Search Results — 2000 specimen records retrieved (1346 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
  CAS-BOT-BC77939  Abies amabilis Gilbert J. Muth 1969-8-5 1274 Siskiyou Ridge above Deep Lake 2194 Comment
  HSC4981  Abies amabilis J. O. Sawyer 1968-7-22 525 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  RSA761839  Abies amabilis Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63375 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  CAS-BOT-BC419723  Abies concolor Julie Kierstead Nelson; Keli McElroy 2012-8-10 2012 -073 Siskiyou NW side of Gumboot Lake. 1853 Comment
  CAS-BOT-BC73503  Abies concolor Elmer I. Applegate 1935-6-6 9368 Siskiyou North slope of Caldwell Butte, Lava Beds National Monument. Comment
  SEINET3869603  Abies concolor Alv Dan Youngberg 1964-8-17 66 Siskiyou Growing at West Branch Guard Station. Humboldt Meridian.; 0 Comment
  CHSC27349  Abies lasiocarpa T. B. Devine 1976-10-23 364 Siskiyou NW side of Little Duck Lake, 10 ft from water line. 2042 Comment
  HSC4998  Abies lasiocarpa J. O. Sawyer 1969-8-4 1921 Siskiyou Headwaters of S Sugar Creek. 2043 Comment
  HSC5001  Abies lasiocarpa J. O. Sawyer 1969-8-2 1696 Siskiyou Slopes W of Little Duck Lake 2226 Comment
  HSC81890  Abies lasiocarpa var. lasiocarpa D. V. Hemphill 1986-7-18 Siskiyou S of Mavis Lake Comment
  JEPS88680  Abies lasiocarpa var. lasiocarpa Donald V. Hemphill 1971-8-16 Siskiyou Deep Lake-Second Valley Trail Klamath National Forest, Scott Bar. Quad. 2194 Comment
  SD76203  Abies magnifica Helen V. Witham 1969-10-9 639 Siskiyou Mount Shasta, in area signed Red Fir Forest 2100 Comment
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Jul 10 2010
  RSA0091809  Abies magnifica var. shastensis Bonnie C. Templeton 1968-6-13 11332 Siskiyou Mount Shasta, near Panther Meadows. 2835 Comment
  SDSU1514  Abies procera D. F. Howe 1969-9-12 4675 Siskiyou West side of Little Grayback. 1524 Comment
  CAS-BOT-BC203223  Abutilon W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Comment
  HSC68464  Acer circinatum Maralyn A. Renner 1980-7-5 1532 Siskiyou Doe Flat 1220 Comment
  CAS-BOT-BC331048  Acer glabrum var. glabrum Wm. Bridge Cooke 1938-6-17 11003 Siskiyou Mount Shasta; Sisson Southern Trail. 1981 Comment
  UC637141  Acer glabrum var. glabrum Edward Lee 1934-8-13 1078 Siskiyou Happy Camp to Waldo (Oregon) road Klamath National Forest, West Branch Indian Creek watershed (watershed of West Branch of Indian Creek, Klamath National Forest) 1463 Comment
  CAS-BOT-BC330990  Acer glabrum var. glabrum Elmer I. Applegate 1923-9-7 3969 Siskiyou Siskiyou Mountains, Klamath River Watershed. Comment
  HSC31803  Acer glabrum var. torreyi Steve Selva, Roger Jensen 1974-8-16 1 Siskiyou N facing slopes above Sugar Lake Comment
  JEPS86134  Acer glabrum var. torreyi Wayne Roderick 1956-2 Siskiyou near start of trail to Little Castle Lake (Castle Lake); Castle Lake 1676 Comment
  RSA181623  Acer glabrum var. torreyi Dorothy Parker 1950-6-4 447 Siskiyou Salmon Mountain 1921 Comment
  CAS-BOT-BC332782  Acer macrophyllum Carl B. Wolf 1927-8-26 1037 Siskiyou On the Klamath River, 4 mi N of Gottville Comment
  UC1045289  Acer macrophyllum W. Bridge Cooke 1940-7-12 15306 Siskiyou near Mount Shasta City (near the Box Canyon of the Sacramento); Box Canyon of the Sacramento, near Mount Shasta City 914 Comment
  CAS-BOT-BC18864  Achillea millefolium David D. Keck 1940-6-13 5177 Siskiyou 9 mi. S of Macdoel, on U.S. 97 between Dorris and Weed 1463 Comment
  CAS-BOT-BC28857  Achillea millefolium William Bridge Cooke 1939-8-10 13873 Siskiyou In one small area on the west bank of Mud Creek Canyon 2895 Comment
  HSC22300  Achillea millefolium J. O. Sawyer 1969-8-1 1641 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  UCR47891  Achillea millefolium Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  RSA105392  Achillea millefolium G. D. Barbe 1955-7-7 s.n. Siskiyou South of Forest Camp, Etna 884 Comment
  HSC44579  Achlys triphylla Laura Witherspoon 1977-7-16 Siskiyou Copper Creek Area. 1128 Comment
  CAS-BOT-BC216920  Achnatherum occidentale John Thomas Howell 1939-8-6 15087 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  CAS-BOT-BC216926  Achnatherum occidentale A. A. Heller 1916-6-22 12427 Siskiyou Near Black Butte N of Sisson 1127 Comment
  CAS-BOT-BC210863  Achnatherum occidentale subsp. californicum Alice Eastwood 1912-7-15 1131 Siskiyou McCloud Comment
  UC1037095  Achnatherum occidentale subsp. occidentale Leo Whitney 1934-6-29 2193 Siskiyou near Tennant (Antelope Creek); Antelope Creek 1463 Comment
  CAS-BOT-BC218016  Achnatherum thurberianum Elmer I. Applegate 1935-6-8 9437 Siskiyou Bearpaw Cave, Lava Beds National Monument Comment
  HSC71465  Acmispon micranthus J. P. Smith 1973-5-5 6379 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  HSC44714  Acmispon nevadensis J. O. Sawyer, E. Cope 1977-6-18 2915 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  UC136276  Aconitum columbianum E. B. Copeland 1903-8-13 3896 Siskiyou Sisson (Mt. Shasta City); ; Sisson (Mt. Shasta City), Siskiyou Co. Comment
  UC1333335  Aconitum columbianum Dorothy Parker 1949-8-3 355 Siskiyou around edges Paradise Lake; Siskiyou Mts., Salmon Mt., Paradise Lake 1981 Comment
  CAS-BOT-BC391540  Aconitum columbianum subsp. columbianum Alice Eastwood 1912-7-17 1189 Siskiyou Sisson Comment
  CAS-BOT-BC391523  Aconitum columbianum subsp. columbianum Wm. Bridge Cooke 1938-7-29 11420 Siskiyou Mount Shasta. Wagon Camp. In the Wagon Camp meadow. Also at Bear Springs Comment
  HSC61850  Aconitum columbianum subsp. columbianum Ruby Van Deventer 1938-7-21 Siskiyou Poker Flat 1768 Comment
  CAS-BOT-BC391587  Aconitum columbianum subsp. viviparum Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  JEPS123409  Aconitum columbianum subsp. viviparum Julie Kierstead Nelson with Robin Fallscheer 2015-8-13 2015 -134 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. Comment
  RSA68899  Aconitum columbianum var. columbianum A. E. Culbertson 1943-7-12 58 Siskiyou Castle Lake, in a north facing cirque with a abrupt 1000' backwall; 14 miles SW of Mt. Shasta on N side of a 6600' eastern spur of Trinity Mts.; 2000 ft. above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  UCD77303  Actaea rubra Robert E. Preston 2001-7-20 1692 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W se 1/4 of ne 1/4 Section 14 1743 Comment
  UCSB25639  Actaea rubra Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp. 1402 Comment
  CAS-BOT-BC29324  Adenocaulon bicolor W. B. Cooke; V. G. Cooke 1962-8-17 33525 Siskiyou Bear Springs, Mount Shasta 1524 Comment
  CAS-BOT-BC68962  Adiantum aleuticum H. A. Thomas; J. H. Thomas 1954-7-23 4468 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. Vicinity of Blind Horse Creek. 1036 Comment
  SEINET3153138  Adiantum aleuticum G. B. Grant 25 Siskiyou Shasta Springs, No. Cent. Cal. Comment
  UCR9591  Aegilops cylindrica D. O. Clark 1970-6-23 s.n. Siskiyou Montague, NE corner of Spiers and 9th Streets Comment
  CHSC114933  Aegilops cylindrica D. B. Joley 1976-6-24 1 Siskiyou Montague. Comment
  HSC49956  Agastache parvifolia G. L. Clifton, Ground 1978-6-19 1310 Siskiyou Near Bray, close to the town of Macdoel 1403 Comment
  UC164008  Agastache urticifolia Geo. D. Butler 1910-6-7 1533 Siskiyou Moffit Creek Comment
  HSC29314  Agastache urticifolia Frederick W. Oettinger 1969-7-31 1117 Siskiyou Marble Mtn. Wilderness Area, NNW of English Lake outlet 1806 Comment
  JEPS95036  Ageratina occidentalis Vernon Oswald and Lowell Ahart 1997-7-28 8776 Siskiyou 14.5 mi s of Medicine Lake (Forest Route 49 (Powder Hill Road) 1.5 mi n of 41N03 to Porcupine Butte); Forest Route 49 (Powder Hill Road) 1371 Comment
  CAS-BOT-BC21326  Agoseris aurantiaca var. aurantiaca Annie M. Alexander; Louise Kellogg 1949-7-22 5839 Siskiyou Trail to Kings Castle, top of ridge, Paradise Lake, Marble Mountains 1920 Comment
  CAS-BOT-BC21374  Agoseris aurantiaca var. aurantiaca John Thomas Howell 1939-8-4 15030 Siskiyou Between Elk Mt. and Marble Rim, Marble Mts. Comment
  UC75991  Agoseris aurantiaca var. aurantiaca Milo S. Baker 1897-8-1 144 Siskiyou Payne's Springs Payne's Springs Comment
  SEINET11854996  Agoseris grandiflora J. P. Tracy 1949-1 18555 Siskiyou 1.5 mi up Taylor Creek from mouth (branch of E Fork of S Fork Salmon R.) Sec.14 T38N R11W, .. 914 Comment
  CAS-BOT-BC15381  Agoseris grandiflora var. grandiflora Alice Eastwood 1912-7-17 1171 Siskiyou Sisson Comment
  UC1090383  Agoseris grandiflora var. grandiflora Milo S. Baker 1957-6-15 13107 Siskiyou just s Weed ((road cut)); North Coast Ranges Comment
  CAS-BOT-BC15344  Agoseris heterophylla Alice Eastwood 1923-5-20 11862 Siskiyou Shasta Springs Comment
  CAS-BOT-BC22776  Agoseris heterophylla George Dexter Butler 1910-5-23 1402 Siskiyou Near Yreka Comment
  UC618704  Agoseris monticola W. B. Cooke 1938-9-8 8200 Siskiyou near, in lava fields South Gare Springs; Mt. Shasta 2499 Comment
  JEPS36266  Agoseris retrorsa Geo. D. Butler 1908-7-20 302 Siskiyou Humbug Creek Comment
  CAS-BOT-BC126993  Agrostis exarata Melissa A. Berry 1957-7-8 s.n. Siskiyou South Russian Creek at Power House. 822 Comment
  UC1025005  Agrostis exarata Leo Whitney 1935-7-15 3468 Siskiyou 2 mi se Medicine Lake; Bullseye Lake Comment
  JEPS73751  Agrostis gigantea Geo. D. Butler 1909-8-16 861 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC139350  Agrostis idahoensis G. J. Muth 1969-8-10 1313 Siskiyou Ridge west of Boulder Peak. 2225 Comment
  UC1265414  Agrostis idahoensis F. W. Oettinger 1968-9-7 765 Siskiyou Tobacco Lake Salmon Mountains, Tobacco Lake (w Siskiyou) 1889 Comment
  CAS-BOT-BC138937  Agrostis pallens W. R. Dudley 1901-8-18 s.n. Siskiyou Jackson's Lake. Comment
  RSA239064  Agrostis pallens Frederick W. Oettinger 1969-9-2 1587 Siskiyou Bear Meadow near Tom Taylor Cabin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  RSA239088  Agrostis pallens Frederick W. Oettinger 1969-8-16 1390 b Siskiyou near Upper English Lake? The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  SEINET7594102 Image available Agrostis pallens F. W. Oettinger 1969-1 1390 b Siskiyou near Upper English Lake, Salmon Mountains 1768 Comment
  SEINET7594105 Image available Agrostis pallens F. W. Oettinger 1969-1 1377 Siskiyou inlet to English Lake, Salmon Mountains 1753 Comment
  CAS-BOT-BC138357  Aira caryophyllea var. caryophyllea Louis C. Wheeler 1934-6-4 2647 Siskiyou Siskiyou Mountains. Horse Creek. 762 Comment
  RSA577792  Allium acuminatum L. C. Wheeler 1935-5-11 3489 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  JEPS82705  Allium bolanderi Wayne Roderick 1984-6-6 Siskiyou on old highway about 5 mi from Gazelle Comment
  SBBG844  Allium falcifolium K. K. Muller 1954-6-23 645 Siskiyou summit ca. 3.5 mi S of Oregon line on road to Happy Camp, Siskiyou Mtns Comment
  CAS-BOT-BC469241  Allium falcifolium Roxana S. Ferris; Laura Lorraine 1948-6-12 11840 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle 1499 Comment
  RSA47799  Allium falcifolium Roxana S. Ferris, Laura Lorraine 11716 Siskiyou Schoolhouse Hill, Plowman s Valley (Noyes Valley), E Fork of Scott River. Comment
  CAS-BOT-BC474036  Allium parvum Dorothy Parker 1946-4-11 122 Siskiyou Plowman's Valley 1188 Comment
  CHSC118639  Allium siskiyouense Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -005 Siskiyou Lower Parks Creek watershed, E Klamath Range, along Forest Service Road 42N19, 3 miles northwest of Stewart Springs. UTM NAD 83 Zone 10, 539294m E, 4586547m N. 1376 Comment
  UC803882  Allium validum G. L. Stebbins Jr. with P. Dansereau, C. McMillan, and K. Narayan 1949-8-9 4021 Siskiyou 10 mi w Weed (along Park's Creek, above Stewart Springs); Park's Creek 1219 Comment
  HSC30438  Allium validum Frederick W. Oettinger 1968-8-1 343 Siskiyou Salmon Mtns., S shore of Little Hancock Lake 2043 Comment
  RSA233699  Allium validum Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38961 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  SEINET3151668  Allocarya californica G. D. Butler 1910-5-29 1424 Siskiyou Damp place near Yuka. Comment
  CAS-BOT-BC171403  Alnus incana subsp. tenuifolia J. H. Chastain 1918-3-1 s.n. Siskiyou Gazelle Comment
  RSA299414  Alnus incana subsp. tenuifolia W. L. Jepson 1914-8-13 5795 Siskiyou Sisson. 1098 Comment
  UCR18793  Alnus incana subsp. tenuifolia John C. Roos 1945-9-1 3953 Siskiyou Salmon Mountains, mountains southwest of Etna 1829 Comment
  HSC33980  Alnus rhombifolia J. P. Smith 1974-5-25 7442 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  HSC65130  Alnus rhombifolia J. P. Smith, Steve Selva 1970-7-15 4348 Siskiyou Klamath National Forest, road to Happy Camp. 732 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
  CLARK-A1528-7858  Alnus tenuifolia John C. Roos 1948-9-1 3953 Siskiyou Etna Comment
  SEINET12027701  Alnus viridis subsp. sinuata H. P. Chandler 1901-1 1618 Siskiyou near Marble Mountain, North Coast Ranges 2134 Comment
  UC166283  Alyssum alyssoides Geo. D. Butler 1910-5-15 1341 Siskiyou near Yreka Comment
  UCD114088  Alyssum alyssoides Jean Langenheim 1957-5-19 4341 Siskiyou Along road between Gazelle and Callahan. Comment
  RSA245268  Amaranthus blitoides J. P. Smith, J. Sawyer 1972-9-14 5797 Siskiyou Miners Creek Road just south of French Creek Road between Callahan and Etna 915 Comment
  OBI55534  Ambrosia artemisiifolia David J. Keil, Kathleen Keil 1992-7-24 23564 Siskiyou E of McCloud along hwy 89, 22.6 mi W of Shasta County line Comment
  HSC69210  Amelanchier alnifolia Maralyn A. Renner 1980-7-24 2081 Siskiyou Lily Pad Lake 1768 Comment
  CAS-BOT-BC136716  Amelanchier alnifolia var. pumila Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Mumbo Lake, Trinity Mts. 1828 Comment
  HSC41460  Amelanchier alnifolia var. semiintegrifolia J. P. Smith 1973-5-5 6554 Siskiyou Scott Bar along the Scott River 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
  CDA25701  Amelanchier pallida T. C. Fuller 1962-6-13 8976 Siskiyou Highway 89 to McCloud 1.2 miles west of Bartle. 0 Comment
  HSC44953  Amelanchier pallida J. O. Sawyer 1978-6-15 3210 Siskiyou Marble Mtn. Wilderness Area, ridge NE of Cash Lake on Stanshaw-Sandy Ridge Trail 1793 Comment
  HSC4963  Amelanchier pallida J. O. Sawyer 1968-6-18 178 Siskiyou Above S Russian Creek on W side. 1463 Comment
  RSA47620  Amelanchier pallida Roxana S. Ferris 1948-6-12 11844 Siskiyou Gazelle Mtn grade, road betw Callahan and Gazelle. 1500 Comment
  RSA59502  Amelanchier pallida E. K. Balls 1950-5-16 14712 Siskiyou By turn off to Caldwell Caves, Lava Beds National Monument. 1463 Comment
  UCD112889  Amelanchier pallida Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou SE of Marble Mountain, Marble Mountains. 1828 Comment
  CAS-BOT-BC136920  Amelanchier utahensis Doris K. Kildale 1928-8-18 6439 Siskiyou Head of North Fork of Salmon River at Finley's Upper Camp Comment
  SBBG16035  Amelanchier utahensis D. Myrick 1961-6-20 279 Siskiyou rd to Bear Springs E of Mt Shasta City 1371 Comment
  UCD77329  Amelanchier utahensis Robert E. Preston 2001-6-23 1569 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, N slope of Rainbow Mountain at Hemlock Lake. 1889 Comment
  CHSC7144  Amsinckia intermedia Gregory Barnes 1969-4-2 3 Siskiyou Beaver Creek Campground. Siskiyou Mountains. Comment
  UC164120  Amsinckia menziesii var. menziesii Geo. D. Butler 1910-5-3 1269 Siskiyou Yreka Comment
  RSA34228  Anaphalis margaritacea C. B. Wolf 1927-8-27 1148 Siskiyou Klamath River, 10 miles above mouth of Salmon Comment
  UC165395  Ancistrocarphus filagineus Geo. D. Butler 1909-5-23 718 Siskiyou trodden plains near Yreka Comment
  CAS-BOT-BC391756  Anemone Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC391805  Anemone deltoidea John Thomas Howell 1937-7-21 13173 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC391799  Anemone deltoidea Gilbert Muth 1965-8-3 s.n. Siskiyou Pothole in Marble, Marble Valley Comment
  HSC58914  Anemone drummondii Marvin Butler 1971-7-7 56 Siskiyou Near El Capitan, close to the town of Cave Junction 1585 Comment
  UC165301  Anemone drummondii Geo. D. Butler 1910-7-8 1683 Siskiyou Marble Mt. 1676 Comment
  CAS-BOT-BC391857  Anemone drummondii Dorothy Parker 1945-6-8 75 Siskiyou Rock Fence Lake to Deadfall Comment
  HSC58898  Anemone lyallii Marvin Butler 1971-7-6 31 Siskiyou Near El Capitan 2440 Comment
  UC8901  Anemone multifida Harley P. Chandler 1901-6-1 1657 Siskiyou North Coast Ranges, Marble Mountain Marble Mountain; North Coast Ranges, Marble Mountain 2438 Comment
  CAS-BOT-BC391963  Anemone occidentalis Volney Rattan 1882-9-1 s.n. Siskiyou Mt Shasta 2438 Comment
  UCD95483  Anemone occidentalis Dean Wm. Taylor 1975-8-14 5451 Siskiyou Mt. Shasta. Between Shasta Ski area and Green Butte. 2590 Comment
  RSA238273  Anemone occidentalis Frederick W. Oettinger 1967-7-25 182 Siskiyou Ridge SSE of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2223 Comment
  UC375346  Anemone occidentalis Geo. D. Butler 1909-7-15 900 Siskiyou head of Taylor Creek; Salmon Range, Taylor Creek 2133 Comment
  CHSC30108  Anemone oregana M. S. Taylor 1980-6-4 2779 Siskiyou Cedar Lake, ca. 11 mi sw of Mt. Shasta City. 1737 Comment
  RSA470338  Angelica arguta var. arguta L. C. Wheeler 1934-8-16 3167 Siskiyou Siskiyou Mountains: 2 mi. east of White Mt. (Mt. Diablo Mer.) 1920 Comment
  CAS-BOT-BC221415  Angelica hendersonii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. Below 6440 ft. summit Comment
  SD109163  Angelica tomentosa var. tomentosa Joseph M. DiTomaso 1980-8-4 1849 Siskiyou Elk Valley Campground, end of Gasquet-Orleans Rd. from Orleans. 1340 Comment
  SEINET2030056 Image available Anisocoma acaulis C. L. Hitchcock 1940-3-23 5834 Siskiyou Red Rock Canyon Comment
  SEINET2038335  Anisocoma acaulis C. L. Hitchcock 1940-3-23 5834 Siskiyou Red Rock Canyon. Comment
  HSC67867  Antennaria argentea J. P. Smith 1976-5-5 8691 Siskiyou Road from Forks of Salmon to Somes Bar 366 Comment
  JEPS33952  Antennaria argentea George D. Butler 1908-8-10 317 Siskiyou Shackelford Creek Comment
  UC166576  Antennaria argentea Geo. D. Butler 1909-5-9 700 Siskiyou (North Lennox St.) Yreka Comment
  HSC22433  Antennaria argentea J. O. Sawyer 1969-6-11 835 Siskiyou Lower slope next to the C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  JEPS13375  Antennaria geyeri Duncan Dunning 1921-7-16 Siskiyou nw of Hambone; Toad Mountain Comment
  UC1408808  Antennaria media Robert F. Thorne and Fred Oettinger 1969-8-10 38973 Siskiyou s slope of, (at Panther Creek Meadows) Mt. Shasta; Mt. Shasta National Forest, Panther Creek Meadows 2194 Comment
  JEPS125860  Antennaria racemosa Dean W. Taylor 1996-6-26 15748 Siskiyou Marble Mountains; drainage of Kidder Creek; cliffs on deeply incised canyon of Kidder Creek about 2 miles west of Scott Valley Comment
  RSA273381  Antennaria racemosa J. P. Smith, J. O. Sawyer 1972-7-3 s.n. Siskiyou Ridge east of Cook and Green Pass 1524 Comment
  POM230556  Antennaria rosea J. T. Howell 1937-7-21 13177 Siskiyou S Fork of Salmon river near Big Flat. 1524 Comment
  UC34179  Antennaria rosea Harley P. Chandler 1901-6-1 1656 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  HSC27485  Antennaria rosea subsp. rosea J. P. Smith, J. O. Sawyer 1972-5-27 5354 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  UCSB22757  Apocynum androsaemifolium Keefe, Joseph 1967-7-10 Siskiyou Indian Creak Road, 14.8 miles north of Happy Camp 914 Comment
  RSA127723  Apocynum androsaemifolium subsp. pumilum H. A. Thomas, John Thomas 1954-7-25 4519 Siskiyou Salmon Trinity Mts, Vicinity of Rush Lake and Rush Creek Meadow, 9 miles E of Cecilville. 1829 Comment
  CAS-BOT-BC397945  Aquilegia formosa Alice Eastwood 1921-7-25 10820 Siskiyou Bigelows Mc Cloud River Comment
  HSC69025  Aquilegia formosa var. formosa Maralyn A. Renner 1980-7-28 2192 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  HSC87012  Aquilegia formosa var. formosa Steve Morgan 1987-7-28 Siskiyou McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, S of Mt. Shasta 1768 Comment
  RSA238277  Aquilegia formosa var. truncata Frederick W. Oettinger 1967-8-13 256 Siskiyou Below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  HSC22397  Arabis divaricarpa J. O. Sawyer 1969-7-24 1469 Siskiyou NW facing slope SW of Sugar lake. 1829 Comment
  HSC90568  Arabis divaricarpa Jennifer Whipple 1977-8-6 2241 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  RSA0126075  Arabis divaricarpa Geo. D. Butler 1900-7-8 1664 Siskiyou Log Lake, Shackleford Creek. 1220 Comment
  CAS-BOT-BC17355  Arabis eschscholtziana Dorothy Parker 1948-6-14 s.n. Siskiyou Plowman's Valley. Rail Creek. 1203 Comment
  UC162638  Arabis glabra Harley P. Chandler 1901-6-1 1626 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  UC855411  Arabis glabra A. A. Heller 1916-6-23 12437 Siskiyou n of Sisson (near Black Butte) 1127 Comment
  RSA0125809  Arabis glabra Frederick W. Oettinger 1969-8-16 1405 Siskiyou Wire Grass meadow, English Lake basin (below it). Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA758211  Arabis holboellii R. F. Thorne 1969-8-2 63336 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  HSC6537  Arabis holboellii var. retrofracta R. C. Wunner 1965-6-29 288 Siskiyou California Lava Beds National Monument; S. Tichner Rd., 1.5 mi. S from Mammoth Crater 1555 Comment
  CAS-BOT-BC16716  Arabis modesta Lincoln Constance; Reed Clark Rollins 1942-5-13 2907 Siskiyou Klamath-Siskiyou Region. Klamath River 4 miles east of Seiad. 457 Comment
  HSC90288  Arabis modesta D. L. Goforth 1980-6-26 634 Siskiyou Salmon River Rd. at Tom Payne Creek 290 Comment
  RSA30389  Arabis modesta Lincoln Constance, Reed C. Rollins 1942-5-13 2907 Siskiyou Klamath-Siskiyou Region: Klamath River 4 miles east of Seiad. 457 Comment
  SFV1406  Arabis modesta A. M. Vollmer, L. Beane 1951-6-2 73 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway. Comment
  UC583410  Arabis modesta Elmer I. Applegate 1932-4-16 7065 Siskiyou between Hamburg and Seiad Valley; Klamath River Comment
  HSC92696  Arabis oregana J. P. Smith 1973-5-5 6426 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC67751  Arabis platysperma J. O. Sawyer, J. Cole 1980-7-21 3888 Siskiyou Near Haight Mtn. along USFS Rd. running S-SW 1939 Comment
  RSA237312  Arabis platysperma Frederick W. Oettinger 1967-8-13 261 Siskiyou Southeast of Tom Taylor Cabin and about 50 yards from cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  RSA0129829  Arabis platysperma var. platysperma Frederick W. Oettinger 1968-8-4 390 -b Siskiyou Trail N of Crapo Peak ridge. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2195 Comment
  RSA237353  Arabis rigidissima var. rigidissima Frederick W. Oettinger 1969-9-4 1636 Siskiyou West face of Peak just east of Hancock Lake. Salmon Mountains. High Lake Basins in the Vicinity of English Peak. Marble Mountain Wilderness Area. 1999 Comment
  HSC238  Arabis suffrutescens William J. Ferlatte 1967-7-6 609 Siskiyou Dorleska summit. 2134 Comment
  POM94631  Arabis suffrutescens Geo. D. Butler 1908-8-3 128 Siskiyou Log Lake, Shackleford Creek Comment
  CAS-BOT-BC171031  Aralia californica Alice Eastwood 1923-7-1 1339 Siskiyou Cantara Comment
  CDA15524  Aralia californica G. F. Hrusa 1998-7-5 14692 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy., at mile 5.x. Sheet 1 of 2 Comment
  CDA38201  Aralia californica D. H. Shaw & D. Osterhandt 1978-7-25 s.n. Siskiyou McNeal Creek, near Fork of Salmon. 0 Comment
  RSA639070  Arbutus menziesii L. C. Wheeler 1958-8-18 7394 Siskiyou West Fork Seiad Creek. Comment
  SEINET2471283  Arceuthobium abietinum R. L. Mathiasen 2007-8-14 2007 -36 Siskiyou At jct. of Greyback Rd. and rd. to Kelly Lake 1345 Comment
  CAS-BOT-BC407724  Arceuthobium abietinum W. R. Dudley s.n. Siskiyou side of Black Butte Comment
  SEINET3239876  Arceuthobium californicum R. L. Mathiasen 2010-1 1016 Siskiyou 17.4 km from Rte. 96 on Dillon Mtn. rd. 1310 Comment
  SEINET2471273  Arceuthobium cyanocarpum R. L. Mathiasen 2008-9-16 2008 -29 Siskiyou 2 km N. of Park Creek Trailhead on forest road 17 2000 Comment
  RSA0044721  Arctium minus L. C. Wheeler 1934-9-17 3276 Siskiyou Siskiyou Mts: Dutch Creek off Klamath River. 701 Comment
  UCD81364  Arctostaphylos Roman Gankin; Brewer, Hildreth, and Milam 1965-8-11 610 Siskiyou 100 yards south of Somesbar Post Office, west of State Highway 96. Comment
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Feb 21 2015
  SEINET11989680  Arctostaphylos klamathensis Unknown 1982-1 20800 Siskiyou above middle Cliff Lake (& between Terrace Lake & Upper Cliff Lake on cliffs) 1951 Comment
  RSA463685  Arctostaphylos manzanita subsp. manzanita S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  RSA78813  Arctostaphylos manzanita subsp. manzanita P. A. Munz 1952-7-2 17887 Siskiyou Road to Baldy Mt., northwest of Happy Camp, Siskiyou Mts. 1524 Comment
  HSC4924  Arctostaphylos nevadensis J. O. Sawyer 1968-6-25 336 Siskiyou 1646 Comment
  JEPS86119  Arctostaphylos nevadensis Wayne Roderick 1966-6-26 Siskiyou just e Pass; Cook and Green Pass area 1371 Comment
  SEINET11989670  Arctostaphylos nevadensis R. Raiche, Zadnik, K. 1982-1 20785 Siskiyou 11 mi WNW of Yreka at Deadwood Lookout 1707 Comment
  CAS-BOT-BC46461  Arctostaphylos patula Louis C. Wheeler 1935-3-31 3413 Siskiyou S. of Wintoon Butte., w. of Mt. Shasta. 1188 Comment
  CAS-BOT-BC46473  Arctostaphylos patula W. R. Dudley 1899-8-22 s.n. Siskiyou Toward foot of Craggy Mt. Comment
  CAS-BOT-BC46498  Arctostaphylos patula Alice Eastwood 1912-7-19 s.n. Siskiyou Mount Shasta. Comment
  CAS-BOT-BC46500  Arctostaphylos patula Alice Eastwood 1917-9-2 6682 Siskiyou Shasta Springs. Comment
  JEPS42625  Arctostaphylos patula Geo. D. Butler 1909-4-11 640 Siskiyou Shasta Retreat Comment
  UC1483494  Arctostaphylos patula J. Sawyer and J. Cole 1980-7-21 3906 Siskiyou near Haight Mtn. (along F.S. rd running ssw); Klamath National Forest, Bray Quad. 1938 Comment
  POM367405  Arctostaphylos patula M. B. Dunkle 1944-8-25 9181 Siskiyou Siskiyou National Forest; Coastal Northern California. Comment
  SEINET11988295  Arctostaphylos patula C. Lamoureux, Srivastava, L.; Gankin, R. 1957-1 260 Siskiyou US 199, E side of hwy, approximately 2 mi N of Weed Comment
  HSC73329  Arctostaphylos viscida Gail Newton 1980-6-20 489 Siskiyou Near Bald Mtn. 1097 Comment
  CAS-BOT-BC47097  Arctostaphylos viscida subsp. viscida Walter Knight; Irja Knight 1979-9-6 3424 Siskiyou Marble Rim below Lookout (north), Marble Mts. 2072 Comment
  UC1409373  Arenaria congesta var. congesta Frederick W. Oettinger 1969-8-4 395 Siskiyou vicinity English Peak (Trail break on Crapo Peak ridge.); Salmon Mountains, Marble Mountains Wilderness Area, The High 2194 Comment
  POM182811  Arenaria congesta var. suffrutescens I. J. Condit 1909-8-23 6 Siskiyou Castle Rock near Sisson. 1829 Comment
  UC166125  Arenaria congesta var. suffrutescens Geo. D. Butler 1910-7-13 1772 Siskiyou 1219 Comment
  SD88372  Arenaria nuttallii subsp. gregaria Darley F. Howe 1972-7-4 Siskiyou Stony hilltop south of Del Norte; Siskiyou County marker on road to Youngs Valley. 1740 Comment
  HSC78320  Arenaria serpyllifolia L. P. Janeway 1983-7-27 448 Siskiyou Poker Flat, drier portion of upper meadow 1524 Comment
  CAS-BOT-BC384755  Arenaria serpyllifolia var. serpyllifolia John Thomas Howell 1937-7-23 13351 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC82365  Arnica cordifolia J. H. Thomas 1954-5-13 4130 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, 1066 Comment
  HSC82255  Arnica cordifolia Thomas W. Nelson, Jane P. Nelson 1980-7-20 6178 Siskiyou Hillside above Big Carmen Lake 1738 Comment
  CAS-BOT-BC295873  Arnica dealbata A. A. Heller 1922-7-15 13692 Siskiyou Unspecified 2133 Comment
  UC581752  Arnica discoidea Dr. Edward Palmer Jul 13 1892-Jul 27 1892 2455 Siskiyou Mount Shasta and vicinity Mount Shasta Comment
  HSC27645  Arnica discoidea Carl W. Mize 1972-6-21 71 Siskiyou Just past first creek on trail 351 Comment
  RSA93460  Arnica discoidea M. S. Baker, H. K. Wagnon 1953-7-11 12833 Siskiyou 1.9 mi. above Whitlock Camp in open forest. 1372 Comment
  SEINET3085712 Image available Arnica foliosa A. A. Heller 1938-7-13 15270 Siskiyou Meadows south of Bray Comment
  CAS-BOT-BC82605  Arnica lanceolata subsp. prima Geo. D. Butler 1910-7-7 1656 Siskiyou Shackleford Creek 914 Comment
  HSC96833  Arnica latifolia S. Lyon, J. McIntire 2006-6-25 26 Siskiyou Burns Ranch; On F.S. Rd. 39N41, 0.2 miles southwest of intersection with Rd. 39N27 1341 Comment
  JEPS74455  Arnica latifolia W. J. Ferlatte 1967-7-26 765 Siskiyou near, nw side of Caribou Mt Browns Meadow; Trinity Alps, Caribou Mountain 1828 Comment
  RSA261524  Arnica latifolia J. M. Tucker, L. K. Mann 1963-7-5 3701 Siskiyou Blake's Fork of South Russian Creek (a tributary of the Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1616 Comment
  CHSC69068  Arnica longifolia Vernon H. Oswald; Lowell Ahart 1997-7-28 8790 Siskiyou Southeast of Medicine Lake at Paynes Springs. 1981 Comment
  UC1408756  Arnica longifolia Frederick W. Oettinger 1968-9-1 648 Siskiyou ssw of, at base of precipice Abbott's Lake; Salmon Mountains, English Peak, Marble Mountain Wilderness A 1798 Comment
  UCD77358  Arnica mollis Robert E. Preston 2001-7-20 1693 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W ne 1/4 of se 1/4 Section 14 1755 Comment
  JEPS117876  Arnica viscosa unknown 1976-8-2 Siskiyou Gully above Horse Camp Mt. Shasta 2438 Comment
  JEPS57207  Arnica viscosa L. R. Heckard 1967-8-14 1732 Siskiyou above Horse Camp; Mt. Shasta 2560 Comment
  SEINET215202  Artemisia campestris J. M. Tucker, Sandra L. Holloway 1963-8-18 3750 Siskiyou On decomposed marble scree, southeast-facing slope, southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2134 Comment
  UCD129319  Artemisia douglasiana Collector Unknown Date Unknown s.n. Siskiyou Exact location unknown. Comment
  CAS-BOT-BC90742  Artemisia ludoviciana subsp. incompta Gilbert Muth 1965-8-17 s.n. Siskiyou On trail to backside of Black Mt. Comment
  CAS-BOT-BC90773  Artemisia ludoviciana subsp. ludoviciana K. T. Stillman 1976-9-9 475 Siskiyou Scott Bar quad. Marble Mountain Wilderness Area, N & NE & E side of Black Mtn. Comment
  HSC76872  Artemisia ludoviciana subsp. ludoviciana K. T. Stillman 1976-9-9 475 Siskiyou Marble Mtn. Wilderness Area, N, NE and E side of Black Mtn. Comment
  HSC92871  Artemisia tridentata subsp. tridentata Jennifer Whipple 1978-10-6 2412 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2256 Comment
  CHSC99975  Aruncus dioicus var. pubescens L. P. Janeway 2008-7-25 9492 Siskiyou Klamath Ranges. Siskiyou Mountains; at Horsetail Falls, along Road 48N20, along upper eastern fork of East Fork Seiad Creek. 1237 Comment
  CAS-BOT-BC400594  Asarum caudatum A. M. Vollmer; L. Beane 1951-6-2 84 Siskiyou Happy Camp, Klamath River Highway Comment
  HSC28655  Asarum caudatum Frederick W. Oettinger 1968-8-14 510 Siskiyou Marble Mtn. Wilderness Area, 100 yds. downstream from Tom Taylor Cabin spring 2012 Comment
  POM165732  Asarum hartwegii E. B. Copeland 1903-7-17 s.n. Siskiyou Mt. Shasta 1829 Comment
  RSA401670B  Asclepias cordifolia E. E. Stanford 1930-6-15 1594 Siskiyou Near Shasta City Comment
  SEINET10829548  Asclepias cordifolia F. Marion Ownbey, D. H. Brown 1941-6-22 Ownbey 2423 Siskiyou Gravelly ridge W of Craggy Mountain, NW of Yreka Comment
  SEINET11098485 Image available Asclepias cordifolia Jennifer Hedin 1996-1 228 Siskiyou Lower Mel, R Falls, campground/picnic area Comment
  CHSC33056  Asclepias speciosa J. P. Smith; Steve Selva 1970-6-16 4085 Siskiyou Immediately west of Sawyers Bar. Comment
  HSC46339  Aspidotis densa J. P. Smith 1973-5-5 6492 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  HSC48322  Aspidotis densa J. P. Smith, Steve Selva 1970-6-15 3951 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  UC1408841  Aspidotis densa Frederick W. Oettinger 1968-8-23 610 Siskiyou due e and 50 ft below Diamond Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2057 Comment
  UCD78130  Aspidotis densa Robert E. Preston 2002-6-20 1844 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope 1965 Comment
  UC1034654  Aspidotis densa Douglas Barbe 1955-7-26 260 Siskiyou nw slope Scott Mt; Klamath Mts 1828 Comment
  NY158754  Aster copelandii E. B. Copeland 1903-9-7 3867 Siskiyou Mt. Eddy 2743.2 Comment
  RSA238769  Aster ledophyllus Frederick W. Oettinger 1967-8-20 292 Siskiyou Near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  UCD105521  Astragalus Geo. W. King 1926-4-25 s.n. Siskiyou Montague, thru Mt. Elwood. Comment
  CAS-BOT-BC178822  Astragalus californicus Geo. D. Butler 1909-5-8 593 Siskiyou Dry land near Yreka Comment
  UC144159  Astragalus lentiginosus var. lentiginosus A. A. Heller 1905-6-19 8062 Siskiyou Grenada Station Comment
  CAS-BOT-BC187305  Astragalus lentiginosus var. lentiginosus A. A. Heller 1905-6-19 8062 Siskiyou Near Grenada Station 822 Comment
  CAS-BOT-BC194435  Astragalus obscurus Alice Eastwood; John Thomas Howell 1934-4-20 1786 Siskiyou 4 miles n. of Weed Comment
  CDA18415  Astragalus purshii var. tinctus G. D. Barbe, T. C. Fuller & J. T. Howell 1980-4-29 2654 Siskiyou Klamath Ranges; Schoolhouse Hill, summit of Gazelle-Callahan Road, 7 miles (11.3 km) east of Callahan. 1173 Comment
  UC54368  Astragalus purshii var. tinctus H. M. Hall and E. B. Babcock June, 1903 4083 Siskiyou Shasta Valley Sierra Nevada Mountains, Mount Shasta, Shasta Valley 1158 Comment
  RSA110924  Astragalus purshii var. tinctus R. C. Barneby 1954-5-16 11515 Siskiyou Scott Road, 10.5 miles below Fort Jones 1006 Comment
  HSC82563  Astragalus whitneyi var. siskiyouensis Thomas W. Nelson, Jane P. Nelson 1979-5-26 4722 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  HSC92424  Astragalus whitneyi var. siskiyouensis Jennifer Whipple 1976-7-2 1264 Siskiyou Dobkins Lake drainage on E facing slopes above Dobkins Lake 2256 Comment
  CAS-BOT-BC198713  Astragalus whitneyi var. siskiyouensis Douglas Barbe 1955-7-26 272 Siskiyou Northwest slope of Scott Mtn. - Klamath Mountains 1828 Comment
  HSC65080  Asyneuma prenanthoides J. P. Smith, Steve Selva 1970-6-15 3899 Siskiyou Oak Bottom Campground near Somes Bar. 229 Comment
  UCD66895  Asyneuma prenanthoides J. P. Smith and Steve Selva 1970-7-15 4340 Siskiyou Klamath Nat'l. Forest; road to Happy Camp. 731 Comment
  CAS-BOT-BC69537  Athyrium alpestre subsp. americanum C. G. Pringle 1882-9-1 s.n. Siskiyou Mt. Shasta. Comment
  UC399394  Athyrium distentifolium var. americanum C. G. Pringle Sept. 1882 Siskiyou Mt Shasta Comment
  UC618802  Athyrium distentifolium var. americanum W. Bridge Cooke 1938-9-8 11617 Siskiyou above the heather meadow Panther Creek Glacial Meadow; Mt Shasta Comment
  HSC29371  Athyrium distentifolium var. americanum Frederick W. Oettinger 1969-8-21 1476 Siskiyou Marble Mtn. Wilderness Area, Ethel Lake 1738 Comment
  CAS-BOT-BC68715  Athyrium filix-femina var. californicum Gordon H. True; John Thomas Howell 1972-6-8 48861 Siskiyou South of summit on road from Takilma to Happy Camp Comment
  HSC69747  Athyrium filix-femina var. cyclosorum Maralyn A. Renner 1980-8-6 2243 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  UC399379  Athyrium filix-femina var. cyclosorum Geo. D. Butler 1908-8-4 244 Siskiyou Woolly Creek Cold Spring Comment
  CAS-BOT-BC66181  Athyrium filix-femina var. cyclosorum Gilbert Muth 1965-8-3 s.n. Siskiyou Creek at Marble Valley Comment
  JEPS93959  Atriplex rosea Vernon H. Oswald and Lowell Ahart 1998-9-16 9652 Siskiyou 2 mi s of Highway 161 (Return leg of the Tour Route at Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge 1243 Comment
  HSC4357  Atriplex truncata L. C. Wheeler 1934-10-21 3330 Siskiyou Shasta Valley 4 mi. E of Grenada 869 Comment
  RSA210844  Atriplex truncata R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39036 Siskiyou Along Hwy 161 on N side of Lower Klamath Lake, Lake Klamath National Wildlife Refuge, 1.9 miles E of junction of Hwys 97 and 161. Comment
  SEINET7239835 Image available Balsamorhiza lanata R. R. Halse 1989-5-6 3818 Siskiyou Along Old HWY 99, 3.2 to 6.2 miles south of Gazelle or 1.5 mile north of its junction with Old Stage Road 912 Comment
  CAS-BOT-BC16687  Barbarea orthoceras John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53416 Siskiyou Oro Fino. 853 Comment
  CAS-BOT-BC16688  Barbarea orthoceras D. E. Breedlove 1962-6-11 3353 Siskiyou Marble Mountains. About 20 miles west of Fort Jones. Canyon Creek. 914 Comment
  CDA24680  Barbarea orthoceras G. Deal 1968-5-2 Siskiyou 1 mile south of Hornbrook. 0 Comment
  RSA211344  Barbarea orthoceras William J. Ferlatte 1966-6-22 94 Siskiyou Along the South Fork of the Salmon River between the campground and Carter s. Trinity Alps. 1524 Comment
  RSA482826  Barbarea orthoceras Christopher Davidson 1975-6-5 2666 Siskiyou 0.8 mi. from gate on special service rd. branching SE of rd from Gazelle to Callahan, ca. 9.3 miles W of Gazelle. Klamath Nat. Forest. 1509 Comment
  UC1037383  Beckmannia syzigachne Douglas Barbe 1955-7-5 107 Siskiyou Greenview Klamath Mountains (e limit, on road to Fort Jones) 883 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
  HSC77494  Berberis aquifolium var. repens L. P. Janeway, J. L. Ramstedt 1983-7-9 395 Siskiyou E of Preston Peak 1402 Comment
  CAS-BOT-BC75721  Berberis nervosa Louis C. Wheeler 1934-6-29 2822 Siskiyou Klamath Forest. Soda Creek. 1280 Comment
  HSC27973  Berberis nervosa Carl W. Mize 1972-9-23 110 Siskiyou Along Steinacher Creek Rd. 762 Comment
  HSC65539  Berberis nervosa R. White 1977-6-4 74 Siskiyou E shore of Buck Lake 1293 Comment
  CAS-BOT-BC75917  Berberis piperiana Doris K. Kildale 1928-8-18 6428 Siskiyou North Fork Salmon River at Finley Camp. Comment
  CAS-BOT-BC75918  Berberis piperiana Doris K. Kildale 1929-4-27 7500 Siskiyou Cecilville upper South Fork of Salmon River. Comment
  CAS-BOT-BC75929  Berberis piperiana Louis C. Wheeler 1934-6-15 2716 Siskiyou Hungry Creek. Siskiyou Mountains. 1280 Comment
  CAS-BOT-BC75946  Berberis piperiana Lewis S. Rose 1945-6-18 45082 Siskiyou Horse Creek and Klamath River. 502 Comment
  CAS-BOT-BC76007  Berberis pumila Doris K. Kildale 1927-11-20 4183 Siskiyou Fort Jones. Comment
  CAS-BOT-BC76008  Berberis pumila Doris K. Kildale 1929-7-20 8534 Siskiyou Trail to Elk Lick, south Fork of Indian Creek. Comment
  CAS-BOT-BC169483  Betula occidentalis Alice Eastwood 1912-7-23 1341 Siskiyou Cantara Comment
  CHSC110508  Betula occidentalis Julie Kierstead Nelson; R. Posey, P. Zika, T. Derksen 2012-6-21 2012 -058 Siskiyou South Fork Willow Creek, foothills of N side Scott Mountain Rd. 42N19 Sec. 30; ca 1 mile S of Gazelle-Callahan Hwy. 1158 Comment
  HSC4950  Betula occidentalis J. O. Sawyer 1968-10-8 752 Siskiyou Rd. to Kangaroo Lake E of Callahan along Rock Fence Creek Comment
  JEPS87872  Betula occidentalis Vernon H. Oswald and Lowell Ahart 1994-8-1 6443 Siskiyou junction of Forest Road 17 3.3 mi sw junction with Stewart Springs Rd (w of Weed) 1706 Comment
  LA204109  Betula occidentalis A. A. Heller; 1915-7-18 sn Siskiyou Metcalf's Ranch, NE base of Mt. Eddy in the forest 1188 Comment
  UC726782  Betula occidentalis A. A. Heller 1918-7-16 13036 Siskiyou Mt. Eddy 1524 Comment
  CAS-BOT-BC102121  Bidens cernua L. E. Smith 1913-9-14 s.n. Siskiyou Mi. Eddy Comment
  CHSC71595  Bistorta bistortoides Vernon H. Oswald; Lowell Ahart 1998-8-3 9436 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  HSC30486  Bistorta bistortoides Frederick W. Oettinger, R. F. Thorne 1969-8-8 1286 Siskiyou Marble Mtn. Wilderness Area, Sundew Bog near English Lake 1829 Comment
  CAS-BOT-BC127942  Blepharipappus scaber Geo. D. Butler 1909-4-14 590 Siskiyou Humbug Road Comment
  CAS-BOT-BC127973  Blepharipappus scaber Mrs. H. C. Cantelow 1936-5-21 1252 Siskiyou 12 mi. S. of Etna, rd. to Callahan Comment
  UC1090387  Blepharipappus scaber Milo S. Baker 1957-6-16 13167 Siskiyou turn off near Callahan (Scott Mt.); Scott Mt. Comment
  SEINET193233  Boechera breweri Lincoln Constance, Reed C. Rollins 1942-5-13 2910 Siskiyou Scott River 2 miles northwest of Scott Bar. 488 Comment
  CAS-BOT-BC16023  Boechera breweri subsp. breweri Lyman Benson 1929-3-27 1073 Siskiyou Slopes above Klamath River. Comment
  CAS-BOT-BC14273  Boechera pinetorum John Thomas Howell 1939-8-2 14913 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  UC1483503  Boechera pinetorum J. Sawyer and J. Cole 1980-7-21 3840 Siskiyou n of F.S. Road 44N01 (near intersection with road to Lava Camp); Klamath National Forest, Medicine Lake Quad. 1676 Comment
  CAS-BOT-BC14409  Boechera platysperma S. K. Harris; C. C. Harris 1939-8-29 6039 Siskiyou Marble Mountain Primitive Area. Half Moon Meadow. 1676 Comment
  UC796517  Boechera retrofracta Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11762 Siskiyou 1 mi n Callahan (e fork of Scott River); Scott River Comment
  CAS-BOT-BC25730  Boechera sparsiflora Ira L. Wiggins 1955-7-22 13446 -A Siskiyou In South Fork of Salmon River, above Cecilville 9.5 miles. 1066 Comment
  UC165988  Boechera sparsiflora Geo. D. Butler 1910-5-5 1282 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC25919  Boechera suffrutescens C. L. Hitchcock; J. S. Martin 1939-7-6 5224 Siskiyou Peak above and north of Divide of Siskiyou Mountains. On Takilma-Happy Camp road. 1828 Comment
  POM46111  Boisduvalia densiflora var. densiflora Geo. D. Butler 1910-6-29 1614 Siskiyou Yreka Creek Comment
  CHSC30252  Boschniakia strobilacea M. S. Taylor; B. Williams 1980-6-23 2944 Siskiyou N side in the forest of Cedar Lake, ca. 11 mi sw of Mt. Shasta City. 1737 Comment
  SBBG56201  Botrychium multifidum L. G. Yates 1894-7-30 Siskiyou Sisson Comment
  UC1475116  Botrychium pinnatum Donald Burk 1993-9-7 Siskiyou ca. 3/4 mi e Gray Butte radio facilities (between confluence of 2 streams); s slope Mt. Shasta 1950 Comment
Read comments
Apr 20 2012
  JEPS74438  Boykinia major W. J. Ferlatte 1966-8-17 395 Siskiyou Caribou Basin; Trinity Alps, Caribou Basin 1981 Comment
  CAS-BOT-BC418455  Boykinia major Doris K. Kildale 1928-7-3 5458 Siskiyou 9 miles east of Forks of Salmon on North Fork Salmon River Comment
  RSA184648  Boykinia major Clare B. Hardham 1965-8-20 13008 Siskiyou Marble Mtns. Near Cudahy Lakes. Paso Robles. 1524 Comment
  RSA537373  Boykinia occidentalis W. Wisura, J. Romero 1991-10-18 4600 Siskiyou Salmon river, 5.7 mi E of Somes Bar, Shaded seapage area. Comment
  UCD102610  Boykinia occidentalis D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-15 s.n. Siskiyou Forks of Salmon-Somes Bar. Klamath National Forest. Salmon River Road near Butter Creek. 265 Comment
  RSA15650  Brickellia californica C. B. Wolf 1927-8-26 1005 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  HSC69142  Brickellia greenei Maralyn A. Renner 1980-8-8 2475 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  JEPS7633  Brodiaea elegans subsp. elegans Geo. D. Butler 1909-7-20 888 Siskiyou Highland Mine Comment
  CAS-BOT-BC155961  Bromus commutatus Louis C. Wheeler 1934-6-22 2748 Siskiyou Klamath National Forest. Cottonwood Creek. 914 Comment
  UCD58774  Bromus hordeaceus A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3392 Siskiyou 7 miles N of Weed. Comment
  RSA603018  Bromus japonicus L. C. Wheeler 1935-7-13 3661 Siskiyou Ager Comment
  CHSC4376  Bromus madritensis subsp. rubens M. M. Gregg 1966-5-14 180 Siskiyou W of Callahan on Etna Rd. approx. 1-1 1/2 mi. Along side of rd. Comment
  SEINET3245417  Bromus orcuttianus A. A. Heller 1905-1 6454 Siskiyou Near Shasta Springs Comment
  HSC43112  Bromus tectorum Maralyn O'Meara 1974-5-25 365 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  NY664637  Bromus tectorum A. A. Heller 1905-6-9 8012 Siskiyou Montague Comment
  UC1131290  Bromus tectorum H. A. Jensen 1933-7-29 335 Siskiyou near Metcalf 883 Comment
  RSA239015  Calamagrostis canadensis Frederick W. Oettinger 1969-9-4 1634 Siskiyou East side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  SEINET10520765  Calamagrostis canadensis Louis C. Wheeler 1935-7-26 Wheeler 3716 Siskiyou Wet sunny meadow. Jaynes Canyon, Siskiyou Mts. T47N R10W S12. Mt. Diablo Mer. 1951 Comment
  UCD57255  Calamagrostis koelerioides A. H. Murphy 1955-7-28 55 H Siskiyou Klamath National Forest, Marble Mountains, Hancock Lake. 1889 Comment
  CAS-BOT-BC185258  Calamagrostis koelerioides Doris K. Kildale 1929-8-24 8814 Siskiyou Preston Peak. 2133 Comment
  RSA237960  Callitriche verna Frederick W. Oettinger 1968-8-2 352 Siskiyou Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC85775  Calocedrus decurrens C. B. Wolf; E. R. Johnson 1934-10-8 6168 Siskiyou Modoc Lava Beds, 14.3 mi. E. of Fall River on rd. from Dana to Little Hot Springs Valley 1219 Comment
  JEPS39851  Calocedrus decurrens W. L. Jepson 1914-8-14 Siskiyou Dunsmuir Comment
  UC139966  Calocedrus decurrens Dr. E. B. Copeland 1903-8-13 3913 Siskiyou on Big Spring Creek; Sisson 1066 Comment
  CAS-BOT-BC85738  Calocedrus decurrens Doris K. Kildale 1929-4-27 7561 Siskiyou Cecilville 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
  SBBG15287  Calochortus coeruleus H. and M. Dearing 1939-7-1 3793 Siskiyou Salmon Mtn summit 1828 Comment
  UC163806  Calochortus elegans Geo. D. Butler 1910-6-5 1508 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC488615  Calochortus elegans var. nanus A. A. Heller 1906-6-15 s.n. Siskiyou Near Sisson Comment
  UC903495  Calochortus macrocarpus Dorothy Parker 1948-7-26 158 Siskiyou near Calif.-Ore. border (Cal-Ore) 1219 Comment
  CHSC2229  Calochortus nudus V. Holt 1942-7-3 Siskiyou Mt. Eddy. 1524 Comment
  HSC44993  Calochortus nudus J. P. Smith, Steve Selva 1970-7-18 4488 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  HSC82362  Calochortus nudus Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4515 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  JEPS55632  Calochortus nudus Wayne Roderick 1966-6-26 Siskiyou Castle Lake Camp 1676 Comment
  CAS-BOT-BC494022  Calochortus tolmiei J. H. Thomas 1954-5-12 4121 Siskiyou Salmon Mountains, klamath National Forest. Near south Fork of Salmon River, 5 to 9 miles southeast of Cecilville 975 Comment
  HSC43363  Caltha leptosepala N. G. Sugihara 1977-5-28 63 Siskiyou Bank of Haypress Creek 100 yds. upstream from edge of Haypress Meadow 1463 Comment
  HSC64343  Caltha leptosepala J. P. Smith, Steve Selva 1970-7-17 4456 Siskiyou Below Kangaroo Lake. 1890 Comment
  CAS-BOT-BC273387  Calycadenia fremontii G. D. Carr 1974-9-11 781 Siskiyou Gazelle-Callahan Rd., 5.3 mi NE of Callahan 1068 Comment
  JEPS30008  Calycadenia truncata Geo. D. Butler 1908-8-29 320 Siskiyou in Scott Valley, ne sector of T43N R9W S17 Scott Valley Comment
  LA203133  Calycadenia truncata Louis C. Wheeler; 1934-6-26 2787 Siskiyou Siskiyou Mountains, Camp Lowe, Klamath River 761 Comment
  SEINET7379699 Image available Calycadenia truncata L. C. Wheeler 1934-6-26 2787 Siskiyou Klamath River, Siskiyou Mountains 762 Comment
  SEINET7379700 Image available Calycadenia truncata G. D. Butler 1910-7-30 1801 Siskiyou Near Yreka Comment
  CAS-BOT-BC272754  Calycadenia truncata subsp. truncata Dr. E. B. Copeland 1903-7-4 3547 Siskiyou Klamathon Comment
  RSA381905  Calypso bulbosa J. P. Smith 1973-5-5 6468 Siskiyou Along Cook and Green Pass road. Comment
  CHSC9498  Calyptridium monospermum J. F. Goodwin 1971-7-3 148 Siskiyou Southeast side of Castle Lake, 0.1 mi south on Lookout Trail on east side of trail in open, grassy area; 9.2 mi. sw of Mt. Shasta City. 1676 Comment
  HSC2414  Calyptridium monospermum William J. Ferlatte 1966-8-5 337 Siskiyou Caribou Mtn. 2470 Comment
  HSC45036  Calyptridium monospermum J. O. Sawyer 1978-6-16 3216 Siskiyou Marble Mtn. Wilderness along trail to Elk Valley 1921 Comment
  HSC58959  Calyptridium monospermum Gilbert Muth 1976-7-26 Siskiyou Near Poker Flat, close to the town of Happy Camp 1561 Comment
  HSC27482  Calystegia malacophylla J. P. Smith, J. O. Sawyer 1972-5-28 5370 Siskiyou 1.2 mi. E. of Jackson Creek on Callahan-Cecilville Rd., Klamath National Forest 1341 Comment
  UC61049  Calystegia occidentalis subsp. occidentalis W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson , Sisson (Mount Shasta) Comment
  RSA211339  Campanula prenanthoides William J. Ferlatte 1966-8-18 420 Siskiyou Trinity Alps. Along the South Fork of the Salmon River between the campground and Carter's. 1524 Comment
  SEINET10463387  Campanula scabrella Muth 1978-8-1 MUTH 6901 Siskiyou Near Cory peak, on the China Mountain quadrangle, clase to the town of Callahan 2219 Comment
  POM255804  Campanula scouleri Marion Ownbey, Ruth Ownbey 1938-7-19 1757 Siskiyou Near Deer Camp, Siskiyou Mtns Comment
  SEINET10463777  Campanula scouleri Lemmon LEMMON s.n. Siskiyou Near Shasta Comment
  SEINET10905942  Campanula scouleri Holt 1932-7-13 Holt s.n. Siskiyou NIXON'S CAMP, MT. SHASTA 671 Comment
  UC705614  Campanula scouleri Marion Ownbey and Fred G. Meyer 1940-7-8 2226 Siskiyou 18 mi n Happy Camp (stream bank near summit of Siskiyou Mountains) Comment
  UC334031  Campanula wilkinsiana unknown 1888-9-12 Siskiyou springs near, w slope of mountain Horse Camp; Mt. Shasta Comment
  SEINET10463877  Campanula wilkinsiana John G. Lemmon 1889-9-12 Lemmon s.n. Siskiyou NEAR HORSE CAMP, W SLOPE OF MT. SHASTA NR TIMER LINE FORMING EXTENSIVE MAPS 2865 Comment
  CAS-BOT-BC18388  Carex A. A. Heller 1916-7-20 12468 Siskiyou Near Wagon Creek, east side of Mt. Eddy in the yellow pine belt. 1524 Comment
  CAS-BOT-BC539693  Carex John Thomas Howell 1937-7-22 13322 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC19770  Carex abrupta R. Tallent 1987-8-16 941 Siskiyou Mount Shasta Area. Panther Meadows Trailhead Area. 2220 Comment
  RSA550450  Carex abrupta R. Tallent 1987-8-16 942 Siskiyou Panther Meadows Trailhead area. Mt. Shasta area. 2220 Comment
  HSC29661  Carex abrupta Frederick W. Oettinger 1968-9-6 803 Siskiyou Marble Mtn. Wilderness Area, W shore of Hancock Lake 1890 Comment
  RSA237245  Carex abrupta Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1260 Siskiyou Lower pond, Tom s Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  RSA237310  Carex abrupta Frederick W. Oettinger 1968-9-5 727 Siskiyou Stream near campsite, SE side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  SEINET10585933  Carex abrupta Louis C. Wheeler 1935-7-26 Wheeler 3719 Siskiyou Siskiyou Mts. S12, T47N, R10W. Mt Diablo Mer. Jaynes Canyon. Wet sunny meadow. 1951 Comment
  NY25680  Carex amplifolia A. A. Heller 1905-6-5 7974 Siskiyou Between Shasta Retreat and Shasta Springs Comment
  CAS-BOT-BC17864  Carex amplifolia Louis C. Wheeler 1934-6-14 2711 Siskiyou Klamath Forest. Hungry Creek. 1280 Comment
  HSC62615  Carex amplifolia Al Hobart 1968-6-18 Siskiyou Youngs Valley Comment
  CAS-BOT-BC17968  Carex angustata Frank Walton Gould 1940-5-14 1229 Siskiyou Bull Meadows, Goosenest Mountain. 1524 Comment
  HSC48639  Carex aquatilis D. H. Norris May 1970 12267 Siskiyou Haypress Meadows, Marble Mtn. Wilderness Area Comment
  RSA120304  Carex aquatilis S. S. Tillett 1956-7-9 639 Siskiyou Northeast facing slope of Scott Mountain. Trinity-Siskiyou Cos line. 1829 Comment
  HSC85832  Carex aquatilis var. dives L. P. Janeway 1983-7-24 453 Siskiyou Poker Flat: slope between upper & lower parts of meadow. 1524 Comment
  JEPS63749  Carex bolanderi Willis L. Jepson 1894-8-4 54 a Siskiyou Cedar Spring Mt. Shasta, Cedar Spring Comment
  HSC76799  Carex bolanderi L. P. Janeway 1982-6-22 18 Siskiyou Next to creek 15 m below road from West Branch Guard Station towards Indian Creek 671 Comment
  CAS-BOT-BC34161  Carex breweri William Bridge Cooke 1938-8-18 11498 Siskiyou Mt. Shasta. 2499 Comment
  RSA739864  Carex breweri L. P. Janeway, B. Castro 2007-7-29 9141 Siskiyou High Cascade Range, Medicine Lake Highlands, Pumice Stone Mtn 2054 Comment
  SDSU11614  Carex breweri var. breweri D. F. Howe 1962-8-6 3403 Siskiyou Mt. Shasta, Shasta National Forest 2438 Comment
  HSC76384  Carex concinnoides L. P. Janeway 1982-6-22 21 Siskiyou 400 m NE of West Branch Guard Station near road to Indian Creek, 15 m below road, near creek 671 Comment
  HSC170  Carex cusickii William J. Ferlatte 1966-8-2 234 Siskiyou Big Flat, between campground and S fork of the Salmon River 1524 Comment
  CAS-BOT-BC34881  Carex deflexa var. boottii John Thomas Howell 1939-8-3 15007 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  RSA610959  Carex densa L. C. Wheeler 1935-5-11 3475 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  HSC71096  Carex echinata subsp. echinata Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4513 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  HSC96548  Carex echinata subsp. echinata Gordon Leppig 1998-7-10 904 Siskiyou Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  HSC29643  Carex echinata subsp. echinata Frederick W. Oettinger 1968-8-3 372 Siskiyou Marble Mountains Wilderness Area, High Lake Basins, at 'Base Camp Meadow,' midway down Diamond Lake- Hancock Lake Trail 2012 Comment
  POM229215  Carex echinata subsp. echinata L. C. Wheeler 1935-7-26 3721 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  HSC89537  Carex exsiccata K. Berg, Stephanie Bennett 1986-8-25 652 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  HSC97426  Carex feta Gail Newton 1980-6-20 461 Siskiyou Near Bald Mtn. 1097 Comment
  CAS-BOT-BC20133  Carex feta W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klink's Meadow. Sisson. Comment
  CAS-BOT-BC20751  Carex fracta Rimo Bacigalupi 1959-7-1 7209 Siskiyou Western Slopes at broadening base of Mt. Shasta. 1676 Comment
  HSC48100  Carex fracta D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19537 Siskiyou Along Hwy. 96 about 8 mi. W of junction with I-5 Comment
  SEINET10652997  Carex gigas Thomas W. Nelson, Jane P. Nelson; James P. Smith 1978-7-24 Nelson 4544 Siskiyou Siskiyou-Trinity County line. China Mountain Quad. T39N, R7W, Sec. 5. Bog at head of Scott Mountain Creek south of Forest Service Campground. 1646 Comment
  SEINET12578598  Carex hoodii M. L. Conrad, Dunn; Kenney 1973-6-2 6986 Siskiyou 17.4 miles northeast of Cecilville Store, on road to Callahan.; 0 2073 Comment
  RSA550447  Carex infirminervia R. Tallent 1987-8-12 901 Siskiyou Klamath National Forest: Long Gulch Lake; SE end of lake. 1945 Comment
  JEPS102967  Carex inops subsp. inops L. P. Janeway 2002-7-13 7641 Siskiyou High Cascade Range. Along a logging spur road 0.2 km south-east of Road 13 (Pilgrim Creek Road) 9.0 km northeast of the Military Pass Road (Road 19); 0.2 km north of Edison Creek. Visible along miles of Pilgrim Creek Road 1347 Comment
  CAS-BOT-BC7660  Carex integra W. J. Ferlatte 1966-6-23 124 Siskiyou Yellow Rose Mine. 1981 Comment
  HSC85835  Carex integra L. P. Janeway 1983-8-6 491 Siskiyou Poker Flat, upper part of lower portion of meadow 1524 Comment
  UC1608359  Carex integra J. Kierstead 1991-7-3 91 -90 Siskiyou Fawn Creek Meadow Shasta-Trinity National Forests, Mt. Shasta Ranger Dist. 1828 Comment
  UC630392  Carex lenticularis var. impressa Annetta Carter 1939-8-20 1461 Siskiyou 12 mi sw Etna (nw side of Taylor Lake); Salmon Mountains, Taylor Lake 2026 Comment
  UC194550  Carex lenticularis var. lipocarpa Geo. D. Butler 1910-7-8 1665 Siskiyou Log Lake Shackleford Creek 121 Comment
  RSA237288  Carex lenticularis var. lipocarpa Frederick W. Oettinger 1968-9-7 750 Siskiyou North side of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  CHSC40171  Carex luzulina Lawrence Janeway 1982-7-2 34 Siskiyou At Poker Flat, at end of rd 18N33. Upper part of meadow. 1524 Comment
  JEPS109545  Carex luzulina var. ablata Dean W. Taylor 1988-7-9 9938 Siskiyou Gumboot Lake, headwaters South Fork Sacramento River 1950 Comment
  UC1147817  Carex luzulina var. ablata John Thomas Howell 1937-7-23 13332 Siskiyou near Big Flat (South Fork of Salmon River) 1524 Comment
  POM254198  Carex luzulina var. ablata J. T. Howell 1939-8-7 15120 Siskiyou Marble Mountain: Sky High Valley. 1829 Comment
  SEINET7566776 Image available Carex mariposana Frederick W. Oettinger 1968-9-6 735 Siskiyou High Lake Basin in the vicinity of English Peak, Marble Mountains Wilderness Area. On trail NE of Tom's Lake. 2164 Comment
  HSC68461  Carex mendocinensis Maralyn A. Renner 1980-7-4 1455 Siskiyou Clear Creek Trail, N of Trout Camp 1037 Comment
  CAS-BOT-BC31781  Carex mertensii R. Tallent 1987-8-12 900 Siskiyou Klamath National Forest. Long Gulch Lake, near where creek exits lake. 1939 Comment
  HSC29664  Carex mertensii Frederick W. Oettinger 1969-9-4 1650 Siskiyou Marble Mtn. Wilderness Area, dry meadow below Tobacco Lake 1890 Comment
  HSC62587  Carex mertensii Ruby Van Deventer 1957-7-8 Siskiyou Youngs Valley Comment
  JEPS84064  Carex microptera L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6436 Siskiyou ca. 5 mi n town of Seiad Valley (cirque at head of Hell's Canyon, e slope of Kangaroo Mountain); Kangaroo Mountain, Hell's Canyon 1828 Comment
  HSC45958  Carex multicaulis J. P. Smith 1973-5-5 6406 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  SEINET3356156 Image available Carex multicaulis Barbara L. Wilson, Richard E. Brainerd, Nick Otting 2009-5-6 15479 Siskiyou Along Ager-Beswick Road on south of Copco Reservoir Comment
  UCD140652  Carex multicaulis John Thomas Howell 1937-7-26 13556 Siskiyou Caribou Gulch. Comment
  CAS-BOT-BC32008  Carex multicaulis Roxana S. Ferris; Laura Lorraine 1948-6-12 11801 -A Siskiyou At Mule Creek crossing, Scott Mountain road south of Callahan. Comment
  HSC37147  Carex multicaulis J. O. Sawyer 1969-6-11 822 Siskiyou Near C.C.C. road, in Horse Range Creek drainage 1360 Comment
  HSC37184  Carex multicaulis J. O. Sawyer 1968-6-25 298 Siskiyou 1646 Comment
  SEINET10713500  Carex multicaulis William B. Cooke 1941-8-28 Cooke 16237 Siskiyou Scattered through the dry Shasta Fir woods in the vicinity of Squaw Valley Creek, Mt. Shasta. 2286 Comment
  SEINET8275892  Carex multicaulis Elmer I. Applegate 1895-5-28 784 Siskiyou Sisson, Strawberry Valley, Siskiyou County, California Comment
  CAS-BOT-BC32280  Carex multicostata R. Tallent 1961-7-14 644 -A Siskiyou Klamath National Forest, Forest Rd 39N11 at Little Jackson Creek. 1739 Comment
  HSC33316  Carex multicostata William J. Ferlatte 1974-7-14 1524 Siskiyou Big Flat, near South Fork of Salmon River, campground 1524 Comment
  HSC77037  Carex multicostata K. T. Stillman 1976-6-17 18 Siskiyou Marble Mountain Wilderness Area, head of Elk Valley 1768 Comment
  CAS-BOT-BC119203  Carex pachystachya A. A. Heller 1916-7-20 12468 Siskiyou Near Wagon Creek Falls, E side of Mt. Eddy 1524 Comment
  CHSC40202  Carex pachystachya L. P. Janeway 1983-8-27 622 Siskiyou South end and sl above dry bed of vernal pond. Near the Twin Valley/Poker Flat trail. 1676 Comment
  SEINET10715701  Carex pellita A. Arthur Heller 1905-6-22 Heller 8095 Siskiyou Between Igerna and Weed. Comment
  CHSC91375  Carex praegracilis Lowell Ahart; John Dittes 2005-6-10 12108 Siskiyou Slope, 30 yards east of the Shasta River, about 60 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CHSC106709  Carex preslii Barbara Ertter 1990-7-14 9317 Siskiyou E side Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mi N of Morgan Meadows, steep E-facing serpentine hillside. 1676 Comment
  HSC67702  Carex preslii Maralyn A. Renner 1980-8-8 2447 Siskiyou Rattlesnake Meadow 1646 Comment
  UC834554  Carex preslii John Thomas Howell 1939-8-9 15203 Siskiyou Sky High Valley Marble Mountians 1828 Comment
  HSC37426  Carex raynoldsii J. O. Sawyer 1969-7-24 1482 Siskiyou SW of Sugar Lake 1890 Comment
  CHSC109958  Carex rossii Peter F. Zika; Julie Nelson 2012-6-21 25908 Siskiyou Ridge above South Fork Willow Creek, 9 air km ENE of Gazelle Mountain, Shasta-Trinity National Forest, FS Road 42N42Y, 0.25 road miles E of junction with 42N19, Klamath Range. 1665 Comment
  CHSC53659  Carex rossii L. P. Janeway; Gary Benson, Randy Harrison 1984-8-20 1056 A Siskiyou On cinder cone SW of Undertakers Camp. 2087 Comment
  UCD77473  Carex rossii Robert E. Preston 2001-6-23 1548 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W ne 1/4 of se 1/4 Section 14 1828 Comment
  CAS-BOT-BC118213  Carex rossii L. P. Janeway 1983-8-28 647 Siskiyou Preston Peak quad, At poker Flat 1524 Comment
  HSC62623  Carex rostrata Al Hobart 1968-6-13 Siskiyou Youngs Valley Comment
  HSC91238  Carex scabriuscula Jennifer Whipple 1976-6-19 1050 Siskiyou Near Durney Lake 2073 Comment
  RSA0089579  Carex scabriuscula Dean Wm. Taylor 2002-8-7 18296 Siskiyou Logging road below Tamarack Lake, East Fork Trinity River; seepage area ca. 300 m south of area shown on topographic maps as 4991T. 0.2 mi N of the creek crossing. 1546 Comment
  UCSB63775  Carex scabriuscula Oswald, Vernon; Ahart, Lowell 1998-8-3 Siskiyou Near the Pacific Crest Trail; in the Scott Mtns.; west of Kangaroo Lake: T40N R7W NW1/4 Sect. 14 1981 Comment
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Dec 24 2010
  RSA238967  Carex scopulorum Frederick W. Oettinger 1968-9-9 804 Siskiyou Tom s Lake lower meadow. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CDA33144  Carex senta G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2636 Siskiyou Between highway and East Fork of Scott River, ca. 500 ft east of Highway 3 bridge, 2 miles east of Callahan. Comment
  HSC30671  Carex spectabilis Frederick W. Oettinger 1969-9-2 1602 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow near Tom Taylor Cabin 2165 Comment
  UC618819  Carex spectabilis J. W. Stacey 1938-9-8 11666 Siskiyou upper portion Squaw Creek Meadows (at Squaw and Panther Creeks and in The South Gate); Mount Shasta Comment
  UC642543  Carex spectabilis J. W. Stacey 1939-7-26 13748 Siskiyou in west boreal spring above Panther Creek Meadows; Mount Shasta Comment
  CAS-BOT-BC117237  Carex spectabilis William Bridge Cooke 1939-7-26 13748 Siskiyou Small spring on W side of wide dray above Panther Creek Meadows. 2743 Comment
  RSA238963  Carex spectabilis Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1259 Siskiyou Lower pond, Tom s Lake Region. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC1023842  Carex stipata var. stipata Douglas Barbe 1955-6-29 29 Siskiyou 1 mi e Callahan; Klamath Mountains 975 Comment
  SEINET10749876  Carex straminiformis Edwin B. Copel 1903-8-16 Copeland 3893 Siskiyou Mt. Shasta. 2438 Comment
  CAS-BOT-BC115859  Carex subfusca Louis C. Wheeler 1934-6-22 2754 Siskiyou Cottonwood Creek. 914 Comment
  HSC36253  Carex subfusca J. O. Sawyer 1969-7-24 1196 Siskiyou NE facing slope above Sugar Lake 1784 Comment
  JEPS84179  Carex subfusca L. R. Heckard with J. Hickman 1986-7-17 6526 Siskiyou Oak Knoll Road to Condrey Mt. (near small Dry Lake, n of Hwy. 96 (Walker)) Comment
  SEINET7484118 Image available Carex subfusca Ray Tallent 1987-1 911 Siskiyou Klamath National Forest. Trail to Long Gulch Lake 1820 Comment
  JEPS84070  Carex vesicaria var. vesicaria L. R. Heckard with S. D'Alcamo, J. Hickman, W. Roderick 1986-7-16 6397 Siskiyou ca. 5.5 mi. n. town of Seiad Valley (s.e. of Red Butte, Lily Pad Lake); Lily Pad Lake 1470 Comment
  UCD77466  Carex vulpinoidea Robert E. Preston 2000-6-25 1381 Siskiyou On n shore of Irongate Reservoir, 0.1 mi downstream of confluence of Klamath River and Fall Creek, T48N R5W sw 1.4 of ne 1/4 Section 36 216 Comment
  CHSC592  Cassiope mertensiana V. Holt 1932-7-10 Siskiyou Mt. Eddy. 2438 Comment
  HSC22113  Cassiope mertensiana subsp. ciliolata J. O. Sawyer 1969-8-3 1729 Siskiyou W of Little Duck Lake 2195 Comment
  RSA316749  Castilleja angustifolia Patricia Wilder 1965-9-29 4197 -a Siskiyou Lava Beds National Monument; on path leading to top of Schonchin Butte. Tule Lake drainage area. 1494 Comment
  HSC668  Castilleja applegatei William J. Ferlatte 1967-7-9 684 Siskiyou Kidd Creek Trail 1829 Comment
  HSC673  Castilleja applegatei William J. Ferlatte 1967-7-26 746 Siskiyou Caribou Basin, ridge W of Big Caribou Lake. 2134 Comment
  HSC76985  Castilleja applegatei subsp. martinii K. T. Stillman 1976-6-25 65 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  HSC43833  Castilleja applegatei subsp. pinetorum Maralyn O'Meara 1974-5-27 487 Siskiyou Along FS Rd. 47N03 1280 Comment
  UC642564  Castilleja applegatei subsp. pinetorum Alice Eastwood 1939-7-14 13693 Siskiyou Sisson Southern Trail; Mount Shasta Comment
  JEPS55948  Castilleja applegatei subsp. pinetorum T. I. Chuang and L. R. Heckard 1968-7-3 6448 Siskiyou s of Black Butte Comment
  RSA789826  Castilleja applegatei subsp. pinetorum Rebecca Wenk 2005-7-20 354 Siskiyou National Forest Road 17, 1 mile down road to the north, heading towards Mt. Shasta. Comment
  CAS-BOT-BC243773  Castilleja applegatei var. pinetorum H. A. Thomas; J. H. Thomas 1954-7-25 4540 Siskiyou Below Rush Creek Meadow along Rush Creek, about 8 miles E of Cecilville, Salmon - Trinity Mts. 1828 Comment
  JEPS84015  Castilleja arachnoidea L. R. Heckard with J. Hickman et al. 1986-7-17 6493 Siskiyou ca 14.5 mi from Hwy 96 (Walker) (Oak Knoll Ranger Station road to Condrey Mt., near Dry Lake); road to Condry Mt., near Dry Lake 1950 Comment
  UC1096789  Castilleja arachnoidea H. K. Wagnon 1957-8-11 1694 Siskiyou 6 mi w Military Pass Rd. (along Brewer Creek, e slope of Mount Shasta); Mt. Shasta, Brewer Creek Comment
  UC1561055  Castilleja arachnoidea Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-7 9022 Siskiyou near Yellowjacket Ice Cave (Medicine Lake highland); Upper Modoc Plateau 1798 Comment
  JEPS13484  Castilleja arachnoidea Douglas Barbe 1955-7-26 285 Siskiyou n slope below the summit Scott Mountain; Klamath Mountains, Scott Mountain 1981 Comment
  HSC69401  Castilleja miniata Maralyn A. Renner 1980-8-8 2439 Siskiyou Rattlesnake Meadow 1646 Comment
  JEPS1756  Castilleja miniata Freed Hoffman 1951-7-12 4046 Siskiyou about 8 mi above Scott River (Hammonds Stock-raising Camp, on Kelsey Creek); Marble Mountains, Kelsey Creek 1524 Comment
  HSC19256  Castilleja miniata J. O. Sawyer 1969-7-18 1423 Siskiyou E of Russian Lake 2043 Comment
  CAS-BOT-BC32556  Castilleja muscipula John Thomas Howell 1939-8-4 15060 Siskiyou Near Spirit Lake, Marble Mts. 1828 Comment
  UC725776  Castilleja pilosa A. A. Heller 1938-7-12 15261 Siskiyou e base Deer Mountain 1432 Comment
  HSC58884  Castilleja pruinosa Marvin Butler 1971-7-13 127 Siskiyou Near Cyclone Gap, close to the town of Cave Junction 1585 Comment
  JEPS60246  Castilleja pruinosa L. R. Heckard with L. Constance and R. Ornduff 1969-6-25 2311 Siskiyou nw edge Weed Comment
  RSA261373  Castilleja schizotricha J. M. Tucker, L. K. Mann 1963-8-18 3766 Siskiyou Saddle between Marble Mountain and SW ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area 2104 Comment
  HSC59636  Ceanothus cuneatus J. P. Smith 1973-5-5 6505 Siskiyou Along Cook and Green Pass Rd. Comment
  RSA399044  Ceanothus cuneatus Bonnie C. Templeton 1957-6-22 s.n. Siskiyou Along the Scott River, north of Callahan. Comment
  SFV5164  Ceanothus cuneatus B. C. Templeton 1960-6-21 8534 Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  UC375371  Ceanothus cuneatus var. cuneatus Geo. D. Butler 1909-5-20 497 Siskiyou near Yreka Comment
  CAS-BOT-BC50250  Ceanothus integerrimus Carl B. Wolf 1941-7-26 11079 Siskiyou Sacramento River Canyon, 1 mi. below Dunsmuir 670 Comment
  HSC27760  Ceanothus prostratus J. P. Smith, J. O. Sawyer 1972-9-13 5793 Siskiyou 2 mi. W of Cook and Green Pass on the road to Lily Pad Lake Comment
  JEPS19771  Ceanothus prostratus Rimo Bacigalupi with S. Galen Smith 1957-6-26 5957 Siskiyou e shore of Gumboot Lake, head of South Fork Sacramento River, close to Trinity Co. line 1859 Comment
  CAS-BOT-BC53085  Ceanothus prostratus W. R. Dudley 1899-8-14 s.n. Siskiyou Pig Creek Hill, near McCoud Comment
  UCR266168  Ceanothus sanguineus David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains, Klamath National Forest, Rye Patch Creek Trail 1700 Comment
  OBI6050  Ceanothus velutinus Carl B. Wolf 1931-9-3 2395 Siskiyou 1 mi W of summit of grade on road from Mt. Shasta City to McCloud 1219 Comment
  RSA381134  Ceanothus velutinus Roman Gankin, W. R. Hildreth 1967-10-27 1182 Siskiyou 2.6 road miles from Lafayette Point on USFS orad 39N04 off Black bear road between Sawyers Bar and Cecilville. 1707 Comment
  RSA398981  Ceanothus velutinus Bonnie C. Templeton 1960-6-16 8544 Siskiyou Between Bartle and McCloud Comment
  SJSU6540  Ceanothus velutinus R. W. Trivelpiece 1973-6-22 154 Siskiyou on trail to Big Duck & Little Duck L, Scott R drainage c. 7 mi W of Callahan 1920 Comment
  UCR47854  Ceanothus velutinus Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  CAS-BOT-BC52803  Ceanothus velutinus var. velutinus Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  CDA21355  Centaurea pratensis L. Wehmeyer 2001-11-7 s.n. Siskiyou Jct of W Ream and WA Barr Rd. in Mt. Shasta. 0 Comment
  OBI54096  Centaurea stoebe subsp. micranthos David J. Keil 1992-7-20 23500 Siskiyou Klamath NF, SW of Fort Jones. 1 mi N of Kelsey crk along Scott River Rd 800 Comment
  UCD130116  Centaurea stoebe subsp. micranthos T. C. Fuller 1963-8-26 11155 Siskiyou W. H. Kerr, Flying K Ranch, upper Quartz Valley, 2 miles south of Mugginsville. Comment
  HSC2177  Centromadia fitchii L. C. Wheeler 1934-10-6 3309 Siskiyou Shasta Valley 2 mi. SE of Yreka 854 Comment
  CHSC30247  Cephalanthera austiniae M. S. Taylor 1980-7-8 3087 Siskiyou On n side of Castle Lake Rd (39N24), ca. 0.9 mi w of its jct with 40N26 at se side of Lake Siskiyou, w of Mt. Shasta City. 1036 Comment
  HSC66262  Cephalanthera austiniae M. S. Taylor 1980-7-8 3087 Siskiyou N side of Castle Lake Rd (39N24)., 0.9 mi. W of its jct. with FS 40N26, at SE side of Lake Siskiyou 1037 Comment
  UC1586856  Cerastium arvense Juha Pykala and D. H. Norris 1987-6-26 2006 Siskiyou n. of Sulphur Springs (between Doolittle Creek and Stanza Creek - eastern tributaries of Elk Creek); Klamath Nat'l Forest 1400 Comment
  UC465650  Cerastium arvense Annie M. Alexander and L. Kellogg 1911-7-16 256 Siskiyou S. Fork Salmon R. 1524 Comment
  UC1777715  Cerastium dichotomum J. Di Tomaso 2002-5-17 Siskiyou 8 mi NE of Montague (York Rd, 3 m E of intersection with Mulloy Rd) Comment
  OBI68582  Cerastium dichotomum T. C. Fuller 1962-5-18 8745 Siskiyou Long Property, Little Shasta rd, 5 mi E of Montague Comment
  HSC68020  Cerastium fontanum subsp. vulgare J. P. Smith, Steve Selva 1970-6-16 4037 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  CHSC57447  Cercocarpus betuloides var. macrourus L. P. Janeway 1984-6-21 853 Siskiyou At Ferry Point, west side Klamath River. 289 Comment
  RSA449453  Cercocarpus ledifolius Louis C. Wheeler 1934-9-5 3246 Siskiyou Summit of Sterling Mt. 2128 Comment
  SEINET6332216  Cercocarpus ledifolius var. intermontanus D. Charlet, T. Charlet 1996-11-25 2342 Siskiyou Scott Mountains at pass at head of Willow Creek at junction with FS Rd. 41N03 1512 Comment
  CAS-BOT-BC148520  Cercocarpus ledifolius var. ledifolius Elmer I. Applegate 1935-6-7 9407 Siskiyou Indian Well, Lava Beds National Monument Comment
  CAS-BOT-BC148526  Cercocarpus ledifolius var. ledifolius Alice Eastwood 1912-8-30 1995 Siskiyou Mount Eddy Comment
  UC642590  Chaenactis douglasii var. douglasii Palmer Stockwell 1939-8-10 13872 Siskiyou between Squaw Valley Creek and Mud Creek Canyon 2895 Comment
  CAS-BOT-BC276763  Chaenactis douglasii var. douglasii Elmer I. Applegate 1935-1-1 3867 Siskiyou Top of Redshale Mountain, E of Medicine Lake 2438 Comment
  JEPS101314  Chaenactis suffrutescens Dean W. Taylor 1999-7-18 17286 Siskiyou Moffett Creek Road 2.8 miles South from junction with Highway 3, opposite confluence Crooked Creek 295 Comment
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Jul 5 2007
  UC1718090  Chaenactis suffrutescens John S. Mooring 1962-6-16 s.n. Siskiyou Greenview, at dead end of Main Street Comment
  CAS-BOT-BC141581  Chamaebatiaria millefolium Elmer I. Applegate 1932-6-13 7240 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  HSC46341  Chamaecyparis lawsoniana J. P. Smith, Steve Selva 1970-7-15 4343 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  UCR110582  Chamaecyparis nootkatensis L. C. Wheeler 1963-8-25 8275 Siskiyou Preston Peak: Summit ridge 2134 Comment
  RSA12607  Chamaesyce serpillifolia C. B. Wolf 1934-7-6 5978 Siskiyou 1/4 mile east of Mt. Shasta City, southwest slope of Mt. Shasta 1098 Comment
  CDA35272  Chamaesyce serpyllifolia T. C. Fuller 1958-6-19 1806 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  OBI53600  Chamerion angustifolium Steve Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity Natl Forest, S of Mt Shasta (T40N, S3W, E1/2 sec 8) 1768 Comment
  UCD103638  Chamerion angustifolium Steve. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta-Trinity National Forest, S of Mt. Shasta. 1767 Comment
  HSC19498  Chamerion angustifolium subsp. circumvagum J. O. Sawyer 1969-8-4 1864 Siskiyou Slope SW of Sugar Lake 2195 Comment
  RSA211176  Cheilanthes gracillima William J. Ferlatte 1966-6-22 117 Siskiyou Josephine Lake basin 1677 Comment
  UC399610  Cheilanthes gracillima Geo. D. Butler 1910-3-13 1126 Siskiyou rocky bluff on Klamath River Comment
  HSC92340  Chenopodium atrovirens Jennifer Whipple 1977-8-5 2189 Siskiyou Near Little Crater Lake 2195 Comment
  CDA30922  Chenopodium botrys M. Beyers, G. F. Hrusa 2010-8-18 699 Siskiyou Highway 96; Sluice Box Klamath River Access. 556 Comment
  RSA0110269  Chenopodium incognitum L. C. Wheeler 1935-7-26 3709 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  HSC67493  Chimaphila menziesii J. P. Smith, Steve Selva 1970-6-15 3933 Siskiyou Between Forks of Salmon and Cecilville. Comment
  UC876095  Chimaphila menziesii Alice Eastwood 1912-7-15 1114 Siskiyou McCloud Comment
  CAS-BOT-BC452279  Chimaphila umbellata Doris K. Kildale 1929-8-24 9074 Siskiyou Rattlesnake Meadow, near Preston Peak 1524 Comment
  CHSC33839  Chimaphila umbellata J. D. Prouty 1981-7-13 1233 Siskiyou W slope of Lookout Point. 1615 Comment
  HSC67642  Chimaphila umbellata J. P. Smith, Steve Selva 1970-7-17 4461 Siskiyou Below Kangaroo Lake. 1890 Comment
  CAS-BOT-BC452260  Chimaphila umbellata Gilbert Muth 1965-8-10 s.n. Siskiyou Marble Valley and along upper trails Comment
  CAS-BOT-BC452266  Chimaphila umbellata W. R. Dudley 1907-8-24 s.n. Siskiyou Salmon Mountains Comment
  HSC44588  Chimaphila umbellata Laura Witherspoon 1977-7-17 Siskiyou 1/2 mi. up F.S. Rd. 13N50 1220 Comment
  UC849194  Chorizanthe membranacea Alice Eastwood 1912-7-25 1447 Siskiyou Pitt to Baird (Mount Shasta); , Pitt to Baird Comment
  CDA7382  Chrysanthemum balsamita F. D. Horn 1976-9-17 Siskiyou Hennessy Street. McCloud. 0 Comment
  HSC100196  Chrysolepis chrysophylla var. minor J. P. Smith, & J. O. Sawyer 2011-9-5 13420 Siskiyou Along Klamath National Forest Service Road 45N28, 0.2 mi. W of junction with Yreka-Walker Road. 1474 Comment
  CAS-BOT-BC36202  Chrysolepis sempervirens E. B. Copeland 1903-8-13 3835 Siskiyou Sisson 1066 Comment
  JEPS37660  Chrysolepis sempervirens B. Wise Neilsen 1936-10-18 Siskiyou 2 mi nw Etna Mt.; Salmon Mt. Comment
  UCR143370  Chrysothamnus nauseosus subsp. albicaulis L. C. Wheeler 1934-6-26 2788 Siskiyou Siskiyou Mtns, Camp Lowe, Klamath River, Mt. Diablo Meridian 732 Comment
  UC1048584  Chrysothamnus viscidiflorus subsp. viscidiflorus Lewis S. Rose 1941-8-28 41427 Siskiyou Dorris 1291 Comment
  UC904776  Chrysothamnus viscidiflorus subsp. viscidiflorus W. Bridge Cooke 1949-8-26 25689 Siskiyou opposite Coquette Falls (e bank of Bolam Creek); Mount Shasta, Bolam Creek 2590 Comment
  CDA38295  Cicuta douglasii T. C. Fuller 1984-7-3 20429 Siskiyou On east side of railroad, north limits of Mt. Shasta City. 0 Comment
  HSC96870  Cinna latifolia Gordon Leppig 1998-8-13 998 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, in cirque W of Little Duck Lake 2200 Comment
  SBBG25817  Circaea alpina D. Myrick 1966-8-10 1524 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  HSC182  Circaea alpina subsp. pacifica William J. Ferlatte 1966-8-3 284 Siskiyou Josephine Lake basin. 1677 Comment
  JEPS69768  Circaea alpina subsp. pacifica W. B. and V. G. Cooke 1972-7-6 45455 Siskiyou along Mud Creek Dam rd. Mt. Shasta 1371 Comment
  UC1550271  Cirsium ciliolatum W. J. Ferlatte 1988-6-28 2114 Siskiyou ne corner at intersection of York Rd. and Mulloy Rd. 813 Comment
  JEPS86289  Cirsium cymosum var. cymosum W. L. Jepson 1940-6-22 19977 Siskiyou near Hawkinsville; Shasta River 792 Comment
  UC1177351  Cirsium cymosum var. cymosum J. Thomas Howell 1952-6-14 28336 Siskiyou 2 mi from (on Fort Jones road) Yreka 807 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
  JEPS109258  Cirsium remotifolium var. rivulare D. W. Taylor 2002-7-27 18277 Siskiyou Salmon Mountains, logging road ca 1 mile N of Carter Meadow Summit, 8 miles SW of Callahan. Comment
  CDA7429  Cirsium vulgare T. C. Fuller 1962-8-3 9501 Siskiyou Siskiyou Mountains: 200 yards up Raggedass Gulch, east of Beaver Creek, 5 miles north of the Klamath River. 0 Comment
  HSC46175  Clarkia gracilis subsp. gracilis Jennifer Whipple 1978-6-5 2328 Siskiyou Weston Gulch in Scott Valley 854 Comment
  CAS-BOT-BC172568  Clarkia purpurea subsp. purpurea L. E. Smith 1913-6-20 384 Siskiyou Weed Comment
  RSA105440  Clarkia purpurea subsp. quadrivulnera Douglas Barbe 1955-7-1 73 Siskiyou Klamath Mountains: 1.3 miles east of Etna on the Westside Road to Callahan 854 Comment
  UC1223247  Claytonia cordifolia Joseph P. Tracy 1951-6-16 19460 Siskiyou n of Siskiyou Mountains summit of crossing (where small stream crosses road); Siskiyou Mountains Comment
  CAS-BOT-BC292669  Claytonia obovata Ira L. Wiggins 1950-5-28 12393 Siskiyou 0.3 miles west of Carmen Lake 1706 Comment
  SEINET7042820  Claytonia perfoliata A. G. Vestal 1955-5-16 s.n. Siskiyou Open pine country just west of Weed between railroad and highway 99 [I5]. Weed quadrangle UTM Zone 10, 549920mE, 4586493mN. Comment
  HSC64294  Claytonia perfoliata subsp. intermontana J. P. Smith 1973-5-5 6405 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  RSA101989  Claytonia rubra Geo. D. Butler 1910-5-5 1289 Siskiyou [Huckleberry] Mountain. 1220 Comment
  CAS-BOT-BC443827  Claytonia rubra subsp. rubra Geo. D. Butler 1910-5-5 1289 Siskiyou Humbug Mountain 1219 Comment
  UC1408943  Claytonia rubra subsp. rubra Frederick W. Oettinger 1969-7-29 1105 Siskiyou Uncle's Lake Salmon Mountains, Marble Mountain Wilderness Area, English P (vicinity of English Peak, w Siskiyou County) 1859 Comment
  CAS-BOT-BC443821  Claytonia rubra subsp. rubra A. A. Heller 1919-6-30 13286 Siskiyou Near Durney's mill, north base of Mt. Eddy Comment
  JEPS24436  Claytonia saxosa Dorothy Boedecker 1941-3-17 Siskiyou e side Scott Valley 914 Comment
  RSA211260  Claytonia sibirica William J. Ferlatte 1966-6-22 109 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  RSA211262  Claytonia sibirica William J. Ferlatte 1966-6-23 144 Siskiyou At Big Flat Hillside seep between campground and S. Fork of the Salmon River 1524 Comment
  SEINET3159191  Clematis ligusticifolia G. D. Butler 1910-8-3 1810 Siskiyou Yreka creek Comment
  SEINET6907101  Clematis ligusticifolia M. K. Solecki, J. B. Taft 1986-9-9 2144 Siskiyou Bank of Scotty River near Indian Scotty campground; elevation 2,200 feet. 670 Comment
  UC857658  Cleome platycarpa L. E. Smith Jul 1912 Siskiyou Montague Comment
  HSC580  Clintonia uniflora William J. Ferlatte 1967-7-9 702 Siskiyou Kidd Creek Trail 1677 Comment
  CAS-BOT-BC500957  Clintonia uniflora L. E. Smith 1913-9-1 s.n. Siskiyou Mount Eddy Comment
  HSC36717  Clintonia uniflora Brent Whiteley 1975-6-29 106 Siskiyou 976 Comment
  SEINET8472238  Clintonia uniflora W. Roderick 1967-7-22 s.n. Siskiyou N of Happy Camp on road to O'Brien. 1219 Comment
  RSA145236  Collinsia linearis Dorothy Parker 1960-5-23 750 Siskiyou Salmon River below Sawyer's Bar. Comment
  JEPS66321  Collinsia parviflora L. R. Heckard with T. I. Chuang 1971-6-16 2585 Siskiyou ca 2 mi n Weed (along US Hwy 97) 1066 Comment
  JEPS6165  Collinsia rattanii Geo. D. Butler 1909-4-26 616 Siskiyou Oro Fino Comment
  SBBG18759  Collinsia rattanii C. B. Hardham 1961-7-2 8056 Siskiyou Salmon Mtn Summit 1828 Comment
  UC164319  Collinsia rattanii Geo. D. Butler 1909-4-14 651 Siskiyou Humbug Road Comment
  POM43380  Collinsia rattanii Geo. D. Butler 1909-4-25 609 Siskiyou Quartz Valley. Comment
  UC164472  Collinsia rattanii Geo. D. Butler 1910-4-16 1188 Siskiyou Klamath Bluffs near Yreka; Klamath Bluffs Comment
  RSA412241  Collinsia torreyi Louis C. Wheeler 1934-6-12 2692 Siskiyou Hungry Creek Lookout, Siskiyou Mountains. 1463 Comment
  JEPS69759  Collinsia torreyi var. latifolia W. B. & V. G. Cooke 1972-7-6 45456 Siskiyou along Mud Creek Dam Rd Mt. Shasta 1371 Comment
  UC1409406  Collinsia torreyi var. latifolia Frederick W. Oettinger 1969-7-15 1028 Siskiyou meadow s of Tom Taylor Cabin (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness, Salmon Mountains, Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness 2026 Comment
  UC455465  Collomia grandiflora I. J. Condit 1909-8-22 Siskiyou Sisson Comment
  UC879755  Collomia grandiflora A. A. Heller 1916-6-23 12436 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  POM259288  Collomia tinctoria J. T. Howell 1939-8-9 15239 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  UC1409299  Collomia tinctoria Frederick W. Oettinger 1969-8-12 1349 Siskiyou side of English Lake Trail above Willow Spring (high lake basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area Comment
  UC1409300  Collomia tinctoria Frederick W. Oettinger 1969-7-11 969 Siskiyou along trail from English Lake to Diamond Lake (high lake basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  HSC27966  Collomia tracyi Carl W. Mize 1972-6-8 4 Siskiyou Along main trail 335 Comment
  UC902031  Collomia tracyi Joseph P. Tracy 1949-9-18 18558 Siskiyou on road between Cecilville and Sawyer's Bar; Blue Ridge 1584 Comment
  UC165248  Conium maculatum Geo. D. Butler 1909-6-26 924 Siskiyou near Yreka Comment
  HSC46112  Corallorhiza maculata J. P. Smith, Steve Selva 1970-6-16 3989 Siskiyou 6 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1280 Comment
  JEPS64348  Corallorhiza maculata W. L. Jepson 1940-6-27 20039 Siskiyou Mt. Shasta; e slope 1828 Comment
  HSC61807  Corallorhiza maculata Ruby Van Deventer 13 Jun [year missing] Siskiyou Poker Flat 1585 Comment
  JEPS104436  Corallorhiza mertensiana Martin J. Lenz 2003-6-9 17 Siskiyou approx. 1.2 mi E of Deadhorse Summit, along logging road 60A 1378 Comment
  SJSU2576  Corallorhiza mertensiana H. L. Buckalew 1962-7-7 Siskiyou Poker Flat c. 3 mi W of junction of Indian Creek with W Branch of Indian Creek 1066 Comment
  JEPS86236  Cordylanthus tenuis subsp. pallescens L. R. Heckard 1979-8-16 5157 Siskiyou n Mt. Shasta City (just sw of Black Butte, corner of old Hwy 99 and Pony Tail Dr.) 914 Comment
  JEPS57396  Cordylanthus tenuis subsp. viscidus L. R. Heckard with T. I. Chuang 1968-7-2 1971 Siskiyou n side Mt. Shasta (along Bolam logging road at e-w fork) 1463 Comment
  JEPS74930  Cordylanthus tenuis subsp. viscidus T. I. and F. M. Chuang 1975-7-21 7545 Siskiyou s side Dunsmuir 762 Comment
  UC885672  Cordylanthus tenuis subsp. viscidus Alice Eastwood 1917-9-2 6664 Siskiyou Shasta Springs Comment
  JEPS7008  Cordylanthus tenuis subsp. viscidus Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-12 4790 Siskiyou 5.1 mi below (and se of) summit of road between Takilma, Ore. and Happy Camp, CA (drainage of West Branch of Indian Creek); Siskiyou Mountains, Klamath National Forest 914 Comment
  CAS-BOT-BC212272  Cornus glabrata A. A. Heller 1922-6-22 13666 Siskiyou Along the Pacific Highway on a stream bank on the slope of the siskiyou Mountains near the Oregon line. Comment
  CAS-BOT-BC212282  Cornus glabrata W. R. Dudley 1899-8-24 s.n. Siskiyou East Fork of Scott's Creek near Callahan's Comment
  CAS-BOT-BC212053  Cornus nuttallii J. H. Thomas 1954-5-13 4134 Siskiyou Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, vicinity of Blind Horse Creek, Salmon Mountains, Klamath National Forest 1066 Comment
  HSC73466  Cornus nuttallii Grunert 37 Siskiyou On Rd. 41NF1, ca. 6 mi. from Hwy. 3 1311 Comment
  SD76143  Cornus nuttallii Helen V. Witham 1969-10-7 588 Siskiyou 3.0 miles south of Scott's Bar. 500 Comment
  UC796577  Cornus nuttallii Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11748 Siskiyou French Creek Logging Rd. w. of Callahan 1066 Comment
  SEINET7042817  Cornus nuttallii A. G. Vestal 1955-5-15 s.n. Siskiyou At the Nugget Motel, Yreka. Ureka quadrangle UTM Zone 10, 529905mE, 4619722mE. Comment
  CAS-BOT-BC210392  Cornus sericea Doris K. Kildale 1928-8-18 6424 Siskiyou North Fork Salmon River at Finley Camp Comment
  CHSC451  Cornus sericea subsp. sericea M. Yoder 1941-7-21 Siskiyou Castle Lake. 1981 Comment
  UCD105669  Coronilla varia T. C. Fuller; G. D. Barbe 1972-6-13 943 Siskiyou Siskiyou Avenue exit from I 5 north of Dunsmuir; driveway to Dunsmuir Elementary School. Comment
  CAS-BOT-BC180193  Corylus cornuta subsp. californica John Thomas Howell 1937-7-23 13352 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  UCD110062  Corylus cornuta subsp. californica B. Crampton 1956-8-21 3848 Siskiyou Canyon of the Sacramento River just above the junction of the North Fork with the Middle and South Forks. 1066 Comment
  POM106651  Corylus cornuta var. californica Geo. D. Butler 1908-3-2 1076 Siskiyou Forest House Mountain. Comment
  JEPS109397  Crataegus gaylussacia Dean W. Taylor 2004-7-19 19186 Siskiyou Weed, wet meadow just east of town limits along Boles Creek 1051 Comment
  RSA15690  Crataegus suksdorfii Carl B. Wolf 1927-8-26 1080 Siskiyou Klamath River. 4 miles below Hamburg Comment
  UCD130931  Crepis intermedia Morris Halperin 1930-5-17 s.n. Siskiyou around Yreka. Comment
  CAS-BOT-BC376485  Crepis occidentalis subsp. conjuncta Roxana S. Ferris; Laura Lorraine 1948-6-12 11712 Siskiyou Schoolhouse Hill, Plowmans Valley [Noyes Valley], e. fork of Scott River Comment
  UC313844  Crepis occidentalis subsp. occidentalis J. L. Collins 1927-6-9 Siskiyou Yreka Comment
  CAS-BOT-BC290843  Crepis occidentalis subsp. pumila A. M. Vollmer; L. Beane 1951-5-31 28 Siskiyou Scott Mountain Comment
  HSC19046  Crepis pleurocarpa J. O. Sawyer 1969-7-18 1390 Siskiyou Head of S Russian Creek 1829 Comment
  OBI55464  Crepis pleurocarpa David J. Keil, Kathleen Keil 1992-7-21 23540 Siskiyou Klamath Natl forest SE of Callahan. forest Rd 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  CAS-BOT-BC290882  Crepis pleurocarpa Louis C. Wheeler 1934-8-16 3168 Siskiyou Klamath National Forest. 2 mi. E White Mt. 1920 Comment
  SEINET11835677  Crepis pleurocarpa C. G. Pringle 1882-1 s.n. Siskiyou Mts. about the head waters of the Sacramento River Comment
  HSC39750  Crocidium multicaule J. O. Sawyer 1970-4-4 2084 Siskiyou Along Sugar Creek 823 Comment
  CHSC85763  Cryptantha flaccida G. Douglas Barbe; J. T. Howell, T. C. Fuller 1980-5-20 2770 Siskiyou Klamath Ranges. At the bridge of Hwy 3 over the East Fork Scott River, 2 mi W of Callahan. 987 Comment
  CHSC57422  Cryptantha milobakeri L. P. Janeway 1984-6-22 873 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08. 1645 Comment
  HSC27642  Cryptantha torreyana Carl W. Mize 1972-6-21 75 Siskiyou Along main trail 305 Comment
  RSA113740  Cryptantha torreyana A. H. Murphy 1956-8-14 56 -D Siskiyou Little Mill Creek Meadows, Klamath National Forest. Hopland Field Station. 2012 Comment
  NY16610  Cupressus bakeri C. B. Wolf 1934-10-8 6167 Siskiyou Modoc Lava Beds, 1 mile northeast of Timbered Crater on Old Stage Road from Dana to Little Hot Springs Valley 1219.2 Comment
  RSA22767  Cupressus bakeri O. V. Matthews 1939-7-11 31 Siskiyou Seiad Grove - Seiad Region, west side of mining company trail along ridge above cook house 915 Comment
  NY336647  Cuscuta suksdorfii var. subpedicellata L. C. Wheeler 1934-8-21 3192 Siskiyou Head of East Fork Horse Creek, Siskiyou Mountains, Mt. Diablo Mer. 1981.2 Comment
  UC22935  Cycladenia humilis var. humilis Milo S. Baker 1893-8-5 Siskiyou Medicine Lake 1828 Comment
  SEINET3153057  Cynoglossum occidentale G. D. Butler 1910-6-4 1497 Siskiyou Phackleford creek Comment
  CAS-BOT-BC114148  Cyperus squarrosus Doris K. Kildale 1928-7-25 5885 Siskiyou Klamath River at Mack's Creek near Hamburg. Comment
  UC1924324  Cyperus squarrosus P. M. Peterson, J. M. Saarela & C. J. Sears 2006-8-8 19737 Siskiyou 3 mi SW of Scott Bar on Hwy 7F-01 towards Kelsey Creek, along ScottRver 526 Comment
  HSC66257  Cypripedium californicum Maralyn A. Renner 1980-7-4 1457 Siskiyou Clear Creek Trail, N of Trout Camp. 1037 Comment
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Jun 7 2012
  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
  HSC19325  Cypripedium fasciculatum J. O. Sawyer 1968-6-18 229 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  RSA383004  Cypripedium fasciculatum Robert Kessler 1920-1 s.n. Siskiyou Siskiyou Comment
  CAS-BOT-BC70714  Cystopteris fragilis Roxana S. Ferris; Laura Lorraine 1948-6-12 11765 Siskiyou About 6 miles from Etna on forks of Salmon Road 1676 Comment
  UCD136353  Cystopteris fragilis Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou East of Marble Mountain, Marble Mountains. 1828 Comment
  CAS-BOT-BC70706  Cystopteris fragilis L. B. Kildale 1930-6-1 9851 Siskiyou Summit between Sawyers Bar and Etna Mountain Comment
  CAS-BOT-BC70721  Cystopteris fragilis G. Muth 1966-7-17 404 Siskiyou Marble Valley 1828 Comment
  RSA612748  Cystopteris fragilis L. C. Wheeler 1935-6-13 3578 Siskiyou Shackleford Creek, Marble Mts. S9, T43N, R10W (Mt. Diablo Mer.) 976 Comment
  CAS-BOT-BC192255  Danthonia californica A. A. Heller 1915-7-18 12113 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1249 Comment
  SEINET4566572  Danthonia californica var. americana G. Butler 1910-7-8 1660 Siskiyou Shackleford Creek 1219 Comment
  HSC19074  Danthonia intermedia subsp. intermedia J. O. Sawyer 1969-8-5 1753 Siskiyou W of Little Duck Lake 2073 Comment
  HSC19071  Danthonia unispicata J. O. Sawyer 1969-7-25 1530 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  JEPS128472  Danthonia unispicata Julie Kierstead Nelson with Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -030 Siskiyou Lower Parks Creek watershed, E Klamath Range; Forest Road 42N19. 4 miles northwest of Stewart Springs. Comment
  CAS-BOT-BC76248  Darlingtonia californica H. M. Hall; E. B. Babcock 1903-6-1 3400 Siskiyou Sierra Nevada Mountains. Mount Shasta. 18th Crossing Sacramento River, near Sisson. Comment
  CAS-BOT-BC420658  Darmera peltata J. H. Thomas; H. A. Thomas 1954-7-21 44184 Siskiyou Salmon - Trinity Mountains. About 6 miles SE of Cecilville. West side of Rush Creek. 1158 Comment
  HSC64831  Darmera peltata J. P. Smith 1973-5-5 6387 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 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
  HSC76908  Dasiphora fruticosa K. T. Stillman 1976-9-10 500 Siskiyou Marble Mountain Wilderness Area, across marble on E side of Black Mountain 2104 Comment
  HSC40611  Datisca glomerata J. O. Sawyer 1973-7-16 2543 Siskiyou Trail along Canyon Creek above Jct. with Wooley Creek 488 Comment
  RSA126347  Datisca glomerata I. L. Wiggins 1955-7-21 13426 Siskiyou Near Mt. View Ranch 7 mileNortheast of Cuesta Grade.s above Cecilville on S Fork of Salmon River 976 Comment
  RSA60841  Delphinium decorum subsp. tracyi Frank W. Gould 1940-5-15 s.n. Siskiyou Bald Mtn on road from Mt. Hebron to Montague 1677 Comment
  CAS-BOT-BC116168  Delphinium nuttallianum Roxana S. Ferris; Laura Lorraine 1948-6-12 11893 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle. 1499 Comment
  HSC28667  Delphinium nuttallianum Frederick W. Oettinger 1969-7-10 955 Siskiyou Marble Mtn. Wilderness Area, base of cliff SW of Upper English Lake 1951 Comment
  POM99356  Delphinium nuttallianum Geo. D. Butler 1910-3-29 1142 Siskiyou Near Yuka Comment
  UCR37854  Deschampsia atropurpurea K. T. Stillman 1976-8-8 399 Siskiyou Marble Mountain Wilderness Area Comment
  HSC81765  Deschampsia cespitosa Thomas W. Nelson, Jane P. Nelson 1980-7-20 6171 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  CAS-BOT-BC192467  Deschampsia cespitosa subsp. cespitosa W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountains Comment
  HSC103044  Deschampsia danthonioides J. P. Smith 2014-6-7 13902 Siskiyou Along Forest Service Road 40N08, just north of Big Carmen Lake 1699 Comment
  HSC102654  Deschampsia danthonioides J. P. Smith 2009-6-1 12615 Siskiyou Road to Tenant. Comment
  CAS-BOT-BC201934  Deschampsia elongata A. A. Heller 1915-7-18 12134 Siskiyou Metcalf's ranch, base of Mt. Eddy Comment
  HSC39862  Deschampsia elongata J. P. Smith, Steve Selva 1970-7-15 4368 Siskiyou 2 mi. below the Baldy Mt. Lookout Station. Comment
  HSC65587  Deschampsia elongata Donald W. Miles 1979-7-18 18 Siskiyou "Midway up Lookout Point, on short logging spur off of Medicine Lake Rd., 11 mi. N of Bartle." 1555 Comment
  JEPS84088  Deschampsia elongata L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6389 Siskiyou ca. 1.5 mi. e. of Red Butte summit (ca. 7 mi. n.-n.e. of Seiad Valley, w. of Cook and Green Pass) 1900 Comment
  RSA184789  Deschampsia elongata Gilbert Muth 1966-7-18 415 Siskiyou Marble Gap Trial, Meadow above Marble valley; Marble Mountains 183 Comment
  RSA238399  Deschampsia elongata Frederick W. Oettinger 1969-8-22 1502 Siskiyou South side of Horse's Hole near Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  JEPS53433  Descurainia pinnata Geo. D. Butler 1909-5-14 727 Siskiyou Klamath River Comment
  CHSC33175  Descurainia sophia R. E. Preston 1981-5-2 62 Siskiyou On roadside cut, ca. 50 m n of Camp Creek, at Irongate Reservoir, ca. 32 km ne of Yreka. 700 Comment
  UCD95524  Dicentra formosa Ricky D. Pearce 1978-5-7 22 Siskiyou 3.4 miles W of the end of Coffee Creek Road. 1524 Comment
  RSA262522  Dicentra formosa subsp. formosa J. M. Tucker, D. V. Hemphill 1974-7-27 4309 Siskiyou Beside Haypress Creek, a short distance downstream from Haypress Meadows, Marble Mountain Wilderness Area 1463 Comment
  HSC91286  Dicentra pauciflora Jennifer Whipple 1976-6-12 987 Siskiyou S face of Mt. Eddy draining into the N Fork of the Sacramento River 2378 Comment
  RSA120726  Dicentra pauciflora S. S. Tillett 1956-7-9 644 Siskiyou E of Scott Mountain, ca. 8 mi. SE of Callahan. Trinity-Siskiyou Cos line. 1829 Comment
  CAS-BOT-BC402550  Dicentra pauciflora W. R. Dudley 1893-6-20 s.n. Siskiyou Near Castle Lake, region of Mt Shasta Comment
  HSC62080  Dicentra pauciflora Ruby Van Deventer 18 Jun [year missing] Siskiyou Raspberry Lake, 2 mi. W of Copper Mtn. Comment
  HSC98458  Dicentra uniflora J. P. Smith 1974-5-26 7593 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  CAS-BOT-BC500905  Dichelostemma capitatum Doris K. Kildale 1929-5-11 7767 Siskiyou Klamath River at Hornbrook Comment
  RSA755953  Dichelostemma ida-maia Robert F. Thorne 1969-8-2 63350 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  CAS-BOT-BC500994  Dichelostemma multiflorum A. A. Heller 1919-6-27 13275 Siskiyou Mecalf's ranch, northeast base of Mt. Eddy 1158 Comment
  HSC44875  Dichelostemma multiflorum J. P. Smith, Steve Selva 1970-6-16 4022 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  POM109924  Dichelostemma multiflorum Geo D. Butler 1909-5-15 789 Siskiyou Shasta River hills. Comment
  JEPS94734  Dieteria canescens var. shastensis Vernon H. Oswald and Lowell Ahart 1998-9-8 9611 Siskiyou junction of USFS 3 and 24 2.5 mi w-sw of Hambone Butte (30 air mi n of Burney); junction of USFS 3 and 24 1310 Comment
  JEPS95372  Dieteria canescens var. shastensis Vernon H. Oswald and Lowell Ahart 1994-8-10 6457 Siskiyou ca 11 mi (air) ne of McCloud (FS 41N01Y at Elk Flat, ca 1 mi N of Pilgrim creek Rd (FS 13)) 1243 Comment
  CAS-BOT-BC290996  Dieteria canescens var. shastensis John Thomas Howell 1937-7-29 13678 Siskiyou North slope of Scott Mts. 1676 Comment
  CAS-BOT-BC153731  Diplacus nanus Doris K. Kildale 1928-7-4 5481 Siskiyou Summit of divide between Sawyers Bar & Etna Comment
  CAS-BOT-BC94401  Diplacus nanus R. C. Wenk 2005-7-15 197 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail 1645 Comment
  HSC62042  Dodecatheon alpinum Ruby Van Deventer 28 Jun [year missing] Siskiyou Raspberry Lake, 2 mi. W of Copper Mtn. Comment
  RSA238728  Dodecatheon alpinum subsp. majus Frederick W. Oettinger 1969-9-4 1672 Siskiyou In wet boreal meadow below Tom Taylor Cabin Springs. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  JEPS86075  Dodecatheon hendersonii Wayne Roderick 1966-6-26 Siskiyou Cook and Green Pass area 1524 Comment
  UC1736286  Dodecatheon jeffreyi Dean W. Taylor 1972-7-3 1615 Siskiyou Salmon Mountains, near Little Duck Lake 1981 Comment
  HSC29233  Dodecatheon jeffreyi Frederick W. Oettinger 1969-7-17 1051 Siskiyou Marble Mountain Wilderness Area, along inlet stream on SW side of Upper English Lake 1768 Comment
  HSC90896  Draba carnosula Jennifer Whipple 1976-6-17 1032 Siskiyou W facing slope of ridge between Durney Lake and Little Crater Lake 2409 Comment
  SEINET5342912  Draba howellii G. Butler 1910-7-10 1716 Siskiyou In rock crevices-Marble mountain. 1676 Comment
  CAS-BOT-BC41309  Draba pterosperma C. L. Hitchcock; J. S. Martin 1939-7-9 5317 Siskiyou King's Castle. 1828 Comment
  HSC77078  Draba pterosperma K. T. Stillman 1976-6-16 2 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  SEINET12005663  Draba pterosperma H. P. Chandler 1901-1 1654 Siskiyou Marble Mountain 2438 Comment
  UC166609  Draba verna Geo. D. Butler 1909-4-6 549 Siskiyou near Yreka; near Yreka Comment
  CAS-BOT-BC41412  Draba verna George Dexter Butler 1909-4-6 549 Siskiyou Below Yreka. Comment
  UCD115562  Draba verna Iris Coonrod 1963-4-1 s.n. Siskiyou Coonrod Ranch, Montague. 914 Comment
  JEPS18871  Draperia systyla Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5965 Siskiyou Canyon at the headwaters of the South Fork of Sacramento River, about 3.5 miles below southwest of the town of Mt. Shasta [formerly Sisson] 1371 Comment
  HSC86540  Drymocallis glandulosa D. K. Imper Jun 1987 Siskiyou 8 mi. E of the town of Mt. Shasta 1982 Comment
  POM120352  Dryopteris arguta Geo D. Butler 1910-7-8 1675 Siskiyou Shackleford Creek. 1220 Comment
  UCD98724  Dysphania botrys A. A. Heller 1916-8-24 12564 Siskiyou near Sisson. 1077 Comment
  UCD98822  Dysphania pumilio A. A. Heller 1915-8-24 11210 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  UC637037  Echinochloa crus-galli Edward Lee 1934-8-10 1018 Siskiyou Klamath River, south bank between McKinney and Parkerhouse Creeks; Klamath River, South bank 609 Comment
  RSA44457  Echinochloa muricata var. microstachya Henry M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, near Somes Bar. Comment
  JEPS98791  Eleocharis Sue Pappalardo 1993-7-19 500 Siskiyou about 4 mi SE of Bear Mountain Lookout (between Forest Service roads 40N38 and 40N36); Shasta Trinity National Forest, McCloud Ranger District 1300 Comment
  CAS-BOT-BC112693  Eleocharis parishii Louis C. Wheeler 1934-7-17 2913 Siskiyou Cottonwood Creek. 1036 Comment
  JEPS117635  Eleocharis rostellata Lowell Ahart, John Dittes 2010-7-30 16946 Siskiyou About 5 yards south of the Shasta River, about 40 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Spring Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  CAS-BOT-BC451554  Elodea canadensis Edward Lee 1934-8-12 1239 Siskiyou South side of the Klamath River near the mouth of Walker Creek (east end of Seiad Valley) 426 Comment
  CAS-BOT-BC451555  Elodea canadensis Wm. Bridge Cooke 1940-6-20 15164 Siskiyou In the Klamath River along the Pacific Highway below Hornbrook. Comment
  CAS-BOT-BC213783  Elymus X hansenii Wm. Bridge Cooke 1938-7-15 11227 Siskiyou Above Bear Springs. 1676 Comment
  SEINET10929845  Elymus elymoides George D. Butler 1910-5-4 Butler 1278 Siskiyou Dry hill near Yreka. Comment
  SEINET4135472  Elymus elymoides subsp. brevifolius Jennifer J. Whipple 1976-7-8 1339 Siskiyou North slopes of Mount Eddy.; 0 2438 Comment
  HSC108  Elymus elymoides var. californicus William J. Ferlatte 1966-8-2 243 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  HSC76714  Elymus glaucus K. T. Stillman 1976-7-30 346 Siskiyou Marble Mountain Wilderness Area. Upper Marble Valley. 1829 Comment
  HSC77089  Elymus glaucus K. T. Stillman 1976-7-30 333 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  POM2058603  Elymus glaucus Copeland 1903-9-6 3802 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC206609  Elymus glaucus subsp. glaucus Doris K. Kildale 1929-8-24 9105 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  CAS-BOT-BC206614  Elymus glaucus subsp. glaucus Alice Eastwood 1912-7-15 1100 Siskiyou McCloud Comment
  CAS-BOT-BC206615  Elymus glaucus subsp. glaucus Alice Eastwood 1912-7-17 1094 Siskiyou McCloud Comment
  CHSC61571  Elymus glaucus subsp. glaucus L. P. Janeway 1983-9-11 682 Siskiyou Siskiyou Mountains; at Poker Flat. Southwest side of lower portion of the meadow. 1524 Comment
  HSC22166  Elymus glaucus subsp. glaucus J. O. Sawyer 1969-8-1 1646 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  CHSC6711  Elymus multisetus B. Anthony 1968-6-2 560 Siskiyou 4 miles N. of Fort Jones. Comment
  CHSC86462  Elymus multisetus Jenny Marr 1993-7-1 79 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  JEPS70717  Elymus multisetus Geo. D. Butler 1909-5-25 823 Siskiyou near Yreka Comment
  HSC69346  Elymus trachycaulus subsp. trachycaulus Maralyn A. Renner 1980-8-21 2543 Siskiyou Kidd Creek 2043 Comment
  RSA34679  Epilobium anagallidifolium W. Bridge Cooke, V. G. Cooke 1946-8-29 17615 Siskiyou Basin above Panther Creek Meadows Mount Shasta 2744 Comment
  RSA144782  Epilobium angustifolium subsp. circumvagum J. W. MacSwain 1959-8-10 59 -149 Siskiyou West of McCloud Comment
  UC618663  Epilobium brachycarpum W. Bridge Cooke 1938-7-22 11321 Siskiyou along the road near end of Sisson Southern Trail; Mount Shasta Comment
  HSC69374  Epilobium brachycarpum J. O. Sawyer, J. Cole 1980-7-19 3678 Siskiyou Near FS Rd. 45N0 2018 Comment
  JEPS43612  Epilobium brachycarpum Geo. D. Butler 1908-8-6 135 Siskiyou trail near Summit (se of Marble Mountain) 1828 Comment
  POM89974  Epilobium brachycarpum L. R. Abrams 1922-8-7 9914 Siskiyou Weed. Comment
  CHSC106268  Epilobium ciliatum subsp. ciliatum Lowell Ahart; John Dittes 2010-7-30 16952 Siskiyou Along the south edge of the Shasta River, about 100 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  CDA38080  Epilobium ciliatum subsp. ciliatum Jennifer Whipple 1977-8-6 2242 Siskiyou Klamath Mountains; Dale Creek drainage on the north face of Mount Eddy. Comment
  SD88496  Epilobium ciliatum subsp. ciliatum Darley F. Howe 1972-7-5 Siskiyou 0.6 mile south iof Oregon state line on road to Happy Camp. 1707 Comment
  JEPS38212  Epilobium densiflorum Geo. D. Butler 1908-7-17 160 Siskiyou near Yreka (along creek); Butler's Ranch Comment
  POM251081  Epilobium glaberrimum subsp. glaberrimum W. Bridge Cooke 1938-7-15 11193 Siskiyou Bear Springs, Mt. Shasta 1524 Comment
  CHSC1129  Epilobium hallianum E. G. England 1939-6-30 Siskiyou Mt. Eddy. 2438 Comment
  UC1408917  Epilobium hallianum Frederick W. Oettinger 1969-8-19 1466 Siskiyou between King David Mt. and Abbots (margin of meadow); Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  HSC36562  Epilobium hornemannii subsp. hornemannii J. P. Smith 1969-7-16 1154 Siskiyou SW facing slope W of Waterdog Lake 2119 Comment
  POM38546  Epilobium minutum Geo. D. Butler 1909-6-13 927 Siskiyou Moffitt Creek. Comment
  RSA237396  Epilobium minutum Frederick W. Oettinger 1969-8-12 1340 Siskiyou Below metal bridge, 1 mile down from Etna Summit on trail between Yellow Dog Creek and Abbotts Lake Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA458725  Epilobium obcordatum M. B. Dunkle 1945-1 9299 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  HSC22470  Equisetum hyemale subsp. affine J. O. Sawyer 1969-6-11 826 Siskiyou Lower slope next to the C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  UC637176  Equisetum hyemale subsp. affine Edward Lee 1934-8-11 1035 Siskiyou e end Siead Valley (Walker Creek - a tributary of Klamath River) 609 Comment
  CAS-BOT-BC204508  Eragrostis cilianensis Dorothy Parker 1948-8-24 227 Siskiyou Plowman's Valley, e. fork of Scott River 1188 Comment
  UCR142758  Eragrostis cilianensis L. C. Wheeler 1934-10-24 3346 Siskiyou Siskiyou Mtns, Oak Knoll Ranger Station, Klamath River 671 Comment
  UC375492  Eremocarpus setiger Geo. D. Butler 1908-7-16 1031 Siskiyou Klamath River Comment
  CAS-BOT-BC174232  Eremogone congesta var. congesta Louis C. Wheeler 1934-8-2 3023 Siskiyou Klamath National Forest. Jaynes Canyon 2072 Comment
  HSC29467  Eremogone congesta var. congesta Frederick W. Oettinger 1969-8-4 395 Siskiyou Marble Mtn. Wilderness Area, trail break on Crapo Peak ridge 2195 Comment
  CHSC99996  Eremogone congesta var. suffrutescens L. P. Janeway 2008-7-25 9499 Siskiyou Klamath Ranges. Siskiyou Mountains; rock wall at head of Hello Canyon, 0.6 air km east of Kangaroo Mountain. 1834 Comment
  UC1408922  Ericameria greenei Frederick W. Oettinger 1967-8-24 322 Siskiyou near lookout along trail on w slope of English Peak Salmon Mountains, Marble Mountain Wilderness Area, English P (w Siskiyou County) 2225 Comment
  HSC27012  Ericameria nauseosa J. P. Smith, J. O. Sawyer 1972-9-12 5764 Siskiyou Scott Mountain; 1/2 mile east of Scott Mountain Rd. (S.R. 3) 1646 Comment
  CAS-BOT-BC294299  Ericameria nauseosa var. speciosa K. T. Stillman 1976-9-9 482 Siskiyou Jump off point; trail to Box Camp 1950 Comment
  CAS-BOT-BC482440  Ericameria nauseosa var. speciosa Dana York 2010-9-11 3016 Siskiyou Six Rivers Naitonal Forest, boundary of Siskiyou Wilderness, NW slope of Broken Rib Mountain 1435 Comment
  HSC93810  Ericameria nauseosa var. speciosa Jennifer Whipple 1977-8-4 2156 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2439 Comment
  UC1409461  Erigeron aliceae F. W. Oettinger and R. F. Thorne 1969-8-4 1185 Siskiyou meadow n of Tobacco Lake; Salmon Mts., English Peak area, Red Fir Forest 1889 Comment
  RSA14491  Erigeron aliceae Elmer I. Applegate 1923-9-7 3950 Siskiyou Doggett Ridge, Siskiyou Mts., Klamath River Watershed. Comment
  UCD131703  Erigeron bloomeri var. bloomeri J. M. Tucker; L. K. Mann 1963-8-18 3765 Siskiyou saddle between Marble Mountain and southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2103 Comment
  CAS-BOT-BC294896  Erigeron cervinus John Thomas Howell 1937-7-25 13447 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC19165  Erigeron cervinus J. O. Sawyer 1969-7-10 1284 Siskiyou East facing slope above Sugar Lake 2226 Comment
  JEPS104816  Erigeron cervinus Dean W. Taylor 1996-7-12 15789 Siskiyou Salmon Mountains; Patterson Creek drainage (about 5 air miles west of Etna); Klamath National Forest 1371 Comment
  UC163907  Erigeron cervinus Geo. D. Butler 1910-6-5 1515 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC297107  Erigeron compositus Wm. Bridge Cooke 1940-7-26 15384 Siskiyou Vicinity of Merriam's timberline on the west side of Shastina, Mount Shasta 2895 Comment
  CAS-BOT-BC297110  Erigeron compositus A. A. Heller 1920-7-9 13423 Siskiyou Mt. Eddy 2438 Comment
  LA202507  Erigeron compositus Wm. Bridge Cooke; 1939-8-10 13670 Siskiyou Mount Shasta, along the W Bank of Mud Creek Canyon 2895 Comment
  NY168441  Erigeron copelandii E. B. Copeland 09 1903 s.n. Siskiyou Mt. Eddy 1249.7 Comment
  JEPS94887  Erigeron filifolius Vernon H. Oswald and Lowell Ahart 1998-7-21 9313 Siskiyou ne of Weed (Shasta National Forest plantation on w side of Hwy 97 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest 975 Comment
  HSC5518  Erigeron filifolius R. C. Wunner 1965-6-20 230 Siskiyou Lava Beds National Monument near Thunderbolt Cave entrance 1463 Comment
  POM357580  Erigeron filifolius J. William Thompson 1936-7-8 13157 Siskiyou Lava slopes of Lava Beds Nat'l Monument. Comment
  HSC68443  Erigeron foliosus var. confinis Maralyn A. Renner 1980-7-4 1386 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow 1585 Comment
  UCR45438  Erigeron foliosus var. confinis D. H. Norris 1970-5-23 12238 Siskiyou Along Klamath River at Ishi Pishi [Rd.] Bridge near Somes Bar 145 Comment
  HSC69180  Erigeron glacialis var. glacialis Maralyn A. Renner 1980-8-6 2339 Siskiyou Cracker Meadow 1555 Comment
  CAS-BOT-BC295388  Erigeron inornatus Alice Eastwood 1912-9-4 2098 Siskiyou Sisson Comment
  LA203588  Erigeron inornatus S. F. Blake; 1938-7-22 11326 Siskiyou Mount Shasta, along the Sisson Southern Trail 1371 Comment
  JEPS41495  Erigeron klamathensis W. L. Jepson Jul 17 1902-Jul 22 1902 2101 Siskiyou The Devils Backbone Western Siskiyou 1828 Comment
  CAS-BOT-BC33500  Erigeron petrophilus var. viscidulus Edwin Bingham Copeland 1903-8-17 s.n. Siskiyou Mt. Eddy 1402 Comment
  JEPS41370  Erigeron philadelphicus var. philadelphicus Geo. D. Butler 1908-6-25 508 Siskiyou near Yreka (Butler's Ranch) Comment
  CAS-BOT-BC248781  Eriogonum baileyi var. baileyi Wm. Bridge Cooke 1949-8-26 25650 Siskiyou Above Bolam Station, Mount Shasta Comment
  CAS-BOT-BC248841  Eriogonum compositum var. compositum Edward Lee 1934-8-15 1134 Siskiyou Summit of Happy Camp to Waldo (Oregon) road, Indian Creek watershed, Klamath National Forest 1615 Comment
  CAS-BOT-BC242531  Eriogonum congdonii James L. Reveal; Darin S. Reveal 1978-8-8 4802 Siskiyou Along the road to Big Carmen Lake, about 1 mile north of Scott Mountain Summit on California Highway 3, on ridge 0.2 mile southeast of the road toward Scott Mountain 1706 Comment
  CHSC67578  Eriogonum congdonii James D. Jokerst 1992-7-30 3430 Siskiyou Top of divide between Trinity River, summit of reddish mountains S of road crossing saddle. [no additional location data; W of Interstate 5? V. Oswald] Comment
  UC375314  Eriogonum elatum Geo. D. Butler 1908-7-5 516 Siskiyou dry land near Yreka Comment
  JEPS93929  Eriogonum elatum var. elatum Vernon H. Oswald and Lowell Ahart 1998-8-3 9409 A Siskiyou 11.5 mi w of Gazelle ((USFS 41N03) 1.0 mi e of its junction with Gazelle-Callahan Road); USFS 41N03 1524 Comment
  CAS-BOT-BC263661  Eriogonum luteolum var. luteolum Elmer I. Applegate 1923-9-6 3941 Siskiyou Along the Klamath River about 20 miles below the Pacific Highway Comment
  POM165524  Eriogonum marifolium Alice Eastwood 1921-7-25 10801 Siskiyou Pilgrim Creek nursery Comment
  UC725787  Eriogonum marifolium A. A. Heller 1939-7-31 15429 Siskiyou junction of the Horse Camp and Panther Meadow roads Mt. Shasta Comment
  CAS-BOT-BC267391  Eriogonum marifolium var. marifolium Wm. H. Brewer 1862-9-13 s.n. Siskiyou Mount Shasta 2743 Comment
  CHSC4548  Eriogonum marifolium var. marifolium J. E. Bowlin 1967-7-18 52 Siskiyou Ca. 15 yds. above the parking lot and restaurant at Mount Shasta Ski Bowl. Ca. 15.5 mi from the city of Shasta (center of the city). Comment
  CAS-BOT-BC94474  Eriogonum nudum R. C. Wenk 2005-7-19 342 Siskiyou Along Pacific Crest Trail, between Deadfall Lakes and pass below Mt. Eddy 2407 Comment
  HSC27107  Eriogonum nudum var. nudum Carl W. Mize 1972-6-21 60 Siskiyou 0.25 mi. above rd. on WSW slope 274 Comment
  CAS-BOT-BC261679  Eriogonum nudum var. nudum Louis C. Wheeler No date on label 2738 Siskiyou Klamath National Forest. North Hungry Cr. 1097 Comment
  CAS-BOT-BC269744  Eriogonum nudum var. oblongifolium A. A. Heller 1916-9-1 12641 Siskiyou Near Yreka Comment
  CAS-BOT-BC272480  Eriogonum nudum var. pubiflorum Paul C. Hutchison 1962-8-3 945 Siskiyou Just east of Paint Pot Crater between Grasshopper Flat and Little Medicine Lake 1783 Comment
  HSC42998  Eriogonum nudum var. pubiflorum J. P. Smith, Steve Selva 1970-6-15 3977 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  SEINET3160017  Eriogonum nudum var. pubiflorum G. D. Butler 1910-6-26 1605 Siskiyou near Yreka Comment
  CAS-BOT-BC272486  Eriogonum nudum var. pubiflorum L. R. Abrams 1926-7-4 11235 Siskiyou 1 mile west of Shasta City on road to Abrams Lake Comment
  JEPS56534  Eriogonum pyrolifolium Willis L. Jepson 1897-8-4 14777 Siskiyou spring near Horse Camp (near snow line); Mt. Shasta Comment
  UC85678  Eriogonum pyrolifolium J. W. Congdon 1900-8-13 Siskiyou Mt. Shasta Comment
  SEINET3405023 Image available Eriogonum siskiyouense Dorothy Parker 1968-8-10 Siskiyou Kangaroo Divide, above Kangaroo Lake Comment
  UC1032246  Eriogonum spergulinum var. reddingianum L. Whitney 1934-6-14 2 Siskiyou near Tennant; Dorris Quadrangle 1463 Comment
  POM105606  Eriogonum sphaerocephalum Geo. D. Butler 1910-6-21 1597 Siskiyou Dry hill. Yreka. Comment
  CAS-BOT-BC271963  Eriogonum sphaerocephalum var. halimioides M. K. Curran 1887-7-1 s.n. Siskiyou Gazelle Comment
  CAS-BOT-BC263393  Eriogonum strictum var. proliferum Geo. D. Butler 1910-5-27 1417 Siskiyou Near Yreka Comment
  JEPS56463  Eriogonum strictum var. proliferum Geo. D. Butler 1909-6-19 970 Siskiyou Stones Hill Yreka Comment
  CAS-BOT-BC267935  Eriogonum umbellatum Noel H. Holmgren; James L. Reveal 1966-6-9 2697 Siskiyou US 97, Shasta Valley, 4 miles north of Weed 1158 Comment
  HSC60823  Eriogonum umbellatum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  CAS-BOT-BC267978  Eriogonum umbellatum var. argus John Thomas Howell 1937-7-29 13629 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  HSC26988  Eriogonum umbellatum var. argus J. P. Smith, J. O. Sawyer 1971-9-16 4766 Siskiyou Ridge S of Bingham Lake. 2134 Comment
  RSA181627  Eriogonum umbellatum var. argus Dorothy Parker 1950-8-6 460 Siskiyou Dry granite rocks, Salmon Mt. 1799 Comment
  UC1409205  Eriogonum umbellatum var. argus Frederick W. Oettinger 1969-8-13 1353 Siskiyou on s-running ridge of English Peak Salmon Mountains, Marble Mountain Wilderness Area 2209 Comment
  UC163832  Eriogonum umbellatum var. argus Geo. D. Butler 1909-8-3 209 Siskiyou Log Lake, Shackleford Creek Comment
  UC922357  Eriogonum umbellatum var. argus Annie M. Alexander and Louise Kellogg 1949-7-29 5900 Siskiyou above Sky High L. (trail to Hidden L.); Marble Mountains, Sky High Valley 1767 Comment
  RSA420577  Eriogonum umbellatum var. argus Louis C. Wheeler 1934-9-1 3234 Siskiyou Siskiyou Mountains, Jaynes Canyon. 1951 Comment
  HSC43435  Eriogonum umbellatum var. humistratum Jennifer Whipple 1976-7-7 1328 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2378 Comment
  CHSC57443  Eriogonum umbellatum var. modocense L. P. Janeway 1984-6-22 878 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08. 1645 Comment
  CHSC69084  Eriogonum umbellatum var. nevadense Vernon Oswald; Lowell Ahart 1997-7-28 8792 Siskiyou Southeast of Medicine Lake at Paynes Springs. Common subshrub on the rim of Paynes Creek Canyon north of the campground. 1981 Comment
  UC585248  Eriogonum umbellatum var. nevadense E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1925 Siskiyou s of highway sw Yreka; Forest House Mt. 1363 Comment
  JEPS24804  Eriogonum vimineum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6813 Siskiyou about 3 mi nw Weed (head of Shasta Valley); Shasta Valley 975 Comment
  SEINET8850152 Image available Eriophorum gracile H. E. Brown 1897-7-15 628 Siskiyou South side of Mt. Shasta 1524 Comment
  CDA18412  Eriophyllum lanatum G. D. Barbe, T. C. Fuller & J. T. Howell 1980-4-29 2650 Siskiyou Klamath Ranges; Schoolhouse Hill, summit of Gazelle-Callahan Road, 7 miles (11.3 km) east of Callahan. 1173 Comment
  HSC45903  Eriophyllum lanatum Laura Witherspoon 1978-8-18 98 Siskiyou Klamath National Forest; Ball Mtn. Lookout Comment
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Oct 17 2014
  OBI80237  Eriophyllum lanatum David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  CAS-BOT-BC301121  Eriophyllum lanatum var. achilleoides John Thomas Howell 1937-7-29 13650 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  CAS-BOT-BC301142  Eriophyllum lanatum var. achilleoides Alice Eastwood 1923-5-23 11934 Siskiyou Cantara Comment
  UC507115  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-6-21 E 83 Siskiyou 1 mi s Oregon-California Line; Siskiyou Mountains Comment
  SFV5208  Eriophyllum lanatum var. grandiflorum B. C. Templeton 1957-6-24 s. n. Siskiyou Scott Mountains. Near the top of Gazelle Mountain. 1463 Comment
  UC563835  Eriophyllum lanatum var. integrifolium Elmer I. Applegate 1935-6-10 9490 Siskiyou s cinder slope of Caldwell Butte; Lava Beds National Monument Comment
  JEPS34742  Eriophyllum lanatum var. lanceolatum Geo. D. Butler 1908-7-20 298 Siskiyou head of Long Gulch (near Yreka) Comment
  CAS-BOT-BC54572  Erysimum capitatum John Thomas Howell 1939-8-2 14883 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC54591  Erysimum capitatum George Dexter Butler 1909-5-8 724 Siskiyou Near Yreka. Comment
  JEPS44103  Erysimum capitatum var. capitatum W. B. and V. G. Cooke 1965-7-9 35123 Siskiyou along Everett Memorial Hwy Mt. Shasta 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
  HSC199  Erysimum perenne William J. Ferlatte 1966-6-23 119 Siskiyou Dorleska Summit 2134 Comment
  HSC36565  Erysimum perenne J. O. Sawyer 1969-8-4 1829 Siskiyou Above Sugar Lake 2134 Comment
  SEINET13723920 Image available Erythranthe moniliformis John M. Tucker, Louis K. Mann 1963-1 3690 Siskiyou Ca. 4.7 miles (by road) southwest of Etna, beside road from Etna to Sawyer's Bar Comment
  RSA28186  Erythronium citrinum var. citrinum Elmer I. Applegate 1932-4-16 7061 Siskiyou Klamath River opposite the mouth of Doggett Creek Comment
  CAS-BOT-BC502725  Erythronium grandiflorum Harley P. Chandler 1901-6-1 1619 Siskiyou Ridges and Meadows near Marble Mountain 2133 Comment
  CAS-BOT-BC505226  Erythronium grandiflorum A. M. Vollmer; L. Beane 1951-6-2 85 Siskiyou Happy Camp, Klamath River Highway Comment
  HSC78191  Erythronium grandiflorum subsp. grandiflorum L. P. Janeway 1983-7-3 378 Siskiyou Poker Flat 1524 Comment
  CAS-BOT-BC402627  Eschscholzia caespitosa A. A. Heller 1918-7-16 13081 Siskiyou Fields south of Yreka Comment
  JEPS51783  Eschscholzia californica Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Horseshoe Bend Region of the Upper Sacramento Comment
  JEPS1734 Image available Eucephalus breweri unknown 1910-8-1 Siskiyou near Sissons Comment
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Sep 2 2014
  HSC27009  Eucephalus glabratus J. P. Smith, J. O. Sawyer 1972-9-12 5774 Siskiyou Scott Mtn., slopes E of Big Carmen Lake 1982 Comment
  CAS-BOT-BC310460  Eucephalus ledophyllus var. ledophyllus J. P. Smith; J. O. Sawyer 1973-8-14 7318 Siskiyou Hillside west of Cliff Lake 1981 Comment
  HSC22122  Eucephalus ledophyllus var. ledophyllus J. O. Sawyer 1969-8-18 1981 Siskiyou Above South Sugar Creek 2134 Comment
  HSC22125  Eucephalus ledophyllus var. ledophyllus J. O. Sawyer 1969-8-5 1934 Siskiyou N of S Sugar Lake 1890 Comment
  HSC695  Eucephalus ledophyllus var. ledophyllus William J. Ferlatte 1967-8-23 1108 Siskiyou Head of Kidd Creek 2134 Comment
  CAS-BOT-BC310479  Eucephalus tomentellus A. A. Heller 1915-8-26 12242 Siskiyou Slope north side of Mt. Eddy 1767 Comment
  RSA275330  Euonymus occidentalis J. O. Sawyer, K. T. Stillman 1976-7-1 2772 Siskiyou Along the Little North Fork of the Salmon River 732 Comment
  RSA237264  Euonymus occidentalis Frederick W. Oettinger 1967-6-28 131 Siskiyou Kelly Gulch (tributary to Salmon River). The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 616 Comment
  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
  UCD77519  Euphorbia glyptosperma Robert E. Preston 2003-7-30 2172 Siskiyou Ca. 17.3 mi NE of McCloud, at Trout Creek Campground. 1486 Comment
  HSC41525  Euphorbia marginata Linda M. Barker 1976-9-6 1698 Siskiyou Scott Valley, in flood plain near the dredge. 945 Comment
  UC618851  Eurybia radulina W. Bridge Cooke 1938-8-19 11511 Siskiyou Howard Mount Shasta 1219 Comment
  JEPS81789  Eurybia radulina Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6828 Siskiyou meadow just below and n Scott Mountain road summit; just below and n of Scott Mountain road summit 1615 Comment
  RSA507775  Euthamia occidentalis J. C. Semple, S. Heard 1986-8-16 8468 Siskiyou CA-96, 1.6 km W of Horse Creek, before CA-3; by Klamath River Comment
  UCD98901  Fallopia japonica T. C. Fuller 1968-8-1 17452 Siskiyou N.E. corner of Siskiyou Ave. and Interstate 5 freeway. Along Siskiyou Ave., n. limits of Dunsmuir. Comment
  UCD98904  Fallopia japonica T. C. Fuller 1969-9-10 18887 Siskiyou 9055 Soquel Dr., also seen on freeway back of 9018 Soquel Dr., Rio Del Mar dist. E. of Aptos. Comment
  HSC103039  Festuca arundinacea J. P. Smith 2014-6-7 13897 Siskiyou Along State Route 3 at its junction with the East Fork of the Scott River 994 Comment
  HSC65365  Festuca californica J. P. Smith 1973-5-5 6514 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC283180  Festuca californica subsp. californica A. A. Heller 1905-6-1 7944 Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  UCD65897  Festuca californica subsp. californica G. L. Stebbins Jr.; A. A. Beetle 1942-6-1 3266 Siskiyou 15 miles north of Happy Camp, above Indian Creek. 1219 Comment
  HSC74870  Festuca idahoensis J. P. Smith, Jennifer Whipple 1978-7-2 9970 Siskiyou Klamath National Forest, ridge trail E of Cook and Green Pass 1341 Comment
  CAS-BOT-BC278878  Festuca occidentalis Louis C. Wheeler 1934-6-1 2658 Siskiyou Klamath National Forest. N. Hungry Cr. 1219 Comment
  UC1265439  Festuca pratensis F. W. Oettinger 1969-8-16 1402 Siskiyou near, w Siskiyou County English Lake; Salmon Mountains, Wiregrass Meadow 1676 Comment
  HSC30646  Festuca rubra Frederick W. Oettinger 1969-9-2 1584 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow near Tom Taylor Cabin 2027 Comment
  UCD66440  Festuca subulata A. A. Heller 1916-7-20 12466 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in openings in the forest. 1188 Comment
  HSC92060  Floerkea proserpinacoides Jennifer Whipple 1976-7-2 1282 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC12221  Fragaria Harley P. Chandler Jun 1901 1569 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  CAS-BOT-BC453506  Fragaria Wm. Bridge Cooke 1939-6-23 13542 Siskiyou Lower end of the upper Wagon Camp meadow; Mount Shasta Comment
  CDA25860  Fragaria George Dobbins 1955-3-24 Siskiyou Wheeler property, 1 miles south of McCloud, Squaw Valley Creek. 0 Comment
  HSC33968  Fragaria vesca J. P. Smith 1974-5-25 7465 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  CAS-BOT-BC457568  Fragaria vesca subsp. californica Roxana S. Ferris; Laura Lorraine 1948-6-12 11741 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  UCD77728  Fragaria virginiana Robert E. Preston 2002-6-21 1865 Siskiyou Klamath National Forest, Rainbow Mountain, S slope, N of Trout Creek 1644 Comment
  UCD112752  Frangula californica subsp. occidentalis K. M. Meyer; A. Townesmith 2007-7-31 176 Siskiyou Shasta-Trinity National Forest. 6.2 on NF Road 17, off U.S. Hwy 97. 1350 Comment
  CAS-BOT-BC59978  Frangula purshiana Louis C. Wheeler 1934-7-17 2915 Siskiyou Forest: Klamath. Cottonwood Cr. 944 Comment
  CAS-BOT-BC59984  Frangula purshiana John Thomas Howell 1939-8-9 15238 Siskiyou Shackleford Creek Trail. Marble Mts. Comment
  CAS-BOT-BC60012  Frangula purshiana Elmer I. Applegate 1895-5-31 64 b Siskiyou Sisson, Mt. Shasta. Comment
  SEINET11249900  Frangula rubra H. M. Hall, E. B. Babcock 4172 Siskiyou Head of McCloud River 1524 Comment
  RSA761385  Frasera Barbara Ertter 1990-7-14 9304 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. 1677 Comment
  POM130859  Fraxinus latifolia E. B. Copeland 1903-7-4 3559 Siskiyou Klamathon Comment
  JEPS25566  Fritillaria atropurpurea Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7191 Siskiyou just e of Mount Shasta Ski Bowl Lodge (at upper end of Everitt Highway, Mount Shasta); Mount Shasta, Everitt Highway 2346 Comment
  CAS-BOT-BC505272  Fritillaria atropurpurea John Thomas Howell 1939-8-2 14896 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC1181806  Fritillaria pudica Dorothy Parker 1950-3-14 Siskiyou Siskiyou Mountains, e side of Scott Valley Scott Valley; Siskiyou Mountains, Scott Valley 853 Comment
  CAS-BOT-BC504467  Fritillaria recurva Geo. D. Butler 1910-4-23 1225 Siskiyou Quartz Valley Comment
  POM170289  Fritillaria recurva Geo 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
  HSC30288  Galium aparine William J. Ferlatte 1969-6-25 1185 Siskiyou Big Flat 1524 Comment
  HSC19792  Galium aparine R. C. Wunner 1965-6-15 189 Siskiyou California Lava Beds National Monument; SE side of Caldwell near cinder pit 1433 Comment
  CHSC30250  Galium bifolium M. S. Taylor 1980-7-8 3107 Siskiyou On trail, E side of Caslt Lake to Little Castle Lake. 1767 Comment
  SEINET10500692  Galium bifolium Mary Susan Taylor 1980-7-8 Taylor 3107 Siskiyou T39N R5W nw sec 19, Dunsmuir quad; Shasta-Trinity Natl Forest; on trail, E side of Castle Lake to Little Castle Lake. 1768 Comment
  HSC28215  Galium bolanderi Carl W. Mize 1972-6-8 25 Siskiyou 351 Comment
  POM60712  Galium bolanderi E. B. Copeland 1903-8-14 3779 Siskiyou Sisson. Comment
  POM68839  Galium bolanderi Geo. D. Butler 1909-7-15 996 Siskiyou Russian Creek. 1829 Comment
  RSA240094  Galium bolanderi Frederick W. Oettinger 1969-8-22 1486 Siskiyou Along trail entering Horse Range Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  JEPS109716  Galium boreale subsp. septentrionale Dean W. Taylor 2002-7-20 18255 Siskiyou Forest Road 17 ca. 3.3 miles west (above) junction with Stewart Springs Road, Parks Creek 1524 Comment
  JEPS87641  Galium boreale subsp. septentrionale Vernon H. Oswald and Lowell Ahart 1994-8-10 6459 Siskiyou FS 40N39 ca. 0.5 mi w Harris Spring Rd. (FS15) (ca 4 air mi nne of Bartle); Bartle Creek, Stillwater Meadows 1359 Comment
  JEPS83626  Galium serpenticum subsp. scotticum Marla Knight 1987-7-14 934 Siskiyou FS. Rd. 40N03 about 0.6 mi ne Hwy. 3 (above road at Hayes Gulch); Klamath National Forest, Scott River District, China Mt. SW 1350 Comment
  POM60036  Galium trifidum Copeland 1903-8-13 3888 Siskiyou Sisson. [old name for Mount Shasta] Comment
  UC1258466  Galium triflorum John Palmer 1980-8-15 966 Siskiyou ne Seiad Low Gap (on spur of F.S. Rd 46N50); Klamath National Forest, Seiad Valley Quad. 1097 Comment
  UC642561  Galium triflorum W. Bridge Cooke 1939-6-30 13567 Siskiyou along a spring creek Mt. Shasta, MacBride Springs Comment
  HSC27680  Galium triflorum Carl W. Mize 1972-6-10 48 Siskiyou Draw below Steinacher Creek Rd. 366 Comment
  RSA238879  Galium triflorum Frederick W. Oettinger 1967-8-20 287 Siskiyou Just below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  UCD121956  Galium triflorum J. P. Smith; Steve Selva 1970-7-16 4397 Siskiyou Blue Mountain. Comment
  HSC100301  Garrya elliptica J. P. Smith, & J. O. Sawyer 2011-6-25 13265 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  CHSC75719  Garrya fremontii Vernon H. Oswald; Lowell Ahart 1999-7-5 9802 Siskiyou Gazelle-Callahan Hwy. 11.1 mi west of Gazelle, 0.4 mi east of summit of Gazelle Mtn. 1158 Comment
  UC1409479  Garrya fremontii Frederick W. Oettinger and R. F. Thorne 1969-8-5 1199 Siskiyou near Willow Springs (between Abbotts Upper Cabin and English Lake, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  HSC30236  Garrya fremontii William J. Ferlatte 1969-6-26 1191 Siskiyou Big Flat near campground 1524 Comment
  RSA485909  Garrya fremontii G. Dahling 1973-06 1270 Siskiyou About 21.5 miles southwest of Cave Junction. Comment
  HSC26905  Gaultheria humifusa J. P. Smith 1971-9-17 4782 Siskiyou Little Duck Lake 1921 Comment
  RSA262517  Gaultheria ovatifolia J. M. Tucker, D. V. Hemphill, A. O. Tucker 1974-7-27 4301 Siskiyou South side of Monument Lake, Marble Mountain Wilderness Area. 1799 Comment
  UCD117442  Gaultheria ovatifolia J. M. Tucker; D. V. Hemphill 1974-7-27 4301 Siskiyou South side of Monument Lake, Marble Mountain Wilderness Area. 1798 Comment
  JEPS27560  Gayophytum diffusum subsp. parviflorum Ruby Van Deventer 1938-7-31 263 Siskiyou about 12 air mi nw Happy Camp; Poker Flat 1219 Comment
  HSC29483  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1967-8-21 297 Siskiyou Salmon Mtns., in front of NW face of Tom Taylor Cabin 2055 Comment
  POM355372  Gayophytum diffusum subsp. parviflorum Chadwick, Mrs. Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  SEINET4150938  Gayophytum heterozygum G. D. Butler 1910-7-3 1630 Siskiyou Goosenest foothills 1219 Comment
  SEINET8586142  Gentiana plurisetosa G. D. Butler 1910-7-9 1709 Siskiyou Shackleford Creek. 1220 Comment
  UC204455  Geranium bicknellii A. A. Heller 1914-8-25 11715 Siskiyou near Deetz station 1158 Comment
  POM91452  Geum macrophyllum Geo. D. Butler 1910-6-19 1592 Siskiyou Goosenest Foothills. 1524 Comment
  RSA240078  Geum macrophyllum Frederick W. Oettinger 1969-8-9 1316 Siskiyou Along main N Fork trail between Five mile Stockgate and Abbott's upper cabin, Salmon Mts. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1357 Comment
  UC637163  Gilia capitata subsp. capitata Edward Lee 1934-8-14 1098 Siskiyou near summit Little Grayback (Siskiyou-Del Norte County line) 1859 Comment
  CAS-BOT-BC282716  Glyceria elata J. M. Tucker 1963-8-19 3774 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area 1950 Comment
  UC197495  Glyceria elata Geo. D. Butler 1910-7-14 1780 Siskiyou Shackleford Creek Comment
  UCD85119  Glyceria elata A. A. Heller 1916-7-20 12465 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1158 Comment
  CAS-BOT-BC282791  Glyceria leptostachya Louis C. Wheeler 1934-6-26 2797 Siskiyou Cottonwood Creek, Siskiyou Mts. 838 Comment
  UC204798  Glyceria striata Geo. D. Butler 1910-7-14 1781 Siskiyou Shackleford Creek 1219 Comment
  UCD132457  Gnaphalium palustre John M. Tucker 1974-7-28 4330 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  POM56236  Gnaphalium palustre Geo D. Butler 1910-6-12 1560 Siskiyou Yreka Creek. Comment
  SD204926  Gymnosteris parvula R. F. Thorne 1969-8-2 63392 Siskiyou Klamath Ranges region: Klamath National Forest, Salmon Mountains; Marble Mountain Wilderness, along trail to English Peak. 1159 Comment
  CHSC96006  Hackelia bella L. P. Janeway 2006-7-3 8774 Siskiyou Klamath Ranges. Salmon Mountains; south side of upper Carter Meadows 0.5 km west of Carter Meadows Summit. 1798 Comment
  CHSC66538  Hackelia californica Vernon H. Oswald 1996-7-12 8000 Siskiyou High Cascade Range. Everitt Memorial Hwy. (A10) E of Mt. Shasta city between mileposts 6 and 7. At roadside. 1767 Comment
  UCD77746  Hackelia californica Robert E. Preston 2001-6-23 1600 a Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 2011 Comment
  HSC18  Hackelia micrantha William J. Ferlatte 1966-6-22 91 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  POM215855  Hackelia micrantha L. C. Wheeler 1934-8-9 3077 Siskiyou Head of Jaynes Canyon. Siskiyou Mts. (Mt. Diablo Mer.) 1921 Comment
  RSA238563  Hackelia micrantha Frederick W. Oettinger 1968-9-2 667 Siskiyou Southwest of Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  HSC82357  Hastingsia alba Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4520 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  JEPS11905  Hastingsia alba Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-13 4799 Siskiyou 0.1 mi n of summit of divide w Scott Mountain (along road from Callahan to Carrville and Trinity Center, just n of Trinity-Siskiyou County line) 1615 Comment
  SEINET12044228  Hastingsia alba W. L. Jepson 1894-1 s.n. Siskiyou upper Sacramento, Sisson [Mount Shasta] Comment
  RSA530395  Hazardia whitneyi var. discoidea W. D. Clark, L. E. Urbatsch 1974-9-26 1153 Siskiyou 18.0 miles N of Hwy 96 on Forestry Rd 40501. 2134 Comment
  CAS-BOT-BC306355  Helenium Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  RSA0037111  Helenium autumnale T. C. Fuller 1960-8-23 4966 Siskiyou ca. 1 mi. SE/Greenview, Scott Valley. Comment
  HSC76711  Helenium bigelovii K. T. Stillman 1976-7-30 343 Siskiyou Marble Mtn. Wilderness Area, Upper Marble Valley. 1829 Comment
  UC456025  Helenium bigelovii I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1828 Comment
  RSA654056  Helenium bigelovii Beecher Crampton 1956-8-21 3809 Siskiyou Slopes of Gumboot Lake, headwater of the S fork of Sacramento River 1921 Comment
  CAS-BOT-BC305472  Helianthus annuus Carl B. Wolf 1927-8-26 999 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  CAS-BOT-BC313446  Hemizonella minima C. L. Hitchcock; J. S. Martin 1939-7-9 5325 Siskiyou 1/2 mile southeast of King's Castle, Marble Mts. 1828 Comment
  CAS-BOT-BC313464  Hemizonella minima J. H. Thomas 1954-5-13 4128 Siskiyou Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, Salmon Mountains, Klamath National Forest 1066 Comment
  CAS-BOT-BC313465  Hemizonella minima Doris K. Kildale 1928-7-4 5492 Siskiyou Summit of divide between Salmon River to Scott Valley Comment
  CAS-BOT-BC422496  Hesperomecon linearis Volney Rattan No date on label s.n. Siskiyou Unspecified Comment
  HSC74833  Heterotheca oregona var. rudis J. P. Smith, J. O. Sawyer 1978-7-3 10002 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  SEINET3166685  Heterotheca oregona var. rudis Unknown 1986-8-16 8481 Siskiyou Forest Hwy 93, 19.6 km E of Salmon Forks, W of Sawyer's Bar, by Forest Service Rd. 40N42 Comment
  JEPS81941  Heterotheca villosa var. minor Rimo Bacigalupi, and L. Heckard, J. Weiler 1961-7-2 7982 Siskiyou about 7 1/2 mi ne Weed (along US Hwy 97) 1127 Comment
  JEPS84204  Heterotheca villosa var. minor L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6324 Siskiyou 1/2 air mi from Red Butte (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1850 Comment
  HSC638  Heuchera merriamii William J. Ferlatte 1967-6-30 594 Siskiyou Josephine Lake basin 1677 Comment
  CAS-BOT-BC425007  Heuchera micrantha var. micrantha John Thomas Howell 1937-7-26 13564 Siskiyou Between Big Flat and Caribou Gulch Comment
  JEPS104860  Heuchera pringlei Dean W. Taylor 1996-7-12 15793 Siskiyou Salmon Mountains; Patterson Creek drainage (about 5 air miles west of Etna); Klamath National Forest 1371 Comment
  CHSC1636  Heuchera rubescens var. glandulosa K. Jaekel 1939-6-29 Siskiyou Castle Lake. 1981 Comment
  SBBG25850  Hieracium albiflorum D. Myrick 1966-8-8 1493 Siskiyou rd to Carter Ranch, Mountain Meadow Ranch, Big Flat 1584 Comment
  CAS-BOT-BC319691  Hieracium albiflorum P. A. Munz 1965-8-11 s.n. Siskiyou Upper meadows, Marble Valley Comment
  RSA183733  Hieracium gracile Gilbert Muth 1965-8-11 s.n. Siskiyou Marble Valley. Marble Mtns. Comment
  UC572809  Hieracium horridum W. Bridge Cooke 1938-8-17 9250 Siskiyou lava slopes Mt. Shasta 2590 Comment
  UCD77771  Hieracium horridum Robert E. Preston 2001-8-26 1772 Siskiyou Klamath National Forest, Rainbow Mountain 2072 Comment
  CAS-BOT-BC316013  Hieracium nudicaule Alice Eastwood 1921-7-25 10815 Siskiyou Bigelows, McCloud River Comment
  CAS-BOT-BC316037  Hieracium scouleri Volney Rattan 1879-6-1 s.n. Siskiyou Unspecified Comment
  RSA238735  Hieracium scouleri Frederick W. Oettinger 1968-8-12 490 Siskiyou Near Tobacco Lake. The Salmon Mountains; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1890 Comment
  UC618676  Hieracium triste W. Bridge Cooke 1938-8-18 11500 Siskiyou above Horse Camp; Mount Shasta Comment
  UC922283  Hieracium triste Annie M. Alexander and Louise Kellogg 1949-7-22 5837 Siskiyou Trail to Paradise Lake. Kings Castle; Marble Mountains 1920 Comment
  HSC60908  Hieracium triste Al Hobart Siskiyou Black Butte Comment
  CDA12233  Holodiscus discolor G. F. Hrusa 1993-8-14 11401 Siskiyou Region of Little Grayback Mountain; Summit of pass between Happy Camp, Ca. & O' Brien, Oregon, on Ca. side of state boundary. Comment
  HSC31488  Holodiscus discolor Steve Selva, Roger Jensen 1974-8-23 42 Siskiyou 1 mi. W of Doe Flat campground Comment
  HSC4856  Holodiscus discolor J. O. Sawyer 1968-9-9 652 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  UC1281115  Holodiscus discolor H. E. McMinn 1931-6-27 2529 Siskiyou Klamath River, Clear Creek Clear Creek; Klamath River, Clear Creek Comment
  UC165262  Holodiscus discolor Geo. D. Butler 1910-7-6 1645 Siskiyou Shackleford Creek 2 mi s of Scott River (near Mugginsville, flowing e into Evans Creek, sw Siskiyou County); Shackleford Creek 914 Comment
  CAS-BOT-BC152382  Holodiscus discolor var. discolor John Thomas Howell 1939-8-2 14884 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC152358  Holodiscus discolor var. discolor E. R. Drew 1916-6-1 s.n. Siskiyou Squaw Creek Ranger Station, Shasta Creek Comment
  UCD113394  Holodiscus discolor var. glabrescens P. Quentin Tomich 1954-6-26 431 Siskiyou North side of 4 foot vertical wall, Fern Cave, Lava Beds National Monument. Comment
  UCR137195  Holodiscus microphyllus M. B. Dunkle 1945-8-7 9333 Siskiyou Marble Mtns., Klamath National Forest: King's Castle 2256 Comment
  HSC63677  Holodiscus microphyllus var. glabrescens Richard Spjut, Emelia Russell 1979-8-28 5511 Siskiyou W slope of Mt. Shasta, base of rocky cliffs and ridges 2744 Comment
  HSC67791  Holodiscus microphyllus var. glabrescens J. O. Sawyer, J. Cole 1980-7-20 3750 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  RSA11809  Holodiscus microphyllus var. glabrescens Elmer I. Applegate 1923-8-18 3852 Siskiyou Hoffman Mtn, Medicine Lake Comment
  JEPS107373  Hordeum jubatum Lowell Ahart, John Dittes 2005-6-9 12023 Siskiyou Field, on the east side of a poor rock fence, about 400 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
  CDA6217  Hordeum marinum subsp. gussoneanum L. Ahart, J. Dittes 2005-6-9 12000 Siskiyou 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. Comment
  JEPS44170  Horkelia daucifolia Geo. D. Butler 1909-5-8 713 Siskiyou Shasta Valley Comment
  UC1096805  Horkelia daucifolia Milo S. Baker 1947-6-16 13170 Siskiyou Trip to Scott Mt. after turn off near Callahan Comment
  UC726315  Horkelia daucifolia A. A. Heller 1927-5-14 14384 Siskiyou Shasta Valley Comment
  UC329976  Horkelia daucifolia J. G. Lemmon 1889-6-26 Siskiyou Edgewood Comment
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Jun 26 2012
  UC673253  Horkelia daucifolia Lincoln Constance and Reed C. Rollins 1942-5-13 2913 Siskiyou 2 mi s Scott Bar; Klamath Siskiyou Region, Scott River 548 Comment
  UC221642  Horkelia fusca H. E. Brown 1897-7-31 530 Siskiyou S side of Mt. Shasta, Siskiyou Co. Comment
  JEPS74530  Horkelia fusca subsp. parviflora W. J. Ferlatte 1966-6-22 69 Siskiyou near public camp; Big Flat 1524 Comment
  UC545673  Horkelia tridentata subsp. tridentata Louis C. Wheeler 1934-6-29 2821 Siskiyou Beaver Creek Siskiyou Mts., Mt. Diablo Mer 1341 Comment
  HSC82204  Horkelia tridentata var. tridentata Thomas W. Nelson, Jane P. Nelson 1980-7-5 5969 Siskiyou Fowler's Campground 1006 Comment
  HSC98313  Hosackia oblongifolia D. E. Anderson 1962-8-5 2312 Siskiyou 3 mi. W of Bartlett, 1 mi. N of Shasta Co. line on Hwy. 89 Comment
  HSC71654  Hosackia oblongifolia var. oblongifolia J. P. Smith, Steve Selva 1970-6-15 3981 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  SBBG25908  Hosackia oblongifolia var. oblongifolia D. Myrick 1966-8-10 1545 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  CAS-BOT-BC312571  Hulsea nana Wm. Bridge Cooke 1938-9-8 11605 Siskiyou Mount Shasta. Little Red Butte Comment
  SBBG30499  Hydrophyllum fendleri D. Myrick 1968-6-26 2027 Siskiyou upper end of Coffee Crk; Trinity Alps 1463 Comment
  UC922469  Hydrophyllum occidentale Annie M. Alexander and Louise Kellogg 1949-7-24 5864 Siskiyou trail to Bear Lake; Marble Mountains, Paradise Lake 1920 Comment
  SEINET5518642  Hydrophyllum occidentale G. D. Butler 1910-4-25 1241 Siskiyou Oro Fino Comment
  UCSB24801  Hydrophyllum tenuipes Keefe, Joseph 1967-7-11 Siskiyou Along trail to Little Castle Lake; 1.0 mile southeast of Castle Lake; 10 miles south of the city of Mt. Shasta 1828 Comment
  UC164264  Hypericum anagalloides Geo. D. Butler 1908-8-3 52 Siskiyou Shackleford Creek, Log Lake Comment
  UC61161  Hypericum formosum var. scouleri W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mt.Shasta, Sisson Comment
  HSC36738  Hypericum perforatum Brent Whiteley 1975-6-17 1 Siskiyou 223 Comment
  CAS-BOT-BC88617  Idahoa scapigera L. E. Smith 1913-3-19 590 Siskiyou Yreka. Comment
  JEPS87632  Ipomopsis aggregata subsp. formosissima Vernon H. Oswald and Lowell Ahart 1994-8-10 6463 Siskiyou ca. 5 mi. (air) n.w. McCloud (FS 31 0.6 mi. e. of Ski Park Hwy. (FS 88)) 1584 Comment
  RSA12495  Ipomopsis aggregata subsp. formosissima C. B. Wolf 1934-7-4 5942 Siskiyou Horse Creek Road to Dry Lake Lookout, Siskiyou Mountains, 13.5 miles from Horse Creek Bridge on Klamath River 1524 Comment
  POM64964  Ipomopsis aggregata subsp. formosissima H. P. Chandler 1901-06 1624 Siskiyou Near Marble Mountain 2134 Comment
  JEPS116877  Ipomopsis congesta David Gowen 2007-7-11 778 Siskiyou Southeast of Lake Shastina and Hwy 97 on forest service road 42N15. Near rocky area on side trail, midway between railroad tracks and pumice mine. Comment
  RSA60636  Iris missouriensis I. L. Wiggins 1950-5-27 12357 Siskiyou Banks of East Fork of Scott River at Callahan Ranger Station, Callahan. 976 Comment
  UC127335  Iris missouriensis H. M. Hall and E. B. Babcock 1903-6-18 4140 Siskiyou Pole Canyon Sierra Nevada Mountains (ne Shasta County) 1463 Comment
  UC164475  Iris missouriensis Geo. D. Butler 1909-6-22 883 Siskiyou Goosenest foothills Comment
  SEINET3148773  Isatis tinctoria G. D. Butler 1910-6-7 1534 Siskiyou Scott River Comment
  UC400939  Isoetes bolanderi Geo. D. Butler 1908-8-3 256 B Siskiyou Shackleford Creek Log lake Comment
  UC400941  Isoetes bolanderi Geo. D. Butler 1908-8-8 254 Siskiyou near head W. Fork Wooly Creek Comment
  RSA211494  Isoetes howellii William J. Ferlatte 1966-8-3 281 Siskiyou Josephine Lake basin. Trinity Alps. 1677 Comment
  UC1745893  Isoetes occidentalis Annetta M. Carter, Eder Lindsay 1939-8-20 1463 Siskiyou NW side of Taylor Lake. 2026 Comment
  SEINET8463956  Ivesia pickeringii D. W. Taylor 1996-7-11 15781 Siskiyou Scott Mountains, West Fork Parks Creek (about 15 air miles West of Stewart Springs) Shasta-Trinity National Forest 1329 Comment
  CAS-BOT-BC110022  Juncus Melissa A. Berry 1957-7-11 s.n. Siskiyou Parrott Mill Road, vicinity of Callahan. 1066 Comment
  UC60945  Juncus bufonius Geo. B. Grant Sep 1902 5238 Siskiyou Shasta Springs Mount Shasta 609 Comment
  RSA759843  Juncus covillei Robert F. Thorne 1969-8-2 63397 Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak 1159 Comment
  HSC60812  Juncus ensifolius Ruby Van Deventer 1962-8-15 Siskiyou Bell Echo Camp in Youngs Valley Comment
  POM250715  Juncus ensifolius D. D. Keck 1938-8-8 4865 Siskiyou Siskiyou County at Trinity County line; Scott Mountain Divide, between Scott Mountain and Craggy Peak. 1677 Comment
  JEPS63841  Juncus exiguus B. C. Goldsmith 1916-10-10 36 Siskiyou Widow Creek Mt. Shasta 1341 Comment
  UCD141559  Juncus howellii J. M. Tucker 1950-7-24 1952 Siskiyou Beside Cold Creek at the Military Road crossing, about 6 miles northwest of Pilgrim Creek Experience Station, east side of Mt. Shasta. Comment
  CAS-BOT-BC110801  Juncus mertensianus John Thomas Howell 1939-8-8 15154 Siskiyou Black Mountain. Marble Mountains. Comment
  HSC96562  Juncus mertensianus Gordon Leppig, J. Kalt 1996-7-10 375 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  UC70440  Juncus mertensianus Milo S. Baker 1899-8-1 Siskiyou e slope Mt. Shasta; Ash Creek 1828 Comment
  UCD77268  Juncus nevadensis Robert E. Preston 2002-7-12 1905 Siskiyou Klamath National Forest, S slope of Rainbow Mountain, N of Trout Creek. 1652 Comment
  RSA299465  Juncus orthophyllus J. P. Smith, Steve Selva 1970-7-18 4485 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  CAS-BOT-BC81136  Juniperus communis W. B. C. 1938-9-8 11644 Siskiyou North side of Red Butte 2468 Comment
  CAS-BOT-BC81229  Juniperus occidentalis Doris K. Kildale 1928-7-5 5547 Siskiyou 10 miles north of Yreka on Pacific highway on Shasta River Comment
  HSC27232  Juniperus occidentalis J. P. Smith, J. O. Sawyer 1971-9-18 4806 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  UC202176  Juniperus occidentalis Geo. D. Butler 1909-12-10 1112 Siskiyou Klamath Hills Comment
  NY20197  Juniperus occidentalis M. P. Anderson 1902-3-4 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
  JEPS107377  Juniperus occidentalis var. occidentalis Lowell Ahart, John Dittes 2005-6-9 12021 Siskiyou Small low hill, north fence boundary, on the east side of a poor rock fence, about 350 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  JEPS95663  Juniperus occidentalis var. occidentalis Vernon H. Oswald and L. Ahart 1999-7-5 9813 Siskiyou Gazelle Mtn. on road 41N03 1.0 mi southeast of Gazelle-Callahan Hwy.: T41N R7W Sect. 3, 5100 ft, yellow pine forest, serpentine substrate 1554 Comment
  UCR4291  Juniperus occidentalis var. occidentalis Frank C. Vasek 1965-8-31 650831- 01 Siskiyou Lava Beds National Monument, at the turn-off to Valentine Cave 1393 Comment
  UC1023831  Kelloggia galioides Douglas Barbe 1955-7-26 289 Siskiyou w of Scott Mt. summit 2042 Comment
  SD64363  Kochia scoparia Darley F. Howe 1966-8-27 4308 Siskiyou 3.2 miles north of Tule Lake. 1310 Comment
  UC197483  Koeleria macrantha Geo. D. Butler 1910-7-3 1625 Siskiyou Goosenest Mountain 1219 Comment
  UC70743  Koeleria macrantha T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC618854  Kopsiopsis strobilacea W. Bridge Cooke 1938-6-24 11096 Siskiyou Mount Shasta, near MacBride Springs. Comment
  CAS-BOT-BC499662  Kopsiopsis strobilacea Wm. Bridge Cooke 1938-7-22 11308 Siskiyou Mount Shasta: Wagon Camp--Horse Camp Trail 2133 Comment
  CAS-BOT-BC340364  Kyhosia bolanderi Annie M. Alexander; Louise Kellogg 1949-7-30 5903 Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  CAS-BOT-BC340377  Kyhosia bolanderi John Thomas Howell 1939-8-9 15207 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  JEPS39005  Lagophylla ramosissima Geo. D. Butler 1908-7-22 296 Siskiyou near Yreka; Butler's Ranch Comment
  OBI53785  Lagophylla ramosissima David J. Keil, Kathleen Keil 1992-7-20 23473 Siskiyou W side of Scott Valley, 4.9 mi N of Etna alog CA Rte 3 875 Comment
  RSA406668  Lathyrus Louis C. Wheeler 1934-6-8 2662 Siskiyou Beaver Creek. 1220 Comment
  SBBG67562  Lathyrus brownii A. A. Heller 1927-5-14 14378 Siskiyou base of Black Butte near W base of Mount Shasta Comment
  CAS-BOT-BC204986  Lathyrus jepsonii var. californicus Marian L. Campbell 1921-7-26 s.n. Siskiyou Near Castle Crags Comment
  JEPS75661  Lathyrus nevadensis var. nevadensis Geo. D. Butler 1909-6-22 916 Siskiyou Goosenest Mountain Comment
  JEPS82463  Lathyrus nevadensis var. nevadensis Gilbert Muth 1966-7-14 384 Siskiyou Marble Valley, above pasture Marble Mt. Wilderness Area 1798 Comment
  SEINET10577313 Image available Lathyrus pauciflorus subsp. brownii H. E. Brown 1897-6-11 Brown 391 Siskiyou North Side Mt. Shasta. 1524 Comment
  RSA30645  Lathyrus tracyi Lincoln Constance, Reed C. Rollins 1942-5-12 2898 Siskiyou Klamath River 2 miles north of Somes Bar. 183 Comment
  JEPS45873  Leersia oryzoides Louis C. Wheeler 1934-9-16 3270 Siskiyou Siskiyou Mountains, Klamath River, Walker Klamath River; Siskiyou Mountains, , Walker 518 Comment
  UC818698  Leersia oryzoides Louis C. Wheeler 1934-9-16 3270 Siskiyou Siskiyou Mountains, Klamath River, Walker Klamath River; Siskiyou Mountains, , Walker 518 Comment
  CHSC106270  Lemna gibba Lowell Ahart; John Dittes 2010-7-30 16959 Siskiyou On the shallow calm water, along the south edge of the Shasta River, about 100 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  CAS-BOT-BC88859  Lepidium campestre R. E. Frenkel 1964-7-13 669 Siskiyou Just north of Everitt Memorial Highway at the sign marking Alice M. Zender Memorial Grove. 1371 Comment
  CHSC38094  Lepidium draba R. E. Preston 1983-7-17 400 Siskiyou At side of Hiram Page Road, across from grave marker, Yreka. 829 Comment
  CAS-BOT-BC12997  Lepidium virginicum Edward Lee 1934-8-10 1020 Siskiyou South bank of Klamath River between McKinney and Parkhouse creeks (near Hamburg). 609 Comment
  UC637078  Lepidium virginicum Edward Lee 1934-8-10 1020 Siskiyou near Hamburg (between McKinney and Parkhouse Creeks, s bank of Klamath River); Klamath River 609 Comment
  POM259004  Leptosiphon harknessii C. L. Hitchcock, J. S. Martin 1939-7-6 5214 Siskiyou on Takilma-Happy Camp Road 1677 Comment
  RSA238567  Leptosiphon nuttallii Frederick W. Oettinger 1969-8-23 1516 Siskiyou Open meadow in Red Fir woods, Hamilton Camp. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1402 Comment
  POM253567  Lesquerella occidentalis C. L. Hitchcock, J. S. Martin 1939-7-9 5305 Siskiyou N side of Black Mt. near Marble Mt. (King s Castle). 2073 Comment
  POM361831  Lessingia nemaclada Louis C. Wheeler 1934-7-16 2907 Siskiyou Gottville, Klamath River; Siskiyou Mts. 564 Comment
  CHSC96439  Leucothoe davisiae Gordon Leppig 1998-8-13 1004 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
  HSC7842  Leucothoe davisiae Jerry Parker 1968-10-6 132 Siskiyou Salmon Mtns., above Little Duck Lake Comment
  JEPS66649  Leucothoe davisiae John P. Young 1921-9-15 Siskiyou near summit of Whisky Butte, Etna Mills, w Siskiyou County Whisky Butte; , Etna Mills Comment
  SBBG25822  Leucothoe davisiae D. Myrick 1966-8-10 1519 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  CAS-BOT-BC229452  Lewisia cotyledon James Payne Smith, Jr. 1978-5-28 9955 Siskiyou Klamath National Forest. Forest Service Road 39N27, 3.1 miles south of Sawyers Bar 1219 Comment
  RSA215609  Lewisia cotyledon Gilbert Muth 1969-8-6 1177 Siskiyou Second Valley Comment
  HSC69030  Lewisia cotyledon var. cotyledon Maralyn A. Renner 1980-7-28 2179 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  JEPS17195  Lewisia cotyledon var. cotyledon W. L. Jepson 1907-7-4 2817 Siskiyou Shackelford Canyon Comment
  UC163731  Lewisia cotyledon var. cotyledon Geo. D. Butler 1909-7-20 460 Siskiyou Highland Mine Comment
  UC630395  Lewisia cotyledon var. cotyledon Annetta Carter 1939-8-21 1466 Siskiyou 12 mi sw Etna (above se end of Taylor Lake); Salmon Mountains 2164 Comment
  CAS-BOT-BC444049  Lewisia cotyledon var. cotyledon John M. Tucker 1963-7-7 3713 Siskiyou In vicinity of Paradise Lake, at base on east side of Kings Castle, Marble Mountain Wilderness 1981 Comment
  CAS-BOT-BC444084  Lewisia leeana Doris K. Kildale 1915-8-26 12218 Siskiyou Near the source of Wagon Creek, Mt. Eddy 2590 Comment
  RSA237331  Lewisia leeana Frederick W. Oettinger 1967-7-8 166 Siskiyou Near Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  SBBG1936  Lewisia nevadensis H. and M. Dearing 1939-6-5 3559 Siskiyou SE of McCloud 1371 Comment
  HSC22267  Lewisia triphylla J. O. Sawyer 1969-7-10 1294 Siskiyou Ridges E of Russian Peak 2256 Comment
  UCD77823  Lewisia triphylla Robert E. Preston 2001-7-21 1725 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2066 Comment
  POM257761  Lewisia triphylla C. L. Hitchcock 1939-7-9 5337 Siskiyou Paradise Lake, near Kings Castle. 1768 Comment
  CAS-BOT-BC283814  Leymus cinereus L. E. Smith 1915-7-1 s.n. Siskiyou Bray Comment
  UC1137018  Leymus cinereus August L. Hormay 1932-7-15 Siskiyou Weed Valley Comment
  CAS-BOT-BC283815  Leymus cinereus A. A. Heller 1905-6-19 s.n. Siskiyou Grenada Station Comment
  CDA32461  Leymus cinereus T. C. Fuller 1958-6-19 1808 Siskiyou Fence row adjacent to open pasture, 3 miles northeast of Montague 0 Comment
  CDA15521  Ligusticum apiifolium G. F. Hrusa 1998-7-5 14689 Siskiyou Siskiyou Mountains; Bear Creek Rd. +- 1/2 mi. N of Hwy 96 and 10 mi. SW of Happy Camp. Sheet 1 of 2 Comment
  HSC67705  Ligusticum californicum John S. Palmer 1980-7-24 605 Siskiyou Elk Hole 1503 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
  RSA691933  Ligusticum grayi Barbara Ertter 1990-7-14 9342 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4 air miles west of Mt. Shasta City 1829 Comment
  CAS-BOT-BC509356  Lilium kelleyanum Albert M. Vollmer 1949-7-5 11 -B Siskiyou 7 miles from Callahan on Callahan-Carrville road. Comment
  UC705659  Lilium pardalinum Marion Ownbey, Fred G. Meyer 1940-7-6 2200 Siskiyou Cayenne Ridge; Marble Mountain Comment
  CAS-BOT-BC130825  Lilium pardalinum Wm. Bridge Cooke 1938-7-15 11197 Siskiyou Bear Springs, also at Wagon Camp Comment
  RSA761679  Lilium pardalinum Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63355 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  HSC101482  Lilium pardalinum subsp. wigginsii J. P. Smith, J. O. Sawyer 2011-7-21 13034 Siskiyou Near Dillon Camp 1358 Comment
  RSA28138  Lilium washingtonianum Albert M. Vollmer, I. L. Wiggins 1940-7-5 9 Siskiyou 3.5 miles northeast of the town on Mount Shasta 1402 Comment
  HSC45186  Lilium washingtonianum subsp. purpurascens J. O. Sawyer, Ed Cope 1977-6-18 2932 Siskiyou Along Clear Creek Trail between Bear Pen Creek and West Fork. 671 Comment
  HSC63265  Lilium washingtonianum subsp. purpurascens M. A. Baker 1979-7-30 1080 Siskiyou E of trail to Tom's Lake Comment
  CHSC109945  Limnanthes alba Peter F. Zika 2012-5-14 25854 Siskiyou Klamath Range. I-5 southbound, near exit 730 for Dunsmuir. 750 Comment
  JEPS58322  Linanthus ciliatus Geo. D. Butler 1909-7-15 944 Siskiyou Highland Mine Comment
  UC106768  Linanthus harknessii Dr. Palmer Jul 1892 Siskiyou Sisson Mt. Shasta Comment
  UC1540248  Linanthus harknessii Dean W. Taylor 1987-6-24 9050 Siskiyou vicinity Mud Well 1371 Comment
  CDA6300  Linaria genistifolia subsp. dalmatica William J. Ferlatte 1971-6-28 Siskiyou Side of alley behind 22 Minnesota Street, McCloud. 0 Comment
  HSC3909  Linnaea borealis subsp. longiflora Dorothy Parker 1949-8-12 363 Siskiyou Along banks of Duck Lake Creek, Salmon Mtns. 1524 Comment
  RSA0087558  Linnaea borealis subsp. longiflora Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road. 1219 Comment
  UC1045254  Linnaea borealis var. longiflora W. Bridge Cooke 1940-8-8 15421 Siskiyou along Squaw Valley Creek below McCloud intake; Mount Shasta, along Squaw Valley Creek below McCloud intake Comment
  UC889483  Linnaea borealis var. longiflora L. E. Smith 1913-7-12 458 Siskiyou Downeys Mill Comment
  HSC60001  Linum lewisii D. L. Goforth 1979-7-7 230 Siskiyou Klamath National Forest, Condrey Mtn., near Windy Camp. 2027 Comment
  HSC4905  Listera caurina J. O. Sawyer 1968-7-2 359 Siskiyou Upper drainage of Joe Creek 1677 Comment
  HSC4909  Listera convallarioides J. O. Sawyer 1968-6-18 190 Siskiyou Above S Russian Creek on W side. 1463 Comment
Read comments
Jan 31 2013
  POM267244  Lithocarpus densiflorus var. densiflorus Marion Ownbey, Fred G. Meyer 1940-7-8 2231 Siskiyou Siskiyou Mountains, 17 miles north of Happy Camp. Comment
  RSA697651  Lithocarpus densiflorus var. echinoides Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mnts. 1006 Comment
  JEPS47644  Lithophragma glabrum Geo. D. Butler 1909-4-13 652 Siskiyou near Yreka; near Yreka Comment
  CAS-BOT-BC435631  Lithophragma heterophyllum J. H. Thomas 1954-5-13 4154 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Along Rush Creek. 1127 Comment
  CHSC36161  Lithophragma parviflorum K. Bridwell 1978-4-15 90 Siskiyou Along Copco Rd and n bank of Irongate Reservoir (upper Klamath River), ca. 15 mi ne of Hornbrook. 762 Comment
  POM92052  Lithophragma parviflorum Geo. D. Butler 1909-5-1 687 Siskiyou Klamath Hills. Comment
  POM92055  Lithophragma parviflorum Geo. D. Butler 1910-5-8 1307 Siskiyou Near Yreka. Comment
  CAS-BOT-BC325941  Lithospermum californicum Volney Rattan 1879-6-1 s.n. Siskiyou Klamath Comment
  SD230185  Lithospermum californicum Louis C. Wheeler 1959-7-24 7589 Siskiyou Salmon & Marble Mountains Region: Ridge between Crawford Creek Gulch. Comment
  UC881906  Lithospermum ruderale W. Bridge Cooke 1942-7-2 16362 Siskiyou near Widow Springs Widow Springs; Mt. Shasta Comment
  UC1001183  Lomatium californicum Dorothy Parker 1953-5-12 528 Siskiyou w. side Scott Valley; Siskiyou Mts., Scott Valley 883 Comment
  JEPS107409  Lomatium macrocarpum Lowell Ahart, John Dittes 2005-6-9 12032 Siskiyou Hill, south of a rock fence, about 100 yards northeast of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  HSC37532  Lomatium nudicaule J. P. Smith 1974-5-26 7568 Siskiyou Along FS Rd. 47N03 1524 Comment
  RSA78822  Lomatium nudicaule P. A. Munz 1952-7-2 17900 Siskiyou Baldy Mountain about 6 air miles west of Happy Camp, Siskiyou Mountains 1738 Comment
  POM82361  Lomatium piperi Geo. D. Butler 1910-2-25 1130 Siskiyou Yreka Comment
  SBBG25843  Lonicera D. Myrick 1966-8-10 1534 Siskiyou Salmon Crk Trail, Mtn Meadow Ranch, Big Flat 1676 Comment
  RSA455709  Lonicera ciliosa Edwin Kline 1920-6-24 s.n. Siskiyou Siskiyou Mts. Comment
  UCR101765  Lonicera conjugialis L. C. Wheeler 1958-8-21 7416 Siskiyou Siskiyou Mountains, Lily Pad Lake, head W Fork Seiad Creek 1820 Comment
  HSC76875  Lonicera interrupta K. T. Stillman 1976-9-9 466 Siskiyou Marble Mountain Wilderness Area, Marble Valley Guard Station. 1738 Comment
  UC54575  Lonicera involucrata var. involucrata H. M. Hall and E. B. Babcock June, 1903 4137 Siskiyou Pole Canyon Sierra Nevada Mountains 1463 Comment
  UC375401  Lotus crassifolius var. crassifolius Geo. D. Butler 1908-8-3 396 Siskiyou Log Lake Shackleford Creek Comment
  RSA47632  Lotus douglasii Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11788 Siskiyou Scott Mountain Road south of Callahan. Comment
  UC375404  Lotus humistratus Geo. D. Butler 1909-6-23 911 Siskiyou Goosenest foothills Goosenest Comment
  UC60884  Lotus purshianus var. purshianus W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC140205  Luetkea pectinata C. L. Hitchcock; J. S. Martin 1939-7-9 5328 Siskiyou 1/2 mile southeast of King's Castle, Marble Mts. 1828 Comment
  HSC29401  Luetkea pectinata Frederick W. Oettinger 1968-8-2 356 Siskiyou Marble Mtn. Wilderness Area, SE corner of Diamond Lake 2073 Comment
  CAS-BOT-BC342565  Luina hypoleuca Carl B. Wolf 1927-8-27 1138 Siskiyou On the Klamath River at the mouth of Crawford Creek Comment
  CAS-BOT-BC342564  Luina hypoleuca Philip A. Munz 1952-7-1 17858 Siskiyou Klamath River, 6 miles north of Orleans 182 Comment
  OBI53971  Luina hypoleuca David J. Keil, Kathleen Keil 1992-7-19 23460 Siskiyou Klamath Natl Forest 9 mi NW of Forks of Salmon along Forks of Salmon Rd 300 Comment
  OBI55450  Lupinus David J. Keil 1992-7-20 23508 Siskiyou Klamath Natl Forest, SW of Fort Jones. Along Forest Rd 46N64, 7.4 mi W of Scott river Rd 800 Comment
  UCD105875  Lupinus albicaulis W. A. Williams 1957-7-23 57 S Siskiyou Siskiyou-Trinity County line. Deadfall Creek Shasta National Forest (e. of Mt. Eddy). 2011 Comment
  RSA12492  Lupinus albicaulis var. shastensis Carl B. Wolf 1934-7-4 5945 Siskiyou Horse Creek Road to Dry Lake Lookout, Siskiyou Mountains, 13.5 miles from Horse Creek Bridge on Klamath River 1524 Comment
  UC618891  Lupinus albicaulis var. shastensis W. Bridge Cooke 1938-7-29 11386 Siskiyou Howard Mount Shasta, Howard (Mt. Shasta) Comment
  RSA119549  Lupinus albicaulis var. shastensis C. P. Smith 1947-5-13 47277 Siskiyou 2.2 miles east of Weed. Comment
  CAS-BOT-BC195963  Lupinus albifrons var. albifrons Roxana S. Ferris; Laura Lorraine 1948-6-12 11725 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  SEINET10937025  Lupinus albifrons var. flumineus Katherine L. Morris 1973-6-2 Morris 370 Siskiyou In an open meadow assoc. With yellow pine on the s side of hwy 3, 22 miles e of Fort jones Comment
  HSC2252  Lupinus andersonii Geo. D. Butler 1910-5-15 1349 Siskiyou Greenhorn Mtn. Comment
  HSC78218  Lupinus andersonii L. P. Janeway 1983-8-6 504 Siskiyou At Poker Flat. NW edge of Meadow along the road. 1524 Comment
  CAS-BOT-BC8426  Lupinus argenteus Amos Arthur Heller 1905-6-9 8015 Siskiyou Montague Comment
  CAS-BOT-BC196352  Lupinus argenteus var. argenteus J. M. Tucker 1950-7-24 1960 Siskiyou Outskirts of Dorris Comment
  CAS-BOT-BC215192  Lupinus croceus Doris K. Kildale 1928-7-2 5343 Siskiyou Salmon Summit Trail, Horn Creek Trail 1981 Comment
  UC1185309  Lupinus croceus H. E. Brown June 1-10, 1897 392 Siskiyou near Sisson; near Sisson 1083 Comment
  UC1608316  Lupinus croceus J. Kierstead 1990-7-18 90 -106 Siskiyou Forest Service Rd. 40N26 w Gumboot Lake (Mt. Shasta Ranger Dist.); , w of Gumboot Lake 1950 Comment
  SEINET10485430  Lupinus klamathensis Charles Piper Smith 1947-5-13 Smith 47275 Siskiyou 6.9 mi. E of weed. Hwy 97. Comment
  HSC31141  Lupinus latifolius subsp. latifolius J. O. Sawyer 1971-8-19 2457 Siskiyou 2012 Comment
  LA93396  Lupinus latifolius var. latifolius J. M. Tucker; 1974-7-28 4325 Siskiyou adjacent to camp at Haypress Meadows, Marble Mountain Wilderness Area 1462 Comment
  UC609361  Lupinus latifolius var. viridifolius Eleanor B. Hart 1938-8-16 894 Siskiyou n end Lower Wright Lake; n end of Lower Wright Lake 2072 Comment
  UCD108213  Lupinus latifolius var. viridifolius A. A. Heller 1914-8-25 11709 Siskiyou Deetz Station near Black Butte. 1158 Comment
  UCD108247  Lupinus lepidus var. confertus A. A. Heller 1905-6-1 7933 Siskiyou near Dunsmuir. Comment
  UC865433  Lupinus lepidus var. sellulus A. A. Heller 1916-7-21 12481 Siskiyou near Upton; near Upton 1097 Comment
  UC1928018  Lupinus leucophyllus Rhonda Riggins 1993-6-17 1687 Siskiyou along CA 263, ca. 1 mi N of junction with CA 96, 0.5 mi S of jct. I5 Comment
  SEINET10485529  Lupinus leucophyllus var. belliae Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-2 Conrad 6978 Siskiyou Wester yellow pine, libocedrus, douglas fir forest, 6 mi. Sw of callahan. 1524 Comment
  RSA583103  Lupinus luteolus Louis C. Wheeler 1935-7-3 3651 Siskiyou Yreka. 793 Comment
  UC156994  Lupinus microcarpus var. microcarpus Geo. D. Butler 1910-5-21 1373 Siskiyou Klamath hills Comment
  CHSC928  Lupinus obtusilobus V. Holt 1932-7-25 Siskiyou Mt. Shasta Flats. 1219 Comment
  RSA0064517  Lupinus onustus Daisie Huang 2006-8-4 06080406 Siskiyou Castle Lake Road. 1326 Comment
  SEINET10490236  Lupinus sellulus subsp. ursinus Worley 1985-6-1 WORLEY 89 Siskiyou Shast-trinity national forest, scott mtn. 1829 Comment
  SEINET10490890  Lupinus sellulus var. sellulus Smith 1929-7-17 Smith 4415 Siskiyou Edgewood. Comment
  SEINET10490260  Lupinus subvexus var. transmontanus Katherine L. Morris 1973-6-2 Morris 339 Siskiyou Decomposed volcanic soil on hornbrook to montague road, about 1 mi se of Hornbrook. Comment
  SEINET3881818  Luzula campestris Rimo C. Bacigalupi, Mr. Van Deventer; Mrs. Van Deventer 1959-7-9 7257 Siskiyou Poker Flat.; 0 622 Comment
  HSC30720  Luzula comosa Frederick W. Oettinger 1969-7-16 1034 Siskiyou Just NE of Abbott's Lake outlet 1723 Comment
  CAS-BOT-BC436708  Luzula comosa var. laxa Elmer I. Applegate 1895-5-28 753 a Siskiyou Sisson, Strawberry Valley Comment
  RSA186326  Luzula comosa var. laxa Gilbert Muth 1966-10-16 14 Siskiyou Marble Mountains 1793 Comment
  UC2956  Luzula macrantha Harley P. Chandler June, 1901 1562 Siskiyou North Coast Ranges. Ridges and meadows near Marble Mountain (Klamath River to Marble Mountain) 1828 Comment
  JEPS40872  Luzula parviflora Paul C. Hutchison 1962-8-2 932 Siskiyou between Panther Meadow and top ski lift; Mount Shasta, bet Panther Meadow and top ski lift 2743 Comment
  JEPS67183  Luzula parviflora Geo. D. Butler 1910-7-8 1673 Siskiyou Shackelford Creek , Shackelford Creek (Upper Campbell Lake) 1524 Comment
  RSA186334  Luzula parviflora Gilbert Muth 1966-10-16 30 Siskiyou Marble Mountains 1793 Comment
  LA20729  Luzula subcongesta W. B. C.; 1939-7-26 13741 Siskiyou Mount Shasta, around the E boreal spring above Panther Creek 2743 Comment
  SEINET10846351  Machaeranthera canescens var. shastensis Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 886 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway). T41N R6W near sections 28 and 33. 1983 Comment
  UCD131201  Machaeranthera canescens var. shastensis J. M. Tucker 1950-7-24 1949 Siskiyou beside Highway 89, 7.5 miles east of McCloud. Comment
  JEPS40209  Madia elegans Geo. D. Butler 1908-8-12 307 Siskiyou Greenview Scott Valley Comment
  UC165392  Madia elegans Geo. D. Butler 1910-5-27 1413 Siskiyou near Yreka Comment
Read comments
Jan 23 2011
  CDA30925  Madia elegans subsp. elegans M. Beyers, G. F. Hrusa 2010-8-18 694 Siskiyou Highway 96; Sluice Box Klamath River Access. 410 Comment
  POM362233  Madia glomerata Donald Myrick 1968-6-25 2008 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Creek, Trinity Alps 1524 Comment
  CAS-BOT-BC343440  Madia gracilis Wm. Bridge Cooke 1938-8-5 11440 Siskiyou Mount Shasta. MacBride Springs Comment
  UCR45390  Madia gracilis D. H. Norris 1970-5-23 12233 Siskiyou Along Klamath River at Ishi Pishi [Rd.] Bridge near Somes Bar 145 Comment
  POM224453  Mahonia aquifolium H. P. Bracelin 1936-5-12 849 Siskiyou North base of Mt. Eddy, 11 miles N.W. of Mt. Shasta City; about 2 miles E. of Burney Mill; flat beside creek at bridge. 1128 Comment
  RSA264979  Maianthemum racemosum subsp. amplexicaule Gilbert Muth 1975-7-28 s.n. Siskiyou Near Cook and Green Pass, near Seiad Valley 1524 Comment
  RSA105431  Maianthemum racemosum subsp. amplexicaule Milo S. Baker 1955-7-4 91 Siskiyou Klamath Mountains: 11 miles south of Etna on the North Fork of French Creek, about 1000 from Parrot Mill Rd. 976 Comment
  RSA184805  Maianthemum stellatum Gilbert Muth 1966-7-8 365 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  JEPS36764  Malacothrix floccifera W. L. Jepson 1907-7-23 2959 Siskiyou Shackelford Valley Comment
  UC163675  Medicago lupulina Geo. D. Butler 1908-6-20 1039 Siskiyou along creek near Yreka Comment
  HSC71457  Medicago lupulina J. P. Smith 1973-5-5 6386 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  POM265992  Melica californica Lincoln Constance, R. C. Rollins 1942-5-14 2934 Siskiyou Shasta River 6 miles north of Yreka. 762 Comment
  UC1222353  Melica fugax Joseph P. Tracy 1951-6-16 19479 Siskiyou Takilma-Happy Camp Road Siskiyou Mts. (summit of Siskiyou Mts, about 3 mi s of Calif State Line) Comment
  UCD87262  Melica fugax A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3410 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  RSA403531  Melica subulata M. B. Dunkle 1945-1 9340 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  JEPS48636  Mentzelia dispersa Geo. D. Butler 1909-6-12 906 Siskiyou McAdams Creek Comment
  HSC15838  Mentzelia laevicaulis R. C. Wunner 1965-8-21 447 Siskiyou Lava Beds National Monument, Canby Cross area 1220 Comment
  RSA59505  Mentzelia veatchiana E. K. Balls 1950-5-16 14709 Siskiyou Caldwell Butte, east slope, near base. Lava Beds National Moneument Comment
  UCSB24988  Micranthes californica Keefe, Joseph 1967-7-11 Siskiyou Little Castle Lake, south of Castle Lake, 10 miles southwest of town of Mt. Shasta 2011 Comment
  CAS-BOT-BC429034  Micranthes nidifica Roxana S. Ferris; Laura Lorraine 1948-6-12 11774 Siskiyou About 5.5 miles from Etna on Forks of Salmon Road Comment
  CAS-BOT-BC432854  Micranthes tolmiei Lester Rowntree 1939-7-31 s.n. Siskiyou Caribou Lakes Comment
  CAS-BOT-BC348421  Micropus californicus var. californicus Geo. D. Butler 1910-5-7 1297 Siskiyou Yreka Comment
  UC618641  Microseris nutans W. Bridge Cooke 1938-7-15 11226 Siskiyou below Wagon Camp; Mount Shasta 1706 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
  HSC40236  Microsteris gracilis J. P. Smith 1976-5-5 8672 Siskiyou Road from Etna to Sawyer's Bar. 732 Comment
  SEINET3145680  Microsteris gracilis G. D. Butler 1910-3-28 1148 Siskiyou Yreka Comment
  RSA529977  Mimulus bicolor D. W. Taylor, R. E. Palmer 1988-6-23 9864 Siskiyou Ca. 4 miles N of Timbered Crater, ca. 1 mile SE of Adobe Flat. 1098 Comment
  JEPS3162  Mimulus breweri George D. Butler 1908-8-7 437 Siskiyou lake at head Wooley Creek 1676 Comment
  RSA408132  Mimulus breweri Louis C. Wheeler 1935-7-26 3698 Siskiyou Siskiyou Mountains: Jaynes Canyon. 1951 Comment
  HSC29399  Mimulus breweri Frederick W. Oettinger 1969-8-13 1360 Siskiyou High Lake Basins: main camp site, English Lake 1829 Comment
  POM43496  Mimulus floribundus Geo. D. Butler 1910-6-22 1599 Siskiyou Yreka Creek. Comment
  POM4  Mimulus guttatus Copeland 1903-8-13 3808 Siskiyou Sisson. [old name for Mount Shasta] Comment
  POM43710  Mimulus guttatus Edward Palmer 1892-7-13 2478 Siskiyou Mt. Shasta and vicinity. Comment
  UC445160  Mimulus layneae W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson, 18th Crossing Mount Shasta Comment
  UCR72553  Mimulus layneae D. M. Thompson 1992-6-29 1023 Siskiyou Near Black Butte, midway between Mt. Shasta city and Weed. 1.2 mi north of I-5 interchange (Summit Drive / Deetz Road/Truck Village Drive) along N part of Truck Village Drive (E side of I-5). At summit of hill overlooking railway junction at end of pavement 1200 Comment
  UC164261  Mimulus lewisii Geo. D. Butler 1908-8-8 435 Siskiyou Marble Valley Comment
  UCR37819  Mimulus lewisii K. T. Stillman 1976-7-22 293 Siskiyou Marble Mountain Wilderness Area Comment
  UC1034004  Mimulus microphyllus Francis W. Pennell Jul 16 1940-Jul 17 1940 26163 Siskiyou 5 mi sw yreka 914 Comment
  HSC36420  Mimulus moschatus J. O. Sawyer 1968-7-10 522 Siskiyou S side of Sugar Creek. 1616 Comment
  RSA211451  Mimulus moschatus William J. Ferlatte 1966-8-3 282 Siskiyou Josephine Lake basin. 1921 Comment
  RSA237574  Mimulus moschatus var. moniliformis Frederick W. Oettinger 1967-8-20 289 Siskiyou Just below spring at Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 2049 Comment
  UC164053  Mimulus nanus var. nanus Geo. D. Butler 1909-7-15 928 Siskiyou Highland Mine Comment
  SFV8682  Mimulus nanus var. nanus J. M. Tucker 1963-7-7 3724 Siskiyou Marble Mountain Wilderness area. In vicinity of Paradise Lake at base of Kings Castle on the east side. Open, rocky, east facing slope. 1982 Comment
  RSA101711  Mimulus primuloides C. Hart Merriam 1898-09 s.n. Siskiyou Wagon Camp. Comment
  RSA102726  Mimulus primuloides var. linearifolius G. Ledyard Stebbins, P. Dansereau, Calvin McMillan, K. Narayan 1949-8-9 4023 Siskiyou Along Park's Creek, above Stewart Springs, 10 miles W. of Weed. 1220 Comment
  RSA45338  Mimulus primuloides var. linearifolius Dorothy Parker 1946-8-18 s.n. Siskiyou Rail Creek. 122 Comment
  CAS-BOT-BC388885  Minuartia douglasii John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53439 Siskiyou Slope 7 miles east of Callahan on road to Gazelle 1173 Comment
  RSA120887  Minuartia douglasii Milo S. Baker 1957-6-16 13165 Siskiyou Trip to Scott Mt. after turn off near Callahan. Comment
  CAS-BOT-BC94415  Minuartia nuttallii R. C. Wenk 2005-7-15 228 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass, right side of path, 2133 Comment
  UC1586849  Minuartia nuttallii subsp. gregaria Juha Pykala and D. H. Norris 1987-6-26 2004 Siskiyou n Sulphur Springs (between Doolittle Creek and Stanza Creek, e tributaries of Eel Creek); Klamath National Forest 1400 Comment
  POM68863  Mirabilis greenei Geo. D. Butler 1910-5-11 1334 Siskiyou Shasta Valley Comment
  HSC61890  Mitella pentandra Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC86553  Mitella pentandra D. K. Imper Jul 1987 Siskiyou Marble Mtn. Wilderness Area, Haypress Meadow, 8 mi. E of Somes Bar 1372 Comment
  JEPS82467  Mitella pentandra Gilbert Muth 1966-7-8 375 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  UC1334020  Mitella pentandra Dorothy Parker 1949-7-10 333 Siskiyou Paradise Lake Siskiyou Mountains, Samon Mt. (along edges) 1981 Comment
  CAS-BOT-BC433079  Mitella trifida Ella Dales Cantelow 1936-5-20 1415 Siskiyou Cow Creek. Turned here on Salmon Mt. Comment
  RSA184754  Mitella trifida Gilbert Muth 1966-7-17 400 Siskiyou Trail to lookout. Marble Mtns. 1799 Comment
  SEINET12219614  Mitella trifida H. P. Chandler 1901-1 1555 a Siskiyou near Marble Mountain 1829 Comment
  UCR93379  Monardella Kathy Harper, Dane Karr 1994-6-15 s.n. Siskiyou Vicinity of Bartle, c. 0.25 mi. south of McIntosh Vista on road between Calif. Hwy 89 and Pioneer Hill Road 1341 Comment
  CHSC4557  Monardella odoratissima J. E. Bowlin 1967-7-18 73 Siskiyou Off roadside, ca. 3.4 mi w of Mount Shasta Ski Bowl. 2164 Comment
  UC2035945  Monardella odoratissima subsp. glauca Lester Rowntree 1937-7-25 Siskiyou Caribou Lakes Comment
  UC2037103  Monardella odoratissima subsp. glauca Elmer I. Applegate 1935-8-3 10012 Siskiyou North base of Caldwell Butte; Lava Beds National Monument Comment
  CHSC67840  Monardella odoratissima subsp. pallida James D. Jokerst 1992-7-30 3412 Siskiyou Top of divide between Trinity River, N of road [no additional location data; W of interstate 5? V. Oswald]. Comment
  CHSC67842  Monardella odoratissima subsp. pallida James D. Jokerst 1992-7-30 3431 Siskiyou Camp above Tamarack Flat, NW of Mt. Eddy. Comment
  CDA40925  Monardella odoratissima subsp. pallida Jim Jokerst 1992-7-3 3431 Siskiyou Camp above Tamarack Flat, northwest of Mount Eddy. 0 Comment
  RSA183663  Monardella odoratissima subsp. pallida Gilbert Muth 1965-8-3 154 Siskiyou Dry hillside in Marble Valley, Marble Mtns. Comment
  CAS-BOT-BC26176  Monardella ovata H. E. Brown 1897-6-1 381 Siskiyou near Sisson 1082 Comment
  SEINET10582376  Monardella siskiyouensis A. Graff 1993-7-24 Graff 352 Siskiyou Klamath National Forest. Hwy. 96, .45-2.8 miles east from junction with Hwy. 263, on right roadside. Infrequent on bare serpentine. End of bloom. Comment
  CAS-BOT-BC444795  Montia dichotoma Roxana S. Ferris; Laura Lorraine 1948-6-12 11845 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle 1499 Comment
  CAS-BOT-BC444814  Montia diffusa Alice Eastwood; John Thomas Howell 1937-6-26 5057 Siskiyou Near Fork of Salmon Comment
  CAS-BOT-BC445112  Montia linearis W. R. Dudley 1893-6-19 s.n. Siskiyou Sisson's Meadows, near Mt. Shasta Comment
  HSC60815  Montia linearis Ruby Van Deventer 1959-7-8 Siskiyou Bell Echo Camp in Youngs Valley Comment
  CAS-BOT-BC7353  Montia obtusata Amos Arthur Heller 1905-6-1 7945 Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  UCD101769  Montia parvifolia J. M. Tucker; L. K. Mann 1963-7-4 3696 Siskiyou vicinity of U.S. Forest Service Public Camp, just east of Finley Camp, road from Etna to Sawyer's Bar. Comment
  CAS-BOT-BC262677  Muhlenbergia asperifolia Louis C. Wheeler 1934-10-21 3342 Siskiyou Shasta Valley 8 miles NE Gazelle 868 Comment
  RSA239106  Muhlenbergia filiformis Frederick W. Oettinger 1968-8-22 596 Siskiyou Ridge between Diamond Lake and English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  UC53720  Muhlenbergia filiformis unknown Aug 1894 Siskiyou Shasta Comment
  UC618639  Muhlenbergia filiformis W. Bridge Cooke 1938-7-15 11211 Siskiyou above Bear Springs; Mount Shasta Comment
  UCD86973  Muhlenbergia richardsonis R. Tofsrud 1950-7-1 s.n. Siskiyou Hwy. 97, between Cougar and Macdoel. Comment
  CHSC88118  Myosurus minimus Jenny Marr 1993-7-1 128 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS32025  Nama densa W. B. and V. G. Cooke 1963-7-10 34266 Siskiyou in Bolam logging Road , Bolam logging Road (n side Mt. Shasta) 1828 Comment
  HSC96869  Narthecium californicum Gordon Leppig, J. Cromwell 1997-7-25 582 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  HSC60809  Navarretia capillaris Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley. 1220 Comment
  RSA601498  Navarretia capillaris L. C. Wheeler 1935-7-26 3699 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  POM75064  Navarretia divaricata Geo D. Butler 104 Siskiyou West Fork of Wooley Creek 1677 Comment
  UC163990  Navarretia intertexta Geo. D. Butler 1908-7-5 107 Siskiyou near Yreka Comment
  UCSC000576  Nemophila parviflora I. J. Condit 2011-7-3 s.n. Siskiyou Shasta Retreat, Bank of Sacramento River Comment
  CAS-BOT-BC230561  Nemophila parviflora var. austiniae Geo. D. Butler 1910-4-24 1231 Siskiyou Quartz Valley Comment
  HSC99332  Nepeta cataria C. B. Wolf 1927-8-26 1046 Siskiyou Along Klamath River, 4 mi. N of Gottville Comment
  HSC67574  Nicotiana acuminata var. multiflora J. P. Smith, Steve Selva 1970-7-17 4430 Siskiyou Along Klamath River Comment
  HSC21266  Nicotiana attenuata R. C. Wunner 1965-8-17 438 Siskiyou California Lava Beds National Monument; near N Prefab, Indian Well 1433 Comment
  HSC60774  Noccaea fendleri subsp. glauca Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC92177  Nothocalais alpestris Jennifer Whipple 1977-7-22 2056 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  RSA237490  Nothocalais alpestris Frederick W. Oettinger 1968-8-17 563 Siskiyou Crapo Ridge trail crossover at Gap; Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC349922  Nothocalais troximoides Roxana S. Ferris; Laura Lorraine 1948-6-12 11847 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle 1499 Comment
  UC609364  Nothochelone nemorosa Eleanor Burks Hart 1938-8-21 891 Siskiyou Upper Wright Lake 2225 Comment
  HSC29269  Nothochelone nemorosa Frederick W. Oettinger 1968-8-5 408 Siskiyou High Lake Basins: N of English Pk., leading down to Upper English Lake 1951 Comment
  RSA15589  Oenothera villosa subsp. strigosa Carl B. Wolf 1927-8-27 1132 Siskiyou On the Klamath River. 7 miles below Happy Camp. Comment
  RSA201753  Olsynium douglasii Sandra Holloway 1963-4-9 18 Siskiyou Road to Pythian Cave, between Yreka and Grenada, west of U.S. Highway 99 762 Comment
  UC1733725  Olsynium douglasii var. douglasii Kay H. Beach, Frank Gould 1940-5-15 628 Siskiyou Bull Meadows Comment
  RSA273347  Olsynium douglasii var. douglasii J. P. Smith 1974-5-26 7566 Siskiyou Along Forest Service Road 47N03 1524 Comment
  CAS-BOT-BC56841  Opuntia fragilis Carl B. Wolf 1941-7-26 11074 Siskiyou Field redacted by CAS, contact the data manager for more information 883 Comment
  HSC96420  Oreostemma alpigenum Gordon Leppig, J. Kalt 1996-7-9 369 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  CAS-BOT-BC355598  Oreostemma alpigenum var. andersonii David D. Keck 1949-7-20 6362 Siskiyou Meadow at Scott Mountain Summit, at Trinity County line 1633 Comment
  CAS-BOT-BC355601  Oreostemma alpigenum var. andersonii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. Comment
  JEPS123404  Oreostemma alpigenum var. andersonii Julie Kierstead Nelson with Don Lepley, Rhonda Posey 2015-8-13 2015 -123 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. Comment
  HSC23585  Orobanche uniflora J. O. Sawyer 1970-6-17 2207 Siskiyou Dry slopes N of Sugar Lake 1799 Comment
  HSC91959  Orobanche uniflora Jennifer Whipple 1976-6-23 1111 Siskiyou Mt. Eddy: E and S-facing slopes draining into the N Fork of the Sacramento River 2256 Comment
  RSA0059264  Orobanche uniflora subsp. occidentalis Albert M. Vollmer, Lawrence Beane 1951-5-31 12 A Siskiyou On scree near highway, Scott Mountain. Comment
  HSC61864  Orogenia fusiformis Ruby Van Deventer Jun 1961 Siskiyou Poker Flat 1585 Comment
  UC637089  Orthilia secunda Edward Lee 1934-8-13 1087 Siskiyou waterhead of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest 1463 Comment
  UCSB17684  Orthocarpus cuspidatus subsp. copelandii Hardham, Clare 1961-7-1 Siskiyou Siskiyou Mtns. Comment
  SEINET10483819  Osmaronia cerasiformis David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-3 Dunn 20648 Siskiyou Vicinity of the campground on the salmon river, 8.3 miles w of cecilville. Yellow pine forest with douglas fir. Area with mostly metamorphic rocks. Area Very rocky and gravelly. Comment
  UC61183  Osmorhiza berteroi W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  HSC76759  Osmorhiza occidentalis K. T. Stillman 1976-7-14 238 Siskiyou Marble Mtn. Wilderness Area Comment
  UC1400369  Osmorhiza occidentalis Frederick W. Oettinger 1968-8-15 521 Siskiyou Hancock Lake Salmon Mountains, Marble Mountain Wilderness Area (e bank, trail side, high lake basins in vicinity of English Peak, w Siskiyou Co.) 1935 Comment
  UCD127764  Osmorhiza purpurea J. M. Tucker; L. K. Mann 1963-7-5 3700 Siskiyou On Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1615 Comment
  HSC76953  Oxyria digyna K. T. Stillman 1976-7-15 256 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  UC1299453  Packera cana Freed W. Hoffman 1950-7-13 3559 Siskiyou Clear Creek trail from Baldy Lookout Comment
  CAS-BOT-BC28834  Paeonia brownii George Dexter Butler 1910-4-23 1229 Siskiyou Quartz Valley Comment
  CHSC71898  Panicum capillare Vernon H. Oswald; Lowell Ahart 1998-9-8 9606 Siskiyou Julia Glover Flat on USFS 3 ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir. 1112 Comment
  CAS-BOT-BC253766  Panicum capillare Beecher Crampton 1956-8-21 3853 Siskiyou 1.5 miles SW of Mount Shasta City Comment
  RSA150581  Papaver rhoeas Lee W. Lenz 1961-6-21 24356 Siskiyou Just north of Gazelle along highway 915 Comment
  HSC34268  Parnassia fimbriata J. P. Smith, J. O. Sawyer 1973-8-14 7314 Siskiyou Around Cliff Lake 1860 Comment
  RSA238305  Parnassia fimbriata Frederick W. Oettinger 1968-9-4 699 Siskiyou Shore line of Abbotts Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  CAS-BOT-BC202840  Paxistima myrsinites A. A. Heller 1916-8-24 12563 Siskiyou Near Sisson 1077 Comment
  CAS-BOT-BC202846  Paxistima myrsinites Dorothy Parker 1950-6-4 446 Siskiyou Salmon Mt. 1920 Comment
  CAS-BOT-BC202865  Paxistima myrsinites Wm. Bridge Cooke 1938-6-17 11046 Siskiyou Mount Shasta. Sisson Southern Trail 1432 Comment
  JEPS9620  Paxistima myrsinites Geo. D. Butler 1908-8-5 20 Siskiyou Woolly Creek Comment
  RSA237270  Paxistima myrsinites Frederick W. Oettinger 1969-8-1 1137 Siskiyou Between English Lake and Wire Grass Meadow. English Lake Basin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC61045  Paxistima myrsinites W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Mt. Shasta, Sisson Comment
  UC635621  Paxistima myrsinites H. L. Mason 1929-5-18 5329 Siskiyou hills along Shasta Creek Canyon Shasta Creek Canyon Comment
  UCSB25456  Paxistima myrsinites McMinn, Howard 1931-6-27 Siskiyou Shasta City Comment
  CHSC96707  Pectiantia pentandra Gordon Leppig; Jennifer Kalt 1996-7-9 356 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen. Subalpine fen in cirque west of Little Duck Lake. NAD 27 UTM Zone 10, 503813E, 4572466N. 2200 Comment
  HSC63988  Pectocarya pusilla J. P. Smith 1973-5-5 6557 Siskiyou Scott Bar along the Scott River Comment
  HSC91018  Pedicularis attollens Jennifer Whipple 1977-7-21 2014 Siskiyou Near Durney Lake 2073 Comment
  RSA68859  Pedicularis aurantiaca A. E. Culbertson 1943-6-29 97 Siskiyou Castle Lake, 5434', in a north facing cirque with and abrupt 1000' backwall; 14 miles SW of Mt Shasta on N side of a 6600' eastern spur of Trinity Mts; 2000' above Sacramento R. within 10 airmiles of its headwaters to the west. Comment
  CAS-BOT-BC266639  Pedicularis bracteosa Doris K. Kildale 1928-8-19 6507 Siskiyou English Lake, head of N fork of Salmon River 1828 Comment
  CAS-BOT-BC266648  Pedicularis bracteosa var. flavida K. T. Stillman 1976-7-23 306 Siskiyou Marble Mountain Wilderness Area 2011 Comment
  HSC62292  Pedicularis racemosa Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  UC164360  Pedicularis racemosa Geo. D. Butler 1908-8-3 99 Siskiyou Shackleford Creek Comment
  HSC63262  Pedicularis racemosa M. A. Baker 1979-7-31 1087 Siskiyou Marble Mtn. Wilderness, Tickner Hole 2080 Comment
  POM43427  Pedicularis racemosa Geo. D. Butler 1910-7-7 1650 Siskiyou Shackleford Creek. 1220 Comment
  CAS-BOT-BC67689  Pellaea brachyptera Geo. D. Butler 1908-7-20 248 Siskiyou Humbug Mountain Comment
  IRVC4790  Pellaea brachyptera William B. Cooke 1941-9-5 16275 Siskiyou MacBride Springs Mt. Shasta Comment
  RSA605525  Pellaea brachyptera L. C. Wheeler 1959-7-26 7609 Siskiyou Marble Mountain, near summit of Ukonom Mountain 1402 Comment
  UC1013123  Pellaea brachyptera A. R. Kruckeberg 1951-9-3 2002 Siskiyou just w of town of Mt Shasta (across river, dirt rd above Joe Spini Ranch, between Wagon Creek and Deer Creek Bridges) Comment
  CAS-BOT-BC67680  Pellaea brachyptera Marion Ownbey; D. H. Brown 1941-6-22 2424 Siskiyou Ridge, west of Craggy Mountain, northwest of Yreka. Comment
  CAS-BOT-BC67671  Pellaea breweri John Thomas Howell 1939-8-2 14874 Siskiyou Marble Mts. - Spirit Lake Comment
  JEPS81805  Penstemon Todd Keeler-Wolf 1982-8-15 682 Siskiyou .5 km sw Terrace Lake; sw of Terrace Lake 2042 Comment
  JEPS23801  Penstemon anguineus Rimo Bacigalupi with Mr. and Mrs. Van Deventer and Don Liles 1959-7-9 7259 Siskiyou Poker Flat 1536 Comment
  UC164351  Penstemon anguineus Geo. D. Butler 1908-7-20 935 Siskiyou Highland Mine Comment
  UC164354  Penstemon anguineus Geo. D. Butler 1910-7-12 1761 Siskiyou Shackleford Creek 1219 Comment
  RSA607424  Penstemon azureus Louis C. Wheeler 1935-6-9 3565 Siskiyou Yreka Creek. Siskiyou Mtns. 1220 Comment
  NY571152  Penstemon azureus var. azureus R. Van Deventer 1938-7-31 296 Siskiyou Twin Valley Ridge 1280.2 Comment
  NY591453  Penstemon davidsonii var. davidsonii L. C. Wheeler 1934-8-5 3044 Siskiyou Siskiyou Mountains, Condrey Mountain. 2164.1 Comment
  HSC65576  Penstemon deustus R. White 1977-7-7 110 Siskiyou Devil's Punchbowl, NE shore 1433 Comment
  CHSC110954  Penstemon deustus var. pedicellatus B. Castro; L. P. Janeway 2007-7-29 1669 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
  CHSC110959  Penstemon deustus var. pedicellatus B. Castro; L. P. Janeway 2007-7-28 1664 Siskiyou Modoc Plateau. Upper part of Callahan Flow, along old RR bed (USFS Road 44N53) 0.4 mi north of Cinder Butte. 1731 Comment
  UC1280833  Penstemon deustus var. pedicellatus H. E. McMinn 1931-6-27 2522 Siskiyou Mt. Shasta City Comment
  NY609828  Penstemon deustus var. suffrutescens F. W. Pennell 1940-7-17 26168 Siskiyou West of Etna 1280.2 Comment
  NY600753  Penstemon gracilentus A. A. Heller 1920-8-12 13514 Siskiyou Horse Camp, Mt. Shasta Comment
  OBI9277  Penstemon gracilentus Carl B. Wolf 1937-8-8 9083 Siskiyou SW side of Mt. Shasta, along John S. Everett Memorial hwy 2134 Comment
  RSA739774  Penstemon gracilentus L. P. Janeway, B. Castro 2007-7-28 9129 Siskiyou High Cascade Range, Medicine Lake Highlands, just N of the N edge of Medicine Lake Glass Flow. 2109 Comment
  UC454776  Penstemon gracilentus I. J. Condit 1911-7-22 Siskiyou trail to Horse Camp Mt. Shasta, trail to Horse Camp 2438 Comment
  RSA309615  Penstemon gracilentus Walter Wisura 1983-9-16 3936 Siskiyou 4.7 mi W of western boundary of Lava Beds Nat'l Mon., along road to Tennant. Comment
  RSA519225  Penstemon gracilentus Karl Vincent, Charlotte A. Labbe 1987-8-12 4512 Siskiyou Cascade Range, Butte Mtn. Along Butte Mtn Rd, ca 3.6 miles W of jct Meiss Lake Rd, located 7.2 mi W of jct US 97 on S side of Macdoel. 1829 Comment
  SEINET12271087  Penstemon gracilentus M. Ownbey, Meyer, F. G. 1940-1 2195 Siskiyou near timber line on E side of Mt. Shasta Comment
  UC618805  Penstemon heterodoxus var. shastensis W. Bridge Cooke 1938-7-15 11212 Siskiyou above Bear Springs (Mount Shasta); , above Bear Springs Comment
  JEPS8387  Penstemon laetus var. sagittatus Rimo Bacigalupi with L. R. Heckard, George Bacigalupi Jr., and Ruth D. Sanderson 1952-6-18 3741 Siskiyou on forest road to Mt. Hebron 17 mi e Montague (along Little Shasta River, near Panther Creek Guard Station); along Little Shasta River, rd to Mt. Hebron, e of Montague 1280 Comment
  SEINET11262160  Penstemon laetus var. sagittatus Noel H. Holmgren, Patricia K. Holmgren 1980-7-1 9448 Siskiyou U.S. Highway 97, 8.7 km (5.4 mi) northeast of Weed.; 0 1100 Comment
  UCD124305  Penstemon newberryi Dean William Taylor 1972-7-3 s.n. Siskiyou near Little Duck Lake. Comment
  HSC19162  Penstemon parvulus J. O. Sawyer 1969-7-25 1540 Siskiyou SW facing upper slope above Sugar Lake 2210 Comment
  HSC60466  Penstemon parvulus Carl Wishner 1978-7-19 550 Siskiyou Sandy Ridge trail 11W21 above Monument Lake, Marble Mtn. Wilderness 1829 Comment
  HSC69145  Penstemon parvulus Maralyn A. Renner 1980-8-8 2472 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  JEPS6891  Penstemon parvulus A. A. Heller 1916-7-22 12485 Siskiyou e side Mt. Eddy Comment
  POM256008  Penstemon parvulus Marion Ownbey, Ruth P. Ownbey 1938-7-19 1749 Siskiyou 2.5 miles northwest of Dry Lake Lookout, summit of the Siskiyou Mtns. Comment
  SFV17486  Penstemon parvulus P. Wilson 1998-7-23 3544 dup. Siskiyou Marble Mountain Wilderness. At junction of Bear Lake Trail and Pacific Crest Trail. 2000 Comment
  UC609350  Penstemon parvulus Eleanor Burks Hart 1938-8-15 914 Siskiyou n side of Upper Wright Lake Upper Wright Lake 2225 Comment
  HSC61155  Penstemon procerus var. brachyanthus Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  CHSC86679  Penstemon roezlii Jenny Marr 1993-7-1 65 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC585127  Penstemon roezlii E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1912 Siskiyou about 7 mi sw Yreka (s of highway from Yreka to Fort Jones); Forest House Mt. 1371 Comment
  NY650118  Penstemon roezlii F. W. Pennell 1940-7-16 26162 Siskiyou 5 miles southwest of Yreka 914.4 Comment
  POM42982  Penstemon roezlii Geo. D. Butler 1910-6-19 1579 Siskiyou Goosenest foothills. 1524 Comment
  RSA44887  Penstemon roezlii J. C. Roos 1948-9-2 3947 Siskiyou 6 miles SW of Yreka. Comment
  RSA401861  Penstemon rydbergii var. oreocharis E. Yale Dawson 1948-7-16 5099 Siskiyou Grass Lake; Margins of Grass Lake, a drying, vernal lake north of Mount Shasta 1524 Comment
  RSA120922  Penstemon shastensis Wagnon 1957-8-11 1687 Siskiyou East slope of Mt Shasta on rd to Brewer Crk, 3 mi W of Military Pass Rd. Comment
  UC54622  Penstemon speciosus H. M. Hall and E. B. Babcock June, 1903 4071 Siskiyou near Sisson (Mount Shasta); Sierra Nevada Mountains, Mt. Shasta 1066 Comment
  HSC97691  Penstemon spectabilis Thomas W. Nelson, Jane Nelson 2006-7-1 9448 Siskiyou Along USFS Rd. 4319, Military Pass Rd., The Whaleback 1392 Comment
  SEINET3860793  Perideridia leptocarpa L. Constance, T. I. Chuang; et al. 1966-6-15 3768 Siskiyou Above Trinity River 5 mi NW of Cecilville.; 0 762 Comment
  POM133152  Perideridia parishii subsp. latifolia E. B. Copeland 1903-8-19 3826 Siskiyou Foot of Mt. Eddy 1250 Comment
  UC1400335  Perideridia parishii subsp. latifolia Frederick W. Oettinger 1969-8-19 1459 Siskiyou slope of se aspect due s area bet. David Mountain and Abbots Lake Basin (and on old Tanners Peak Trail, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1905 Comment
  CAS-BOT-BC423354  Peritoma platycarpa A. A. Heller 1905-6-9 8010 Siskiyou Montague Comment
  CAS-BOT-BC423355  Peritoma platycarpa L. E. Smith 1912-8-1 s.n. Siskiyou Pitt River, Montague Comment
  HSC17494  Persicaria amphibia R. C. Wunner 1965-8-24 478 Siskiyou Lava Beds NM, Capt. Jacks Stronghold Entrance 1220 Comment
  HSC43050  Persicaria lapathifolia K. T. Stillman 1976-8-24 441 Siskiyou Along the Klamath River at Williams Point 366 Comment
  CAS-BOT-BC419260  Persicaria maculosa Louis C. Wheeler 1934-9-20 3286 Siskiyou Klamath National Forest. Lumgrey Creek 670 Comment
  CAS-BOT-BC330262  Petasites frigidus var. palmatus Alice Eastwood 1912-8-30 1953 Siskiyou Mount Eddy Comment
  UC1442839  Phacelia cookei W. B. and V. G. Cooke 1968-7-1 39233 Siskiyou Andesite Rd near Jct. with U.S. 97 (n base of mt.); Mt. Shasta 1524 Comment
  CHSC70020  Phacelia corymbosa Jennifer Whipple 1977-7-22 2035 Siskiyou Klamath Mountains, Mount Eddy. Dobkins Lake drainage on east facing slopes above Dobkins Lake. 2316 Comment
  HSC30735  Phacelia corymbosa Glenn McGourty 1974-5-25 68 Siskiyou On Rd. 8, 0.9 mi. from jct. with Hwy. 3 976 Comment
  UC923134  Phacelia corymbosa Freed W. Hoffman 1950-7-13 3335 Siskiyou Baldy Mountain Lookout North Coast Ranges (w Siskiyou Co.) 1737 Comment
  RSA0003820  Phacelia corymbosa W. L. Jepson 1914-8-14 6161 Siskiyou Dunsmuir. 671 Comment
  RSA78825  Phacelia corymbosa P. A. Munz 1952-7-2 17903 Siskiyou Baldy Mountain, six air line miles west of Happy Camp, Siskiyou Mountains. 1738 Comment
  HSC43870  Phacelia greenei Jennifer Whipple 1976-5-2 908 Siskiyou 915 Comment
  RSA94034  Phacelia greenei R. C. Barneby 1954-5-16 11530 Siskiyou 6 miles SW of Yreka 976 Comment
  UC54516  Phacelia hastata H. M. Hall and E. B. Babcock June, 1903 4111 Siskiyou Ash Creek Sierra Nevada Mountains, Mount Shasta 1524 Comment
  UC618687  Phacelia hastata subsp. compacta John Thomas Howell 1938-8-21 11551 Siskiyou Horse Camp Flats Mount Shasta, vicinity of Horse Camp Basin Comment
  RSA184736  Phacelia hastata subsp. hastata Gilbert Muth 1966-7-22 439 Siskiyou Marble Rim, Marble Mountains. 2195 Comment
  RSA582232  Phacelia heterophylla var. virgata Louis C. Wheeler 1935-6-9 3567 .5 Siskiyou Yreka Creek. Siskiyou Mtns. (Mt Diablo Mer.) 1220 Comment
  CAS-BOT-BC145046  Phacelia leonis Lincoln Constance; Rimo Bacigalupi; Lawrence R. Heckard 1960-7-20 3691 Siskiyou Twin Valley, ca. 5 miles southwest of Poker Flat, Siskiyou Mountains 1554 Comment
  JEPS105461  Phacelia linearis Dean W. Taylor 1995-6-4 14969 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. 10 miles North of Weed) 1158 Comment
  UCSC003070  Phacelia magellanica f. jepsonii Peter Kamb 1948-6-26 1135 Siskiyou Southwest slope of Mt. Shasta above Horse Camp above Horse Camp - Mt. Shasta 671 Comment
  JEPS74473  Phacelia mutabilis W. J. Ferlatte 1966-6-23 146 Siskiyou Big Flat Trinity Alps (wooded area near public camp) 1524 Comment
  UC1426027  Phacelia mutabilis Frederick W. Oettinger 1968-8-16 546 Siskiyou on mountain due n Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area, High Lake 1981 Comment
  HSC19148  Phacelia mutabilis J. O. Sawyer 1969-7-1 966 Siskiyou NE facing lower slope above Paynes Lake Creek 1829 Comment
  RSA238758  Phacelia mutabilis Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1208 Siskiyou Trail through Willow Springs between Abbotts Upper Cabin and English Lake. The High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1677 Comment
  CDA21304  Phacelia pringlei Bill Ogden 2007-6-6 BO 1 -2007 Siskiyou Northern California; Bridge Rd, Weed. 0 Comment
  RSA249719  Phacelia pringlei Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mts., Shasta-Trinity National Forest: ca. 15 air mi. SW of Weed near Kangaroo Lake Campground. Comment
  RSA755540  Phacelia pringlei Barbara Ertter, Julie Kierstead, Jim Nelson 1990-7-15 9371 Siskiyou ca 1 mile east of Toad Lake at head of Middle Fork Sacramento River, ca. 8 air miles west of Mount Shasta City. 1982 Comment
  CAS-BOT-BC141449  Phacelia ramosissima var. eremophila Elmer I. Applegate 1935-6-5 9300 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  CAS-BOT-BC159144  Phacelia ramosissima var. ramosissima Alice Eastwood; John Thomas Howell 1940-6-14 8267 Siskiyou Lava Beds Nat. Mon. near Schonchin Butte Comment
  HSC103014  Phalaris arundinacea J. P. Smith 2014-6-6 13871 Siskiyou Along State Route 96 at the Wingate River Access to the Klamath River 307 Comment
  CAS-BOT-BC77407  Philadelphus lewisii H. P. Olmo 1933-6-8 s.n. Siskiyou Somes Bar, Klamath River Comment
  CHSC75734  Philadelphus lewisii Vernon H. Oswald; Lowell Ahart 1999-7-5 9799 Siskiyou Gazelle-Callahan Hwy, 9.0 mi west of Gazelle. 914 Comment
  CHSC91624  Philadelphus lewisii G. F. Hrusa 2001-6-6 15855 Siskiyou Siskiyou Mountains. Along Hwy 96 at Scott R. Bridge. Cuts above river. UTM: 10T, 4625883 N, 0496656 E. 426 Comment
  JEPS49605  Philadelphus lewisii Geo. D. Butler 1908-7-7 405 Siskiyou near Yreka (along creek); Butler's Ranch Comment
  LA206242  Philadelphus lewisii Louis C. Wheeler; 1934-7-16 2910 Siskiyou Siskiyou Mountains, Oak Knoll Ranger Station, Klamath River 670 Comment
  UC1212570  Philadelphus lewisii Francia Chisaki and Helen Sharsmith 1959-8-20 4745 Siskiyou between Forks of Salmon and Somes Bar (several mi from Forks of Salmon); Inner North Coast Ranges, Salmon River 304 Comment
  UC69386  Philadelphus lewisii T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC922623  Philadelphus lewisii Annie M. Alexander and Louise Kellogg 1948-9-9 5613 Siskiyou on trail to Taylor Lake Siskiyou Mountains Comment
  CAS-BOT-BC250787  Phleum alpinum W. R. Dudley 1899-8-24 s.n. Siskiyou Meadow (Lunch Creek), Craggy Peak Comment
  SEINET10657448  Phleum alpinum A. Arthur Heller 1922-7-15 Heller 13710 Siskiyou Damp meadow at Medicine Lake in the Canadian zone 2134 Comment
  SEINET10954464  Phleum alpinum H. E. Brown 1897-6-11 Brown 445 Siskiyou north side Mt. Shasta 1524 Comment
  HSC29270  Phlox adsurgens Frederick W. Oettinger 1967-7-26 208 Siskiyou Marble Mtn. Wilderness Area, 1/8 mi. NE of Tobacco Lake 1890 Comment
  SJSU6499  Phlox adsurgens R. W. Trivelpiece 1972-6-24 130 Siskiyou Thompson Ridge 5 mi E of Indian Cr Fork of Klamath R c. 11 mi N of Happy Camp 1280 Comment
  HSC17163  Phlox diffusa Marion Ownbey, Ruth Ownbey 1938-7-20 1762 Siskiyou Near Dry Lake Lookout, summit of Siskiyou Mts. Comment
  HSC65283  Phlox diffusa Rich White 1978-7-6 248 Siskiyou Pond above Elk Hole 1524 Comment
  HSC99790  Phlox diffusa G. L. Clifton, Griswold 1979-6-28 6110 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  JEPS69942  Phlox diffusa W. L. Jepson 1940-6-27 20046 Siskiyou above head of Brewer Creek (e slope of Mt. Shasta); Mt. Shasta 2133 Comment
  UC1733804  Phlox diffusa Kay H. Beach, Frank Gould 1940-5-15 765 Siskiyou Bull Meadows. Comment
  UC1409302  Phlox diffusa Frederick W. Oettinger 1968-8-19 586 Siskiyou English Peak Gap Salmon Mountains, Marble Mountain Wilderness Area 2133 Comment
  CAS-BOT-BC60684  Phoenicaulis cheiranthoides Marion Ownbey; Ruth P. Ownbey 1938-7-19 1752 Siskiyou Summit of the Siskiyou Mountains, 2.5 miles northwest of Dry Lake Lookout. Comment
  JEPS84106  Phoenicaulis cheiranthoides L. R. Heckard with J. Hickman et al. 1986-7-17 6545 Siskiyou 1 mi ne of Buckhorn 2100 Comment
  CAS-BOT-BC56485  Phyllodoce empetriformis Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  LA41245  Phyllodoce empetriformis Lincoln Ellison; 1928-9-13 501 Siskiyou Mount Shasta, W side, by spring 2499 Comment
  RSA105410  Phyllodoce empetriformis G. D. Barbe 1955-7-26 286 Siskiyou Among dry rocks at a small pond on the N slope of Scott Mtn. 1982 Comment
  CAS-BOT-BC60770  Physaria occidentalis John Thomas Howell 1939-8-8 15170 Siskiyou Marble Mountains. Black Mountain. Comment
  CAS-BOT-BC60779  Physaria occidentalis C. L. Hitchcock; J. S. Martin 1939-7-9 5305 Siskiyou North side of Black Mountain, near Marble Mountain (King's Castle). 2072 Comment
  HSC18743  Physocarpus capitatus C. B. Wolf 1927-8-26 1072 Siskiyou On the Klamath River near Hamburg. Comment
  RSA537377  Physocarpus capitatus Walter Wisura, J. Romero 1991-10-17 4596 Siskiyou 1.5 mi up Sugar Creek Rd, N of Callahan. Comment
  UC61680  Physocarpus capitatus Geo. B. Grant September 1902 5182 Siskiyou Dunsmuir; Mt Shasta 609 Comment
  CAS-BOT-BC78166  Picea breweriana W. R. Dudley 1899-7-5 s.n. Siskiyou North slope of Siskiyou near Bartlett trail Comment
  HSC4817  Picea breweriana J. O. Sawyer 1968-6-25 309 Siskiyou NE of N Horse Range Lake 2012 Comment
  RSA384261  Picea breweriana M. B. Dunkle 9200 Siskiyou Klamath Nat l Forest, Marble Mountains, Sierra Nevada. Comment
  UC813169  Picea breweriana John Thomas Howell 1937-7-24 13413 Siskiyou Caribou Basin Salmon-Trinity Alps, Caribou Basin 1981 Comment
  UCD134303  Picea breweriana Gordon Leppig; T. LaBanca 1998-7-11 921 Siskiyou Klamath National Forest, Duck Lakes Trail. 1158 Comment
  JEPS35941  Picea breweriana John Allen 1964-9-1 Siskiyou ca due w Orleans (on ridge between Creek and Elk Valley, road starts up from Orleans, and finally one takes the Dillon Mountain road) 1219 Comment
  SEINET10530614  Picea breweriana D. V. Hemphill 1968-10-27 Hemphill UMO 107773 Siskiyou Chimney Rock Lake, Klamath National Forest. Forks of Salmon Quadrangle. 1890 Comment
  UC813170  Picea breweriana John Thomas Howell Siskiyou Caribou Basin Comment
  CAS-BOT-BC73436  Picea engelmannii Dorothy Parker 1962-6-1 s.n. Siskiyou Siskiyou Mountains - Sugar Creek, Salmon Mountains 1219 Comment
  UC665721  Picea engelmannii L. E. Berriman 1940-8-30 Siskiyou Sugar Creek (tributary of Scott River) North Coast Ranges, Mount Diablo Meridian, Sugar Creek 1432 Comment
  UCD134307  Picea engelmannii L. E. Berriman 1940-8-30 s.n. Siskiyou North Coast Ranges. Sugar Creek, a tributary of the Scott River. 1432 Comment
  JEPS80563  Pinus albicaulis Gilbert Muth 1965-8-6 177 Siskiyou backside of Black Mountain; Marble Mt. Wilderness Area, Black Mountain 2133 Comment
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Nov 1 2018
  RSA233709  Pinus albicaulis Robert F. Thorne, Fred Oettinger 1969-8-10 39012 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta. 2439 Comment
  RSA237340  Pinus albicaulis Frederick W. Oettinger 1966-8-27 51 Siskiyou South side of East Boulder Lake in the Scott Mountains, Salmon-Trinity Alps Wilderness. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  CAS-BOT-BC73395  Pinus albicaulis Dr. C. E. Wilson 1930-7-9 s.n. Siskiyou Marble Mt. Comment
  CAS-BOT-BC78322  Pinus attenuata M. P. Anderson 1902-2-16 s.n. Siskiyou Seiad Valley, Post Office, forks of Seiad Creek Comment
  JEPS46916  Pinus attenuata W. L. Jepson 1907-7-11 2889 Siskiyou upper crossing to Quartz Valley; S Fork Smith River Comment
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Nov 12 2011
  CAS-BOT-BC78407  Pinus balfouriana W. R. Dudley 1899-8-26 s.n. Siskiyou Eddy Mt. Comment
  HSC70593  Pinus balfouriana J. O. Sawyer, R. York 1981-8-21 224 Siskiyou Open ridges from Pacific Crest Trail to peak, Bulk Collection # 224 2324 Comment
  SBBG25361  Pinus balfouriana J. M. Tucker, L. Mann, S. L. Holloway 1963-8-18 3769 Siskiyou SW ridge of Black Marble Wilderness Area 2133 Comment
  HSC92117  Pinus jeffreyi Jennifer Whipple 1976-9-4 1795 Siskiyou Dobkins lake drainage on E facing slopes above Dobkins lake 2256 Comment
  JEPS120218  Pinus jeffreyi Julie Kierstead Nelson with Keli McElroy 2012-8-10 2012 -074 Siskiyou NW side of Gumboot Lake Comment
  CAS-BOT-BC73091  Pinus lambertiana Peter H. Raven 1956-9-5 10465 Siskiyou North Fork of the Sacramento River 1584 Comment
  HSC69371  Pinus monticola J. O. Sawyer, J. Cole 1980-7-19 3673 Siskiyou N and W of Little Mt. Hoffman 1982 Comment
  HSC69521  Pinus monticola Maralyn A. Renner 1980-6-26 1287 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  JEPS104989  Plagiobothrys hispidulus Dean W. Taylor 1996-7-27 15861 Siskiyou Grass Lake (about 15 air miles NE of Weed); Klamath National Forest; Modoc Plateau region 1524 Comment
  UC1170106  Plagiobothrys hispidus W. Bridge Cooke 1956-7-16 30295 Siskiyou above Hotlum Station n side Mount Shasta; n side Mount Shasta 1524 Comment
  RSA12578  Plagiobothrys hispidus C. B. Wolf 1934-7-6 6008 Siskiyou 5.4 miles from Mt. Shasta City on Wagon Camp Rd, SW slope of Mt. Shasta 1220 Comment
  UC164106  Plagiobothrys nothofulvus Geo. D. Butler 1910-4-10 1164 Siskiyou near Yreka Comment
  CHSC93543  Plagiobothrys tenellus Lowell Ahart; John Dittes 2005-6-10 12089 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  RSA59809  Plagiobothrys tenellus E. K. Balls 1950-5-17 14721 Siskiyou New Lava Flow, along road from Schonchin Butte to Capt. Jack s Stronghold, Lava Beds Nat l Monument. 1463 Comment
  NY278426  Plantago shastensis E. L. Greene 1876-6-26 851 Siskiyou Collected near Yreka Comment
  CHSC26184  Platanthera leucostachys J. P. Kroessing 1977-8-5 58 Siskiyou Panther Meadow, Mt Shasta n end of Everitt Memorial Hwy, ca 6 km s of Mt Shasta Peak. 2135 Comment
  JEPS80567  Platanthera leucostachys Gilbert Muth 1965-8-4 168 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  JEPS83874  Platanthera leucostachys Wayne Roderick 1977-7-1 Siskiyou spring area trail to Lily Pad Lake; Siskiyou Mts., vicinity Cook and Green Pass 1706 Comment
  RSA126343  Platanthera leucostachys I. L. Wiggins 1955-7-21 13439 Siskiyou Rush Creek Trail 2 mi. above Mt. View Ranch. 1098 Comment
  RSA237636  Platanthera leucostachys Frederick W. Oettinger 1968-8-7 442 Siskiyou SW of Tabacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA68929  Platanthera leucostachys A. E. Culbertson 1943-7-12 29 Siskiyou Castle Lake, in a north facing cirque with a abrupt 1000 backwall; 14 miles SW of Mt. Shasta on N side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  HSC22469  Platanthera sparsiflora J. O. Sawyer 1969-7-11 1312 Siskiyou E facing slope above S Sugar Creek. 2012 Comment
  HSC4862  Platanthera sparsiflora J. O. Sawyer 1968-6-25 323 Siskiyou Along Horse Range Creek 1829 Comment
  HSC97400  Platanthera sparsiflora J. D. Ackerman, A. M. Montalvo 1974-8-17 423 Siskiyou W slope of Preston Peak, ca. .5 mi. N of Rattlesnake Meadow 1646 Comment
  RSA597980  Platanthera stricta Louis C. Wheeler 1963-8-29 8304 Siskiyou Siskiyou Mountains. Head of west fork Clear Creek. 1432 Comment
  HSC68317  Plectritis congesta J. P. Smith 1973-5-5 6519 Siskiyou Scott Bar along the Scott River Comment
  RSA256703  Plectritis macrocera J. P. Smith 1974-5-25 7470 Siskiyou Along road 8, 4.7 mi. west of its junction with State Route 3. 1159 Comment
  CAS-BOT-BC261035  Poa Melissa A. Berry 1957-7-8 s.n. Siskiyou South Russian Creek at Power House 822 Comment
  RSA31172  Poa A. A. Heller 1905-6-19 8070 Siskiyou Grenada Station, Along railroad Comment
  CAS-BOT-BC254616  Poa X limosa David D. Keck 1949-7-19 6343 Siskiyou 2 miles S of Grenada, long RR right-of-way 777 Comment
  RSA239045  Poa annua Frederick W. Oettinger 1969-8-24 1529 Siskiyou English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  CAS-BOT-BC255000  Poa bulbosa Dorothy Parker 1949-4-19 75 Siskiyou McConachie Gulch, Scott Valley 883 Comment
  JEPS72963  Poa compressa W. L. Jepson 1940-7-3 20104 Siskiyou 5 mi se Bartle (Big Bear Flat) 1219 Comment
  JEPS105022  Poa cusickii subsp. epilis Dean W. Taylor 1996-7-26 15838 B Siskiyou Scott Mountains; Crater Lake, in cirque above upper lake (about 10 air mi W of Weed; Klamath National Forest; Klamath region 2316 Comment
  SEINET10509470 Image available Poa howellii var. chandleri Harley P. Chandler Chandler 1703 Siskiyou Ridges and meadows near Marble Mountain. 1524 Comment
  CAS-BOT-BC247010  Poa nervosa Douglas Barbe 1955-8-1 331 Siskiyou Summit, Mt. Bolivar, Scott Mts. 2468 Comment
  UCD91799  Poa palustris W. Bill Jarvis 1963-8-1 s.n. Siskiyou near Macdoel. Ladino Clover Pasture. Comment
  CHSC86460  Poa pratensis subsp. pratensis Jenny Marr 1993-7-1 77 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  UCD83705  Poa rhizomata Jesse Miller 2009-6-16 s. n. Siskiyou near Gottville. Vegetation plot for Susan Harrison project. Plot # KLGV-N. 810 Comment
  SEINET10869056  Poa rhizomata George D. Butler 1910-4-21 Butler 1205 Siskiyou Comment
  CHSC93550  Poa secunda subsp. juncifolia Lowell Ahart; John Dittes 2005-6-9 12006 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  CAS-BOT-BC243229  Poa secunda subsp. secunda L. E. Smith 1915-6-1 s.n. Siskiyou Yreka Comment
  CDA18409  Poa secunda subsp. secunda G. D. Barbe, T. C. Fuller & J. T. Howell 1980-4-29 2618 Siskiyou Klamath Ranges; north edge of Fort Jones beside Hwy 3; ; 0.1 mi N of Hamilton St., Ft. Jones. 822 Comment
  HSC26127  Poa secunda subsp. secunda J. P. Smith, Steve Selva 1970-6-16 3996 Siskiyou 5 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1189 Comment
  HSC69703  Poa secunda subsp. secunda Maralyn A. Renner 1980-6-26 1263 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  UC1265394  Poa secunda subsp. secunda Frederick W. Oettinger 1969-8-3 1148 Siskiyou ridge above Horse's Hole Pond (near Horse Range Lake); Salmon Mts, High Lake Basins, Harvey Monroe Hall Natural Are 1981 Comment
  UC1265444  Poa secunda subsp. secunda Frederick W. Oettinger 1969-8-6 1223 Siskiyou s side Pine Lake; Salmon Mts, High Lake Basins, Harvey Monroe Hall Natural Are 1950 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
  HSC30674  Poa wheeleri Frederick W. Oettinger 1969-8-25 1545 Siskiyou Along Tanner Peak Trail, 400 yards. down from English Peak Trail. 2012 Comment
  CAS-BOT-BC244322  Podagrostis humilis Beecher Crampton 1956-8-21 3860 Siskiyou Panther Meadow, S slope of Mount Shasta 2316 Comment
  UC648289  Polemonium californicum John Thomas Howell 1939-8-9 15220 Siskiyou ridge s Marble Valley (Marble Mts.); , s of Marble Valley Comment
  SEINET4557454  Polemonium californicum Ira L. Wiggins 1955-1 13574 Siskiyou Between Caribou Lake and Pass to Thompson Creek. 1957 Comment
  CAS-BOT-BC231347  Polemonium pulcherrimum G. J. Muth 1969-8-6 1190 Siskiyou Boulder Peak Comment
  HSC19296  Polemonium pulcherrimum J. O. Sawyer 1969-7-9 1241 Siskiyou W facing slope above Bingham Lake 2317 Comment
  LA206594  Polemonium pulcherrimum L. Ellison; 1928-11-12 503 Siskiyou Mt Shasta Comment
  UC1025129  Polemonium pulcherrimum subsp. pulcherrimum Douglas Barbe 1955-8-1 325 Siskiyou summit of Mt. Bolivar Klamath Mountains, Scott Mtns, summit Mt. Bolivar (Scott Mtns., Klamath Mountains) 2468 Comment
  CAS-BOT-BC170337  Polygala cornuta var. cornuta G. B. Grant 1902-9-6 1024 Siskiyou Sisson, N. Cal. 1127 Comment
  JEPS24616  Polygala cornuta var. cornuta Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6769 Siskiyou along SP (Shasta Route) railway grade upper Sacramento River Canyon (in the 1 1/2 mi stretch between Shasta Retreat (at northern outskirts of Dunsmuir) to Mossbrae Falls and Shasta Springs) 731 Comment
  POM86388  Polygala cornuta var. cornuta Edward Palmer 1892-7-12 2471 Siskiyou Mt. Shasta and vicinity Comment
  RSA184724  Polygonum bistortoides Gilbert Muth 1966-8-1 481 Siskiyou Marble Valley Horse Pasture, Marble Mountains 1793 Comment
  JEPS74541  Polygonum davisiae W. J. Ferlatte 1966-7-6 186 Siskiyou Caribou Mtn. Trinity Alps 2468 Comment
  CAS-BOT-BC414586  Polygonum douglasii Wm. Bridge Cooke 1938-7-29 11422 Siskiyou Mount Shasta. Wagon Camp. Along Wagon Camp Creek Comment
  JEPS50558  Polygonum douglasii W. L. Jepson 1937-7-23 18456 Siskiyou near Klamath River Bridge (n of Yreka) Comment
  UC164243  Polygonum douglasii subsp. douglasii Geo. D. Butler 1910-7-7 1787 Siskiyou Shackleford Creek 914 Comment
  UC1112877  Polygonum douglasii subsp. spergulariiforme Barbe 1957-7-13 379 Siskiyou Big Flat Public Camp Klamath National Forest (w side, w slope along path to spring) 1524 Comment
  CAS-BOT-BC418595  Polygonum minimum John Thomas Howell 1939-8-2 14862 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC93007  Polygonum minimum Jennifer Whipple 1977-8-6 2230 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC418594  Polygonum minimum Louis C. Wheeler 1934-8-22 3207 Siskiyou Dead Cow Creek, Siskiyou Mts. 1828 Comment
  SEINET10904455  Polygonum newberryi Mary Susan Taylor 1980-8-19 Taylor 3269 Siskiyou T43N R2E se sec 23, Medicine Lake quad. Shasta-Trinity Natl Forest, in pumice, on Paint Pot Crater. With J. Prouty & E. Heinz. 1920 Comment
  CDA22836  Polygonum phytolaccifolium T. C. Fuller 1958-6-18 1795 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  RSA237974  Polygonum shastense Frederick W. Oettinger 1968-8-22 597 Siskiyou Rock crevices, slope between English Peak and Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  SDSU9667  Polygonum shastense D. F. Howe 1962-8-6 3409 Siskiyou Mt. Shasta, Shasta National Forest. 2438 Comment
  UCSB27393  Polygonum shastense Wilken, Dieter 1969-7-26 Siskiyou Summit of Mt. Shasta Ski Bowl Road, south slope of Mt. Shasta 2895 Comment
  HSC27015  Polygonum spergulariiforme J. P. Smith, J. O. Sawyer 1972-9-12 5766 Siskiyou Scott Mountain; 1/2 mile east of Scott Mountain Rd. (S.R. 3) 1646 Comment
  SBBG25881  Polygonum spergulariiforme D. Myrick 1966-8-8 1489 Siskiyou rd to Carter Ranch, Mountain Meadow Ranch, Big Flat 1584 Comment
  HSC77491  Polygonum spergulariiforme L. P. Janeway 1983-7-7 389 Siskiyou Just NW behind West Branch Guard Sta. 701 Comment
  UCD100666  Polygonum spergulariiforme Ferdinand Brown 1936-7-13 s.n. Siskiyou Dunsmuis. Comment
  SEINET193229 Image available Polypodium glycyrrhiza Lincoln Constance, Reed C. Rollins 1942-5-13 2908 Siskiyou Klamath River 4 miles east of Seiad 457 Comment
  HSC10837  Polypogon monspeliensis C. B. Wolf 1927-8-26 Siskiyou Klamath River, 14 mi. above Happy Camp Comment
  HSC79148  Polystichum imbricans C. J. Thomas 1983-10-1 99 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 Comment
  POM215873  Polystichum imbricans L. C. Wheeler 1935-4-16 3421 Siskiyou Soap Creek, Siskiyou Mountains. (Mt Diablo Mer.) 1585 Comment
  UC1299762  Polystichum lemmonii Freed W. Hoffman 1951-7-16 4045 Siskiyou Packers' Valley North Coast Ranges, Marble Mts., Packers' Valley Comment
  UC2026484  Polystichum lemmonii Louis C. Wheeler 1958-8-20 7411 Siskiyou Siskiyou Mountains. Red Butte, southeast side. Comment
  POM210966  Polystichum lemmonii L. C. Wheeler 1934-8-13 3114 Siskiyou East Fork Horse Creek. About rocks, bare north slope 1982 Comment
  RSA123580  Polystichum lemmonii G. D. Barbe 1955-7-9 147 Siskiyou Among rocks beside a stream on SW shore of Kangaroo Lake, Scott Mts. 1829 Comment
  CAS-BOT-BC482446  Polystichum lonchitis Dana York 2011-8-13 3055 Siskiyou Marble Mountain Wilderness, Klamath National Forest, NE-facing slope of Marble Mountain 2045 Comment
  CAS-BOT-BC72401  Polystichum lonchitis Louis C. Wheeler 1934-8-10 3100 Siskiyou Dead Cow Creek, Siskiyou Mts. 1889 Comment
  RSA237998  Populus tremuloides Frederick W. Oettinger 1968-8-17 558 Siskiyou N of Pine Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  CAS-BOT-BC102961  Populus trichocarpa Grant 1902-9-1 5230 Siskiyou Sisson 1127 Comment
  HSC2240  Populus trichocarpa Geo. D. Butler 1910-4-16 1177 Siskiyou Yreka Creek Comment
  UC164391  Populus trichocarpa Geo. D. Butler 1910-4-16 1177 Siskiyou Yreka Creek Comment
  SBBG126112  Potamogeton berchtoldii L. Ahart, J. Dittes 2010-7-30 16963 Siskiyou swift deep water of the Shasta River, ca. 30 yards NW of E Louie Rd Bridge, Shasta Big Springs Ranch, 1.6 mi (air) SW of Big Springs Lake, 4.6 mi (air) NW of Dwinnel Dam, 5.7 mi (air) SE of Grenada 716 Comment
  SEINET10836817  Potamogeton filiformis var. alpinus Katherine L. Morris 1973-6-2 Morris 345 Siskiyou Found at the junction of Shasta and Klamath Rivers on Hwy 263. Comment
  CDA26069  Potentilla anserina subsp. anserina Vernon H. Oswald & Lowell Ahart 1998-6-11 9212 Siskiyou Old State Highway, 0.5 mile west of Bray, ca 10 air miles east of Grass Lake located on Highway 97, ca. 23 air miles northeast of Weed. Comment
  CAS-BOT-BC143180  Potentilla breweri Harley P. Chandler 1901-6-1 1697 Siskiyou Near Marble Mountain 1524 Comment
  SD231135  Potentilla breweri James R. Shevock, B. Williams. 1987-8-18 11804 Siskiyou Klamath Ranges. Sisson trail above Kangaroo Lake, Klamath Mountains. 2012 Comment
  UC221751  Potentilla breweri H. E. Brown Jun 15 1897-Jun 30 1897 472 Siskiyou n side Mt. Shasta 1524 Comment
  UC1607535  Potentilla drummondii subsp. breweri Barbara Ertter with Julie Kierstead and Jim Nelson 1990-7-15 9365 Siskiyou Ca 1 mi E of Toad Lake at head of Middle Fork Sacramento River ca 8 air miles W of Mt Shasta City. 1981 Comment
  HSC18931  Potentilla flabellifolia J. O. Sawyer 1969-8-4 1820 Siskiyou Above Sugar Lake 2134 Comment
  UC648278  Potentilla flabellifolia John Thomas Howell 1939-8-10 15269 Siskiyou Sky High Valley Marble Mts., Sky High Valley 1828 Comment
  HSC18934  Potentilla flabellifolia J. O. Sawyer 1969-7-25 1537 Siskiyou NE facing upper slope above Sugar Lake 2104 Comment
  POM88259  Potentilla glandulosa subsp. ashlandica Geo. D. Butler 1908-8-5 348 Siskiyou West Fork of Wooley Creek. 1677 Comment
  UCR37851  Potentilla glandulosa subsp. nevadensis K. T. Stillman 1976-6-26 123 Siskiyou Marble Mountain Wilderness Area, near Bear Lake 1829 Comment
  UC420577  Potentilla gracilis var. fastigiata W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson , Sisson (Mount Shasta) Comment
  CAS-BOT-BC540550  Potentilla gracilis var. fastigiata Wm. Bridge Cooke 1939-7-7 13591 Siskiyou Bear Springs, Mount Shasta 1524 Comment
  UC1409377  Potentilla gracilis var. fastigiata Frederick W. Oettinger 1969-7-31 1118 Siskiyou along trail midway between English Lake and drift fence (High Lake Basins in the vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area, W Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  UC1733684  Potentilla millefolia Kay H. Beach, Frank Gould 1940-5-16 644 Siskiyou about 24 mi N of Weed (on the road to Klamath Falls) Comment
  UC195253  Potentilla millefolia Annie M. Alexander and Louise Kellogg 1911-6-4 110 Siskiyou Mayten Comment
  JEPS93984  Potentilla newberryi Vernon H. Oswald 1998-6-27 9241 Siskiyou ca. 22 air mi. n.e. Weed (Dry Lake on s. side of Tennant Rd. ca. 9 air mi. e. of Grass lake) 1402 Comment
  CAS-BOT-BC516382  Prosartes hookeri Geo. D. Butler 1908-8-24 93 Siskiyou Eldridges Corral, Russian Creek Comment
  RSA105423  Prunella vulgaris var. lanceolata G. D. Barbe 1955-6-29 40 Siskiyou 1.8 miles E of Callahan, S bank of Scott River 976 Comment
  RSA183721  Prunella vulgaris var. lanceolata Gilbert Muth 1965-8-16 222 Siskiyou Marble Valley, Marble Mts. Comment
  CAS-BOT-BC158204  Prunus emarginata D. E. Breedlove 1962-6-11 3368 Siskiyou Along State Hwy. 89, 8.0 miles east of McCloud; Cascade Mts. 1127 Comment
  CAS-BOT-BC158219  Prunus emarginata Laura M. Lathrop 1903-7-16 s.n. Siskiyou Shasta Retreat Comment
  HSC58847  Prunus emarginata Marvin Butler 1971-7-7 45 Siskiyou Near El Capitan, close to the town of Cave Junction 1464 Comment
  UC144434  Prunus emarginata A. A. Heller 1905-6-16 8045 Siskiyou Sisson Comment
  UC527335  Prunus emarginata C. B. Wolf 1931-9-1 2388 Siskiyou 1/4 mi n of Entrance to Shasta Springs 914 Comment
  HSC19575  Prunus subcordata J. F. Knezevich 1967-6-3 180 Siskiyou W of McCloud to Signal Butte Comment
  CAS-BOT-BC151235  Prunus virginiana var. demissa Cyril Gammon 1951-8-14 130 Siskiyou Happy Camp Comment
  HSC29359  Prunus virginiana var. demissa Frederick W. Oettinger 1968-9-5 702 Siskiyou Marble Mtn. Wilderness Area, SE slope above English Lake 1890 Comment
  HSC27788  Pseudognaphalium thermale J. P. Smith, J. O. Sawyer 1972-9-13 5785 Siskiyou 0.5 mi. W of Cook and Green Pass on road to Lily Pad Lake Comment
  SEINET8233950  Pseudoroegneria spicata Unknown 2007-6-17 Siskiyou California Siskiyou County, Cottonwood Peak. 1516 Comment
  UC143958  Pseudoroegneria spicata subsp. spicata Dr. E. B. Copeland 1903-7-4 3542 Siskiyou Klamathon; Pacific Coast, Klamathon Comment
  HSC81762  Pseudostellaria jamesiana Thomas W. Nelson, Jane P. Nelson 1980-7-20 6169 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  UC165936  Pseudostellaria jamesiana Geo. D. Butler 1909-6-13 966 Siskiyou Moffitt Creek Comment
  JEPS47273  Pseudotrillium rivale Milo S. Baker 1923-8-14 243 b Siskiyou Siskiyou Nat'l Forest, Smith R. Division, Camp 6 Comment
  CAS-BOT-BC80097  Pseudotsuga menziesii G. B. Grant 1902-9-10 s.n. Siskiyou Sisson 1127 Comment
  RSA639072  Pseudotsuga menziesii L. C. Wheeler 1958-8-18 7397 Siskiyou West Fork Seiad Creek. Comment
  JEPS89383  Psilocarphus brevissimus Dean Wm. Taylor with Rexford E. Palmer 1988-6-23 9863 Siskiyou 4 mi n of Timbered Crater (1 mi se of Adobe Flat, Modoc Plateau); Modoc Plateau 1097 Comment
  RSA690876  Pteridium aquilinum var. pubescens M. B. Dunkle 1944-7-26 9049 Siskiyou Siskiyou Mountains, Deer Creek Comment
  CAS-BOT-BC460552  Pterospora andromedea Gilbert Muth 1966-7-29 464 Siskiyou Marble Valley, by waterfall, Marble Mts. 1828 Comment
  UC1251647  Pteryxia terebinthina var. californica T. Call and V. Call 1964-6-22 2280 Siskiyou below lava flows northwest of Mt Shasta 1066 Comment
  SEINET9342725  Purshia tridentata Unknown 2009-5-31 Siskiyou High elevation, semi-arid desert ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  HSC67754  Purshia tridentata var. tridentata J. O. Sawyer, J. Cole 1980-7-21 3862 Siskiyou N of FS Rd. 44N01 near intersection with road to Lava Camp. 1677 Comment
  LA208179  Purshia tridentata var. tridentata Victor Duran; 1916-6-23 Siskiyou near Black Butte N of Sisson 1127 Comment
  UC164302  Purshia tridentata var. tridentata Geo. D. Butler 1909-5-1 686 Siskiyou near Yreka Creek (Shasta River); Shasta River Comment
  UC860303  Purshia tridentata var. tridentata A. A. Heller 1916-6-23 12439 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  POM62291  Pycnanthemum californicum E. B. Copeland 1903-8-12 3837 Siskiyou Sisson. Comment
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Jan 23 2011
  HSC27719  Pyrola aphylla Carl W. Mize 1972-6-8 20 Siskiyou Along the main trail 351 Comment
  CAS-BOT-BC460858  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
  UC412676  Pyrola asarifolia Annie M. Alexander and Louise Kellogg 1911-8-23 342 Siskiyou Castle S. Siskiyou County 1656 Comment
  SEINET8218484  Pyrola dentata Fred W. Hoffman 1948-7-8 2601 Siskiyou north of West Branch Camp; Waldo-Happy Camp Road. Comment
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May 8 2018
  UC138183  Pyrrocoma carthamoides var. cusickii J. W. Congdon 1900-8-18 Siskiyou Castle Lake Trail, Shasta Region Comment
  HSC2327  Pyrrocoma racemosa Geo. D. Butler 1910-8-21 1843 Siskiyou Shasta Valley Comment
  CAS-BOT-BC362389  Pyrrocoma racemosa var. racemosa A. A. Heller 1917-9-7 12980 Siskiyou Shasta Valley five miles south of Gazelle 914 Comment
  CAS-BOT-BC45745  Quercus Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou West side of Gumboot Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC68604  Quercus chrysolepis Dr. A. Kellogg; W. G. W. Harford 1868-9 915 Siskiyou Ukiah Comment
  CAS-BOT-BC68648  Quercus chrysolepis Louis C. Wheeler 1934-9-4 3242 Siskiyou Klamath National Forest, Bear Creek 1371 Comment
  HSC19227  Quercus chrysolepis J. O. Sawyer 1968-9-28 751 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  SEINET4077684  Quercus chrysolepis Unknown No date 1090 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC94651  Quercus garryana Copeland 1903-7-14 3522 Siskiyou Klamathon Comment
  JEPS37936  Quercus garryana W. L. Jepson 1907-7-22 2950 Siskiyou near Hamburg (w Siskiyou County); Klamath River Comment
  HSC29142  Quercus garryana var. breweri Frederick W. Oettinger 1968-9-1 632 Siskiyou Marble Mtn. Wilderness Area, E side of Abbott's Lake 1723 Comment
  HSC74869  Quercus garryana var. breweri J. P. Smith, Jennifer Whipple 1978-7-2 9989 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  CDA15399  Quercus garryana var. garryana G. F. Hrusa 1997-9-18 14108 Siskiyou Summit of Pass between Callahan & Gazelle, W of Mountain House. Comment
  UCD46096  Quercus garryana var. garryana J. M. Tucker 1947-5-17 1553 Siskiyou 7 miles southwest of Gazelle, Siskiyou County, California. Comment
  CAS-BOT-BC104354  Quercus sadleriana Doris K. Kildale 1929-8-23 8804 Siskiyou Youngs valley, on trail to Preston Peak Comment
  HSC31513  Quercus sadleriana Steve Selva, Roger Jensen 1974-8-22 36 Siskiyou Trail from Doe Flat campground to Buck Lake Comment
  RSA237357  Quercus sadleriana Frederick W. Oettinger 1967-8-26 335 Siskiyou 1/2 mile below Abbotts Upper Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UCD47240  Quercus sadleriana T. Wilton 1980-9-10 126 Siskiyou Kelly Oak, Preston Peak Quad. Collected from roadside (USFS 18N34, Klamath National Forest), app. 20 feet from trail to Kelly Lake. (Received through the courtesy of Chris Cagle Oct. 16, 1980 B. Kasapligil). 1316 Comment
  OBI14234  Quercus sadleriana R. Rimo Bacigalupi 1935-10-20 Siskiyou Summit of Indian Cyn rd, above Happy Camp on road to Walker, Oregon 457 Comment
  CAS-BOT-BC104618  Quercus vacciniifolia Doris K. Kildale 1929-8-24 9079 Siskiyou Rattlesnake meadow, near Preston Peak 1524 Comment
  CAS-BOT-BC104624  Quercus vacciniifolia A. A. Heller 1914-8-28 11728 Siskiyou East side of Mt. Eddy 1676 Comment
  UC455271  Quercus vacciniifolia I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 2133 Comment
  UCD37090  Quercus vacciniifolia Beecher Crampton 1956-8-21 3847 Siskiyou Siskiyou County, canyon of Sacramento River, just above junction of river's north fork with middle and south forks. 1066 Comment
  SEINET11805954  Raillardella pringlei C. G. Pringle 1882-1 s.n. Siskiyou head of Sacramento River Comment
  SBBG2234  Ranunculus alismifolius H. and M. Dearing 1939-6-5 3554 Siskiyou E of McCloud 1066 Comment
  CAS-BOT-BC380413  Ranunculus alismifolius var. hartwegii Alice Eastwood 1921-7-28 10927 Siskiyou Medicine Lake Comment
  JEPS60658  Ranunculus aquatilis var. capillaceus Geo. D. Butler 1908-10-16 545 Siskiyou creek below L. Eastlick Ranch; Oro Fino Comment
  JEPS55058  Ranunculus aquatilis var. capillaceus W. L. Jepson 1894-1 Siskiyou Edgewood to Sissons (near Stage road) Comment
  JEPS55174  Ranunculus californicus W. L. Jepson 1907-7-4 2814 Siskiyou Shackelford Canyon Comment
  RSA715780  Ranunculus cymbalaria var. saximontanus L. Ahart, John Dittes 2005-6-9 12040 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  HSC64659  Ranunculus eschscholtzii J. O. Sawyer 1977-7-6 3025 Siskiyou S of Little Duck Lake 2134 Comment
  RSA183667  Ranunculus eschscholtzii var. suksdorfii Gilbert Muth 1965-8-6 183 Siskiyou Marble Mountains; backside of Black Mountain Comment
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May 28 2009
  HSC78194  Ranunculus gormanii L. P. Janeway 1983-7-3 375 Siskiyou Poker Flat 1524 Comment
  UC165304  Ranunculus occidentalis Geo. D. Butler 1909-3-20 568 Siskiyou near Scott River Comment
  POM99442  Ranunculus orthorhynchus Geo. D. Butler 1910-4-21 1214 Siskiyou Oro Fino Comment
  UC796608  Ranunculus parviflorus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11746 Siskiyou French Creek Logging Road w Callahan 1066 Comment
  HSC62283  Ranunculus populago Stansell 1968-8-12 Siskiyou Youngs Valley 1524 Comment
  RSA7780  Rhamnus californica Carl B. Wolf 1927-8-27 1153 Siskiyou On the Klamath River at the mouth of Dillon Creek Comment
  POM136617  Rhamnus rubra E. B. Copeland 1903-9-6 3863 Siskiyou Mt. Eddy. Comment
  UC1121928  Rhamnus rubra H. S. Yates 1936-6-21 5829 Siskiyou n base Wintoon Butte; Dunsmuir Quad. 1219 Comment
  RSA700048  Rhododendron californicum Leo Miller 1938-07 s.n. Siskiyou Siskiyou, Mountains. 915 Comment
  HSC22283  Rhododendron columbianum J. O. Sawyer 1968-7-22 534 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC91309  Rhododendron columbianum Jennifer Whipple 1977-8-4 2160 Siskiyou Wagon Creek drainage near Wagon Creek 2226 Comment
  RSA697558  Rhododendron macrophyllum Leo Miller 1938-07 s.n. Siskiyou Siskiyou, Mountains. 915 Comment
  JEPS95667  Rhododendron occidentale Vernon H. Oswald and L. Ahart 1999-7-5 9825 Siskiyou Summit of Hwy. 3 on Scott Mtn. southeast of Callahan: T39N R7W Sect. 5, 5400 ft, mixed coniferous forest, serpentine substrate 1645 Comment
  CAS-BOT-BC200400  Rhododendron occidentale var. paludosum Doris K. Kildale 1929-7-21 8741 Siskiyou Elk Lick, south fork Indian Creek Comment
  CAS-BOT-BC200746  Rhus aromatica C. H. M. 1919-9-24 s.n. Siskiyou Ager Comment
  UC163756  Rhus trilobata Geo. D. Butler 1908-7-4 1033 Siskiyou near mouth Shasta River Comment
  CAS-BOT-BC438008  Ribes W. R. Dudley 1893-6-26 s.n. Siskiyou Lava slopes on Mt. Shasta Comment
  SEINET3151601  Ribes aureum G. D. Butler 1910-4-19 1203 Siskiyou Yreka Creek Comment
  UC166113  Ribes aureum Geo. D. Butler 1910-6-12 1559 Siskiyou Yreka Creek Comment
  SEINET5343327  Ribes aureum G. Butler 1910-4-19 1203 Siskiyou Yreka Creek Comment
  CAS-BOT-BC92534  Ribes binominatum John Thomas Howell 1937-7-22 13285 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  HSC76993  Ribes binominatum K. T. Stillman 1976-6-25 70 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  HSC99335  Ribes binominatum G. L. Clifton 1979-7-1 6193 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  HSC69495  Ribes cereum J. O. Sawyer, J. Cole 1980-7-19 3687 Siskiyou Near FS Rd. 45N05, center of section 1890 Comment
  JEPS43483 Image available Ribes cereum W. L. Jepson 1940-6-27 20036 Siskiyou e slope Mt. Shasta (along the Military Road) 1828 Comment
  JEPS43487  Ribes cereum W. L. Jepson 1940-6-23 20019 Siskiyou near n base Mt. Shasta (Andesite siding on S. P. Railway) 1402 Comment
  NY185916  Ribes glanduliferum A. A. Heller 1905-6-9 8005 Siskiyou Yreka Comment
  HSC19373  Ribes lacustre J. O. Sawyer 1968-6-25 292 Siskiyou NE of N Horse Range Lake 2012 Comment
  HSC19429  Ribes lacustre J. O. Sawyer 1968-7-23 577 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  HSC36870  Ribes lobbii J. P. Smith 1974-5-26 7549 Siskiyou Along FS Rd. 47N03 1524 Comment
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Feb 26 2013
  UC165265  Ribes lobbii Geo. D. Butler 1910-5-30 1442 Siskiyou Humbug Creek Comment
  CAS-BOT-BC212488  Ribes marshallii Geo. D. Butler 1910-7-8 1682 Siskiyou Shackleford Creek 1219 Comment
  JEPS25641  Ribes marshallii Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7280 Siskiyou Poker Flat 1536 Comment
  SEINET5339459  Ribes marshallii G. Butler 1910-7-8 1682 Siskiyou Shackleford Creek 1219 Comment
  JEPS128460  Ribes montigenum Julie Kierstead Nelson with Martin Lenz 2015-6-18 2015 -061 Siskiyou Headwaters of West Fork Parks Creek, 2 miles NNE of China Mountain; 7 miles W of town of Weed. Comment
  SEINET10482942  Ribes nevadaense Mary Susan Taylor 1980-6-23 Taylor 2946 Siskiyou T39N R6W se sec 25 Dunsmuir quad. Shasta-Trinity Natl Forest; bog around Cedar Lake, ca. 11 mi SW of Mt Shasta City; peaty soils over gabbro. 1737 Comment
  CAS-BOT-BC217876  Ribes nevadense Ira L. Wiggins 1950-5-28 12372 Siskiyou On side of ridge above Grouse Creek, about 1.5 miles from Carmen Lake 1584 Comment
  CAS-BOT-BC219267  Ribes nevadense A. A. Heller 1905-6-5 7967 Siskiyou Near Shasta Springs Comment
  CAS-BOT-BC219274  Ribes nevadense A. A. Heller 1905-6-5 7967 Siskiyou Near Shasta Springs Comment
  CHSC1660  Ribes nevadense M. Yoder 1941-6-28 Siskiyou Castle Lake. Comment
  CHSC35296  Ribes nevadense M. S. Taylor 1980-6-23 2946 Siskiyou Bog around Cedar Lake, ca. 11 mi sw of Mt Shasta City. 1737 Comment
  UC73099  Ribes nevadense Milo S. Baker 1898-1 Siskiyou Bear Mts. Siskiyou Mts. Comment
  RSA0023150  Ribes nevadense John Dourley, Walter Wisura 1982-10-17 3884 Siskiyou Mill Creek Ridge, ca. 18 mi N of Happy Camp, along old road up Indian Creek. 1524 Comment
  JEPS82695  Ribes roezlii Wayne Roderick 1984-6-5 Siskiyou ca. 12 air km sw Mt. Shasta city; Castle Lake 1828 Comment
  CAS-BOT-BC199980  Ribes roezlii var. cruentum John H. Thomas 1954-5-14 4185 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville 1219 Comment
  CAS-BOT-BC199986  Ribes roezlii var. cruentum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53390 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones 1249 Comment
  CAS-BOT-BC200010  Ribes roezlii var. cruentum Doris K. Kildale 1929-8-25 9097 Siskiyou Wiskey Lake, trail to Preston Peak 1524 Comment
  CDA25572  Ribes roezlii var. cruentum T. C. Fuller 1962-8-3 9520 Siskiyou Siskiyou Mountains; Slope above Salt Gulch, Horse Creek. 0 Comment
  UC204030  Ribes roezlii var. cruentum H. E. Brown June 1-10 1897 309 Siskiyou near Sisson 1083 Comment
  CAS-BOT-BC200007  Ribes roezlii var. cruentum Doris K. Kildale 1929-7-20 8543 Siskiyou South Fork of Indian Creek near Gilmores Comment
  RSA0024594  Ribes roezlii var. cruentum Marion Ownbey, Fred G. Meyer 1940-7-6 2197 Siskiyou Near summit of Cayenne Ridge on south side, Marble Mountain. Comment
  RSA0024599  Ribes roezlii var. cruentum Geo. D. Butler 1909-4-15 645 Siskiyou Humbug Creek. Comment
  UC154063  Ribes sanguineum Harley P. Chandler June 1901 1556 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  CAS-BOT-BC173911  Ribes velutinum Alice Eastwood; John Thomas Howell 1940-6-14 8263 Siskiyou Lava Beds Nat. Mon. near Indian Wells Comment
  SEINET182273 Image available Ribes velutinum L. C. Wheeler 1935-5-4 3467 Siskiyou Siskiyou Mountains; Greenhorn Creek 853 Comment
  RSA0019715  Ribes velutinum Geo. D. Butler 1910-3-13 1128 Siskiyou Klamath Hills. Comment
  HSC65563  Ribes viscosissimum Rich White 1977-7-21 127 Siskiyou Slope below outlet of Raspberry Lake 1512 Comment
  OBI70868  Romanzoffia sitchensis Louis C. Wheerl 1963-8-31 8321 Siskiyou Siskiyou Mts. Devil's Punch Bowl 1524 Comment
  CAS-BOT-BC74371  Rorippa columbiae Dean William Taylor; Barbara Williams 1987-6-29 9096 Siskiyou White Deer Lake. 1399 Comment
  JEPS80504  Rorippa curvisiliqua Gilbert Muth 1966-7-19 423 Siskiyou Marble Mt. Wilderness Area 1798 Comment
  JEPS117460  Rorippa nasturtium-aquaticum Lowell Ahart, John Dittes 2010-7-30 16960 Siskiyou About 50 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  CAS-BOT-BC146435  Rosa bridgesii Alice Eastwood 1912-7-20 1247 a Siskiyou Sisson Comment
  CAS-BOT-BC147462  Rosa californica A. M. Vollmer; L. Beane 1951-6-2 41 Siskiyou Klamath River Highway, betw. U.S. 99 & Gottville Comment
  HSC26766  Rosa californica J. P. Smith, J. O. Sawyer 1971-9-18 4841 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  CAS-BOT-BC146763  Rosa gymnocarpa Ira L. Wiggins 1955-7-23 13476 Siskiyou Banks of China Creek 1097 Comment
  RSA237785  Rosa gymnocarpa Frederick W. Oettinger 1969-7-11 970 Siskiyou Between English Lake and Diamond Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1951 Comment
  UCR70838  Rosa nutkana L. C. Wheeler 1934-10-27 3349 Siskiyou Siskiyou Mtns., Shasta River 1 mi. below Yreka Creek 732 Comment
  UC164305  Rosa pisocarpa Geo. D. Butler 1909-9-26 973 Siskiyou along creek near Yreka Comment
  UC637139  Rosa pisocarpa Edward Lee 1934-8-15 1123 Siskiyou summit of Happy Camp to Waldo (Oregon) rd Klamath National Forest, Indian Creek watershed 1615 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
  JEPS82720  Rubus lasiococcus Wayne Roderick 1983-7-10 Siskiyou Doe Flat (next to Del Norte County) 1143 Comment
  LA208218  Rubus lasiococcus Louis C. Wheeler; 1934-8-13 3116 Siskiyou Siskiyou Mountains, Johnson Dairy 1828 Comment
  CAS-BOT-BC147989  Rubus leucodermis Alice Eastwood 1921-7-26 10861 Siskiyou Soda Creek Comment
  HSC69537  Rubus leucodermis Maralyn A. Renner 1980-8-6 2253 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  HSC78  Rubus leucodermis William J. Ferlatte 1967-7-26 761 Siskiyou NW side of Caribou Mtn., near Browns Meadow. 1829 Comment
  CAS-BOT-BC147321  Rubus parviflorus Doris K. Kildale 1929-7-20 8678 Siskiyou Raspberry Lake, near east spur Preston Peak Comment
  HSC19403  Rubus parviflorus J. O. Sawyer 1968-6-25 348 Siskiyou Along Horse Range Creek 1646 Comment
  CAS-BOT-BC157167  Rubus ursinus Wm. Bridge Cooke 1938-6-17 11048 Siskiyou Sisson Southern Trail Comment
  JEPS25872  Rudbeckia klamathensis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7445 Siskiyou just above Indian Creek Ranger Station (along Happy Camp-Takilma road) 609 Comment
  CAS-BOT-BC363210  Rudbeckia occidentalis William M. Hiesey 1947-8-23 554 Siskiyou Beaver Creek Public Camp Ground, Klamath National Forest, 5 miles north of the Klamath River (10 miles N.W. of Gottville). Along streamcourse of Beaver Creek 701 Comment
  SJSU10637  Rumex acetosella V. Hardham 1965-7-14 151 Siskiyou Dead Horse Summit c. 3 mi SE of Bartle on State Rte 89 1219 Comment
  UC1023810  Rumex acetosella Douglas Barbe 1955-6-29 41 Siskiyou 1.8 mi e Callahan (s bank of Scott River); Klamath Mountains, Scott River 975 Comment
  CAS-BOT-BC95037  Rumex acetosella R. C. Wenk 2005-7-16 255 Siskiyou Trinity Alps, S Fork of the Salmon River, S end of Big Flat Meadow 1499 Comment
  RSA237323  Rumex acetosella Frederick W. Oettinger 1967-6-29 119 Siskiyou Ride near Etna Summit on road from Etna to Sawyer Bar. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1820 Comment
  SEINET4903549  Rumex acetosella Jack Seely 1991-6-3 s.n. Siskiyou Klamath National Forest, Gordon's Ferry. Comment
  CAS-BOT-BC433709  Rumex occidentalis Geo. D. Butler 1909-6-5 971 Siskiyou Yreka Creek Comment
  UC166122  Sagina saginoides Geo. D. Butler 1908-8-7 48 Siskiyou lake at head of W. Fork Woolly Creek Comment
  UC618783  Sagina saginoides W. Bridge Cooke 1938-8-18 11474 Siskiyou Mt. Shasta, Horse Camp Springs Comment
  SD88326  Sagittaria longiloba Darley F. Howe 1972-7-8 Siskiyou Grass Lake, 21 miles north of Weed on #97. 1525 Comment
  POM106928  Salix exigua Geo. D. Butler 1910-5-20 1369 Siskiyou Near Yreka. Comment
  UC164394  Salix exigua var. hindsiana Geo. D. Butler 1908-6-25 150 Siskiyou Comment
  RSA610753  Salix laevigata Louis C. Wheeler 1935-5-11 3473 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  RSA610757  Salix laevigata Louis C. Wheeler 1935-5-11 3474 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  UC163727  Salix lasiandra subsp. lasiandra Geo. D. Butler 1910-6-1 1443 Siskiyou Yreka Creek 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
  UCD111532  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 411 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City. Above Metcalf ranch house. 1425 Comment
  CAS-BOT-BC107076  Salix lasiolepis Mrs. H. P. Bracelin 1936-5-12 845 Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  CAS-BOT-BC107080  Salix lasiolepis Mrs. H. P. Bracelin 1936-4-15 831 Siskiyou East side of Mt. Eddy; Wagon Creek above Metcalf ranch house; 8-9 miles N.W. of Mt. Shasta City 1203 Comment
  CAS-BOT-BC107086  Salix lasiolepis Mrs. H. P. Bracelin 1936-5-12 841 Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  POM107146  Salix lasiolepis Geo. D. Butler 1908-9-20 1104 Siskiyou Yreka Creek. Comment
  POM219903  Salix lasiolepis H. P. Bracelin 1931-6-21 469 Siskiyou N side of Mt Eddy. About 21 km NW of Shasta City. 1650 Comment
  UC576380  Salix lasiolepis Mrs. H. P. Bracelin 1935-9-3 853 Siskiyou 11 mi. n.w. from Mt. Shasta City (ca. 2 mi. e. of Burney Mill, n. base Mt. Eddy, flat beside creek at second bridge); n. base Mt. Eddy 1127 Comment
  POM220465  Salix lasiolepis var. bigelovii H. P. Bracelin 1931-6-20 434 Siskiyou About 10 km NW of Shasta City. E of Metcalf ranch house. 1080 Comment
  CAS-BOT-BC124533  Salix lasiolepis var. lasiolepis Doris K. Kildale 1929-4-27 7850 Siskiyou Cecilville, upper south fork of Salmon River Comment
  SBBG29052  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou ca. 21 km NW of Shasta City, 180 m below Dobkin's Lake, N side of Mount Eddy 1770 Comment
  UCD77985  Salix lemmonii Robert E. Preston 2002-6-21 1878 Siskiyou Klamath National Forest, Rainbow Mountain, S slope, N of Trout Creek 1782 Comment
  POM107047  Salix lucida subsp. lasiandra Geo. D. Butler 1910-6-1 1443 Siskiyou Yreka Creek. Comment
  POM208268  Salix lucida subsp. lasiandra Louis C. Wheeler 1934-7-5 2893 Siskiyou Hungry Creek. Siskiyou Mtns. 1372 Comment
  CAS-BOT-BC126157  Salix scouleriana L. E. Smith 1914-3-1 s.n. Siskiyou Sisson near water tank of McCloud R.R. Comment
  CAS-BOT-BC129040  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 444 Siskiyou North base of Mount Eddy, about 1 km. up from Metcalf ranch house, about 17 km. northwest of Shasta City 1170 Comment
  CAS-BOT-BC129046  Salix scouleriana W. R. Dudley 1899-8-22 s.n. Siskiyou Craggy Peak, near spring Comment
  RSA186319  Salix scouleriana Gilbert Muth 1966-10-16 1 Siskiyou Marble Mountains 1793 Comment
  SD880  Salix scouleriana Mrs. H. P. Bracelin 1931-6-19 435 Siskiyou North base of Mount Eddy, about 10 km northwest of Shasta City, east of Metcalf Ranch House 1079 Comment
  UC1173611  Salix sitchensis Joseph P. Tracy 1935-8-1 14399 Siskiyou borders of Rock Lake (on ridge between Salmon and New Rivers, at extreme head of W. Fork Knownothing Creek); W. Fork Knownothing Creek, Rock Lake 1889 Comment
  HSC4515  Salsola tragus D. M. Thomson 1965-8-6 168 Siskiyou Lava Beds National Monument, S of Crescent Butte. Comment
  RSA183737  Sambucus caerulea Gilbert Muth 1965-8-2 143 Siskiyou 1/2 mile btween gate and Lower Sky High Lakes, Marble Mountains Comment
  JEPS12732  Sambucus mexicana W. L. Jepson July, 1894 Siskiyou Sisson Comment
  CAS-BOT-BC238888  Sambucus nigra subsp. caerulea W. R. Dudley 1901-8-25 s.n. Siskiyou Salmon Creek Comment
  JEPS25630  Sanicula graveolens Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7268 Siskiyou Poker Flat 1536 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
  UC735126  Sanicula graveolens Lincoln Constance and Ren Hwa Shan 1946-5-31 3059 Siskiyou Sacramento River, at Dunsmuir Dunsmuir; Sacramento River, Dunsmuir 701 Comment
  POM77781  Sanicula graveolens Geo. D. Butler 1910-7-13 1778 Siskiyou [Unspecified] 1220 Comment
  CAS-BOT-BC466232  Sarcodes sanguinea John Van Denburg 1913-3-1 s.n. Siskiyou Callahans Comment
  RSA215597  Saxifraga aprica Gilbert Muth 1969-8-10 1323 Siskiyou Ridge W of Boulder Peak. 2287 Comment
  CHSC1679  Saxifragopsis fragarioides V. Holt 1942-8-6 Siskiyou Caribou Lake, Trinity Alps. 2438 Comment
  HSC19458  Saxifragopsis fragarioides J. O. Sawyer 1969-8-2 1714 Siskiyou Summit W of Little Duck Lake 2409 Comment
  CAS-BOT-BC283653  Schedonorus pratensis John Thomas Howell 1939-8-9 15200 Siskiyou Sky High Valley, Marble Mountains 1828 Comment
  POM211514  Scirpus congdonii L. C. Wheeler 1934-8-14 3126 Siskiyou North side White Mountain; Siskiyou Mountains. Mt. Diablo Mer. 1767 Comment
  JEPS80665  Scirpus microcarpus W. B. and V. G. Cooke 1977-9-22 54824 Siskiyou near Deter Camp (Mt. Shasta); , near Deter Camp Comment
  JEPS107421  Scirpus nevadensis Lowell Ahart, John Dittes 2005-6-9 12025 Siskiyou Meadow area along a small drainage, on the west side of a poor rock fence, about 150 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
  RSA210796  Scirpus nevadensis Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-3 39044 Siskiyou 2 miles W of Lower Klamath National Wildlife Refuge 1296 Comment
  HSC68108  Scleranthus annuus J. P. Smith 1973-5-5 6459 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  CHSC33019  Scleranthus annuus subsp. annuus James P. Smith 1973-5-5 6525 Siskiyou Scott Bar along the Scott River. Comment
  HSC100034  Sclerochloa dura J. P. Smith, & J. O. Sawyer 2010-5-6 12819 Siskiyou Camp Creek Campground. 727 Comment
  JEPS95565  Scutellaria antirrhinoides Vernon H. Oswald and L. Ahart 1994-7-11 6406 Siskiyou T39N R5W SW1/4 SE1/4 Sec. 16, 4750 ft, Yellow Pine Forest. Forest Rd. 26 (to Mt. Shasta) paralleling the South Fork of the Sacramento River, just W of Forest Rd. 40N43, 9.2 mi SW of the dam at Lake Siskiyou. In rocks at the base of a steep roadcut. 1447 Comment
  UC163835  Scutellaria antirrhinoides Geo. D. Butler 1910-7-9 1690 Siskiyou Shackleford Creek 1219 Comment
  JEPS81648  Scutellaria antirrhinoides L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2314 Siskiyou between the Sacramento and McCloud arms of Shasta Lake (near Fall Creek Inn along Gilman Road) 396 Comment
  CHSC71486  Scutellaria galericulata Vernon H. Oswald; Lowell Ahart 1998-7-21 9350 Siskiyou Northeast of Weed and south of Macdoel along Old State Highway on the west side of Bray. On the edge of the marsh. 1417 Comment
  CAS-BOT-BC214255  Scutellaria nana A. A. Heller 1905-6-22 8086 Siskiyou Igerna Comment
  UC1713628  Scutellaria nana W. Bridge Cooke 1940-7-26 15370 Siskiyou near the south bank of Diller Canyon (on the w side of Shastina); Mount Shasta, Shastina 2743 Comment
  CHSC6714  Secale cereale B. Anthony 1968-6-2 562 Siskiyou Pasture of Betty Anthony, Old Etna, 2 miles from Etna. 914 Comment
  UC198693  Sedum lanceolatum Annie M. Alexander and Louise Kellogg 1911-8-14 323 Siskiyou Mt. Eddy 2789 Comment
  CHSC118095  Sedum laxum subsp. heckneri Peter F. Zika 2011-7-19 25640 Siskiyou West side of FS Road 1040, 2.9 road miles above ju ... Field redacted by CHSC, contact the data manager for more information 675 Comment
  HSC27599  Sedum laxum subsp. heckneri Carl W. Mize 1972-6-10 55 Siskiyou S slope 366 Comment
  JEPS40870  Sedum laxum subsp. heckneri Paul C. Hutchison 1962-8-5 958 Siskiyou 3.7 mi above mouth Carberry Creek (Middle Fork Applegate River, e-facing cliffs); Middle Fork Applegate River, above mouth Carberry Creek 762 Comment
  RSA96847  Sedum laxum subsp. laxum P. C. Everett, E. K. Balls 1954-10-13 20293 Siskiyou Indian Creek Rd. to Obrien, 20 mi. NW from Hwy 96 at Happy Camp. 1433 Comment
  CLARK-A1528-5663  Sedum obtusatum John C. Roos 1948-9-1 4025 Siskiyou Etna Comment
  CHSC96164  Sedum obtusatum subsp. boreale L. P. Janeway 2006-7-3 8772 Siskiyou Klamath Ranges. Salmon Mountains; 100 m west of the Taylor Lake Trailhead Road 0.8 km south of the main road. North-facing edge at top of narrow rocky spur ridge. 1820 Comment
  UC630383  Sedum obtusatum subsp. boreale Annetta Carter 1939-8-21 1467 Siskiyou 12 mi sw Etna (steep slope above se end Taylor Lake, Salmon Mountains); Salmon Mountains, Taylor Lake, sw of Etna 2164 Comment
  HSC59369  Sedum obtusatum subsp. retusum M. A. Baker 1979-7-30 1081 Siskiyou E side of Pigeon Roost, on trail 3080 Comment
  CAS-BOT-BC94958  Sedum oregonense R. C. Wenk 2005-7-15 214 Siskiyou Trinity Alps, above South Fork of Salmon River, along Yellow Rose Mine Trail, N along ridge toward Preacher's Peak 2133 Comment
  RSA0074725  Sedum spathulifolium C. B. Wolf 1927-8-26 1063 Siskiyou Klamath River; 8 miles above Hamburg. Comment
  UC1015315  Sedum spathulifolium C. R. Bell 1951-4-20 1029 Siskiyou on the Salmon Mountain Road 2.2 mi sw Etna (Mill Creek); sw of Etna, Mill Creek Comment
  HSC63301  Sedum spathulifolium var. spathulifolium M. A. Baker 1979-7-30 1069 Siskiyou 1900 Comment
  UCR143036  Selaginella densa var. scopulorum L. C. Wheeler 1934-8-14 3122 Siskiyou Klamath Ranges; Siskiyou Mountains, 0.5 mile west of White Mountain 1921 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
  CAS-BOT-BC69760  Selaginella wallacei Geo. D. Butler 1909-7-15 874 Siskiyou Highland River. Comment
  UC128665  Senecio aronicoides A. A. Heller 1905-6-15 8029 Siskiyou near Sisson Comment
  UC831881  Senecio aronicoides Alice Eastwood 1921-7-28 10881 Siskiyou Medicine Lake Comment
  UCD135520  Senecio aronicoides Wm. E. Moon 1958-5-29 s.n. Siskiyou Hebron summit, State Highway 97. 1584 Comment
  CAS-BOT-BC341179  Senecio hydrophiloides Geo. D. Butler 1910-6-19 1581 Siskiyou Goosenest foothills 1524 Comment
  RSA0125066  Senecio integerrimus var. ochroleucus Marion Ownbey, Ruth P. Ownbey 1938-7-19 1756 Siskiyou Summit of Siskiyou Mts., 2.5 miles northwest of Dry Lake Lookout. Comment
  CAS-BOT-BC364431  Senecio triangularis L. R. Short 1933-8-5 106 Siskiyou Klamath National Forest. Big ridge N. of Marble Mts. 1981 Comment
  RSA473097  Senecio triangularis B. C. Templeton 1957-6-22 7744 Siskiyou Near the summit of Scott Mt. Comment
  JEPS68544  Setaria viridis Geo. D. Butler 1909-10-10 1091 Siskiyou Yreka, <Doonyard> Comment
  UC196947  Setaria viridis Geo. D. Butler 1910-8-13 1834 Siskiyou Quartz Valley Comment
  RSA0011836  Shepherdia canadensis K. M. Meyer, A. Townesmith 2007-7-31 175 Siskiyou Shasta-Trinity National Forest, 5.4 mi. on NF rd. 17, off US Hwy. 97 1294 Comment
  UC1034574  Sidalcea asprella subsp. nana Douglas Barbe 1955-7-26 271 Siskiyou nw Scott Mtn; Klamath Mountains, nw slope Scott Mtn 1828 Comment
  UC1299198  Sidalcea asprella subsp. nana Freed W. Hoffman 1950-7-11 3723 Siskiyou Cedar Camp road 42.5 mi n Klamath River (western Siskiyou County); n of Klamath River, Cedar Camp Road Comment
  CAS-BOT-BC205786  Sidalcea oregana Geo. D. Butler 1910-5-26 1408 Siskiyou Yreka Comment
  UCD116830  Sidalcea oregana J. M. Tucker 1950-7-24 1959 Siskiyou southern edge of Grass Lake, beside Highway 97, about 22 miles northeast of Weed. Comment
  JEPS67250  Sidalcea oregana subsp. oregana Geo. D. Butler 1908-6-28 63 Siskiyou Oro Fino L. Eastlick Ranch, Oro Fino Comment
  HSC58911  Sidalcea oregana subsp. spicata Marvin Butler 1971-7-21 185 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  JEPS67299  Sidalcea oregana subsp. spicata W. L. Jepson 1937-7-23 18457 Siskiyou Yreka Comment
  RSA120756  Sidalcea oregana subsp. spicata S. S. Tillett 1956-7-9 674 Siskiyou In meadow on N. side of Scott Mtn. divide, headwaters of Mule Creek, Siskiyou-Trinity cos. line, ca 8 miles SE of Calahan 1616 Comment
  UCD39820  Sidalcea oregana subsp. spicata A. H. Murphy 1955-7-27 D- 2 Siskiyou Klamath National Forest. Marble Mountains, Cold Springs Meadow. 1676 Comment
  UC624821  Sidalcea setosa David D. Keck 1938-8-6 4815 Siskiyou 4 mi s Oregon line (Poker Flat, on road from Waldo to Happy Camp, North slope, summit of Siskiyou Mts., at Del Norte Co. line); summit of Siskiyou Mts., North slope 1554 Comment
  JEPS90787  Silene douglasii Dean W. Taylor 1987-6-26 9063 Siskiyou Paynes Springs 2 mi se from Medicine Lake (near head of easternmost spring); Paynes Springs 1996 Comment
  HSC19523  Silene douglasii J. O. Sawyer 1969-7-2 1032 Siskiyou NE facing slope near summit above Lipstick Lake 2226 Comment
  CAS-BOT-BC388953  Silene grayi Alice Eastwood 1912-9-1 2066 Siskiyou Mount Shasta Comment
  HSC18949  Silene grayi G. L. Clifton, Griswold 1979-6-28 6103 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  CAS-BOT-BC389428  Silene lemmonii Wm. Bridge Cooke 1940-6-7 15104 Siskiyou Along the Pacific Highway near Black Butte Comment
  CAS-BOT-BC94426  Silene menziesii R. C. Wenk 2005-7-16 254 Siskiyou Trinity Alps, South Fork of the Salmon River. South end of Big Flat Meadow 1499 Comment
  CAS-BOT-BC389533  Silene menziesii David D. Keck 1938-8-7 4853 Siskiyou Scott Mountain Lodge, 2 mi. E. of Callahan, on E. Fork of Scott River at junction with Mill Creek 1000 Comment
  UC165960  Silene noctiflora Geo. D. Butler 1910-8-12 1825 Siskiyou Yreka Creek Comment
  SBBG1134  Sisyrinchium bellum H. and M. Dearing 1939-6-30 3762 Siskiyou Callahan-Trinity Alps Rd Comment
  SEINET3154294  Smilacina sessilifolia G. D. Butler 1910-5-15 1343 Siskiyou McAdams Creek Comment
  JEPS25632  Smilacina stellata Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7271 Siskiyou Poker Flat 1536 Comment
  UC1190167  Smilacina stellata Ira L. Wiggins 1955-7-23 13478 Siskiyou China Creek 1097 Comment
  SEINET3992500  Smilacina stellata J. M. Tucker 1963-7-5 3702 Siskiyou Blake's Fork of South Russian Creek (a tributary of the Salmon River), ca. 7 air miles E. of Sawyer's Bar, Salmon Mounatains 1615 Comment
  UC375210  Smilax californica Geo. D. Butler 1908-7-7 147 Siskiyou along creek near Yreka Comment
  SEINET8488560 Image available Smilax californica A. A. Heller 1905-6-5 Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  CHSC106100  Solanum dulcamara Lowell Ahart; John Dittes 2010-7-30 16939 Siskiyou Along the south edge of the Shasta River, about 100 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  HSC28652  Solanum parishii Frederick W. Oettinger 1969-8-12 1347 Siskiyou Marble Mtn. Wilderness Area, along trail above Willow Springs 1677 Comment
  CAS-BOT-BC157047  Solanum umbelliferum W. B. Cooke 1940-6-20 15180 Siskiyou Along the Pacific Highway in the Klamath Gorge Comment
  RSA14375  Solanum umbelliferum Elmer I. Applegate 1898-5-15 2137 Siskiyou Klamath River, between Shovel Creek and Fall Creek 793 Comment
  RSA211503  Solidago canadensis subsp. elongata William J. Ferlatte 1966-8-18 415 Siskiyou Along the South Fork of the Salmon River between the campground and Carter's. 1524 Comment
  CAS-BOT-BC365561  Solidago elongata John Thomas Howell 1939-8-9 15217 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC365575  Solidago elongata A. A. Heller 1916-8-24 12562 Siskiyou Near Sisson 1074 Comment
  CAS-BOT-BC339860  Solidago multiradiata A. A. Heller 1918-7-16 13029 Siskiyou Mt. Eddy, west of Sisson 2651 Comment
  RSA14494  Solidago spectabilis Elmer I. Applegate 1923-8-21 3916 Siskiyou Willow Creek, south end of Lower Klamath marsh. Comment
  UC36211  Solidago velutina subsp. californica State Survey c. 1889 Siskiyou Shasta Region Comment
  POM91495  Sorbus californica Geo. D. Butler 1910-7-8 1681 Siskiyou Shakleford Creek 1372 Comment
  RSA96708  Sorbus californica Percy C. Everett, E. K. Balls 1954-10-13 20289 Siskiyou Indian Creek Rd to Obrien. At summit of pass. 21 miles NW of Hwy 96 at Happy Camp. 1555 Comment
  SEINET5735644 Image available Sorbus scopulina J. M. Tucker 1963-1 3715 Siskiyou Vicinity of Paradise Lake, at base of King's castle on the E side.; Marble Mountain Wild. Area 1981 Comment
  UC44993  Sorbus scopulina var. cascadensis W. L. Jepson July 1894 13850 Siskiyou Sisson 1082 Comment
  RSA577542  Spartina gracilis L. C. Wheeler 1935-6-30 3628 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  UC106129  Sphenosciadium capitellatum Brandegee July 1887 Siskiyou Mt. Shasta Comment
  RSA472773  Spiraea densiflora M. B. Dunkle 1945-1 9306 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  RSA593946  Spiraea densiflora Louis C. Wheeler 1963-9-3 8336 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
  RSA237598  Spiraea douglasii Frederick W. Oettinger 1969-8-16 1409 Siskiyou English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1799 Comment
  SBBG27213  Spiraea douglasii L. C. Wheeler 1934-8-16 3176 Siskiyou 2 mi SE White Mtn 1737 Comment
  UC1408913  Spiranthes romanzoffiana Frederick W. Oettinger 1968-8-12 497 Siskiyou Tobacco Lake Trail Salmon Mountains, Marble Mountain Wilderness Area (high lake basins in vicinity of English Peak, w Siskiyou Co.) 1889 Comment
  JEPS93916  Stachys ajugoides var. rigida Vernon H. Oswald and Lowell Ahart 1998-8-3 9418 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.9 mi se of Gazelle-Callahan Road at its intersection with USFS 41N10 Kangaroo Lake Road 1554 Comment
  UC1483507  Stachys ajugoides var. rigida Maralyn A. Renner 1980-8-31 2670 Siskiyou at trailhead to Twin Valley (Poker Flat); Klamath National Forest, Preston Peak Quad. 1524 Comment
  UC884350  Stachys ajugoides var. rigida A. A. Heller 1915-8-26 12236 Siskiyou Mt. Eddy 1828 Comment
  SBBG95169  Stachys rigida M. B. Dunkle -Aug-1945 Siskiyou Paradise Lake, Marble Mtns, Klamath Nat Forest 1981 Comment
  SEINET9285653  Stachys rigida Unknown 2002-6-28 Siskiyou Yreka Park Comment
  POM70360  Stachys rigida subsp. rigida Geo. D. Butler 1910-7-24 1792 Siskiyou Yreka Creek. Comment
  HSC58881  Stachys rigida var. rigida Marvin Butler 1971-7-21 194 Siskiyou Near Bell Echo Camp, close to town of Cave Junction 1433 Comment
  HSC29311  Stachys rigida var. rigida Frederick W. Oettinger 1969-8-19 1461 Siskiyou Marble Mountain Wilderness Area, below old Tanners Peak trail 1860 Comment
  HSC77793  Stellaria crispa L. P. Janeway 1983-9-11 654 Siskiyou Poker Flat 1524 Comment
  RSA22059  Stenanthium occidentale J. T. Howell 1939-8-5 15070 Siskiyou Spirit Lake, Marble Mtns 1829 Comment
  UCR131615  Stenanthium occidentale L. C. Wheeler 1934-8-17 3181 Siskiyou Siskiyou Mtns., north side of White Mtn 1829 Comment
  CAS-BOT-BC375641  Stephanomeria lactucina Alice Eastwood 1917-9-2 6644 Siskiyou Shasta Springs Comment
  CAS-BOT-BC375647  Stephanomeria lactucina L. S. Smith 1913-7-27 494 Siskiyou McCloud Comment
  CDA19964  Stephanomeria lactucina B. Villegas 2002-6-29 s.n. Siskiyou Northern California; near Mt Shasta City. 0 Comment
  UC1408920  Stephanomeria lactucina Frederick W. Oettinger 1968-8-7 473 Siskiyou e side Hancock Lake (w Siskiyou County, the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains 1889 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
  HSC30477  Stephanomeria virgata Frederick W. Oettinger 1969-8-10 1330 Siskiyou At Ft. Jones Comment
  HSC46172  Stephanomeria virgata Jennifer Whipple 1978-8-15 2369 Siskiyou Scott Valley near Weston Gulch 854 Comment
  RSA15798  Stephanomeria virgata C. B. Wolf 1927-8-26 1040 Siskiyou On the Klamath River, 4 mi N of Gottville. Comment
  SEINET10603810  Stipa californica A. Arthur Heller 1905-6-1 Heller 7936 Siskiyou Between Upper Soda Spring and Shasta Retreat. Comment
  UC137022  Streptanthus barbatus J. W. Congdon 1900-8-10 Siskiyou near Sisson 1082 Comment
  CAS-BOT-BC87850  Streptanthus tortuosus A. A. Heller 1916-6-23 12433 Siskiyou Near Black Butte north of Sisson. 1127 Comment
  CAS-BOT-BC87859  Streptanthus tortuosus Marion Ownbey; Fred G. Meyer 1940-7-4 2194 Siskiyou Along Brewer Creek, 1 mile below timber line, east side of Mount Shasta. Comment
  POM95329  Streptanthus tortuosus Geo. D. Butler 1910-4-22 1221 Siskiyou Kidder Creek Comment
  RSA237327  Streptanthus tortuosus Frederick W. Oettinger 1967-6-24 118 Siskiyou Ridge near Etna Summit on road between Etna and Sawyer s Bar. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC618767  Streptanthus tortuosus var. orbiculatus W. Bridge Cooke 1938-8-18 11497 Siskiyou Horse Camp Slopes Mt. Shasta Comment
  HSC18897  Streptanthus tortuosus var. tortuosus J. O. Sawyer 1968-7-9 422 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  RSA68947  Streptopus amplexifolius A. E. Culbertson 1943-7-17 11 Siskiyou Near Forest Service Camp Grd. about a mile downstream from Castle Lake on road to town of Shasta; on north slope of a 6600 eastern spur of Trinity Mts. and 1500 above Sacramento R., within 9 air miles of its headwaters to the west., Mt. Shasta 13 miles to NE 1524 Comment
  UCD139812  Streptopus amplexifolius var. americanus John M. Tucker 1963-8-19 3771 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area. 1950 Comment
  JEPS87630  Symphoricarpos albus var. laevigatus Vernon H. Oswald and Lowell Ahart 1994-8-10 6460 Siskiyou ca. 4 mi. (air) n.-n.e. Bartle (FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi. w. of Harris Spring Rd. (FS15)) 1359 Comment
  CAS-BOT-BC234782  Symphoricarpos mollis H. A. Thomas; J. H. Thomas 1954-7-22 4447 B Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Between Rush and Big Bend Creeks, 0.25 - 0.5 miles N of S Fork of Salmon River 975 Comment
  HSC29346  Symphoricarpos mollis Frederick W. Oettinger 1968-8-6 542 Siskiyou Marble Mtn. Wilderness Area, NE side of Little Medicine Mtn., due N of Hancock Lake. 1997 Comment
  HSC42903  Symphoricarpos mollis J. O. Sawyer, Ken Stillman 1976-5-28 2729 Siskiyou Along Rd. W of Sawyers Bar. 610 Comment
  HSC61152  Symphoricarpos mollis T. Jimerson, J. Pageau 1979-6-15 562 Siskiyou Near Bark Shanty Camp, close to the town of Orleans. 1067 Comment
  JEPS24629  Symphoricarpos mollis Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6784 Siskiyou e of and a little above MacBride Springs (s slopes of Mount Shasta); Mt. Shasta 1432 Comment
  HSC4014  Symphoricarpos rotundifolius var. rotundifolius R. C. Wunner 1965-8-21 468 Siskiyou California Lava Beds National Monument, 1/4 mile from Cinder Pit on Caldwell Butte. 1402 Comment
  UC201308  Symphyotrichum frondosum A. A. Heller 1917-9-7 12977 Siskiyou 2 mi s Grenada; Shasta Valley 914 Comment
  UC76034  Symphyotrichum spathulatum Milo S. Baker 1899-7-18 Siskiyou near, on Sacramento River (e slope of Mt. Shasta) Sissons; Mt. Shasta Comment
  JEPS86149  Synthyris reniformis Wayne Roderick 1965-1 Siskiyou Cook & Green Pass area Cook & Green Pass 1524 Comment
  UCD107054  Taraxia tanacetifolia Wm. E. Moon 1958-5-29 s.n. Siskiyou State Hwy. 97, southwest of Hebron Summit. 1524 Comment
  CAS-BOT-BC81347  Taxus brevifolia A. Eastwood 1912-8-28 s.n. Siskiyou Cantara Comment
  HSC32595  Taxus brevifolia Steven Lagos 1974-5-26 86 Siskiyou Duck Lake Creek drainage, Bulk Collection # 60 1463 Comment
  SEINET11739097  Taxus brevifolia R. Gankin, Hildreth, W. R. 1967-1 1186 Siskiyou near trail to Marble Mountain Wilderness Area (Yellow Jacket Ridge) N of Sawyers Bar 1402 Comment
  CAS-BOT-BC447416  Tellima grandiflora Wm. F. Herrin 1920-5-1 s.n. Siskiyou Shasta Springs Comment
  HSC2237  Tetradymia canescens Geo. D. Butler 1909-7-1 955 Siskiyou Klamath Hills Comment
  CAS-BOT-BC88067  Thelypodium brachycarpum L. E. Smith 1914-5-21 706 Siskiyou Montague. Comment
  HSC101480  Thelypodium brachycarpum J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 12998 Siskiyou Kalmath National Forest. South of the Gazelle-Callahan summit. 1704 Comment
  SBBG70248  Thelypodium brachycarpum A. A. Heller 1927-8-2 14441 Siskiyou N end of Shasta Valley, near the Klamath River Comment
  POM228972  Thelypodium brachycarpum L. C. Wheeler 1935-6-30 3637 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  CAS-BOT-BC88113  Thelypodium laciniatum L. E. Smith 1913-4-25 642 Siskiyou Yreka. Comment
  JEPS45935  Thlaspi montanum var. montanum Rimo Bacigalupi and L. R. Heckard 1966-6-15 9179 Siskiyou just n Cedar Lake (in The Eddys, upper drainage of the South Fork of the Sacramento River); upper drainage of South Fork Sacramento River, n of Cedar La 1731 Comment
  CAS-BOT-BC66798  Thysanocarpus curvipes John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-20 53556 Siskiyou East Fork Scott River 2 miles east of Callahan on road to Gazelle. 1005 Comment
  HSC6996  Thysanocarpus curvipes L. C. Wheeler 1935-5-11 3477 Siskiyou Klamath River at Ash Creek, near river 610 Comment
  POM169142  Tofieldia glutinosa subsp. occidentalis E. B. Copeland 1903-9-7 3864 Siskiyou Mt. Eddy 2439 Comment
  RSA757026  Tofieldia glutinosa subsp. occidentalis Barbara Ertter 1990-7-14 9346 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4 air miles west of Mt. Shasta City 1829 Comment
  JEPS74511  Tofieldia occidentalis subsp. occidentalis W. J. Ferlatte 1966-8-16 369 Siskiyou Big Flat Hillside Trinity Alps 1524 Comment
  CAS-BOT-BC447626  Tolmiea menziesii Ira L. Wiggins 1955-7-24 13501 Siskiyou Trail at crossing of China Creek, above diversion dam 1301 Comment
  SBBG56745  Torreyochloa pallida A. Eastwood 1912-7-17 Siskiyou McCloud Comment
  JEPS104953  Torreyochloa pallida var. pauciflora Dean W. Taylor 1996-6-24 15740 Siskiyou Klamath River canyon near Oregon State Line; Klamath National Forest 1066 Comment
  CAS-BOT-BC169253  Toxicodendron diversilobum Alice Eastwood 1912-7-23 1345 Siskiyou Shasta Sprnigs Comment
  CAS-BOT-BC377155  Tragopogon porrifolius L. B. Kildale 1930-5-31 9815 Siskiyou Island in Klamath River near Hornbrook Comment
  HSC67719  Triantha occidentalis subsp. occidentalis John Palmer 1980-7-24 619 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC96432  Triantha occidentalis subsp. occidentalis Tony LaBanca, Leonel Arguello, Gordon Leppig 1997-6-27 487 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  CDA39670  Trientalis latifolia F. D. Horn 1977-6-8 s.n. Siskiyou North of Weed on old Highway 99. 0 Comment
  HSC37535  Trifolium eriocephalum J. P. Smith 1974-5-26 7573 Siskiyou Along FS Rd. 47N03 1524 Comment
  UCR256430  Trifolium hirtum Barbara L. Wilson, Caitlin Coberley 2011-6-16 16251 Siskiyou north edge of rest area on Hwy I-5 southbound, north of the town of Weed 888 Comment
  HSC61932  Trifolium longipes Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC71103  Trifolium longipes Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4509 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  HSC92981  Trifolium longipes subsp. shastense Jennifer Whipple 1976-6-17 1028 Siskiyou Near Durney Lake 2073 Comment
  RSA582467  Trifolium wormskioldii Louis C. Wheeler 1935-6-27 3620 Siskiyou Greenview, Scott Valley. 884 Comment
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Aug 1 2014
  RSA75589  Trillium albidum Albert M. Vollmer, L. Beane 1951-6-2 71 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway. Comment
  HSC99848  Trillium ovatum G. L. Clifton 1979-7-1 6184 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  HSC782  Trillium ovatum subsp. oettingeri William J. Ferlatte 1967-6-30 597 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  CAS-BOT-BC200091  Trisetum canescens Alice Eastwood 1912-7-17 1099 Siskiyou Mc Cloud [McCloud] Comment
  UC1265465  Trisetum canescens Frederick W. Oettinger 1969-9-5 1682 Siskiyou near Abbott Lake (Salamander Pond, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  UCD93876  Trisetum canescens R. Tofsrud 1948-8-1 s.n. Siskiyou Near summit of road between Happy Camp and O'Brien Oregon. Comment
  CAS-BOT-BC200266  Trisetum spicatum Alice Eastwood 1921-7-28 10910 Siskiyou Medicine Lake Comment
  CHSC102549  Trisetum spicatum L. P. Janeway 2009-8-4 9902 Siskiyou High Cascade Range. Mt. Shasta, north slope 3.7 air km south-southwest of Brewer Creek North Gate Trailhead. 2783 Comment
  HSC34133  Trisetum spicatum J. O. Sawyer 1969-8-5 1779 Siskiyou Near Little Duck Lake 2073 Comment
  HSC76728  Trisetum spicatum K. T. Stillman 1976-8-8 395 Siskiyou Marble Mountain Wilderness Area, trail from jump off to Paradise Lake Comment
  JEPS84003  Trisetum spicatum L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6430 Siskiyou ca 5 mi n town of Seiad Valley (e slope of Kangaroo Mountain, cirque at head of Hell's Canyon); Kangaroo Mountain, Hell's Canyon 1828 Comment
  CAS-BOT-BC133492  Triteleia crocea D. E. Breedlove 1962-6-10 3301 Siskiyou Along Indian Creek Road, 15.6 miles northwest of Happy Camp; Siskiyou Mountains 975 Comment
  UC726460  Triteleia hyacinthina A. A. Heller 1919-6-25 13265 Siskiyou Compton's Prairie Comment
  UC367041  Triteleia ixioides subsp. anilina unknown June 1879 Siskiyou near Shasta Comment
  UC765407  Triteleia ixioides subsp. anilina W. Bridge Cooke 1939-6-23 13540 Siskiyou in lower part Wagon Camp Flats (Mount Shasta); Mount Shasta Comment
  UCD78068  Triteleia ixioides subsp. anilina Robert E. Preston 2002-6-21 1869 Siskiyou Klamath National Forest, Rainbow Mountain, S slope, N of Trout Creek 1691 Comment
  HSC67794  Tsuga mertensiana J. O. Sawyer, J. Cole 1980-7-21 3898 Siskiyou Near Haight Mtn. along USFS Rd. running S-SW 1939 Comment
  HSC91436  Tsuga mertensiana Jennifer Whipple 1978-10-6 2414 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  RSA761844  Tsuga mertensiana Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63374 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  RSA37425  Umbellularia californica Marion Ownbey, Fred G. Meyer 1940-7-8 2224 Siskiyou Dry hillside along Indian Creek. 12 miles above Happy Camp. Comment
  CAS-BOT-BC199198  Vaccinium cespitosum Wm. Bridge Cooke 1940-7-5 15266 Siskiyou At Wagon Camp Comment
  CHSC69747  Vaccinium cespitosum Loren Gehrung 1996-9-19 107 Siskiyou Scott Camp Ck, near Methodist Church Camp. 1 airmile NW of Castle Lake. Plants between creek and USFS Rd 39N46. 1505 Comment
  HSC68386  Vaccinium cespitosum Maralyn A. Renner 1980-6-26 1202 Siskiyou N edge of Flint Valley 1390 Comment
  CAS-BOT-BC199235  Vaccinium membranaceum Harley P. Chandler 1901-6-1 1577 Siskiyou Near Marble Mountain 2133 Comment
  CHSC88998  Vaccinium membranaceum Steven Harris 1981-7-29 729 /1 Siskiyou Klamath National Forest. Near N. Fork Dillon Creek. 1219 Comment
  CHSC89000  Vaccinium membranaceum Gail A. Newton 1981-7-29 2328 Siskiyou Klamath National Forest. Near Willis Hole. 1365 Comment
  HSC19366  Vaccinium membranaceum J. O. Sawyer 1968-9-11 703 Siskiyou Slopes above Twin Valley 1524 Comment
  HSC60771  Vaccinium membranaceum Ruby Van Deventer 1962-8-14 Siskiyou Bell Echo Camp in Youngs Valley Comment
  UC562352  Vaccinium membranaceum Joseph P. Tracy 1935-8-1 14419 Siskiyou 3 mi e of Salmon Summit (Head of Knownothing Creek); Knownothing Creek 1767 Comment
  RSA8228  Vaccinium parvifolium Elmer I. Applegate 1930-8-11 6602 Siskiyou Cook and Green Creek, Siskiyou Mountains, Applegate River watershed. Comment
  CAS-BOT-BC267276  Valeriana Carl B. Wolf 1934-7-4 5957 Siskiyou Siskiyou Mountains, 6.8 miles from Dry Lake Lookout on road to Horse Creek 1828 Comment
  RSA433754  Valeriana capitata subsp. californica Unspecified 9201 Siskiyou Marble Valley, Marble Mountains. Comment
  JEPS33027  Vancouveria hexandra W. L. Jepson 1907-7-19 2935 Siskiyou East Fork Illinois River; Siskiyou Mts., East Fork Illinois River Comment
  CAS-BOT-BC529104  Veratrum californicum G. J. Muth 1969-8-12 1378 Siskiyou Boreal Meadow, Second Valley 2194 Comment
  CAS-BOT-BC529105  Veratrum californicum L. R. Short 1933-8-5 26 Siskiyou Gentle NE slope, Big Ridge N of M.M [Marble Mtn.] 1981 Comment
  HSC36208  Veratrum californicum var. californicum John Rehling 1975-8-11 104 Siskiyou S end of Little Duck Lake Comment
  HSC69168  Veratrum californicum var. californicum Maralyn A. Renner 1980-8-6 2325 Siskiyou Cracker Meadow 1555 Comment
  SD51281  Verbascum blattaria Darley F. Howe 1961-8-3 3131 Siskiyou 4.1 miles east of Happy Camp on #96 Comment
  HSC41803  Veronica americana Brent Whiteley 1975-8-1 119 Siskiyou Ti Creek, Klamath National Forest 671 Comment
  CAS-BOT-BC443955  Veronica copelandii Dana York 2012-7-21 3138 Siskiyou Klamath/Siskiyou Mts. Rogue River-Siskiyou National Forests, Siskiyou Mountains, Red Butte Wilderness, NE slope of Red Butte. 1925 Comment
  JEPS16473  Veronica peregrina subsp. xalapensis Geo. D. Butler 1909-5-2 692 Siskiyou Yreka Comment
  CDA42020  Veronica peregrina var. xalapensis L. Ahart 2005-6-1 12059 Siskiyou Near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. Comment
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Oct 5 2019
  HSC61935  Veronica serpyllifolia subsp. humifusa Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1555 Comment
  JEPS16817  Veronica serpyllifolia subsp. humifusa Geo. D. Butler 1908-8-7 47 Siskiyou at head of Woolly Creek Woolly Creek 1676 Comment
  HSC36869  Vicia americana var. americana J. P. Smith 1974-5-26 7544 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC71462  Vicia americana var. americana J. P. Smith 1973-5-5 6383 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UC54376  Vicia americana var. americana H. M. Hall and E. B. Babcock Jun 1903 4138 Siskiyou Pole Canyon Sierra Nevada Mountains (ne Shasta County) 1463 Comment
  UC618894