Search Results — 2000 specimen records retrieved (1359 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
  UC1409510  Abies Frederick W. Oettinger 1969-8-25 1547 Siskiyou Tom Taylor Cabin Salmon Mountains, Marble Mountain Wilderness Area (w Siskiyou Co., high lake basins in vicinity of English Peak) 2048 Comment
  RSA47982  Abies X shastensis Roxana S. Ferris, Laura Lorraine 1948-6-12 11770 Siskiyou About 6 miles from Etna on forks of Salmon Road. 1707 Comment
  CAS-BOT-BC419723  Abies concolor Julie Kierstead Nelson; Keli McElroy 2012-8-10 2012 -073 Siskiyou NW side of Gumboot Lake. 1853 Comment
  LA6362  Abies concolor Wm. Bridge Cooke; 1939-7-29 13790 Siskiyou Mount Shasta, along the Sisson Southern Trail 1676 Comment
  HSC4982  Abies lasiocarpa J. O. Sawyer 1968-7-9 430 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC4997  Abies lasiocarpa J. O. Sawyer 1969-8-2 1695 Siskiyou Slopes W of Little Duck Lake 2226 Comment
  HSC5008  Abies lasiocarpa J. O. Sawyer 1968-10-8 754 Siskiyou W of Little Duck Lake 1936 Comment
  HSC69242  Abies magnifica Maralyn A. Renner 1980-9-1 2701 Siskiyou S side of Devil's Punchbowl 1829 Comment
  LA6389  Abies magnifica var. shastensis Wm. Bridge Cooke; 1939-8-22 13885 Siskiyou Mount Shasta, around Horse Camp 2438 Comment
  SBBG132985  Abies magnifica var. shastensis B. C. Templeton 1968-6-13 11332 Siskiyou near Panther Meadows, Mount Shasta, 2835 Comment
  HSC68464  Acer circinatum Maralyn A. Renner 1980-7-5 1532 Siskiyou Doe Flat 1220 Comment
  JEPS105135  Acer glabrum var. diffusum Dean W. Taylor 1996-7-12 15792 Siskiyou Salmon Mountains; Patterson Creek drainage (about 5 air miles west of Etna); Klamath National Forest 1371 Comment
  CAS-BOT-BC331016  Acer glabrum var. glabrum Doris K. Kildale 1929-7-20 8671 Siskiyou Raspberry Lake, near east spur Preston Peak 1981 Comment
  CAS-BOT-BC331021  Acer glabrum var. glabrum Gilbert Muth 1965-8-3 s.n. Siskiyou On trail to 4-corners, Marble Mts. Comment
  CAS-BOT-BC331024  Acer glabrum var. glabrum Alice Eastwood 1912-7-19 1220 Siskiyou Mount Shasta Comment
  CAS-BOT-BC331050  Acer glabrum var. glabrum R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 s.n. Siskiyou Near Kidd Creek Comment
  HSC61841  Acer glabrum var. torreyi Al Hobart 1969-7-7 Siskiyou Poker Flat 1646 Comment
  RSA123631  Acer glabrum var. torreyi G. D. Barbe 1955-7-9 151 Siskiyou South side of Kangaroo Lake, Scott Mountains 1829 Comment
  RSA237827  Acer glabrum var. torreyi Frederick W. Oettinger 1969-9-5 1675 Siskiyou At Willow Springs, along the trail between Abbotts Upper Cabin and English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CAS-BOT-BC332789  Acer macrophyllum Elmer I. Applegate 1895-5-30 949 Siskiyou Sisson Comment
  JEPS42664  Acer macrophyllum Geo. D. Butler 1909-5-31 767 Siskiyou Humbug Comment
  CAS-BOT-BC30434  Achillea millefolium Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  RSA12486  Achillea millefolium Carl B. Wolf 1934-7-4 5951 Siskiyou 6.8 miles from Dry Lake lookout on road to Horse Creek, Siskiyou Mountains. 1829 Comment
  RSA416235  Achillea millefolium J. P. Smith 1973-5-5 6527 Siskiyou Scott Bar along the Scott River. Comment
  CHSC110946  Achnatherum nevadense B. Castro; L. P. Janeway 2007-7-29 1670 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, at base of N-facing slope. Ca 150 ft up old Rd 43N39 (now closed) from jcn with its 'A' spur, in the old roadbed. 1950 Comment
  CAS-BOT-BC216925  Achnatherum occidentale A. A. Heller 1916-6-22 12427 Siskiyou Near Black Butte N of Sisson 1097 Comment
  CDA28109  Achnatherum occidentale subsp. californicum L. P. Janeway 2002-7-13 7643 Siskiyou Rainbow Mountain Quad; High Cascade Range. Along a logging spur road 0.2 km southeast of Road 13 (Pilgrim Creek Road) 9.0 km northeast of the Military Pass Road (Road 19); 0.2 km north of Edison Creek Comment
  JEPS76056  Achnatherum occidentale subsp. californicum W. L. Jepson 1937-7-22 18453 Siskiyou Dunsmuir Comment
  UCD51059  Achnatherum occidentale subsp. californicum Rimo Bacigalupi 1959-7-2 7234 Siskiyou Big Flat Campground, headwaters of South Fork of the Salmon River, near north base of Caribou Mtn. and just south of low divide (Trinity County boundary) separating Coffee Creek drainage from that of the Salmon River. 1508 Comment
  JEPS74568  Achnatherum occidentale subsp. occidentale W. J. Ferlatte 1966-6-23 136 Siskiyou slope along the Yellow Rose Mine Trail Trinity Alps 1676 Comment
  RSA0034618  Achnatherum occidentale subsp. occidentale Frederick W. Oettinger 1968-8-8 454 -b Siskiyou Crapo Meadow near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  UCD51189  Achnatherum occidentale subsp. pubescens P. B. Dickey 1940-5-26 943 Siskiyou South of Dwinnell Lake. Comment
  HSC101739  Acmispon wrangelianus J. P. Smith, J. O. Sawyer 2010-5-2 12798 Siskiyou River access road, on the Salmon River. 164 Comment
  HSC22295  Aconitum columbianum subsp. columbianum J. O. Sawyer 1969-8-1 1604 Siskiyou Behind Horseshoe Lake 1921 Comment
  CAS-BOT-BC391533  Aconitum columbianum subsp. columbianum A. A. Heller 1927-8-1 14433 Siskiyou At the State Teachers College, near Shasta City (Sisson) 1074 Comment
  HSC78224  Aconitum columbianum subsp. columbianum L. P. Janeway 1983-8-26 594 Siskiyou Poker Flat, wet upper part of lower portion of meadow 1524 Comment
  HSC60156  Aconogonon davisiae D. L. Goforth 1979-7-7 227 Siskiyou Klamath National Forest. Condrey Mtn. 2043 Comment
  SBBG1696  Aconogonon davisiae H. and M. Dearing 1939-7-1 3776 Siskiyou Salmon-Etna divide Salmon Mtn 1828 Comment
  UCD98556  Aconogonon newberryi Collector unknown Date unknown s.n. Siskiyou location unknown. Comment
  HSC24101  Aconogonon phytolaccifolium J. O. Sawyer 1971-7-15 2428 Siskiyou Along Red Rock Valley Creek 1585 Comment
  OBI80258  Adenocaulon bicolor David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  CAS-BOT-BC68951  Adiantum aleuticum Gilbert J. Muth 1969-8-10 1346 Siskiyou Ridge west of Boulder Peak Comment
  UC42043  Adiantum aleuticum Marshall A. Howe 1894-8-7 Siskiyou Mossbrae Falls Shasta Soda Springs Comment
  UC1408770  Agastache urticifolia Frederick W. Oettinger 1968-8-14 515 Siskiyou margins of Bear Meadow between English Peak and Tom Taylor Cabin (High Lake Basins in Vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1996 Comment
  HSC79317  Ageratina occidentalis D. H. Norris 1970-5-23 12240 Siskiyou Along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  HSC29227  Ageratina occidentalis Frederick W. Oettinger 1968-8-23 616 Siskiyou Diamond Lake spillway half way to English Lake 1951 Comment
  POM210974  Ageratina occidentalis Louis C. Wheeler 1934-8-9 3070 Siskiyou Dead Cow Creek (Mt. Diablo Mer.) 1982 Comment
  UC75800  Agoseris X dasycarpa Milo S. Baker 1897-8-1 154 Siskiyou top Medicine Lake Mts. 2438 Comment
  RSA238738  Agoseris aurantiaca Frederick W. Oettinger 1969-7-28 1088 Siskiyou Moist grassy bank NNE of Tom's Lower Pond. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  CAS-BOT-BC21375  Agoseris aurantiaca var. aurantiaca Alice Eastwood 1921-7-29 10946 Siskiyou Medicine Lake Comment
  HSC61110  Agoseris grandiflora Ruby Van Deventer 1955-8-5 Siskiyou Doe Flat; Forest Service Road 17N04 Comment
  JEPS36274  Agoseris grandiflora var. grandiflora Geo. D. Butler 1908-8-28 304 Siskiyou Marlahan Ranch Oro Fino Comment
  UC163890  Agoseris grandiflora var. grandiflora Geo. D. Butler 1909-6-4 761 Siskiyou Yreka Comment
  HSC68072  Agoseris heterophylla J. P. Smith 1973-5-5 6563 Siskiyou Scott Bar along the Scott River Comment
  JEPS93824  Agoseris heterophylla Vernon H. Oswald and Lowell Ahart 1998-6-11 9196 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on the s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  POM33139  Agoseris heterophylla Geo. D. Butler 1910-4-21 1213 Siskiyou Oro Fino Comment
  UC618848  Agoseris heterophylla var. heterophylla W. Bridge Cooke 1938-6-24 11069 Siskiyou largely in an old wagon rd, also in the surrounding meadow and chaparral MacBride Spring; Mount Shasta 1524 Comment
  UC92268  Agoseris heterophylla var. heterophylla Brandegee Jul 1 1887-Jan 1 1900 Siskiyou Sissons Comment
  JEPS94398  Agoseris monticola Vernon Oswald and Lowell Ahart 1997-7-28 8797 Siskiyou on the meadow s of Schonchin Spring Campground at Medicine Lake Medicine Lake 2057 Comment
  UCD128661  Agoseris retrorsa Wm. E. Moon 1958-5-29 s.n. Siskiyou State Highway 97, 12 miles northeast of Weed. 1219 Comment
  RSA0037257  Agrostis Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38979 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta. 2316 Comment
  SEINET7295882 Image available Agrostis alba Beecher Crampton 1956-1 3799 Siskiyou Drainage ditch along US Hwy. 99, 1.2 mile south of Dunsmuir 701 Comment
  UCD52125  Agrostis exarata Beecher Crampton 1956-8-21 3838 Siskiyou lower slopes of White Ridge, canyon of the South Fork of the Sacramento River. Comment
  UCD52132  Agrostis exarata Beecher Crampton 1956-8-21 3818 Siskiyou south slope of Gumboot Lake, headwater of the south fork of the Sacramento River. 1920 Comment
  UCD52369  Agrostis exarata A. H. Murphy 1956-8-16 56 CC Siskiyou Klamath National Forest, Tangle Blue Lake. 1767 Comment
  UC1025024  Agrostis idahoensis Leo Whitney 1935-7-15 3519 Siskiyou 2 mi se Medicine Lake; Bullseye Lake Comment
  RSA239092  Agrostis pallens Frederick W. Oettinger 1969-8-14 1377 Siskiyou At inlet to Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  SEINET7594105 Image available Agrostis pallens F. W. Oettinger 1969-1 1377 Siskiyou inlet to English Lake, Salmon Mountains 1753 Comment
  UCD53363  Agrostis scabra A. H. Murphy 1956-8-16 56 X Siskiyou Tangle Blue Lake, Klamath National Forest. 1767 Comment
  SBBG14883  Allium bolanderi A. I. Richardson 1961-6-8 14 Siskiyou near Cedar Lake, N of Mt Shasta 853 Comment
  HSC46178  Allium bolanderi var. bolanderi Jennifer Whipple 1978-6-5 2330 Siskiyou Weston Gulch in Scott Valley 854 Comment
  SBBG30569  Allium campanulatum D. Myrick 1968-6-27 2049 Siskiyou Preacher's Peak above Big Flat, head of Coffee Crk 2133 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
  RSA48580  Allium falcifolium Philip A. Munz 1949-5-18 13304 Siskiyou Divide, south of Callahan on road to Trinity Center. 1524 Comment
  UC618662  Allium obtusum W. Bridge Cooke 1938-7-1 11163 Siskiyou 1 mi below main meadow; Mount Shasta, Panther Creek Sand Flats Comment
  HSC22206  Allium parvum J. O. Sawyer 1969-6-13 1101 Siskiyou Slope above Little Duck Lake 2134 Comment
  HSC22395  Allium validum J. O. Sawyer 1969-7-9 1063 Siskiyou NE shore of Little Duck Lake 2043 Comment
  UC618715  Allium validum W. Bridge Cooke 1938-7-15 11253 Siskiyou along the creeks leading from Wagon Camp Springs; Mount Shasta, Wagon Camp Comment
  HSC43034  Allophyllum gilioides J. O. Sawyer, Ken Stillman 1976-7-2 2807 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  CAS-BOT-BC453443  Allotropa virgata Volney Rattan 1879-6-1 s.n. Siskiyou Klamath Comment
  CAS-BOT-BC171403  Alnus incana subsp. tenuifolia J. H. Chastain 1918-3-1 s.n. Siskiyou Gazelle Comment
  CAS-BOT-BC171418  Alnus incana subsp. tenuifolia H. A. Thomas; J. H. Thomas 1954-7-24 4505 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  UC1313038  Alnus incana subsp. tenuifolia J. M. Tucker 1963-8-17 3739 Siskiyou lower Red Rock Valley Marble Mountain Wilderness Area (along draw in vicinity of cabin) 1493 Comment
  UCR18793  Alnus incana subsp. tenuifolia John C. Roos 1945-9-1 3953 Siskiyou Salmon Mountains, mountains southwest of Etna 1829 Comment
  HSC27461  Alnus rhombifolia J. P. Smith, J. O. Sawyer 1972-5-28 5376 Siskiyou 1.2 mi. E. of Jackson Creek on Callahan-Cecilville Rd., Klamath National Forest 1341 Comment
  HSC68527  Alnus rhombifolia Maralyn A. Renner 1980-6-24 1026 Siskiyou Tributary stream E Fork Seiad Creek where crossed by FS Rd. 48N20 1021 Comment
  HSC68578  Alnus rhombifolia Maralyn A. Renner 1980-6-23 973 Siskiyou W Fork Seiad Creek 878 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
  CAS-BOT-BC169379  Alnus viridis subsp. sinuata Wm. Bridge Cooke 1939-8-10 13862 Siskiyou around springs on the walls of the Mud Creek Canyon from the Hudsonian to the Transition Zones. Mount Shasta 2133 Comment
  HSC4967  Alnus viridis subsp. sinuata J. O. Sawyer 1968-7-10 489 Siskiyou Lower slopes grading to terrace of a temporary stream. 1768 Comment
  HSC67668  Alnus viridis subsp. sinuata John Palmer 1980-7-24 588 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  RSA238552  Alnus viridis subsp. sinuata Frederick W. Oettinger 1968-8-3 383 Siskiyou The Salmon Mountains, in the vicinity of English Peak, Marble Mountains Wilderness Area, near Base Camp along the trail between Diamond and Hancock Lakes. 2012 Comment
  SBBG14332  Alnus viridis subsp. sinuata J. Major 1961-7-14 649 Siskiyou Mud Crk, Mt Shasta 2316 Comment
  UCD14406  Alopecurus pratensis Sheryl Gill 1996-9-3 s.n. Siskiyou At the Tule Lake National Wildlife Refuge - 'Frey's Island' Sites D, E, and F; in the south-east part of the refuge in southern sump; 'Captain Jack's Stronghold' GS map quad. 1229 Comment
Read comments
Jun 24 2009
  NY785946  Alyssum alyssoides A. A. Heller 1905-6-17 8054 Siskiyou Comment
  CAS-BOT-BC142876  Amelanchier alnifolia var. semiintegrifolia Alice Eastwood 1917-9-2 6708 Siskiyou Shasta Springs Comment
  UC1222323  Amelanchier alnifolia var. semiintegrifolia Joseph P. Tracy 1951-6-16 19503 Siskiyou near State Line (at crossing of Takilma-Happy Camp Road, summit of the Siskiyous); Siskiyous Comment
  HSC41465  Amelanchier pallida J. P. Smith, Steve Selva 1970-6-16 4065 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  HSC4954  Amelanchier pallida J. O. Sawyer 1968-9-28 735 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  HSC65271  Amelanchier pallida Rich White 1978-7-6 247 Siskiyou Pond above Elk Hole 1524 Comment
  CAS-BOT-BC136918  Amelanchier utahensis Ira L. Wiggins 1955-7-27 13564 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  UC453989 Image available Amelanchier utahensis I. J. Condit 1911-7-16 Siskiyou Shasta Retreat Comment
  HSC3527  Amsinckia tessellata R. C. Wunner 1965-6-22 256 Siskiyou Lava Beds National Monument, Canby Bay. 1220 Comment
  CAS-BOT-BC45216  Anaphalis margaritacea Alice Eastwood 1912-7-23 1344 Siskiyou Cantara Comment
  RSA238884  Anaphalis margaritacea Frederick W. Oettinger 1969-8-15 1382 Siskiyou North of Upper English lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1776 Comment
  SEINET8379680  Andersonglossum occidentale L. E. Detling 1947-6-3 6058 Siskiyou Hapy Camp, Klamth National Forest. 335 Comment
  HSC43  Anemone deltoidea William J. Ferlatte 1966-6-22 89 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's. 1524 Comment
  HSC4932  Anemone deltoidea J. O. Sawyer 1968-9-28 746 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  JEPS25621  Anemone deltoidea Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7254 Siskiyou Poker Flat 1536 Comment
  JEPS80570  Anemone deltoidea Gilbert Muth 1965-8-3 160 Siskiyou pothole in marble, Marble Mt Wilderness Area Marble Mt Wilderness Area 1792 Comment
  SBBG15606  Anemone deltoidea D. Myrick 1961-6-21 306 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1371 Comment
  UC1409279  Anemone deltoidea Frederick W. Oettinger 1968-8-6 429 Siskiyou se corner Hancock Lake (Salmon Mtns, w Siskiyou Co., vicinity of English Pk); Salmon Mtns, Marble Mtn Wilderness Area 1935 Comment
  SEINET12087307  Anemone deltoidea J. T. Howell 1939-1 14927 Siskiyou Marble Mountains, Spirit Lake Comment
  SEINET12093238  Anemone deltoidea Unknown 1982-1 20592 Siskiyou Cook and Green Pass 1524 Comment
  UCD19276  Anemone deltoidea Julie Knorr 1980-7-16 69 Siskiyou Trinity Alps Primitive Area,1 mi. up Fish Creek Trail,. 1676 Comment
  UC853533  Anemone drummondii Alice Eastwood 1912-8-30 1964 Siskiyou Mt. Eddy Comment
  HSC32294  Anemone drummondii J. O. Sawyer 1971-6-30 2398 Siskiyou 1677 Comment
  SEINET12093424  Anemone lyallii H. P. Chandler 1901-1 1551 Siskiyou near Marble Mountain 1829 Comment
  UCD127105  Angelica arguta R. Tofsrud 1948-8-3 s.n. Siskiyou Siskiyou-Del Norte (Oregon) County Line: Summit of Happy Camp, Waldo (Oregon) Road. 1554 Comment
  UCD127194  Angelica tomentosa J. M. Tucker 1963-8-20 3787 Siskiyou around 1/2 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area. 1920 Comment
  HSC67867  Antennaria argentea J. P. Smith 1976-5-5 8691 Siskiyou Road from Forks of Salmon to Somes Bar 366 Comment
  UCR51803  Antennaria argentea L. C. Wheeler 1934-7-3 02852 Siskiyou Siskiyou Mtns., Head of Soda Creek, Sterling Mt. Mt. Diablo Meridian. 1768 Comment
  CAS-BOT-BC59281  Antennaria argentea J. H. Thomas 1954-5-13 4160 Siskiyou Salmon Mountains, Klamath National Forest 1127 Comment
  SEINET2031016 Image available Antennaria dimorpha Gene B. Newcomb, H. G. Baker 1959-3-28 237 Siskiyou 4.5 miles N of Yreka city limits on US Highway 99. 910 Comment
  JEPS13177  Antennaria geyeri W. L. Jepson 1894-1 Siskiyou Sisson Comment
  CAS-BOT-BC58711  Antennaria geyeri Elmer I. Applegate 1936-7-4 10513 Siskiyou Lava Beds National Monument. Caldwell Butte Crater Comment
  OBI55455  Antennaria howellii subsp. howellii David J. Keil, Kathleen Keil 1992-7-21 23549 Siskiyou Klamath natl forest SE of Callahan. forest Rd 40N08, 4.2 mi W of Scott Mtn rd (hwy 3) Comment
  JEPS94255  Antennaria rosea subsp. rosea Vernon H. Oswald and Lowell Ahart 1998-6-11 9210 Siskiyou 22 air mi ne of Weed (9 air mi e of Grass Lake located on Highway 97, Old State Highway 0.1 mi e of Tennant Road) 1402 Comment
  SEINET516159 Image available Apera interrupta Vernon H. Oswald 1998-6-27 9243 Siskiyou Big Tableland at the southwest edge of the Lower Klamath National Wildlife Refuge. 1353 Comment
  HSC102657  Apera interrupta J. P. Smith 2009-6-1 12615 Siskiyou Road to Tenant. Comment
  CHSC75666  Apocynum androsaemifolium Vernon H. Oswald; Lowell Ahart 1999-7-5 9808 Siskiyou Gazelle Mtn. on road 41N03 0.5 mi southeast of Gazelle-Callahan Hwy. 1508 Comment
  HSC65308  Apocynum androsaemifolium J. P. Smith, Steve Selva 1970-7-15 4371 Siskiyou 2 mi. below the Baldy Mt. Lookout Station. Comment
  JEPS74501  Apocynum androsaemifolium W. J. Ferlatte 1966-8-18 408 Siskiyou 3 mi. s. Big Flat; Trinity Alps 1584 Comment
  SBBG21855  Apocynum androsaemifolium D. Myrick 1964-7-25 946 Siskiyou Shasta Ski Bowl Hwy, Mt Shasta 1219 Comment
  SBBG30602  Apocynum androsaemifolium D. Myrick 1968-6-24 2005 Siskiyou Adams Crk above Mountain Meadow Ranch, Big Flat, Coffee Crk; Trinity Alps 1828 Comment
  JEPS24019  Apocynum androsaemifolium Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6880 Siskiyou 16 mi above and nw Happy Camp (Happy Camp - Takilma road, in drainage of Indian Creek); Siskiyou Mts., drainage of Indian Creek 1097 Comment
  RSA24234  Apocynum androsaemifolium subsp. pumilum C. B. Wolf 1940-12-13 3889 Siskiyou Mt. Shasta s lower slopes. 4 mi N of Mt. Shasta City along power line road. 1280 Comment
  RSA403115  Apocynum androsaemifolium subsp. pumilum B. C. Templeton 1960-6-21 8538 Siskiyou Between Callahan and the summit of Scott mts. Comment
  CAS-BOT-BC394980  Aquilegia formosa John Thomas Howell 1939-8-10 15278 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  RSA12588  Aquilegia formosa var. truncata Carl B. Wolf 1934-7-6 5998 Siskiyou 4.7 miles from Mt. Shasta City on Wagon Camp Road, SW slope of Mt. Shasta 1220 Comment
  RSA183670  Aquilegia formosa var. truncata Gilbert Muth 1965-8-5 173 Siskiyou Marble Mts Comment
  UC61173  Arabis glabra W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta 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
  HSC25413  Arabis holboellii var. pinetorum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5693 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  UC1483493  Arabis holboellii var. pinetorum J. Sawyer and J. Cole 1980-7-22 3916 Siskiyou nw slopes Cedar Mtn.; Klamath National Forest, Bray Quad. 1524 Comment
  UC375279  Arabis holboellii var. retrofracta Geo. D. Butler 1910-6-5 1525 Siskiyou Log Lake Shackleford Creek Comment
  HSC29175  Arabis holboellii var. retrofracta Frederick W. Oettinger 1969-7-10 961 Siskiyou Marble Mtn. Wilderness Area, SW of Upper English Lake 1921 Comment
  HSC92701  Arabis modesta D. L. Goforth 1980-4-23 476 Siskiyou Salmon River Rd. across from Sauerkraut Gulch 366 Comment
  POM144225  Arabis platysperma var. howellii M. S. Baker 1898-8-7 484 Siskiyou Medicine Lake. Comment
  RSA211449  Arabis platysperma var. howellii William J. Ferlatte 1966-7-6 185 Siskiyou Caribou Mtn. 2470 Comment
  HSC67832  Arabis sparsiflora J. O. Sawyer, J. Cole 1980-7-22 3826 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  UC583383  Arabis sparsiflora Elmer I. Applegate 1932-6-13 7239 Siskiyou Captain Jack's Stronghold Modoc Lava Beds Comment
  RSA126341  Aralia californica I. L. Wiggins 1955-7-22 s.n. Siskiyou South Fork of Salmon River, 9.5 miles above Cecilville. 1067 Comment
  SEINET2471354  Arceuthobium abietinum R. L. Mathiasen 2007-9-19 2007 -52 Siskiyou Etna Summit ca. 13 km W. of Etna on rd. to Sawyers Bar 1850 Comment
  POM268120  Arceuthobium abietinum Marion Ownbey, Fred G. Meyer 1940-7-6 2212 Siskiyou Summit of Cayenne Ridge, near Marble Mountain. Comment
  UCR168434  Arceuthobium douglasii L. C. Wheeler 1934-6-25 2783 Siskiyou Siskiyou Mtns., west fork of Cottonwood Creek 1372 Comment
  CDA6780  Arctium minus T. C. Fuller 1960-8-23 4965 Siskiyou ca. 1 mile south of Greenview. 0 Comment
  CAS-BOT-BC24161  Arctostaphylos Louis C. Wheeler 1963-9-3 8344 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Brushy, sunny, rocky W slope. Comment
  CAS-BOT-BC39988  Arctostaphylos nevadensis John Thomas Howell 1937-7-25 13440 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC4922  Arctostaphylos nevadensis J. O. Sawyer 1968-7-9 421 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  SEINET11991025  Arctostaphylos nevadensis S. Edwards, Roderick, W. 1983-1 102 Siskiyou on Cook & Green Pass E of pass 1524 Comment
  CAS-BOT-BC46427  Arctostaphylos patula Alice Eastwood 1921-7-28 10891 Siskiyou Little Mt. Hoffman. Comment
  CAS-BOT-BC46430  Arctostaphylos patula Doris K. Kildale; J. W. Gillespie 1929-6-22 8034 Siskiyou Base of Black Butte near Mt. Shasta. Comment
  CAS-BOT-BC46432  Arctostaphylos patula T. H. Harris 1951-6-1 s.n. Siskiyou Happy Camp. 1737 Comment
  CAS-BOT-BC46460  Arctostaphylos patula G. D. Hanna; M. M. Hanna 1956-6-6 1000 Siskiyou Glass Mt. 2316 Comment
  CAS-BOT-BC46462  Arctostaphylos patula Mrs. H. C. Cantelow 1936-5-21 s.n. Siskiyou N. slope of Scott Mt. 1524 Comment
  CAS-BOT-BC46473  Arctostaphylos patula W. R. Dudley 1899-8-22 s.n. Siskiyou Toward foot of Craggy Mt. Comment
  RSA238584  Arctostaphylos patula Frederick W. Oettinger 1967-8-26 324 Siskiyou Top of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  UC1190132  Arctostaphylos patula Ira L. Wiggins 1955-7-22 13459 Siskiyou ridge w China Creek (s side of river); S Fork of Salmon River 944 Comment
  UC571216  Arctostaphylos patula Dorothy Tebbe 1929-7-6 27 Siskiyou near Etna Mills; Salmon Summit Comment
  UC585198  Arctostaphylos patula E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1950 Siskiyou on hwy from Bray to Weed, about 2 mi s Sheep Rock (n slope of mt.); Mt. Shasta 1235 Comment
  UCD53258  Arctostaphylos patula Harriet P. Kelley 1914-3-22 s.n. Siskiyou Dunsmuir. Comment
  SEINET11988199  Arctostaphylos patula var. coalescens W. Roderick, Sigg, J. 1981-1 s.n. Siskiyou between Horsetail & Cook & Green Pass 1341 Comment
  CAS-BOT-BC47011  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1929-5-12 7792 Siskiyou Sawyers Bar, n. fork of Salmon River. Comment
  RSA629723  Arctostaphylos viscida subsp. viscida L. C. Wheeler 1958-8-19 7401 Siskiyou Seiad Creek Mine. Comment
  SBBG5517  Arctostaphylos viscida subsp. viscida H. and M. Dearing 1939-6-3 3535 Siskiyou near Scott Bar 609 Comment
  UC852283  Arenaria congesta var. suffrutescens Alice Eastwood 1912-8-30 2033 Siskiyou Mount Eddy Comment
  HSC22147  Arnica amplexicaulis J. O. Sawyer 1969-9-18 2016 Siskiyou S of Sugar Lake Comment
  HSC2413  Arnica cordifolia William J. Ferlatte 1966-8-5 338 Siskiyou Caribou Mtn. 2470 Comment
  HSC82255  Arnica cordifolia Thomas W. Nelson, Jane P. Nelson 1980-7-20 6178 Siskiyou Hillside above Big Carmen Lake 1738 Comment
  OBI55537  Arnica discoidea David J. Keil, Kathleen Keil 1992-7-24 23559 Siskiyou Klamath Natl forest E of Callahan. 1 mi N of Kangaroo Lake on Rail Crk rd Comment
  HSC58902  Arnica diversifolia Marvin Butler 1971-8-11 289 Siskiyou Near El Capitan, close to the town of Cave Junction 1524 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
  UC1483461  Arnica latifolia Maralyn A. Renner 1980-7-14 1719 Siskiyou Etna Creek (headwaters) Etna Quad., Etna Creek 1706 Comment
  UC166159  Arnica mollis Geo. D. Butler 1910-7-13 1773 Siskiyou Shackleford Creek 1219 Comment
  RSA238811  Arnica nevadensis Frederick W. Oettinger 1969-8-6 1221 Siskiyou South side of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  RSA417151  Arnica nevadensis M. B. Dunkle 1944-6-26 9044 Siskiyou Deer Creek. 1829 Comment
  CAS-BOT-BC90082  Arnica viscosa Bassett Maguire 1939-8-8 13833 Siskiyou in the valley of Horse Camp Creek 2468 Comment
  CHSC65616  Arnica viscosa Maria Ulloa-Cruz 1994-8-3 51 Siskiyou Shasta-Trinity National Forests. McCloud Ranger District. 2000 Comment
  UC444336  Arnica viscosa W. L. Jepson and N. B. Greene 1894-1 45941 Siskiyou Mt. Shasta Comment
Read comments
Jan 18 2009
  RSA184777  Arrhenatherum elatius Gilbert Muth 1966-8-1 487 Siskiyou Marble Valley Horse Pasture, Marble Mountains 1793 Comment
  CAS-BOT-BC90473  Artemisia douglasiana David Keck 1938-8-19 11509 Siskiyou Howard, along overflow stream from Mount Shasta City water resevoir 1219 Comment
  SEINET6775399 Image available Artemisia douglasiana G. D. Butler 1910-7-29 1798 Siskiyou Yreka Comment
  CAS-BOT-BC90740  Artemisia ludoviciana subsp. incompta Gilbert Muth 1966-7-31 472 Siskiyou north side of Black Mountain, Marble Mts. 2011 Comment
  JEPS94675  Artemisia ludoviciana subsp. incompta Vernon H. Oswald and Lowell Ahart 1998-7-21 9339 Siskiyou on s side of Tennant Rd. 0.2 mi se Old State Hwy. to Bray (and on e side of intermittent stream draining Dry Lake) 1402 Comment
  CAS-BOT-BC90742  Artemisia ludoviciana subsp. incompta Gilbert Muth 1965-8-17 s.n. Siskiyou On trail to backside of Black Mt. Comment
  UC630385  Artemisia norvegica subsp. saxatilis Annetta Carter 1939-8-21 1471 Siskiyou steep slope above se end Taylor Lake (12 mi sw of Etna); Salmon Mountains 2194 Comment
  HSC5015  Artemisia tridentata subsp. tridentata R. C. Wunner 1965-8-26 481 Siskiyou Lava Beds N.M., N Prefab Indian Well 1433 Comment
  RSA417428  Artemisia tridentata subsp. tridentata M. B. Dunkle 1929-8-26 2328 Siskiyou Golden Trout Creek. 2744 Comment
  CAS-BOT-BC447711  Aruncus dioicus var. vulgaris Edward Lee 1934-8-11 1031 Siskiyou Walker Creek, a tributary of the Klamath River (east end of Seiad Valley) 609 Comment
  RSA237600  Aruncus sylvester Frederick W. Oettinger, Robert F. Thorne 1969-8-9 1327 Siskiyou Near Five miles Point, Stock gate slope near Herr Creek. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1098 Comment
  UC1313032  Asarum caudatum J. M. Tucker 1963-7-9 3736 Siskiyou Canyon Creek Trail, ca. 1 mile east of Marble Valley Guard Station, Marble Mountain Wilderness Area 1524 Comment
  CAS-BOT-BC400706  Asarum hartwegii Elmer I. Applegate 1895-5-29 649 Siskiyou Sacramento Canyon below Sisson Comment
  RSA240101  Asarum hartwegii Frederick W. Oettinger 1969-8-9 1326 Siskiyou Along the North Fork Trail about .2 mi NW of Herr Creek. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1098 Comment
  CDA39801  Asclepias cordifolia F. D. Horn 1977-5-22 s.n. Siskiyou North shore, Copco Lake, east of Hornbrook. 0 Comment
  CDA15398  Asclepias speciosa G. F. Hrusa 1997-9-18 14109 Siskiyou Shasta Valley. 1 mi. S of Gazelle on Old Hwy. 99. Comment
  SBBG25826  Asclepias speciosa D. Myrick 1966-8-9 1504 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  SD53385  Asclepias speciosa Darley F. Howe 1962-8-4 3393 Siskiyou Near summit of Baldy Mountain 1735 Comment
  POM76059  Asclepias speciosa Geo. D. Butler 1910-6-8 1557 Siskiyou Dry land near Yreka Comment
  SEINET10814570  Asclepias speciosa Edward L. Greene 1876-6-28 Greene 899 Siskiyou Collected near Yreka. Comment
  UCD121379  Asclepias speciosa H. P. Olmo 1931-6-1 s.n. Siskiyou Scott Creek. Comment
  CAS-BOT-BC69561  Aspidotis densa Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, trinity Mts. 1889 Comment
  CAS-BOT-BC69593  Aspidotis densa C. L. Hitchcock; J. S. Martin 1939-7-7 5283 a Siskiyou 1/2 mi. below Sanger Peak Lookout. 1524 Comment
  HSC19423  Aspidotis densa J. O. Sawyer 1968-7-23 618 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake 1829 Comment
  SBBG17697  Aspidotis densa M. A. Piehl 1956-8-14 Siskiyou N of Happy Camp Comment
  SEINET3868734  Aspidotis densa M. L. Conrad, Morris; Kenney 1973-6-3 7016 Siskiyou Matthew's Creek Campground on south fork of Salmon River.; 0 549 Comment
  UC593452  Aspidotis densa E. B. Babcock and G. L. Stebbins Jr. 1936-6-13 1986 Siskiyou ca. 1 1/2 mi w Mt Shasta City (spur of Rainbow Ridge above Sulloway Creek) 1180 Comment
  CDA42727  Aspidotis densa T. C. Fuller, D. H. Shaw 1974-9-24 20043 Siskiyou Summit of the Siskiyou Mountains above Pacific Crest Trail, summit of the Siskiyou Mountains, east of White Mountain. 0 Comment
  RSA60664  Aspidotis densa I. L. Wiggins 1950-5-28 12379 Siskiyou Just above Grouse Lake, headwaters of Grouse Lake 1829 Comment
  SEINET7545236  Aster copelandii E. B. Copeland 1903-1 CFBaker 3867 Siskiyou Mt. Eddy, Pacific Coast 2743 Comment
  POM211816  Aster eatonii L. C. Wheeler 1934-9-19 3284 Siskiyou Walker, Klamath River 518 Comment
  RSA142693  Aster occidentalis Philip A. Munz 1960-8-22 24173 Siskiyou Panther Meadows, Mt. Shasta 2287 Comment
  RSA94040  Astragalus californicus R. C. Barneby 1954-5-16 11516 Siskiyou Klamath River canyon 1/2 miles below Hamburg. 457 Comment
  RSA60233  Astragalus filipes E. K. Balls 1950-5-17 14719 Siskiyou By New Lava Flow, on rd. to Capt. Jacks Stronghold. Lava Beds National Monument. 1585 Comment
  CDA26704  Astragalus lentiginosus var. salinus T. C. Fuller 1962-6-12 8966 Siskiyou Davis Road to Medicine Lake, Little Oklahoma district, ca. 15 miles east of Dorris. 0 Comment
  CAS-BOT-BC192916  Astragalus purshii var. lectulus Copeland 1903-7-6 3557 Siskiyou Hornbrook Comment
  CAS-BOT-BC192921  Astragalus purshii var. lectulus L. E. Smith 1913-5-18 230 Siskiyou Bray Comment
  UC163878  Astragalus purshii var. tinctus Geo. D. Butler 1910-3-20 1134 Siskiyou near Yreka; near Yreka Comment
  JEPS81879  Astragalus whitneyi Roger Raiche 1982-7-4 20531 Siskiyou Mt. Eddy Comment
  HSC81752  Astragalus whitneyi var. siskiyouensis Thomas W. Nelson, Jane P. Nelson 1980-7-20 6190 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  CHSC63505  Asyneuma prenanthoides Vernon H. Oswald; Lowell Ahart 1994-8-1 6421 Siskiyou Forest Rd. 26 paralleling the South Fork of the Sacramento River, 0.3 mi E of Forest Rd. 40N43, 9.0 mi SW of the dam at Lake Siskiyou. 1438 Comment
  HSC41795  Asyneuma prenanthoides Brent Whiteley 1975-6-22 37 Siskiyou Klamath National Forest along Hwy. 96 near Somes Bar. 220 Comment
  CAS-BOT-BC66192  Athyrium filix-femina var. cyclosorum Ira L. Wiggins 1955-7-24 13500 Siskiyou Trail at crossing of China Creek, above diversion dam 1301 Comment
  CAS-BOT-BC66200  Athyrium filix-femina var. cyclosorum A. A. Heller 1915-8-26 12234 Siskiyou Mt. Eddy 1828 Comment
  CAS-BOT-BC66202  Athyrium filix-femina var. cyclosorum H. E. Brown 1897-7-15 s.n. Siskiyou South side Mt. Shasta 3048 Comment
  HSC9030  Avena fatua D. M. Thomson 1965-7-17 152 Siskiyou Lava Beds National Monument, N boundary Comment
  CHSC35673  Balsamorhiza deltoidea R. E. Preston 1982-5-1 275 Siskiyou Above Irongate Reservoir, ca. 1/2 mi SE of Camp Creek Recreation Area, ca. 20 mi NE of Yreka. 716 Comment
  UC166118  Balsamorhiza deltoidea Geo. D. Butler 1909-4-14 595 Siskiyou Humbug Road Comment
  CAS-BOT-BC106547  Balsamorhiza deltoidea L. E. Smith 1913-5-16 220 Siskiyou Dunsmuir Comment
  CDA10483  Balsamorhiza deltoidea T. C. Fuller 1958-4-16 4752 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  POM350742  Balsamorhiza lanata Christopher Davidson 1975-6-5 2656 Siskiyou just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  UC573160  Balsamorhiza sagittata M. H. Mitchell 1936-5-8 Siskiyou 1/4 mi e of Symbol Bidge 1417 Comment
  RSA237403  Barbarea orthoceras Frederick W. Oettinger 1968-8-23 620 Siskiyou Due west of English Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  HSC65096  Berberis aquifolium var. aquifolium J. P. Smith 1973-5-5 6478 Siskiyou Along Cook and Green Pass Rd. Comment
  UCD95066  Berberis aquifolium var. aquifolium Sandra L. Holloway 1963-5-19 55 Siskiyou 2 miles E of forks of Big Humbug Creek, W of Hawkinsville. 1066 Comment
  HSC69522  Berberis aquifolium var. repens Maralyn A. Renner 1980-6-26 1286 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  JEPS47737  Berberis aquifolium var. repens W. L. Jepson 1907-7-19 2948 Siskiyou Indian Creek Siskiyou Mts Comment
  CAS-BOT-BC75721  Berberis nervosa Louis C. Wheeler 1934-6-29 2822 Siskiyou Klamath Forest. Soda Creek. 1280 Comment
  HSC5005  Berberis nervosa J. O. Sawyer 1968-6-18 186 Siskiyou Above S Russian Creek on W side. 1463 Comment
  CAS-BOT-BC76001  Berberis pumila Wm. F. Herrin 1920-5-1 s.n. Siskiyou Shasta Springs. Comment
  CAS-BOT-BC169402  Betula occidentalis William Adams Dayton 1913-9-14 17519 Siskiyou E Fork of Scott River Range, along Rail Creek. Shasta Forest 1249 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
  CAS-BOT-BC227789  Betula occidentalis Elmer I. Applegate 1895-5-28 635 Siskiyou Sacramento River below Sisson Comment
  JEPS81791  Bidens cernua Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6819 Siskiyou 7 mi e Callahan 1127 Comment
  JEPS11902  Bidens cernua Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-13 4801 Siskiyou about 0.8 mi s of Fort Jones; Scott Valley 822 Comment
  CAS-BOT-BC127936  Blepharipappus scaber J. J. Walters 1936-5-30 s.n. Siskiyou Bogus Creek, one mile above its confluence with the Klamath River Comment
  CHSC118591  Blepharipappus scaber Richard R. Halse 2016-5-29 9717 Siskiyou Along Hilt Road ca. 2.1 miles northwest of Hilt on the Oregon/California State Line. 876 Comment
  HSC68501  Blepharipappus scaber Maralyn A. Renner 1980-6-22 908 Siskiyou Slopes N of Little Shasta River 1372 Comment
  UC166059  Blepharipappus scaber Geo. D. Butler 1910-5-17 1355 Siskiyou Yreka Comment
  UC166215  Blepharipappus scaber Geo. D. Butler 1909-4-28 590 Siskiyou Cherry Creek Comment
  POM351061  Blepharipappus scaber L. C. Wheeler 1935-6-9 3553 Siskiyou Yreka Creek, Siskiyou Mountains. 1220 Comment
  CAS-BOT-BC15805  Boechera acutina John Thomas Howell 1937-7-21 13205 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  JEPS82691  Boechera breweri Steve Edwards 1984-6-7 Siskiyou South China Mtn. 2286 Comment
  UC1586875  Boechera divaricarpa Juha Pykala and D. H. Norris 1987-6-26 2041 Siskiyou above Bear Lake; Marble Mountain Wilderness Area 1950 Comment
  CAS-BOT-BC13815  Boechera howellii John Thomas Howell 1937-7-25 13444 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  UCD77348  Boechera howellii Robert E. Preston 2001-6-30 1647 b Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W nw 1/4 of se 1/4 Section 14 1889 Comment
  CHSC38087  Boechera pinetorum R. E. Preston; L. E. Preston 1983-6-9 390 Siskiyou Grass Lake Rest Area. 1542 Comment
  CAS-BOT-BC25426  Boechera retrofracta Alice Eastwood 1923-5-29 11989 Siskiyou Cantara. Comment
  CAS-BOT-BC25619  Boechera retrofracta Roxana S. Ferris; Laura Lorraine 1948-6-12 11762 Siskiyou East fork of Scott River one mile north of Callahan. Comment
  CAS-BOT-BC410946  Boechera sparsiflora Geo. D. Butler 1910-4-16 1178 Siskiyou Klamath hills Comment
  UC1045263  Boechera sparsiflora Reed Rollins 1940-7-26 15365 Siskiyou Diller Canyon Mount Shasta 1828 Comment
  UC932078  Boechera sparsiflora Verne Grant and Alva Grant 1947-6-5 7972 Siskiyou Modoc Lava Beds Comment
  CAS-BOT-BC25881  Boechera subpinnatifida John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53440 Siskiyou 7 miles east of Callahan on road to Gazelle. 1173 Comment
  UC1409353  Boechera suffrutescens Frederick W. Oettinger 1968-8-16 540 Siskiyou n of Hancock Lake (w side of Red Hill, vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, English P 2057 Comment
  CAS-BOT-BC25925  Boechera suffrutescens R. C. Wenk 2005-7-15 206 Siskiyou Trinity Alps, above S Fork of Salmon R, along Yellow Rose Mine trail, top of Pass between Yellow Rose and Dorleska mines 2133 Comment
  SEINET10585318  Bolboschoenus maritimus George D. Butler 1910-8-21 Butler 1847 Siskiyou Shasta Valley. Comment
  SEINET3561644 Image available Boschniakia strobilacea James Montgomery 1969-7-24 80918 c Siskiyou Mount Shasta, Shasta National Forest. 1981 Comment
  UC810936  Botrychium simplex W. Bridge Cooke and V. G. Cooke 1942-9-8 Siskiyou Panther Creek Mount Shasta 2438 Comment
  CAS-BOT-BC418421  Boykinia occidentalis Doris K. Kildale 1928-7-1 5329 Siskiyou Forks of Salmon Comment
  CAS-BOT-BC30274  Brassica nigra R. E. Frenkel 1964-7-13 676 Siskiyou On graded right of way to west of Everitt Memorial Highway. 1283 Comment
  UCD77426  Brickellia grandiflora Robert E. Preston 2001-7-21 1711 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, 2026 Comment
  CAS-BOT-BC127859  Brickellia grandiflora Wm. Bridge Cooke 1941-8-22 16209 Siskiyou among lava boulders in the Lava Park above Bolam Station on the north side of Mt. Shasta 1524 Comment
  UC894186  Brickellia grandiflora Alice Eastwood 1912-7-26 1459 Siskiyou Pitt to Kennet Sisson Comment
  CHSC63594  Brickellia greenei Vernon H. Oswald; Lowell Ahart 1994-8-1 6417 A Siskiyou Forest Rd. 26 paralleling the South Fork of the Sacramento River, 1.5 mi E of Forest Rd. 40N43, 7.8 mi SW of the dam at Lake Siskiyou. 1341 Comment
  HSC103031  Bromus diandrus J. P. Smith 2014-6-7 13889 Siskiyou Yreka 844 Comment
  UC1255319  Bromus diandrus Dorothy Parker 1949-6-16 323 Siskiyou at the entrance to McConahue Gulch (Scott Valley); Scott Valley 853 Comment
  JEPS69188  Bromus hordeaceus Geo. D. Butler 1909-5-26 819 Siskiyou field near Yreka Comment
  UCD58801  Bromus hordeaceus Geo. D. Butler 1910-5-4 1276 Siskiyou Near Yreka. Comment
  POM115034  Bromus marginatus Geo D. Butler 1910-7-3 1622 Siskiyou Goose nest foothills 1220 Comment
  RSA239074  Bromus orcuttianus Frederick W. Oettinger 1969-9-4 1639 Siskiyou On south side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UC144490  Bromus orcuttianus A. A. Heller 1905-6-13 8026 Siskiyou near Shasta Springs Comment
  POM90566  Bromus orcuttianus A. A. Heller 1905-6-13 8026 Siskiyou near Shasta Springs [Siskiyou Co.?--county not indicated on specimen label] Comment
  SEINET10868044  Bromus orcuttianus A. Arthur Heller 1915-7-18 Heller s.n. Siskiyou Open places in the forest in moist soil, Metcalf's ranch, base of Mt. Eddy. Douglas fir has replaced Jeffrey pine. Comment
  UC909360  Bromus racemosus Ira L. Wiggins 1950-5-27 12354 Siskiyou East Fork of Scott River, Callahan, Callahan Ranger Station Callahan Ranger Station; Scott River, Callahan, Callahan Ranger Station 975 Comment
  RSA184791  Bromus suksdorfii Gilbert Muth 1966-7-17 409 Siskiyou Trail to lookout, on ridge, Marble Mountains 2043 Comment
  CAS-BOT-BC161414  Bromus tectorum William Bridge Cooke 1938-7-1 11159 Siskiyou Above Bear Spring near the Bear Spring-Wagon Camp Road. 1676 Comment
  CHSC86643  Bromus tectorum Jenny Marr 1993-7-1 26 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC36429  Bromus tectorum J. O. Sawyer 1969-7-9 1216 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  HSC43469  Bromus tectorum Maralyn O'Meara 1974-5-25 380 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  UC618647  Bromus tectorum W. Bridge Cooke 1938-7-1 11159 Siskiyou above Bear Spring (near the Bear Spring-Wagon Camp Road, Mount Shasta); Mount Shasta 1676 Comment
  RSA239003  Calamagrostis breweri Frederick W. Oettinger 1968-8-2 354 Siskiyou South end of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  HSC26914  Calamagrostis canadensis var. langsdorffii J. P. Smith, J. O. Sawyer 1971-9-17 4777 Siskiyou Little Duck Lake Comment
  CAS-BOT-BC185255  Calamagrostis koelerioides Geo. D. Butler 1910-7-12 1746 Siskiyou Shackleford Creek. 1371 Comment
  RSA239131  Calamagrostis koelerioides Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1162 Siskiyou above Halfway Spring on trail from English Lake to Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  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
  UCD57335  Calamagrostis koelerioides Beecher Crampton 1956-8-21 3825 Siskiyou the headwater of the south fork of the Sacramento River, 1/2 mile northeast of Gumboot Lake. 1767 Comment
  JEPS42820  Callitriche heterophylla var. bolanderi Geo. D. Butler 1908-12-27 1540 Siskiyou Oro Fino Comment
  HSC61966  Callitropsis nootkatensis Al Hobart 1961-7-20 Siskiyou Preston Peak 2134 Comment
  CAS-BOT-BC85774  Calocedrus decurrens David D. Keck 1949-7-20 6371 Siskiyou 3 miles N.E. of Ft. Jones on westerly slope of mountians. Comment
  HSC49916  Calocedrus decurrens Maralyn O'Meara 1974-5-25 396 Siskiyou Along road to Duck Lakes trail 1402 Comment
  HSC68565  Calocedrus decurrens Maralyn A. Renner 1980-6-7 793 Siskiyou N of Greenhorn Rd. Comment
  OBI55417  Calocedrus decurrens David J. Keil 1992-7-20 23512 Siskiyou Etna 1000 Comment
  RSA604462  Calocedrus decurrens L. C. Wheeler 1959-7-21 7587 Siskiyou Salmon Mountains: Dry Gulch Mine off Crawford Creek off South Fork Salmon River. 1219 Comment
  CAS-BOT-BC85749  Calocedrus decurrens C. Hart Merriam 1907-9-15 s.n. Siskiyou Near Hat Creek (between Snell's and Eldredge's. Comment
  NY18928  Calocedrus decurrens H. T. Edwards 08 1875 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
  NY18935  Calocedrus decurrens E. B. Copeland 1903-8-13 3913 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
  UC667129  Calochortus coeruleus Joseph P. Tracy 1935-8-4 14524 Siskiyou 5 mi e Mary Blaine Mt. (Snow Prairie at summit of ridge, extreme head of Plummer Creek); Plummer Creek 1859 Comment
  UCSB25086  Calochortus elegans Keefe, Joseph 1967-7-11 Siskiyou Near summit by Little Castle Lake, south of Castle Lake, 10 miles southwest of town of Mt. Shasta 2011 Comment
  CDA39290  Calochortus elegans var. nanus T. R. Haig & F. D. Horn 1978-5-31 s.n. Siskiyou Site of Deadwood Lookout, Fort Jones. 0 Comment
  UC1478044  Calochortus longebarbatus var. longebarbatus Jeff Prouty and Heinitz 1980-7-9 1129 Siskiyou 2 mi nw Pondosa; Shasta-Trinity National Forest, Tom Young Flat 1280 Comment
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Apr 18 2012
  JEPS93893  Calochortus macrocarpus Vernon H. Oswald and Lowell Ahart 1998-7-21 9321 Siskiyou Highway 97 at the 11.0 mile marker 1.2 mi w of A12 ne of Weed; Highway 97, 11.0 mile marker 1188 Comment
  RSA52433  Calochortus macrocarpus Dorothy Parker 1948-7-26 158 Siskiyou Cal-Ore, near Calif.-Ore. border 1220 Comment
  CAS-BOT-BC493096  Calochortus nudus A. A. Heller 1915-7-15 12100 Siskiyou Mt. Eddy in open swampy places in the forest 1371 Comment
  JEPS105051  Calochortus persistens Dean W. Taylor 1996-7-7 15800 Siskiyou Gunsight Peak (about 5 air miles northwest of Yreka); Klamath National Forest 1859 Comment
  SJSU2575  Calochortus tolmiei H. L. Buckalew 1962-7-9 Siskiyou near Poker Flat c. 4 mi W of junction of Indian Creek with W Fork Indian Creek, Siskiyou Mts 1066 Comment
  CAS-BOT-BC181515  Caltha leptosepala H. A. Thomas; J. H. Thomas 1954-7-24 4498 Siskiyou Vicinity of Rush Lake and Rush Creek Meadow, about 9 miles E of Cecilville, Salmon - Trinity Mts. 1981 Comment
  CAS-BOT-BC181516  Caltha leptosepala Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  UCD95573  Caltha leptosepala John M. Tucker; D. V. Hemphill 1974-7-27 4308 Siskiyou Beside Haypress Creek, a short distance downstream from Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  UC134365  Calycadenia truncata Dr. E. B. Copeland 1903-7-4 3547 Siskiyou Klamathon Comment
  UC894270  Calycadenia truncata Alice Eastwood 1922-10-23 11552 Siskiyou Yreka Comment
  SBBG16542  Calyptridium monospermum D. Myrick 1961-6-20 272 Siskiyou near Mt Shasta City 1066 Comment
  CAS-BOT-BC221257  Calystegia malacophylla subsp. malacophylla Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC221263  Calystegia malacophylla subsp. malacophylla Alice Eastwood 1912-8-30 2030 Siskiyou Mount Eddy Comment
  UC164126  Calystegia occidentalis subsp. occidentalis Geo. D. Butler 1910-5-23 1397 Siskiyou Humbug Mountain 1066 Comment
  OBI55473  Camassia quamash David J. Keil, Kathleen Keil 1992-7-21 23533 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08, 1.7 mi W of Scott Mtn rd 9hwy 3) Comment
  POM109509  Camassia quamash subsp. breviflora Geo D. Butler 1909-6-22 891 Siskiyou Goose nest meadows 1524 Comment
  JEPS53276  Camelina microcarpa Geo. D. Butler 1909-4-20 622 Siskiyou near Yreka Comment
  RSA530924  Camelina microcarpa L. C. Wheeler 1934-6-10 2672 Siskiyou Hungry Creek. Siskiyou Mountains. Mt. Diablo Mer. 1098 Comment
  POM224484  Camissonia tanacetifolia subsp. tanacetifolia L. S. Rose 1936-7-28 36710 -A Siskiyou Mt. Hebron 1298 Comment
  RSA186581  Camissonia tanacetifolia subsp. tanacetifolia D. Bates 1960-6-13 2436 Siskiyou Route 97 at Grass Lake Comment
  SEINET10462932  Campanula prenanthoides Clifton 1979-4-28 CLIFTON 3466 Siskiyou NR SCOTT R., SEIAD V. QUAD. NR SCOTT BAR 1601', Comment
  SEINET10463323  Campanula prenanthoides Muth 1976-7-27 MUTH s.n. Siskiyou NR TWIN VALLEY, PRESTON PK QUAD, NR HAPPY CAMP 5400', MEADOW, S EXPOSURE Comment
  SEINET10462854  Campanula prenanthoides Brown 1897-7-15 Brown 527 Siskiyou SOUTH SIDE MT SHASTA 5000-10000 Comment
  SEINET10463065  Campanula prenanthoides Van Deventer VAN DEVENTER s.n. Siskiyou PRESTON PEAK QUAD, YOUNGS VALLEY. T17N R5E SECS 9, 10 & 16 Comment
  SEINET10463107  Campanula prenanthoides Louis Krautter 1905-7-8 Krautter 178 Siskiyou South of Mount Shasta Comment
  SEINET10463159  Campanula prenanthoides Rose 1945-7-22 Rose 45153 Siskiyou Horse Creek and Klamath River. 503 Comment
  POM59341  Campanula rotundifolia E. B. Copeland 1904-08 s.n. Siskiyou Mt. Shasta Comment
  CAS-BOT-BC266453  Campanula scabrella Peter H. Raven 1956-9-4 10415 Siskiyou On the summit of Mount Eddy 2758 Comment
  SEINET10872979  Campanula scouleri Palmer 1892-7-13 Palmer 2469 Siskiyou Mount Shasta and vicinity Comment
  CAS-BOT-BC266467  Campanula wilkinsiana R. H. Bohmannson 1926-7-1 s.n. Siskiyou Mount Shasta Comment
  RSA211342  Campanula wilkinsiana William J. Ferlatte 1967-8-22 1099 Siskiyou Head of Kidd Creek. 2134 Comment
  SEINET10463882  Campanula wilkinsiana Cooke 1939-8-24 COOKE 11894 Siskiyou COMMON ALONG CREEKS IN SQUAW VALLEY CREEK MEADOWS 2286 Comment
  CAS-BOT-BC37191  Capsella bursa-pastoris A. A. Heller 1916-6-20 12417 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy. 1188 Comment
  CAS-BOT-BC37312  Cardamine breweri Alice Eastwood 1923-5-18 11838 Siskiyou Shasta Springs. Comment
  POM95616  Cardamine cordifolia var. lyallii Geo. D. Butler 1908-8-8 132 Siskiyou Marble Valley. 1829 Comment
  UC166136  Cardamine nuttallii Geo. D. Butler 1900-6-4 1487 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC19763  Carex abrupta John Thomas Howell 1939-8-10 15282 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  CAS-BOT-BC19770  Carex abrupta R. Tallent 1987-8-16 941 Siskiyou Mount Shasta Area. Panther Meadows Trailhead Area. 2220 Comment
  CAS-BOT-BC19772  Carex abrupta K. T. Stillman 1976-7-15 257 Siskiyou Marble Mountain Wilderness Area. 1950 Comment
  CAS-BOT-BC17863  Carex amplifolia W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow. Comment
  HSC41063  Carex amplifolia J. O. Sawyer 1969-6-27 861 Siskiyou Ridge between Duck Lake Creek & French Creek along FS 41N14 1280 Comment
  CAS-BOT-BC17961  Carex angustata William Bridge Cooke 1939-7-7 13613 Siskiyou Mount Shasta. In the Wagon Camp Sedge Swamp. 1737 Comment
  UC822760  Carex aquatilis Frank W. Gould 1940-5-14 1229 Siskiyou Bull Meadows Goosenet Mountains, Bull Meadows 1524 Comment
  CAS-BOT-BC17993  Carex aquatilis W. J. Ferlatte 1966-8-3 278 Siskiyou Josepine Lake Basin. 1920 Comment
  SEINET13327770  Carex atherodes P. F. Zika 2010-7-21 25197 Siskiyou Grass Lake, on north side of Route 97, 0.4 road miles east northeast of Grass Lake Rest Area 1540 Comment
  CAS-BOT-BC18134  Carex athrostachya Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Trinity Mountains. Gumboot Lake. 1828 Comment
  UC1573170  Carex athrostachya Dean Wm. Taylor with Glenn Clifton, R. Douglas Stone 1987-8-5 9240 Siskiyou Porcupine Lake Modoc Plateau, Porcupine Lake 1304 Comment
  CAS-BOT-BC19558  Carex bolanderi Melissa A. Berry 1957-7-11 s.n. Siskiyou Sugar Creek CCC Road, west of Callahan. 1463 Comment
  HSC76800  Carex bolanderi L. P. Janeway 1982-8-21 168 Siskiyou Twin Valley 1585 Comment
  UC823325  Carex brainerdii John Thomas Howell 1939-8-3 15008 Siskiyou Spirit Lake Marble Mts., Spirit Lake 1828 Comment
  HSC77171  Carex brainerdii L. P. Janeway 1983-6-25 336 Siskiyou Cutbank of dirt road, 0.5 mi. N of W Branch USFS Station 671 Comment
  HSC86451  Carex breweri D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta 2591 Comment
  SD53346  Carex breweri Darley F. Howe 1962-8-6 Siskiyou Mt. Shasta. 2438 Comment
  CAS-BOT-BC34381  Carex cusickii Elmer I. Applegate 1895-5-28 781 Siskiyou Sisson, Strawberry Valley. Comment
  CHSC107141  Carex cusickii R. E. Brainerd 2009-7-22 1559 Siskiyou Red Hill Meadow, east of Mt. Shasta; 4 air miles east of McCloud. UTM Zone 10 478466E 4568630N. 1036 Comment
  HSC79088  Carex diandra L. P. Janeway 1983-8-6 511 Siskiyou At Poker Flat, lower part of meadow near drainage 1524 Comment
  CHSC96446  Carex echinata subsp. echinata Gordon Leppig; Jennifer Kalt 1996-7-9 367 Siskiyou Klamath National Forest. Russian Wilderness, Little Duck Lake Fen. In cirque west of Little Duck Lake. UTM Zone 10 NAD 1927, 503813E, 4572466N. 2200 Comment
  JEPS84066  Carex echinata subsp. echinata L. R. Heckard with J. Hickman 1986-7-16 6444 Siskiyou se Red Butte (ca. 5 mi n of the town of Seiad Valley); Lily Pad Lake 1770 Comment
  POM229215  Carex echinata subsp. echinata L. C. Wheeler 1935-7-26 3721 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  CAS-BOT-BC19920  Carex epapillosa Alice Eastwood 1921-7-28 10955 Siskiyou Medicine Lake. Comment
  CAS-BOT-BC20133  Carex feta W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klink's Meadow. Sisson. Comment
  CAS-BOT-BC20748  Carex fracta W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountains. Comment
  CAS-BOT-BC9328  Carex fracta Wm. Bridge Cooke 1939-7-7 13621 Siskiyou Mount Shasta. Lower Wagon Camp springs 1737 Comment
  JEPS125858  Carex geyeri Dean W. Taylor 1996-6-28 15749 Siskiyou Antelope Mountain, about 8 air miles S of Yreka Comment
  HSC81979  Carex hassei Thomas W. Nelson, Jane P. Nelson 1979-6-16 4860 Siskiyou Above Mule Creek, along Hwy. 3, 4.4 mi. N of Scott Mtn. Summit 1220 Comment
  JEPS109250  Carex hassei D. W. Taylor 2005-9-28 19494 Siskiyou Scott Camp Creek Comment
  JEPS109693  Carex hassei Dean W. Taylor 2002-6-10 18126 Siskiyou Scott Mountain, bog between Grouse Creek and Little Carmen Creek 1188 Comment
  HSC97427  Carex hoodii Jennifer Whipple 1977-7-22 2031 Siskiyou SW of Dobkins Lake along the drainage into the lake 2195 Comment
  CAS-BOT-BC7658  Carex integra Arthur Menzies 1962-7-21 13253 Siskiyou Morgan Meadows, base of Mt. Eddy. 1706 Comment
  CAS-BOT-BC7661  Carex integra John Thomas Howell 1939-8-7 15121 Siskiyou Sky High Valley, Marble Mountains. 1828 Comment
  HSC85835  Carex integra L. P. Janeway 1983-8-6 491 Siskiyou Poker Flat, upper part of lower portion of meadow 1524 Comment
  SEINET4292186 Image available Carex integra Unknown 2006-1 8790 Siskiyou Klamath Ranges. Scott Mountains; Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Moutain Summit. Scott Mountain 7.5' quad. Comment
  CAS-BOT-BC35523  Carex jonesii John Thomas Howell 1937-7-22 13256 Siskiyou South Fork of the Salmon River near Big Flat 1524 Comment
  CHSC95090  Carex laeviculmis L. P. Janeway 2006-7-2 8743 Siskiyou Klamath Ranges. Salmon Mountains; headwaters of West Fork Whites Gulch, a tributary of North Fork Salmon River from the south; between sharp switchbacks of Road 40N61, at alder-shaded creek on steep north-facing slope. Along seepy road side-drainage to the creek. 1554 Comment
  CHSC96004  Carex lemmonii L. P. Janeway 2006-7-4 8784 Siskiyou Klamath Ranges. Scott Mountains; Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  HSC39282  Carex lenticularis var. lipocarpa J. O. Sawyer 1969-7-12 1350 Siskiyou Edge of Sugar Lake 1799 Comment
  RSA237283  Carex lenticularis var. lipocarpa Frederick W. Oettinger 1969-8-16 1400 Siskiyou Wire Grass Meadow, English Lake Basin. Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  JEPS121605  Carex luzulina Jennifer Buck, Deborah Stout 2011-8-23 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys, near Toad Lake. Sloping wet meadow in lodgepole pine forest on ultramafic soil. E aspect. Mount Eddy quadrangle. TL03B Comment
  SEINET7566375 Image available Carex luzulina Unknown 1969-8-10 38949 Siskiyou Mt. Shasta National Forest, S slope Mt Shasta, Panther Creek Meadows. 2195 Comment
  CAS-BOT-BC31633  Carex luzulina var. ablata Peter H. Raven 1956-9-4 10381 Siskiyou Ridge S of Mt. Eddy. 2286 Comment
  CHSC84711  Carex luzulina var. ablata L. P. Janeway 2003-8-9 7956 Siskiyou Klamath Ranges. Siskiyou Mountains; west side of Echo Lake, between Cook and Green Pass and Red Butte. Small lake in cirque on north side of the ridge. 1664 Comment
  UC642548  Carex luzulina var. luzulina W. Bridge Cooke 1939-6-23 13548 Siskiyou Wagon Camp 1737 Comment
  HSC29630  Carex mariposana Frederick W. Oettinger 1968-9-6 735 Siskiyou Marble Mtns. Wilderness Area, High Lake Basins, on trail NE of Tom's Lake 2165 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
  UCD140652  Carex multicaulis John Thomas Howell 1937-7-26 13556 Siskiyou Caribou Gulch. Comment
  CAS-BOT-BC32007  Carex multicaulis A. A. Heller 1922-7-3 13675 Siskiyou On dry gravelly slopes along Wagon creek in the Canadian zone. 2225 Comment
  RSA364653  Carex multicaulis Christopher Davidson 1975-6-5 2651 Siskiyou 9.1 miles W of Gazelle on road to Callahan. Klamath National Forest. 1120 Comment
  SEINET4022366  Carex multicaulis C. Davidson 1975-1 2651 Siskiyou Klamath Nat'l Forest. 9.1 mi. west of Gazelle on road to Callahan. 1120 Comment
  HSC76941  Carex multicostata K. T. Stillman 1976-8-15 261 Siskiyou Marble Mountain Wilderness Area 1951 Comment
  HSC92751  Carex multicostata Jennifer Whipple 1976-7-2 1273 Siskiyou Ridge W of Dobkins Lake 2317 Comment
  CHSC98338  Carex nebrascensis Thomas W. Nelson; Jane P. Nelson 1982-7-30 7321 Siskiyou North Coast Ranges. Along Forest Service road 41N08 to Kangaroo Lake at bridge over Rock Fence Creek. 1584 Comment
  CAS-BOT-BC119678  Carex nervina William Bridge Cooke; V. G. Cooke 1976-10-23 53980 Siskiyou In wet meadow, Wagon Camp, Mt. Shasta. 1737 Comment
  CAS-BOT-BC119641  Carex nigricans Rimo Bacigalupi 1959-7-1 7205 Siskiyou Panther Meadow, SW slopes of Mt. Shasta. 2286 Comment
  HSC96571  Carex nigricans Gordon Leppig, J. Kalt 1996-7-9 389 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  UC618820  Carex nigricans J. W. Stacey 1938-8-18 11484 Siskiyou in the vicinity of the springs above Horse Camp (along the summit trail); Mount Shasta, Horse Camp Springs Comment
  SEINET10711540  Carex nigricans William B. Cooke 1941-9-10 Cooke 16298 Siskiyou Occasional around the springs along the summit trail above Horse Camp, Mt. Shasta. 2515 Comment
  CAS-BOT-BC119471  Carex nudata D. E. Breedlove 1962-6-10 3321 Siskiyou On the N bank of the Klamath River at its junction with Goff Creek, 4 mi W of Seiad. 411 Comment
  CAS-BOT-BC119474  Carex nudata L. B. Kildale 1930-5-31 9808 Siskiyou Island in Klamath River near Hornbrook. Comment
  CHSC40161  Carex nudata L. P. Janeway 1983-7-23 444 Siskiyou Along southwest side of Klamath River, 2.8 miles east on China Creek Road (just west of Woods Bar). 320 Comment
  CAS-BOT-BC31055  Carex pachycarpa K. T. Stillman 1976-7-14 231 Siskiyou Scott Bar quad. Marble Mountain Wilderness Area. 1950 Comment
  CAS-BOT-BC119208  Carex pachystachya Alice Eastwood 1921-7-28 10941 Siskiyou Medicine Lake Comment
  HSC60837  Carex pachystachya Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  CAS-BOT-BC118773  Carex preslii John Thomas Howell 1937-7-25 13477 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  UC834554  Carex preslii John Thomas Howell 1939-8-9 15203 Siskiyou Sky High Valley Marble Mountians 1828 Comment
  CAS-BOT-BC118782  Carex preslii A. H. Murphy 1953-7-28 KNF 1 Siskiyou Deadmans Peak, Klamath N. F. 1828 Comment
  CHSC53540  Carex rossii L. P. Janeway 1983-8-7 521 Siskiyou Near 'Peak 5148'; +-open serpentine ridgetop near end of rd 17N32, ca 19 mi from Indian Cr Rd. 1554 Comment
  SEINET7573860 Image available Carex rossii Barbara L. Wilson 1996-6-22 8165 Siskiyou Shasta-Trinity National Forest, Castle Lake Campground near Castle Lake. 1524 Comment
  CHSC63523  Carex scabriuscula Vernon H. Oswald; Lowell Ahart 1994-8-1 6422 Siskiyou Gumboot Creek on the upstream side of Forest Rd. 26, ca. 0.5 mi (air) NE of Gumboot Lake, W. of Mt. Shasta (city). 1783 Comment
  HSC91195  Carex scabriuscula Jennifer Whipple 1977-7-20 1997 Siskiyou N slopes of Mount Eddy 2500 Comment
  SEINET7574452 Image available Carex scabriuscula L. P. Janeway 2006-7-4 8788 Siskiyou Scott Mountain 7.5' quad, Klamath Ranges, Scott Mountains, Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  RSA238968  Carex scopulorum Frederick W. Oettinger 1968-9-5 710 Siskiyou At south end of Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2072 Comment
  RSA238969  Carex scopulorum Frederick W. Oettinger 1969-8-19 1455 Siskiyou Abbott s Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  CHSC40201  Carex scopulorum var. bracteosa L. P. Janeway 1983-8-6 509 Siskiyou At Poker Flat. Dampish part of e arm of meadow. 1524 Comment
  JEPS84063  Carex scopulorum var. bracteosa L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6435 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
  SEINET7575051 Image available Carex scopulorum var. bracteosa Ray Tallent 1987-8-12 906 Siskiyou Klamath National Forest, Long Gulch Lake. 1939 Comment
  HSC30671  Carex spectabilis Frederick W. Oettinger 1969-9-2 1602 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow near Tom Taylor Cabin 2165 Comment
  UC1265453  Carex spectabilis Frederick W. Oettinger 1969-9-2 1602 Siskiyou above Tom Taylor Cabin (Bear Meadow); Salmon Mountains, Marble Mountain Wilderness Area 2164 Comment
  CAS-BOT-BC117260  Carex spectabilis William J. Ferlatte 1967-8-20 1047 Siskiyou Sawtooth Ridge steep, north facing slope. 2286 Comment
  HSC30524  Carex spectabilis Frederick W. Oettinger 1968-9-4 700 Siskiyou Marble Mtn. Wilderness Area, slope SE of Abbott's Lake 1723 Comment
  RSA238927  Carex spectabilis Frederick W. Oettinger 1968-9-6 731 Siskiyou Trail southeast of Tom s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  RSA238962  Carex spectabilis Frederick W. Oettinger 1968-9-5 709 Siskiyou Water at south end of Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  JEPS63651  Carex stipata var. stipata Mrs. M. H. Goldsmith 1916-8-6 12 Siskiyou Sisson Comment
  UC725961  Carex stipata var. stipata A. A. Heller 1925-7-13 13897 Siskiyou College Camp Comment
  RSA739863  Carex straminiformis L. P. Janeway, B. Castro 2007-7-29 9140 Siskiyou High Cascade Range, Medicine Lake Highlands, Pumice Stone Mtn 2054 Comment
  CAS-BOT-BC115835  Carex subfusca John Thomas Howell 1937-7-29 13626 Siskiyou Scott Mt. between Trinity and Siskiyou Cos. Comment
  CAS-BOT-BC115836  Carex subfusca John Thomas Howell 1937-7-23 13338 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  HSC39252  Carex subfusca J. O. Sawyer 1969-7-12 1349 Siskiyou Edge of Sugar Lake 1799 Comment
  SEINET7577203 Image available Carex subfusca Unknown 2003-6-17 10946 Siskiyou 5.5 miles toward Cecilville on the 1C02 road, at intersection with Shasta-Trinity National Forest road 41N14. 1097 Comment
  SEINET10912836  Carex subfusca George D. Butler 1910-5-29 Butler 1426 Siskiyou Slough near Yreka. Comment
  CAS-BOT-BC115163  Carex vesicaria Doris K. Kildale 1929-7-20 8685 Siskiyou Raspberry Lake. South Fork of Indian Creek. 1828 Comment
  UC702923  Carex vesicaria A. A. Heller 1940-7-24 15763 Siskiyou Castle Lake Comment
  RSA238960  Carex vesicaria Frederick W. Oettinger 1968-9-4 693 Siskiyou Along the west shoreline of Abbotts Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  CAS-BOT-BC59707  Cassiope mertensiana Ira L. Wiggins 1955-7-29 13570 Siskiyou Pass at sw. end of Caribou L., Salmon-Trinity Alps Primitive Area. 2072 Comment
  HSC736  Cassiope mertensiana subsp. ciliolata William J. Ferlatte 1966-8-5 351 Siskiyou Caribou Mtn. 2470 Comment
  RSA0002588  Cassiope mertensiana subsp. ciliolata E. B. Copeland 1903-8-18 3898 Siskiyou Mt. Eddy. 2591 Comment
  JEPS68265  Castilleja L. R. Heckard 1972-5-31 2939 Siskiyou about 2 mi e Gazelle (on road to Weed) Comment
  CHSC4545  Castilleja applegatei subsp. pinetorum J. E. Bowlin 1967-7-18 50 Siskiyou Ca. 10 mi w of Mount Shasta Ski Bowl. 1981 Comment
  HSC19025  Castilleja applegatei subsp. pinetorum J. O. Sawyer 1969-7-25 1521 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  JEPS6837  Castilleja applegatei subsp. pinetorum H. A. Thomas and J. H. Thomas 1954-7-21 4423 Siskiyou about 6 mi se Cecilville (w side of Rush Creek); Salmon-Trinity Mts. 1158 Comment
  RSA211407  Castilleja applegatei subsp. pinetorum William J. Ferlatte 1967-7-26 751 Siskiyou Caribou Basin, Sawtooth Ridge. 2043 Comment
  RSA237569  Castilleja applegatei subsp. pinetorum Frederick W. Oettinger 1968-8-22 603 Siskiyou Above English Lake trail on English Lake side of pass to Diamond Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA296405  Castilleja applegatei subsp. pinetorum Lincoln Constance, R. C. Bacigalupi, Joseph P. Tracy 1951-6-16 3452 Siskiyou Along trail ascending Little Grayback from the summit of the Takilma-Happy Camp road. Siskiyou-Del Norte Co. boundary. 1707 Comment
  SBBG40131  Castilleja applegatei subsp. pinetorum C. B. Hardham 1961-6-30 8029 Siskiyou near Mud Spring Comment
  HSC602  Castilleja arachnoidea William J. Ferlatte 1967-7-26 749 Siskiyou Caribou Basin, ridge W of Big Caribou Lake. 2134 Comment
  HSC76912  Castilleja arachnoidea K. T. Stillman 1976-6-26 124 Siskiyou Marble Mtn. Wilderness Area, near Bear Lake. 1829 Comment
  JEPS13483  Castilleja arachnoidea Douglas Barbe 1955-7-26 290 Siskiyou nw shoulder Scott Mountain; Klamath Mountains, Scott Mountain 2011 Comment
  RSA46748  Castilleja arachnoidea J. T. Howell 1937-7-29 13659 Siskiyou Scott Mountain between Trinity and Siskiyou counties. Comment
  CAS-BOT-BC32640  Castilleja excelsa John Thomas Howell 1939-8-4 15058 Siskiyou Near Spirit Lake, Marble Mts. 1828 Comment
  JEPS14712  Castilleja lacera Rimo Bacigalupi with Lincoln Constance and M. Hiroe 1956-6-9 5694 Siskiyou 1.5 mi n Weed (along U.S. Highway 99); Shasta Valley Comment
  SJSU11530  Castilleja lacera M. D. Fleschner 1965-7-9 Siskiyou 4 mi W of Deadhorse Summit on Hwy 89 c. 3 mi SE of Bartle 1158 Comment
  UC1094394  Castilleja lacera Rimo C. Bacigalupi with Galen Smith 1957-6-26 5939 Siskiyou ca 2 mi n Weed (along Highway 99) 1036 Comment
  UC733142  Castilleja linariifolia Elmer I. Applegate 1923-8-17 3829 Siskiyou s end Lower Klamath Lake (Laird's ranch) Comment
  CAS-BOT-BC254008  Castilleja miniata Doris K. Kildale 1929-7-20 8722 Siskiyou Raspberry Lake, South Fork Indian Creek 1676 Comment
  CAS-BOT-BC254013  Castilleja miniata A. A. Heller 1916-7-20 12473 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1524 Comment
  RSA504754  Castilleja miniata Leg A Meebold 1935-07 19774 Siskiyou Mt. Shasta (city). Comment
  HSC19032  Castilleja pruinosa J. O. Sawyer 1969-6-2 1019 Siskiyou Summit above Albert Lake 2256 Comment
  HSC76765  Castilleja pruinosa K. T. Stillman 1976-9-10 499 Siskiyou Marble Mountain Wilderness Area, across marble on E side of Black Mountain 2104 Comment
  SBBG26802  Castilleja pruinosa L. Constance, R. C. Rollins 1942-5-14 2935 Siskiyou Shasta River 6 mi N of Yreka 762 Comment
  HSC72571  Castilleja pruinosa J. P. Smith 1976-5-4 8668 Siskiyou SR 263 near junction with SR 96, above Shasta River 671 Comment
  JEPS60245  Castilleja pruinosa L. R. Heckard with R. Ornduff 1969-6-24 2310 Siskiyou just w road fork to Copco Lake (along Klamath River); Klamath River Comment
  POM42525  Castilleja pruinosa Geo. D. Butler 1910-4-19 1198 Siskiyou Near Yreka. Comment
  RSA50156  Castilleja pruinosa E. K. Balls 1949-7-9 13948 Siskiyou Salmon Mts. summit of pass on rd from Etna to Sawyer's Bar. 1479 Comment
  POM252810  Castilleja psittacina A. A. Heller 1938-7-12 15261 Siskiyou Near the eastern base of Deer Mountain on U.S. Highway 97. 1372 Comment
  CAS-BOT-BC241083  Castilleja schizotricha Gilbert Muth 1965-8-6 s.n. Siskiyou Backside of Blk. Mt. 2072 Comment
  HSC92152  Ceanothus arcuatus Jennifer Whipple 1978-6-5 2350 Siskiyou Pass between Eddy Creek and Deadfall Creek drainages 2073 Comment
  CAS-BOT-BC49186  Ceanothus cuneatus C. Hart Merriam 1919-9-24 s.n. Siskiyou Ager Comment
  JEPS42185  Ceanothus cuneatus var. cuneatus Geo. D. Butler 1908-6-20 497 Siskiyou Bulter's Ranch Yreka Comment
  CAS-BOT-BC63607  Ceanothus integerrimus Mrs. Pettibone 1894-8-8 s.n. Siskiyou Upper Soda Springs. Comment
  POM301658  Ceanothus integerrimus var. macrothyrsus Carl B. Wolf 1941-7-26 11083 Siskiyou 4 miles NE of summit of Buckhorn Mt, on the Weaverville Redding road. 732 Comment
  CAS-BOT-BC52119  Ceanothus prostratus Geo. B. Grant 1902-9-1 150 Siskiyou Sisson, No Cal Comment
  CAS-BOT-BC53080  Ceanothus prostratus Elmer I. Applegate 1935-6-11 9510 Siskiyou Upper Ice Cave area, Lava Beds National Monument Comment
  CAS-BOT-BC53082  Ceanothus prostratus H. E. Brown 1897-6-1 369 Siskiyou Near Mt. Shasta 2133 Comment
  UC1281311  Ceanothus prostratus H. E. McMinn 1931-6-27 2520 Siskiyou Shasta City Comment
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Jun 20 2012
  UC375367  Ceanothus prostratus Geo. D. Butler 1908-8-2 410 Siskiyou Quartz Valley Comment
  SD249278  Ceanothus sanguineus David Keil, Kathleen Keil 1990-7-28 Siskiyou Marble Mountains, Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  CAS-BOT-BC63151  Ceanothus velutinus Alice Eastwood 1912-9-1 2067 Siskiyou Mount Shasta. Comment
  RSA120637  Ceanothus velutinus G. D. Barbe 1955-8-1 320 Siskiyou SE of Craggy lookout on Mt Bolivar. 2195 Comment
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Mar 6 2013
  UC618734  Ceanothus velutinus W. Bridge Cooke 1938-6-24 11104 Siskiyou Diller Canyon Mount Shasta, Shasta Fir Forest, Sisson Southern Trail (in the Shasta Fir Forest, Sisson Southern Trail) Comment
  UCD112829  Ceanothus velutinus John Sawyer 1977-7-6 3020 Siskiyou South of Little Duck Lake. 2133 Comment
  UCD112841  Ceanothus velutinus J. M. Tucker 1950-7-23 1938 Siskiyou Beside road to Panther Meadows, south slope of Mt. Shasta. 1524 Comment
  CAS-BOT-BC52847  Ceanothus velutinus var. velutinus C. B. Wolf 1931-9-8 1269 Siskiyou 1 mile west of Summit of Grade on road from mt. Shasta City to McCloud 1219 Comment
  CAS-BOT-BC276996  Centaurea diffusa R. E. Frenkel 1964-10-2 875 Siskiyou On the south side of Everitt Memorial Highway in a pulloff area near McBride Springs turnoff, near Mount Shasta 1493 Comment
  CDA20009  Centaurea jacea M. Bagley 2002-8-1 PDR P 087837 -A Siskiyou Northern California; Vicinity of Mt Shasta. 0 Comment
  HSC43134  Centaurea solstitialis Ken Stillman 1976-8-24 415 Siskiyou E and N slopes of Williams Point 366 Comment
  CAS-BOT-BC281204  Centaurea stoebe subsp. micranthos T. C. Fuller 1967-8-15 16263 Siskiyou N side of Highway 97 (Weed to Macdoel), W of RR spur at Grass Lake Comment
  UCD130122  Centaurea virgata subsp. squarrosa T. C. Fuller 1969-7-1 18618 Siskiyou Hawkinsville, just north of Yreka. Comment
  UC1045277  Cephalanthera austiniae W. Bridge Cooke 1940-6-6 15080 Siskiyou along Castle Lake rd. Comment
  RSA381930  Cephalanthera austiniae M. B. Dunkle 1944-7-3 9069 Siskiyou Beaver Creek, Siskiyou National Forest. Sierra Nevada Comment
  JEPS88003  Cerastium arvense Barbara Ertter 1990-7-14 9339 Siskiyou ca. 4 airmiles w. Mt. Shasta City (Wagon Creek on e. side of Mt. Eddy, where several forks join before steep drop); e side of Mt. Eddy, Wagon Creek 1828 Comment
  HSC26147  Cerastium beeringianum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5688 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  UCD20185  Cerastium dichotomum J. Di Tomaso 2002-5-17 s.n. Siskiyou 8 miles NE of Montague. On York Rd., 300 m east of intersection with Mulloy Rd. Comment
  UCD98001  Cerastium dichotomum T. C. Fuller 1962-5-18 8746 Siskiyou B. M. Long prop., Little Shasta Road, 5 miles east of Montague. Comment
  HSC68106  Cerastium fontanum subsp. vulgare J. P. Smith 1973-5-5 6499 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  UCD77513  Cerastium fontanum subsp. vulgare Robert E. Preston 2001-6-30 1632 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W se 1/4 of nw 1/4 Section 14 1694 Comment
  HSC100  Cercocarpus ledifolius William J. Ferlatte 1967-7-26 762 Siskiyou NW side of Caribou Mtn. 1982 Comment
  HSC18568  Cercocarpus ledifolius R. C. Wunner 1965-7-15 392 Siskiyou Lava Beds NM, Indian Wells near N Prefab 1433 Comment
  UC1733685  Cercocarpus ledifolius Frank Gould, Kay H. Beach 1940-5-16 1253 Siskiyou about 11 mi W of Mt. Hebron ( summit of Bald Mountain grade) Comment
  SBBG27254  Cercocarpus ledifolius var. intermontanus L. C. Wheeler 1934-9-5 3246 Siskiyou summit of Sterling Mtn 2127 Comment
  JEPS74499  Cercocarpus ledifolius var. ledifolius W. J. Ferlatte 1967-7-26 762 Siskiyou nw side of Caribou Mountain; Trinity Alps, Caribou Mountain 1981 Comment
  UC466591  Cercocarpus ledifolius var. ledifolius Annie M. Alexander and Louise Kellogg 1911-6-27 163 Siskiyou Wildcat Peak 2194 Comment
  POM66496  Chaenactis carphoclinia Geo. D. Butler 1910-6-17 1573 Siskiyou Humbug[?] Mtn 1220 Comment
  JEPS34210  Chaenactis douglasii var. douglasii W. L. Jepson 1940-7-1 20073 Siskiyou 6 mi e of McCloud (Fowlers Camp); McCloud River 944 Comment
  RSA210823  Chamaebatiaria millefolium Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-3 39014 Siskiyou Lava Beds National Monument, near Fleener Chimneys. 1524 Comment
  SEINET1004220  Chamaebatiaria millefolium Mark Fishbein, Lane Greer 2006-1 5872 Siskiyou Along Forest Service Rd 49, about 7 mi south-southwest of Medicine Lake, about 0.4 mi northeast of Snag Hill. 1585 Comment
  CAS-BOT-BC141583  Chamaebatiaria millefolium J. William Thompson 1936-7-8 13151 Siskiyou Lava slopes of Lave Beds Nat. Monument Comment
  SD46659  Chamaesaracha nana E. K. Balls, L. W. Lenz 1956-6-18 21802 Siskiyou 1.5 mi. e. of McCloud, State Hwy. 89, roadside 1006 Comment
  UC334091  Chamaesyce glyptosperma Lemmon Siskiyou near Shasta; Northern Claifornia Comment
  CAS-BOT-BC68243  Cheilanthes gracillima A. A. Heller 1916-7-20 12470 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1524 Comment
  HSC69128  Cheilanthes gracillima Maralyn A. Renner 1980-8-7 2380 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  HSC29473  Cheilanthes gracillima Frederick W. Oettinger 1968-8-5 405 Siskiyou Marble Mtn. Wilderness Area, 'Shasta Ridge' between Diamond Lake and English Peak 2073 Comment
  CDA3040  Chenopodium botrys T. C. Fuller 1966-10-7 15247 Siskiyou W.W. Cook Nursery, Route 1 Box 328, 2 miles northwest of Mt. Shasta City. 0 Comment
  HSC59894  Chenopodium chenopodioides R. & G. Pederson 1979-10-10 100 Siskiyou Lower Klamath National Wildlife Refuge, S unit 6 Comment
  JEPS59720  Chenopodium foliosum Willis L. Jepson 1894-8-1 14861 Siskiyou Sisson Mt. Shasta Comment
  CAS-BOT-BC451437  Chimaphila menziesii Louis C. Wheeler 1934-8-24 3221 Siskiyou Siskiyou Mts., Trapper Creek 1615 Comment
  SBBG25823  Chimaphila menziesii D. Myrick 1966-8-10 1527 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  UC618904  Chimaphila menziesii W. Bridge Cooke 1938-8-5 11458 Siskiyou along Sisson Southern Trail Mt. Shasta Comment
  CAS-BOT-BC452272  Chimaphila umbellata L. E. Smith 1913-7-4 455 Siskiyou North fork, Castle Creek Comment
  POM131999  Chimaphila umbellata E. B. Copeland 1903-8-15 3828 Siskiyou Mt. Shasta 1829 Comment
  UCD77530  Chimaphila umbellata Robert E. Preston 2001-8-26 1760 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake. 1883 Comment
  UCR52373  Chimaphila umbellata Barry Silver 1986-5-24 621 Siskiyou West Branch Campground, Klamath National Forest, 7 mi northwest of Happy Camp 671 Comment
  CAS-BOT-BC452260  Chimaphila umbellata Gilbert Muth 1965-8-10 s.n. Siskiyou Marble Valley and along upper trails Comment
  CAS-BOT-BC39661  Chorispora tenella John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53374 Siskiyou 2 miles south of Grenada, Shasta Valley. 762 Comment
  CDA3724  Chorispora tenella Th. Williams Jun 1957 Siskiyou Near Montague. 0 Comment
  UC5454  Chrysolepis sempervirens W. H. Brewer 1862-9-16 1420 Siskiyou Mount Shasta 914 Comment
  RSA120851  Chrysolepis sempervirens H. K. Wagnon 1957-8-11 1690 Siskiyou East slope of Mt. Shasta on rd. to Brewer Cr., 3 mi. W of Military Pass Rd. Comment
  RSA82828  Chrysolepis sempervirens J. M. Tucker 1947-5-17 1555 Siskiyou Ca. 5 miles south-east of Callahan, beside road up Scott Mountain. Comment
  SEINET7450592 Image available Chrysopsis oregona G. D. Butler 1910-7-16 1790 Siskiyou Oro Fino Comment
  HSC5345  Chrysothamnus viscidiflorus subsp. viscidiflorus R. C. Wunner 1965-9-9 515 Siskiyou California Lava Beds National Monument; Indian Well area near N prefab 1433 Comment
  UC1265356  Cinna latifolia F. W. Oettinger 1968-9-2 663 Siskiyou sw Upper English Lake (Salmon Mountains); , Upper English Lake 1874 Comment
  HSC19228  Circaea alpina subsp. pacifica J. O. Sawyer 1969-7-18 1405 Siskiyou SW facing slope above S Russian Creek. 1905 Comment
  RSA183678  Circaea alpina subsp. pacifica Gilbert Muth 1965-8-18 237 Siskiyou Marble Mountains: beside Black Mt. Comment
  RSA211364  Circaea alpina subsp. pacifica William J. Ferlatte 1967-8-19 1034 Siskiyou Trinity Alps: Along the South Fork of the Salmon River between the campground and Carter s. 1524 Comment
  RSA237661  Circaea alpina subsp. pacifica Frederick W. Oettinger 1968-8-11 480 Siskiyou Alder thicket near spring of Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC285347  Cirsium andersonii E. K. Balls 1949-7-8 13920 Siskiyou Road to Callahan from Scott Mt., southern Siskiyou County 1524 Comment
  CHSC72227  Cirsium arvense Vernon H. Oswald; Lowell Ahart 1998-9-16 9633 Siskiyou Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi east of Hwy. 97. 1243 Comment
  OBI60939  Cirsium cymosum var. cymosum B. Villegas 1999-6-8 s.n. Siskiyou Hawkinsville, Humbug Rd about 2 mi W of Hwy 263, BLM land Comment
  CAS-BOT-BC279879  Cirsium douglasii var. breweri A. A. Heller 1915-8-26 12238 Siskiyou Mt. Eddy 1828 Comment
  HSC70600  Cirsium douglasii var. breweri J. O. Sawyer, R. J. Cole 1981-7-2 4152 Siskiyou Near Scott Mtn. Campground 1585 Comment
  CAS-BOT-BC285556  Cirsium occidentale var. candidissimum Louis C. Wheeler 1934-7-16 2908 Siskiyou Klamath National Forest. Oak Knoll R. S. 670 Comment
  OBI54136  Cirsium occidentale var. candidissimum David J. Keil, Kathleen Keil 1992-7-24 23558 Siskiyou 2.8 mi NE of Hwy 3 on Gazelle-Callahan rd Comment
  CAS-BOT-BC288772  Cirsium remotifolium John Thomas Howell 1939-8-4 15033 Siskiyou Between Elk Mt and Marble River, Marble Mts Comment
  CDA1554  Cirsium remotifolium var. odontolepis J. R. Grisham 1960-7-14 s.n. Siskiyou U.S. rangeland, 15 mi. N/ Cecilville. Klamath National Forest 0 Comment
  UC166658  Cirsium scariosum Geo. D. Butler 1910-6-6 1459 Siskiyou Quartz Valley Comment
  CAS-BOT-BC228958  Cistanthe umbellata Doris K. Kildale 1928-7-2 5370 Siskiyou Salmon Summit via Horn Creek trail 1981 Comment
  CAS-BOT-BC228969  Cistanthe umbellata Elmer I. Applegate 1923-8-18 3848 Siskiyou Medicine Lake Comment
  CAS-BOT-BC228976  Cistanthe umbellata Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Shackleford Trail below Bull Meadow Comment
  CAS-BOT-BC228975  Cistanthe umbellata Dorothy Parker 1959-6-28 726 Siskiyou Summit of Scott Mt. 1630 Comment
  HSC181  Clarkia rhomboidea William J. Ferlatte 1967-6-29 567 Siskiyou Along the Yellow Rose Mine Trail 1677 Comment
  HSC74863  Clarkia rhomboidea J. P. Smith, Jennifer Whipple 1978-7-2 9983 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  HSC64313  Claytonia cordifolia J. P. Smith, Steve Selva 1970-6-16 4055 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  JEPS43185  Claytonia cordifolia Geo. D. Butler 1910-6-5 1510 Siskiyou Shackleford Creek Comment
  HSC61812  Claytonia lanceolata Ruby Van Deventer 8 Jun [year missing] Siskiyou Poker Flat 1585 Comment
  RSA601897  Claytonia parviflora L. C. Wheeler 1935-5-5 3466 Siskiyou Greenhorn Creek. Siskiyou Mtns. (Mt Diablo Mer.) 854 Comment
  UC375332  Claytonia parviflora subsp. parviflora Geo. D. Butler 1908-7-11 68 Siskiyou Comment
  JEPS69765  Claytonia rubra W. B. and V. G. Cooke 1972-6-30 45422 Siskiyou Military Pass Road; Mt. Shasta Comment
  HSC36957  Claytonia rubra subsp. rubra J. P. Smith 1974-5-26 7557 Siskiyou Along FS Rd. 47N03 1524 Comment
  SBBG1955  Claytonia rubra subsp. rubra J. M. Tucker 1947-5-17 1558 Siskiyou ca. 5 mi SE of Callahan on rd to Scott Mtn Comment
  CDA23965  Claytonia saxosa G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2644 Siskiyou Schoolhouse Hill, summit of Gazelle/Callahan Road, 11.3 km east of Callahan. Comment
  UC61062  Claytonia sibirica W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou McCloud River Mount Shasta (The Bend) Comment
  RSA238297  Claytonia sibirica Frederick W. Oettinger 1968-8-14 509 Siskiyou Meadow at spring at Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  HSC577  Clintonia uniflora William J. Ferlatte 1966-6-22 85 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  UC30058  Clintonia uniflora Harley P. Chandler June, 1901 1718 Siskiyou near Marble Mountain (Shackleford Canyon); North Coast Ranges, Shackleford Canyon 2133 Comment
  CAS-BOT-BC500958  Clintonia uniflora Mabel E. Stonehouse 1916-6-17 s.n. Siskiyou Hilt Comment
  CAS-BOT-BC500969  Clintonia uniflora Geo. D. Butler 1908-8-4 98 Siskiyou Near Cold Spring Wooley Creek Comment
  UC163700  Collinsia grandiflora Geo. D. Butler 1910-6-6 1464 Siskiyou Quartz Valley Comment
  UCD123560  Collinsia linearis J. M. Tucker 1974-7-28 4326 Siskiyou Marble Mountain Wilderness Area, adjacent to Haypress Meadows. 1463 Comment
  JEPS3691  Collinsia linearis Dorothy Mrs. Warren Parker 1953-5-24 537 Siskiyou Scott River; hillside 687 Comment
  POM258051  Collinsia linearis C. Leo Hitchcock, J. S. Martin 1939-7-7 5232 Siskiyou Road to Bollan Lake 6 mi. from junction with Takilma-Happy Camp Road. 1768 Comment
  UC1001180  Collinsia linearis Dorothy Parker 1953-5-24 537 Siskiyou Siskiyou Mountains, Scott River Scott River; Siskiyou Mountains, Scott River 687 Comment
  HSC36934  Collinsia parviflora J. P. Smith 1974-5-26 7560 Siskiyou Along FS Rd. 47N03 1524 Comment
  SEINET7073598  Collinsia parviflora A. G. Vestal 1955-5-18 s.n. Siskiyou About 2.2 miles southeast of Dorris on US Route 97. UTM Zone 10, 588147mE, 4642648mN. Coordinate datum: NAD27. Comment
  UC618897  Collinsia parviflora W. Bridge Cooke 1938-7-1 11129 Siskiyou below Wagon Camp (Mount Shasta); Mount Shasta 1676 Comment
  RSA237560  Collinsia parviflora Frederick W. Oettinger 1969-7-13 995 Siskiyou Meadows of Upper English Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  JEPS84181  Collinsia rattanii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6295 Siskiyou Indian Creek Road from Takilma to Happy Camp (just s of state line) 1420 Comment
  JEPS6172  Collinsia rattanii Geo. D. Butler 1909-5-30 758 Siskiyou Hamburg rd from Yreka Comment
  RSA412244  Collinsia torreyi Christopher Davidson 1975-6-5 2671 Siskiyou 0.8 mi. from gate on special service rd. branching SE of rd from Gazelle to Callahan, ca. 9.3 miles W of Gazelle. Klamath Nat. Forest. 1509 Comment
  UC1408779  Collomia grandiflora Frederick W. Oettinger 1969-7-27 1078 Siskiyou meadows nw Little English Lake (High Lake Basins in vicinity of English Peak, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  UC922456  Collomia grandiflora Annie M. Alexander and Louise Kellogg 1949-7-23 5853 Siskiyou Paradise Lake Marble Mountains 1920 Comment
  RSA237937  Collomia grandiflora Frederick W. Oettinger 1968-8-12 489 Siskiyou between lily pond and Tobacco Lake. The Salmon Mountains; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1890 Comment
  HSC45982  Collomia heterophylla J. P. Smith 1973-5-5 6534 Siskiyou Scott Bar along the Scott River Comment
  HSC68370  Collomia heterophylla J. P. Smith 1973-5-5 6373 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UC537993  Collomia heterophylla Louis C. Wheeler 1934-7-6 2889 Siskiyou Hungry Creek Siskiyou Mts. 1097 Comment
  UCSB3064  Collomia heterophylla Hardham, Clare 1965-8-20 Siskiyou Granite Trail; Cudahy Lakes; Marble Mountains 1219 Comment
  JEPS71073  Collomia tracyi B. Wise Neilsen 1936-10-18 Siskiyou 2 mi nw Etna Mt.; Salmon Mt. Comment
  CAS-BOT-BC180414  Comandra umbellata subsp. californica Antone J. Soares 1922-6-1 s.n. Siskiyou Shasta Springs Comment
  UC61198  Comandra umbellata subsp. californica W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Mount Shasta, Sisson, Eighteenth Crossing Eighteenth Crossing; Mount Shasta, Sisson, Eighteenth Crossing Comment
  HSC19042  Corallorhiza mertensiana J. O. Sawyer 1969-7-24 1518 Siskiyou W of Sugar Lake 1890 Comment
  HSC498  Corallorhiza mertensiana William J. Ferlatte 1967-7-26 741 Siskiyou Caribou Basin, Sawtooth Ridge 2134 Comment
  UC1299376  Corallorhiza mertensiana Freed W. Hoffman 1948-8-7 2661 Siskiyou between West Branch Public Camp and California-Oregon state line (Waldo-Happy Camp Rd.); North Coast Ranges Comment
  SEINET13094787  Cordylanthus pallescens Francis W. Pennell 1940-1 26184 Siskiyou Route 99, 2-3 mi. north of Mount Shasta City. 1159 Comment
  CHSC105581  Cordylanthus tenuis subsp. pallescens Barbara L. Wilson; Richard E. Brainerd 2010-8-9 16280 Siskiyou Road to trailhead for Black Butte trail. Lat. and Long. indicated +/- 36 feet. 1353 Comment
  CHSC105591  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-4 16210 Siskiyou Old Stagecoach Road, about 0.5 mile north of Forest Service road 41N26, the Eddy Creek Road, on both sides of the road. Label says +/- 33 feet of Lat. and Long. shown. 995 Comment
  HSC77490  Cordylanthus tenuis subsp. viscidus L. P. Janeway 1983-8-3 483 Siskiyou Near W Branch USFS Station 671 Comment
  RSA523462  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-BC212281  Cornus glabrata Wm. Bridge Cooke 1940-6-20 15171 Siskiyou Along the bank of the Klamath River along the Pacific Highway below Hornbrook. 609 Comment
  CAS-BOT-BC212284  Cornus glabrata Elmer I. Applegate 1923-9-5 3937 Siskiyou 12 miles down the Klamath River from the mouth of Shasta River Comment
  HSC30467  Cornus nuttallii Frederick W. Oettinger 1969-8-12 1336 Siskiyou Salmon Mtns., near 'The Cedars' homestead, 2 mi. up main N Fork Trail from mule Bridge enroute to English Lake. 960 Comment
  HSC31547  Cornus nuttallii Steve Selva, Roger Jensen 1974-8-17 24 Siskiyou 1 mi. below base of Sugar Lake trail along Rd. 40N23 Comment
  HSC67733  Cornus nuttallii John Palmer 1980-8-12 704 Siskiyou SE of Ward's Gap. 1189 Comment
  POM132431  Cornus nuttallii E. B. Copeland 1903-9-8 3850 Siskiyou Foot of Mt. Eddy. 1220 Comment
  CAS-BOT-BC212052  Cornus nuttallii Carl B. Wolf 1927-8-26 1071 Siskiyou On the Klamath River, 5 mi. above Hamburg Comment
  UC165402  Cornus sericea subsp. sericea Geo. D. Butler 1910-6-4 1490 Siskiyou Shackleford Creek Comment
  HSC33340  Cornus sericea subsp. sericea William J. Ferlatte 1974-7-15 1541 Siskiyou Yellow Rose Mine Trail. 1707 Comment
  SBBG59866  Cornus sessilis A. Lefebure 1941-10-19 Siskiyou E Fork, Stuart Fork, Trinity River Comment
  SD76183  Cornus stolonifera Helen V. Witham 1969-10-7 563 Siskiyou Near Ft. Jones. 700 Comment
  CDA4038  Coronilla varia G. D. Barbe, T. C. Fuller 1972-6-13 943 Siskiyou Siskiyou Avenue exit from I-5 north of Dunsmuir; driveway to Dunsmuir Elementary School. 0 Comment
  UC61654  Corylus californica Geo. B. Grant Sep 1902 5240 Siskiyou Mount Shasta 609 Comment
  HSC27598  Corylus cornuta subsp. californica Carl W. Mize 1972-6-10 56 Siskiyou Along Steinacher Creek 0.5 mi. from Wooley Creek 244 Comment
  RSA15690  Crataegus suksdorfii Carl B. Wolf 1927-8-26 1080 Siskiyou Klamath River. 4 miles below Hamburg Comment
  UC165398  Crepis acuminata Geo. D. Butler 1910-7-4 1639 Siskiyou Goosenest foothills 1219 Comment
  UC581311  Crepis monticola E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1888 Siskiyou about 2 mi s Yreka 810 Comment
  HSC69040  Crepis pleurocarpa Maralyn A. Renner 1980-8-7 2359 Siskiyou Klamath National Forest, ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  CAS-BOT-BC290866  Crepis pleurocarpa G. L. Stebbins, Jr.; J. A. Jenkins 1937-7-17 2423 Siskiyou East and northeast slope of spur of Rainbow Ridge above Sulloway Creek about 1 1/2 mi. west of Mt. Shasta City 1380 Comment
  JEPS84309  Crepis pleurocarpa L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6355 Siskiyou ca 7 mi nne Seiad Valley (sw of Cooke and Greene Pass, ca 1/2 mi se of Red Butte) 1730 Comment
  POM230911  Crepis pleurocarpa G. Ledyard Stebbins, J. A. Jenkins 1937-7-19 2445 Siskiyou Ridge between Big Mill and Mule Creek, near road from Callahan to Carrville 1220 Comment
  HSC19011  Cryptantha affinis J. O. Sawyer 1969-7-9 1209 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  HSC44935  Cryptantha affinis J. O. Sawyer 1978-6-19 3249 Siskiyou Marble Mtn. Wilderness Area, trail between Timothy Gulch and Harry Hall Gulch 1433 Comment
  SBBG25872  Cryptantha affinis D. Myrick 1966-8-12 1546 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  HSC3592  Cryptantha ambigua R. C. Wunner 1965-7-15 395 Siskiyou California Lava Beds National Monument; Indian Well Area 1433 Comment
  JEPS67602  Cryptantha flaccida Geo. D. Butler 1909-5-10 734 Siskiyou near Yreka Comment
  UC726047  Cryptantha intermedia A. A. Heller 1938-7-12 15250 a Siskiyou 5 mi n Weed (along U.S. Highway 97) 1066 Comment
  SBBG25894  Cryptantha torreyana D. Myrick 1966-8-9 1508 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  CAS-BOT-BC33115  Cryptantha trifurca Copeland 1903-7-5 s.n. (= no. 3550 of C.F. Baker's distribution) Siskiyou Klamathon Comment
  CAS-BOT-BC80534  Cupressus bakeri Frank Callahan; John Erwin 1998-8-8 s.n. Siskiyou Goosenest Mtn., south of Ball Mtn./Little Shasta Rd. (uphill south of Historical Smiths Sawmill) 1676 Comment
  CAS-BOT-BC80564  Cupressus bakeri Oliver V. Matthews 1939-7-11 32 Siskiyou Seiad Grove and Region 1463 Comment
  CAS-BOT-BC85601  Cupressus bakeri Oliver V. Matthews 1939-7-18 37 Siskiyou N.E. Goose Nest Grove-Goose Nest Region 1828 Comment
  RSA142696  Cupressus bakeri Al Hobart 1961-7-13 4 Siskiyou Mt. Preston 2134 Comment
  RSA22769  Cupressus bakeri O. V. Matthews 1939-7-18 37 Siskiyou Northeast Goose Nest. East of Yreka 1524 Comment
  RSA40888  Cupressus bakeri C. B. Wolf 1944-10-30 11481 Siskiyou 1mile E of Timbered Crater, Modoc Lava Beds on Old Stage Road form Dana to Little Hot Springs Valley 1220 Comment
  SEINET10899757  Cupressus bakeri subsp. matthewsii Carl B. Wolf 1944-10-29 Wolf 5051 Siskiyou North West side Goose Nest Mountain. About 1 mi due South of old Smith sawmill on Montague to Mt. Hebron Road. Arid Transition:- Incense cedar, yellow Pine. Sun. Slopes. Volcanic Rock. 1675 Comment
  CDA39940  Cuscuta campestris Paul Rowan 1963-8-9 s.n. Siskiyou W.C. Peters property, Airport Road, ca. 3 miles northeast of Montague. 0 Comment
  HSC77760  Cuscuta suksdorfii L. P. Janeway 1983-8-16 547 Siskiyou Poker Flat 1524 Comment
  UC455926  Cycladenia humilis var. humilis I. J. Condit 1911-7-22 Siskiyou trail to Horse Camp Mt. Shasta 1524 Comment
  HSC34152  Cynoglossum occidentale J. O. Sawyer 1969-9-11 2002 Siskiyou Along trail to Big Duck Lake 1707 Comment
  RSA29836  Cynoglossum occidentale L. C. Wheeler 1934-6-7 2649 Siskiyou Siskiyou Mountains: Hungry Creek Lookout. 1502 Comment
  RSA190704  Cynoglossum occidentale T. C. Fuller 1967-6-27 16034 Siskiyou Siskiyou County, W side of road to McCloud Reservoir, 0.3 mile S of McCloud Comment
  CAS-BOT-BC114150  Cyperus squarrosus Carl B. Wolf 1927-8-26 1087 Siskiyou On the Klamath River, 14 mi. above Happy Camp. Comment
  JEPS109696  Cypripedium californicum Dean W. Taylor 2002-7-20 18254 Siskiyou Forest Road 17 ca. 3.3 miles west (above) junction with Stewart Springs Road, Parks Creek 1524 Comment
  RSA382008  Cypripedium montanum Robert Kessler 1921-6-19 s.n. Siskiyou Siskiyou. Comment
  CAS-BOT-BC70718  Cystopteris fragilis L. R. Short 1933-9-10 77 Siskiyou Rogue River Forest 1889 Comment
  CAS-BOT-BC70721  Cystopteris fragilis G. Muth 1966-7-17 404 Siskiyou Marble Valley 1828 Comment
  HSC29365  Cystopteris fragilis Frederick W. Oettinger 1969-7-11 984 Siskiyou Ridge running in a SW direction on 'Little Medicine Mountain' due NW of Hancock Lake 2073 Comment
  UC1183426  Cystopteris fragilis P. Quentin Tomich 1954-6-29 435 Siskiyou Silver Cave entrance Silver Cave; Lava Beds Nat'l Monument 1402 Comment
  CAS-BOT-BC189807  Dactylis glomerata Gilbert Muth 1966-8-1 489 Siskiyou Marble Mountains. Marble Valley Horse Pasture. 1792 Comment
  CHSC6718  Dactylis glomerata B. Anthony 1968-6-2 573 Siskiyou Pasture of Betty Anthony, Old Etna, 2 miles from Etna. Comment
  CAS-BOT-BC192252  Danthonia californica Louis C. Wheeler 1934-7-2 2842 Siskiyou Klamath National Forest, Little Smoky Cr. 1280 Comment
  UC1108540  Danthonia californica var. americana Ira L. Wiggins 1955-7-27 13551 Siskiyou Caribou Lake Salmon River-Trinity Alps Primitive Area 2042 Comment
  UCD60722  Danthonia californica var. americana R. Tofsrud 1948-8-3 Siskiyou About 1 mi. SW of Happy Camp. Hwy 96. Comment
  POM142719  Darlingtonia californica H. M. Hall, E. B. Babcock 1903-06 4042 Siskiyou Mount Shasta; 18th Crossing, Sacramento River, near Sisson. 1037 Comment
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Nov 6 2019
  RSA331959  Darlingtonia californica W. Kelly, Walter Wisura 1985-7-31 4077 Siskiyou Kangaroo Lake, near camp site Comment
  UC909356  Darlingtonia californica Ira L. Wiggins 1950-5-28 12370 Siskiyou small bog on one side of ridge above Grouse Creek (about 1.5 mi from Carmen Lake) 1584 Comment
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Jan 29 2013
  CAS-BOT-BC76247  Darlingtonia californica J. H. Thomas 1949-6-16 959 Siskiyou Between Fort Jones and Etna. Comment
  SEINET12007449  Darlingtonia californica J. G. Lemmon 1873-1 s.n. Siskiyou near Mt. Shasta Comment
  CAS-BOT-BC420667  Darmera peltata George B. Grant 1902-9-13 s.n. Siskiyou Dunsmuir Comment
  RSA30642  Darmera peltata Lincoln Constance, R. C. Rollins 1942-5-13 s.n. Siskiyou Klamath-Siskiyou Region: Klamath River 4 miles east of Seiad. 457 Comment
  POM92221  Darmera peltata Geo. D. Butler 1910-4-24 1234 Siskiyou Shakleford Creek Comment
  CAS-BOT-BC141831  Dasiphora fruticosa A. A. Heller 1915-8-26 12223 Siskiyou Heather meadow near the head of Wagon Creek Canyon, Mt. Eddy 2590 Comment
  CHSC71318  Delphinium andersonii Vernon H. Oswald; Lowell Ahart 1998-6-11 9227 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  UC1334523  Delphinium andersonii G. A. L. Mehlquist and J. A. Jenkins 1940-5-30 18 Siskiyou sw-facing slope Sconchin Butte Comment
  CAS-BOT-BC8754  Delphinium glaucum J. H. Thomas; H. A. Thomas 1954-7-25 4537 Siskiyou Salmon-Trinity Mountains. Vicinity of Rush Lake and Rush Creek Meadow, 9 miles E of Cecilville 1981 Comment
  RSA17659  Delphinium nudicaule Elmer I. Applegate 1935-6-10 9484 Siskiyou steep cinder slope of Caldwell Butte, Lava Beds National monument, NE corner of Siskiyou Comment
  CDA24250  Delphinium nudicaule D. Osterhandt, Don Shaw 1978-3-31 Siskiyou Between Forks of Salmon and Somes Bar. 0 Comment
  UC375267  Delphinium nudicaule Geo. D. Butler 1909-4-18 599 Siskiyou Humbug Mountain Comment
  CHSC71319  Delphinium nuttallianum Vernon H. Oswald; Lowell Ahart 1998-6-11 9205 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. Meadow, bordering the lake. 1402 Comment
  UC1409278  Delphinium nuttallianum Frederick W. Oettinger 1969-7-10 955 Siskiyou base of cliff se Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  CAS-BOT-BC116161  Delphinium nuttallianum Gilbert J. Muth 1966-7-17 407 Siskiyou Marble Mts. meadow on trail to Lookout. 1859 Comment
  CAS-BOT-BC118068  Delphinium nuttallianum Elmer Ivan Applegate 1923-8-23 3844 Siskiyou Medicine Lake Comment
  HSC44503  Delphinium nuttallianum K. Irwin 1977-5-21 373 Siskiyou Hayden, 1 mi. W of Scott Mtn., E of Rd. 40N08 Comment
  CAS-BOT-BC192468  Deschampsia cespitosa subsp. cespitosa Doris K. Kildale 1929-7-20 8703 Siskiyou Raspberry Lake, South Fork of Indian Creek 1828 Comment
  UCD61375  Deschampsia cespitosa subsp. cespitosa Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1207 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Along shores of Gray Rock Lake. 1800 Comment
  UCD62396  Deschampsia danthonioides A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3380 Siskiyou 2 miles south of Doris, on Hwy. 97. Comment
  CAS-BOT-BC201938  Deschampsia elongata H. A. Thomas; J. H. Thomas 1954-7-24 4513 A Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  UCD63457  Deschampsia elongata A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3445 Siskiyou 11 miles north of Happy Camp, rd. to Grants pass, banks of Indian Creek. Comment
  UC536688  Descurainia incisa subsp. filipes D. H. Johnson and F. G. Palmer 1935-5-16 Siskiyou 11 mi ne Weed 1097 Comment
  CAS-BOT-BC43268  Descurainia pinnata subsp. glabra George Dexter Butler 1909-1-12 895 Siskiyou McAdams Creek. Comment
  RSA715489  Descurainia sophia L. Ahart, John Dittes 2005-6-9 12054 Siskiyou On the east side of a poor rock fence, about 350 yards E of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2.5 miles (air) ESE of Grenada. 775 Comment
  SD98874  Dianthus armeria Darley F. Howe 1977-7-2 4981 Siskiyou Scott River, resort area. 609 Comment
  HSC67514  Dicentra formosa J. P. Smith 1973-5-5 6480 Siskiyou Along Cook and Green Pass Rd. Comment
  UC35046  Dicentra formosa C. B. Bradley 1879-1 Siskiyou Comment
  CAS-BOT-BC402545  Dicentra pauciflora Arthur L. Menzies 1962-7-23 s.n. Siskiyou Castle Lake Comment
  CHSC640  Dicentra pauciflora V. Holt 1932-7-10 Siskiyou Mt. Eddy. Comment
  HSC101  Dicentra pauciflora William J. Ferlatte 1967-6-29 566 Siskiyou Along Yellow Rose Mine Trail 1677 Comment
  CAS-BOT-BC402546  Dicentra pauciflora Lillian Mott 1976-7-9 52 LM76 Siskiyou Base of Kangaroo Mt. west of Cook and Green Pass 1828 Comment
  UCSB12329  Dicentra uniflora Dearing, Hugh; Dearing, Margaret 1938-6-21 Siskiyou Mt. Shasta 2438 Comment
  UC454399  Dichelostemma capitatum I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  POM109918  Dichelostemma capitatum subsp. capitatum Geo D. Butler 1910-4-17 1192 Siskiyou Near Yreka. Comment
  UC303520  Dieteria canescens var. shastensis Geo. B. Grant 1902-9-7 5111 Siskiyou Mt. Shasta 2438 Comment
  SEINET5709532 Image available Dieteria canescens var. shastensis Lowell E. Urbatsch, D. Clark 1974-1 1509 .5 Siskiyou Along rd to Ski Bowl on Mt. Shasta.; Mount Shasta 1676 Comment
  CAS-BOT-BC153728  Diplacus nanus John Thomas Howell 1937-7-21 13174 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  JEPS107661  Distichlis spicata Lowell Ahart, John Dittes 2005-6-9 12004 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  HSC19142  Dodecatheon alpinum J. O. Sawyer 1969-7-16 1141 Siskiyou W of Waterdog Lake 2073 Comment
  CHSC75743  Dodecatheon jeffreyi Vernon H. Oswald; Lowell Ahart 1999-7-5 9826 Siskiyou Summit of Hwy. 3 on Scott Mtn. southeast of Callahan. 1645 Comment
  HSC32161  Dodecatheon jeffreyi J. O. Sawyer 1970-6-17 2203 Siskiyou Little Duck Lake Creek 2012 Comment
  HSC77071  Dodecatheon jeffreyi K. T. Stillman 1976-6-26 117 Siskiyou Marble Mountain Wilderness Area 1829 Comment
  HSC19277  Dodecatheon jeffreyi J. O. Sawyer 1968-7-22 254 Siskiyou Between Hancock and Diamond Lakes 1951 Comment
  CHSC86665  Downingia bacigalupii Jenny Marr 1993-7-1 48 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  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
  UCD115052  Draba howellii W. C. Overton Jr. 1977-7-10 s.n. Siskiyou Along trail from Big Flat Campground to Sunrise Pass (between the headwaters of Gulick Creek to the NW and Sunrise Creek to the SE) between where it crosses contour lines 7280 and summit at ca. 7440 feet, Klamath National Forest. 2218 Comment
  POM93801  Draba nemorosa Geo. D. Butler 1910-4-10 1162 Siskiyou Yreka Comment
  UCD115550  Draba pterosperma J. M. Tucker; L. K. Mann and Sandra L. Holloway 1963-8-18 3757 Siskiyou Southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2133 Comment
  JEPS53535  Draba verna Geo. D. Butler 1909-4-6 549 Siskiyou along creek near Yreka; along creek near Yreka Comment
  OBI15089  Draba verna J. Applegarth 1970-4-11 s.n. Siskiyou 914 Comment
  UC1114140  Draba verna Gene B. Newcomb and H. G. Baker Mar 28 1959-Mar 29 1959 231 Siskiyou on the road to Callahan 7.8 mi from Gazelle (at the point where the road first crosses Willow Creek); Willow Creek, 7.8 mi from Gazelle 1066 Comment
  UCD168827  Drosera rotundifolia Barry Rice 2015-9-6 BR 150902 Siskiyou East of Caldwell Fen. 2025 Comment
  HSC59615  Drymocallis glandulosa J. P. Smith, Steve Selva 1970-6-16 4062 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  SBBG30527  Drymocallis glandulosa var. glandulosa D. Myrick 1968-6-25 2019 Siskiyou Mountain Meadow Ranch, Big Flat; Coffee Crk 1524 Comment
  HSC134  Drymocallis lactea var. lactea William J. Ferlatte 1967-6-30 598 Siskiyou Josephine Lake basin 1677 Comment
  HSC90600  Drymocallis pseudorupestris var. pseudorupestris Jennifer Whipple 1976-6-23 1106 Siskiyou Mt. Eddy, E and S facing slopes draining into the N Fork of the Sacramento River 2256 Comment
  RSA577424  Eleocharis acicularis var. acicularis L. C. Wheeler 1935-7-23 3681 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Mud Springs, Middlehell Creek. 2011 Comment
  UC1265385  Eleocharis decumbens Frederick W. Oettinger and R. F. Thorne 1969-8-4 1181 Siskiyou just N of Tobacco Lake (High Lake Basins in vicinity of English Peak); Salmon Mountains, Western Siskiyou Mountains, Marble Mountai 1889 Comment
  CHSC86646  Eleocharis macrostachya Jenny Marr 1993-7-1 29 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC30716  Eleocharis macrostachya Frederick W. Oettinger 1968-9-5 716 Siskiyou Marble Mtn. Wilderness Area, inlet at SE side of Hancock Lake 1936 Comment
  CAS-BOT-BC113319  Eleocharis montevidensis David Daniels Keck 1949-7-19 s.n. Siskiyou 6.5 mi SW of Yreka on road to Ft. Jones, nr head of Yreka Creek at first spring. 1127 Comment
  RSA577566  Eleocharis obtusa L. C. Wheeler 1935-7-20 3671 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 Comment
  CAS-BOT-BC227125  Elymus Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  CAS-BOT-BC227915  Elymus elymoides R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 171 Siskiyou West slope of ridge of Red Rock Mtn. 2133 Comment
  JEPS57188  Elymus elymoides subsp. elymoides L. R. Heckard 1967-8-13 1686 Siskiyou Mt. Eddy; scree slopes near summit 2743 Comment
  HSC10945  Elymus elymoides var. elymoides D. M. Thomson 1965-6-12 79 Siskiyou Lava Beds National Monument, Hovey Point, along N boundary Comment
  HSC19240  Elymus elymoides var. elymoides J. O. Sawyer 1969-7-25 1553 Siskiyou S of High Lake 2210 Comment
  HSC30694  Elymus elymoides var. elymoides Frederick W. Oettinger 1969-9-2 1583 Siskiyou Marble Mtn. Wilderness Area, Crapo Meadow near Tom Taylor Cabin. 2027 Comment
  HSC41817  Elymus elymoides var. elymoides Robert Wharton 1977-8-20 Siskiyou Along E slope of Mt. Shasta at Wintun Glacier along ridge between Ash & Brewer Creeks 3354 Comment
  RSA239025  Elymus glaucus Frederick W. Oettinger 1969-8-16 1391 Siskiyou Edge of talus southwest of Wire Grass Meadow above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UC157086  Elymus glaucus Copeland 1903-9-6 3802 Siskiyou Mt. Eddy Comment
  HSC39437  Elymus intermedius J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 Siskiyou Parrott Mill Rd, 2 mi. S of Sugar Creek 1341 Comment
  HSC38844  Elymus multisetus J. P. Smith, Steve Selva 1970-6-15 3932 Siskiyou Between Forks of Salmon and Cecilville. Comment
  UC167210  Elymus multisetus Geo. D. Butler 1909-5-25 823 Siskiyou near Yreka Comment
  HSC39091  Elymus repens A. M. Montalvo, J. D. Ackerman 1974-7-2 345 Siskiyou E slope of Mt. Eddy, near Morgan Meadows, W of Mt Shasta City. Comment
  HSC42942  Elymus repens J. O. Sawyer, K. T. Stillman 1976-7-1 2769 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  HSC64828  Elymus spicatus J. P. Smith, Steve Selva 1970-6-16 3970 Siskiyou 6 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1280 Comment
  UC1666801  Elymus trachycaulus Geo. D. Butler 1909-6-28 850 Siskiyou along creek near Yreka Comment
  UC203918  Elymus trachycaulus Geo. D. Butler 1909-6-27 847 Siskiyou roadside near Yreka Comment
  RSA237399  Epilobium anagallidifolium Frederick W. Oettinger 1969-9-2 1595 -b Siskiyou On the cool north side of English Peak. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  HSC42892  Epilobium brachycarpum Ken Stillman 1976-8-15 407 Siskiyou Clearcut at junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  HSC16314  Epilobium brachycarpum R. C. Wunner 1965-6-20 233 Siskiyou Lava Beds N.M., near Thunderboldt Cave 1463 Comment
  RSA211348  Epilobium brachycarpum William J. Ferlatte 1966-8-2 239 Siskiyou Trinity Alps: Big Flat; wooded area near public camp 1524 Comment
  RSA237392  Epilobium brachycarpum Frederick W. Oettinger 1969-8-18 1429 Siskiyou Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1791 Comment
  JEPS121600  Epilobium ciliatum Kendra Sikes 2011-9-15 Siskiyou Tamarack Flat, north of Mt. Eddy. Gently sloping wet meadow on ultramafic soil; W aspect. South China Mountain quadrangle. TF1_A Comment
  JEPS43914  Epilobium ciliatum subsp. ciliatum Geo. D. Butler 1908-8-2 159 Siskiyou first meadow Shackelford Creek 1158 Comment
  RSA237255  Epilobium ciliatum subsp. ciliatum Frederick W. Oettinger 1967-6-28 135 Siskiyou On Salmon River near Kelly Gulch. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 613 Comment
  SEINET8198342  Epilobium ciliatum subsp. glandulosum D. W. Taylor 2002-8-7 18299 Siskiyou Logging road below Tamarack Lake, East Fork of Trinity River; seepage area ca. 300 m South of area shown on topographic maps as "4991T", 0.2 miles North of the creek crossing 1547 Comment
  UC422955  Epilobium ciliatum subsp. glandulosum Milo S. Baker Aug. 1897 141 Siskiyou Payne's Springs Comment
  JEPS38211  Epilobium densiflorum Geo. D. Butler 1908-7-26 164 Siskiyou near Yreka; Butler's Ranch Comment
  JEPS94069  Epilobium densiflorum Vernon H. Oswald and Lowell Ahart 1998-9-8 9604 Siskiyou ca. 6 air mi. w. of Mosquito Lake and Whitehorse Flat Reservoir (Julia Glover Flat on USFS 3); Julia Glover Flat 1112 Comment
  POM251081  Epilobium glaberrimum subsp. glaberrimum W. Bridge Cooke 1938-7-15 11193 Siskiyou Bear Springs, Mt. Shasta 1524 Comment
  RSA237398  Epilobium glaberrimum subsp. glaberrimum Frederick W. Oettinger 1969-8-3 1150 Siskiyou Halfway spring. trail English Lake to Diamond Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC29168  Epilobium hallianum Frederick W. Oettinger 1969-7-18 1053 Siskiyou Marble Mtn. Wilderness Area, SW of Upper English Lake 1951 Comment
  JEPS25648  Epilobium hornemannii subsp. hornemannii Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7288 Siskiyou beside rill Poker Flat 1536 Comment
  RSA237390  Epilobium hornemannii subsp. hornemannii Frederick W. Oettinger 1966-8-7 42 Siskiyou Near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA183679  Epilobium lactiflorum Gilbert Muth 1965-8-11 205 Siskiyou On trail to 4 corners, Marble Valley, Marble Mountains Comment
  CHSC118640  Epilobium luteum Julie Kierstead Nelson; Martin Lenz 2015-8-13 2015 -122 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. UTM NAD 83 Zone 10, 536798m E, 4583360m N. 2208 Comment
  HSC36894  Epilobium minutum J. P. Smith 1974-5-25 7512 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  RSA458714  Epilobium minutum Christopher Davidson 1975-6-5 2665 Siskiyou Just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  CAS-BOT-BC171863  Epilobium septentrionale John Thomas Howell 1937-7-29 13639 Siskiyou Scott Mt. between Trinity and Siskiyou counties Comment
  CHSC63407  Epilobium siskiyouense Vernon H. Oswald; Lowell Ahart 1994-7-11 6405 Siskiyou Gumboot Lake Rd. (40N37) just S of Forest Rd. 26 (to Mt. Shasta), W of Dunsmuir. Roadside bank. 1777 Comment
  UC125532  Epilobium siskiyouense Dr. E. B. Copeland 1903-9-7 3857 Siskiyou foot of glacier on se ridge Mt. Eddy Comment
  JEPS128837  Epipactis gigantea Julie Kierstead Nelson with Martin Lenz 2017-10-3 2017 -054 Siskiyou Eastern Klamath Ranges, The Eddys; Parks Creek Road (County Rd. 17). Comment
  UC371170  Equisetum laevigatum G. D. Butler 1909-5-22 879 Siskiyou Yreka Comment
  CAS-BOT-BC57807  Equisetum laevigatum J. H. Thomas 1949-6-16 941 Siskiyou 10 mi. n. of Gazelle. Comment
  UC166479  Eragrostis mexicana subsp. virescens Geo. D. Butler 1909-10-3 869 Siskiyou near Yreka Comment
  UC817674  Eragrostis mexicana subsp. virescens Louis C. Wheeler 1934-10-6 3314 Siskiyou Oak Knoll Ranger Station; Siskiyou Mts., Klamath River 670 Comment
  HSC59934  Eremogone congesta D. L. Goforth 1979-7-19 251 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin 2134 Comment
  CAS-BOT-BC168849  Eremogone congesta var. congesta Edna Kelsey 1961-8-1 s.n. Siskiyou Shackleford Trail below Bull Meadow, Marble Mts. Comment
  CAS-BOT-BC174224  Eremogone congesta var. congesta John Thomas Howell 1939-8-2 14916 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC168326  Eremogone congesta var. congesta Doris K. Kildale 1928-8-19 6543 Siskiyou Summit of divide between English Lake and Hancock Lake on trail to Marble Mt. 2194 Comment
  CAS-BOT-BC174221  Eremogone congesta var. congesta Thomas W. Nelson; Jane P. Nelson 1980-7-17 6084 Siskiyou Along Forest Service road 17 1 mile north of summit at county line 2072 Comment
  CAS-BOT-BC286701  Ericameria bloomeri Alice Eastwood 1921-7-29 10971 Siskiyou Medicine Lake Comment
  CAS-BOT-BC286704  Ericameria bloomeri Alice Eastwood 1912-8-28 1940 Siskiyou Cantara Comment
  CAS-BOT-BC291264  Ericameria bloomeri L. R. Short 1933-9-8 68 Siskiyou Klamath National Forest. Deer Camp 1889 Comment
  SEINET193114  Ericameria bloomeri A. A. Heller 1939-7-31 15428 Siskiyou Junction of the Horse Camp and Panther Meadow roads Mount Shasta Comment
  SEINET5727124 Image available Ericameria bloomeri Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7707 Siskiyou Mt. Shasta City. Collected along Road 89, E of Mt. Shasta City.; Mt. Shasta City 1338 Comment
  UC630401  Ericameria bloomeri Annetta Carter 1939-8-21 1475 Siskiyou near crest of peak above se end of Taylor Lake (12 mi sw of Etna); Salmon Mountains 2286 Comment
  CHSC67482  Ericameria greenei James D. Jokerst 1992-7-30 3434 Siskiyou Camp above Tamarack Flat, NW of Mt. Eddy. Comment
  CAS-BOT-BC298247  Ericameria nauseosa var. oreophila Geo. D. Butler 1910-8-15 1839 Siskiyou Shasta Valley Comment
  CAS-BOT-BC299467  Ericameria nauseosa var. speciosa Louis C. Wheeler 1934-8-26 3223 Siskiyou Trapper Cr., Siskiyou Mts. 1859 Comment
  HSC68482  Ericameria nauseosa var. speciosa Maralyn A. Renner 1980-6-10 875 Siskiyou Ridge 1 mi. S of Greenhorn Rd. and 1 mi. E of Mill Creek 1341 Comment
  CAS-BOT-BC294402  Ericameria parryi var. latior Alice Eastwood 1912-8-30 2079 Siskiyou Mount Eddy Comment
  CAS-BOT-BC293493  Erigeron aliceae K. T. Stillman 1976-8-7 207 Siskiyou Marble Mountain Wilderness Area 1981 Comment
  CAS-BOT-BC293501  Erigeron aliceae Doris K. Kildale 1928-8-19 6577 a Siskiyou Hancock Lake on trail to Marble Mt. 2133 Comment
  HSC68172  Erigeron aliceae J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5714 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  HSC69028  Erigeron aliceae Maralyn A. Renner 1980-7-28 2185 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  JEPS41575  Erigeron aliceae W. L. Jepson 1937-7-30 18567 Siskiyou headwaters Indian Creek; Siskiyou Mts., , Poker Flat 1584 Comment
  RSA238730  Erigeron aliceae Frederick W. Oettinger, R. F. Thorne 1969-8-4 1185 Siskiyou North side of Tobacco Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC163865  Erigeron bloomeri var. bloomeri Geo. D. Butler 1909-5-10 699 Siskiyou dry hill near Yreka Comment
  UC609333  Erigeron bloomeri var. bloomeri Eleanor Burks Hart 1938-8-18 932 Siskiyou Boulder Peak 2529 Comment
  HSC19548  Erigeron cervinus J. O. Sawyer 1969-8-5 1743 Siskiyou W of Little Duck Lake 2073 Comment
  CAS-BOT-BC300471  Erigeron filifolius J. William Thompson 1936-7-8 13157 Siskiyou Lava Beds Nat. Monument Comment
  UC895812  Erigeron filifolius Alice Eastwood 1912-7-19 1223 Siskiyou Mount Shasta Comment
  CAS-BOT-BC300474  Erigeron filifolius A. A. Heller 1938-7-12 15255 Siskiyou Near the western base of Deer Mountain 16 miles northeast of Weed on Highway #97 Comment
  RSA165609  Erigeron foliosus var. confinis Clare B. Hardham 1961-6-30 8007 Siskiyou Near White Mt. 1829 Comment
  SEINET8667555 Image available Erigeron inornatus G. D. Butler 1910-6-17 1570 Siskiyou Humbug Mountain 1067 Comment
  HSC5519  Erigeron klamathensis Lauramay T. Dempster 1961-7-1 1832 Siskiyou Slope SE of White Mtn. Comment
  CHSC91242  Erigeron philadelphicus Lowell Ahart; John Dittes 2005-6-10 12082 Siskiyou South edge of a water ditch, pipe discharge, pasture, about 90 yards east of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  HSC29865  Erigeron philadelphicus D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19538 Siskiyou Along Hwy. 96 about 8 mi. E of junction with Hwy. 5 Comment
  JEPS24812  Erigeron philadelphicus var. philadelphicus Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6823 Siskiyou 7 mi e Callahan 1127 Comment
  JEPS23  Eriodictyon californicum W. L. Jepson 1940-6-22 19975 Siskiyou Shasta River near Hawkinsville 792 Comment
  SEINET3156061  Eriodictyon californicum G. D. Butler 1910-5-25 1405 Siskiyou near Yreka Comment
  HSC92093  Eriogonum alpinum Jennifer Whipple 1978-10-6 2411 Siskiyou E face of ridge above Dale Creek Drainage 2256 Comment
  CAS-BOT-BC250064  Eriogonum compositum var. compositum John Thomas Howell 1937-7-26 13548 Siskiyou Caribou Gulch Comment
  HSC81549  Eriogonum congdonii Thomas W. Nelson, Jane P. Nelson 1980-7-21 6156 Siskiyou Along FS Rd. 40N08, 0.6 mi. from junction with Hwy. 3 1646 Comment
  JEPS105113  Eriogonum congdonii Dean W. Taylor 1993-7-30 13989 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 miles east of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  RSA0004986  Eriogonum diclinum Louis C. Wheeler 1934-9-1 3235 Siskiyou Siskiyou Mountains, Jaynes Canyon. 1951 Comment
  CAS-BOT-BC33527  Eriogonum elatum var. villosum George Dexter Butler 1910-6-26 1606 Siskiyou Near Yreka Comment
  SDSU6553  Eriogonum hirtellum D. F. Howe 1962-8-4 3385 Siskiyou Baldy Mountain. 1433 Comment
  CAS-BOT-BC259366  Eriogonum lobbii Doris K. Kildale 1928-8-20 6618 Siskiyou Hancock Lookout, on trail to Marble Mt. 13 Comment
  CAS-BOT-BC263657  Eriogonum luteolum var. luteolum Doris K. Kildale 1925-9-6 1281 Siskiyou Somes Bar, junction of Salmon and Klamath Rivers Comment
  CAS-BOT-BC263663  Eriogonum luteolum var. luteolum Louis C. Wheeler 1934-6-28 2811 Siskiyou Beaver Creek at West Fork, Siskiyou Mts. 701 Comment
  SEINET3160022  Eriogonum marifolium G. B. Grant 442 Siskiyou Mt. Shasta Comment
  UCD100380  Eriogonum marifolium Beecher Crampton 1956-8-22 3865 Siskiyou Wagon Camp Road, south slope of Mt. Shasta. 1828 Comment
  CHSC1326  Eriogonum marifolium var. marifolium M. Yoder 1941-7-21 Siskiyou Castle Lake. 1981 Comment
  CAS-BOT-BC261622  Eriogonum nudum var. nudum A. A. Heller 1915-8-26 12246 Siskiyou Wagon Creek at the foot of Mt. Eddy 1127 Comment
  HSC24702  Eriogonum nudum var. nudum J. O. Sawyer 1969-8-1 1672 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC23546  Eriogonum nudum var. nudum J. O. Sawyer 1969-7-18 1383 Siskiyou Ridge above S Russian Creek 1921 Comment
  UC164231  Eriogonum nudum var. oblongifolium Geo. D. Butler 1910-7-3 1628 Siskiyou Goosenest foothills 1219 Comment
  HSC17330  Eriogonum nudum var. pubiflorum R. C. Wunner 1965-8-26 483 Siskiyou Lava Beds N.M., N Prefab Indian Well 1433 Comment
  HSC43015  Eriogonum nudum var. pubiflorum J. P. Smith 1973-5-5 6440 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  SEINET3160017  Eriogonum nudum var. pubiflorum G. D. Butler 1910-6-26 1605 Siskiyou near Yreka Comment
  SBBG83721  Eriogonum nudum var. pubiflorum D. Koutnik, M. Townsend 1979-9-10 592 Siskiyou 5 mi SW of Yreka on Fort Jones Rd 914 Comment
  CAS-BOT-BC383120  Eriogonum pyrolifolium Andrew Townesmith; Karen M. Meyer 2007-7-30 866 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta 2399 Comment
  JEPS25567  Eriogonum pyrolifolium Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7192 Siskiyou pumice fields just e Mt. Shasta Ski Bowl Lodge (sw slope of mt., at upper end of Everitt Hwy); Mt. Shasta 2346 Comment
  SDSU6761  Eriogonum pyrolifolium D. F. Howe 1962-8-6 3411 Siskiyou Mt. Shasta, Shasta National Forest. 2438 Comment
  UC1215080  Eriogonum pyrolifolium Paul C. Hutchison 1962-8-2 928 Siskiyou between top of ski lift and Panther Meadow; Mt. Shasta 2438 Comment
  CAS-BOT-BC252954  Eriogonum pyrolifolium var. pyrolifolium Robert F. Thorne; Fred Oettinger 1969-8-10 38984 Siskiyou S slope of Mt. Shasta, slopes above ski-lodge, Mt. Shasta National Forest 2438 Comment
  POM165277  Eriogonum pyrolifolium var. pyrolifolium C. F. Baker 1903-8-16 3807 Siskiyou Mount Shasta 3049 Comment
  RSA331950  Eriogonum pyrolifolium var. pyrolifolium Dave Kelly, Walter Wisura 1985-7-31 4086 Siskiyou Mount Shasta, end of Everitt Memorial Hwy 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
  CAS-BOT-BC268575  Eriogonum siskiyouense Peter H. Raven 1956-9-4 10389 Siskiyou Pass just south of Mt. Eddy 2438 Comment
  UC1037412  Eriogonum siskiyouense Douglas Barbe 1955-7-28 316 Siskiyou nw Scott Mountain; Klamath Mountains 1737 Comment
  CAS-BOT-BC262730  Eriogonum sphaerocephalum var. halimioides L. E. Smith 1918-4-20 632 Siskiyou Yreka Comment
  CAS-BOT-BC267953  Eriogonum umbellatum Isabelle C. Kimber 1934-6-9 25 Siskiyou Steelbridge Camp, Sacramento River just above confluence with Ney Creek 731 Comment
  CAS-BOT-BC267948  Eriogonum umbellatum Dorothy Parker 1948-7-11 107 Siskiyou Upper Shovel Creek near Beswick 1011 Comment
  SEINET10904464  Eriogonum umbellatum subsp. polyanthum Mary Susan Taylor 1980-8-19 Taylor 3267 Siskiyou T43N R2E se sec 23, Medicine Lake quad. Shasta-Trinity Natl Forest, in pumice, on Paint Pot Crater. With J. Prouty & E. Heinz. 1920 Comment
  HSC43413  Eriogonum umbellatum var. argus K. T. Stillman 1976-7-31 350 Siskiyou Marble Mountain Wilderness Area: N from Black Mtn. towards Jump off point. 210 Comment
  RSA237776  Eriogonum umbellatum var. argus Frederick W. Oettinger 1969-8-19 1450 Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2043 Comment
  RSA68952  Eriogonum umbellatum var. argus A. E. Culbertson 1943-7-21 6 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall; 14 mi. S.W. of Mt. Shasta on N. side of a 6600' eastern spur of Trinity Mts. 2000 ft. above Sacramento R. within 10 mi. of its headwaters to the west. 1657 Comment
  UC61059  Eriogonum umbellatum var. dumosum W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson 18th Crossing Mount Shasta, Sisson Comment
  HSC39066  Eriogonum umbellatum var. dumosum A. M. Montalvo, J. D. Ackerman 1975-7-18 584 Siskiyou S Fork Sacramento River, W of Box Canyon Reservoir on USFS Rd. 40N30 Comment
  RSA0033767  Eriogonum umbellatum var. goodmanii Barbara Ertter 1990-7-14 9312 Siskiyou E side Mt. Eddy ca. 4 airmiles due W of Mt. Shasta City, at streamlet near end of FR 41N53 ca. 1 mi. N of Morgan Meadows. 1676 Comment
  HSC17369  Eriogonum umbellatum var. modocense D. M. Thomson 1965-6-19 87 Siskiyou Lava Beds National Monument, Captain Jacks Stronghold Comment
  UC725673  Eriogonum umbellatum var. modocense A. A. Heller 1916-7-20 12469 Siskiyou near Wagon Creek falls (e side of Mt. Eddy); Mt. Eddy 1524 Comment
  HSC43440  Eriogonum umbellatum var. nelsoniorum Jennifer Whipple 1976-9-3 1773 Siskiyou E facing slopes near Little Crater Lake 2195 Comment
  CAS-BOT-BC265195  Eriogonum umbellatum var. nevadense Noel H. Holmgren; James L. Reveal 1966-6-9 2675 Siskiyou Shasta River Canyon, US 99, 5 miles north of Yreka, Siskiyou Mountains 853 Comment
  CAS-BOT-BC262382  Eriogonum vimineum L. R. Abrams 1927-9-11 12143 Siskiyou Fork of Shasta and Klamath Rivers Comment
  RSA50139  Eriogonum vimineum E. K. Balls 1949-7-10 13967 Siskiyou 1 mi. from Cecilville on way to Forks of Salmon 716 Comment
  RSA65968  Eriogonum vimineum F. W. Peirson 1923-7-19 3708 Siskiyou Camp on Whitney Creek, Mt. Shasta Comment
  CAS-BOT-BC112321  Eriophorum crinigerum John Thomas Howell 1937-6-24 13411 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  HSC92594  Eriophyllum lanatum Jennifer Whipple 1976-7-9 1392 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2226 Comment
  CAS-BOT-BC301115  Eriophyllum lanatum var. achilleoides A. A. Heller 1915-7-16 12101 a Siskiyou North side of Mt. Eddy 1371 Comment
  UC134265  Eriophyllum lanatum var. achilleoides H. E. Brown Jun 1 1897-Jun 10 1897 336 Siskiyou near Sisson 1083 Comment
  CAS-BOT-BC301101  Eriophyllum lanatum var. achilleoides R. C. Barneby 1954-5-16 11506 Siskiyou Along Klamath R., 5 1/2 mi. upstream from Klamath River P. O. 548 Comment
  CAS-BOT-BC301449  Eriophyllum lanatum var. grandiflorum A. A. Heller 1916-6-23 12438 Siskiyou Near Black Butte north of Sisson 1127 Comment
  CAS-BOT-BC308283  Eriophyllum lanatum var. integrifolium G. J. Muth 1969-8-6 1189 Siskiyou Boulder Peak 2529 Comment
  CHSC331  Eriophyllum lanatum var. integrifolium V. Holt 1943-8-15 Siskiyou Marble mountains. 1219 Comment
  CAS-BOT-BC301715  Eriophyllum lanatum var. lanceolatum J. M. Tucker; L. K. Mann 1963-8-18 3763 Siskiyou Between Marble and southwest ridge of Black Mountain, Marble Mountain Wilderness Area 2103 Comment
  RSA14500  Eriophyllum lanatum var. lanceolatum Elmer I. Applegate 1923-9-7 3952 Siskiyou Doggett Ridge, south slope of the Siskiyou Mountains. Comment
  RSA629726  Eriophyllum lanatum var. lanceolatum L. C. Wheeler 1958-8-18 7399 Siskiyou Mt. View Mine, West Fork Seiad Creek. Comment
  RSA78806  Eriophyllum lanatum var. lanceolatum P. A. Munz 1952-7-3 17920 Siskiyou Ft. Goff Public Camp, Klamath River 366 Comment
  UCD132196  Eriophyllum lanatum var. lanceolatum J. M. Tucker; L. K. Mann 1963-8-18 3763 Siskiyou On top of saddle, between Marble and southwest ridge of Black Mountain, Marble Mountain Wilderness Area. 2103 Comment
  HSC36770  Erodium cicutarium J. P. Smith 1974-5-25 7400 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  CAS-BOT-BC54575  Erysimum capitatum L. E. Smith 1913-5-25 280 Siskiyou Gazelle. Comment
  CAS-BOT-BC54587  Erysimum capitatum F. D. Douthitt 1919-5-17 12 Siskiyou Rattlesnake Ridge. 1066 Comment
  UC585098  Erysimum capitatum var. capitatum E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1916 Siskiyou about 7 mi sw Yreka (s of hwy from Yreka to Fort Jones); Forest House Mt. 1363 Comment
  RSA120812  Erysimum capitatum var. perenne Douglas Barbe 1955-7-6 116 Siskiyou Taylor Lake, Salmon Mtns. 1951 Comment
  HSC91049  Erysimum perenne Jennifer Whipple 1976-6-24 1131 Siskiyou N slopes of Mt. Eddy 2439 Comment
  CAS-BOT-BC105089  Erythranthe linearifolia R. C. Wenk 2008-7-25 961 Siskiyou 9.5 miles W of Callahan on Forest Highway 93 / Cecilville Rd. 1592 Comment
  CHSC33834  Erythranthe primuloides R. E. Preston 1981-8-22 141 Siskiyou N shore of Juanita Lake. 1556 Comment
  JEPS50833  Erythronium grandiflorum Theodore Niehaus 1967-7-3 769 Siskiyou Sky High Lakes Marble Mt. Wilderness Area Comment
  RSA0036119  Erythronium grandiflorum var. pallidum Marion Ownbey, Ruth P. Ownbey 1938-7-19 1753 Siskiyou Summit of the Siskiyou Mountains, 2 1/2 miles northwest of Dry Lake lookout. Comment
  RSA0008954  Eschscholzia confinis E. B. Copeland 1903-7-2 3532 Siskiyou Klamathon Comment
  HSC473  Eucephalus ledophyllus var. ledophyllus William J. Ferlatte 1966-8-3 298 Siskiyou Yellow Rose Mine 1982 Comment
  UC1034598  Euonymus occidentalis var. occidentalis Douglas Barbe 1955-6-30 60 Siskiyou 0.8 mi. n.w. Forest Camp (Etna, along Johnson Creek); Klamath Mts., Etna, Johnson Creek 944 Comment
  CDA35318  Euphorbia crenulata W. Martin & R. Taylor 1975-8-15 s.n. Siskiyou West of Greenview on Mill Creek. 0 Comment
  POM210925  Euphorbia lathyris L. C. Wheeler 1934-11-4 3358 Siskiyou Marble Mountains: Scott Bar, Scott River. (Mt Diablo Mer.) 518 Comment
  JEPS24788  Eurybia radulina Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6796 Siskiyou 6.2 mi above and sw of junction with road to, along road to Castle Lake Gumboot Lake; Scott Creek Camp 1432 Comment
  HSC72193  Euthamia occidentalis J. P. Smith 1976-9-5 8985 Siskiyou In Scott Valley 671 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
  HSC75132  Festuca californica J. P. Smith, Thomas W. Nelson 1979-6-16 10132 Siskiyou Along State Route 3, 3.1mi from Scott Mtn. summit. 1280 Comment
  RSA239117  Festuca idahoensis Frederick W. Oettinger 1969-9-2 1584 Siskiyou Bear Meadow near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  UCD66385  Festuca idahoensis Mr. Roseman 1913-1 24 Siskiyou Butte Valley. Comment
  HSC19418  Festuca occidentalis J. O. Sawyer 1969-7-26 1576 Siskiyou SE facing slope near Sugar Creek 1700 Comment
  UC1190231  Festuca occidentalis Ira L. Wiggins 1955-7-24 13498 Siskiyou ridge between upper reaches of China Creek and Blind Horse Creek Comment
  UCD37079  Festuca occidentalis Beecher Crampton 1956-8-21 3814 Siskiyou 15 miles southwest of city of Mount Shasta, slope above Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  CHSC61574  Festuca pratensis L. P. Janeway 1983-8-26 602 Siskiyou Siskiyou Mountains; at Poker Flat, front edge of upper part of the meadow. 1524 Comment
  UC1026159  Festuca pratensis Louis C. Wheeler 1935-6-2 3545 Siskiyou Shasta River Siskiyou Mts. Comment
  UCD66273  Festuca roemeri A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3431 Siskiyou 13 miles east of Hamburg, banks of Klamath River. Comment
  CAS-BOT-BC279073  Festuca rubra David D. Keck 1949-7-19 6357 Siskiyou 6.5 mi. SW of Yreka on road to Ft. Jones, nr. head of Yreka Creek 1127 Comment
  CAS-BOT-BC282571  Festuca viridula Gilbert Muth 1969-8-7 1261 Siskiyou Boulder Peak Ridge 2468 Comment
  UC166619  Fragaria virginiana subsp. platypetala Geo. D. Butler 1910-5-10 1315 Siskiyou Goosenest foothills; Goosenest 1524 Comment
  UC375379  Fragaria virginiana subsp. platypetala Geo. D. Butler 1908-8-10 278 Siskiyou Shackleford Creek Log Lake Meadows (edge of Log Lake Meadows) Comment
  SEINET7417489 Image available Frangula californica A. A. Heller 1916-1 12490 Siskiyou E side of Mount Eddy Comment
  CAS-BOT-BC53263  Frangula californica subsp. californica Marion Ownbey; Fred G. Meyer 1940-7-8 2224 Siskiyou Dry hillside along Indian Creek, 12 miles above Happy Camp Comment
  HSC100316  Frangula californica subsp. californica J. P. Smith, J. O. Sawyer 2011-7-21 13027 Siskiyou Along Klamath Forest Service Road 13N18, 0.3 mi. N of Ogaromtoc Lake. 568 Comment
  CAS-BOT-BC53413  Frangula californica subsp. occidentalis W. R. Dudley 1892-6-23 s.n. Siskiyou Castle Lake Trail, near Mt. Shasta Comment
  CAS-BOT-BC60014  Frangula purshiana H. A. Thomas; J. H. Thomas 1954-7-22 4452 Siskiyou Salmon - Trinity Mts. about 6 mi. se. of Cecilville. Between Rush and Big Bend Creeks, 0.25-0.5 mi. n. of S. Fork of 975 Comment
  CHSC69831  Frangula rubra J. P. Smith; J. O. Sawyer, Maralyn O'Meara 1972-7-3 5723 Siskiyou East slope of Kangaroo Mtn. above Toehead Lake. 1889 Comment
  CAS-BOT-BC55699  Frangula rubra subsp. modocensis A. A. Heller 1920-8-13 13525 Siskiyou near Upton Comment
  CAS-BOT-BC55714  Frangula rubra subsp. obtusissima Alice Eastwood 1923-5-23 11930 Siskiyou Cantara Comment
  HSC101837  Frangula rubra subsp. obtusissima J. P. Smith, J. O. Sawyer, R. J. Cole 2011-5-22 13169 Siskiyou Klamath National Forest, East Fork Campground. 735 Comment
  HSC101714  Frangula rubra subsp. yosemitana J. P. Smith, J. O. Sawyer 2011-6-25 13263 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  CAS-BOT-BC5528  Frasera albicaulis var. nitida Alice Eastwood 1921-7-24 10711 Siskiyou Castle Lake Comment
  UC705736  Fritillaria atropurpurea Marion Ownbey, D. H. Brown 1941-6-25 2433 Siskiyou near Donomore Meadow (e end of Siskiyou Mountains, near the Oregon Line); Siskiyou Mountains Comment
  HSC2318  Fritillaria recurva Geo. D. Butler 1910-4-17 1191 Siskiyou Near Yreka Comment
  HSC44914  Fritillaria recurva J. P. Smith 1973-5-5 6471 Siskiyou Along Cook and Green Pass Rd. Comment
  UC166189  Fritillaria recurva Geo. D. Butler 1910-4-17 1191 Siskiyou near Yreka Comment
  SEINET8480257  Fritillaria recurva G. D. Butler 1910-4-17 1191 Siskiyou Near Yreka. Comment
  CDA5857  Gaillardia aristata G. D. Barbe, T. C. Fuller 1972-6-14 947 Siskiyou North of Weed, ca. 1 mile north of US 97 on Hoy Road. 0 Comment
  RSA105358  Galium bifolium G. D. Barbe 1955-7-17 210 Siskiyou 1 mile. S of Toomes Camp on the country road. West slope. 1890 Comment
  JEPS6708  Galium bolanderi Geo. D. Butler 1908-8-21 413 Siskiyou Etna Creek 1158 Comment
  JEPS93919  Galium bolanderi Vernon H. Oswald and Lowell Ahart 1998-8-3 9412 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.5 mi se of Gazelle-Callahan Road; Kangaroo Lake Road 1493 Comment
  UC618721  Galium bolanderi W. Bridge Cooke 1938-9-2 11595 Siskiyou Sisson Southern Trail Mount Shasta Comment
  POM60712  Galium bolanderi E. B. Copeland 1903-8-14 3779 Siskiyou Sisson. Comment
  HSC61212  Galium glabrescens subsp. glabrescens Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  RSA165560  Galium glabrescens subsp. glabrescens Clare B. Hardham 1961-6-30 1820 Siskiyou Near White Mt. Comment
  HSC22198  Galium triflorum J. O. Sawyer 1968-6-18 245 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  HSC68476  Galium triflorum Maralyn A. Renner 1980-6-26 1217 Siskiyou SE edge of Flint Valley. 1390 Comment
  CAS-BOT-BC182267  Garrya fremontii Wm. Bridge Cooke 1941-9-16 16319 Siskiyou Along the Castle Lake Road 1219 Comment
  CAS-BOT-BC182271  Garrya fremontii Alice Eastwood 1921-7-24 10712 Siskiyou Castle Lake Comment
  HSC31327  Garrya fremontii K. L. Chambers 1967-6-22 2848 Siskiyou About 500 ft. above and E of the freeway (Hwy. 5 ) at the Hilts exit, Siskiyou Pass 1098 Comment
  HSC63076  Garrya fremontii David Wheeler 1979-4-7 24 Siskiyou Comment
  CAS-BOT-BC182248  Garrya fremontii J. H. Thomas 1954-5-13 4162 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles woutheast of Cecilville 1127 Comment
  UC114767  Gayophytum diffusum subsp. parviflorum W. Bridge Cooke 1956-7-19 30311 Siskiyou below Wagon Camp; Mt. Shasta Comment
  RSA237860  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1969-8-14 1380 Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area 1738 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
  UC904788  Gayophytum heterozygum W. Bridge Cooke 1949-8-26 25667 Siskiyou along logging road above Bolam Station; Mount Shasta Comment
  UCD77734  Gayophytum humile Robert E. Preston 2002-6-20 1832 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope 1911 Comment
  RSA237868  Gayophytum humile Frederick W. Oettinger 1969-8-14 1379 Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area 1738 Comment
  UC165763  Gentiana calycosa Geo. D. Butler 1908-8-9 418 Siskiyou along trail West Fork of Wooly Creek Comment
  HSC524  Gentiana newberryi William J. Ferlatte 1966-8-17 388 Siskiyou Caribou Basin 1982 Comment
  POM254105  Gentiana plurisetosa Harris 1939-8-29 s.n. Siskiyou Half Moon Meadow, Marble Mountain Primitive Area 1670 Comment
  CAS-BOT-BC26883  Gentianella amarella subsp. acuta Edwin Bingham Copeland 1902-9-6 s.n. (= no. 3849 of C.F. Baker's distribution) Siskiyou Mt. Eddy Comment
  SBBG16394  Geum aleppicum D. Myrick 1961-6-20 277 Siskiyou rd to Bear Springs E of Mt Shasta City 1371 Comment
  SEINET3156722  Geum triflorum G. D. Butler 1910-6-19 1578 Siskiyou Goosenet foothills 1524 Comment
  UC1258442  Gilia capitata subsp. capitata Maralyn A. Renner 1980-7-23 1848 Siskiyou near ridge about 1 mi e Cook and Green Pass (Pacific Crest Trail); Seiad Valley Quad., Klamath National Forest 1752 Comment
  HSC30425  Gilia capitata subsp. capitata Frederick W. Oettinger 1968-8-16 545 Siskiyou High Lake Basin in the vicinity of English Peak, Marble Mtn. Wilderness Area: Red Hill N of Hancock Lake 1997 Comment
  RSA0083762  Gilia sinuata Dean William Taylor 1995-6-4 14967 Siskiyou 3 miles west of HIghway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. 10 miles North of Weed). 1158 Comment
  HSC22306  Glyceria elata J. O. Sawyer 1969-8-4 1792 Siskiyou Along C.C.C. road 1341 Comment
  CAS-BOT-BC302669  Gnaphalium palustre Carl B. Wolf 1927-8-26 995 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  UC1192118  Gnaphalium palustre Herbert L. Mason 1948-7-17 13605 Siskiyou Eastern Grass Lake Comment
  UC134940  Gnaphalium palustre E. B. Copeland 1903-7-2 3533 Siskiyou Klamathon Pacific Coast, Klamathon Comment
  UC144171  Gnaphalium palustre Copeland 1903-10-5 3846 Siskiyou Igerna Comment
  CAS-BOT-BC302675  Gnaphalium palustre W. B. C. 1941-8-8 16144 Siskiyou Along the Wagon Camp road above Howard, Mt. Shasta Comment
  RSA237527  Gnaphalium palustre Frederick W. Oettinger 1969-8-31 1567 Siskiyou Weed patch at campsite, English Lake; Salmon Mts; The high lake basins in the vicinity of English Peak, Marble Mt. Wilderness Area. 1829 Comment
  UC885859  Gratiola ebracteata Louis C. Wheeler 1935-6-13 3570 Siskiyou Greenview , Greenview (Scott Valley) 883 Comment
  RSA59842  Grayia spinosa E. K. Balls 1950-5-17 14726 Siskiyou SW corner of Tule Lake, (State Game Refuge). 1265 Comment
  UC87889  Grindelia hirsutula T. S. Brandegee 1887-7-1 Siskiyou Ager Comment
  SD51276  Grindelia nana Darley F. Howe 1961-8-3 3178 Siskiyou 26.5 miles east of Highway #99 on Highway 89 Comment
  JEPS109777  Gypsophila paniculata var. paniculata D. W. Taylor 2002-7-27 18276 Siskiyou Weed (town), on far western end of town along the old highway to Yreka. Comment
  UC1220392  Gypsophila paniculata var. paniculata T. C. Fuller 1963-8-27 11160 Siskiyou n limits Macdoel Comment
  HSC82261  Hackelia californica Thomas W. Nelson, Jane P. Nelson 1980-7-5 5978 Siskiyou Fowler's Campground 1006 Comment
  JEPS2565 Image available Hackelia californica C. G. Pringle 1881-8-23 Siskiyou Mount Shasta Comment
  POM72797  Hackelia californica Edward Palmer 1892-7-13 2437 Siskiyou Mount Shasta and vicinity Comment
  SEINET10698095  Hackelia californica Karen M. Meyer, Andrew Townesmith 2007-7-29 Meyer 170 Siskiyou Shasta-Trinity National Forest. 0.3 mi. on 40N25 Rd., off Siskiyou County Rd., A10/Everitt Memorial Hwy. 1805 Comment
  UC206128  Hackelia californica Milo S. Baker Aug. 1893 Siskiyou Medicine Lake Comment
  RSA235938  Hackelia californica J. L. Gentry Jr., David Vierig 1968-6-18 2065 Siskiyou 12.1 miles northwest of Siskiyou-Shasta Co. line on Calif. Hwy. 89. Comment
  HSC22162  Hackelia micrantha J. O. Sawyer 1969-7-16 1137 Siskiyou SW facing upper slope SW of Waterdog Lake. 2104 Comment
  UC1713303  Hackelia micrantha Milo S. Baker 1893-8-9 Siskiyou Medicine Lake Comment
  HSC626  Hackelia micrantha William J. Ferlatte 1966-7-7 213 Siskiyou NW side of Caribou Mtn. 1829 Comment
  UC1035169  Hackelia micrantha Dorothy Parker 1953-8-9 585 Siskiyou along edge of small lake in the Salmon Mountain Range; Siskiyou Mountains, Salmon Mountain Range 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
  UC54916  Hastingsia alba T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC130670  Hastingsia alba H. M. Hall July 1909 8679 Siskiyou Salmon River , Salmon Mountains (Salmon Mountains) 1584 Comment
  CAS-BOT-BC302451  Hazardia whitneyi var. discoidea Gilbert Muth 1965-8-4 310 Siskiyou Marble Valley Comment
  CAS-BOT-BC302454  Hazardia whitneyi var. discoidea Edward Lee 1934-8-14 1097 Siskiyou Near summit of Little Grayback, Siskiyou-Del Norte County line 1868 Comment
  HSC26895  Hazardia whitneyi var. discoidea J. P. Smith 1971-9-17 4786 Siskiyou On trail up to Little Duck lake 1829 Comment
  JEPS112688  Hazardia whitneyi var. discoidea Dean W. Taylor 1999-8-12 17352 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1889 Comment
  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
  CAS-BOT-BC306353  Helenium L. E. Smith 1913-6-29 435 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC306742  Helenium bigelovii Alice Eastwood 1921-7-25 10847 Siskiyou Bigelows, McCloud River Comment
  JEPS80579  Helenium bigelovii Gilbert Muth 1965-8-2 145 Siskiyou Marble Valley Marble Mt. Wilderness Area, Marble Valley 1792 Comment
  SEINET11196739 Image available Helenium bigelovii I. L. Wiggins 1955-7-26 13510 Siskiyou Banks of S Fork of Salmon River, just above mouth of Blind Horse Creek 887 Comment
  HSC103638  Helianthella californica var. shastensis Thomas W. Nelson, Jane Nelson 1985-6-19 7819 Siskiyou In and about Scott Mountain Campground. 1646 Comment
  CAS-BOT-BC314840  Helianthella californica var. shastensis L. E. Smith 1913-5-16 s.n. Siskiyou Dunsmuir Comment
  CHSC91351  Heliotropium curassavicum Lowell Ahart; John Dittes 2005-6-9 12038 Siskiyou Rocky hill, about 20 yards north 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
  JEPS84217  Hemitomes congestum L. R. Heckard with J. Hickman et al. 1986-7-17 6449 Siskiyou Cook and Green Pass ca. 5 mi N of the town of Seiad Valley 1465 Comment
  UC134584  Hemizonella minima H. E. Brown June 1-10 1897 307 Siskiyou near Sisson 1083 Comment
  HSC510  Hemizonella minima William J. Ferlatte 1967-6-27 541 Siskiyou Big Flat, near public campground 1524 Comment
  SFV4041  Hemizonella minima J. M. Tucker 1963-7-4 3695 Siskiyou Beside road from Etna to Sawyer's Bar, about 4.7 miles (by road) from southwest Etna. Comment
  POM52735  Hemizonia fitchii Geo D. Butler 1910-7-31 1805 Siskiyou Near Yreka. Comment
  POM211204  Heracleum maximum L. C. Wheeler 1934-7-5 2881 Siskiyou Dear Creek, Sterling Mountain, Siskiyou Mountains 1677 Comment
  CDA3752  Hesperis matronalis William J. Ferlatte 1990-5-23 Siskiyou Old Edgewood Road near railroad undercrossing, Edgewood. 0 Comment
  RSA256713  Hesperochiron pumilus J. P. Smith 1974-5-26 7564 Siskiyou Along Forest Service Road 47N03. 1524 Comment
  SEINET10972516  Heterocodon rariflorum Oettinger 1966-8-18 OETTINGER 1427 Siskiyou VIC. ENGLISH PEAK, MARBLE MTN WILDERNESS, N OF HORSE RANGE LAKE OUTLET ON MOSSY DRIPPING ROCKS Comment
  JEPS104877  Heterotheca oregona var. compacta Dean W. Taylor 1993-7-30 14019 Siskiyou Highway 3 about 7 miles east of Fort Jones (tributary to Scott River); Klamath National Forest 609 Comment
  SEINET3166883  Heterotheca oregona var. rudis J. C. Semple, S. Heard 1986-8-16 8496 Siskiyou E of Etna. On road to Gazelle, just NE of CA-3; 9.8 km S of road to Managaroo Lake Comment
  HSC86361  Heuchera cylindrica J. O. Sawyer 1983-7-7 4229 Siskiyou Top of Medicine Mtn. 2085 Comment
  RSA0063194  Heuchera merriamii William J. Ferlatte 1967-8-20 1061 Siskiyou Caribou Basin. Sawtooth Ridge. Trinity Alps. 2043 Comment
  HSC26104  Heuchera micrantha J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5675 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  CAS-BOT-BC425006  Heuchera micrantha var. micrantha Lewis S. Rose 1945-6-18 45107 Siskiyou Horse Creek & Klamath River 502 Comment
  HSC22154  Hieracium bolanderi J. O. Sawyer 1969-7-20 1566 Siskiyou SE facing slope near the N fork of Sugar Creek 1753 Comment
  JEPS104845  Hieracium greenei Dean W. Taylor 1996-6-28 15754 Siskiyou Antelope Mountain (about 8 air miles south of Yreka) 1798 Comment
  OBI80263  Hieracium greenei David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  CAS-BOT-BC318524  Hieracium greenei C. G. Pringle 1882-9-1 s.n. Siskiyou Mts. about the head waters of teh Sacramento River Comment
  UC1299259  Hieracium greenei Freed W. Hoffman 1948-7-12 2492 Siskiyou between Cinnabar Springs and Bear Creek; Beaver Creek 914 Comment
  RSA238732  Hieracium horridum Frederick W. Oettinger 1969-9-3 1610 Siskiyou Shasta Ridge below English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC316020  Hieracium nudicaule John Thomas Howell 1934-7-4 12389 Siskiyou Se. corner of Siskiyou Co. Comment
  HSC712  Hieracium scouleri William J. Ferlatte 1967-8-20 1041 Siskiyou Caribou Mtn. 2470 Comment
  RSA449752  Holodiscus boursieri Katherine Curran 1887-09 s.n. Siskiyou Downer Lake, Siskiyou? Comment
  HSC29378  Holodiscus discolor Frederick W. Oettinger 1968-9-8 787 Siskiyou S of English Lake 1784 Comment
  HSC4856  Holodiscus discolor J. O. Sawyer 1968-9-9 652 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  RSA237609  Holodiscus discolor Frederick W. Oettinger 1968-8-13 503 Siskiyou Southeast side of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  CAS-BOT-BC152382  Holodiscus discolor var. discolor John Thomas Howell 1939-8-2 14884 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC152373  Holodiscus discolor var. discolor W. R. Dudley 1901-8-24 s.n. Siskiyou Head of Coffee Creek, Salmon Mts. Comment
  JEPS117844  Holodiscus discolor var. glabrescens J. Greenhouse with Eric White, John Game 2010-8-16 5132 Siskiyou Shastina, ridge approached from S side of Diller Canyon Shasta National Forest 2813 Comment
  CAS-BOT-BC150142  Holodiscus microphyllus var. glabrescens Elmer I. Applegate 1935-6-5 9337 a Siskiyou Lyons road, north boundary of Lava Beds National Monument Comment
  UCD98181  Holosteum umbellatum subsp. umbellatum J. T. Howell; T. C. Fuller, G. D. Barbe 1980-4-28 2577 Siskiyou Grenada. 800 Comment
  UC197104  Hordeum brachyantherum subsp. brachyantherum Geo. D. Butler 1910-6-15 1564 Siskiyou Yreka Creek Comment
  SEINET10887945  Hordeum depressum Lowell Ahart, John Dittes 2005-6-9 Ahart 12001 Siskiyou T44N, R5W, southwest 1/4 Section 30. 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. 775 Comment
  CAS-BOT-BC143949  Horkelia daucifolia L. E. Smith 1914-5-14 700 Siskiyou Yreka Comment
  CAS-BOT-BC143957  Horkelia daucifolia L. B. Kildale 1930-6-1 9725 Siskiyou Salmon River between Oak Bottom & Somes Bar Comment
  CAS-BOT-BC143963  Horkelia daucifolia Alice Eastwood; John Thomas Howell 1934-4-20 1752 Siskiyou Near Yreka on Ft. Jones Road Comment
  JEPS44540  Horkelia daucifolia Geo. D. Butler 1909-5-8 713 Siskiyou e Yreka (Shasta Valley); Shasta Valley Comment
  CAS-BOT-BC143938  Horkelia daucifolia M. K. C. 1887-1-1 s.n. Siskiyou Ager Comment
  CDA25947  Horkelia daucifolia T. C. Fuller 1962-5-18 8747 a Siskiyou West side of Shasta Valley, Giebner property, 2 miles south of Yreka. 0 Comment
  RSA14934  Horkelia daucifolia J. T. Howell 1934-4-20 1752 Siskiyou Near Yreka on Fort Jones Road Comment
  RSA88251  Horkelia daucifolia Geo. D. Butler 1909-5-8 713 Siskiyou Shasta Valley Comment
  JEPS44564  Horkelia fusca subsp. parviflora W. L. Jepson 1914-8-9 5740 Siskiyou McCloud 1036 Comment
  UC796495  Horkelia tridentata subsp. flavescens Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11792 Siskiyou s Callahan (Scott Mountain Rd) Comment
  HSC71347  Hosackia crassifolia J. P. Smith 1976-5-21 8773 Siskiyou Klamath National Forest, FS Rd. 40N08, 12.3 mi. from its junction with Hwy. 3 1220 Comment
  CAS-BOT-BC201133  Hosackia crassifolia Doris K. Kildale 1929-7-20 8573 Siskiyou South Fork Indian Creek near Gilmore's 457 Comment
  HSC32005  Hosackia crassifolia A. M. Montalvo, J. D. Ackerman 1974-7-2 358 Siskiyou Along rd. to Shasta Retreat, 2 mi. S of Snowman Hill and Hwy. 89 Comment
  CAS-BOT-BC142672  Howellanthus dalesianus F. W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mts., Shasta-Trinity National Fores: c. 15 air mi. SW of Weed near Kangaroo Lake Campground Comment
  CDA22258  Humulus lupulus T. C. Fuller 1959-10-21 3155 Siskiyou North limits of Mt. Shasta City. 0 Comment
  SBBG30499  Hydrophyllum fendleri D. Myrick 1968-6-26 2027 Siskiyou upper end of Coffee Crk; Trinity Alps 1463 Comment
  HSC22098  Hydrophyllum occidentale J. O. Sawyer 1969-7-16 1139 Siskiyou SW facing upper slope SW of Waterdog Lake. 2104 Comment
  JEPS82677  Hydrophyllum occidentale Wayne Roderick 1984-6-7 Siskiyou sw of Stewart Springs (Cabin Meadow); Cabin Meadow 1935 Comment
  UC164143  Hydrophyllum occidentale Geo. D. Butler 1909-4-25 691 Siskiyou Quartz Valley Comment
  RSA715488  Hymenolobus procumbens L. Ahart, John Dittes 2005-6-9 12044 Siskiyou 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 22 1/2 miles (air) east-southeast of Grenada. 775 Comment
  HSC69225  Hypericum anagalloides Maralyn A. Renner 1980-8-31 2619 Siskiyou Twin Valley. 1494 Comment
  HSC29201  Hypericum anagalloides Frederick W. Oettinger 1968-8-7 444 Siskiyou Marble Mts. Wilderness Area, inlet of Tobacco Lake 1890 Comment
  CHSC739  Hypericum formosum var. scouleri 1936-6-30 Siskiyou Mt. Shasta City. 1097 Comment
  UC1034590  Hypericum perforatum Douglas Barbe 1955-7-1 72 Siskiyou 1.3 mi. e. Etna (on Westside Rd. to Callahan, s. of the rd.); Klamath Mts. 853 Comment
  CAS-BOT-BC401469  Hypericum scouleri Carl B. Wolf 1927-8-26 1074 Siskiyou On the Klamath River, near Hamburg Comment
  POM95938  Idahoa scapigera Geo. D. Butler 1909-2-14 571 Siskiyou Near Yreka. Comment
  CHSC1031  Iliamna bakeri V. Holt 1932-7-17 Siskiyou Mt. Shasta Flats. 1158 Comment
  HSC89866  Iliamna bakeri L. R. Heckard, Lincoln Constance, Robert Ornduff 1969-6-24 2290 Siskiyou NW side of Mt. Shasta along Hwy. 97, 0.7 miles S of Bolam road junction Comment
  UC1075558  Ipomopsis aggregata E. K. Balls and L. W. Lenz 1956-6-18 21803 Siskiyou 4.4 mi e McCloud (State Hwy 89) 1036 Comment
  UC722306  Iris bracteata C. L. Hitchcock and J. S. Martin 1939-7-7 5270 Siskiyou 13 mi s Takilma, Oregon (Sanger Peak Trail); Sanger Peak Trail 1066 Comment
  RSA366802  Iris hartwegii E. Yale Dawson 1948-7-16 5099 -a Siskiyou Grass Lake; Margins of Grass Lake, a drying, vernal lake north of Mount Shasta 1524 Comment
  CAS-BOT-BC376182  Isatis tinctoria Andrew Townesmith; Karen M. Meyer 2007-8-3 896 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along state route 96, 5.2 miles west of National Forest boundary. Vicinity of Cayuse Day Use Area 576 Comment
  CDA3769  Isatis tinctoria Margaret Bellue 1935-6-21 Siskiyou Scott Valley. 0 Comment
  HSC36871  Isatis tinctoria J. P. Smith 1974-5-26 7528 Siskiyou On Hwy. 3, 0.5 mi. NE of Fort Jones 854 Comment
  HSC64125  Isatis tinctoria J. P. Smith 1973-5-5 6526 Siskiyou Scott Bar along the Scott River Comment
  JEPS13904  Isatis tinctoria unknown 1912-1 Siskiyou Comment
  SEINET5342457  Isatis tinctoria G. Butler 1910-6-7 1534 Siskiyou Scott Rin. Comment
  UCD78127  Isoetes bolanderi Robert E. Preston 2002-7-13 1918 Siskiyou Klamath National Forest, Rainbow Lake 1828 Comment
  RSA636054  Isoetes bolanderi I. Shackleford 1995-7-24 257 Siskiyou Big Carmen Lake, along a road connecting to Hwy 3. 1650 Comment
  HSC28736  Isoetes occidentalis Frederick W. Oettinger 1967-8-21 303 Siskiyou Marble Mtn. Wilderness Area, on the NW side of Pine Lake 1921 Comment
  RSA237984  Isoetes occidentalis Frederick W. Oettinger 1969-8-7 1268 Siskiyou W end of English Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1753 Comment
  JEPS60638  Isopyrum stipitatum Geo. D. Butler 1909-2-28 Siskiyou near Yreka Comment
  POM211513  Isopyrum stipitatum Louis C. Wheeler 1935-3-10 3371 Siskiyou Siskiyou Mountains: Miller Gulch off Klamath River. 671 Comment
  HSC90740  Ivesia gordonii Jennifer Whipple 1976-7-1 1228 Siskiyou Near Little Crater Lake 2195 Comment
  JEPS57180  Ivesia gordonii L. R. Heckard 1967-8-13 1695 Siskiyou summit region Mt. Eddy; Mt. Eddy summit region 2743 Comment
  HSC93820  Juncus balticus subsp. ater Jennifer Whipple 1976-7-2 1250 Siskiyou Near edge of Dobkins Lake 2073 Comment
  HSC99317  Juncus bolanderi C. B. Wolf 1927-8-26 1096 Siskiyou Klamath River 14 mi. above Happy Camp Comment
  RSA44507  Juncus bolanderi Henry M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, north of Somes Bar. Comment
  RSA238901  Juncus drummondii Frederick W. Oettinger 1968-8-2 360 Siskiyou East shore of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CHSC40147  Juncus effusus subsp. pacificus L. P. Janeway 1983-7-2 363 Siskiyou On se side of Klamath R ca 6 mi e on China Cr Rd from Happy Camp. Ca 1/2 m from water's edge. 335 Comment
  HSC73220  Juncus ensifolius Gail Newton 1980-6-20 504 Siskiyou Near Bald Mtn. 1097 Comment
  HSC78324  Juncus ensifolius L. P. Janeway 1983-8-16 544 Siskiyou Poker Flat 1524 Comment
  UC618816  Juncus ensifolius unknown 1938-7-29 11398 Siskiyou Bear Springs Mount Shasta Comment
  CAS-BOT-BC127616  Juncus mertensianus John Thomas Howell 1939-8-5 15063 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC127621  Juncus mertensianus Robert F. Thorne; Fred Oettinger 1969-8-10 38954 Siskiyou Mount Shasta National Forest. South slope of Mount Shasta, Panther Creek Meadows. 2194 Comment
  CAS-BOT-BC127624  Juncus mertensianus Jennifer Whipple 1976-7-1 1243 Siskiyou Mount Eddy. Klamath Mountains. Near Durney Lake. 2194 Comment
  HSC96563  Juncus mertensianus Gordon Leppig, J. Kalt 1996-7-9 355 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  UCD141353  Juncus mexicanus Harold L. Lint; Mary E. Lint 1967-8-7 C 657 Siskiyou Panther Meadows on slopes of Mt. Shasta. Comment
  POM110776  Juncus occidentalis Geo D. Butler 1910-7-9 1697 Siskiyou Shackleford Creek. 1220 Comment
  HSC22104  Juncus parryi J. O. Sawyer 1969-7-10 1301 Siskiyou SE facing slope above South Sugar Lake 2165 Comment
  POM211411  Juncus parryi L. C. Wheeler 1934-8-17 3186 Siskiyou East end White Mt. Siskiyou Mountains. 1829 Comment
  UCD141754  Juncus parryi William Bridge Cooke 1937-8-7 9252 Siskiyou Vicinity of The Gate (south) Hudsonian. 2590 Comment
  RSA44499  Juncus patens Henry M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, near Somes Bar. Comment
  CAS-BOT-BC279922  Juncus trilocularis Peter F. Zika 2009-8-16 24598 Siskiyou Forest Service Road 46N04, Cascade Range Highlands (CaRH) 1550 Comment
  CAS-BOT-BC81225  Juniperus occidentalis L. E. Smith 1913-8-13 522 Siskiyou Yreka Comment
  NY19868  Juniperus occidentalis E. P. Lee 1934-8-9 1014 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
  CAS-BOT-BC56358  Kalmia microphylla subsp. microphylla W. B. C. 1938-7-21 11296 Siskiyou Panther Creek Heather Meadow. Hudsonian. 2286 Comment
  SEINET7269996  Kalmia microphylla subsp. microphylla W. Roderick 1967-7-28 s.n. Siskiyou Panther Meadow, Mt. Shasta 2377 Comment
  SFV17491  Keckiella corymbosa P. Wilson 1998-7-25 3549 Siskiyou Highway 96 west of Happy Camp. Mile marker 35.50. 400 Comment
  RSA293293  Keckiella lemmonii D. C. Michener 1980-8-3 3773 Siskiyou Klamath Mtns. Along the Klamath River and CA 96, 8.2 miles east of Happy Camp. 400 Comment
  JEPS12483  Kelloggia galioides Geo. D. Butler May 1908 415 Siskiyou Cold Spring Camp; Wooley Creek 1676 Comment
  UC1023831  Kelloggia galioides Douglas Barbe 1955-7-26 289 Siskiyou w of Scott Mt. summit 2042 Comment
  UC164422  Kelloggia galioides Geo. D. Butler 1910-7-3 1631 Siskiyou Goosenest foothills 1219 Comment
  UC61037  Kelloggia galioides W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson; Mount Shasta Comment
  RSA0087948  Kopsiopsis strobilacea Marion Ownbey, Fred G. Meyer 1940-7-7 2220 Siskiyou Summit of Cayenne Ridge, Marble Mountain. Comment
  UC89377  Kyhosia bolanderi Brandegee July 1887 Siskiyou Sisson's Comment
  CAS-BOT-BC340419  Lactuca canadensis Alice Eastwood 1917-9-2 6695 Siskiyou Shasta Springs Comment
  RSA190722  Lactuca tatarica var. pulchella T. C. Fuller 1967-8-15 16260 Siskiyou 4 mile NE of Macdoel. Comment
  CAS-BOT-BC341697  Lagophylla ramosissima K. L. Chambers 1967-6-22 2851 Siskiyou Siskiyou Mountains. Knoll about 500 ft. above and east of the freeway (Hwy. 5) at the Hilts exit, Siskiyou Pass 1005 Comment
  JEPS38986  Lagophylla ramosissima W. L. Jepson 1940-6-22 19968 Siskiyou Hutton Creek 792 Comment
  SDSU4203  Lathyrus nevadensis var. nevadensis D. F. Howe 1972-7-5 4874 Siskiyou 0.6 miles south of Oregon state line on road to Happy Camp. Comment
  UCD106398  Lathyrus nevadensis var. nevadensis Freed W. Hoffman 1948-7-9 2567 Siskiyou 6.5 miles north of West Branch Public Camp, Waldo-Happy Camp Road. Comment
  RSA121789  Layia glandulosa subsp. glandulosa M. H. Mitchell 1936-5-8 9 Siskiyou 0.5 mile SSW of Hospital Rock. Modoc Lava Beds National Monument. 1242 Comment
  UCR131600  Leersia oryzoides L. C. Wheeler 1934-9-16 3270 Siskiyou Siskiyou Mtns., Walker, Klamath River 518 Comment
  NY76370  Lepidium montanum var. montanum A. Wood 1866-1 984 Siskiyou Shasta Plains, North of Mt. Shasta, 25 m from Yreka Comment
  UCD115850  Lepidium perfoliatum P. Quentin Tomich 1954-6-26 429 Siskiyou Symbol Bridge, Lava Beds National Monument. 1432 Comment
  POM229951  Leptosiphon bolanderi L. C. Wheeler 1935-5-4 3455 Siskiyou Siskiyou Mts. 854 Comment
  HSC45976  Leptosiphon rattanii J. P. Smith 1973-5-5 6556 Siskiyou Scott Bar along the Scott River Comment
  CHSC79465  Lessingia nemaclada G. F. Hrusa 1997-9-18 14103 Siskiyou Near roadside, at intersection of Hwy 3 and Callahan/ Gazelle Rd. 1000 Comment
  JEPS20614  Lessingia nemaclada Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sims Region of the Upper Sacramento Comment
  JEPS20657  Lessingia nemaclada Geo. D. Butler 1908-8-30 342 Siskiyou near Fort Jones Comment
  RSA68902  Leucophysalis nana A. E. Culbertson 1943-7-24 55 Siskiyou Castle Lake, 5434', in a N facing cirque with an abrupt 1000' backwall. 14 miles SW of Mt. Shasta on N side of a 6000' eastern spur of Trinity Mtns. 2000' above Sacramento River within 10 air miles of its headwaters to the W. Comment
  CHSC96022  Leucothoe davisiae L. P. Janeway 2006-7-4 8787 Siskiyou Klamath Ranges. Scott Mountains; Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  CAS-BOT-BC229451  Lewisia cotyledon Stuart K. Harris 1960-6-28 21601 Siskiyou Outlet Taylor Lake Comment
  UC922366  Lewisia cotyledon var. cotyledon Annie M. Alexander and Louise Kellogg 1949-7-20 5816 Siskiyou Paradise Lake Marble Mountains, Paradise Lake 1920 Comment
  HSC82171  Lewisia cotyledon var. cotyledon T. Jimerson 1985-7-13 Siskiyou Around Devil's Punchbowl 1677 Comment
  SJSU2553  Lewisia nevadensis H. L. Buckalew 1962-7-9 Siskiyou Poker Flat c. 3 mi W of junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts 1082 Comment
  JEPS73740  Leymus triticoides George D. Butler 1908-7-3 472 Siskiyou Butler's Ranch near Yreka; Butler's Ranch Comment
  JEPS84045  Ligusticum grayi L. R. Heckard with J. Hickman et al. 1986-7-17 6537 Siskiyou Road end area and camp overlooking S end of Alex Hole, SE of Condrey Mt. Comment
  HSC66238  Lilium bolanderi Maralyn A. Renner 1980-9-1 2736 Siskiyou Trail from Doe Flat to Trout Camp 1098 Comment
  RSA211340  Lilium kelleyanum William J. Ferlatte 1966-8-3 280 Siskiyou Josephine Lake basin. Trinity Alps. 1677 Comment
  CAS-BOT-BC509364  Lilium kelleyanum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 7 Siskiyou On bottom of canyon and along banks of Cow Creek about 10 miles NE of Sawyer's Bar, on road to Etna. 975 Comment
  CAS-BOT-BC509377  Lilium kelleyanum John Thomas Howell 1939-8-3 14949 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  SEINET10469573  Lilium kelleyanum Mary Susan Taylor 1980-7-8 Taylor 3099 Siskiyou T39N R5W ne sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on NW side of Castle Lake, along edge of lake. 1615 Comment
  SEINET8480721  Lilium pardalinum W. Roderick 1967-7-28 s.n. Siskiyou Center of town of Mt. Shasta, between the old highway and the railroad. Comment
  HSC96874  Lilium pardalinum subsp. shastense Gordon Leppig, J. Cromwell 1997-7-25 581 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake 2200 Comment
  CAS-BOT-BC133028  Lilium washingtonianum subsp. purpurascens Wayne Roderick 1967-7-23 s.n. Siskiyou Between Lily Pad Lake and Cook & Grass Pass 1676 Comment
  UC164043  Lilium washingtonianum subsp. purpurascens Geo. D. Butler 1908-7-12 1113 Siskiyou Humbug Mountain Comment
  JEPS58267  Linanthus bolanderi Geo. D. Butler 1909-4-26 621 Siskiyou Oro Fino Comment
  UC1286472  Linanthus ciliatus W. B. and V. G. Cooke 1965-7-12 35179 Siskiyou Bolam Road Mt. Shasta Comment
  JEPS58437  Linanthus harknessii W. L. Jepson 1940-7-3 20115 Siskiyou about 5 mi se Bartle; Big Bear Flat 1219 Comment
  CAS-BOT-BC509126  Linanthus pungens Dana York 2011-8-13 3066 Siskiyou Klamath National Forest, Marble Mountain Wildernesss, summit of Black Marble Mountain 2268 Comment
  UCD77820  Linanthus pungens Robert E. Preston 2003-7-29 2171 Siskiyou Rainbow Mountain and Vicinity. Summit of Rainbow Mountain. 2323 Comment
  CDA6303  Linaria genistifolia subsp. dalmatica T. C. Fuller 1962-5-17 8736 Siskiyou East side of Highway 99, across from Pinehurst Motel, south limits of Weed. 0 Comment
  HSC69325  Linnaea borealis subsp. longiflora John Palmer 1980-8-12 733 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  CHSC191  Linnaea borealis var. longiflora V. Holt 1932-6-29 Siskiyou Castle Lake Comment
  CHSC96621  Listera banksiana L. P. Janeway 2006-7-1 8724 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow, north side of South Fork Salmon River. 1579 Comment
  CAS-BOT-BC36545  Lithocarpus densiflorus var. echinoides Geo. B. Grant 1902-9-15 s.n. Siskiyou Shasta Springs Comment
  RSA697651  Lithocarpus densiflorus var. echinoides Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mnts. 1006 Comment
  RSA96939  Lithocarpus densiflorus var. echinoides Percy C. Everett, E. K. Balls 1954-10-10 20261 Siskiyou Hwy 89, 6.8 mi. w. of McCloud on road to the town of Mt. Shasta. 1174 Comment
  RSA468241  Lithophragma affine subsp. affine M. B. Dunkle 1944-7-1 9057 Siskiyou Smoky Creek. Comment
  CAS-BOT-BC435478  Lithophragma glabrum Grace Wood 1919-4-1 s.n. Siskiyou Yreka Comment
  JEPS82462  Lithophragma heterophyllum Gilbert Muth 1966-7-14 385 Siskiyou Marble Gap Trail slopes above Marble Valley (Marble Mt. Wilderness Area); , slopes above Marble Valley 1813 Comment
  JEPS47483  Lithophragma parviflorum Geo. D. Butler 1909-5-1 687 Siskiyou Klamath Hills Comment
  CAS-BOT-BC317334  Lithospermum californicum L. E. Smith 1913-6-12 362 Siskiyou Sissons Comment
  UCSB13237  Lithospermum californicum Breedlove, Dennis 1962-6-10 Siskiyou Along Indian Creek Road; 15.6 miles northwest of Happy Camp; Siskiyou Mountains 975 Comment
  HSC82205  Lithospermum ruderale Thomas W. Nelson, Jane P. Nelson 1980-7-5 5970 Siskiyou Fowler's Campground 1006 Comment
  UC643294  Lithospermum ruderale W. Bridge Cooke 1940-6-4 15004 Siskiyou <along logging road leading up from Bolam Station> Bolam Station; Mount Shasta 1371 Comment
  SEINET7073519  Lomatium congdonii A. G. Vestal 1963-6-1 s.n. Siskiyou Southeast rim of Shasta Valley. About 0.2 mile northwest of Route 97 on the road to Dwinnell Reservoir (Lake Shastina). UTM Zone 10, 551439mN, 4588002mN. Coordinate datum: NAD27. Comment
  UC1037451  Lomatium macrocarpum Milo S. Baker 1955-6-25 13070 Siskiyou Hwy. 99 2 mi. s. Gazelle 914 Comment
  UC337571  Lomatium macrocarpum unknown 1889-6-27 Siskiyou near Shasta Comment
  UC1211914  Lomatium nudicaule Roy L. Taylor 1960-6-12 4439 Siskiyou N of Yreka (above Klamath River; 1 mi W of junction of Klamath River Rd (Hwy 96) and Hwy 99) Comment
  RSA452584  Lomatium nudicaule L. C. Wheeler 1935-6-29 3623 Siskiyou Yreka 808 Comment
  UC1552566  Lomatium peckianum Joe Molter and Sandy Maurer 1988-6-3 Siskiyou ca 3 mi s Hornbrook (on e side of Klamath River); e side of Klamath River 800 Comment
  JEPS101783  Lomatium vaginatum Dean W. Taylor 1999-6-9 17239 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  JEPS25640  Lonicera conjugialis Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7279 Siskiyou Poker Flat 1536 Comment
  JEPS74560  Lonicera conjugialis W. J. Ferlatte 1966-7-7 191 Siskiyou Caribou Basin Trinity Alps 1981 Comment
  CAS-BOT-BC240639  Lonicera hispidula P. C. Everett; E. K. Balls 1959-10-24 23943 Siskiyou 3 mi. sw. from Red Bank F.S. Camp along road from Sawyers Bar to Somesbar [Somes Bar] 518 Comment
  CAS-BOT-BC243923  Lonicera involucrata var. involucrata Geo. D. Butler 1910-7-9 1700 Siskiyou Margin of Shackleford Creek 1219 Comment
  CAS-BOT-BC200967  Lotus Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  JEPS100701  Lotus nevadensis var. nevadensis Dean Wm. Taylor with Glenn Clifton 1990-6-12 10874 Siskiyou Adobe Flat Reservoir, ca. 5 miles N of Timbered Crater, 1075 Comment
  JEPS55546  Lotus nevadensis var. nevadensis Geo. D. Butler 1908-6-28 392 Siskiyou Yreka Comment
  RSA105411  Lotus oblongifolius var. nevadensis G. D. Barbe 1955-6-29 048 Siskiyou 1.8 miles E of Callahan, S bank of Scott River 976 Comment
  UC454686  Lotus oblongifolius var. oblongifolius I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1828 Comment
  UC637133  Lotus oblongifolius var. oblongifolius Annetta Carter 1934-8-13 703 Siskiyou Happy Camp to Waldo (Oregon road, watershed of West Branch of Indian Creek); Klamath National Forest, West Branch of Indian Creek 1371 Comment
  UC1408891  Lotus pinnatus F. W. Oettinger 1969-8-12 1342 Siskiyou Abbotts Lower Cabin Salmon Mountains 1188 Comment
  UC163677  Lotus purshianus var. purshianus Geo. D. Butler 1908-7-5 390 Siskiyou near Yreka Comment
  HSC666  Lotus unifoliolatus var. unifoliolatus William J. Ferlatte 1967-7-9 682 Siskiyou Kidd Creek Trail 1768 Comment
  SEINET5766232 Image available Lupinus E. B. Copeland 1903-1 3887 Siskiyou Sisson [Mount Shasta] Comment
  UC1017669  Lupinus Marion Ownbey, Ruth P. Ownbey 1938-7-20 1763 Siskiyou near Dry Lake Lookout (summit of the Siskiyou Mountains); , near Dry Lake Lookout Comment
  SBBG3502  Lupinus albicaulis H. and M. Dearing 1939-6-19 3680 Siskiyou high up French Crk 914 Comment
  HSC32762  Lupinus albicaulis Frederick W. Oettinger 1969-8-19 1462 Siskiyou Marble Mtn. Wilderness Area, Abbott's Lake. 1860 Comment
  HSC608  Lupinus albicaulis William J. Ferlatte 1967-7-26 760 Siskiyou NW side of Caribou Mtn., Browns Meadow. 1829 Comment
  UCD105846  Lupinus albicaulis Rimo Bacigalupi; George Bacigalupi Jr. 1959-6-30 7182 Siskiyou southwest of Mt. Shasta (town). 1036 Comment
  CAS-BOT-BC8289  Lupinus albicaulis subsp. shastensis Amos Arthur Heller 1905-6-13 8024 Siskiyou Near Shasta Springs Comment
  UC1045291  Lupinus albicaulis var. shastensis W. Bridge Cooke 1940-6-7 15108 Siskiyou along the Pacific Highway near Black Butte; near Black Butte Comment
  SEINET10484530  Lupinus albicaulis var. shastensis Emmel 1974-7-20 EMMEL 519 Siskiyou Slope 0.6 air miles ese of dry lake lookout, along road between dry lake Lookout and deer camp, siskiyou mountains. T47n,r9w,sec.19 se 1/4. Montane Conifer forest. In open areas of recently logged forest. Perennial. 2.5 Ft High. 2.5 Ft wide. Abundant. Plebejus icarioides ssp & lycaeides argyrognomon Ricei adults closely associated with this plant (lepidoptera; lycaenidae) 1890 Comment
  UC640281  Lupinus albifrons H. and M. Dearing 1939-6-4 3544 Siskiyou Fort Jones Comment
  SEINET10874219  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
  RSA11948  Lupinus angustiflorus Elmer I. Applegate 1923-8-18 3877 Siskiyou Redshale Mountain, east side of Medicine Lake. Comment
  HSC43859  Lupinus bicolor Maralyn O'Meara 1974-5-25 369 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  UC796571  Lupinus bicolor Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11727 Siskiyou French Creek Logging Road w Callahan; French Creek Logging Road 1066 Comment
  SEINET7042784 Image available Lupinus bicolor A. G. Vestal 1955-5-17 s.n. Siskiyou Scott Valley, 0.8 mile north of Etna on route 3. Etna quadrangle UTM Zone 10, 508563mE, 4590750mN. Comment
  HSC472  Lupinus croceus William J. Ferlatte 1966-8-4 297 Siskiyou Yellow Rose Mine 1982 Comment
  CAS-BOT-BC215103  Lupinus croceus Mrs. H. C. Cantelow 1936-5-21 s.n. Siskiyou 4 miles above Callahan, N slope of Scott Mountain 1158 Comment
  SEINET10838198  Lupinus klamathensis Charles Piper Smith 1947-5-13 Smith 47279 Siskiyou Weed. Roadside. Hwy 99, s side. Comment
  SEINET12902682 Image available Lupinus lapidicola A. A. Heller 1920-1 13422 Siskiyou easterly slope of Mt. Eddy in gravel at the lakelet above the head of Wagon creek. 2438 Comment
  CAS-BOT-BC202057  Lupinus lapidicola Marck Menke 1999-7-9 65 Siskiyou Klamath Nat. Forest, Bee Camp 1767 Comment
  HSC32770  Lupinus latifolius subsp. viridifolius Frederick W. Oettinger 1968-9-7 768 Siskiyou Marble Mtn. Wilderness Area, around Tobacco Lake 1890 Comment
  UCD108204  Lupinus latifolius var. latifolius J. M. Tucker 1974-7-28 4325 Siskiyou adjacent to camp at Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  CAS-BOT-BC7547  Lupinus latifolius var. viridifolius Amos Arthur Heller 1905-6-1 7928 Siskiyou Between Dunsmuir and Upper Soda Spring Comment
  RSA0064514  Lupinus leucophyllus Daisie Huang 2006-8-4 06080403 Siskiyou Klamath River Highway, west of I-5. 491 Comment
  UC1401211  Lupinus luteolus K. Morris, LeDoux and Dunn 1973-6-2 337 Siskiyou on Hornbrook to Montague road about 1 mi se Hornbrook; se of Hornbrook Comment
  RSA60652  Lupinus luteolus Dorothy Parker 1948-6-11 104 Siskiyou Near Bogus 1067 Comment
  CHSC26174  Lupinus obtusilobus J. P. Kroessig 1977-8-5 57 Siskiyou Panther Meadow on Mt. Shasta, n end of Everitt Memorial Hwy., ca. 6 km s of Mt. Shasta Peak. 2285 Comment
  RSA32811  Lupinus obtusilobus A. A. Heller 15765 Siskiyou About Horse Camp, Mt. Shasta. 2439 Comment
  RSA109355  Lupinus onustus A. A. Heller 1905-6-15 8037 Siskiyou Near Sisson 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
  SEINET10490188  Lupinus polyphyllus var. grandifolius Katherine L. Morris 1973-6-2 Morris 371 Siskiyou Found in the ditch along roadside of hwy. 3 In scot river valley. Comment
  SD113682  Lupinus sellulus Darley F. Howe 1964-8-4 3929 Siskiyou Near Medicine Lake, Modoc National Forest. 2012 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
  HSC92406  Lupinus sellulus subsp. ursinus Jennifer Whipple 1976-7-9 1395 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2226 Comment
  RSA50195  Lupinus sellulus var. artulus E. K. Balls 1949-7-8 13909 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mt. 1753 Comment
  RSA105452  Lupinus sellulus var. lobbii Milo S. Baker 1955-6-28 13091 Siskiyou Highway 99, road band S of Weed. 1067 Comment
  UCD77848  Luzula divaricata Robert E. Preston 2001-6-23 1593 b Siskiyou Klamath National Forest, e ridge of Rainbow Mtn, 2072 Comment
  CAS-BOT-BC499138  Luzula macrantha Peter F. Zika 2012-5-18 25885 Siskiyou Near entrance to Castle Crags State Park, above Castle Creek, Castella, 3 ir km SSE of Castle Dome 640 Comment
  RSA0015990  Lythrum californicum Louis C. Wheeler 1934-10-11 3316 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mountains. 671 Comment
  RSA142624  Machaeranthera canescens var. shastensis P. A. Munz 1960-8-22 24183 Siskiyou Panther Meadows, Mt. Shasta 2530 Comment
  UC89538  Madia citriodora K. Brandegee July 1887 Siskiyou Ager Klamath River, Ager Comment
  CAS-BOT-BC344001  Madia elegans Alice Eastwood 1922-10-18 11532 Siskiyou Shasta Springs Comment
  CAS-BOT-BC344004  Madia elegans Geo. D. Butler 1910-5-27 1413 Siskiyou Near Yreka Comment
  CAS-BOT-BC344015  Madia elegans Lewis S. Rose 1937-7-3 37394 Siskiyou Weed 944 Comment
  CAS-BOT-BC344016  Madia elegans Carl B. Wolf 1927-8-26 1052 Siskiyou On the Klamath River, 3 mi. below Gottville Comment
  SD101077  Madia elegans Darley F. Howe 1977-1 Siskiyou 7.7 miles south of Etna 1000 Comment
  RSA123557  Madia elegans subsp. elegans G. D. Barbe 1955-7-7 141 Siskiyou East side of Forest Camp. Etna. 884 Comment
  UCR66731  Madia exigua L. C. Wheeler 1934-6-2 02607 Siskiyou Siskiyou Mtns, Oak knoll ranger station, Klamath River 671 Comment
  HSC36762  Madia gracilis J. P. Smith 1974-5-25 7410 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  POM362187  Madia gracilis subsp. gracilis M. B. Dunkle 1944-7-15 9092 Siskiyou Siskiyou National Forest. Coastal northern California. 1768 Comment
  RSA237501  Madia gracilis subsp. gracilis Frederick W. Oettinger 1969-8-18 1433 Siskiyou Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  RSA15597  Mahonia aquifolium C. B. Wolf 1927-8-27 1110 Siskiyou Happy Camp, Klamath River. Comment
  RSA12612  Mahonia aquifolium C. B. Wolf 1934-7-5 5973 Siskiyou 7 mi. from Oak Knoll R. S. on Klamath River, on rd. to Dry Lake Lookout, Siskiyou Mts. 1372 Comment
  POM97711  Mahonia nervosa Geo. D. Butler 1910-5-5 1287 .5 Siskiyou Humbug Mountain. Comment
  UC1714366  Marrubium vulgare W. Bridge Cooke 1940-8-2 15392 Siskiyou Wagon Camp road above Howard (Mount Shasta); Mount Shasta Comment
  POM211273  Marsilea vestita L. C. Wheeler 1934-10-14 3323 Siskiyou Siskiyou Mountains; Shasta River 2 miles below Yreka Creek. Mt. Diablo Meridian 671 Comment
  CHSC88106  Matricaria discoidea Jenny Marr 1993-7-1 116 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UCD78181  Medicago lupulina Robert E. Preston 2008-5-15 2632 b Siskiyou Ca. 3.25 mi N of Somes Bar, along Hwy 96 256 Comment
  UC165788  Melica aristata Geo. D. Butler 1909-7-15 811 Siskiyou Russian Creek 1828 Comment
  SEINET10599300  Melica aristata A. Arthur Heller 1921-7-5 Heller 13563 Siskiyou Sandy soil about shrubs near the State Teachers College grounds, near the town of Mt. Shasta. Yellow pine belt. Comment
  SEINET192916 Image available Melica californica L. Constance, RC Rollins 1942-5-14 2934 Siskiyou Shasta River 6 mi N of Yreka Klamath-Siskiyou Region 762 Comment
  HSC92631  Melica stricta Jennifer Whipple 1976-7-8 1362 Siskiyou N to NE facing steep granite bluff with scree. 2317 Comment
  HSC15008  Melilotus albus D. M. Thomson 1965-7-1 121 Siskiyou Lava Beds National Monument, Cave Loop Dr., near hdq. parking lot Comment
  JEPS100299  Melilotus indicus Dean W. Taylor 2001-8-28 17907 Siskiyou 12 air mi NE of McCloud (Ash Creek Butte, western base of); Mount Shasta, upper Sacramento River watershed 1767 Comment
  CHSC88103  Mentha canadensis Jenny Marr 1993-7-1 113 Siskiyou Butte Valley Wildlife Area, +- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CHSC32900  Mentha spicata J. P. Smith; Steve Selva 1970-7-17 4439 Siskiyou Roadside and stream bank in farming area. 914 Comment
  JEPS63435  Mentha spicata Geo. D. Butler 1908-7-17 178 Siskiyou Butler's Ranch Yreka (Yreka) Comment
  UCD18334  Mentzelia laevicaulis F. G. Parsons 1946-7-26 s.n. Siskiyou Scott Mountain. Comment
  CAS-BOT-BC428543  Micranthes aprica Stuart K. Harris 1960-6-28 21595 Siskiyou Vicinity Taylor Lake Comment
  CAS-BOT-BC322665  Microseris laciniata J. W. Congdon 1900-8-9 s.n. Siskiyou Sisson Comment
  UC2015375  Microseris laciniata subsp. siskiyouensis K. L. Chambers 1964-7-10 2242 Siskiyou Hwy. 199, 5.0 mi by road up the Smith River from Patricks Creek Guard Staation. Comment
  RSA237492  Microseris nutans Frederick W. Oettinger 1969-7-11 966 Siskiyou Southeast-facing slope on English Lake trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 1829 Comment
  CHSC88125  Microsteris gracilis Jenny Marr 1993-7-1 135 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC61900  Microsteris gracilis Ruby Van Deventer 1959-7-7 Siskiyou Poker Flat 1585 Comment
  UC1034025  Mimulus breweri Francis W. Pennell 1940-7-19 26197 Siskiyou Ashy meadow Mount Shasta 1981 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
  RSA447943  Mimulus guttatus M. B. Dunkle 1945-1 9293 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  RSA447946  Mimulus guttatus M. B. Dunkle 1944-6-25 9005 Siskiyou Siskiyou National Forest. 1677 Comment
  UC1112264  Mimulus layneae R. C. Bacigalupi with S. Galen Smith 1957-6-25 5929 Siskiyou s Weed (just w of Black Butte railroad junction) Comment
  HSC99273  Mimulus layneae D. M. Thompson 1989-6-29 1023 Siskiyou Near Black Butte, mid-way between Mt. Shasta city and Weed. 1.2 mi. N of I-5 interchange along N part of Truck Village Dr. (E side of I-5) 1201 Comment
  POM252819  Mimulus layneae A. A. Heller 1938-7-12 15248 Siskiyou 5 miles north of Weed on US Hwy no. 97. 1067 Comment
  UCR137198  Mimulus lewisii M. B. Dunkle 1945-7-12 9204 Siskiyou Marble Mtns., Klamath National Forest, Marble Valley Summit Trail 2134 Comment
  HSC29405  Mimulus moschatus Frederick W. Oettinger 1968-8-11 478 Siskiyou High Lake Basins: just below spring at Tom Taylor Cabin 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
  HSC90991  Mimulus nanus Jennifer Whipple 1976-8-20 1716 Siskiyou S face of Mt. Eddy draining into the N Fork of the Sacramento River 2470 Comment
  HSC22474  Mimulus primuloides J. O. Sawyer 1969-7-11 1337 Siskiyou S Sugar Creek 1829 Comment
  UC1409385  Mimulus primuloides Frederick W. Oettinger 1968-8-13 520 Siskiyou near Tom's Lake (Bear Meadow, High Lake Basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2179 Comment
  HSC26935  Mimulus tilingii J. P. Smith, J. O. Sawyer 1971-9-18 4829 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  HSC68551  Minuartia douglasii Maralyn A. Renner 1980-6-8 801 Siskiyou Slopes E of Hwy. 3 1341 Comment
  UC1213802  Minuartia douglasii Jean Langenheim 1957-5-19 4347 Siskiyou intersection of Miner's Creek Rd and Tiger Creek Road Comment
  RSA120887  Minuartia douglasii Milo S. Baker 1957-6-16 13165 Siskiyou Trip to Scott Mt. after turn off near Callahan. Comment
  CAS-BOT-BC174729  Minuartia nuttallii Louis C. Wheeler 1934-6-29 2828 Siskiyou Klamath National Forest. Soda Creek 1066 Comment
  JEPS111028  Minuartia nuttallii subsp. gregaria Sue Pappalardo 1997-8-9 974 Siskiyou Mt. Shasta Ranger District; Mt. Eddy. On trail to summit, about halfway from saddle to summit. 2740 Comment
  JEPS51480  Minuartia nuttallii subsp. gregaria W. L. Jepson Jul 17 1902-Jul 22 1902 2065 Siskiyou Devil's Backbone; w Siskiyou 1828 Comment
  JEPS74474  Minuartia nuttallii subsp. gregaria W. J. Ferlatte 1966-8-4 304 Siskiyou Dorleska summit Trinity Alps 2133 Comment
  CAS-BOT-BC94471  Minuartia nuttallii subsp. nuttallii R. C. Wenk 2005-7-19 336 Siskiyou Along Pacific Crest Trail, near top of pass below Mt. Eddy 2438 Comment
  POM229186  Mirabilis greenei Louis C. Wheeler 1935-7-17 3667 Siskiyou Scott Valley, near Fort Jones, Mouth Indian Creek 854 Comment
  RSA600376  Mirabilis greenei Louis C. Wheeler 1935-7-17 3667 Siskiyou Scott Valley, near Fort Jones, Mouth Indian Creek 854 Comment
  HSC682  Mitella pentandra William J. Ferlatte 1967-8-20 1062 Siskiyou Caribou Basin 2226 Comment
  HSC22249  Monardella glauca J. O. Sawyer 1969-8-2 1713 Siskiyou Summit W of Little Duck Lake 2409 Comment
  CHSC9489  Monardella odoratissima J. F. Goodwin 1971-7-3 135 Siskiyou 5.4 mi. south of Mt. Shasta Ski Bowl area. 1798 Comment
  HSC69342  Monardella odoratissima Maralyn A. Renner 1980-8-21 2540 Siskiyou Kidd Creek 2043 Comment
  IRVC16377  Monardella odoratissima Jerry A. Powell 1974-6-13 1158 Siskiyou Ash Creek Ranger Station. Sierra Mountains Comment
  UC2035947  Monardella odoratissima subsp. glauca C. Epling 1938-6-13 Siskiyou Near Weed Comment
  UC61653  Monardella odoratissima subsp. glauca Geo. B. Grant September 1902 5131 Siskiyou Horse Camp Mount Shasta 2438 Comment
  JEPS94392  Monardella odoratissima subsp. pallida Vernon Oswald and Lowell Ahart 1997-7-28 8781 Siskiyou Forest Route 56 (42N56) 3.7 mi east of Forest Route 49 (edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave); Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave 1755 Comment
  CAS-BOT-BC222168  Monardella odoratissima subsp. pallida Gilbert Muth 1965-8-3 s.n. Siskiyou Marble Valley 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
  UC1299605  Monardella odoratissima subsp. pallida Freed W. Hoffman 1950-7-14 3619 Siskiyou Clear Creek trail North Coast Ranges, Baldy Mountain Comment
  CAS-BOT-BC26176  Monardella ovata H. E. Brown 1897-6-1 381 Siskiyou near Sisson 1082 Comment
  JEPS73668  Monardella siskiyouensis W. L. Jepson 1940-6-22 19974 Siskiyou near Hornbrook; Klamath River 670 Comment
  RSA0022799  Monardella villosa Clare B. Hardham 1965-8-17 13070 Siskiyou 4-5 miles southwest of Klamath River. Orleans - Eureka road. Comment
  JEPS14831  Monotropa hypopitys Ranger Morgan Aug. 1913 Siskiyou Happy Camp Klamath Forest Comment
  CAS-BOT-BC453476  Monotropa hypopitys Elmer I. Applegate 1923-8-18 3855 Siskiyou West slope of Redshale Mountain, east of Medicine Lake 2133 Comment
  RSA697550  Monotropa hypopitys Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mtns. 915 Comment
  RSA8239  Monotropa hypopitys Elmer I. Applegate 1923-8-18 3855 Siskiyou West slope of Redshale Mountain east of Medicine Lake. 2134 Comment
  HSC33978  Montia chamissoi J. P. Smith 1974-5-25 7469 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  UC1101399  Montia fontana Herbert L. Mason 1948-7-18 13625 Siskiyou Grass Lake Comment
  HSC29455  Montia parvifolia Frederick W. Oettinger 1968-9-1 640 Siskiyou Marble Mtn. Wilderness Area, base of precipice S of Abbott's Lake 1799 Comment
  CHSC63526  Muhlenbergia andina Vernon H. Oswald; Lowell Ahart 1994-8-1 6415 Siskiyou Forest Rd. 26 paralleling the South Fork of the Sacramento River, 1.5 mi E of Forest Rd. 40N43, 7.8 mi SW of the dam at Lake Siskiyou. On a roadcut. 1341 Comment
  SEINET7296346 Image available Muhlenbergia andina Beecher Crampton 1956-1 3837 Siskiyou Boulder strewn, wet banks of a mountain stream, lower slopes of White Ridge, canyon of the south fork of the Sacramento River. 1372 Comment
  HSC30608  Muhlenbergia filiformis Frederick W. Oettinger 1969-9-1 1575 Siskiyou Margin of Katherine Lake, Salmon Mountains. 2027 Comment
  UCD86715  Muhlenbergia filiformis R. Tofsrud 1950-7-1 s.n. Siskiyou E. side of Mt. Shasta. Comment
  UC165758  Myosurus minimus Geo. D. Butler 1909-4-4 551 Siskiyou ne corner Yreka (Block 5) Comment
  UC455933  Nama lobbii I. J. Condit 1911-7-28 Siskiyou Shasta Retreat Castle Lake to Mt. Bradley (Castle Lake to Mt. Bradley) 1981 Comment
  UC1495355  Narthecium californicum Robert T. Clausen and Harold Trapido 1940-7-26 4955 Siskiyou Wagon Camp, Mt. Shasta S. Cascade Mts., Sacramento R. Basin, Mt. Shasta, Wagon Camp 1737 Comment
  CAS-BOT-BC516027  Narthecium californicum W. R. Dudley 1905-8-4 s.n. Siskiyou Trail to Mount Eddy Comment
  HSC564  Narthecium californicum William J. Ferlatte 1967-6-27 530 Siskiyou Big Flat, between campground and S Fork of the Salmon River 1524 Comment
  JEPS84254  Navarretia capillaris L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6368 Siskiyou ca 1/2 mi e Red Butte Summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass); nne of Seiad Valley, w of Cook and Green Pass, e of Red Butt 1900 Comment
  UC221639  Navarretia divaricata H. E. Brown Jul 15-31 1897 Siskiyou Mt. Shasta, S side 1524 Comment
  CAS-BOT-BC219532  Nemophila parviflora J. H. Thomas 1954-5-13 4155 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Along Rush Creek, Southwestern Siskiyou County 1127 Comment
  SEINET4174316  Nitrophila occidentalis G. D. Butler 1910-8-21 1849 Siskiyou Shasta Valley Comment
  CAS-BOT-BC60575  Noccaea fendleri subsp. glauca A. A. Heller 1922-7-3 13677 Siskiyou Mount Eddy south of Wagon Creek. 2438 Comment
  CAS-BOT-BC60587  Noccaea fendleri subsp. glauca L. B. Kildale 1929-5-31 9154 Siskiyou Salmon River. Comment
  CAS-BOT-BC60594  Noccaea fendleri subsp. glauca C. L. Hitchcock; J. S. Martin 1939-7-7 5278 Siskiyou Whiskey Lake, 0.5 mile above Camp Chicago, on Sanger Peak Trail. 1463 Comment
  UC455517  Nothocalais alpestris I. J. Condit 1911-7-27 Siskiyou near Sisson; Castle Lake 1828 Comment
  HSC19125  Nothochelone nemorosa J. O. Sawyer 1969-8-18 1979 Siskiyou S of S Sugar Lake 2104 Comment
  HSC19328  Nothochelone nemorosa J. O. Sawyer 1969-8-4 1816 Siskiyou Above Sugar Lake 2134 Comment
  JEPS11223  Nothochelone nemorosa Joseph P. Tracy 1935-8-1 14420 Siskiyou 1 mi ne of Summit Mine (3 mi se of Salmon Summit, Head of Knownothing Creek); Knownothing Creek 1767 Comment
  RSA408399  Nothochelone nemorosa M. B. Dunkle 1945-8-7 9334 Siskiyou King's Castle. Klamath Nat'l Forest. Marble Mtns. Comment
  JEPS46108  Oemleria cerasiformis Duncan Dunning 1923-6-15 Siskiyou trail between Godfreys Ranch and Sawyers Bar (sw Siskiyou County) Comment
  UC1276071  Onopordum tauricum T. C. Fuller 1959-12-10 3324 Siskiyou just s of Sam's Neck; Fred Voelker ranch, Meiss Lake Basin, Dorris 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
  HSC71106  Oreostemma alpigenum var. andersonii Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4503 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  RSA0076584  Orobanche fasciculata Frederick W. Oettinger 1968-8-16 530 Siskiyou S-facing slope of Little Medicine Mountain near the open summit, due north of Hancock Lake. Comment
  CAS-BOT-BC500329  Orobanche uniflora subsp. occidentalis Gilbert J. Muth 1966-7-18 417 Siskiyou Marble Mountains: Marble Gap Trail, above Marble Valley 1828 Comment
  UC1400367  Orogenia fusiformis Frederick W. Oettinger 1969-7-13 999 Siskiyou campsite at n.e. corner Upper English Lake; Salmon Mts., High Lake Basins, English Peak vicinity, Marble 1767 Comment
  CAS-BOT-BC458089  Orthilia secunda A. A. Heller 1914-8-28 11743 Siskiyou Mt. Eddy, east side 1828 Comment
  CAS-BOT-BC458097  Orthilia secunda Edward Lee 1934-8-13 1087 Siskiyou Watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest 1463 Comment
  RSA237568  Orthocarpus cuspidatus subsp. copelandii Frederick W. Oettinger 1967-8-10 245 -b Siskiyou 1/8 mile southeast of Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  RSA259555  Orthocarpus cuspidatus subsp. copelandii J. P. Smith, J. O. Sawyer 1973-8-14 7298 Siskiyou On trail from Campbell Lake to Cliff Lake. 1829 Comment
  UC1333322  Orthocarpus cuspidatus subsp. copelandii Dorothy Parker 1949-7-4 225 Siskiyou near summit of Scott Mountain; near summit of Scott Mountain 1582 Comment
  RSA237406  Osmorhiza berteroi Frederick W. Oettinger 1968-8-23 622 Siskiyou West of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1784 Comment
  RSA459006  Osmorhiza berteroi M. B. Dunkle 1944-6-25 9008 Siskiyou Siskiyou National Forest. 1677 Comment
  UC1034599  Osmorhiza berteroi Douglas Barbe 1955-6-30 58 Siskiyou 0.7 mi nw Forest Glen; Klamath Mountains, Etna 944 Comment
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Jul 23 2013
  CAS-BOT-BC94408  Osmorhiza occidentalis R. C. Wenk 2005-7-15 212 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass, going N along ridge 2133 Comment
  HSC90557  Packera cana Jennifer Whipple 1976-7-7 1331 Siskiyou N slopes of Mt. Eddy. 2439 Comment
  UC53872  Packera cana H. M. Hall and E. B. Babcock June 1903 4095 Siskiyou near Sheep Rock; n side Mount Shasta 853 Comment
  UC585147  Packera cana E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1957 Siskiyou about 2 mi s Sheep Rock (on highway from Bray to Weed); n slope Mt. Shasta 1249 Comment
  CAS-BOT-BC334340  Packera macounii Freed W. Hoffman 1950-7-13 3496 Siskiyou Clear Creek trail, 1.0 mile W of Baldy Peak Comment
  SBBG2225  Paeonia brownii H. and M. Dearing 1938-6-29 2191 Siskiyou Mt Shasta 1828 Comment
  UC1234786  Paeonia brownii Peter H. Raven 1962-5-30 17993 Siskiyou US Hwy 97 8.3 mi n Weed Comment
  CAS-BOT-BC253768  Panicum capillare R. E. Frenkel 1964-10-2 880 Siskiyou On Everitt Memorial Highway 1.0 mile N of McCloud River RR crossing, near Mount Shasta 1219 Comment
  HSC2391  Parnassia fimbriata W. J. Ferlatte 1966-8-19 435 Siskiyou Trinity Alps, Kidd Creek Trail. 1890 Comment
  JEPS128826  Parnassia fimbriata Julie Kierstead Nelson with Martin Lenz 2017-10-3 2017 -057 Siskiyou Headwaters of West Fork Parks Creek, adjacent to Road 41N29Y, 2 miles NE of China Mountain, eastern Klamath Ranges. Comment
  CAS-BOT-BC202843  Paxistima myrsinites Doris K. Kildale 1928-7-4 5465 Siskiyou 3 miles west of summit on Sawyers Bar - Etna Mills road Comment
  CAS-BOT-BC202858  Paxistima myrsinites Doris K. Kildale 1929-7-20 8639 Siskiyou Trail up South Fork Indian Creek to Elk Lick Comment
  HSC33965  Paxistima myrsinites J. P. Smith 1974-5-25 7447 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  UC54486  Paxistima myrsinites H. M. Hall and E. B. Babcock June, 1903 4075 Siskiyou near Upton; Sierra Nevada Mts., Mt. Shasta 1219 Comment
  CAS-BOT-BC266641  Pedicularis bracteosa John Thomas Howell 1939-8-3 15010 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  CAS-BOT-BC266644  Pedicularis bracteosa var. flavida Lester Rowntree 1936-7-13 s.n. Siskiyou Granite Creek, Trinity Mountains 2133 Comment
  HSC29251  Pedicularis contorta Frederick W. Oettinger 1968-8-22 599 Siskiyou Marble Mtn. Wilderness Area, below Diamond Lake on way to English Peak 2226 Comment
  HSC688  Pedicularis contorta William J. Ferlatte 1967-8-20 1064 Siskiyou Caribou Basin 1982 Comment
  UC1190282  Pedicularis contorta Ira L. Wiggins 1955-7-27 13517 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area 2042 Comment
  UC1483475  Pedicularis howellii Maralyn A. Renner 1980-7-24 1944 Siskiyou above Lily Pad Lake (Pacific Crest Trail); Klamath National Forest 1798 Comment
  UC138962  Pedicularis racemosa Dr. E. B. Copeland 1903-8-17 3904 Siskiyou Mount Eddy; Pacific Coast 1463 Comment
  RSA239006  Pedicularis racemosa Frederick W. Oettinger 1966-8-7 49 Siskiyou Near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA425341  Pedicularis racemosa M. B. Dunkle 1944-7-18 9149 Siskiyou Siskiyou National Forest. Comment
  RSA686812  Pellaea brachyptera L. L. Kiefer 1963-8-9 721 Siskiyou West of town of Mount Shasta, county road off road to Castle Lake, between Wagon and Deer Creek bridges 1220 Comment
  UC705511  Pellaea brachyptera Marion Ownbey and D. H. Brown 1941-6-22 2424 Siskiyou nw of Yreka (w of Craggy Mt) Comment
  UCR208056  Pellaea brachyptera L. C. Wheeler 1934-8-30 3227 Siskiyou Siskiyou Mountains, Trapper Creek 1372 Comment
  POM211337  Pellaea brachyptera L. C. Wheeler 1934-8-15 3157 Siskiyou Siskiyou Mountains: East Fork Horse Creek. 1524 Comment
  UCD137694  Pellaea breweri John M. Tucker 1963-8-18 3760 Siskiyou Marble Mountain Wilderness Area, Black Marble Mountain. 2133 Comment
  JEPS82131  Penstemon anguineus Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7290 Siskiyou Poker Flat 1536 Comment
  JEPS83890  Penstemon anguineus Wayne Roderick July 1976 Siskiyou vicinity Cook and Green Pass; Siskiyou Mountains, vicin Cook and Green Pass Comment
  HSC63266  Penstemon anguineus M. A. Baker 1979-7-31 1088 Siskiyou Marble Mtn. Wilderness, Tickner Hole 2080 Comment
  UC722785  Penstemon anguineus C. L. Hitchcock, J. S. Martin 1939-7-6 5212 Siskiyou open hillside on Takilma-Happy Camp Road 1676 Comment
  NY571173  Penstemon azureus var. azureus C. L. Hitchcock 1939-7-6 5230 Siskiyou Peak above and north of Divide of Siskiyou Mountains, on Takilma-Happy Camp road. 1828.8 Comment
  NY583902  Penstemon cinicola E. I. Applegate 1923-8-18 3854 Siskiyou West base of Redshale Mountain, Medicine Lake 2133.6 Comment
  HSC60464  Penstemon davidsonii Carl Wishner 1978-7-19 548 Siskiyou Sandy Ridge trail 11W21 above Monument Lake, Marble Mtn. Wilderness 1768 Comment
  CAS-BOT-BC265376  Penstemon davidsonii var. davidsonii Marion Ownbey; Fred G. Meyer 1940-7-4 2185 Siskiyou On ridge above head of Brewer Creek, E side of Mount Shasta Comment
  NY590179  Penstemon davidsonii var. davidsonii M. S. Baker 06 1893 s.n. Siskiyou Medicine Lakes Comment
  NY591453  Penstemon davidsonii var. davidsonii L. C. Wheeler 1934-8-5 3044 Siskiyou Siskiyou Mountains, Condrey Mountain. 2164.1 Comment
  UC60947  Penstemon davidsonii var. davidsonii Geo. B. Grant Sep 1902 5095 Siskiyou Mount Shasta Comment
  UC618698  Penstemon davidsonii var. davidsonii W. Bridge Cooke 1938-8-18 11493 Siskiyou Horse Camp slopes Mount Shasta 2438 Comment
  HSC43259  Penstemon deustus K. Irwin 1977-5-22 382 Siskiyou On South Fork Salmon River Rd., 4 mi. E of Cecilville Comment
  SEINET12272193  Penstemon deustus Unknown 13310 Siskiyou near Hornbrook Comment
  RSA309613  Penstemon deustus subsp. deustus Walter Wisura 1983-9-16 3938 Siskiyou 5.9 mi W of western boundary of Lava Beds Nat'l Mon., along road to Tennant. Comment
  CHSC26190  Penstemon gracilentus J. P. Kroessing 1977-8-5 55 Siskiyou At Panther Meadow Campground, ca 14 km e on Everitt Memorial Hwy, and 6 km s of Mt Shasta Peak. 2270 Comment
  JEPS11272  Penstemon gracilentus W. L. Jepson 1940-6-23 20014 Siskiyou 2 mi se of Andesite (n of Mt. Shasta) 975 Comment
  NY600721  Penstemon gracilentus E. I. Applegate 1923-8-17 3831 Siskiyou About 10 miles northwest of Medicine Lake Comment
  UC1483496  Penstemon gracilentus J. Sawyer and J. Cole 1980-7-21 3882 Siskiyou near Haight Mtn. (along F.S. rd running ssw); Klamath National Forest, Bray Quad. 1938 Comment
  NY600698  Penstemon gracilentus K. A. Vincent 1987-6-28 4442 Siskiyou Cascade Range, Mt. Shasta; logged area in scrub flat on lava flow between Mt. Shasta and the Whaleback along Andesite - Military Pass Road, ca. 4.6 miles southeast of junction US 97 located 14.4 miles northeast of junction US 97 and I-5 Business Loop in 1554.5 Comment
  SEINET5328440 Image available Penstemon gracilentus K. Vincent, C. Labbe 1987-8-12 4512 Siskiyou Cascade Range, Butte Mtn., on logged edge of douglas fir forest along Butte Mtn. Rd. ca 3.6 mi W of jct. Meiss Lake Rd., located 7.2 mi W of jct. US 97 on S side of MacDoel, 1829 Comment
  SEINET5328460 Image available Penstemon gracilentus K. Vincent 1987-6-29 4444 Siskiyou Cascade Range, Butte Mtn.; on logged edge of douglas fir forest along Butte Mtn. Rd. ca 3.6 mi W of jct. Meiss Lake Rd., located 7.2 mi W of jct. US 97 on S side of MacDoel, 1829 Comment
  NY601594  Penstemon heterodoxus var. shastensis A. A. Heller 1938-7-13 15269 Siskiyou Along U.S. Highway 97, just south of Bray 1402.1 Comment
  HSC20972  Penstemon humilis subsp. humilis R. C. Wunner 1965-6-10 143 Siskiyou Lava Beds National Monument, Caldwell Butte above Caldwell Minor 1463 Comment
  NY603841  Penstemon humilis var. humilis D. D. Keck 1940-6-13 5174 Siskiyou 9 miles south of Macdoel, on U.S. 97 between Dorris and Weed. 1463.0 Comment
  SJSU6070  Penstemon humilis var. humilis R. W. Trivelpiece 1971-7-5 44 Siskiyou Little Shasta Cr c. 8 mi E of shasta Valley 1219 Comment
  HSC43836  Penstemon laetus subsp. laetus Maralyn O'Meara 1974-5-27 491 Siskiyou Along FS Rd. 47N03 1280 Comment
  RSA407901  Penstemon laetus subsp. sagittatus J. William Thompson 1936-7-8 13152 Siskiyou Lava slopes of Lava Beds Nat'l Monument. Comment
  RSA78839  Penstemon laetus subsp. sagittatus Philip A. Munz 1952-7-2 17917 Siskiyou Road to Baldy Mtn, ca 6 miles by air west of Happy Camp, Siskiyou Mtns. Comment
  CHSC83277  Penstemon laetus var. sagittatus L. P. Janeway 2002-7-13 7646 Siskiyou High Cascade Range. Along a logging spur road 0.2 km southeast of Road 13 (Pilgrim Creek Road) 9.0 km northeast of the Military Pass Road (Road 19); 0.2 km north of Edison Creek. 1347 Comment
  NY604562  Penstemon laetus var. sagittatus A. A. Heller 1920-7-9 13431 Siskiyou Near the summit of Mount Eddy 2590.8 Comment
  RSA25613  Penstemon laetus var. sagittatus Carl B. Wolf 1941-7-26 11078 Siskiyou SW end Little Shasta Valley, 12 mi NE of Weed on US Hwy 97 at jct with rd to Montague. 915 Comment
  SD113664  Penstemon laetus var. sagittatus Darley F. Howe 1977-7-5 5000 Siskiyou 15 miles southeast of Granada 1219 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
  POM44867  Penstemon laetus var. sagittatus Geo. D. Butler 1910-5-11 1338 Siskiyou Shasta Valley Comment
  RSA668197  Penstemon laetus var. sagittatus Karl Vincent, Charlotte A. Labbe 1987-8-12 4510 Siskiyou Cascade range, Mt Shasta; old roadbed in lava flow area along east side of US 97 ca 5.1 mi NE of jct I-5 Business Loop in Weed. 1159 Comment
  UCD69102  Penstemon laetus var. sagittatus D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-11 s.n. Siskiyou Siskiyou: Mount Shasta-Shasta Peak. J. Everitt Memorial Highway. White fir forests (Castanopsio sempervirentis-Abietetum lowianae Rivas-Martinez and Sanchez-Mata 1997). 1520 Comment
  SD53335  Penstemon newberryi Darley F. Howe 1962-8-6 3405 Siskiyou Mt. Shasta 2438 Comment
  CAS-BOT-BC239339  Penstemon newberryi var. berryi A. A. Heller 1905-6-16 8048 Siskiyou Near Sisson Comment
  JEPS74527  Penstemon newberryi var. berryi W. J. Ferlatte 1966-6-22 75 Siskiyou Josephine Lake Basin Trinity Alps 1676 Comment
  UC1034003  Penstemon newberryi var. berryi Francis W. Pennell 1940-7-17 21170 Siskiyou W of Etna; Salmon Mountains 1828 Comment
  NY627382  Penstemon newberryi var. newberryi R. W. Spellenberg 1965-6-20 1172 Siskiyou Black Butte Pass about 5 miles south of Weed 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
  UC61195  Penstemon newberryi var. newberryi W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson , Sisson (Mount Shasta) Comment
  CHSC96095  Penstemon parvulus L. P. Janeway 2006-7-4 8793 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  HSC29301  Penstemon parvulus Frederick W. Oettinger 1968-8-16 539 Siskiyou Marble Mtn. Wilderness Area, W side of Red Hill near Hancock Lake 2058 Comment
  POM257847  Penstemon parvulus C. Leo Hitchcock, J. S. Martin 1939-7-6 5230 Siskiyou Peak above and N of Divide of Siskiyou Mts, Takilma Happy Camp road. 1829 Comment
  HSC2403  Penstemon procerus var. brachyanthus William J. Ferlatte 1966-8-17 398 Siskiyou Caribou Basin 1982 Comment
  JEPS19694  Penstemon procerus var. formosus Peter H. Raven 1956-9-4 10420 Siskiyou summit of Mt. Eddy 2758 Comment
  RSA401848  Penstemon procerus var. formosus M. B. Dunkle 1945-7-19 9221 Siskiyou Marble Valley Summit; rocky ridge. Comment
  HSC21100  Penstemon purpusii William J. Ferlatte 1967-6-8 672 Siskiyou Yellow Rose Mine Trail 1677 Comment
  JEPS11637  Penstemon roezlii Geo. D. Butler 1908-6-28 431 Siskiyou L. Eastlicks Ranch , L. Eastlicks Ranch (Oro Fino) Comment
  SBBG21883  Penstemon roezlii D. Myrick 1964-7-25 948 Siskiyou Shasta Ski Bowl Hwy, Mt Shasta 1524 Comment
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Apr 15 2016
  JEPS5716  Penstemon roezlii Dorothy Parker 1954-6-5 619 Siskiyou just e Scott Valley (Hartstrand Gulch); Siskiyou Mountains, , e of Scott Valley 855 Comment
  RSA114975  Penstemon rydbergii var. oreocharis E. K. Balls, Lee W. Lenz 1956-6-18 21806 Siskiyou 1.3 mi SE of Bartle (jct with rd to Lava Beds) State Hwy 89, McCloud to Burney. 1220 Comment
  HSC36808  Penstemon speciosus J. P. Smith 1974-5-27 7629 Siskiyou Along FS Rd. 47N03 1280 Comment
  SEINET13944951 Image available Perideridia bolanderi L. Constance, T. I. Chuang 1967-1 3799 Siskiyou Summit of road on Scott Mountain at Trinity-Siskiyou County line, alt. 5400 ft 1646 Comment
  UC1258150  Perideridia leptocarpa Clifton and Ground 1978-6-27 1458 Siskiyou close to town Callahan (near Wildcat Creek); Etna Quad., near Wildcat Creek 1098 Comment
  SEINET12122372  Perideridia oregana Unknown 1986-1 60331 Siskiyou NE of Weed, between Herd Mt. & Miller Mt., Miller Mt. Rd (45N22) at int with rds to Davis Gulch, 1018 Comment
  RSA237647  Perideridia parishii subsp. latifolia Frederick W. Oettinger 1967-8-20 286 Siskiyou Just below Tom Taylor Cabin spring and in bordering wet meadows. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2050 Comment
  CAS-BOT-BC423363  Peritoma serrulata Elmer I. Applegate 1923-8-21 3927 Siskiyou South end of Little Klamath Lake Comment
  HSC64423  Persicaria lapathifolia J. P. Smith, Steve Selva 1970-7-17 4419 Siskiyou Along Klamath River Comment
  CAS-BOT-BC330260  Petasites frigidus var. palmatus L. E. Smith 1913-4-24 101 Siskiyou Castle Crags Station Comment
  HSC101738  Petrorhagia dubia J. P. Smith, J. O. Sawyer 2010-5-2 12797 Siskiyou River access road, on the Salmon River. 164 Comment
  UC1475688  Phacelia cookei Clifton and Ground 1978-6-14 1040 Siskiyou near Andesite (close to town of Weed); Whaleback quadrangle 1464 Comment
  SEINET5759868  Phacelia dalesiana W. Roderick, D. Parker 1967-7-25 s.n. Siskiyou Scott Mts., Kangaroo Lake 1981 Comment
  UC1034645  Phacelia hastata Milo S. Baker 1955-6-26 13077 Siskiyou between Weed and Gazelle; Shasta Val. 914 Comment
  UC642520  Phacelia hastata subsp. compacta W. B. Cooke 1940-8-22 15477 Siskiyou Mud Creek Canyon Mount Shasta (along w rim) Comment
  UC660148  Phacelia hastata subsp. compacta Marion Ownbey and Fred G. Meyer 1940-7-4 2189 Siskiyou on ridge above head of Brewer Creek (e side of mt.); Mt. Shasta Comment
  HSC57388  Phacelia heterophylla Overton, Butler 1979-7-26 10121 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  JEPS105229  Phacelia heterophylla subsp. virgata Dean W. Taylor 1995-6-25 15114 Siskiyou Highway 3 at Soap Creek Summit (ca. 6 miles West of Yreka) 1280 Comment
  JEPS2086  Phacelia heterophylla subsp. virgata Geo. D. Butler 1928-6-28 409 Siskiyou near Yreka; Butler's Ranch Comment
  RSA30625  Phacelia heterophylla subsp. virgata Lincoln Constance, R. C. Rollins 1942-5-14 2927 Siskiyou Shasta River, 4 miles north of Yreka. 762 Comment
  UC718170  Phacelia heterophylla subsp. virgata Carl B. Wolf 1934-7-6 5982 Siskiyou 1/4 mi e Mt. Shasta City (sw slope of mt.); Mt. Shasta 1097 Comment
  UC726922  Phacelia heterophylla subsp. virgata A. A. Heller 1916-6-23 12422 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  SBBG65340  Phacelia imbricata Mrs. H. P. Bracelin 1931-6-20 430 Siskiyou ca. 2 mi NW of Mt Shasta City 1051 Comment
  JEPS25769  Phacelia leonis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7460 Siskiyou along Del Norte-Siskiyou co. boundary about 13 mi nw Happy Camp (meadow of valley); Siskiyou Mts., Indian Creek drainage, Twin Valley 1524 Comment
  RSA120902  Phacelia pringlei Milo S. Baker 1957-6-16 13152 Siskiyou Trip to Scott Mt. after turn off near Callahan. Comment
  RSA50204  Phacelia pringlei E. K. Balls 1949-7-8 13901 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mt. 1753 Comment
  JEPS73749  Phalaris canariensis George D. Butler 1908-6-25 488 Siskiyou Butler's Ranch near Yreka; Butler's Ranch Comment
  CAS-BOT-BC77417  Philadelphus lewisii Carl B. Wolf 1927-8-26 1044 Siskiyou On the Klamath River, 4 mi. north of Gottville Comment
  CAS-BOT-BC77423  Philadelphus lewisii D. E. Breedlove 1962-6-10 3316 Siskiyou On the north bank of the Klamath River at its junction with Goff Creek, 4.5 miles west of Seiad Comment
  CDA17141  Philadelphus lewisii G. F. Hrusa 2001-6-6 15855 Siskiyou Siskiyou Mountains; Along Hwy 96 at Scott R. Bridge. 426 Comment
  UC165384  Philadelphus lewisii Geo. D. Butler 1908-7-7 405 Siskiyou along creek near Yreka Comment
  UC909474  Philadelphus lewisii J. H. Thomas 1949-6-16 954 Siskiyou 1/4 mi n Beaver Creek Public Camp (along Beaver Creek 5 mi n of junction <with> Klamath River); Klamath National Forest Comment
  SEINET6917951  Philadelphus lewisii M. K. Solecki, J. B. Taft 1986-9-9 2145 Siskiyou Bank of Scotty River near Indian Scotty campground; elevation 2,200 feet. 670 Comment
  SEINET10954464  Phleum alpinum H. E. Brown 1897-6-11 Brown 445 Siskiyou north side Mt. Shasta 1524 Comment
  RSA78295  Phlox adsurgens P. A. Munz 1952-7-1 17863 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 Comment
  UC1408778  Phlox adsurgens Frederick W. Oettinger and R. F. Thorne 1969-8-6 1240 Siskiyou Pine Lake, w Siskiyou County Salmon Mountains, Marble Mountain Wilderness Area 1874 Comment
  HSC68337  Phlox diffusa Maralyn A. Renner 1980-6-26 1231 Siskiyou SE edge of Flint Valley. 1390 Comment
  JEPS113328  Phlox diffusa L. P. Janeway 2006-7-4 8794 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. Comment
  POM255931  Phlox diffusa subsp. diffusa Marion Ownbey, Ruth Ownbey 1938-7-20 1762 Siskiyou Near Dry Lake Lookout, summit of the Siskiyou Mountains. Comment
  RSA275280  Phlox diffusa subsp. diffusa J. P. Smith 1973-5-5 6472 Siskiyou Along Cook and Green Pass road. Comment
  UCSB21823  Phlox hoodii Keefe, Joseph 1967-7-11 Siskiyou 0.5 mile on trail east of Cook and Green Pass; north of Seiad Valley 1371 Comment
  HSC17167  Phlox rigida R. C. Wunner 1965-6-7 132 Siskiyou Lava Beds National Monument, near N prefab near Indian Well Campground 1433 Comment
  UC1186127  Phlox speciosa subsp. occidentalis H. L. Mason 1931-5-9 5869 Siskiyou 3 mi s Weed Comment
  CAS-BOT-BC60685  Phoenicaulis cheiranthoides Geo. D. Butler 1910-5-7 1296 Siskiyou Dry Hill near Yreka. Comment
  CHSC75765  Phoradendron densum Vernon H. Oswald; Lowell Ahart 1999-7-5 9814 Siskiyou Gazelle Mtn. on road 41N03 1.0 mi southeast of Gazelle-Callahan Hwy. 1554 Comment
  CAS-BOT-BC56499  Phyllodoce empetriformis Mrs. H. P. Bracelin 1931-6-21 458 Siskiyou North side of Mt. Eddy above Dobkin's Lake 2133 Comment
  RSA186830  Physalis virginiana var. sonorae T. C. Fuller 1966-10-6 15246 Siskiyou Siskiyou County: Clement ranch, 5 miles N of Montague Comment
  CAS-BOT-BC60765  Physaria occidentalis Harley P. Chandler 1901-6-1 1653 Siskiyou North Coast Ranges. Marble Mountain. 2438 Comment
  UCD116161  Physaria occidentalis subsp. occidentalis J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3756 Siskiyou Southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2133 Comment
  CAS-BOT-BC140607  Physocarpus capitatus Copeland 1903-9-6 3858 Siskiyou Mt. Eddy Comment
  UC1736325  Physocarpus capitatus Dean W. Taylor 1972-7-3 1602 Siskiyou Cook and Green Pass 1371 Comment
  CAS-BOT-BC78178  Picea breweriana L. E. Berriman 1941-1-1 s.n. Siskiyou North slopes of Russian Peak; west of Callahan 2133 Comment
  JEPS48371  Picea breweriana W. L. Jepson 1907-7-6 2847 Siskiyou Marble Mt. region Marble Mt. 1828 Comment
  JEPS83899  Picea breweriana Stephen K. Langer with Charles S. Rand 1988-6-23 Siskiyou slope e Elk Lake (n of Red Butte) Comment
  NY30478  Picea breweriana F. M. Ownbey 1940-7-6 2205 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
  UC667969  Picea breweriana Joseph P. Tracy 1935-8-1 14417 Siskiyou in a cold cirque 1 mi e Salmon Summit Mine (head of creek); Knownothing Creek 1767 Comment
  UC336772  Picea breweriana unknown 1889-10-18 Siskiyou near Waldo, Oregon; Siskiyou Mts. Comment
  HSC101730  Pinus albicaulis Michael Kauffmann 2013-5-27 11 Siskiyou West ridgeline above Wright Lake 2222 Comment
  HSC19111  Pinus albicaulis J. O. Sawyer 1969-7-10 1297 Siskiyou Ridges E of Russian Peak 2256 Comment
  CAS-BOT-BC73395  Pinus albicaulis Dr. C. E. Wilson 1930-7-9 s.n. Siskiyou Marble Mt. Comment
  SEINET11526740  Pinus attenuata D. A. Charlet, T. Charlet 1996-12-15 2350 Siskiyou Mt. Shasta, lower southern slopes along State Highway 89, from a few miles east of McLeod to a few miles west of Bartle. Comment
  CAS-BOT-BC78407  Pinus balfouriana W. R. Dudley 1899-8-26 s.n. Siskiyou Eddy Mt. Comment
  HSC31504  Pinus balfouriana Steve Selva, Roger Jensen 1974-8-25 50 Siskiyou Top of ridge S of Little Duck Lake Comment
  RSA183476  Pinus balfouriana J. M. Tucker, L. K. Mann, S. L. Holloway 1963-8-18 3769 Siskiyou SW ridge of Black Mtn (Black Marble Mtn); Marble Mtn Wilderness Areas. 2134 Comment
  CAS-BOT-BC78496  Pinus contorta subsp. murrayana W. B. C. 1938-8-24 11585 Siskiyou Along the Round-the-Mountain road 1798 Comment
  CAS-BOT-BC73096  Pinus lambertiana Doris K. Kildale 1927-11-28 4233 Siskiyou Quartz Valley, Scott River Comment
  HSC29669  Pinus lambertiana Frederick W. Oettinger 1969-8-24 1538 Siskiyou Marble Mtn. Wilderness Area, 0.1 mi. N of English Lake 1768 Comment
  HSC45031  Pinus lambertiana Maralyn O'Meara 1974-5-25 394 Siskiyou Along road to Duck Lakes trail 1402 Comment
  UC1409272  Pinus lambertiana Frederick W. Oettinger 1968-9-3 686 Siskiyou near high ridge nw Horse Range Lake; Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  UC813268  Pinus lambertiana A. A. Heller 1915-8-26 12253 Siskiyou at the foot Mt. Eddy (Metcalf's Ranch) 1188 Comment
  CAS-BOT-BC78949  Pinus monticola Doris K. Kildale 1928-8-19 6537 Siskiyou summit of Divide at Hancock Lake, trail to Marble Mt. 2194 Comment
  HSC69710  Pinus monticola Maralyn A. Renner 1980-7-15 1774 Siskiyou English Lake inlet 1780 Comment
  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
  NY61947  Pinus monticola E. B. Copeland 1903-9-8 3806 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
  SEINET8408406  Pinus sabiniana Frank Callahan 2006-1 Siskiyou forks of Salmon, South Fork. Comment
  UC455180  Piperia colemanii I. J. Condit 1911-7-22 Siskiyou trail to Horse Camp; Mt. Shasta 1524 Comment
  RSA382824  Piperia unalascensis Louis C. Wheeler 1934-7-2 2839 Siskiyou Deer Creek. Sterling Mtn. Siskiyou Mtns. 1585 Comment
  JEPS101569  Plagiobothrys hispidulus Dean W. Taylor 1999-6-9 17242 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  SJSU8038  Plagiobothrys tener C. L. Kline 1965-7-14 204 Siskiyou 10 mi E of McCloud 1280 Comment
  CHSC91387  Plantago lanceolata Lowell Ahart; John Dittes 2005-6-10 12118 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
  JEPS25768  Plantago lanceolata Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7463 Siskiyou above and due e Twin Valley (about 13 air mi nw of Happy Camp); Siskiyou Mts. 1584 Comment
  UC456040  Plantago lanceolata I. J. Condit 1911-7-13 Siskiyou Dunsmuir Comment
  RSA237608  Plantago lanceolata Frederick W. Oettinger 1969-8-15 1383 Siskiyou West of Upper English Lake where stock animals are grazed often. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  HSC27780  Platanthera dilatata var. leucostachys J. D. Ackerman, A. Montalvo 1973-7-21 106 Siskiyou Paines Springs, 2.8 mi. SE of Medicine Lake Comment
  CAS-BOT-BC326711  Pleiacanthus spinosus C. E. Berry 1940-1-1 s.n. Siskiyou Unspecified Comment
  CAS-BOT-BC458195  Pleuricospora fimbriolata Wm. Bridge Cooke 1938-8-5 11460 Siskiyou Mount Shasta: Sisson Southern Trail 1828 Comment
  CAS-BOT-BC254783  Poa bolanderi A. A. Heller 1914-8-28 11736 Siskiyou On the E side of Mount Eddy 2438 Comment
  HSC92164  Poa bolanderi Jennifer Whipple 1976-9-4 1807 Siskiyou Dale Creek drainage on the N face of Mount Eddy. 2195 Comment
  UC166234  Poa bolanderi Geo. D. Butler 1910-7-12 1747 Siskiyou Shackleford Creek 1371 Comment
  CAS-BOT-BC254993  Poa bulbosa Morris Halperin 1930-7-11 309 Siskiyou Railroad Station, Montague Comment
  JEPS73748  Poa compressa George D. Butler 1908-7-1 485 Siskiyou Butler's Ranch near Yreka; Butler's Ranch Comment
  RSA238335  Poa nervosa Frederick W. Oettinger 1969-8-25 1545 Siskiyou along Tanner Peak Trail, 400 yards from from English Peak trial. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CDA2375  Poa palustris Bill Huse 1960-8-8 Siskiyou Tulelake. 0 Comment
  UCD91799  Poa palustris W. Bill Jarvis 1963-8-1 s.n. Siskiyou near Macdoel. Ladino Clover Pasture. Comment
  HSC26622  Poa pratensis J. P. Smith, Steve Selva 1970-6-15 3953 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  UCD91985  Poa pratensis Roger Zwanziger 1950-4-22 s.n. Siskiyou Albee Ranch. Comment
  CAS-BOT-BC247524  Poa pringlei John Thomas Howell 1937-7-29 13670 Siskiyou North side of Scott Mt. Comment
  POM113796  Poa secunda Geo D. Butler 1910-5-6 1294 Siskiyou Near Yreka. Comment
  UCD90329  Poa secunda A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3449 Siskiyou 25 miles N of Happy Camp. Comment
  UC1025008  Poa secunda subsp. juncifolia Leo Whitney 1935-7-15 3473 Siskiyou 2 mi se Medicine Lake (near Bullseye Lake) Comment
  HSC27327  Poa secunda subsp. secunda J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5672 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  UCD90494  Poa secunda subsp. secunda A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3433 Siskiyou 4 miles W of Hamburg, mouth of Kuntz Creek. Comment
  UCD91714  Poa secunda subsp. secunda W. E. Moon 1958-5-29 s.n. Siskiyou Along State Hwy. 97, SW of Hebron Summit. 1524 Comment
  CHSC4279  Poa trivialis D. Parker 1965-7-24 904 Siskiyou Cabin Meadow Creek, tributary of E Fork of Scott River. Comment
  HSC39633  Poa wheeleri J. P. Smith, J. O. Sawyer 1972-6-30 5645 Siskiyou Ridge W of Little Duck Lake. 2378 Comment
  JEPS121612  Podagrostis thurberiana Kendra Sikes 2011-9-13 Siskiyou Bogbean Fen, Caldwell Lakes Basin, headwaters of Parks Creek, east slope of China Mountain. Gently sloping wet meadow, W aspect, over gabbro. China Mountain quadrangle. CLB_1 #B Comment
  HSC76631  Polemonium californicum K. T. Stillman 1976-6-17 17 Siskiyou Marble Mtn. Wilderness Area 1768 Comment
  LA206594  Polemonium pulcherrimum L. Ellison; 1928-11-12 503 Siskiyou Mt Shasta Comment
  RSA275400  Polygala californica J. O. Sawyer, E. Cope 1977-6-18 2930 Siskiyou along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek. 610 Comment
  CAS-BOT-BC170330  Polygala cornuta var. cornuta H. A. Thomas; J. H. Thomas 1954-7-21 4398 Siskiyou Salmon-Trinity Mts. about 6 miles SE of Cecilville. West side of Rush Creek. 1158 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
  JEPS43020  Polygala cornuta var. cornuta W. L. Jepson July, 1894 13574 Siskiyou Sisson Comment
  SEINET10885041  Polygala cornuta var. cornuta Karen M. Meyer, Andrew Townesmith 2007-7-31 Meyer 177 Siskiyou Shasta-Trinity National Forest. 6.2 on NF Rd. 17, off US Hwy. 97. 1350 Comment
  UC61160  Polygala cornuta var. cornuta W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
  UCD109722  Polygala cornuta var. cornuta K. M. Meyer; A. Townesmith 2007-7-31 177 Siskiyou Shasta-Trinity National Forest. 6.2 on NF Rd. 17, off US Hwy. 97. 1350 Comment
  UC55513  Polygonum bistortoides Harley P. Chandler June, 1901 1708 Siskiyou Shackleford Canyon North Coast Ranges (near Marble Mountain) 1828 Comment
  CDA22762  Polygonum bistortoides T. C. Fuller 1962-6-13 8995 Siskiyou South side of Highway 89 to Lake Britton, 0.5 mile east of Bartle. 0 Comment
  JEPS50536  Polygonum davisiae Louis C. Wheeler 1935-6-27 3601 Siskiyou Etna Creek Marble Mts. (head) 1798 Comment
  UCR222502  Polygonum douglasii subsp. austiniae R. F. Thorne 1969-8-2 63401 Siskiyou Klamath Ranges Region; Salmon Mountains, Klamath National Forest, Marble Mountain Wilderness Area, trail to English Peak [along N fork of Salmon River] 1159 Comment
  JEPS24034  Polygonum douglasii subsp. douglasii Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6898 Siskiyou Siskiyou Mts., Poker Flat 1536 Comment
  JEPS105049  Polygonum douglasii subsp. johnstonii Dean W. Taylor 1996-7-11 15787 Siskiyou Scott Mountains; ridge dividing West Fork Parks Creek drainage from Willow Creek drainage (about 15 air miles west of Weed & 3 air miles west of Stewart Springs); Shasta-Trinity National Forest 1828 Comment
  RSA237767  Polygonum minimum Frederick W. Oettinger 1968-9-2 677 Siskiyou West rocky bank, Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1860 Comment
  POM104450  Polygonum phytolaccifolium Geo. D. Butler 1910-7-8 1674 Siskiyou Damp soil, upper Campbell Lake. 1677 Comment
  CAS-BOT-BC421072  Polygonum spergulariiforme Geo. D. Butler 1910-6-20 1593 Siskiyou Yreka Comment
  CAS-BOT-BC421083  Polygonum spergulariiforme W. B. Cooke; V. G. Cooke 1972-6-30 45414 Siskiyou Military Pass Road above Andesite Crossing, Mt. Shasta Comment
  POM103319  Polygonum spergulariiforme Geo. D. Butler 1909-5-25 719 Siskiyou Dry hill, Yreka Comment
  HSC103017  Polypogon maritimus J. P. Smith 2014-6-6 13874 Siskiyou Along State Route 96 at the Portuguese Creek Access to the Klamath River 416 Comment
  SBBG28173  Polystichum californicum L. C. Wheeler 1934-8-16 3172 Siskiyou 2 mi E of White Mtn 1920 Comment
  HSC69311  Polystichum imbricans Maralyn A. Renner 1980-7-24 1971 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  HSC79158  Polystichum imbricans C. J. Thomas 1983-10-1 108 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 Comment
  HSC64681  Polystichum imbricans J. O. Sawyer 1977-7-7 3040 Siskiyou N of Little Duck Lake 2073 Comment
  RSA693306  Polystichum imbricans M. B. Dunkle 1944-7-15 9110 Siskiyou Siskiyou National Forest. Comment
  HSC22491  Polystichum imbricans subsp. imbricans J. O. Sawyer 1969-6-12 879 Siskiyou Ridge SE of Eaton Lake 2226 Comment
  HSC34350  Polystichum lemmonii J. P. Smith, J. O. Sawyer 1973-8-14 7303 Siskiyou On trail from Campbell Lake to Cliff Lake 1829 Comment
  UC1076339  Polystichum lemmonii Dorothy Tebbe 1929-6-28 26 Siskiyou Mt. Eddy Comment
  HSC1147  Polystichum lonchitis Dorothy Parker 1949-7-10 336 Siskiyou Above Paradise Lake, Salmon Mtn. 1982 Comment
  LA2445  Polystichum lonchitis Louis Wheeler; 1934-8-6 3058 Siskiyou Rock Gulch off Jaynes Canyon 1828 Comment
  UC1877814  Polystichum lonchitis J. C. Game with Jeff Greenhouse, Jim Shevock 2004-7-9 5074 Siskiyou on the side of Gray Rock Lake, above the lake, about five miles NW of Castle Crags 1844 Comment
  UCD136528  Polystichum lonchitis John M. Tucker 1963-8-19 3772 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area. 1950 Comment
  RSA331958  Polystichum scopulinum W. Wisura, Dave Kelly 1985-7-31 4078 Siskiyou Kangaroo Lake, Scott Mtns.; on rocks above and beyond the granite rocks near campground Comment
  UCSB27384  Polystichum scopulinum Wilken, Dieter 1969-7-26 Siskiyou Above summit of Mt. Shasta Ski Bowl Road, S slope of Mt. Shasta. 3200 Comment
  UC54209  Populus tremuloides H. M. Hall and E. B. Babcock June, 1903 4080 Siskiyou along streams in Shasta Valley Shasta Valley (Mount Shasta); , Shasta Valley 914 Comment
  CAS-BOT-BC453682  Potamogeton gramineus Calvin McMillan; Malcom A. Nobs 1949-6-17 801 Siskiyou Grass Lake, Highway 97 Comment
  HSC29381  Potentilla breweri Frederick W. Oettinger 1968-8-12 498 Siskiyou Salmon Mountains, Tobacco Lake Trail 1890 Comment
  UC1409356  Potentilla breweri Frederick W. Oettinger 1968-8-12 498 Siskiyou Tobacco Lake Trail Salmon Mountains, Marble Mountain Wilderness Area (Salmon Mts., high lake basins in vicinity of English Peak, Marble Mountain Wilderness area, western Siskiyou County) 1889 Comment
  RSA215633  Potentilla breweri var. breweri Gilbert Muth 1969-8-8 1275 Siskiyou Boreal meadow, Boulder Peak ridge in subalpine forest. 2287 Comment
  HSC295  Potentilla flabellifolia William J. Ferlatte 1966-8-17 390 Siskiyou Caribou Basin 1982 Comment
  CAS-BOT-BC143254  Potentilla flabellifolia H. A. Thomas; J. H. Thomas 1954-7-24 4494 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CHSC110957  Potentilla glandulosa subsp. pseudorupestris B. Castro; L. P. Janeway 2007-7-29 1666 Siskiyou Modoc Plateau. South of Callahan Flow but N of Medicine Lake Glass Flow, along 49 Rd (USFS Road 44N75) in vicinity of Fourmile Hill. Exact location not determined. 1981 Comment
  RSA85778  Potentilla glandulosa var. nevadensis E. E. Stanford 1930-8-14 2085 Siskiyou Below summit of Sonora Pass. 2896 Comment
  JEPS94062  Potentilla gracilis var. fastigiata Vernon H. Oswald and Lowell Ahart 1998-7-21 9351 Siskiyou Northeast of Weed and south of Macdoel along Old State Highway on west side of Bray. 1417 Comment
  CAS-BOT-BC540566  Potentilla gracilis var. fastigiata Dorothy Parker 1950-7-2 467 Siskiyou Scott Valley 853 Comment
  RSA716051  Potentilla millefolia L. Ahart 2005-6-10 12095 Siskiyou 30 yards E of the Shasta River, near the south fence, 100 yards S of the pump house along the Shasta River, about 1.9 air miles S of highway 99/97 cutoff, about 6 air miles ESE of Grenada. 777 Comment
  CAS-BOT-BC158537  Potentilla millefolia Alice Eastwood; John Thomas Howell 1936-6-13 2752 Siskiyou 6 miles n. of Weed Comment
  RSA105311  Potentilla millefolia M. S. Baker 1955-6-26 13080 Siskiyou Shasta Valley, between Weed and Gazella. 915 Comment
  UC702909  Primula suffrutescens Lester Rowntree 1937-7-25 Siskiyou Caribou Lakes Comment
  HSC65492  Prosartes hookeri R. White 1977-7-21 124 Siskiyou Slope below outlet of Raspberry Lake. 1512 Comment
  HSC30411  Prosartes hookeri Frederick W. Oettinger 1969-8-1 1123 Siskiyou Marble Mtn. Wilderness Area, above Wiregrass Meadow near English Lake 1707 Comment
  HSC82361  Prunella vulgaris subsp. lanceolata Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4516 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  RSA211152  Prunella vulgaris var. lanceolata William J. Ferlatte 1966-8-16 370 Siskiyou Trinity Alps: Big Flat Hillside, between campground and S. Fork of the Salmon River 1524 Comment
  CAS-BOT-BC158209  Prunus emarginata Wm. Bridge Cooke 1938-7-22 11318 Siskiyou Sisson Southern Trail Comment
  CAS-BOT-BC158217  Prunus emarginata Geo. D. Butler 1910-5-1 1256 Siskiyou Humbug Mt. Comment
  CAS-BOT-BC158229  Prunus emarginata W. R. Dudley 1899-8-13 s.n. Siskiyou Near Mud Creek, McCloud Comment
  CAS-BOT-BC158242  Prunus emarginata Annetta Carter 1939-8-19 1455 Siskiyou 3.5 miles north of Dunsmuir 914 Comment
  JEPS44954  Prunus emarginata Geo. D. Butler 1908-8-26 537 Siskiyou Salmon Mountain, near summit Salmon Mountain Comment
  SEINET7412419  Prunus virginiana var. demissa G. D. Butler 1910-7-24 1795 Siskiyou Yreka Creek Comment
  CAS-BOT-BC357407  Pseudognaphalium microcephalum A. A. Heller 1914-8-25 11702 Siskiyou Near Deetz station opposite Black Butte 1158 Comment
  RSA585076  Pseudoroegneria spicata subsp. spicata L. C. Wheeler 1934-6-29 2831 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1067 Comment
  RSA478138  Pseudostellaria jamesiana M. B. Dunkle 1944-7-7 9077 Siskiyou Deer Creek. 1768 Comment
  RSA49964  Pseudostellaria jamesiana E. K. Balls 1949-7-8 13897 Siskiyou Trail to Carmel Lake from Scott Mountain Camp, Scott Mtn. 1753 Comment
  CAS-BOT-BC80171  Pseudotsuga menziesii Doris K. Kildale 1928-8-18 6431 Siskiyou North Fork Salmon River at Finley Camp Comment
  UC618787  Pseudotsuga menziesii unknown 1938-9-2 11596 Siskiyou Sisson Southern Trail Mount Shasta, Sisson Southern Trail 1524 Comment
  HSC69140  Pseudotsuga menziesii var. menziesii Maralyn A. Renner 1980-8-8 2477 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  HSC73297  Pteridium aquilinum var. pubescens M. A. Baker 1980-6-20 2194 Siskiyou Near Bald Mtn. 1036 Comment
  UC399468  Pteridium aquilinum var. pubescens Geo. D. Butler 1910-6-6 1462 Siskiyou Quartz Valley Quartz Valley Comment
  UC618654  Pterospora andromedea W. Bridge Cooke 1938-8-5 11453 Siskiyou Sisson Southern Trail Mount Shasta Comment
  UCD91526  Puccinellia distans A. A. Beetle; G. L. Stebbins 1942-5-31 3422 Siskiyou 6 miles north of Gazelle. Comment
  UC454972  Purshia tridentata var. tridentata I. J. Condit 1911-7-22 Siskiyou trail to Horse Camp; Mt. Shasta Comment
  CAS-BOT-BC460859  Pyrola aphylla H. A. Thomas; J. H. Thomas 1954-7-21 4413 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1158 Comment
  RSA0082808  Pyrola aphylla M. B. Dunkle 1944-7-17 9119 Siskiyou Deer Creek. 1767 Comment
  SEINET8404856  Pyrola aphylla L. E. Detling 1947-6-3 6047 Siskiyou Happy Camp, Klamath Nat'l. Forest. 335 Comment
  HSC18922  Pyrola dentata J. O. Sawyer 1969-6-11 820 Siskiyou Near C.C.C. road, in Horse Range Creek drainage 1360 Comment
  RSA0080483  Pyrola dentata J. B. Feudge 1927-7-22 1727 Siskiyou On trail from Sisson to Mt. Eddy. 1128 Comment
  RSA0080486  Pyrola dentata E. K. Balls 1949-7-8 13921 Siskiyou Road from Scott Mountain to Callahan. 1372 Comment
  UCD77970  Pyrola minor Robert E. Preston 2001-7-20 1677 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W se 1/4 of ne 1/4 Section 14 1688 Comment
  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
  CAS-BOT-BC466138  Pyrola picta Ira L. Wiggins 1955-7-23 13472 Siskiyou Banks of China Creek 1097 Comment
  CAS-BOT-BC466308  Pyrola picta C. L. Hitchcock; J. S. Martin 1939-7-8 5301 Siskiyou 15 miles No of Happy Camp on Happy Camp--Takilma Hwy 914 Comment
  POM52309  Pyrrocoma racemosa var. paniculata Geo D. Butler 1910-8-21 1843 Siskiyou Shasta Valley Comment
  UC595075  Pyrrocoma racemosa var. pinetorum David D. Keck 1938-8-8 4862 Siskiyou 3 mi se Scott Mt. Lodge (ridge between Mill Creek and Mule Creek); Scott Mts. 1340 Comment
  UC829439  Pyrrocoma racemosa var. racemosa A. A. Heller 1917-9-7 12980 Siskiyou 5 mi s Gazelle; Shasta Valley 914 Comment
  CAS-BOT-BC362385  Pyrrocoma racemosa var. racemosa John Thomas Howell 1939-7-31 14858 Siskiyou North side of Scott Mts. on road to Callaghan [Callahan] Comment
  HSC99817  Quercus chrysolepis G. L. Clifton, Griswold 1979-6-27 6089 Siskiyou Near Shackleford Creek, close to the town of Greenview 1342 Comment
  CAS-BOT-BC94658  Quercus garryana Louis C. Wheeler 1934-10-7 3312 Siskiyou Siskiyou Mts., Oak Knoll Ranger Station, Klamath River. Dry S slope. 670 Comment
  CAS-BOT-BC94660  Quercus garryana Lewis S. Rose 1945-6-22 45169 Siskiyou Beaver Creek & Klamath River 548 Comment
  CAS-BOT-BC94662  Quercus garryana Alice Eastwood 1921-7-22 10710 Siskiyou near Dunsmuir Comment
  UC1311637  Quercus garryana Robert J. Rodin 1965-8-23 7159 Siskiyou just s Oregon border (Highway 99, in California) Comment
  CAS-BOT-BC62755  Quercus garryana var. breweri John Thomas Howell 1934-7-4 12384 Siskiyou Lava flow between Timbered Crater and Little Hot Springs Valley Comment
  POM166635  Quercus garryana var. garryana Copeland 1903-7-14 3522 Siskiyou Klamathon. Comment
  CAS-BOT-BC105473  Quercus kelloggii William Bridge Cooke 1938-8-5 11435 Siskiyou MacBride Spring Road, on the SW slopes of the mountain 1219 Comment
  HSC36737  Quercus kelloggii Brent Whitely 1975-6-21 10 Siskiyou 223 Comment
  UCD46691  Quercus kelloggii Frank C. Vasek 1975-6-29 750629 9 Siskiyou 2.3 miles east of Callahan, Siskiyou County, California. Comment
  SFV5163  Quercus lobata B. C. Templeton 1960-6-21 8533 Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  HSC68384  Quercus sadleriana Maralyn A. Renner 1980-6-26 1204 Siskiyou N edge of Flint Valley 1390 Comment
  HSC73348  Quercus sadleriana Gail Newton 1980-6-20 440 Siskiyou Near Bald Mtn. 1097 Comment
  JEPS37855  Quercus sadleriana Geo. D. Butler 1908-8-4 234 Siskiyou Wooly Creek 1676 Comment
  UC1313014  Quercus sadleriana Sandra L. Holloway 1963-10-12 77 Siskiyou junction Red Rock Valley trail and Canyon Creek trail; Marble Mountain Wilderness Area 1341 Comment
  UCD47259  Quercus sadleriana John M. Tucker 1972-8-8 4247 A Siskiyou (Q. garryana Hook. var. breweri (Engelm.) Jepson). California, Siskiyou Co.; Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 mi. west-southwest of Marble Valley Guard Station (extreme southeast corner of Section 20, R.11W., T.42N. 1828 Comment
  UCSB57179  Quercus sadleriana Holloway, Sandra 1963-10-12 Siskiyou Junction Red Rock Valley trail and Canyon Creek trail (T.43.R.11W., southeast corner section 7), Marble Mountain Wilderness Area Comment
  RSA96960  Quercus sadleriana Percy C. Everett, E. K. Balls 1954-10-12 20274 Siskiyou Horse Creek to Dry Lake Lookout, 2 miles west of lookout. 1921 Comment
  CAS-BOT-BC104630  Quercus vacciniifolia Elmer I. Applegate 1930-8-9 6598 Siskiyou Middle Fork Applegate River Comment
  CHSC71585  Quercus vacciniifolia Vernon H. Oswald; Lowell Ahart 1998-8-3 9446 Siskiyou Rock Fence Lake Rd. (USFS 41N18) 0.1 mi northeast of its intersection with Kangaroo Lake Rd. (USFS 41N08) 4.9 mi southeast of Gazelle-Callahan Rd. 1676 Comment
  HSC68452  Quercus vacciniifolia Maralyn A. Renner 1980-7-4 1403 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  HSC91298  Quercus vacciniifolia Jennifer Whipple 1976-7-14 1473 Siskiyou SE slope of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  UC338543  Quercus vacciniifolia unknown 1888-8-24 Siskiyou near Castle Lake (near Sisson's) 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
  CAS-BOT-BC186689  Ranunculus A. M. Vollmer; L. Beane 1951-6-2 70 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway Comment
  SBBG25915  Ranunculus alismifolius D. Myrick 1966-8-12 1541 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  HSC98331  Ranunculus alismifolius var. alismellus G. L. Clifton 1979-7-1 6161 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  UC535898  Ranunculus alismifolius var. alismifolius Elmer I. Applegate 1931-6-24 6808 Siskiyou Medicine Lake; w side 1981 Comment
  UC164980  Ranunculus aquatilis var. capillaceus Geo. D. Butler 1908-8-10 361 Siskiyou near Log Lake; Shackelford Creek Comment
  HSC77008  Ranunculus eschscholtzii var. suksdorfii K. T. Stillman 1976-6-25 81 Siskiyou Marble Mtn. Wilderness Area, N side of Elk Valley. 1799 Comment
  RSA534580  Ranunculus flammula var. ovalis Peter Rubtzoff 1955-7-10 1947 Siskiyou Duncans Mills Marsh Comment
  JEPS60681  Ranunculus glaberrimus Milo S. Baker 1933-4-10 7350 Siskiyou Pacific Hwy 2 mi s Yreka; Pine Grove Auto Camp Comment
  UC165298  Ranunculus glaberrimus Geo. D. Butler 1910-3-7 1117 Siskiyou Shasta River Canyon Comment
  UC635098  Ranunculus glaberrimus D. Tebbe 1930-3-28 70 Siskiyou Weed Comment
  UC165304  Ranunculus occidentalis Geo. D. Butler 1909-3-20 568 Siskiyou near Scott River Comment
  HSC40653  Ranunculus occidentalis var. occidentalis J. P. Smith 1973-5-5 6461 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  HSC597  Ranunculus orthorhynchus var. orthorhynchus William J. Ferlatte 1966-6-22 106 Siskiyou 3 mi. S of Big Flat 1585 Comment
  SJSU6491  Ranunculus uncinatus R. W. Trivelpiece 1972-6-14 107 Siskiyou Vann Cr near Bear Peak c. 15 mi SW of Happy Camp 1280 Comment
  UC1333320  Ranunculus uncinatus Dorothy Parker 1949-5-26 Siskiyou near Wildcat Creek; Salmon Mountains Range 1188 Comment
  UC1211981  Rhamnus crocea Victor A. Zullo 1962-2-12 Siskiyou between Etna and Callahan (s side of Horseshoe Gulch, a side canyon of McConaughy Gulch, on the e side of Scott Valley); Scott Valley, Horseshoe Gulch, McConaughy Gulch Comment
  CAS-BOT-BC56113  Rhamnus ilicifolia W. B. C. 1940-6-20 15141 Siskiyou along the Klamath River west of the Pacific Highway 609 Comment
  RSA12076  Rhamnus purshiana Louis C. Wheeler 1934-11-7 3360 Siskiyou Siskiyou Mountains: Gottville, Klamath River. 567 Comment
  RSA697558  Rhododendron macrophyllum Leo Miller 1938-07 s.n. Siskiyou Siskiyou, Mountains. 915 Comment
  RSA697559  Rhododendron macrophyllum Leo Miller 1938-07 s.n. Siskiyou Siskiyou, Mountains. 915 Comment
  UC22136  Rhododendron occidentale T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC200396  Rhododendron occidentale var. paludosum W. R. Dudley 1905-8-4 s.n. Siskiyou Meadow foot of Mt. Eddy Comment
  CAS-BOT-BC200743  Rhus aromatica L. R. Short 1933-5-24 132 Siskiyou Klamath National Forest. Bank of Klamath River 548 Comment
  SEINET10494636  Rhus trilobata Katherine L. Morris 1973-6-2 Morris 356 Siskiyou Found at the junction of Shasta and Klamath Rivers on Hwy 263. Comment
  RSA138230  Rhus trilobata var. quinata P. C. Everett, E. K. Balls 1959-10-24 23945 Siskiyou On dry flats in River Valley. 7 mi. SW from Red Bank F.S. Camp on road from Sawyers Bar to Somesbar. Comment
  CAS-BOT-BC438007  Ribes L. B. Kildale 1930-6-1 9776 Siskiyou Black Bear trail to Sawyers Bar Comment
  UC858421  Ribes cereum A. A. Heller 1938-7-12 15252 Siskiyou 8 mi n Weed (on U.S. Highway 97) Comment
  LA205436  Ribes divaricatum var. parishii Wm. Bridge Cooke; 1939-7-21 13702 Siskiyou Mt. Shasta, in the vicinity of the outlet of the Municipal Spring above Howard Comment
  SEINET3154875  Ribes glanduliferum A. A. Heller 1905-6-9 8005 Siskiyou near railraod at Yreka Comment
  HSC99923  Ribes inerme var. inerme J. O. Sawyer, & R. J. Cole 2010-6-26 4610 Siskiyou Hilt-Hungry Road, Klamath National Forest. 845 Comment
  CAS-BOT-BC168863  Ribes inerme var. klamathense A. A. Heller 1905-6-15 8042 Siskiyou Near Sisson Comment
  HSC49898  Ribes lacustre Maralyn O'Meara 1973-6-5 197 Siskiyou 1.0 mi. up Duck Lakes Trail along a trail crossing stream Comment
  JEPS84300  Ribes lacustre L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6303 a Siskiyou Takilma to Happy Camp (Indian Creek Road, n-facing road bank and ledges above, just s of state line) Comment
  RSA0021107  Ribes lacustre Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1263 Siskiyou Stream at Toms Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1966 Comment
  CAS-BOT-BC173389  Ribes lobbii A. M. Vollmer; L. Beane 1951-6-2 86 Siskiyou Happy Camp, Klamath River Highway Comment
  CAS-BOT-BC173397  Ribes lobbii John Thomas Howell 1937-7-22 13284 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  POM141962  Ribes lobbii Geo. D. Butler 1910-5-30 1442 Siskiyou Humbug 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-BC465594  Ribes montigenum Julie Kierstead Nelson; Martin Lenz 2015-6-18 2015 -061 Siskiyou Headwaters of West Fork Parks Creek, 2 mi NNE of China Mountain; 7 mi W of town of Weed 2208 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-BC219268  Ribes nevadense A. A. Heller 1905-6-16 8047 Siskiyou Sisson Comment
  CDA25569  Ribes roezlii F. D. Horn 1977-4-21 Siskiyou Van Horn Creek, McAdams Creek Road, Fort Jones. 0 Comment
  CAS-BOT-BC199992  Ribes roezlii var. cruentum L. E. Smith 1913-4-14 628 Siskiyou Yreka Comment
  HSC36607  Ribes sanguineum Brent Whiteley 1975-6-28 89 Siskiyou 915 Comment
  JEPS49244 Image available Ribes sanguineum W. L. Jepson 1907-7-5 2822 Siskiyou near Marble Mt. (head of Shackelford Canyon) 2133 Comment
  UC1222370 Image available Ribes sanguineum Joseph P. Tracy 1951-6-16 19497 Siskiyou near State Line (summit of the Siskiyous, at crossing of Takilma-Happy Camp Road); Siskiyous Comment
  UC637110  Ribes sanguineum Annetta Carter 1934-8-13 707 Siskiyou Happy Camp to Waldo (Oregon) road Klamath National Forest, West Branch Indian Creek watershed 1463 Comment
  CAS-BOT-BC144512  Ribes sanguineum var. sanguineum Doris K. Kildale 1928-8-18 6440 Siskiyou head of north fork of Salmon River at Finley Upper Camp Comment
  UC165920  Ribes velutinum Geo. D. Butler 1910-3-13 1128 Siskiyou Klamath hills Comment
  CAS-BOT-BC168802  Ribes viscosissimum W. R. Dudley 1901-8-8 s.n. Siskiyou Jackson Lake, southern Siskiyou County Comment
  HSC29417  Ribes viscosissimum Frederick W. Oettinger 1968-8-10 467 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area; east side of Hancock Lake 1936 Comment
  HSC92778  Ribes viscosissimum Jennifer Whipple 1976-7-8 1368 Siskiyou Ridgetop W of Dobkins Lake 2256 Comment
  SEINET200856 Image available Ribes viscosissimum H. P. Chandler 1597 Siskiyou North Coast Ranges; rdiges and meadows near Marble Mountain 2134 Comment
  HSC46764  Ribes viscosissimum William J. Ferlatte 1974-7-15 1540 Siskiyou Yellow Rose Mine Trail 1646 Comment
  RSA0020918  Ribes viscosissimum M. B. Dunkle 1944-7-18 9131 Siskiyou Siskiyou National Forest. 1890 Comment
  UCSC000807  Rigiopappus leptocladus Unknown 1889-6-27 s.n. Siskiyou Edgewood Comment
  UC165938  Rorippa Geo. D. Butler 1909-5-29 783 Siskiyou near Yreka; near Yreka Comment
  CHSC65221  Rorippa columbiae V. Parker; J. Cooper, M. Ulloa-Cruz 1994-5-25 600 Siskiyou Shasta-Trinity National Forests. McCloud Ranger District. Dry Lake area. Comment
  POM88100  Rosa californica Geo. D. Butler 1910-5-16 1352 Siskiyou Yreka. Comment
  POM88252  Rosa californica Geo. D. Butler 1909-9-26 973 Siskiyou Yreka Creek. Comment
  SEINET7665341  Rosa californica G. D. Butler 1910-5-16 1352 Siskiyou Yreka Comment
  CAS-BOT-BC146746  Rosa gymnocarpa Alice Eastwood 1912-7-15 1079 Siskiyou McCloud Comment
  CAS-BOT-BC146751  Rosa gymnocarpa A. M. Vollmer; L. Beane 1951-6-2 52 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway Comment
  CAS-BOT-BC146754  Rosa gymnocarpa H. A. Thomas; J. H. Thomas 1954-7-27 4551 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. South side of South Fork of Salmon River in vicinity of Blind Horse Creek and area 1 mile to SE 975 Comment
  SJSU6062  Rosa gymnocarpa R. W. Trivelpiece 1971-6-18 13 Siskiyou Little S Fork Salmon R c. 3 mi S of Cecilville, Salmon R Mts 609 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
  HSC44717  Rosa rubiginosa J. O. Sawyer, E. Cope 1977-6-18 2912 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  CHSC69082  Rotala ramosior Vernon Oswald; Lowell Ahart 1997-7-28 8807 Siskiyou On the east side of Forest Route 15, 10.9 mi north of Hwy. 89. 1383 Comment
  UC1190139  Rubus glaucifolius Ira L. Wiggins 1955-7-24 13494 Siskiyou ridge betw upper reaches of China Creek and Blind Horse Creek; btw upper reaches China and Blind Horse Creeks 1645 Comment
  HSC96406  Rubus lasiococcus Gordon Leppig, J. Kalt 1996-7-9 363 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  CAS-BOT-BC147981  Rubus leucodermis Carl B. Wolf 1927-8-27 1134 Siskiyou At mouth of Crawford Creek, Klamath River Comment
  CAS-BOT-BC147984  Rubus leucodermis Doris K. Kildale 1928-7-1 5328 Siskiyou Forks of Salmon Comment
  HSC36754  Rubus leucodermis Brent Whitely 1975-6-23 41 Siskiyou 223 Comment
  HSC42911  Rubus leucodermis J. O. Sawyer, K. T. Stillman 1976-7-2 2817 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  SEINET5710610  Rudbeckia klamathensis Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7699 Siskiyou Scott Mts. Collected along Road 17, 10 mi. SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1757 Comment
  UC133445  Rudbeckia klamathensis Dr. E. B. Copeland 1903-9-8 3862 Siskiyou Mt. Eddy 1524 Comment
  CAS-BOT-BC422223  Rumex acetosella A. A. Heller 1915-8-24 12209 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  HSC19446  Rumex acetosella J. O. Sawyer 1969-7-11 1342 Siskiyou Along trail to Sugar Lake 1707 Comment
  HSC39753  Rumex acetosella J. O. Sawyer 1969-8-1 1619 Siskiyou Along road 41N14 at trail to Eaton Lake 1402 Comment
  RSA237869  Sagina decumbens subsp. occidentalis Frederick W. Oettinger 1969-8-31 1566 Siskiyou Weed patch near English Lake; Salmon Mts; The high lake basins in the vicinity of English Peak, Marble Mt. Wilderness Area. Comment
  CAS-BOT-BC102817  Salix boothii A. A. Heller 1922-7-15 13704 Siskiyou On the shore of Medicine Lake 2133 Comment
  CAS-BOT-BC103546  Salix commutata Gilbert Muth 1966-7-8 377 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  HSC28672  Salix eastwoodiae Frederick W. Oettinger 1968-9-3 690 Siskiyou Marble Mtn. Wilderness Area, near Horse's Hole, Horse Range Lake Basin 1829 Comment
  HSC34266  Salix eastwoodiae J. P. Smith, J. O. Sawyer 1973-8-14 7312 Siskiyou Around Cliff Lake 1860 Comment
  JEPS84288  Salix eastwoodiae L. R. Heckard with J. Hickman et al. 1986-7-17 6514 Siskiyou n slope Condrey Mt. 1960 Comment
  HSC74819  Salix exigua var. hindsiana J. P. Smith, J. O. Sawyer 1978-7-3 9999 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  RSA610757  Salix laevigata Louis C. Wheeler 1935-5-11 3474 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  HSC69545  Salix lasiandra Maralyn A. Renner 1980-8-6 2237 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  LA208831  Salix lasiandra A. A. Heller; 1915-7-18 12129 Siskiyou Metcalf's Ranch, Metcalf's ranch, NE of Mt. Eddy in the forest 1371 Comment
  UC482235  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-BC125449  Salix lasiandra var. lasiandra L. E. Smith 1914-5-5 651 Siskiyou Sisson Comment
  CAS-BOT-BC125457  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-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-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-BC107077  Salix lasiolepis s.n. Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  POM213970  Salix lasiolepis Isabelle C. Kimber 1934-6-9 17 Siskiyou Steelbridge Camp, Sacramento River just above confluence with Ney Creek. 732 Comment
  SD899  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 Siskiyou Northeast side of Mount Eddy, about 16 km northwest of Shasta City, above Metcalf ranch house 1424 Comment
  UC375232  Salix lasiolepis Geo. D. Butler 1910-6-1 1444 Siskiyou Yreka Creek Comment
  SBBG57824  Salix lucida subsp. lasiandra Mrs. H. P. Bracelin 1931-6-19 424 Siskiyou NE side of Mt Eddy, ca. 16 km NW of Shasta City, above Metcalf ranch house 1350 Comment
  POM213972  Salix melanopsis Isabelle C. Kimber 1934-6-9 12 Siskiyou Steelbridge Camp, Sacramento River just above confluence with Ney Creek. 732 Comment
  CAS-BOT-BC126162  Salix scouleriana Mrs. H. P. Bracelin 1936-9-3 858 Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  CAS-BOT-BC129031  Salix scouleriana Alice Eastwood 1921-7-30 11005 Siskiyou Soda Creek Comment
  HSC19409  Salix scouleriana J. O. Sawyer 1968-7-10 497 Siskiyou Lower slopes grading to terrace of a temporary stream. 1768 Comment
  RSA238271  Salix scouleriana Frederick W. Oettinger 1968-8-2 363 Siskiyou Outlet of Diamond Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2073 Comment
  SD879  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 444 Siskiyou East side of Mount Eddy, about 17 km northwest of Shasta City, above stream in Wagon Creek Canyon, about 1 km up from Metcalf Ranch House 1170 Comment
  UC1409270  Salix scouleriana Frederick W. Oettinger 1969-8-1 1135 Siskiyou above wiregrass meadow <in> English Lake Basin Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1706 Comment
  UC481711  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 445 Siskiyou ca. 17 km. n.w. Shasta City (above stream in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house, e. side of Mt. Eddy); Mt. Eddy Comment
  UC481725  Salix scouleriana Mrs. H. P. Bracelin 1931-6-21 472 Siskiyou ca. 13 km. n.w. Shasta City (at bridge ca. 1.3 km. e. of Burney Mill, n. base of Mt. Eddy); Mt. Eddy 1110 Comment
  HSC27227  Salsola tragus J. P. Smith, J. O. Sawyer 1971-9-18 4800 Siskiyou Hwy. 3, between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  UC1539980  Salvia dorrii var. dorrii M. Mitchell 1936-5-21 45 Siskiyou Frozen River Cave; Lava Beds National Monument Comment
  CDA5766  Salvia virgata T. C. Fuller 1964-6-24 12244 Siskiyou Marlow property, Greenhorn Valley, ca 2 miles west of Yreka. 0 Comment
  HSC29278  Sambucus racemosa var. racemosa Frederick W. Oettinger 1969-7-18 1059 Siskiyou Marble Mtn. Wilderness Area, E side of Upper English Lake. 1768 Comment
  JEPS25820  Sanicula graveolens Geo. D. Butler 1908-8-4 54 Siskiyou Head of Shackleford Creek Shackleford Creek 1676 Comment
  UC1258448  Sanicula graveolens Maralyn A. Renner 1980-7-23 1831 Siskiyou about 1 mi e of Cook and Green Pass ( Klamath National Forest, Pacific Crest Trail); Klamath National Forest, Pacific Crest Trail 1752 Comment
  UC1619914  Sanicula graveolens Barbara Ertter 1990-7-14 9331 Siskiyou ca. 4 airmiles w. Mt. Shasta City (Wagon Creek on e. side of Mt. Eddy, s. side of creek); Mt. Eddy, Wagon Creek 1889 Comment
  OBI8761  Sanicula tuberosa Tracey Call, Viola Call 1964-6-20 2275 Siskiyou Scott Mt. campground. 168 Comment
  HSC49938  Saussurea americana G. L. Clifton, Ground 1978-7-30 2461 Siskiyou Near White Mt., close to the town of Seiad Valley 1738 Comment
  UC1299672  Saxifraga aprica Freed W. Hoffman 1950-7-13 3647 Siskiyou Baldy Mountain Comment
  JEPS16187  Saxifraga californica Rimo Bacigalupi, and Arthur Holmgren 1950-4-24 3135 Siskiyou opposite town Dunsmuir (directly opposite railroad shops, along Sacramento River); Sacramento River Comment
  JEPS84347  Saxifraga ferruginea L. R. Heckard with J. Hickman et al. 1986-7-17 6531 Siskiyou se of Condry Mountain (road end area and camp overlooking s end of Alex Hole); Alex Hole 1980 Comment
  RSA238316  Saxifraga ferruginea Frederick W. Oettinger 1967-7-20 174 Siskiyou SSE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  JEPS25649  Saxifraga odontoloma Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7289 Siskiyou beside rill at Poker Flat 1536 Comment
  RSA211111  Saxifraga odontoloma William J. Ferlatte 1967-8-23 1105 Siskiyou Kidd Creek Trail. Trinity Alps. 1951 Comment
  HSC718  Saxifragopsis fragarioides William J. Ferlatte 1967-8-20 1054 Siskiyou Caribou Basin, Sawtooth Ridge 2043 Comment
  JEPS47486  Saxifragopsis fragarioides Geo. D. Butler 1909-7-15 897 Siskiyou 3 mi ene Finley's Camp (Highland Mine); Salmon Mts. 1706 Comment
  SEINET3991640  Schoenolirion Unknown 1941-6-20 Siskiyou Between Weed and zreka. Comment
  SEINET5717258 Image available Schoenoplectus acutus var. occidentalis Philip E. Hyatt 2002-1 11138 Siskiyou Happy Camp community, Along Klamath River. north riverbank of Klamath River within 10 feet of water. 41 deg. 47' 36.1'' 123 deg. 22. 05'.3''. Comment
  JEPS19774  Scirpus congdonii Rimo Bacigalupi with S. Galen Smith 1957-6-26 5954 Siskiyou springy bog at w end Gumboot Lake (head of South Fork Sacramento River, close to Trinity County line); head of South Fork Sacramento River, w end Gumboot Lake 1859 Comment
  JEPS80665  Scirpus microcarpus W. B. and V. G. Cooke 1977-9-22 54824 Siskiyou near Deter Camp (Mt. Shasta); , near Deter Camp Comment
  UCD141272  Scirpus microcarpus S. S. Tillett 1956-7-9 641 Siskiyou county line, ca. 8 miles SE of Callahan. E of Scott Mountain. 1828 Comment
  SEINET8390357  Scirpus robustus G. D. Butler 1910-8-21 1847 Siskiyou Shasta Valley. Comment
  UC184165  Scirpus tabernaemontani Geo. D. Butler 1908-8-29 137 Siskiyou Oro Fino Comment
  UC25793  Scutellaria antirrhinoides T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC726395  Scutellaria antirrhinoides A. A. Heller 1919-6-25 13270 Siskiyou Compton's Prairie Comment
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Dec 29 2006
  CAS-BOT-BC214258  Scutellaria nana Wm. Bridge Cooke 1940-7-26 15370 Siskiyou South side of Diller Canyon, Mount Shasta 2743 Comment
  UCD125688  Scutellaria siphocampyloides Robert E. Preston 1995-6-22 897 Siskiyou Irongate Reservoir, on open slopes W of Mirror Cove. 731 Comment
  CDA2411  Secale cereale T. C. Fuller 1958-6-19 1893 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  CAS-BOT-BC64653  Sedum kiersteadiae A. A. Heller 1920-6-29 13401 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 2194 Comment
  HSC63300  Sedum lanceolatum var. lanceolatum M. A. Baker 1979-7-30 1072 Siskiyou E facing rock slope. 2200 Comment
  JEPS48029  Sedum obtusatum W. L. Jepson 1907-7-9 2867 Siskiyou Klamath Range near Putnam Peak (Kelsey Trail); Klamath Range near Putnam Peak Comment
  UC639143  Sedum obtusatum subsp. boreale W. B. Cooke 1939-8-10 13849 Siskiyou e bank Mud Creek Canyon Mount Shasta, e bank Mud Creek Canyon Comment
  UC830962  Sedum obtusatum subsp. boreale John Thomas Howell 1939-8-2 14905 Siskiyou Marble Mts. , Spirit Lake (Spirit Lake) Comment
  HSC603  Sedum obtusatum subsp. retusum William J. Ferlatte 1967-7-26 750 Siskiyou Caribou Basin, Sawtooth Ridge 2287 Comment
  HSC74907  Sedum obtusatum subsp. retusum J. P. Smith 1978-7-1 9959 Siskiyou Klamath National Forest, Baker Cypress Grove 854 Comment
  HSC59371  Sedum obtusatum subsp. retusum Thomas W. Nelson, J. P. Smith 1979-6-15 4809 Siskiyou Along road to Carmen Lake, 1 mi. from junction with State Rte. 3 1585 Comment
  CAS-BOT-BC59092  Sedum spathulifolium Mrs. Gay 1893-6-1 s.n. Siskiyou McCloud River Comment
  CAS-BOT-BC443954  Selaginella scopulorum Dana York 2014-10-11 3226 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain Wilderness, a few meters S and above Deep Lake. 1935 Comment
  HSC43057  Selaginella wallacei Ken Stillman 1976-8-24 449 Siskiyou E and N slopes of Williams Point 366 Comment
  RSA641068  Selaginella wallacei Louis Cutter Wheeler 1963-9-11 8388 Siskiyou Siskiyou Mountains: Elk Hole, Dillon Creek. . Comment
  RSA641069  Selaginella wallacei Louis Cutter Wheeler 1963-8-28 8293 Siskiyou Siskiyou Mountains: Clear Creek ca. 1 mile downstream from West Fork. 640 Comment
  CAS-BOT-BC363418  Senecio aronicoides A. A. Heller 1905-6-15 8029 Siskiyou Near Sisson Comment
  CAS-BOT-BC363423  Senecio aronicoides Alice Eastwood 1912-7-15 1102 Siskiyou McCloud Comment
  SBBG15845  Senecio aronicoides D. Myrick 1961-6-20 281 Siskiyou Bear Springs on S slope of Mt Shasta 1676 Comment
  UCD135525  Senecio aronicoides R. Tofsrud; J. M. Tucker 1948-8-2 1763 Siskiyou Panther Meadows, south slope of Mt. Shasta. 2407 Comment
  RSA473139  Senecio canus J. William Thompson 1936-7-8 13150 Siskiyou Lava slopes of Lava Beds National Monument. Comment
  CDA8622  Senecio hydrophilus T. C. Fuller 1958-9-12 1246 -58 Siskiyou Highway 99, 5 miles south of Yreka. 0 Comment
  CAS-BOT-BC363934  Senecio integerrimus var. exaltatus Wm. Bridge Cooke 1938-9-8 11675 Siskiyou Mount Shasta. East fork of Panther Creek Comment
  SJSU6480  Senecio integerrimus var. exaltatus R. W. Trivelpiece 1972-6-9 94 Siskiyou c. 4 mi E of Grass L. 1524 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
  HSC67710  Senecio triangularis John Palmer 1980-7-24 610 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  POM254050  Senecio triangularis C. L. Hitchcock, J. S. Martin 1939-7-6 5204 Siskiyou Siskiyou Mts., 2 miles within California boundary on Takilma-Happy Camp Road 1555 Comment
  CAS-BOT-BC213142  Sidalcea Margaret M. Hanna 1956-6-2 s.n. Siskiyou 6 mi. E of Redding, Hiway 299 Comment
  SEINET11971662  Sidalcea glaucescens M. Ownbey, Meyer, F. G. 1940-1 2227 Siskiyou summit of Siskiyou Mountains, 21 mi N of Happy Camp Comment
  UC1282015  Sidalcea glaucescens Louise Kellogg 1953-8-8 113 Siskiyou on road between Callahan and Trinity Center (Mule Creek, nw slope Scott Mountain, Klamath National Forest); Klamath National Forest, Scott Mountains, Mule Creek 1402 Comment
  SD62050  Sidalcea malviflora subsp. asprella DarleyF. Howe 1965-8-8 4126 Siskiyou Saddle, south of Little Gray Back. 1402 Comment
  UC2042826  Sidalcea oregana subsp. oregana Barbara Ertter with Julie Kierstead and Jim Nelson 1990-7-15 9368 Siskiyou Ca. 1 mi E of Toad Lake at head of Middle Fork Sacramento River, ca. 8 air miles W of Mt Shasta City. 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
  UC60961  Sidalcea oregana subsp. spicata Geo. B. Grant September 1902 5216 b Siskiyou Mount Shasta Comment
  UCD77297  Sidalcea oregana subsp. spicata Robert E. Preston 2003-7-28 2163 Siskiyou ca. 17.3 mi NE of McCloud, at Trout Creek Campground 1486 Comment
  SEINET3143357  Sidalcea oregana subsp. spicata G. D. Butler 1910-7-16 1728 Siskiyou Oro Frisco [can not read location] Comment
  CDA24093  Silene antirrhina Vernon H. Oswald & Lowell Ahart 1998-6-11 9180 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  JEPS2862 Image available Silene campanulata subsp. glandulosa W. L. Jepson Jul 17 1902-Jul 22 1902 2076 a Siskiyou trail to Salmon Forks; Salmon Summit; Trail to Salmon Forks, Salmon Summit, Western Siskiyou 2133 Comment
  HSC68056  Silene campanulata subsp. greenei J. P. Smith 1976-5-5 8684 Siskiyou Road between Sawyers Bar and Somes Bar 488 Comment
  CAS-BOT-BC94411  Silene douglasii R. C. Wenk 2005-7-15 222 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass, going N along ridge 2133 Comment
  RSA714935  Silene douglasii M. E. Fishbein, Lane Greer 2006-8-3 5880 Siskiyou Paynes Creek, above Paynes Springs, about 2 miles SE of Medicine Lake. 1990 Comment
  CAS-BOT-BC388948  Silene grayi Wm. Bridge Cooke 1938-8-18 11494 Siskiyou Mount Shasta. Horse Camp Slopes Comment
  CAS-BOT-BC388953  Silene grayi Alice Eastwood 1912-9-1 2066 Siskiyou Mount Shasta Comment
  HSC74921  Silene grayi J. P. Smith, Jennifer Whipple 1978-7-2 9964 Siskiyou Klamath National Forest, ridge trail E of Cook and Green Pass 1341 Comment
  UC1408877  Silene grayi Frederick W. Oettinger 1969-7-29 1110 Siskiyou high lake basins in vicinity English Peak (n of English Lake, near Lookout, Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1920 Comment
  UCD98595  Silene grayi R. Tofsrud; J. M. Tucker 1948-8-2 1764 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2407 Comment
  CAS-BOT-BC388967  Silene grayi M. A. Showers 1981-8-8 2107 mas Siskiyou Basin between Shastina and Mt. Shasta at head of Cascade Gulch 2804 Comment
  CAS-BOT-BC389535  Silene menziesii Wm. Bridge Cooke 1940-7-5 15236 Siskiyou Mount Shasta. Along the Wagon Camp road Comment
  RSA275375  Silene vulgaris J. O. Sawyer, K. T. Stillman 1976-7-1 2792 Siskiyou Along the Little North Fork of the Salmon River. 732 Comment
  HSC27774  Sisymbrium altissimum J. P. Smith, J. O. Sawyer 1972-9-14 5798 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  HSC6909  Sisymbrium altissimum D. M. Thomson 1965-6-19 89 Siskiyou Lava Beds National Monument, Captain Jacks Stronghold Comment
  RSA298160  Sisymbrium altissimum J. P. Smith 1974-5-26 7388 Siskiyou Along Forest Service Road 47N03 1524 Comment
  HSC44592  Sisyrinchium idahoense var. idahoense Laura Witherspoon 1977-7-12 Siskiyou Flint Valley 1341 Comment
  UCR131608  Solanum nigrum L. C. Wheeler 1934-9-17 3274 Siskiyou Siskiyou Mtns., Dutch Creek off Klamath River 701 Comment
  HSC30919  Solanum parishii Melinda F. Denton 1973-6-27 2809 Siskiyou Klamath National Forest, just S of border of Klamath and Siskiyou National Forests, 9 mi. S of intersection of 416C and 4007 on 416C 1628 Comment
  UCR19715  Solanum physalifolium var. nitidibaccatum John C. Roos 1948-9-1 3988 Siskiyou Ft. Jones 838 Comment
  RSA428804B  Solanum triflorum Louis C. Wheeler 1935-7-13 3655 Siskiyou Ager. 793 Comment
  CAS-BOT-BC157035  Solanum umbelliferum L. Constance; R. Bacigalupi; S. Carlquist; R. Moran; R. L. Rodriguez; J. P. Tracy 1951-6-16 3396 Siskiyou North slope of Little Grayback, Takilma-Happy Camp road 1463 Comment
  CDA8704  Solidago californica R. P. Allen 1952-7-31 Siskiyou McCloud. 0 Comment
  CAS-BOT-BC365570  Solidago elongata Lewis S. Rose 1937-7-26 37604 Siskiyou McCloud 1005 Comment
  HSC96300  Solidago elongata Gordon Leppig 1998-8-14 1014 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  JEPS32422  Solidago elongata Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou upper Sacramento (Sisson); Region of the Upper Sacramento, Sisson Comment
  JEPS80578  Solidago elongata Gilbert Muth 1965-8-3 146 Siskiyou Marble Valley , Marble Valley (Marble Mt. Wilderness Area) 1792 Comment
  POM57043  Solidago multiradiata E. B. Copeland 1903-8-18 3843 Siskiyou Mt. Eddy. Comment
  UC133241  Solidago multiradiata E. B. Copeland 1903-8-18 3843 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC365249  Solidago velutina subsp. californica Geo. D. Butler 1910-7-30 1800 Siskiyou Yreka Creek Comment
  OBI55485  Solidago velutina subsp. californica David J. Keil, Kathleen Keil 1992-7-21 23522 Siskiyou Klamath NF SE of Callahan. Forest Rd 40N08, 0.8 mi NW of Scott Mtn summit Comment
  SEINET13695055 Image available Sonchus arvensis T. C. Fuller 1963-8-27 11162 Siskiyou Perennial in scattered patches on roadside, S. side of Dorris-Tulelake Road where the roadbed forms the N. shore of Lower Klamath Lake, Lower Klamath Lake Wildlife Refuge, 12 mi. W. of Hatfield Comment
  JEPS44988  Sorbus californica Geo. D. Butler 1908-8-26 282 Siskiyou head of Etna Creek 1676 Comment
  CAS-BOT-BC157319  Sorbus californica W. R. Dudley 1901-8-23 s.n. Siskiyou 1st ravine north of Amphitheatre below Caribou Glacier Comment
  CAS-BOT-BC158926  Sorbus scopulina Alice Eastwood 1921-7-24 10761 Siskiyou Castle Lake Comment
  CAS-BOT-BC158940  Sorbus scopulina Doris K. Kildale 1928-7-4 5467 Siskiyou 3 miles west of Summit between Sawyers Bar and Etna Mills Comment
  HSC69211  Sorbus scopulina Maralyn A. Renner 1980-7-24 2082 Siskiyou Lily Pad Lake 1768 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
  CAS-BOT-BC390715  Spergularia rubra Louis C. Wheeler 1934-9-2 3239 Siskiyou Klamath National Forest. Miller Glade 1828 Comment
  CAS-BOT-BC390716  Spergularia rubra A. A. Heller 1915-7-18 12126 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC390721  Spergularia rubra Gilbert Muth 1966-7-14 391 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mts. 1828 Comment
  RSA0097340  Spergularia rubra L. C. Wheeler 1934-9-2 3239 Siskiyou Miller Glade, Siskiyou Mts. 1829 Comment
  JEPS24789  Spiraea douglasii Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6797 Siskiyou 6.2 mi above and sw of junction with road to Gumboot Lake (along road to Castle Lake, in drainage of Scott Camp Creek); road to Castle Lake, drainage of Scott Camp Creek, Gumboot L 1432 Comment
  RSA1888  Spiraea douglasii Carl B. Wolf 1930-10-22 1754 Siskiyou 1 mile W of Mt Shasta City. 1067 Comment
  RSA304937  Spiraea douglasii James R. Shevock 1972-7-26 2226 -A Siskiyou Along the Klamath River. 518 Comment
  UC455174  Spiranthes porrifolia I. J. Condit 1911-7-17 Siskiyou Shasta Retreat Comment
  HSC78331  Spiranthes romanzoffiana L. P. Janeway 1983-9-11 667 Siskiyou Poker Flat, seep at NW side 1524 Comment
  HSC27640  Stachys pycnantha Carl W. Mize 1972-6-21 74 Siskiyou Along main trail 305 Comment
  HSC27628  Stachys pycnantha Carl W. Mize 1972-8-17 102 Siskiyou Above Gates Creek 488 Comment
  HSC67726  Stachys rigida John Palmer 1980-8-12 688 Siskiyou SE of Ward's Gap. 1189 Comment
  RSA463107  Stachys rigida subsp. rigida S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs. 5 miles NW of McCloud. Shasta-Trinity National Forest. S of Mt. Shasta. (E 1/2 of Section ) 1768 Comment
  JEPS82444  Stenanthium occidentale Gilbert Muth 1966-7-19 427 Siskiyou Marble Gap Trail Marble Mt. Wilderness Area (along first bluff) 1828 Comment
  CAS-BOT-BC516468  Stenanthium occidentale Gilbert Muth 1966-7-19 427 Siskiyou Marble Gap Trail, along 1st bluff, Marble Mts. 1828 Comment
  HSC77094  Stenanthium occidentale K. T. Stillman 1976-8-7 364 Siskiyou Marble Mtn. Wilderness Area, trail to Marble Valley Guard Station Comment
  CAS-BOT-BC375642  Stephanomeria lactucina Alice Eastwood 1912-7-17 1207 Siskiyou Sisson Comment
  CDA19964  Stephanomeria lactucina B. Villegas 2002-6-29 s.n. Siskiyou Northern California; near Mt Shasta City. 0 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
  UCD136235  Stephanomeria paniculata L. D. Gottlieb 1966-7-24 6679 Siskiyou Shasta Ski Bowl Road, near 1.25 mile post, Mt. Shasta. 1219 Comment
  CAS-BOT-BC375943  Stephanomeria virgata Louis C. Wheeler 1934-7-17 2912 Siskiyou Klamath National Forest. Cottonwood Cr. 1036 Comment
  HSC102712  Stipa thurberiana J. P. Smith 2013-6-17 13745 Siskiyou Cinder Pit Road, 0.6 miles from its junction with County Road A12. 1123 Comment
  CAS-BOT-BC87858  Streptanthus tortuosus Marion Ownbey; Fred G. Meyer 1940-7-3 2162 Siskiyou 5 miles northwest of McCloud. Comment
  CAS-BOT-BC87862  Streptanthus tortuosus Carl B. Wolf 1934-7-4 5924 Siskiyou Klamath River, 3 miles below the Bar Creek. 213 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
  LA51446  Streptanthus tortuosus C. L. Hitchcock; J. P. Martin 1939-7-7 5281 Siskiyou on side of Sanger Peak 1645 Comment
  SDSU1282  Streptanthus tortuosus var. orbiculatus D. F. Howe 1962-8-6 3399 Siskiyou Mt. Shasta, Shasta National Forest. 2438 Comment
  HSC61980  Streptanthus tortuosus var. tortuosus Al Hobart 25 Sep [year missing] Siskiyou Preston Peak 1677 Comment
  HSC67675  Streptopus amplexifolius John Palmer 1980-7-24 596 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  UC163669  Suaeda calceoliformis Geo. D. Butler 1910-8-21 1845 Siskiyou Shasta Valley Comment
  HSC25  Suksdorfia ranunculifolia William J. Ferlatte 1966-6-22 70 Siskiyou Josephine Lake Basin 1677 Comment
  HSC8431  Swertia albicaulis R. C. Wunner 1965-6-10 145 Siskiyou Calif. Lava Beds National Monument, E side of Caldwell Butte, 1/4 mi. from the top 1494 Comment
  JEPS25841  Swertia albicaulis var. nitida Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7456 Siskiyou about 13 air mi nw Happy Camp (on jeep-road along Del Norte-Siskiyou co. boundary (ridge top) dividing Indian Ck drainage from that of Illinois Riv--leading to Twin Valley) 1584 Comment
  SD53388  Swertia albicaulis var. nitida Darley F. Howe 1962-8-4 3389 Siskiyou Near summit of Baldy Mountain. 1737 Comment
  UC221723  Swertia albicaulis var. nitida H. E. Brown Jul 15 1897-Jul 31 1897 545 Siskiyou s side Mt. Shasta 1524 Comment
  RSA428925  Symphoricarpos acutus Chadwick, Chadwick 1911-07 1931 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC269625  Symphoricarpos albus var. laevigatus L. E. Smith 1914-7-6 754 Siskiyou Cantara Comment
  SFV5157  Symphoricarpos albus var. laevigatus B. C. Templeton 1960-6-21 8525 a Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  HSC40421  Symphyotrichum ascendens J. O. Sawyer 1973-7-16 2539 Siskiyou Wooley Creek at junction with Bridge Creek. Comment
  JEPS40764  Symphyotrichum bracteolatum Geo. D. Butler 1910-8-13 1828 Siskiyou Oro Fino Comment
  UC1540178  Symphyotrichum frondosum Dean W. Taylor 1987-8-9 9291 Siskiyou along Highway 161 8.3 mi w from Highway 139 Lower Klamath National Wildlife Refuge 1249 Comment
  CAS-BOT-BC97945  Symphyotrichum frondosum Grant 1902-9-15 5235 Siskiyou Shasta Spr. 762 Comment
  UC933469  Symphyotrichum hendersonii Annie M. Alexander 1948-9-9 5617 Siskiyou meadow at start of 2 mile trail to Taylor Lake from Cook & White Mine Taylor Lake; Siskyou Mountains 1584 Comment
  CAS-BOT-BC98435  Symphyotrichum spathulatum Doris K. Kildale 1929-8-24 8810 Siskiyou Young's Valley, trail to Preston Peak 1371 Comment
  CHSC97395  Taraxia tanacetifolia Jenny Marr 2006-6-18 231 Siskiyou Cascade Range High. Plants collected along Hwy. 97. 1524 Comment
  CAS-BOT-BC81349  Taxus brevifolia John Thomas Howell 1937-7-26 13563 Siskiyou Between Big Flat and Caribou Gulch Comment
  CAS-BOT-BC85244  Taxus brevifolia Doris K. Kildale 1929-7-20 8661 Siskiyou Trail up South Fork Indian Creek to Elk Lick Comment
  RSA384696  Taxus brevifolia J. P. Smith 1974-5-25 7453 Siskiyou Near junction of Road 8 and French Creek Road. 1280 Comment
  HSC20424  Tellima grandiflora Geo. D. Butler 1909-7-15 896 Siskiyou Highland Mine Comment
  RSA768777  Tetradymia canescens L. Ahart, John Dittes 2010-7-30 16971 Siskiyou Shasta Big Springs Ranch, 2.6 air miles northwest of Big Springs Lake, 3.9 air miles southeast of Grenada, 6.3 air miles northeast of Dwinnel Dam. 779 Comment
  CAS-BOT-BC88062  Thelypodium brachycarpum A. A. Heller 1905-6-9 8011 Siskiyou Montague. Comment
  SBBG56282  Thelypteris nevadensis A. Lefebure 1941-10-11 Siskiyou E fork Horse Crk Comment
  JEPS46260  Thermopsis A. E. Wieslander 1928-6-12 Siskiyou near Slate Creek; Siskiyou Mts., Klamath National Forest Comment
  CHSC91613  Thlaspi montanum var. montanum G. Douglas Barbe; T. C. Fuller, J. T. Howell 1980-4-29 2653 Siskiyou Klamath Ranges. Schoolhouse Hill, summit of Gazelle-Callahan Road, 7 miles (11.3 km) east of Callahan. 1173 Comment
  JEPS81878  Thlaspi montanum var. montanum Roger Raiche 1982-7-3 20525 Siskiyou ne slope Mt. Eddy (Mt. Eddy); nw slope Mt. Eddy 1981 Comment
  CAS-BOT-BC66795  Thysanocarpus curvipes J. H. Thomas 1954-5-13 4153 Siskiyou Klamath National Forest. Salmon Mountains. Near South Fork of Salmon River, 5 to 9 miles southesat of Cecilville. 1127 Comment
  HSC31129  Tiarella trifoliata var. unifoliata J. O. Sawyer 1971-8-19 2453 Siskiyou On trail to Marble Valley near Lovers Camp. 1311 Comment
  JEPS62178  Tofieldia occidentalis subsp. occidentalis W. L. Jepson 1894-7 Siskiyou wet swamp at Sisson Comment
  UC163801  Tofieldia occidentalis subsp. occidentalis Geo. D. Butler 1910-7-9 1702 Siskiyou pond, Shackleford Creek 1219 Comment
  JEPS49716  Tolmiea diplomenziesii W. L. Jepson 1907-7-19 2940 Siskiyou Happy Camp Trail Siskiyou Mts. (headwaters of Indian Creek) Comment
  UC164324  Tonella tenella Geo. D. Butler 1909-4-18 626 Siskiyou near Yreka Comment
  SEINET10810172  Torreyochloa pallida var. pauciflora Louis C. Wheeler 1935-7-26 Wheeler 3714 Siskiyou Siskiyou Mts., Jaynes Canyon. Wet sunny meadow. Mt. Diablo Mer. S 12 T 47 N, R 10 W. 1951 Comment
  OBI53788  Tragopogon dubius David J. Keil 1992-7-20 23470 Siskiyou W side of Scott Valley, 4.9 mi N of Etna along Calif Rte 3 875 Comment
  CAS-BOT-BC519570  Triantha occidentalis subsp. occidentalis Doris K. Kildale 1929-8-24 9036 Siskiyou Rattlesnake Meadow, Preston Peak 1524 Comment
  CHSC71487  Trichostema oblongum Vernon H. Oswald; Lowell Ahart 1998-7-21 9358 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
  JEPS24010  Trichostema simulatum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6871 Siskiyou 4.7 mi below (N of) Scott Mountain Road summit (along road just S of and above Callahan) 1127 Comment
  UC1101403  Trifolium cyathiferum Herbert L. Mason 1948-7-17 13604 Siskiyou eastern Grass Lake Comment
  CHSC35548  Trifolium dubium James P. Smith 1973-5-5 6544 Siskiyou Scott Bar along the Scott River. Comment
  HSC104145  Trifolium howellii Dana York 2011-8-14 3078 Siskiyou Klamath National Forest, Marble Mountain Wilderness, 230 m W-SW of Black Marble Mountain 2220 Comment
  HSC77108  Trifolium howellii K. T. Stillman 1976-7-31 355 Siskiyou Marble Mountain Wilderness Area, Ridge N of Jump off, 1/2 mi. S of Paradise Lake Comment
  RSA261447  Trifolium howellii J. M. Tucker, D. V. Hemphill 1974-7-27 4299 Siskiyou Near Haypress Creek, Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  UC375415  Trifolium hybridum Geo. D. Butler 1908-7-2 382 Siskiyou near Yreka Comment
  UC866815  Trifolium hybridum A. A. Heller 1916-6-20 12415 Siskiyou Metcalf's Ranch ne base of Mt. Eddy 91 Comment
  UC1607584  Trifolium longipes Barbara Ertter 1990-7-14 9314 Siskiyou ca 4 air mi due w Mt. Shasta City (at end of FR 41N53 ca 1 mi n of Morgan Meadows); east side of Mt. Eddy; w center Comment
  HSC18999  Trifolium longipes J. O. Sawyer 1969-7-11 1343 Siskiyou Along trail to Sugar Lake 1707 Comment
  UC631140  Trifolium longipes var. shastense A. A. Heller 1920-6-28 13404 Siskiyou e side Mt. Eddy (trail to Wagaon Creek Falls) 1371 Comment
  HSC43823  Trifolium macrocephalum Maralyn O'Meara 1974-5-27 477 Siskiyou Along Rd. 47N03 Comment
  JEPS118116  Trifolium pratense Dean W. Taylor 2004-7-19 19190 Siskiyou Weed, wet meadow just east of town limits along Boles Creek 1051 Comment
  RSA105359  Trifolium productum Douglas Barbe 1955-7-9 154 Siskiyou South shore of Kangaroo Lake, Scott Mountains 1829 Comment
  POM222616  Trifolium repens H. P. Bracelin 1931-6-20 433 Siskiyou Metcalf Ranch, Mt. Eddy. Comment
  UC454709  Trifolium willdenovii I. J. Condit 1911-7-31 Siskiyou Shasta Retreat Comment
  RSA582435  Trifolium wormskioldii Louis C. Wheeler 1935-7-13 3660 Siskiyou Ager Comment
  UC164026  Trillium albidum Geo. D. Butler 1910-4-3 1168 Siskiyou Humbug Creek Comment
  CAS-BOT-BC133467  Trillium ovatum D. E. Breedlove 1962-6-10 3291 Siskiyou Along Indian Creek Road from O'Brien to Happy Camp, 19.9 miles northwest of Happy Camp; Siskyou Mountains 1402 Comment
  HSC18872  Trillium ovatum J. O. Sawyer 1968-9-13 723 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  JEPS96991  Trillium ovatum Dean W. Taylor 1999-6-9 17230 Siskiyou Siskiyou Mountains, ca. 5 air miles WSW Hilt, very headwaters of South Fork Hungry Creek 1371 Comment
  RSA234818  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1967-7-6 149 Siskiyou Off Music Creek logging road, Statue Creek spur along Statue Creek. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1878 Comment
  RSA234819  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-5 932 Siskiyou Northeast shore of Taylor Lake. Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CDA15527  Trisetum canescens G. F. Hrusa 1998-7-5 14695 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Perennial in dry deep shade of woods, growing in soft duff. Mile 8.2. Comment
  HSC30531  Trisetum canescens Frederick W. Oettinger 1969-9-5 1682 Siskiyou Salmon Mtns., Salamander Pond near Abbott Lake. 1677 Comment
  HSC48279  Trisetum canescens Ken Stillman, J. O. Sawyer 1978-7-6 1036 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  UCD93490  Trisetum canescens Geo. D. Butler 1910-7-12 1753 Siskiyou Shackleford Creek. Comment
  CAS-BOT-BC200264  Trisetum spicatum Wm. Bridge Cooke 1938-8-18 11485 Siskiyou Horse Camp Springs. Around the southwest side of Shasta Comment
  HSC26705  Trisetum spicatum William J. Ferlatte 1971-9-18 1384 Siskiyou Caribou Basin. 2226 Comment
  UC53708  Trisetum spicatum W. L. Jepson 1895-1 Siskiyou Shasta Comment
  UCD93739  Trisetum spicatum A. H. Murphy 1959-7-21 59 E Siskiyou Shasta National Forest. Deadfall Lake area. 2225 Comment
  POM109809  Triteleia hyacinthina Geo D. Butler 1910-5-27 1415 Siskiyou Shasta Valley Comment
  UC766338  Triteleia ixioides subsp. anilina W. Bridge Cooke 1940-6-6 15083 Siskiyou along Castle Lake Road Comment
  HSC44785  Triteleia ixioides subsp. scabra S. Horner 1978-7-5 416 Siskiyou Intersection of Sand Flat Well Rd. with 40N05 1280 Comment
  HSC29677  Tsuga mertensiana Frederick W. Oettinger 1968-9-2 669 Siskiyou Marble Mtn. Wilderness Area, E of inlet To Upper English Lake, Bulk Collection 53 1829 Comment
  CAS-BOT-BC91275  Umbellularia californica Marion Ownbey; Fred G. Meyer 1940-7-8 2223 Siskiyou Along Indian Creek, 12 miles above Happy Camp. Comment
  HSC36687  Umbellularia californica Brent Whitely 1975-6-20 4 Siskiyou 223 Comment
  CAS-BOT-BC199182  Vaccinium cespitosum W. R. Dudley 1901-8-18 s.n. Siskiyou Shores of Jackson Lake, Salmon Mts. Comment
  HSC19520  Vaccinium cespitosum J. O. Sawyer 1969-7-18 1161 Siskiyou E of Waterdog Lake 2012 Comment
  HSC67683  Vaccinium cespitosum John Palmer 1980-7-24 624 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  CAS-BOT-BC199233  Vaccinium membranaceum Wm. Bridge Cooke 1940-6-6 15032 Siskiyou Along the Castle Lake Road Comment
  HSC60771  Vaccinium membranaceum Ruby Van Deventer 1962-8-14 Siskiyou Bell Echo Camp in Youngs Valley Comment
  RSA238859  Vaccinium membranaceum Frederick W. Oettinger 1969-7-14 1013 a Siskiyou Common around Charmaine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC27969  Vaccinium parvifolium Carl W. Mize 1972-9-24 129 Siskiyou 732 Comment
  HSC73316  Vaccinium parvifolium Gail Newton 1980-6-20 496 Siskiyou Near Bald Mtn. 1097 Comment
  CAS-BOT-BC199528  Vaccinium uliginosum W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar and Warm Castle, near McCloud Comment
  HSC91095  Valeriana californica Jennifer Whipple 1976-6-19 1058 Siskiyou Mt. Eddy, near Dobkins Lake 2073 Comment
  HSC76701  Valeriana sitchensis subsp. sitchensis K. T. Stillman 1976-8-7 212 Siskiyou Marble Mtn. Wilderness Area. 1951 Comment
  HSC29265  Vancouveria hexandra Frederick W. Oettinger, R. F. Thorne 1969-8-6 1232 Siskiyou Marble Mtn. Wilderness Area, NW of Pine Lake 1860 Comment
  CAS-BOT-BC527989  Veratrum Doris K. Kildale 1928-8-19 6501 a Siskiyou English Lake, head of north fork of Salmon River Comment
  HSC36208  Veratrum californicum var. californicum John Rehling 1975-8-11 104 Siskiyou S end of Little Duck Lake 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
  HSC86427  Veratrum viride D. K. Imper Jul 1987 Siskiyou Marble Mtn. Wilderness Area, Haypress Meadow, 8 mi. E of Somes Bar 1372 Comment
  SBBG25933  Veratrum viride D. Myrick 1966-8-10 1515 Siskiyou near stream on Salmon Crk Trail, Mountain Meadow Ranch, Big Flat, Trinity Alps. 1676 Comment
  HSC30442  Veratrum viride Frederick W. Oettinger 1969-9-2 1592 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow near Tom Tyler Cabin 1997 Comment
  RSA237911  Veratrum viride Frederick W. Oettinger 1969-9-4 1648 Siskiyou Tobacco Lake Meadow. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA50160  Verbascum blattaria E. K. Balls 1949-7-10 13952 Siskiyou Eddy's Gulch, 2 miles from Sawyer's Bar on road to Cecilville. 762 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
  SEINET9225188  Verbena lasiostachys G. D. Butler 1910-7-2 1621 Siskiyou Yreka. Comment
  JEPS39081  Verbena lasiostachys var. lasiostachys Geo. D. Butler 1908-6-26 83 Siskiyou Butler Ranch near Yreka Comment
  HSC19340  Veronica americana J. O. Sawyer 1969-7-11 859 Siskiyou Ravine above C.C.C. road. 1280 Comment
  JEPS74569  Veronica americana W. J. Ferlatte 1966-6-23 132 Siskiyou Trinity Alps, Yellow Rose Mine Yellow Rose Mine; Trinity Alps, Yellow Rose Mine 1981 Comment
  JEPS7875  Veronica copelandii Geo. D. Butler 1908-8-8 30 Siskiyou summit s of Marble Mountain 1828 Comment
  HSC73320  Veronica peregrina subsp. xalapensis Gail Newton 1980-6-20 458 Siskiyou Near Bald Mtn. 1097 Comment
  JEPS16473  Veronica peregrina subsp. xalapensis Geo. D. Butler 1909-5-2 692 Siskiyou Yreka Comment
  SBBG30562  Veronica persica D. Myrick 1968-6-24 2003 Siskiyou Mountain Meadow Ranch, Big Flat, Coffee Crk; Trinity Alps 1524