Search Results — 2000 specimen records retrieved (1389 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC1001950  Abies Mrs. B. M. Berry 1954-10-7 3 Siskiyou in creek bed just below Sugar Creek Bridge (High Road between French Creek and Scott River, near Callahan); Salmon Mountains 1828 Comment
  JEPS83903  Abies amabilis Stephen K. Langer with Charles S. Rand 1988-6-21 Siskiyou e of Slaughter House Flat (n slope of Black Mt.); Black Mt. 1524 Comment
  HSC67698  Abies concolor John Palmer 1980-7-24 582 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC68390  Abies concolor Maralyn A. Renner 1980-6-26 1250 Siskiyou SE edge of Flint Valley. 1390 Comment
  RSA386076  Acer circinatum E. E. Stanford 1930-6-15 1581 Siskiyou 1 mile north of Dunsmuir. Comment
  UC580674  Acer circinatum R. Bacigalupi Sep 1934 2328 Siskiyou 5 mi sw Cayton P.O.; Shasta National Forest, Bartle Quad. Comment
  SEINET10494122  Acer circinatum LeRoy E. Detling 1947-6-4 Detling 6123 Siskiyou Slater butte, klamath nat'l. Forest; sec. 14 T17n r7e; vegetation type: douglas Fir, oak forest; (humboldt mer.) Assoc. Veg: pseudotsuga taxifolia, quercus Kelloggii, q. Chrysolepis, arbutus mensiesii; pysiography: mountian slope; Rocky clay loam; mod. Dry; partial shade; fairly common; n.w.exposure 853 Comment
  HSC60847  Acer glabrum var. torreyi Ruby Van Deventer 1962-8-15 Siskiyou Above Bell Echo Camp in Youngs Valley 1220 Comment
  HSC27951  Acer macrophyllum Carl W. Mize 1972-9-23 114 Siskiyou 0.5 mi. from end of Steinacher Creek Rd. 884 Comment
  RSA240066  Acer macrophyllum Frederick W. Oettinger 1969-8-25 1553 Siskiyou Little North Fork stream crossing along new trail that goes from the end of the logging road to the Devils Canyon Trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1220 Comment
  UCSB12088  Acer macrophyllum Breedlove, Dennis 1962-6-10 Siskiyou Indian Creek along Indian Creek Road, 10.5 miles northwest of Happy Camp; Siskiyou Mountains 518 Comment
  CDA35547  Acer negundo subsp. californicum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2621 Siskiyou 200 meters north of Hamilton Street on Highway 3, north edge of Fort Jones. Comment
  SEINET7892714  Acer negundo subsp. californicum G. D. Butler 1910-6-30 1617 Siskiyou Yreka Creek Comment
  CAS-BOT-BC18869  Achillea millefolium William Bridge Cooke 1939-8-10 13873 Siskiyou Mount Shasta, on upper flats along the Mud Creek Canyon on its west side. 2895 Comment
  HSC22299  Achillea millefolium J. O. Sawyer 1969-7-23 1170 Siskiyou Near Horse Range Creek. 1341 Comment
  HSC58874  Achillea millefolium Marvin Butler 1971-7-19 155 Siskiyou Near Mary's Meadow, close to the town of Cave Junction 1220 Comment
  HSC96834  Achillea millefolium S. Lyon, J. McIntire 2006-6-25 21 Siskiyou On FS 39N35, .25 mi. SE of intersection with Road 39N27 1341 Comment
  RSA238785  Achillea millefolium Frederick W. Oettinger 1968-8-5 400 Siskiyou Ridges above English Lake Basin, Shasta Ridge'. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  SJSU6068  Achlys triphylla subsp. triphylla R. W. Trivelpiece 1971-6-8 12 Siskiyou c. 2.5 mi S of Cecilville near Cecil Point Lookout, Salmon River Mts 1219 Comment
  UCD50460  Achnatherum lemmonii A. A. Beetle; with G. L. Stebbins Jr. 1942-5-31 3412 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  UCD50715  Achnatherum lemmonii A. H. Murphy 1953-7-30 KNF 18 Siskiyou Siskyou - Trinity County: Coffee Creek, N. Fork. 1828 Comment
  POM115235  Achnatherum lemmonii var. lemmonii Geo D. Butler 1909-6-4 810 Siskiyou Dry land near Yreka Comment
  RSA577538  Achnatherum lemmonii var. lemmonii L. C. Wheeler 1935-5-11 3480 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  JEPS25601  Achnatherum nelsonii subsp. nelsonii Rimo Bacigalupi 1959-7-2 7234 Siskiyou Big Flat Campground Caribou Mtn., Salmon River, Coffee Creek (headwaters of S Fork Salmon River; just s of Trinity County boundary) 1508 Comment
  UCD50821  Achnatherum nevadense Leo Whitney Date Unknown 3471 Siskiyou Bullseye Lake, 2 miles southeast of Medicine Lake. Comment
  CAS-BOT-BC216924  Achnatherum occidentale Alice Eastwood 1921-7-28 10931 Siskiyou Medicine Lake Comment
  UCD50944  Achnatherum occidentale A. H. Murphy 1955-7-29 55 Q Siskiyou Klamath National Forest, Marble Mountains, Clear Lake. 1798 Comment
  CAS-BOT-BC210863  Achnatherum occidentale subsp. californicum Alice Eastwood 1912-7-15 1131 Siskiyou McCloud Comment
  SBBG25949  Aconitum columbianum D. Myrick 1966-8-10 1521 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  UC454475  Aconitum columbianum I. J. Condit 1911-7-31 Siskiyou Shasta Springs Comment
  CAS-BOT-BC391519  Aconitum columbianum subsp. columbianum Alice Eastwood 1912-8-30 1952 Siskiyou Mount Eddy Comment
  CAS-BOT-BC391531  Aconitum columbianum subsp. columbianum W. R. Dudley 1905-8-4 s.n. Siskiyou Foot of Mt. Eddy Comment
  CAS-BOT-BC391533  Aconitum columbianum subsp. columbianum A. A. Heller 1927-8-1 14433 Siskiyou At the State Teachers College, near Shasta City (Sisson) 1074 Comment
  HSC61887  Aconitum columbianum subsp. columbianum Ruby Van Deventer 9 Aug [year missing] Siskiyou Poker Flat 1585 Comment
  SEINET5337490  Aconitum columbianum subsp. columbianum E. McClintock, W. Roderick 1967-7-28 s.n. Siskiyou Gumboat Lake, SW Mt Eddy. 1829 Comment
  CAS-BOT-BC412908  Aconogonon davisiae Ira L. Wiggins 1955-7-27 13540 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC412914  Aconogonon davisiae John Thomas Howell 1939-8-2 14897 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC54722  Aconogonon davisiae Overton, Butler 1979-7-26 10116 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  CAS-BOT-BC418817  Aconogonon phytolaccifolium Doris K. Kildale 1928-8-20 6604 Siskiyou Lily Pad Lake near Hancock Lookout on trail to Marble Mt. 2133 Comment
  UCD98810  Aconogonon phytolaccifolium J. M. Tucker 1974-7-28 4321 Siskiyou Siskiyou Co.; Marble Mountain Wilderness Area, Haypress Meadows. 1463 Comment
  HSC24101  Aconogonon phytolaccifolium J. O. Sawyer 1971-7-15 2428 Siskiyou Along Red Rock Valley Creek 1585 Comment
  CAS-BOT-BC391699  Actaea rubra K. T. Stillman 1976-6-25 84 A Siskiyou Marble Mountain Wilderness Area. On N side of Elk Valley 1798 Comment
  HSC69392  Adenocaulon bicolor Maralyn A. Renner 1980-8-31 2641 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  HSC27637  Adenocaulon bicolor Carl W. Mize 1972-6-21 80 Siskiyou 305 Comment
  OBI55435  Adenocaulon bicolor David J. Keil 1992-7-20 23494 Siskiyou Klamath Natl forest, W of Fort Jones. Along forest Rd 44N45, 3.9 mi S of Scott River Rd Comment
  HSC27790  Adiantum aleuticum J. P. Smith, J. O. Sawyer 1972-9-13 5786 Siskiyou 2 mi. W of Cook and Green Pass on the road to Lily Pad Lake 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
  UC896508  Ageratina occidentalis John Thomas Howell 1939-8-2 14893 Siskiyou Spirit Lake Marble Mts., Spirit Lake Comment
  CAS-BOT-BC29448  Ageratina occidentalis Louis C. Wheeler 1934-8-9 3070 Siskiyou Dead Cow Creek, Klamath National Forest 1981 Comment
  CAS-BOT-BC15486  Agoseris X dasycarpa George Dexter Butler 1910-6-19 1589 Siskiyou Goosenest Foothills 1524 Comment
  UC75991  Agoseris aurantiaca var. aurantiaca Milo S. Baker 1897-8-1 144 Siskiyou Payne's Springs Payne's Springs Comment
  CAS-BOT-BC15384  Agoseris grandiflora var. grandiflora G. P. Rixford not specified s.n. Siskiyou South side of Shaft-rock Mountain, Hilt Comment
  CAS-BOT-BC15391  Agoseris grandiflora var. grandiflora George Dexter Butler 1910-5-19 1367 Siskiyou Near Yreka Comment
  OBI53728  Agoseris grandiflora var. leptophylla David J. Keil 1992-7-20 23469 Siskiyou W side of Scott Valley, 4.9 mi N of Etna along Calif Rte 3 875 Comment
  UC1408799  Agoseris monticola Robert F. Thorne and Fred Oettinger 1969-8-10 38992 Siskiyou s slope, at base of boulders on slopes above ski-lodge Mt. Shasta; Mt. Shasta National Forest 2377 Comment
  HSC26916  Agrostis exarata J. P. Smith, J. O. Sawyer 1971-9-17 4779 Siskiyou Little Duck Lake Comment
  UC161517  Agrostis exarata J. M. Tucker 1963-8-19 3782 Siskiyou headwaters Canyon Creek; Marble Mountain Wilderness Area 1950 Comment
  UCD52414  Agrostis exarata A. A. Heller 1915-7-18 12114 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1249 Comment
  SEINET7593589 Image available Agrostis exarata E. B. Copeland 1903-1 3903 Siskiyou Foot of Mt. Eddy 1219 Comment
  HSC39672  Agrostis gigantea J. P. Smith, J. O. Sawyer 1971-9-18 4830 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  LA206324  Agrostis humilis J. R. Swallen; 1939-8-8 13815 Siskiyou Mount Shasta, around the water supply spring above Horse Camp Comment
  RSA238359  Agrostis humilis Frederick W. Oettinger 1969-8-19 1457 Siskiyou Abbott's Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  CAS-BOT-BC138928  Agrostis pallens John Thomas Howell 1939-8-9 15210 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  UCD53212  Agrostis pallens R. Tofsrud 1951-7-18 s.n. Siskiyou Marble Mts. 1981 Comment
  HSC101547  Agrostis scabra J. P. Smith 2009-8-22 12658 Siskiyou Along the road to Bray. 1422 Comment
  HSC34146  Agrostis scabra J. O. Sawyer 1969-8-18 1989 Siskiyou S Sugar Lake Creek 1829 Comment
  CAS-BOT-BC138647  Agrostis stolonifera Alice Eastwood 1921-7-31 s.n. Siskiyou Shasta Springs. Comment
  RSA211225  Agrostis stolonifera William J. Ferlatte 1967-8-17 952 Siskiyou Trinity Alps; Yellow Rose Mine. 1982 Comment
  SEINET3917201  Agrostis stolonifera J. P. Smith, Steve Selva 1970-8-8 4554 Siskiyou Juanita Lake.; 0 Comment
  UCD53731  Agrostis variabilis L. D. Whitney 1935-7-15 s.n. Siskiyou Bulls-eye. Comment
  SEINET10790426  Agrostis variabilis A. Arthur Heller 1922-7-15 Heller 13697 Siskiyou Damp ground, margin of the small lake at Medicine Lake. Canadian. 2134 Comment
  CAS-BOT-BC462378  Allium amplectens Roxana Ferris; Laura Lorraine 1948-6-12 11720 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], e. fork of Scott River Comment
  CHSC31012  Allium anceps M. S. Taylor; J. Prouty 1980-6-25 2965 Siskiyou Grizzly Peak and ridge w of peak, ca. 5 mi due e of Lake McCloud. 1889 Comment
  CAS-BOT-BC461069  Allium anceps M. S. Taylor; J. Prouty 1980-6-25 2965 Siskiyou Grizzly Peak and ridge west of peak, 5 miles due east of Lake McCloud, Big Bend Quad., 1889 Comment
  SBBG835  Allium campanulatum H. and M. Dearing 1939-6-3 3529 Siskiyou Klamath Public Camp, Scott River Comment
  RSA237878  Allium campanulatum Frederick W. Oettinger 1969-7-28 1089 Siskiyou North of Tom s Lower pond. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1982 Comment
  UC593521  Allium falcifolium E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1913 Siskiyou about 7 mi sw Yreka (s of highway from Yreka to Fort Jones); Forest House Mt. 1363 Comment
  CAS-BOT-BC469236  Allium falcifolium H. C. Cantelow 1936-5-21 s.n. Siskiyou North slope of Scott Mountain 1219 Comment
  HSC77113  Allium falcifolium K. T. Stillman 1976-6-25 72 Siskiyou Above Elk Valley 1982 Comment
  CAS-BOT-BC132146  Allium siskiyouense Harley P. Chandler 1901-6-1 1647 Siskiyou Marble Mountain 2438 Comment
  RSA184802  Allium siskiyouense Gilbert Muth 1966-7-14 390 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mountains. 1829 Comment
  HSC39473  Allium validum J. P. Smith, Steve Selva 1970-7-27 Siskiyou Gumboot Lake 1768 Comment
Read comments
Apr 23 2015
  JEPS61510  Allium validum George D. Butler 1908-8-3 109 Siskiyou near Log Lake; Shackleford Creek 1524 Comment
  POM170268  Allium validum Geo D. Butler 1910-6-19 1577 Siskiyou Goosenest Foothills. 1524 Comment
  CAS-BOT-BC453447  Allotropa virgata Wm. Bridge Cooke 1939-7-21 13737 Siskiyou Mount Shasta: Along the Wagon Camp-Horse Camp Trail 2133 Comment
  POM106426  Alnus incana subsp. tenuifolia Edward Palmer 1892-7-27 2559 Siskiyou Mount Shasta and vicinity. Comment
  SEINET231470  Alnus incana subsp. tenuifolia E. P. Boyle 1946-8-9 45 Siskiyou W Carson Sorensen's 2134 Comment
  CAS-BOT-BC169642  Alnus rhombifolia Geo. B. Grant 1902-9-15 s.n. Siskiyou Shasta Springs Comment
  UC164073  Alnus rhombifolia Geo. D. Butler 1909-3-26 563 Siskiyou mining dump near Oro Fino Comment
  RSA452809  Alnus rhombifolia M. B. Dunkle 9178 Siskiyou Siskiyou National Forest. Comment
  CAS-BOT-BC169385  Alnus viridis subsp. sinuata R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 159 Siskiyou On both sides of Kidd Creek Comment
  HSC4969  Alnus viridis subsp. sinuata J. O. Sawyer 1968-6-18 234 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  HSC96879  Alnus viridis subsp. sinuata Gordon Leppig 1998-7-10 917 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 671 Comment
  UC1333330  Alnus viridis subsp. sinuata Dorothy Parker 1949-8-12 366 Siskiyou Duck Lake Creek Siskiyou Mountains, Salmon Mountain 1524 Comment
  UC207706  Alopecurus aequalis Geo. D. Butler 1910-10-13 1837 1/2 Siskiyou Oro Fino Creek Comment
  JEPS93923  Alyssum alyssoides Vernon H. Oswald and Lowell Ahart 1998-8-3 9403 Siskiyou Gazelle-Callahan Road 11.5 mi w of Gazelle; Gazelle-Callahan Road 1524 Comment
  HSC68495  Alyssum alyssoides Maralyn A. Renner 1980-6-10 870 Siskiyou Ridge 1 mi. S of Greenhorn Rd. and 1 mi. E of Mill Creek. 1341 Comment
  JEPS100295  Ambrosia artemisiifolia Dean W. Taylor 2001-8-27 17903 Siskiyou Mt. Shasta; in Weed, along shoulder of old highway to Yreka on far western end of town 1036 Comment
  HSC36661  Amelanchier alnifolia var. semiintegrifolia Brent Whitely 1975-7-5 143 Siskiyou 213 Comment
  HSC29350  Amelanchier pallida Frederick W. Oettinger 1969-7-18 1057 Siskiyou Marble Mtn. Wilderness Area, SW of Upper English Lake 1951 Comment
  HSC65271  Amelanchier pallida Rich White 1978-7-6 247 Siskiyou Pond above Elk Hole 1524 Comment
  JEPS126015  Amelanchier pallida C. S. Campbell, M. Lorusso 2011-5-20 11 -353 Siskiyou Pat Trinca's property, east side of Hilt Valley Comment
  CAS-BOT-BC136897  Amelanchier utahensis L. E. Smith 1913-7-27 s.n. Siskiyou McCloud Comment
  CAS-BOT-BC136902  Amelanchier utahensis Alice Eastwood 1921-7-24 10730 Siskiyou Castle Lake Comment
  JEPS94380 Image available Amelanchier utahensis Vernon Oswald and Lowell Ahart 1997-7-28 8793 Siskiyou se of Medicine Lake (at Paynes Springs, on walls of Paynes Creek Canyon n of the campground); Paynes Springs, Paynes Creek Canyon 1981 Comment
  UC1584291  Anaphalis margaritacea Julie Kierstead 1990-8-23 90 -144 Siskiyou Cold Creek; Mt. Shasta, McCloud R. D. 1584 Comment
  UC891433  Anaphalis margaritacea A. A. Heller 1915-8-26 12247 Siskiyou at, foot of Mt. Eddy Wagon Creek; Mt. Eddy Comment
  CAS-BOT-BC45217  Anaphalis margaritacea Louis C. Wheeler 1934-8-14 3120 Siskiyou 1 mile west of White Mountain, Siskiyou Mountains 1920 Comment
  JEPS20406  Androsace elongata subsp. acuta Louis C. Wheeler 1935-4-18 3432 Siskiyou Greenhorn Creek Siskiyou Mountains, Greenhorn Creek 944 Comment
  CAS-BOT-BC391855  Anemone drummondii A. A. Heller 1915-7-15 12082 Siskiyou Mt. Eddy 2072 Comment
  UC375345  Anemone drummondii Geo. D. Butler 1908-8-5 45 Siskiyou summit above Cold Spring (Woolly Creek); Woolly Creek Comment
  UC853531  Anemone drummondii A. A. Heller 1915-7-15 12082 Siskiyou Mt. Eddy 2072 Comment
  JEPS60521  Anemone multifida Geo. D. Butler 1908-8-5 45 Siskiyou summit above Cold Spring 1828 Comment
  CAS-BOT-BC391968  Anemone occidentalis Geo. D. Butler 1910-7-10 1736 Siskiyou Upper Campbell Lake 1676 Comment
  HSC28741  Anemone occidentalis Frederick W. Oettinger 1968-8-4 389 Siskiyou Marble Mtn. Wilderness Area, along trail N of Crapo Peak Ridge 2195 Comment
  HSC71966  Angelica tomentosa J. M. DiTomaso 1980-8-20 1891 Siskiyou Trail at Caribou Lake in Salmon-Trinity Alps Wilderness Area 1951 Comment
  UCD127192  Angelica tomentosa J. M. Tucker; L. K. Mann 1963-7-4 3697 Siskiyou vicinity of U.S. Forest Service Public Camp, just east of Finley Camp, road from Etna to Sawyer's Bar. Comment
  POM82548  Angelica tomentosa var. tomentosa Geo. D. Butler 1908-8-5 465 Siskiyou Marker Mtn. 2134 Comment
Read comments
Nov 25 2011
  JEPS33962  Antennaria argentea Duncan Dunning 1922-6-5 Siskiyou Fort Jones; Moffett Creek Comment
  RSA120795  Antennaria argentea S. S. Tillett 1956-7-11 700 Siskiyou just N of campground, Scott Mtn divide, Siskiyou - Trinity County line, 8 mile SE of Callahan. 1631 Comment
  HSC92375  Antennaria media Jennifer Whipple 1976-7-23 1515 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2317 Comment
  RSA238723  Antennaria media Frederick W. Oettinger 1969-9-2 1598 Siskiyou The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Moist, rocky sedge meadow of late snow hold area on the N side of English Peak. Comment
  CAS-BOT-BC79901  Antennaria microphylla Hans Leschke 1960-8-10 1761 Siskiyou Badger Flat 1912 Comment
  UCD129024  Antennaria racemosa Dean William Taylor 1972-7-3 s.n. Siskiyou at Cook and Green Pass. 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
  UC75910  Antennaria rosea Milo S. Baker 1892-8-1 156 Siskiyou Medicine Lake Comment
  CAS-BOT-BC428042  Antennaria rosea subsp. rosea Julie Kierstead Nelson; Jordan Rainbow 2014-5-21 2014 -017 Siskiyou Forest Road 42N84 off Highway 97, north side of Mt. Shasta. 1088 Comment
  HSC21987  Antennaria rosea subsp. rosea J. O. Sawyer 1969-6-10 800 Siskiyou S face near Sugar Lake 1829 Comment
  CAS-BOT-BC102226  Anthemis cotula Alice Eastwood 1912-7-22 1309 Siskiyou Sisson Comment
  JEPS104842  Antirrhinum cornutum Dean W. Taylor 1996-6-26 15762 Siskiyou Iron Gate Reservoir; drainage of Brush Creek; Klamath National Forest 670 Comment
  JEPS23768  Antirrhinum vexillocalyculatum subsp. breweri Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6821 Siskiyou 7 mi e Callahan 1127 Comment
  CHSC91247  Apera interrupta Lowell Ahart; John Dittes 2005-6-9 12053 Siskiyou Meadow area along a small drainage, along the sides of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  JEPS49804  Apocynum androsaemifolium Geo. D. Butler 1908-7-5 75 Siskiyou Butler's Ranch near Yreka Comment
  UC105499  Apocynum androsaemifolium Brandegee July 1887 Siskiyou Sissons Comment
  UC157679  Apocynum androsaemifolium Milo S. Baker 563 Siskiyou Sisson Comment
  HSC153  Apocynum androsaemifolium William J. Ferlatte 1966-8-3 253 Siskiyou Mtn. Meadow Ranch 1524 Comment
  HSC307  Apocynum androsaemifolium William J. Ferlatte 1966-8-16 374 Siskiyou Big Flat, wooded area near public camp. 1524 Comment
  JEPS55089  Aquilegia formosa Geo. D. Butler 1909-6-23 902 Siskiyou Goosenest Mountain Comment
  CDA24646  Arabis breweri Don Shaw 1977-4-19 Siskiyou Old Highway 99 North, Yreka. 0 Comment
  RSA0125738  Arabis breweri Frederick W. Oettinger 1969-7-15 1024 Siskiyou Between Diamond Lake and Upper English Lake. Salmon Mts.; High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  RSA0125744  Arabis breweri Lincoln Constance, Reed C. Rollins 1942-5-14 2930 Siskiyou Shasta River 6 miles N of Yreka. 762 Comment
  UC705860  Arabis glabra Marion Ownbey and Fred G. Meyer 1940-7-7 2207 Siskiyou sw of Yreka (along Soap Ridge Road) Comment
  HSC90275  Arabis modesta D. L. Goforth 1980-6-26 639 Siskiyou Salmon River at Grant Bluff 290 Comment
  RSA0128992  Arabis modesta Lincoln Constance, Reed C. Rollins 1942-5-13 2915 Siskiyou Scott River 10 miles southwest of Scott Bar. 610 Comment
  RSA60657  Arabis puberula I. L. Wiggins 1950-5-28 12376 Siskiyou Just above Grouse Lake, headwaters of Grouse Lake 1829 Comment
  UCR37603  Arabis subpinnatifida K. Faber, Scott LaChance, Mike Rekart 1984-5-26 51 Siskiyou 0.7 mi. from Scott Mtn. 1672 Comment
  HSC44491  Arabis subpinnatifida K. Irwin 1977-5-21 378 Siskiyou Hayden, 1 mi. W of Scott Mtn., E of Rd. 40N08 Comment
  CAS-BOT-BC171698  Aralia californica J. H. Thomas; H. A. Thomas 1954-7-22 4441 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville, between Rush and Big Bend Creeks, .25 - .5 miles N of S Fork of Salmon river. Along banks of Big Bend Creek. 975 Comment
  CDA40892  Aralia californica G. F. Hrusa 1998-7-5 14692 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy., at mile 5.x. Sheet 2 of 2 Comment
  CAS-BOT-BC171027  Aralia californica Doris K. Kildale 1925-9-6 1299 Siskiyou Rodger Creek bridge, Klamath River Comment
  RSA126341  Aralia californica I. L. Wiggins 1955-7-22 s.n. Siskiyou South Fork of Salmon River, 9.5 miles above Cecilville. 1067 Comment
  SEINET2471228  Arceuthobium abietinum R. L. Mathiasen 2008-9-16 2008 -30 Siskiyou Ca. 4.8 km E. of Etna Summit on road to Sawyers Bar 1630 Comment
  SEINET2471283  Arceuthobium abietinum R. L. Mathiasen 2007-8-14 2007 -36 Siskiyou At jct. of Greyback Rd. and rd. to Kelly Lake 1345 Comment
  UC1034066  Arceuthobium americanum WBC 1941-6-12 16034 Siskiyou Military Pass on ne side of mtn Mt. Shasta 1828 Comment
  CHSC97992  Arceuthobium campylopodum R. L. Mathiasen 2005-3-12 532 Siskiyou 0.8 km north of Highway 89 on forest road 88 (road to Mt. Shasta Ski Park). Shasta-Trinity National Forest. Comment
  UC705583  Arceuthobium campylopodum Marion Ownbey, Fred G. Meyer 1940-7-6 2212 Siskiyou summit of Cayenne Ridge near Marble Mtn Comment
  UC1409473  Arceuthobium campylopodum Frederick W. Oettinger 1969-8-22 1509 Siskiyou just w of outlet Horse Range Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 1821 Comment
  SEINET2139856  Arceuthobium cyanocarpum R. L. Mathiasen 2007-1 2007 -34 Siskiyou 2 km NE of Park Creek trail head on forest road 17 1980 Comment
  SEINET2471281  Arceuthobium cyanocarpum R. L. Mathiasen 2007-8-9 2007 -34 Siskiyou 2 km NE of Park Creek trail head on forest road 17 1980 Comment
  SEINET2139750  Arceuthobium monticola R. L. Mathiasen 2008-1 2008 -24 Siskiyou Black Butte (south of Takilma, OR) 1450 Comment
  CAS-BOT-BC102218  Arctium minus Lewis S. Rose 1945-6-18 45052 Siskiyou Horse Creek & Klamath River 502 Comment
  RSA0044721  Arctium minus L. C. Wheeler 1934-9-17 3276 Siskiyou Siskiyou Mts: Dutch Creek off Klamath River. 701 Comment
  CAS-BOT-BC39983  Arctostaphylos nevadensis Wayne Roderick; Martha Roderick 1979-7-11 s.n. Siskiyou Mumbo Basin 1737 Comment
  CAS-BOT-BC40020  Arctostaphylos nevadensis Doris K. Kildale 1929-8-25 9094 Siskiyou Wiskey Lake on trail to Preston Peak 1524 Comment
  CAS-BOT-BC45441  Arctostaphylos nevadensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11801 Siskiyou At Mile Creek crossing on Scott Mt. Rd. s. of Callahan. 1493 Comment
  UC21854  Arctostaphylos nevadensis Milo S. Baker 1893-8-6 Siskiyou Medicine Lakes 1828 Comment
  UC456164  Arctostaphylos nevadensis I. J. Condit 1911-7-22 Siskiyou Shasta trail below Horse Camp 2286 Comment
  RSA96937  Arctostaphylos nevadensis P. C. Everett, E. K. Balls, George B. Everett 1954-10-11 20268 Siskiyou Road from Castle Lake to town of Mt. Shasta, about 2 mi. n. from Castle Lake Forest Service camp. 1280 Comment
  SEINET11989660  Arctostaphylos nevadensis A. Seneres, Harold, N.; Edwards, S. W. 1982-1 s.n. Siskiyou SW grassy spur of Deadwood Peak Comment
  CAS-BOT-BC46466  Arctostaphylos patula L. E. Smith 1913-4-10 69 Siskiyou Near Sisson. Comment
  HSC30332  Arctostaphylos patula Dale R. Gradek 1974-5-27 88 Siskiyou 4 mi. SW of Chandler Glade on FS Rd. 47N03 1524 Comment
  HSC4925  Arctostaphylos patula J. O. Sawyer 1968-6-18 221 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  HSC67779  Arctostaphylos patula J. O. Sawyer, J. Cole 1980-7-21 3864 Siskiyou N of FS Rd. 44N01 near intersection with road to Lava Camp. 1677 Comment
  HSC69554  Arctostaphylos patula Maralyn A. Renner 1980-6-26 1292 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  JEPS38800  Arctostaphylos patula Willis L. Jepson July 24 1894-August 10, 1894 14719 Siskiyou near Sisson; Region of the Upper Sacramento, Upton Comment
  JEPS38835  Arctostaphylos patula W. L. Jepson 1914-8-9 5743 Siskiyou McCloud 1036 Comment
  JEPS38836  Arctostaphylos patula Geo. D. Butler 1909-5-30 586 Siskiyou Yreka Hills Comment
  JEPS42625  Arctostaphylos patula Geo. D. Butler 1909-4-11 640 Siskiyou Shasta Retreat Comment
  POM367404  Arctostaphylos patula B. C. Templeton 1957-6-21 s.n. Siskiyou On the road up to Mt. Shasta. Comment
  RSA47603  Arctostaphylos patula Roxana S. Ferris, Laura Lorriane, R. T. Ferris 1948-6-12 11825 Siskiyou One mile below summit of Gazelle Mountain, Gazelle-Callahan grade, west side. 1220 Comment
  UC410485  Arctostaphylos patula Mrs. Eric Anderson 1923-4-19 Siskiyou Shasta Spring Comment
  SEINET11977820  Arctostaphylos patula H. P. Chandler 1901-1 1600 Siskiyou near Marble Mountain, North Coast Ranges 2286 Comment
  SEINET11988211  Arctostaphylos patula W. Roderick, Sigg, J. 1981-1 s.n. Siskiyou W of town of Gazelle near Gazelle summit 914 Comment
  HSC35841  Arctostaphylos viscida J. O. Sawyer 1969-8-17 2033 Siskiyou SW facing slope near C.C.C. road 1341 Comment
  RSA423693  Arenaria congesta M. B. Dunkle 1945-7-22 9238 Siskiyou Marble Mts., Klamath National Forest. Comment
  SEINET11942770  Arenaria congesta F. W. Hoffman 1950-1 3625 Siskiyou Baldy Mountain, western Comment
  SD88372  Arenaria nuttallii subsp. gregaria Darley F. Howe 1972-7-4 Siskiyou Stony hilltop south of Del Norte; Siskiyou County marker on road to Youngs Valley. 1740 Comment
  JEPS104785  Arenaria serpyllifolia subsp. serpyllifolia Dean W. Taylor 1996-5-30 15644 Siskiyou base of Sentinel Rocks, Iron Gate Reservoir (about 20 miles east of Yreka); Klamath National Forest 1036 Comment
  CAS-BOT-BC384754  Arenaria serpyllifolia var. serpyllifolia Alice Eastwood 1923-5-29 s.n. Siskiyou Cantara Comment
  HSC45209  Arnica cernua J. O. Sawyer, E. Cope 1977-6-20 2966 Siskiyou Behind Devil's Punchbowl 1829 Comment
  JEPS22842  Arnica chamissonis A. A. Heller 1938-7-13 15270 Siskiyou 1 mi s Bray 1402 Comment
  CAS-BOT-BC82368  Arnica cordifolia L. E. Smith 1915-4-25 s.n. Siskiyou Sisson Comment
  RSA50233  Arnica cordifolia E. K. Balls 1949-7-9 13942 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. 1006 Comment
  SEINET11837690  Arnica cordifolia H. P. Chandler 1901-1 1615 Siskiyou near Marble Mountain 2134 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-BC82550  Arnica discoidea Alice Eastwood 1912-7-23 1338 Siskiyou Cantara Comment
  SBBG7587  Arnica discoidea H. and M. Dearing 1939-6-19 3684 Siskiyou high up French Crk Comment
  UC1041024  Arnica discoidea J. W. Congdon 1900-8-16 Siskiyou Castle Lake Road Comment
  SEINET3085712 Image available Arnica foliosa A. A. Heller 1938-7-13 15270 Siskiyou Meadows south of Bray Comment
  CAS-BOT-BC82669  Arnica latifolia John Thomas Howell 1939-8-2 14910 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC22143  Arnica latifolia J. O. Sawyer 1969-7-18 1367 Siskiyou E of Waterdog Lake 2012 Comment
  HSC22157  Arnica latifolia J. O. Sawyer 1969-7-11 1311 Siskiyou E facing slope above S Sugar Creek. 2012 Comment
  UC1483461  Arnica latifolia Maralyn A. Renner 1980-7-14 1719 Siskiyou Etna Creek (headwaters) Etna Quad., Etna Creek 1706 Comment
  UC468980  Arnica latifolia Annie M. Alexander and Louise Kellogg 1911-6-24 183 Siskiyou Jackson L. 1798 Comment
  UCD13280  Arnica latifolia K. F. Mawdsley 1996-7-9 13 a Siskiyou Russian Wilderness in Klamath NF. 1981 Comment
  UCD77355  Arnica longifolia Robert E. Preston 2001-8-26 1759 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, 1877 Comment
  HSC22152  Arnica mollis J. O. Sawyer 1969-8-18 1984 Siskiyou Above South Sugar Creek 2134 Comment
  HSC62124  Arnica viscosa Al Hobart 1960-9-20 Siskiyou Preston Peak Comment
  CAS-BOT-BC90474  Artemisia douglasiana A. A. Heller 1914-8-25 11710 Siskiyou Along the railroad embankment near Deetz Station opposite Black Butte 1158 Comment
  CAS-BOT-BC90480  Artemisia douglasiana Alice Eastwood 1917-9-2 6671 Siskiyou Shasta Springs Comment
  JEPS94848  Artemisia tridentata subsp. tridentata Vernon H. Oswald and Lowell Ahart 1998-9-16 9629 Siskiyou near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 (ca 5 mi n of Macdoel); Butte Valley National Grassland 1295 Comment
  HSC68403  Aruncus dioicus var. acuminatus Maralyn A. Renner 1980-7-4 1383 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  CAS-BOT-BC400591  Asarum caudatum A. A. Heller 1919-6-27 13276 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC400593  Asarum caudatum L. E. Smith 1914-5-5 650 Siskiyou Sisson Comment
  UC153505  Asarum hartwegii Milo S. Baker 98 Siskiyou Sisson Comment
  SEINET10455161  Asclepias cordifolia LeRoy E. Detling 1947-6-4 Detling 6118 Siskiyou Slater butte. Klamath national forest. Pseudosuga taxifolia - quercus chrysolepsis - q. Kelloggii - arbutus menziesii - acer macrophyllum - pinus lambertiana. Comment
  CHSC71848  Asclepias fascicularis Vernon H. Oswald; Lowell Ahart 1998-9-8 9601 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir. 1112 Comment
  CAS-BOT-BC69592  Aspidotis densa Geo. D. Butler 1908-8-4 239 Siskiyou Head of Shackleford Creek. Comment
  HSC92669  Aspidotis densa Jennifer Whipple 1978-10-6 2390 Siskiyou Mt. Eddy, N-facing slopes in the Eddy Creek Drainage 2317 Comment
  JEPS82682  Aspidotis densa Wayne Roderick 1984-6-7 Siskiyou sw of Stewart Springs (Cabin Meadow) 1935 Comment
  UCD137313  Aspidotis densa Dorothy Tebbe 1929-6-7 142 Siskiyou Mt. Eddy. Comment
  RSA259559  Aster ledophyllus J. P. Smith, J. O. Sawyer 1973-8-14 7318 Siskiyou Hillside west of Cliff Lake 1982 Comment
  CAS-BOT-BC178822  Astragalus californicus Geo. D. Butler 1909-5-8 593 Siskiyou Dry land near Yreka Comment
  CHSC91240  Astragalus filipes Lowell Ahart; John Dittes 2005-6-10 12092 Siskiyou Rocky hillside, 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. 776 Comment
  CAS-BOT-BC186920  Astragalus inversus John Thomas Howell 1934-7-4 12388 Siskiyou Se. corner of Siskiyou Co. Comment
  CAS-BOT-BC187305  Astragalus lentiginosus var. lentiginosus A. A. Heller 1905-6-19 8062 Siskiyou Near Grenada Station 822 Comment
  CAS-BOT-BC192917  Astragalus purshii var. lectulus Gilbert Muth 1966-7-22 438 Siskiyou Marble Rim, Marble Mts. 2194 Comment
  RSA184717  Astragalus purshii var. lectulus Gilbert Muth 1966-7-22 438 Siskiyou Marble Rim, Marble Mountains 2195 Comment
  JEPS54807  Astragalus purshii var. tinctus Geo. D. Butler 1909-5-3 708 Siskiyou Butcher Hill , Butcher Hill (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
  JEPS81879  Astragalus whitneyi Roger Raiche 1982-7-4 20531 Siskiyou Mt. Eddy Comment
  UC862793  Astragalus whitneyi Alice Eastwood 1912-8-30 2006 Siskiyou Mount Eddy Comment
  CAS-BOT-BC68750  Athyrium alpestre var. americanum Gilbert J. Muth 1969-8-7 1270 Siskiyou Boulder Peak Ridge 2468 Comment
  HSC67757  Athyrium distentifolium var. americanum John Palmer 1980-7-24 602 Siskiyou Elk Hole 1503 Comment
  HSC73331  Athyrium distentifolium var. americanum Gail Newton 1980-6-20 494 Siskiyou Near Bald Mtn. 1097 Comment
  POM197146  Athyrium filix-femina subsp. cyclosorum Geo D. Butler 1910-07 1675 Siskiyou Schackleford Creek 1220 Comment
  CAS-BOT-BC66194  Athyrium filix-femina var. cyclosorum Doris K. Kildale 1928-8-18 6422 Siskiyou North Fork Salmon River at Finley Camp Comment
  CAS-BOT-BC66202  Athyrium filix-femina var. cyclosorum H. E. Brown 1897-7-15 s.n. Siskiyou South side Mt. Shasta 3048 Comment
  HSC36729  Athyrium filix-femina var. cyclosorum Brent Whiteley 1975-7-1 112 Siskiyou 671 Comment
  UC725959  Atriplex rosea A. A. Heller 1925-7-25 13902 Siskiyou Shasta Valley near Gazelle; Shasta Valley near Gazelle Comment
  RSA210848  Atriplex truncata R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39039 Siskiyou 2 miles W of Lower Klamath National Wildlife Refuge 1296 Comment
  UC203922  Avena fatua Geo. D. Butler 1909-9-26 870 Siskiyou along creek near Yreka Comment
  HSC68220  Balsamorhiza deltoidea J. P. Smith 1973-5-5 6511 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC100050  Balsamorhiza hookeri Dorothy Parker 1951-5-20 515 Siskiyou on the summit of Scott Mountain 1624 Comment
  CAS-BOT-BC100056  Balsamorhiza lanata Geo. D. Butler 1910-4-9 1157 Siskiyou hill near Yreka Comment
  CAS-BOT-BC100104  Balsamorhiza sagittata Elmer I. Applegate 1935-6-8 9439 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  CAS-BOT-BC106445  Balsamorhiza sericea A. M. Vollmer; L. Beane 1951-5-31 30 Siskiyou On scree near highway, Scott Mountain Comment
  HSC70596  Balsamorhiza sericea J. O. Sawyer, R. J. Cole 1981-7-2 4156 Siskiyou Near Scott Mountain Campground 1585 Comment
  RSA181626  Balsamorhiza terebinthacea Dorothy Parker 1951-5-20 515 Siskiyou Near summit of Scott Mt. 1625 Comment
  RSA482826  Barbarea orthoceras Christopher Davidson 1975-6-5 2666 Siskiyou 0.8 mi. from gate on special service rd. branching SE of rd from Gazelle to Callahan, ca. 9.3 miles W of Gazelle. Klamath Nat. Forest. 1509 Comment
  CDA40531  Barbarea vulgaris Michael Pitcairn 2014-4-3 s.n. Siskiyou On private farm off Holzhauser Road, east of Etna. Comment
  HSC36745  Berberis aquifolium var. aquifolium Brent Whiteley 1975-6-28 99 Siskiyou 915 Comment
  UC718153  Berberis aquifolium var. aquifolium Carl B. Wolf 1934-7-5 5973 Siskiyou 7 mi from Oak Knoll Ranger Station (on Klamath River, on rd to Dry Lake Lookout); Siskiyou Mts 1371 Comment
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  UCSB24056  Berberis aquifolium var. aquifolium Favero, R. 1968-3-26 Siskiyou 1 mile southwest of Hilt, near old water tank, Siskiyou Mountains 853 Comment
  CAS-BOT-BC75719  Berberis nervosa H. A. Thomas; J. H. Thomas 1954-7-23 4477 Siskiyou Salmon-Trinity Mountains. About 6 miles southeast of Cecilville. Vicinity of Blind Horse Creek. 1036 Comment
  CAS-BOT-BC75929  Berberis piperiana Louis C. Wheeler 1934-6-15 2716 Siskiyou Hungry Creek. Siskiyou Mountains. 1280 Comment
  CAS-BOT-BC75930  Berberis piperiana Louis C. Wheeler 1934-6-15 2716 Siskiyou Hungry Creek. Siskiyou Mountains. 1280 Comment
  CAS-BOT-BC76006  Berberis pumila John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53389 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones. 1249 Comment
  CAS-BOT-BC169478  Betula occidentalis Wm. Bridge Cooke 1940-7-12 15328 Siskiyou A small grove grows in a swamp near the Mount Shasta High School, Mount Shasta 1097 Comment
  CAS-BOT-BC169492  Betula occidentalis Louis C. Wheeler 1934-6-27 2808 Siskiyou Cottonwood Cr., Klamath National Forest 792 Comment
  JEPS24810  Bidens cernua Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6819 Siskiyou 7 mi e Callahan 1127 Comment
  HSC27220  Bidens frondosa J. P. Smith, J. O. Sawyer 1971-9-18 4793 Siskiyou Hwy. 3, between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  HSC65505  Bistorta bistortoides Rich White 1978-7-3 222 Siskiyou Lake E of Sawtooth Trail, N of Dillon Trail 1502 Comment
  HSC81744  Bistorta bistortoides Thomas W. Nelson, Jane P. Nelson 1980-7-20 6186 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  UC135106  Blepharipappus scaber Dr. E. B. Copeland 1903-7-3 3524 Siskiyou Klamathon Comment
  HSC2224  Blepharipappus scaber L. C. Wheeler 1935-6-9 3553 Siskiyou Siskyou Mtns.; Yreka Creek 1220 Comment
  OBI55524  Blepharipappus scaber David J. Keil, Kathleen Keil 1992-7-21 23513 Siskiyou Klamath Natl forest SE of Callahan on hwy 3, 5.3 mi NW of Scott Mtn summit Comment
  POM31557  Blepharipappus scaber Geo. D. Butler 1909-4-14 590 Siskiyou Humbug Creek Comment
  POM351061  Blepharipappus scaber L. C. Wheeler 1935-6-9 3553 Siskiyou Yreka Creek, Siskiyou Mountains. 1220 Comment
  POM53772  Blepharipappus scaber E. B. Copeland 1903-7-3 3524 Siskiyou Klamathon. Comment
  UC1090387  Blepharipappus scaber Milo S. Baker 1957-6-16 13167 Siskiyou turn off near Callahan (Scott Mt.); Scott Mt. Comment
  CAS-BOT-BC16872  Boechera R. C. Wenk 2005-7-19 329 Siskiyou Along Pacific Crest Trail, near top of pass below Mount Eddy. 2438 Comment
  RSA0125480  Boechera Geo. D. Butler 1910-7-9 1719 Siskiyou Marble Mountain. 1829 Comment
  RSA0125962  Boechera E. K. Balls 1949-7-9 1394 Siskiyou 8.3 miles from Etna on road to Sawyer s Bar. 1006 Comment
  CAS-BOT-BC16019  Boechera breweri subsp. breweri Doris K. Kildale 1929-5-12 7810 Siskiyou Sawyers Bar. North Fork of Salmon River. 609 Comment
  CAS-BOT-BC16023  Boechera breweri subsp. breweri Lyman Benson 1929-3-27 1073 Siskiyou Slopes above Klamath River. Comment
  CAS-BOT-BC14065  Boechera lyallii Gilbert J. Muth 1969-8-6 1228 Siskiyou Boulder Peak Ridge. 2468 Comment
  CHSC71291  Boechera pinetorum Vernon H. Oswald; Lowell Ahart 1998-6-11 9179 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
  UC1190114  Boechera platysperma Ira L. Wiggins 1955-7-27 13534 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  JEPS53084  Boechera retrofracta Geo. D. Butler 1909-4-18 728 Siskiyou near Yreka Comment
  UC171182  Boschniakia strobilacea unknown 1892-1 Siskiyou Sissons. Comment
  HSC60120  Boschniakia strobilacea M. A. Baker 1978-5-20 584 Siskiyou 3 km N of Somes Bar Comment
  HSC101473  Boykinia major J. P. Smith, J. O. Sawyer 2011-7-21 13039 Siskiyou Near Dillon Camp 1358 Comment
  CAS-BOT-BC418455  Boykinia major Doris K. Kildale 1928-7-3 5458 Siskiyou 9 miles east of Forks of Salmon on North Fork Salmon River Comment
  HSC22855  Boykinia major J. O. Sawyer 1969-7-12 1359 Siskiyou Near Sugar Creek 1463 Comment
  CAS-BOT-BC418419  Boykinia occidentalis Doris K. Kildale 1929-7-20 8547 Siskiyou South Fork Indian Creek near Gilmore's 457 Comment
  RSA537373  Boykinia occidentalis W. Wisura, J. Romero 1991-10-18 4600 Siskiyou Salmon river, 5.7 mi E of Somes Bar, Shaded seapage area. Comment
  UC1034065  Brickellia grandiflora W. Bridge Cooke 1941-8-22 16209 Siskiyou above, in the Lava Park on the n side of Mt. Shasta Bolam Station; Mt. Shasta 1524 Comment
  SEINET5707333 Image available Brickellia greenei Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7693 Siskiyou Scott Mts. Collected along Road 17, 8.8 mi. SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1586 Comment
  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
  CAS-BOT-BC148798  Bromus carinatus var. marginatus John Thomas Howell 1939-8-2 14932 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  LA13775  Bromus hordeaceus Jason Swallen; 1939-6-23 13525 Siskiyou Mount Shasta, Along the road between Bear Springs and Wagon Camp 1676 Comment
  UCD58801  Bromus hordeaceus Geo. D. Butler 1910-5-4 1276 Siskiyou Near Yreka. Comment
  CDA15578  Bromus japonicus G. F. Hrusa 1998-7-5 14685 Siskiyou Siskiyou Mountains; S side of pass on Happy Camp-O'Brien Rd. Ca. side of State Boundary, above Indian Ck. Camp. Gravelly, +- compacted pullout along side rd. Dense colony, not seen elsewhere in local area. Annual. Comment
  RSA14320  Bromus marginatus Elmer I. Applegate 1923-8-20 3908 Siskiyou Medicine Lake 1982 Comment
  RSA239066  Bromus marginatus Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1154 Siskiyou above Sundew Bog; English lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC39663  Bromus orcuttianus J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5736 Siskiyou Parrott Mill Rd, 2 mi. S of Sugar Creek 1341 Comment
  HSC67810  Bromus orcuttianus J. O. Sawyer, J. Cole 1980-7-22 3958 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  UCD59243  Bromus orcuttianus Joseph P. Tracy 1950-7-18 19219 Siskiyou Prospect Hill, 3 miles (airline distance) NW from mouth of Salmon River. 1097 Comment
  SEINET10868044  Bromus orcuttianus A. Arthur Heller 1915-7-18 Heller s.n. Siskiyou Open places in the forest in moist soil, Metcalf's ranch, base of Mt. Eddy. Douglas fir has replaced Jeffrey pine. Comment
  HSC65333  Bromus suksdorfii J. P. Smith, J. O. Sawyer 1973-8-15 7327 Siskiyou N of Angel Lake 2012 Comment
  POM364041  Bromus suksdorfii M. B. Dunkle 1945-1 9326 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  JEPS73745  Bromus tectorum George D. Butler 1908-6-25 474 Siskiyou Butler's Ranch near Yreka Comment
  UC1024790  Bromus tectorum Leo Whitney 1934-6-29 2232 Siskiyou Tennant 1524 Comment
  UC1131290  Bromus tectorum H. A. Jensen 1933-7-29 335 Siskiyou near Metcalf 883 Comment
  HSC27035  Calamagrostis canadensis var. langsdorffii J. P. Smith, J. O. Sawyer 1972-9-14 5812 Siskiyou Edge of Little Duck Lake 2073 Comment
  HSC30597  Calamagrostis koelerioides Frederick W. Oettinger 1968-9-7 771 Siskiyou Marble Mtn. Wilderness Area, NW slope above Tobacco Lake 2012 Comment
  RSA239129  Calamagrostis koelerioides Frederick W. Oettinger 1968-9-7 772 Siskiyou On ridge above Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  HSC65688  Calamagrostis stricta subsp. stricta Donald W. Miles 1979-7-23 23 Siskiyou 8 mi. N of Pondosa CDF station, short road spur off of Short Grade Rd. 1012 Comment
  CHSC62797  Calliscirpus criniger L. P. Janeway 1993-8-30 4567 Siskiyou West side of Cedar Lake; head of South Fork Sacramento River. 1741 Comment
  CHSC118255  Callitriche palustris R. E. Brainerd; N. Otting 2013-7-12 2187 Siskiyou Klamath Mountains. Marble Mountains Wilderness Area. Upper Big Meadow, ca. 0.9 air mile northeast of Upper Wright Lake. UTM Zone 10 494918E 4604536N WGS84. 2167 Comment
  UC401353  Calocedrus decurrens Geo. D. Butler 1908-11-1 547 Siskiyou Quartz Valley Comment
  UCD166588  Calocedrus decurrens Dylan O. Burge 2016-8-28 2128 Siskiyou Little Crater Lake, N shore. 2337 Comment
  CAS-BOT-BC85736  Calocedrus decurrens Dr. E. B. Copeland 1903-8-13 3913 Siskiyou Sisson, on Big Spring Creek 1066 Comment
  SBBG15287  Calochortus coeruleus H. and M. Dearing 1939-7-1 3793 Siskiyou Salmon Mtn summit 1828 Comment
  UC422991  Calochortus coeruleus Milo S. Baker 1896-6-10 97 Siskiyou Sisson Comment
  UC705741  Calochortus elegans Marion Ownbey and D. H. Brown 1941-6-23 2429 Siskiyou mountains w Yreka (on ridge near Gunsight Peak) Comment
  UC705734  Calochortus macrocarpus Marion Ownbey, Fred G. Meyer 1940-7-5 2177 Siskiyou n slope Table Rock; Little Shasta River Comment
  CAS-BOT-BC493097  Calochortus nudus Frank Callahan 1994-8-15 s.n. Siskiyou SE of Bartle both side of Hwy 89 in open to nearly closed canopy meadows with Salix and Pinus contorta. 1493 Comment
  JEPS124744 Image available Calochortus nudus B. Corwin 1964-7-1 125 Siskiyou Rich soil on east side of rte 89, 12.2 miles south of Fowler Public Camp turnoff. Comment
  JEPS84229  Caltha biflora L. R. Heckard with J. Hickman 1986-7-16 6443 Siskiyou Lily Pad Lake, SE of Red Butte, ca 5 mi N of the town Seiad Valley. 1770 Comment
  LA203133  Calycadenia truncata Louis C. Wheeler; 1934-6-26 2787 Siskiyou Siskiyou Mountains, Camp Lowe, Klamath River 761 Comment
  CHSC99719  Calyptridium monospermum L. P. Janeway 2008-7-24 9481 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 2.1 air km northeast of Condrey Mountain. 2115 Comment
  UC7775  Calyptridium umbellatum W. H. Brewer 1862-9-13 1371 Siskiyou Mount Shasta 2133 Comment
  CAS-BOT-BC221256  Calystegia malacophylla subsp. malacophylla Wm. Bridge Cooke 1940-6-7 15098 Siskiyou Along the Pacific Highway near Black Butte Comment
  UC1185276  Calystegia malacophylla subsp. malacophylla H. E. Brown June 1-10 1897 397 Siskiyou near Sisson; near Sisson 1083 Comment
  HSC42976  Calystegia occidentalis subsp. occidentalis J. O. Sawyer, Ken Stillman 1976-5-29 2738 Siskiyou Along Specimen Creek 915 Comment
  RSA699533  Camassia quamash subsp. breviflora Jenny Marr 1993-07 137 Siskiyou Butte Valley Wildlife Area, ~7 air miles NW of the town of MacDoel. 1350 Comment
  CAS-BOT-BC37003  Camelina microcarpa A. A. Beetle; G. L. Stebbins, Jr. 1942-5-31 3409 Siskiyou Canyon north of Willow Creek, 5 miles west of Gazelle. Comment
  CAS-BOT-BC160906  Camissonia tanacetifolia subsp. tanacetifolia Elmer I. Applegate 1935-6-2 9285 Siskiyou Frenner's ranch, old road to the Lava Beds, near National Monument Comment
  SD88317  Campanula prenanthoides Darley F. Howe 1972-7-5 Siskiyou Near state line on Oregon to Happy Camp road. 1705 Comment
  SEINET10463098  Campanula prenanthoides Muth 1979-8-6 MUTH 13116 Siskiyou Near Tom Gray Gulch, on the Happy Camp quadrangle; close to the town or Happy Camp, gravelly soil, serpentine. 610 Comment
  UC164334  Campanula prenanthoides Geo. D. Butler 1910-8-7 1815 Siskiyou Humbug Mountain 1219 Comment
  SEINET10972061  Campanula prenanthoides James P. Smith, Steven B. Selva 1970-6-15 Smith, Jr. 3899 Siskiyou OAK BOTTOM CAMPGROUND NR SOMES BAR. T11N R6E SEC. 2 229 Comment
  SEINET10972403  Campanula prenanthoides Kildale 1928-7-22 KILDALE 5776 Siskiyou Klamath River near mouth Comment
  JEPS16326  Campanula rotundifolia Peter H. Raven 1956-9-5 10457 Siskiyou North Fork of the Sacramento River 2011 Comment
  UCD66985  Campanula rotundifolia Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou Marble Mountain, Marble Mountains. 2255 Comment
  JEPS16325  Campanula scabrella Peter H. Raven 1956-9-4 10415 Siskiyou summit of Mount Eddy 2758 Comment
  SEINET10463387  Campanula scabrella Muth 1978-8-1 MUTH 6901 Siskiyou Near Cory peak, on the China Mountain quadrangle, clase to the town of Callahan 2219 Comment
  UCD77450  Campanula scabrella Robert E. Preston 2001-7-21 1743 Siskiyou Klamath National Forest, Rainbow Mountain, T42N R1W sw 1/4 of ne 1/4 Section 22 2255 Comment
  SEINET10463777  Campanula scouleri Lemmon LEMMON s.n. Siskiyou Near Shasta Comment
  CHSC99588  Campanula shetleri L. P. Janeway 2008-7-22 9448 Siskiyou Klamath Ranges. Between the Trinity Mountains, Castle Crags, and The Eddys; narrow ridge between Hart Lake and Little Castle Lake. Growing in rocky cracks in very steep north-facing granite outcrop. 1871 Comment
  SEINET10463872  Campanula wilkinsiana Lawrence R. Heckard 1967-8-14 Heckard 1731 Siskiyou SECOND PRINGS ON SIDE CANYON ABOVE HORSE CAMP, SW FLANK OF MT. SHASTA 2560 Comment
  SEINET10463878  Campanula wilkinsiana Cyrus G. Pringle 1881-8-24 Pringle s.n. Siskiyou MT. SHASTA 2134 Comment
  SEINET10463891  Campanula wilkinsiana D'Evelyn 1931-8-10 D'EVELYN s.n. Siskiyou CREEK BED NEAR RED CAP, SCARCE 2438 Comment
  SEINET10972121  Campanula wilkinsiana Dress 1951-8-14 DRESS 3722 Siskiyou FOrming mats in short grass at edge of small spring on rocky slope on southwest side of Mt. Shasta. 2530 Comment
  SFV1451  Cardamine D. Parker 1949-6-11 227 Siskiyou Blue Creek. Comment
  JEPS53313  Cardamine breweri Milo S. Baker 1899-7-31 Siskiyou Ash Creek above Warren and Anderson's Mill (on McCloud River near Bartles, e slope Mount Shasta); e slope Mt. Shasta, Ash Creek, McCloud River Comment
  CAS-BOT-BC37749  Cardamine californica John Thomas Howell 1939-8-9 15241 Siskiyou Marble Mountains. Shackleford Creek Trail. Comment
  HSC90977  Cardamine californica Jennifer Whipple 1977-8-5 2169 Siskiyou Mt. Eddy, Wagon Creek drainage near Wagon Creek 2287 Comment
  CAS-BOT-BC19773  Carex abrupta K. T. Stillman 1976-7-15 257 Siskiyou Marble Mountain Wilderness Area. 1950 Comment
  CHSC99692  Carex abrupta L. P. Janeway 2008-7-24 9475 Siskiyou Klamath Ranges. Siskiyou Mountains; at end of short spur road into top of Alex Hole; 1.0 km east-southeast of Condrey Mountain. 1975 Comment
  RSA550450  Carex abrupta R. Tallent 1987-8-16 942 Siskiyou Panther Meadows Trailhead area. Mt. Shasta area. 2220 Comment
  UC1265327  Carex abrupta Frederick W. Oettinger 1968-9-8 733 Siskiyou se Tom's lake; Salmon Mountains, Marble Mountain Wilderness Area 2148 Comment
  UCD140054  Carex abrupta Lewis S. Rose 1937-7-3 37393 -A Siskiyou Weed, CA. 944 Comment
  NY25627  Carex amplectens W. B. Cooke 1940-1 15123 Siskiyou Mount Shasta City 1082.0 Comment
  POM297993  Carex amplifolia A. A. Heller 1905-6-5 6325 Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  SD123678  Carex angustata Robert T. Clausen, Harold Trapido 1940-7-26 4956 Siskiyou Southern Cascade Mountains; Mt. Shasta; Sacramento River Basin; boggy meadow; wagon camp. 1737 Comment
  CAS-BOT-BC17960  Carex angustata William Bridge Cooke 1939-7-7 13618 Siskiyou Mount Shasta. In the bog formed by the lower Wagon Camp Springs. 1737 Comment
  CAS-BOT-BC18125  Carex athrostachya Alice Eastwood July 28 10938 Siskiyou Medicine Lake. Comment
  SEINET10585659  Carex aurea A. Arthur Heller 1905-6-22 Heller 8096 Siskiyou Between Igerna and Weed. Comment
  JEPS63754  Carex barbarae W. L. Jepson Jul 1894 57 a Siskiyou Sisson Comment
  UC827030  Carex bolanderi John Thomas Howell 1939-8-3 14989 Siskiyou Spirit Lake Marble Mountains 1828 Comment
  CAS-BOT-BC19655  Carex brainerdii L. P. Janeway 1983-8-7 523 Siskiyou East side of Peak 5148, near end of road 17N32 ca 19 miles from Indian Creek Road. 1554 Comment
  LA17374  Carex breweri L. Ellison; 1928-9-12 500 Siskiyou Mount Shasta 3017 Comment
  SEINET10648314  Carex breweri A. Arthur Heller 1922-7-3 Heller 13679 Siskiyou Wet gravel above the head of Wagon Creek, Mount Eddy in the Hudsonian Zone. 2560 Comment
  SEINET11630190  Carex breweri C. G. Pringle 1882-1 s.n. Siskiyou Mount Shasta 2438 Comment
  UC195512  Carex cusickii Geo. D. Butler 1910-6-5 1475 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC34382  Carex cusickii W. J. Ferlatte 1966-8-2 234 Siskiyou Trinity Alps. Big Flat Hillside. Between campground and South Fork of the Salmon River. 1524 Comment
  CAS-BOT-BC34883  Carex deflexa var. boottii John Thomas Howell 1937-7-25 13486 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  HSC39256  Carex echinata subsp. echinata J. O. Sawyer 1969-8-5 1754 Siskiyou W of Little Duck Lake 2073 Comment
  JEPS88650  Carex fracta Dean W. Taylor 1987-8-5 9227 Siskiyou Tate Creek at crossing of Forest Road 36N06 McCloud River Watershed, Tate Creek 1484 Comment
  HSC91191  Carex geyeri Jennifer Whipple 1977-7-22 2027 Siskiyou Near Dobkins Lake 2073 Comment
  UC1576728  Carex halliana Dean Wm. Taylor, Glenn L. Clifton, Rexford E. Palmer 1987-8-9 9269 Siskiyou on floor of Alcohol Crater Medicine Lake area 2072 Comment
  CHSC40188  Carex hassei Lawrence Janeway 1983-8-6 489 Siskiyou At Poker Flat. 1524 Comment
  JEPS109250  Carex hassei D. W. Taylor 2005-9-28 19494 Siskiyou Scott Camp Creek Comment
  JEPS104437  Carex inops subsp. inops Martin J. Lenz 2003-6-9 19 Siskiyou 0.3 mi up 100R1 logging road from Tom Young Road, approx. 1 mi WNW of Pondosa 1254 Comment
  CHSC95997  Carex integra L. P. Janeway 2006-7-4 8790 Siskiyou Klamath Ranges. Scott Mountains; Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  HSC7  Carex integra William J. Ferlatte 1966-6-23 124 Siskiyou Yellow Rose Mine 1982 Comment
  RSA237324  Carex integra Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1175 Siskiyou Tobacco Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC97430  Carex jonesii Jennifer Whipple 1978-10-6 2432 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CHSC113777  Carex klamathensis Barbara L. Wilson; Richard E. Brainerd 2010-8-10 16313 Siskiyou Klamath National Forest, along road 41N03, about 1.5 miles from road 2H001. 1591 Comment
  CHSC107133  Carex leptopoda R. E. Brainerd 2009-7-22 1554 Siskiyou Trout Creek east of Mt. Shasta, 26 air miles east of Weed. UTM Zone 10 592966E 4588754N. 1493 Comment
  UC1265320  Carex luzulina var. ablata Frederick W. Oettinger 1968-8-3 374 Siskiyou Diamond Lake Salmon Mountains, Marble Mountain Wilderness Area (high lake basins in the vicinity of English Peak) 1828 Comment
  CAS-BOT-BC31602  Carex luzulina var. ablata Wayne E. Rolle 1993-7-10 630 Siskiyou Poker Flat. 1524 Comment
  HSC29629  Carex mariposana Frederick W. Oettinger 1968-8-10 458 Siskiyou Marble Mtns. Wilderness Area, High Lake Basins Area, on trail from Base Camp to Hancock Lake 1974 Comment
  JEPS121396  Carex multicaulis Peter F. Zika & Julie Nelson 2012-6-21 25909 Siskiyou ridge above South Fork Willow Creek, 9 air km ENE of Gazelle Mountain, Shasta-Trinity National Forest, FS Road 42N42Y, 0.25 road miles E of junction with 42N19 Comment
  UCD77461  Carex multicaulis Robert E. Preston 2001-6-23 1547 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W ne 1/4 of se 1/4 Section 14 1828 Comment
  CAS-BOT-BC32003  Carex multicaulis L. P. Janeway 1982-8-21 169 Siskiyou Preston Peak Quad, in the old dirt road between Poker Flat and Twin Valley, near Twin Valley 1463 Comment
  HSC77196  Carex multicaulis L. P. Janeway 1983-6-26 350 Siskiyou Near W Branch USFS Station 671 Comment
  CAS-BOT-BC32281  Carex multicostata Louis Cutter Wheeler 1934-8-6 3049 Siskiyou Bear Ground Bl. 1676 Comment
  SEINET7568516 Image available Carex multicostata Frederick W. Oettinger 1968-8-8 450 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 2164 Comment
  SEINET7568685 Image available Carex nebrascensis Barbara L. Wilson, Richard E. Brainerd 2004-6-17 10917 Siskiyou Gazelle-Callahan Road. 1478 Comment
  CAS-BOT-BC119898  Carex nebrascensis J. W. Stacey 1939-6-23 13502 Siskiyou In wet place in abandoned roadway near the Municipal Spring above Howard. 1280 Comment
  CAS-BOT-BC119681  Carex nervina W. R. Dudley 1899-8-24 s.n. Siskiyou Craggy Peak at Spring. Comment
  CAS-BOT-BC119683  Carex nervina John Thomas Howell 1939-8-7 15119 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  HSC29645  Carex nigricans Frederick W. Oettinger 1968-8-2 358 Siskiyou Marble Mtn. Wilderness Area, Diamond Lake 2073 Comment
  CHSC40157  Carex nudata L. P. Janeway 1983-6-25 337 Siskiyou Along west side Klamath Rover at Swillup Creek. 243 Comment
  SEINET7569426 Image available Carex nudata John Thomas Howell, T. C. Fuller, G. D. Barbe 1980-4-29 53432 Siskiyou Along East Fork Scott River 2 miles east of Callahan on road to Gazelle. 991 Comment
  CAS-BOT-BC119203  Carex pachystachya A. A. Heller 1916-7-20 12468 Siskiyou Near Wagon Creek Falls, E side of Mt. Eddy 1524 Comment
  UC195517  Carex pachystachya Geo. D. Butler 1909-6-13 806 Siskiyou Oro Fino Comment
  CAS-BOT-BC119201  Carex pachystachya A. A. Heller 1922-7-15 13708 Siskiyou Wet sandy soil in the meadow at Medicine Lake. 2133 Comment
  CAS-BOT-BC118932  Carex pellita John Thomas Howell 1952-6-15 28359 Siskiyou Swamp, 2 mi W of Montague. Comment
  CHSC71507  Carex pellita Vernon H. Oswald; Lowell Ahart 1998-7-21 9353 Siskiyou Northeast of Weed and south of Macdoel in an area of marshes and wet meadow along Old State Highway on the west side of Bray. 1417 Comment
  SEINET8410792  Carex pellita John Thomas Howell 1952-6-15 28359 Siskiyou 2 miles west of Montague Comment
  CAS-BOT-BC118575  Carex praegracilis Lewis Samuel Rose 1937-7-3 37397 Siskiyou Weed. 944 Comment
  JEPS107829  Carex praegracilis Lowell Ahart, John Dittes 2005-6-10 12094 Siskiyou 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada Comment
  CAS-BOT-BC118779  Carex preslii John Thomas Howell 1939-8-8 15157 Siskiyou Black Mt. Marble Mts. Comment
  CHSC106709  Carex preslii Barbara Ertter 1990-7-14 9317 Siskiyou E side Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mi N of Morgan Meadows, steep E-facing serpentine hillside. 1676 Comment
  UC834554  Carex preslii John Thomas Howell 1939-8-9 15203 Siskiyou Sky High Valley Marble Mountians 1828 Comment
  CAS-BOT-BC118791  Carex preslii William Bridge Cooke 1939-7-12 13635 Siskiyou On the SW slopes of the mountain near Horse Camp. 2438 Comment
  CAS-BOT-BC118793  Carex preslii William Bridge Cooke 1939-7-13 13636 Siskiyou Bottom of Horse Camp Creek, the creek which flows in a gully S of Horse Camp. 2438 Comment
  UC834792  Carex raynoldsii A. A. Heller 1922-7-15 13701 Siskiyou Medicine Lake 2133 Comment
Read comments
Jan 18 2008
  HSC89804  Carex rostrata D. K. Imper 1987-7-22 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  HSC30528  Carex scopulorum Frederick W. Oettinger 1969-8-19 1455 Siskiyou Marble Mtn. Wilderness Area, Abbott's Basin 1905 Comment
  HSC39299  Carex scopulorum var. bracteosa J. O. Sawyer 1969-8-5 1752 Siskiyou W of Little Duck Lake 2073 Comment
  CAS-BOT-BC117238  Carex spectabilis William Bridge Cooke 1938-9-8 11666 Siskiyou Mt. Shasta. 2590 Comment
  CAS-BOT-BC117250  Carex spectabilis John Thomas Howell 1937-7-25 13479 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  HSC39290  Carex spectabilis J. O. Sawyer 1969-8-4 1802 Siskiyou Above Sugar Lake 2134 Comment
  JEPS84069  Carex spectabilis L. R. Heckard with J. Hickman et al. 1986-7-17 6527 Siskiyou above and s Alex Hole (n of Hwy. 96); Buckhorn Campground Comment
  CAS-BOT-BC117256  Carex spectabilis John Thomas Howell 1939-8-9 15226 Siskiyou Ridge South of Marble Valley, Marble Mts. Comment
  POM254192  Carex spectabilis J. T. Howell 1939-8-9 15226 Siskiyou Marble Mts, Ridge S of Marble Valley Comment
  RSA238931  Carex spectabilis Frederick W. Oettinger 1969-9-2 1602 Siskiyou Bear Meadow near Tom Taylor Cabin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  RSA238963  Carex spectabilis Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1259 Siskiyou Lower pond, Tom s Lake Region. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  SEINET4152285  Carex straminiformis Unknown 1939-8-6 15108 Siskiyou Elk Mountain, Marble Mountains Comment
  SEINET4292102 Image available Carex straminiformis L. Janeway, Castro, B 2007-1 9140 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, very steep north-facing slope near the top of the north-west-trending shoulder. Open exposed slope above theforest of mountain hemlock and red fir. Comment
  UC1021829  Carex subfusca J. M. Tucker 1950-7-24 1951 Siskiyou ca. 6 mi nw Pilgrim Creek Experiment Station (beside Cold Creek at the Military Road crossing); Mount Shasta, Cold Creek Comment
  POM211462  Carex subfusca L. C. Wheeler 1934-7-2 2841 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts. 1280 Comment
  SEINET4110863  Carex whitneyi D. W. Taylor 2005-1 19382 Siskiyou Antelope Creek; along unnamed tributary that drains from Rainbow Mountain, just upstream from the crossing of Forest Road 42N16. 1697 Comment
  SEINET3156101  Carum G. D. Butler 1910-8-13 1831 Siskiyou Quartz Valley Comment
  UC1540025  Castilleja applegatei M. Mitchell 1936-5-21 26 Siskiyou Fleppe Chimney; Lava Beds National Monument 1478 Comment
  HSC19024  Castilleja applegatei J. O. Sawyer 1969-7-17 1129 Siskiyou S facing upper slope E of Waterdog Lake 2165 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-BC243749  Castilleja applegatei var. pinetorum Wm. Bridge Cooke 1940-6-27 15195 Siskiyou In the Lava Park along the old logging road leading south up the north side of the mountain from Hotlum Station, Mount Shasta 1524 Comment
  JEPS76189  Castilleja arachnoidea T. I. Chuang with Fei-Mei Chuang 1977-7-22 7633 Siskiyou Panther Meadow Mt. Shasta 2194 Comment
  UC1012497  Castilleja arachnoidea Francis W. Pennell 1940-7-17 26176 Siskiyou w of Etna; Salmon Mountains 1981 Comment
  HSC61964  Castilleja arachnoidea Al Hobart Siskiyou Preston Peak 2073 Comment
  RSA142620  Castilleja arachnoidea subsp. schizotricha Philip A. Munz 1960-8-22 24190 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
  UC885340  Castilleja miniata A. A. Heller 1916-7-20 12473 Siskiyou near Wagnon Creek Falls (e side of Mt. Eddy); Mt. Eddy 1524 Comment
  CAS-BOT-BC254110  Castilleja miniata Wm. Bridge Cooke 1938-9-8 11659 Siskiyou Mt. Shasta. Heather Meadow. 2438 Comment
  HSC65009  Castilleja miniata D. L. Goforth 1979-7-19 271 Siskiyou Caribou Lakes Basin, 1 km. S of Upper Lake 2195 Comment
  RSA120855  Castilleja miniata G. D. Barbe 1957-7-13 374 Siskiyou Big Flat Public Camp, Klamath National Forest. 1524 Comment
  CHSC75630  Castilleja pilosa Vernon H. Oswald; Kenneth Beatty 1999-6-27 9791 Siskiyou Northeast of Grass Lake and south of Juanita Lake on FR 45N20 between Hwy. 97 and Martin Dairy Campground. Comment
  JEPS23796  Castilleja pruinosa Rimo Bacigalupi with Lincoln Constance 1959-6-17 7156 Siskiyou 4 mi ne Weed (slopes across from junction of Big Springs Road with U.S. Hwy 97) 1066 Comment
  RSA700165  Castilleja pruinosa Noel Holmgren, James L. Reveal 1966-6-9 2674 Siskiyou Siskiyou mountains, O'Brien-Happy Camp road, 15 miles north of Happy Camp (Indian Creek drainage). 960 Comment
  SEINET14165243  Castilleja pruinosa G. D. Butler 1910-5-1 1259 Siskiyou Humbug Mountain. 1219 Comment
  SEINET3159250  Castilleja pruinosa G. D. Butler 1910-6-7 1529 Siskiyou Greenhorn Mtn. Comment
  JEPS84013  Castilleja schizotricha L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6344 Siskiyou ca 7 mi nne Seiad Valley (ca 0.5 mi se of Red Butte, sw of Cook and Green Pass, e of road) 1730 Comment
  SEINET269404 Image available Castilleja tenuis Richard J. Shaw 1963-6-11 1285 Siskiyou Along old highway 99 2 miles north of Weed 1067 Comment
  CAS-BOT-BC49186  Ceanothus cuneatus C. Hart Merriam 1919-9-24 s.n. Siskiyou Ager Comment
  JEPS42443  Ceanothus integerrimus Geo. D. Butler 1909-5-31 769 Siskiyou Humbug Mt. Comment
  RSA399888  Ceanothus integerrimus E. E. Stanford 1930-6-15 1586 Siskiyou 1 mile north of Dunsmuir. Comment
  POM301658  Ceanothus integerrimus var. macrothyrsus Carl B. Wolf 1941-7-26 11083 Siskiyou 4 miles NE of summit of Buckhorn Mt, on the Weaverville Redding road. 732 Comment
  HSC36948  Ceanothus prostratus J. P. Smith 1974-5-26 7554 Siskiyou Along FS Rd. 47N03 1524 Comment
Read comments
Feb 26 2013
  JEPS42175  Ceanothus prostratus W. L. Jepson 1940-7-1 20074 Siskiyou 6 mi e McCloud (Fowlers Camp); McCloud River 944 Comment
  JEPS42176  Ceanothus prostratus Geo. D. Butler 1909-8-24 589 Siskiyou Greenhorn Rd Comment
  LA44959  Ceanothus prostratus William Bridge Cooke; 1939-7-14 13679 Siskiyou Mount Shasta, along the Sisson Southern Trail 1523 Comment
  UC1733691  Ceanothus prostratus Kay H. Beach, Frank Gould 1940-5-16 638 Siskiyou Bald Mt. Comment
  CAS-BOT-BC52172  Ceanothus pumilus Herbert L. Mason 1947-5-17 14760 Siskiyou Five miles south of Callahan, on Scott Mountain road Comment
  RSA63225  Ceanothus sanguineus Roman Gankin, W. R. Hildreth 1967-10-27 1182 Siskiyou 2.6 road miles from Lafayette Point on USFS orad 39N04 off Black bear road between Sawyers Bar and Cecilville. 1707 Comment
  HSC4478  Ceanothus velutinus William J. Ferlatte 1967-7-25 718 Siskiyou Caribou Mtn., W slope 2439 Comment
  OBI10323  Ceanothus velutinus H. E. McMinn 1931-6-27 2519 Siskiyou Shasta City Comment
  RSA238025  Ceanothus velutinus Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1228 Siskiyou Southeast of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  UC1037434  Ceanothus velutinus Douglas Barbe 1955-8-1 320 Siskiyou se Craggy Lookout (on Mt. Bolivar); Scott Mountains, se of Craggy Lookout on Mt. Bolivar 2194 Comment
  UC163728  Ceanothus velutinus Geo. D. Butler 1909-6-22 904 Siskiyou foothills Goosenest Mountain; foothills of Goosenest Mountain Comment
  UCD112759  Ceanothus velutinus B. Crampton 1956-8-22 3866 Siskiyou Wagon Camp Road south slope of Mt. Shasta. 1767 Comment
  CAS-BOT-BC52806  Ceanothus velutinus var. velutinus Brandegee 2 Siskiyou Mt. Shasta Comment
  CHSC3256  Centaurea cyanus Virginia Hagaman 1966-5-14 181 Siskiyou 6 miles south of McConnahue Gulch--side of ra road. Comment
  HSC37528  Centaurea cyanus J. P. Smith 1974-5-26 7529 Siskiyou On Hwy. 3, 0.5 mi. NE of Fort Jones 854 Comment
  CAS-BOT-BC276997  Centaurea diffusa T. C. Fuller 1967-8-15 16262 Siskiyou W. side of Hwy 97 to Weed, 3 mi. s. of Macdoel, Butte Valley Comment
  RSA190692  Centaurea diffusa T. C. Fuller 1967-8-15 16262 Siskiyou 3 roadside plants, W side of Hwy 97 to weed, 3 miles S of Macdoel, Butte Valley Comment
  CDA7264  Centaurea maculosa T. C. Fuller 1963-8-26 11155 Siskiyou W. H. Kerr, Flying K Ranch, upper Quartz Valley, 2 miles south of Mugginsville. 0 Comment
  CDA21356  Centaurea pratensis L. Wehmeyer 2001-11-8 s.n. Siskiyou Environmental Education Area off North Shore Rd. in Mt. Shasta. 0 Comment
  POM351527  Centaurea solstitialis J. P. Smith, Steve Selva 1970-7-16 4403 Siskiyou 1 mile east of O'Neill Campground 579 Comment
  CAS-BOT-BC288797  Centromadia fitchii Louis C. Wheeler 1934-10-6 3309 Siskiyou Shasta Valley 2 miles SE of Yreka 853 Comment
  RSA240102  Cephalanthera austiniae Frederick W. Oettinger 1969-8-25 1549 Siskiyou Little North Fork Trail. The Salmon Mountains; the high lake basins in the vicinity of English Peak; Marble Mountain Wilderness Area 2012 Comment
  HSC76692  Cerastium arvense K. T. Stillman 1976-8-7 209 Siskiyou Marble Mtn. Wilderness Area. 1951 Comment
  UC1586856  Cerastium arvense Juha Pykala and D. H. Norris 1987-6-26 2006 Siskiyou n. of Sulphur Springs (between Doolittle Creek and Stanza Creek - eastern tributaries of Elk Creek); Klamath Nat'l Forest 1400 Comment
  HSC103178  Cerastium arvense subsp. strictum Dana York 2011-9-8 3088 Siskiyou Klamath National Forest, slopes of Kings Castle 2175 Comment
  CDA3353  Cerastium dichotomum T. C. Fuller 1962-5-18 8746 Siskiyou B.M. Long property, Little Shasta Road, 5 miles east of Montague. 0 Comment
  CAS-BOT-BC135450  Cercocarpus betuloides var. betuloides Geo. D. Butler 1910-4-16 1179 Siskiyou Klamath Hills Comment
  HSC68509  Cercocarpus ledifolius Maralyn A. Renner 1980-6-9 840 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  CHSC110958  Cercocarpus ledifolius var. intermontanus B. Castro; L. P. Janeway 2007-7-28 1665 Siskiyou Modoc Plateau. Upper part of Callahan Flow, along old RR bed (USFS Road 44N53) 0.4 mi north of Cinder Butte. 1731 Comment
  RSA120871  Chaenactis carphoclinia H. K. Wagnon 1957-8-11 1698 Siskiyou East slope of Mt. Shasta on rd. to Brewer Cr., 3 mi. W of Military Pass Rd. Comment
  JEPS34211  Chaenactis douglasii var. douglasii Duncan Dunning 1922-6-6 Siskiyou nw of Fort Jones; Moffett Creek Comment
  JEPS69747  Chaenactis douglasii var. douglasii W. B. and V. G. Cooke 1972-6-30 45408 Siskiyou above Andesite crossing Military Pass Road; Mt. Shasta 1524 Comment
  OBI55466  Chaenactis douglasii var. douglasii David J. Keil, Kathleen Keil 1992-7-21 23538 Siskiyou Klamath NF SE of Callahan. forest Rd 40N08, 1.7 mi W of Scott Mtn Rd (hwy 3) Comment
  UC1286473  Chaenactis douglasii var. douglasii W. B. and V. G. Cooke 1965-7-12 35192 Siskiyou along Bolam Road Mt. Shasta 1706 Comment
  CAS-BOT-BC106042  Chaenactis suffrutescens L. E. Smith 1913-6-12 357 Siskiyou Road from Sisson to Castle Lake Comment
  RSA782330  Chaenactis suffrutescens R. W. Spjut, Paul Burchstead 2008-6-12 16339 Siskiyou Klamath Region. Scott Valley, South Kidder Creek west of Greenview on north side of Hwy. 3, between Fort Jones and Etna 860 Comment
  UC54082  Chaenactis suffrutescens H. M. Hall and E. B. Babcock 1903-6-1 4081 Siskiyou upper part of Shasta Valley; Sierra Nevada Mountains, Mount Shasta, Shasta Valley 1158 Comment
  SBBG16538  Chamaesaracha nana D. Myrick 1961-6-19 265 Siskiyou rd to Mt Shasta Ski Bowl 1828 Comment
  UCD126575  Chamaesaracha nana T. C. Fuller 1962-6-12 8967 Siskiyou east side of Davis Road to Medicine Lake, 0.2 mile south of road to Dorris, ca. 16 miles east of Macdoel. Comment
  UCD126576  Chamaesaracha nana Jack Major 1961-7-14 637 Siskiyou along road to Panther Creek, Mount Shasta. 1800 Comment
  SBBG28479  Chamaesyce serpillifolia subsp. serpillifolia L. C. Wheeler 1934-9-20 3289 Siskiyou Lumgrey Crk 670 Comment
  CHSC66542  Chamerion angustifolium subsp. circumvagum Vernon H. Oswald 1996-7-12 7996 Siskiyou High Cascade Range. Everitt Memorial Hwy. (A10) E of Mt. Shasta city between mileposts 5 and 6. At roadside. 1554 Comment
  HSC19503  Chamerion angustifolium subsp. circumvagum J. O. Sawyer 1969-8-4 1794 Siskiyou Along C.C.C. road 1341 Comment
  HSC29136  Chamerion angustifolium subsp. circumvagum Frederick W. Oettinger 1968-8-2 365 Siskiyou Marble Mtn. Wilderness Area, Diamond Lake 2073 Comment
  UC637051  Chamerion angustifolium subsp. circumvagum Edward Lee 1934-8-13 1069 Siskiyou Happy Camp-Waldo (Oregon) road Klamath Nat. Forest, watershed of West Branch of Indian Cree 1371 Comment
  JEPS355  Cheilanthes gracillima Geo. D. Butler 1910-7-12 1754 Siskiyou Shackelford Creek Shackelford Creek Comment
  CAS-BOT-BC68212  Cheilanthes gracillima Donald Branscomb 1958-7-1 s.n. Siskiyou Bald Mountain Comment
  CAS-BOT-BC68248  Cheilanthes gracillima L. B. Kildale 1930-6-1 9854 Siskiyou Summit between Sawyers Bar & Etna Mill Comment
  RSA44884  Cheilanthes gracillima J. C. Roos 1948-9-1 3947 Siskiyou tufted in rocks, on high ridge, summit of pass, southwest of Etna Comment
  JEPS80663  Chenopodium pratericola W. B. and V. G. Cooke 1968-7-1 39230 Siskiyou Andesite Road at US-97 (n base of mt.); Mt. Shasta Comment
  UC722500  Chimaphila menziesii C. L. Hitchcock and J. S. Martin 1939-7-7 5269 Siskiyou ca. 13 mi. s. Takilma, Oregon; Sanger Peak Trail 1066 Comment
  CAS-BOT-BC452281  Chimaphila umbellata Doris K. Kildale 1930-6-1 9787 Siskiyou Black Bear trail to Sawyer's Bar Comment
  HSC69265  Chimaphila umbellata John Palmer 1980-8-12 728 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  UC412892  Chimaphila umbellata H. W. Furlong Sept 1901 Siskiyou summit to Ager Comment
  CAS-BOT-BC452283  Chimaphila umbellata David D. Keck 1938-8-6 4803 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., on road from Waldo to Happy Camp Comment
  HSC62628  Chimaphila umbellata Ruby Van Deventer 1957-8-5 Siskiyou Youngs Valley Comment
  SEINET12047170  Chlorogalum pomeridianum F. H. Utech 1978-1 78 -264 Siskiyou Klamath National Forest, Young's Valley Comment
  CAS-BOT-BC36389  Chrysolepis chrysophylla H. A. Thomas; J. H. Thomas 1957-7-23 4471 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Vicinity of Blind Horse Creek 1036 Comment
  HSC29620  Chrysolepis chrysophylla var. minor Frederick W. Oettinger 1969-7-29 1097 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; On ridge just S above Uncles Lake near inlet stream 1890 Comment
  UC1096788  Chrysolepis sempervirens H. K. Wagnon 1957-8-11 1690 Siskiyou 3 mi w Military Pass Rd. (on rd to Brewer Creek, e slope of Mt Shasta); North Coast Ranges, Mt. Shasta Comment
  POM211818  Chrysothamnus nauseosus subsp. albicaulis L. C. Wheeler 1934-8-26 3223 Siskiyou Trapper Creek. 1860 Comment
  UCR143370  Chrysothamnus nauseosus subsp. albicaulis L. C. Wheeler 1934-6-26 2788 Siskiyou Siskiyou Mtns, Camp Lowe, Klamath River, Mt. Diablo Meridian 732 Comment
  CAS-BOT-BC100857  Chrysothamnus viscidiflorus subsp. viscidiflorus Lewis S. Rose 1941-8-28 41427 Siskiyou Dorris 1291 Comment
  CAS-BOT-BC279847  Cichorium intybus L. E. Smith 1912-7-1 s.n. Siskiyou McCloud Comment
  CAS-BOT-BC520386  Cinna latifolia Dana York 2011-9-8 3082 Siskiyou Klamath National Forest, Marble Mountain Wildernesss, along PCT ca 650 m SE of Paradise Lake 1950 Comment
  HSC96870  Cinna latifolia Gordon Leppig 1998-8-13 998 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, in cirque W of Little Duck Lake 2200 Comment
  UC1190126  Circaea alpina subsp. pacifica Ira L. Wiggins 1955-7-23 13469 Siskiyou China Creek 1097 Comment
  UC1495339  Circaea alpina subsp. pacifica Robert T. Clausen and Harold Trapido 1940-7-26 4951 Siskiyou e. side of canyon of Mud Creek; S. Cascade Mts., Sacramento R. Basin, Mt. Shasta 1584 Comment
  UC157918  Circaea alpina subsp. pacifica Milo S. Baker 1898-8-1 494 Siskiyou Payne's Springs Comment
  CAS-BOT-BC278049  Cirsium cymosum John Thomas Howell 1952-6-15 28361 Siskiyou Montague 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
  OBI54129  Cirsium cymosum var. canovirens David J. Keil, Kathleen Keil 1992-7-24 23560 Siskiyou Klamath Natl forest E of callahan. 2.1 m N of Kangaroo Lake on Rail Creek rd Comment
  CDA1206  Cirsium douglasii var. breweri T. C. Fuller 1959-1 3088 -B Siskiyou 3 mi. N/ Weed; Shasta River, wet meadow just S/ Hwy 99. Comment
  CAS-BOT-BC279882  Cirsium douglasii var. breweri A. A. Heller 1927-8-1 14437 Siskiyou Near Deetz, just north of Shasta City Comment
  CDA1275  Cirsium inamoenum T. C. Fuller 1979-10-3 20271 -B Siskiyou Goosenest Rd., 14 km northeast of Tennant. 0 Comment
  CAS-BOT-BC285552  Cirsium occidentale var. candidissimum Alice Eastwood 1912-7-23 1357 Siskiyou Sisson Comment
  HSC27654  Cirsium occidentale var. candidissimum Carl W. Mize 1972-7-8 9 Siskiyou Along Wooly Creek trail 328 Comment
  HSC26708  Cirsium remotifolium William J. Ferlatte 1971-9-18 1373 Siskiyou Big Flat near public campground 1524 Comment
  UC165435  Cirsium remotifolium var. odontolepis Geo. D. Butler 1910-7-9 1695 Siskiyou Shackleford Creek 1219 Comment
  RSA607265  Cirsium scariosum L. C. Wheeler 1935-6-30 3636 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  CAS-BOT-BC228973  Cistanthe umbellata Geo. B. Grant 1902-9-7 s.n. Siskiyou Mt Shasta Comment
  CAS-BOT-BC228971  Cistanthe umbellata Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Mumbo Lake, Trinity Mts. 1828 Comment
  SEINET270929  Cistanthe umbellata Richard J. Shaw 1963-6-10 1294 Siskiyou Highway 99 2 miles south of Weed. Comment
  CAS-BOT-BC164163  Clarkia concinna Doris K. Kildale 1929-5-26 9202 Siskiyou Hawkins Bar on Salmon River 609 Comment
  RSA120892  Clarkia cylindrica subsp. cylindrica Milo S. Baker 1957-6-16 15156 Siskiyou North Coast Ranges: Trip to Scott Mt. a few miles from turn off near Callahan Comment
  UC164341  Clarkia lassenensis Geo. D. Butler 1909-5-14 747 Siskiyou Klamath River Comment
  UC54446  Clarkia lassenensis H. M. Hall and E. B. Babcock June, 1903 4174 Siskiyou Fall River Springs Sierra Nevada Mountains 1066 Comment
  CAS-BOT-BC172568  Clarkia purpurea subsp. purpurea L. E. Smith 1913-6-20 384 Siskiyou Weed Comment
  SEINET7096712  Clarkia purpurea subsp. quadrivulnera A. G. Vestal 1963-6-3 s.n. Siskiyou Dry weedy area among larva boulders north of Mayten. NAD27, 41? deg. 40' 41ao, -122?_ 20' 08ao (converted to WGS84 decimal degrees) UTM Zone 10, 555305mE, 4614022mN. Comment
  CAS-BOT-BC164972  Clarkia rhomboidea Doris K. Kildale 1928-7-2 5356 Siskiyou Salmon Summit via Horn Creek trail 1981 Comment
  HSC19168  Clarkia rhomboidea J. O. Sawyer 1969-7-9 1220 Siskiyou On trail to S Sugar Lake 1692 Comment
  CAS-BOT-BC439107  Claytonia cordifolia John Thomas Howell 1939-8-3 15012 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  JEPS43185  Claytonia cordifolia Geo. D. Butler 1910-6-5 1510 Siskiyou Shackleford Creek Comment
  RSA184768  Claytonia cordifolia Gilbert Muth 1966-7-8 354 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  RSA50231  Claytonia cordifolia E. K. Balls 1949-7-9 13939 Siskiyou 8.3 miles from Etna on road to Sawyer s Bar. 1006 Comment
  HSC92978  Claytonia lanceolata Jennifer Whipple 1976-4-17 1030 Siskiyou Ridge between Durney Lake and Little Crater Lake 2378 Comment
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Sep 23 2019
  RSA0080498  Claytonia lanceolata P. A. Munz 1952-7-2 17908 Siskiyou Ridge west of Baldy Mt. L. O., 6 mi. by air west of Happy Camp. Siskiyou Mts. 1768 Comment
  UC618649  Claytonia rubra subsp. rubra unknown 1938-6-24 11063 Siskiyou MacBride Springs; Mount Shasta Comment
  RSA262514  Claytonia sibirica J. M. Tucker 1974-7-28 4318 Siskiyou Haypress Meadows, Marble Mtn Wilderness Area 1463 Comment
  UC1408944  Claytonia sibirica Frederick W. Oettinger 1968-8-14 509 Siskiyou Tom Taylor Cabin Salmon Mountains, Marble Mountain Wilderness Area, English P (vicinity of English Peak, w Siskiyou County) 2048 Comment
  POM164048  Claytonia sibirica E. B. Copeland 1903-8-13 3891 Siskiyou Sisson. 1067 Comment
  RSA232527  Claytonia sibirica Donald Myrick 1968-6-26 2026 Siskiyou In shade along upper waters of Coffee Creek, Trinity Alps. 1463 Comment
  JEPS60556  Clematis ligusticifolia W. L. Jepson July 1894 Siskiyou Sisson Comment
  RSA96932  Clematis ligusticifolia Percy C. Everett, E. K. Balls 1954-10-12 20272 Siskiyou N of Walker along Beaver Creek, 3.8 miles S from Beaver Creek Forest Service camp Comment
  HSC22449  Clintonia uniflora J. O. Sawyer 1969-8-4 1925 Siskiyou Above S Sugar Lake 2043 Comment
  RSA237956  Clintonia uniflora Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1277 Siskiyou Salmon Mountains, the high lake basins in the vicinity of English Peak Marble Mountain Wilderness Area; at southeast end of English Lake. 1768 Comment
  HSC72674  Collinsia grandiflora J. P. Smith 1976-5-5 8674 Siskiyou Road from Etna to Sawyer's Bar. 732 Comment
  JEPS3691  Collinsia linearis Dorothy Mrs. Warren Parker 1953-5-24 537 Siskiyou Scott River; hillside 687 Comment
  UC1001180  Collinsia linearis Dorothy Parker 1953-5-24 537 Siskiyou Siskiyou Mountains, Scott River Scott River; Siskiyou Mountains, Scott River 687 Comment
  CHSC96009  Collinsia rattanii L. P. Janeway 2006-7-3 8765 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead Road about 1.5 km west of upper crossing of Music Creek. 1646 Comment
  RSA412244  Collinsia torreyi Christopher Davidson 1975-6-5 2671 Siskiyou 0.8 mi. from gate on special service rd. branching SE of rd from Gazelle to Callahan, ca. 9.3 miles W of Gazelle. Klamath Nat. Forest. 1509 Comment
  RSA12614  Collomia grandiflora C. B. Wolf 1934-7-5 5971 Siskiyou 6-6/10 mi. from Dry Lake Lookout on rd. to Oak Knoll R. S. on Klamath River 1524 Comment
  UC164129  Collomia grandiflora Geo. D. Butler 1910-5-19 1366 Siskiyou dry land near Yreka Comment
  UC201122  Collomia grandiflora Dr. E. B. Copeland 1903-8-12 3932 Siskiyou Sisson Comment
  UC637122  Collomia grandiflora Edward Lee 1934-8-14 1110 Siskiyou w-facing rocky slope below summit (Siskiyou-Del Norte County line); Little Grayback 1767 Comment
  HSC27468  Collomia grandiflora J. P. Smith, J. O. Sawyer 1972-5-28 5361 Siskiyou 1 mi. S of Etna on Hwy. 3 915 Comment
  UC164012  Collomia heterophylla Geo. D. Butler 1910-6-4 1496 Siskiyou Shackleford Creek Comment
  UC971918  Collomia tinctoria Herbert L. Mason 1950-7-16 14054 Siskiyou road from Happy Camp CA to Waldo Oregon Comment
  UC848988  Comandra umbellata subsp. californica W. Bridge Cooke 1941-6-7 16007 Siskiyou near Mount Shasta City (along the Abrams Lake Road); Abrams Lake Road 1066 Comment
  HSC65318  Convolvulus arvensis J. P. Smith, Steve Selva 1970-8-9 4575 Siskiyou In potato fields W of Macdoel. Comment
  UC1409485  Corallorhiza maculata Frederick W. Oettinger 1969-7-28 1090 Siskiyou steep wsw slope nne Pine Lake (high lake basins in vicinity of English Peak, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 2072 Comment
  UC1409486  Corallorhiza mertensiana Frederick W. Oettinger 1968-8-7 431 Siskiyou Hancock Lake Salmon Mountains, Marble Mountain Wilderness Area (woods across meadow from base camp, high lake basins in vicinity of English Peak, w Siskiyou Co.) 1950 Comment
  RSA758225  Corallorhiza mertensiana Robert F. Thorne 1969-8-2 63321 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  UC164421  Corallorhiza striata Geo. D. Butler 1910-5-5 1292 Siskiyou Humbug Mountain Comment
  SEINET3864279  Cordylanthus tenuis Barbara L. Wilson, R. E. Brainerd 2010-8-5 16220 Siskiyou Dunsmuir; Panorama Drive north of Interstate Highway 5 (I-5).; 0 774 Comment
  UC196060  Cordylanthus tenuis A. A. Heller 1914-8-26 11723 Siskiyou Weed 975 Comment
  UCD123171  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-9 16291 b Siskiyou Shasta-Trinity National Forest, on Stewart Springs Road (Forest Service Road 17) 5.3 miles from the Gazelle Road. 1304 Comment
  UC166603  Cornus glabrata Geo. D. Butler 1909-9-26 974 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC212054  Cornus nuttallii J. H. Thomas 1954-5-13 4134 Siskiyou Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, vicinity of Blind Horse Creek, Salmon Mountains, Klamath National Forest 1066 Comment
  CAS-BOT-BC212069  Cornus nuttallii Elmer I. Applegate 1895-5-29 224 Siskiyou Sisson, west base of Mount Shasta Comment
  RSA12595  Cornus nuttallii C. B. Wolf 1934-7-6 5991 Siskiyou 3 mi. from Mt. Shasta City on Wagon Camp Road. SW slope of Mt. Shasta. 1220 Comment
  UC142946  Cornus nuttallii Dr. E. B. Copeland 1903-9-8 3850 Siskiyou foot of Mt. Eddy 1219 Comment
  CAS-BOT-BC210396  Cornus sericea Doris K. Kildale 1928-8-18 6455 Siskiyou Head of North Fork of Salmon River at Finley's Upper Camp Comment
  CAS-BOT-BC210412  Cornus sericea Geo. D. Butler 1908-8-21 86 Siskiyou Etna Creek Comment
  CHSC71574  Cornus sericea subsp. sericea Vernon H. Oswald; Lowell Ahart 1998-8-3 9457 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 2.6 mi southeast of Gazelle-Callahan Rd. Along a streamlet on the upstream side of a culvert. 1426 Comment
  UCD105669  Coronilla varia T. C. Fuller; G. D. Barbe 1972-6-13 943 Siskiyou Siskiyou Avenue exit from I 5 north of Dunsmuir; driveway to Dunsmuir Elementary School. Comment
  UC144303  Corylus californica A. A. Heller 1905-6-5 7971 Siskiyou between Shasta Retreat and Shasta Springs Comment
  CAS-BOT-BC180192  Corylus cornuta subsp. californica Carl B. Wolf 1927-8-26 1067 Siskiyou On the Klamath River, 8 mi above Hamburg Comment
  CAS-BOT-BC180204  Corylus cornuta subsp. californica A. A. Heller 1915-7-18 12128 Siskiyou Metaclf's ranch, NE base of Mt. Eddy 1371 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
  UC91846  Crepis modocensis subsp. modocensis T. S. Brandegee July, 1887 Siskiyou Ager Comment
  CAS-BOT-BC299652  Crepis monticola Geo. D. Butler 1910-5-1 148 Siskiyou Near Yreka Comment
  UC313845  Crepis occidentalis J. L. Collins 1927-6-9 Siskiyou Yreka 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-BC376478  Crepis pleurocarpa Annie M. Alexander; Louise Kellogg 1949-7-29 5890 Siskiyou Top of ridge above Sky High Lake. Sky High Valley, Marble Mountains 1920 Comment
  SEINET10757959  Crepis pleurocarpa Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 879 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway). T41N R6W near sections 28 and 33. 1983 Comment
  UC163912  Crepis pleurocarpa Geo. D. Butler 1908-8-3 306 Siskiyou Shackleford Creek Log Lake Comment
  UC581192  Crepis pleurocarpa E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1896 Siskiyou about 7 mi sw Yreka (s of hwy from Yreka to Fort Jones); Forest House Mt. 1363 Comment
  CAS-BOT-BC290873  Crepis pleurocarpa G. P. Rixford No date on label s.n. Siskiyou South side Shaft-rock [Shaft Rock] Mt., Hilt Comment
  HSC103628  Crepis pleurocarpa Thomas W. Nelson, Jane Nelson 1985-6-19 7842 Siskiyou Along south side of State Route 3, 3.1 mi. N of Scott Mountain Summit. 1524 Comment
  SEINET11835677  Crepis pleurocarpa C. G. Pringle 1882-1 s.n. Siskiyou Mts. about the head waters of the Sacramento River Comment
  UCD105963  Cryptantha Jesse Miller 2010-1 s.n. Siskiyou Near Yreka.. 1219 Comment
  UC1180475  Cryptantha ambigua Robert Ornduff 1960-6-30 6268 Siskiyou U.S. Hwy 97 Grass Lake Comment
  JEPS67621  Cryptantha intermedia Geo. D. Butler 1909-5-2 733 Siskiyou Huzby Hill Comment
  JEPS67870  Cryptantha torreyana Geo. D. Butler 1909-5-3 762 Siskiyou Humbug Mtn. Comment
  CAS-BOT-BC70480  Cryptogramma acrostichoides Ira L. Wiggins 1955-7-27 13529 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC54727  Cryptogramma acrostichoides G. L. Clifton, Griswold 1979-7-26 10134 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  SBBG81349  Cryptogramma acrostichoides R. N. Philbrick 1976-7-2 Siskiyou just above S side of Sugar Lake 1981 Comment
  CAS-BOT-BC80547  Cupressus bakeri O. V. Matthews 1939-7-11 30 Siskiyou Nearly the highest point of Seiad Grove, Seiad Region 1463 Comment
  NY16594  Cupressus bakeri C. B. Wolf 1944-10-30 11481 Siskiyou 1 mile northeast of Timbered Center, Modoc Lava Beds on old stageroad from Dana to Little Hot Springs Valley 1219.2 Comment
  NY16603  Cupressus bakeri C. O. Stone 1964-6-6 286 Siskiyou North of Timbered Crater on old jeep trail to Gassaway Reservoir; Fall River Mills quadrangle [topographic map] 1097.3 Comment
  RSA24032  Cupressus bakeri O. V. Matthews 1939-7-18 38 Siskiyou NW Goose Nest, E of Yreka Comment
  UC483417  Cupressus bakeri Mrs. Anderson 1902-2-16 Siskiyou Fork of Seiad Creek Comment
  RSA22761  Cupressus bakeri O. V. Matthews 1939-7-18 38 Siskiyou Northeast Goose Nest. East of Yreka 1524 Comment
  CDA5637  Cynoglossum officinale T. C. Fuller 1967-6-27 16034 Siskiyou West side of road to McCloud Reservoir, 0.3 mile south of McCloud. 0 Comment
  UC183885  Cyperus squarrosus Geo. D. Butler 1909-9-12 867 Siskiyou Oro Fino Comment
  CAS-BOT-BC133734  Cypripedium californicum A. A. Heller 1919-6-29 13282 Siskiyou Field redacted by CAS, contact the data manager for more information Comment
  HSC36425  Cystopteris fragilis J. O. Sawyer 1969-8-4 1876 Siskiyou S of S Sugar Lake 2104 Comment
  RSA612748  Cystopteris fragilis L. C. Wheeler 1935-6-13 3578 Siskiyou Shackleford Creek, Marble Mts. S9, T43N, R10W (Mt. Diablo Mer.) 976 Comment
  UCD136360  Cystopteris fragilis P. Quentin Tomich 1954-6-29 435 Siskiyou Silver Cave, Lava Beds National Monument. 1402 Comment
  CAS-BOT-BC192255  Danthonia californica A. A. Heller 1915-7-18 12113 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1249 Comment
  SEINET4566570  Danthonia californica E. Palmer 1892-1 2666 Siskiyou Near Mt. Shasta Comment
  UCD60863  Danthonia californica var. americana A. A. Heller 1915-7-18 12113 Siskiyou Metcalf's ranch, northeast of base of Mt. Eddy. 1249 Comment
  CAS-BOT-BC194395  Danthonia intermedia John Thomas Howell 1939-8-7 15126 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC76234  Darlingtonia californica L. E. Smith 1913-7-4 81908 Siskiyou Castle Lake. Comment
  RSA624980  Darlingtonia californica Louis C. Wheeler 1963-8-25 8267 Siskiyou South slope of Preston Peak: Near Rattlesnake Meadow. 1585 Comment
  SEINET5728399 Image available Darlingtonia californica Lowell E. Urbatsch, Vensa Karaman 2000-1 7696 Siskiyou Collected along Road 17, 8.8 mi. SW from the jct. of I-5 and Stewart Spring Rd.; Scott Mountains 1586 Comment
  UCD168831  Darlingtonia californica Barry Rice 2015-8-15 BR 150804 Siskiyou East end of Kangaroo Lake. 1838 Comment
  RSA239008  Datisca glomerata Frederick W. Oettinger 1966-7-25 39 Siskiyou Along Black Gulch Road roadside; Salmon River District; Klamath N.F.; Cecilville. Comment
  UCR142704  Datura stramonium L. C. Wheeler 1934-10-13 3319 Siskiyou Siskiyou Mountains, Klamath River near Skunk Gulch 610 Comment
  RSA17660  Delphinium andersonii Elmer I. Applegate 1935-6-2 9282 Siskiyou W base of Sconchin Butte, Lava Beds National Monument Comment
  CAS-BOT-BC8970  Delphinium depauperatum Dorothy Inez Parker 1967-6-1 s.n. Siskiyou Scott Mountain 1524 Comment
  JEPS123410  Delphinium glaucum Julie Kierstead Nelson with Robin Fallscheer 2015-8-13 2015 -133 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. Comment
  JEPS25835  Delphinium glaucum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7449 Siskiyou Poker Flat Siskiyou Mts. ((about 12 airline mi nw of Happy Camp)) 1524 Comment
  UC922379  Delphinium glaucum Annie M. Alexander and Louise Kellogg 1949-7-23 5851 Siskiyou edge of creeks Marble Mountains, Paradise Lake 1920 Comment
  HSC686  Delphinium nuttallianum William J. Ferlatte 1966-7-7 201 Siskiyou Caribou Basin 1982 Comment
  HSC41686  Delphinium nuttallianum J. P. Smith 1976-5-21 8753 Siskiyou Along FS Rd. 40N08, 1 mi. from its junction with Hwy. 3, Klamath National Forest 1646 Comment
  SEINET5338058  Delphinium nuttallianum G. Butler 1910-3-24 1142 Siskiyou Shasta River hills. Comment
  HSC69102  Deschampsia cespitosa Maralyn A. Renner 1980-8-4 2228 Siskiyou Flint Valley 1390 Comment
  UCD61112  Deschampsia cespitosa A. H. Murphy 1958-8-4 58 -C Siskiyou Little Elk Lake Marble Mts. 1676 Comment
  CAS-BOT-BC192468  Deschampsia cespitosa subsp. cespitosa Doris K. Kildale 1929-7-20 8703 Siskiyou Raspberry Lake, South Fork of Indian Creek 1828 Comment
  UCD61375  Deschampsia cespitosa subsp. cespitosa Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1207 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Along shores of Gray Rock Lake. 1800 Comment
  SJSU11325  Deschampsia cespitosa subsp. holciformis S. H. Casey 1981-7-4 1217 Siskiyou near Cook & Green Pass Seiad Creek Rd, Siskiyou Mts. c. 8 mi N of Seiad Valley 1524 Comment
  CAS-BOT-BC201636  Deschampsia danthonioides Louis C. Wheeler 1934-6-10 2674 Siskiyou Hungry Creek, Siskiyou Mts. 1097 Comment
  JEPS73746  Deschampsia danthonioides Geo. D. Butler 1908-6-25 477 Siskiyou along creek near Yreka (Butler's Ranch); Butler's Ranch Comment
  UCD62395  Deschampsia danthonioides A. A. Heller 1915-7-18 12120 Siskiyou Metcalf's ranch, base of Mt. Eddy. Comment
  UC1024735  Deschampsia elongata Leo Whitney 1934-6-29 3045 Siskiyou Antelope Creek near Tennant; Antelope Creek 1463 Comment
  UC1108538  Deschampsia elongata Ira L. Wiggins 1955-7-22 13449 Siskiyou 9.5 mi. above Cecilville; S. Fork Salmon R. 1066 Comment
  UCD63526  Deschampsia elongata Robert E. Preston 2002-7-14 1926 a Siskiyou Klamath National Forest, N slope of Rainbow Mountain. 1754 Comment
  CAS-BOT-BC43134  Descurainia pinnata subsp. brachycarpa Elmer I. Applegate 1935-6-5 9313 Siskiyou Modoc Stronghold, Lava Beds National Monument. Comment
  CAS-BOT-BC43267  Descurainia pinnata subsp. glabra R. E. Frenkel 1963-7-13 257 Siskiyou On Everitt Memorial Highway, 0.4 mile north of McCloud River RailRoad crossing near Mount Shasta. 1176 Comment
  RSA715489  Descurainia sophia L. Ahart, John Dittes 2005-6-9 12054 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
  UCD114782  Descurainia sophia Paul G. Emerson 1954-5-1 s.n. Siskiyou Alta Vista Ranch, near Montague. Comment
  HSC43327  Dicentra uniflora Maralyn O'Meara 1974-5-26 468 Siskiyou Chandler Glade along USFS Rd. 47N03 1768 Comment
  RSA47979  Dichelostemma multiflorum Roxana S. Ferris, Laura Lorraine 11784 Siskiyou Outskirts of Etna. Comment
  CAS-BOT-BC291007  Dieteria canescens var. shastensis L. E. Smith 1915-8-1 s.n. Siskiyou Bray Comment
  UC1188084  Dieteria canescens var. shastensis Philip A. Munz 1960-8-22 24183 Siskiyou Panther Meadows Mt. Shasta, Panther Meadows 2529 Comment
  HSC92173  Dieteria canescens var. shastensis Jennifer Whipple 1978-10-6 2392 Siskiyou N-facing slopes in the Eddy Creek Drainage 2378 Comment
  CAS-BOT-BC153651  Diplacus jepsonii Wm. Bridge Cooke 1938-7-15 11214 Siskiyou Above Bear Springs Comment
  CAS-BOT-BC153653  Diplacus jepsonii Alice Eastwood 1912-7-16 1143 Siskiyou [Mc Cloud] McCloud Comment
  UC163797  Disporum hookeri Geo. D. Butler 1909-5-30 787 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC136090  Dodecatheon alpinum Harley P. Chandler 1901-6-1 1572 Siskiyou Ridges and meadows near Marble Moutnain 1828 Comment
  HSC29232  Dodecatheon alpinum Frederick W. Oettinger 1969-7-15 1029 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: midway between Tom Taylor Cabin and English Peak Summit 1997 Comment
  HSC86555  Dodecatheon alpinum D. K. Imper Jul 1987 Siskiyou Marble Mtn. Wilderness Area, Haypress Meadow, 8 mi. E of Somes Bar 1372 Comment
  JEPS86135  Dodecatheon alpinum Wayne Roderick 1956-2 Siskiyou Castle Lake 1676 Comment
  HSC65344  Dodecatheon jeffreyi Rich White 1978-7-3 210 Siskiyou Saddle in Spur Ridge between Dillon Trail and 5759 1662 Comment
  SBBG25839  Downingia yina D. Myrick 1966-8-8 1475 Siskiyou Mountain Meadow Ranch, Big Flat Comment
  RSA183729  Draba pterosperma Gilbert Muth 1965-8-4 170 Siskiyou Marble Mountains, Marble Valley Comment
  UC375383  Drymocallis Geo. D. Butler 1908-8-5 348 Siskiyou summit above Cold Spring; Woolly Creek, summit above Cold Spring Comment
  UC454988  Drymocallis glandulosa I. J. Condit 1911-7-7 Siskiyou Shasta Retreat 1066 Comment
  SBBG30527  Drymocallis glandulosa var. glandulosa D. Myrick 1968-6-25 2019 Siskiyou Mountain Meadow Ranch, Big Flat; Coffee Crk 1524 Comment
  HSC136  Drymocallis lactea var. lactea William J. Ferlatte 1966-6-22 92 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's. 1524 Comment
  UCD77958  Drymocallis pseudorupestris Robert E. Preston 2001-7-21 1716 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2072 Comment
  CAS-BOT-BC536726  Drymocallis pseudorupestris Wm. Bridge Cooke 1939-8-24 13912 Siskiyou Mount Shasta. On the west side of the east red ridge above Panther Creek Meadow. Upper Hudsonian zone. Comment
  UC154519  Drymocallis rhomboidea Harley P. Chandler June, 1901 1680 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  HSC26759  Dysphania botrys J. P. Smith, J. O. Sawyer 1971-9-18 4821 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  JEPS100302  Eleocharis acicularis Dean W. Taylor 2001-8-28 17910 Siskiyou Mt. Shasta, Ash Creel Butte, Suprise Lake 2057 Comment
  RSA238954  Eleocharis acicularis var. acicularis Frederick W. Oettinger 1968-9-3 673 Siskiyou North side of Horse Range Lake. Salmon Mountains, the High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area 1822 Comment
  UC2026511  Eleocharis bella Louis C. Wheeler 1958-8-24 7428 Siskiyou Shasta Lake. 1/4 mi. west of mouth of Cove Creek. Comment
  CAS-BOT-BC112978  Eleocharis macrostachya D. E. Breedlove 1962-6-10 3325 Siskiyou On the north bank of the Klamath River at its junction with Goff Creek, 4.5 miles west of Seiad 411 Comment
  JEPS19425  Eleocharis macrostachya B. C. Goldsmith 1916-9-9 26 Siskiyou Klamath Hot Springs Comment
  CAS-BOT-BC112695  Eleocharis parishii Louis C. Wheeler 1934-8-31 3230 Siskiyou Lund Ranch, W Fork Beaver Creek. 1066 Comment
  SEINET7587040 Image available Eleocharis quinqueflora Frederick W. Oettinger 1969-8-19 1453 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. Between David Mt and Abbotts Lake Basin. 1905 Comment
  POM208264  Elodea canadensis L. C. Wheeler 1934-6-3 2624 Siskiyou Cherry Flat, Klamath River; Siskiyou Mts. 518 Comment
  CAS-BOT-BC197359  Elymus Louis C. Wheeler 1934-8-14 3132 Siskiyou White Mountain: North side 1767 Comment
  HSC100862  Elymus caput-medusae J. P. Smith, J. O. Sawyer & R. J. Cole 2010-7-11 12997 Siskiyou Gazelle- Callahan Road. 1233 Comment
  CAS-BOT-BC227922  Elymus elymoides A. A. Heller 1905-6-19 8071 Siskiyou Grenada Station Comment
  CHSC61567  Elymus elymoides subsp. californicus L. P. Janeway 1983-8-16 553 Siskiyou Siskiyou Mountains; at Poker Flat, upper part of the lower portion of the meadow. 1524 Comment
  JEPS19727  Elymus elymoides subsp. elymoides Rimo Bacigalupi with S. Galen Smith 1957-6-26 5938 Siskiyou about 2 1/2 mi nw Weed (close to US Hwy 99) 1005 Comment
  HSC103022  Elymus glaucus J. P. Smith 2014-6-6 13879 Siskiyou Along State Route 96 at the Portuguese Creek Access to the Klamath River 416 Comment
  HSC48284  Elymus glaucus J. O. Sawyer, K. T. Stillman 1978-7-6 3303 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  UC158592  Elymus glaucus Dr. E. B. Copeland 1903-7-4 3540 Siskiyou Klamathon; river bank Comment
  CHSC83260  Elymus glaucus subsp. glaucus L. P. Janeway 2002-7-13 7645 Siskiyou High Cascade Range. Along a logging spur road 0.2 km southeast of Road 13 (Pilgrim Creek Road) 9.0 kmk northeast of the Military Pass Road (Road 19); 0.2 km north of Edison Creek. 1347 Comment
  UCD62333  Elymus glaucus subsp. glaucus Robert E. Preston 2001-6-30 1660 Siskiyou Klamath National Forest, Hemlock Lake. 1889 Comment
  UC70717  Elymus multisetus T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  HSC8748  Elymus spicatus D. M. Thomson 1965-6-19 90 Siskiyou Lava Beds National Monument, Captain Jacks Stronghold Comment
  CAS-BOT-BC204263  Elymus trachycaulus subsp. subsecundus David D. Keck 1949-7-20 6367 Siskiyou Meadow at Scott Mountain Summit, at Trinity County line 1633 Comment
  JEPS89972  Epilobium anagallidifolium Dean W. Taylor 1975-8-14 5453 Siskiyou between Shasta Ski area and Green Butte (Mt. Shasta); Mt. Shasta 2590 Comment
  RSA34384  Epilobium anagallidifolium W. Bridge Cooke 1947-8-20 17818 Siskiyou Around the water supply spring above Horse Camp, Mount Shasta. 2515 Comment
  CHSC88395  Epilobium brachycarpum Jenny Marr 1993-7-1 154 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  POM261177  Epilobium brachycarpum W. Bridge Cooke 1941-9-5 16280 Siskiyou Along the spring creek at MacBride Springs, Mount Shasta. 1524 Comment
  RSA142743  Epilobium ciliatum subsp. ciliatum P. A. Munz 1960-8-21 24206 Siskiyou 10 miles north of Weed. Comment
  SEINET8198342  Epilobium ciliatum subsp. glandulosum D. W. Taylor 2002-8-7 18299 Siskiyou Logging road below Tamarack Lake, East Fork of Trinity River; seepage area ca. 300 m South of area shown on topographic maps as "4991T", 0.2 miles North of the creek crossing 1547 Comment
  POM171594  Epilobium ciliatum subsp. glandulosum Doris K. Kildale 1928-8-19 6560 Siskiyou Hancock Lake, on trail to Marble Mt. 2134 Comment
  UC618829  Epilobium clavatum W. Bridge Cooke 1938-8-18 11479 Siskiyou along Summit Trail above Horse Camp; Mount Shasta, Horse Camp Springs 2514 Comment
  UCD77625  Epilobium clavatum Robert E. Preston 2001-7-21 1729 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 2066 Comment
  POM258978  Epilobium glaberrimum subsp. glaberrimum W. Bridge Cooke 1940-8-8 15417 Siskiyou Mt. Shasta: along Squaw Valley Creek below McCloud water supply intake 1372 Comment
  POM251082  Epilobium hallianum W. Bridge Cooke 1938-7-15 11208 Siskiyou Wagon Camp spring, Mt. Shasta. 1738 Comment
  RSA237580  Epilobium hallianum Frederick W. Oettinger 1969-8-14 1381 -b Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area 1738 Comment
  JEPS25836  Epilobium luteum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7450 Siskiyou along brook above and flanking Poker Flat (near trail to Twin Valley, about 12 mi nw of Happy Camp); Siskiyou Mts. 1524 Comment
  HSC60819  Epilobium minutum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  CAS-BOT-BC171867  Epilobium septentrionale Geo. D. Butler 1910-7-9 1727 Siskiyou Wooly Creek 1676 Comment
  CAS-BOT-BC58019  Equisetum Doris K. Kildale 1928-7-25 5899 Siskiyou Klamath River, at Mel's Creek near Hamburg. Comment
  CAS-BOT-BC57205  Equisetum hyemale subsp. affine Ira L. Wiggins 1955-7-23 13474 Siskiyou Banks of China Creek 1097 Comment
  UC42745  Equisetum hyemale subsp. affine M. A. Howe 1894-8-8 196 Siskiyou woods near Shasta Springs Comment
  RSA120856  Equisetum laevigatum G. D. Barbe 1957-7-13 376 Siskiyou Big flat public camp, Klamath National Forest. 1524 Comment
  UC909314  Eragrostis cilianensis Dorothy Parker 1948-8-24 227 Siskiyou East Fork of Scott River Plowman's Valley; , Plowman's Valley 1188 Comment
  CAS-BOT-BC204623  Eragrostis mexicana subsp. virescens Louis C. Wheeler 1934-10-6 3314 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 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
  HSC22141  Eremogone congesta J. O. Sawyer 1969-7-7 1074 Siskiyou S facing ridge above Big Duck Lake 2226 Comment
  HSC68530  Eremogone congesta Maralyn A. Renner 1980-6-24 1058 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  RSA0045089  Eremogone congesta R. F. Thorne 1969-8-2 63335 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Trail to upper English Lake along Salmon River. 1159 Comment
  CAS-BOT-BC168333  Eremogone congesta var. congesta Harley P. Chandler 1901-6-1 1674 Siskiyou Marble Mountain 2438 Comment
  CAS-BOT-BC168850  Eremogone congesta var. congesta Doris K. Kildale 1929-7-20 8583 Siskiyou East spur of Preston Peak above Rockefeller Lake 2133 Comment
  CAS-BOT-BC174233  Eremogone congesta var. congesta Carl B. Wolf 1934-7-5 5965 Siskiyou Siskiyou Mts., 3 6/10 mi. from Dry Lake Lookout on road to Horse Creek 1981 Comment
  CAS-BOT-BC174231  Eremogone congesta var. congesta M. B. Dunkle 1945-7-22 7238 Siskiyou Klamath National Forest. Big Elk Lake basin, Wooley Pocket 2072 Comment
  HSC68174  Ericameria greenei J. P. Smith, J. O. Sawyer 1972-9-12 5777 Siskiyou Scott Mtn., slopes E of Big Carmen Lake 1982 Comment
  RSA13895  Ericameria greenei L. C. Wheeler 1934-8-24 3220 Siskiyou Trapper Creek. 1860 Comment
  HSC5338  Ericameria nauseosa R. C. Wunner 1965-8-17 446 Siskiyou California Lava Beds National Monument; Indian Wells Campground 1433 Comment
  CAS-BOT-BC298246  Ericameria nauseosa var. oreophila Geo. D. Butler 1910-8-15 1839 Siskiyou Shasta Valley Comment
  SBBG30614  Erigeron D. Myrick 1968-6-27 2039 Siskiyou Mtn Meadow Ranch, Big Flat, head of Coffee Crk, Trinity Alps 1524 Comment
  UCR92627  Erigeron Kathy Harper, D. Karr 1994-6-16 s.n. Siskiyou Modoc National Forest, Forest Road 49 (Lava Beds/Medicine Lake Road), c. 1 mi north of southern boundary of Lava Beds National Monument 1402 Comment
  CAS-BOT-BC293500  Erigeron aliceae J. M. Tucker; L. K. Mann; S. L. Holloway 1963-8-18 3748 Siskiyou Upper Canyon Creek, ca. 1/2 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area 1920 Comment
  CAS-BOT-BC293506  Erigeron aliceae Elmer I. Applegate 1923-9-7 3950 Siskiyou Doggett Ridge, Siskiyou Mountains. Klamath River watershed Comment
  HSC61781  Erigeron aliceae Ruby Van Deventer 1938-7-29 Siskiyou Poker Flat 1585 Comment
  CDA4407  Erigeron austiniae Vernon H. Oswald & Lowell Ahart 1998-6-11 9214 Siskiyou Klamath National Forest boundary on Old State Highway, 1.5 miles south of the railroad crossing south of Mount Hebron. Comment
  CAS-BOT-BC294494  Erigeron bloomeri var. bloomeri John Thomas Howell 1939-8-8 15175 Siskiyou Black Mt., Marble Mts. Comment
  HSC44241  Erigeron bloomeri var. bloomeri M. A. Baker 1977-5-22 324 Siskiyou N facing slope of hill just S of Whipple Ranch 976 Comment
  UC163866  Erigeron bloomeri var. bloomeri Geo. D. Butler 1910-5-16 1350 Siskiyou Yreka Comment
  RSA184710  Erigeron bloomeri var. pubens Gilbert Muth 1966-7-22 436 Siskiyou Marble Rim, Marble Mountains 2195 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
  HSC33321  Erigeron cervinus William J. Ferlatte 1974-7-13 1514 Siskiyou South fork of Salmon River west of Big Flat. In cracks 400yd upstream from falls 1433 Comment
  JEPS57183  Erigeron compositus L. R. Heckard 1967-8-13 1692 Siskiyou near Mt. Eddy summit (on scree of s-facing slope); Mt. Eddy 2712 Comment
  HSC2404  Erigeron glacialis var. glacialis William J. Ferlatte 1966-8-17 400 Siskiyou Caribou Basin 1982 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
  HSC29237  Erigeron glacialis var. glacialis Frederick W. Oettinger, R. F. Thorne 1969-8-4 1174 Siskiyou Marble Mtn. Wilderness Area, English Peak area, N of Tobacco Lake 1890 Comment
  CAS-BOT-BC295390  Erigeron inornatus L. E. Smith 1913-7-24 490 Siskiyou McCloud Comment
  OBI80251  Erigeron inornatus David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  SEINET5708484 Image available Erigeron inornatus var. inornatus Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7702 Siskiyou Scott Mtns. Collected along Road 17, 11.8 mi SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1955 Comment
  UC895896  Erigeron inornatus var. inornatus Alice Eastwood 1912-9-4 2098 Siskiyou Sisson 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
  JEPS109830  Erigeron nivalis Dean W. Taylor 2006-8-8 19578 Siskiyou Dry Creek Peak (ridge ca. 12 air miles NE of Mt Shasta summit, at headwaters Antelope Creek 2194 Comment
  HSC92619  Erigeron petrophilus var. viscidulus Jennifer Whipple 1977-8-6 2221 Siskiyou Dobkins Lake drainage on E facing slope above Dobkins Lake 2256 Comment
  HSC30272  Erigeron petrophilus var. viscidulus William J. Ferlatte 1971-9-18 1383 Siskiyou Sawtooth Ridge between Caribou Basin and Stuarts Fork 2287 Comment
  CDA5862  Erigeron philadelphicus L. Ahart, J. Dittes 2005-6-1 12082 Siskiyou About 90 yards east of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 cutoff, about 6 miles (air) east-southeast of Grenada. Comment
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Oct 5 2019
  UC1190271  Erigeron philadelphicus var. philadelphicus Ira L. Wiggins 1955-7-25 13506 Siskiyou Mountain View Ranch, ditch head on Rush Creek Rush Creek 1005 Comment
  HSC92780  Erigeron tener Jennifer Whipple 1976-7-25 1578 Siskiyou N face of Mt. Eddy 2500 Comment
  CAS-BOT-BC224134  Eriodictyon californicum L. R. Short 1933-5-30 121 Siskiyou Klamath National Forest 579 Comment
  JEPS83816  Eriogonum alpinum L. R. Heckard 1967-8-13 1687 Siskiyou Mt. Eddy; near summit 2712 Comment
  CAS-BOT-BC33630  Eriogonum compositum var. compositum Alice Eastwood; John Thomas Howell 1934-4-20 1767 Siskiyou Near Yreka along Shasta River Comment
  HSC42997  Eriogonum compositum var. compositum J. P. Smith, Steve Selva 1970-6-15 3950 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  HSC43398  Eriogonum compositum var. compositum K. T. Stillman 1976-7-7 156 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  CAS-BOT-BC250074  Eriogonum compositum var. compositum Geo. D. Butler 1909-5-14 720 Siskiyou Klamath River bluffs Comment
  CAS-BOT-BC105085  Eriogonum congdonii R. C. Wenk 2008-7-25 950 Siskiyou Road to Kangaroo Lake, 4.3 miles S of turnoff from Gazelle-Callahan Rd. 1615 Comment
  CAS-BOT-BC242530  Eriogonum congdonii Julie Kierstead Nelson; Rhonda Posey; Ross Olson 2007-8-1 2007 -028 Siskiyou The Eddys, west of Mt. Shasta. East of Toad Lake trailhead, terminus of Forest Service Rd. 40N64, headwaters of Middle Fork of upper Sacramento River 2051 Comment
  SEINET11937883  Eriogonum congdonii Unknown 1953-1 124 Siskiyou Blue Point, Scott Mt. Public Campground, Klamath Nat'l Forest 1631 Comment
  HSC49939  Eriogonum diclinum G. L. Clifton, Ground 1978-7-30 2437 Siskiyou Near Big Rock 2059 Comment
  UCD99916  Eriogonum elatum var. elatum Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou east side of Marble Mountain, Marble Mountains. Comment
  JEPS25874  Eriogonum hirtellum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7458 Siskiyou ridge-top between Indian Creek drainage (N. Fk. Twin Valley Creek) and Illinois River drainage (Dunn Creek) (boundary line of Del Norte and Siskiyou Counties); Preston Pk. quadr. 15 1956; between Indian Creek drainage & Illinois River drainage, boundary line of Del Norte & Siskiyou Cos. 1615 Comment
  JEPS116875  Eriogonum hirtiflorum David Gowen 2007-7-12 780 Siskiyou South of the town of Lake Shastina. Along dirt road to dump/dirt storage area off of Big Springs Rd., and just north of Jackson Ranch Rd. Comment
  CAS-BOT-BC263662  Eriogonum luteolum var. luteolum Carl B. Wolf 1927-8-26 1010 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  HSC43460  Eriogonum marifolium Jennifer Whipple 1976-7-7 1318 Siskiyou Summit region of Mt. Eddy 2530 Comment
  UC849522  Eriogonum marifolium John Thomas Howell 1937-7-26 13517 Siskiyou Caribou Basin Salmon-Trinity Alps, Caribou Basin 1981 Comment
  UCD100399  Eriogonum marifolium Dean Wm. Taylor 1975-8-14 5460 Siskiyou Mt. Shasta; between Shasta Ski area and Green Butte. 2590 Comment
  CAS-BOT-BC263190  Eriogonum marifolium var. cupulatum A. A. Heller 1922-7-15 13694 Siskiyou At Medicine Lake 2133 Comment
  CAS-BOT-BC267390  Eriogonum marifolium var. marifolium A. A. Heller 1939-7-31 15429 Siskiyou Junction of the Horse Camp and Panther Meadow roads. Mt. Shasta 2286 Comment
  UC1540014  Eriogonum microthecum var. ambiguum Mitchell 1936-5-9 12 Siskiyou sse sloipe of Schonchin Butte Lava Beds National Monument, Schonchin Butte 1569 Comment
  CAS-BOT-BC261676  Eriogonum nudum var. nudum Milo S. Baker 1926-7-17 63 -'26 Siskiyou Summit S. Fork Mt. 5 mi. N. of Highway Comment
  HSC43447  Eriogonum nudum var. nudum Jennifer Whipple 1976-7-8 1360 Siskiyou Dobkins Lake drainage on E slopes above Dobkins Lake 2256 Comment
  JEPS83897  Eriogonum nudum var. nudum Wayne Roderick July 1976 Siskiyou roadcut of s side Cook and Green Pass; Siskiyou Mountains Comment
  RSA165637  Eriogonum nudum var. nudum Clare B. Hardham 1961-6-30 7992 Siskiyou Siskiyou Mountains: White Mt. Comment
  RSA393331  Eriogonum nudum var. nudum L. S. Rose 1937-6-26 37601 Siskiyou 3 miles east of Mt. Shasta City. 1372 Comment
  UC849763  Eriogonum nudum var. oblongifolium A. A. Heller 1916-9-1 12641 Siskiyou near Yreka Comment
  CAS-BOT-BC272488  Eriogonum nudum var. pubiflorum Geo. D. Butler 1908-7-5 213 Siskiyou Near Yreka Comment
  UCD77662  Eriogonum nudum var. pubiflorum Robert E. Preston 2001-6-23 1566 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  UCR31684  Eriogonum nudum var. pubiflorum John C. Roos 1948-9-2 3976 Siskiyou Fort Jones 915 Comment
  CAS-BOT-BC272494  Eriogonum nudum var. pubiflorum Frank W. Peirson 1923-7-19 4209 Siskiyou Camp on Whitney Creek, Mt. Shasta Comment
  HSC27100  Eriogonum nudum var. pubiflorum Thomas W. Nelson 1973-7-12 1072 Siskiyou At Callaghan Comment
  SD22390  Eriogonum nudum var. pubiflorum Susan G. Stokes 1932-7-14 Siskiyou Near Yreka Comment
  CAS-BOT-BC383120  Eriogonum pyrolifolium Andrew Townesmith; Karen M. Meyer 2007-7-30 866 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta 2399 Comment
  UC572791  Eriogonum pyrolifolium W. Bridge Cooke 1937-7-28 9159 Siskiyou Mt. Shasta 2590 Comment
  CAS-BOT-BC252962  Eriogonum pyrolifolium var. pyrolifolium R. H. Bohmannson 1926-7-1 s.n. Siskiyou Mt. Shasta Comment
  CAS-BOT-BC268581  Eriogonum siskiyouense James L. Reveal; Darin S. Reveal 1978-8-8 4803 Siskiyou Along the road to Big Carmen Lake, about 1 mile north of Scott Mountain Summit on California Highway 3, 0.2 mile southeast of the road toward Scott Mountain 1706 Comment
  CHSC67580  Eriogonum siskiyouense James D. Jokerst 1992-7-30 3415 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
  HSC43442  Eriogonum siskiyouense Jennifer Whipple 1976-9-3 1771 Siskiyou Near Little Crater Lake 2195 Comment
  JEPS82246  Eriogonum siskiyouense Roger Raiche 1983-8-14 30614 Siskiyou fell-field slope near summit of road to Mt. Eddy (<road> A.K.A. road to Dead Fall Meadow, Park Creek Rd. or Forest Rd. 42N17) 2133 Comment
  CAS-BOT-BC271963  Eriogonum sphaerocephalum var. halimioides M. K. Curran 1887-7-1 s.n. Siskiyou Gazelle Comment
  SEINET3160083  Eriogonum sphaerocephalum var. halimioides G. D. Butler 1910-5-27 1428 Siskiyou Yreka Comment
  SEINET10623960 Image available Eriogonum strictum subsp. proliferum Edward L. Greene 1876-7-7 Greene 918 Siskiyou Collected near Yreka. Siskiyou County, California. Comment
  HSC43451  Eriogonum strictum var. proliferum Jennifer Whipple 1976-7-24 1551 Siskiyou Mt. Eddy, SW of Dobkins Lake 2256 Comment
  JEPS56463  Eriogonum strictum var. proliferum Geo. D. Butler 1909-6-19 970 Siskiyou Stones Hill Yreka Comment
  HSC77292  Eriogonum ternatum L. P. Janeway 1983-8-7 515 Siskiyou Peak 5148 near end of USFS Rd. 17N32 19 mi. from Indian Creek Rd. 1555 Comment
  CAS-BOT-BC267950  Eriogonum umbellatum Elmer I. Applegate 1935-6-11 9503 Siskiyou Upper Ice Cave area, Lava Beds National Monument Comment
  HSC69206  Eriogonum umbellatum Maralyn A. Renner 1980-9-1 2679 Siskiyou Bear Mtn. 1936 Comment
  UCSB25088  Eriogonum umbellatum Keefe, Joseph 1967-7-11 Siskiyou Little Castle Lake, southeast of Castle Lake, 10 miles southwest of city of Mt. Shasta 1981 Comment
  HSC2394  Eriogonum umbellatum var. argus William J. Ferlatte 1966-8-18 424 Siskiyou Willow Creek Trail. 1707 Comment
  POM211786  Eriogonum umbellatum var. argus Louis C. Wheeler 1934-9-1 3234 Siskiyou Siskiyou Mountains, Jaynes Canyon. 1951 Comment
  RSA211275  Eriogonum umbellatum var. argus William J. Ferlatte 1967-8-23 1083 Siskiyou Head of Kidd Creek, east side of Black Mtn. 2439 Comment
  UC637042  Eriogonum umbellatum var. argus Edward Lee 1934-8-14 1103 Siskiyou summit of Little Grayback, Siskiyou-Del Norte County line Little Grayback 1868 Comment
  UC922357  Eriogonum umbellatum var. argus Annie M. Alexander and Louise Kellogg 1949-7-29 5900 Siskiyou above Sky High L. (trail to Hidden L.); Marble Mountains, Sky High Valley 1767 Comment
  SEINET7545232  Eriogonum umbellatum var. argus J. L. Reveal, M. L. Reveal 1975-1 3955 Siskiyou Siskiyou Mts. Klamath National Forest, along the Dry Lake Lookout Rd., 0.5 mi. W of Dry Lake Lookout near the Buckthorn Trail 2042 Comment
  JEPS56188  Eriogonum umbellatum var. dumosum Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou near Mt. Shasta; Horseshoe Bend Comment
  CAS-BOT-BC268157  Eriogonum umbellatum var. humistratum Mrs. H. P. Bracelin 1931-6-21 455 Siskiyou North side of Mt. Eddy above Dobkin's Lake 2133 Comment
  HSC19518  Eriogonum umbellatum var. humistratum J. O. Sawyer 1969-7-25 1547 Siskiyou W of High Lake 2256 Comment
  HSC24103  Eriogonum umbellatum var. humistratum J. O. Sawyer 1969-8-2 1713 Siskiyou Summit W of Little Duck Lake 2409 Comment
  RSA0033766  Eriogonum umbellatum var. humistratum Barbara Ertter 1990-7-14 9327 Siskiyou Wagon Creek on E side of Mt. Eddy, ca. 4 airmiles W of Mt. Shasta City; open rocky dry ridge S of & above creek. 1950 Comment
  HSC43410  Eriogonum umbellatum var. humistratum K. T. Stillman 1976-7-7 169 Siskiyou Marble Mtn. Wilderness Area, upper slope 2073 Comment
  JEPS107389  Eriogonum umbellatum var. polyanthum Lowell Ahart, John Dittes 2005-6-10 12085 Siskiyou Rocky hillside, 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 776 Comment
  SD88332  Eriogonum umbellatum var. polyanthum D. F. Howe 1972-7-8 Siskiyou 9.5 miles north of Weed on #97 853 Comment
  CAS-BOT-BC262181  Eriogonum umbellatum var. versicolor J. Sawyer; J. Cole 1980-7-20 3793 Siskiyou East side of Grouse Hill Comment
  SEINET4856202  Eriogonum ursinum var. erubescens Unknown 2002-8-5 8371 Siskiyou Scott Bar Mountains, n and w slope and ridge of Deadwood Baldy Peak, Klamath National Forest. 1675 Comment
  CAS-BOT-BC262371  Eriogonum vimineum Alice Eastwood; John Thomas Howell 1937-6-25 5023 Siskiyou Callahan Comment
  CAS-BOT-BC262373  Eriogonum vimineum E. K. Balls 1949-7-10 13967 Siskiyou 1 mile from Cecilville on way to Forks of Salmon 716 Comment
  HSC19531  Eriophorum crinigerum J. O. Sawyer 1969-8-4 1874 Siskiyou S of S Sugar Lake 2104 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
  CAS-BOT-BC301098  Eriophyllum lanatum var. achilleoides J. H. Chastain 1917-6-1 s.n. Siskiyou Gazelle Comment
  UC1035411  Eriophyllum lanatum var. achilleoides David D. Keck 1953-7-31 6535 Siskiyou 3.5 mi s of Grass Lake (Deer Mountain Service Station) Comment
  UC163891  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-5-23 1399 Siskiyou Humbug Mountain 1066 Comment
  UC1299257  Eriophyllum lanatum var. lanceolatum Freed W. Hoffman 1950-7-11 3535 Siskiyou 8.4 mi n Klamath River (on Cedar Camp road, w Siskiyou County) 914 Comment
  RSA165610  Eriophyllum lanatum var. lanceolatum Clare B. Hardham 1961-6-30 8000 Siskiyou Near White Mt. Comment
  NY168706  Eriophyllum rixfordii S. P. Rixford 1913-1 s.n. Siskiyou South side of Shaft Rock Mountain, near Hilt Comment
  JEPS19770  Eryngium articulatum Rimo Bacigalupi with S. Galen Smith 1957-6-27 5972 Siskiyou ca. 2 1/2 mi. n.w. Weed (close to U.S. Hwy. 99) 1005 Comment
  UC140590  Eryngium articulatum unknown 1900-8-9 Siskiyou Shasta Region, Sisson's Comment
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Jan 18 2012
  RSA264997  Erysimum capitatum Gilbert Muth 1975-7-29 5366 Siskiyou Near Kangaroo Mtn. Near Seiad Valley. 1756 Comment
  CAS-BOT-BC54587  Erysimum capitatum F. D. Douthitt 1919-5-17 12 Siskiyou Rattlesnake Ridge. 1066 Comment
  CHSC71605  Erythranthe linearifolia Vernon H. Oswald; Lowell Ahart 1998-8-3 9419 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 41N10. 1554 Comment
  SEINET12044932  Erythronium citrinum E. I. Applegate 1932-1 7059 Siskiyou Quartz Valley, near Fort Jones Comment
  CDA39343  Erythronium oregonum subsp. leucandrum D. Osterhandt & D. H. Shaw 1979-5-3 s.n. Siskiyou Near Sawyers Bar 0 Comment
  HSC36720  Eschscholzia californica Brent Whiteley 1975-6-22 24 Siskiyou 220 Comment
  JEPS124522 Image available Eschscholzia californica J. Yamanaka 1965-7-13 137 Siskiyou McCloud Highway 89 m. Center of town. Comment
  SD51280  Eschscholzia californica Darley F. Howe 1961-8-3 3130 Siskiyou 35.3 miles east of Happy Camp on Highway 96. 456 Comment
  CAS-BOT-BC310449  Eucephalus engelmannii J. F. Emmel 1968-7-23 93 Siskiyou Caribou Lake, Trinity Alps 2072 Comment
  RSA238773  Eucephalus engelmannii Frederick W. Oettinger 1968-8-16 548 Siskiyou Along trail on NW side of Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area 1936 Comment
  HSC695  Eucephalus ledophyllus var. ledophyllus William J. Ferlatte 1967-8-23 1108 Siskiyou Head of Kidd Creek 2134 Comment
  CAS-BOT-BC383118  Eucephalus tomentellus Andrew Townesmith; Karen M. Meyer 2007-7-28 863 Siskiyou Shasta-Trinity National Forest. Along Forest Service route 26, 4.1 miles west of forest boundary 1277 Comment
  RSA237264  Euonymus occidentalis Frederick W. Oettinger 1967-6-28 131 Siskiyou Kelly Gulch (tributary to Salmon River). The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 616 Comment
  JEPS25539  Euphorbia crenulata Rimo Bacigalupi with Lincoln Constance 1959-6-16 7155 Siskiyou ne of (and above) Mt. Shasta (town) (w slope of Mt. Shasta); Mt. Shasta 1414 Comment
  HSC68016  Euphorbia esula J. P. Smith, Steve Selva 1970-7-17 4446 Siskiyou 915 Comment
  CAS-BOT-BC310634  Eurybia radulina Alice Eastwood 1912-7-21 1281 Siskiyou Sisson Comment
  CAS-BOT-BC278738  Festuca idahoensis Louis C. Wheeler 1934-6-7 2658 Siskiyou North Hungry Creek, Siskiyou Mts. 1219 Comment
  HSC102709  Festuca idahoensis J. P. Smith 2013-6-17 13742 Siskiyou Tennat-Bray. 1485 Comment
  RSA414219  Festuca idahoensis M. B. Dunkle 1945-7-22 s.n. Siskiyou Marble Mts., Klamath National Forest. Comment
  RSA582090  Festuca idahoensis L. C. Wheeler 1934-6-10 2678 Siskiyou North Hungry Creek. Siskiyou Mountains. 1311 Comment
  UC70744  Festuca idahoensis T. H. Gilbert 1899-7-15 Siskiyou Scott River Valley Comment
  POM198352  Festuca occidentalis Geo D. Butler 1910-7-12 1752 Siskiyou Shackleford Creek. 1220 Comment
  RSA22127  Festuca occidentalis J. T. Howell 1937-7-22 13259 Siskiyou South Fork of Salmon River near Big Flat, Siskiyou Co. 1524 Comment
  UCD37078  Festuca occidentalis Beecher Crampton 1956-8-21 3811 Siskiyou 15 miles southwest of city of Mount Shasta, slope above Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  UCD66114  Festuca occidentalis Beecher Crampton 1956-8-21 3814 Siskiyou 15 miles southwest of city of Mount Shasta, slope above Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  UC197109  Festuca pratensis Geo. D. Butler 1909-8-16 862 Siskiyou near Yreka (along creek) Comment
  CAS-BOT-BC279071  Festuca rubra A. A. Heller 1921-7-17 13580 Siskiyou Slope of Mt. Eddy west of Wagon Creek 2133 Comment
  CAS-BOT-BC279073  Festuca rubra David D. Keck 1949-7-19 6357 Siskiyou 6.5 mi. SW of Yreka on road to Ft. Jones, nr. head of Yreka Creek 1127 Comment
  UC555501  Fragaria vesca D. Tebbe 1929-7-1 10 Siskiyou Mt. Eddy at Donkey Camp; Mt. Eddy Comment
  HSC33926  Fragaria virginiana J. O. Sawyer 1968-6-18 244 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  HSC69376  Fragaria virginiana J. O. Sawyer, J. Cole 1980-7-19 3680 Siskiyou Near FS Rd. 45N0 2018 Comment
  CAS-BOT-BC59977  Frangula purshiana Alice Eastwood 1912-7-23 1333 Siskiyou Cantaria. Comment
  CAS-BOT-BC60012  Frangula purshiana Elmer I. Applegate 1895-5-31 64 b Siskiyou Sisson, Mt. Shasta. Comment
  RSA78678  Frasera albicaulis var. nitida P. A. Munz 1952-7-2 17871 Siskiyou Road to Baldy Mountain, northwest of Happy Camp, Siskiyou Mountains. 1494 Comment
  UC1045281  Fraxinus latifolia W. Bridge Cooke 1940-6-20 15174 Siskiyou below Hornbrook (along banks of Klamath River); Klamath River Comment
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Aug 20 2012
  CAS-BOT-BC502838  Fritillaria atropurpurea Wm. F. Herrin 1922-5-1 s.n. Siskiyou Shasta Springs Comment
  CHSC9125  Fritillaria pudica J. L. Wilson 1970-3-23 221 Siskiyou 7.6 mi. North of Yreka, on old Interstate 5 road. 1.5 mi. South of intersection of Highway 96 and I. 5. 670 Comment
  UCD121552  Galium ambiguum G. L. Stebbins Jr.; A. A. Beetle 1942-6-1 3270 Siskiyou 15 miles north of Happy Camp, above Indian Creek. 1219 Comment
  CHSC91392  Galium aparine Lowell Ahart; John Dittes 2005-6-10 12091 Siskiyou Rocky hill, north of the rock fence, about 200 yards east of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  UC28171  Galium aparine T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UCD121734  Galium aparine J. M. Tucker 1950-7-23 1935 Siskiyou West of Mount Shasta High School, town of Mount Shasta. Comment
  UCD121595  Galium bifolium G. J. Muth 1975-7-30 5876 Siskiyou Near Lily Pad Lake, near Seiad Valley. 1584 Comment
  UCD121596  Galium bifolium G. J. Muth 1975-7-29 5878 Siskiyou Near Kangaroo Mountain, near Seiad Valley. 1755 Comment
  JEPS6707  Galium bolanderi Geo. D. Butler 1908-6-28 414 Siskiyou roadside Oro Fino Comment
  UC888781  Galium bolanderi John Thomas Howell 1937-7-26 13553 Siskiyou Caribou Gulch Comment
  RSA67150  Galium bolanderi Louis C. Wheeler 1934-8-30 3228 Siskiyou Trapper Creek. Siskiyou Mts. 1585 Comment
  UC416635  Galium bolanderi Milo S. Baker 1899-7-17 Siskiyou Lava Beds Fall River Valley Comment
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Jan 16 2007
  UCSB17328  Galium bolanderi Hardham, Clare 1961-7-2 Siskiyou Scott River south of Steelhead Comment
  CAS-BOT-BC94861  Galium glabrescens subsp. glabrescens R. C. Wenk 2006-7-23 526 Siskiyou Trinity Alps, Coffee Creek Road, Big Flat Meadow, along Yellow Rose Mine Trail to Dorleska Mine 2118 Comment
  HSC90533  Galium glabrescens subsp. glabrescens Jennifer Whipple 1976-6-30 1192 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  UC1185275  Galium glabrescens subsp. glabrescens H. E. Brown Jun 1 1897-Jun 15 1897 435 Siskiyou n side Mt. Shasta 1524 Comment
  HSC62270  Galium muricatum Al Hobart 1968-8-20 Siskiyou Young's Valley Comment
  HSC22471  Galium triflorum J. O. Sawyer 1968-6-18 193 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC61157  Galium triflorum Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  RSA184795  Galium triflorum Gilbert Muth 1966-7-29 461 Siskiyou By waterfall. Marble Valley. Marble Mtns. 1799 Comment
  CAS-BOT-BC200584  Garrya buxifolia Geo. D. Butler 40 Siskiyou On West Fork of Woolly Creek 1524 Comment
  CAS-BOT-BC182245  Garrya fremontii C. B. Wolf 1931-9-2 s.n. Siskiyou 4 miles above junction of McCloud Road with the Pacific Highway 1188 Comment
  HSC40240  Garrya fremontii J. P. Smith 1976-5-5 8690 Siskiyou Road between Sawyers Bar and Somes Bar 488 Comment
  RSA485909  Garrya fremontii G. Dahling 1973-06 1270 Siskiyou About 21.5 miles southwest of Cave Junction. Comment
  HSC26905  Gaultheria humifusa J. P. Smith 1971-9-17 4782 Siskiyou Little Duck Lake 1921 Comment
  HSC30576  Gaultheria ovatifolia Frederick W. Oettinger 1969-7-14 1011 Siskiyou Marble Mountain Wilderness Area, N shore line of Charmaine Lake 1921 Comment
  HSC184  Gayophytum diffusum subsp. parviflorum William J. Ferlatte 1966-8-3 256 Siskiyou Mtn. Meadow Ranch 1524 Comment
  RSA34393  Gayophytum diffusum subsp. parviflorum W. Bridge Cooke 1947-8-9 17791 Siskiyou Around Horse Camp, Mount Shasta. 2439 Comment
  JEPS27525  Gayophytum heterozygum W. L. Jepson 1914-8-9 5744 Siskiyou McCloud 1036 Comment
  POM258620  Gayophytum heterozygum W. Bridge Cooke 1940-7-12 15340 Siskiyou Mount Shasta: along the Memorial Highway below MacBride Springs. 1372 Comment
  RSA600377  Gayophytum humile Louis C. Wheeler 1935-6-27 3594 Siskiyou Marble Mountains: Etna Creek. 1524 Comment
  SEINET12193190  Gayophytum humile C. G. Pringle 1882-1 s.n. Siskiyou Mts. about the head waters of the Sacramento River 2134 Comment
  CAS-BOT-BC376175  Gentiana calycosa Andrew Townesmith; Karen M. Meyer 2007-8-1 878 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway) 1983 Comment
  CHSC659  Gentiana calycosa E. G. England 1939-7-16 Siskiyou Mt. Eddy. 2286 Comment
  RSA392179  Gentiana calycosa M. B. Dunkle 1945-1 9349 Siskiyou Klamath National Forest, Marble Mountains. 2439 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
  HSC524  Gentiana newberryi William J. Ferlatte 1966-8-17 388 Siskiyou Caribou Basin 1982 Comment
  JEPS24353  Gentiana plurisetosa Geo. D. Butler 1910-7-9 1709 Siskiyou Shackleford Creek 1219 Comment
  JEPS24817  Gentianella tenella subsp. tenella Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6831 Siskiyou just n and below Scott Mountain road summit 1615 Comment
  UC166618  Geum macrophyllum Geo. D. Butler 1910-6-5 1506 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC459621  Geum macrophyllum Geo. D. Butler 1910-6-5 1506 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC459623  Geum macrophyllum H. A. Thomas; J. H. Thomas 1954-7-21 4436 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek. 1219 Comment
  RSA86642  Geum triflorum E. E. Stanford 1930-8-14 2087 Siskiyou Below summit of Sonora Pass. 2896 Comment
  UC879897  Gilia capitata subsp. capitata Alice Eastwood 1912-7-17 1165 Siskiyou Sisson Comment
  JEPS101158  Glossopetalon spinescens var. aridum Dean W. Taylor 1996-6-18 15703 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 Comment
  HSC26629  Glyceria elata J. P. Smith, Steve Selva 1970-6-16 4061 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  HSC69215  Glyceria striata Maralyn A. Renner 1980-7-24 2087 Siskiyou Lily Pad Lake 1768 Comment
  SDSU1119  Glyceria striata D. F. Howe 1962-8-4 3387 Siskiyou Baldy Mt., in pool of water. 1524 Comment
  POM211383  Gnaphalium thermale L. C. Wheeler 1934-7-24 2958 Siskiyou Long John Creek, Siskiyou Mts. Mt. Diablo Meridian. 1402 Comment
  HSC4414  Grayia spinosa R. C. Wunner 1965-6-13 157 Siskiyou Lava Beds National Monument, Petroglyph Section, S face 1220 Comment
  CAS-BOT-BC419706  Hackelia bella Mary Merello; H. H. Schmidt; L. Woodruff 1993-6-23 702 Siskiyou Shasta Trinity National Forest County Road A-10 (Everitt Memorial Hwy.) along roadside at the John Everitt Vista Point. 1800 Comment
  UC1063908  Hackelia cusickii M. H. Mitchell 1936-5-21 Siskiyou s of road to Devils Gate Lava Beds National Monument; Modoc National Forest 1310 Comment
  HSC22134  Hackelia micrantha J. O. Sawyer 1969-7-9 1200 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  HSC44848  Hastingsia alba J. P. Smith, Steve Selva 1970-6-15 3984 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  UC1041016  Hastingsia alba J. W. Congdon 1900-8-8 Siskiyou near Sisson; near Sisson Comment
  CAS-BOT-BC504615  Hastingsia alba A. A. Heller 1919-6-25 13268 Siskiyou Compton's prairie, north base of Mt. Eddy 1158 Comment
  CAS-BOT-BC504621  Hastingsia alba L. E. Smith 1913-7-12 482 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC504623  Hastingsia alba Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  RSA299411  Hastingsia alba W. L. Jepson 1914-8-13 5789 Siskiyou Sisson. 1098 Comment
  CAS-BOT-BC302455  Hazardia whitneyi var. discoidea Peter H. Raven 1956-9-4 10378 Siskiyou Ridge s. of Mt. Eddy 2286 Comment
  JEPS16948  Hazardia whitneyi var. discoidea Peter H. Raven 1956-9-4 10378 Siskiyou on the ridge s Mount Eddy 2286 Comment
  UC892017  Hazardia whitneyi var. discoidea Louis C. Wheeler 1934-8-5 3045 Siskiyou Condrey Mt., Mt. Diablo Mer Siskiyou Mts., Condrey Mt. 2164 Comment
  UC165252  Helenium autumnale Geo. D. Butler 1908-8-30 319 Siskiyou near Fort Jones; Scott River Comment
  CAS-BOT-BC306748  Helenium bigelovii H. A. Thomas; J. H. Thomas 1954-7-23 4454 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Growing between Mt. View Cabin and S. Fork of Salmon River 914 Comment
  POM359786  Helenium bigelovii B. C. Templeton 1957-6-23 s.n. Siskiyou S slope of Scott Mt., between Trinity County line and Bear Creek. Comment
  POM68442  Helenium bigelovii Geo D. Butler 1908-8-2 318 Siskiyou Log Lake, Shackleford Creek. Comment
  CAS-BOT-BC314844  Helianthella californica var. shastensis Harley P. Chandler 1901-6-1 1535 Siskiyou Klamath River 426 Comment
  POM360344  Hemizonia fasciculata Cora Mae Life 1923-08 14394 Siskiyou Near Horse Camp, Mt. Shasta. Comment
  RSA256713  Hesperochiron pumilus J. P. Smith 1974-5-26 7564 Siskiyou Along Forest Service Road 47N03. 1524 Comment
  SJSU3566  Heterocodon rariflorum D. Funnell 1965-7-13 142 Siskiyou c. 2 mi SE of Bartle on State Rte 89 1158 Comment
  CDA17142  Heterotheca oregona G. F. Hrusa 2001-6-6 15856 Siskiyou Siskiyou Mountains; Along Hwy 96 at Scott R. Bridge. 426 Comment
  CAS-BOT-BC311095  Heterotheca oregona var. rudis A. A. Heller 1917-9-7 12976 Siskiyou Unspecified 914 Comment
  CAS-BOT-BC210242  Heterotheca villosa var. minor Dana York 2011-8-12 3049 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain ridge 2055 Comment
  JEPS94695  Heterotheca villosa var. minor Vernon H. Oswald and Lowell Ahart 1998-9-8 9607 Siskiyou 2 air mi nw of Indian Springs Mountain (USFS 3 0.1 mi w of Julia Glover Flat, 6 air mi w of Mosquito Lake and Whitehorse Flat Reservoir) 1127 Comment
  CAS-BOT-BC312301  Heterotheca villosa var. minor Gilbert Muth 1966-7-25 453 Siskiyou Marble Rim 2072 Comment
  UC530058  Heuchera merriamii Louis C. Wheeler 1934-8-9 3079 Siskiyou head of Jaynes Canyon; Siskiyou Mts 1920 Comment
  CAS-BOT-BC420733  Heuchera merriamii Gilbert Muth 1965-8-11 s.n. Siskiyou In upper meadows, Marble Valley Comment
  RSA0066186  Heuchera merriamii Frederick W. Oettinger 1968-8-4 386 Siskiyou Trail N of Crapo Peak ridge. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2195 Comment
  UC1333337  Heuchera merriamii Dorothy Parker 1949-8-3 353 Siskiyou above Paradise Lake; Siskiyou Moauntains, Salmon Mt 1981 Comment
  CAS-BOT-BC420719  Heuchera micrantha M. B. Dunkle 1945-7-19 9224 Siskiyou Sky-High Bluffs, Klamath forest 2194 Comment
  HSC22256  Heuchera rubescens J. O. Sawyer 1969-7-24 1487 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  CAS-BOT-BC319696  Hieracium albiflorum Alice Eastwood 1921-7-28 10887 Siskiyou Medicine Lake Comment
  JEPS36577  Hieracium albiflorum Geo. D. Butler 1908-8-3 345 Siskiyou Shackelford Creek Log Lake, Shackelford Creek 1524 Comment
  OBI80260  Hieracium albiflorum David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  UC1190256  Hieracium albiflorum Ira L. Wiggins 1955-7-21 13435 Siskiyou 2 mi above Mt. View Ranch (Rush Creek Trail); Rush Creek Trail 1097 Comment
  HSC92162  Hieracium bolanderi Jennifer Whipple 1976-7-24 1549 Siskiyou SW of Dobkins Lake along the drainage into the lake 2226 Comment
  RSA142677  Hieracium gracile P. A. Munz 1960-8-22 24176 Siskiyou Panther Meadows, Mt. Shasta. 2317 Comment
  HSC74820  Hieracium horridum J. P. Smith, Jennifer Whipple 1978-7-2 9980 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  UC897886  Hieracium nudicaule Alice Eastwood 1912-7-15 1083 Siskiyou McCloud Comment
  CAS-BOT-BC316010  Hieracium nudicaule A. A. Heller 1921-6-29 13561 Siskiyou Along the Mt. Shasta trail near the town of Mt. Shasta Comment
  CAS-BOT-BC316028  Hieracium scouleri Doris K. Kildale 1929-7-20 8633 Siskiyou Trail up South Fork of Indian Creek to Elk Lick 1371 Comment
  HSC36473  Hieracium scouleri J. O. Sawyer 1969-7-25 1525 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  HSC76864  Hieracium scouleri K. T. Stillman 1976-9-9 478 Siskiyou Marble Mountain Wilderness Area. Big Rock Camp- Elk Valley Trail 1921 Comment
  HSC41090  Hieracium scouleri J. O. Sawyer 1969-8-18 1985 Siskiyou Near trail below S Sugar Lake 2073 Comment
  CAS-BOT-BC320104  Hieracium triste J. M. Tucker; L. K. Mann 1963-8-19 3783 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area 1920 Comment
  HSC44982  Holodiscus discolor J. O. Sawyer 1978-6-21 3286 Siskiyou Marble Mtn. Wilderness Area, along trail N of Clear Lake 1951 Comment
  HSC62599  Holodiscus discolor Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  HSC4859  Holodiscus microphyllus var. glabrescens J. O. Sawyer 1968-6-18 227 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  RSA273401  Holodiscus microphyllus var. glabrescens J. P. Smith 1972-8-18 5750 Siskiyou Medicine Lake Glass Flow. 2012 Comment
  CAS-BOT-BC388568  Holosteum umbellatum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53372 Siskiyou Grenada 792 Comment
  UCD98181  Holosteum umbellatum subsp. umbellatum J. T. Howell; T. C. Fuller, G. D. Barbe 1980-4-28 2577 Siskiyou Grenada. 800 Comment
  CAS-BOT-BC289280  Hordeum brachyantherum subsp. brachyantherum L. P. Janeway 1983-8-26 590 Siskiyou At Poker Flat, Siskiyou Mountains 1524 Comment
  SACT001296  Hordeum nodosum Geo Butler 1910-6-5 Siskiyou Comment
  CAS-BOT-BC143953  Horkelia daucifolia Geo. D. Butler 1910-5-4 1272 Siskiyou Near Yreka Comment
  CHSC57449  Horkelia daucifolia L. P. Janeway 1984-6-22 870 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08/ 1645 Comment
  RSA47631  Horkelia daucifolia Roxana S. Ferris, Laura Lorraine 1948-6-12 11709 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], East Fork of Scott River Comment
  HSC49900  Horkelia daucifolia var. daucifolia Maralyn O'Meara 1974-5-25 439 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  HSC75114  Horkelia daucifolia var. daucifolia J. P. Smith, Thomas W. Nelson 1979-6-15 10125 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  HSC82562  Horkelia daucifolia var. daucifolia Thomas W. Nelson, Jane P. Nelson 1979-5-26 4717 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  CAS-BOT-BC536222  Horkelia fusca var. parviflora Alice Eastwood 1921-7-29 10981 Siskiyou Bear Spring on raod to Medicine Lake Comment
  CAS-BOT-BC514284  Horkelia fusca var. pseudocapitata A. A. Heller 1916-6-23 12429 Siskiyou Near Black Butte N of Sisson 1127 Comment
  UC54359  Horkelia tridentata subsp. tridentata H. M. Hall and E. B. Babcock June 1903 4052 Siskiyou near Sisson; Sierra Nevada 1036 Comment
  CDA24878  Hornungia procumbens G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2591 Siskiyou Between Old Highway 99 and railroad 4 km south of Grenada. Comment
  CAS-BOT-BC201128  Hosackia crassifolia Geo. D. Butler 1910-6-6 1452 Siskiyou Quartz Valley Comment
  CHSC63336  Hosackia pinnata Vernon H. Oswald; Lowell Ahart 1994-7-11 6401 Siskiyou Gumboot Creek on the upstream side of Forest Rd. 26 (to Mt. Shasta), ca. 0.5 mi NE of Gumboot Lake, W of Dunsmuir. 1783 Comment
  RSA238849  Hydrophyllum occidentale Frederick W. Oettinger 1969-8-19 1442 Siskiyou Due northwest of saddle in ridge between English Peak and David Mountain. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1936 Comment
  UCD119488  Hydrophyllum occidentale Sandra Holloway 1963-5-19 57 Siskiyou 2 1/2 miles west of Hawkinsville. 1066 Comment
  RSA238860  Hypericum androsaemum Frederick W. Oettinger 1968-8-7 444 Siskiyou Inlet to Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  JEPS20040  Idahoa scapigera George D. Butler 1909-2 571 Siskiyou Butler's Ranch near Yreka; Butler's Ranch Comment
  CAS-BOT-BC206829  Iliamna bakeri Carl B. Wolf 1934-7-6 6029 Siskiyou Mt. Shasta, along Snow Line Road, 3 3/10 mi. from Mt. Shasta City 1524 Comment
  CAS-BOT-BC206835  Iliamna bakeri A. A. Heller 1938-7-12 15253 Siskiyou Ten miles northeast of Weed along U.S. Highway #97 Comment
  HSC100273  Iliamna bakeri J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13067 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 1838 Comment
  JEPS802  Ipomopsis aggregata W. L. Jepson 1937-7-30 18566 Siskiyou Poker Flat Siskiyou Mtns (headwaters of Indian Creek) 1584 Comment
  UC1096800  Ipomopsis aggregata H. K. Wagnon 1957-8-11 Siskiyou 6 mi w Military Pass (along Brewer Creek); e slope of Mt Shasta Comment
  HSC77055  Ipomopsis aggregata K. T. Stillman 1976-8-7 186 Siskiyou Marble Mtn. Wilderness Area., upper slopes of Marble Mtn. 1951 Comment
  HSC17050  Ipomopsis congesta R. C. Wunner 1965-6-26 285 Siskiyou Lava Beds National Monument, Schonchin Butte near top 1614 Comment
  CDA39606  Iris chrysophylla D. H. Shaw 1977-5-16 s.n. Siskiyou Scott River Road, south of Scott Bar. 0 Comment
  RSA366842  Iris missouriensis Christopher Davidson 1975-6-5 2667 Siskiyou 0.8 mi. from gate on special service rd. branching SE of rd from Gazelle to Callahan, ca. 9.3 miles W of Gazelle. Klamath Nat. Forest. 1509 Comment
  CDA2714  Iris pseudacorus T. C. Fuller 1958-6-19 1797 Siskiyou South of road between Yreka & Montague. 0 Comment
  SEINET3875941  Iris tenuissima Mary Merello, H. H. Schmidt; L. Woodruff 1993-6-22 694 Siskiyou Sasta National Forest outside of Mt. Shasta City. Along Forest Service Road 26 to Lake Siskiyou.; 0 1090 Comment
  UC705594  Iris tenuissima Marion Ownbey and D. H. Brown 1941-6-22 2421 Siskiyou just s Craggy Mountain (nw of Yreka) Comment
  RSA136346  Iris tenuissima Lee W. Lenz 1953-5-17 18313 Siskiyou Salmon River, 1 1/4 mi. above junction with Klamath River 177 Comment
  CDA3771  Isatis tinctoria T. C. Fuller 1958-6-18 1792 Siskiyou Highway 96 above Klamath River, 6 miles west of Seiad Valley. 0 Comment
  UC1586879  Isatis tinctoria Juha Pykala and D. H. Norris 1987-4-26 2052 Siskiyou 0-3 km below Bear Lake (above Bear Creek, Marble Mountain Wilderness Area); Marble Mountain Wilderness Area Comment
  CDA36757  Isatis tinctoria D. B. Joley 1976-6-24 4 Siskiyou Lake Siskiyou. 0 Comment
  CHSC62520  Isoetes bolanderi L. P. Janeway 1993-8-31 4574 Siskiyou Above and south of Terrace Lake; headwaters of South Fork Sacramento River. 1941 Comment
  UC371166  Isoetes bolanderi G. D. Butler 1908-8-3 256 Siskiyou Log lake Comment
  UC400939  Isoetes bolanderi Geo. D. Butler 1908-8-3 256 B Siskiyou Shackleford Creek Log lake Comment
  HSC28734  Isoetes bolanderi Frederick W. Oettinger 1968-8-1 345 Siskiyou Marble Mtn. Wilderness Area, inlet area of Hancock Lake 1936 Comment
  RSA237979  Isoetes occidentalis Frederick W. Oettinger 1967-8-21 303 Siskiyou NW side of Pine Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1921 Comment
  UCD141327  Juncus balticus subsp. ater Morris Halperin 1930-5-17 s.n. Siskiyou near Montague, Schumacher Gulch. Comment
  RSA44507  Juncus bolanderi Henry M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, north of Somes Bar. Comment
  JEPS66928  Juncus bufonius var. occidentalis B. C. Goldsmith 1916-9-9 21 a Siskiyou Klamath Hot Springs Klamath River Comment
  CHSC40150  Juncus covillei L. P. Janeway 1983-8-26 612 Siskiyou At Poker Flat. NW part of meadow near dirt road. 1524 Comment
  RSA238919  Juncus covillei Frederick W. Oettinger 1969-8-18 1419 Siskiyou NW side of Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1822 Comment
  CAS-BOT-BC110121  Juncus dudleyi Edward Lee 1934-8-11 1025 Siskiyou Walker Creek, a tributary of the Klamath River (east end of Seiad Valley). 457 Comment
  RSA15602  Juncus effusus subsp. pacificus Carl B. Wolf 1927-8-26 1097 Siskiyou Klamath River, 14 miles above Happy Camp. 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
  UCD141533  Juncus ensifolius A. H. Murphy 1960-8-9 60 E Siskiyou Klamath National Forest, Bear Lake. 1889 Comment
  HSC22185  Juncus mertensianus J. O. Sawyer 1969-8-5 1748 Siskiyou W of Little Duck Lake 2073 Comment
  CAS-BOT-BC127619  Juncus mertensianus W. R. Dudley 1899-8-24 s.n. Siskiyou Meadow (Lunch Camp) Craggy Peak. Comment
  RSA577907  Juncus mertensianus L. C. Wheeler 1935-7-26 3711 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  JEPS84176  Juncus mexicanus L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6380 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1.5 mi e of Red Butte summit) 1900 Comment
  CHSC71610  Juncus orthophyllus Vernon H. Oswald; Lowell Ahart 1998-8-3 9422 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 41N10. Along roadside drainage. 1554 Comment
  HSC69397  Juncus orthophyllus Maralyn A. Renner 1980-8-8 2451 Siskiyou Rattlesnake Meadow 1646 Comment
  HSC22104  Juncus parryi J. O. Sawyer 1969-7-10 1301 Siskiyou SE facing slope above South Sugar Lake 2165 Comment
  UC1265304  Juncus parryi Frederick W. Oettinger 1968-9-8 781 Siskiyou near outlet of English Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1752 Comment
  CAS-BOT-BC80906  Juniperus Miss Herzinger 1903-11-1 s.n. Siskiyou Scott's Creek Valley Comment
  CAS-BOT-BC81138  Juniperus communis W. B. C. 1938-9-8 11644 Siskiyou North side of Red Butte 2468 Comment
  HSC30624  Juniperus communis var. saxatilis Frederick W. Oettinger 1969-8-23 1513 Siskiyou Base of slope near Smith Lake, Salmon Mtns. 1677 Comment
  LA6569  Juniperus communis var. saxatilis Wm. Bridge Cooke; 1939-7-26 13743 Siskiyou above Panther Creek Meadows 2590 Comment
  CAS-BOT-BC81226  Juniperus occidentalis Alice Eastwood 1922-10-23 11558 Siskiyou Yreka Comment
  HSC31502  Juniperus occidentalis Steve Selva, Roger Jensen 1974-8-24 45 Siskiyou S facing slopes along Road 8 to Sugar Lake Trail Comment
  HSC79095  Juniperus occidentalis Paul Wilson 1984-8-30 362 Siskiyou Juanita Lake Reservoir 1555 Comment
  SEINET5450470 Image available Juniperus occidentalis Ross C. Clark, Bob Harvey; Chris Harvey 23916 Siskiyou Interstate Hwy. 5- vicinity of Hawkinsville. Comment
  POM210970  Kalmia polifolia subsp. microphylla L. C. Wheeler 1934-8-5 3037 Siskiyou Mud Springs, Middlehell Creek. 2011 Comment
  UCSB23746  Keckiella lemmonii Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass Road; 21.3 miles north of Seiad Valley 1310 Comment
  HSC661  Kelloggia galioides William J. Ferlatte 1967-7-9 677 Siskiyou Kidd Creek Trail 1677 Comment
  RSA184796  Kelloggia galioides Gilbert Muth 1966-7-31 471 Siskiyou N side of Black Mountain. Marble Mtns. 1982 Comment
  HSC64371  Koeleria macrantha Don Bateman 1980-7-1 Siskiyou 12 mi. E of Macdoel. 1372 Comment
  UC1190134  Kopsiopsis strobilacea Ira L. Wiggins 1955-7-23 13479 Siskiyou Ridge west of China Creek. Comment
  HSC5888  Lactuca serriola R. C. Wunner 1965-8-14 414 Siskiyou California Lava Beds National Monument; near old shoreline of Tule Lake 1220 Comment
  CAS-BOT-BC341696  Lagophylla ramosissima Lewis S. Rose 1945-6-22 45156 Siskiyou Walker, Klamath River 533 Comment
  RSA715638  Lagophylla ramosissima L. Ahart, John Dittes 2005-6-9 12016 Siskiyou On the east side of a poor rock fence, about 350 yards E of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2.5 miles (air) ESE of Grenada. 775 Comment
  UC89209  Lagophylla ramosissima T. S. Brandegee 1884-7-1 Siskiyou Ager Comment
  UCD133625  Lagophylla ramosissima P. B. Kennedy 1922-8-29 s.n. Siskiyou Scott Valley. Comment
  OBI76917  Lapsana communis Anthony Baniaga 2011-7-8 428 Siskiyou Klamath Natl Forest. Along Salmon river, on hwy 93 272 Comment
  JEPS116604  Lathyrus brownii J. K. Nelson with Rhonda Posey, Mary Ellen Colberg, Twyla Miller 2006-5-19 2006 -13 Siskiyou North side of Mt. Shasta south of Hwy 97; Hotlum Fire area burned in Feb 2006 1100 Comment
  UC1185308  Lathyrus brownii H. E. Brown 1897-6-10 391 Siskiyou near Sisson; ; near Sisson, Siskiyou Co. 1083 Comment
  UC164040  Lathyrus brownii Geo. D. Butler 1910-5-15 1346 Siskiyou Greenhorn Mountain 1066 Comment
  UC796605  Lathyrus brownii Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11828 Siskiyou 1 mi below w side Gazelle Mt. Grade (Gazelle-Callahan Road) 1219 Comment
  CAS-BOT-BC204989  Lathyrus jepsonii var. californicus A. A. Heller 1928-6-9 14500 Siskiyou Along the Sacramento River near Shasta Retreat Comment
  RSA48214  Lathyrus pauciflorus subsp. brownii Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11809 Siskiyou At Mule Creek crossing of Scott Mountain Road. 1524 Comment
  CHSC3224  Lepidium campestre Virginia Hagaman 1966-5-14 180 Siskiyou McConnahue Gulch--4 1/2 miles east of Etna. Comment
  UCR101153  Lepidium campestre L. C. Wheeler 1959-7-21 7588 Siskiyou Salmon & Marble Mtns. region, Crawford Creek, c. 0.5 mi. upstream from Guard Station Comment
  CHSC38094  Lepidium draba R. E. Preston 1983-7-17 400 Siskiyou At side of Hiram Page Road, across from grave marker, Yreka. 829 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
  SEINET5342023  Lepidium virginicum var. medium G. Butler 1910-6-27 1612 Siskiyou Yreka Creek. Comment
  SDSU3139  Leptodactylon pungens D. F. Howe 1977-7-5 5002 Siskiyou 15 miles SE of Granada. 1219 Comment
  POM364701  Leptosiphon bolanderi Christopher Davidson 1975-6-5 2661 Siskiyou just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  HSC78250  Leptosiphon harknessii L. P. Janeway 1983-7-31 475 Siskiyou Poker Flat, upper portion of meadow. 1524 Comment
  RSA0089588  Leptosiphon harknessii Dean Wm. Taylor 1987-6-23 9050 Siskiyou Vicinity of Mud Well, McCloud River headwaters. 1402 Comment
  CAS-BOT-BC341897  Lessingia nemaclada Edward Lee 1934-8-11 1041 Siskiyou East of the mouth of Walker Creek, a tributary of the Klamath River (east end of Seiad Valley) 441 Comment
  CAS-BOT-BC341902  Lessingia nemaclada Elmer I. Applegate 1923-9-7 3948 Siskiyou Doggett Creek, Klamath River canyon Comment
  OBI55491  Lessingia nemaclada David J. Keil, Kathleen Keil 1992-7-21 23555 Siskiyou Klamath NF SE of Callahan. Forest Rd 40N08, 5 mi W of Scott Mtn rd (hwy 3) Comment
  CAS-BOT-BC58261  Leucothoe davisiae Doris K. Kildale 1928-8-19 6571 Siskiyou Hancock Lake, on trail to Marble Mt. Comment
  CHSC96022  Leucothoe davisiae L. P. Janeway 2006-7-4 8787 Siskiyou Klamath Ranges. Scott Mountains; Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  HSC36224  Leucothoe davisiae John Rehling 1974-8-24 45 Siskiyou S end of Little Duck Lake Comment
  HSC4873  Leucothoe davisiae J. O. Sawyer 1968-6-25 306 Siskiyou NE of N Horse Range Lake 2012 Comment
  HSC4438  Lewisia cotyledon William J. Ferlatte 1967-7-26 744 Siskiyou Caribou Basin 1982 Comment
  HSC76700  Lewisia cotyledon K. T. Stillman 1976-8-7 215 Siskiyou Marble Mtn. Wilderness Area, Elk Valley 1829 Comment
  HSC82171  Lewisia cotyledon var. cotyledon T. Jimerson 1985-7-13 Siskiyou Around Devil's Punchbowl 1677 Comment
  JEPS127639  Lewisia cotyledon var. howellii Jurriaan M. de Vos 2014-7-10 319 Siskiyou Klamath NF.Ca. 3.9 miles ENE along Forest Road 1055 from Cook and Green Pass. Comment
  CAS-BOT-BC444081  Lewisia leeana Harley P. Chandler 1901-6-1 1609 Siskiyou North Coast Ranges. Near Marble Mountain 2286 Comment
  CAS-BOT-BC444083  Lewisia leeana Doris K. Kildale 1928-7-4 5525 Siskiyou Summit of divide between Salmon River & Scott Valley Comment
  UC1736073  Lewisia leeana Dean W. Taylor 1988-7-9 9948 Siskiyou Castle Lake region, in cirque and ridgetop above Heart Lake 1950 Comment
  CAS-BOT-BC444584  Lewisia triphylla Gilbert Muth 1966-7-14 388 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mts. 1828 Comment
  HSC26226  Lewisia triphylla J. P. Smith, J. O. Sawyer 1972-5-27 5356 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  UC1037117  Leymus cinereus Leo Whitney 1934-6-29 2250 Siskiyou near Tennant; Antelope Creek 1463 Comment
  CAS-BOT-BC283816  Leymus cinereus A. A. Heller 1905-6-19 s.n. Siskiyou Grenada Station Comment
  CAS-BOT-BC436535  Ligusticum californicum John Thomas Howell 1939-8-2 14888 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC436054  Ligusticum grayi Annetta Carter 1939-8-21 1472 Siskiyou Above SE end of Taylor Lake, 12 miles SW of Etna, Salmon Mountains 2194 Comment
  JEPS123402  Ligusticum grayi Julie Kierstead Nelson with Don Lepley, Rhonda Posey 2015-8-13 2015 -126 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. Comment
  JEPS25815  Ligusticum grayi Geo. D. Butler 1908-8-7 461 Siskiyou trail above Whiskey Camp (Independence Creek); Independence Creek 1767 Comment
  HSC568  Lilium kelleyanum William J. Ferlatte 1966-8-3 280 Siskiyou Josephine Lake basin 1677 Comment
  JEPS66424  Lilium kelleyanum L. R. Heckard and P. Rubtzoff 1971-8-1 2686 Siskiyou 4 mi below summit of Mt. Eddy ridge (road from Stewarts Springs to The Eddys) 1584 Comment
  UC54199  Lilium kelleyanum H. M. Hall and E. B. Babcock Jun 1903 4047 a Siskiyou near Sisson (18th crossing of the Sacramento River); Sierra Nevada Mountains, Mount Shasta 1036 Comment
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Dec 13 2006
  RSA126270  Lilium pardalinum I. L. Wiggins 1955-7-21 13425 Siskiyou Near Mt. View Ranch 7 miles above Cecilville on S Fork of Salmon River 976 Comment
  SEINET8370192  Lilium pardalinum A. A. Heller 1915-7-18 12108 Siskiyou Metcalf's ranch, northeast base of Eddy in moist soil in the forest. 1189 Comment
  UC54711  Lilium pardalinum Harley P. Chandler Jun 1901 1717 Siskiyou Shackleford Canyon; North Coast Ranges 1828 Comment
  JEPS80522  Lilium pardalinum subsp. vollmeri Gilbert Muth 1966-7-19 422 Siskiyou along first bluff Marble Gap Trail; Marble Mt. Wilderness Area 1828 Comment
  UC1483484  Lilium pardalinum subsp. vollmeri Maralyn A. Renner 1980-8-8 2433 Siskiyou Rattlesnake Meadow; Klamath National Forest, Preston Peak Quad. 1645 Comment
  CAS-BOT-BC130871  Lilium pardalinum subsp. wigginsii A. M. Vollmer; L. Beane 1953-7-1 112 Siskiyou Hamburg, Klamath River Comment
  RSA28138  Lilium washingtonianum Albert M. Vollmer, I. L. Wiggins 1940-7-5 9 Siskiyou 3.5 miles northeast of the town on Mount Shasta 1402 Comment
  CAS-BOT-BC133021  Lilium washingtonianum subsp. purpurascens Doris K. Kildale 1928-7-2 5367 Siskiyou Salmon Summit, via Horn Creek trail 1981 Comment
  CAS-BOT-BC133023  Lilium washingtonianum subsp. purpurascens L. E. Smith 1913-6-29 439 Siskiyou Mt. Eddy Comment
  JEPS95776  Linanthus bolanderi J. C. Game 1999-7-4 99 -51 Siskiyou about seven miles NNE of Seiad Valley (Copper Butte, W of summit, E of and above Cook and Greene Pass) 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
  UCD77820  Linanthus pungens Robert E. Preston 2003-7-29 2171 Siskiyou Rainbow Mountain and Vicinity. Summit of Rainbow Mountain. 2323 Comment
  CAS-BOT-BC240387  Linnaea borealis subsp. longiflora Doris K. Kildale 1928-7-3 5441 Siskiyou Little North Fork Salmon River near mouth Comment
  HSC44590  Linnaea borealis subsp. longiflora Laura Witherspoon 1977-7-16 Siskiyou Copper Creek Area. 1128 Comment
  HSC61141  Linum lewisii Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  HSC76987  Linum lewisii K. T. Stillman 1976-6-25 66 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  JEPS82489  Linum lewisii Gilbert Muth 1965-8-6 186 Siskiyou Marble Mountain Wilderness Area, backside trail of Black Mt. Black Mt.; Marble Mountain Wilderness Area, Black Mt. 1981 Comment
  SEINET13954119 Image available Lithocarpus densiflorus A. A. Heller 1915-1 12248 Siskiyou Wagon creek at foot of Mt. Eddy 1128 Comment
  POM301573  Lithocarpus densiflorus var. densiflorus Marion Ownbey, F. G. Meyer 1940-7-8 2231 Siskiyou Siskiyou Mountains, 17 miles north of Happy Camp. 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-BC36530  Lithocarpus densiflorus var. echinoides A. A. Heller 1915-8-26 12248 Siskiyou Wagon creek at the foot of Mt. eddy 1127 Comment
  CHSC619  Lithocarpus densiflorus var. echinoides V. Holt 1936-7-3 Siskiyou Shasta City. 1097 Comment
  CAS-BOT-BC432319  Lithophragma campanulatum Alice Eastwood 1923-5-22 11886 Siskiyou Sisson Comment
  HSC64863  Lithophragma parviflorum J. P. Smith 1976-5-5 8705 Siskiyou Road between Forks of Salmon and Somes Bar. 366 Comment
  HSC43055  Lithospermum californicum Ken Stillman 1976-8-24 446 Siskiyou E and N slopes of Williams Point 366 Comment
  UC196935  Lolium multiflorum Geo. D. Butler 1909-9-5 864 Siskiyou along creek near Yreka Comment
  UC166092  Lolium perenne Geo. D. Butler 1910-6-15 1563 Siskiyou near Yreka Comment
  HSC39659  Lolium temulentum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5740 Siskiyou 2.6 mi. S of Sugar Creek on Parrott Mill Rd. 1341 Comment
  UC1400381  Lomatium dissectum var. multifidum Frederick W. Oettinger 1968-8-15 523 Siskiyou e. side Hancock Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1950 Comment
  RSA238265  Lomatium dissectum var. multifidum Frederick W. Oettinger 1969-7-9 946 Siskiyou Northwest of upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1845 Comment
  RSA22254  Lomatium engelmannii J. T. Howell 1937-7-29 13656 Siskiyou Scott Mountain between Trinity and Siskiyou counties Comment
  UC585160  Lomatium engelmannii E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2015 Siskiyou ca. 1 1/2 mi. w. Mt. Shasta City (e. and n.e. slope of spur of Rainbow Ridge above Sulloway Creek); Rainbow Ridge 1180 Comment
  UC1037451  Lomatium macrocarpum Milo S. Baker 1955-6-25 13070 Siskiyou Hwy. 99 2 mi. s. Gazelle 914 Comment
  RSA215602  Lomatium macrocarpum Gilbert Muth 1969-8-6 1204 Siskiyou Boulder Peak. 2530 Comment
  UC165257  Lomatium nudicaule Geo. D. Butler 1909-5-7 745 Siskiyou hills near Yreka Comment
  RSA47618  Lonicera ciliosa Roxana S. Ferris, Laura Lorraine 1948-6-12 11731 Siskiyou French Creek Logging Road W of Callahan. 1067 Comment
  JEPS80599  Lonicera conjugialis Gilbert Muth 1966-7-25 455 Siskiyou Marble Rim, near top of ridge Marble Mt. Wilderness Area 2042 Comment
  UC1037476  Lonicera conjugialis Douglas Barbe 1955-7-6 130 Siskiyou se shore Taylor Lake; Klamath Mountains, Salmon Mtns. 1950 Comment
  UCR101765  Lonicera conjugialis L. C. Wheeler 1958-8-21 7416 Siskiyou Siskiyou Mountains, Lily Pad Lake, head W Fork Seiad Creek 1820 Comment
  SBBG7342  Lonicera hispidula H. and M. Dearing 1939-6-30 3753 Siskiyou near Callahan Comment
  CAS-BOT-BC243921  Lonicera involucrata var. involucrata H. E. Brown 1897-7-15 473 Siskiyou South side of Mt. Shasta 3048 Comment
  CAS-BOT-BC243923  Lonicera involucrata var. involucrata Geo. D. Butler 1910-7-9 1700 Siskiyou Margin of Shackleford Creek 1219 Comment
  SEINET3557097 Image available Lotus crassifolius R. Tofsrud, J. M. Tucker 1948-8-2 1754 Siskiyou outskirts of McCloud Comment
  RSA715778  Lotus humistratus L. Ahart, John Dittes 2005-6-10 12115 Siskiyou About 100 yards southeast of the pump house along the Shasta River, about 1.9 air miles south of Highway 99/97 Cutoff, about 6 air miles east-southeast of Grenada. 777 Comment
  POM27163  Lotus humistratus Geo. D. Butler 1910-7-3 1623 Siskiyou Goose nest foothills 1220 Comment
  CDA27279  Lotus nevadensis T. C. Fuller Jun 1958 1805 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  RSA756209  Lotus pinnatus Barbara J. Ertter, Julie Kierstead, Jim Nelson 1990-7-15 9355 Siskiyou Morgan Meadows on east side of Mount Eddy about 5 air miles due west of Mount Shasta City. 1677 Comment
  UC160445  Lotus stipularis var. ottleyi I. J. Condit 1911-7-8 Siskiyou Shasta Retreat 762 Comment
  UC1128064  Luetkea pectinata H. A. Jensen 1933-8-4 340 Siskiyou The Gate (Red Butte); Shasta National Forest, Dunsmuir Quad. 2407 Comment
  CAS-BOT-BC342566  Luina hypoleuca Doris K. Kildale 1928-8-19 6526 Siskiyou Trail between English Lake & Hancock Lake on way to Marble Mt. 2133 Comment
  RSA237587  Luina hypoleuca Frederick W. Oettinger 1968-8-28 604 Siskiyou Peak west of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2082 Comment
  UC725972  Lupinus A. A. Heller 1929-5-4 14860 Siskiyou Yreka Shasta River (Shasta River) Comment
  CAS-BOT-BC198360  Lupinus Elmer I. Applegate 1923-9-6 3940 Siskiyou Klamath River about 20 miles below the mouth of Shasta River Comment
  RSA119494  Lupinus C. P. Smith 1947-5-13 47274 A Siskiyou 7.4 miles east of Weed. Highway 97. Comment
  UCD105849  Lupinus albicaulis Rimo Bacigalupi; Mr. and Mrs. Van Deventer 1959-7-9 7274 Siskiyou Poker Flat. 1536 Comment
  CDA27358  Lupinus albicaulis T. C. Fuller 1974-9-24 20030 Siskiyou Summit of Siskiyou Mountains above Reeves Ranch Spring. 0 Comment
  CHSC71299  Lupinus albicaulis var. shastensis Vernon H. Oswald 1998-6-11 9184 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  UC454636  Lupinus albicaulis var. shastensis I. J. Condit 1911-7-10 Siskiyou Shasta Retreat Comment
  RSA105764  Lupinus albicaulis var. shastensis W. Bridge Cooke 1940-07 15329 Siskiyou Near the Mount Shasta High School along Alma Street in Mount Shasta near the city limits on the way to the Memorial Highway. Comment
  UC1481906  Lupinus albifrons K. Morris, Dunn and Kenney 1973-6-2 370 Siskiyou on s side of Hwy 3, 22 mi e Fort Jones; e of Fort Jones Comment
  UC1401212  Lupinus albifrons var. collinus K. Morris, LeDoux and Dunn 1973-6-2 336 Siskiyou on Hornbrook to Montague road about 1 mi se Hornbrook; se of Hornbrook Comment
  SEINET5766850 Image available Lupinus albifrons var. flumineus D. B. Dunn, B. J. Cox 1971-1 17937 Siskiyou 9 mi N of Weed, US 97 at Whitney Creek 1250 Comment
  JEPS95135  Lupinus angustiflorus Vernon Oswald and Lowell Ahart 1997-7-28 8796 Siskiyou Bullseye Lake se of Medicine Lake; Bullseye Lake 2057 Comment
  OBI59148  Lupinus arbustus Rhonda Riggins 1993-6-17 1688 Siskiyou Along CA 263, ca 1 mi N jct CA 96, 0,5mi S jct 15 Comment
  CAS-BOT-BC8426  Lupinus argenteus Amos Arthur Heller 1905-6-9 8015 Siskiyou Montague Comment
  SEINET10544236 Image available Lupinus argenteus A. Arthur Heller 1905-6-9 Heller 8015 Siskiyou Montague. Comment
  HSC71759  Lupinus bicolor J. P. Smith, Steve Selva 1970-6-16 4083 Siskiyou Idlewild Campground 808 Comment
  SEINET7042784 Image available Lupinus bicolor 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
  POM23593  Lupinus bicolor subsp. tridentatus Geo. D. Butler 1910-4-16 1190 Siskiyou Yreka. 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
  CAS-BOT-BC215194  Lupinus croceus J. H. Thomas 1954-5-13 4136 Siskiyou Near S Fork of Salmon River, 5-9 miles SE of Cecilville, vicinity of Blind Horse Creek, Salmon Mountains, Klamath National Forest. 1066 Comment
  SEINET10490743  Lupinus croceus var. croceus Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-1 Conrad 6981 Siskiyou Western yellow pine, libocedrus, douglas fir forest, 6 mi. Sw of callahan. 1524 Comment
  HSC92404  Lupinus lapidicola Jennifer Whipple 1976-6-11 965 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  UC144499  Lupinus latifolius var. viridifolius C. F. Baker 1903-8-13 3887 Siskiyou Sisson Comment
  UC162166  Lupinus latifolius var. viridifolius Geo. D. Butler 1908-8-5 374 Siskiyou Woolly Creek above Cold Spring; above Cold Spring, Woolly Creek Comment
  UCD108213  Lupinus latifolius var. viridifolius A. A. Heller 1914-8-25 11709 Siskiyou Deetz Station near Black Butte. 1158 Comment
  UC865433  Lupinus lepidus var. sellulus A. A. Heller 1916-7-21 12481 Siskiyou near Upton; near Upton 1097 Comment
  UC922627  Lupinus leucophyllus Annie M. Alexander and Louise Kellogg 1948-9-13 5618 Siskiyou Canyon Creek Siskiyou Mountains, , Canyon Creek (branch of Scott River) 762 Comment
  JEPS83252  Lupinus luteolus Geo. D. Butler 1908-6-23 375 Siskiyou near Yreka (Butler's Ranch); near Yreka, Butler's Ranch Comment
  RSA60652  Lupinus luteolus Dorothy Parker 1948-6-11 104 Siskiyou Near Bogus 1067 Comment
  JEPS105207  Lupinus microcarpus var. microcarpus Dean W. Taylor 1995-6-4 14962 Siskiyou 2 miles southeast of Montague; Shasta Valley Wildlife Management Area; Little Shasta River 853 Comment
  UC156987  Lupinus nanus Geo. D. Butler 1909-4-7 662 Siskiyou near Yreka; near Yreka Comment
  SBBG21863  Lupinus obtusilobus D. Myrick 1964-7-25 965 Siskiyou Panther Meadows, below Ski Bowl Lodge 2346 Comment
  UC454622  Lupinus obtusilobus I. J. Condit 1911-7-22 Siskiyou Horse Camp Mt. Shasta 2438 Comment
  UC454946  Lupinus polyphyllus var. polyphyllus I. J. Condit 1911-7-22 Siskiyou Sisson Comment
  CHSC933  Lupinus sellulus M. Yoder 1941-7-6 Siskiyou Castle Lake. 1950 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
  RSA119373  Lupinus sellulus subsp. sellulus S. S. Tillett 1956-7-9 669 Siskiyou Along ridge running n. from nw. side of Scott Mtn., between Big Carmen Creek and Mule Creek. 1951 Comment
  RSA414239  Lupinus sellulus var. artulus E. Yale Dawson 1948-7-16 5092 Siskiyou Grass Lake; Margins of Grass Lake, a drying, vernal lake north of Mount Shasta 1524 Comment
  HSC2363  Luzula divaricata William J. Ferlatte 1966-8-19 452 Siskiyou Head Of Kidd Creek 2134 Comment
  RSA639487  Machaeranthera canescens var. shastensis D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta - Lake Siskiyou - Gumboot Lake. South Fork (Sacramento River) Road 1340 Comment
  POM56187  Madia bolanderi E. B. Copeland 1903-8-15 3882 Siskiyou Sisson 1067 Comment
  RSA237493  Madia bolanderi Frederick W. Oettinger 1968-8-11 484 Siskiyou Meadow at Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 2043 Comment
  CAS-BOT-BC342667  Madia citriodora John Thomas Howell 1934-7-4 12410 Siskiyou Lava flow between Timbered Crater and Little Hot Springs Valley 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
  CDA30925  Madia elegans subsp. elegans M. Beyers, G. F. Hrusa 2010-8-18 694 Siskiyou Highway 96; Sluice Box Klamath River Access. 410 Comment
  CAS-BOT-BC343434  Madia gracilis Louis C. Wheeler 1934-6-4 2646 Siskiyou Horse Creek, Siskiyou Mts. 1066 Comment
  HSC29115  Madia gracilis Frederick W. Oettinger 1968-9-9 805 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: between Lower Pond and Tobacco Lake 1921 Comment
  CDA15526  Madia madioides G. F. Hrusa 1998-7-5 14694 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 8.2. Comment
  POM30810  Madia minima Geo D. Butler 1909-4-25 620 Siskiyou Quartz Valley. Comment
  RSA452624  Mahonia nervosa L. C. Wheeler 1934-6-29 2822 Siskiyou Soda Creek. Sterling Mtn. Siskiyou Mtns. 1280 Comment
  HSC98367  Maianthemum racemosum subsp. amplexicaule G. L. Clifton, Griswold 1979-6-27 6095 Siskiyou Near Shackleford Creek, close to the town of Greenview 1342 Comment
  RSA237902  Maianthemum racemosum subsp. amplexicaule Frederick W. Oettinger 1968-8-7 438 Siskiyou East side of Hancock Lake. The Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountains Wilderness Area 1936 Comment
  CHSC2310  Maianthemum stellatum M. Yoder 1941-7-21 Siskiyou Castle Lake. 1950 Comment
  HSC44864  Maianthemum stellatum J. P. Smith, Steve Selva 1970-6-16 4057 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  CAS-BOT-BC514189  Maianthemum stellatum Geo. D. Butler 1910-5-15 1343 Siskiyou Mcadam Creek Comment
  RSA377705  Maianthemum stellatum M. B. Dunkle 1944-6-27 9036 Siskiyou Siskiyou National Forest Comment
  RSA377706  Maianthemum stellatum J. P. Smith, Steve Selva 1970-6-16 4057 Siskiyou 8 miles west of Etna on road to Sawyers Bar 1372 Comment
  CAS-BOT-BC140197  Malus rivularis C. H. M. 1919-9-24 s.n. Siskiyou Klamath Canyon, mouth of Shovel Creek Comment
  UC618881  Marrubium vulgare W. Bridge Cooke 1938-8-19 11513 Siskiyou near Howard (Mount Shasta); , near Howard Comment
  HSC43365  Medicago minima N. G. Sugihara 1977-5-28 87 Siskiyou Burned hillside, 0.3 mi. toward Sawyer's Bar from Hwy. 96 S of Somes Bar Comment
  CAS-BOT-BC269229  Melica aristata Alice Eastwood 1912-7-1 1100 a Siskiyou McCloud Comment
  CAS-BOT-BC269235  Melica aristata Geo. D. Butler 1909-7-15 811 Siskiyou Russian Creek Comment
  CAS-BOT-BC271212  Melica bulbosa R. E. Frenkel 1963-7-15 244 Siskiyou West of Everitt Memorial Highway, 1.7 miles north of McCloud River RR crossing, near Mount Shasta 1290 Comment
  HSC21982  Melica bulbosa J. O. Sawyer 1969-7-18 1430 Siskiyou SW facing slope above Deacon Trail. 2195 Comment
  SEINET185073 Image available Melica bulbosa C. L. Hitchcock, J. S. Martin 1939-7-9 5311 Siskiyou Between King's Castle and Black mtn. west side of Ridge. 1829 Comment
  UCR37824  Melica bulbosa K. T. Stillman 1976-7-15 248 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  SEINET192916 Image available Melica californica L. Constance, RC Rollins 1942-5-14 2934 Siskiyou Shasta River 6 mi N of Yreka Klamath-Siskiyou Region 762 Comment
  UC144807  Melica harfordii A. A. Heller 1905-6-1 7935 Siskiyou between Upper Soda Spring and Shasta Retreat Comment
  SEINET10599434  Melica harfordii F. Marion Ownbey 1940-7-7 Ownbey 2217 Siskiyou Gravelly soil in open places near summit of Cayenne Ridge, Marble Mountain. Comment
  RSA239102  Melica subulata Frederick W. Oettinger 1969-8-16 1394 Siskiyou Southwest of Wire Grass Meadow, above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  SBBG40391  Mentzelia laevicaulis W. J. Dress 1951-8-15 Siskiyou Klamath River ca. 4 mi W of US Route 99 Comment
  RSA733949  Mentzelia multiflora J. Russell Bruff 1928-7-9 s.n. Siskiyou Summit of Jerome Mt. Comment
  CHSC30253  Menyanthes trifoliata M. S. Taylor; Roderick Williams, B. Williams 1980-6-23 2945 Siskiyou Aquatic in Cedar Lake, 11 mi sw of Mt. Shasta City. 1737 Comment
  CAS-BOT-BC428978  Micranthes ferruginea Ira L. Wiggins 1955-7-27 13548 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC322666  Microseris laciniata Geo. D. Butler 1909-6-13 957 Siskiyou Oro Fino Comment
  UC2015375  Microseris laciniata subsp. siskiyouensis K. L. Chambers 1964-7-10 2242 Siskiyou Hwy. 199, 5.0 mi by road up the Smith River from Patricks Creek Guard Staation. Comment
  SEINET10570211  Mimulus breweri Mary Susan Taylor 1980-7-8 Taylor 3103 Siskiyou T39N R5W ne sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on NW side of Castle Lake, along edge of lake. 1615 Comment
  UC637069  Mimulus cardinalis Edward Lee 1934-8-12 1043 Siskiyou between Humbug and Seiad Valley (mouth of Walker Creek, s side of river); Klamath River 426 Comment
  JEPS80572  Mimulus guttatus Gilbert Muth 1965-8-3 157 Siskiyou Marble Valley Marble Mt. Wilderness Area 1792 Comment
  UC164274  Mimulus inodorus Geo. D. Butler 1908-8-24 448 Siskiyou Eldredge's Corral Russian Creek Comment
  RSA609081  Mimulus kelloggii Louis C. Wheeler 1935-4-16 3422 Siskiyou Soap Creek, Siskiyou Mtns. 1037 Comment
  JEPS8234  Mimulus layneae W. L. Jepson 1894-8-9 34 m Siskiyou above Shasta Springs (Horseshoe Bend); Shasta Region Comment
  UC725963  Mimulus layneae A. A. Heller 1925-6-25 13895 Siskiyou 3 mi n Mt. Shasta (State Highway) Comment
  UC2046560  Mimulus layneae William J. Ferlatte 1974-7-14 1521 Siskiyou lower slope of Grouse Ridge Comment
  UC1034588  Mimulus moniliformis Douglas Barbe 1955-7-1 77 Siskiyou 4.5 mi s Etna (on the Westside Road to Callahan at the French Creek bridge); Klamath Mountains 853 Comment
  HSC23587  Mimulus moschatus J. O. Sawyer 1970-7-4 2325 Siskiyou At Cedar Flat Cabin 1402 Comment
  HSC36467  Mimulus moschatus J. O. Sawyer 1969-8-3 1938 Siskiyou Alluvial terrace along Duck Lake Creek 1921 Comment
  JEPS109691  Mimulus nanus Dean W. Taylor 2002-6-10 18131 Siskiyou Scott Mountain, between Grouse Creek and Little Carmen Creek at the junction of Forest Road 40N40 with xxNxx 1005 Comment
  UC1731232  Mimulus nanus Dean W. Taylor 1997-7-25 15846 Siskiyou in cirque above upper lake Crater Lake; KR, Scott Mtns, Klamath National Forest 2331 Comment
  JEPS86998  Mimulus nanus var. jepsonii David M. Thompson 1988-6-4 932 Siskiyou 8.0 mi e McCloud (along Hwy 89, sw corner of jct of Bigelow Meadows Road and hwy, opposite hwy from USFS Road 40N16, 2.4 mi w of turnoff for Cattle Camp) 1300 Comment
  RSA14134  Mimulus nanus var. jepsonii Elmer I. Applegate 1923-8-18 3882 Siskiyou Medicine Lake. Comment
  JEPS87078 Image available Mimulus nanus var. nanus J. Kierstead 1991-6-6 91 -55 Siskiyou Mt. Shasta Ranger Dist. north side of Mt. Shasta, north of Hwy. 97, 2 mi SW of Haystack Rock. Comment
  UC164258  Mimulus nasutus Geo. D. Butler 1910-5-29 1423 Siskiyou near Yreka Comment
  JEPS10997  Mimulus primuloides Willis L. Jepson July, 1894 53 m Siskiyou near Sisson; Region of the Upper Sacramento Comment
  RSA237544  Mimulus primuloides Frederick W. Oettinger 1968-8-13 520 Siskiyou Bear Meadow near Tom's Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2180 Comment
  POM5108  Mimulus primuloides var. linearifolius E. B. Copeland 1903-8-18 3830 Siskiyou Mt. Eddy. 2287 Comment
  RSA233713  Mimulus primuloides var. linearifolius Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mountains: Shasta-Trinity National Forest: 15 air miles SW of Weed near Kangaroo Lake Campground Comment
  POM43846  Mimulus primuloides var. pilosellus Geo. D. Butler 1910-7-9 1699 Siskiyou Shackleford Creek. 1220 Comment
  HSC76774  Mimulus tilingii K. T. Stillman 1976-8-7 370 Siskiyou Marble Mtn. Wilderness Area, trail to Marble Valley Guard Station Comment
  UC922334  Mimulus tilingii var. corallinus Annie M. Alexander and Louise Kellogg 1949-7-22 5833 Siskiyou edge of small stream which arises from spring at lower end of Paradise Lake; Marble Mountains, Paradise Lake 2072 Comment
  CAS-BOT-BC174699  Minuartia howellii R. C. Barneby 1954-5-16 11523 Siskiyou 7 mi. n.-e. of Fort Jones 1005 Comment
  HSC68418  Minuartia nuttallii subsp. gregaria Maralyn A. Renner 1980-6-9 846 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  HSC104140  Minuartia rubella Dana York 2011-8-13 3067 Siskiyou Klamath National Forest, Marble Mountain Wilderness, 230 m W-SW of Black Marble Mountain 2220 Comment
  CHSC95108  Minuartia stolonifera L. P. Janeway 2006-7-4 8778 Siskiyou Klamath Ranges. Scott Mountains; along a short spur loop on northwest side of Hwy 3 4.8 road km southeast of Gazelle-Callahan Road; overlooking East Fork Scott River. Rocky north-facing serpentine slope. 1259 Comment
  NY342052  Mirabilis greenei E. L. Greene 1876-1 s.n. Siskiyou Comment
  CAS-BOT-BC229602  Mirabilis greenei Roxana S. Ferris; Laura Lorraine 1948-6-12 11864 Siskiyou Willow Creek, foot of Gazelle Mountain grade Comment
  CAS-BOT-BC433022  Mitella diversifolia Geo. D. Butler 1910-5-23 1391 Siskiyou Humbug Mountain 1219 Comment
  HSC64877  Mitella pentandra J. P. Smith, Steve Selva 1970-6-16 4069 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 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
  RSA184752  Mitella pentandra Gilbert Muth 1966-7-8 375 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  RSA468285  Mitella trifida M. B. Dunkle 1944-6-26 9054 Siskiyou Deer Creek. 1829 Comment
  JEPS84202  Monardella L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6296 Siskiyou just s State line (Indian Creek Road from Takilma to Happy Camp) 1420 Comment
  LA62572  Monardella odoratissima Carl Epling; 1938-6-13 sn Siskiyou near Weed Comment
  CAS-BOT-BC221812  Monardella odoratissima David D. Keck 1938-8-6 4816 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiyou Mts., 4 mi. S. of Oregon line, on road from Waldo to Happy Camp 1555 Comment
  UCR21090  Monardella odoratissima subsp. glauca T. W. Fisher, Earl Oatman, R. E. Orth 1974-6-26 s.n. Siskiyou McIntosh Ranch on the McCloud River near Bartle 1220 Comment
  CAS-BOT-BC222036  Monardella odoratissima subsp. glauca Doris K. Kildale 1928-7-4 5498 Siskiyou Summit of divide between Sawyers Bar & Etna Comment
  CAS-BOT-BC220364  Monardella odoratissima subsp. pallida Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  UC1483447  Monardella odoratissima subsp. pallida J. Sawyer and J. Cole 1980-7-22 3988 Siskiyou Little Horse Peak, Klamath National Forest, Bray Quad. 1719 Comment
  UC2035850  Monardella odoratissima subsp. pallida C. L. Hitchcock, J. S. Martin 1939-7-6 5213 Siskiyou Takilma-Happy Camp road 1676 Comment
  CAS-BOT-BC220359  Monardella odoratissima subsp. pallida Wm. Bridge Cooke 1938-8-21 11544 Siskiyou Horse Camp Flats Comment
  RSA463108  Monardella odoratissima subsp. pallida S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  POM69089  Monardella purpurea Geo. D. Butler 1910-5-23 1393 Siskiyou Humbug Mtn. 1220 Comment
  RSA0022783  Monardella villosa subsp. subserrata E. B. Copeland 1903-7-6 3497 Siskiyou Hornbrook. Comment
  SEINET10498958  Monardella villosa subsp. subserrata Morris 1973-6-2 MORRIS 362 Siskiyou Jct of shasta and klamath rivers on hwy 263 Comment
  RSA238375  Monotropa hypopitys Frederick W. Oettinger 1968-8-6 419 Siskiyou Along old Hancock Lake trail just before one descends into a clear view of the lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  SEINET6652812 Image available Monotropa hypopitys D. V. Hemphill 1974-1 Siskiyou Marble Mountain Wilderness Area; ca. 1/4 mi north of Jawbone Camp 1554 Comment
  HSC33978  Montia chamissoi J. P. Smith 1974-5-25 7469 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  HSC29455  Montia parvifolia Frederick W. Oettinger 1968-9-1 640 Siskiyou Marble Mtn. Wilderness Area, base of precipice S of Abbott's Lake 1799 Comment
  RSA238298  Montia parvifolia Frederick W. Oettinger 1969-7-13 1004 Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1951 Comment
  RSA262474  Montia parvifolia J. M. Tucker 1963-7-4 3696 Siskiyou Vicinity of U.S. Forest Service Public Camp, just east of Finley Camp, road from Etna to Sawyers Bar Comment
  SEINET7296346 Image available Muhlenbergia andina Beecher Crampton 1956-1 3837 Siskiyou Boulder strewn, wet banks of a mountain stream, lower slopes of White Ridge, canyon of the south fork of the Sacramento River. 1372 Comment
  UCD86598  Muhlenbergia filiformis Beecher Crampton 1956-8-22 3859 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2316 Comment
  SD109606  Muhlenbergia jonesii John R> Reeder, Charlotte G. Reeder 1972-7-24 5808 Siskiyou 7 miles E of McCloud to Jct., and ca. 2 miles N of Pilgrim Creek Nursery Road 1128 Comment
  HSC22179  Muhlenbergia montana J. O. Sawyer 1969-7-10 1304 Siskiyou SE facing slope above S Sugar Lake 2165 Comment
  UC165758  Myosurus minimus Geo. D. Butler 1909-4-4 551 Siskiyou ne corner Yreka (Block 5) Comment
  SD82206  Myriopteris gracillima Louis C. Wheeler 1934-8-2 3021 Siskiyou Siskiyou Mountains, Head Jaynes Canyon 2075 Comment
  JEPS69761  Nama densa var. parviflora W. B. and V. G. Cooke 1972-6-30 45412 Siskiyou above Andesite Crossing (Mount Shasta, Military Pass Road); Mount Shasta, Military Pass Road 1524 Comment
  CHSC9485  Nama lobbii J. F. Goodwin 1971-7-3 136 Siskiyou 6.0 mi. south of Mt. Shasta Ski Bowl area. 1737 Comment
  UC1409218  Narthecium californicum Frederick W. Oettinger 1969-7-31 1112 Siskiyou boggy meadow w. English Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1935 Comment
  JEPS70281  Navarretia divaricata W. L. Jepson 1940-6-30 20068 Siskiyou 6 mi e McCloud (Fowlers Camp, Forest Service Campground on the McCloud River); McCloud River 944 Comment
  CHSC57438  Navarretia intertexta L. P. Janeway 1984-6-21 862 Siskiyou Garvey Bar, south side of Klamath River just east of Humbug Point. Vernal pond on back edge of flat. 594 Comment
  POM312620  Navarretia sinistra H. L. Mason 1948-7-17 13597 Siskiyou Eastern Grass Lake, in forested hills Comment
  POM73769  Nemophila pedunculata Geo. D. Butler 1910-5-7 1302 Siskiyou Fields near Yreka. Comment
  JEPS109401  Nepeta cataria Dean W. Taylor 2004-7-19 19183 Siskiyou Weed, wet meadow just east of town limits along Boles Creek 1051 Comment
  CHSC97390  Nicotiana attenuata Jenny Marr 2006-6-18 226 Siskiyou Cascade Range High. Plants collected along Hwy. 97. 1524 Comment
  HSC67615  Nicotiana attenuata J. P. Smith, Steve Selva 1970-8-8 4574 Siskiyou Lava Beds National Monument Comment
  HSC67946  Nicotiana attenuata J. P. Smith, Steve Selva 1970-7-16 4387 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  UCD126706  Nicotiana attenuata P. Quentin Tomich 1954-6-18 441 Siskiyou Indian Well, Lava Beds National Monument. 1463 Comment
  UCR131625  Nicotiana quadrivalvis L. C. Wheeler 1934-9-17 3273 Siskiyou Siskiyou Mtns., Dutch Creek off Klamath River 701 Comment
  CHSC93558  Nitrophila occidentalis Lowell Ahart; John Dittes 2005-6-9 12005 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  CAS-BOT-BC60589  Noccaea fendleri subsp. glauca Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mount Eddy. 1706 Comment
  HSC32254  Noccaea fendleri subsp. glauca J. O. Sawyer 1971-6-29 2394 Siskiyou Elk Hole 1524 Comment
  HSC62466  Noccaea fendleri subsp. glauca Ruby Van Deventer 1959-7-9 Siskiyou Twin Valley Comment
  HSC64808  Noccaea fendleri subsp. glauca J. P. Smith 1976-5-21 8765 Siskiyou Klamath National Forest, FS Rd. 40N08, 6.9 mi. from its junction with Hwy. 3 1524 Comment
  HSC58839  Nothochelone nemorosa Marvin Butler 1971-7-29 228 Siskiyou Near El Capitan Lake, close to the town of Cave Junction 1524 Comment
  HSC61504  Nothochelone nemorosa Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  UC164352  Nothochelone nemorosa Geo. D. Butler 1908-8-6 429 Siskiyou Marble Mountain, Whiskey Camp Whiskey Camp; Marble Mountain, Whiskey Camp Comment
  JEPS84340  Nuphar lutea subsp. polysepala L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6400 Siskiyou ca. 5.5 mi. n. town of Seiad Valley (s.e. of Red Butte, Lily Pad Lake); Lily Pad Lake 1740 Comment
  HSC16518  Oenothera cespitosa D. M. Thomson 1965-6-12 82 Siskiyou Lava Beds N.M., Hovey Point Comment
  JEPS107393  Opuntia fragilis Lowell Ahart, John Dittes 2005-6-10 12101 Siskiyou Hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  RSA64022  Opuntia fragilis C. B. Wolf 1944-10-28 11477 Siskiyou East side of Little Shasta Valley at Coonrod Ranch (12 miles NE of Weed, then 8 miles N on road to Montague). Comment
  HSC34269  Oreostemma alpigenum var. andersonii J. P. Smith, J. O. Sawyer 1973-8-14 7319 Siskiyou W of Cliff Lake 1982 Comment
  HSC71106  Oreostemma alpigenum var. andersonii Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4503 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  JEPS100531  Orobanche uniflora subsp. occidentalis Gilbert Muth 1966-7-18 417 Siskiyou Marble Gap trail, meadow above Marble Valley, Marble Mt. Wilderness Area. Comment
  UC1024069  Orobanche uniflora subsp. occidentalis Dorothy Parker 1954-4-12 612 Siskiyou Siskiyou Mountains near Callahan. Comment
  RSA0059187  Orobanche uniflora subsp. occidentalis Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mts., Shasta-Trinity National Forest: c. 15 air mi SW of Weed near Kangaroo Lake Campground. Comment
  UC923119  Orogenia fusiformis Freed W. Hoffman 1950-7-13 3288 Siskiyou western Baldy Lookout North Coast Ranges, Baldy Lookout Comment
  UC1190151  Orthilia secunda Ira L. Wiggins 1955-7-29 13582 Siskiyou Summit of ridge above Thompson Creek, trail to Caribou Lake 1999 Comment
  CAS-BOT-BC458089  Orthilia secunda A. A. Heller 1914-8-28 11743 Siskiyou Mt. Eddy, east side 1828 Comment
  RSA0083188  Orthilia secunda M. B. Dunkle 1944-7-18 9154 Siskiyou Sterling Mt. 1890 Comment
  POM43390  Orthocarpus attenuatus Geo. D. Butler 1910-5-8 1314 Siskiyou Devils land, near Yreka. Comment
  SBBG40873  Orthocarpus cuspidatus subsp. copelandii C. B. Hardham 1961-6-30 7997 b Siskiyou near Mud Spring Comment
  UC1096815  Orthocarpus cuspidatus subsp. copelandii Barbe 1957-7-13 383 Siskiyou along entrance road to Big Flat Public Camp Big Flat Public Camp; Klamath National Forest, Big Flat Public Camp 1524 Comment
  UC1409423  Orthocarpus cuspidatus subsp. copelandii Frederick W. Oettinger and R. F. Thorne 1969-8-6 1295 Siskiyou (high lake basins in vicinity of English Peak) English Lake Region; Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  RSA211401  Orthocarpus cuspidatus subsp. copelandii William J. Ferlatte 1967-8-17 958 Siskiyou Yellow Rose Mine, Trinity Alps. 1982 Comment
  UC535779  Orthocarpus cuspidatus subsp. copelandii Elmer I. Applegate 1923-9-7 3955 Siskiyou Doggett Ridge Klamath Canyon (Klamath Canyon); Siskiyou Mts., , Doggett Ridge Comment
  UCD123234  Orthocarpus cuspidatus subsp. copelandii J. M. Tucker; L. K Mann 1963-8-17 3741 Siskiyou beside trail from Red Rock Valley to top of ridge to south, and near top of ridge, Marble Mountain Wilderness Area. 1859 Comment
  UC903488  Orthocarpus cuspidatus subsp. cuspidatus Dorothy Parker 1948-7-11 101 Siskiyou near Beswick (Shovel Creek); , near Beswick 1011 Comment
  RSA408802  Orthocarpus hispidus M. B. Dunkle 4965 Siskiyou Siskiyou National Forest. Comment
  UC103148  Orthocarpus imbricatus J. W. Congdon 1900-8-13 Siskiyou foot Mt. Shasta Comment
  SEINET10549696  Orthocarpus lithospermoides Strull 1984-5-26 STRULL 65 Siskiyou T44n, r11w, s26, indian scotty campground, 15.2 mi w of fort jones on scott River rd. Collected on roadside growing with quercus, cornus, and aquilegia. 701 Comment
  UCD77894  Osmorhiza depauperata Robert E. Preston 2001-7-20 1684 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, 1712 Comment
  UC875302  Osmorhiza occidentalis John Thomas Howell 1937-7-29 13638 Siskiyou between Trinity Co. and Siskiyou County; Scott Mt. Comment
  RSA604465  Oxalis trilliifolia Louis C. Wheeler 1959-7-25 7593 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  CAS-BOT-BC316757  Packera cana Peter Hamilton Raven 1956-9-4 10390 Siskiyou pass just south of Mt. Eddy 2438 Comment
  UC585147  Packera cana E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1957 Siskiyou about 2 mi s Sheep Rock (on highway from Bray to Weed); n slope Mt. Shasta 1249 Comment
  CAS-BOT-BC317128  Packera streptanthifolia var. streptanthifolia Alice Eastwood; John Thomas Howell 1934-4-20 1782 Siskiyou near Gazelle Comment
  HSC26487  Panicum acuminatum var. fasciculatum J. P. Smith, Steve Selva 1970-7-16 4395 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  HSC101758  Panicum dichotomiflorum subsp. dichotomiflorum J. P. Smith, J. O. Sawyer 2011-9-4 13413 Siskiyou Along Ball Mountain-Little Shasta-Mt. Hebron Road. 877 Comment
  CAS-BOT-BC422854  Papaver rhoeas John Thomas Howell 1952-6-14 28357 Siskiyou 2 miles west of Gazelle Comment
  RSA68923  Parnassia californica A. E. Culbertson 1943-9-3 34 Siskiyou Castle Lake. 14 Miles SW of Mt. Shasta on N side of a 6600' eastern spur of Trinity Mts.2000' above Sacramento River within 10 air miles of its headwaters to the west. 1657 Comment
  RSA215629  Parnassia fimbriata Gilbert Muth 1969-8-11 1361 Siskiyou Ridge south of Boulder Peak. 2317 Comment
  CAS-BOT-BC175603  Parnassia palustris Alice Eastwood 1912-8-30 2045 Siskiyou Mount Eddy Comment
  HSC91998  Parnassia palustris Jennifer Whipple 1976-8-20 1721 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  CAS-BOT-BC202838  Paxistima myrsinites Roxana S. Ferris; Laura Lorraine 1948-6-12 117722 Siskiyou About 7 miles from Etna on Forks of Salmon Road 1818 Comment
  CAS-BOT-BC202850  Paxistima myrsinites L. B. Kildale 1930-6-1 9867 Siskiyou Salmon River at Forks of Salmon Comment
  HSC29127  Paxistima myrsinites Frederick W. Oettinger, R. F. Thorne 1969-8-7 1281 Siskiyou Salmon Mtns., Marble Mtn. Wilderness Area, E side of English Lake Outlet 1768 Comment
  HSC4833  Paxistima myrsinites J. O. Sawyer 1968-9-13 709 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  UC1071573  Paxistima myrsinites H. S. Yates 1936-6-21 5828 Siskiyou n. base Wintoon butte; Dunsmuir Quad. Comment
  UC719806  Paxistima myrsinites Rogers McVaugh 1941-8-4 6235 Siskiyou banks of Sacramento R. n. of Shasta Retreat Comment
  CAS-BOT-BC202856  Paxistima myrsinites Volney Rattan 1879-6-1 s.n. Siskiyou Siskiyou Mts., Bet. Happy Camp & Waldo Comment
  POM72141  Pectocarya pusilla Geo. D. Butler 1910-4-21 1215 Siskiyou Oro Fino Comment
  CAS-BOT-BC266635  Pedicularis A. A. Heller 1914-8-28 11726 Siskiyou E side of Mount Eddy 1584 Comment
  CAS-BOT-BC266651  Pedicularis bracteosa var. flavida Annie M. Alexander; Louise Kellogg 1948-9-9 5612 Siskiyou Siskiyou Mountains. Trail to Taylor Lake Comment
  CAS-BOT-BC266653  Pedicularis bracteosa var. flavida Gilbert Muth 1969-8-11 s.n. Siskiyou Beneath high point of ridge S of Boulder Peak Comment
  RSA211121  Pedicularis contorta William J. Ferlatte 1966-8-17 397 Siskiyou Caribou Basin; Trinity Alps. 1982 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
  HSC66236  Pedicularis howellii Maralyn A. Renner 1980-7-23 1879 Siskiyou Pacific Crest Trail, ridge 0.8 mi. E of Cook and Green Pass 1707 Comment
  JEPS23802  Pedicularis howellii Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7270 Siskiyou Poker Flat 1536 Comment
  UC886715  Pedicularis racemosa Louis C. Wheeler 1934-8-2 3022 Siskiyou head Jaynes Canyon; Siskiyou Mountains 2072 Comment
  CAS-BOT-BC69318  Pellaea brachyptera Alice Eastwood 1922-10-18 11541 Siskiyou Shasta Springs Comment
  UC673175  Pellaea brachyptera Lincoln Constance and Reed C. Rollins 1942-5-14 2933 Siskiyou Shasta River 6 mi n of Yreka; Klamath-Siskiyou Region 762 Comment
  OBI80247  Penstemon David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  JEPS83890  Penstemon anguineus Wayne Roderick July 1976 Siskiyou vicinity Cook and Green Pass; Siskiyou Mountains, vicin Cook and Green Pass Comment
  HSC61134  Penstemon anguineus Al Hobart 1968-7-8 Siskiyou El Capitan Comment
  RSA138224  Penstemon anguineus Percy C. Everett, E. K. Balls 1959-10-23 23941 Siskiyou 4.6 miles SW from Etna on rd from Callaban to Somesbar. Salmon Mtns. 1768 Comment
  UC1222496  Penstemon anguineus Joseph P. Tracy 1951-6-16 19474 Siskiyou near State Line (summit of the Siskiyous, at crossing of Takilma-Happy Camp Road near State Line (Oregon to Calif.)); Siskiyous aummit Comment
  UC1238935  Penstemon cinereus Freed W. Hoffman 1948-7-12 2456 Siskiyou Little Shasta River 22.8 mi e Montague (Lava Flow); North Coast Ranges, Little Shasta River, Lava flow 1584 Comment
  JEPS23288  Penstemon davidsonii var. davidsonii Rimo Bacigalupi 1959-7-1 7185 Siskiyou Pumice fields just e Mt. Shasta Ski Bowl Lodge (at upper end of Everitt Highway, southwestern slopes of Mt. Shasta); southwestern slopes of Mt. Shasta 2346 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
  RSA285578  Penstemon deustus subsp. deustus D. C. Michener 1980-8-2 3764 Siskiyou Klamath Mtns. Along CA 96 along the Klamath River between Swillup and Coon Creeks,ca 17 miles S of Happy Camp. 305 Comment
  UC1280833  Penstemon deustus var. pedicellatus H. E. McMinn 1931-6-27 2522 Siskiyou Mt. Shasta City Comment
  UC886968  Penstemon deustus var. suffrutescens Alice Eastwood 1912-7-19 1221 Siskiyou Mount Shasta Comment
  RSA519225  Penstemon gracilentus Karl Vincent, Charlotte A. Labbe 1987-8-12 4512 Siskiyou Cascade Range, Butte Mtn. Along Butte Mtn Rd, ca 3.6 miles W of jct Meiss Lake Rd, located 7.2 mi W of jct US 97 on S side of Macdoel. 1829 Comment
  JEPS11461  Penstemon heterodoxus var. shastensis Geo. D. Butler 1909-6-22 934 Siskiyou Goosenest Mountain Comment
  HSC60145  Penstemon laetus subsp. sagittatus D. L. Goforth 1979-7-7 229 Siskiyou Klamath National Forest, Condrey Mtn. 1768 Comment
  SEINET11262162  Penstemon laetus subsp. sagittatus Noel H. Holmgren, James L. Reveal 1966-6-9 2678 Siskiyou US 97, Shasta Valley, 4 miles north of Weed.; 0 1158 Comment
  NY91154  Penstemon laetus subsp. sagittatus H. E. Brown 1897-6-1 360 Siskiyou Near Mount Shasta. 1828.8 Comment
  NY604555  Penstemon laetus var. sagittatus K. A. Vincent 1987-8-12 4510 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
  POM44867  Penstemon laetus var. sagittatus Geo. D. Butler 1910-5-11 1338 Siskiyou Shasta Valley Comment
  RSA12568  Penstemon laetus var. sagittatus Carl B. Wolf 1934-7-6 6018 Siskiyou SW slope of Mt Shasta, about 2.5 mi NW of Wagon Camp. 1524 Comment
  RSA165524  Penstemon laetus var. sagittatus Clare B. Hardham 1961-6-30 8120 Siskiyou Near White Mt. Comment
  RSA401794B  Penstemon newberryi M. B. Dunkle 1945-7-19 9229 Siskiyou Above Sky High Lakes. Klamath National Forest. Marble Mtns. Comment
  HSC59936  Penstemon newberryi subsp. berryi D. L. Goforth 1979-7-19 247 Siskiyou Trinity Alps Wilderness Area, Caribou Lakes Basin, 0.3 mi. NW of upper lake 2134 Comment
  NY627432  Penstemon newberryi var. berryi F. W. Pennell 1940-7-17 26170 Siskiyou Salmon Mountains, west of Etna 1828.8 Comment
  UC1238907  Penstemon newberryi var. berryi Freed W. Hoffman 1950-7-11 3493 Siskiyou Cedar Camp Road 25.9 mi N of Klamath Hwy, about on Del Norte Co. line North Coast Ranges Comment
  UC164357  Penstemon parvulus Geo. D. Butler 1909-7-15 937 Siskiyou Highland Mine Comment
  UC922583  Penstemon parvulus Annie M. Alexander and Louise Kellogg 1948-9-9 5610 Siskiyou near Taylor Lake; Siskiyou Mountains, near Taylor Lake 1828 Comment
  HSC19133  Penstemon parvulus J. O. Sawyer 1969-7-3 1052 Siskiyou SE facing slope above Horse Range Creek 1799 Comment
  NY629976  Penstemon parvulus B. J. Ertter 1990-7-14 9311 Siskiyou East side Mt. Eddy ca. 4 airmiles due west of Mt. Shasta City, at streamlet near end of FR 41N53 ca. 1 mile north of Morgan Meadows, steep east-facing serpentine hillside 1676.4 Comment
  CAS-BOT-BC94548  Penstemon procerus subsp. brachyanthus R. C. Wenk 2006-9-2 544 Siskiyou trail to Caribou Lakes from Big Flat Meadow. Dry granite talus area by side of trail, above Big Conrad Gulch 1950 Comment
  HSC665  Penstemon procerus var. brachyanthus William J. Ferlatte 1967-7-9 681 Siskiyou Kidd Creek Trail 1829 Comment
  UC27495  Penstemon procerus var. formosus Harley P. Chandler June 1901 1639 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges, near Marble Mountain 2133 Comment
  UC335599  Penstemon roezlii J. G. Lemmon Sept. 1879 Siskiyou Mt. Shasta Comment
  HSC70604  Penstemon roezlii J. O. Sawyer, R. J. Cole 1981-7-2 4148 Siskiyou Near Scott Mtn. Campground 1585 Comment
  JEPS5716  Penstemon roezlii Dorothy Parker 1954-6-5 619 Siskiyou just e Scott Valley (Hartstrand Gulch); Siskiyou Mountains, , e of Scott Valley 855 Comment
  SD46702  Penstemon rydbergii var. oreocharis E. K. Balls, L. W. Lenz 1956-6-18 21806 Siskiyou 1.3 mi. se. of Bartle (jct. with rd. to Lava Beds) State Hwy. 89, McCloud to Burney 1219 Comment
  RSA297052  Penstemon shastensis John F. Emmel 1974-7-23 524 Siskiyou 1 air miles SE of Bartle, just N of hwy 89 (0.5 road mile W of railroad crossing). 1210 Comment
  OBI2045  Penstemon speciosus J. H. Applegarth 1969-6-19 s.n. Siskiyou W of Cow Crk, a tributary of Beaver Crk 1524 Comment
  SEINET5329863 Image available Penstemon speciosus G. Butler 1910-5-18 1360 Siskiyou near Yreka Comment
  UC165309  Perideridia gairdneri subsp. borealis Geo. D. Butler 1910-8-28 1856 Siskiyou Quartz Valley Comment
  UCR37514  Perideridia oregana L. P. Janeway 1983-8-28 642 Siskiyou Poker Flat 1529 Comment
  CDA38506  Perideridia oregana D. H. Shaw 1982-7-15 s.n. Siskiyou Bogus Creek Area, near Montague. 0 Comment
  UCD127877  Perideridia oregana Robert E. Preston 1995-6-18 878 Siskiyou Ca. 3 miles ESE of Hornbrook. Adjacent to Ager Road. 701 Comment
  JEPS81802  Perideridia parishii subsp. latifolia Rimo Bacigalupi with Reino and Aloha Alava 1958-9-2 6832 Siskiyou [road from Callahan to Trinity Center] road summit 1/4 mi n Scott Mtn. road summit; n of Scott Mtn., below Darlingtonia bog 1615 Comment
  CAS-BOT-BC423350  Peritoma platycarpa A. A. Heller 1925-7-25 13905 Siskiyou Shasta Valley near Gazelle Comment
  UC1051790  Phacelia L. R. Heckard 1952-6-18 307 Siskiyou about 0.5 mi w Panther Creek Guard Station (16 mi e of Montague on rd to Mt. Hebron) Comment
  UC901813  Phacelia corymbosa L. Constance 1950-7-16 3361 Siskiyou summit Little Grayback Peak 1859 Comment
  UC910006  Phacelia corymbosa A. A. Heller 1916-7-22 12486 Siskiyou e side Mt. Eddy Comment
  RSA106920  Phacelia greenei J. T. Howell 1952-6-14 s.n. Siskiyou East side of Scott Valley, 9.5 miles from Fort Jones on road to cllahan; elv. 2800 ft 854 Comment
  UC61067  Phacelia heterophylla subsp. virgata W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
  UC1055964  Phacelia heterophylla subsp. virgata Edw. L. Greene June 1876 Siskiyou Comment
  RSA211171  Phacelia humilis var. humilis W. J. Ferlatte 257 Siskiyou Mountain Meadow Ranch. 1524 Comment
  UC1069355  Phacelia linearis M. H. Mitchell 1936-5-14 19 Siskiyou Capt. Jack's Stronghold Modoc Lava Beds Natl Monument, Dorris Quadrangle 1554 Comment
  UC24435  Phacelia linearis W. C. Blasdale 1896-6-18 Siskiyou Shasta Comment
  UCD120556  Phacelia linearis E. K. Balls 1950-5-17 14725 Siskiyou New Lava Flow, rd. from Schonchin Butte to Capt. Jack's Stronghold, Lava Beds Nat'l Monument. 1493 Comment
  SEINET3158192  Phacelia magellanica f. virgata G. D. Butler 1910-5-22 1386 Siskiyou Yreka Creek Comment
  UC901811  Phacelia mutabilis L. Constance, J. F. Davidson, B. Kasipligil, and H. L. Mason 1950-7-16 3359 Siskiyou e side Little Grayback Peak (summit of Happy Camp-Waldo rd) 1524 Comment
  UCD18940  Phacelia mutabilis A. H. Murphy 1953-7-28 KNF 6 Siskiyou Klamath National Forest, Long Gulch Camp. 1889 Comment
  HSC29254  Phacelia mutabilis Frederick W. Oettinger, R. F. Thorne 1969-8-5 1208 Siskiyou Trail near Willow Springs between Abbotts Upper Cabin and English Lake 1677 Comment
  UC1586855  Phacelia procera Juha Pykala and D. H. Norris 1987-6-26 2085 Siskiyou 0-3 km below Bear Lake (above Bear Creek, sw slopes); Marble Mountain Wilderness Comment
  CDA30917  Phalaris arundinacea M. Beyers, G. F. Hrusa 2010-8-18 702 Siskiyou Highway 96; Sluice Box Klamath River Access. 556 Comment
  JEPS93894  Phalaris arundinacea Vernon H. Oswald and Lowell Ahart 1998-7-21 9327 Siskiyou Highway 97 between Weed and Macdoel (at w end of Grass Lake); Grass Lake, Highway 97 1524 Comment
  CAS-BOT-BC77414  Philadelphus lewisii Louis C. Wheeler 1934-7-16 2910 Siskiyou Klamath National Forest, Oak Knoll R.S. 670 Comment
  JEPS84271  Philadelphus lewisii L. R. Heckard with J. Hickman, S. D'Alcamo 1986-7-17 6482 Siskiyou e Cook and Green Pass (s ridge of butte); Copper Butte 1584 Comment
  CAS-BOT-BC250787  Phleum alpinum W. R. Dudley 1899-8-24 s.n. Siskiyou Meadow (Lunch Creek), Craggy Peak Comment
  CHSC69102  Phleum alpinum Vernon Oswald; Lowell Ahart 1997-7-28 8788 Siskiyou Southeast of Medicine Lake on road 43N54 at a meadow 0.6 mi southeast of Paynes Springs. 1920 Comment
  UCD89313  Phleum alpinum Hursh 1919-9-11 X 3256 Siskiyou Grass Garden Herbarium. Comment
  CAS-BOT-BC250952  Phleum pratense Wm. Bridge Cooke 1938-7-15 11201 Siskiyou Mount Shasta. Along creeks in Bear Springs 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
  UCR90864  Phlox adsurgens Kathy Harper, Dane Karr 1994-6-10 s.n. Siskiyou North Coast Range, Indian Creek Camp, 14.5 mi NW of Happy Camp along Indian Creek Road, off Hwy 96. Near campsites 7 to 9 610 Comment
  HSC61882  Phlox adsurgens Al Hobart, V. S. 1969-6-18 Siskiyou Poker Flat 1585 Comment
  SEINET7041249  Phlox adsurgens Barbara L. Wilson 1994-5-27 6916 Siskiyou Trailhead for New London Trail, between road 1050 (Elliott Creek Road) and the creek, at the parking area. Comment
  SD76189  Phlox caespitosa Helen V. Witham 1969-10-9 603 Siskiyou On scree at timberline, Mt. Shasta 2400 Comment
  CHSC3383  Phlox diffusa Alice L. Stoll 1966-5-14 202 Siskiyou 7 miles S.E. of Callahan. Alongside the Old Oregon Stage Road. 1219 Comment
  CHSC96001  Phlox diffusa L. P. Janeway 2006-7-4 8794 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  HSC45810  Phlox diffusa J. P. Smith, J. O. Sawyer 1972-5-27 5350 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  HSC4819  Phlox diffusa J. O. Sawyer 1968-9-9 667 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  JEPS124891 Image available Phlox diffusa Michael D. Fleschner 1965-7-13 1965 -137 Siskiyou Above Mt. Shasta Ski Board. Comment
  POM230548  Phlox diffusa subsp. diffusa J. T. Howell 1937-7-24 13406 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  RSA211156  Phlox diffusa subsp. diffusa William J. Ferlatte 1966-6-23 128 Siskiyou Trinity Alps: Yellow Rose Mine. 1982 Comment
  UC880435  Phlox douglasii subsp. rigida A. A. Heller 1915-7-15 12084 Siskiyou Mt. Eddy 2072 Comment
  SEINET7073525  Phlox speciosa subsp. occidentalis A. G. Vestal 1963-6-3 s.n. Siskiyou Lava boulders south of Gazelle. UTM Zone 10, 544048mN, 4590451mN. Coordinate datum: NAD27. Comment
  UC375256  Phoradendron Geo. D. Butler 1908-8-16 275 Siskiyou hills near Yreka Comment
  CAS-BOT-BC135021  Phoradendron bolleanum Louis C. Wheeler 1934-6-26 2789 Siskiyou Camp Lowe, Klamath River, Siskiyou Mts. 762 Comment
  CAS-BOT-BC135023  Phoradendron bolleanum C. F. Baker 1903-7-7 3542 Siskiyou Hornbrook Comment
  UC1039905  Phoradendron densum James Weir 1916-1 9361 Siskiyou Siskiyou Nat'l Forest Comment
  UC403987  Phoradendron libocedri Mrs. K. J. Stirring 1904-1 Siskiyou Etna Mills Comment
  CAS-BOT-BC56497  Phyllodoce empetriformis A. A. Heller 1915-8-26 12227 Siskiyou Heather meadow near the head of Wagon creek canyon, Mt. Eddy 2590 Comment
  JEPS91239  Phyllodoce empetriformis Dean W. Taylor 1972-7-3 1614 Siskiyou Salmon Mountains, near Little Duck Lake 1981 Comment
  LA25854  Phyllodoce empetriformis H. Lewis; M. Lewis 1951-7-12 sn Siskiyou Mt. Shasta, Panther Meadow, S side Comment
  UC571043  Phyllodoce empetriformis Dorothy Tebbe 1929-7-3 4 Siskiyou above Round Lake (Mount Eddy); Mount Eddy 1524 Comment
  UC61670  Phyllodoce empetriformis Geo. B. Grant Sept, 1902 5122 Siskiyou Mount Shasta, Horse Camp Mount Shasta; , Horse Camp 2438 Comment
  SEINET7270871  Phyllodoce empetriformis H. A. Jensen 1933-9-5 s.n. Siskiyou Slope of Shastina 2591 Comment
  UCR182951  Physalis longifolia T. C. Fuller 1966-10-6 15246 Siskiyou Clement Ranch, 5 miles north of Montague Comment
  UCD116160  Physaria occidentalis subsp. occidentalis Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou Northeast face of Marble Mountain, Marble Mountains. 2225 Comment
  RSA666427  Physocarpus capitatus Barbara Ertter 1990-7-14 9334 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4 air miles west of Mt. Shasta City 1829 Comment
  UC1045315  Physocarpus capitatus W. Bridge Cooke 1940-7-12 15315 Siskiyou in Box Canyon of the Sacramento near Mt Shasta City Comment
  UC555305  Physocarpus capitatus D. Tebbe 1929-7-15 117 Siskiyou Mt Eddy Comment
  UCR131594  Physocarpus capitatus L. C. Wheeler 1934-7-5 2877 Siskiyou Siskiyou Mtns., Beaver Creek at Deer Creek 976 Comment
  CAS-BOT-BC73429  Picea breweriana T. H. Harris 1951-5-30 s.n. Siskiyou Tanner Butte Road, near Happy Camp. 1828 Comment
  CAS-BOT-BC73430  Picea breweriana J. G. Lemmon 1889-10-18 s.n. Siskiyou Siskiyou Mts., near Waldo. Comment
  CAS-BOT-BC78175  Picea breweriana John Thomas Howell; Gordon H. True 1972-6-8 48853 Siskiyou south summit on road from Takilma to Happy Camp Comment
  UCD133125  Picea breweriana D. Sanchez-Mata 1997-9-19 s.n. Siskiyou Klamath National Forest. Happy Camp-O'Brien. Indian Creek Road. Jefferson State Scenic Byway. 1470 Comment
  CAS-BOT-BC78181  Picea breweriana Jim Young 1962-11-10 s.n. Siskiyou Sugar Creek 1524 Comment
  JEPS35941  Picea breweriana John Allen 1964-9-1 Siskiyou ca due w Orleans (on ridge between Creek and Elk Valley, road starts up from Orleans, and finally one takes the Dillon Mountain road) 1219 Comment
  RSA593949  Picea breweriana L. C. Wheeler 1963-8-31 8316 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1432 Comment
  HSC58929  Pinguicula macroceras Marvin Butler 1971-8-8 68 Siskiyou Near Bell Echo Camp, close to the town of Cave Jct. 1433 Comment
  HSC77150  Pinguicula macroceras L. P. Janeway 1983-7-24 454 Siskiyou Poker Flat, upper portion of meadow 1524 Comment
  SBBG45487  Pinus albicaulis W. M. Plumb 1972-7-16 Siskiyou NE slope of Mt Eddy 2438 Comment
  CAS-BOT-BC73392  Pinus albicaulis L. A. Siemens 1970-5-9 170 Siskiyou Mt. Shasta - Cascade Ridge 2590 Comment
  UC55656  Pinus attenuata Harley P. Chandler 1901-6-1 1730 Siskiyou Shackleford Canyon, near Marble Mountain; North Coast Ranges, Shackleford Canyon 1371 Comment
  CAS-BOT-BC78496  Pinus contorta subsp. murrayana W. B. C. 1938-8-24 11585 Siskiyou Along the Round-the-Mountain road 1798 Comment
  HSC67770  Pinus contorta var. murrayana J. O. Sawyer, J. Cole 1980-7-20 3806 Siskiyou E side of Grouse Hill 2134 Comment
  CAS-BOT-BC78718  Pinus jeffreyi A. A. Heller 1915-8-26 12252 Siskiyou Metcalf's [ranch] Ranch at the foot of Mt. Eddy 1188 Comment
  HSC92117  Pinus jeffreyi Jennifer Whipple 1976-9-4 1795 Siskiyou Dobkins lake drainage on E facing slopes above Dobkins lake 2256 Comment
  POM126999  Pinus jeffreyi A. A. Heller 1915-8-26 12252 Siskiyou Metcalf s Ranch at the foot of Mt. Eddy. 1189 Comment
  RSA237336  Pinus jeffreyi Frederick W. Oettinger 1968-9-8 775 Siskiyou 0.1 mile north of English Lake. Salmon Mountains. High Lake basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  CAS-BOT-BC78960  Pinus monticola G. A. Coleman 1901-7-31 s.n. Siskiyou Near summit of range, west of forks of Salmon River Comment
  HSC69222  Pinus monticola Maralyn A. Renner 1980-8-31 2622 Siskiyou Twin Valley. 1494 Comment
  CAS-BOT-BC72817  Pinus sabiniana Frank Callahan 2006-9-1 s.n. Siskiyou Forks of Salmon 7.5', south fork 381 Comment
  UCSB24549  Piperia transversa Keefe, Joseph 1967-7-11 Siskiyou Fort Goff Camp Ground; east of Seiad Valley 396 Comment
  RSA211308  Piperia unalascensis William J. Ferlatte 1967-7-26 742 Siskiyou Caribou Basin. Ridge west of Big Caribou Lake. Steep slope with talus and solid rock outcrops. Trinity Alps. 2134 Comment
  RSA80219  Plagiobothrys bracteatus L. C. Wheeler 1934-6-3 2627 Siskiyou Cherry Flat, Klamath River 518 Comment
  JEPS104989  Plagiobothrys hispidulus Dean W. Taylor 1996-7-27 15861 Siskiyou Grass Lake (about 15 air miles NE of Weed); Klamath National Forest; Modoc Plateau region 1524 Comment
  POM72152  Plagiobothrys nothofulvus Geo. D. Butler 1910-4-10 1164 Siskiyou Near Yreka. Comment
  CDA40664  Plagiobothrys tenellus G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2630 Siskiyou 16 km south of Fort Jones on Scott Valley East Side Road. Comment
  JEPS107650  Plantago eriopoda Lowell Ahart, John Dittes 2005-6-10 12104 Siskiyou Steep springy sloper, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  RSA412564  Plantago lanceolata Bonnie C. Templeton 1957-6-23 s.n. Siskiyou Along the Scott River, near Callahan. Comment
  HSC22080  Platanthera dilatata var. leucostachys J. O. Sawyer 1969-7-11 864 Siskiyou Ravine above C.C.C. road. 1280 Comment
  SBBG30577  Platanthera dilatata var. leucostachys D. Myrick 1968-6-29 2058 Siskiyou Big Flat, head of Coffee Crk, Trinity Alps 1524 Comment
  UC2013019  Platanthera dilatata var. leucostachys Barbara Ertter 1990-7-14 9344 Siskiyou Wagon Creek on E side of Mt. Eddy, ca. 4 air miles W of Mt. Shasta City. Comment
  UC618671  Platanthera leucostachys W. Bridge Cooke 1938-9-8 11672 Siskiyou Squaw Creek Meadows Mount Shasta 2286 Comment
  JEPS83874  Platanthera leucostachys Wayne Roderick 1977-7-1 Siskiyou spring area trail to Lily Pad Lake; Siskiyou Mts., vicinity Cook and Green Pass 1706 Comment
  HSC27799  Platanthera sparsiflora J. D. Ackerman 1973-7-27 108 Siskiyou S Fork Sacramento River 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
  HSC77276  Platanthera sparsiflora L. P. Janeway 1983-8-13 530 Siskiyou S side and above S Fork Indian Creek. 1433 Comment
  HSC67860  Plectritis congesta J. P. Smith, Steve Selva 1970-6-16 4026 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 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
  CAS-BOT-BC261041  Poa Gilbert Muth 1966-7-17 402 Siskiyou Trail to lookout, Marble Mts. 1828 Comment
  UC1025120  Poa Douglas Barbe 1955-8-5 362 Siskiyou at summit of trail from Big Flat to Caribou Lake (a point nw of Caribou Mt); Salmon Mts 2407 Comment
  CAS-BOT-BC244384  Poa annua Lewis S. Rose 1945-6-22 45177 Siskiyou Beaver Creek and Klamath River 548 Comment
  CAS-BOT-BC254784  Poa bolanderi A. A. Heller 1914-8-28 11736 Siskiyou On the E side of Mount Eddy 2438 Comment
  UC39614 Image available Poa bolanderi Harley P. Chandler 1901-6-1 1703 Siskiyou near Marble Mountain (Shackleford Canyon); North Coast Ranges; Shackleford Canyon, near Marble Mt., Siskiyou Co. 1828 Comment
  UCD90281  Poa bolanderi Geo. D. Butler 1910-7-12 1750 Siskiyou Shackleford Creek. 1219 Comment
  UCD90539  Poa bolanderi Beecher Crampton 1956-8-21 3810 Siskiyou 15 to 16 miles southwest of city of Mount Shasta. Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  SEINET10659112  Poa bolanderi A. Arthur Heller 1914-8-28 Heller 11736 Siskiyou Mount Eddy. Found sparingly on the east side of Mount Eddy, in granite, near pine trees. 2438 Comment
  CAS-BOT-BC254994  Poa bulbosa Morris Halperin 1930-5-17 304 Siskiyou Geo. Bray's Ranch, Yreka Comment
  HSC30211  Poa bulbosa William J. Ferlatte 1968-6-8 1133 Siskiyou Mountain Meadow Ranch. 1524 Comment
  UCD90607  Poa bulbosa Alan A. Beetle; G. L. Stebbins Jr. 1942-5-30 3385 Siskiyou at Weed. Comment
  SEINET10508792  Poa fibrata Louis C. Wheeler 1935-6-30 Wheeler 3629 Siskiyou Dry subsaline adobe flat, 3 mi. S. Grenada, Shasta Valley. 792 Comment
  CAS-BOT-BC246634  Poa howellii Lewis S. Rose 1945-6-18 45111 Siskiyou Horse Creek & Klamath River 502 Comment
  RSA0000484  Poa nervosa L. C. Wheeler 1935-6-30 3629 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  CAS-BOT-BC256017  Poa pratensis R. E. Frenkel 1963-7-13 224 Siskiyou On Everitt Memorial Highway, 0.4 mile north of McCloud River RR crossing near Mount Shasta 1176 Comment
  HSC68468  Poa pratensis Maralyn A. Renner 1980-6-26 1143 Siskiyou Flint Valley. 1390 Comment
  JEPS107452  Poa pratensis subsp. pratensis Lowell Ahart, John Dittes 2005-6-10 12125 Siskiyou Near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  UC642584  Poa pringlei Jason Swallen 1939-7-26 13755 Siskiyou lava slopes below Lake Helen (on Summit Trail); Mt Shasta Comment
  CAS-BOT-BC6506  Poa pringlei Cyrus Guernsey Pringle 1882-9-1 s.n. Siskiyou Mts. about the head waters of the Sacramento River 2438 Comment
  SEINET10602273  Poa rhizomata George D. Butler 1910-4-21 Butler 1206 Siskiyou Ditch bank, Kidder Creek. Comment
  RSA273422  Poa secunda J. P. Smith 1976-5-5 8708 Siskiyou road between Forks of Salmon and Somes Bar 366 Comment
  HSC26127  Poa secunda subsp. secunda J. P. Smith, Steve Selva 1970-6-16 3996 Siskiyou 5 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1189 Comment
  HSC31102  Poa secunda subsp. secunda Frederick W. Oettinger 1969-8-3 1149 Siskiyou Salmon Mountains, NW of English Lake. 1951 Comment
  HSC92029  Poa secunda subsp. secunda Jennifer Whipple 1976-6-23 1107 Siskiyou Mount Eddy, drainage into the N Fork of the Sacramento River. 2256 Comment
  UC1037087  Poa secunda subsp. secunda Leo Whitney 1934-6-29 2224 Siskiyou near Tennant (Antelope Creek) 1463 Comment
  UCD90888  Poa secunda subsp. secunda P. B. Dickey 1940-5-26 942 Siskiyou South of Dwinnell Lake. Comment
  HSC44955  Polemonium californicum J. O. Sawyer 1978-6-16 3218 Siskiyou Marble Mtn. Wilderness along trail to Elk Valley 1921 Comment
  JEPS69921  Polemonium californicum Geo. D. Butler 1908-8-8 29 Siskiyou foot of bluff Marble Valley 1676 Comment
  UC648289  Polemonium californicum John Thomas Howell 1939-8-9 15220 Siskiyou ridge s Marble Valley (Marble Mts.); , s of Marble Valley Comment
  UCD77930  Polemonium pulcherrimum Robert E. Preston 2002-6-20 1856 Siskiyou Klamath National Forest, Rainbow Mountain. 2177 Comment
  CAS-BOT-BC74165  Polyctenium fremontii L. E. Smith 1913-5-18 227 Siskiyou Bray. Comment
  CAS-BOT-BC170329  Polygala cornuta var. cornuta Alice Eastwood 1917-9-2 6707 Siskiyou Shasta Springs Comment
  CAS-BOT-BC170335  Polygala cornuta var. cornuta Wayne Roderick 1967-7-25 s.n. Siskiyou Cabin Meadow, n. of Cory Peak, Scott Mts. 1828 Comment
  SEINET3163465  Polygala cornuta var. cornuta G. B. Grant 1024 Siskiyou Sisson, S. Cal. 1128 Comment
  SEINET6652321 Image available Polygonum arenastrum A. A. Heller 1915-1 1753 Siskiyou Metcalfs ranch, northeast base of Mount Eddy 1189 Comment
  CHSC88095  Polygonum aviculare Jenny Marr 1993-7-1 105 Siskiyou Butte Valley Wildlife Area, +- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CHSC91233  Polygonum aviculare Lowell Ahart; John Dittes 2005-6-10 12060 Siskiyou In a depression, near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  RSA170306  Polygonum cuspidatum T. C. Fuller 1963-8-26 11152 Siskiyou Dunsmuir Grade, Hwy 99 to Mt. Shasta City, 0.5 miles N of the limits of Dunsmuir, siskiyou. Comment
  JEPS50534  Polygonum davisiae Chesnut and Drew 1890-1 Siskiyou Mt. Shasta and Lassen's Peak Trip Comment
  JEPS74541  Polygonum davisiae W. J. Ferlatte 1966-7-6 186 Siskiyou Caribou Mtn. Trinity Alps 2468 Comment
  UC163658  Polygonum davisiae Geo. D. Butler 1910-7-8 1677 Siskiyou Shackleford Creek 1828 Comment
  RSA237769  Polygonum douglasii Frederick W. Oettinger 1968-9-2 676 Siskiyou Above Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1860 Comment
  SEINET4338954  Polygonum douglasii G. D. Butler 1910-7-7 1787 Siskiyou Dry bank Shackleford Creek 914 Comment
  CHSC35566  Polygonum douglasii subsp. douglasii J. P. Smith; J. Whipple 1978-7-2 9978 Siskiyou Trail from Cook and Green Pass to Copper Butte. Rock outcrops and dry meadows. 1767 Comment
  UC375152  Polygonum douglasii subsp. majus Geo. D. Butler 1908-7-19 195 Siskiyou Humbug Creek Comment
  UC1026908  Polygonum douglasii subsp. spergulariiforme W. Bridge Cooke 1940-6-7 15107 Siskiyou along Pacific Hwy near Black Butte Comment
  UC609355  Polygonum douglasii subsp. spergulariiforme Eleanor Burks Hart 1938-8-13 883 Siskiyou above Scott River 701 Comment
  JEPS117465  Polygonum hydropiperoides Lowell Ahart, John Dittes 2010-7-30 16933 Siskiyou Along the south edge of the Shasta River, about 100 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  CAS-BOT-BC418590  Polygonum minimum Doris K. Kildale 1930-8-24 9051 a Siskiyou Rattlesnake Meadow, trail to Preston Peak 1676 Comment
  SEINET10904455  Polygonum newberryi Mary Susan Taylor 1980-8-19 Taylor 3269 Siskiyou T43N R2E se sec 23, Medicine Lake quad. Shasta-Trinity Natl Forest, in pumice, on Paint Pot Crater. With J. Prouty & E. Heinz. 1920 Comment
  UC1112263  Polygonum polygaloides subsp. confertiflorum Rimo Bacigalupi with S. Galen Smith 1957-6-26 5936 Siskiyou about 2 1/2 mi nw Weed (pool close to US Hwy 99) 1005 Comment
  UC1191237  Polygonum polygaloides subsp. confertiflorum Herbert L. Mason 1948-7-18 13624 Siskiyou Grass Lake Comment
  UC1408814  Polygonum polygaloides subsp. kelloggii Frederick W. Oettinger and R. F. Thorne 1967-8-7 1264 Siskiyou English Lake meadows Salmon Mountains, Marble Mountain Wilderness Area (w Siskiyou Co.) 1828 Comment
  UC1409241  Polygonum shastense Frederick W. Oettinger 1968-8-22 597 Siskiyou slope between English Peak and Diamond Lake (w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 2194 Comment
  CAS-BOT-BC421073  Polygonum spergulariiforme Geo. D. Butler 1910-7-31 1803 Siskiyou Yreka Comment
  CAS-BOT-BC421071  Polygonum spergulariiforme Doris K. Kildale 1925-9-6 1282 Siskiyou Somes Bar near junction of Klamath & Salmon Rivers Comment
  POM104534  Polygonum spergulariiforme Geo. D. Butler 189 Siskiyou Dry hills near Yreka. Comment
  UC1023835  Polypogon monspeliensis Douglas Barbe 1955-7-4 88 Siskiyou on Parrot Mill Rd 10 mi s Etna; Klamath Mountains 975 Comment
  UC1132902  Polypogon monspeliensis H. S. Yates 1936-6-21 5813 Siskiyou 6 mi n Gazelle; Yreka Quad. Comment
  HSC19289  Polystichum imbricans J. O. Sawyer 1969-7-10 1295 Siskiyou Ridges E of Russian Peak 2256 Comment
  HSC79156  Polystichum imbricans C. J. Thomas 1983-10-1 106 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 Comment
  UC812658  Polystichum imbricans subsp. imbricans Louis C. Wheeler 1935-4-16 3421 Siskiyou Soap Creek; Siskiyou Mts. 1584 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
  CAS-BOT-BC76774  Polystichum imbricans subsp. imbricans A. A. Heller 1905-6-17 8061 Siskiyou Near the source of the Sacramento River west of Sisson. Comment
  CAS-BOT-BC72385  Polystichum lemmonii Maxine Wilkes 1940-8-20 s.n. Siskiyou Cliff Lake, Marble Mts. Comment
  CAS-BOT-BC72390  Polystichum lemmonii G. J. Muth 1969-8-10 1339 Siskiyou Red Mt. Ridge 2438 Comment
  CHSC31246  Polystichum lemmonii B. Williams 1980-8-27 385 Siskiyou Shasta Forest/Trinity NF Expt. Area. Mt. Eddy. Comment
  HSC34364  Polystichum lemmonii J. P. Smith, J. O. Sawyer 1973-8-14 7308 Siskiyou On trail from Campbell Lake to Cliff Lake 1829 Comment
  UC205092  Polystichum lemmonii A. A. Heller 1914-8-28 11739 Siskiyou e side Mt. Eddy 2286 Comment
  UC812639  Polystichum lemmonii John Thomas Howell 1937-7-29 13668 Siskiyou n side Scott Mt. Comment
  UC1313058  Polystichum lonchitis J. M. Tucker 1963-8-19 3772 Siskiyou headwaters of Canyon Creek; Marble Mt. Wilderness Area 1950 Comment
  CAS-BOT-BC108545  Populus balsamifera Frank Callahan 2007-5-1 s.n. Siskiyou Moffett Creek 883 Comment
  HSC67627  Populus trichocarpa J. P. Smith, Steve Selva 1970-7-15 4345 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  RSA756938  Portulaca oleracea R. F. Thorne 1969-8-2 63346 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  RSA238841  Potamogeton pusillus subsp. tenuissimus Frederick W. Oettinger 1969-8-22 1494 Siskiyou Mucky bottom of Horses Hole. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  RSA790475  Potentilla breweri James R. Shevock, Barbara Williams 1987-8-18 11804 Siskiyou Sisson trail above Kangaroo Lake, Klamath Mtns. 2012 Comment
  UC164067  Potentilla breweri Geo. D. Butler 1910-6-5 1520 Siskiyou Log Lake Comment
  JEPS82728  Potentilla drummondii Wayne Roderick 1983-7-10 Siskiyou Doe Flat near the Del Norte County line; Doe Flat 1143 Comment
  HSC18934  Potentilla flabellifolia J. O. Sawyer 1969-7-25 1537 Siskiyou NE facing upper slope above Sugar Lake 2104 Comment
  RSA74740  Potentilla glandulosa subsp. ashlandica Albert M. Vollmer 1951-5-31 36 Siskiyou Scott Mountain. Comment
  JEPS94062  Potentilla gracilis var. fastigiata Vernon H. Oswald and Lowell Ahart 1998-7-21 9351 Siskiyou Northeast of Weed and south of Macdoel along Old State Highway on west side of Bray. 1417 Comment
  UC1128235  Potentilla gracilis var. fastigiata L. Whitney 1934-6-27 8 Siskiyou Tennant Dorris Quad., Antelope Creek 1463 Comment
  UC164062  Potentilla gracilis var. gracilis Geo. D. Butler 1910-5-28 1419 Siskiyou Shasta Valley Comment
  UC725977  Potentilla millefolia A. A. Heller 1938-7-13 15266 Siskiyou about a mi s Bray; s of Bray 1402 Comment
  UC860723  Potentilla millefolia A. A. Heller 1938-7-13 15266 Siskiyou about a mi s Bray; s of Bray 1402 Comment
  CDA26087  Potentilla millefolia Don Shaw 1977-5-3 Siskiyou Novy Ranch, Grenada. 0 Comment
  CHSC71500  Potentilla newberryi Vernon H. Oswald; Lowell Ahart 1998-7-21 9343 Siskiyou Northeast of Weed and east of Grass Lake on the south side of Tennant Rd. 0.2 mi southeast of Old State Hwy. to Bray and on the east side of the intermittent stream draining Dry Lake. 1402 Comment
  UC711899  Potentilla rivalis Roxana S. Ferris and Laura Lorraine 1941-8-11 10501 Siskiyou Grass Lake Station Grass Lake Station (on U.S. Highway 97) 1554 Comment
  RSA120730  Prunella vulgaris subsp. lanceolata S. S. Tillett 1956-7-9 678 Siskiyou N side Scott Mtn divide, headwaters of Mule Creek, Siskiyou Trinity line, 8 miles SE of Callahan. 1616 Comment
  JEPS124565 Image available Prunella vulgaris subsp. lanceolata Rechen 1964-7-8 88 Siskiyou 5.5 miles north of Dead Horse Summit. Comment
  UC61041  Prunella vulgaris var. lanceolata W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Mount Shasta Sisson; , Sisson Comment
  CAS-BOT-BC158208  Prunus emarginata John Thomas Howell 1937-7-25 13449 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC158214  Prunus emarginata John Thomas Howell 1939-8-3 14986 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CDA26150  Prunus emarginata T. C. Fuller 1960-5-26 4345 Siskiyou 2 miles south of Mt. Shasta City. 0 Comment
  JEPS44943  Prunus emarginata W. L. Jepson 1894-8-9 13835 Siskiyou Shasta Springs Comment
  RSA1113  Prunus emarginata E. R. Johnson 1928-8-31 1194 Siskiyou Lava beds between Lookout and Bartle Comment
  UC484192  Prunus subcordata E. R. Johnson 1928-8-31 1195 Siskiyou w edge of Lava Beds National Monument, between Bartle and Lookout Lava Beds National Monument Comment
  CAS-BOT-BC151248  Prunus virginiana var. demissa C. B. Wolf 1931-9-2 2389 Siskiyou Near Fish Hatchery at Mt. Shasta City (Sisson) along edge of ditch. 1066 Comment
  UC179499  Pseudognaphalium thermale A. A. Heller 1914-8-25 11702 Siskiyou opposite Black Butte (along the railroad embankment near Deetz station) 1158 Comment
  UC618787  Pseudotsuga menziesii unknown 1938-9-2 11596 Siskiyou Sisson Southern Trail Mount Shasta, Sisson Southern Trail 1524 Comment
  HSC44886  Pseudotsuga menziesii var. menziesii Maralyn O'Meara 1974-5-25 398 Siskiyou Along road to Duck Lakes trail 1402 Comment
  CAS-BOT-BC72684  Pteridium aquilinum A. A. Heller 1920-8-11 13502 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1158 Comment
  HSC27947  Pteridium aquilinum var. pubescens Carl W. Mize 1972-9-24 123 Siskiyou Old rd. past U-turn 816 Comment
  CAS-BOT-BC147905  Purshia tridentata var. tridentata C. H. M. 1919-9-24 s.n. Siskiyou Ager Comment
  HSC42218  Purshia tridentata var. tridentata S. Saufferer 1973-5-25 230 Siskiyou About 2 mi. NE of Weed, along Hwy. 97 Comment
  RSA121381  Purshia tridentata var. tridentata G. D. Barbe 1955-6-28 13 Siskiyou 0.4 mile N of Callahan 1006 Comment
  RSA605983  Purshia tridentata var. tridentata Louis C. Wheeler 1935-6-13 3571 Siskiyou Mill Creek. Quartz Valley. 945 Comment
  UC30131  Purshia tridentata var. tridentata W. C. Blasdale 1894-7-31 Siskiyou Sisson Comment
  HSC44709  Pyrola dentata J. Sawyer, E. Cope 1977-6-18 2921 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  CAS-BOT-BC462802  Pyrola dentata Marion Ownbey; Fred G. Meyer 1940-7-8 2225 Siskiyou Near summit of Siskiyou Mountains, 17 miles N of Happy Camp Comment
  UC1190175  Pyrola picta Ira L. Wiggins 1955-7-23 13472 Siskiyou Banks of China Creek 1097 Comment
  UC618900  Pyrola picta W. Bridge Cooke 1938-8-5 11455 Siskiyou Mount Shasta, along the Sisson Southern Trail Mount Shasta; , Sisson Southern Trail 1676 Comment
  CAS-BOT-BC466128  Pyrola picta Alice Eastwood 1921-7-26 10859 Siskiyou Soda Creek Comment
  CAS-BOT-BC362386  Pyrrocoma racemosa var. racemosa Elmer I. Applegate 1923-8-21 3925 Siskiyou Willow Creek, south of Lower Klamath Marsh Comment
  CAS-BOT-BC68642  Quercus chrysolepis H. A. Thomas; J. H. Thomas 1954-7-21 4408 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1158 Comment
  CAS-BOT-BC62754  Quercus garryana var. breweri John Thomas Howell 1934-7-4 12383 Siskiyou lava beds between Timbered Crater and Little Hot Springs Valley Comment
  UCD46172  Quercus garryana var. breweri J. M. Tucker 1948-8-3 1780 B Siskiyou Summit of Happy Camp- O'Brien (Oregon) road, on Del Norte-Siskiyou county line, California. 1554 Comment
  RSA47633  Quercus garryana var. garryana Roxana S. Ferris, Laura Lorraine 1948-6-12 11846 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle. 1500 Comment
  RSA476805  Quercus garryana var. garryana Bonnie C. Templeton 1957-6-21 s.n. Siskiyou N of Callahan Comment
  CAS-BOT-BC105474  Quercus kelloggii Roxana S. Ferris; Laura Lorraine 1948-6-12 11961 Siskiyou 2.6 miles below summit of Gazelle Mountain Grade, E side 1417 Comment
  POM106358  Quercus kelloggii Geo. D. Butler 1908-7-4 235 Siskiyou Shasta River Comment
  CAS-BOT-BC104341  Quercus sadleriana Baki Kasapligil 1981-6-26 6192 Siskiyou Around the Lake Bolan, Siskiyou Comment
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Jun 23 2018
  CAS-BOT-BC104343  Quercus sadleriana Marion Ownbey; Fred G. Meyer 1940-7-8 2230 Siskiyou Near summit of Siskiyou Mountains, 20 miles N of Happy Camp Comment
  CAS-BOT-BC104362  Quercus sadleriana Louis C. Wheeler 1934-8-6 3048 Siskiyou Klamath National Forest, Jaynes canyon 1859 Comment
  CAS-BOT-BC104370  Quercus sadleriana G. D. Hanna; Salem Rice 1952-10-17 s.n. Siskiyou Sanger Lake Comment
  HSC19221  Quercus sadleriana J. O. Sawyer 1968-9-13 706 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  HSC62285  Quercus sadleriana Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  POM267243  Quercus sadleriana Marion Ownbey, Fred G. Meyer 1940-7-8 2230 Siskiyou Near summit of Siskiyou Mountains, 20 miles north of Happy Camp. Comment
  RSA12503  Quercus sadleriana Carl B. Wolf 1934-7-4 5933 Siskiyou Horse Creek road to Dry Lake Lookout, Siskiyou Mountains. 13 miles from Horse Creek Bridge on Klamath River. 1372 Comment
  UCD47243  Quercus sadleriana P. C. Everett; E. K. Balls 1954-10-12 20274 Siskiyou Horse Creek to Dry Lake Lookout, 2 miles west of Lookout, Siskiyou County. 1920 Comment
  UCD47252  Quercus sadleriana R. G. Schultz 1965-10-1 1 Siskiyou Red Rock Valley, Siskiyou County, California. 1584 Comment
  UCD59190  Quercus sadleriana Steve Edwards; Wayne Roderick 1983-7-10 105 Siskiyou East of Cook and Green Pass 1524 Comment
  UCSB1234  Quercus sadleriana Mason, Herbert 1950-7-16 Siskiyou Road from Happy Camp, California, to Waldo, Oregon Comment
  HSC19223  Quercus vacciniifolia J. O. Sawyer 1968-6-18 247 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  HSC69126  Quercus vacciniifolia Maralyn A. Renner 1980-8-7 2382 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  HSC74930  Quercus vacciniifolia J. P. Smith, Jennifer Whipple 1978-7-2 9975 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  POM211265  Quercus vacciniifolia Louis C. Wheeler 1934-9-4 3242 Siskiyou Bear Creek off West Fork Beaver Creek. 1372 Comment
  UC338544  Quercus vacciniifolia unknown 1889-9-7 Siskiyou near Sisson's; Mt. Eddy Comment
  UCD14013  Quercus vacciniifolia John M. Tucker 1948-8-3 1776 Siskiyou California, Siskiyou Co.; 6.7 mi. (by road) below the summit of Happy Camp - Waldo road; Comment
  UCD47466  Quercus vacciniifolia Beecher Crampton 1956-8-21 3847 Siskiyou Canyon of the Sacramento River just above the junction of the North Fork with Middle and South Forks, southwest of Mt. Shasta City, Siskiyou County. 1066 Comment
  UCD135381  Raillardella pringlei Bruce G. Baldwin 1986-7-21 617 Siskiyou Shasta-Trinity National Forest, around 0.25 miles north of Gumboot Lake along gumboot Creek (near Mount Eddy). Comment
  UCR93355  Ranunculus alismifolius Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Sierra Nevada Mtns, 31 mi. NE of Bartle, meadow at junction of Medicine Lake Rd & road to Schonchin Springs, at Headquarters Camp 1982 Comment
  UC165955  Ranunculus eschscholtzii var. suksdorfii Geo. D. Butler 1908-8-5 349 Siskiyou summit above Cold Spring; Wooly Creek Comment
  HSC101561  Ranunculus testiculatus J. P. Smith, J. O. Sawyer 2010-5-6 12816 Siskiyou Along Road 9KO2, N of Irongate Reservoir. 755 Comment
  SJSU6491  Ranunculus uncinatus R. W. Trivelpiece 1972-6-14 107 Siskiyou Vann Cr near Bear Peak c. 15 mi SW of Happy Camp 1280 Comment
  UC1211981  Rhamnus crocea Victor A. Zullo 1962-2-12 Siskiyou between Etna and Callahan (s side of Horseshoe Gulch, a side canyon of McConaughy Gulch, on the e side of Scott Valley); Scott Valley, Horseshoe Gulch, McConaughy Gulch Comment
  SEINET4855298  Rhamnus obtusissima E. B. Copeland 1903-8-15 3833 Siskiyou Sisson. 1098 Comment
  RSA184694  Rhodiola integrifolia subsp. integrifolia Gilbert Muth 1966-7-31 474 Siskiyou North side of Black Mountain, Marble Mountains 2058 Comment
  HSC96319  Rhododendron columbianum Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 476 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  UCSB16775  Rhododendron macrophyllum Muller, Katherine 1954-6-23 Siskiyou Siskiyou Mt., 1 mi. below Hazel View Summit, 3 mi. NE of Idlewild 742 Comment
  UC1333305  Rhododendron occidentale Dorothy Parker 1949-6-6 Siskiyou Salmon Mountain Range, French Creek French Creek; Salmon Mountain Range, French Creek 1371 Comment
  HSC69107  Rhododendron occidentale var. paludosum Maralyn A. Renner 1980-8-6 2300 Siskiyou Cracker Meadow 1555 Comment
  CAS-BOT-BC200743  Rhus aromatica L. R. Short 1933-5-24 132 Siskiyou Klamath National Forest. Bank of Klamath River 548 Comment
  CHSC71272  Rhus aromatica Vernon H. Oswald; Lowell Ahart 1998-6-11 9173 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed: 1066 Comment
  CDA25521  Ribes aureum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2623 Siskiyou 200 meters north of Hamilton Street on Highway 3, north edge of Fort Jones. Comment
  RSA47644  Ribes binominatum Roxana S. Ferris, Laura Lorraine 1948-6-12 11769 Siskiyou About 6 miles from Etna on forks of Salmon Road. 1707 Comment
  UC1408859  Ribes binominatum Frederick W. Oettinger 1969-7-15 1025 Siskiyou between Diamond Lake and Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  CAS-BOT-BC108768  Ribes cereum Alice Eastwood; John Thomas Howell 1940-6-14 8269 Siskiyou Lava Beds National Monument near Schonchin Butte. Comment
  HSC19430  Ribes lacustre J. O. Sawyer 1968-7-9 451 Siskiyou W of Little Duck Lake. 1936 Comment
  SJSU2554  Ribes lacustre H. L. Buckalew 1962-7-7 Siskiyou Poker Flat c. 3 mi W of junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts. 1143 Comment
  UC11567  Ribes lacustre Harley P. Chandler June, 1901 1561 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  RSA0021105  Ribes lacustre Frederick W. Oettinger 1968-8-6 426 Siskiyou SE corner of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  CAS-BOT-BC173394  Ribes lobbii Geo. D. Butler 1910-7-14 1782 Siskiyou Shackleford Creek Comment
  HSC65646  Ribes lobbii J. P. Smith 1976-5-21 8777 Siskiyou Klamath National Forest, FS Rd. 40N08, 12.3 mi. from its junction with Hwy. 3 1220 Comment
  UC1190176  Ribes lobbii Ira L. Wiggins 1955-7-22 13460 Siskiyou ridge w China Creek (s side of river); S Fork of Salmon River 960 Comment
  SEINET10482942  Ribes nevadaense Mary Susan Taylor 1980-6-23 Taylor 2946 Siskiyou T39N R6W se sec 25 Dunsmuir quad. Shasta-Trinity Natl Forest; bog around Cedar Lake, ca. 11 mi SW of Mt Shasta City; peaty soils over gabbro. 1737 Comment
  CAS-BOT-BC217881  Ribes nevadense Marcus E. Jones 1931-7-17 29003 Siskiyou Shasta City (Session's) Comment
  CAS-BOT-BC217883  Ribes nevadense Lester Rowntree 1935-5-31 s.n. Siskiyou Happy Camp Road Comment
  OBI2051  Ribes nevadense J. H. Applegarth 1969-6-19 s.n. Siskiyou W of cow Crk, tributary of Beaver crk 1829 Comment
  RSA0022719  Ribes nevadense var. glaucescens Roxana S. Ferris, Laura Lorraine 1948-6-12 11802 Siskiyou At Mule Creek crossing on Scott Mountain Road south of Callahan. 1494 Comment
  HSC634  Ribes roezlii William J. Ferlatte 1967-6-29 572 Siskiyou Along Yellow Rose Mine Trail 1829 Comment
  RSA0018039  Ribes roezlii I. L. Wiggins 1950-5-28 12374 Siskiyou Above Grouse Creek, about 1.5 miles from Carmen Lake. 1585 Comment
  CAS-BOT-BC200004  Ribes roezlii var. cruentum Louis C. Wheeler 1934-6-28 2815 Siskiyou Klamath National Forest. Little Soda Creek 1066 Comment
  CAS-BOT-BC168797  Ribes viscosissimum H. A. Thomas; J. H. Thomas 1954-7-24 4488 Siskiyou Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville, Salmon - Trinity Mts. 1981 Comment
  RSA0020917  Ribes viscosissimum M. B. Dunkle 1944-7-26 9045 Siskiyou Siskiyou National Forest. 1829 Comment
  CAS-BOT-BC362934  Rigiopappus leptocladus Geo. D. Butler 1910-5-17 1354 Siskiyou Yreka Comment
  JEPS53850  Rorippa curvisiliqua Geo. D. Butler 1908-6-28 121 Siskiyou Oro Fino Comment
  UCD77974  Rorippa curvisiliqua Robert E. Preston 2002-7-14 1928 Siskiyou Klamath National Forest, N slope of Rainbow Mountain 1763 Comment
  RSA237289  Rorippa curvisiliqua Frederick W. Oettinger 1969-7-29 1096 Siskiyou Dry Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UCD115286  Rorippa curvisiliqua Jack Major; M. Fleschner, R. Pemble 1966-9-3 s.n. Siskiyou along Canyon Creek, northeast of Marble Mountain. 1569 Comment
  SEINET8986573  Rosa Unknown 1896-1 1882 (35) Siskiyou Siskiyou Co. Comment
  UC375394  Rosa californica Geo. D. Butler 1908-9-6 1045 Siskiyou dry land near Yreka Comment
  RSA715952  Rosa eglanteria L. Ahart, J. Dittes 2005-6-10 12065 Siskiyou E of a poor dirt road. About 90 yards NE of the pump house along the Shasta River. About 1.9 miles (air) S of Hwy 99/97 cutoff. About 6 miles (air) ESE of Grenada. 777 Comment
  CAS-BOT-BC146751  Rosa gymnocarpa A. M. Vollmer; L. Beane 1951-6-2 52 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway Comment
  CAS-BOT-BC146753  Rosa gymnocarpa Doris K. Kildale 1929-8-24 9065 Siskiyou Trail to Preston Peak, between Young's Valley & Rattlesnake Meadow 1524 Comment
  POM88242  Rosa gymnocarpa Geo. D. Butler 1910-5-30 1437 Siskiyou Humbug Mountain 1220 Comment
  HSC60785  Rosa pisocarpa Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  POM140216  Rosa pisocarpa E. B. Copeland 1904-08 s.n. Siskiyou Mt. Shasta region Comment
  UC768887  Rosa pisocarpa Doris K. Kildale 1929-7-20 8715 Siskiyou Raspberry Lake upper Indian Creek 1828 Comment
  UC1871378  Rosa pisocarpa subsp. ahartii Barbara Ertter 2006-7-30 18746 a Siskiyou Little Shasta Road at upper crossing of Little Shasta River, Cascade Range ca 20 air mi E of Yreka. 1463 Comment
  UC1034621  Rosa rubiginosa Douglas Barbe 1955-6-27 3 Siskiyou 0.8 mile north in the dredgins near Hjertagers' Mill Callahan; Klamath Mountains 975 Comment
  LA208215  Rubus glaucifolius Louis C. Wheeler; 3233 Siskiyou Siskiyou Mountains, Bear Creek off W. Fork Beaver Creek 1767 Comment
  POM211266  Rubus glaucifolius Louis C. Wheeler 1934-8-31 3233 Siskiyou Bear Creek off West Fork Beaver Creek 1768 Comment
  HSC29361  Rubus lasiococcus Frederick W. Oettinger 1968-8-5 415 Siskiyou Marble Mountain Wilderness Area, W end of Charmaine Lake 1921 Comment
  HSC59593  Rubus leucodermis J. P. Smith, Steve Selva 1970-6-16 4052 Siskiyou 7 mi. W of Etna on road to Sawyers Bar. 1280 Comment
  HSC69537  Rubus leucodermis Maralyn A. Renner 1980-8-6 2253 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  UC329936  Rubus leucodermis J. G. Lemmon 1888-9-7 Siskiyou near Mt. Eddy; near Mt. Eddy Comment
  HSC82  Rubus parviflorus William J. Ferlatte 1966-8-18 421 Siskiyou Along the South Fork of the Salmon River between the campground and Carter's 1524 Comment
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Jan 4 2015
  HSC99747  Rubus parviflorus Carl W. Mize 1972-6-22 93 Siskiyou Cut bank 1 1/2 mi. from Offield Lookout 854 Comment
  CAS-BOT-BC157162  Rubus ursinus A. A. Heller 1916-6-20 12419 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  JEPS39889  Rumex acetosella Geo. D. Butler 1908-7-23 515 Siskiyou block w Depot; Yreka Comment
  SBBG30520  Rumex acetosella D. Myrick 1968-6-24 2001 Siskiyou Mountain Meadow Ranch, Big Flat; Coffee Crk 1524 Comment
  SEINET4903549  Rumex acetosella Jack Seely 1991-6-3 s.n. Siskiyou Klamath National Forest, Gordon's Ferry. Comment
  SEINET10733756  Rumex maritimus Andrew Townesmith, Karen M. Meyer 2007-8-3 Townesmith 897 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along Forest Service road 46N50, 4.4 miles NW of intersection with state route 96. Collected on uphill side of road (just above House Creek Botanical Area). T46N R11W S12. 593 Comment
  CHSC88096  Rumex salicifolius Jenny Marr 1993-7-1 106 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA237784  Sagina decumbens subsp. occidentalis Frederick W. Oettinger 1969-4-19 1467 Siskiyou Near Abbots. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  UC1190183  Sagina saginoides Ira L. Wiggins 1955-7-22 13445 Siskiyou 9.5 mi. above Cecilville (S. Fork Salmon R.); S. Fork Salmon R. 1066 Comment
  UC618782  Sagina saginoides W. Bridge Cooke 1938-7-1 11153 Siskiyou Wagon Camp - upper meadow Mt. Shasta; , Wagon Camp Comment
  UC482248  Salix Mrs. H. P. Bracelin 1931-6-19 422 Siskiyou ca. 16 km. n.w. of Shasta City (n.e. side Mt. Eddy, above Metcalf ranch house); Mt. Eddy 1500 Comment
  HSC45040  Salix delnortensis J. O. Sawyer, E. Cope 1977-6-19 2953 Siskiyou Clear Creek Trail between Preston Creek and Trout Camp 915 Comment
  HSC76982  Salix eastwoodiae K. T. Stillman 1976-6-25 74 Siskiyou Marble Mtn. Wilderness Area 1799 Comment
  RSA238026  Salix eastwoodiae Frederick W. Oettinger 1968-8-2 364 Siskiyou E outlet of Diamond Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2073 Comment
  UC1409267  Salix eastwoodiae Frederick W. Oettinger 1968-8-2 364 Siskiyou e outlet of Diamond Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2072 Comment
  UC846308  Salix eastwoodiae John Thomas Howell 1939-8-5 15078 Siskiyou Spirit Lake; Marble Mts. Comment
  CAS-BOT-BC107654  Salix jepsonii Alice Eastwood 1921-7-24 10716 Siskiyou Castle Lake Comment
  LA208816  Salix lasiandra Mrs. H. P. Bracelin; 1931-6-21 473 Siskiyou N base of Mount Eddy, about 13 km NW of Shasta City; at bridge, about 1.3 km E of Burney Mill 1110.0 Comment
  SEINET12003261  Salix lasiandra H. P. Bracelin 1931-1 468 Siskiyou n side of Mt. Eddy, 21 km NW of Shasta City, below Dobkin's Lake 1770 Comment
  UC449838  Salix lasiandra subsp. lasiandra L. S. Smith 1931-6-1 20 Siskiyou near Mt. Shasta Mt. Shasta 1066 Comment
  CAS-BOT-BC125475  Salix lasiandra var. lasiandra A. A. Heller 1905-6-15 8032 Siskiyou Sisson Comment
  SD1001  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 423 Siskiyou Northeast side of Mount Eddy, about 16 km northwest of Shasta City, edge of stream above Metcalf ranch house 1349 Comment
  CAS-BOT-BC107069  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 412 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1425 Comment
  CAS-BOT-BC107075  Salix lasiolepis Mrs. H. P. Bracelin 1936-9-3 854 Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  POM219888  Salix lasiolepis H. P. Bracelin 1931-6-19 409 Siskiyou NE side of Mt Eddy. About 16 km NW of Shasta City. Above Metcalf ranch house. 1425 Comment
  UC481899  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 409 Siskiyou about 16 km nw Shasta City (ne side of mt., edge of stream above Metcalf ranch house); Mount Eddy 1425 Comment
  UC482342  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-22 476 Siskiyou Gibson flag station Pit River (125 km n of Red Bluff) 450 Comment
  CAS-BOT-BC124533  Salix lasiolepis var. lasiolepis Doris K. Kildale 1929-4-27 7850 Siskiyou Cecilville, upper south fork of Salmon River Comment
  HSC28665  Salix lemmonii Frederick W. Oettinger 1969-7-18 1060 Siskiyou Marble Mtn. Wilderness Area, E side of Upper English Lake 1890 Comment
  LA208891  Salix lemmonii Mrs. H. P. Bracelin; 1931-6-21 467 Siskiyou N side of Mount Eddy, about 21 km NW of Shasta City; 180 m. below Dobkin's Lake 1770.0 Comment
  CAS-BOT-BC125684  Salix melanopsis Doris K. Kildale 1928-8-18 6416 Siskiyou North Fork of Salmon River at Finley Camp Comment
  CAS-BOT-BC126133  Salix scouleriana L. S. Smith 1931-6-7 13 Siskiyou Mt. Shasta 1066 Comment
  CAS-BOT-BC126155  Salix scouleriana Alice Eastwood 1912-7-17 1179 Siskiyou Sisson Comment
  HSC19409  Salix scouleriana J. O. Sawyer 1968-7-10 497 Siskiyou Lower slopes grading to terrace of a temporary stream. 1768 Comment
  HSC65499  Salix scouleriana R. White 1977-6-20 90 Siskiyou NE area around Devil's Punchbowl 1433 Comment
  HSC99834  Salix scouleriana G. L. Clifton 1979-7-1 6189 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  POM107274  Salix scouleriana Geo. D. Butler 1908-8-11 148 Siskiyou Shackleford Creek. Comment
  RSA238266  Salix scouleriana Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1308 Siskiyou English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1738 Comment
  SBBG57986  Salix scouleriana Mrs. H. P. Bracelin 1931-6-21 472 Siskiyou N base of Mount Eddy, ca. 13 km NW of Shasta City, at bridge, ca. 1.3 km E of Burney Mill 1110 Comment
  UC375224  Salix scouleriana Geo. D. Butler 1909-4-11 1079 Siskiyou Shasta Retreat Comment
  UC576386  Salix scouleriana Mrs. H. P. Bracelin 1936-9-3 862 Siskiyou 11 mi. n.w. Shasta City (ca. 2 mi. e. of Burney Mill, at first bridge, n. base Mt. Eddy); n. base Mt. Eddy Comment
  UCR142839  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou East side of Mount Eddy, about 17 km. northwest of Shasta City, Wagon Creek Canyon c. 1 km up from Metcalf ranch house 1170 Comment
  HSC91184  Salix sitchensis Jennifer Whipple 1976-6-19 1065 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC220738  Salvia W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox Comment
  RSA105379  Sambucus caerulea G. D. Barbe 1955-7-5 96 Siskiyou 5.7 miles south of Etna on French Creek Road 884 Comment
  UC164071  Sambucus mexicana Geo. D. Butler 1910-5-29 1425 Siskiyou near Yreka Comment
  CAS-BOT-BC238879  Sambucus nigra subsp. caerulea Geo. D. Butler 1910-5-29 1425 Siskiyou Near Yreka Comment
  HSC65135  Sambucus nigra subsp. caerulea J. P. Smith, Steve Selva 1970-7-15 4347 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  CAS-BOT-BC236479  Sambucus racemosa subsp. racemosa Wm. Bridge Cooke 1938-9-8 11674 Siskiyou South side of Red Butte, Mount Shasta 2286 Comment
  CHSC33037  Saponaria officinalis J. P. Smith; Steve Selva 1970-7-16 4404 Siskiyou 1 mile east of O'Neill Campground; sandbar and roadside. 579 Comment
  UCD118035  Sarcodes sanguinea D. V. Hemphill 1974-7-28 s.n. Siskiyou Stanshaw Trail, 1/4 mile south of Jawbone Camp, Marble Mountain Wilderness Area. 1554 Comment
  RSA237374  Saxifraga Frederick W. Oettinger 1967-7-8 154 Siskiyou North-facing cliff between Big Blue Lake and Hogan Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  JEPS26621  Saxifraga ferruginea Herbert L. Mason Jul 18 1961-Jul 22 1961 15125 Siskiyou 1 mi over ridge and se of Castle Lake (Little Castle Lake); Little Castle Lake 1691 Comment
  JEPS84347  Saxifraga ferruginea L. R. Heckard with J. Hickman et al. 1986-7-17 6531 Siskiyou se of Condry Mountain (road end area and camp overlooking s end of Alex Hole); Alex Hole 1980 Comment
  RSA238314  Saxifraga odontoloma Frederick W. Oettinger 1968-8-24 629 Siskiyou Bear Upper Meadow, Toms Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  RSA261464  Saxifraga oregana J. M. Tucker 1974-7-26 4292 Siskiyou Let Er Buck Meadows, ca. 0.5 mile southeast of Haypress Meadows, Marble Mountain Wilderness Area. 1433 Comment
  HSC19458  Saxifragopsis fragarioides J. O. Sawyer 1969-8-2 1714 Siskiyou Summit W of Little Duck Lake 2409 Comment
  CAS-BOT-BC283649  Schedonorus pratensis Louis C. Wheeler 1934-6-26 2796 Siskiyou Cottonwood Creek, Siskiyou Mountains 838 Comment
  CHSC106106  Schoenoplectus acutus var. occidentalis Lowell Ahart; John Dittes 2010-7-30 16972 -A Siskiyou Along the south edge of the Shasta River, about 50 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  SEINET5717258 Image available Schoenoplectus acutus var. occidentalis Philip E. Hyatt 2002-1 11138 Siskiyou Happy Camp community, Along Klamath River. north riverbank of Klamath River within 10 feet of water. 41 deg. 47' 36.1'' 123 deg. 22. 05'.3''. Comment
  UCSB24582  Schoenoplectus pungens Breedlove, Dennis 1962-6-10 Siskiyou On the north bank of the Klamath River at its junction with Goff Creek; 4.5 miles west of Seiad 411 Comment
  JEPS117616  Scirpus acutus var. occidentalis Lowell Ahart, John Dittes 2010-7-30 16972 -A Siskiyou Along the south edge of the Shasta River, about 50 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  JEPS63985  Scirpus americanus B. C. Goldsmith 1916-9-9 23 Siskiyou Klamath Hot Springs Comment
  HSC69227  Scirpus congdonii Maralyn A. Renner 1980-8-31 2617 Siskiyou Twin Valley. 1494 Comment
  CAS-BOT-BC111094  Scirpus microcarpus Alice Eastwood 1912-7-21 1289 Siskiyou Sisson Comment
  JEPS83993  Scirpus microcarpus L. R. Heckard, and J. C. Hickman 1986-7-16 6448 Siskiyou ca 5 mi n of the town Seiad Valley (Lily Pad Lake, se of Red Butte); se of Red Butte, n of Seiad Valley, Lily Pad Lake 1770 Comment
  SEINET3915118  Scirpus validus K. Morris, Conrad; Dunn 1973-6-2 347 Siskiyou Found at the junction of Shasta and Klamath River on Hwy 263.; 0 Comment
  RSA65631  Scleranthus annuus L. C. Wheeler 1935-6-15 11801 Siskiyou Greenview, Scott Valley. 884 Comment
  UC852754  Scleranthus annuus subsp. annuus Louis C. Wheeler 1935-6-15 3585 Siskiyou Scott Valley Greenview; Scott Valley 883 Comment
  JEPS62914  Scutellaria antirrhinoides W. L. Jepson July 1894 21225 Siskiyou Sisson Comment
  UC163835  Scutellaria antirrhinoides Geo. D. Butler 1910-7-9 1690 Siskiyou Shackleford Creek 1219 Comment
  UC1023836  Scutellaria antirrhinoides Milo S. Baker and Douglas Barbe 1955-7-1 80 Siskiyou just behind Callahan (to the north); Klamath Mountains 975 Comment
  UC1408772  Scutellaria antirrhinoides Frederick W. Oettinger 1969-8-1 1128 Siskiyou High Lake Basins in vicinity of English Peak (below English Lake,); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  RSA105428  Scutellaria siphocampyloides Douglas Barbe 1955-7-1 80 Siskiyou Steep rocky hill just behind Callahan to the north. 976 Comment
  UC1585427  Sedum R. Raiche, K. Zadnik, and H. Forbes 1989-10-3 UCBG 39 Siskiyou on Seiad Valley Rd. 10.5 km n Hwy 96 (toward Cook and Green Pass, Seiad Valley area, ridge at junction between the West and East Forks of Seiad Creek); Seiad Valley area, btwn West and East Forks Seiad Creek 975 Comment
  CAS-BOT-BC64647  Sedum kiersteadiae E. B. Copeland 1903-8-18 3781 Siskiyou Mt. Eddy 2133 Comment
  JEPS57176  Sedum lanceolatum L. R. Heckard 1967-8-13 1698 Siskiyou summit region Mt. Eddy; summit region Mt. Eddy 2743 Comment
  HSC101238  Sedum laxum subsp. heckneri P. F. Zika 2011-7-19 25640 Siskiyou W side of FS Rd. 1040, 2.9 road miles above junction with FS Rd. 10, above Middle Fork Applegate River, 1 air mile NW of Abney Butte, Siskiyou Mountains 675 Comment
  UCD77119  Sedum obtusatum Robert E. Preston 2001-6-30 1648 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W nw 1/4 of se 1/4 Section 14 1828 Comment
  HSC19544  Sedum obtusatum subsp. retusum J. O. Sawyer 1969-6-13 1109 Siskiyou Slope above Little Duck Lake 2134 Comment
  HSC25457  Sedum obtusatum subsp. retusum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5652 Siskiyou E of Cook and Green Pass 1524 Comment
  RSA603161  Sedum oregonense L. C. Wheeler 1934-7-3 2847 Siskiyou Head of Soda Crk, Sterling Mt, Siskiyou Mtns. (Mt. Diablo Mer.) 677 Comment
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Oct 12 2020
  UC1190125  Sedum radiatum Ira L. Wiggins 1955-7-22 13458 Siskiyou ridge w China Creek (s side of S Fork Salmon River); , w of China Creek 944 Comment
  UC1585404  Sedum spathulifolium R. Raiche, K. Zadnik, and H. Forbes 1989-10-3 UCBG 40 Siskiyou n of Seiad Valley on Seiad Valley Rd. 12.3 km n Hwy 96 (toward Cook and Green Pass, along East Fork Seiad Creek); East Fork Seiad Creek, n of Seiad Valley 900 Comment
  POM25601  Selaginella densa var. scopulorum E. B. Copeland 1903-10-9 273 Siskiyou Mt. Eddy 1524 Comment
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Jan 23 2011
  CAS-BOT-BC364047  Senecio integerrimus var. major H. A. Thomas; J. H. Thomas 1954-7-25 4525 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  HSC82291  Senecio integerrimus var. major Thomas W. Nelson, Jane P. Nelson 1979-6-15 4824 Siskiyou Trinity-Siskiyou county line; at the head of Scott Mt. Creek at Scott Mt. Campground 1646 Comment
  JEPS101631  Senecio streptanthifolius var. laetiflorus Dean W. Taylor 1998-6-17 16559 Siskiyou base of hillslopes ca. 4 miles S of Gazelle, bordering Shasta Valley (ca. 15 air mi S Yreka) Comment
  HSC69328  Senecio sylvaticus John Palmer 1980-8-12 745 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  CAS-BOT-BC364428  Senecio triangularis John Thomas Howell 1939-8-7 15135 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC364787  Sericocarpus oregonensis subsp. oregonensis A. A. Heller 1914-8-25 11700 Siskiyou Near Deetz Station opposite (near) Black Butte 1158 Comment
  CAS-BOT-BC213139  Sidalcea Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  JEPS67251  Sidalcea oregana subsp. oregana Geo. D. Butler 1909-6-4 768 Siskiyou below Yreka; below Yreka Comment
  POM84657  Sidalcea oregana subsp. spicata Geo. D. Butler 1910-7-6 1643 Siskiyou Quartz Valley Comment
  LA212243  Sidalcea ranunculacea Geo. E. Julian; Bill Baker 1962-7-20 s.n. Siskiyou Mount Shasta. 1523 Comment
  HSC4177  Silene campanulata subsp. glandulosa Geo. D. Butler 1909-5-31 772 Siskiyou Humbug Comment
  CAS-BOT-BC181190  Silene campanulata subsp. glandulosa Doris K. Kildale 1929-5-31 9170 Siskiyou South Fork Salmon River at Cecilville Comment
  HSC62001  Silene campanulata subsp. greenei Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  RSA714935  Silene douglasii M. E. Fishbein, Lane Greer 2006-8-3 5880 Siskiyou Paynes Creek, above Paynes Springs, about 2 miles SE of Medicine Lake. 1990 Comment
  CAS-BOT-BC388955  Silene grayi Alice Eastwood 1912-8-30 2007 Siskiyou Mount Eddy Comment
  JEPS26588  Silene grayi Peter Kamb 1949-8-25 1492 Siskiyou above Horse Camp; sw slope of Mt. Shasta above Horse Camp 2895 Comment
  JEPS57175  Silene grayi L. R. Heckard 1967-8-13 1700 Siskiyou summit region of Mt. Eddy 2743 Comment
  UC1602154  Silene grayi Wm. M. Canby in company with Profs. C. S. Sargent and John Muir 1897-9-7 20 Siskiyou Mt. Shasta 2438 Comment
  UCD98594  Silene grayi Dean Wm. Taylor 1975-8-14 5465 Siskiyou Mt. Shasta, between Shasta Ski area and Green Butte. 2590 Comment
  RSA12664  Silene latifolia C. B. Wolf 1934-7-7 6032 Siskiyou Along upper Sacramento River, ar[ound] Dunsmuir. Comment
  CAS-BOT-BC389428  Silene lemmonii Wm. Bridge Cooke 1940-6-7 15104 Siskiyou Along the Pacific Highway near Black Butte Comment
  UC1475705  Silene marmorensis Clifton and Griswold 1979-6-26 6006 Siskiyou close to town Forks of Salmon (Little North Fork, near Salmon River); Sawyer's Bar Quad., near Salmon River, Little North Fork 683 Comment
  UCR51823  Silene vulgaris J. O. Sawyer, K. T. Stillman 1976-7-1 2792 Siskiyou Along the Little North Fork of the Salmon River. 732 Comment
  CAS-BOT-BC389910  Silene vulgaris R. S. Richards 1967-6-15 s.n. Siskiyou Hwy 3, 1 mi. s. of Etna Comment
  HSC40424  Silene vulgaris J. O. Sawyer 1973-7-16 2542 Siskiyou Trail along Canyon Creek above Jct. with Wooley Creek 488 Comment
  RSA592540  Sisymbrium altissimum S. O. Mattoon, Ken Hansen 1978-6-16 31 Siskiyou Hwy 96; S/S of Klamath River at Woodrat Bar. 610 Comment
  CDA39480  Sisyrinchium douglasii F. D. Horn & D. H. Shaw 1978-3-1 s.n. Siskiyou Shasta River Canyon near Yreka. 0 Comment
  UC144301  Smilax californica A. A. Heller 1905-6-5 7973 Siskiyou between Shasta Retreat and Shasta Springs Comment
  CHSC1941  Solanum parishii M. Yoder 1941-7-21 Siskiyou Castle Lake. 1981 Comment
  CAS-BOT-BC157049  Solanum umbelliferum D. Parker 1950-6-15 451 Siskiyou Along Kidder Creek 914 Comment
  SEINET12765229  Solidago californica Vernon Oswald, Lowell Ahart 1997-7-28 8791 Siskiyou Southeast of Medicine Lake at Paynes Springs.; 0 1981 Comment
  CAS-BOT-BC365572  Solidago elongata G. B. Grant 1902-9-11 s.n. Siskiyou Sisson Comment
  HSC38596  Solidago elongata J. P. Smith, J. O. Sawyer 1972-9-13 5782 Siskiyou 0.5 mi. W of Cook and Green Pass on road to Lily Pad Lake Comment
  CAS-BOT-BC365560  Solidago elongata H. A. Thomas; J. H. Thomas 1954-7-25 4534 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  RSA749254  Solidago multiradiata K. M. Meyer, A. Townesmith 2007-7-31 178 Siskiyou Shasta-Trinity National Forest. 8.1 mi. on NF Rd. 17, off US Hwy 97. 1607 Comment
  UC163917  Solidago velutina subsp. californica Geo. D. Butler 1910-7-30 1800 Siskiyou Yreka Creek Comment
  CDA7674  Sonchus arvensis subsp. uliginosus T. C. Fuller 1963-8-27 11162 Siskiyou South side of Dorris-Tulelake Road where the roadbed forms the north shore of Lower Klamath Lake, Lower Klamath Lake Wildlife Refuge, ca. 12 miles west of Hatfield. 0 Comment
  CAS-BOT-BC157321  Sorbus californica Wm. Bridge Cooke 1938-7-22 11341 Siskiyou Sisson Southern Trail spring Comment
  CAS-BOT-BC157323  Sorbus californica Ira L. Wiggins 1955-7-27 13554 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  POM88253  Sorbus californica Geo. D. Butler 1908-8-26 282 Siskiyou Salmon Mountain. 1677 Comment
  RSA237828  Sorbus californica Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1276 Siskiyou SE end of English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1799 Comment
  CAS-BOT-BC158930  Sorbus scopulina K. T. Stillman 1976-6-25 86 B Siskiyou N sie of Elk Valley, Marble Mountain Wilderness area 1798 Comment
  CLARK-A1528-7822  Sorbus scopulina John C. Roos 1948-9-1 3984 Siskiyou Etna Comment
  SBBG33705  Sorbus scopulina W. M. Plumb 1969-9-23 Siskiyou Indian Crk 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
  HSC18957  Sparganium angustifolium J. O. Sawyer 1969-8-1 1601 Siskiyou Behind Horseshoe Lake 1921 Comment
  SEINET7707713  Spiraea douglasii G. D. Butler 1910-7-9 1708 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC152555  Spiraea splendens Doris K. Kildale 1929-7-20 8729 Siskiyou Raspberry Lake, near east spur Peston Peak Comment
  SEINET7707976  Spiraea splendens G. D. Butler 1910-7-9 1710 Siskiyou Wooly Creek 1676 Comment
  RSA45336  Spiranthes porrifolia Dorothy Parker 1947-7-13 203 Siskiyou Plowmans Valley. Comment
  HSC551  Spiranthes romanzoffiana William J. Ferlatte 1966-8-17 391 Siskiyou Trinity Alps: Caribou Basin 1982 Comment
  RSA183648  Stachys rigida subsp. quercetorum Gilbert Muth 1965-8-16 221 Siskiyou On trail behind Blk. Mt., Marble Mts. Comment
  HSC29311  Stachys rigida var. rigida Frederick W. Oettinger 1969-8-19 1461 Siskiyou Marble Mountain Wilderness Area, below old Tanners Peak trail 1860 Comment
  JEPS20033  Stellaria media George D. Butler 1909-3-19 559 Siskiyou near Yreka (on Butler's Ranch) Comment
  RSA69524  Stenanthium occidentale J. T. Howell 1939-8-5 15070 Siskiyou Spirit Lake, Marble Mtns 1829 Comment
  JEPS36850  Stephanomeria lactucina Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Mt. Shasta, half-way up Region of the Upper Sacramento Comment
  SBBG21770  Stephanomeria lactucina D. Myrick 1964-7-25 945 Siskiyou Shasta Ski Bowl Hwy, Mt Shasta 1219 Comment
  POM56351  Stephanomeria lactucina Copeland 1903-8-15 3838 Siskiyou Sisson. Comment
  JEPS81795  Stephanomeria paniculata Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6778 Siskiyou 2.3 mi above Mt. Shasta town (Sisson) (along Everitt Memorial Highway to Panther Meadow, at sw base of Mt. Shasta); Mt. Shasta 1219 Comment
  HSC30690  Stipa occidentalis var. occidentalis Frederick W. Oettinger 1969-8-3 1141 Siskiyou Marble Mtn. Wilderness Area, above English Lake 2195 Comment
  HSC64367  Stipa thurberiana Don Bateman 1980-7-1 Siskiyou 12 mi. E of Macdoel. 1372 Comment
  HSC75346  Streptanthus barbatus J. O. Sawyer, M. Mesler 1980-8-10 4027 Siskiyou Just W of Carmen Lake 1585 Comment
  CAS-BOT-BC87841  Streptanthus tortuosus Alice Eastwood 1921-7-29 10961 Siskiyou Little Mount Hoffman. Comment
  CAS-BOT-BC87854  Streptanthus tortuosus Ira L. Wiggins; Dorothy B. Wiggins 1961-6-15 16492 Siskiyou At quarry on Glass Mountain. 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
  LA51459  Streptanthus tortuosus Reed C. Rollins; 1938-8-21 11555 Siskiyou Mount Shasta, around Horse Camp 2438 Comment
  RSA211226  Streptanthus tortuosus William J. Ferlatte 1966-6-22 79 Siskiyou Josephine Lake basin. Trinity Alps. 1677 Comment
  UC1177926  Streptanthus tortuosus Gene B. Newcomb and Francia Chisaki 1958-6-22 1152 Siskiyou at base of butte just e Highway #99; Black Butte Comment
  CHSC30242  Streptanthus tortuosus var. orbiculatus M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3263 A Siskiyou Little Mt. Hoffman, w side. 2225 Comment
  UC1601623  Streptanthus tortuosus var. orbiculatus Alice Eastwood 1912-7-23 1342 Siskiyou Cantara Comment
  JEPS62164  Streptopus amplexifolius var. americanus Geo. D. Butler 1908-8-8 97 Siskiyou Marble Valley camp Marble Valley 1676 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
  UCD99515  Suaeda occidentalis Verne Grant; Irving Scheider 1947-8-26 8304 Siskiyou by Interstate Highway, Lower Klamath Lake. Comment
  JEPS84333  Swertia albicaulis var. nitida L. R. Heckard with J. Hickman 1986-7-16 6439 Siskiyou ca 5 mi n Seiad Valley town (se of Red Butte); Lily Pad Lake 1770 Comment
  CAS-BOT-BC245845  Symphoricarpos W. R. Dudley 1901-8-18 s.n. Siskiyou Jackson Lake, Salmon Mts. Comment
  JEPS95607  Symphoricarpos albus var. laevigatus Vernon H. Oswald and L. Ahart 1994-8-10 6460 Siskiyou T40N R2E SW1/4 NW1/4 Sec. 18, 4460 ft, Yellow Pine Forest. FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi W of Harris Spring Rd. (FS15), ca. 4 mi (air) NNE of Bartle 1359 Comment
  CAS-BOT-BC234778  Symphoricarpos mollis Carl B. Wolf 1927-8-27 1113 Siskiyou On the Klamath River, Happy Camp Comment
  CAS-BOT-BC234792  Symphoricarpos mollis Wm. Bridge Cooke 1941-9-5 16272 Siskiyou Around the MacBride Springs area, Mt. Shasta Comment
  HSC18890  Symphoricarpos mollis J. O. Sawyer 1968-6-25 334 Siskiyou 1646 Comment
  HSC61152  Symphoricarpos mollis T. Jimerson, J. Pageau 1979-6-15 562 Siskiyou Near Bark Shanty Camp, close to the town of Orleans. 1067 Comment
  UC1045253  Symphoricarpos mollis var. acutus unknown 1940-8-2 15393 Siskiyou near Bear Springs meadow; Mount Shasta Comment
  CAS-BOT-BC245768  Symphoricarpos rotundifolius Gilbert J. Muth 1969-8-7 1259 Siskiyou Boulder Peak Ridge 2468 Comment
  UC165279  Symphyotrichum bracteolatum Geo. D. Butler 1908-8-12 292 Siskiyou near Oro Fino Comment
  CAS-BOT-BC97875  Symphyotrichum eatonii 1902-9-11 5157 Siskiyou Sisson Comment
  UC201308  Symphyotrichum frondosum A. A. Heller 1917-9-7 12977 Siskiyou 2 mi s Grenada; Shasta Valley 914 Comment
  CAS-BOT-BC98433  Symphyotrichum spathulatum Doris K. Kildale 1929-8-24 9102 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  CAS-BOT-BC98855  Symphyotrichum spathulatum var. intermedium Geo. D. Butler 1910-9-11 1880 Siskiyou Near Edgewood Comment
  CHSC63493  Symphyotrichum spathulatum var. spathulatum Vernon H. Oswald; Lowell Ahart 1994-8-1 6420 Siskiyou Forest Rd. 26 paralleling the South Fork of the Sacramento River, 0.3 mi E of Forest Rd. 40N43, 9.0 mi SW of the dam at Lake Siskiyou. 1438 Comment
  CHSC33043  Symphyotrichum subspicatum J. P. Smith; J. O. Sawyer 1972-9-14 5804 Siskiyou Miner's Creek Road just south of French Creek R. between Callahan and Etna. 914 Comment
  HSC6261  Taraxacum officinale D. M. Thomson 1965-6-19 96 Siskiyou Lava Beds National Monument, Captain Jacks Stronghold Comment
  HSC77561  Taraxacum officinale L. P. Janeway 1983-7-10 407 Siskiyou Poker Flat 1524 Comment
  UC74050  Taraxacum officinale T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UCD107054  Taraxia tanacetifolia Wm. E. Moon 1958-5-29 s.n. Siskiyou State Hwy. 97, southwest of Hebron Summit. 1524 Comment
  CAS-BOT-BC81338  Taxus brevifolia Edward Lee 1934-8-11 1039 Siskiyou Walker Creek, a tributary of the Klamath River (east end of Seiad Valley) 609 Comment
  CAS-BOT-BC81351  Taxus brevifolia Louis C. Wheeler 1934-8-14 3138 Siskiyou Klamath National Forest, W. end White Mt. 1828 Comment
  HSC27602  Taxus brevifolia Carl W. Mize 1972-6-10 51 Siskiyou Along Steinacher Creek 0.5 mi. from Wooley Creek 244 Comment
  NY17404  Taxus brevifolia H. E. Brown 1897-6-1 323 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SBBG33706  Taxus brevifolia W. M. Plum 1969-9-23 Siskiyou Parks Crk below China Mtn Comment
  SEINET11739097  Taxus brevifolia R. Gankin, Hildreth, W. R. 1967-1 1186 Siskiyou near trail to Marble Mountain Wilderness Area (Yellow Jacket Ridge) N of Sawyers Bar 1402 Comment
  JEPS82442  Tellima grandiflora Gilbert Muth 1966-7-19 429 Siskiyou Marble Gap Trail Marble Mountain Wilderness Area (along first bluff) 1828 Comment
  RSA237686  Tellima grandiflora Frederick W. Oettinger 1969-7-16 1036 Siskiyou Base of cliffs S of Abbott s Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1860 Comment
  UCD78037  Thalictrum sparsiflorum Robert E. Preston 2001-7-20 1681 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W se 1/4 of ne 1/4 Section 14 1712 Comment
  POM148439  Thelypodium brachycarpum J. B. Feudge 1927-7-24 1670 Siskiyou Trail to Mt Eddy from Sisson. 1677 Comment
  CAS-BOT-BC77736  Thelypteris nevadensis Louis C. Wheeler 1934-8-21 3191 Siskiyou East Fork Horse Creek, Siskiyou Mts. 1219 Comment
  CHSC71476  Thlaspi arvense Vernon H. Oswald; Lowell Ahart 1998-7-21 9322 Siskiyou Hwy. 97 between Weed and Macdoel at the west end of Grass Lake. Roadside. 1524 Comment
  JEPS19777  Thlaspi montanum var. montanum Rimo Bacigalupi with S. Galen Smith 1957-6-26 5951 Siskiyou 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
  UC10968  Thlaspi montanum var. montanum Harley P. Chandler June, 1901 1689 Siskiyou Marble Mountain; North Coast Ranges, Marble Mountain 2438 Comment
  UC165982  Thlaspi montanum var. montanum Geo. D. Butler 1908-8-4 124 Siskiyou head of Shackleford Creek Comment
  CAS-BOT-BC66792  Thysanocarpus curvipes Geo. D. Butler 1910-3-27 1147 Siskiyou Dry hill near Yreka. Comment
  POM95126  Thysanocarpus curvipes var. curvipes Geo. D. Butler 1910-3-27 1147 Siskiyou Near Yreka. Comment
  RSA0049970  Thysanocarpus radians A. A. Heller 1929-5-14 14856 Siskiyou In a field along U.S. Highway #99, 2 miles south of Yreka. Comment
  JEPS80591  Tofieldia occidentalis subsp. occidentalis Gilbert Muth 1966-8-3 499 Siskiyou Marble Valley, water source spring Marble Mt. Wilderness Area 1792 Comment
  UC630396  Tofieldia occidentalis subsp. occidentalis Annetta Carter 1939-8-21 1481 Siskiyou 12 mi SW of Etna (SE end of Taylor Lake); Salmon Mountains 2026 Comment
  UC642566  Tofieldia occidentalis subsp. occidentalis W. Bridge Cooke 1939-7-7 13611 Siskiyou Wagon Camp Mount Shasta 1737 Comment
  UC70447  Tofieldia occidentalis subsp. occidentalis Milo S. Baker 1899-8-4 Siskiyou Dead Horse Canyon Comment
  JEPS49719  Tolmiea menziesii W. L. Jepson 1937-7-30 18516 Siskiyou headwaters of the Illinois River, East Fork Comment
  RSA759841  Tolmiea menziesii R. F. Thorne 1969-8-2 63396 Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak 1159 Comment
  HSC76739  Triantha occidentalis subsp. occidentalis K. T. Stillman 1976-7-15 244 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  RSA0004017  Trichostema lanatum E. B. Copeland 1903-7-2 3534 Siskiyou Klamathon Comment
  UC166586  Trientalis latifolia Geo. D. Butler 1910-5-23 1392 Siskiyou Humbug Mountain 1219 Comment
  RSA237929  Trifolium cyathiferum Frederick W. Oettinger 1969-8-1 1127 Siskiyou Above wiregrass meadow, English Lake basin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1707 Comment
  RSA47668  Trifolium eriocephalum subsp. eriocephalum Roxana S. Ferris, Laura Lorraine, Daniel F. Ferris 1948-6-12 11817 Siskiyou E Fork of Scott River drainage, Parker Ranch, Plowmans Valley. 1204 Comment
  UCD107926  Trifolium eriocephalum subsp. eriocephalum A. H. Murphy 1958-8-4 58 -E Siskiyou Klamath National Forest. Little Elk Lake Marble Mts. 1676 Comment
  CAS-BOT-BC219038  Trifolium howellii Annie M. Alexander; Louise Kellogg 1949-7-30 5904 Siskiyou Sky High Valley, Marble Mountains, edge of stream 1767 Comment
  HSC77108  Trifolium howellii K. T. Stillman 1976-7-31 355 Siskiyou Marble Mountain Wilderness Area, Ridge N of Jump off, 1/2 mi. S of Paradise Lake Comment
  JEPS80509  Trifolium howellii Gilbert Muth 1966-7-24 445 Siskiyou Marble Mtn Wilderness area Marble Valley 1792 Comment
  HSC69178  Trifolium longipes Maralyn A. Renner 1980-8-6 2337 Siskiyou Cracker Meadow 1555 Comment
  HSC71359  Trifolium longipes J. P. Smith, Steve Selva 1970-7-17 4455 Siskiyou Below Kangaroo Lake. 1890 Comment
  HSC78211  Trifolium longipes L. P. Janeway 1983-7-10 400 Siskiyou Poker Flat 1524 Comment
  UC149765  Trifolium longipes var. elmeri Milo S. Baker 1899-7-1 Siskiyou Ash Creek, e slope Mt. Shasta Comment
  UC866839  Trifolium longipes var. shastense A. A. Heller 1915-10-26 12222 Siskiyou near source of Wagon Creek; Mt. Eddy 2590 Comment
  UC1005586  Trifolium macrocephalum Frank W. Gould 1940-5-14 1236 Siskiyou Bull Meadows Goosenest Mountain 1524 Comment
  UC1733732  Trifolium macrocephalum Frank Gould, Kay H. Beach 1940-5-15 1236 Siskiyou Bull Meadows Comment
  UCD109292  Trifolium pratense J. M. Tucker 1950-7-23 1937 Siskiyou Town of Mt. Shasta. Comment
  UC144271  Trifolium variegatum var. melananthum A. A. Heller 1905-6-5 7964 Siskiyou between Shasta Retreat and Shasta Springs Comment
  UC164017  Trifolium willdenovii Geo. D. Butler 1910-5-8 1313 Siskiyou near Yreka Comment
  JEPS66093  Trifolium wormskioldii Geo. D. Butler 1908-7-2 381 Siskiyou near Yreka (Butler's Ranch) Comment
  UC375412  Trifolium wormskioldii Geo. D. Butler 1908-7-2 381 Siskiyou near Yreka Comment
  JEPS47264  Trillium albidum Geo. D. Butler 1909-4-14 669 Siskiyou Humbug Comment
  UC164025  Trillium albidum Geo. D. Butler 1908-7-19 1087 Siskiyou Humbug <road> Comment
  SEINET8502204  Trillium chloropetalum G. D. Butler 1910-4-25 1242 Siskiyou Scott River. Comment
  HSC59701  Trillium ovatum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5671 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  HSC75148  Trillium ovatum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5705 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  RSA78846  Trillium ovatum Philip A. Munz 1952-7-2 17889 Siskiyou Road to Baldy Mountain, NW of Happy Camp, Siskiyou Mtns. 1524 Comment
  HSC783  Trillium ovatum subsp. oettingeri William J. Ferlatte 1966-6-22 102 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's. 1524 Comment
  UC1024700  Trisetum canescens L. Whitney 1934-6-27 2145 Siskiyou 1706 Comment
  HSC18979  Trisetum spicatum J. O. Sawyer 1969-7-2 1004 Siskiyou E of Twin Lakes 2195 Comment
  HSC18985  Trisetum spicatum J. O. Sawyer 1969-7-24 1463 Siskiyou NW facing slope SW of Sugar lake. 1829 Comment
  UC53708  Trisetum spicatum W. L. Jepson 1895-1 Siskiyou Shasta Comment
  RSA206127  Triteleia crocea Gilbert Muth 1969-8-10 1337 Siskiyou Ridge west of Boulder Peak. 2378 Comment
  CAS-BOT-BC524320  Triteleia ixioides subsp. anilina Alice Eastwood 1921-7-24 10957 Siskiyou Castle Lake Comment
  LA22001  Triteleia ixioides subsp. anilina W. B. C. after 1939 material so determined by Robert Hoover; 1938-7-15 11238 Siskiyou Mount Shasta, Wagon Camp meadow 1737 Comment
  HSC96310  Tsuga mertensiana Gordon Leppig 1998-8-14 1032 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  UC1409513  Tsuga mertensiana Frederick W. Oettinger 1968-9-2 669 Siskiyou woods to e inlet to Upper English Lake (western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  UC848743  Urtica dioica subsp. holosericea Alice Eastwood 1912-7-18 1217 Siskiyou Sisson Comment
  UCD122054  Utricularia macrorhiza Barry Rice 2007-7-8 BR 070702 Siskiyou in Lower Cliff Lake. 1747 Comment
  CAS-BOT-BC199185  Vaccinium cespitosum W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Lake Comment
  CAS-BOT-BC199197  Vaccinium cespitosum Doris K. Kildale 1929-8-24 9021 Siskiyou Rattlesnake Meadow near Preston Peak 1676 Comment
  CHSC69748  Vaccinium cespitosum Loren Gehrung 1996-9-19 108 Siskiyou The Eddys. Jcn of County Rd 26 and Gumboot Creek, at Gumboot Crossing. 1511 Comment
  HSC91333  Vaccinium cespitosum Jennifer Whipple 1976-6-12 973 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  LA44627  Vaccinium cespitosum H. Lewis; M. Lewis 1951-7-12 sn Siskiyou Mt. Shasta, Panther Meadow, S side Comment
  POM77558  Vaccinium cespitosum Geo D. Butler 1910-7-11 1740 Siskiyou Upper Campbell Lake. 1677 Comment
  HSC19335  Vaccinium membranaceum J. O. Sawyer 1969-7-9 1234 Siskiyou N facing slope S of S Sugar Lake 2149 Comment
  HSC19366  Vaccinium membranaceum J. O. Sawyer 1968-9-11 703 Siskiyou Slopes above Twin Valley 1524 Comment
  HSC29338  Vaccinium membranaceum Frederick W. Oettinger 1968-9-5 721 Siskiyou Marble Mountain Wilderness Area, near inlet stream to Hancock Lake 1936 Comment
  HSC48293  Vaccinium membranaceum J. O. Sawyer, K. Stillman 1978-7-6 3349 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  HSC60770  Vaccinium membranaceum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC67665  Vaccinium membranaceum John Palmer 1980-7-24 583 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC98189  Vaccinium membranaceum J. O. Sawyer 1969-8-5 1769 Siskiyou W of Little Duck Lake 2073 Comment
  RSA238867  Vaccinium membranaceum Frederick W. Oettinger 1968-8-1 344 Siskiyou SW side of Little Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  RSA605354  Vaccinium parvifolium L. C. Wheeler 1959-7-25 7600 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  CAS-BOT-BC199488  Vaccinium scoparium Wayne Roderick 1967-9-1 s.n. Siskiyou Between Cedar and Cliff lakes 1828 Comment
  JEPS109750  Vaccinium scoparium Dean W. Taylor 2005-7-12 19387 Siskiyou Dry Creek Peak, cirque on north side of the peak (ca. 12 air miles NE of Mt. Shasta summit) 1950 Comment
  HSC18952  Valeriana sitchensis subsp. sitchensis J. O. Sawyer 1968-7-2 371 Siskiyou Upper drainage of Joe Creek on steep N facing slopes. 1677 Comment
  JEPS84279  Valeriana sitchensis subsp. sitchensis L. R. Heckard with J. Hickman et al. 1986-7-17 6536 Siskiyou se of Condrey Mt. (road end area and camp overlooking s end of Alex Hole) 1980 Comment
  CDA6693  Valerianella locusta T. C. Fuller 1962-5-17 8741 Siskiyou Behind El Rancho Motel, Yreka. 0 Comment
  JEPS101147  Valerianella locusta Dean W. Taylor 1996-6-20 15716 Siskiyou upper Noyes Valley; along Noyes Valley Creek (ca. 20 air miles SW of Yreka) 1371 Comment
  JEPS5118  Valerianella locusta Geo. D. Butler 1909-5-2 729 Siskiyou near Yreka Comment
  UC1409394  Vancouveria hexandra Frederick W. Oettinger and R. F. Thorne 1969-8-6 1232 Siskiyou nw Pine Lake (high lake basins in vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  HSC19090  Veratrum californicum var. californicum J. O. Sawyer 1969-8-4 1824 Siskiyou Above Sugar Lake 2134 Comment
  UCD13223  Veratrum californicum var. californicum Clyde Byfield 1973-7-3 S 364 Siskiyou Klamath National Forest, beside Kidder Creek, 0.5 mile west of Hayes Cabin on U.S.F.S. trail 11W23. 41 deg 30', 123 deg 07 1554 Comment
  HSC19101  Veratrum viride J. O. Sawyer 1969-8-4 1812 Siskiyou Above Sugar Lake 2134 Comment
  HSC34260  Veratrum viride J. P. Smith, J. O. Sawyer 1973-8-14 7310 Siskiyou Around Cliff Lake 1860 Comment
  HSC86427  Veratrum viride D. K. Imper Jul 1987 Siskiyou Marble Mtn. Wilderness Area, Haypress Meadow, 8 mi. E of Somes Bar 1372 Comment
  RSA15790  Verbascum blattaria Carl B. Wolf 1927-8-26 1018 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  RSA15799  Verbena lasiostachys var. lasiostachys Carl B. Wolf 1927-8-26 1047 Siskiyou On the Klamath River, 4 mi N of Gottville. Comment
  RSA184821  Veronica alpina var. alterniflora Gilbert Muth 1966-7-18 413 Siskiyou Marble Gap Trail, Meadow above Marble Valley, Marble Mtns. 1829 Comment
  JEPS16838  Veronica americana W. L. Jepson July, 1894 21321 Siskiyou Sisson Comment
  JEPS66525  Veronica anagallis-aquatica L. R. Heckard 1971-8-28 2781 Siskiyou about 5 mi n of Yreka (on old U.S. Hwy 99, under and e of bridge across Shasta River); Shasta River 731 Comment
  JEPS66526  Veronica anagallis-aquatica L. R. Heckard 1971-8-28 2783 Siskiyou 5 mi n of Yreka (on old U.S. Hwy 99, e of bridge across Shasta River); Shasta River 731 Comment
  UC1473429  Veronica copelandii Gilbert Jerome Muth 1978-8-2 7402 Siskiyou near South China Mountain (close to town of Callahan) 2438 Comment
  CDA42020  Veronica peregrina var. xalapensis L. Ahart 2005-6-1 12059 Siskiyou Near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. Comment
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Oct 5 2019
  POM215849  Veronica persica Louis C. Wheeler 1935-4-17 3425 Siskiyou Greenhorn Creek, Siskiyou Mtns. (Mt. Diablo Mer.) 1006 Comment
  UCD78078  Veronica serpyllifolia subsp. humifusa Robert E. Preston 2001-6-23 1553 Siskiyou Klamath National Forest, n slope of Rainbow Mountain. 1767 Comment
  RSA238786  Veronica serpyllifolia var. humifusa Frederick W. Oettinger 1967-7-26 189 Siskiyou