Search Results — 2000 specimen records retrieved (1338 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC31519  Abies X shastensis Steve Selva, Roger Jensen 1974-8-26 57 Siskiyou E side of Little Duck Lake Comment
  CAS-BOT-BC73505  Abies concolor Gilbert Muth 1965-7-29 313 Siskiyou Ridge near 4-corners. Comment
  HSC29673  Abies concolor Frederick W. Oettinger 1968-9-10 809 Siskiyou Marble Mtn. Wilderness Area, NE of English Lake outlet 1921 Comment
  HSC46093  Abies concolor J. P. Smith, Steve Selva 1970-7-15 4364 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  RSA624394  Abies concolor L. C. Wheeler 1952-9-17 6938 Siskiyou Unspecified. Comment
  UCR95628  Abies concolor L. C. Wheeler 1963-9-3 8338 Siskiyou Siskiyou Mtns. Cyclone Gap chrome mine Comment
  RSA293135  Abies lasiocarpa J. O. Sawyer 1968-7-10 499 Siskiyou On trail to South Sugar Lake. 1981 Comment
  HSC81890  Abies lasiocarpa var. lasiocarpa D. V. Hemphill 1986-7-18 Siskiyou S of Mavis Lake Comment
  UC1409509  Abies procera Frederick W. Oettinger 1968-9-10 811 Siskiyou slope n peak near English Lake (w Siskiyou Co.); Salmon Mountains 2103 Comment
  UC718152  Abies procera Carl B. Wolf 1934-7-5 5969 Siskiyou on road to Horse Creek 2.8 mi from Dry Lake Lookout; Siskiyou Mts. 2133 Comment
  HSC68464  Acer circinatum Maralyn A. Renner 1980-7-5 1532 Siskiyou Doe Flat 1220 Comment
  UC618774  Acer glabrum var. glabrum W. Bridge Cooke 1938-7-22 11342 Siskiyou Sisson Southern Trail Mount Shasta, Sisson Southern Trail 1981 Comment
  SEINET12765809  Acer glabrum var. torreyi J. P. Smith 1970-6-16 4064 Siskiyou 8 miles west of Etna on road to Sawyers Bar.; 0 1372 Comment
  CAS-BOT-BC332787  Acer macrophyllum Alice Eastwood 1912-7-23 1343 Siskiyou Cantara Comment
  CAS-BOT-BC332795  Acer macrophyllum Geo. D. Butler 1910-5-30 1434 Siskiyou Humbug Creek Comment
  SEINET12766399  Acer macrophyllum Alv Dan Youngberg 1964-7-20 79 Siskiyou Growing in canyon bottom of East Fork of Indian Creek.; 0 610 Comment
  CAS-BOT-BC18873  Achillea millefolium Elmer I. Applegate 1923-8-20 3909 Siskiyou Medicine Lake Comment
  HSC77412  Achillea millefolium L. P. Janeway 1983-9-11 670 Siskiyou Poker Flat 1524 Comment
  CAS-BOT-BC30430  Achillea millefolium W. R. Dudley 1899-8-26 s.n. Siskiyou Eddy Mountain side Comment
  HSC22298  Achillea millefolium J. O. Sawyer 1969-6-11 823 Siskiyou Lower slope next to the C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  RSA416235  Achillea millefolium J. P. Smith 1973-5-5 6527 Siskiyou Scott Bar along the Scott River. Comment
  RSA78324  Achlys triphylla P. A. Munz 1952-7-1 17859 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 Comment
  UC1483542  Achlys triphylla subsp. triphylla Maralyn A. Renner 1980-6-26 1184 Siskiyou Klamath National Forest, at n edge of Flint Valley Flint Valley; Klamath National Forest, Flint Valley 1389 Comment
Read comments
Aug 4 2012
  UCD50794  Achnatherum nelsonii subsp. dorei Robert E. Preston 2001-6-23 1621 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn. 1706 Comment
  SEINET7593416 Image available Achnatherum occidentale Frederick W. Oettinger 1968-9-6 744 a Siskiyou Salmon Mountains, High Lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area - Bear Meadow above Tom's Lake 2187 Comment
  CAS-BOT-BC210862  Achnatherum occidentale subsp. californicum Alice Eastwood 1921-7-29 10949 Siskiyou Medicine Lake Comment
  CAS-BOT-BC210875  Achnatherum occidentale subsp. californicum John Thomas Howell 1937-7-22 13258 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  RSA238981  Achnatherum occidentale subsp. californicum Frederick W. Oettinger 1968-9-6 744 -a 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
  CDA5734  Achnatherum thurberianum L. Ahart, J. Dittes 2005-6-9 12018 Siskiyou About 350 yards east of where cattle water in the Shasta River, about 3/5 mil (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. Comment
  CAS-BOT-BC167238  Aconitum columbianum R. C. Wenk 2008-7-25 944 Siskiyou Lily Pad Lake, just west of Kangaroo Lake, south of the Gazelle-Callahan Rd. 1798 Comment
  CAS-BOT-BC391512  Aconitum columbianum subsp. columbianum Alice Eastwood 1921-7-24 10728 Siskiyou Castle Lake Comment
  HSC61850  Aconitum columbianum subsp. columbianum Ruby Van Deventer 1938-7-21 Siskiyou Poker Flat 1768 Comment
  RSA211130  Aconitum columbianum var. columbianum William J. Ferlatte 1966-8-3 291 Siskiyou Josephine Lake basin. 1677 Comment
  CAS-BOT-BC412918  Aconogonon davisiae Gilbert Muth 1966-7-14 392 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mts. 1828 Comment
  HSC30406  Aconogonon phytolaccifolium Frederick W. Oettinger 1968-8-7 437 Siskiyou Marble Mtn. Wilderness Area, E side of Hancock Lake 1890 Comment
  HSC26111  Actaea rubra J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5678 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  HSC2405  Adenocaulon bicolor William J. Ferlatte 1966-8-18 405 Siskiyou 3 mi. S of Big Flat 1585 Comment
  UC1483405  Adiantum aleuticum Maralyn A. Renner 1980-6-24 1005 Siskiyou tributary stream to East Fork Seiad Creek (where crossed by FS Rd 48N20); Klamath Nat'l Forest, Seiad Valley Quadrangle 1021 Comment
  UC399476  Adiantum aleuticum Geo. D. Butler 1908-8-2 247 Siskiyou Shackleford Creek Comment
  UC1183416  Agastache parvifolia P. Quentin Tomich 1954-6-24 424 Siskiyou Lava Beds National Monument; entrance of lava cave Comment
  HSC29314  Agastache urticifolia Frederick W. Oettinger 1969-7-31 1117 Siskiyou Marble Mtn. Wilderness Area, NNW of English Lake outlet 1806 Comment
  CHSC286  Ageratina occidentalis K. Jaekel 1939-7-14 Siskiyou Mt. Shasta. 1767 Comment
  HSC58866  Ageratina occidentalis Marvin Butler 1971-8-11 302 Siskiyou Near Copper Camp; close to the town of Cave Junction 1403 Comment
  CAS-BOT-BC29444  Ageratina occidentalis Carl B. Wolf 1927-8-26 1081 Siskiyou On the Klamath River, 5 mi below Hamburg Comment
  CAS-BOT-BC15486  Agoseris X dasycarpa George Dexter Butler 1910-6-19 1589 Siskiyou Goosenest Foothills 1524 Comment
  HSC29261  Agoseris aurantiaca Frederick W. Oettinger 1968-8-14 518 Siskiyou Marble Mountain Wilderness area; midway between Tom Taylor Cabin and English Peak Lookout 1997 Comment
  UC1409462  Agoseris aurantiaca var. aurantiaca Frederick W. Oettinger 1968-8-14 518 Siskiyou Midway between Tom Taylor Cabin and English Peak Lookout, the High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1996 Comment
  POM33130  Agoseris glauca var. dasycephala Geo. D. Butler 1910-6-19 1589 Siskiyou Goosenest Foothills. 1524 Comment
  POM208366  Agoseris grandiflora Louis C. Wheeler 1934-6-11 2683 Siskiyou North Hungry Creek , Siskiyou Mtns. (Mt Diablo Mer) 1311 Comment
  UC163884  Agoseris grandiflora var. grandiflora Geo. D. Butler 1908-8-3 301 Siskiyou Shadeford Creek Log Lake, Shadeford Creek Comment
  UC682100  Agoseris grandiflora var. grandiflora G. L. Stebbins Jr. with A. A. Beetle 1942-5-30 3260 Siskiyou 3 mi s Yreka 810 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
  CAS-BOT-BC15335  Agoseris heterophylla Wm. Bridge Cooke 1938-6-24 11069 Siskiyou MacBride Spring 1524 Comment
  CAS-BOT-BC22775  Agoseris heterophylla L. E. Smith 1915-6-1 s.n. Siskiyou Hilt Comment
  CAS-BOT-BC126984  Agrostis exarata J. M. Tucker 1963-8-19 3782 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area. 1950 Comment
  RSA238371  Agrostis exarata Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1204 Siskiyou Trail from English Lake to Abbott's. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UCD52094  Agrostis exarata Beecher Crampton 1956-8-21 3804 Siskiyou slope above Gumboot Lake, headwater of the south fork of the Sacramento River. 1920 Comment
  JEPS83986  Agrostis idahoensis L. R. Heckard with J. Hickman et al. 1986-7-17 6474 Siskiyou ca 5 mi n Seiad Valley (town) (trail up to Kangaroo Peak, s of Lily Pad Lake) 1800 Comment
  RSA602589  Agrostis idahoensis L. C. Wheeler 1935-7-23 3684 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Mud Springs, Middlehell Creek. 2011 Comment
  RSA239064  Agrostis pallens Frederick W. Oettinger 1969-9-2 1587 Siskiyou Bear Meadow near Tom Taylor Cabin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  RSA603997  Agrostis pallens L. C. Wheeler 1934-8-14 3144 Siskiyou White Mountain: East end. 1767 Comment
  UC1265384  Agrostis scabra Frederick W. Oettinger and R. F. Thorne 1969-8-4 1169 Siskiyou vincinity English Peak (outlet to Hancock Lake); Salmon Mountains, Marble Mountain Wilderness Area, Hancock L 1889 Comment
  SEINET3917201  Agrostis stolonifera J. P. Smith, Steve Selva 1970-8-8 4554 Siskiyou Juanita Lake.; 0 Comment
  UCD37093  Agrostis variabilis Beecher Crampton 1956-8-22 3858 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2316 Comment
  HSC66101  Alisma triviale J. P. Smith, Steve Selva 1970-8-8 4546 Siskiyou Juanita Lake Comment
  CAS-BOT-BC462374  Allium amplectens A. M. Vollmer; L. Beane 1951-5-31 33 Siskiyou On scree near highway, Scott Mountain Comment
  CAS-BOT-BC462988  Allium bolanderi L. B. Kildale 1930-6-1 9704 Siskiyou Salmon River at Crapp Creek Comment
  CAS-BOT-BC462996  Allium bolanderi Volney Rattan 1903-1-1 s.n. Siskiyou Klamath Comment
  CAS-BOT-BC469249  Allium falcifolium A. A. Heller 1916-7-22 12491 Siskiyou East side of Mt Eddy Comment
  UC1731157  Allium lemmonii Dean Wm. Taylor with Glenn Clifton 1991-6-12 11901 Siskiyou Adobe Flat, ca. 4 miles N of Timbered Crater 1106 Comment
  JEPS105055  Allium siskiyouense Dean W. Taylor 1996-5-30 15646 Siskiyou base of Sentinel Rocks, Iron Gate Reservoir (about 20 miles east of Yreka); Klamath National Forest 1036 Comment
  CHSC2066  Allium validum V. Holt 1932-6-27 Siskiyou Black Butte Meadow. 1219 Comment
  HSC39473  Allium validum J. P. Smith, Steve Selva 1970-7-27 Siskiyou Gumboot Lake 1768 Comment
Read comments
Apr 23 2015
  UCD141861  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
  CAS-BOT-BC478036  Allium validum John Thomas Howell 1939-8-3 14948 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  SEINET3154008  Allium validum G. D. Butler 1910-6-19 1577 Siskiyou Goosenet foot hills 1524 Comment
  SEINET3151668  Allocarya californica G. D. Butler 1910-5-29 1424 Siskiyou Damp place near Yuka. Comment
  UC484055  Alnus incana subsp. tenuifolia Carl B. Wolf 1930-10-22 1752 Siskiyou 1 mi w Mt. Shasta City 1066 Comment
  HSC67668  Alnus viridis subsp. sinuata John Palmer 1980-7-24 588 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  UC1100238  Alopecurus aequalis Herbert L. Mason 1948-7-18 13617 Siskiyou Grass Lake Comment
  UC207707  Alopecurus aequalis Geo. D. Butler 1908-10-16 546 Siskiyou Oro Fino Creek Comment
  SEINET7073536  Alyssum alyssoides A. G. Vestal 1963-6-1 s.n. Siskiyou Grassy slope with oak. About 4.6 miles southeast of Hornbrook on the Hornbrook - Ager Road. UTM Zone 10, 542900mN, 4366613mN. Coordinate datum: NAD27. Comment
  CAS-BOT-BC17200  Alyssum alyssoides Alice Eastwood 1923-5-23 11935 Siskiyou Cantara. S.P.R.R. Comment
  CAS-BOT-BC18594  Alyssum alyssoides John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53369 Siskiyou Grenada, near the railroad station. 792 Comment
  CDA3623  Alyssum alyssoides F. D. Horn 1980-4-24 Siskiyou Williams Creek near Collier Rest Area, I-5 near Hornbrook. 0 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
  JEPS54294  Amaranthus californicus Geo. D. Butler 1908-7-16 544 Siskiyou near Yreka (along creek of Butler's ranch) Comment
  UC163667  Amaranthus californicus Geo. D. Butler 1908-8-14 64 Siskiyou Yreka Comment
  CAS-BOT-BC142915  Amelanchier Volney Rattan 1879-6-1 s.n. Siskiyou Siskiyou Mountains Comment
  HSC69139  Amelanchier alnifolia Maralyn A. Renner 1980-8-8 2478 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  RSA756942  Amelanchier alnifolia var. pumila Robert F. Thorne 1969-8-2 63341 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. 1159 Comment
  HSC18534  Amelanchier pallida R. C. Wunner 1965-8-21 465 Siskiyou California Lava Beds National Monument; 1/4 mile S from Cinder Pit in direction of Caldwell Cave 1402 Comment
  HSC98  Amelanchier pallida William J. Ferlatte 1967-6-5 493 Siskiyou Big Flat, near public camp 1524 Comment
  RSA47626  Amelanchier pallida Roxana S. Ferris 1948-6-12 11800 Siskiyou At Mule Creek crossing on Scott Mt. Road so. of Callahan. 1463 Comment
  SEINET3110844  Amelanchier pallida Steve Selva, Roger Jensen 1974-8-16 7 Siskiyou Above Sugar Lake. Comment
  UCD112893  Amelanchier pallida Roy V. Parker 1956-5-15 119 Siskiyou 8 miles E of McCloud, Highway 89. 1097 Comment
  CAS-BOT-BC136906  Amelanchier utahensis Alice Eastwood 1923-5-23 11931 Siskiyou Along railroad between Mott and Cantara Comment
  CAS-BOT-BC136918  Amelanchier utahensis Ira L. Wiggins 1955-7-27 13564 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  RSA0089948  Amsinckia menziesii var. menziesii L. Ahart 2005-6-9 12046 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
  UC164120  Amsinckia menziesii var. menziesii Geo. D. Butler 1910-5-3 1269 Siskiyou Yreka Comment
  CAS-BOT-BC45214  Anaphalis margaritacea L. E. Smith 1914-7-6 753 Siskiyou Cantara Comment
  RSA696900  Anaphalis margaritacea Leo Miller s.n. Siskiyou Siskiyou Mts. 854 Comment
  JEPS83039  Androsace filiformis Linda M. Barker 1980-6-29 1982 Siskiyou Parker Camp Meadow Klamath National Forest 1767 Comment
  HSC29427  Anemone deltoidea Frederick W. Oettinger 1968-8-6 429 Siskiyou Marble Mtn. Wilderness Area, SE corner of Hancock Lake 1905 Comment
  HSC44582  Anemone deltoidea Laura Witherspoon 1977-7-12 Siskiyou Flint Valley Comment
  UC1190150  Anemone deltoidea Ira L. Wiggins 1955-7-29 13577 Siskiyou trail to Caribou Lake (summit of ridge above Thompson Creek) 1999 Comment
  CAS-BOT-BC94417  Anemone deltoidea R. C. Wenk 2005-7-15 233 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail, next to a creek 1828 Comment
  RSA238287  Anemone deltoidea Frederick W. Oettinger 1968-8-6 427 Siskiyou SE corner of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  CAS-BOT-BC391862  Anemone drummondii Harley P. Chandler 1901-6-1 1657 Siskiyou North Coast Ranges. Marble Mountain 2438 Comment
  UC1736533  Anemone drummondii Dean W. Taylor 1972-7-4 1606 Siskiyou near Lily Pad Lake, Cook and Green Pass region 1981 Comment
  HSC4933  Anemone lyallii J. O. Sawyer 1968-6-18 204 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  CAS-BOT-BC391936  Anemone multifida Edna Kelsey 1961-6-1 s.n. Siskiyou Marble Mts. Summit of Marble Mountain Comment
  CAS-BOT-BC391982  Anemone occidentalis Wm. Bridge Cooke 1938-7-21 11303 Siskiyou Mount Shasta. South of Horse Camp Comment
  CHSC65230  Anemone oregana V. Parker 1993-7-8 21 -10 Siskiyou Shasta-Trinity National Forests. McCloud Ranger District. Alongside small tributary to Trout Creek, off forest road 42N40B. 1706 Comment
  UCD127104  Angelica arguta K. M. Meyer; A. Townesmith 2007-7-31 180 Siskiyou Shasta-Trinity National Forest, 8.1 miles on NF Rd. 17, off US Hwy 97. 1607 Comment
  CAS-BOT-BC59288  Antennaria argentea A. A. Heller 1916-7-20 12475 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1371 Comment
  HSC67542  Antennaria argentea J. P. Smith, J. O. Sawyer 1972-6-30 5640 Siskiyou Junction of French Creek and Sugar Creek Rd., 1/2 mi. W of Parrott Mill Rd. 1250 Comment
  HSC46213  Antennaria dimorpha Jennifer Whipple 1976-5-2 904 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  UC796525  Antennaria dimorpha Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11831 Siskiyou (rd between Callahan and Gazelle) Callahan; Gazelle Mountain Grade 1499 Comment
  CAS-BOT-BC58710  Antennaria geyeri Elmer I. Applegate 1936-7-3 10496 Siskiyou Lava Beds National Monument. East slope of Hippo Butte Comment
  HSC29214  Antennaria media Frederick W. Oettinger 1969-7-14 1016 Siskiyou Salmon Mountains; N-facing slope between Charmaine Lake and Abbott's Lake 1860 Comment
  JEPS25842  Antennaria media Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7457 Siskiyou meadow at headwaters of, just of Jeep Rd from Poker Flat to Twin Valley Indian Creek; Siskiyou Mts., Indian Creek 1584 Comment
  JEPS94381  Antennaria rosea subsp. confinis Vernon Oswald and Lowell Ahart 1997-7-28 8789 Siskiyou se of Medicine Lake (at Paynes Springs, on floor of Paynes Creek Canyon n of the campground); Paynes Creek Canyon, Paynes Springs 1981 Comment
  SEINET515907  Antennaria rosea subsp. confinis Vernon Oswald 1997-7-28 8789 Siskiyou Southeast of Medicine Lake at Paynes Springs. 1981 Comment
  JEPS93982  Apera interrupta Vernon H. Oswald, Mike Dolan, and Beth Corbin 1998-6-27 9243 Siskiyou Big Tableland at s.w. edge Lower Klamath Nat'l Wildlife Refuge; , Big Tableland 1353 Comment
  UC164100  Apocynum androsaemifolium Geo. D. Butler 1908-9-6 78 Siskiyou dry thickets near Yreka Comment
  HSC153  Apocynum androsaemifolium William J. Ferlatte 1966-8-3 253 Siskiyou Mtn. Meadow Ranch 1524 Comment
  CAS-BOT-BC394987  Aquilegia formosa A. A. Heller 1905-6-22 13499 Siskiyou Between Igerna and Weed Comment
  UC853767  Aquilegia formosa John Thomas Howell 1939-8-10 15278 Siskiyou Sky High Valley Marble Mtns Comment
  RSA30393  Arabis breweri Lincoln Constance, Reed C. Rollins 1942-5-14 2930 Siskiyou Shasta River 6 miles N of Yreka. 762 Comment
  HSC69740  Arabis breweri var. breweri Maralyn A. Renner 1980-6-26 1277 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  HSC6556  Arabis divaricarpa Marion Ownbey, Ruth Ownbey 1938-7-20 1760 Siskiyou 1 mi. E of Dry Lake Lookout, summit of Siskiyou Mtns. Comment
  HSC90564  Arabis divaricarpa Jennifer Whipple 1977-7-22 2045 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  RSA0126150  Arabis divaricarpa John F. Emmel 1974-7-22 522 Siskiyou Meadows 0.2 air mile N of N end of Lower Wright Lake, Marble Mountain Wilderness Area. 2088 Comment
  HSC22411  Arabis divaricarpa var. interposita J. O. Sawyer 1969-7-25 1550 Siskiyou West of High Lake 2256 Comment
  CAS-BOT-BC17355  Arabis eschscholtziana Dorothy Parker 1948-6-14 s.n. Siskiyou Plowman's Valley. Rail Creek. 1203 Comment
  HSC62591  Arabis glabra Al Hobart 1967-8-8 Siskiyou Youngs Valley Comment
  HSC27339  Arabis holboellii var. pinetorum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5670 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  HSC39200  Arabis holboellii var. pinetorum J. P. Smith 1976-5-21 8774 Siskiyou Klamath National Forest, FS Rd. 40N08, 12.3 mi. from its junction with Hwy. 3 1220 Comment
  HSC74080  Arabis holboellii var. retrofracta J. P. Smith 1978-5-28 9954 Siskiyou Along the N Fork of the Salmon River near Little Rattlesnake Gulch 732 Comment
  HSC90577  Arabis holboellii var. retrofracta Jennifer Whipple 1976-7-8 1365 Siskiyou Klamath Mtns.: N to NE facing steep granite bluff above Dobkins Lake 2317 Comment
  POM143204  Arabis holboellii var. retrofracta Geo. D. Butler 1910-5-10 1331 Siskiyou Goosenest foothills Comment
  HSC22439  Arabis holboellii var. retrofracta J. O. Sawyer 1969-7-1 998 Siskiyou SE facing slope above Paynes Lake Creek 1921 Comment
  RSA237271  Arabis holboellii var. retrofracta Frederick W. Oettinger 1969-7-11 992 Siskiyou Near Half-way Spring, trail from English Lake to Diamond Lake. Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1898 Comment
  RSA0129256  Arabis lyallii William J. Ferlatte 1967-8-20 1052 Siskiyou Caribou Basin, Sawtooth Ridge, steep N-facing slope; Trinity Alps. 2043 Comment
  HSC66261  Arabis modesta Maralyn A. Renner 1980-6-22 897 Siskiyou Slopes N of Little Shasta River 1372 Comment
  HSC62267  Arabis platysperma Al Hobart 1968-6-18 Siskiyou Youngs Valley Comment
  CAS-BOT-BC27272  Arabis polytricha George Dexter Butler 1909-5-8 723 Siskiyou Near Yreka Comment
  RSA45328  Arabis subpinnatifida Dorothy Parker 1947-3-30 164 Siskiyou East side of Scott Valley near Hartstrand Gulch. 866 Comment
  HSC81575  Arabis suffrutescens var. suffrutescens Thomas W. Nelson, Jane P. Nelson 1980-7-17 6094 Siskiyou Along FS Rd. 17, 0.5 mi. N of summit at county line 2073 Comment
  UC1174942  Aralia californica P. C. Everett and E. K. Balls 1959-10-24 23942 Siskiyou 6 mi. w. Red Bank F. S. Camp (on rd. to Somes Bar from Sawyers Bar) 609 Comment
  SEINET2471283  Arceuthobium abietinum R. L. Mathiasen 2007-8-14 2007 -36 Siskiyou At jct. of Greyback Rd. and rd. to Kelly Lake 1345 Comment
  SEINET2118123  Arceuthobium abietinum subsp. wiensii R. L. Mathiasen, C. M. Daugherty 2008-8-8 08 -23 Siskiyou Klamath National Forest. Baldy Mountain, 18.2 km W of Indian Creek on forest road 17N11 (Doolittle Creek Road) 1820 Comment
  CHSC97967  Arceuthobium californicum R. L. Mathiasen 2005-3-12 530 Siskiyou 5.3 km from Siskiyou Lake on road to Castle Lake. Shasta-Trinity National Forest. 1330 Comment
  CHSC97992  Arceuthobium campylopodum R. L. Mathiasen 2005-3-12 532 Siskiyou 0.8 km north of Highway 89 on forest road 88 (road to Mt. Shasta Ski Park). Shasta-Trinity National Forest. Comment
  RSA121383  Arceuthobium campylopodum G. D. Barbe 1955-7-29 314 Siskiyou 0.75 mi E of Scott Mtn Road on road to Big Carmen Lake. 1707 Comment
  SEINET2471352  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2007-9-18 2007 -50 Siskiyou 38.7 km N. of St. Rte. 96 on forest road 15N01 (near Rock Creek Butte) 1530 Comment
  CAS-BOT-BC39986  Arctostaphylos nevadensis T. H. Harris 1951-6-1 s.n. Siskiyou Tanner Butte Road, Happy Camp 1828 Comment
  HSC65419  Arctostaphylos nevadensis Rich White 1978-7-3 202 Siskiyou 0.5 mi. up Dillon Ridge Trail 1715 Comment
  UC21874  Arctostaphylos nevadensis W. H. Brewer 1862-9-13 1381 Siskiyou Mount Shasta 1828 Comment
  UC456164  Arctostaphylos nevadensis I. J. Condit 1911-7-22 Siskiyou Shasta trail below Horse Camp 2286 Comment
  UC796483  Arctostaphylos nevadensis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11801 Siskiyou on Scott Mt. Rd. at Mule Creek Crossing (s of Callahan) 1493 Comment
  CAS-BOT-BC46452  Arctostaphylos patula Roxana S. Ferris; Laura Lorraine 1948-6-12 11771 Siskiyou About 6 mi. from Etna on forks of Salmon Rd. 1706 Comment
  CAS-BOT-BC46516  Arctostaphylos patula Doris K. Kildale 1929-8-24 8837 Siskiyou Preston Peak. 2228 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
  UC876449  Arctostaphylos patula Lewis S. Rose 1937-7-25 37596 Siskiyou Mt. Shasta City 1158 Comment
  HSC6087  Arctostaphylos viscida G. L. Clifton, Griswold 1979-6-27 6087 Siskiyou Near Shackleford Creek, close to the town of Greenview 1342 Comment
  HSC73228  Arctostaphylos viscida Gail Newton 1980-6-20 531 Siskiyou Near Bald Mtn. 1326 Comment
  UC166124  Arenaria congesta var. congesta Geo. D. Butler 1909-6-22 965 Siskiyou Goosenest foothills Comment
  JEPS84227  Arenaria congesta var. crassula L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6321 Siskiyou ca. 7 mi nne Seiad Valley (w of Cook and Green Pass, ca. 1/2 mi se of Red Butte); w of Cook and Green Pass, nne of Seiad Valley 1750 Comment
  RSA183738  Arenaria congesta var. suffrutescens Gilbert Muth 1965-8-16 225 Siskiyou Slopes behind Blk. Mt. Comment
  SEINET11943706  Arenaria rubella H. P. Chandler 1901-1 1673 Siskiyou Marble Mountain 2438 Comment
  HSC60849  Arenaria serpyllifolia Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  POM312502  Arnica Calvin McMillan, Malcom A. Nobs 1949-6-17 797 Siskiyou Grass Lake, Highway 97. Comment
  HSC60936  Arnica amplexicaulis Ruby Van Deventer 1955-8-3 Siskiyou A camp in upper Young's Valley. Clear Creek Camp Comment
  HSC62127  Arnica amplexicaulis Al Hobart 5 Aug [year missing] Siskiyou Preston Peak Comment
  CAS-BOT-BC82246  Arnica chamissonis L. E. Smith 1915-7-1 s.n. Siskiyou Bray Comment
  CDA10114  Arnica chamissonis subsp. foliosa T. C. Fuller 1960-6-3 4615 Siskiyou Toad Lake, ca. 7 miles north of Bartle. 0 Comment
  HSC62592  Arnica discoidea Al Hobart 1967-8-8 Siskiyou Youngs Valley Comment
  CAS-BOT-BC82668  Arnica latifolia John Thomas Howell 1939-8-2 14909 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC96421  Arnica mollis Gordon Leppig, J. Kalt 1996-7-9 382 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  RSA142694  Arnica mollis Philip A. Munz 1960-8-22 24174 Siskiyou Panther Meadows, Mt. Shasta 2287 Comment
  SBBG21764  Arnica mollis D. Myrick 1964-7-25 966 Siskiyou Panther Meadows below Ski Bowl Lodge, Mt Shasta 2346 Comment
  JEPS82425  Arnica ovata Gilbert Muth 1966-7-31 476 Siskiyou Black Mt. (n side of) Black Mt., Marble Mt. Wilderness Area 2057 Comment
  JEPS82415  Artemisia arbuscula Gilbert Muth 1966-8-7 504 Siskiyou ridge, Lookout Trail; Marble Mountain Wilderness Area 2057 Comment
  RSA291579  Artemisia biennis R. Pederson, G. Pederson 1979-9-26 113 Siskiyou Lower Klamath National Wildlife Refuge. 1238 Comment
  SEINET6775430 Image available Artemisia dracunculus G. D. Butler 1910-9-16 1878 Siskiyou Yreka flat Comment
  CAS-BOT-BC93710  Artemisia norvegica subsp. saxatilis Annetta Carter 1939-8-21 1470 Siskiyou Steep slope above southeast end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2194 Comment
  CHSC72225  Artemisia tridentata subsp. tridentata Vernon H. Oswald; Lowell Ahart 1998-9-16 9629 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  HSC92871  Artemisia tridentata subsp. tridentata Jennifer Whipple 1978-10-6 2412 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2256 Comment
  HSC92872  Artemisia tridentata subsp. tridentata Jennifer Whipple 1976-9-4 1805 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2226 Comment
  JEPS94642  Artemisia tridentata subsp. tridentata Vernon H. Oswald and Lowell Ahart 1998-9-16 9629 Siskiyou near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 (ca 5 mi n of Macdoel); Butte Valley National Grassland 1295 Comment
  SEINET229956  Artemisia tridentata subsp. vaseyana Leila M. Shultz, John S. Shultz 1985-6-23 8587 Siskiyou Lava Beds National Monument; Approximately 20 miles south of Tulelake; western extension of the Great Basin 1341 Comment
  UC637065  Aruncus dioicus var. pubescens Edward Lee 1934-8-11 1031 Siskiyou e end Seiad Valley (Walker Creek, a tributary of Klamath River); , Klamath River, Walker Creek 609 Comment
  CAS-BOT-BC400594  Asarum caudatum A. M. Vollmer; L. Beane 1951-6-2 84 Siskiyou Happy Camp, Klamath River Highway Comment
  RSA577024  Asclepias cordifolia L. C. Wheeler 1934-6-9 2669 Siskiyou Dutch Creek off Klamath River. Siskiyou Mtns. 610 Comment
  UC164151  Asclepias fascicularis Geo. D. Butler 1910-6-29 1613 Siskiyou near Yreka Comment
  SEINET10637017  Asclepias fascicularis George D. Butler 1910-6-29 Butler 1613 Siskiyou Near Yreka Comment
  SEINET7112709  Asclepias fascicularis G. D. Butler 1910-6-29 1613 Siskiyou Near Yreka Comment
  SBBG25826  Asclepias speciosa D. Myrick 1966-8-9 1504 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  RSA240059  Asclepias speciosa Frederick W. Oettinger 1969-8-12 1331 Siskiyou 1 mile from Etna Summit on road toward Etna. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC376178  Aspidotis densa Andrew Townesmith; Karen M. Meyer 2007-8-1 885 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway) 1983 Comment
  CAS-BOT-BC69597  Aspidotis densa L. B. Kildale 1930-6-1 9848 Siskiyou Mill Creek near Etna Mills. Comment
  HSC69164  Aspidotis densa Maralyn A. Renner 1980-8-8 2468 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  HSC69706  Aspidotis densa Maralyn A. Renner 1980-6-26 1260 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  UC1408841  Aspidotis densa Frederick W. Oettinger 1968-8-23 610 Siskiyou due e and 50 ft below Diamond Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2057 Comment
  UCD137309  Aspidotis densa A. H. Murphy 1956-8-16 56 N Siskiyou Klamath National Forest. 1981 Comment
  RSA237847  Aspidotis densa Frederick W. Oettinger 1968-8-23 610 Siskiyou 50 feet below Diamond Lake at base of sheer cliff. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2058 Comment
  RSA96711  Aster chilensis Percy C. Everett, E. K. Balls 1954-10-14 20296 Siskiyou Hwy 96, along Klamath River, 1.8 miles north of Somesbar 213 Comment
  SEINET1783729  Aster copelandii E. B. Copeland 1903-9-7 3867 Siskiyou Mt. Eddy. 2744 Comment
  POM58123  Aster eatonii E. B. Copeland 1903-8-13 3821 Siskiyou Sisson. 1067 Comment
  SEINET10687772 Image available Astragalus californicus Edward L. Greene Greene 764 Siskiyou Yreka. Comment
  HSC76923  Astragalus purshii var. lectulus K. T. Stillman 1976-6-26 137 Siskiyou Marble Mountain Wilderness Area, Kings Castle. 2134 Comment
  HSC75134  Astragalus whitneyi var. siskiyouensis J. P. Smith, Thomas W. Nelson 1979-6-16 10135 Siskiyou Klamath National Forest, along Hwy. 3, 3.1 mi. from the Scott Mtn. summit. 1280 Comment
  RSA110164  Astragalus whitneyi var. siskiyouensis R. C. Barneby 1954-5-17 11536 Siskiyou Scott Mts., 5 miles above Callahan. 1265 Comment
  RSA396130  Astragalus whitneyi var. siskiyouensis Dorothy Parker 1953-7-20 547 Siskiyou Cabin Meadow Creek near Cory Peak. 1982 Comment
  SJSU2585  Asyneuma prenanthoides H. L. Buckalew 1962-7-4 Siskiyou Red Bank Camp, N Fork Salmon R, Salmon Mts Comment
  POM339723  Athyrium americanum F. R. Fosberg 1969-8-17 51462 Siskiyou Southwest slope of Mount Shasta, end of highway at ski lift. 2450 Comment
  RSA237522  Athyrium americanum Frederick W. Oettinger 1969-8-21 1476 Siskiyou Ethel Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1738 Comment
  HSC23598  Athyrium distentifolium var. americanum J. O. Sawyer 1969-8-2 1717 Siskiyou E facing slope SW of Little Duck Lake 2241 Comment
  RSA692541  Athyrium filix-femina subsp. cyclosorum M. B. Dunkle 1944-7-7 9078 Siskiyou Deer Creek 1768 Comment
  SEINET9630167 Image available Athyrium filix-femina var. californicum William Bridge Cooke 1940-8-2 15407 Siskiyou Flora of Mount Shasta; Wagon camp spring area 1737 Comment
  CAS-BOT-BC66192  Athyrium filix-femina var. cyclosorum Ira L. Wiggins 1955-7-24 13500 Siskiyou Trail at crossing of China Creek, above diversion dam 1301 Comment
  CAS-BOT-BC66198  Athyrium filix-femina var. cyclosorum John Thomas Howell 1939-8-3 14988 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC1333324  Athyrium filix-femina var. cyclosorum Dorothy Parker 1949-6-30 Siskiyou stream that empties into Etna Creek; Salmon Mts 1176 Comment
  CAS-BOT-BC66186  Athyrium filix-femina var. cyclosorum W. B. C. 1939-7-21 13700 Siskiyou outlet of the Municipal Spring above Howard 1280 Comment
  CAS-BOT-BC17616  Athysanus pusillus Roxana S. Ferris; Laura Lorraine 1948-6-12 11856 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side. 1417 Comment
  HSC4367  Atriplex rosea R. C. Wunner 1965-8-14 416 Siskiyou Lava Beds National Monument, Hovey Point. 1220 Comment
  HSC43816  Balsamorhiza deltoidea M. A. Baker 1977-5-22 327 Siskiyou One mile west of Hwy. 3, on the road to Little Duck and Sugar Lakes Comment
  OBI55453  Balsamorhiza deltoidea David J. Keil 1992-7-20 23510 Siskiyou Klamath Natl forest, SW of Fort Jones. Along forest rd 46N64, 4.8 mi W of Scott river Rd 800 Comment
  CHSC118187  Balsamorhiza lanata Sarah Tona 2015-6-9 3 Siskiyou Along the west side of Old Highway 99, 1.8 miles south of Gazelle. Coordinates: 44.494926, -122.510921 WGS84. 876 Comment
  UC165951  Berberis aquifolium var. aquifolium Geo. D. Butler 1910-4-11 1169 Siskiyou Yreka Creek Comment
  UC165952  Berberis aquifolium var. aquifolium Geo. D. Butler 1910-4-1 1807 Siskiyou Yreka Creek Comment
  CAS-BOT-BC75718  Berberis nervosa J. H. Thomas 1954-5-13 4133 Siskiyou Salmon Mountains. Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. 1066 Comment
  CAS-BOT-BC75725  Berberis nervosa Doris K. Kildale 1929-7-21 8744 Siskiyou Elk Lick, South Fork of Indian Creek. 1219 Comment
  HSC5004  Berberis nervosa J. O. Sawyer 1968-7-10 505 Siskiyou On Sugar Creek just above confluence with S Sugar Creek 1707 Comment
  HSC69417  Berberis nervosa John Palmer 1980-8-12 731 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  CAS-BOT-BC75922  Berberis piperiana Doris K. Kildale 1929-5-1 7841 Siskiyou Callahan. Comment
  CAS-BOT-BC75928  Berberis piperiana Carl B. Wolf 1933-7-5 5974 Siskiyou 4.7 miles from Oak Knoll Ranger Station on Klamath River, on road to Dry Lake Lookout, Siskiyou Mountains. 1219 Comment
  CAS-BOT-BC75999  Berberis pumila L. E. Smith 1913-5-4 249 Siskiyou Hornbrook. Comment
  CAS-BOT-BC76007  Berberis pumila Doris K. Kildale 1927-11-20 4183 Siskiyou Fort Jones. Comment
  JEPS16041  Berula erecta Willis L. Jepson July 1894 14212 Siskiyou Sisson Comment
  CAS-BOT-BC169479  Betula occidentalis Wm. Bridge Cooke 1940-7-12 15328 Siskiyou A small grove occurs in a swamp near the Mount Shasta High School 1097 Comment
  CAS-BOT-BC169490  Betula occidentalis John Thomas Howell 1964-5-11 40701 Siskiyou Scott Valley between Etna and Callahan Comment
  JEPS107288  Betula occidentalis Lowell Ahart, John Dittes 2005-6-10 12072 Siskiyou On N side of the Shasta R., near rocky hillside N of the Shasta R., S of poor dirt road, ca. 50 yd NW of the pump house along the Shasta R., ca. 1.9 mi (air) S of Hwy 99/97 Cutoff, ca. 6 mi (air) east-SE of Grenada 776 Comment
  UC847563  Betula occidentalis Alice Eastwood 1912-7-23 1341 Siskiyou Cantara Comment
  JEPS24810  Bidens cernua Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6819 Siskiyou 7 mi e Callahan 1127 Comment
  JEPS32524  Bidens cernua Geo. D. Butler 1908-9-25 501 Siskiyou between Yreka and Montague Yreka; Shasta River Comment
  HSC92957  Bistorta bistortoides Jennifer Whipple 1978-10-6 2400 Siskiyou Primarily N facing slopes in the Eddy Creek drainage. 2317 Comment
  CAS-BOT-BC127902  Blepharipappus scaber Louis C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek, Siskiyou Mts. 914 Comment
  CAS-BOT-BC127948  Blepharipappus scaber L. E. Smith 1913-5-1 266 Siskiyou Edgewood Comment
  JEPS24005  Blepharipappus scaber Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6866 Siskiyou 3 mi below (north of) road summit, on the road to Callahan Scott Mtn. 1219 Comment
  POM55527  Blepharipappus scaber E. B. Copeland 1903-7-3 3524 Siskiyou Klamathon. Comment
  RSA0125480  Boechera Geo. D. Butler 1910-7-9 1719 Siskiyou Marble Mountain. 1829 Comment
  CAS-BOT-BC15798  Boechera acutina John Thomas Howell 1937-7-26 13551 Siskiyou Caribou Gulch. Comment
  UC1409498  Boechera breweri subsp. breweri Frederick W. Oettinger 1968-8-10 465 Siskiyou e side Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 2042 Comment
  LA204396  Boechera howellii Wm. Bridge Cooke; 1939-7-26 13773 Siskiyou Mount Shasta, along the Summit Trail below Lake Helen 2895 Comment
  LA204400  Boechera howellii L. Ellison; 1928-9-11 509 Siskiyou Mt Shasta 2743 Comment
  UC1409497  Boechera lyallii Frederick W. Oettinger 1968-8-4 390 a Siskiyou trail just n Crapo Peak Ridge (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 2194 Comment
  SEINET3165707  Boechera pauciflora R. W. Spellenberg 2006-6-19 13746 Siskiyou On the Gazelle-Callahan Road, 3 km NE of junction to village of Callahan, 35 km SW of Gaselle. 1050 Comment
  JEPS90245  Boechera paupercula Dean W. Taylor 1975-8-14 5356 Siskiyou between Shasta Ski Area and Green Butte (Mount Shasta); Mount Shasta 2590 Comment
  CHSC71291  Boechera pinetorum Vernon H. Oswald; Lowell Ahart 1998-6-11 9179 Siskiyou Shasta NF plantation on the west side of hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  CAS-BOT-BC14674  Boechera rectissima A. A. Heller 1916-6-23 12421 Siskiyou Near Black Butte north of Sisson. 1127 Comment
  CAS-BOT-BC25615  Boechera retrofracta John Thomas Howell 1939-8-4 15048 Siskiyou Marble Mountains. Marble River. 1889 Comment
  JEPS53078  Boechera retrofracta Harley P. Chandler Jun 1901 1621 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  CAS-BOT-BC25611  Boechera retrofracta John Thomas Howell 1937-7-26 13569 Siskiyou Salmon River Gulch. Between Big Flat and Caribou Gulch. Comment
  HSC103180  Boechera rollei Dana York 2012-7-21 3129 Siskiyou Rogue River-Siskiyou National Forest, Siskiyou Mountains, ridge above Echo Lake. 1790 Comment
  JEPS85501 Image available Boechera rollei Wayne E. Rolle 1983-8-4 831 Siskiyou divide between the Applegate and Klamath rivers (Red Butt-Kangaroo Mt.-Lilypad Lake-Towhead Lake region) 1645 Comment
  RSA0028753  Boisduvalia densiflora var. densiflora Geo. D. Butler 1910-6-29 1614 Siskiyou Yreka Creek Comment
  SEINET3296901 Image available Boschniakia strobilacea Marion Ownbey, Fred G. Meyer 1940-7-7 2220 Siskiyou Summit of Cayenne Ridge, Marble Mountain. Comment
  SEINET3561644 Image available Boschniakia strobilacea James Montgomery 1969-7-24 80918 c Siskiyou Mount Shasta, Shasta National Forest. 1981 Comment
  HSC29121  Botrychium multifidum Frederick W. Oettinger 1968-8-7 443 Siskiyou Marble Mts. Wilderness Area, inlet of Tobacco Lake 1890 Comment
  HSC22412  Boykinia major J. O. Sawyer 1969-8-1 1608 Siskiyou Horseshoe Lake 1921 Comment
  HSC468  Boykinia major William J. Ferlatte 1966-8-3 289 Siskiyou Josephine Lake basin. 1677 Comment
  CAS-BOT-BC418462  Boykinia major Douglas Barbe 1955-7-4 093 Siskiyou 11 miles south of Etna on the North Fork of French Creek, about 1000' from Parrot Mill Rd.; Klamath Mountains 975 Comment
  RSA756939  Boykinia major R. F. Thorne 1969-8-2 63345 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  SJSU6077  Brickellia grandiflora R. W. Trivelpiece 1971-8-11 67 Siskiyou near Grass Lake, 4.5 mi N of Sheep Rock, eastern Siskiyou County 1905 Comment
  RSA610985  Brickellia greenei L. C. Wheeler 1952-9-18 6248 Siskiyou Siskiyou Mountains: South Fork Indian Creek, near Happy Camp. Comment
  SEINET10570676  Brodiaea A. Arthur Heller 1919-6-25 Heller 13265 Siskiyou Compton's parairie, north base of Mt. Eddy in the yellow pine belt, 3800 feet. An almost treeless grassy area, well watered by the small streams forming the Shasta River. Comment
  UCD57493  Bromus briziformis Mr. Roseman 1913-1 5 Siskiyou Butte Valley. Comment
  JEPS69158  Bromus carinatus var. carinatus Geo. D. Butler 1909-5-21 815 Siskiyou roadside near Yreka Comment
  UC204738  Bromus carinatus var. carinatus Geo. D. Butler 1910-7-3 1622 Siskiyou Goosenest Foothills 1219 Comment
  UCD59206  Bromus carinatus var. marginatus E. Wilson 1937-6-25 s.n. Siskiyou Large stand between Shasta Co. and McCloud. Comment
  CAS-BOT-BC155279  Bromus inermis Hans Karstensson; Ethel Hyde 1939-7-26 s.n. Siskiyou Near Tule Lake, northeast corner of Siskiyou county. 1280 Comment
  CHSC4376  Bromus madritensis subsp. rubens M. M. Gregg 1966-5-14 180 Siskiyou W of Callahan on Etna Rd. approx. 1-1 1/2 mi. Along side of rd. Comment
  CAS-BOT-BC162136  Bromus orcuttianus R. E. Frenkel 1963-7-13 229 Siskiyou On Everitt Memorial Highway 4.7 miles north of McCloud River Railroad crossing. Along both sides of road. 1545 Comment
  HSC42950  Bromus orcuttianus J. O. Sawyer, Ken Stillman 1976-7-1 2776 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  UC1145165  Bromus orcuttianus Joseph P. Tracy 1950-7-18 19219 Siskiyou 3 air mi nw from mouth of Salmon River (Prospect Hill); Prospect Hill 1097 Comment
  CAS-BOT-BC185591  Bromus tectorum Doris K. Kildale 1928-7-25 5905 Siskiyou Klamath River. Mack's Creek near Hamburg. Comment
  HSC100204  Bromus tectorum J. P. Smith, , J. O. Sawyer, & R. J. Cole 2011-5-22 13178 Siskiyou Matthews Campground on the Cecilville to Forks of Salmon Road. 640 Comment
  RSA751886  Bromus vulgaris P. M. Peterson, J. M. Saarela, C. J. Sears 2006-8-7 19729 Siskiyou Port Orford Cedar Botanical Area, Klamath National Forest. 1168 Comment
  HSC24220  Calamagrostis breweri J. O. Sawyer 1969-8-4 1803 Siskiyou Above Sugar Lake 2134 Comment
  SEINET3924021  Calamagrostis breweri Barbara Wilson, Keli Kuykendall; Julie Nelson; Bruce Newhouse 2001-7-12 10578 Siskiyou Property of Yreka Timber Products; 1.4 miles by road below (north of) parks Creek Summit on Shasta-Trinity National Forest Road 17.; 0 2012 Comment
  RSA238992  Calamagrostis canadensis Frederick W. Oettinger 1969-8-16 1404 Siskiyou Wire Grass Meadow, English Lake Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  HSC26483  Calamagrostis koelerioides J. P. Smith, Steve Selva 1970-7-15 4361 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  HSC69231  Calamagrostis koelerioides Maralyn A. Renner 1980-9-1 2716 Siskiyou S side of Devil's Punchbowl 1829 Comment
  SEINET7584064 Image available Calliscirpus criniger Frederick W. Oettinger 1968-9-7 754 Siskiyou High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area, near Hancock Lake outlet. 1935 Comment
  SEINET7584067 Image available Calliscirpus criniger Frederick W. Oettinger 1968-9-7 767 Siskiyou Salmon Mountains, vicinity of English Peak Marble Moutain Wilderness Area, just north of Tobacco Lake. 1890 Comment
  SBBG28166  Callitriche heterophylla var. bolanderi L. C. Wheeler 1935-6-13 3568 1/2 Siskiyou Greenview, Scott Valley 883 Comment
  JEPS42839  Callitriche verna Geo. D. Butler 1908-8-27 406 Siskiyou Oro Fino Comment
  CAS-BOT-BC85734  Calocedrus decurrens A. A. Heller 1915-8-26 12254 Siskiyou Metcalf's ranch at the foot of Mt. Eddy 1188 Comment
  RSA604462  Calocedrus decurrens L. C. Wheeler 1959-7-21 7587 Siskiyou Salmon Mountains: Dry Gulch Mine off Crawford Creek off South Fork Salmon River. 1219 Comment
  SBBG15287  Calochortus coeruleus H. and M. Dearing 1939-7-1 3793 Siskiyou Salmon Mtn summit 1828 Comment
  UC119789  Calochortus elegans Harley P. Chandler Jun 1901 1646 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  CAS-BOT-BC488625  Calochortus elegans F. D. Douthitt 1923-7-12 15 Siskiyou Dry Lake Mountain; Klamath Forest 2133 Comment
  JEPS61648  Calochortus elegans Hilda W. Grinnell 1935-6-7 Siskiyou Dry Lake Ranger Station Siskiyou Mts. 2062 Comment
  CAS-BOT-BC488606  Calochortus elegans var. nanus Annie M. Alexander; Louise Kellogg 1949-7-21 5823 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  CAS-BOT-BC488618  Calochortus elegans var. nanus Doris K. Kildale 1928-7-2 5348 Siskiyou Salmon Summit, near Horn Creek Trail 1981 Comment
  SEINET10469586 Image available Calochortus elegans var. nanus F. Marion Ownbey, Ruth P. Ownbey 1938-7-19 Ownbey 1748 Siskiyou 2 1/2 miles northest of Dry Lake Lookout, summit of Siskiyou Mts. Loose, somewhat rocky soil, open slopes. Comment
  SEINET10469598 Image available Calochortus monanthus Edward L. Greene 1876-6-24 Greene 887 Siskiyou Near Yreka. Comment
  CHSC71611  Calochortus nudus Vernon H. Oswald; Lowell Ahart 1998-8-3 9443 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. West of Kangaroo Lake. 1981 Comment
  UC54188  Calochortus nudus H. M. Hall and E. B. Babcock Jun 1903 4067 Siskiyou n of Sisson (to near Upton); Sierra Nevada Mountains, Mount Shasta 1066 Comment
  CAS-BOT-BC493095  Calochortus nudus Frank Callahan 2007-7-5 s.n. Siskiyou Methodist Camp meadows above or west of Scott Camp Creek 1482 Comment
  CAS-BOT-BC132458  Calochortus persistens Marion Ownbey; S. J. Preece, Jr. 1952-6-25 3341 Siskiyou Ridge road to Deadwood Lookout, mountains west of Yreka Comment
  CAS-BOT-BC494022  Calochortus tolmiei J. H. Thomas 1954-5-12 4121 Siskiyou Salmon Mountains, klamath National Forest. Near south Fork of Salmon River, 5 to 9 miles southeast of Cecilville 975 Comment
  JEPS96992  Calochortus tolmiei Dean W. Taylor 1999-6-9 17236 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  CAS-BOT-BC181513  Caltha leptosepala Ira L. Wiggins 1950-5-28 12367 Siskiyou Small bog on side of ridge above Grouse Creek, ca. 1.5 mi. from Carmen Lake 1584 Comment
  HSC4947  Caltha leptosepala J. O. Sawyer 1968-6-25 320 Siskiyou Along Horse Range Creek 1829 Comment
  CHSC29774  Caltha leptosepala var. biflora M. S. Taylor; W. Roderick, B. Williams 1980-6-4 2778 Siskiyou Bog around Cedar Lake. 1737 Comment
  CAS-BOT-BC273393  Calycadenia fremontii Elmer I. Applegate 1923-9-10 3983 Siskiyou Mouth of Salmon River, Klamath River Comment
  UC165316  Calycadenia truncata Geo. D. Butler 1908-8-2 343 Siskiyou near Greenview Comment
  POM30674  Calycadenia truncata subsp. microcephala Geo. D. Butler 1910-7-30 1801 Siskiyou Near Yreka. Comment
  HSC4429  Calyptridium monospermum William J. Ferlatte 1966-8-3 295 Siskiyou Josephine Lake basin 1677 Comment
  JEPS127643  Calyptridium monospermum Jurriaan M. de Vos 2014-7-10 313 Siskiyou Klamath NF. Along and just S of Pacific Crest Trail, ca. 250 m E from Cook and Green Pass (Forest Road 1055). Comment
  JEPS31594  Calystegia malacophylla subsp. malacophylla Willis L. Jepson Jul 24 1894-Aug 10 1894 14525 Siskiyou Sisson , Sisson (region of the Upper Sacramento) Comment
  CAS-BOT-BC221262  Calystegia malacophylla subsp. malacophylla L. E. Smith 1913-7-12 479 Siskiyou Mt. Eddy Comment
  POM76564  Calystegia occidentalis subsp. occidentalis Geo. D. Butler, R. T. Ferris 1910-5-20 1397 Siskiyou Humbug Mountain 1067 Comment
  CAS-BOT-BC36992  Camelina microcarpa L. E. Smith 1913-6-5 415 Siskiyou Montague. Comment
  CDA3583  Camelina microcarpa F. Wallier 1961-5-1 Siskiyou R. Collier, Yreka. 0 Comment
  CAS-BOT-BC160895  Camissonia tanacetifolia subsp. tanacetifolia G. D. Hanna; M. M. Hanna 1956-6-1 s.n. Siskiyou Junction of Highway 139 and Glass Mountain Road Comment
  CAS-BOT-BC160903  Camissonia tanacetifolia subsp. tanacetifolia Peter H. Raven 1962-5-30 17900 Siskiyou U. S. Highway 97, 14 miles south of Macdoel Comment
  RSA211339  Campanula prenanthoides William J. Ferlatte 1966-8-18 420 Siskiyou Trinity Alps. Along the South Fork of the Salmon River between the campground and Carter's. 1524 Comment
  SD104864  Campanula prenanthoides Darley F. Howe 1979-6-25 Siskiyou 7.0 miles southeast of Domes Bar. Comment
  SEINET10462854  Campanula prenanthoides Brown 1897-7-15 Brown 527 Siskiyou SOUTH SIDE MT SHASTA 5000-10000 Comment
  POM259605  Campanula rotundifolia J. T. Howell 1939-8-4 15046 Siskiyou Marble Rim, Marble Mts 1890 Comment
  CAS-BOT-BC266453  Campanula scabrella Peter H. Raven 1956-9-4 10415 Siskiyou On the summit of Mount Eddy 2758 Comment
  UCD77450  Campanula scabrella Robert E. Preston 2001-7-21 1743 Siskiyou Klamath National Forest, Rainbow Mountain, T42N R1W sw 1/4 of ne 1/4 Section 22 2255 Comment
  POM59315  Campanula scabrella E. B. Copeland 1903-8-18 3844 Siskiyou Mount Eddy 2744 Comment
  SEINET10972070  Campanula scabrella George Engelmann 1880-8-30 Engelmann s.n. Siskiyou SCOTTS MOUNTAIN UNDER PINUS ALBICAULIS & P. BALFOURIANA 2134 Comment
  SEINET10463780  Campanula scouleri Sawyer 1971-8-19 SAWYER 2452 Siskiyou Scott Bar quadrangle; on trail to Marble Valley near Lovers Camp. T43N R11W Sec. 7 1311 Comment
  SEINET10872983  Campanula scouleri A. Arthur Heller 1914-8-25 Heller s.n. Siskiyou Deetz Station near Black Butte 1158 Comment
  CAS-BOT-BC266465  Campanula wilkinsiana A. A. Heller 1920-8-12 13518 Siskiyou About the spring above Horse Camp, Mount Shasta Comment
  RSA211342  Campanula wilkinsiana William J. Ferlatte 1967-8-22 1099 Siskiyou Head of Kidd Creek. 2134 Comment
  UC631649  Campanula wilkinsiana M. D'Evelyn 1931-8-10 Siskiyou creek bed near Red Cap; Mount Shasta 2438 Comment
  CAS-BOT-BC37194  Capsella bursa-pastoris John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53373 Siskiyou Grenada. Near the railroad station. 792 Comment
  RSA237256  Cardamine californica var. integrifolia Frederick W. Oettinger 1967-7-26 184 Siskiyou Stream bank just below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  UC166131  Cardamine cordifolia var. lyallii Geo. D. Butler 1908-8-8 132 Siskiyou Marble Valley Comment
  POM95616  Cardamine cordifolia var. lyallii Geo. D. Butler 1908-8-8 132 Siskiyou Marble Valley. 1829 Comment
  RSA281668  Cardamine cordifolia var. lyallii S. O. Mattoon 1978-7-23 120 Siskiyou Wright Lakes Trail at Upper Wright Lake, approx. 11 air miles W of Fort Jones, Marble Mts. 2195 Comment
  CAS-BOT-BC38067  Cardamine pachystigma W. R. Dudley 1893-6-20 s.n. Siskiyou Near Castle Lake, vicinity of Mount Shasta. Comment
  JEPS116630  Carduus nutans Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -005 Siskiyou North side Mt. Shasta, south of Hwy 97 Mt. Shasta 1090 Comment
  CAS-BOT-BC18389  Carex Annie M. Alexander; Louise Kellogg 1949-7-28 5887 Siskiyou Marble Mountains. Sky High Valley. 1767 Comment
  UC833305  Carex abrupta John Thomas Howell 1939-8-5 15066 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  NY25627  Carex amplectens W. B. Cooke 1940-1 15123 Siskiyou Mount Shasta City 1082.0 Comment
  UC822666  Carex amplifolia A. A. Heller 1905-6-5 7982 Siskiyou a short distance below Shasta Springs (between Shasta Retreat and Shasta Springs) Comment
  CAS-BOT-BC17993  Carex aquatilis W. J. Ferlatte 1966-8-3 278 Siskiyou Josepine Lake Basin. 1920 Comment
  HSC79089  Carex aquatilis var. dives L. P. Janeway 1983-8-16 552 Siskiyou Poker Flat: slope between upper & lower parts of meadow. 1524 Comment
  HSC85832  Carex aquatilis var. dives L. P. Janeway 1983-7-24 453 Siskiyou Poker Flat: slope between upper & lower parts of meadow. 1524 Comment
  HSC26099  Carex athrostachya J. O. Sawyer 1969-7-9 1204 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  POM79948  Carex athrostachya E. B. Copeland 1903-9-7 2151 Siskiyou Mt. Eddy. 2134 Comment
  UCD140137  Carex athrostachya Herbert L. Mason 1948-7-18 13610 Siskiyou Grass Lake. Comment
  UC642557  Carex brainerdii J. W. Stacey 1939-8-10 13819 Siskiyou in the bed of Mud Creek Canyon Mud Creek Canyon Comment
Read comments
Mar 22 2008
  CAS-BOT-BC34158  Carex breweri J. W. Stacey 1938-7-28 11367 Siskiyou Mount Shasta. North Ridges. 2743 Comment
  CHSC106472  Carex breweri Peter F. Zika 2009-8-16 24605 Siskiyou Cascade Range Highlands (CaRH). Near top of Road A10 (Everett Memorial Highway), S slope of Mt. Shasta. 2400 Comment
  CHSC98896  Carex breweri L. P. Janeway; B. Castro 2007-7-29 9141 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, very steep north-facing slope near the top of the northwest-trending shoulder. 2054 Comment
  SD53346  Carex breweri Darley F. Howe 1962-8-6 Siskiyou Mt. Shasta. 2438 Comment
  SEINET10648318  Carex breweri Charles F. Baker 1903-7-16 Baker 3517 Siskiyou Mount Shasta. 3170 Comment
  SEINET7552949 Image available Carex breweri E. B. Copeland 1903-7-16 3517 Siskiyou Mt. Shasta. 3170 Comment
  SEINET7552954 Image available Carex breweri Robert F. Thorne, Fred Oettinger 1969-8-10 38982 Siskiyou Mt. Shasta National Forest; S slope of Mt. Shasta. 2377 Comment
  JEPS125994  Carex buxbaumii D. W. Taylor, G. Clifton 1996-7-27 15856 Siskiyou Shasta-Trinity National Forest; Cliff Lake, The Eddys, about 15 air miles SW of Weed. Comment
  CHSC40179  Carex concinnoides L. P. Janeway 1982-7-10 58 Siskiyou On a short ridge near the old Grayback Rd ca 1/2 mi above West Branch Guard Sta. 746 Comment
  JEPS84180  Carex echinata subsp. echinata L. R. Heckard with J. Hickman 1986-7-16 6444 Siskiyou se Red Butte (ca. 5 mi n of the town of Seiad Valley); Lily Pad Lake 1770 Comment
  HSC38961  Carex fracta J. O. Sawyer 1969-8-1 1618 Siskiyou On trail to Eaton Lakes. 1799 Comment
  CAS-BOT-BC9328  Carex fracta Wm. Bridge Cooke 1939-7-7 13621 Siskiyou Mount Shasta. Lower Wagon Camp springs 1737 Comment
  JEPS101096  Carex geyeri Dean W. Taylor 1997-6-12 16065 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle 944 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
  SEINET8987782 Image available Carex hassei P. Zika, Wilson, B 2011-1 25668 Siskiyou FS Road 41NO3, 1.6 road miles from junction with Gazelle- Callahan Road, 1.5 air miles NE of Mountain House, 3.5 air miles NW of Crater Lake, Scott Mountains. Klamath Range (KR) Comment
  JEPS104437  Carex inops subsp. inops Martin J. Lenz 2003-6-9 19 Siskiyou 0.3 mi up 100R1 logging road from Tom Young Road, approx. 1 mi WNW of Pondosa 1254 Comment
  CAS-BOT-BC7662  Carex integra John Thomas Howell 1937-7-25 13483 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  HSC97429  Carex integra Jennifer Whipple 1977-7-21 2013 Siskiyou Near Durney Lake 2073 Comment
  CHSC40203  Carex jonesii L. P. Janeway 1983-8-6 511 Siskiyou At Poker Flat. 1524 Comment
  CAS-BOT-BC35477  Carex jonesii T. C. Fuller 1962-6-13 8982 Siskiyou meadow of Toad Well, road to Medicine Lake, ca. 12 mi. N of Bartle Comment
  UC826561  Carex laeviculmis John Thomas Howell 1939-8-3 14964 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  HSC76371  Carex lenticularis var. impressa L. P. Janeway 1982-8-13 123 Siskiyou Springy bench above and on NE side of Bear Creek, along the trail 1616 Comment
  HSC76372  Carex lenticularis var. lipocarpa L. P. Janeway 1982-8-13 127 Siskiyou N side of Bear Lake 1814 Comment
  POM173648  Carex lenticularis var. lipocarpa Geo D. Butler 1910-7-8 1665 Siskiyou Shackleford Creek. 1220 Comment
  SEINET7564650 Image available Carex lenticularis var. lipocarpa Frederick W. Oettinger 1968-9-9 801 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, Tom's Lake. 2012 Comment
  CHSC96452  Carex luzulina Gordon Leppig; Jennifer Kalt 1996-7-9 354 Siskiyou Klamath National Forest. Russian Wilderness, Little Duck Lake Fen. In cirque west of Little Duck Lake. UTM Zone 10 NAD 1927, 503813E, 4572466N. 2200 Comment
  UC1105687  Carex luzulina var. ablata S. S. Tillett 1956-7-9 639 Siskiyou ca. 8 mi se Callahan (small lake e of Scott Mtn.); Siskiyou-Trinity Co. line 1828 Comment
  RSA794454  Carex multicaulis P. F. Zika, Julie Nelson 2012-6-21 25909 Siskiyou Ridge above South Fork Willow Creek, 9 air km ENE of Gazelle Mountain, Shasta-Trinity National Forest, FS Road 42N42Y, 0.25 road miles east of junction with 42N19, Klamath Range. 1665 Comment
  CDA33114  Carex multicaulis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2613 Siskiyou 0.2 mile east of Forest Mountain summit, Highway 3 (Yreka- Fort Jones Highway), southwest of Yreka. Comment
  RSA364654  Carex multicaulis J. P. Smith 1973-5-5 6395 Siskiyou In and around the O Neill Campground near Seiad Valley. 488 Comment
  RSA48007  Carex multicaulis Roxana S. Ferris, Laura Lorraine 11801 -A Siskiyou At Mule Creek crossing, Scott Mountain road, south of Callahan. Comment
  CAS-BOT-BC119644  Carex nigricans John Thomas Howell 1937-7-25 13487 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  HSC29665  Carex nigricans Frederick W. Oettinger, R. F. Thorne 1969-8-4 1164 Siskiyou Marble Mtn. Wilderness Area, Diamond Lake 2073 Comment
  RSA237290  Carex nigricans Frederick W. Oettinger 1968-8-2 359 Siskiyou East end of Diamond Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC119471  Carex nudata D. E. Breedlove 1962-6-10 3321 Siskiyou On the N bank of the Klamath River at its junction with Goff Creek, 4 mi W of Seiad. 411 Comment
  HSC76395  Carex nudata L. P. Janeway 1982-8-14 132 Siskiyou Along N shore of Klamath River 427 Comment
  POM224492  Carex nudata L. C. Wheeler 1934-9-22 3296 Siskiyou Walker, Klamath River, Siskiyou Mountains. (Mt. Diablo Mer.) 518 Comment
  SEINET7569408 Image available Carex nudata Frederick W. Oettinger 1968-9-5 709 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, south end of Diamond Lake. 2073 Comment
  CHSC118258  Carex pachycarpa R. E. Brainerd; N. Otting 2013-7-12 2189 Siskiyou Klamath Mountains. Lower Big Meadow, ca. 0.2 mile southwest of Big Meadow Trailhead, 6.7 air miles west of Oro Fino. UTM Zone 10 495857E 4604306N WGS84. 1981 Comment
  CAS-BOT-BC118936  Carex pellita W. R. Dudley 1905-8-3 s.n. Siskiyou Upper Sacramento below Weed and Sheldon Hill. Comment
  CAS-BOT-BC118573  Carex praegracilis Alice Eastwood; John Thomas Howell 1936-6-13 2748 Siskiyou 6 miles N of Weed Comment
  CAS-BOT-BC118777  Carex preslii John Thomas Howell 1939-8-2 14907 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC30670  Carex preslii Frederick W. Oettinger 1969-9-3 1620 Siskiyou Marble Mtn. Wilderness Area, Shasta Ridge below English Peak 1890 Comment
  SEINET7573860 Image available Carex rossii Barbara L. Wilson 1996-6-22 8165 Siskiyou Shasta-Trinity National Forest, Castle Lake Campground near Castle Lake. 1524 Comment
  HSC30528  Carex scopulorum Frederick W. Oettinger 1969-8-19 1455 Siskiyou Marble Mtn. Wilderness Area, Abbott's Basin 1905 Comment
  RSA238967  Carex scopulorum Frederick W. Oettinger 1968-9-9 804 Siskiyou Tom s Lake lower meadow. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  RSA238968  Carex scopulorum Frederick W. Oettinger 1968-9-5 710 Siskiyou At south end of Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2072 Comment
  CHSC62596  Carex scopulorum var. bracteosa L. P. Janeway 1993-8-30 4562 Siskiyou West side of Cedar Lake; head of South Fork Sacramento River. 1741 Comment
  HSC85804  Carex scopulorum var. bracteosa L. P. Janeway 1983-8-6 509 Siskiyou Poker Flat 1524 Comment
  CAS-BOT-BC117248  Carex spectabilis John Thomas Howell 1937-7-24 13432 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC117251  Carex spectabilis John Thomas Howell 1937-7-25 13480 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  UC1190189  Carex spectabilis Ira L. Wiggins 1955-7-27 13549 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC26706  Carex spectabilis William J. Ferlatte 1971-9-18 1379 Siskiyou Caribou Basin, Sawtooth Ridge 2256 Comment
  RSA238963  Carex spectabilis Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1259 Siskiyou Lower pond, Tom s Lake Region. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA238964  Carex spectabilis Frederick W. Oettinger 1969-9-4 1659 Siskiyou Tom s lower pond near Tom s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  SEINET4292102 Image available Carex straminiformis L. Janeway, Castro, B 2007-1 9140 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, very steep north-facing slope near the top of the north-west-trending shoulder. Open exposed slope above theforest of mountain hemlock and red fir. Comment
  HSC76809  Carex straminiformis L. P. Janeway 1982-8-13 120 Siskiyou N edge of Bear Creek and next to small creeklet joining Bear Creek 1555 Comment
  CAS-BOT-BC115835  Carex subfusca John Thomas Howell 1937-7-29 13626 Siskiyou Scott Mt. between Trinity and Siskiyou Cos. Comment
  HSC38962  Carex subfusca D. H. Norris May 1970 12268 Siskiyou Haypress Meadows, Marble Mtn. Wilderness Area Comment
  HSC39252  Carex subfusca J. O. Sawyer 1969-7-12 1349 Siskiyou Edge of Sugar Lake 1799 Comment
  POM211462  Carex subfusca L. C. Wheeler 1934-7-2 2841 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts. 1280 Comment
  CAS-BOT-BC115278  Carex utriculata John Thomas Howell 1939-8-9 15197 Siskiyou Sky High Valley, Marble Mts. Comment
  CAS-BOT-BC115162  Carex vesicaria Edward Lee 1934-8-13 1075 Siskiyou Happy Camp-Waldo (Oregon) Road. Watershed of W Branch of Indian Creek. 1371 Comment
  UC1190148  Cassiope mertensiana Ira L. Wiggins 1955-7-29 13570 Siskiyou Caribou L. Salmon-Trinity Alps Primitive Area (pass at sw end) 2072 Comment
  JEPS84218  Cassiope mertensiana subsp. californica L. R. Heckard with J. Hickman et al. 1986-7-17 6466 Siskiyou Trail up Kangaroo Peak, S of Lily Pad Lake, ca 5mi N of the town of Seiad Valley 2011 Comment
  HSC29628  Cassiope mertensiana subsp. ciliolata Frederick W. Oettinger 1967-7-8 163 Siskiyou Marble Mountain Wilderness Area, High Lake Basins, near Big Blue Lake 2104 Comment
  SEINET9299579  Castilleja applegatei Unknown 2009-5-31 Siskiyou High elevation, semi-arid desert ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  HSC91232  Castilleja applegatei subsp. pinetorum Jennifer Whipple 1977-7-20 2007 Siskiyou N slopes of Mt. Eddy 2287 Comment
  JEPS46073  Castilleja applegatei subsp. pinetorum L. R. Heckard and R. Bacigalupi 1966-6-20 1527 Siskiyou about 2 mi ssw Black Butte (about 4 mi nw of Mt. Shasta, Ed Stuhl residence) 1158 Comment
  RSA749205  Castilleja applegatei subsp. pinetorum K. M. Meyer, A. Townesmith 2007-8-2 182 Siskiyou Shasta-Trinity National forest. 0.1 mi. on Forest Service Rd. 43N21, 12.5 mi on Hwy. 97, east side of road 1218 Comment
  SBBG6729  Castilleja applegatei subsp. pinetorum H. and M. Dearing 1938-6-29 2196 Siskiyou side of Mt Shasta 1219 Comment
  UC1238992  Castilleja applegatei subsp. pinetorum Freed W. Hoffman 1948-7-8 2587 Siskiyou 7.5 mi n West Branch Camp (Waldo-Happy Camp Road); North Coast Ranges 1402 Comment
  CAS-BOT-BC243760  Castilleja applegatei var. pinetorum Annie M. Alexander; Louise Kellogg 1949-7-22 5845 Siskiyou Top of ridge, trail to Kings Castle, Paradise Lake, Marble Mountains 1920 Comment
  CAS-BOT-BC243749  Castilleja applegatei var. pinetorum Wm. Bridge Cooke 1940-6-27 15195 Siskiyou In the Lava Park along the old logging road leading south up the north side of the mountain from Hotlum Station, Mount Shasta 1524 Comment
  JEPS3870  Castilleja arachnoidea W. L. Jepson 1940-6-27 20034 Siskiyou e slope Mt. Shasta 1828 Comment
  SEINET13737231  Castilleja arachnoidea G. D. Butler 1910-7-8 1684 Siskiyou Shackleford Creek. 1829 Comment
  UC725615  Castilleja arachnoidea A. A. Heller 1940-7-25 15770 Siskiyou about Horse Camp; Mt. Shasta 2438 Comment
  HSC61963  Castilleja arachnoidea Al Hobart Siskiyou Preston Peak Comment
  CDA18397  Castilleja lacera G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-21 2784 Siskiyou Klamath Ranges; Yreka, behind (west of ) Motel 6, southside of town, north of Greenhorn Creek Road. 2194 Comment
  JEPS14712  Castilleja lacera Rimo Bacigalupi with Lincoln Constance and M. Hiroe 1956-6-9 5694 Siskiyou 1.5 mi n Weed (along U.S. Highway 99); Shasta Valley Comment
  SJSU11530  Castilleja lacera M. D. Fleschner 1965-7-9 Siskiyou 4 mi W of Deadhorse Summit on Hwy 89 c. 3 mi SE of Bartle 1158 Comment
  HSC58883  Castilleja miniata Butler 1971-7-19 147 Siskiyou Near El Capitan, close to Cave Junction 1524 Comment
  HSC69304  Castilleja miniata Maralyn A. Renner 1980-7-24 1985 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  JEPS19007  Castilleja miniata Barbe 1957-7-13 374 Siskiyou Big Flat Public Camp; Klamath National Forest 1524 Comment
  JEPS84014  Castilleja miniata L. R. Heckard with J. Hickman et al. 1986-7-17 6509 Siskiyou n slope Condrey Mt. 1960 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
  SBBG6812  Castilleja miniata subsp. miniata H. and M. Dearing 1939-7-2 Siskiyou near Salmon Mtn Comment
  CHSC75630  Castilleja pilosa Vernon H. Oswald; Kenneth Beatty 1999-6-27 9791 Siskiyou Northeast of Grass Lake and south of Juanita Lake on FR 45N20 between Hwy. 97 and Martin Dairy Campground. Comment
  CAS-BOT-BC32645  Castilleja pinetorum var. fragilis Charles Fuller Baker 1903-8-14 s.n. (= no. 3883 of C.F. Baker's distribution) Siskiyou Sisson, N. Cal. Comment
  HSC19019  Castilleja pruinosa J. O. Sawyer 1969-7-9 1243 Siskiyou W facing slope above Bingham Lake 2317 Comment
  JEPS46074  Castilleja pruinosa L. R. Heckard, and R. Bacigalupi, Ed Stuhl 1966-6-20 1526 a Siskiyou n side Mt. Shasta (along Bolam logging road) 1828 Comment
  CHSC1700  Castilleja schizotricha V. Holt 1943-8-9 Siskiyou Marble mountains. 1828 Comment
  JEPS84013  Castilleja schizotricha L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6344 Siskiyou ca 7 mi nne Seiad Valley (ca 0.5 mi se of Red Butte, sw of Cook and Green Pass, e of road) 1730 Comment
  UCR40075  Castilleja schizotricha K. T. Stillman 1976-7-7 168 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  SEINET269404 Image available Castilleja tenuis Richard J. Shaw 1963-6-11 1285 Siskiyou Along old highway 99 2 miles north of Weed 1067 Comment
  HSC103023  Catalpa bignonioides J. P. Smith 2014-6-6 13880 Siskiyou Seiad Valley 417 Comment
  HSC103024  Catalpa bignonioides J. P. Smith 2014-6-6 13882 Siskiyou Along State Route 96, east of its junction with Dutch Creek Road, along bank of the Klamath River 589 Comment
  CAS-BOT-BC48654  Ceanothus cordulatus Alice Eastwood 1912-7-20 s.n. Siskiyou Sisson Comment
  RSA25623  Ceanothus cordulatus Carl B. Wolf 1941-7-25 11072 Siskiyou 2 miles E of McCloud on Hwy 89 1220 Comment
  CDA36032  Ceanothus cordulatus CDFA Staff 1977-9-1 Siskiyou Lake Siskiyou. 0 Comment
  UC585100  Ceanothus cuneatus var. cuneatus E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1893 Siskiyou ca 2 mi s Yreka 822 Comment
  CAS-BOT-BC63650  Ceanothus integerrimus John Thomas Howell 1934-7-4 12393 Siskiyou SE. corner of Siskiyou Co. Comment
  UC18347  Ceanothus integerrimus T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC80020  Ceanothus integerrimus T. S. Brandegee July 1889 Siskiyou Sisson's Comment
  RSA25704  Ceanothus integerrimus var. macrothyrsus Carl B. Wolf 1941-7-26 11079 Siskiyou Sacramento River Canyon, 1 mile below Dunsmuir. 671 Comment
  JEPS19771  Ceanothus prostratus Rimo Bacigalupi with S. Galen Smith 1957-6-26 5957 Siskiyou e shore of Gumboot Lake, head of South Fork Sacramento River, close to Trinity Co. line 1859 Comment
  JEPS60237  Ceanothus prostratus L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2291 Siskiyou Mt. Shasta, NW side, along US 97, 0.7 mi S of Bolam road junction Comment
  JEPS89111  Ceanothus tomentosus L. N. Lorenzen 1920-6-9 Siskiyou Sisson 1127 Comment
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May 9 2008
  CAS-BOT-BC63156  Ceanothus velutinus Miss Kilbourn 1923-7-1 1214 Siskiyou Near Sisson. Comment
  RSA398981  Ceanothus velutinus Bonnie C. Templeton 1960-6-16 8544 Siskiyou Between Bartle and McCloud Comment
  UC1483459  Ceanothus velutinus Maralyn A. Renner 1980-7-23 1921 Siskiyou Pacific Crest Trail on w side Upper Devils Peak; Klamath National Forest, Seiad Valley Quad. 1767 Comment
  UC163728  Ceanothus velutinus Geo. D. Butler 1909-6-22 904 Siskiyou foothills Goosenest Mountain; foothills of Goosenest Mountain Comment
  UC527341  Ceanothus velutinus C. B. Wolf 1931-9-3 2395 Siskiyou on road from Mt. Shasta City to McCloud 1 mi w Summit of Grade; road from Mt. Shasta City to McCloud 1219 Comment
  CAS-BOT-BC52843  Ceanothus velutinus var. velutinus Doris K. Kildale 1929-7-20 8709 Siskiyou Raspberry Lake, near east spur Preston Peak Comment
  CDA21355  Centaurea pratensis L. Wehmeyer 2001-11-7 s.n. Siskiyou Jct of W Ream and WA Barr Rd. in Mt. Shasta. 0 Comment
  SEINET10798231  Centaurea solstitialis Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-1 Conrad 6970 Siskiyou East facing slope of road cut at the north edge of Hornbrook. 732 Comment
  OBI55419  Centaurea stoebe subsp. micranthos David J. Keil 1992-7-20 23500 Siskiyou Klamath NF, SW of Fort Jones. 1 mi N of Kelsey crk along Scott River Rd 800 Comment
  HSC76692  Cerastium arvense K. T. Stillman 1976-8-7 209 Siskiyou Marble Mtn. Wilderness Area. 1951 Comment
  CAS-BOT-BC384983  Cerastium dichotomum T. C. Fuller 1962-5-18 8746 Siskiyou B. M. Long prop., Little Shasta Rd., 5 mi. e. of Montague Comment
  UCD97999  Cerastium dichotomum T. C. Fuller 1962-5-18 8475 Siskiyou B. M. Long prop., Little Shasta Road, 5 miles east of Montague. 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
  HSC71542  Cercis occidentalis J. P. Smith, Steve Selva 1970-6-15 3948 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  UC15101 Image available Cercis occidentalis Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
  CAS-BOT-BC147684  Cercocarpus betuloides var. betuloides Geo. D. Butler 1910-5-30 1435 Siskiyou Humbug Mountain 1066 Comment
  CAS-BOT-BC148516  Cercocarpus ledifolius var. ledifolius John Thomas Howell 1937-7-25 13467 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC148527  Cercocarpus ledifolius var. ledifolius Louis C. Wheeler 1934-9-5 3246 Siskiyou Summit of Sterling Mt. - Siskiyou Mts. 2127 Comment
  UC466591  Cercocarpus ledifolius var. ledifolius Annie M. Alexander and Louise Kellogg 1911-6-27 163 Siskiyou Wildcat Peak 2194 Comment
  UC1286473  Chaenactis douglasii var. douglasii W. B. and V. G. Cooke 1965-7-12 35192 Siskiyou along Bolam Road Mt. Shasta 1706 Comment
  UC456030  Chaenactis douglasii var. douglasii I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat; Mt. Bradley 1524 Comment
  UC54083  Chaenactis douglasii var. douglasii H. M. Hall and E. B. Babcock 1903-6-1 4117 Siskiyou Mount Shasta, at n base Sierra Nevada Mountains, Mount Shasta 1524 Comment
  HSC42228  Chaenactis suffrutescens J. Mastrogiuseppe 1974-9-2 177 Siskiyou Siskyou/Trinity County line; Red Rock Mtn. 2256 Comment
  UC1220371  Chaenactis suffrutescens Arthur S. Weston 1963-7-6 1005 Siskiyou 4 mi n of Cecilville (road from Sawyer's Bar to Cecilville) 1219 Comment
  UC34677 Image available Chaenactis suffrutescens J. G. Lemmon Siskiyou Head-waters Sacramento River Sacramento River; headwaters of the Sacramento River Comment
  UC584274  Chaenactis suffrutescens G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2440 Siskiyou 1 to 3 mi s of Greenview (along w side of Scott Valley); Scott Valley 853 Comment
  HSC67707  Chamaecyparis lawsoniana John Palmer 1980-7-24 607 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC69224  Chamaecyparis lawsoniana Maralyn A. Renner 1980-8-31 2620 Siskiyou Twin Valley. 1494 Comment
  CHSC4549  Chamaesaracha nana J. E. Bowlin 1967-7-18 54 Siskiyou On bank beside the road, 3.9 mi w of Mount Shasta Ski Bowl. 2133 Comment
  HSC43153  Chamaesyce glyptosperma Ken Stillman 1976-8-24 430 Siskiyou Along the Klamath River at Williams Point 366 Comment
  UC1034062  Chamaesyce serpyllifolia W. Bridge Cooke 1941-9-5 16258 Siskiyou along Memorial Hwy; Mount Shasta 1371 Comment
  CAS-BOT-BC165977  Chamerion angustifolium Laura M. Lathrop 1903-7-10 s.n. Siskiyou Shasta Retreat Comment
  UC61178  Chamerion angustifolium subsp. circumvagum W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC68206  Cheilanthes gracillima Mrs. H. C. Cantelow 1936-5-20 1379 Siskiyou Summit of Salmon Mt. 1818 Comment
  UC2026485  Cheilanthes gracillima Louis C. Wheeler 1958-8-21 7413 Siskiyou Siskiyou Mountains. Lily Pad Lake. Comment
  UCR101226  Cheilanthes gracillima L. C. Wheeler 1958-8-21 7413 Siskiyou Siskiyou Mountains, Lily Pad Lake, head W Fork Seiad Creek 1820 Comment
  CAS-BOT-BC68242  Cheilanthes gracillima Gilbert Muth 1965-8-6 s.n. Siskiyou Trail to backside of Blk Mt. Comment
  RSA120811  Cheilanthes gracillima G. D. Barbe 1955-7-9 156 Siskiyou South side of Kangaroo Lake, Scott Mountains 1829 Comment
  RSA478566  Chenopodium vulvaria L. C. Wheeler 1934-9-18 3277 Siskiyou Siskiyou Mts. Dutch Creek off Klamath River 701 Comment
  JEPS74520  Chimaphila menziesii W. J. Ferlatte 1966-8-3 270 Siskiyou S. Fork Salmon R. between campground and Carter's; Trinity Alps, S. Fork Salmon R. 1524 Comment
  UCR90894  Chimaphila menziesii 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
  RSA238329  Chimaphila menziesii Frederick W. Oettinger 1969-8-5 417 Siskiyou Forest on s. side Charmaine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC19323  Chimaphila umbellata J. O. Sawyer 1968-6-25 339 Siskiyou 1646 Comment
  POM230559  Chimaphila umbellata subsp. occidentalis J. T. Howell 1937-7-26 13559 Siskiyou Caribou Gulch. Comment
  POM146273  Chimaphila umbellata subsp. occidentalis J. B. Feudge 1927-7-22 1728 Siskiyou Trail to Mt. Eddy. 1128 Comment
  CAS-BOT-BC36247  Chrysolepis sempervirens John Thomas Howell 1937-7-26 13545 Siskiyou Caribou Gulch Comment
  HSC2234  Chrysothamnus viscidiflorus subsp. viscidiflorus Geo. D. Butler 1910-7-20 1731 Siskiyou Goosenest 1524 Comment
  UC750566  Chrysothamnus viscidiflorus subsp. viscidiflorus Lewis S. Rose 1941-8-28 41427 Siskiyou Dorris 1291 Comment
  HSC19053  Cinna latifolia J. O. Sawyer 1969-8-4 1861 Siskiyou Slope SW of Sugar Lake 2195 Comment
  HSC30596  Cinna latifolia Frederick W. Oettinger 1968-9-2 663 Siskiyou Marble Mountain Wilderness Area, base of cliffs, SW of Upper English Lake 1875 Comment
  HSC19004  Circaea alpina subsp. pacifica J. O. Sawyer 1968-7-22 558 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  RSA264971  Circaea alpina subsp. pacifica G. L. Clifton 1975-7-28 7199 Siskiyou Near Cook and Green Pass near the Seiad Valley. 1646 Comment
  UC1495339  Circaea alpina subsp. pacifica Robert T. Clausen and Harold Trapido 1940-7-26 4951 Siskiyou e. side of canyon of Mud Creek; S. Cascade Mts., Sacramento R. Basin, Mt. Shasta 1584 Comment
  HSC68166  Cirsium andersonii J. P. Smith, Steve Selva 1970-7-27 4524 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  CDA1186  Cirsium cymosum T. C. Fuller 1962-5-17 8738 Siskiyou Gazelle; 3.5 mi. south on east side of Hwy 99. 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
  HSC92673  Cirsium douglasii var. breweri Jennifer Whipple 1977-8-6 2207 Siskiyou Klamath Mtns., SW of Dobkins Lake along drainage into the lake 2104 Comment
  CDA21701  Cirsium ochrocentrum subsp. ochrocentrum T. C. Fuller 1979-10-3 20272 Siskiyou 1.6 km south of Tecnor, Red Rock Valley, southeast of Macdoel. 0 Comment
  HSC152  Cirsium remotifolium William J. Ferlatte 1966-8-3 263 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's. 1524 Comment
  CAS-BOT-BC288766  Cirsium remotifolium Thomas W. Nelson; Jane P. Nelson 1980-7-19 6197 Siskiyou Coffee Creek Quad. Along FS Road 39N01 ca 1 mile from junction with FS Rd 39N01 365 Comment
  CAS-BOT-BC288779  Cirsium remotifolium E. K. Balls 1949-7-10 13959 Siskiyou 8 miles from Sawyer's Bar on road to Cecilville 792 Comment
  CDA1555  Cirsium remotifolium var. odontolepis D. H. Shaw & J. R. Keck 1977-7-19 s.n. Siskiyou Big Flat Campground, end of Coffee Creek Rd., Salmon- Trinity Primitive Area. Klamath National Forest Comment
  CAS-BOT-BC228983  Cistanthe umbellata John Thomas Howell 1939-8-2 14866 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  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
  CAS-BOT-BC163462  Clarkia purpurea subsp. quadrivulnera Freed W. Hoffman 1948-7-7 2416 Siskiyou Callahan 1005 Comment
  HSC181  Clarkia rhomboidea William J. Ferlatte 1967-6-29 567 Siskiyou Along the Yellow Rose Mine Trail 1677 Comment
  HSC74863  Clarkia rhomboidea J. P. Smith, Jennifer Whipple 1978-7-2 9983 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  POM32374  Clarkia rhomboidea Geo. D. Butler 1910-5-30 1436 Siskiyou Near Hawkinsville Comment
  CAS-BOT-BC439104  Claytonia cordifolia Annie M. Alexander; Louise Kellogg 1949-7-24 5870 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  UCD100501  Claytonia cordifolia J. P. Smith; Steve Selva 1970-6-16 4055 Siskiyou 8 miles west of Etna on road to Sawyers Bar. 1371 Comment
  RSA299446  Claytonia parviflora J. P. Smith 1973-5-5 6523 Siskiyou Scott Bar along the Scott River. Comment
  CAS-BOT-BC439627  Claytonia parviflora subsp. parviflora J. H. Thomas 1949-6-16 951 Siskiyou 1/4 miles north of Beaver Creek Public Camp, along Beaver Creek; 5 miles north of junction of Beaver Creek and Klamath River; Klamath National Forest. Comment
  SEINET7042820  Claytonia perfoliata A. G. Vestal 1955-5-16 s.n. Siskiyou Open pine country just west of Weed between railroad and highway 99 [I5]. Weed quadrangle UTM Zone 10, 549920mE, 4586493mN. Comment
  CAS-BOT-BC443824  Claytonia rubra subsp. rubra A. A. Heller 1905-6-1 7924 Siskiyou Between/near Dunsmuir and Upper Soda Spring Comment
  HSC22226  Claytonia rubra subsp. rubra J. O. Sawyer 1969-7-1 991 Siskiyou Above Paynes Lake Creek 1951 Comment
  UC452678  Claytonia sibirica Dr. E. B. Copeland 1903-8-13 3891 Siskiyou Sisson 1066 Comment
  RSA464446  Claytonia sibirica M. B. Dunkle 1944-6-25 9003 Siskiyou Beaver Creek. (Coastal Northern California). 1677 Comment
  RSA239285  Clematis ligusticifolia Frederick W. Oettinger 1966-7-16 32 Siskiyou N bank of S Fork of Salmon river, 100 yards downstreaam from Cecilville dump Comment
  CAS-BOT-BC500957  Clintonia uniflora L. E. Smith 1913-9-1 s.n. Siskiyou Mount Eddy Comment
  UCSB18255  Collinsia linearis Breedlove, Dennis 1962-6-10 Siskiyou on roadbank along Indian Creek Road; 11.7 miles northwest of Happy Camp; Siskiyou Mountains 594 Comment
  HSC29393  Collinsia linearis Brad Klipfel 1969-7-11 978 Siskiyou Due W of NW end of Hancock Lake 1951 Comment
  JEPS23806  Collinsia linearis Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7315 Siskiyou jeep rd between Poker Flat and Twin Valley between Poker Flat and Twin Valley, (ridge top marking Del Norte-Siskiyou County line); Siskiyou Mtns 1664 Comment
  JEPS3897  Collinsia sparsiflora var. collina George D. Butler 1909-4-4 574 Siskiyou e of Yreka; Shasta Valley Comment
  RSA237555  Collinsia torreyi var. latifolia Frederick W. Oettinger 1969-7-15 1028 Siskiyou South of Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  JEPS5107  Collinsia torreyi var. wrightii Annie M. Alexander and L. Kellogg 1911-6-28 206 Siskiyou Wildcat Pk 2194 Comment
  RSA238791  Collomia grandiflora Frederick W. Oettinger 1969-7-27 1078 Siskiyou northwest of Little English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  SBBG30599  Collomia tinctoria D. Myrick 1968-6-25 2023 a Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  UC1191641  Collomia tinctoria Herbert L. Mason 1948-7-17 13596 Siskiyou hills near Grass Lake Comment
  UC971918  Collomia tinctoria Herbert L. Mason 1950-7-16 14054 Siskiyou road from Happy Camp CA to Waldo Oregon Comment
  RSA240080  Collomia tracyi Frederick W. Oettinger 1969-8-12 1337 Siskiyou Along Main, North Fork Trail, between Yellow Dog Creek and Abbott's Lower Cabin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  SEINET516295  Conium maculatum Vernon H. Oswald 1998-9-16 9644 Siskiyou Vista Point on Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 8.7 mi E of Hwy. 97. 1244 Comment
  HSC494  Corallorhiza mertensiana William J. Ferlatte 1966-6-22 84 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  SJSU2576  Corallorhiza mertensiana H. L. Buckalew 1962-7-7 Siskiyou Poker Flat c. 3 mi W of junction of Indian Creek with W Branch of Indian Creek 1066 Comment
  SEINET3864279  Cordylanthus tenuis Barbara L. Wilson, R. E. Brainerd 2010-8-5 16220 Siskiyou Dunsmuir; Panorama Drive north of Interstate Highway 5 (I-5).; 0 774 Comment
  CAS-BOT-BC26796  Cordylanthus tenuis subsp. pallescens Francis Whittier Pennell 1940-7-18 26184 Siskiyou Route 99, 2--3 mi. N of Mount Shasta City 1158 Comment
  CHSC105587  Cordylanthus tenuis subsp. pallescens Barbara L. Wilson; Richard E. Brainerd 2010-8-3 16187 Siskiyou South of Black Butte, east of the dump, on Shasta-Trinity National Forest property; UTM zone 10T, 555437 east, 4577898 North. Comment
  CHSC105577  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-5 16221 Siskiyou Dunsmuir; road 1M036 (Railroad Park Road) across from the railroad museum. Lat and Long. indicated +/- 56 feet. 704 Comment
  RSA517292  Cordylanthus tenuis subsp. tenuis Barbara J. Ertter 1987-7-26 7325 Siskiyou 2.2 mi N of Scott Mt. summit on Hwy 3, at road junction.Half way down Old Priest Grade between Big Oak Flat and junction of Highways 120 and 49, ca. 35 airmiles E of Modesto. 1372 Comment
  JEPS57396  Cordylanthus tenuis subsp. viscidus L. R. Heckard with T. I. Chuang 1968-7-2 1971 Siskiyou n side Mt. Shasta (along Bolam logging road at e-w fork) 1463 Comment
  SEINET13682628  Cordylanthus tenuis subsp. viscidus B. L. Wilson, R. E. Brainerd 2010-8-3 16192 Siskiyou Shasta-Trinity NF, along FR 40N43 W of Lake Siskiyou, at first creek crossing W of junction with road 26. 1063 Comment
  HSC77490  Cordylanthus tenuis subsp. viscidus L. P. Janeway 1983-8-3 483 Siskiyou Near W Branch USFS Station 671 Comment
  RSA0019560  Cornus californica C. B. Wolf 1934-7-6 5988 Siskiyou 3 mi. from Mt. Shasta City on Wagon Camp Road. SW slope of Mt. Shasta. 1220 Comment
  CAS-BOT-BC212279  Cornus glabrata C. Hart Merriam 1907-9-24 s.n. Siskiyou Ager Comment
  UC1280736  Cornus glabrata H. E. McMinn 1931-6-26 2511 Siskiyou near Dunsmuir Comment
  UC165258  Cornus glabrata Geo. D. Butler 1908-7-1 89 Siskiyou Yreka Creek Comment
  UC165401  Cornus glabrata Geo. D. Butler 1910-5-22 1385 Siskiyou Yreka Creek Comment
  CAS-BOT-BC212069  Cornus nuttallii Elmer I. Applegate 1895-5-29 224 Siskiyou Sisson, west base of Mount Shasta Comment
  HSC65097  Cornus nuttallii J. P. Smith 1973-5-5 6466 Siskiyou Along Cook and Green Pass Rd. Comment
  UC637143  Cornus nuttallii Edward Lee 1934-8-11 1029 Siskiyou e. end Seiad Valley (Walker Creek); e. end Seiad Valley, Walker Creek (tributary of Klamath R.) 609 Comment
  CAS-BOT-BC210400  Cornus sericea W. R. Dudley 1899-8-8 s.n. Siskiyou Near Big Spring - Sisson Comment
  CAS-BOT-BC210424  Cornus sericea John Thomas Howell 1939-8-3 14978 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC210471  Cornus sericea subsp. occidentalis Geo. D. Butler 1910-6-4 1490 Siskiyou Shackleford Creek Comment
  UC165402  Cornus sericea subsp. sericea Geo. D. Butler 1910-6-4 1490 Siskiyou Shackleford Creek Comment
  RSA397707  Cornus stolonifera B. C. Templeton 1960-6-21 8557 Siskiyou 2 miles below the summit of Scott Mt. Comment
  CAS-BOT-BC180195  Corylus cornuta subsp. californica Wm. Bridge Cooke 1940-7-12 15308 Siskiyou along creeks near the Box Canyon of the Sacramento River near Mount Shasta 914 Comment
  CAS-BOT-BC180205  Corylus cornuta subsp. californica A. A. Heller 1915-7-18 12128 Siskiyou Metaclf's ranch, NE base of Mt. Eddy 1371 Comment
  POM106651  Corylus cornuta var. californica Geo. D. Butler 1908-3-2 1076 Siskiyou Forest House Mountain. Comment
  JEPS109232  Crataegus monogyna Dean W. Taylor 2004-7-19 19184 Siskiyou Weed, wet meadow just east of town limits along Boles Creek 1051 Comment
  OBI80265  Crepis acuminata David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 518 Comment
  CAS-BOT-BC290479  Crepis acuminata Elmer I. Applegate 1932-6-13 7241 Siskiyou Captain Jack's Stronghold, Modoc Lava Beds National Monument Comment
  UC581200  Crepis occidentalis E. B. Babcock and G. L. Stebbins 1936-6-11 1901 Siskiyou about 7 mi sw Yreka (s of hwy from Yreka to Fort Jones); Forest House Mt. 1363 Comment
  UC581300  Crepis occidentalis G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2441 Siskiyou stream bank 2 1/2 mi ne Fort Jones (along hwy to Yreka) 850 Comment
  HSC29229  Crepis occidentalis subsp. conjuncta Frederick W. Oettinger 1969-8-15 1385 Siskiyou High Lake Basins near English Peak, Marble Mtn. Wilderness Area; W of Upper English Lake 1784 Comment
  CAS-BOT-BC290878  Crepis pleurocarpa Alice Eastwood 1921-7-24 10780 Siskiyou Castle Lake Comment
  JEPS16944  Crepis pleurocarpa Peter H. Raven 1956-9-4 10396 Siskiyou pass just s Mount Eddy 2438 Comment
  JEPS103793  Crocidium multicaule Martin J. Lenz 2003-5-12 7 Siskiyou Schulmeyer Gulch, 7 mi S of Yreka 1105 Comment
  UCD105963  Cryptantha Jesse Miller 2010-1 s.n. Siskiyou Near Yreka.. 1219 Comment
  SBBG25872  Cryptantha affinis D. Myrick 1966-8-12 1546 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  UC1731387  Cryptantha milobakeri Dean Wm. Taylor with Joe Molter 1998-6-17 16560 Siskiyou base of hillslopes ca. 3 mi s Gazelle (bordering Shasta Valley (ca. 14 air mi s <of> Yreka)); Klamath Region, Scott Mountains 1036 Comment
  UC1199975  Cryptantha torreyana Roy L. Taylor 1960-6-11 4435 Siskiyou 1.5 mi nw Weed (on Highway 99) Comment
  NY335192  Cryptantha trifurca E. B. Copeland 1903-7-5 3550 Siskiyou Klamathon Comment
  POM120358  Cryptogramma acrostichoides Geo D. Butler 1910-7-12 1755 Siskiyou Shackleford Creek 1372 Comment
  CAS-BOT-BC80543  Cupressus bakeri Oliver V. Matthews 1939-7-3 19 Siskiyou Sullivan Mine Grove; Cook and Green Region 1219 Comment
  RSA22769  Cupressus bakeri O. V. Matthews 1939-7-18 37 Siskiyou Northeast Goose Nest. East of Yreka 1524 Comment
  SEINET10531420  Cupressus bakeri Carl B. Wolf 1934-10-8 Wolf 2128 Siskiyou Modoc lava beds, 1 mi N.E. of timbered crater on Old Stage road from Dana to Little Hot Springs Valley. Arid transition:- Yellow Pines Sun. Lava Roack. 1220 Comment
  POM215887  Cupressus macnabiana L. C. Wheeler 1935-4-14 3417 Siskiyou Siskiyou Mountains: West Fork Seiad Creek. (Mt. Diablo Mer.) 1159 Comment
  UC1618394  Cuscuta occidentalis Barbara Ertter 1987-7-26 7326 Siskiyou 2.2 mi n of Scott Mountain (summit on Hwy 3, at road junction); summit on Hwy 3 1371 Comment
  UC572799  Cycladenia humilis var. humilis unknown 1937-9-3 9340 Siskiyou Mt. Shasta Comment
  SD60190  Cymopterus terebinthinus var. californicus A. A. Heller 1928-6-9 14597 Siskiyou On Spring Hill near Sisson. Comment
  HSC28081  Cymopterus terebinthinus var. californicus J. D. Ackerman, A. Montalvo 1973-7-27 109 Siskiyou Along Sacramento River near Mt. Shasta City Comment
  POM72146  Cynoglossum grande Geo. D. Butler 1909-4-14 594 Siskiyou Humbug Road. Comment
  UC164152  Cynoglossum grande Geo. D. Butler 1909-4-14 594 Siskiyou Humbug rd. Comment
  CHSC96748  Cynoglossum officinale T. C. Fuller 1967-6-27 16034 Siskiyou In fencerow, w. side of rd. to McCloud Reservoir, 0.3 mi. s. of McCloud, Siskiyou Co. Comment
  RSA50165  Cypripedium montanum E. K. Balls 1949-7-10 13957 Siskiyou 5 miles from Sawyers Bar on road to Cecilville. 1220 Comment
  CAS-BOT-BC136477  Cypripedium montanum Clarence R. Quick 1958-6-17 58 -25 Siskiyou Field redacted by CAS, contact the data manager for more information 1356 Comment
  CDA39517  Cypripedium montanum D. Osterhandt 1979-6-1 s.n. Siskiyou Sawyers Bar. 0 Comment
  CAS-BOT-BC70719  Cystopteris fragilis Louis C. Wheeler 1934-7-5 2879 Siskiyou Klamath Forest, Deer Creek 1676 Comment
  CAS-BOT-BC70720  Cystopteris fragilis Gilbert Muth 1965-8-3 s.n. Siskiyou Pothole in Marble, Marble Valley Comment
  UC1183426  Cystopteris fragilis P. Quentin Tomich 1954-6-29 435 Siskiyou Silver Cave entrance Silver Cave; Lava Beds Nat'l Monument 1402 Comment
  CAS-BOT-BC192252  Danthonia californica Louis C. Wheeler 1934-7-2 2842 Siskiyou Klamath National Forest, Little Smoky Cr. 1280 Comment
  UC60432  Danthonia californica E. Palmer 1892-1 2666 Siskiyou near Mt. Shasta Comment
  UCD37076  Danthonia californica Beecher Crampton 1956-8-21 3807 Siskiyou Siskiyou County, 15 miles southwest of city of Mount Shasta, slope above Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  SEINET4566570  Danthonia californica E. Palmer 1892-1 2666 Siskiyou Near Mt. Shasta Comment
  CAS-BOT-BC76238  Darlingtonia californica Elmer I. Applegate 1895-5-28 25 Siskiyou Eighteenth crossing of the Sacramento River below Sisson. Comment
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Nov 6 2019
  HSC66361  Darlingtonia californica M. S. Taylor 1980-7-22 3171 Siskiyou 0.1 mi. SW of Big Carmen Lake, on S side of 40N08, 2.3 mi. NE of its junction with Hwy. 3 at Scott Mt. Summit. 1738 Comment
  UCD168828  Darlingtonia californica Barry Rice 2015-9-5 BR 150901 Siskiyou Slopes NE of Toad Lake. 2133 Comment
  JEPS49587  Darmera peltata Geo. D. Butler 1908-8-21 220 Siskiyou Etna Creek; Salmon road crossing 1219 Comment
  CHSC1459  Delphinium V. Holt 1943-8-14 Siskiyou Marble mountains. 1828 Comment
  RSA17735  Delphinium andersonii Elmer I. Applegate 1935-6-6 9354 Siskiyou N base of Caldwell Butte, Lava Beds National Monument Comment
  HSC65272  Delphinium depauperatum Rich White 1978-7-6 246 Siskiyou Pond above Elk Hole 1524 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
  POM99878  Delphinium glaucum Geo. D. Butler 1908-8-6 353 Siskiyou Whiskey Camp Independence Creek Comment
  CAS-BOT-BC9886  Delphinium nudicaule Elmer Ivan Applegate 1935-6-10 9484 Siskiyou South cinder slope of Caldwell Butte, Lava Beds National Monument Comment
  UC563986  Delphinium nudicaule Elmer I. Applegate 1935-6-6 9376 Siskiyou sw base Caldwell Butte; Lava Beds National Monument Comment
  CAS-BOT-BC9888  Delphinium nudicaule Elmer Ivan Applegate 1935-6-6 9376 Siskiyou South base of Caldwell Butte, Lava Beds National Monument Comment
  SEINET5338041  Delphinium nudicaule G. Butler 1910-5-7 1299 Siskiyou in thickets, dry hills near Yreks. Comment
  CAS-BOT-BC116154  Delphinium nuttallianum Alice Eastwood 1921-7-24 10744 Siskiyou Castle Lake Comment
  RSA238283  Delphinium nuttallianum Frederick W. Oettinger 1969-7-10 955 Siskiyou Base of cliff SW of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  RSA68853  Delphinium nuttallianum A. E. Culbertson 1943-6-26 103 Siskiyou Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. Comment
  HSC69177  Deschampsia cespitosa Maralyn A. Renner 1980-8-6 2336 Siskiyou Cracker Meadow 1555 Comment
  HSC92285  Deschampsia cespitosa Jennifer Whipple 1976-7-24 1534 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC520387  Deschampsia cespitosa subsp. cespitosa Dana York 2011-9-9 3098 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake 1985 Comment
  RSA758077  Deschampsia cespitosa subsp. cespitosa Barbara Ertter 1990-7-14 9320 Siskiyou East side of Mount Eddy about 4 air miles due west of Mount Shasta City, at streamlet near end of Forest Road 41N53, about 1 mile north of Morgan Meadows 1677 Comment
  UC815232  Deschampsia danthonioides Louis C. Wheeler 1934-6-22 2751 Siskiyou Cottonwood Creek Siskiyou Mts., Cottonwood Creek 914 Comment
  SEINET10834708  Deschampsia danthonioides A. Arthur Heller 1915-7-18 Heller 12120 Siskiyou Metcalf's ranch, base of Mt. Eddy. Douglas fir has replaces Jeffrey pine. Comment
  HSC101475  Deschampsia elongata J. P. Smith, J. O. Sawyer 2011-7-21 13040 Siskiyou Near Dillon Camp 1358 Comment
  HSC65587  Deschampsia elongata Donald W. Miles 1979-7-18 18 Siskiyou "Midway up Lookout Point, on short logging spur off of Medicine Lake Rd., 11 mi. N of Bartle." 1555 Comment
  RSA238405  Deschampsia elongata Frederick W. Oettinger 1969-8-16 136 Siskiyou Southwest of Wiregrass Meadow, Upper English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1707 Comment
  UC204770  Deschampsia elongata Geo. D. Butler 1910-7-13 1769 Siskiyou Shackleford Creek 1219 Comment
  UCD114786  Descurainia sophia A. A. Heller 1916-7-20 12463 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy in openings in the forest. 1188 Comment
  SDSU2980  Dianthus armeria subsp. armeria D. F. Howe 1977-7-2 4981 Siskiyou Scott River resort area. 610 Comment
  CAS-BOT-BC402219  Dicentra chrysantha Volney Rattan 1884-1-1 s.n. Siskiyou Road to Stony Creek down Black Butte Comment
  HSC61206  Dicentra formosa Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  UC61080  Dicentra formosa W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou The Bend, McCloud River; Mount Shasta, McCloud River Comment
  UC1190147  Dicentra formosa Ira L. Wiggins 1955-7-29 13576 Siskiyou between pass to Thompson Creek and Caribou Lake 1956 Comment
  UC35046  Dicentra formosa C. B. Bradley 1879-1 Siskiyou Comment
  POM186944  Dicentra formosa subsp. formosa Marcus E. Jones 1931-7-17 28940 Siskiyou Shasta City (Session's). Comment
  POM210949  Dicentra formosa subsp. formosa Louis C. Wheeler 1934-8-2 3013 Siskiyou Head of Jaynes Canyon. Siskiyou Mtns. 2043 Comment
  JEPS64177  Dichelostemma capitatum Geo. D. Butler 1909-4-13 Siskiyou near Yreka Comment
  CAS-BOT-BC500905  Dichelostemma capitatum Doris K. Kildale 1929-5-11 7767 Siskiyou Klamath River at Hornbrook Comment
  HSC44874  Dichelostemma multiflorum J. P. Smith, Steve Selva 1970-6-15 3944 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  CAS-BOT-BC500998  Dichelostemma multiflorum Geo. D. Butler 1910-5-18 1361 Siskiyou Yreka Comment
  CHSC4538  Dieteria canescens var. shastensis J. E. Bowlin 1967-7-18 51 Siskiyou Ca. 12 mi W of Mount Shasta Ski Bowl. 1066 Comment
  JEPS40709  Dieteria canescens var. shastensis W. L. Jepson 1940-7-1 20082 Siskiyou 6 mi e McCloud (Fowlers Camp); McCloud River 975 Comment
  UC991121  Dieteria canescens var. shastensis J. M. Tucker 1950-7-24 1949 Siskiyou 7.5 mi e McCloud (beside Highway 89) Comment
  CAS-BOT-BC290999  Dieteria canescens var. shastensis Wm. Bridge Cooke 1938-8-5 11439 Siskiyou Mount Shasta. MacBridge Spring Road Comment
  CAS-BOT-BC291014  Dieteria canescens var. shastensis Alice Eastwood 1912-9-1 2074 Siskiyou Horse Camp, Mount Shasta Comment
  CAS-BOT-BC136092  Dodecatheon alpinum Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Margin of Cedar Lake - Trinity Mts. 1828 Comment
  CHSC29778  Dodecatheon alpinum M. S. Taylor; W. Roderick, B. Williams 1980-6-4 2785 Siskiyou Bog around Cedar lake, peat mounds at lake edge. 1737 Comment
  HSC19278  Dodecatheon alpinum J. O. Sawyer 1968-6-25 325 Siskiyou Along Horse Range Creek 1829 Comment
  RSA238734  Dodecatheon alpinum Frederick W. Oettinger 1969-7-15 1029 Siskiyou On wet, cold, meadow at 'Bear Meadow' spring in saturated humus-located mid-way as the crow flies between Tom Taylor cabin and English Peak summit., The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  CHSC75743  Dodecatheon jeffreyi Vernon H. Oswald; Lowell Ahart 1999-7-5 9826 Siskiyou Summit of Hwy. 3 on Scott Mtn. southeast of Callahan. 1645 Comment
  HSC61802  Dodecatheon jeffreyi Ruby Van Deventer 13 Jun [year missing] Siskiyou Poker Flat 1585 Comment
  UC1199666 Image available Downingia bacigalupii John H. Weiler and A. P. Nelson 1960-6-24 60205 Siskiyou along Ager-Beswick Road 2.7 mi sw California-Oregon border; ; Siskiyou Co. 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
  HSC59900  Draba howellii D. L. Goforth 1979-7-19 248 Siskiyou Trinity Alps Wilderness Area, Caribou Lakes Basin, NW of upper lake 2134 Comment
  HSC61986  Draba howellii Al Hobart 18 Jun [year missing] Siskiyou Preston Peak Comment
  RSA237275  Draba howellii Frederick W. Oettinger 1968-8-24 630 Siskiyou above Tom s Lake and just below Crapo Peak. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  UC166132  Draba nemorosa Geo. D. Butler 1910-4-10 1162 Siskiyou near Yreka; near Yreka Comment
  CAS-BOT-BC41410  Draba verna John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53385 Siskiyou Yreka. 792 Comment
  RSA66145  Draba verna L. C. Wheeler 1935-4-18 3430 Siskiyou Greenhorn Creek, Siskiyou Mtns. (Mt Diablo Mer.) 1006 Comment
  CHSC62547  Drosera rotundifolia L. P. Janeway 1993-8-30 4566 Siskiyou West side of Cedar Lake; head of South Fork Sacram ... Field redacted by CHSC, contact the data manager for more information 1741 Comment
  UCD168827  Drosera rotundifolia Barry Rice 2015-9-6 BR 150902 Siskiyou East of Caldwell Fen. 2025 Comment
  UC642568  Drymocallis W. Bridge Cooke 1939-8-22 13829 Siskiyou along Horse Camp Creek; Mount Shasta, along Horse Camp Creek Comment
  HSC136  Drymocallis lactea var. lactea William J. Ferlatte 1966-6-22 92 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's. 1524 Comment
  HSC69253  Drymocallis lactea var. lactea J. O. Sawyer, J. Cole 1980-7-20 3724 Siskiyou Near USFS Rd. 45N05 in center of section 1890 Comment
  LA208033  Drymocallis pseudorupestris Wm. Bridge Cooke; 1940-7-26 15372 Siskiyou Mount Shasta, on the W side of Shastina, Hudesonian zone 2743 Comment
  CAS-BOT-BC113723  Eleocharis acicularis Louis C. Wheeler 1934-6-29 2827 Siskiyou Mucky, sunny meadow in Soda Creek, Sterling Mt. 1280 Comment
  HSC30717  Eleocharis bella Frederick W. Oettinger 1968-9-3 673 Siskiyou Marble Mtn. Wilderness Area, N side of Horse Range Lake 1822 Comment
  HSC91332  Eleocharis decumbens Jennifer Whipple 1978-10-6 2433 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC113106  Eleocharis obtusa Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar. Comment
  HSC77195  Eleocharis suksdorfiana L. P. Janeway 1983-8-16 556 Siskiyou Poker Flat 1524 Comment
  CAS-BOT-BC451556  Elodea canadensis Wm. Bridge Cooke 1940-6-20 15164 Siskiyou In the Klamath River along the Pacific Highway below Hornbrook. Comment
  RSA69474  Elodea nuttallii L. C. Wheeler 1934-6-3 2624 Siskiyou Cherry Flat, Klamath River; Siskiyou Mts. 518 Comment
  POM205576  Elyhordeum macounii E. B. Copeland 1903-7-4 3540 Siskiyou Klamathon Comment
  RSA184790  Elymus Gilbert Muth 1966-7-17 410 Siskiyou Ridge near lookout, Marble Mountains 2058 Comment
  CAS-BOT-BC227910  Elymus elymoides K. T. Stillman 1976-7-23 304 Siskiyou Marble Mountain Wilderness Area 2011 Comment
  UCD61575  Elymus elymoides R. Tofsrud 1948-8-1 Siskiyou Few mi. N. of Happy Camp. Comment
  UC1265446  Elymus elymoides subsp. elymoides Frederick W. Oettinger 1967-8-18 283 Siskiyou at junction of trail to English Peak and trail to Uncle's Lake (w Siskiyou Co., high lake basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2164 Comment
  HSC51628  Elymus glaucus Marvin Butler 1971-8-11 287 Siskiyou Near Marv's Meadow, close to the town of Cave Junction 2073 Comment
  RSA238401  Elymus glaucus Frederick W. Oettinger 1969-8-18 1423 Siskiyou North end of Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC206595  Elymus glaucus subsp. glaucus L. P. Janeway 1983-9-11 682 Siskiyou Poker Falt, Siskiyou Mountains 1524 Comment
  CAS-BOT-BC206614  Elymus glaucus subsp. glaucus Alice Eastwood 1912-7-15 1100 Siskiyou McCloud Comment
  HSC22166  Elymus glaucus subsp. glaucus J. O. Sawyer 1969-8-1 1646 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  CAS-BOT-BC235224  Elymus multisetus Geo. D. Butler 1909-5-25 823 Siskiyou Near Yreka Comment
  UC1666801  Elymus trachycaulus Geo. D. Butler 1909-6-28 850 Siskiyou along creek near Yreka Comment
  SEINET10554730  Elymus trachycaulus George D. Butler 1910-7-3 Butler 1624 Siskiyou Creek bed, Goose nest foothills. 1219 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
  CHSC61572  Elymus trachycaulus subsp. trachycaulus L. P. Janeway 1983-8-26 593 Siskiyou Siskiyou Mountains; at Poker Flat, meadow. 1524 Comment
  CAS-BOT-BC392232  Enemion stipitatum Louis C. Wheeler 1935-3-10 3371 Siskiyou Miller Gulch off Klamath River, Siskiyou Mts. 670 Comment
  HSC29169  Epilobium anagallidifolium Frederick W. Oettinger 1969-9-2 1595 Siskiyou Marble Mtn. Wilderness Area, N side of English Peak 2165 Comment
  JEPS89972  Epilobium anagallidifolium Dean W. Taylor 1975-8-14 5453 Siskiyou between Shasta Ski area and Green Butte (Mt. Shasta); Mt. Shasta 2590 Comment
  UC1408902  Epilobium brachycarpum Frederick W. Oettinger 1969-8-18 1429 Siskiyou Horse Range Lake Salmon Mountains, Marble Mountain Wilderness Area (w Siskiyou Co.) 1790 Comment
  CDA38058  Epilobium brachycarpum William J. Ferlatte 1985-8-29 s.n. Siskiyou Old Highway 99, 4.4 mile north of Stewart Springs Road, Gazelle. 0 Comment
  HSC69568  Epilobium ciliatum subsp. ciliatum Maralyn A. Renner 1980-8-6 2269 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  UC164294  Epilobium ciliatum subsp. ciliatum Geo. D. Butler 1910-6-22 1598 Siskiyou Yreka Creek Comment
  UC478987  Epilobium ciliatum subsp. ciliatum Marcus E. Jones, A. M. 1931-7-17 29035 Siskiyou Shasta City (Session's) Comment
  CDA38080  Epilobium ciliatum subsp. ciliatum Jennifer Whipple 1977-8-6 2242 Siskiyou Klamath Mountains; Dale Creek drainage on the north face of Mount Eddy. Comment
  UC422949  Epilobium glaberrimum subsp. glaberrimum Milo S. Baker 1899-7-31 Siskiyou e slope of mt Mt. Shasta (and Ash Creek) Comment
  HSC49640  Epilobium hallianum Steve Selva 1970-6-16 4038 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  POM251086  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1938-7-15 11257 Siskiyou Wagon Camp spring, Mt. Shasta. 1738 Comment
  POM259601  Epilobium lactiflorum J. T. Howell 1939-8-2 14868 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  UC1045238  Epilobium lactiflorum W. Bridge Cooke 1940-7-5 15291 Siskiyou along upper Wagon Camp Creek Mount Shasta Comment
  UCD106497  Epilobium lactiflorum Robert E. Preston 2001-7-21 1722 a Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, N slope of Rainbow Mountain. 2066 Comment
  HSC49637  Epilobium minutum J. P. Smith 1973-5-5 6521 Siskiyou Scott Bar along the Scott River Comment
  POM38546  Epilobium minutum Geo. D. Butler 1909-6-13 927 Siskiyou Moffitt Creek. Comment
  SD211642  Epilobium minutum Barbara Ertter 1990-7-14 9336 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4.0 miles west of Mt. Shasta City. 1829 Comment
  JEPS84343  Epilobium obcordatum L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6405 Siskiyou cirque at head of canyon Hell's Canyon (ca 5 mi n of town of Seiad Valley) 1750 Comment
  SEINET10632317  Epilobium oreganum Alice Eastwood 1921-7-30 Eastwood 10999 Siskiyou Soda Creek Comment
  UC4484  Epipactis gigantea C. B. Bradley 1879-1 Siskiyou Comment
  UC399180  Equisetum hyemale subsp. affine Geo. D. Butler 1909-6-22 877 Siskiyou Goosenest foothills Comment
  CHSC91391  Equisetum laevigatum Lowell Ahart; John Dittes 2005-6-10 12107 Siskiyou Steep slope, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CAS-BOT-BC168327  Eremogone congesta var. congesta Doris K. Kildale 1928-7-4 5483 Siskiyou Summit of divide between Sawyers Bar and Etna Comment
  HSC77340  Eremogone congesta var. congesta L. P. Janeway 1983-8-13 533 Siskiyou S side and above S Fork Indian Creek 1463 Comment
  CAS-BOT-BC286702  Ericameria bloomeri Elmer I. Applegate 1923-8-20 3899 Siskiyou Medicine Lake Comment
  CAS-BOT-BC286711  Ericameria bloomeri Geo. D. Butler 1910-8-7 1823 Siskiyou Humbug Mountains 1219 Comment
  CAS-BOT-BC58394  Ericameria bloomeri R. C. Wenk 2008-8-31 989 Siskiyou South Fork of Salmon River, Yellow Rose Mine above Big Flat Meadow. 1981 Comment
  CHSC71855  Ericameria bloomeri Vernon H. Oswald; Lowell Ahart 1998-9-8 9608 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. Roadside. 1127 Comment
  UC1223100  Ericameria bloomeri Joseph P. Tracy 1949-9-15 18557 Siskiyou near top, on road between Cecilville and Sawyer's Bar Blue Ridge 1584 Comment
  UC455819  Ericameria bloomeri I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 2133 Comment
  RSA13895  Ericameria greenei L. C. Wheeler 1934-8-24 3220 Siskiyou Trapper Creek. 1860 Comment
  CAS-BOT-BC298250  Ericameria nauseosa var. oreophila W. R. Dudley 1899-8-25 s.n. Siskiyou Gazelle Comment
  UC201306  Ericameria nauseosa var. oreophila A. A. Heller 1917-9-7 12978 Siskiyou 2 mi s of Grenada; Shasta Valley 914 Comment
  HSC35787  Ericameria nauseosa var. speciosa J. O. Sawyer 1968-9-13 759 Siskiyou Baldy Mtn. W of Happy Camp 1768 Comment
  JEPS94845  Ericameria nauseosa var. speciosa Vernon H. Oswald and Lowell Ahart 1998-9-16 9630 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near junction of Meiss Lake-Sams Neck Road and Highway 97); Butte Valley National Grassland 1295 Comment
  UC1223066  Ericameria nauseosa var. speciosa Joseph P. Tracy 1949-9-15 18560 Siskiyou Black Bear Mine; Salmon Mountains 1219 Comment
  UC726586  Ericameria parryi var. latior A. A. Heller 1927-8-1 Siskiyou Sisson Comment
  HSC68172  Erigeron aliceae J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5714 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  HSC61801  Erigeron aliceae Ruby Van Deventer 1939-7-19 Siskiyou Poker Flat 1585 Comment
  HSC76764  Erigeron aliceae K. T. Stillman 1976-9-9 495 Siskiyou Ridge above Paradise Lake, Marble Mountain Wilderness Area Comment
  UC722087  Erigeron aliceae C. L. Hitchcock and J. S. Martin 1939-7-6 5202 Siskiyou 2 mi within California boundary on Takilma-Happy Camp road Siskiyou Mts. 1554 Comment
  CAS-BOT-BC294500  Erigeron bloomeri var. bloomeri Alice Eastwood 1912-8-30 2052 Siskiyou Mount Eddy Comment
  CAS-BOT-BC294524  Erigeron breweri var. breweri Lemmon 1880-7-1 s.n. Siskiyou Mt Eddy near Shasta Comment
  CAS-BOT-BC294898  Erigeron cervinus K. T. Stillman 1976-9-9 471 Siskiyou Marble Mountain Wilderness Area. N & NE & E side of Black Mtn. Comment
  UC163907  Erigeron cervinus Geo. D. Butler 1910-6-5 1515 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC297113  Erigeron compositus Alice Eastwood 1912-8-30 2023 Siskiyou Mount Eddy Comment
  HSC44956  Erigeron compositus J. O. Sawyer 1978-6-16 3229 Siskiyou Marble Mtn. Wilderness Area, Upper Elk Valley 1951 Comment
  HSC67541  Erigeron compositus J. P. Smith, J. O. Sawyer 1972-6-30 5646 Siskiyou Ridge W of Little Duck Lake. 2378 Comment
  CHSC71282  Erigeron elegantulus Vernon H. Oswald 1998-6-27 9239 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. 1402 Comment
  RSA17741  Erigeron elegantulus Elmer I. Applegate 1935-6-11 9494 Siskiyou Upper Ice Cave, south end of big lava flow, Lava Beds National Monument Comment
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Feb 6 2015
  UC1324594  Erigeron filifolius W. B. and V. G. Cooke 1966-7-16 37217 Siskiyou shoulder of old logging road above Bolam Station; Mt. Shasta 1676 Comment
  UC1483472  Erigeron foliosus var. confinis Maralyn A. Renner 1980-8-7 2426 Siskiyou ridge s Preston Peak; Preston Peak Quad. 1950 Comment
  POM357595  Erigeron foliosus var. foliosus M. B. Dunkle 1945-07 9244 Siskiyou Klamath National Forest; Marble Mts. Comment
  HSC68279  Erigeron foliosus var. mendocinus J. P. Smith, Steve Selva 1970-6-15 3926 Siskiyou 10 mi. NW of Forks of Salmon Comment
  HSC69353  Erigeron glacialis var. glacialis Maralyn A. Renner 1980-8-21 2578 Siskiyou Kidd Creek 2043 Comment
  CAS-BOT-BC295392  Erigeron inornatus John Thomas Howell 1939-8-2 14894 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  SBBG21933  Erigeron inornatus D. Myrick 1964-7-25 971 Siskiyou Panther Meadows below Ski Bowl Lodge, Mt Shasta 2346 Comment
  RSA238782  Erigeron inornatus var. inornatus Frederick W. Oettinger 1969-8-12 1348 Siskiyou Along the trail above 'Willow Springs' (between Abbotts Upper Cabin and English Lake); High lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area. Salmon Mountains 1677 Comment
  RSA777991  Erigeron inornatus var. inornatus C. B. Wolf 1934-7-7 6031 Siskiyou 2 miles north of Shasta Springs 945 Comment
  RSA211209  Erigeron peregrinus subsp. callianthemus William J. Ferlatte 1967-8-20 1046 Siskiyou Caribou Basin, Sawtooth Ridge. 2043 Comment
  HSC28709  Erigeron petrophilus var. viscidulus William J. Ferlatte 1971-9-18 1383 Siskiyou Caribou Basin, Sawtooth Ridge at summit of trail to Stewart Fork 2287 Comment
  RSA12509  Erigeron philadelphicus C. B. Wolf 1934-7-4 5927 Siskiyou 0.7 mi. below mouth of Dillon Creek, Klamath River. 244 Comment
  CAS-BOT-BC300266  Erigeron reductus var. reductus Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1962 Comment
  HSC36666  Eriodictyon californicum Brent Whitely 1975-6-24 48 Siskiyou 235 Comment
  UC144188  Eriodictyon californicum A. A. Heller 1905-6-8 7996 Siskiyou Yreka Comment
  CAS-BOT-BC248836  Eriogonum compositum var. compositum D. E. Breedlove 1962-6-11 3344 Siskiyou 7.4 miles south-west of Scott Bar 624 Comment
  RSA50225  Eriogonum compositum var. compositum E. K. Balls 1949-7-9 13932 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. 1006 Comment
  LA206739  Eriogonum diclinum Louis Wheeler; 1934-9-1 3235 Siskiyou Siskiyou Mountains, Jaynes Canyon 1950 Comment
  RSA0004987  Eriogonum diclinum Louis C. Wheeler 1934-9-1 3235 Siskiyou Siskiyou Mountains, Jaynes Canyon. 1951 Comment
  UC375311  Eriogonum elatum Geo. D. Butler 1908-8-4 210 Siskiyou head of Shackleford Creek Shackleford Creek Comment
  SD62051  Eriogonum elatum var. elatum Darley F. Howe 1965-8-8 4124 Siskiyou South side Little Gray Back, Klamath Netional Forest 1524 Comment
  CAS-BOT-BC255762  Eriogonum elatum var. villosum John Thomas Howell 1939-8-2 14885 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  JEPS83630  Eriogonum hirtellum R. Raiche 1987-7-28 70543 Siskiyou between Polar Bear Mt. and Lookout Mountain (at Del Norte Co. line); Polar Bear Gap 1737 Comment
  SDSU6553  Eriogonum hirtellum D. F. Howe 1962-8-4 3385 Siskiyou Baldy Mountain. 1433 Comment
  RSA264975  Eriogonum lobbii var. lobbii Gilbert Muth 1975-7-31 6034 Siskiyou Near Kangaroo Mountain, near Seiad Valley. 1919 Comment
  UC912851  Eriogonum luteolum var. luteolum A. A. Heller 1917-9-7 12975 Siskiyou above mouth of the Shasta River; Klamath River Comment
  HSC42988  Eriogonum marifolium J. P. Smith, Steve Selva 1970-8-8 4560 Siskiyou Comment
  HSC83320  Eriogonum marifolium D. W. Taylor 1975-8-14 5460 Siskiyou Mt. Shasta between Shasta Ski area and Green Butte 2591 Comment
  SBBG21293  Eriogonum marifolium D. Myrick 1964-7-25 958 Siskiyou above Ski Bowl Lodge, Mt Shasta 2407 Comment
  CHSC102576  Eriogonum marifolium var. marifolium L. P. Janeway 2009-8-3 9890 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 2.6 air km southwest of Brewer Creek Trailhead; about 20 m south of Brewer Creek. 2637 Comment
  CHSC9496  Eriogonum marifolium var. marifolium J. F. Goodwin 1971-7-3 127 Siskiyou West side of road, in open area, 0.3 mi south of Mt. Shasta Ski Bowl area. 2438 Comment
  CHSC99701  Eriogonum nudum var. nudum L. P. Janeway 2008-7-24 9490 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 1.3 air km east of Condrey Mountain. Open ridgetop. 2050 Comment
  SEINET7064425  Eriogonum nudum var. nudum A. G. Vestal 1955-5-16 s.n. Siskiyou Serpentine ca. 6.2 miles northwest of weed. (NAD83/WGS84). UTM Zone 10, 543207mE, 4591515mN. 902 Comment
  CAS-BOT-BC269739  Eriogonum nudum var. oblongifolium Doris Overman 1919-9-1 s.n. Siskiyou Yreka Comment
  CAS-BOT-BC269741  Eriogonum nudum var. oblongifolium Louis C. Wheeler 1935-6-29 3624 Siskiyou Yreka 807 Comment
  UC375312  Eriogonum nudum var. oblongifolium Geo. D. Butler 1908-7-28 212 Siskiyou near Yreka Comment
  CAS-BOT-BC272489  Eriogonum nudum var. pubiflorum A. M. Vollmer; L. Beane 1951-6-2 44 Siskiyou Klamath River Highway, betw. U.S. 99 & Gottville 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
  JEPS40861  Eriogonum nudum var. pubiflorum Paul C. Hutchison 1962-8-3 945 Siskiyou just e Paint Pot Crater (between Grasshopper Flat and Little Medicine Lake) 1783 Comment
  UC646552  Eriogonum nudum var. pubiflorum Reed C. Rollins and T. S. Chambers 1938-8-14 2720 Siskiyou 3 mi s Hornbrook 914 Comment
  RSA50182  Eriogonum nudum var. pubiflorum E. K. Balls 1949-7-8 13925 Siskiyou Etna Public Camp, southern Siskiyou County 851 Comment
  SBBG21294  Eriogonum pyrolifolium D. Myrick 1964-7-25 959 Siskiyou above Ski Bowl Lodge, Mt Shasta 2407 Comment
  UCD100863  Eriogonum pyrolifolium var. pyrolifolium Jack Major 1961-7-14 650 Siskiyou ridge above Mud Creek, Mount Shasta. 2316 Comment
  HSC27766  Eriogonum roseum J. P. Smith, J. O. Sawyer 1972-9-14 5794 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  CAS-BOT-BC267707  Eriogonum roseum Louis C. Wheeler 1934-9-19 3282 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  CAS-BOT-BC268579  Eriogonum siskiyouense W. R. Dudley 1899-8-26 s.n. Siskiyou Near top of Eddy Mountain Comment
  RSA790071  Eriogonum siskiyouense Rebecca Wenk 2006-7-24 533 Siskiyou Scott Mountains, border between Trinity and Siskiyou Counties. 1700 Comment
  SD23785  Eriogonum siskiyouense William Bridge Cooke Aug 1938 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC269971  Eriogonum spergulinum var. reddingianum W. B. Cooke; V. G. Cooke 1975-9-3 50491 Siskiyou Ash Creek at Military Pass Road, East side of Mt. Shasta Comment
  RSA98052  Eriogonum spergulinum var. reddingianum W. Bridge Cooke 1954-7-5 s.n. Siskiyou Military Pass road. Mt. Shasta. 1829 Comment
  UCD101243  Eriogonum spergulinum var. reddingianum W. Bridge Cooke 1954-7-5 s.n. Siskiyou Military Pass Road, Mt. Shasta. 1828 Comment
  POM105392  Eriogonum sphaerocephalum Geo. D. Butler 1910-5-27 1417 Siskiyou Dry hill Yreka. Comment
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Jan 23 2011
  RSA423132  Eriogonum sphaerocephalum Louis C. Wheeler 1934-9-19 3282 Siskiyou Hot dry south slope. Oak Knoll Ranger Station. Klamath River. 671 Comment
  CAS-BOT-BC262727  Eriogonum sphaerocephalum var. halimioides Noel H. Holmgren; James L. Reveal 1966-6-9 2681 Siskiyou US 97, 5.5 miles south of Macdoel, 35 miles north of Weed 1341 Comment
  SEINET3160083  Eriogonum sphaerocephalum var. halimioides G. D. Butler 1910-5-27 1428 Siskiyou Yreka Comment
  CAS-BOT-BC262756  Eriogonum strictum var. anserinum Elmer I. Applegate 1935-6-5 9339 Siskiyou Capt. Jack's ice Cave, Lava Beds National Monument Comment
  CAS-BOT-BC263384  Eriogonum strictum var. proliferum Copeland 1903-9-7 3873 Siskiyou Mt. Eddy Comment
  UC609362  Eriogonum strictum var. proliferum Eleanor Burks Hart 1938-8-18 930 Siskiyou Boulder Peak 2535 Comment
  JEPS56463  Eriogonum strictum var. proliferum Geo. D. Butler 1909-6-19 970 Siskiyou Stones Hill Yreka Comment
  CAS-BOT-BC267954  Eriogonum umbellatum Elmer I. Applegate 1935-6-2 9271 Siskiyou Indian Well, Lava Beds National Monument Comment
  CAS-BOT-BC267993  Eriogonum umbellatum var. argus John Thomas Howell 1937-7-21 13169 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC718151  Eriogonum umbellatum var. argus Carl B. Wolf 1934-7-5 5966 Siskiyou 3.6 mi on road to Horse Creek Dry Lake Lookout; Siskiyou Mts. 1981 Comment
  SEINET10825698 Image available Eriogonum umbellatum var. argus James L. Reveal, Mark L. Reveal 1975-8-15 Reveal 3955 Siskiyou Siskiyou Co. Siskiyou Mountains, Klamath National Forest, along the Dry Lake Lookout Road (Forest Service Raod 40S01). 0.5 mile west of Dry Lake Lookout near the Buckthorn Trail, on sandy-gravel soil associated with Abies and Lupinus, in open places or near low shrubs. Sec. 19, T.47N., R.9W. 2042 Comment
  SCFS2090  Eriogonum umbellatum var. covillei P. C. Billings 1965-7-19 94 Siskiyou 100' above end of rd on Mt. Shasta 2438 Comment
  CAS-BOT-BC105078  Eriogonum umbellatum var. dumosum R. C. Wenk 2008-7-24 931 Siskiyou Kangaroo Lake, S of the Gazelle-Callahan Rd. Top of ridge S of the lake 1981 Comment
  NY803677  Eriogonum umbellatum var. lautum J. L. Reveal 2001-7-19 8348 Siskiyou Scott Valley, along South Kidder Creek Road, 0.5 mile west-southwest of California Highway 3, about 6.1 air miles southwest of Fort Jones and 5.7 air miles north of Etna. 869 Comment
  UC902110  Eriogonum umbellatum var. lautum Joseph P. Tracy 1949-9-16 18562 Siskiyou 1 mi e Etna (Scott Valley); Scott Valley 883 Comment
  JEPS110482  Eriogonum umbellatum var. modocense Robert E. Preston 2001-7-21 1708 Siskiyou Klamath National Forest, N slope of Rainbow Mountain. 2026 Comment
  HSC43440  Eriogonum umbellatum var. nelsoniorum Jennifer Whipple 1976-9-3 1773 Siskiyou E facing slopes near Little Crater Lake 2195 Comment
  RSA766152  Eriogonum umbellatum var. polyanthum J. T. Howell 1939-8-2 14887 Siskiyou Spirit Lake, Marble Mts. Comment
  LA207056  Eriogonum umbellatum var. polyanthum 1939-8-10 13854 Siskiyou MOUNT SHASTA, Mud Creek Canyon. 1828 Comment
  NY803664  Eriogonum ursinum var. erubescens J. L. Reveal 2002-8-5 8371 Siskiyou Scott Bar Mountains, N and W slope and ridge of Deadwood Baldy Peak, Klamath National Forest. 1675 Comment
  UC1980594 Image available Eriogonum ursinum var. erubescens James L. Reveal, Julie D. Knorr 2002-8-5 8371 Siskiyou Scott Bar Mountains, n and w slope and ridge of Deadwood Baldy Peak, Klamath National Forest. Comment
  JEPS19775  Eriophorum crinigerum Rimo Bacigalupi with S. Galen Smith 1957-6-26 5953 Siskiyou Gumboot Lake South Fork of Sacramento River (springy bog at w end, headwaters of river, close to Trinity Co.) 1859 Comment
  RSA185511  Eriophorum crinigerum E. B. Copeland 1903-8-18 3902 Siskiyou Mount Eddy 1677 Comment
  RSA597969  Eriophorum crinigerum L. C. Wheeler 1963-8-30 8308 Siskiyou Siskiyou Mountains. Clear Creek falls at Preston Creek. 792 Comment
  CAS-BOT-BC301142  Eriophyllum lanatum var. achilleoides Alice Eastwood 1923-5-23 11934 Siskiyou Cantara Comment
  POM358027  Eriophyllum lanatum var. achilleoides B. C. Templeton 1960-6-21 8528 Siskiyou Between California State line and the Agricultural Inspection Station Comment
  HSC36873  Eriophyllum lanatum var. grandiflorum J. P. Smith 1974-5-25 7516 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  UC74052  Eriophyllum lanatum var. grandiflorum T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CHSC75673  Eriophyllum lanatum var. integrifolium Vernon H. Oswald; Lowell Ahart 1999-7-5 9820 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southeast of Gazelle-Callahan Hwy., 0.6 mi northwest of the highway summit. 1569 Comment
  HSC22490  Eriophyllum lanatum var. integrifolium J. O. Sawyer 1969-7-9 1106 Siskiyou Between Horse Range and Little Duck Lake 2354 Comment
  RSA47995  Eriophyllum lanatum var. integrifolium Roxana S. Ferris, Laura Lorraine 1948-6-12 11860 Siskiyou 2.4 miles below summit of Gazelle Mt. grade, east side 1418 Comment
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Mar 28 2012
  HSC58871  Eriophyllum lanatum var. lanceolatum Marvin Butler 1971-8-31 332 Siskiyou Near Youngs Valley, close to the town of Cave Junction 1403 Comment
  UC1299256  Eriophyllum lanatum var. lanceolatum Freed W. Hoffman 1950-7-13 3549 Siskiyou Baldy Lookout; w Siskiyou County Comment
  CAS-BOT-BC301714  Eriophyllum lanatum var. lanceolatum Doris K. Kildale 1929-7-20 8711 Siskiyou Trail from Elk Lick to Raspberry Lake, upper South Fork of Indian Creek 1828 Comment
  HSC67973  Erodium cicutarium J. P. Smith, Steve Selva 1970-6-15 3897 Siskiyou Oak Bottom Campground near Somes Bar. 229 Comment
  HSC101097  Eryngium alismifolium J. D. Jokerst 1983-7-6 1835 Siskiyou Comment
  UCD77709  Eryngium alismifolium Robert E. Preston 2000-6-23 1379 Siskiyou Ca. 3.3 mi e of Grenada, on s side of A12, 0.5 mi w of Nelson Rd, 785 Comment
  HSC36715  Erysimum capitatum var. capitatum Brent Whiteley 1975-6-28 71 Siskiyou 915 Comment
  CAS-BOT-BC55107  Erysimum perenne John Thomas Howell 1937-7-24 13382 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  HSC62450  Erysimum perenne Ruby Van Deventer 1939-7-18 Siskiyou Twin Valley 1524 Comment
  HSC44942  Erythronium grandiflorum subsp. grandiflorum J. O. Sawyer 1978-6-20 3262 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  RSA281174  Erythronium hendersonii Elmer I. Applegate 1932-4-16 7063 Siskiyou Klamath River between Hamburg and Seiad Valley Comment
  UC454408  Erythronium klamathense I. J. Condit 1911-7-28 Siskiyou Castle Lake 1981 Comment
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Mar 5 2007
  CAS-BOT-BC403683  Eschscholzia californica Elmer I. Applegate 1935-6-12 9523 Siskiyou South slope of Caldwell Butte, Lava Beds National Monument Comment
  JEPS1734 Image available Eucephalus breweri unknown 1910-8-1 Siskiyou near Sissons Comment
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Sep 2 2014
  HSC69232  Eucephalus ledophyllus var. ledophyllus Maralyn A. Renner 1980-9-1 2714 Siskiyou S side of Devil's Punchbowl 1829 Comment
  HSC61117  Euchiton gymnocephalus Ruby Van Deventer Siskiyou F.S. Rd. 17N04; Doe Flat Comment
  POM87489  Euphorbia crenulata Geo D. Butler 1910-4-22 1220 Siskiyou Kidder Creek Comment
  SEINET9594958  Euphorbia crenulata G. D. Butler 1910-4-22 1220 Siskiyou Kidder Creek. Comment
  POM212872  Euphorbia lathyris L. C. Wheeler 1934-11-4 3358 Siskiyou Marble Mountains: Scott River at McGuffy Creek. 670 Comment
  UC1034614  Euphorbia palmeri Douglas Barbe 1955-6-29 10 Siskiyou 0.2 mi n Callahan; Klamath Mountains 975 Comment
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Mar 8 2012
  SEINET957942  Fabaceae G. D. Butler 1910-1 1441 Siskiyou Dry banks near Guka. Comment
  CAS-BOT-BC413901  Fallopia convolvulus Alice Eastwood 1912-7-22 1314 Siskiyou Sisson Comment
  UCD65831  Festuca californica R. Tofsrud 1947-7-6 Siskiyou Near Gazelle. 1371 Comment
  CAS-BOT-BC278728  Festuca idahoensis John Thomas Howell 1939-8-9 15240 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  HSC100334  Festuca idahoensis J. P. Smith 2011-7-15 13302 Siskiyou 1427 Comment
  HSC102709  Festuca idahoensis J. P. Smith 2013-6-17 13742 Siskiyou Tennat-Bray. 1485 Comment
  HSC25461  Festuca idahoensis J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5657 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  LA13154  Festuca idahoensis C. L. Hitchcock; J. S. Martin 1939-7-9 5321 Siskiyou Marble Mountains, 0.5 mi SE of King's Castle 1828 Comment
  UC1024703  Festuca idahoensis Leo Whitney 1934-6-10 2141 Siskiyou near Tennant; Antelope Creek 1463 Comment
  LA13105  Festuca idahoensis J. R. Swallen; 1938-7-15 sn Siskiyou Mount Shasta, Along the road between Bear Springs and Wagon Camp 1676 Comment
  UC1190231  Festuca occidentalis Ira L. Wiggins 1955-7-24 13498 Siskiyou ridge between upper reaches of China Creek and Blind Horse Creek Comment
  UC796737  Festuca occidentalis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11744 Siskiyou w of Callahan (French Creek Logging Road) 1066 Comment
  UC1034046  Festuca pratensis W. Bridge Cooke 1941-7-18 16056 Siskiyou Bear Springs Mount Shasta 1524 Comment
  JEPS57224  Festuca roemeri L. R. Heckard 1967-8-13 1711 Siskiyou e flank Mt. Eddy 2727 Comment
  HSC30582  Festuca viridula Frederick W. Oettinger, R. F. Thorne 1969-8-6 1222 Siskiyou Marble Mtn. Wilderness Area, rocky N slope on S side of Pine Lake 1951 Comment
  HSC92060  Floerkea proserpinacoides Jennifer Whipple 1976-7-2 1282 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC78202  Floerkea proserpinacoides L. P. Janeway 1983-8-6 485 Siskiyou At Poker Flat, at front edge of upper portion of meadow. 1524 Comment
  CAS-BOT-BC453508  Fragaria Alice Eastwood 1921-7-28 10882 Siskiyou Medicine Lake Comment
  HSC33968  Fragaria vesca J. P. Smith 1974-5-25 7465 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  HSC45894  Fragaria virginiana Laura Witherspoon 1978-7-25 55 Siskiyou Klamath National Forest on USFS Rd. 46N92 before turn off to Ball Mtn. 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
  UC61650  Fragaria virginiana subsp. platypetala Geo. B. Grant Sep 1902 5196 Siskiyou Sisson; Mount Shasta 914 Comment
  HSC68992  Frangula californica Maralyn A. Renner 1980-7-28 2170 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  SEINET7417503 Image available Frangula californica subsp. californica M. Ownbey, F. G. Meyer 1940-7-8 2224 Siskiyou Indian Creek, 12 mi above Happy Camp 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
  UCD112752  Frangula californica subsp. occidentalis K. M. Meyer; A. Townesmith 2007-7-31 176 Siskiyou Shasta-Trinity National Forest. 6.2 on NF Road 17, off U.S. Hwy 97. 1350 Comment
  CAS-BOT-BC59989  Frangula purshiana Elmer I. Applegate 1895-5-30 64 a Siskiyou Sacramento Canyon, upper crossing SPRR, below Sisson. Comment
  JEPS61886  Fritillaria atropurpurea W. L. Jepson 1907-7-5 2831 Siskiyou Marble Mountain Comment
  CAS-BOT-BC502845  Fritillaria atropurpurea Ira L. Wiggins 1950-5-28 12390 Siskiyou Hillside .3 mile west of Carmen Lake 1706 Comment
  UC909365  Fritillaria pudica Ira L. Wiggins 1950-5-28 12391 Siskiyou 0.3 mi w of Carmen Lake 1706 Comment
  CAS-BOT-BC506208  Fritillaria pudica Ellsworth Bethel 1923-4-21 s.n. Siskiyou Fall River Mills Comment
  RSA607099  Fritillaria recurva Louis C. Wheeler 1935-4-17 3427 Siskiyou Soap Creek, Siskiyou Mountains 1037 Comment
  UC637127  Galium ambiguum var. siskiyouense Edward Lee 1934-8-13 1061 Siskiyou Happy Camp to Waldo (Oregon) road Klamath National Forest, watershed of West Branch of Indian Comment
  JEPS6508  Galium bifolium W. L. Jepson 1937-7-30 18553 Siskiyou Poker Flat Indian Creek 1584 Comment
  UC28187  Galium bifolium Harley P. Chandler June, 1901 1645 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  HSC19299  Galium bifolium J. O. Sawyer 1969-7-1 969 Siskiyou NE facing lower slope above Paynes Lake Creek 1829 Comment
  HSC78185  Galium bifolium L. P. Janeway 1983-7-17 418 Siskiyou Poker Flat, upper portion of meadow 1524 Comment
  UC223987  Galium bolanderi Dr. Edward Palmer Jul 15 1892-Jul 27 1892 2498 Siskiyou Mount Shasta and vicinity Comment
  CHSC63611  Galium boreale subsp. septentrionale Vernon Oswald; Lowell Ahart 1994-8-10 6459 Siskiyou 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
  JEPS109716  Galium boreale subsp. septentrionale Dean W. Taylor 2002-7-20 18255 Siskiyou Forest Road 17 ca. 3.3 miles west (above) junction with Stewart Springs Road, Parks Creek 1524 Comment
  UCD63246  Galium glabrescens 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. Scott Mountains, Klamath National Forest. 1900 Comment
  CAS-BOT-BC540348  Galium glabrescens subsp. glabrescens Dana York 2012-7-20 3117 Siskiyou Siskiyou Mountains: Klamath National Forest, Red Buttes Wilderness, 430 m SSW of Red Butte along a ridge 1950 Comment
  CAS-BOT-BC210238  Galium grayanum var. grayanum Dana York 2011-8-12 3039 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain 2075 Comment
  SBBG18747  Galium serpenticum C. B. Hardham 1961-7-3 8115 Siskiyou Scott River, SW of Calahan Comment
  UC1211891 Image available Galium serpenticum subsp. scotticum Lauramay T. Dempster and Clare Hardham 1961-7-3 1877 Siskiyou about 2 mi below (i.e. e of) summit (on road sw of Callahan); ; Siskiyou Co. 1828 Comment
  JEPS25702  Galium triflorum P. C. Hutchison 1961-5-22 2035 Siskiyou on hwy US 299 3.7 mi s Clear Creek (south of Happy Camp) (w side of river at Browns Creek); Klamath River Comment
  CAS-BOT-BC182233  Garrya fremontii J. H. Thomas 1954-5-14 4186 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville 1219 Comment
  CAS-BOT-BC182277  Garrya fremontii Geo. D. Butler 1910-6-17 1565 Siskiyou Humbug Mountain Comment
  HSC8398  Garrya fremontii C. B. Wolf 1927-8-26 1045 Siskiyou Along Klamath River, 4 mi. N of Gottville Comment
  JEPS66736  Garrya fremontii W. L. Jepson 1894-8-9 14157 Siskiyou Shasta Springs Comment
  RSA44059  Garrya fremontii W. Bridge Cooke 1941-6-11 16031 Siskiyou Along the Castle Lake Road. Comment
  UC54503  Garrya fremontii Harley P. Chandler Jun 1901 1635 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  SEINET5765235  Garrya fremontii G. D. Butler 1910-6-17 1565 Siskiyou Humbug Mountain. Comment
  RSA238356  Gaultheria ovatifolia Frederick W. Oettinger 1968-9-8 785 Siskiyou Along the e. shore of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  CHSC30771  Gayophytum diffusum subsp. parviflorum M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3258 A Siskiyou Ca. 50 ft e of Hwy 15, ca. 3 mi n of its jct with Hwy 89, ca. 17 mi e of McCloud. Comment
  UC1714622  Gayophytum diffusum subsp. parviflorum Milo S. Baker 126 Siskiyou near Medicine Lake; Payne's Springs Comment
  HSC16313  Gayophytum diffusum subsp. parviflorum D. M. Thomson 1965-6-19 97 Siskiyou Lava Beds National Monument, Merril Ice Cave by side of trail Comment
  POM211844  Gayophytum diffusum subsp. parviflorum C. G. Pringle 1881-8-17 s.n. Siskiyou Mount Shasta 2439 Comment
  RSA237850  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1969-8-18 1431 Siskiyou Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  JEPS27538  Gayophytum heterozygum Willis L. Jepson 1894-8-4 14436 Siskiyou Horse Camp Upper Sacramento, Mt. Shasta Comment
  UC904788  Gayophytum heterozygum W. Bridge Cooke 1949-8-26 25667 Siskiyou along logging road above Bolam Station; Mount Shasta Comment
  HSC92087  Gayophytum humile Jennifer Whipple 1976-7-9 1387 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  JEPS80657  Gayophytum humile W. B. and V. G. Cooke 1970-7-21 42679 Siskiyou Horse Camp Mt. Shasta Comment
  HSC16394  Gayophytum humile R. C. Wunner 1965-6-25 287 Siskiyou Lava Beds N.M., Indian Well Cave, Indian Well 1433 Comment
  UC422807  Gayophytum racemosum Milo S. Baker 1898-8-1 504 Siskiyou Medicine Lake; sw side Comment
  JEPS97185  Gentiana calycosa Julie Kierstead Nelson with Maria Ulloa-Cruz 1995-8-22 95058 Siskiyou 1 1/2 mi W of The Eddys (on Parks Creek Road (Rd. 17); W slope of Parks Creek drainage); Shasta-Trinity National Forests, Mt. Shasta Ranger District 1737 Comment
  POM130560  Gentianella amarella E. B. Copeland 1903-9-6 3849 Siskiyou Mt. Eddy. Comment
  RSA151827  Gentianella amarella H. K. Sharsmith, Francia Chisaki 1959-8-19 4730 Siskiyou Just west of summit of Scott Mountain grade, just beyond Trinity County line. 1585 Comment
  HSC27596  Gilia capitata Carl W. Mize 1972-6-21 61 Siskiyou 0.25 mi. from main rd. 274 Comment
  UC879897  Gilia capitata subsp. capitata Alice Eastwood 1912-7-17 1165 Siskiyou Sisson Comment
  CAS-BOT-BC225352  Gilia latiflora subsp. davyi John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-21 53572 Siskiyou Yreka 822 Comment
  HSC44649  Githopsis specularioides J. P. Smith 1973-5-5 6534 Siskiyou Scott Bar along the Scott River Comment
  NY214735  Glaux acutifolia A. A. Heller 1905-6-20 8073 Siskiyou Gazelle Comment
  CAS-BOT-BC282720  Glyceria elata A. A. Heller 1916-7-20 12465 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1188 Comment
  HSC101471  Glyceria elata J. P. Smith, J. O. Sawyer 2011-7-21 13037 Siskiyou Near Dillon Camp 1358 Comment
  HSC22306  Glyceria elata J. O. Sawyer 1969-8-4 1792 Siskiyou Along C.C.C. road 1341 Comment
  POM229180  Glyceria striata L. C. Wheeler 1935-7-24 3693 Siskiyou Jaynes Canyon. Siskiyou Mtns. 1950 Comment
  CAS-BOT-BC302675  Gnaphalium palustre W. B. C. 1941-8-8 16144 Siskiyou Along the Wagon Camp road above Howard, Mt. Shasta Comment
  POM215865  Gratiola ebracteata Louis C. Wheeler 1935-6-13 3570 Siskiyou Greenview, Scott Valley. 884 Comment
  SD204926  Gymnosteris parvula R. F. Thorne 1969-8-2 63392 Siskiyou Klamath Ranges region: Klamath National Forest, Salmon Mountains; Marble Mountain Wilderness, along trail to English Peak. 1159 Comment
  UC573114  Hackelia bella Dorothy Tebbe 1929-7-15 133 Siskiyou Salmon Summit; Salmon Mountains Comment
  RSA77831  Hackelia micrantha E. E. Stanford 1930-8-14 2086 Siskiyou Below summit of Sonora Pass, in open ground in loose soil 2896 Comment
  SEINET12281162  Hackelia micrantha J. P. Tracy 1951-1 19494 Siskiyou summit of Siskiyous, at crossing of Takilma-Happy Camp Rd, near state line Comment
  UC1035169  Hackelia micrantha Dorothy Parker 1953-8-9 585 Siskiyou along edge of small lake in the Salmon Mountain Range; Siskiyou Mountains, Salmon Mountain Range Comment
  UC1190143  Hastingsia alba Ira L. Wiggins 1955-7-27 13532 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  HSC30795  Hastingsia alba Arthur R. Kruckeberg 1972-6-9 6204 Siskiyou Above rd. at Beaver Creek Forest Camp along Beaver Creek, Klamath River drainage Comment
  SEINET12044228  Hastingsia alba W. L. Jepson 1894-1 s.n. Siskiyou upper Sacramento, Sisson [Mount Shasta] Comment
  UC637028  Hazardia whitneyi var. discoidea Edward Lee 1934-8-14 1097 Siskiyou near summit Little Grayback 1868 Comment
  CAS-BOT-BC306739  Helenium bigelovii A. A. Heller 1914-8-28 11733 Siskiyou East side of Mt. Eddy 2133 Comment
  HSC58872  Helenium bigelovii Marvin Butler 1971-7-28 215 Siskiyou Near youngs Valley, close to the town of Cave Junction 1403 Comment
  RSA120794  Helenium bigelovii S. S. Tillett 1956-7-11 685 Siskiyou Meadows on both sides of Scott Mtn. divide near campground. Siskiyou-Trinity county line, ca. 8 miles SE of Callahan 1616 Comment
  UC246776  Helenium bigelovii H. E. Brown Jun 11 1897-Jun 16 1897 421 Siskiyou n side Mt. Shasta 1524 Comment
  UC166239  Helianthus bolanderi Geo. D. Butler 1908-8-27 337 Siskiyou near Oro Fino Comment
  CAS-BOT-BC305575  Helianthus bolanderi L. R. Abrams 1922-8-6 9910 Siskiyou Between Summit and Hornbrook Comment
  JEPS84217  Hemitomes congestum L. R. Heckard with J. Hickman et al. 1986-7-17 6449 Siskiyou Cook and Green Pass ca. 5 mi N of the town of Seiad Valley 1465 Comment
  OBI75226  Hemizonella minima David J. Keil, with Kathleen Keil and Sue Walker 2011-7-15 31058 Siskiyou Cascade Range. Near foot of Mount Shasta in Weed. 1146 Comment
  HSC5989  Hemizonella minima D. M. Thomson 1965-6-19 99 Siskiyou Lava Beds National Monument, Merril Ice Cave by side of trail Comment
  HSC91112  Heracleum maximum Jennifer Whipple 1976-7-24 1538 Siskiyou Dale Creek drainage on the N face of Mount Eddy 2195 Comment
  CHSC91337  Hesperochiron californicus Lowell Ahart; John Dittes 2005-6-10 12105 Siskiyou Steep slope, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  POM8869  Hesperolinon micranthum W. A. Setchell, C. C. Dobie 1902-07 8422 Siskiyou Mt. Shasta, at Sisson. Comment
  HSC30649  Heterocodon rariflorum Frederick W. Oettinger 1969-8-18 1427 Siskiyou Marble Mtn. Wilderness Area, due N of Horse Range Lake outlet 1860 Comment
  UCD133097  Heterotheca villosa Jack Major; M. Fleschner, R. Pemble 1966-9-3 s.n. Siskiyou east of Marble Mountain, Marble Mountains. 1584 Comment
  CAS-BOT-BC312295  Heterotheca villosa var. minor John Thomas Howell 1934-7-4 12405 Siskiyou SE corner of Siskiyou Co. Comment
  JEPS94836  Heterotheca villosa var. minor Vernon H. Oswald and Lowell Ahart 1998-9-8 9607 Siskiyou 2 air mi nw of Indian Springs Mountain (USFS 3 0.1 mi w of Julia Glover Flat, 6 air mi w of Mosquito Lake and Whitehorse Flat Reservoir) 1127 Comment
  POM204112  Heterotheca villosa var. minor J. T. Howell 1934-7-4 12405 Siskiyou SE corner of Siskiyou County Comment
  CAS-BOT-BC312302  Heterotheca villosa var. minor Gilbert Muth 1965-7-28 311 Siskiyou Ridge near Marble Mt. Lookout Comment
  JEPS49743  Heuchera merriamii Geo. D. Butler 1908-8-9 221 Siskiyou Marble Valley Camp 1676 Comment
  JEPS50862  Heuchera merriamii Al Hobart 1967-8-8 Siskiyou just s Youngs Valley (on El Capitan, Siskiyou Mountains, westernmost Siskiyou County); Siskiyou Mountains, El Capitan, just s of Youngs Valley 1828 Comment
  CAS-BOT-BC420701  Heuchera merriamii Louis C. Wheeler 1934-8-2 3012 Siskiyou Klamath, MDM Jaynes Canyon 2042 Comment
  CAS-BOT-BC420737  Heuchera merriamii W. R. Dudley 1901-8-23 s.n. Siskiyou Rocky peak of Foxtail Ridge Salmon Mts. Comment
  UC1409256  Heuchera merriamii Frederick W. Oettinger 1968-8-4 386 Siskiyou trail n of Crapo Peak Ridge; Salmon Mountains, Marble Mountain Wilderness Area 2194 Comment
  HSC96812  Heuchera micrantha S. Lyon, J. McIntire 2006-6-25 28 Siskiyou 1.5 mi. SE of Blackbear Summit on USFS Rd. 39N14 1494 Comment
  RSA183733  Hieracium gracile Gilbert Muth 1965-8-11 s.n. Siskiyou Marble Valley. Marble Mtns. Comment
  UC337088  Hieracium horridum unknown 1888-9-12 Siskiyou side Mt. Shasta Comment
  RSA211519  Hieracium horridum William J. Ferlatte 1967-8-20 1041 Siskiyou Caribou Mountain. 2470 Comment
  CAS-BOT-BC316013  Hieracium nudicaule Alice Eastwood 1921-7-25 10815 Siskiyou Bigelows, McCloud River Comment
  JEPS36666  Hieracium nudicaule W. L. Jepson 1940-7-1 20086 Siskiyou 6 mi e McCloud (Fowlers Camp); McCloud River 975 Comment
  HSC30239  Hieracium triste William J. Ferlatte 1971-9-18 1380 Siskiyou Caribou Basin 2409 Comment
  RSA237610  Holodiscus discolor Frederick W. Oettinger 1969-8-19 1448 Siskiyou Ridge from Arrow Peak to King David Peak. Salmon Mountains. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  CAS-BOT-BC150130  Holodiscus microphyllus var. glabrescens Geo. B. Grant 1902-9-1 5111 Siskiyou Horse Camp, Mt. Shasta 2743 Comment
  CAS-BOT-BC388568  Holosteum umbellatum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53372 Siskiyou Grenada 792 Comment
  HSC39744  Holosteum umbellatum J. O. Sawyer 1970-4-4 2091 Siskiyou Along Sugar Creek 823 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
  HSC10229  Hordeum vulgare R. C. Wunner 1965-8-14 423 Siskiyou Lava Beds N. M. Hovey Point. Comment
  CDA25946  Horkelia daucifolia G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2656 Siskiyou Behind motel and restaurant at Old Highway 99 and Greenhorn Road, south edge of Yreka. 0 Comment
  CHSC75747  Horkelia daucifolia Vernon H. Oswald; Lowell Ahart 1999-7-5 9807 Siskiyou Gazelle Mtn. on road 41N03 0.2 mi southeast of Gazelle-Callahan Hwy. 1508 Comment
  JEPS96981  Horkelia daucifolia Dean W. Taylor 1999-6-9 17238 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  CAS-BOT-BC143947  Horkelia daucifolia H. D. Ripley; R. C. Barneby 1948-7-5 9632 Siskiyou 2 mi. SW. of Yreka 853 Comment
  JEPS44539  Horkelia daucifolia Geo. D. Butler 1909-4-27 603 Siskiyou Comment
  UC673253  Horkelia daucifolia Lincoln Constance and Reed C. Rollins 1942-5-13 2913 Siskiyou 2 mi s Scott Bar; Klamath Siskiyou Region, Scott River 548 Comment
  CHSC30905  Horkelia fusca subsp. parviflora M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3258 Siskiyou Yellow Pine plantation, ca. 50 ft e of Hwy 15, ca. 3 mi n of its jct with Hwy 89, ca. 17 mi e of McCloud. Comment
  RSA211178  Horkelia fusca subsp. parviflora William J. Ferlatte 1966-6-22 69 Siskiyou Big Flat wooded area near public camp. 1524 Comment
  CAS-BOT-BC538242  Horkelia tridentata var. flavescens J. H. Thomas 1954-5-12 4123 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville 975 Comment
  CAS-BOT-BC539433  Horkelia tridentata var. tridentata Alice Eastwood 1912-7-15 1062 Siskiyou McCloud Comment
  CHSC870  Hosackia crassifolia V. Holt 1932-6-4 Siskiyou Spring Hill near Mt. Shasta City. 1127 Comment
  UC90396  Hulsea nana J. D. Hooker and A. Gray 1877-1 Siskiyou Shasta Comment
  UC1046527  Hydrophyllum fendleri var. albifrons R. Bacigalupi, L. Constance, J. P. Tracy, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-16 3451 Siskiyou Poker Flat Siskiyou Mountains (near summit of Takilma-Happy Camp Road over Siskiyou Mountains, at Del Norte-Siskiyou County line) 1630 Comment
  JEPS82677  Hydrophyllum occidentale Wayne Roderick 1984-6-7 Siskiyou sw of Stewart Springs (Cabin Meadow); Cabin Meadow 1935 Comment
  UC666569  Hydrophyllum occidentale A. A. Beetle with G. L. Stebbins Jr. 1942-6-1 3418 Siskiyou 5 mi w Gazelle (canyon n of Willow Creek) Comment
  UC24095  Hydrophyllum occidentale unknown Jun 1896 Siskiyou Squaw [illegible]; Mt. Diablo Base 121 W 1066 Comment
  CAS-BOT-BC312850  Hymenoxys lemmonii A. A. Heller 1918-7-25 13083 Siskiyou Shasta Valley between Cazelle and Edgwood [Edgewood] Comment
  CAS-BOT-BC400983  Hypericum anagalloides Geo. D. Butler 1910-7-12 1765 Siskiyou Shackleford Creek 1219 Comment
  UCD78092  Hypericum anagalloides Robert E. Preston 2001-6-23 1576 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
  HSC29262  Hypericum perforatum Frederick W. Oettinger 1969-8-24 1525 Siskiyou Marble Mtn. Wilderness Area, between English Lake and Sundew Bog 1799 Comment
  HSC36738  Hypericum perforatum Brent Whiteley 1975-6-17 1 Siskiyou 223 Comment
  UCD110385  Hypericum perforatum subsp. perforatum Daryl Koutnik; Martha Townsend 1979-9-10 s.n. Siskiyou Southwest of Etna, near Etna Bridge. 1066 Comment
  HSC67480  Hypochaeris radicata J. P. Smith, Steve Selva 1970-6-15 3902 Siskiyou 10 mi. NW of Forks of Salmon Comment
  OBI55432  Hypochaeris radicata David J. Keil 1992-7-20 23491 Siskiyou Klamath Natl forest, W of Fort Jones. Along forest rd 44N45, 2 mi S of Scott River rd 1000 Comment
  UC856770  Idahoa scapigera Louis C. Wheeler 1935-3-16 3373 Siskiyou Klamathon, Klamath River Klamath River; Klamathon, Klamath River 701 Comment
  HSC89866  Iliamna bakeri L. R. Heckard, Lincoln Constance, Robert Ornduff 1969-6-24 2290 Siskiyou NW side of Mt. Shasta along Hwy. 97, 0.7 miles S of Bolam road junction Comment
  RSA77044  Iliamna latibracteata F. W. Peirson 1923-7-17 3772 Siskiyou Whitney Creek, foot of Mt. Shasta Comment
  UC726812  Ipomopsis aggregata A. A. Heller 1938-7-12 15250 Siskiyou 5 mi n Weed (along US Hwy 97) 1066 Comment
  UCR47889  Ipomopsis aggregata 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
  HSC29285  Ipomopsis aggregata subsp. aggregata Frederick W. Oettinger, R. F. Thorne 1969-8-8 1282 Siskiyou Marble Mtn. Wilderness Area, Sundew Bog near English Lake 1829 Comment
  POM252974  Ipomopsis aggregata subsp. formosissima A. A. Heller 1938-7-12 15250 Siskiyou 5 miles north of Weed along highway 97 Comment
  POM75574  Ipomopsis aggregata subsp. formosissima Geo D. Butler 1910-7-12 1744 Siskiyou Shackleford Creek. 1220 Comment
  RSA101648  Ipomopsis aggregata subsp. formosissima T. Macbride 1894-08 s.n. Siskiyou Mt. Shasta, California Comment
  RSA114972  Ipomopsis aggregata subsp. formosissima E. K. Balls, Lee W. Lenz 1956-6-18 21803 Siskiyou 4.4 mi. e. of McCloud, State Hwy. 89 1037 Comment
  RSA238795  Ipomopsis aggregata subsp. formosissima Frederick W. Oettinger, R. F. Thorne 1969-8-8 1282 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  SEINET516146  Ipomopsis congesta Vernon H. Oswald 1998-9-8 9612 Siskiyou Junction of USFS 3 and 24 ca. 2.5 mi west-southwest of Hambone Butte, ca. 30 air mi north of Burney. 1311 Comment
  UC1040721  Ipomopsis congesta W. Bridge Cooke 1956-7-16 30294 Siskiyou above Hotlum Station (along old logging rd); Moutn Shasta, n side 1524 Comment
  RSA105310  Ipomopsis congesta Milo S. Baker 1955-6-26 13081 Siskiyou Hwy 99, 4 miles south of Gazella 915 Comment
  JEPS109259  Ipomopsis congesta subsp. congesta D. W. Taylor 2002-7-29 18288 Siskiyou South China Mountain; cirque at head of the W fork of Huston Creek (Huston Creek Divide on USFS trail sign at summit) ca 0.4 miles E of summit. Comment
  CAS-BOT-BC540703  Iris innominata Dana York 2012-7-21 3133 Siskiyou Siskiyou Mountains: boundary of the Rogue River-Siskiyou and Klamath national forests, ca. 750 m ENE of Red Butte 1850 Comment
  UC164387  Iris missouriensis Geo. D. Butler 1910-6-3 1467 Siskiyou Quartz Valley Comment
  CAS-BOT-BC88651  Isatis tinctoria Gilbert Muth 1960-7-5 349 Siskiyou Lover Camp. 1249 Comment
  CAS-BOT-BC88666  Isatis tinctoria William Bridge Cooke 1940-6-20 15150 Siskiyou Along the Pacific Highway in the Klamath River gorge. 609 Comment
  POM266322  Isatis tinctoria Marion Ownbey, Fred G. Meyer 1940-7-7 2208 Siskiyou Soap Ridge Road, SW of Yreka. Comment
  UCD115197  Isatis tinctoria Collector unknown 1950-1 s.n. Siskiyou location unknown. Comment
  UCD115198  Isatis tinctoria R. C. Bacigalupi; S. Galen Smith 1957-6-27 5973 Siskiyou Grass Lake, along Highway 97. 1524 Comment
  UC1408845  Isoetes bolanderi Frederick W. Oettinger 1969-7-29 1095 Siskiyou Dry Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2026 Comment
  UC922488  Isoetes occidentalis Annie M. Alexander and Louise Kellogg 1949-7-29 5893 Siskiyou hidden lake above Sky High Lake; Marble Mts, Sky High Valley 1859 Comment
  SEINET10573312  Isopyrum stipitatum Edward L. Greene 1876-1 Greene 689 Siskiyou Collected near Yreka Comment
  HSC2322  Iva axillaris Geo. D. Butler 1910-9-12 1874 Siskiyou Near Lower Klamath Lake 1220 Comment
  JEPS121621  Juncus balticus Jennifer Buck, Deborah Stout 2011-8-24 Siskiyou Middle Fork Sacramento River headwaters, east slope of the Eddys, near Toad Lake. Gently sloping open meadow within lodgepole pine forest on ultramafic soil. W aspect. Mount Eddy quadrangle. TL01A Comment
  RSA759843  Juncus covillei Robert F. Thorne 1969-8-2 63397 Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak 1159 Comment
  RSA238900  Juncus drummondii Frederick W. Oettinger 1968-9-9 797 Siskiyou Along the shoreline of Tom s Upper Pond. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2020 Comment
  UCD77267  Juncus drummondii Robert E. Preston 2001-6-23 1555 Siskiyou Klamath National Forest, n slope of Rainbow Mtn. 1767 Comment
  RSA368220  Juncus effusus subsp. pacificus Henry M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, near Somes Bar. Comment
  HSC22183  Juncus mertensianus J. O. Sawyer 1969-7-18 1418 Siskiyou Head of S Russian Creek 1829 Comment
  UC1106413  Juncus mertensianus Peter Kamb 1949-8-25 1486 Siskiyou above Horse Camp (sw slope of Mt. Shasta); Mt. Shasta 2621 Comment
  HSC96563  Juncus mertensianus Gordon Leppig, J. Kalt 1996-7-9 355 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  UC1265332  Juncus mertensianus Frederick W. Oettinger 1969-8-22 1501 Siskiyou s side Horse's Hold pond (above Horse Range Lake, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1874 Comment
  HSC14091  Juncus mexicanus R. C. Wunner 1965-6-22 259 Siskiyou Lava Beds National Monument, Canby Bay 1220 Comment
  UC1100994  Juncus nevadensis Herbert L. Mason 1948-7-18 13614 Siskiyou Grass Lake Comment
  HSC19247  Juncus parryi J. O. Sawyer 1969-8-1 1686 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  RSA21885  Juncus parryi J. T. Howell 1939-8-3 15009 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  POM110818  Juncus xiphioides Geo D. Butler 1910-7-15 1784 Siskiyou Oro Fino Comment
  CAS-BOT-BC81134  Juniperus communis Arthur Menzies 1956-8-1 s.n. Siskiyou Above Panther Meadow, Mt. Shasta 2743 Comment
  CAS-BOT-BC81230  Juniperus occidentalis G. A. Coleman 1907-1 s.n. Siskiyou E. of Fort Scott River near Hudson's Mill - Sec. 16 Twp. 41 Comment
  NY19866  Juniperus occidentalis E. B. Copeland 1903-7-4 3545 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
  POM120220  Juniperus occidentalis var. occidentalis Geo D. Butler 1908-8-16 227 Siskiyou Near Yreka 915 Comment
  RSA120815  Juniperus occidentalis var. occidentalis G. D. Barbe 1955-6-28 19 Siskiyou 0.6 mile north of Callahan, 50 yds from the road. 1037 Comment
  UC1408759  Keckiella lemmonii Frederick W. Oettinger and R. F. Thorne 1969-8-5 1211 Siskiyou above Willow Spring (on English Lake Trail, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1706 Comment
  SBBG15963  Kelloggia galioides D. Myrick 1961-6-22 317 Siskiyou Hwy 89 near McCloud 914 Comment
  SEINET10500753  Kelloggia galioides Mary Merello 1993-6-25 Merello 725 Siskiyou Shasta National Forest. At end of Forest Service Road 39N 28, road to Lower Falls and Fowlers Campground. Open conifer woodlands. Disturbed. Along McCloud River. 970 Comment
  UC1177930  Kelloggia galioides Francia Chisaki and Gene B. Newcomb 1958-6-22 1153 Siskiyou base of Black Butte (Highway 99, e of the road) Comment
  CHSC86623  Koeleria macrantha Jenny Marr 1993-7-1 6 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  SEINET212850 Image available Koeleria macrantha L. E. Detling 1959-6-7 8213 Siskiyou Brush Cr near Klamath River 716 Comment
  CAS-BOT-BC499654  Kopsiopsis strobilacea J. H. Thomas 1954-5-14 4184 Siskiyou Salmon Mountains, Klamath National Forest (sw part of county). Near South Fork of Salmon River, 5--9 mi SE of Cecilville, along N side of river 1219 Comment
  CAS-BOT-BC340378  Kyhosia bolanderi Louis C. Wheeler 1934-8-10 3103 Siskiyou Dead Cow Creek, Siskiyou Mts. 1828 Comment
  RSA17698  Lappula occidentalis var. occidentalis Elmer I. Applegate 1935-6-5 9307 Siskiyou Capt. Jack s Stronghold, Lava Beds National Monument Comment
  CAS-BOT-BC204930  Lathyrus Roxana S. Ferris; Laura Lorraine 1948-6-12 11809 Siskiyou At Mule Creek crossing of Scott Mountain Road 1524 Comment
  UCD106202  Lathyrus brownii A. A. Heller 1915-7-16 12096 Siskiyou North side of Mt. Eddy. 1524 Comment
  SEINET3131408  Lathyrus californicus G. D. Butler 1910-7-6 1644 Siskiyou Shackleford Creek 914 Comment
  UC164009  Lathyrus lanszwertii var. tracyi Geo. D. Butler 1910-5-5 1288 Siskiyou Humbug Mountain Comment
  SBBG15261  Lathyrus nevadensis D. Myrick 1961-6-21 302 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1371 Comment
  UC162610  Lathyrus nevadensis var. nevadensis Harley P. Chandler Jun 1901 1629 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  SEINET10577313 Image available Lathyrus pauciflorus subsp. brownii H. E. Brown 1897-6-11 Brown 391 Siskiyou North Side Mt. Shasta. 1524 Comment
  HSC61500  Lathyrus tracyi Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1220 Comment
  UC1540009  Layia glandulosa M. Mitchell 1936-5-8 9 Siskiyou 1/2 mi ssw of Hospital Rock; Lava Beds National Monument 1242 Comment
  UC1409446  Ledum glandulosum Frederick W. Oettinger 1968-8-2 349 Siskiyou s of Diamond Lake (in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 2072 Comment
  CHSC91370  Lemna minuta Lowell Ahart; John Dittes 2005-6-10 12110 Siskiyou At intake pipe, at pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CAS-BOT-BC89838  Lepidium nitidum L. E. Smith 1913-4-2 s.n. Siskiyou Hornbrook Road to Klamathon. Comment
  UCD115871  Lepidium virginicum A. A. Heller 1916-8-24 12561 Siskiyou Near Sisson. 1074 Comment
  RSA238566  Leptosiphon nuttallii Frederick W. Oettinger 1969-9-5 1687 Siskiyou Next basin east of Salamander Pond, near Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  POM298649  Lesquerella occidentalis Lincoln Constance, H. L. Mason, J. F. Davidson, J. M. Tucker 1947-5-17 3199 Siskiyou Summit of NW spur of Scott Mountain. 183 Comment
  RSA183657  Lesquerella occidentalis Gilbert Muth 1965-8-12 219 Siskiyou Behind Black Mtn, Marble Mtns. Comment
  SEINET12006370  Lesquerella occidentalis H. P. Chandler 1901-1 1653 Siskiyou Marble Mountain 2438 Comment
  UC722121  Lesquerella occidentalis subsp. occidentalis C. L. Hitchcock and J. S. Martin 1939-7-9 5305 Siskiyou n side Black Mt. (near Marble Mt. (King's Castle)); n side of Black Mt. near Marble Mt. (King's Castle) 2072 Comment
  RSA170201  Lessingia nemaclada Joseph P. Tracy 1949-9-14 18552 Siskiyou At Summerville' on South Fork of Salmon River, 5 miles SE of Cecilville 762 Comment
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Sep 27 2007
  HSC43145  Lessingia nemaclada Ken Stillman 1976-8-24 412 Siskiyou E and N slopes of Williams Point 366 Comment
  POM41722  Lessingia nemaclada Geo. D. Butler 1908-8-2 341 Siskiyou Oro Fino Comment
  CDA7525  Leucanthemum vulgare Don Shaw 1980-6-23 Siskiyou Off Scott River Road near Fort Jones. 0 Comment
  UCSB14919  Leucanthemum vulgare 1962-6-10 Siskiyou On the north bank of the Klamath River at its junction with Goff Creek, 4.5 miles west of Seiad 411 Comment
  CAS-BOT-BC58259  Leucothoe davisiae W. R. Dudley 1901-8-18 s.n. Siskiyou E. along shore of Jackson Lake, Salmon Mts. Comment
  HSC4873  Leucothoe davisiae J. O. Sawyer 1968-6-25 306 Siskiyou NE of N Horse Range Lake 2012 Comment
  UCD117528  Leucothoe davisiae David T. Mason 1961-8-14 s.n. Siskiyou South end of lake, Heart Lake (ca. 1 mile west of Castle Lake). 701 Comment
  SEINET4903945  Lewisia columbiana Jack Seely 1991-5-27 s.n. Siskiyou Klamath National Forest, West Branch (2200 ft) Forest service Camp Ground, Poker Flats (5200 ft) a high mountain meadow. Comment
  UCD101582  Lewisia cotyledon Rolf Y. Berg 1964-7-15 8271 Siskiyou Seiad Valley Pass near Lily Pad Lake (W. of Cook and Green Pass.) Siskiyou Mountains. Comment
  UCD19287  Lewisia cotyledon Julie Knorr 1978-7-14 18 Siskiyou Marble Mountain Wilderness, rocky bluff 1 mi. below summit lake on trail. 1889 Comment
  CAS-BOT-BC444056  Lewisia cotyledon var. cotyledon Doris K. Kildale 1929-7-20 8581 Siskiyou East spur of Preston Peak above Rockefeller Lake 2133 Comment
  HSC69030  Lewisia cotyledon var. cotyledon Maralyn A. Renner 1980-7-28 2179 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  CAS-BOT-BC444042  Lewisia cotyledon var. cotyledon Lester Rowntree 1937-7-27 s.n. Siskiyou Caribou Lakes, Siskiyou Lakes [County?] Comment
  HSC82171  Lewisia cotyledon var. cotyledon T. Jimerson 1985-7-13 Siskiyou Around Devil's Punchbowl 1677 Comment
  UC1299365  Lewisia leeana Freed W. Hoffman 1951-7-15 4027 Siskiyou above Packers Valley; Marble Mountains 2133 Comment
  HSC99206  Lewisia leeana J. O. Sawyer 1969-7-2 1033 Siskiyou NE facing slope near summit above Lipstick Lake 2226 Comment
  UCD101616  Lewisia leeana J. M. Tucker 1963-7-8 3731 Siskiyou 1 mile south of Paradise Lake, Marble Mountains Wilderness Area. Beside trail to Marble Valley. 1981 Comment
  HSC77041  Lewisia triphylla K. T. Stillman 1976-6-25 24 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  JEPS43207  Lewisia triphylla W. L. Jepson 1907-7-6 2853 a Siskiyou ridge above Cudahay Valley; Marble Mt. Reg. Comment
  RSA105444  Leymus condensatus Milo S. Baker 1955-6-27 13087 Siskiyou Klamath Mountains; Highway 99 4 mi. S of Gazelle 915 Comment
  CAS-BOT-BC272171  Leymus triticoides L. E. Smith 1915-7-1 s.n. Siskiyou Bray Comment
  POM215709  Leymus triticoides L. C. Wheeler 1934-9-22 3293 Siskiyou Walker, Klamath River; Siskiyou Mts. 518 Comment
  UC1037116  Leymus triticoides Leo Whitney 1934-6-29 2251 b Siskiyou near Tennant; Antelope Creek 1463 Comment
  CDA32491  Leymus triticoides Unknown 1959-1-15 s.n. Siskiyou Ager, Southern Pacific Railway 0 Comment
  CDA15521  Ligusticum apiifolium G. F. Hrusa 1998-7-5 14689 Siskiyou Siskiyou Mountains; Bear Creek Rd. +- 1/2 mi. N of Hwy 96 and 10 mi. SW of Happy Camp. Sheet 1 of 2 Comment
  CAS-BOT-BC436535  Ligusticum californicum John Thomas Howell 1939-8-2 14888 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC570  Lilium kelleyanum William J. Ferlatte 1967-7-25 721 Siskiyou Caribou Basin 1982 Comment
  HSC81563  Lilium kelleyanum Thomas W. Nelson, Jane P. Nelson 1980-7-19 6200 Siskiyou Along USFS Rd. 40N17 1.0 mi. from junction with Callahan-Cecilville Rd. 1585 Comment
  CAS-BOT-BC509366  Lilium kelleyanum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 7 Siskiyou On bottom of canyon and along banks of Cow Creek about 10 miles NE of Sawyer's Bar, on road to Etna. 975 Comment
  CAS-BOT-BC130814  Lilium pardalinum Geo. D. Butler 1910-6-6 1454 Siskiyou Quartz Valley Comment
  SEINET8480730  Lilium pardalinum G. D. Butler 1910-6-6 1454 Siskiyou Quartz Valley. Comment
  POM109713  Lilium pardalinum subsp. vollmeri Geo D. Butler 1910-6-6 1454 Siskiyou Quartz Valley Comment
  RSA0000361  Lilium pardalinum subsp. wigginsii L. Beane, A. M. Vollmer 1954-7-16 1266 Siskiyou Siskiyou Mountains near Oregon border, west of highway 99. Comment
  POM109728  Lilium washingtonianum subsp. purpurascens Geo D. Butler 1910-6-5 1484 Siskiyou Shackleford Creek Comment
  CHSC2297  Lilium washingtonianum subsp. washingtonianum V. Holt 1932-7-3 Siskiyou Near Mt. Shasta City. 1097 Comment
  UC106763  Linanthus harknessii K. Brandegee Jul 1887 Siskiyou Siskiyou Mountains Comment
  UCR131613  Lindernia dubia var. dubia L. C. Wheeler 1934-9-15 3261 Siskiyou Siskiyou Mtns., Walker, Klamath River 518 Comment
  CAS-BOT-BC240391  Linnaea borealis subsp. longiflora David D. Keck 1938-8-6 4823 Siskiyou At Del Norte Co. line, Poker Flat, Siskiyou Mts., south of summit 1340 Comment
  CAS-BOT-BC416406  Linnaea borealis subsp. longiflora David D. Keck 1938-8-6 4823 Siskiyou At Del Norte Co. line, Poker Flat, Siskiyou Mts., south of summit 1341 Comment
  UC4707  Listera convallarioides C. B. Bradley 1897-1 Siskiyou Comment
  UC5490  Lithocarpus densiflorus W. H. Brewer 1862-6-17 1443 Siskiyou between Camp 98 and Soda Springs; Mt. Shasta Comment
  CAS-BOT-BC36575  Lithocarpus densiflorus var. echinoides Wm. Bridge Cooke 1941-9-16 16321 Siskiyou along trail to Castle Lake Road 1219 Comment
  RSA3388  Lithocarpus densiflorus var. echinoides Carl B. Wolf 1931-9-2 2393 Siskiyou Above junction of McCloud road with the Pacific Highway. 1189 Comment
  UC1040688  Lithocarpus densiflorus var. echinoides Beecher Crampton 1956-8-21 3850 Siskiyou just above junction of North Fork with Middle and South Forks (canyon of the Sacramento River) 1066 Comment
  HSC91190  Lithophragma glabrum Jennifer Whipple 1978-6-5 2352 Siskiyou Pass between Eddy Creek and Deadfall Creek drainages 2073 Comment
  UC1167563  Lithophragma glabrum Gene B. Newcomb and H. G. Baker Mar 28 1959-Mar 29 1959 244 Siskiyou on US Highway 99, 4.5 mi n Yreka City limits 914 Comment
  UC858173  Lithophragma glabrum Frank W. Gould 1940-5-15 1243 Siskiyou on road from Mt. Hebron to Montague Bald Mountain 1676 Comment
  HSC22237  Lithophragma heterophyllum J. O. Sawyer 1969-7-11 863 Siskiyou Ravine above C.C.C. road. 1280 Comment
  HSC22240  Lithophragma heterophyllum J. O. Sawyer 1969-7-18 1378 Siskiyou Near South Russian Creek 1890 Comment
  UCD58332  Lithospermum arvense Steve Orloff 2007-5-22 1 Siskiyou On Island Road in Scott Valley just south of Ft. Jones. Comment
  CAS-BOT-BC317336  Lithospermum californicum Doris K. Kildale 1929-7-20 8553 Siskiyou Trail up South Fork Indian Creek to Elk Lick Comment
  CHSC31062  Lithospermum californicum M. S. Taylor 1980-7-8 3088 Siskiyou On n side of Castle Lake Rd (39N24), ca. 0.9 mi w of its jct with 40N26 at se side of Lake Siskiyou. 1036 Comment
  POM265895  Lithospermum californicum Lincoln Constance, R. Rollins 1942-5-12 2899 Siskiyou Klamath River 12 miles S of Happy Camp. 305 Comment
  RSA238265  Lomatium dissectum var. multifidum Frederick W. Oettinger 1969-7-9 946 Siskiyou Northwest of upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1845 Comment
  JEPS91126  Lomatium engelmannii Dean Wm. Taylor with Craig Martz, Joe Molter, Barbara Williams, Julie Nelson 1997-5-4 15982 Siskiyou along Yreka Ditch ca. 4 air mi sw Gazelle (hillslopes of mts., bordering Shasta Valley, China Mountain 7 1/2' USGS quadrangle); Klamath Region, Scott Mountains 960 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
  RSA105399  Lomatium nudicaule G. D. Barbe 1955-7-5 112 Siskiyou 1 mile north of Etna on the middle valley road 884 Comment
  POM265882  Lomatium peckianum Lincoln Constance, Reed Rollins 1942-5-14 2918 Siskiyou 1 mile E of Yreka 762 Comment
  POM82357  Lomatium triternatum Geo. D. Butler 1910-5-21 1380 Siskiyou Klamath hills Comment
  CDA42196  Lonicera ciliosa D. H. Shaw 1977-5-26 s.n. Siskiyou Walker Creek, near Seiad. 0 Comment
  RSA105386  Lonicera conjugialis G. D. Barbe 1955-7-6 130 Siskiyou SE shore of Taylor Lake, Salmon Mtns. 1951 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
  POM68733  Lonicera hispidula var. vacillans Geo. D. Butler 1910-6-17 1571 Siskiyou Thickets near Yreka. Comment
  UC1045270  Lonicera interrupta W. Bridge Cooke 1940-6-20 15161 Siskiyou along the Pacific Highway Klamath River Gorge Comment
  UC28530  Lonicera interrupta Miss Edmonds July 1890 Siskiyou Comment
  CDA15534  Lotus crassifolius G. F. Hrusa 1998-7-5 14702 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 8.8. Comment
  HSC103350  Lotus crassifolius var. crassifolius Thomas W. Nelson, Jane Nelson 1983-7-29 7510 Siskiyou Along Forest Service Rd. 41N14, 5 mi. N of junction with Callahan-Cecilville County Rd., at crossing over Sugar Creek. 1433 Comment
  UC163680  Lotus denticulatus Geo. D. Butler 1910-6-27 1610 Siskiyou Yreka Creek Comment
  POM27062  Lotus douglasii Geo. D. Butler 1910-5-31 1441 Siskiyou Near Yreka Comment
  JEPS100701  Lotus nevadensis var. nevadensis Dean Wm. Taylor with Glenn Clifton 1990-6-12 10874 Siskiyou Adobe Flat Reservoir, ca. 5 miles N of Timbered Crater, 1075 Comment
  JEPS75371  Lotus oblongifolius var. oblongifolius Geo. D. Butler 1908-8-21 397 Siskiyou Etna Creek 1158 Comment
  UC618758  Lotus oblongifolius var. oblongifolius unknown 1938-7-1 11115 Siskiyou along the creeks from Bear Springs Mount Shasta, Bear Springs 1524 Comment
  RSA32901  Lotus unifoliolatus A. A. Heller 1927-8-2 144398 Siskiyou Shasta Valley. Comment
  JEPS65175  Lotus wrangelianus W. L. Jepson 1940-6-22 19969 Siskiyou near Hornbrook; Cottonwood Creek 670 Comment
  HSC61603  Luetkea pectinata Ruby Van Deventer 28 Aug [year missing] Siskiyou Lookout Mtn. Comment
  HSC61975  Luetkea pectinata Al Hobart 25 Jul [year missing] Siskiyou Preston Peak 1982 Comment
  HSC69245  Luetkea pectinata Maralyn A. Renner 1980-9-1 2710 Siskiyou S side of Devil's Punchbowl 1829 Comment
  RSA119499  Lupinus C. P. Smith 1947-5-13 47269 Siskiyou 2.6 miles east of Weed. Highway 97. Comment
  HSC608  Lupinus albicaulis William J. Ferlatte 1967-7-26 760 Siskiyou NW side of Caribou Mtn., Browns Meadow. 1829 Comment
  UC1190235  Lupinus albicaulis var. shastensis Ira L. Wiggins 1955-7-21 13437 Siskiyou Rush Creek Trail 2 mi above Mt. View Ranch; Rush Creek Trail, above Mt. View Ranch 1097 Comment
  UC398668  Lupinus albicaulis var. shastensis A. A. Heller 1927-8-1 14436 Siskiyou near Shasta Springs (Type Station); near Shasta Springs Comment
  UC454636  Lupinus albicaulis var. shastensis I. J. Condit 1911-7-10 Siskiyou Shasta Retreat Comment
  CDA27353  Lupinus albicaulis var. shastensis C. S. Giebner 1963-7-31 Siskiyou Kerr property, Flying K Ranch, Quartz Valley, ca. 2 miles south of Mugginsville. 0 Comment
  RSA119507  Lupinus albicaulis var. shastensis W. Bridge Cooke 1938-7-29 386 Siskiyou Mt. Shasta 1220 Comment
  CAS-BOT-BC195961  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou Fort Jones Comment
  HSC2252  Lupinus andersonii Geo. D. Butler 1910-5-15 1349 Siskiyou Greenhorn Mtn. Comment
  RSA104556  Lupinus andersonii var. andersonii Leland S. Smith 1913-5-4 62032 Siskiyou Hornbrook Comment
  UC562841  Lupinus angustiflorus Elmer I. Applegate 1923-8-18 3877 Siskiyou e side Medicine Lake (Redshale Mountain); , e side of Medicine Lake Comment
  OBI59148  Lupinus arbustus Rhonda Riggins 1993-6-17 1688 Siskiyou Along CA 263, ca 1 mi N jct CA 96, 0,5mi S jct 15 Comment
  CAS-BOT-BC196377  Lupinus argenteus var. heteranthus Alice Eastwood; John Thomas Howell 1934-4-20 1757 Siskiyou Near Yreka, along Shasta River Comment
  RSA582458  Lupinus bicolor subsp. microphyllus Louis C. Wheeler 1935-5-18 3499 Siskiyou Siskiyou Mountains; Yreka Creek. 854 Comment
  CAS-BOT-BC215186  Lupinus croceus Alice Eastwood 1921-7-24 10714 Siskiyou Castle Lake Comment
  CAS-BOT-BC215198  Lupinus croceus Joy D. Mastrogiuseppe 1974-9-2 168 Siskiyou W slope of ridge of Red Rock Mountain 2225 Comment
  HSC23655  Lupinus croceus J. O. Sawyer 1969-6-12 906 Siskiyou On C.C.C. Rd. N of Wildcat Creek 1463 Comment
  JEPS64895  Lupinus klamathensis Geo. D. Butler 1909-5-8 709 Siskiyou Shasta Valley Comment
  SD125500  Lupinus klamathensis Melvin L. Conrad, D. B. Dunn, LeDoux 1973-6-2 6971 Siskiyou 1.5 miles west of the junction of Hwy 263 & Hwy 96 on Hwy 96, on south-facing slope of Klamath River Valley 730 Comment
  UC157008  Lupinus klamathensis Geo. D. Butler 1910-5-15 1349 Siskiyou Greenhorn Mountain 1066 Comment
  HSC63292  Lupinus latifolius subsp. viridifolius M. A. Baker 1979-7-31 1089 Siskiyou Marble Mtn. Wilderness, Tickner Hole 2000 Comment
  RSA413738  Lupinus latifolius subsp. viridifolius Louis C. Wheeler 1934-7-3 2874 Siskiyou Smoky Creek, Sterling Mt. 1494 Comment
  UC609361  Lupinus latifolius var. viridifolius Eleanor B. Hart 1938-8-16 894 Siskiyou n end Lower Wright Lake; n end of Lower Wright Lake 2072 Comment
  UC726316  Lupinus latifolius var. viridifolius A. A. Heller 1928-6-9 14601 Siskiyou Shasta Retreat Comment
  SEINET194957  Lupinus laxiflorus A. A. Heller 1938-7-12 15260 Siskiyou Border of a meadow east of Deer Mountain on the old U.S. Highway 97, toward Bray. 1402 Comment
  JEPS83242  Lupinus lepidus var. sellulus W. L. Jepson 1940-6-28 20060 Siskiyou McCloud 975 Comment
  UC138026  Lupinus microcarpus var. microcarpus Dr. E. B. Copeland 1903-7-2 3537 Siskiyou Klamathon Comment
  UC156994  Lupinus microcarpus var. microcarpus Geo. D. Butler 1910-5-21 1373 Siskiyou Klamath hills Comment
  UC156987  Lupinus nanus Geo. D. Butler 1909-4-7 662 Siskiyou near Yreka; near Yreka Comment
  RSA233670  Lupinus obtusilobus Robert F. Thorne, Fred Oettinger, K. Thorne 1969-8-10 38990 Siskiyou Mt. Shasta National Forst: S slope of Mt. Shasta. 2439 Comment
  RSA60881  Lupinus polyphyllus subsp. polyphyllus Frank W. Gould 1938-6-28 487 Siskiyou Near and north of Mt. Shasta (where Highway 97 crosses Butte Creek). 1418 Comment
  CHSC930  Lupinus polyphyllus var. pallidipes K. Jaekel 1939-7-7 Siskiyou Mt. Shasta. 1219 Comment
  POM24915  Lupinus sellulus subsp. sellulus Geo. D. Butler 1908-8-2 368 Siskiyou Quartz Valley Comment
  POM252843  Lupinus sellulus subsp. sellulus A. A. Heller 1938-7-12 15259 Siskiyou East of Deer Mountain. 1402 Comment
  HSC92407  Lupinus sellulus subsp. ursinus Jennifer Whipple 1978-10-6 2396 Siskiyou Mt. Eddy, N-facing slopes in the Eddy Creek Drainage 2317 Comment
  HSC71334  Lupinus sellulus var. artulus J. P. Smith, J. O. Sawyer 1972-6-30 5639 Siskiyou Junction of French Creek and Sugar Creek Rd., 1/2 mi. W of Parrott Mill Rd. 1250 Comment
  RSA183653  Lupinus sellulus var. lobbii Gilbert Muth 1965-8-12 211 Siskiyou 2/3 up meadow on back of Black Mountain. Comment
  HSC92866  Luzula comosa Jennifer Whipple 1976-7-8 1353 Siskiyou Along drainage into SW side of Dobkins Lake 2195 Comment
  POM215861  Luzula comosa var. laxa L. C. Wheeler 1934-6-12 2691 Siskiyou Hungry Creek Lookout, Siskiyou Mountains. (Mt. Diablo Mer.) 1463 Comment
  HSC24636  Lycium barbarum L. C. Wheeler 1934-11-4 3356 Siskiyou Scott Bar, Scott River, Marble Mts. 518 Comment
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Dec 6 2014
  UCR64616  Madia bolanderi L. C. Wheeler 1934-8-10 03103 Siskiyou Dead Cow Creek 1829 Comment
  RSA237493  Madia bolanderi Frederick W. Oettinger 1968-8-11 484 Siskiyou Meadow at Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 2043 Comment
  RSA237497  Madia bolanderi Frederick W. Oettinger, R. F. Thorne 1969-8-8 1296 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  HSC67033  Madia citrigracilis J. P. Smith, Steve Selva 1970-6-15 3895 Siskiyou Oak Bottom Campground near Somes Bar. 229 Comment
  CAS-BOT-BC342669  Madia citriodora K. L. Chambers 1967-6-22 2845 Siskiyou Siskiyou Mountains. Rocky knoll about 500 ft. above and east of the freeway (Hwy. 5) at the Hilts exit, Siskiyou Pass 1097 Comment
  CAS-BOT-BC344016  Madia elegans Carl B. Wolf 1927-8-26 1052 Siskiyou On the Klamath River, 3 mi. below Gottville Comment
  JEPS40344  Madia elegans Geo. D. Butler 1909-8-17 450 Siskiyou along creek near Yreka Comment
  UC195407  Madia elegans A. A. Heller 1916-8-24 12556 Siskiyou near Sisson 1074 Comment
  CAS-BOT-BC344008  Madia elegans Louis C. Wheeler 1934-9-18 3280 Siskiyou Klamath National Forest. Klamath River 548 Comment
  UC61073  Madia exigua W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC344546  Madia exigua Louis C. Wheeler 1934-6-2 2607 Siskiyou Klamath National Forest. Oak Knoll R. S. 670 Comment
  POM208255  Madia exigua L. C. Wheeler 1934-6-2 2607 Siskiyou Oak Knoll ranger station, Klamath River; Mt. Diablo Mer. 671 Comment
  CAS-BOT-BC343444  Madia gracilis A. A. Heller 1914-8-25 11707 Siskiyou Near Deetz Station opposite (near) Black Butte 1158 Comment
  CDA15522  Madia gracilis G. F. Hrusa 1998-7-5 14690 Siskiyou Siskiyou Mountains; Bear Creek Rd. +- 1/2 mi. N of Hwy 96 and 10 mi. SW of Happy Camp. Comment
  CAS-BOT-BC334707  Madia gracilis G. R. Kleeberger 1880-7-9 s.n. Siskiyou Mt. Bally 1524 Comment
  RSA237498  Madia gracilis subsp. gracilis Frederick W. Oettinger 1968-9-9 805 Siskiyou Salmon Mountains; the high lake basins in the vicinity of English Peak, Marble Mountains Wilderness Area: between Lower Pond and Tobacco Lake, over a ridge 1921 Comment
  RSA237332  Madia minima Frederick W. Oettinger 1967-6-24 116 Siskiyou Ridge near Etna Summit on road between Etna and Sawyer's Bar. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC61685  Madia sativa Geo. B. Grant September, 1902 5055 Siskiyou Mount Shasta Comment
  UC89419  Madia sativa subsp. dissitiflora T. S. Brandegee July 1887 Siskiyou Sisson's Mt. Shasta, Sisson's Comment
  RSA237462  Mahonia nervosa Frederick W. Oettinger 1969-8-25 1551 Siskiyou Little North Fork stream along new trail from end of logging road to Devils Canyon trail. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1220 Comment
  CAS-BOT-BC512758  Maianthemum racemosum subsp. amplexicaule H. E. Brown 1897-7-1 447 Siskiyou North side of Mount Shasta 2743 Comment
  CAS-BOT-BC514184  Maianthemum stellatum J. M. Tucker 1963-7-5 3702 Siskiyou Blake's Fork of South Russian Creek (a tributary of the Salmon River), 7 miles (airline) east of Sawyer's Bar, Salmon Mountains 1615 Comment
  UC109027  Malva neglecta Brandegee 1887-7-1 Siskiyou Edgewood Comment
  RSA441246  Marah oregana L. C. Wheeler 1934-7-3 2861 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. (Mt. Diablo Mer.) 1676 Comment
  CDA32501  Melica aristata L. P. Janeway 2002-7-13 7642 Siskiyou Rainbow Mountain Quad; High Cascade Range. Along a logging spur road 0.2 km southeast of Road 13 (Pilgrim Creek Road) 9.0 km northeast of the Military Pass Road (Road 19); 0.2 km north of Edison Creek Comment
  CHSC83261  Melica aristata L. P. Janeway 2002-7-13 7642 Siskiyou High Cascade Range. Along a logging spur road 0.2 km southeast of Road 13 (Pilgrim Creek Road) 9.0 kmk northeast of the Military Pass Road (Road 19); 0.2 km north of Edison Creek. 1347 Comment
  JEPS83999  Melica bulbosa L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6382 Siskiyou ca 1.5 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  HSC2190  Melica californica Lincoln Constance, R. C. Rollins 1942-5-14 2934 Siskiyou Shasta River, 6 mi. N of Yreka. 762 Comment
  UC165450  Melica fugax Geo. D. Butler 1910-4-30 1251 Siskiyou Yreka Comment
  CHSC4362  Melica geyeri J. Potter 1966-5-14 Siskiyou 3 mi se of Callahan Old Oregon Stage Rd. Comment
  JEPS85757  Melica subulata Roy E. Buck and Robert A. Price 1988-8-9 1071 Siskiyou ca 1.2 air km wnw Cub Spring (e of Forest Serv Rd 39N56, 28 air km e of McCloud, w side of n-draining intermittent stream) 1280 Comment
  CDA30915  Melilotus albus M. Beyers, G. F. Hrusa 2010-8-18 704 Siskiyou Highway 96; Sluice Box Klamath River Access. 556 Comment
  UC375406  Melilotus indicus Geo. D. Butler 1908-6-24 1038 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC428549  Micranthes aprica Alice Eastwood 1921-7-28 10909 Siskiyou Medicine Lake Comment
  CAS-BOT-BC429256  Micranthes oregana Geo. D. Butler 1910-6-19 1590 Siskiyou Goosenest foothills 1524 Comment
  CAS-BOT-BC322667  Microseris laciniata K. L. Chambers 1998-6-16 6132 Siskiyou Copco Road west of Iron Gate Reservoir 1.2 miles north of Klamath River bridge at Iron Gate Dam Comment
  UC1409493  Microseris laciniata subsp. siskiyouensis Frederick W. Oettinger 1969-7-11 966 Siskiyou English Lake Trail Salmon Mountains, Marble Mountain Wilderness Area (se-facing slope, high lake basins in vicinity of English Peak, w Siskiyou Co.) 1828 Comment
  UC585133  Microseris nutans E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2009 Siskiyou about 1.5 mi w Mt. Shasta City (e and ne slope of spur of Rainbow Ridge); Rainbow Ridge 1188 Comment
  UCD77864  Microseris nutans Robert E. Preston 2002-6-20 1838 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope. 1946 Comment
  RSA755951  Microseris nutans R. F. Thorne 1969-8-2 63352 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  SEINET12345976  Mimulus H. P. Chandler 1901-1 1641 Siskiyou Marble Mountain, North Coast Ranges 2438 Comment
  RSA237551  Mimulus guttatus Frederick W. Oettinger, Robert F. Thorne 1969-8-9 1310 Siskiyou Along trail near Young's Cabin near Abbott's Upper Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  HSC64881  Mimulus moschatus D. L. Goforth 1979-7-19 270 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin, .5 mi. S of upper lake 2226 Comment
  RSA14134  Mimulus nanus var. jepsonii Elmer I. Applegate 1923-8-18 3882 Siskiyou Medicine Lake. Comment
  RSA535617  Mimulus nanus var. jepsonii David M. Thompson 1988-6-4 931 Siskiyou Ca. 1.5 air mi SE of Deadhorse Summit. 1.3 mi NW of Shasta Co. line along Hwy 89. 1300 Comment
  JEPS60238  Mimulus nanus var. nanus L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2292 Siskiyou n Mt. Shasta (along U.S. Highway 97, 0.2 mi n of Yreka road junction) Comment
  UC1258471  Mimulus nasutus John Palmer 1980-8-13 789 Siskiyou near F.S. Rd. 47N44 (from Beaver Creek Road); Klamath National Forest, Condry Mtn. Quad., Dead Cow Creek 1615 Comment
  UC454789  Mimulus primuloides I. J. Condit 1909-8-22 Siskiyou Sisson Comment
  UCD77258  Mimulus primuloides Robert E. Preston 2001-7-20 1700 Siskiyou Klamath National Forest, Rainbow Mountain, N of Hemlock Lake. 1676 Comment
  UC1409384  Mimulus primuloides subsp. primuloides Frederick W. Oettinger 1968-8-14 519 Siskiyou Bear Meadow Salmon Mountains, Marble Mountain Wilderness Area, Tom's Lak (w Siskiyou Co., high lake basins in vicinity of English Peak) 2186 Comment
  HSC91003  Mimulus primuloides var. linearifolius Jennifer Whipple 1976-9-3 1781 Siskiyou Mt. Eddy, W-facing slope of the ridge between Durney Lake and Little Crater Lake 2287 Comment
  HSC68551  Minuartia douglasii Maralyn A. Renner 1980-6-8 801 Siskiyou Slopes E of Hwy. 3 1341 Comment
  CAS-BOT-BC388885  Minuartia douglasii John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53439 Siskiyou Slope 7 miles east of Callahan on road to Gazelle 1173 Comment
  CAS-BOT-BC174740  Minuartia nuttallii Elmer I. Applegate 1923-8-18 3864 Siskiyou Top of Redshale Mountain, east of Medicine Lake 2438 Comment
  HSC69047  Minuartia nuttallii subsp. gregaria Maralyn A. Renner 1980-8-7 2342 Siskiyou Klamath National Forest, ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  JEPS84228  Minuartia nuttallii subsp. gregaria L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6343 Siskiyou ca 7 mi nne Seiad Valley (sw of Cook and Green Pass, ca 1/2 mi se of Red Butte) 1730 Comment
  HSC60838  Minuartia nuttallii subsp. gregaria Al Hobart Siskiyou Black Butte Comment
  JEPS100204  Minuartia stolonifera Dean W. Taylor 2002-6-10 18120 Siskiyou Scott Mountain, Forest Road 40N08 0.25 miles E of the junction with Highway 3 (3 miles NE from Scott Mountain summit) 1341 Comment
  UC101220  Mirabilis greenei Thomas Howell May 1889 Siskiyou near Klamath River Comment
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Jun 12 2012
  UC165274  Mitella diversifolia Geo. D. Butler 1910-5-23 1391 Siskiyou Humbug Mountain 1219 Comment
  RSA238319  Mitella pentandra Frederick W. Oettinger 1968-8-10 459 Siskiyou Old trail along rock slide between Diamond Lake and Hancock Lake. Salmon Mtns. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1974 Comment
  JEPS82452  Mitella trifida Gilbert Muth 1966-7-17 400 Siskiyou Marble Valley Marble Mt. Wilderness Area (trail to Lookout) 1798 Comment
  CAS-BOT-BC433079  Mitella trifida Ella Dales Cantelow 1936-5-20 1415 Siskiyou Cow Creek. Turned here on Salmon Mt. Comment
  UC162893  Moehringia macrophylla Harley P. Chandler June, 1901 1568 Siskiyou near Marble Mountain (ridges and meadows); North Coast Ranges, near Marble Mountain 1828 Comment
  UC637081  Moehringia macrophylla Edward Lee 1934-8-13 1081 Siskiyou Happy Camp to Waldo (Oregon) road (watershed of West Branch of Indian Creek, Klamath National Forest); Klamath National Forest, watershed of West Branch Indian Cre 1463 Comment
  SEINET3996774 Image available Monardella odoratissima Marion Ownbey, Fred G. Meyer 1940-7-5 2182 Siskiyou East side of Mt. Shasta Comment
  RSA401675A  Monardella odoratissima M. B. Dunkle 9307 Siskiyou Klamath Nat l Forest, Marble Mountains, Sierra Nevada. Comment
  HSC61888  Monardella odoratissima subsp. odoratissima Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC220360  Monardella odoratissima subsp. pallida Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC222165  Monardella odoratissima subsp. pallida R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 162 Siskiyou Above Kidd Creek 1950 Comment
  CAS-BOT-BC222172  Monardella odoratissima subsp. pallida W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Lake Trail, near Mt. Shasta Comment
  JEPS94392  Monardella odoratissima subsp. pallida Vernon Oswald and Lowell Ahart 1997-7-28 8781 Siskiyou Forest Route 56 (42N56) 3.7 mi east of Forest Route 49 (edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave); Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave 1755 Comment
  RSA12593  Monardella odoratissima subsp. pallida Carl B. Wolf 1934-7-6 5993 Siskiyou 3 mi. from Mt. Shasta City on Wagon Camp Road. SW slope of Mt. Shasta. 1220 Comment
  UC618682  Monardella odoratissima subsp. pallida W. Bridge Cooke 1938-8-21 11544 Siskiyou Horse Camp Flats, Mount Shasta Comment
  SEINET10582082  Monardella odoratissima subsp. pallida A. Graff 1993-7-24 Graff 347 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
  RSA0022799  Monardella villosa Clare B. Hardham 1965-8-17 13070 Siskiyou 4-5 miles southwest of Klamath River. Orleans - Eureka road. Comment
  CAS-BOT-BC453478  Monotropa hypopitys Volney Rattan 1879-6-1 s.n. Siskiyou Klamath Comment
  RSA238375  Monotropa hypopitys Frederick W. Oettinger 1968-8-6 419 Siskiyou Along old Hancock Lake trail just before one descends into a clear view of the lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC73382  Montia chamissoi Doug Renwick, Robert Kirkpatrick 1981-5-30 160 Siskiyou 3 mi. from Hwy. 3 on FS Rd. 40N22 1220 Comment
  HSC49917  Montia linearis Maralyn O'Meara 1974-5-25 410 Siskiyou On Rd. 8, ~4.7 mi. W of junction with Hwy. 3 1159 Comment
  HSC60815  Montia linearis Ruby Van Deventer 1959-7-8 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC29455  Montia parvifolia Frederick W. Oettinger 1968-9-1 640 Siskiyou Marble Mtn. Wilderness Area, base of precipice S of Abbott's Lake 1799 Comment
  SEINET200836 Image available Muhlenbergia andina Joseph P. Tracy 1939-9-2 16470 Siskiyou Windy Camp on the old Gasquet Toll Road west of Patrick Creek. Comment
  HSC22448  Muhlenbergia filiformis J. O. Sawyer 1969-8-18 1978 Siskiyou S Sugar Lake Creek 1829 Comment
  UCD86716  Muhlenbergia filiformis R. Tofsrud 1950-7-1 s.n. Siskiyou E. side of Mt. Shasta. Comment
  JEPS1429  Nama densa W. L. Jepson 1940-6-23 19991 Siskiyou e Mayten (e side Little Shasta Valley); , e of Mayten 883 Comment
  UC1069117  Nama densa var. parviflora L. Whitney 1934-6-20 3 Siskiyou Tennant Dorris Quad., Tennant Comment
  CHSC28790  Nama lobbii J. D. Prouty 1979-8-22 7908221 Siskiyou E slopes of Mt. Shasta. 1950 Comment
  UC61055  Nama lobbii W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sissons Mount Shasta (Mount Shasta); , Sissons Comment
  UC1332135  Navarretia divaricata John Thomas Howell 1937-7-27 13572 Siskiyou near Big Flat; Salmon River 1524 Comment
  HSC78222  Navarretia divaricata var. divaricata L. P. Janeway 1983-8-28 646 Siskiyou Poker Flat 1529 Comment
  CHSC71308  Navarretia leucocephala subsp. minima Vernon H. Oswald 1998-6-11 9226 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. In vernal pool. 1295 Comment
  JEPS93858  Navarretia leucocephala subsp. minima Vernon H. Oswald and Lowell Ahart 1998-6-11 9226 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97); Butte Valley National Grassland 1295 Comment
  UC726811  Navarretia linearifolia subsp. linearifolia A. A. Heller 1916-7-20 12476 Siskiyou near Wagon Creek Falls; e side Mt. Eddy, near Wagon Creek Falls 1371 Comment
  HSC14290  Nepeta cataria L. C. Wheeler 1934-9-18 3279 Siskiyou Mt. Diablo Meridian, Siskiyou Mtns., Dutch Creek off Klamath River 701 Comment
  CHSC97390  Nicotiana attenuata Jenny Marr 2006-6-18 226 Siskiyou Cascade Range High. Plants collected along Hwy. 97. 1524 Comment
  RSA60666  Noccaea I. L. Wiggins 1950-5-28 12359 Siskiyou Margins of Carmen Lake, ca. 1.5 miles E of Scott Mtn road. 1738 Comment
  CAS-BOT-BC60581  Noccaea fendleri subsp. glauca Geo. D. Butler 1910-6-4 1503 Siskiyou Shackleford Creek. Comment
  CAS-BOT-BC60585  Noccaea fendleri subsp. glauca Jean Langenheim 1957-5-19 4344 Siskiyou At intersection of Miner's Creek road and Tiger Creek road. Comment
  HSC64808  Noccaea fendleri subsp. glauca J. P. Smith 1976-5-21 8765 Siskiyou Klamath National Forest, FS Rd. 40N08, 6.9 mi. from its junction with Hwy. 3 1524 Comment
  JEPS93853  Nothocalais troximoides Vernon H. Oswald and Lowell Ahart 1998-6-11 9199 Siskiyou Dry Lake on south side of Tennant Road, ca. 9 air mi east of Grass Lake, ca 22 air mi northeast of Weed. 1402 Comment
  CHSC69838  Nothochelone nemorosa J. O. Sawyer 1969-7-24 1457 Siskiyou Northeast facing slope above Sugar Lake. 1783 Comment
  HSC29309  Nuphar polysepala Frederick W. Oettinger 1969-8-1 1139 Siskiyou Marble Mtn. Wilderness Area, English Lake near inlet 1753 Comment
  SEINET3150351  Oenothera hookeri G. D. Butler 1910-7-30 1799 Siskiyou Yneka Creek Comment
  HSC35067  Olsynium douglasii var. douglasii J. P. Smith 1974-5-25 7648 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  RSA273347  Olsynium douglasii var. douglasii J. P. Smith 1974-5-26 7566 Siskiyou Along Forest Service Road 47N03 1524 Comment
  CDA7548  Onopordum acanthium J. R. Grisham 1963-6-25 Siskiyou In town of Dorris. 0 Comment
  CAS-BOT-BC349937  Onopordum acanthium T. C. Fuller 1963-8-26 11154 Siskiyou Bottomland of Greenhorn Valley, ca. 2 mi. w. of Yreka Comment
  CAS-BOT-BC355602  Oreostemma alpigenum var. andersonii Alice Eastwood 1912-8-30 1971 Siskiyou Mount Eddy Comment
  HSC4911  Oreostemma alpigenum var. andersonii J. O. Sawyer 1968-7-22 549 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  UC1608320  Oreostemma alpigenum var. andersonii J. Kierstead 1990-8-9 90 -132 Siskiyou Fawn Creek Meadow Shasta-Trinity National Forests, Mt. Shasta Ranger Dist., Mt (s side of mt., beyond end of Forest Service Rd 40N42) 1828 Comment
  RSA0059425  Orobanche fasciculata Frederick W. Oettinger 1969-7-28 1092 Siskiyou HIgh lake basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Hairpin switchback along trail from Tom Taylor Cabin to Pine Lake. 2004 Comment
  HSC45156  Orobanche uniflora J. O. Sawyer, E. Cope 1977-6-19 2950 Siskiyou Clear Creek Trail between Preston Creek and Trout Camp 915 Comment
  UC1028684  Orobanche uniflora subsp. occidentalis Herbert L. Mason 1947-5-17 14774 Siskiyou Summit of Scott Mountain grade. Trinity-Siskiyou Counties. Comment
  UC1299157  Orobanche uniflora subsp. occidentalis Freed W. Hoffman 1950-7-13 3767 Siskiyou Baldy Lookout, western Siskiyou County. Comment
  HSC146  Orthilia secunda William J. Ferlatte 1966-8-3 269 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's. 1524 Comment
  UCR101272  Orthilia secunda L. C. Wheeler 1959-7-25 7594 Siskiyou Marble Mountains, Camp Three, Rogers Creek 329 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
  CAS-BOT-BC458095  Orthilia secunda Alice Eastwood 1912-8-30 2044 Siskiyou Mt. Eddy Comment
  RSA0083199  Orthilia secunda L. C. Wheeler 1959-7-25 7594 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  UC70300  Orthilia secunda Milo S. Baker 1898-8-1 131 Siskiyou on hillside SW of Medecine Lake Comment
  SEINET3159726  Orthocarpus cuspidatus G. D. Butler 1910-6-19 1584 Siskiyou Goosenet foothills 1524 Comment
  JEPS84024  Orthocarpus cuspidatus subsp. copelandii L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6334 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Green Pass, ca 1/2 mi from of Red Butte); w of Cook and Green Pass, ca 1/2 air mi from Red Butte 1730 Comment
  UC1408869  Orthocarpus cuspidatus subsp. copelandii Frederick W. Oettinger 1968-8-11 477 Siskiyou e Tom Taylor Cabin spring (high lake basins in the vicinity of English Peak Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 2026 Comment
  UC2026467  Orthocarpus cuspidatus subsp. copelandii Louis C. Wheeler 1958-8-21 7412 Siskiyou Siskiyou Mountains. Lily Pad Lake. Comment
  UC609329  Orthocarpus cuspidatus subsp. copelandii Eleanor Burks Hart 1938-8-15 887 Siskiyou n side Upper Wright Lake 2225 Comment
  HSC60387  Orthocarpus cuspidatus subsp. copelandii Carl Wishner 1978-8-1 555 Siskiyou Sandy Ridge trail 11W21 above Monument Lake, Marble Mtns. Wilderness Area 1829 Comment
  RSA407987  Orthocarpus cuspidatus subsp. copelandii Louis C. Wheeler 1934-7-3 2851 Siskiyou Head of Soda Crk, Sterling Mt, Siskiyou Mtns. 1768 Comment
  RSA407988  Orthocarpus cuspidatus subsp. copelandii Louis C. Wheeler 1934-7-3 2858 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. 1677 Comment
  UCSB24668  Orthocarpus cuspidatus subsp. copelandii Hardham, Clare 1961-7-3 Siskiyou Scott Mtns. south of Calahan Comment
  UC164259  Orthocarpus cuspidatus subsp. cuspidatus Geo. D. Butler 1909-6-22 930 Siskiyou foothills Goosenest Mountain; foothills of Goosenest Mountain 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
  HSC22172  Osmorhiza berteroi J. O. Sawyer, D. E. Anderson 1969-7-18 1382 Siskiyou Near South Russian Creek 1890 Comment
  HSC4880  Osmorhiza berteroi J. O. Sawyer 1968-7-10 456 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  JEPS15927  Osmorhiza berteroi W. L. Jepson July, 1894 14253 Siskiyou Sisson Comment
  RSA459031  Osmorhiza berteroi L. C. Wheeler 1934-7-6 2885 Siskiyou Siskiyou Mountains, Hungry Creek 1098 Comment
  HSC92968  Oxyria digyna Jennifer Whipple 1976-7-25 1574 Siskiyou N face of Mt Eddy 2378 Comment
  UC1045303  Packera cana W. B. Cooke 1940-8-22 15478 Siskiyou along w rim Mud Creek Canyon; Mount Shasta, w rim Mud Creek Canyon Comment
  UC196954  Panicum capillare Geo. D. Butler 1910-8-13 1833 Siskiyou Quartz Valley Comment
  CDA3570  Papaver rhoeas D. Bush 1967-8-2 Siskiyou Southern Pacific Railroad right of way, Hatfield. 0 Comment
  SD46544  Papaver rhoeas E. K. Balls, L. W. Lenz 1956-6-18 21719 Siskiyou U. S. Highway 99, Gazelle. 822 Comment
  CAS-BOT-BC202846  Paxistima myrsinites Dorothy Parker 1950-6-4 446 Siskiyou Salmon Mt. 1920 Comment
  CAS-BOT-BC202852  Paxistima myrsinites Doris K. Kildale 1928-7-2 5346 Siskiyou Salmon Summit via Horn Creek trail 1981 Comment
  POM87425  Paxistima myrsinites Geo. D. Butler 1910-4-22 1219 Siskiyou Kidder Creek Comment
  UC114060  Paxistima myrsinites Dr. E. B. Copeland 1903-9-6 3880 Siskiyou Mt. Eddy 1402 Comment
  UC796618  Paxistima myrsinites Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11772 Siskiyou ca. 7 mi. from Etna (on Forks of Salmon Rd.) 1818 Comment
  HSC91148  Pedicularis attollens Jennifer Whipple 1976-7-23 1525 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC1733690  Pedicularis densiflora Frank Gould, Kay H. Beach 1940-5-16 1242 Siskiyou Bald Mt. Comment
  RSA238824  Pedicularis flavida Frederick W. Oettinger 1968-8-3 378 Siskiyou Base camp near Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  POM43387  Pedicularis flavida Geo. D. Butler 1908-8-5 42 Siskiyou West fork of Wooley Creek. 2134 Comment
  HSC699  Pedicularis racemosa William J. Ferlatte 1967-8-23 1101 Siskiyou Head of Kidd Creek 1982 Comment
  UC164360  Pedicularis racemosa Geo. D. Butler 1908-8-3 99 Siskiyou Shackleford Creek Comment
  UCR131623  Pedicularis racemosa L. C. Wheeler 1934-6-12 2702 Siskiyou Siskiyou Mountains, Hungry Creek 1280 Comment
  CAS-BOT-BC67689  Pellaea brachyptera Geo. D. Butler 1908-7-20 248 Siskiyou Humbug Mountain Comment
  UCR208056  Pellaea brachyptera L. C. Wheeler 1934-8-30 3227 Siskiyou Siskiyou Mountains, Trapper Creek 1372 Comment
  UC371164  Pellaea brachyptera G. D. Butler 1908-7-20 248 Siskiyou w side Humbug Mt Comment
  CAS-BOT-BC67672  Pellaea breweri John Thomas Howell 1939-8-2 14874 Siskiyou Marble Mts. - Spirit Lake 1828 Comment
  HSC26148  Pellaea breweri J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5689 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  UC185226  Pellaea breweri Geo. D. Butler 1910-7-9 1718 Siskiyou Marble Mt 1676 Comment
  CAS-BOT-BC67669  Pellaea breweri Gilbert Muth 1966-8-3 163 Siskiyou Marble Mountains 1792 Comment
  JEPS7204  Penstemon anguineus W. L. Jepson 1937-7-30 18537 Siskiyou near Poker Flat summit; Siskiyou Mts., nr Poker Flat summit 1584 Comment
  SBBG15654  Penstemon anguineus D. Myrick 1961-6-21 313 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1676 Comment
  UCD124033  Penstemon anguineus Roman Gankin; Brewer, Hildreth, Milam 1965-8-10 604 Siskiyou summit of Indian Creek Road, 3.5 miles south of California-Oregon State line. Comment
  UC1629928 Image available Penstemon cinicola Juha Pykala and D. H. Norris 1987-7-8 2423 Siskiyou s and w sides of lake, between lake and road Little Medicine Lake 2040 Comment
  CAS-BOT-BC265374  Penstemon davidsonii var. davidsonii Marion Ownbey; Fred G. Meyer 1940-7-4 2185 Siskiyou On ridge above head of Brewer Creek, E side of Mount Shasta Comment
  RSA15787  Penstemon deustus subsp. deustus Carl B. Wolf 1927-8-26 1012 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  SDSU10936  Penstemon deustus var. pedicellatus D. F. Howe 1964-8-4 3932 Siskiyou Probably Modoc or Shasta National Forest, 9 miles from entrance to Lava Bed National Monument. 2042 Comment
  RSA716056  Penstemon deustus var. suffrutescens L. Ahart 2005-6-9 12037 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  JEPS11273  Penstemon gracilentus W. L. Jepson 1940-6-27 20035 Siskiyou e slope Mt. Shasta 1828 Comment
  JEPS85633  Penstemon gracilentus W. L. Jepson 1940-6-23 20014 Siskiyou 2 mi se of Andesite (n of Mt. Shasta) 975 Comment
  UC313696  Penstemon gracilentus David D. Keck 1927-8-16 305 Siskiyou 4 mi e Mt. Shasta City (Sisson) (on w flank of Mt. Shasta); w flank of Mt. Shasta, e of Mt. Shasta City (Sisson) 1609 Comment
  RSA78949  Penstemon gracilentus E. K. Balls, Percy C. Everett 1952-10-12 18176 Siskiyou 3.1 mi W of Boundary, Lava Beds Nat'l Monument on road from Indian Well Ranger Station to Tenant. 1372 Comment
  SEINET13709361  Penstemon heterodoxus Lowell William Ahart, Lowell William Ahart, V. H. Oswald 1998-1 9329 Siskiyou Hwy. 97 Between Weed and Macdoel at E End Grass Lake (T44N, R3W, sec 24, SE 1/4) 5000 Ft. 1524 Comment
  SBBG30586  Penstemon heterodoxus var. cephalophorus D. Myrick 1968-6-27 2046 Siskiyou trail to Lake Josephine above Carter's Ranch 5 mi S of Big Flat 1828 Comment
  HSC20971  Penstemon humilis subsp. humilis D. M. Thomson 1965-6-19 102 Siskiyou Lava Beds National Monument, 0.5 mi. S of Merril Ice Cave, on fire road Comment
  HSC20972  Penstemon humilis subsp. humilis R. C. Wunner 1965-6-10 143 Siskiyou Lava Beds National Monument, Caldwell Butte above Caldwell Minor 1463 Comment
  JEPS116586  Penstemon humilis var. humilis Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -015 Siskiyou North side of Mt. Shasta, south Hwy 97, along Forest Service Rd. 42N15 unburned area within Hotlum Fire perimeter burned Feb 2006 ca. 4 mi NE town of Weed Mt. Shasta 1219 Comment
  HSC86525  Penstemon laetus D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  NY91154  Penstemon laetus subsp. sagittatus H. E. Brown 1897-6-1 360 Siskiyou Near Mount Shasta. 1828.8 Comment
  CHSC93546  Penstemon laetus var. sagittatus Lowell Ahart; John Dittes 2005-6-9 12029 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
  JEPS107410  Penstemon laetus var. sagittatus Lowell Ahart, John Dittes 2005-6-9 12029 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
  SD98974  Penstemon laetus var. sagittatus Darley F. Howe 1977-7-5 5000 Siskiyou 15 mi. SE of Granada 1219 Comment
  SEINET11262160  Penstemon laetus var. sagittatus Noel H. Holmgren, Patricia K. Holmgren 1980-7-1 9448 Siskiyou U.S. Highway 97, 8.7 km (5.4 mi) northeast of Weed.; 0 1100 Comment
  UC1874808  Penstemon laetus var. sagittatus Karl Vincent, Charlotte Labbe 1987-8-12 4510 Siskiyou Cascade Range, Mt. Shasta. Along E side of US 97 ca 5.1 mi NE of jct. I-5 Business Loop in Weed. 1158 Comment
  NY604564  Penstemon laetus var. sagittatus A. A. Heller 1938-7-12 15257 Siskiyou Along U.S. Highway 97, near the western base of Deer Mountain Comment
  RSA300514  Penstemon laetus var. sagittatus John Dourley, Walter Wisura 1982-10-17 3881 Siskiyou Mill Creek Ridge, ca. 18 mi N of Happy Camp, along old road up Indian Creek. 1524 Comment
  RSA43895  Penstemon laetus var. sagittatus H. M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road. 1220 Comment
  UCD69102  Penstemon laetus var. sagittatus D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-11 s.n. Siskiyou Siskiyou: Mount Shasta-Shasta Peak. J. Everitt Memorial Highway. White fir forests (Castanopsio sempervirentis-Abietetum lowianae Rivas-Martinez and Sanchez-Mata 1997). 1520 Comment
  CHSC31046  Penstemon newberryi M. S. Taylor; W. Overton 1980-7-8 3089 Siskiyou On n side of 40N43 at point in rd, ca. 2.4 mi w of its jct with 40N26 at w end of Lake Siskiyou. 1341 Comment
  HSC29276  Penstemon newberryi Frederick W. Oettinger 1968-9-1 655 Siskiyou Marble Mtn. Wilderness Area, cliffs E of Abbott's Lake 1799 Comment
  RSA101647  Penstemon newberryi subsp. newberryi Lilla Leach 1934-6-26 4872 Siskiyou Poker Flat. Comment
  RSA238828  Penstemon newberryi subsp. newberryi Frederick W. Oettinger 1968-9-1 655 Siskiyou East of Abbott's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  CAS-BOT-BC94463  Penstemon newberryi var. berryi R. C. Wenk 2005-7-19 321 Siskiyou Along Pacific Crest Trail, 2 miles S of parking lot at top of pass on National Forest Road 17, going towards Mt. Eddy 2164 Comment
  NY627425  Penstemon newberryi var. berryi J. T. Howell 1937-7-26 13516 Siskiyou Caribou Basin, Salmon-Trinity Alps 1981.2 Comment
  SFV10464  Penstemon newberryi var. newberryi M. L. Vincent 1967-6-29 723 Siskiyou On Mount Shasta. 2134 Comment
  UC1408780  Penstemon newberryi var. newberryi Frederick W. Oettinger 1968-9-6 747 Siskiyou Tom's Lake region Salmon Mountains, Marble Mountain Wilderness Area (Bear Meadow, Marble Mountain Wilderness Area, High Lake Basins in vicinity of English Peak, Salmon Mountains, western Siskiyou County) 2171 Comment
  UC887197  Penstemon newberryi var. newberryi Alice Eastwood 1912-7-19 1230 Siskiyou Mount Shasta Comment
  HSC76947  Penstemon parvulus K. T. Stillman 1976-7-15 264 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  POM299519  Penstemon parvulus Marion Ownbey, Fred G. Meyer 1940-7-7 2215 Siskiyou Near summit of Cayenne Ridge, Marble Mountain. Comment
  JEPS57172  Penstemon procerus subsp. formosus L. R. Heckard 1967-8-13 1703 Siskiyou summit region of Mount Eddy Mount Eddy 2743 Comment
  HSC69505  Penstemon procerus var. brachyanthus John Palmer 1980-7-24 655 Siskiyou Dillon Divide 1707 Comment
  HSC68490  Penstemon roezlii Maralyn A. Renner 1980-6-9 852 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  UC163815  Penstemon roezlii Geo. D. Butler 1901-6-23 1601 Siskiyou Yreka Creek Comment
  RSA60882  Penstemon shastensis Frank W. Gould 1938-6-28 486 Siskiyou Near and north of Mt Shasta (where Hwy 97 crosses Butte Creek). 1418 Comment
  HSC36808  Penstemon speciosus J. P. Smith 1974-5-27 7629 Siskiyou Along FS Rd. 47N03 1280 Comment
  UC887342  Penstemon speciosus A. A. Heller 1916-6-23 12424 Siskiyou near Black Butte (n of Sisson); near Black Butte 1127 Comment
  HSC58905  Perideridia gairdneri subsp. gairdneri Butler 1971-8-2 269 Siskiyou Near Youngs Valley 1403 Comment
  JEPS107491  Perideridia lemmonii Lowell Ahart, John Dittes 2005-6-10 12112 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  UC1258150  Perideridia leptocarpa Clifton and Ground 1978-6-27 1458 Siskiyou close to town Callahan (near Wildcat Creek); Etna Quad., near Wildcat Creek 1098 Comment
  RSA0000738  Perideridia leptocarpa Lincoln Constance, T. Chuang, F. M. Chuang, M. Sousa S. 1966-6-15 3768 Siskiyou 5 mi. NW of Cecilville on west-facing slope above Trinity R. 762 Comment
  HSC17506  Persicaria lapathifolia Geo. D. Butler 1908-7-8 191 Siskiyou Butler's Ranch. near Yreka Comment
  HSC103911  Phacelia corymbosa Dana York, Richard Helliwell 2010-9-11 3017 Siskiyou Six Rivers National Forest, boundary of Siskiyou Wilderness, NW slope of Broken Rib Mountain 1433 Comment
  HSC68991  Phacelia corymbosa Maralyn A. Renner 1980-7-28 2171 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  UC144628  Phacelia egena A. A. Heller 1905-6-8 7993 Siskiyou Yreka Comment
  JEPS79423  Phacelia greenei F. D. and C. L. Horn 1980-6-1 Siskiyou summit of hill Callahan, School House Hill (Callahan-Gazelle Rd, n edge of Section 1) Comment
  JEPS79424  Phacelia greenei F. D. and C. L. Horn 1980-5-31 Siskiyou Whipple Ranch Etna (nw corner of Section 25) Comment
  UC1483480  Phacelia greenei Maralyn A. Renner 1980-6-9 833 Siskiyou ridge se F.S. Road 45N35; Klamath National Forest, Yreka Quad. 1341 Comment
  HSC77056  Phacelia heterophylla subsp. virgata K. T. Stillman 1976-8-7 187 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  POM252978  Phacelia heterophylla subsp. virgata A. A. Heller 1938-7-12 15256 Siskiyou Near the western base of Deer Mountain on Highway 97. Comment
  HSC96659  Phacelia leonis Thomas W. Nelson, Susan Erwin 2004-6-3 9219 Siskiyou Along Hwy. 3 at mile post 84.14, .3 mi. from Scott Mountain Pass 1552 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
  UCD120556  Phacelia linearis E. K. Balls 1950-5-17 14725 Siskiyou New Lava Flow, rd. from Schonchin Butte to Capt. Jack's Stronghold, Lava Beds Nat'l Monument. 1493 Comment
  HSC2398  Phacelia mutabilis William J. Ferlatte 1966-8-18 418 Siskiyou Along S Fork of Salmon River between the campground and Carter's 1524 Comment
  UC923090  Phacelia mutabilis Freed W. Hoffman 1950-7-11 3313 Siskiyou Cedar Camp Rd 8.4 mi from Klamath Highway (w Siskiyou Co.); North Coast Ranges 914 Comment
  JEPS1089  Phacelia procera Geo. D. Butler 1908-8-9 14 Siskiyou camp below Marble Mountain 1676 Comment
  RSA602931  Phacelia procera Louis C. Wheeler 1958-8-21 7420 Siskiyou Siskiyou Mountains. Head of Hell's Canyon. Comment
  CHSC93535  Phacelia ramosissima var. ramosissima Lowell Ahart; John Dittes 2005-6-10 12084 Siskiyou Under a juniper tree, about 50 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
  HSC103014  Phalaris arundinacea J. P. Smith 2014-6-6 13871 Siskiyou Along State Route 96 at the Wingate River Access to the Klamath River 307 Comment
  HSC27638  Philadelphus californicus Carl W. Mize 1972-6-10 50 Siskiyou Along Steinacher Creek 0.5 mi. from Wooley Creek 290 Comment
  RSA0058049  Philadelphus lewisii Albert M. Vollmer, L. Beane 1951-6-2 38 Siskiyou Klamath River Hwy, between US 99 and Gottville. Comment
  JEPS94385  Phleum alpinum Vernon Oswald and Lowell Ahart 1997-7-28 8788 Siskiyou on road 43N54 at a meadow 0.6 mi se of Paynes Springs (se of Medicine Lake) 1920 Comment
  UCD118238  Phlox adsurgens Dean William Taylor 1972-7-3 1590 Siskiyou At Cook and Green Pass. 1371 Comment
  HSC36671  Phlox adsurgens Brent Whitely 1975-6-28 Siskiyou 915 Comment
  UCD118237  Phlox adsurgens G. L. Stebbins Jr.; A. A. Beetle 1942-6-1 3268 Siskiyou 15 miles north of Happy Camp, above Indian Creek. 1219 Comment
  UC455646  Phlox austromontana I. J. Condit 1911-7-22 Siskiyou Horse Camp Mt. Shasta 2438 Comment
  HSC68337  Phlox diffusa Maralyn A. Renner 1980-6-26 1231 Siskiyou SE edge of Flint Valley. 1390 Comment
  CAS-BOT-BC294731  Phlox diffusa James Vale 1979-6-4 s.n. Siskiyou Sierraville Comment
  POM65609  Phlox diffusa subsp. diffusa E. B. Copeland 1903-7-17 3511 Siskiyou Mt. Shasta 2317 Comment
  POM75617  Phlox diffusa subsp. diffusa Geo D. Butler 1910-7-8 1688 Siskiyou Shakleford Creek 1372 Comment
  CAS-BOT-BC232823  Phlox hirsuta Alice Eastwood; John Thomas Howell 1934-4-20 1751 Siskiyou Near Yreka on Ft. Jones road Comment
  CAS-BOT-BC294728  Phlox hirsuta Craig Martz 1985-5-22 225 Siskiyou State Route 3, 2.5 miles SW of Laura Ave. in vicinity of Red Gulch. CNDDB Occurrence no. 5. Yreka (Provisional 1984) Comment
  SFV1505  Phoenicaulis cheiranthoides D. Parker 1958-4-13 629 Siskiyou Near Callahan. 957 Comment
  LA209831  Phoradendron juniperinum subsp. juniperinum Wm. Bridge Cooke; 1939-7-21 13699 Siskiyou Mount Shasta, on the SW side of the mountain. Howard 1219 Comment
  CAS-BOT-BC171215  Phoradendron serotinum subsp. tomentosum Lewis S. Rose 1925-7-29 s.n. Siskiyou Shasta Springs Comment
  HSC760  Phyllodoce empetriformis William J. Ferlatte 1967-7-25 726 Siskiyou Caribou Basin 1982 Comment
  JEPS26589  Phyllodoce empetriformis Peter Kamb 1949-8-25 1483 Siskiyou s slope of Mount Shasta above Horse Camp; Mount Shasta 2468 Comment
  JEPS84213  Phyllodoce empetriformis L. R. Heckard with Susan D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6418 Siskiyou 5 mi n of the town of Seiad Valley (e slope of Kangaroo Mountain, at head of Hell's Canyon); Kangaroo Mountain, Hell's Canyon 1828 Comment
  CAS-BOT-BC60759  Physaria occidentalis Geo. D. Butler 1909-4-24 588 Siskiyou Cherry Creek. Comment
  JEPS44813  Physocarpus capitatus W. L. Jepson 1894-1 13845 Siskiyou n Sisson (on old stage rd); Mt Shasta Comment
  LA208020  Physocarpus capitatus Louis C. Wheeler; 1934-7-5 2877 Siskiyou Siskiyou Mountains, Beaver Creek at Dear Creek 975 Comment
  POM208276  Physocarpus capitatus Louis C. Wheeler 1934-7-5 2877 Siskiyou Beaver Creek at Deer Creek, Siskiyou Mts. 976 Comment
  CAS-BOT-BC78161  Picea breweriana W. R. Dudley 1901-8-18 s.n. Siskiyou Salmon Mountains 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
  SJSU14645  Picea breweriana C. L. Schmidt 1981-8-13 Siskiyou Josephine Lake near Sawtooth Ridge, Trinity Alps 1950 Comment
  CAS-BOT-BC78156  Picea breweriana J. M. Tucker 1963-7-5 3698 Siskiyou Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Sawyer's Bar 1615 Comment
  CAS-BOT-BC78165  Picea breweriana William R. Dudley 1899-7-5 s.n. Siskiyou Spur of Siskiyou Mts. between branches of Illinois River 2133 Comment
  CAS-BOT-BC78181  Picea breweriana Jim Young 1962-11-10 s.n. Siskiyou Sugar Creek 1524 Comment
  UC813170  Picea breweriana John Thomas Howell Siskiyou Caribou Basin Comment
  NY34554  Pinus albicaulis H. E. Brown 1897-6-11 499 - Siskiyou North side Mt. Shasta 1524.0 Comment
  NY579173  Pinus attenuata T. charlet 1996-12-15 2350 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
  UC1402324  Pinus attenuata H. Bowerman 1942-11-7 8676 A Siskiyou Siskiyou National Forest; e slope of ridge Comment
  HSC31504  Pinus balfouriana Steve Selva, Roger Jensen 1974-8-25 50 Siskiyou Top of ridge S of Little Duck Lake Comment
  HSC32576  Pinus balfouriana Steven Lagos 1974-5-26 80 Siskiyou Little Duck Lake and ridge above it, Bulk Collection # 65 2073 Comment
  HSC70593  Pinus balfouriana J. O. Sawyer, R. York 1981-8-21 224 Siskiyou Open ridges from Pacific Crest Trail to peak, Bulk Collection # 224 2324 Comment
  LA86572  Pinus balfouriana J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3769 Siskiyou Marble Mountain Wilderness Area, SW ridge of Black Mountain (Black Marble Mountain) 2133 Comment
  UC1452399  Pinus balfouriana Ronald J. Mastrogiuseppe 1967-7-1 Siskiyou near Upper High Camp Creek 2164 Comment
  HSC103159  Pinus balfouriana subsp. balfouriana Michael Kauffmann 2013-8-7 19 Siskiyou South China Mountain 2395 Comment
  HSC67826  Pinus contorta var. murrayana J. O. Sawyer, J. Cole 1980-7-20 3763 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  CAS-BOT-BC78717  Pinus jeffreyi J. M. Tucker 1963-8-18 3768 Siskiyou between Marble and southwest ridge of Black Mountain, Marble Mountain Wilderness Area 2103 Comment
  CAS-BOT-BC78783  Pinus lambertiana Ira L. Wiggins 1955-7-24 13496 Siskiyou Ridge betw. upper reaches of China & Blind Horse Creeks 1645 Comment
  RSA624393  Pinus lambertiana L. C. Wheeler 1952-9-17 6937 Siskiyou Unspecified. Comment
  UC455180  Piperia colemanii I. J. Condit 1911-7-22 Siskiyou trail to Horse Camp; Mt. Shasta 1524 Comment
  SEINET13365287  Plagiobothrys bracteatus G. D. Butler 1910-5-29 1424 Siskiyou Near Yreka. Comment
  CHSC86627  Plagiobothrys cognatus Jenny Marr 1993-7-1 10 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC231008  Plagiobothrys hispidulus A. A. Heller 1922-7-15 13712 Siskiyou Meadow at Medicine Lake 2133 Comment
  UCD120837  Plagiobothrys hispidulus Louis C. Wheeler 1934-7-3 2869 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts., Mt. Diablo Mer. 1676 Comment
  UC163849  Plagiobothrys reticulatus Geo. D. Butler 1910-5-29 1424 Siskiyou near Yreka Comment
  RSA59809  Plagiobothrys tenellus E. K. Balls 1950-5-17 14721 Siskiyou New Lava Flow, along road from Schonchin Butte to Capt. Jack s Stronghold, Lava Beds Nat l Monument. 1463 Comment
  HSC76930  Platanthera dilatata var. leucostachys K. T. Stillman 1976-8-7 214 Siskiyou Marble Mtn. Wilderness Area. 1951 Comment
  HSC68412  Platanthera sparsiflora Maralyn A. Renner 1980-7-4 1409 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  JEPS80566  Platanthera stricta Gilbert Muth 1965-10-4 169 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  UC796544  Plectritis brachystemon Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11726 Siskiyou French Creek Logging Road w of Callahan; French Creek Logging Road 1066 Comment
  UC999839  Plectritis congesta S. C. Dyal 1938-6-12 716 Siskiyou California Comment
  SEINET7096731  Plectritis macrocera A. G. Vestal 1963-6-1 s.n. Siskiyou North of Big Sprins (Mayten) on the Maten Road. NAD27, 41? deg. 36' 05ao, -122?_ 24' 10ao (converted to WGS84 decimal degrees) UTM Zone 10, 54977mE, 4605467mN. Comment
  HSC48723  Pleuricospora fimbriolata J. Pageau, E. Toth 1979-6-5 496 Siskiyou 6.6 mi. N. of the G.O. road on FS 11N24. Line Timber Sale, unit 14. Bulk Collection 174 799 Comment
  CAS-BOT-BC244384  Poa annua Lewis S. Rose 1945-6-22 45177 Siskiyou Beaver Creek and Klamath River 548 Comment
  CAS-BOT-BC254781  Poa bolanderi Geo. D. Butler 1910-7-12 1750 Siskiyou Shackleford Creek Comment
  HSC30211  Poa bulbosa William J. Ferlatte 1968-6-8 1133 Siskiyou Mountain Meadow Ranch. 1524 Comment
  HSC10673  Poa compressa R. C. Wunner 1965-6-6 80 Siskiyou Lava Beds National Monument, 0.1 mi. on road to Caldwell Ice Cave. 1372 Comment
  SEINET10660678  Poa laevigata A. Arthur Heller 1905-6-19 Heller 8070 Siskiyou Grenada Station. Comment
  RSA115696  Poa nervosa Beecher Crampton 1956-8-22 3855 Siskiyou Panther Meadow, south slope of Mt. Shasta 2317 Comment
  CAS-BOT-BC256011  Poa pratensis H. E. Brown 1897-6-1 374 Siskiyou Near Sisson 1083 Comment
  CAS-BOT-BC443956  Poa pringlei Dana York 2012-7-21 3142 Siskiyou Siskiyou Mountains. Klamath National Forest, Siskiyou Mountains, a few meters below summit of Red Butte. 2040 Comment
  UC1023732  Poa pringlei W. Bridge Cooke 1941-9-10 16293 Siskiyou above Horse Camp; Mt Shasta Comment
  SEINET10659282  Poa pringlei William B. Cooke 1941-9-10 Cooke 16293 Siskiyou Occasional among boulders on ridges above Horse Camp, Mt. Shasta. Comment
  SEINET10659388  Poa scabrella A. Arthur Heller 1915-6-10 Heller 11956 Siskiyou Little Summit in the Sierra Nevada, on a north slope in bare gravelly places about rocks. 1433 Comment
  CAS-BOT-BC237710  Poa secunda Elmer I. Applegate 1935-6-2 9267 Siskiyou Indian Well, Lava Beds National Monument Comment
  CAS-BOT-BC237713  Poa secunda David D. Keck 1949-7-20 6368 Siskiyou At Scott Mountain Summit, at Trinity County line 1633 Comment
  CHSC91719  Poa secunda G. Douglas Barbe; T. C. Fuller, J. T. Howell 1980-4-28 2594 Siskiyou Cascade Ranges. 2.5 miles south of Grenada Station, on roadside and railroad right of way. Comment
  POM113796  Poa secunda Geo D. Butler 1910-5-6 1294 Siskiyou Near Yreka. Comment
  POM228868  Poa secunda L. C. Wheeler 1935-6-30 3635 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  CAS-BOT-BC243223  Poa secunda subsp. secunda Douglas Barbe 1959-7-4 530 Siskiyou N shore of Caribou Lake, about 4 miles SW of Big Flat Camp, Klamath National Forest 2103 Comment
  HSC702  Poa secunda subsp. secunda William J. Ferlatte 1967-8-23 1095 Siskiyou Head of Kidd Creek. 2134 Comment
  UCD90800  Poa secunda subsp. secunda Beecher Crampton 1956-8-21 3815 Siskiyou Above Gumboot Lake, headwater of S fork of Sacramento River. 1920 Comment
  CAS-BOT-BC244324  Podagrostis humilis W. B. C. 1938-9-17 11695 Siskiyou Mount Shasta. Water Supply Spring, Horse Camp, Hudsonian Comment
  RSA126050  Polemonium californicum I. L. Wiggins 1955-7-29 13573 Siskiyou North-facing slope between Caribou Lake and Pass to Thompson Creek. 1957 Comment
  CAS-BOT-BC263240  Polemonium carneum R. Stubbs 2010-6-25 010 Siskiyou 1.08 mile SE of Deadwood historical marker. West of Yreka 1331 Comment
  POM365428  Polemonium pulcherrimum L. C. Wheeler 1934-8-9 3081 Siskiyou Head of Jaynes Canyon. Siskiyou Mts. (Mt. Diablo Mer.) 1921 Comment
  SEINET11263756  Polygala cornuta George Neville Jones 1967-6-29 45675 Siskiyou Near Dunsmuir, lower slopes of Mt. Shasta.; 0 914 Comment
  CAS-BOT-BC170344  Polygala cornuta var. cornuta Annetta Carter 1939-8-20 1456 Siskiyou 5.5 miles north of Dunsmuir 1005 Comment
  CHSC71589  Polygala cornuta var. cornuta Vernon H. Oswald; Lowell Ahart 1998-8-3 9411 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.5 mi southeast of Gazelle-Callahan Rd. 1493 Comment
  UC454757  Polygala cornuta var. cornuta I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  UC570807  Polygala cornuta var. cornuta Dorothy Tebbe 1929-7-2 17 Siskiyou Donkey Camp Mount Eddy (roadside) Comment
  JEPS51312  Polygonum aviculare subsp. aviculare W. L. Jepson 1894-7 Siskiyou Sisson Comment
  UC163658  Polygonum davisiae Geo. D. Butler 1910-7-8 1677 Siskiyou Shackleford Creek 1828 Comment
  UC1034569  Polygonum davisiae Douglas Barbe 1955-7-26 284 Siskiyou Scott Mt. Klamath Mountains (small pond on n side, below summit) 1981 Comment
  UCD77951  Polygonum douglasii Robert E. Preston 2001-7-21 1752 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W se 1/4 Section 15 1767 Comment
  POM104493  Polygonum douglasii Geo. D. Butler 1910-7-8 1676 Siskiyou Shackleford Creek. 1829 Comment
  CHSC71596  Polygonum douglasii subsp. johnstonii Vernon H. Oswald; Lowell Ahart 1998-8-3 9456 Siskiyou East end of Rock Fence Lake Rd. (USFS 41N18) in the Scott Mtns. east of Kangaroo Lake. Near Rock Fence Creek. 1920 Comment
  JEPS93857  Polygonum douglasii subsp. majus Vernon H. Oswald and Lowell Ahart 1998-6-11 9187 Siskiyou ne of Weed (2.2 mi ne of Lake Shastina-Big Springs Road, Shasta National Forest plantation on the w side of Highway 97); Shasta National Forest, Highway 97 1066 Comment
  UCR37540  Polygonum douglasii subsp. spergulariiforme L. P. Janeway 1983-7-7 389 Siskiyou Just NW behind West Branch Guard Sta. 701 Comment
  RSA237760  Polygonum kelloggii Frederick W. Oettinger 1969-8-5 1216 Siskiyou Base camp at English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  SEINET3399368 Image available Polygonum minimum J. M. Tucker, L. K. Mann 1963-8-17 3743 Siskiyou Red Rock Valley, near top of ridge, Marble Mountain Wilderness Area Comment
  SEINET3399369 Image available Polygonum minimum Joseph P. Tracy 1935-8-7 14618 Siskiyou Devil's Canyon Mts, at head of White Creek Comment
  UC55508  Polygonum phytolaccifolium Harley P. Chandler June, 1901 1627 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 2133 Comment
  UC1735911  Polygonum polygaloides subsp. confertiflorum Dean W. Taylor 1990-6-12 10872 Siskiyou Adobe Flat Reservoir, ca. 5 miles N of Timbered Crater, 1075 Comment
  HSC78322  Polygonum polygaloides subsp. kelloggii L. P. Janeway 1983-8-6 484 Siskiyou At Poker Flat, at front edge of upper portion of meadow. 1524 Comment
  CAS-BOT-BC109287  Polygonum shastense William Bridge Cooke 1938-8-18 11496 Siskiyou Mount Shasta. Horse Camp Slopes. 2514 Comment
  HSC28660  Polygonum shastense Frederick W. Oettinger 1968-8-22 597 Siskiyou Marble Mtn. Wilderness Area, slope between English Peak and Diamond Lake 2195 Comment
  RSA237974  Polygonum shastense Frederick W. Oettinger 1968-8-22 597 Siskiyou Rock crevices, slope between English Peak and Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  CAS-BOT-BC421063  Polygonum spergulariiforme H. D. Ripley; R. C. Barneby 1948-7-6 9636 Siskiyou Black Butte 1219 Comment
  HSC19186  Polygonum spergulariiforme J. O. Sawyer 1968-9-10 686 Siskiyou Below Young's Meadow on Clear Creek. 1372 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
  SEINET193229 Image available Polypodium glycyrrhiza Lincoln Constance, Reed C. Rollins 1942-5-13 2908 Siskiyou Klamath River 4 miles east of Seiad 457 Comment
  CAS-BOT-BC232928  Polypogon Melissa A. Berry 1957-7-2 s.n. Siskiyou Fay Lane, Scott Valley 822 Comment
  HSC25462  Polystichum imbricans J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5658 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  HSC79158  Polystichum imbricans C. J. Thomas 1983-10-1 108 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 Comment
  UCD78119  Polystichum imbricans Robert E. Preston 2001-6-23 1572 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
  UC1495276  Polystichum imbricans subsp. imbricans Robert T. Clausen and Harold Trapido 1940-7-26 4961 Siskiyou Mud Creek, e side of canyon Mt. Shasta; So. Cascade Mts., Sacramento River Basin 1706 Comment
  CAS-BOT-BC76730  Polystichum imbricans subsp. imbricans J. H. Thomas; H. A. Thomas 1954-7-27 4557 Siskiyou Salmon - Trinity Mts. - about 6 miles SE of Cecilville, along south Fork of Salmon River. 914 Comment
  HSC79180  Polystichum kruckebergii C. J. Thomas 1983-10-1 109 Siskiyou N side of Black Mtn. in Marble Mtn. Wilderness 1976 Comment
  POM210932  Polystichum lemmonii L. C. Wheeler 1934-8-14 3137 Siskiyou North side White Mt., Siskiyou Mountains 1768 Comment
  CAS-BOT-BC72395  Polystichum lemmonii W. R. Dudley 1899-8-26 s.n. Siskiyou In the Foxtail Pine Woods, Sacramento River Comment
  HSC92767  Polystichum lemmonii Jennifer Whipple 1976-7-23 1521 Siskiyou Dale Cr. drainage on N face of Mt. Eddy 2317 Comment
  POM120353  Polystichum lemmonii Geo D. Butler 1910-7-12 1757 Siskiyou Shackleford Creek 1372 Comment
  RSA693359  Polystichum lemmonii M. B. Dunkle 1945-1 9310 Siskiyou Klamath National Forest, Marble Mountains 2439 Comment
  UC185240  Polystichum lemmonii Geo. D. Butler 1910-7-12 1756 Siskiyou Schackleford Creek 1371 Comment
  HSC101150  Polystichum lonchitis Dana York 2011-8-12 3045 Siskiyou Klamath National Forest, Marble Mountain 2073 Comment
  HSC26112  Polystichum lonchitis J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5679 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  HSC34293  Polystichum lonchitis J. P. Smith, J. O. Sawyer 1973-8-14 7287 Siskiyou Along trail from Log Lake to Campbell Lake 1585 Comment
  JEPS79619  Polystichum lonchitis Edward Lee ca. 1975 Siskiyou Russian Peak Comment
  RSA237509  Polystichum lonchitis Frederick W. Oettinger 1968-9-2 661 Siskiyou Above Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1875 Comment
  CAS-BOT-BC76685  Polystichum munitum Robert T. Clausen; Harold Trapido 1940-7-28 4984 Siskiyou Klamath Mts., Klamath River Basin - 1 mile up canyon of Canyon Creek from Scott River, about 12 miles south of Hamburg. 762 Comment
  POM210965  Polystichum scopulinum L. C. Wheeler 1934-8-13 3113 Siskiyou East Fork Horse Creek, Siskiyou Mountains 1982 Comment
  CAS-BOT-BC102399  Populus fremontii Grant 1902-9-15 5257 Siskiyou Dunsmuir 609 Comment
  CAS-BOT-BC102765  Populus tremuloides Doris K. Kildale 1928-7-4 5545 Siskiyou 1 1/2 miles east of summit of divide between Salmon River & Scott Valley Comment
  CAS-BOT-BC102956  Populus trichocarpa L. E. Smith 1918-4-27 s.n. Siskiyou Hornbrook Comment
  JEPS77668  Populus trichocarpa William J. Ferlatte 1974-7-14 1527 Siskiyou bank of South Fork Salmon River Big Flat (below campground); Trinity Alps 1508 Comment
  UC1265462  Potamogeton berchtoldii Frederick W. Oettinger 1969-8-18 1417 Siskiyou at nw shore of Horse Range Lake (High Lake Basins in Vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1821 Comment
  CHSC57468  Potamogeton crispus L. P. Janeway 1984-6-21 852 Siskiyou West side of Klamath River at Dillon Creek. 228 Comment
  CAS-BOT-BC267172  Potamogeton foliosus A. A. Heller 1925-7-28 13908 Siskiyou In Abrams Lake near the town of Mount Shasta 1066 Comment
  CDA848  Potamogeton pectinatus P. Zedeker 1964-7-28 Siskiyou Orr Lake, northwest of Bray. 0 Comment
  UC201704  Potamogeton richardsonii Geo. D. Butler 1908-8-7 142 Siskiyou Lake at head of West Fork of Wooley Creek Comment
  SEINET3156887  Potentilla blasckeana G. D. Butler 1910-5-28 1419 Siskiyou Shasta Valley Comment
  RSA211173  Potentilla breweri var. breweri William J. Ferlatte 1967-8-23 1096 Siskiyou Head of Kidd Creek. 2134 Comment
  RSA237620  Potentilla drummondii Frederick W. Oettinger 1967-8-13 253 Siskiyou Below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  HSC295  Potentilla flabellifolia William J. Ferlatte 1966-8-17 390 Siskiyou Caribou Basin 1982 Comment
  HSC96434  Potentilla flabellifolia Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 481 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  CAS-BOT-BC143259  Potentilla flabellifolia David Keck 1938-9-8 11626 Siskiyou Springs in the South Gate Comment
  RSA237848  Potentilla glandulosa subsp. ashlandica Frederick W. Oettinger 1969-7-13 1002 Siskiyou North of upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  HSC90539  Potentilla gracilis var. fastigiata Jennifer Whipple 1976-7-24 1543 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  JEPS47175  Potentilla gracilis var. fastigiata W. L. Jepson 1937-7-30 18550 Siskiyou Poker Flat Siskiyou Mts., headwaters of Indian Creek, Poker Flat 1584 Comment
  CAS-BOT-BC540549  Potentilla gracilis var. fastigiata Wm. Bridge Cooke 1939-7-7 13591 Siskiyou Bear Springs, Mount Shasta 1524 Comment
  CAS-BOT-BC540560  Potentilla gracilis var. fastigiata A. A. Heller 1918-7-16 13030 Siskiyou Mt. Eddy west of Sisson 2651 Comment
  HSC78221  Potentilla gracilis var. fastigiata L. P. Janeway 1983-8-28 628 Siskiyou At Poker Flat. Dry W side of lower portion of meadow. 1524 Comment
  CAS-BOT-BC158532  Potentilla millefolia L. E. Smith 1913-5-18 269 Siskiyou Gazelle Comment
  CAS-BOT-BC143317  Potentilla newberryi Lillian S. Mott 1967-7-2 LM 6761 Siskiyou Along highway near Dorris 1524 Comment
  UCD119035  Primula suffrutescens Joseph M. DiTomaso 1975-9-10 321 Siskiyou Just below Sawtooth Pass on Caribou Lake side. 2286 Comment
  UC61041  Prunella vulgaris var. lanceolata W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Mount Shasta Sisson; , Sisson Comment
  CAS-BOT-BC158218  Prunus emarginata Roxana S. Ferris; Laura Lorraine 1948-6-12 11776 Siskiyou About 5.5 miles from Etna on forks of Salmon Road Comment
  HSC43377  Prunus emarginata Maralyn O'Meara 1974-5-26 453 Siskiyou Chandler Glade along USFS Rd. 47N03 1768 Comment
  HSC77117  Prunus emarginata K. T. Stillman 1976-6-25 95 Siskiyou Marble Mtn. Wilderness Area, between Marble Gap and Elk Valley Trail Comment
  UC1312930  Prunus emarginata John M. Tucker 1963-7-7 3711 Siskiyou vicinity of Paradise Lake (base on e side of Kings Castle); Marble Mountain Wilderness Area, Kings Castle 1981 Comment
  UC527335  Prunus emarginata C. B. Wolf 1931-9-1 2388 Siskiyou 1/4 mi n of Entrance to Shasta Springs 914 Comment
  CAS-BOT-BC151229  Prunus virginiana var. demissa L. E. Smith 1913-7-27 493 Siskiyou McCloud Comment
  CAS-BOT-BC151235  Prunus virginiana var. demissa Cyril Gammon 1951-8-14 130 Siskiyou Happy Camp Comment
  HSC19191  Prunus virginiana var. demissa J. O. Sawyer 1968-7-23 607 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  HSC43426  Prunus virginiana var. demissa Maralyn O'Meara 1974-5-26 448 Siskiyou Along Hwy. 3, 1/2 mi. NE of Fort Jones 854 Comment
  CDA26212  Prunus virginiana var. melanocarpa T. Gallion 1959-5-12 2363 Siskiyou North of Dunsmuir. 0 Comment
  CAS-BOT-BC357395  Pseudognaphalium microcephalum Wm. Bridge Cooke 1938-8-5 11452 Siskiyou Mount Shasta. Near MacBride Spring Comment
  JEPS24016  Pseudognaphalium thermale Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6877 Siskiyou 2 mi w Seiad Valley (in canyon of Portuguese Creek, drainage of Klamath River); Portuguese Creek 396 Comment
  POM358887  Pseudognaphalium thermale Chadwick, Chadwick 1911-07 1931 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC239814  Pseudoroegneria spicata Milo S. Baker 1955-6-26 1383 Siskiyou Shasta Val., bet. Weed and Gazelle 914 Comment
  JEPS100200  Pseudoroegneria spicata Dean W. Taylor 2002-6-10 18124 Siskiyou Scott Mountain, Forest Road 40N08 0.25 miles E of the junction with Highway 3 (3 miles NE from Scott Mountain summit) 1341 Comment
  UC593544  Pseudoroegneria spicata subsp. spicata E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1944 Siskiyou about 8 mi s of Yreka 822 Comment
  CHSC227  Pseudostellaria jamesiana K. Jaekel 1939-7-29 Siskiyou Meadow on Mt. Eddy. Comment
  HSC81762  Pseudostellaria jamesiana Thomas W. Nelson, Jane P. Nelson 1980-7-20 6169 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  UCD98436  Pseudostellaria jamesiana Dorothy Parker 1948-6-14 6 Siskiyou Rail Creek, Plowman's Valley. 1203 Comment
  RSA572073  Pseudotsuga menziesii L. C. Wheeler 1934-9-4 3243 Siskiyou Bear Creek off west fork of Beaver Creek. 1372 Comment
  HSC19192  Pteridium aquilinum var. pubescens J. O. Sawyer 1968-6-25 308 Siskiyou NE of N Horse Range Lake 2012 Comment
  UC618696  Pteridium aquilinum var. pubescens W. Bridge Cooke 1938-9-2 11589 Siskiyou Sisson Southern Trail Mt Shasta Comment
  UC166596  Pterospora andromedea Geo. D. Butler 1910-8-7 1817 Siskiyou Humbug Mountain 1219 Comment
  UC456177  Pterospora andromedea I. J. Condit 1909-8-23 Siskiyou Sisson 1524 Comment
  SEINET7238921  Pterospora andromedea W. Roderick 1967-7-27 s.n. Siskiyou High Road, S of Etna 1676 Comment
  RSA0082800  Pyrola aphylla Frederick W. Oettinger 1969-8-9 1324 Siskiyou Along main trail (North fork of Salmon River) between 5 mile Stock Gate and Abbott's Upper Cabin. 1098 Comment
  JEPS58856  Pyrola asarifolia Willis L. Jepson 1894-8-4 14665 Siskiyou Mt. Shasta Comment
  POM77545  Pyrola californica Geo D. Butler 1910-7-9 1698 Siskiyou Shackleford Creek. 1220 Comment
  JEPS66564  Pyrola crypta W. L. Jepson 1940-6-27 20038 Siskiyou East slope of Mt. Shasta 1828 Comment
  HSC19203  Pyrola picta J. O. Sawyer 1968-7-2 357 Siskiyou Upper drainage of Joe Creek on steep N facing slopes. 1677 Comment
  UC1347200  Pyrola picta John Thomas Howell 1937-7-26 13520 Siskiyou Salmon Trinity Alps, Caribou Basin Caribou Basin; Salmon Trinity Alps, Caribou Basin 1981 Comment
  UC141181  Pyrola picta Dr. E. B. Copeland 1903-8-16 3921 Siskiyou Mt. Shasta 1828 Comment
  UCSB22296  Pyrola picta Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass, north of Seida Valley 1341 Comment
  CHSC88104  Pyrrocoma lanceolata Jenny Marr 1993-7-1 114 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC45746  Quercus W. R. Dudley 1899-8-15 s.n. Siskiyou near trail to Black Fox Mountains Comment
  HSC67727  Quercus chrysolepis John Palmer 1980-8-12 691 Siskiyou SE of Ward's Gap. 1189 Comment
  UCD45700  Quercus douglasii Miss C. Hoak 1903-1 Siskiyou 16 mi S. of Ashland, Oregon, near Calif. Line- 3000 ft. up the Siskiyou. 914 Comment
  CAS-BOT-BC94650  Quercus garryana Copeland 1903-7-14 3522 Siskiyou Klamathon Comment
  CAS-BOT-BC94647  Quercus garryana Doris K. Kildale 1928-7-25 5871 Siskiyou Klamath River - Clyborne's Ranch - between Gottville and Brown's Resort. Comment
  RSA237384  Quercus garryana var. breweri Frederick W. Oettinger 1968-9-5 703 Siskiyou Above English Lake, about halfway up to Diamond Lake along the trail from English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC105470  Quercus kelloggii Carl B. Wolf 1927-8-26 1027 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  CAS-BOT-BC105473  Quercus kelloggii William Bridge Cooke 1938-8-5 11435 Siskiyou MacBride Spring Road, on the SW slopes of the mountain 1219 Comment
  UC142612  Quercus kelloggii Dr. E. B. Copeland 1903-7-14 3521 Siskiyou Klamathon Comment
  UC338624  Quercus kelloggii unknown Siskiyou near Shasta Comment
  UC63979  Quercus kelloggii Kate Stirring 1904-9-25 Siskiyou Etna Mills Comment
  SEINET10838949  Quercus kelloggii Katherine L. Morris, Melvin L. Conrad; David B. Dunn 1973-6-2 Morris 349 Siskiyou Found at the junction of shasta and klamath rivers on hwy 263 Comment
  SFV5163  Quercus lobata B. C. Templeton 1960-6-21 8533 Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  CAS-BOT-BC104338  Quercus sadleriana Edward Lee 1934-8-13 1067 Siskiyou Happy Camp to Waldo (Oregon) road, watershed of West Branch of Indian Creek, Klamath National Forest 1371 Comment
  CAS-BOT-BC104359  Quercus sadleriana C. L. Hitchcock; J. S. Martin 1939-7-6 5221 Siskiyou on Takilma - Happy Camp Road 1676 Comment
  SD126416  Quercus sadleriana Sandra L. Holloway 1963-10-12 77 Siskiyou Junction Red Rock Valley trail and Canyon Crek trail; Marble Mountain Wilderness Area. 1341 Comment
  UCSB1234  Quercus sadleriana Mason, Herbert 1950-7-16 Siskiyou Road from Happy Camp, California, to Waldo, Oregon Comment
  CAS-BOT-BC104623  Quercus vacciniifolia A. A. Heller 1914-8-28 11728 Siskiyou East side of Mt. Eddy 1676 Comment
  HSC59008  Quercus vacciniifolia Marvin Butler 1971-7-20 176 Siskiyou Near Twin Lakes, close to the town of Cave Junction 1585 Comment
  UC1040687  Quercus vacciniifolia Beecher Crampton 1956-8-21 3847 Siskiyou just above junction of the North Fork with the South and Middle Fork; Canyon of the Sacramento River 1066 Comment
  UCR45373  Quercus vacciniifolia Barry Silver 1986-5-24 636 Siskiyou West Branch Campground, Klamath National Forest, 7 mi northwest of Happy Camp 671 Comment
  HSC98331  Ranunculus alismifolius var. alismellus G. L. Clifton 1979-7-1 6161 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  UC535898  Ranunculus alismifolius var. alismifolius Elmer I. Applegate 1931-6-24 6808 Siskiyou Medicine Lake; w side 1981 Comment
  RSA399378  Ranunculus aquatilis var. capillaceus M. B. Dunkle 1929-8-26 2337 Siskiyou Golden Trout Creek. 2744 Comment
  HSC36926  Ranunculus occidentalis var. occidentalis J. P. Smith 1974-5-26 7591 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  HSC68500  Ranunculus occidentalis var. occidentalis Maralyn A. Renner 1980-6-22 902 Siskiyou Slopes N of Little Shasta River 1372 Comment
  RSA237977  Raphanus sativus Frederick W. Oettinger 1969-8-14 1367 Siskiyou Near English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness. Comment
  UC747763  Rhamnus Isabelle C. Kimber 1934-6-9 20 Siskiyou just above Sacramento River confluence with Ney Creek (Steelbridge Camp, Sacramento River); Sacramento River 731 Comment
  JEPS41948  Rhamnus purshiana Geo. D. Butler 1908-8-8 23 Siskiyou Marble Valley 1676 Comment
  HSC22279  Rhododendron columbianum J. O. Sawyer 1969-7-11 1334 Siskiyou S Sugar Creek 1829 Comment
  CHSC30334  Rhododendron neoglandulosum M. S. Taylor 1980-7-1 3101 Siskiyou On nw side of Castle Lake, along edge of lake in creek crossing. 1615 Comment
  CAS-BOT-BC200351  Rhododendron occidentale var. paludosum Alice Eastwood 1917-9-2 6648 Siskiyou Shasta Springs Comment
  CAS-BOT-BC168121  Rhus aromatica L. R. Abrams 1922-8-6 9909 Siskiyou Klamath River 6 miles below Hornbrook Comment
  UC163674  Rhus trilobata Geo. D. Butler 1910-4-1 1151 Siskiyou near Yuka Comment
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Nov 25 2011
  CAS-BOT-BC92407  Ribes aureum var. aureum L. E. Smith 1913-5-27 319 Siskiyou Weed. Comment
  HSC64666  Ribes binominatum J. O. Sawyer 1977-7-6 3032 Siskiyou S of Little Duck Lake 2134 Comment
  CAS-BOT-BC92533  Ribes binominatum W. R. Dudley 1901-8-23 s.n. Siskiyou East slope of Foxtail Ridge, Salmon Mountains. Comment
  CAS-BOT-BC108771  Ribes cereum Alice Eastwood 1921-7-25 10821 Siskiyou Bigelows on McCloud River. Comment
  HSC69495  Ribes cereum J. O. Sawyer, J. Cole 1980-7-19 3687 Siskiyou Near FS Rd. 45N05, center of section 1890 Comment
  UC1037214  Ribes cereum Leo Whitney 1934-6-17 1577 Siskiyou Canyon side Mount Shasta 2438 Comment
  LA205436  Ribes divaricatum var. parishii Wm. Bridge Cooke; 1939-7-21 13702 Siskiyou Mt. Shasta, in the vicinity of the outlet of the Municipal Spring above Howard Comment
  JEPS49411  Ribes inerme var. klamathense W. L. Jepson July, 1894 13509 Siskiyou Sisson Comment
  UC165267  Ribes inerme var. klamathense Geo. D. Butler 1910-5-18 1362 Siskiyou Yreka Creek Comment
  CAS-BOT-BC173288  Ribes lacustre Doris K. Kildale 1929-7-20 8667 Siskiyou Raspberry Lake, upper Indian Creek 1828 Comment
  CAS-BOT-BC173296  Ribes lacustre Roxana S. Ferris; Laura Lorraine 1948-6-12 11803 Siskiyou At Mule Creek crossing on Scott Mountain Road south of Callahan 1493 Comment
  CAS-BOT-BC173382  Ribes lobbii Roxana S. Ferris; Laura Lorraine 1948-6-12 11768 Siskiyou About 6 miles from Etna on forks of Salmon Road 1676 Comment
  RSA0021630  Ribes lobbii M. B. Dunkle 1944-7-26 9040 Siskiyou Siskiyou National Forest. Comment
  SJSU6064  Ribes lobbii R. W. Trivelpiece 1971-6-9 26 Siskiyou near Deadman Peak c. 8 mi E of Cecilville, Salmon R Mts 1432 Comment
  CAS-BOT-BC212489  Ribes marshallii Harley P. Chandler 1901-6-1 1549 Siskiyou Ridges and meadows near Marble Mountain 1828 Comment
  HSC33925  Ribes marshallii J. O. Sawyer 1968-7-2 382 Siskiyou Upper drainage of Joe Creek 1677 Comment
  UC1222376  Ribes marshallii Joseph P. Tracy 1951-6-16 19501 Siskiyou summit of the Siskiyous at crossing of Takilma-Happy Camp Road Siskiyous Comment
  UCD102272  Ribes marshallii Roman Gankin; Brewer, Hildreth, and Milam 1965-8-10 605 Siskiyou Summit of Indian Creek Road, 3.5 miles south of California-Oregon state line. Comment
  UC637073  Ribes marshallii Edward Lee 1934-8-15 1131 Siskiyou Near Summit of Happy Camp to Waldo (Oregon) road, Indian Creek watershed Klamath National Forest 1584 Comment
  SEINET13942692 Image available Ribes nevadaense A. A. Heller 2015-1 12244 Siskiyou Wagon creek at the foot of Mt. Eddy, elev about 3700 ft 1128 Comment
  CAS-BOT-BC219268  Ribes nevadense A. A. Heller 1905-6-16 8047 Siskiyou Sisson Comment
  HSC67806  Ribes roezlii J. O. Sawyer, J. Cole 1980-7-22 3971 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  JEPS86133  Ribes roezlii Wayne Roderick 1956-2 Siskiyou Castle Lake 1676 Comment
  CAS-BOT-BC199999  Ribes roezlii var. cruentum Doris K. Kildale 1928-7-25 5907 Siskiyou Mack's Creek, Klamath River near Hamburg Comment
  HSC92895  Ribes roezlii var. cruentum Jennifer Whipple 1977-8-5 2175 Siskiyou Wagon Creek drainage on E face of Mt. Eddy 2256 Comment
  HSC42901  Ribes sanguineum J. O. Sawyer, Ken Stillman 1976-5-29 2731 Siskiyou Junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  JEPS49242  Ribes sanguineum var. glutinosum Geo. D. Butler 1909-4-24 670 Siskiyou Cherry Creek Comment
  CAS-BOT-BC144517  Ribes sanguineum var. sanguineum Alice Eastwood; John Thomas Howell 1937-6-26 5042 Siskiyou Salmon Mts. above Taylor Creek Comment
  CAS-BOT-BC173905  Ribes velutinum Roxana S. Ferris; Laura Lorraine 1948-6-12 11839 Siskiyou Gazelle Mountain range, road between Callahan and Gazelle 1499 Comment
  RSA0019714  Ribes velutinum Louis C. Wheeler 1935-5-4 3467 Siskiyou Greenhorn Creek, Siskiyou Mountains. 854 Comment
  UCD169264  Ribes velutinum T. Bruchman 1978-7-1 184 Siskiyou Tule Lake National Wildlife Refuge, along Hill Road. Comment
  CHSC1669  Ribes viscosissimum M. Yoder 1941-6-6 Siskiyou Castle Lake. 1981 Comment
  HSC23473  Ribes viscosissimum J. O. Sawyer 1968-6-18 220 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  UC1182087  Ribes viscosissimum C. R. Quick 1936-8-18 Siskiyou near summit Siskiyou Mountains (Poker Flat) Comment
  CDA25592  Ribes viscosissimum var. hallii Jennifer Whipple 1976-6-19 1063 Siskiyou Klamath Mountains; Dale Creek drainage on the north face of Mount Eddy. Comment
  CDA8538  Rigiopappus leptocladus G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2629 Siskiyou 16 km south of Fort Jones on Scott Valley East Side Road. Comment
  CDA25127  Rorippa nasturtium-aquaticum F. D. Horn 1977-5-17 Siskiyou Highway 263, Shasta River Canyon, near Yreka. 0 Comment
  CAS-BOT-BC147462  Rosa californica A. M. Vollmer; L. Beane 1951-6-2 41 Siskiyou Klamath River Highway, betw. U.S. 99 & Gottville Comment
  HSC64784  Rosa californica J. P. Smith, Steve Selva 1970-6-15 3939 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  CHSC75750  Rosa canina Vernon H. Oswald; Lowell Ahart 1999-7-5 9810 Siskiyou Gazelle Mtn. on road 41N03 0.5 mi southeast of Gazelle-Callahan Hwy. Roadside. 1508 Comment
  NY345428  Rosa eastwoodiae A. Eastwood 1912-9-4 2100 Siskiyou Sisson Comment
  CAS-BOT-BC146737  Rosa gymnocarpa Gilbert Muth 1966-7-29 466 Siskiyou Marble Valley, Marble Mts. 1828 Comment
  JEPS45676  Rosa gymnocarpa W. L. Jepson 1907-7-4 2811 Siskiyou near Marble Mt. (w Siskiyou Co.); Shackelford Canyon Comment
  POM140217  Rosa gymnocarpa E. B. Copeland 1904-08 s.n. Siskiyou Mt. Shasta Comment
  UC164425  Rosa gymnocarpa Geo. D. Butler 1910-8-7 1816 Siskiyou Humbug Mountain 1219 Comment
  UC454967  Rosa gymnocarpa I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1828 Comment
  UC60890  Rosa gymnocarpa W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson Mount Shasta Comment
  UC1871380  Rosa nutkana subsp. macdougalii Barbara Ertter 2006-7-30 18739 a Siskiyou Butte Valley 4 air mi due W of Macdoel, Meiss Lake Road at S entrance to Butte Valley Wildlife Area. 1298 Comment
  SEINET10450115 Image available Rosa pisocarpa Edwin B. Copel 1903-9-8 Copeland 3875 Siskiyou Mt. Eddy. 1463 Comment
  HSC44717  Rosa rubiginosa J. O. Sawyer, E. Cope 1977-6-18 2912 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  POM366399  Rubus discolor Bonnie C. Templeton 1957-6-21 s.n. Siskiyou N of Callahan Comment
  CAS-BOT-BC147987  Rubus leucodermis Alice Eastwood 1912-7-23 1328 Siskiyou Cantara Comment
  JEPS44737  Rubus leucodermis W. L. Jepson July, 1894 13880 Siskiyou near Sisson (foot of Black Butte (Muir Peak) = Sugar Loaf); Mt. Shasta, foot of Black Butte (Muir Peak) Comment
  HSC65560  Rubus parviflorus R. White 1977-7-21 132 Siskiyou Slope below outlet of Raspberry Lake. 1512 Comment
  JEPS44738  Rubus parviflorus W. L. Jepson July 1894 13879 Siskiyou Cedar Spring Mt. Shasta, Cedar Spring Comment
  UC12967  Rubus parviflorus Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
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Jun 8 2009
  CAS-BOT-BC157158  Rubus ursinus Louis C. Wheeler 1934-6-29 2824 Siskiyou Klamath National Forest. Soda Creek 1280 Comment
  UCR46263  Rumex acetosella G. R. Ballmer 1986-5-14 s.n. Siskiyou Disturbed roadside at Dunsmuir Comment
  CAS-BOT-BC422225  Rumex acetosella Doris K. Kildale 1928-7-2 5409 Siskiyou Salmon Summit, via Horn Creek trail 1981 Comment
  HSC64442  Rumex acetosella J. P. Smith, Steve Selva 1970-6-15 3980 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  CAS-BOT-BC433405  Rumex crispus Doris K. Kildale 1928-7-25 5903 Siskiyou Klamath River - Mack's Creek near Hamburg 457 Comment
  HSC31036  Rumex crispus Frederick W. Oettinger 1969-8-13 1362 Siskiyou Marble Mtn. Wilderness Area, English Lake 1753 Comment
  RSA210801  Ruppia cirrhosa Robert F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39035 Siskiyou Along Highway 161 at north edge of White Lake, 13.5 miles east of junction of Highways 97 and 161. 1280 Comment
  CAS-BOT-BC103538  Salix commutata Louis C. Wheeler 1934-8-9 3083 Siskiyou Klamath National Forest, Jaynes Canyon 1981 Comment
  RSA184756  Salix eastwoodiae Gilbert Muth 1966-7-8 377 Siskiyou Marble Valley. Marble Mtns. 1793 Comment
  LA208556  Salix exigua var. exigua W. B. C.; 1940-6-20 15158 Siskiyou along the Pacific Highway in the Klamath River gorge 609 Comment
  HSC86544  Salix lasiandra D. K. Imper 1987-6-6 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  UCSB10874  Salix lasiandra Bracelin, H. 1931-6-21 Siskiyou North base of Mount Eddy, about 13 km northwest of Shasta City; Flat beside creek, at bridge, about 1.3km east of Burny Mill 1110 Comment
  UC482253  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1931-6-19 424 Siskiyou ca. 16 km. n.w. Shasta City (stream above Metcalf ranch house, n.e. side Mt. Eddy); Mt. Eddy 1425 Comment
  CAS-BOT-BC125457  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 423 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City; above Metcalf ranch house 1350 Comment
  SD1000  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-21 473 Siskiyou North base of Mount Eddy, about 13 km northwest of Shasta City, flat beside creek, at bridge, about 1.3 km east of Burney Mill 1110 Comment
  POM107149  Salix lasiolepis Geo. D. Butler 1909-3-14 1080 Siskiyou Yreka Creek. Comment
  POM219903  Salix lasiolepis H. P. Bracelin 1931-6-21 469 Siskiyou N side of Mt Eddy. About 21 km NW of Shasta City. 1650 Comment
  CAS-BOT-BC124538  Salix lasiolepis var. lasiolepis Alice Eastwood 1921-7-31 11025 Siskiyou Shasta Springs Comment
  CAS-BOT-BC128307  Salix lasiolepis var. lasiolepis Carl B. Wolf 1927-8-27 1117 Siskiyou On the Klamath River, Happy Camp Comment
  CAS-BOT-BC124902  Salix lemmonii Mrs. H. P. Bracelin 1931-6-19 415 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City; above Metcalf ranch house 1455 Comment
  RSA30427  Salix lucida subsp. lasiandra A. A. Heller 1915-7-18 12129 Siskiyou Metcalf Ranch. NE base of Mt Eddy. 1372 Comment
  SBBG29032  Salix lucida subsp. lasiandra Mrs. H. P. Bracelin 1931-6-19 423 Siskiyou NE side of Mt Eddy, ca. 16 km NW of Shasta City, above Metcalf ranch house 1350 Comment
  SBBG57821  Salix lucida subsp. lasiandra Mrs. H. P. Bracelin 1931-6-21 473 Siskiyou N base of Mt Eddy, ca. 13 km NW of Shasta City 1110 Comment
  SBBG57825  Salix lucida subsp. lasiandra Mrs. H. P. Bracelin 1931-6-19 423 Siskiyou NE side of Mt Eddy, ca. 16 km NW of Shasta City, above Metcalf ranch house 1350 Comment
  CAS-BOT-BC126168  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 445 Siskiyou East side of Mount Eddy, about 17 km. northwest of Shasta City; in Wagon Creek Canyon, about 1 km. up from Metcalf ranch house 1170 Comment
  CAS-BOT-BC129039  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou North base of Mount Eddy, about 1 km. up from Metcalf ranch house, about 17 km. northwest of Shasta City 1170 Comment
  CAS-BOT-BC129041  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 442 Siskiyou North base of Mount Eddy, about 1 km. up from Metcalf ranch house, about 17 km. northwest of Shasta City 1170 Comment
  HSC19449  Salix scouleriana J. O. Sawyer 1969-8-4 1814 Siskiyou Above Sugar Lake 2134 Comment
  HSC99834  Salix scouleriana G. L. Clifton 1979-7-1 6189 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  POM219899  Salix scouleriana H. P. Bracelin 1931-6-19 435 Siskiyou N base of Mt Eddy. About 10 km NW of Shasta City. E of Metcalf ranch house. 1080 Comment
  SBBG28806  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 444 Siskiyou Wagon Crk Cyn, ca. 1 km up from Metcalf ranch house, E side of Mount Eddy, ca. 17 km NW of Shasta City 1170 Comment
  UC375239  Salix scouleriana Geo. D. Butler 1908-8-11 148 Siskiyou Shackleford Creek Comment
  UC481716  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou ca. 17 km. n.w. Shasta City (above stream in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house, e. side Mt. Eddy); e. side Mt. Eddy 1170 Comment
  UC198727  Salix sitchensis Annie M. Alexander and L. Kellogg 1911-6-23 180 Siskiyou Jackson Lake 1798 Comment
  RSA183737  Sambucus caerulea Gilbert Muth 1965-8-2 143 Siskiyou 1/2 mile btween gate and Lower Sky High Lakes, Marble Mountains Comment
  CAS-BOT-BC238879  Sambucus nigra subsp. caerulea Geo. D. Butler 1910-5-29 1425 Siskiyou Near Yreka Comment
  CAS-BOT-BC238890  Sambucus nigra subsp. caerulea Elmer I. Applegate 1935-6-5 9304 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  UC618780  Sambucus racemosa var. microbotrys W. Bridge Cooke 1938-9-8 11674 Siskiyou Red Butte Mount Shasta (s side) Comment
  UC735045  Sanicula bipinnatifida Lincoln Constance and R. H. Shan 1946-5-31 3060 Siskiyou Sacramento River at Dunsmuir Sacramento River; , Dunsmuir 701 Comment
  SEINET13945133 Image available Sanicula bipinnatifida Lincoln Constance, R. H. Shan 1946-1 3060 Siskiyou East bank of Sacramento River at Dunsmuir, alt. 2300 ft 701 Comment
  JEPS1005  Sanicula graveolens Geo. D. Butler 1909-4-18 623 Siskiyou Humbug Divide Comment
  OBI8760  Sanicula tuberosa Tracey Call, Viola Call 1964-6-26 2296 Siskiyou Scott Mt. campground. 1676 Comment
  UC1251651  Sanicula tuberosa Tracey and Viola Call 1964-6-26 2296 Siskiyou area surrounding Scott Mountain Campground Scott Mountain Campground 1676 Comment
  HSC68018  Saponaria officinalis J. P. Smith, Steve Selva 1970-7-16 4404 Siskiyou 1 mi. E of O'Neill Campground 579 Comment
  UC909373  Saxifraga aprica Ira L. Wiggins 1950-5-28 12387 Siskiyou .3 mi w of Carmen Lake 1706 Comment
  JEPS25636  Saxifraga ferruginea Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7275 Siskiyou Poker Flat 1536 Comment
  JEPS26621  Saxifraga ferruginea Herbert L. Mason Jul 18 1961-Jul 22 1961 15125 Siskiyou 1 mi over ridge and se of Castle Lake (Little Castle Lake); Little Castle Lake 1691 Comment
  JEPS84347  Saxifraga ferruginea L. R. Heckard with J. Hickman et al. 1986-7-17 6531 Siskiyou se of Condry Mountain (road end area and camp overlooking s end of Alex Hole); Alex Hole 1980 Comment
  HSC60781  Saxifraga howellii V. Stansell 1968-7-8 Siskiyou Bell Echo (Bell Echo Camp) in Youngs Valley. Comment
  UC144314  Saxifraga oregana A. A. Heller 1905-6-15 8031 Siskiyou Sisson Comment
  CAS-BOT-BC445881  Saxifragopsis fragarioides C. L. Hitchcock; J. S. Martin 1939-7-9 5316 a Siskiyou Between King's Castle and Black Mt., west side of ridge. 1828 Comment
  HSC2420  Saxifragopsis fragarioides William J. Ferlatte 1966-8-5 347 Siskiyou Caribou Mountain 2470 Comment
  HSC29407  Saxifragopsis fragarioides Frederick W. Oettinger 1968-8-5 403 Siskiyou Marble Mtn. Wilderness Area, between English Peak and Diamond Lake 2073 Comment
  SEINET5717258 Image available Schoenoplectus acutus var. occidentalis Philip E. Hyatt 2002-1 11138 Siskiyou Happy Camp community, Along Klamath River. north riverbank of Klamath River within 10 feet of water. 41 deg. 47' 36.1'' 123 deg. 22. 05'.3''. Comment
  SEINET5717261 Image available Schoenoplectus americanus Philip E. Hyatt 2002-1 11141 Siskiyou Fr. Goff Recreation Area at T47N R12W S32's south edge at S5 of T46N R12W. Along Klamath River. Comment
  JEPS107651  Scirpus americanus Lowell Ahart, John Dittes 2005-6-10 12103 Siskiyou Steep slope, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  HSC19543  Scirpus congdonii J. O. Sawyer 1969-7-18 1412 Siskiyou Head of S Russian Creek 1829 Comment
  HSC30684  Scirpus congdonii Frederick W. Oettinger 1969-8-22 1500 Siskiyou Marble Mtn. Wilderness Area, S end of Horses Hole pond above Horse Range Lake 1875 Comment
  RSA366109  Scirpus lineatus L. C. Wheeler 1934-7-17 2914 Siskiyou Cottonwood Creek, Siskiyou Mtns. (Mt Diablo Mer.) 1037 Comment
  CHSC86628  Scirpus microcarpus Jenny Marr 1993-7-1 11 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC71109  Scirpus microcarpus Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4501 Siskiyou Along W side of Hwy. 3, just N of Scott Mtn. Summit 1616 Comment
  CAS-BOT-BC111099  Scirpus microcarpus David Daniels Keck 1946-7-14 5692 Siskiyou West Branch of Indian Creek, Takilma-Happy Camp road. 914 Comment
  SEINET3915118  Scirpus validus K. Morris, Conrad; Dunn 1973-6-2 347 Siskiyou Found at the junction of Shasta and Klamath River on Hwy 263.; 0 Comment
  CDA2412  Sclerochloa dura C. S. Giebner 1963-5-6 Siskiyou Shasta Valley; Sedge Nelson property, opposite Game Refuge, Big Springs. 0 Comment
  POM15709  Scrophularia californica Geo. D. Butler 1910-5-22 1383 Siskiyou Yreka Creek. Comment
  RSA0078509  Sedum kiersteadiae E. B. Copeland 1903-8-18 3781 Siskiyou Mt. Eddy. 2134 Comment
  CHSC118095  Sedum laxum subsp. heckneri Peter F. Zika 2011-7-19 25640 Siskiyou West side of FS Road 1040, 2.9 road miles above ju ... Field redacted by CHSC, contact the data manager for more information 675 Comment
  JEPS84101  Sedum obtusatum L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6320 Siskiyou ca 1/2 air mi from Red Butte (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass, eastern slopes); 1/2 air mi from Red Butte, nne of Seiad Valley 1750 Comment
  CHSC96164  Sedum obtusatum subsp. boreale L. P. Janeway 2006-7-3 8772 Siskiyou Klamath Ranges. Salmon Mountains; 100 m west of the Taylor Lake Trailhead Road 0.8 km south of the main road. North-facing edge at top of narrow rocky spur ridge. 1820 Comment
  UC1045308  Sedum obtusatum subsp. boreale W. B. Cooke 1940-8-22 15459 Siskiyou banks Mud Creek Canyon; Mount Shasta, banks Mud Creek Canyon 1981 Comment
  UCR37579  Sedum obtusatum subsp. boreale L. P. Janeway 1983-7-3 374 Siskiyou Ridgetop NW of Poker Flat. (Siskiyou crest) 1585 Comment
  CHSC72211  Sedum obtusatum subsp. obtusatum Vernon H. Oswald; Lowell Ahart 1998-8-3 9429 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. West of Kangaroo Lake. 1981 Comment
  HSC19536  Sedum obtusatum subsp. retusum J. O. Sawyer 1969-7-24 1510 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  HSC50569  Sedum obtusatum subsp. retusum G. L. Clifton, Griswold 1979-7-26 10145 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2105 Comment
  HSC90629  Sedum obtusatum subsp. retusum Jennifer Whipple 1977-8-6 2226 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2256 Comment
  CAS-BOT-BC64657  Sedum oregonense H. A. Thomas; J. H. Thomas 1954-7-24 4509 Siskiyou Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. 9 mi. E of Cecilville. 1828 Comment
  SBBG2665  Sedum oregonense H. and M. Dearing 1939-7-1 3792 Siskiyou Salmon Mtn 1828 Comment
  CDA25380  Sedum spathulifolium D. L. Janssen, F. D. Horn 1978-5-17 Siskiyou Old Klamath River Road, approximately 10 km east of Horse Creek. 0 Comment
  HSC76686  Sedum stenopetalum K. T. Stillman 1976-7-30 321 Siskiyou Marble Mtn. Wilderness Area, ridge N of Black Mtn. into Elk Valley by way of Boulder Field, SE corner of valley 1768 Comment
  CAS-BOT-BC496372  Selaginella scopulorum John Thomas Howell 1937-7-26 13521 Siskiyou Salmon-Trinity Alps, Caribou Basin 2286 Comment
  RSA641069  Selaginella wallacei Louis Cutter Wheeler 1963-8-28 8293 Siskiyou Siskiyou Mountains: Clear Creek ca. 1 mile downstream from West Fork. 640 Comment
  JEPS82674  Senecio aronicoides Wayne Roderick 1984-6-5 Siskiyou ca 12 air km sw Mt. Shasta city (below Castle Lake) 1676 Comment
  SBBG8726  Senecio aronicoides H. and M. Dearing 1939-6-5 3557 Siskiyou E of McCloud Comment
  CHSC71474  Senecio hydrophilus Vernon H. Oswald; Lowell Ahart 1998-7-21 9348 Siskiyou Northeast of Weed and south of Macdoel along Old State Highway on the west side of Bray. In meadow. 1417 Comment
  CAS-BOT-BC363761  Senecio integerrimus Elmer I. Applegate 1923-8-19 3894 Siskiyou Medicine Lake Comment
  CAS-BOT-BC363936  Senecio integerrimus var. exaltatus Geo. D. Butler 1910-5-10 1332 Siskiyou Goosenest foothills 1524 Comment
  UC1234602  Senecio integerrimus var. exaltatus Peter H. Raven 1962-5-30 17899 Siskiyou 12.3 mi s MacDoel (U.S. Highway 97) Comment
  RSA0125046  Senecio integerrimus var. exaltatus Geo. D. Butler 1909-6-22 956 Siskiyou Goosenest Meadows. Comment
  HSC29122  Senecio integerrimus var. major Frederick W. Oettinger 1969-7-13 996 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; N of upper English Lake 1890 Comment
  CAS-BOT-BC364091  Senecio integerrimus var. ochroleucus Marion Ownbey; Ruth P. Ownbey 1938-7-19 1756 Siskiyou Summit of Siskiyou Mts., 2 1/2 miles northwest of Dry Lake Lookout Comment
  CAS-BOT-BC364444  Senecio triangularis Doris K. Kildale 1928-8-18 6498 Siskiyou Head of north fork of Salmon River at Finleys Upper Camp Comment
  HSC68411  Senecio triangularis Maralyn A. Renner 1980-7-4 1410 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  HSC76691  Senecio triangularis K. T. Stillman 1976-7-30 311 Siskiyou Marble Mountain Wilderness Area, trail from Big Rock Camp to Jump off. 1982 Comment
  RSA22180  Senecio triangularis J. T. Howell 1939-8-3 15023 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  RSA237446  Senecio triangularis Frederick W. Oettinger 1967-8-20 291 Siskiyou Salmon Mountains. The High Lake basins in the vicinity of English Peak Marble Mountain Wilderness Area. Stream bank below stream, Tom Taylor Cabin. 2049 Comment
  RSA0011836  Shepherdia canadensis K. M. Meyer, A. Townesmith 2007-7-31 175 Siskiyou Shasta-Trinity National Forest, 5.4 mi. on NF rd. 17, off US Hwy. 97 1294 Comment
  HSC19470  Sibbaldia procumbens J. O. Sawyer 1969-7-10 1128 Siskiyou SW facing slope W of Russian Lake 2210 Comment
  CAS-BOT-BC213140  Sidalcea A. A. Heller 1938-7-13 15268 Siskiyou About a mile south of Bray. 1402 Comment
  HSC69023  Sidalcea malviflora Maralyn A. Renner 1980-7-24 2009 Siskiyou Lily Pad Lake Comment
  CDA24093  Silene antirrhina Vernon H. Oswald & Lowell Ahart 1998-6-11 9180 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  CAS-BOT-BC181184  Silene campanulata subsp. glandulosa Geo. D. Butler 1909-5-31 772 Siskiyou Humbug Road Comment
  JEPS2862 Image available Silene campanulata subsp. glandulosa W. L. Jepson Jul 17 1902-Jul 22 1902 2076 a Siskiyou trail to Salmon Forks; Salmon Summit; Trail to Salmon Forks, Salmon Summit, Western Siskiyou 2133 Comment
  RSA237843  Silene campanulata subsp. glandulosa Frederick W. Oettinger 1969-7-11 989 Siskiyou Near outlet of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  CDA24100  Silene campanulata subsp. greenei F. D. Horn 1978-5-23 s.n. Siskiyou Mathews Creek Guard Station, near Cecilville. 0 Comment
  CAS-BOT-BC388950  Silene grayi A. A. Heller 1915-7-16 12094 Siskiyou North side of Mt. Eddy 1524 Comment
  JEPS84223  Silene grayi L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6338 Siskiyou ca 1/2 air mi from Red Butte (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass); nne of Seiad Valley, w of Cook and Green Pass 1730 Comment
  UC1409290  Silene grayi Frederick W. Oettinger 1968-8-22 592 Siskiyou high lake basins in vicinity English Peak (n slope of English Peak, near Lookout, Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2222 Comment
  CAS-BOT-BC181254  Silene hookeri subsp. hookeri Volney Rattan 1879-1-1 s.n. Siskiyou Klamath Comment
  RSA12664  Silene latifolia C. B. Wolf 1934-7-7 6032 Siskiyou Along upper Sacramento River, ar[ound] Dunsmuir. Comment
  CAS-BOT-BC389419  Silene lemmonii Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  UC375339  Silene menziesii Geo. D. Butler 1908-6-25 103 Siskiyou along creek near Yreka; near Yreka Comment
  POM151411  Silene noctiflora G. R s.n. Siskiyou Auf Aeckern bei Dresden Comment
  HSC67458  Sisyrinchium bellum J. P. Smith, Steve Selva 1970-7-27 4517 Siskiyou Gumboot Lake 1768 Comment
Read comments
Jun 7 2012
  SEINET3992500  Smilacina stellata J. M. Tucker 1963-7-5 3702 Siskiyou Blake's Fork of South Russian Creek (a tributary of the Salmon River), ca. 7 air miles E. of Sawyer's Bar, Salmon Mounatains 1615 Comment
  SEINET3992515  Smilacina stellata var. sessilifolia Unknown 1959-7-9 7271 Siskiyou Poker Flat 1536 Comment
  HSC42902  Solanum parishii J. O. Sawyer, Ken Stillman 1976-5-29 2730 Siskiyou Junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  RSA238032  Solanum umbelliferum Frederick W. Oettinger 1969-7-11 971 Siskiyou Approx. 0.2 mile below the 13 mile marker along the trail from English to Diamond Lake. High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains. 2012 Comment
  CAS-BOT-BC365568  Solidago elongata Gilbert Muth 1965-8-3 s.n. Siskiyou Meadow, Marble Valley Guard Station. Marble Mts. Comment
  CAS-BOT-BC365580  Solidago elongata Gilbert Muth 1965-8-3 s.n. Siskiyou Meadow, Marble Valley Comment
  JEPS32370  Solidago elongata Geo. D. Butler 1908-8-10 308 Siskiyou Oro Fino , Oro Fino (Eastlick's Ranch) Comment
  CAS-BOT-BC339856  Solidago multiradiata John Thomas Howell 1939-8-8 15164 Siskiyou Black Mt., Marble Mts. Comment
  HSC62028  Solidago multiradiata Al Hobart 5 Aug [year missing] Siskiyou Preston Peak Comment
  CAS-BOT-BC157322  Sorbus californica John Thomas Howell 1939-8-3 14979 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC158927  Sorbus scopulina Alice Eastwood 1912-9-3 2083 Siskiyou North fork Sisson Comment
  HSC19254  Sorbus scopulina J. O. Sawyer 1969-6-12 898 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  SEINET5735644 Image available Sorbus scopulina J. M. Tucker 1963-1 3715 Siskiyou Vicinity of Paradise Lake, at base of King's castle on the E side.; Marble Mountain Wild. Area 1981 Comment
  UC1409332  Sorbus scopulina var. scopulina Frederick W. Oettinger 1968-9-8 782 Siskiyou e side English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1813 Comment
  UCD78010  Spergularia rubra Robert E. Preston 2002-7-14 1929 Siskiyou Klamath National Forest, N slope of Rainbow Mountain 1806 Comment
  CAS-BOT-BC390719  Spergularia rubra Doris K. Kildale 1928-7-25 5882 Siskiyou Klamath River - Macks Creek near Hamburg 457 Comment
  CAS-BOT-BC149693  Spiraea douglasii Alice Eastwood 1912-8-30 1968 Siskiyou Mount Eddy Comment
  UC375390  Spiraea douglasii Geo. D. Butler 1908-8-2 284 Siskiyou Log Lake; Shackleford Creek Comment
  UC454958  Spiraea douglasii I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Sacramento River (along the Sacramento River) Comment
  CAS-BOT-BC152555  Spiraea splendens Doris K. Kildale 1929-7-20 8729 Siskiyou Raspberry Lake, near east spur Peston Peak Comment
  JEPS64502  Spiranthes porrifolia Willis L. Jepson 1894-1 21285 Siskiyou Sisson Region of the Upper Sacramento Comment
  UC455174  Spiranthes porrifolia I. J. Condit 1911-7-17 Siskiyou Shasta Retreat Comment
  HSC29134  Spiranthes romanzoffiana Frederick W. Oettinger 1968-8-12 497 Siskiyou Salmon Mountains, Tobacco Lake Trail 1890 Comment
  JEPS63047  Stachys ajugoides var. rigida Geo. D. Butler 1908-7-7 173 Siskiyou Butler's Ranch Yreka Comment
  SD88345  Stachys emersonii Darley F. Howe 1972-7-6 Siskiyou 1.3 miles south of Oregon state line on road to Happy Camp. 1646 Comment
  UC1045307  Stellaria calycantha unknown 1940-8-22 15457 Siskiyou Mud Creek Canyon Mount Shasta (especially near Clear Creek) Comment
  CAS-BOT-BC391221  Stellaria longipes subsp. longipes Elmer I. Applegate 1923-8-17 3839 Siskiyou Medicine Lake 1981 Comment
  UC166145  Stellaria nitens Geo. D. Butler 1909-3-16 581 Siskiyou near Yreka Comment
  UC375264  Stellaria nitens Geo. D. Butler 1909-4-25 618 Siskiyou Quartz Valley Comment
  CAS-BOT-BC516471  Stenanthium occidentale Annie M. Alexander; Louise Kellogg 1949-7-24 5857 Siskiyou Paradise Lake, Marble Mountains 2072 Comment
  UC35792  Stephanomeria lactucina Milo S. Baker 1893-6 Siskiyou near Mott; Squaw Valley Mts. 1524 Comment
Read comments
Aug 25 2006
  HSC13339  Stipa comata D. M. Thomson 1965-6-26 107 Siskiyou Lava Beds N.M., Main Rd., 1/4 mi. S of Devils Homestead Overlook Comment
  SEINET10603910  Stipa nelsonii Lawrence P. Janeway 1983-8-26 Janeway 606 Siskiyou Preston Peak quad (15'). At Poker Flat, a meadow in a fir forest. Mostly open, gravelly, dry ground on upper side of road on the North side of the meadow. 1524 Comment
  HSC26544  Stipa occidentalis var. occidentalis J. P. Smith, Steve Selva 1970-8-8 4562 Siskiyou Comment
  HSC102712  Stipa thurberiana J. P. Smith 2013-6-17 13745 Siskiyou Cinder Pit Road, 0.6 miles from its junction with County Road A12. 1123 Comment
  CAS-BOT-BC87846  Streptanthus tortuosus John Thomas Howell 1937-7-24 13385 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  RSA183658  Streptanthus tortuosus Gilbert Muth 1965-8-5 171 Siskiyou On trail to Black Mtn, Marble Mtns. Comment
  UC455750  Streptanthus tortuosus unknown Siskiyou near Shasta Retreat (summit); Mt. Bradley 1981 Comment
  CAS-BOT-BC87877  Streptanthus tortuosus Geo. D. Butler 1910-4-22 1221 Siskiyou Kidder Creek. Comment
  UC618767  Streptanthus tortuosus var. orbiculatus W. Bridge Cooke 1938-8-18 11497 Siskiyou Horse Camp Slopes Mt. Shasta Comment
  UC725573  Streptanthus tortuosus var. orbiculatus A. A. Heller 1940-7-25 15769 Siskiyou along stony pathway above Horse Camp Lodge 2438 Comment
  SEINET10448528  Streptanthus tortuosus var. orbiculatus Mary Susan Taylor 1980-8-18 Taylor 3263 A Siskiyou T43N R1E sw sec 8, Medicine Lake quad. Shasta-Trinity Natl Forest, Little Mount Hoffman, W side, between road and look out. With J. Prouty & E. Heinz. 2225 Comment
  HSC18964  Streptanthus tortuosus var. tortuosus J. O. Sawyer 1969-7-9 1272 Siskiyou N facing slope above S Sugar Lake 2317 Comment
  HSC35794  Streptanthus tortuosus var. tortuosus J. O. Sawyer 1969-6-12 881 Siskiyou Ridge SE of Eaton Lake 2226 Comment
  HSC637  Suksdorfia ranunculifolia William J. Ferlatte 1967-6-30 593 Siskiyou Josephine Lake basin 1677 Comment
  HSC65266  Suksdorfia ranunculifolia Rich White 1977-7-7 114 Siskiyou NE shore of Devil's Punchbowl 1433 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
  RSA300513  Symphoricarpos albus var. laevigatus John Dourley, W. Wisura 1982-10-17 3882 Siskiyou Mill Creek Ridge, ca. 18 mi N of Happy Camp, along old road up Indian Creek. 1524 Comment
  SEINET10500902  Symphoricarpos albus var. laevigatus Melvin L. Conrad, David B. Dunn; Katherine L. Morris 1973-6-1 Conrad 6965 Siskiyou Road cut, 0.1 mi N of Hornbrook. 732 Comment
  HSC19110  Symphoricarpos mollis J. O. Sawyer 1969-7-23 1179 Siskiyou Along road near Horse Range Creek. 1341 Comment
  HSC42921  Symphoricarpos mollis Ken Stillman 1976-8-31 464 Siskiyou Along the Klamath River at Williams Point. 366 Comment
  HSC69557  Symphoricarpos mollis Maralyn A. Renner 1980-8-6 2293 Siskiyou Along trail, 0.5 mi. SE of Cyclone Gap. 1585 Comment
  JEPS22081  Symphyotrichum bracteolatum Willis L. Jepson 1894-7-24 Siskiyou Shasta Springs Upper Sacramento Comment
  UC165280  Symphyotrichum bracteolatum Geo. D. Butler 1910-8-13 1828 Siskiyou Oro Fino Comment
  CAS-BOT-BC97881  Symphyotrichum eatonii Geo. B. Grant 1902-9-1 69 Siskiyou Shasta Springs Comment
  CAS-BOT-BC97885  Symphyotrichum eatonii Alice Eastwood 1921-7-31 11026 Siskiyou Shasta Springs Comment
  HSC77240  Symphyotrichum hendersonii L. P. Janeway 1983-8-28 640 Siskiyou Poker Flat 1529 Comment
  CAS-BOT-BC98925  Symphyotrichum spathulatum var. intermedium Wm. F. Herrin 1920-8-25 s.n. Siskiyou Road to Mt. Eddy Comment
  HSC92597  Symphyotrichum spathulatum var. spathulatum Jennifer Whipple 1976-7-24 1571 Siskiyou Durney Creek below Durney Lake 2104 Comment
  UC157082  Taeniatherum caput-medusae Dr. E. B. Copeland 1903-7-5 3493 Siskiyou Klamathon, Round Mountain Round Mountain; Pacific Coast, Klamathon, Round Mountain Comment
  JEPS82421  Taraxacum officinale Gilbert Muth 1966-8-1 484 Siskiyou Marble Valley horse pasture Marble Mountain Wilderness Area 1792 Comment
  HSC29101  Taraxacum officinale Frederick W. Oettinger 1969-7-13 1010 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: S of Upper English Lake 1799 Comment
  UC74050  Taraxacum officinale T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  SD88328  Taraxia tanacetifolia Darley F. Howe 1972-7-8 4880 Siskiyou Grass Lake, 21 miles north of Weed on #97 1524 Comment
  CAS-BOT-BC81334  Taxus brevifolia Ira L. Wiggins 1955-7-24 13482 Siskiyou Diversion dam on China Creek 1158 Comment
  HSC31985  Taxus brevifolia Steve Selva, Roger Jensen 1974-8-22 37 Siskiyou Trail from Doe Flat campground to Buck Lake Comment
  UC401318  Taxus brevifolia Geo. D. Butler 1908-8-22 229 Siskiyou El<?>hed<?>es Corral Russian Creek Comment
  UC903493  Taxus brevifolia Dorothy Parker 1945-4-30 Siskiyou along banks Kidder Creek (Scott Valley); , along banks of Kidder Creek 853 Comment
  UCD135158  Taxus brevifolia Roman Gankin; W. R. Hildreth 1967-10-27 1186 Siskiyou Near trail to Marble Mountain Wilderness Area (Yellowjacket Ridge) north of Sawyers Bar. 1402 Comment
  MACF017395  Taxus brevifolia Trudy R. Ericson 1974-8-8 219 Siskiyou About 17 mi. northwest of Happy Camp on road to Cave Junction, Oregon. Comment
  RSA86350  Taxus brevifolia F. W. Peirson 1926-7-11 7027 Siskiyou Salmon River at Cow Creek Comment
  CHSC106094  Tetradymia canescens Lowell Ahart; John Dittes 2010-7-30 16971 Siskiyou On dry soil of riparian terraces, Shasta Big Springs Ranch, 2.6 miles (air) northwest of Big Springs Lake, 3.9 miles (air) southeast of Grenada, 6.3 miles (air) northwest of Dwinnel Dam. 778 Comment
  UC375277  Thalictrum fendleri Geo. D. Butler 1910-7-8 1672 Siskiyou Shackelford Creek Comment
  UC375348  Thlaspi arvense Geo. D. Butler 1909-4-21 1108 Siskiyou near Yreka; near Yreka Comment
  SEINET12007102  Thlaspi montanum H. P. Chandler 1901-1 1689 Siskiyou Marble Mountain, North Coast Ranges 2438 Comment
  JEPS54046  Thlaspi montanum var. montanum W. L. Jepson 1907-7-5 2842 Siskiyou Marble Mt. Comment
  JEPS84105  Thlaspi montanum var. montanum L. R. Heckard with J. Hickman et al. 1986-7-17 6457 Siskiyou ca 5 mi n of the town Seiad Valley (ridge e of Kangaroo Peak, s of Lily Pad Lake); ridge e of Kangaroo Peak, s of Lily Pad Lake 1940 Comment
  CAS-BOT-BC66794  Thysanocarpus curvipes J. H. Thomas 1954-5-13 4153 Siskiyou Klamath National Forest. Salmon Mountains. Near South Fork of Salmon River, 5 to 9 miles southesat of Cecilville. 1127 Comment
  CAS-BOT-BC66801  Thysanocarpus curvipes L. B. Kildale 1930-6-1 9703 Siskiyou Salmon River at Crapp Creek. Comment
  CDA25267  Thysanocarpus curvipes F. D. Horn 1978-4-9 Siskiyou Horn Ranch near Etna. 0 Comment
  HSC62274  Tiarella trifoliata var. unifoliata Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  HSC41800  Tiarella trifoliata var. unifoliata Brent Whitely 1975-6-28 66 Siskiyou Irving sale of the Klamath National Forest 915 Comment
  SEINET10761610  Tofieldia occidentalis subsp. occidentalis Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 882 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
  HSC70529  Tonella tenella J. P. Smith 1973-5-5 6509 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC169251  Toxicodendron diversilobum Ellsworth Bethel 1923-4-16 s.n. Siskiyou Redding Comment
  UC133248  Tragopogon porrifolius Copeland 1903-8-14 3886 Siskiyou Sisson Comment
  HSC76739  Triantha occidentalis subsp. occidentalis K. T. Stillman 1976-7-15 244 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  CAS-BOT-BC519568  Triantha occidentalis subsp. occidentalis David D. Keck 1949-7-20 6363 Siskiyou Scott Mountain Summit: meadow at Scott Mountain Summit, at Trinity County line 1716 Comment
  SEINET3153530  Trichostema lanceolatum G. D. Butler 1910-7-28 1793 Siskiyou Yreka Comment
  JEPS101834  Trifolium cyathiferum Dean W. Taylor 1999-7-18 17277 Siskiyou headwaters of South Fork Hungry Creek (ca. 6 air miles southwest from Hilt) 1432 Comment
  UCSC000422  Trifolium cyathiferum I. J. Condit 2011-7-7 s.n. Siskiyou Shasta Retreat Comment
  HSC39320  Trifolium eriocephalum J. P. Smith 1974-5-26 7386 Siskiyou Along FS Rd. 47N03 1524 Comment
  CAS-BOT-BC219034  Trifolium howellii Doris K. Kildale 1928-8-18 6426 Siskiyou North Fork on Salmon River at Finley Camp Comment
  UC1409202  Trifolium howellii Frederick W. Oettinger 1968-7-17 557 Siskiyou vicinity English Peak (Pine Lake Meadow); Salmon Mtns, Marble Mtn Wilderness area 1874 Comment
  UCR110583  Trifolium howellii L. C. Wheeler 1963-8-27 8276 Siskiyou Siskiyou Mtns., Clear Creek, 1 mi. below West Fork. 671 Comment
  HSC60773  Trifolium longipes Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  RSA237889  Trifolium longipes subsp. elmeri Frederick W. Oettinger 1968-8-17 553 Siskiyou The High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area,Wet meadow north to northeast of Pine Lake. 1951 Comment
  JEPS124492  Trifolium pratense Daniel Slakey 2015-7-14 165 Siskiyou Along Ager-Beswick Road, approximately 5 miles from Copco Lake. Comment
  HSC71541  Trifolium pratense J. P. Smith, Steve Selva 1970-6-15 3894 Siskiyou Oak Bottom Campground near Somes Bar. 229 Comment
  HSC44867  Trillium ovatum J. P. Smith 1973-5-5 6452 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  CAS-BOT-BC133470  Trillium ovatum Doris K. Kildale 1928-7-4 5471 Siskiyou 3 miles west of summit of divide between Sawyers Bar & Etna Comment
  UC1197818  Trillium ovatum Joseph P. Tracy 1935-8-1 14409 Siskiyou on ridge between Salmon and New Rivers (at extreme head of W. Fork Knownothing Creek); W. Fork Knownothing Creek 1889 Comment
  RSA234826  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-10 956 Siskiyou Base of cliff southwest of Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1768 Comment
  CAS-BOT-BC200092  Trisetum canescens Lewis S. Rose 1945-6-18 45088 Siskiyou Horse Creek & Klamath River 502 Comment
  HSC18977  Trisetum canescens J. O. Sawyer 1969-8-1 1624 Siskiyou NE facing slope near Duck Lake Creek. 1799 Comment
  UCD93504  Trisetum canescens Beecher Crampton 1956-8-21 3813 Siskiyou 15-16 miles southwest of city of Mount Shasta City, above Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  CAS-BOT-BC200264  Trisetum spicatum Wm. Bridge Cooke 1938-8-18 11485 Siskiyou Horse Camp Springs. Around the southwest side of Shasta Comment
  UCD93669  Trisetum spicatum Beecher Crampton 1956-8-22 3854 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2316 Comment
  UC1586939  Triteleia Juha Pykala and D. H. Norris 1987-6-26 2117 Siskiyou 0 to 3 km below Bear Lake (above Bear Creek); Marble Mountain Wilderness Area Comment
  CHSC2072  Triteleia crocea V. Holt 1943-8-14 Siskiyou Marble Mountains. 1828 Comment
  HSC68552  Triteleia crocea Maralyn A. Renner 1980-6-8 802 Siskiyou Slopes E of Hwy. 3 1341 Comment
  CAS-BOT-BC522343  Triteleia hyacinthina Geo. D. Butler 1909-5-31 785 Siskiyou Hawkinsville Comment
  RSA378019  Triteleia hyacinthina M. B. Dunkle 9345 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  JEPS80542  Tsuga mertensiana Gilbert Muth 1965-8-16 223 E Siskiyou Black Mt. Marble Mt. Wilderness Area, Black Mt. 1792 Comment
  NY64387  Tsuga mertensiana I. L. Wiggins 1955-7-27 13566 Siskiyou Caribou Lake, Salmon-Trinity Alps Prinitive Area 2042.2 Comment
  RSA184702  Tsuga mertensiana Gilbert Muth 1966-8-6 223 Siskiyou Marble Valley near meadow, Marble Mountains. 1793 Comment
  RSA331960  Tsuga mertensiana W. Wisura, D. Kelly 1985-7-30 4076 Siskiyou Along forestry road 47N63 near Siskiyou Summit, N of Horse Creek on Hwy 96. Comment
  UC1223744  Tsuga mertensiana J. M. Tucker 1963-7-8 3734 Siskiyou ca 1 mi n Marble Valley (e side of Black Mountain); Marble Mountain Wilderness Area, Black Mountain 1981 Comment
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Jun 25 2013
  UCD135153  Tsuga mertensiana John M. Tucker 1963-7-5 3708 Siskiyou Lower Blake's Fork of South Russian Creek (a tributary of Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1524 Comment
  UCD135154  Tsuga mertensiana John M. Tucker 1963-7-8 3734 Siskiyou Black Mountain, ca. 1 mile north of Marble Valley, Marble Mountain Wilderness Area. 1981 Comment
  CAS-BOT-BC74097  Turritis glabra Wm. Bridge Cooke 1941-7-11 16040 Siskiyou Around MacBride Springs, Mount Shasta. 1524 Comment
  CAS-BOT-BC91275  Umbellularia californica Marion Ownbey; Fred G. Meyer 1940-7-8 2223 Siskiyou Along Indian Creek, 12 miles above Happy Camp. Comment
  CAS-BOT-BC404212  Urtica dioica subsp. holosericea Elmer I. Applegate 1935-6-5 9298 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  CAS-BOT-BC228828  Vaccinium cespitosum Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-19 1926 Siskiyou The Eddys Region, Shasta-Trinity National Forest. Ca. 100 m S of Cedar Lake along road to Cliff Lake, headwaters of the Sacramento River 1744 Comment
  JEPS116592  Vaccinium cespitosum Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -024 Siskiyou The Eddys, west of Mt. Shasta. West side of Toad Lake, headwaters of Middle Fork of upper Sacramento River South China Mountain 2118 Comment
  SEINET11970801  Vaccinium cespitosum H. P. Chandler 1901-1 1578 Siskiyou near Marble Mountain, North Coast Ranges 2134 Comment
  JEPS66690  Vaccinium deliciosum Geo. D. Butler 1908-8-5 44 Siskiyou summit above Cold Springs 1828 Comment
  CAS-BOT-BC199229  Vaccinium membranaceum Louis C. Wheeler 1934-8-16 3162 Siskiyou Klamath National Forest. Johnson Dairy 1645 Comment
  CAS-BOT-BC199235  Vaccinium membranaceum Harley P. Chandler 1901-6-1 1577 Siskiyou Near Marble Mountain 2133 Comment
  UC562352  Vaccinium membranaceum Joseph P. Tracy 1935-8-1 14419 Siskiyou 3 mi e of Salmon Summit (Head of Knownothing Creek); Knownothing Creek 1767 Comment
  HSC68306  Vaccinium parvifolium Maralyn A. Renner 1980-7-4 1420 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  HSC19527  Vaccinium scoparium J. O. Sawyer 1969-8-5 1735 Siskiyou W of Little Duck Lake 2073 Comment
  UC70299  Vaccinium uliginosum subsp. occidentale Milo S. Baker 1898-8-1 478 Siskiyou Medicine Lake Comment
  RSA22057  Vahlodea atropurpurea J. T. Howell 1939-8-3 15003 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  RSA715770  Valerianella locusta L. Ahart, John Dittes 2005-6-10 12119 Siskiyou 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
  HSC26737  Verbena lasiostachys William J. Ferlatte 1972-7-15 1399 Siskiyou Mtn. Meadow Ranch. 1524 Comment
  JEPS23292  Veronica americana Rimo Bacigalupi with Arthur and Ruby Van Deventer 1959-7-9 7261 Siskiyou Poker Flat 1536 Comment
  CHSC93531  Veronica catenata Lowell Ahart; John Dittes 2005-6-9 12034 Siskiyou Meadow area along a small drainage, about 50 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
  POM215849  Veronica persica Louis C. Wheeler 1935-4-17 3425 Siskiyou Greenhorn Creek, Siskiyou Mtns. (Mt. Diablo Mer.) 1006 Comment
  SEINET3160870  Veronica scutellata T. S. Brandegee sn Siskiyou Sisson's Comment
  CHSC1914  Veronica serpyllifolia subsp. humifusa E. G. Copeland 1939-6-1 Siskiyou Mt. Eddy. 1828 Comment
  SFV1976  Vicia americana var. americana D. Myrick 1961-6-21 301 Siskiyou On Deer Camp Road above Oak Knoll Ranger Station on Klamath River. 19 miles west of Highway 99. 1372