Search Results — 2000 specimen records retrieved (1375 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/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA237419  Abies amabilis Frederick W. Oettinger 1968-9-5 711 Siskiyou At south end of Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2072 Comment
  HSC1338  Abies concolor R. C. Wunner 1965-8-14 430 Siskiyou Tichner Road 2 mi. SW of Mammoth Crater 1555 Comment
  UC1001949  Abies concolor Mrs. B. M. Berry 1954-10-7 4 Siskiyou Sugar Creek Bridge Salmon Mountains, Sugar Creek Bridge (High Road between French Creek and Scott River, near Callahan) 1828 Comment
  UCD134144  Abies concolor Robert E. Preston 2002-7-12 1912 a Siskiyou Klamath National Forest, S slope of Rainbow Mountain. 1893 Comment
  HSC4985  Abies lasiocarpa J. O. Sawyer 1968-7-10 499 Siskiyou On trail to South Sugar Lake. 1982 Comment
  JEPS5100  Abies magnifica var. shastensis W. L. Jepson Jul 17 1902-Jul 22 1902 2079 Siskiyou Salmon Forks Trail western Siskiyou 2286 Comment
  RSA0091809  Abies magnifica var. shastensis Bonnie C. Templeton 1968-6-13 11332 Siskiyou Mount Shasta, near Panther Meadows. 2835 Comment
  SD136399  Abies magnifica var. shastensis Helen V. Witham 1969-10-9 640 Siskiyou Mount Shasta 2100 Comment
Read comments
Jul 10 2010
  HSC4977  Abies procera J. O. Sawyer 1968-9-9 669 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  RSA386076  Acer circinatum E. E. Stanford 1930-6-15 1581 Siskiyou 1 mile north of Dunsmuir. Comment
  CAS-BOT-BC331017  Acer glabrum var. glabrum Doris K. Kildale 1928-8-18 6452 Siskiyou Head of north fork of Salmon River at Finley's Upper Camp Comment
  HSC44987  Acer glabrum var. torreyi J. O. Sawyer 1978-6-19 3242 Siskiyou Marble Mtn. Wilderness Area, ridges E of Shelly Lake 2165 Comment
  HSC4973  Acer glabrum var. torreyi J. O. Sawyer 1968-6-18 212 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  HSC66171  Acer glabrum var. torreyi J. P. Smith, Steve Selva 1970-6-16 4064 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  RSA237832  Acer glabrum var. torreyi Frederick W. Oettinger 1967-8-21 302 Siskiyou Along trail to Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC332786  Acer macrophyllum Alice Eastwood 1923-5-29 12000 Siskiyou Cantara Comment
  RSA47650  Acer macrophyllum Roxana S. Ferris, Laura Lorraine 1948-6-16 11778 Siskiyou About 5.5 miles from Etna on forks of Salmon Road Comment
  UC635160  Acer macrophyllum Dorothy Tebbe 1929-7-18 7 Siskiyou Mount Eddy Comment
  SEINET10692762  Acer negundo var. californicum Andrew Townesmith, Karen M. Meyer 2007-8-3 Townesmith 892 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along state route 96, 5.2 miles west of National Forest boundary. Vicinity of Cayuse Day Use Area. T46N R7W, near boundary between sections 7 and 8. 576 Comment
  HSC67833  Achillea millefolium J. O. Sawyer, J. Cole 1980-7-22 3923 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  HSC77412  Achillea millefolium L. P. Janeway 1983-9-11 670 Siskiyou Poker Flat 1524 Comment
  UCR37814  Achillea millefolium K. T. Stillman 1976-7-15 251 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  RSA238785  Achillea millefolium Frederick W. Oettinger 1968-8-5 400 Siskiyou Ridges above English Lake Basin, Shasta Ridge'. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC216922  Achnatherum occidentale John Thomas Howell 1937-7-21 13166 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  RSA238358  Achnatherum occidentale subsp. californicum Frederick W. Oettinger 1968-9-6 744 -b Siskiyou Tom's Lake region, Edge of Bear Meadow . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2188 Comment
  UC1025007  Achnatherum occidentale subsp. californicum Leo Whitney 3471 Siskiyou 2 mi se Medicine Lake (Bullseye Lake); Bullseye Lake Comment
  UC1265474  Achnatherum occidentale subsp. californicum Frederick W. Oettinger 1968-8-8 454 a Siskiyou Crapo Meadow near Tom Taylor Cabin (vicinity of English Peak Marble Mountain Wilderness Area); Salmon Mountains, High Lake Basin 2026 Comment
  JEPS57227  Achnatherum occidentale subsp. occidentale L. R. Heckard 1967-8-13 1712 Siskiyou summit region of Mt. Eddy Mt. Eddy 2743 Comment
  UCD51225  Achnatherum occidentale subsp. pubescens Roseman 1913-1 s.n. Siskiyou Butte Valley. Comment
  CAS-BOT-BC218018  Achnatherum thurberianum John Thomas Howell 1952-6-14 28352 Siskiyou Serpentine Knoll, 7 miles E of Callahan on road to Gazelle Comment
  UC134232  Achyrachaena mollis Dr. E. B. Copeland 1903-7-3 3528 Siskiyou Klamathon; Pacific Coast Comment
  CHSC118648  Acmispon denticulatus Richard R. Halse 2016-5-29 9718 Siskiyou Along Hilt Road ca. 2.1 miles northwest of Hilt on the Oregon/California State Line. 876 Comment
  CHSC75712  Acmispon nevadensis var. nevadensis Vernon H. Oswald; Lowell Ahart 1999-7-5 9812 Siskiyou Gazelle Mtn. on road 41N03 0.6 mi southeast of Gazelle-Callahan Hwy. 1524 Comment
  UCD95368  Aconitum columbianum A. H. Murphy 1956-8-16 56 FF Siskiyou Tangle Blue Lake. 1767 Comment
  CAS-BOT-BC391509  Aconitum columbianum subsp. columbianum John Thomas Howell 1939-8-5 15074 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC391539  Aconitum columbianum subsp. columbianum H. A. Thomas; J. H. Thomas 1954-7-25 4521 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  RSA576949  Aconitum columbianum var. columbianum Louis C. Wheeler 1934-6-18 2724 Siskiyou Cottonwood Creek, Siskiyou Mts. Mt. Diablo Mer. 1311 Comment
  HSC2417  Aconogonon davisiae William J. Ferlatte 1966-8-5 341 Siskiyou Caribou Mtn. 2470 Comment
  CHSC9484  Aconogonon newberryi J. F. Goodwin 1971-7-3 128 Siskiyou West side of road, 0.3 mi. south of Mt. Shasta Ski Bowl area. 2438 Comment
  HSC61828  Aconogonon phytolaccifolium Ruby Van Deventer 1937-7-14 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC391705  Actaea rubra Doris K. Kildale 1928-8-18 6494 Siskiyou Near head of north fork of Salmon River at Finley's Upper Camp Comment
  CAS-BOT-BC29320  Adenocaulon bicolor Doris Kildale 1929-7-21 8745 Siskiyou Elk Lick, south fork Indian Creek Comment
  CAS-BOT-BC29323  Adenocaulon bicolor Edward Lee 1934-8-13 1091 Siskiyou Watershed of west branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest. 1463 Comment
  CAS-BOT-BC68951  Adiantum aleuticum Gilbert J. Muth 1969-8-10 1346 Siskiyou Ridge west of Boulder Peak Comment
  HSC68883  Adiantum aleuticum Maralyn A. Renner 1980-6-23 980 Siskiyou W Fork Seiad Creek 878 Comment
  UC1408850  Adiantum aleuticum Frederick W. Oettinger 1968-9-1 644 Siskiyou ssw Abbotts Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1798 Comment
  UC1183416  Agastache parvifolia P. Quentin Tomich 1954-6-24 424 Siskiyou Lava Beds National Monument; entrance of lava cave Comment
  RSA264983  Agastache urticifolia Gilbert Muth 1975-7-29 5836 Siskiyou Near Kangaroo Mtn. Near Seiad Valley. 1756 Comment
  HSC77050  Agastache urticifolia K. T. Stillman 1976-7-7 171 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  RSA211330  Agastache urticifolia William J. Ferlatte 1966-8-18 425 Siskiyou Trinity Alps of Northern California, Willow Creek Trail. 1707 Comment
  CAS-BOT-BC21375  Agoseris aurantiaca var. aurantiaca Alice Eastwood 1921-7-29 10946 Siskiyou Medicine Lake Comment
  UC933411  Agoseris aurantiaca var. aurantiaca Annie M. Alexander and Louise Kellogg 1948-9-9 5615 Siskiyou at start of 2 mi trail to Taylor Lake, in meadow Cook and White Mine; Siskiyou Mountains Comment
  CHSC69064  Agoseris glauca var. monticola Vernon Oswald; Lowell Ahart 1997-7-28 8797 Siskiyou Schonchin Spring Campground at Medicine Lake. 2057 Comment
  HSC43334  Agoseris grandiflora Maralyn O'Meara 1974-5-27 473 Siskiyou Along FS Rd. 47N03 1646 Comment
  UC163884  Agoseris grandiflora var. grandiflora Geo. D. Butler 1908-8-3 301 Siskiyou Shadeford Creek Log Lake, Shadeford Creek Comment
  CAS-BOT-BC22771  Agoseris heterophylla Elmer I. Applegate 1936-5-19 10322 Siskiyou Lava Beds National Monument, between Indian Wells and Three Sisters. Comment
  RSA48237  Agoseris heterophylla Roxana S. Ferris, Laura Lorraine 1948-6-12 11837 Siskiyou Gazelle Mtn grade, road betw Callahan and Gazelle. 1500 Comment
  UC1539996  Agoseris heterophylla var. heterophylla M. Mitchell 1935-5-14 30 Siskiyou Canby's Cross; Lava Beds National Monumnet 1234 Comment
  SEINET5335956  Agrostis alba B. Cooke 1939-8-22 13880 Siskiyou Mount Shasta, Wagon Camp Transition Zone 1737 Comment
  HSC2195  Agrostis exarata L. C. Wheeler 1934-7-2 2843 Siskiyou Little Smoky Creek, Sterling Mt. 1280 Comment
  UCD52125  Agrostis exarata Beecher Crampton 1956-8-21 3838 Siskiyou lower slopes of White Ridge, canyon of the South Fork of the Sacramento River. Comment
  SEINET13768145  Agrostis exarata L. C. Wheeler 1934-8-14 3144 Siskiyou White Mountain: east end. 1768 Comment
  SEINET7593586 Image available Agrostis exarata F. W. Oettinger 1969-1 1499 Siskiyou north side of Horse's Hole meadows, Horse Range Lake, Salmon Mountains 1859 Comment
  HSC30452  Agrostis gigantea Frederick W. Oettinger 1968-9-8 790 Siskiyou Marble Mountains Wilderness area, S. of English Lake. 1646 Comment
  HSC39672  Agrostis gigantea J. P. Smith, J. O. Sawyer 1971-9-18 4830 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  HSC777  Agrostis gigantea William J. Ferlatte 1967-8-17 952 Siskiyou Yellow Rose Mine 1982 Comment
  RSA238995  Agrostis humilis Frederick W. Oettinger 1968-9-7 757 Siskiyou West shore of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  RSA233687  Agrostis humilis R. F. Thorne, Fred Oettinger 1969-8-10 38956 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  JEPS83987  Agrostis idahoensis L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6385 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1.5 mi e of Red Butte summit) 1900 Comment
  CAS-BOT-BC138941  Agrostis pallens Doris K. Kildale 1928-8-19 6515 Siskiyou English Lake, head of north fork of Salmon River. 1828 Comment
  HSC30536  Agrostis pallens Frederick W. Oettinger 1969-8-24 1537 Siskiyou Marble Mtn. Wilderness Area, on slope NW of English Peak near the trail. 1753 Comment
  RSA239083  Agrostis pallens Frederick W. Oettinger 1969-8-22 1488 Siskiyou Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UC1265309  Agrostis pallens Frederick W. Oettinger 1969-8-16 1411 Siskiyou open level area near Wiregrass Meadows (near English Lake Basin); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  UCD53103  Agrostis pallens Beecher Crampton 1956-8-21 3827 Siskiyou 1/2 mile northeast of Gumboot Lake the headwater of the Sacramento River (south fork). 1767 Comment
  CAS-BOT-BC138696  Agrostis scabra Ira L. Wiggins 1955-7-22 13448 Siskiyou In South Fork of Salmon River, 9.5 miles above Cecilville. 1066 Comment
  HSC39675  Agrostis scabra J. P. Smith, J. O. Sawyer 1971-9-18 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  JEPS72964  Agrostis scabra W. L. Jepson 1940-7-4 20112 Siskiyou 5 mi se Barlte; Big Bear Flat 1219 Comment
  UC1059002  Agrostis thurberiana Beecher Crampton 1956-8-22 3856 Siskiyou Panther Meadow, s slope of Mt. Shasta Mt. Shasta 2316 Comment
  CAS-BOT-BC138476  Agrostis variabilis Elmer I. Applegate 1923-8-17 3838 Siskiyou Medicine Lake. Comment
  HSC22463  Agrostis variabilis J. O. Sawyer 1969-8-4 1895 Siskiyou Above S Sugar Lake 2043 Comment
  POM259583  Agrostis variabilis J. T. Howell 1939-8-9 15214 Siskiyou Sky High Valley, Marble Mountains. 1829 Comment
  JEPS84244  Allium L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6346 a Siskiyou ca. 1/2 mi se Red Butte (ca. 7 mi nne Seiad Valley, sw of Cook and Green Pass) 1730 Comment
  UC375198  Allium acuminatum Geo. D. Butler 1910-5-17 1357 Siskiyou Yreka hills Comment
  RSA166656  Allium acuminatum A. I. Richardson 1961-6-8 14 Siskiyou Near Cedar Lake, N of Mt. Shasta. 854 Comment
  RSA577792  Allium acuminatum L. C. Wheeler 1935-5-11 3489 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  HSC22090  Allium campanulatum J. O. Sawyer 1969-7-24 1503 Siskiyou Steep slopes of Sugar Creek drainage 1890 Comment
  RSA68940  Allium campanulatum A. E. Culbertson 1943-7-5 18 Siskiyou Castle Lake, 14 miles SW of Mt. Shasta on north side of a 6600 eastern spur of Trinity Mountains; 2000 above Sacramento River. Within 10 air miles of its headwaters to the west. 1657 Comment
  UC609359  Allium campanulatum Eleanor Burks Hart 1938-8-20 940 Siskiyou below Red Cap (upper end of Big Meadow); Big Meadow 2225 Comment
  SBBG843  Allium falcifolium H. and M. Dearing 1938-6-29 2195 Siskiyou Mt Shasta 2438 Comment
  UCR40078  Allium falcifolium K. T. Stillman 1976-6-25 72 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  HSC69699  Allium siskiyouense Maralyn A. Renner 1980-6-26 1267 Siskiyou Ridge along F.S. rd. 15N01 about 1 mi. N of Flint Valley 1494 Comment
  JEPS81882  Allium siskiyouense Roger Raiche 1982-7-7 20562 Siskiyou Alex Hole 1950 Comment
  UC15003  Allium siskiyouense Harley P. Chandler June, 1901 1647 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  UCD141859  Allium validum Doug Barbe 1959-7-11 540 Siskiyou north of Gumboot Lake, west of city of Shasta and south of Mt. Eddy. 1767 Comment
  SEINET3154008  Allium validum G. D. Butler 1910-6-19 1577 Siskiyou Goosenet foot hills 1524 Comment
  NY334899  Allocarya laxa H. E. Brown 1897-8-1 590 Siskiyou South side Mt. Shasta 1524.0 Comment
  HSC17947  Allotropa virgata H. P. Chandler Jun 1901 1546 Siskiyou Near Marble Mountain 2134 Comment
  HSC72612  Allotropa virgata Gail Newton 1980-6-20 543 Siskiyou Near Bald Mtn. 1326 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
  JEPS109399  Alnus rhombifolia Dean W. Taylor 2004-7-19 19190 B Siskiyou Weed, wet meadow just east of town limits along Boles Creek 1051 Comment
  RSA452797  Alnus rhombifolia E. E. Stanford 1930-6-15 1585 Siskiyou 1 mile north of Dunsmuir. Comment
  UC1045286  Alnus rhombifolia W. Bridge Cooke 1940-7-12 15313 Siskiyou along creeks leading to Box Canyon of the Sacramento (near Mt. Shasta City) Comment
  HSC29275  Alnus viridis subsp. sinuata Frederick W. Oettinger 1968-8-3 383 Siskiyou Marble Mtn. Wilderness Area, near 'Base Camp' on trail between Diamond and Hancock Lakes 2012 Comment
  RSA238558  Alnus viridis subsp. sinuata Frederick W. Oettinger 1969-7-14 1012 Siskiyou Salmon Mountains, in the vicinity of English Peak, Marble Mountains Wilderness Area, along the s. shore of Charmaine Lake. 1921 Comment
  CAS-BOT-BC138103  Alopecurus aequalis var. aequalis Geo. D. Butler 1910-8-13 1837 1/2 Siskiyou Oro Fino Creek. Comment
  CAS-BOT-BC138104  Alopecurus aequalis var. aequalis Louis C. Wheeler 1934-6-26 2795 Siskiyou Siskiyou Mountains. Cottonwood Creek. 838 Comment
  UC166283  Alyssum alyssoides Geo. D. Butler 1910-5-15 1341 Siskiyou near Yreka Comment
  CAS-BOT-BC18596  Alyssum alyssoides Philip Alexander Munz 1949-5-18 13307 Siskiyou 14 miles southwest of Gazelle on Callahan road. 1463 Comment
  CHSC72221  Amaranthus blitoides Vernon H. Oswald; Lowell Ahart 1998-9-16 9642 Siskiyou Hwy. 161 at the Lower Klamath NWR 5.9 mi east of Hwy. 97. 1243 Comment
  UC163733  Amaranthus californicus Geo. D. Butler 1908-9-6 133 Siskiyou near Yreka Comment
  CAS-BOT-BC136896  Amelanchier utahensis Mrs. H. P. Bracelin 1936-5-11 839 Siskiyou Mt. Eddy, about 6 miles N.W. of Mt. Shasta City, Wagon Creek Canyon above Metcalf ranch house 1188 Comment
  CAS-BOT-BC136907  Amelanchier utahensis L. E. Smith 1913-5-27 284 Siskiyou Weed Comment
  CAS-BOT-BC136915  Amelanchier utahensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11800 Siskiyou Scott Mt. Rd. so. of Callahan 1463 Comment
  SEINET3151698  Amsinckia intermedia G. D. Butler 1910-5-3 1269 Siskiyou Dry land Yuka Comment
  UC1584291  Anaphalis margaritacea Julie Kierstead 1990-8-23 90 -144 Siskiyou Cold Creek; Mt. Shasta, McCloud R. D. 1584 Comment
  POM215878  Androsace elongata subsp. acuta Louis C. Wheeler 1935-4-18 3432 Siskiyou Greenhorn Creek, Siskiyou Mountains. 945 Comment
  CHSC32971  Anemone deltoidea J. P. Smith; Steve Selva 1970-6-16 4063 Siskiyou 8 miles west of Etna on road to Sawyers Bar. 1371 Comment
  JEPS8482  Anemone deltoidea Rimo Bacigalupi with J. P. Tracy, L. Constance, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-16 3450 Siskiyou at Poker Flat (near summit of Takilma-Happy Camp rd over Siskiyou Mtns, Del Norte-Siskiyou Co. line); Siskiyou Mtns 1630 Comment
  RSA262470  Anemone deltoidea J. M. Tucker 1974-7-28 4310 Siskiyou Haypress Meadows, Marble Mtn Wilderness Area. 1463 Comment
  UCD19276  Anemone deltoidea Julie Knorr 1980-7-16 69 Siskiyou Trinity Alps Primitive Area,1 mi. up Fish Creek Trail,. 1676 Comment
  HSC69707  Anemone drummondii Maralyn A. Renner 1980-6-26 1259 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  HSC92641  Anemone drummondii Jennifer Whipple 1976-9-3 1770 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2470 Comment
  CAS-BOT-BC391848  Anemone drummondii L. R. Short 1933-8-6 105 Siskiyou Klamath National Forest. Marble Mts. 1828 Comment
  HSC77077  Anemone multifida var. multifida K. T. Stillman 1976-6-26 114 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  HSC61189  Angelica tomentosa Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  HSC71964  Angelica tomentosa J. M. DiTomaso 1980-8-21 1895 Siskiyou Kidd Creek, Salmon-Trinity Alps Wilderness Area. E of Caribou Lakes 2043 Comment
  CAS-BOT-BC59279  Antennaria argentea L. E. Smith 1913-4-26 123 Siskiyou Dunsmuir Comment
  UC165287  Antennaria argentea Geo. D. Butler 1908-6-29 334 Siskiyou near Oro Fino Comment
  RSA47616  Antennaria argentea Roxana S. Ferris, Laura Lorraine 1948-6-12 11724 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  UC1114144  Antennaria dimorpha Gene B. Newcomb and H. G. Baker Mar 28 1959-Mar 29 1959 237 Siskiyou 4.5 mi n of city limits on US Hwy 99 Yreka 914 Comment
  CAS-BOT-BC58721  Antennaria geyeri Alice Eastwood 1921-7-29 10958 Siskiyou Little Mt. Hoffman Comment
  CHSC30243  Antennaria geyeri M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3263 Siskiyou Little Mt. Hoffman, W side, between road and lookout. 2225 Comment
  UCR70793  Antennaria geyeri J. W. Thompson 1936-7-8 13158 Siskiyou Lava Bed National Monument Comment
  CAS-BOT-BC77346  Antennaria media John Thomas Howell 1937-7-24 13401 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  JEPS120229  Antennaria racemosa Julie Kierstead Nelson with Rhonda Posey, Peter Zika, Talitha Derksen 2012-6-21 2012 -053 Siskiyou Headwaters of South Fork Willow Creek, foothills of N side Scott Mountain. Along Rd. 42N42Y .2 mi E of junction with 42N19 Comment
  POM230556  Antennaria rosea J. T. Howell 1937-7-21 13177 Siskiyou S Fork of Salmon river near Big Flat. 1524 Comment
  RSA416680  Antennaria rosea M. B. Dunkle 1945-08 9295 Siskiyou Klamath National Forest Marble Mts. Comment
  HSC29209  Antennaria rosea subsp. rosea Frederick W. Oettinger 1968-8-14 516 Siskiyou High Lake Basins near English Peak, Marble Mountain Wilderness Area; on dry border of 'Bear Meadow', between Tom Taylor Cabin and English Peak Lookout 2005 Comment
  RSA238714  Antennaria umbrinella Frederick W. Oettinger 1968-8-5 402 -a Siskiyou Mount Hemlock Forest, Shasta Ridge, between Diamond Lake and English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UC1034585  Anthemis cotula Douglas Barbe 1955-7-1 84 Siskiyou 6 mi s Etna; Scott Valley 883 Comment
  JEPS25848  Antirrhinum vexillocalyculatum subsp. breweri Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7474 Siskiyou 3 mi ne Calif. Hwy 96, Swillup Creek crossing (Calif Hwy 96, opposite King Creek in Klamath River Canyon); Klamath River Canyon 334 Comment
  JEPS5337  Antirrhinum vexillocalyculatum subsp. breweri Geo. D. Butler 1908-8-30 2 Siskiyou near Fort Jones (on the light hill grade) 762 Comment
  JEPS95243  Apocynum Steve Edwards Jul 1996 Siskiyou at base of Mount Eddy (Stewart Springs Road) 914 Comment
  JEPS83880  Apocynum androsaemifolium Wayne Roderick 1976-7-1 Siskiyou along trail to Lily Pad Lake (vicinity of Cook and Green Pass) 1706 Comment
  RSA105435  Apocynum androsaemifolium subsp. pumilum G. D. Barbe 1955-6-30 53 Siskiyou Just west of Forest Camp, Etna 915 Comment
  RSA211337  Apocynum androsaemifolium subsp. pumilum William J. Ferlatte 1966-8-18 408 Siskiyou Wooded area 3 miles S of Big Flat. 1585 Comment
  CAS-BOT-BC394977  Aquilegia formosa John Thomas Howell 1937-7-24 13388 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC69383  Aquilegia formosa var. formosa Maralyn A. Renner 1980-7-24 1954 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  HSC58916  Aquilegia formosa var. truncata Marvin Butler 1971-7-19 152 Siskiyou Near El Capitan 1464 Comment
  HSC44591  Aquilegia formosa var. truncata Laura Witherspoon 1977-6-30 Siskiyou Dillon Camp 1494 Comment
  RSA0125739  Arabis breweri Frederick W. Oettinger 1968-8-22 602 Siskiyou Above English Lake to Diamond Lake trail on English Lake side of pass to Diamond Lake. Salmon Mts.; High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2098 Comment
  RSA0125743  Arabis breweri Lincoln Constance, Reed C. Rollins 1942-5-13 2910 Siskiyou Klamath-Siskiyou Region: Scott River 2 miles northwest of Scott Bar. 488 Comment
  RSA0126137  Arabis divaricarpa var. interposita Geo. D. Butler 1910-6-5 1547 Siskiyou Log Lake, Shackleford Creek. Comment
  CAS-BOT-BC17356  Arabis eschscholtziana John Thomas Howell 1937-7-21 13202 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  JEPS53035  Arabis glabra Geo. D. Butler 1908-6-23 122 Siskiyou Yreka Comment
  UC165312  Arabis holboellii Geo. D. Butler 1910-7-8 1663 Siskiyou Log Lake Shackleford Creek 1219 Comment
  HSC29174  Arabis holboellii var. retrofracta Frederick W. Oettinger 1969-7-11 992 Siskiyou Marble Mtn. Wilderness Area, near Half-way Spring, trail from English Lake to Diamond Lake 1829 Comment
  HSC40063  Arabis oregana J. P. Smith 1973-5-5 6426 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC90274  Arabis oregana D. L. Goforth 1980-6-27 645 Siskiyou Scott River, S of Deep Creek 732 Comment
  JEPS84109  Arabis oregana L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6415 Siskiyou ca 5 mi n Seiad Valley town (cirque at head of Hell's Canyon, e slope of Kangaroo Mountain); Kangaroo Mountain 1828 Comment
  HSC26562  Arabis platysperma J. P. Smith, J. O. Sawyer 1972-8-20 5754 Siskiyou Slope of Mt. Hoffman 2134 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
  HSC69259  Arabis platysperma J. O. Sawyer, J. Cole 1980-7-20 3743 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  HSC90566  Arabis puberula Jennifer Whipple 1977-7-20 1981 Siskiyou S face of Mt. Eddy draining into the N Fork of Sacramento River 2470 Comment
  CDA24663  Arabis sparsiflora F. D. Horn 1976-5-11 Siskiyou Shasta Vista Estates (Sheeprock area), Grenada. 0 Comment
  UC1076033  Arabis subpinnatifida Herbert L. Mason 1947-5-17 14796 Siskiyou above Scott Mountain Pass (Siskiyou-Trinity counties) Comment
  HSC90606  Arabis suffrutescens Jennifer Whipple 1977-7-22 2037 Siskiyou Mt. Eddy, Dobkins Lake drainage on E facing slopes above Dobkins Lake 2256 Comment
  HSC65083  Aralia californica J. P. Smith, Steve Selva 1970-6-14 3887 Siskiyou 1 mi. E of Steinacher Creek Rd. on Rd. to Forks of Salmon Comment
  UC933378  Aralia californica Annie M. Alexander and Louise Kellogg 1948-9-7 5587 A Siskiyou at small creek S. Fork Salmon River Siskiyou Mts., S. Fork Salmon River Comment
  HSC100205  Arbutus menziesii J. P. Smith, , J. O. Sawyer, & R. J. Cole 2011-5-22 13180 Siskiyou Matthews Campground on the Cecilville to Forks of Salmon Road. 640 Comment
  HSC27900  Arbutus menziesii Carl W. Mize 1972-9-23 120 Siskiyou Along Steinacher Creek Rd. above moist draw 610 Comment
  POM354175  Arceuthobium abietinum Louis C. Wheeler 1934-8-10 3102 Siskiyou Dead Cow Creek, Siskiyou Mtns. (Mt Diablo Mer.) 1890 Comment
  SEINET2471280  Arceuthobium abietinum R. L. Mathiasen 2007-8-9 2007 -33 Siskiyou Ca. 9.6 km from Stewart Hot Springs on forest road 17 1820 Comment
  RSA608669  Arceuthobium abietinum Louis C. Wheeler 1963-9-11 8384 Siskiyou Siskiyou Mountains: Dillon Creek, just N of hanging pond NE of Sawtooth Mountain. Comment
  SEINET2471230  Arceuthobium abietinum subsp. wiensii R. L. Mathiasen 2008-9-16 2008 -33 Siskiyou 18.4 km W. of Indian Creek road on forest road 17N11 1310 Comment
  UC1078862  Arceuthobium campylopodum Job Kuijt 1957-5-22 1370 Siskiyou 3.5 mi w Mcloud Comment
  CAS-BOT-BC410078  Arceuthobium douglasii Louis C. Wheeler 1934-6-25 2783 Siskiyou West Fork of Cottonwood Creek, Siskiyou Mountains 1371 Comment
  CAS-BOT-BC102221  Arctium minus Alice Eastwood 1912-7-21 1293 Siskiyou Sisson Comment
  CAS-BOT-BC27255  Arctostaphylos klamathensis T. Keeler-Wolf 1982-9-26 685 Siskiyou Terrace Lake 1950 Comment
  CAS-BOT-BC40016  Arctostaphylos nevadensis Albert Seneres; Nigel Harold; Stephen W. Edwards 1982-10-2 s.n. Siskiyou On southwest grassy spur of Deadwood Peak Comment
  CAS-BOT-BC45440  Arctostaphylos nevadensis H. A. Thomas; J. H. Thomas 1954-7-24 4506 Siskiyou Salmon-Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 mi. e. of Cecilville. 1828 Comment
  CAS-BOT-BC45443  Arctostaphylos nevadensis Roger Raiche; Kurt Zadnik 1982-10-12 20785 Siskiyou Eleven miles west-northwest of Yreka at Deadwood Lookout. 1706 Comment
  CDA15575  Arctostaphylos nevadensis G. F. Hrusa 1998-7-5 14683 Siskiyou Siskiyou Mountains; S side of pass on Happy Camp-O'Brien Rd. Calif. side of State Boundary, above Indian Ck. Camp. Comment
  HSC31992  Arctostaphylos nevadensis Steve Selva, Roger Jensen 1974-8-16 10 Siskiyou Above Sugar Lake Comment
  RSA47624  Arctostaphylos nevadensis Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11801 Siskiyou At Mule Creek crossing on Scott Mt. Road so. of Callahan. 1463 Comment
  RSA60638  Arctostaphylos nevadensis I. L. Wiggins 1950-5-28 12373 Siskiyou Above Grouse Creek, about 1.5 miles from Carmen Lake. 1585 Comment
  SEINET11989660  Arctostaphylos nevadensis A. Seneres, Harold, N.; Edwards, S. W. 1982-1 s.n. Siskiyou SW grassy spur of Deadwood Peak Comment
  CAS-BOT-BC46426  Arctostaphylos patula W. R. Dudley 1899-8-21 s.n. Siskiyou Willow Creek Rd. - Gazelle to Callahan's. Comment
  POM367393  Arctostaphylos patula L. C. Wheeler 1934-6-25 2781 Siskiyou West Fork Cottonwood Creek. Siskiyou Mts. 1280 Comment
  RSA47637  Arctostaphylos patula Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11771 Siskiyou About 6 miles from Etna on forks of Salmon Road. 1707 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
  CHSC117378  Arctostaphylos patula subsp. patula Richard R. Halse 2015-3-21 9325 Siskiyou Weed; southern part of city, west side of Interstate Hwy. 5, off of Mountain View Drive. 1083 Comment
  RSA15794  Arctostaphylos viscida subsp. viscida C. B. Wolf 1927-8-26 1028 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  SBBG5517  Arctostaphylos viscida subsp. viscida H. and M. Dearing 1939-6-3 3535 Siskiyou near Scott Bar 609 Comment
  UC1190137  Arctostaphylos viscida subsp. viscida Ira L. Wiggins 1955-7-23 13462 Siskiyou ridge w China Creek (s side of S Fork of Salmon River) 960 Comment
  UC82981  Arctostaphylos viscida subsp. viscida Dr. E. B. Copeland 1903-7-14 3519 Siskiyou Klamathon Comment
  UC166109  Arenaria congesta var. suffrutescens Geo. D. Butler 1910-6-5 1514 Siskiyou Log Lake Comment
  CAS-BOT-BC467190  Arenaria serpyllifolia var. serpyllifolia John Thomas Howell 1937-7-23 13351 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  RSA115689  Aristida oligantha Beecher Crampton 1956-8-20 3798 Siskiyou Ditch along US Hwy. 99, 1/2 mile south of Dunsmuir. Comment
  HSC2413  Arnica cordifolia William J. Ferlatte 1966-8-5 338 Siskiyou Caribou Mtn. 2470 Comment
  POM30864  Arnica discoidea Geo. D. Butler 1910-6-4 1492 Siskiyou Shackleford Creek. Comment
  SEINET10912115  Arnica diversifolia Andrew Townesmith, Karen M. Meyer 2007-7-30 Townesmith 877 Siskiyou Shasta-Trinity National Forest. Off county road A-10, mile 12.6 (from beginning of road in Mount Shasta City), Panther Meadow campground vicinity. T41N R3W S33. 2284 Comment
  CDA16952  Arnica latifolia G. F. Hrusa 1993-8-14 11398 Siskiyou Summit of pass betw. Happy Camp, Ca. and O'Brien, Or., just on Ca. side of state boundary. 1371 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
  HSC22153  Arnica mollis J. O. Sawyer 1969-8-4 1920 Siskiyou South Sugar Creek 2043 Comment
  HSC96404  Arnica mollis Gordon Leppig, J. Kalt 1996-7-9 349 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  RSA233707  Arnica mollis R. F. Thorne, Frederick W. Oettinger 1969-8-10 38974 Siskiyou S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  RSA237483  Arnica mollis Frederick W. Oettinger 1969-8-19 1470 Siskiyou 0.2 mi due NE of Charmaine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC49949  Arnica viscosa Muth, Overton 1979-8-12 13687 Siskiyou Near Cliff Lake, close to the town of Fort Jones 1952 Comment
  RSA184777  Arrhenatherum elatius Gilbert Muth 1966-8-1 487 Siskiyou Marble Valley Horse Pasture, Marble Mountains 1793 Comment
  UCR70774  Artemisia arbuscula L. C. Wheeler 1934-8-26 03226 Siskiyou Siskiyou Mtns, Trapper Creek, Siskiyou Mountains. 1982 Comment
  SEINET5712658  Artemisia campestris subsp. borealis J. M. Tucker, L. K. Mann; Sandra L. Holloway 1963-1 3750 Siskiyou Southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area.; Marble Mountain Wild. Area 2134 Comment
  CAS-BOT-BC90479  Artemisia douglasiana John Thomas Howell 1939-8-8 15147 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC90475  Artemisia douglasiana Geo. D. Butler 1910-7-29 1798 Siskiyou Dampland, Yreka Comment
  UCD129319  Artemisia douglasiana Collector Unknown Date Unknown s.n. Siskiyou Exact location unknown. Comment
  CAS-BOT-BC97250  Artemisia ludoviciana J. P. Smith; J. O. Sawyer 1973-8-14 7324 Siskiyou Hillside west of Cliff Lake 2011 Comment
  UC630385  Artemisia norvegica subsp. saxatilis Annetta Carter 1939-8-21 1471 Siskiyou steep slope above se end Taylor Lake (12 mi sw of Etna); Salmon Mountains 2194 Comment
  CAS-BOT-BC447716  Aruncus dioicus var. vulgaris Doris K. Kildale 1928-8-18 6425 Siskiyou North Fork Salmon River at Finley Camp Comment
  RSA134151  Aruncus vulgaris Percy C. Everett, E. K. Balls 1959-10-24 23950 Siskiyou 7.4 miles NW from Forks, along Salmon River, Sawyers Bar to Somes Bar. 244 Comment
  HSC69500  Asarum caudatum John Palmer 1980-8-13 779 Siskiyou Klamath National Forest, Dead Cow Creek near F.S. Rd. 47N44 from Beaver Creek Rd. 1616 Comment
  UC1409250  Asarum caudatum Frederick W. Oettinger 1968-8-14 510 Siskiyou alder thicket 100 yards downstream from Tom Tayler Cabin spring 2011 Comment
  CAS-BOT-BC400692  Asarum hartwegii J. H. Thomas 1954-5-13 4132 Siskiyou Southwestern Siskiyou County. Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Vicinity of Blind Horse Creek 1066 Comment
  CAS-BOT-BC400690  Asarum hartwegii L. E. Smith 1913-6-2 327 Siskiyou Castle Crags Comment
  UC220787  Asclepias cordifolia H. E. Brown Jun 11 1897-Jun 16 1897 371 Siskiyou n side Mt. Shasta 1524 Comment
  SEINET10961631  Asclepias cordifolia George D. Butler 1910-5-23 Butler 1396 Siskiyou Humbug Mountain 1219 Comment
  RSA747344  Asclepias speciosa K. M. Meyer, A. Townesmith 2007-7-31 173 Siskiyou Shasta-Trinity National Forest, 5.3 mi. on NF rd. 17, off US Hwy. 97, turn out right before foest road 42N19 1298 Comment
  UC164147  Asclepias speciosa Geo. D. Butler 1910-8-5 1813 Siskiyou near Yreka Comment
  UCD121377  Asclepias speciosa K. M. Meyer; A. Townesmith 2007-7-31 173 Siskiyou Shasta-Trinity National Forest. 5.3 mi. on NF Rd. 17, off US Hwy. 97, turn out right before forest rd. 42N19. 1298 Comment
  RSA792295  Aspidotis densa Rebecca Wenk 2008-7-25 957 Siskiyou Trail from where the Pacific Crest Trail crosses Forest Highway 93/Cecilville Road to Hidden Lake. 1890 Comment
  HSC36658  Aspidotis densa Brent Whiteley 1975-6-21 20 Siskiyou 223 Comment
  HSC46226  Astragalus californicus Jennifer Whipple 1978-6-5 2337 Siskiyou Weston Gulch in Scott Valley 854 Comment
  POM204045  Astragalus californicus Alice Eastwood 1934-4-20 1743 Siskiyou Near Yreka on Ft. Jones road. Comment
  SEINET10687772 Image available Astragalus californicus Edward L. Greene Greene 764 Siskiyou Yreka. Comment
  UCD104695  Astragalus curvicarpus M. F. Wojciechowski; M. J. Sanderson 1998-6-17 809 Siskiyou Roadside, along US highway 97 at California-Oregon border. Comment
  CAS-BOT-BC177863  Astragalus curvicarpus var. curvicarpus Wm. Bridge Cooke 1940-6-4 15013 Siskiyou Along the Bolam Road Comment
  CAS-BOT-BC177864  Astragalus curvicarpus var. curvicarpus A. A. Heller 1905-6-19 8066 Siskiyou Grenada Station Comment
  RSA415582  Astragalus lentiginosus var. platyphyllidius M. O'Mera 1974-5-27 485 Siskiyou Along road 47N03 1280 Comment
  HSC76923  Astragalus purshii var. lectulus K. T. Stillman 1976-6-26 137 Siskiyou Marble Mountain Wilderness Area, Kings Castle. 2134 Comment
  UCD105232  Astragalus purshii var. lectulus A. H. Murphy 1958-8-6 58 I Siskiyou Red Mt. (Boulder Pk.) Marble Mts., Klamath National Forest. 2529 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
  RSA110925  Astragalus purshii var. tinctus R. C. Barneby 1954-5-15 11501 Siskiyou 3 miles N of Edgewood. 1204 Comment
  HSC100275  Astragalus whitneyi J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13073 Siskiyou Klamath National Forest, along road to botanical area off Forest Service Road 40N24 to Crater Lake. 1860 Comment
  CHSC81502  Astragalus whitneyi var. confusus Ann Willyard 2000-6-21 744 Siskiyou On private ranch ca. 3 air mi n Lake Shastina, ca. 3 air mi e Interstate 5; ca. 1 air mi w Hole-in-the-Ground Springs. UTM: 10 547700 E 4602900 N. 792 Comment
  CAS-BOT-BC198709  Astragalus whitneyi var. siskiyouensis R. C. Barneby 1954-5-17 11536 Siskiyou Scott Mts. 5 miles above Callahan 1264 Comment
  JEPS84260  Astragalus whitneyi var. siskiyouensis L. R. Heckard with J. Hickman et al. 1986-7-17 6456 Siskiyou ca 5 mi n of the town Seiad Valley (ridge e of Kangaroo Peak, s of Lily Pad Lake); e of Kangaroo Peak, s of Lily Pad Lake, n of Seiad Vally 1900 Comment
  HSC58853  Asyneuma prenanthoides Marvin Butler 1971-8-11 297 Siskiyou Near El Capitan Lake, close to the town of Cave Junction. 1585 Comment
  HSC65311  Asyneuma prenanthoides J. P. Smith, Steve Selva 1970-7-15 4340 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  RSA693556  Athyrium americanum M. B. Dunkle 1945-07 s.n. Siskiyou Klamath National Forest; Marble Mts. Comment
  HSC23598  Athyrium distentifolium var. americanum J. O. Sawyer 1969-8-2 1717 Siskiyou E facing slope SW of Little Duck Lake 2241 Comment
  SBBG54353  Athyrium distentifolium var. americanum D. Copeland 1903-8-16 3917 Siskiyou Mt Shasta 2377 Comment
  HSC61203  Athyrium distentifolium var. americanum Al Hobart Siskiyou El Capitan Comment
  CAS-BOT-BC66198  Athyrium filix-femina var. cyclosorum John Thomas Howell 1939-8-3 14988 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC375286  Athysanus pusillus Geo. D. Butler 1909-3-14 556 Siskiyou near Yreka Comment
  CAS-BOT-BC17617  Athysanus pusillus Alice Eastwood 1920-5-18 11820 Siskiyou Shasta Springs. Comment
  CDA23336  Atriplex triangularis R. Pederson, G. Pederson 1979-9-26 112 Siskiyou Lower Klamath National Wildlife Refuge, Unit 3. Comment
  CAS-BOT-BC106546  Balsamorhiza deltoidea L. E. Smith 1914-4-25 641 Siskiyou Yreka Comment
  CAS-BOT-BC106550  Balsamorhiza deltoidea Doris K. Kildale 1929-3-10 7773 Siskiyou Klamath River at Hornbrook 609 Comment
  UCD81185  Balsamorhiza hookeri Steve Orloff 2009-3-31 s. n. Siskiyou exact location unknown. Comment
  POM36318  Balsamorhiza terebinthacea Geo. D. Butler 1910-5-11 1337 Siskiyou Shasta Valley Comment
  CAS-BOT-BC16685  Barbarea orthoceras John Thomas Howell 1939-8-10 15273 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  CAS-BOT-BC16689  Barbarea orthoceras Doris K. Kildale 1929-7-20 8700 Siskiyou Raspberry Lake. South Fork India[n] Creek. Comment
  HSC203  Barbarea orthoceras William J. Ferlatte 1966-6-22 94 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  CAS-BOT-BC16806  Barbarea verna Alice Eastwood 1921-7-24 10718 Siskiyou Castella. Comment
  CDA40531  Barbarea vulgaris Michael Pitcairn 2014-4-3 s.n. Siskiyou On private farm off Holzhauser Road, east of Etna. Comment
  HSC41073  Berberis aquifolium var. repens J. O. Sawyer 1970-3-4 2076 Siskiyou N of Idlewild Campground. 762 Comment
  HSC65093  Berberis aquifolium var. repens J. P. Smith 1973-5-5 6436 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC75921  Berberis piperiana Doris K. Kildale 1929-5-12 7780 Siskiyou Sawyers Bar North Fork of Salmon River. Comment
  CAS-BOT-BC75997  Berberis pumila Laura M. Lathrop 1903-7-16 s.n. Siskiyou Shasta Retreat. Comment
  UCD127249  Berula erecta T. F. O' Sullivan 1935-9-10 s.n. Siskiyou Dorris. Comment
  RSA45329  Betula occidentalis Dorothy Parker 1947-4-27 177 Siskiyou Along the banks of the East Fork of Scott River, Plowmans Valley. 1159 Comment
  JEPS24810  Bidens cernua Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6819 Siskiyou 7 mi e Callahan 1127 Comment
  RSA608433  Bidens cernua L. C. Wheeler 1935-7-3 3648 Siskiyou 2 mi nw of Montague (Shasta River); Shasta River. 761 Comment
  CAS-BOT-BC413083  Bistorta bistortoides Wm. Bridge Cooke 1940-6-8 15127 Siskiyou In Mount Shasta City along an irrigation canal Comment
  CHSC36146  Blepharipappus scaber K. Bridwell; D. Bateman 1978-7-6 170 Siskiyou N slope of Sheep Mountain, ca. 10 mi e of Macdoel. 1645 Comment
  HSC2267  Blepharipappus scaber Geo. D. Butler 1910-5-17 1355 Siskiyou Yreka Comment
  HSC85694  Blepharipappus scaber J. P. Smith 1980-8-24 10346 Siskiyou Klamath National Forest. SR 3, 2.7 miles from Scott Mtn. summit, at road to Carmen Lake 1341 Comment
  JEPS22627  Blepharipappus scaber Duncan Dunning 1922-6-5 Siskiyou nw of Fort Jones (Moffett Creek); Moffett Creek Comment
  UC1076190  Blepharipappus scaber Herbert L. Mason 1931-5-9 5873 Siskiyou 4 mi n of Dunsmuir Comment
  CAS-BOT-BC127927  Blepharipappus scaber David D. Keck 1938-8-8 4861 Siskiyou On hillside 0.4 mi. S. of Scott Mt. Lodge, near Mill Creek, Scott Mts. 1040 Comment
  RSA120894  Blepharipappus scaber Milo S. Baker 1957-6-16 13125 Siskiyou Scott Mountain. 1616 Comment
  UC198721  Boechera Annie M. Alexander and L. Kellogg 1911-6-17 152 Siskiyou Jackson Lake 1798 Comment
  JEPS53050  Boechera breweri subsp. breweri Geo. D. Butler 1909-5-14 726 Siskiyou Klamath River Comment
  CHSC102558  Boechera howellii L. P. Janeway 2009-8-3 9885 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 1.3 air km southwest of Brewer Creek Trailhead; about 0.3 km south of Brewer Creek. 2560 Comment
  UCD77348  Boechera howellii Robert E. Preston 2001-6-30 1647 b Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W nw 1/4 of se 1/4 Section 14 1889 Comment
  CAS-BOT-BC14274  Boechera pinetorum John Thomas Howell 1937-7-21 13153 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC14272  Boechera pinetorum John Thomas Howell 1937-7-29 13675 Siskiyou North slope of Scott Mountains. 1676 Comment
  CAS-BOT-BC14666  Boechera rectissima Alice Eastwood 1921-7-30 11003 Siskiyou Soda Creek. Comment
  CHSC464  Boechera subpinnatifida E. England 1939-7-16 Siskiyou Mt. Eddy. Comment
  CAS-BOT-BC25915  Boechera suffrutescens John Thomas Howell 1937-7-24 13379 Siskiyou Salmon Trinity Alps. Caribou Basin. 2286 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
  UC662434  Botrychium pumicola W. Bridge Cooke 1941-8-21 16223 Siskiyou basin near the spur on S bank of Diller Canyon, W side of Shastina Mount Shasta 2751 Comment
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Jul 3 2007
  CAS-BOT-BC418458  Boykinia major Doris K. Kildale 1929-8-23 8806 Siskiyou Youngs Valley on trail to Preston Peak Comment
  HSC101473  Boykinia major J. P. Smith, J. O. Sawyer 2011-7-21 13039 Siskiyou Near Dillon Camp 1358 Comment
  HSC297  Boykinia major William J. Ferlatte 1966-8-17 395 Siskiyou Caribou Basin 1982 Comment
  UC1190155  Boykinia major Ira L. Wiggins 1955-7-29 13588 Siskiyou along Thompson Creek 3.5 mi above South Fork of Salmon River; about South Fork of Salmon River, Thompson Creek 1371 Comment
  CAS-BOT-BC27803  Brickellia greenei Edward Lee Greene 1876-8-24 s.n. Siskiyou Scott Mountains Comment
  JEPS7663  Brodiaea elegans subsp. elegans Geo. D. Butler 1909-6-13 891 Siskiyou Oro Fino Comment
  HSC77235  Brodiaea elegans subsp. elegans L. P. Janeway 1983-7-17 428 Siskiyou Near FS 18N33 about 3/4 mi. from the Grayback Rd. 1006 Comment
  POM109930  Brodiaea elegans subsp. elegans Geo D. Butler 1910-5-28 1421 Siskiyou Near Yreka. Comment
  UCD58256  Bromus carinatus R. Tofsrud 1948-8-1 s.n. Siskiyou From Happy Camp to O'Brien, Oregon. Comment
  CAS-BOT-BC149055  Bromus carinatus var. carinatus L. P. Janeway 1983-8-26 591 Siskiyou Siskiyou Mountains. At Poker Flat. 1524 Comment
  JEPS69151  Bromus carinatus var. carinatus Geo. D. Butler 1909-6-22 842 Siskiyou Goosenest foothills Comment
  JEPS73754  Bromus carinatus var. carinatus Geo. D. Butler 1909-6-2 814 Siskiyou near Yreka Comment
  UC1265361  Bromus carinatus var. carinatus F. W. Oettinger 1969-8-18 1424 Siskiyou Horse Range Lake, Salmon Mountains, western Siskiyou County Horse Range Lake; Salmon Mountains, Horse Range Lake 1821 Comment
  HSC30547  Bromus carinatus var. marginatus Frederick W. Oettinger 1969-8-18 1424 Siskiyou Marble Mtn. Wilderness Area, Horse Range Lake 1822 Comment
  UC1255319  Bromus diandrus Dorothy Parker 1949-6-16 323 Siskiyou at the entrance to McConahue Gulch (Scott Valley); Scott Valley 853 Comment
  UCD59486  Bromus diandrus P. B. Kennedy 1923-7-29 s.n. Siskiyou By Camp Sisson. Comment
  JEPS69187  Bromus hordeaceus Geo. D. Butler 1909-6-5 825 Siskiyou meadow near Yreka Comment
  HSC30540  Bromus orcuttianus Frederick W. Oettinger 1968-9-2 664 Siskiyou Marble Mountain Wilderness Area, on the SW side of Upper English Lake 1869 Comment
  SEINET3923251  Bromus orcuttianus R. E. Frenkel 1963-7-13 227 Siskiyou On Everitt Memorial Hwy. 4.7 miles north of McCloud River RR crossing. Along both sides of road.; 0 1545 Comment
  CAS-BOT-BC185596  Bromus tectorum Roxana S. Ferris; Laura Lorraine 1941-8-11 10498 Siskiyou Grass Lake Station, on U.S. Highway 97. 1554 Comment
  UCD59948  Bromus tectorum A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3382 Siskiyou 2 miles south of Doris, on Hwy. 97. Comment
  CAS-BOT-BC185383  Bromus vulgaris Annetta Carter 1934-8-13 708 Siskiyou Watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest. 1463 Comment
  CAS-BOT-BC273225  Cacaliopsis nardosmia Marion Ownbey; S. J. Preece, Jr. 1952-6-25 s.n. Siskiyou Along ridge road to Deadwood Lookout, mountains west of Yreka Comment
  CAS-BOT-BC185270  Calamagrostis koelerioides G. L. Stebbins 1972-7-3 9008 Siskiyou South side of Red Butte, west of Cook and Green Pass. 1767 Comment
  POM353039  Calamagrostis koelerioides M. B. Dunkle 1945-7-22 9239 Siskiyou Marble Mts., Klamath National Forest. Comment
  UCD57332  Calamagrostis koelerioides Geo. D. Butler 1910-7-7 1651 Siskiyou Shackleford Creek. Comment
  UCD57335  Calamagrostis koelerioides Beecher Crampton 1956-8-21 3825 Siskiyou the headwater of the south fork of the Sacramento River, 1/2 mile northeast of Gumboot Lake. 1767 Comment
  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
  HSC19314  Callitropsis nootkatensis J. O. Sawyer 1968-9-10 675 Siskiyou Near top of Preston Peak 1524 Comment
  HSC31982  Callitropsis nootkatensis Steve Selva, Roger Jensen 1974-8-23 40 Siskiyou Devils Punchbowl Comment
  HSC33963  Calocedrus decurrens J. P. Smith 1974-5-25 7431 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  NY18933  Calocedrus decurrens A. A. Heller 1915-8-26 12254 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
  RSA184686  Calocedrus decurrens Gilbert Muth 1966-8-3 495 Siskiyou Marble Valley Meadow, Marble Mtns. 1793 Comment
  NY18935  Calocedrus decurrens E. B. Copeland 1903-8-13 3913 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  HSC77046  Calochortus coeruleus K. T. Stillman 1976-6-25 31 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  JEPS17831  Calochortus coeruleus Joseph P. Tracy 1935-4-4 14524 Siskiyou 5 mi e Mary Blaine Mt. (Snow Prairie at summit of ridge, extreme head of Plummer Creek); Snow Prairie, Plummer Creek 1859 Comment
  UC593511  Calochortus coeruleus E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1993 Siskiyou 1.5 mi w Mt Shasta City (spur of Rainbow Ridge above Sulloway Creek); Rainbow Ridge 1188 Comment
  JEPS105052  Calochortus elegans Dean W. Taylor 1996-7-7 15802 Siskiyou Salmon Mountains; Ruffey Lakes (about 8 air miles southwest of Etna), in cirque above the upper lake; Klamath National Forest 2072 Comment
  HSC44581  Calochortus elegans var. nanus Laura Witherspoon 1977-6-22 Siskiyou Off G-O Rd. at the boundary of Humboldt-Siskiyou Counties 1494 Comment
  CAS-BOT-BC132415  Calochortus greenei F. T. Callahan II 1989-9-1 s.n. Siskiyou NNW. of Iron Gate Res. 609 Comment
  HSC44990  Calochortus nudus J. P. Smith, Steve Selva 1970-7-27 4521 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  JEPS55632  Calochortus nudus Wayne Roderick 1966-6-26 Siskiyou Castle Lake Camp 1676 Comment
  UCD63043  Calochortus nudus Daniel Sanchez-Mata; Tomas Santamaria 2006-7-26 s.n. Siskiyou Weed. Rail Creek Road from Gazelle-Callahan Road. Kangaroo Lake. Kangaroo Lake Botanical Area. The Fen Trail. Scott Mountains, Klamath National Forest. 1850 Comment
  RSA211388  Calochortus nudus William J. Ferlatte 1966-8-3 272 Siskiyou Josephine Lake basin. Trinity Alps. 1677 Comment
  RSA249716  Calochortus nudus 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
  CAS-BOT-BC494023  Calochortus tolmiei W. B. C. 1938-7-1 11154 Siskiyou Above Bear Spring( Transition) 1600 Comment
  CHSC38987  Calycadenia ciliosa J. D. Jokerst 1983-7-21 1865 A Siskiyou At Wiley Ranch, ca center of the E edge. Comment
  RSA255552  Calycadenia ciliosa Gerald D. Carr 1974-9-12 783 Siskiyou 0.4 miles east of Somesbar on Etna-Somesbar Road Comment
  JEPS81792  Calycadenia fremontii Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6816 Siskiyou 7 mi e Callahan 1127 Comment
  CAS-BOT-BC273386  Calycadenia fremontii G. D. Carr 1974-9-11 780 Siskiyou 2.0 mi NE of Callahan on Gazelle-Callahan Rd 1007 Comment
  HSC2263  Calycadenia truncata Geo. D. Butler 1910-7-30 1801 Siskiyou near Yreka Comment
  POM52739  Calycadenia truncata subsp. scabrella Geo. D. Butler 1910-7-30 1801 Siskiyou Near Yreka. Comment
  HSC45198  Calypso bulbosa J. O. Sawyer, E. Cope 1977-6-21 2983 Siskiyou Near Prescott Peak 1677 Comment
  JEPS52540  Calyptridium umbellatum Willis L. Jepson 1894-8-4 Siskiyou Mount Shasta, Niel's Camp Niel's Camp; Mount Shasta, Niel's Camp Comment
  CAS-BOT-BC221257  Calystegia malacophylla subsp. malacophylla Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  UC1185276  Calystegia malacophylla subsp. malacophylla H. E. Brown June 1-10 1897 397 Siskiyou near Sisson; near Sisson 1083 Comment
  HSC36667  Calystegia occidentalis Brent Whiteley 1975-6-23 47 Siskiyou 223 Comment
  POM109509  Camassia quamash subsp. breviflora Geo D. Butler 1909-6-22 891 Siskiyou Goose nest meadows 1524 Comment
  CDA3582  Camelina microcarpa T. C. Fuller 1962-6-11 8959 Siskiyou East side of Hwy 99 to Black Butte Summit, 4.1 miles south of Weed. 0 Comment
  CAS-BOT-BC160909  Camissonia tanacetifolia subsp. tanacetifolia A. A. Heller 1922-7-15 13714 Siskiyou Along the shore of Medicine Lake 2133 Comment
  UC29014  Campanula prenanthoides Milo S. Baker 1893-6 Siskiyou 6 mi below Barthes; McCloud River Comment
  SEINET10463007  Campanula prenanthoides Young 1921-9-15 YOUNG ? Siskiyou ETNA MILLS Comment
  SEINET10905892  Campanula prenanthoides Condit 1911-7-3 CONDIT s.n. Siskiyou SHASTA RETREAT, COMMON ALONG RR & ON MTN SIDES Comment
  SEINET10905935  Campanula prenanthoides Alice Eastwood 1912-7-23 Eastwood 1334 Siskiyou Cantara Comment
  JEPS104783  Campanula rotundifolia Dean W. Taylor 1996-7-11 15780 Siskiyou Scott Mountains; West Park Lakes (about 15 air miles west of Weed); Shasta-Trinity National Forest 2194 Comment
  RSA697273  Campanula rotundifolia D. W. Taylor 1996-7-11 15780 Siskiyou Klamath Mountains. Scott Mountians; West Fork Parts Creek (about 15 air miles west of Weed and 1 air miles West of Stewart Springs) Shasta- Trinity National Forest; 1329 Comment
  RSA22036  Campanula rotundifolia J. T. Howell 1939-8-4 15046 Siskiyou Marble Rim, Marble Mts 1890 Comment
  CAS-BOT-BC266452  Campanula scabrella Arthur Menzies 1962-6-21 s.n. Siskiyou Mount Eddy 2529 Comment
  SEINET10972072  Campanula scabrella Muth 1978-8-1 MUTH 6957 Siskiyou Near Cory Peak, on the China Mountain quadrangle, close to the town of Callahan 2195 Comment
  SEINET10463380  Campanula scabrella A. Arthur Heller 1920-7-9 Heller 13428 Siskiyou MT. EDDY, HIGH UP IN GRAVEL ON THE LONG BARE EASTERN SLOPE 2438 Comment
  SEINET10463385  Campanula scabrella Menzies 1962-7-21 MENZIES s.n. Siskiyou Mount Eddy 2530 Comment
  HSC69419  Campanula scouleri John Palmer 1980-8-13 769 Siskiyou Dead Cow Creek, near USFS Rd. 47N44, Beaver Creek Rd. 1616 Comment
  SEINET10463790  Campanula scouleri Ground 1970-7-22 GROUND 685 Siskiyou Preston Peak, Klamath National Forest: Raspberry Creek. Montane coniferous forest. 1494 Comment
  SEINET10872957  Campanula scouleri Louis Krautter 1905-7-7 Krautter s.n. Siskiyou NEAR SISSON, DENSE WOODS 1067 Comment
  SEINET10905977  Campanula scouleri David D. Keck 1938-8-6 Keck 4808 Siskiyou At Del Norte County line, Poker Flat, summit of Siskiyou Mountains, 4 miles south of Oregon line on road from Waldo to Happy Camp 1555 Comment
  CHSC99588  Campanula shetleri L. P. Janeway 2008-7-22 9448 Siskiyou Klamath Ranges. Between the Trinity Mountains, Castle Crags, and The Eddys; narrow ridge between Hart Lake and Little Castle Lake. Growing in rocky cracks in very steep north-facing granite outcrop. 1871 Comment
  JEPS74417  Campanula wilkinsiana W. J. Ferlatte 1967-8-22 1099 Siskiyou Kidd Creek Trail; Trinity Alps 2133 Comment
  SEINET10463885  Campanula wilkinsiana Cooke 1928-9-8 COOKE 11665 Siskiyou MOUNT SHASTA; SQUAW CREEK MEADOWS, OCC. IN THE HEATHER NR UPPER END OF MEADOWS 2591 Comment
  SEINET10840063  Campanula wilkinsiana Ditomaso 1980-8-21 DITOMASO 1893 Siskiyou Open area nest to Kidd Creek, in Kedd Creek Meadows, Trinity Alps Primitive Area 2042 Comment
  UC631649  Campanula wilkinsiana M. D'Evelyn 1931-8-10 Siskiyou creek bed near Red Cap; Mount Shasta 2438 Comment
  UC726667  Capsella bursa-pastoris A. A. Heller 1916-6-20 12417 Siskiyou ne base of Mount Eddy, Metcalf's Ranch Mount Eddy; , Metcalf's Ranch 1188 Comment
  HSC63072  Cardamine californica David Wheeler 1979-4-1 8 Siskiyou Matthews Creek Campground, S Fork of the Salmon River, between Cecilville and Forks of Salmon Comment
  UC375296  Cardamine californica Geo. D. Butler 1909-4-11 649 Siskiyou Shasta Springs Comment
  HSC40061  Cardamine oligosperma J. P. Smith, Steve Selva 1970-6-15 3955 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  CDA38722  Carduus acanthoides Tanya Chapple 2012-7-26 PDR# 470 P06027587 Siskiyou Dillon watershed, west of Dillon Mountain. Comment
  CDA6890  Carduus nutans R. S. Richards 1965-7-27 Siskiyou Between Mt Shasta & Highway 99, ca 2 miles north of Mt Shasta City. 0 Comment
  JEPS88666  Carex Dean Wm. Taylor with Glenn L. Clifton and Rexford E. Palmer 1987-6-7 9027 Siskiyou 0.7 mi w Stud Hill 1645 Comment
  CAS-BOT-BC19761  Carex abrupta John Thomas Howell 1939-8-5 15066 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  UCD140054  Carex abrupta Lewis S. Rose 1937-7-3 37393 -A Siskiyou Weed, CA. 944 Comment
  UCR52390  Carex amplifolia L. P. Janeway 1982-6-27 27 Siskiyou Marshy area c. 125 m SE of Johnson Creek on the SW side of Elk Creek Trail. 732 Comment
  CAS-BOT-BC17993  Carex aquatilis W. J. Ferlatte 1966-8-3 278 Siskiyou Josepine Lake Basin. 1920 Comment
  CHSC75766  Carex aurea Vernon H. Oswald; Lowell Ahart 1999-7-5 9817 Siskiyou Hwy. 3 4.0 mi southeast of Gazelle-Callahan Hwy. 1365 Comment
  CHSC52743  Carex bolanderi L. P. Janeway 1983-5-28 314 Siskiyou Drainage ditch along Road 44N45 ca 1/2 mi SW of Indian Scotty Campground. 822 Comment
  CHSC96545  Carex brainerdii L. P. Janeway 2006-7-2 8729 Siskiyou Klamath Ranges. Salmon Mountains; near minor drainage to South Fork Scott River from the west, 1.6 km north of Carter Meadows Summit. 1728 Comment
  SD71330  Carex breweri B. B. Chistman 1966-7-4 Siskiyou Mt. Shasta. 3657 Comment
  UC196157  Carex densa Geo. D. Butler 1909-7-10 809 Siskiyou along creek below Yreka Comment
  HSC96592  Carex echinata subsp. echinata Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-19 488 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  CAS-BOT-BC20129  Carex feta H. A. Thomas; J. H. Thomas 1954-7-21 4417 Siskiyou Salmon-Trinity Mountains. About 6 miles SE of Cecilville. West side of Rush Creek. 1158 Comment
  UC55223  Carex feta H. M. Hall and E. B. Babcock June, 1903 4061 Siskiyou Sisson Sierra Nevada Mountains, Mount Shasta 1066 Comment
  JEPS25580  Carex fracta Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7209 Siskiyou w slopes of broadening base of Mt. Shasta Mt. Shasta 1676 Comment
  UC618860  Carex fracta W. Bridge Cooke 1938-6-24 11085 Siskiyou McBride Springs Mount Shasta 1524 Comment
  CHSC40187  Carex globosa L. P. Janeway 1983-7-17 415 Siskiyou At edge of rd 18N33 ca 7 mi from the Grayback Rd. 1463 Comment
  CHSC82813  Carex halliana L. P. Janeway 2002-7-13 7634 Siskiyou High Cascade Range. 1.6 km southeast of southeast corner of Medicine Lake; east side of Road 49 (44N75) 0.2 km north of Road 44N17. Drainage below the road. 2067 Comment
  UC833774  Carex halliana A. A. Heller 1922-7-15 13689 Siskiyou at Medicine Lake Medicine Lake 2133 Comment
  RSA530123  Carex halliana D. W. Taylor, Glenn L. Clifton, Stone 1987-8-6 9248 Siskiyou Medicinne Lake, extreme NE portion of county; T43N R3E Sec 10, about 300 NW of USGS guard station on road to Little Mt. Hoffman 2040 Comment
  CAS-BOT-BC22296  Carex hassei John Thomas Howell 1937-7-23 13334 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  SEINET7485275 Image available Carex hassei Peter F. Zika 2009-1 24535 Siskiyou near Pacific Crest Trail, Route 3, Scott Mountain Summit 1640 Comment
  SEINET13371885  Carex inops subsp. inops D. W. Taylor 2014-5-29 21481 Siskiyou Mt. Shasta, southeastern flank of the base of the mountain, Squaw Valley Creek watershed 1664 Comment
  HSC59014  Carex integra Marvin Butler 1971-7-7 40 Siskiyou Near Porcupine Meadow, close to the town of Cave Junction 2073 Comment
  SEINET7562453 Image available Carex integra L. P. Janeway 2006-7-4 8790 Siskiyou Scott Mountain 7.5' Quad. Klamath Ranges. Scott Mountain, Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  CHSC113777  Carex klamathensis Barbara L. Wilson; Richard E. Brainerd 2010-8-10 16313 Siskiyou Klamath National Forest, along road 41N03, about 1.5 miles from road 2H001. 1591 Comment
  CAS-BOT-BC7578  Carex laeviculmis Doris K. Kildale 1928-8-19 6521 Siskiyou English Lake, head of north Fork of Salmon River Comment
  RSA237328  Carex laeviculmis Frederick W. Oettinger 1968-9-9 799 Siskiyou Along stream that runs from Tom s Upper Pond to Tom s Lower Pond. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC31305  Carex lenticularis var. impressa Annetta Mary Carter 1939-8-20 1461 Siskiyou NW side of Taylor Lake, 12 mi SW of Etna, Salmon Mountains. 2026 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
  CAS-BOT-BC31436  Carex leporinella Louis C. Wheeler 1934-8-9 3087 Siskiyou Jaynes Canyon. 1981 Comment
  CHSC96602  Carex luzulina L. P. Janeway 2006-7-2 8733 Siskiyou Klamath Ranges. Salmon Mountains; near minor drainage to South Fork Scott River from the west, 1.6 km north of Carter Meadows Summit. 1728 Comment
  JEPS121605  Carex luzulina Jennifer Buck, Deborah Stout 2011-8-23 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys, near Toad Lake. Sloping wet meadow in lodgepole pine forest on ultramafic soil. E aspect. Mount Eddy quadrangle. TL03B Comment
  HSC60834  Carex mertensii Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC39090  Carex microptera D. H. Norris May 1970 12261 Siskiyou Haypress Meadows, Marble Mtn. Wilderness Area Comment
  HSC37143  Carex multicaulis J. O. Sawyer 1968-6-25 312 Siskiyou Along Horse Range Creek 1829 Comment
  HSC45960  Carex multicaulis J. P. Smith 1973-5-5 6395 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  CAS-BOT-BC32220  Carex multicostata Rimo Bacigalupi; Mr. VanDeventer; Mrs. VanDeventer 1959-7-10 7303 Siskiyou Meadow at Twin Valley, Siskiyou Mts. just E of Del Norte County line. 1493 Comment
  HSC77037  Carex multicostata K. T. Stillman 1976-6-17 18 Siskiyou Marble Mountain Wilderness Area, head of Elk Valley 1768 Comment
  JEPS119369  Carex nardina Dana York 2011-9-8 3087 Siskiyou Klamath National Forest, slopes of Kings Castle. Comment
  UC1265346  Carex nigricans Frederick W. Oettinger 1968-8-2 358 Siskiyou e end Diamond Lake; Salmon Mountains, Marble Mountain Wilderness Area 2072 Comment
  CAS-BOT-BC119201  Carex pachystachya A. A. Heller 1922-7-15 13708 Siskiyou Wet sandy soil in the meadow at Medicine Lake. 2133 Comment
  CAS-BOT-BC119127  Carex phaeocephala William Bridge Cooke 1939-7-26 13756 Siskiyou Along summit trail above timberline (Merriam's) Mount Shasta. 3048 Comment
  RSA715932  Carex praegracilis L. Ahart, John Dittes 2005-6-10 12108 Siskiyou 30yards 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. 777 Comment
  SDSU11712  Carex raynoldsii D. F. Howe 1964-8-4 3931 Siskiyou Meadow, Medicine Lake, Modoc National Forest. 2012 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
  HSC76834  Carex rostrata L. P. Janeway 1982-9-3 183 Siskiyou Inlet to Little Carmen Lake 1768 Comment
  HSC76827  Carex scabriuscula L. P. Janeway 1982-8-14 137 Siskiyou Just E of Elk Wallow 1646 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
  HSC91264  Carex scopulorum Jennifer Whipple 1977-8-6 2213 Siskiyou Mt. Eddy, SW of Dobkins Lake along drainage into the lake 2195 Comment
  RSA238966  Carex scopulorum Frederick W. Oettinger 1968-8-2 353 Siskiyou South end of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  HSC30556  Carex spectabilis Frederick W. Oettinger 1968-9-5 709 Siskiyou Marble Mtn. Wilderness Area, S end of Diamond Lake 2073 Comment
  SEINET7575714 Image available Carex spectabilis Frederick W. Oettinger 1969-9-2 1601 a Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area, Bear Meadow above Tom Taylor Cabin. 2164 Comment
  CAS-BOT-BC115853  Carex subfusca Cyrus Guernsey Pringle 1881-8-17 s.n. Siskiyou Mt. Shasta 2438 Comment
  CAS-BOT-BC115854  Carex subfusca Louis C. Wheeler 1934-6-22 2754 Siskiyou Cottonwood Creek, Siskiyou Mts. Mt. Diablo Mer. 914 Comment
  CAS-BOT-BC115861  Carex subfusca 1902-9-8 5129 Siskiyou Horse Camp. Mt. Shasta 2590 Comment
  JEPS102934  Carex subfusca L. P. Janeway 2002-7-12 7628 Siskiyou High Cascade Range. Along Ash Creek 5.0 km south of summit of Ash Creek Butte, about 0.8 km northwest of The Ford 1561 Comment
  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
  CHSC114090  Carex utriculata Danielle Roach 2011-9-13 CLB_C Siskiyou Bogbean Fen, Caldwell Lakes Basin, headwaters of Parks Creek, east slope of China Mountain; UTM Zone 10N, 536883E 4580493N. 2040 Comment
  SEINET10748613  Carex vesicaria A. Arthur Heller 1940-7-24 Heller 15763 Siskiyou Wet ground, edge of Castle Lake. Transition Life Zone. Comment
  UC1265469  Carex vesicaria var. major Frederick W. Oettinger 1968-9-4 693 Siskiyou Salmon Mountains, high lake basins in the vicinity of English Peak Marble Mountain wilderness area, along west shoreline of Abbott's Lake; white Fir Forest-Red Fir forest transition area 1722 Comment
  HSC48105  Carex whitneyi D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19530 Siskiyou Along Hwy. 89 at Snowman's Hill Summit, 3 mi. E of McCloud Comment
  SD76146  Cassiope mertensiana Helen V. Witham 1969-10-6 550 Siskiyou On steep west slope, above Kangaroo Lake. Comment
  RSA0002588  Cassiope mertensiana subsp. ciliolata E. B. Copeland 1903-8-18 3898 Siskiyou Mt. Eddy. 2591 Comment
  HSC67784  Castilleja applegatei J. O. Sawyer, J. Cole 1980-7-21 3832 Siskiyou N of FS Rd. 44N01 near intersection with road to Lava Camp. 1677 Comment
  SBBG16533  Castilleja applegatei D. Myrick 1961-6-19 267 Siskiyou near Mt Shasta City 1066 Comment
  HSC19031  Castilleja applegatei J. O. Sawyer 1969-7-3 1054 Siskiyou SE facing slope above Horse Range Creek 1616 Comment
  HSC26117  Castilleja applegatei subsp. pinetorum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5686 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  HSC30740  Castilleja applegatei subsp. pinetorum Glenn McGourty 1974-5-25 72 Siskiyou On Rd. 8, 0.9 mi. from jct. with Hwy. 3 976 Comment
  HSC91215  Castilleja applegatei subsp. pinetorum Jennifer Whipple 1976-6-11 963 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  JEPS25852  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7484 Siskiyou just below road summit of Cecilville-Callahan road (new at this time) (overlooking headwaters of South Fork of Scott River) 1880 Comment
  UC164278  Castilleja applegatei subsp. pinetorum Geo. D. Butler 1910-4-19 1198 Siskiyou near Yreka Comment
  UC625497  Castilleja applegatei subsp. pinetorum Frank W. Gould 1938-6-27 480 Siskiyou 3 mi n Mount Shasta (town) 1082 Comment
  CAS-BOT-BC243761  Castilleja applegatei var. pinetorum Elmer I. Applegate 1936-5-2 10203 Siskiyou Lava Beds National Monument between Indian Well and Caldwell Butte Comment
  CAS-BOT-BC243753  Castilleja applegatei var. pinetorum David D. Keck 1938-8-8 4873 Siskiyou At Trinity Co. line, Scott Mountain Divide, between Scott Mtn. and Craggy Peak 1676 Comment
  JEPS32674  Castilleja arachnoidea Paul C. Hutchison 1962-8-2 926 Siskiyou between top of ski lift and Panther Meadow; Mt. Shasta 2438 Comment
  UC1190242  Castilleja arachnoidea Ira L. Wiggins 1955-7-27 13557 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area 2042 Comment
  UC1216704  Castilleja arachnoidea W. B. and V. G. Cooke 1962-8-18 33526 Siskiyou near Horse Camp; Mt. Shasta 2377 Comment
  UC1483513  Castilleja arachnoidea John Palmer 1980-7-24 667 Siskiyou Dillon Divide; Klamath National Forest, Dillon Mtn. Quad. 1706 Comment
Read comments
May 25 2011
  HSC45204  Castilleja hispida subsp. brevilobata J. O. Sawyer, E. Cope 1977-6-20 2975 Siskiyou Along W slopes of Bear Mtn. 1829 Comment
  HSC82560  Castilleja lacera Thomas W. Nelson, Jane P. Nelson 1979-5-26 4719 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  HSC61199  Castilleja miniata Al Hobart 1967-8-9 Siskiyou El Capitan Comment
  HSC61815  Castilleja miniata Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  JEPS19007  Castilleja miniata Barbe 1957-7-13 374 Siskiyou Big Flat Public Camp; Klamath National Forest 1524 Comment
  JEPS23291  Castilleja miniata Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7260 Siskiyou Poker Flat 1536 Comment
  UC1096790  Castilleja miniata Barbe 1957-7-13 374 Siskiyou Big Flat Public Camp; Klamath National Forest 1524 Comment
  UCR61243  Castilleja miniata 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-BC253616  Castilleja miniata Edmonds 1890-7-6 s.n. Siskiyou unspecified Comment
  POM42523  Castilleja miniata Geo. D. Butler 1909-6-22 931 Siskiyou Goosenest. Comment
  UC725776  Castilleja pilosa A. A. Heller 1938-7-12 15261 Siskiyou e base Deer Mountain 1432 Comment
  NY68148  Castilleja pratensis A. A. Heller 1905-6-20 8079 Siskiyou Comment
  HSC58884  Castilleja pruinosa Marvin Butler 1971-7-13 127 Siskiyou Near Cyclone Gap, close to the town of Cave Junction 1585 Comment
  SBBG26802  Castilleja pruinosa L. Constance, R. C. Rollins 1942-5-14 2935 Siskiyou Shasta River 6 mi N of Yreka 762 Comment
  UC163706  Castilleja pruinosa Geo. D. Butler 1910-5-23 1388 Siskiyou Humbug Mountain 1219 Comment
  RSA184819  Castilleja pruinosa Gilbert Muth 1966-7-14 394 -B Siskiyou Marble, south of Marble Valley, Marble Mountains. 1793 Comment
  RSA50156  Castilleja pruinosa E. K. Balls 1949-7-9 13948 Siskiyou Salmon Mts. summit of pass on rd from Etna to Sawyer's Bar. 1479 Comment
  RSA700165  Castilleja pruinosa Noel Holmgren, James L. Reveal 1966-6-9 2674 Siskiyou Siskiyou mountains, O'Brien-Happy Camp road, 15 miles north of Happy Camp (Indian Creek drainage). 960 Comment
  CAS-BOT-BC47943  Ceanothus Roxana S. Ferris; Laura Lorraine 1948-6-12 11850 Siskiyou 1.5 miles below summit, east side, of Gazelle Mt. grade. 1417 Comment
  CAS-BOT-BC47940  Ceanothus W. R. Dudley 1901-8-19 s.n. Siskiyou Trail Creek Comment
  CAS-BOT-BC49195  Ceanothus cuneatus Geo. D. Butler 1910-5-28 1418 Siskiyou Near Yreka Comment
  POM126427  Ceanothus cuneatus A. M. Alexander, Louise Kellogg 1911-6-13 140 Siskiyou 6 miles northwest Callahan. Comment
  POM85997  Ceanothus cuneatus Geo. D. Butler 1910-5-28 1418 Siskiyou Yreka Comment
  SFV5115  Ceanothus cuneatus B. C. Templeton 1957-6-22 s. n. Siskiyou North of Callahan. Comment
  HSC60307  Ceanothus integerrimus J. P. Smith, Steve Selva 1970-6-14 3891 Siskiyou 1 mi. E of Steinacher Creek Rd. on Rd. to Forks of Salmon Comment
  HSC96808  Ceanothus integerrimus S. Lyon 2006-6-9 5 Siskiyou E side of Eddy Gulch, 3 mi S of the intersection with Sawyers Bar Rd. 915 Comment
  UC61168  Ceanothus integerrimus W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou 18th Crossing Sisson Comment
  HSC36947  Ceanothus prostratus J. P. Smith 1974-5-26 7587 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  HSC39317  Ceanothus prostratus J. P. Smith 1974-5-26 7381 Siskiyou Along FS Rd. 47N03 1524 Comment
Read comments
Feb 26 2013
  RSA60713  Ceanothus prostratus I. L. Wiggins 1950-5-28 12364 Siskiyou Margins of Carmen Lake, ca. 1.5 miles E of Scott Mtn road. 1738 Comment
  RSA23631  Ceanothus sanguineus O. V. Matthews 1939-6-7 9512 Siskiyou Mohawk Mine, Frog Pond trail, 2 miles S of Oregon-California line, alt 4000ft, siskiyou County 1220 Comment
  CAS-BOT-BC63154  Ceanothus velutinus Doris K. Kildale 1929-8-24 9066 Siskiyou Trail to Preston Peak between Ynengs Valley and Rattlesnake Meadow. 1524 Comment
  CAS-BOT-BC63200  Ceanothus velutinus Alice Eastwood 1921-7-28 10890 Siskiyou Little Mt. Hoffman. Comment
  JEPS42168  Ceanothus velutinus L. N. Lorenzen 1920-6-9 Siskiyou Sisson 1127 Comment
  UC375372  Ceanothus velutinus Geo. D. Butler 1908-8-3 412 Siskiyou Shackleford Creek Log Lake, Shackleford Creek Comment
  CDA15535  Ceanothus velutinus var. laevigatus G. F. Hrusa 1998-7-5 14703 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 8.8. Comment
  CAS-BOT-BC52808  Ceanothus velutinus var. velutinus Laura M. Lathrop 1903-7-25 s.n. Siskiyou Mt. Bradley Comment
  SD98873  Centaurea cyanus Darley F. Howe 1977-7-2 4982 Siskiyou 7 miles west of Fort Jones, Scott River Road 669 Comment
  HSC67031  Centaurea cyanus J. P. Smith, Steve Selva 1970-6-16 4080 Siskiyou Idlewild Campground 808 Comment
  UCD130115  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
  CAS-BOT-BC384965  Cerastium arvense Gilbert Muth 1966-7-25 450 Siskiyou Marble Mountain Lookout, Marble Mts. 2097 Comment
  HSC4754  Cerastium fontanum subsp. vulgare William J. Ferlatte 1967-6-5 491 Siskiyou Big Flat, between public camp and S Fork of Salmon River 1524 Comment
  CDA3344  Cerastium glomeratum T. C. Fuller 1962-5-17 8742 Siskiyou Behind El Rancho Motel, Yreka. 0 Comment
  HSC36689  Cercis occidentalis Brent Whiteley 1975-6-21 14 Siskiyou 223 Comment
  CAS-BOT-BC142158  Cercocarpus betuloides var. betuloides Louis C. Wheeler 1934-7-12 2901 Siskiyou Cottonwood Creek - Klamath Forest 1066 Comment
  JEPS45542  Cercocarpus betuloides var. betuloides Geo. D. Butler 1909-4-26 672 Siskiyou Oro Fino Comment
  CHSC110958  Cercocarpus ledifolius var. intermontanus B. Castro; L. P. Janeway 2007-7-28 1665 Siskiyou Modoc Plateau. Upper part of Callahan Flow, along old RR bed (USFS Road 44N53) 0.4 mi north of Cinder Butte. 1731 Comment
  CAS-BOT-BC148515  Cercocarpus ledifolius var. ledifolius Dr. E. B. Copeland 1903-7-6 3562 Siskiyou Hornbrook Comment
  CHSC36164  Cercocarpus ledifolius var. ledifolius K. Bridwell 1978-7-7 176 Siskiyou N slope of Sheep Mountain, ca. 10 mi e of Macdoel. 1615 Comment
  UC136528  Cercocarpus ledifolius var. ledifolius E. B. Copeland 1903-7-6 3562 Siskiyou Hornbrook; Pacific Coast, Hornbrook Comment
  UC60894  Cercocarpus ledifolius var. ledifolius W. A. Setchell, C. C. Dobie July 1902 Siskiyou Sheep Racks, Mount Shasta Sheep Racks; Mount Shasta, Sheep Racks Comment
  POM66496  Chaenactis carphoclinia Geo. D. Butler 1910-6-17 1573 Siskiyou Humbug[?] Mtn 1220 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
  CAS-BOT-BC276764  Chaenactis douglasii var. douglasii Elmer I. Applegate 1935-8-3 10006 Siskiyou Near and S of Sconchin Butte, Lava Beds National Butte Comment
  UC128643  Chaenactis suffrutescens Harley P. Chandler 1731 Siskiyou Etna Mills North Coast Ranges 914 Comment
  UC54082  Chaenactis suffrutescens H. M. Hall and E. B. Babcock 1903-6-1 4081 Siskiyou upper part of Shasta Valley; Sierra Nevada Mountains, Mount Shasta, Shasta Valley 1158 Comment
  RSA78943  Chamaebatiaria millefolium E. K. Balls, Percy C. Everett 1952-10-12 18170 Siskiyou Modoc Lava Beds Monument, road from Indian Well to Tule Lake, 0.5 miles from Indian Well Ranger Station. 1433 Comment
  POM274980  Chamaebatiaria millefolium J. William Thompson 1936-7-8 13151 Siskiyou Lava slopes of Lava Beds Nat'l Monument. Comment
  CAS-BOT-BC85660  Chamaecyparis lawsoniana W. R. Dudley 1901-8-16 s.n. Siskiyou Salmon Mountains Comment
  CAS-BOT-BC85663  Chamaecyparis lawsoniana Miss Herzinger 1903-11-1 s.n. Siskiyou Scott River Valley Comment
  CHSC62521  Chamaecyparis lawsoniana L. P. Janeway 1993-8-31 4572 Siskiyou At outlet of Lower Cliff Lake; headwaters of South Fork Sacramento River. 1746 Comment
  CAS-BOT-BC80491  Chamaecyparis nootkatensis Oliver V. Matthews 1939-6-7 12 Siskiyou above Frog Lake, N.W. Siskiyou Co. 152 Comment
  UCD126575  Chamaesaracha nana T. C. Fuller 1962-6-12 8967 Siskiyou east side of Davis Road to Medicine Lake, 0.2 mile south of road to Dorris, ca. 16 miles east of Macdoel. Comment
  RSA0030885  Chamaesyce Louis C. Wheeler 1935-7-4 3652 Siskiyou Yreka. 800 Comment
  RSA432491B  Chamaesyce serpillifolia W. Bridge Cooke 1939-7-7 13578 Siskiyou Wagon Camp Road at Howard. Also seen commonly along the old MacBride Spring Road. Comment
  CAS-BOT-BC68203  Cheilanthes gracillima John Thomas Howell 1939-8-3 14995 Siskiyou Marble Mts. - Spirit Lake Comment
  HSC69196  Cheilanthes gracillima Maralyn A. Renner 1980-9-1 2691 Siskiyou Bear Mtn. Comment
  HSC69638  Cheilanthes gracillima Maralyn A. Renner 1980-6-26 1272 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  RSA237844  Cheilanthes gracillima Frederick W. Oettinger 1968-8-5 405 Siskiyou Mount Hemlock Forest, Shasta Ridge, between Diamond Lake and English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UC2026485  Cheilanthes gracillima Louis C. Wheeler 1958-8-21 7413 Siskiyou Siskiyou Mountains. Lily Pad Lake. Comment
  UC42423  Cheilanthes gracillima Marshall A. Howe Aug. 1894 Siskiyou near Shasta (Soda Springs) Comment
  CAS-BOT-BC68205  Cheilanthes gracillima L. F. Henderson 1926-4-22 5940 Siskiyou Bluffs of the East Illinois R. near Beer's Bridge Comment
  CAS-BOT-BC68209  Cheilanthes gracillima W. R. Dudley 1901-8-22 s.n. Siskiyou Foxtail Ridge Comment
  UC922663  Cheilanthes gracillima Annie M. Alexander and Louise Kellogg 1948-9-8 5600 Siskiyou top of grade between Sawyers Bar and Etna; Siskiyou Mts 1737 Comment
  RSA238385  Chenopodium Frederick W. Oettinger 1969-8-14 1370 Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1753 Comment
  UC1368678  Chenopodium atrovirens W. B. and V. G. Cooke 1968-7-1 39230 Siskiyou along Andesite Rd Mt. Shasta (n side of mt.) 1524 Comment
  JEPS90821  Chenopodium simplex Dean W. Taylor 1987-8-9 9292 Siskiyou along Highway 161 (Oregon border) 8.3 mi w from Highway 139 (Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge 1249 Comment
  RSA624500  Chenopodium vulvaria L. C. Wheeler 1935-7-13 3656 Siskiyou Ager. 793 Comment
  CAS-BOT-BC451436  Chimaphila menziesii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  UC1043391  Chimaphila umbellata P. C. Everett and E. K. Balls 1954-10-11 20266 Siskiyou s.w. Mt. Shasta town (forest service camp, Castle Lake); Castle Lake 1249 Comment
  UCR90895  Chimaphila umbellata Kathy Harper, Dane Karr 1994-6-10 s.n. Siskiyou North Coast Range, Indian Creek Camp, 14.5 mi NW of Happy Camp along Indian Creek Road, off Hwy 96. Near campsites 7 to 9 610 Comment
  RSA605356  Chimaphila umbellata subsp. occidentalis L. C. Wheeler 1959-7-25 7596 b Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  CAS-BOT-BC36388  Chrysolepis chrysophylla H. E. Brown 1897-7-15 588 Siskiyou South side of Mt. Shasta 3048 Comment
  RSA697617  Chrysolepis chrysophylla Leo Miller 1938-1 s.n. Siskiyou Siskiyou Mtns. 915 Comment
  RSA300518  Chrysothamnus nauseosus subsp. albicaulis John Dourley, Walter Wisura 1982-10-16 3877 Siskiyou 11 mi NE of Weed along Hwy 97. 1280 Comment
  CDA38293  Cicuta douglasii T. C. Fuller 1984-7-3 20429 Siskiyou On east side of railroad, north limits of Mt. Shasta City. 0 Comment
  UCD127361  Cicuta douglasii P. B. Kennedy 1922-8-22 s.n. Siskiyou Fritz Young Ranch, Scott Valley. Comment
  CAS-BOT-BC190008  Cinna latifolia J. M. Tucker 1963-8-19 3775 Siskiyou Marble Mountain Wildnerness Area. Headwaters of Canyon Creek. 1950 Comment
  HSC19053  Cinna latifolia J. O. Sawyer 1969-8-4 1861 Siskiyou Slope SW of Sugar Lake 2195 Comment
  CAS-BOT-BC32848  Cirsium botrys L. E. Smith 1913-6-25 397 Siskiyou Montague Comment
  SD110302  Cirsium canovirens T. C. Fuller 1979-10-3 20271 Siskiyou Below a log truck loading area, both sides of Goosenest Road, 14 km northeast of Tennant. Comment
  OBI54130  Cirsium cymosum var. cymosum David J. Keil, Kathleen Keil 1992-7-21 23515 Siskiyou Klamath NF SE of Callahan on hwy 3, 2.1 mi NW of Scott Mtn summit Comment
  OBI60939  Cirsium cymosum var. cymosum B. Villegas 1999-6-8 s.n. Siskiyou Hawkinsville, Humbug Rd about 2 mi W of Hwy 263, BLM land Comment
  JEPS95639  Cirsium douglasii var. breweri Vernon H. Oswald and L. Ahart 1994-8-1 6414 Siskiyou T39N R5W Sec. 10, 4400 ft, Yellow Pine Forest. Forest Rd. 26 paralleling the South Fork of the Sacramento River, 1.5 mi E of Forest Rd. 40N43, 7.8 mi SW of the dam at Lake Siskiyou 1341 Comment
  SEINET5506296 Image available Cirsium douglasii var. breweri A. A. Heller 1915-8-26 12238 Siskiyou Mt. Eddy 1829 Comment
  CDA1274  Cirsium inamoenum T. C. Fuller 1979-10-3 20271 -A Siskiyou Goosenest Rd., 14 km northeast of Tennant. 0 Comment
  HSC68225  Cirsium occidentale var. candidissimum J. P. Smith, J. O. Sawyer 1971-9-18 4809 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  CDA1553  Cirsium remotifolium var. odontolepis F. D. Horn 1970-7-16 s.n. Siskiyou Salmon Mtns.; Callahan - Cecilville Rd., E of Carter Meadows, Klamath National Forest. Comment
  OBI55423  Cirsium remotifolium var. odontolepis David J. Keil 1992-7-20 23495 Siskiyou Klamath NF, W of Fort Jones. Along Forest Rd 44N45, 4.4 mi S of Scott river rd Comment
  CDA1587  Cirsium scariosum var. robustum M. R. Pryor 1950-7-26 s.n. Siskiyou Hwy 99, 4 mi. N of Gazelle. Comment
Read comments
Dec 10 2009
  CHSC86456  Clarkia gracilis subsp. gracilis Jenny Marr 1993-7-1 73 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  RSA47808  Clarkia gracilis subsp. gracilis Roxana S. Ferris, Laura Lorraine 1948-6-12 11711 Siskiyou Schoolhouse Hill, Plowman s Valley (Noyes Valley), east fork of Scott River. Comment
  CAS-BOT-BC163455  Clarkia purpurea subsp. quadrivulnera Lewis S. Rose 1945-6-22 45157 Siskiyou Walker, Klamath River 533 Comment
  HSC64529  Clarkia purpurea subsp. quadrivulnera J. P. Smith, Steve Selva 1970-6-16 4082 Siskiyou Idlewild Campground 808 Comment
  UC1408915  Clarkia rhomboidea Frederick W. Oettinger and R. F. Thorne 1969-8-5 1212 Siskiyou above Willow Spring (near English Lake Trail); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  UC337290  Clarkia rhomboidea Lemmon 1889-6-17 Siskiyou Edgwood Comment
  CAS-BOT-BC164978  Clarkia rhomboidea A. A. Heller 1920-7-6 133420 Siskiyou Metcalf's ranch, northeast side of Mt. Eddy Comment
  RSA332450  Claytonia cordifolia J. P. Smith, Steve Selva 1970-6-16 4055 Siskiyou 8 miles west of Etna on road to Sawyers Bar 1372 Comment
  HSC61812  Claytonia lanceolata Ruby Van Deventer 8 Jun [year missing] Siskiyou Poker Flat 1585 Comment
  RSA120757  Claytonia lanceolata S. S. Tillett 1956-7-9 664 Siskiyou Little Carmen Lake, n. side of Scott Mtn. Siskiyou-Trinity cos. line, ca. 8 mi. se. of Callahan 1829 Comment
  RSA0080498  Claytonia lanceolata P. A. Munz 1952-7-2 17908 Siskiyou Ridge west of Baldy Mt. L. O., 6 mi. by air west of Happy Camp. Siskiyou Mts. 1768 Comment
  UC375332  Claytonia parviflora subsp. parviflora Geo. D. Butler 1908-7-11 68 Siskiyou Comment
  HSC17713  Claytonia rubra subsp. rubra R. C. Wunner 1965-6-6 138 Siskiyou Lava Beds National Monument, near top of Caldwell Butte on the NE side Comment
  SEINET3159193  Clematis ligusticifolia G. D. Butler 1910-8-3 sn Siskiyou Yreka creek Comment
  HSC42882  Clinopodium douglasii J. O. Sawyer, Ken Stillman 1976-7-1 2787 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  HSC60116  Clinopodium douglasii M. A. Baker 1977-5-14 275 Siskiyou Karok garden in Happy Camp Comment
  CAS-BOT-BC500955  Clintonia uniflora Gilbert Muth 1966-7-17 401 Siskiyou Trail to lookout, Marble Mountains 1805 Comment
  CAS-BOT-BC500968  Clintonia uniflora Volney Rattan 1879-6-1 s.n. Siskiyou Siskiyou Mountains, Northwest California Comment
  SJSU2577  Clintonia uniflora H. L. Buckalew 1962-7-9 Siskiyou near Poker Flat c. 4 mi W of junction of Indian Creek with W Branch Indian Creek, Siskiyou Mts 1066 Comment
  CAS-BOT-BC238060  Collinsia Alice Eastwood 1921-7-28 10878 Siskiyou Medicine Lake Comment
  JEPS6299  Collinsia grandiflora Geo. D. Butler 1904-4-26 608 Siskiyou Quartz Valley Comment
  SEINET13395184  Collinsia parviflora B. Byrne 1941-4-10 s.n. Siskiyou Sugar Creek. Comment
  JEPS5111  Collinsia parviflora unknown Apr 1903 Siskiyou Mt. Mooney , Mt. Mooney (Yreka) Comment
  UC164260  Collinsia rattanii Geo. D. Butler 1911-7-9 758 Siskiyou Humbug Road between Yreka and Humbug; Humbug Road Comment
  RSA237358  Collinsia torreyi Frederick W. Oettinger 1967-6-24 115 Siskiyou Ridge at Etna Summit between Etna and Sawyers Bar. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC879755  Collomia grandiflora A. A. Heller 1916-6-23 12436 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  HSC45829  Collomia heterophylla J. P. Smith 1973-5-5 6469 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC73273  Collomia heterophylla M. A. Baker 1980-6-20 2184 Siskiyou Near Bald Mtn. 1036 Comment
  RSA48009  Collomia heterophylla Roxana S. Ferris, Laura Lorraine 1948-6-12 11780 Siskiyou Small tributary of Etna Creek below Mill Creek Bridge 1067 Comment
  CAS-BOT-BC540702  Collomia tinctoria Dana York 2012-7-21 3131 Siskiyou Siskiyou Mountains: Rogue River, Siskiyou National Forest, ca. 270 m W of Echo Lake (slopes above lake) 1800 Comment
  POM259288  Collomia tinctoria J. T. Howell 1939-8-9 15239 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  UC52433  Collomia tinctoria W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou 18th Cr. Sac. River, Sisson Comment
  UC639095  Collomia tinctoria W. Bridge Cooke 1939-8-10 13852 Siskiyou on bottom of creek just below opening of canyon; Mount Shasta, Mud Creek 1676 Comment
  HSC30629  Collomia tinctoria Frederick W. Oettinger 1968-8-18 576 Siskiyou Marble Mtn. Wilderness area, slope in draw below Tobacco Lake 1890 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
  JEPS80487  Corallorhiza maculata Gilbert Muth 1966-7-14 397 Siskiyou Marble Valley Marble Mt. Wilderness Area 1792 Comment
  UC164418  Corallorhiza maculata Geo. D. Butler 1910-6-5 1479 Siskiyou Shackelford Creek Comment
  RSA50136  Corallorhiza maculata E. K. Balls 1949-7-10 13964 Siskiyou 8.6 miles from Sawyers Bar on the way to Cecilville. 762 Comment
  HSC74929  Corallorhiza mertensiana J. P. Smith, Jennifer Whipple 1978-7-2 9976 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  UC1409486  Corallorhiza mertensiana Frederick W. Oettinger 1968-8-7 431 Siskiyou Hancock Lake Salmon Mountains, Marble Mountain Wilderness Area (woods across meadow from base camp, high lake basins in vicinity of English Peak, w Siskiyou Co.) 1950 Comment
  SEINET3864281  Cordylanthus tenuis Barbara L. Wilson, R. E. Brainerd 2010-8-6 16231 Siskiyou North Shore Road, north side of Lake Siskiyou, 1.2 miles west of cross road.; 0 997 Comment
  HSC42895  Cordylanthus tenuis subsp. viscidus Ken Stillman 1976-8-15 411 Siskiyou Clearcut at junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  RSA0084761  Cordylanthus tenuis subsp. viscidus Rebecca Wenk 2008-7-25 949 Siskiyou Road to Kangaroo Lake, 4.3 miles south of turnoff from Gazelle-Callahan Rd. 1616 Comment
  HSC89859  Cordylanthus tenuis subsp. viscidus Rimo Bacigalupi, G. Thomas Robbins, T. W. Custer 1954-8-12 4791 Siskiyou Along highway following the Klamath River, 1/2 mi. W of Hamburg 457 Comment
  CAS-BOT-BC376591  Cornus glabrata Andrew Townesmith; Karen M. Meyer 2007-8-3 893 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along state route 96, 5.2 miles west of National Forest boundary. Vicinity of Cayuse Day Use Area 576 Comment
  HSC67733  Cornus nuttallii John Palmer 1980-8-12 704 Siskiyou SE of Ward's Gap. 1189 Comment
  RSA397465  Cornus nuttallii Christopher Davidson 1975-6-5 2648 Siskiyou 2.0 mi E of town of Mt. Shasta on Mt. Shasta Uplands Rd. 1189 Comment
  UC165290  Cornus nuttallii Geo. D. Butler 1908-8-21 85 Siskiyou Etna Creek Comment
  CAS-BOT-BC212067  Cornus nuttallii Donald Myrick 1961-6-21 300 Siskiyou In deep woods on Deer Camp Road above Oak Knoll Ranger Statoin on Klamath River 19 miles west of Highway 99 1371 Comment
  CAS-BOT-BC210409  Cornus sericea Doris K. Kildale 1928-7-4 5466 Siskiyou 3 miles west of Summit on Sawyers Bar - Etna Mills road Comment
  CHSC71574  Cornus sericea subsp. sericea Vernon H. Oswald; Lowell Ahart 1998-8-3 9457 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 2.6 mi southeast of Gazelle-Callahan Rd. Along a streamlet on the upstream side of a culvert. 1426 Comment
  UC1585410  Corylus californica R. Raiche, K. Zadnik, and H. Forbes Feb 1989 UCBG 36 Siskiyou SW of Little Medicine Mt., Elk Valley, near Del Norte Co. line 1325 Comment
  SEINET196193  Crataegus douglasii R. S. Ferris, L Lorraine 1948-6-12 11822 Siskiyou E fork of Scott River Drainage; Parker Ranch; Plowman's (Noyes) Valley 1204 Comment
  RSA47646  Crataegus suksdorfii Roxana S. Ferris, Laura Lorraine 1948-6-12 s.n. Siskiyou E Fork of Scott River drainage, Parker Ranch, Plowman's Valley. 1204 Comment
  HSC67831  Crepis acuminata J. O. Sawyer, J. Cole 1980-7-22 3935 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  UC1408881  Crepis acuminata F. W. Oettinger 1969-8-6 1263 b Siskiyou nne Toms Lake (near gap between Toms and Hancock Lake basins, in English Peak area); Salmon Mountains 2164 Comment
  JEPS36499  Crepis occidentalis Harley P. Chandler June, 1901 1644 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  CAS-BOT-BC290839  Crepis occidentalis subsp. pumila J. Grisham 1958-5-14 399 -58 Siskiyou Yreka Comment
  CDA4439  Crepis pleurocarpa Agricultural Commissioner Aug 1951 Siskiyou Macdoel. 0 Comment
  UC195184  Crepis pleurocarpa Annie M. Alexander and Louise Kellogg 1911-8-12 310 Siskiyou near Toad L. Comment
  UC581190  Crepis pleurocarpa G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2446 A Siskiyou n-facing slope on ridge between Big Mill and Mule Creek (near road from Callahan to Carrville) 1120 Comment
  CAS-BOT-BC290866  Crepis pleurocarpa G. L. Stebbins, Jr.; J. A. Jenkins 1937-7-17 2423 Siskiyou East and northeast slope of spur of Rainbow Ridge above Sulloway Creek about 1 1/2 mi. west of Mt. Shasta City 1380 Comment
  CAS-BOT-BC290880  Crepis pleurocarpa Gilbert Muth 1965-8-11 s.n. Siskiyou Marble Valley Comment
  CAS-BOT-BC290882  Crepis pleurocarpa Louis C. Wheeler 1934-8-16 3168 Siskiyou Klamath National Forest. 2 mi. E White Mt. 1920 Comment
  HSC70597  Crepis pleurocarpa J. O. Sawyer, R. J. Cole 1981-7-2 4155 Siskiyou Near Scott Mtn. Campground 1585 Comment
  POM211803  Crepis pleurocarpa L. C. Wheeler 1934-8-16 3168 Siskiyou Siskiyou Mountains: 2 mi. east of White Mt. 1921 Comment
  SEINET11835677  Crepis pleurocarpa C. G. Pringle 1882-1 s.n. Siskiyou Mts. about the head waters of the Sacramento River Comment
  CDA4484  Crocidium multicaule Vernon H. Oswald & Lowell Ahart 1998-6-11 9215 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97, ca. 5 miles north of Macdoel. Comment
  JEPS87644  Cryptantha ambigua Vernon H. Oswald and Lowell Ahart 1994-8-10 6455 Siskiyou ca 4.5 mi (air) ne McCloud (Pilgrim Creek Rd (FS13), just e of Mud Creek, 2.7 mi n of Hwy 89) 1097 Comment
  JEPS67602  Cryptantha flaccida Geo. D. Butler 1909-5-10 734 Siskiyou near Yreka Comment
  CHSC86661  Cryptantha intermedia Jenny Marr 1993-7-1 44 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS21126  Cryptantha simulans T. Walker 1938-6-24 Siskiyou MacBride Spr. Mt. Shasta 1524 Comment
  UC164156  Cryptantha torreyana Geo. D. Butler 1910-5-8 1310 Siskiyou near Yreka Comment
  SEINET8671193 Image available Cryptogramma crispa subsp. acrostichoides M. W. Bridge Cooke 1937-1 9165 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC80536  Cupressus bakeri C. B. Wolf 1944-10-29 11478 Siskiyou N.E. side [Goose Nest] Goosenest Mt., about 1 mi. S. of [Goose Nest] Goosenest Rd. #1 leading off the Montague 1676 Comment
  CAS-BOT-BC85606  Cupressus bakeri C. B. Wolf; E. R. Johnson 1934-10-8 6167 Siskiyou Modoc Lava Beds, 1 mi. N.E. of Timbered Crater on Old Stage Rd. from Dana to Little Hot Springs Valley 1219 Comment
  RSA22756  Cupressus bakeri O. V. Matthews 1939-7-18 39 Siskiyou Northeast slope of Goose Nest, ca. 15 minute hike from end of recently abandoned caterpillar logging trail or drag-way 1524 Comment
  SEINET10531077  Cupressus bakeri subsp. matthewsii Matthews 1939-7-11 MATTHEWS 32 Siskiyou Salad Grove. 855 Comment
  UC1586896  Cycladenia humilis var. humilis Juha Pykala and D. H. Norris 1987-8-7 2408 Siskiyou Jot Dean Ice Cave 1700 Comment
  JEPS77490  Cymopterus terebinthinus var. californicus Susan Horner 1978-7-5 MP- 4 Siskiyou between Military Pass Rd. and Bolam Rd. within 3 to 4 mi. of Hwy. 97 Comment
  SDSU2648  Cynoglossum occidentale D. F. Howe 1979-6-26 5108 Siskiyou Military Pass road 19 miles east of #97. 1768 Comment
  UC838417  Cyperus bipartitus Louis C. Wheeler 1934-8-31 3229 Siskiyou Lund Ranch, W. Fork Beaver Creek Siskiyou Mts., W. Fork Beaver Creek, Lund Ranch 1066 Comment
  UC1408835  Cystopteris fragilis Frederick W. Oettinger 1969-7-9 944 Siskiyou nw of Upper English Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1798 Comment
  CAS-BOT-BC70717  Cystopteris fragilis Louis C. Wheeler 1934-7-5 2879 Siskiyou Klamath Forest, Deer Creek 1676 Comment
  HSC19006  Cystopteris fragilis J. O. Sawyer 1969-7-10 1291 Siskiyou E facing slope W of S Sugar Lake 2226 Comment
  HSC23665  Cystopteris fragilis J. O. Sawyer 1969-7-18 1360 Siskiyou At headwaters of S Russian Cr. 2043 Comment
  RSA237514  Cystopteris fragilis Frederick W. Oettinger 1969-7-13 1007 Siskiyou NW of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  UCD60487  Danthonia californica Rimo Bacigalupi; Mr. and Mrs. Van Deventer 1959-7-10 7311 Siskiyou Twin Valley, Siskiyou Mts., just east of Del Norte Co. line; 4 air-line miles NNE of Preston Peak; watershed of Indian Creek. 1493 Comment
  UCD60863  Danthonia californica var. americana A. A. Heller 1915-7-18 12113 Siskiyou Metcalf's ranch, northeast of base of Mt. Eddy. 1249 Comment
  HSC19071  Danthonia unispicata J. O. Sawyer 1969-7-25 1530 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  HSC96297  Danthonia unispicata Gordon Leppig 1998-8-13 1000 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 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-BC76246  Darlingtonia californica Mrs. John Massin 1894-8-6 s.n. Siskiyou Upper Soda Springs. Comment
  JEPS19772  Darlingtonia californica Rimo Bacigalupi with S. Galen Smith 1957-6-26 5956 Siskiyou springy bog at w end Gumboot Lake (head of South Fork of Sacramento River, close to Trinity County line) 1859 Comment
  SEINET10914313  Darlingtonia californica Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 888 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
  UCD168832  Darlingtonia californica Barry Rice 2015-8-15 BR 150803 Siskiyou Small site on the side of Hwy 26. 1786 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
  POM266003  Darmera peltata Lincoln Constance, Reed C. Rollins 1942-5-13 2903 Siskiyou Klamath River at mouth of Protugese Creek. 4 miles E of Thompson Creek. 457 Comment
  CAS-BOT-BC141833  Dasiphora fruticosa W. R. Dudley 1899-8-26 s.n. Siskiyou Top of Eddy Mountain Comment
  RSA605527  Datisca glomerata L. C. Wheeler 1959-7-26 7608 Siskiyou Marble Mountains: Somes Bar. Comment
  SEINET4890503  Datisca glomerata G. D. Butler 1910-7-19 1723 Siskiyou Little Shasta Comment
  UC1125923  Delphinium andersonii M. H. Mitchell 1936-5-9 11 Siskiyou se slope Schonchin Butte; Modoc Lava Beds Natl. Mon., Dorris Quadrangle Comment
  CAS-BOT-BC1413  Delphinium andersonii subsp. cognatum Elmer Ivan Applegate 1935-6-2 9282 Siskiyou West base of Sconchin Butte, Lava Beds National Monument Comment
  CAS-BOT-BC9571  Delphinium antoninum Alice Eastwood; John Thomas Howell 1937-6-26 5036 Siskiyou Salmon Mtns., 10 miles SW of Etna Comment
  JEPS43412  Delphinium decorum subsp. tracyi W. L. Jepson 1907-7-5 2840 Siskiyou Marble Mt. 2133 Comment
  RSA30376  Delphinium depauperatum Lincoln Constance, R. C. Rollins 1942-5-14 2926 Siskiyou Road to Walker Post Office, 4 miles W of Yreka. 1220 Comment
  UC165948  Delphinium nudicaule Geo. D. Butler 1910-5-7 1299 Siskiyou dry hills near Yreka Comment
  CAS-BOT-BC9888  Delphinium nudicaule Elmer Ivan Applegate 1935-6-6 9376 Siskiyou South base of Caldwell Butte, Lava Beds National Monument Comment
  RSA17734  Delphinium nudicaule Elmer I. Applegate 1935-6-6 9376 Siskiyou S base of Caldwell Butte, Lava Beds National Monument Comment
  HSC679  Delphinium nuttallianum William J. Ferlatte 1966-6-23 150 Siskiyou Big Flat, near public camp 1524 Comment
  JEPS84232  Delphinium nuttallianum L. R. Heckard with J. Hickman et al. 1986-7-17 6518 Siskiyou e Condrey Mt. (n-facing cliffs); Alex Hole 1960 Comment
  CAS-BOT-BC116159  Delphinium nuttallianum L. E. Smith 1913-4-23 S. N. Siskiyou Hornbrook Comment
  CAS-BOT-BC116166  Delphinium nuttallianum A. A. Heller 1922-7-15 13700 Siskiyou Medicine Lake 2133 Comment
  RSA400117  Delphinium nuttallianum Christopher Davidson 1975-6-5 2692 Siskiyou 0.1 ENE on unnamed dirt rd. departing to E off Hwy 3 at Scott Mtn summit. 1677 Comment
  UCD77598  Delphinium nuttallianum Robert E. Preston 2001-6-23 1615 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W se 1/4 Section 15 1889 Comment
  HSC69186  Deschampsia cespitosa Maralyn A. Renner 1980-8-31 2632 Siskiyou Twin Valley. 1494 Comment
  SEINET4344614 Image available Deschampsia cespitosa Unknown 1990-7-14 9305 Siskiyou E side Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mile N of Morgan Meadows, Steep E-facing serpentine hillside. 1676 Comment
  UCD61084  Deschampsia cespitosa subsp. holciformis Sami Gray; Barbara L. Wilson 1995-9-2 8071 Siskiyou Klamath National Forest; Mount Eddy; upper end of Upper Deadfall Lake. Comment
  HSC68534  Deschampsia elongata Maralyn A. Renner 1980-6-25 1083 Siskiyou Little South Fork Indian Creek, W Fork 1220 Comment
  CAS-BOT-BC42980  Descurainia incisa subsp. incisa Maxine Wilkes 1940-8-1 s.n. Siskiyou Marble Mountains. Deep Lake. Comment
  CAS-BOT-BC43267  Descurainia pinnata subsp. glabra R. E. Frenkel 1963-7-13 257 Siskiyou On Everitt Memorial Highway, 0.4 mile north of McCloud River RailRoad crossing near Mount Shasta. 1176 Comment
  CAS-BOT-BC43522  Descurainia sophia Wm. Bridge Cooke 1941-7-11 16044 Siskiyou Mount Shasta. In the vicinity of MacBride Springs and along the Memorial Highway. 1524 Comment
  JEPS84039  Dicentra formosa L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6303 Siskiyou from Takilma to Happy Camp (Indian Creek Road, just s of state line) Comment
  UCD95492  Dicentra formosa Rolf Y. Berg 1964-7-15 8264 Siskiyou Seiad Valley. W of Cook and Green Pass and above Lily Pad Lake. Comment
  HSC103843  Dicentra formosa subsp. oregana G. Fred Hrusa 2001-6-6 15854 Siskiyou Near summit of pass between Happy Camp, CA and O'Brien, OR at turnoff to Bolan Lake at Oregon border 1425 Comment
  RSA78836  Dicentra pauciflora P. A. Munz 1952-7-2 17914 Siskiyou Road to Baldy Mt, 6 air line miles W of Happy Camp, Siskiyou Mts. 1555 Comment
  HSC43327  Dicentra uniflora Maralyn O'Meara 1974-5-26 468 Siskiyou Chandler Glade along USFS Rd. 47N03 1768 Comment
  CAS-BOT-BC500905  Dichelostemma capitatum Doris K. Kildale 1929-5-11 7767 Siskiyou Klamath River at Hornbrook Comment
  CAS-BOT-BC502188  Dichelostemma ida-maia E. K. Balls 1949-7-10 13954 Siskiyou 5 miles from Sawyer's Bar on road to Cecilville. 1219 Comment
  CAS-BOT-BC500995  Dichelostemma multiflorum L. E. Smith 1913-6-29 419 Siskiyou Rainbow Comment
  SEINET7839015 Image available Dieteria canescens G. D. Butler 1910-9-11 1869 Siskiyou Weed Comment
  CAS-BOT-BC291017  Dieteria canescens var. shastensis R. H. Bohmannson 1926-7-1 s.n. Siskiyou Mt. Shasta Comment
  SEINET5709532 Image available Dieteria canescens var. shastensis Lowell E. Urbatsch, D. Clark 1974-1 1509 .5 Siskiyou Along rd to Ski Bowl on Mt. Shasta.; Mount Shasta 1676 Comment
  CAS-BOT-BC153727  Diplacus nanus C. L. Hitchcock; J. S. Martin 1939-7-9 5318 Siskiyou Between King's Castle and Black Mt., west side of ridge 1828 Comment
  HSC68034  Dipsacus fullonum J. P. Smith, Steve Selva 1970-7-17 4433 Siskiyou Tyler Gulch Comment
  JEPS124618 Image available Dipsacus fullonum Lynne C. Carter 1967-7-12 100 Siskiyou Town of Mt. Shasta. Near chestnut and East Alma Streets. Comment
  HSC29232  Dodecatheon alpinum Frederick W. Oettinger 1969-7-15 1029 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: midway between Tom Taylor Cabin and English Peak Summit 1997 Comment
  JEPS101451  Downingia elegans var. elegans Dean W. Taylor 1999-6-9 17240 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  SJSU3567  Downingia montana M. R. Kempf 1965-7-14 Siskiyou c. 2 mi SE of Bartle on State Rte 89 1158 Comment
  JEPS24764  Downingia montana John H. Weiler, L. Constance, and E. Molseed 1960-6-15 60178 Siskiyou just n bridge over Sacramento River (about 300 ft off Highway 99, at the n end of Lake Shasta (Antler Resort Area)); Lake Shasta, Antler Resort Area 396 Comment
  CHSC71479  Downingia pulcherrima Vernon H. Oswald; Lowell Ahart 1998-7-21 9356 Siskiyou Northeast of Weed, east of Grass Lake, and west of Bray on Old State Highway 0.8 mi east of Tennant Rd. 1417 Comment
  HSC44783  Draba aureola S. Horner 1977-7-19 209 Siskiyou Siskiyou-Trinity county line Comment
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Jul 7 2020
  NY185257  Draba carnosula H. E. Brown 1897-7-15 443 Siskiyou Collected north side of Mount Shasta 1524.0 Comment
  HSC29183  Draba howellii Frederick W. Oettinger 1967-7-26 196 Siskiyou Salmon Mtns., high lake basins in the vicinity of English Peak, Marble Mtn. Wilderness area, down NE end of Crapo Peak Ridge 2186 Comment
  JEPS53503  Draba howellii Geo. D. Butler 1908-8-8 33 Siskiyou Marble Valley 1676 Comment
  UC166132  Draba nemorosa Geo. D. Butler 1910-4-10 1162 Siskiyou near Yreka; near Yreka Comment
  RSA654055  Draperia systyla Beecher Crampton 1956-8-21 3839 Siskiyou Canyon of the south fork of the Sacramento River, lower slopes of White Ridge. 1372 Comment
  CHSC29779  Drosera rotundifolia M. S. Taylor; W. Roderick, B. Williams 1980-6-4 2784 Siskiyou Bog around Cedar Lake. ... Field redacted by CHSC, contact the data manager for more information 1737 Comment
  RSA0011660  Drosera rotundifolia Frederick W. Oettinger 1969-7-31 1113 Siskiyou West above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC1409281  Drymocallis Frederick W. Oettinger 1968-8-22 598 Siskiyou ridge between Diamond Lake and English Peak (Marble Mountain Wilderness Area, High Lake Basins vicinity of English Peak, Salmon Mountains, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2164 Comment
  CAS-BOT-BC159682  Drymocallis glandulosa A. A. Heller 1915-8-26 12217 Siskiyou Near the source of Wagon Creek, Mt. Eddy 2621 Comment
  HSC18765  Drymocallis glandulosa D. M. Thomson 1965-8-21 201 Siskiyou California Lave Beds N.M., Devil's Homestead Lava Flow Comment
  HSC134  Drymocallis lactea var. lactea William J. Ferlatte 1967-6-30 598 Siskiyou Josephine Lake basin 1677 Comment
  HSC18762  Drymocallis pseudorupestris var. pseudorupestris R. C. Wunner 1965-7-9 354 Siskiyou Lava Beds NM, Black Crater Trail 100 yds. from Hardin Butte Jct. 1341 Comment
  UC922661  Dryopteris arguta Annie M. Alexander and Louise Kellogg 1948-9-4 5575 Siskiyou between Somesbar and Forks of Salmon River (bank above Salmon River Rd); Siskiyou Mts Comment
  HSC45487  Dulichium arundinaceum Maralyn O'Meara 1973-6-5 196 Siskiyou 1.0 mi. up Duck Lakes Trail along a trail crossing stream Comment
  HSC30717  Eleocharis bella Frederick W. Oettinger 1968-9-3 673 Siskiyou Marble Mtn. Wilderness Area, N side of Horse Range Lake 1822 Comment
  JEPS121618  Eleocharis decumbens Kendra Sikes 2011-9-12 Siskiyou Sundew Fen, Caldwell Lakes Basin, headwaters of Park Creek, east slope of China Mountain. Sloping fen, SE aspect, over gabbro. China Mountain quadrangle. CLS_1A Comment
  CHSC86646  Eleocharis macrostachya Jenny Marr 1993-7-1 29 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS19425  Eleocharis macrostachya B. C. Goldsmith 1916-9-9 26 Siskiyou Klamath Hot Springs Comment
  SEINET9084219  Eleocharis obtusa var. engelmannii L. Ahart, V. Oswald 1997-7-28 8808 Siskiyou E side of FR 15, 109 miles N of Hwy 89. 1384 Comment
  POM144779  Eleocharis parishii E. B. Copeland 1903-7-7 3556 Siskiyou Hornbrook. Comment
  HSC22087  Elymus X hansenii J. O. Sawyer 1968-7-9 420 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  UC1265471  Elymus X hansenii Frederick W. Oettinger 1968-8-8 456 Siskiyou Craop Meadow Salmon Mountains, Marble Mountain Wilderness Area (w Siskiyou Co., high lake basins in vicinity of English Peak) 2164 Comment
  UCR143506  Elymus caput-medusae L. C. Wheeler 1935-6-4 3546 Siskiyou Grenada, Shasta Valley 793 Comment
  CHSC61567  Elymus elymoides subsp. californicus L. P. Janeway 1983-8-16 553 Siskiyou Siskiyou Mountains; at Poker Flat, upper part of the lower portion of the meadow. 1524 Comment
  RSA715960  Elymus elymoides subsp. californicus L. Ahart, John Dittes 2005-6-9 12019 Siskiyou On the east side of a poor rock fence, about 350 yards E of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2.5 miles (air) ESE of Grenada. 775 Comment
  HSC76754  Elymus elymoides var. californicus K. T. Stillman 1976-7-21 276 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  HSC69327  Elymus glaucus John S. Palmer 1980-8-12 739 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  UC1265398  Elymus glaucus F. W. Oettinger 1969-9-3 1622 Siskiyou English Peak Salmon Mountains (s slope, w Siskiyou Co.) 2072 Comment
  CAS-BOT-BC206611  Elymus glaucus subsp. glaucus Doris K. Kildale 1928-8-20 6622 Siskiyou Hancock Lookout, on trail to Marble Mountain 2151 Comment
  HSC31066  Elymus glaucus subsp. glaucus Frederick W. Oettinger 1969-9-3 1622 Siskiyou Marble Mtn. Wilderness Area, trail on south slope of English Peak. 2073 Comment
  HSC69279  Elymus glaucus subsp. glaucus Maralyn A. Renner 1980-7-24 1993 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  JEPS72940  Elymus glaucus subsp. jepsonii W. L. Jepson 1940-6-28 20054 Siskiyou McCloud 975 Comment
  CHSC106273  Elymus trachycaulus subsp. trachycaulus Lowell Ahart; John Dittes 2010-7-30 16968 Siskiyou About 20 yards south of the Shasta River, about 50 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  JEPS107453  Elytrigia intermedia subsp. barbulata Lowell Ahart, John Dittes 2005-6-10 12121 Siskiyou North side of the corral, end of Salvadori Road, Nelson Ranch, about 1 1/4 miles (air) south of Highway 99/97 Cutoff, about 5 1/4 miles (air) east-southeast of Grenada 785 Comment
  CHSC106263  Elytrigia pontica subsp. pontica Lowell Ahart; John Dittes 2010-7-30 16956 Siskiyou About 30 yards west 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
  RSA463114  Epilobium angustifolium subsp. circumvagum 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
  HSC42892  Epilobium brachycarpum Ken Stillman 1976-8-15 407 Siskiyou Clearcut at junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  HSC26762  Epilobium brachycarpum J. P. Smith, J. O. Sawyer 1971-9-18 4851 Siskiyou 3.9 mi. from the junction of S.R. 3 and Rd. 8 near Callahan 1189 Comment
  HSC69374  Epilobium brachycarpum J. O. Sawyer, J. Cole 1980-7-19 3678 Siskiyou Near FS Rd. 45N0 2018 Comment
  HSC24684  Epilobium ciliatum subsp. ciliatum J. O. Sawyer 1969-8-4 1793 Siskiyou Along C.C.C. road 1341 Comment
  POM256465  Epilobium ciliatum subsp. ciliatum Edward Lee 1934-8-13 1068 Siskiyou Happy Camp to Waldo (Oregon) road, watershed of West Branch of Indian Creek, Klamath National Forest. 1372 Comment
  SDSU8813  Epilobium ciliatum subsp. ciliatum D. F. Howe 1972-7-5 4873 Siskiyou 0.6 mile south of Oregon state line on road to Happy Camp. 1707 Comment
  UC422955  Epilobium ciliatum subsp. glandulosum Milo S. Baker Aug. 1897 141 Siskiyou Payne's Springs Comment
  UC642587  Epilobium ciliatum subsp. glandulosum W. Bridge Cooke 1939-7-21 13718 Siskiyou meadow at Bear Springs Mount Shasta Comment
  UC1096797  Epilobium glaberrimum subsp. glaberrimum H. K. Wagnon 1957-8-11 1711 Siskiyou along crk. 1 mi n junction with Military Pass Rd; North Coast Ranges, Mt. Shasta, Ash Cr. Comment
  POM254606  Epilobium glaberrimum subsp. glaberrimum W. Bridge Cooke 1940-8-22 15472 Siskiyou Mount Shasta: near Clear Creek in Mud Creek Canyon 1982 Comment
  HSC19488  Epilobium hornemannii subsp. hornemannii J. O. Sawyer 1969-8-4 1798 Siskiyou Above Sugar Lake 2134 Comment
  UC1045238  Epilobium lactiflorum W. Bridge Cooke 1940-7-5 15291 Siskiyou along upper Wagon Camp Creek Mount Shasta Comment
  HSC60820  Epilobium minutum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  POM171633  Epilobium minutum Doris K. Kildale 1929-7-20 8690 Siskiyou Raspberry Lake, upper Indian Creek 1829 Comment
  CAS-BOT-BC171867  Epilobium septentrionale Geo. D. Butler 1910-7-9 1727 Siskiyou Wooly Creek 1676 Comment
  POM230320  Epilobium siskiyouense J. T. Howell 1937-7-29 s.n. Siskiyou Scott Mountain between Trinity and Siskiyou counties. Comment
  UC1181349  Epilobium siskiyouense R. Ornduff with J. R. Swanson 1960-7-27 6272 Siskiyou just below summit (nw side of mt.); Scott Mountain Comment
  HSC73294  Equisetum arvense Gail Newton 1980-6-20 516 Siskiyou Near Bald Mtn. 1097 Comment
  SEINET192292 Image available Equisetum hyemale W. B. Cooke 1941-8-28 16227 Siskiyou Near the Big Squaw Valley Creek spring above McCloud Mt Shasta 1464 Comment
  UC371169  Equisetum hyemale subsp. affine G. D. Butler 1909-4-11 878 Siskiyou Shasta Retreat Comment
  UC399180  Equisetum hyemale subsp. affine Geo. D. Butler 1909-6-22 877 Siskiyou Goosenest foothills Comment
  UC817674  Eragrostis mexicana subsp. virescens Louis C. Wheeler 1934-10-6 3314 Siskiyou Oak Knoll Ranger Station; Siskiyou Mts., Klamath River 670 Comment
  UC197191  Eragrostis pilosa var. pilosa Geo. D. Butler 1910-8-28 1857 Siskiyou Oro Fino Comment
  UC220632  Eremocarpus setiger H. E. Brown Jul 15 1897-Jul 31 1897 571 Siskiyou Mt. Shasta; s side 1524 Comment
  CAS-BOT-BC174101  Eremogone aculeata John Thomas Howell 1939-8-2 14916 a Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC65574  Eremogone congesta R. White 1977-7-7 116 Siskiyou Devil's Punchbowl, NE shore 1433 Comment
  CAS-BOT-BC174227  Eremogone congesta var. congesta C. L. Hitchcock; J. S. Martin 1939-7-9 5324 Siskiyou 1/2 mile southeast of King's Castle, Marble Mts. 1828 Comment
  CAS-BOT-BC174270  Eremogone congesta var. subcongesta W. R. Dudley 1899-8-22 s.n. Siskiyou Top of Spur - Craggy Peak Comment
  SEINET12875579 Image available Eremogone congesta var. suffrutescens Frederick W. Oettinger 1969-1 395 Siskiyou Trail break on Crapo Peak ridge 2195 Comment
  CAS-BOT-BC286698  Ericameria bloomeri S. Cooper Smith 1942-10-11 42 - 1 Siskiyou Shasta National Forest. On #99 Highway at Black Butte 1188 Comment
  CAS-BOT-BC286711  Ericameria bloomeri Geo. D. Butler 1910-8-7 1823 Siskiyou Humbug Mountains 1219 Comment
  UC60982  Ericameria bloomeri Geo. B. Grant 1902-9-1 5093 Siskiyou Horse Camp Mount Shasta, Horse Camp 2133 Comment
  CAS-BOT-BC287493  Ericameria greenei Louis C. Wheeler 1934-8-24 3220 Siskiyou Trapper Creek, Siskiyou Mts 1859 Comment
  HSC5334  Ericameria nauseosa Jerry Parker 1968-10-6 139 Siskiyou Near Sugar Creek bridge on Hwy. 3 Comment
  CAS-BOT-BC298253  Ericameria nauseosa var. oreophila Peter H. Raven 1956-9-5 10464 Siskiyou North Fork of the Sacramento River 1828 Comment
  SD73171  Ericameria nauseosa var. speciosa Darley F. Howe 1969-8-31 Siskiyou 4.5 miles north of Weed on HGighway 907. 1035 Comment
  UC134757  Ericameria nauseosa var. speciosa E. B. Copeland 1903-10-10 3785 Siskiyou Pacific Coast, Mt. Eddy 2225 Comment
  CAS-BOT-BC294305  Ericameria nauseosa var. speciosa Ella Dales Cantelow 1936-10-23 s.n. Siskiyou 16 mi. n.w. of Yreka, Klamath River, Hy #96 Comment
  UCD70112  Ericameria pinifolia D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-McCloud close to Snowmans Hill. Mount Shasta basis. Knobcone pine forests (Pinus attenuata). 1650 Comment
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Jul 18 2018
  CAS-BOT-BC293508  Erigeron aliceae Louis C. Wheeler 1934-7-3 2855 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1676 Comment
  UC595102  Erigeron aliceae David D. Keck 1938-8-6 4813 Siskiyou at Del Norte Co. line (summit of Siskiyou Mts., 4 mi s of Oregon line, on road Waldo to Happy Camp); Siskiyou Mts., Poker Flat 1554 Comment
  UC485174  Erigeron aphanactis var. aphanactis M. K. Curran 1887-7-1 Siskiyou Edgewood Comment
  HSC92420  Erigeron bloomeri var. bloomeri Jennifer Whipple 1976-6-30 1197 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  HSC19551  Erigeron cervinus J. O. Sawyer 1969-8-3 1778 Siskiyou Near Little Duck Lake 2073 Comment
  CAS-BOT-BC297163  Erigeron concinnus var. concinnus Elmer I. Applegate 1929-6-18 5737 Siskiyou About 5 miles north of Edgewood, Shasta Valley Comment
  JEPS94678  Erigeron filifolius Vernon H. Oswald and Lowell Ahart 1998-7-21 9313 Siskiyou on w side of Hwy 97 2.2 mi ne Lake Shastina-Big Springs Rd. (ne of Weed); Shasta NF plantation 975 Comment
  CAS-BOT-BC300472  Erigeron filifolius Edwin B. Copeland 1903-9-8 s.n. Siskiyou Foot of Mt. Eddy 1219 Comment
  HSC19249  Erigeron glacialis var. glacialis J. O. Sawyer 1968-7-10 508 Siskiyou On Sugar Creek just above confluence with S Sugar Creek 1707 Comment
  HSC69334  Erigeron glacialis var. glacialis John Palmer 1980-8-13 770 Siskiyou Klamath National Forest, Dead Cow Creek near F.S. Rd. 47N44 from Beaver Creek Rd. 1616 Comment
  SBBG21933  Erigeron inornatus D. Myrick 1964-7-25 971 Siskiyou Panther Meadows below Ski Bowl Lodge, Mt Shasta 2346 Comment
  SEINET5708483 Image available Erigeron inornatus var. inornatus Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7702 Siskiyou Scott Mtns. Collected along Road 17, 11.8 mi SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1955 Comment
  UC75286  Erigeron inornatus var. inornatus Copeland 1903-7-3 3531 Siskiyou Klamathon Comment
  CAS-BOT-BC295809  Erigeron petrophilus var. viscidulus Peter H. Raven 1956-9-4 10410 Siskiyou S. slope of Mt. Eddy 2682 Comment
  CAS-BOT-BC295811  Erigeron petrophilus var. viscidulus A. A. Heller 1914-8-28 11737 Siskiyou East side of Mt. Eddy 2499 Comment
  HSC41051  Erigeron petrophilus var. viscidulus J. O. Sawyer 1969-7-9 1108 Siskiyou Dry slope above Little Duck Lake. Grandiorite 2012 Comment
  HSC92789  Erigeron petrophilus var. viscidulus Jennifer Whipple 1976-7-13 1462 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River 2256 Comment
  RSA105313  Erigeron pumilus var. intermedius Milo S. Baker 1955-6-26 13073 Siskiyou Shasta Valley between Weed and Gazelle. 915 Comment
  CAS-BOT-BC224136  Eriodictyon californicum Doris K. Kildale; J. W. Gillespie 1929-6-25 8355 Siskiyou Klamath River, 6 miles north of Hornbrook 609 Comment
  RSA0020049  Eriogonum Anthony Baniaga 2011-7-8 430 Siskiyou Klamath National Forest. Along Salmon River, on Highway 93. 694 Comment
  JEPS57187  Eriogonum alpinum L. R. Heckard 1967-8-13 1687 Siskiyou Mt. Eddy; near summit 2712 Comment
  HSC30409  Eriogonum compositum var. compositum Frederick W. Oettinger 1968-8-23 614 Siskiyou Marble Mtn. Wilderness area, Diamond Lake spillway on way to English Lake 2058 Comment
  CAS-BOT-BC242527  Eriogonum congdonii Thomas W. Nelson; Jane P. Nelson 1983-8-12 7593 Siskiyou Klamath National Forest. Along forest road 40N02 ca. 1 mile north of juntion with State Route 3 at Scott Mountain Summit 1645 Comment
  LA206739  Eriogonum diclinum Louis Wheeler; 1934-9-1 3235 Siskiyou Siskiyou Mountains, Jaynes Canyon 1950 Comment
  RSA423109  Eriogonum douglasii var. douglasii M. B. Dunkle 1945-1 9324 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  UC375309  Eriogonum elatum Geo. D. Butler 1908-8-6 202 Siskiyou Independence Creek Comment
  CHSC1323  Eriogonum elatum var. elatum V. Holt 1943-8-10 Siskiyou Marble mountains. 1828 Comment
  CAS-BOT-BC255727  Eriogonum elatum var. elatum D. M. Traugh 1933-8-7 111 Siskiyou Klamath Forest 1981 Comment
  CAS-BOT-BC261217  Eriogonum hirtellum James L. Reveal; Darin S. Reveal 1978-8-9 4813 Siskiyou Along the dirt road to Baldy Mountain Lookout (USFS #17N11), 0.6 mile south of the junction of 17N23 on a ridge dividing Doolittle Creek and Little south Fork about 3.5 miles north-northeast of the lookout 1341 Comment
  RSA46819  Eriogonum luteolum var. luteolum Doris K. Kildale 1925-9-6 1281 Siskiyou Somes Bar. Comment
  RSA34058  Eriogonum marifolium A. A. Heller 1920-8-12 13522 Siskiyou Spring above Horse Camp Comment
  SD23786  Eriogonum marifolium Wm. Bridge Cooke 1938-8-18 11489 Siskiyou Mt. Shasta, lava slopes 2514 Comment
  UC618611  Eriogonum marifolium Susan Stokes 1938-8-21 11543 Siskiyou Horse Camp Flats Mount Shasta, Horse Camp Flats 2438 Comment
  UCD77665  Eriogonum marifolium Robert E. Preston 2002-7-12 1911 Siskiyou Klamath National Forest, S slope of Rainbow Mountain 1798 Comment
  CAS-BOT-BC263190  Eriogonum marifolium var. cupulatum A. A. Heller 1922-7-15 13694 Siskiyou At Medicine Lake 2133 Comment
  CAS-BOT-BC263192  Eriogonum marifolium var. cupulatum G. A. Coleman 1901-8-17 s.n. Siskiyou On Red Butte, Mt. Shasta 2560 Comment
  RSA800279  Eriogonum marifolium var. marifolium Rebecca Wenk 2008-7-23 904 Siskiyou Southwest side of Mount Shasta, trail from Bunny Flat to Sierra Club Cabin above Avalanche Gulch. 2119 Comment
  RSA393649  Eriogonum marifolium var. marifolium Cora Mae Life 1923-08 s.n. Siskiyou Near Horse Camp, Mt. Shasta. Comment
  HSC19506  Eriogonum nudum var. nudum J. O. Sawyer 1969-9-12 2005 Siskiyou Hanging valley N of Wildcat Peak 2012 Comment
  HSC78317  Eriogonum nudum var. nudum L. P. Janeway 1983-8-28 643 Siskiyou Poker Flat, dry NE edge of lower portion of meadow 1524 Comment
  RSA105481  Eriogonum nudum var. nudum Douglas Barbe 1955-6-28 9 Siskiyou 0.2 mile north of Callahan. 976 Comment
  CHSC70766  Eriogonum nudum var. pubiflorum A. Francis 1996-7-24 3639 Siskiyou South slope of Mt. Hoffman, NE of Arnica Sink. 2109 Comment
  HSC17320  Eriogonum nudum var. pubiflorum R. C. Wunner 1965-6-29 301 Siskiyou Lava Beds National Monument, near upper Caldwell Ice Cave entrance 1433 Comment
  UCD77662  Eriogonum nudum var. pubiflorum Robert E. Preston 2001-6-23 1566 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  POM105414  Eriogonum nudum var. pubiflorum Geo. D. Butler 1910-6-26 1605 Siskiyou Near Yreka Comment
  SD22390  Eriogonum nudum var. pubiflorum Susan G. Stokes 1932-7-14 Siskiyou Near Yreka Comment
  SEINET204352  Eriogonum ovalifolium var. purpureum Fred W. Hoffman 1948-7-12 2616 Siskiyou 2 miles west of junction of Little Shasta Road with Mt. Hebron Road. Comment
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May 8 2018
  UC572791  Eriogonum pyrolifolium W. Bridge Cooke 1937-7-28 9159 Siskiyou Mt. Shasta 2590 Comment
  CHSC34102  Eriogonum siskiyouense J. D. Jokerst; M. D. Huffine 1981-9-8 1463 Siskiyou E of and adjacent to rd. 1249 Comment
  UC849776  Eriogonum spergulinum var. reddingianum John Thomas Howell 1937-7-26 13561 A Siskiyou Salmon River Canyon between Big Flat and Caribou Gulch; Salmon River Canyon Comment
  RSA17458  Eriogonum sphaerocephalum Elmer I. Applegate 1935-6-5 9339 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  UC164306  Eriogonum sphaerocephalum var. halimioides Geo. D. Butler 1910-5-20 1371 Siskiyou Yreka Yreka Comment
  UC164466  Eriogonum sphaerocephalum var. halimioides Geo. D. Butler May 10 1909-Jun 6 1909 721 Siskiyou Yreka Comment
  UC1735886  Eriogonum strictum var. anserinum Dean W. Taylor 1987-8-7 9255 Siskiyou Caldwell Butte, Lava Beds National Monument 1499 Comment
  UCD101201  Eriogonum strictum var. proliferum Dean William Taylor; G. Ledyard Stebbins 1972-7-4 1623 Siskiyou along Highway 3, about 3 miles east of Etna. 1066 Comment
  CAS-BOT-BC263445  Eriogonum ternatum Doris K. Kildale 1929-7-20 8621 Siskiyou South fork Indian Creek to Elk Lick 1524 Comment
  CAS-BOT-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
  HSC69393  Eriogonum umbellatum Maralyn A. Renner 1980-9-9 2761 Siskiyou Medicine Mtn., ridge to SW 2058 Comment
  CAS-BOT-BC124189  Eriogonum umbellatum var. argus J. L. Reveal; Mark Lee Reveal 1975-8-15 3955 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Dry Lake Lookout Road (Forest Service Road 40S01) 2042 Comment
  POM211786  Eriogonum umbellatum var. argus Louis C. Wheeler 1934-9-1 3234 Siskiyou Siskiyou Mountains, Jaynes Canyon. 1951 Comment
  UC163833  Eriogonum umbellatum var. argus Geo. D. Butler 1908-8-6 205 Siskiyou Independence Creek Comment
  CHSC93534  Eriogonum umbellatum var. dumosum Lowell Ahart; John Dittes 2005-6-10 12085 Siskiyou Rocky hillside, about 150 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  UC902110  Eriogonum umbellatum var. lautum Joseph P. Tracy 1949-9-16 18562 Siskiyou 1 mi e Etna (Scott Valley); Scott Valley 883 Comment
  JEPS56219  Eriogonum umbellatum var. nelsoniorum W. L. Jepson 1937-7-30 18542 Siskiyou headwaters of Indian Creek Siskiyou Mts., Poker Flat, Indian Creek 1584 Comment
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Sep 9 2008
  CAS-BOT-BC265196  Eriogonum umbellatum var. nevadense Noel H. Holmgren; James L. Reveal 1966-6-9 2675 Siskiyou Shasta River Canyon, US 99, 5 miles north of Yreka, Siskiyou Mountains 853 Comment
  LA105219  Eriogonum umbellatum var. umbellatum Steve Morgan; 1987-7-28 sn Siskiyou Mount Shasta, Shasta Trinity National Forest, McGinnis Springs, 5 mi. NW of McCloud Comment
  CHSC36179  Eriogonum vimineum K. Bridwell 1978-7-5 165 Siskiyou Ca. 15 mi se of Macdoel, at base of Coyote Ridge. 1341 Comment
  HSC19531  Eriophorum crinigerum J. O. Sawyer 1969-8-4 1874 Siskiyou S of S Sugar Lake 2104 Comment
  RSA238941  Eriophorum crinigerum Frederick W. Oettinger 1968-9-7 754 Siskiyou Local on shistose rock of the Hancock Lake outlet falls surrounded by running water. Open site on NE end of Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  CAS-BOT-BC300353  Eriophyllum Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 8 Siskiyou Mumbo Basin, Trinity Mts. 1828 Comment
  CAS-BOT-BC301131  Eriophyllum lanatum var. achilleoides A. M. Vollmer; L. Beane 1951-6-2 40 Siskiyou Klamath River Highway, betw. U.S. 99 & Gottville Comment
  JEPS34733  Eriophyllum lanatum var. achilleoides W. L. Jepson 1937-7-23 18460 Siskiyou Yreka Comment
  UC507153  Eriophyllum lanatum var. achilleoides L. Constance 1933-7-6 E 119 Siskiyou 10 mi n Weed (near road to Klamath Falls) Comment
  UC896368  Eriophyllum lanatum var. achilleoides A. A. Heller 1916-7-22 12488 Siskiyou slope e side Mt. Eddy Comment
  CAS-BOT-BC301101  Eriophyllum lanatum var. achilleoides R. C. Barneby 1954-5-16 11506 Siskiyou Along Klamath R., 5 1/2 mi. upstream from Klamath River P. O. 548 Comment
  POM55441  Eriophyllum lanatum var. achilleoides Copeland 1903-7-6 3549 Siskiyou Hornbrook Comment
  UC563839  Eriophyllum lanatum var. achilleoides Elmer I. Applegate 1935-6-10 9474 Siskiyou Thomas massacre area Lava Beds National Monument Comment
  UC455785  Eriophyllum lanatum var. grandiflorum I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  JEPS86095  Eriophyllum lanatum var. integrifolium Wayne Roderick 1966-6-26 Siskiyou along Copper Butte Trail (Cook and Green Pass); Cook and Green Pass Comment
  CAS-BOT-BC301708  Eriophyllum lanatum var. lanceolatum Donald Myrick 1961-6-20 274 Siskiyou Near Mt. Shasta City Comment
  HSC58871  Eriophyllum lanatum var. lanceolatum Marvin Butler 1971-8-31 332 Siskiyou Near Youngs Valley, close to the town of Cave Junction 1403 Comment
  RSA488702  Eriophyllum lanatum var. lanceolatum James L. Reveal, Mark L. Reveal 1975-8-15 3952 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Dry Lake Lookout Road (Forest Service Road 40S01), 0.3 mile east of 47N30Y and 1.2 miles west of the Cleghorn Meadow Road. Comment
  UC705639  Eriophyllum lanatum var. lanceolatum Marion Ownbey and Fred G. Meyer 1940-7-4 2174 Siskiyou nw Hornbrook; Siskiyou Mountains Comment
  UCR51758  Eriophyllum lanatum var. lanceolatum M. B. Dunkle 1944-6-25 9019 Siskiyou Siskiyou Mtns,, Beaver Creek. (Coastal Northern California). 1325 Comment
  RSA15584  Eryngium articulatum C. B. Wolf 1927-8-27 7744 Siskiyou On the Klamath River at the mouth of Dillon Creek Comment
  UC166606  Erysimum capitatum Geo. D. Butler 1909-5-8 724 Siskiyou dry hill near Yreka Comment
  CAS-BOT-BC54699  Erysimum capitatum var. purshii Elmer I. Applegate 1935-6-6 9360 Siskiyou North base of Caldwell Butte, Lava Beds National Monument. Comment
  CAS-BOT-BC55112  Erysimum perenne William Bridge Cooke 1938-8-24 11583 Siskiyou Mount Shasta. Near North Gate, west of Grey Butte. 2133 Comment
  CAS-BOT-BC55114  Erysimum perenne William Bridge Cooke; V. G. Cooke 1963-7-10 34276 Siskiyou North side of Mount Shasta. East side of Bolam Canyon. 2438 Comment
  HSC199  Erysimum perenne William J. Ferlatte 1966-6-23 119 Siskiyou Dorleska Summit 2134 Comment
  HSC65343  Erysimum perenne Rich White 1978-7-20 264 Siskiyou Ridge top E of Raspberry Lake 1768 Comment
  HSC91047  Erysimum perenne Jennifer Whipple 1976-7-24 1557 Siskiyou SW of Dobkins Lake along the drainage into the lake 2287 Comment
  SEINET14287547  Erythranthe guttata G. D. Butler 1910-5-29 1423 Siskiyou Near Yreka. Comment
  CAS-BOT-BC502723  Erythronium grandiflorum V. Rattan 1879-6-1 s. n. Siskiyou NW California, Siskiyou Mts. Comment
  CAS-BOT-BC502724  Erythronium grandiflorum G. J. Muth 1969-8-8 1286 Siskiyou Gap Meadow, Boulder Peak Ridge 2286 Comment
  CAS-BOT-BC133301  Erythronium hendersonii Doris K. Kildale 1929-4-27 7489 Siskiyou Cecilville Comment
  SEINET10924656 Image available Eschscholzia californica Edwin B. Copel 1903-7-2 Copeland 3532 Siskiyou Klamathon. On a dry hill. Comment
  SD75848  Eucephalus glabratus Darley F. Howe 1969-8-9 Siskiyou North entrance to Siskyou National Forest. 1525 Comment
  CAS-BOT-BC310455  Eucephalus ledophyllus var. covillei Doris K. Kildale 1928-8-19 6577 Siskiyou Hancock Lake, on trail to Marble Mt. 2133 Comment
  JEPS31916  Eurybia radulina H. W. Furlong Sep 1901 Siskiyou summit to Ager; Northern Siskiyou Co Comment
  JEPS31925  Eurybia radulina Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson Upper Sacramento, Mt. Shasta Comment
  HSC42922  Euthamia occidentalis Ken Stillman 1976-8-31 462 Siskiyou Along the Klamath River at Williams Point. 366 Comment
  UC163873  Euthamia occidentalis Geo. D. Butler 1908-9-25 500 Siskiyou near Montague; Shasta River Comment
  CAS-BOT-BC283178  Festuca californica subsp. californica Clarence R. Quick 1959-6-19 59 -05 Siskiyou 3 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  CAS-BOT-BC278727  Festuca idahoensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11797 Siskiyou Scott Mountain Road south of Callahan Comment
  HSC30510  Festuca idahoensis Frederick W. Oettinger 1968-8-8 452 Siskiyou Marble Mtn. Wilderness Area, Crapo Meadow 2165 Comment
  HSC42966  Festuca idahoensis J. O. Sawyer, K. T. Stillman 1976-5-29 2752 Siskiyou Along Specimen Creek. 884 Comment
  HSC68574  Festuca idahoensis Maralyn A. Renner 1980-6-23 977 Siskiyou W Fork Seiad Creek 878 Comment
  JEPS72961  Festuca idahoensis W. L. Jepson 1940-6-28 20059 Siskiyou McCloud 975 Comment
  UC1190231  Festuca occidentalis Ira L. Wiggins 1955-7-24 13498 Siskiyou ridge between upper reaches of China Creek and Blind Horse Creek Comment
  UCD66145  Festuca occidentalis R. Tofsrud 1949-8-3 Siskiyou Soap Creek Ridge, between Yreka and Fort Jones. Comment
  UC1026159  Festuca pratensis Louis C. Wheeler 1935-6-2 3545 Siskiyou Shasta River Siskiyou Mts. Comment
  UC1034046  Festuca pratensis W. Bridge Cooke 1941-7-18 16056 Siskiyou Bear Springs Mount Shasta 1524 Comment
  UCD66265  Festuca roemeri R. Tofsrud 1949-8-3 Siskiyou Soap Creek Ridge, between Yreka and Fort Jones. Comment
  SEINET239826 Image available Festuca roemeri var. klamathensis Barbara L. Wilson 1996-6-22 8170 Siskiyou app. 6 mi west of the town of Weed; 2.5 mi southwest of the Gazelle Rd on the Stewart Springs Road (Forest Service Rd 17.) Comment
  UC1735838  Festuca viridula Dean W. Taylor 1999-8-12 17311 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1889 Comment
  CAS-BOT-BC133121  Fragaria L. B. Kildale 1930-6-1 9855 Siskiyou Summit between Sawyers Bar and Etna Mills Comment
  HSC36713  Fragaria vesca Brent Whitely 1975-7-3 135 Siskiyou 1220 Comment
  JEPS128459  Fragaria virginiana Julie Kierstead Nelson with Martin Lenz 2015-6-18 2015 -060 Siskiyou Headwaters of West Fork Parks Creek, 2 miles NNE of China Mountain; 7 miles W of town of Weed. Comment
  UCD113273  Fragaria virginiana J. M. Tucker; D. V. Hemphill 1974-7-26 4295 Siskiyou Vicinity of Let 'Er Buck Meadows, ca. 1/2 mile southeast of Haypress Meadows, Marble Mountain Wilderness Area. 1432 Comment
  UC54341  Fragaria virginiana subsp. platypetala H. M. Hall and E. B. Babcock 1903-6-18 4135 Siskiyou Pole Canyon Sierra Nevada Mountains (ne Shasta County) 1463 Comment
  CAS-BOT-BC447518  Fragaria virginiana var. platypetala Wm. Bridge Cooke 1938-7-15 11251 Siskiyou Wagon Camp. Occasional along the outer fringe of the meadow in dry locations. 1737 Comment
  CAS-BOT-BC53259  Frangula californica subsp. californica Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  CAS-BOT-BC53415  Frangula californica subsp. occidentalis Edward Lee 1934-8-13 1060 Siskiyou Happy Camp to Waldo (Oregon) road, watershed of West Branch of Indian Creek, Klamath National Forest 1219 Comment
  HSC92145  Frangula californica subsp. occidentalis Jennifer Whipple 1976-9-3 1776 Siskiyou Near Little Crater Lake 2195 Comment
  CAS-BOT-BC53419  Frangula californica subsp. occidentalis Dorothy Parker 1950-6-27 465 Siskiyou Near an irrigation ditch in Scott Valley 883 Comment
  UCD35441  Frangula purshiana Beecher Crampton 1956-8-21 3852 Siskiyou 3.5 miles southwest of Mt. Shasta City, slopes above the Sacramento River. 1005 Comment
  CAS-BOT-BC223586  Fraxinus latifolia L. R. Short 1933-6-8 33 Siskiyou Klamath National Forest. Klamath River bank 701 Comment
  POM130859  Fraxinus latifolia E. B. Copeland 1903-7-4 3559 Siskiyou Klamathon Comment
  HSC36976  Fritillaria atropurpurea J. P. Smith 1974-5-26 7580 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  HSC91455  Fritillaria atropurpurea Jennifer Whipple 1976-6-17 1018 Siskiyou N face of Mt. Eddy 2226 Comment
  HSC36901  Fritillaria recurva J. P. Smith 1974-5-26 7542 Siskiyou Along FS Rd. 47N03 1524 Comment
  RSA607097  Fritillaria recurva Louis C. Wheeler 1935-6-9 3556 Siskiyou Yreka Creek, Siskiyou Mountains. 1220 Comment
  POM367777  Galium aparine M. B. Dunkle 1944-6-25 9016 Siskiyou Siskiyou National Forest. 1677 Comment
  HSC58970  Galium bifolium Gilbert Muth 1975-7-29 3075 Siskiyou Near Kangaroo Mtn., close to the town of Seiad Valley 1756 Comment
  UC163753  Galium bolanderi Geo. D. Butler 1908-6-28 414 Siskiyou hill e Oro Fino Comment
  HSC35803  Galium bolanderi J. O. Sawyer 1969-6-11 814 Siskiyou Near C.C.C. road above Paynes Lake Creek 1357 Comment
  SBBG18844  Galium bolanderi C. B. Hardham 1961-7-2 8051 Siskiyou banks of Scott River S of Steelhead Comment
  HSC68987  Galium glabrescens Maralyn A. Renner 1980-7-28 2159 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  UC1949249  Galium glabrescens Barbara Ertter 1990-7-14 9329 Siskiyou Wagon Creek on E side of Mt Eddy, ca 4 airmiles W of Mt. Shasta City Comment
  JEPS74702  Galium grayanum J. M. Tucker, L. K. Mann and S. L. Holloway 1963-8-18 3755 Siskiyou se-facing slope on sw ridge of mt. Marble Mountain Wilderness Area, Black Mountain (Black Marbl 2133 Comment
  JEPS104959  Galium serpenticum subsp. scotticum Dean W. Taylor 1996-6-26 15759 Siskiyou serpentine ridge on west hills of Scott Valley, on divide between Cedar Gulch and Sugar Creek (about 10 miles south of Etna); Klamath National Forest 1112 Comment
  RSA0005773  Galium serpenticum subsp. scotticum Lauramay T. Dempster, C. Hardham 1961-7-3 1877 Siskiyou about 2 miles below summit (i.e. east of) on road southwest of Callahan. 1829 Comment
  UC139339  Galium trifidum Copeland 1903-8-13 3888 Siskiyou Sisson Comment
  UC163751  Galium trifidum Geo. D. Butler 1910-7-9 1691 Siskiyou Shackleford Creek 1219 Comment
  POM358717  Gamochaeta ustulata Edwin Kline 1920-7-19 s.n. Siskiyou Siskiyou Mts. Comment
  CAS-BOT-BC182154  Garrya fremontii Baki Kasapligil 1981-7-26 6189 Siskiyou Between road junction going to Bolan Lake (glacier lake) Comment
  HSC19180  Garrya fremontii J. O. Sawyer 1968-7-23 608 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  HSC30576  Gaultheria ovatifolia Frederick W. Oettinger 1969-7-14 1011 Siskiyou Marble Mountain Wilderness Area, N shore line of Charmaine Lake 1921 Comment
  SEINET10939948  Gayophytum Mary Merello 1993-6-25 Merello 723 Siskiyou Shasta National Forest. At end of Forest Service Road 39N 28, road to Lower Falls and Fowlers Campground. Open conifer woodlands. Disturbed. Along McCloud River. 970 Comment
  JEPS74436  Gayophytum diffusum subsp. parviflorum W. J. Ferlatte 1966-8-2 237 Siskiyou Big Flat Trinity Alps (wooded area near public camp) 1524 Comment
  HSC77275  Gayophytum diffusum subsp. parviflorum L. P. Janeway 1983-8-28 629 Siskiyou At Poker Flat. Dry W side of lower portion of meadow. 1524 Comment
  RSA237860  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1969-8-14 1380 Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area 1738 Comment
  JEPS24633  Gayophytum heterozygum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6788 Siskiyou a little above and e McBride Springs (s slopes of mt.); Mt. Shasta 1432 Comment
  JEPS27538  Gayophytum heterozygum Willis L. Jepson 1894-8-4 14436 Siskiyou Horse Camp Upper Sacramento, Mt. Shasta Comment
  UC204395  Gayophytum heterozygum A. A. Heller 1914-8-25 11708 Siskiyou near Deetz Station (opposite Black Butte) 1158 Comment
  SBBG25880  Gayophytum humile D. Myrick 1966-8-9 1505 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  CHSC659  Gentiana calycosa E. G. England 1939-7-16 Siskiyou Mt. Eddy. 2286 Comment
  HSC34271  Gentiana plurisetosa J. P. Smith, J. O. Sawyer 1973-8-14 7320 Siskiyou W of Cliff Lake 1982 Comment
  RSA238866  Gentiana plurisetosa Frederick W. Oettinger 1968-8-17 562 Siskiyou Bear Meadow, mid-way between Tom Taylor Cabin and English Peak Lookout. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  SEINET8586810  Gentianella amarella M. J. Williams 1967-9-2 1157 Siskiyou Mount Eddy, Deadfall Lake Trail. 1951 Comment
  JEPS24817  Gentianella tenella subsp. tenella Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6831 Siskiyou just n and below Scott Mountain road summit 1615 Comment
  JEPS47061  Gentianopsis simplex W. L. Jepson July 1894 14648 Siskiyou Sisson near Mt. Shasta; Sisson Comment
  UC618838  Geum macrophyllum W. Bridge Cooke 1938-7-1 11119 Siskiyou Mount Shasta, Bear Springs Bear Springs; Mount Shasta, Bear Springs 1524 Comment
  CAS-BOT-BC143587  Geum triflorum L. E. Smith 1913-5-18 229 Siskiyou Bray Comment
  UC722695  Geum triflorum C. L. Hitchcock, J. S. Martin 1939-7-9 5326 Siskiyou 1/2 mi se of King's Castle (Marble Mountains); Marble Mountains 1828 Comment
  HSC68489  Gilia capitata Maralyn A. Renner 1980-6-9 844 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  JEPS82471  Gilia capitata subsp. capitata Gilbert Muth 1966-7-8 371 Siskiyou Marble Valley Meadow , Marble Valley Meadow (Marble Mt. Wilderness Area) 1792 Comment
  UC1258442  Gilia capitata subsp. capitata Maralyn A. Renner 1980-7-23 1848 Siskiyou near ridge about 1 mi e Cook and Green Pass (Pacific Crest Trail); Seiad Valley Quad., Klamath National Forest 1752 Comment
  UC922455  Gilia capitata subsp. capitata Annie M. Alexander and Louise Kellogg 1949-7-21 5825 Siskiyou Paradise Lake Marble Mountains, Paradise Lake 1920 Comment
  HSC26904  Glyceria striata J. P. Smith, J. O. Sawyer 1971-9-17 4784 Siskiyou On trail up to Little Duck lake 1829 Comment
  SDSU1119  Glyceria striata D. F. Howe 1962-8-4 3387 Siskiyou Baldy Mt., in pool of water. 1524 Comment
  POM208364  Gnaphalium palustre L. C. Wheeler 1934-6-10 2676 Siskiyou Hungry Creek; Siskiyou Mts. Comment
  CAS-BOT-BC123669  Grindelia nana var. nana Amos Arthur Heller 1917-9-7 12979 Siskiyou Shasta valley, ten miles S of Gazelle 914 Comment
  UCD98141  Gypsophila paniculata T. C. Fuller 1963-8-27 11160 Siskiyou n. limits of Macdoel. Comment
  UCD98143  Gypsophila paniculata J. M. Tucker 1950-7-25 1963 Siskiyou Dorris. Comment
  SEINET1911810  Hackelia R. Tofsrud, J. M. Tucker 1948-1 1783 Siskiyou Openings in Yellow Pine woods, ca. 1.5 miles northwest of McCloud, California Comment
  UC1408782  Hackelia bella Frederick W. Oettinger 1968-8-11 476 Siskiyou 30 yards se of Tom Taylor Cabin (High Lake Basins in Vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2026 Comment
  CAS-BOT-BC94407  Hackelia bella R. C. Wenk 2005-7-15 209 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass between Yellow Rose 2133 Comment
  UCSB15833  Hackelia californica Breedlove, Dennis 1962-6-11 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Mountains 1127 Comment
  CAS-BOT-BC231153  Hackelia cusickii Gary Schoolcraft 1985-6-18 1438 Siskiyou 0.25 mile W of Red Rock Lakes 1493 Comment
  JEPS67926  Hackelia micrantha Geo. D. Butler 1909-7-15 941 Siskiyou head of Taylor Creek (Highland Mine); , Highland Mine Comment
  RSA0001258  Haplopappus racemosus subsp. pinetorum D. D. Keck 1938-8-8 4862 Siskiyou Scott Mtns., ridge between Mill and Mule Creeks, 3 mi. S.E. of Scott mt. Lodge. 1340 Comment
  HSC559  Hastingsia alba William J. Ferlatte 1966-7-7 203 Siskiyou Caribou Basin 1982 Comment
  JEPS35549  Helenium autumnale Geo. D. Butler 1908-8-30 Siskiyou near Fort Jones (bank of Scott River); Scott River Comment
  CAS-BOT-BC306740  Helenium bigelovii J. M. Tucker 1963-8-17 3738 Siskiyou Lower Red Rock Valley, Marble Mountain Wilderness Area 1493 Comment
  CAS-BOT-BC306742  Helenium bigelovii Alice Eastwood 1921-7-25 10847 Siskiyou Bigelows, McCloud River Comment
  CAS-BOT-BC306756  Helenium bigelovii Doris K. Kildale 1929-7-20 8712 Siskiyou Raspberry Lake, upper South Fork of Indian Creek 1828 Comment
  RSA261538  Helenium bigelovii J. M. Tucker 1974-7-28 4306 Siskiyou Haypress Meadows, Marble Mtn Wilderness Area 1463 Comment
  UC456025  Helenium bigelovii I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1828 Comment
  UCD132732  Helenium bigelovii Bruce G. Baldwin 1987-8-3 681 Siskiyou Shasta-Trinity National Forest, west of Mt. Shasta, 3.1 miles west of junction with Toad Lake Road along road to Gumboot Lake (along South Fork of the Sacramento River). Comment
  UC637159  Helenium puberulum Edward Lee 1934-8-12 1050 Siskiyou near mouth Walker Creek (e end of valley. Creek a tributary of the Klamath River); Seiad Valley 426 Comment
  CAS-BOT-BC305316  Helianthella Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Mumbo Basin, Trinity Mts. 1828 Comment
  HSC81556  Helianthella californica var. nevadensis Thomas W. Nelson, Jane P. Nelson 1980-7-20 6164 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  NY179044  Helianthella californica var. shastensis A. A. Heller 1916-7-22 12489 Siskiyou East side of Mt. Eddy 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-BC305470  Helianthus annuus W. B. Cooke; V. G. Cooke 1974-8-20 49243 Siskiyou Memorial Highway, Mt. Shasta Comment
  OBI55529  Helianthus bolanderi David J. Keil, Kathleen Keil 1992-7-21 23516 Siskiyou Klamath Natl Forest SE of Callahan on hwy 3, 2.1 mi NW of Scott Mtn summit Comment
  UCD119422  Heliotropium curassavicum var. oculatum Verne Grant; Irving Schneider 1947-8-26 8303 Siskiyou By Interstate Highway, Lower Klamath Lake. Comment
  JEPS29203  Hemizonella minima Lauramay T. Dempster 1961-7-1 1825 Siskiyou along ridge from Condry Peak to White Mountain Comment
  HSC69511  Heracleum maximum Maralyn A. Renner 1980-7-14 1735 Siskiyou Near road at switchback, headwaters of Etna Creek 1707 Comment
  JEPS1674  Hesperochiron californicus Doris Utz 1934-4-18 Siskiyou Etna Comment
  HSC43383  Hesperochiron pumilus Maralyn O'Meara 1974-5-26 459 Siskiyou Along USFS Rd. 47N03 1524 Comment
  UC1540189  Hesperolinon micranthum Dean Wm. Taylor and Glenn L. Clifton 1987-6-24 9051 Siskiyou Tom Young Flat McCloud River drainage 1280 Comment
  JEPS116583  Hesperolinon micranthum Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -018 Siskiyou North side of Mt. Shasta, south Hwy 97, along Forest Service Rd. 42N84 Mt. Shasta (Hotlum Fire area burned Feb 2006 ca. 4 mi NE of town of Weed.) 1249 Comment
  JEPS19801  Hesperolinon micranthum Rimo Bacigalupi with S. Galen Smith 1957-6-27 6024 Siskiyou hill just w <town unspecified> town limits 1036 Comment
  JEPS24011  Hesperolinon micranthum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6872 Siskiyou along the road 4.7 mi below (n of) Scott Mtn. (road summit, just s of and above Callahan) 1127 Comment
  UC163946  Heterotheca oregona var. rudis Geo. D. Butler 1910-7-16 1790 Siskiyou Oro Fino Comment
  SBBG83848  Heterotheca villosa var. minor K. T. Stillman 1976-9-10 497 Siskiyou Marble Mtn Wilderness Area, E side of Black Mtn Comment
  CAS-BOT-BC420709  Heuchera merriamii John Thomas Howell 1937-7-24 13400 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC420711  Heuchera merriamii John Thomas Howell 1939-8-2 14863 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC94870  Heuchera merriamii R. C. Wenk 2006-9-2 555 Siskiyou Trail to Caribou Lakes from Big Flat Meadow, above Big Conrad Gulch 1950 Comment
  HSC103908  Heuchera merriamii Dana York, Richard Helliwell 2010-9-11 3011 Siskiyou Klamath National Forest. North slope of Broken Rib Mountain 1616 Comment
  UC705562  Heuchera merriamii Marion Ownbey, Fred G. Meyer 1940-7-6 2203 Siskiyou w side Cayenne Ridge (at summit); Marble Mountain Comment
  UC1408927  Hieracium albiflorum Frederick W. Oettinger 1969-9-4 1641 Siskiyou Hancock Lake, NW side Salmon Mountains, Marble Mountains Wilderness Area (vicinity of English Peak) 1950 Comment
  UC1483492  Hieracium albiflorum J. Sawyer and J. Cole 1980-7-22 3927 Siskiyou nw slopes Cedar Mtn.; Klamath National Forest, Bray Quad., Cedar Mtn. 1524 Comment
  UC618643  Hieracium albiflorum unknown 1938-7-15 11169 Siskiyou Bear Springs Mount Shasta, Bear Springs Comment
  RSA184624  Hieracium albiflorum Clare B. Hardham 1965-08 13004 Siskiyou Near Cudahy Lakes, Marble Mountains 1524 Comment
  RSA237531  Hieracium gracile Frederick W. Oettinger, R. F. Thorne 1969-8-4 1163 Siskiyou Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC1408935  Hieracium horridum Frederick W. Oettinger 1969-9-3 1610 Siskiyou below English Peak (w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, Shasta Ri 2072 Comment
  RSA238742  Hieracium scouleri Frederick W. Oettinger 1969-9-3 1609 Siskiyou Shasta Ridge below English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  HSC40423  Holodiscus microphyllus J. O. Sawyer 1973-7-16 2541 Siskiyou Wooley Creek at junction with Bridge Creek. Comment
  CAS-BOT-BC150136  Holodiscus microphyllus var. glabrescens Geo. B. Grant 1902-9-1 583 Siskiyou Mt. Shasta Comment
  CHSC71295  Holosteum umbellatum subsp. umbellatum Vernon H. Oswald; Lowell Ahart 1998-6-11 9201 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. Meadow. 1402 Comment
  UC1025006  Hordeum brachyantherum subsp. brachyantherum Leo Whitney 1935-7-15 3469 Siskiyou 2 mi SE of Medicine Lake (Bullseye Lake) Comment
  CAS-BOT-BC143965  Horkelia daucifolia D. E. Breedlove 1962-6-11 3340 Siskiyou Along Scott River, 0.5 mile south of Scott Bar 548 Comment
  CAS-BOT-BC143938  Horkelia daucifolia M. K. C. 1887-1-1 s.n. Siskiyou Ager Comment
  CAS-BOT-BC143958  Horkelia daucifolia Lincoln Constance; Reed C. Rollins 1942-5-13 2913 Siskiyou Scott River 2 miles south of Scott Bar 548 Comment
  SEINET6755777  Horkelia daucifolia G. D. Butler 1910-5-4 1272 Siskiyou Dry hill near Yreka. Comment
  HSC60168  Horkelia daucifolia var. daucifolia J. P. Smith 1976-5-21 8766 Siskiyou Klamath National Forest, FS Rd. 40N08, 6.9 mi. from its junction with Hwy. 3 1524 Comment
  JEPS80666  Horkelia fusca subsp. parviflora W. B. & V. G. Cooke 1970-7-22 42689 Siskiyou 0.5 mi above US-97 (Andesite Road); Mt. Shasta Comment
  JEPS82346  Horkelia fusca subsp. parviflora L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2302 Siskiyou .8 mi s Bray (junction of U. S. 97); Murphy Wells 1493 Comment
  UC860226  Horkelia fusca subsp. parviflora A. A. Heller 1916-6-23 12429 Siskiyou n Sisson (near Black Butte) Comment
  RSA174976  Horkelia fusca var. brownii E. K. Balls, Lee W. Lenz 1956-6-18 21804 Siskiyou 1.4 miles W of Bartle (jct with road to Lava Beds), Hwy 89, McCloud to Burney. 1220 Comment
  SEINET10736875 Image available Horkelia fusca var. brownii H. E. Brown 1897-7-15 Brown 530 Siskiyou Southwest side Mt. Shasta. 1524 Comment
  CAS-BOT-BC536226  Horkelia fusca var. parviflora John Thomas Howell 1937-7-21 13168 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC514289  Horkelia fusca var. pseudocapitata A. A. Heller 1927-8-1 14435 Siskiyou Near Shasts City (Sisson) [type (of H. brownii) collected on the south side of Mt. Shasta] Comment
  CAS-BOT-BC514290  Horkelia fusca var. pseudocapitata A. A. Heller 1938-7-12 15258 Siskiyou Near the summit of Deer Mountain on US Hwy 97 1767 Comment
  CAS-BOT-BC514292  Horkelia fusca var. pseudocapitata Alice Eastwood 1921-7-25 10810 Siskiyou Bigelows, McCloud River Comment
  SBBG2951  Horkelia fusca var. tenella H. and M. Dearing 1938-6-27 2173 Siskiyou bank of McCloud River, near Bartle Comment
  UC481099  Horkelia tridentata subsp. tridentata W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  UC545673  Horkelia tridentata subsp. tridentata Louis C. Wheeler 1934-6-29 2821 Siskiyou Beaver Creek Siskiyou Mts., Mt. Diablo Mer 1341 Comment
  HSC73233  Hosackia crassifolia Gail Newton 1980-6-20 507 Siskiyou Near Bald Mtn. 1097 Comment
  CHSC63336  Hosackia pinnata Vernon H. Oswald; Lowell Ahart 1994-7-11 6401 Siskiyou Gumboot Creek on the upstream side of Forest Rd. 26 (to Mt. Shasta), ca. 0.5 mi NE of Gumboot Lake, W of Dunsmuir. 1783 Comment
  UC1949031  Hosackia pinnata Barbara Ertter with Julie Kierstead and Jim Nelson 1990-4-15 9355 Siskiyou MOrgon Meadows on E side of Mt Eddy ca 5 airmiles due W of Mt Shasta City Comment
  JEPS79757  Hulsea nana L. R. Heckard 1967-8-13 1701 Siskiyou Mt. Eddy; summit region 2743 Comment
  UC169012  Hydrophyllum occidentale Harley P. Chandler 1901-6-24 1588 Siskiyou near Marble Mountain (between Haypress Meadow and Cottei Meadow); North Coast Ranges 2133 Comment
  CAS-BOT-BC312847  Hymenoxys lemmonii Alice Eastwood; John Thomas Howell 1936-6-13 2751 Siskiyou 6 miles n. of Weed Comment
  CAS-BOT-BC400991  Hypericum anagalloides Alice Eastwood 1921-7-29 10968 Siskiyou Medicine Lake Comment
  RSA238860  Hypericum androsaemum Frederick W. Oettinger 1968-8-7 444 Siskiyou Inlet to Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  SEINET6178738  Hypericum perforatum Alv Dan Youngberg 1964-6-15 20 Siskiyou Growing in a grass and brush cover. Humbolt Meridian.; 0 366 Comment
  SEINET5344270  Hypericum scouleri G. Butler 1910-7-3 1627 Siskiyou Goosenest foothills 1219 Comment
  RSA792304  Ipomopsis aggregata Rebecca Wenk 2008-7-23 905 Siskiyou Southwest side of Mount Shasta, trail from Bunny Flat to Sierra Club Cabin above Avalanche Gulch. 2119 Comment
  UC455677  Ipomopsis aggregata I. J. Condit 1911-7-22 Siskiyou below Horse Camp; Mt. Shasta 2286 Comment
  CHSC65501  Ipomopsis aggregata subsp. formosissima Maria Ulloa-Cruz 1994-8-3 68 Siskiyou Shasta-Trinity National Forests. Mount Shasta Ranger District. West arm of Panther Creek. On slope next to road. 1800 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
  RSA237944  Ipomopsis aggregata subsp. formosissima Frederick W. Oettinger 1967-7-26 198 Siskiyou Northeastern end of Crapo Peak ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  RSA469553  Ipomopsis aggregata subsp. formosissima L. C. Wheeler 1934-7-3 2857 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. (Mt. Diablo Mer.) 1676 Comment
  SEINET12056881  Iris macrosiphon H. P. Chandler 1901-1 1570 Siskiyou near Marble Mountain 1829 Comment
  POM109031  Iris missouriensis Geo D. Butler 1910-6-3 1467 Siskiyou Quartz Valley. Comment
  SDSU11760  Iris missouriensis D. F. Howe 1972-7-8 4883 Siskiyou Grass Lake, 21 miles north of Weed on #97 1524 Comment
  UC1174790  Iris tenuissima L. W. Lenz 1953-5-17 18313 Siskiyou 1.25 mi above Salmon River junction with Klamath (along Salmon River); Salmon River 176 Comment
  CAS-BOT-BC88651  Isatis tinctoria Gilbert Muth 1960-7-5 349 Siskiyou Lover Camp. 1249 Comment
  UC400938  Isoetes bolanderi Geo. D. Butler 1908-8-3 256 A Siskiyou Log Lake, Shackleford Creek Log Lake Comment
  JEPS83821  Isoetes occidentalis Wayne Roderick 1984-8-7 Siskiyou vicinity of Cook & Green pass (near Lily Pad Lake in Little Duck Lake); Siskiyoyu Mts., Little Duck Lake 1981 Comment
  JEPS57180  Ivesia gordonii L. R. Heckard 1967-8-13 1695 Siskiyou summit region Mt. Eddy; Mt. Eddy summit region 2743 Comment
  HSC72377  Ivesia gordonii var. ursinorum J. P. Smith, L. Barker, J. Cole, Jennifer Whipple 1976-7-28 8958 Siskiyou Sikiyou-Trinity county line, summit of Mt. Eddy 2752 Comment
  POM35450  Ivesia gordonii var. ursinorum E. B. Copeland 1903-8-18 3900 Siskiyou Mount Eddy. 2744 Comment
  UC114527  Ivesia pickeringii T. S. Brandegee Jul 1887 Siskiyou Edgewood Comment
  CHSC60615  Juncus articulatus L. P. Janeway 1983-9-23 696 Siskiyou Along edge of Rd 18N33 ca 6 mi form Grayback Road. 1432 Comment
  CHSC40151  Juncus balticus L. P. Janeway 1983-8-28 639 Siskiyou At Poker Flat, a meadow. Middle of lower portion of meadow. 1524 Comment
  CHSC78934  Juncus balticus Rhonda Posey 2000-8-17 Siskiyou Mud Creek Meadows; along Road 42N13 (Pilgrim Creek Road) about 3.5 mi northeast of the McCloud Ranger District office in McCloud. 1097 Comment
  HSC30703  Juncus drummondii Frederick W. Oettinger 1968-8-2 360 Siskiyou Marble Mtn. Wilderness Area, E shore of Diamond Lake 2073 Comment
  UC1026903  Juncus effusus subsp. pacificus F. J. Hermann 1940-7-26 15357 Siskiyou along Black Butte Spring creek Mount Shasta 1219 Comment
  HSC62306  Juncus ensifolius Al Hobart 1968-6-18 Siskiyou Youngs Valley Comment
  HSC77127  Juncus ensifolius L. P. Janeway 1983-8-3 482 Siskiyou 350 m N of W Branch Guard Station 671 Comment
  UCSB63785  Juncus kelloggii Oswald, Vernon; Ahart, Lowell 1998-7-21 Siskiyou Northeast of Weed; east of Grass Lake; and west of Bray on Old State Highway; 0.8 mi east of Tennant Rd; T44N R1W SW'/i Sect. 20 1417 Comment
  JEPS74125  Juncus mexicanus Geo. D. Butler 1910-5-26 1409 Siskiyou Yreka Comment
  HSC22106  Juncus orthophyllus J. O. Sawyer 1969-7-26 1577 Siskiyou SE facing slope near Sugar Creek 1700 Comment
  RSA238912  Juncus orthophyllus Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1299 Siskiyou At Sundew Bog on SE-facing gradual slope due W of the English Lake main camp. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC74838  Juncus patens J. P. Smith, J. O. Sawyer 1978-7-3 10007 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  SEINET4856378  Juncus trilocularis Louis C. Wheeler 1934-6-22 2753 Siskiyou Klamath NF: Cottonwood Creek. 915 Comment
  POM110818  Juncus xiphioides Geo D. Butler 1910-7-15 1784 Siskiyou Oro Fino Comment
  CAS-BOT-BC80908  Juniperus Mrs. G. Earle Kelly 1924-6-1 s.n. Siskiyou Eagle ridge, Klamath L. Comment
  HSC40469  Juniperus communis var. jackii J. O. Sawyer 1973-7-18 2553 Siskiyou 1524 Comment
  SFV5113  Juniperus grandis B. C. Templeton 1957-6-21 Siskiyou North of Callahan Comment
  SEINET10826625  Juniperus occidentalis J. William Thompson 1936-7-8 Thompson 13156 Siskiyou Lava slopes of Lava Beds, National Monument. Comment
  SEINET11056662  Juniperus occidentalis var. occidentalis D. Charlet, T. Charlet 1996-11-25 2343 Siskiyou Scott Mountains, on road to Callahan, 9 road miles SW of summit. 1116 Comment
  UC1409438  Kalmia polifolia subsp. microphylla Frederick W. Oettinger 1968-8-1 348 Siskiyou along inlet to Little Hancock Lake (in the vicinity of English Peak, Marble Mountain Wilderness Area, western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2042 Comment
  HSC61178  Keckiella corymbosa Ruby Van Deventer 1960-7-14 Siskiyou Dillon Creek Comment
  HSC77232  Keckiella lemmonii L. P. Janeway 1983-8-21 577 Siskiyou FS Rd. 18N15, 3 mi. from FS Rd. 18N24 (Mill Creek Rd.) 1311 Comment
  NY790343  Keckiella lemmonii D. C. Michener 1980-8-3 3773 Siskiyou Klamath Mountains. Above road along CA 96 and the Klamath River ca. 8.2 miles northeast of Happy Camp. Comment
  UCSB23746  Keckiella lemmonii Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass Road; 21.3 miles north of Seiad Valley 1310 Comment
  HSC90522  Kelloggia galioides Jennifer Whipple 1977-8-5 2178 Siskiyou Wagon Creek Drainage on the E face of Mt. Eddy 2256 Comment
  SD76172  Kelloggia galioides Helen V. Witham 1969-10-6 558 Siskiyou Rocky slope above Kangaroo Lake, Scott Mts. 2400 Comment
  UC164422  Kelloggia galioides Geo. D. Butler 1910-7-3 1631 Siskiyou Goosenest foothills 1219 Comment
  JEPS94847  Kochia scoparia Vernon H. Oswald and Lowell Ahart 1998-9-16 9634 Siskiyou Highway 161 adjacent to a marsh at Lower Klamath National Wildlife Refuge (5.3 mi e of Highway 97) 1243 Comment
  HSC75131  Koeleria macrantha J. P. Smith, Thomas W. Nelson 1979-6-16 10130 Siskiyou Along State Route 3, 4.4 mi. from the Scott Mtn. summit. 1220 Comment
  RSA17727  Koeleria macrantha Elmer I. Applegate 1935-6-8 9435 Siskiyou Bear Paw Cave, Lava Beds National Monument. Comment
  CDA32434  Koeleria macrantha Vernon H. Oswald & Lowell Ahart 1998-6-11 9194 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  RSA0104247  Kopsiopsis strobilacea Frederick W. Oettinger 1968-8-17 550 Siskiyou Approx. 20 yards S off the Tom Taylor Cabin-Pine Lake trail just after one leaves the first patch of Red Fir woods (heading towards Pine Lake). 2072 Comment
  POM147897  Lactuca canadensis J. B. Feudge 1927-7-22 1780 Siskiyou Mt. Shasta City 1067 Comment
  CHSC91340  Lagophylla ramosissima subsp. ramosissima Lowell Ahart; John Dittes 2005-6-9 12016 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  HSC68343  Lathyrus delnorticus Maralyn A. Renner 1980-7-4 1425 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  RSA406676  Lathyrus polyphyllus M. B. Dunkle 1944-6-25 9018 Siskiyou Siskiyou National Park. Comment
  HSC60891  Leersia oryzoides Ken Stillman 1976-8-24 433 Siskiyou Along Klamath River at Williams Point. 366 Comment
  RSA105420  Lemna G. D. Barbe 1955-6-29 50 Siskiyou 4.1 miles southeast of Etna on the Eastside road 915 Comment
  JEPS117619  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) sou 716 Comment
  CAS-BOT-BC534903  Lemna turionifera Alice Eastwood 1912-7-17 1146 Siskiyou Sisson Comment
  CAS-BOT-BC12834  Lepidium perfoliatum Doris K. Kildale 1929-6-25 8356 Siskiyou 6 miles north of Klamath River on Pacific Highway. Comment
  JEPS74410  Lepidium virginicum var. pubescens W. B. and V. G. Cooke 1974-8-20 49242 Siskiyou Everett Memorial Highway Mt. Shasta 1371 Comment
  RSA756937  Leptosiphon ciliatus R. F. Thorne 1969-8-2 63347 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  HSC29272  Leptosiphon nuttallii Frederick W. Oettinger 1969-9-5 1687 Siskiyou Marble Mtn. Wilderness Area, basin E of Salamander Pond, near Abbotts Lake 1905 Comment
  JEPS53797  Lesquerella occidentalis subsp. occidentalis W. L. Jepson 1907-7-5 2835 Siskiyou Marble Mt. Comment
  UC195376  Lessingia nemaclada A. A. Heller 1916-7-23 12494 Siskiyou at Dunsmuir Dunsmuir 640 Comment
  UC1287434  Lessingia nemaclada John Weiler and A. P. Nelson 1960-6-26 60225 Siskiyou 2.2 mi nw second bridge across Salmon River (nw of town of Forks of Salmon, on banks of rive); Salmon River Comment
  CAS-BOT-BC342100  Leucanthemum vulgare Dorothy Parker 1946-7-29 s.n. Siskiyou Plowman's Valley 1188 Comment
  CAS-BOT-BC342102  Leucanthemum vulgare Louis C. Wheeler 1934-8-20 3198 Siskiyou Klamath National Forest. W. Fork Beaver Cr. 1127 Comment
  CAS-BOT-BC58259  Leucothoe davisiae W. R. Dudley 1901-8-18 s.n. Siskiyou E. along shore of Jackson Lake, Salmon Mts. Comment
  CDA38866  Leucothoe davisiae F. D. Horn 1979-7-22 s.n. Siskiyou Duck Lake Creek near Etna. 0 Comment
  UC1408826  Lewisia Frederick W. Oettinger 1968-9-6 746 Siskiyou ridge trail e of Tom's Lake; Salmon Mountains, High Lake Basins, Marble Mountain Wilderne 2133 Comment
  HSC86280  Lewisia cotyledon J. O. Sawyer 1983-7-7 4234 Siskiyou On trail from Bunn's Basin to Medicine Mtn. 1707 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-BC444046  Lewisia cotyledon var. cotyledon Gilbert Muth 1965-8-5 306 Siskiyou North slope of Marble Rim, near Blk. Mt. Comment
  CAS-BOT-BC229458  Lewisia cotyledon var. heckneri Marion Ownbey; Ruth P. Ownbey 1938-7-19 1751 Siskiyou Summit of the Siskiyou Mountains 2 1/2 miles northwest of Dry Lake Lookout Comment
  CHSC1369  Lewisia leeana M. Yoder 1941-6-28 Siskiyou Castle Lake. 1981 Comment
  HSC99207  Lewisia leeana J. O. Sawyer 1969-6-13 1059 Siskiyou Slope above Little Duck Lake 2134 Comment
  UC1408827  Lewisia leeana Frederick W. Oettinger 1968-8-22 594 Siskiyou slope betweeen English Peak and Diamond Lake; Salmon Mountains, High Lake Basins, Marble Mountain Wilderne 2194 Comment
  SEINET4176732 Image available Lewisia leeana Sally Walker 1982-7-17 Siskiyou Alex hole Klamath National Forest 2134 Comment
  HSC29445  Lewisia nevadensis Frederick W. Oettinger 1969-7-10 949 Siskiyou Marble Mtn. Wilderness Area, NW of English Lake 1829 Comment
  UCD65601  Leymus triticoides Mr. Roseman 1913-1 12 Siskiyou Butte Valley. Comment
  RSA261387  Ligusticum californicum J. M. Tucker 1974-7-28 4313 Siskiyou Adjacent to camp at Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  UCD127547  Ligusticum californicum J. M. Tucker 1974-7-28 4313 Siskiyou Adjacent to camp at Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  HSC568  Lilium kelleyanum William J. Ferlatte 1966-8-3 280 Siskiyou Josephine Lake basin 1677 Comment
  SEINET8370192  Lilium pardalinum A. A. Heller 1915-7-18 12108 Siskiyou Metcalf's ranch, northeast base of Eddy in moist soil in the forest. 1189 Comment
  UC1483484  Lilium pardalinum subsp. vollmeri Maralyn A. Renner 1980-8-8 2433 Siskiyou Rattlesnake Meadow; Klamath National Forest, Preston Peak Quad. 1645 Comment
  HSC77933  Lilium pardalinum subsp. wigginsii D. K. Imper 1982-7-22 1500 Siskiyou Near Beans Camp 1280 Comment
  RSA766900  Lilium washingtonianum Joseph M. Keefe 1967-7-11 2093 Siskiyou 2.3 miles north of Castle Lake, 10 miles SE of town of Mt. Shasta 1220 Comment
  HSC36707  Lilium washingtonianum subsp. purpurascens Brent Whiteley 1975-7-1 116 Siskiyou 671 Comment
  HSC567  Lilium washingtonianum subsp. purpurascens William J. Ferlatte 1967-7-25 720 Siskiyou Caribou Basin 1982 Comment
  CAS-BOT-BC133089  Lilium washingtonianum subsp. washingtonianum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 9 Siskiyou 3.5 miles northeast of the town of Mount Shasta 1402 Comment
  UCR246373  Limnanthes alba Peter F. Zika 2012-5-14 25854 Siskiyou Klamath Range (KR), I-5 southbound, near exit 730 for central Dunsmuir 750 Comment
  JEPS25586  Linanthus harknessii Rimo Bacigalupi 1959-7-2 7218 Siskiyou near n base of Caribou Mtn. (and just s of low divide (Trinity Co. boundary) separating Coffee Creek drainage from that of the Salmon River, Big Flat Campground, headwaters); South Fork of the Salmon River, Big Flat Campground 1508 Comment
  JEPS97797  Linanthus harknessii J. Greenhouse 2000-7-16 5010 Siskiyou Boundary of Siskiyou and Trinity counties Scott Mountain Summit campground; Scott Mountain, Klamath National Forest, Trinity National Fo 1645 Comment
  UC163851  Linanthus harknessii Geo. D. Butler 1910-7-7 1657 Siskiyou Shackleford Creek 1219 Comment
  CHSC91816  Linaria genistifolia subsp. dalmatica T. C. Fuller 1960-6-30 4649 Siskiyou Roadside, Mt. Hebron-Medicine Lake Road, just E/ Rock Rock School road. Comment
  UCR131613  Lindernia dubia var. dubia L. C. Wheeler 1934-9-15 3261 Siskiyou Siskiyou Mtns., Walker, Klamath River 518 Comment
  CAS-BOT-BC416402  Linnaea borealis subsp. longiflora W. B. C. 1940-8-8 15421 Siskiyou Mount Shasta, along Squaw Valley Creek below the McCloud intake 1371 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
  HSC76987  Linum lewisii K. T. Stillman 1976-6-25 66 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  RSA238528  Linum lewisii Frederick W. Oettinger 1968-8-18 569 Siskiyou West side of Hancock Lake just north of the campsite area. The High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness area. 1936 Comment
  HSC4905  Listera caurina J. O. Sawyer 1968-7-2 359 Siskiyou Upper drainage of Joe Creek 1677 Comment
  UC1333303  Listera convallarioides Dorothy Parker 1949-6-26 Siskiyou Etna Creek Salmon Mountains Range 1176 Comment
  HSC61604  Listera convallarioides Ruby Van Deventer 12 Jul [year missing] Siskiyou Lookout Mountain Comment
  CAS-BOT-BC36537  Lithocarpus densiflorus var. echinoides W. R. Dudley 1905-8-4 s.n. Siskiyou South spur of Mt. Eddy Comment
  CAS-BOT-BC36574  Lithocarpus densiflorus var. echinoides W. R. Dudley 1893-6-30 s.n. Siskiyou by trail to Castle Lake Comment
  RSA573399  Lithocarpus densiflorus var. echinoides H. E. McMinn 1931-6-27 2518 Siskiyou Shasta City. Comment
  RSA96939  Lithocarpus densiflorus var. echinoides Percy C. Everett, E. K. Balls 1954-10-10 20261 Siskiyou Hwy 89, 6.8 mi. w. of McCloud on road to the town of Mt. Shasta. 1174 Comment
  CDA25411  Lithophragma affine T. C. Fuller 1958-4-16 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  CAS-BOT-BC432318  Lithophragma campanulatum D. E. Breedlove 1962-6-11 3346 Siskiyou On bank of Canyon Creek, about 20 miles W of Fort Jones, Marble Mountains 914 Comment
  HSC838  Lithophragma glabrum William J. Ferlatte 1967-7-9 695 Siskiyou Kidd Creek Trail 1982 Comment
  HSC60783  Lithophragma heterophyllum Ruby Van Deventer Siskiyou Bell Echo Camp in Youngs Valley 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
  HSC64863  Lithophragma parviflorum J. P. Smith 1976-5-5 8705 Siskiyou Road between Forks of Salmon and Somes Bar. 366 Comment
  JEPS47483  Lithophragma parviflorum Geo. D. Butler 1909-5-1 687 Siskiyou Klamath Hills Comment
  CAS-BOT-BC317338  Lithospermum californicum Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  RSA30609  Lithospermum californicum Lincoln Constance, R. Rollins 1942-5-12 2899 Siskiyou Klamath River 12 miles S of Happy Camp. 305 Comment
  HSC43043  Lomatium californicum J. O. Sawyer, K. T. Stillman 1976-7-2 2816 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  HSC76649  Lomatium dissectum var. multifidum K. T. Stillman 1976-8-7 183 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  UC1400382  Lomatium dissectum var. multifidum Frederick W. Oettinger 1969-7-9 946 Siskiyou slope NW of Upper English Lake, high lake basins in the vicinity of English Peak Salmon Mountains, Marble Mountain Wilderness Area, western S 1844 Comment
  RSA452573  Lomatium engelmannii Christopher Davidson 1975-6-5 2680 Siskiyou 6 miles ESE of Callahan on Hwy 3 (= 4 miles SE of Scott River Bridge). 1349 Comment
  JEPS25670  Lomatium macrocarpum Rimo Bacigalupi with Mr. and Mrs. Van Deventer of Fort Dick 1959-7-10 7313 Siskiyou jeep rd. between Poker Flat and Twin Valley (ridge top marking Del Norte-Siskiyou Co. boundary); Siskiyou Mts., Del Norte-Siskiyou Co. boundary 1664 Comment
  UC165315  Lomatium piperi Geo. D. Butler 1910-3-14 1130 Siskiyou Yreka Comment
  HSC4903  Lonicera conjugialis J. O. Sawyer 1968-6-18 217 Siskiyou Headwaters of Blake's Fork of S Russian Creek. 1738 Comment
  HSC61905  Lonicera conjugialis Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  RSA238542  Lonicera conjugialis Frederick W. Oettinger 1967-8-3 231 Siskiyou West side of Little Hancock Lake; Hancock Lake Basin. The Salmon Mtns. High lake basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2043 Comment
  RSA184706  Lonicera conjugialis Gilbert Muth 1966-7-25 455 Siskiyou Marble, near top of ridge, Marble Mts. 2043 Comment
  CAS-BOT-BC240851  Lonicera interrupta L. E. Smith 1913-11-12 570 Siskiyou Yreka Comment
  UC15553  Lotus crassifolius var. crassifolius Milo S. Baker 1893-8-18 Siskiyou McCloud River Comment
  UC454688  Lotus crassifolius var. crassifolius I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake Comment
  JEPS107666  Lotus denticulatus Lowell Ahart, John Dittes 2005-6-9 12008 Siskiyou Open pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  UC204545  Lotus nevadensis var. nevadensis A. A. Heller 1914-8-25 11711 Siskiyou near Deetz Station; Sierras 1158 Comment
  SFV5182  Lotus oblongifolius B. C. Templeton 1960-6-21 8558 Siskiyou Klamath Mountains Near the top of Scott Mountain. On mountain slopes. 1645 Comment
  RSA27721  Lotus oblongifolius var. nevadensis Edward Palmer 1892-7-13 2507 Siskiyou Mount Shasta and vicinity Comment
  UC618758  Lotus oblongifolius var. oblongifolius unknown 1938-7-1 11115 Siskiyou along the creeks from Bear Springs Mount Shasta, Bear Springs 1524 Comment
  HSC77415  Lotus unifoliolatus var. unifoliolatus L. P. Janeway 1983-9-11 665 Siskiyou Poker Flat 1524 Comment
  RSA78323  Luina hypoleuca P. A. Munz 1952-7-1 17858 Siskiyou Klamath River, 6 miles north of Orleans. 183 Comment
  UC725455  Lupinus A. A. Heller 1940-7-25 Siskiyou junction of Horse Camp and Panther Meadow roads on Mt. Shasta Comment
  UC1481282  Lupinus albicaulis var. shastensis D. B. Dunn 1971-8-15 18141 Siskiyou on Hwy 89, 1/2 mi e McCloud Ranger Station; e of McCloud Ranger Station Comment
  CHSC900  Lupinus albifrons var. collinus V. Holt 1937-5-5 Siskiyou Below Dunsmuir. 609 Comment
  UC1481305  Lupinus albifrons var. collinus Paul Gallian, B. J. Cox 1971-6-9 687 Siskiyou on U.S. Hwy 97, 11 mi n Weed; n of Weed 1249 Comment
  HSC36811  Lupinus albifrons var. flumineus J. P. Smith 1974-5-27 7623 Siskiyou Along FS Rd. 47N03 1280 Comment
  SEINET10838378  Lupinus albifrons var. flumineus Edwin B. Copel 1903-7-3 Copeland 3527 Siskiyou On dry hills Comment
  UC1481929  Lupinus arbustus D. B. Dunn and B. J. Cox 1971-6-10 17952 Siskiyou 5 miles N of Weed, on U. S. Highway 97. Comment
  OBI59148  Lupinus arbustus Rhonda Riggins 1993-6-17 1688 Siskiyou Along CA 263, ca 1 mi N jct CA 96, 0,5mi S jct 15 Comment
  UC727141  Lupinus arbustus A. A. Heller 1938-7-12 15260 Siskiyou on the old U.S. Highway #97 border of a meadow e Deer Mountain; e of Deer Mountain 1402 Comment
  POM253155  Lupinus arbustus subsp. silvicola A. A. Heller 1938-7-12 15260 Siskiyou East of Deer Mountain. 1402 Comment
  RSA104707  Lupinus argenteus var. argenteus A. A. Heller 1905-6-9 8015 Siskiyou Montague Comment
  CAS-BOT-BC196375  Lupinus argenteus var. heteranthus Margaret M. Hanna 1958-6-21 s.n. Siskiyou 2 1/2 miles southeast of Dorris Comment
  UC909320  Lupinus aridus Dorothy Parker 1948-7-14 Siskiyou 2 mi from Etna ( Scott Valley) 670 Comment
  HSC60157  Lupinus breweri D. L. Goforth 1979-7-7 228 Siskiyou Klamath National Forest. Condrey Mtn. 2043 Comment
  CAS-BOT-BC196692  Lupinus breweri var. breweri Marion Ownbey; Ruth P. Ownbey 1938-7-20 1763 Siskiyou Near Dry Lake Lookout, summit of the Siskiyou Mountains Comment
  CHSC99699  Lupinus breweri var. breweri L. P. Janeway 2008-7-24 9480 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 2.1 air km northeast of Condrey Mountain. Rounded ridgetop. 2115 Comment
  SEINET10870978  Lupinus croceus Melvin L. Conrad, David B. Dunn; Patricia L. Kenney 1973-6-2 Conrad 6988 Siskiyou Yellow pine, libocedrus, douglas fir, western hemlock forest, 17.4 mi. Ne of Cecilville store, on rd. To callahan. 2073 Comment
  UC1481294  Lupinus croceus var. pilosellus M. L. Conrad, Dunn, and Kenney 1973-6-2 6988 Siskiyou on road to Callahan, ne Cecilville Store; ne of Cecilville Store 2072 Comment
  JEPS64895  Lupinus klamathensis Geo. D. Butler 1909-5-8 709 Siskiyou Shasta Valley Comment
  SEINET10838198  Lupinus klamathensis Charles Piper Smith 1947-5-13 Smith 47279 Siskiyou Weed. Roadside. Hwy 99, s side. Comment
  CAS-BOT-BC8326  Lupinus lapidicola Amos Arthur Heller 1920-7-9 13422 Siskiyou Mt. Eddy. Near the little lake above the head of Wagon creek. 2438 Comment
  HSC61902  Lupinus latifolius Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  HSC32770  Lupinus latifolius subsp. viridifolius Frederick W. Oettinger 1968-9-7 768 Siskiyou Marble Mtn. Wilderness Area, around Tobacco Lake 1890 Comment
  RSA237932  Lupinus latifolius subsp. viridifolius Frederick W. Oettinger 1969-7-31 1120 Siskiyou The High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, trail between English Lake and drift fence. 1829 Comment
  UCD108232  Lupinus lepidus A. A. Heller 1920-7-9 13421 Siskiyou Mt. Eddy. 2438 Comment
  JEPS83243  Lupinus lepidus var. sellulus W. L. Jepson 1940-6-28 20060 Siskiyou McCloud 975 Comment
  CDA27465  Lupinus lepidus var. sellulus S. Davis, F. D. Horn 1979-8-22 Siskiyou Sam s Neck west of Dorris. 0 Comment
  SEINET10488736  Lupinus leucophyllus James L. Reveal, Mark L. Reveal 1975-8-15 Reveal 3950 Siskiyou Siskiyou mts, klamath nat'l forest, along the dry lake lookout rd (forest Service rd 40s01), 0.3 mi. W of the jct with 47n40, nw of round mt., On a Serpentine ridge, assoc. With pine-oak woodlands, sec 27, t47n, r9w. Comment
  UCD109311  Lupinus obtusilobus A. A. Heller 1920-8-12 13516 Siskiyou a short distance below Horse Camp, Mt. Shasta; near the upper limit of the Canadian zone. Comment
  SD113682  Lupinus sellulus Darley F. Howe 1964-8-4 3929 Siskiyou Near Medicine Lake, Modoc National Forest. 2012 Comment
  POM260225  Lupinus sellulus subsp. ursinus C. Leo Hitchcock, J. S. Martin, A. S. Hitchcock 1939-7-9 5323 Siskiyou 1/2 mile SE of Kings Castle, Marble Mts. 1829 Comment
  SEINET10451480  Lupinus sellulus subsp. ursinus Thomas W. Nelson, Jane P. Nelson 1982-7-28 Nelson 7256 Siskiyou Siskiyou-Trinity County line. Along west side of Forest Service Road 42N17 at summit above Daed Fall Meadow. Dry serpentine hillside. 2073 Comment
  RSA183653  Lupinus sellulus var. lobbii Gilbert Muth 1965-8-12 211 Siskiyou 2/3 up meadow on back of Black Mountain. Comment
  SEINET4460534 Image available Lupinus violaceus A. A. Heller 1905-1 8037 Siskiyou Comment
  CAS-BOT-BC25998  Lupinus viridifolius unspecified 1905-6-1 7928 Siskiyou Dunsmuir Comment
  JEPS66700  Luzula comosa var. laxa B. C. Goldsmith 1916-9-29 33 Siskiyou Medicine Lake Comment
  UC796535  Luzula comosa var. laxa Roxana S. Ferris and Laura Lorraine Jun 12 -16, 1948 11743 Siskiyou French Creek Logging Road west of Callahan 1066 Comment
  CAS-BOT-BC436705  Luzula comosa var. laxa Louis C. Wheeler 1934-6-12 2691 Siskiyou Klamath Forest, North Hungry Creek 1463 Comment
  HSC39869  Luzula divaricata J. O. Sawyer 1969-7-9 1272 Siskiyou Grizzly Peak 2317 Comment
  HSC4784  Luzula divaricata William J. Ferlatte 1966-8-5 328 Siskiyou N side of Caribou Mtn. 1982 Comment
  HSC92867  Luzula divaricata Jennifer Whipple 1976-7-23 1518 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2317 Comment
  RSA238895  Luzula divaricata Frederick W. Oettinger, J. Morrison 1967-8-17 275 Siskiyou On NW-facing slope of Crapo Peak ridge along trail from English Peak to Hancock Lake where trail crosses saddle in ridge. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2210 Comment
  CHSC96086  Luzula parviflora L. P. Janeway 2006-7-3 8756 Siskiyou Klamath Ranges. Salmon Mountains; Music Creek Trailhead near upper Music Creek. 1893 Comment
  HSC632  Luzula parviflora William J. Ferlatte 1967-7-26 748 Siskiyou Caribou Basin, ridge W of Big Caribou Lake 2134 Comment
  RSA186334  Luzula parviflora Gilbert Muth 1966-10-16 30 Siskiyou Marble Mountains 1793 Comment
  HSC36660  Lysichiton americanus Brent Whiteley 1975-6-29 105 Siskiyou 976 Comment
  SEINET516145  Machaeranthera canescens var. shastensis Vernon H. Oswald 1998-9-8 9611 Siskiyou Junction of USFS 3 and 24 ca. 2.5 mi west-sourthwest of Hambone Butte, ca 30 air mi north of Burney. 1311 Comment
  CAS-BOT-BC27563  Machaeranthera canescens var. shastensis Edward Lee Greene 1876-1-1 s.n. Siskiyou unspecified Comment
  POM261536  Machaeranthera canescens var. shastensis Alice Eastwood 1912-7-16 1120 Siskiyou Mt. Cloud. Comment
  RSA120868  Machaeranthera canescens var. shastensis H. K. Wagnon 1957-8-11 1701 Siskiyou East slope of Mt. Shasta in meadow ca. 1 mile west of Military Pass Road, along road to Brewer's Creek Comment
  CAS-BOT-BC343992  Madia elegans L. R. Abrams 1927-9-11 12147 Siskiyou Pacific Highway between Hilt and Hornbrook Comment
  CAS-BOT-BC344000  Madia elegans Elmer I. Applegate 1923-9-8 3980 Siskiyou Klamath River, mouth of Doggett Creek Comment
  CAS-BOT-BC344002  Madia elegans Bruce G. Baldwin 1986-7-20 616 Siskiyou Junction of California State Highway 96 and U.S. Forest Service Road 46N52 (west of town of Klamath River) Comment
  CAS-BOT-BC344546  Madia exigua Louis C. Wheeler 1934-6-2 2607 Siskiyou Klamath National Forest. Oak Knoll R. S. 670 Comment
  HSC5976  Madia gracilis R. C. Wunner 1965-6-26 277 Siskiyou California Lava Beds National Monument: 1/2 was up trail on Schonchin Butte 1494 Comment
  POM208277  Madia minima L. C. Wheeler 1934-6-1 2601 Siskiyou Siskiyou Mountains: Dry Lake Lookout 2058 Comment
  RSA237534  Madia minima Frederick W. Oettinger 1969-7-11 973 Siskiyou Northwest of Hancock Lake outlet. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  RSA605520  Mahonia aquifolium L. C. Wheeler 1959-7-19 7583 Siskiyou Salmon and Marble Mountains Region: Near White Bear Mine, Callahan Gulch off Black Bear Creek. Comment
  RSA183443  Maianthemum stellatum J. M. Tucker 1963-7-5 3702 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
  POM56237  Malacothrix floccifera Geo D. Butler 1910-6-4 1491 Siskiyou Shackleford Creek. Comment
  RSA239019  Melica aristata Frederick W. Oettinger 1969-8-4 1159 Siskiyou Above Half-way Spring between English Lake and Diamond Lake. Salmon Mountains: The high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1829 Comment
  SJSU6513  Melica aristata R. W. Trivelpiece 1972-6-14 112 Siskiyou Vann Creek near Bear Peak c. 15 mi SW of Happy Camp 1341 Comment
  UCD87010  Melica californica A. H. Murphy 1953-7-29 KNF 13 Siskiyou Klamath National Forest. Steavale Canyon, 1524 Comment
  CAS-BOT-BC281312  Melica harfordii Marion Ownbey; Fred G. Meyer 1940-7-7 s.n. Siskiyou Near summit of Cayenne Ridge, Marble Mountain Comment
  HSC49216  Melica harfordii J. O. Sawyer, K. T. Stillman Jul 1977 2796 Siskiyou Mid slopes and ridges E of the Little N Fork Trail. 732 Comment
  SJSU11323  Melica harfordii S. H. Casey 1981-7-4 1215 Siskiyou Seiad Creek Road 1 mi below summit of Cook & Green Pass c. 8 mi N of Seiad Valley, NW Siskiyou County 1219 Comment
  RSA43891  Melissa officinalis H. M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, near Somes Bar. Comment
  UCD125058  Mentha canadensis J. P. Smith; Steve Selva 1970-8-7 4542 Siskiyou Junction Interstate 5 and Stewart Creek Road. Comment
  JEPS63435  Mentha spicata Geo. D. Butler 1908-7-17 178 Siskiyou Butler's Ranch Yreka (Yreka) Comment
  UCR143376  Mentha spicata L. C. Wheeler 1934-9-22 3301 Siskiyou Siskiyou Mtns, Walker, Klamath River 518 Comment
  SFV2373  Mentzelia albicaulis A. I. Richardson 1961-6-8 16 Siskiyou Big Springs Road, north of junction with Highway 97. 915 Comment
  UC1980551  Mentzelia laevicaulis C. Rose Broome, James L. Reveal, Darin Reveal, Crissie Cagle 1978-8-6 2323 Siskiyou CA highway 96, 0.8 mi. W of Hamburg, at Mill Creek, opposite the highway from the Klamath River. Comment
  UC1170102  Mentzelia laevicaulis var. laevicaulis W. Bridge Cooke 1956-7-16 30300 Siskiyou above Hotlum Station (Cinder cone, along a road to a gravel pit in chapparal); north side of Mount Shasta 1676 Comment
  CAS-BOT-BC429260  Micranthes oregana A. A. Heller 1905-6-15 8031 Siskiyou Sisson Comment
  LA208998  Micranthes tolmiei Lincoln Ellison; 1928-9-11 506 Siskiyou Mount Shasta, SW slope of mtn 2895 Comment
  UC133485  Microseris laciniata subsp. laciniata Dr. E. B. Copeland 1903-8-13 3818 Siskiyou Sisson 1066 Comment
  CAS-BOT-BC349375  Microseris nutans Wm. Bridge Cooke 1938-7-1 11140 Siskiyou Mount Shasta. Below Wagon Camp Comment
  HSC68499  Microseris nutans Maralyn A. Renner 1980-6-22 901 Siskiyou Slopes N of Little Shasta River 1372 Comment
  HSC22303  Microseris nutans J. O. Sawyer 1969-7-10 1286 Siskiyou E facing slope W of S Sugar Lake 2226 Comment
  HSC58930  Microsteris gracilis Marvin Butler 1971-8-9 82 Siskiyou Near El Capitan, close to the town of Cave Junction 1464 Comment
  POM65022  Microsteris gracilis subsp. gracilis Geo D. Butler 1910-3-28 1148 Siskiyou Yreka. Comment
  HSC23539  Mimulus breweri J. O. Sawyer 1969-8-4 1799 Siskiyou Above Sugar Lake 2134 Comment
  JEPS11704  Mimulus breweri F. W. Pennell 1940-7-19 26197 Siskiyou Mount Shasta 1981 Comment
  UC26886  Mimulus breweri Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
  UC484059  Mimulus cardinalis Carl B. Wolf 1930-10-23 1757 Siskiyou 2 mi below Browns Resort; Klamath River 304 Comment
  UC917313  Mimulus inodorus R. Tofsrud and J. M. Tucker 1948-8-3 1778 Siskiyou 3 mi (by road) below summit Happy Camp to Waldo (Oregon) road Comment
  SFV3392  Mimulus moschatus J. M. Tucker, L. K. Mann 1963-7-4 3690 Siskiyou Beside road from Etna to Sawyer's Bar, about 4.7 miles (by road) from southwest Etna. Comment
  HSC39821  Mimulus moschatus var. moniliformis J. O. Sawyer 1969-8-1 1661 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC90992  Mimulus nanus Jennifer Whipple 1976-7-14 1464 Siskiyou Trinity and Siskiyou Counties: Summit region of Mt. Eddy 2591 Comment
  HSC68583  Mimulus nanus var. nanus Maralyn A. Renner 1980-6-24 1064 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  HSC426  Mimulus nanus var. nanus William J. Ferlatte 1966-8-18 409 Siskiyou 3 mi. S of Big Flat 1585 Comment
  UC535784  Mimulus primuloides Elmer I. Applegate 1923-8-17 3833 Siskiyou w end Medicine Lake Comment
  RSA233700  Mimulus primuloides Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38969 Siskiyou S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  UC164371  Mimulus primuloides subsp. linearifolius Geo. D. Butler 1910-7-13 1770 Siskiyou Shackleford Creek 1219 Comment
  JEPS3161  Mimulus primuloides subsp. primuloides George D. Butler 1908-8-3 52 Siskiyou near Log Lake 1371 Comment
  HSC91001  Mimulus primuloides var. linearifolius Jennifer Whipple 1976-8-20 1729 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  CDA41829  Mimulus primuloides var. linearifolius T. R. Haig & F. D. Horn 1979-8-16 s.n. Siskiyou Gumboot Lake Area, west of Dunsmuir. 0 Comment
  RSA211423  Mimulus primuloides var. linearifolius William J. Ferlatte 1967-8-17 955 Siskiyou Trinity Alps; Yellow Rose Mine. 1982 Comment
  JEPS4671  Mimulus pulsiferae Willis L. Jepson July, 1894 55 m Siskiyou Sisson Region of the Upper Sacramento Comment
  CAS-BOT-BC174699  Minuartia howellii R. C. Barneby 1954-5-16 11523 Siskiyou 7 mi. n.-e. of Fort Jones 1005 Comment
  CAS-BOT-BC174738  Minuartia nuttallii Alice Eastwood 1923-5-23 11923 Siskiyou Cantara, S.P.R.R. Comment
  HSC2380  Minuartia nuttallii subsp. gregaria William J. Ferlatte 1966-8-4 304 Siskiyou Dorleska summit 2134 Comment
  HSC69000  Minuartia nuttallii subsp. gregaria Maralyn A. Renner 1980-7-28 2163 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  CAS-BOT-BC181110  Minuartia nuttallii var. gregaria C. L. Hitchcock; J. S. Martin 1939-7-7 5279 Siskiyou 1/2 mile below Sanger Peak Lookout 1524 Comment
  CAS-BOT-BC181112  Minuartia nuttallii var. gregaria R. C. Barneby 1954-5-17 11539 Siskiyou Scott Mts., 8 miles above Callahan 1569 Comment
  POM68866  Mirabilis greenei Geo. D. Butler 1909-5-16 774 Siskiyou Near Yreka 1067 Comment
  UC1459329  Mirabilis greenei George E. Pilz 1973-5-26 998 Siskiyou along Klamath River (1 mi w of Interstate Rte 5, along CA Rte 96) 700 Comment
  UC195173  Mirabilis greenei Annie M. Alexander and Louise Kellogg 1911-6-13 131 Siskiyou 6 mi nw Callahan Comment
  POM164338  Mirabilis greenei Geo. D. Butler 1910-5-11 1334 Siskiyou Shasta Valley Comment
  SEINET8544887  Mirabilis greenei G. D. Butler 1910-5-11 1334 Siskiyou Shasta Valley. Comment
  JEPS49684  Mitella diversifolia Geo. D. Butler 1908-7-20 224 Siskiyou near Yreka (head of gulch); Long Gulch Comment
  UC1198871  Mitella diversifolia Joseph P. Tracy 1935-8-2 14434 Siskiyou Young's Peak Salmon-New River divide (ne side) 1524 Comment
  CAS-BOT-BC433071  Mitella trifida Harley P. Chandler 1901-6-1 1555 a Siskiyou North Coast Ranges. Near Marble Mountain 1828 Comment
  HSC29428  Mitella trifida Frederick W. Oettinger 1969-8-22 1484 Siskiyou Marble Mtn. Wilderness Area, head of Pierce's Draw 1829 Comment
  UC1980587  Monardella C. Rose Broome, James L. Reveal, Darin Reveal, Crissie Cagle 1978-8-6 2322 Siskiyou CA highway 96, 0.8 mi W of Hamburg, at Mill Creek, opposite the highway from the Klamath River. Comment
  CAS-BOT-BC221817  Monardella odoratissima G. B. Grant 1902-9-8 5731 Siskiyou Mt. Shasta 2438 Comment
  SEINET8732860 Image available Monardella odoratissima Lewis S. Rose 1937-1 37587 Siskiyou S. slope of Mt. Shasta. Alt. 5800 ft. 1768 Comment
  CHSC99716  Monardella odoratissima subsp. glauca L. P. Janeway 2008-7-24 9484 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 1.3 air km east of Condrey Mountain. 2050 Comment
  CAS-BOT-BC222036  Monardella odoratissima subsp. glauca Doris K. Kildale 1928-7-4 5498 Siskiyou Summit of divide between Sawyers Bar & Etna Comment
  CAS-BOT-BC222178  Monardella odoratissima subsp. pallida A. A. Heller 1915-8-26 12230 Siskiyou North side of Mt. Eddy 1981 Comment
  SEINET10582080  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 344 Siskiyou Mt. Shasta National Forest, Mt. Shasta. Memorial Hwy. from the 2nd road to Sand Flats going down the Mt., on both sides of the road. Locally frequent at the edge of mixed conifer forest of Abies magnifica, A. concolor, Pinus ponderosa, Pseudotsuga menziesii, Calocedrus decurrens, with Ceanothus sp., Arctostaphylos uva-ursi and A. sp. Comment
  SEINET10582085  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 350 Siskiyou Mt. Shasta National Forest, Mt. Shasta. Memorial Hwy. from the 2nd road to Sand Flats going down the Mt., on both sides of the road. Locally frequent at the edge of mixed conifer forest of Abies magnifica, A. concolor, Pinus ponderosa, Pseudotsuga menziesii, Calocedrus decurrens, with Ceanothus sp., Arctostaphylos uva-ursi and A. sp. Comment
  SEINET5333389  Monardella odoratissima subsp. pallida A. Sanger 1996-7-16 2423 Siskiyou In small meadow and sharp turn ~1 mile N of County Road 97. 1817 Comment
  CDA40784  Monardella sheltonii T. C. Fuller 1962-8-3 9505 Siskiyou Siskiyou Mountains; 200 yards up Raggedass Gulch, east of Beaver Creek, 5 miles north of the Klamath River. 0 Comment
  RSA29914  Montia fontana L. C. Wheeler 1935-4-13 3415 Siskiyou Siskiyou Mountains: Seiad Creek, Klamath River. 426 Comment
  CDA23981  Montia linearis Don Shaw 1974-5-14 Siskiyou Emigrant Creek Ranches, Greenview, Quartz Valley. 0 Comment
  NY342247  Montia obtusata A. A. Heller 1905-6-1 7945 Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  CAS-BOT-BC445205  Montia parvifolia Ira L. Wiggins 1955-7-27 13524 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC64309  Montia parvifolia J. P. Smith 1976-5-5 8706 Siskiyou Road between Forks of Salmon and Somes Bar. 366 Comment
  POM101846  Montia parvifolia Geo. D. Butler 1910-6-4 1488 Siskiyou Shackleford Creek. Comment
  CHSC114086  Muhlenbergia andina Jennifer Buck; Deborah Stout 2011-8-23 TL 03 B Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys, near Toad Lake; UTM Zone 10N, 542224E, 4570385N. 2065 Comment
  CAS-BOT-BC262678  Muhlenbergia asperifolia A. A. Heller 1918-7-25 13082 Siskiyou Shasta Valley between Gazelle and Edgwood Comment
  UCD86526  Muhlenbergia asperifolia A. A. Heller 1918-7-25 13082 Siskiyou Gravelly soil between Gazelle and Edgwood in the Shasta Valley. Upper Sonoran Life Zone. Comment
  RSA115546  Muhlenbergia filiformis Beecher Crampton 1956-8-22 3859 Siskiyou Panther Meadow, south slope of Mt. Shasta 2317 Comment
  CAS-BOT-BC267047  Muhlenbergia filiformis A. A. Heller 1914-8-25 11704 Siskiyou Near Deetz station, near Black Butte 6 miles N of Sisson 1158 Comment
  CAS-BOT-BC275339  Muhlenbergia jonesii W. B. C. 1940-7-5 15247 Siskiyou Mount Shasta. Along the Wagon Camp road Comment
  RSA239109  Muhlenbergia montana Frederick W. Oettinger 1969-8-16 1389 Siskiyou Southwest of Wire Grass Meadow, above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  JEPS1360  Nama lobbii W. L. Jepson 1940-6-30 20071 Siskiyou 6 mi e McCloud (Fowlers Camp, McCloud River); McCloud River, Fowlers Camp, e of McCloud 944 Comment
  SEINET515857  Nama lobbii Vernon H. Oswald 1998-9-8 9610 Siskiyou USFS 3 ca. 0.8 mi west of Julia Glover Flat, ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir, ca. 2 air mi northwest of Indian Spring Mtn. 1128 Comment
  CAS-BOT-BC516026  Narthecium californicum W. R. Dudley 1905-8-4 s.n. Siskiyou Meadow foot of Mount Eddy Comment
  JEPS25587  Navarretia divaricata Rimo Bacigalupi 1959-7-2 7219 Siskiyou near n base of Caribou Mtn. (Big Flat Campground, just s of low divide (Trinity Co. boundary) separating Coffee Creek drainage from that of the Salmon River); Headwaters of South Fork of the Salmon River 1508 Comment
  CHSC88098  Navarretia sinistra subsp. sinistra Jenny Marr 1993-7-1 108 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC14290  Nepeta cataria L. C. Wheeler 1934-9-18 3279 Siskiyou Mt. Diablo Meridian, Siskiyou Mtns., Dutch Creek off Klamath River 701 Comment
  RSA43881  Nepeta cataria H. M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, near Somes Bar. Comment
  CAS-BOT-BC60573  Noccaea fendleri subsp. glauca A. A. Heller 1915-7-15 12083 Siskiyou Mount Eddy. 2072 Comment
  CAS-BOT-BC60588  Noccaea fendleri subsp. glauca A. M. Vollmer 1951-5-31 23 Siskiyou Scott Mountain. Comment
  HSC60774  Noccaea fendleri subsp. glauca Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC62466  Noccaea fendleri subsp. glauca Ruby Van Deventer 1959-7-9 Siskiyou Twin Valley Comment
  CAS-BOT-BC60570  Noccaea fendleri subsp. glauca Alice Eastwood 1923-5-23 11929 Siskiyou Cantara. Southern Pacific RailRoad. Comment
  CAS-BOT-BC60575  Noccaea fendleri subsp. glauca A. A. Heller 1922-7-3 13677 Siskiyou Mount Eddy south of Wagon Creek. 2438 Comment
  HSC75106  Noccaea fendleri subsp. glauca J. P. Smith, Thomas W. Nelson 1979-6-16 10136 Siskiyou Klamath National Forest, along Hwy. 3, 3.1 mi. from the Scott Mtn. summit. 1280 Comment
  CHSC99725  Nothochelone nemorosa L. P. Janeway 2008-7-24 9467 Siskiyou Klamath Ranges. Siskiyou Mountains; at end of short spur road into top of Alex Hole; 1.0 km east-southeast of Condrey Mountain. Shelf and north-facing cliff of hard metamorphic rock. 1975 Comment
  HSC60467  Nothochelone nemorosa Carl Wishner 1978-7-19 551 Siskiyou Sandy Ridge trail 11W21 above Monument Lake, Marble Mtn. Wilderness 1829 Comment
  UC630382  Nothochelone nemorosa Annetta Carter 1939-8-21 1468 Siskiyou 12 mi sw of Etna (above se end of Taylor Lake, Salmon Mountains); Salmon Mountains, above se end of Taylor Lake 2164 Comment
  RSA181897  Nothochelone nemorosa Freed W. Hoffman 1950-7-11 3494 Siskiyou Cedar Camp Rd, 30.1 miles from Klamath Highway. (western Siskiyou Co.) Comment
  RSA184654  Nothochelone nemorosa Clare B. Hardham 1965-8-20 1305 Siskiyou Marble Mountains. Cudahy Lakes. Comment
  JEPS83887  Nuphar lutea subsp. polysepala Wayne Roderick 1976-7-1 Siskiyou vicinity of Cooke & Green Pass (Siskiyou Mountains, Lily Pad Lake); Siskiyou Mountains, Lily Pad Lake 1706 Comment
  CDA38172  Oenothera villosa subsp. strigosa Gene Deal 1967-8-3 s.n. Siskiyou 3 miles north of Gazelle, Southern Pacific Railroad right-of-way. 0 Comment
  HSC22131  Oreostemma alpigenum var. andersonii J. O. Sawyer 1969-8-5 1747 Siskiyou W of Little Duck Lake 2073 Comment
  HSC4912  Oreostemma alpigenum var. andersonii J. O. Sawyer 1968-7-23 564 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  CAS-BOT-BC502908  Orobanche fasciculata G. J. Muth 1969-8-10 1320 Siskiyou Ridge west of Boulder Peak 2377 Comment
  UC1190162  Orthilia secunda Ira L. Wiggins 1955-7-24 13495 Siskiyou Ridge between upper reaches of China & Blind Horse Creeks 1645 Comment
  CAS-BOT-BC458087  Orthilia secunda Doris K. Kildale 1928-8-18 6450 Siskiyou Near head of North Fork of Salmon River at Finley's Upper Camp Comment
  RSA0083195  Orthilia secunda Gilbert Muth 1966-7-29 463 Siskiyou Marble Valley, by waterfall, Marble Mountains. 1829 Comment
  HSC91017  Orthocarpus cuspidatus subsp. copelandii Jennifer Whipple 1976-7-9 1394 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2226 Comment
  JEPS3005  Orthocarpus cuspidatus subsp. copelandii R. P. Allen 1951-6-24 Siskiyou slopes Lake Mountain (northern end of the Marble Mountains); northern end Marble Mountains, slopes of Lake Mountain 1828 Comment
  POM43433  Orthocarpus cuspidatus subsp. copelandii Geo. D. Butler 1910-7-8 1680 Siskiyou Shackleford Creek. 1372 Comment
  UC1333322  Orthocarpus cuspidatus subsp. copelandii Dorothy Parker 1949-7-4 225 Siskiyou near summit of Scott Mountain; near summit of Scott Mountain 1582 Comment
  UCD123234  Orthocarpus cuspidatus subsp. copelandii J. M. Tucker; L. K Mann 1963-8-17 3741 Siskiyou beside trail from Red Rock Valley to top of ridge to south, and near top of ridge, Marble Mountain Wilderness Area. 1859 Comment
  POM255779  Orthocarpus cuspidatus subsp. cuspidatus Marion Ownbey, Ruth P. Ownbey 1938-7-19 1755 Siskiyou 2.5 mi. NE of Dry Lake Lookout, summit of Siskiyou Mountains. Comment
  UCD123228  Orthocarpus cuspidatus subsp. cuspidatus K. M. Meyer; A. Townesmith 2007-8-2 187 Siskiyou Klamath National Forest. 13.3 m on Forest Service Rd. 70, off US Hwy 97 toward Oregon. 1956 Comment
  SEINET13755310  Orthocarpus imbricatus G. D. Butler 1910-7-8 1680 Siskiyou Shackleford Creek 1372 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
  HSC22171  Osmorhiza berteroi J. O. Sawyer 1969-7-24 1199 Siskiyou W of Sugar Lake 1890 Comment
  UC1400368  Osmorhiza berteroi Frederick W. Oettinger 1969-7-10 952 Siskiyou due w English Lake (high lake basins in vicinity of English Peak, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1760 Comment
  RSA126288  Osmorhiza berteroi I. L. Wiggins 1955-7-21 13428 Siskiyou Near Mt. View Ranch 7 miles above Cecilville on S Fork of Salmon River 976 Comment
  HSC69011  Osmorhiza occidentalis Maralyn A. Renner 1980-7-24 2032 Siskiyou Lily Pad Lake 1768 Comment
  UC595105  Osmorhiza occidentalis David D. Keck 1938-8-6 4811 Siskiyou 4 mi s Oregon Line (on road from Waldo to Happy Camp, at Del Norte Co. line); Summit of Siskiyou Mts., Poker Flat 1555 Comment
  HSC29193  Osmorhiza occidentalis Frederick W. Oettinger 1968-8-15 521 Siskiyou Marble Mountain Wilderness Area, along trail side E bank of Hancock Lake 1936 Comment
  POM82904  Osmorhiza occidentalis Geo. D. Butler 1910-7-7 1668 Siskiyou Shackleford Creek 1220 Comment
  UCD127817  Oxypolis occidentalis A. A. Heller 1915-8-24 12204 Siskiyou Metcalf's ranch, northeast base of Mount Eddy. 1188 Comment
  UC1408820  Oxyria digyna Frederick W. Oettinger 1969-8-25 1543 Siskiyou 400 yards from English Peak trail (ne facing slope above Tanner Peak trail, high lake basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2133 Comment
  SEINET3159609  Paeonia brownii G. D. Butler 1910-4-23 1229 Siskiyou Quartz valley Comment
  POM149889  Paeonia brownii Geo. D. Butler 1910-4-23 1229 Siskiyou Quartz Valley. Comment
  SEINET5337443  Paeonia brownii G. Butler 1910-4-23 1229 Siskiyou Quartz Valley Comment
  HSC2391  Parnassia fimbriata W. J. Ferlatte 1966-8-19 435 Siskiyou Trinity Alps, Kidd Creek Trail. 1890 Comment
  JEPS50863  Parnassia fimbriata Al Hobart 1967-8-8 Siskiyou above Raspberry Lake (Preston Peak, westernmost Siskiyou County); Preston Peak 1584 Comment
  UCD107446  Parnassia fimbriata J. M. Tucker; L. K. Mann, and S. L. Holloway 1963-8-18 3745 Siskiyou Upper Canyon Creek, ca. 1/2 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area. 1920 Comment
  CAS-BOT-BC202839  Paxistima myrsinites Ira L. Wiggins 1955-7-24 13487 Siskiyou Ridge betw. upper reaches of China Creek and Blind Horse Creek 1463 Comment
  HSC29127  Paxistima myrsinites Frederick W. Oettinger, R. F. Thorne 1969-8-7 1281 Siskiyou Salmon Mtns., Marble Mtn. Wilderness Area, E side of English Lake Outlet 1768 Comment
  HSC4835  Paxistima myrsinites J. O. Sawyer 1968-6-18 169 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC67666  Paxistima myrsinites John Palmer 1980-7-24 586 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  UC164117  Pectocarya pusilla Geo. D. Butler 1910-5-8 1306 Siskiyou near Yreka Comment
  UC1282021  Pedicularis attollens Louise Kellogg Aug 8 1953-Aug 9 1953 120 Siskiyou Scott Mountain Public Campground; Scott Mountains, Klamath National Forest 1630 Comment
  CAS-BOT-BC266647  Pedicularis bracteosa var. flavida Edna Kelsey 1961-8-1 s.n. Siskiyou Sky High Lake, Marble Mountains Comment
  HSC29252  Pedicularis bracteosa var. flavida Frederick W. Oettinger 1968-8-3 378 Siskiyou Marble Mtn. Wilderness Area, base camp meadow, English Lake Basin 2012 Comment
  UC1334019  Pedicularis bracteosa var. flavida Dorothy Parker 1949-7-10 335 Siskiyou near Paradise Lake; Siskiyou Mountains, Salmon Mountain 1981 Comment
  CHSC1836  Pedicularis contorta V. Holt 1942-9-6 Siskiyou Caribou Lake, Trinity Alps. 2286 Comment
  UC1409424  Pedicularis contorta Frederick W. Oettinger 1968-8-22 599 Siskiyou ridge below Diamond Lake on way to English Peak (High Lake Basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2225 Comment
  CAS-BOT-BC266672  Pedicularis howellii Lillian Mott 1976-7-4 39 LM76 Siskiyou Lily Pad Lake ca 3 miles W of Cook and Green Pass 2011 Comment
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Feb 22 2021
  RSA0018475  Pedicularis howellii James R. Shevock 2012-7-20 40552 Siskiyou Rocky slope above Echo Lake on ridge, east of Red Buttes Wilderness and west of Cook and Green Pass, Applegate River Drainage. 1777 Comment
  HSC2366  Pedicularis racemosa William J. Ferlatte 1966-8-19 443 Siskiyou Kidd Creek Trail 1890 Comment
  RSA749130  Pedicularis racemosa James R. Shevock, David Toren 2000-9-1 20100 Siskiyou Applegate River Drainage. Along trail 959 toward Bear Gulch about 100 yards N of Cook and Green Pass off of road 1055. 1433 Comment
  POM147890  Pedicularis racemosa J. B. Feudge 1927-7-24 1760 Siskiyou Along trail, Mt Shasta City to Mt. Eddy. 1677 Comment
  POM210647  Pedicularis racemosa Louis C. Wheeler 1934-6-12 2702 Siskiyou Hungry Creek, Siskiyou Mts. (Mt Diablo Meridian) 1280 Comment
  RSA211402  Pedicularis racemosa William J. Ferlatte 1966-8-19 443 Siskiyou Kidd Creek Trail. Trinity Alps. 1890 Comment
  UCSB51237  Pellaea brachyptera Almanza, Ed 1976-7-13 Siskiyou McBride campground, Mt. Shasta 1493 Comment
  SEINET9628403 Image available Pellaea brachyptera William Bridge Cooke 1941-9-5 16275 Siskiyou Common on the bluff above MacBride Springs. 1524 Comment
  UCSB51230  Pellaea mucronata Almanza, Ed 1976-7-13 Siskiyou McBride campground, Mt. Shasta 1493 Comment
  CAS-BOT-BC67577  Pellaea mucronata L. E. Smith 1912-8-1 s.n. Siskiyou Near Mt. Shasta Comment
  UC1483456  Penstemon anguineus John Palmer 1980-7-23 1922 Siskiyou on w side of Upper Devils Peak Klamath National Forest, Seiad Valley Quad., Upper Devils Pk (Pacific Crest Trail) 1767 Comment
  SEINET5326467 Image available Penstemon anguineus G. Butler 1910-7-12 1761 Siskiyou Shackleford Creek 1219 Comment
  NY571173  Penstemon azureus var. azureus C. L. Hitchcock 1939-7-6 5230 Siskiyou Peak above and north of Divide of Siskiyou Mountains, on Takilma-Happy Camp road. 1828.8 Comment
  UC1258458  Penstemon cinicola J. Sawyer and J. Cole 1980-7-20 3782 Siskiyou s of Grouse Hill (at n base of Badger Peak, Klamath National Forest); Klamath National Forest, Badger Peak 2145 Comment
  CLARK-A1528-1220  Penstemon davidsonii John C. Roos 1948-9-1 3983 Siskiyou Etna Comment
  POM234400  Penstemon davidsonii subsp. davidsonii Alice Eastwood 1912-9-1 2057 Siskiyou Mount Shasta. Comment
  LA25853  Penstemon davidsonii var. davidsonii H. & M. Lewis; 1951-7-12 sn Siskiyou Mount Shasta, Panther Meadows, S side Comment
  UC1751242  Penstemon davidsonii var. davidsonii Annie M. Alexander and Louise Kellogg 1911-6-28 201 Siskiyou Wildcat Creek Comment
  HSC43259  Penstemon deustus K. Irwin 1977-5-22 382 Siskiyou On South Fork Salmon River Rd., 4 mi. E of Cecilville Comment
  HSC67773  Penstemon deustus J. O. Sawyer, J. Cole 1980-7-20 3792 Siskiyou E side of Grouse Hill 2134 Comment
  HSC63257  Penstemon deustus M. A. Baker 1979-7-31 1098 Siskiyou Johnson's Hunting Ground, 0.4 k. N of trail to Independence Valley 2000 Comment
  SJSU7926  Penstemon deustus J. W. Tilden 1958-6-26 1270 Siskiyou near Monument Headquarters, Lava Beds National Monument Comment
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Jun 9 2009
  JEPS2927  Penstemon deustus var. deustus W. L. Jepson 1907-7-10 2874 Siskiyou near (12 mi s) Preston Peak (Cedar Camp on Kelsey Trail, w Siskiyou Mts.); w Siskiyou Mts, (Klamath Range*) nr Preston Peak Comment
  NY609833  Penstemon deustus var. suffrutescens A. Eastwood 1937-6-26 5043 Siskiyou Salmon Mountains above Taylor Creek Comment
  UC313695  Penstemon gracilentus David D. Keck 1927-8-17 306 Siskiyou Horse Camp s side of Mt. Shasta, Horse Camp (s side of Mt. Shasta, Timberline) 2468 Comment
  JEPS11461  Penstemon heterodoxus var. shastensis Geo. D. Butler 1909-6-22 934 Siskiyou Goosenest Mountain Comment
  CHSC9505  Penstemon heterophyllus J. F. Goodwin 1971-7-3 142 Siskiyou South side of road with low shrubbery, 9.5 mi. south of Mt. Shasta Ski Bowl area. 1432 Comment
  NY603842  Penstemon humilis var. humilis E. I. Applegate 1931-6-24 6804 Siskiyou Between Bear Paw Cave, Modoc Lava Beds, and Medicine Lake Comment
  UC229876 Image available Penstemon laetus H. E. Brown Jun 11 1897-Jun 16 1897 360 Siskiyou n side Mt. Shasta; ; Mt. Shasta, Siskiyou Co. 1524 Comment
  UC195194  Penstemon laetus var. sagittatus Annie M. Alexander and L. Kellogg 1911-6-5 114 Siskiyou Mayten Comment
  UC54634  Penstemon laetus var. sagittatus H. M. Hall and E. B. Babcock June, 1903 4030 Siskiyou Sacramento River near Dunsmuir; Upper Sacramento Valley, Sacramento River 609 Comment
  HSC4837  Penstemon newberryi subsp. berryi J. O. Sawyer 1968-6-25 301 Siskiyou NE of N Horse Range Lake 2012 Comment
  CAS-BOT-BC239340  Penstemon newberryi var. berryi David D. Keck 1927-8-16 304 Siskiyou 4 mi. E. of Mt. Shasta City (Sisson) on W. flank of Mt. Shasta 1609 Comment
  NY629993  Penstemon parvulus F. M. Ownbey 1940-7-7 2215 Siskiyou Summit of Cayenne Ridge, Marble Mountain Comment
  UC690225  Penstemon parvulus Isabelle C. Kimber 1934-6-9 31 Siskiyou just above Ney Creek confluence with Sacramento River (Steelbridge Camp); Sacramento River 731 Comment
  UC164353  Penstemon procerus var. brachyanthus Geo. D. Butler 1910-7-10 1739 Siskiyou Shackleford Creek Upper Campbell Lake, Shackleford Creek 1371 Comment
  UC2046559  Penstemon purpusii William J. Ferlatte 1974-7-15 1537 Siskiyou Yellow Rose Mine Trail 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
  HSC474  Penstemon roezlii William J. Ferlatte 1966-8-4 299 Siskiyou Yellow Rose Mine 1982 Comment
  NY650146  Penstemon roezlii E. L. Greene 1876-6-5 s.n. Siskiyou Comment
  RSA0006225  Penstemon shastensis D. D. Keck 1940-6-13 5172 Siskiyou Grass Lake 1540 Comment
  NY660806  Penstemon speciosus N. H. Holmgren 1966-6-9 2677 Siskiyou US 97, Shasta Valley, 4 miles north of Weed. 1158.2 Comment
  SD60176  Penstemon speciosus A. A. Heller 1928-6-9 14605 Siskiyou near Yreka in the yellow pine belt Comment
  UC727350  Penstemon speciosus Elmer I. Applegate 1931-6-24 6805 Siskiyou between Bear Paw Cave, Modoc Lava Beds and Medicine Lake; btw Bear Paw Cave, Modoc Lava Beds and Medicine Lake Comment
  HSC97691  Penstemon spectabilis Thomas W. Nelson, Jane Nelson 2006-7-1 9448 Siskiyou Along USFS Rd. 4319, Military Pass Rd., The Whaleback 1392 Comment
  SBBG25821  Perideridia gairdneri D. Myrick 1966-8-13 1550 Siskiyou below Mountain Meadow Ranch, Big Flat, Trinity Alps 1524 Comment
  SEINET9615222 Image available Perideridia leptocarpa L. Constance, T. I & Fei-Mei Chuang, M. Sousa S. 1966-1 Siskiyou Cecilville, 5 miles nw of Cecilville 762 Comment
  UC1312872  Perideridia leptocarpa L. Constance, T. I. and Fei-Mei Chuang, M. Sousa S. 1966-6-15 3768 Siskiyou 5 mi nw Cecilville (w-facing slope above river); Trinity River; Trinity River, NW of Cecilville, Siskiyou Co. 762 Comment
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Mar 2 2015
  UC1390009  Perideridia leptocarpa T. I. Chuang, I. Fukuda, and A. Weston 1963-7-6 5879 Siskiyou 3 mi n Cecilville Comment
  JEPS14096  Perideridia oregana Ruby Van Deventer 1938-7-31 295 Siskiyou trail to Twin Valley 2 mi s Poker Flat (Siskiyou-Del Norte Co. line); Siskiyou Mountains 1280 Comment
  UCR37514  Perideridia oregana L. P. Janeway 1983-8-28 642 Siskiyou Poker Flat 1529 Comment
  UCD77912  Perideridia parishii subsp. latifolia Robert E. Preston 2001-8-26 1757 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1877 Comment
  CAS-BOT-BC330263  Petasites frigidus var. palmatus H. A. Thomas; J. H. Thomas 1954-7-23 4469 Siskiyou Salmon - Trinity Mts. Abouty 6 miles SE of Cecilville. Vicinity of Blind Horse Creek. 1036 Comment
  JEPS37160  Petasites frigidus var. palmatus Geo. D. Butler 1909-4-11 627 Siskiyou Shasta Springs Comment
  UC910006  Phacelia corymbosa A. A. Heller 1916-7-22 12486 Siskiyou e side Mt. Eddy Comment
  POM73771  Phacelia egena Geo. D. Butler 1910-5-4 1280 Siskiyou Dry hill near Yreka Comment
  JEPS2787 Image available Phacelia frigida W. L. Jepson 1894-8-4 21042 Siskiyou Mt. Shasta Comment
  SEINET5763105  Phacelia greenei L. Constance, H. L. Moon, J. F. Davidson, J. M. Tucker 1947-5-17 3200 Siskiyou Scott Mountain, summit of northwest spur. 1829 Comment
  JEPS47358  Phacelia hastata L. R. Heckard and R. Bacigalupi, Ed Stuhl 1966-6-20 1526 Siskiyou Bolam logging rd Mt. Shasta (n side of mt.) 1889 Comment
  UCSB51236  Phacelia hastata subsp. compacta Almanza, Ed 1976-7-13 Siskiyou McBride campground, Mt. Shasta 1493 Comment
  CHSC63608  Phacelia hastata subsp. hastata Vernon H. Oswald; Lowell Ahart 1994-8-10 6449 Siskiyou Pilgrim Creek Rd. (FS13) at the railroad crossing 0.9 mi N of Hwy.89, ca. 3 mi (air) ENE of McCloud. 1048 Comment
  HSC76997  Phacelia hastata var. compacta K. T. Stillman 1976-6-25 92 Siskiyou Marble Mtn. Wilderness Area, between Marble Gap and Elk Valley trail 2073 Comment
  SEINET5763832  Phacelia heterophylla G. D. Butler 1910-5-7 1300 Siskiyou Near Yreka Comment
  JEPS2080  Phacelia heterophylla subsp. virgata Geo. D. Butler 1909-5-8 743 Siskiyou near Yreka Comment
  UC1055964  Phacelia heterophylla subsp. virgata Edw. L. Greene June 1876 Siskiyou Comment
  HSC60793  Phacelia leonis Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  CHSC71304  Phacelia linearis Vernon H. Oswald; Lowell Ahart 1998-6-11 9182 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  UC1069355  Phacelia linearis M. H. Mitchell 1936-5-14 19 Siskiyou Capt. Jack's Stronghold Modoc Lava Beds Natl Monument, Dorris Quadrangle 1554 Comment
  UC1481196  Phacelia linearis L. Constance 1980-6-3 3897 Siskiyou junction of old Military Pass rd and U. S. Hwy. 97 (n of Mt. Shasta) 1341 Comment
  UC192004  Phacelia pringlei Lemmon Sept. 1879 Siskiyou near Mt. Shasta Comment
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Aug 13 2011
  UC923132  Phacelia procera Freed W. Hoffman 1950-7-13 3338 Siskiyou Baldy Mountain Lookout North Coast Ranges (w Siskiyou Co.) 1737 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
  CHSC32702  Philadelphus lewisii J. P. Smith; Steve Selva 1970-6-14 3890 Siskiyou 1 mile east of Steinacher Creek road on road to Forks of Salmon. Comment
  RSA186328  Phleum alpinum Gilbert Muth 1966-10-16 19 Siskiyou Marble Mountains 1793 Comment
  UC618878  Phleum alpinum W. Bridge Cooke 1938-9-17 11688 Siskiyou Mount Shasta; Horse Camp Comment
  UC722304  Phlox C. L. Hitchcock and J. S. Martin 1939-7-7 5274 Siskiyou 0.5 mi above Camp Chicago (on Sanger Peak Trail); Whiskey Lake 1463 Comment
  HSC31132  Phlox adsurgens J. O. Sawyer 1971-8-20 2461 Siskiyou Near Huckleberry Mtn. 1829 Comment
  UC455646  Phlox austromontana I. J. Condit 1911-7-22 Siskiyou Horse Camp Mt. Shasta 2438 Comment
  HSC69741  Phlox diffusa Maralyn A. Renner 1980-6-26 1276 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  SEINET10913457  Phlox diffusa Andrew Townesmith, Karen M. Meyer 2007-7-30 Townesmith 868 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta. T41N R3W S33 NW 1/4. 2399 Comment
  JEPS70013  Phlox hirsuta Geo. D. Butler 1909-5-3 739 Siskiyou near Yreka Comment
  RSA468395  Phlox hoodii subsp. canescens Christopher Davidson 1975-6-5 2682 Siskiyou 0.8 mi N of Scott Mtn Summit on Hwy 3. 1585 Comment
  UC572311  Phlox hoodii subsp. canescens W. H. Mitchell 1936-5-8 Siskiyou Base of Schonclim Butte Dorris Quad. 1432 Comment
  UC164140  Phlox hoodii subsp. canescens Geo. D. Butler 1909-5-15 738 Siskiyou Klamath Hills Klamath Comment
  HSC17196  Phlox speciosa subsp. nitida Lincoln Constance, R. C. Rollins 1942-5-13 2912 Siskiyou Scott River, 2 mi. NW of Scott Bar 488 Comment
  HSC45989  Phlox speciosa subsp. nitida J. P. Smith 1973-5-5 6546 Siskiyou Scott Bar along the Scott River Comment
  UCD77915  Phoenicaulis cheiranthoides Robert E. Preston 2002-6-20 1861 Siskiyou Klamath National Forest, Rainbow Mountain W ridge, on E-facing slope 1960 Comment
  CAS-BOT-BC135020  Phoradendron bolleanum G. T. Benson 1921-12-23 s.n. Siskiyou Hilt Comment
  CAS-BOT-BC135022  Phoradendron bolleanum L. E. Smith 1914-3-19 s.n. Siskiyou Yerka Comment
  POM165888  Phoradendron densum E. B. Copeland 1903-7-7 3542 Siskiyou Hornbrook. Comment
  UC1039905  Phoradendron densum James Weir 1916-1 9361 Siskiyou Siskiyou Nat'l Forest Comment
  CAS-BOT-BC56491  Phyllodoce empetriformis Ira L. Wiggins 1955-7-27 13543 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC96364  Phyllodoce empetriformis Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 496 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  JEPS66651  Phyllodoce empetriformis W. L. Jepson 1907-7-6 2850 Siskiyou Ridge above Cudahay Valley (Marble Mountain region); Marble Mountain region Comment
  UC1190116  Phyllodoce empetriformis Ira L. Wiggins 1955-7-27 13543 Siskiyou Salmon-Trinity Alps Primitive Area, Caribou Lake Caribou Lake; Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  UC246671  Phyllodoce empetriformis H. E. Brown Jun 11 1897-Jun 16 1897 459 Siskiyou n side of Mount Shasta Mount Shasta 1524 Comment
  UC618899  Phyllodoce empetriformis W. Bridge Cooke 1938-7-21 11291 Siskiyou Mount Shasta, Heather Meadow, Panther Creek, (feature of the meadows at Panther and Squaw Creeks) Panther Creek; Mount Shasta, Heather Meadow, Panther Creek 2286 Comment
  CHSC91747  Physalis longifolia D. H. Shaw; T. C. Fuller 1977-8-30 20221 Siskiyou In field, south of Willow Creek Road, 17 km. northeast of Montague. Comment
  CAS-BOT-BC140607  Physocarpus capitatus Copeland 1903-9-6 3858 Siskiyou Mt. Eddy Comment
  POM208276  Physocarpus capitatus Louis C. Wheeler 1934-7-5 2877 Siskiyou Beaver Creek at Deer Creek, Siskiyou Mts. 976 Comment
  RSA300521  Physocarpus capitatus Walter Wisura, John Dourley 1982-10-16 3874 Siskiyou Shores of Castle Lake, SW of town of Mt. Shasta. 1646 Comment
  CAS-BOT-BC73429  Picea breweriana T. H. Harris 1951-5-30 s.n. Siskiyou Tanner Butte Road, near Happy Camp. 1828 Comment
  CAS-BOT-BC78170  Picea breweriana Marion Ownbey; Fred G. Meyer 1940-7-6 2205 Siskiyou Summit of Cayenne Ridge on west side, Marble Mountain Comment
  CAS-BOT-BC78173  Picea breweriana Doris K. Kildale 1929-8-24 8839 Siskiyou Preston Peak 2225 Comment
  CAS-BOT-BC78179  Picea breweriana L. E. Berriman 1941-1-1 s.n. Siskiyou North slopes of Russian Peak; west of Callahan 2133 Comment
  HSC36699  Picea breweriana Brent Whiteley 1975-7-3 132 Siskiyou 1220 Comment
  POM230327  Picea breweriana J. T. Howell 1937-7-24 13413 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  HSC4810  Picea engelmannii J. O. Sawyer 1968-6-19 253 Siskiyou Lower slopes of valley near Blake's Fork. 1616 Comment
  UC1220342  Picea engelmannii H. G. Baker 1963-7-5 Siskiyou w Russian Creek; Sawyer's Bar District, Blake's Fork Meadow 1676 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
  RSA31098  Picea engelmannii L. E. Berriman 1940-8-30 s.n. Siskiyou Sugar Creek, a tributary of the Scott River; Mount Diablo Meridian 1433 Comment
  HSC103157  Pinus albicaulis Michael Kauffmann 2013-8-8 21 Siskiyou The Whaleback 2541 Comment
  RSA12507  Pinus attenuata C. B. Wolf 1934-7-4 5929 Siskiyou 3/10 mile below Walker Creek, Klamath River. Comment
  HSC1371  Pinus balfouriana R. J. Mastrogiuseppe 1967-6-30 Siskiyou Slope of Mt. Eddy, Bulk Collection # 88 2271 Comment
  UC338690  Pinus balfouriana unknown 1878-7-12 Siskiyou 20 mi w Mt. Shasta (s side of Mt. Eddy); Mt. Eddy Comment
  JEPS47960  Pinus contorta subsp. murrayana W. L. Jepson 1907-7-4 2813 Siskiyou e of Marble Mt.; Shackelford Canyon Comment
  POM126999  Pinus jeffreyi A. A. Heller 1915-8-26 12252 Siskiyou Metcalf s Ranch at the foot of Mt. Eddy. 1189 Comment
  UC399084  Pinus jeffreyi Hall and Babcock June 1903 Siskiyou near Edgewood Comment
  CAS-BOT-BC73097  Pinus lambertiana Doris K. Kildale 1929-5-11 7749 Siskiyou Cecilville, South Fork of Salmon River Comment
  RSA624393  Pinus lambertiana L. C. Wheeler 1952-9-17 6937 Siskiyou Unspecified. Comment
  CAS-BOT-BC78926  Pinus monticola W. B. C. 1938-9-17 11705 Siskiyou Slopes below Horse Camp 2133 Comment
  HSC68460  Pinus monticola Maralyn A. Renner 1980-7-4 1454 Siskiyou Clear Creek Trail, N of Trout Camp. 1037 Comment
  UC1409220  Pinus monticola Frederick W. Oettinger 1968-9-2 671 Siskiyou open woods e of inlet to Upper English Lake (w Siskiyou County, the high lake basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  JEPS51259  Piperia unalascensis Al Hobart 1967-8-8 Siskiyou on the north face of El Capitan (western Siskiyou Mountains); western Siskiyou Mountains 1828 Comment
  CAS-BOT-BC458145  Pityopus californicus Gilbert Muth 1966-7-29 465 Siskiyou Marble Mts.,: Marble Valley, by waterfall 1828 Comment
  UCD120837  Plagiobothrys hispidulus Louis C. Wheeler 1934-7-3 2869 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts., Mt. Diablo Mer. 1676 Comment
  JEPS44108  Plagiobothrys hispidus W. B. and V. G. Cooke 1966-4-25 35175 Siskiyou Bolam Road Mt. Shasta 1524 Comment
  UC164103  Plagiobothrys nothofulvus Geo. D. Butler 1910-5-6 1293 Siskiyou near Yreka Comment
  POM196578  Plantago eriopoda A. A. Heller 1927-8-2 14442 Siskiyou Near Gazelle, Shasta Valley. Comment
  HSC22080  Platanthera dilatata var. leucostachys J. O. Sawyer 1969-7-11 864 Siskiyou Ravine above C.C.C. road. 1280 Comment
  UC673594  Platanthera leucostachys D. Tebbe 1929-6-7 145 Siskiyou Mount Eddy Comment
  RSA233680  Platanthera leucostachys Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38962 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  SJSU6500  Platanthera sparsiflora R. W. Trivelpiece 1972-6-15 115 Siskiyou Vann Creek near Bear Peak, SW of Happy Camp 1280 Comment
  HSC62289  Platanthera sparsiflora Ruby Van Deventer 1960-7-7 Siskiyou Youngs Valley Comment
  HSC41084  Plectritis congesta J. O. Sawyer 1970-3-4 2070 Siskiyou N of Idlewild Campground. 762 Comment
  RSA48224  Plectritis congesta subsp. brachystemon Roxana S. Ferris, Laura Lorraine 1948-6-12 11726 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  UC2061778  Poa Unknown 1948-8-2 Siskiyou Mount Shasta, Panther meadow. Comment
  HSC92164  Poa bolanderi Jennifer Whipple 1976-9-4 1807 Siskiyou Dale Creek drainage on the N face of Mount Eddy. 2195 Comment
  RSA184793  Poa bolanderi Gilbert Muth 1966-7-17 402 Siskiyou Trail to lookout, Marble Mountains 1829 Comment
  UC166234  Poa bolanderi Geo. D. Butler 1910-7-12 1747 Siskiyou Shackleford Creek 1371 Comment
  HSC100199  Poa bulbosa J. P. Smith, J. O. Sawyer & R. J. Cole 2011-5-22 13164 Siskiyou Klamath National Forest, East Fork Campground. 735 Comment
  UCD90664  Poa bulbosa Morris Halperin 1930-5-17 304 Siskiyou Eureka. Schumeyer Ranch (Geo. Gray.) Comment
  CAS-BOT-BC246634  Poa howellii Lewis S. Rose 1945-6-18 45111 Siskiyou Horse Creek & Klamath River 502 Comment
  HSC69043  Poa piperi Maralyn A. Renner 1980-8-7 2349 Siskiyou Klamath National Forest, S of Rattlesnake Meadow. 1799 Comment
  CDA2365  Poa pratensis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2627 Siskiyou 0.4 km northeast of Oro Fino. Comment
  RSA238331  Poa pringlei Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1218 Siskiyou Crapo View Gap above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  SEINET10659282  Poa pringlei William B. Cooke 1941-9-10 Cooke 16293 Siskiyou Occasional among boulders on ridges above Horse Camp, Mt. Shasta. Comment
  SEINET207114 Image available Poa pringlei Rimo Bacigalupi 1959-7-1 7197 Siskiyou At edge of overhanging lava rock near head of ski lift above Mt. Shasta ski Bowl Lodge; on moriane between ice and snow fields; southwestern slopes of Mt. Sasta; elev. 9300 Comment
  CAS-BOT-BC247533  Poa rhizomata Geo. D. Butler 1910-4-21 1206 Siskiyou Kidder Creek 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
  CAS-BOT-BC237713  Poa secunda David D. Keck 1949-7-20 6368 Siskiyou At Scott Mountain Summit, at Trinity County line 1633 Comment
  HSC77024  Poa secunda subsp. juncifolia K. T. Stillman 1976-6-25 52 Siskiyou Marble Mtn. Wilderness Area, SW facing slope. 1921 Comment
  UCD148981  Poa secunda subsp. juncifolia G. Douglas Barbe; T. C. Fuller, J. T. Howell 1980-4-28 2587 Siskiyou between Old Highway 99 and railroad at Truttman Lane, 2.3 km south of Grenada. 800 Comment
  HSC39635  Poa secunda subsp. secunda J. P. Smith, J. O. Sawyer 1972-6-30 5644 Siskiyou Ridge W of Little Duck Lake. 2378 Comment
  UC1037087  Poa secunda subsp. secunda Leo Whitney 1934-6-29 2224 Siskiyou near Tennant (Antelope Creek) 1463 Comment
  UC820882  Poa secunda subsp. secunda Louis C. Wheeler 1934-8-9 3076 Siskiyou head Jaynes Canyon; Siskiyou Mts 1920 Comment
  UCD91627  Poa secunda subsp. secunda A. A. Heller 1920-6-28 13402 Siskiyou Beyond Wagon Creek falls, east side of Mt. Eddy. 1524 Comment
  HSC39632  Poa wheeleri J. P. Smith, J. O. Sawyer 1972-6-30 5647 Siskiyou Ridge W of Little Duck Lake. 2378 Comment
  UCD52735  Podagrostis humilis Beecher Crampton 1956-8-21 3803 Siskiyou slopes above Gumboot Lake, headwater of the south fork of the Sacramento River, 15-16 miles southwest of Mt. Shasta City. 1920 Comment
  UC922452  Polemonium californicum Annie M. Alexander and Louise Kellogg 1949-7-20 5819 Siskiyou Paradise Lake Marble Mountains, Paradise Lake 1920 Comment
  UCD118556  Polemonium californicum J. M. Tucker 1963-7-7 3725 Siskiyou In vicinity of Paradise Lake, at the base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1981 Comment
  CAS-BOT-BC232901  Polemonium carneum Louise A. Boyd; Katherine Donahoe 1923-5-1 s.n. Siskiyou Near Oregon boundary Comment
  UC52663  Polemonium carneum W. P. Gibbons Aug 1896 a 2 Siskiyou <?>town Comment
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Nov 26 2011
  JEPS83035  Polyctenium fremontii var. fremontii L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2300 Siskiyou 0.8 mi. s. of Bray junction on U.S. Hwy. 97 Murphy Wells 1493 Comment
  HSC45188  Polygala californica J. O. Sawyer, E. Cope 1977-6-18 2930 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  HSC67531  Polygala californica J. P. Smith, Steve Selva 1970-6-15 3907 Siskiyou 10 mi. NW of Forks of Salmon Comment
  SEINET5845278  Polygala cornuta D. Parker, W. Roderick 1967-7-25 s.n. Siskiyou Cabin Meadow, Scott Mountain 1829 Comment
  CAS-BOT-BC170329  Polygala cornuta var. cornuta Alice Eastwood 1917-9-2 6707 Siskiyou Shasta Springs Comment
  POM299532  Polygala cornuta var. cornuta Marion Ownbey, Fred G. Meyer 1940-7-3 2164 Siskiyou 7 mi. northwest of McCloud. Comment
  SEINET1004842  Polygala cornuta var. cornuta Marion Ownbey 1940-1 2164 Siskiyou 7 miles northwest of McCloud. Comment
  UC1034061  Polygala cornuta var. cornuta W. Bridge Cooke 1941-9-5 16259 Siskiyou along Sisson Southern Trail and Memorial Highway Mount Shasta 1371 Comment
  CAS-BOT-BC414175  Polygonum aviculare subsp. buxiforme Geo. D. Butler 1908-6-24 181 Siskiyou Unspecified Comment
  UC850005  Polygonum aviculare subsp. depressum A. A. Heller 1915-8-24 12207 Siskiyou Metcalf's ranch, NE base of Mt. Eddy 1188 Comment
  UC1299691  Polygonum bistortoides Freed W. Hoffman 1951-7-16 4055 Siskiyou Sky High Valley Marble Mountains Comment
  UC1190188  Polygonum davisiae Ira L. Wiggins 1955-7-27 13540 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  UC1215081  Polygonum davisiae Paul C. Hutchison 1962-8-2 927 Siskiyou between Panther Meadow and top of ski lift (s slopes); Mount Shasta 2438 Comment
  POM104491  Polygonum douglasii Geo. D. Butler 1910-7-9 1706 Siskiyou Shackleford Creek. 1220 Comment
  HSC32768  Polygonum douglasii Frederick W. Oettinger 1969-8-14 1378 Siskiyou Marble Mtn. Wilderness Area, campsite, English Lake 1829 Comment
  JEPS24034  Polygonum douglasii subsp. douglasii Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6898 Siskiyou Siskiyou Mts., Poker Flat 1536 Comment
  UC454278  Polygonum douglasii subsp. douglasii I. J. Condit 1911-7-7 Siskiyou Shasta Retreat; meadow and along logging road 914 Comment
  UC850088  Polygonum douglasii subsp. douglasii John Thomas Howell 1939-8-2 14939 Siskiyou Spirit Lake Marble Mts. Comment
  CAS-BOT-BC418619  Polygonum majus John Thomas Howell 1939-8-4 15035 Siskiyou Between Elk Mt. and Marble River, Marble Mts. Comment
  CAS-BOT-BC418593  Polygonum minimum Louis C. Wheeler 1934-8-22 3207 Siskiyou Dead Cow Creek, Siskiyou Mts. 1828 Comment
  CAS-BOT-BC418594  Polygonum minimum Louis C. Wheeler 1934-8-22 3207 Siskiyou Dead Cow Creek, Siskiyou Mts. 1828 Comment
  UC1735918  Polygonum newberryi Dean W. Taylor 1974-7-20 4241 Siskiyou 2499 Comment
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May 7 2014
  JEPS50641  Polygonum phytolaccifolium W. L. Jepson 1937-7-30 18565 Siskiyou Poker Flat Siskiyou Mts. (headwaters Indian Creek) 1584 Comment
  RSA237758  Polygonum phytolaccifolium Frederick W. Oettinger 1969-8-7 1274 Siskiyou SE end of English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1829 Comment
  UCD100571  Polygonum polygaloides subsp. confertiflorum Herbert L. Mason 1948-7-17 13595 Siskiyou Eastern Grass Lake. Comment
  CAS-BOT-BC420074  Polygonum polygaloides subsp. kelloggii Alice Eastwood 1921-7-29 10954 Siskiyou Medicine Lake Comment
  CAS-BOT-BC420073  Polygonum polygaloides subsp. kelloggii Doris K. Kildale 1928-7-4 5528 Siskiyou 1 1/2 miles east of summit between Salmon River & Etna. Comment
  HSC30501  Polygonum polygaloides subsp. kelloggii Frederick W. Oettinger, R. F. Thorne 1969-8-5 1216 Siskiyou Marble Mtn. Wilderness Area, base camp at English Lake 1829 Comment
  CAS-BOT-BC420223  Polygonum sawatchense subsp. sawatchense Alice Eastwood 1923-5-29 12007 Siskiyou Cantara Comment
  CAS-BOT-BC420224  Polygonum sawatchense subsp. sawatchense A. A. Heller 1916-6-20 12403 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  UCD100656  Polygonum sawatchense subsp. sawatchense Herbert L. Mason 1948-7-18 13623 Siskiyou Grass Lake. Comment
  CAS-BOT-BC109286  Polygonum shastense Peter Kamb 1949-8-25 1491 Siskiyou Southwest slope of Mount Shasta above Horse Camp. 2895 Comment
  SEINET10848475  Polygonum shastense Andrew Townesmith, Karen M. Meyer 2007-7-30 Townesmith 867 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta. T41N R3W S33 NW 1/4. 2399 Comment
  UC1188085  Polygonum shastense Philip A. Munz 1960-8-22 24182 Siskiyou Panther Meadows Mt. Shasta 2529 Comment
  HSC17500  Polygonum spergulariiforme Geo. D. Butler 1908-8-29 189 Siskiyou Comment
  HSC76893  Polygonum spergulariiforme K. T. Stillman 1976-9-9 489 Siskiyou Marble Mtn. Wilderness Area; trail from jump off to Paradise Lake 1951 Comment
  CAS-BOT-BC76736  Polystichum imbricans subsp. imbricans Edward Lee 1934-8-14 1115 Siskiyou Little Grayback, Siskiyou-Del Norte county line. 1798 Comment
  JEPS83824  Polystichum imbricans subsp. imbricans Wayne Roderick July 1976 Siskiyou near Lily Pad Lake (vicinity of Cook and Green Pass); Siskiyou Mts. 1828 Comment
  CAS-BOT-BC482441  Polystichum kruckebergii Dana York 2011-8-12 3046 Siskiyou Marble Mountain Wilderness, Klamath National Forest, NE-facing slope of Marble Mountain 2065 Comment
  CAS-BOT-BC72386  Polystichum lemmonii Peter H. Raven 1956-9-4 10406 Siskiyou south side of Mt. Eddy 2682 Comment
  RSA693357  Polystichum lemmonii L. C. Wheeler 1934-8-13 3114 Siskiyou East Fork Horse Creek. About rocks, bare north slope 1982 Comment
  UCSB28070  Polystichum lemmonii Bacciu, Eugene 1961-6-1 Siskiyou Mt. Eddy Creek, near Weed. 1524 Comment
  UCD136528  Polystichum lonchitis John M. Tucker 1963-8-19 3772 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area. 1950 Comment
  CAS-BOT-BC72517  Polystichum scopulinum Louis C. Wheeler 1934-8-26 3225 Siskiyou Trapper Creek, Siskiyou Mts. 1981 Comment
  CDA42711  Polystichum scopulinum T. C. Fuller, D. H. Shaw 1974-9-24 20042 Siskiyou Summit of the Siskiyou Mountains above Pacific Crest Trail, summit of the Siskiyou Mountains, east of White Mountain. 0 Comment
  SEINET8233949  Populus balsamifera Frank Callahan 2007-1 Siskiyou Moffett Creek. 884 Comment
  JEPS94388  Porterella carnosula Vernon Oswald and Lowell Ahart 1997-7-28 8806 Siskiyou 10.9 mi n of Highway 89 (on the e side of Forest Route 15); Forest Route 15 1383 Comment
  RSA68917  Potamogeton alpinus A. E. Culbertson 1943-8-1 41 Siskiyou Castle Lake. 14 miles s.w. of Mt. Shasta on n side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 air miles at its headwaters to the west. 1657 Comment
  RSA238841  Potamogeton pusillus subsp. tenuissimus Frederick W. Oettinger 1969-8-22 1494 Siskiyou Mucky bottom of Horses Hole. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  HSC100794  Potamogeton pusillus var. tenuissimus Lowell Ahart, John Dittes 2010-7-30 16963 Siskiyou In the Shasta river, ~30 yd. NW of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 (air) mi. SW of Big Springs Lake, 4.6 (air) mi. NW of Dwinnel Dam, and 5.7 (air) mi. SE of Grenada. 717 Comment
  UC12511  Potentilla breweri Harley P. Chandler June, 1901 1697 Siskiyou near Marble Mountain; North Coast Ranges, near Marble Mountain 1524 Comment
  HSC44969  Potentilla drummondii J. O. Sawyer 1978-6-20 3270 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  HSC19187  Potentilla flabellifolia J. O. Sawyer 1968-7-9 434 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC4790  Potentilla flabellifolia William J. Ferlatte 1966-8-5 359 Siskiyou Caribou Mtn. 2470 Comment
  CAS-BOT-BC143259  Potentilla flabellifolia David Keck 1938-9-8 11626 Siskiyou Springs in the South Gate Comment
  JEPS84267  Potentilla fruticosa L. R. Heckard with J. Hickman et al. 1986-7-17 6542 Siskiyou se Condrey Mt. (Alex Hole); se of Condrey Mt., Alex Hole 1960 Comment
  UCR64578  Potentilla gracilis William J. Ferlatte 1966-8-3 260 Siskiyou Mountain Meadow Ranch, weedy area around buildings 1524 Comment
  CHSC71498  Potentilla gracilis var. fastigiata Vernon H. Oswald; Lowell Ahart 1998-7-21 9351 Siskiyou Northeast of Weed and south of Macdoel along Old State Highway on the west side of Bray. In meadow along the road. 1417 Comment
  JEPS98790  Potentilla gracilis var. fastigiata Sue Pappalardo 1993-7-19 494 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-BC158534  Potentilla millefolia David D. Keck 1949-7-19 6345 Siskiyou 2 mi. S. of Grenada, along R.R. right-of-way 777 Comment
  CAS-BOT-BC143317  Potentilla newberryi Lillian S. Mott 1967-7-2 LM 6761 Siskiyou Along highway near Dorris 1524 Comment
  CHSC71501  Poteridium annuum Vernon H. Oswald; Lowell Ahart 1998-7-21 9344 Siskiyou Northeast of Weed and east of Grass Lake on the south side of Tennant Rd. 0.2 mi southeast of Old State Hwy. to Bray and on the east side of the intermittent stream draining Dry Lake. 1402 Comment
  HSC44891  Prosartes hookeri Maralyn O'Meara 1974-5-25 407 Siskiyou Along road to Duck Lakes trail 1402 Comment
  CAS-BOT-BC516391  Prosartes hookeri W. R. Dudley 1901-8-24 s.n. Siskiyou Salmon Mountains Comment
  UCD125347  Prunella vulgaris N. S. Morgan 1934-9-1 s.n. Siskiyou Mount Shasta City, Box 363. Comment
  JEPS124566 Image available Prunella vulgaris subsp. lanceolata Michael Fleschner 1965-7-14 1965 -141 Siskiyou 4 miles west of Deadhouse summit HWY 89. Comment
  UC1408768  Prunella vulgaris var. lanceolata Frederick W. Oettinger 1969-8-18 1422 Siskiyou just w Horse Range Lake outlet (the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area, western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 1821 Comment
  CAS-BOT-BC158245  Prunus emarginata K. T. Stillman 1976-6-25 95 Siskiyou Marble Mountain Wilderness Area. Between Marble Gap & Elk Valley trail Comment
  JEPS82469  Prunus emarginata Gilbert Muth 1966-7-8 373 Siskiyou Marble Valley Meadow, Marble Mountain Wilderness Area Marble Valley Meadow; , Marble Mountain Wilderness Area 1792 Comment
  POM88583  Prunus emarginata Edward Palmer 1892-7-13 2563 Siskiyou Mount Shasta and vicinity Comment
  UC154511  Prunus emarginata Harley P. Chandler June, 1901 1603 Siskiyou near Marble Mountain (Klamath River to Marole Mountain); North Coast Range 1828 Comment
  CAS-BOT-BC158199  Prunus emarginata Paul F. Covel 1939-8-13 1652 Siskiyou Lava Beds Nat. Monument, Modoc-Siskiyou Co's Comment
  CAS-BOT-BC158225  Prunus emarginata W. R. Dudley 1901-8-25 s.n. Siskiyou Near 14 mile Post, Salmon Creek, Salmon Mts. Comment
  SEINET10874318  Prunus emarginata David B. Dunn 1971-8-15 Dunn 18142 Siskiyou 0.5 mile e of mccloud ranger station on mwy 89. Yellow pine forest. Fruit Scarlet Comment
  CAS-BOT-BC154677  Prunus subcordata Geo. D. Butler 1910-4-12 1170 Siskiyou Yreka Creek Comment
  HSC19190  Prunus virginiana var. demissa J. O. Sawyer 1968-6-18 216 Siskiyou Headwaters of Blake's Fork of S Russian Creek. 1738 Comment
  HSC60170  Prunus virginiana var. demissa J. P. Smith 1976-5-22 8792 Siskiyou Near County Dump in Scott Valley between Callahan and Etna 1037 Comment
  HSC76874  Prunus virginiana var. demissa K. T. Stillman 1976-6-26 136 Siskiyou Marble Mtn. Wilderness Area, Kings Castle 2134 Comment
  RSA15594  Prunus virginiana var. demissa Carl B. Wolf 1927-8-27 1114 Siskiyou On the Klamath River, Happy Camp. Comment
  UC375375  Prunus virginiana var. demissa Geo. D. Butler Jul 14 1908-May 16 1909 1047 Siskiyou near Yreka Comment
  UCR152042  Prunus virginiana var. demissa P. V. Wells 1967-1-7 s.n. Siskiyou Mt. Shasta, At Mcbryde Spring 1524 Comment
  CAS-BOT-BC356386  Pseudognaphalium beneolens Geo. B. Grant 1902-9-6 5075 Siskiyou Sisson Comment
  CAS-BOT-BC357405  Pseudognaphalium microcephalum Alice Eastwood 1921-7-26 10868 Siskiyou Soda Creek Comment
  UCD135254  Pseudognaphalium thermale J. P. Smith 1972-9-13 5785 Siskiyou 1/2 mile west of Cook and Green Pass on road to Lily Pad Lake. Comment
  CHSC91364  Pseudoroegneria spicata subsp. spicata Lowell Ahart; John Dittes 2005-6-9 12031 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
  HSC81663  Pseudostellaria jamesiana Thomas W. Nelson, Jane P. Nelson 1980-7-17 6079 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  CAS-BOT-BC80177  Pseudotsuga menziesii Doris K. Kildale 1927-11-20 4178 Siskiyou Fort Jones Comment
  LA6344  Pseudotsuga menziesii var. menziesii W. B. C.; 1939-7-26 13788 Siskiyou Mount Shasta, along the Sisson Southern Trail 1371 Comment
  HSC30661  Pteridium aquilinum var. pubescens Frederick W. Oettinger 1968-8-14 513 Siskiyou Marble Mountain Wilderness Area, near Tom Taylor Cabin 2027 Comment
  HSC46115  Pterospora andromedea J. P. Smith, Steve Selva 1970-6-16 4000 Siskiyou 5 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1189 Comment
  JEPS107956  Puccinellia distans Lowell Ahart, John Dittes 2005-6-9 12002 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
  UCD169447  Puccinellia distans Lowell Ahart; John Dittes 2005-6-9 12002 Siskiyou About 2 1/2 miles (air) east-southeast of Grenada, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 300 yards east of where cattle water in the Shasta River, on the east side of a poor rock fence. 774 Comment
  CAS-BOT-BC147914  Purshia tridentata var. tridentata Ellsworth Bethel 1923-5-22 s.n. Siskiyou McCloud Comment
  JEPS23190  Pycnanthemum californicum W. L. Jepson 1914-8-13 5785 Siskiyou Sisson 1097 Comment
  CAS-BOT-BC465507  Pyrola asarifolia L. E. Smith 1914-7-3 730 Siskiyou Sisson Comment
  UC1190130  Pyrola picta Ira L. Wiggins 1955-7-23 13463 A Siskiyou ridge W of China Creek, S side of S Fork of Salmon River 960 Comment
  UC32712  Pyrola picta Milo S. Baker 1893-1 Siskiyou McCloud River near Bartles; McCloud River Comment
  CAS-BOT-BC466129  Pyrola picta Alice Eastwood 1921-7-24 10800 Siskiyou Castle Lake Comment
  CAS-BOT-BC466149  Pyrola picta H. A. Thomas; J. H. Thomas 1954-7-21 4419 Siskiyou Salmon-Trinity Mts. About 6 mi SE of Cecilville. West side of Rush Creek. 1219 Comment
  JEPS81784  Pyrrocoma racemosa var. pinetorum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6868 Siskiyou about 3 mi n (below) Scott Mtn. road summit (on road to Callahan) 1219 Comment
  RSA44901  Pyrrocoma racemosa var. pinetorum J. C. Roos 1948-9-1 3954 Siskiyou Near Fort Jones. 854 Comment
  CAS-BOT-BC362388  Pyrrocoma racemosa var. racemosa A. A. Heller 1917-9-7 12980 Siskiyou Shasta Valley five miles south of Gazelle 914 Comment
  UC70408  Quercus chrysolepis Milo S. Baker Jul 1899 Siskiyou near Dunsmuir; Sacramento River Comment
  UCD82869  Quercus chrysolepis Rodney Gale Myatt 1971-9-22 1220 -6 Siskiyou Next to Klamath River, past Horse Creek. 500 Comment
  SEINET9005431  Quercus chrysolepis G. D. Butler 1910-6-7 1530 Siskiyou Greenhorn mountain Comment
  UC164448  Quercus garryana Geo. D. Butler 1910-4-16 1182 Siskiyou Klamath River Comment
  UCD46153  Quercus garryana Edward Lee 1934-8-15 1126 Siskiyou Summit of Happy Camp- Waldo (one) Road. Indian Creek watershed. Klamath National Forest. 1615 Comment
  SFV17716  Quercus garryana var. breweri J. M. Tucker 1972-8-8 4245 Siskiyou Marble Mountains Marble Mountains. Trail from Whiskey Camp to Elk Peak, about 2.5 miles west-southwest of Marble Valley Guard Station. 1829 Comment
  UCD46171  Quercus garryana var. breweri P. C. Everett; E. K. Balls 1954-10-13 20288 Siskiyou Indian Creek road to Obrien, summit of pass, 21 mi. n.w. from Hwy 96 at Happy Camp, Siskiyou County. 1554 Comment
  OBI36119  Quercus garryana var. garryana David J. Keil 1983-7-3 17379 Siskiyou 11 mi NE of jctn with SR 3 along Gazelle-Callahan rd Comment
  POM106327  Quercus garryana var. garryana Geo. D. Butler 1910-4-16 1182 Siskiyou Klamath River. Comment
  RSA571660  Quercus garryana var. garryana Louis C. Wheeler 1934-10-7 3312 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mtns, Klamath River. 671 Comment
  CAS-BOT-BC105464  Quercus kelloggii Mrs. Pettibone 1894-8-7 s.n. Siskiyou Upper Soda Springs Comment
  POM106357  Quercus kelloggii Geo. D. Butler 1910-4-16 1183 Siskiyou Klamath River. Comment
  UC63979  Quercus kelloggii Kate Stirring 1904-9-25 Siskiyou Etna Mills Comment
  CAS-BOT-BC104348  Quercus sadleriana John Thomas Howell; Gordon H. True 1972-6-8 48854 Siskiyou S of summit on road from Takilma to Happy Camp Comment
  HSC64656  Quercus sadleriana J. O. Sawyer 1977-7-7 3042 Siskiyou Rd. to Haypress Meadows at Camp 3 1037 Comment
  RSA293015  Quercus sadleriana Reino Alava, Aloha Alava, Rimo C. Bacigalupi 1958-9-3 2454 Siskiyou At the junction of the road to Poker Flat and the road from Happy Camp to Takilma. 1377 Comment
  SD51661  Quercus sadleriana Reino Alava, Aloha Alava and Rimo Bacigalupi 1958-9-3 2454 Siskiyou At the junction of the road to Poker Flat and the road from Happy Camp to Takilma. 1376 Comment
  UC1212136  Quercus sadleriana Reino Alava, Aloha Alava, and Rimo Bacigalupi 1958-9-3 2454 Siskiyou at the junction of the road to Poker Flat and the road from Happy Camp to Takilma 1376 Comment
  UC1409454  Quercus sadleriana Frederick W. Oettinger 1968-9-7 761 Siskiyou n shore Tobacco Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, Engliah P 1889 Comment
  UCD47249  Quercus sadleriana P. C. Everett; E. K. Balls 1954-10-13 20292 Siskiyou Indian Creek rd. to Obrien, 20 1/2 mi. n.w. from Hwy 96 at Happy Camp, Siskiyou County. 1524 Comment
  SEINET12034999  Quercus sadleriana M. Ownbey, Meyer, F. G. 1940-1 2230 Siskiyou near summit of Siskiyou Mts, 20 mi N of Happy Camp Comment
  CAS-BOT-BC104480  Quercus vacciniifolia W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Lake Trail near Mt. Shasta Comment
  CAS-BOT-BC104618  Quercus vacciniifolia Doris K. Kildale 1929-8-24 9079 Siskiyou Rattlesnake meadow, near Preston Peak 1524 Comment
  CAS-BOT-BC380412  Ranunculus alismifolius var. hartwegii Frank W. Gould 1940-5-14 1225 Siskiyou Bull Meadows 11 mi west of Highway US 97 on road to Montague 1676 Comment
  UC1733729  Ranunculus aquatilis Kay H. Beach, Frank Gould 1940-5-15 619 Siskiyou Bull Meadows Comment
  UC1265404  Ranunculus aquatilis var. capillaceus Frederick W. Oettinger 1969-9-5 1679 Siskiyou Abbot's Lake Salmon Mountains, Marble Mountain Wilderness Area (high lake basins in vicinity of English Peak, w Siskiyou Co.) 1767 Comment
  UC1023837  Ranunculus aquatilis var. capillaceus Douglas Barbe 1955-6-29 52 Siskiyou 4.1 mi se Etna (on Eastside Rd.); Klamath Mountains 914 Comment
  HSC19169  Ranunculus eschscholtzii var. eschscholtzii J. O. Sawyer 1969-7-9 1275 Siskiyou NE facing slope above S Sugar Lake 2256 Comment
  JEPS55078  Ranunculus glaberrimus Geo. D. Butler 1910-3-7 1117 Siskiyou Shasta River Canyon Comment
  HSC601  Ranunculus orthorhynchus var. orthorhynchus William J. Ferlatte 1967-6-30 590 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  SBBG2272  Ranunculus repens H. and M. Dearing 1939-7-2 3794 Siskiyou near Etna Comment
  HSC19435D  Ranunculus uncinatus J. O. Sawyer 1969-7-11 855 Siskiyou Ravine above C.C.C. road. 1280 Comment
  RSA47792  Ranunculus uncinatus var. parviflorus Roxana S. Ferris, Laura Lorraine 1948-6-12 11746 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  CAS-BOT-BC56115  Rhamnus ilicifolia Louis C. Wheeler 1934-11-7 3360 Siskiyou Cottville, Klamath River, Mt. Diablo Mer. 566 Comment
  HSC68218  Rhamnus ilicifolia J. P. Smith, Steve Selva 1970-6-14 3865 Siskiyou Comment
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Feb 1 2013
  JEPS41969  Rhamnus purshiana Willis L. Jepson 1894-1 13967 Siskiyou Sisson Upper Sacramento Region Comment
  UC1121928  Rhamnus rubra H. S. Yates 1936-6-21 5829 Siskiyou n base Wintoon Butte; Dunsmuir Quad. 1219 Comment
  CAS-BOT-BC109793  Rhodiola integrifolia subsp. integrifolia Gilbert Muth 1966-7-31 474 Siskiyou North side of Black Mountain. Marble Mountains. 2057 Comment
  HSC22285  Rhododendron columbianum J. O. Sawyer 1969-6-13 1089 Siskiyou W of Little Duck Lake 2043 Comment
  UCD77802  Rhododendron columbianum Robert E. Preston 2002-7-13 1919 Siskiyou Klamath National Forest, Rainbow Lake 1828 Comment
  UC456172  Rhododendron occidentale I. J. Condit 1909-8-23 Siskiyou Castle Lake near Sisson; Castle Lake Comment
  CAS-BOT-BC92536  Ribes binominatum John Thomas Howell 1937-7-29 13672 Siskiyou North side of Scott Mountain. Comment
  HSC44980  Ribes binominatum J. O. Sawyer 1978-6-21 3283 Siskiyou Marble Mtn. Wilderness Area, along trail N of Clear Lake 1951 Comment
  RSA459476  Ribes binominatum M. B. Dunkle 1944-7-18 9150 Siskiyou Sterling Mountains, Siskiyou National Forest. 1890 Comment
  CAS-BOT-BC108769  Ribes cereum Alice Eastwood 1912-7-19 1247 Siskiyou Mount Shasta. Comment
  CAS-BOT-BC108777  Ribes cereum Louis C. Wheeler 1934-6-29 2825 Siskiyou Siskiyou Mountains. Soda Creek, Sterling Mountain. 1280 Comment
  CHSC9494  Ribes cereum J. F. Goodwin 1971-7-3 132 Siskiyou North side of road on dry rocky bank, 3.0 mi. south of Mt. Shasta Ski Bowl area. 2087 Comment
  RSA0024872  Ribes cereum 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
  UCR70820  Ribes cereum var. cereum M. O'Mera 1974-5-27 471 Siskiyou Along road 47N03. 1646 Comment
  CAS-BOT-BC6178  Ribes glanduliferum Amos Arthur Heller 1905-6-9 8005 Siskiyou Yreka Comment
  HSC100038  Ribes inerme var. klamathense J. P. Smith, & J. O. Sawyer 2010-5-6 12824 Siskiyou Along Rd. 92K02, E of Copco. 823 Comment
  UC165269  Ribes inerme var. klamathense Geo. D. Butler 1909-4-13 641 Siskiyou near Yreka Comment
  HSC61939  Ribes lacustre Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  HSC45029  Ribes lobbii Maralyn O'Meara 1974-5-25 400 Siskiyou Along road to Duck Lakes trail 1402 Comment
  UC1408857  Ribes lobbii Frederick W. Oettinger 1969-8-6 1250 Siskiyou outlet Pine Lake; Salmon Mountains, Marble Mountain Wilderness 1828 Comment
  RSA0021149  Ribes lobbii Geo. D. Butler 1910-4-22 1223 Siskiyou Quartz Valley. 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
  CAS-BOT-BC217879  Ribes nevadense Elmer I. Applegate 1895-5-29 197 Siskiyou Base of Mount Shasta, near Sisson, Strawberry Valley Comment
  UC618600  Ribes nevadense W. Bridge Cooke 1938-6-17 11006 Siskiyou Sisson Southern Trail Mount Shasta Comment
  RSA0023153  Ribes nevadense I. L. Wiggins 1955-7-25 13508 Siskiyou Ditch head on Rush Creek, Mountain View Ranch 1006 Comment
  HSC67806  Ribes roezlii J. O. Sawyer, J. Cole 1980-7-22 3971 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  UC375352  Ribes roezlii Geo. D. Butler 1908-7-19 264 Siskiyou Humbug Creek Comment
  UC618599  Ribes roezlii W. Bridge Cooke 1938-6-17 11001 Siskiyou Sisson Southern Trail Mount Shasta (also around Bear Springs) Comment
  UC857963  Ribes roezlii A. A. Heller 1915-7-15 11970 Siskiyou Mt. Eddy 2072 Comment
  CAS-BOT-BC199988  Ribes roezlii var. cruentum John Thomas Howell 1937-7-29 13635 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  JEPS49461  Ribes roezlii var. cruentum Geo. D. Butler 1909-4-11 655 Siskiyou Shasta Retreat Comment
  HSC29415  Ribes sanguineum Frederick W. Oettinger 1969-7-9 936 Siskiyou Vicinity of English Peak, Marble Mountain Wilderness Area; NW of Upper English Lake 1921 Comment
  JEPS49241  Ribes sanguineum Geo. D. Butler 1908-8-4 258 Siskiyou head Shackelford Creek 1676 Comment
  JEPS49244 Image available Ribes sanguineum W. L. Jepson 1907-7-5 2822 Siskiyou near Marble Mt. (head of Shackelford Canyon) 2133 Comment
  UC165922  Ribes sanguineum Geo. D. Butler 1908-8-4 258 Siskiyou head Shackleford Creek Comment
  CAS-BOT-BC173906  Ribes velutinum Elmer I. Applegate 1898-5-15 2126 Siskiyou Klamath River. Between Shovel Creek & Fall Creek 853 Comment
  CAS-BOT-BC173914  Ribes velutinum T. Howell 1889-4-15 s.n. Siskiyou Hornbrook Comment
  CAS-BOT-BC173913  Ribes velutinum Geo. D. Butler 1910-5-21 1374 Siskiyou Klamath River Comment
  CAS-BOT-BC168807  Ribes viscosissimum Alice Eastwood 1912-7-19 1246 Siskiyou Mount Shasta Comment
  HSC23473  Ribes viscosissimum J. O. Sawyer 1968-6-18 220 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  HSC92778  Ribes viscosissimum Jennifer Whipple 1976-7-8 1368 Siskiyou Ridgetop W of Dobkins Lake 2256 Comment
  CHSC91347  Rigiopappus leptocladus Lowell Ahart; John Dittes 2005-6-9 12045 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  HSC99213  Romanzoffia sitchensis Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  CDA23021  Rorippa columbiae F. D. Horn, M. Coll. 1977-7-28 s.n. Siskiyou Wildlife Refuge, Tulelake. 0 Comment
  JEPS53821  Rorippa curvisiliqua Geo. D. Butler 1908-8-9 131 Siskiyou Marble Mountain Valley 1676 Comment
  JEPS53851  Rorippa curvisiliqua Geo. D. Butler 1908-7-16 118 Siskiyou Butler's Ranch near Yreka, Butler's Ranch Comment
  UC164065  Rosa californica Geo. D. Butler 1910-5-16 1352 Siskiyou Yreka Comment
  CAS-BOT-BC146747  Rosa gymnocarpa Marian L. Campbell 1921-7-26 s.n. Siskiyou Near Castle Crags Comment
  HSC61512  Rosa gymnocarpa Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  RSA184749  Rosa gymnocarpa Gilbert Muth 1966-7-29 466 Siskiyou Marble Valley,.Marble Mtns. 1829 Comment
  UC164425  Rosa gymnocarpa Geo. D. Butler 1910-8-7 1816 Siskiyou Humbug Mountain 1219 Comment
  UC60952  Rosa gymnocarpa Geo. B. Grant Sept. 1902 5283 Siskiyou Dunsmuir Mount Shasta 609 Comment
  UC618738  Rosa gymnocarpa W. B. Cooke 1938-6-24 11094 Siskiyou MacBride Spring Road Mount Shasta 1524 Comment
  UC914728  Rosa gymnocarpa A. A. Heller 1915-8-24 12203 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  UC1795618  Rosa nutkana subsp. macdougalii Barbara Ertter 2001-6-9 17659 Siskiyou Mt. Shasta City at west base of Mt. Shasta, sedge meadow at SE corner of Lake and Commercial streets [destroyed for development in 2002] 1066 Comment
  HSC27228  Rosa rubiginosa J. P. Smith, J. O. Sawyer 1971-9-18 4803 Siskiyou 0.2 mi. W of the jct. of Hwy. 3 and Rd. 8 N of Callahan. Comment
  CAS-BOT-BC149739  Rosa woodsii subsp. ultramontana L. E. Smith 1915-9-1 s.n. Siskiyou Sisson Comment
  JEPS82988  Rubus glaucifolius Louis C. Wheeler 1934-8-31 3233 Siskiyou Bear Creek off West Fork Beaver Creek; Siskiyou Mts., Bear Creek off West Fork Beaver Creek 1767 Comment
  UCR66438  Rubus glaucifolius L. C. Wheeler 1934-8-31 3233 Siskiyou Siskiyou Mountains: semi-shady E slope. Bear Creek off W Fork Beaver Creek 1768 Comment
  CAS-BOT-BC147162  Rubus laciniatus Carl B. Wolf 1927-8-27 1115 Siskiyou On the Klamath River, Happy Camp Comment
  CAS-BOT-BC147977  Rubus leucodermis Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road 1524 Comment
  CAS-BOT-BC147311  Rubus parviflorus D. K. Noyes 1911-9-29 728 Siskiyou Klamath National Forest Comment
  LA208247  Rubus ursinus Wm. Bridge Cooke; 1939-7-14 13689 Siskiyou Mount Shasta, along the Sisson Southern Trail 1523 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
  UC850502  Rumex acetosella A. A. Heller 1915-8-24 12209 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  HSC68520  Rumex acetosella Maralyn A. Renner 1980-6-26 1147 Siskiyou Flint Valley. 1390 Comment
  CAS-BOT-BC433404  Rumex crispus H. E. Brown 1897-6-1 379 Siskiyou Near Sisson 1082 Comment
  UCD101332  Rumex kerneri G. D. Barbe 1980-6-5 2815 Siskiyou Abandoned dairy south of Knighton Road along Sacramento River, on Riverland Drive (Interstate 5 frontage road); between Redding and Anderson. 128 Comment
  CAS-BOT-BC433695  Rumex obtusifolius H. A. Thomas; J. H. Thomas 1954-7-26 4547 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Between Mt. View Cabin and S. Fork of Salmon River. 944 Comment
  JEPS39940  Rumex occidentalis W. L. Jepson 1913-8-13 5799 Siskiyou Marshes at Sisson Sisson 1097 Comment
  RSA237867  Sagina decumbens subsp. occidentalis Frederick W. Oettinger 1969-9-5 1688 Siskiyou South side of David Mt., Abbotts Lake region. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UC935797  Sagittaria cuneata Herbert L. Mason 1948-7-18 13607 Siskiyou Grass Lake Comment
  CAS-BOT-BC103367  Salix bonplandiana Thos. Howell 1889-4-14 1393 Siskiyou Hornbrook Comment
  CAS-BOT-BC103545  Salix commutata Doris K. Kildale 1928-8-19 6572 Siskiyou Hancock Lake on trail to Marble Mt. 2133 Comment
  UC846307  Salix eastwoodiae John Thomas Howell 1939-8-5 15077 Siskiyou Spirit Lake; Marble Mts. Comment
  CAS-BOT-BC103760  Salix exigua Lewis S. Rose 1945-6-22 45171 Siskiyou Beaver Creek & Klamath River 548 Comment
  HSC46778  Salix lasiandra William J. Ferlatte 1974-7-14 1529 Siskiyou Big Flat, S Fork of Salmon River below campground 1509 Comment
  LA208812  Salix lasiandra Louis C. Wheeler; 1934-7-5 2893 Siskiyou Siskiyou Mts, Hungry Creek, Mt Diablo Mer 1371 Comment
  CAS-BOT-BC125472  Salix lasiandra var. lasiandra W. R. Dudley 1893-6-19 s.n. Siskiyou Sisson Comment
  CAS-BOT-BC107060  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 415 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1455 Comment
  CAS-BOT-BC107062  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou North side of Mount Eddy, about 21 km. northwest of Shasta City 1650 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
  UC481899  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 409 Siskiyou about 16 km nw Shasta City (ne side of mt., edge of stream above Metcalf ranch house); Mount Eddy 1425 Comment
  UC482245  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 419 Siskiyou about 16 km nw Shasta City (ne side of mt., edge of stream above Metcalf ranch house); Mount Eddy 1425 Comment
  UC576377  Salix lasiolepis Mrs. H. P. Bracelin 1935-9-3 852 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
  SJSU199  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou 180 m below Dobkin's Lake, N side of Mt Eddy c. 21 km NW of Shasta City 1767 Comment
  POM219748  Salix lucida subsp. lasiandra H. P. Bracelin 1931-6-21 473 Siskiyou N base of Mt Eddy. About 13 km NW of Shasta City. At bridge, about 1.3 km E of Burney Mill. 1110 Comment
  UC437366  Salix melanopsis Annie M. Alexander and L. Kellogg 1911-6-13 142 Siskiyou 6 mi. n.w. Callahan Comment
  CAS-BOT-BC125931  Salix prolixa W. R. Dudley 1899-8-15 s.n. Siskiyou McCloud River at [Glazier] Glaser/Glacierview Comment
  HSC65499  Salix scouleriana R. White 1977-6-20 90 Siskiyou NE area around Devil's Punchbowl 1433 Comment
  JEPS38506  Salix scouleriana Geo. D. Butler 1908-8-11 148 Siskiyou Shackleford Creek 1066 Comment
  SD879  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 444 Siskiyou East side of Mount Eddy, about 17 km northwest of Shasta City, above stream in Wagon Creek Canyon, about 1 km up from Metcalf Ranch House 1170 Comment
  UC922323  Salix sitchensis Annie M. Alexander and Louise Kellogg 1949-7-21 5829 Siskiyou Paradise Lake Marble Mts., Paradise Lake 1920 Comment
  HSC65137  Salsola tragus J. P. Smith, Steve Selva 1970-7-17 4418 Siskiyou Along Klamath River. Comment
  CAS-BOT-BC236478  Sambucus racemosa subsp. racemosa Geo. D. Butler 1908-8-4 995 Siskiyou Head of Shackleford Creek 1828 Comment
  CDA26417  Sanguisorba annua G. D. Barbe, T. C. Fuller 1972-6-14 946 Siskiyou North of Weed, ca. 1 mile north of US 97 on Hoy Road. 0 Comment
  SEINET11912599  Sanguisorba annua Unknown 1986-1 60333 Siskiyou NE of Weed, between Herd Mt. & Miller Mt., Miller Mt. Road (Rd 45N22) at intersection with roads 1018 Comment
  RSA78810  Sanicula graveolens P. A. Munz 1952-7-2 17884 Siskiyou Road to Baldy Mt., northwest of Happy Camp, Siskiyou Mts. 1494 Comment
  HSC76720  Sanicula graveolens K. T. Stillman 1976-8-7 389 Siskiyou Marble Mountain Wilderness Area, trail from Black Mtn. camp to Jump off Comment
  SEINET13945185 Image available Sanicula graveolens L. Constance 1950-1 3360 Siskiyou East slope of Little Grayback Peak near summit, alt. 5700 ft 1737 Comment
  SEINET3240204  Santalaceae R. L. Mathiasen 2007-1 2007 -33 Siskiyou Ca. 9.6 km from Stewart Hot Springs on forest road 17 1820 Comment
  JEPS24028  Saxifraga ferruginea Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6891 Siskiyou Poker Flat; Siskiyou Mountains, Poker Flat 1536 Comment
  RSA238314  Saxifraga odontoloma Frederick W. Oettinger 1968-8-24 629 Siskiyou Bear Upper Meadow, Toms Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  UC1409257  Saxifraga odontoloma Frederick W. Oettinger 1968-8-24 629 Siskiyou High Lake Basins in vicinity of English Peak (Tom's Lake, western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, Tom's Lak 1950 Comment
  CDA25443  Saxifraga oregana T. C. Fuller 1966-5-26 14716 Siskiyou Between road and railroad tracks, north end of Mt. Shasta City. 0 Comment
  HSC19459  Saxifragopsis fragarioides J. O. Sawyer 1969-7-24 1458 Siskiyou NW facing slope SW of Sugar lake. 1829 Comment
  JEPS13970  Saxifragopsis fragarioides W. L. Jepson 1907-7-5 2833 Siskiyou Marble Mt. Comment
  UC722724  Saxifragopsis fragarioides C. L. Hitchcock, J. S. Martin 1939-7-9 5316 a Siskiyou between King's Castle and Black Mountain 1828 Comment
  CAS-BOT-BC445876  Saxifragopsis fragarioides M. B. Dunkle 1945-7-22 9242 Siskiyou Wooley Pocket, Klamath Forest 2133 Comment
  UCD126473  Schedonorus pratensis Geo. D. Butler 1909-6-28 851 Siskiyou Almy Creek, near Yreka. Comment
  CAS-BOT-BC111413  Schoenoplectus acutus var. occidentalis Doris K. Kildale 1929-7-21 8742 Siskiyou Elk Lisk, South Fork of Indian Creek 1219 Comment
  JEPS63978  Schoenoplectus tabernaemontani Geo. D. Butler 1908-8-29 137 Siskiyou Wright and Fletcher's pasture near Oro Fino; near Oro Fino Comment
  CAS-BOT-BC110853  Scirpus congdonii Alice Eastwood 1921-7-24 10765 Siskiyou Castle Lake Comment
  CHSC78931  Scirpus congdonii Rhonda Posey 2000-8-17 Siskiyou Mud Creek Meadows; along Road 42N13 (Pilgrim Creek Road) about 3.5 mi northeast of the McCloud Ranger District office in McCloud. 1097 Comment
  JEPS117469  Sclerochloa dura Lowell Ahart, John Dittes 2010-7-30 16943 Siskiyou In the road tracks to the west edge of the Shasta River, about 30 yards south 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 Gr 716 Comment
  CHSC795  Scutellaria antirrhinoides 1936-12-7 Siskiyou Castle Lake. 1981 Comment
  HSC63623  Scutellaria antirrhinoides J. P. Smith, Steve Selva 1970-7-27 4509 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  HSC68478  Scutellaria antirrhinoides Maralyn A. Renner 1980-6-8 812 Siskiyou Slopes N of Moffett Creek 945 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
  RSA17980  Scutellaria antirrhinoides Carl B. Wolf 1927-8-26 996 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  UC1713587  Scutellaria antirrhinoides Dr. E. B. Copeland 1903-7-2 3530 Siskiyou Klamathon; Pacific Coast, Klamathon Comment
  POM70364  Scutellaria antirrhinoides Geo. D. Butler 1910-7-9 1690 Siskiyou Shackleford Creek. 1220 Comment
  UC1023836  Scutellaria antirrhinoides Milo S. Baker and Douglas Barbe 1955-7-1 80 Siskiyou just behind Callahan (to the north); Klamath Mountains 975 Comment
  JEPS100525  Sedum divergens Dean W. Taylor 1996-7-25 15869 Siskiyou Scott Mtns.; Crater Lake, in cirque above upper lake (about 10 air miles west of Weed); Klamath National Forest 2331 Comment
  UCR278356  Sedum kiersteadiae Peter F. Zika 2013-6-28 26289 Siskiyou Klamath Range, Route 26, 0.6 air km west-northwest of Gumboot Lake 1960 Comment
  RSA0078509  Sedum kiersteadiae E. B. Copeland 1903-8-18 3781 Siskiyou Mt. Eddy. 2134 Comment
  CAS-BOT-BC59186  Sedum lanceolatum John Thomas Howell 1966-7-25 15170 A Siskiyou Black Mt., Marble Mts. Comment
  RSA238009  Sedum laxum subsp. heckneri Frederick W. Oettinger 1969-7-11 988 Siskiyou Near summit of Little Medicine Mountain (north of Hancock Lake). Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  NY388002  Sedum obtusatum subsp. boreale R. T. Clausen 1940-7-26 4952 Siskiyou Pacific slope. Province Middle Cascade. Sacramento river. E side of Mud Creek Canyon, Mt. Shasta. 1706.9 Comment
  CHSC96024  Sedum obtusatum subsp. obtusatum L. P. Janeway 2006-7-4 8798 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  HSC26103  Sedum obtusatum subsp. retusum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  HSC59371  Sedum obtusatum subsp. retusum Thomas W. Nelson, J. P. Smith 1979-6-15 4809 Siskiyou Along road to Carmen Lake, 1 mi. from junction with State Rte. 3 1585 Comment
  SEINET12217803  Sedum oreganum Unknown 1986-1 60433 Siskiyou N of Condrey Mt. and east of Scraggy Mt., Alex Crk. near intersection with unknown forest 1524 Comment
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Apr 14 2020
  HSC42918  Sedum radiatum Ken Stillman 1976-8-31 459 Siskiyou E and N sides of Williams Point 366 Comment
  UC1190125  Sedum radiatum Ira L. Wiggins 1955-7-22 13458 Siskiyou ridge w China Creek (s side of S Fork Salmon River); , w of China Creek 944 Comment
  RSA0036680  Sedum radiatum subsp. depauperatum Peter F. Zika 2011-7-19 25645 Siskiyou Forest Service Road 1055, 5.9 road miles S of and above junction with Road 1050, 1 air mile SSE of Windy Peak, Siskiyou Mountains, Klamath Range (KR). 1340 Comment
  CAS-BOT-BC63901  Sedum spathulifolium Alice Eastwood 1923-5-20 11859 Siskiyou Shasta Springs Comment
  RSA0074771  Sedum spathulifolium E. K. Balls 1949-7-10 13966 Siskiyou Road from Sawyers Bar to Cecilville. 732 Comment
  UC1410117  Sedum spathulifolium H. M. Wheeler Siskiyou Highway 96, 26 mi n Orleans (bridge at junction with Dillon Creek Road, steep exposed rocky wall); n of Orleans Comment
  HSC99739  Selaginella scopulorum J. O. Sawyer 1969-7-25 1541 Siskiyou SW facing upper slope above Sugar Lake 2210 Comment
  CAS-BOT-BC69762  Selaginella wallacei Louis C. Wheeler 1934-8-15 3158 Siskiyou East Fork Horse Creek, Siskiyou Mtns., Mt. Diablo Mer. 1524 Comment
  JEPS37593  Senecio hydrophiloides Geo. D. Butler 1909-6-22 956 Siskiyou Goosenest Mt. Comment
  JEPS82277  Senecio hydrophilus Roger Raiche 1983-8-14 30626 Siskiyou between road of North Mt. Shasta Blvd (900 block) and Shasta City railroad tracks 975 Comment
  JEPS30370  Senecio integerrimus var. exaltatus Peter H. Raven 1962-5-30 17899 Siskiyou 12.3 mi s Macdoel (U.S. Highway 97) Comment
  JEPS37654  Senecio integerrimus var. exaltatus Geo. D. Butler 1908-4-28 701 Siskiyou near Fort Jones; McAdams Creek Comment
  SBBG25851  Senecio triangularis D. Myrick 1966-8-10 1520 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  UC1409235  Senecio triangularis Frederick W. Oettinger 1968-8-1 343 Siskiyou s Hancock Lake (high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area, western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2042 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
  HSC61998  Senecio triangularis Ruby Van Deventer 1939-7-19 Siskiyou Poker Flat 1585 Comment
  RSA473095  Senecio triangularis M. B. Dunkle 1944-7-18 9143 Siskiyou Sterling Mountains, Siskiyou National Forest. 1890 Comment
  HSC29396  Sibbaldia procumbens Frederick W. Oettinger 1968-8-23 607 Siskiyou Salmon Mountains: the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness area; near Diamond Lake 2073 Comment
  POM250746  Sibbaldia procumbens W. Bridge Cooke 1938-8-18 11480 Siskiyou Mt. Shasta. 2470 Comment
  RSA87483  Sidalcea malviflora subsp. asprella C. L. Hitchcock 1952-6-30 19641 Siskiyou 4 miles north of Happy Camp on road to Waldo. Comment
  HSC46145  Sidalcea malviflora subsp. nana J. P. Smith, Steve Selva 1970-7-15 4356 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  HSC62278  Sidalcea malviflora subsp. nana Ruby Van Deventer 1957-7-8 Siskiyou Youngs Valley Comment
  CAS-BOT-BC205786  Sidalcea oregana Geo. D. Butler 1910-5-26 1408 Siskiyou Yreka Comment
  CDA36496  Sidalcea oregana J. R. Grisham 1961-6-14 Siskiyou Yreka 0 Comment
  HSC32024  Sidalcea oregana A. M. Montalvo, J. D. Ackerman 1974-7-2 351 Siskiyou Along road to Morgan Meadows, E slope of Mt. Eddy, W of Mt. Shasta City Comment
  JEPS67263  Sidalcea oregana subsp. spicata Geo. D. Butler 1908-7-23 62 Siskiyou Eastlick's Ranch Oro Fino, Eastlick's Ranch Comment
  UC220521  Sidalcea oregana subsp. spicata H. E. Brown June 1-10, 1897 337 Siskiyou near Sisson; near Sisson 1083 Comment
  HSC46142  Sidalcea oregana subsp. spicata J. P. Smith, Steve Selva 1970-8-7 4541 Siskiyou Jct. I-5 and Stewart Creek Rd. Comment
  POM84656  Sidalcea oregana subsp. spicata Geo. D. Butler 1910-7-17 1728 Siskiyou No location given Comment
  CAS-BOT-BC178693  Silene Volney Rattan 1903-6-13 s.n. Siskiyou Klamath Comment
  JEPS93905  Silene bernardina Vernon H. Oswald and Lowell Ahart 1998-8-3 9428 Siskiyou w of Kangaroo Lake (near the Pacific Crest Trail in the Scott Mountains); Scott Mountains 1981 Comment
  RSA120891  Silene campanulata subsp. greenei Milo S. Baker 1957-6-16 13157 Siskiyou Trip to Scott Mt. after turn off near Callahan. Comment
  HSC4208  Silene douglasii R. C. Wunner 1965-6-25 273 Siskiyou Lava Bed NM, Indian Well Cave area 1433 Comment
  RSA211453  Silene douglasii William J. Ferlatte 1967-8-21 1069 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake. 2287 Comment
  CAS-BOT-BC175053  Silene grayi R. H. Bohmannson 1926-7-1 s.n. Siskiyou Mt. Shasta Comment
  CAS-BOT-BC388957  Silene grayi John Thomas Howell 1939-8-8 15168 A Siskiyou Black Mt., Marble Mts. Comment
  UC917307  Silene grayi R. Tofsrud and J. M. Tucker 1948-8-2 1764 Siskiyou Panther Meadows , Panther Meadows (s slope Mt. Shasta) 2407 Comment
  CAS-BOT-BC389429  Silene lemmonii Alice Eastwood 1923-5-18 11850 Siskiyou Shasta Springs Comment
  CAS-BOT-BC175054  Silene suksdorfii Wm. Bridge Cooke 1938-9-8 11648 Siskiyou North side of Red Butte Comment
  HSC44727  Silene vulgaris J. O. Sawyer, E. Cope 1977-6-18 2902 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  JEPS53887  Sisymbrium altissimum W. L. Kleaver 1919-6-10 2 Siskiyou Yreka Comment
  CAS-BOT-BC75157  Sisymbrium altissimum Doris K. Kildale 1929-6-25 8372 Siskiyou 6 miles north of Klamath River on Pacific Highway. Comment
  HSC536  Sisyrinchium bellum William J. Ferlatte 1966-6-22 101 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  RSA211516  Sisyrinchium bellum William J. Ferlatte 1966-6-22 101 Siskiyou Along the South Fork of the Salmon River between the campgrond and Carters; Trinity Alps. 1524 Comment
  CHSC116262  Sisyrinchium elmeri Barbara L. Wilson; Nick Otting 2014-6-16 18103 Siskiyou Spur off Highway 26, uphill of Gumboot Lake. 1819 Comment
  SEINET10469797  Sisyrinchium idahoense Mary Merello 1993-6-22 Merello 699 Siskiyou Shasta National Forest. Along Forest Road 26 to Lake Siskiyou outside of Mt. Shasta City. Mixed conifer forest. Steep, rocky serpentine slopes along Sacramento River. 1270 Comment
  JEPS941  Sium suave Willis L. Jepson July, 1894 13241 Siskiyou n of Sisson (Mount Shasta, by the stage-road); Mount Shasta Comment
  CDA39211  Smilax californica County Ag Comm. Office 1957-10-17 s.n. Siskiyou M. Williams property. 0 Comment
  UC1045313  Smilax californica W. Bridge Cooke 1940-6-20 15158 Siskiyou along Pacific Highway (along river bank); Klamath River Gorge 609 Comment
  CAS-BOT-BC157047  Solanum umbelliferum W. B. Cooke 1940-6-20 15180 Siskiyou Along the Pacific Highway in the Klamath Gorge Comment
  RSA237967  Solanum umbelliferum Frederick W. Oettinger 1969-8-12 1347 Siskiyou Along the trial above 'Willow Springs' 1677 Comment
  RSA68903  Solanum umbelliferum A. E. Culbertson 1943-7-24 54 Siskiyou Castle Lake, 5434', in a N facing cirque with an abrupt 1000' backwall. 14 miles SW of Mt. Shasta on N side of a 6000' eastern spur of Trinity Mtns. 2000' above Sacramento River within 10 air miles of its headwaters to the W. Comment
  HSC2402  Solidago 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-BC339854  Solidago multiradiata K. T. Stillman 1976-7-21 273 Siskiyou Marble Mountain Wilderness Area 1981 Comment
  RSA473716  Solidago multiradiata M. B. Dunkle 1945-1 9354 Siskiyou Klamath National Forest, Marble Mountains. 1982 Comment
  CDA7674  Sonchus arvensis subsp. uliginosus T. C. Fuller 1963-8-27 11162 Siskiyou South side of Dorris-Tulelake Road where the roadbed forms the north shore of Lower Klamath Lake, Lower Klamath Lake Wildlife Refuge, ca. 12 miles west of Hatfield. 0 Comment
  HSC61979  Sorbus californica Al Hobart 1961-7-16 Siskiyou Preston Peak 1982 Comment
  CAS-BOT-BC158926  Sorbus scopulina Alice Eastwood 1921-7-24 10761 Siskiyou Castle Lake Comment
  HSC19121  Spiraea douglasii J. O. Sawyer 1969-7-9 1066 Siskiyou NE shore of Little Duck Lake 2043 Comment
  HSC29386  Spiraea douglasii Frederick W. Oettinger, R. F. Thorne 1969-8-5 1213 Siskiyou Marble Mtn. Wilderness Area, Young's Cabin on English Lake trail towards Abbotts 1463 Comment
  RSA68956  Spiraea douglasii A. E. Culbertson 1943-8-8 2 Siskiyou Castle Lake, 5434', in a N facing cirque with an abrupt 1000' backwall. 14 miles SW of Mt. Shasta on N side of a 6600' eastern spur of Trinity Mtns. 2000' above Sacramento River within 10 air miles of its headwaters to the W. Comment
  HSC71  Spiraea splendens var. splendens William J. Ferlatte 1967-7-25 731 Siskiyou Caribou Basin 1982 Comment
  HSC81747  Spiraea splendens var. splendens Thomas W. Nelson, Jane P. Nelson 1980-7-20 6187 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  HSC29134  Spiranthes romanzoffiana Frederick W. Oettinger 1968-8-12 497 Siskiyou Salmon Mountains, Tobacco Lake Trail 1890 Comment
  JEPS95522  Spiranthes romanzoffiana Vernon H. Oswald 1994-8-10 6461 Siskiyou T40N R2E SW1/4 NW1/4 Sec. 18, 4460 ft, Yellow Pine Forest. FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi W of Harris Spring Rd. (FS15), ca. 4 mi (air) NNE of Bartle 1359 Comment
  SBBG126114  Stachys pilosa L. Ahart, J. Dittes 2010-7-30 16948 Siskiyou S edge of Shasta River, ca. 80 yards E 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
  HSC61988  Stenanthium occidentale Ruby Van Deventer 25 Jul [year missing] Siskiyou Rattlesnake Meadow 1524 Comment
  CAS-BOT-BC375647  Stephanomeria lactucina L. S. Smith 1913-7-27 494 Siskiyou McCloud Comment
  RSA12667  Stephanomeria lactucina C. B. Wolf 1934-7-6 6027 Siskiyou West side of Mt Shasta, along Snowline road, 3.3 miles from Mt. Shasta City 1524 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
  CDA8847  Stephanomeria lactucina G. C. Fleischman 1946-7-26 Siskiyou Northern California; Mr. Shasta, Dunsmuir area. 0 Comment
  HSC290  Stephanomeria lactucina William J. Ferlatte 1967-8-22 1081 Siskiyou NW side of Caribou Mtn. 1829 Comment
  UC166022  Stephanomeria virgata subsp. pleurocarpa Geo. D. Butler 1910-8-7 1814 Siskiyou Humbug Mountain 1066 Comment
  LA206433  Stipa occidentalis var. californica J. R. Swallen; 1939-7-21 13736 Siskiyou Mount Shasta, above Wagon Camp 1828 Comment
  JEPS19691  Streptanthus barbatus Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5966 Siskiyou at river's source in the region just s Mount Eddy (along very poor mt road to Gumboot Lake); Canyon of the South Fork of the Sacramento River 1371 Comment
  HSC589  Streptanthus tortuosus William J. Ferlatte 1967-8-23 1084 Siskiyou Head of Kidd Creek, E side of Black Mtn. 2378 Comment
  UC198723  Streptanthus tortuosus var. orbiculatus Annie M. Alexander and Louise Kellogg 1911-6-27 194 Siskiyou Wildcat Pk. Comment
  UC618767  Streptanthus tortuosus var. orbiculatus W. Bridge Cooke 1938-8-18 11497 Siskiyou Horse Camp Slopes Mt. Shasta 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
  CHSC95132  Streptopus amplexifolius var. americanus L. P. Janeway 2006-7-2 8747 Siskiyou Klamath Ranges. Salmon Mountains; un-named creek at the sharp bend in the Music Creek Trailhead Road, 0.6 km south of Music Creek. North-facing slope above the creek. 1762 Comment
  CDA35631  Suaeda calceoliformis J. R. Keck Jr., J. Massey 1980-8-2 PDR# 330196 Siskiyou Lower Klamath Refuge; near Dorris. 0 Comment
  HSC65266  Suksdorfia ranunculifolia Rich White 1977-7-7 114 Siskiyou NE shore of Devil's Punchbowl 1433 Comment
  HSC68027  Swertia albicaulis var. nitida J. P. Smith, Steve Selva 1970-7-15 4359 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  CAS-BOT-BC269611  Symphoricarpos albus var. laevigatus William A. Dayton 1913-9-14 586 Siskiyou Shasta National Forest. E. Fk of Scott River Range along Rail Creek 1341 Comment
  HSC27010  Symphoricarpos albus var. laevigatus J. P. Smith, J. O. Sawyer 1972-9-13 5778 Siskiyou 0.5 mi. W of Cook and Green Pass on rd. to Lily Pad Lake. Comment
  JEPS12878  Symphoricarpos albus var. laevigatus Geo. D. Butler 1908-7-3 92 Siskiyou near Yreka (Butler's Ranch) Comment
  RSA238534  Symphoricarpos hesperius Frederick W. Oettinger 1968-8-6 542 Siskiyou East side of Little Medicine Mt. due N of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC1034064  Symphoricarpos mollis var. acutus unknown 1941-9-5 16272 Siskiyou MacBride Springs area; Mt. Shasta Comment
  RSA507782  Symphyotrichum J. C. Semple, S. Heard 1986-8-14 8450 Siskiyou Siskiyou A-10 on Mt. Shasta 2256 Comment
  HSC40421  Symphyotrichum ascendens J. O. Sawyer 1973-7-16 2539 Siskiyou Wooley Creek at junction with Bridge Creek. Comment
  UC165280  Symphyotrichum bracteolatum Geo. D. Butler 1910-8-13 1828 Siskiyou Oro Fino Comment
  CAS-BOT-BC98955  Symphyotrichum foliaceum var. parryi W. R. Dudley 1901-8-18 s.n. Siskiyou Jackson's Lake, Salmon Mts. Comment
  HSC29235  Symphyotrichum foliaceum var. parryi Frederick W. Oettinger 1969-8-16 1407 Siskiyou Marble Mtn. Wilderness Area, central areas of Wire Grass Meadow below English Lake 1677 Comment
  JEPS24798  Symphyotrichum spathulatum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6807 Siskiyou near outlet of Castle Lake at its ne end Castle Lake, Sacramento River (headwaters of Sacramento River) 1661 Comment
  JEPS40844  Symphyotrichum spathulatum Geo. D. Butler 1908-8-10 294 Siskiyou Bottoms Camp, Shackelford Creek Shackelford Creek 1371 Comment
  UC1282018  Symphyotrichum spathulatum Louise Kellogg Aug 8 1953-Aug 9 1953 117 Siskiyou Scott Mountain Public Campground Scott Mountains, Klamath National Forest 1630 Comment
  POM359939  Taeniatherum caput-medusae E. E. Stanford 1930-6-16 1602 Siskiyou Roadsides and open fields near Hornbrook Comment
  UC163894  Tanacetum vulgare Geo. D. Butler 1910-8-13 1826 Siskiyou Oro Fino Comment
  HSC31985  Taxus brevifolia Steve Selva, Roger Jensen 1974-8-22 37 Siskiyou Trail from Doe Flat campground to Buck Lake Comment
  NY17404  Taxus brevifolia H. E. Brown 1897-6-1 323 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  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-BC447414  Tellima grandiflora Doris K. Kildale 1928-7-4 5473 Siskiyou 3 miles west of Summit on Sawyers Bar - Etna Mills road. Comment
  HSC6276  Tetradymia canescens R. C. Wunner 1965-7-9 352 Siskiyou California Lava Beds National Monument; 0.4 mi. along Hardin Butte Trail 1341 Comment
  UCD96765  Thalictrum fendleri var. polycarpum John M. Tucker 1963-7-7 3728 Siskiyou Marble Mountain Wilderness Area, vicinity of Paradise Lake at east base of King's Castle on the east side. 1981 Comment
  CAS-BOT-BC399879  Thalictrum polycarpum Gilbert Muth 1966-7-17 408 Siskiyou Marble Mts. Comment
  POM228972  Thelypodium brachycarpum L. C. Wheeler 1935-6-30 3637 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  CAS-BOT-BC88081  Thelypodium flexuosum Elmer I. Applegate 1935-6-2 9286 A Siskiyou Frenner's ranch, near north Boundary of Lava Beds National Monument. Comment
  CAS-BOT-BC77713  Thelypteris nevadensis Donald L. Branscomb 1958-7-1 s.n. Siskiyou Castle Lake 1706 Comment
  CDA15532  Thermopsis robusta G. F. Hrusa, T. D. Wilfred 1998-7-5 14700 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 8.8. Sheet 2 of 2 Comment
  CHSC91613  Thlaspi montanum var. montanum G. Douglas Barbe; T. C. Fuller, J. T. Howell 1980-4-29 2653 Siskiyou Klamath Ranges. Schoolhouse Hill, summit of Gazelle-Callahan Road, 7 miles (11.3 km) east of Callahan. 1173 Comment
  UC137319  Thysanocarpus curvipes A. A. Heller 1905-6-1 7931 Siskiyou between Dunsmuir and Upper Soda Spring Comment
  RSA0049970  Thysanocarpus radians A. A. Heller 1929-5-14 14856 Siskiyou In a field along U.S. Highway #99, 2 miles south of Yreka. Comment
  POM169142  Tofieldia glutinosa subsp. occidentalis E. B. Copeland 1903-9-7 3864 Siskiyou Mt. Eddy 2439 Comment
  UC3963  Tofieldia occidentalis subsp. occidentalis unknown 1431 Siskiyou 1066 Comment
  HSC69543  Tolmiea diplomenziesii Maralyn A. Renner 1980-8-6 2242 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  CAS-BOT-BC169257  Toxicodendron diversilobum L. R. Abrams 1922-8-6 9900 Siskiyou Klamath River 6 mi. below Hornbrook C. Comment
  UC642523  Tragopogon dubius W. B. Cooke 1939-6-30 13553 Siskiyou along the lower part of the MacBride Springs Road Mount Shasta 1219 Comment
  UC160925  Trautvetteria caroliniensis var. occidentalis Harley P. Chandler June, 1901 1601 Siskiyou near Marble Mountain (North Coast Ranges); North Coast Ranges 1828 Comment
  OBI55487  Trichostema simulatum David J. Keil, Kathleen Keil 1992-7-21 23521 Siskiyou Klamath Natl Forest SE of Callahan on hwy 3, 2.1 I NW of Scott Mtn summit Comment
  CHSC35548  Trifolium dubium James P. Smith 1973-5-5 6544 Siskiyou Scott Bar along the Scott River. Comment
  POM229944  Trifolium dubium Louis C. Wheeler 1935-6-27 3617 Siskiyou Greenview, Scott Valley. 884 Comment
  CHSC113789  Trifolium fragiferum R. E. Brainerd 2010-8-6 1733 Siskiyou Weed. Alley west of Shasta Avenue and S.Davis Avenue. UTM Zone 10 552177E 4586525N. 1091 Comment
  CAS-BOT-BC219038  Trifolium howellii Annie M. Alexander; Louise Kellogg 1949-7-30 5904 Siskiyou Sky High Valley, Marble Mountains, edge of stream 1767 Comment
  UCD111257  Trifolium longipes AHM 1953-7-29 KNF 15 Siskiyou Trinity county line. Steavale Canyon. 1524 Comment
  JEPS125882  Trifolium longipes subsp. elmeri Dean W. Taylor 1996-7-26 15841 Siskiyou Klamath National Forest; Scott Mountains, Crater Lake, in cirque above upper lake, about 10 air miles W of Weed. Comment
  HSC36936  Trifolium macrocephalum J. P. Smith 1974-5-27 7602 Siskiyou Along FS Rd. 47N03 1524 Comment
  JEPS65935  Trifolium macrocephalum J. W. Kisling 1910-4-20 Siskiyou Edgewood Comment
  UC164238  Trifolium microcephalum Geo. D. Butler 1908-6-28 380 Siskiyou upper end Quartz Valley Comment
  SJSU6543  Trifolium productum R. W. Trivelpiece 1973-6-28 157 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  UC1409227  Trifolium repens Frederick W. Oettinger 1969-8-9 1311 Siskiyou near Young's Cabin (above trail in region of Upper Abbott's Cabin); Salmon Mtns 1828 Comment
  JEPS75658  Trifolium wormskioldii Geo. D. Butler 1909-6-26 915 Siskiyou McNutty's Field near Yreka Comment
  UC618760  Trifolium wormskioldii William Bridge Cooke 1938-6-29 11392 Siskiyou Bear Springs Mount Shasta 1524 Comment
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Mar 31 2006
  UC164026  Trillium albidum Geo. D. Butler 1910-4-3 1168 Siskiyou Humbug Creek Comment
  RSA234820  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-10 962 Siskiyou Along inlet brook to Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  RSA234827  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1967-6-27 124 Siskiyou Englemann Spruce Forest off Music Creek logging road. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1732 Comment
  UCD82887  Tripleurospermum Steve Orloff 2009-10-1 s. n. Siskiyou Siskiyou County. Comment
  UCD78067  Trisetum canescens Robert E. Preston 2001-8-26 1756 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1828 Comment
  UCD93898  Trisetum cernuum A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3450 Siskiyou South of Happy Camp. Swillup Creek at point of junction with Klamath River. Comment
  RSA233651  Trisetum spicatum R. F. Thorne, Frederick W. Oettinger 1969-8-10 38997 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  UCD93739  Trisetum spicatum A. H. Murphy 1959-7-21 59 E Siskiyou Shasta National Forest. Deadfall Lake area. 2225 Comment
  UC535957  Trisetum wolfii Elmer I. Applegate 1923-8-17 3835 Siskiyou Medicine Lake Comment
  HSC76883  Triteleia crocea K. T. Stillman 1976-6-27 143 Siskiyou Marble Mtn. Wilderness Area, near Bear Lake Comment
  RSA378084  Triteleia crocea M. B. Dunkle 1944-7-18 9139 Siskiyou Siskiyou National Forest Comment
  CAS-BOT-BC133487  Triteleia crocea R. C. Barneby 1954-5-16 11509 Siskiyou Klamath R. canyon, 10 1/2 mi. below Klamath River P.O. 1550 Comment
  UC765405  Triteleia crocea var. modesta W. Bridge Cooke 1940-6-6 15076 Siskiyou in moist places along Castle Lake road Comment
  CAS-BOT-BC524312  Triteleia ixioides subsp. anilina R. F. Hoover 1940-6-6 15083 Siskiyou Along Castle Lake road 1219 Comment
  LA21975  Triteleia ixioides subsp. anilina Mary V. Hood; 1940-6-6 15083 Siskiyou Klamath Mountains, Castle Lake Road 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
  HSC69713  Tsuga mertensiana Maralyn A. Renner 1980-7-15 1772 Siskiyou English Lake inlet 1780 Comment
  UC572793  Tsuga mertensiana W. Bridge Cooke 1937-8-17 9295 Siskiyou lava slopes Mt. Shasta 2590 Comment
  SD88529  Turritis glabra Darley F. Howe 1972-7-6 Siskiyou 1.3 miles south of Oregon State Line on road to Happy Camp 1645 Comment
  CAS-BOT-BC91278  Umbellularia californica Doris K. Kildale 1928-4-2 4408 Siskiyou Klamath River at Somes Bar. Comment
  CAS-BOT-BC199198  Vaccinium cespitosum Wm. Bridge Cooke 1940-7-5 15266 Siskiyou At Wagon Camp Comment
  CAS-BOT-BC199200  Vaccinium cespitosum Harley P. Chandler 1901-6-1 1617 Siskiyou Near Marble Mountain 2133 Comment
  CHSC608  Vaccinium cespitosum M. Yoder 1941-6-28 Siskiyou Castle Lake. 2133 Comment
  HSC96882  Vaccinium cespitosum Gordon Leppig 1998-7-10 912 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 671 Comment
  UC618889  Vaccinium cespitosum unknown 1938-7-21 11302 Siskiyou Panther Creek Mount Shasta Comment
  CAS-BOT-BC199230  Vaccinium membranaceum Louis C. Wheeler 1934-8-16 3162 Siskiyou Klamath National Forest. Johnson Dairy 1645 Comment
  CAS-BOT-BC199232  Vaccinium membranaceum Doris K. Kildale 1928-8-19 6548 Siskiyou 1/4 mile south of Hancock Lake, on trail to Marble Mt Comment
  RSA238867  Vaccinium membranaceum Frederick W. Oettinger 1968-8-1 344 Siskiyou SW side of Little Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  CAS-BOT-BC199480  Vaccinium parvifolium Elmer I. Applegate 1930-8-11 6602 Siskiyou Cook and Green Creek, Siskiyou Mountains, Applegate River Watershed Comment
  CAS-BOT-BC199482  Vaccinium scoparium Doris K. Kildale 1928-8-19 6552 Siskiyou Hancock Lake on trail to Marble Mt. 2133 Comment
  CDA6694  Valerianella locusta G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2585 Siskiyou Between Old Highway 99 and railroad at Truttman Lane, 3.2 km south of Grenada. Comment