar Creek 1799 Comment
  CAS-BOT-BC127617  Juncus mertensianus W. B. Cooke 1938-8-18 11475 Siskiyou Mount Shasta. Horse Camp Springs. Around several springs above Horse Camp along the Summit Trail. 2514 Comment
  RSA238921  Juncus mertensianus Frederick W. Oettinger 1968-9-10 817 Siskiyou Just south above Horse Range Lake. Salmon Mtns High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1845 Comment
  CHSC70198  Juncus nevadensis Jennifer Whipple 1978-10-6 2431 Siskiyou Mount Eddy, Klamath Mountains. Dale Creek drainage on the north face of Mount Eddy. 2255 Comment
  HSC82380  Juncus nevadensis var. nevadensis Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4534 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  LA20061  Juncus nevadensis var. nevadensis Wm. Bridge Cooke; 1940-8-22 15471 Siskiyou Mt. Shasta, near springs in Mud Creek Canyon 1981 Comment
  HSC92706  Juncus parryi Jennifer Whipple 1976-7-23 1517 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2317 Comment
  JEPS40885  Juncus parryi Paul C. Hutchison 1962-8-2 934 Siskiyou between top of ski lift and Panther Meadow; Mt. Shasta 2621 Comment
  RSA233671  Juncus parryi Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38978 Siskiyou Mt. Shasta National Forest; S slope of Mt. Shasta. 2317 Comment
  CAS-BOT-BC81133  Juniperus communis Louis C. Wheeler 1934-8-14 3123 Siskiyou south slope 1/2 mile west White Mt., Siskiyou Mts. 1920 Comment
  HSC40469  Juniperus communis var. jackii J. O. Sawyer 1973-7-18 2553 Siskiyou 1524 Comment
  SD76159  Juniperus communis var. saxatilis Helen V. Witham 1969-10-5 564 Siskiyou Salmon Mountains, Duck Lake 1950 Comment
  CAS-BOT-BC81229  Juniperus occidentalis Doris K. Kildale 1928-7-5 5547 Siskiyou 10 miles north of Yreka on Pacific highway on Shasta River Comment
  UCD133042  Juniperus occidentalis Beecher Crampton 1960-2-1 5475 Siskiyou 5 miles SW of Macdoel. Along State Hwy. 97. Comment
  HSC61974  Kalmia polifolia Al Hobart 25 Jul [year missing] Siskiyou Preston Peak 1982 Comment
  UC1037376  Kalmia polifolia subsp. microphylla Douglas Barbe 1955-7-6 125 Siskiyou se shore of Taylor Lake Taylor Lake; Klamath Mountains, Salmon Mountains, Taylor Lake 1950 Comment
  RSA447646  Kelloggia galioides M. B. Dunkle 1945-1 9344 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  RSA747342  Kelloggia galioides K. M. Meyer, A. Townesmith 2007-7-29 171 Siskiyou Shasta-Trinity National Forest. 0.3 mi. on 40N25 Rd., off Siskiyou County Rd., A10/Everitt Memorial Hwy. 1805 Comment
  UC28415  Kelloggia galioides C. B. Bradley 1879-1 Siskiyou Comment
  UCD121979  Kelloggia galioides Alfred H. Murphy 1961-7-19 61 -I Siskiyou Marble Mountains, Klamath National Forest. North end Sky High Valley. 1584 Comment
  UCR244765  Kelloggia galioides K. M. Meyer, A. Townesmith 2007-7-29 171 Siskiyou Shasta-Trinity National Forest; 0.3 mi. on 40N25 Rd., off Siskiyou County Rd. A10/Everitt Memorial Hwy 1805 Comment
  HSC81991  Koeleria macrantha Thomas W. Nelson, Jane P. Nelson 1979-6-16 4864 Siskiyou Above Mule Creek, along Hwy. 3, 4.4 mi. N of Scott Mtn. Summit 1220 Comment
  UCD86007  Koeleria macrantha L. Whitney 1934-6-29 2293 Siskiyou Tennant. 1524 Comment
  UC1045298  Kyhosia bolanderi W. B. Cooke 1940-8-2 15408 Siskiyou meadows Wagon Camp; Mount Shasta Comment
  HSC41075  Kyhosia bolanderi J. O. Sawyer 1969-9-11 2017 Siskiyou Behind Sugar Lake 2073 Comment
  HSC41089  Kyhosia bolanderi J. O. Sawyer 1969-8-5 1997 Siskiyou Along trail to Sugar Lake Comment
  HSC76773  Kyhosia bolanderi K. T. Stillman 1976-8-7 371 Siskiyou Marble Mtn. Wilderness Area; trail from Black Mtn. Camp to Jump off point 1951 Comment
  JEPS38986  Lagophylla ramosissima W. L. Jepson 1940-6-22 19968 Siskiyou Hutton Creek 792 Comment
  CAS-BOT-BC204985  Lathyrus jepsonii var. californicus Geo. D. Butler 1910-7-6 1644 Siskiyou Shackleford Creek Comment
  CDA17136  Lathyrus nevadensis G. F. Hrusa 2001-6-6 15850 Siskiyou Siskiyou Mountains; Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. 1424 Comment
  JEPS55338  Lathyrus nevadensis var. nevadensis Harley P. Chandler Jun 1901 1713 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  RSA406676  Lathyrus polyphyllus M. B. Dunkle 1944-6-25 9018 Siskiyou Siskiyou National Park. Comment
  SEINET7042781  Lepidium campestre A. G. Vestal 1955-5-17 s.n. Siskiyou Scott Valley, 0.8 mile north of Etna on route 3. Etna quadrangle UTM Zone 10, 508563mE, 4590750mN. Comment
  HSC101560  Lepidium chalepense J. P. Smith, J. O. Sawyer 2010-5-6 12814 Siskiyou Roadside along Klamath River 536 Comment
  CAS-BOT-BC88926  Lepidium densiflorum var. densiflorum Geo. D. Butler 1910-6-27 1612 Siskiyou Yreka Creek. Comment
  UC375300  Lepidium densiflorum var. macrocarpum Geo. D. Butler 1909-7-14 130 Siskiyou near Yreka Comment
  RSA52437  Lepidium montanum var. canescens Dorothy Parker 1948-6-11 s.n. Siskiyou Yreka. Comment
  CAS-BOT-BC89838  Lepidium nitidum L. E. Smith 1913-4-2 s.n. Siskiyou Hornbrook Road to Klamathon. Comment
  UC1126705  Lepidium perfoliatum L. Whitney 1934-6-23 4 Siskiyou Tennant Dorris Quad., Antelope Creek 1463 Comment
  CAS-BOT-BC12834  Lepidium perfoliatum Doris K. Kildale 1929-6-25 8356 Siskiyou 6 miles north of Klamath River on Pacific Highway. Comment
  RSA211089  Leptosiphon ciliatus William J. Ferlatte 1967-6-27 537 Siskiyou Big Flat 1524 Comment
  RSA238566  Leptosiphon nuttallii Frederick W. Oettinger 1969-9-5 1687 Siskiyou Next basin east of Salamander Pond, near Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  SEINET12006370  Lesquerella occidentalis H. P. Chandler 1901-1 1653 Siskiyou Marble Mountain 2438 Comment
  CAS-BOT-BC341892  Lessingia nemaclada Lowell Ahart 1983-9-13 4412 Siskiyou Near the highway 96, near the Klamath River, about 5 miles west of Interstate Highway 5 1000 Comment
  RSA44881  Lessingia nemaclada J. C. Roos 1948-9-1 3938 Siskiyou Fort Jones Comment
  UC1557829  Lessingia nemaclada J. Semple, S. Heard 1986-8-16 8497 Siskiyou se of Etna (on CA-3, at intersection with road to Gazelle) Comment
  CAS-BOT-BC342100  Leucanthemum vulgare Dorothy Parker 1946-7-29 s.n. Siskiyou Plowman's Valley 1188 Comment
  HSC4871  Leucothoe davisiae J. O. Sawyer 1968-7-23 620 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  HSC4874  Leucothoe davisiae J. O. Sawyer 1968-6-18 209 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  HSC752  Leucothoe davisiae William J. Ferlatte 1966-8-3 279 Siskiyou Josephine Lake basin. 1677 Comment
  SEINET2029206 Image available Leucothoe davisiae John P. Young 1921-9-15 s.n. Siskiyou Etna Mills Comment
  CAS-BOT-BC444053  Lewisia cotyledon var. cotyledon John Thomas Howell 1939-8-3 14954 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  JEPS96888  Lewisia cotyledon var. cotyledon Dean W. Taylor 1999-6-10 17253 Siskiyou Marble Mountains, Mill Creek, ca. 4 miles W from Mugginsville in Quartz Valley, northerly facing slopes near watershed divide with Kidder Creek 1584 Comment
  CAS-BOT-BC444045  Lewisia cotyledon var. cotyledon Gilbert Muth 1965-8-5 306 Siskiyou North slope of Marble Rim, near Blk. Mt. Comment
  HSC29488  Lewisia leeana Frederick W. Oettinger 1968-8-22 594 Siskiyou Marble Mtn. Wilderness Area, slope between English Peak and Diamond Lake 2195 Comment
  JEPS105026  Lewisia leeana Dean W. Taylor 1996-7-25 15868 Siskiyou Scott Mtns.; Crater Lake, in cirque above upper lake (about 10 air miles west of Weed); Klamath National Forest 2331 Comment
  UC1299365  Lewisia leeana Freed W. Hoffman 1951-7-15 4027 Siskiyou above Packers Valley; Marble Mountains 2133 Comment
  UC1090386  Lewisia rediviva Milo S. Baker 1957-6-16 13122 Siskiyou Scott Mt. 1645 Comment
  CAS-BOT-BC444579  Lewisia triphylla Arthur L. Menzies 1962-7-23 s.n. Siskiyou Castle Lake Comment
  CAS-BOT-BC444582  Lewisia triphylla Wm. Bridge Cooke 1938-9-8 11657 Siskiyou Mount Shasta. Squaw Creek Meadows. Comment
  HSC77041  Lewisia triphylla K. T. Stillman 1976-6-25 24 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  CAS-BOT-BC283812  Leymus cinereus Geo. D. Butler 1909-6-19 839 Siskiyou Near Yreka Comment
  UC197482  Leymus triticoides Geo. D. Butler 1910-6-25 1603 Siskiyou Yreka Comment
  UCD65583  Leymus triticoides August L. Hormay 1932-7-15 s.n. Siskiyou Weed Valley. Comment
  HSC76876  Ligusticum californicum K. T. Stillman 1976-9-9 465 Siskiyou Marble Mountain Wilderness Area, Marble Valley Guard Station. 1738 Comment
  UCD127546  Ligusticum californicum J. M. Tucker 1963-8-20 3786 Siskiyou Canyon Creek, ca. 1/2 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area. 1920 Comment
  RSA691933  Ligusticum grayi Barbara Ertter 1990-7-14 9342 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4 air miles west of Mt. Shasta City 1829 Comment
  UC165764  Ligusticum grayi Geo. D. Butler 1908-8-11 459 Siskiyou Shackleford Creek near Quartz Valley; Shackleford Creek Comment
  UC648277  Ligusticum grayi John Thomas Howell 1939-8-9 15198 Siskiyou Marble Mts., Sky High Valley 1828 Comment
  POM82382  Ligusticum grayi Geo. D. Butler 1908-8-11 459 Siskiyou [Unspecified] Comment
  HSC22275  Lilium kelleyanum J. O. Sawyer 1969-8-4 1888 Siskiyou Above S Sugar Lake 2043 Comment
  RSA184814  Lilium washingtonianum subsp. purpurascens Gilbert Muth 1966-7-29 133 Siskiyou Marble Valley, near marble, Marble Mountain 1793 Comment
  UC164043  Lilium washingtonianum subsp. purpurascens Geo. D. Butler 1908-7-12 1113 Siskiyou Humbug Mountain Comment
  RSA237915  Lilium washingtonianum subsp. purpurascens Frederick W. Oettinger 1968-8-16 541 Siskiyou Below Red Hill summit north of Hancock Lake. Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  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
  UC1191631  Linanthus harknessii Herbert L. Mason 1948-7-18 13606 a Siskiyou Grass Lake Comment
  CDA40099  Linanthus harknessii T. C. Fuller 1960-6-3 4614 Siskiyou East bank of Toad Lake, ca. 7 miles north of Bartle. 0 Comment
  POM229948  Lindernia dubia var. dubia Louis C. Wheeler 1934-9-15 3261 Siskiyou Walker, Klamath River, Siskiyou Mts. (Mt. Diablo Mer.) 518 Comment
  CAS-BOT-BC240384  Linnaea borealis subsp. longiflora L. E. Smith 1913-7-12 458 Siskiyou Downeys Mill 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
  UC1408888  Linnaea borealis var. longiflora F. W. Oettinger 1969-8-9 1319 Siskiyou at stream crossing North Fork River enroute up to Abbott's Upper Cabin (Salmon Mountains, western Siskiyou County); Salmon Mountains, North Fork River 1356 Comment
  RSA761684  Linum lewisii Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63354 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Comment
  UC609319  Linum lewisii Eleanor Burks Hart 1938-8-18 902 Siskiyou upper edge of Big Meadow Big Meadow 2286 Comment
  CHSC96621  Listera banksiana L. P. Janeway 2006-7-1 8724 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow, north side of South Fork Salmon River. 1579 Comment
  UC70413  Lithocarpus densiflorus Milo S. Baker Jul 1899 Siskiyou Shasta Springs 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-BC36574  Lithocarpus densiflorus var. echinoides W. R. Dudley 1893-6-30 s.n. Siskiyou by trail to Castle Lake Comment
  RSA298361  Lithophragma affine subsp. affine J. P. Smith 1973-5-5 6473 Siskiyou Along Cook and Green Pass road. Comment
  CHSC27759  Lithophragma glabrum William Frank 1978-4-1 3 Siskiyou Scattered throughout foothills facing s Lake Shastina via public fishing access road ca. 3 miles to end. Comment
  JEPS47687  Lithophragma glabrum J. W. Kisling 1910-1 Siskiyou Edgewood Comment
  SBBG30540  Lithophragma parviflorum D. Myrick 1968-6-25 2010 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  CAS-BOT-BC317333  Lithospermum californicum L. E. Smith 1913-6-29 s.n. Siskiyou Mt. Eddy Comment
  CAS-BOT-BC325943  Lithospermum californicum A. M. Vollmer; L. Beane 1951-6-2 81 Siskiyou Happy Camp, Klamath River Highway Comment
  CAS-BOT-BC325939  Lithospermum californicum A. A. Heller 1905-6-13 8017 Siskiyou Shasta Springs. On the slope between the railroad and the river above Shasta Springs. Comment
  CDA40613  Lithospermum californicum Gene Deal 1968-6-11 s.n. Siskiyou Adar Mill prop., Mt Shasta. 0 Comment
  RSA25721  Lithospermum californicum C. B. Wolf 1941-7-26 11080 Siskiyou Sacramento River Canyon, 1 mile below Dunsmuir. 671 Comment
  SEINET10591996  Lolium perenne A. Arthur Heller 1921-7-5 Heller 13564 Siskiyou Moist soil at Abrams Lake, near the town of Mt. Shasta, in the yellow pine belt. Comment
  SEINET3143861  Lomatium californicum G. D. Butler 1910-5-18 1359 Siskiyou near Yreka Comment
  HSC76647  Lomatium macrocarpum K. T. Stillman 1976-8-7 175 Siskiyou Marble Mtn. Wilderness Area. 2073 Comment
  HSC29129  Lomatium macrocarpum Frederick W. Oettinger 1969-7-10 958 Siskiyou Marble Mountain Wilderness Area, SSW of Upper English Lake 1921 Comment
  SDSU2236  Lomatium marginatum D. F. Howe 1977-7-5 4995 Siskiyou 15 miles southeast of Granada. 1219 Comment
  RSA60802  Lomatium nevadense I. L. Wiggins 1950-5-28 12361 Siskiyou Margins of Carmen Lake, ca. 1.5 miles E of Scott Mtn road. 1738 Comment
  CHSC88401  Lomatium nudicaule Jenny Marr 1993-7-1 160 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC54311  Lomatium nudicaule H. M. Hall and E. B. Babcock June, 1903 4053 Siskiyou 18th crossing Sacramento R. Mt. Shasta; Sierra Nevada Mts., , Sacramento R. 1280 Comment
  OBI8857  Lomatium peckianum Lincoln Constance, Emil DiFulvio 1962-4-17 3751 Siskiyou 5.2 mi S of Yreka 792 Comment
  JEPS17002  Lomatium piperi Geo. D. Butler Feb 14 1909-Feb 28 1909 578 Siskiyou Yreka Comment
  UC165315  Lomatium piperi Geo. D. Butler 1910-3-14 1130 Siskiyou Yreka Comment
  UC165428  Lomatium vaginatum Geo. D. Butler Apr 18 1909-Apr 30 1909 624 Siskiyou near Yreka Comment
  RSA455709  Lonicera ciliosa Edwin Kline 1920-6-24 s.n. Siskiyou Siskiyou Mts. Comment
  RSA238538  Lonicera conjugialis Frederick W. Oettinger 1969-8-7 1275 Siskiyou SE end of English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1753 Comment
  RSA238544  Lonicera conjugialis Frederick W. Oettinger 1967-8-21 318 Siskiyou Due NW of Pine Lake in Pine Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA68930  Lonicera conjugialis A. E. Culbertson 1943-7-12 28 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall, 14 miles SW of Mt Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  UC602554  Lonicera conjugialis Joseph P. Tracy 1935-8-1 14405 Siskiyou on ridge between Salmon River and New River (at extreme head of West Fork of Knownothing Creek); Rock Lake 1889 Comment
  RSA68924  Lotus crassifolius A. E. Culbertson 1943-7-12 33 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 above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  UC454695  Lotus crassifolius var. crassifolius I. J. Condit 1911-7-3 Siskiyou Shasta Retreat, along S.P.R.R. Comment
  UC375405  Lotus humistratus Geo. D. Butler 1908-7-1 388 Siskiyou near Yreka Comment
  SEINET6655545  Lotus nevadensis var. douglasii M. L. Conrad, LeDoux; Kenney 1973-6-2 6976 Siskiyou 6 miles southwest of Callahan.; 0 Comment
  UC585219  Lotus nevadensis var. nevadensis E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1892 Siskiyou about 2 mi s Yreka 822 Comment
  JEPS50868  Luetkea pectinata Al Hobart 1967-8-8 Siskiyou n side Preston Peak Comment
  SEINET11546885 Image available Luetkea pectinata C. L. Hitchcock, J. S. Martin 1939-7-9 5328 Siskiyou 1/2 mile southeast of King's Castle; Marble Mountains 1829 Comment
  UC860312  Luetkea pectinata John Thomas Howell 1939-8-2 14872 Siskiyou Spirit Lake; Marble Mts. Comment
  UCD113635  Luetkea pectinata Jack Major; M. Fleschner and R. Pemble 1966-9-5 s.n. Siskiyou Along trail from Marble Mountain to Sky High Lake, east of Marble Mountain, Marble Mountains. 1975 Comment
  UC725972  Lupinus A. A. Heller 1929-5-4 14860 Siskiyou Yreka Shasta River (Shasta River) Comment
  OBI53778  Lupinus David J. Keil 1992-7-20 23476 Siskiyou 10.3 mi W of Fort Jones along Scott River Rd 900 Comment
  RSA119497  Lupinus C. P. Smith 1947-5-13 47274 Siskiyou 7.4 miles east of Weed. Highway 97. Comment
  UCD105861  Lupinus albicaulis A. A. Heller 1915-7-18 12117 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  HSC32762  Lupinus albicaulis Frederick W. Oettinger 1969-8-19 1462 Siskiyou Marble Mtn. Wilderness Area, Abbott's Lake. 1860 Comment
  UC865447  Lupinus albicaulis var. shastensis John Thomas Howell 1939-8-7 15115 Siskiyou Sky High Valley; Marble Mts., Sky High Valley 1828 Comment
  POM11364  Lupinus albicaulis var. shastensis C. P. Smith 1922-8-9 3728 Siskiyou Sisson, Mt. Shasta. 2287 Comment
  RSA211165  Lupinus albicaulis var. shastensis William J. Ferlatte 1966-8-18 426 Siskiyou Willow Creek Trail 1982 Comment
  RSA60787  Lupinus albicaulis var. shastensis Dorothy Parker 1948-8-10 180 Siskiyou Forks of Etna Creek, Salmon Mountain. 1177 Comment
  HSC71540  Lupinus albifrons J. P. Smith, Steve Selva 1970-6-15 3952 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  RSA0069565  Lupinus albifrons Daisie Huang 2006-8-4 06080402 Siskiyou Klamath River Highway, west of I-5. 634 Comment
  SEINET10484556  Lupinus albifrons var. flumineus Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-2 Conrad 6974 Siskiyou Western yellow pine, libocedrus, douglas fir forest, 6 miles sw of callahan 1524 Comment
  SEINET10871209  Lupinus albifrons var. flumineus David B. Dunn, Billy Joe Cox 1971-6-9 Dunn 17949 Siskiyou 11 mile n of weed, on us hwy 97; decomposed lava, sandy, on a se facing slope; Assoc. With juniper, artemisia, purshia and arctostaphylos 1250 Comment
  SEINET10871210  Lupinus albifrons var. flumineus Paul Gallian, Billy Joe Cox 1971-6-9 Gallian 689 Siskiyou 11 miles n of weed, on us hwy 97; decomposed lava, sandy on slight s-e-facing Slope; assoc. With juniper, artemisia, purshia and arctostaphylos 1250 Comment
  JEPS95095  Lupinus angustiflorus Vernon Oswald and Lowell Ahart 1997-7-28 8796 Siskiyou Bullseye Lake se of Medicine Lake; Bullseye Lake 2057 Comment
  RSA91209  Lupinus argenteus var. argenteus F. W. Peirson 1923-7-19 3609 Siskiyou Lairds Landing. Comment
  CAS-BOT-BC196376  Lupinus argenteus var. heteranthus Elmer I. Applegate 1923-9-17 3830 Siskiyou South end of Lower Klamath Lake Comment
  RSA237888  Lupinus breweri var. breweri Frederick W. Oettinger 1967-7-25 183 Siskiyou Ridge SSE of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2223 Comment
  CAS-BOT-BC215188  Lupinus croceus Roxana S. Ferris; Laura Lorraine 1948-6-12 11810 Siskiyou At Mule Creek Crossing of Scott Mountain Road 1524 Comment
  UC1607589  Lupinus croceus Barbara Ertter 1990-7-14 9330 Siskiyou ca 4 airmi w Mt. Shasta City (Wagon Creek on e-side of Mt. Eddy); e side Mt. Eddy, Wagon Creek 1889 Comment
  SEINET10490747  Lupinus croceus var. croceus James P. Smith, Steven B. Selva 1970-6-15 Smith, Jr. 3971 Siskiyou 20 mi. E of cecilville on the rd. To callahan; mixed conifer forest. 1646 Comment
  SEINET10838198  Lupinus klamathensis Charles Piper Smith 1947-5-13 Smith 47279 Siskiyou Weed. Roadside. Hwy 99, s side. Comment
  SEINET11159979  Lupinus klamathensis Morris, K. , Conrad; Dunn, D., Dunn, D. 1973-6-2 357 Siskiyou Siskiyou County Comment
  SEINET10577542 Image available Lupinus lapidicola A. Arthur Heller 1920-7-9 Heller 13422 Siskiyou High up on the bare eastern slope of Mt. Eddy in coarse gravel. Hudsonian zone, the trees of Pinus albicaulis few and scattered. Comment
  RSA582445  Lupinus latifolius subsp. latifolius Louis C. Wheeler 1935-6-13 3573 Siskiyou Shackleford Creek. Marble Mtns. 976 Comment
  HSC75194  Lupinus latifolius subsp. viridifolius K. T. Stillman 1976-7-7 165 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  UC60975  Lupinus latifolius var. viridifolius Geo. B. Grant September 1902 5233 Siskiyou Mount Shasta, Shasta Springs Mount Shasta; , Shasta Springs 609 Comment
  UCD108249  Lupinus lepidus var. confertus A. A. Heller 1916-7-21 12481 Siskiyou near Upton. 1097 Comment
  CHSC48564  Lupinus lepidus var. sellulus Vernon Oswald 1986-5-29 2072 Siskiyou Hwy 97 between Macdoel and Hebron Summit, 31.5 mi ne of Weed. 1219 Comment
  JEPS83243  Lupinus lepidus var. sellulus W. L. Jepson 1940-6-28 20060 Siskiyou McCloud 975 Comment
  UC82074  Lupinus leucophyllus Dr. E. B. Copeland 1903-7-14 3518 Siskiyou Klamathon Comment
  SEINET10488765  Lupinus luteolus Katherine L. Morris 1973-6-2 Morris 337 Siskiyou Decomposed volcanic soil on hornbrook to montague rd, about 1 mi se of Hornbrook. Comment
  CHSC26297  Lupinus obtusilobus J. P. Kroessig 1977-8-5 57 Siskiyou Panther Meadow on Mt. Shasta, n end of Everitt Memorial Hwy, ca. 6 km s of Mt. Shasta Peak. 2285 Comment
  RSA104328  Lupinus obtusilobus A. A. Heller 1920-8-12 13516 Siskiyou A short distance below Horse Camp, Mt. Shasta. Comment
  SEINET10450723  Lupinus obtusilobus Thorne 1969-8-10 THORNE 38990 Siskiyou Mt. Shasta national forest. S slope of mt shasta. At base of boulders of dry, Sunny, volcanic slopes above the ski-lodge. 2408 Comment
  SEINET11072098 Image available Lupinus onustus A. A. Heller 1905-1 21994 Siskiyou Near Sisson Comment
  CHSC930  Lupinus polyphyllus var. pallidipes K. Jaekel 1939-7-7 Siskiyou Mt. Shasta. 1219 Comment
  RSA582428  Lupinus rivularis Louis C. Wheeler 1935-7-23 3679 Siskiyou Head W. Fk. Beaver Creek. 1646 Comment
  SEINET10488898  Lupinus sellulus Katherine L. Morris 1973-5-25 Morris 279 Siskiyou Collected 1.4 mi ne of wheat on u.s. 97 In an area of yellow pine, purshia, and Manzanita at the side of a cemetery. Comment
  SEINET10490872  Lupinus sellulus var. sellulus Joseph W. Congdon 1900-8-15 Congdon s.n. Siskiyou Forks castle road. Comment
  HSC68469  Luzula comosa Maralyn A. Renner 1980-6-26 1141 Siskiyou Flint Valley 1390 Comment
  RSA60626  Luzula comosa I. L. Wiggins 1950-5-28 12362 Siskiyou Margins of Carmen Lake, ca. 1.5 miles E of Scott Mtn road. 1738 Comment
  UCD77846  Luzula comosa Robert E. Preston 2001-6-23 1611 b Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 1965 Comment
  HSC30722  Luzula divaricata Frederick W. Oettinger 1968-8-8 447 Siskiyou Marble Mtn Wilderness Area, where old Tanner's Peak Trail meets English Peak Trail along ridge heading to the peak 2165 Comment
  JEPS66702  Luzula parviflora B. C. Goldsmith 1916-7-23 9 Siskiyou 6 mi from McCloud; McCloud River, 6 mi from McCloud Comment
  HSC26763  Madia elegans J. P. Smith, J. O. Sawyer 1971-9-18 4850 Siskiyou 3.9 mi. from the junction of S.R. 3 and Rd. 8 near Callahan 1189 Comment
  UC165393  Madia elegans Geo. D. Butler 1910-5-23 1400 Siskiyou Humbug Mt. 1066 Comment
  POM30799  Madia exigua Geo D. Butler 1910-6-6 1536 Siskiyou Quartz Valley Comment
  CHSC79468  Madia gracilis G. F. Hrusa 1998-7-5 14690 Siskiyou Northern California. Siskiyou Mountains. Bear Creek Rd. +/- 1/2 mi. N of Hwy 96 and 10 mi. SW of Happy Camp. UTM: 10S, 04623 N, 46153 E. Comment
  CAS-BOT-BC343438  Madia gracilis Wm. Bridge Cooke 1938-8-5 11440 Siskiyou McBride Springs, Mount Shasta 1524 Comment
  HSC5976  Madia gracilis R. C. Wunner 1965-6-26 277 Siskiyou California Lava Beds National Monument: 1/2 was up trail on Schonchin Butte 1494 Comment
  UC179495  Madia sativa subsp. dissitiflora A. A. Heller 1914-8-25 11707 Siskiyou Deetz Station near Black Butte; Deetz Station 1158 Comment
  RSA12612  Mahonia aquifolium C. B. Wolf 1934-7-5 5973 Siskiyou 7 mi. from Oak Knoll R. S. on Klamath River, on rd. to Dry Lake Lookout, Siskiyou Mts. 1372 Comment
  RSA377698  Maianthemum racemosum M. B. Dunkle 1944-7-7 9082 Siskiyou Siskiyou National Forest Comment
  HSC36714  Maianthemum racemosum subsp. amplexicaule Brent Whiteley 1975-6-29 110 Siskiyou 976 Comment
  SEINET12049835  Maianthemum racemosum subsp. amplexicaule F. H. Utech 1986-1 86 -479 Siskiyou Klamath National Forest, West Branch Recreation Area, ca 12 mi NE of Happy Camp to Waldo 1000 Comment
  CAS-BOT-BC514185  Maianthemum stellatum Wm. Bridge Cooke 1938-7-1 11148 Siskiyou Mount Shasta, Below Wagon Camp 1706 Comment
  UCD139117  Maianthemum stellatum J. M. Tucker 1963-7-5 3702 Siskiyou On Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1615 Comment
  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
  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
  UC165788  Melica aristata Geo. D. Butler 1909-7-15 811 Siskiyou Russian Creek 1828 Comment
  CAS-BOT-BC271213  Melica bulbosa Jason Swallen 1939-7-21 13735 Siskiyou Above Wagon Camp, Mount Shasta 1767 Comment
  POM265992  Melica californica Lincoln Constance, R. C. Rollins 1942-5-14 2934 Siskiyou Shasta River 6 miles north of Yreka. 762 Comment
  UC167206  Melica fugax Geo. D. Butler 1909-5-26 824 Siskiyou near Yreka Comment
  CAS-BOT-BC282075  Melica fugax A. A. Heller 1921-7-7 13518 Siskiyou Mount Eddy W of Wagon Creek 2133 Comment
  JEPS85757  Melica subulata Roy E. Buck and Robert A. Price 1988-8-9 1071 Siskiyou ca 1.2 air km wnw Cub Spring (e of Forest Serv Rd 39N56, 28 air km e of McCloud, w side of n-draining intermittent stream) 1280 Comment
  JEPS94679  Mentha canadensis Vernon H. Oswald and Lowell Ahart 1998-7-21 9323 Siskiyou Hwy 97 between Weed and Macdoel (at w end of lake); Grass Lake 1524 Comment
  HSC15838  Mentzelia laevicaulis R. C. Wunner 1965-8-21 447 Siskiyou Lava Beds National Monument, Canby Cross area 1220 Comment
  CAS-BOT-BC428549  Micranthes aprica Alice Eastwood 1921-7-28 10909 Siskiyou Medicine Lake Comment
  CAS-BOT-BC428980  Micranthes ferruginea Geo. D. Butler 1908-8-9 24 Siskiyou Marble Valley Comment
  CAS-BOT-BC428984  Micranthes ferruginea Doris K. Kildale 1929-7-20 8591 Siskiyou Southeast spur of Preston Peak 1950 Comment
  CAS-BOT-BC429036  Micranthes nidifica John Thomas Howell 1980-4-30 53449 Siskiyou Yreka 792 Comment
  UC163825  Microseris laciniata subsp. laciniata Geo. D. Butler 1910-5-28 1420 Siskiyou Shasta Valley Comment
  UC707027  Microseris laciniata subsp. siskiyouensis G. L. Stebbins Jr. with A. A. Beetle 1942-6-1 3273 Siskiyou along river 2 mi n Swillup Creek Ranger Station; Klamath River 270 Comment
  UC829638  Microseris nutans John Thomas Howell 1937-7-22 13266 Siskiyou near Big Flat; South Fork of Salmon River 1524 Comment
  HSC39747  Microsteris gracilis J. O. Sawyer 1970-4-4 2088 Siskiyou Along Sugar Creek 823 Comment
  POM75051  Microsteris gracilis subsp. gracilis Geo D. Butler 1910-3-28 1148 Siskiyou Yreka. Comment
  RSA237549  Mimulus alsinoides Frederick W. Oettinger 1969-7-10 959 Siskiyou Cliff above southwest end of Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1921 Comment
  JEPS10547  Mimulus breweri Milo S. Baker 1893-6 28 Siskiyou 6 mi w (below) Bartle's; McCloud River Comment
  UC26886  Mimulus breweri Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
  HSC36527  Mimulus breweri J. O. Sawyer 1969-7-1 974 Siskiyou SE slope above Paynes Lake Creek 1921 Comment
  RSA408133  Mimulus breweri Louis C. Wheeler 1935-6-27 3595 Siskiyou Etna Creek, Marble Mtns. 1524 Comment
  JEPS10466  Mimulus guttatus Geo. D. Butler 1909-5-2 714 Siskiyou near Yreka Comment
  JEPS11529  Mimulus guttatus Willis L. Jepson July 1894 22 m Siskiyou Sisson Comment
  RSA211429  Mimulus guttatus William J. Ferlatte 1966-8-17 401 Siskiyou Northwest side of Caribou Mountain. 1982 Comment
  JEPS94384  Mimulus jepsonii Vernon Oswald and Lowell Ahart 1997-7-28 8783 Siskiyou Forest Route 56 (42N56) 3.7 mi e of Forest Route 49 (edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave); Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave 1755 Comment
  SEINET7073517  Mimulus latifolius A. G. Vestal 1963-6-1 s.n. Siskiyou Southeast rim of Shasta Valley. About 0.2 mile northwest of Route 97 on the road to Dwinnell Reservoir (Lake Shastina). UTM Zone 10, 551439mN, 4588002mN. Coordinate datum: NAD27. Comment
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  RSA68907  Mimulus layneae A. E. Culbertson 1943-7-17 51 Siskiyou Castle Lake, in 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.; 200' above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  UC726059  Mimulus layneae A. A. Heller 1938-7-12 15248 Siskiyou 8 mi n Weed (on U. S. Highway #97) Comment
  HSC22289  Mimulus lewisii J. O. Sawyer 1968-7-10 502 Siskiyou Above Sugar Lake 2012 Comment
  UC164257  Mimulus moniliformis Geo. D. Butler 1910-6-5 1511 Siskiyou Log Lake Shackleford Creek Comment
  UCD122803  Mimulus moschatus J. M. Tucker; D. V. Hemphill 1974-7-27 4305 Siskiyou at edge of Haypress Creek, Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  RSA237536  Mimulus moschatus Frederick W. Oettinger 1967-8-20 290 Siskiyou Just below spring at Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 2049 Comment
  SEINET12336912  Mimulus nanus var. jepsonii D. M. Thompson 1988-1 932 Siskiyou 8 mi E of McCloud along Hwy 89, SW corner of jct of Bigelow Meadows Rd & Hwy 89, opposite Hwy 89 1100 Comment
  HSC68583  Mimulus nanus var. nanus Maralyn A. Renner 1980-6-24 1064 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  UC1063560  Mimulus nanus var. nanus M. H. Mitchell 1936-5-22 51 Siskiyou Black Crater Modoc Lava Beds Nat'l Monument, Dorris Quadrangle Comment
  UC796452  Mimulus nanus var. nanus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11717 Siskiyou Schoolhouse Hill East Fork of Scott River, Plowmans Valley (Noyes Valley) Comment
  UCD122893  Mimulus primuloides J. M. Tucker 1950-7-24 1950 Siskiyou beside Cold Creek at the Military Road crossing, about 6 miles northwest of Pilgrim Creek Experiement Station, east side of Mt. Shasta. Comment
  UC164262  Mimulus primuloides subsp. linearifolius Geo. D. Butler 1908-8-4 452 Siskiyou head Shackleford Creek 1676 Comment
  UC27095  Mimulus pulsiferae Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
  CAS-BOT-BC388879  Minuartia douglasii A. A. Heller 1905-6-20 8084 Siskiyou Between Igerna and Weed Comment
  CAS-BOT-BC388882  Minuartia douglasii J. H. Thomas 1954-5-14 4166 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, Southwestern Siskiyou County 1219 Comment
  CHSC75696  Minuartia nuttallii subsp. gregaria Vernon H. Oswald; Lowell Ahart 1999-7-2 9821 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southeast of Gazelle-Callahan Hwy., 0.6 mi northwest of the highway summit. On a roadcut. 1569 Comment
  UC852385  Minuartia nuttallii subsp. gregaria Alice Eastwood 1912-8-30 2017 Siskiyou Mount Eddy Comment
  UC165271  Mitella diversifolia Geo. D. Butler 1908-7-20 224 Siskiyou near Yreka (head of gulch); Long Gulch Comment
  HSC4892  Mitella pentandra J. O. Sawyer 1968-6-25 322 Siskiyou Along Horse Range Creek 1829 Comment
  HSC91200  Mitella pentandra Jennifer Whipple 1977-8-6 2234 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC1409260  Mitella pentandra Frederick W. Oettinger 1968-8-8 376 Siskiyou Base Camp Meadow Salmon Mountains, Marble Mountain Wilderness Area (edge, between Diamond Lake and Hancock Lake, w Siskiyou Co.) 2011 Comment
  JEPS1216  Mitella trifida Freed Hoffman 1951-7-11 4034 a Siskiyou Hammond's Stock-raising Camp Marble Mountains, Kelsey Creek (about 8 mi above Scott River, w Siskiyou Co.) 1524 Comment
  HSC92974  Monardella odoratissima Jennifer Whipple 1976-8-21 1732 Siskiyou S face of Mt. Eddy draining into N Fork of the Sacramento River 2378 Comment
  UC2035946  Monardella odoratissima subsp. glauca C. Epling 1938-6-13 Siskiyou Near Weed Comment
  CAS-BOT-BC222166  Monardella odoratissima subsp. pallida Doris K. Kildale 1928-7-2 5378 Siskiyou Salmon Summit via Horn Creek trail 1981 Comment
  JEPS63390  Monardella odoratissima subsp. pallida Geo. D. Butler 1908-8-3 167 Siskiyou near Log Lake; Shackelford Creek 1524 Comment
  POM69089  Monardella purpurea Geo. D. Butler 1910-5-23 1393 Siskiyou Humbug Mtn. 1220 Comment
  CAS-BOT-BC220235  Monardella sheltonii Alice Eastwood; John Thomas Howell 1940-6-14 824 Siskiyou Lava Beds Nat. Mon. near Indian Well Comment
  HSC27667  Monardella sheltonii Carl W. Mize 1972-6-21 58 Siskiyou 0.25 mi. above rd. on WSW slope 274 Comment
  SEINET10498958  Monardella villosa subsp. subserrata Morris 1973-6-2 MORRIS 362 Siskiyou Jct of shasta and klamath rivers on hwy 263 Comment
  JEPS84216  Monotropa hypopitys L. R. Heckard with J. Hickman et al. 1986-7-17 6450 Siskiyou ca 5 mi n Seiad Valley; Cook and Green Pass 1465 Comment
  RSA135346  Monotropa hypopitys Volney Rattan 1879-06 s.n. Siskiyou Klamath. Comment
  HSC73382  Montia chamissoi Doug Renwick, Robert Kirkpatrick 1981-5-30 160 Siskiyou 3 mi. from Hwy. 3 on FS Rd. 40N22 1220 Comment
  RSA760929  Montia dichotoma R. F. Thorne, Frederick W. Oettinger 1969-8-4 63381 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1768 Comment
  CAS-BOT-BC444877  Montia fontana W. R. Dudley 1893-6-23 s.n. Siskiyou Castle Crag, near Mt. Shasta Comment
  CAS-BOT-BC445209  Montia parvifolia Edward Lee 1934-8-13 1054 Siskiyou Indian Creek, 4 miles north of Happy Camp, Klamath National Forest 411 Comment
  CAS-BOT-BC445215  Montia parvifolia Alice Eastwood 1923-5-20 11858 Siskiyou Shasta Springs Comment
  SJSU6510  Montia parvifolia Trivelpiece 1972-6-15 117 Siskiyou Vann Cr near Bear Peak c. 15 mi SW of Happy Camp 1280 Comment
  JEPS121614  Muhlenbergia andina Kendra Sikes 2011-9-13 Siskiyou Bogbean Fen, Caldwell Lakes Basin, headwaters of Parks Creek, east slope of China Mountain. Gently sloping wet meadow, W aspect, over gabbro. China Mountain quadrangle. CLB_1 #B Comment
  HSC39859  Muhlenbergia asperifolia J. P. Smith, Steve Selva 1970-8-9 4582 Siskiyou In potato fields W of Macdoel. Comment
  CAS-BOT-BC267050  Muhlenbergia filiformis H. E. Brown 1897-6-11 425 Siskiyou N side, Mount Shasta 2743 Comment
  SEINET10599811  Muhlenbergia filiformis Louis C. Wheeler 1935-7-26 Wheeler 3703 Siskiyou Damp sunny meadow, Jaynes Canyon, Siskiyou Mts. T47N R10W S12, Mt. Diablo Mer. 1951 Comment
  SEINET10827781  Muhlenbergia filiformis Paul M. Peterson, Carol R. Annable 1988-8-14 Peterson 4862 Siskiyou Shasta-Trinity National Forest, 8 mi E of McCloud off Hwy 89 and 1 mi S towards McCloud River. Pinus ponderosa, Arctostaphylos patula, Purshia tridentata, and Ceanothus spp. Comment
  CHSC69100  Muhlenbergia jonesii Vernon Oswald; Lowell Ahart 1997-7-28 8784 Siskiyou Forest Route 56 (42N56) 3.7 mi east of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave. 1755 Comment
  CHSC71288  Myosotis discolor Vernon H. Oswald; Lowell Ahart 1998-6-11 9211 Siskiyou Old State Hwy. 0.5 mi west of Bray, ca. 10 air mi east of Grass Lake located on Hwy. 97, ca. 23 air mi northeast of Weed. Along a roadside ditch on the edge of the meadow. 1414 Comment
  RSA795332  Myosotis laxa L. Ahart, John Dittes 2010-7-30 16944 Siskiyou 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 air miles southwest of Big Springs Lake., 4.6 air miles northwest of Dwinnel Dam, 5.7 air miles southeast of Grenada. 717 Comment
  CHSC66541  Nama lobbii Vernon H. Oswald 1996-7-12 8001 Siskiyou Everitt Memorial Hwy.(A10) E of Mt. Shasta city between mileposts 6 and 7. 1798 Comment
  CDA40299  Nama lobbii G. Deal 1966-7-18 s.n. Siskiyou Mt. Shasta, above Mt. Shasta City, 1/4 mile behind ski rental shop on road to ski bowl. 0 Comment
  RSA145168  Narthecium californicum Dorothy Parker 1959-7-20 735 Siskiyou Below Rock Fence Lake 1829 Comment
  HSC62452  Navarretia capillaris Ruby Van Deventer 1959-7-9 Siskiyou Twin Valley. 1524 Comment
  UC163862  Navarretia divaricata Geo. D. Butler 1908-8-8 104 Siskiyou lake at head of West Fork of Woolly Creek West Fork of Woolly Creek Comment
  RSA238014  Navarretia divaricata Frederick W. Oettinger 1968-8-8 578 Siskiyou Tobacco Lake meadows. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC1409295  Navarretia divaricata Frederick W. Oettinger 1969-7-28 1091 Siskiyou n of Pine Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wildeness Area 2011 Comment
  CAS-BOT-BC230313  Navarretia heterandra H. D. Ripley; R. C. Barneby 1948-1-1 9630 Siskiyou 1 mile W of Montague Comment
  HSC44289  Navarretia intertexta J. P. Smith, Steve Selva 1970-8-8 4551 Siskiyou Juanita Lake Comment
  POM74489  Navarretia intertexta Edward Palmer 1892-7-13 2451 Siskiyou Mt. Shasta and vicinity. Comment
  JEPS81653  Navarretia leucocephala subsp. minima L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2298 Siskiyou on US Hwy 97 0.8 mi s Bray junction; Murphy Wells 1493 Comment
  UC164095  Navarretia tagetina Geo. D. Butler 1910-5-26 1406 Siskiyou Yreka Comment
  HSC22175  Nemophila parviflora var. austiniae J. O. Sawyer 1969-7-16 1150 Siskiyou W of Waterdog Lake 2073 Comment
  UC24282  Nemophila parviflora var. austiniae Harley P. Chandler June, 1901 1649 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2286 Comment
  HSC43147  Nicotiana acuminata Ken Stillman 1976-8-24 423 Siskiyou Along Klamath River at Williams Point. 366 Comment
  UC164455  Nicotiana attenuata Geo. D. Butler 1910-7-1 1618 Siskiyou near Yreka 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
  CHSC110961  Nothocalais alpestris B. Castro; L. P. Janeway 2007-7-28 1662 Siskiyou High Cascade Range. Medicine Lake Highlands; west side of Arnica Sink about 4 mi west of Glass Mountain and ca 1 mi NE of Medicine Lake. Off either side of E-W side-road off of Modoc NF Rd43N99. 2045 Comment
  RSA184704  Nothocalais alpestris Gilbert Muth 1966-7-14 389 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mountains. 1829 Comment
  JEPS83878  Nothochelone nemorosa Wayne Roderick Jul 1976 Siskiyou along trail to Lily Pad Lake (vicinity of Cook and Green Pass, Siskiyou Mountains); Siskiyou Mountains 1463 Comment
  UC1409397  Nuphar polysepala Frederick W. Oettinger and R. F. Thorne 1969-8-7 1273 Siskiyou e side of English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1752 Comment
  RSA15589  Oenothera villosa subsp. strigosa Carl B. Wolf 1927-8-27 1132 Siskiyou On the Klamath River. 7 miles below Happy Camp. Comment
  POM211388  Olsynium douglasii Louis C. Wheeler 1935-3-18 3377 Siskiyou Cottonwood Creek, Siskiyou Mtns. (Mt Diablo Mer.) 945 Comment
  UCD138859  Olsynium douglasii var. douglasii Sandra L. Holloway 1963-4-9 18 Siskiyou road to Pythian Cave, between Yreka and Grenada, west of U.S. Highway 99. 762 Comment
  CDA7582  Onopordum tauricum T. C. Fuller, W. T. Parsons 1960-7-26 4878 Siskiyou F. Voelker ranch, west edge of Meiss Lake Basin, just south of Sam s Neck, ca. 15 miles southwest of Dorris. 0 Comment
  HSC96878  Oreostemma alpigenum Gordon Leppig 1997-8-23 673 Siskiyou Russian Wilderness, Little Duck Lake Fen 2200 Comment
  CAS-BOT-BC355590  Oreostemma alpigenum var. andersonii L. E. Smith 1913-9-1 550 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC355594  Oreostemma alpigenum var. andersonii A. A. Heller 1915-8-26 12225 Siskiyou Heather Meadow near the head of Wagon Creek Canon [Canyon], Mt. Eddy 2590 Comment
  HSC24897  Oreostemma alpigenum var. andersonii Richard Spjut 1970-7-17 449 Siskiyou Edges of Gumboot Lake, Scott Mtns. 1829 Comment
  CAS-BOT-BC355591  Oreostemma alpigenum var. andersonii W. R. Dudley 1899-8-26 s.n. Siskiyou Upper Sacramento Comment
  JEPS24818  Oreostemma alpigenum var. andersonii Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6834 Siskiyou just below and n of Scott Mtn. Road summit; Scott Mtn. 1615 Comment
  UC1400367  Orogenia fusiformis Frederick W. Oettinger 1969-7-13 999 Siskiyou campsite at n.e. corner Upper English Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1767 Comment
  SD230221  Orthilia secunda Louis C. Wheeler 1959-7-25 7594 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  JEPS26530  Orthocarpus cuspidatus subsp. copelandii Lauramay T. Dempster 1961-7-3 1874 Siskiyou w face Scott Mountain (se of Callahan); w face of Scott Mountain, se of Callahan Comment
  SBBG40873  Orthocarpus cuspidatus subsp. copelandii C. B. Hardham 1961-6-30 7997 b Siskiyou near Mud Spring Comment
  UC718019  Orthocarpus cuspidatus subsp. copelandii Carl B. Wolf 1934-7-4 5938 Siskiyou 13.5 mi from Horse Creek Bridge (Horse Creek--Dry Lake Lookout); Siskiyou Mountains, Klamath River, Horse Creek, Dry Lake 1524 Comment
  UCD123233  Orthocarpus cuspidatus subsp. copelandii Dean William Taylor 1972-7-4 1604 Siskiyou near Lily Pad Lake 3 miles west of Cook and Green Pass. 1981 Comment
  RSA237568  Orthocarpus cuspidatus subsp. copelandii Frederick W. Oettinger 1967-8-10 245 -b Siskiyou 1/8 mile southeast of Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  JEPS101144  Orthocarpus pachystachyus Dean W. Taylor 1996-6-18 15721 Siskiyou Scott Mountains; bordering Shasta Valley, base of hillslopes about 4 miles south of Gazelle, about 100 meters upslope from the Yreka Ditch 960 Comment
  HSC29190  Osmorhiza berteroi Frederick W. Oettinger 1969-7-10 952 Siskiyou Marble Mountain Wilderness Area, W of English Lake 1761 Comment
  HSC76759  Osmorhiza occidentalis K. T. Stillman 1976-7-14 238 Siskiyou Marble Mtn. Wilderness Area Comment
  HSC83920  Oxyria digyna K. Berg, Stephanie Bennett 1986-8-25 647 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  CAS-BOT-BC316761  Packera cana Marion L. Campbell 1916-7-15 s.n. Siskiyou Moraine Lake to Arroyo Creek Comment
  UCD32840  Panicum acuminatum var. fasciculatum Beecher Crampton 1964-8-26 7176 Siskiyou 0.6 miles east of Bartle on Hwy. 89. 1310 Comment
  UCD37092  Panicum capillare Beecher Crampton 1956-8-21 3853 Siskiyou Siskiyou County, 1.5 miles southwest of city of Mount Shasta, Castle Lake Road. 1036 Comment
  UCSC004605  Panicum capillare Randall Morgan 2004-5-31 4178 Siskiyou Castle Crags State Park, Sacramento River Comment
  CDA3570  Papaver rhoeas D. Bush 1967-8-2 Siskiyou Southern Pacific Railroad right of way, Hatfield. 0 Comment
  RSA114963  Papaver rhoeas E. K. Balls, Lee W. Lenz 1956-6-18 21719 Siskiyou US Highway 99, Gazelle 823 Comment
  JEPS128826  Parnassia fimbriata Julie Kierstead Nelson with Martin Lenz 2017-10-3 2017 -057 Siskiyou Headwaters of West Fork Parks Creek, adjacent to Road 41N29Y, 2 miles NE of China Mountain, eastern Klamath Ranges. Comment
  CAS-BOT-BC202839  Paxistima myrsinites Ira L. Wiggins 1955-7-24 13487 Siskiyou Ridge betw. upper reaches of China Creek and Blind Horse Creek 1463 Comment
  CAS-BOT-BC202843  Paxistima myrsinites Doris K. Kildale 1928-7-4 5465 Siskiyou 3 miles west of summit on Sawyers Bar - Etna Mills road Comment
  CAS-BOT-BC202855  Paxistima myrsinites Doris K. Kildale 1928-7-4 5517 Siskiyou Summit of divide between Sawyers Bar & Etna Mills Comment
  CAS-BOT-BC202867  Paxistima myrsinites W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Lake Trail, near Mt. Shasta 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
  HSC4829  Pedicularis bracteosa var. flavida J. O. Sawyer 1968-7-23 624 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  SFV8542  Pedicularis groenlandica J. M. Tucker, D. V. Hemphill 1974-7-26 4293 Siskiyou Marble Mountain Wilderness Area. Let 'Er Buck Meadows. About 0.5 miles southeast of Haypress Meadows. 1433 Comment
  HSC76756  Pedicularis racemosa K. T. Stillman 1976-7-21 271 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  RSA425341  Pedicularis racemosa M. B. Dunkle 1944-7-18 9149 Siskiyou Siskiyou National Forest. Comment
  UC705511  Pellaea brachyptera Marion Ownbey and D. H. Brown 1941-6-22 2424 Siskiyou nw of Yreka (w of Craggy Mt) Comment
  CAS-BOT-BC67683  Pellaea brachyptera Louis C. Wheeler 1934-6-21 75592 Siskiyou Klamath National Forest - W. fork of Cottonwood Cr. 1371 Comment
  POM208290  Pellaea brachyptera L. C. Wheeler 1934-6-21 2744 Siskiyou Siskiyou Mountains:West Fork Cottonwood Creek. 1238 Comment
  CAS-BOT-BC67668  Pellaea breweri Geo. D. Butler 1908-8-8 240 Siskiyou Marble Valley Comment
  POM281761  Pellaea breweri Geo D. Butler 1908-8-8 240 Siskiyou Marble Valley. Comment
  JEPS83890  Penstemon anguineus Wayne Roderick July 1976 Siskiyou vicinity Cook and Green Pass; Siskiyou Mountains, vicin Cook and Green Pass Comment
  UC164291  Penstemon anguineus Geo. D. Butler 1908-8-6 428 Siskiyou Independence Creek , Whiskey Camp (Whiskey Camp) Comment
  UC922585  Penstemon anguineus Annie M. Alexander and Louise Kellogg 1948-9-8 5597 Siskiyou top of grade between Sawyers Bar and Etna; between Sawyers Bar and Etna Comment
  SD88544  Penstemon anguineus Darley F. Howe 1972-8-5 Siskiyou Happy Camp Road from Oregon near state line 1707 Comment
  SEINET3160236  Penstemon californicus G. D. Butler 1910-7-12 1761 Siskiyou Shackleford Creek 1219 Comment
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Jul 30 2019
  RSA151969  Penstemon cinereus R. C. Bacigalupi, L. R. Heckard, G. Bacigalupi, Ruth D. Sanderson 1952-6-18 3740 Siskiyou Near Panther Creek Guard Station, along Little Shasta River, 16 miles E of Montague on forest road to Mount Hebron. 1280 Comment
  CAS-BOT-BC265363  Penstemon davidsonii var. davidsonii Alice Eastwood 1912-9-1 2057 Siskiyou Mount Shasta Comment
  UC696751  Penstemon davidsonii var. davidsonii Elmer I. Applegate 1923-8-18 3858 Siskiyou crest of Red Shale Mountain [Red Shale Butte] Medicine Lake Region 2438 Comment
  HSC19139  Penstemon deustus J. O. Sawyer 1969-6-13 1110 Siskiyou Slope above Little Duck Lake 2134 Comment
  HSC26106  Penstemon deustus J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5673 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  JEPS26524  Penstemon deustus var. suffrutescens Lauramay T. Dempster 1961-7-2 1862 Siskiyou s.w. Etna (ridge w. of Salmon Mt. Summit) 1828 Comment
  JEPS95925  Penstemon deustus var. suffrutescens Vernon H. Oswald and L. Ahart 1999-7-5 9815 Siskiyou Hwy. 3 0.5 mi southeast of Gazelle-Callahan Hwy.: T40N R8W Sect. 23, 3250 ft, mixed coniferous forest 990 Comment
  SBBG7147  Penstemon gracilentus H. and M. Dearing 1948-9-12 6727 Siskiyou Mt Shasta 2316 Comment
  UCSB11850  Penstemon humilis Haller, John 1961-6-23 Siskiyou near U.S. Highway 97; 3.8 mi S of Hebron Summit; about 27 mi NE of Weed 1493 Comment
  RSA17740  Penstemon humilis var. humilis Elmer I. Applegate 1935-6-2 9268 Siskiyou Indian Wells; Lava Beds Nat'l Monument Comment
  UCR24850  Penstemon laetus John C. Roos 1948-9-2 3974 Siskiyou 6 mi SW of Yreka 1300 Comment
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Aug 13 2007
  SEINET5328851 Image available Penstemon laetus var. leptosepalus K. Vincent 1987-6-27 4437 Siskiyou Sierra Nevada, Big Bear Flat; logging area in coniferous forest along N side of CA 89 just E of Dead Horse Summit, ca. 5.4 mi SE of Bartle, 1250 Comment
  UC1341739  Penstemon laetus var. sagittatus Noel H. Holmgren, James L. Reveal 1966-6-9 2678 Siskiyou US 97, 4 mi n Weed; Shasta Valley, n of Weed 1158 Comment
  NY604547  Penstemon laetus var. sagittatus F. W. Pennell 1940-7-20 26198 Siskiyou Fowlers Camp, 5-6 miles southeast of McCloud 1005.8 Comment
  NY604553  Penstemon laetus var. sagittatus K. A. Vincent 1987-6-28 4440 Siskiyou Cascade Range, Mount Shasta; along east side of US 97 ca. 5.1 miles northeast of jct. I-5 Business Loop in Weed. 1158.2 Comment
  NY604579  Penstemon laetus var. sagittatus D. D. Keck 1940-6-13 5170 Siskiyou Weed, north side of town on Route 97. Observed to be ± continous to within 4 miles of Grass Lake. Comment
  HSC86631  Penstemon newberryi D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta, S side of Red Butte 2134 Comment
  RSA401782  Penstemon newberryi Louis C. Wheeler 1935-6-27 3605 Siskiyou Head of Etna Creek, Marble Mountains. 1799 Comment
  SBBG28994  Penstemon newberryi A. E. Culbertson 1943-7-10 67 Siskiyou Castle Lake, 14 mi SW of Mt Shasta, on N side of a 6600' eastern spur of Trinity Mtns Comment
  POM299514  Penstemon newberryi subsp. berryi Marion Ownbey, Fred G. Meyer 1940-7-6 2204 Siskiyou West side of Cayenne Ridge at summit, Marble Mountain. Comment
  HSC19136  Penstemon parvulus J. O. Sawyer 1969-7-25 1527 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  NY629972  Penstemon parvulus A. R. Kruckeberg 1972-6-10 6211 Siskiyou Between Cook and Green Pass and Red Butte Comment
  SEINET4440734 Image available Penstemon piliferus A. A. Heller 1905-1 7991 Siskiyou Comment
  UC130602  Penstemon procerus var. brachyanthus H. M. Hall 1909-7-28 8672 Siskiyou head of Salmon River Salmon Mountains, head of Salmon River 1645 Comment
  HSC43858  Penstemon roezlii Maralyn O'Meara 1974-5-25 368 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  RSA50197  Penstemon roezlii E. K. Balls 1949-7-8 13907 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mt. 1753 Comment
  CAS-BOT-BC239415  Penstemon rupicola C. L. Hitchcock; J. S. Martin 1939-7-6 5231 Siskiyou Peak above and north of Divide of Siskiyou Mts., on Takilma-Happy Camp road 1828 Comment
  NY651257  Penstemon rydbergii var. oreocharis P. Rubtzoff 1978-6-26 9218 Siskiyou Southeast margin of Grass Lake near Highway 97 Comment
  SBBG82056  Penstemon speciosus M. Roantree, B. Bonning 1983-5-28 Siskiyou NW of Callahan on St Hwy 3, near mile marker 10.00 Comment
  SEINET13761771 Image available Penstemon speciosus R. R. Halse 2016-5-29 9721 Siskiyou Along Hilt Road, E of Hilt by its intersection with I-5. 939 Comment
  HSC75652  Penstemon speciosus J. O. Sawyer, R. J. Cole 1980-7-22 3868 Siskiyou 0.5 mi. S of Lava Camp 1829 Comment
  UC727350  Penstemon speciosus Elmer I. Applegate 1931-6-24 6805 Siskiyou between Bear Paw Cave, Modoc Lava Beds and Medicine Lake; btw Bear Paw Cave, Modoc Lava Beds and Medicine Lake Comment
  HSC401  Perideridia parishii subsp. latifolia William J. Ferlatte 1967-8-17 946 Siskiyou Yellow Rose Mine 1982 Comment
  HSC17509  Persicaria lapathifolia C. B. Wolf 1927-8-26 990 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  HSC17506  Persicaria lapathifolia Geo. D. Butler 1908-7-8 191 Siskiyou Butler's Ranch. near Yreka Comment
  CAS-BOT-BC419258  Persicaria maculosa Louis C. Wheeler 1934-9-20 3286 Siskiyou Lumgrey Creek, Siskiyou Mts. 670 Comment
  CAS-BOT-BC330263  Petasites frigidus var. palmatus H. A. Thomas; J. H. Thomas 1954-7-23 4469 Siskiyou Salmon - Trinity Mts. Abouty 6 miles SE of Cecilville. Vicinity of Blind Horse Creek. 1036 Comment
  CHSC96030  Phacelia dalesiana L. P. Janeway 2006-7-4 8791 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  HSC13708  Phacelia greenei J. T. Howell 1952-6-14 28340 Siskiyou East side of Scott Valley, 9.5 miles from Fort Jones on road to Callahan 854 Comment
  HSC13669  Phacelia hastata var. hastata R. C. Wunner 1965-6-26 283 Siskiyou Lava Beds National Monument, S side of top 1614 Comment
  HSC33996  Phacelia heterophylla subsp. virgata J. P. Smith 1974-5-25 7500 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  JEPS25833  Phacelia mutabilis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-19 7447 Siskiyou about 12 mi by air nw Happy Camp; Siskiyou Mts. Poker Flat 1524 Comment
  SBBG41209  Phacelia mutabilis J. T. Howell 1939-8-2 Siskiyou Spirit Lake, Marble Mtns 1828 Comment
  HSC86532  Phacelia mutabilis D. K. Imper 1987-6-9 Siskiyou 8 mi. E of Somes Bar, vicinity of Hanpress Meadows 1372 Comment
  SEINET2441203  Phacelia pringlei Barbara Ertter, Julie Kierstead; Jim Nelson 1990-7-15 9371 Siskiyou Ca. 1 mi E of Toad Lake at head of Middle Fk Sacramento River, ca. 8 airmiles W of Mt Shasta City. 1981 Comment
  SEINET12280311  Phacelia pringlei Unknown 1953-1 105 Siskiyou Cabin Meadow, 1 mi N of Cory Peak, Klamath National Forest 1844 Comment
  HSC29248  Phacelia procera Frederick W. Oettinger 1969-7-18 1056 Siskiyou Salmon Mtns., cliffs SW of Upper English Lake 1829 Comment
  UC722212  Phacelia procera C. L. Hitchcock and J. S. Martin 1939-7-6 5248 Siskiyou summit of mts. Siskiyou Mts. (on Takilma-Happy Camp road) 1676 Comment
  RSA17695  Phacelia ramosissima var. ramosissima Elmer I. Applegate 1935-6-5 9300 Siskiyou Capt. Jack s Stronghold, Lava Beds National Monument Comment
  HSC26599  Philadelphus californicus D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19539 Siskiyou Along Hwy. 96 about 8 mi. E of junction with Hwy. 5 Comment
  HSC29459  Philadelphus californicus Frederick W. Oettinger 1968-9-8 793 Siskiyou Marble Mtn. Wilderness Area, E side of Abbott's Lake 1738 Comment
  CHSC75734  Philadelphus lewisii Vernon H. Oswald; Lowell Ahart 1999-7-5 9799 Siskiyou Gazelle-Callahan Hwy, 9.0 mi west of Gazelle. 914 Comment
  CHSC91624  Philadelphus lewisii G. F. Hrusa 2001-6-6 15855 Siskiyou Siskiyou Mountains. Along Hwy 96 at Scott R. Bridge. Cuts above river. UTM: 10T, 4625883 N, 0496656 E. 426 Comment
  RSA759840  Philadelphus lewisii Robert F. Thorne 1969-8-2 63398 Siskiyou Klamath Nat'l Forest, Salmon Mountains: Marble Mtn Wilderness, trail to English Peak, along N fork of Salmon River at Cedars 1159 Comment
  UC165387  Philadelphus lewisii Geo. D. Butler 1910-6-12 1558 Siskiyou Yreka Creek 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
  CAS-BOT-BC250785  Phleum alpinum Gilbert Muth 1966-8-1 488 Siskiyou Marble Valley Horse Pasture, Marble Mts. 1792 Comment
  HSC76676  Phleum alpinum K. T. Stillman 1976-7-23 302 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  RSA580859  Phleum pratense L. C. Wheeler 1934-6-22 2752 Siskiyou Cottonwood; Siskiyou Mountains 915 Comment
  UC1265412  Phleum pratense F. W. Oettinger 1968-9-5 738 Siskiyou Bear Meadow Tom's Lake region (Salmon Mountains); , , Bear Meadow 2186 Comment
  HSC39779  Phlox adsurgens J. P. Smith, Steve Selva 1970-7-16 4398 Siskiyou Blue Mtn. Comment
  UC682099  Phlox adsurgens G. L. Stebbins Jr. with A. A. Beetle 1942-6-1 3268 Siskiyou 15 mi n Happy Camp (above Indian Creek) 1219 Comment
  RSA161689  Phlox adsurgens Lee W. Lenz 1961-6-22 24361 Siskiyou 15 miles N of Happy Camp, road to O'Brien Comment
  RSA238798  Phlox adsurgens Frederick W. Oettinger 1967-7-26 208 Siskiyou Ca. 1/8 mile northeast of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UCD118237  Phlox adsurgens G. L. Stebbins Jr.; A. A. Beetle 1942-6-1 3268 Siskiyou 15 miles north of Happy Camp, above Indian Creek. 1219 Comment
  UC643264  Phlox caespitosa unknown 1940-6-6 15050 Siskiyou along the Castle Lake Road Comment
  HSC44975  Phlox diffusa J. O. Sawyer, E. Cope 1977-6-20 2969 Siskiyou Along W slopes of Bear Mtn. 1829 Comment
  HSC4819  Phlox diffusa J. O. Sawyer 1968-9-9 667 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  HSC68337  Phlox diffusa Maralyn A. Renner 1980-6-26 1231 Siskiyou SE edge of Flint Valley. 1390 Comment
  UC1190247  Phlox diffusa Ira L. Wiggins 1955-7-27 13541 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  UC609316  Phlox diffusa Eleanor Burks Hart 1938-8-19 901 Siskiyou Upper Wright Lake 2194 Comment
  UCSB27391  Phlox diffusa Wilken, Dieter 1969-7-26 Siskiyou Above smnmit of Mt. Shasta Ski Bowl Road; south slope of Mt. Shasta 3200 Comment
  UCSB21823  Phlox hoodii Keefe, Joseph 1967-7-11 Siskiyou 0.5 mile on trail east of Cook and Green Pass; north of Seiad Valley 1371 Comment
  RSA468395  Phlox hoodii subsp. canescens Christopher Davidson 1975-6-5 2682 Siskiyou 0.8 mi N of Scott Mtn Summit on Hwy 3. 1585 Comment
  HSC17196  Phlox speciosa subsp. nitida Lincoln Constance, R. C. Rollins 1942-5-13 2912 Siskiyou Scott River, 2 mi. NW of Scott Bar 488 Comment
  HSC39318  Phlox speciosa subsp. nitida J. P. Smith 1974-5-26 7382 Siskiyou Along FS Rd. 47N03 1524 Comment
  POM253610  Phlox speciosa subsp. occidentalis C. L. Hitchcock, J. S. Martin 1939-7-7 5272 Siskiyou Sanger Peak Trail. 1 mile S of Camp Chicago. Siskiyou Mtns ca 12 miles S of Takilma, Orgeon. 1433 Comment
  CAS-BOT-BC135027  Phoradendron bolleanum Louis C. Wheeler 1934-6-26 2789 Siskiyou Hornbrook 731 Comment
  JEPS24013  Phoradendron villosum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6874 Siskiyou at bridge over Ash Creek Klamath R. canyon (2 mi. w. of junction of State Hwy. 96 with U.S. Hwy. 99 (at mouth of Shasta R.)) 563 Comment
  UC163740  Phoradendron villosum Geo. D. Butler 1909-3-21 565 Siskiyou near Oro Fino Comment
  RSA211460  Phyllodoce empetriformis William J. Ferlatte 1966-8-5 352 Siskiyou Caribou Mtn. 2470 Comment
  UC21966  Phyllodoce empetriformis W. H. Brewer 1862-9-13 1376 Siskiyou Mount Shasta, near Camp 99 Mount Shasta 2438 Comment
  CAS-BOT-BC140609  Physocarpus capitatus C. H. M. 1907-9-26 s.n. Siskiyou Shovel Creek, Klamath Canyon Comment
  UC144392  Physocarpus capitatus A. A. Heller 1905-6-17 8057 Siskiyou near Sisson Comment
  CAS-BOT-BC78161  Picea breweriana W. R. Dudley 1901-8-18 s.n. Siskiyou Salmon Mountains Comment
  HSC24697  Picea breweriana J. O. Sawyer 1969-7-26 1573 Siskiyou SE facing slope near S Sugar Creek 1700 Comment
  HSC31991  Picea breweriana Steve Selva, Roger Jensen 1974-8-16 18 Siskiyou Seepy areas along Sugar Lake trail Comment
  JEPS46721  Picea breweriana Rimo Bacigalupi with Reino and Aloha Alava 1958-9-3 6882 Siskiyou junction of Poker Flat forest road with Takilma-Happy Camp trans-Siskiyou Mts. road 1376 Comment
  JEPS48369  Picea breweriana W. L. Jepson 1907-7-19 2949 Siskiyou Head of Indian Creek Siskiyou Mts., Head of Indian Creek Comment
  UC1271683  Picea breweriana Joseph P. Tracy 1935-8-1 14417 Siskiyou cirque 1 mi e Salmon Summit Mine (head of creek); Knownothing Creek 1767 Comment
  UC971915  Picea breweriana Herbert L. Mason 1950-7-16 14061 Siskiyou Road from Happy Camp <California> to Waldo, Oregon 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
  UC1313050  Picea engelmannii J. M. Tucker 1963-7-5 3707 Siskiyou ca 7 mi (airline) e Siskiyou County <border> (creek is tributary of Salmon River); lower Blake's Fork of South Russian Creek 1524 Comment
  CAS-BOT-BC73396  Pinus albicaulis John Thomas Howell 1937-7-24 13436 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC101730  Pinus albicaulis Michael Kauffmann 2013-5-27 11 Siskiyou West ridgeline above Wright Lake 2222 Comment
  JEPS47878  Pinus albicaulis Geo. D. Butler 1908-8-5 520 Siskiyou summit next to Cold Spring Gulch (old cabin trail) Comment
  UC60967  Pinus albicaulis Geo. B. Grant 1902-9-1 5123 Siskiyou Horse Camp Mount Shasta, Horse Camp 2438 Comment
  HSC101735  Pinus balfouriana subsp. balfouriana Michael Kauffmann 2013-5-27 12 Siskiyou West ridgeline above Wright Lake 2222 Comment
  CAS-BOT-BC78714  Pinus jeffreyi A. A. Heller 1915-8-26 12252 Siskiyou Metcalf's [ranch] Ranch at the foot of Mt. Eddy 1188 Comment
  UCD134728  Pinus jeffreyi John M. Tucker 1963-8-18 3768 Siskiyou Between Marble and southwest ridge of Black Mountain, Marble Mountain Wilderness Area. 2103 Comment
  MACF017420  Pinus jeffreyi Trudy R. Ericson 1974-8-8 220 Siskiyou St. Hwy. 96, between Happy Camp and Hamburg, near Seiad Valley Comment
  HSC37526  Pinus lambertiana J. P. Smith 1974-5-25 7436 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  CAS-BOT-BC419722  Pinus monticola Julie Kierstead Nelson; Keli McElroy 2012-8-10 2012 -076 Siskiyou NW side of Gumboot Lake. 1853 Comment
  CAS-BOT-BC78955  Pinus monticola Dr. E. B. Copeland 1903-9-8 3806 Siskiyou Mt. Eddy 1524 Comment
  CAS-BOT-BC72867  Pinus ponderosa Doris K. Kildale 1929-4-27 7494 Siskiyou Cecilville Comment
  HSC44885  Pinus ponderosa Maralyn O'Meara 1974-5-25 395 Siskiyou Along road to Duck Lakes trail 1402 Comment
  UC401412  Pinus ponderosa Geo. D. Butler 1910-4-24 1237 Siskiyou Quartz Valley Comment
  SEINET15345844  Plagiobothrys greenei L. C. Wheeler 1935-5-18 3502 Siskiyou Yreka Creek, Siskiyou Mts. 853 Comment
  RSA240061  Plantago major Frederick W. Oettinger 1969-8-9 1312 Siskiyou Above Trail near Young's Cabin on North Fork of Salmon River. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC86551  Platanthera dilatata D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, Haypress Meadows region 1372 Comment
  HSC22080  Platanthera dilatata var. leucostachys J. O. Sawyer 1969-7-11 864 Siskiyou Ravine above C.C.C. road. 1280 Comment
  HSC61884  Platanthera dilatata var. leucostachys Ruby Van Deventer 27 Jul [year missing] Siskiyou Poker Flat 1585 Comment
  HSC97404  Platanthera dilatata var. leucostachys A. Montalvo, J. D. Ackerman 1974-8-18 427 Siskiyou 1 mi. N of mine on W slope of El Capitan, Siskiyou Mtns., Preston Peak area 1524 Comment
  HSC35286  Platanthera sparsiflora A. Montalvo, J. D. Ackerman 1974-7-2 354 Siskiyou Along road to Middle Fork Sacramento River and Toad Lake. West of Mt. Shasta City Comment
  UC796534  Plectritis macrocera Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11827 Siskiyou 1 mi below summit of Gazelle Mountain (Gazelle-Callahan Road); Gazelle-Callahan Road 1219 Comment
  HSC48723  Pleuricospora fimbriolata J. Pageau, E. Toth 1979-6-5 496 Siskiyou 6.6 mi. N. of the G.O. road on FS 11N24. Line Timber Sale, unit 14. Bulk Collection 174 799 Comment
  UCR266902  Poa Robert Tofsrud 1948-8-2 s.n. Siskiyou Mount Shasta, Panther Meadow 2439 Comment
  CAS-BOT-BC254780  Poa bolanderi Karl Ney 1945-8-5 48 Siskiyou Paradise Lake, Klamath forest 1950 Comment
  CAS-BOT-BC254781  Poa bolanderi Geo. D. Butler 1910-7-12 1750 Siskiyou Shackleford Creek Comment
  RSA184793  Poa bolanderi Gilbert Muth 1966-7-17 402 Siskiyou Trail to lookout, Marble Mountains 1829 Comment
  RSA239046  Poa bolanderi Frederick W. Oettinger 1969-8-14 1376 Siskiyou English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  CAS-BOT-BC254995  Poa bulbosa Morris Halperin 1930-5-17 303 Siskiyou Yreka 800 Comment
  CHSC88101  Poa bulbosa Jenny Marr 1993-7-1 111 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS125993  Poa compressa D. W. Taylor 1996-7-27 15867 Siskiyou Klamath National Forest; Grass Lake, about 15 air miles NE of Weed. Comment
  UC1924337  Poa compressa P. M. Peterson, J. M. Saarela & C. J. Sears 2006-8-8 19743 Siskiyou 6.5 mi SW of Etna on Forest Service Rpoad 1C-01 towards Etna Summit 1424 Comment
  CAS-BOT-BC247012  Poa nervosa Geo. D. Butler 1910-5-10 1318 Siskiyou Goosenest foothills 1524 Comment
  JEPS81691  Poa pringlei L. R. Heckard 1967-8-13 1710 Siskiyou e flank Mt Eddy (just below summit fell-field) 2727 Comment
  RSA578034  Poa secunda L. C. Wheeler 1935-5-18 3498 Siskiyou Siskiyou Mountains; Yreka Creek (Mt. Diablo Mer.) 854 Comment
  UC1132617  Poa secunda subsp. juncifolia H. S. Yates 1936-6-21 5823 Siskiyou 1 mi se Gazelle; Etna Quadrangle Comment
  HSC30603  Poa secunda subsp. secunda Frederick W. Oettinger 1969-9-2 1593 Siskiyou Marble Mtn. Wilderness Area, N side of English Peak. 2134 Comment
  HSC65337  Poa secunda subsp. secunda J. P. Smith 1973-5-5 6438 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC74868  Poa secunda subsp. secunda J. P. Smith, Jennifer Whipple 1978-7-2 9988 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  UC1025012  Poa secunda subsp. secunda Leo Whitney 1935-7-15 3485 Siskiyou 2 mi se Medicine Lake (Bullseye Lake) Comment
  UC196944  Poa secunda subsp. secunda Geo. D. Butler 1910-5-6 1294 Siskiyou hill near Yreka Comment
  RSA184627  Polemonium californicum Clare B. Hardham 1965-8-20 13035 Siskiyou Marble Mountains. Cudahy Lakes. 1524 Comment
  UC609346  Polemonium californicum Eleanor Burks Hart 1938-8-15 889 Siskiyou Upper Wright Lake 2225 Comment
  UC939437  Polemonium carneum E. L. Greene 1876-6-5 796 Siskiyou near Yreka; near Yreka Comment
  JEPS20037  Polemonium micranthum George D. Butler 1909-3-16 557 Siskiyou near Yreka (Butler's Ranch); near Yreka, Butler's Ranch Comment
  UCR64593  Polemonium micranthum L. C. Wheeler 1935-3-16 3374 Siskiyou Klamathon, Klamath River 701 Comment
  CAS-BOT-BC231358  Polemonium pulcherrimum Copeland 1903-7-16 3515 Siskiyou Mt. Shasta 3169 Comment
  HSC19294  Polemonium pulcherrimum J. O. Sawyer 1969-6-2 1015 Siskiyou Summit above Albert Lake 2256 Comment
  UCD115149  Polyctenium fremontii Wm. E. Moon 1958-5-29 s.n. Siskiyou State Highway 97, southwest of Hebron summit. 1524 Comment
  JEPS43019  Polygala cornuta var. cornuta W. L. Jepson August, 1894 13575 Siskiyou Shasta Springs Comment
  JEPS93927  Polygala cornuta var. cornuta Vernon H. Oswald and Lowell Ahart 1998-8-3 9411 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.5 mi se of Gazelle-Callahan Road; Kangaroo Lake Road 1493 Comment
  RSA96064  Polygala cornuta var. cornuta Percy C. Everett, E. K. Balls 1954-10-10 20260 Siskiyou Highway 89, 6.8 miles west of McCloud on road to the town of Mt. Shasta 1174 Comment
  UCD99839  Polygonum aviculare subsp. neglectum A. A. Heller 1915-8-24 12207 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  HSC17464  Polygonum aviculare var. angustissimum Geo. D. Butler 1908-8-28 190 Siskiyou Mining dump of L. Eastlick near Oro Fino Comment
  RSA120791  Polygonum bistortoides S. S. Tillett 1956-7-9 658 Siskiyou E side of Scott Mtn; Siskiyou Trinity County line; 8 miles SE of Callahan. 1890 Comment
  RSA237796  Polygonum bistortoides Frederick W. Oettinger 1966-8-7 47 Siskiyou Below Tom Taylor Cabin Springs. The Salmon Mountains. The High Lake Basins in the vicinity of English peak. Marble Mountain Wilderness Area. 2043 Comment
  POM211469  Polygonum californicum Louis C. Wheeler 1934-6-21 2747 Siskiyou Siskiyou Mts. W Fork Cottonwood Creek. 1006 Comment
  CDA2789  Polygonum cuspidatum T. C. Fuller 1963-8-26 11152 Siskiyou Dunsmuir Grade, Highway 99 to Mt. Shasta Cuty, 0.5 mile north of the limits of Dunsmuir. 0 Comment
  UC163657  Polygonum davisiae Geo. D. Butler 1908-8-5 187 Siskiyou West Fork of Woolly Creek Comment
  UCR40031  Polygonum davisiae L. P. Janeway 1983-7-31 480 Siskiyou Poker Flat 1524 Comment
  HSC42897  Polygonum douglasii Ken Stillman 1976-8-31 457 Siskiyou E and N sides of Williams Point 366 Comment
  POM104413  Polygonum douglasii Geo. D. Butler 1908-8-3 185 Siskiyou Log Lake, Shackleford Creek Comment
  POM104491  Polygonum douglasii Geo. D. Butler 1910-7-9 1706 Siskiyou Shackleford Creek. 1220 Comment
  CAS-BOT-BC414585  Polygonum douglasii Wm. Bridge Cooke 1938-7-29 11422 Siskiyou Mount Shasta. Wagon Camp. Along Wagon Camp Creek Comment
  JEPS25589  Polygonum douglasii Rimo Bacigalupi 1959-7-2 7221 Siskiyou near north base of Caribou Mtn. (just so of low divide (Trinity Co. boundary) separating Coffee Creek drainage from that of the Salmon River, headwaters of river); South Fork of Salmon River, Big Flat Campground 1508 Comment
  HSC101466  Polygonum douglasii subsp. majus J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 13002 Siskiyou Along Gazelle-Callahan Road. Klamath National Forest 1708 Comment
  UC375322  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 189 Siskiyou near Yreka Comment
  RSA96964  Polygonum douglasii subsp. spergulariiforme Percy C. Everett, E. K. Balls 1954-10-13 20278 Siskiyou Chiefly along roadside, Seiad Creek, road to Kangaroo Mt, 6.7 miles NE from Hwy 96. 701 Comment
  RSA237766  Polygonum minimum Frederick W. Oettinger 1968-9-2 678 Siskiyou West rocky bank, Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1860 Comment
  CAS-BOT-BC418592  Polygonum minimum Doris K. Kildale 1928-7-4 5538 Siskiyou 1 1/2 miles east of summit of divide between Sawyers Bar & Etna Comment
  UC922363  Polygonum phytolaccifolium Annie M. Alexander and Louise Kellogg 1949-7-19 5808 Siskiyou Paradise Lake Marble Mountains 1920 Comment
  UC1408816  Polygonum polygaloides subsp. kelloggii Frederick W. Oettinger 1969-7-11 975 Siskiyou Hancock Lake Salmon Mountains, Marble Mountain Wilderness Area (along trail just nw of falls, w Siskiyou Co.) 1889 Comment
  HSC78322  Polygonum polygaloides subsp. kelloggii L. P. Janeway 1983-8-6 484 Siskiyou At Poker Flat, at front edge of upper portion of meadow. 1524 Comment
  CAS-BOT-BC109287  Polygonum shastense William Bridge Cooke 1938-8-18 11496 Siskiyou Mount Shasta. Horse Camp Slopes. 2514 Comment
  HSC98374  Polygonum shastense J. M. DiTomaso 1980-8-26 1914 Siskiyou Panther Meadow, 15 mi. NE of Mt. Shasta City 2134 Comment
  UC1034047  Polygonum shastense W. Bridge Cooke 1941-9-10 16292 Siskiyou vicinity of Horse Camp Mt. Shasta Comment
  HSC46074  Polypodium californicum J. P. Smith, Steve Selva 1970-6-14 3877 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  UC637168  Polypodium calirhiza Edward Lee 1934-8-13 1056 Siskiyou 4 mi n Happy Camp (Indian Creek); Klamath Nat'l Forest 411 Comment
  UC1483404  Polystichum imbricans subsp. imbricans John Palmer 1980-8-12 683 Siskiyou se of Wards Gap; Klamath Nat'l Forest, Condry Mt. Quadrangle 1188 Comment
  UC338387  Polystichum imbricans subsp. imbricans unknown 1888-9-12 Siskiyou Mt. Shasta 3657 Comment
  CAS-BOT-BC76739  Polystichum imbricans subsp. imbricans Dorothy Parker 1961-6-11 893 Siskiyou Headwaters of the South Fork of Scott River. 1524 Comment
  UC371163  Polystichum imbricans subsp. imbricans G. D. Butler 1908-7-20 246 Siskiyou w side Humbug Mt 822 Comment
  HSC34350  Polystichum lemmonii J. P. Smith, J. O. Sawyer 1973-8-14 7303 Siskiyou On trail from Campbell Lake to Cliff Lake 1829 Comment
  HSC79182  Polystichum lemmonii C. J. Thomas 1983-10-1 73 Siskiyou Scott Mtn. Summit, 0.5 to 0.75 mi. above Big Carmen Lake 1756 Comment
  RSA693360  Polystichum lemmonii M. B. Dunkle 1945-07 9277 Siskiyou Paradise Lake, Marble Mountains Comment
  HSC79133  Polystichum lonchitis C. J. Thomas 1983-10-1 86 Siskiyou N side of Black Mtn. in Marble Mtn. Wilderness 1976 Comment
  JEPS109823  Polystichum lonchitis Dean W. Taylor 2005-7-12 19386 Siskiyou Dry Creek Peak, cirque on north side of the peak (ca. 12 air miles NE of summit of Mt. Shasta) 1950 Comment
  RSA693279  Polystichum lonchitis M. B. Dunkle 1945-8-7 9332 Siskiyou King's Casle. Marble Mtns, Klamath National Forest. Comment
  CAS-BOT-BC72509  Polystichum scopulinum Peter H. Raven 1956-9-4 10385 Siskiyou ridge S. of Mt. Eddy 2286 Comment
  HSC27007  Polystichum scopulinum J. P. Smith, J. O. Sawyer 1972-9-12 5771 Siskiyou Scott Mtn., slopes E of Big Carmen Lake 1982 Comment
  HSC66086  Polystichum scopulinum M. Sacks 1977-10-4 16 Siskiyou S facing slope, N side of main rd. between Callahan and Cecilville, 6 mi. SW of Callahan 1463 Comment
  CAS-BOT-BC102773  Populus tremuloides W. B. C. 1938-8-23 11577 Siskiyou Top of the Shastina Lava Park on the north side of Shastina 2438 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
  RSA215573  Potamogeton alpinus Al Hobart 1970-8-25 s.n. Siskiyou NW Siskiyou 1524 Comment
  HSC29332  Potamogeton berchtoldii Frederick W. Oettinger 1969-8-18 1417 Siskiyou Marble Mtn. Wilderness Area, NW shore of Horse Range Lake 1822 Comment
  CAS-BOT-BC438791  Potamogeton richardsonii Dana York; Jim Shevock 2012-7-20 3114 Siskiyou Klamath/Siskiyou Mts. Klamath National Forest, 4 km W-SW of Cook and Green Pass, in Lily Pad Lake. 1735 Comment
  HSC103176  Potamogeton richardsonii Dana York, Jim Shevock 2012-7-20 3114 Siskiyou Klamath National Forest, 4 km W-SW of Cook and Green Pass, in Lily Pad Lake. 1735 Comment
  UC1409340  Potentilla drummondii Frederick W. Oettinger 1969-7-13 1001 Siskiyou moist meadow n Upper English Lake (High Lake Basins in the vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1950 Comment
  RSA237620  Potentilla drummondii Frederick W. Oettinger 1967-8-13 253 Siskiyou Below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  HSC96434  Potentilla flabellifolia Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 481 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  CAS-BOT-BC143259  Potentilla flabellifolia David Keck 1938-9-8 11626 Siskiyou Springs in the South Gate Comment
  JEPS93908  Potentilla fruticosa Vernon H. Oswald and Lowell Ahart 1998-8-3 9439 Siskiyou w of Kangaroo Lake (near the Pacific Crest Trail in the Scott Mountains); Scott Mountains 1981 Comment
  RSA211490  Potentilla glandulosa subsp. ashlandica William J. Ferlatte 1966-7-7 198 Siskiyou Caribou Basin. 1982 Comment
  RSA237856  Potentilla glandulosa var. nevadensis Frederick W. Oettinger 1968-8-15 526 Siskiyou E side of Hancock lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  UC618831  Potentilla gracilis David Keck 1938-7-29 11395 Siskiyou Bear Springs , Bear Springs (Mount Shasta) 1524 Comment
  UC70340  Potentilla gracilis T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  HSC90743  Potentilla gracilis var. fastigiata Jennifer Whipple 1976-7-8 1343 Siskiyou SW of Dobkins Lake along drainage into the lake 2317 Comment
  CAS-BOT-BC158529  Potentilla millefolia A. A. Heller 1905-6-20 8074 Siskiyou Gazelle Comment
  SEINET182279  Potentilla millefolia L. C. Wheeler 1935-6-23 3590 Siskiyou Shasta River 2mi NW Montague 762 Comment
  UCLA49010  Prunella vulgaris W. Bridge Cooke 1940-8-2 15401 Siskiyou Bear Springs Mount Shasta; , Bear Springs Comment
  UC1282022  Prunella vulgaris var. lanceolata Louise Kellogg Aug 8 1953-Aug 9 1953 121 Siskiyou Scott Mountain Public Campground; Klamath National Forest, Scott Mountains 1630 Comment
  CAS-BOT-BC158219  Prunus emarginata Laura M. Lathrop 1903-7-16 s.n. Siskiyou Shasta Retreat Comment
  HSC43377  Prunus emarginata Maralyn O'Meara 1974-5-26 453 Siskiyou Chandler Glade along USFS Rd. 47N03 1768 Comment
  HSC69558  Prunus emarginata Maralyn A. Renner 1980-8-6 2291 Siskiyou Along trail, 0.5 mi. SE of Cyclone Gap. 1585 Comment
  RSA48221  Prunus emarginata Roxana S. Ferris 1948-6-12 11776 Siskiyou About 5.5 miles from Etna on forks of Salmon road. Comment
  RSA63068  Prunus emarginata L. S. Rose 1950-5-7 50108 Siskiyou Shasta Springs 915 Comment
  UC527335  Prunus emarginata C. B. Wolf 1931-9-1 2388 Siskiyou 1/4 mi n of Entrance to Shasta Springs 914 Comment
  UCD35440  Prunus emarginata Beecher Crampton 1956-8-21 3851 Siskiyou Sacramento River Canyon just above the north fork junction with the middle and south Forks. 1066 Comment
  UC1368677  Prunus persica W. B. and V. G. Cooke 1968-7-4 39264 Siskiyou Mount Shasta, along Everett Memorial Hwy Mount Shasta 1310 Comment
  RSA17456  Prunus virginiana var. melanocarpa Elmer I. Applegate 1935-6-5 9305 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  HSC67479  Pseudognaphalium stramineum J. P. Smith, Steve Selva 1970-6-15 3903 Siskiyou 10 mi. NW of Forks of Salmon Comment
  POM112087  Pseudoroegneria spicata subsp. spicata Geo D. Butler 1910-6-23 1600 Siskiyou Yreka Comment
  RSA13869  Pseudoroegneria spicata subsp. spicata L. C. Wheeler 1934-6-29 2831 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1067 Comment
  UC203951  Pseudoroegneria spicata subsp. spicata Geo. D. Butler 1909-6-27 848 Siskiyou Klamath River Comment
  CHSC34832  Pseudostellaria jamesiana M. S. Taylor 1980-6-23 2941 Siskiyou On e side of 39N45, in Soapstone Gulch, ca. 2 mi s of its jct with Hwy 26, ca. 8 mi sw of Mt. Shasta City. 1676 Comment
  CAS-BOT-BC80177  Pseudotsuga menziesii Doris K. Kildale 1927-11-20 4178 Siskiyou Fort Jones Comment
  HSC68454  Pseudotsuga menziesii var. menziesii Maralyn A. Renner 1980-7-4 1439 Siskiyou Clear Creek Trail, N of Trout Camp. 1037 Comment
  UC17382  Ptelea crenulata Miss Edmonds 1890-7-21 Siskiyou Comment
  CHSC57  Pteridium aquilinum var. pubescens V. Holt 1932-7-19 Siskiyou Spring Hill. 1219 Comment
  HSC68392  Pteridium aquilinum var. pubescens Maralyn A. Renner 1980-6-26 1248 Siskiyou SE edge of Flint Valley. 1390 Comment
  UCD91526  Puccinellia distans A. A. Beetle; G. L. Stebbins 1942-5-31 3422 Siskiyou 6 miles north of Gazelle. Comment
  CDA26232  Purshia tridentata T. C. Fuller 1962-6-11 8951 Siskiyou East side of Highway 99 to Mt. Shasta City, 1.3 miles south of Black Butte Summit. 0 Comment
  CAS-BOT-BC147909  Purshia tridentata var. tridentata Alice Eastwood; John Thomas Howell 1934-4-20 1759 Siskiyou Near Yreka along Shasta River Comment
  RSA59510  Purshia tridentata var. tridentata E. K. Balls 1950-5-15 14702 Siskiyou Below Indian Wells Public Camp. Lava Beds National Monument. 1402 Comment
  CAS-BOT-BC460861  Pyrola aphylla Wm. Bridge Cooke 1937-8-13 9217 Siskiyou Mount Shasta. Sisson Southern Trail 1676 Comment
  CAS-BOT-BC466285  Pyrola asarifolia R. F. Thorne 1969-8-23 63338 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in teh vicinity of English Peak; trail to upper English Lake along Salmon River 1159 Comment
  HSC270  Pyrola crypta William J. Ferlatte 1967-8-21 1073 Siskiyou Sawtooth Ridge between Caribou Basin and Little S Fork Lake 2287 Comment
  HSC19194  Pyrola picta J. O. Sawyer 1968-9-28 747 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  CAS-BOT-BC466133  Pyrola picta Gilbert Muth 1965-8-10 s.n. Siskiyou Marble Valley and long upper trails Comment
  CAS-BOT-BC466149  Pyrola picta H. A. Thomas; J. H. Thomas 1954-7-21 4419 Siskiyou Salmon-Trinity Mts. About 6 mi SE of Cecilville. West side of Rush Creek. 1219 Comment
  HSC60913  Pyrola picta Al Hobart Siskiyou Black Butte Comment
  CAS-BOT-BC362387  Pyrrocoma racemosa var. racemosa W. R. Dudley 1899-8-15 s.n. Siskiyou Near Bartles ? Comment
  UC164057  Quercus chrysolepis Geo. D. Butler 1910-6-7 1530 Siskiyou Greenhorn Mountain Comment
  JEPS37941  Quercus garryana W. L. Jepson 1902-7-20 2085 Siskiyou Summerville Comment
  UC165275  Quercus garryana Geo. D. Butler 1908-8-16 233 Siskiyou near Yreka Comment
  SEINET10477171  Quercus garryana K. Faber, S. LaChance; M. Rekart 1984-5-26 Faber 53 Siskiyou Indian scotty campground, t44n,r11w,sec.26. Disturbed area, 15-20% slopr, Northern oak woodland with quercus 701 Comment
  CAS-BOT-BC105102  Quercus kelloggii Copeland 1933-7-14 3521 Siskiyou Klamathon Comment
  CAS-BOT-BC105462  Quercus kelloggii Marion Ownbey; Fred G. Meyer 1940-7-7 2214 Siskiyou Cayenne Ridge, Marble Mountain Comment
  CDA15568  Quercus sadleriana G. F. Hrusa 1998-7-5 14676 Siskiyou Siskiyou Mountains; S side below summit on Happy Camp-O'Brien Rd. on Ca. side of State Boundary. Comment
  RSA237357  Quercus sadleriana Frederick W. Oettinger 1967-8-26 335 Siskiyou 1/2 mile below Abbotts Upper Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC1222293  Quercus sadleriana Joseph P. Tracy 1950-7-18 19215 Siskiyou the whole route from Flint Valley to Prospect Hill Comment
  CAS-BOT-BC104615  Quercus vacciniifolia L. E. Smith 1913-7-1 450 Siskiyou Rainbow Comment
  HSC69033  Quercus vacciniifolia Maralyn A. Renner 1980-7-28 2174 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  RSA399362  Ranunculus alismifolius var. alismellus M. B. Dunkle 9347 Siskiyou Klamath Nat'l Forest, Marble Mountains, Sierra Nevada. Comment
  RSA238280  Ranunculus aquatilis var. capillaceus Frederick W. Oettinger 1969-9-5 1679 Siskiyou Salamander Pond near Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  SEINET7042790  Ranunculus californicus A. G. Vestal 1955-5-17 s.n. Siskiyou Meadow at Oxbow west of Scott River. 9.5 miles south of Fort Jones. Etna quadrangle UTM Zone 10 508671mE, 4590390mN. Comment
  UC827725  Ranunculus eschscholtzii var. suksdorfii John Thomas Howell 1937-7-25 13439 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  HSC78194  Ranunculus gormanii L. P. Janeway 1983-7-3 375 Siskiyou Poker Flat 1524 Comment
  UC454029  Ranunculus occidentalis I. J. Condit 1911-7-13 Siskiyou Dunsmuir; creek bed Comment
  RSA47794  Ranunculus orthorhynchus Roxana S. Ferris, Laura Lorraine 1948-6-12 11820 Siskiyou E Fork of Scott River drainage, Parker Ranch, Plowman's Valley. 1204 Comment
  JEPS74464  Ranunculus orthorhynchus var. orthorhynchus W. J. Ferlatte 1966-6-23 145 Siskiyou near public camp; Trinity Alps, Big Flat 1524 Comment
  POM100137  Ranunculus suksdorfii Geo. D. Butler 1910-7-9 1714 Siskiyou Marble Mountain. 1829 Comment
  POM283029  Rhamnus ilicifolia Lyman Benson 1929-3-27 1076 Siskiyou Rocky slopes by Klamath River, Pacific Hwy Comment
  SEINET13946355 Image available Rhamnus purshiana A. A. Heller 1915-1 12132 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in forest, 3900 ft. 1189 Comment
  POM136602  Rhamnus rubra H. M. Hall, E. B. Babcock 1903-06 s.n. Siskiyou Head of McCloud River Comment
  RSA237250  Rhodiola integrifolia subsp. integrifolia Frederick W. Oettinger 1967-7-8 162 Siskiyou Above Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2107 Comment
  HSC22286  Rhododendron columbianum J. O. Sawyer 1969-6-12 873 Siskiyou SE facing upper slope above Sugar Creek 1890 Comment
  CHSC71576  Rhododendron neoglandulosum Vernon H. Oswald; Lowell Ahart 1998-8-3 9430 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  CAS-BOT-BC199741  Rhododendron occidentale var. paludosum Laura M. Lathrop 1903-7-10 s.n. Siskiyou Shasta Retreat Comment
  HSC68401  Rhododendron occidentale var. paludosum Maralyn A. Renner 1980-7-4 1453 Siskiyou Clear Creek Trail, N of Trout Camp 1037 Comment
  SEINET5343327  Ribes aureum G. Butler 1910-4-19 1203 Siskiyou Yreka Creek Comment
  CAS-BOT-BC92404  Ribes aureum var. aureum John Thomas Howell 1887-4-1 s.n. Siskiyou Hornbrook. Comment
  CAS-BOT-BC92536  Ribes binominatum John Thomas Howell 1937-7-29 13672 Siskiyou North side of Scott Mountain. Comment
  CAS-BOT-BC92541  Ribes binominatum Roxana S. Ferris; Laura Lorraine 1948-6-12 11769 Siskiyou About 6 miles from Etna on forks of Salmon Road. 1706 Comment
  HSC44980  Ribes binominatum J. O. Sawyer 1978-6-21 3283 Siskiyou Marble Mtn. Wilderness Area, along trail N of Clear Lake 1951 Comment
  POM92615  Ribes binominatum Geo. D. Butler 1910-7-8 1682 Siskiyou Shackelford Creek. 1220 Comment
  CAS-BOT-BC108769  Ribes cereum Alice Eastwood 1912-7-19 1247 Siskiyou Mount Shasta. Comment
  CAS-BOT-BC108775  Ribes cereum W. R. Dudley 1899-8-1 s.n. Siskiyou Craggy Peak. Comment
  HSC26000  Ribes cereum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19535 Siskiyou Snowman's Hill Summit 3 mi. W of McCloud on Hwy. 89 Comment
  RSA0024868  Ribes cereum Louis C. Wheeler 1934-6-29 2825 Siskiyou Soda Creek. Sterling Mtn. Siskiyou Mtns. 1280 Comment
  CAS-BOT-BC168863  Ribes inerme var. klamathense A. A. Heller 1905-6-15 8042 Siskiyou Near Sisson Comment
  RSA0021097  Ribes inerme var. klamathense M. B. Dunkle 1944-7-14 9087 Siskiyou Siskiyou National Forest. 1768 Comment
  CAS-BOT-BC173301  Ribes lacustre Harley P. Chandler 1901-6-1 1561 Siskiyou Ridges and Meadows near Marble Mountain 1828 Comment
  HSC34291  Ribes marshallii J. P. Smith, J. O. Sawyer 1973-8-14 7285 Siskiyou On trail from Campbell Lake to Cliff Lake 1585 Comment
  RSA237677  Ribes marshallii Frederick W. Oettinger 1968-8-4 387 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
  CAS-BOT-BC212481  Ribes marshallii Lillian Henningsen 1972-6-8 s.n. Siskiyou Happy Camp Road to Takilma Comment
  CHSC1660  Ribes nevadense M. Yoder 1941-6-28 Siskiyou Castle Lake. Comment
  UC54301  Ribes nevadense H. M. Hall and E. B. Babcock June 1903 4131 Siskiyou Head of McCloud River Sierra Nevada Mountains, Mount Shasta 1524 Comment
  UC796518 Image available Ribes nevadense Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11802 Siskiyou s Callahan (on Scott Mountain Road at Mule Creek crossing) 1493 Comment
  UC1096802  Ribes roezlii H. K. Wagnon and Douglas Barbe 1957-6-16 13127 Siskiyou Scott Mts. Klamath Mountains 1920 Comment
  JEPS84052  Ribes sanguineum L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6302 Siskiyou from Takilma to Happy Camp (Indian Creek Road, just s of state line) Comment
  RSA0019537  Ribes sanguineum Geo. D. Butler 1910-5-1 1265 Siskiyou Humbug Mountain. Comment
  CAS-BOT-BC173905  Ribes velutinum Roxana S. Ferris; Laura Lorraine 1948-6-12 11839 Siskiyou Gazelle Mountain range, road between Callahan and Gazelle 1499 Comment
  UC1222366 Image available Ribes viscosissimum Joseph P. Tracy 1951-6-16 19500 Siskiyou summit of the Siskiyous at crossing of Takilma-Happy Camp Road Siskiyous Comment
  CAS-BOT-BC74372  Rorippa columbiae L. E. Smith 1915-6-30 s.n. Siskiyou Bray. Comment
  POM95538  Rorippa curvisiliqua Geo. D. Butler 1909-5-29 783 Siskiyou Near Yreka. Comment
  UC1871377  Rosa Barbara Ertter 2006-7-30 18748 Siskiyou Yreka Creek off Deer Creek Way at E edge of Yreka near Jct I-5 and Rt 3 762 Comment
  UC1871381  Rosa Barbara Ertter 2006-7-30 18737 a Siskiyou Butte Valley 4 air mi due W of Macdoel, Meiss Lake Road at S entrance to Butte Valley Wildlife Area. 1298 Comment
  CAS-BOT-BC147461  Rosa californica Don. Reinoehl 1925-4-1 s.n. Siskiyou Dunsmuir Comment
  CAS-BOT-BC147460  Rosa californica William A. Dayton 1913-9-14 584 1/2 Siskiyou Shasta National Forest, E. Fk. of Scott River Range along trail up Rail Creek 1463 Comment
  SEINET7665341  Rosa californica G. D. Butler 1910-5-16 1352 Siskiyou Yreka Comment
  CAS-BOT-BC146736  Rosa gymnocarpa A. A. Heller 1915-8-24 12203 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1188 Comment
  HSC65555  Rosa gymnocarpa R. White 1977-7-21 119 Siskiyou Slope below outlet of Raspberry Lake. 1512 Comment
  CAS-BOT-BC147057  Rosa pisocarpa Alice Eastwood 1917-9-2 6686 Siskiyou Shasta Springs Comment
  CAS-BOT-BC147065  Rosa pisocarpa Joseph P. Tracy 1949-9-16 18565 Siskiyou Scott Mt. near summit on road from Scott Valley to Trinity Center 1615 Comment
  CAS-BOT-BC147079  Rosa pisocarpa A. A. Heller 1915-7-18 12112 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  RSA78994  Rubus discolor E. K. Balls, Percy C. Everett 1952-10-13 18183 Siskiyou Just above turn off to Deer Creek on road to Castle Lake from Mt. Shasta. 1037 Comment
  CAS-BOT-BC147162  Rubus laciniatus Carl B. Wolf 1927-8-27 1115 Siskiyou On the Klamath River, Happy Camp Comment
  RSA237648  Rubus lasiococcus Frederick W. Oettinger 1968-8-5 415 Siskiyou W end of Charmaine Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1921 Comment
  SBBG50769  Rubus lasiococcus J. M. Tucker, D. V. Hemphill 1974-7-27 4300 Siskiyou camp at Haypress Meadows, Marble Mtn Wilderness Area 1463 Comment
  HSC19405  Rubus parviflorus J. O. Sawyer 1968-7-10 457 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  CAS-BOT-BC147311  Rubus parviflorus D. K. Noyes 1911-9-29 728 Siskiyou Klamath National Forest Comment
  CAS-BOT-BC147314  Rubus parviflorus Gilbert Muth 1965-8-4 s.n. Siskiyou Marble Mts. Comment
  CAS-BOT-BC157167  Rubus ursinus Wm. Bridge Cooke 1938-6-17 11048 Siskiyou Sisson Southern Trail Comment
  JEPS16949  Rudbeckia klamathensis Peter H. Raven 1956-9-5 10466 Siskiyou North Fork of the Sacramento River 1584 Comment
  HSC28677  Rumex acetosella Frederick W. Oettinger 1968-8-10 466 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area; Trail east side of Hancock Lake 1890 Comment
  HSC39753  Rumex acetosella J. O. Sawyer 1969-8-1 1619 Siskiyou Along road 41N14 at trail to Eaton Lake 1402 Comment
  HSC29621  Sagina saginoides Frederick W. Oettinger 1969-8-19 1467 Siskiyou Marble Mountain Wilderness Area, near Abbott's 1860 Comment
  UC935739  Sagittaria cuneata Calvin McMillan and Malcolm A. Nobs 1949-6-17 799 Siskiyou Grass Lake; Highway 97 Comment
  CAS-BOT-BC102816  Salix boothii John Thomas Howell 1939-8-7 15132 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC103538  Salix commutata Louis C. Wheeler 1934-8-9 3083 Siskiyou Klamath National Forest, Jaynes Canyon 1981 Comment
  CAS-BOT-BC103463  Salix eastwoodiae John Thomas Howell 1939-8-5 15078 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  LA208575  Salix eastwoodiae J. M. Tucker; 1963-7-7 3730 -A Siskiyou Marble Mountain Wilderness Area, in vicinity of Paradise Lake, at base of Kings Castle on E side 1981 Comment
  UC375236  Salix eastwoodiae Geo. D. Butler 1908-8-7 152 Siskiyou bank of lake at head of W. Fork Woody Creek Comment
  LA208814  Salix lasiandra Mrs. H. P. Bracelin; 1931-6-19 423 Siskiyou NE side of Mount Eddy, about 16 km NW of Shasta City, above Metcalf ranch house 1350.0 Comment
  UC482236  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1931-6-19 411 Siskiyou ca. 16 km. n.w. Shasta City (stream above Metcalf ranch house, n.e. side Mt. Eddy); Mt. Eddy 1425 Comment
  CAS-BOT-BC107060  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 415 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1455 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
  UC449839  Salix lasiolepis L. S. Smith 1931-6-1 19 Siskiyou nr. Mt. Shasta 1066 Comment
  UC482337  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-20 434 Siskiyou about 10 km nw Shasta City (beside road, e of Metcalf ranch house) 1080 Comment
  CAS-BOT-BC124535  Salix lasiolepis var. lasiolepis L. E. Smith 1914-4-26 647 Siskiyou near Dunsmuir Comment
  CAS-BOT-BC128308  Salix lasiolepis var. lasiolepis John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53414 Siskiyou Oro Fino 853 Comment
  CAS-BOT-BC128310  Salix lasiolepis var. lasiolepis Alice Eastwood 1921-7-28 10895 Siskiyou Medicine Lake on hills. Comment
  UC576376  Salix ligulifolia Mrs. H. P. Bracelin 1936-5-12 846 Siskiyou 11 mi. n.w. from Shasta City (ca. 2 mi. e. of Burney Mill, n. base Mt.Eddy, beside creek at bridge); Mt. Eddy 1127 Comment
  UC481730  Salix melanopsis Mrs. H. P. Bracelin 1931-6-22 475 Siskiyou near hwy. at Flume Creek Camp (Flume Creek - tributuary of Pit River); Flume Creek 555 Comment
  UC576381  Salix melanopsis Mrs. H. P. Bracelin 1936-9-3 861 Siskiyou 11 mi. n.w. Mt. Shasta City (ca. 2 mi. e. of Burney Mill, beside creek at first bridge, n. base Mt. Eddy); Mt. Eddy 1127 Comment
  CAS-BOT-BC125934  Salix prolixa L. E. Smith 1914-3-18 588 Siskiyou Yreka Comment
  CAS-BOT-BC126133  Salix scouleriana L. S. Smith 1931-6-7 13 Siskiyou Mt. Shasta 1066 Comment
  CAS-BOT-BC126149  Salix scouleriana Wm. F. Herrin 1918-5-15 s.n. Siskiyou Shasta Springs 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
  POM107274  Salix scouleriana Geo. D. Butler 1908-8-11 148 Siskiyou Shackleford Creek. Comment
  POM219901  Salix scouleriana H. P. Bracelin 1931-6-20 446 Siskiyou E side of Mount Eddy. About 17 km NW of Shasta City. Wagon Creek Canyon. About 1 km up from Metcalf ranch house. 1170 Comment
  UC375224  Salix scouleriana Geo. D. Butler 1909-4-11 1079 Siskiyou Shasta Retreat Comment
  UC375239  Salix scouleriana Geo. D. Butler 1908-8-11 148 Siskiyou Shackleford Creek Comment
  UC481724  Salix scouleriana Mrs. H. P. Bracelin 1931-6-21 472 Siskiyou ca. 13 km. n.w. Shasta City (at bridge ca. 1.3 km. e. of Burney Mill, n. base Mt. Eddy); n. base Mt. Eddy 1110 Comment
  CAS-BOT-BC126160  Salix scouleriana L. E. Smith 1914-3-17 574 Siskiyou Sisson, Junction of S.P. and McCloud R.R. Comment
  UC1539980  Salvia dorrii var. dorrii M. Mitchell 1936-5-21 45 Siskiyou Frozen River Cave; Lava Beds National Monument Comment
  UC163996  Salvia dorrii var. dorrii Geo. D. Butler 1908-7-16 178 Siskiyou near Yreka (Klamath River bluffs); Klamath River Comment
  HSC14352  Salvia dorrii var. incana R. C. Wunner 1965-7-9 357 Siskiyou Lava Beds National Monument, Black Crater Trail, 25 yds. from Hardin Butte trail jct. Comment
  JEPS62712  Salvia dorrii var. incana Geo. D. Butler 1908-7-16 177 Siskiyou near Anderson Ferry, Klamath River; Klamath River Comment
  SEINET13947646 Image available Salvia sonomensis A. A. Heller 1905-1 8044 Siskiyou Near Sisson Comment
  RSA186318  Sambucus caerulea Gilbert Muth 1966-10-16 s.n. Siskiyou Marble Mountains 1793 Comment
  UC1281237  Sambucus mexicana H. E. McMinn 1931-6-27 2527 Siskiyou Hamburg to Seiad<?> Valley; Kl. River Comment
  UC60941  Sambucus mexicana Geo. B. Grant September, 1902 5243 Siskiyou Shasta Springs Mount Shasta 609 Comment
  POM210953  Sambucus microbotrys L. C. Wheeler 1934-8-2 3019 Siskiyou Alex Hole, Alex Canyon. Siskiyou Mtns. 1890 Comment
  HSC409  Sanicula tuberosa William J. Ferlatte 1967-6-30 589 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  CAS-BOT-BC110340  Sarcobatus vermiculatus Louis C. Wheeler 1934-10-21 3333 Siskiyou Shasta Valley 4 miles east Grenada. 868 Comment
  JEPS59093  Sarcodes sanguinea W. L. Jepson 1907-7-6 2859 Siskiyou Ridge above Cudahay Valley, region of Marble Mt. Comment
  UC1733718  Saxifraga Kay H. Beach, Frank Gould 1940-5-15 630 Siskiyou Bull Meadows Comment
  UC166551  Saxifraga californica Geo. D. Butler 1909-4-4 583 Siskiyou near Yreka Comment
  CAS-BOT-BC482444  Saxifraga mertensiana Dana York 2011-8-13 3052 Siskiyou Marble Mountain Wilderness, Klamath National Forest, E-slope of Black Marble Mountain 1950 Comment
  POM354577  Saxifraga odontoloma M. B. Dunkle 1945-8-2 9271 Siskiyou Klamath Natl Forest. Marble Mt. Comment
  UCR52361  Saxifraga tolmiei K. Berg, Stephanie Bennett 1986-8-25 648 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little South Fork of Salmon River; above Little South Fork Lake 2287 Comment
  CAS-BOT-BC445883  Saxifragopsis fragarioides C. G. Pringle 1909-7-15 897 Siskiyou Highland Mine 1828 Comment
  JEPS47486  Saxifragopsis fragarioides Geo. D. Butler 1909-7-15 897 Siskiyou 3 mi ene Finley's Camp (Highland Mine); Salmon Mts. 1706 Comment
  UCD126473  Schedonorus pratensis Geo. D. Butler 1909-6-28 851 Siskiyou Almy Creek, near Yreka. Comment
  SEINET5717261 Image available Schoenoplectus americanus Philip E. Hyatt 2002-1 11141 Siskiyou Fr. Goff Recreation Area at T47N R12W S32's south edge at S5 of T46N R12W. Along Klamath River. Comment
  SEINET10504058  Scirpus acutus Katherine L. Morris 1973-6-2 Morris 347 Siskiyou Found at the junction of shasta and klamath rivers on hwy 263 Comment
  RSA366109  Scirpus lineatus L. C. Wheeler 1934-7-17 2914 Siskiyou Cottonwood Creek, Siskiyou Mtns. (Mt Diablo Mer.) 1037 Comment
  UC184012  Scirpus microcarpus Geo. D. Butler 1908-8-28 81 Siskiyou Oro Fino Oro Fino (wet meadow) Comment
  UC840945  Scirpus microcarpus L. E. Smith 1913-5-27 295 Siskiyou Weed Comment
  HSC33327  Scirpus microcarpus William J. Ferlatte 1974-7-14 1530 Siskiyou Big Flat near S Fork of Salmon River, W of campground 1509 Comment
  RSA65631  Scleranthus annuus L. C. Wheeler 1935-6-15 11801 Siskiyou Greenview, Scott Valley. 884 Comment
  HSC101742  Scleranthus annuus subsp. annuus J. P. Smith, J. O. Sawyer 2010-5-2 12803 Siskiyou Oak Bottom River Access Road 175 Comment
  HSC10893  Scribneria bolanderi L. C. Wheeler 1935-5-18 3500 Siskiyou Yreka Creek 854 Comment
  UC164350  Scrophularia lanceolata Geo. D. Butler 1910-5-22 1383 Siskiyou Yreka Creek Comment
  POM43114  Scrophularia lanceolata Geo. D. Butler 1910-5-22 1383 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC214193  Scutellaria Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 273 Siskiyou Mumbo Basin, Trinity Mts. 1828 Comment
  UC726395  Scutellaria antirrhinoides A. A. Heller 1919-6-25 13270 Siskiyou Compton's Prairie Comment
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Dec 29 2006
  HSC659  Scutellaria antirrhinoides William J. Ferlatte 1967-7-8 674 Siskiyou Along S Fork of Salmon River between the campground and Carter's 1524 Comment
  JEPS94880  Scutellaria galericulata Vernon H. Oswald and Lowell Ahart 1998-7-21 9350 Siskiyou ne of Weed and s of Macdoel (along Old State Highway on the w side of Bray); along Old State Highway on the w side of Bray 1417 Comment
  JEPS57135  Scutellaria nana L. R. Heckard 1967-7-5 1602 Siskiyou Bolam Mount Shasta (along logging road, n side of Mount Shasta) 1524 Comment
  CDA2410  Secale cereale T. C. Fuller 1958-6-19 1893 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  HSC26548  Secale cereale J. P. Smith, Steve Selva 1970-7-17 4429 Siskiyou Along Klamath River Comment
  CAS-BOT-BC64659  Sedum kiersteadiae Wm. Bridge Cooke 1939-8-10 13849 Siskiyou Mud Creek Canyon, Mt. Shasta 1676 Comment
  HSC104260  Sedum kiersteadiae P. F. Zika 2013-6-28 26289 Siskiyou Klamath Range; Route 26; 0.6 air km WNW of Gumboot Lake 1960 Comment
  RSA233710  Sedum lanceolatum Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mts., Shasta-Trinity National Forest: ca. 15 air mi. SW of Weed near Kangaroo Lake Campground. Comment
  JEPS101157  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
  CHSC460  Sedum obtusatum subsp. boreale V. Holt 1932-6-26 Siskiyou Mt. Eddy. 1981 Comment
  JEPS26673  Sedum obtusatum subsp. boreale Lauramay T. Dempster 1961-7-1 1841 Siskiyou along ridge from Condrey Peak to White Mountain; along ridge fr Condry Peak to White Mountain Comment
  CHSC96024  Sedum obtusatum subsp. obtusatum L. P. Janeway 2006-7-4 8798 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  RSA603160  Sedum oregonense L. C. Wheeler 1934-6-29 2832 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1067 Comment
  CHSC90388  Selaginella wallacei Martin J. Lenz 2004-12-17 1085 Siskiyou Road cutbank near small tributary of Tompkins Cr., approx. 7.1 air mi. SW of mouth of Scott River. UTM: 10 489596 E 4616333 N. 957 Comment
  CAS-BOT-BC69760  Selaginella wallacei Geo. D. Butler 1909-7-15 874 Siskiyou Highland River. Comment
  CAS-BOT-BC69762  Selaginella wallacei Louis C. Wheeler 1934-8-15 3158 Siskiyou East Fork Horse Creek, Siskiyou Mtns., Mt. Diablo Mer. 1524 Comment
  UC618631  Senecio aronicoides W. Bridge Cooke 1938-6-17 11013 Siskiyou Sisson Southern Trail Mount Shasta 1524 Comment
  UC917260  Senecio aronicoides R. Tofsrud and J. M. Tucker 1948-8-2 1763 Siskiyou Panther Meadows, s slope of Mt. Shasta Mt. Shasta 2407 Comment
  CAS-BOT-BC341179  Senecio hydrophiloides Geo. D. Butler 1910-6-19 1581 Siskiyou Goosenest foothills 1524 Comment
  UC163920  Senecio hydrophiloides Geo. D. Butler 1910-6-19 1581 Siskiyou Goosenest foothills Goosenest 1524 Comment
  HSC22189  Senecio triangularis J. O. Sawyer 1969-8-4 1810 Siskiyou Above Sugar Lake 2134 Comment
  RSA22180  Senecio triangularis J. T. Howell 1939-8-3 15023 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  CAS-BOT-BC364450  Senecio triangularis C. L. Hitchcock; J. S. Martin 1939-7-6 5204 Siskiyou Siskiyou Mts., 2 miles within California boundary on Takilma-Happy Camp road 1554 Comment
  UC446959  Sericocarpus oregonensis subsp. oregonensis L. F. Henderson 1929-8-23 11465 Siskiyou near, along bluffs of Smith River Siskiyou Divide; Smith River Comment
  HSC64942  Sibbaldia procumbens D. L. Goforth 1979-7-19 266 Siskiyou Caribou Lakes Basin, lakeside at upper lake. 2134 Comment
  JEPS57210  Sibbaldia procumbens L. R. Heckard 1967-8-14 1729 Siskiyou above Horse Camp (on sw flank of Mt. Shasta); Mt. Shasta 2560 Comment
  UC1409367  Sibbaldia procumbens Frederick W. Oettinger 1968-8-23 607 Siskiyou ridges near Diamond Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2072 Comment
  CHSC99989  Sidalcea asprella L. P. Janeway 2008-7-25 9500 Siskiyou Klamath Ranges. Siskiyou Mountains; 3/2 air km souothwest of Cook and Green Pass; 0.4 km southeast of Red butte. 1736 Comment
  JEPS105152  Sidalcea asprella Dean W. Taylor 1993-7-30 13987 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 mi E of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  JEPS105035  Sidalcea glaucescens Dean W. Taylor 1996-7-7 15823 Siskiyou Scott Mountains; Highway 3 about 3 miles North of Scott Mountain Pass; Klamath National Forest 1402 Comment
  HSC30765  Sidalcea malviflora Arthur R. Kruckeberg 1972-6-10 6219 Siskiyou 3-4 mi. S of Cook and Green Pass Comment
  RSA87992  Sidalcea malviflora subsp. elegans C. L. Hitchcock 1952-6-30 19640 Siskiyou About 30 miles S. W. of Happy Camp on road to Orleans. Roadside cut. Comment
  RSA105426  Sidalcea oregana subsp. eximia G. D. Barbe 1955-7-1 83 Siskiyou 7 miles north of Callahan at jct. of the Eastside Road and the east-west road crossing Scott Valley; 884 Comment
  JEPS67291  Sidalcea oregana subsp. oregana W. L. Jepson 1940-7-1 20088 Siskiyou 6 mi e McCloud (McCloud River); , e of McCloud, Fowlers Camp 975 Comment
  JEPS67254  Sidalcea oregana subsp. spicata W. L. Jepson 1914-8-13 5784 Siskiyou Sisson 1097 Comment
  JEPS67261  Sidalcea oregana subsp. spicata Geo. D. Butler 1909-6-22 905 Siskiyou Goosenest Mt. Comment
  UC164432  Sidalcea oregana subsp. spicata Geo. D. Butler 1909-6-22 905 Siskiyou Goosenest Mountain foothills of Goosenest Mountain Comment
  HSC46142  Sidalcea oregana subsp. spicata J. P. Smith, Steve Selva 1970-8-7 4541 Siskiyou Jct. I-5 and Stewart Creek Rd. Comment
  CAS-BOT-BC181201  Silene campanulata subsp. glandulosa John Thomas Howell 1939-8-3 14971 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  JEPS2862 Image available Silene campanulata subsp. glandulosa W. L. Jepson Jul 17 1902-Jul 22 1902 2076 a Siskiyou trail to Salmon Forks; Salmon Summit; Trail to Salmon Forks, Salmon Summit, Western Siskiyou 2133 Comment
  HSC68107  Silene campanulata subsp. greenei J. P. Smith 1973-5-5 6495 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC99733  Silene campanulata subsp. greenei G. L. Clifton, Grisswold 1979-6-28 6111 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  POM267218  Silene campanulata subsp. greenei Marion Ownbey, Fred G. Meyer 1940-7-6 2199 Siskiyou Summit of Cayenne Ridge, Marble Mountain Comment
  JEPS50923  Silene dichotoma Geo. D. Butler 1909-8-17 961 Siskiyou field enar Yreka; Field near Yreka Comment
  CAS-BOT-BC387060  Silene douglasii W. B. Cooke 1956-7-16 30305 Siskiyou Along old logging road above Hotlum Station, north side of Mount Shasta 1524 Comment
  SD98921  Silene douglasii Darley F. Howe 1977-7-5 Siskiyou Area north of Mt. Shasta. 1460 Comment
  HSC58861  Silene grayi Marvin Butler 1971-7-11 92 Siskiyou Near Youngs Valley, close to the town of Cave Junction 1403 Comment
  UC1409290  Silene grayi Frederick W. Oettinger 1968-8-22 592 Siskiyou high lake basins in vicinity English Peak (n slope of English Peak, near Lookout, Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2222 Comment
  UC454248  Silene grayi I. J. Condit 1909-8-23 Siskiyou near Sisson (Castle Lake); , near Sisson 1981 Comment
  RSA477904  Silene hookeri Edwin Kline 1920-6-24 s.n. Siskiyou Siskiyou Mts. Comment
  UC1045268  Silene lemmonii W. B. Cooke 1940-6-7 15104 Siskiyou near Black Butte (along the Pacific Highway); near Black Butte, along the Pacific Highway 1219 Comment
  RSA715632  Sisymbrium altissimum L. Ahart, John Dittes 2005-6-9 12020 Siskiyou On the east side of a poor rock fence, about 350 yards E of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2.5 miles (air) ESE of Grenada. 775 Comment
  POM109018  Sisyrinchium bellum Geo D. Butler 1909-6-22 885 Siskiyou Goose nest meadows 1524 Comment
  SEINET10607333  Sitanion longifolium Edwin B. Copel 1903-7-3 Copeland 3536 Siskiyou Klamathon. Comment
  UCSB25036  Smilax californica Keefe, Joseph 1967-7-11 Siskiyou Elk Creek Road, 6 miles south of Happy Camp 426 Comment
  CHSC72241  Solanum dulcamara Vernon H. Oswald; Lowell Ahart 1998-9-16 9637 Siskiyou Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi east of Hwy. 97. 1243 Comment
  NY821171  Solanum parishii W. B. Cooke 1940-6-20 15180 Siskiyou Along the Pacific Highway in the Klamath gorge 2000 Comment
  UC163710  Solanum umbelliferum Geo. D. Butler 1908-8-3 18 Siskiyou Log Lake, Shackleford Creek Log Lake; , Shackleford Creek Comment
  RSA68867  Solanum umbelliferum A. E. Culbertson 1943-6-24 89 Siskiyou At lake level in rocks along the road at Castle Lake, 5434, in a north facing cirque with an abrupt 1000' back wall; 14 miles SW of Mt. Shasta on N side of a 6000' eastern spur of Trinity Mts., 2000' above Sacramento River within 10 air miles of its headwaters to the west. 1657 Comment
  SEINET5760795  Solanum umbelliferum Joseph P. Tracy 1950-7-20 19214 Siskiyou About 8 miles SE of Flint Valley, on road to New Orleans Comment
  RSA473675  Solidago canadensis subsp. elongata L. S. Rose 1937-7-26 37604 Siskiyou McCloud 1006 Comment
  CAS-BOT-BC365576  Solidago elongata Geo. D. Butler 1910-7-20 1732 Siskiyou Goosenest foothills 1524 Comment
  JEPS32369  Solidago velutina subsp. californica Geo. D. Butler 1908-8-27 309 Siskiyou Quigley's Ranch , Quigley's Ranch (Oro Fino) Comment
  CDA7670  Sonchus oleraceus T. C. Fuller 1959-10-14 3271 Siskiyou Big Springs Park, Mt. Shasta City. 0 Comment
  HSC18982  Sorbus scopulina J. O. Sawyer 1969-8-4 1896 Siskiyou Above S Sugar Lake 2043 Comment
  HSC29500  Sorbus scopulina Frederick W. Oettinger 1968-8-13 501 Siskiyou Marble Mtn. Wilderness Area, S inlet to Hancock Lake 1936 Comment
  SBBG50781  Sorbus scopulina J. M. Tucker 1963-7-7 3715 Siskiyou vicinity of Paradise Lake, at base of King's Castle on the E side, Marble Mtn Wilderness Area 1981 Comment
  UC466712  Sorbus scopulina Annie M. Alexander and Louise Kellogg 1911-8-23 341 Siskiyou Castle Lake 1656 Comment
  UCR70825  Sorbus scopulina L. C. Wheeler 1934-8-8 3068 Siskiyou Siskiyou Mtns., West Fork Beaver Creek 1677 Comment
  UC44993  Sorbus scopulina var. cascadensis W. L. Jepson July 1894 13850 Siskiyou Sisson 1082 Comment
  UC1409332  Sorbus scopulina var. scopulina Frederick W. Oettinger 1968-9-8 782 Siskiyou e side English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1813 Comment
  RSA531259  Sorbus sitchensis subsp. californica Walter Wisura, D. Grzanna 1991-9-3 4573 Siskiyou SE shore of Castle Lake W of town of Mt. Shasta. Comment
  HSC29506  Sorbus sitchensis var. sitchensis Frederick W. Oettinger, R. F. Thorne 1969-8-7 1276 Siskiyou Marble Mtn. Wilderness Area, SE end of English Lake 1799 Comment
  UCD170026  Spergularia rubra Louis C. Wheeler 1934-9-2 3239 Siskiyou Siskiyou Mountains, Miller Glade. 1828 Comment
  RSA472773  Spiraea densiflora M. B. Dunkle 1945-1 9306 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  RSA105492  Spiraea densiflora var. splendens G. D. Barbe 1955-7-26 270 Siskiyou On northwest slope of Scott Mtn. near a dry ditch. 1829 Comment
  JEPS46333  Spiraea douglasii W. L. Jepson 1940-7-3 20107 Siskiyou 5 mi se Bartle; Big Bear Flat 1219 Comment
  RSA237598  Spiraea douglasii Frederick W. Oettinger 1969-8-16 1409 Siskiyou English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1799 Comment
  RSA300520  Spiraea douglasii John Dourley, Walter Wisura 1982-10-16 3875 Siskiyou Castle Lake. SW of the town of Mt. Shasta. 1646 Comment
  CAS-BOT-BC152552  Spiraea splendens A. A. Heller 1916-7-22 12484 Siskiyou East side of Mt. Eddy 1676 Comment
  CAS-BOT-BC421466  Spiraea splendens A. A. Heller 1916-7-22 12484 Siskiyou East side of Mt. Eddy 1676 Comment
  CHSC84754  Stachys ajugoides var. rigida L. P. Janeway 2003-8-9 7962 Siskiyou Klamath Ranges. Siskiyou Mountains between Cook and Green Pass and Red Butte; spring at head of uppermost fork of Seiad Creek. 1725 Comment
  UC1483507  Stachys ajugoides var. rigida Maralyn A. Renner 1980-8-31 2670 Siskiyou at trailhead to Twin Valley (Poker Flat); Klamath National Forest, Preston Peak Quad. 1524 Comment
  UC637084  Stachys ajugoides var. rigida Edward Lee 1934-8-13 1073 Siskiyou Happy Camp to Waldo (Oregon) road, watershed of West Branch of Indian Creek Klamath National Forest, Indian Creek 1371 Comment
  POM208265  Stachys rigida subsp. rigida Louis C. Wheeler 1934-6-4 2631 Siskiyou Hamburg Gulch off Horse Creek. (Mt. Diablo Mer.) Siskiyou Mts. 610 Comment
  CAS-BOT-BC175331  Stellaria borealis subsp. sitchana Wm. Bridge Cooke 1938-7-29 11426 Siskiyou Wagon Camp Comment
  HSC23656  Stellaria borealis subsp. sitchana J. O. Sawyer 1969-6-27 857 Siskiyou Along CCC Rd. 1311 Comment
  CAS-BOT-BC181421  Stellaria calycantha G. J. Muth 1969-8-12 1375 Siskiyou Second Valley 2225 Comment
  SEINET10537638  Stellaria jamesiana Mary Susan Taylor 1980-6-23 Taylor 2941 Siskiyou T39N R5W sw sec 28 Dunsmuir quad; Shasta Trinity Natl Forest. Soapstone Gulch, on E side of Rd 39N45, ca. 2 mi S of its jct with Hwy 26, ca. 8 mi SW of Mt Shasta City. With B. Williams. (Meadows 0.3, .55 and .05 mi from end of road have Darlingtonia). 1676 Comment
  HSC41086  Stellaria nitens J. O. Sawyer 1970-3-4 2072 Siskiyou N of Idlewild Campground 762 Comment
  RSA183713  Stenanthium occidentale Gilbert Muth 1965-8-16 224 Siskiyou Behind Blk. Mt. [Black Marble Mountain?] near the trail, Marble Mountains Comment
  RSA377577  Stenanthium occidentale M. B. Dunkle 1945-7-24 9250 Siskiyou Klamath National Forest, Marble Mountains; Dads Pocket Comment
  CAS-BOT-BC375638  Stephanomeria lactucina W. R. Dudley 1899-8-9 s.n. Siskiyou Mesa above Upton, south of Black Butte Comment
  HSC29102  Stephanomeria lactucina Frederick W. Oettinger 1968-8-7 473 Siskiyou Marble Mtn. Wilderness Area, E side of Hancock Lake 1890 Comment
  RSA237476  Stephanomeria lactucina Frederick W. Oettinger, R. F. Thorne 1969-8-5 1195 Siskiyou Dry trail on way to Abbotts. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1677 Comment
  HSC6226  Stephanomeria tenuifolia D. M. Thomson 1965-8-14 188 Siskiyou California Lava Beds National Monument; Caldwell Butte, on the S side Comment
  HSC19239  Stipa occidentalis var. occidentalis J. O. Sawyer 1969-7-25 1545 Siskiyou West of High Lake 2256 Comment
  CHSC67485  Streptanthus barbatus James D. Jokerst 1992-7-30 3426 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. [No additional location data; W of Interstate 5? V. Oswald]. Comment
  CAS-BOT-BC87870  Streptanthus tortuosus Robert F. Thorne; Fred Oettinger 1969-8-10 39004 Siskiyou Mount Shasta National Forest. South slope of Mount Shasta. Above ski lodge. 2438 Comment
  CAS-BOT-BC87872  Streptanthus tortuosus D. E. Breedlove 1962-6-11 3355 Siskiyou At base of Black Butte along U.S. Highway 99, 4 miles south of Weed. 1188 Comment
  CAS-BOT-BC87959  Streptanthus tortuosus Reed Rollins 1938-8-21 11555 Siskiyou Mount Shasta. Around the various water supply springs above Horse Camp and around Horse Camp fountain overflow. 2438 Comment
  RSA142606  Streptanthus tortuosus P. A. Munz 1960-8-22 24193 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
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Jun 28 2018
  RSA183658  Streptanthus tortuosus Gilbert Muth 1965-8-5 171 Siskiyou On trail to Black Mtn, Marble Mtns. Comment
  UC956608  Streptanthus tortuosus Freed W. Hoffman 1948-7-9 2287 Siskiyou along road to O'Brien from Happy Camp 4.5 mi n West Branch Forest Camp (3.8 mi s of Siskiyou Mountains summit); North Coast Ranges Comment
  UC1492819  Streptanthus tortuosus Freed W. Hoffman 1950-7-12 3424 Siskiyou rocks along Klamath River Hwy 3.2 mi from Pick-Aw-Wish Public Camp (toward the e) Comment
  HSC43270  Streptanthus tortuosus var. tortuosus K. Irwin 1977-5-22 392 Siskiyou On S Fork Salmon River Rd., 4.5 mi. W of Cecilville Comment
  HSC62006  Streptopus amplexifolius Ruby Van Deventer 1959-7-10 Siskiyou Poker Flat 1585 Comment
  UC796666  Streptopus amplexifolius var. americanus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11749 Siskiyou w of Callahan (French Creek Logging Road) 1066 Comment
  JEPS83580  Suaeda calceoliformis Dean W. Taylor 1987-8-9 9290 Siskiyou 8.3 mi w Highway 139 (along Highway 161 (Oregon border)); Lower Klamath National Wildlife Refuge 1249 Comment
  HSC29456  Suksdorfia ranunculifolia Frederick W. Oettinger 1969-7-13 998 Siskiyou Marble Mtn. Wilderness Area, N of Upper English Lake 1921 Comment
  UC1190180  Suksdorfia ranunculifolia Ira L. Wiggins 1955-7-27 13546 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  CHSC71301  Swertia albicaulis var. albicaulis Vernon H. Oswald; Lowell Ahart 1998-6-11 9186 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
  HSC26922  Symphoricarpos albus var. laevigatus J. P. Smith, J. O. Sawyer 1971-9-18 4845 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  CAS-BOT-BC234779  Symphoricarpos mollis John Thomas Howell 1939-8-2 14947 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC234782  Symphoricarpos mollis H. A. Thomas; J. H. Thomas 1954-7-22 4447 B Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Between Rush and Big Bend Creeks, 0.25 - 0.5 miles N of S Fork of Salmon River 975 Comment
  UC165280  Symphyotrichum bracteolatum Geo. D. Butler 1910-8-13 1828 Siskiyou Oro Fino Comment
  CHSC86454  Symphyotrichum campestre Jenny Marr 1993-7-1 71 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  CAS-BOT-BC97887  Symphyotrichum eatonii L. E. Smith 1912-8-1 s.n. Siskiyou Weed Comment
  CAS-BOT-BC97876  Symphyotrichum eatonii Doris K. Kildale 1925-9-6 1278 Siskiyou Somes Bar, at junction of Salmon & Klamath River 274 Comment
  HSC76971  Symphyotrichum foliaceum K. T. Stillman 1976-9-10 496 Siskiyou Marble Mountain Wilderness Area, across marble on E side of Black Mountain 2104 Comment
  UC165286  Symphyotrichum foliaceum Geo. D. Butler 1910-8-13 1830 Siskiyou Quartz Valley Comment
  CAS-BOT-BC98942  Symphyotrichum foliaceum var. parryi John Thomas Howell 1939-8-2 14877 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC98445  Symphyotrichum spathulatum Alice Eastwood 1921-7-25 10844 Siskiyou Bigelows, McCloud River Comment
  CAS-BOT-BC98854  Symphyotrichum spathulatum var. intermedium Milo S. Baker 1926-8-8 230 b-'26 Siskiyou Between Red Mt. and Grants Peak 2194 Comment
  CAS-BOT-BC98920  Symphyotrichum spathulatum var. intermedium L. R. Abrams 1927-9-11 12137 Siskiyou Shasta Valley, Yreka to Gazelle Comment
  SEINET10861042  Taeniatherum caput-medusae E. E. Stanford 1930-6-16 Stanford 1602 Siskiyou Roadsides and open fields near Hornbrook Comment
  RSA184711  Taraxacum officinale Gilbert Muth 1966-8-1 484 Siskiyou Marble Valley Horse Pasture, Marble Mountains 1793 Comment
  RSA237669  Tauschia howellii Frederick W. Oettinger 1967-8-21 298 Siskiyou 20 yards south off the Tom Taylor Cabin- Pine Lake Trail, just after one leaves the first patch of Red Fir woods (heading towards Pine Lake). The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  HSC44387  Tellima grandiflora Maralyn O'Meara 1973-6-25 239 Siskiyou Music Creek 1463 Comment
  UC166555  Tellima grandiflora Geo. D. Butler 1909-7-15 896 Siskiyou Highland Mine Comment
  UC922308  Tellima grandiflora Annie M. Alexander and Louise Kellogg 1949-7-28 5881 Siskiyou Sky High Valley; Marble Mountains 1767 Comment
  JEPS1219  Tellima grandiflora Freed Hoffman 1951-7-11 4035 Siskiyou about 8 mi above Scott River (on Kelsey Creek, Hammond's Stock-raising Camp, w Siskiyou County); Marble Mountains 1524 Comment
  CAS-BOT-BC332879  Tetradymia canescens J. William Thompson 1936-7-8 13164 Siskiyou Lava Beds National Monument Comment
  SBBG30494  Tetradymia canescens D. Myrick 1968-6-22 1985 Siskiyou Lava Beds Nat Monument 1371 Comment
  UC1539985  Tetradymia canescens M. Mitchell 1936-5-2 41 Siskiyou 0.25 mi sw Fleener Chimneys; Lava Beds National Monument 1402 Comment
  CAS-BOT-BC88063  Thelypodium brachycarpum A. A. Heller 1905-6-9 8011 Siskiyou Montague. Comment
  UC1473427  Thelypodium brachycarpum Gilbert Jerome Muth 1978-8-3 6794 Siskiyou near Kangaroo Lake (close to town of Callahan); China Mt. Quad. 1951 Comment
  CAS-BOT-BC197374  Thinopyrum intermedium subsp. barbulatum T. C. Fuller 1962-8-30 9498 Siskiyou 200 yds. up Raggedass Gulch, e. of Beaver Creek, 5 mi. n. of the Klamath River Comment
  CAS-BOT-BC66793  Thysanocarpus curvipes Geo. D. Butler 1910-4-25 1241 1/2 Siskiyou Fields - Oro Fino. Comment
  CAS-BOT-BC66800  Thysanocarpus curvipes Lewis S. Rose 1945-6-18 45118 Siskiyou Horse Creek and Klamath River. 502 Comment
  CAS-BOT-BC66802  Thysanocarpus curvipes Roxana S. Ferris; Laura Lorraine 1948-6-12 11887 Siskiyou Scott Mountain Road south of Callahan. Comment
  HSC46212  Thysanocarpus curvipes Jennifer Whipple 1976-5-2 903 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  SD230295  Tiarella trifoliata var. unifoliata Louis C. Wheeler 1959-7-25 7602 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  RSA120207  Tofieldia glutinosa subsp. occidentalis S. S. Tillett 1956-7-11 680 Siskiyou Meadows on both sides of Scott Mtn. divide, near campground; Siskiyou-Trinity cos. line, about 8 miles SE of Callahan 1616 Comment
  JEPS97190  Tofieldia occidentalis subsp. occidentalis Julie Kierstead Nelson with Maria Ulloa-Cruz 1995-8-22 95048 Siskiyou 1 1/2 mi W of The Eddys (on Parks Creek Road (Rd. 17); W slope of Parks Creek drainage); Shasta-Trinity National Forests, Mt. Shasta Ranger District 1737 Comment
  HSC72467  Tonella tenella J. P. Smith 1973-5-5 6408 Siskiyou Along Cook and Green Pass Rd. Comment
  JEPS31007  Tonella tenella D. E. Breedlove 1962-6-10 3283 Siskiyou 22.0 mi nw Happy Camp (on sw slope of Little Grayback Mountain, along Indian Creek Road from O'Brien to Happy Camp); Siskiyou Mountains, Little Grayback Mountain 1524 Comment
  SEINET13750575  Tonella tenella G. D. Butler 1910-4-17 1193 Siskiyou Near Yreka. Comment
  UC163695  Toxicodendron diversilobum Geo. D. Butler 1908-7-4 1034 Siskiyou Shasta R. near mouth Shasta R. Comment
  CAS-BOT-BC377098  Tragopogon dubius Alice Eastwood; John Thomas Howell 1936-6-13 2742 Siskiyou Weed Comment
  UC163902  Tragopogon pratensis Geo. D. Butler 1910-7-1 1619 Siskiyou Yreka Comment
  UC618635  Trientalis latifolia W. Bridge Cooke 1938-6-17 11050 Siskiyou Mount Shasta, Sisson Southern Trail Sisson Southern Trail; Mount Shasta, Sisson Southern Trail 1371 Comment
  UCD166858  Trifolium arvense Robert E. Preston 2016-7-7 3060 Siskiyou 4.2 mi NE of Forks of Salmon, along Sawyers Bar Rd, near mouth of Big Creek. 478 Comment
  HSC39320  Trifolium eriocephalum J. P. Smith 1974-5-26 7386 Siskiyou Along FS Rd. 47N03 1524 Comment
  RSA582432  Trifolium hybridum Louis C. Wheeler 2791 Siskiyou Cottonwood Creek 838 Comment
  HSC86527  Trifolium longipes D. K. Imper Jun 1987 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  UC630806  Trifolium longipes var. elmeri A. A. Heller 1915-7-18 12099 Siskiyou Metcalf's Ranch northeast base of Mt. Eddy 1371 Comment
  UC1409229  Trifolium longipes var. hansenii Frederick W. Oettinger 1969-8-8 1298 Siskiyou near English Lake (vicinity of English Peak); Salmon Mtns, Marble Mtn Wilderness Area 1828 Comment
  UC968604  Trifolium longipes var. hansenii C. L. Hitchcock and J. S. Martin 1939-7-9 5332 Siskiyou near King's Castle (Paradise Lake) Comment
  UC631140  Trifolium longipes var. shastense A. A. Heller 1920-6-28 13404 Siskiyou e side Mt. Eddy (trail to Wagaon Creek Falls) 1371 Comment
  UC164162  Trifolium macrocephalum Geo. D. Butler 1910-4-15 1174 Siskiyou Dry hill Yreka Comment
  JEPS83895  Trifolium pratense Wayne Roderick Aug 1975 Siskiyou Cook and Green Pass Syskiyou Mtns Comment
  UC1045249  Trifolium pratense W. B. Cooke 1940-7-5 15235 Siskiyou Bear Springs meadow Mount Shasta 1524 Comment
  UC630703  Trifolium wormskioldii A. A. Heller 1919-6-25 13285 Siskiyou Compton's Prairie se base of Mt. Eddy 1158 Comment
  UC164451  Trillium albidum Geo. D. Butler 1909-4-14 669 Siskiyou Humbug <road> Comment
  CAS-BOT-BC133468  Trillium ovatum John Thomas Howell 1939-8-3 15020 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC133471  Trillium ovatum Philip A. Munz 1952-7-2 17889 Siskiyou Road to Baldy Mt. northwest of Happy Camp, Siskiyou Mts. 1524 Comment
  HSC69282  Trillium ovatum Maralyn A. Renner 1980-7-24 1963 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  HSC782  Trillium ovatum subsp. oettingeri William J. Ferlatte 1967-6-30 597 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  CAS-BOT-BC200268  Trisetum spicatum Gilbert Muth 1966-7-31 469 Siskiyou North side of Black Mountain, Marble Mts. 1981 Comment
  CAS-BOT-BC200271  Trisetum spicatum A. A. Heller 1914-8-28 11735 Siskiyou On the east side of Mt. Eddy 2438 Comment
  UC618667  Trisetum spicatum W. Bridge Cooke 1938-8-18 11485 Siskiyou Horse Camp Springs Mount Shasta (around the springs) Comment
  RSA60793  Triteleia crocea Dorothy Parker 1948-5-16 s.n. Siskiyou Near Harstrand Gulch, east side of Scott Valley 915 Comment
  POM109794  Triteleia crocea var. crocea Geo D. Butler 1909-5-30 786 Siskiyou Humbug Mountain. 1220 Comment
  CAS-BOT-BC522339  Triteleia hyacinthina Laura M. Lathrop 1903-7-17 s.n. Siskiyou Sisson Comment
  CAS-BOT-BC522343  Triteleia hyacinthina Geo. D. Butler 1909-5-31 785 Siskiyou Hawkinsville Comment
  UC161221  Triteleia ixioides subsp. anilina I. J. Condit 1911-7-27 Siskiyou Castle Lake 1828 Comment
  UC766338  Triteleia ixioides subsp. anilina W. Bridge Cooke 1940-6-6 15083 Siskiyou along Castle Lake Road Comment
  UC843609  Triteleia ixioides subsp. anilina A. A. Heller 1916-6-20 12413 Siskiyou ne base Mt. Eddy (Metcalf's Ranch); ne base Mt. Eddy, Metcalf's Ranch 1188 Comment
  RSA761844  Tsuga mertensiana Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63374 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  HSC67616  Typha J. P. Smith, Steve Selva 1970-8-8 4557 Siskiyou Juanita Lake Comment
  CAS-BOT-BC404212  Urtica dioica subsp. holosericea Elmer I. Applegate 1935-6-5 9298 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  UC1101479  Utricularia macrorhiza Calvin McMillan and Malcolm A. Nobs 1949-6-17 800 Siskiyou Grass Lake, Hwy. 97 Comment
  CDA42169  Utricularia vulgaris P. Zedeker 1964-7-28 s.n. Siskiyou Orr Lake, northwest of Bray. 0 Comment
  UC54461  Vaccaria hispanica H. M. Hall and E. B. Babcock June, 1903 4094 Siskiyou Mount Shasta Shasta Valley (Shasta Valley); Sierra Nevada Mountains, , Shasta Valley 853 Comment
  CAS-BOT-BC199192  Vaccinium cespitosum Doris K. Kildale 1928-8-19 6503 Siskiyou English Lake, head of North Fork of Salmon River Comment
  CHSC69749  Vaccinium cespitosum Loren Gehrung 1996-9-20 109 Siskiyou Jackson Lake. 1 airmile south of Russian Wilderness Area. 1901 Comment
  UC56728  Vaccinium deliciosum Harley P. Chandler Jun 1901 1617 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  HSC19365  Vaccinium membranaceum J. O. Sawyer 1968-7-9 442 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC68306  Vaccinium parvifolium Maralyn A. Renner 1980-7-4 1420 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  HSC19527  Vaccinium scoparium J. O. Sawyer 1969-8-5 1735 Siskiyou W of Little Duck Lake 2073 Comment
  RSA238858  Vaccinium scoparium Frederick W. Oettinger 1968-8-3 370 Siskiyou Base Camp Meadow at mid-trail between Diamond and Hancock Lakes. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  RSA240089  Vaccinium uliginosum subsp. occidentale Frederick W. Oettinger 1969-8-23 1512 Siskiyou Inlet to Smith Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC30274  Vahlodea atropurpurea William J. Ferlatte 1971-9-18 1377 Siskiyou Caribou Basin, lower slope of Sawtooth Ridge. 2195 Comment
  POM259584  Vahlodea atropurpurea J. T. Howell 1939-8-3 s.n. Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  HSC76881  Valeriana californica K. T. Stillman 1976-6-27 151 Siskiyou Marble Mtn. Wilderness Area. Comment
  JEPS80556  Valeriana sitchensis subsp. sitchensis Gilbert Muth 1965-8-6 190 Siskiyou backside of Black Mountain, Marble Mountain Wilderness Area Marble Mountain Wilderness Area; Black Mountain, Marble Mountain Wilderness Area 2042 Comment
  HSC45191  Vancouveria hexandra J. O. Sawyer, E. Cope 1977-6-18 2921 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  HSC100331  Ventenata dubia J. P. Smith 2011-7-15 13299 Siskiyou Off Tennant Road at a large, open borrow pit 1417 Comment
  CAS-BOT-BC238136  Veronica copelandii Alice Eastwood 1912-8-30 2003 Siskiyou Mount Eddy Comment
  CHSC1906  Veronica copelandii A. Anderson 1962-8-1 Siskiyou Near E. Boulder Lake, between Trinity and Scott river drainage. 2225 Comment
  JEPS16441  Veronica copelandii John G. Lemmon 1888-9-7 Siskiyou near Mount Eddy (Trinity - Siskiyou County Region) Comment
  CHSC88114  Veronica peregrina subsp. xalapensis Jenny Marr 1993-7-1 124 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC97143  Veronica peregrina subsp. xalapensis L. Ahart, John Dittes 2005-6-10 12059 Siskiyou Depression near dirt road, 80 yds. N of pump house along the Shasta River, 1.9 mi. S of Hwy. 99/97 Cutoff, 6 mi. ESE of Grenada 777 Comment
  UC887764  Veronica persica Louis C. Wheeler 1935-4-17 3425 Siskiyou Greenhorn Creek; Siskiyou Mountains, Greenhorn Creek 1005 Comment
  HSC91122  Veronica serpyllifolia subsp. humifusa Jennifer Whipple 1977-8-6 2231 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC19337  Veronica wormskjoldii J. O. Sawyer 1969-7-9 1225 Siskiyou Along trail to Sugar Lake. 1768 Comment
  HSC76879  Vicia americana var. americana K. T. Stillman 1976-6-26 140 Siskiyou Marble Mountain Wilderness Area, Kings Castle. 2134 Comment
  JEPS75369  Vicia americana var. american