Search Results — 2000 specimen records retrieved (1387 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/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC4979  Abies amabilis J. O. Sawyer 1968-7-22 525 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  UC1409512  Abies amabilis Frederick W. Oettinger 1968-9-5 711 Siskiyou s end of Diamond Lake Salmon Mts., Diamond Lake (w Siskiyou County) 2072 Comment
  HSC67698  Abies concolor John Palmer 1980-7-24 582 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  LA6362  Abies concolor Wm. Bridge Cooke; 1939-7-29 13790 Siskiyou Mount Shasta, along the Sisson Southern Trail 1676 Comment
  RSA183693  Abies concolor Gilbert Muth 1965-7-29 313 Siskiyou Near top of ridge, near four-corners, Marble Mountain. Comment
  UCD134144  Abies concolor Robert E. Preston 2002-7-12 1912 a Siskiyou Klamath National Forest, S slope of Rainbow Mountain. 1893 Comment
  RSA0091809  Abies magnifica var. shastensis Bonnie C. Templeton 1968-6-13 11332 Siskiyou Mount Shasta, near Panther Meadows. 2835 Comment
  JEPS84284  Abies procera L. R. Heckard with R. Raiche and S. Winchester 1986-7-17 6487 Siskiyou ne of summit Copper Butte (e of Cook and Greene Pass) 1767 Comment
  UC454749  Acer circinatum I. J. Condit 1911-7-28 Siskiyou Shasta Retreat Comment
  JEPS42680  Acer glabrum Geo. D. Butler 1909-7-2 908 Siskiyou Highland Mine Comment
  LA202792  Acer glabrum var. glabrum Wm. Bridge Cooke; 1939-8-4 13809 Siskiyou Mt. Shasta, along the Sisson Southern Trail in branches of Cascade Gulch and in the Gulch. 1676 Comment
  CAS-BOT-BC331018  Acer glabrum var. glabrum Edward Lee 1934-8-13 1078 Siskiyou Watershed of West Branch of Indian Ceek, Happy Camp to Waldo (Oregon) road, Klamath National Forest 1463 Comment
  HSC65098  Acer macrophyllum J. P. Smith 1973-5-5 6446 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  UC166198  Acer negundo var. interior Geo. D. Butler 1910-4-19 1204 Siskiyou Yreka Creek Comment
  HSC67934  Achillea millefolium J. P. Smith 1973-5-5 6527 Siskiyou Scott Bar along the Scott River Comment
  HSC96314  Achillea millefolium Gordon Leppig 1998-8-14 1029 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  CAS-BOT-BC30431  Achillea millefolium Gilbert J. Muth 1965-7-29 s.n. Siskiyou On top of Marble Mountain Lookout Comment
  UC1409443  Achillea millefolium Frederick W. Oettinger 1968-8-5 400 Siskiyou above, on bedrock ridges, (high lake basins in vicinity of English Pk) English Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 2072 Comment
  RSA616935  Achlys californica L. C. Wheeler 1959-7-25 7598 Siskiyou Marble Mountains: Camp Three, Rogers Creek Comment
  HSC4994  Achlys triphylla J. O. Sawyer 1968-9-28 742 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  CHSC30753  Achnatherum occidentale subsp. californicum M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3257 Siskiyou Ca. 50 ft e of Hwy 15, ca. 3 mi n of its jct with Hwy 89, ca. 17 mi e of McCloud. Comment
  RSA238977  Achnatherum occidentale subsp. californicum Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1156 Siskiyou Halfway Spring, trail from English Lake to Diamond Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UCD55547  Achnatherum occidentale subsp. californicum Beecher Crampton 1956-8-20 3800 Siskiyou Northern city limits of Dunsmuir; driveway of Oak-Lo Motel. 716 Comment
  RSA238982  Achnatherum occidentale subsp. occidentale Frederick W. Oettinger 1969-8-13 1352 Siskiyou Southeast ridge of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  JEPS107345  Achnatherum thurberianum Lowell Ahart, John Dittes 2005-6-9 12027 Siskiyou Hill, south of a rock fence, about 100 yards northeast of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  JEPS107475  Achnatherum thurberianum Lowell Ahart, John Dittes 2005-6-9 12018 Siskiyou Small low hill, pasture field, on the east side of a poor rock fence, about 350 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
  HSC71631  Acmispon micranthus J. P. Smith 1973-5-5 6504 Siskiyou Along Cook and Green Pass Rd. Comment
  UCD95340  Aconitum columbianum A. A. Heller 1915-8-26 12240 Siskiyou Mt. Eddy. 1828 Comment
  CAS-BOT-BC391504  Aconitum columbianum subsp. columbianum W. R. Dudley 1899-8-10 s.n. Siskiyou Near Sisson Comment
  CAS-BOT-BC391516  Aconitum columbianum subsp. columbianum Alice Eastwood 1912-8-30 2089 Siskiyou Mount Eddy Comment
  CAS-BOT-BC391528  Aconitum columbianum subsp. columbianum Doris K. Kildale 1928-8-18 6460 Siskiyou Near head of north fork of Salmon River at Finley's Upper Camp Comment
  CAS-BOT-BC391523  Aconitum columbianum subsp. columbianum Wm. Bridge Cooke 1938-7-29 11420 Siskiyou Mount Shasta. Wagon Camp. In the Wagon Camp meadow. Also at Bear Springs Comment
  HSC36225  Aconitum columbianum subsp. columbianum John Rehling 1974-8-24 48 Siskiyou Trail to Big Duck Lake Comment
  SEINET5337490  Aconitum columbianum subsp. columbianum E. McClintock, W. Roderick 1967-7-28 s.n. Siskiyou Gumboat Lake, SW Mt Eddy. 1829 Comment
  HSC98376  Aconogonon davisiae J. O. Sawyer 1968-7-9 404 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 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
  CAS-BOT-BC29319  Adenocaulon bicolor H. A. Thomas; J. H. Thomas 1954-7-21 4396 Siskiyou Salmon-Trinity Mtns, about 6 mi SE of Cecilville, west side of Rush Creek. 1036 Comment
  JEPS74502  Adenocaulon bicolor W. J. Ferlatte 1966-8-18 405 Siskiyou 3 mi s, in wooded area Big Flat; Trinity Alps 1584 Comment
  CHSC49  Adiantum aleuticum V. Holt 1932-7-24 Siskiyou Mt. Eddy. 1524 Comment
  CDA36296  Aegilops cylindrica Ed Finley? 1986-1 Siskiyou Montague, north of Shasta, off Hwy 89. 0 Comment
  RSA181615  Agastache urticifolia Dorothy Parker 1950-6-15 453 Siskiyou Along Kidder Creek. 915 Comment
  RSA714932  Ageratina occidentalis M. E. Fishbein 2006-8-3 5873 Siskiyou Along Forest Service road 49, 7 miles SSW of Medicine Lake, 0.4miles NE of Snag Hill. 1585 Comment
  CAS-BOT-BC29456  Ageratina occidentalis Doris K. Kildale 1928-8-18 6414 Siskiyou North Fork Salmon River at Trinity Camp Comment
  HSC46720  Ageratina occidentalis William J. Ferlatte 1976-9-22 1860 Siskiyou 100 yds. N. of Dorleska Summit on Trinity County Line. 2134 Comment
  HSC5639  Ageratina occidentalis D. M. Thomson 1965-8-7 178 Siskiyou California Lava Beds National Monument, 1 mile up Cave Loop Trail. Comment
  POM210974  Ageratina occidentalis Louis C. Wheeler 1934-8-9 3070 Siskiyou Dead Cow Creek (Mt. Diablo Mer.) 1982 Comment
  JEPS35716  Agoseris aurantiaca var. aurantiaca Geo. D. Butler 303 Siskiyou head of, near summit Wooly Creek 1767 Comment
  UC165966  Agoseris aurantiaca var. aurantiaca Geo. D. Butler 1908-8-8 303 Siskiyou head of, along trail Woody Creek, West Branch Comment
  UC933411  Agoseris aurantiaca var. aurantiaca Annie M. Alexander and Louise Kellogg 1948-9-9 5615 Siskiyou at start of 2 mi trail to Taylor Lake, in meadow Cook and White Mine; Siskiyou Mountains Comment
  HSC4598  Agoseris grandiflora R. C. Wunner 331 Siskiyou Lava Beds National Monument. Devil's Homestead Overlook 1250 Comment
  UC163889  Agoseris heterophylla var. heterophylla Geo. D. Butler 1910-6-4 1495 Siskiyou Shackleford Creek Comment
  SEINET5335873  Agropyron trachycaulum G. Butler 1910-7-3 1624 Siskiyou Goosenest Foothills 1219 Comment
  CAS-BOT-BC126993  Agrostis exarata Melissa A. Berry 1957-7-8 s.n. Siskiyou South Russian Creek at Power House. 822 Comment
  CAS-BOT-BC126998  Agrostis exarata John Thomas Howell 1939-8-10 15250 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  JEPS68388  Agrostis exarata Geo. D. Butler 1909-6-28 852 Siskiyou along creek near Yreka Comment
  RSA239096  Agrostis exarata Frederick W. Oettinger 1969-8-22 1499 Siskiyou North side of Horse's Hole Meadows, Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  UCD35435  Agrostis exarata Beecher Crampton 1956-8-21 3838 Siskiyou Canyon of the south fork of the Sacramento River, lower slopes of White Ridge. 1371 Comment
  UCD37085  Agrostis exarata Beecher Crampton 1956-8-21 3828 Siskiyou Siskiyou County, 0.5 mile northeast of Gumboot Lake. 1767 Comment
  RSA239093  Agrostis humilis Frederick W. Oettinger 1969-8-22 1503 Siskiyou South side of Horse Hole, near Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  UCD52799  Agrostis idahoensis Roseman 1913-1 s.n. Siskiyou Butte Valley. Comment
  RSA239091  Agrostis pallens Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1188 Siskiyou west side of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  HSC101547  Agrostis scabra J. P. Smith 2009-8-22 12658 Siskiyou Along the road to Bray. 1422 Comment
  HSC65670  Agrostis scabra Donald W. Miles 1979-7-23 22 Siskiyou 8 mi. N of Pondosa CDF station, short road spur off of Short Grade Rd. 1012 Comment
  UCD53399  Agrostis scabra R. Tofsrud 1950-7-1 s.n. Siskiyou E side of Mt. Shasta. Comment
  RSA238348  Agrostis stolonifera Frederick W. Oettinger 1969-8-16 1397 Siskiyou Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UCD53525  Agrostis stolonifera A. A. Heller 1920-8-11 13509 Siskiyou Metcalf's ranch, NE base of Mt. Eddy. 1158 Comment
  CAS-BOT-BC138475  Agrostis variabilis H. A. Thomas; J. H. Thomas 1954-7-24 4512 A Siskiyou Salmon-Trinity Mountains. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles east of Cecilville. 1981 Comment
  CAS-BOT-BC138483  Agrostis variabilis A. A. Heller 1922-7-15 13697 Siskiyou On the edge of the small lake at Medicine Lake. 2133 Comment
  CHSC2046  Alisma triviale V. Holt 1939-7-8 Siskiyou Abram's Lake near Mt. Shasta City. 914 Comment
  RSA105378  Alisma triviale G. D. Barbe 1955-7-5 108 Siskiyou At eastern limit of Greenview on road to Fort Jones; south side of road. 884 Comment
  JEPS84246  Allium L. R. Heckard with J. Hickman et al. 1986-7-17 6463 Siskiyou ca. 5 mi n Town of Seiad Valley (trail up Kangaroo Peak, ridge e of peak, s of Lily Pad Lake); Kangaroo Peak 1900 Comment
  CAS-BOT-BC462996  Allium bolanderi Volney Rattan 1903-1-1 s.n. Siskiyou Klamath Comment
  UC1045265  Allium campanulatum W. Bridge Cooke 1940-7-5 15245 Siskiyou along the road below Wagon Camp; Mount Shasta Comment
  HSC91453  Allium falcifolium Jennifer Whipple 1976-7-1 1225 Siskiyou Near Little Crater Lake 2195 Comment
  CAS-BOT-BC469240  Allium falcifolium Roxana S. Ferris; Laura Lorraine 1948-6-12 11716 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], East fork of Scott River Comment
  UC1133842  Allium validum H. A. Jensen 1933-6-25 331 Siskiyou near Wagon Camp; Shasta National Forest, Dunsmuir Quadrangle Comment
  SEINET3151668  Allocarya californica G. D. Butler 1910-5-29 1424 Siskiyou Damp place near Yuka. 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
  HSC41797  Allotropa virgata Brent Whiteley 1975-6-28 102 Siskiyou Irving sale of the Klamath National Forest 915 Comment
  CAS-BOT-BC171406  Alnus incana subsp. tenuifolia Roxana S. Ferris; Laura Lorraine 1948-6-12 11766 Siskiyou About 6 miles from Etna on forks of Salmon Road 1676 Comment
  CAS-BOT-BC171414  Alnus incana subsp. tenuifolia W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Comment
  RSA238548  Alnus incana subsp. tenuifolia Frederick W. Oettinger 1967-8-20 294 Siskiyou The Salmon Mountains, in the vicinity of English Peak, Marble Mountain Wilderness Area, along the stream from Tom Taylor Cabin spring. 2050 Comment
  UC61056  Alnus incana subsp. tenuifolia W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  JEPS109399  Alnus rhombifolia Dean W. Taylor 2004-7-19 19190 B Siskiyou Weed, wet meadow just east of town limits along Boles Creek 1051 Comment
  JEPS58664  Alnus rhombifolia Geo. D. Butler 1908-7-4 10 Siskiyou near Reeders; Shasta River 670 Comment
  UC375244  Alnus rhombifolia Geo. D. Butler 1908-7-4 10 Siskiyou Shasta River Comment
  HSC4969  Alnus viridis subsp. sinuata J. O. Sawyer 1968-6-18 234 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  UC207707  Alopecurus aequalis Geo. D. Butler 1908-10-16 546 Siskiyou Oro Fino Creek Comment
  UCD55833  Alopecurus aequalis L. Whitney 1934-6-29 2234 Siskiyou Antelope Creek, near Tennant. 1463 Comment
  UCR19354  Alyssum alyssoides Edwin Kline 1920-6-24 s.n. Siskiyou [no specific locality] 1067 Comment
Read comments
Sep 26 2018
  HSC64811  Alyssum alyssoides J. P. Smith 1974-5-25 7371 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  JEPS54294  Amaranthus californicus Geo. D. Butler 1908-7-16 544 Siskiyou near Yreka (along creek of Butler's ranch) Comment
  HSC103  Amelanchier alnifolia var. semiintegrifolia William J. Ferlatte 1966-6-23 149 Siskiyou Big Flat, near public camp 1524 Comment
  HSC29350  Amelanchier pallida Frederick W. Oettinger 1969-7-18 1057 Siskiyou Marble Mtn. Wilderness Area, SW of Upper English Lake 1951 Comment
  RSA184728  Amelanchier pumila Gilbert Muth 1966-7-8 369 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  UC375373  Amelanchier utahensis Geo. D. Butler 1908-7-12 493 Siskiyou Humbug Mountain Comment
  RSA0089947  Amsinckia menziesii var. menziesii L. C. Wheeler 1935-5-26 3534 Siskiyou Yreka Creek. Siskiyou Mts. 854 Comment
  OBI55448  Anaphalis margaritacea David J. Keil 1992-7-20 23506 Siskiyou Klamath Natl forest, SW of Fort Jones. Along forest rd 46N64, 4.8 mi W of Scott river Rd 800 Comment
  JEPS40557  Ancistrocarphus filagineus Geo. D. Butler 1909-5-24 718 Siskiyou near Yreka Comment
  CAS-BOT-BC391802  Anemone deltoidea Roxana S. Ferris; Laura Lorraine 1948-6-12 11740 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  UC130648  Anemone deltoidea H. M. Hall Jul 1909 8675 Siskiyou Salmon Mtns , Salmon River (Salmon River) 1584 Comment
  CAS-BOT-BC391850  Anemone drummondii John Thomas Howell 1939-8-2 14873 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC1094391  Anemone drummondii Rimo C. Bacigalupi with Galen Smith 1957-6-26 5952 Siskiyou ca. 6 mi. due s. Mt. Eddy (slope above s. end Gumboot Lake, head of S. Fork Sacramento R.); S. Fork Sacramento R., Gumboot Lake 1859 Comment
  RSA215648  Anemone occidentalis Gilbert Muth 1969-8-7 1227 Siskiyou damp shaded area on east side of Boulder Peak Ridge in Subalpine Forest. 2470 Comment
  SEINET12099858  Anemone occidentalis H. P. Chandler 1901-1 1637 Siskiyou North Coast Ranges 2134 Comment
  JEPS109874  Anemone oregana var. oregana Dean W. Taylor 2005-7-12 19385 Siskiyou Antelope Creek; along unnamed tributary that drains from Rainbow Mountain, just upstream from the crossing of Forest Road 42N16 1697 Comment
  UC1400366  Angelica arguta Frederick W. Oettinger 1968-8-14 514 Siskiyou 0.1 mi e of Tom Taylor Cabin (High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  SBBG25866  Angelica breweri D. Myrick 1966-8-8 1499 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  UCD127110  Angelica genuflexa Joseph DiTomaso 1980-8-6 1855 Siskiyou 3 miles south of Grayback Pass. 1158 Comment
  POM82548  Angelica tomentosa var. tomentosa Geo. D. Butler 1908-8-5 465 Siskiyou Marker Mtn. 2134 Comment
Read comments
Nov 25 2011
  SEINET2030056 Image available Anisocoma acaulis C. L. Hitchcock 1940-3-23 5834 Siskiyou Red Rock Canyon Comment
  CAS-BOT-BC59278  Antennaria argentea Louis C. Wheeler 1934-7-3 2852 Siskiyou Klamath Forest, Soda Creek 1767 Comment
  HSC67542  Antennaria argentea J. P. Smith, J. O. Sawyer 1972-6-30 5640 Siskiyou Junction of French Creek and Sugar Creek Rd., 1/2 mi. W of Parrott Mill Rd. 1250 Comment
  HSC67543  Antennaria argentea J. P. Smith, J. O. Sawyer 1972-6-30 5640 Siskiyou Junction of French Creek and Sugar Creek Rd., 1/2 mi. W of Parrott Mill Rd. 1250 Comment
  HSC22433  Antennaria argentea J. O. Sawyer 1969-6-11 835 Siskiyou Lower slope next to the C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  UC29469  Antennaria argentea C. B. Bradley 1879-1 Siskiyou Comment
  CAS-BOT-BC59161  Antennaria dimorpha Geo. D. Butler 1910-3-24 1140 Siskiyou Shasta River Hills Comment
  HSC92259  Antennaria dimorpha Jennifer Whipple 1976-7-7 1330 Siskiyou N slopes of Mt. Eddy. 2439 Comment
  JEPS95045  Antennaria geyeri Vernon Oswald and Lowell Ahart 1997-7-28 8803 Siskiyou Forest Route 15 1 mi s of Harris Spring; Forest Route 15 1463 Comment
  UC485658  Antennaria geyeri M. K. Curran Jul 1887 Siskiyou Ager Comment
  CAS-BOT-BC58711  Antennaria geyeri Elmer I. Applegate 1936-7-4 10513 Siskiyou Lava Beds National Monument. Caldwell Butte Crater Comment
  CAS-BOT-BC58722  Antennaria geyeri Alice Eastwood 1912-7-15 1061 Siskiyou Near McCloud Comment
  HSC27477  Antennaria luzuloides J. P. Smith, J. O. Sawyer 1972-5-28 5372 Siskiyou 1.2 mi. E. of Jackson Creek on Callahan-Cecilville Rd., Klamath National Forest 1341 Comment
  CAS-BOT-BC77346  Antennaria media John Thomas Howell 1937-7-24 13401 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC69100  Antennaria media Wm. Bridge Cooke 1938-8-18 11473 Siskiyou Horse Camp Springs Comment
  CAS-BOT-BC84792  Antennaria racemosa Geo. D. Butler 1910-6-4 1502 Siskiyou Shackleford Creek Comment
  HSC25417  Antennaria racemosa J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5662 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  HSC62589  Antennaria racemosa Al Hobart 1967-8-8 Siskiyou Youngs Valley Comment
  UCD159821  Antennaria racemosa G. Ledyard Stebbins 1972-7-3 9006 Siskiyou Summit of Cook and Green Pass. 8 miles north of Seiad Valley. (Exact location unknown. Coordinates estimated by label maker.) 1463 Comment
  JEPS82732  Antennaria racemosa Wayne Roderick 1983-7-8 Siskiyou on n-facing slope Cook and Green Pass 1432 Comment
  JEPS33931  Antennaria rosea Willis L. Jepson 1894-8-4 Siskiyou snow line Mt. Shasta Comment
  UC29519  Antennaria rosea C. B. Bradley 1879-1 Siskiyou Comment
  SEINET515907  Antennaria rosea subsp. confinis Vernon Oswald 1997-7-28 8789 Siskiyou Southeast of Medicine Lake at Paynes Springs. 1981 Comment
  HSC21987  Antennaria rosea subsp. rosea J. O. Sawyer 1969-6-10 800 Siskiyou S face near Sugar Lake 1829 Comment
  HSC30609  Antennaria umbrinella Frederick W. Oettinger 1969-8-22 1485 Siskiyou In Pierce's Draw; Salmon Mountains 1677 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
  JEPS107960  Apera interrupta Lowell Ahart, John Dittes 2005-6-9 12007 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  HSC61858  Apocynum androsaemifolium Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  JEPS49791  Apocynum androsaemifolium Geo. D. Butler 1908-8-1 76 Siskiyou Caldwell Ranch near Yreka Comment
  SBBG15616  Apocynum androsaemifolium D. Myrick 1961-6-20 292 Siskiyou Old McCloud Rd to Bear Springs just E of Mt Shasta City 1097 Comment
  UC163992  Apocynum androsaemifolium Geo. D. Butler 1908-8-9 77 Siskiyou near Cold Spring (Woolly Creek) Comment
Read comments
May 9 2012
  RSA403115  Apocynum androsaemifolium subsp. pumilum B. C. Templeton 1960-6-21 8538 Siskiyou Between Callahan and the summit of Scott mts. Comment
  CAS-BOT-BC395152  Aquilegia formosa Wm. Bridge Cooke 1938-7-15 11195 Siskiyou Bear Springs, Mount Shasta Comment
  CAS-BOT-BC397941  Aquilegia formosa Doris K. Kildale 1929-7-20 8541 Siskiyou Trail to Preston Peak along S Fork Indian Creek 2133 Comment
  UC375262  Aquilegia formosa Geo. D. Butler 1908-7-12 1062 Siskiyou Humbug Mt. Comment
  HSC58962  Aquilegia formosa var. truncata Gilbert Muth 1975-7-29 4090 Siskiyou Near Kangaroo Mtn., close to the town of Seiad Valley 1756 Comment
  RSA30393  Arabis breweri Lincoln Constance, Reed C. Rollins 1942-5-14 2930 Siskiyou Shasta River 6 miles N of Yreka. 762 Comment
  HSC29179  Arabis divaricarpa Frederick W. Oettinger 1969-7-11 974 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: Hancock Lake 1936 Comment
  HSC40062  Arabis divaricarpa J. P. Smith, Steve Selva 1970-6-16 4075 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  HSC48280  Arabis divaricarpa var. interposita Ken Stillman 1978-7-6 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  RSA0125828  Arabis glabra R. F. Thorne 1969-8-2 63331 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  HSC6530  Arabis holboellii var. pinetorum Lincoln Constance, R. C. Rollins 1942-5-13 2914 Siskiyou Scott River, 10 mi. SW of Scott Bar 610 Comment
  RSA47642  Arabis holboellii var. pinetorum Roxana S. Ferris, Laura Lorraine 11762 Siskiyou East fork of Scott River one mile N of Callahan. Comment
  RSA22009  Arabis holboellii var. retrofracta J. T. Howell 1939-8-2 14913 Siskiyou Spirit Lake, Marble Mts. Comment
  SEINET3899885  Arabis holboellii var. retrofracta C. Leo Hitchcock, J. P. Martin 1939-7-9 5310 Siskiyou Between King's Castle and Black Mt.; 0 1829 Comment
  HSC69143  Arabis koehleri Maralyn A. Renner 1980-8-8 2474 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  RSA237291  Arabis lyallii Frederick W. Oettinger 1968-8-4 390 -a Siskiyou Trail N of Crapo Peak ridge. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2195 Comment
  RSA0110968  Arabis microphylla var. microphylla Frederick W. Oettinger 1968-8-10 465 Siskiyou East side of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  CAS-BOT-BC16715  Arabis modesta Lincoln Constance; Reed Clark Rollins 1942-5-13 2911 Siskiyou Klamath-Siskiyou Region. Scott River 2 miles northwest of Scott Bar. 487 Comment
  HSC62267  Arabis platysperma Al Hobart 1968-6-18 Siskiyou Youngs Valley Comment
  POM253573  Arabis puberula C. L. Hitchcock, J. S. Martin 1939-7-9 5322 Siskiyou 1/2 mile SE of King s Castle, Marble Mts. 1829 Comment
  HSC67800  Arabis suffrutescens J. O. Sawyer, J. Cole 1980-7-22 3989 Siskiyou Little Horse Peak 1720 Comment
  CDA15524  Aralia californica G. F. Hrusa 1998-7-5 14692 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy., at mile 5.x. Sheet 1 of 2 Comment
  JEPS48993  Arceuthobium Geo. D. Butler 1908-8-4 270 Siskiyou head of Shackleford Creek 1676 Comment
  CAS-BOT-BC407726  Arceuthobium abietinum Marion Ownbey; Fred G. Meyer 1940-7-6 2212 Siskiyou Summit of Cayenne Ridge, near Marble Fountain Comment
  CHSC97967  Arceuthobium californicum R. L. Mathiasen 2005-3-12 530 Siskiyou 5.3 km from Siskiyou Lake on road to Castle Lake. Shasta-Trinity National Forest. 1330 Comment
  JEPS95653  Arceuthobium campylopodum Vernon H. Oswald and L. Ahart 1999-7-5 9816 Siskiyou Hwy. 3 4.0 mi southeast of Gazelle-Callahan Hwy.: T40N R8W Sect. 24, 4480 ft, mixed coniferous forest, serpentine substrate. Parasitic on Jeffrey pine. 1365 Comment
  HSC29239  Arceuthobium campylopodum Frederick W. Oettinger 1969-8-22 1509 Siskiyou Marble Mtn. Wilderness Area, just W of outlet and along shoreline of Horse Range Lake 1822 Comment
  SEINET2471273  Arceuthobium cyanocarpum R. L. Mathiasen 2008-9-16 2008 -29 Siskiyou 2 km N. of Park Creek Trailhead on forest road 17 2000 Comment
  UCD81364  Arctostaphylos Roman Gankin; Brewer, Hildreth, and Milam 1965-8-11 610 Siskiyou 100 yards south of Somesbar Post Office, west of State Highway 96. Comment
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Feb 21 2015
  UC1281360  Arctostaphylos glandulosa subsp. glandulosa H. E. McMinn 1931-6-27 2538 Siskiyou summit above Weitchpec Comment
  CAS-BOT-BC39007  Arctostaphylos klamathensis Albert Seneres; Stephen Edwards; Nigel Harold 1982-10-5 s.n. Siskiyou Terrace Lake 1920 Comment
  JEPS81757  Arctostaphylos klamathensis Albert Seneres, Stephen Edwards, and Nigel Harold 1982-10-5 Siskiyou Terrace Lake 1920 Comment
  CAS-BOT-BC39980  Arctostaphylos nevadensis Elmer I. Applegate 1895-5-29 306 Siskiyou West base of Mt. Shasta near Sisson 1828 Comment
  HSC69014  Arctostaphylos nevadensis Maralyn A. Renner 1980-7-24 2027 Siskiyou Lily Pad Lake 1768 Comment
  SEINET3411144 Image available Arctostaphylos nevadensis James D. Montgomery 1969-7-24 80918 d Siskiyou Mount Shasta, Shasta National Forest. 1981 Comment
  UC456165  Arctostaphylos nevadensis I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 2133 Comment
  CAS-BOT-BC46470  Arctostaphylos patula Alice Eastwood 1921-7-31 11022 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC46482  Arctostaphylos patula Wayne Roderick; Jacob Sigg 1981-8-23 s.n. Siskiyou W. of town of Gazelle near Gazelle summit. 914 Comment
  HSC69157  Arctostaphylos patula Maralyn A. Renner 1980-8-7 2394 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  POM367401  Arctostaphylos patula L. C. Wheeler 1934-7-25 2984 Siskiyou Long John Creek. 1616 Comment
  RSA639545  Arctostaphylos patula L. C. Wheeler 1952-9-17 6934 Siskiyou [No location data on label.] Comment
  SEINET2029158 Image available Arctostaphylos patula L. C. Wheeler 1935-5-31 3413 Siskiyou Winston Butte, south base, west of Mt. Shasta 1189 Comment
  UC796511  Arctostaphylos patula Roxana S. Ferris and Laura Lorraine Siskiyou 1 mi below summit of Gazelle Mt. Grade (w side, on Gazelle-Callahan Rd) 1219 Comment
  UC876449  Arctostaphylos patula Lewis S. Rose 1937-7-25 37596 Siskiyou Mt. Shasta City 1158 Comment
  HSC67138  Arctostaphylos viscida J. P. Smith 1973-5-5 6482 Siskiyou Along Cook and Green Pass Rd. Comment
  JEPS105628  Arenaria congesta var. suffrutescens L. P. Janeway 2003-8-9 7960 Siskiyou Klamath Ranges. Siskiyou Mountains between Cook and Green Pass and Red Butte; along trail from the crest down north slope to Echo Lake, just over north edge of the ridge 1786 Comment
  HSC60849  Arenaria serpyllifolia Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC60936  Arnica amplexicaulis Ruby Van Deventer 1955-8-3 Siskiyou A camp in upper Young's Valley. Clear Creek Camp Comment
  CHSC88368  Arnica chamissonis Jenny Marr 1993-7-1 174 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC1608321  Arnica chamissonis J. Kierstead 1990-8-23 90 -136 Siskiyou small sedge meadow associated with spring feeding Cold Creek; Shasta-Trinity National Forests, McCloud Ranger District 1615 Comment
  UC711894  Arnica chamissonis Roxana S. Ferris and Laura Lorraine 1941-8-11 10499 Siskiyou U. S. Highway 97 Grass Lake Station 1554 Comment
  CAS-BOT-BC82360  Arnica cordifolia John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53397 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones 1249 Comment
  HSC29104  Arnica cordifolia Frederick W. Oettinger 1968-9-1 647 Siskiyou Marble Mtn. Wilderness Area, SSW of Abbotts Lake 1799 Comment
  CHSC71562  Arnica discoidea Vernon H. Oswald; Lowell Ahart 1998-8-3 9424 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  HSC42945  Arnica discoidea J. O. Sawyer, Ken Stillman 1976-7-1 2764 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  HSC4913  Arnica discoidea J. O. Sawyer 1968-7-23 616 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  HSC22146  Arnica diversifolia J. O. Sawyer 1969-8-4 1863 Siskiyou Slope SW of South Sugar Lake 2195 Comment
  CAS-BOT-BC82606  Arnica lanceolata subsp. prima Doris K. Kildale 1929-8-24 9082 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  CHSC95131  Arnica latifolia L. P. Janeway 2006-7-2 8749 Siskiyou Klamath Ranges. Salmon Mountains; un-named creek at the sharp bend in the Music Creek Trailhead Road, 0.6 km south of Music Creek. North-facing slope above the creek. 1762 Comment
  UCSB13057  Arnica latifolia Dearing, Hugh; Dearing, Margaret 1939-7-1 Siskiyou West of Etna on Etna Creek 1219 Comment
  JEPS74455  Arnica latifolia W. J. Ferlatte 1967-7-26 765 Siskiyou near, nw side of Caribou Mt Browns Meadow; Trinity Alps, Caribou Mountain 1828 Comment
  RSA237424  Arnica latifolia Frederick W. Oettinger 1969-8-6 1256 Siskiyou Tom's Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC642539  Arnica longifolia Bassett Maguire 1939-8-10 13864 Siskiyou along wall of Mud Creek Canyon Mount Shasta, Mud Creek Canyon 2286 Comment
  CAS-BOT-BC90079  Arnica ovata John Thomas Howell 1939-8-8 15179 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC85023  Artemisia arbuscula subsp. arbuscula Gilbert J. Muth 1969-8-6 1210 Siskiyou Boulder Peak 2529 Comment
  CAS-BOT-BC85024  Artemisia arbuscula subsp. arbuscula Gilbert Muth 1966-8-7 504 Siskiyou Marble Mts. 2057 Comment
  CAS-BOT-BC90476  Artemisia douglasiana Ira L. Wiggins 1955-7-26 13511 Siskiyou Banks of S Fork of Salmon R just above mouth of Blind Horse Creek 886 Comment
  UC933414  Artemisia douglasiana Annie Alexander and Louise Kellogg 1948-9-6 5585 Siskiyou South Fork Salmon River Comment
  HSC35806  Artemisia norvegica subsp. saxatilis J. O. Sawyer 1969-8-18 1978 Siskiyou S of S Sugar Lake 2104 Comment
  UC1409365  Aruncus dioicus var. pubescens Frederick W. Oettinger 1969-9-4 1670 Siskiyou Tobacco Lake Salmon Mountains, Marble Mountain Wilderness Area (vicinity of English Peak, w Siskiyou County) 1828 Comment
  HSC69541  Asarum caudatum Maralyn A. Renner 1980-8-6 2247 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  UC727045  Asarum caudatum A. A. Heller 1919-6-27 13276 Siskiyou Metcalfs Comment
  JEPS5088  Asclepias cordifolia W. L. Jepson 1940-7-1 20075 Siskiyou 6 mi e McCloud River (Fowlers Camp) 944 Comment
  HSC32006  Asclepias cordifolia J. D. Ackerman, A. M. Montalvo 1974-7-2 357 Siskiyou Along road to Shasta Retreat, 2 mi. S of Snowman Hill and Hwy. 89 1189 Comment
  RSA0092490  Asclepias cordifolia Jennifer Hedin 1996-5-27 228 Siskiyou Lower Mel, R falls, campground/picnic area. Location interpreted by M. Fishbein: Lower Fowler Falls near McClout and Fowler Camp. Comment
  SEINET10580356  Asclepias cordifolia F. Marion Ownbey, Fred G. Meyer 1940-7-6 Ownbey 2202 Siskiyou Marble Mountain, Cayene Ridge, S slopes Comment
  SEINET10946901  Asclepias speciosa George D. Butler 1910-6-8 Butler 1557 Siskiyou Dry land near Yreka Comment
  CAS-BOT-BC69598  Aspidotis densa Doris K. Kildale 1928-7-25 5913 Siskiyou Klamath River at Mack's Creek, near Hamburg. Comment
  HSC92669  Aspidotis densa Jennifer Whipple 1978-10-6 2390 Siskiyou Mt. Eddy, N-facing slopes in the Eddy Creek Drainage 2317 Comment
  RSA792295  Aspidotis densa Rebecca Wenk 2008-7-25 957 Siskiyou Trail from where the Pacific Crest Trail crosses Forest Highway 93/Cecilville Road to Hidden Lake. 1890 Comment
  UC1478239  Aspidotis densa Nancy Morin with J. Richards 1981-7-18 307 Siskiyou Little Castle Lake Comment
  CAS-BOT-BC69555  Aspidotis densa Louis C. Wheeler 1934-6-28 2814 Siskiyou Little Soda Cr., Klamath Forest. 1432 Comment
  HSC23618  Aspidotis densa J. O. Sawyer 1969-7-10 1289 Siskiyou E facing slope W of S Sugar Lake 2226 Comment
  UC42607  Aspidotis densa W. H. Brewer 1863-9-9 1360 Siskiyou Castle Rocks near Mt Shasta Comment
  CAS-BOT-BC178821  Astragalus californicus Geo. D. Butler 1909-4-14 593 Siskiyou Humbug Road Comment
  CAS-BOT-BC178810  Astragalus californicus R. C. Barneby 1954-5-16 11510 Siskiyou Klamath R. canyon 10 1/2 miles below Klamath River P.O. 472 Comment
  RSA0006720  Astragalus californicus R. C. Barneby 1954-5-15 11499 Siskiyou open volcanic hillside among rabbit brush, NE of Weed. 1387 Comment
  RSA111033  Astragalus curvicarpus R. C. Barneby 1954-5-18 11504 Siskiyou 2.5 miles N of Gazelle. Alt. 2750 feet. Comment
  UC82564  Astragalus filipes Katharine Brandegee June 1887 Siskiyou Shasta Plains Comment
  RSA143714  Astragalus lentiginosus var. salinus F. W. Peirson 1923-7-19 3602 Siskiyou Near Bray. Comment
  HSC75122  Astragalus purshii J. P. Smith, Thomas W. Nelson 1979-6-16 10142 Siskiyou Klamath National Forest, Hwy. 3, 2.4 mi. from Scott Mtn. summit. 1341 Comment
  CAS-BOT-BC192920  Astragalus purshii var. lectulus L. E. Smith 1914-4-20 634 Siskiyou Yreka Comment
  UC1333513  Astragalus purshii var. purshii John F. Davidson 1947-5-17 4634 Siskiyou 5 mi from Callahan, 27 mi from Trinity Center, at first summit of Scott Mt. Road on n slope of Scott Mt. Comment
  CAS-BOT-BC193062  Astragalus purshii var. tinctus Roxana S. Ferris; Laura Lorraine 1948-6-12 11710 Siskiyou Schoolhouse Hill, Plowman's Valley, [Noyes Valley], east fork of Scott River Comment
  HSC71634  Astragalus purshii var. tinctus J. P. Smith 1973-5-5 6530 Siskiyou Scott Bar along the Scott River Comment
  RSA110924  Astragalus purshii var. tinctus R. C. Barneby 1954-5-16 11515 Siskiyou Scott Road, 10.5 miles below Fort Jones 1006 Comment
  UC862793  Astragalus whitneyi Alice Eastwood 1912-8-30 2006 Siskiyou Mount Eddy Comment
  CHSC30658  Astragalus whitneyi var. siskiyouensis M. S. Taylor; W. Overton 1980-7-8 3091 Siskiyou On s side of 40N43, ca. 3 mi w of its jct with 40N26, at w end of Lake Siskiyou. 1432 Comment
  UC1001149  Astragalus whitneyi var. siskiyouensis Dorothy Parker 1952-7-26 12 Siskiyou Cabin Meadow Creek 1981 Comment
  CAS-BOT-BC198707  Astragalus whitneyi var. siskiyouensis A. A. Heller 1915-8-26 12220 Siskiyou Near the source of Wagon Creek, Mt. Eddy 2590 Comment
  CAS-BOT-BC94462  Astragalus whitneyi var. siskiyouensis R. C. Wenk 2005-7-19 319 Siskiyou Along Pacific Crest Trail, 1-2 miles S of parking lot at top of pass on National Forest Road 17, going towards Mt. Eddy 2133 Comment
  CDA26766  Astragalus whitneyi var. siskiyouensis Don Shaw 1977-5-13 Siskiyou Orr Ranch, Yreka. 0 Comment
  SEINET5335240  Astragalus whitneyi var. siskiyouensis B. 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 2024 Comment
  UC42680  Athyrium distentifolium var. americanum W. H. Brewer 1862-9-13 1372 Siskiyou Mt Shasta 2743 Comment
  UC922424  Athyrium distentifolium var. americanum Annie M. Alexander and Louise Kellogg 1949-7-22 5834 Siskiyou trail to King's Castle Paradise Lake; Marble Mts 1981 Comment
  HSC19251  Athyrium filix-femina var. cyclosorum J. O. Sawyer 1969-8-5 1789 Siskiyou Along Sugar Creek. 1921 Comment
  UC71340  Athyrium filix-femina var. cyclosorum unknown Siskiyou near Mt Shasta Comment
  CHSC30  Athyrium filix-femina var. cyclosorum V. Holt 1932-7-20 Siskiyou Summer School meadow. 1097 Comment
  CAS-BOT-BC17616  Athysanus pusillus Roxana S. Ferris; Laura Lorraine 1948-6-12 11856 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side. 1417 Comment
  UC1476873  Atriplex heterosperma R. G. Pederson 1979-10-10 51 Siskiyou Lower Klamath National Wildlife Refuge Mt. Dome Quad., Lower Klamath National Wildlife Refuge (Unit 3, road shoulder) Comment
  JEPS93960  Atriplex prostrata Vernon H. Oswald and Lowell Ahart 1998-9-16 9650 Siskiyou 3 mi s of Highway 161 (Tour Route at Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge 1243 Comment
  HSC4354  Atriplex rosea L. C. Wheeler 1934-10-24 3348 Siskiyou Oak Knoll Ranger Station, Klamath River 671 Comment
  HSC4367  Atriplex rosea R. C. Wunner 1965-8-14 416 Siskiyou Lava Beds National Monument, Hovey Point. 1220 Comment
  UC1191301  Atriplex triangularis Verne Grant and Irving Schneider 1947-8-25 8287 Siskiyou w side Tule Lake; w side Tule Lake Comment
  UC203922  Avena fatua Geo. D. Butler 1909-9-26 870 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC106501  Balsamorhiza deltoidea Alice Eastwood 1923-5-23 11927 Siskiyou Cantara Comment
  CAS-BOT-BC100063  Balsamorhiza lanata Geo. D. Butler 1959-4-14 635 Siskiyou hills, Yreka Comment
  CAS-BOT-BC100104  Balsamorhiza sagittata Elmer I. Applegate 1935-6-8 9439 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  HSC70596  Balsamorhiza sericea J. O. Sawyer, R. J. Cole 1981-7-2 4156 Siskiyou Near Scott Mountain Campground 1585 Comment
  CAS-BOT-BC16688  Barbarea orthoceras D. E. Breedlove 1962-6-11 3353 Siskiyou Marble Mountains. About 20 miles west of Fort Jones. Canyon Creek. 914 Comment
  CHSC33222  Barbarea orthoceras R. E. Preston 1981-5-2 58 Siskiyou On banks of Camp Creek where it enters Irongate Reservoir; ca. 32 km ne of Yreka. 700 Comment
  UCD114283  Barbarea orthoceras A. H. Murphy 1953-7-28 KNF 7 Siskiyou Long Gulch Camp, Siskiyou-Trinity County. 1889 Comment
  UCD77420  Barbarea orthoceras Robert E. Preston 2001-6-30 1642 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W se 1/4 of nw 1/4 Section 14 1722 Comment
  HSC58852  Berberis aquifolium var. aquifolium Marvin Butler 1971-7-11 93 Siskiyou Near Youngs Valley, close to the town of Cave Junction 1403 Comment
  RSA331954  Berberis aquifolium var. aquifolium Dave Kelly, Walter Wisura 1985-7-31 4082 Siskiyou 9.1 mi. SW of Gazelle on Callahan Rd. Comment
  HSC3351  Berberis nervosa Jerry Parker 1968-10-6 151 Siskiyou 1372 Comment
  HSC69417  Berberis nervosa John Palmer 1980-8-12 731 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  HSC73992  Berberis nervosa Gail Newton 1980-6-20 524 Siskiyou Near Bald Mtn. 1326 Comment
  SEINET3151153  Berberis nervosa G. D. Butler 1910-5-5 1287 1/2 Siskiyou illegible Comment
  UC472300  Berberis nervosa Milo S. Baker July 1899 Siskiyou near Dunsmuir Comment
  CAS-BOT-BC75918  Berberis piperiana Doris K. Kildale 1929-4-27 7500 Siskiyou Cecilville upper South Fork of Salmon River. Comment
  CAS-BOT-BC75933  Berberis piperiana Roxana S. Ferris; Laura Lorraine 1948-6-12 11826 Siskiyou 1 mile below summit of Gazelle Mountain Grade, west side, Gazelle-Callahan Road. 1219 Comment
  CAS-BOT-BC75934  Berberis piperiana Geo. D. Butler 1910-8-1 1807 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC169480  Betula occidentalis Roxana S. Ferris; Laura Lorraine 1948-6-12 11823 Siskiyou East Fork of Scott River drainage, Parker Ranch, Plowman's [Noyes] Valley 1203 Comment
  HSC100271  Betula occidentalis J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13065 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2003 Comment
  UCSB24981  Bistorta bistortoides Keefe, Joseph 1967-7-11 Siskiyou Little Castle Lake, southeast of Castle Lake, 10 miles southwest of city of Mt. Shasta 1981 Comment
  CAS-BOT-BC127929  Blepharipappus scaber Louis C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek 914 Comment
  CAS-BOT-BC127930  Blepharipappus scaber Alice Eastwood 1912-7-20 1252 Siskiyou Hornbrook Comment
  CAS-BOT-BC127940  Blepharipappus scaber Dr. E. B. Copeland 1903-7-3 3524 Siskiyou Klamathon Comment
  HSC81990  Blepharipappus scaber Thomas W. Nelson, Jane P. Nelson 1979-6-16 4865 Siskiyou Along Hwy. 3, 2.2 mi. N of Scott Mtn. Summit 1341 Comment
  JEPS40348  Blepharipappus scaber W. L. Jepson 1907-7-1 Siskiyou w Siskiyou Co. Comment
  UC1409482  Boechera breweri Frederick W. Oettinger 1969-7-15 1026 Siskiyou between Diamond Lake and Upper English Lake (w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 2011 Comment
  UC375280  Boechera breweri Geo. D. Butler 1910-3-5 1118 Siskiyou Shasta Rim Comment
  CAS-BOT-BC16048  Boechera breweri subsp. shastaensis John Thomas Howell 1937-7-26 13568 Siskiyou Between Big Flat and Caribou Gulch, Salmon River Canyon. Comment
  CAS-BOT-BC16240  Boechera divaricarpa F. D. Douthitt 1923-7-13 43107 Siskiyou Klamath Forest. Dry Lake Mountain. 2133 Comment
  CAS-BOT-BC13811  Boechera howellii Reed Rollins 1938-7-28 11373 Siskiyou Mount Shasta. North Ridges. 2743 Comment
  SEINET3165707  Boechera pauciflora R. W. Spellenberg 2006-6-19 13746 Siskiyou On the Gazelle-Callahan Road, 3 km NE of junction to village of Callahan, 35 km SW of Gaselle. 1050 Comment
  CAS-BOT-BC14271  Boechera pinetorum C. L. Hitchcock; J. S. Martin 1939-7-9 5308 Siskiyou North side of Black Mountain near Marble Mountain (King's Castle). 2072 Comment
  UC165313  Boechera retrofracta Geo. D. Butler 1910-5-10 1331 Siskiyou Goosenest foothills Comment
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Jan 23 2011
  CAS-BOT-BC410946  Boechera sparsiflora Geo. D. Butler 1910-4-16 1178 Siskiyou Klamath hills Comment
  UC1540024  Boechera sparsiflora M. Mitchell 1936-5-14 20 Siskiyou 1/8 mi s Canby Cross; Lava Beds National Monument 1249 Comment
  SEINET3132241  Boechera sparsiflora G. D. Butler 1910-5-21 1382 Siskiyou Klamath hils Comment
  UC1333316  Boechera stricta Dorothy Parker 1949-5-28 305 Siskiyou Kidder Creek Salmon Mountains Range 914 Comment
  CAS-BOT-BC25917  Boechera suffrutescens John Thomas Howell 1939-8-2 14941 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  RSA298356  Boykinia occidentalis J. P. Smith, Steve Selva 1970-6-14 3886 Siskiyou 1 mile E of Steinacher Creek Rd on road to Forks of Salmon. Comment
  CAS-BOT-BC100470  Brickellia californica Carl B. Wolf 1927-8-26 1005 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  HSC76871  Brickellia grandiflora K. T. Stillman 1976-9-9 466 Siskiyou Marble Mountain Wilderness Area, Marble Valley Guard Station. 1738 Comment
  UC894192  Brickellia greenei Alice Eastwood 1912-8-28 1956 Siskiyou Cantara Comment
  UCD70189  Brickellia greenei D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-Lake Siskiyou-Gumboot Lake. South Fork (Sacramento River) Road. 1340 Comment
  UCSB37839  Brickellia greenei Roos, John 1948-9-2 Siskiyou 5 miles S.W. of Yreka Comment
  SEINET10570660  Brodiaea George D. Butler 1910-5-27 Butler 1415 Siskiyou Wet meadow Shasta Valley Comment
  SEINET10570598  Brodiaea capitata George D. Butler 1910-4-17 Butler 1192 Siskiyou Dry hills near Yreka Comment
  CHSC88407  Bromus carinatus var. carinatus Jenny Marr 1993-7-1 166 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UCD59199  Bromus carinatus var. marginatus Geo. D. Butler 1908-7-3 486 Siskiyou Near Yreka. Comment
  CAS-BOT-BC155963  Bromus commutatus William A. Dayton Jr. 1912-7-28 159 Siskiyou Shasta Forest. Ash Creek Sink. 1188 Comment
  RSA602810  Bromus diandrus L. C. Wheeler 1934-6-26 2793 Siskiyou Siskiyou Mountains, Cottonwood Creek. 838 Comment
  CDA1799  Bromus hordeaceus G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2780 Siskiyou Yreka. West of Motel 6, south of town, north of Greenhorn Creek Road. Comment
  UC204778  Bromus hordeaceus Geo. D. Butler 1909-5-22 818 Siskiyou near Yreka Comment
  UC70705  Bromus inermis subsp. inermis Jos. Burtt Davy June 1902 Siskiyou Sisson Comment
  CHSC91224  Bromus japonicus Lowell Ahart; John Dittes 2005-6-9 12030 Siskiyou Hill, south of a rock fence, about 100 yards northeast of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  JEPS107456  Bromus japonicus Lowell Ahart, John Dittes 2005-6-9 12009 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  RSA126877  Bromus marginatus H. A. Jensen 1933-3-30 s.n. Siskiyou Signal Butte; Dunsmuir. 1341 Comment
  RSA239075  Bromus orcuttianus Frederick W. Oettinger 1969-8-5 1207 Siskiyou Willow Spring on English Lake Trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UCD59078  Bromus orcuttianus R. Tofsrud 1949-8-3 s.n. Siskiyou Soap Creek Ridge between Yreka and Fort Jones. 1828 Comment
  HSC30544  Bromus suksdorfii Frederick W. Oettinger 1968-8-24 624 Siskiyou Marble Mountain Wilderness Area, NE of Crapo Ridge above Tom Taylor Cabin 1890 Comment
  RSA239070  Bromus suksdorfii Frederick W. Oettinger 1969-9-2 1588 Siskiyou Above Bear meadow near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  CHSC91335  Bromus tectorum Lowell Ahart; John Dittes 2005-6-9 12010 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  HSC68483  Bromus tectorum Maralyn A. Renner 1980-6-10 878 Siskiyou Ridge 1 mi. S of Greenhorn Rd. and 1 mi. E of Mill Creek 1341 Comment
  HSC30541  Bromus vulgaris Frederick W. Oettinger, R. F. Thorne 1969-8-6 1246 Siskiyou Salmon Mountains, woods below Pine Lake Basin 1829 Comment
  UC637096  Bromus vulgaris Annetta Carter 1934-8-13 708 Siskiyou watershed of West Branch Indian Creek (Happy Camp to Waldo (Oregon) Road, Klamath National Forest); Klamath National Forest 1463 Comment
  JEPS20950  Cacaliopsis nardosmia Geo. D. Butler 1909-5-30 760 Siskiyou Humbug Mountain Comment
  HSC30655  Calamagrostis canadensis var. langsdorffii Frederick W. Oettinger, R. F. Thorne 1969-8-4 1184 Siskiyou Marble Mtn. Wilderness Area, on moraine N of Tobacco Lake 1890 Comment
  UC1265353  Calamagrostis koelerioides Frederick W. Oettinger and R. F. Thorne 1969-8-4 1162 Siskiyou above Halfway Spring (on trail from English Lake to Diamond Lake, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  HSC32290  Callitropsis nootkatensis J. O. Sawyer 1971-6-29 2392 Siskiyou Elk Hole 1524 Comment
  CAS-BOT-BC85730  Calocedrus decurrens Doris K. Kildale 1928-8-20 6639 Siskiyou Finley's Upper Camp, head of north fork Salmon River - trail to Marble Mt. Comment
  CAS-BOT-BC85746  Calocedrus decurrens Wm. Bridge Cooke 1938-9-2 11592 Siskiyou Sisson Southern Trail 1524 Comment
  HSC68565  Calocedrus decurrens Maralyn A. Renner 1980-6-7 793 Siskiyou N of Greenhorn Rd. Comment
  UC618884  Calocedrus decurrens unknown 1938-9-2 11592 Siskiyou Sisson Southern Trail Mount Shasta, Sisson Southern Trail 1524 Comment
  UC163806  Calochortus elegans Geo. D. Butler 1910-6-5 1508 Siskiyou Shackleford Creek Comment
  JEPS61648  Calochortus elegans Hilda W. Grinnell 1935-6-7 Siskiyou Dry Lake Ranger Station Siskiyou Mts. 2062 Comment
  JEPS84241  Calochortus elegans L. R. Heckard with J. Hickman et al. 1986-7-17 6470 Siskiyou ca 5 mi n Seiad Valley (town) (s of Lily Pad Lake, trail up Kangaroo Peak, wall of e ridge); Kangaroo Peak 1800 Comment
  UC648359  Calochortus elegans Marion Ownbey and Ruth P. Ownbey 1938-7-20 1764 Siskiyou near Round Mountain (above Oak Knoll Ranger Station); Siskiyou Mts. Comment
  CAS-BOT-BC488603  Calochortus elegans var. nanus Marion Ownbey; D. H. Brown 1941-6-23 2429 Siskiyou On ridge near Gunsight Peak, Mountains west of Yreka Comment
  CAS-BOT-BC488608  Calochortus elegans var. nanus Wm. F. Herrin 1920-5-1 s.n. Siskiyou Shasta Springs Comment
  HSC60468  Calochortus elegans var. nanus Carl Wishner 1978-7-19 552 Siskiyou Monument Lake, Marble Mtn. Wilderness Area 1768 Comment
  SEINET5052729  Calochortus macrocarpus Unknown 1995-7-1 26 Siskiyou east of Yreka; near Table Mountain Comment
  CHSC40545  Calochortus nudus J. D. Jokerst 1983-6-5 1819 Siskiyou Ca. 15 air miles east of McCloud. Comment
  JEPS77489  Calochortus nudus Susan Horner 1978-1 421 Siskiyou 1 mi s Sheepheaven Spring (private meadow along Sheepheaven Creek, about 4.5 mi n of Bartle); Sheepheaven Creek 1402 Comment
  SBBG22938  Calochortus nudus H. and M. Dearing 1939-6-30 3754 Siskiyou near Callahan, Trinity Alps Rd Comment
  UCD63043  Calochortus nudus Daniel Sanchez-Mata; Tomas Santamaria 2006-7-26 s.n. Siskiyou Weed. Rail Creek Road from Gazelle-Callahan Road. Kangaroo Lake. Kangaroo Lake Botanical Area. The Fen Trail. Scott Mountains, Klamath National Forest. 1850 Comment
  SEINET8223993  Calochortus persistens Frank Callahan 2007-6-15 Siskiyou northeast flank of Cottonwood Peak, below road at marked point. 1607 Comment
  CAS-BOT-BC494020  Calochortus tolmiei J. H. Thomas 1954-5-12 4121 Siskiyou Salmon Mountains, klamath National Forest. Near south Fork of Salmon River, 5 to 9 miles southeast of Cecilville 975 Comment
  UC454387  Calochortus tolmiei I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat; Mt. Bradley 1828 Comment
  RSA11162  Calycadenia ciliosa C. B. Wolf 1927-8-27 1152 Siskiyou Klamath River, 1 mile above mouth of Salmon Comment
  CAS-BOT-BC273393  Calycadenia fremontii Elmer I. Applegate 1923-9-10 3983 Siskiyou Mouth of Salmon River, Klamath River Comment
  UCD129885  Calycadenia truncata R. L. Carr 1974-8-17 2129 Siskiyou 4.0 miles west of Gazelle on Gazella-Callahan Road, south or Yreka. 950 Comment
  HSC61819  Calyptridium monospermum Ruby Van Deventer 1938-7-21 Siskiyou Poker Flat 1585 Comment
  SJSU9826  Calyptridium umbellatum M. D. Fleschner 1965-7-13 Siskiyou slope above Horse Camp on Mt Shasta 2438 Comment
  UCD100481  Calyptridium umbellatum John M. Tucker; L. K. Mann 1963-7-7 3726 Siskiyou in vicinity of Paradise Lake, at bast of Kings Castle on the east side, Marble Mountain Wilderness Area. 1981 Comment
  UC141667  Calystegia malacophylla subsp. malacophylla H. E. Brown June 1-10 1897 397 Siskiyou near Sisson; near Sisson 1083 Comment
  CAS-BOT-BC497584  Camassia quamash subsp. breviflora Geo. D. Butler 1909-6-22 890 Siskiyou Goosenest foothills Comment
  JEPS53276  Camelina microcarpa Geo. D. Butler 1909-4-20 622 Siskiyou near Yreka Comment
  HSC6614  Camelina microcarpa L. C. Wheeler 1934-6-10 2672 Siskiyou Siskiyou Mtns., Hungry Creek 1098 Comment
  RSA120905  Camelina microcarpa Milo S. Baker 1957-6-15 13102 Siskiyou Just south of Weed. Comment
  RSA0056441  Camelina sativa subsp. sativa Louis C. Wheeler 1934-6-10 2672 Siskiyou Hungry Creek. 1097 Comment
  POM224484  Camissonia tanacetifolia subsp. tanacetifolia L. S. Rose 1936-7-28 36710 -A Siskiyou Mt. Hebron 1298 Comment
  SEINET10463152  Campanula prenanthoides Wolf 1927-8-26 WOLF 1064 Siskiyou On the Klamath River, 8 miles above Hamburg Comment
  UC29013  Campanula prenanthoides J. Burtt Davy 1899-6-27 5889 Siskiyou Weitchpek North Coast Ranges, Klamath River (on banks of river) Comment
  JEPS16326  Campanula rotundifolia Peter H. Raven 1956-9-5 10457 Siskiyou North Fork of the Sacramento River 2011 Comment
  CAS-BOT-BC266451  Campanula scabrella Alice Eastwood 1912-8-30 2010 Siskiyou Mount Eddy Comment
  SEINET10463573  Campanula scouleri Clifton 1978-7-30 CLIFTON 2468 Siskiyou NR WHITE MTN ON SEIAD V. QUAD. NR SEIAD VALLEY EVERGREEN CONIFER FOREST 1737 Comment
  SEINET10463468  Campanula scouleri John G. Lemmon Lemmon s.n. Siskiyou SISSON, NR. MT. SHASTA Comment
  SEINET10463576  Campanula scouleri Joseph W. Congdon 1900-8-16 Congdon s.n. Siskiyou CASTLE LAKE TRAIL Comment
  SEINET10463778  Campanula scouleri John G. Lemmon Lemmon s.n. Siskiyou Sisson's meadows, near Shasta Comment
  CHSC65630  Campanula wilkinsiana Maria Ulloa-Cruz 1994-8-3 70 Siskiyou Shasta-Trinity National Forest plants. Mount Shasta Ranger District. Big Canyon Creek Drainage. 1950 Comment
  SEINET10463891  Campanula wilkinsiana D'Evelyn 1931-8-10 D'EVELYN s.n. Siskiyou CREEK BED NEAR RED CAP, SCARCE 2438 Comment
  JEPS53394  Cardamine californica var. integrifolia Geo. D. Butler 1909-4-11 649 Siskiyou Shasta Springs Comment
  UC1736492  Cardamine nuttallii Dean W. Taylor 1999-6-10 17252 Siskiyou Marble Mountains, Mill Creek, ca. 4 miles W from Mugginsville in Quartz Valley, northerly facing slopes near watershed divide with Kidder Creek 1584 Comment
  UC673284  Cardaria draba Lincoln Constance, Reed C. Rollins 1942-5-14 2920 Siskiyou 1 mi e of Yreka (Klamath-Siskiyou Region); Klamath-Siskiyou Region 762 Comment
  RSA120643  Cardaria draba Milo S. Baker 1955-6-27 13089 Siskiyou Scott Valley 1 mile N of Callahan. Comment
  CAS-BOT-BC19762  Carex abrupta John Thomas Howell 1939-8-3 15004 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  RSA237333  Carex abrupta Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1249 Siskiyou Pine Lake Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC76855  Carex amplifolia L. P. Janeway 1982-6-18 77 Siskiyou 1 1/2 mi. up FS 19N07 from Indian Creek Rd., near a small creek 701 Comment
  CHSC62793  Carex angustata L. P. Janeway 1993-8-30 4561 Siskiyou West side of Cedar Lake; head of South Fork Sacramento River. 1741 Comment
  RSA119350  Carex aquatilis S. S. Tillett 1956-7-9 639 Siskiyou E of Scott Mountain, ca. 8 mi. SE of Callahan. Trinity-Siskiyou Cos line. 1829 Comment
  UCD140120  Carex aquatilis S. S. Tillett 1956-7-9 639 Siskiyou Siskiyou-Trinity County line: northwest-facing slope of Scott Mountain. 1828 Comment
  CHSC55553  Carex aquatilis var. dives L. P. Janeway 1983-8-16 560 Siskiyou At Poker Flat. 1524 Comment
  CHSC106462  Carex atherodes Peter F. Zika 2009-8-16 24601 Siskiyou Cascade Range Highlands (CaRH). On north side of Route 97, 0.4 road miles ENE of Grass Lake Rest Area, in seasonally wet meadow of Grass Lake. 1540 Comment
  CAS-BOT-BC19096  Carex aurea William Bridge Cooke 1939-6-23 13539 Siskiyou In the Lower Wagon Camp spring area. 1737 Comment
  CAS-BOT-BC19652  Carex brainerdii William Bridge Cooke 1939-8-10 13859 Siskiyou Mount Shasta. Along the bottom of Mud Creek Canyon. 1981 Comment
  UCR52393  Carex brainerdii L. P. Janeway 1983-6-25 336 Siskiyou Cutbank of dirt road c. 0.5 mi north of West Branch USFS Station. 671 Comment
  HSC71096  Carex echinata subsp. echinata Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4513 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  RSA237321  Carex echinata subsp. echinata Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1270 Siskiyou Margin of English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  CHSC40187  Carex globosa L. P. Janeway 1983-7-17 415 Siskiyou At edge of rd 18N33 ca 7 mi from the Grayback Rd. 1463 Comment
  CAS-BOT-BC20469  Carex halliana Alice Eastwood 1921-7-28 10943 Siskiyou Medicine Lake. Comment
  CAS-BOT-BC22295  Carex hassei W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow. Sisson. Comment
  UCR39770  Carex hoodii L. P. Janeway 1982-7-2 35 Siskiyou Poker Flat, end of road 18N33. At a raised drier spot in upper part of the meadow. 1524 Comment
  SEINET7561712 Image available Carex hoodii John Thomas Howell 1937-7-21 13196 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  LA17569  Carex inops J. W. Stacey; 1940-7-12 15344 Siskiyou Mount Shasta, along the Sisson Southern Trail 1676 Comment
  CAS-BOT-BC7658  Carex integra Arthur Menzies 1962-7-21 13253 Siskiyou Morgan Meadows, base of Mt. Eddy. 1706 Comment
  HSC85835  Carex integra L. P. Janeway 1983-8-6 491 Siskiyou Poker Flat, upper part of lower portion of meadow 1524 Comment
  RSA237299  Carex integra Frederick W. Oettinger 1969-8-15 1384 Siskiyou Meadows near Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  JEPS100906  Carex interior Dean W. Taylor 1988-7-8 9936 Siskiyou Gumboot Lake, headwaters South Fork Sacramento River 1950 Comment
  CAS-BOT-BC35478  Carex jonesii J. W. Stacey 1939-7-7 13617 Siskiyou near lower Wagon Camp Springs 1737 Comment
  SEINET10710013  Carex jonesii A. Arthur Heller 1922-7-15 Heller 13706 Siskiyou Plentiful in moist meadows at Medicine Lake, Canadian zone. 2134 Comment
  RSA237326  Carex laeviculmis Frederick W. Oettinger 1969-8-19 1458 Siskiyou Abbott s Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  HSC76392  Carex luzulina L. P. Janeway 1982-7-2 34 Siskiyou Poker Flat, end of FS Rd. 18N33 1524 Comment
  SEINET7566760 Image available Carex mariposana Frederick W. Oettinger 1968-9-8 733 Siskiyou High Lake Basin in the vicinity of English Peak, Marble Mountains Wilderness Area. Area of late snow-hold, southeast of Tom's Lake. 2149 Comment
  JEPS25658  Carex mertensii Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7301 Siskiyou 4 air-line mi n-ne of Preston Peak (just e of Del Norte County line, in Twin Valley, Siskiyou Mountains, watershed of Indian Creek); Siskiyou Mountains, Twin Valley 1493 Comment
  JEPS84171  Carex microptera L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6436 Siskiyou ca. 5 mi n town of Seiad Valley (cirque at head of Hell's Canyon, e slope of Kangaroo Mountain); Kangaroo Mountain, Hell's Canyon 1828 Comment
  HSC97434  Carex multicaulis Jennifer Whipple 1976-6-30 1184 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2378 Comment
  RSA60627  Carex multicaulis I. L. Wiggins 1950-5-28 12363 Siskiyou Margins of Carmen Lake, ca. 1.5 miles E of Scott Mtn road. 1738 Comment
  RSA794454  Carex multicaulis P. 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 east of junction with 42N19, Klamath Range. 1665 Comment
  CAS-BOT-BC23418  Carex multicostata Alice Eastwood 1921-7-28 10942 Siskiyou Medicine Lake. Comment
  SEINET7568517 Image available Carex multicostata Frederick W. Oettinger, R. F. Thorne 1969-8-6 1244 Siskiyou High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, Pine Lake Meadows. 1844 Comment
  CAS-BOT-BC119480  Carex nudata Alice Eastwood 1923-5-27 11947 Siskiyou Shasta Springs. Comment
  RSA335341  Carex nudata L. P. Janeway 1983-7-2 358 Siskiyou Along north shore Klamath river ca. 2 1/2 miles west of Fort Goff. 396 Comment
  HSC79087  Carex pachystachya L. P. Janeway 1983-8-26 618 Siskiyou At Poker Flat, dry W side of meadow 1524 Comment
  JEPS93891  Carex pellita Vernon H. Oswald and Lowell Ahart 1998-7-21 9353 Siskiyou ne of Weed and s of Macdoel (along Old State Highway on the w side of Bray); Bray, Old State Highway 1417 Comment
  CHSC114399  Carex praegracilis G. D. Barbe; J. T. Howel, T. C. Fuller 1980-4-28 2593 Siskiyou 2.5 miles south of Grenada Station between old highway and railroad right-of-way, Grenada, Siskiyou County. 792 Comment
  CAS-BOT-BC118781  Carex preslii John Thomas Howell 1939-8-9 15203 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  UC1265452  Carex preslii Frederick W. Oettinger 1969-8-19 1440 Siskiyou meadow SW of Arrow Peak (English Lake Basin; the high lake basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  HSC37426  Carex raynoldsii J. O. Sawyer 1969-7-24 1482 Siskiyou SW of Sugar Lake 1890 Comment
  SEINET8415056  Carex rossii L. P. Janeway 1983-8-7 525 Siskiyou Preston Peak quad, along S Fork Indian Creek Road (17N32) ca 17 miles from Indian Creek Road. 1402 Comment
  RSA0089579  Carex scabriuscula Dean Wm. Taylor 2002-8-7 18296 Siskiyou Logging road below Tamarack Lake, East Fork Trinity River; seepage area ca. 300 m south of area shown on topographic maps as 4991T. 0.2 mi N of the creek crossing. 1546 Comment
  HSC103349  Carex scabriuscula Thomas W. Nelson, Jane Nelson 1982-7-16 7232 Siskiyou Along west side of Forest Service Rd. 42N17, at summit above Deadfall Meadow, near crossing of Pacific Crest Trail. (Siskiyou-Trinity county line) 2073 Comment
  HSC39299  Carex scopulorum var. bracteosa J. O. Sawyer 1969-8-5 1752 Siskiyou W of Little Duck Lake 2073 Comment
  UCD63042  Carex scopulorum var. bracteosa Daniel Sanchez-Mata; Tomas Santamaria 2006-7-26 s.n. Siskiyou Weed. Rail Creek Road from Gazelle-Callahan Road. Kangaroo Lake. Kangaroo Lake Botanical Area. The Fen Trail. Scott Mountains, Klamath National Forest. 1850 Comment
  CHSC71608  Carex serratodens Vernon H. Oswald; Lowell Ahart 1998-8-3 9420 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its in-tersection with USFS 41N10. 1554 Comment
  HSC265  Carex spectabilis William J. Ferlatte 1967-8-21 1066 Siskiyou Sawtooth Ridge between Caribou Basin and Little S Fork Lake 2287 Comment
  HSC30671  Carex spectabilis Frederick W. Oettinger 1969-9-2 1602 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow near Tom Taylor Cabin 2165 Comment
  HSC86441  Carex spectabilis D. K. Imper Jun 1987 Siskiyou Mount Shasta Wilderness, 8 mi. E of town of Mt. Shasta, along Squaw Creek and meadows 2134 Comment
  CAS-BOT-BC117344  Carex stipata William Bridge Cooke 1940-6-8 15121 Siskiyou In meadow in Mount Shasta City. 1082 Comment
  CAS-BOT-BC117015  Carex straminiformis John Thomas Howell 1951-6-28 27705 Siskiyou Eureka Peak 2255 Comment
  UC1034048  Carex straminiformis W. Bridge Cooke 1941-9-10 16309 Siskiyou vicinity Horse Camp; Mt. Shasta Comment
  CAS-BOT-BC33154  Carex straminiformis William Henry Brewer 1397 Siskiyou Mount Shasta 2743 Comment
  HSC76809  Carex straminiformis L. P. Janeway 1982-8-13 120 Siskiyou N edge of Bear Creek and next to small creeklet joining Bear Creek 1555 Comment
  CAS-BOT-BC115841  Carex subfusca Elmer Ivan Applegate 1895-5-28 780 Siskiyou Sisson, Strawberry Valley. Comment
  SEINET7577190 Image available Carex subfusca Ray Tallent 1987-8-13 916 Siskiyou Klamath National Forest. Forest Rd 39N11 at Little Jackson Creek; Along road. 1740 Comment
  CHSC40129  Carex vesicaria L. P. Janeway 1982-8-15 149 Siskiyou On w side of Echo Lake. 1676 Comment
  SEINET10748613  Carex vesicaria A. Arthur Heller 1940-7-24 Heller 15763 Siskiyou Wet ground, edge of Castle Lake. Transition Life Zone. Comment
  CAS-BOT-BC59702  Cassiope mertensiana W. R. Dudley 1901-8-24 s.n. Siskiyou Foxtail Ridge, Salmon Mts. Comment
  HSC22112  Cassiope mertensiana subsp. ciliolata J. O. Sawyer 1969-7-9 1274 Siskiyou NE facing slope above S Sugar Lake 2256 Comment
  SEINET7042828  Castilleja A. G. Vestal 1955-5-16 s.n. Siskiyou Serpentine ca. 6.2 miles northwest of Weed. Weed quadrangle UTM Zone 10, 543291mE, 4591309mN. Comment
  CHSC36159  Castilleja angustifolia K. Bridwell 1978-7-6 168 Siskiyou N slope of Sheep Mountain, ca. 10 mi e of Macdoel. MDM. 1645 Comment
  CAS-BOT-BC249374  Castilleja applegatei K. L. Chambers 1967-6-22 2866 Siskiyou Siskiyou Mountains. About 500 ft. above and east of the freeway (Hwy. 5) at Hilts exit, Siskiyou Pass 1097 Comment
  HSC19025  Castilleja applegatei subsp. pinetorum J. O. Sawyer 1969-7-25 1521 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  HSC43833  Castilleja applegatei subsp. pinetorum Maralyn O'Meara 1974-5-27 487 Siskiyou Along FS Rd. 47N03 1280 Comment
  UC625497  Castilleja applegatei subsp. pinetorum Frank W. Gould 1938-6-27 480 Siskiyou 3 mi n Mount Shasta (town) 1082 Comment
  UC885411  Castilleja applegatei subsp. pinetorum A. A. Heller 1916-6-20 12398 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 Comment
  CAS-BOT-BC243756  Castilleja applegatei var. pinetorum Geo. D. Butler 1910-5-1 1257 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC243761  Castilleja applegatei var. pinetorum Elmer I. Applegate 1936-5-2 10203 Siskiyou Lava Beds National Monument between Indian Well and Caldwell Butte Comment
  JEPS3870  Castilleja arachnoidea W. L. Jepson 1940-6-27 20034 Siskiyou e slope Mt. Shasta 1828 Comment
  UC1037255  Castilleja arachnoidea Leo Whitney 1935-7-15 3476 Siskiyou 2 mi s Medicine Lake; Bullseye Lake Comment
  HSC59897  Castilleja arachnoidea D. L. Goforth 1979-7-19 253 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin 2134 Comment
  JEPS26528  Castilleja arachnoidea Lauramay T. Dempster 1961-7-3 1868 Siskiyou se of Callahan (w-face of Scott Mountain); Scott Mountain Comment
  RSA46748  Castilleja arachnoidea J. T. Howell 1937-7-29 13659 Siskiyou Scott Mountain between Trinity and Siskiyou counties. Comment
  JEPS66322  Castilleja lacera L. R. Heckard with T. I. Chuang 1971-6-16 2586 Siskiyou ca 2 mi n Weed (along U.S. Highway 97) Comment
  CAS-BOT-BC254116  Castilleja miniata John Thomas Howell 1939-8-2 14861 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC1238989  Castilleja miniata Freed W. Hoffman 1950-7-14 3627 Siskiyou Baldy Mountain North Coast Ranges (w Siskiyou County) Comment
  LA209238  Castilleja miniata Alice Eastwood; 1939-8-24 Siskiyou Mount Shasta, Squaw Valley Creek meadows 2438 Comment
  RSA518884  Castilleja miniata L. R. Heckard, Peter Rubtzoff 1971-8-1 2687 Siskiyou Road from Stewarts Springs to The Eddys, 4 miles below the summit of Mt. Eddy range. 1585 Comment
  CAS-BOT-BC32645  Castilleja pinetorum var. fragilis Charles Fuller Baker 1903-8-14 s.n. (= no. 3883 of C.F. Baker's distribution) Siskiyou Sisson, N. Cal. Comment
  POM42524  Castilleja pruinosa Geo. D. Butler 1910-5-15 1340 Siskiyou Greenhorn Mts. 1220 Comment
  CAS-BOT-BC241088  Castilleja schizotricha John Thomas Howell 1939-8-8 15182 Siskiyou Black Mts., Marble Mts. Comment
  UC722590  Castilleja schizotricha C. L. Hitchcock and J. S. Martin 1939-7-9 5330 Siskiyou 0.5 mi se King's Castle; Marble Mts. 1828 Comment
  RSA0001038  Castilleja schizotricha Geo. D. Butler 1910-7-9 1711 Siskiyou Wooly Creek. 1677 Comment
  CAS-BOT-BC49186  Ceanothus cuneatus C. Hart Merriam 1919-9-24 s.n. Siskiyou Ager Comment
  POM121382  Ceanothus cuneatus G. D. Barbe 1955-6-28 14 Siskiyou 0.4 mile N of Callahan 1006 Comment
  JEPS42184  Ceanothus cuneatus var. cuneatus Geo. D. Butler 1909-4-30 667 Siskiyou Yreka Comment
  SD42406  Ceanothus integerrimus Carl B. Wolf 1941-7-26 11079 Siskiyou Sacramento river Canyon, 1 mi. below Dunsmuir 671 Comment
  UC18347  Ceanothus integerrimus T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC61168  Ceanothus integerrimus W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou 18th Crossing Sisson Comment
  UCSB11909  Ceanothus integerrimus Breedlove, Dennis 1962-6-10 Siskiyou along Indian Creek Road, 10.5 miles northwest of Happy Camp; Siskiyou Mountains 518 Comment
  CAS-BOT-BC52118  Ceanothus prostratus Wm. F. Herrin 1918-5-15 s.n. Siskiyou Shasta Springs Comment
  HSC98196  Ceanothus prostratus R. C. Wunner 1965-6-7 112 Siskiyou Lava Beds National Monument, Mammoth Crater 1616 Comment
  JEPS42258  Ceanothus prostratus Willis L. Jepson July 1894 14381 Siskiyou near Sisson (Upton); Upper Sacramento River Comment
  UCSB25037  Ceanothus prostratus Keefe, Joseph 1967-7-11 Siskiyou Little Castle Lake, southeast of Castle Lake, 10 mi. southwest of city of Mt. Shasta. 1981 Comment
  UC163661  Ceanothus pumilus Geo. D. Butler 1909-4-24 907 Siskiyou Greenhorn Road Comment
  JEPS89110  Ceanothus velutinus W. L. Jepson 1940-6-23 20018 Siskiyou 1 mi s Andesite (n of Mt. Shasta) 975 Comment
  RSA12597  Ceanothus velutinus Carl B. Wolf 1934-7-6 5989 Siskiyou 3 mi. from Mt. Shasta City on Wagon Camp Road. SW slope of Mt. Shasta. 1220 Comment
  UC375372  Ceanothus velutinus Geo. D. Butler 1908-8-3 412 Siskiyou Shackleford Creek Log Lake, Shackleford Creek Comment
  CAS-BOT-BC52810  Ceanothus velutinus var. velutinus Gilbert Muth 1965-7-30 s.n. Siskiyou Marble Valley and Marble Rim Comment
  CAS-BOT-BC52839  Ceanothus velutinus var. velutinus Gilbert Muth 1965-7-30 s.n. Siskiyou Marble Valley and Marble Rim Comment
  CDA20008  Centaurea X moncktonii M. Bagley 2002-8-1 PDR P 087837 -B Siskiyou Northern California; vicinity of Mt Shasta. 0 Comment
  CDA38627  Centaurea jacea Jodi Aceves 2012-8-6 PDR# 470 P06027577 Siskiyou Dunsmuir; Tauhindauli Park, near the Sacramento River. 0 Comment
  CDA18843  Centaurea maculosa R. Breckenridge 1999-6-3 PDR 909442 Siskiyou Along I-5 near Simms Road underpass in the vicinity of Dunsmuir. 0 Comment
  CAS-BOT-BC489620  Centaurea solstitialis Steve Orloff 2011-9-1 SQK 472276 S1-D Siskiyou From a property along the Klamath River Comment
  UC725957  Centromadia fitchii A. A. Heller 1925-7-25 13907 Siskiyou 7 mi s Yreka Comment
  HSC19081  Cephalanthera austiniae J. O. Sawyer 1969-7-23 1175 Siskiyou Along road near Horse Range Creek. 1341 Comment
  HSC44701  Cephalanthera austiniae J. O. Sawyer, E. Cope 1977-6-19 2941 Siskiyou Clear Creek Trail between West Fork and Preston Creek 854 Comment
  SBBG30183  Cephalanthera austiniae D. Myrick 1968-6-29 2061 Siskiyou Mountain Meadow Ranch, Big Flat, near Trinity Center; Trinity Alps 1524 Comment
  UC1045260  Cephalanthera austiniae W. Bridge Cooke 1940-7-5 15226 Siskiyou near Bear Springs Mt. Shasta Comment
  CDA39521  Cephalanthera austiniae F. D. Horn 1982-6-22 s.n. Siskiyou South of State Fish Hatchery, in Old Shasta Brown Ranch subdivision, southwest of Mount Shasta City. 0 Comment
  CDA3352  Cerastium dichotomum C. S. Giebner 1963-4-3 Siskiyou Chili Hammond property, halfway between Yreka and Montague. 0 Comment
  HSC103384  Cerastium dichotomum T. C. Fuller 1962-5-18 8745 Siskiyou Little Shasta Rd., 5 mi. E of Montague. Comment
  UCD98003  Cerastium dichotomum T. C. Fuller 1962-6-12 8969 Siskiyou B. M. Long prop., Little Shasta Road, 5 miles east of Montague. Comment
  CAS-BOT-BC400179  Ceratophyllum demersum Edward Lee 1934-8-12 1240 Siskiyou South side of the Klamath River near the mouth of Walker Creek (east end of Seiad Valley) 426 Comment
  CAS-BOT-BC148525  Cercocarpus ledifolius var. ledifolius Wm. Bridge Cooke 1938-8-23 11574 Siskiyou Upper end of Shastina Lava Park - Mount Shasta 2438 Comment
  UC1037459  Cercocarpus ledifolius var. ledifolius Douglas Barbe 1955-7-29 315 Siskiyou Scott Mountain; Klamath Mountains, Scott Mountain 1737 Comment
  SBBG30610  Chaenactis douglasii D. Myrick 1968-6-22 1995 Siskiyou Lava Beds Nat Monument 1371 Comment
  JEPS44093  Chaenactis douglasii var. douglasii W. B. and V. G. Cooke 1965-7-12 35177 Siskiyou Bolem Road Mt. Shasta 1524 Comment
  CAS-BOT-BC276761  Chaenactis douglasii var. douglasii Geo. D. Butler 1909-6-12 332 Siskiyou Greenhorn Mountain Comment
  JEPS101368  Chaenactis suffrutescens Dean W. Taylor 1997-6-12 16051 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle Comment
  UC1539999  Chamaebatiaria millefolium M. Mitchell 1936-5-21 24 Siskiyou Lava Beds National Monument, Frozen River Cave Frozen River Cave; Lava Beds National Monument, Frozen River Cave 1348 Comment
  HSC46341  Chamaecyparis lawsoniana J. P. Smith, Steve Selva 1970-7-15 4343 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  RSA624977  Chamaecyparis nootkatensis L. C. Wheeler 1963-8-25 8275 Siskiyou Preston Peak: Summit ridge. 2133 Comment
  UCD126574  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
  CAS-BOT-BC165977  Chamerion angustifolium Laura M. Lathrop 1903-7-10 s.n. Siskiyou Shasta Retreat Comment
  UC61178  Chamerion angustifolium subsp. circumvagum W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC68237  Cheilanthes gracillima Ira L. Wiggins 1955-7-27 13531 Siskiyou Salmon-Trinity alps Primitive Area - on rocky ridge along west side of Caribou Lake 2042 Comment
  CAS-BOT-BC68248  Cheilanthes gracillima L. B. Kildale 1930-6-1 9854 Siskiyou Summit between Sawyers Bar & Etna Mill 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
  HSC67798  Chimaphila menziesii J. O. Sawyer, J. Cole 1980-7-22 3992 Siskiyou Little Horse Peak 1720 Comment
  CAS-BOT-BC452281  Chimaphila umbellata Doris K. Kildale 1930-6-1 9787 Siskiyou Black Bear trail to Sawyer's Bar Comment
  CHSC1407  Chimaphila umbellata M. Yoder 1941-7-21 Siskiyou Castle Lake. 1981 Comment
  HSC69265  Chimaphila umbellata John Palmer 1980-8-12 728 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  HSC96818  Chimaphila umbellata S. Lyon, J. McIntire 2006-6-25 22 Siskiyou On FS Rd. 39N35, 0.26 mi. SE of intersection with FS Rd. 39N27 1341 Comment
  RSA96940  Chimaphila umbellata subsp. occidentalis P. C. Everett, E. K. Balls, George B. Everett 1954-10-11 20266 Siskiyou Castle Lake, Foresst service camp, s.w. of town of Mt. Shasta. 1250 Comment
  CDA1896  Chloris virgata T. C. Fuller 1966-10-5 15243 Siskiyou West side of Interstate 5 just south of exit to Hilts. 0 Comment
  CDA5619  Chorispora tenella L. Ahart, J. Dittes 2005-6-1 12120 Siskiyou East 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. Comment
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Oct 5 2019
  JEPS107654  Chorispora tenella Lowell Ahart, John Dittes 2005-6-10 12120 Siskiyou East 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
  CAS-BOT-BC36380  Chrysolepis chrysophylla W. R. Dudley 1907-8-25 s.n. Siskiyou Salmon Mountains Comment
  UC705920  Chrysolepis chrysophylla var. chrysophylla Marion Ownbey, Fred G. Meyer 1940-7-8 2222 Siskiyou 11 mi above Happy Camp (hillside along Indian Creek); Indian Creek Comment
  CAS-BOT-BC36201  Chrysolepis sempervirens Alice Eastwood 1921-7-28 10892 Siskiyou Little Mt. Hoffman Comment
  CAS-BOT-BC36235  Chrysolepis sempervirens Wm. Bridge Cooke 1938-9-8 11645 Siskiyou North side of Red Butte, Mount Shasta 2468 Comment
  CHSC617  Chrysolepis sempervirens V. Holt 1939-7-1 Siskiyou Mt. Shasta City. 1097 Comment
  UC1096787  Chrysolepis sempervirens Milo S. Baker 1957-6-16 13143 Siskiyou from turn-off near Callahan (trip to Scott Mountain); North Coast Ranges Comment
  RSA184687  Chrysothamnus nauseosus subsp. albicaulis Gilbert Muth 1966-8-7 503 Siskiyou Lookout trail along ridge, Marble Mts. 2058 Comment
  HSC19003  Cinna latifolia J. O. Sawyer 1969-8-4 1806 Siskiyou Above Sugar Lake 2134 Comment
  CAS-BOT-BC190004  Cinna latifolia J. R. Swallen 1940-8-22 15662 Siskiyou Mount Shasta. Near springs in Mud Creek Canyon. 1981 Comment
  JEPS93965  Cirsium arvense Vernon H. Oswald and Lowell Ahart 1998-9-16 9633 Siskiyou 5.3 mi e of Highway 97 (Highway 161 adjacent to a marsh at the Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge, Highway 161 1243 Comment
  CHSC91258  Cirsium cymosum Lowell Ahart; John Dittes 2005-6-10 12126 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
  JEPS59121  Cirsium douglasii var. breweri W. L. Jepson 1914-8-13 5798 Siskiyou Sisson 1097 Comment
  CAS-BOT-BC279883  Cirsium douglasii var. breweri John Thomas Howell 1952-6-14 28329 Siskiyou Mt. Shasta City Comment
  CAS-BOT-BC279888  Cirsium douglasii var. breweri A. A. Heller 1920-8-13 13526 Siskiyou Near Deetz Station, six miles from Sisson Comment
  HSC26756  Cirsium occidentale var. candidissimum J. P. Smith, J. O. Sawyer 1971-9-18 4809 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  UC165438  Cirsium occidentale var. candidissimum Geo. D. Butler 1910-6-22 1449 Siskiyou near Yreka Comment
  UC1211911  Cirsium occidentale var. candidissimum Roy L. Taylor 1960-6-12 4443 Siskiyou n of Yreka (1 mi w of jtn. of Hwy. 96 and Hwy 99, above Kalmath River); Klamath River Comment
  CAS-BOT-BC286474  Cirsium scariosum A. A. Heller 1905-6-20 8077 Siskiyou Gazelle Comment
  UC166658  Cirsium scariosum Geo. D. Butler 1910-6-6 1459 Siskiyou Quartz Valley Comment
  CAS-BOT-BC286466  Cirsium scariosum T. C. Fuller 1959-7-9 2738 Siskiyou Hwy 99, 2 miles south of Gazelle Comment
  CDA1581  Cirsium scariosum var. robustum Don Shaw 1982-7-16 s.n. Siskiyou Butte Valley; west of Dorris, east of Secret Spring Mtn. Comment
  CAS-BOT-BC439047  Cistanthe monosperma Mrs. H. C. Cantelow 1936-5-20 1382 Siskiyou Summit of Salmon Mt. 1818 Comment
  CAS-BOT-BC228961  Cistanthe umbellata H. A. Thomas; J. H. Thomas 1954-7-24 4485 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Ruch Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC163184  Clarkia lassenensis Elmer I. Applegate 1935-6-6 9348 Siskiyou Indian Well, Lava Beds National Monument Comment
  CAS-BOT-BC163459  Clarkia purpurea subsp. quadrivulnera L. B. Kildale 1930-6-1 9699 Siskiyou Salmon River at Crapp Creek Comment
  CAS-BOT-BC163460  Clarkia purpurea subsp. quadrivulnera Rodney Gregg 1948-6-15 s.n. Siskiyou Near reservoir, Yreka Comment
  CAS-BOT-BC164972  Clarkia rhomboidea Doris K. Kildale 1928-7-2 5356 Siskiyou Salmon Summit via Horn Creek trail 1981 Comment
  RSA465249  Claytonia lanceolata Christopher Davidson 1975-6-5 2690 Siskiyou 0.1 ENE on unnamed dirt rd. departing to E off Hwy 3 at Scott Mtn summit. 1677 Comment
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May 17 2012
  UC165441  Claytonia parviflora subsp. parviflora Geo. D. Butler 1910-5-8 1305 Siskiyou near Yreka Comment
  CAS-BOT-BC443711  Claytonia rubra Alice Eastwood 1912-7-16 1130 Siskiyou McCloud Comment
  JEPS69765  Claytonia rubra W. B. and V. G. Cooke 1972-6-30 45422 Siskiyou Military Pass Road; Mt. Shasta Comment
  RSA601898  Claytonia rubra L. C. Wheeler 1935-5-5 3465 Siskiyou Greenhorn Creek. Siskiyou Mtns. (Mt Diablo Mer.) 854 Comment
  CAS-BOT-BC443720  Claytonia rubra subsp. depressa John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53381 Siskiyou 2.5 miles south of Grenada, Shasta Valley 762 Comment
  SBBG30593  Claytonia rubra subsp. rubra D. Myrick 1968-6-25 2013 Siskiyou Mountain Meadow Ranch, Big Flat; Coffee Crk 1524 Comment
  HSC22230  Claytonia rubra subsp. rubra J. O. Sawyer 1969-7-1 958 Siskiyou Ridge above Paynes Lake Creek 1433 Comment
  UC454256  Claytonia sibirica I. J. Condit 1911-7-31 Siskiyou Shasta Springs; along railroad Comment
  CHSC33848  Clintonia uniflora J. D. Prouty 1981-8-5 1284 Siskiyou Adjacent to Whiskey Creek and road 39N51.2. 1219 Comment
  HSC58941  Clintonia uniflora Marvin Butler 1971-7-19 161 Siskiyou Near El Capitan close to the town of Cave Junction 1524 Comment
  UC1409327  Clintonia uniflora Frederick W. Oettinger 1969-8-7 1277 Siskiyou se end of English Lake, in the vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area English Lake; Salmon Mountains, Marble Mountain Wilderness Area, English L 1767 Comment
  CAS-BOT-BC500962  Clintonia uniflora Philip A. Munz 1952-7-1 17861 Siskiyou Baldy Mountain road, northwest of Happy Camp, Siskiyou Mountains 1219 Comment
  CAS-BOT-BC500965  Clintonia uniflora Edward Lee 1934-8-13 1084 Siskiyou Watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest 1463 Comment
  UC142134  Clintonia uniflora Mrs. Legge Aug. 1900 Siskiyou Warm Castle Comment
  JEPS6299  Collinsia grandiflora Geo. D. Butler 1904-4-26 608 Siskiyou Quartz Valley Comment
  JEPS23806  Collinsia linearis Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7315 Siskiyou jeep rd between Poker Flat and Twin Valley between Poker Flat and Twin Valley, (ridge top marking Del Norte-Siskiyou County line); Siskiyou Mtns 1664 Comment
  UC672465  Collinsia parviflora Dorothy Tebbe 1930-3-28 66 Siskiyou Weed Comment
  HSC64679  Collinsia rattanii J. O. Sawyer 1977-7-7 3038 Siskiyou N of Little Duck Lake 2073 Comment
  JEPS3846  Collinsia torreyi var. latifolia Duncan Dunning 1921-7-16 Siskiyou nw Hambone (se Siskiyou Co.); Toad Mtn. Comment
  HSC46338  Collomia grandiflora J. P. Smith, Steve Selva 1970-6-15 3940 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  UC52561  Collomia grandiflora Geo. B. Grant September, 1902 5159 Siskiyou Sisson Mount Shasta 914 Comment
  UC922456  Collomia grandiflora Annie M. Alexander and Louise Kellogg 1949-7-23 5853 Siskiyou Paradise Lake Marble Mountains 1920 Comment
  UCSB24733  Collomia grandiflora Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 8 miles north of Happy Camp; Siskiyou Mts. 487 Comment
  HSC69116  Collomia tinctoria Maralyn A. Renner 1980-8-7 2392 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  UC726802  Collomia tinctoria A. A. Heller 1916-6-20 12404 Siskiyou ne base of mountain Mt. Eddy, Metcalf's Ranch 1188 Comment
  CAS-BOT-BC180417  Comandra umbellata subsp. californica W. R. Dudley 1893-6-23 s.n. Siskiyou near Castle Crag Tavera, near Mt. Shasta Comment
  UC163664  Comandra umbellata subsp. californica Geo. D. Butler 1909-6-22 1069 Siskiyou Goosnest Foothills Comment
  CAS-BOT-BC376184  Conium maculatum Andrew Townesmith; Karen M. Meyer 2007-8-3 899 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) 593 Comment
  HSC91956  Corallorhiza maculata Jennifer Whipple 1977-8-6 2225 Siskiyou Dale Creek drainage on N face of Mount Eddy 2195 Comment
  HSC19040  Corallorhiza mertensiana J. O. Sawyer 1969-7-18 1387 Siskiyou Near South Russian Creek 1890 Comment
  CAS-BOT-BC32966  Cordylanthus tenuis subsp. pallescens Francis Whittier Pennell 1940-7-18 26184 Siskiyou Route 99, 2--3 mi. N of Mount Shasta City 1158 Comment
  HSC49947  Cordylanthus tenuis subsp. pallescens G. L. Clifton, Ground 1978-7-18 2390 Siskiyou Near Upton, close to the town of Mt. Shasta 1140 Comment
  CHSC105577  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-5 16221 Siskiyou Dunsmuir; road 1M036 (Railroad Park Road) across from the railroad museum. Lat and Long. indicated +/- 56 feet. 704 Comment
  CHSC105578  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-6 16233 Siskiyou Ney Springs Road east of Lake Siskiyou; population intermittent along road starting 0.6 miles east of road 20M020 and extending at least to 1.2 miles. Lat. and Long. indicated +/- 36 feet. 932 Comment
  CHSC105582  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-4 16205 Siskiyou Forest Service Road 41N26, the Eddy Creek Road, 2.8 miles above the junction with Old Stagecoach Road (study site 11). Lat. and Long. indicated +/- 22 feet. 1280 Comment
  CHSC105586  Cordylanthus tenuis subsp. viscidus Barbara L. Wilson; Richard E. Brainerd 2010-8-5 16220 Siskiyou Dunsmuir; Panorama Drive north of Interstate Highway 5. +/- 49 feet of Lat. and Long. indicated. 774 Comment
  JEPS74930  Cordylanthus tenuis subsp. viscidus T. I. and F. M. Chuang 1975-7-21 7545 Siskiyou s side Dunsmuir 762 Comment
  RSA0084761  Cordylanthus tenuis subsp. viscidus Rebecca Wenk 2008-7-25 949 Siskiyou Road to Kangaroo Lake, 4.3 miles south of turnoff from Gazelle-Callahan Rd. 1616 Comment
  RSA523399  Cordylanthus tenuis subsp. viscidus L. R. Heckard, T. I. Chuang, R. C. Bacigalupi 1968-8-13 2123 Siskiyou Along Dunsmuir Avenue, just over a mile south of Dunsmuir (downtown). 823 Comment
  CAS-BOT-BC212272  Cornus glabrata A. A. Heller 1922-6-22 13666 Siskiyou Along the Pacific Highway on a stream bank on the slope of the siskiyou Mountains near the Oregon line. Comment
  CAS-BOT-BC212050  Cornus nuttallii Marion Ownbey; D. H. Brown 1941-6-22 2426 Siskiyou Road between Craggy Mountain, and Deadwood Lookout northwest of Yreka Comment
  CAS-BOT-BC212069  Cornus nuttallii Elmer I. Applegate 1895-5-29 224 Siskiyou Sisson, west base of Mount Shasta Comment
  UC705589  Cornus nuttallii Marion Ownbey and D. H. Brown 1941-6-22 2426 Siskiyou n.w. Yreka (on rd. between Craggy Mt. and Deadwood Lookout) Comment
  UC618769  Cornus sericea subsp. sericea W. Bridge Cooke 1938-7-1 11121 Siskiyou at upper end of the spring meadow Bear Spring; Mt. Shasta, Bear Spring Comment
  UC164270  Corylus californica Geo. D. Butler 1910-5-30 1433 Siskiyou Humbug Creek 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
  UCD110056  Corylus cornuta subsp. californica AT Leiser 1973-3-22 s.n. Siskiyou Dunsmuir. Comment
  JEPS124699 Image available Corylus cornuta subsp. californica Joe Ammirati 1964-7-1 78 Siskiyou Fowler's Camp ground below lower falls on the McCloud River. Comment
  HSC101718  Crataegus gaylussacia J. P. Smith, J. O. Sawyer 2011-6-25 13275 Siskiyou Along Sugar Creek Rd. 1214 Comment
  CHSC71469  Crepis acuminata Vernon H. Oswald; Lowell Ahart 1998-7-21 9319 Siskiyou Hwy. 97 at the 11.0 mi mile marker 1.2 mi west of A12 northeast of Weed. Roadside bank. 1188 Comment
  JEPS36411  Crepis acuminata W. L. Jepson 1937-7-30 18533 Siskiyou near Poker Flat; Summit Siskiyou Mts. 1584 Comment
  CAS-BOT-BC290480  Crepis acuminata Wm. Bridge Cooke 1940-6-4 15014 Siskiyou Mount Shasta. Near the Bolam Road Comment
  CAS-BOT-BC290505  Crepis bakeri subsp. cusickii L. E. Smith 1915-5-1 s.n. Siskiyou Hilt Comment
  UC1041113  Crepis intermedia J. W. Congdon 1900-8-16 Siskiyou Castle Lake Trail Comment
  CDA4451  Crepis monticola F. D. Horn 1980-5-13 Siskiyou Vacant areas north of Northridge Drive, Yreka. 0 Comment
  UC581200  Crepis occidentalis E. B. Babcock and G. L. Stebbins 1936-6-11 1901 Siskiyou about 7 mi sw Yreka (s of hwy from Yreka to Fort Jones); Forest House Mt. 1363 Comment
  UC91845  Crepis occidentalis T. S. Brandegee Jul 1887 Siskiyou Sisson's Comment
  CAS-BOT-BC290840  Crepis occidentalis subsp. pumila L. E. Smith 1915-5-1 s.n. Siskiyou Yreka Comment
  UC581295  Crepis occidentalis subsp. pumila E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1938 Siskiyou old river terrace about 8 mi s Yreka 810 Comment
  UC895344  Crepis pleurocarpa L. E. Smith 1913-7-12 474 Siskiyou Sulloway Creek Comment
  RSA591655  Crypsis vaginiflora L. C. Wheeler 1934-10-14 3322 Siskiyou Siskiyou Mts.; Shasta River 2 mi. below Yreka Creek 671 Comment
  CHSC75685  Cryptantha torreyana Vernon H. Oswald; Lowell Ahart 1999-7-5 9796 Siskiyou Gazelle-Callahan Hwy. 9.0 mi west of Gazelle. 914 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
  HSC92769  Cryptogramma acrostichoides Jennifer Whipple 1976-7-23 1520 Siskiyou Dale Cr. drainage, N face of Mt. Eddy 2317 Comment
  CAS-BOT-BC80552  Cupressus bakeri Oliver V. Matthews 1939-7-11 31 Siskiyou Seiad Grove 1463 Comment
  CAS-BOT-BC85606  Cupressus bakeri C. B. Wolf; E. R. Johnson 1934-10-8 6167 Siskiyou Modoc Lava Beds, 1 mi. N.E. of Timbered Crater on Old Stage Rd. from Dana to Little Hot Springs Valley 1219 Comment
  CAS-BOT-BC85650  Cupressus bakeri Oliver V. Matthews 1939-7-18 38 Siskiyou Northeast Goose Nest Grove-Goose Nest Region 1828 Comment
  RSA22766  Cupressus bakeri O. V. Matthews 1939-7-11 30 Siskiyou Nearly the highest point of Seiad Grove, Seiad Region 1433 Comment
  RSA30874  Cupressus bakeri L. C. Wheeler 1935-4-14 3417 Siskiyou West Fork Seiad Creek, Siskiyou Mtns. (Mt Diablo Mer) Comment
  CAS-BOT-BC213751  Cupressus bakeri subsp. matthewsii Carl Brandt Wolf 1934-10-9 2130 Siskiyou Siskiyou Mts., above W. fork of Seiad Creek, 3/4 mi. above forks of creek 1158 Comment
  UCR143518  Cupressus macnabiana L. C. Wheeler 1935-4-14 3417 Siskiyou Siskiyou Mountains, West Fork Seiad Creek 1159 Comment
  JEPS47088  Cuscuta cephalanthi A. L. Grant 1902-9-1 5217 Siskiyou Sisson Comment
  JEPS39348  Cynoglossum occidentale W. L. Jepson 1894-7 21075 Siskiyou Sisson 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
  UC184030  Cyperus squarrosus Geo. D. Butler 1910-8-13 1835 Siskiyou Oro Fino Comment
  CAS-BOT-BC114145  Cyperus squarrosus Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar. Comment
  RSA722401  Cypripedium californicum W. Lane 1938-07 s.n. Siskiyou Siskiyou Mountains 1220 Comment
  HSC39936  Cypripedium montanum J. O. Sawyer 1970-6-17 2201 Siskiyou N slopes of Eaton Peak 1524 Comment
  RSA692794  Cystopteris fragilis L. C. Wheeler 1934-7-5 2879 Siskiyou Deer creek, Serling Mountain Comment
  HSC26624  Dactylis glomerata J. P. Smith, Steve Selva 1970-6-15 3946 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  RSA239099  Dactylis glomerata Frederick W. Oettinger 1968-9-6 739 Siskiyou Tom's Lake region . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2188 Comment
  SEINET3895842 Image available Damasonium californicum George Neville Jones 1967-6-30 45134 Siskiyou In pond near Dorris.; 0 Comment
  CHSC95121  Darlingtonia californica L. P. Janeway 2006-7-4 8780 Siskiyou Klamath Ranges. Scott Mountains; Darlingtonia fe ... Field redacted by CHSC, contact the data manager for more information 1728 Comment
  UC11154  Darlingtonia californica Geological Survey 1862-1 1356 Siskiyou near stream Mt. Shasta Comment
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Nov 6 2019
  CHSC1571  Dasiphora fruticosa V. Holt 1932-7-10 Siskiyou Mt. Eddy. 2286 Comment
  CDA5359  Daucus carota T. C. Fuller 1959-7-8 6042 Siskiyou 0.6 mile west of Ainsworth Corners. 0 Comment
  RSA17735  Delphinium andersonii Elmer I. Applegate 1935-6-6 9354 Siskiyou N base of Caldwell Butte, Lava Beds National Monument Comment
  HSC19076  Delphinium decorum subsp. tracyi J. O. Sawyer 1969-6-13 950 Siskiyou Slope above Little Duck Lake 2134 Comment
  JEPS23312  Delphinium glaucum Geo. D. Butler 1908-6-1 353 Siskiyou Whiskey Camp Marble Mountains, Independence Creek (w slope of mts) 1676 Comment
  HSC76663  Delphinium glaucum K. T. Stillman 1976-7-29 309 Siskiyou Marble Mtn. Wilderness Area, Bear Creek Trail 1585 Comment
  CAS-BOT-BC10133  Delphinium menziesii Mrs. H. C. Cantelow 1936-5-20 1391 Siskiyou Summit of Salmon Mt. 1818 Comment
  CAS-BOT-BC9883  Delphinium nudicaule George Dexter Butler 1910-5-7 1299 Siskiyou Near Yreka Comment
  CAS-BOT-BC9886  Delphinium nudicaule Elmer Ivan Applegate 1935-6-10 9484 Siskiyou South cinder slope of Caldwell Butte, Lava Beds National Monument Comment
  HSC34137  Delphinium nuttallianum J. O. Sawyer 1969-7-1 963 Siskiyou NE facing lower slope above Paynes Lake Creek 1829 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
  RSA12574  Delphinium nuttallianum Carl B. Wolf 1934-7-6 6012 Siskiyou 1/2 mile below Wagon Camp, S slope of Mt. Shasta 1524 Comment
  RSA68853  Delphinium nuttallianum A. E. Culbertson 1943-6-26 103 Siskiyou Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. Comment
  UC642522  Deschampsia atropurpurea Jason Swallen 1939-8-24 13892 Siskiyou middle cascade portion Squaw Valley Creek; Mt. Shasta, Squaw Valley Creek Comment
  HSC38599  Deschampsia cespitosa J. P. Smith, Steve Selva 1970-7-18 4482 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  JEPS73746  Deschampsia danthonioides Geo. D. Butler 1908-6-25 477 Siskiyou along creek near Yreka (Butler's Ranch); Butler's Ranch Comment
  HSC26550  Deschampsia elongata J. P. Smith, Steve Selva 1970-7-17 4464 Siskiyou Below Kangaroo Lake. 1890 Comment
  HSC30538  Deschampsia elongata Frederick W. Oettinger 1969-8-16 1396 Siskiyou Marble Mtn. Wilderness Area, Upper English Lake, SW of Wiregrass Meadow. 1707 Comment
  JEPS84088  Deschampsia elongata L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6389 Siskiyou ca. 1.5 mi. e. of Red Butte summit (ca. 7 mi. n.-n.e. of Seiad Valley, w. of Cook and Green Pass) 1900 Comment
  UC1108538  Deschampsia elongata Ira L. Wiggins 1955-7-22 13449 Siskiyou 9.5 mi. above Cecilville; S. Fork Salmon R. 1066 Comment
  CHSC503  Descurainia incana V. Holt 1943-8-7 Siskiyou Marble mountains. Comment
  CAS-BOT-BC43135  Descurainia pinnata subsp. brachycarpa Lincoln Constance; Reed Clark Rollins 1942-5-14 2932 Siskiyou Shasta River 6 miles north of Yreka. 762 Comment
  POM369575  Descurainia sophia L. C. Wheeler 1934-6-2 2620 Siskiyou Oak Knoll ranger station, Klamath River; Mt. Diablo Mer. 671 Comment
  RSA262522  Dicentra formosa subsp. formosa J. M. Tucker, D. V. Hemphill 1974-7-27 4309 Siskiyou Beside Haypress Creek, a short distance downstream from Haypress Meadows, Marble Mountain Wilderness Area 1463 Comment
  POM186944  Dicentra formosa subsp. formosa Marcus E. Jones 1931-7-17 28940 Siskiyou Shasta City (Session's). Comment
  CHSC639  Dicentra pauciflora M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  UCSB24989  Dicentra pauciflora Keefe, Joseph 1967-7-11 Siskiyou Along trail to Little Castle Lake, 1.0 mile southeast of Castle Lake, 10 miles south of city of Mt. Shasta 1828 Comment
  CAS-BOT-BC500903  Dichelostemma capitatum Roxana S. Ferris; Laura Lorraine 1948-6-12 11852 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side 1417 Comment
  HSC44866  Dichelostemma capitatum subsp. capitatum J. P. Smith 1973-5-5 6455 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  CAS-BOT-BC502187  Dichelostemma ida-maia Clarence R. Quick 1958-6-17 58 -18 Siskiyou Occasional on brushy slope near Black Bear SUmmit south of Sawyer's Bar, on ridge road to Cecilville 1356 Comment
  HSC30436  Dichelostemma ida-maia Frederick W. Oettinger 1969-8-3 1145 Siskiyou Marble Mtns. Wilderness Area, off the trail and uphill from from the stock gate on the English Lake-Abbott's Upper Cabin trail 1829 Comment
  HSC43036  Dichelostemma multiflorum J. O. Sawyer, Ken Stillman 1976-7-2 2809 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  UC593509  Dichelostemma multiflorum E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1941 Siskiyou about 8 mi s Yreka 822 Comment
  CAS-BOT-BC500991  Dichelostemma multiflorum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-21 53568 Siskiyou Yreka 822 Comment
  JEPS44099  Dieteria canescens var. shastensis W. B. and V. G. Cooke 1965-7-12 35191 Siskiyou Bolam Road Mt. Shasta 1524 Comment
  JEPS109234  Digitaria sanguinalis D. W. Taylor 2005-9-29 19502 Siskiyou Weed,lawn margin bordering Boles Creek at the park/picnic area just W of (below) the Hwy 299 bridge [Hwy 97] Comment
  CDA6685  Dipsacus fullonum T. C. Fuller 1959-10-14 3126 Siskiyou Highway 99, north limits of Mt. Shasta City. 0 Comment
  RSA520565  Disporum hookeri var. hookeri Michael A. Hanson 1990-5-22 82 Siskiyou On Indian Creek Road, 14.3 miles (23 km) NW of the intersection of Indian Creek Road and Hwy 96 (Happy Camp). Comment
  SEINET10558103  Distichlis spicata Louis C. Wheeler 1935-6-30 Wheeler 3642 Siskiyou Dry subsaline adobe flat, 3 mi. S. Grenada, Shasta Valley. 792 Comment
  HSC19084  Dodecatheon alpinum J. O. Sawyer 1969-8-5 1738 Siskiyou W of Little Duck Lake 2073 Comment
  HSC61774  Dodecatheon alpinum Ruby Van Deventer Siskiyou Poker Flat 1585 Comment
  RSA238734  Dodecatheon alpinum Frederick W. Oettinger 1969-7-15 1029 Siskiyou On wet, cold, meadow at 'Bear Meadow' spring in saturated humus-located mid-way as the crow flies between Tom Taylor cabin and English Peak summit., The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  UC1409477  Dodecatheon alpinum Frederick W. Oettinger 1969-7-15 1029 Siskiyou High Lake Basins in the vicinity English Peak (Bear Meadow spring, midway between Tom Taylor Cabin and English Peak summit, Marble Mountain Wilderness Area, Salmon Mountains); Marble Mountain Wilderness Area, Salmon Mountains 1996 Comment
  UC877609  Dodecatheon alpinum A. A. Heller 1915-7-15 12089 Siskiyou Mt. Eddy 1828 Comment
  JEPS86075  Dodecatheon hendersonii Wayne Roderick 1966-6-26 Siskiyou Cook and Green Pass area 1524 Comment
  HSC19275  Dodecatheon jeffreyi J. O. Sawyer 1968-7-9 441 Siskiyou W of Little Duck Lake 1936 Comment
  HSC69354  Dodecatheon jeffreyi Maralyn A. Renner 1980-8-21 2582 Siskiyou Kidd Creek 2043 Comment
  JEPS82488  Dodecatheon jeffreyi Gilbert Muth 1965-8-6 187 Siskiyou backside of Black Mt. Marble Mt. Wilderness Area, Black Mt. 2042 Comment
  JEPS84211  Dodecatheon jeffreyi L. R. Heckard with J. Hickman et al. 1986-7-17 6464 Siskiyou ca 5 mi n of the town Seiad Valley (s of Lily Pad Lake, trail up Kangaroo Peak); s of Lily Pad Lake, n of Seiad Valley 2011 Comment
  RSA238722  Dodecatheon jeffreyi Frederick W. Oettinger 1969-7-17 1051 Siskiyou Along inlet stream on SW side of Upper English Lakw. Wet bereal meadow. Red Fir Forest. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UC1190250  Dodecatheon jeffreyi Ira L. Wiggins 1955-7-27 13545 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  UC54922  Dodecatheon jeffreyi W. T. Mooney June, 1902 Siskiyou Yreka Comment
  JEPS94821  Downingia cuspidata Vernon H. Oswald and Lowell Ahart 1998-6-11 9225 Siskiyou near the junction of Meiss Lake-Sams Neck Road and Highway 97 5 mi n of Macdoel (Butte Valley National Grassland); Butte Valley National Grassland 1295 Comment
  JEPS19784  Downingia pulcherrima Rimo Bacigalupi with S. Galen Smith 1957-6-26 5937 Siskiyou about 2.5 mi nw Weed (close to U.S. Highway 99) 1005 Comment
  UC909358  Downingia yina Dorothy Parker 1948-7-11 100 Siskiyou above Beswick; Shovel Creek Comment
  HSC44783  Draba aureola S. Horner 1977-7-19 209 Siskiyou Siskiyou-Trinity county line Comment
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Jul 7 2020
  HSC29183  Draba howellii Frederick W. Oettinger 1967-7-26 196 Siskiyou Salmon Mtns., high lake basins in the vicinity of English Peak, Marble Mtn. Wilderness area, down NE end of Crapo Peak Ridge 2186 Comment
  RSA237275  Draba howellii Frederick W. Oettinger 1968-8-24 630 Siskiyou above Tom s Lake and just below Crapo Peak. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  SEINET4852968  Draba pterosperma G. D. Butler 1910-7-10 1716 Siskiyou Marble Mountain. 1677 Comment
  JEPS53535  Draba verna Geo. D. Butler 1909-4-6 549 Siskiyou along creek near Yreka; along creek near Yreka Comment
  HSC44704  Draperia systyla J. O. Sawyer, E. Cope 1977-6-18 2900 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  UC72698  Drosera rotundifolia Milo S. Baker 1899-8-4 555 Siskiyou Dead Horse Canyon Comment
  JEPS80530  Drymocallis Gilbert Muth 1966-7-17 405 Siskiyou trail to Lookout (Marble Mt. Wilderness Area); Marble Mountain Wilderness Area 1828 Comment
  HSC76994  Drymocallis glandulosa K. T. Stillman 1976-6-25 80 Siskiyou Marble Mtn. Wilderness Area, N side of Elk Valley. 1799 Comment
  UC154518  Drymocallis lactea var. austiniae Harley P. Chandler June, 1901 1697 Siskiyou near Marble Mountain; North Coast Ranges, near Marble Mountain 1828 Comment
  HSC69709  Drymocallis lactea var. lactea Maralyn A. Renner 1980-7-15 1776 Siskiyou English Lake inlet 1780 Comment
  JEPS57178  Drymocallis pseudorupestris L. R. Heckard 1967-8-13 1696 Siskiyou summit region of Mt. Eddy 2743 Comment
  CAS-BOT-BC158427  Drymocallis rhomboidea Elmer I. Applegate 1935-6-8 9427 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  CAS-BOT-BC112776  Eleocharis macrostachya Henry Knut[e] Svenson 1939-6-23 13517 Siskiyou Meadow at Bear Springs, Mt. Shasta. 1524 Comment
  CAS-BOT-BC113106  Eleocharis obtusa Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar. Comment
  RSA610534  Eleocharis palustris L. C. Wheeler 1935-7-13 3664 Siskiyou Ager. 793 Comment
  CAS-BOT-BC112699  Eleocharis parishii Arthur L. Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy. 1706 Comment
  UC839227  Eleocharis parishii Louis C. Wheeler 1934-7-17 2913 Siskiyou Cottonwood Creek Siskiyou Mountains 1036 Comment
  CAS-BOT-BC112693  Eleocharis parishii Louis C. Wheeler 1934-7-17 2913 Siskiyou Cottonwood Creek. 1036 Comment
  POM359942  Elymus elymoides M. B. Dunkle 1945-1 9323 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  RSA233654  Elymus elymoides R. F. Thorne, Frederick W. Oettinger 1969-8-10 38999 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta; at base of boulders on dry, sunny, volcanic slopes above ski-lodge. 2378 Comment
  UC618876  Elymus elymoides subsp. elymoides W. Bridge Cooke 1938-7-15 11266 Siskiyou Wagon Camp Mount Shasta (around outer portions of meadows) 1737 Comment
  HSC38384  Elymus elymoides var. elymoides A. M. Montalvo, J. D. Ackerman 1974-7-2 344 Siskiyou E slope of Eddy Mtn., on rd. to Deadfall Lakes and Morgan Meadows. 1524 Comment
  HSC62002  Elymus elymoides var. elymoides Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1549 Comment
  HSC67772  Elymus elymoides var. elymoides J. O. Sawyer, J. Cole 1980-7-20 3799 Siskiyou E side of Grouse Hill 2134 Comment
  HSC76897  Elymus glaucus K. T. Stillman 1976-9-9 491 Siskiyou Marble Mtn. Wilderness Area, trail from jump off to Paradise Lake 1951 Comment
  UC197187  Elymus glaucus Geo. D. Butler 1909-6-13 834 Siskiyou Moffitt Creek Moffitt Creek Comment
  CAS-BOT-BC206594  Elymus glaucus subsp. glaucus John Thomas Howell 1937-7-21 13167 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC206608  Elymus glaucus subsp. glaucus Doris K. Kildale 1929-8-24 9010 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  HSC30580  Elymus glaucus subsp. glaucus Frederick W. Oettinger 1969-8-18 1423 Siskiyou Marble Mountain Wilderness Area, N end of Horse Range Lake 1822 Comment
  CAS-BOT-BC206603  Elymus glaucus subsp. glaucus W. R. Dudley 1901-8-23 s.n. Siskiyou East slope of Foxtail Ridge, Salmon Mountains Comment
  UC197108  Elymus glaucus subsp. jepsonii Geo. D. Butler 1908-7-20 466 Siskiyou Humbug Creek Comment
  CAS-BOT-BC235225  Elymus multisetus Geo. D. Butler 1910-5-26 1412 Siskiyou Yreka Comment
  UC197115  Elymus multisetus Geo. D. Butler 1910-5-26 1412 Siskiyou Yreka Comment
  CAS-BOT-BC213812  Elymus repens Dorothy Parker 1945-9-9 121 Siskiyou Fields on Parker Ranch, Plowman's Valley 1097 Comment
  SEINET10554730  Elymus trachycaulus George D. Butler 1910-7-3 Butler 1624 Siskiyou Creek bed, Goose nest foothills. 1219 Comment
  HSC92388  Elymus trachycaulus subsp. trachycaulus Jennifer Whipple 1977-7-21 2025 Siskiyou Near Durney Lake 2073 Comment
  CAS-BOT-BC392232  Enemion stipitatum Louis C. Wheeler 1935-3-10 3371 Siskiyou Miller Gulch off Klamath River, Siskiyou Mts. 670 Comment
  UCD77628  Epilobium anagallidifolium Robert E. Preston 2001-7-21 1722 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 2066 Comment
  RSA588492  Epilobium brachycarpum M. B. Dunkle 1945-8-2 9280 Siskiyou Kings Castle, Klamath National Forest. Marble Mountains. Comment
  POM89974  Epilobium brachycarpum L. R. Abrams 1922-8-7 9914 Siskiyou Weed. Comment
  JEPS43884  Epilobium ciliatum subsp. ciliatum Geo. D. Butler 1908-6-25 509 Siskiyou near Yreka (along creek); Butler's Ranch Comment
  RSA8244  Epilobium ciliatum subsp. ciliatum Elmer I. Applegate 1923-9-6 s.n. Siskiyou Doggett Creek, Klamath River Comment
  UC637087  Epilobium ciliatum subsp. ciliatum Edward Lee 1934-8-11 1027 Siskiyou e end of valley Seiad Valley, Walker Creek (creek is a tributary of Klamath River) 457 Comment
  JEPS109702  Epilobium ciliatum subsp. glandulosum Dean W. Taylor 2002-7-20 18262 Siskiyou Forest Road 17 ca. 4.9 road miles (above) junction with Stewart Springs Road, Parks Creek 1737 Comment
  CHSC88100  Epilobium densiflorum Jenny Marr 1993-7-1 110 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC637165  Epilobium densiflorum Edward Lee 1934-8-10 1017 Siskiyou s bank of river between McKinney Creek and Parkerhouse Creek; Klamath River 609 Comment
  HSC213  Epilobium hallianum William J. Ferlatte 1966-6-22 95 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  HSC19487  Epilobium hornemannii subsp. hornemannii J. O. Sawyer 1969-8-5 1951 Siskiyou Above the S Fork of Sugar Creek 1814 Comment
  RSA458713  Epilobium minutum J. P. Smith 1973-5-5 6451 Siskiyou Trail to the Siskiyou cypress stand off the Cook and Green Pass road. Comment
  HSC86524  Epilobium oreganum D. K. Imper 1987-7-23 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  HSC92073  Epilobium siskiyouense Jennifer Whipple 1976-7-24 1558 Siskiyou SW of Dobkins Lake along the drainage into the lake 2287 Comment
  SEINET3413803  Equisetum telmateia var. braunii Jack Seely 1991-6-2 s.n. Siskiyou Klamath National Forest: West Branch Forest Service Campground; elevation 2200 ft. 671 Comment
  JEPS52498  Eremocarpus setiger Geo. D. Butler 1908-8-15 69 Siskiyou near Yreka; Butler Ranch Comment
  HSC5737  Ericameria bloomeri D. M. Thomson 1965-8-14 191 Siskiyou California Lava Beds National Monument; on Tichner Rd. at Tichner Cave Comment
  HSC79096  Ericameria bloomeri Paul Wilson 1984-8-30 361 Siskiyou Juanita Lake Reservoir 1555 Comment
  LA203658  Ericameria greenei Louis Wheeler; 1934-8-24 3220 Siskiyou Siskiyou Mountains, Trapper Creek 1859 Comment
  CHSC57344  Ericameria nauseosa Michael D. Mayes 1983-4-16 7 Siskiyou Ca. 8 mi sw of Tulelake. Approx. 250 yds n of n entrance to Lava Beds National Monument. 1231 Comment
  CAS-BOT-BC298252  Ericameria nauseosa var. oreophila Alice Eastwood 1922-10-23 11557 Siskiyou Yreka Comment
  UC205565  Ericameria nauseosa var. oreophila H. M. Hall 1919-10-3 Siskiyou Shasta Valley Comment
  CAS-BOT-BC299471  Ericameria nauseosa var. speciosa C. Hart Merriam 1907-9-24 s.n. Siskiyou Ager Comment
  UCR198036  Ericameria pinifolia Daniel Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-McCloud close to Snowmans Hill 1488 Comment
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Jul 18 2018
  CAS-BOT-BC293499  Erigeron aliceae J. M. Tucker; L. K. Mann; S. L. Holloway 1963-8-18 3748 Siskiyou Upper Canyon Creek, ca. 1/2 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area 1920 Comment
  HSC31128  Erigeron aliceae J. O. Sawyer 1971-8-19 2455 Siskiyou 2012 Comment
  HSC78333  Erigeron aliceae L. P. Janeway 1983-7-31 481 Siskiyou Poker Flat, E portion of meadow. 1524 Comment
  HSC92420  Erigeron bloomeri var. bloomeri Jennifer Whipple 1976-6-30 1197 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  HSC44956  Erigeron compositus J. O. Sawyer 1978-6-16 3229 Siskiyou Marble Mtn. Wilderness Area, Upper Elk Valley 1951 Comment
  CAS-BOT-BC297105  Erigeron compositus Wm. Bridge Cooke; V. G. Cooke 1960-8-8 s.n. Siskiyou West side of Mud Creek Canyon, Mount Shasta 3048 Comment
  CAS-BOT-BC297163  Erigeron concinnus var. concinnus Elmer I. Applegate 1929-6-18 5737 Siskiyou About 5 miles north of Edgewood, Shasta Valley Comment
  JEPS93983  Erigeron elegantulus Vernon H. Oswald 1998-6-27 9239 Siskiyou ca. 22 air mi. n.e. Weed (Dry Lake on s. side of Tennant Rd. ca. 9 air mi. e. of Grass Lake); Dry Lake 1402 Comment
  CAS-BOT-BC300478  Erigeron filifolius L. E. Smith 1915-7-6 s.n. Siskiyou Bray Comment
  HSC24898  Erigeron filifolius Richard Spjut 1970-7-24 869 Siskiyou 30mi N of Weed on Hwy. 97 1524 Comment
  CAS-BOT-BC296127  Erigeron foliosus var. confinis Doris K. Kildale 1929-7-20 8688 Siskiyou Raspberry Lake upper South Fork of Indian Creek 1828 Comment
  HSC61968  Erigeron foliosus var. confinis Al Hobart 5 Aug [year missing] Siskiyou Preston Peak Comment
  CDA4954  Erigeron inornatus G. C. Fleischman 1946-7-26 Siskiyou Vicinity of Mt. Shasta. 0 Comment
  JEPS29180  Erigeron klamathensis Lauramay Dempster 1961-7-1 1832 Siskiyou slopes se White Mountains Comment
  RSA238717  Erigeron peregrinus subsp. callianthemus Frederick W. Oettinger 1969-9-2 1597 Siskiyou NNE side of English Peak 2165 Comment
  RSA31950  Erigeron petrophilus var. viscidulus A. A. Heller 1918-7-16 13032 Siskiyou Mt Eddy Comment
  UC725338  Erigeron petrophilus var. viscidulus A. A. Heller 1918-7-16 13032 Siskiyou Mt. Eddy Comment
  RSA60477  Erigeron philadelphicus John H. Thomas 1949-6-16 945 Siskiyou 1/4 mi north of Beaver Creek Public Camp, along Beaver Creek; 5 mi north of junction of Beaver Creek and Klamath River; Klamath National Forest. Comment
  RSA12509  Erigeron philadelphicus C. B. Wolf 1934-7-4 5927 Siskiyou 0.7 mi. below mouth of Dillon Creek, Klamath River. 244 Comment
  JEPS41368  Erigeron philadelphicus var. philadelphicus Geo. D. Butler 1908-7-20 326 Siskiyou Humbug Creek Comment
  SJSU6485  Erigeron pumilus var. intermedius R. W. Trivelpiece 1972-6-9 99 Siskiyou about 4 miles east of Grass Lake 1524 Comment
  CAS-BOT-BC224140  Eriodictyon californicum Geo. D. Butler 1910-5-25 1405 Siskiyou Near Yreka Comment
  UC144188  Eriodictyon californicum A. A. Heller 1905-6-8 7996 Siskiyou Yreka Comment
  UC24052  Eriodictyon californicum T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC248840  Eriogonum compositum var. compositum Lillian Mott 1976-5-31 19 LM76 Siskiyou Klamath River, for ca. 4.5 miles below jct. of Hwy. 5 and 96 579 Comment
  RSA47643  Eriogonum compositum var. compositum Roxana S. Ferris, Laura Lorraine 1948-6-12 11763 Siskiyou East fork of Scott River one mile north of Callahan Comment
  CHSC78525  Eriogonum congdonii Vernon H. Oswald 2000-8-28 9958 Siskiyou Rock Fence Lake Road (40N18) 0.6 mi from its junction with Kangaroo Lake Road. 1737 Comment
  CAS-BOT-BC246492  Eriogonum diclinum Doris K. Kildale 1928-8-20 6620 Siskiyou Hancock Lookout, on trail to Marble Mt. 2151 Comment
  RSA236432  Eriogonum diclinum D. V. Hemphill 2100 Siskiyou Salmon Mountains: high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area; Spur ridge off of Hell Hole Ridge between Lake Ethel and Big Meadows. 1860 Comment
  UC912779  Eriogonum diclinum Louis C. Wheeler 1934-9-1 3235 Siskiyou open rocky ridgetop Siskiyou Mts., Jaynes Canyon; Jaynes Canyon, Siskiyou Mts., Siskiyou Co. 1950 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
  RSA393293  Eriogonum elatum var. elatum M. B. Dunkle 1945-8-2 9275 Siskiyou Paradise Lake, Klamath National Forest, Marble Mountains. Comment
  CAS-BOT-BC255761  Eriogonum elatum var. villosum Dorothy Parker 1948-8-5 172 Siskiyou Plowman's Valley, e. fork of Scott River 1188 Comment
  UCD19115  Eriogonum elatum var. villosum A. M. Shapiro 1986-7-16 s.n. Siskiyou Ball Mountain. 1981 Comment
  SD53392  Eriogonum hirtellum Darley F. Howe 1962-8-4 3385 Siskiyou Baldy Mt. 1431 Comment
  CAS-BOT-BC263188  Eriogonum marifolium var. cupulatum Elmer I. Applegate 1923-8-20 3902 Siskiyou Medicine Lake, west side 1981 Comment
  CAS-BOT-BC263175  Eriogonum marifolium var. cupulatum W. B. Cooke; V. G. Cooke 1963-7-11 34289 Siskiyou Old Wagon Camp road. Wagon Camp area, Mt. Shasta Comment
  CAS-BOT-BC263183  Eriogonum marifolium var. cupulatum Mrs. H. C. Cantelow 1939-6-10 s.n. Siskiyou McCloud 991 Comment
  HSC69137  Eriogonum nudum Maralyn A. Renner 1980-8-8 2481 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  HSC42993  Eriogonum nudum var. nudum J. P. Smith, Steve Selva 1970-7-15 4365 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  HSC98384  Eriogonum nudum var. nudum J. O. Sawyer 1968-7-23 579 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  RSA393329  Eriogonum nudum var. nudum Robert Gustafson 1985-10-19 3307 Siskiyou Gazelle Callahan Road 1372 Comment
  RSA393331  Eriogonum nudum var. nudum L. S. Rose 1937-6-26 37601 Siskiyou 3 miles east of Mt. Shasta City. 1372 Comment
  HSC17320  Eriogonum nudum var. pubiflorum R. C. Wunner 1965-6-29 301 Siskiyou Lava Beds National Monument, near upper Caldwell Ice Cave entrance 1433 Comment
  UC398665  Eriogonum nudum var. pubiflorum A. A. Heller 1927-8-2 14443 Siskiyou 3 mi s Yreka Comment
  POM253225  Eriogonum ovalifolium var. ovalifolium A. A. Heller 1938-7-13 15272 Siskiyou Border of meadows just south of Bray. 1402 Comment
  UC1505835  Eriogonum pyrolifolium Robert T. Clausen and Harold Trapido 1940-7-27 4968 Siskiyou 3 mi nne summit of Mt. Shasta (w side of w fork of Mountainhouse Creek); So. Cascade Mts., Sacramento River Basin, Mountainhouse Cree 2438 Comment
  HSC27766  Eriogonum roseum J. P. Smith, J. O. Sawyer 1972-9-14 5794 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  HSC17430  Eriogonum siskiyouense Dorothy Parker 1968-8-10 Siskiyou Kangaroo Divide above Kangaroo Lake 1921 Comment
  CAS-BOT-BC262763  Eriogonum strictum var. anserinum Geo. D. Butler 1910-5-27 1417 Siskiyou Yreka hills Comment
  UC55401  Eriogonum strictum var. proliferum Harley P. Chandler 1901-7-2 1733 Siskiyou Etna Mills North Coast Ranges, Etna Mills 914 Comment
  CAS-BOT-BC263381  Eriogonum strictum var. proliferum Lester Rowntree 1937-8-5 s.n. Siskiyou Between Etna and Ft. Jones Comment
  CAS-BOT-BC263445  Eriogonum ternatum Doris K. Kildale 1929-7-20 8621 Siskiyou South fork Indian Creek to Elk Lick 1524 Comment
  CAS-BOT-BC540704  Eriogonum ternatum Dana York 2012-7-21 3134 Siskiyou Siskiyou Mountains: Klamath National Forest, ca. 500 m NE of Red Butte 1950 Comment
  CAS-BOT-BC267935  Eriogonum umbellatum Noel H. Holmgren; James L. Reveal 1966-6-9 2697 Siskiyou US 97, Shasta Valley, 4 miles north of Weed 1158 Comment
  CAS-BOT-BC267945  Eriogonum umbellatum L. E. Detling 1950-6-10 6625 Siskiyou Shasta R. Canyon, nr. Dry Gulch 777 Comment
  CAS-BOT-BC267971  Eriogonum umbellatum var. argus Elmer I. Applegate 1923-9-7 3961 Siskiyou Dry Lake Lookout Station, Doggett Ridge, south slope of the Siskiyou Mountains Comment
  CAS-BOT-BC267987  Eriogonum umbellatum var. argus Doris K. Kildale 1928-8-19 6568 Siskiyou Hancock Lake, on trail to Marble Mt. 2133 Comment
  HSC43411  Eriogonum umbellatum var. argus K. T. Stillman 1976-7-17 266 Siskiyou Marble Mtn. Wilderness Area, ridge above Elk Valley on W side 1951 Comment
  SEINET3860081  Eriogonum umbellatum var. argus James L. Reveal, Mark L. Reveal 1975-8-15 3955 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Dry Lake Lookout Road (Forest Service Road 40S01), 0.5 mi W of Dry Lake Lookout near the Buckthorn Trail.; 0 2042 Comment
  UC909319  Eriogonum umbellatum var. argus Dorothy Parker 1948-8-16 182 Siskiyou near summit of Salmon Mountain 1813 Comment
  JEPS56218  Eriogonum umbellatum var. dumosum W. L. Jepson 1940-6-23 19995 Siskiyou e Mayten (east side, Little Shasta Valley); Little Shasta Valley 883 Comment
  CAS-BOT-BC268142  Eriogonum umbellatum var. goodmanii Gilbert Muth 1965-8-10 s.n. Siskiyou Along upper ridges, Marble Valley Comment
  CAS-BOT-BC268154  Eriogonum umbellatum var. humistratum Peter H. Raven 1956-9-4 10418 Siskiyou On the summit of Mt. Eddy 2758 Comment
  RSA60649  Eriogonum umbellatum var. humistratum Dorothy Parker 1948-8-16 s.n. Siskiyou Near summit of Salmon Mountain. 1814 Comment
  CHSC57443  Eriogonum umbellatum var. modocense L. P. Janeway 1984-6-22 878 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08. 1645 Comment
  JEPS104885  Eriogonum umbellatum var. modocense Dean W. Taylor 1993-7-30 13994 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 miles east of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  UC722839  Eriogonum umbellatum var. modocense C. L. Hitchcock, J. S. Martin 1939-7-9 5312 Siskiyou between King's Castle and Black Mt. (w side of ridge) 1828 Comment
  UC375310  Eriogonum umbellatum var. nevadense Geo. D. Butler 1908-8-5 204 Siskiyou summit above Cold Spring; Woolly Creek Comment
  RSA420578  Eriogonum umbellatum var. polyanthum Bonnie C. Templeton 1960-6-21 8523 Siskiyou Between Yreka and the border checking station. Comment
  CAS-BOT-BC435530  Eriogonum ursinum var. erubescens James L. Reveal; Julie D. Knorr 2002-8-5 8371 Siskiyou Scott Bar Mountains, N and W slope and ridge of Deadwood Baldy Peak, Klamath Naitonal Forest 1725 Comment
  SEINET13095711  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. 1670 Comment
  UC86007  Eriogonum vimineum T. S. Brandegee July 1887 Siskiyou Hornbrook 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
  UC1112260  Eriophorum crinigerum Rimo C. Bacigalupi with Galen Smith 1957-6-26 5953 Siskiyou ca. 6 mi. due s. Mt. Eddy (head of S. Fork of Sacramento R., w. side Gumboot Lake); Gumboot Lake 1859 Comment
  JEPS19990  Eriophorum gracile W. L. Jepson Aug. 1894 Siskiyou near Sisson Comment
  CAS-BOT-BC301125  Eriophyllum lanatum var. achilleoides Copeland 1903-7-6 3549 Siskiyou Hornbrook Comment
  POM31386  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-6-7 1532 Siskiyou McAdams Creek Comment
  RSA237296  Eriophyllum lanatum var. achilleoides Frederick W. Oettinger 1967-6-28 139 Siskiyou On Salmon River, sand bar due west of mouth of Kelly Gulch. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 613 Comment
  CHSC96031  Eriophyllum lanatum var. grandiflorum L. P. Janeway 2006-7-3 8768 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead Road about 1.5 km west of upper crossing of Music Creek. 1646 Comment
  CAS-BOT-BC301703  Eriophyllum lanatum var. lanceolatum Gilbert Muth 1965-7-29 s.n. Siskiyou Trail to Marble Mt. Lookout Comment
  CAS-BOT-BC301708  Eriophyllum lanatum var. lanceolatum Donald Myrick 1961-6-20 274 Siskiyou Near Mt. Shasta City Comment
  CAS-BOT-BC301709  Eriophyllum lanatum var. lanceolatum Geo. D. Butler 1908-7-20 298 Siskiyou Head of Long Gulch near Yreka Comment
  CAS-BOT-BC301724  Eriophyllum lanatum var. lanceolatum C. R. Quick 1950-6-21 50 -03 Siskiyou Paul's Gulch, lateral drainage S of Hungry Creek Comment
  LA86564  Eriophyllum lanatum var. lanceolatum J. M. Tucker; L. K. Mann 1963-8-18 3763 Siskiyou Marble Mountain Wilderness Area, On top of saddle, between Marble and southwest ridge of Black Mountain 2103 Comment
  RSA78806  Eriophyllum lanatum var. lanceolatum P. A. Munz 1952-7-3 17920 Siskiyou Ft. Goff Public Camp, Klamath River 366 Comment
  UC1409449  Eriophyllum lanatum var. lanceolatum Frederick W. Oettinger 1969-8-18 1435 Siskiyou ne Horse Range Lake (w Siskiyou County, high lake basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1821 Comment
  CAS-BOT-BC54590  Erysimum capitatum L. R. Abrams 1922-8-7 9916 Siskiyou 1 mile south of Weed. Comment
  HSC36715  Erysimum capitatum var. capitatum Brent Whiteley 1975-6-28 71 Siskiyou 915 Comment
  HSC61797  Erysimum capitatum var. capitatum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC55111  Erysimum perenne William Bridge Cooke 1938-6-24 11073 Siskiyou Mount Shasta. MacBride Spring. 1524 Comment
  CAS-BOT-BC55118  Erysimum perenne Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mountains. Skyhigh Lake. Comment
  SEINET8390058  Erythranthe linearifolia Christine C. Lorain 1994-8-14 2267 Siskiyou on trail along Deadfall Creek near Lower Deadfall Lake at eastern base of Mt. Eddy; Shasta National Forest. 2134 Comment
  RSA184803  Erythronium grandiflorum subsp. grandiflorum Gilbert Muth 1966-7-8 350 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 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
  HSC27009  Eucephalus glabratus J. P. Smith, J. O. Sawyer 1972-9-12 5774 Siskiyou Scott Mtn., slopes E of Big Carmen Lake 1982 Comment
  JEPS9608  Euonymus occidentalis var. occidentalis Geo. D. Butler 1908-8-22 407 Siskiyou Eldredge's corral Russian Creek 1219 Comment
  SEINET10453752  Euphorbia crenulata Mary Merello 1993-6-25 Merello 720 Siskiyou Shasta National Forest. At end of Forest Service Road 39N 28, road to Lower Falls and Fowlers Campground. Open conifer woodlands. Disturbed. Along McCloud River. 970 Comment
  UC1736078  Euphorbia esula Dean W. Taylor 1999-8-12 17298 Siskiyou Mill Creek, Quartz Valley about 1 mile SSW Mugginsville, along Mill Creek logging road 0.5 miles up from bridge crossing 972 Comment
  UCR9594  Euphorbia esula D. O. Clark 1970-6-23 s.n. Siskiyou 2.5 mi. NW of Dorris, on E side of Mathews Road, 1.5 mi. north of Picards Road. Comment
  OBI4695  Euphorbia esula T. C. Fuller 1969-7-1 18619 Siskiyou SE of Flying K Ranch, Quartz Valley, S of Mugginsville Comment
  CDA35309  Euphorbia spathulata J. M. DiTomaso 2002-5-17 s.n. Siskiyou 8 miles northeast of Montague. On York Road, 300 meters east of intersection with Mulloy Road. 0 Comment
  CAS-BOT-BC310629  Eurybia radulina L. E. Smith 1913-7-24 486 Siskiyou McCloud Comment
  CAS-BOT-BC310630  Eurybia radulina L. E. Smith 1912-7-1 s.n. Siskiyou McCloud Comment
  JEPS83582  Eurybia radulina Dean Wm. Taylor and Glenn L. Clifton 1987-8-5 9225 Siskiyou forest road 36N06 at crossing of Tate Creek; McCloud River drainage (headwaters) 1484 Comment
  UC163873  Euthamia occidentalis Geo. D. Butler 1908-9-25 500 Siskiyou near Montague; Shasta River Comment
  JEPS24018  Euthamia occidentalis Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6879 Siskiyou 2 mi w Seiad Valley; Klamath River, Portuguese Creek 396 Comment
  CDA28208  Festuca elmeri William J. Ferlatte 1987-5-2 Siskiyou Highway 3 0.9 mile north of Scott Mountain Summit, south of Callahan 0 Comment
  CAS-BOT-BC278736  Festuca idahoensis Elmer I. Applegate 1935-6-10 9464 Siskiyou Indian Well, Lava Beds National Monument Comment
  LA13154  Festuca idahoensis C. L. Hitchcock; J. S. Martin 1939-7-9 5321 Siskiyou Marble Mountains, 0.5 mi SE of King's Castle 1828 Comment
  UC1024797  Festuca idahoensis Leo Whitney 1934-6-29 2226 Siskiyou near Tennant; Antelope Creek 1463 Comment
  HSC13  Festuca occidentalis William J. Ferlatte 1966-6-22 108 Siskiyou 3 mi. S of Big Flat 1585 Comment
  HSC24695  Festuca occidentalis J. O. Sawyer 1969-6-12 912 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  POM198352  Festuca occidentalis Geo D. Butler 1910-7-12 1752 Siskiyou Shackleford Creek. 1220 Comment
  JEPS69255  Festuca pratensis Geo. D. Butler 1909-6-28 851 Siskiyou near Yreka Comment
  UCD66288  Festuca roemeri Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou Northeast face of Marble Mountain, Marble Mountains. 2225 Comment
  UC869460  Floerkea proserpinacoides Louis C. Wheeler 1935-6-27 3596 Siskiyou Marble Mountains, Etna Creek Etna Creek; Marble Mountains, Etna Creek 1524 Comment
  UC618840  Fragaria vesca unknown 1938-6-24 11079 Siskiyou MacBride Springs; Mount Shasta Comment
  HSC59619  Fragaria vesca J. P. Smith, Steve Selva 1970-6-16 4007 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  SBBG2922  Fragaria virginiana H. and M. Dearing 1938-6-28 2183 Siskiyou side of Mt Shasta rd to Wagon Camp 1524 Comment
  UCD77728  Fragaria virginiana Robert E. Preston 2002-6-21 1865 Siskiyou Klamath National Forest, Rainbow Mountain, S slope, N of Trout Creek 1644 Comment
  UC166619  Fragaria virginiana subsp. platypetala Geo. D. Butler 1910-5-10 1315 Siskiyou Goosenest foothills; Goosenest 1524 Comment
  HSC36608  Frangula purshiana Brent Whiteley 1975-6-24 50 Siskiyou 235 Comment
  CAS-BOT-BC59987  Frangula purshiana W. R. Dudley 1899-7-6 s.n. Siskiyou Big Meadow Trail. Comment
  SBBG27245  Frangula rubra subsp. obtusissima D. K. Kildale 1929-6-22 8032 Siskiyou base of Black Butte, Mt Shasta Comment
  CAS-BOT-BC5528  Frasera albicaulis var. nitida Alice Eastwood 1921-7-24 10711 Siskiyou Castle Lake Comment
  SEINET10847556  Fraxinus dipetala Andrew Townesmith, Karen M. Meyer 2007-8-3 Townesmith 894 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along state route 96, 5.2 miles west of National Forest boundary. Vicinity of Cayuse Day Use Area. T46N R7W, near boundary between sections 7 and 8. 576 Comment
  RSA166000  Fraxinus latifolia M. A. Piehl 1956-8-14 s.n. Siskiyou Along Indian Creek near old jade mine, vicinity of Happy Camp Comment
  UC1174947  Fraxinus latifolia P. C. Everett and E. K. Balls 1959-10-24 23948 Siskiyou 3.3 mi nw from Forks along Salmon River (Sawyers Bar To Somesbar) 365 Comment
  HSC36928  Fritillaria atropurpurea J. P. Smith 1974-5-26 7558 Siskiyou Along FS Rd. 47N03 1524 Comment
  UC13828  Fritillaria atropurpurea Harley P. Chandler June, 1901 1592 Siskiyou near Marble Mountain (North Coast Ranges); North Coast Ranges 1981 Comment
  CAS-BOT-BC502833  Fritillaria atropurpurea Mrs. Eric Anderson 1923-4-19 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC502838  Fritillaria atropurpurea Wm. F. Herrin 1922-5-1 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC502843  Fritillaria atropurpurea Harley P. Chandler 1901-6-1 1592 Siskiyou Ridges and meadows near Marble Mountain 1981 Comment
  LA97840  Fritillaria atropurpurea J. M. Tucker; L. K. Mann 1963-7-7 3721 Siskiyou Paradise Lake, Marble Mountain Wilderness Area, ca. 0.25 mi. down the trail (N of) from the lake at the base of Kings Castle on the E side 1981 Comment
  HSC40207  Fritillaria pudica J. P. Smith 1976-5-21 8756 Siskiyou Along FS Rd. 40N08, 1 mi. from its junction with Hwy. 3, Klamath National Forest 1646 Comment
  SEINET12045024  Fritillaria pudica L. C. Wheeler 1935-1 3379 Siskiyou Cottonwood Creek, Siskiyou Mts 945 Comment
  CHSC3219  Fritillaria recurva Gerry Carrauthers 1966-5-13 163 Siskiyou 6 mi. from Gazelle on Gazelle Mountain. 1219 Comment
  UC166189  Fritillaria recurva Geo. D. Butler 1910-4-17 1191 Siskiyou near Yreka Comment
  UCD132354  Gaillardia aristata T. C. Fuller; G. D. Barbe 1972-6-14 947 Siskiyou in pasture north of Weed, ca. 1 mile north of US 97 on Hoy Road. 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
  UC618908  Galium bifolium W. Bridge Cooke 1938-7-1 11146 Siskiyou below Wagon Camp (near creeks); Mount Shasta Comment
  JEPS25705  Galium bolanderi P. C. Hutchison 1961-5-22 2039 Siskiyou on Hwy 299 2.7 mi n Clear Creek (w side of river 5.7 mi s of Happy Camp); Klamath River Comment
  SBBG18757  Galium bolanderi C. B. Hardham 1961-7-2 8051 Siskiyou Scott River near Mill Crk 1219 Comment
  UC585122  Galium bolanderi E. B. Babcock and G. L. Stebbins Jr. 1936-6-13 1989 Siskiyou e and ne slope of spur of ridge above Sulloway Creek (about 1 1/2 mi w); Rainbow Ridge 1180 Comment
  HSC90538  Galium glabrescens subsp. glabrescens Jennifer Whipple 1977-7-20 2001 Siskiyou Mt. Eddy, N slopes 2317 Comment
  CAS-BOT-BC94860  Galium glabrescens subsp. glabrescens R. C. Wenk 2005-7-20 352 Siskiyou National Forest Road 17, 1 mile down road to the north heading toward Mt. Shasta 2029 Comment
  CAS-BOT-BC223195  Galium serpenticum subsp. scotticum Alice Eastwood; John Thomas Howell 1937-6-25 5021 Siskiyou Scott Mts. south of Callahan Comment
  JEPS83624  Galium serpenticum subsp. scotticum Marla Knight 1987-7-16 940 Siskiyou e FS Rd. 40N03 (on s side of creek, slope facing nw at creek crossing); Klamath National Forest, Scott River District, China Mtn. SW 1188 Comment
  HSC61157  Galium triflorum Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  UC1409413  Galium triflorum Frederick W. Oettinger 1968-8-7 436 Siskiyou e side Diamond Lake; Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  HSC36708  Garrya fremontii Brent Whitely 1975-7-5 141 Siskiyou 213 Comment
  RSA238747  Garrya fremontii Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1199 Siskiyou South east facing slope by 'Willow Springs' along the trail between Abbotts Upper Cabin and English Lake; Salmon Mountains, Marble Mountain Wilderness Area. 1677 Comment
  HSC45183  Gaultheria ovatifolia J. O. Sawyer, E. Cope 1977-6-18 2936 Siskiyou Along Clear Creek Trail between Bear Pen Creek and West Fork. 671 Comment
  RSA262517  Gaultheria ovatifolia J. M. Tucker, D. V. Hemphill, A. O. Tucker 1974-7-27 4301 Siskiyou South side of Monument Lake, Marble Mountain Wilderness Area. 1799 Comment
  HSC92089  Gayophytum diffusum subsp. parviflorum Jennifer Whipple 1976-9-4 1788 Siskiyou Near Durney Lake 2073 Comment
  POM211844  Gayophytum diffusum subsp. parviflorum C. G. Pringle 1881-8-17 s.n. Siskiyou Mount Shasta 2439 Comment
  POM38543  Gayophytum diffusum subsp. parviflorum Geo. D. Butler 1908-8-8 163 Siskiyou Near lake at head of West Fork of Woolly Creek Comment
  RSA34393  Gayophytum diffusum subsp. parviflorum W. Bridge Cooke 1947-8-9 17791 Siskiyou Around Horse Camp, Mount Shasta. 2439 Comment
  RSA34680  Gayophytum diffusum subsp. parviflorum W. Bridge Cooke, V. G. Cooke 1946-9-2 17645 Siskiyou At Horse Camp, Mount Shasta 2439 Comment
  JEPS93875  Gayophytum heterozygum Vernon H. Oswald and Lowell Ahart 1998-7-21 9316 Siskiyou 2.2 mi ne of Lake Shastina-Big Springs Road ne of Weed (Shasta National Forest plantation on the w side of Highway 97); Shasta National Forest, Highway 97 975 Comment
  UC20280  Gayophytum heterozygum F. W. Morse July 1886 Siskiyou Shasta Comment
  HSC19496  Gayophytum humile J. O. Sawyer 1969-8-1 1648 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  RSA264967  Gayophytum racemosum Gilbert Muth 1975-7-30 7189 Siskiyou Near Lily Pad Lake near Seiad Valley. 1585 Comment
  HSC29222  Gentiana calycosa Frederick W. Oettinger 1969-8-1 1132 Siskiyou Marble Mtn. Wilderness Area, SE side of Wire Grass Meadow and bordering on English Lake outlet brook. 1677 Comment
  NY297626  Gentiana copelandii A. Eastwood 1912-8-30 2037 Siskiyou Mount Eddy Comment
  SEINET8586142  Gentiana plurisetosa G. D. Butler 1910-7-9 1709 Siskiyou Shackleford Creek. 1220 Comment
  UC1608326  Gentianella amarella subsp. acuta J. Kierstead 1990-8-9 90 130 B Siskiyou s side Mt. Eddy (Fawn Creek meadow, beyond end of FS Rd 40N42); Shasta-Trinity National Forests, Mt. Shasta Ranger District 1828 Comment
  HSC77007  Geranium richardsonii K. T. Stillman 1976-6-25 81 Siskiyou Marble Mtn. Wilderness Area, N side of Elk Valley. 1799 Comment
  UC60893  Geum macrophyllum W. A. Setchell, C. C. Dobie 1902-7-17 Siskiyou Mount Shasta, Sisson Sisson; Mount Shasta, Sisson Comment
  CAS-BOT-BC143594  Geum triflorum Elmer I. Applegate 1935-6-8 9431 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  HSC75190  Geum triflorum K. T. Stillman 1976-6-26 111 Siskiyou Marble Mountain Wilderness Area 2073 Comment
  HSC36805  Gilia capitata J. P. Smith 1974-5-27 7632 Siskiyou Along FS Rd. 47N03 1280 Comment
  HSC22305  Glyceria elata J. O. Sawyer 1969-8-5 1958 Siskiyou Above the S Fork of Sugar Creek 1814 Comment
  HSC26621  Glyceria elata J. P. Smith, Steve Selva 1970-6-15 3916 Siskiyou 10 mi. NW of Forks of Salmon Comment
  HSC26904  Glyceria striata J. P. Smith, J. O. Sawyer 1971-9-17 4784 Siskiyou On trail up to Little Duck lake 1829 Comment
  HSC31080  Glyceria striata Frederick W. Oettinger, R. F. Thorne 1969-8-6 1234 Siskiyou Marble Mtn. Wilderness Area, rocky N slope on S side of Pine Lake 1951 Comment
  UCD85212  Glyceria striata R. Tofsrud 1950-7-1 s.n. Siskiyou E side of Mt. Shasta. Comment
  UC1045212  Glycyrrhiza lepidota W. Bridge Cooke 1940-6-20 15162 Siskiyou Klamath River Gorge; along Pacific Hwy 609 Comment
  CHSC29309  Gnaphalium palustre J. D. Prouty; A. W. Ratcliff 1979-8-2 79 .93 Siskiyou Vernal pool, roadside, Hwy. 49, ca. 20 mi ne of jct. with Hwy. 89. 1645 Comment
  RSA237523  Gnaphalium palustre Frederick W. Oettinger 1968-9-5 722 Siskiyou Southeast side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  UC4514  Goodyera oblongifolia unknown 1862-9-16 1404 Siskiyou Mount Shasta 1219 Comment
  HSC97385  Goodyera oblongifolia A. Montalvo, J. D. Ackerman 1974-8-16 418 Siskiyou Clear Creek Trail, 0.5 mi. S of Cracker Meadows, Youngs Valley near Preston Peak, Siskiyou Mtns. 1220 Comment
  RSA381795  Goodyera oblongifolia Louis C. Wheeler 1934-8-14 3118 Siskiyou Johnson Dairy; Siskiyou Mountains. Mt. Diablo Mer. 1829 Comment
  HSC24600  Grayia spinosa R. C. Wunner 1965-6-13 158 Siskiyou Lava Beds National Monument, Petroglyph Section, S face 1220 Comment
  RSA749204  Grindelia camporum var. camporum K. M. Meyer, A. Townesmith 2007-7-27 165 Siskiyou Shasta-Trinity National forest. 0.1 mi. on Forest Service Rd. 43N21, 12.5 mi on Hwy. 97, east side of road 1218 Comment
  HSC23596  Hackelia bella J. O. Sawyer 1969-7-18 1437 Siskiyou 1951 Comment
  UC206128  Hackelia californica Milo S. Baker Aug. 1893 Siskiyou Medicine Lake Comment
  UCD119376  Hackelia californica K. M. Meyer; A. Townesmith 2007-7-29 170 Siskiyou Shasta-Trinity National Forest. 0.3 mi. on 40N25 Rd., off Siskiyou County Rd., A10/Everitt Memorial Hwy. 1805 Comment
  UCD77746  Hackelia californica Robert E. Preston 2001-6-23 1600 a Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 2011 Comment
  UC1713303  Hackelia micrantha Milo S. Baker 1893-8-9 Siskiyou Medicine Lake Comment
  HSC44849  Hastingsia alba J. P. Smith, Steve Selva 1970-6-15 3988 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  RSA68941  Hastingsia alba A. E. Culbertson 1943-7-6 17 Siskiyou Castle Lake, 5434, in a north facing cirque with an abrupt 1000 backwall; 14 miles s.w. of Mt. Shasta on N side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 air miles of its headwaters to the west 1657 Comment
  UC3686  Hastingsia alba C. B. Bradley 1879-1 Siskiyou Comment
  CAS-BOT-BC302450  Hazardia whitneyi var. discoidea Gilbert Muth 1965-8-4 310 Siskiyou Marble Valley Comment
  HSC29098  Hazardia whitneyi var. discoidea Frederick W. Oettinger 1967-8-17 276 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; Crapo Ridge where the trail crosses it. 2195 Comment
  HSC67895  Hazardia whitneyi var. discoidea J. P. Smith, J. O. Sawyer 1973-8-14 7322 Siskiyou West of Cliff Lake 2012 Comment
  HSC33328  Hazardia whitneyi var. discoidea William J. Ferlatte 1974-7-25 1589 Siskiyou Grouse Ridge on Trinity Co. line, just S of summit of Preachers Peak. 2165 Comment
  CDA6451  Helenium autumnale T. C. Fuller 1958-8-13 1234 -58 Siskiyou 10 miles south of Fort Jones, Scott Valley. 0 Comment
  CHSC71564  Helenium bigelovii Vernon H. Oswald; Lowell Ahart 1998-8-3 9414 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 41N10. Roadside. 1554 Comment
  JEPS107102  Helianthella californica subsp. shastensis Barbara Ertter 1990-7-14 9324 Siskiyou Wagon Creek on e side of Mount Eddy, ca 4 air mi w of Mount Shasta City 1950 Comment
  JEPS109775  Helianthus exilis Dean W. Taylor 2002-7-27 18280 Siskiyou Highway 3 2.3 miles North of Scott Mountain Summit 1386 Comment
  CAS-BOT-BC313450  Hemizonella minima Louis C. Wheeler 1934-6-1 2601 Siskiyou Dry Lake Lookout, Siskiyou Mts. 2057 Comment
  CAS-BOT-BC313469  Hemizonella minima Alice Eastwood 1923-5-22 11901 Siskiyou Sisson Comment
  HSC5989  Hemizonella minima D. M. Thomson 1965-6-19 99 Siskiyou Lava Beds National Monument, Merril Ice Cave by side of trail Comment
  HSC34116  Heracleum maximum J. O. Sawyer 1969-8-18 1990 Siskiyou S Sugar Lake Creek 1829 Comment
  HSC91112  Heracleum maximum Jennifer Whipple 1976-7-24 1538 Siskiyou Dale Creek drainage on the N face of Mount Eddy 2195 Comment
  UC853277  Herniaria hirsuta subsp. hirsuta Louis C. Wheeler 1935-6-15 3588 Siskiyou 3 mi s Greenview (Scott Valley); Scott Valley 883 Comment
  UC1005597  Hesperochiron pumilus Frank W. Gould 1940-5-15 1237 Siskiyou Goosenest Mt. near Bull Meadows; Goosenest Mt. 1524 Comment
  UC17265  Hesperolinon micranthum M. K. Curran July 1887 Siskiyou Sissons Comment
  CAS-BOT-BC311090  Heterotheca oregona var. rudis Geo. D. Butler 1909-10-3 976 Siskiyou Near Yreka Comment
  CAS-BOT-BC312298  Heterotheca villosa var. minor Gilbert Muth 1965-8-4 s.n. Siskiyou Near the marble, Marble Valley Comment
  UCD77769  Heuchera cylindrica Robert E. Preston 2001-6-30 1650 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W nw 1/4 of se 1/4 Section 14 1889 Comment
  CAS-BOT-BC420735  Heuchera merriamii Gilbert Muth 1966-1-1 308 Siskiyou Marble Mts. Comment
  HSC77088  Heuchera merriamii K. T. Stillman 1976-8-7 361 Siskiyou Marble Mtn. Wilderness Area, trail to Marble Valley Guard Station Comment
  UC165927  Heuchera micrantha var. macropetala Geo. D. Butler 1908-7-4 216 Siskiyou near mouth Shasta River Comment
  CAS-BOT-BC312306  Hieracium Wm. Bridge Cooke 1939-8-25 13919 Siskiyou Above MacBride Springs, Mount Shasta 1676 Comment
  CAS-BOT-BC319678  Hieracium albiflorum Geo. D. Butler 1910-6-5 1483 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC319679  Hieracium albiflorum A. A. Heller 1915-7-18 12122 Siskiyou Metcalf's Ranch northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC319682  Hieracium albiflorum A. A. Heller 1915-8-26 12229 Siskiyou North side of Mt. Eddy 2133 Comment
  CAS-BOT-BC319700  Hieracium albiflorum John Thomas Howell 1939-8-6 15102 Siskiyou Elk Mt., Marble Mts. Comment
  HSC69326  Hieracium albiflorum John Palmer 1980-8-12 736 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  HSC73226  Hieracium albiflorum Gail Newton 1980-6-20 513 Siskiyou Near Bald Mtn. 1097 Comment
  POM259365  Hieracium albiflorum J. T. Howell 1939-8-2 14895 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  RSA237531  Hieracium gracile Frederick W. Oettinger, R. F. Thorne 1969-8-4 1163 Siskiyou Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC61786  Hieracium greenei Ruby Van Deventer Siskiyou Poker Flat 1585 Comment
  RSA184623  Hieracium greenei Clare B. Hardham 1965-8-20 1304 Siskiyou Marble Mountains, near Cudahy lakes. Granite Trail. 1524 Comment
  UC1408928  Hieracium greenei Frederick W. Oettinger 1969-9-5 1685 Siskiyou next basin e of Salamander Lake Basin; Abbot's Lake 1798 Comment
  HSC101868  Hieracium horridum R. D. Whittlesey 2013-6-5 6 Siskiyou Near Castella: 3.1 mi. north from State Park entrance up Castle Dome Trail. 1646 Comment
  HSC69195  Hieracium horridum Maralyn A. Renner 1980-9-1 2692 Siskiyou Bear Mtn. 1936 Comment
  UC1190107  Hieracium nudicaule Ira L. Wiggins 1955-7-27 13522 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  HSC143  Hieracium scouleri William J. Ferlatte 1966-8-3 275 Siskiyou Josephine Lake Basin 1677 Comment
  JEPS94997  Hieracium scouleri Vernon Oswald and Lowell Ahart 1997-7-28 8777 Siskiyou Forest Route 56. 3.7 mi east of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave. Comment
  OBI55426  Hieracium scouleri David J. Keil 1992-7-20 23485 Siskiyou Klamath NF, W of Fort Jones .Along forest rd 44N45, 1.4 mi S of Scott river rd, 0.1 mi S of Boulder Crk trl head 1000 Comment
  CDA30919  Hirschfeldia incana M. Beyers, G. F. Hrusa 2010-8-18 703 Siskiyou Highway 96; Sluice Box Klamath River Access. 556 Comment
  CAS-BOT-BC280779  Holcus lanatus W. B. Cooke; V. G. Cooke 1963-7-12 34340 Siskiyou Memorial Highway, Mt. Shasta Comment
  CAS-BOT-BC280782  Holcus lanatus Dorothy Parker 1948-7-18 79 Siskiyou In Plowman's Valley, East Fork of Scott River 1188 Comment
  HSC40468  Holodiscus discolor J. O. Sawyer 1973-7-18 2554 Siskiyou 1524 Comment
  RSA237614  Holodiscus discolor Frederick W. Oettinger 1967-8-10 244 Siskiyou Cliffs south of of Tobacco Lake basin. meadows, 1/8 mile southeast of Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  UC1409360  Holodiscus discolor Frederick W. Oettinger 1969-8-19 1448 Siskiyou Ridge from Arrow Peak to King David Peak (High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  CAS-BOT-BC152378  Holodiscus discolor var. discolor Doris K. Kildale 1929-8-24 9071 Siskiyou Rattlesnake Meadow, near Preston Peak 1524 Comment
  CAS-BOT-BC152373  Holodiscus discolor var. discolor W. R. Dudley 1901-8-24 s.n. Siskiyou Head of Coffee Creek, Salmon Mts. Comment
  CHSC1555  Holodiscus microphyllus var. glabrescens 1936-7-14 Siskiyou Black Butte. 1219 Comment
  HSC63677  Holodiscus microphyllus var. glabrescens Richard Spjut, Emelia Russell 1979-8-28 5511 Siskiyou W slope of Mt. Shasta, base of rocky cliffs and ridges 2744 Comment
  SEINET515852  Holodiscus microphyllus var. glabrescens Vernon Oswald 1997-7-28 8773 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi. S of Medicine Lake. 1366 Comment
  RSA14321  Hordeum brachyantherum Elmer I. Applegate 1923-8-17 3834 Siskiyou Medicine Lake. Comment
  UCR142756  Hordeum brachyantherum L. C. Wheeler 1934-8-14 3133 Siskiyou Siskiyou Mtns, North side of White Mountain 1768 Comment
  JEPS80525  Hordeum brachyantherum subsp. brachyantherum Gilbert Muth 1966-7-17 410 Siskiyou Marble Mountain Wilderness Area near Lookout; Marble Mountain Wilderness Area 2057 Comment
  HSC10183  Hordeum jubatum R. C. Wunner 1965-8-14 417 Siskiyou Lava Beds National Monument. Near tip of Hovey Pt. 1220 Comment
  POM208203  Hordeum murinum subsp. glaucum L. C. Wheeler 1934-6-16 2721 Siskiyou Ditch Creek, near Hornbrook; Siskiyou Mts., Mt. Diablo Mer. 823 Comment
  SBBG72488  Horkelia daucifolia A. A. Heller 1927-5-14 14384 Siskiyou near Gazelle, Shasta Valley Comment
  UC195274  Horkelia daucifolia Annie M. Alexander and Louise Kellogg 1911-6-4 109 Siskiyou Mayten Comment
  UC555626  Horkelia daucifolia H. L. Mason 1931-5-9 5870 Siskiyou 3 mi s Weed Comment
  CAS-BOT-BC143950  Horkelia daucifolia A. A. Heller 1922-6-22 13668 Siskiyou About 5 miles south of Yreka Comment
  CAS-BOT-BC143968  Horkelia daucifolia John Thomas Howell 1980-4-30 53448 Siskiyou Yreka 792 Comment
  POM195783  Horkelia fusca subsp. parviflora A. A. Heller 1927-8-1 14435 Siskiyou S side of Mt. Shasta, near Shasta City (Sisson). Comment
  CAS-BOT-BC536222  Horkelia fusca var. parviflora Alice Eastwood 1921-7-29 10981 Siskiyou Bear Spring on raod to Medicine Lake Comment
  JEPS88752  Horkelia tridentata subsp. tridentata Dean W. Taylor 1993-5-26 13521 Siskiyou ca 400 m e Forest Road 40N04 and right-of-way PG&E natural gas pipeline (1 mi nw Timbered Crater, on border of narrow meadows along unnamed creek tributary to Abode Flat); Modoc Plateau, nw Timbered Crater 1120 Comment
  HSC26211  Horkelia tridentata var. flavescens J. P. Smith, J. O. Sawyer 1972-5-27 5348 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  UCD106083  Hosackia crassifolia R. Tofsrud; J. M. Tucker 1948-8-2 1754 Siskiyou Open Yellow Pine woods, outskirts of McCloud. Comment
  HSC68310  Hosackia oblongifolia var. oblongifolia Maralyn A. Renner 1980-7-4 1424 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  JEPS16952  Hulsea nana Peter H. Raven 1956-9-4 10425 Siskiyou summit Mount Eddy 2758 Comment
  UC90396  Hulsea nana J. D. Hooker and A. Gray 1877-1 Siskiyou Shasta Comment
  POM54129  Hulsea nana E. B. Copeland 1903-8-16 3832 Siskiyou Mount Shasta 3201 Comment
  JEPS80499  Hydrophyllum occidentale Gilbert Muth 1966-7-8 361 Siskiyou Marble Valley Meadow; Marble Mt. Wilderness Area 1792 Comment
  JEPS82678  Hydrophyllum occidentale Wayne Roderick 1984-6-5 Siskiyou ca 12 air km sw Mt. Shasta City; Castle Lake 1828 Comment
  HSC62600  Hydrophyllum occidentale Al Hobart 1968-6-26 Siskiyou Youngs Valley Comment
  UC89971  Hymenoxys lemmonii Katharine Brandegee 1887-7-1 Siskiyou Montague Comment
  HSC93047  Hypericum anagalloides Jennifer Whipple 1976-7-23 1526 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC99604  Hypericum anagalloides Gail Newton 1980-6-20 443 Siskiyou Near Bald Mtn. 1097 Comment
  UC1216705  Hypericum perforatum W. B. and V. G. Cooke 1962-8-19 33549 Siskiyou near Memorial Hwy. Mt. Shasta Comment
  CAS-BOT-BC94922  Ipomopsis aggregata R. C. Wenk 2008-7-23 905 Siskiyou SW side of Mount Shasta, trail from Bunny Flat to Sierra Club Cabin above Avalanche Gulch 2316 Comment
  HSC45996  Ipomopsis aggregata J. P. Smith, Steve Selva 1970-7-27 4518 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  HSC76886  Ipomopsis aggregata K. T. Stillman 1976-6-27 146 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  UC195395  Ipomopsis aggregata A. A. Heller 1914-8-26 11720 Siskiyou Weed 1066 Comment
  UC455676  Ipomopsis aggregata I. J. Condit 1911-7-15 Siskiyou McCloud; Toll Rd to Shasta Springs Comment
  RSA31649  Ipomopsis aggregata subsp. formosissima A. A. Heller 1938-7-12 15250 Siskiyou Occasional plants along U.S. Highway #97 in gravelly soil 5 miles north of Weed. 1067 Comment
  JEPS80535  Ipomopsis congesta Gilbert Muth 1965-7-28 312 Siskiyou ridge near Marble Mt. Lookout Marble Mt. Wilderness Area 2103 Comment
  UC23469  Ipomopsis congesta Harley P. Chandler 1901-6-1 1666 Siskiyou Marble Mtn North Coast Ranges 2438 Comment
  JEPS116877  Ipomopsis congesta David Gowen 2007-7-11 778 Siskiyou Southeast of Lake Shastina and Hwy 97 on forest service road 42N15. Near rocky area on side trail, midway between railroad tracks and pumice mine. Comment
  SEINET4898742  Iris chrysophylla J. Seely s.n. Siskiyou Klamath National Forest Comment
  JEPS47363  Isatis tinctoria L. R. Heckard 1966-6-20 1528 Siskiyou Mount Shasta (town), near Chandon's motel Mount Shasta 1097 Comment
  SDSU2432  Isatis tinctoria D. F. Howe 1977-7-2 4983 Siskiyou 7 miles west of Fort Jones on Scott River road. 671 Comment
  UCR47638  Isatis tinctoria Don Pendleton 1986-6-26 s.n. Siskiyou N of Yreka along Interstate 5 Comment
  UC166110  Isatis tinctoria Geo. D. Butler 1910-6-7 1534 Siskiyou Scott River Comment
  RSA264994  Isoetes occidentalis Gilbert Muth 1975-7-30 s.n. Siskiyou Near Lily Pad Lake near Seiad Valley. 1585 Comment
  UC1745893  Isoetes occidentalis Annetta M. Carter, Eder Lindsay 1939-8-20 1463 Siskiyou NW side of Taylor Lake. 2026 Comment
  JEPS66905  Juncus balticus Geo. D. Butler 1910-5-1 1254 Siskiyou near Yreka Comment
  RSA22086  Juncus confusus J. T. Howell 1939-8-3 15005 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  HSC30686  Juncus drummondii Frederick W. Oettinger 1968-9-8 781 Siskiyou Marble Mtn. Wilderness Area, near outlet of stream of English Lake 1753 Comment
  UC1618216  Juncus ensifolius Barbara Ertter 1990-7-14 9319 Siskiyou e side of mt. ca 4 air mi due w Mt. Shasta City (at streamlet near end of FR 41N53 ca 1 mi n of Morgan Meadows); Mt. Eddy 1676 Comment
  HSC30697  Juncus ensifolius Frederick W. Oettinger 1968-9-6 743 Siskiyou Bear Meadow, midway between English Peak and Tom Taylor Cabin at head of Snowslide Gulch 1997 Comment
  HSC60811  Juncus ensifolius Ruby Van Deventer 1962-8-15 Siskiyou Bell Echo Camp in Youngs Valley 1372 Comment
  CAS-BOT-BC127625  Juncus mertensianus Alice Eastwood 1921-7-25 10831 Siskiyou Bigelows, McCloud River. Comment
  CHSC70199  Juncus mertensianus Jennifer Whipple 1976-7-2 1247 Siskiyou Mount Eddy, Klamath Mountains. Near Durney Lake. Along stream draining Durney Lake. 2133 Comment
  HSC61161  Juncus mertensianus Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  HSC69348  Juncus mertensianus Maralyn A. Renner 1980-8-21 2588 Siskiyou Kidd Creek 2043 Comment
  CAS-BOT-BC127622  Juncus mertensianus Jennifer Whipple 1976-7-8 1335 Siskiyou North slopes of Mount Eddy. Klamath Mountains. 2438 Comment
  JEPS88728  Juncus nevadensis B. C. Goldsmith 1916-9-29 35 a Siskiyou Medicine Lake Comment
  JEPS91255  Juncus orthophyllus Dean Wm. Taylor with Rexford E. Palmer 1988-6-23 9871 Siskiyou ca. 4 miles N of Timbered Crater, ca. 1 mile SE of Abobe Flat 1097 Comment
  RSA238913  Juncus orthophyllus Frederick W. Oettinger 1968-9-6 741 Siskiyou At Bear Meadow mid-way along a straight line between English Peak and Tom Taylor cabin, at the head of Snowslide Gulch. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  UC1190203  Juncus tenuis Ira L. Wiggins 1955-7-21 13429 Siskiyou 7 mi above Cecilville (near Mt. View Ranch); South Fork of Salmon River 975 Comment
  CHSC71510  Juncus tiehmii Vernon H. Oswald; Lowell Ahart 1998-7-21 9362 Siskiyou Northeast of Weed, east of Grass Lake, and west of Bray on Old State Highway 0.8 mi east of Tennant Rd. 1417 Comment
  CAS-BOT-BC80907  Juniperus Doris K. Kildale; J. W. Gillespie 1929-6-23 8039 Siskiyou Shasta River near Yreka 762 Comment
  SD51279  Juniperus californica Darley F. Howe 1961-8-3 Siskiyou 56.5 miles west of Happy Camp on Highway #96 609 Comment
  UCD133788  Juniperus occidentalis Jo Ann Olson; Gary R. Robbins 1969-2-15 7 Siskiyou Near U.S. Highway 97 in vicinity of Whitney Creek, north side of Mt. Shasta. 1127 Comment
  SEINET10531160  Juniperus occidentalis Jeffrey Huber 1971-6-9 Huber 268 Siskiyou 3 mi N of Weed, on US Hwy 97; S facing 20.00 slope; roadside; in Pinus ponderosa, and P. jeffreyi, and Artemisia tridentata and Purshia. 1128 Comment
  RSA649266  Juniperus occidentalis var. occidentalis David J. Keil 1983-7-3 17378 Siskiyou 11 miles NE of junction with SR 3 along Gazelle - Callahan Road Comment
  POM120190  Juniperus occidentalis var. occidentalis Geo D. Butler 1909-12-10 1102 Siskiyou Klamath hills Comment
  POM120195  Juniperus occidentalis var. occidentalis Geo D. Butler 1909-12-10 1108 Siskiyou Klamath hills Comment
  SEINET7269996  Kalmia microphylla subsp. microphylla W. Roderick 1967-7-28 s.n. Siskiyou Panther Meadow, Mt. Shasta 2377 Comment
  HSC71257  Keckiella corymbosa J. P. Smith, Steve Selva 1970-6-15 3925 Siskiyou 10 mi. NW of Forks of Salmon Comment
  RSA537375  Keckiella corymbosa Walter Wisura, J. Romero 1991-10-18 4598 Siskiyou Salmon River, 3.4 mi E of Sommes Bar, on exposed rock face. Comment
  RSA238771  Keckiella lemmonii Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1211 Siskiyou Hot area on English Lake Trail above Willow Spring. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1707 Comment
  CHSC9488  Kelloggia galioides J. F. Goodwin 1971-7-3 138 Siskiyou 7.7 mi south of Mt. Shasta Ski Bowl area. 1584 Comment
  JEPS12477  Kelloggia galioides W. L. Jepson 1907-7-10 2875 Siskiyou near Putnam Peak (w Siskiyou County); Klamath Range Comment
  SEINET10500753  Kelloggia galioides Mary Merello 1993-6-25 Merello 725 Siskiyou Shasta National Forest. At end of Forest Service Road 39N 28, road to Lower Falls and Fowlers Campground. Open conifer woodlands. Disturbed. Along McCloud River. 970 Comment
  UC1037107  Koeleria macrantha Leo Whitney 1934-6-29 2293 Siskiyou Tennant 1524 Comment
  JEPS84219  Kopsiopsis strobilacea L. R. Heckard with J. Hickman et al. 1986-7-17 6460 Siskiyou Ridge E of Kangaroo Peak, S of Lily Pad Lake, ca 5 miles N of the town of Seiad Valley. 2020 Comment
  CAS-BOT-BC499656  Kopsiopsis strobilacea Thos. H. Harris 1947-4-30 s.n. Siskiyou Near West Fork Campground north of Happy Camp on Indian Creek road 1219 Comment
  CAS-BOT-BC499661  Kopsiopsis strobilacea Marion Ownbey; Fred G. Meyer 1940-7-7 2220 Siskiyou Summit of Cayenne Ridge, Marble Mountain Comment
  CHSC63597  Lagophylla ramosissima subsp. ramosissima Vernon H. Oswald; Lowell Ahart 1994-8-10 6454 Siskiyou Pilgrim Creek Rd. (FS13) at Mud Creek, 2.7 mi N of Hwy. 89, ca. 4.5 mi (air) NE of McCloud. Roadside. 1097 Comment
  UC375398  Lathyrus nevadensis var. nevadensis Geo. D. Butler 1908-8-10 398 Siskiyou Shackleford Creek Comment
  HSC42920  Leersia oryzoides Ken Stillman 1976-8-31 461 Siskiyou Along the Klamath River at Williams Point. 366 Comment
  CDA16172  Lepidium campestre G. F. Hrusa, T. D. Wilfred 1999-5-31 15071 Siskiyou Klamath Ranges; E side of I-5 at Klamath R. rest area +- 10 mi N of Yreka 640 Comment
  CHSC4184  Lepidium campestre R. Carter 1966-5-15 399 Siskiyou McConnahue Gulch, 4.5 mi. SE of Etna, in driveway of Parker home; along W side of driveway. 914 Comment
  RSA105500  Lepidium campestre G. D. Barbe 1955-6-29 31 Siskiyou 1 mile east of Callahan 976 Comment
  SEINET7042781  Lepidium campestre A. G. Vestal 1955-5-17 s.n. Siskiyou Scott Valley, 0.8 mile north of Etna on route 3. Etna quadrangle UTM Zone 10, 508563mE, 4590750mN. Comment
  CAS-BOT-BC89183  Lepidium draba Geo. D. Butler 1909-5-10 725 Siskiyou Yreka. Comment
  SEINET3148906  Lepidium medium G. D. Butler 1910-6-27 1612 Siskiyou Yreka Creek Comment
  RSA603115  Lepidium montanum var. canescens L. C. Wheeler 1935-6-30 3639 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  HSC32259  Leptosiphon nuttallii J. O. Sawyer 1970-7-4 2328 Siskiyou 1585 Comment
  RSA42333  Lesquerella kingii subsp. diversifolia Lincoln Constance, H. L. Mason 1947-5-17 3199 Siskiyou Summit of NW spur of Scott Mountain. 183 Comment
  UC722121  Lesquerella occidentalis subsp. occidentalis C. L. Hitchcock and J. S. Martin 1939-7-9 5305 Siskiyou n side Black Mt. (near Marble Mt. (King's Castle)); n side of Black Mt. near Marble Mt. (King's Castle) 2072 Comment
  UC1001184  Lesquerella occidentalis subsp. occidentalis Dorothy Parker 1953-5-12 531 Siskiyou w side Scott Valley; Siskiyou Mountains, w side of Scott Valley 1188 Comment
  JEPS20610  Lessingia nemaclada W. L. Jepson 1914-8-14 6168 Siskiyou Dunsmuir 670 Comment
  CAS-BOT-BC341894  Lessingia nemaclada J. O. Sawyer, Jr.; James Payne Smith, Jr. 1971-9-18 4796 Siskiyou State 3 between Callahan and Etna at the turnoff to the Proctor Ranch Comment
  CAS-BOT-BC342103  Leucanthemum vulgare Louis C. Wheeler 1934-8-20 3198 Siskiyou Klamath National Forest. W. Fork Beaver Cr. 1127 Comment
  HSC4874  Leucothoe davisiae J. O. Sawyer 1968-6-18 209 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  POM117377  Lewisia cotyledon Geo. D. Butler 1910-6-5 1527 Siskiyou Log Lake Comment
  HSC99207  Lewisia leeana J. O. Sawyer 1969-6-13 1059 Siskiyou Slope above Little Duck Lake 2134 Comment
  JEPS80491  Lewisia leeana Gilbert Muth 1966-7-14 382 Siskiyou Marble Gap trail on flat above Marble Valley Marble Mt. Wilderness Area 1828 Comment
  UC164246  Lewisia leeana Geo. D. Butler 1910-8-8 1687 Siskiyou Shackleford Creek 1828 Comment
  JEPS17291  Lewisia leeana unknown 1922-5-24 Siskiyou garden of Leonard Joss of Etna Mills Comment
  UC922367  Lewisia nevadensis Annie M. Alexander and Louise Kellogg 1949-7-21 5827 Siskiyou Paradise Lake Marble Mountains 1920 Comment
  CAS-BOT-BC444584  Lewisia triphylla Gilbert Muth 1966-7-14 388 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mts. 1828 Comment
  UC1137018  Leymus cinereus August L. Hormay 1932-7-15 Siskiyou Weed Valley Comment
  CAS-BOT-BC283815  Leymus cinereus A. A. Heller 1905-6-19 s.n. Siskiyou Grenada Station Comment
  UC803925  Leymus triticoides G. L. Stebbins Jr. with P. Dansereau, C. McMillan, and K. Narayan 1949-8-8 4017 Siskiyou 3 mi s Grenada (along RR right of way) 792 Comment
  SEINET10595920  Leymus triticoides Louis C. Wheeler 1935-7-13 Wheeler 3662 Siskiyou Dry silty loam. Ager. 792 Comment
  CDA15521  Ligusticum apiifolium G. F. Hrusa 1998-7-5 14689 Siskiyou Siskiyou Mountains; Bear Creek Rd. +- 1/2 mi. N of Hwy 96 and 10 mi. SW of Happy Camp. Sheet 1 of 2 Comment
  HSC69351  Ligusticum californicum Maralyn A. Renner 1980-8-21 2570 Siskiyou Kidd Creek 2043 Comment
  UC1400380  Ligusticum grayi Frederick W. Oettinger 1968-8-3 381 Siskiyou at Base Camp Meadow Marble Mt. Wild. Area (midway down Diamond Lake-Hancock Lake trail); Salmon Mts., High Lake Basins, English Peak vicinity, Marble 2011 Comment
  HSC96859  Ligusticum grayi Gordon Leppig, J. Cromwell 1997-7-25 587 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake 2200 Comment
  POM82380  Ligusticum grayi Geo. D. Butler 1908-8-7 461 Siskiyou Whiskey Camp, Independence Creek Comment
  CAS-BOT-BC130519  Lilium Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  HSC58944  Lilium kelleyanum Marvin Butler 1971-7-19 148 Siskiyou Near El Capitan 1524 Comment
  CHSC2292  Lilium pardalinum subsp. pardalinum V. Holt 1943-8-7 Siskiyou Marble Mountains. 1828 Comment
  UCD77825  Lilium pardalinum subsp. shastense Robert E. Preston 2001-6-23 1541 Siskiyou Klamath National Forest, n slope of Rainbow Mtn. 1706 Comment
  HSC44604  Lilium pardalinum subsp. vollmeri Laura Witherspoon 1977-7-12 Siskiyou Flint Valley 1341 Comment
  CAS-BOT-BC438792  Lilium pardalinum subsp. wigginsii Dana York; Jim Shevock 2012-7-20 3116 Siskiyou Klamath National Forest, Siskiyou Mountains, 4 km W-SW of Cook and Green Pass, moist slope above Lily Pad Lake. 1780 Comment
  CAS-BOT-BC123093  Lilium wigginsii Lawrence Beane; Albert Michael Vollmer 1954-7-16 1266 Siskiyou Siskiyou Mountains near Oregon border west of Hwy 99 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
  CDA6302  Linaria genistifolia subsp. dalmatica T. C. Fuller 1958-6-19 1798 Siskiyou South of road to Montague, 1.5 miles east of Yreka. 0 Comment
  RSA183706  Linum lewisii Gilbert Muth 1965-8-6 186 Siskiyou Marble Mountains; backside of Black Mountain Comment
  RSA382534  Listera convallarioides M. B. Dunkle 1944-7-4 9068 Siskiyou Beaver Creek, Siskiyou National Forest Comment
  JEPS46620  Lithocarpus densiflorus Rick Hermann Sep 1900 Siskiyou Slate Creek; Upper Sacramento River Comment
  CAS-BOT-BC36528  Lithocarpus densiflorus var. echinoides A. A. Heller 1918-6-16 13035 Siskiyou Mt. eddy, west of Sisson, on open southeastern slope 1524 Comment
  RSA468241  Lithophragma affine subsp. affine M. B. Dunkle 1944-7-1 9057 Siskiyou Smoky Creek. Comment
  CAS-BOT-BC432317  Lithophragma campanulatum J. H. Thomas 1954-5-13 4154 Siskiyou Salmon Mountains, Klamath National Forest, near S Fork of Salmon River, 5 to 9 miles SE of Cecilville, along Rush Creek 1127 Comment
  RSA68852  Lithophragma campanulatum A. E. Culbertson 1943-6-26 104 Siskiyou Castle Lake, 5434 , in a north facing cirque with an abrupt 1000 backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 air miles of its headwaters to the west. Comment
  UC858173  Lithophragma glabrum Frank W. Gould 1940-5-15 1243 Siskiyou on road from Mt. Hebron to Montague Bald Mountain 1676 Comment
  RSA605517  Lithospermum californicum L. C. Wheeler 1959-7-24 7589 Siskiyou Salmon & Marble Mountains Region: Ridge between Crawford Creek Gulch. Comment
  UCR37582  Lomatium californicum L. P. Janeway 1983-7-17 425 Siskiyou Poker Flat 1529 Comment
  HSC39322  Lomatium macrocarpum J. P. Smith 1974-5-26 7387 Siskiyou Along FS Rd. 47N03 1524 Comment
  UC1037451  Lomatium macrocarpum Milo S. Baker 1955-6-25 13070 Siskiyou Hwy. 99 2 mi. s. Gazelle 914 Comment
  POM82362  Lomatium macrocarpum Geo. D. Butler 1910-6-5 1528 Siskiyou Shackleford Creek Comment
  HSC46210  Lomatium nevadense Jennifer Whipple 1976-5-2 901 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  UC106270  Lomatium nudicaule Brandegee July, 1887 Siskiyou Edgewood Comment
  JEPS17002  Lomatium piperi Geo. D. Butler Feb 14 1909-Feb 28 1909 578 Siskiyou Yreka Comment
  HSC42234  Lonicera conjugialis J. D. Mastrogiuseppe 1974-9-2 161 Siskiyou Above Kidd Creek. 1951 Comment
  LA205969  Lonicera conjugialis W. B. C.; 1939-7-7 sn Siskiyou Mount Shasta, between Wagon Camp and Bear Springs 1615 Comment
  HSC65101  Lonicera hispidula var. vacillans J. P. Smith, Steve Selva 1970-6-14 3868 Siskiyou Comment
  RSA138228  Lonicera hispidula var. vacillans P. C. Everett, E. K. Balls 1959-10-24 23943 Siskiyou 3 miles SW from Red Bank F.S. Camp along road from Sawyers Bar to Somes Bar. 518 Comment
  CAS-BOT-BC243925  Lonicera involucrata var. involucrata Volney Rattan 1879-1-1 s.n. Siskiyou Happy Camp Comment
  UC375401  Lotus crassifolius var. crassifolius Geo. D. Butler 1908-8-3 396 Siskiyou Log Lake Shackleford Creek Comment
  UC375404  Lotus humistratus Geo. D. Butler 1909-6-23 911 Siskiyou Goosenest foothills Goosenest Comment
  RSA281673  Lotus oblongifolius S. O. Mattoon 1978-7-23 119 Siskiyou Wright Lakes Trail, 11 air mi. W of Fort Jones, Marble Mts. 1982 Comment
  UC60886  Lotus oblongifolius var. oblongifolius W. A. Setchell, C. C. Dobie 1902-7-17 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC94432  Lotus oblongifolius var. oblongifolius R. C. Wenk 2005-7-18 268 Siskiyou Scott Mountains, border between Trinity and Siskiyou Counties. Growing along Pacific Crest Trail, 1/2 mile E of Hwy 3 1900 Comment
  UC726478  Lotus purshianus var. purshianus A. A. Heller 1919-6-30 13288 Siskiyou near Durney's Mill Comment
  UC75216  Lotus purshianus var. purshianus Copeland 1903-7-6 3495 Siskiyou Hornbrook Comment
  RSA281671  Lotus unifoliolatus S. O. Mattoon 1979-7-10 68 Siskiyou California-Oregon line at Elliott Cr., N. of Rush, Oregon, Siskiyou Mts. Comment
  CAS-BOT-BC140211  Luetkea pectinata Ken Berg; Stephanie Bennett 1986-8-25 639 Siskiyou Salmon-Trinity Alps Wilderness, Headwaters of Little South Fork of Salmon River; above Little S. Fk. Lake 2286 Comment
  CAS-BOT-BC140249  Luetkea pectinata Ira L. Wiggins 1955-7-29 13571 Siskiyou Pass at SW end of Caribou L., Salmon-Trinity Alps Primitive Area 2072 Comment
  RSA13848  Luetkea pectinata Louis C. Wheeler 1934-8-9 3089 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 1982 Comment
  UCD113636  Luetkea pectinata Alfred H. Murphy 1960-8-10 60 G Siskiyou Klamath National Forest, below Black Mtn. 2072 Comment
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Apr 3 2015
  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
  OBI55451  Lupinus David J. Keil 1992-7-20 23508 Siskiyou Klamath Natl Forest, SW of Fort Jones. Along Forest Rd 46N64, 7.4 mi W of Scott river Rd 800 Comment
  SD53402  Lupinus Darley F. Howe 1962-8-6 3400 Siskiyou Mt. Shasta 2438 Comment
  RSA166287  Lupinus adsurgens var. adsurgens Donald Myrick 1961-6-21 303 -A Siskiyou On Deer Camp Road above Oak Knoll Ranger Station on Klamath River 19 miles west of Highway 99. 1372 Comment
  SEINET10452745 Image available Lupinus albicaulis subsp. shastensis A. Arthur Heller 1905-6-13 Heller 8024 Siskiyou Near Shasta Springs. Comment
  UC157024  Lupinus albicaulis var. shastensis Geo. D. Butler 1908-7-20 371 Siskiyou Humbug Creek Comment
  RSA11951  Lupinus albicaulis var. shastensis Elmer I. Applegate 1923-9-7 3853 Siskiyou Doggett Ridge, south slope of the Siskiyou Mountains. Comment
  CAS-BOT-BC195961  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou Fort Jones Comment
  HSC30774  Lupinus albifrons var. flumineus J. P. Smith, J. O. Sawyer 1972-5-28 5374 Siskiyou 1.2 mi. E. of Jackson Creek on Callahan-Cecilville Rd., Klamath National Forest 1341 Comment
  SEINET10484556  Lupinus albifrons var. flumineus Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-2 Conrad 6974 Siskiyou Western yellow pine, libocedrus, douglas fir forest, 6 miles sw of callahan 1524 Comment
  SEINET10484553  Lupinus albifrons var. flumineus David B. Dunn, Billy Joe Cox 1971-6-9 Dunn 17937 Siskiyou 9 miles n of weed, on us hwy 97, at whitney creek. Sw facing slope; volcanic (Pumice) some sedimentary loamy soil; assoc. With pinus ponderosa, artemisia, Bromus, and arctostaphylos 1250 Comment
  SEINET10937025  Lupinus albifrons var. flumineus Katherine L. Morris 1973-6-2 Morris 370 Siskiyou In an open meadow assoc. With yellow pine on the s side of hwy 3, 22 miles e of Fort jones Comment
  HSC2252  Lupinus andersonii Geo. D. Butler 1910-5-15 1349 Siskiyou Greenhorn Mtn. Comment
  HSC44985  Lupinus breweri J. O. Sawyer 1978-6-21 3290 Siskiyou Marble Mtn. Wilderness area, ridge above Crapo Meadow 2012 Comment
  CAS-BOT-BC215174  Lupinus croceus H. P. Bracelin 1931-6-21 466 Siskiyou N side of Mount Eddy, Dobkin's Lake, Near Mount Shasta City 1828 Comment
  UCD19435  Lupinus croceus Charlotte K. Glenn 1967-1 158 Siskiyou Castle Lake. 1584 Comment
  RSA249715  Lupinus croceus Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mts., Shasta-Trinity National Forest: c. 15 air mi. SW of Weed, n ear Kangaroo Lake Campground. Comment
  SEINET7040263 Image available Lupinus densiflorus A. G. Vestal 1963-6-1 s.n. Siskiyou Ca 1 mile southeast of Hornbrook. Hornbrook Quadrangle. UTM Zone 10, 538602mE, 4638284mN. Comment
  SEINET10485425  Lupinus klamathensis Melvin L. Conrad, David B. Dunn; Patricia L. Kenney 1973-6-2 Conrad 6972 Siskiyou On gravelly roadside, 1.1 mi. From interstate 5 on hwy 3 se of yreka in open Exposed area. 914 Comment
  RSA523664  Lupinus lapidicola Richard Halse 1989-5-6 3817 Siskiyou Along Old Hwy 99, 3.2 miles south of Gazelle or 4.2 miles north of its jct with Old Stage Road. 888 Comment
  JEPS65069  Lupinus lepidus var. lobbii Willis L. Jepson 1894-8-11 9 t Siskiyou near Sisson; Mt. Shasta, Muir Peak (now Sugar Loaf), next Black Butte Comment
  UCD108430  Lupinus lepidus var. lobbii Jack Major 1961-7-14 651 Siskiyou ridge above Mud Creek, Mount Shasta. 2316 Comment
  RSA0064514  Lupinus leucophyllus Daisie Huang 2006-8-4 06080403 Siskiyou Klamath River Highway, west of I-5. 491 Comment
  JEPS81649  Lupinus luteolus L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2309 Siskiyou just ne western part of Iron Gate Reservoir (along road to Copco); ne of the western part of Iron Gate Reservoir 670 Comment
  SEINET8056947  Lupinus microcarpus G. D. Butler 1910-5-21 1373 Siskiyou Klamath hills. Comment
  UC1096808  Lupinus obtusilobus H. K. Wagnon 1957-8-11 1688 Siskiyou 3 mi w of Military Pass Rd on road to Brewer Cr. e slope Type Loc. Mt. Shasta; e slope of Mt. Shasta on road to Brewer Cr. Comment
  UC70370  Lupinus obtusilobus Milo S. Baker 1899-7-31 Siskiyou on Ash Creek Mt. Shasta; , on Ash Creek Comment
  SD60261  Lupinus onustus A. A. Heller 1927-5-14 14371 Siskiyou Spring Hill, near the town of Mt.Shasta Comment
  UCD109364  Lupinus polyphyllus A. A. Heller 1920-7-6 13415 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1158 Comment
  RSA237952  Lupinus polyphyllus subsp. polyphyllus Frederick W. Oettinger 1969-7-31 1111 Siskiyou Salmon Mountains, the High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1799 Comment
  POM25903  Lupinus sellulus subsp. sellulus Geo. D. Butler 1908-6-28 367 Siskiyou Quartz Valley Comment
  RSA47664  Lupinus sellulus subsp. sellulus Roxana S. Ferris, Laura Lorraine, Daniel F. Ferris 11759 Siskiyou French Creek Logging Road west of Callahan. 1220 Comment
  SEINET10490223  Lupinus sellulus var. artulus Sawyer 1977-6-21 SAWYER 2982 Siskiyou Dillon mtn quad. Crests and meadows near prescott peak. 1676 Comment
  RSA105452  Lupinus sellulus var. lobbii Milo S. Baker 1955-6-28 13091 Siskiyou Highway 99, road band S of Weed. 1067 Comment
  SEINET10937149  Lupinus sellulus var. ursinus Charles L. Hitchcock, James S. Martin 1939-7-9 Hitchcock 5323 Siskiyou 1/2 mi se of king's castle, marble mtns. In decomposing marble. 1829 Comment
  HSC14881  Lupinus subvexus var. subvexus Unknown Siskiyou Lava Beds N.M., Canby Bay 1220 Comment
  NY16053  Lupinus violaceus A. A. Heller 1905-6-15 8037 Siskiyou Near Sisson Comment
  HSC2419  Luzula divaricata William J. Ferlatte 1966-8-5 348 Siskiyou Caribou Mtn. 2470 Comment
  RSA238894  Luzula divaricata Frederick W. Oettinger 1968-8-8 447 Siskiyou Where the old Tanner s Peak trail meets the English Peak trail along the ridge leading up to the peak. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  HSC69538  Luzula parviflora Maralyn A. Renner 1980-8-6 2250 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  HSC41066  Luzula parviflora J. O. Sawyer 1969-6-12 897 Siskiyou Along Rd. 41N14 S of Sugar Creek Comment
  POM210923  Lycium barbarum Louis C. Wheeler 1934-11-4 3356 Siskiyou Marble Mountains: Scott Bar, Scott River. (Mt Diablo Mer.) 518 Comment
  HSC14223  Lycopus americanus L. C. Wheeler 1934-9-19 3283 Siskiyou Mt. Diablo Meridian, Walker, Klamath River, Siskiyou Mtns. 518 Comment
  SEINET2121890  Machaeranthera canescens M. L. Carson 1968-12-9 1296 Siskiyou US Highway 99 and Interstate 5 at base of Black Butte 4 mi S of Weed, 0.85 mi N of summit of the pass and 2.55 mi N of exit to Mount Shasta and State Highway A 10 1190 Comment
  SEINET10846351  Machaeranthera canescens var. shastensis Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 886 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
  CAS-BOT-BC342601  Madia R. E. Frenkel 1965-6-14 943 Siskiyou On Everitt Memorial Highway, 1.7 miles north of McCloud River RR crossing near Mount Shasta 1290 Comment
  SEINET11601350 Image available Madia elegans G. D. Butler 1910-5-19 1364 Siskiyou Yreka Comment
  UC1212558  Madia elegans Francia Chisaki, Helen K. Sharsmith 1959-8-20 4737 Siskiyou ca. 4 mi w of Callahan; Wildcat Creek road Comment
  RSA153447  Madia elegans subsp. elegans Francia Chisaki, Helen Sharsmith 1959-8-20 4737 Siskiyou On Wildcat Creek road ca. 4 miles west of Callahan 1067 Comment
  CHSC75680  Madia exigua Vernon H. Oswald; Lowell Ahart 1999-7-5 9794 Siskiyou Gazelle-Callahan Hwy. 9.0 mi west of Gazelle. Roadside. 914 Comment
  UCD134272  Madia glomerata A. H. Murphy 1956-8-16 56 Z Siskiyou Tangle Blue Lake, Klamath National Forest. 1767 Comment
  UCR45390  Madia gracilis D. H. Norris 1970-5-23 12233 Siskiyou Along Klamath River at Ishi Pishi [Rd.] Bridge near Somes Bar 145 Comment
  RSA126302  Madia madioides I. L. Wiggins 1955-7-23 13466 Siskiyou Ridge W of China Creek, S side of S fork of Salmon River 1006 Comment
  RSA452627  Mahonia aquifolium L. C. Wheeler 1934-6-15 2716 Siskiyou Hungry Creek, Siskiyou Mts. 1280 Comment
  POM97668  Mahonia aquifolium Geo. D. Butler 1910-4-11 1169 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC512767  Maianthemum racemosum subsp. amplexicaule Alice Eastwood 1912-7-23 1337 Siskiyou Cantara Comment
  RSA105353  Maianthemum racemosum subsp. amplexicaule G. D. Barbe 1955-7-6 136 Siskiyou Along northeast shore of Taylor Lake, Salmon Mtns. 1951 Comment
  CAS-BOT-BC514184  Maianthemum stellatum J. M. Tucker 1963-7-5 3702 Siskiyou Blake's Fork of South Russian Creek (a tributary of the Salmon River), 7 miles (airline) east of Sawyer's Bar, Salmon Mountains 1615 Comment
  CAS-BOT-BC514190  Maianthemum stellatum J. M. Tucker 1963-7-5 3702 Siskiyou Blake's Fork of South Russian Creek (a tributary of the Salmon River), 7 miles (airline) east of Sawyer's Bar, Salmon Mountains 1615 Comment
  UCSB24986  Maianthemum stellatum Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp 1402 Comment
  UC618881  Marrubium vulgare W. Bridge Cooke 1938-8-19 11513 Siskiyou near Howard (Mount Shasta); , near Howard Comment
  CHSC71466  Marsilea vestita subsp. vestita Vernon H. Oswald; Lowell Ahart 1998-7-21 9337 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. 1402 Comment
  UCD107730  Medicago lupulina A. A. Heller 1916-6-20 12416 Siskiyou Metcalf's ranch, northeast of Mt. Eddy. 1188 Comment
  JEPS109400  Melica aristata Dean W. Taylor 2004-7-20 19192 Siskiyou Mt. Shasta, slopes southwest of Squaw Valley Creek 1889 Comment
  JEPS83577  Melica aristata Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-6 9239 Siskiyou Porcupine Lake 1304 Comment
  UC165788  Melica aristata Geo. D. Butler 1909-7-15 811 Siskiyou Russian Creek 1828 Comment
  UC333647  Melica bulbosa unknown 1889-6-28 Siskiyou Edgewood Comment
  LA12125  Melica californica Jason Swallen; 1939-7-21 13735 Siskiyou Mount Shasta, above Wagon Camp 1767 Comment
  RSA403521  Melica fugax M. B. Dunkle 1945-1 9322 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  POM299029  Melica harfordii Marion Ownbey, Fred G. Meyer 1940-7-7 2217 Siskiyou Near summit of Cayenne Ridge, Marble Mountain. Comment
  SEINET10599420  Melica harfordii A. Arthur Heller 1905-6-1 Heller 7935 Siskiyou Between Upper Soda Spring & Shasta Retreat. Comment
  UC618669  Melica subulata unknown 1938-7-15 11178 Siskiyou Bear Springs; Mount Shasta Comment
  UCD88597  Melica subulata A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3436 Siskiyou 5 miles northeast of Happy Camp. Above Klamath River. Comment
  RSA43891  Melissa officinalis H. M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, near Somes Bar. Comment
  SBBG30508  Mentzelia D. Myrick 1968-6-22 1996 Siskiyou Lava Beds Nat Monument 1371 Comment
  UC1170102  Mentzelia laevicaulis var. laevicaulis W. Bridge Cooke 1956-7-16 30300 Siskiyou above Hotlum Station (Cinder cone, along a road to a gravel pit in chapparal); north side of Mount Shasta 1676 Comment
  CAS-BOT-BC428551  Micranthes aprica A. A. Heller 1915-7-15 12081 Siskiyou Mt. Eddy 2072 Comment
  SJSU6538  Micranthes ferruginea R. W. Trivelpiece 1973-6-28 158 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  CAS-BOT-BC428981  Micranthes ferruginea W. R. Dudley 1901-8-23 s.n. Siskiyou Foxtail Ridge, Salmon Mts. Comment
  CAS-BOT-BC429036  Micranthes nidifica John Thomas Howell 1980-4-30 53449 Siskiyou Yreka 792 Comment
  CAS-BOT-BC506661  Micranthes odontoloma Dana York 2011-8-14 3077 Siskiyou Marble Mountain Wilderness, Klamath National Forest. Marble Valley, just below the PCT 1730 Comment
  CHSC1680  Micranthes odontoloma V. Holt 1943-8-11 Siskiyou Marble mountains. 1828 Comment
  CAS-BOT-BC429260  Micranthes oregana A. A. Heller 1905-6-15 8031 Siskiyou Sisson Comment
  CAS-BOT-BC429259  Micranthes oregana A. A. Heller 1905-6-15 8031 Siskiyou At Sisson Comment
  CHSC71283  Microseris nutans Vernon H. Oswald; Lowell Ahart 1998-6-11 9198 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. In meadow bordering the lake. 1402 Comment
  HSC22288  Microseris nutans J. O. Sawyer 1969-7-3 1051 Siskiyou Near Lipstick Lake 1951 Comment
  UC564178  Microseris nutans Elmer I. Applegate 1935-6-7 9417 Siskiyou Bear Paw Cave Lava Beds National Monument Comment
  UCD20187  Microsteris gracilis J. DiTomaso 2002-5-17 s.n. Siskiyou 8 miles NE of Montague. On York Road., 300 m east of intersection with Mulloy Rd. Comment
  RSA237329  Microsteris gracilis subsp. humilis Frederick W. Oettinger 1967-6-24 117 Siskiyou Ridge at Etna Summit between Etna and Sawyers Bar. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC1586887  Mimulus Juha Pykala and D. H. Norris 1987-6-26 1981 Siskiyou n Tickner Hole; Marble Mountain Wilderness Area Comment
  RSA119355  Mimulus breweri S. S. Tillett 1956-7-9 638 Siskiyou E. of Scott Mtn., s. end of small lake. Siskiyou -Trinity Co. Line. 8 mi. se. of Callahan 1829 Comment
  UC1409383  Mimulus breweri Frederick W. Oettinger 1969-8-13 1360 Siskiyou vicinity English Peak (English Lake, main camp site); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  HSC29399  Mimulus breweri Frederick W. Oettinger 1969-8-13 1360 Siskiyou High Lake Basins: main camp site, English Lake 1829 Comment
  RSA237539  Mimulus breweri Frederick W. Oettinger 1967-7-26 186 Siskiyou Stream bank below spring at Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  POM301676  Mimulus cardinalis Marion Ownbey, Fred G. Meyer 1940-7-6 2179 Siskiyou 3 mi. down the Klamath River from the mouth of Beaver Creek, north side of river. Comment
  JEPS93896  Mimulus evanescens Vernon H. Oswald and Lowell Ahart 1998-7-21 9359 Siskiyou ne of Weed, e of Grass Lake, and w of Bray on Old State Highway 0.8 mi e of Tennant Road; Old State Highway 1417 Comment
  UC618713  Mimulus guttatus W. Bridge Cooke 1938-8-5 11444 Siskiyou MacBride Springs Mount Shasta Comment
  RSA293206  Mimulus guttatus J. P. Smith 1973-5-5 6421 Siskiyou Along Cook and Green Pass road. Comment
  JEPS74148  Mimulus inodorus J. M. Tucker with D. V. Hemphill 1974-7-27 4305 Siskiyou Haypress Meadows Marble Mts. Wilderness Area, Haypress Creek 1463 Comment
  UC164473  Mimulus layneae Geo. D. Butler 1910-6-19 1585 Siskiyou Goosenest foothills 1524 Comment
  UC445160  Mimulus layneae W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson, 18th Crossing Mount Shasta Comment
  HSC76658  Mimulus lewisii K. T. Stillman 1976-7-22 293 Siskiyou Marble Mtn. Wilderness Area Comment
  JEPS95062  Mimulus mephiticus Vernon Oswald and Lowell Ahart 1997-7-28 8774 Siskiyou 16 mi. s. Medicine Lake (Forest Rte. 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte)) 1365 Comment
  JEPS11712  Mimulus microphyllus F. W. Pennell 1940-6-20 26203 Siskiyou w Bartle (Route 89) 1158 Comment
  HSC23587  Mimulus moschatus J. O. Sawyer 1970-7-4 2325 Siskiyou At Cedar Flat Cabin 1402 Comment
  RSA237536  Mimulus moschatus Frederick W. Oettinger 1967-8-20 290 Siskiyou Just below spring at Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 2049 Comment
  UCD122801  Mimulus moschatus John M. Tucker; Louis K. Mann 1963-7-4 3690 Siskiyou beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. Comment
  UCD77259  Mimulus moschatus Robert E. Preston 2001-6-30 1641 Siskiyou Klamath National Forest, Rainbow Mountain. 1722 Comment
  RSA48209  Mimulus nanus var. nanus Roxana S. Ferris, Laura Lorraine 1948-6-12 11851 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side. 1418 Comment
  UC1023727  Mimulus primuloides Francis W. Pennell 1940-7-20 26202 Siskiyou w Bartle (Route 89) 1158 Comment
  UC41856  Mimulus primuloides W. C. Blasdale 1894-7-30 Siskiyou Sissons Comment
  JEPS3166  Mimulus primuloides subsp. linearifolius George D. Butler 1908-8-4 452 Siskiyou head Shackleford Creek 1676 Comment
  HSC442  Mimulus primuloides var. linearifolius William J. Ferlatte 1967-8-17 955 Siskiyou Yellow Rose Mine 1982 Comment
  CDA41829  Mimulus primuloides var. linearifolius T. R. Haig & F. D. Horn 1979-8-16 s.n. Siskiyou Gumboot Lake Area, west of Dunsmuir. 0 Comment
  RSA434718  Mimulus primuloides var. pilosellus Louis C. Wheeler 1935-7-26 3712 Siskiyou Jaynes Canyon; Siskiyou Mountains. (Mt. Diablo Mer.) 1951 Comment
  UC1031296  Mimulus tilingii Francis W. Pennell 1940-7-17 26181 Siskiyou above Ruffy Lake (w of Etna); Salmon Mountains 1981 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
  HSC82583  Minuartia douglasii Thomas W. Nelson, Jane P. Nelson 1979-5-26 4708 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  JEPS105407  Minuartia stolonifera Dean W. Taylor 1996-7-7 15820 Siskiyou Scott Mountains; Highway 3 about 3 miles North of Scott Mountain Pass; Klamath National Forest 1402 Comment
  UC796514  Mirabilis greenei Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11864 Siskiyou foot of Gazelle Mt grade Willow Creek Comment
  UC1198871  Mitella diversifolia Joseph P. Tracy 1935-8-2 14434 Siskiyou Young's Peak Salmon-New River divide (ne side) 1524 Comment
  SEINET6167732  Mitella diversifolia G. D. Butler 1910-1 1391 Siskiyou Humbug Mt. 1219 Comment
  HSC4887  Mitella pentandra J. O. Sawyer 1968-7-10 520 Siskiyou S side of Sugar Creek. 1616 Comment
  CAS-BOT-BC433062  Mitella pentandra Wm. Bridge Cooke 1938-9-8 11656 Siskiyou Mount Shasta. Squaw Creek, Heather Meadows. On the banks of the Squaw Creek. Also at Panther Creek. Comment
  RSA183701  Mitella trifida Gilbert Muth 1965-8-18 236 Siskiyou Marble Mts.; trail behind Black Mt. Comment
  RSA184754  Mitella trifida Gilbert Muth 1966-7-17 400 Siskiyou Trail to lookout. Marble Mtns. 1799 Comment
  HSC4915  Moehringia macrophylla J. O. Sawyer 1968-7-2 375 Siskiyou Upper drainage of Joe Creek 1677 Comment
  JEPS25622  Moehringia macrophylla Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7256 Siskiyou Poker Flat 1536 Comment
  JEPS46134  Moehringia macrophylla Duncan Dunning 1922-6-5 Siskiyou nw Fort Jones (Moffett Creek); Moffett Creek Comment
  SEINET6645733  Mollugo verticillata L. C. Wheeler 1935-7-20 3676 Siskiyou Scott River, 1 1/2 mi. W. of Ft. Jones 823 Comment
  UCR93379  Monardella Kathy Harper, Dane Karr 1994-6-15 s.n. Siskiyou Vicinity of Bartle, c. 0.25 mi. south of McIntosh Vista on road between Calif. Hwy 89 and Pioneer Hill Road 1341 Comment
  HSC70605  Monardella glauca J. O. Sawyer, R. J. Cole 1981-7-2 4147 Siskiyou Near Scott Mountain Campground 1585 Comment
  CAS-BOT-BC221815  Monardella odoratissima H. M. Hall; E. B. Babcock 1903-6-1 4057 Siskiyou Mount Shasta. Sisson 1036 Comment
  CHSC763  Monardella odoratissima K. Jaekal 1939-7-6 Siskiyou Black Butte Meadows, Mt. Shasta. 1158 Comment
  HSC65493  Monardella odoratissima R. White 1977-7-1 100 Siskiyou Top of Sawtooth Mtn. 1761 Comment
  UCSC001508  Monardella odoratissima Peter Kamb 1949-8-25 1482 Siskiyou Southwest slope of Mt Shasta above Horse Camp Mt Shasta, Horse Camp 2469 Comment
  SEINET8732860 Image available Monardella odoratissima Lewis S. Rose 1937-1 37587 Siskiyou S. slope of Mt. Shasta. Alt. 5800 ft. 1768 Comment
  UC2035947  Monardella odoratissima subsp. glauca C. Epling 1938-6-13 Siskiyou Near Weed Comment
  JEPS25673  Monardella odoratissima subsp. pallida Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7318 Siskiyou jeep road between Poker Flat and Twin Valley (near (but not on) serpentine area at ridge-top marking Del Norte-Siskiyou County boundary); Siskiyou Mts. 1664 Comment
  SEINET10582080  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 344 Siskiyou Mt. Shasta National Forest, Mt. Shasta. Memorial Hwy. from the 2nd road to Sand Flats going down the Mt., on both sides of the road. Locally frequent at the edge of mixed conifer forest of Abies magnifica, A. concolor, Pinus ponderosa, Pseudotsuga menziesii, Calocedrus decurrens, with Ceanothus sp., Arctostaphylos uva-ursi and A. sp. Comment
  CAS-BOT-BC220232  Monardella sheltonii Clare B. Hardham 1965-8-1 13081 Siskiyou Near Happy Camp on Sulphur Springs Road Comment
  UC2035869  Monardella villosa subsp. villosa C. Epling 1938-6-12 Siskiyou Between Happy Camp and Orleans Comment
  CAS-BOT-BC453479  Monotropa hypopitys H. A. Thomas; J. H. Thomas 1954-7-21 4387 Siskiyou Salmon-Trinity Mts., about 6 iles SE of Cecilville. West side of Rush Creek. 1036 Comment
  UCD77876  Monotropa hypopitys Robert E. Preston 2001-6-30 1645 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W nw 1/4 of se 1/4 Section 14 1767 Comment
  JEPS84216  Monotropa hypopitys L. R. Heckard with J. Hickman et al. 1986-7-17 6450 Siskiyou ca 5 mi n Seiad Valley; Cook and Green Pass 1465 Comment
  HSC64305  Montia chamissoi J. P. Smith, Steve Selva 1970-6-16 4035 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  CAS-BOT-BC444878  Montia fontana L. R. Abrams 1926-7-4 11224 Siskiyou 1 mile west of Shasta City on road to Abrams Lake Comment
  CAS-BOT-BC445111  Montia linearis James P. Smith 1974-5-25 7472 Siskiyou Along Road 8, 4.7 miles west of its junction with State Route 3. 1158 Comment
  CAS-BOT-BC445210  Montia parvifolia Edward Lee 1934-8-13 1054 Siskiyou Indian Creek, 4 miles north of Happy Camp, Klamath National Forest 411 Comment
  HSC64318  Montia parvifolia J. P. Smith, Steve Selva 1970-6-16 4056 Siskiyou 8 mi. W of Etna on road to Sawyers Bar 1372 Comment
  HSC4452  Montia parvifolia William J. Ferlatte 1966-7-7 220 Siskiyou Big Flat across river from camp 1524 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
  UC196950  Muhlenbergia asperifolia Geo. D. Butler 1910-8-21 1848 Siskiyou Shasta Valley Comment
  UCD86564  Muhlenbergia asperifolia R. Tofsrud 1949-8-4 s.n. Siskiyou between Grenada and Gazelle, Hwy. 99. Comment
  SEINET10596045  Muhlenbergia asperifolia George D. Butler 1910-8-21 Butler 1848 Siskiyou Damp soil, Shasta Valley. Comment
  CAS-BOT-BC267051  Muhlenbergia filiformis L. P. Janeway 1983-8-16 543 Siskiyou Siskiyou Mountains: at Poker Flat, in upper portion of meadow 1524 Comment
  HSC92502  Muhlenbergia filiformis Jennifer Whipple 1977-8-5 2171 Siskiyou Mt. Eddy, Wagon Creek drainage near Wagon Creek 2287 Comment
  UC711877  Muhlenbergia richardsonis Roxana S. Ferris and Laura Lorraine 1941-8-11 10497 Siskiyou on US Hwy 97 Grass Lake Station 1554 Comment
  RSA403612  Muhlenbergia richardsonis E. Yale Dawson 1948-7-16 5094 Siskiyou Margins of Grass Lake, north of Mount Shasta 1524 Comment
  RSA614437  Myosurus minimus K. L. Chambers 1962-4-21 2100 Siskiyou Hwy 99, 5.6 miles S of the center of Yreka Comment
  JEPS69760  Nama densa W. B. and V. G. Cooke 1972-6-30 45415 Siskiyou Military Pass Road above Andesite Crossing (Mt. Shasta); , above Andesite Crossing Comment
  HSC58938  Narthecium californicum Marvin Butler 1971-7-28 219 Siskiyou Near El Capitan 1524 Comment
  CAS-BOT-BC516026  Narthecium californicum W. R. Dudley 1905-8-4 s.n. Siskiyou Meadow foot of Mount Eddy Comment
  HSC64814  Nasturtium officinale J. P. Smith, Steve Selva 1970-6-15 3909 Siskiyou 10 mi. NW of Forks of Salmon Comment
  HSC60827  Navarretia capillaris Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  UC1409297  Navarretia capillaris Frederick W. Oettinger 1969-7-9 939 Siskiyou drying meadows nw Upper English Lake (High Lake basins in vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness, Upper English 1950 Comment
  HSC44288  Navarretia intertexta J. P. Smith, Steve Selva 1970-7-16 4379 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  UC1094396  Navarretia intertexta Rimo C. Bacigalupi with Galen Smith 1957-6-26 5934 Siskiyou ca 2 mi n Weed (along Highway 99) 1036 Comment
  JEPS19746  Navarretia leucocephala subsp. minima Rimo Bacigalupi with S. Galen Smith 1957-6-27 5978 Siskiyou 4.0 mi sw Dorris (along U.S. Highway 97); Butte Valley 1280 Comment
  RSA565355  Navarretia sinistra Alva Day, Orbelia Robinson 1984-6-29 84 -18 Siskiyou Highway 3, summit just W of Scott Mountain, near Siskiyou-Trinity county line. 1649 Comment
  CAS-BOT-BC230557  Nemophila parviflora var. austiniae A. A. Heller 1919-6-20 13257 Siskiyou Metcalf's Ranch, NE base of Mount Eddy 1158 Comment
  CHSC72238  Nepeta cataria Vernon H. Oswald; Lowell Ahart 1998-9-16 9636 Siskiyou Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi east of Hwy. 97. 1243 Comment
  HSC14290  Nepeta cataria L. C. Wheeler 1934-9-18 3279 Siskiyou Mt. Diablo Meridian, Siskiyou Mtns., Dutch Creek off Klamath River 701 Comment
  POM211254  Nepeta cataria Louis C. Wheeler 1934-9-18 3279 Siskiyou Siskiyou Mts. Dutch Creek off Klamath River 701 Comment
  CAS-BOT-BC60585  Noccaea fendleri subsp. glauca Jean Langenheim 1957-5-19 4344 Siskiyou At intersection of Miner's Creek road and Tiger Creek road. Comment
  HSC34294  Noccaea fendleri subsp. glauca J. P. Smith, J. O. Sawyer 1973-8-14 7288 Siskiyou Along trail from Log Lake to Campbell Lake 1585 Comment
  RSA237490  Nothocalais alpestris Frederick W. Oettinger 1968-8-17 563 Siskiyou Crapo Ridge trail crossover at Gap; Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 2012 Comment
  RSA237495  Nothocalais alpestris Frederick W. Oettinger 1969-9-3 1619 Siskiyou Trail on north side of Crapo Ridge above Tom's Cabin; Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area 2073 Comment
  UC1070113  Nothocalais troximoides R. D. Roseberry 1936-5-21 43 Siskiyou 1 mi ne Whitney Butte; Dorris Quad., Modoc Lava Beds National Monument Comment
  HSC23605  Nothochelone nemorosa J. O. Sawyer 1970-7-15 2349 Siskiyou Above Bear Lake 1585 Comment
  RSA238825  Nothochelone nemorosa Frederick W. Oettinger 1967-7-30 225 Siskiyou Between Abbott's Lake and Charmine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UCD110223  Notholithocarpus densiflorus var. echinoides B. Crampton 1956-8-21 3850 Siskiyou Canyon of the Sacramento River just the junction of the North Fork with Middle and South Forks, southwest of Mt. Shasta City. 1066 Comment
  HSC29330  Nuphar polysepala Frederick W. Oettinger 1968-8-12 488 Siskiyou Lily Pond, W of W cove of Hancock Lake 1936 Comment
  UCD106834  Oenothera cespitosa Geo C. Wood 1940-4-29 s.n. Siskiyou Butte Valley. Comment
  CHSC26182  Oenothera villosa subsp. strigosa J. P. Kroessig 1977-8-5 47 Siskiyou Along e margin of Everitt Memorial Hwy., between hwy entrance and Penny Pines Plantation, ca. 3 km n of Mt. Shasta City. 1220 Comment
  CAS-BOT-BC349936  Onopordum acanthium C. S. Giebner 1964-7-3 s.n. Siskiyou Dwinnell Rd., Big Springs, Shasta Valley Comment
  CDA37696  Onopordum acanthium Robin Breckenridge 2005-7-19 s.n. Siskiyou South Weed Exit, trucking parking area. 0 Comment
  CDA7552  Onopordum acanthium William J. Ferlatte, M. Miller 1971-6-19 1362 Siskiyou Seldom Seen Ranch, 0.5 mile in from Big Springs Road, about 2 miles north of entrance to Lake Shastina. 0 Comment
  RSA790724  Onopordum acanthium T. C. Fuller 1963-8-26 11154 Siskiyou Bottomland of Greenhorn Valley, ca. 2 miles west of Yreka Comment
  JEPS26035  Onopordum tauricum T. C. Fuller 1959-12-10 3324 Siskiyou just s of Sam's Neck; Fred Voelker ranch, Meiss Lake Basin, Dorris Comment
  SEINET13262927  Onychium densum Unknown 1968-8-23 610 Siskiyou PLANTS OF THE SALMON MOUNTAINS. THE HIGH LAKE BASINS IN THE VICINITY OF ENGLISH PEAK, MARBLE MOUNTAIN WILDERNESS AREA. due e. and 50 feet below Diamond Lake at base of sheer cliff. 2057 Comment
  CAS-BOT-BC355600  Oreostemma alpigenum var. andersonii H. A. Thomas; J. H. Thomas 1954-7-24 4503 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CHSC114078  Oreostemma alpigenum var. andersonii Jennifer Buck; Deborah Stout 2011-8-23 TL 03 A Siskiyou Middle Fork Sacramento River headwters, east slope of the Eddys, near Toad Lake; UTM Zone 10N, 542269E, 4570217N. 2065 Comment
  JEPS79774  Orobanche corymbosa subsp. mutabilis L. R. Heckard 1967-8-14 1728 Siskiyou Just east of U.S. 97, 2 miles north of Deer Mt. Lodge (19 miles north of Weed). Comment
  UC630384  Orthilia secunda Annetta Carter 1939-8-21 1469 Siskiyou Canadian Zone above southeast end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2164 Comment
  CAS-BOT-BC458084  Orthilia secunda Doris K. Kildale 1928-7-2 5337 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  CAS-BOT-BC458090  Orthilia secunda Ira L. Wiggins 1955-7-29 13582 Siskiyou Summit of ridge above Thompson Creek, trail to Caribou Lake 1999 Comment
  RSA0083194  Orthilia secunda E. K. Balls 1949-7-10 13962 Siskiyou 8.6 miles from Sawyers Bar on way to Cecilville. 762 Comment
  RSA0083199  Orthilia secunda L. C. Wheeler 1959-7-25 7594 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  RSA0083200  Orthilia secunda H. A. Thomas, J. H. Thomas, Alan Thomas 1954-7-21 4421 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek. 1159 Comment
  SBBG25932  Orthocarpus cuspidatus subsp. copelandii D. Myrick 1966-8-10 1532 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  RSA237572  Orthocarpus cuspidatus subsp. copelandii Frederick W. Oettinger 1967-8-10 245 -a Siskiyou 1/8 mile southeast of Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  HSC22169  Osmorhiza berteroi J. O. Sawyer 1969-7-11 850 Siskiyou Ravine above C.C.C. road. 1280 Comment
  HSC65503  Osmorhiza berteroi R. White 1977-7-21 128 Siskiyou Slope below outlet of Raspberry Lake. 1512 Comment
  HSC77120  Osmorhiza berteroi K. T. Stillman 1976-8-7 360 Siskiyou Marble Mtn. Wilderness Area, trail to Marble Valley Guard Station Comment
  HSC22170  Osmorhiza occidentalis J. O. Sawyer 1969-7-18 1384 Siskiyou Near South Russian Creek 1890 Comment
  HSC69011  Osmorhiza occidentalis Maralyn A. Renner 1980-7-24 2032 Siskiyou Lily Pad Lake 1768 Comment
  UC166106  Osmorhiza occidentalis Geo. D. Butler 1910-7-7 1668 Siskiyou Shackleford Creek 1219 Comment
  UCD111336  Oxalis trilliifolia J. M. Tucker 1974-7-28 4331 Siskiyou 1 mile south of Haypress Meadows, beside trail to Camp 4, Marble Mountain Wilderness Area. 1463 Comment
  CAS-BOT-BC316750  Packera cana Arthur L. Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  UC1037456  Packera streptanthifolia Milo S. Baker 1955-6-26 13076 Siskiyou 4 mi s Gazelle (Hwy 99) 914 Comment
  HSC27221  Panicum capillare J. P. Smith, J. O. Sawyer 1971-9-18 4794 Siskiyou Hwy. 3 between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  POM210931  Parnassia californica Louis C. Wheeler 1934-8-14 3127 Siskiyou North side White Mountain; Siskiyou Mountains. Mt. Diablo Mer. 1768 Comment
  HSC96311  Parnassia palustris Gordon Leppig 1998-8-14 1016 Siskiyou Klamath National Forest, Russian Wilderness, in cirque W of Little Duck Lake. 2200 Comment
  UCD86162  Pascopyrum smithii Collector Unknown 1950-3-1 s.n. Siskiyou Tule Lake area. Comment
  POM87425  Paxistima myrsinites Geo. D. Butler 1910-4-22 1219 Siskiyou Kidder Creek Comment
  RSA1654  Paxistima myrsinites C. B. Wolf 1930-10-22 1751 Siskiyou 3 miles S of Mt. Shasta City. Comment
  RSA237270  Paxistima myrsinites Frederick W. Oettinger 1969-8-1 1137 Siskiyou Between English Lake and Wire Grass Meadow. English Lake Basin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC1071573  Paxistima myrsinites H. S. Yates 1936-6-21 5828 Siskiyou n. base Wintoon butte; Dunsmuir Quad. Comment
  CHSC1638  Pectiantia pentandra V. Holt 1943-8-13 Siskiyou Marble Mountains. 1828 Comment
  RSA48235  Pectocarya penicillata Roxana S. Ferris, Laura Lorraine 1948-6-12 11785 Siskiyou Outskirts of Etna. Comment
  UC1333319  Pedicularis densiflora Dorothy Parker 1949-5-26 Siskiyou Sugar Creek; Salmon Mountain Range 1676 Comment
  HSC48178  Pedicularis howellii Rich White 1978-7-3 217 Siskiyou Lake E of Sawtooth Trail, N of Dillon Trail 1502 Comment
  JEPS3356  Pedicularis racemosa H. W. Furlong Sept., 1901 Siskiyou Summit to Ager Comment
  UC164360  Pedicularis racemosa Geo. D. Butler 1908-8-3 99 Siskiyou Shackleford Creek Comment
  HSC12277  Pedicularis racemosa R. W. Spjut 1970-7-17 448 Siskiyou 16 mi. W of Mt. Shasta at Gumboot Lake, NW corner of lake 1829 Comment
  HSC69375  Pedicularis semibarbata J. O. Sawyer, J. Cole 1980-7-19 3679 Siskiyou Near FS Rd. 45N05 2018 Comment
  CAS-BOT-BC67681  Pellaea brachyptera Marion Ownbey; Fred G. Meyer 1940-7-6 2198 Siskiyou Near summit of Cayenne Ridge on south side, Marble Mountain. Comment
  HSC29478  Pellaea brachyptera Frederick W. Oettinger 1968-8-16 538 Siskiyou Marble Mtn. Wilderness Area, near the summit of Little Medicine Mtn. due N of Hancock Lake 2088 Comment
  JEPS84173  Pellaea breweri L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6403 Siskiyou ca. 5 mi n of town of Seiad Valley (cirque at head of Hell's Canyon) 1750 Comment
  CHSC96033  Penstemon anguineus L. P. Janeway 2006-7-3 8760 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead Road about 0.8 km west of the trailhead, about 0.2 km west of Statue Creek. 1786 Comment
  HSC4800  Penstemon anguineus William J. Ferlatte 1966-8-5 325 Siskiyou N side of Caribou Mtn. 1982 Comment
  JEPS23801  Penstemon anguineus Rimo Bacigalupi with Mr. and Mrs. Van Deventer and Don Liles 1959-7-9 7259 Siskiyou Poker Flat 1536 Comment
  UC1222500  Penstemon anguineus Joseph P. Tracy 1950-7-20 19212 Siskiyou 5 mi se Elk Valley (Flint Valley); , se of Elk Valley 1432 Comment
  UC1238944  Penstemon anguineus Freed W. Hoffman 1948-7-8 2585 Siskiyou Waldo-Happy Camp Road n West Branch Camp (western Siskiyou County); North Coast Ranges, n of West Branch Camp Comment
  RSA44883  Penstemon anguineus J. C. Roos 1948-9-1 3945 Siskiyou 10 miles SW of Etna. Comment
  RSA495515  Penstemon anguineus Elaine Joyal, D. Mehlman 1988-6-25 1276 Siskiyou Happy Camp - Takilma road at turn-off to Bolan Lake 1524 Comment
  UC618803  Penstemon cinereus David Keck 1938-8-24 11582 Siskiyou Bolam Creek Mount Shasta, Bolam Creek (above the creek in forest of Yellow Pine) 2133 Comment
  SEINET3160250  Penstemon confertus G. D. Butler 1909-6-22 934 Siskiyou Gooseness Mts. Comment
  POM234400  Penstemon davidsonii subsp. davidsonii Alice Eastwood 1912-9-1 2057 Siskiyou Mount Shasta. Comment
  JEPS8101  Penstemon davidsonii var. davidsonii W. L. Jepson 1894-8-4 21412 Siskiyou Mt. Shasta above timber line; Mt. Shasta, above timber line Comment
  NY591453  Penstemon davidsonii var. davidsonii L. C. Wheeler 1934-8-5 3044 Siskiyou Siskiyou Mountains, Condrey Mountain. 2164.1 Comment
  UC139723  Penstemon davidsonii var. davidsonii E. B. Copeland 1903-8-16 3871 Siskiyou Mount Shasta 3048 Comment
  UC70415  Penstemon davidsonii var. davidsonii Milo S. Baker Aug 1894 Siskiyou Medicine Lake Comment
  UC705377  Penstemon davidsonii var. davidsonii Marion Ownbey, Fred G. Meyer 1940-7-4 2185 Siskiyou ridge above head of Brewer Creek Mount Shasta, E side Comment
  HSC65576  Penstemon deustus R. White 1977-7-7 110 Siskiyou Devil's Punchbowl, NE shore 1433 Comment
  RSA401796B  Penstemon deustus Bonnie C. Templeton 1960-6-21 8527 Siskiyou Between CA State line and the Agricultural Inspection Station. Comment
  RSA75599  Penstemon deustus subsp. deustus Albert M. Vollmer, L. Beane 1951-6-2 39 Siskiyou Klamath River Hwy, between US 99 and Gottville. Comment
  NY609822  Penstemon deustus var. suffrutescens C. L. Hitchcock 1939-7-7 5293 Siskiyou North side of Sanger Peak 1645.9 Comment
  UC1017723  Penstemon deustus var. suffrutescens Marion Ownbey and Ruth P. Ownbey 1938-7-19 1750 Siskiyou 2.5 mi nw Dry Lake Lookout (summit of Siskiyou Mts.); Siskiyou Mts. Comment
  NY605088  Penstemon deustus var. suffrutescens R. C. F. Bacigalupi 1956-6-9 5695 Siskiyou Along U.S. Highway No. 99, southern limits of Shasta Valley, 1.5 miles northwest of Weed. 975.4 Comment
  NY609839  Penstemon deustus var. suffrutescens E. I. Applegate 1898-5-15 2136 Siskiyou Along Klamath River, between Shovel Creek and Fall Creek 792.5 Comment
  NY600745  Penstemon gracilentus D. D. Keck 1927-8-16 305 Siskiyou 4 miles east of Mt. Shasta City (Sisson) on west flank of Mt. Shasta. 1611.2 Comment
  UC313696  Penstemon gracilentus David D. Keck 1927-8-16 305 Siskiyou 4 mi e Mt. Shasta City (Sisson) (on w flank of Mt. Shasta); w flank of Mt. Shasta, e of Mt. Shasta City (Sisson) 1609 Comment
  UC60948  Penstemon gracilentus Geo. B. Grant September 1902 5132 Siskiyou Horse Camp , Horse Camp (Mount Shasta) 2438 Comment
  RSA78992  Penstemon gracilentus E. K. Balls, Percy C. Everett 1952-10-12 18181 Siskiyou 7.2 miles SW of boundary of Lava Bed Nat'l Monument on road from Indian Well Ranger Station to Tennant. 1067 Comment
  UC229876 Image available Penstemon laetus H. E. Brown Jun 11 1897-Jun 16 1897 360 Siskiyou n side Mt. Shasta; ; Mt. Shasta, Siskiyou Co. 1524 Comment
  CDA41853  Penstemon laetus subsp. sagittatus T. C. Fuller 1958-6-19 1894 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  UC725620  Penstemon laetus var. sagittatus A. A. Heller 1938-7-12 15257 Siskiyou sixteen mi ne Weed (near the base of Deer Mt.); near base Deer Mt., ne of Weed Comment
  NY604554  Penstemon laetus var. sagittatus K. A. Vincent 1987-6-28 4443 Siskiyou Cascade Range, Mount Shasta; on lava flow between Mount Shasta and Whaleback, along Andesite - Military Pass Road, ca. 1 mile southeast of jct. US 97, ca. 14.4 miles northeast of jct. US 97 & I-5 Bus. Loop in Weed. 1432.6 Comment
  RSA15583  Penstemon laetus var. sagittatus Carl B. Wolf 1927-8-27 1145 Siskiyou Klamath River, 10 miles above mouth of Salmon Comment
  RSA29475  Penstemon laetus var. sagittatus J. William Thompson 1936-7-8 13152 Siskiyou Lava slopes of Lava Beds Nat'l Monument. Comment
  UC1874902  Penstemon laetus var. sagittatus Karl A. Vincent 1987-6-28 4440 Siskiyou Cascade Range, Mt Shasta, along E side of US 97 ca 5.1 mi NE of jct. I-5 Bus. 1158 Comment
  UC1586910  Penstemon newberryi var. newberryi Juha Pykala and D. H. Norris 1987-6-26 1941 Siskiyou Tickner HOle Marble Mountain Wilderness Area, Tickner Hole 1767 Comment
  UCSB22123  Penstemon newberryi var. newberryi Breedlove, Dennis 1962-6-11 Siskiyou at base of Black Butte; along U.S. Highway 99; 4 miles south of Weed 1188 Comment
  JEPS104858  Penstemon parvulus Dean W. Taylor 1996-7-7 15813 Siskiyou Salmon Mountains; Ruffey Lakes (about 8 air miles southwest of Etna), in cirque above the upper lake; Klamath National Forest 2072 Comment
  JEPS11201  Penstemon parvulus Geo. D. Butler 1908-8-3 433 Siskiyou Log Lake Shackelford Creek, Log Lake 1524 Comment
  NY629996  Penstemon parvulus F. W. Pennell 1940-7-17 26171 Siskiyou Northeastern slope, Salmon Mountains, west of Etna 1828.8 Comment
  UC1483407  Penstemon parvulus Maralyn A. Renner 1980-8-7 2425 Siskiyou ridge s Preston Peak; Klamath National Forest, Preston Peak Quad. 1950 Comment
  POM43010  Penstemon procerus subsp. brachyanthus Geo. D. Butler 1910-7-10 1739 Siskiyou Upper Campbell Lake, Skackleford Creek. 1372 Comment
  HSC19135  Penstemon procerus var. brachyanthus J. O. Sawyer 1969-7-2 1005 Siskiyou E of Twin Lakes 2195 Comment
  HSC65006  Penstemon procerus var. brachyanthus D. L. Goforth 1979-7-19 256 Siskiyou Trinity Alps Wilderness Area, Caribou Lakes Basin, 0.3 mi. NW of upper lake 2134 Comment
  JEPS101473  Penstemon procerus var. formosus Dean W. Taylor 1988-7-10 9965 Siskiyou summit ridge Mt. Eddy 2750 Comment
  RSA60882  Penstemon shastensis Frank W. Gould 1938-6-28 486 Siskiyou Near and north of Mt Shasta (where Hwy 97 crosses Butte Creek). 1418 Comment
  POM253619  Penstemon sonomensis C. Leo Hitchcock 1939-7-6 5231 Siskiyou Peak above and N of Divide of Siskiyou Mts, Takilma Happy Camp road. 1829 Comment
  NY661011  Penstemon speciosus W. B. Cooke 1972-7-6 45458 Siskiyou Along Mud Creek Dam Road, Mt. Shasta 3500 Comment
  UCD77908  Penstemon speciosus Robert E. Preston 2002-7-12 1909 Siskiyou Klamath National Forest, S slope of Rainbow Mountain 1789 Comment
  NY661066  Penstemon speciosus subsp. speciosus D. D. Keck 1940-6-13 5169 Siskiyou North side of town on Route 97 Comment
  SEINET10693779 Image available Perideridia leptocarpa Lincoln Constance, Fei, Mei Chuang; Mario Sousa S. 1966-6-15 Constance 3768 Siskiyou West-facing slope above Trinity River 5 miles north-west of Cecilville. 762 Comment
  HSC77241  Perideridia oregana L. P. Janeway 1983-7-17 429 Siskiyou Near FS 18N33 about 3/4 mi. from the Grayback Rd. 1006 Comment
  HSC29420  Perideridia parishii subsp. latifolia Frederick W. Oettinger 1969-8-19 1459 Siskiyou Along ridge between David Mountain and Abbotts Lake Basin and on the old Tanners Peak Trail 1905 Comment
  HSC17509  Persicaria lapathifolia C. B. Wolf 1927-8-26 990 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  HSC13648  Phacelia bicolor R. C. Wunner 1965-8-27 489 Siskiyou California Lava Beds National Monument, top of petroglyphs Comment
  HSC97703  Phacelia cookei Thomas W. Nelson, Jane Nelson 2006-7-1 9450 Siskiyou Along USFS Rd. 4319, Military Pass Rd., The Whaleback 1392 Comment
  HSC97684  Phacelia corymbosa Thomas W. Nelson, Jane Nelson 2006-7-1 9454 Siskiyou Along USFS Rd. 4319, Military Pass Rd., The Whaleback 1392 Comment
  RSA30619  Phacelia egena Lincoln Constance, R. C. Rollins 1942-5-14 2928 Siskiyou Shasta River, 4 miles north of Yreka. 762 Comment
  CDA40370  Phacelia greenei G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2646 Siskiyou Schoolhouse Hill, summit of Gazelle/Callahan Road, 11.3 km east of Callahan. Comment
  HSC65581  Phacelia hastata R. White 1977-7-1 93 Siskiyou Top of Sawtooth Mtn. 1761 Comment
  JEPS28695  Phacelia hastata subsp. compacta Harley P. Chandler June 1901 1655 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  UCD77218  Phacelia hastata subsp. compacta Robert E. Preston 2001-7-21 1734 Siskiyou Klamath National Forest, Rainbow Mountain, T42N R1W se 1/4 of ne 1/4 Section 22 2194 Comment
  HSC65628  Phacelia heterophylla subsp. virgata J. P. Smith 1976-5-22 8784 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  UC909961  Phacelia heterophylla subsp. virgata A. A. Heller 1916-6-23 12422 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  RSA47657  Phacelia linearis Roxana S. Ferris, Laura Lorraine 1948-6-12 11832 Siskiyou Gazelle Mtn grade, road betw Callahan and Gazelle. 1500 Comment
  SEINET3158192  Phacelia magellanica f. virgata G. D. Butler 1910-5-22 1386 Siskiyou Yreka Creek Comment
  HSC76763  Phacelia mutabilis K. T. Stillman 1976-9-9 494 Siskiyou Ridge above Paradise Lake Comment
  POM65547  Phacelia mutabilis E. B. Copeland 1903-8-16 3920 Siskiyou Mt. Shasta. Comment
  RSA215618  Phacelia mutabilis Gilbert Muth 1969-8-7 1234 Siskiyou Boulder Peak Ridge. 2470 Comment
  RSA238758  Phacelia mutabilis Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1208 Siskiyou Trail through Willow Springs between Abbotts Upper Cabin and English Lake. The High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1677 Comment
  HSC49932  Phacelia pringlei G. L. Clifton, Ground 1978-7-2 1810 Siskiyou Near Scott Mtn. Summit 1705 Comment
  JEPS118711  Phacelia pringlei Julie Kierstead Nelson 2010-6-3 2010 -012 Siskiyou Scott Mountain; Road 40N08 from Hwy. 3 at summit to Carmen Lake, at Pacific Crest Trail crossing. Comment
  SEINET12280311  Phacelia pringlei Unknown 1953-1 105 Siskiyou Cabin Meadow, 1 mi N of Cory Peak, Klamath National Forest 1844 Comment
  RSA602931  Phacelia procera Louis C. Wheeler 1958-8-21 7420 Siskiyou Siskiyou Mountains. Head of Hell's Canyon. Comment
  CAS-BOT-BC141449  Phacelia ramosissima var. eremophila Elmer I. Applegate 1935-6-5 9300 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  CHSC71515  Phalaris arundinacea Vernon H. Oswald; Lowell Ahart 1998-7-21 9327 Siskiyou Hwy. 97 between Weed and Macdoel at the west end of Grass Lake. Along the edge of the marsh. 1524 Comment
  HSC26599  Philadelphus californicus D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19539 Siskiyou Along Hwy. 96 about 8 mi. E of junction with Hwy. 5 Comment
  HSC79335  Philadelphus californicus D. H. Norris 1970-5-23 12239 Siskiyou Along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  RSA0058052  Philadelphus lewisii Frederick W. Oettinger 1967-6-23 145 Siskiyou Along road ca. 1/2 mi south of Kelly Gulch (Salmon River). The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 616 Comment
  UCD161718  Philadelphus lewisii J. P. Smith; Steve Selva 1970-6-14 3890 Siskiyou Siskiyou County. 1 mile east of Steinacher Creek Road, on road to Forks of Salmon. Comment
  SEINET3131072  Philadelphus lewisii var. californicus G. D. Butler 1910-6-12 1558 Siskiyou Yueka Creek Comment
  UC164130  Phlox diffusa Geo. D. Butler 1910-7-8 1688 Siskiyou Shackleford Creek 1371 Comment
  SEINET12279216  Phlox diffusa H. P. Chandler 1901-1 1591 Siskiyou Ridges and meadows near Marble Mountain 2134 Comment
  HSC39318  Phlox speciosa subsp. nitida J. P. Smith 1974-5-26 7382 Siskiyou Along FS Rd. 47N03 1524 Comment
  UC585201  Phlox speciosa subsp. nitida E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2014 Siskiyou about 1.5 mi w Mt. Shasta City (e and ne slope of spur of Rainbow Ridge, above Sulloway Creek); Rainbow Ridge 1188 Comment
  JEPS69987  Phlox speciosa subsp. occidentalis Geo. D. Butler 1909-4-13 650 Siskiyou near Yreka Comment
  UC673185  Phlox speciosa subsp. occidentalis Lincoln Constance and Reed C. Rollins 1942-5-13 2912 Siskiyou 2 mi nw Scott Bar (Scott River); Klamath-Siskiyou Region, Scott River 487 Comment
  RSA47600  Phlox speciosa subsp. occidentalis Roxana S. Ferris, Laura Lorraine 1948-6-12 11848 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle. 1500 Comment
  UCD77915  Phoenicaulis cheiranthoides Robert E. Preston 2002-6-20 1861 Siskiyou Klamath National Forest, Rainbow Mountain W ridge, on E-facing slope 1960 Comment
  CAS-BOT-BC135026  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
  UC163742  Phoradendron villosum Geo. D. Butler 1908-7-4 276 Siskiyou Shasta R. Comment
  CAS-BOT-BC56501  Phyllodoce empetriformis John Thomas Howell 1939-8-10 15266 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  UC562495  Phyllodoce empetriformis Joseph P. Tracy 1935-8-1 14406 Siskiyou Rock Lake, at extreme head of West Fork of Knownothin Creek, between Salmon and New Rivers West Fork Knownothin Creek; Rock Lake, West Fork Knownothin Creek 1889 Comment
  UC877014  Phyllodoce empetriformis John Thomas Howell 1939-8-6 15111 Siskiyou Marble Mountains, Elk Mountain Elk Mountain; Marble Mountains, Elk Mountain Comment
  CAS-BOT-BC140599  Physocarpus capitatus Doris K. Kildale 1928-7-25 5911 Siskiyou Klamath River at Mack's Creek near Hamburg Comment
  RSA6531  Picea breweriana Elmer I. Applegate 1930-8-9 6600 Siskiyou Fruit Mountain, Siskiyou Mountains, Headwaters of Applegate River. Comment
  UC1282035  Picea breweriana Alan Bell 1963-8-17 Siskiyou on glaciated granodiorite on slope sw of Log Lake (10 degrees e from summit of Bear Ridge on its ne side); Klamath National Forest, Scott Mountain 1965 Comment
  NY29987  Picea breweriana W. R. Dudley 1901-8-18 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UCD134308  Picea engelmannii J. M. Tucker 1963-7-5 3707 Siskiyou Lower Blake's Fork of South Russian Creek (a tributary to Salmon River), ca. 7 miles (airline) east of Siskiyou County. 1524 Comment
  JEPS110479  Pinus albicaulis Robert E. Preston 2001-6-23 1519 a Siskiyou Klamath National Forest, E peak of Rainbow Mountain. 2118 Comment
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Jun 3 2018
  UC141  Pinus albicaulis W. H. Brewer 1862-9-13 1400 Siskiyou Mount Shasta Comment
  POM215876  Pinus attenuata L. C. Wheeler 1935-4-14 3418 Siskiyou Siskiyou Mountains: West Fork Seiad Creek. (Mt. Diablo Mer.) 1159 Comment
  CAS-BOT-BC78408  Pinus balfouriana W. R. Dudley 1899-8-24 s.n. Siskiyou Top of Craggy Pk. Comment
  CAS-BOT-BC78713  Pinus jeffreyi Gilbert Muth 1966-7-27 457 Siskiyou Marble Gap, Marble Mts. 2042 Comment
  CAS-BOT-BC73097  Pinus lambertiana Doris K. Kildale 1929-5-11 7749 Siskiyou Cecilville, South Fork of Salmon River Comment
  HSC29670  Pinus lambertiana Frederick W. Oettinger 1968-9-3 686 Siskiyou Marble Mtn. Wilderness Area, near top of 'Rusty Ridge' where it grades into Frany Peak to the W of Horse Range Lake 2012 Comment
  SBBG349  Pinus monticola J. F. Davidson, J. M. Tucker 1947-5-17 1565 Siskiyou summit of Scott Mtn 2072 Comment
  UC401400  Pinus monticola Geo. D. Butler 1908-8-5 521 Siskiyou Cold Springs, Woolly Creek, Cold Springs Comment
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Nov 25 2011
  MACF017437  Pinus monticola Trudy R. Ericson 1974-8-9 225 Siskiyou Hwy 33 between Cecilville and Callahan, approx. 9.4 mi. west of intersection of forest hwy and Ca. 33 Comment
  UC618670  Piperia unalascensis W. Bridge Cooke 1938-7-22 11309 Siskiyou Wagon Camp meadow Mount Shasta, Wagon Camp 1737 Comment
  POM229184  Plagiobothrys greenei L. C. Wheeler 1938-5-18 3502 Siskiyou Siskiyou Mts.: Mt. Diablo Mer. Yreka Creek 854 Comment
  CAS-BOT-BC231001  Plagiobothrys hispidulus K. T. Stillman 1976-6-26 119 Siskiyou Near Bear Lake, Marble Mountain Wilderness Area 1828 Comment
  UCD77290  Plagiobothrys hispidulus Robert E. Preston 2002-6-20 1847 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope 1968 Comment
  JEPS68106  Plagiobothrys nothofulvus Geo. D. Butler 1909-5-2 694 Siskiyou Yreka Comment
  CHSC71289  Plagiobothrys tenellus Vernon H. Oswald; Lowell Ahart 1998-6-11 9177 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
  RSA237637  Platanthera Frederick W. Oettinger 1969-8-8 1287 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  HSC22080  Platanthera dilatata var. leucostachys J. O. Sawyer 1969-7-11 864 Siskiyou Ravine above C.C.C. road. 1280 Comment
  CHSC26184  Platanthera leucostachys J. P. Kroessing 1977-8-5 58 Siskiyou Panther Meadow, Mt Shasta n end of Everitt Memorial Hwy, ca 6 km s of Mt Shasta Peak. 2135 Comment
  HSC21996  Platanthera sparsiflora J. O. Sawyer 1969-8-5 1784 Siskiyou Along Sugar Creek. 1921 Comment
  JEPS109706  Platanthera sparsiflora Dean W. Taylor 2002-7-20 18253 Siskiyou Forest Road 17 ca. 3.3 miles west (above) junction with Stewart Springs Road, Parks Creek 1524 Comment
  UC224081  Plectritis brachystemon Dr. Edward Palmer Jul 13 1892-Jul 27 1892 2483 Siskiyou Mount Shasta and vicinity Mount Shasta Comment
  UC890145  Plectritis brachystemon W. Bridge Cooke 1941-6-7 16001 Siskiyou eastern base of Mount Eddy Mount Eddy 1066 Comment
  UC416747  Plectritis ciliosa subsp. ciliosa F. W. Hooper 18 Siskiyou Little Shasta Comment
  CAS-BOT-BC326711  Pleiacanthus spinosus C. E. Berry 1940-1-1 s.n. Siskiyou Unspecified Comment
  UCD92192  Poa AHM 1955-7-27 55 E Siskiyou Klamath National Forest. Marble Mountains. Pierce's Draw Meadow. 1676 Comment
  UCD90284  Poa annua A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3443 Siskiyou Near Happy Camp. Bank of Klamath River near habitations. Comment
  HSC30562  Poa bolanderi Frederick W. Oettinger 1969-9-2 1586 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow near Tom Taylor Cabin 2027 Comment
  POM259586  Poa bolanderi J. T. Howell 1939-8-9 15218 Siskiyou Sky High Valley, Marble Mountains. 1829 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
  HSC36818  Poa bulbosa J. P. Smith 1974-5-27 7615 Siskiyou Along FS Rd. 47N03 1280 Comment
  CAS-BOT-BC255056  Poa compressa L. P. Janeway 1983-8-26 599 Siskiyou Siskiyou Mountains. At Poker Flat, front edge of the upper part of the meadow 1524 Comment
  SEINET234712 Image available Poa fibrata Louis C. Wheeler 1935-6-30 3629 Siskiyou 3 miles south of Grenada Shasta Valley 790 Comment
  CHSC91222  Poa pratensis subsp. pratensis Lowell Ahart; John Dittes 2005-6-10 12127 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
  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
  UC1265428  Poa pratensis subsp. pratensis Frederick W. Oettinger and R. F. Thorne 1969-8-5 1191 Siskiyou trail English Lake to Abbotts (vicinity of English Peak); Salmon Mts, High Lake Basins, Marble Mt Wilderness Area Comment
  HSC39849  Poa rhizomata J. P. Smith 1973-5-5 6518 Siskiyou Along Cook and Green Pass Rd. Comment
  RSA602815  Poa secunda L. C. Wheeler 1935-6-9 3561 Siskiyou Siskiyou Mts.; Yreka Creek 1220 Comment
  UCD90457  Poa secunda L. Whitney 1934-6-29 2224 Siskiyou Antelope Creek, near Tennant. 1463 Comment
  UCR35819  Poa secunda L. C. Wheeler 1934-8-9 3076 Siskiyou Siskiyou Mountains, head of Jaynes Canyon, Mt. Diablo Meridian 1921 Comment
  JEPS101878  Poa secunda subsp. juncifolia Dean W. Taylor 1987-6-24 9060 Siskiyou Tom Young Flat 1280 Comment
  SDSU2782  Poa secunda subsp. juncifolia D. F. Howe 1977-7-1 4977 Siskiyou 10 miles north of Weaverville on #3 792 Comment
  CAS-BOT-BC243233  Poa secunda subsp. secunda A. A. Heller 1919-6-25 13266 Siskiyou Compton's prairie, N base of Mount Eddy 1158 Comment
  CAS-BOT-BC243238  Poa secunda subsp. secunda John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53443 Siskiyou 7 miles E of Callahan on road to Gazelle 1173 Comment
  CAS-BOT-BC243239  Poa secunda subsp. secunda John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53435 Siskiyou Along E Fork Scott River 2 miles E of Callahan on road to Gazelle 990 Comment
  CAS-BOT-BC482452  Poa secunda subsp. secunda Dana York 2011-8-13 3062 Siskiyou Marble Mountain Wilderness, Klamath National Forest, slopes of Black Marble Mountain 2110 Comment
  HSC30674  Poa wheeleri Frederick W. Oettinger 1969-8-25 1545 Siskiyou Along Tanner Peak Trail, 400 yards. down from English Peak Trail. 2012 Comment
  CHSC96026  Polemonium californicum L. P. Janeway 2006-7-3 8754 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead near upper Music Creek. 1893 Comment
  JEPS84249  Polemonium californicum L. R. Heckard with J. Hickman et al. 1986-7-17 6517 Siskiyou n slope of Condrey Mt. 1960 Comment
  SEINET5732309 Image available Polemonium californicum J. M. Tucker 1963-1 3725 Siskiyou In vicinity of Paradise Lake, at the base of Kings Castle on the east side, Marble Mountain Wilderness Area.; Paradise Lake 1981 Comment
  CAS-BOT-BC263240  Polemonium carneum R. Stubbs 2010-6-25 010 Siskiyou 1.08 mile SE of Deadwood historical marker. West of Yreka 1331 Comment
  NY337051  Polemonium carneum E. L. Greene Siskiyou Yorka Comment
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Nov 26 2011
  UC796566  Polemonium micranthum Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11836 Siskiyou road between Callahan and Gazelle (Gazelle Mountain grade); , rd btw Callahan and Gazelle 1499 Comment
  UCD118481  Polemonium micranthum R. N. Raynor 1940-4-16 s.n. Siskiyou Dorris. Comment
  UCR64581  Polemonium pulcherrimum J. P. Smith, J. O. Sawyer 1972-6-30 5642 Siskiyou Ridge west of Little Duck Lake 2378 Comment
  HSC67490  Polygala californica J. P. Smith, Steve Selva 1970-6-14 3889 Siskiyou 1 mi. E of Steinacher Creek Rd. on Rd. to Forks of Salmon Comment
  JEPS25541  Polygala cornuta var. cornuta Rimo Bacigalupi with Lincoln Constance 1959-6-17 7158 Siskiyou slopes across from junction of Big Springs Road with US 97 (4 mi ne of Weed) 1066 Comment
  JEPS93927  Polygala cornuta var. cornuta Vernon H. Oswald and Lowell Ahart 1998-8-3 9411 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.5 mi se of Gazelle-Callahan Road; Kangaroo Lake Road 1493 Comment
  OBI55528  Polygala cornuta var. cornuta David J. Keil, Kathleen Keil 1992-7-21 23517 Siskiyou Klamath Natl Forest SE of Callahan on hwy 3, 2.1 mi NW of Scott Mtn summit Comment
  RSA2055  Polygala cornuta var. cornuta Carl B. Wolf 1930-10-22 1756 Siskiyou 3 miles N of Mt. Shasta City on the Pacific Hwy 1220 Comment
  UC17452  Polygala cornuta var. cornuta Milo S. Baker 1893-8-20 Siskiyou Dunsmuir Sac. Canyon Comment
  UC164406  Polygonum aviculare subsp. buxiforme Geo. D. Butler 1908-6-24 181 Siskiyou near Yreka Comment
  RSA233652  Polygonum davisiae Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38986 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  CAS-BOT-BC414604  Polygonum douglasii A. A. Heller 1916-7-20 12121 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  HSC78329  Polygonum douglasii L. P. Janeway 1983-7-31 478 Siskiyou Poker Flat, upper portion of meadow. 1524 Comment
  RSA756974  Polygonum douglasii Barbara J. Ertter 1990-7-14 93101 Siskiyou East side of Mount Eddy about 4 air miles due west of Mount Shasta City, at streamlet near end of Forest Road 41N53, about 1 mile north of Morgan Meadows. 1677 Comment
  UC1950092  Polygonum douglasii Barbara Ertter 1990-7-14 9310 Siskiyou E side of Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mi N of Morgan Meadows, steep E-facing serpentine hillside Comment
  CAS-BOT-BC414593  Polygonum douglasii Alice Eastwood 1921-7-24 10774 Siskiyou Castle Lake Comment
  CAS-BOT-BC414598  Polygonum douglasii Louis C. Wheeler 1934-7-3 2860 Siskiyou Klamath National Forest. Soda Creek 1676 Comment
  HSC32769  Polygonum douglasii Frederick W. Oettinger 1969-8-12 1350 Siskiyou Marble Mtn. Wilderness Area, trail side above Willow Spring on English Lake trail 1677 Comment
  CHSC71597  Polygonum douglasii subsp. spergulariiforme Vernon H. Oswald; Lowell Ahart 1998-8-3 9405 Siskiyou Junction of Gazelle-Callahan Rd. and USFS 41N03 11.5 mi west of Gazelle. 1524 Comment
  JEPS75025  Polygonum douglasii subsp. spergulariiforme L. R. Heckard and R. Bacigalupi 1975-10-9 4209 Siskiyou along Dunsmuir Avenue about 1 mi s Dunsmuir (just off Interstate 5, bottom of road bank) Comment
  SEINET10733869  Polygonum newberryi Andrew Townesmith, Karen M. Meyer 2007-7-30 Townesmith 871 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. T41N R3W S33 NW 1/4. 2399 Comment
  CAS-BOT-BC419873  Polygonum polygaloides subsp. confertiflorum Herbert L. Mason 1948-7-17 13595 Siskiyou Eastern Grass Lake Comment
  CAS-BOT-BC420152  Polygonum ramosissimum subsp. ramosissimum Wm. Bridge Cooke 1940-8-2 15403 Siskiyou Mount Shasta. Along the road in Bear Springs meadow. Comment
  UC1191238  Polygonum sawatchense subsp. oblivium Herbert L. Mason 1948-7-18 13623 Siskiyou Grass Lake Comment
  UCSB27393  Polygonum shastense Wilken, Dieter 1969-7-26 Siskiyou Summit of Mt. Shasta Ski Bowl Road, south slope of Mt. Shasta 2895 Comment
  POM144986  Polygonum shastense C. F. Baker 1903-8-16 3892 Siskiyou Mt Shasta 2439 Comment
  HSC19186  Polygonum spergulariiforme J. O. Sawyer 1968-9-10 686 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  CAS-BOT-BC233037  Polypogon interruptus Doris K. Kildale 1928-7-25 5894 Siskiyou Klamath River, Mack's Creek, near Hamburg Comment
  JEPS73743  Polypogon monspeliensis George D. Butler 1908-6-27 471 Siskiyou along creek Butler's Ranch near Yreka; Butler's Ranch Comment
  POM210936  Polystichum californicum L. C. Wheeler 1934-8-16 3172 Siskiyou Siskiyou Mountains: 2 mi. east of White Mt. 1920 Comment
  POM215873  Polystichum imbricans L. C. Wheeler 1935-4-16 3421 Siskiyou Soap Creek, Siskiyou Mountains. (Mt Diablo Mer.) 1585 Comment
  CAS-BOT-BC76775  Polystichum imbricans subsp. imbricans A. A. Heller 1905-6-17 8061 Siskiyou Near Sisson Comment
  UC375479  Polystichum imbricans subsp. imbricans W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson; Mt. Shasta 1676 Comment
  CAS-BOT-BC76731  Polystichum imbricans subsp. imbricans J. H. Thomas 1954-5-14 4176 Siskiyou Salmon Mountains, Klamath National Forest - near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, 1219 Comment
  CAS-BOT-BC76738  Polystichum imbricans subsp. imbricans Louis C. Wheeler 1945-6-18 45079 Siskiyou Siskiyou Mts. - 2 miles east of White Mt., Mt. Diablo Mer. 1920 Comment
  UCD78118  Polystichum kruckebergii Robert E. Preston 2001-6-23 1590 b Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W nw 1/4 of ne 1/4 Section 23 1950 Comment
  CAS-BOT-BC76714  Polystichum lemmonii Dr. E. B. Copeland 1903-1-1 3814 Siskiyou Mt. Eddy 1676 Comment
  CHSC99998  Polystichum lemmonii L. P. Janeway 2008-7-25 9495 Siskiyou Klamath Ranges. Siskiyou Mountains; rock wall at head of Hello Canyon, 0.6 air km east of Kangaroo Mountain. 1817 Comment
  SBBG27542  Polystichum lemmonii L. C. Wheeler 1934-8-14 3137 Siskiyou N side of White Mtn; Siskiyou Mtns 1767 Comment
  RSA123580  Polystichum lemmonii G. D. Barbe 1955-7-9 147 Siskiyou Among rocks beside a stream on SW shore of Kangaroo Lake, Scott Mts. 1829 Comment
  UC371156  Polystichum lemmonii G. D. Butler 1908-8-5 238 Siskiyou meadow below Cold Spring (Wooly Creek) Comment
  CAS-BOT-BC72399  Polystichum lonchitis Louis C. Wheeler 1934-8-6 3058 Siskiyou Rock Gulch off Jaynes Canyon, Siskiyou Mts. 1828 Comment
  CAS-BOT-BC72512  Polystichum scopulinum Louis C. Wheeler 1934-8-6 3059 Siskiyou Klamath National Forest, Rock Gulch 1828 Comment
  SBBG27193  Polystichum scopulinum L. C. Wheeler 1934-8-6 3059 Siskiyou Rock Gulch off Jaynes Cyn, Siskiyou Mtns 1828 Comment
  RSA85049  Polystichum scopulinum L. C. Wheeler 1934-8-6 3059 Siskiyou Siskiyou Mountains: Rocky Gulch off Jaynes Canyon. Mt. Diablo Mer. 1829 Comment
  UC375241  Populus tremuloides Geo. D. Butler 1908-8-3 533 Siskiyou Log Lake , Shackleford Creek (Shackleford Creek) Comment
  UC618728  Populus tremuloides W. Bridge Cooke 1938-8-23 11577 Siskiyou top of the Shastina Lava Park Mount Shasta (n side Shastina); , , n side Shastina Comment
  CAS-BOT-BC102953  Populus trichocarpa John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53413 Siskiyou Oro Fino 853 Comment
  CAS-BOT-BC102958  Populus trichocarpa W. B. C. 1939-8-10 13855 Siskiyou in the upper portion of Mud Creek Canyon 1828 Comment
  HSC67610  Potamogeton crispus J. P. Smith, Steve Selva 1970-7-16 4380 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  CAS-BOT-BC267172  Potamogeton foliosus A. A. Heller 1925-7-28 13908 Siskiyou In Abrams Lake near the town of Mount Shasta 1066 Comment
  HSC90541  Potentilla breweri Jennifer Whipple 1976-7-8 1376 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC1560736 Image available Potentilla cristae W. J. Ferlatte 1989-8-5 2120 Siskiyou e Cory Peak (above headwaters of Cabin Meadow Creek); China Mt. SE Quad., e of Cory Peak, Cabin Meadow Creek 2194 Comment
  UC1560739 Image available Potentilla cristae W. J. Ferlatte 1988-8-10 2115 Siskiyou n-facing slope e Cory Peak (above headwaters of Cabin Meadow Creek); China Mt. se Quad., abv headwaters Cabin Meadow Creek 2194 Comment
  CAS-BOT-BC142032  Potentilla drummondii Doris K. Kildale 1928-8-19 6524 Siskiyou English Lake - head of north fork of Salmon River 1828 Comment
  HSC18937  Potentilla flabellifolia J. O. Sawyer 1969-6-13 1070 Siskiyou W of Little Duck Lake 2043 Comment
  UCR52571  Potentilla glandulosa Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  CHSC1574  Potentilla glandulosa subsp. ashlandica M. Yoder 1941-7-12 Siskiyou Castle Lake. 1981 Comment
  RSA68938  Potentilla glandulosa subsp. ashlandica A. E. Culbertson 1943-7-17 20 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall, 14 miles s.w. of Mt Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  SEINET3156934  Potentilla glandulosa var. nevadensis F. M. Reed 1908-7-13 2534 Siskiyou near old Loy cabin N side of Tak Quartz Valley. San Jacinto Mts. 2621 Comment
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Dec 7 2014
  UC60973  Potentilla gracilis var. flabelliformis Geo. B. Grant September 1902 5086 Siskiyou Sisson Mount Shasta, Sisson 914 Comment
  HSC65492  Prosartes hookeri R. White 1977-7-21 124 Siskiyou Slope below outlet of Raspberry Lake. 1512 Comment
  HSC69544  Prosartes hookeri Maralyn A. Renner 1980-8-6 2241 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  CAS-BOT-BC158219  Prunus emarginata Laura M. Lathrop 1903-7-16 s.n. Siskiyou Shasta Retreat Comment
  CAS-BOT-BC158231  Prunus emarginata C. B. Wolf 1931-9-1 2388 Siskiyou 1/4 mile north of Entrance to Shasta Springs 914 Comment
  CAS-BOT-BC158241  Prunus emarginata Wm. Bridge Cooke 1938-6-17 11011 Siskiyou Sisson Southern Trail Comment
  RSA23400  Prunus emarginata Annetta Carter 1939-8-19 s.n. Siskiyou 3.5 miles N of Dunsmuir. 915 Comment
  UC1368677  Prunus persica W. B. and V. G. Cooke 1968-7-4 39264 Siskiyou Mount Shasta, along Everett Memorial Hwy Mount Shasta 1310 Comment
  CAS-BOT-BC159451  Prunus virginiana var. demissa A. A. Heller 1905-6-5 7965 Siskiyou Between Shasta Retreat and Shasta Springs. Just below Shasta Springs, on the Sacramento, growing near the water. Comment
  CDA26217  Prunus virginiana var. demissa G. D. Barbe 1973-8-14 1705 Siskiyou Site of proposed quarantine station south of Mt. Shasta City, west side of Inter State 5. Comment
  HSC18834  Prunus virginiana var. demissa D. M. Thomson 1965-7-10 134 Siskiyou Lava Beds N.M., 0.5 mi. S on main rd. from information center Comment
  HSC76874  Prunus virginiana var. demissa K. T. Stillman 1976-6-26 136 Siskiyou Marble Mtn. Wilderness Area, Kings Castle 2134 Comment
  UC1409342  Prunus virginiana var. demissa Frederick W. Oettinger 1968-9-5 702 Siskiyou above English Lake (High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  RSA17456  Prunus virginiana var. melanocarpa Elmer I. Applegate 1935-6-5 9305 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  CAS-BOT-BC239816  Pseudoroegneria spicata Geo. D. Butler 1910-6-23 1600 Siskiyou Yreka Comment
  POM211404  Pseudoroegneria spicata subsp. spicata L. C. Wheeler 1934-6-29 2831 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1067 Comment
  RSA237417  Pseudotsuga menziesii Frederick W. Oettinger 1968-8-15 528 Siskiyou On the ridge above Hell Hole at the northeast side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  HSC69562  Pseudotsuga menziesii var. menziesii Maralyn A. Renner 1980-8-6 2286 Siskiyou Along trail, 0.5 mi. SE of Cyclone Gap. 1585 Comment
  JEPS101317  Psilocarphus oregonus Dean W. Taylor 1999-6-9 17241 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  UC456177  Pterospora andromedea I. J. Condit 1909-8-23 Siskiyou Sisson 1524 Comment
  CAS-BOT-BC460550  Pterospora andromedea G. P. Rixford no date on label s.n. Siskiyou Hilt Comment
  UCD169447  Puccinellia distans Lowell Ahart; John Dittes 2005-6-9 12002 Siskiyou About 2 1/2 miles (air) east-southeast of Grenada, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 300 yards east of where cattle water in the Shasta River, on the east side of a poor rock fence. 774 Comment
  UCD91526  Puccinellia distans A. A. Beetle; G. L. Stebbins 1942-5-31 3422 Siskiyou 6 miles north of Gazelle. Comment
  CAS-BOT-BC147892  Purshia tridentata var. tridentata Doris K. Kildale; J. W. Gillespie 1929-6-22 8030 Siskiyou Base of Black Butte, Mt. Shasta Comment
  CAS-BOT-BC147902  Purshia tridentata var. tridentata Carl B. Wolf 1927-8-26 1033 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  CAS-BOT-BC147905  Purshia tridentata var. tridentata C. H. M. 1919-9-24 s.n. Siskiyou Ager Comment
  HSC60169  Purshia tridentata var. tridentata J. P. Smith 1976-5-22 8780 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  JEPS18600  Purshia tridentata var. tridentata Geo. D. Butler 1908-7-4 285 Siskiyou Yreka Comment
  UC1539993  Purshia tridentata var. tridentata Roseberry 1936-5-15 33 Siskiyou 0.5 mi e Caldwell Butte; Lava Beds National Monument 1371 Comment
  RSA0082809  Pyrola aphylla M. B. Dunkle 1944-8-8 9166 Siskiyou Hungry Creek. 1768 Comment
  CAS-BOT-BC465508  Pyrola asarifolia Alice Eastwood 1912-7-17 1175 Siskiyou Sisson Comment
  HSC67672  Pyrola crypta John Palmer 1980-7-24 593 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  RSA0080540  Pyrola crypta Frederick W. Oettinger 1969-8-31 1570 Siskiyou North side of English Peak along Tanner's Peak Trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  SEINET11977316  Pyrola dentata M. Ownbey, Meyer, F. G. 1940-1 2225 Siskiyou near summit of Siskiyou Mountains, 17 mi N of Happy Camp Comment
  HSC19197  Pyrola picta J. O. Sawyer 1968-6-18 202 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  JEPS93912  Pyrola picta Vernon H. Oswald and Lowell Ahart 1998-8-3 9432 Siskiyou w of Kangaroo Lake (near the Pacific Trail in the Scott Mountains); Scott Mountains 1981 Comment
  SJSU6519  Pyrola picta R. W. Trivelpiece 1972-6-28 142 Siskiyou Red Hill, 10 mi W of Klamath R, c. 15 mi SW of Happy Camp 1645 Comment
  CAS-BOT-BC362384  Pyrrocoma racemosa var. racemosa Thos. C. Fuller 1958-8-13 s.n. Siskiyou Scott Valley, 5 mi. s. of Ft. Jones Comment
  CAS-BOT-BC362390  Pyrrocoma racemosa var. racemosa Geo. D. Butler 1910-8-21 1843 Siskiyou Shasta Valley Comment
  CAS-BOT-BC68649  Quercus chrysolepis Louis C. Wheeler 1934-9-4 3242 Siskiyou Bear Creek off West Fork Beaver Creek, Siskiyou Mts. 1371 Comment
  UC585068  Quercus garryana E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1946 Siskiyou about 8 mi s Yreka 822 Comment
  CAS-BOT-BC62758  Quercus garryana var. breweri John Thomas Howell 1939-8-2 14918 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UCR37560  Quercus garryana var. garryana K. B. Barrows, C. G. Phillips, L. Cole, S. A. Haultain 1984-5-27 108 Siskiyou Scott River Road, 10.6 mi. north of Indian Scotty Campground 610 Comment
  RSA120900  Quercus garryana var. garryana Milo S. Baker 1957-6-16 13647 B Siskiyou Along Highway S of Gazelle. Comment
  UCD46169  Quercus garryana var. semota Frederick W. Oettinger 1968-8-18 574 Siskiyou The High Lake Basins in the Vicinity of English Peak Marble Mountain Wilderness area. 1920 Comment
  RSA748771  Quercus kelloggii K. M. Meyer, A. Townesmith 2007-8-4 190 Siskiyou Klamath National Forest, 0.6 mi. on right fork, 6 mi. on Rd. 7J001 out of Yreka, CA (road past the water tower). 1286 Comment
  JEPS37855  Quercus sadleriana Geo. D. Butler 1908-8-4 234 Siskiyou Wooly Creek 1676 Comment
  RSA493211  Quercus sadleriana Sandra Holloway 1963-10-12 77 Siskiyou Junction Red Rock Valley trail and Canyon Creek trail, Marble Mountain Wilderness Area. 1341 Comment
  UCD47260  Quercus sadleriana John M. Tucker 1972-8-8 4247 A Siskiyou (Q. garryana Hook. var. breweri (Engelm.) Jepson). California, Siskiyou Co.; Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 mi. west-southwest of Marble Valley Guard Station (extreme southeast corner of Section 20, R.11W., T.42N. 1828 Comment
  CAS-BOT-BC104622  Quercus vacciniifolia Doris K. Kildale 1929-8-24 8835 Siskiyou Preston Peak 2225 Comment
  CAS-BOT-BC104625  Quercus vacciniifolia Alice Eastwood 1912-8-28 1948 Siskiyou Cantara Comment
  HSC19226  Quercus vacciniifolia J. O. Sawyer 1968-9-10 678 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  POM210972  Quercus vacciniifolia Louis C. Wheeler 1934-8-8 3066 Siskiyou W Fork Beaver Creek, Siskiyou Mts. Mt Diablo Mer 1677 Comment
  UCD47463  Quercus vacciniifolia D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-13 s.n. Siskiyou Callahan-Cecilville. Cecilville Road. Klamath National Forest. 1650 Comment
  SEINET10437620  Quercus vacciniifolia G. D. Butler 1910-7-12 1760 Siskiyou Shackleford Creek. 1372 Comment
  JEPS58998  Raillardella pringlei Douglas Barbe 1959-7-11 538 Siskiyou 15 mi w Shasta National Forest (stream flowing nw from Gumboot Lake, headwaters of the South Fork Sacramento River); South Fork Sacramento River 1767 Comment
  SEINET11805954  Raillardella pringlei C. G. Pringle 1882-1 s.n. Siskiyou head of Sacramento River Comment
  CAS-BOT-BC186688  Ranunculus Gilbert Muth 1966-7-8 355 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  HSC86556  Ranunculus gormanii D. K. Imper Jul 1987 Siskiyou Marble Mtn. Wilderness Area, Haypress Meadow, 8 mi. E of Somes Bar 1372 Comment
  UC827914  Ranunculus occidentalis Frank W. Gould 1940-5-15 1252 Siskiyou on road from Mt. Hebron to Montague; Bald Mountain 1676 Comment
  CHSC1488  Ranunculus occidentalis var. dissectus V. Holt 1943-8-7 Siskiyou Marble mountains. 1828 Comment
  POM99425  Ranunculus occidentalis var. eisenii Geo. D. Butler 1908-6-28 362 Siskiyou Siskiyou county: Meadow near Oro Fino Comment
  POM311435  Ranunculus repens D. E. Breedlove 1962-6-10 3330 Siskiyou N bank of the Klamath River at its jct with Goff Creek, 4.5 miles W of Seiad. 412 Comment
  UCD97134  Ranunculus testiculatus T. C. Fuller 1970-3-24 19359 Siskiyou Yreka, Juvenile Hall, s. of junct. of Annie and State Streets. Comment
  JEPS41969  Rhamnus purshiana Willis L. Jepson 1894-1 13967 Siskiyou Sisson Upper Sacramento Region Comment
  CAS-BOT-BC65498  Rhamnus rubra Julie Kierstead Nelson; Rhonda Posey 2007-6-15 2007 -009 Siskiyou North side of Mount Shasta, S of Hwy 97, along Forest Service Rd 42N73, ca 4 mi NE of town of Weed. 1090 Comment
  UC455434  Rhamnus rubra I. J. Condit 1911-7-13 Siskiyou Dunsmuir Comment
  UCD77802  Rhododendron columbianum Robert E. Preston 2002-7-13 1919 Siskiyou Klamath National Forest, Rainbow Lake 1828 Comment
  CAS-BOT-BC200398  Rhododendron occidentale var. paludosum Jessie P. Rose 1908-6-13 80 Siskiyou Sacramento River at Dunsmuir Comment
  HSC68401  Rhododendron occidentale var. paludosum Maralyn A. Renner 1980-7-4 1453 Siskiyou Clear Creek Trail, N of Trout Camp 1037 Comment
  POM146272  Rhododendron occidentale var. paludosum J. B. Feudge 1927-7-22 1729 Siskiyou Trail [sisson] to Mt. Eddy. 1524 Comment
  RSA0023967  Ribes indecorum Marcus E. Jones 1931-7-17 s.n. Siskiyou Shasta City (Session s). Comment
  RSA0021094  Ribes inerme var. klamathense Geo. D. Butler 1910-4-9 1160 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC173288  Ribes lacustre Doris K. Kildale 1929-7-20 8667 Siskiyou Raspberry Lake, upper Indian Creek 1828 Comment
  CAS-BOT-BC173380  Ribes lobbii Doris K. Kildale 1928-8-18 6436 Siskiyou Near head of north fork of Salmon River at Finley's Upper Camp 1524 Comment
  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
  HSC99339  Ribes lobbii G. L. Clifton 1979-7-1 6195 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  UC1736425  Ribes lobbii Dean W. Taylor 1999-6-10 17249 Siskiyou Marble Mountains, Mill Creek, ca. 4 miles W from Mugginsville in Quartz Valley, northerly facing slopes near watershed divide with Kidder Creek 1584 Comment
  UCD102253  Ribes lobbii Geo C. Wood 1940-4-30 s.n. Siskiyou Yreka. Comment
  RSA0021148  Ribes lobbii Geo. D. Butler 1910-7-14 1782 Siskiyou Shackleford Creek. Comment
  HSC34291  Ribes marshallii J. P. Smith, J. O. Sawyer 1973-8-14 7285 Siskiyou On trail from Campbell Lake to Cliff Lake 1585 Comment
  CAS-BOT-BC217879  Ribes nevadense Elmer I. Applegate 1895-5-29 197 Siskiyou Base of Mount Shasta, near Sisson, Strawberry Valley Comment
  CAS-BOT-BC217882  Ribes nevadense Lester Rowntree 1937-7-23 s.n. Siskiyou Caribou Lake Comment
  CAS-BOT-BC219266  Ribes nevadense A. A. Heller 1905-6-16 8047 Siskiyou Sisson Comment
  CAS-BOT-BC219274  Ribes nevadense A. A. Heller 1905-6-5 7967 Siskiyou Near Shasta Springs Comment
  HSC68479  Ribes roezlii var. cruentum Maralyn A. Renner 1980-6-8 815 Siskiyou Slopes N of Moffett Creek 945 Comment
  JEPS8478  Ribes sanguineum Rimo Bacigalupi with J. P. Tracy, L. Constance, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-16 3455 Siskiyou about 1.5 mi below and se of saddle at summit Takilma-Happy Camp road Comment
  SEINET5339795  Ribes velutinum G. Butler 1910-5-21 1374 Siskiyou Klamath River Comment
  HSC23472  Ribes viscosissimum J. O. Sawyer 1968-6-25 293 Siskiyou NE of N Horse Range Lake 2012 Comment
  HSC61947  Ribes viscosissimum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  JEPS25634 Image available Ribes viscosissimum Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7273 Siskiyou Poker Flat 1536 Comment
  SEINET200856 Image available Ribes viscosissimum H. P. Chandler 1597 Siskiyou North Coast Ranges; rdiges and meadows near Marble Mountain 2134 Comment
  SEINET12220409  Ribes viscosissimum H. P. Chandler 1901-1 1597 Siskiyou near Marble Mountain, North Coast Ranges 2134 Comment
  HSC43151  Rorippa curvisiliqua Ken Stillman 1976-8-24 427 Siskiyou Along the Klamath River at Williams Point 366 Comment
  CAS-BOT-BC74660  Rorippa curvisiliqua Gilbert Muth 1966-7-19 423 Siskiyou Marble Mountains. Horse pasture above camp. 1798 Comment
  POM88100  Rosa californica Geo. D. Butler 1910-5-16 1352 Siskiyou Yreka. Comment
  SEINET8986557  Rosa eastwoodiae Unknown 1912-1 2100 (15) Siskiyou Sisson, Siskiyou County. Comment
  CAS-BOT-BC146763  Rosa gymnocarpa Ira L. Wiggins 1955-7-23 13476 Siskiyou Banks of China Creek 1097 Comment
  HSC24700  Rosa gymnocarpa J. O. Sawyer 1969-6-11 829 Siskiyou Lower slope near C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  HSC96805  Rosa gymnocarpa S. Lyon 2006-6-2 2 Siskiyou E side of Eddy Gulch Rd., 3 mi. S of the intersection with Sawyers Bar Rd. 915 Comment
  POM140328  Rosa gymnocarpa E. B. Copeland 1903-9-5 3874 Siskiyou Foot of Mt Eddy 1220 Comment
  UC2046561  Rosa gymnocarpa William J. Ferlatte 1974-7-13 1512 a Siskiyou south side of South Fork of Salmon River between Big Flat and the falls Comment
  CAS-BOT-BC147070  Rosa pisocarpa Dorothy Parker 1948-8-19 s.n. Siskiyou Summit of Scott Mountain 1582 Comment
  HSC101757  Rosa pisocarpa J. P. Smith, J. O. Sawyer 2011-9-3 13407 Siskiyou Fence row along Cole Rd. to Siskiyou Summit 910 Comment
  RSA237788  Rosa pisocarpa Frederick W. Oettinger 1969-8-22 1510 Siskiyou Margin of meadow NW side of Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  UC60895  Rosa woodsii var. ultramontana W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson Comment
  UC861594  Rubus glaucifolius Louis C. Wheeler 1934-8-31 3233 Siskiyou Bear Creek off West Fork Beaver Creek; Siskiyou Mts, Bear Creek off West Fork Beaver Creek 1767 Comment
  UCR95195  Rubus lasiococcus L. C. Wheeler 1963-8-29 8307 Siskiyou Siskiyou Mountains: W fork Clear Creek 1433 Comment
  HSC34142  Rubus macropetalus J. O. Sawyer 1969-7-26 1590 Siskiyou Along Sugar Creek 1707 Comment
  CAS-BOT-BC147309  Rubus parviflorus Gilbert J. Muth 1969-8-10 1353 Siskiyou Red Mountain Ridge Comment
  JEPS44777  Rubus ursinus W. L. Jepson July, 1894 13881 Siskiyou Sisson Comment
  UC1282030  Rudbeckia klamathensis Louise Kellogg 1953-8-8 111 Siskiyou on road between Callahan and Trinity Center; Mule Creek, Scott Mountain, Klamath National Forest 1402 Comment
  UC1023810  Rumex acetosella Douglas Barbe 1955-6-29 41 Siskiyou 1.8 mi e Callahan (s bank of Scott River); Klamath Mountains, Scott River 975 Comment
  UCR46263  Rumex acetosella G. R. Ballmer 1986-5-14 s.n. Siskiyou Disturbed roadside at Dunsmuir Comment
  CAS-BOT-BC422220  Rumex acetosella Gilbert Muth 1966-7-18 412 Siskiyou Marble Gap Trail, above Marble Valley, Marble Mts. 1828 Comment
  JEPS124694 Image available Rumex acetosella P. L. Billings 1965-7-19 125 Siskiyou 7 mi North of McCloud. Meadow beside roadway on HWY 89. Comment
  UC55517  Rumex acetosella T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC103367  Salix bonplandiana Thos. Howell 1889-4-14 1393 Siskiyou Hornbrook Comment
  JEPS80592  Salix eastwoodiae Gilbert Muth 1966-8-3 498 Siskiyou Marble Mountain Wilderness Area, Marble Valley Marble Valley; Marble Mountain Wilderness Area, Marble Valley 1792 Comment
  UC1409264  Salix eastwoodiae Frederick W. Oettinger 1968-9-3 690 Siskiyou near Horse's Hole Horse Range Lake Basin; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1828 Comment
  RSA105505  Salix exigua G. D. Barbe 1955-6-28 8 Siskiyou 0.8 mile N of Callahan near Hjertagers' Mill. 976 Comment
  UC1409262  Salix jepsonii Frederick W. Oettinger 1968-9-4 697 Siskiyou slope s.e. of Abbott's Lake; Salmon Mts, High Lake Basins, Englis 1767 Comment
  RSA610757  Salix laevigata Louis C. Wheeler 1935-5-11 3474 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  RSA0038286  Salix lasiandra H. P. Bracelin 1931-6-19 411 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City. 1425 Comment
  UC449838  Salix lasiandra subsp. lasiandra L. S. Smith 1931-6-1 20 Siskiyou near Mt. Shasta Mt. Shasta 1066 Comment
  UC482236  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1931-6-19 411 Siskiyou ca. 16 km. n.w. Shasta City (stream above Metcalf ranch house, n.e. side Mt. Eddy); Mt. Eddy 1425 Comment
  CAS-BOT-BC125463  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; above Metcalf ranch house 1350 Comment
  CAS-BOT-BC125468  Salix lasiandra var. lasiandra W. B. Cooke; V. G. Cooke 1977-9-22 54823 Siskiyou Near Deter Camp, Mt. Shasta Comment
  SJSU274  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 411 Siskiyou stream above Metcalf ranch house, NE side of Mt Eddy, c. 16 km NW of Shasta City 1432 Comment
  CAS-BOT-BC107064  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 412 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1425 Comment
  CAS-BOT-BC107076  Salix lasiolepis Mrs. H. P. Bracelin 1936-5-12 845 Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  POM362720  Salix lasiolepis H. P. Bracelin 1931-6-19 411 Siskiyou NE side of Mt Eddy. About 16 km NW of Shasta City. Above Metcalf ranch house. 1425 Comment
  UC375238  Salix lasiolepis Geo. D. Butler 1908-7-19 153 Siskiyou head of gulch near Yreka; Long Gulch Comment
  CAS-BOT-BC124540  Salix lasiolepis var. lasiolepis Louis C. Wheeler 1934-12-16 3363 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  CAS-BOT-BC128310  Salix lasiolepis var. lasiolepis Alice Eastwood 1921-7-28 10895 Siskiyou Medicine Lake on hills. Comment
  SBBG57902  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou ca. 21 km NW of Shasta City, 180 m below Dobkin's Lake, N side of Mount Eddy 1770 Comment
  UCR66565  Salix lucida subsp. lasiandra L. C. Wheeler 1934-7-5 2893 Siskiyou Siskiyou Mtns., Hungry Creek 1372 Comment
  UC449844  Salix melanopsis L. S. Smith 1931-6-1 14 Siskiyou near Mt. Shasta Mt. Shasta 1066 Comment
  CAS-BOT-BC125691  Salix melanopsis W. R. Dudley 1901-8-25 s.n. Siskiyou By road, South Fork Scotts Comment
  CAS-BOT-BC126150  Salix scouleriana L. E. Smith 1914-3-28 612 Siskiyou Weed Comment
  CAS-BOT-BC126168  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 445 Siskiyou East side of Mount Eddy, about 17 km. northwest of Shasta City; in Wagon Creek Canyon, about 1 km. up from Metcalf ranch house 1170 Comment
  CAS-BOT-BC126169  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 444 Siskiyou East side of Mount Eddy, about 17 km. northwest of Shasta City; in Wagon Creek Canyon, about 1 km. up from Metcalf ranch house 1170 Comment
  CAS-BOT-BC129035  Salix scouleriana Geo. B. Grant 1902-9-11 5168 Siskiyou Sisson 1127 Comment
  CAS-BOT-BC129045  Salix scouleriana W. R. Dudley 1899-8-8 s.n. Siskiyou Near Big Spring above Sisson Comment
  POM107274  Salix scouleriana Geo. D. Butler 1908-8-11 148 Siskiyou Shackleford Creek. Comment
  RSA238268  Salix scouleriana Frederick W. Oettinger 1969-8-24 1524 Siskiyou Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1784 Comment
  SBBG27416  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou Wagon Crk Cyn, ca. 1 km up from Metcalf ranch house, E side of Mount Eddy, ca. 17 km NW of Shasta City 1170 Comment
  SJSU200  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou Wagon Cr Canyon c. 1 km up from Metcalf ranch house, E side of Mt Eddy c.17 km NW of Shasta city 1158 Comment
  UC449841  Salix scouleriana L. S. Smith 1931-6-1 16 Siskiyou near Mt. Shasta Mt. Shasta 1066 Comment
  CAS-BOT-BC129042  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 444 Siskiyou North base of Mount Eddy, about 1 km. up from Metcalf ranch house, about 17 km. northwest of Shasta City 1170 Comment
  CAS-BOT-BC128970  Salix sitchensis John Thomas Howell 1939-8-5 15079 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC91169  Salix sitchensis Jennifer Whipple 1976-7-24 1540 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC1034057  Salsola tragus W. Bridge Cooke 1941-9-5 16257 Siskiyou along the Memorial Hwy. Mt. Shasta Comment
  CAS-BOT-BC220810  Salvia dorrii var. incana A. A. Heller 1922-6-22 13667 Siskiyou Along the Pacific highway on the Klamath River Comment
  JEPS62778  Salvia sonomensis W. L. Jepson 1894-8-4 14946 Siskiyou Niels Camp Niels Camp, Mt. Shasta (trail to snow-line); Mt. Shasta Comment
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Aug 10 2008
  CDA5766  Salvia virgata T. C. Fuller 1964-6-24 12244 Siskiyou Marlow property, Greenhorn Valley, ca 2 miles west of Yreka. 0 Comment
  UCD125656  Salvia virgata C. S. Giebner 1968-7-29 s.n. Siskiyou E. H. Marlow property, Greenhorn Valley, around 2 miles west of Yreka. Comment
  CAS-BOT-BC236478  Sambucus racemosa subsp. racemosa Geo. D. Butler 1908-8-4 995 Siskiyou Head of Shackleford Creek 1828 Comment
  CAS-BOT-BC236485  Sambucus racemosa subsp. racemosa Louis C. Wheeler 1934-8-2 3019 Siskiyou Alex Hole, Alex Canyon, Siskiyou Mts. 1889 Comment
  JEPS93899  Sanguisorba annua Vernon H. Oswald and Lowell Ahart 1998-7-21 9344 Siskiyou 0.2 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake on s side of Tennant Road, on e side of intermittent stream draining Dry Lake); Tennant Road 1402 Comment
  POM141252  Sanguisorba annua H. M. Hall, E. B. Babcock 1903-06 4046 Siskiyou 18th crossing near Sisson. 1037 Comment
  HSC61953  Sanicula graveolens Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  POM77781  Sanicula graveolens Geo. D. Butler 1910-7-13 1778 Siskiyou [Unspecified] 1220 Comment
  UCD98487  Saponaria officinalis Francia Chisaki; Helen Sharsmith 1959-8-20 4740 Siskiyou in Scott Valley, 3 miles before reaching Etna on road from Callahan. 853 Comment
  CAS-BOT-BC110339  Sarcobatus vermiculatus Louis C. Wheeler 1934-10-21 3333 Siskiyou Shasta Valley 4 miles east of Grenada. 868 Comment
  RSA70031  Sarcobatus vermiculatus F. W. Peirson 1923-7-19 3717 Siskiyou 2 miles below Oregon line, lowest dry Klamath lake. Comment
  CAS-BOT-BC466232  Sarcodes sanguinea John Van Denburg 1913-3-1 s.n. Siskiyou Callahans Comment
  RSA445294  Satureja douglasii M. B. Dunkle 1944-7-15 9103 Siskiyou Siskiyou National Forest. 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
  CAS-BOT-BC482444  Saxifraga mertensiana Dana York 2011-8-13 3052 Siskiyou Marble Mountain Wilderness, Klamath National Forest, E-slope of Black Marble Mountain 1950 Comment
  CAS-BOT-BC445871  Saxifragopsis fragarioides John Thomas Howell 1939-8-3 14990 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC283649  Schedonorus pratensis Louis C. Wheeler 1934-6-26 2796 Siskiyou Cottonwood Creek, Siskiyou Mountains 838 Comment
  UCD126473  Schedonorus pratensis Geo. D. Butler 1909-6-28 851 Siskiyou Almy Creek, near Yreka. Comment
  RSA598072  Scirpus L. C. Wheeler 1963-9-3 8348 Siskiyou Siskiyou Mountains. Young's Valley, head of Clear Creek 1402 Comment
  HSC58919  Scirpus congdonii Marvin Butler 1971-7-15 140 Siskiyou Near El Capitan Lake, close to the town of Cave Junction 1524 Comment
  UC149654  Scirpus microcarpus H. M. Hall and E. B. Babcock June, 1903 4044 Siskiyou 18th crossing Mount Shasta, near Sisson (near Sisson) 1036 Comment
  CAS-BOT-BC111099  Scirpus microcarpus David Daniels Keck 1946-7-14 5692 Siskiyou West Branch of Indian Creek, Takilma-Happy Camp road. 914 Comment
  POM186207  Scirpus microcarpus E. B. Copeland 1903-8-14 3722 Siskiyou Sisson. Comment
  RSA238943  Scirpus microcarpus Frederick W. Oettinger 1969-7-31 1121 Siskiyou Where inlet stream to Upper English Lake breaks out of woods and heads into open wet meadow. Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountains Wilderness Area 1768 Comment
  SEINET8390357  Scirpus robustus G. D. Butler 1910-8-21 1847 Siskiyou Shasta Valley. Comment
  POM216186  Scribneria bolanderi L. C. Wheeler 1935-5-18 3500 Siskiyou Siskiyou Mountains; Yreka Creek (Mt. Diablo Mer.) 854 Comment
  SBBG25863  Scutellaria antirrhinoides D. Myrick 1966-8-9 1507 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  UC175503  Scutellaria antirrhinoides Geo. D. Butler 1910-5-30 1430 Siskiyou Humbug Creek Comment
  RSA105428  Scutellaria siphocampyloides Douglas Barbe 1955-7-1 80 Siskiyou Steep rocky hill just behind Callahan to the north. 976 Comment
  CHSC462  Sedum V. Holt 1943-8-9 Siskiyou Marble Mountains 1828 Comment
  UC205192  Sedum lanceolatum Harley P. Chandler June, 1901 1669 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  HSC63300  Sedum lanceolatum var. lanceolatum M. A. Baker 1979-7-30 1072 Siskiyou E facing rock slope. 2200 Comment
  HSC76641  Sedum lanceolatum var. lanceolatum K. T. Stillman 1976-6-25 106 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  JEPS96686  Sedum laxum subsp. flavidum Dean W. Taylor 1996-6-28 15756 B Siskiyou Antelope Mountain (about 8 air miles south of Yreka) Comment
  UCSB22048  Sedum obtusatum Keefe, Joseph 1967-7-11 Siskiyou On trail, 0.5 mile east of Cook and Green Pass, north of Seida Valley 1676 Comment
  UC455356  Sedum obtusatum subsp. boreale I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat (Mt. Bradley); , near Shasta Retreat 1828 Comment
  UC571149  Sedum obtusatum subsp. boreale Dorothy Tebbe 1929-7-1 6 Siskiyou Crater Lake , Crater Lake (Mount Eddy) Comment
  HSC90580  Sedum obtusatum subsp. retusum Jennifer Whipple 1977-7-20 2010 Siskiyou Mt. Eddy: Near Durney Lake 2073 Comment
  HSC27494  Sedum radiatum J. P. Smith, J. O. Sawyer 1972-5-28 5381 Siskiyou 0.2 mi. E of Butcher Gulch on the Cecilville-Forks of Salmon road. 732 Comment
  JEPS121415  Sedum spathulifolium Peter F. Zika 2011-7-19 25646 Siskiyou Forest Service Road 1055, 7.7 road miles above junction with Road 1050, 2.5 air mile SSE of Windy Peak, Siskiyou Mountains Comment
  RSA0035471  Sedum stenopetalum subsp. stenopetalum Peter F. Zika 2011-7-19 25648 Siskiyou Near Pacific Crest Trail, 1 air mile WNW of Copper Butte, Siskiyou Mountains, Klamath Range (KR). 1610 Comment
  HSC29492  Selaginella scopulorum Frederick W. Oettinger 1968-8-5 401 Siskiyou Marble Mtn. Wilderness Area, between English Peak and Diamond Lake, 2073 Comment
  SEINET10908347  Senecio aronicoides Katherine L. Morris, David B. Dunn; Melvin L. Conrad 1973-5-25 Morris 273 Siskiyou Collected 32.9 mi. NW of the junction of Hwy. 89 & 299 on Hwy. 89, in a pure stand of ponderosa pine. 14.3 mi. E of McCloud. Comment
  HSC91207  Senecio fremontii Jennifer Whipple 1976-7-25 1581 Siskiyou N slopes of Mt. Eddy; on ridge crest above Deadfall Lakes 2622 Comment
  UC1234602  Senecio integerrimus var. exaltatus Peter H. Raven 1962-5-30 17899 Siskiyou 12.3 mi s MacDoel (U.S. Highway 97) Comment
  HSC90544  Senecio integerrimus var. exaltatus Jennifer Whipple 1976-6-16 1010 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC364421  Senecio triangularis Marion Ownbey; Ruth P. Ownbey 1938-7-20 1759 Siskiyou 1 mile northwest of Dry Lake Lookout, summit of the Siskiyou Mts. Comment
  HSC67710  Senecio triangularis John Palmer 1980-7-24 610 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  OBI55454  Senecio triangularis David J. Keil, Kathleen Keil 1992-7-21 23550 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08. 4.2 mi W of Scott Mtn rd (hwy 3) Comment
  UC922277  Senecio triangularis Annie M. Alexander and Louise Kellogg 1949-7-19 5809 Siskiyou creeks and edge Paradise Lake; Marble Mountains, Paradise Lake 1920 Comment
  UC114369  Sibbaldia procumbens Thomas Howell May 1889 1383 Siskiyou Hornbrook Comment
  CAS-BOT-BC213141  Sidalcea Doris K. Kildale 1928-7-25 5878 Siskiyou Klamath River near Hamburg 457 Comment
  UC1299198  Sidalcea asprella subsp. nana Freed W. Hoffman 1950-7-11 3723 Siskiyou Cedar Camp road 42.5 mi n Klamath River (western Siskiyou County); n of Klamath River, Cedar Camp Road Comment
  CAS-BOT-BC205786  Sidalcea oregana Geo. D. Butler 1910-5-26 1408 Siskiyou Yreka Comment
  UC163716  Sidalcea oregana Geo. D. Butler 1908-8-3 61 Siskiyou Log Lake , Log Lake (Shackleford Creek) Comment
  JEPS67292  Sidalcea oregana subsp. oregana W. L. Jepson 1940-6-28 20062 Siskiyou McCloud 975 Comment
  UC922291  Sidalcea oregana subsp. oregana Annie M. Alexander and Louise Kellogg 1949-7-23 5852 Siskiyou Sky High Valley , Paradise Lake, Sky High Valley (Marble Mountains) 1920 Comment
  HSC76758  Sidalcea oregana subsp. spicata K. T. Stillman 1976-7-14 239 Siskiyou Marble Mtn. Wilderness Area Comment
  RSA185856  Sidalcea oregana subsp. spicata H. A. Thomas, J. H. Thomas 1954-7-21 4435 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek. 1159 Comment
  POM84656  Sidalcea oregana subsp. spicata Geo. D. Butler 1910-7-17 1728 Siskiyou No location given Comment
  RSA8252  Sidalcea oregana subsp. spicata Elmer I. Applegate 1923-8-18 3832 Siskiyou West end of Medicine Lake 1982 Comment
  SBBG2016  Silene campanulata subsp. glandulosa H. and M. Dearing 1939-6-3 3530 Siskiyou Spring Flat, Klamath Nat Forest Comment
  HSC81676  Silene campanulata subsp. greenei Thomas W. Nelson, Jane P. Nelson 1980-7-21 6160 Siskiyou Along FS Rd. 40N08, 0.6 mi. from junction with Hwy. 3 1646 Comment
  HSC268  Silene douglasii William J. Ferlatte 1967-8-21 1069 Siskiyou Sawtooth Ridge between Caribou Basin and Little S Fork Lake 2287 Comment
  UC1540254  Silene douglasii Dean W. Taylor 1987-6-26 9063 Siskiyou 2 mi se from Medicine Lake (moist meadow margin near head of easternmost spring); Paynes Springs, se from Medicine Lake 1996 Comment
  HSC642  Silene grayi William J. Ferlatte 1967-7-6 607 Siskiyou Dorleska summit. 2134 Comment
  CAS-BOT-BC389419  Silene lemmonii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  CAS-BOT-BC389431  Silene lemmonii Alice Eastwood 1912-8-30 2036 Siskiyou Mount Eddy Comment
  POM151575  Silene menziesii var. viscosa Geo. D. Butler 1910-6-1 1445 Siskiyou Yreka Creek Comment
  CDA3454  Silene vulgaris R. S. Richards 1967-6-15 Siskiyou Highway 3, 1 mile south of Etna. 0 Comment
  CAS-BOT-BC75161  Sisymbrium altissimum Henry M. Pollard 1947-8-20 s.n. Siskiyou Spinks' Ranch, Roger's Creek near Gomes Bar. Comment
  CDA16173  Sisymbrium officinale G. F. Hrusa, T. D. Wilfred 1999-5-31 15072 Siskiyou Klamath Ranges; E side of I-5 at Klamath R. rest area +- 10 mi N of Yreka. 640 Comment
  RSA120322  Sisyrinchium bellum S. S. Tillett 1956-7-9 673 Siskiyou N side Scott Mtn divide, headwaters of Mule Creek, Siskiyou Trinity line, 8 miles SE of Callahan. 1616 Comment
  JEPS80496  Smilacina racemosa Gilbert Muth 1966-7-8 364 Siskiyou Marble Valley Marble Mt. Wilderness Area 1792 Comment
  UC164382  Smilacina racemosa Geo. D. Butler 1908-8-24 94 Siskiyou Eldredge's Corral Russian Creek Comment
  JEPS120258  Smilax californica Julie Kierstead Nelson with Rhonda Posey, Mary Ellen Colberg 2011-7-12 2011 -41 Siskiyou Eastern Klamath Mountains, The Eddys. County Road 26, south side of Siskiyou lake, ca. 3 miles SW of Mt. Shasta City Comment
  UC1409215  Smilax jamesii Frederick W. Oettinger 1969-8-1 1138 Siskiyou near stream below English Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, High Lake 1813 Comment
  RSA0000534  Smilax jamesii Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1193 Siskiyou Trail from English Lake to Abbotts. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  NY821076  Solanum parishii A. R. Kruckeberg 1972-6-10 6217 Siskiyou 3-4 mi. S. of Cook and Green Pass Comment
  SEINET12765229  Solidago californica Vernon Oswald, Lowell Ahart 1997-7-28 8791 Siskiyou Southeast of Medicine Lake at Paynes Springs.; 0 1981 Comment
  JEPS32422  Solidago elongata Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou upper Sacramento (Sisson); Region of the Upper Sacramento, Sisson Comment
  CAS-BOT-BC365556  Solidago elongata L. E. Smith 1915-7-11 s.n. Siskiyou Sisson Comment
  CAS-BOT-BC339855  Solidago multiradiata C. F. Baker 1903-8-18 3843 Siskiyou Mt. Eddy Comment
  OBI55475  Solidago spectabilis David J. Keil, Kathleen Keil 1992-7-21 23531 Siskiyou Klamath NF SE of Callahan. Forest Rd 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  UC88188  Solidago spectabilis K. Curran Jul 1887 Siskiyou Sisson's Comment
  UC217392  Solidago velutina subsp. californica H. M. Hall 1919-10-2 Siskiyou near Weed 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-BC157322  Sorbus californica John Thomas Howell 1939-8-3 14979 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC158927  Sorbus scopulina Alice Eastwood 1912-9-3 2083 Siskiyou North fork Sisson Comment
  HSC19254  Sorbus scopulina J. O. Sawyer 1969-6-12 898 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  UC1222305  Sorbus scopulina Joseph P. Tracy 19478 Siskiyou summit of the Siskiyous (at crossing of Takilma-Happy Camp Road; 3 mi s of state line) 1463 Comment
  HSC18957  Sparganium angustifolium J. O. Sawyer 1969-8-1 1601 Siskiyou Behind Horseshoe Lake 1921 Comment
  CAS-BOT-BC390720  Spergularia rubra Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar Comment
  HSC77030  Spergularia rubra K. T. Stillman 1976-6-25 47 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  CAS-BOT-BC149678  Spiraea douglasii Laura M. Lathrop 1903-7-27 s.n. Siskiyou Shasta Retreat Comment
  CAS-BOT-BC149685  Spiraea douglasii Geo. D. Butler 1908-8-2 284 Siskiyou Shackleford Creek 1219 Comment
  HSC18900  Spiraea douglasii J. O. Sawyer 1968-9-11 702 Siskiyou Twin Valley 1524 Comment
  UC618746  Spiraea douglasii unknown 1938-7-29 11400 Siskiyou above Bear Spring; Mount Shasta Comment
  CAS-BOT-BC152553  Spiraea splendens Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou West side of Gumboot Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC152559  Spiraea splendens John Thomas Howell 1937-7-29 13671 Siskiyou North side of Scott Mt. Comment
  CAS-BOT-BC152560  Spiraea splendens Alice Eastwood 1912-8-30 2039 Siskiyou Mount Eddy Comment
  CAS-BOT-BC421467  Spiraea splendens W. R. Dudley 1903-8-4 s.n. Siskiyou Foot of Mt. Eddy Comment
  HSC71  Spiraea splendens var. splendens William J. Ferlatte 1967-7-25 731 Siskiyou Caribou Basin 1982 Comment
  RSA45336  Spiranthes porrifolia Dorothy Parker 1947-7-13 203 Siskiyou Plowmans Valley. Comment
  RSA237644  Spiranthes romanzoffiana Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1303 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  HSC27097  Stachys rigida J. P. Smith, J. O. Sawyer 1972-9-14 5808 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  RSA12488  Stachys rigida subsp. rivularis Carl B. Wolf 1934-7-4 5949 Siskiyou 6 8/10 miles from Dry Lake Lookout on road to Horse Creek. Siskiyou Mountains. 1829 Comment
  CAS-BOT-BC202882  Staphylea bolanderi C. H. M. 1919-11-10 s.n. Siskiyou Baird, McCloud River Comment
  RSA610003  Stellaria calycantha L. C. Wheeler 1935-7-26 3697 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  JEPS128457  Stellaria crispa Julie Kierstead Nelson with Martin Lenz 2015-6-18 2015 -058 Siskiyou Headwaters of West Fork Parks Creek, 2 miles NNE of China Mountain; 7 miles W of town of Weed. Comment
  UC454236  Stellaria longipes var. longipes I. J. Condit 1909-8-23 Siskiyou near Sisson (Castle Lake); Castle Lake Comment
  RSA0018473  Stenanthium occidentale James R. Shevock 2012-7-21 40558 Siskiyou Along Forest Service Road 1055, 0.5 mile below Cook and Green Pass, Applegate River Drainage. 1433 Comment
  POM210939  Stenanthium occidentale Louis C. Wheeler 1934-8-17 3181 Siskiyou Siskiyou Mts. North side White Mt. 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
  RSA237476  Stephanomeria lactucina Frederick W. Oettinger, R. F. Thorne 1969-8-5 1195 Siskiyou Dry trail on way to Abbotts. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1677 Comment
  RSA474275  Stephanomeria lactucina Chadwick, Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  UC92376  Stephanomeria lactucina unknown Siskiyou near Timber Line; Sissons Comment
  HSC6237  Stephanomeria paniculata R. C. Wunner 1965-8-21 458 Siskiyou California Lava Beds National Monument; 1 1/2 mi. from NW Ranger Residence along Main Rd. 1220 Comment
  HSC6226  Stephanomeria tenuifolia D. M. Thomson 1965-8-14 188 Siskiyou California Lava Beds National Monument; Caldwell Butte, on the S side Comment
  SEINET10603810  Stipa californica A. Arthur Heller 1905-6-1 Heller 7936 Siskiyou Between Upper Soda Spring and Shasta Retreat. Comment
  HSC71191  Stipa occidentalis var. californica M. A. Baker 1980-6-20 2222 Siskiyou Near Bald Mtn. 1036 Comment
  HSC81569  Streptanthus barbatus Thomas W. Nelson, Jane P. Nelson 1980-7-17 6072 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  HSC75346  Streptanthus barbatus J. O. Sawyer, M. Mesler 1980-8-10 4027 Siskiyou Just W of Carmen Lake 1585 Comment
  CAS-BOT-BC87082  Streptanthus glandulosus subsp. glandulosus Milo S. Baker 1927-4-12 2071 a Siskiyou Southeast slope Herds Peak. 396 Comment
  HSC76965  Streptanthus tortuosus K. T. Stillman 1976-9-10 505 Siskiyou Marble Mtn. Wilderness Area, trail from Marble Gap to Elk Valley 2104 Comment
  JEPS84282  Streptanthus tortuosus L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6371 a Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1/2 mi e of Red Butte summit) 1900 Comment
  POM266038  Streptanthus tortuosus Lincoln Constance, Reed C. Rollins 1942-5-13 2901 Siskiyou Klamath River near Clear Creek, 8 miles S of Happy Camp. 305 Comment
  UC10860  Streptanthus tortuosus W. H. Brewer 1862-9-16 1418 Siskiyou Mount Shasta 2438 Comment
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May 1 2011
  UC1601617  Streptanthus tortuosus Lewis S. Rose 1937-7-3 37386 Siskiyou n Mt. Shasta City; Black Butte 1005 Comment
  UCD78029  Streptanthus tortuosus Robert E. Preston 2001-6-23 1612 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W se 1/4 Section 15 1889 Comment
  CAS-BOT-BC87860  Streptanthus tortuosus Gilbert Muth 1965-8-5 s.n. Siskiyou On trail to Black Mountain. Comment
  HSC60660  Streptanthus tortuosus var. tortuosus J. P. Smith, Steve Selva 1970-6-15 3928 Siskiyou 5 mi. NW of Forks of Salmon 335 Comment
  HSC61929  Streptopus amplexifolius Ruby Van Deventer 14 Jul [year missing] Siskiyou Poker Flat 1585 Comment
  JEPS25647  Streptopus amplexifolius var. americanus Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7287 Siskiyou Poker Flat 1536 Comment
  UC1045242  Swertia albicaulis var. albicaulis unknown 1940-6-27 15204 Siskiyou near the old Hotlum road; Mount Shasta Comment
  CAS-BOT-BC234796  Symphoricarpos mollis Alice Eastwood 1912-9-4 2102 a Siskiyou Sisson Comment
  UC1408788  Symphoricarpos mollis Frederick W. Oettinger 1968-8-6 542 Siskiyou ne side Little Medicine Lake (due n of Hancock Lake, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1996 Comment
  UC165279  Symphyotrichum bracteolatum Geo. D. Butler 1908-8-12 292 Siskiyou near Oro Fino Comment
  CAS-BOT-BC97876  Symphyotrichum eatonii Doris K. Kildale 1925-9-6 1278 Siskiyou Somes Bar, at junction of Salmon & Klamath River 274 Comment
  JEPS89331  Symphyotrichum frondosum Dean W. Taylor 1987-8-9 9291 Siskiyou along Hwy. 161 (Oregon border) 8.3 mi. w. from Hwy 139 Lower Klamath Nat'l Wildlife Refuge 1249 Comment
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Oct 8 2007
  CAS-BOT-BC98433  Symphyotrichum spathulatum Doris K. Kildale 1929-8-24 9102 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  CAS-BOT-BC98434  Symphyotrichum spathulatum Doris K. Kildale 1929-8-24 9025 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  JEPS24798  Symphyotrichum spathulatum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6807 Siskiyou near outlet of Castle Lake at its ne end Castle Lake, Sacramento River (headwaters of Sacramento River) 1661 Comment
  UC165283  Symphyotrichum spathulatum Geo. D. Butler 1910-9-11 1880 Siskiyou near Edgewood Comment
  UC1222979  Symphyotrichum spathulatum Joseph P. Tracy 1949-9-16 18572 Siskiyou on rd between Callahan and Trinity Center Callahan (at the top on the n side of Scott Mtn); Scott Mountain 1615 Comment
  HSC72274  Symphyotrichum spathulatum var. spathulatum J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8969 Siskiyou Hwy 3, 2.5 mi. N of Siskiyou-Trinity County line Comment
  HSC29101  Taraxacum officinale Frederick W. Oettinger 1969-7-13 1010 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: S of Upper English Lake 1799 Comment
  CAS-BOT-BC81343  Taxus brevifolia H. M. Hall 1902-9-15 5250 Siskiyou Dunsmuir 609 Comment
  CAS-BOT-BC81344  Taxus brevifolia Alice Eastwood 1917-9-2 6709 Siskiyou Shasta Springs Comment
  HSC33966  Taxus brevifolia J. P. Smith 1974-5-25 7453 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  HSC68398  Taxus brevifolia Maralyn A. Renner 1980-7-4 1451 Siskiyou Clear Creek Trail, N of Trout Camp. 1037 Comment
  POM210933  Taxus brevifolia L. C. Wheeler 1934-8-14 3138 Siskiyou Siskiyou Mountains, west end of White Mountain 1768 Comment
  UC1313006  Taxus brevifolia J. M. Tucker 1963-7-5 3706 Siskiyou ca 7 mi (airline) e Sawyer's Bar (lower Blake's Fork of South Russian Creek (a tributary of Salmon River)); Salmon Mountains, Salmon River, Blake's Fork of South Russia 1524 Comment
  SBBG18641  Taxus brevifolia M. A. Piehl 1956-8-14 Siskiyou rd to Happy Camp (N of) Comment
  CAS-BOT-BC447414  Tellima grandiflora Doris K. Kildale 1928-7-4 5473 Siskiyou 3 miles west of Summit on Sawyers Bar - Etna Mills road. 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
  SBBG30494  Tetradymia canescens D. Myrick 1968-6-22 1985 Siskiyou Lava Beds Nat Monument 1371 Comment
  UC480864  Thalictrum fendleri var. polycarpum Harley P. Chandler June, 1901 1648 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  CAS-BOT-BC88071  Thelypodium brachycarpum Dorothy Parker 1948-6-11 s.n. Siskiyou Yreka. Comment
  HSC100276  Thelypodium brachycarpum J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13074 Siskiyou Klamath National Forest, along road to botanical area off Forest Service Road 40N24 to Crater Lake. 1860 Comment
  HSC49929  Thelypodium brachycarpum Gilbert Muth 1978-8-2 7326 Siskiyou Near Cabin Meadow Creek, close to the town of Callahan 1853 Comment
  CAS-BOT-BC344988  Thelypteris nevadensis Dana York 2013-6-14 3170 Siskiyou Klamath National Forest, Siskiyou Wilderness, ca 825 km N of Raspberry Lake just W of main trail 1575 Comment
  CHSC86664  Thlaspi arvense Jenny Marr 1993-7-1 47 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 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
  RSA237928  Tofieldia glutinosa subsp. occidentalis Frederick W. Oettinger 1968-8-1 340 Siskiyou South side of Little Hancock Lake. The Salmon Mountains. The high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 2043 Comment
  RSA264992  Tolmiea menziesii G. L. Clifton 1975-7-29 s.n. Siskiyou Copper Butte. Near Seiad Valley. 1415 Comment
  UC163695  Toxicodendron diversilobum Geo. D. Butler 1908-7-4 1034 Siskiyou Shasta R. near mouth Shasta R. Comment
  HSC102659  Toxicoscordion venenosum var. venenosum J. P. Smith 2009-6-1 12617 Siskiyou Road to Tenant. Comment
  CHSC88105  Tragopogon dubius Jenny Marr 1993-7-1 115 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC42898  Tragopogon porrifolius Ken Stillman 1976-8-15 409 Siskiyou Clearcut at junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  UC160925  Trautvetteria caroliniensis var. occidentalis Harley P. Chandler June, 1901 1601 Siskiyou near Marble Mountain (North Coast Ranges); North Coast Ranges 1828 Comment
  HSC34265  Triantha occidentalis subsp. occidentalis J. P. Smith, J. O. Sawyer 1973-8-14 7317 Siskiyou W of Cliff Lake 1982 Comment
  CHSC91234  Tribulus terrestris Lowell Ahart; John Dittes 2005-6-10 12076 Siskiyou Overflow area, on the north side of the Shasta River, about 100 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  JEPS43087  Trientalis latifolia Geo. D. Butler 1909-5-30 765 Siskiyou Humbug Comment
  RSA293201  Trifolium dubium J. P. Smith 1973-5-5 6544 Siskiyou Scott Bar along the Scott River. Comment
  JEPS95830  Trifolium eriocephalum subsp. eriocephalum Vernon H. Oswald and L. Ahart 1999-7-5 9806 Siskiyou Gazelle Mtn. on road 41N03 0.2 mi southeast of Gazelle-Callahan Hwy.: T41N R7W Sect. 3, 4950 ft, yellow pine forest, serpentine substrate 1508 Comment
  JEPS2899 Image available Trifolium eriocephalum var. eriocephalum Geo. D. Butler 1908-8-3 384 Siskiyou Log Lake Shacklesford Creek 1524 Comment
  CAS-BOT-BC219040  Trifolium howellii Gilbert Muth 1966-7-24 445 Siskiyou Marble Valley, along creek 1792 Comment
  HSC18995  Trifolium longipes J. O. Sawyer 1969-7-18 1416 Siskiyou Head of S Russian Creek 1829 Comment
  HSC61932  Trifolium longipes Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC81684  Trifolium longipes Thomas W. Nelson, Jane P. Nelson 1980-7-20 6167 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  HSC30417  Trifolium longipes Frederick W. Oettinger 1968-8-17 553 Siskiyou Salmon Mountains: N to NW of Pine Lake 1860 Comment
  SBBG22140  Trifolium longipes C. B. Hardham 1961-6-30 8126 Siskiyou White Mtn, near springs 1828 Comment
  JEPS87958  Trifolium longipes subsp. oreganum Barbara Ertter 1990-7-16 9376 Siskiyou NW side of Mt. Eddy ca 8 air miles SW of Weed, ca. 1-2 mi from Parks Creek trailhead(=crest of Rte 17). 2286 Comment
  JEPS33206  Trifolium longipes var. elmeri John Gill Lemmon 1889-6-28 Siskiyou Mt. Eddy Comment
  UC85327  Trifolium longipes var. elmeri Harley P. Chandler June 1901 1580 Siskiyou near Marble Mtn; North Coast Ranges 1828 Comment
  POM27531  Trifolium macrocephalum Geo. D. Butler 1909-4-14 639 Siskiyou Yreka. Comment
  JEPS124492  Trifolium pratense Daniel Slakey 2015-7-14 165 Siskiyou Along Ager-Beswick Road, approximately 5 miles from Copco Lake. Comment
  CAS-BOT-BC230882  Trifolium productum G. J. Muth 1969-8-12 1382 Siskiyou Second Valley 2194 Comment
  CAS-BOT-BC230885  Trifolium productum John Thomas Howell 1939-8-9 15223 Siskiyou Ridge south of Marble Valley, Marble Mts. Comment
  UCD78047  Trifolium repens Robert E. Preston 2003-7-31 2177 Siskiyou Rainbow Mountain, at base of N slope, in upper Antelope Creek Meadow 1661 Comment
  CAS-BOT-BC519594  Trillium Roxana S. Ferris; Laura Lorraine 1948-6-12 11883 Siskiyou About 6 miles from Etna on forks of Salmon road 1676 Comment
  POM109157  Trillium albidum Geo D. Butler 1910-4-3 1168 Siskiyou Humbug Creek. Comment
  UC30088  Trillium ovatum Harley P. Chandler June, 1901 1550 Siskiyou Ridges and meadows near Marble Mountain, 10 ft from melting snow 1828 Comment
  HSC30709  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1967-7-10 190 Siskiyou Marble Mtn. Wilderness Area, near hairpin turn of Music Creek logging road along Statue Creek 1732 Comment
  RSA234821  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1967-6-27 126 Siskiyou West of Statue Creek near the point where the Music Creek logging road makes hairpin turn. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1756 Comment
  RSA234826  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-10 956 Siskiyou Base of cliff southwest of Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1768 Comment
  UC1409312  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-5 932 Siskiyou along n.e. shore of Taylor fLake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble Comment
  UC53708  Trisetum spicatum W. L. Jepson 1895-1 Siskiyou Shasta Comment
  HSC73275  Triteleia bridgesii Gail Newton 1980-6-20 471 Siskiyou Near Bald Mtn. 1097 Comment
  UCSB25012  Triteleia crocea Breedlove, Dennis 1962-6-10 Siskiyou Along Indian Creek Road, 15.6 miles northwest of Happy Camp; Siskiyou Mountains 975 Comment
  CAS-BOT-BC133487  Triteleia crocea R. C. Barneby 1954-5-16 11509 Siskiyou Klamath R. canyon, 10 1/2 mi. below Klamath River P.O. 1550 Comment
  UCSB24893  Triteleia hyacinthina Keefe, Joseph 1967-7-11 Siskiyou Little Castle Lake, southwest of Castle Lake, 10 miles southwest of the city of Mt. Shasta 1981 Comment
  CAS-BOT-BC522334  Triteleia hyacinthina Alice Eastwood 1921-7-24 10795 Siskiyou Castle Lake Comment
  UCD78068  Triteleia ixioides subsp. anilina Robert E. Preston 2002-6-21 1869 Siskiyou Klamath National Forest, Rainbow Mountain, S slope, N of Trout Creek 1691 Comment
  JEPS48254  Tsuga mertensiana W. L. Jepson 1907-7-5 2820 Siskiyou Marble Mt. Comment
  CAS-BOT-BC74103  Turritis glabra L. E. Smith 1913-6-18 376 Siskiyou Road between Sisson and Castle Lake. Comment
  CAS-BOT-BC74104  Turritis glabra R. E. Frenkel 1963-7-14 214 Siskiyou Mount Shasta, below McBride Springs. About 20 feet north of Everitt Memorial Highway. 1432 Comment
  HSC68372  Typha latifolia J. P. Smith, Steve Selva 1970-7-15 4354 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  SEINET6766884  Urtica dioica var. occidentalis G. D. Butler 1910-6-30 1616 Siskiyou Yreka Creek Comment
  CDA3539  Vaccaria hispanica G. D. Barbe, T. C. Fuller 1972-6-14 944 Siskiyou South side of Oberlin Road, between Yreka and Montague. 0 Comment
  HSC18867  Vaccinium cespitosum J. O. Sawyer 1968-6-25 288 Siskiyou NE of N Horse Range Lake 2012 Comment
  HSC19109  Vaccinium cespitosum J. O. Sawyer 1969-8-4 1813 Siskiyou Above Sugar Lake 2134 Comment
  HSC22452  Vaccinium cespitosum J. O. Sawyer 1969-8-1 1595 Siskiyou Above Horseshoe Lake 1921 Comment
  HSC29307  Vaccinium cespitosum Frederick W. Oettinger 1969-7-14 1014 Siskiyou Marble Mountain Wilderness Area, N shore line of Charmaine Lake 1921 Comment
  HSC19365  Vaccinium membranaceum J. O. Sawyer 1968-7-9 442 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC44601  Vaccinium membranaceum Laura Witherspoon 1977-6-22 Siskiyou Dillon Camp 1341 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
  SEINET3107073  Vaccinium membranaceum Steve Selva, Roger Jensen 1974-8-22 34 Siskiyou Collected along trail from Doe Flat campground to Buck Lake. Comment
  RSA183709  Valeriana sitchensis subsp. scouleri Gilbert Muth 1965-8-6 190 Siskiyou Marble Mountains; backside of Black Mountain Comment
  CHSC95123  Valeriana sitchensis subsp. sitchensis L. P. Janeway 2006-7-2 8750 Siskiyou Klamath Ranges. Salmon Mountains; un-named creek at the sharp bend in the Music Creek Trailhead Road, 0.6 km south of Music Creek. North-facing slope above the creek. 1762 Comment
  JEPS107659  Valerianella locusta Lowell Ahart, John Dittes 2005-6-10 12119 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
  HSC67537  Vancouveria planipetala J. P. Smith, Steve Selva 1970-6-14 3884 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  HSC81625  Veratrum californicum var. californicum Thomas W. Nelson, Jane P. Nelson 1980-7-19 6201 Siskiyou Along USFS Rd. 40N17 1.0 mi. from junction with Callahan-Cecilville Rd. 1585 Comment
  UC922558  Verbascum blattaria Annie M. Alexander and Louise Kellogg 1948-9-7 5588 Siskiyou South Fork of Salmon River; Siskiyou Mountains, South Fork of Salmon River Comment