Search Results — 2000 specimen records retrieved (1392 records with coordinates)
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC1319592  Abies amabilis James B. Roof, Irja Knight September 1948 Siskiyou n side of divide between head of North Fork of Salmon River and head of Hancock Creek; Salmon Mountains, Hancock Lake 2133 Comment
  CAS-BOT-BC419723  Abies concolor Julie Kierstead Nelson; Keli McElroy 2012-8-10 2012 -073 Siskiyou NW side of Gumboot Lake. 1853 Comment
  CAS-BOT-BC73534  Abies concolor W. R. Dudley 1899-7-6 s.n. Siskiyou Bartlett Trail to Preston's Peak Comment
  CHSC33072  Abies concolor J. P. Smith; Steve Selva 1970-7-15 4364 Siskiyou Baldy Mountain Lookout Station 1722 Comment
  LA6362  Abies concolor Wm. Bridge Cooke; 1939-7-29 13790 Siskiyou Mount Shasta, along the Sisson Southern Trail 1676 Comment
  RSA498100  Abies grandis L. C. Wheeler 1934-8-20 3195 Siskiyou West Fork of Beaver Creek; Siskiyou Mountains. 1067 Comment
  HSC4999  Abies lasiocarpa J. O. Sawyer 1969-7-3 1440 Siskiyou N of Russian Lake 2149 Comment
  HSC5008  Abies lasiocarpa J. O. Sawyer 1968-10-8 754 Siskiyou W of Little Duck Lake 1936 Comment
  HSC41957  Abies magnifica Sue Sweet 1977-5-21 66 Siskiyou Off Road 8 on the Sugar Creek Trail along Sugar Creek 1585 Comment
  RSA572074  Abies magnifica L. C. Wheeler 1934-8-10 3101 Siskiyou Siskiyou Mountains, Dead Cow Creek. 1890 Comment
  SD136399  Abies magnifica var. shastensis Helen V. Witham 1969-10-9 640 Siskiyou Mount Shasta 2100 Comment
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Jul 10 2010
  CAS-BOT-BC331022  Acer glabrum var. glabrum John Thomas Howell 1939-8-5 15069 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC331046  Acer glabrum var. glabrum M. S. Baker 1899-8-1 s.n. Siskiyou Ash Creek, East Slope of Mt. Shasta 1981 Comment
  UC635157  Acer glabrum var. glabrum D. Tebbe 1929-6-26 12 Siskiyou Big Bear Gully Salmon Mountains, Big Bear Gully Comment
  UC933425  Acer glabrum var. glabrum Annie M. Alexander and Louise Kellogg 1948-9-8 5599 Siskiyou top of grade between Sawyers Bar and Etna; top of grade btw Sawyers Bar and Etna 1737 Comment
  CAS-BOT-BC331018  Acer glabrum var. glabrum Edward Lee 1934-8-13 1078 Siskiyou Watershed of West Branch of Indian Ceek, Happy Camp to Waldo (Oregon) road, Klamath National Forest 1463 Comment
  HSC67768  Acer glabrum var. torreyi John Palmer 1980-8-13 776 Siskiyou Klamath National Forest, Dead Cow Creek near F.S. Rd. 47N44 from Beaver Creek Rd. 1616 Comment
  CAS-BOT-BC336931  Acer negundo var. californicum J. H. Thomas; T. C. Fuller; G. D. Barbe 1980-4-29 53406 Siskiyou Fort Jones 853 Comment
  UC1045301  Achillea millefolium W. Bridge Cooke 1904-7-7 15480 Siskiyou along west rim near upper limits of Hudsonian Zone Mud Creek Canyon; Mount Shasta 2743 Comment
Read comments
Oct 9 2007
  CAS-BOT-BC30436  Achillea millefolium Carl B. Wolf 1927-8-26 1093 Siskiyou On the Klamath River, 14 mi. above Happy Camp Comment
  HSC29202  Achillea millefolium Frederick W. Oettinger 1968-8-5 400 Siskiyou High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area, ridges above English Lake basin, 'Shasta Ridge 2073 Comment
  RSA78324  Achlys triphylla P. A. Munz 1952-7-1 17859 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 Comment
  CAS-BOT-BC210717  Achnatherum lemmonii Geo. D. Butler 1909-6-4 810 Siskiyou Near Yreka Comment
  UCD50890  Achnatherum occidentale R. Tofsrud 1949-8-3 s.n. Siskiyou Soap Creek Ridge, between Yreka and Fort Jones. 1828 Comment
  UCD50980  Achnatherum occidentale B. A. Madson 1948-1 s.n. Siskiyou Mt. Hebron Pass. Comment
  CHSC30753  Achnatherum occidentale subsp. californicum M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3257 Siskiyou Ca. 50 ft e of Hwy 15, ca. 3 mi n of its jct with Hwy 89, ca. 17 mi e of McCloud. Comment
  RSA238982  Achnatherum occidentale subsp. occidentale Frederick W. Oettinger 1969-8-13 1352 Siskiyou Southeast ridge of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  UC1037164  Achnatherum occidentale subsp. occidentale Leo Whitney 1935-7-15 3475 Siskiyou 2 mi se Medicine Lake (Bullseye Lake); Bullseye Lake Comment
  UC618668  Achnatherum occidentale subsp. occidentale W. B. Cooke 1938-8-18 11471 Siskiyou Horse Camp Springs Mount Shasta Comment
  SEINET255882  Achnatherum occidentale subsp. pubescens Mary E. Barkworth, LR Firestone 1982-8-30 4094 Siskiyou Off I-15 8 or 9 mi S of Weed exchange bewteen Weed and Mt Shasta along roadsides Comment
  RSA17732  Achnatherum thurberianum Elmer I. Applegate 1935-6-8 9437 Siskiyou Bear Paw Cave, Lava Beds National Monument. Comment
  UCD104570  Acmispon A. A. Heller 1920-7-6 13419 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. Comment
  UCD103815  Acmispon americanus var. americanus A. A. Heller 1919-6-25 13288 Siskiyou Compton's prairie, north base of Mt. Eddy. 1158 Comment
  HSC100269  Aconitum columbianum J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13059 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2003 Comment
  SD73170  Aconitum columbianum Darley F. Howe 1969-8-30 Siskiyou North fork of Salmon River, Blake's Creek, about 20 miles southwest of Aetna 1829 Comment
  CAS-BOT-BC391516  Aconitum columbianum subsp. columbianum Alice Eastwood 1912-8-30 2089 Siskiyou Mount Eddy Comment
  CAS-BOT-BC391535  Aconitum columbianum subsp. columbianum A. A. Heller 1915-8-26 12240 Siskiyou Mt. Eddy 1828 Comment
  POM365536  Aconitum columbianum var. columbianum Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  CAS-BOT-BC413843  Aconogonon davisiae J. M. Tucker 1948-8-2 1760 Siskiyou Panther Meadows, Mt. Shasta 2407 Comment
  UCD98563  Aconogonon newberryi R. Tofsrud; J. M. Tucker 1948-8-2 1760 Siskiyou Panther Meadows, Mt. Shasta. 2407 Comment
  HSC67676  Aconogonon phytolaccifolium John Palmer 1980-7-24 597 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC86554  Aconogonon phytolaccifolium D. K. Imper 1987-7-23 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  HSC29437  Actaea rubra Frederick W. Oettinger 1968-9-1 635 Siskiyou Marble Mtn. Wilderness Area, E side of Abbott's Lake 1723 Comment
  SEINET11261967  Adenocaulon bicolor Alv Dan Youngberg 1964-7-19 96 Siskiyou Along west branch of Indian Creek.; 0 Comment
  UC1216709  Adenocaulon bicolor W. B. and V. G. Cooke 1962-8-17 33525 Siskiyou at, in woods Bear Springs; Mt. Shasta 1524 Comment
  HSC27637  Adenocaulon bicolor Carl W. Mize 1972-6-21 80 Siskiyou 305 Comment
  RSA240054  Adenocaulon bicolor Frederick W. Oettinger 1969-8-9 1317 Siskiyou Along main N Fork trail between Five mile Stockgate and Abbott's upper cabin, Salmon Mts. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1357 Comment
  CHSC49  Adiantum aleuticum V. Holt 1932-7-24 Siskiyou Mt. Eddy. 1524 Comment
  CHSC99693  Adiantum aleuticum L. P. Janeway 2008-7-23 9461 Siskiyou Klamath Ranges. Trinity Mountain/The Eddys; along Road 40N45 9.8 road km north-northwest of Road 26; at a small tributary creek to upper Little Picayune Creek. Next to flowing water along a small west-flowing creek. 1847 Comment
  CAS-BOT-BC68952  Adiantum aleuticum Louis C. Wheeler 1934-7-30 75484 Siskiyou Red Mt. Creek 1524 Comment
  SFV83  Adiantum aleuticum D. Parker 1960-8-3 589 Siskiyou Below Rock Fence Lake. 1890 Comment
  UC1408850  Adiantum aleuticum Frederick W. Oettinger 1968-9-1 644 Siskiyou ssw Abbotts Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1798 Comment
  CAS-BOT-BC110722  Aegilops cylindrica T. C. Fuller 1962-6-12 8970 Siskiyou Little Shasta Road, 1 mile east of Montague. Comment
  CDA1642  Aegilops cylindrica T. C. Fuller 1970-5-26 19582 Siskiyou Montague 0 Comment
  OBI4708  Aegilops cylindrica T. C. Fuller 1960-5-24 4341 Siskiyou Ca. 4 mi E of Montague Comment
  CDA36800  Aegilops cylindrica D. B. Joley 1976-6-24 1 Siskiyou Montague. 0 Comment
  UC726050  Agastache parvifolia A. A. Heller 1938-7-13 15263 Siskiyou among lava rocks at Bray Comment
  HSC4988  Agastache urticifolia J. O. Sawyer 1968-7-23 604 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake, Brown's Meadow 1829 Comment
  CAS-BOT-BC29446  Ageratina occidentalis John Thomas Howell 1939-8-2 14893 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  CHSC286  Ageratina occidentalis K. Jaekel 1939-7-14 Siskiyou Mt. Shasta. 1767 Comment
  JEPS95036  Ageratina occidentalis Vernon Oswald and Lowell Ahart 1997-7-28 8776 Siskiyou 14.5 mi s of Medicine Lake (Forest Route 49 (Powder Hill Road) 1.5 mi n of 41N03 to Porcupine Butte); Forest Route 49 (Powder Hill Road) 1371 Comment
  HSC46721  Ageratina occidentalis William J. Ferlatte 1976-9-22 1855 Siskiyou 200 yds. SE of mail tailings; Yellow Rose Mine 2043 Comment
  JEPS60251  Ageratina occidentalis L. R. Heckard with L. Constance and R. Ornduff 1969-6-25 2318 Siskiyou 15 mi from U.S. Highway 99 (off the Gilman Road, on n side of the Mccloud River arm of Lake Shasta) 487 Comment
  RSA238743  Agoseris aurantiaca Frederick W. Oettinger 1968-8-5 724 Siskiyou SE side of Hancock L. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  JEPS97916  Agoseris aurantiaca var. aurantiaca R. Raiche, H. Forbes, K Zadnik 1989-4-10 61 Siskiyou W of Weed, 5.4 km. on Parks Creek Rd. toward Mt. Eddy from Stewart Springs Rd. 1506 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-BC22781  Agoseris heterophylla John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53425 Siskiyou East side of Scott Valley, 10 miles south of Fort Jones on road to Callahan 853 Comment
  UC1539996  Agoseris heterophylla var. heterophylla M. Mitchell 1935-5-14 30 Siskiyou Canby's Cross; Lava Beds National Monumnet 1234 Comment
  CAS-BOT-BC139563  Agrostis gigantea A. A. Heller 1920-8-12 13509 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy. 1158 Comment
  CAS-BOT-BC139572  Agrostis gigantea W. A. Dayton 1912-7-29 172 Siskiyou Shasta Forest. Ash Creek Sink. 1188 Comment
  HSC30452  Agrostis gigantea Frederick W. Oettinger 1968-9-8 790 Siskiyou Marble Mountains Wilderness area, S. of English Lake. 1646 Comment
  RSA239059  Agrostis idahoensis Frederick W. Oettinger 1968-9-6 736 Siskiyou Meadow toward peak from Bear Meadow, Tom Lakes region. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2182 Comment
  UCD18949  Agrostis idahoensis A. H. Murphy 1954-8-11 54 A Siskiyou Klamath National Forest, U.S.F.S., Round Meadow. 1676 Comment
  CAS-BOT-BC138938  Agrostis pallens Copeland 1903-9-6 3801 Siskiyou Mount Eddy. Comment
  HSC22421  Agrostis pallens J. O. Sawyer 1969-7-25 1526 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  UCD53399  Agrostis scabra R. Tofsrud 1950-7-1 s.n. Siskiyou E side of Mt. Shasta. Comment
  UCD53583  Agrostis stolonifera Beecher Crampton 1956-8-20 3799 Siskiyou along US Hwy. 99, 0.5 mile south of Dunsmuir. 701 Comment
  UCD53604  Agrostis stolonifera Beecher Crampton 1956-8-22 3868 Siskiyou Wagon Camp Road, about 5.5 miles SW of Panther Meadow, lower south slopes of Mt. Shasta. 1645 Comment
  SEINET7594405 Image available Agrostis stolonifera Frederick W. Oettinger 1969-1 1527 Siskiyou Upper English Lake, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area 1798 Comment
  HSC41360  Aira caryophyllea J. P. Smith 1976-5-5 8685 Siskiyou Road between Sawyers Bar and Somes Bar 488 Comment
  CAS-BOT-BC445372  Alisma plantago-aquatica Alice Eastwood 1912-7-17 1195 Siskiyou Sisson Comment
  CHSC106315  Alisma triviale Lowell Ahart; John Dittes 2010-7-30 16949 Siskiyou On the bottom of a water ditch, at the edge of the dry upland, about 30 yards south of the Shasta River, about 80 yards west of the pipe across the Shasta River, about 200 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
  JEPS84246  Allium L. R. Heckard with J. Hickman et al. 1986-7-17 6463 Siskiyou ca. 5 mi n Town of Seiad Valley (trail up Kangaroo Peak, ridge e of peak, s of Lily Pad Lake); Kangaroo Peak 1900 Comment
  CAS-BOT-BC459429  Allium acuminatum Lillian Mott 1976-7-4 20 LM76 Siskiyou Cook and Green Pass Road north of Seiad Valley at waterfall 1463 Comment
  UC796562  Allium amplectens Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11720 Siskiyou Schoolhouse Hill Plowman's Valley (Noyes Valley), e. fork of Scott River Comment
  CAS-BOT-BC462376  Allium amplectens Margaret M. Hanna 1958-6-20 s.n. Siskiyou Along highway - 6 miles south of Dunsmuir Comment
  SEINET3883771  Allium amplectens D. E. Bright 1961-6-15 190 Siskiyou 5 miles west of Bray, California.; 0 Comment
  HSC58838  Allium campanulatum Marvin Butler 1971-7-28 221 Siskiyou Near Marv's Meadow 2073 Comment
  CAS-BOT-BC465426  Allium campanulatum Wm. Bridge Cooke 1939-7-7 13598 Siskiyou Along the Wagon Camp road just below Wagon Camp, Mount Shasta 1676 Comment
  UC164160  Allium falcifolium Geo. D. Butler 1908-8-6 110 Siskiyou along trail on summit n West Fork of Woolly Creek Comment
  CAS-BOT-BC474038  Allium parvum Elmer I. Applegate 1925-4-26 4238 Siskiyou Ridge between Tule Lake and Lower Klamath Marsh. Comment
  JEPS96555  Allium siskiyouense Dean W. Taylor 1997-6-11 16042 Siskiyou Moffett Creek, Scott River drainage, head Sissel Gulch 1676 Comment
  UC1299631  Allium siskiyouense Freed W. Hoffman 1951-7-12 3793 Siskiyou Packers Valley above Hammonds Camp; Marble Mountains, Packers Valley 2072 Comment
  UC803883  Allium validum G. L. Stebbins Jr. with P. Dansereau, C. McMillan, and K. Narayan 1949-8-9 4020 Siskiyou 10 mi w Weeds (along Park's Creek, above Stewart Springs); Park's Creek 1219 Comment
  NY334899  Allocarya laxa H. E. Brown 1897-8-1 590 Siskiyou South side Mt. Shasta 1524.0 Comment
  HSC30612  Allotropa virgata Frederick W. Oettinger 1969-8-23 1515 Siskiyou Salmon Mtns., between Chimney Rock and Smith Lake. 1418 Comment
  HSC67766  Alnus incana subsp. tenuifolia John Palmer 1980-8-15 990 Siskiyou NE of Seiad Low Gap on spur of F.S. Rd. 46N50 1098 Comment
  SEINET5536248 Image available Alnus incana subsp. tenuifolia A. A. Heller 1916-1 12559 Siskiyou near Sisson 1071 Comment
  UC1408783  Alnus incana subsp. tenuifolia Frederick W. Oettinger 1968-9-4 692 Siskiyou Abbots Lake outlet Salmon Mountains, Marble Mountain Wilderness Area (high lake basins in vicinity of English Peak, w Siskiyou Co.) 1722 Comment
  CAS-BOT-BC169641  Alnus rhombifolia C. Hart Merriam 1907-9-26 s.n. Siskiyou Klamath Canyon, Shovel Creek Comment
  HSC65131  Alnus rhombifolia J. P. Smith, Steve Selva 1970-7-16 4408 Siskiyou Beaver Creek Campground. 823 Comment
  UC127628  Alnus rhombifolia Mrs. Kate J. Stirring 1905-2-1 Siskiyou Etna Mills Comment
  JEPS82434  Alnus viridis subsp. sinuata Gilbert Muth 1966-7-29 462 Siskiyou Marble Valley Marble Mt. Wilderness Area (by waterfall) 1828 Comment
  CAS-BOT-BC539685  Alnus viridis subsp. sinuata Wm. Bridge Cooke 1939-8-10 13862 Siskiyou Mount Shasta: Mud Creek Canyon 2133 Comment
  JEPS94630  Alyssum alyssoides Vernon H. Oswald 1998-6-11 9178 Siskiyou on w side of Hwy 97 2.2 mi ne Lake Shastina-Big Springs Rd. (ne of Weed); Shasta NF plantation 1066 Comment
  UC166283  Alyssum alyssoides Geo. D. Butler 1910-5-15 1341 Siskiyou near Yreka Comment
  HSC43337  Alyssum alyssoides Maralyn O'Meara 1974-5-27 474 Siskiyou Along FS Rd. 47N03 1646 Comment
  NY785945  Alyssum alyssoides A. A. Heller 1905-6-17 8054 Siskiyou Comment
  HSC2902  Amaranthus albus R. C. Wunner 1965-8-27 490 Siskiyou California Lava Beds National Monument, top of petroglyphs Comment
  HSC2910  Amaranthus hybridus D. M. Thomson 1965-7-31 157 Siskiyou Lava Beds National Monument, Telephone Line Rd., by dump. Comment
  HSC65274  Amelanchier alnifolia Rich White 1978-7-20 260 Siskiyou Ridge top E of Raspberry Lake 1768 Comment
  HSC69210  Amelanchier alnifolia Maralyn A. Renner 1980-7-24 2081 Siskiyou Lily Pad Lake 1768 Comment
  HSC27466  Amelanchier alnifolia var. semiintegrifolia J. P. Smith, J. O. Sawyer 1972-5-28 5378 Siskiyou 2.4 mi. E of Trail Creek Campground on the Calahan-Cecilville Rd. 1524 Comment
  RSA184728  Amelanchier pumila Gilbert Muth 1966-7-8 369 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  CAS-BOT-BC136883  Amelanchier utahensis T. H. Harris 1951-6-1 s.n. Siskiyou Happy Camp 1432 Comment
  HSC101562  Amelanchier utahensis J. P. Smith, J. O. Sawyer 2010-5-6 12818 Siskiyou 732 Comment
  UC796576  Amelanchier utahensis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11800 Siskiyou s of Callahan (Scott Mt Rd) 1463 Comment
  CDA40472  Amsinckia menziesii T. C. Fuller 1966-5-26 14714 Siskiyou Quartz Valley, 2 miles west of Greenview. 0 Comment
  UC1178231  Amsinckia menziesii var. menziesii Jean H. Langenheim 1957-5-19 4348 Siskiyou intersection of Miner's Creek Road and Tiger Creek Road Comment
  JEPS25298  Amsinckia tessellata var. gloriosa Geo. D. Butler 1908-6-23 529 Siskiyou near Yreka (Butler Ranch); Butler Ranch Comment
  RSA696900  Anaphalis margaritacea Leo Miller s.n. Siskiyou Siskiyou Mts. 854 Comment
  HSC65508  Anemone deltoidea Rich White 1977-7-21 129 Siskiyou Slope below outlet of Raspberry Lake 1512 Comment
  UC1409280  Anemone deltoidea Frederick W. Oettinger 1968-8-6 427 Siskiyou se corner Hancock Lake (Salmon Mtns, w Siskiyou Co., vicinity of English Pk); Salmon Mtns, Marble Mtn Wilderness Area 1935 Comment
  UCR52382  Anemone drummondii R. James, S. Matthews, M. Goering 1985-6-1 138 Siskiyou Scott Mountain road about 2-3 miles from summit 1405 Comment
  HSC77116  Anemone multifida var. multifida K. T. Stillman 1976-6-25 64 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  CAS-BOT-BC391976  Anemone occidentalis G. J. Muth 1969-8-7 1227 Siskiyou Boulder Peak Ridge Comment
  CHSC1427  Anemone occidentalis V. Holt 1932-7-10 Siskiyou Marble mountains. 1828 Comment
  SEINET3075626 Image available Anemone occidentalis M. B. Dunkle 1945-7-1 Siskiyou Marble Mountains, Klamath National Forest. Comment
  UC853596  Anemone occidentalis L. E. Smith Siskiyou Mt. Shasta Comment
  UC8932  Anemone occidentalis unknown 1862-9-16 1419 Siskiyou Mt. Shasta 2438 Comment
  CAS-BOT-BC391965  Anemone occidentalis M. B. Dunkle 1945-7-19 9231 Siskiyou Klamath Natl. Forest, Marble Mts. Sky-High Bluffs Comment
  HSC18016  Anemone occidentalis Geo. D. Butler 1909-7-15 900 Siskiyou Highland Mine near head of Taylor Creek Comment
  JEPS109874  Anemone oregana var. oregana Dean W. Taylor 2005-7-12 19385 Siskiyou Antelope Creek; along unnamed tributary that drains from Rainbow Mountain, just upstream from the crossing of Forest Road 42N16 1697 Comment
  UCD127190  Angelica tomentosa Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou east of Marble Mountain, Marble Mountains. 1716 Comment
  HSC44892  Antennaria argentea Maralyn O'Meara 1974-5-25 406 Siskiyou Along road to Duck Lakes trail 1402 Comment
  UC904777  Antennaria geyeri unknown 1949-8-29 25675 Siskiyou above Bolam Station; Mount Shasta 1828 Comment
  CAS-BOT-BC58712  Antennaria geyeri Elmer I. Applegate 1936-7-3 10501 Siskiyou Lava Beds National Monument. East side of Hippo Butte Comment
  CAS-BOT-BC58679  Antennaria howellii Jack Major 1961-7-14 648 Siskiyou Mud Creek, Mounta Shasta 1828 Comment
  HSC68513  Antennaria howellii Maralyn A. Renner 1980-6-26 1079 Siskiyou N edge of Flint Valley 1390 Comment
  RSA238703  Antennaria howellii Frederick W. Oettinger 1968-9-3 679 Siskiyou Between Horse Range Lake and 'Horses Hole' pond. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  UC165971  Antennaria howellii subsp. howellii Geo. D. Butler 1909-7-15 954 Siskiyou Highland Mine Comment
  UC166208  Antennaria rosea Geo. D. Butler 1910-6-5 1519 Siskiyou Log Lake , Shackleford Creek Comment
  UCR37827  Antennaria rosea K. T. Stillman 1976-8-7 213 Siskiyou Marble Mountain Wilderness Area [Elk Valley head], Scott Bar 15' Q. 1951 Comment
  HSC77074  Antennaria rosea subsp. rosea K. T. Stillman 1976-6-26 108 Siskiyou Marble Mountain Wilderness Area 2073 Comment
  CHSC75759  Antirrhinum vexillo-calyculatum subsp. breweri Vernon H. Oswald; Lowell Ahart 1999-7-5 9801 Siskiyou Gazelle-Callahan Hwy 9.0 mi west of Gazelle. 914 Comment
  CHSC91227  Apera interrupta Lowell Ahart; John Dittes 2005-6-9 12007 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  CHSC26179  Apocynum androsaemifolium J. P. Kroessig 1977-8-6 62 Siskiyou Ca. 3 km sw of Mt. Shasta City. 1000 Comment
  JEPS80555  Apocynum androsaemifolium Gilbert Muth 1965-8-6 191 Siskiyou trail backside of Black Mt.; Marble Mt. Wilderness Area, Black Mt. 1920 Comment
  UC22884  Apocynum androsaemifolium W. H. Brewer 1862-9-16 1407 Siskiyou Mt. Shasta Comment
  HSC3208  Apocynum androsaemifolium R. C. Wunner 1965-7-9 367 Siskiyou Lava Beds N.M., 1 mi. from Mammoth Crater Jct. on Tichner Rd. to Upper Ice Cave. 1555 Comment
  RSA238024  Apocynum androsaemifolium subsp. pumilum Frederick W. Oettinger 1968-8-19 583 Siskiyou In Crapo Peak meadow, along the Tom Taylor Cabin- English Peak Trail . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  CAS-BOT-BC397940  Aquilegia formosa Doris K. Kildale 1929-7-20 8730 Siskiyou Raspberry Lake, upper S Fork of Indian Creek 1828 Comment
  RSA238278  Aquilegia formosa var. truncata Frederick W. Oettinger 1968-8-6 422 Siskiyou SE corner of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  HSC69022  Arabis divaricarpa var. interposita Maralyn A. Renner 1980-7-24 2012 Siskiyou Lily Pad Lake 1768 Comment
  RSA0125752  Arabis glabra C. B. Wolf 1934-7-6 6004 Siskiyou 4.7 miles from Mt. Shasta City on Wagon Camp Road, SW slope of Mt. Shasta Comment
  POM94756  Arabis holboellii var. retrofracta Geo. D. Butler 1910-6-5 1525 Siskiyou Log Lake, Shackleford Creek. Comment
  HSC92693  Arabis modesta D. L. Goforth 1980-6-27 651 Siskiyou Klamath River at McKinney Creek 537 Comment
  JEPS84109  Arabis oregana L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6415 Siskiyou ca 5 mi n Seiad Valley town (cirque at head of Hell's Canyon, e slope of Kangaroo Mountain); Kangaroo Mountain 1828 Comment
  UC722123  Arabis puberula C. L. Hitchcock and J. S. Martin 1939-7-9 5322 Siskiyou 0.5 mi se Kings Castle; Marble Mts. 1828 Comment
  HSC76885  Arabis puberula K. T. Stillman 1976-6-27 145 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  HSC44491  Arabis subpinnatifida K. Irwin 1977-5-21 378 Siskiyou Hayden, 1 mi. W of Scott Mtn., E of Rd. 40N08 Comment
  CAS-BOT-BC171030  Aralia californica L. E. Smith 1913-7-4 453 Siskiyou North fork Castle Creek Comment
  UC1212569  Aralia californica Francia Chisake and Helen Sharsmith 1959-8-20 4744 Siskiyou Salmon R between Forks of Salmon and Somes Bar (several mi. from Forks of Salmon); Inner North Coast Ranges, Salmon R. 304 Comment
  HSC36694  Arbutus menziesii Brent Whiteley 1975-6-21 8 Siskiyou Comment
  SEINET2471351  Arceuthobium abietinum R. L. Mathiasen 2007-9-18 2007 -49 Siskiyou 41.6 km N. of St. Rte. 96 on forest road 15N01 1420 Comment
  POM268120  Arceuthobium abietinum Marion Ownbey, Fred G. Meyer 1940-7-6 2212 Siskiyou Summit of Cayenne Ridge, near Marble Mountain. Comment
  JEPS40134  Arceuthobium campylopodum W. L. Jepson July 1894 Siskiyou Sisson Comment
  SEINET2471194  Arceuthobium campylopodum R. L. Mathiasen 2009-8-15 2009 -46 Siskiyou 2.4 km from Stewart Hot Springs on forest road 17 1356 Comment
  UCR168434  Arceuthobium douglasii L. C. Wheeler 1934-6-25 2783 Siskiyou Siskiyou Mtns., west fork of Cottonwood Creek 1372 Comment
  CAS-BOT-BC410076  Arceuthobium douglasii William Bridge Cooke 1947-7-25 17729 Siskiyou north side of Cascade Gulch, Mt. Shasta 1524 Comment
  CAS-BOT-BC40024  Arctostaphylos nevadensis W. B. C. 1938-8-18 11504 Siskiyou Mount Shasta - Horse Camp Slopes Hudsonian 2514 Comment
  CAS-BOT-BC45438  Arctostaphylos nevadensis Ira L. Wiggins 1955-7-27 13559 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area. 2042 Comment
  HSC67697  Arctostaphylos nevadensis John Palmer 1980-7-24 581 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  UC909357  Arctostaphylos nevadensis Ira L. Wiggins 1950-5-28 12373 Siskiyou small bog on side of ridge above Grouse Creek (about 1.5 mi from Carmen Lake) 1584 Comment
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Jan 29 2013
  CAS-BOT-BC46460  Arctostaphylos patula G. D. Hanna; M. M. Hanna 1956-6-6 1000 Siskiyou Glass Mt. 2316 Comment
  CAS-BOT-BC46465  Arctostaphylos patula Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou W. side of Gumboot Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC46467  Arctostaphylos patula Alice Eastwood 1912-9-1 s.n. Siskiyou Sisson. Comment
  HSC4926  Arctostaphylos patula J. O. Sawyer 1968-9-9 654 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  RSA238575  Arctostaphylos patula Frederick W. Oettinger 1968-8-15 527 Siskiyou At n. end of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UC412767  Arctostaphylos patula Milo S. Baker 1897-8-1 94 Siskiyou Mayfield rd 10 mi e Bartle's 1524 Comment
  UCD53416  Arctostaphylos patula A. T. Leiser 1973-3-22 D 2504 Siskiyou Dunsmuir. Comment
  CAS-BOT-BC47008  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1928-4-2 4404 Siskiyou Klamath River at Somes Bar. Comment
  UC1190137  Arctostaphylos viscida subsp. viscida Ira L. Wiggins 1955-7-23 13462 Siskiyou ridge w China Creek (s side of S Fork of Salmon River) 960 Comment
  UC166109  Arenaria congesta var. suffrutescens Geo. D. Butler 1910-6-5 1514 Siskiyou Log Lake Comment
  SEINET3155346  Arenaria nuttallii G. D. Butler 1910-7-4 1638 Siskiyou Goosenest foothills 1219 Comment
  UCD129100  Arnica cernua G. L. Stebbins Jr.; A. A. Beetle 1942-6-1 3271 Siskiyou Indian Creek. 17 miles north of Happy Camp. 1249 Comment
  UCD129116  Arnica chamissonis Malcolm A. Nobs; Calvin McMillan 1949-6-17 797 Siskiyou Grass Lake, Highway 97. Comment
  SEINET11837690  Arnica cordifolia H. P. Chandler 1901-1 1615 Siskiyou near Marble Mountain 2134 Comment
  CAS-BOT-BC82554  Arnica discoidea Annie M. Alexander; Louise Kellogg 1948-9-14 5620 Siskiyou Canyon Creek, branch of Scott River 762 Comment
  HSC30475  Arnica discoidea Frederick W. Oettinger 1969-8-9 1323 Siskiyou Along main N Fork trail between Fivemile Stockgate and Abbott's Upper Cabin, Salmon Mtns. 1098 Comment
  UC933412  Arnica discoidea Annie M. Alexander 1948-9-14 5620 Siskiyou on open slope near mouth of Canyon Creek; Scott River 762 Comment
  UC1040751  Arnica mollis A. H. Murphy 1956-8-16 56 Q Siskiyou Big Marshy Meadows Klamath National Forest 1981 Comment
  UC165319  Arnica mollis Geo. D. Butler 1908-8-4 336 Siskiyou head of Shackleford Creek Comment
  JEPS125856  Arnica venosa Dean W. Taylor 1996-6-20 15728 Siskiyou Drainage of Dry Creek on western short, Lake Shasta; Shasta National Recreation Area. Comment
  CAS-BOT-BC90084  Arnica viscosa R. H. Bohmannson 1926-7-1 s.n. Siskiyou Mt. Shasta Comment
  CAS-BOT-BC90090  Arnica viscosa Bassett Maguire 1939-8-8 13833 Siskiyou in the valley of Horse Camp Creek 2468 Comment
  UC1408754  Arnica viscosa Frederick W. Oettinger 1968-9-2 668 Siskiyou Upper English Lake Marble Mountains Wilderness Area, Salmon Mountains, English 1859 Comment
  CAS-BOT-BC90097  Artemisia Dewey Riscioni 1970-2-12 1001 Siskiyou Modoc N.F., Creum's Lake, near Lower Klamath Lake Comment
  UCR45430  Artemisia arbuscula K. T. Stillman 1976-9-9 483 Siskiyou Marble Mountain Wilderness Area 1951 Comment
  RSA184688  Artemisia arbuscula subsp. arbuscula Gilbert Muth 1966-8-7 504 Siskiyou Lookout trail along ridge, Marble Mts. 2058 Comment
  RSA211190  Artemisia arctica subsp. arctica William J. Ferlatte 1966-8-5 342 Siskiyou Caribou Mtn., Open granite slopes and ridges. Near summit. 2470 Comment
  CAS-BOT-BC84888  Artemisia campestris subsp. pacifica Gilbert Muth 1966-7-22 435 Siskiyou Marble Rim, Marble Mountains 2194 Comment
  CHSC72224  Artemisia cana subsp. bolanderi Vernon H. Oswald; Lowell Ahart 1998-9-16 9628 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
  CDA10152  Artemisia douglasiana T. C. Fuller 1962-8-3 9519 Siskiyou Siskiyou Mountains; Slope above Salt Gulch, Horse Creek. 0 Comment
  HSC34311  Artemisia ludoviciana subsp. ludoviciana J. P. Smith, J. O. Sawyer 1973-8-14 7324 Siskiyou West of Cliff Lake 2012 Comment
  HSC2270  Artemisia tridentata subsp. tridentata Geo. D. Butler 1910-9-12 1883 Siskiyou Butte Valley 1280 Comment
  HSC68403  Aruncus dioicus var. acuminatus Maralyn A. Renner 1980-7-4 1383 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  CHSC100006  Aruncus dioicus var. pubescens L. P. Janeway 2008-7-25 9491 Siskiyou Klamath Ranges. Siskiyou Mountains; at Horsetail Falls, along Road 48N20, along upper eastern fork of East Fork Seiad Creek. 1237 Comment
  UC637064  Aruncus dioicus var. pubescens Edward Lee 1934-8-11 1031 Siskiyou e end Seiad Valley (Walker Creek, a tributary of the Klamath River); , Klamath River, Walker Creek 609 Comment
  CAS-BOT-BC447713  Aruncus dioicus var. vulgaris Dorothy Parker 1947-5-31 188 Siskiyou Kidder Creek, Scott Valley 853 Comment
  RSA238015  Asarum caudatum Frederick W. Oettinger 1968-8-14 510 Siskiyou In deep shade of alder thicket approx 100 yards down stream from Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  UCD137826  Asarum caudatum Mary Andriessen 1962-5-19 54 Siskiyou in vicinity of Flicker Ridge in the Moraga Hills. Comment
  UC705671  Asclepias cordifolia Marion Ownbey, Fred G. Meyer 1940-7-6 2202 Siskiyou Cayenne Ridge Marble Mountain Comment
  SEINET10580360  Asclepias cordifolia Edward L. Greene 1876-6-19 Greene 862 Siskiyou Near Yreka Comment
  SEINET10928327  Asclepias cordifolia A. Arthur Heller 1916-6-23 Heller 12420 Siskiyou Open places in the yellow pine belt in coarse sandy soil near Black Butte north of Sisson, The prevalent undershrubs are Ceanothus and Uva-ursi 1128 Comment
  CDA15398  Asclepias speciosa G. F. Hrusa 1997-9-18 14109 Siskiyou Shasta Valley. 1 mi. S of Gazelle on Old Hwy. 99. Comment
  HSC93541  Asclepias speciosa G. Fred Hrusa 1997-9-18 14109 Siskiyou Shasta Valley, 1 mi. S of Gazelle on Old Hwy. 99 800 Comment
  JEPS49824  Asclepias speciosa Willis L. Jepson July 24, 1894 - August 10, 1894 14539 Siskiyou near Sisson; Region of the Upper Sacramento Comment
  UC221739  Asclepias speciosa H. E. Brown Jul 15 1897-Jul 31 1897 493 Siskiyou n side Mt. Shasta 1524 Comment
  CAS-BOT-BC69558  Aspidotis densa John Thomas Howell 1939-8-2 14902 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC909315  Aspidotis densa Ira L. Wiggins 1950-5-28 12379 Siskiyou just above Grouse Lake (headwaters of Grouse Creek) 1828 Comment
  UCSB17935  Aspidotis densa Hardham, Clare 1961-7-3 Siskiyou Scott Mountains, S of Calahan Comment
  RSA351096  Aster frondosus L. C. Wheeler 1934-8-20 3194 Siskiyou West Fork Beaver Creek. 1220 Comment
  RSA417679  Aster integrifolius L. C. Wheeler 1934-8-14 3119 Siskiyou 1 mile west of White Mt., Siskiyou Mts. 1921 Comment
  RSA293121  Aster occidentalis J. P. Smith, John Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8969 Siskiyou State Route 3, 2.5 miles north of Siskiyou-Trinity Co. line Comment
  POM193509  Aster oregonensis J. B. Feudge 1928-8-11 1912 Siskiyou Mt. Shasta City 1037 Comment
  CAS-BOT-BC310334  Asteraceae R. C. Wenk 2005-7-15 236 B Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail 2042 Comment
  UC909322  Astragalus californicus Dorothy Parker 1948-6-14 Siskiyou Rail Creek East Fork Scott River drainage, Plowman's Valley, Rail Creek (Plowman's Valley, East Fork Scott River drainage) 1203 Comment
  CHSC71297  Astragalus curvicarpus Vernon H. Oswald; Lowell Ahart 1998-6-11 9183 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northwest of Weed. 1066 Comment
  RSA94041  Astragalus curvicarpus R. C. Barneby 1954-5-15 11504 Siskiyou 2.5 miles n. of Gazelle. 838 Comment
  CAS-BOT-BC182965  Astragalus filipes E. K. Balls 1950-5-17 14719 Siskiyou By New Lava Flow, on rd. to Capt. Jack's Stronghold. Lava Beds Nat'l Monument 1584 Comment
  CAS-BOT-BC186918  Astragalus inversus J. William Thompson 1936-7-9 13167 Siskiyou Lava slopes of Lava Beds Nat. Monument Comment
  CDA26704  Astragalus lentiginosus var. salinus T. C. Fuller 1962-6-12 8966 Siskiyou Davis Road to Medicine Lake, Little Oklahoma district, ca. 15 miles east of Dorris. 0 Comment
  RSA90176  Astragalus lentiginosus var. salinus F. W. Peirson 1923-7-19 3602 Siskiyou From Lairds Landing to Bray. Comment
  CAS-BOT-BC194434  Astragalus obscurus Alice Eastwood; John Thomas Howell 1934-4-20 1786 Siskiyou 4 miles n. of Weed Comment
  UCD105213  Astragalus purshii Wm. E. Moon 1958-5-29 s.n. Siskiyou Along State Hwy. 97, southwest of Hebron Summit. 1524 Comment
  SEINET3165921  Astragalus whitneyi var. siskiyouensis R. W. Spellenberg 2006-6-19 13741 Siskiyou along USFS access road 4.3 km E of Claif. Hwy. 139, the jct of road and highway 31 km SE of Modoc Co. line (Just S of Adin) Comment
  CAS-BOT-BC198714  Astragalus whitneyi var. siskiyouensis Mrs. H. C. Cantelow 1936-5-21 s.n. Siskiyou 2 miles up Scott Mt. grade. Comment
  CDA26765  Astragalus whitneyi var. siskiyouensis T. C. Fuller 1960-6-29 4643 Siskiyou Scott Mountain Road, 4.2 miles south of Callahan. 0 Comment
  UC150679  Athyrium distentifolium var. americanum Dr. E. B. Copeland 1903-8-16 3917 Siskiyou Mt Shasta 2377 Comment
  HSC29366  Athyrium distentifolium var. americanum Frederick W. Oettinger 1968-8-12 499 Siskiyou Marble Mtn. Wilderness Area, just SE of Tobacco Lake 1890 Comment
  HSC29368  Athyrium distentifolium var. americanum Frederick W. Oettinger 1969-8-22 1489 Siskiyou SE bank of Horse Range Lake 1829 Comment
  RSA768925  Azolla microphylla Lowell A. Ahart, John Dittes 2010-7-30 16955 Siskiyou Edge of the Shasta River, about 50-100 yards from the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 air miles southwest of Big Springs Lake, 4.6 air miles northwest of Dwinnel Dam, 5.7 air miles southeast of Grenada. 717 Comment
  CAS-BOT-BC106546  Balsamorhiza deltoidea L. E. Smith 1914-4-25 641 Siskiyou Yreka Comment
  CAS-BOT-BC100051  Balsamorhiza hookeri Roxana S. Ferris; Laura Lorraine 1948-6-12 11713 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], e. fork of Scott River Comment
  UC1577645  Balsamorhiza lanata W. T. Mooney Apr 1903 Siskiyou Yreka Comment
  RSA121103  Balsamorhiza sagittata M. H. Mitchell 1936-5-8 s.n. Siskiyou 0.25 mile east of Symbol Bridge on Road 1418 Comment
  CAS-BOT-BC16688  Barbarea orthoceras D. E. Breedlove 1962-6-11 3353 Siskiyou Marble Mountains. About 20 miles west of Fort Jones. Canyon Creek. 914 Comment
  UCSB24056  Berberis aquifolium var. aquifolium Favero, R. 1968-3-26 Siskiyou 1 mile southwest of Hilt, near old water tank, Siskiyou Mountains 853 Comment
  CAS-BOT-BC75723  Berberis nervosa Alice Eastwood 1917-9-2 6685 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC75936  Berberis piperiana C. Hart Merriam 1919-10-12 s.n. Siskiyou Scott Valley (near Etna). Comment
  RSA795336  Berula erecta L. Ahart, John Dittes 2010-7-30 16934 Siskiyou Along the west edge of the Shasta River, about 30 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 air miles southwest of Big Springs Lake, 4.6 air miles northwest of Dwinnel Dam, 5.7 air miles southeast of Grenada. 717 Comment
  JEPS58657  Betula occidentalis Miss Edmonds Jul 1890 Siskiyou Comment
  RSA233715  Betula occidentalis Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mts., Shasta-Trinity National Forest: ca. 15 air mi. SW of Weed along road to Kangaroo Lake. Comment
  UC1076038  Betula occidentalis Herbert L. Mason 1947-5-15 14754 Siskiyou nw Edgewood Comment
  UC61668  Bidens cernua Geo. B. Grant 1902-9-1 5222 Siskiyou Sisson, Mount Shasta, Pacific Coast Pacific Coast, Mount Shasta, Sisson 914 Comment
  CAS-BOT-BC102063  Bidens frondosa Louis C. Wheeler 1934-9-19 3285 Siskiyou Walker, Klamath National Forest 518 Comment
  CAS-BOT-BC413083  Bistorta bistortoides Wm. Bridge Cooke 1940-6-8 15127 Siskiyou In Mount Shasta City along an irrigation canal Comment
  CAS-BOT-BC127903  Blepharipappus scaber Louis C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek, Siskiyou Mts. 914 Comment
  CAS-BOT-BC127931  Blepharipappus scaber Alice Eastwood; John Thomas Howell 1934-4-20 1788 Siskiyou 4 miles n. of Weed Comment
  CAS-BOT-BC127944  Blepharipappus scaber Dorothy Parker 1948-5-16 s.n. Siskiyou east side of Scott Valley 914 Comment
  CAS-BOT-BC127973  Blepharipappus scaber Mrs. H. C. Cantelow 1936-5-21 1252 Siskiyou 12 mi. S. of Etna, rd. to Callahan Comment
  POM351060  Blepharipappus scaber Robert Gustafson 1985-10-19 3308 Siskiyou Stewart Mineral Springs resort. 1220 Comment
  JEPS82472  Boechera Gilbert Muth 1966-7-8 370 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  CAS-BOT-BC16892  Boechera Vesta Holt 1943-8-13 M- 16 Siskiyou Marble Mountains. Comment
  UCD114147  Boechera Dean William Taylor 1972-7-4 1578 Siskiyou Near Lily Pad Lake 3 miles W of Cook and Green Pass. 1981 Comment
  CHSC102558  Boechera howellii L. P. Janeway 2009-8-3 9885 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 1.3 air km southwest of Brewer Creek Trailhead; about 0.3 km south of Brewer Creek. 2560 Comment
  UCD77347  Boechera paupercula Robert E. Preston 2001-7-21 1730 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2072 Comment
  CAS-BOT-BC14274  Boechera pinetorum John Thomas Howell 1937-7-21 13153 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC14670  Boechera rectissima Marion Ownbey; Fred G. Meyer 1940-7-3 2161 Siskiyou 5 miles northwest of McCloud. Comment
  CAS-BOT-BC25609  Boechera retrofracta John Thomas Howell 1939-8-8 15174 Siskiyou Marble Mountains. Black Mountain. Comment
  JEPS53079  Boechera retrofracta Harley P. Chandler Jun 1901 1663 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  UC1409430  Boechera retrofracta Frederick W. Oettinger 1969-7-11 922 Siskiyou Near Half-way Spring, trail from English Lake to Diamond Lake, Salmon Mountains, Marble Mountain Wilderness Area, English Peak. 1828 Comment
  UC673142  Boechera retrofracta Lincoln Constance and Reed C. Rollins 1942-5-13 2917 Siskiyou 1Scott River 0 mi southwest of Scott Bar; Klamath-Siskiyou Region. 609 Comment
  UC375281  Boechera sparsiflora Geo. D. Butler 1909-5-8 723 Siskiyou near Yreka; ; Siskiyou Co. Comment
  UC618778  Boechera sparsiflora unknown 1938-6-17 11051 Siskiyou Sisson Southern Trail Mount Shasta 1371 Comment
  SEINET3132241  Boechera sparsiflora G. D. Butler 1910-5-21 1382 Siskiyou Klamath hils Comment
  UC1333316  Boechera stricta Dorothy Parker 1949-5-28 305 Siskiyou Kidder Creek Salmon Mountains Range 914 Comment
  CAS-BOT-BC25870  Boechera subpinnatifida L. E. Smith 1914-4-20 636 Siskiyou Yreka. Comment
  CAS-BOT-BC438785  Boykinia major Dana York 2012-7-20 3120 Siskiyou Rogue River - Siskiyou National Forest, Siskiyou Mountains, ca. 2.4 km W-SW of Cook and Green Pass, moist slope above Echo Lake. 1710 Comment
  CAS-BOT-BC418456  Boykinia major J. E. Wilson 1935-7-20 s.n. Siskiyou Caribou Lake, Trinity Mts. Comment
  UC2026462  Boykinia major Louis C. Wheeler 1958-8-21 7419 Siskiyou Siskiyou Mountains. Head of Hell's Canyon. Comment
  JEPS18783  Brickellia californica Geo. D. Butler 1909-9-20 948 Siskiyou along creek near Yreka Comment
  CHSC29303  Brickellia greenei J. D. Prouty 1979-8-6 79 .95 Siskiyou Near summit of Stud Hill. 1767 Comment
  UCSB37839  Brickellia greenei Roos, John 1948-9-2 Siskiyou 5 miles S.W. of Yreka Comment
  SEINET10514368  Briza maxima A. Arthur Heller 1905-6-20 Heller 8075 Siskiyou Gazelle. Comment
  CDA39464  Brodiaea elegans E. Hale 1984-6-19 s.n. Siskiyou Deer Meadow Road near Yreka. 0 Comment
  HSC42913  Brodiaea elegans subsp. elegans J. O. Sawyer, K. T. Stillman 1976-7-2 2825 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  CAS-BOT-BC484384  Brodiaea elegans subsp. elegans Clarice Nye 1940-7-1 s.n. Siskiyou Near Copco, Green Springs Mountain, California-Oregon border Comment
  SEINET10533843  Brodiaea multiflora Edward L. Greene 1876-6-5 Greene 822 Siskiyou Collected near Yreka, Calif. Comment
  CAS-BOT-BC144102  Bromus Arthur Menzies 1962-7-26 s.n. Siskiyou Morgan Meadows, base of Mount Eddy. 1706 Comment
  HSC30548  Bromus carinatus Frederick W. Oettinger 1969-8-13 1351 Siskiyou Marble Mtn. Wilderness Area, SE ridge of English Lake. 2134 Comment
  JEPS72945  Bromus carinatus var. carinatus W. L. Jepson 1940-6-23 20017 Siskiyou 1 mi s of Andesite Station (n of Mount Shasta) 975 Comment
  CAS-BOT-BC148800  Bromus carinatus var. marginatus William A. Dayton 1913-8-14 456 Siskiyou Shasta Forest. Ash Creek Sink. 1219 Comment
  UCD58275  Bromus carinatus var. marginatus Mr. Roseman 1913-1 9 Siskiyou Butte Valley. Comment
  HSC30546  Bromus carinatus var. marginatus Frederick W. Oettinger 1969-9-1 1576 Siskiyou Inlet to Dry Lake, Salmon Mtns. 2027 Comment
  UCD58774  Bromus hordeaceus A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3392 Siskiyou 7 miles N of Weed. Comment
  SEINET250617 Image available Bromus inermis subsp. inermis Cindy Roche, Robert Korfhage 2005-7-12 Siskiyou Road 1055 milepost 3.3 Cook & Green Road. 1040 Comment
  HSC22857  Bromus orcuttianus J. O. Sawyer 1969-7-9 1212 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  RSA239074  Bromus orcuttianus Frederick W. Oettinger 1969-9-4 1639 Siskiyou On south side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UC204779  Bromus racemosus Geo. D. Butler 1908-6-25 476 Siskiyou near Yreka Comment
  HSC101710  Bromus sterilis J. P. Smith, J. O. Sawyer 2011-6-25 13258 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  HSC41384  Bromus suksdorfii J. O. Sawyer 1970-7-4 2319 Siskiyou S of Cedar Flat Cabin 1494 Comment
  CAS-BOT-BC185599  Bromus tectorum Alice Eastwood 1912-7-17 1126 Siskiyou McCloud. Comment
  CHSC86643  Bromus tectorum Jenny Marr 1993-7-1 26 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC1579533  Bromus tectorum Mitchell 1936-5-14 21 Siskiyou Lava Beds National Monument, Canby Cross Canby Cross; Lava Beds National Monument, Canby Cross 1249 Comment
  UC204737  Bromus tectorum Geo. D. Butler 1908-6-25 475 Siskiyou near Yreka Comment
  UCD59865  Bromus tectorum Sandra L. Holloway 1963-4-11 33 Siskiyou Umbrella Hill,' 1 mile S of Oberlin Road and 5 miles SE of Yreka. 762 Comment
  HSC103034  Bromus tectorum J. P. Smith 2014-6-7 13892 Siskiyou Etna Comment
  RSA715633  Bromus tectorum var. glabratus L. Ahart, John Dittes 2005-6-9 12010 Siskiyou On the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2.5 miles (air) ESE of Grenada. 775 Comment
  HSC22197  Calamagrostis koelerioides J. O. Sawyer 1968-7-9 419 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  UCD57320  Calamagrostis koelerioides A. A. Heller 1915-8-26 12243 Siskiyou north side of Mt. Eddy. Comment
  UCSC000100  Calamagrostis koelerioides A. H. Murphy 1956-8-16 560 Siskiyou Big Marshy Meadow - Klamath National Forest 1981 Comment
  SJSU11316  Calamagrostis rubescens S. H. Casey 1981-7-4 1209 Siskiyou near Cook & Green Pass, Seiad Creek Rd c. 6 mi N of Seiad Valley 1706 Comment
  UC869391  Callitriche verna Louis C. Wheeler 1935-6-13 3568 1/2 Siskiyou Greenview; Scott Valley 883 Comment
  HSC39918  Callitropsis nootkatensis J. O. Sawyer 1970-7-15 2350 Siskiyou Above Bear Lake 1585 Comment
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Jun 9 2017
  HSC65506  Callitropsis nootkatensis Rich White 1977-6-20 85 Siskiyou NE area around Devils Punchbowl 1433 Comment
  CAS-BOT-BC85730  Calocedrus decurrens Doris K. Kildale 1928-8-20 6639 Siskiyou Finley's Upper Camp, head of north fork Salmon River - trail to Marble Mt. Comment
  CAS-BOT-BC85737  Calocedrus decurrens Wm. Bridge Cooke 1938-9-2 11592 Siskiyou Sisson Southern Trail 1524 Comment
  HSC69737  Calocedrus decurrens Maralyn A. Renner 1980-6-26 1280 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  OBI55489  Calocedrus decurrens David J. Keil 1992-7-20 23512 Siskiyou Etna 1000 Comment
  CAS-BOT-BC85735  Calocedrus decurrens H. E. Brown 1897-6-15 507 Siskiyou North side of Mt. Shasta 2743 Comment
  SEINET10531061  Calocedrus decurrens Jeffrey Huber 1971-6-9 Huber 269 Siskiyou 3 mi N of Weed, on US Hwy 97; S facing 20.00.00 slope; roadside; in Pinus ponderosa, P. jeffreyi, and Artemisia tridentata and Purshia. 1128 Comment
  SBBG15287  Calochortus coeruleus H. and M. Dearing 1939-7-1 3793 Siskiyou Salmon Mtn summit 1828 Comment
  SEINET8715954 Image available Calochortus elegans Unknown 1941-1 2429 Siskiyou Near Gunsight Peak, mountain west of Yreka Comment
  UCD139507  Calochortus elegans Nancy J. Hull 1974-5-27 136 Siskiyou Sugar Creek Road by Sugar Creek Dam, west of Scott Valley. Comment
  CHSC67725  Calochortus longebarbatus J. D. Jokerst 1983-7-21 1864 Siskiyou At Wiley Ranch. Comment
  CHSC2237  Calochortus macrocarpus V. Holt 1932-7-11 Siskiyou Haystack Butte. Comment
  JEPS61690  Calochortus macrocarpus W. L. Jepson 1940-6-23 19988 Siskiyou e of Grenada and Mayten (e side of Little Shasta Valley); Little Shasta Valley 883 Comment
  HSC44997  Calochortus nudus J. P. Smith, Steve Selva 1970-7-17 4463 Siskiyou Below Kangaroo Lake. 1890 Comment
  CAS-BOT-BC493096  Calochortus nudus A. A. Heller 1915-7-15 12100 Siskiyou Mt. Eddy in open swampy places in the forest 1371 Comment
  CAS-BOT-BC181505  Caltha leptosepala D. M. Traugh 1933-8-7 17 Siskiyou Marble Valley Comment
  HSC44941  Caltha leptosepala J. O. Sawyer 1978-6-20 3263 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  HSC4944  Caltha leptosepala J. O. Sawyer 1968-7-22 256 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  CAS-BOT-BC273389  Calycadenia fremontii David D. Keck 1938-8-7 4851 Siskiyou Schoolhouse Hill, 5.5 m. NE of Callahan, on road to Gazelle 1100 Comment
  HSC31620  Calypso bulbosa Gleen McGourty 1974-5-25 53 Siskiyou Near junction of Road 8 and French Creek Rd. 1280 Comment
  UC1090385  Calyptridium monospermum Milo S. Baker 1957-6-15 13116 Siskiyou road cut just s of Weed Comment
  UC598748  Calyptridium umbellatum C. Hart Merriam 1898-1 Siskiyou Mount Shasta, Wagon Camp Wagon Camp; Mount Shasta, Wagon Camp Comment
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Sep 19 2006
  UC7775  Calyptridium umbellatum W. H. Brewer 1862-9-13 1371 Siskiyou Mount Shasta 2133 Comment
  UCD35433  Calystegia malacophylla Beecher Crampton 1956-8-21 3834 Siskiyou Canyon of the south fork of the Sacramento River. 1524 Comment
  CAS-BOT-BC497300  Camassia leichtlinii var. suksdorfii Elmer I. Applegate 1898-5-14 2123 Siskiyou At Shovel Creek Hot Springs on Klamath River 853 Comment
  RSA530925  Camelina microcarpa L. C. Wheeler 1934-6-2 2619 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mountains (Mt. Diablo Mer.) 671 Comment
  CAS-BOT-BC160896  Camissonia tanacetifolia subsp. tanacetifolia Peter H. Raven 1962-5-30 17898 Siskiyou U. S. Highway 97, 4.4 miles south of Dorris Comment
  CAS-BOT-BC160902  Camissonia tanacetifolia subsp. tanacetifolia D. Bates 1960-6-13 2436 Siskiyou Route 97 at Grass Lake Comment
  UC220935  Campanula prenanthoides Dr. Edward Palmer Jul 13 1892-Jul 27 1892 2511 Siskiyou Mt. Shasta and vicinity Comment
  SEINET10463113  Campanula prenanthoides Willis L. Jepson 1914-8-14 Jepson 6172 Siskiyou DUNSMUIR 671 Comment
  SEINET10463226  Campanula prenanthoides James P. Smith, Steven B. Selva 1970-7-15 Smith, Jr. 4340 Siskiyou KLAMATH NATL FOR., RD TO HAPPY CAMP MIXED CONIFEROUS FOREST. T18N R7W SEC 25 NW 1/4 732 Comment
  SEINET10840317  Campanula prenanthoides John T. Witherspoon 1977-8-10 Witherspoon s.n. 1977 Siskiyou 2 MI UP FOREST SERVICE RD 12N13 W OF BALD BUTTE. T12N R6E SEC. 11 610 Comment
  HSC76899  Campanula rotundifolia K. T. Stillman 1976-8-7 385 Siskiyou Marble Mountain Wilderness Area Comment
  SEINET10463387  Campanula scabrella Muth 1978-8-1 MUTH 6901 Siskiyou Near Cory peak, on the China Mountain quadrangle, clase to the town of Callahan 2219 Comment
  POM59302  Campanula scouleri W. A. Setchell 1902-7-26 13688 Siskiyou Mt. Shasta. Sisson. Comment
  SEINET10463766  Campanula scouleri Overton 1979-8-6 OVERTON 12918 Siskiyou Near Sutcliffe Creek, on the Presto Peak quadrangle, close to the town of Happy Camp, streamside, Evergreen Conifer forest. 1158 Comment
  SEINET10939052  Campanula scouleri Edwin B. Copel 1903-8-17 Copeland 3911 Siskiyou MT. EDDY 1311 Comment
  SEINET10972096  Campanula scouleri Joseph W. Congdon 1900-8-10 Congdon s.n. Siskiyou NR. SISSON Comment
  JEPS53833  Campanula shetleri Wayne Roderick 1967-9-1 Siskiyou Little Castle Lake; n-facing granite cliffs 1828 Comment
  JEPS79759  Campanula wilkinsiana L. R. Heckard 1967-8-14 1731 Siskiyou above (second spring on side canyon) Horse Camp (sw flank of Mt. Shasta); Mt. Shasta 2560 Comment
  SEINET10463877  Campanula wilkinsiana John G. Lemmon 1889-9-12 Lemmon s.n. Siskiyou NEAR HORSE CAMP, W SLOPE OF MT. SHASTA NR TIMER LINE FORMING EXTENSIVE MAPS 2865 Comment
  SEINET10463878  Campanula wilkinsiana Cyrus G. Pringle 1881-8-24 Pringle s.n. Siskiyou MT. SHASTA 2134 Comment
  UC631649  Campanula wilkinsiana M. D'Evelyn 1931-8-10 Siskiyou creek bed near Red Cap; Mount Shasta 2438 Comment
  RSA592543  Cardamine cordifolia var. lyallii S. O. Mattoon 1978-7-22 22 Siskiyou Lower Wright Lake, Marble Mountains Wilderness Area; 13 air miles W of Fort Jones. 2378 Comment
  CDA6890  Carduus nutans R. S. Richards 1965-7-27 Siskiyou Between Mt Shasta & Highway 99, ca 2 miles north of Mt Shasta City. 0 Comment
  CAS-BOT-BC19772  Carex abrupta K. T. Stillman 1976-7-15 257 Siskiyou Marble Mountain Wilderness Area. 1950 Comment
  RSA237241  Carex abrupta Frederick W. Oettinger 1969-8-22 1505 Siskiyou Sandy bed of dry inlet into Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1982 Comment
  CAS-BOT-BC17859  Carex amplifolia H. A. Thomas; J. H. Thomas 1954-7-21 4418 Siskiyou Salmon-Trinity Mountains. About 6 miles southeast of Cecilville. West side of Rush Creek. 1158 Comment
  CHSC40178  Carex amplifolia L. P. Janeway 1982-8-21 170 Siskiyou East-facing sloping seep below the Poker Flat/Twin Valley Trail. 1584 Comment
  HSC73340  Carex amplifolia Gail Newton 1980-6-20 466 Siskiyou Near Bald Mtn. 1097 Comment
  UC1738777  Carex amplifolia Dean W. Taylor 1993-7-30 13986 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 miles east of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
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Feb 9 2009
  HSC76856  Carex amplifolia L. P. Janeway 1982-8-1 96 Siskiyou Meadow on curve of FS 17N32 at FS 17N32A 793 Comment
  HSC76858  Carex amplifolia L. P. Janeway 1982-8-21 170 Siskiyou E facing slope below the Poker Flat/Twin Valley Trail 1585 Comment
  CAS-BOT-BC17969  Carex angustata George Dexter Butler 1909-6-22 855 Siskiyou Goosenest foothills. Comment
  RSA215574  Carex aquatilis var. dives Al Hobart 1970-8-25 s.n. Siskiyou Wet ground beside a small lake, northwestern Siskiyou County. 1524 Comment
  CAS-BOT-BC18133  Carex athrostachya George Dexter Butler 1909-6-22 854 Siskiyou Goosenest Foothills. Comment
  UC55222  Carex athrostachya H. M. Hall and E. B. Babcock Jun 1903 4062 Siskiyou Sisson Mount Shasta 106 Comment
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Nov 7 2009
  HSC76800  Carex bolanderi L. P. Janeway 1982-8-21 168 Siskiyou Twin Valley 1585 Comment
  CHSC40139  Carex brainerdii L. P. Janeway 1983-6-25 336 Siskiyou Cutbank of dirt rd ca 1/2 mi n of West Branch USFS Sta. 670 Comment
  UC823325  Carex brainerdii John Thomas Howell 1939-8-3 15008 Siskiyou Spirit Lake Marble Mts., Spirit Lake 1828 Comment
  SD53346  Carex breweri Darley F. Howe 1962-8-6 Siskiyou Mt. Shasta. 2438 Comment
  CAS-BOT-BC34882  Carex deflexa var. boottii John Thomas Howell 1937-7-21 13198 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CHSC52866  Carex echinata subsp. echinata L. P. Janeway 1983-8-16 558 Siskiyou At Poker Flat, a large meadow. 1524 Comment
  HSC29666  Carex echinata subsp. echinata Frederick W. Oettinger, R. F. Thorne 1969-8-7 1270 Siskiyou Marble Mtn. Wilderness Area, margin of English Lake 1768 Comment
  HSC96590  Carex echinata subsp. echinata Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-19 478 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  CHSC106473  Carex fracta Peter F. Zika 2009-8-16 24603 Siskiyou Cascade Range Highlands (CaRH). Near top of Road A10 (Everett Memorial Highway), S slope of Mt. Shasta. 2370 Comment
  SEINET10505790  Carex gymnoclada Katherine L. Morris 1973-6-2 Morris 346 Siskiyou Found at the jct. Of shasta and kalmath rivers on hwy. 263 Comment
  JEPS102966  Carex inops subsp. inops L. P. Janeway 2002-7-12 7623 Siskiyou High Cascade Range. 3.5 km south of the top of Ash Creek Butte; 0.2 km southwest of Road 19 (Military Pass Road); 0.6 km north-east of confluence of Ash Creek and Brewer Creek 1573 Comment
  CHSC95997  Carex integra L. P. Janeway 2006-7-4 8790 Siskiyou Klamath Ranges. Scott Mountains; Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  CAS-BOT-BC35478  Carex jonesii J. W. Stacey 1939-7-7 13617 Siskiyou near lower Wagon Camp Springs 1737 Comment
  RSA237297  Carex jonesii Frederick W. Oettinger 1969-8-19 1454 Siskiyou Abbott s Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  HSC89807  Carex laeviculmis D. K. Imper 1987-7-22 Siskiyou 8 mi. E of Somes Bar, near Jawbone Camp 1372 Comment
  UC1584279  Carex lenticularis J. Kierstead 1990-5-8 90 -59 Siskiyou Lower Falls of the McCloud River McCloud R.D. 1828 Comment
  HSC60901  Carex lenticularis var. impressa Al Hobart Siskiyou Black Butte Comment
  CAS-BOT-BC28431  Carex lenticularis var. lipocarpa John Thomas Howell 1937-7-23 13339 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  HSC29668  Carex leptopoda Frederick W. Oettinger, R. F. Thorne 1969-8-6 1245 Siskiyou Marble Mtn. Wilderness Area, High Lake Basins, Pine Lake Basin 1829 Comment
  CHSC61905  Carex limosa L. P. Janeway 1993-8-30 4565 Siskiyou West side of Cedar Lake; head of South Fork Sacramento River. 1741 Comment
  HSC38959  Carex luzulina J. O. Sawyer 1969-8-5 1759 Siskiyou W of Little Duck Lake 2073 Comment
  SEINET7566381 Image available Carex luzulina L. P. Janeway 2006-7-4 8783 Siskiyou Scott Mountain 7.5' Quad. Klamath Ranges, Scott Mountains, Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  SEINET10711162  Carex luzulina A. Arthur Heller 1920-7-6 Heller 13410 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy, in open places in the forest. The original growth of Yellow Pine has been replaced by White Fir, Douglas Fir and Incense Cedar. Shrubs are Willow, Corylus and Ceanothus. 1158 Comment
  UCD140536  Carex luzulina J. M. Tucker 1950-7-23 1944 Siskiyou Panther Meadows, Mount Shasta. 2407 Comment
  UC1147817  Carex luzulina var. ablata John Thomas Howell 1937-7-23 13332 Siskiyou near Big Flat (South Fork of Salmon River) 1524 Comment
  RSA237350  Carex mariposana Frederick W. Oettinger 1968-9-8 733 Siskiyou Southeast of Tom s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2149 Comment
  CHSC96015  Carex multicaulis L. P. Janeway 2006-7-4 8800 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  UC195507  Carex multicaulis Geo. D. Butler 1910-5-5 1290 Siskiyou Humbug Mountain Comment
  HSC85797  Carex multicostata L. P. Janeway 1983-9-22 689 Siskiyou Ridge NW of Poker Flat (the Siskiyou crest) 1585 Comment
  CHSC98338  Carex nebrascensis Thomas W. Nelson; Jane P. Nelson 1982-7-30 7321 Siskiyou North Coast Ranges. Along Forest Service road 41N08 to Kangaroo Lake at bridge over Rock Fence Creek. 1584 Comment
  CAS-BOT-BC119678  Carex nervina William Bridge Cooke; V. G. Cooke 1976-10-23 53980 Siskiyou In wet meadow, Wagon Camp, Mt. Shasta. 1737 Comment
  HSC29635  Carex nigricans Frederick W. Oettinger 1969-9-2 1600 Siskiyou Marble Mtn. Wilderness Area, N side of English Peak 2165 Comment
  HSC96571  Carex nigricans Gordon Leppig, J. Kalt 1996-7-9 389 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  UC144464  Carex nudata A. A. Heller 1905-6-1 7921 Siskiyou Between Dunsmuir and upper Soda Spring Comment
  SEINET12774821  Carex nudata P. E. Hyatt 2002-8-6 11144 Siskiyou Fr. Goff Recreation Area at T47N R12W S32's south edge at S5 of T46N R12W. Along Klamath River. Comment
  JEPS74521  Carex pachycarpa W. J. Ferlatte 1966-6-22 115 Siskiyou Josephine Lake Basin 1676 Comment
  UC822439  Carex pachystachya Louis C. Wheeler 1934-8-2 3014 Siskiyou head Jaynes Canyon; Siskiyou Mts. 2042 Comment
  JEPS107832  Carex praegracilis Lowell Ahart, John Dittes 2005-6-10 12083 Siskiyou West edge of a water ditch, pipe discharge, pasture, about 90 yards east of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
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Mar 10 2008
  SEINET7572494 Image available Carex preslii Ray Tallent 1987-8-16 940 Siskiyou Mt. Shasta area, Panther Meadows Trailhead area. 2220 Comment
  UC1265433  Carex preslii Frederick W. Oettinger 1969-8-13 1357 Siskiyou on trail from Diamond Lake to Crapo View Gap Salmon Mountains, Marble Mountain Wilderness Area (the high lake basins in the vicinity of English Peak) 2438 Comment
  CAS-BOT-BC118607  Carex raynoldsii A. A. Heller 1922-7-15 13701 Siskiyou In the meadow at Medicine Lake 2133 Comment
  SD61024  Carex raynoldsii Darley F. Howe 1964-8-4 Siskiyou Modoc National Forest; Medicine Lake; meadow. 2012 Comment
  HSC37155  Carex rossii J. O. Sawyer 1969-6-12 886 Siskiyou Above Sugar Creek, NW facing slope 1619 Comment
  CAS-BOT-BC28345  Carex scopulorum var. bracteosa John Thomas Howell 1939-8-7 15127 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  UC1265468  Carex scopulorum var. bracteosa Frederick W. Oettinger 1969-9-4 1649 Siskiyou Tobacco Lake, lower wet meadow Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  UCD63042  Carex scopulorum var. bracteosa Daniel Sanchez-Mata; Tomas Santamaria 2006-7-26 s.n. Siskiyou Weed. Rail Creek Road from Gazelle-Callahan Road. Kangaroo Lake. Kangaroo Lake Botanical Area. The Fen Trail. Scott Mountains, Klamath National Forest. 1850 Comment
  SEINET7575018 Image available Carex scopulorum var. bracteosa Frederick W. Oettinger 1969-9-4 1649 Siskiyou Tobacco Lake. The High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1890 Comment
  HSC43472  Carex serratodens Maralyn O'Meara 1974-5-25 384 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  CAS-BOT-BC117244  Carex spectabilis W. R. Dudley 1899-8-24 s.n. Siskiyou Meadow-Craggy Peak. Comment
  CAS-BOT-BC117257  Carex spectabilis John Thomas Howell 1939-8-9 15232 Siskiyou Ridge South of Marble Valley, Marble Mts. Comment
  HSC30523  Carex spectabilis Frederick W. Oettinger 1968-9-6 732 Siskiyou Marble Mtn. Wilderness Area, on trail SE of Tom's Lake 2012 Comment
  RSA238962  Carex spectabilis Frederick W. Oettinger 1968-9-5 709 Siskiyou Water at south end of Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UC822440  Carex subfusca John Thomas Howell 1939-8-3 15004 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  CAS-BOT-BC115846  Carex subfusca William Bridge Cooke 1938-6-24 11082 Siskiyou Mt. Shasta spring 1524 Comment
  SEINET7577153 Image available Carex subfusca Frederick W. Oettinger 1969-8-10 1464 Siskiyou Plants of the Salmon Mountains. Between King David Peak and Abbotts Basin. 1859 Comment
  UC835109  Carex utriculata John Thomas Howell 1939-8-9 15197 Siskiyou Sky High Valley Marble Mts. 1828 Comment
  UC637053  Carex vesicaria Edward Lee 1934-8-13 1075 Siskiyou Happy Camp, Waldo (Oregon) Road Watershed of West Branch of Indian Creek 1371 Comment
  UCD21465  Carex vesicaria Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1205 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Along shores of Gray Rock Lake. 1800 Comment
  RSA238961  Carex vesicaria Frederick W. Oettinger 1969-8-22 1506 Siskiyou Along N shoreline of Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1822 Comment
  SEINET7579992 Image available Carex vesicaria Veva Stansell 1995-10-1 3013 Siskiyou Whiskey Lake, south of Takilma, OR. 1463 Comment
  CAS-BOT-BC114817  Carex whitneyi J. Major 1961-7-14 645 Siskiyou In Mud Creek, Mount Shasta. 1706 Comment
  SD76146  Cassiope mertensiana Helen V. Witham 1969-10-6 550 Siskiyou On steep west slope, above Kangaroo Lake. Comment
  UC1980222  Cassiope mertensiana R. F. Thorne, Frederick W. Oettinger 1969-8-4 63371 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vincinity of English Peak. Comment
  HSC59937  Cassiope mertensiana subsp. ciliolata D. L. Goforth 1979-7-19 246 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin, 0.3 mi. NW of upper lake 2134 Comment
  RSA211455  Cassiope mertensiana subsp. ciliolata William J. Ferlatte 1966-8-5 351 Siskiyou Caribou Mtn., Open granite slopes and ridges. Near summit. 2470 Comment
  RSA238347  Cassiope mertensiana subsp. ciliolata Frederick W. Oettinger 1969-7-28 1083 Siskiyou Inlet stream to Little Hancock Lake as it passes through a wet boreal meadow just s. of the lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  CHSC36159  Castilleja angustifolia K. Bridwell 1978-7-6 168 Siskiyou N slope of Sheep Mountain, ca. 10 mi e of Macdoel. MDM. 1645 Comment
  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
  HSC19025  Castilleja applegatei subsp. pinetorum J. O. Sawyer 1969-7-25 1521 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  JEPS9789  Castilleja applegatei subsp. pinetorum Geo. D. Butler 1909-6-23 931 Siskiyou Goosenest Mountain Comment
  UC726532  Castilleja applegatei subsp. pinetorum A. A. Heller 1916-6-20 12398 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 Comment
  CAS-BOT-BC241144  Castilleja applegatei subsp. pinetorum Ella Dales Cantelow 1936-5-20 1422 Siskiyou N. slope Scott Mt. 1219 Comment
  CAS-BOT-BC94465  Castilleja arachnoidea R. C. Wenk 2005-7-19 324 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
  JEPS57209  Castilleja arachnoidea L. R. Heckard 1967-8-14 1730 Siskiyou above Horse Camp (sw flank of Mt. Shasta); Mt. Shasta 2560 Comment
  POM255866  Castilleja arachnoidea Marion Ownbey, Ruth Ownbey 1938-7-20 1761 Siskiyou Near Dry Lake Lookout, summit of the Siskiyou Mountains. Comment
  SEINET10549343  Castilleja arachnoidea F. Marion Ownbey 1938-7-20 Ownbey 1761 Siskiyou Open gravelly slopes, near dry lake lookout, summit of the siskiyou mtns. Comment
  RSA215641  Castilleja arachnoidea subsp. schizotricha Gilbert Muth 1969-8-6 1209 Siskiyou Boulder Peak. 2530 Comment
  JEPS3182  Castilleja attenuata Geo. D. Butler 1909-4-16 634 Siskiyou near Yreka Comment
  CHSC86634  Castilleja lacera Jenny Marr 1993-7-1 17 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC253619  Castilleja miniata Doris K. Kildale 1928-8-18 6480 Siskiyou head of north fork of Salmon River at Finley's Upper Camp 1524 Comment
  HSC67717  Castilleja miniata John Palmer 1980-7-24 617 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  JEPS84008  Castilleja miniata L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6310 Siskiyou from Takilma to Happy Camp (Indian Creek Road, just s of state line) Comment
  UC164077  Castilleja miniata Geo. D. Butler 1910-7-9 1692 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC253620  Castilleja miniata Doris K. Kildale 1929-8-24 9027 Siskiyou White's Meadow, trail to Preston Peak 2895 Comment
  CAS-BOT-BC254023  Castilleja miniata J. M. Tucker 1963-8-17 3740 Siskiyou Edge of Red Rock Creek, in vicinity of cabin; lower Red Rock Valley, Marble Mountain Wilderness Area 1493 Comment
  POM15492  Castilleja miniata Geo. D. Butler 1909-6-23 929 Siskiyou Goosenest. Comment
  JEPS77504  Castilleja minor subsp. minor L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-18 4872 Siskiyou 9 air mi e Montague (w of Table Rock); w of Table Rock 853 Comment
  JEPS3176  Castilleja pruinosa Geo. D. Butler 1908-6-29 425 Siskiyou Cherry Creek Comment
  SBBG26802  Castilleja pruinosa L. Constance, R. C. Rollins 1942-5-14 2935 Siskiyou Shasta River 6 mi N of Yreka 762 Comment
  HSC63289  Castilleja schizotricha M. A. Baker 1979-7-30 1074 Siskiyou Summit of Marble Gap 2300 Comment
  JEPS93846  Castilleja tenuis Vernon H. Oswald and Lowell Ahart 1998-6-11 9207 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on the s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  HSC92152  Ceanothus arcuatus Jennifer Whipple 1978-6-5 2350 Siskiyou Pass between Eddy Creek and Deadfall Creek drainages 2073 Comment
  CAS-BOT-BC48652  Ceanothus cordulatus L. E. Detling 1950-6-8 6588 Siskiyou Dunsmuir 792 Comment
  CAS-BOT-BC49187  Ceanothus cuneatus Geo. D. Butler 1910-5-2 1267 Siskiyou Yreka Comment
  CAS-BOT-BC49194  Ceanothus cuneatus Roxana S. Ferris; Laura Lorraine 1948-6-12 11812 Siskiyou At Mule Creek crossing of Scott Mountain Road 1524 Comment
  RSA399045  Ceanothus cuneatus Bonnie C. Templeton 1957-6-22 s.n. Siskiyou Along the Scott River, north of Callahan. Comment
  UC375369  Ceanothus cuneatus var. cuneatus Geo. D. Butler 1909-5-29 770 Siskiyou near Yreka Comment
  UCSB16461  Ceanothus cuneatus var. cuneatus Breedlove, Dennis 1962-6-10 Siskiyou Along Indian Creek Road, 15.6 miles northwest of Happy Camp; Siskiyou Mountains 975 Comment
  RSA1132  Ceanothus lemmonii B. D. Stark 1929-7-25 1393 Siskiyou 1 miles S of Dunsmuir. 671 Comment
  HSC67830  Ceanothus prostratus J. O. Sawyer, J. Cole 1980-7-22 3974 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  JEPS42257  Ceanothus prostratus Willis L. Jepson 1894-8-4 14022 Siskiyou Mt. Shasta Comment
  RSA399822  Ceanothus prostratus Bonnie C. Templeton 1964-6-9 10069 Siskiyou Slope of Mt. Shasta Comment
  UC164316  Ceanothus prostratus Geo. D. Butler 1910-6-4 1501 Siskiyou Quartz Valley Comment
  UCD123997  Ceanothus prostratus D. O. Burge 2009-5-13 1165 c Siskiyou Scott Mountains, The Eddys, Parks Creek watershed, west of Tamarack Flat, and south-east of Caldwell Lakes, roadside on FR 17, parking 11.4 road miles (18.3 km) south-west of Old Hwy 99 via Stewart Springs Road and FR 17, 17.2 km 188 deg. (True) SSW of Gazelle. 1950 Comment
  JEPS109713  Ceanothus pumilus Dean W. Taylor 2002-7-20 18269 Siskiyou The Eddys, Pacific Crest Trail ca. 0.5 mile North of Forest Road 17 2103 Comment
  SEINET3162954  Ceanothus sanguineus G. D. Butler 1910-6-17 1567 Siskiyou Humbug Mountain 2134 Comment
  POM85994  Ceanothus velutinus Geo. D. Butler 1910-6-5 1480 Siskiyou Shackleford Creek Comment
  CDA20008  Centaurea X moncktonii M. Bagley 2002-8-1 PDR P 087837 -B Siskiyou Northern California; vicinity of Mt Shasta. 0 Comment
  RSA190721  Centaurea maculosa T. C. Fuller 1967-8-15 16261 Siskiyou West side of Hwy. 97 to Weed, 3 miles south of Macdoel, Butte Valley Comment
  CAS-BOT-BC284488  Centaurea solstitialis Alice Eastwood 1912-7-25 1453 Siskiyou Pitt Comment
  CAS-BOT-BC489620  Centaurea solstitialis Steve Orloff 2011-9-1 SQK 472276 S1-D Siskiyou From a property along the Klamath River Comment
  HSC43134  Centaurea solstitialis Ken Stillman 1976-8-24 415 Siskiyou E and N slopes of Williams Point 366 Comment
  CAS-BOT-BC288795  Centromadia fitchii Louis C. Wheeler 1934-10-6 3309 Siskiyou Shasta Valley 2 miles SE of Yreka 853 Comment
  RSA381928  Cephalanthera austiniae M. B. Dunkle 1944-7-18 9140 Siskiyou Sterling Mountains, Siskiyou National Forest. Comment
  CAS-BOT-BC384868  Cerastium Gilbert Muth 1965-8-18 s.n. Siskiyou Trail behind Black Mountain Comment
  UCD20185  Cerastium dichotomum J. Di Tomaso 2002-5-17 s.n. Siskiyou 8 miles NE of Montague. On York Rd., 300 m east of intersection with Mulloy Rd. Comment
  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
  CAS-BOT-BC384987  Cerastium dichotomum T. C. Fuller 1962-5-18 8475 Siskiyou B. M. Long prop., Little Shasta Rd., 5 mi. e. of Montague Comment
  RSA157734  Cerastium dichotomum T. C. Fuller 1962-5-18 8746 Siskiyou B. M. Long prop., Little Shasta Rd., 5 miles E of Montague. Comment
  HSC68106  Cerastium fontanum subsp. vulgare J. P. Smith 1973-5-5 6499 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  UC637080  Ceratophyllum demersum Edward Lee 1934-8-12 1240 Siskiyou s side of the Klamath River near the mouth of Walker Creek ((e end of Seiad Valley)); s side of Klamath River near mouth Walker Creek 426 Comment
  SEINET6331969  Cercocarpus betuloides G. D. Butler 1910-5-30 1435 Siskiyou Humbug Creek Comment
  UC718144  Cercocarpus betuloides var. betuloides Carl B. Wolf 1934-7-5 5975 Siskiyou 4 mi from Oak Knoll Ranger Station (on Klamath River, on road to Dry Lake Lookout); Siskiyou Mountains, Klamath River 1066 Comment
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Mar 29 2012
  UC1034587  Cercocarpus betuloides var. macrourus Milo S. Baker and Douglas Barbe 1955-7-1 81 Siskiyou 2.1 mi n of Callahan (at the mouth of Limekiln Gulch); Klamath Mountains, Limekiln Gulch 975 Comment
  HSC18571  Cercocarpus ledifolius R. C. Wunner 1965-7-15 393 Siskiyou Lava Beds NM, Indian Wells near N Prefab 1433 Comment
  CAS-BOT-BC148522  Cercocarpus ledifolius var. ledifolius Wm. Bridge Cooke 1938-8-23 11574 Siskiyou Upper end of Shastina Lava Park 2438 Comment
  CAS-BOT-BC276768  Chaenactis douglasii var. douglasii Alice Eastwood 1912-8-30 s.n. Siskiyou Mount Eddy Comment
  JEPS16946  Chaenactis douglasii var. douglasii Peter H. Raven 1956-9-4 10393 Siskiyou pass just s of Mount Eddy 2438 Comment
  UC1286473  Chaenactis douglasii var. douglasii W. B. and V. G. Cooke 1965-7-12 35192 Siskiyou along Bolam Road Mt. Shasta 1706 Comment
  UC30998  Chaenactis douglasii var. douglasii T. H. Gilbert June 15 1899-July 15, 1899 Siskiyou Scott River Valley Comment
  UC642590  Chaenactis douglasii var. douglasii Palmer Stockwell 1939-8-10 13872 Siskiyou between Squaw Valley Creek and Mud Creek Canyon 2895 Comment
  HSC81580  Chaenactis douglasii var. douglasii Thomas W. Nelson, Jane P. Nelson 1980-7-17 6090 Siskiyou Along FS Rd. 17, 0.5 mi. N of summit at county line 2073 Comment
  UC34677 Image available Chaenactis suffrutescens J. G. Lemmon Siskiyou Head-waters Sacramento River Sacramento River; headwaters of the Sacramento River Comment
  UC584275  Chaenactis suffrutescens G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2439 Siskiyou about 2 mi w of the State Highway (along Pars's Creek); Par's Creek 1036 Comment
  CAS-BOT-BC85662  Chamaecyparis lawsoniana J. G. Lemmon s.n. Siskiyou Sacramento Comment
  HSC68455  Chamaecyparis lawsoniana Maralyn A. Renner 1980-7-4 1440 Siskiyou Clear Creek Trail, N of Trout Camp. 1037 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
  UCD126576  Chamaesaracha nana Jack Major 1961-7-14 637 Siskiyou along road to Panther Creek, Mount Shasta. 1800 Comment
  UC902143  Chamaesyce maculata Joseph P. Tracy 1949-9-13 18549 Siskiyou near forks Salmon (at mouth of Butter Creek) 274 Comment
  CAS-BOT-BC165980  Chamerion angustifolium Walter Knight; Irja Knight 1979-9-6 3435 Siskiyou Half way between Mt. Shasta City and Panther Meadow on Everett Memorial Highway. Mount Shasta Comment
  CAS-BOT-BC166092  Chamerion angustifolium subsp. circumvagum Laura M. Lathrop 1903-7-17 s.n. Siskiyou Sisson Comment
  UC618797  Chamerion angustifolium subsp. circumvagum W. Bridge Cooke 1938-7-22 11329 Siskiyou Sisson Southern Trail Mount Shasta Comment
  HSC27789  Cheilanthes gracillima J. P. Smith, J. O. Sawyer 1972-9-13 5784 Siskiyou 0.5 mi. W of Cook and Green Pass on rd. to Lily Pad Lake. Comment
  HSC373  Cheilanthes gracillima William J. Ferlatte 1966-6-22 117 Siskiyou Josephine Lake Basin 1677 Comment
  RSA331957  Cheilanthes gracillima Dave Kelly, Walter Wisura 1985-7-31 4079 Siskiyou Near Kangaroo Lake, Scott Mountains, on granite rocks near campgrounds Comment
  UC725674  Cheilanthes gracillima A. A. Heller 1916-7-20 12470 Siskiyou e side Mt Eddy (near Wagon Creek) 1524 Comment
  CAS-BOT-BC68211  Cheilanthes gracillima Donald Branscomb 1958-7-1 s.n. Siskiyou Castle Lake 1706 Comment
  RSA577148  Cheilanthes gracillima L. C. Wheeler 1934-8-2 3021 Siskiyou Head Jaynes Canyon, Siskiyou Mountains 2073 Comment
  JEPS85081  Chenopodium W. B. and V. G. Cooke with Ted Graves 1988-8-29 64227 Siskiyou along Andesite Rd (Shasta NF FS-11) Mount Shasta, Shasta National Forest (n side of mt) 1463 Comment
  RSA238391  Chenopodium Frederick W. Oettinger 1969-8-24 1533 Siskiyou English Lake; The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  UC1368678  Chenopodium atrovirens W. B. and V. G. Cooke 1968-7-1 39230 Siskiyou along Andesite Rd Mt. Shasta (n side of mt.) 1524 Comment
  RSA624458  Chenopodium atrovirens L. C. Wheeler 1935-7-26 3709 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  UC163671  Chenopodium botrys Geo. D. Butler 1908-7-6 82 Siskiyou along creek near Yreka Comment
  RSA0110269  Chenopodium incognitum L. C. Wheeler 1935-7-26 3709 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  CAS-BOT-BC451433  Chimaphila menziesii John Thomas Howell 1937-7-22 13295 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC19316  Chimaphila menziesii J. O. Sawyer 1968-9-28 740 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  CAS-BOT-BC452277  Chimaphila umbellata Ira L. Wiggins 1955-7-21 13434 Siskiyou Rush Creek Trail, 2 mi. above Mt. View Ranch 1097 Comment
  HSC19318  Chimaphila umbellata J. O. Sawyer 1968-7-10 474 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  JEPS25844  Chimaphila umbellata Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7469 Siskiyou ca. 2 mi. n.e. Twin Valley, Siskiyou Mt. (along jeep-road to Twin Valley from Poker Flat, ca. 13 mi. n.w. of Happy Camp) 1584 Comment
  SD53384  Chimaphila umbellata Darley F. Howe 1962-8-4 3386 Siskiyou Baldy Mt., damp hillside Comment
  UC1483532  Chimaphila umbellata John Palmer 1980-8-12 687 Siskiyou s.e. Wards Gap; Klamath Nat'l Forest, Condry Mt. Quad. 1188 Comment
  UC876121  Chimaphila umbellata Alice Eastwood 1912-7-15 1113 Siskiyou McCloud Comment
  CAS-BOT-BC452257  Chimaphila umbellata W. R. Dudley 1901-8-24 s.n. Siskiyou Salmon Mountains, near camp Comment
  RSA68953  Chimaphila umbellata subsp. occidentalis A. E. Culbertson 1943-7-17 5 Siskiyou Near Forest Service Camp Grd. about a mile downstream from Castle Lake on road to town of Shasta; on north slope of a 6600' eastern spur of Trinity Mts. and 1500 above Sacramento R., within 9 air miles of its headwaters to the west., Mt. Shasta 13 miles to NE. 1524 Comment
  UC1183411  Chorispora tenella David E. Bayer 1960-5-27 Siskiyou 1 mi s of Macdoel (and running around Meiss Lake, Butte Valley, 1/4 mi s of road, in (west) ca. 1 mi on road originating at U.S. Hwy 97); Butte Valley 1280 Comment
  UCD58333  Chorispora tenella Steve Orloff 2007-5-22 3 Siskiyou From Gazelle in Shasta Valley. Just off of Old 99 and Scarface Road. Comment
  CAS-BOT-BC36386  Chrysolepis chrysophylla Wm. Bridge Cooke 1938-9-2 11588 Siskiyou Sisson Southern Trail 1371 Comment
  RSA697617  Chrysolepis chrysophylla Leo Miller 1938-1 s.n. Siskiyou Siskiyou Mtns. 915 Comment
  UC164392  Chrysolepis chrysophylla var. chrysophylla Geo. D. Butler 1908-7-12 1074 Siskiyou hill w of Yreka Comment
  CAS-BOT-BC36234  Chrysolepis sempervirens Alice Eastwood 1922-10-18 11542 Siskiyou Shasta Springs Comment
  RSA476648  Chrysolepis sempervirens E. E. Stanford 1930-6-15 1580 Siskiyou 1 mile north of Dunsmuir. Comment
  UC5441  Chrysolepis sempervirens Milo S. Baker 1893-8-8 Siskiyou Medicine Lake 1981 Comment
  JEPS83581  Chrysothamnus humilis Dean Wm. Taylor, Glenn L. Clifton, and R. Doug Stone 1987-8-7 9253 Siskiyou on crater floor at n interior Lava Beds National Monument, Caldwell Butte 1499 Comment
  JEPS22375  Chrysothamnus viscidiflorus subsp. viscidiflorus W. L. Jepson 1940-6-23 20021 Siskiyou near Andesite Station (along Weed-Klamath Falls highway) 975 Comment
  OBI49190  Chrysothamnus viscidiflorus subsp. viscidiflorus Lewis S. Rose 1941-8-28 41427 Siskiyou Dorris 1292 Comment
  SEINET3134428  Chrysothamnus viscidiflorus subsp. viscidiflorus L. S. Rose 1941-8-28 41427 Siskiyou Dorris 1292 Comment
  UC165412  Chrysothamnus viscidiflorus subsp. viscidiflorus Geo. D. Butler 1910-7-20 1731 Siskiyou Goose Nest foothills Goose Nest 1524 Comment
  UC165375  Cicuta douglasii Geo. D. Butler 1910-7-15 1788 Siskiyou Oro Fino Creek Comment
  POM82888  Cicuta douglasii Geo. D. Butler 1918-7-15 1788 Siskiyou [Unspecified] Comment
  HSC30594  Cinna latifolia Frederick W. Oettinger 1969-8-25 1546 Siskiyou Marble Mountain Wilderness, moist meadow W of Arrow Peak, English Peak region 2012 Comment
  RSA239134  Cinna latifolia Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1165 Siskiyou Between Base Camp and Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  UC1265356  Cinna latifolia F. W. Oettinger 1968-9-2 663 Siskiyou sw Upper English Lake (Salmon Mountains); , Upper English Lake 1874 Comment
  HSC179  Circaea alpina subsp. pacifica William J. Ferlatte 1967-8-19 1034 Siskiyou S Fork of Salmon River, between campground and Carter's 1524 Comment
  POM89964  Circaea alpina subsp. pacifica L. R. Abrams 1922-6-29 8469 Siskiyou Mill Creek Comment
  UCR51764  Cirsium andersonii Thomas W. Nelson, J. Nelson, J. P. Smith 1978-7-24 4545 Siskiyou Along State Route 3, just north of Scott Mtn summit. 1585 Comment
  CAS-BOT-BC285347  Cirsium andersonii E. K. Balls 1949-7-8 13920 Siskiyou Road to Callahan from Scott Mt., southern Siskiyou County 1524 Comment
  RSA0070845  Cirsium andersonii Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4545 Siskiyou Along State Route 3, just N of Scott Mountain Summit. 1585 Comment
  CAS-BOT-BC32848  Cirsium botrys L. E. Smith 1913-6-25 397 Siskiyou Montague Comment
  RSA0070591  Cirsium ciliolatum D. H. Shaw, T. C. Fuller 1978-7-5 20246 Siskiyou North side of York Road, 0.3 km east of Bryant-Willow Creek Road, 15 km north of Montague. 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
  OBI54106  Cirsium douglasii var. breweri David J. Keil, Kathleen Keil 1992-7-21 23524 Siskiyou Klamath NF SE of Callahan. forest Rd 40N08, 0.5 mi W of Scott Mtn Rd (hwy 3) Comment
  CAS-BOT-BC288015  Cirsium occidentale var. candidissimum L. R. Abrams 1922-8-6 9901 Siskiyou Klamath River 6 mi. below Hornbrook Comment
  CAS-BOT-BC288769  Cirsium remotifolium John Thomas Howell 1937-7-22 13311 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC288774  Cirsium remotifolium C. G. Pringle 1882-8-28 s.n. Siskiyou Unspecified Comment
  RSA0070872  Cirsium remotifolium David J. Keil, Kathleen Keil, Mary Faustini 1990-7-28 s.n. Siskiyou Klamath National Forest. Marble Mountain Wilderness, Rye Creek Trail. Comment
  CDA7429  Cirsium vulgare T. C. Fuller 1962-8-3 9501 Siskiyou Siskiyou Mountains: 200 yards up Raggedass Gulch, east of Beaver Creek, 5 miles north of the Klamath River. 0 Comment
  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
  RSA25612  Clarkia gracilis subsp. gracilis Carl B. Wolf 1941-7-26 11077 Siskiyou SW end Little Shasta Valley, 12 mi NE of Weed on US Hwy 97 at jct with rd to Montague. 915 Comment
  UC54446  Clarkia lassenensis H. M. Hall and E. B. Babcock June, 1903 4174 Siskiyou Fall River Springs Sierra Nevada Mountains 1066 Comment
  POM259226  Clarkia rhomboidea W. Bridge Cooke 1940-7-12 15339 Siskiyou Mount Shasta: Near MacBride Springs along the Memorial Highway. 1524 Comment
  JEPS127640  Claytonia Jurriaan M. de Vos 2014-7-10 318 Siskiyou Klamath NF.Ca. 2.0 miles ENE along Forest Road 1055 from Cook and Green Pass. Comment
  SEINET10674957 Image available Claytonia bulbifera Edward L. Greene 1876-8-22 Greene 1008 Siskiyou On Scott Mountain. Comment
  SEINET9115673  Claytonia exigua subsp. exigua K. L. Chambers 1986-3-24 5237 Siskiyou Hwy 3, W of Eureka on way to Fort Jones, 7.2 miles W of I-5, W side of summit. Comment
  HSC92978  Claytonia lanceolata Jennifer Whipple 1976-4-17 1030 Siskiyou Ridge between Durney Lake and Little Crater Lake 2378 Comment
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Sep 23 2019
  CAS-BOT-BC451756  Claytonia obovata A. M. Vollmer; L. Beane 1951-5-31 29 Siskiyou Scott Mountain Comment
  CAS-BOT-BC439625  Claytonia parviflora subsp. parviflora Carl B. Wolf 1927-8-26 1090 Siskiyou On the Klamath River, 14 mi. above Happy Camp Comment
  RSA469310  Claytonia rubra M. B. Dunkle 1944-7-15 906 Siskiyou Siskiyou Nart l Forest. 1768 Comment
  RSA47998  Claytonia rubra Roxana S. Ferris 1948-6-12 11807 Siskiyou At Mule Creek crossing of Scott Mountain Road. 1524 Comment
  RSA601898  Claytonia rubra L. C. Wheeler 1935-5-5 3465 Siskiyou Greenhorn Creek. Siskiyou Mtns. (Mt Diablo Mer.) 854 Comment
  CDA23962  Claytonia rubra subsp. depressa Vernon H. Oswald & Lowell Ahart 1998-6-11 9219 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97, ca. 5 miles north of Macdoel. Comment
  UC1408942  Claytonia rubra subsp. rubra Frederick W. Oettinger 1969-8-6 1253 Siskiyou Pine Lake basin Salmon Mountains, Marble Mountain Wilderness Area, English P (vicinity of English Peak, w Siskiyou County) 1828 Comment
  CAS-BOT-BC443814  Claytonia rubra subsp. rubra L. E. Smith 1913-5-12 207 Siskiyou Castle Creek Comment
  UC144225  Cleome platycarpa A. A. Heller 1905-6-9 8010 Siskiyou Montague Comment
  HSC60116  Clinopodium douglasii M. A. Baker 1977-5-14 275 Siskiyou Karok garden in Happy Camp Comment
  CHSC33848  Clintonia uniflora J. D. Prouty 1981-8-5 1284 Siskiyou Adjacent to Whiskey Creek and road 39N51.2. 1219 Comment
  CAS-BOT-BC500964  Clintonia uniflora Doris K. Kildale 1928-7-4 5460 Siskiyou 3 miles west of summit of divide between Sawyers Bar & Etna Comment
  RSA237926  Clintonia uniflora Frederick W. Oettinger 1967-7-26 213 Siskiyou 300 yards up a tributary of upper English Lake on moist bank. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1784 Comment
  UCD13225  Clintonia uniflora Clyde Byfield 1973-7-2 S 219 Siskiyou Klamath National Forest, beside Kidder Creek, 0.5 mile west of Hayes Cabin on U.S.F.S. trail 11W23, 41 deg 30 min N, 123 deg 07 min. 1524 Comment
  HSC99300  Collinsia linearis G. L. Clifton, Walter Overton 1979-5-28 3402 Siskiyou Near Klamath River, close to the town of Seiad Valley 427 Comment
  JEPS59014  Collinsia linearis Dorothy Parker 1960-5-23 750 Siskiyou below Sawyers Bar; Salmon River Comment
  POM258051  Collinsia linearis C. Leo Hitchcock, J. S. Martin 1939-7-7 5232 Siskiyou Road to Bollan Lake 6 mi. from junction with Takilma-Happy Camp Road. 1768 Comment
  SEINET10931314  Collinsia linearis Mary Susan Taylor 1980-7-8 Taylor 3115 Siskiyou T39N R5W se sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on ridge S of Castle Lake, above Hearts Lake. 2017 Comment
  CDA17134  Collinsia parviflora G. F. Hrusa 2001-6-6 15848 Siskiyou Siskiyou Mountains; Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. 1424 Comment
  HSC68488  Collinsia rattanii Maralyn A. Renner 1980-6-9 843 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  JEPS19689  Collinsia rattanii Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-26 5961 Siskiyou immed. s Mt. Eddy (along very poor mtn rd to Gumboot Lake, canyon of South Fork Sacramento River, at its source); South Fork Sacramento River 1432 Comment
  JEPS7273  Collinsia rattanii Geo. D. Butler 1909-4-25 609 Siskiyou Quartz Valley Comment
  JEPS84181  Collinsia rattanii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6295 Siskiyou Indian Creek Road from Takilma to Happy Camp (just s of state line) 1420 Comment
  SBBG18759  Collinsia rattanii C. B. Hardham 1961-7-2 8056 Siskiyou Salmon Mtn Summit 1828 Comment
  SEINET13406273  Collinsia rattanii G. D. Butler 1910-5-1 1262 Siskiyou Humbug Mountain. 1219 Comment
  UC164318  Collinsia sparsiflora var. collina George D. Butler 1909-4-4 574 Siskiyou Between Yreka and Montague Yreka; Shasta Valley Comment
  HSC220  Collomia grandiflora William J. Ferlatte 1966-8-3 287 Siskiyou Josephine Lake basin. 1677 Comment
  UC1408779  Collomia grandiflora Frederick W. Oettinger 1969-7-27 1078 Siskiyou meadows nw Little English Lake (High Lake Basins in vicinity of English Peak, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  HSC27468  Collomia grandiflora J. P. Smith, J. O. Sawyer 1972-5-28 5361 Siskiyou 1 mi. S of Etna on Hwy. 3 915 Comment
  JEPS71017  Collomia grandiflora Ruby Van Deventer 1938-7-31 192 Siskiyou on Del Norte-Siskiyou boundary Summit Siskiyou Mts. 1158 Comment
  UC164012  Collomia heterophylla Geo. D. Butler 1910-6-4 1496 Siskiyou Shackleford Creek Comment
  SBBG5813  Collomia tinctoria H. and M. Dearing 1939-7-1 3791 Siskiyou Salmon Mtn 1828 Comment
  UC1409299  Collomia tinctoria Frederick W. Oettinger 1969-8-12 1349 Siskiyou side of English Lake Trail above Willow Spring (high lake basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area Comment
  HSC90215  Collomia tinctoria Michael P. Murray Jul 1991 3 Siskiyou Marble Mtn. Wilderness Area, E facing slope of Elk Valley 1890 Comment
  HSC30432  Collomia tracyi Frederick W. Oettinger 1969-7-11 982 Siskiyou Marble Mtn. Wilderness Area, ridge of Little Medicine Mtn. N of Hancock Lake 2043 Comment
  UC6123  Comandra umbellata subsp. californica Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Upper Sacramento Region, Shasta Region Upper Sacramento Region; , Shasta Region Comment
  CAS-BOT-BC376184  Conium maculatum Andrew Townesmith; Karen M. Meyer 2007-8-3 899 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along Forest Service road 46N50, 4.4 miles NW of intersection with state route 96. Collected on uphill side of road (just above House Creek Botanical Area) 593 Comment
  UC224205  Convolvulus arvensis H. E. Brown Jun 11 1897-Jun 16 1897 409 Siskiyou Mt. Shasta; n side 1524 Comment
  UC618655  Conyza canadensis unknown 1938-7-29 11383 Siskiyou Howard Mount Shasta, Howard 1219 Comment
  CDA21755  Conyza canadensis T. C. Fuller 1962-8-3 9499 Siskiyou Siskiyou Mountains; 200 yards up Raggedass Gulch, east of Beaver Creek, 5 miles north of Klamath River. 0 Comment
  HSC497  Corallorhiza maculata William J. Ferlatte 1966-8-5 324 Siskiyou N side of Caribou Mtn. 1982 Comment
  UC375214  Corallorhiza mertensiana Geo. D. Butler 1908-7-20 347 Siskiyou Humbug Mountain Comment
  RSA381992  Corallorhiza mertensiana M. B. Dunkle 1944-7-8 9084 Siskiyou Deer Creek, Siskiyou National Forest Comment
  RSA758225  Corallorhiza mertensiana Robert F. Thorne 1969-8-2 63321 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  SEINET3864280  Cordylanthus tenuis Barbara L. Wilson, R. E. Brainerd 2010-8-3 16187 Siskiyou South of Black Butte, east of the dump, on Shasta-Trinity National Forest property.; 0 Comment
  CHSC105588  Cordylanthus tenuis subsp. pallescens Barbara L. Wilson; Richard E. Brainerd 2010-8-9 16290 b Siskiyou Town of Weed; above the asphalt playground at the elementary school, below Hillside Drive, at the same elevation as the parking lot and east of it (study site 28). Label says Lat. and Long. as indicated +/- 59 feet. 1107 Comment
  HSC101188  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson, Richard E. Brainerd 2010-8-9 16282 Siskiyou Shasta-Trinity National Forest; road A10 between town of Mount Shasta and Panther Meadow, on the mountain. 1345 Comment
  UC196059  Cordylanthus tenuis subsp. tenuis A. A. Heller 1914-8-28 11744 Siskiyou e side Mt. Eddy 1371 Comment
  UC595074  Cordylanthus tenuis subsp. viscidus David D. Keck 1938-8-8 4863 Siskiyou 3 mi se Scott Mountain Lodge (ridge between Mill and Mule Creeks); Scott Mts. 1340 Comment
  HSC36710  Cornus canadensis Brent Whitely 1975-7-8 148 Siskiyou 762 Comment
  UC1034650  Cornus glabrata Milo S. Baker 1955-6-27 13090 Siskiyou along rd. from Gazelle to <Calahan> Comment
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Oct 9 2014
  CAS-BOT-BC212068  Cornus nuttallii Geo. D. Butler 1910-4-22 1246 Siskiyou Kidder Creek Comment
  RSA397465  Cornus nuttallii Christopher Davidson 1975-6-5 2648 Siskiyou 2.0 mi E of town of Mt. Shasta on Mt. Shasta Uplands Rd. 1189 Comment
  UC1584283  Cornus nuttallii Julie Kierstead 1990-4-18 90 -13 Siskiyou F.S. Rd. #39N55 along Dead Horse Canyon; Shasta-Trinity Nat'l Forest, McCloud R.D., Dead Horse Canyon 1432 Comment
  UC1585391  Cornus nuttallii R. Raiche, K. Zadnik, and H. Forbes 1989-10-3 Siskiyou n. of Seiad Valley (at Cook & Green Pass) 1425 Comment
  UCD117162  Cornus nuttallii Beecher Crampton 1956-8-21 3849 Siskiyou Siskiyou County, canyon of the Sacramento River just above North Fork Junction with the Middle and South Fork. 1066 Comment
  CAS-BOT-BC210405  Cornus sericea Alice Eastwood 1912-9-3 2082 Siskiyou Sisson Comment
  CAS-BOT-BC210424  Cornus sericea John Thomas Howell 1939-8-3 14978 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CDA4036  Coronilla varia G. D. Barbe, T. C. Fuller 1972-6-13 943 Siskiyou Siskiyou Avenue exit from I-5 north of Dunsmuir; driveway to Dunsmuir Elementary School. 0 Comment
  JEPS124699 Image available Corylus cornuta subsp. californica Joe Ammirati 1964-7-1 78 Siskiyou Fowler's Camp ground below lower falls on the McCloud River. Comment
  POM106650  Corylus cornuta var. californica Geo. D. Butler 1908-7-12 1073 Siskiyou Humbug Mountain. Comment
  SEINET10543254  Crataegus douglasii Louis C. Wheeler 1934-6-27 Wheeler 2804 Siskiyou Along seasonal creek in flat valley, Cottonwood Creek. Siskiyou Mts. 2900 feet. S15, T48N, R7W, Mt. Diablo Mer. Comment
  HSC19044  Crepis acuminata J. O. Sawyer 1969-6-12 918 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  JEPS125929  Crepis monticola D. W. Taylor 1996-6-28 15756 Siskiyou Antelope Mountain, ca 8 air miles S of Yreka Comment
  UC922491  Crepis occidentalis Annie M. Alexander and Louise Kellogg 1949-7-22 5850 Siskiyou Paradise Lake Marble Mountains 2072 Comment
  UC581287  Crepis occidentalis subsp. pumila G. L. Stebbins Jr. and E. B. Babcock 1936-6-11 1939 Siskiyou old river terrace about 8 mi s Yreka 1180 Comment
  CAS-BOT-BC376506  Crepis pleurocarpa John Thomas Howell 1937-7-21 13192 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC376576  Crepis pleurocarpa A. A. Heller 1915-7-16 12104 Siskiyou North side of Mt. Eddy 1371 Comment
  RSA591655  Crypsis vaginiflora L. C. Wheeler 1934-10-14 3322 Siskiyou Siskiyou Mts.; Shasta River 2 mi. below Yreka Creek 671 Comment
  UCD77578  Cryptantha affinis Robert E. Preston 2002-6-20 1825 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope 1911 Comment
  HSC29335  Cryptantha affinis Frederick W. Oettinger 1969-9-1 1581 Siskiyou Marble Mtn. Wilderness Area, inlet area to Dry Lake 2027 Comment
  HSC3592  Cryptantha ambigua R. C. Wunner 1965-7-15 395 Siskiyou California Lava Beds National Monument; Indian Well Area 1433 Comment
  CHSC91345  Cryptantha flaccida Lowell Ahart; John Dittes 2005-6-9 12022 Siskiyou Pasture field, on the east side of a poor rock fence, about 350 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  UC164153  Cryptantha flaccida Geo. D. Butler 1909-5-10 734 Siskiyou near Yreka Comment
  RSA695874  Cryptantha intermedia D. W. Taylor 1995-6-4 14968 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest. (ca. 10 miles north of Weed). 1159 Comment
  JEPS101588  Cryptantha milobakeri Dean W. Taylor 1999-6-9 17235 Siskiyou Agate Flat, 0.3 mi S of Oregon Sate Line 1005 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
  RSA256609  Cryptantha milobakeri J. P. Smith, Advanced plant taxonomy class-1975 1974-5-25 7393 Siskiyou Along road 8, 0.9 miles from its jct with State Route 3. 976 Comment
  HSC99247  Cryptantha subretusa Jennifer Whipple 1976-9-2 1761 Siskiyou S face of Mt. Eddy draining into the N Fork of the Sacramento River 2500 Comment
  HSC376  Cryptogramma acrostichoides William J. Ferlatte 1967-6-30 600 Siskiyou Josephine Lake basin 1677 Comment
  HSC65356  Cryptogramma acrostichoides Rich White 1978-7-3 212 Siskiyou Saddle in Spur Ridge between Dillon Trail and 5759 1662 Comment
  HSC69121  Cryptogramma acrostichoides Maralyn A. Renner 1980-8-7 2387 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  UC42458  Cryptogramma cascadensis Marshall A. Howe 1894-8-4 Siskiyou Mt Shasta 2590 Comment
  CAS-BOT-BC80558  Cupressus bakeri Carl B. Wolf 1930-10-19 1746 Siskiyou Modoc Lava Beds, 1 mile east of Timbered Butte on old road from C.W. Hill Farm at Dana to Little Hot Springs Valley 1219 Comment
  POM203790  Cupressus bakeri J. T. Howell 1934-7-4 12386 Siskiyou Between Timbered Crater and Little Hot Springs Valley Comment
  UC1321452  Cupressus bakeri C. O. Stone 1964-6-6 COS 286 Siskiyou recent lava flow n of Timbered Crater (on old jeep trail to Gassaway Reservoir); Fall River Mills Quad. 1097 Comment
  RSA22761  Cupressus bakeri O. V. Matthews 1939-7-18 38 Siskiyou Northeast Goose Nest. East of Yreka 1524 Comment
  UC1733972  Cupressus bakeri subsp. matthewsii Frank Gould, Kay H. Beach 1940-5-15 1247 Siskiyou Meadows and Goosenest Mountain. 1828 Comment
  NY1293  Cupressus bakeri subsp. matthewsii C. B. Wolf 1934-10-9 6169 Siskiyou Siskiyou Mts., above W fork of Seiad Creek, 0.75 mi above forks of creek. 1158.2 Comment
  SEINET10531077  Cupressus bakeri subsp. matthewsii Matthews 1939-7-11 MATTHEWS 32 Siskiyou Salad Grove. 855 Comment
  UC879584  Cuscuta suksdorfii Louis C. Wheeler 1934-7-31 3011 Siskiyou 1 mi e Dry Lake Lookout; Siskiyou Mts. 1828 Comment
  RSA70993  Cuscuta suksdorfii var. subpedicellata L. C. Wheeler 1934-7-31 3011 Siskiyou 1 mi. E Dry Lake Lookout. 1829 Comment
  UCD77582  Cycladenia humilis Robert E. Preston 2001-7-21 1746 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W sw 1/4 of ne 1/4 Section 22 2194 Comment
  CDA38287  Cymopterus terebinthinus var. californicus Vernon H. Oswald & Lowell Ahart 1998-6-11 9173 .1 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
  HSC103019  Cynosurus echinatus J. P. Smith 2014-6-6 13876 Siskiyou Along State Route 96 at the Portuguese Creek Access to the Klamath River 416 Comment
  UC1924324  Cyperus squarrosus P. M. Peterson, J. M. Saarela & C. J. Sears 2006-8-8 19737 Siskiyou 3 mi SW of Scott Bar on Hwy 7F-01 towards Kelsey Creek, along ScottRver 526 Comment
  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
  HSC19012  Cystopteris fragilis J. O. Sawyer 1969-8-2 1706 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  HSC90222  Cystopteris fragilis Michael P. Murray 1991-6-30 2 Siskiyou Marble Mtn. Wilderness Area, ridge between Kings Castle and jumpoff point 2134 Comment
  RSA184775  Dactylis glomerata Gilbert Muth 1966-8-1 489 Siskiyou Marble Valley Horse Pasture, Marble Mountains. 1793 Comment
  HSC30644  Danthonia californica Frederick W. Oettinger, R. F. Thorne 1969-8-4 1153 Siskiyou Marble Mtn. Wilderness Area, English Peak, English Lake Basin, Sundew Bog. 1829 Comment
  HSC58836  Danthonia californica Butler 1971-7-21 186 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction. 1433 Comment
  UCD60865  Danthonia californica var. americana A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3439 Siskiyou Near Happy Camp. Above Klamath River. Comment
  HSC69057  Danthonia intermedia subsp. intermedia Maralyn A. Renner 1980-8-6 2318 Siskiyou Cracker Meadow 1555 Comment
  CAS-BOT-BC192354  Danthonia unispicata Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  JEPS128472  Danthonia unispicata Julie Kierstead Nelson with Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -030 Siskiyou Lower Parks Creek watershed, E Klamath Range; Forest Road 42N19. 4 miles northwest of Stewart Springs. Comment
  CAS-BOT-BC76246  Darlingtonia californica Mrs. John Massin 1894-8-6 s.n. Siskiyou Upper Soda Springs. Comment
  CHSC29775  Darlingtonia californica M. S. Taylor; W. Roderick, B. Williams 1980-5-4 2786 Siskiyou Bog around Cedar Lake, peat mounds at lake edge an ... Field redacted by CHSC, contact the data manager for more information 1737 Comment
  UC246708  Darlingtonia californica H. E. Brown Jun 11 1897-Jun 16 1897 389 Siskiyou north side Mt. Shasta 1524 Comment
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  UC54472  Darlingtonia californica H. M. Hall and E. B. Babcock June, 1903 4042 Siskiyou near Sisson; Sacramento River, 18th Crossing 1036 Comment
  UC70416  Darlingtonia californica Milo S. Baker 1888-1 Siskiyou Castle Lake Comment
  HSC64831  Darmera peltata J. P. Smith 1973-5-5 6387 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  UC144313  Darmera peltata A. A. Heller 1905-6-1 7922 Siskiyou between Dunsmuir and Upper Soda Spring Comment
  RSA240079  Darmera peltata Frederick W. Oettinger 1969-8-29 1561 Siskiyou Main N Fork Trail betw 4th and 5th river crossing. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. Comment
  CHSC1571  Dasiphora fruticosa V. Holt 1932-7-10 Siskiyou Mt. Eddy. 2286 Comment
  UC166662  Datisca glomerata Geo. D. Butler 1910-7-19 1723 Siskiyou Little Shasta Comment
  RSA276116  Datisca glomerata Frederick W. Oettinger 1969-7-6 933 Siskiyou Up the N fork of the Salmon River 0.2 miles from the bridge in Forks of Salmon. On S side of R nearly directly across from metal erosion. Supporter along Fk of Salmon-Sawyers's Bar rd. Comment
  UC164456  Datura stramonium Geo. D. Butler 1910-7-1 1620 Siskiyou Yreka Comment
  HSC19077  Delphinium andersonii J. O. Sawyer 1969-6-2 1017 Siskiyou Summit above Albert Lake 2256 Comment
  JEPS43412  Delphinium decorum subsp. tracyi W. L. Jepson 1907-7-5 2840 Siskiyou Marble Mt. 2133 Comment
  UC1037373  Delphinium decorum subsp. tracyi Douglas Barbe 1955-7-6 134 Siskiyou ne shore Klamath Mountains, Salmon Mountains, Taylor Lake 1950 Comment
  CAS-BOT-BC8752  Delphinium glaucum W. R. Dudley 1901-8-26 s.n. Siskiyou Jackson's Lake Comment
  UC165948  Delphinium nudicaule Geo. D. Butler 1910-5-7 1299 Siskiyou dry hills near Yreka Comment
  UC467761  Delphinium nudicaule Lewis C. Rosenbaum 1916-6-6 Siskiyou Shasta Springs Comment
  UC618686  Delphinium nuttallianum W. Bridge Cooke 1938-7-1 11156 Siskiyou near Wagon Camp (lower end of the Wagon Camp meadow along stream and road side); Mt. Shasta Comment
  CAS-BOT-BC116160  Delphinium nuttallianum L. E. Smith 1913-4-29 S. N. Siskiyou Dunsmuir Comment
  HSC36879  Delphinium nuttallianum J. P. Smith 1974-5-26 7545 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC69102  Deschampsia cespitosa Maralyn A. Renner 1980-8-4 2228 Siskiyou Flint Valley 1390 Comment
  UCD37081  Deschampsia cespitosa Beecher Crampton 1956-8-21 3820 Siskiyou Siskiyou County, 15 miles southwest of city of Mount Shasta, slope above Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  UCD61120  Deschampsia cespitosa A. H. Murphy 1954-8-11 54 -E Siskiyou Round Meadow. 1676 Comment
  UC535951  Deschampsia cespitosa subsp. cespitosa Elmer I. Applegate 1923-8-19 3895 Siskiyou Medicine Lake 1981 Comment
  CAS-BOT-BC192460  Deschampsia cespitosa subsp. cespitosa Saxton; Canfield 1922-8-3 80 Siskiyou Klamath National Forest. Thompson Creek Comment
  CHSC503  Descurainia incana V. Holt 1943-8-7 Siskiyou Marble mountains. Comment
  RSA47783  Descurainia incisa subsp. filipes Roxana S. Ferris, Laura Lorraine 1948-6-12 1854 Siskiyou 1.5 miles below summit of Gazelle Mtn Grade, E side. 1418 Comment
  CHSC91393  Descurainia pinnata subsp. halictorum Lowell Ahart; John Dittes 2005-6-10 12071 Siskiyou Rocky hillside north of the Shasta River, south of a poor dirt road, about 50 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  UC165738  Descurainia pinnata subsp. halictorum Geo. D. Butler 1909-5-15 727 Siskiyou Klamath River Comment
  CHSC48327  Descurainia sophia Vernon Oswald 1986-5-29 2067 Siskiyou Lower Klamath National Wildlife Refuge, on the tour route ca. 1.5 mi s of Hwy 161. On levees. 1245 Comment
  RSA297053  Dicentra formosa subsp. formosa John F. Emmel 1974-7-20 520 Siskiyou Meadow 0.6 air mile SE of Dry Lake Lookout, Siskiyou Mountains. 1890 Comment
  UC1409326  Dichelostemma ida-maia Frederick W. Oettinger 1969-7-31 1119 Siskiyou just above Willow Springs (on trail between Abbott's Cabin and English Lake); Salmon Mountains, Marble Mountain Wilderness Area 1691 Comment
  RSA237876  Dichelostemma ida-maia Frederick W. Oettinger 1969-8-3 1145 Siskiyou Off the trail and uphill from the stock gate on the English Lake - Abbotts Upper cabin trail. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC36822  Dichelostemma multiflorum J. P. Smith 1974-5-25 7428 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  CAS-BOT-BC500996  Dichelostemma multiflorum Roxana S. Ferris; Laura Lorraine 1948-6-12 11784 Siskiyou Outskirts of Etna Comment
  CAS-BOT-BC291013  Dieteria canescens var. shastensis Alice Eastwood 1912-9-1 2070 Siskiyou Mount Shasta Comment
  CAS-BOT-BC291017  Dieteria canescens var. shastensis R. H. Bohmannson 1926-7-1 s.n. Siskiyou Mt. Shasta Comment
  HSC72375  Dieteria canescens var. shastensis J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8973 Siskiyou Hwy. 3, 4 mi. N of Siskyou-Trinity Co. line Comment
  JEPS94734  Dieteria canescens var. shastensis Vernon H. Oswald and Lowell Ahart 1998-9-8 9611 Siskiyou junction of USFS 3 and 24 2.5 mi w-sw of Hambone Butte (30 air mi n of Burney); junction of USFS 3 and 24 1310 Comment
  CAS-BOT-BC290999  Dieteria canescens var. shastensis Wm. Bridge Cooke 1938-8-5 11439 Siskiyou Mount Shasta. MacBridge Spring Road Comment
  CDA15523  Digitalis purpurea G. F. Hrusa 1998-7-5 14691 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. at mile 5.x. Sheet 1 of 2 Comment
  SBBG16031  Diplacus jepsonii D. Myrick 1961-6-22 318 Siskiyou St Hwy 89 near McCloud 914 Comment
  UC30076  Disporum hookeri Harley P. Chandler June, 1901 1553 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  RSA520565  Disporum hookeri var. hookeri Michael A. Hanson 1990-5-22 82 Siskiyou On Indian Creek Road, 14.3 miles (23 km) NW of the intersection of Indian Creek Road and Hwy 96 (Happy Camp). Comment
  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
  HSC61775  Dodecatheon jeffreyi Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  JEPS82701  Dodecatheon jeffreyi Wayne Roderick 1984-6-7 Siskiyou n side Mt. Eddy Mt. Eddy, n side 1676 Comment
  JEPS84210  Dodecatheon jeffreyi L. R. Heckard with J. Hickman et al. 1986-7-17 6464 Siskiyou ca 5 mi n of the town Seiad Valley (s of Lily Pad Lake, trail up Kangaroo Peak); s of Lily Pad Lake, n of Seiad Valley 2011 Comment
  RSA238719  Dodecatheon jeffreyi Frederick W. Oettinger 1968-9-5 715 Siskiyou In wet humus 'muck' along shorline near inlet on SE side on Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC41765  Draba howellii M. B. Dunkle 1945-7-8 9206 Siskiyou Klamath Forest. Marble Mountains. Black Marble Mountain. 2133 Comment
  JEPS53534  Draba nemorosa Geo. D. Butler 1909-4-4 575 Siskiyou near Yreka; near Yreka Comment
  CAS-BOT-BC41319  Draba pterosperma G. J. Muth 1969-8-6 1191 Siskiyou Boulder Peak. 2529 Comment
  HSC77118  Draba pterosperma K. T. Stillman 1976-6-25 62 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  CAS-BOT-BC41410  Draba verna John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53385 Siskiyou Yreka. 792 Comment
  UC1114140  Draba verna Gene B. Newcomb and H. G. Baker Mar 28 1959-Mar 29 1959 231 Siskiyou on the road to Callahan 7.8 mi from Gazelle (at the point where the road first crosses Willow Creek); Willow Creek, 7.8 mi from Gazelle 1066 Comment
  CAS-BOT-BC159437  Drymocallis glandulosa var. glandulosa Lewis S. Rose 1945-6-18 45059 Siskiyou Horse Creek & Klamath River 502 Comment
  UC165264  Drymocallis glandulosa var. glandulosa Geo. D. Butler 1909-5-31 779 Siskiyou Humbug Creek Comment
  HSC76989  Drymocallis lactea var. lactea K. T. Stillman 1976-6-25 67 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  HSC90742  Drymocallis lactea var. lactea Jennifer Whipple 1976-7-8 1372 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC158423  Drymocallis rhomboidea Doris K. Kildale 1929-7-20 8716 Siskiyou Raspberry Lake, South Fork of Indian Creek 1828 Comment
  CAS-BOT-BC158427  Drymocallis rhomboidea Elmer I. Applegate 1935-6-8 9427 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  UC1187074  Drymocallis rhomboidea David D. Keck 1940-6-13 5178 Siskiyou 9 mi s Macdoel (on U.S. 97 between Dorris and Weed); s of Macdoel, btw Dorris and Weed 1463 Comment
  RSA365423  Eleocharis acicularis var. acicularis L. C. Wheeler 1934-6-29 2827 Siskiyou Soda Creek. Sterling Mountain. Siskiyou Mountains. 1280 Comment
  UC184357  Eleocharis bella Geo. D. Butler 1910-7-12 1743 Siskiyou Shackleford Creek 1219 Comment
  CHSC111065  Eleocharis decumbens Barbara L. Wilson 2011-8-23 16886 Siskiyou Toad Lake 2117 Comment
  UC184026  Eleocharis obtusa Geo. D. Butler 1908-8-28 7 Siskiyou Oro Fino Comment
  RSA610534  Eleocharis palustris L. C. Wheeler 1935-7-13 3664 Siskiyou Ager. 793 Comment
  CAS-BOT-BC451558  Elodea canadensis Louis C. Wheeler 1934-6-2 2624 Siskiyou Klamath National Forest, Cherry Flat 518 Comment
  SEINET10929845  Elymus elymoides George D. Butler 1910-5-4 Butler 1278 Siskiyou Dry hill near Yreka. Comment
  HSC30696  Elymus elymoides var. elymoides Frederick W. Oettinger 1968-8-8 455 Siskiyou Marble Mtn. Wilderness Area, Crapo Meadow 2165 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
  HSC58856  Elymus lanceolatus subsp. lanceolatus Marvin Butler 1971-1 265 Siskiyou Near Youngs Valley, close to the town of Cave Junction. 1403 Comment
  CAS-BOT-BC213811  Elymus repens Peter H. Raven 1956-9-5 10446 Siskiyou North Fork of Sacramento River 2194 Comment
  HSC68507  Elymus spicatus Maralyn A. Renner 1980-6-10 878 Siskiyou Ridge 1 mi. S of Greenhorn Rd. and 1 mi. E of Mill Creek 1341 Comment
  UCD62708  Elymus trachycaulus A. H. Murphy 1956-8-14 56 C Siskiyou Little Mill Creek Meadow, Klamath N. F. 2011 Comment
  HSC19499  Epilobium ciliatum subsp. ciliatum J. O. Sawyer 1969-7-23 1165 Siskiyou Near Horse Range Creek 1341 Comment
  RSA424894B  Epilobium ciliatum subsp. ciliatum S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  POM32618  Epilobium ciliatum subsp. glandulosum E. B. Copeland 1903-8-13 3723 Siskiyou Sisson. 1067 Comment
  HSC67678  Epilobium glaberrimum John S. Palmer 1980-7-24 599 Siskiyou Elk Hole 1503 Comment
  UC922287  Epilobium hallianum Annie M. Alexander and Louise Kellogg 1949-7-24 5868 Siskiyou near Paradise Lake; Marble Mountains 1920 Comment
  UC873286  Epilobium lactiflorum Alice Eastwood 1912-9-1 2058 Siskiyou Mount Shasta Comment
  RSA183681  Epilobium latifolium Gilbert Muth 1965-8-12 210 Siskiyou 2/3 up meadow on back of Black Mountain, Marble Mountains 2134 Comment
  HSC60819  Epilobium minutum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  POM213942A  Epilobium minutum G. C. Kimber 1934-6-9 43 Siskiyou Ney Creek 1/8 mi above junction with Sacramento River. 732 Comment
  UC1408901  Epilobium minutum Frederick W. Oettinger 1969-7-11 981 Siskiyou n Hancock Lake (sw-running ridge of mt., w Siskiyou Co., High Lake Basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, Little Me 2042 Comment
  SBBG21871  Epilobium oregonense D. Myrick 1964-7-25 967 Siskiyou Panther Meadows below Ski Bowl Lodge, Mt Shasta 2346 Comment
  POM230320  Epilobium siskiyouense J. T. Howell 1937-7-29 s.n. Siskiyou Scott Mountain between Trinity and Siskiyou counties. Comment
  SEINET208833 Image available Equisetum arvense E. L. Smith, R Maguire 1967-5-22 Siskiyou City of Mt Shasta 1086 Comment
  UC1190385  Equisetum hyemale subsp. affine Ira L. Wiggins 1955-7-23 13474 Siskiyou banks of China Creek China Creek 1097 Comment
  HSC60047  Equisetum laevigatum M. A. Baker 1978-5-20 576 Siskiyou 3 km N of Somes Bar Comment
  UC197191  Eragrostis pilosa var. pilosa Geo. D. Butler 1910-8-28 1857 Siskiyou Oro Fino Comment
  UC163822  Eremocarpus setiger Geo. D. Butler 1910-7-28 1794 Siskiyou dry land near Yreka Comment
  HSC22141  Eremogone congesta J. O. Sawyer 1969-7-7 1074 Siskiyou S facing ridge above Big Duck Lake 2226 Comment
  CAS-BOT-BC168849  Eremogone congesta var. congesta Edna Kelsey 1961-8-1 s.n. Siskiyou Shackleford Trail below Bull Meadow, Marble Mts. Comment
  CAS-BOT-BC174232  Eremogone congesta var. congesta Louis C. Wheeler 1934-8-2 3023 Siskiyou Klamath National Forest. Jaynes Canyon 2072 Comment
  HSC16948  Eriastrum sparsiflorum R. C. Wunner 1965-7-13 388 Siskiyou Lava Bed National Monument, along fire rd. around Crescent Butte-Lone Pine Flat Rd. 1479 Comment
  HSC4759  Ericameria bloomeri William J. Ferlatte 1966-9-18 486 Siskiyou Big Flat; wooded area near public camp 1524 Comment
  RSA14486  Ericameria bloomeri Elmer I. Applegate 1923-8-20 3899 Siskiyou Medicine Lake 1982 Comment
  UCR45295  Ericameria bloomeri R. D. Goeden 1986-9-11 s.n. Siskiyou S of McCloud, along road in front of town cemetery 945 Comment
  CAS-BOT-BC287492  Ericameria greenei Louis C. Wheeler 1934-8-24 3220 Siskiyou Trapper Creek, Siskiyou Mts 1859 Comment
  CAS-BOT-BC287502  Ericameria greenei E. B. Copeland 1903-9-8 3868 Siskiyou Mt Eddy 1767 Comment
  UC830817  Ericameria greenei Alice Eastwood 1912-8-29 2040 Siskiyou Mount Eddy Comment
  CHSC36118  Erigeron K. Bridwell 1978-7-6 169 Siskiyou N slope of Sheep Mountain, ca. 10 mi e of Macdoel. 1645 Comment
  CAS-BOT-BC293505  Erigeron aliceae Doris K. Kildale 1928-8-20 6616 Siskiyou Hancock Lookout, on trail to Marble Mt., B.M. 2151 Comment
  JEPS81787  Erigeron aliceae Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6894 Siskiyou Poker Flat Siskiyou Mountains 1536 Comment
  UC895582  Erigeron aliceae John Thomas Howell 14879 Siskiyou Marble Mts., Spirit Lake Marble Mts., Spirit Lake Comment
  CAS-BOT-BC293495  Erigeron aliceae Louis C. Wheeler 1934-7-3 2855 Siskiyou Klamath National Forest. Soda Creek 1676 Comment
  HSC62630  Erigeron aliceae Ruby Van Deventer 1960-7-7 Siskiyou Youngs Valley Comment
  HSC76764  Erigeron aliceae K. T. Stillman 1976-9-9 495 Siskiyou Ridge above Paradise Lake, Marble Mountain Wilderness Area Comment
  UC581713  Erigeron aliceae Joseph P. Tracy 1935-8-4 14523 Siskiyou head of Plummer Creek (e of Mary Blaine Mt., at point called Snow Prarie); , Snow Prarie 1828 Comment
  OBI55428  Erigeron canadensis David J. Keil 1992-7-20 23487 Siskiyou Klamath Natl forest, W of Fort Jones. Along forest rd 44N45, 2 mi W of Scott river Rd 1000 Comment
  HSC58865  Erigeron cervinus Marvin Butler 1971-7-13 120 Siskiyou Near Copper Creek, close to town of Cave Junction 1464 Comment
  CAS-BOT-BC295365  Erigeron compositus R. C. Wenk 2005-7-15 211 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass, going N along ridge towards Preacher's Peak 2133 Comment
  HSC5512  Erigeron divergens M. S. Baker 1898-7-12 806 Siskiyou The Berch Fall River Valley Comment
  POM253147  Erigeron elegantulus A. A. Heller 1938-7-13 s.n. Siskiyou Border of meadows just south of Bray. 1402 Comment
  CAS-BOT-BC300476  Erigeron filifolius Alice Eastwood 1912-7-19 1223 Siskiyou Mount Shasta Comment
  JEPS47722  Erigeron filifolius W. B. and V. G. Cooke 1966-7-16 37217 Siskiyou above Bolam Station (shoulder of old logging road); Mt. Shasta 1676 Comment
  CAS-BOT-BC295399  Erigeron inornatus John Thomas Howell 1934-7-4 12401 Siskiyou Se. corner of Siskiyou Co. Comment
  RSA238772  Erigeron klamathensis Frederick W. Oettinger 1968-8-19 588 Siskiyou Along trail near gap in ridge between Toms and Hancock Lake basins. High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area 2146 Comment
  HSC65019  Erigeron petrophilus var. viscidulus D. L. Goforth 1979-7-19 260 Siskiyou Trinity Alps Wilderness Area, Caribou Lakes Basin, 0.3 mi. NW of upper lake 2134 Comment
  POM52134  Erigeron petrophilus var. viscidulus C. F. Baker 1903-8-18 887 Siskiyou Mt. Eddy 2287 Comment
  RSA259554  Erigeron petrophilus var. viscidulus J. P. Smith, J. O. Sawyer 1973-8-14 7305 Siskiyou On trail from Campbell Lake to Cliff Lake. 1828 Comment
  CAS-BOT-BC255434  Eriogonum alpinum Peter H. Raven 1956-9-4 10405 Siskiyou South side of Mt. Eddy 2682 Comment
  JEPS57057  Eriogonum compositum var. compositum W. L. Jepson 1937-7-30 18545 Siskiyou Poker Flat, headwaters of Indian Creek Siskiyou Mts., Indian Creek Comment
  CAS-BOT-BC248843  Eriogonum compositum var. compositum Annie M. Alexander; Louise Kellogg 1949-7-29 5901 Siskiyou Trail to Hidden L. by way of Campbell L. trail, above Sky High Valley, Sky High Valley, Marble Mountains 1767 Comment
  HSC30509  Eriogonum compositum var. compositum Frederick W. Oettinger 1969-8-6 1254 Siskiyou Marble Mtns. Wilderness Area, New York Flumes between Pine Lake and Tom's Lake 1860 Comment
  RSA789998  Eriogonum congdonii Rebecca Wenk 2008-7-25 950 Siskiyou Road to Kangaroo Lake, 4.3 miles south of turnoff from Gazelle-Callahan Rd. 1616 Comment
  CAS-BOT-BC246493  Eriogonum diclinum James L. Reveal; Mark L. Reveal 1975-8-15 3956 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Dry Lake Lookout Road (Forest Service Road 40S01), 0.5 mile west of Dry Lake Lookout near the Buckthorn Trail 2042 Comment
  SDSU6526  Eriogonum elatum D. F. Howe 1965-8-8 4124 Siskiyou South side of Little Grayback, Klamath National Forest. 1524 Comment
  RSA0004994  Eriogonum elatum var. villosum Geo. D. Butler 1910-6-26 1606 Siskiyou Dry land near Yreka. Comment
  CHSC1325  Eriogonum lobbii A. Anderson 1962-9-15 Siskiyou Salmon Summit. 2164 Comment
  HSC17399  Eriogonum luteolum var. luteolum C. B. Wolf 1927-8-26 1010 Siskiyou Klamath River, 5 mi. below Hornbrook Comment
  CAS-BOT-BC263657  Eriogonum luteolum var. luteolum Doris K. Kildale 1925-9-6 1281 Siskiyou Somes Bar, junction of Salmon and Klamath Rivers Comment
  CAS-BOT-BC94467  Eriogonum marifolium R. C. Wenk 2005-7-19 328 Siskiyou Along Pacific Crest Trail, near top of pass below Mt. Eddy 2438 Comment
  UC1601649  Eriogonum marifolium Dr. E. B. Copeland 1903-8-15 3916 Siskiyou Mt. Shasta 2346 Comment
  CAS-BOT-BC263175  Eriogonum marifolium var. cupulatum W. B. Cooke; V. G. Cooke 1963-7-11 34289 Siskiyou Old Wagon Camp road. Wagon Camp area, Mt. Shasta Comment
  CAS-BOT-BC261617  Eriogonum nudum var. nudum H. A. Thomas; J. H. Thomas 1954-7-22 4447 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Between Rush and Big Bend Creeks, 0.25 - 0.5 miles N of S Fork of Salmon River 975 Comment
  HSC19485  Eriogonum nudum var. nudum J. O. Sawyer 1969-7-2 1030 Siskiyou SW facing upper slope above Music Lake 2378 Comment
  CAS-BOT-BC272473  Eriogonum nudum var. pubiflorum Elmer I. Applegate 1935-6-7 9411 Siskiyou Indian Well, Lava Beds National Monument Comment
  CAS-BOT-BC272462  Eriogonum nudum var. pubiflorum Elmer I. Applegate 1923-9-6 3943 Siskiyou Klamath River, about 20 miles below mouth of Shasta River Comment
  CAS-BOT-BC272477  Eriogonum nudum var. pubiflorum Elmer I. Applegate 1935-8-4 10024 Siskiyou Near Mammoth Crater, Medicine Lake road, Lava Beds National Monument Comment
  JEPS56534  Eriogonum pyrolifolium Willis L. Jepson 1897-8-4 14777 Siskiyou spring near Horse Camp (near snow line); Mt. Shasta Comment
  JEPS105024  Eriogonum siskiyouense Dean W. Taylor 1996-7-25 15835 Siskiyou Scott Mtns., on watershed divide between Crater Creek drainage and Mountain House Creek drainage (about 15 air miles west of Weed); Klamath National Forest 1645 Comment
  JEPS117877  Eriogonum siskiyouense unknown 1976-9-23 Siskiyou Along the trail up the SW side of Mt. Eddy 2438 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
  CAS-BOT-BC262724  Eriogonum sphaerocephalum var. halimioides Geo. D. Butler 1910-5-27 1428 Siskiyou Near Yreka Comment
  CAS-BOT-BC262730  Eriogonum sphaerocephalum var. halimioides L. E. Smith 1918-4-20 632 Siskiyou Yreka Comment
  CAS-BOT-BC262755  Eriogonum strictum var. anserinum Gilbert J. Muth 1969-8-7 1263 Siskiyou Boulder Peak Ridge Comment
  HSC43455  Eriogonum strictum var. proliferum Jennifer Whipple 1977-8-4 2151 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2439 Comment
  UC609362  Eriogonum strictum var. proliferum Eleanor Burks Hart 1938-8-18 930 Siskiyou Boulder Peak 2535 Comment
  CAS-BOT-BC94549  Eriogonum umbellatum R. C. Wenk 2006-9-2 545 Siskiyou trail to Caribou Lakes from Big Flat Meadow. Dry granite talus area by side of trail, above Big Conrad Gulch 1950 Comment
  HSC66355  Eriogonum umbellatum Maralyn A. Renner 1980-7-24 2022 Siskiyou Lily Pad Lake 1768 Comment
  CAS-BOT-BC267965  Eriogonum umbellatum var. argus A. A. Heller 1914-8-28 11729 Siskiyou East side of Mt. Eddy 1676 Comment
  CAS-BOT-BC267981  Eriogonum umbellatum var. argus A. A. Heller 1914-8-28 11729 Siskiyou East side of Mt. Eddy 1676 Comment
  JEPS40862  Eriogonum umbellatum var. dumosum Paul C. Hutchison 1962-8-3 944 Siskiyou just east, between Grasshopper Flat and Little Medicine Lake Paint Pot Crater 1783 Comment
  HSC34660  Eriogonum umbellatum var. humistratum Thomas W. Nelson, J. O. Sawyer 1974-10-29 1744 Siskiyou Cirque of Little Duck Lake, rim of lake Comment
  HSC43429  Eriogonum umbellatum var. humistratum Jennifer Whipple 1976-9-3 1774 Siskiyou E facing slopes near Little Crater Lake 2195 Comment
  UC2028222  Eriogonum umbellatum var. humistratum Barbara Ertter 1990-7-14 9327 Siskiyou Wagon Creek on E side of Mt. Eddy, ca 4 air miles W of Mt. Shasta City Comment
  CAS-BOT-BC435531  Eriogonum umbellatum var. lautum James L. Reveal 2001-7-19 8348 Siskiyou Scott Valley, along South Kidder Creek Road, 0.5mi WSW of Ca. Hwy 3, about 6.1 air miles SW of Fort Jones and 5.7 air mi N of Etna 868 Comment
  HSC71083  Eriogonum umbellatum var. polyanthum M. A. Baker 1980-6-20 2207 Siskiyou Near Bald Mtn. 1036 Comment
  CAS-BOT-BC265203  Eriogonum umbellatum var. speciosum Dorothy Parker 1948-8-2 161 Siskiyou Along Etna Creek, 1-1 1/2 mi. from Etna, Scott Valley 896 Comment
  CAS-BOT-BC262181  Eriogonum umbellatum var. versicolor J. Sawyer; J. Cole 1980-7-20 3793 Siskiyou East side of Grouse Hill Comment
  JEPS56139  Eriogonum vimineum W. L. Jepson 1940-6-23 19987 Siskiyou e Grenada and Mayten (east side of Little Shasta Valley); Little Shasta Valley 883 Comment
  UC164458  Eriogonum vimineum Geo. D. Butler 1910-7-31 1806 Siskiyou Comment
  CHSC86658  Eriophyllum lanatum Jenny Marr 1993-7-1 41 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  SBBG8171  Eriophyllum lanatum H. and M. Dearing 1939-7-1 3784 Siskiyou Salmon Mtn 1828 Comment
  SEINET10854116  Eriophyllum lanatum Katherine L. Morris, Melvin L. Conrad; David B. Dunn 1973-6-2 Morris 341 Siskiyou Found at the junction of Shasta and Klamath Rivers on Hwy. 263. Comment
  JEPS69766  Eriophyllum lanatum var. achilleoides W. B. and V. G. Cooke 1972-6-30 45420 Siskiyou Military Pass Road Mt. Shasta 1524 Comment
  UC134265  Eriophyllum lanatum var. achilleoides H. E. Brown Jun 1 1897-Jun 10 1897 336 Siskiyou near Sisson 1083 Comment
  CAS-BOT-BC301101  Eriophyllum lanatum var. achilleoides R. C. Barneby 1954-5-16 11506 Siskiyou Along Klamath R., 5 1/2 mi. upstream from Klamath River P. O. 548 Comment
  CAS-BOT-BC301112  Eriophyllum lanatum var. achilleoides Elmer I. Applegate 1935-6-10 9474 Siskiyou Thomas massacre area, Lava Beds National Monument Comment
  CAS-BOT-BC301137  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-7-6 E 121 Siskiyou 8 miles north of Bray Comment
  SFV5161  Eriophyllum lanatum var. achilleoides B. C. Templeton 1960-6-21 8528 Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  JEPS34485  Eriophyllum lanatum var. grandiflorum Willis L. Jepson Jul 24 1894-Aug 10 1894 14571 Siskiyou Shasta Springs Upper Sacramento region, Shasta Springs Comment
  UC507182  Eriophyllum lanatum var. grandiflorum Lincoln Constance 1928-6-1 Siskiyou s of Weed Comment
  CAS-BOT-BC301713  Eriophyllum lanatum var. lanceolatum Marion Ownbey; Fred G. Meyer 1940-7-4 2174 Siskiyou Siskiyou Mountains, north-west of Hornbrook Comment
  HSC68984  Eriophyllum lanatum var. lanceolatum Maralyn A. Renner 1980-7-24 2002 Siskiyou Lily Pad Lake 1768 Comment
  UCD132195  Eriophyllum lanatum var. lanceolatum J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3751 Siskiyou southwestern ridge of Black Marble Mountain, Marble Mountain Wilderness Area. 2133 Comment
  CAS-BOT-BC301717  Eriophyllum lanatum var. lanceolatum Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  POM358042  Eriophyllum lanatum var. lanceolatum B. C. Templeton 1960-6-21 s.n. Siskiyou Near the summit of Scott Mts., SE of Callahan Comment
  HSC8476  Erodium cicutarium R. C. Wunner 1965-6-7 114 Siskiyou Lava Beds National Monument, 0.2 mi. from Indian Well Camp Ground on route to Dragon Head Cave 1387 Comment
  UC1559628  Eryngium mathiasiae Beth Corbin 1989-8-8 529 Siskiyou ca. 15 air miles n. Fall River Mills (Adobe Flat); Lassen Nat'l Forest, Adobe Flat 1097 Comment
  RSA22176  Erysimum capitatum J. T. Howell 1937-7-29 13636 Siskiyou Scott Mountain between Trinity and Siskiyou counties Comment
  HSC195  Erysimum perenne William J. Ferlatte 1966-7-7 214 Siskiyou N side of Caribou Mtn. 1982 Comment
  HSC19561  Erysimum perenne J. O. Sawyer 1969-7-18 1156 Siskiyou E of Waterdog Lake 2012 Comment
  CHSC1792  Erythranthe primuloides N. Jaekal 1939-7-8 Siskiyou Panther Meadows, Mt. Shasta. 2316 Comment
  SEINET10924656 Image available Eschscholzia californica Edwin B. Copel 1903-7-2 Copeland 3532 Siskiyou Klamathon. On a dry hill. Comment
  UC922320  Eucephalus tomentellus Annie M. Alexander and Louise Kellogg 1949-7-23 5854 Siskiyou Sky High Valley Marble Mountains, Paradise Valley 1920 Comment
  CAS-BOT-BC202762  Euonymus occidentalis Ira L. Wiggins 1955-7-21 13438 Siskiyou Rush Creek Trail 2 mi. above Mt. View Ranch 1097 Comment
  UC163694  Euonymus occidentalis var. occidentalis Geo. D. Butler 1908-8-22 407 Siskiyou Russian Creek, Eldredge's Corral Comment
  CAS-BOT-BC310636  Eurybia radulina A. A. Heller 1915-8-24 12206 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC413903  Fallopia convolvulus Henry M. Pollard 1947-8-20 s.n. Siskiyou Spink's Ranch, Roger's Creek, nr. Somes Bar Comment
  HSC49215  Festuca californica J. O. Sawyer, K. T. Stillman Jul 1977 2795 Siskiyou E of the Little N Fork Trail 732 Comment
  HSC65365  Festuca californica J. P. Smith 1973-5-5 6514 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC278723  Festuca idahoensis K. T. Stillman 1976-7-21 274 Siskiyou Marble Mountain Wilderness Area Comment
  CAS-BOT-BC278738  Festuca idahoensis Louis C. Wheeler 1934-6-7 2658 Siskiyou North Hungry Creek, Siskiyou Mts. 1219 Comment
  HSC39878  Festuca idahoensis J. P. Smith, J. O. Sawyer 1972-6-30 5641 Siskiyou Junction of French Creek and Sugar Creek Rd., 1/2 mi. W of Parrott Mill Rd. 1250 Comment
  HSC43028  Festuca idahoensis J. O. Sawyer, K. T. Stillman 1976-7-2 2801 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  UCD66086  Festuca idahoensis B. A. Madson 1948-1 Siskiyou Mt. Hebron Pass. Comment
  CDA28213  Festuca idahoensis Vernon H. Oswald & Lowell Ahart 1998-6-11 9193 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
  HSC101839  Festuca microstachys J. P. Smith, J. O. Sawyer, R. J. Cole 2011-5-22 13174 Siskiyou Along road from Cecilville to Forks of Salmon 743 Comment
  HSC103043  Festuca microstachys J. P. Smith 2014-6-7 13901 Siskiyou Along Forest Service Road 40N08, just north of Big Carmen Lake 1699 Comment
  UC818049  Festuca occidentalis Alice Eastwood 1912-7-17 1098 Siskiyou McCloud Comment
  UCD66146  Festuca occidentalis R. Tofsrud 1949-8-3 Siskiyou Soap Creek Ridge, between Yreka and Fort Jones. Comment
  JEPS45829  Festuca roemeri Duncan Dunning 1922-6-6 Siskiyou nw of Fort Jones; Moffett Creek Comment
  UCD66263  Festuca roemeri R. Tofsrud 1949-8-3 Siskiyou Soap Creek Ridge, between Yreka and Fort Jones. Comment
  CAS-BOT-BC278642  Festuca subulata A. A. Beetle; G. L. Stebbins, Jr. 1942-6-1 3440 Siskiyou Banks of Klamath River near Happy Camp Comment
  UC1483518  Fragaria vesca John Palmer 1980-8-12 735 Siskiyou road to Bearground Spring (from Beaver Creek Road); Klamath National Forest, Condry Mtn. Quad. 1341 Comment
  HSC19400  Frangula californica J. O. Sawyer 1968-9-10 674 Siskiyou 1524 Comment
  CAS-BOT-BC53261  Frangula californica subsp. californica A. A. Heller 1915-8-26 12245 Siskiyou Wagon creek at the foot of Mt. Eddy 1127 Comment
  CAS-BOT-BC59982  Frangula purshiana C. Hart Merriam 1907-9-26 s.n. Siskiyou Shovel Creek, Klamath Hot Springs. Comment
  HSC100193  Frangula purshiana J. P. Smith, & J. O. Sawyer 2011-9-5 13416 Siskiyou Along Yreka-Walker Road (County Road 7J001). 953 Comment
  CHSC71323  Frangula rubra Vernon H. Oswald; Lowell Ahart 1998-6-11 9188 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
  UC1949127  Frasera albicaulis var. nitida Barbara Ertter 1990-7-14 9304 Siskiyou E side Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mi N of Morgan Meadows, steep E-facing serpentine hillside Comment
  CAS-BOT-BC223581  Fraxinus latifolia Carl B. Wolf 1940-11-8 9781 Siskiyou Along Klamath River, 3 1/2 mi. below mouth of Shasta River 609 Comment
  HSC19059  Fritillaria atropurpurea J. O. Sawyer 1969-7-16 1147 Siskiyou W of Waterdog Lake 2073 Comment
  CAS-BOT-BC502837  Fritillaria atropurpurea Milo S. Baker 1933-4-22 7425 Siskiyou Pacific Highway between Shasta and Shasta Springs Comment
  CDA39331  Fritillaria pudica D. H. Horn 1978-3-1 s.n. Siskiyou Shasta River Canyon, Yreka. 0 Comment
  CAS-BOT-BC504469  Fritillaria recurva Wm. F. Herrin 1919-6-16 s.n. Siskiyou Shasta Springs Comment
  HSC68357  Galium aparine J. P. Smith 1973-5-5 6503 Siskiyou Along Cook and Green Pass Rd. Comment
  UCR104584  Galium aparine J. A. Alexander, F. N. McBain, N. A. Alexander 1996-3-31 484 Siskiyou Along an old road on the north side of Pioneer Bridge, California Highway 263, Shasta River Canyon, Shasta River 1000 Comment
  HSC96831  Galium aparine S. Lyon 2006-6-3 3 Siskiyou E side of Eddy Gulch Rd., 3 mi. S of the intersection with Sawyers Bar Rd. 915 Comment
  UC139302  Galium bolanderi Dr. E. B. Copeland 1903-8-14 3779 Siskiyou Sisson Comment
  UC223987  Galium bolanderi Dr. Edward Palmer Jul 15 1892-Jul 27 1892 2498 Siskiyou Mount Shasta and vicinity Comment
  POM258014  Galium bolanderi C. Leo Hitchcock, J. S. Martin 1939-7-7 5298 Siskiyou Ca 15 miles N of Happy Camp on Happy Camp-Takilma Hwy. 915 Comment
  JEPS16371  Galium glabrescens Peter H. Raven 1956-9-4 10399 Siskiyou s side Mount Eddy 2560 Comment
  HSC81666  Galium glabrescens subsp. glabrescens Thomas W. Nelson, Jane P. Nelson 1980-7-17 6076 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  JEPS83625  Galium serpenticum subsp. scotticum Marla Knight 1987-7-14 935 Siskiyou junction of Hwy 3 and FS Rd. 40N03 Klamath National Forest, Scott River District, China Mtn. SW 1417 Comment
  RSA0005773  Galium serpenticum subsp. scotticum Lauramay T. Dempster, C. Hardham 1961-7-3 1877 Siskiyou about 2 miles below summit (i.e. east of) on road southwest of Callahan. 1829 Comment
  UC1586850  Galium trifidum var. pusillum Juha Pykala and D. H. Norris 1987-7-8 2454 Siskiyou n shore Medicine Lake 2040 Comment
  HSC65554  Galium triflorum Rich White 1977-7-21 134 Siskiyou Slope below outlet of Raspberry Lake 1512 Comment
  CDA38569  Garrya fremontii D. H. Shaw 1979-2-9 s.n. Siskiyou Near Somes Bar; Highway 96, Mile post 9.49. 0 Comment
  RSA120944A  Gayophytum diffusum subsp. parviflorum Wagnon 1957-8-11 1700 Siskiyou East slope of Mt. Shasta in meadow ca. 1 mile west of Military Pass Road along road to Brewer Cr. Comment
  RSA34680  Gayophytum diffusum subsp. parviflorum W. Bridge Cooke, V. G. Cooke 1946-9-2 17645 Siskiyou At Horse Camp, Mount Shasta 2439 Comment
  UC204395  Gayophytum heterozygum A. A. Heller 1914-8-25 11708 Siskiyou near Deetz Station (opposite Black Butte) 1158 Comment
  UC618776  Gayophytum heterozygum W. Bridge Cooke 1938-7-29 11385 Siskiyou Howard Mount Shasta (along roadside) Comment
  POM256536  Gayophytum humile W. Bridge Cooke 1940-6-6 15059 Siskiyou Near the outlet of Castle Lake 1677 Comment
  UC1122595  Gayophytum racemosum M. H. Mitchell 1936-5-22 Siskiyou Black Crater Dorris Quadrangle Comment
  JEPS51257  Gentiana newberryi Wayne Roderick 1967-9-3 Siskiyou in region just s South China Mountain (Cabin Meadow near Cabin Meadow Lakes); Cabin Meadow 2133 Comment
  UC1299120  Geum macrophyllum Freed W. Hoffman 1951-7-15 4032 Siskiyou Marble Mountains, Hammond Camp, western Siskiyou County Hammond Camp; North Coast Ranges, Marble Mountains, Hammond Camp 1524 Comment
  SEINET207375  Gilia capillaris Van Deventer, Mrs. Deventer 1959-7-10 7295 Siskiyou Twin Valley Siskiyou Mts. just east of Del Norte County line about 4mi N-NE of Preston Peak; watershed of Indian Cree 1494 Comment
  HSC46241  Gilia capitata Jennifer Whipple 1978-6-5 2324 Siskiyou Weston Gulch in Scott Valley 854 Comment
  CAS-BOT-BC94919  Gilia capitata subsp. capitata R. C. Wenk 2006-9-2 549 Siskiyou Trail to Caribou Lakes from Big Flat Meadow, below Snowslide Lake 2164 Comment
  UCSB63784  Glyceria borealis Oswald, Vernon; Ahart, Lowell 1998-7-21 Siskiyou NE of Weed and S of Macdoel, along Old State Highway on the W side of Bray 1417 Comment
  CAS-BOT-BC282717  Glyceria elata Wm. Bridge Cooke 1937-8-6 9209 Siskiyou Bear Springs, Mount Shasta 1524 Comment
  JEPS83991  Glyceria elata L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6374 Siskiyou ca 0.5 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  JEPS83992  Glyceria elata L. R. Heckard with J. Hickman 1986-7-16 6446 Siskiyou 5 mi n Seiad Valley (town) (Lily Pad Lake, se of Red Butte); Lily Pad Lake 1770 Comment
  CAS-BOT-BC302666  Gnaphalium palustre John Thomas Howell 1939-8-10 15254 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  UC896940  Gnaphalium palustre A. A. Heller 1915-8-24 11211 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 Comment
  HSC29161  Gnaphalium palustre Frederick W. Oettinger 1969-9-1 1572 Siskiyou Marble Mtn. Widerness Area, Dry Lake 2027 Comment
  UC1409287  Gnaphalium palustre Frederick W. Oettinger 1969-9-1 1572 Siskiyou Dry Lake, w Siskiyou County Salmon Mountains, Marble Mountain Wilderness Area, Dry Lake 2026 Comment
  CDA3427  Gypsophila paniculata Bill Huse 1953-7-29 Siskiyou Soil Conservation Yard at McDoel, Tule Lake. 0 Comment
  SEINET6336347  Habenaria leucostachys W. B. C. 1937-1 Siskiyou Comment
  HSC29273  Hackelia bella Frederick W. Oettinger 1968-8-11 476 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: 30 yds. SE of Tom Taylor Cabin 2027 Comment
  SEINET270241  Hackelia californica Kathy Harper, Dane Karr 1994-6-15 Siskiyou State Highway 89 about 5 miles west of Bartle 1158 Comment
  HSC86549  Hackelia californica D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar; N of Haypress Meadow 1372 Comment
  JEPS25633  Hackelia micrantha Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7272 Siskiyou Poker Flat 1536 Comment
  UC723022  Hackelia setosa C. L. Hitchcock, J. S. Martin 1939-7-6 5220 Siskiyou Takilma-Happy Camp Road 1676 Comment
  CAS-BOT-BC504594  Hastingsia alba L. Beane; A. M. Vollmer 1951-5-31 35 Siskiyou On scree near highway, Scott Mountain Comment
  CAS-BOT-BC504619  Hastingsia alba Peter H. Raven 1956-9-5 10443 Siskiyou Near North Fork of the Sacramento River 2194 Comment
  CAS-BOT-BC504620  Hastingsia alba John Thomas Howell 1937-7-26 13531 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  POM148055  Hastingsia alba J. B. Feudge 1927-7-22 1630 Siskiyou Ney Spring, Mt. Shasta City Comment
  RSA105445  Hastingsia alba Milo S. Baker 1955-7-26 13078 Siskiyou Hwy 99, 4 mi S of Gazelle. 915 Comment
  CAS-BOT-BC302450  Hazardia whitneyi var. discoidea Gilbert Muth 1965-8-4 310 Siskiyou Marble Valley Comment
  HSC29097  Hazardia whitneyi var. discoidea Frederick W. Oettinger 1968-9-3 684 Siskiyou Marble Mtn. Wilderness Area, above Horse's Hole near Horse Range Lake 1829 Comment
  UC892017  Hazardia whitneyi var. discoidea Louis C. Wheeler 1934-8-5 3045 Siskiyou Condrey Mt., Mt. Diablo Mer Siskiyou Mts., Condrey Mt. 2164 Comment
  CAS-BOT-BC306352  Helenium L. E. Smith 1913-8-30 532 Siskiyou Mount Eddy Comment
  CAS-BOT-BC306742  Helenium bigelovii Alice Eastwood 1921-7-25 10847 Siskiyou Bigelows, McCloud River Comment
  HSC62634  Helenium bigelovii Ruby Van Deventer 1958-7-12 Siskiyou Young's Valley Comment
  RSA183722  Helenium bigelovii Gilbert Muth 1965-8-2 145 Siskiyou Marble Valley; Marble Mts. Comment
  UC336924  Helenium puberulum unknown 1878-7-1 Siskiyou near Mt. Shasta Comment
  HSC92731  Helianthella californica var. shastensis Jennifer Whipple 1976-6-30 1204 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  UCD132813  Helianthus annuus R. Tofsrud; J. M. Tucker 1948-8-2 1759 Siskiyou around 2 miles south of McCloud. Comment
  CAS-BOT-BC305579  Helianthus bolanderi A. A. Heller 1916-9-1 12640 Siskiyou Near Yreka Comment
  JEPS67982  Heliotropium curassavicum Geo. D. Butler 1909-6-23 942 Siskiyou 2 mi. e. Montague 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
  CAS-BOT-BC313460  Hemizonella minima L. E. Smith 1913-7-12 460 Siskiyou Igerna Comment
  HSC510  Hemizonella minima William J. Ferlatte 1967-6-27 541 Siskiyou Big Flat, near public campground 1524 Comment
  HSC5989  Hemizonella minima D. M. Thomson 1965-6-19 99 Siskiyou Lava Beds National Monument, Merril Ice Cave by side of trail Comment
  POM210916  Hemizonia fitchii L. C. Wheeler 1934-10-6 3309 Siskiyou Shasta Valley, 2 mi. SE of Yreka. 854 Comment
  RSA183682  Heracleum maximum Gilbert Muth 1965-7-28 129 Siskiyou Marble Valley Guard Station, Marble Valley Comment
  JEPS1675  Hesperochiron californicus Doris Utz 1934-4-18 Siskiyou Etna Comment
  SD43482  Hesperocyparis bakeri Carl B. Wolf 1944-10-30 11481 Siskiyou Modoc Lava Beds, 1 mile northeast of Timbered Crater on Old Stage Road from Dana to Little Hot Springs Valley 1220 Comment
  SD11874  Hesperocyparis macnabiana Carl B. Wolf 1930-10-19 Siskiyou Modoc Lava Beds, 1 mile east of Timbered Butte on old road from ? Hill Farm at Dana to Little Hot Spring Valley 1220 Comment
  CHSC23183  Hesperolinon micranthum Robert F. Thorne; Fred Oettinger 1969-8-10 38947 Siskiyou Mt. Shasta National Forest: SW slope of Mt. Shasta along Ski Bowl Road. 1280 Comment
  UC1045250  Hesperolinon micranthum W. Bridge Cooke 1940-7-5 15225 Siskiyou along and old lane near Municipal Spring; Mount Shasta Comment
  JEPS19801  Hesperolinon micranthum Rimo Bacigalupi with S. Galen Smith 1957-6-27 6024 Siskiyou hill just w <town unspecified> town limits 1036 Comment
  UC29091  Heterocodon rariflorum Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
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Sep 4 2007
  CAS-BOT-BC311045  Heterotheca oregona var. oregona A. A. Heller 1917-9-7 12976 Siskiyou Unspecified 914 Comment
  CAS-BOT-BC420729  Heuchera cylindrica Elmer I. Applegate 1935-6-8 9447 Siskiyou Lava cliffs at summit of Sconchin Butte, Lava Beds National Monument. Comment
  CAS-BOT-BC420706  Heuchera merriamii Ira L. Wiggins 1955-7-27 13561 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  SFV8670  Heuchera merriamii J. M. Tucker 1963-8-19 3773 Siskiyou Klamath Mountains Marble Mountain Wilderness Area. Headwaters of Canyon Creek at the east base of Marble Mountain. 1951 Comment
  CAS-BOT-BC420710  Heuchera merriamii Doris K. Kildale 1928-7-2 6510 Siskiyou Salmon Summit via Horse Creek trail 1981 Comment
  CAS-BOT-BC94871  Heuchera merriamii R. C. Wenk 2005-7-15 220 Siskiyou Trinity Alps, above S. Fork of Salmon River, along Yellow Rose Mine Trail, N along ridge toward Preacher's Peak 2133 Comment
  JEPS80536  Heuchera merriamii Gilbert Muth 1965-8-17 308 Siskiyou lower creek on trail to Black Mountain; Marble Mountain Wilderness Area 1828 Comment
  UC705879  Heuchera micrantha var. diversifolia Marion Ownbey, Fred G. Meyer 1940-7-4 2175 Siskiyou nw of Hornbrook; Siskiyou Mts Comment
  CAS-BOT-BC319680  Hieracium albiflorum A. A. Heller 1915-7-18 12122 Siskiyou Metcalf's Ranch northeast base of Mt. Eddy 1188 Comment
  HSC69326  Hieracium albiflorum John Palmer 1980-8-12 736 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  UC32774  Hieracium albiflorum Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou near Sisson; Region of the Upper Sacramento Comment
  UC637125  Hieracium albiflorum Edward Lee 1934-8-13 1088 Siskiyou watershed of West Branch of Indian Creek, Happy camp to Waldo (Oregon) road Klamath National Forest 1463 Comment
  CAS-BOT-BC318549  Hieracium greenei Alice Eastwood 1921-7-30 10994 Siskiyou Soda Creek Comment
  SEINET515843  Hieracium greenei Vernon Oswald 1997-7-28 8801 Siskiyou Forest Route 15 near Grasshopper Flat, 3.9 mi. S of Medicine Lake Road. 1701 Comment
  HSC36473  Hieracium scouleri J. O. Sawyer 1969-7-25 1525 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  SBBG8443  Hieracium scouleri H. and M. Dearing 1939-6-19 3683 Siskiyou high up French Crk Comment
  OBI55426  Hieracium scouleri David J. Keil 1992-7-20 23485 Siskiyou Klamath NF, W of Fort Jones .Along forest rd 44N45, 1.4 mi S of Scott river rd, 0.1 mi S of Boulder Crk trl head 1000 Comment
  RSA211520  Hieracium scouleri William J. Ferlatte 1966-8-3 275 Siskiyou Josephine Lake basin. 1677 Comment
  HSC22178  Hieracium triste J. O. Sawyer 1969-8-3 1726 Siskiyou W of Little Duck Lake 2195 Comment
  HSC44982  Holodiscus discolor J. O. Sawyer 1978-6-21 3286 Siskiyou Marble Mtn. Wilderness Area, along trail N of Clear Lake 1951 Comment
  HSC4860  Holodiscus discolor J. O. Sawyer 1968-7-9 407 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  UC860183  Holodiscus discolor John Thomas Howell 1939-8-2 14884 Siskiyou Marble Mountains, Spirit Lake Spirit Lake; Marble Mountains, Spirit Lake Comment
  CAS-BOT-BC150133  Holodiscus microphyllus var. glabrescens John Thomas Howell 1937-7-29 13654 Siskiyou Scott Mt. between Trinity and Siskiyou counties Comment
  JEPS73758  Hordeum brachyantherum Geo. D. Butler 1909-6-4 813 Siskiyou near Yreka Comment
  SEINET10887945  Hordeum depressum Lowell Ahart, John Dittes 2005-6-9 Ahart 12001 Siskiyou T44N, R5W, southwest 1/4 Section 30. About 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  HSC10229  Hordeum vulgare R. C. Wunner 1965-8-14 423 Siskiyou Lava Beds N. M. Hovey Point. Comment
  CAS-BOT-BC143955  Horkelia daucifolia Geo. D. Butler 1909-5-8 713 Siskiyou Shasta Valley Comment
  SEINET8224842  Horkelia daucifolia A. Heller 1927-5-14 14384 Siskiyou Shasta Valley, near Gazelle. Comment
  JEPS82345  Horkelia fusca subsp. parviflora L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2302 Siskiyou .8 mi s Bray (junction of U. S. 97); Murphy Wells 1493 Comment
  UC1586969  Horkelia fusca subsp. parviflora Juha Pykala and D. H. Norris 1987-7-7 2394 Siskiyou 3 rd mi from junction of rds 15 and 49 (towards Medicine Lake, Camp Two Road) Comment
  UC415525  Horkelia fusca subsp. parviflora H. E. Brown Jul 15 1897-Jul 30 1897 Siskiyou s side Mt. Shasta; S side of Mt. Shasta, Siskiyou Co. 1524 Comment
  CAS-BOT-BC536227  Horkelia fusca var. parviflora W. R. Dudley 1899-8-15 s.n. Siskiyou Glazier Comment
  SBBG15756  Horkelia tridentata D. Myrick 1961-6-22 315 Siskiyou Hwy 89 near McCloud Comment
  UC1076054  Horkelia tridentata subsp. flavescens Herbert L. Mason 1947-5-17 14763 Siskiyou on Scott Mountain raod five mi s Callahan; Scott Mountain Road Comment
  CHSC86672  Hornungia procumbens Jenny Marr 1993-7-1 55 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC24699  Hosackia crassifolia J. O. Sawyer 1969-7-25 1523 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  CAS-BOT-BC201132  Hosackia crassifolia Doris K. Kildale 1929-7-20 8720 Siskiyou Raspberry Lake, near head South Fork Indian Creek 1828 Comment
  UC705694  Hulsea nana Marion Ownbey and Fred G. Meyer 1940-7-4 2192 Siskiyou on ridge above the head of Brewer Creek; Mt. Shasta Comment
  CDA22258  Humulus lupulus T. C. Fuller 1959-10-21 3155 Siskiyou North limits of Mt. Shasta City. 0 Comment
  HSC36952  Hydrophyllum capitatum var. alpinum J. P. Smith 1974-5-26 7589 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  UC1222907  Hydrophyllum fendleri var. albifrons Joseph P. Tracy 1951-6-16 19496 Siskiyou near State Line (summit of Siskiyou Mts at crossing of Takilma-Happy Camp Road); Siskiyou Mts. Comment
  CHSC96087  Hydrophyllum occidentale L. P. Janeway 2006-7-3 8759 Siskiyou Klamath Ranges. Salmon Mountains; creeklet at head of Music Creek. 1981 Comment
  JEPS35539  Hymenoxys hoopesii Geo. D. Butler 1908-8-2 318 Siskiyou Log Lake Shackelford Creek, Log Lake 1524 Comment
  CAS-BOT-BC312849  Hymenoxys lemmonii Louis C. Wheeler 1934-10-21 3334 Siskiyou Shasta Valley 4 mi. E Grenada 853 Comment
  CAS-BOT-BC312852  Hymenoxys lemmonii Brandegee No date on label s.n. Siskiyou Montague Comment
  POM67032  Hymenoxys lemmonii Geo D. Butler 1910-7-4 1640 Siskiyou Shasta River Comment
  UC57395  Hymenoxys lemmonii J. G. Lemmon and wife 1889-7-26 Siskiyou Edgewood Comment
  HSC77091  Hypericum anagalloides K. T. Stillman 1976-7-30 334 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  HSC99604  Hypericum anagalloides Gail Newton 1980-6-20 443 Siskiyou Near Bald Mtn. 1097 Comment
  CAS-BOT-BC400986  Hypericum anagalloides Doris K. Kildale 1928-8-8 6462 Siskiyou Near head of north fork of Salmon River at Finley's Upper Camp Comment
  HSC29221  Hypericum perforatum Frederick W. Oettinger, R. F. Thorne 1969-8-8 1307 Siskiyou Marble Mtn. Wilderness Area, mid-way between English Lake main camp & Sundew Bog due W of camp 1799 Comment
  HSC100273  Iliamna bakeri J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13067 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 1838 Comment
  SJSU2581  Ipomopsis aggregata H. L. Buckalew 1962-7-12 Siskiyou near Poker Flat c. 4 mi W of junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts 1089 Comment
  HSC44589  Ipomopsis aggregata Laura Witherspoon 1977-7-13 Siskiyou 1/2 mi. before Flint Valley on the G-O Rd. 1220 Comment
  CHSC1231  Ipomopsis aggregata subsp. formosissima V. Holt 1932-6-21 Siskiyou Black Butte meadow. 1158 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
  HSC76943  Ipomopsis congesta K. T. Stillman 1976-8-9 219 Siskiyou Marble Mtn. Wilderness area 2134 Comment
  UC164387  Iris missouriensis Geo. D. Butler 1910-6-3 1467 Siskiyou Quartz Valley Comment
  RSA366842  Iris missouriensis Christopher Davidson 1975-6-5 2667 Siskiyou 0.8 mi. from gate on special service rd. branching SE of rd from Gazelle to Callahan, ca. 9.3 miles W of Gazelle. Klamath Nat. Forest. 1509 Comment
  HSC65870  Iris tenax subsp. klamathensis M. A. Baker 1980-6-20 2182 Siskiyou Near Bald Mtn. 275 Comment
  HSC68472  Iris tenuissima Maralyn A. Renner 1980-6-26 1224 Siskiyou SE edge of Flint Valley. 1390 Comment
  UC4296  Iris tenuissima Harley P. Chandler Jun 1901 1570 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  RSA139181  Iris tenuissima Lee W. Lenz 1958-6-22 23530 Siskiyou 17 miles from Happy Camp, road to Cave Junction Comment
  CHSC33174  Isatis tinctoria R. E. Preston 1981-5-2 60 Siskiyou On roadside cuts, ca. 50 m n of Camp Creek, at Irongate Reservoir, ca. 32 km ne of Yreka. 700 Comment
  SDSU2432  Isatis tinctoria D. F. Howe 1977-7-2 4983 Siskiyou 7 miles west of Fort Jones on Scott River road. 671 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
  CAS-BOT-BC135375  Ivesia gordonii Alice Eastwood 1912-8-30 2028 Siskiyou Mount Eddy Comment
  CHSC31480  Ivesia pickeringii T. Spira 1979-8-15 446 Siskiyou 3.1 mi n of Shasta-Trinity county line off of Hwy 3 on n side of rd. Klamath NF/Callahan RD. 1219 Comment
  HSC30698  Juncus covillei Frederick W. Oettinger 1969-8-18 1419 Siskiyou Marble Mtn. Wilderness Area, NW shore of Horse Range Lake 1822 Comment
  UC2525  Juncus effusus subsp. pacificus W. L. Jepson 1894-1 Siskiyou Mt. Shasta Comment
  HSC78324  Juncus ensifolius L. P. Janeway 1983-8-16 544 Siskiyou Poker Flat 1524 Comment
  HSC78393  Juncus ensifolius L. P. Janeway 1983-9-11 668 Siskiyou Poker Flat, seep at NW side 1524 Comment
  POM229961  Juncus ensifolius L. C. Wheeler 1935-7-26 3710 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  JEPS102935  Juncus howellii L. P. Janeway 2002-7-12 7630 Siskiyou High Cascade Range. Along Ash Creek 5.0 km south of summit of Ash Creek Butte, about 0.8 km northwest of The Ford 1561 Comment
  HSC22182  Juncus mertensianus J. O. Sawyer 1968-7-22 554 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  CAS-BOT-BC127622  Juncus mertensianus Jennifer Whipple 1976-7-8 1335 Siskiyou North slopes of Mount Eddy. Klamath Mountains. 2438 Comment
  HSC30677  Juncus mertensianus Frederick W. Oettinger 1968-9-10 817 Siskiyou Marble Mtns. Wilderness Area, just S of Horse Range Lake 1845 Comment
  CHSC70073  Juncus nevadensis Jennifer Whipple 1976-7-24 1537 Siskiyou Mount Eddy, Klamath Mountains. Dale Creek drainage on the north face of Mount Eddy. 2255 Comment
  UC1618218  Juncus nevadensis Barbara Ertter 1990-7-16 9377 Siskiyou along ridge ca 1-2 mi from Parks Cr trailhead (= crest of Rt 17) (nw side of mt., ca 8 air mi sw of Weed); Mt. Eddy 2286 Comment
  HSC82380  Juncus nevadensis var. nevadensis Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4534 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  CHSC40152  Juncus occidentalis L. P. Janeway 1983-7-11 411 Siskiyou Along edge of dirt rd ca 350 m n of West Branch Guard Sta. 670 Comment
  POM215866  Juncus occidentalis L. C. Wheeler 1934-8-17 3185 Siskiyou Siskiyou Mts. North side White Mt. 1829 Comment
  RSA607421  Juncus occidentalis L. C. Wheeler 1934-8-17 3185 Siskiyou Siskiyou Mts. North side White Mt. 1829 Comment
  RSA238913  Juncus orthophyllus Frederick W. Oettinger 1968-9-6 741 Siskiyou At Bear Meadow mid-way along a straight line between English Peak and Tom Taylor cabin, at the head of Snowslide Gulch. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  UC618368  Juncus parryi John Thomas Howell 1937-7-24 13425 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  UC648265  Juncus parryi John Thomas Howell 1939-8-3 15009 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  POM110775  Juncus trilocularis Geo D. Butler 1910-5-28 1422 Siskiyou Shasta Valley. Comment
  RSA240063  Juniperus communis var. montana Frederick W. Oettinger 1969-8-23 1513 Siskiyou Slope near Smith Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CAS-BOT-BC81244  Juniperus occidentalis C. Etienne 1969-12-27 s.n. Siskiyou 15 mi. N of Weed, Highway 97 1767 Comment
  CHSC25059  Juniperus occidentalis J. L. Wilson 1970-3-23 223 Siskiyou Along e side of Hwy. 7.6 mi n of Yreka on old Interstate 5, 1.5 mi s of intersection of Hwy 96 and Interstate 5. 670 Comment
  HSC30625  Juniperus occidentalis Frederick W. Oettinger 1969-8-25 1558 Siskiyou Fort Jones 915 Comment
  UC483416  Juniperus occidentalis M. G. Anderson 1902-3-4 Siskiyou between Yreka and Humbug Creek Comment
  CAS-BOT-BC81238  Juniperus occidentalis F. P. Keen 1929-10-17 s.n. Siskiyou Mayfield Ice Cave near Modoc-Siskiyou County line Comment
  NY20170  Juniperus occidentalis Miss Herzinger 11 1903 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  HSC77232  Keckiella lemmonii L. P. Janeway 1983-8-21 577 Siskiyou FS Rd. 18N15, 3 mi. from FS Rd. 18N24 (Mill Creek Rd.) 1311 Comment
  NY790342  Keckiella lemmonii D. C. Michener 1980-8-2 3765 Siskiyou Klamath Mountains. Along CA 96 along the Klamath River between Swillup and Coon Creeks, ca. 17 miles south of Happy Camp. 304.8 Comment
  HSC4855  Kelloggia galioides J. O. Sawyer 1968-7-23 612 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  HSC661  Kelloggia galioides William J. Ferlatte 1967-7-9 677 Siskiyou Kidd Creek Trail 1677 Comment
  HSC90596  Kelloggia galioides Jennifer Whipple 1976-7-23 1522 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2256 Comment
  JEPS12462  Kelloggia galioides W. L. Jepson 1940-6-28 20055 Siskiyou McCloud 975 Comment
  RSA447645  Kelloggia galioides Chadwick, Chadwick 1911-07 1931 Siskiyou Shasta Springs. Comment
  RSA68905  Kelloggia galioides A. E. Culbertson 1943-7-24 53 Siskiyou Castle Lake, 5434', in a N facing cirque with an abrupt 1000' backwall. 14 miles SW of Mt. Shasta on N side of a 6000' eastern spur of Trinity Mtns. 2000' above Sacramento River within 10 air miles of its headwaters to the W. Comment
  SD76172  Kelloggia galioides Helen V. Witham 1969-10-6 558 Siskiyou Rocky slope above Kangaroo Lake, Scott Mts. 2400 Comment
  UC1132158  Koeleria macrantha H. S. Yates 1936-6-21 5818 Siskiyou 1 mi se Gazelle; Etna Quad. Comment
  CAS-BOT-BC499660  Kopsiopsis strobilacea Ira L. Wiggins 1955-7-23 13479 Siskiyou Ridge W of China Creek 1066 Comment
  RSA0104248  Kopsiopsis strobilacea Frederick W. Oettinger 1968-8-16 537 Siskiyou Near the summit of Little Medicine Mountain N of Hancock Lake. 2057 Comment
  SEINET3148086  Kyhosia bolanderi C. G. Pringle 1882-9-7 sn Siskiyou About Mt. Shasta Comment
  OBI55443  Lactuca biennis David J. Keil 1992-7-20 23502 Siskiyou Klamath NF. Along Forest Rd 46N64, 2.8 mi W of Scott river rd Comment
  CHSC114163  Lactuca serriola Barbara L. Wilson 2011-8-23 16860 Siskiyou Road 2M22 near Lake Siskiyou. 996 Comment
  RSA190722  Lactuca tatarica var. pulchella T. C. Fuller 1967-8-15 16260 Siskiyou 4 mile NE of Macdoel. Comment
  CAS-BOT-BC341699  Lagophylla ramosissima Geo. D. Butler 1910-6-2 1448 Siskiyou Yreka Comment
  JEPS107664  Lagophylla ramosissima Lowell Ahart, John Dittes 2005-6-9 12016 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  CAS-BOT-BC341703  Lagophylla ramosissima Louis C. Wheeler 1934-6-2 2608 Siskiyou Klamath National Forest. Oak Knoll R. S. 670 Comment
  CAS-BOT-BC204929  Lathyrus Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou North slope of Scott Mt. Comment
  UC164040  Lathyrus brownii Geo. D. Butler 1910-5-15 1346 Siskiyou Greenhorn Mountain 1066 Comment
  CAS-BOT-BC204981  Lathyrus jepsonii var. californicus Alice Eastwood 1912-7-21 1279 Siskiyou Sisson Comment
  HSC30419  Lathyrus nevadensis var. nevadensis Frederick W. Oettinger 1969-8-1 1136 Siskiyou Between English Lake and Wire Grass Meadow 1677 Comment
  JEPS55311  Lathyrus sulphureus Mrs. C. Quigley 1909-5-8 707 Siskiyou near Yreka; Klamath River 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-BC88859  Lepidium campestre R. E. Frenkel 1964-7-13 669 Siskiyou Just north of Everitt Memorial Highway at the sign marking Alice M. Zender Memorial Grove. 1371 Comment
  UCD18220  Lepidium campestre Joe Ditomaso 2001-5-22 s.n. Siskiyou near Hwy 89, 2 miles W of McCloud. Comment
  JEPS53595  Lepidium densiflorum var. densiflorum Geo. D. Butler 1908-6-25 130 Siskiyou near Yreka (Butler's Ranch) Comment
  NY76370  Lepidium montanum var. montanum A. Wood 1866-1 984 Siskiyou Shasta Plains, North of Mt. Shasta, 25 m from Yreka Comment
  CHSC91629  Lepidium perfoliatum G. F. Hrusa 2001-6-5 15841 Siskiyou Shasta Valley. Road pullout at northbound exit from I-5 at Louie Rd. 914 Comment
  HSC45901  Leptosiphon nuttallii Laura Witherspoon 1978-8-18 103 Siskiyou Klamath National Forest, Rd. to Baal Mtn. Lookout 2134 Comment
  UC33169  Lessingia nemaclada Milo S. Baker 1893-8-17 Siskiyou Squaw Valley Mt. 1219 Comment
  CDA7525  Leucanthemum vulgare Don Shaw 1980-6-23 Siskiyou Off Scott River Road near Fort Jones. 0 Comment
  RSA68894  Leucophysalis nana A. E. Culbertson 1943-7-1 63 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 airmiles of its headwaters to the west. Comment
  CAS-BOT-BC58266  Leucothoe davisiae R. F. Thorne; Frederick W. Oettinger 1969-8-4 63378 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, in the vicinity of English Peak. At margin 2072 Comment
  HSC27337  Lewisia cotyledon J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5707 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  UC1312937  Lewisia cotyledon var. cotyledon John M. Tucker 1963-7-7 3713 Siskiyou vicinity of Paradise Lake (base on e side of Kings Castle); Marble Mountain Wilderness Area, Kings Castle 1981 Comment
  UC852030  Lewisia cotyledon var. cotyledon John Thomas Howell 1939-8-3 14954 Siskiyou Spirit Lake Marble Mts., Spirit Lake Comment
  CAS-BOT-BC444043  Lewisia cotyledon var. cotyledon Grace Wood 1919-5-9 s.n. Siskiyou Oak Bar Comment
  SEINET5324940  Lewisia leeana G. Butler 1910-8-8 1687 Siskiyou Shackleford Creek Comment
  RSA238300  Lewisia nevadensis Frederick W. Oettinger 1969-7-10 949 Siskiyou On NW of Lower English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC24052  Lewisia triphylla J. O. Sawyer 1971-7-2 2403 Siskiyou 1463 Comment
  CAS-BOT-BC283812  Leymus cinereus Geo. D. Butler 1909-6-19 839 Siskiyou Near Yreka Comment
  UC803924  Leymus triticoides G. L. Stebbins Jr. with P. Dansereau, C. McMillan, and K. Narayan 1949-8-8 4016 Siskiyou 3 mi s Grenada (along RR right of way) 792 Comment
  CDA32477  Leymus triticoides T. C. Fuller 1964-6-25 12247 Siskiyou 0.1 mile south of Meiss Lake-Sam s Neck Rd., ca. 1 mile west of Hwy 97 at Macdoel, Butte Valley 0 Comment
  CAS-BOT-BC508258  Lilium columbianum W. R. Dudley 1905-8-3 s. n. Siskiyou Sacramento River Comment
  HSC67682  Lilium kelleyanum John S. Palmer 1980-7-24 623 Siskiyou Elk Hole 1503 Comment
  CAS-BOT-BC509384  Lilium kelleyanum A. A. Heller 1905-6-13 s.n. Siskiyou Near Shasta Springs Comment
  SEINET3887237  Lilium kelleyanum J. P. Smith, Steve Selva 1970-7-17 4448 Siskiyou Stream and hanging bog below Kangaroo Lake.; 0 1890 Comment
  CAS-BOT-BC130823  Lilium pardalinum R. C. Wooley 1931-6-1 s.n. Siskiyou Shasta Retreat Comment
  RSA126270  Lilium pardalinum I. L. Wiggins 1955-7-21 13425 Siskiyou Near Mt. View Ranch 7 miles above Cecilville on S Fork of Salmon River 976 Comment
  UCSB22058  Lilium pardalinum Keefe, Joseph 1967-7-11 Siskiyou North edge of the town of Mt. Shasta 1085 Comment
  HSC69173  Lilium pardalinum subsp. pardalinum Maralyn A. Renner 1980-8-6 2332 Siskiyou Cracker Meadow 1555 Comment
  UC1334272  Lilium pardalinum subsp. shastense Albert M. Vollmer and Ira L. Wiggins 1940-7-5 7 Siskiyou ca. 10 mi. n.e. Sawyer's Bar (along banks of Cow Creek, on rd. to Etna); Cow Creek 975 Comment
  POM267240  Lilium washingtonianum Marion Ownbey, Fred G. Meyer 1940-7-6 2196 Siskiyou Summit of Cayenne Ridge, Marble Mountain Comment
  RSA12670  Lilium washingtonianum Carl B. Wolf 1934-7-6 6024 Siskiyou Southwest slope of Mt. Shasta along trail to Horse Camp 1524 Comment
  JEPS58259  Linanthus bolanderi Geo. D. Butler 1909-4-27 611 Siskiyou Oro Fino Comment
  UC537990  Linanthus ciliatus Louis C. Wheeler 1934-6-11 2688 Siskiyou North Hungry Creek Siskiyou Mts. 1219 Comment
  UC60872  Linanthus nuttallii subsp. nuttallii Harley P. Chandler Jun 1901 1587 Siskiyou near Marble Mountain; North Coast Ranges 1981 Comment
  RSA139020  Linaria dalmatica T. C. Fuller 1960-6-30 4646 Siskiyou Just N/Forest Service Station, Mt. Hebron. Comment
  UC618617  Linum lewisii W. Bridge Cooke 1938-7-1 11138 Siskiyou in (chaparral) around Wagon Camp (especially just below it, Mount Shasta); Mount Shasta 1737 Comment
  RSA238528  Linum lewisii Frederick W. Oettinger 1968-8-18 569 Siskiyou West side of Hancock Lake just north of the campsite area. The High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness area. 1936 Comment
  UC4707  Listera convallarioides C. B. Bradley 1897-1 Siskiyou Comment
  CAS-BOT-BC36009  Lithocarpus densiflorus var. densiflorus Marion Ownbey; Fred G. Meyer 1940-7-8 2231 Siskiyou Siskiyou Mountains, 17 miles north of Happy Camp. Comment
  UC705919  Lithocarpus densiflorus var. echinoides Marion Ownbey, Fred G. Meyer 1940-7-3 2163 Siskiyou 7 mi nw McCloud Comment
  UC1586901  Lithophragma Juha Pykala and D. H. Norris 1987-6-26 2061 Siskiyou 0-3 km below Bear Lake (above Bear Creek, sw slopes); Marble Mountain Wilderness, below Bear Lake, abv Bear Creek Comment
  JEPS20030  Lithophragma glabrum George D. Butler 1909-3-14 558 Siskiyou near Yreka (McNulty's upper field); near Yreka Comment
  HSC22237  Lithophragma heterophyllum J. O. Sawyer 1969-7-11 863 Siskiyou Ravine above C.C.C. road. 1280 Comment
  JEPS21381  Lithospermum californicum W. L. Jepson 1894-1 21072 Siskiyou Sisson Comment
  CAS-BOT-BC269144  Lolium perenne A. A. Heller 1915-7-18 12125 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  HSC43043  Lomatium californicum J. O. Sawyer, K. T. Stillman 1976-7-2 2816 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  RSA237414  Lomatium dissectum var. multifidum Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1186 Siskiyou W-facing slope on E side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC76647  Lomatium macrocarpum K. T. Stillman 1976-8-7 175 Siskiyou Marble Mtn. Wilderness Area. 2073 Comment
  UC165425  Lomatium macrocarpum Geo. D. Butler 1910-5-4 1275 Siskiyou hills near Yreka Comment
  RSA215602  Lomatium macrocarpum Gilbert Muth 1969-8-6 1204 Siskiyou Boulder Peak. 2530 Comment
  UC106270  Lomatium nudicaule Brandegee July, 1887 Siskiyou Edgewood Comment
  POM78310  Lomatium vaginatum Geo. D. Butler 1910-4-21 1207 Siskiyou Oro Fino Comment
  UC61163  Lonicera ciliosa W. A. Setchell, C. C. Dobie 1902-7-26 Siskiyou Sisson Mount Shasta Comment
  HSC4900  Lonicera conjugialis J. O. Sawyer 1968-7-10 460 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  JEPS24794  Lonicera conjugialis Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6803 Siskiyou headwaters Sacramento River (shore of Castle Lake); Castle Lake, Sacramento River 1661 Comment
  RSA238540  Lonicera conjugialis Frederick W. Oettinger 1967-7-26 206 Siskiyou Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2000 Comment
  UC169069  Lonicera conjugialis Harley P. Chandler 1901-6-21 1605 Siskiyou near Marble Mountain (Haypress meadows); North Coast Ranges 1981 Comment
  UCD137302  Lonicera conjugialis Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou East of Marble Mountain, Marble Mountains. 1716 Comment
  CAS-BOT-BC243919  Lonicera involucrata var. involucrata Gilbert J. Muth 1969-8-10 1311 Siskiyou Ridge west of Boulder Peak 2194 Comment
  CAS-BOT-BC243920  Lonicera involucrata var. involucrata M. S. Baker 1925-9-7 120 a Siskiyou Near Soda Sp. Range. Sta. Comment
  JEPS75367  Lotus crassifolius var. crassifolius Geo. D. Butler 1908-8-2 394 Siskiyou Shackleford Creek Quartz Valley Comment
  JEPS55465  Lotus denticulatus Geo. D. Butler 1909-6-24 912 Siskiyou near Yreka Comment
  SEINET3694633 Image available Lotus nevadensis var. douglasii Roxana S. Ferris, Laura Lorraine 1948-6-12 11866 Siskiyou 1 mile W of Gazelle Comment
  UC204545  Lotus nevadensis var. nevadensis A. A. Heller 1914-8-25 11711 Siskiyou near Deetz Station; Sierras 1158 Comment
  RSA281673  Lotus oblongifolius S. O. Mattoon 1978-7-23 119 Siskiyou Wright Lakes Trail, 11 air mi. W of Fort Jones, Marble Mts. 1982 Comment
  RSA297048  Lotus oblongifolius var. nevadensis John F. Emmel 1974-7-18 513 Siskiyou North end of small unnamed lake 1.4 air miles E. of Preston Peak. 1463 Comment
  UC160445  Lotus stipularis var. ottleyi I. J. Condit 1911-7-8 Siskiyou Shasta Retreat 762 Comment
  POM18964  Lotus unifoliolatus E. B. Copeland 1903-7-6 3495 Siskiyou Hornbrook. Comment
  POM38070  Ludwigia palustris var. pacifica Geo. D. Butler 1910-7-16 1791 Siskiyou Oro Fino Comment
  UC722263  Luetkea pectinata C. L. Hitchcock and J. S. Martin 1939-7-9 5328 Siskiyou 0.5 mi se King's Castle; Marble Mts. 1828 Comment
  UCR101255  Luina hypoleuca L. C. Wheeler 1959-7-25 7590 Siskiyou Salmon/Marble Mtns, Facing the Salmon River, a few mi downstream from the Forks of the Salmon. 222 Comment
  CDA27358  Lupinus albicaulis T. C. Fuller 1974-9-24 20030 Siskiyou Summit of Siskiyou Mountains above Reeves Ranch Spring. 0 Comment
  UCD105875  Lupinus albicaulis W. A. Williams 1957-7-23 57 S Siskiyou Siskiyou-Trinity County line. Deadfall Creek Shasta National Forest (e. of Mt. Eddy). 2011 Comment
  POM26759  Lupinus albifrons var. eminens Geo. D. Butler 1910-5-16 1353 Siskiyou Yreka Comment
  HSC70489  Lupinus andersonii J. P. Smith 1973-5-5 6515 Siskiyou Along Cook and Green Pass Rd. Comment
  UCR37852  Lupinus andersonii K. T. Stillman 1976-8-7 197 Siskiyou Marble Mountain Wilderness Area 1829 Comment
  HSC63295  Lupinus andersonii M. A. Baker 1979-7-30 1083 Siskiyou Marble Mtn. Wilderness, Tickner Summit. 695 Comment
  SEINET10837737  Lupinus andersonii var. andersonii Katherine L. Morris 1973-5-25 Morris 272 Siskiyou 20.7 miles e of mccloud on hwy 89 n an area of libocedrus, yellow pine, white Fir, and mixed conifers Comment
  JEPS65308  Lupinus arbustus Geo. D. Butler 1909-5-14 705 Siskiyou near Yreka (Klamath Hills); Klamath Hills Comment
  CAS-BOT-BC8427  Lupinus argenteus Amos Arthur Heller 1905-6-9 8015 Siskiyou Montague Comment
  UCD106687  Lupinus argenteus Robert E. Preston 1995-6-18 872 Siskiyou ca. 3 mi ese of Hornbrook, in oak woodland adjacent to Ager Rd; (Copco 15' quad). 701 Comment
  CAS-BOT-BC196377  Lupinus argenteus var. heteranthus Alice Eastwood; John Thomas Howell 1934-4-20 1757 Siskiyou Near Yreka, along Shasta River Comment
  CAS-BOT-BC215101  Lupinus croceus John Thomas Howell 1937-7-1 13314 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC215171  Lupinus croceus Roxana S. Ferris; Laura Lorraine 1948-6-12 11810 Siskiyou At Mule Creek crossing of Scott Mountain Road 1524 Comment
  CAS-BOT-BC215186  Lupinus croceus Alice Eastwood 1921-7-24 10714 Siskiyou Castle Lake Comment
  UC1482885  Lupinus croceus P. Kenney, Conrad and Dunn 1973-6-4 384 Siskiyou along road from Cecilville to Callahan 6.4 mi w Callahan; w of Callahan 1737 Comment
  CAS-BOT-BC215198  Lupinus croceus Joy D. Mastrogiuseppe 1974-9-2 168 Siskiyou W slope of ridge of Red Rock Mountain 2225 Comment
  SD106936  Lupinus croceus var. pilosellus M. L. Conrad, D. B. Dunn, P. Kenney 1973-6-2 6988 Siskiyou 17.4 miles NE of Cecilville Store on the road to Callahan 2073 Comment
  UC157007  Lupinus klamathensis Geo. D. Butler Apr 19 1910-Apr 30 1910 Siskiyou Yreka Comment
  SEINET10485424  Lupinus klamathensis Jeffrey Huber 1971-6-9 Huber 258 Siskiyou 3 mi. N of weed, on us hwy 97; s facing 20 degree slope; roadside; in pinus Ponderosa, p. Jeffreyi, and artemisia tridentata and purshia. 1128 Comment
  SD88546  Lupinus lapidicola Darley F. Howe 1972-7-4 4869 Siskiyou Sanger Pass Road, stoney hilltop south of marker for Del Norte-Siskiyou county line on the road to Youngs Valley Comment
  RSA104574  Lupinus lapidicola A. A. Heller 1919-7-9 s.n. Siskiyou On the long E-W ridge of Mt. Eddy 2439 Comment
  RSA413738  Lupinus latifolius subsp. viridifolius Louis C. Wheeler 1934-7-3 2874 Siskiyou Smoky Creek, Sterling Mt. 1494 Comment
  JEPS65277  Lupinus latifolius var. viridifolius W. L. Jepson Aug. 1894 45 t Siskiyou Mt. Shasta Comment
  CAS-BOT-BC8340  Lupinus lelandsmithii L. E. Smith 1913-5-4 253 Siskiyou Hornbrook Comment
  LA205119  Lupinus lepidus var. lobbii W. B. C.; 1939-7-13 13561 Siskiyou Mount Shasta, around Squaw Valley Creek meadows 2590 Comment
  CHSC110962  Lupinus lepidus var. sellulus B. Castro; L. P. Janeway 2007-7-28 1661 Siskiyou High Cascade Range. Medicine Lake Highlands; west side of Arnica Sink about 4 mi west of Glass Mountain and ca 1 mi NE of Medicine Lake. Off either side of E-W side-road off of Modoc NF Rd43N99. 2045 Comment
  CHSC48564  Lupinus lepidus var. sellulus Vernon Oswald 1986-5-29 2072 Siskiyou Hwy 97 between Macdoel and Hebron Summit, 31.5 mi ne of Weed. 1219 Comment
  UC598746  Lupinus lepidus var. sellulus C. Hart Merriam Sept. 1898 Siskiyou Sisson Comment
  SEINET10485590  Lupinus leucophyllus var. belliae Melvin L. Conrad, David B. Dunn; Katherine L. Morris 1973-6-1 Conrad 6967 Siskiyou Oak-juniper woodland at margin of klamath river, 2 mi s of hornbrook. 701 Comment
  SEINET10491193  Lupinus leucophyllus var. leucophyllus Katherine L. Morris 1973-6-2 Morris 373 Siskiyou Collected 7 mi. S of etna along roadside of hwy 3, near a gravel quarry. Comment
  POM179120  Lupinus luteolus Lester Rowntree 1937-8-7 s.n. Siskiyou Happy Camp Road. Comment
  UC70371  Lupinus microcarpus var. densiflorus Milo S. Baker 1898-4-20 Siskiyou Taylor Mt. Comment
  UC156986  Lupinus nanus Geo. D. Butler April 17, 1910 - April 30, 1910 1190 Siskiyou Yreka; dry hill Yreka Comment
  SD60261  Lupinus onustus A. A. Heller 1927-5-14 14371 Siskiyou Spring Hill, near the town of Mt.Shasta Comment
  RSA176875  Lupinus onustus A. A. Heller 1927-5-14 14371 Siskiyou Spring Hill, near the town of Mt. Shasta. Comment
  UC157013  Lupinus polyphyllus var. polyphyllus Geo. D. Butler 1908-6-28 376 Siskiyou Oro Fino, L. Eastlick's Meadow Oro Fino Comment
  RSA119373  Lupinus sellulus subsp. sellulus S. S. Tillett 1956-7-9 669 Siskiyou Along ridge running n. from nw. side of Scott Mtn., between Big Carmen Creek and Mule Creek. 1951 Comment
  CAS-BOT-BC436699  Luzula comosa var. laxa Wm. Bridge Cooke 1939-7-7 13602 Siskiyou Mt. Shasta: between Bear Springs and Wagon Camp 1676 Comment
  CAS-BOT-BC436703  Luzula comosa var. laxa John Thomas Howell 1937-7-22 13278 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  RSA105371  Luzula divaricata G. D. Barbe 1955-8-5 361 Siskiyou Growing along the trail from Big Flat to Caribou Lake at a point northwest of the summit of Caribou Mtn. Salmon Mountains. 2409 Comment
  UC1025121  Luzula divaricata Douglas Barbe 1955-8-5 361 Siskiyou growing along the trail from Big Flat to Caribou Lake (at a point nw of summit of Caribou Mountain, Salmon Mountains); Klamath Mountains, Salmon Mountains, nw of summit Caribou Mo 2407 Comment
  UC1025122  Luzula divaricata Douglas Barbe 1955-8-1 326 Siskiyou summit Mount Bolivar (Scott Mountains); Klamath Mountains, , Mt. Bolivar 2468 Comment
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Mar 6 2013
  UC1026902  Luzula parviflora W. Bridge Cooke 1940-8-8 15418 Siskiyou along Squaw Valley Creek below McCloud intake; Mount Shasta, along Squaw Valley Creek Comment
  UC1538956  Luzula parviflora W. J. Ferlatte 1987-7-7 2108 Siskiyou ca 1.6 mi e McCloud River R.R. (Bear Springs area, U.S.F.S. Rd. 31); Shasta Quad., Bear Springs Area, e of McCloud River R.R. 1508 Comment
  HSC31127  Luzula parviflora J. O. Sawyer 1971-8-19 2454 Siskiyou 2012 Comment
  RSA758591  Luzula parviflora Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63402 Siskiyou Klamath Nat'l Forest, Salmon Mountains: Marble Mtn Wilderness, to Hancock Lake & Tobacco Lake via Diamond Lake 1936 Comment
  HSC14223  Lycopus americanus L. C. Wheeler 1934-9-19 3283 Siskiyou Mt. Diablo Meridian, Walker, Klamath River, Siskiyou Mtns. 518 Comment
  POM362228  Madia citriodora M. B. Dunkle 1944-6-25 9022 Siskiyou Siskiyou National Forest. 1677 Comment
  CAS-BOT-BC344007  Madia elegans Louis C. Wheeler 1934-6-28 2809 Siskiyou Klamath National Forest. Beaver Creek 914 Comment
  HSC42907  Madia exigua J. O. Sawyer, Ken Stillman 1976-5-28 2726 Siskiyou Along Rd. W of Sawyers Bar. 610 Comment
  CAS-BOT-BC343424  Madia gracilis unspecified 1902-9-11 s.n. Siskiyou Sisson Comment
  CAS-BOT-BC343430  Madia gracilis Alice Eastwood 1912-7-17 1148 Siskiyou Sisson Comment
  HSC36815  Madia gracilis J. P. Smith 1974-5-27 7619 Siskiyou Along FS Rd. 47N03 1280 Comment
  JEPS40207  Madia gracilis Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sims to Sissons; Region of the Upper Sacramento Comment
  OBI53731  Madia gracilis David J. Keil, Kathleen Keil 1992-7-19 23466 Siskiyou Klamath NF. Salmon Mountain Summit on Sawyers Bar Rd, SW of Etna 1816 Comment
  SEINET10474823  Madia minima Mary Susan Taylor 1980-7-8 Taylor 3113 Siskiyou T39N R5W se sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on ridge S of Castle Lake, above Hearts Lake. 2017 Comment
  SEINET5339049  Mahonia nervosa G. D. Butler 1910-5-5 1287 1/2 Siskiyou Humbug Creek. Comment
  SJSU6537  Maianthemum racemosum R. W. Trivelpiece 1973-6-28 161 Siskiyou Big Duck Lake, Scott River drainage c. 7.5 mi W of Callahan 2042 Comment
  HSC99338  Maianthemum racemosum subsp. amplexicaule G. L. Clifton 1979-7-1 6192 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  RSA68871  Maianthemum racemosum subsp. amplexicaule A. E. Culbertson 1943-6-19 85 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 mi SW of Mt. Shasta on N side of a 6600 eastern spur of Trinity Mtns., 2000 above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  CAS-BOT-BC514189  Maianthemum stellatum Geo. D. Butler 1910-5-15 1343 Siskiyou Mcadam Creek Comment
  UC1714366  Marrubium vulgare W. Bridge Cooke 1940-8-2 15392 Siskiyou Wagon Camp road above Howard (Mount Shasta); Mount Shasta Comment
  UCD134462  Matricaria discoidea A. A. Heller 1916-7-20 12461 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy in openings in the forest. 1188 Comment
  RSA60503  Medicago lupulina John H. Thomas 1949-6-16 942 A Siskiyou Beaver Creek Public Camp, 5 miles north of junction of Beaver Creek and Klamath River. Klamath National Forest. Comment
  LA12117  Melica aristata H. S. Yates; 1936-6-21 5833 Siskiyou 1 mi SW of Signal Butte 1341 Comment
  CAS-BOT-BC271212  Melica bulbosa R. E. Frenkel 1963-7-15 244 Siskiyou West of Everitt Memorial Highway, 1.7 miles north of McCloud River RR crossing, near Mount Shasta 1290 Comment
  POM114782  Melica fugax Geo D. Butler 1909-5-26 824 Siskiyou Hill near Yreka. Comment
  SEINET207388 Image available Melica geyeri Rimo Bacigalupi, Mr. & Mrs. Van Deventer 1959-7-10 7312 Siskiyou Twin Valley Siskiyou Mts. just east of Del Norte County Line; 4 airmiles north-northeast of Preston Peak 1494 Comment
  CAS-BOT-BC281388  Melica harfordii Doris K. Kildale 1928-6-24 5276 Siskiyou Entrance to Horse Mountain 914 Comment
  HSC58562  Melica stricta G. L. Clifton, Griswold 1979-7-26 10115 Siskiyou Near Salmon Mountain, close to town of Forks of Salmon. 2103 Comment
  HSC42951  Melica subulata J. O. Sawyer, K. T. Stillman 1976-7-1 2777 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  HSC48289  Melica subulata J. O. Sawyer, K. T. Stillman 1978-7-6 3296 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  UCD88594  Melica subulata AHM 1955-7-29 55 R Siskiyou Klamath National Forest. Marble Mountains. Clear Lake. 1798 Comment
  JEPS44110  Mentzelia albicaulis W. B. and V. G. Cooke 1965-7-12 35170 Siskiyou below railroad crossing (Along Bolam Road); Mt. Shasta Comment
  RSA15786  Mentzelia laevicaulis Carl B. Wolf 1927-8-26 1009 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  UCSB24988  Micranthes californica Keefe, Joseph 1967-7-11 Siskiyou Little Castle Lake, south of Castle Lake, 10 miles southwest of town of Mt. Shasta 2011 Comment
  CAS-BOT-BC428976  Micranthes ferruginea H. A. Thomas; J. H. Thomas 1954-7-24 4493 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville. 1981 Comment
  CAS-BOT-BC428981  Micranthes ferruginea W. R. Dudley 1901-8-23 s.n. Siskiyou Foxtail Ridge, Salmon Mts. Comment
  CAS-BOT-BC334234  Micranthes howellii Dana York 2013-6-14 3169 Siskiyou Klamath National Forest, Siskiyou Wilderness, ca 4.5 km N of Preston Peak, Bell Echo Camp 1440 Comment
  CAS-BOT-BC429151  Micranthes odontoloma Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  CAS-BOT-BC432854  Micranthes tolmiei Lester Rowntree 1939-7-31 s.n. Siskiyou Caribou Lakes Comment
  CAS-BOT-BC349368  Microseris nutans Alice Eastwood 1923-5-27 11953 Siskiyou Shasta Springs Comment
  CDA8393  Microseris nutans T. C. Fuller 1962-6-13 8979 Siskiyou Road to Medicine Lake & Toad Lake, 6 miles northeast of Bartle. 0 Comment
  JEPS35722  Microseris nutans Geo. D. Butler 1904-6-22 958 Siskiyou Goosenest Mountain Comment
  HSC22473  Mimulus breweri J. O. Sawyer 1969-7-1 994 Siskiyou SE slope above Paynes Lake Creek 1921 Comment
  HSC45047  Mimulus breweri J. O. Sawyer 1978-6-19 3257 Siskiyou Marble Mountain Wilderness Area; along trail in Bug Gulch 1524 Comment
  CDA41450  Mimulus cardinalis T. C. Fuller 1962-8-3 9503 Siskiyou Siskiyou Mountains: 200 yards up Raggedass Gulch, east of Beaver Creek, 5 miles north of the Klamath River. 0 Comment
  HSC76733  Mimulus guttatus K. T. Stillman 1976-7-14 240 Siskiyou Marble Mtn. Wilderness Area Comment
  POM146613  Mimulus layneae A. A. Heller 1925-6-25 13895 Siskiyou Along the Pacific Highway 3 miles north of the town of Mt. Shasta. Comment
  HSC421  Mimulus lewisii William J. Ferlatte 1966-8-17 386 Siskiyou Caribou Basin 1982 Comment
  UCR37819  Mimulus lewisii K. T. Stillman 1976-7-22 293 Siskiyou Marble Mountain Wilderness Area Comment
  JEPS82495  Mimulus moniliformis Gilbert Muth 1965-8-3 153 Siskiyou Marble Valley Marble Mt. Wilderness Area 1792 Comment
  HSC36559  Mimulus moschatus J. O. Sawyer 1969-7-18 1379 Siskiyou Ridge above S Russian Creek 1921 Comment
  UC1731232  Mimulus nanus Dean W. Taylor 1997-7-25 15846 Siskiyou in cirque above upper lake Crater Lake; KR, Scott Mtns, Klamath National Forest 2331 Comment
  RSA14134  Mimulus nanus var. jepsonii Elmer I. Applegate 1923-8-18 3882 Siskiyou Medicine Lake. Comment
  JEPS86916  Mimulus nanus var. nanus David M. Thompson 1988-6-2 926 Siskiyou 8 1/2 air mi nne Adin (0.2 mi w of campground loop road of Upper Rush Creek Campground, ca. 2 mi e of Hwy 139-299) 1600 Comment
  UC445180  Mimulus pilosus Dr. E. B. Copeland 1903-8-18 3830 Siskiyou Mt. Eddy 2286 Comment
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Sep 16 2010
  UC454789  Mimulus primuloides I. J. Condit 1909-8-22 Siskiyou Sisson Comment
  HSC91001  Mimulus primuloides var. linearifolius Jennifer Whipple 1976-8-20 1729 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  HSC104138  Mimulus pulsiferae Dana York 2012-7-21 3128 Siskiyou Klamath National Forest, 470 m E of Red Butte, along the road and springs around Bee Camp 1720 Comment
  JEPS77494  Mimulus tricolor Susan Horner 1978-6-30 400 Siskiyou about 4 mi sse Hambone (on road between 40NO5 and Sand Flat Well, vernal flat below road) Comment
  CAS-BOT-BC388888  Minuartia douglasii Albert M. Vollmer; Lawrence Beane 1951-5-31 20 Siskiyou Scott Mountain Comment
  HSC68551  Minuartia douglasii Maralyn A. Renner 1980-6-8 801 Siskiyou Slopes E of Hwy. 3 1341 Comment
  CAS-BOT-BC174730  Minuartia nuttallii Louis C. Wheeler 1934-6-29 2828 Siskiyou Klamath National Forest. Soda Creek 1066 Comment
  HSC77353  Minuartia nuttallii subsp. gregaria L. P. Janeway 1983-8-7 519 Siskiyou Near end of Rd. 17N32 (the S Fork Indian Cr. Rd.), 19 mi. from the Indian Creek Rd. 1555 Comment
  UC852409  Minuartia nuttallii subsp. gregaria A. A. Heller 1915-8-26 12219 Siskiyou near source of Wagon Creek (on canyon at upper limit of Pinus monticola); Nt. Eddy 2590 Comment
  SEINET10537572  Minuartia nuttallii subsp. gregaria Mary Susan Taylor 1980-7-8 Taylor 3092 Siskiyou T40N R5W sec 35, Weed quad; Shastan Trinity Natl Forest; along Rd 40N43, at W end of Lake Siskiyou. 1372 Comment
  CAS-BOT-BC181108  Minuartia nuttallii var. gregaria Doris K. Kildale 1929-8-24 9062 Siskiyou Preston Peak 2225 Comment
  CAS-BOT-BC433016  Mitella diversifolia Geo. D. Butler 1910-5-23 1391 Siskiyou Humbug Mountain 1219 Comment
  HSC4887  Mitella pentandra J. O. Sawyer 1968-7-10 520 Siskiyou S side of Sugar Creek. 1616 Comment
  HSC4891  Mitella pentandra J. O. Sawyer 1968-7-10 463 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  UC1409260  Mitella pentandra Frederick W. Oettinger 1968-8-8 376 Siskiyou Base Camp Meadow Salmon Mountains, Marble Mountain Wilderness Area (edge, between Diamond Lake and Hancock Lake, w Siskiyou Co.) 2011 Comment
  RSA211101  Mitella pentandra William J. Ferlatte 1967-8-20 1062 Siskiyou Caribou Basin. Trinity Alps. 1982 Comment
  RSA211102  Mitella pentandra William J. Ferlatte 1967-7-9 686 Siskiyou Kidd Creek Trail. Trinity Alps. 1677 Comment
  CAS-BOT-BC433070  Mitella trifida Gilbert Muth 1965-8-18 s.n. Siskiyou Trail behind Blk. Mt. Comment
  RSA238328  Mitella trifida Frederick W. Oettinger 1969-8-12 1346 Siskiyou Below Abbotts Lower Cabin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1189 Comment
  CDA30920  Mollugo verticillata M. Beyers, G. F. Hrusa 2010-8-18 696 Siskiyou Highway 96; Sluice Box Klamath River Access. 556 Comment
  RSA183457  Monardella odoratissima J. M. Tucker 1963-8-19 3785 Siskiyou headwaters of Canyon Creek, Marble Mtn Wilderness Area 1921 Comment
  JEPS84084  Monardella odoratissima subsp. glauca L. R. Heckard with J. Hickman et al. 1986-7-17 6515 Siskiyou N slope Condrey Mt. 1960 Comment
  UC2035944  Monardella odoratissima subsp. glauca W. Bridge Cooke 1940-7-26 15361 Siskiyou Near Black Butte Spring Comment
  UC54605  Monardella odoratissima subsp. glauca H. M. Hall and E. B. Babcock June 1903 4057 Siskiyou Sisson Sierra Nevada Mts., Mt. Shasta, Sisson 1036 Comment
  RSA183662  Monardella odoratissima subsp. glauca Gilbert Muth 1965-8-12 209 Siskiyou Upper meadow, Marble Valley, Marble Mts. Comment
  CAS-BOT-BC222178  Monardella odoratissima subsp. pallida A. A. Heller 1915-8-26 12230 Siskiyou North side of Mt. Eddy 1981 Comment
  HSC69261  Monardella odoratissima subsp. pallida J. O. Sawyer, J. Cole 1980-7-20 3745 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 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
  UC1096813  Monardella odoratissima subsp. pallida H. K. Wagnon 1957-8-11 1702 Siskiyou Mt. Shasta ca. 1 mi W of Military Pass Road, along road to Brewer Creek. Comment
  UCD125198  Monardella purpurea J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3754 Siskiyou Southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2133 Comment
  CHSC67988  Monardella siskiyouensis David Biek 1988-7-13 Siskiyou Junction of Interstate 5 and Hwy. 96, 10 mi N of Yreka. 609 Comment
  HSC30571  Monotropa hypopitys Frederick W. Oettinger 1968-8-7 430 Siskiyou Marble Mountains Wilderness Area. Trail between Diamond Lake and Hancock Lake 2012 Comment
  HSC43026  Monotropa hypopitys J. O. Sawyer, K. T. Stillman 1976-7-2 2798 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  UC166171  Montia linearis Geo. D. Butler 1909-3-14 680 Siskiyou McDutty's upper field near Yreka Comment
  CAS-BOT-BC445208  Montia parvifolia C. L. Hitchcock; J. S. Martin 1939-7-7 5288 Siskiyou Sanger Peak 1780 Comment
  HSC36421  Montia parvifolia J. O. Sawyer 1968-7-10 476 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC100201  Morus alba J. P. Smith, , J. O. Sawyer, & R. J. Cole 2011-5-22 13170 Siskiyou Klamath National Forest, East Fork Campground. 735 Comment
  UCD86502  Muhlenbergia andina R. Tofsrud 1950-7-24 s.n. Siskiyou E. side of Mt. Shasta. Cold Creek. Comment
  CAS-BOT-BC262672  Muhlenbergia asperifolia Geo. D. Butler 1910-8-21 1848 Siskiyou Shasta Valley Comment
  CAS-BOT-BC275338  Muhlenbergia jonesii A. A. Heller 1922-7-16 13719 Siskiyou Near Pilgrim Creek forest nursery, near Mount Shasta Comment
  HSC22176  Muhlenbergia montana J. O. Sawyer 1969-8-4 1881 Siskiyou SE slope above S Sugar Lake 2165 Comment
  UCR21088  Muilla transmontana T. W. Fisher, Earl Oatman, R. E. Orth 1974-6-26 s.n. Siskiyou McIntosh Ranch on the McCloud River near Bartle 1220 Comment
  CHSC106265  Myosotis laxa Lowell Ahart; John Dittes 2010-7-30 16944 Siskiyou On the north side of a water ditch, at the edge of the dry upland, about 80 yards west of the pipe across the Shasta River, about 200 yards east of the East Louie Road Bridge, about 30 yards south of the Shasta River, 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
  UC57351 Image available Nama densa J. G. Lemmon and Mrs. Lemmon 1889-7-28 Siskiyou near Edgewood; ; near Edgewood, Siskiyou Co. Comment
  CHSC4554  Nama lobbii J. E. Bowlin 1967-7-18 41 Siskiyou On roadside, ca. 3.9 mi w of Mount Shasta Ski Bowl. 2133 Comment
  CHSC71876  Nama lobbii Vernon H. Oswald; Lowell Ahart 1998-9-8 9610 Siskiyou USFS 3 ca. 0.8 mi west of Julia Glover Flat, ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir, ca. 2 air mi northwest of Indian Spring Mtn. 1127 Comment
  CAS-BOT-BC516029  Narthecium californicum Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts, 1828 Comment
  HSC60827  Navarretia capillaris Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC86530  Navarretia divaricata D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, N of Haypress Meadows 1372 Comment
  JEPS101669  Navarretia heterandra Dean W. Taylor 1999-6-9 17244 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  UC1112256  Navarretia leucocephala subsp. leucocephala R. C. Bacigalupi with S. Galen Smith 1957-6-27 5979 Siskiyou 4.0 mi s Dorris; Butte Valley 1280 Comment
  JEPS81653  Navarretia leucocephala subsp. minima L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2298 Siskiyou on US Hwy 97 0.8 mi s Bray junction; Murphy Wells 1493 Comment
  UC164096  Navarretia tagetina Geo. D. Butler 1910-7-20 1730 Siskiyou Goosenest foothills Goosenest 1524 Comment
  POM216191  Nemophila heterophylla Louis C. Wheeler 1935-6-1 3538 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Yreka Creek. 854 Comment
  UCSC000576  Nemophila parviflora I. J. Condit 2011-7-3 s.n. Siskiyou Shasta Retreat, Bank of Sacramento River Comment
  POM73769  Nemophila pedunculata Geo. D. Butler 1910-5-7 1302 Siskiyou Fields near Yreka. Comment
  HSC67574  Nicotiana acuminata var. multiflora J. P. Smith, Steve Selva 1970-7-17 4430 Siskiyou Along Klamath River Comment
  JEPS81664  Nicotiana attenuata L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2293 Siskiyou 0.2 mi n U.S. Highway 97 junction with Yreka road (along U.S. Highway 97, n of Mt Shasta) Comment
  UCR131625  Nicotiana quadrivalvis L. C. Wheeler 1934-9-17 3273 Siskiyou Siskiyou Mtns., Dutch Creek off Klamath River 701 Comment
  CAS-BOT-BC60573  Noccaea fendleri subsp. glauca A. A. Heller 1915-7-15 12083 Siskiyou Mount Eddy. 2072 Comment
  POM143809  Noccaea fendleri subsp. glauca E. B. Copeland 1903-8-18 3905 Siskiyou Mt Eddy. Comment
  HSC48295  Nothochelone nemorosa Ken Stillman, J. O. Sawyer 1978-7-6 1034 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  JEPS11223  Nothochelone nemorosa Joseph P. Tracy 1935-8-1 14420 Siskiyou 1 mi ne of Summit Mine (3 mi se of Salmon Summit, Head of Knownothing Creek); Knownothing Creek 1767 Comment
  RSA0013865  Nuphar lutea subsp. polysepala Geo D. Butler 1910-7-8 1667 Siskiyou Log Lake, Shackleford Creek. 1220 Comment
  CAS-BOT-BC140350  Oemleria cerasiformis A. M. Vollmer; L. Beane 1951-6-2 88 Siskiyou Happy Camp, Klamath River Highway Comment
  HSC41047  Oemleria cerasiformis J. O. Sawyer 1970-3-4 2066 Siskiyou N of Idlewild Campground 762 Comment
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Mar 12 2012
  HSC4912  Oreostemma alpigenum var. andersonii J. O. Sawyer 1968-7-23 564 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  UC1222992  Oreostemma alpigenum var. andersonii Joseph P. Tracy 1949-9-16 18571 Siskiyou on the road between Callahan and Trinity Center Scott Mountain 1615 Comment
  UC139217  Orobanche fasciculata R. M. Austin Aug 1878 251 Siskiyou Mount Eddy. Comment
  UC1333300  Orthilia secunda Dorothy Parker 1949-6-26 Siskiyou Etna Creek, Salmon Mountains Range 1207 Comment
  CAS-BOT-BC458085  Orthilia secunda Doris K. Kildale 1928-7-4 5477 Siskiyou 3 miles W of Summit of divide between Sawyers Bar and Etna Mills Comment
  CHSC1813  Orthocarpus cuspidatus subsp. copelandii K. Jaekel 1932-6-26 Siskiyou Mt. Eddy. 1219 Comment
  CHSC20419  Orthocarpus cuspidatus subsp. copelandii L. M. Mayer 1974-7-1 308 Siskiyou Along ridgetop, se of Shadow Lake. Marble Mountain Primitive Area. Comment
  UCR101775  Orthocarpus cuspidatus subsp. copelandii L. C. Wheeler 1958-8-21 7412 Siskiyou Siskiyou Mountains, Lily Pad Lake, head W Fork Seiad Creek 1820 Comment
  SFV3406  Orthocarpus cuspidatus subsp. copelandii J. M. Tucker, L. K. Mann 1963-8-17 3741 Siskiyou Marble Mountain Wilderness Area. Beside trail from Red Rock Valley to top of ridge to south, and near top of ridge. 1860 Comment
  JEPS84027  Orthocarpus cuspidatus subsp. cuspidatus L. R. Heckard with J. Hickman et al. 1986-7-17 6498 Siskiyou ca 14.5 mi from Hwy 96 (Walker) near Dry Lake (Oak Knoll Ranger Station road to Condrey Mt.); near Dry Lake, road to Condrey Mt. 2000 Comment
  JEPS9403  Orthocarpus cuspidatus subsp. cuspidatus Geo. D. Butler 1910-7-8 1680 Siskiyou Shackelford Creek 1371 Comment
  UC1475691  Orthocarpus cuspidatus subsp. cuspidatus Overton, Butler 1979-8-8 13049 Siskiyou close to the town Klamath River (near Windy Camp); Condrey Mt. Quad. 2043 Comment
  SEINET13756769  Orthocarpus cuspidatus subsp. cuspidatus G. D. Butler 1910-6-19 1584 Siskiyou Goosenet foothills 1524 Comment
  CAS-BOT-BC266626  Orthocarpus pachystachyus L. E. Smith 1913-5-18 267 Siskiyou Gazelle Comment
  HSC38448  Osmorhiza berteroi Maralyn A. Renner 1980-6-26 1214 Siskiyou SE edge of Flint Valley. 1390 Comment
  UC1034599  Osmorhiza berteroi Douglas Barbe 1955-6-30 58 Siskiyou 0.7 mi nw Forest Glen; Klamath Mountains, Etna 944 Comment
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Jul 23 2013
  HSC76995  Osmorhiza occidentalis K. T. Stillman 1976-8-7 184 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  SEINET11141888  Osmorhiza occidentalis G. D. Butler 1910-7-7 1668 Siskiyou Shackleford Creek. 1219 Comment
  RSA261379  Osmorhiza purpurea J. M. Tucker, L. Mann 1963-7-5 3700 Siskiyou On Blake s Fork of South Russian Creek (a tributary of Salmon River), ca 7 air miles east of Sawyer s Bar, Salmon Mountains 1616 Comment
  CHSC1340  Oxyria digyna E. Willits 1943-8-11 Siskiyou Marble Mountains. 1828 Comment
  UCD77995  Packera cana Robert E. Preston 2001-7-21 1736 Siskiyou Klamath National Forest, Rainbow Mountain, T42N R1W se 1/4 of ne 1/4 Section 22 2194 Comment
  CAS-BOT-BC316759  Packera cana Elmer Ivan Applegate 9477 Siskiyou Thomas massacre area, Lava Beds national Monument Comment
  HSC61727  Paeonia brownii Ruby Van Deventer 18 Aug [year missing] Siskiyou Perk's Pasture Comment
  CAS-BOT-BC253768  Panicum capillare R. E. Frenkel 1964-10-2 880 Siskiyou On Everitt Memorial Highway 1.0 mile N of McCloud River RR crossing, near Mount Shasta 1219 Comment
  UC196954  Panicum capillare Geo. D. Butler 1910-8-13 1833 Siskiyou Quartz Valley Comment
  CAS-BOT-BC175511  Parnassia fimbriata Gilbert J. Muth 1969-8-11 1361 Siskiyou Slope beneath high point of ridge s. of Boulder Peak Comment
  UCD107446  Parnassia fimbriata J. M. Tucker; L. K. Mann, and S. L. Holloway 1963-8-18 3745 Siskiyou Upper Canyon Creek, ca. 1/2 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area. 1920 Comment
  HSC19160  Parnassia palustris J. O. Sawyer 1969-8-17 1973 Siskiyou West of Little Duck Lake. 2073 Comment
  CAS-BOT-BC202853  Paxistima myrsinites Doris K. Kildale 1929-7-21 8740 Siskiyou Elk Lick, south fork Indian Creek 1219 Comment
  CAS-BOT-BC202862  Paxistima myrsinites Wm. F. Herrin 1918-5-15 s.n. Siskiyou Shasta Springs Comment
  SBBG4075  Paxistima myrsinites H. and M. Dearing 1939-7-2 3802 Siskiyou Salmon Mtn 1828 Comment
  UC1071573  Paxistima myrsinites H. S. Yates 1936-6-21 5828 Siskiyou n. base Wintoon butte; Dunsmuir Quad. Comment
  UC133560  Paxistima myrsinites A. A. Heller 1905-6-5 7976 Siskiyou between Shasta Retreat Shasta Springs Comment
  UC1490299  Paxistima myrsinites Rolf Y. Berg 1980-6-24 Siskiyou 0.5 mi. below Castle Lake (Castle Lake Rd. w. of Dunsmuir) Comment
  UC484054  Paxistima myrsinites Carl B. Wolf 1930-10-22 Siskiyou 3 mi. s. Mt. Shasta City 1066 Comment
  CAS-BOT-BC228584  Pedicularis densiflora Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-18 1924 Siskiyou The Eddys Region, Shasta-Trinity National Forest. Gumboot Lake, headwaters of the Sacramento River 1836 Comment
  HSC61870  Pedicularis howellii Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC4830  Pedicularis racemosa J. O. Sawyer 1968-9-10 677 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  CHSC62  Pellaea brachyptera V. Holt 1932-7-19 Siskiyou Spring Hill. 1219 Comment
  CAS-BOT-BC67724  Pellaea brachyptera Wm. Bridge Cooke 1938-6-17 11036 Siskiyou Mount Shasta - along the Sison Southern Trail on a lava flow outcropping. 1371 Comment
  JEPS7202  Penstemon anguineus W. L. Jepson 1907-7-9 2860 Siskiyou s Preston Peak (near Cottage Grove, on Klamath River, Western Siskiyou Mts., western Siskiyou County); Klamath Range, western Siskiyou Mts., Klamath River Comment
  JEPS47721  Penstemon cinereus W. B. and V. G. Cooke 1966-7-16 37215 Siskiyou above Bolam Station (along old logging road); Mt. Shasta 1524 Comment
  CAS-BOT-BC265384  Penstemon davidsonii var. davidsonii Louis C. Wheeler 1934-8-5 3044 Siskiyou Condrey Mountain 2164 Comment
  RSA238830  Penstemon deustus Frederick W. Oettinger 1968-8-15 524 Siskiyou East of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness. 1936 Comment
  JEPS45938  Penstemon gracilentus Rimo Bacigalupi and L. R. Heckard 1966-6-20 9183 Siskiyou along upper part Bolam Logging Road (n side of Mt. Shasta); , along Bolam logging Road 1676 Comment
  UC690305  Penstemon gracilentus Elmer I. Applegate 1923-8-17 3831 Siskiyou about 10 mi nw Medicine Lake; nw of Medicine Lake Comment
  UC727354  Penstemon gracilentus Elmer I. Applegate 1923-8-17 3831 Siskiyou about 10 mi nw Medicine Lake; nw of Medicine Lake Comment
  POM14639  Penstemon gracilentus E. B. Copeland 1903-7-17 3508 Siskiyou Mt. Shasta. Comment
  UCR47887  Penstemon heterodoxus 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
  JEPS100297  Penstemon heterodoxus var. shastensis Dean W. Taylor 2001-8-28 17905 Siskiyou Mt. Shasta; Ski Park Highway 0.7 miles north from Highway 89 at Snowmans Hill Summit 1417 Comment
  CHSC9505  Penstemon heterophyllus J. F. Goodwin 1971-7-3 142 Siskiyou South side of road with low shrubbery, 9.5 mi. south of Mt. Shasta Ski Bowl area. 1432 Comment
  NY603842  Penstemon humilis var. humilis E. I. Applegate 1931-6-24 6804 Siskiyou Between Bear Paw Cave, Modoc Lava Beds, and Medicine Lake Comment
  HSC45192  Penstemon laetus subsp. sagittatus J. O. Sawyer, E. Cope 1977-6-18 2924 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  HSC60832  Penstemon laetus subsp. sagittatus Ruby Van Deventer 1960-7-8 Siskiyou Bell Echo (Bell Echo Camp), in Youngs Valley Comment
  HSC61874  Penstemon laetus subsp. sagittatus Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  HSC72440  Penstemon laetus subsp. sagittatus J. P. Smith, Steve Selva 1970-7-15 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  HSC21016  Penstemon laetus subsp. sagittatus R. C. Wunner 1965-7-13 389 Siskiyou 0.2 mi. on Dragon Head Rd. 1372 Comment
  NY604579  Penstemon laetus var. sagittatus D. D. Keck 1940-6-13 5170 Siskiyou Weed, north side of town on Route 97. Observed to be ± continous to within 4 miles of Grass Lake. Comment
  CHSC26183  Penstemon newberryi J. P. Kroessing 1977-8-5 54 Siskiyou Ca 13 km e on Everitt Memorial Hwy, ca 12 km ssw of Mt Shasta Peak. 1660 Comment
  CHSC4530  Penstemon newberryi J. E. Bowlin 1967-7-16 39 Siskiyou On roadside, ca. 8.5 mi w of Mount Shasta Ski Bowl. 1554 Comment
  SEINET270928  Penstemon newberryi Richard J. Shaw 1963-6-10 1293 Siskiyou Old highway 99 2 miles south of Weed. Comment
  POM14640  Penstemon newberryi subsp. newberryi E. B. Copeland 1903-7-17 3510 Siskiyou Mt. Shasta 1829 Comment
  HSC69343  Penstemon newberryi var. berryi Maralyn A. Renner 1980-9-9 2762 Siskiyou Medicine Mtn., ridge to SW 2058 Comment
  JEPS74427  Penstemon newberryi var. berryi W. J. Ferlatte 1966-7-7 194 Siskiyou Caribou Basin 1981 Comment
  UC1408763  Penstemon newberryi var. berryi Frederick W. Oettinger and R. F. Thorne 1969-8-5 1219 Siskiyou N side of Crapo View Gap, along English Lake trail Salmon Mountains, Western Siskiyou Co., Marble Mountains Wil (vicinity of English Peak) Comment
  UC887197  Penstemon newberryi var. newberryi Alice Eastwood 1912-7-19 1230 Siskiyou Mount Shasta Comment
  HSC19164  Penstemon parvulus J. O. Sawyer 1969-8-5 1948 Siskiyou Along S Sugar Creek 1921 Comment
  SEINET4677812  Penstemon parvulus M. S. Taylor 1980-7-8 3114 Siskiyou Dunsmuir quad; Shasta-Trinity National Forest; on ridge S of Castle Lake, above Hearts Lake.; 0 2017 Comment
  SEINET12291363  Penstemon procerus H. P. Chandler 1901-1 1639 Siskiyou near Marble Mtn 2134 Comment
  NY638946  Penstemon procerus var. brachyanthus I. L. Wiggins 1955-7-27 13526 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042.2 Comment
  UC163815  Penstemon roezlii Geo. D. Butler 1901-6-23 1601 Siskiyou Yreka Creek Comment
  RSA44887  Penstemon roezlii J. C. Roos 1948-9-2 3947 Siskiyou 6 miles SW of Yreka. Comment
  UC722171  Penstemon rupicola C. L. Hitchcock, J. S. Martin 1939-7-7 5292 Siskiyou Sanger Peak Comment
  HSC43848  Penstemon speciosus Maralyn O'Meara 1974-5-27 482 Siskiyou Along FS Rd. 47N03 1280 Comment
  JEPS23799  Penstemon speciosus Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7208 Siskiyou at broadening base of Mt. Shasta 1676 Comment
  UC532167  Penstemon speciosus Isabelle C. Kimber 1934-6-9 1 Siskiyou n slope Mt. Shasta 1219 Comment
  RSA189808  Penstemon speciosus Noel Holmgren, James L. Reveal 1966-6-9 2677 Siskiyou US 97, Shasta Valley, 4 mi. north of Weed. 1159 Comment
  UC727350  Penstemon speciosus Elmer I. Applegate 1931-6-24 6805 Siskiyou between Bear Paw Cave, Modoc Lava Beds and Medicine Lake; btw Bear Paw Cave, Modoc Lava Beds and Medicine Lake Comment
  UCSB21264  Penstemon speciosus Bell, David 1966-6-21 Siskiyou East side of U.S. Hwy. 97, 14 miles NE of Weed 1371 Comment
  RSA237660  Perideridia howellii Frederick W. Oettinger 1969-8-18 1430 Siskiyou Due NW of Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  CAS-BOT-BC540701  Perideridia leptocarpa Dana York 2012-7-21 3130 Siskiyou Siskiyou Mountains: Rogue River, Siskiyou National Forest, ridge above Echo Lake 1790 Comment
  JEPS121603  Perideridia parishii 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
  JEPS121652  Perideridia parishii Kendra Sikes 2011-9-12 Siskiyou Sundew Fen, Caldwell Lakes Basin, headwaters of Park Creek, east slope of China Mountain. Sloping fen, SE aspect, over gabbro. China Mountain quadrangle. CLS_1A Comment
  HSC79093  Persicaria amphibia Paul Wilson 1984-8-29 360 Siskiyou Juanita Lake Reservoir, next to lake edge 1555 Comment
  HSC17506  Persicaria lapathifolia Geo. D. Butler 1908-7-8 191 Siskiyou Butler's Ranch. near Yreka Comment
  UC60932  Petasites frigidus var. palmatus Geo. B. Grant Sep 1902 5253 Siskiyou Shasta Springs Mount Shast 609 Comment
  HSC68417  Phacelia corymbosa Maralyn A. Renner 1980-6-9 839 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  POM65428  Phacelia corymbosa E. B. Copeland 1903-8-18 3831 Siskiyou Mt. Eddy. Comment
  UC164111  Phacelia egena Geo. D. Butler 1910-5-17 1356 Siskiyou near Yreka Comment
  HSC43871  Phacelia greenei Jennifer Whipple 1977-4-30 1885 Siskiyou 915 Comment
  RSA30625  Phacelia heterophylla subsp. virgata Lincoln Constance, R. C. Rollins 1942-5-14 2927 Siskiyou Shasta River, 4 miles north of Yreka. 762 Comment
  HSC62461  Phacelia leonis Ruby Van Deventer 1938-7-31 Siskiyou Twin Valley Comment
  OBI13758  Phacelia leonis Unknown 1960-7-20 3691 Siskiyou Twin Valley, ca. 5 mi SW of Poker Flat, Siskiyou Mtns 1554 Comment
  UC536685  Phacelia linearis D. H. Johnson and F. G. Palmer 1935-5-16 Siskiyou caves 11 mi ne Weed 1097 Comment
  JEPS2030  Phacelia mutabilis Willis L. Jepson 1894-8-4 21040 Siskiyou Horse Camp Comment
  JEPS25595  Phacelia mutabilis Rimo Bacigalupi 1959-7-2 7227 Siskiyou near north base of Caribou Mtn. (just s of low divide (Trinity Co. boundary) separating Coffee Creek drainage from that of the Salmon River, headwaters of river); South Fork of the Salmon River, Big Flat Campground 1508 Comment
  JEPS25833  Phacelia mutabilis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-19 7447 Siskiyou about 12 mi by air nw Happy Camp; Siskiyou Mts. Poker Flat 1524 Comment
  UC1426027  Phacelia mutabilis Frederick W. Oettinger 1968-8-16 546 Siskiyou on mountain due n Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area, High Lake 1981 Comment
  UC221581  Phacelia mutabilis Dr. Edward Palmer Jul 13 1892-Jul 27 1892 2444 Siskiyou Mt. Shasta and vicinity Comment
  UC794430  Phacelia mutabilis W. Bridge Cooke 1949-8-26 25655 Siskiyou old logging rd above Bolam Station; Mount Shasta Comment
  POM65547  Phacelia mutabilis E. B. Copeland 1903-8-16 3920 Siskiyou Mt. Shasta. Comment
  RSA238758  Phacelia mutabilis Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1208 Siskiyou Trail through Willow Springs between Abbotts Upper Cabin and English Lake. The High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1677 Comment
  CDA21190  Phacelia pringlei Ogden 2007-5-23 PDR 1365288 Siskiyou Northern California; McDonald Lane in Weed. 0 Comment
  HSC49932  Phacelia pringlei G. L. Clifton, Ground 1978-7-2 1810 Siskiyou Near Scott Mtn. Summit 1705 Comment
  RSA120315  Phacelia pringlei S. S. Tillett 1956-7-9 647 Siskiyou South slope of Scott Mountain, Siskiyou-Trinity County line, ca. 8 miles southeast of Callahan. 1951 Comment
  RSA120902  Phacelia pringlei Milo S. Baker 1957-6-16 13152 Siskiyou Trip to Scott Mt. after turn off near Callahan. Comment
  JEPS107962  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
  RSA715804  Phacelia ramosissima var. ramosissima L. Ahart, John Dittes 2005-6-10 12084 Siskiyou About 50 yards southeast of the pump house along the Shasta River, about 1.9 air miles south of Highway 99/97 cutoff, about 6 air miles ESE of Grenada. 777 Comment
  CAS-BOT-BC77430  Philadelphus lewisii H. A. Thomas; J. H. Thomas 1954-7-22 4443 Siskiyou Salmon-Trinity Mts., about 6 miles SE of Cecilville; between Rush and Big Bend Creeks, 975 Comment
  CAS-BOT-BC77435  Philadelphus lewisii Lewis S. Rose 1945-6-18 45078 Siskiyou Horse Creek & Klamath River 502 Comment
  RSA0097452  Philadelphus lewisii M. B. Dunkle 1944-7-14 9088 Siskiyou Siskiyou National Forest, Sierra Nevada Mountains. 1767 Comment
  UCD161718  Philadelphus lewisii J. P. Smith; Steve Selva 1970-6-14 3890 Siskiyou Siskiyou County. 1 mile east of Steinacher Creek Road, on road to Forks of Salmon. Comment
  CHSC69102  Phleum alpinum Vernon Oswald; Lowell Ahart 1997-7-28 8788 Siskiyou Southeast of Medicine Lake on road 43N54 at a meadow 0.6 mi southeast of Paynes Springs. 1920 Comment
  HSC58858  Phleum alpinum Marvin Butler 1971-7-19 284 Siskiyou Near Mary's Meadow, close to the town of Cave Junction. 1464 Comment
  JEPS82419  Phleum alpinum Gilbert Muth 1966-8-1 488 Siskiyou Marble Valley horse pasture Marble Mt. Wilderness Area; , Marble Valley horse pasture 1792 Comment
  RSA211245  Phleum alpinum William J. Ferlatte 1967-8-23 1110 Siskiyou Kidd Creek Trail. Trinity Alps. 2134 Comment
  SEINET10954464  Phleum alpinum H. E. Brown 1897-6-11 Brown 445 Siskiyou north side Mt. Shasta 1524 Comment
  HSC31132  Phlox adsurgens J. O. Sawyer 1971-8-20 2461 Siskiyou Near Huckleberry Mtn. 1829 Comment
  HSC36671  Phlox adsurgens Brent Whitely 1975-6-28 Siskiyou 915 Comment
  RSA495514  Phlox adsurgens Elaine Joyal, D. Mehlman 1988-6-25 1275 Siskiyou Happy Camp - Takilma road at turn-off to Bolan Lake 1524 Comment
  HSC30427  Phlox austromontana Frederick W. Oettinger 1969-7-10 964 Siskiyou Marble Mtn. Wilderness Area, S of Upper English Lake 1921 Comment
  UC643264  Phlox caespitosa unknown 1940-6-6 15050 Siskiyou along the Castle Lake Road Comment
  HSC40274  Phlox diffusa J. D. Ackerman, A. M. Montalvo 1975-7-18 580 Siskiyou Gumboat Lake Comment
  POM230548  Phlox diffusa subsp. diffusa J. T. Howell 1937-7-24 13406 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  UC722469  Phlox speciosa C. L. Hitchcock and J. S. Martin 1939-7-7 5272 Siskiyou 1 mi s Camp Chicago (Sanger Peak Trail, ca 12 mi s of Takilma, Oregon); Siskiyou Mts. 1432 Comment
  JEPS26563  Phlox speciosa subsp. occidentalis Lauramay T. Dempster 1961-7-3 1872 Siskiyou se of Callahan (w face of Scott Mountain); Scott Mountain Comment
  JEPS69987  Phlox speciosa subsp. occidentalis Geo. D. Butler 1909-4-13 650 Siskiyou near Yreka Comment
  POM253610  Phlox speciosa subsp. occidentalis C. L. Hitchcock, J. S. Martin 1939-7-7 5272 Siskiyou Sanger Peak Trail. 1 mile S of Camp Chicago. Siskiyou Mtns ca 12 miles S of Takilma, Orgeon. 1433 Comment
  CHSC96441  Phyllodoce empetriformis Gordon Leppig; T. LaBanca, L. Arguello 1997-6-27 496 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
  HSC19153  Phyllodoce empetriformis J. O. Sawyer 1969-7-2 995 Siskiyou Shore of Paynes Lake 1982 Comment
  JEPS66672  Phyllodoce empetriformis Willis L. Jepson 1894-8-4 Siskiyou Mount Shasta, Horse Camp Horse Camp; Region of the Upper Sacramento, Mount Shasta, Horse Camp Comment
  RSA233664  Phyllodoce empetriformis R. F. Thorne, Frederick W. Oettinger, K. Thorne 1969-8-10 39002 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  RSA761681  Phyllodoce empetriformis R. F. Thorne, Frederick W. Oettinger 1969-8-4 63364 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 2097 Comment
  CAS-BOT-BC64869  Physaria occidentalis subsp. occidentalis R. C. Wenk 2005-7-19 331 Siskiyou Along the Pacific Crest Trail, near top of Pass below Mount Eddy. 2440 Comment
  CAS-BOT-BC140599  Physocarpus capitatus Doris K. Kildale 1928-7-25 5911 Siskiyou Klamath River at Mack's Creek near Hamburg Comment
  UCSB24685  Physocarpus capitatus Favero, R. 1968-5-16 Siskiyou 13 miles from Somes Bar bridge toward Happy Camp, Salmon Mountains 487 Comment
  CAS-BOT-BC78171  Picea breweriana G. D. Hanna; Salem Rice 1952-10-17 s.n. Siskiyou Sanger Lake Comment
  HSC29672  Picea breweriana Frederick W. Oettinger 1968-8-13 506 Siskiyou Marble Mtn. Wilderness Area, cliffs above Hell Hole near Hancock Lake 1936 Comment
  JEPS48369  Picea breweriana W. L. Jepson 1907-7-19 2949 Siskiyou Head of Indian Creek Siskiyou Mts., Head of Indian Creek Comment
  JEPS83900  Picea breweriana Stephen K. Langer with Charles S. Rand 1988-6-21 Siskiyou 6 mi e Cook and Green Pass (on nw slope of White Mountain); White Mountain Comment
  LA86569  Picea breweriana J. M. Tucker; 1963-7-5 3698 Siskiyou Blake's Fork of S Russian Creek (a tributary of Salmon River), ca. 7 mi (airline) E of Sawyer's Bar 1615 Comment
  NY30478  Picea breweriana F. M. Ownbey 1940-7-6 2205 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA6531  Picea breweriana Elmer I. Applegate 1930-8-9 6600 Siskiyou Fruit Mountain, Siskiyou Mountains, Headwaters of Applegate River. Comment
  CAS-BOT-BC78181  Picea breweriana Jim Young 1962-11-10 s.n. Siskiyou Sugar Creek 1524 Comment
  NY30480  Picea breweriana A. Bell 1963-8-17 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA593941  Picea breweriana L. C. Wheeler 1963-9-3 8347 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
  UC1061686  Picea breweriana Frank A. Graham 1924-10-1 Siskiyou 1 mi e Salmon Summit Mine (headwaters of creek); Knownothing Creek 1767 Comment
  HSC19111  Pinus albicaulis J. O. Sawyer 1969-7-10 1297 Siskiyou Ridges E of Russian Peak 2256 Comment
  CAS-BOT-BC78328  Pinus attenuata Ira L. Wiggins 1955-7-24 13485 Siskiyou Ridge betw. upper reaches of China Creek and Blind Horse Creek 1463 Comment
  UCD70114  Pinus attenuata D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-McCloud close to Snowmans Hill. 1650 Comment
  UC1402324  Pinus attenuata H. Bowerman 1942-11-7 8676 A Siskiyou Siskiyou National Forest; e slope of ridge Comment
  CAS-BOT-BC73311  Pinus balfouriana Edna Kelsey 1961-8-1 s.n. Siskiyou Summit of Marble Mt., Marble Mts. Comment
  HSC103159  Pinus balfouriana subsp. balfouriana Michael Kauffmann 2013-8-7 19 Siskiyou South China Mountain 2395 Comment
  UC55648  Pinus contorta subsp. murrayana Harley P. Chandler 1901-6-1 1575 Siskiyou ridges and meadows near Marble Mountain (Klamath River to Marble Mountain); North Coast Ranges 1828 Comment
  HSC36761  Pinus jeffreyi J. P. Smith 1974-5-25 7397 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  JEPS46822  Pinus lambertiana W. L. Jepson 1907-7-22 Siskiyou from Scott Bar to Scott Valley (Miamber Trail); Miamber Trail Comment
  RSA624393  Pinus lambertiana L. C. Wheeler 1952-9-17 6937 Siskiyou Unspecified. Comment
  MACF017437  Pinus monticola Trudy R. Ericson 1974-8-9 225 Siskiyou Hwy 33 between Cecilville and Callahan, approx. 9.4 mi. west of intersection of forest hwy and Ca. 33 Comment
  LA6146  Pinus ponderosa W. B. C.; 1939-7-26 13789 Siskiyou Mount Shasta, along the Sisson Southern Trail 1676 Comment
  UC618741  Pinus ponderosa unknown 1938-9-2 11597 Siskiyou Sisson Southern Trail Mount Shasta (Transition zone forest and chaparral belts around mountain) 1524 Comment
  JEPS120249  Piperia colemanii Julie Kierstead Nelson 2009-7-8 2009 -018 Siskiyou South slope of Mt. Shasta Comment
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Jul 8 2014
  RSA211308  Piperia unalascensis William J. Ferlatte 1967-7-26 742 Siskiyou Caribou Basin. Ridge west of Big Caribou Lake. Steep slope with talus and solid rock outcrops. Trinity Alps. 2134 Comment
  HSC40752  Pityopus californicus Ed Cope 1977-7-16 130 Siskiyou Marble Mountain Wilderness Area. 2 1/2 mi. from beginning (at Lick Creek) on Johnson's Hunting Grounds Trail. Bulk Collection 114 1707 Comment
  UC164105  Plagiobothrys nothofulvus Geo. D. Butler 1909-4-4 585 Siskiyou near Yreka Comment
  JEPS6469  Plantago eriopoda Rimo Bacigalupi and G. T. Robbins 1954-8-13 4802 Siskiyou 1.9 mi s Gazelle; Shasta Valley 853 Comment
  RSA237557  Plantago lanceolata Frederick W. Oettinger 1968-9-6 737 Siskiyou Along English Peak - Hancock Lake trail on SE-facing gradual slope of Crapo Peak ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2188 Comment
  RSA237615  Plantago lanceolata Frederick W. Oettinger 1967-8-3 239 Siskiyou Along Hancock Lake trail near the eastern most campsite along NW side of the Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  SBBG25937  Platanthera dilatata var. leucostachys D. Myrick 1966-8-8 1491 Siskiyou rd to Carter Ranch Mtn Meadow Ranch, Big Flat 1584 Comment
  HSC35287  Platanthera sparsiflora A. Montalvo, J. D. Ackerman 1974-7-2 354 Siskiyou Along road to Middle Fork Sacramento River and Toad Lake. West of Mt. Shasta City Comment
  HSC97400  Platanthera sparsiflora J. D. Ackerman, A. M. Montalvo 1974-8-17 423 Siskiyou W slope of Preston Peak, ca. .5 mi. N of Rattlesnake Meadow 1646 Comment
  SEINET3162860  Plectritis G. D. Butler 1910-3-24 1139 Siskiyou Shasta River Hills Comment
  POM208361  Plectritis congesta subsp. brachystemon Louis C. Wheeler 1934-6-4 2632 Siskiyou Hamburg Gulch off Horse Creek. (Mt. Diablo Mer.) Siskiyou Mts. 610 Comment
  UC416751  Plectritis macrocera F. N. Hooper 20 Siskiyou Little Shasta 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
  RSA240083  Pleuricospora fimbriolata Frederick W. Oettinger 1969-8-23 1514 Siskiyou On hill above Smith Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA184792  Poa Gilbert Muth 1966-7-17 403 Siskiyou Trail to lookout, Marble Mts. 1829 Comment
  CAS-BOT-BC254616  Poa X limosa David D. Keck 1949-7-19 6343 Siskiyou 2 miles S of Grenada, long RR right-of-way 777 Comment
  UC166234  Poa bolanderi Geo. D. Butler 1910-7-12 1747 Siskiyou Shackleford Creek 1371 Comment
  CAS-BOT-BC254785  Poa bolanderi 1955-7-17 218 Siskiyou Cold Spring Camp, around the spring 1889 Comment
  UC1212590  Poa bolanderi Francia Chisaki and Helen Sharsmith 1959-8-20 4733 Siskiyou divide between Scott River and East Fork Salmon River Carrigher's Summit; Inner N coast Ranges 1981 Comment
  CAS-BOT-BC255001  Poa bulbosa L. E. Smith 1915-5-1 s.n. Siskiyou Yreka Comment
  UC820697  Poa bulbosa Louis C. Wheeler 1935-6-1 3536 Siskiyou Yreka Creek; Siskiyou Mts 853 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
  RSA239031  Poa cusickii subsp. epilis Frederick W. Oettinger 1969-9-2 1605 Siskiyou On north side of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  SEINET10508792  Poa fibrata Louis C. Wheeler 1935-6-30 Wheeler 3629 Siskiyou Dry subsaline adobe flat, 3 mi. S. Grenada, Shasta Valley. 792 Comment
  HSC76674  Poa glauca subsp. rupicola K. T. Stillman 1976-7-21 281 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  CAS-BOT-BC247010  Poa nervosa Douglas Barbe 1955-8-1 331 Siskiyou Summit, Mt. Bolivar, Scott Mts. 2468 Comment
  RSA239032  Poa nervosa Frederick W. Oettinger 1969-9-4 1666 Siskiyou south side of Tobacco Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  JEPS82443  Poa pratensis subsp. pratensis Gilbert Muth 1966-7-19 428 Siskiyou along first bluff Marble Gap Trail; Marble Mt Wilderness Area 1828 Comment
  UC1535350  Poa pratensis subsp. pratensis W. J. Ferlatte 1987-5-22 2106 Siskiyou between Siskiyou Blvd and S.P.R.R. Grenada (2 mi s of intersection of Hwy A-12 and Siskiyou Blvd, 10-30' s of Truttman Lane); Yreka Quadrangle 783 Comment
  JEPS25572  Poa pringlei Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7197 Siskiyou near head of ski lift above Mt Shasta Ski Bowl Lodge; Mt Shasta 2834 Comment
  UCD39886  Poa pringlei R. Tofsrud 1948-8-1 s.n. Siskiyou Panther Meadow, Mt. Shasta. 2438 Comment
  UCD91769  Poa pringlei A. H. Murphy 1959-7-22 59 L Siskiyou Shasta National Forest. Summit between Bear Creek and Toad Lake. 2346 Comment
  CAS-BOT-BC255012  Poa secunda K. T. Stillman 1976-8-7 174 Siskiyou Marble Mountain Wilderness Area 2072 Comment
  RSA239018  Poa secunda Frederick W. Oettinger 1969-9-2 1594 Siskiyou north side of English Peak. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  RSA484241  Poa secunda Christopher Davidson 1975-6-5 2657 Siskiyou Just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  CHSC86619  Poa secunda subsp. secunda Jenny Marr 1993-7-1 2 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC30659  Poa secunda subsp. secunda Frederick W. Oettinger 1968-9-1 642 Siskiyou Salmon Mountains, at the base of Abbotts Lake. 1799 Comment
  HSC63243  Poa secunda subsp. secunda M. A. Baker 1979-7-30 1072 Siskiyou E facing rock slope. 2200 Comment
  UC1265444  Poa secunda subsp. secunda Frederick W. Oettinger 1969-8-6 1223 Siskiyou s side Pine Lake; Salmon Mts, High Lake Basins, Harvey Monroe Hall Natural Are 1950 Comment
  UC163837  Polemonium californicum Geo. D. Butler 1910-7-9 1717 Siskiyou Marble Mountain 1828 Comment
  UC449766  Polemonium occidentale J. W. Congdon 1900-8-9 Siskiyou Sissons , Sissons (Shasta Region) Comment
  UC602587  Polemonium pulcherrimum W. Bridge Cooke 1938-7-28 11376 Siskiyou Mt. Shasta 2895 Comment
  POM278329  Polygala californica Lyman Benson 1933-8-9 5679 Siskiyou U.S. 99, Mt. Shasta City, Cascade Mountain range, Sacramento River watershed 915 Comment
  UCD109698  Polygala californica Beecher Crampton 1956-8-21 3846 Siskiyou just above junction of thenorth [sic] Fork with middle and south Forks. 1066 Comment
  SEINET12203957  Polygala cornuta M. Ownbey, Meyer, F. G. 1940-1 2164 Siskiyou 7 mi NW of McCloud Comment
  CAS-BOT-BC170337  Polygala cornuta var. cornuta G. B. Grant 1902-9-6 1024 Siskiyou Sisson, N. Cal. 1127 Comment
  POM299532  Polygala cornuta var. cornuta Marion Ownbey, Fred G. Meyer 1940-7-3 2164 Siskiyou 7 mi. northwest of McCloud. Comment
  UC630386  Polygala cornuta var. cornuta Annetta Carter 1939-8-20 1456 Siskiyou 5.5 mi n Dunsmuir 1005 Comment
  UC164404  Polygonum amphibium var. emersum Geo. D. Butler 1908-7-16 193 Siskiyou Klamath River Comment
  UC1408823  Polygonum bistortoides Frederick W. Oettinger 1968-8-8 446 Siskiyou slope dropping down to Upper English Lake (near trail Y to English Peak, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 2164 Comment
  CAS-BOT-BC414393  Polygonum californicum Geo. D. Butler 1908-7-12 192 Siskiyou Near Yreka Comment
  RSA466317A  Polygonum davisiae M. B. Dunkle 1945-8-4 9268 Siskiyou Klamath National Forest, Mrable Mts, Paradise Lake Comment
  CAS-BOT-BC414602  Polygonum douglasii Geo. D. Butler 1910-7-9 1706 Siskiyou Shackleford Creek 1219 Comment
  HSC92997  Polygonum douglasii Jennifer Whipple 1978-10-6 2420 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  JEPS24802  Polygonum douglasii Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6811 Siskiyou about 3 mi nw Weed (head of valley); Shasta Valley 975 Comment
  JEPS25543  Polygonum douglasii Rimo Bacigalupi with Lincoln Constance 1959-6-17 7160 Siskiyou on moraine 4 mi nw Weed (along US Hwy 99, overlooking s end of Shasta Valley) 952 Comment
  CAS-BOT-BC414584  Polygonum douglasii Wm. Bridge Cooke 1941-9-5 16266 Siskiyou At MacBride Springs, Mt. Shasta Comment
  JEPS81905  Polygonum douglasii subsp. spergulariiforme Roger Raiche 1982-10-12 20783 Siskiyou near Yreka; Gunsight Peak 1828 Comment
  UC164039  Polygonum douglasii subsp. spergulariiforme Geo. D. Butler 1910-6-20 1593 Siskiyou Yreka Comment
  UC217425  Polygonum douglasii subsp. spergulariiforme H. M. Hall 1919-10-1 Siskiyou s slope on Oregon hwy Siskiyou Mts. Comment
  CAS-BOT-BC418596  Polygonum minimum Wm. Bridge Cooke 1938-9-8 11658 Siskiyou Mount Shasta. Squaw Creek Meadows Comment
  CAS-BOT-BC418588  Polygonum minimum J. M. Tucker; L. K. Mann 1963-8-17 3743 Siskiyou Beside trail from Red Rock Valley to top of ridge to south, and near top of ridge; Marble Mountain Wilderness Area 1889 Comment
  CDA22836  Polygonum phytolaccifolium T. C. Fuller 1958-6-18 1795 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  JEPS85597  Polygonum polygaloides subsp. confertiflorum W. Robert Powell 1989-7-19 3535 Siskiyou 16 air mi n of Fall River Mills (and 6 air mi w of Day, 1.2 mi e of Spring Creek Road) 1097 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
  HSC27507  Polygonum polygaloides subsp. kelloggii J. P. Smith, J. O. Sawyer 1972-5-27 5357 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  HSC30231  Polygonum polygaloides subsp. kelloggii William J. Ferlatte 1968-6-8 1134 Siskiyou Big Flat, near public camp 1524 Comment
  SBBG21921  Polygonum shastense D. Myrick 1964-7-25 957 Siskiyou above Ski Bowl Lodge on Mt Shasta 2407 Comment
  UC1034047  Polygonum shastense W. Bridge Cooke 1941-9-10 16292 Siskiyou vicinity of Horse Camp Mt. Shasta Comment
  UC572794  Polygonum shastense W. Bridge Cooke 1937-7-28 9157 Siskiyou Mt. Shasta 2590 Comment
  SBBG25881  Polygonum spergulariiforme D. Myrick 1966-8-8 1489 Siskiyou rd to Carter Ranch, Mountain Meadow Ranch, Big Flat 1584 Comment
  HSC17549  Polygonum spergulariiforme Geo. D. Butler 1908-9-6 198 Siskiyou Upper field, Butler's Ranch near Yreka Comment
  CAS-BOT-BC71836  Polypodium californicum Edward Lee 1934-8-13 1056 Siskiyou Indian Creek, 4 miles north of Happy Camp, Klamath National Forest 411 Comment
  JEPS73743  Polypogon monspeliensis George D. Butler 1908-6-27 471 Siskiyou along creek Butler's Ranch near Yreka; Butler's Ranch Comment
  HSC79156  Polystichum imbricans C. J. Thomas 1983-10-1 106 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 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
  CAS-BOT-BC76738  Polystichum imbricans subsp. imbricans Louis C. Wheeler 1945-6-18 45079 Siskiyou Siskiyou Mts. - 2 miles east of White Mt., Mt. Diablo Mer. 1920 Comment
  JEPS24014  Polystichum imbricans subsp. imbricans Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6875 Siskiyou 2 mi w Seiad Valley (in canyon of Portuguese Creek, drainage of Klamath River) 396 Comment
  CAS-BOT-BC72382  Polystichum lemmonii Louis C. Wheeler 1934-8-14 3137 Siskiyou North side White Mt., Siskiyou Mts. 1767 Comment
  CAS-BOT-BC72389  Polystichum lemmonii John Thomas Howell 1937-7-29 13668 Siskiyou North side of Scott Mt. Comment
  CHSC63313  Polystichum lemmonii Vernon H. Oswald; Lowell Ahart 1994-7-11 6404 Siskiyou Gumboot Lake Rd. (40N37) just S of Forest Rd, 26 ( to Mt. Shasta), W of Dunsmuir. 1777 Comment
  HSC34364  Polystichum lemmonii J. P. Smith, J. O. Sawyer 1973-8-14 7308 Siskiyou On trail from Campbell Lake to Cliff Lake 1829 Comment
  RSA693361  Polystichum lemmonii L. C. Wheeler 1934-8-14 3137 Siskiyou North side White Mt. About rocks, dry north slope. 1768 Comment
  UC1481730  Polystichum lemmonii A. Lefebvre Oct 1941 Siskiyou 2 mi e White Mt. Comment
  UC405222  Polystichum lemmonii J. G. Lemmon 1879-7-23 Siskiyou Scott Valley near Shasta Scott Valley Comment
  UCR110585  Polystichum lemmonii L. C. Wheeler 1963-8-25 8272 Siskiyou S side of Preston Peak at the head of Rattlesnake Creek. 1829 Comment
  HSC90061  Polystichum lemmonii R. W. Becking 1985-8-28 Siskiyou Scott Mtn. Rd. Callahan, Rockfence Lake, E of Kangaroo Lake, above cabin 1829 Comment
  CAS-BOT-BC482446  Polystichum lonchitis Dana York 2011-8-13 3055 Siskiyou Marble Mountain Wilderness, Klamath National Forest, NE-facing slope of Marble Mountain 2045 Comment
  HSC1147  Polystichum lonchitis Dorothy Parker 1949-7-10 336 Siskiyou Above Paradise Lake, Salmon Mtn. 1982 Comment
  HSC75255  Polystichum lonchitis J. O. Sawyer, M. Mesler 1980-8-13 4049 Siskiyou E of Pacific Crest Trail at Black Marble Mtn. 1921 Comment
  HSC19184  Polystichum munitum J. O. Sawyer 1968-7-2 367 Siskiyou Upper drainage of Joe Creek 1677 Comment
  UC1593364  Polystichum munitum Alan Smith with Chris Richards, C. Don Macneill, Janet Sowers, Bob Martin, Pat Toops, and Barney 1992-6-6 2542 Siskiyou at base of entrance Fossil Cave; Lava Beds Nat'l Monument 1280 Comment
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May 30 2013
  HSC100202  Populus alba J. P. Smith, , J. O. Sawyer, & R. J. Cole 2011-5-22 13171 Siskiyou Klamath National Forest, East Fork Campground. 735 Comment
  UC375242  Populus trichocarpa Geo. D. Butler 1909-9-26 972 Siskiyou along creek near Yreka; along creek near Yreka Comment
  JEPS42976  Potamogeton foliosus Geo. D. Butler 1909-9-12 882 Siskiyou Oro Fino Comment
  HSC90540  Potentilla breweri Jennifer Whipple 1976-6-19 1052 Siskiyou Near Durney Lake 2073 Comment
  JEPS84265  Potentilla breweri L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6339 Siskiyou ca 1/2 mi se Red Butte (ca 7 mi nne of Seiad Valley, sw of Cook and Green Pass); sw of Cook and Green Pass, se Red Butte, nne of Seiad Valley 1730 Comment
  RSA790475  Potentilla breweri James R. Shevock, Barbara Williams 1987-8-18 11804 Siskiyou Sisson trail above Kangaroo Lake, Klamath Mtns. 2012 Comment
  RSA211173  Potentilla breweri var. breweri William J. Ferlatte 1967-8-23 1096 Siskiyou Head of Kidd Creek. 2134 Comment
  RSA237624  Potentilla drummondii Frederick W. Oettinger 1969-7-13 1001 Siskiyou North of upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  RSA85778  Potentilla glandulosa var. nevadensis E. E. Stanford 1930-8-14 2085 Siskiyou Below summit of Sonora Pass. 2896 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
  JEPS80606  Potentilla gracilis var. fastigiata Gilbert Muth 1966-7-31 470 Siskiyou north side of Black Mountain Marble Mt. Wilderness Area, n side of Black Mountain 1981 Comment
  CAS-BOT-BC540559  Potentilla gracilis var. fastigiata A. A. Heller 1918-7-16 13030 Siskiyou Mt. Eddy west of Sisson 2651 Comment
  CAS-BOT-BC540564  Potentilla gracilis var. fastigiata Doris K. Kildale 1928-8-18 6491 Siskiyou At head of north fork of Salmon River at Finley's Upper Camp 1524 Comment
  CDA26085  Potentilla millefolia G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2590 Siskiyou Between Old Highway 99 and railroad 4 km south of Grenada. Comment
  SEINET13710513  Potentilla millefolia Lowell William Ahart, Lowell William Ahart 1998-1 9342 Siskiyou Me of Weed and E of Grass Lake on S Side of Tennant Rd. 0.2 Mi. of Old State Hwy. to Bray (T44N, R1W, sec 30, SE 1/4) 4600 Ft. 1402 Comment
  CAS-BOT-BC144831  Potentilla rivalis Roxana S. Ferris; Laura Lorraine 1941-8-11 10501 Siskiyou Grass Lake Station onU. S. Highway 97 1554 Comment
  SEINET3157045  Potentilla wrangelliana G. D. Butler 1910-5-30 1431 Siskiyou Humbug Creek Comment
  HSC65492  Prosartes hookeri R. White 1977-7-21 124 Siskiyou Slope below outlet of Raspberry Lake. 1512 Comment
  UCLA49010  Prunella vulgaris W. Bridge Cooke 1940-8-2 15401 Siskiyou Bear Springs Mount Shasta; , Bear Springs Comment
  UCD125347  Prunella vulgaris N. S. Morgan 1934-9-1 s.n. Siskiyou Mount Shasta City, Box 363. Comment
  RSA60529  Prunella vulgaris var. lanceolata John H. Thomas 1949-6-16 950 Siskiyou 1/4 mi north of Beaver Creek Public Camp, along Beaver Creek; 5 mi north of junction of Beaver Creek and Klamath River; Klamath National Forest. Comment
  CAS-BOT-BC158223  Prunus emarginata D. E. Breedlove 1962-6-11 3368 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Mountains 1127 Comment
  CAS-BOT-BC158238  Prunus emarginata Elmer I. Applegate 1895-5-30 154 Siskiyou Sisson Comment
  CAS-BOT-BC158245  Prunus emarginata K. T. Stillman 1976-6-25 95 Siskiyou Marble Mountain Wilderness Area. Between Marble Gap & Elk Valley trail Comment
  CAS-BOT-BC158190  Prunus emarginata James McMurphy 1914-6-10 s.n. Siskiyou Hill above Ballground, Copper Mine, Kismet Comment
  CAS-BOT-BC151229  Prunus virginiana var. demissa L. E. Smith 1913-7-27 493 Siskiyou McCloud Comment
  CAS-BOT-BC159451  Prunus virginiana var. demissa A. A. Heller 1905-6-5 7965 Siskiyou Between Shasta Retreat and Shasta Springs. Just below Shasta Springs, on the Sacramento, growing near the water. Comment
  UC572361  Prunus virginiana var. demissa M. H. Mitchell 1936-5-19 Siskiyou 1 1/4 mi w of Coldwell Butte (Modoc Lava Beds National Monument); Modoc Lava Beds National Monument 1371 Comment
  UCR93371  Prunus virginiana var. demissa Kathy Harper, Dane Karr 1994-6-16 s.n. Siskiyou Modoc National Forest; Forest Route 49 (Lava Beds/ Medicine Lake Rd.) within 1 mi. of southern boundary of Lava Beds National Monument 1555 Comment
  SEINET7412419  Prunus virginiana var. demissa G. D. Butler 1910-7-24 1795 Siskiyou Yreka Creek Comment
  SEINET7452469  Prunus virginiana var. demissa G. D. Butler 1909-5-16 s.n. Siskiyou Near Yreka. Comment
  CHSC228  Pseudostellaria jamesiana M. Yoder 1941-7-12 Siskiyou Castle Lake. Comment
  HSC45187  Pseudotrillium rivale J. O. Sawyer, Ed Cope 1977-6-18 2931 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  HSC68379  Pseudotsuga menziesii var. menziesii Maralyn A. Renner 1980-6-26 1209 Siskiyou N edge of Flint Valley 1390 Comment
  NY63871  Pseudotsuga menziesii var. menziesii M. F. Denton 1973-6-30 2969 Siskiyou Klamath National Forest: Young's Valley, ca. 5 miles south of Sanger Lake, on trail up El Capitan 1432.6 Comment
  JEPS24801  Psilocarphus brevissimus var. brevissimus Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6810 Siskiyou about 3 mi nw Weed (head of Shasta Valley); Shasta Valley 975 Comment
  CAS-BOT-BC460556  Pterospora andromedea H. A. Thomas; J. H. Thomas 1954-7-21 4400 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1158 Comment
  UCD22430  Purshia tridentata Brian Vanden Heuvel 2003-4-10 191 Siskiyou Shasta National Forest. 1.6 miles east of McCloud on CA 89, on south side of road. Comment
  UCD77969  Purshia tridentata Robert E. Preston 2002-6-20 1839 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, Rainbow Mountain. 1946 Comment
  RSA449671  Purshia tridentata var. tridentata E. E. Stanford 1930-6-15 1600 Siskiyou Near Shasta City. Comment
  RSA449672  Purshia tridentata var. tridentata N. R. Zabriskie, W. Zabriskie 1971-7-23 411 Siskiyou St. Hwy 89 just E of McCloud. SE of Mt Shasta. Comment
  HSC73213  Pyrola dentata Gail Newton 1980-6-20 501 Siskiyou Near Bald Mtn. 250 Comment
  SEINET8342672  Pyrola dentata Marion Ownbey, Fred G. Meyer 1940-7-8 2225 Siskiyou near summit of Siskiyou Mountain, 17 miles north of Happy Camp. Comment
  HSC18921  Pyrola minor J. O. Sawyer 1969-8-1 1610 Siskiyou Behind Horseshoe Lake 1921 Comment
  HSC804  Pyrola picta William J. Ferlatte 1967-7-25 715 Siskiyou N side of Caribou Mtn. 1982 Comment
  UC1190130  Pyrola picta Ira L. Wiggins 1955-7-23 13463 A Siskiyou ridge W of China Creek, S side of S Fork of Salmon River 960 Comment
  UC1034576  Pyrola picta Douglas Barbe 1955-7-26 269 Siskiyou Klamath Mountains, on nw slope of Scott Mountain Scott Mountain; Klamath Mountains, Scott Mountain 1828 Comment
  CHSC106271  Pyrrocoma lanceolata var. lanceolata Lowell Ahart; John Dittes 2010-7-30 16969 Siskiyou Riparian terraces near spring, 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
  OBI55547  Pyrrocoma racemosa var. pinetorum David J. Keil 1992-7-24 23572 Siskiyou East of McCloud along Hwy 89, 7.7 mi W of Shasta County line. Comment
  CAS-BOT-BC94648  Quercus garryana Doris K. Kildale 1928-8-18 6430 Siskiyou North Fork Salmon River, at Finley Camp Comment
  UC767801  Quercus garryana Wm. H. Brewer 1463 Siskiyou valley of Cow Creek Comment
  CAS-BOT-BC62759  Quercus garryana var. breweri John Thomas Howell 1934-7-4 12383 Siskiyou Lava beds between Timbered Crater and Little Hot Springs Valley Comment
  CAS-BOT-BC62763  Quercus garryana var. breweri Doris K. Kildale 1928-8-19 6531 Siskiyou on trail from English Lake to top of Divide to Hancock Lake Comment
  HSC19220  Quercus garryana var. breweri J. O. Sawyer 1968-7-23 600 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  HSC74869  Quercus garryana var. breweri J. P. Smith, Jennifer Whipple 1978-7-2 9989 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  UCD46169  Quercus garryana var. semota Frederick W. Oettinger 1968-8-18 574 Siskiyou The High Lake Basins in the Vicinity of English Peak Marble Mountain Wilderness area. 1920 Comment
  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
  OBI69128  Quercus sadleriana Dieter H. Wilken, E. Painter 2000-8-10 15852 Siskiyou Just S of Del Norte and Josephine (OR) county lines, NNE of Little Grayback, near head of Indian creek. O'Brien-Happy camp road 1500 Comment
  SBBG25325  Quercus sadleriana S. L. Holloway 1963-10-12 77 Siskiyou jct Red Rock Valley trail and Cyn Crk trail; Marble Mtn Wilderness 1341 Comment
  SD51661  Quercus sadleriana Reino Alava, Aloha Alava and Rimo Bacigalupi 1958-9-3 2454 Siskiyou At the junction of the road to Poker Flat and the road from Happy Camp to Takilma. 1376 Comment
  SEINET3136091  Quercus sadleriana S. L. Holloway 1963-10-12 77 Siskiyou Marble Mtn Wilderness Area, jxn Rock Valley trail and Canyon Creek trail; T43 R11W, se corner S7 1341 Comment
  UCD47262  Quercus sadleriana John M. Tucker 1972-8-8 4247 B Siskiyou (Q. garryana Hook. var. breweri (Engelm.) Jepson). California, Siskiyou Co.; Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 mi. west-southwest of Marble Valley Guard Station (extreme southeast corner of Section 20, R.11W., T.42N. 1828 Comment
  RSA82852  Quercus sadleriana J. M. Tucker, R. Tofsrud 1948-8-3 1779 -C Siskiyou Summit of Happy Camp - O'brien (Oregon) road. On Del Norte-Siskiyou county line. 1555 Comment
  CAS-BOT-BC104616  Quercus vacciniifolia L. E. Smith 1913-6-29 417 Siskiyou Rainbow Comment
  HSC69524  Quercus vacciniifolia Maralyn A. Renner 1980-6-26 1284 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  POM166591  Quercus vacciniifolia E. B. Copeland 1903-8-17 3930 Siskiyou Mt. Eddy. 1433 Comment
  RSA13713  Quercus vacciniifolia Louis C. Wheeler 1934-8-8 3066 Siskiyou West Fork of Beaver Creek, Siskiyou Mountains. 1677 Comment
  RSA211498  Quercus vacciniifolia William J. Ferlatte 1967-8-17 956 Siskiyou Trinity Alps; Yellow Rose Mine. 1982 Comment
  UC848338  Quercus vacciniifolia unknown 1941-9-16 16320 Siskiyou along the Castle Lake Road Comment
  HSC44976  Ranunculus alismifolius var. alismellus J. O. Sawyer 1978-6-20 3271 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  UCD95823  Ranunculus alismifolius var. alismifolius Robert E. Preston 2001-6-23 1608 Siskiyou Klamath National Forest, north-facing slope of Rainbow Mountain. 1981 Comment
  JEPS55058  Ranunculus aquatilis var. capillaceus W. L. Jepson 1894-1 Siskiyou Edgewood to Sissons (near Stage road) Comment
  HSC28662  Ranunculus aquatilis var. diffusus Frederick W. Oettinger 1969-9-5 1683 Siskiyou Marble Mtn. Wilderness Area, Salamander Pond near Abbott's Lake 1768 Comment
  JEPS55174  Ranunculus californicus W. L. Jepson 1907-7-4 2814 Siskiyou Shackelford Canyon Comment
  UC165946  Ranunculus eschscholtzii Geo. D. Butler 1908-8-8 355 Siskiyou Marble Valley Comment
  UC609341  Ranunculus eschscholtzii var. suksdorfii Eleanor Burks Hart 1938-8-24 909 Siskiyou Upper Wright Lake 2225 Comment
  HSC73339  Ranunculus occidentalis Gail Newton 1980-6-20 467 Siskiyou Near Bald Mtn. 1097 Comment
  JEPS74464  Ranunculus orthorhynchus var. orthorhynchus W. J. Ferlatte 1966-6-23 145 Siskiyou near public camp; Trinity Alps, Big Flat 1524 Comment
  HSC26701  Ranunculus uncinatus William J. Ferlatte 1969-6-25 1180 Siskiyou Big Flat 1524 Comment
  HSC98332  Ranunculus uncinatus G. L. Clifton 1979-7-1 6162 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  POM299039  Rhamnus californica Marion Ownbey 1940-7-8 2224 Siskiyou Dry hillside along Indian Creek. 12 miles above Happy Camp. Comment
  RSA13287  Rhamnus californica subsp. occidentalis Doris K. Kildale 1929-7-20 8655 Siskiyou Trail up S Fork of Indian Creek, near Eek Lick. 1524 Comment
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Jan 25 2013
  CAS-BOT-BC56110  Rhamnus ilicifolia Carl B. Wolf 1927-8-26 1031 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  CAS-BOT-BC56115  Rhamnus ilicifolia Louis C. Wheeler 1934-11-7 3360 Siskiyou Cottville, Klamath River, Mt. Diablo Mer. 566 Comment
  SEINET12903708 Image available Rhamnus obtusissima E. B. Copeland 1903-1 3833 Siskiyou Sisson 1097 Comment
  JEPS41969  Rhamnus purshiana Willis L. Jepson 1894-1 13967 Siskiyou Sisson Upper Sacramento Region Comment
  RSA7819  Rhamnus purshiana Carl B. Wolf 1927-8-27 1116 Siskiyou On the Klamath River, Happy Camp. Comment
  SEINET13946355 Image available Rhamnus purshiana A. A. Heller 1915-1 12132 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in forest, 3900 ft. 1189 Comment
  JEPS41973  Rhamnus rubra Willis L. Jepson 1894-1 13983 Siskiyou Upton, beyond Sisson Upper Sacramento Region Comment
  JEPS94251  Rhamnus rubra Vernon H. Oswald and Lowell Ahart 1998-6-11 9188 Siskiyou ne of Weed (Shasta National Forest plantation on w side of Highway 97, 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest, Highway 97 1066 Comment
  UC54506  Rhamnus rubra H. M. Hall and E. B. Babcock Jun 1903 4122 Siskiyou Head of McCloud River Mount Shasta 1524 Comment
  CAS-BOT-BC6199  Rhamnus rubra subsp. obtusissima E. B. Copeland 1903-8-15 3833 Siskiyou Sisson 1097 Comment
  CAS-BOT-BC53738  Rhododendron columbianum Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou A ledum swamp just below Mumbo Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC200405  Rhododendron occidentale var. paludosum A. A. Heller 1905-6-1 7948 Siskiyou Upper Soda Spring Comment
  HSC41074  Rhus aromatica J. O. Sawyer 1970-3-4 2077 Siskiyou N of Idlewild Campground. 762 Comment
  CAS-BOT-BC92540  Ribes binominatum Louis C. Wheeler 1934-7-3 2854 Siskiyou Klamath Forest. Soda Creek. 1676 Comment
  CAS-BOT-BC92545  Ribes binominatum Saxton; Canfield 1922-8-26 87 Siskiyou Klamath Forest. Greider [Grider] Creek. 1524 Comment
  CAS-BOT-BC108776  Ribes cereum Elmer I. Applegate 1935-8-4 10026 Siskiyou Upper Ice Cave, Lava Beds National Monument. Comment
  CAS-BOT-BC108781  Ribes cereum William Bridge Cooke 1938-6-17 11032 Siskiyou Mount Shasta. Sisson Southern Trail. 1371 Comment
  JEPS43483 Image available Ribes cereum W. L. Jepson 1940-6-27 20036 Siskiyou e slope Mt. Shasta (along the Military Road) 1828 Comment
  HSC36927  Ribes cereum var. cereum J. P. Smith 1974-5-27 7595 Siskiyou Along USFS Rd. 47N03 1646 Comment
  UCD78093  Ribes cereum var. cereum Robert E. Preston 2002-6-20 1855 Siskiyou Klamath National Forest, Rainbow Mountain 2162 Comment
  CAS-BOT-BC168863  Ribes inerme var. klamathense A. A. Heller 1905-6-15 8042 Siskiyou Near Sisson Comment
  CAS-BOT-BC168867  Ribes inerme var. klamathense John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53408 Siskiyou Fort Jones 853 Comment
  HSC62282  Ribes lacustre Al Hobart 1968-6-20 Siskiyou Youngs Valley Comment
  HSC633  Ribes lacustre William J. Ferlatte 1967-6-29 571 Siskiyou Along Yellow Rose Mine Trail 1829 Comment
  RSA237680  Ribes lacustre Frederick W. Oettinger 1969-7-11 972 Siskiyou SE corner of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1936 Comment
  SEINET3151806  Ribes lobbii G. D. Butler 1910-5-30 1442 Siskiyou Humbug Creek Comment
  CAS-BOT-BC212483  Ribes marshallii Gilbert Muth 1966-7-8 360 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC217879  Ribes nevadense Elmer I. Applegate 1895-5-29 197 Siskiyou Base of Mount Shasta, near Sisson, Strawberry Valley Comment
  HSC67786  Ribes roezlii J. O. Sawyer, J. Cole 1980-7-20 3757 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  HSC67806  Ribes roezlii J. O. Sawyer, J. Cole 1980-7-22 3971 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  CAS-BOT-BC186286  Ribes roezlii var. roezlii A. A. Heller 1915-7-15 12078 Siskiyou Mt. Eddy 2072 Comment
  HSC68315  Ribes sanguineum Maralyn A. Renner 1980-6-26 1235 Siskiyou SE edge of Flint Valley. 1390 Comment
  JEPS8478  Ribes sanguineum Rimo Bacigalupi with J. P. Tracy, L. Constance, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-16 3455 Siskiyou about 1.5 mi below and se of saddle at summit Takilma-Happy Camp road Comment
  UC154063  Ribes sanguineum Harley P. Chandler June 1901 1556 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  UC165923  Ribes sanguineum Geo. D. Butler 1910-5-5 1286 Siskiyou Humbug Mountain Comment
  JEPS49242  Ribes sanguineum var. glutinosum Geo. D. Butler 1909-4-24 670 Siskiyou Cherry Creek Comment
  CAS-BOT-BC144514  Ribes sanguineum var. sanguineum Doris K. Kildale 1929-7-24 8608 Siskiyou Southeast spur Preston Peak 1950 Comment
  HSC44887  Ribes sanguineum var. sanguineum Maralyn O'Meara 1974-5-25 401 Siskiyou Along road to Duck Lakes trail 1402 Comment
  HSC69389  Ribes sanguineum var. sanguineum Maralyn A. Renner 1980-8-31 2661 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  CAS-BOT-BC173903  Ribes velutinum Lyman Benson 1929-3-27 1074 Siskiyou Rocky ledges by the Pacific Highway on Klamath River Comment
  UC1127584  Ribes velutinum M. H. Mitchell 1936-5-21 25 Siskiyou Frozen River Cave Modoc Lava Beds Natl. Mon., Dorris Quadrangle Comment
  UCD169264  Ribes velutinum T. Bruchman 1978-7-1 184 Siskiyou Tule Lake National Wildlife Refuge, along Hill Road. Comment
  HSC65563  Ribes viscosissimum Rich White 1977-7-21 127 Siskiyou Slope below outlet of Raspberry Lake 1512 Comment
  HSC69001  Ribes viscosissimum Maralyn A. Renner 1980-7-28 2197 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  JEPS49193  Ribes viscosissimum W. L. Jepson 1907-7-5 2821 Siskiyou near Marble Mt. (head of Shackelford Canyon) 2286 Comment
  LA205491  Ribes viscosissimum W. B. C.; 1939-6-30 13570 Siskiyou Mount Shasta, near the source of MacBride Springs 1523 Comment
  RSA0020919  Ribes viscosissimum Albert M. Vollmer, L. Beane 1951-6-2 55 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway. Comment
  CHSC75693  Rorippa curvisiliqua Vernon H. Oswald; Lowell Ahart 1999-7-5 9805 Siskiyou Gazelle-Callahan Hwy. 11.3 mi west of Gazelle, 0.2 mi east of summit of Gazelle Mtn. 1188 Comment
  RSA184740  Rorippa curvisiliqua Gilbert Muth 1966-7-19 423 Siskiyou Horse pasture above camp, Marble Mtns. 1799 Comment
  RSA237289  Rorippa curvisiliqua Frederick W. Oettinger 1969-7-29 1096 Siskiyou Dry Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC1871394  Rosa Barbara Ertter 2006-7-30 18749 b Siskiyou just N of Yreka on Rt 263, below roadbed in partial shade of isolated tree. 762 Comment
  JEPS95670  Rosa canina Vernon H. Oswald and Lowell Ahart 1999-7-5 9810 Siskiyou Gazelle Mtn. on road 41N03 0.5 mi SE of Gazelle-Callahan Hwy. 1508 Comment
  CAS-BOT-BC146756  Rosa gymnocarpa Geo. D. Butler 1910-8-7 1816 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC146765  Rosa gymnocarpa H. A. Thomas; J. H. Thomas 1954-7-27 4551 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. South side of South Fork of Salmon River in vicinity of Blind Horse Creek and area 1 mile to SE 975 Comment
  HSC19387  Rosa gymnocarpa J. O. Sawyer 1968-9-10 682 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  HSC69497  Rosa gymnocarpa John Palmer 1980-8-12 737 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  POM88242  Rosa gymnocarpa Geo. D. Butler 1910-5-30 1437 Siskiyou Humbug Mountain 1220 Comment
  UC2046562  Rosa gymnocarpa William J. Ferlatte 1974-7-13 1512 Siskiyou south side of South Fork of Salmon River between Big Flat and the falls Comment
  RSA78997  Rosa pisocarpa E. K. Balls, Percy C. Everett 1952-10-13 18185 Siskiyou 3.6 miles SW of turn off to Ney Springs on road from town of Mt. Shasta to Castle Lake. 1524 Comment
  UC329938  Rosa pisocarpa unknown Sept. 1889 Siskiyou Sisson's Meadows Comment
  UC637139  Rosa pisocarpa Edward Lee 1934-8-15 1123 Siskiyou summit of Happy Camp to Waldo (Oregon) rd Klamath National Forest, Indian Creek watershed 1615 Comment
  RSA300565  Rosa pisocarpa Walter Wisura, John Dourley 1982-10-16 3873 Siskiyou Shores of Castle Lake, SW of town of Mt. Shasta. 1646 Comment
  CAS-BOT-BC149743  Rosa woodsii subsp. ultramontana L. B. Kildale 1930-5-31 9803 Siskiyou Island in Klamath River near Hornbrook Comment
  UCR66438  Rubus glaucifolius L. C. Wheeler 1934-8-31 3233 Siskiyou Siskiyou Mountains: semi-shady E slope. Bear Creek off W Fork Beaver Creek 1768 Comment
  HSC60413  Rubus laciniatus J. P. Smith, Steve Selva 1970-6-15 3901 Siskiyou 10 mi. NW of Forks of Salmon Comment
  HSC19404  Rubus lasiococcus J. O. Sawyer 1968-7-2 355 Siskiyou Upper drainage of Joe Creek on steep N facing slopes. 1677 Comment
  HSC19435A  Rubus leucodermis J. O. Sawyer 1969-8-4 1922 Siskiyou South Sugar Creek 2043 Comment
  UC329936  Rubus leucodermis J. G. Lemmon 1888-9-7 Siskiyou near Mt. Eddy; near Mt. Eddy Comment
  CAS-BOT-BC147323  Rubus parviflorus Doris K. Kildale 1928-7-2 5383 Siskiyou Salmon Summit via Ham Creek Trail 1981 Comment
  CAS-BOT-BC157169  Rubus ursinus Alice Eastwood 1912-7-17 1186 Siskiyou Sisson Comment
  RSA237323  Rumex acetosella Frederick W. Oettinger 1967-6-29 119 Siskiyou Ride near Etna Summit on road from Etna to Sawyer Bar. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1820 Comment
  UCD101336  Rumex kerneri G. D. Barbe 1980-6-5 2815 Siskiyou Abandoned dairy south of Knighton Road along Sacramento River, on Riverland Drive (Interstate 5 frontage road); between Redding and Anderson. 128 Comment
  CAS-BOT-BC433709  Rumex occidentalis Geo. D. Butler 1909-6-5 971 Siskiyou Yreka Creek Comment
  UC61058  Rumex salicifolius var. salicifolius W. A. Setchell, C. C. Dobie Jul 1902 Siskiyou Sisson Comment
  CAS-BOT-BC434155  Rumex triangulivalvis Alice Eastwood 1921-7-28 10928 Siskiyou Medicine Lake Comment
  RSA237867  Sagina decumbens subsp. occidentalis Frederick W. Oettinger 1969-9-5 1688 Siskiyou South side of David Mt., Abbotts Lake region. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UC618782  Sagina saginoides W. Bridge Cooke 1938-7-1 11153 Siskiyou Wagon Camp - upper meadow Mt. Shasta; , Wagon Camp Comment
  JEPS38484  Salix W. L. Jepson 1907-7-22 2952 Siskiyou Burhart's Ranch Hamburg; Klamath River, , Burhart's Ranch Comment
  LA208575  Salix eastwoodiae J. M. Tucker; 1963-7-7 3730 -A Siskiyou Marble Mountain Wilderness Area, in vicinity of Paradise Lake, at base of Kings Castle on E side 1981 Comment
  CHSC35572  Salix exigua var. hindsiana J. P. Smith; J. O. Sawyer 1978-7-3 9999 Siskiyou Klammath National Forest. Williams Point along the Klammath River, south of State Route 96. Comment
  CAS-BOT-BC107783  Salix hindsiana Wm. Bridge Cooke 1940-6-20 15156 Siskiyou Along the Klamath River along the Pacific Highway in the Klamath River gorge 609 Comment
  RSA0038339  Salix hindsiana H. P. Bracelin 1931-6-22 477 Siskiyou Pit River at Gibson flag station, 125 km. north of Red Bluff. 450 Comment
  HSC69545  Salix lasiandra Maralyn A. Renner 1980-8-6 2237 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  CAS-BOT-BC125456  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 424 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City; above Metcalf ranch house 1350 Comment
  CAS-BOT-BC125476  Salix lasiandra var. lasiandra A. A. Heller 1905-6-15 8032 Siskiyou Sisson 1083 Comment
  CAS-BOT-BC125481  Salix lasiandra var. lasiandra A. A. Heller 1915-7-18 12129 Siskiyou Metcalfs ranch, northeast base of Mt. Eddy 1371 Comment
  SJSU263  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-21 473 Siskiyou bridge c. 1.3 km E of Burney Mill, N base of Mt Eddy, c. 13 km NW of Shasta City 1109 Comment
  CAS-BOT-BC124536  Salix lasiolepis var. lasiolepis A. A. Heller 1915-7-18 12131 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC124893  Salix lemmonii A. A. Heller 13705 Siskiyou On the shore of Medicine Lake 2133 Comment
  CHSC9564  Salix lemmonii E. L. Smith 1971-4-8 938 Siskiyou At Mt. Shasta City. 1097 Comment
  POM219902  Salix lemmonii H. P. Bracelin 1931-6-20 448 Siskiyou E side of Mount Eddy. About 17 km NW of Shasta City. Wagon Creek Canyon. About 1 km up from Metcalf ranch house. 1170 Comment
  RSA30427  Salix lucida subsp. lasiandra A. A. Heller 1915-7-18 12129 Siskiyou Metcalf Ranch. NE base of Mt Eddy. 1372 Comment
  CAS-BOT-BC125683  Salix melanopsis L. E. Smith 1914-7-6 751 Siskiyou Cantara Comment
  UC437366  Salix melanopsis Annie M. Alexander and L. Kellogg 1911-6-13 142 Siskiyou 6 mi. n.w. Callahan Comment
  CAS-BOT-BC126125  Salix scouleriana L. S. Smith 1931-6-7 17 Siskiyou Mt. Shasta 1066 Comment
  CAS-BOT-BC126154  Salix scouleriana L. E. Smith 1913-4-2 619 Siskiyou Sisson Comment
  CAS-BOT-BC126169  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 444 Siskiyou East side of Mount Eddy, about 17 km. northwest of Shasta City; in Wagon Creek Canyon, about 1 km. up from Metcalf ranch house 1170 Comment
  CAS-BOT-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
  UC1135100  Salix scouleriana H. A. Jensen 1933-10-25 366 Siskiyou s. of Signal Butte (Mt. Shasta-McCloud Rd.); Shasta Nat'l Forest, Dunsmuir Quad. Comment
  UC576379  Salix scouleriana Mrs. H. P. Bracelin 1936-9-3 858 Siskiyou 11 mi. n.w. Shasta City (ca. 2 mi. e. of Burney Mill, at second bridge, n. base Mt. Eddy); n. base Mt. Eddy 1127 Comment
  CAS-BOT-BC128971  Salix sitchensis John Thomas Howell 1937-7-25 13465 Siskiyou Caribout Basin, Salmon-Trinity Alps 2286 Comment
  RSA15788  Salsola tragus C. B. Wolf 1927-8-26 1014 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  RSA17699  Salvia dorrii subsp. dorrii Elmer I. Applegate 1935-6-5 9343 Siskiyou Capt. Jack s Ice Cave, Lava Beds National Monument Comment
  JEPS106456  Sambucus mexicana J. K. Nelson 2004-8-29 2004 -94 Siskiyou S side Mount Shasta, at unnamed springs W of Mud Creek Dam, along Road 31 1584 Comment
  HSC19456  Sanicula graveolens J. O. Sawyer 1969-7-18 1394 Siskiyou W facing slope above S Russian Creek 1860 Comment
  HSC409  Sanicula tuberosa William J. Ferlatte 1967-6-30 589 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  SEINET2140099  Santalaceae R. L. Mathiasen 2007-1 2007 -36 Siskiyou At jct. of Greyback Rd. and rd. to Kelly Lake. 1345 Comment
  SEINET3240204  Santalaceae R. L. Mathiasen 2007-1 2007 -33 Siskiyou Ca. 9.6 km from Stewart Hot Springs on forest road 17 1820 Comment
  RSA238316  Saxifraga ferruginea Frederick W. Oettinger 1967-7-20 174 Siskiyou SSE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC445879  Saxifragopsis fragarioides Ira L. Wiggins 1955-7-27 13552 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC19458  Saxifragopsis fragarioides J. O. Sawyer 1969-8-2 1714 Siskiyou Summit W of Little Duck Lake 2409 Comment
  RSA239119  Schedonorus pratensis Frederick W. Oettinger 1969-8-16 1402 Siskiyou Wire Grass Meadow above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  HSC101499  Scirpus congdonii Thomas W. Nelson, Jane P. Nelson 1985-6-19 7836 Siskiyou Edge of Carmen Lake 1585 Comment
  HSC77192  Scirpus congdonii L. P. Janeway 1983-8-16 555 Siskiyou Poker Flat 1524 Comment
  RSA119342  Scirpus congdonii S. S. Tillett 1956-7-9 641 Siskiyou E of Scott Mountain, ca. 8 mi. SE of Callahan. Trinity-Siskiyou Cos line. 1829 Comment
  JEPS80665  Scirpus microcarpus W. B. and V. G. Cooke 1977-9-22 54824 Siskiyou near Deter Camp (Mt. Shasta); , near Deter Camp Comment
  HSC68108  Scleranthus annuus J. P. Smith 1973-5-5 6459 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  CHSC33019  Scleranthus annuus subsp. annuus James P. Smith 1973-5-5 6525 Siskiyou Scott Bar along the Scott River. Comment
  UC852754  Scleranthus annuus subsp. annuus Louis C. Wheeler 1935-6-15 3585 Siskiyou Scott Valley Greenview; Scott Valley 883 Comment
  JEPS117469  Sclerochloa dura Lowell Ahart, John Dittes 2010-7-30 16943 Siskiyou In the road tracks to the west edge of the Shasta River, about 30 yards south of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Gr 716 Comment
  CAS-BOT-BC5855  Scorzonella pratensis Edward Lee Greene 1876-6-23 883 Siskiyou Yreka Comment
  CAS-BOT-BC214193  Scutellaria Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 273 Siskiyou Mumbo Basin, Trinity Mts. 1828 Comment
  JEPS88635  Scutellaria antirrhinoides Dean Wm. Taylor with Rexford E. Palmer 1988-6-23 9860 Siskiyou 4 mi n of Timbered Crater (1 mi se of Adobe Flat); The Modoc Plateau 1097 Comment
  JEPS81648  Scutellaria antirrhinoides L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2314 Siskiyou between the Sacramento and McCloud arms of Shasta Lake (near Fall Creek Inn along Gilman Road) 396 Comment
  RSA120941  Scutellaria nana Milo S. Baker 1957-6-15 13105 Siskiyou Just south of Weed. Comment
  HSC104260  Sedum kiersteadiae P. F. Zika 2013-6-28 26289 Siskiyou Klamath Range; Route 26; 0.6 air km WNW of Gumboot Lake 1960 Comment
  HSC4764  Sedum obtusatum subsp. retusum William J. Ferlatte 1966-8-19 455 Siskiyou Head Of Kidd Creek 2134 Comment
  HSC19542  Sedum obtusatum subsp. retusum J. O. Sawyer 1969-7-1 977 Siskiyou SE slope above Paynes Lake Creek 1921 Comment
  HSC25419  Sedum radiatum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5663 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  RSA0059718  Sedum radiatum subsp. depauperatum L. C. Wheeler 1934-6-4 2643 Siskiyou Ridge S of Horse Creek near mouth, Siskiyou Mts. Mt. Diablo Mer. 1067 Comment
  CAS-BOT-BC59093  Sedum spathulifolium A. A. Heller 1905-6-1 7932 Siskiyou Between Dunsmuir and Upper Soda Spring. Comment
  CAS-BOT-BC59129  Sedum spathulifolium John Thomas Howell 1937-7-26 13565 Siskiyou Between Big Flat and Caribou Gulch. Comment
  UC144331  Sedum spathulifolium A. A. Heller 1905-6-1 7932 Siskiyou between Dunsmuir and Upper Soda Spring; between Dunsmuir and Upper Soda Spring Comment
  UC1015315  Sedum spathulifolium C. R. Bell 1951-4-20 1029 Siskiyou on the Salmon Mountain Road 2.2 mi sw Etna (Mill Creek); sw of Etna, Mill Creek Comment
  CHSC90388  Selaginella wallacei Martin J. Lenz 2004-12-17 1085 Siskiyou Road cutbank near small tributary of Tompkins Cr., approx. 7.1 air mi. SW of mouth of Scott River. UTM: 10 489596 E 4616333 N. 957 Comment
  RSA0125045  Senecio exaltatus Geo. D. Butler 1910-6-19 1581 Siskiyou Goosenest Foothills. 1524 Comment
  UCR93348  Senecio integerrimus Kathy Harper, D. Karr 1994-6-16 s.n. Siskiyou Sierra Nevada Mtns, 31 mi. NE of Bartle, meadow at junction of Medicine Lake Rd & road to Schonchin Springs, at Headquarters Camp 1982 Comment
  CAS-BOT-BC363938  Senecio integerrimus var. exaltatus Geo. D. Butler 1910-5-15 1345 Siskiyou McAdams Creek Comment
  CAS-BOT-BC363945  Senecio integerrimus var. exaltatus Alice Eastwood 1912-7-19 1236 Siskiyou Mount Shasta Comment
  SJSU6480  Senecio integerrimus var. exaltatus R. W. Trivelpiece 1972-6-9 94 Siskiyou c. 4 mi E of Grass L. 1524 Comment
  JEPS101631  Senecio streptanthifolius var. laetiflorus Dean W. Taylor 1998-6-17 16559 Siskiyou base of hillslopes ca. 4 miles S of Gazelle, bordering Shasta Valley (ca. 15 air mi S Yreka) Comment
  HSC69328  Senecio sylvaticus John Palmer 1980-8-12 745 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 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
  UC163919  Senecio triangularis Geo. D. Butler 1910-6-5 1486 Siskiyou Shackleford Creek Comment
  UCR39793  Senecio triangularis L. P. Janeway 1983-7-10 399 Siskiyou Poker Flat 1524 Comment
  UC196949  Setaria viridis Geo. D. Butler 1910-7-29 1796 Siskiyou Yreka Comment
  POM250746  Sibbaldia procumbens W. Bridge Cooke 1938-8-18 11480 Siskiyou Mt. Shasta. 2470 Comment
  SD62050  Sidalcea malviflora subsp. asprella DarleyF. Howe 1965-8-8 4126 Siskiyou Saddle, south of Little Gray Back. 1402 Comment
  HSC82364  Sidalcea malviflora subsp. nana Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4534 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  HSC62278  Sidalcea malviflora subsp. nana Ruby Van Deventer 1957-7-8 Siskiyou Youngs Valley Comment
  HSC34305  Sidalcea oregana J. P. Smith, J. O. Sawyer 1973-8-14 7301 Siskiyou On trail from Campbell Lake to Cliff Lake 1829 Comment
  CAS-BOT-BC205785  Sidalcea oregana David D. Keck 1938-8-6 4815 Siskiyou At Del NOrte Co. line, Poker Flat, summit of Siskiyou Mts., 4 mi. S. of Oregon line, on road from Waldo to Happy Camp 1555 Comment
  UC170181  Sidalcea oregana subsp. spicata Harley P. Chandler June, 1901 1707 Siskiyou near Marble Mountain (Shackleford Canyon); North Coast Ranges, near Marble Mountain 1828 Comment
  UC221438  Sidalcea oregana subsp. spicata Dr. Edward Palmer Jul 13 1892-Jul 20 1892 2532 Siskiyou Mount Shasta and vicinity Mount Shasta Comment
  JEPS51013  Silene campanulata W. L. Jepson 1907-7-6 2855 Siskiyou ridge above Cudahay Valley (Marble Mt. region); , Cudahay Valley Comment
  CAS-BOT-BC181191  Silene campanulata subsp. glandulosa Marion Ownbey; Fred G. Meyer 1940-7-6 2199 Siskiyou Summit of Cayenne Ridge, Marble Mountain Comment
  SD61046  Silene douglasii Darley F. Howe 1964-8-4 3935 Siskiyou 9.0 miles south from entrance to Modoc National Forest on road to Medicine Lake. 2040 Comment
  SD98921  Silene douglasii Darley F. Howe 1977-7-5 Siskiyou Area north of Mt. Shasta. 1460 Comment
  CAS-BOT-BC387055  Silene douglasii R. C. Wenk 2006-9-2 558 Siskiyou trail to Caribou Lakes from Big Flat Meadow. Growing in dry coniferous forest by side of trail, above Big Conrad Creek 1950 Comment
  HSC92645  Silene douglasii var. douglasii Jennifer Whipple 1977-8-6 2206 Siskiyou Dobkins Lake, just below outlet of lake 2058 Comment
  CAS-BOT-BC388963  Silene grayi Doris K. Kildale 1928-8-20 6596 Siskiyou Lily Pad Lake, near Hancock Lookout on trail to Marble Mt. Comment
  UC454248  Silene grayi I. J. Condit 1909-8-23 Siskiyou near Sisson (Castle Lake); , near Sisson 1981 Comment
  CAS-BOT-BC388952  Silene grayi A. A. Heller 1920-7-9 13436 Siskiyou Easterly slope of Mt. Eddy 2286 Comment
  CAS-BOT-BC389431  Silene lemmonii Alice Eastwood 1912-8-30 2036 Siskiyou Mount Eddy Comment
  JEPS50875  Silene menziesii Geo. D. Butler 1908-6-28 103 Siskiyou near Yreka (along creek at Butler's Ranch); near Yreka, Butler's Ranch Comment
  UC465651  Silene menziesii Annie M. Alexander and Louise Kellogg 1911-6-13 141 Siskiyou 6 mi nw Callahan; nw Callahan Comment
  UC1333307  Silene vulgaris Dorothy Parker 1949-6-30 Siskiyou along the banks of Crystal Creek banks of Crystal Creek, Scott Valley (Scott Valley) 871 Comment
  HSC27980  Silene vulgaris Gary S. Lester 1973-7-16 51 Siskiyou Above Wooley Creek trail at Canyon Creek crossing 488 Comment
  CDA39480  Sisyrinchium douglasii F. D. Horn & D. H. Shaw 1978-3-1 s.n. Siskiyou Shasta River Canyon near Yreka. 0 Comment
  UC1409215  Smilax jamesii Frederick W. Oettinger 1969-8-1 1138 Siskiyou near stream below English Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area, High Lake 1813 Comment
  UC164044  Smilax jamesii Geo. D. Butler 1908-8-5 146 Siskiyou ravine below Cold Spring; Woolly Creek Comment
  CHSC106100  Solanum dulcamara Lowell Ahart; John Dittes 2010-7-30 16939 Siskiyou Along the south edge of the Shasta River, about 100 yards northwest of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  HSC43149  Solanum physalifolium var. nitidibaccatum Ken Stillman 1976-8-24 425 Siskiyou Along Klamath River at Williams Point. 366 Comment
  POM211186  Solanum physalifolium var. nitidibaccatum Louis C. Wheeler 1934-9-17 3275 Siskiyou Siskiyou Mts: Dutch Creek off Klamath River. 701 Comment
  NY820314  Solanum triflorum L. C. Wheeler 1935-7-13 3655 Siskiyou Ager 792 Comment
  RSA79898  Solanum triflorum F. W. Peirson 1923-7-19 3836 Siskiyou 20 miles south of Bray. Comment
  UC163710  Solanum umbelliferum Geo. D. Butler 1908-8-3 18 Siskiyou Log Lake, Shackleford Creek Log Lake; , Shackleford Creek Comment
  UC884969  Solanum umbelliferum John Thomas Howell 1939-8-9 15234 Siskiyou Marble Mountains, Shackleford Creek Trail Shackleford Creek Trail; Marble Mountains, Shackleford Creek Trail Comment
  CAS-BOT-BC157491  Solanum umbelliferum C. Davidson 1975-6-5 2653 Siskiyou 9.1 mi W of Gazelle on rd to Callahan. Klamath Nat. Forest 1120 Comment
  POM52743  Solidago canadensis subsp. elongata Geo D. Butler 1858 Siskiyou Oro Fino Comment
  HSC24685  Solidago elongata J. O. Sawyer 1969-8-4 2015 Siskiyou Behind S Sugar Lake 2088 Comment
  UC166190  Solidago elongata Geo. D. Butler 1908-8-10 310 Siskiyou Henry Shackleford Creek Comment
  UC618666  Solidago elongata W. Bridge Cooke 1938-8-19 11510 Siskiyou Howard 1219 Comment
  CAS-BOT-BC339856  Solidago multiradiata John Thomas Howell 1939-8-8 15164 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC365249  Solidago velutina subsp. californica Geo. D. Butler 1910-7-30 1800 Siskiyou Yreka Creek Comment
  UC1282003  Solidago velutina subsp. californica Louise Kellogg 1953-8-4 97 Siskiyou n of Callahan near Scott River (edge of Scott Valley); Scott Mountains, edge of Scott Valley Comment
  RSA237824  Sorbus californica Frederick W. Oettinger 1967-7-20 180 Siskiyou Outlet stream from Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC158932  Sorbus scopulina W. R. Dudley 1899-8-22 s.n. Siskiyou Craggy Peak Comment
  CHSC27345  Sorbus scopulina T. B. Devine 1976-9-4 359 Siskiyou Castle Lake. Comment
  SBBG50781  Sorbus scopulina J. M. Tucker 1963-7-7 3715 Siskiyou vicinity of Paradise Lake, at base of King's Castle on the E side, Marble Mtn Wilderness Area 1981 Comment
  UC1736496  Sorbus scopulina Dean W. Taylor 1999-8-12 17299 Siskiyou Mill Creek headwaters, Marble Mountains, ca. 4 mi W of Mugginsville, Quartz Valley, creek crossing on logging road 1341 Comment
  RSA237451  Sorbus scopulina var. cascadensis Frederick W. Oettinger 1969-9-4 1665 Siskiyou S end of Tobacco Lake Basin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1951 Comment
  UC1409331  Sorbus scopulina var. scopulina Frederick W. Oettinger 1969-7-18 1052 Siskiyou sw of Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1920 Comment
  RSA577542  Spartina gracilis L. C. Wheeler 1935-6-30 3628 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  RSA472772  Spiraea densiflora Louis C. Wheeler 1934-8-14 3125 Siskiyou North side White Mountain; Siskiyou Mountains. 1768 Comment
  UC375389  Spiraea densiflora Geo. D. Butler 1908-8-4 277 Siskiyou Head of Shackleford Creek Comment
  CAS-BOT-BC149692  Spiraea douglasii Dr. E. B. Copeland 1903-8-12 3836 Siskiyou Sisson 1066 Comment
  HSC18902  Spiraea douglasii J. O. Sawyer 1968-7-10 465 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  LA208255  Spiraea douglasii Steve Morgan; 1987-7-28 Siskiyou Mount Shasta, Shasta Trinity National Forest, McGinnis Springs, 5 mi. NW of McCloud 1767 Comment
  UC136434  Spiraea douglasii Dr. E. B. Copeland 1903-8-12 3836 Siskiyou Sisson 1066 Comment
  HSC62276  Spiraea splendens var. splendens Ruby Van Deventer 5 Aug [year missing] Siskiyou Youngs Valley Comment
  CHSC63614  Spiranthes romanzoffiana Vernon H. Oswald; Lowell Ahart 1994-8-10 6461 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
  CAS-BOT-BC94550  Spiranthes romanzoffiana R. C. Wenk 2006-9-2 548 Siskiyou Field redacted by CAS, contact the data manager for more information 1950 Comment
  CDA19580  Stachys rigida F. G. Andrews, A. J. Gilbert 2002-6-28 s.n. Siskiyou Northern California; Yreka Park, 0.5 mi W of Yreka. 844 Comment
  HSC69395  Stachys rigida Maralyn A. Renner 1980-8-8 2458 Siskiyou Rattlesnake Meadow 1646 Comment
  RSA273427  Stachys rigida subsp. rigida J. P. Smith, J. O. Sawyer 1972-9-14 5808 Siskiyou Miners Creek Road just south of French Creek Road between Callahan and Etna 915 Comment
  SEINET187664  Stellaria borealis subsp. sitchana W. Bridge Cooke 1940-7-5 15276 Siskiyou Wagon Camp. 1737 Comment
  JEPS51153  Stellaria calycantha Milo S. Baker 1898-8-1 487 Siskiyou 1 mi s Medicine Lake Comment
  CAS-BOT-BC391219  Stellaria longipes subsp. longipes Alice Eastwood 1921-7-28 10876 Siskiyou Medicine Lake Comment
  CAS-BOT-BC391220  Stellaria longipes subsp. longipes A. A. Heller 1920-6-27 13397 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC395085  Stellaria nitens Geo. D. Butler 1910-4-9 1158 Siskiyou near Yreka Comment
  CAS-BOT-BC204674  Stenanthium occidentale James R. Shevock 2012-7-21 40558 Siskiyou Siskiyou Mts., Rogue River National Forest. Along Forest Service Road 1055, 0.5 mile below Cook and Green Pass, Applegate River Drainage 1432 Comment
  RSA69524  Stenanthium occidentale J. T. Howell 1939-8-5 15070 Siskiyou Spirit Lake, Marble Mtns 1829 Comment
  JEPS36869  Stephanomeria lactucina Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Mt. Shasta Region of the Upper Sacramento Comment
  CDA8848  Stephanomeria lactucina T. C. Fuller 1967-8-14 16258 Siskiyou Road to McCloud Reservoir, 2 miles south of McCloud. 0 Comment
  HSC16332  Stephanomeria tenuifolia D. M. Thomson 1965-8-18 186 Siskiyou California Lava Beds National Monument; E slope of Caldwell Butte Comment
  HSC25452  Stipa nelsonii subsp. dorei J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5648 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  SEINET10610738  Stipa occidentalis A. Arthur Heller 1916-6-22 Heller 11427 Siskiyou Open places in the yellow pine belt in coarse sandy soil near Black Butte north of Sisson, elevation about 3700 feet. 1097 Comment
  HSC67808  Stipa occidentalis var. californica J. O. Sawyer, J. Cole 1980-7-22 3948 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  CAS-BOT-BC87854  Streptanthus tortuosus Ira L. Wiggins; Dorothy B. Wiggins 1961-6-15 16492 Siskiyou At quarry on Glass Mountain. Comment
  CHSC30242  Streptanthus tortuosus var. orbiculatus M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3263 A Siskiyou Little Mt. Hoffman, w side. 2225 Comment
  UC1188081  Streptanthus tortuosus var. orbiculatus Philip A. Munz 1960-8-22 24193 Siskiyou Panther Meadows Mt. Shasta 2529 Comment
  HSC18973  Streptanthus tortuosus var. tortuosus J. O. Sawyer 1969-7-8 1093 Siskiyou NE slope above Little Duck Lake 2140 Comment
  HSC27108  Streptanthus tortuosus var. tortuosus Carl W. Mize 1972-6-21 63 Siskiyou 0.25 mi. above road on WSW slope 305 Comment
  HSC60660  Streptanthus tortuosus var. tortuosus J. P. Smith, Steve Selva 1970-6-15 3928 Siskiyou 5 mi. NW of Forks of Salmon 335 Comment
  UC166206  Swertia albicaulis var. nitida Geo. D. Butler 1908-6-25 416 Siskiyou near Yreka Comment
  JEPS84333  Swertia albicaulis var. nitida L. R. Heckard with J. Hickman 1986-7-16 6439 Siskiyou ca 5 mi n Seiad Valley town (se of Red Butte); Lily Pad Lake 1770 Comment
  JEPS46346  Swertia radiata Geo. D. Butler 1908-8-4 417 Siskiyou Head of Shackelford Creek 1676 Comment
  CAS-BOT-BC269624  Symphoricarpos albus var. laevigatus Alice Eastwood 1912-7-17 1192 Siskiyou Sisson Comment
  CAS-BOT-BC234797  Symphoricarpos mollis John Thomas Howell 1937-7-23 13362 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC164059  Symphoricarpos mollis var. acutus Geo. D. Butler 1909-6-22 947 Siskiyou Goosenest foothills 1524 Comment
  UC165280  Symphyotrichum bracteolatum Geo. D. Butler 1910-8-13 1828 Siskiyou Oro Fino Comment
  JEPS40813  Symphyotrichum bracteolatum Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson, old stage road n in meadow Region of the Upper Sacramento Comment
  CAS-BOT-BC98854  Symphyotrichum spathulatum var. intermedium Milo S. Baker 1926-8-8 230 b-'26 Siskiyou Between Red Mt. and Grants Peak 2194 Comment
  CHSC33043  Symphyotrichum subspicatum J. P. Smith; J. O. Sawyer 1972-9-14 5804 Siskiyou Miner's Creek Road just south of French Creek R. between Callahan and Etna. 914 Comment
  POM359939  Taeniatherum caput-medusae E. E. Stanford 1930-6-16 1602 Siskiyou Roadsides and open fields near Hornbrook Comment
  UC226163  Tanacetum parthenium H. E. Brown Jun 15 1897-Jun 30 1897 482 Siskiyou n side Mt. Shasta 1524 Comment
  CHSC36174  Taraxia tanacetifolia K. Bridwell 1978-7-7 175 Siskiyou N slope of Sheep Mountain, ca. 10 mi e of Macdoel. 1584 Comment
  UC564179  Taraxia tanacetifolia Elmer I. Applegate 1935-7-2 9285 Siskiyou old road to the lava beds near National Monument; Frenner's ranch Comment
  NY17448  Taxus brevifolia I. L. Wiggins 1955-7-24 13482 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
  UC1037369  Taxus brevifolia Douglas Barbe 1955-7-9 158 Siskiyou s side Kangaroo Lake; Scott Mountains, Kangaroo Lake 1828 Comment
  CAS-BOT-BC332877  Tetradymia canescens Elmer I. Applegate 1935-8-3 10003 Siskiyou Lyons Road, north boundary of Lava Beds National Monument Comment
  UC449662  Tetradymia glabrata H. W. Furlong Sept 1901 Siskiyou Summit to Ager Comment
  HSC101480  Thelypodium brachycarpum J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 12998 Siskiyou Kalmath National Forest. South of the Gazelle-Callahan summit. 1704 Comment
  UCD93360  Thinopyrum intermedium T. C. Fuller 1962-8-30 9498 Siskiyou 5 miles N of Klamath River, Siskiyou Mountains, E of Beaver Creek, Raggedass Gulch. 182 Comment
  JEPS93904  Thlaspi montanum var. montanum Vernon H. Oswald and Lowell Ahart 1998-8-3 9426 Siskiyou w of Kangaroo Lake (near the Pacific Crest Trail in the Scott Mountains); Scott Mountains 1981 Comment
  UCR101152  Tiarella trifoliata var. unifoliata L. C. Wheeler 1959-7-25 7602 Siskiyou Marble Mtns, Camp Three, Rogers Creek Comment
  RSA237931  Tofieldia glutinosa subsp. occidentalis Frederick W. Oettinger 1968-8-3 371 Siskiyou Base camp, Hancock Lake. The Salmon Mountains: the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area 2012 Comment
  UC163801  Tofieldia occidentalis subsp. occidentalis Geo. D. Butler 1910-7-9 1702 Siskiyou pond, Shackleford Creek 1219 Comment
  UCD128151  Torilis arvensis Tracey Call; Viola Call 1964-6-22 2277 Siskiyou near Klamath river 0.25 mile east of Beaver Creek. Comment
  CAS-BOT-BC169254  Toxicodendron diversilobum Alice Eastwood 1917-9-2 6694 Siskiyou Shasta Sprnigs Comment
  CHSC88105  Tragopogon dubius Jenny Marr 1993-7-1 115 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC377158  Tragopogon porrifolius W. B. Cooke; V. G. Cooke 1958-10-10 s.n. Siskiyou Between High School and Howard, Mt. Shasta Comment
  UC2062584  Triantha occidentalis subsp. occidentalis Belinda Lo with Alex Randolph-Lowe 2017-7-16 340 Siskiyou SISKIYOU COUNTY: Klamath National Forest, Scott Mountain Botanical Area, southeast of Big Carmen Lake. Comment
  HSC60915  Triantha occidentalis subsp. occidentalis Al Hobart Siskiyou Black Butte Comment
  HSC96432  Triantha occidentalis subsp. occidentalis Tony LaBanca, Leonel Arguello, Gordon Leppig 1997-6-27 487 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  SEINET7972552  Trichostema lanceolatum G. D. Butler 1910-7-28 1793 Siskiyou Near Yreka Comment
  UC618635  Trientalis latifolia W. Bridge Cooke 1938-6-17 11050 Siskiyou Mount Shasta, Sisson Southern Trail Sisson Southern Trail; Mount Shasta, Sisson Southern Trail 1371 Comment
  UC630778  Trifolium cyathiferum A. A. Heller 1915-7-18 12107 Siskiyou ne base Mt. Eddy; Mtcalf's Ranch 1219 Comment
  HSC70495  Trifolium eriocephalum J. P. Smith, Steve Selva 1970-6-16 4016 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  SEINET12147893  Trifolium eriocephalum H. M. Hall, Babcock, E. B. 1903-1 4076 Siskiyou Mount Shasta. Near Upton 1219 Comment
  RSA237887  Trifolium howellii Frederick W. Oettinger 1968-7-17 557 Siskiyou Pine Lake Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  RSA624996  Trifolium howellii L. C. Wheeler 1963-8-27 8276 Siskiyou Siskiyou Mountains: Clear Creek, 1 mile below West Fork. 670 Comment
  UC163857  Trifolium hybridum Geo. D. Butler 1908-7-8 387 Siskiyou near Yreka Comment
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Nov 25 2011
  RSA582432  Trifolium hybridum Louis C. Wheeler 2791 Siskiyou Cottonwood Creek 838 Comment
  HSC92474  Trifolium incarnatum Jeanne McFarland, Kathie Meyer, Anne Mullenniex 1995-4-9 41 Siskiyou 3 mi. up the Salmon River, off Hwy. 96 351 Comment
  UCR39812  Trifolium longipes K. T. Stillman 1976-6-25 34 Siskiyou Marble Mountain Wilderness Area: montane and subalpine meadows. Marble Valley 1829 Comment
  SBBG22140  Trifolium longipes C. B. Hardham 1961-6-30 8126 Siskiyou White Mtn, near springs 1828 Comment
  UCD111253  Trifolium longipes A. C. Hoofer 1926-8-27 s.n. Siskiyou Siskiyou Mtn., Preston Peak Dist. Comment
  UC866844  Trifolium longipes var. elmeri A. A. Heller 1915-7-18 12099 Siskiyou Metcalf's Ranch northeast base of Mt. Eddy 1371 Comment
  HSC43823  Trifolium macrocephalum Maralyn O'Meara 1974-5-27 477 Siskiyou Along Rd. 47N03 Comment
  RSA183661  Trifolium repens Gilbert Muth 1965-8-16 229 Siskiyou Marble Valley Guard Station, Marble Mountains Comment
  POM28356  Trifolium siskiyouense Edward Palmer 1892-7-13 2510 Siskiyou Mt. Shasta and vicinity. Comment
  JEPS75360  Trifolium variegatum Geo. D. Butler 1909-6-5 797 Siskiyou near Yreka (McNutty's field) Comment
  CAS-BOT-BC520840  Trillium albidum A. M. Vollmer; L. Beane 1951-6-2 71 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway Comment
  UC164025  Trillium albidum Geo. D. Butler 1908-7-19 1087 Siskiyou Humbug <road> Comment
  HSC76926  Trillium ovatum subsp. oettingeri William J. Ferlatte 1983-6-28 2101 Siskiyou Tributary to Moosehead Creek, W of Rd. 39N96 1509 Comment
  CAS-BOT-BC200093  Trisetum canescens John Thomas Howell 1939-8-9 15199 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  POM207179  Trisetum canescens E. B. Copeland 1903-9-7 3794 Siskiyou Mt. Eddy. 2744 Comment
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Jan 23 2011
  CAS-BOT-BC200266  Trisetum spicatum Alice Eastwood 1921-7-28 10910 Siskiyou Medicine Lake Comment
  RSA233684  Trisetum spicatum R. F. Thorne, Frederick W. Oettinger 1969-8-10 38958 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  UCD94378  Trisetum spicatum J. M. Tucker 1963-8-19 3780 Siskiyou Marble Mountain Wilderness Area, headwaters of Canyon Creek. 1950 Comment
  CAS-BOT-BC200455  Trisetum wolfii Elmer I. Applegate 1923-8-17 3835 Siskiyou Medicine Lake Comment
  UC1258447  Triteleia crocea Maralyn A. Renner 1980-7-23 1832 Siskiyou Pacific Crest Trail near ridge about 1 mi e of Cook and Green Pass; Klamath National Forest, Seiad Valley Quad. 1752 Comment
  RSA206127  Triteleia crocea Gilbert Muth 1969-8-10 1337 Siskiyou Ridge west of Boulder Peak. 2378 Comment
  CAS-BOT-BC74102  Turritis glabra Ira L. Wiggins 1955-7-22 13446 Siskiyou In south fork of Salmon River, 9.5 miles above Cecilville. 1066 Comment
  HSC36609  Typha latifolia Brent Whiteley 1975-6-24 49 Siskiyou 235 Comment
  CAS-BOT-BC404213  Urtica dioica subsp. holosericea Carl B. Wolf 1927-8-26 1073 Siskiyou On the Klamath River, near Hamburg Comment
  UCD122054  Utricularia macrorhiza Barry Rice 2007-7-8 BR 070702 Siskiyou in Lower Cliff Lake. 1747 Comment
  CAS-BOT-BC199194  Vaccinium cespitosum Wm. Bridge Cooke 1938-7-21 11302 Siskiyou Panther Creek Comment
  CHSC608  Vaccinium cespitosum M. Yoder 1941-6-28 Siskiyou Castle Lake. 2133 Comment
  HSC19105  Vaccinium cespitosum J. O. Sawyer 1969-8-1 1614 Siskiyou Horseshoe Lake 2073 Comment
  HSC19514  Vaccinium cespitosum J. O. Sawyer 1969-8-2 1697 Siskiyou Slopes W of Little Duck Lake 2226 Comment
  CAS-BOT-BC199228  Vaccinium membranaceum John Thomas Howell 1939-8-2 14871 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC199233  Vaccinium membranaceum Wm. Bridge Cooke 1940-6-6 15032 Siskiyou Along the Castle Lake Road Comment
  HSC60770  Vaccinium membranaceum Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  CHSC32719  Vaccinium parvifolium J. P. Smith; Steve Selva 1970-7-15 4352 Siskiyou Klamath Nat'l Forest; road to Happy Camp. 731 Comment
  HSC23552  Vaccinium parvifolium J. O. Sawyer 1970-7-3 2313 Siskiyou W of Camp 3 Comment
  CAS-BOT-BC199486  Vaccinium scoparium Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Margin of Cedar Lake, Trinity Mts. 1828 Comment
  HSC19096  Vaccinium scoparium J. O. Sawyer 1969-8-1 1657 Siskiyou Along trail to Little Duck Lake 1951 Comment
  HSC19098  Vaccinium scoparium J. O. Sawyer 1969-8-1 1613 Siskiyou Horseshoe Lake 2073 Comment
  UCD94426  Vahlodea atropurpurea Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou Marble Mountain to Sky High Lake, east of Marble Mountain, Marble Mountains. 1975 Comment
  UCD95095  Vancouveria hexandra J. M. Tucker; D. V. Hemphill 1974-7-26 4294 Siskiyou Let 'Er Buck Meadows, 0.5 mile east of Haypress Meadows, Marble Mountain Wilderness Area. 1432 Comment
  CHSC111071  Veratrum californicum Barbara L. Wilson; Julie K. Nelson 2011-8-22 16854 Siskiyou Meadow on a tributary of the Middle Fork Sacramento River at the end of Forest Service road 40N64A. 1969 Comment
  CHSC2323  Veratrum californicum var. californicum V. Holt 1932-7-10 Siskiyou Mt. Shasta City. 1097 Comment