Search Results — 2000 specimen records retrieved (1364 records with coordinates)
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC69269  Abies X shastensis John Palmer 1980-7-24 640 Siskiyou Dillon Divide 1707 Comment
  HSC43427  Abies concolor Maralyn O'Meara 1974-5-25 390 Siskiyou Along road to Duck Lakes trail 1402 Comment
  HSC68390  Abies concolor Maralyn A. Renner 1980-6-26 1250 Siskiyou SE edge of Flint Valley. 1390 Comment
  RSA624394  Abies concolor L. C. Wheeler 1952-9-17 6938 Siskiyou Unspecified. Comment
  UC618789  Abies concolor W. B. Cooke 1938-9-2 11599 Siskiyou along Sisson Southern Trail; Mount Shasta, Sisson Southern Trail 1524 Comment
  RSA593944  Abies concolor L. C. Wheeler 1963-9-3 8338 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
  HSC49827  Abies lasiocarpa D. A. Thornburgh Aug 1978 Siskiyou Junction of Sky lake and Main Rim trails 1921 Comment
  JEPS59142  Abies lasiocarpa var. lasiocarpa J. O. Sawyer 1968-10-7 754 Siskiyou and surrounding forest w Little Duck Lake; Etna Quad 1935 Comment
  HSC69711  Abies magnifica Maralyn A. Renner 1980-7-15 1773 Siskiyou English Lake inlet 1780 Comment
  HSC29625  Abies procera Frederick W. Oettinger, R. F. Thorne 1969-8-6 1239 Siskiyou Marble Mtn. Wilderness Area, below Pine Lake. Bulk Collection #50 1883 Comment
  UC718152  Abies procera Carl B. Wolf 1934-7-5 5969 Siskiyou on road to Horse Creek 2.8 mi from Dry Lake Lookout; Siskiyou Mts. 2133 Comment
  CAS-BOT-BC331019  Acer glabrum var. glabrum Annie M. Alexander; Louise Kellogg 1948-9-8 5599 Siskiyou Top of grade between Sawyers Bar and Etna 1737 Comment
  CAS-BOT-BC331043  Acer glabrum var. glabrum Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Shackleford Trail below Bull Meadow Comment
  CAS-BOT-BC331048  Acer glabrum var. glabrum Wm. Bridge Cooke 1938-6-17 11003 Siskiyou Mount Shasta; Sisson Southern Trail. 1981 Comment
  UC1408873  Acer glabrum var. glabrum Frederick W. Oettinger and R. F. Thorne 1969-8-5 1206 Siskiyou along trail bet Abbotts Upper Cabin and English Lake (Willow Springs, High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Marble Mountain Wilderness Area, Salmon Mountains 1676 Comment
  JEPS80577  Acer glabrum var. torreyi Gilbert Muth 1965-8-3 147 Siskiyou down creek from Marble Valley , Marble Valley (Marble Mt. Wilderness Area) 1767 Comment
  RSA300515  Acer glabrum var. torreyi John Dourley, Walter Wisura 1982-10-17 3880 Siskiyou Mill Creek Ridge, ca. 18 mi N of Happy Camp, along old road up Indian Creek. 1524 Comment
Read comments
May 21 2014
  SEINET7892718  Acer negundo subsp. californicum G. D. Butler 1910-5-22 1384 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC30434  Achillea millefolium Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  RSA211200  Achillea millefolium William J. Ferlatte 1966-8-3 247 Siskiyou Trinity Alps: Big Flat, wooded area near public camp. 1524 Comment
  JEPS46215  Achlys triphylla subsp. triphylla A. E. Wieslander 1928-6-14 Siskiyou Cedar Camp Comment
  UCD50508  Achnatherum lemmonii Beecher Crampton 1969-6-18 8463 Siskiyou Oro Fino. (ca. 4 miles w.s.w. Fort Jones in direct line.) Comment
  JEPS104958  Achnatherum nelsonii subsp. dorei Dean W. Taylor 1996-6-28 15760 Siskiyou Antelope Mountain (about 8 air miles south of Yreka) 1798 Comment
  CAS-BOT-BC216919  Achnatherum occidentale C. B. W. 1938-7-22 11336 Siskiyou Sisson Southern Trail 1828 Comment
  UC1265474  Achnatherum occidentale subsp. californicum Frederick W. Oettinger 1968-8-8 454 a Siskiyou Crapo Meadow near Tom Taylor Cabin (vicinity of English Peak Marble Mountain Wilderness Area); Salmon Mountains, High Lake Basin 2026 Comment
  RSA184786  Achnatherum occidentale subsp. occidentale Gilbert Muth 1966-7-25 454 Siskiyou Marble Rim, Marble Mountains 2073 Comment
  UC196951  Achnatherum thurberianum Geo. D. Butler 1910-5-4 1277 Siskiyou near Yreka Comment
  JEPS107489  Achyrachaena mollis Lowell Ahart, John Dittes 2005-6-10 12113 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  UCD103807  Acmispon americanus var. americanus A. A. Heller 1916-8-24 12557 Siskiyou Near Sisson. 1074 Comment
  HSC4993  Aconitum columbianum subsp. columbianum J. O. Sawyer 1968-7-10 521 Siskiyou S side of Sugar Creek. 1616 Comment
  HSC69335  Aconitum columbianum subsp. columbianum John Palmer 1980-8-13 771 Siskiyou Dead Cow Creek, near USFS Rd. 47N44, Beaver Creek Rd. 1616 Comment
  CAS-BOT-BC413839  Aconogonon davisiae Wm. Bridge Cooke 1938-7-21 11289 Siskiyou Mount Shasta. Between Horse Camp and Panther Creek Meadows Comment
  HSC2417  Aconogonon davisiae William J. Ferlatte 1966-8-5 341 Siskiyou Caribou Mtn. 2470 Comment
  CHSC9484  Aconogonon newberryi J. F. Goodwin 1971-7-3 128 Siskiyou West side of road, 0.3 mi. south of Mt. Shasta Ski Bowl area. 2438 Comment
  UC637155  Actaea rubra Edward Lee 1934-8-15 1130 Siskiyou near summit of rd. Happy Camp to Waldo (Oregon); Klamath Nat'l Forest, Indian Creek watershed 1584 Comment
  CAS-BOT-BC29325  Adenocaulon bicolor John Thomas Howell 1937-7-21 13186 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC77785  Adenocaulon bicolor L. P. Janeway 1983-9-11 677 Siskiyou Poker Flat 1524 Comment
  JEPS74502  Adenocaulon bicolor W. J. Ferlatte 1966-8-18 405 Siskiyou 3 mi s, in wooded area Big Flat; Trinity Alps 1584 Comment
  HSC77281  Adenocaulon bicolor L. P. Janeway 1983-6-29 352 Siskiyou Along road 19N07 approx. 2 miles N of the Indian Cr. Rd. 701 Comment
  CAS-BOT-BC68956  Adiantum aleuticum A. A. Heller 1915-8-26 12235 Siskiyou Mt. Eddy in open swampy places in the forest. 1828 Comment
  JEPS107957  Aegilops cylindrica Lowell Ahart, John Dittes 2005-6-10 12122 Siskiyou North side of the corral, end of Salvadori Road, Nelson Ranch, about 1 1/4 miles (air) south of Highway 99/97 Cutoff, about 5 1/4 miles (air) east-southeast of Grenada 785 Comment
  CDA37711  Aegilops cylindrica R. Breckenridge/K. Filippini 2007-6-13 s.n. Siskiyou Montague. 0 Comment
  SEINET14139457 Image available Aegilops cylindrica T. C. Fuller 1960-5-24 4341 Siskiyou Roadside ditch, 4 mi. E. Montague Comment
  CHSC12950  Agastache parvifolia K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-23 5834 Siskiyou Vicinity of Blue Grotto Cave, Lava Beds National Monument. 1456 Comment
  CAS-BOT-BC540710  Agastache urticifolia Dana York 2012-7-22 3145 Siskiyou Siskiyou Mountains: Klamath National Forest, ca. 440 m ESE of Red Butte, springs around Bee Camp 1740 Comment
  JEPS62933  Agastache urticifolia Geo. D. Butler 1908-8-6 171 Siskiyou trail beyond Whiskey Camp Whiskey Camp (Marble Mountains); , Whiskey Camp 1676 Comment
  JEPS62947  Agastache urticifolia Ruby Van Deventer 1938-7-31 188 Siskiyou Poker Flat 1219 Comment
  UC454303  Ageratina occidentalis I. J. Condit 1911-7-1 Siskiyou Sisson Comment
  RSA184630  Ageratina occidentalis Clare B. Hardham 1965-8-20 1304 -4 Siskiyou Marble Mountains, near Cudahy lakes. Granite Trail. 1524 Comment
  SDSU6844  Ageratina occidentalis D. F. Howe 1964-8-6 3942 Siskiyou 3.5 miles south of Happy Camp on #96, Klamouth National Forest. 152 Comment
  CAS-BOT-BC29517  Agoseris William A. Dayton Jr. 1912-7-28 160 Siskiyou Shasta Forest, Ash Creek Sink Range 1188 Comment
  CAS-BOT-BC15478  Agoseris X dasycarpa Elmer I. Applegate 1923-8-17 3845 Siskiyou West side of Medicine Lake Comment
  CHSC254  Agoseris aurantiaca V. Holt 1943-8-14 Siskiyou Marble mountains. 1828 Comment
  RSA238738  Agoseris aurantiaca Frederick W. Oettinger 1969-7-28 1088 Siskiyou Moist grassy bank NNE of Tom's Lower Pond. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  UCD77307  Agoseris aurantiaca var. aurantiaca Robert E. Preston 2002-7-12 1906 Siskiyou Klamath National Forest, S slope of Rainbow Mountain, N of Trout Creek. 1712 Comment
  HSC61853  Agoseris grandiflora Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC15389  Agoseris grandiflora var. grandiflora L. R. Abrams 1926-7-4 11236 Siskiyou 1 mile west of Mt. Shasta City on road to Abrams Lake Comment
  CAS-BOT-BC22779  Agoseris heterophylla A. A. Heller 1905-6-15 8030 Siskiyou Near Sisson Comment
  UC61075  Agoseris heterophylla W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mt. Shasta Comment
  CAS-BOT-BC13189  Agoseris monticola Wm. Bridge Cooke 1938-9-8 11643 Siskiyou Near the South Gate Springs, Mount Shasta 2499 Comment
  RSA233667  Agoseris monticola R. F. Thorne, Frederick W. Oettinger 1969-8-10 38992 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  UC618847  Agoseris retrorsa W. Bridge Cooke 1938-6-17 11031 Siskiyou Southern Trail Sisson; Mount Shasta 1371 Comment
  CAS-BOT-BC110739  Agropyron Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mount Eddy. 1706 Comment
  CAS-BOT-BC126991  Agrostis exarata Melissa A. Berry 1957-7-11 s.n. Siskiyou Parrot Mill Road, vicinity of Callahan. 1036 Comment
  RSA239096  Agrostis exarata Frederick W. Oettinger 1969-8-22 1499 Siskiyou North side of Horse's Hole Meadows, Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  UCD37086  Agrostis exarata Beecher Crampton 1956-8-21 3829 Siskiyou Siskiyou County, 0.5 mile northeast of Gumboot Lake. 1767 Comment
  SEINET10790008  Agrostis exarata A. Arthur Heller 1915-7-18 Heller 12114 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy, in moist open places in the forest. The original growth of Jeffrey pine has been succeeded by Douglas fir. 1250 Comment
  POM207472  Agrostis hallii W. C. Blasdale, Jos Burtt Davy 1899-7-30 6175 Siskiyou Near Ferndale Comment
  RSA238366  Agrostis humilis Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1243 Siskiyou Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1883 Comment
  CAS-BOT-BC138931  Agrostis pallens Louis C. Wheeler 1934-8-14 3144 Siskiyou Siskiyou Mountains. East end White Mountain. 1767 Comment
  SEINET4343713 Image available Agrostis pallens Unknown 1996-7-7 15810 Siskiyou Salmon Mountains; Ruffey Lakes (about 8 air miles southwest of Etna), in cirque above the upper lake; Klamath National Forest 2073 Comment
  HSC40881  Agrostis scabra J. O. Sawyer 1973-7-16 2540 Siskiyou Along Wooley Creek at junction with Bridge Creek. 396 Comment
  POM207335  Agrostis scabra Edward Palmer 1892-1 2665 Siskiyou near Mt. Shasta Comment
  HSC30450  Agrostis thurberiana Frederick W. Oettinger, R. F. Thorne 1969-8-6 1243 Siskiyou Marble Mtn. Wilderness Area, Pine Lake 1883 Comment
  HSC30586  Agrostis thurberiana Frederick W. Oettinger 1969-8-22 1503 Siskiyou Salmon Mountains, Horse Range Lake, S of Horse's Hole Pond. 1875 Comment
  UC1108542  Agrostis variabilis Ira L. Wiggins 1955-7-27 13530 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  POM110310  Allium acuminatum Geo D. Butler 1910-5-17 1357 Siskiyou Dry hill Yreka. Comment
  CAS-BOT-BC461069  Allium anceps M. S. Taylor; J. Prouty 1980-6-25 2965 Siskiyou Grizzly Peak and ridge west of peak, 5 miles due east of Lake McCloud, Big Bend Quad., 1889 Comment
  HSC77343  Allium bolanderi var. bolanderi L. P. Janeway 1983-6-26 347 Siskiyou Near USFS Rd. 18N33 0.74 mi. from Grayback Rd. 1006 Comment
  UCD77310  Allium campanulatum Robert E. Preston 2002-6-20 1835 Siskiyou Klamath National Forest, Rainbow Mountain, 1911 Comment
  HSC77062  Allium falcifolium K. T. Stillman 1976-8-7 194 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  CAS-BOT-BC469077  Allium falcifolium Arthur Menzies 1962-7-21 s.n. Siskiyou Mt Eddy 2529 Comment
  CAS-BOT-BC469233  Allium falcifolium Milo S. Baker 1957-6-16 13123 Siskiyou Scott Mountain, North Coast Ranges 1645 Comment
  CAS-BOT-BC469238  Allium falcifolium Alice Eastwood 1923-5-29 12003 Siskiyou Cantara [historical town] Comment
  HSC44753  Allium falcifolium J. O. Sawyer 1978-6-17 3231 Siskiyou Marble Mountain Wilderness: Slopes E of Gem Lake. 2073 Comment
  CAS-BOT-BC453446  Allotropa virgata Alice Eastwood 1912-9-1 2060 Siskiyou Mount Shasta Comment
  RSA240085  Allotropa virgata Frederick W. Oettinger 1969-8-23 1515 Siskiyou Between Chimney Rock and Smith Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1418 Comment
  HSC29266  Alnus incana subsp. tenuifolia Frederick W. Oettinger 692 Siskiyou Marble Mtn. Wilderness Area, outlet of Abbotts Lake 1723 Comment
  JEPS123400  Alnus incana subsp. tenuifolia Julie Kierstead Nelson with Don Lepley, Rhonda Posey 2015-8-13 2015 -131 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. Comment
  JEPS58635  Alnus incana subsp. tenuifolia W. L. Jepson 1914-8-13 5795 Siskiyou Sisson; swamps 1097 Comment
  JEPS58663  Alnus incana subsp. tenuifolia Geo. D. Butler 1908-8-8 12 Siskiyou West Fork of Wooly Creek; lake at head 1676 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-BC169381  Alnus viridis subsp. sinuata Doris K. Kildale 1929-7-20 8614 Siskiyou SE spur of Preston Peak 1950 Comment
  CAS-BOT-BC138105  Alopecurus aequalis var. aequalis Dorothy Parker 1950-6-21 460 Siskiyou Along the edges of a slough in Scott Valley. 853 Comment
  UC1213791  Alyssum alyssoides Jean Langenheim 1957-5-19 4341 Siskiyou along rd. between Gazelle and Callahan Comment
  CAS-BOT-BC136714  Amelanchier alnifolia var. pumila R. F. Thorne 1969-8-23 63341 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak; Trail to upper English Lake along Salmon River 1159 Comment
  UC1222323  Amelanchier alnifolia var. semiintegrifolia Joseph P. Tracy 1951-6-16 19503 Siskiyou near State Line (at crossing of Takilma-Happy Camp Road, summit of the Siskiyous); Siskiyous Comment
  HSC68381  Amelanchier pallida Maralyn A. Renner 1980-6-26 1207 Siskiyou N edge of Flint Valley 1390 Comment
  RSA237659  Amelanchier pumila Frederick W. Oettinger 1969-8-13 1358 b Siskiyou Below Halfway Spring, trail from English Lake to Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC136909  Amelanchier utahensis Doris K. Kildale 1928-8-18 6412 Siskiyou North Fork Salmon River at Finley Camp Comment
  CHSC69085  Amelanchier utahensis Vernon Oswald; Lowell Ahart 1997-7-28 8793 Siskiyou Southeast of Medicine Lake at Paynes Springs. Paynes Creek Canyon north of the campground. 1981 Comment
  UC1540021  Amelanchier utahensis M. Mitchell 1936-5-14 18 Siskiyou Captain Jack's Stronghold 1249 Comment
  UC453988  Amelanchier utahensis I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat (Mt Bradley); Mt. Bradley 1676 Comment
  UC555443  Amelanchier utahensis Dorothy Tebbe 1929-6-5 126 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC222294  Amsinckia Alice Eastwood; John Thomas Howell 1934-4-20 1766 Siskiyou Near Yreka along Shasta River Comment
  CHSC7144  Amsinckia intermedia Gregory Barnes 1969-4-2 3 Siskiyou Beaver Creek Campground. Siskiyou Mountains. Comment
  RSA461382  Androsace elongata subsp. acuta Louis C. Wheeler 1935-3-16 3372 Siskiyou Klamathon, Klamath River. 701 Comment
  HSC4930  Anemone deltoidea J. O. Sawyer 1968-7-2 354 Siskiyou Upper drainage of Joe Creek 1677 Comment
  HSC4932  Anemone deltoidea J. O. Sawyer 1968-9-28 746 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  JEPS25621  Anemone deltoidea Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7254 Siskiyou Poker Flat 1536 Comment
  RSA238286  Anemone deltoidea Frederick W. Oettinger 1967-8-3 s.n. Siskiyou Along trail SE side of Hancock Lake. The Salmon Mtns. High lake basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1936 Comment
  UC1094391  Anemone drummondii Rimo C. Bacigalupi with Galen Smith 1957-6-26 5952 Siskiyou ca. 6 mi. due s. Mt. Eddy (slope above s. end Gumboot Lake, head of S. Fork Sacramento R.); S. Fork Sacramento R., Gumboot Lake 1859 Comment
  UC375345  Anemone drummondii Geo. D. Butler 1908-8-5 45 Siskiyou summit above Cold Spring (Woolly Creek); Woolly Creek Comment
  UCD95473  Anemone drummondii var. drummondii A. H. Murphy 1961-7-20 61 Q Siskiyou Marble Mountains. Klamath National Forest. Marble Valley Guard Station. Top of the ridge west of the guard station. 2042 Comment
  CAS-BOT-BC391939  Anemone multifida K. T. Stillman 1976-6-25 64 Siskiyou Marble Mountain Wilderness Area 2072 Comment
  CAS-BOT-BC391967  Anemone occidentalis L. E. Smith 1913-1-1 s.n. Siskiyou Mt. Shasta Comment
  CAS-BOT-BC391979  Anemone occidentalis Paul C. Hutchison 1962-8-2 943 Siskiyou Mt. Shasta, between Panther Meadow and top of ski lift 2895 Comment
  JEPS40860  Anemone occidentalis Paul C. Hutchison 1962-8-2 943 Siskiyou between Panther Meadow and top of ski lift Mt. Shasta 2895 Comment
  HSC28678  Anemone occidentalis Frederick W. Oettinger 1967-7-25 182 Siskiyou Marble Mtn. Wilderness Area, SSE of English Peak 2223 Comment
  POM100598  Anemone occidentalis Geo. D. Butler 1910-7-10 1736 Siskiyou Upper Carufehell Lake. 1677 Comment
  CDA39499  Anemopsis californica Cliff Giebner 1960-6-21 4540 Siskiyou Whitset Ranch. Yreka. 0 Comment
  HSC70541  Angelica arguta Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  RSA470339  Angelica arguta var. arguta M. B. Dunkle 1945-1 9339 Siskiyou Klamath National Forest; Marble Mountains, Black Marble ridge [?]. Comment
  UCD127110  Angelica genuflexa Joseph DiTomaso 1980-8-6 1855 Siskiyou 3 miles south of Grayback Pass. 1158 Comment
  RSA261569  Angelica tomentosa var. tomentosa J. M. Tucker, L. Mann 1963-7-4 3697 Siskiyou Vicinity of U.S. Forest Service Public Camp, just east of Finley Camp, road from Etna to Sawyers Bar Comment
  CAS-BOT-BC59284  Antennaria argentea Roxana S. Ferris; Laura Lorraine 1948-6-12 11724 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  UCR51803  Antennaria argentea L. C. Wheeler 1934-7-3 02852 Siskiyou Siskiyou Mtns., Head of Soda Creek, Sterling Mt. Mt. Diablo Meridian. 1768 Comment
  POM34162  Antennaria argentea Geo. D. Butler 1909-5-31 756 Siskiyou Humbug Creek. Comment
  UC29469  Antennaria argentea C. B. Bradley 1879-1 Siskiyou Comment
  CAS-BOT-BC59242  Antennaria corymbosa Gilbert J. Muth 1969-8-6 1212 Siskiyou Boulder Peak 2529 Comment
  RSA271911  Antennaria dimorpha Christopher Davidson 1975-6-5 2655 Siskiyou just above gate on special service rd branching SE off rd from Gazelle to Callahan 9.3 mi. W of Gazelle. 1471 Comment
  UC891579  Antennaria geyeri A. A. Heller 1938-7-12 15245 Siskiyou 5 mi n Weed (on highway #49) 1066 Comment
  CAS-BOT-BC58680  Antennaria howellii Jack Major 1961-7-14 648 Siskiyou Mud Creek, Mounta Shasta 1828 Comment
  HSC29211  Antennaria howellii Frederick W. Oettinger 1986-9-3 679 Siskiyou High Lake Basins of the Marble Mountains Wilderness Area; between Horse Range Lake and 'Horses Hole' pond 1860 Comment
  HSC49950  Antennaria racemosa G. L. Clifton, Griswold 1979-8-12 13993 Siskiyou Near Isinglass Creek, close to the town of Fort Jones 1952 Comment
  SJSU6486  Antennaria rosea R. W. Trivelpiece 1972-6-9 100 Siskiyou c. 4 mi E of Grass Lake, west-central Siskiyou County 1524 Comment
  SEINET515907  Antennaria rosea subsp. confinis Vernon Oswald 1997-7-28 8789 Siskiyou Southeast of Medicine Lake at Paynes Springs. 1981 Comment
  HSC21987  Antennaria rosea subsp. rosea J. O. Sawyer 1969-6-10 800 Siskiyou S face near Sugar Lake 1829 Comment
  CAS-BOT-BC102274  Anthemis cotula A. A. Heller 1916-7-20 12460 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy Comment
  RSA371501  Antirrhinum vexillocalyculatum subsp. breweri David M. Thompson 1983-7-2 363 Siskiyou Gazelle-Callahan Road, 2.5 miles NE of Hwy. 3. 1052 Comment
  JEPS107371  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
  HSC26736  Apocynum androsaemifolium J. O. Sawyer 1969-8-18 2019 Siskiyou NW facing slope above Duck Lake Creek. 1616 Comment
  JEPS24019  Apocynum androsaemifolium Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6880 Siskiyou 16 mi above and nw Happy Camp (Happy Camp - Takilma road, in drainage of Indian Creek); Siskiyou Mts., drainage of Indian Creek 1097 Comment
  RSA238027  Apocynum androsaemifolium subsp. pumilum Frederick W. Oettinger 1967-8-12 248 Siskiyou Crapo Peak, along the Tom Taylor Cabin- English Peak trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  RSA24234  Apocynum androsaemifolium subsp. pumilum C. B. Wolf 1940-12-13 3889 Siskiyou Mt. Shasta s lower slopes. 4 mi N of Mt. Shasta City along power line road. 1280 Comment
  CAS-BOT-BC397937  Aquilegia formosa Mrs. H. P. Bracelin 1931-6-19 407 Siskiyou N side of Mt. Eddy, up from Metcalf's ranch house 1341 Comment
  HSC81750  Aquilegia formosa Thomas W. Nelson, Jane P. Nelson 1980-7-19 6199 Siskiyou Along USFS Rd. 41N17 1.0mi junction with Callahan-Cecilville Rd. 1585 Comment
  HSC68428  Aquilegia formosa var. formosa Maralyn A. Renner 1980-7-4 1395 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  HSC40223  Arabidopsis thaliana J. P. Smith 1976-5-22 8789 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  UC1299659  Arabis Freed W. Hoffman 1951-7-15 4056 Siskiyou on w side Kelsey Creek (w Siskiyou County); Marble Mountains, Hammond Camp 1524 Comment
  HSC48280  Arabis divaricarpa var. interposita Ken Stillman 1978-7-6 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  CAS-BOT-BC251145  Arabis eschscholtziana R. C. Wenk 2005-7-16 252 Siskiyou Trinity Alps, South Fork of the Salmon River. South end of Big Flat Meadow 1493 Comment
  HSC29156  Arabis holboellii var. retrofracta Frederick W. Oettinger 1968-8-10 465 Siskiyou Salmon Mtns., High Lake Basins in the vicinity of English Peak, Marble Mtn. Wilderness Area; E side of Hancock Lake 2043 Comment
  HSC44946  Arabis holboellii var. retrofracta J. O. Sawyer 1978-6-18 3236 Siskiyou Marble Mtn. Wilderness, along trail N of Shelly Meadows 1921 Comment
  HSC99978  Arabis holboellii var. retrofracta Thomas W. Nelson, & Sydney Carothers 2005-7-17 9386 Siskiyou Etna Summit along Etna-Forks of the Salmon Rd.. 1804 Comment
  POM94627  Arabis holboellii var. retrofracta Geo. D. Butler 1910-7-12 1763 Siskiyou Shackleford Creek. 1372 Comment
  HSC90310  Arabis modesta D. L. Goforth 1980-4-23 468 Siskiyou Salmon River at Grant Bluff 290 Comment
  HSC40067  Arabis oregana J. P. Smith 1973-5-5 6497 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC90605  Arabis platysperma var. howellii Jennifer Whipple 1977-7-22 2057 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  POM144225  Arabis platysperma var. howellii M. S. Baker 1898-8-7 484 Siskiyou Medicine Lake. Comment
  HSC237  Arabis puberula William J. Ferlatte 1967-7-6 608 Siskiyou Dorleska Summit 2134 Comment
  POM94631  Arabis suffrutescens Geo. D. Butler 1908-8-3 128 Siskiyou Log Lake, Shackleford Creek Comment
  CAS-BOT-BC171700  Aralia californica Carl B. Wolf 1927-8-26 1104 Siskiyou On the Klamath River, 8 mi. above Happy Camp Comment
  RSA126341  Aralia californica I. L. Wiggins 1955-7-22 s.n. Siskiyou South Fork of Salmon River, 9.5 miles above Cecilville. 1067 Comment
  HSC27900  Arbutus menziesii Carl W. Mize 1972-9-23 120 Siskiyou Along Steinacher Creek Rd. above moist draw 610 Comment
  SEINET2471231  Arceuthobium abietinum subsp. wiensii R. L. Mathiasen 2008-9-16 2008 -34 Siskiyou 18.4 km W. of Indian Creek road on forest road 17N11 1310 Comment
  SEINET2471293  Arceuthobium abietinum subsp. wiensii R. L. Mathiasen 2007-9-16 2007 -46 Siskiyou Ca. 18 km W. of Indian Creek on forest road 17N11 1340 Comment
  CHSC97993  Arceuthobium campylopodum R. L. Mathiasen 2005-3-12 531 Siskiyou 0.8 km north of Highway 89 on forest road 88 (road to Mt. Shasta Ski Park). Shasta-Trinity National Forest. Comment
  HSC96174  Arceuthobium campylopodum R. L. Mathiasen 2005-3-12 532 Siskiyou 0.8 km N of Hwy. 89 on FS Rd. 88 (road to Mt. Shasta Ski Park), Shasta-Trinity National Forest Comment
  RSA50235  Arctostaphylos nevadensis E. K. Balls 1949-7-9 13944 Siskiyou 10.3 miles from Etna on rd. to Sawyer's Bar. Summit of pass over Salmon Mts. 1479 Comment
  UC412651  Arctostaphylos nevadensis Mus. Vert. Zool. 1911-6-21 166 Siskiyou Jackson Peak and Lake 2438 Comment
  SEINET11989660  Arctostaphylos nevadensis A. Seneres, Harold, N.; Edwards, S. W. 1982-1 s.n. Siskiyou SW grassy spur of Deadwood Peak Comment
  SBBG5452  Arctostaphylos nevadensis subsp. nevadensis H. and M. Dearing 1939-7-2 3800 Siskiyou Etna-Salmon Divide 1828 Comment
  CAS-BOT-BC46490  Arctostaphylos patula Reed Rollins; T. S. Chambers 1938-8-15 2722 Siskiyou 3 mi. s. of Weed. 914 Comment
  HSC30332  Arctostaphylos patula Dale R. Gradek 1974-5-27 88 Siskiyou 4 mi. SW of Chandler Glade on FS Rd. 47N03 1524 Comment
  HSC744  Arctostaphylos patula William J. Ferlatte 1967-6-29 579 Siskiyou Dorleska Summit 2134 Comment
  RSA238577  Arctostaphylos patula Frederick W. Oettinger 1968-9-8 778 Siskiyou Just due N. of English Lake outlet. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  SEINET2029610 Image available Arctostaphylos patula Reed C. Rollins, T. S. Chambers 1938-8-15 2722 Siskiyou 3 mi south of Weed 914 Comment
  UC60989  Arctostaphylos patula Geo. B. Grant September 1902 5171 Siskiyou Sisson Mount Shasta 914 Comment
  UCD53417  Arctostaphylos patula Robert E. Preston 2001-6-23 1564 Siskiyou Klamath National Forest; north slope of Rainbow Mtn. at Hemlock Lake. 1889 Comment
  HSC67138  Arctostaphylos viscida J. P. Smith 1973-5-5 6482 Siskiyou Along Cook and Green Pass Rd. Comment
  JEPS51409  Arenaria congesta var. suffrutescens Geo. D. Butler 1908-8-3 51 Siskiyou Log Lake 1371 Comment
  CAS-BOT-BC384753  Arenaria serpyllifolia var. serpyllifolia Roxana S. Ferris; Laura Lorraine 1948-6-12 11857 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side 1417 Comment
  UCD129099  Arnica cernua G. L. Stebbins Jr.; A. A. Beetle 1942-6-1 3269 Siskiyou 15 miles north of Happy Camp, above Indian Creek. 1219 Comment
  CHSC69067  Arnica chamissonis Vernon H. Oswald; Lowell Ahart 1997-7-28 8805 Siskiyou Large, vernally flooded meadow on the east side of Forest Route 15, 10.9 mi north of Hwy. 89. 1383 Comment
  JEPS22842  Arnica chamissonis A. A. Heller 1938-7-13 15270 Siskiyou 1 mi s Bray 1402 Comment
  UC1192167  Arnica chamissonis Calvin McMillan and Malcolm A. Nobs 1949-6-17 798 Siskiyou Highway 97 Grass Lake Comment
  RSA211217  Arnica cordifolia William J. Ferlatte 1966-8-5 338 Siskiyou Caribou Mtn., Open granite slopes and ridges. Near summit. 2470 Comment
  CAS-BOT-BC295872  Arnica dealbata Alice Eastwood 1921-7-28 10900 Siskiyou Medicine Lake Comment
  CHSC110956  Arnica dealbata B. Castro; L. P. Janeway 2007-7-29 1667 Siskiyou High Cascade Range. Medicine Lake Highlands; about 0.5 mi W of Medicine Lake, 0.3 mi W on USFS Rd43N48 from its jcn with Rd 43N47 (which is the road to Schonchin Spring). 2075 Comment
  HSC75631  Arnica dealbata J. O. Sawyer, R. J. Cole 1980-7-21 3823 Siskiyou 0.2 mile east of Medicine Lake Ranger Station; west end of Medicine Lake Comment
  HSC42945  Arnica discoidea J. O. Sawyer, Ken Stillman 1976-7-1 2764 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  HSC61861  Arnica discoidea Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  SJSU6541  Arnica latifolia R. W. Trivelpiece 1973-6-28 155 Siskiyou Big Duck Lake, Scott River drainage c. 7.5 mi W of Callahan, southwestern Siskiyou County 2042 Comment
  HSC29113  Arnica latifolia Frederick W. Oettinger, R. F. Thorne 1969-8-6 1256 Siskiyou Marble Mtn. Wilderness Area, above flume in Tom's Lake Basin 1890 Comment
  HSC713  Arnica latifolia William J. Ferlatte 1967-8-20 1042 Siskiyou Carabou Basin 2287 Comment
  RSA253490  Arnica latifolia C. L. Hitchcock, J. S. Martin 1939-7-7 5233 Siskiyou On road to Bolan Lake, 5 mile from cut off at jct with Takilma Happy Camp road 1768 Comment
  JEPS84189  Arnica mollis L. R. Heckard with S. D'Alcamo, J. Hickman, W. Roderick 1986-7-16 6426 Siskiyou ca 5 mi n Seiad Valley (cirque at head of Hell's Canyon); e slope of Kangeroo Mountain, head of Hell's Canyon 1828 Comment
  CAS-BOT-BC90060  Arnica nevadensis Philip A. Munz 1952-7-2 17879 Siskiyou road to Baldy Mt., n.w. of Happy Camp, Siskiyou Mts. 1493 Comment
  UC195205  Arnica nevadensis Annie M. Alexander and L. Kellogg 1911-6-28 204 Siskiyou Wildcat Pk. 2194 Comment
  RSA237477  Arnica nevadensis Frederick W. Oettinger 1967-7-20 177 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-BC90085  Arnica viscosa Morton D'Evelyn 1931-8-12 s.n. Siskiyou Near Wagon Camp, Mt. Shasta 1524 Comment
  CAS-BOT-BC146278  Arrhenatherum elatius var. elatius Gilbert Muth 1966-8-1 487 Siskiyou Marble Mountains. Marble Valley Horse Pasture. 1792 Comment
  CAS-BOT-BC90096  Artemisia Alice Eastwood 1912-8-30 s.n. Siskiyou Mount Eddy Comment
  UCD70481  Artemisia R. Fernau 1997-6-26 2 Siskiyou Klamath Mountains: Marble Mountain Wilderness. Summit of mountain, mafic metavolcanic rocks, no trees. Taxa with highest cover values: Artemisia arbuscula?, Phlox, Festuca, and Phacelia. 2097 Comment
  CAS-BOT-BC85025  Artemisia arbuscula subsp. arbuscula Louis C. Wheeler 1934-8-26 3226 Siskiyou Trapper Cr. - Klamath National Forest 1981 Comment
  JEPS80515  Artemisia borealis subsp. borealis Gilbert Muth 1966-7-22 435 Siskiyou Marble Rim Marble Mountain Wilderness Area 2194 Comment
  HSC27231  Artemisia douglasiana J. P. Smith, J. O. Sawyer 1971-9-18 4798 Siskiyou Hwy. 3 between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  CAS-BOT-BC90741  Artemisia ludoviciana subsp. incompta Gilbert Muth 1965-8-18 s.n. Siskiyou [Nort] North side of Black Mountain Comment
  HSC35802  Artemisia norvegica subsp. saxatilis J. O. Sawyer 1969-8-4 1821 Siskiyou Above Sugar Lake 2134 Comment
  CDA10177  Artemisia tridentata F. D. Horn 1977-10-5 Siskiyou Approximately 12 miles northeast of Weed; Shasta Vista Estates. 0 Comment
  CAS-BOT-BC97418  Artemisia tridentata subsp. tridentata George H. Ward; Ann Ward 1949-7-14 828 Siskiyou ca. 15 mi. NE of Weed Comment
  SEINET516317  Artemisia tridentata subsp. tridentata Vernon H. Oswald 1998-9-16 9629 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Smas Neck Rd. and Hwy. 97 ca. 5 mi N of Macdoel. 1295 Comment
  CAS-BOT-BC447719  Aruncus dioicus var. vulgaris C. A. Chamberlain 1934-8-17 3179 Siskiyou Siskiyou Mts.; N side White Mt. 1828 Comment
  HSC48291  Asarum caudatum J. O. Sawyer, K. T. Stillman 1978-7-6 3294 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  HSC36712  Asarum caudatum Brent Whiteley 1975-7-3 138 Siskiyou 1220 Comment
  HSC103546  Asarum hartwegii Thomas W. Nelson 2005-5-24 9319 Siskiyou Shoeinhorse Mountain, along Forest Service Rd. 11, just west of Butcherknife Creek 880 Comment
  RSA239010  Asarum hartwegii Frederick W. Oettinger 1966-7-25 38 Siskiyou Vicinity of Timber Gulch, Klamath National Forest; Cecilville 671 Comment
  RSA401670B  Asclepias cordifolia E. E. Stanford 1930-6-15 1594 Siskiyou Near Shasta City Comment
  SEINET10580339  Asclepias cordifolia H. E. Brown 1897-6-11 Brown 371 Siskiyou Mt. Shasta, N side 1524 Comment
  SEINET10829548  Asclepias cordifolia F. Marion Ownbey, D. H. Brown 1941-6-22 Ownbey 2423 Siskiyou Gravelly ridge W of Craggy Mountain, NW of Yreka Comment
  HSC61495  Asclepias fascicularis Ruby Van Deventer 9 Aug [year missing] Siskiyou Kelley Lake and Kelley Lake Trail Comment
  HSC65054  Asclepias speciosa J. P. Smith, Steve Selva 1970-6-16 4085 Siskiyou W of Sawyers Bar Comment
  HSC65314  Asclepias speciosa J. P. Smith, Steve Selva 1970-7-15 4362 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  SEINET7120959  Asclepias speciosa G. D. Butler 1910-6-8 1557 Siskiyou Near Yreka Comment
  CAS-BOT-BC69592  Aspidotis densa Geo. D. Butler 1908-8-4 239 Siskiyou Head of Shackleford Creek. Comment
  CAS-BOT-BC69593  Aspidotis densa C. L. Hitchcock; J. S. Martin 1939-7-7 5283 a Siskiyou 1/2 mi. below Sanger Peak Lookout. 1524 Comment
  CAS-BOT-BC69597  Aspidotis densa L. B. Kildale 1930-6-1 9848 Siskiyou Mill Creek near Etna Mills. Comment
  HSC92678  Aspidotis densa Jennifer Whipple 1976-8-20 1725 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2195 Comment
  POM23468  Aspidotis densa E. B. Copeland 1903-8-18 3815 Siskiyou Mount Eddy 1677 Comment
  UC1242059  Aspidotis densa Don Branscomb 1958-7-22 Siskiyou NE Siskiyou Co Comment
  POM114186  Aspidotis densa Geo D. Butler 1910-6-4 1494 Siskiyou Shackleford Creek Comment
  RSA686379  Aspidotis densa M. B. Dunkle 1945-1 9305 Siskiyou Klamath National Forest, Marble Mountains 2439 Comment
  RSA417621  Aster M. B. Dunkle 1929-8-26 2332 Siskiyou Golden Trout Creek. 2744 Comment
  CHSC34100  Aster radulinus J. D. Jokerst; M. D. Huffine 1981-9-11 1474 Siskiyou 4 air miles NE of China Peak. Comment
  CAS-BOT-BC178813  Astragalus californicus L. E. Smith 1914-5-14 697 Siskiyou Yreka Comment
  CAS-BOT-BC178818  Astragalus californicus A. A. Heller 1905-6-22 8082 Siskiyou Between Igerna and Weed. Comment
  CAS-BOT-BC178807  Astragalus californicus T. S. Brandegee 1887-6-1 s.n. Siskiyou Near Yreka Comment
  SEINET5323336  Astragalus californicus Unknown 1909-5-8 593 Siskiyou Humbug Road and McNutty's Field Comment
  UC1096785  Astragalus filipes Milo S. Baker 1957-6-16 13150 Siskiyou trip to Scott Mt. ca 5-6 mi from Turn Off near Callahan; near Callahan Comment
  RSA0002917  Astragalus hendersonii Geo D. Butler 1909-5-8 706 Siskiyou Klamath Rim. Comment
  SEINET7042832  Astragalus obscurus A. G. Vestal 1955-5-16 s.n. Siskiyou Serpentine ca. 6.2 miles northwest of Weed. Weed quadrangle UTM Zone 10, 543291mE, 4591309mN. Comment
  CAS-BOT-BC192920  Astragalus purshii var. lectulus L. E. Smith 1914-4-20 634 Siskiyou Yreka Comment
  UC83869  Astragalus purshii var. tinctus Katharine Brandegee July 1887 Siskiyou near Mt. Shasta (Edgewood); near Mt. Shasta, Edgewood Comment
  RSA47627  Astragalus purshii var. tinctus Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11710 Siskiyou Schoolhouse Hill, Plowmans Valley [Noyes Valley], East Fork of Scott River Comment
  JEPS95304  Astragalus whitneyi var. siskiyouensis Vernon H. Oswald and L. Ahart 1994-7-11 6398 Siskiyou T39N R6W NE1/4 Sec. 26, 6320 ft, Red Fir Forest. Forest Rd. 26 (to Mt. Shasta) 0.6 mi N of Gumboot Trailhead on the Pacific Crest Trail, W of Dunsmuir 1926 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
  RSA415402  Astragalus whitneyi var. siskiyouensis M. B. Dunkle 1944-7-18 9127 Siskiyou Siskiyou National Forest. 1890 Comment
  HSC61203  Athyrium distentifolium var. americanum Al Hobart Siskiyou El Capitan Comment
  UC1408832  Athyrium filix-femina var. cyclosorum Frederick W. Oettinger 1968-8-14 511 Siskiyou just below Tom Taylor Cabin spring; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2042 Comment
  UC150686  Athyrium filix-femina var. cyclosorum Copeland 1903-9-5 3848 Siskiyou Mt. Eddy Comment
  UC399379  Athyrium filix-femina var. cyclosorum Geo. D. Butler 1908-8-4 244 Siskiyou Woolly Creek Cold Spring Comment
  CAS-BOT-BC17615  Athysanus pusillus George Dexter Butler 1910-3-27 1145 Siskiyou Near Yreka. Comment
  RSA47777  Athysanus pusillus Roxana S. Ferris, Laura Lorraine 11856 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side. 1418 Comment
  HSC4357  Atriplex truncata L. C. Wheeler 1934-10-21 3330 Siskiyou Shasta Valley 4 mi. E of Grenada 869 Comment
  HSC9016  Avena fatua R. C. Wunner 1965-7-21 405 Siskiyou Lava Beds National Monument, near Captain Jacks Stronghold Comment
  UCD56306  Avena fatua A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3395 Siskiyou 7 miles N of Weed. Comment
  CAS-BOT-BC106546  Balsamorhiza deltoidea L. E. Smith 1914-4-25 641 Siskiyou Yreka Comment
  CDA10485  Balsamorhiza hookeri F. D. Horn 1978-4-27 Siskiyou End of Litchens Road, Montague. 0 Comment
  CAS-BOT-BC106446  Balsamorhiza sericea Roxana S. Ferris; Laura Lorraine 1948-6-12 11713 Siskiyou Schoolhouse Hill Plowmans Valley (Noyes Valley), east fork of Scott River Comment
  SBBG2418  Barbarea vulgaris H. and M. Dearing 1939-6-5 3550 Siskiyou E of McCloud Comment
  RSA210843B  Bassia hyssopifolia R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39042 Siskiyou 2 miles W of Lower Klamath National Wildlife Refuge 1296 Comment
  CDA24388  Berberis aquifolium T. C. Fuller 1962-8-3 9521 Siskiyou Siskiyou Mountains; Slope above Salt Gulch, Horse Creek. 0 Comment
  HSC22118  Berberis aquifolium var. aquifolium J. O. Sawyer 1969-6-11 809 Siskiyou Next to C.C.C. road near the N fork of Horse Range Creek. 1326 Comment
  CAS-BOT-BC75718  Berberis nervosa J. H. Thomas 1954-5-13 4133 Siskiyou Salmon Mountains. Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. 1066 Comment
  JEPS47782  Berberis nervosa W. L. Jepson 1894-1 Siskiyou Shasta Springs Comment
  CAS-BOT-BC75941  Berberis piperiana P. C. Everett; E. K. Balls 1954-10-12 20271 Siskiyou Beaver Creek from Dutch Creek south 0.5 mile north of Walker. 548 Comment
  CAS-BOT-BC76005  Berberis pumila John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53389 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones. 1249 Comment
  UC572972  Berula erecta Louis C. Wheeler 1935-7-3 3649 Siskiyou 2 mi nw of Montague (Shasta River); Shasta River 762 Comment
  CAS-BOT-BC169483  Betula occidentalis Alice Eastwood 1912-7-23 1341 Siskiyou Cantara Comment
  CAS-BOT-BC169488  Betula occidentalis W. R. Dudley 1901-8-26 s.n. Siskiyou Salmon Mountains Comment
  CAS-BOT-BC169492  Betula occidentalis Louis C. Wheeler 1934-6-27 2808 Siskiyou Cottonwood Cr., Klamath National Forest 792 Comment
  CAS-BOT-BC102120  Bidens cernua Louis Wheeler 1934-10-21 3337 Siskiyou Shasta Valley 4 mi. E Grenada 868 Comment
  HSC42937  Bidens frondosa Ken Stillman 1976-8-24 437 Siskiyou Along the Klamath River at Williams Point 366 Comment
  UCR30556  Bidens frondosa John C. Roos 1948-9-1 3942 Siskiyou Marsham Stream at Yreka Comment
  CAS-BOT-BC413076  Bistorta bistortoides H. A. Thomas; J. H. Thomas 1954-7-24 4496 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC413080  Bistorta bistortoides Doris K. Kildale 1929-8-24 9039 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  JEPS40211  Blepharipappus scaber Geo. D. Butler 1909-5-10 697 Siskiyou near Yreka Comment
  UC166582  Blepharipappus scaber Geo. D. Butler 1909-5-10 697 Siskiyou Yreka Comment
  JEPS40348  Blepharipappus scaber W. L. Jepson 1907-7-1 Siskiyou w Siskiyou Co. Comment
  OBI55524  Blepharipappus scaber David J. Keil, Kathleen Keil 1992-7-21 23513 Siskiyou Klamath Natl forest SE of Callahan on hwy 3, 5.3 mi NW of Scott Mtn summit Comment
  UC199785  Boechera Annie M. Alexander and L. Kellogg 1911-6-21 170 Siskiyou Jackson Lake Jackson Pk. Comment
  SBBG111487  Boechera J. M. Tucker 1963-7-7 3723 Siskiyou Marble Mtn Wilderness Area, vicinity of Paradise Lake at E base of King's Castle 1981 Comment
  CAS-BOT-BC15792  Boechera acutina John Thomas Howell 1939-8-2 14945 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  CAS-BOT-BC15793  Boechera acutina John Thomas Howell 1939-8-9 15193 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  CAS-BOT-BC15797  Boechera acutina Alice Eastwood 1912-8-30 1963 Siskiyou Mount Eddy. Comment
  UC375284  Boechera acutina Geo. D. Butler 1910-6-5 1537 Siskiyou Log Lake Comment
  CAS-BOT-BC16019  Boechera breweri subsp. breweri Doris K. Kildale 1929-5-12 7810 Siskiyou Sawyers Bar. North Fork of Salmon River. 609 Comment
  CAS-BOT-BC16026  Boechera breweri subsp. breweri John Thomas Howell 1937-7-26 13540 Siskiyou Caribou Mountain. 2438 Comment
  JEPS82521  Boechera lyallii Gilbert Muth 1966-8-3 493 Siskiyou Marble Valley Marble Mountain Wilderness Area 1792 Comment
  CAS-BOT-BC14112  Boechera pauciflora Alice Eastwood; John Thomas Howell 1934-4-20 1768 Siskiyou Near Yreka along Shasta River. Comment
  UCD114422  Boechera pinetorum James Payne Smith Jr. 1976-5-21 8774 Siskiyou Klamath National Forest, Forest Road 40N08, 12.3 miles from its junction with State Route 3. 1219 Comment
  JEPS53084  Boechera retrofracta Geo. D. Butler 1909-4-18 728 Siskiyou near Yreka Comment
  CAS-BOT-BC25688  Boechera sparsiflora Alice Eastwood; John Thomas Howell 1934-4-20 1762 Siskiyou Near Yreka along Shasta River. Comment
  UC1333316  Boechera stricta Dorothy Parker 1949-5-28 305 Siskiyou Kidder Creek Salmon Mountains Range 914 Comment
  JEPS53188  Boechera subpinnatifida J. W. Kisling 1910-4-20 Siskiyou Edgewood Comment
  UC165991  Boechera subpinnatifida Geo. D. Butler 1910-6-1 1446 Siskiyou Yreka Comment
  CAS-BOT-BC25916  Boechera suffrutescens John Thomas Howell 1937-7-29 13632 Siskiyou Summit ridge of Scott Mountain between Siskiyou and Trinity counties. Comment
  POM46111  Boisduvalia densiflora var. densiflora Geo. D. Butler 1910-6-29 1614 Siskiyou Yreka Creek Comment
  JEPS83833  Boykinia major Wayne Roderick July 1978 Siskiyou vicinity Cook and Green Pass (near spring w of Pass); Siskiyou Mountains, vicin Cook and Green Pass 1463 Comment
  SJSU6512  Boykinia major R. W. Trivelpiece 1972-6-15 115 .5 Siskiyou Vann Cr near Bear Peak c. 15 mi SW of Happy Camp 1280 Comment
  RSA105405  Boykinia major G. D. Barbe 1955-7-4 093 Siskiyou 11 miles S of Etna on the N Fork of French Creek. About 1000 ft from Parrot Mill Rd. 976 Comment
  RSA211105  Boykinia major William J. Ferlatte 1966-8-17 395 Siskiyou Caribou Basin; Trinity Alps 1982 Comment
  UC1585413  Boykinia major R. Raiche, K. Zadnik, and H. Forbes 1989-10-3 UCBG 42 Siskiyou on rd to Cook and Green Pass at Horsetail Falls (n of Seiad Valley) 1254 Comment
  CAS-BOT-BC418419  Boykinia occidentalis Doris K. Kildale 1929-7-20 8547 Siskiyou South Fork Indian Creek near Gilmore's 457 Comment
  UC75828  Brickellia grandiflora Milo S. Baker 1899-7-1 Siskiyou e slope of Mt. Shasta Mt. Shasta Comment
  CAS-BOT-BC127859  Brickellia grandiflora Wm. Bridge Cooke 1941-8-22 16209 Siskiyou among lava boulders in the Lava Park above Bolam Station on the north side of Mt. Shasta 1524 Comment
  SEINET5707333 Image available Brickellia greenei Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7693 Siskiyou Scott Mts. Collected along Road 17, 8.8 mi. SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1586 Comment
  OBI55536  Brickellia greenei David J. Keil 1992-7-24 23562 Siskiyou Klamath Natl forest E of Callahan. 2.5 mi N of Kangaroo Lake on Rail Crk rd Comment
  SEINET10514368  Briza maxima A. Arthur Heller 1905-6-20 Heller 8075 Siskiyou Gazelle. Comment
  SEINET10570660  Brodiaea George D. Butler 1910-5-27 Butler 1415 Siskiyou Wet meadow Shasta Valley Comment
  SEINET10533786  Brodiaea crocea F. Marion Ownbey 1941-6-22 Ownbey 2419 Siskiyou Gravelly soil in open pine forest, just south of Craggy Mounatin, Northwest of Yreka. Comment
  JEPS7633  Brodiaea elegans subsp. elegans Geo. D. Butler 1909-7-20 888 Siskiyou Highland Mine Comment
  CAS-BOT-BC484385  Brodiaea elegans subsp. elegans D. E. Breedlove 1962-6-10 3313 Siskiyou Along Indian Creek Road, 2.3 miles northwest of Happy Camp, Siskiyou Mountains 365 Comment
  CAS-BOT-BC148795  Bromus carinatus var. marginatus G. P. Rixford s.n. Siskiyou South side of Shaft-Rock Mountain Hilt. Comment
  HSC43470  Bromus hordeaceus Maralyn O'Meara 1974-5-25 381 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  UCD58882  Bromus laevipes R. Tofsrud 1949-8-3 s.n. Siskiyou Klamath River between Seiad Valley and Happy Camp. Comment
  POM90566  Bromus orcuttianus A. A. Heller 1905-6-13 8026 Siskiyou near Shasta Springs [Siskiyou Co.?--county not indicated on specimen label] Comment
  POM112727  Bromus rubens Geo D. Butler 1910-5-4 1270 Siskiyou Dry hill near Yreka Comment
  CAS-BOT-BC185597  Bromus tectorum Ira L. Wiggins 1950-5-27 12356 Siskiyou Callahan. Banks of east fork of Scott River, at Callahan Ranger Station. 975 Comment
  HSC76905  Bromus tectorum K. T. Stillman 1976-9-10 503 Siskiyou Marble Mountain Wilderness Area, across marble on E side of Black Mountain 2104 Comment
  HSC97183  Calamagrostis canadensis Gordon Leppig 1998-8-14 1033 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  HSC31104  Calamagrostis canadensis var. langsdorffii Frederick W. Oettinger 1969-9-4 1652 Siskiyou Marble Mtn. Wilderness Area, Tobacco Lake 1890 Comment
  CAS-BOT-BC185264  Calamagrostis koelerioides A. A. Heller 1915-8-26 12243 Siskiyou North side of Mount Eddy. Comment
  HSC30642  Calamagrostis koelerioides Frederick W. Oettinger 1969-9-3 683 Siskiyou Marble Mountain Wilderness Area, W of Horse Range Lake, NW of Horse's Hole Pond 1921 Comment
  SEINET8205872  Calliscirpus criniger J. W. Stacey 1940-6-6 15054 Siskiyou near springs along the shores of Castle Lake. 1676 Comment
  RSA237963  Callitriche heterophylla Frederick W. Oettinger 1969-8-15 1388 Siskiyou Inlet meadow to Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC92674  Calocedrus decurrens Jennifer Whipple 1977-8-5 2191 Siskiyou Slopes near Little Crater Lake 2195 Comment
  JEPS39848  Calocedrus decurrens W. L. Jepson 1907-7-19 2946 Siskiyou Indian Creek Siskiyou Mts., Indian Creek Comment
  HSC77046  Calochortus coeruleus K. T. Stillman 1976-6-25 31 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  JEPS113327  Calochortus elegans L. P. Janeway 2006-7-4 8795 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. Comment
  UC375200  Calochortus elegans Geo. D. Butler 1910-5-1 1260 Siskiyou Humbug Mountain Comment
  UCD139507  Calochortus elegans Nancy J. Hull 1974-5-27 136 Siskiyou Sugar Creek Road by Sugar Creek Dam, west of Scott Valley. Comment
  CAS-BOT-BC32305  Calochortus elegans var. nanus Marion Ownbey; Mrs. Ruth Peck Ownbey 1938-7-19 1748 Siskiyou 2.5 miles NE of Dry Lake Lookout, summit of Siskiyou Mountains Comment
  RSA183691  Calochortus elegans var. nanus Gilbert Muth 1965-8-6 189 Siskiyou Marble Mountains, backside of Blk. Mtn. 2073 Comment
  SEINET8339364  Calochortus macrocarpus Frank Callahan 2007-6-23 Siskiyou Louie Rd. exchange off I-5 going northeast on pavement - pavement ends and road turns to gravel. Comment
  HSC15366  Calochortus macrocarpus var. macrocarpus D. M. Thomson 1965-7-21 155 Siskiyou Lava Beds National Monument, N boundary rd., near Canbys Cross Comment
  CHSC2232  Calochortus nudus N. Jaekel 1939-7-6 Siskiyou Castle Lake. 1981 Comment
  CHSC67731  Calochortus nudus J. D. Jokerst 1983-6-6 1832 Siskiyou At Tom Young Flat. Comment
  CHSC71611  Calochortus nudus Vernon H. Oswald; Lowell Ahart 1998-8-3 9443 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. West of Kangaroo Lake. 1981 Comment
  CAS-BOT-BC132628  Calochortus uniflorus W. R. Dudley 1899-8-26 s.n. Siskiyou Upper Sacramento Comment
  UC199253  Caltha biflora Annie M. Alexander and Louise Kellogg 1911-6-22 177 Siskiyou Jackson Lake. 1798 Comment
  RSA0120933  Caltha biflora Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63385 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  CAS-BOT-BC181499  Caltha leptosepala Lillian Mott 1976-7-9 48 LM76 Siskiyou Meadow below north slope of Lily Pad Lake ca. 7 mi. west of Cook and Green Pass 2011 Comment
  CAS-BOT-BC273386  Calycadenia fremontii G. D. Carr 1974-9-11 780 Siskiyou 2.0 mi NE of Callahan on Gazelle-Callahan Rd 1007 Comment
  CAS-BOT-BC272741  Calycadenia truncata subsp. truncata R. L. Carr 1978-8-17 2129 Siskiyou Ca. 4.0 mi W of Gazelle on the Gazelle-Callahan Rd, S of Yreka 950 Comment
  UC164385  Calypso bulbosa Geo. D. Butler 1910-6-5 1512 Siskiyou Shackleford Creek Comment
  UC625479  Calyptridium monospermum Frank W. Gould 1938-6-27 481 Siskiyou 3 mi n of Mount Shasta (town) (near hwy U.S. 99) 1082 Comment
  CDA23944  Calyptridium umbellatum J. R. Grisham 1958-6-16 Siskiyou Near town of Mt. Shasta. 0 Comment
  HSC40876  Calyptridium umbellatum J. O. Sawyer 1973-7-17 2547 Siskiyou Along trail above Wild Lake 1921 Comment
  UCD100481  Calyptridium umbellatum John M. Tucker; L. K. Mann 1963-7-7 3726 Siskiyou in vicinity of Paradise Lake, at bast of Kings Castle on the east side, Marble Mountain Wilderness Area. 1981 Comment
  UC879420  Calystegia malacophylla subsp. malacophylla A. A. Heller 1916-7-20 12471 Siskiyou e side Mt. Eddy (near Wagon Creek Falls); e side Mt. Eddy, near Wagon Creek Falls 1524 Comment
  RSA394811  Calystegia occidentalis subsp. occidentalis M. B. Dunkle 1944-7-15 9109 Siskiyou Siskiyou Natl. Forest. Comment
  OBI55473  Camassia quamash David J. Keil, Kathleen Keil 1992-7-21 23533 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08, 1.7 mi W of Scott Mtn rd 9hwy 3) Comment
  POM224484  Camissonia tanacetifolia subsp. tanacetifolia L. S. Rose 1936-7-28 36710 -A Siskiyou Mt. Hebron 1298 Comment
  UC1190263  Campanula prenanthoides Ira L. Wiggins 1955-7-23 13463 Siskiyou ridge w China Creek (s side of river); S Fork of Salmon River 960 Comment
  UC479158  Campanula prenanthoides Marcus E. Jones, A. M. 1931-7-17 29061 Siskiyou Shasta City (Session's) Comment
  POM299525  Campanula prenanthoides Marion Ownbey, Fred G. Meyer 1940-7-4 2171 Siskiyou Siskiyou Mts. Northwest of Hornbrook. Comment
  SEINET10463106  Campanula prenanthoides Life 1923-8-6 LIFE s.n. Siskiyou Shasta Springs Comment
  SEINET10463164  Campanula prenanthoides Palmer 1892-7-13 Palmer 2511 Siskiyou Mount Shasta and vicinity Comment
  SEINET10463165  Campanula prenanthoides White 1977-7-21 White 122 Siskiyou Preston Peak quadrangle; slope below outlet of Raspberry Lake. T17N R5E Sec. 22 1512 Comment
  JEPS104783  Campanula rotundifolia Dean W. Taylor 1996-7-11 15780 Siskiyou Scott Mountains; West Park Lakes (about 15 air miles west of Weed); Shasta-Trinity National Forest 2194 Comment
  UC1282012  Campanula rotundifolia Louise Kellogg Aug 5 1953-Aug 7 1953 108 Siskiyou 1 mi n Cory Peak (11 mi e of Callahan on road to Gazelle, then s 5.8 mi on logging road); Scott Mountains, Klamath National Forest, Cabin Meadow 1844 Comment
  CHSC179  Campanula scabrella E. G. England 1939-7-16 Siskiyou Mt. Eddy timberline. 2133 Comment
  RSA264953  Campanula scouleri G. L. Clifton 1975-7-29 5043 Siskiyou Copper Butte. Near Seiad Valley. 1415 Comment
  CHSC99588  Campanula shetleri L. P. Janeway 2008-7-22 9448 Siskiyou Klamath Ranges. Between the Trinity Mountains, Castle Crags, and The Eddys; narrow ridge between Hart Lake and Little Castle Lake. Growing in rocky cracks in very steep north-facing granite outcrop. 1871 Comment
  RSA211342  Campanula wilkinsiana William J. Ferlatte 1967-8-22 1099 Siskiyou Head of Kidd Creek. 2134 Comment
  UCD66988  Campanula wilkinsiana Joseph DiTomaso 1980-8-21 1893 Siskiyou Kidd Creek Meadows, Trinity Alps Primitive Area. 2042 Comment
  SEINET10840064  Campanula wilkinsiana Kohmannsm KOHMANNSM s.n. Siskiyou Mount Shasta Comment
  CAS-BOT-BC471261  Cardamine cordifolia John Thomas Howell 1939-8-3 14993 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC47620  Cardaria draba J. P. Smith 1977-5-15 9069 Siskiyou Yreka Comment
  JEPS116630  Carduus nutans Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -005 Siskiyou North side Mt. Shasta, south of Hwy 97 Mt. Shasta 1090 Comment
  SEINET7273505 Image available Carex amplifolia A. A. Heller 1905-6-5 7982 Siskiyou Between Shasta Retreat and Shasta Springs Comment
  CHSC62793  Carex angustata L. P. Janeway 1993-8-30 4561 Siskiyou West side of Cedar Lake; head of South Fork Sacramento River. 1741 Comment
  UC1195514  Carex angustata Geo. D. Butler 1909-6-22 855 Siskiyou Goosenest foothills Comment
  RSA120304  Carex aquatilis S. S. Tillett 1956-7-9 639 Siskiyou Northeast facing slope of Scott Mountain. Trinity-Siskiyou Cos line. 1829 Comment
  CHSC78912  Carex aquatilis var. aquatilis Rhonda Posey 2000-8-17 Siskiyou Mud Creek Meadows; along Road 42N13 (Pilgrim Creek Road) about 3.5 mi northeast of the McCloud Ranger District office in McCloud. 1097 Comment
  POM79948  Carex athrostachya E. B. Copeland 1903-9-7 2151 Siskiyou Mt. Eddy. 2134 Comment
  JEPS84062  Carex aurea L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6379 Siskiyou 7 mi nne of Seiad Valley (w of Cook and Green Pass, 1.5 mi e of Red Butte Summit) 1900 Comment
  HSC41067  Carex bolanderi J. O. Sawyer 1969-6-27 866 Siskiyou Ridge between Duck Lake Creek & French Creek along FS 41N14 1280 Comment
  CAS-BOT-BC19656  Carex brainerdii John Thomas Howell 1939-8-6 15099 Siskiyou Marble Mountains. Elk Mountain. Comment
  UC642557  Carex brainerdii J. W. Stacey 1939-8-10 13819 Siskiyou in the bed of Mud Creek Canyon Mud Creek Canyon Comment
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Mar 22 2008
  HSC82004  Carex buxbaumii Thomas W. Nelson, Jane P. Nelson 1979-6-16 4848 Siskiyou Along Hwy. 3, 2.7 mi. N of Scott Mtn. Summit 1341 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
  CAS-BOT-BC34883  Carex deflexa var. boottii John Thomas Howell 1937-7-25 13486 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  HSC67677  Carex echinata subsp. echinata John Palmer 1980-7-24 598 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC85830  Carex echinata subsp. echinata L. P. Janeway 1983-7-31 473 Siskiyou Poker Flat, upper portion of meadow. 1524 Comment
  HSC91192  Carex geyeri Jennifer Whipple 1976-6-18 1037 Siskiyou Slopes near Little Crater Lake 2195 Comment
  JEPS105023  Carex gigas Dean W. Taylor 1996-7-26 15838 A Siskiyou Scott Mountains; Crater Lake, in cirque above upper lake (about 10 air mi W of Weed); Klamath National Forest; Klamath Region 2316 Comment
  CHSC40187  Carex globosa L. P. Janeway 1983-7-17 415 Siskiyou At edge of rd 18N33 ca 7 mi from the Grayback Rd. 1463 Comment
  SEINET3902134  Carex hoodii M. L. Conrad, Dunn; Kenney 1973-6-2 6986 Siskiyou 17.4 miles northeast of Cecilville Store, on road to Callahan.; 0 2073 Comment
  SEINET10916797  Carex interior A. Arthur Heller 1920-7-6 Heller 13411 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in open places in te forest. 1158 Comment
  RSA783707  Carex klamathensis Barbara L. Wilson, Richard E. Brainerd 2010-8-10 16313 Siskiyou Klamath National Forest: along road 41N03, 1.5 mi from road 2H001. 1591 Comment
  CAS-BOT-BC7577  Carex laeviculmis L. P. Janeway 1982-8-15 144 Siskiyou Below Echo Lake 1645 Comment
  HSC29641  Carex laeviculmis Frederick W. Oettinger 1968-9-9 799 Siskiyou Marble Mtns. Wilderness Area, High Lake Basins, along stream that runs from Tom's Upper Pond to Tom's Lower Pond 2012 Comment
  CAS-BOT-BC31307  Carex lenticularis var. impressa Doris K. Kildale 1929-7-20 8672 Siskiyou Raspberry Lake, South fork of Indian Creek. 1828 Comment
  JEPS84071  Carex lenticularis var. impressa L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6375 Siskiyou ca. 1.5 mi e Red Butte summit (ca. 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  CHSC107133  Carex leptopoda R. E. Brainerd 2009-7-22 1554 Siskiyou Trout Creek east of Mt. Shasta, 26 air miles east of Weed. UTM Zone 10 592966E 4588754N. 1493 Comment
  CAS-BOT-BC31675  Carex luzulina var. ablata A. A. Heller 1920-7-6 13410 Siskiyou Metcalf's ranch, NE base of Mt. Eddy. 1158 Comment
  SEINET7566760 Image available Carex mariposana Frederick W. Oettinger 1968-9-8 733 Siskiyou High Lake Basin in the vicinity of English Peak, Marble Mountains Wilderness Area. Area of late snow-hold, southeast of Tom's Lake. 2149 Comment
  HSC39767  Carex mendocinensis J. P. Smith, Steve Selva 1970-7-15 4346 Siskiyou 2 mi. below the Baldy Mt. Lookout Station. Comment
  SEINET3356156 Image available Carex multicaulis Barbara L. Wilson, Richard E. Brainerd, Nick Otting 2009-5-6 15479 Siskiyou Along Ager-Beswick Road on south of Copco Reservoir Comment
  CDA33113  Carex multicaulis T. C. Fuller 1962-6-11 8963 Siskiyou East side of Hwy 99 to Black Butte Summit, 4.1 miles south of Weed. 0 Comment
  RSA739623  Carex multicostata L. P. Janeway 2008-7-25 9502 Siskiyou Klamath Ranges, Siskiyou Mtns, 3.2 air km SW of cook and Green Pass, 0.4km SE of Red Butte 1737 Comment
  CAS-BOT-BC32281  Carex multicostata Louis Cutter Wheeler 1934-8-6 3049 Siskiyou Bear Ground Bl. 1676 Comment
  HSC76941  Carex multicostata K. T. Stillman 1976-8-15 261 Siskiyou Marble Mountain Wilderness Area 1951 Comment
  HSC96545  Carex nigricans Gordon Leppig 1998-8-14 1018 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  RSA237298  Carex nigricans Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1261 Siskiyou West of Tom s lower pond. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  SEINET7568932 Image available Carex nigricans Frederick W. Oettinger 1969-9-4 1658 Siskiyou Salmon Mountains, area at Tom's Lower Pond. 1951 Comment
  SEINET7568935 Image available Carex nigricans Frederick W. Oettinger 1968-8-2 358 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, east end of Diamond Lake. 2073 Comment
  CHSC40165  Carex nudata L. P. Janeway 1984-6-22 865 Siskiyou Along the East Fork Scott River at the Hwy 3 bridge just east of Callahan. 987 Comment
  HSC39759  Carex nudata J. O. Sawyer 1970-4-3 2098 Siskiyou Along Sugar Creek 915 Comment
  CAS-BOT-BC123135  Carex pachycarpa William Henry Brewer 1862-9-13 1398 Siskiyou Mount Shasta 2743 Comment
  CHSC40202  Carex pachystachya L. P. Janeway 1983-8-27 622 Siskiyou South end and sl above dry bed of vernal pond. Near the Twin Valley/Poker Flat trail. 1676 Comment
  CAS-BOT-BC118931  Carex pellita John Thomas Howell 1937-7-23 13333 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  UC1586947  Carex pellita Juha Pykala and D. H. Norris 1987-7-7 2350 Siskiyou w Weed (Stewart Springs road, near old Highway 99) 930 Comment
  CAS-BOT-BC118770  Carex preslii John Thomas Howell 1937-7-24 13431 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CHSC106709  Carex preslii Barbara Ertter 1990-7-14 9317 Siskiyou E side Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mi N of Morgan Meadows, steep E-facing serpentine hillside. 1676 Comment
  HSC703  Carex preslii William J. Ferlatte 1967-8-23 1094 Siskiyou Head of Kidd Creek 2134 Comment
  CAS-BOT-BC118786  Carex preslii Rimo Bacigalupi 1959-7-10 7302 Siskiyou In meadow at Twin Valley, Siskiyou Mts., just E of Del North County line. 1493 Comment
  HSC29650  Carex rossii Frederick W. Oettinger 1969-9-4 1625 Siskiyou Franz Peak ridge near Hancock Lake 1982 Comment
  HSC76831  Carex rostrata L. P. Janeway 1982-9-3 184 Siskiyou Inlet to Little Carmen Lake 1768 Comment
  HSC76827  Carex scabriuscula L. P. Janeway 1982-8-14 137 Siskiyou Just E of Elk Wallow 1646 Comment
  HSC82382  Carex scabriuscula Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4536 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  CAS-BOT-BC118224  Carex scopulorum var. bracteosa A. A. Heller 1922-7-3 13673 Siskiyou Along Wagon creek on Mt. Eddy 2225 Comment
  HSC30671  Carex spectabilis Frederick W. Oettinger 1969-9-2 1602 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow near Tom Taylor Cabin 2165 Comment
  HSC39292  Carex spectabilis J. O. Sawyer 1969-8-2 1720 Siskiyou E facing slope SW of Little Duck Lake 2241 Comment
  HSC86441  Carex spectabilis D. K. Imper Jun 1987 Siskiyou Mount Shasta Wilderness, 8 mi. E of town of Mt. Shasta, along Squaw Creek and meadows 2134 Comment
  UC1023842  Carex stipata var. stipata Douglas Barbe 1955-6-29 29 Siskiyou 1 mi e Callahan; Klamath Mountains 975 Comment
  RSA780398  Carex straminiformis Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38977 Siskiyou Mt. Shasta National Forest: S Slope of Mt. Shasta, [along] streamlet originating as overflow from large water tank above ski-lodge 2317 Comment
  CAS-BOT-BC115839  Carex subfusca Alice Eastwood 1921-7-25 10830 Siskiyou Bigelows on the McCloud R. Comment
  UC195511  Carex subfusca Geo. D. Butler 1910-6-5 1476 Siskiyou Shackleford Creek Comment
  UC836151  Carex subfusca Louis C. Wheeler 1934-6-22 2754 Siskiyou Cottonwood Creek Siskiyou Mts. 914 Comment
  HSC30530  Carex subfusca Frederick W. Oettinger 1969-8-19 1464 Siskiyou Marble Mtn. Wilderness Area, between King David Peak and Abbotts Basin 1860 Comment
  SEINET7579987 Image available Carex vesicaria Ray Tallent 1987-8-12 897 a Siskiyou Klamath National Forest, Long Gulch Lake. 1939 Comment
  UCD77466  Carex vulpinoidea Robert E. Preston 2000-6-25 1381 Siskiyou On n shore of Irongate Reservoir, 0.1 mi downstream of confluence of Klamath River and Fall Creek, T48N R5W sw 1.4 of ne 1/4 Section 36 216 Comment
  HSC48105  Carex whitneyi D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19530 Siskiyou Along Hwy. 89 at Snowman's Hill Summit, 3 mi. E of McCloud Comment
  RSA237251  Cassiope mertensiana subsp. ciliolata Frederick W. Oettinger 1967-7-8 163 Siskiyou Near Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  CAS-BOT-BC248988  Castilleja Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  CHSC118025  Castilleja applegatei subsp. pinetorum K. M. Meyer; A. Townesmith 2007-8-2 182 Siskiyou Shasta-Trinity National Forest. 0.1 mi on Forest Service Rd. 43N21, 12.5 mi on Hwy. 97, east side of road. 1218 Comment
  CHSC69836  Castilleja applegatei subsp. pinetorum Jennifer Whipple 1976-6-30 1203 Siskiyou Mount Eddy, Klamath Mountains. Southeast slope of Mount Eddy draining into the North Fork of the Sacramento River. 2225 Comment
  HSC82256  Castilleja applegatei subsp. pinetorum Thomas W. Nelson, Jane P. Nelson 1980-7-20 6176 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  JEPS46015  Castilleja applegatei subsp. pinetorum L. R. Heckard 1956-8-7 829 Siskiyou 10.5 mi ne Weed (along U.S. Hwy 97, n of Mt. Shasta) Comment
  UC726532  Castilleja applegatei subsp. pinetorum A. A. Heller 1916-6-20 12398 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 Comment
  UCD77486  Castilleja applegatei subsp. pinetorum Robert E. Preston 2001-7-21 1707 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 2026 Comment
  UCR136766  Castilleja applegatei var. fragilis E. E. Stanford 1930-6-15 1590 Siskiyou Near Shasta City 1098 Comment
  CAS-BOT-BC243747  Castilleja applegatei var. pinetorum B. Bartholomew 1988-5-12 4087 Siskiyou 4 kkm E of Hambone Butte between Hambone Butte and the N end of White Horse Mountains on Old Two Camp Road 1140 Comment
  CAS-BOT-BC243758  Castilleja applegatei var. pinetorum Ira L. Wiggins 1955-7-24 13486 Siskiyou Ridge between upper reaches of China Creek and Blind Horse Creek 1463 Comment
  CAS-BOT-BC243753  Castilleja applegatei var. pinetorum David D. Keck 1938-8-8 4873 Siskiyou At Trinity Co. line, Scott Mountain Divide, between Scott Mtn. and Craggy Peak 1676 Comment
  HSC19028  Castilleja arachnoidea J. O. Sawyer 1969-8-4 1857 Siskiyou Slope SW of South Sugar Lake 2195 Comment
  JEPS84184  Castilleja arachnoidea L. R. Heckard with J. Hickman et al. 1986-7-17 6493 Siskiyou ca 14.5 mi from Hwy 96 (Walker) (Oak Knoll Ranger Station road to Condrey Mt., near Dry Lake); road to Condry Mt., near Dry Lake 1950 Comment
  SDSU10561  Castilleja arachnoidea D. F. Howe 1962-8-6 3408 Siskiyou Mount Shasta, Shasta National Forest. 2438 Comment
  POM15507  Castilleja arachnoidea Geo. D. Butler 1910-7-8 1684 Siskiyou Shackleford Creek. 1829 Comment
  POM42530  Castilleja arachnoidea Geo. D. Butler 1910-7-9 1712 Siskiyou Marble Mountain. 1829 Comment
  POM147344  Castilleja arachnoidea subsp. shastensis D. D. Keck 1927-8-16 308 Siskiyou Horse Camp, south side of Mt. Shasta. 2470 Comment
  UC164365  Castilleja attenuata Geo. D. Butler 1910-5-8 1314 Siskiyou near Yreka Comment
  HSC76698  Castilleja glandulifera K. T. Stillman 1976-8-9 218 Siskiyou Marble Mtn. Wilderness area 2134 Comment
  SBBG40132  Castilleja hispida subsp. brevilobata C. B. Hardham 1961-6-30 8029 Siskiyou between Mud Springs and White Mtn 1828 Comment
  CAS-BOT-BC254014  Castilleja miniata Alice Eastwood 1921-7-24 10790 Siskiyou Castle Lake Comment
  CAS-BOT-BC254019  Castilleja miniata Alice Eastwood 1903-8-17 3809 Siskiyou Foot of Mt. Eddy 1158 Comment
  CAS-BOT-BC254111  Castilleja miniata Wm. Bridge Cooke 1938-7-15 11191 Siskiyou Mt. Shasta. Meadow 1524 Comment
  RSA448754  Castilleja miniata M. B. Dunkle 1945-1 9300 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  HSC61198  Castilleja miniata subsp. elata Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  HSC91230  Castilleja miniata subsp. miniata Jennifer Whipple 1977-8-6 2196 Siskiyou SW of Dobkins Lake along the drainage into the lake 2073 Comment
  CAS-BOT-BC32646  Castilleja pinetorum var. fragilis Copeland 1903-8-14 s.n. (= no. 3883 of C.F. Baker's distribution) Siskiyou Sisson, N. Cal. Comment
  HSC76896  Castilleja pruinosa K. T. Stillman 1976-9-9 484 Siskiyou Marble Mountain Wilderness Area; jump off point, trail to Box Camp 1951 Comment
  JEPS23708  Castilleja pruinosa Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7211 Siskiyou 4.5 mi ne Weed 1066 Comment
  JEPS3824  Castilleja pruinosa Geo. D. Butler 1909-5-30 757 Siskiyou Humbug Mountain Comment
  JEPS60246  Castilleja pruinosa L. R. Heckard with L. Constance and R. Ornduff 1969-6-25 2311 Siskiyou nw edge Weed Comment
  UC163702  Castilleja pruinosa Geo. D. Butler 1910-6-5 1516 Siskiyou Log Lake; Shackleford Creek Comment
  UC705595  Castilleja pruinosa Marion Ownbey, D. H. Brown 1941-6-22 2422 Siskiyou nw of Yreka (w of Craggy Mountain) Comment
  UC922482  Castilleja pruinosa Annie M. Alexander and Louise Kellogg 1949-7-29 5898 Siskiyou above Sky High Lake (trail to Hidden Lake); Marble Mountains, Sky High Valley 1767 Comment
  HSC35799  Castilleja pruinosa J. O. Sawyer 1969-8-18 1985 Siskiyou Along S Sugar Creek 1921 Comment
  POM301760  Castilleja pruinosa Marion Ownbey, D. H. Brown 1941-6-22 2422 Siskiyou West of Craggy Mountain, northwest of Yreka Comment
  UCR40075  Castilleja schizotricha K. T. Stillman 1976-7-7 168 Siskiyou Marble Mountain Wilderness Area 1982 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
  UC144559  Ceanothus cordulatus A. A. Heller 1905-6-5 7968 Siskiyou betw Shasta Retreat and Shasta Springs Comment
  UC484150  Ceanothus cordulatus H. E. McMinn and E. B. Babcock 1929-7-25 Siskiyou 8 mi n Dunsmuir 609 Comment
  UC79869  Ceanothus incanus Katharine Brandegee 1889-4 Siskiyou Boulder Creek Comment
  CAS-BOT-BC50684  Ceanothus integerrimus var. macrothyrsus G. P. Rixford s.n. Siskiyou South side of Shaft-Rock Mt. Hilt Comment
  RSA1132  Ceanothus lemmonii B. D. Stark 1929-7-25 1393 Siskiyou 1 miles S of Dunsmuir. 671 Comment
  CAS-BOT-BC53099  Ceanothus prostratus Elmer I. Applegate 1935-6-8 9422 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  CAS-BOT-BC53100  Ceanothus prostratus Doris K. Kildale; J. W. Gillespie 1929-6-22 8037 Siskiyou Mt. Shasta - Black Butte Comment
  HSC67830  Ceanothus prostratus J. O. Sawyer, J. Cole 1980-7-22 3974 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  JEPS42173  Ceanothus prostratus W. L. Jepson 1940-6-23 20015 Siskiyou 2 mi s Andesite 975 Comment
  RSA23947  Ceanothus prostratus O. V. Matthews 1939-7-8 26 Siskiyou W of Seiad Gove, Kangaroo lMtn Forest Service Trail. Comment
  UCSB25037  Ceanothus prostratus Keefe, Joseph 1967-7-11 Siskiyou Little Castle Lake, southeast of Castle Lake, 10 mi. southwest of city of Mt. Shasta. 1981 Comment
  POM85996  Ceanothus sanguineus Geo. D. Butler 1910-6-17 1567 Siskiyou Hundrey Mtn. 1220 Comment
  RSA23631  Ceanothus sanguineus O. V. Matthews 1939-6-7 9512 Siskiyou Mohawk Mine, Frog Pond trail, 2 miles S of Oregon-California line, alt 4000ft, siskiyou County 1220 Comment
  UC163693  Ceanothus sanguineus Geo. D. Butler 1910-6-17 1567 Siskiyou Humbug Mountains 1219 Comment
  HSC31794  Ceanothus velutinus Steve Selva, Roger Jensen 1974-8-16 8 Siskiyou Above Sugar Lake Comment
  UC455426  Ceanothus velutinus I. J. Condit 1911-7-22 Siskiyou Mt. Shasta Comment
  UCR95633  Ceanothus velutinus L. C. Wheeler 1963-9-3 8339 Siskiyou Siskiyou Mtns. Cyclone Gap chrome mine Comment
  JEPS42299  Ceanothus velutinus var. lorenzenii L. N. Lorenzen 1920-9-19 Siskiyou Sisson Comment
  CAS-BOT-BC52810  Ceanothus velutinus var. velutinus Gilbert Muth 1965-7-30 s.n. Siskiyou Marble Valley and Marble Rim Comment
  CAS-BOT-BC52844  Ceanothus velutinus var. velutinus Doris K. Kildale 1928-8-20 6588 Siskiyou Lily Pad Lake near Hancock Lookout on trail to Marble Mt. Comment
  SDSU6509  Centaurea cyanus D. F. Howe 1977-7-2 4982 Siskiyou 7 miles west of Fort Jones on Scott River Rd. 671 Comment
  CDA7264  Centaurea maculosa T. C. Fuller 1963-8-26 11155 Siskiyou W. H. Kerr, Flying K Ranch, upper Quartz Valley, 2 miles south of Mugginsville. 0 Comment
  CAS-BOT-BC288796  Centromadia fitchii Louis C. Wheeler 1934-10-6 3309 Siskiyou Shasta Valley 2 miles SE of Yreka 853 Comment
  CAS-BOT-BC123551  Centromadia pungens subsp. septentrionalis Harvey Monroe Hall 1930-9-27 12907 Siskiyou Shasta Valley, 1.8 miles S of Montague. Comment
  JEPS82438  Cerastium arvense Gilbert Muth 1966-7-25 450 Siskiyou Marble Mt. Lookout Marble Mt. Wilderness Area, Marble Mt. Lookout 2097 Comment
  RSA215611  Cerastium arvense Gilbert Muth 1969-8-6 1199 Siskiyou Boulder Peak. 2530 Comment
  UC465650  Cerastium arvense Annie M. Alexander and L. Kellogg 1911-7-16 256 Siskiyou S. Fork Salmon R. 1524 Comment
  CDA3353  Cerastium dichotomum T. C. Fuller 1962-5-18 8746 Siskiyou B.M. Long property, Little Shasta Road, 5 miles east of Montague. 0 Comment
  CAS-BOT-BC384984  Cerastium dichotomum T. C. Fuller 1962-5-18 8475 Siskiyou B. M. Long prop., Little Shasta Rd., 5 mi. e. of Montague Comment
  UCD97998  Cerastium dichotomum T. C. Fuller 1962-5-18 8475 Siskiyou B. M. Long prop., Little Shasta Road, 5 miles east of Montague. Comment
  UC375337  Cerastium glomeratum Geo. D. Butler 1909-4-14 636 Siskiyou fields near Yreka Comment
  CAS-BOT-BC135449  Cercocarpus betuloides var. betuloides L. E. Smith 1913-5-14 209 Siskiyou Yreka Comment
  HSC19309  Cercocarpus ledifolius J. O. Sawyer 1968-7-23 606 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake 1829 Comment
  HSC63032  Cercocarpus montanus var. glaber J. P. Smith 1973-5-5 6506 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC276765  Chaenactis douglasii var. douglasii Elmer I. Applegate 1935-6-8 9450 A Siskiyou Sconchin Butte, Lava Beds National Monument Comment
  UC30996  Chaenactis douglasii var. douglasii Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sims Upper Sacramento Comment
  CAS-BOT-BC276472  Chaenactis douglasii var. douglasii Palmer Stockwell 1939-8-10 13872 Siskiyou Mount Shasta. Between Squaw Valley Creek and Mud Creek Canyon Comment
  SEINET7379869 Image available Chaenactis douglasii var. douglasii G. D. Butler 1910-6-17 1573 Siskiyou Humbug Mountain 1219 Comment
  CAS-BOT-BC106039  Chaenactis suffrutescens H. M. Hall; E. B. Babcock 1903-6-1 4081 Siskiyou Upper part of Shasta Valley - Mount Shasta 1158 Comment
  RSA15484  Chamaesyce serpillifolia L. S. Rose 1936-7-29 36702 Siskiyou Shasta Springs. 762 Comment
  RSA432491B  Chamaesyce serpillifolia W. Bridge Cooke 1939-7-7 13578 Siskiyou Wagon Camp Road at Howard. Also seen commonly along the old MacBride Spring Road. Comment
  JEPS24811  Chamaesyce serpyllifolia Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6822 Siskiyou 7 mi e Callahan 1127 Comment
  JEPS52362  Chamaesyce serpyllifolia Geo. D. Butler 1908-8-15 70 Siskiyou near Yreka; McNulty Ranch Comment
Read comments
May 7 2008
  CAS-BOT-BC68243  Cheilanthes gracillima A. A. Heller 1916-7-20 12470 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 1524 Comment
  CAS-BOT-BC68247  Cheilanthes gracillima L. B. Kildale 1930-6-1 9750 Siskiyou Black Bear Trail to Sawyers Bar Comment
  CAS-BOT-BC68239  Cheilanthes gracillima Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Trinity Mountains - Road to Mumbo Basin 1889 Comment
  CAS-BOT-BC68242  Cheilanthes gracillima Gilbert Muth 1965-8-6 s.n. Siskiyou Trail to backside of Blk Mt. Comment
  CHSC72234  Chenopodium album Vernon H. Oswald; Lowell Ahart 1998-9-16 9651 Siskiyou Tour Route at Lower Klamath NWR 3 mi south of Hwy 161. 1243 Comment
  SEINET4175054  Chenopodium vulvaria J. Alex 2004-8-24 1885 Siskiyou Yreka, Wendy Ave., 0.1 miles south of Lawrence Lane 950 Comment
  RSA238568  Chimaphila menziesii Frederick W. Oettinger 1968-8-7 432 Siskiyou At Base Camp Meadow' mid-way down Diamond-Hancock Lake trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CAS-BOT-BC452262  Chimaphila umbellata Wm. Bridge Cooke 1938-8-5 11459 Siskiyou Mount Shasta: Sisson Southern Trail 1981 Comment
  CAS-BOT-BC452265  Chimaphila umbellata L. E. Smith 1912-8-1 s.n. Siskiyou Mt. Shasta Comment
  POM132085  Chimaphila umbellata subsp. occidentalis E. B. Copeland 1903-8-15 3828 Siskiyou Mt. Shasta 1829 Comment
  CDA3730  Chorispora tenella D. E. Bayer 1960-5-27 Siskiyou Butte Valley; In (west) ca. 1 mile on road originating at U.S. Highway 97 ca. 1 mile south of Macdoel and running around Meiss Lake. Comment
  RSA604378  Chrysolepis chrysophylla Louis C. Wheeler 1959-7-25 7597 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  CAS-BOT-BC36244  Chrysolepis sempervirens Doris K. Kildale 1928-8-19 6556 Siskiyou Hancock Lake, on trail to Marble Mt. 2133 Comment
  HSC22114  Chrysolepis sempervirens J. O. Sawyer 1969-8-1 1669 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC45892  Chrysolepis sempervirens Laura Witherspoon 1978-8-14 76 Siskiyou Klamath National Forest; 1 mi. NW on 46N92 1646 Comment
  RSA30402  Chrysothamnus nauseosus subsp. consimilis A. A. Heller 1917-9-7 12978 Siskiyou Shasta Valley 2 miles south of Grenada 915 Comment
  NY163429  Chrysothamnus parryi subsp. latior A. A. Heller 1915-8-26 12250 Siskiyou Wagon Creek at the foot of Mt. Eddy 1127.8 Comment
  UCD127362  Cicuta douglasii P. B. Kennedy 1922-8-29 s.n. Siskiyou Fritz Young Ranch, Scott Valley. Comment
  RSA183464  Cinna latifolia J. M. Tucker 1963-8-19 3775 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area. 1951 Comment
  UC1483509  Cinna latifolia Maralyn A. Renner 1980-8-8 2436 Siskiyou Rattlesnake Meadow; Klamath National Forest, Preston Peak Quad. 1645 Comment
  CAS-BOT-BC190004  Cinna latifolia J. R. Swallen 1940-8-22 15662 Siskiyou Mount Shasta. Near springs in Mud Creek Canyon. 1981 Comment
  HSC16245  Circaea alpina subsp. pacifica D. E. Anderson 1962-8-5 2314 Siskiyou 3 mi. W of Bartlett, 1 mi. N of Shasta Co. line on Hwy. 89 Comment
  HSC19004  Circaea alpina subsp. pacifica J. O. Sawyer 1968-7-22 558 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  RSA264971  Circaea alpina subsp. pacifica G. L. Clifton 1975-7-28 7199 Siskiyou Near Cook and Green Pass near the Seiad Valley. 1646 Comment
  UC922409  Circaea alpina subsp. pacifica Annie M. Alexander and Louise Kellogg 1949-7-28 5874 Siskiyou Marble Mts., Sky High Valley 1767 Comment
  RSA0070844  Cirsium andersonii E. K. Balls 1949-7-8 13920 Siskiyou Road to Callahan from Scott Mt. 1524 Comment
  UC336877  Cirsium andersonii unknown 336877 Siskiyou near Sissoon 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
  CAS-BOT-BC278045  Cirsium cymosum John Thomas Howell 1952-6-15 28361 Siskiyou Just east of Montague Comment
  CAS-BOT-BC279885  Cirsium douglasii var. breweri John Thomas Howell 1952-6-14 28329 Siskiyou Mt. Shasta City Comment
  OBI54105  Cirsium douglasii var. breweri David J. Keil, Kathleen Keil 1992-7-21 23553 Siskiyou Klamath NF SE of Callahan. forest Rd 40N08, 4.2 mi W of Scott Mtn Rd (hwy 3) Comment
  CDA1325  Cirsium occidentale var. candidissimum T. C. Fuller 1958-6-18 1793 Siskiyou 2 mi. W of town of Klamath River. Roadside Hwy 96 above river. Comment
  CAS-BOT-BC285521  Cirsium occidentale var. candidissimum Laura M. Lathrop 1903-7-20 s.n. Siskiyou Shasta Retreat Comment
  HSC152  Cirsium remotifolium William J. Ferlatte 1966-8-3 263 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's. 1524 Comment
  HSC26708  Cirsium remotifolium William J. Ferlatte 1971-9-18 1373 Siskiyou Big Flat near public campground 1524 Comment
  JEPS59177  Cirsium remotifolium var. odontolepis Geo. D. Butler 1908-8-4 335 Siskiyou Cold Spring Camp , Wooly Creek 1676 Comment
  CAS-BOT-BC286470  Cirsium scariosum John Thomas Howell 1952-6-14 28334 Siskiyou Gazelle Comment
  CAS-BOT-BC228966  Cistanthe umbellata Wm. Bridge Cooke 1939-7-13 13658 Siskiyou Mount Shasta. Red Butte in The South Gate Comment
  JEPS25540  Clarkia lassenensis Rimo Bacigalupi with Lincoln Constance 1959-6-17 7157 Siskiyou 4 mi ne Weed (slopes across from junction of Big Springs Road with U.S. 97) 1066 Comment
  CAS-BOT-BC164973  Clarkia rhomboidea Doris K. Kildale 1929-5-26 9199 Siskiyou Salmon River at Hawkins Bar 609 Comment
  CAS-BOT-BC164978  Clarkia rhomboidea A. A. Heller 1920-7-6 133420 Siskiyou Metcalf's ranch, northeast side of Mt. Eddy Comment
  HSC64526  Clarkia rhomboidea J. P. Smith, Steve Selva 1970-6-14 3863 Siskiyou Comment
  SEINET10492520  Clarkia rhomboidea Whipple 1978-6-5 WHIPPLE 2342 Siskiyou Weston Gulch in Scott Valley. T42N, R8W, sec 19, M.D.M. Oak-Pine woodland including Pinus ponderosa, Quercus garryana, and Quercus kelloggii. Elevation 2800-3000 feet. 855 Comment
  SEINET10689255  Clarkia rhomboidea H. E. Brown 1897-7-15 Brown 537 Siskiyou Southwest side Mt. Shasta. Altitude 5000-10000 feet. 1525 Comment
  CDA23948  Claytonia exigua subsp. exigua G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2616 Siskiyou 200 meters north of Hamilton Street on Highway 3, north edge of Fort Jones. Comment
  HSC33990  Claytonia rubra subsp. rubra J. P. Smith 1974-5-25 7491 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  HSC44929  Claytonia rubra subsp. rubra J. O. Sawyer 1978-6-19 3254 Siskiyou Marble Mtn. Wilderness Area, trail between Timothy Gulch and Harry Hall Gulch 1433 Comment
  CHSC96592  Claytonia sibirica L. P. Janeway 2006-7-1 8722 Siskiyou Klamath Ranges. Salmon Mountains; just west of Carter Meadow, north side of South Fork Salmon River. 1579 Comment
  CAS-BOT-BC443865  Claytonia sibirica F. J. Kirby 1958-7-1 1199 Siskiyou Swillup Campground, 25 miles s. of Happy Camp 609 Comment
  RSA211262  Claytonia sibirica William J. Ferlatte 1966-6-23 144 Siskiyou At Big Flat Hillside seep between campground and S. Fork of the Salmon River 1524 Comment
  HSC18075  Clematis ligusticifolia Jerry Parker 1968-10-6 127 Siskiyou Along E Fork Scott River Comment
  CAS-BOT-BC500965  Clintonia uniflora Edward Lee 1934-8-13 1084 Siskiyou Watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest 1463 Comment
  RSA78293  Clintonia uniflora Philip A. Munz 1952-7-1 17861 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 Comment
  HSC72674  Collinsia grandiflora J. P. Smith 1976-5-5 8674 Siskiyou Road from Etna to Sawyer's Bar. 732 Comment
  CHSC57456  Collinsia linearis L. P. Janeway 1984-6-22 876 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08. Comment
  JEPS23293  Collinsia parviflora Rimo Bacigalupi with Arthur and Ruby Van Deventer 1959-7-9 7266 Siskiyou Poker Flat 1536 Comment
  JEPS66321  Collinsia parviflora L. R. Heckard with T. I. Chuang 1971-6-16 2585 Siskiyou ca 2 mi n Weed (along US Hwy 97) 1066 Comment
  UC1213758  Collinsia parviflora Jean Langenheim 1957-5-19 4343 Siskiyou area along roadcut between Gazelle and Callahan Comment
  HSC44716  Collinsia rattanii J. O. Sawyer, E. Cope 1977-6-18 2913 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  CHSC71490  Collomia grandiflora Vernon H. Oswald; Lowell Ahart 1998-7-21 9317 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd. northeast of Weed. 975 Comment
  UC455654  Collomia grandiflora I. J. Condit 1911-7-6 Siskiyou along RR and elsewhere Shasta Retreat Comment
  RSA237935  Collomia grandiflora Frederick W. Oettinger 1968-8-11 483 Siskiyou Tom Taylor Cabin spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  JEPS101160  Collomia tinctoria Dean W. Taylor 1996-6-18 15705 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1524 Comment
  JEPS69762  Collomia tinctoria W. B. and V. G. Cooke 1972-6-30 45413 Siskiyou Military Pass road above Andesite crossing (in brush field beyond edge of road); Mt. Shasta Comment
  SJSU6072  Collomia tinctoria R. W. Trivelpiece 1971-7-14 52 Siskiyou Blue Ridge between Sawyers Bar & Cecilville, SW of Eddy Gulch Lookout, Salmon R Mts 1219 Comment
  UC902031  Collomia tracyi Joseph P. Tracy 1949-9-18 18558 Siskiyou on road between Cecilville and Sawyer's Bar; Blue Ridge 1584 Comment
  CAS-BOT-BC180422  Comandra umbellata subsp. californica A. A. Heller 1905-6-1 7937 Siskiyou Between Upper Soda Spring and Shasta Retreat 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
  HSC65318  Convolvulus arvensis J. P. Smith, Steve Selva 1970-8-9 4575 Siskiyou In potato fields W of Macdoel. Comment
  HSC43040  Corallorhiza maculata J. O. Sawyer, K. T. Stillman 1976-7-2 2813 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  HSC46112  Corallorhiza maculata J. P. Smith, Steve Selva 1970-6-16 3989 Siskiyou 6 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1280 Comment
  CAS-BOT-BC278773  Cordylanthus tenuis subsp. tenuis Peter F. Zika; Barbara Wilson 2011-7-31 25697 Siskiyou Road 26, 10.2 road miles from junction with FS Road 40N405, 1 air mile W of N end of Siskiyou Lake, Klamath Range (KR) 1060 Comment
  CHSC105585  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-9 16291 b Siskiyou Shasta-Trinity National Forest, on Stewart Springs Road (Forest Service Road 17) 5.3 miles from the Gazelle Road. Lat. and Long. indicated +/- 30 feet. 1304 Comment
  JEPS85954  Cordylanthus tenuis subsp. viscidus Don Burk 1990-11-3 Siskiyou w Dunsmuir (n side of road 40N26, ca. 1.8 mi below South Fork Sacramento River Bridge); Shasta National Forest 1828 Comment
  HSC77490  Cordylanthus tenuis subsp. viscidus L. P. Janeway 1983-8-3 483 Siskiyou Near W Branch USFS Station 671 Comment
  JEPS57501  Cordylanthus tenuis subsp. viscidus L. R. Heckard with T. I. Chuang and R. Bacigalupi 1968-8-13 2123 Siskiyou just a mile over s of downtown Dunsmuir (along Dunsmuir Ave) 822 Comment
  HSC60674  Cornus canadensis Ruby Van Deventer Siskiyou Bear Meadow. Comment
  CAS-BOT-BC212276  Cornus glabrata Louis C. Wheeler 1934-7-16 2909 Siskiyou Oak Knoll Ranger Station, Klamath Forest 670 Comment
  CAS-BOT-BC212280  Cornus glabrata C. Hart Merriam 1907-9-27 s.n. Siskiyou Klamath Hot Springs Comment
  CAS-BOT-BC212072  Cornus nuttallii Doris K. Kildale 1929-5-31 9159 Siskiyou Cecilville, South Fork Salmon River Comment
  JEPS50155  Cornus nuttallii W. L. Jepson 1894-8-9 14143 Siskiyou Shasta Springs Comment
  POM132431  Cornus nuttallii E. B. Copeland 1903-9-8 3850 Siskiyou Foot of Mt. Eddy. 1220 Comment
  POM78075  Cornus nuttallii Geo. D. Butler 1908-8-21 85 Siskiyou Edson Creek Comment
  SBBG15786  Cornus nuttallii D. Myrick 1961-6-21 300 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1371 Comment
  CAS-BOT-BC210393  Cornus sericea Doris K. Kildale 1929-5-31 9127 Siskiyou Cecilville, head of South Fork of Salmon River Comment
  CAS-BOT-BC210398  Cornus sericea A. A. Heller 1920-6-27 13392 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC210423  Cornus sericea Gilbert Muth 1966-7-24 444 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  UCSB22161  Cornus sericea Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road; 22.2 miles north of Happy Camp 1402 Comment
  HSC19036  Cornus sericea subsp. sericea J. O. Sawyer 1969-7-18 1401 Siskiyou SW facing slope above S Russian Creek. 1905 Comment
  UC875913  Cornus sericea subsp. sericea Alice Eastwood 1912-9-3 2082 Siskiyou Sisson Comment
  JEPS109397  Crataegus gaylussacia Dean W. Taylor 2004-7-19 19186 Siskiyou Weed, wet meadow just east of town limits along Boles Creek 1051 Comment
  UC581274  Crepis monticola E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1930 Siskiyou old river terrace about 8 mi s Yreka 810 Comment
  HSC29230  Crepis occidentalis subsp. conjuncta Frederick W. Oettinger 1969-7-13 1031 Siskiyou Salmon Mtns.; between English Peak and 'Bear Meadow Comment
  HSC92423  Crepis occidentalis subsp. pumila Jennifer Whipple 1977-7-20 1991 Siskiyou N slopes of Mount Eddy 2500 Comment
  UCD77572  Crepis pleurocarpa Robert E. Preston 2002-7-12 1913 Siskiyou Klamath National Forest, Rainbow Mountain. 1913 Comment
  OBI47579  Crepis pleurocarpa K. T. Stillman 1976-8-7 204 Siskiyou Marble Mtn Wilderness Area. Scatt Bar quad. T43N, R12W, sec 22 Comment
  UC1042564  Cryptantha flaccida John Thomas Howell 1952-6-14 28342 Siskiyou 9.5 mi from Ft. Jones (on road to Callahan) 853 Comment
  HSC63984  Cryptantha torreyana J. P. Smith 1976-5-22 8783 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  CAS-BOT-BC70480  Cryptogramma acrostichoides Ira L. Wiggins 1955-7-27 13529 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC99673  Cryptogramma acrostichoides J. O. Sawyer 1969-6-13 952 Siskiyou Slope above Little Duck Lake 2134 Comment
  HSC19043  Cryptogramma acrostichoides J. O. Sawyer 1969-7-7 1071 Siskiyou NW facing upper slope above Little Duck Lake 2159 Comment
  CAS-BOT-BC80536  Cupressus bakeri C. B. Wolf 1944-10-29 11478 Siskiyou N.E. side [Goose Nest] Goosenest Mt., about 1 mi. S. of [Goose Nest] Goosenest Rd. #1 leading off the Montague 1676 Comment
  NY16605  Cupressus bakeri C. B. Wolf 1934-10-9 6170 Siskiyou Siskiyou Mountains, above West Fork of Seiad Creek, 0.75 miles above forks of creek 1158.2 Comment
  UC1321450  Cupressus bakeri C. O. Stone 1964-6-20 290 Siskiyou n section line crossing of Sec. 13 (on w side of jeep road, NE 1/4, NE 1/ 4, NE 1/ 4); Fall River Mills. Quad. 1085 Comment
  SEINET10754947  Cupressus lawsoniana Andrew Townesmith, Karen M. Meyer 2007-7-28 Townesmith 864 Siskiyou Shasta-Trinity National Forest. Along Forest Service route 26, 4.1 miles west of forest boundary. T39N R5W S10. 1277 Comment
  CDA39940  Cuscuta campestris Paul Rowan 1963-8-9 s.n. Siskiyou W.C. Peters property, Airport Road, ca. 3 miles northeast of Montague. 0 Comment
  RSA12491  Cuscuta suksdorfii var. subpedicellata C. B. Wolf 1934-7-4 5946 Siskiyou 6 8/10 mi. from Dry Lake Lookout on rd. to Horse Creek, Siskiyou Mts. Comment
  CAS-BOT-BC114774  Cyperus acuminatus Louis C. Wheeler 1934-10-11 3317 Siskiyou Oak Knoll Ranger Station, Klamath River. 670 Comment
  CAS-BOT-BC114687  Cyperus bipartitus Carl B. Wolf 1927-8-27 1123 Siskiyou On the Klamath river, Happy Camp Comment
  HSC66260  Cypripedium californicum Maralyn A. Renner 1980-7-4 1416 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  JEPS52317  Cypripedium fasciculatum Wayne Roderick 1963-6-12 Siskiyou about 15 road mi n Seiad Valley (n slope on ridge to e of pass); Siskiyou Mountains, Cook and Green Pass 1524 Comment
  CDA39517  Cypripedium montanum D. Osterhandt 1979-6-1 s.n. Siskiyou Sawyers Bar. 0 Comment
  CAS-BOT-BC189811  Dactylis glomerata Melissa A. Berry 1957-7-2 s.n. Siskiyou Fay Lane, Scott Valley. 822 Comment
  HSC9541  Dactylis glomerata C. B. Wolf 1927-8-26 1105 Siskiyou On the Klamath River, 8 mi. above Happy Camp Comment
  CAS-BOT-BC192263  Danthonia californica Doris K. Kildale 1928-8-19 6506 Siskiyou English Lake, head of north fork of Salmon River 1828 Comment
  UCD61322  Danthonia unispicata Robert E. Preston 2002-6-20 1830 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge. 1911 Comment
  HSC66361  Darlingtonia californica M. S. Taylor 1980-7-22 3171 Siskiyou 0.1 mi. SW of Big Carmen Lake, on S side of 40N08, 2.3 mi. NE of its junction with Hwy. 3 at Scott Mt. Summit. 1738 Comment
  OBI55413  Darlingtonia californica David J. Keil, Kathleen Keil 1992-7-21 23545 Siskiyou Klamath Natl Forest SE of Callahan. Forest Road 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  UC11154  Darlingtonia californica Geological Survey 1862-1 1356 Siskiyou near stream Mt. Shasta Comment
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Nov 6 2019
  UC1475697  Darlingtonia californica Clifton and Ground 1978-7-2 1856 Siskiyou near Big Carmen Lake (close to town of Callahan); China Mt. Quadrangle 1704 Comment
  SEINET12007449  Darlingtonia californica J. G. Lemmon 1873-1 s.n. Siskiyou near Mt. Shasta Comment
  SEINET6647407  Darlingtonia californica E. McClintock, W. Roderick 1967-7-28 s.n. Siskiyou Gumboat Lake, SW Mt. Eddy 1829 Comment
  CAS-BOT-BC141832  Dasiphora fruticosa W. R. Dudley 1899-8-26 s.n. Siskiyou Upper Sacramento Comment
  UC166662  Datisca glomerata Geo. D. Butler 1910-7-19 1723 Siskiyou Little Shasta Comment
  CAS-BOT-BC9564  Delphinium antoninum J. H. Thomas 1954-5-13 4150 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville 1127 Comment
  UC673152  Delphinium decorum subsp. tracyi Lincoln Constance and Reed C. Rollins 1942-5-14 2926 Siskiyou basaltic knoll 4 mi w Yreka (road to Walker Post Office); Klamath-Siskiyou Region 1219 Comment
  JEPS123411  Delphinium glaucum Julie Kierstead Nelson with Robin Fallscheer 2015-8-13 2015 -133 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. Comment
  HSC63252  Delphinium glaucum M. A. Baker 1979-7-28 1065 Siskiyou Wooley Creek Comment
  RSA211136  Delphinium glaucum William J. Ferlatte 1966-8-18 404 Siskiyou Wooded area 3 miles S of Big Flat. 1585 Comment
  JEPS86113  Delphinium nudicaule Wayne Roderick 1966-7-23 Siskiyou on creek ca 1 mi w Mt. Shasta City (nw-facing slope a few ft above creek); Wagon Creek Comment
  HSC41678  Delphinium nuttallianum Jennifer Whipple 1976-6-30 1210 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  JEPS74467  Delphinium nuttallianum W. J. Ferlatte 1966-6-22 88 Siskiyou open meadow along river between the campground and Carter's; Trinity Alps, South Fork of Salmon River 1524 Comment
  CAS-BOT-BC192461  Deschampsia cespitosa subsp. cespitosa Louis C. Wheeler 1934-8-14 3128 Siskiyou Klamath National Forest, N. side White Mt. 1767 Comment
  RSA14315  Deschampsia cespitosa subsp. cespitosa Elmer I. Applegate 1923-8-19 3895 Siskiyou Medicine Lake 1982 Comment
  UCD61375  Deschampsia cespitosa subsp. cespitosa Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1207 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Along shores of Gray Rock Lake. 1800 Comment
  UCD61084  Deschampsia cespitosa subsp. holciformis Sami Gray; Barbara L. Wilson 1995-9-2 8071 Siskiyou Klamath National Forest; Mount Eddy; upper end of Upper Deadfall Lake. Comment
  CAS-BOT-BC201635  Deschampsia danthonioides Louis C. Wheeler 1934-6-10 2674 Siskiyou Klamath National Forest. Hungry Creek 1097 Comment
  CAS-BOT-BC201945  Deschampsia elongata Melissa A. Berry 1957-7-7 s.n. Siskiyou Cabin Meadow, Gazelle-Callahan Road vicinity 1828 Comment
  HSC68978  Deschampsia elongata Maralyn A. Renner 1980-7-24 2109 Siskiyou Pacific Crest Trail, 0.25 mi. SW of Cook and Green Pass. 1494 Comment
  HSC46748  Deschampsia elongata William J. Ferlatte 1974-7-26 1602 Siskiyou Big Flat and vicinity; woods N side of Mountain Meadows Ranch. 1524 Comment
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Jun 7 2012
  RSA59808  Descurainia pinnata subsp. filipes E. K. Balls 1950-5-17 14722 Siskiyou New Lava Flow, along road from Schonchin Butte to Capt. Jack s Stronghold, Lava Beds Nat l Monument. 1463 Comment
  JEPS107484  Descurainia sophia Lowell Ahart, John Dittes 2005-6-9 12054 Siskiyou Meadow area along a small drainage, along the sides 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
  UC909337  Descurainia sophia Ira L. Wiggins 1950-5-27 12353 Siskiyou Callahan Ranger Station Scott River (banks of e fork of Scott River) 975 Comment
  HSC67584  Dicentra formosa J. P. Smith 1973-5-5 6410 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC8349  Dicentra formosa William J. Ferlatte 1967-6-5 497 Siskiyou Big Flat, near public camp 1524 Comment
  UCD95524  Dicentra formosa Ricky D. Pearce 1978-5-7 22 Siskiyou 3.4 miles W of the end of Coffee Creek Road. 1524 Comment
  RSA262522  Dicentra formosa subsp. formosa J. M. Tucker, D. V. Hemphill 1974-7-27 4309 Siskiyou Beside Haypress Creek, a short distance downstream from Haypress Meadows, Marble Mountain Wilderness Area 1463 Comment
  CAS-BOT-BC402484  Dicentra formosa subsp. formosa L. R. Short 1933-6-14 36 Siskiyou Klamath National Forest. Clear Creek 1249 Comment
  HSC26101  Dicentra pauciflora J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5684 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  HSC91286  Dicentra pauciflora Jennifer Whipple 1976-6-12 987 Siskiyou S face of Mt. Eddy draining into the N Fork of the Sacramento River 2378 Comment
  JEPS82680  Dicentra pauciflora Wayne Roderick 1984-6-7 Siskiyou Cabin Meadow s.w. Stewart Springs (camp site) 1798 Comment
  RSA297049  Dicentra pauciflora John F. Emmel 1974-7-19 517 Siskiyou Wet meadow 0.2 air mile west of Lily Pad Lake, Siskiyou Mountains. 1753 Comment
  SEINET10573675 Image available Dicentra pauciflora John G. Lemmon 1879-7-12 Lemmon s.n. Siskiyou Scott Mountain. Comment
  UCSB24989  Dicentra pauciflora Keefe, Joseph 1967-7-11 Siskiyou Along trail to Little Castle Lake, 1.0 mile southeast of Castle Lake, 10 miles south of city of Mt. Shasta 1828 Comment
  JEPS44099  Dieteria canescens var. shastensis W. B. and V. G. Cooke 1965-7-12 35191 Siskiyou Bolam Road Mt. Shasta 1524 Comment
  UC1188084  Dieteria canescens var. shastensis Philip A. Munz 1960-8-22 24183 Siskiyou Panther Meadows Mt. Shasta, Panther Meadows 2529 Comment
  UC1332426  Dieteria canescens var. shastensis W. Bridge Cooke 1940-7-12 15336 Siskiyou along Memorial Highway; Mount Shasta Comment
  UC572807  Dieteria canescens var. shastensis W. Bridge Cooke 1937-8-6 9172 Siskiyou Mt. Shasta 2133 Comment
  HSC76730  Dieteria canescens var. shastensis K. T. Stillman 1976-8-8 392 Siskiyou Marble Mtn. Wilderness Area, ridge W of jump off. 2073 Comment
  HSC92724  Dieteria canescens var. shastensis Jennifer Whipple 1976-7-24 1548 Siskiyou Dobkins Lake Drainage on East-facing slopes above Dobkins Lake 2256 Comment
  SEINET13701295  Diplacus jepsonii D. M. Thompson 1988-1 932 Siskiyou Along Hwy 89, SW corner of jct of Bigelow Meadows Road and Hwy 89, opposite Hwy 89 from FR 40N16, 2.4 miles W of turnoff for Cattle Camp Road; 2.0 mile W of USFS Ash Creek Station, 8.0 miles E of McCloud. 1097 Comment
  SBBG22540  Diplacus nanus C. B. Hardham 1961-6-30 8030 Siskiyou near Mud Spring 1828 Comment
  CHSC30092  Disporum hookeri M. S. Taylor; J. Prouty 1980-6-26 2985 Siskiyou On e side of Grizzley Peak Rd (39N06.3), ca. 6 mi due s of Algoma campground and Hwy 89. 1554 Comment
  CAS-BOT-BC208637  Distichlis spicata Geo. D. Butler 1910-8-21 1844 Siskiyou Saline Flat, Shasta Valley Comment
  HSC19142  Dodecatheon alpinum J. O. Sawyer 1969-7-16 1141 Siskiyou W of Waterdog Lake 2073 Comment
  JEPS82701  Dodecatheon jeffreyi Wayne Roderick 1984-6-7 Siskiyou n side Mt. Eddy Mt. Eddy, n side 1676 Comment
  RSA238713  Dodecatheon jeffreyi Frederick W. Oettinger 1968-8-3 380 Siskiyou Base Camp Meadow at mid-trail between Diamond and Hancock Lakes. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  UC1409476  Dodecatheon jeffreyi Frederick W. Oettinger 1969-7-15 1032 Siskiyou on ridge btw Diamond Lake and English Peak (High Lake Basins in vicinity English Peak, Marble Mountain Wilderness Area, Salmon Mountains, Western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 2072 Comment
  JEPS94820  Downingia insignis Vernon H. Oswald and Lowell Ahart 1998-6-11 9217 Siskiyou near the junction of Meiss Lake-Sams Neck Road and Highway 97 5 mi n of Macdoel (Butte Valley National Grassland); Butte Valley National Grassland 1295 Comment
  JEPS14471  Downingia montana W. L. Jepson 1940-7-3 20099 Siskiyou 5 mi se Bartle; Big Bear Flat 1219 Comment
  UC1094395  Downingia pulcherrima Rimo C. Bacigalupi with Galen Smith 1957-6-26 5937 Siskiyou ca 2 mi n Weed (along Highway 99) 1036 Comment
  HSC90899  Draba aureola Jennifer Whipple 1976-7-25 1577 Siskiyou N face of Mount Eddy 2439 Comment
  HSC19080  Draba howellii J. O. Sawyer 1969-7-2 1021 Siskiyou Slope above Big Blue Lake 2256 Comment
  UCD115052  Draba howellii W. C. Overton Jr. 1977-7-10 s.n. Siskiyou Along trail from Big Flat Campground to Sunrise Pass (between the headwaters of Gulick Creek to the NW and Sunrise Creek to the SE) between where it crosses contour lines 7280 and summit at ca. 7440 feet, Klamath National Forest. 2218 Comment
  UCD35436  Draperia systyla Beecher Crampton 1956-8-21 3839 Siskiyou Canyon of the south fork of the Sacramento River, lower slopes of White Ridge. 1371 Comment
  RSA0011654  Drosera anglica D. V. Hemphill 1972-8-9 s.n. Siskiyou Isinglass Lake. 1982 Comment
  HSC28659  Drosera rotundifolia Frederick W. Oettinger 1969-7-31 1113 Siskiyou Marble Mtn. Wilderness Area, W above English Lake 1829 Comment
  HSC18930  Drymocallis glandulosa J. O. Sawyer 1969-7-3 1043 Siskiyou Above Lipstick Lake 1951 Comment
  CAS-BOT-BC159681  Drymocallis glandulosa K. T. Stillman 1976-6-25 80 Siskiyou N side of Elk Valley, Marble Mountain wilderness Area 1798 Comment
  SEINET6652792  Drymocallis glandulosa var. glandulosa G. D. Butler 1910-5-30 1431 Siskiyou Humbug Creek Comment
  CAS-BOT-BC158417  Drymocallis rhomboidea G. P. Rixford s.n. Siskiyou South side of [Shaft-rock] Shaft Rock Mt., Hilt Comment
  POM120352  Dryopteris arguta Geo D. Butler 1910-7-8 1675 Siskiyou Shackleford Creek. 1220 Comment
  UC2026511  Eleocharis bella Louis C. Wheeler 1958-8-24 7428 Siskiyou Shasta Lake. 1/4 mi. west of mouth of Cove Creek. Comment
  CHSC118256  Eleocharis bella R. E. Brainerd; N. Otting 2013-7-12 2188 Siskiyou Klamath Mountains. Marble Mountains Wilderness Area. Upper Big Meadow, ca. 0.9 air mile northeast of Upper Wright Lake. UTM Zone 10 494918E 4604536N WGS84. 2167 Comment
  RSA577567  Eleocharis bella L. C. Wheeler 1935-7-20 3677 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 Comment
  JEPS95047  Eleocharis engelmannii Vernon Oswald and Lowell Ahart 1997-7-28 8808 Siskiyou on e side of Forest Route 15, 10.9 mi n of Highway 89; Forest Route 15 1383 Comment
  CHSC91241  Eleocharis parishii Lowell Ahart; John Dittes 2005-6-10 12096 Siskiyou At the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CAS-BOT-BC227127  Elymus Melissa A. Berry 1957-7-11 s.n. Siskiyou Parrott Mill Road, vicinity of Callahan 1005 Comment
  RSA603996  Elymus L. C. Wheeler 1934-8-14 3132 Siskiyou White Mountains 1768 Comment
  CAS-BOT-BC227923  Elymus elymoides L. E. Smith 1913-6-25 393 Siskiyou Montague Comment
  POM359940  Elymus elymoides M. B. Dunkle 1945-07 9241 Siskiyou Klamath National Forest; Marble Mts. Comment
  RSA210772  Elymus elymoides Jim Henrickson, C. W. Tilforth 1969-9-3 39037 Siskiyou Margin of desiccated alkali flat along Hwy 161 on N side of Lower Klamath Lake, Lake Klamath National Wildlife Refuge, 1.9 mi. E of junction of Hwys 97 and 161l with Chenopodium rubrum, Atriplex argentea expansa. etc. Comment
  SEINET9359604  Elymus elymoides 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
  UCD61688  Elymus elymoides subsp. californicus A. A. Heller 1920-6-24 13387 Siskiyou Metcalf's ranch, NE base of Mt. Eddy. 1280 Comment
  UC197112  Elymus elymoides subsp. elymoides Geo. D. Butler 1910-7-12 1762 Siskiyou Shackleford Creek 1371 Comment
  HSC4774  Elymus elymoides var. californicus William J. Ferlatte 1966-8-18 427 Siskiyou Willow Creek Trail. 2226 Comment
  HSC38384  Elymus elymoides var. elymoides A. M. Montalvo, J. D. Ackerman 1974-7-2 344 Siskiyou E slope of Eddy Mtn., on rd. to Deadfall Lakes and Morgan Meadows. 1524 Comment
  LA14810  Elymus glaucus Louis C. Wheeler; 1934-4-14 3143 Siskiyou Siskiyou Mountains, E end White Mt 1767 Comment
  POM2058603  Elymus glaucus Copeland 1903-9-6 3802 Siskiyou Mt. Eddy Comment
  RSA238401  Elymus glaucus Frederick W. Oettinger 1969-8-18 1423 Siskiyou North end of Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC206594  Elymus glaucus subsp. glaucus John Thomas Howell 1937-7-21 13167 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC235226  Elymus multisetus David D. Keck 1949-7-19 6359 Siskiyou SW of Yreka on road to Ft. Jones Comment
  POM198623  Elymus multisetus Geo D. Butler 1910-5-26 1412 Siskiyou Yreka Comment
  UCD62562  Elymus repens M. V. Maxwell 1955-9-27 Siskiyou Macdoel. Comment
  RSA144782  Epilobium angustifolium subsp. circumvagum J. W. MacSwain 1959-8-10 59 -149 Siskiyou West of McCloud Comment
  RSA237654  Epilobium angustifolium subsp. circumvagum Frederick W. Oettinger 1967-8-21 314 Siskiyou Northwest of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1878 Comment
  RSA588492  Epilobium brachycarpum M. B. Dunkle 1945-8-2 9280 Siskiyou Kings Castle, Klamath National Forest. Marble Mountains. Comment
  RSA237392  Epilobium brachycarpum Frederick W. Oettinger 1969-8-18 1429 Siskiyou Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1791 Comment
  SD88342  Epilobium ciliatum subsp. ciliatum Darley F. Howe 1972-7-6 4873 Siskiyou 1.3 miles south of Oregon state line on road to Happy Camp. 1646 Comment
  POM215737  Epilobium ciliatum subsp. ciliatum Louis C. Wheeler 1935-7-3 3650 Siskiyou 2 mi nw of Montague (Shasta River); Shasta River. 761 Comment
  POM248154  Epilobium ciliatum subsp. glandulosum W. Bridge Cooke 1939-8-22 13881 Siskiyou Mount Shasta: along the large Wagon Camp Creek. 1738 Comment
  POM32618  Epilobium ciliatum subsp. glandulosum E. B. Copeland 1903-8-13 3723 Siskiyou Sisson. 1067 Comment
  UCD77625  Epilobium clavatum Robert E. Preston 2001-7-21 1729 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 2066 Comment
  UCR104578  Epilobium glaberrimum subsp. glaberrimum J. A. Alexander, R. D. Alexander, N. A. Alexander, A. R. Alexander 1994-7-2 125 Siskiyou Marble Mtns., Sawyer's Bar Road, at base of Snoozer Ridge, Marble Mtns. Wilderness Area 1500 Comment
  HSC19492  Epilobium hornemannii subsp. hornemannii J. O. Sawyer 1969-7-11 1314 Siskiyou Above S Sugar Creek 2012 Comment
  HSC92791  Epilobium hornemannii subsp. hornemannii Jennifer Whipple 1976-7-8 1336 Siskiyou N slopes of Mount Eddy 2439 Comment
  CAS-BOT-BC419731  Epilobium luteum Julie Kierstead Nelson; Martin Lenz; Rhonda Posey 2014-8-13 2014 -086 Siskiyou Headwaters of West Fork Parks Creek, adjacent to Road 41N29Y, 2 miles NE of China Mountain, eastern Klamath Ranges. 2194 Comment
  HSC16317  Epilobium minutum R. C. Wunner 1965-7-9 363 Siskiyou 60 ft. on Black Crater Trail from jct. of Hardin Butte Trail Comment
  POM38545  Epilobium minutum Geo. D. Butler 1910-4-18 1195 Siskiyou Near Yreka Comment
  HSC29173  Epilobium oregonense Frederick W. Oettinger 1968-9-7 758 Siskiyou Marble Mtn. Wilderness Area, around Tobacco Lake 1890 Comment
  POM46473  Epilobium siskiyouense Geo. D. Butler 1910-7-9 1727 Siskiyou Wooly Creek. 1677 Comment
  RSA239007  Equisetum hyemale var. affine Frederick W. Oettinger 1966-8-7 50 Siskiyou Tom Taylor Cabin. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1860 Comment
  CAS-BOT-BC57807  Equisetum laevigatum J. H. Thomas 1949-6-16 941 Siskiyou 10 mi. n. of Gazelle. Comment
  HSC36221  Equisetum laevigatum John Rehling 1974-8-24 40 Siskiyou Along Hwy. 3, 1.5 mi. N of Fort Jones Comment
  UCR168481  Eragrostis orcuttiana L. C. Wheeler 1934-10-6 3314 Siskiyou Siskiyou Mountains, Oak Knoll Ranger Station, Klamath River 671 Comment
  JEPS52498  Eremocarpus setiger Geo. D. Butler 1908-8-15 69 Siskiyou near Yreka; Butler Ranch Comment
  CAS-BOT-BC174227  Eremogone congesta var. congesta C. L. Hitchcock; J. S. Martin 1939-7-9 5324 Siskiyou 1/2 mile southeast of King's Castle, Marble Mts. 1828 Comment
  HSC75350  Eremogone congesta var. congesta J. O. Sawyer, M. Mesler 1980-8-10 4032 Siskiyou S of Carmen Lake, ultramafics of Scott Mtn. 1829 Comment
  CAS-BOT-BC174269  Eremogone congesta var. subcongesta Gilbert J. Muth 1969-8-6 1237 Siskiyou Boulder Peak Ridge Comment
  UC1538953  Eriastrum signatum Ann Hale 1987-7-19 Siskiyou near Lake Shastina; Lake Shastina Quad., south end of Shasta Valley 883 Comment
  CAS-BOT-BC291264  Ericameria bloomeri L. R. Short 1933-9-8 68 Siskiyou Klamath National Forest. Deer Camp 1889 Comment
  SD76180  Ericameria bloomeri Helen V. Witham 1969-10-9 597 Siskiyou McBride Springs Road, Mount Shasta 1500 Comment
  UC1188089  Ericameria bloomeri Philip A. Munz 1960-8-22 24172 Siskiyou Panther Meadows Mt. Shasta, Panther Meadows 2286 Comment
  UC216908  Ericameria bloomeri H. M. Hall 1919-10-2 Siskiyou between Weed and Sisson Comment
  UC86503  Ericameria bloomeri J. D. Hooker and A. Gray 1877-1 Siskiyou Shasta Mt. Comment
  CAS-BOT-BC287493  Ericameria greenei Louis C. Wheeler 1934-8-24 3220 Siskiyou Trapper Creek, Siskiyou Mts 1859 Comment
  CAS-BOT-BC287498  Ericameria greenei Louis C. Wheeler 1934-8-24 3220 Siskiyou Trapper Creek, Klamath Forest 1859 Comment
  HSC75372  Ericameria greenei J. O. Sawyer, M. Mesler 1980-8-10 4028 Siskiyou S of Carmen Lake, ultramafics of Scott Mtn. 1829 Comment
  POM274348  Ericameria greenei B. W. Heacox 1947-9-11 187 Siskiyou Dry-Lake Look-out Station. Siskiyou Mt. Range, Klamath River Drainage Area Comment
  CAS-BOT-BC294304  Ericameria nauseosa var. speciosa E. B. Copeland 1903-10-10 3785 Siskiyou Mt. Eddy 2225 Comment
  UC904773  Ericameria nauseosa var. speciosa W. Bridge Cooke 1949-8-26 25670 Siskiyou along logging road above Bolam Station; Mount Shasta 1828 Comment
  UC1540155  Ericameria parryi var. latior Dean Wm. Taylor and Glenn L. Clifton 1987-8-6 9249 Siskiyou near Bartle (road to Medicine Lake from Highway 89) 1389 Comment
  HSC29242  Erigeron aliceae Frederick W. Oettinger, R. F. Thorne 1969-8-4 1185 Siskiyou Marble Mtn. Wilderness Area, N of Tobacco Lake 1890 Comment
  HSC61780  Erigeron aliceae Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  HSC68172  Erigeron aliceae J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5714 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  HSC31128  Erigeron aliceae J. O. Sawyer 1971-8-19 2455 Siskiyou 2012 Comment
  CAS-BOT-BC293519  Erigeron annuus L. E. Smith 1913-7-27 s.n. Siskiyou McCloud Comment
  JEPS104816  Erigeron cervinus Dean W. Taylor 1996-7-12 15789 Siskiyou Salmon Mountains; Patterson Creek drainage (about 5 air miles west of Etna); Klamath National Forest 1371 Comment
  HSC72365  Erigeron compositus J. P. Smith, Linda M. Barker, J. Cole, Jennifer Whipple 1976-7-28 8957 Siskiyou Sikiyou-Trinity county line, summit of Mt. Eddy 2752 Comment
  NY168441  Erigeron copelandii E. B. Copeland 09 1903 s.n. Siskiyou Mt. Eddy 1249.7 Comment
  HSC5518  Erigeron filifolius R. C. Wunner 1965-6-20 230 Siskiyou Lava Beds National Monument near Thunderbolt Cave entrance 1463 Comment
  HSC68443  Erigeron foliosus var. confinis Maralyn A. Renner 1980-7-4 1386 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow 1585 Comment
  HSC25661  Erigeron glacialis var. glacialis J. O. Sawyer 1969-8-4 1823 Siskiyou Above Sugar Lake 2134 Comment
  HSC92365  Erigeron glacialis var. glacialis Jennifer Whipple 1976-7-9 1385 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC623  Erigeron glacialis var. glacialis William J. Ferlatte 1966-7-7 210 Siskiyou NW side of Caribou Mtn. 1829 Comment
  UC1619969  Erigeron inornatus Barbara Ertter 1990-7-14 9328 Siskiyou ca. 4 airmiles w. Mt. Shasta City (Wagon Creek on e. side of Mt. Eddy, ridge s. and above creek); Mt. Eddy, Wagon Creek 1950 Comment
  CHSC71563  Erigeron inornatus var. inornatus Vernon H. Oswald; Lowell Ahart 1998-8-3 9410 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.5 mi southeast of Gazelle-Callahan Rd. 1493 Comment
  JEPS105172  Erigeron inornatus var. inornatus Dean W. Taylor 1993-7-30 14020 Siskiyou Highway 3 about 7 miles east of Fort Jones (tributary to Scott River); Klamath National Forest 609 Comment
  UC583153  Erigeron inornatus var. inornatus Lewis S. Rose 1936-7-29 36705 Siskiyou Shasta Springs 762 Comment
  CAS-BOT-BC295460  Erigeron klamathensis Louis C. Wheeler 1934-8-6 3056 Siskiyou Rock Gulch off Jaynes Canyon, Siskiyou Mts. 1828 Comment
  RSA215642  Erigeron peregrinus subsp. callianthemus Gilbert Muth 1969-8-7 1266 Siskiyou Boulder Peak Ridge 2470 Comment
  CAS-BOT-BC295811  Erigeron petrophilus var. viscidulus A. A. Heller 1914-8-28 11737 Siskiyou East side of Mt. Eddy 2499 Comment
  HSC30272  Erigeron petrophilus var. viscidulus William J. Ferlatte 1971-9-18 1383 Siskiyou Sawtooth Ridge between Caribou Basin and Stuarts Fork 2287 Comment
  CDA4938  Erigeron philadelphicus T. C. Fuller 1958-6-19 1887 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  UC31542  Erigeron philadelphicus var. philadelphicus T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  HSC92780  Erigeron tener Jennifer Whipple 1976-7-25 1578 Siskiyou N face of Mt. Eddy 2500 Comment
  CAS-BOT-BC224144  Eriodictyon californicum Carl B. Wolf 1927-8-26 1001 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  SBBG15417  Eriodictyon californicum D. Myrick 1961-6-21 297 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1066 Comment
  UC1211909  Eriogonum compositum var. compositum Roy L. Taylor 1960-6-12 4440 Siskiyou 1 mi w jtn. of Hwy 96 (Klamath River Rd.) and Hwy. 99 n of Yreka (hillsides above the Klamath River); Klamath River Comment
  RSA237750  Eriogonum compositum var. compositum Frederick W. Oettinger 1967-7-26 199 Siskiyou Northeastern end of Crapo Peak ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  CAS-BOT-BC242531  Eriogonum congdonii James L. Reveal; Darin S. Reveal 1978-8-8 4802 Siskiyou Along the road to Big Carmen Lake, about 1 mile north of Scott Mountain Summit on California Highway 3, on ridge 0.2 mile southeast of the road toward Scott Mountain 1706 Comment
  JEPS98387  Eriogonum congdonii Vernon H. Oswald 2000-8-28 9958 Siskiyou Rock Fence Lake Road (40N18) 0.6 mi from its jct. with Kangaroo Lake Road 1737 Comment
  HSC30225  Eriogonum diclinum William J. Ferlatte 1971-9-18 1378 Siskiyou Caribou Basin 2104 Comment
  RSA279588  Eriogonum diclinum James L. Reveal 1975-8-15 3956 Siskiyou Sisikiyou Mountains; Klamathe Nat'l Forest; along the Dry Lake Lookout Road ( FSR 40S01) 0.5 mile west of Dry Lake Lookout near the Buckhorn Trail. 2043 Comment
  CHSC1318  Eriogonum douglasii var. meridionale V. Holt 1943-8-7 Siskiyou Marble Mountains. 2164 Comment
  CAS-BOT-BC255705  Eriogonum douglasii var. meridionale L. R. Short 1933-6-9 128 Siskiyou 1/4 mi. from Klamath River 853 Comment
  CAS-BOT-BC255730  Eriogonum elatum var. elatum M. B. Dunkle 1945-8-2 9275 Siskiyou Paradise Lake, Marble Mts., Klamath Nat'l Forest 1828 Comment
  RSA393293  Eriogonum elatum var. elatum M. B. Dunkle 1945-8-2 9275 Siskiyou Paradise Lake, Klamath National Forest, Marble Mountains. Comment
  UC1035866  Eriogonum elatum var. villosum Annie M. Alexander and Louise Kellogg 1948-9-5 5582 Siskiyou South Fork Salmon River at Matthews Creek; South Fork Salmon River, Matthews Creek Comment
  RSA264975  Eriogonum lobbii var. lobbii Gilbert Muth 1975-7-31 6034 Siskiyou Near Kangaroo Mountain, near Seiad Valley. 1919 Comment
  POM105148  Eriogonum luteolum Geo. D. Butler 1910-6-17 1572 Siskiyou Near Yreka Comment
  CAS-BOT-BC263666  Eriogonum luteolum var. luteolum Alice Eastwood 1922-10-23 11550 Siskiyou Yreka Comment
  HSC28194  Eriogonum luteolum var. luteolum J. P. Smith, J. O. Sawyer 1971-9-18 4805 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  SD104875  Eriogonum marifolium Darley Howe 1979-6-25 Siskiyou 3 mi. NW of forks of Salmon River on Somes Bar Rd Comment
  CHSC63610  Eriogonum marifolium var. cupulatum Vernon H. Oswald; Lowell Ahart 1994-8-10 6456 Siskiyou FS 41N01Y at Elk Flat, ca. 1 mi N of Pilgrim Creek Rd. (FS13), ca. 11 mi (air) NE of McCloud. In a meadow. 1243 Comment
  CHSC4548  Eriogonum marifolium var. marifolium J. E. Bowlin 1967-7-18 52 Siskiyou Ca. 15 yds. above the parking lot and restaurant at Mount Shasta Ski Bowl. Ca. 15.5 mi from the city of Shasta (center of the city). Comment
  HSC19504  Eriogonum nudum var. nudum J. O. Sawyer 1969-7-3 1056 Siskiyou SE facing slope above Horse Range Creek 1616 Comment
  UC1034615  Eriogonum nudum var. nudum Douglas Barbe 1955-6-28 9 Siskiyou roadside bank 0.2 mi n Callahan 975 Comment
  CAS-BOT-BC269743  Eriogonum nudum var. oblongifolium Carl B. Wolf 1927-8-26 1043 Siskiyou On the Klamath River, 4 mi. north of Gottville Comment
  CAS-BOT-BC272501  Eriogonum nudum var. pubiflorum John Thomas Howell 1934-7-4 12396 Siskiyou Se. corner of Siskiyou Co. Comment
  HSC42998  Eriogonum nudum var. pubiflorum J. P. Smith, Steve Selva 1970-6-15 3977 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  SBBG83721  Eriogonum nudum var. pubiflorum D. Koutnik, M. Townsend 1979-9-10 592 Siskiyou 5 mi SW of Yreka on Fort Jones Rd 914 Comment
  UC1215080  Eriogonum pyrolifolium Paul C. Hutchison 1962-8-2 928 Siskiyou between top of ski lift and Panther Meadow; Mt. Shasta 2438 Comment
  CAS-BOT-BC267708  Eriogonum roseum Louis C. Wheeler 1934-9-19 3282 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  CAS-BOT-BC268582  Eriogonum siskiyouense James L. Reveal; Darin S. Reveal 1978-8-8 4806 Siskiyou Along the road from Scott Mountain Summit on California Highway 3 on the Gazelle-Callahan Road via Big Carmen Lake (USFS #40N08), 2.5 miles northeast of the Summit and about 1 mile northeast of the lake, at the end of a ridge about 0.3 mile north of the.. 1737 Comment
  CAS-BOT-BC268585  Eriogonum siskiyouense Thomas W. Nelson; Jane P. Nelson 1983-7-29 7504 Siskiyou North Coast Ranges. Along west side of State Route 3 2.4 miles north of Scott Mountain Summit just north of junction with forest road 40N03 1371 Comment
  UC1540132  Eriogonum spergulinum var. reddingianum Dean W. Taylor 1987-6-26 9076 Siskiyou 2 mi se Medicine Lake; Paynes Spring 1996 Comment
  RSA93409  Eriogonum spergulinum var. reddingianum M. S. Baker, H. K. Wagnon 1953-7-11 12831 Siskiyou 1.9 mi. above Whitlock Camp in open forest. 1372 Comment
  UC54213  Eriogonum strictum var. anserinum H. M. Hall and E. B. Babcock June, 1903 4099 Siskiyou Little Shasta Valley Mount Shasta, Little Shasta Valley 853 Comment
  CAS-BOT-BC262754  Eriogonum strictum var. anserinum L. E. Smith 1913-6-2 327 Siskiyou Unspecified Comment
  HSC43452  Eriogonum strictum var. proliferum Jennifer Whipple 1977-8-4 2151 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2439 Comment
  SEINET7459646 Image available Eriogonum sulphureum Unknown 1927-1 14443 Siskiyou 5 mi. S. of Yreka. The type region. Comment
  CAS-BOT-BC267944  Eriogonum umbellatum W. R. Dudley 1899-8-24 s.n. Siskiyou Top of Craggy Peak Comment
  SEINET10904464  Eriogonum umbellatum subsp. polyanthum Mary Susan Taylor 1980-8-19 Taylor 3267 Siskiyou T43N R2E se sec 23, Medicine Lake quad. Shasta-Trinity Natl Forest, in pumice, on Paint Pot Crater. With J. Prouty & E. Heinz. 1920 Comment
  JEPS83872  Eriogonum umbellatum var. argus Wayne Roderick July 1976 Siskiyou along trail to Copper Butte (vicinity Cook and Green Pass); Siskiyou Mts. 1767 Comment
  SEINET3025891 Image available Eriogonum umbellatum var. argus J. L. Reveal, M. L. Reveal 1975-8-15 3955 Siskiyou 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. 2040 Comment
  CAS-BOT-BC267995  Eriogonum umbellatum var. argus Gordon H. True 1966-9-9 3293 Siskiyou 20 miles south east of Obrien on Happy Camp Road 1524 Comment
  UC6562  Eriogonum umbellatum var. dumosum C. B. Bradley 1897-1 Siskiyou Comment
  RSA238990  Eriogonum umbellatum var. goodmanii Frederick W. Oettinger 1966-6-27 30 Siskiyou About 600 yds up road from Crawford Creek, Guard Station, Salmon River District, Klamath Nat. Forrest, Cevilville. Comment
  CAS-BOT-BC268146  Eriogonum umbellatum var. humistratum Wm. Bridge Cooke 1940-7-26 15369 Siskiyou Mount Shasta. Along Diller Canyon Comment
  CAS-BOT-BC268152  Eriogonum umbellatum var. humistratum Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  CAS-BOT-BC268155  Eriogonum umbellatum var. humistratum John Thomas Howell 1939-8-8 15169 Siskiyou Black Mt., Marble Mts. Comment
  HSC43431  Eriogonum umbellatum var. humistratum Jennifer Whipple 1976-7-24 1552 Siskiyou SW of Dobkins Lake along the drainage into the lake 2256 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
  HSC77562  Eriogonum umbellatum var. polyanthum L. P. Janeway 1983-8-26 615 Siskiyou At Poker Flat, dry W side of meadow 1524 Comment
  RSA11905  Eriogonum umbellatum var. speciosum Elmer I. Applegate 1923-9-7 3961 Siskiyou Rocky summit of the Siskiyou Mountains, above Dry Lake Ranger Station. Comment
  UC454344  Eriogonum vimineum I. J. Condit 1911-7-13 Siskiyou bank of Sacramento River, Dunsmuir Sacramento River, Dunsmuir Comment
  CAS-BOT-BC112325  Eriophorum crinigerum William Bridge Cooke 1940-6-6 15054 Siskiyou Among rocks on the shores of Castle Lake. 1676 Comment
  CAS-BOT-BC301098  Eriophyllum lanatum var. achilleoides J. H. Chastain 1917-6-1 s.n. Siskiyou Gazelle Comment
  CAS-BOT-BC301124  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-5-4 1279 Siskiyou Near Yreka Comment
  CAS-BOT-BC301134  Eriophyllum lanatum var. achilleoides Doris K. Kildale; J. W. Gillespie 1929-6-22 8031 Siskiyou Base of Black Butte near Mt. Shasta Comment
  UC643288  Eriophyllum lanatum var. achilleoides W. Bridge Cooke 1940-6-27 15207 Siskiyou n side of mountain along the logging road above Hotlum Station (on lava fields in the Lava Park); Mount shasta 1371 Comment
  POM252998  Eriophyllum lanatum var. achilleoides A. A. Heller 1938-7-12 15257 a Siskiyou Near the western base of Deer Mountain on US Hwy 97. Comment
  POM358027  Eriophyllum lanatum var. achilleoides B. C. Templeton 1960-6-21 8528 Siskiyou Between California State line and the Agricultural Inspection Station Comment
  SBBG111919  Eriophyllum lanatum var. achilleoides C. Bornstein 1996-6-29 Siskiyou Scott Valley Overlook Comment
  UC563839  Eriophyllum lanatum var. achilleoides Elmer I. Applegate 1935-6-10 9474 Siskiyou Thomas massacre area Lava Beds National Monument Comment
  UC507182  Eriophyllum lanatum var. grandiflorum Lincoln Constance 1928-6-1 Siskiyou s of Weed Comment
  CAS-BOT-BC308283  Eriophyllum lanatum var. integrifolium G. J. Muth 1969-8-6 1189 Siskiyou Boulder Peak 2529 Comment
  CAS-BOT-BC301724  Eriophyllum lanatum var. lanceolatum C. R. Quick 1950-6-21 50 -03 Siskiyou Paul's Gulch, lateral drainage S of Hungry Creek Comment
  CAS-BOT-BC94802  Eriophyllum lanatum var. lanceolatum R. C. Wenk 2008-7-24 939 Siskiyou Kangaroo Lake, S of Gazelle-Callahan Road, top of ridge S of lake 1981 Comment
  HSC30611  Eriophyllum lanatum var. lanceolatum Frederick W. Oettinger 1969-8-18 1414 Siskiyou Pierce's Draw, Horse Range Lake Trail 1738 Comment
  RSA166005  Eriophyllum lanatum var. lanceolatum Donald Myrick 1961-6-20 274 Siskiyou Near Mt. Shasta City 1067 Comment
  UC163899  Eriophyllum lanatum var. lanceolatum Geo. D. Butler 1910-5-23 1394 Siskiyou Humbug Mountain Comment
  UCR129902  Eriophyllum lanatum var. lanceolatum L. C. Wheeler 1958-8-18 7399 Siskiyou Mt. View Mine, West Fork Seiad Creek 1524 Comment
  UC166140  Eruca vesicaria subsp. sativa Geo. D. Butler 1908-6-20 1050 Siskiyou Yreka, field near Comment
  UC375288  Eruca vesicaria subsp. sativa Geo. D. Butler 1908-7-14 1049 Siskiyou Yreka, field near Comment
  CAS-BOT-BC55112  Erysimum perenne William Bridge Cooke 1938-8-24 11583 Siskiyou Mount Shasta. Near North Gate, west of Grey Butte. 2133 Comment
  CAS-BOT-BC55113  Erysimum perenne William Bridge Cooke; V. G. Cooke 1963-7-9 34218 Siskiyou Mount Shasta. Near McBride Springs in dry Cascade Gulch. 1524 Comment
  CAS-BOT-BC55117  Erysimum perenne Gilbert Muth 1965-8-6 s.n. Siskiyou North side of Black Mountain. Comment
  HSC19560  Erysimum perenne J. O. Sawyer 1969-7-24 1472 Siskiyou NW facing slope SW of Sugar lake. 1829 Comment
  HSC75116  Erysimum perenne J. P. Smith, Thomas W. Nelson 1979-6-15 10126 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  HSC91050  Erysimum perenne Jennifer Whipple 1978-10-6 2410 Siskiyou Slopes in the Eddy Creek drainage 2287 Comment
  SEINET13694516 Image available Erythranthe alsinoides Sandra Holloway 1963-1 35 Siskiyou Indian campground, Clement's Ranch, ca. 4 miles northwest of Montague. 762 Comment
  SBBG122973  Erythranthe linearifolia B. Ertter, J. Kierstead, J. Nelson 1990-7-15 9354 Siskiyou Morgan Meadows, E side of Mt Eddy; ca. 5 mi W of Mt Shasta City 1676 Comment
  CHSC35569  Erythranthe microphylla James P. Smith 1973-5-5 6421 Siskiyou Along Cook and Green Pass road. Comment
  CAS-BOT-BC133273  Erythronium citrinum Elmer I. Applegate 1932-4-16 7062 Siskiyou 6 miles down the Klamath River from the mouth of Doggett Creek, just above Hamburg Comment
  RSA28186  Erythronium citrinum var. citrinum Elmer I. Applegate 1932-4-16 7061 Siskiyou Klamath River opposite the mouth of Doggett Creek Comment
  SEINET3991732  Erythronium grandiflorum Unknown 1901-6-1 Siskiyou Marble Mtn. Comment
  HSC16750  Eschscholzia californica R. C. Wunner 1965-6-15 191 Siskiyou Lava Beds National Monument, SE side of Caldwell Butte near old cinder pit 1402 Comment
  SD126059  Eucephalus breweri Steve Morgan 1987-7-28 Siskiyou Shasta-Trinity National Forest. McGinnis Springs, 5 miles north of McCloud, south of Mt. Shasta Comment
  JEPS41319  Eucephalus ledophyllus Ruby Van Deventer 1938-7-31 38 Siskiyou s of, sw of Poker Flat Lookout Mountain (Twin Valley Trail) 1219 Comment
  POM138028  Euphorbia spathulata E. B. Copeland 1903-7-3 3523 Siskiyou Klamathon. Comment
Read comments
Jan 23 2011
  HSC71192  Festuca californica M. A. Baker 1980-6-20 2225 Siskiyou Near Bald Mtn. 1036 Comment
  JEPS104936  Festuca californica Dean W. Taylor 1996-6-18 15698 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 Comment
  UC682121  Festuca californica G. L. Stebbins Jr. with A. A. Beetle 1942-6-1 3266 Siskiyou 15 mi n Happy Camp (above Indian Creek) 1219 Comment
  RSA273423  Festuca californica var. californica J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5735 Siskiyou 2.0 miles south of Sugar Creek on Parrott Mill Road. 1341 Comment
  CAS-BOT-BC278723  Festuca idahoensis K. T. Stillman 1976-7-21 274 Siskiyou Marble Mountain Wilderness Area Comment
  CAS-BOT-BC278728  Festuca idahoensis John Thomas Howell 1939-8-9 15240 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  CAS-BOT-BC278733  Festuca idahoensis Louis C. Wheeler 1934-6-1 2658 Siskiyou Klamath National Forest, N. Hungry Creek 1219 Comment
  CAS-BOT-BC278738  Festuca idahoensis Louis C. Wheeler 1934-6-7 2658 Siskiyou North Hungry Creek, Siskiyou Mts. 1219 Comment
  HSC92559  Festuca idahoensis Jennifer Whipple 1977-8-4 2154 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2439 Comment
  RSA414218  Festuca idahoensis M. B. Dunkle 1945-8-2 9283 Siskiyou Kings Castle, Klamath National Forest. Marble Mountains. Comment
  UC1483545  Festuca idahoensis J. Sawyer and J. Cole 1980-7-21 3902 Siskiyou near Haight Mtn. (along F.S. road running s to sw); Klamath National Forest, Bray Quad. 1938 Comment
  UCD65971  Festuca idahoensis A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3383 Siskiyou 2 miles south of Doris, on Hwy. 97. Comment
  HSC19060  Festuca occidentalis J. O. Sawyer 1969-7-23 1174 Siskiyou Near Horse Range Creek. 1341 Comment
  RSA47801  Festuca occidentalis Roxana S. Ferris, Laura Lorraine 11744 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  UC1190231  Festuca occidentalis Ira L. Wiggins 1955-7-24 13498 Siskiyou ridge between upper reaches of China Creek and Blind Horse Creek Comment
  SEINET239826 Image available Festuca roemeri var. klamathensis Barbara L. Wilson 1996-6-22 8170 Siskiyou app. 6 mi west of the town of Weed; 2.5 mi southwest of the Gazelle Rd on the Stewart Springs Road (Forest Service Rd 17.) Comment
  CHSC61575  Festuca rubra L. P. Janeway 1983-7-7 390 Siskiyou Siskiyou Mountains; southeast-sloping ridge just northwest behind West Branch Guard Station. 701 Comment
  UC1265440  Festuca rubra F. W. Oettinger 1969-9-4 1673 Siskiyou Tom Taylor Cabin, w Siskiyou County Salmon Mountains 2011 Comment
  UCD66366  Festuca rubra Collector Unknown 1889-6-1 Siskiyou Edgewood. Comment
  RSA239111  Festuca subulata Frederick W. Oettinger 1968-9-6 726 Siskiyou Southeast of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UCD66431  Festuca subulata A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3440 Siskiyou Near Happy Camp above the Klamath River. Comment
  SEINET11915235  Fragaria californica H. P. Chandler 1901-1 1569 Siskiyou nr Marble Mtn - North Coast Ranges 1829 Comment
  UC796662  Fragaria vesca Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11741 Siskiyou w of Callahan (French Creek Logging Road) 1066 Comment
  CHSC29777  Fragaria virginiana M. S. Taylor; W. Roderick, B. Williams 1980-6-4 2783 Siskiyou Bog around Cedar Lake, at lake edge. 1737 Comment
  HSC69501  Fragaria virginiana J. O. Sawyer, J. Cole 1980-7-20 3740 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  UCD113261  Fragaria virginiana Wm. E. Moon 1958-5-29 s.n. Siskiyou Vernal pond, State Hwy. 97, southwest of Hebron Summit. Comment
  CAS-BOT-BC447517  Fragaria virginiana var. platypetala Wm. Bridge Cooke 1939-6-23 13542 Siskiyou Frequent around moist places at the lower end of the upper Wagon Camp meadow 1737 Comment
  HSC67688  Frangula californica John Palmer 1980-7-24 634 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  SBBG26936  Frangula purshiana subsp. purshiana D. K. Kildale 1928-7-3 Siskiyou Little N Fork Salmon River, Sawyers Bar-Etna Mills Rd Comment
  HSC46150  Fraxinus latifolia J. P. Smith, Steve Selva 1970-7-17 4424 Siskiyou Along Klamath River Comment
  CAS-BOT-BC130174  Fritillaria affinis Mrs. Stonehouse 1916-4-25 s.n. Siskiyou Hilt Comment
  CAS-BOT-BC502841  Fritillaria atropurpurea Elmer I. Applegate 1895-5-29 714 Siskiyou West base of Mount Shasta, near Sisson Comment
  HSC45199  Fritillaria glauca J. O. Sawyer, Ed Cope 1977-6-21 2981 Siskiyou Near Prescott Peak 1677 Comment
  HSC45206  Fritillaria glauca J. O. Sawyer, Ed Cope 1977-6-20 2972 Siskiyou Along W slopes of Bear Mtn. 1829 Comment
  CHSC2283  Fritillaria pudica A. Anderson 1962-3-14 Siskiyou Scott Valley. 914 Comment
  HSC39778  Fritillaria recurva J. O. Sawyer 1970-4-4 2079 Siskiyou Along Sugar Creek 823 Comment
  POM367630  Galium M. B. Dunkle 1945-7-22 9243 Siskiyou Marble Mtns. Klamath National Forest. 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
  HSC43063  Galium bolanderi Ken Stillman 1976-8-31 452 Siskiyou E and N sides of Williams Point 366 Comment
  UC888781  Galium bolanderi John Thomas Howell 1937-7-26 13553 Siskiyou Caribou Gulch Comment
  HSC29327  Galium bolanderi Frederick W. Oettinger 1969-8-3 1144 Siskiyou Marble Mtn. Wilderness Area, above stock gate between Willow Springs and English Lake, 200 ft. above trail 1829 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
  UCR21104  Galium boreale T. W. Fisher, R. E. Orth, Earl Oatman 1974-6-26 s.n. Siskiyou McIntosh Ranch on the McCloud River near Bartle 1220 Comment
  HSC68987  Galium glabrescens Maralyn A. Renner 1980-7-28 2159 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  HSC33318  Galium glabrescens subsp. glabrescens William J. Ferlatte 1974-7-25 1585 Siskiyou Dorleska Summit; Grouse Ridge, 100 yds. S of summit 2104 Comment
  JEPS119371  Galium grayanum var. grayanum Dana York 2011-8-12 3042 Siskiyou Klamath National Forest, Marble Mountain. Comment
  JEPS83626  Galium serpenticum subsp. scotticum Marla Knight 1987-7-14 934 Siskiyou FS. Rd. 40N03 about 0.6 mi ne Hwy. 3 (above road at Hayes Gulch); Klamath National Forest, Scott River District, China Mt. SW 1350 Comment
  HSC61791  Galium triflorum Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  HSC65554  Galium triflorum Rich White 1977-7-21 134 Siskiyou Slope below outlet of Raspberry Lake 1512 Comment
  CAS-BOT-BC182156  Garrya fremontii Doris K. Kildale 1928-7-2 5352 Siskiyou Salmon Summit nr [?] Creek trail 1981 Comment
  CAS-BOT-BC182269  Garrya fremontii L. E. Smith 1912-7-1 s.n. Siskiyou Hornbrook Comment
  RSA238350  Gaultheria ovatifolia Frederick W. Oettinger 1969-7-14 1011 Siskiyou Common along the northern shoreline of Charmaine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  HSC69422  Gayophytum diffusum subsp. parviflorum John S. Palmer 1980-8-12 748 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  POM258615  Gayophytum heterozygum W. Bridge Cooke 1940-7-12 15350 Siskiyou Mount Shasta: Along the Sisson Southern Trail near the S.S.Tr. spring. 1829 Comment
  HSC92087  Gayophytum humile Jennifer Whipple 1976-7-9 1387 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC873666  Gayophytum humile A. A. Heller 1916-6-20 12409 Siskiyou Metcalf Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  UC1409240  Gayophytum humile Frederick W. Oettinger and R. F. Thorne 1969-8-5 1189 Siskiyou trail <from> English Lake to Abbots (w Siskiyou Co. high lake basins in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1706 Comment
  UC609349  Gentiana calycosa Eleanor Burks Hart 1938-8-16 899 Siskiyou moist hillside on e side of lake Scott Bar Quad, Boulder Pk., Lower Wright Lake 2103 Comment
  SEINET8586142  Gentiana plurisetosa G. D. Butler 1910-7-9 1709 Siskiyou Shackleford Creek. 1220 Comment
  SEINET8586810  Gentianella amarella M. J. Williams 1967-9-2 1157 Siskiyou Mount Eddy, Deadfall Lake Trail. 1951 Comment
  UC1024067  Gentianella amarella subsp. acuta Dorothy Parker 1953-9-18 607 Siskiyou near Cory Peak (along the banks of Cabin Meadow Creek); Siskiyou Mountains, Cabin Meadow Creek 1828 Comment
  UC61084  Geranium oreganum W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  RSA0029594  Geranium viscosissimum var. viscosissimum Geo. D. Butler 1910-6-6 1458 Siskiyou Quartz Valley. Comment
  CAS-BOT-BC459623  Geum macrophyllum H. A. Thomas; J. H. Thomas 1954-7-21 4436 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek. 1219 Comment
  RSA240078  Geum macrophyllum Frederick W. Oettinger 1969-8-9 1316 Siskiyou Along main N Fork trail between Five mile Stockgate and Abbott's upper cabin, Salmon Mts. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1357 Comment
  CAS-BOT-BC143587  Geum triflorum L. E. Smith 1913-5-18 229 Siskiyou Bray Comment
  RSA469330  Gilia capitata N. G. Sugihara 1977-5-28 73 Siskiyou hillside 3 miles up road toward Sawyers Bar from hgwy 96 south of Somes Bar. 1128 Comment
  JEPS84253  Gilia capitata subsp. capitata L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6307 Siskiyou just s state line (Indian Creek Road from Takilma to Happy Camp); rd from Takilma to Happy Camp Comment
  HSC30425  Gilia capitata subsp. capitata Frederick W. Oettinger 1968-8-16 545 Siskiyou High Lake Basin in the vicinity of English Peak, Marble Mtn. Wilderness Area: Red Hill N of Hancock Lake 1997 Comment
  HSC44649  Githopsis specularioides J. P. Smith 1973-5-5 6534 Siskiyou Scott Bar along the Scott River Comment
  UC163072  Glyceria elata Copeland 1903-9-8 3795 Siskiyou Mt. Eddy Comment
  HSC30666  Glyceria striata Frederick W. Oettinger 1969-9-4 1654 Siskiyou Salmon Mtns., Tobacco Lake. 1890 Comment
  HSC69215  Glyceria striata Maralyn A. Renner 1980-7-24 2087 Siskiyou Lily Pad Lake 1768 Comment
  SEINET6836555 Image available Glyceria striata A. A. Heller 1916-7-20 12465 Siskiyou Metcalf's Ranch, NE base of Mount Eddy 1158 Comment
  UC74051  Gnaphalium palustre T. H. Gilbert June 15 1899 - July 15 1899 Siskiyou Scott River Valley Comment
  RSA237523  Gnaphalium palustre Frederick W. Oettinger 1968-9-5 722 Siskiyou Southeast side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  CDA6064  Gnaphalium stramineum T. C. Fuller 1962-8-3 9502 Siskiyou Siskiyou Mountains; 200 yards up Raggedass Gulch, east of Beaver Creek, 5 miles north of the Klamath River. 0 Comment
  JEPS24787  Goodyera oblongifolia Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6795 Siskiyou 6.2 mi above and sw of junction with road to Gumboot Lake (along road to Castle Lake, in drainage of Scott Camp Creek) 1432 Comment
  UC1220392  Gypsophila paniculata var. paniculata T. C. Fuller 1963-8-27 11160 Siskiyou n limits Macdoel Comment
  CDA40631  Hackelia californica J. R. Grisham & D. H. Shaw 1978-6-17 s.n. Siskiyou Old Stage Road, south of Mount Shasta City. 0 Comment
  RSA12573  Hackelia californica C. B. Wolf 1934-7-6 6013 Siskiyou 0.5 mi. so. of Wagon Camp, So. slope of Mt. Shasta. 1524 Comment
  UC24816  Hackelia californica C. B. Bradley 1879-1 Siskiyou Comment
  HSC61913  Hackelia micrantha Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  POM215855  Hackelia micrantha L. C. Wheeler 1934-8-9 3077 Siskiyou Head of Jaynes Canyon. Siskiyou Mts. (Mt. Diablo Mer.) 1921 Comment
  UC637164  Hackelia setosa Edward Lee 1934-8-14 1121 Siskiyou w slope of Little Grayback 1706 Comment
  CAS-BOT-BC504602  Hastingsia alba J. W. Tilden 1946-6-16 s.n. Siskiyou South of Yreka Comment
  CAS-BOT-BC504605  Hastingsia alba W. R. Dudley 1893-6-1 s.n. Siskiyou Peter Klinks Meadow Comment
  CAS-BOT-BC504616  Hastingsia alba anonymous no date on the lable. s.n. Siskiyou Siskiyou Comment
  CAS-BOT-BC504620  Hastingsia alba John Thomas Howell 1937-7-26 13531 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  SEINET12044227  Hastingsia alba L. S. Rose 1937-1 37398 Siskiyou Weed 945 Comment
  CHSC118632  Hastingsia serpentinicola Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -007 Siskiyou Lower Parks Creek watershed, E Klamath Range; along Forest Service Road 42N19, 3 miles northwest of Stewart Springs; UTM NAD 83 Zone 10, 539582m E, 4586490m N. 1371 Comment
  CAS-BOT-BC302429  Hazardia whitneyi Alice Eastwood 1912-8-30 2053 Siskiyou Mount Eddy Comment
  CAS-BOT-BC123565  Hazardia whitneyi var. discoidea John Thomas Howell 1939-8-9 15236 Siskiyou Marble Mts. South of Sky High Valley 1981 Comment
  CAS-BOT-BC306352  Helenium L. E. Smith 1913-8-30 532 Siskiyou Mount Eddy Comment
  CAS-BOT-BC306738  Helenium bigelovii John Thomas Howell 1939-8-2 14860 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  SBBG8384  Helenium bigelovii H. and M. Dearing 1939-6-30 3756 Siskiyou rd from Callahan to Trinity Alps 1828 Comment
  CAS-BOT-BC306733  Helenium bigelovii Doris K. Kildale 1929-8-25 9028 Siskiyou White's Meadow, trail to Preston Peak 1371 Comment
  CAS-BOT-BC314840  Helianthella californica var. shastensis L. E. Smith 1913-5-16 s.n. Siskiyou Dunsmuir Comment
  JEPS74412  Helianthus annuus W. B. and V. G. Cooke 1974-8-20 49243 Siskiyou Everett Memorial Highway Mt. Shasta Comment
  CAS-BOT-BC305567  Helianthus bolanderi L. E. Smith 1913-8-13 515 Siskiyou Montague Comment
  CAS-BOT-BC305579  Helianthus bolanderi A. A. Heller 1916-9-1 12640 Siskiyou Near Yreka Comment
  HSC85688  Helianthus bolanderi J. P. Smith 1980-8-24 10350 Siskiyou Klamath National Forest; SR 3, 2.4 mi. from Scott Mtn. summit 1341 Comment
  CAS-BOT-BC305574  Helianthus bolanderi Ynez W. Winblad 1936-8-13 s.n. Siskiyou Dunsmuir Comment
  HSC44962  Hemizonella minima J. O. Sawyer 1978-6-16 3225 Siskiyou Marble Mtn. Wilderness Area, Upper Elk Valley 1951 Comment
  JEPS84315  Hemizonella minima L. R. Heckard with J. Hickman et al. 1986-7-17 6548 Siskiyou ca 1 mi ne Buckhorn 2100 Comment
  HSC22094  Heracleum maximum J. O. Sawyer 1969-8-1 1607 Siskiyou Behind Horseshoe Lake 1921 Comment
  HSC34116  Heracleum maximum J. O. Sawyer 1969-8-18 1990 Siskiyou S Sugar Lake Creek 1829 Comment
  HSC101743  Herniaria hirsuta subsp. hirsuta J. P. Smith, J. O. Sawyer 2010-5-2 12804 Siskiyou Oak Bottom River Access Road 175 Comment
  HSC67600  Hesperochiron pumilus J. P. Smith 1974-5-26 7380 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC32478  Hesperocyparis bakeri J. P. Smith 1973-5-5 6433 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  JEPS116583  Hesperolinon micranthum Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -018 Siskiyou North side of Mt. Shasta, south Hwy 97, along Forest Service Rd. 42N84 Mt. Shasta (Hotlum Fire area burned Feb 2006 ca. 4 mi NE of town of Weed.) 1249 Comment
  POM87184  Hesperolinon micranthum Geo. D. Butler 1910-6-19 1582 Siskiyou Goosenest foothills. 1220 Comment
  CAS-BOT-BC311089  Heterotheca oregona var. rudis Geo. D. Butler 1910-7-16 1790 Siskiyou Oro Fino Comment
  CAS-BOT-BC420702  Heuchera merriamii Ira L. Wiggins 1955-7-29 13581 Siskiyou Summit of ridge above Thompson Creek, trail to Caribou Lake 1999 Comment
  RSA0076250  Heuchera merriamii M. B. Dunkle 1945-7-19 9224 Siskiyou Klamath National Forest; Marble Mts. Comment
  HSC64836  Heuchera micrantha J. P. Smith, Steve Selva 1970-6-14 3880 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  CAS-BOT-BC319700  Hieracium albiflorum John Thomas Howell 1939-8-6 15102 Siskiyou Elk Mt., Marble Mts. Comment
  UC1408927  Hieracium albiflorum Frederick W. Oettinger 1969-9-4 1641 Siskiyou Hancock Lake, NW side Salmon Mountains, Marble Mountains Wilderness Area (vicinity of English Peak) 1950 Comment
  UC32774  Hieracium albiflorum Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou near Sisson; Region of the Upper Sacramento Comment
  HSC22257  Hieracium albiflorum J. O. Sawyer 1968-7-10 490 Siskiyou 1768 Comment
  CAS-BOT-BC318539  Hieracium greenei Wm. Bridge Cooke 1939-8-25 13919 Siskiyou Above MacBride Springs 1676 Comment
  HSC26559  Hieracium horridum J. P. Smith, J. O. Sawyer 1972-8-20 5751 Siskiyou Slope of Mt. Hoffman 2134 Comment
  UC481033  Hieracium nudicaule H. W. Furlong Sep 1901 Siskiyou Summit to Ager Comment
  UC897832  Hieracium nudicaule Lewis S. Rose 1937-7-25 37590 Siskiyou s slope Mt. Shasta 1767 Comment
  OBI49175  Hieracium scouleri Lewis S. Rose 1937-1-25 37590 Siskiyou S slope of Mt Shasta 1768 Comment
  UC134363  Hieracium scouleri unknown 1892-6-28 Siskiyou Jaynesville Comment
  CAS-BOT-BC312950  Hieracium triste Wm. Bridge Cooke 1938-8-18 11500 Siskiyou Mount Shasta. Horse Camp Slopes Comment
  CAS-BOT-BC320110  Hieracium triste J. M. Tucker 1950-7-23 1942 Siskiyou Panther Meadows, south slope of Mount Shasta 2407 Comment
  JEPS84048  Hieracium triste L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6422 Siskiyou cirque at head Hell's Canyon (e slope of mountain, ca 5 mi n of town of Seiad Valley); Kangaroo Mountain 1828 Comment
  UC1313023  Hieracium triste J. M. Tucker and L. K. Mann 1963-8-19 3783 Siskiyou headwaters of Canyon Creek; Marble Mountain Wilderness Area 1920 Comment
  UC922282  Hieracium triste Annie M. Alexander and Louise Kellogg 1949-7-29 5896 Siskiyou above Sky High Lake; Marble Mountains. Near Hiddenlake 1859 Comment
  HSC4856  Holodiscus discolor J. O. Sawyer 1968-9-9 652 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  HSC65497  Holodiscus discolor Rich White 1977-7-21 118 Siskiyou Slope below outlet of Raspberry Lake 1512 Comment
  UC1409360  Holodiscus discolor Frederick W. Oettinger 1969-8-19 1448 Siskiyou Ridge from Arrow Peak to King David Peak (High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  HSC40423  Holodiscus microphyllus J. O. Sawyer 1973-7-16 2541 Siskiyou Wooley Creek at junction with Bridge Creek. Comment
  CAS-BOT-BC150136  Holodiscus microphyllus var. glabrescens Geo. B. Grant 1902-9-1 583 Siskiyou Mt. Shasta Comment
  RSA273401  Holodiscus microphyllus var. glabrescens J. P. Smith 1972-8-18 5750 Siskiyou Medicine Lake Glass Flow. 2012 Comment
  SEINET515853  Holodiscus microphyllus var. glabrescens Vernon Oswald 1997-7-28 8773 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi. S of Medicine Lake. 1366 Comment
  JEPS73758  Hordeum brachyantherum Geo. D. Butler 1909-6-4 813 Siskiyou near Yreka Comment
  RSA611292  Horkelia daucifolia Louis C. Wheeler 1935-5-26 3528 Siskiyou Siskiyou Mts. 854 Comment
  RSA47631  Horkelia daucifolia Roxana S. Ferris, Laura Lorraine 1948-6-12 11709 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], East Fork of Scott River Comment
  CAS-BOT-BC205182  Horkelia hendersonii James R. Shevock; Barbara Williams 1987-8-17 11803 Siskiyou Klamath Ranges. Below Dry Lake Mountain Lookout site along forest road 40S01 2011 Comment
  JEPS47182  Horkelia tridentata W. L. Jepson 1940-6-30 20069 Siskiyou 6 mi e;On the McCloud River McCloud; McCloud River, Fowlers Camp, Forest Service Campground 944 Comment
  UC54359  Horkelia tridentata subsp. tridentata H. M. Hall and E. B. Babcock June 1903 4052 Siskiyou near Sisson; Sierra Nevada 1036 Comment
  CAS-BOT-BC312572  Hulsea nana R. H. Bohmannson 1926-7-1 s.n. Siskiyou Mt. Shasta Comment
  SEINET5518744  Hydrophyllum occidentale var. watsonii G. D. Butler 1910-1 1720 Siskiyou Marble Mountain 1676 Comment
  UCSB24984  Hydrophyllum tenuipes Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road; 22.2 miles north of Happy Camp 1402 Comment
  UC89971  Hymenoxys lemmonii Katharine Brandegee 1887-7-1 Siskiyou Montague Comment
  CHSC30332  Hypericum anagalloides M. S. Taylor 1980-7-8 3100 Siskiyou NW side of Castle Lake, along edge of lake in creek crossing. 1615 Comment
  SBBG4755  Hypericum anagalloides H. and M. Dearing 1939-7-1 3768 Siskiyou Etna Crk, W of Etna 1219 Comment
  UC61175  Hypericum anagalloides W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson Mt. Shasta, Sisson Comment
  CAS-BOT-BC400990  Hypericum anagalloides W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountains Comment
  UC420455  Hypericum formosum var. scouleri Milo S. Baker 1898-7-9 323 Siskiyou Tamarack Rd. near Mt. Shasta Summit Comment
  RSA15599  Hypericum perforatum C. B. Wolf 1927-8-27 1108 Siskiyou On the Klamath River, Happy Camp. Comment
  CAS-BOT-BC206832  Iliamna bakeri L. Constance 1940-7-12 15337 Siskiyou Along the Memorial Highway, Mount Shasta. 1524 Comment
  CAS-BOT-BC206835  Iliamna bakeri A. A. Heller 1938-7-12 15253 Siskiyou Ten miles northeast of Weed along U.S. Highway #97 Comment
  CHSC52811  Iliamna bakeri L. R. Heckard; L. Constance, R. Ornduff 1969-6-24 2290 Siskiyou Northwest side of Mt. Shasta along U.S. 97, 0.7 mile south of Bolam road junction. Comment
  UC643277  Iliamna bakeri W. Bridge Cooke 1940-7-12 15337 Siskiyou Mount Shasta, along the Memorial Highway Mount Shasta; , Memorial Highway 1463 Comment
  HSC58931  Ipomopsis aggregata Marvin Butler 1971-8-13 126 Siskiyou Near Cyclone Gap, close to the town of Cave Junction 1555 Comment
  CHSC71882  Ipomopsis congesta subsp. congesta Vernon H. Oswald; Lowell Ahart 1998-9-8 9612 Siskiyou Junction of USFS 3 and 24 ca. 2.5 mi west-southwest of Hambone Butte, ca. 30 air mi north of Burney. 1310 Comment
  HSC101402  Ipomopsis tenuifolia J. P. Smith, J. O. Sawyer, R. J. Cole 2010-8-7 13070 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2005 Comment
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Jul 13 2018
  SEINET12056881  Iris macrosiphon H. P. Chandler 1901-1 1570 Siskiyou near Marble Mountain 1829 Comment
  UC593520  Iris tenuissima E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2002 Siskiyou 1.5 mi w Mt. Shasta City (above Sulloway Creek, e and ne slope of spur of Rainbow Ridge); Rainbow Ridge 1188 Comment
  UC1094383  Isatis tinctoria R. C. Bacigalupi with S. Galen Smith 1957-6-27 5973 Siskiyou Grass Lake, along Highway 97 Grass Lake 1524 Comment
  HSC371  Isoetes bolanderi William J. Ferlatte 1966-8-3 281 Siskiyou Josephine Lake basin 1677 Comment
  HSC34263  Isoetes occidentalis J. P. Smith, J. O. Sawyer 1973-8-14 7316 Siskiyou Around Cliff Lake 1860 Comment
  HSC2322  Iva axillaris Geo. D. Butler 1910-9-12 1874 Siskiyou Near Lower Klamath Lake 1220 Comment
  UC165397  Iva axillaris subsp. robustior Geo. D. Butler 1910-9-12 1874 Siskiyou near lower Klamath Lake 1219 Comment
  CAS-BOT-BC135372  Ivesia gordonii Gilbert Muth 1966-7-22 381 Siskiyou Ridge of Marble Mountain - Marble Mts. 2194 Comment
  HSC85677  Ivesia pickeringii J. P. Smith 1980-8-24 10348 Siskiyou Klamath National Forest; SR 3, 2.4 mi. from Scott Mtn. summit 1341 Comment
  CAS-BOT-BC110015  Juncus Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Trinity Mountains. Mumbo Basin. 1828 Comment
  JEPS63826  Juncus balticus B. C. Goldsmith 1916-8-21 16 Siskiyou Gazelle Shasta Valley Comment
  HSC92708  Juncus balticus subsp. ater Jennifer Whipple 1977-8-6 2198 Siskiyou Dobkins Lake 2058 Comment
  JEPS66928  Juncus bufonius var. occidentalis B. C. Goldsmith 1916-9-9 21 a Siskiyou Klamath Hot Springs Klamath River Comment
  RSA22086  Juncus confusus J. T. Howell 1939-8-3 15005 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  UC1026903  Juncus effusus subsp. pacificus F. J. Hermann 1940-7-26 15357 Siskiyou along Black Butte Spring creek Mount Shasta 1219 Comment
  HSC77132  Juncus effusus subsp. pacificus L. P. Janeway 1983-7-2 363 Siskiyou SE side of Klamath River, 6 mi. E on China Creek Rd., near Happy Camp, near water's edge 335 Comment
  UC1618216  Juncus ensifolius Barbara Ertter 1990-7-14 9319 Siskiyou e side of mt. ca 4 air mi due w Mt. Shasta City (at streamlet near end of FR 41N53 ca 1 mi n of Morgan Meadows); Mt. Eddy 1676 Comment
  RSA238916  Juncus ensifolius Frederick W. Oettinger 1968-9-7 749 Siskiyou On north side of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  HSC77290  Juncus exiguus L. P. Janeway 1983-6-25 328 Siskiyou 350 m N of W Branch Guard Station 671 Comment
  JEPS121610  Juncus howellii Kendra Sikes 2011-9-13 Siskiyou Sundew Fen, Caldwell Lakes Basin, headwaters of Park Creek, east slope of China Mountain. Sloping wet meadow, over gabbro, SE aspsect. China Mountain quadrangle. CLS_1D Comment
  POM312822  Juncus nevadensis H. L. Mason 1948-7-18 13614 Siskiyou Grass Lake Comment
  POM111047  Juncus nevadensis var. nevadensis Geo D. Butler 1910-6-20 1594 Siskiyou Yreka. Comment
  UC1265316  Juncus occidentalis F. W. Oettinger 1968-9-10 812 Siskiyou just above Horse Range Lake; Salmon Mts. Comment
  JEPS66697  Juncus orthophyllus B. C. Goldsmith 1916-6-22 1 Siskiyou se of Mt. Shasta; McCloud Flat, Pilgrim Creek Comment
  HSC69159  Juncus orthophyllus Maralyn A. Renner 1980-8-4 2209 Siskiyou Flint Valley 1390 Comment
  JEPS63865  Juncus parryi Geo. B. Grant 1902-9-1 5117 Siskiyou Horse Camp Mount Shasta 2438 Comment
  RSA211377  Juncus parryi William J. Ferlatte 1967-8-21 1065 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake. Trinity Alps. 2287 Comment
  CAS-BOT-BC279922  Juncus trilocularis Peter F. Zika 2009-8-16 24598 Siskiyou Forest Service Road 46N04, Cascade Range Highlands (CaRH) 1550 Comment
  POM110775  Juncus trilocularis Geo D. Butler 1910-5-28 1422 Siskiyou Shasta Valley. Comment
  LA6569  Juniperus communis var. saxatilis Wm. Bridge Cooke; 1939-7-26 13743 Siskiyou above Panther Creek Meadows 2590 Comment
  CAS-BOT-BC81240  Juniperus occidentalis Elmer I. Applegate 1907-9-1 3307 Siskiyou Thrall, Shasta Valley, near Klamath River Comment
  HSC1276  Juniperus occidentalis R. C. Wunner 1965-6-18 207 Siskiyou Indian Well Campground, Lava Beds National Monument 1433 Comment
  UC1037460  Juniperus occidentalis Douglas Barbe 1955-6-28 19 Siskiyou 0.6 mi n Callahan (50 yds from the road in a dry gulch); Klamath Mountains 1036 Comment
  UC726032  Juniperus occidentalis A. A. Heller 1938-7-12 15262 Siskiyou about 2 mi n Bray Comment
  JEPS107377  Juniperus occidentalis var. occidentalis Lowell Ahart, John Dittes 2005-6-9 12021 Siskiyou Small low hill, north fence boundary, on the east side of a poor rock fence, about 350 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  POM252951  Juniperus occidentalis var. occidentalis A. A. Heller 1938-7-12 15262 Siskiyou 2 miles north of Bray Comment
  CAS-BOT-BC56352  Kalmia microphylla subsp. microphylla John Thomas Howell 1937-7-24 13410 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC56361  Kalmia microphylla subsp. microphylla Doris K. Kildale 1928-8-19 6511 Siskiyou English Lake, head of north fork of Salmon River Comment
  HSC91307  Kalmia polifolia Jennifer Whipple 1977-8-5 2172 Siskiyou Mt. Eddy, Wagon Creek drainage near Wagon Creek 2287 Comment
  UCR208051  Kalmia polifolia L. C. Wheeler 1934-8-5 3037 Siskiyou Siskiyou Mountains, Mud Springs, Middlehell Creek 1677 Comment
  RSA659518  Kalmia polifolia subsp. microphylla Gary D. Wallace 1990-7-1 2955 Siskiyou Trinity Mountains: SW of Shasta City, Cedar Basin Research Area. 1828 Comment
  UC1037376  Kalmia polifolia subsp. microphylla Douglas Barbe 1955-7-6 125 Siskiyou se shore of Taylor Lake Taylor Lake; Klamath Mountains, Salmon Mountains, Taylor Lake 1950 Comment
  UCR39769  Kalmia polifolia subsp. microphylla J. O. Sawyer 1968-7-2 366 Siskiyou Upper drainage of Joe Creek 1738 Comment
  HSC29286  Keckiella lemmonii Frederick W. Oettinger, R. F. Thorne 1969-8-5 1211 Siskiyou Marble Mtn. Wilderness Area, hot area on English Lake Trail above Willow Spring 1707 Comment
  UC160458  Keckiella lemmonii I. J. Condit 1911-7-13 Siskiyou Dunsmuir Comment
  JEPS12462  Kelloggia galioides W. L. Jepson 1940-6-28 20055 Siskiyou McCloud 975 Comment
  JEPS95018  Kelloggia galioides Vernon Oswald and Lowell Ahart 1997-7-28 8795 Siskiyou se of Medicine Lake (at Paynes Springs, on floor of Paynes Creek Canyon n of the campground); Paynes Springs, Paynes Creek Canyon 1981 Comment
  SDSU5603  Kochia scoparia D. F. Howe 1966-8-27 4308 Siskiyou Tule Lake. 1311 Comment
  CAS-BOT-BC274223  Koeleria Melissa A. Berry 1957-7-11 s.n. Siskiyou Parrott Mill Road, near Callahan 975 Comment
  SEINET212850 Image available Koeleria macrantha L. E. Detling 1959-6-7 8213 Siskiyou Brush Cr near Klamath River 716 Comment
  CAS-BOT-BC340375  Kyhosia bolanderi Wm. Bridge Cooke 1939-8-22 13878 Siskiyou Mount Shasta. Below the Wagon Camp Sedge Swamp Comment
  HSC43857  Lagophylla ramosissima Maralyn O'Meara 1974-5-25 367 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC68228  Lagophylla ramosissima J. P. Smith, J. O. Sawyer 1971-9-18 4828 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  JEPS38986  Lagophylla ramosissima W. L. Jepson 1940-6-22 19968 Siskiyou Hutton Creek 792 Comment
  JEPS94783  Lagophylla ramosissima subsp. ramosissima Vernon H. Oswald and Lowell Ahart 1998-8-3 9408 Siskiyou 11.5 mi w of Gazelle (USFS 41N03 1.0 mi e of its junction with Gazelle-Callahan Road) 1524 Comment
  CAS-BOT-BC204932  Lathyrus A. M. Vollmer; L. Beane 1951-6-2 57 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway Comment
  HSC62307  Lathyrus delnorticus Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  CAS-BOT-BC204981  Lathyrus jepsonii var. californicus Alice Eastwood 1912-7-21 1279 Siskiyou Sisson Comment
  SEINET5327317  Lathyrus nevadensis G. Butler 1910-6-19 1588 Siskiyou Gonewest foothills 1524 Comment
  JEPS55346  Lathyrus nevadensis var. nevadensis W. L. Jepson 1907-7-6 2853 Siskiyou near Marble Mt.; Cudahy Valley Comment
  HSC36669  Lathyrus polyphyllus Brent Whitely 1975-7-1 121 Siskiyou 671 Comment
  UCR101153  Lepidium campestre L. C. Wheeler 1959-7-21 7588 Siskiyou Salmon & Marble Mtns. region, Crawford Creek, c. 0.5 mi. upstream from Guard Station Comment
  CAS-BOT-BC88926  Lepidium densiflorum var. densiflorum Geo. D. Butler 1910-6-27 1612 Siskiyou Yreka Creek. Comment
  UC375301  Lepidium densiflorum var. macrocarpum Geo. D. Butler 1909-7-14 130 Siskiyou near Yreka Comment
  SEINET10767893 Image available Lepidium dictyotum var. acutidens Edward L. Greene 1876-4-28 Greene 725 Siskiyou Collected near Yreka. Comment
  CAS-BOT-BC60147  Lepidium virginicum var. menziesii Carl B. Wolf 1927-8-27 1147 Siskiyou On the Klamath River 10 miles above the Salmon River. Comment
  SEINET8368700  Leptodactylon californicum Frank Callahan, Frank Lang & John Erwin 2007-6-17 Siskiyou Cottonwood Peak. 1516 Comment
  JEPS2687 Image available Leptodactylon pungens W. L. Jepson 1940-6-23 19994 Siskiyou (e of) Mayten; Little Shasta Valley Comment
  UC726822  Leptodactylon pungens A. A. Heller 1938-7-12 15254 Siskiyou on U.S. Highway #97, sixteen mi n Weed Comment
  RSA48218  Leptosiphon bolanderi Roxana S. Ferris, Laura Lorraine 1948-6-12 11758 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  CHSC40747  Leptosiphon ciliatus A. A. Heller 1938-7-12 15247 Siskiyou Five miles north of Weed on U.S. Highway #97. Comment
  HSC36772  Leptosiphon harknessii J. P. Smith 1974-5-25 7416 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  RSA529966  Leptosiphon harknessii D. W. Taylor 1987-6-23 9050 Siskiyou Modoc Plateau: Mud Well 1394 Comment
  HSC29271  Leptosiphon nuttallii Frederick W. Oettinger 1969-8-23 1516 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1402 Comment
  HSC32259  Leptosiphon nuttallii J. O. Sawyer 1970-7-4 2328 Siskiyou 1585 Comment
  CAS-BOT-BC341895  Lessingia nemaclada A. A. Heller 1916-7-23 12494 Siskiyou At Dusmuir 640 Comment
  HSC4868  Lewisia cotyledon J. O. Sawyer 1968-9-9 665 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  POM117377  Lewisia cotyledon Geo. D. Butler 1910-6-5 1527 Siskiyou Log Lake Comment
  HSC82171  Lewisia cotyledon var. cotyledon T. Jimerson 1985-7-13 Siskiyou Around Devil's Punchbowl 1677 Comment
  JEPS84275  Lewisia leeana L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6412 Siskiyou ca 5 mi n town of Seiad Valley (e slope of Kangaroo Mountain, cirque at head of Hell's Canyon); Kangaroo Mountain, Hell's Canyon 1828 Comment
  UC635337  Lewisia leeana Dorothy Tebbe 1930-7-22 13 Siskiyou Crater Lake, Mount Eddy Mount Eddy, Crater Lake Comment
  RSA211271  Lewisia leeana William J. Ferlatte 1966-7-7 208 Siskiyou Caribou Basin. 1982 Comment
  CAS-BOT-BC444306  Lewisia pygmaea Wm. Bridge Cooke 1939-7-13 13668 Siskiyou Mount Shasta. In The South Gate. Comment
  HSC45147  Lewisia triphylla J. O. Sawyer, E. Cope 1977-6-20 2961 Siskiyou Behind Devil's Punchbowl 1829 Comment
  UC1137018  Leymus cinereus August L. Hormay 1932-7-15 Siskiyou Weed Valley Comment
  RSA105444  Leymus condensatus Milo S. Baker 1955-6-27 13087 Siskiyou Klamath Mountains; Highway 99 4 mi. S of Gazelle 915 Comment
  RSA591654  Leymus condensatus L. C. Wheeler 1934-9-22 3292 Siskiyou Walker, Klamath River; Siskiyou Mts. 518 Comment
  UCD65622  Leymus triticoides Geo. D. Butler 1908-7-3 472 Siskiyou Dry banks near Yreka. Comment
  HSC27109  Ligusticum californicum Carl W. Mize 1972-9-24 126 Siskiyou Along logging road 816 Comment
  CAS-BOT-BC482454  Ligusticum grayi Dana York 2011-8-13 3064 Siskiyou Marble Mountain Wilderness, Klamath National Forest, slopes of Black Marble Mountain 2110 Comment
  HSC22269  Ligusticum grayi J. O. Sawyer 1969-8-4 1859 Siskiyou Slope SW of Sugar Lake 2195 Comment
  JEPS96247  Ligusticum grayi Barbara Ertter 1990-7-14 9342 Siskiyou ca. 4 airmiles w. Mt. Shasta City (Wagon Creek on e. side of Mt. Eddy, where several forks join before steep drop); Mt. Eddy, Wagon Creek 1828 Comment
  POM82381  Ligusticum grayi Geo. D. Butler 1908-8-3 464 Siskiyou Log Lake, Shackleford Creek Comment
  RSA453855  Ligusticum grayi L. C. Wheeler 1934-8-9 3090 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 1981 Comment
  CAS-BOT-BC509363  Lilium kelleyanum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 7 Siskiyou On bottom of canyon and along banks of Cow Creek about 10 miles NE of Sawyer's Bar, on road to Etna. 975 Comment
  CAS-BOT-BC509368  Lilium kelleyanum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 7 Siskiyou On bottom of canyon and along banks of Cow Creek about 10 miles NE of Sawyer's Bar, on road to Etna. 975 Comment
  SEINET3887240  Lilium pardalinum Alv Dan Youngberg 1964-6-14 69 Siskiyou Humbolt Meridian.; 0 427 Comment
  CAS-BOT-BC133090  Lilium washingtonianum subsp. washingtonianum Albert Vollmer 1949-7-5 10 -A Siskiyou Base of Mount Shasta Comment
  HSC68673  Lilium washingtonianum subsp. washingtonianum Maralyn A. Renner 1980-7-4 1492 Siskiyou Trail from Doe Flat to Trout Camp 1098 Comment
  JEPS121399  Limnanthes alba Peter F. Zika 2012-5-14 25854 Siskiyou I-5 southbound, near exit 730 for central Dunsmuir Comment
  UCSB29033  Linanthus ciliatus var. ciliatus C. Hardham 1961-6-30 8013 Siskiyou NEAR WHITE MOUNTAIN 1828 Comment
  CAS-BOT-BC240387  Linnaea borealis subsp. longiflora Doris K. Kildale 1928-7-3 5441 Siskiyou Little North Fork Salmon River near mouth Comment
  CAS-BOT-BC416405  Linnaea borealis subsp. longiflora H. A. Thomas; J. H. Thomas 1954-7-23 4462 Siskiyou Salmon-Trinity Mts., about 6 miles SE of Cecilville. Vicinity of Blind Horse Creek. 1036 Comment
  RSA789789  Linum lewisii var. lewisii Rebecca Wenk 2005-7-15 205 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. Top of pass between Yellow Rose and Dorleska mines. 2134 Comment
  RSA610729  Lipocarpha occidentalis L. C. Wheeler 1935-7-20 3670 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 Comment
  JEPS64492  Listera convallarioides W. L. Jepson Jul 1894 21281 Siskiyou Sisson Comment
  UC845693  Listera convallarioides Alice Eastwood 1912-7-17 1173 Siskiyou Sisson Comment
  CDA30933  Lithocarpus densiflorus var. densiflorus M. Beyers, G. F. Hrusa 2010-8-18 691 Siskiyou Siskiyou Mountains, Klamath Ranges: O'Brien-Happy Camp Road; 1 mile above road to Kelly Lake, +/- 2 miles above West Branch Campground. 807 Comment
  RSA44061  Lithocarpus densiflorus var. echinoides W. Bridge Cooke 1941-9-16 16321 Siskiyou Along the Castle Lake Road. Comment
  JEPS47687  Lithophragma glabrum J. W. Kisling 1910-1 Siskiyou Edgewood Comment
  RSA298362  Lithophragma heterophyllum James Payne Smith 1973-5-5 6417 Siskiyou Along Cook and Green Pass road. Comment
  CAS-BOT-BC269143  Lolium perenne A. A. Heller 1915-7-18 12125 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  HSC69021  Lomatium macrocarpum Maralyn A. Renner 1980-7-24 2013 Siskiyou Lily Pad Lake 1768 Comment
  RSA237411  Lomatium macrocarpum Frederick W. Oettinger 1969-7-11 986 Siskiyou Near summit of Little Medicine Mountain (north of Hancock Lake). Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  UC54311  Lomatium nudicaule H. M. Hall and E. B. Babcock June, 1903 4053 Siskiyou 18th crossing Sacramento R. Mt. Shasta; Sierra Nevada Mts., , Sacramento R. 1280 Comment
  CDA38336  Lomatium nudicaule G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-21 2786 Siskiyou West of Motel 6, south of town, north of Greenhorn Creek Road, Yreka. Comment
  RSA105399  Lomatium nudicaule G. D. Barbe 1955-7-5 112 Siskiyou 1 mile north of Etna on the middle valley road 884 Comment
  CAS-BOT-BC217789  Lomatium peckianum L. E. Smith 1913-6-29 422 Siskiyou Mt. Eddy Comment
  JEPS28834  Lomatium peckianum Lincoln Constance and Emil DiFulvio 1962-4-17 3751 Siskiyou 5.2 mi. s. Yreka 792 Comment
  CDA38461  Lomatium peckianum Ball May 1943 s.n. Siskiyou Yreka. 0 Comment
  SEINET13761959  Lomatium utriculatum R. R. Halse 2016-5-29 9724 Siskiyou Along Hilt Road, E of Hilt. 902 Comment
  HSC62310  Lonicera ciliosa Al Hobart 1968-6-25 Siskiyou Youngs Valley. Comment
  RSA455709  Lonicera ciliosa Edwin Kline 1920-6-24 s.n. Siskiyou Siskiyou Mts. Comment
  UC164423  Lonicera ciliosa Geo. D. Butler 1908-6-29 998 Siskiyou Cherry Creek Comment
  JEPS74560  Lonicera conjugialis W. J. Ferlatte 1966-7-7 191 Siskiyou Caribou Basin Trinity Alps 1981 Comment
  RSA238542  Lonicera conjugialis Frederick W. Oettinger 1967-8-3 231 Siskiyou West side of Little Hancock Lake; Hancock Lake Basin. The Salmon Mtns. High lake basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2043 Comment
  UC630399  Lonicera conjugialis Annetta Carter 1939-8-21 1478 Siskiyou 12 mi sw of Etna (above se end of Taylor Lake); Salmon Mountains 2072 Comment
  UCD137307  Lonicera conjugialis J. M. Tucker 1963-7-5 3703 Siskiyou Blake's Fork of South Russian Creek (a tributary of the Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1615 Comment
  CAS-BOT-BC240852  Lonicera interrupta Ellsworth Bethel 1923-6-12 s.n. Siskiyou Mc Cloud [McCloud] Comment
  RSA68924  Lotus crassifolius A. E. Culbertson 1943-7-12 33 Siskiyou Castle Lake, in a north facing cirque with a abrupt 1000 backwall; 14 miles SW of Mt. Shasta on N side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  SEINET3131480  Lotus crassifolius var. crassifolius G. D. Butler 1910-6-6 1452 Siskiyou Quartz Valley Comment
  UC375400  Lotus crassifolius var. crassifolius Geo. D. Butler 1908-6-29 403 Siskiyou upper end of Quartz Valley Quartz Valley Comment
  JEPS55517  Lotus humistratus Geo. D. Butler 1909-6-23 911 Siskiyou along road to Goosenest Mtn. Comment
  UC144518  Lotus nevadensis var. nevadensis A. A. Heller 1905-6-8 8000 Siskiyou Yreka Comment
  UC585219  Lotus nevadensis var. nevadensis E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1892 Siskiyou about 2 mi s Yreka 822 Comment
  RSA273325  Lotus unifoliolatus J. P. Smith, J. O. Sawyer 1972-9-14 5805 Siskiyou Miners Creek Road just south of French Creek Road between Callahan and Etna 915 Comment
  CAS-BOT-BC140207  Luetkea pectinata Louis C. Wheeler 1934-8-14 3121 Siskiyou 1 mile west White Mt., Siskiyou Mts. 1920 Comment
  CAS-BOT-BC140213  Luetkea pectinata G. J. Muth 1969-8-10 1330 Siskiyou Ridge w. of Boulder Peak 2346 Comment
  CAS-BOT-BC140249  Luetkea pectinata Ira L. Wiggins 1955-7-29 13571 Siskiyou Pass at SW end of Caribou L., Salmon-Trinity Alps Primitive Area 2072 Comment
  RSA13848  Luetkea pectinata Louis C. Wheeler 1934-8-9 3089 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 1982 Comment
  UC860312  Luetkea pectinata John Thomas Howell 1939-8-2 14872 Siskiyou Spirit Lake; Marble Mts. Comment
  UC922373  Luetkea pectinata Annie M. Alexander and Louise Kellogg 1949-7-22 5838 Siskiyou on trail to Kings Castle; Marble Mountains, Paradise Lake 1996 Comment
  JEPS25850  Luina hypoleuca Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7480 Siskiyou 4 mi above Oak Bottom guard station (or 5 mi above and se of Somes Bar); Gorge of Salmon River 274 Comment
  CAS-BOT-BC342564  Luina hypoleuca Philip A. Munz 1952-7-1 17858 Siskiyou Klamath River, 6 miles north of Orleans 182 Comment
  JEPS85697  Lupinus albicaulis Geo. D. Butler 1909-6-23 913 Siskiyou Goose Nest Comment
  SBBG68978  Lupinus albicaulis A. A. Heller 1927-8-1 14436 Siskiyou Sacramento river a short distance above Shasta Springs Comment
  UC1481282  Lupinus albicaulis var. shastensis D. B. Dunn 1971-8-15 18141 Siskiyou on Hwy 89, 1/2 mi e McCloud Ranger Station; e of McCloud Ranger Station Comment
  UC157016  Lupinus albicaulis var. shastensis Geo. D. Butler 1909-6-23 913 Siskiyou foothills Goosenest; Goosenest foothills Comment
  RSA60787  Lupinus albicaulis var. shastensis Dorothy Parker 1948-8-10 180 Siskiyou Forks of Etna Creek, Salmon Mountain. 1177 Comment
  CAS-BOT-BC195970  Lupinus albifrons var. albifrons Charles Piper Smith 1947-5-13 47270 Siskiyou 9.2 miles east of Weed. Highway 97 Comment
  SEINET10491224  Lupinus albifrons var. albifrons Paul Gallian, Billy Joe Cox 1971-6-9 Gallian 687 Siskiyou 11 miles n of weed, on us hwy 97; decomposed lava, sandy on slight s-e-facing Slope; assoc. With juniper and artemisia, purshia and arctostaphylos 1250 Comment
  CHSC900  Lupinus albifrons var. collinus V. Holt 1937-5-5 Siskiyou Below Dunsmuir. 609 Comment
  CAS-BOT-BC196324  Lupinus albifrons var. flumineus Charles Piper Smith 1947-6-18 47514 Siskiyou Highway 97. 0.5 miles east of Whitney Creek Bridge Comment
  SEINET10871209  Lupinus albifrons var. flumineus David B. Dunn, Billy Joe Cox 1971-6-9 Dunn 17949 Siskiyou 11 mile n of weed, on us hwy 97; decomposed lava, sandy, on a se facing slope; Assoc. With juniper, artemisia, purshia and arctostaphylos 1250 Comment
  CHSC69078  Lupinus angustiflorus Vernon Oswald; Lowell Ahart 1997-7-28 8796 Siskiyou Bullseye Lake southeast of Medicine Lake. 2057 Comment
  UCD106686  Lupinus argenteus Freed W. Hoffman 1948-7-13 2632 Siskiyou Butte Creek road, 4.7 miles north of Tennant. Comment
  JEPS65034  Lupinus breweri W. L. Jepson 1907-7-6 2856 Siskiyou ridge above Cuddihy Valley Marble Mt. region Comment
  CAS-BOT-BC215189  Lupinus croceus Roxana S. Ferris; Laura Lorraine 1948-6-12 11810 Siskiyou At Mule Creek Crossing of Scott Mountain Road 1524 Comment
  HSC81669  Lupinus croceus Thomas W. Nelson, Jane P. Nelson 1980-7-17 6070 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  HSC92403  Lupinus croceus Jennifer Whipple 1976-6-30 1206 Siskiyou SE slope of Mount Eddy draining into the N fork of the Sacramento River 2256 Comment
  HSC23655  Lupinus croceus J. O. Sawyer 1969-6-12 906 Siskiyou On C.C.C. Rd. N of Wildcat Creek 1463 Comment
  RSA105436  Lupinus croceus G. D. Barbe 1955-7-26 288 Siskiyou Among dry rocks at a small pond on the N slope of Scott Mtn. 1982 Comment
  RSA94035  Lupinus croceus var. pilosellus R. C. Barneby 1954-5-17 11533 Siskiyou Scott Mountains, 5 miles above Callahan 1250 Comment
  HSC27342  Lupinus lapidicola J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5703 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  SEINET12902682 Image available Lupinus lapidicola A. A. Heller 1920-1 13422 Siskiyou easterly slope of Mt. Eddy in gravel at the lakelet above the head of Wagon creek. 2438 Comment
  UC201974  Lupinus latifolius var. viridifolius Annie M. Alexander, Louise Kellogg 1911-7-16 245 Siskiyou S Fk Salmon R South Fork Salmon River; S Fk Salmon R 1524 Comment
  HSC59016  Lupinus lepidus Marvin Butler 1971-7-20 178 Siskiyou Near El Capitan Lake, close to Cave Junction 1464 Comment
  UC609334  Lupinus lepidus var. lobbii Eleanor Burks Hart 1938-8-18 934 Siskiyou e slope Boulder Peak; e slope Boulder Peak 2529 Comment
  CHSC63607  Lupinus lepidus var. sellulus Vernon H. Oswald; Lowell Ahart 1994-8-10 6450 Siskiyou Pilgrim Creek Rd. (FS13) at Mudd Creek, 2.7 mi N of Hwy. 89, ca. 4.5 mi (air) NE of McCloud. 1097 Comment
  JEPS44094  Lupinus lepidus var. sellulus W. B. and V. G. Cooke 1965-7-12 35189 Siskiyou Bolam Road Mt. Shasta; , Bolam Road Comment
  UC54420  Lupinus lepidus var. sellulus H. M. Hall and E. B. Babcock June, 1903 4084 Siskiyou Mount Shasta; Sierra Nevada Mountains, Mount Shasta, Shasta Valley 1158 Comment
  UC563132  Lupinus lepidus var. sellulus Elmer I. Applegate 1923-8-17 3846 Siskiyou w end Medicine Lake; w end of Medicine Lake 1981 Comment
  UC725689  Lupinus lepidus var. sellulus A. A. Heller 1916-7-21 12481 Siskiyou near Upton 1097 Comment
  SBBG3658  Lupinus leucophyllus H. and M. Dearing 1939-6-30 3751 Siskiyou near Etna 1219 Comment
  SEINET8056947  Lupinus microcarpus G. D. Butler 1910-5-21 1373 Siskiyou Klamath hills. Comment
  UC156986  Lupinus nanus Geo. D. Butler April 17, 1910 - April 30, 1910 1190 Siskiyou Yreka; dry hill Yreka Comment
  RSA237952  Lupinus polyphyllus subsp. polyphyllus Frederick W. Oettinger 1969-7-31 1111 Siskiyou Salmon Mountains, the High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1799 Comment
  UC454946  Lupinus polyphyllus var. polyphyllus I. J. Condit 1911-7-22 Siskiyou Sisson Comment
  POM228985  Lupinus sellulus subsp. sellulus Louis C. Wheeler 1935-6-13 3582 Siskiyou N side Scott River, Scott Bar Mts. 823 Comment
  SEINET10490225  Lupinus sellulus var. artulus Thomas W. Nelson, Jane P. Nelson 1979-6-15 Nelson 4805 Siskiyou China mtn quad. Serpentine along road to carmen lake .6 mi from jct with state Route 3. 1646 Comment
  HSC65585  Lupinus sellulus var. lobbii Donald W. Miles 1979-7-27 26 Siskiyou Big Sand Flat, 2 mi. E of Harris Springs Rd., 10 mi. NE of Bartle. 1393 Comment
  SEINET10490890  Lupinus sellulus var. sellulus Smith 1929-7-17 Smith 4415 Siskiyou Edgewood. Comment
  HSC30721  Luzula comosa Frederick W. Oettinger 1969-8-16 1398 Siskiyou Wiregrass Meadow below English Lake 1677 Comment
  RSA14322  Luzula comosa var. laxa Elmer I. Applegate 1895-5-28 753 a Siskiyou Sisson, Strawberry Valley. Comment
  HSC632  Luzula parviflora William J. Ferlatte 1967-7-26 748 Siskiyou Caribou Basin, ridge W of Big Caribou Lake 2134 Comment
  RSA211368  Luzula parviflora William J. Ferlatte 1967-7-26 748 Siskiyou Caribou Basin. Ridge west of Big Caribou Lake. Steep slope with talus and solid rock outcrops. Trinity Alps. 2134 Comment
  RSA238897  Luzula parviflora Frederick W. Oettinger 1968-9-9 800 Siskiyou Along stream that runs from Tom s Upper Pond to Tom s Lower Pond. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  UCD77847  Luzula subcongesta Robert E. Preston 2001-6-23 1554 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W ne 1/4 of se 1/4 Section 14 1828 Comment
  SEINET3155226  Lythrum adsurgens G. D. Butler 1910-8-3 1811 Siskiyou Yreka Creek Comment
  SEINET2121893  Machaeranthera canescens M. L. Carson 1968-12-8 1293 Siskiyou US Highway 97, 1.4 mi N of Macdoel and 8.5 mi S of Dorris, between the highway and the railroad 1250 Comment
  CAS-BOT-BC27563  Machaeranthera canescens var. shastensis Edward Lee Greene 1876-1-1 s.n. Siskiyou unspecified Comment
  POM52120  Machaeranthera canescens var. shastensis George B. Grant 1902-9-7 5111 Siskiyou Mt. Shasta 2439 Comment
  UC830843  Madia elegans A. A. Heller 1916-8-24 12556 Siskiyou near Sisson 1074 Comment
  CAS-BOT-BC344010  Madia elegans Louis C. Wheeler 1934-6-28 2809 Siskiyou Beaver Creek at West Fork, Siskiyou Mts. 914 Comment
  OBI53786  Madia elegans David J. Keil 1992-7-20 23472 Siskiyou W side of Scott Valley, 4.9 mi N of Etna alog CA Rte 3 875 Comment
  SD76182  Madia elegans subsp. densifolia Helen V. Witham 1969-10-7 572 Siskiyou Scott River, 10 miles west of Fort Jones 700 Comment
  RSA240067  Madia elegans subsp. elegans Frederick W. Oettinger 1969-8-10 1328 Siskiyou Fort Jones [east-northeast of the Marble Mountains Wilderness Area] Comment
  CHSC75680  Madia exigua Vernon H. Oswald; Lowell Ahart 1999-7-5 9794 Siskiyou Gazelle-Callahan Hwy. 9.0 mi west of Gazelle. Roadside. 914 Comment
  CAS-BOT-BC343436  Madia gracilis Wm. Bridge Cooke 1938-7-15 11174 Siskiyou Mt. Shasta 1524 Comment
  CAS-BOT-BC343426  Madia gracilis Wm. F. Herrin 1919-6-16 s.n. Siskiyou Shasta Springs Comment
  OBI58649  Madia gracilis David J. Keil 1992-7-20 23493 Siskiyou Klamath NF, W of Fort Jones. Along Forest Rd 44N45, 3.9 mi S of Scott river rd Comment
  RSA237501  Madia gracilis subsp. gracilis Frederick W. Oettinger 1969-8-18 1433 Siskiyou Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  RSA452627  Mahonia aquifolium L. C. Wheeler 1934-6-15 2716 Siskiyou Hungry Creek, Siskiyou Mts. 1280 Comment
  CAS-BOT-BC512759  Maianthemum racemosum subsp. amplexicaule Doris K. Kildale 1928-7-2 5381 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  HSC30412  Maianthemum racemosum subsp. amplexicaule Frederick W. Oettinger 1968-8-7 438 Siskiyou Marble Mtn. Wilderness Area, between granite boulders, E side of Hancock Lake 1936 Comment
  CAS-BOT-BC514191  Maianthemum stellatum Clarence R. Quick 1959-6-19 59 -16 Siskiyou 6.7 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  UC92229  Malacothrix clevelandii T. S. Brandegee July 1887 Siskiyou Sisson's Comment
  CHSC72239  Malva neglecta Vernon H. Oswald; Lowell Ahart 1998-9-16 9643 Siskiyou Hwy. 161 at the Lower Klamath NWR 5.9 mi east of Hwy. 97. 1243 Comment
  CHSC91361  Medicago lupulina Lowell Ahart; John Dittes 2005-6-10 12063 Siskiyou Along a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CHSC83261  Melica aristata L. P. Janeway 2002-7-13 7642 Siskiyou High Cascade Range. Along a logging spur road 0.2 km southeast of Road 13 (Pilgrim Creek Road) 9.0 kmk northeast of the Military Pass Road (Road 19); 0.2 km north of Edison Creek. 1347 Comment
  CAS-BOT-BC271214  Melica bulbosa K. T. Stillman 1976-7-15 248 Siskiyou Marble Mountain Wilderness Area Comment
  UCD87557  Melica harfordii R. Tofsrud 1948-8-1 s.n. Siskiyou : Near summit of road from Happy Camp to O'Brien, Oregon. Comment
  HSC58893  Melica subulata Marvin Butler 1971-7-21 117 Siskiyou Near Bell Echo Camp, close to town of Cave Junction. 1433 Comment
  HSC73344  Melica subulata Gail Newton 1980-6-20 457 Siskiyou Near Bald Mtn. 1097 Comment
  JEPS84000  Melica subulata L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6386 Siskiyou ca 1.5 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1900 Comment
  JEPS85757  Melica subulata Roy E. Buck and Robert A. Price 1988-8-9 1071 Siskiyou ca 1.2 air km wnw Cub Spring (e of Forest Serv Rd 39N56, 28 air km e of McCloud, w side of n-draining intermittent stream) 1280 Comment
  UC163998  Mentha spicata Geo. D. Butler 1908-7-17 177 Siskiyou near Yreka; near Yreka Comment
  UCR143376  Mentha spicata L. C. Wheeler 1934-9-22 3301 Siskiyou Siskiyou Mtns, Walker, Klamath River 518 Comment
  SBBG14878  Mentzelia A. I. Richardson 1961-6-8 16 Siskiyou Big Springs Rd N of jct with Hwy 97 914 Comment
  UCR143059  Mentzelia dispersa L. C. Wheeler 1934-7-5 2884 Siskiyou Siskiyou Mtns., Hungry Creek 976 Comment
  CAS-BOT-BC428608  Micranthes bryophora Ira L. Wiggins 1955-7-27 13547 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC428734  Micranthes californica G. Muth 1966-7-31 475 Siskiyou Marble Valley Comment
  CAS-BOT-BC429151  Micranthes odontoloma Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  UC166151  Micropus californicus var. californicus Geo. D. Butler 1910-5-7 1297 Siskiyou Yreka Comment
  CAS-BOT-BC322662  Microseris laciniata K. L. Chambers 1969-5-26 2933 Siskiyou Salmon River, between Somes Bar and Forks of the Salmon, 1.3 miles east of Lewis Creek Comment
  JEPS13221  Microseris laciniata subsp. laciniata W. L. Jepson 1940-7-3 20103 Siskiyou large meadow 5 mi se Bartle; Big Bear Flat 1219 Comment
  HSC77029  Microseris nutans K. T. Stillman 1976-6-25 48 Siskiyou Marble Mtn. Wilderness Area, SW facing slope. 1921 Comment
  POM35777  Microseris nutans Geo D. Butler 1909-6-22 958 Siskiyou Goosenest Foothills 1524 Comment
  RSA68882  Microseris nutans A. E. Culbertson 1943-7-1 74 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 air miles of its headwaters to the west 1657 Comment
  HSC30212  Microsteris gracilis William J. Ferlatte 1968-6-8 1135 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  RSA237549  Mimulus alsinoides Frederick W. Oettinger 1969-7-10 959 Siskiyou Cliff above southwest end of Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1921 Comment
  HSC22489  Mimulus breweri J. O. Sawyer 1969-7-3 1048 Siskiyou Above Lipstick Lake 1951 Comment
  POM213853  Mimulus layneae G. C. Kimber 1934-6-9 33 Siskiyou Ney Creek 1/8 mi from junction with Sacramento River. 732 Comment
  JEPS74556  Mimulus lewisii W. J. Ferlatte 1966-8-17 386 Siskiyou Caribou Basin Trinity Alps 1981 Comment
  HSC22289  Mimulus lewisii J. O. Sawyer 1968-7-10 502 Siskiyou Above Sugar Lake 2012 Comment
  SEINET515851  Mimulus mephiticus Vernon Oswald 1997-7-28 8774 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi. S of Medicine Lake. 1366 Comment
  JEPS84017  Mimulus nanus var. nanus L. R. Heckard with J. Hickman et al. 1986-7-17 6502 Siskiyou e Condrey Mt.; Alex Hole 1950 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
  RSA59506  Mimulus nanus var. nanus E. K. Balls 1950-5-16 14708 Siskiyou Caldwell Butte, east slope. Lava beds Nat'l Monument. 1646 Comment
  RSA183683  Mimulus primuloides Gilbert Muth 1965-8-3 156 Siskiyou Marble Valley, Marble Mtns. Comment
  RSA233700  Mimulus primuloides Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38969 Siskiyou S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  HSC96402  Mimulus primuloides var. primuloides Gordon Leppig, J. Kalt 1996-7-9 365 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  HSC90998  Mimulus tilingii Jennifer Whipple 1976-7-24 1529 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC49831  Minuartia douglasii Maralyn O'Meara 1974-5-25 433 Siskiyou On Road 8, 2.4 miles W of junction with Hwy. 3 915 Comment
  CHSC31054  Minuartia nuttallii subsp. gregaria M. S. Taylor 1980-6-22 3170 Siskiyou On e side of 40N08, ca. 0.3 mi n of its jct with Hwy 3 at Scott Mt Summit. 1615 Comment
  HSC69347  Minuartia nuttallii subsp. gregaria Maralyn A. Renner 1980-8-21 2592 Siskiyou SW of trail from Leroy Mine to Sunrise Basin near ridge 2287 Comment
  SEINET10874551 Image available Minuartia stolonifera Thomas W. Nelson, Jane P. Nelson 1985-6-19 Nelson 7839 Siskiyou T40N, R8W, Sec. 24. Along south side of State Route 3 3.1 miles north of Scott Mountain Pass. Rocky openings in Jeffrey pine woodland on serpentine. 1219 Comment
  UC165274  Mitella diversifolia Geo. D. Butler 1910-5-23 1391 Siskiyou Humbug Mountain 1219 Comment
  HSC61890  Mitella pentandra Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  RSA238325  Mitella pentandra Frederick W. Oettinger 1969-7-10 954 Siskiyou Along inlet brook to Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1799 Comment
  CAS-BOT-BC433076  Mitella trifida John Thomas Howell 1937-7-22 13261 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC86450  Mitella trifida D. K. Imper 1987-6-6 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  JEPS49690  Mitella trifida Harley P. Chandler June, 1901 1555 a Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  RSA48003  Mitella trifida Roxana S. Ferris 1948-6-12 11783 Siskiyou Small tributary of Etna Creek below Mill Creek Bridge. 1067 Comment
  HSC58927  Monardella glauca Marvin Butler 1971-8-20 170 Siskiyou Near El Capitan, close to the town of Cave Junction 1585 Comment
  HSC70605  Monardella glauca J. O. Sawyer, R. J. Cole 1981-7-2 4147 Siskiyou Near Scott Mountain Campground 1585 Comment
  RSA749250  Monardella glauca K. M. Meyer, A. Townesmith 2007-8-2 186 Siskiyou Klamath National Forest, 10.1 mi. on National Forest Rd. 70, off Hwy 97 toward Oregon. 1933 Comment
  CAS-BOT-BC221809  Monardella odoratissima Alice Eastwood 1912-7-19 1233 Siskiyou Mount Shasta Comment
  SBBG25901  Monardella odoratissima D. Myrick 1966-8-10 1533 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  UC456092  Monardella odoratissima subsp. glauca I. J. Condit 1911-7-5 Siskiyou Mt. Bradley near Shasta Retreat Comment
  UC61653  Monardella odoratissima subsp. glauca Geo. B. Grant September 1902 5131 Siskiyou Horse Camp Mount Shasta 2438 Comment
  CAS-BOT-BC220365  Monardella odoratissima subsp. pallida Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  CAS-BOT-BC222169  Monardella odoratissima subsp. pallida Marion Ownbey; Fred G. Meyer 1940-7-5 2182 Siskiyou On East side of Mt. Shasta Comment
  UC1483504  Monardella odoratissima subsp. pallida J. Sawyer and J. Cole 1980-7-21 3836 Siskiyou North of FS Road 44N01 near intersection with road to Lava Camp; Klamath National Forest, Medicine Make Quad. 1676 Comment
  UC705539  Monardella odoratissima subsp. pallida Marion Ownbey, Fred G. Meyer 1940-7-5 2182 Siskiyou On east side of Mt. Shasta Comment
  POM69089  Monardella purpurea Geo. D. Butler 1910-5-23 1393 Siskiyou Humbug Mtn. 1220 Comment
  CAS-BOT-BC220265  Monardella sheltonii Carl B. Wolf 1927-8-27 1129 Siskiyou On the Klamath River, 7 mi. below Happy Camp Comment
  RSA0022783  Monardella villosa subsp. subserrata E. B. Copeland 1903-7-6 3497 Siskiyou Hornbrook. Comment
  CAS-BOT-BC444814  Montia diffusa Alice Eastwood; John Thomas Howell 1937-6-26 5057 Siskiyou Near Fork of Salmon Comment
  HSC36421  Montia parvifolia J. O. Sawyer 1968-7-10 476 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  JEPS127642  Montia parvifolia Jurriaan M. de Vos 2014-7-10 314 Siskiyou Klamath NF.Ca. 0.4 miles ENE along Forest Road 1055 from Cook and Green Pass. Comment
  UC637038  Montia parvifolia Edward Lee 1934-8-13 1054 Siskiyou 4 mi n of Happy Camp (Indian Creek, Klamath National Forest); Klamath National Forest, Indian Creek 411 Comment
  UC454265  Montia parvifolia I. J. Condit 1911-7-13 Siskiyou Shasta Retreat, Cal. Comment
  CAS-BOT-BC262674  Muhlenbergia asperifolia David D. Keck 1949-7-19 6344 Siskiyou 2 mi. S. of Grenada, along R.R. right-of-way 777 Comment
  CAS-BOT-BC262679  Muhlenbergia asperifolia Roxana S. Ferris; Laura Lorraine 1941-8-11 10502 Siskiyou Grass Lake Station, on U. S. Highway 97 1554 Comment
  UC167215  Muhlenbergia filiformis Geo. D. Butler 1910-7-13 1768 Siskiyou wet meadow Shackleford Creek 1219 Comment
  CAS-BOT-BC267040  Muhlenbergia filiformis Copeland 1903-9-5 s.n. Siskiyou Igerna Comment
  RSA268994  Muhlenbergia jonesii J. R. Reeder, C. G. Reeder 1972-7-24 5807 Siskiyou 1.5 miles SSE of Bartle 1220 Comment
  HSC100332  Muhlenbergia richardsonis J. P. Smith 2011-7-15 13300 Siskiyou Off Tennant Road at a large, open borrow pit 1417 Comment
  JEPS101568  Myosotis laxa Dean W. Taylor 1999-8-12 17321 Siskiyou headwaters of South Fork Hungry Creek, 5 miles Southwest from Hilt 1402 Comment
  RSA695876  Myosurus minimus D. W. Taylor 1995-6-1 14963 Siskiyou 2 miles SE of Montague, Shasta Valley Wildlife Management area, Little Shasta River 854 Comment
  RSA614437  Myosurus minimus K. L. Chambers 1962-4-21 2100 Siskiyou Hwy 99, 5.6 miles S of the center of Yreka Comment
  UC648274  Navarretia capillaris John Thomas Howell 1939-8-10 15258 Siskiyou Sky High Valley , Sky High Valley (Marble Mts.) Comment
  JEPS70280  Navarretia divaricata W. L. Jepson 1940-7-3 20096 Siskiyou Bartle, e part of Siskiyou County Bartle 1188 Comment
  HSC86530  Navarretia divaricata D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, N of Haypress Meadows 1372 Comment
  HSC78222  Navarretia divaricata var. divaricata L. P. Janeway 1983-8-28 646 Siskiyou Poker Flat 1529 Comment
  UC23429  Navarretia leptalea subsp. leptalea F. W. Morse July, 1886 Siskiyou at Shasta Comment
  UC201125  Navarretia sinistra Dr. E. B. Copeland 1903-7-8 3560 Siskiyou Klamathon Comment
  JEPS70476  Navarretia tagetina W. L. Jepson 1940-6-22 19966 Siskiyou Hutton Creek near Hornbrook; Hutton Creek 792 Comment
  POM216191  Nemophila heterophylla Louis C. Wheeler 1935-6-1 3538 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Yreka Creek. 854 Comment
  CAS-BOT-BC60573  Noccaea fendleri subsp. glauca A. A. Heller 1915-7-15 12083 Siskiyou Mount Eddy. 2072 Comment
  HSC64808  Noccaea fendleri subsp. glauca J. P. Smith 1976-5-21 8765 Siskiyou Klamath National Forest, FS Rd. 40N08, 6.9 mi. from its junction with Hwy. 3 1524 Comment
  UC1299298  Nothocalais alpestris Freed W. Hoffman 1950-7-13 3557 Siskiyou Baldy High Peak Comment
  CAS-BOT-BC349923  Nothocalais troximoides E. K. Balls 1950-5-17 14715 Siskiyou 1.5 mi. NW. Schonchin Butte, (along road) Lava Beds Nat'l Monument 1402 Comment
  HSC29331  Nuphar polysepala Frederick W. Oettinger 1968-9-3 672 Siskiyou Marble Mtn. Wilderness Area, N end of Horse Range Lake 1829 Comment
  CAS-BOT-BC140349  Oemleria cerasiformis Doris K. Kildale 1929-4-27 7506 Siskiyou Cecilville Comment
  UCD106834  Oenothera cespitosa Geo C. Wood 1940-4-29 s.n. Siskiyou Butte Valley. Comment
  CDA38151  Oenothera deltoides subsp. piperi T. C. Fuller 1960-6-3 4647 Siskiyou Mt. Hebron Road & Highway 97, 2 miles west of Mt. Hebron. 0 Comment
  RSA60643  Oenothera deltoides subsp. piperi Dorothy Parker 1948-6-22 27 Siskiyou Between Dorris and Macdoel, Butte Valley 1220 Comment
  JEPS48972  Olsynium douglasii var. douglasii J. W. Kisling 1910-1 Siskiyou 2 mi nw Weed; Edgewood Comment
  CAS-BOT-BC349938  Onopordum acanthium W. E. Huse; T. C. Fuller 1959-7-13 2748 Siskiyou Jack Crawford Ranch, Tulelake Comment
  OBI5240  Onopordum tauricum W. T. Parsons & T. C. Fuller, T. C. Fuller 1960-7-26 4878 Siskiyou Around an old barnyard, F. Voelker ranch, W edge of Meiss Lake Basin, just S of Sam's Neck, ca 15 mi SW of Dorris Comment
  UC1045244  Orobanche fasciculata W. Bridge Cooke 1940-6-14 15131 Siskiyou Mount Shasta, near the source of McBride Springs. Comment
  HSC22174  Orobanche uniflora J. O. Sawyer 1969-7-24 1498 Siskiyou SW of Sugar Lake 1890 Comment
  RSA0059264  Orobanche uniflora subsp. occidentalis Albert M. Vollmer, Lawrence Beane 1951-5-31 12 A Siskiyou On scree near highway, Scott Mountain. Comment
  HSC146  Orthilia secunda William J. Ferlatte 1966-8-3 269 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's. 1524 Comment
  UC618901  Orthilia secunda W. B. Cooke 1938-8-5 11457 Siskiyou Sisson Southern Trail. 1828 Comment
  UCD117706  Orthilia secunda Dean William Taylor 1972-7-3 1589 Siskiyou At Cook and Green Pass. 1371 Comment
  RSA0083198  Orthilia secunda William J. Ferlatte 1966-8-3 269 Siskiyou Along the south fork of the Salmon River between the campground and Carter's. 1524 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
  RSA237570  Orthocarpus cuspidatus subsp. copelandii Frederick W. Oettinger 1968-8-11 477 Siskiyou East of Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  UC1313001  Orthocarpus cuspidatus subsp. copelandii J. M. Tucker and L. K. Mann 1963-8-17 3741 Siskiyou beside trail to top of ridge to s from Red Rock Valley (Marble Mountain Wilderness ARea); Marble Mountain Wilderness Area, trail fr Red Rock Valley 1859 Comment
  UC535779  Orthocarpus cuspidatus subsp. copelandii Elmer I. Applegate 1923-9-7 3955 Siskiyou Doggett Ridge Klamath Canyon (Klamath Canyon); Siskiyou Mts., , Doggett Ridge Comment
  UCD123234  Orthocarpus cuspidatus subsp. copelandii J. M. Tucker; L. K Mann 1963-8-17 3741 Siskiyou beside trail from Red Rock Valley to top of ridge to south, and near top of ridge, Marble Mountain Wilderness Area. 1859 Comment
  JEPS10885  Orthocarpus imbricatus I. J. Condit 1911-7-15 Siskiyou McCloud Comment
  SJSU3582  Orthocarpus imbricatus M. D. Fleschner 1965-7-14 140 Siskiyou c. 3 mi SE of Bartle on State Rte 89 1219 Comment
  UC1114764  Orthocarpus imbricatus W. Bridge Cooke 1956-7-19 30309 Siskiyou below Wagon Camp Mount Shasta (Mount Shasta); , below Wagon Camp Comment
  HSC22167  Osmorhiza berteroi J. O. Sawyer 1969-7-1 965 Siskiyou NE facing lower slope above Paynes Lake Creek 1829 Comment
  UC1408820  Oxyria digyna Frederick W. Oettinger 1969-8-25 1543 Siskiyou 400 yards from English Peak trail (ne facing slope above Tanner Peak trail, high lake basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2133 Comment
  SD88391  Ozomelis trifida Darley F. Howe 1972-7-5 4875 Siskiyou 0.6 miles south of Oregon state line on road to Happy Camp 1707 Comment
  JEPS69748  Packera cana W. B. and V. G. Cooke 1972-6-30 45421 Siskiyou near Upper Cougar Road (Military Pass Road); Mt. Shasta 1524 Comment
  UC1037456  Packera streptanthifolia Milo S. Baker 1955-6-26 13076 Siskiyou 4 mi s Gazelle (Hwy 99) 914 Comment
  HSC103015  Panicum acuminatum var. fasciculatum J. P. Smith 2014-6-6 13872 Siskiyou Along State Route 96 at the Portuguese Creek Access to the Klamath River 416 Comment
  UCSC004588  Panicum capillare Randall Morgan 2004-5-31 4177 Siskiyou Castle Crags State Park, Sacramento River Comment
  CHSC78534  Parnassia cirrata var. cirrata Vernon H. Oswald 2000-8-28 9954 Siskiyou East border of Kangaroo Lake. 1853 Comment
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May 8 2007
  JEPS104438  Parnassia cirrata var. intermedia Martin J. Lenz 2003-9-19 43 Siskiyou approx. 2000 ft SW of Panorama Road underpass, Dunsmuir 778 Comment
  HSC2391  Parnassia fimbriata W. J. Ferlatte 1966-8-19 435 Siskiyou Trinity Alps, Kidd Creek Trail. 1890 Comment
  CAS-BOT-BC175612  Parnassia palustris Annetta Carter 1939-8-21 1480 Siskiyou Southeast end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2026 Comment
  CHSC84741  Parnassia palustris L. P. Janeway 2003-8-9 7961 Siskiyou Klamath Ranges. Siskiyou Mountains between Cook and Green Pass and Red Butte; spring at head of uppermost fork of Seiad Creek. Meadow. 1713 Comment
  HSC91998  Parnassia palustris Jennifer Whipple 1976-8-20 1721 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  CAS-BOT-BC202836  Paxistima myrsinites C. B. Wolf 1930-10-22 1751 Siskiyou 3 mi. so. of Mt. Shasta City 1066 Comment
  HSC73219  Paxistima myrsinites Gail Newton 1980-6-20 503 Siskiyou Near Bald Mtn. 1097 Comment
  OBI17366  Paxistima myrsinites H. E. McMinn 1931-6-27 2514 Siskiyou Shasta City Comment
  RSA264988  Paxistima myrsinites G. L. Clifton 1975-7-28 5737 Siskiyou Near Cook and Green Pass near Seiad Valley. 1646 Comment
  UC1071573  Paxistima myrsinites H. S. Yates 1936-6-21 5828 Siskiyou n. base Wintoon butte; Dunsmuir Quad. Comment
  RSA0025075  Pectocarya penicillata L. C. Wheeler 1934-6-7 2654 Siskiyou Siskiyou Mountains: Hungry Creek Lookout. 1502 Comment
  SEINET10549151  Pedicularis attollens Mary Susan Taylor 1980-7-22 Taylor 3172 Siskiyou T40N R7W ne sec 32, China Mt quad. Klamath Natl Forest, along creek and meadow, ca. 0.1 mi SW of Big Carmen Lake, on S side of rd 40N08, ca. 2.3 mi NE of its jct with Hwy 3 at Scott Mt summit. 1737 Comment
  HSC66236  Pedicularis howellii Maralyn A. Renner 1980-7-23 1879 Siskiyou Pacific Crest Trail, ridge 0.8 mi. E of Cook and Green Pass 1707 Comment
  RSA425342  Pedicularis racemosa M. B. Dunkle 1944-8-25 9175 Siskiyou Siskiyou National Forest. Coastal Northern California. Comment
  CHSC30238  Pellaea brachyptera M. S. Taylor; W. Overton 1980-7-8 3090 Siskiyou On n side of 40N43 at point in road, ca. 2.4 mi w of its jct with 40N26, at w end of Lake Siskiyou, w of Mt. Shasta City. 1341 Comment
  UC572810  Pellaea brachyptera unknown 1937-7-23 9110 Siskiyou Mt Shasta Mt Shasta 1219 Comment
  JEPS125  Penstemon anguineus Harley P. Chandler June, 1901 1698 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges, near Marble Mountain 1524 Comment
  JEPS23801  Penstemon anguineus Rimo Bacigalupi with Mr. and Mrs. Van Deventer and Don Liles 1959-7-9 7259 Siskiyou Poker Flat 1536 Comment
  JEPS80582  Penstemon anguineus Gilbert Muth 1965-7-30 140 Siskiyou Marble Valley Marble Mt. Wilderness Area, Marble Valley 1792 Comment
  UC164354  Penstemon anguineus Geo. D. Butler 1910-7-12 1761 Siskiyou Shackleford Creek 1219 Comment
  UC922561  Penstemon anguineus Annie M. Alexander and Louise Kellogg 1948-9-9 5597 A Siskiyou trail to Taylor Lake Siskiyou Mountains, trail to Taylor Lake Comment
  POM42969  Penstemon anguineus Geo. D. Butler 1910-7-9 1733 Siskiyou Upper Campbell Lake, Shackleford Creek. 1372 Comment
  RSA309612  Penstemon cinereus Walter Wisura 1983-9-16 3939 Siskiyou 8.3 miles W of Macdoel along Hwy 97 Comment
  UC1187077  Penstemon cinereus David D. Keck 1940-6-13 5174 Siskiyou 9 mi s Macdoel (on U.S. 97 between Dorris and Weed); s of Macdoel, btw Dorris and Weed 1463 Comment
  CAS-BOT-BC265366  Penstemon davidsonii var. davidsonii David D. Keck 1938-8-18 11493 Siskiyou Horse Camp, not too near springs, around the mountain 2286 Comment
  HSC19130  Penstemon deustus J. O. Sawyer 1969-6-12 871 Siskiyou SE upper slope above Sugar Creek 1707 Comment
  RSA238831  Penstemon deustus Frederick W. Oettinger 1967-8-3 238 Siskiyou Northeast side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1941 Comment
  RSA285578  Penstemon deustus subsp. deustus D. C. Michener 1980-8-2 3764 Siskiyou Klamath Mtns. Along CA 96 along the Klamath River between Swillup and Coon Creeks,ca 17 miles S of Happy Camp. 305 Comment
  CHSC99720  Penstemon deustus var. suffrutescens L. P. Janeway 2008-7-24 9489 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 1.3 air km east of Condrey Mountain. A little over the edge, southeast-facing slope, next to rock outcrop. 2050 Comment
  NY600753  Penstemon gracilentus A. A. Heller 1920-8-12 13514 Siskiyou Horse Camp, Mt. Shasta Comment
  RSA739774  Penstemon gracilentus L. P. Janeway, B. Castro 2007-7-28 9129 Siskiyou High Cascade Range, Medicine Lake Highlands, just N of the N edge of Medicine Lake Glass Flow. 2109 Comment
  UC454776  Penstemon gracilentus I. J. Condit 1911-7-22 Siskiyou trail to Horse Camp Mt. Shasta, trail to Horse Camp 2438 Comment
  UC727354  Penstemon gracilentus Elmer I. Applegate 1923-8-17 3831 Siskiyou about 10 mi nw Medicine Lake; nw of Medicine Lake Comment
  NY601606  Penstemon heterodoxus var. shastensis F. W. Pennell 1940-7-20 26201 Siskiyou Route 89, west of Bartle 1158.2 Comment
  UCSB6167  Penstemon humilis Phillips, Priscilla 1960-6-13 Siskiyou Rt. 97; 11 miles north of Weed; Lower slopes of Mt. Shasta 1097 Comment
  HSC67796  Penstemon laetus subsp. sagittatus J. O. Sawyer, J. Cole 1980-7-22 4000 Siskiyou Little Horse Peak 1720 Comment
  HSC97132  Penstemon laetus subsp. sagittatus L. Ahart, John Dittes 2005-6-9 12029 Siskiyou Hill, S of rock fence, 100 yds. NE of where cattle water in Shasta River, 3/5 mi. S of Hwy. 99/97 Cutoff, 2.5 mi. ESE of Grenada 775 Comment
  RSA407899  Penstemon laetus subsp. sagittatus M. V. Hood 1940-08 s.n. Siskiyou Mt Hebron, near Mt Shasta. 1220 Comment
  NY604559  Penstemon laetus var. sagittatus A. A. Heller 1905-6-9 8009 Siskiyou Montague Comment
  UC54634  Penstemon laetus var. sagittatus H. M. Hall and E. B. Babcock June, 1903 4030 Siskiyou Sacramento River near Dunsmuir; Upper Sacramento Valley, Sacramento River 609 Comment
  RSA151968  Penstemon laetus var. sagittatus R. C. Bacigalupi, L. R. Heckard, G. Bacigalupi, Ruth D. Sanderson 1952-6-18 3741 Siskiyou Near Panther Creek Guard Station, along Little Shasta River, 17 mi E of Montague on forest road to Mt. Hebron. 1280 Comment
  RSA339999  Penstemon laetus var. sagittatus Noel Holmgren, Patricia K. Holmgren 1980-7-1 9448 Siskiyou US Hwy 97, 8.7 km (5.4 miles) NE of Weed. 1100 Comment
  POM14640  Penstemon newberryi subsp. newberryi E. B. Copeland 1903-7-17 3510 Siskiyou Mt. Shasta 1829 Comment
  CAS-BOT-BC239341  Penstemon newberryi var. berryi W. R. Dudley 1893-6-1 s.n. Siskiyou Castle Crag [Crags], near Mt. Shasta Comment
  UC144614  Penstemon newberryi var. newberryi A. A. Heller 1905-6-16 8048 Siskiyou near Sisson; near Sisson Comment
  CAS-BOT-BC94464  Penstemon parvulus R. C. Wenk 2005-7-19 322 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
  POM256008  Penstemon parvulus Marion Ownbey, Ruth P. Ownbey 1938-7-19 1749 Siskiyou 2.5 miles northwest of Dry Lake Lookout, summit of the Siskiyou Mtns. Comment
  UC1238922  Penstemon parvulus Freed W. Hoffman 1950-7-13 3490 Siskiyou Baldy Mountain North Coast Ranges, Baldy Mountain (western Siskiyou County) 1828 Comment
  JEPS23805  Penstemon parvulus Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7314 Siskiyou at ridge-top marking Del Norte-Siskiyou County line which is followed by jeep road between Poker Flat and Twin Valley; Siskiyou Mts., bet Poker Flat and Twin Valley 1664 Comment
  POM43010  Penstemon procerus subsp. brachyanthus Geo. D. Butler 1910-7-10 1739 Siskiyou Upper Campbell Lake, Skackleford Creek. 1372 Comment
  NY639268  Penstemon procerus var. formosus A. A. Heller 1920-7-9 13427 Siskiyou Near the summit of Mt. Eddy Comment
  RSA463106  Penstemon shastensis 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
  UC585120  Penstemon speciosus E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1882 Siskiyou about 2 mi s Sheep Rock (n slope of Mt. Shasta on highway from Bray to Weed); n slopes Mt. Shasta 1249 Comment
  HSC75652  Penstemon speciosus J. O. Sawyer, R. J. Cole 1980-7-22 3868 Siskiyou 0.5 mi. S of Lava Camp 1829 Comment
  UC1001181  Pentagramma triangularis subsp. triangularis Dorothy Parker 1953-5-24 532 Siskiyou Scott River; Siskiyou Mts, Scott River 681 Comment
  UC1428123  Perideridia gairdneri subsp. borealis James E. Eckenwalder 1972-9-4 886 Siskiyou headwaters of Clear Creek Young's Valley (Young's Valley, Siskiyou Mountains (S.S.)); Siskiyou Mountains, headwaters Clear Creek Comment
  HSC29411  Perideridia howellii Frederick W. Oettinger, R. F. Thorne 1969-8-8 1309 Siskiyou Marble Mountain Wilderness Area, W of English Lake above main campsite 1799 Comment
  HSC65426  Perideridia leptocarpa D. Reed 1980-8-19 306 Siskiyou Below switchback in FS 46N64 Comment
  UC618605  Perideridia parishii subsp. latifolia W. Bridge Cooke 1938-7-22 11313 Siskiyou Wagon Camp Mount Shasta 1737 Comment
  CAS-BOT-BC423352  Peritoma platycarpa A. A. Heller 1927-8-2 14440 Siskiyou North end of Shasta Valley, near the Klamath River Comment
  SEINET5845188  Peritoma platycarpa G. D. Butler 1910-5-11 1335 Siskiyou Shasta Valley Comment
  CAS-BOT-BC413492  Persicaria amphibia Elmer I. Applegate 1923-8-19 3892 Siskiyou Medicine Lake Comment
  UC165414  Petasites frigidus var. palmatus Geo. D. Butler 1909-4-11 627 Siskiyou Shasta Springs Comment
  JEPS81095  Phacelia bolanderi D. H. Norris 1970-5-23 12236 Siskiyou Ishi Pishi Bridge Klamath River (near Somes Bar) Comment
  CHSC30213  Phacelia cookei B. Williams 1980-6-10 Siskiyou On both sides of Military Pass Rd, ca. 4 mi s of Klamath Falls Hwy, ca. 4 mi n of Mt. Shasta. 1371 Comment
  HSC23000  Phacelia corymbosa William J. Ferlatte 1966-8-4 306 Siskiyou Dorleska summit 2134 Comment
  UC901813  Phacelia corymbosa L. Constance 1950-7-16 3361 Siskiyou summit Little Grayback Peak 1859 Comment
  UC910006  Phacelia corymbosa A. A. Heller 1916-7-22 12486 Siskiyou e side Mt. Eddy Comment
  UC1228351  Phacelia corymbosa L. R. Heckard 1956-8-7 826 Siskiyou about 2 mi s railway station (above Sacramento River); Dunsmuir 731 Comment
  POM311047  Phacelia greenei Lincoln Constance, JF Davidson, J. M. Tucker 1947-5-17 s.n. Siskiyou Summit of NW spur of Scott Mountain. 1829 Comment
  UCR40022  Phacelia greenei C. Houseman, M. A. Strull, L. Linstedt 1984-5-26 68 Siskiyou (none given on label) 701 Comment
  POM127632  Phacelia hastata subsp. hastata A. M. Alexander, Elizabeth A. Kellogg 1911-8-12 309 Siskiyou Near Toad Lake. 2073 Comment
  JEPS22202  Phacelia heterophylla subsp. virgata Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6783 Siskiyou just below McBride Springs (lower slopes of mt.); Mt. Shasta 1493 Comment
  UC673229  Phacelia heterophylla subsp. virgata Lincoln Constance and Reed C. Rollins 1942-5-14 2927 Siskiyou 4 mi n Yreka; Shasta River 762 Comment
  UC718170  Phacelia heterophylla subsp. virgata Carl B. Wolf 1934-7-6 5982 Siskiyou 1/4 mi e Mt. Shasta City (sw slope of mt.); Mt. Shasta 1097 Comment
  UC1481196  Phacelia linearis L. Constance 1980-6-3 3897 Siskiyou junction of old Military Pass rd and U. S. Hwy. 97 (n of Mt. Shasta) 1341 Comment
  UC666548  Phacelia linearis G. L. Stebbins Jr. and A. A. Beetle 1942-5-31 3252 Siskiyou 5 mi w Gazelle (crest of ridge) Comment
  UC923142  Phacelia mutabilis Freed W. Hoffman 1950-7-13 3336 Siskiyou Clear Creek trail from Baldy Lookout North Coast Ranges (w Siskiyou Co.) 1524 Comment
  HSC75096  Phacelia pringlei J. P. Smith, Thomas W. Nelson 1979-6-15 10118 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  HSC60791  Phacelia procera Ruby Van Deventer 1960-7-8 Siskiyou Bell Echo (Bell Echo Camp), in Youngs Valley Comment
  UC163994  Phacelia procera Geo. D. Butler 1908-8-9 14 Siskiyou Marble Valley Comment
  JEPS101552  Phacelia sericea var. ciliosa Dean W. Taylor 1996-7-26 15843 Siskiyou Scott Mountains; Crater Lake, in cirque above upper lake (about 10 air miles west of Weed); Klamath National Forest 2316 Comment
  RSA0057591  Philadelphus lewisii Geo. D. Butler 1910-6-12 1558 Siskiyou Yreka Creek. Comment
  HSC61881  Phleum pratense Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  RSA238835  Phlox adsurgens Frederick W. Oettinger 1968-9-9 808 Siskiyou Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  SDSU3230  Phlox adsurgens D. F. Howe 1972-7-5 4876 Siskiyou 0.6 mile south if Oregon State line on orad to Happy Camp. 1707 Comment
  UCD118237  Phlox adsurgens G. L. Stebbins Jr.; A. A. Beetle 1942-6-1 3268 Siskiyou 15 miles north of Happy Camp, above Indian Creek. 1219 Comment
  UC643264  Phlox caespitosa unknown 1940-6-6 15050 Siskiyou along the Castle Lake Road Comment
  CHSC3383  Phlox diffusa Alice L. Stoll 1966-5-14 202 Siskiyou 7 miles S.E. of Callahan. Alongside the Old Oregon Stage Road. 1219 Comment
  HSC69275  Phlox diffusa Maralyn A. Renner 1980-9-1 2681 Siskiyou Bear Mtn. 1936 Comment
  SBBG30601  Phlox diffusa D. Myrick 1968-6-27 2048 Siskiyou Yellow Rose Mine above Big Flat, head of Coffee Crk; Trinity Alps 1828 Comment
  SD114161  Phlox diffusa Darley F. Howe 1979-6-26 5110 Siskiyou Military Pass Road, 19 miles east of Highway 97. 1768 Comment
  UC1409302  Phlox diffusa Frederick W. Oettinger 1968-8-19 586 Siskiyou English Peak Gap Salmon Mountains, Marble Mountain Wilderness Area 2133 Comment
  RSA469927  Phlox diffusa subsp. diffusa J. P. Smith 1973-5-5 6424 Siskiyou Along Cook and Green Pass road. Comment
  SEINET5732304 Image available Phlox rigida Sandy Holloway 1963-1 23 Siskiyou Humbug Road, 1.5 miles west of Hawkinsville.; Hawkinsville 914 Comment
  UC23965  Phlox speciosa subsp. nitida C. B. Bradley 1879-1 Siskiyou Comment
  HSC36942  Phlox speciosa subsp. occidentalis J. P. Smith 1974-5-26 7585 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  CAS-BOT-BC135026  Phoradendron bolleanum C. F. Baker 1903-7-7 3542 Siskiyou Hornbrook Comment
  CHSC91372  Phoradendron densum Lowell Ahart; John Dittes 2005-6-10 12068 Siskiyou South of a poor dirt road, about 90 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
  RSA716053  Phoradendron densum L. Ahart, John Dittes 2005-6-10 12068 Siskiyou South of a poor dirt road, about 90 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Hwy 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  JEPS42562  Phoradendron juniperinum Geo. M. Pendleton 1917-10-3 5992 Siskiyou Sisson Comment
  CAS-BOT-BC56500  Phyllodoce empetriformis John Thomas Howell 1937-7-24 13396 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  RSA142618  Phyllodoce empetriformis P. A. Munz 1960-8-22 14187 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
  UC618899  Phyllodoce empetriformis W. Bridge Cooke 1938-7-21 11291 Siskiyou Mount Shasta, Heather Meadow, Panther Creek, (feature of the meadows at Panther and Squaw Creeks) Panther Creek; Mount Shasta, Heather Meadow, Panther Creek 2286 Comment
  CAS-BOT-BC60765  Physaria occidentalis Harley P. Chandler 1901-6-1 1653 Siskiyou North Coast Ranges. Marble Mountain. 2438 Comment
  CAS-BOT-BC60772  Physaria occidentalis Alice Eastwood 1912-8-30 2024 Siskiyou Mount Eddy. Comment
  CAS-BOT-BC60773  Physaria occidentalis Edwin Bingham Copeland 1903-7-6 s.n. Siskiyou Cottonwood Creek, Hornbrook. Comment
  CAS-BOT-BC140525  Physocarpus Alice Eastwood 1912-7-21 1273 Siskiyou Sisson Comment
  CAS-BOT-BC140606  Physocarpus capitatus L. E. Smith 1913-6-18 378 Siskiyou Road from Sisson to Castle Creek Comment
  CHSC1565  Physocarpus capitatus M. Yoder 1941-7-12 Siskiyou Castle Lake. 1981 Comment
  POM208276  Physocarpus capitatus Louis C. Wheeler 1934-7-5 2877 Siskiyou Beaver Creek at Deer Creek, Siskiyou Mts. 976 Comment
  CAS-BOT-BC73430  Picea breweriana J. G. Lemmon 1889-10-18 s.n. Siskiyou Siskiyou Mts., near Waldo. 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
  HSC4813  Picea breweriana J. O. Sawyer 1968-9-13 711 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  UCD133125  Picea breweriana D. Sanchez-Mata 1997-9-19 s.n. Siskiyou Klamath National Forest. Happy Camp-O'Brien. Indian Creek Road. Jefferson State Scenic Byway. 1470 Comment
  RSA593949  Picea breweriana L. C. Wheeler 1963-8-31 8316 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1432 Comment
  CAS-BOT-BC73394  Pinus albicaulis W. R. Dudley 1899-8-26 s.n. Siskiyou Near Mt. Eddy. Comment
  HSC4808  Pinus albicaulis J. O. Sawyer 1968-7-9 753 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  JEPS110479  Pinus albicaulis Robert E. Preston 2001-6-23 1519 a Siskiyou Klamath National Forest, E peak of Rainbow Mountain. 2118 Comment
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Jun 3 2018
  RSA0086516  Pinus albicaulis Bonnie C. Templeton 1968-6-13 11334 Siskiyou Mt. Shasta, in the region of Panther Meadows. 2804 Comment
  UC1037414  Pinus albicaulis Douglas Barbe 1955-8-5 360 Siskiyou ridge nw of the summit Caribou Mountain (in the Salmon Mountains); Klamath Mountains 2407 Comment
  HSC1570  Pinus contorta var. murrayana R. C. Wunner 1965-8-22 471 Siskiyou Lava Beds National Monument Hidden Valley, closest end to Mammoth Crater 1585 Comment
  HSC32544  Pinus contorta var. murrayana Steven Lagos 1974-5-26 81 Siskiyou Little Duck Lake and the ridge above it, Bulk Collection # 57 2073 Comment
  CAS-BOT-BC78714  Pinus jeffreyi A. A. Heller 1915-8-26 12252 Siskiyou Metcalf's [ranch] Ranch at the foot of Mt. Eddy 1188 Comment
  HSC1507  Pinus lambertiana D. M. Thomson 1965-8-14 186 Siskiyou Lava Beds National Monument 0.25 mi. S of Cauldwell Cinder Pit Comment
  HSC68460  Pinus monticola Maralyn A. Renner 1980-7-4 1454 Siskiyou Clear Creek Trail, N of Trout Camp. 1037 Comment
  HSC69222  Pinus monticola Maralyn A. Renner 1980-8-31 2622 Siskiyou Twin Valley. 1494 Comment
  HSC99613  Pinus monticola G. L. Clifton, Griswold 1979-6-28 6150 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  LA6146  Pinus ponderosa W. B. C.; 1939-7-26 13789 Siskiyou Mount Shasta, along the Sisson Southern Trail 1676 Comment
  CHSC86627  Plagiobothrys cognatus Jenny Marr 1993-7-1 10 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  POM215851  Plagiobothrys scouleri var. hispidulus L. C. Wheeler 1934-7-3 2869 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts 1677 Comment
  UC163847  Plagiobothrys tenellus Geo. D. Butler 1910-4-10 1163 Siskiyou hills near Yreka Comment
  JEPS117461  Plantago eriopoda Lowell Ahart, John Dittes 2010-7-30 16967 Siskiyou About 10 yards south of the Shasta River, about 40 yards west of the pipe crossing the Shasta River, about 300 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 716 Comment
  JEPS6469  Plantago eriopoda Rimo Bacigalupi and G. T. Robbins 1954-8-13 4802 Siskiyou 1.9 mi s Gazelle; Shasta Valley 853 Comment
  CHSC91387  Plantago lanceolata Lowell Ahart; John Dittes 2005-6-10 12118 Siskiyou Near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  HSC96827  Plantago major S. Lyon 2006-7-18 12 Siskiyou E side of Eddy Gulch Rd., 3 mi. S of intersection with Sawyers Bar Rd. 915 Comment
  UC1299357  Platanthera hyperborea Freed W. Hoffman 1950-7-13 3651 Siskiyou Baldy Mountain 1 mi from Lookout on road to Indian Creek (western Siskiyou County); Baldy Mountain Comment
  HSC69399  Platanthera sparsiflora Maralyn A. Renner 1980-8-8 2443 Siskiyou Rattlesnake Meadow 1646 Comment
  HSC27799  Platanthera sparsiflora J. D. Ackerman 1973-7-27 108 Siskiyou S Fork Sacramento River Comment
  RSA382924  Platanthera sparsiflora M. B. Dunkle 1945-07 9257 Siskiyou Klamath National Forest; Marble Mts. Comment
  HSC33981  Plectritis macrocera J. P. Smith 1974-5-25 7470 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  UC416765  Plectritis macrocera W. T. Mooney April 1903 Siskiyou Yreka Comment
  CAS-BOT-BC261035  Poa Melissa A. Berry 1957-7-8 s.n. Siskiyou South Russian Creek at Power House 822 Comment
  RSA22160  Poa J. T. Howell 1937-7-24 13403 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  CAS-BOT-BC254781  Poa bolanderi Geo. D. Butler 1910-7-12 1750 Siskiyou Shackleford Creek Comment
  UC1265390  Poa bolanderi Frederick W. Oettinger 1969-8-16 1395 Siskiyou sw of Wire Grass Meadow above English Lake; Salmon Mts, High Lake Basins, Marble Mt Wilderness Area 1676 Comment
  UCD90281  Poa bolanderi Geo. D. Butler 1910-7-12 1750 Siskiyou Shackleford Creek. 1219 Comment
  UCD90546  Poa bolanderi A. A. Heller 1914-8-28 11736 Siskiyou East side of Mt. Eddy. 2438 Comment
  HSC36750  Poa compressa J. P. Smith 1974-5-25 7404 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  RSA0000484  Poa nervosa L. C. Wheeler 1935-6-30 3629 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  RSA22128  Poa pratensis J. T. Howell 1937-7-23 13347 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UCD91938  Poa pratensis A. H. Murphy 1956-8-16 56 P Siskiyou Big Marshy Meadows. Klamath National Forest. 1981 Comment
  CAS-BOT-BC247531  Poa pringlei John Thomas Howell 1937-7-29 13670 Siskiyou North side of Scott Mt. Comment
  LA12614  Poa pringlei Jason Swallen; 1939-7-26 13762 Siskiyou Mt. Shasta, Along the Summit Trail below Lake Helen 2895 Comment
  HSC34096  Poa rhizomata J. O. Sawyer 1969-6-11 844 Siskiyou Above C.C.C. road. 1287 Comment
  SEINET10954314  Poa scabrella Frank W. Gould 1940-5-15 Gould 1234 Siskiyou Lower Bull Meadow, Goosenest Mountain, in dry soil at edge at wet meadow. Comment
  UCD90328  Poa secunda A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3414 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  CAS-BOT-BC243222  Poa secunda subsp. secunda Roxana S. Ferris; Laura Lorraine 1948-6-12 11719 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], E fork of Scott River Comment
  HSC11  Poa secunda subsp. secunda William J. Ferlatte 1966-6-22 114 Siskiyou Josephine Lake Basin 1677 Comment
  CAS-BOT-BC243232  Poa secunda subsp. secunda A. A. Heller 1905-6-9 8007 Siskiyou About 1 mile E of Montague Comment
  UC164137  Polemonium carneum Geo. D. Butler 1910-5-15 1344 Siskiyou McAdams Creek Comment
  RSA365430A  Polemonium carneum M. B. Dunkle 1944-1 9048 Siskiyou Siskiyou National Forest Comment
  JEPS20037  Polemonium micranthum George D. Butler 1909-3-16 557 Siskiyou near Yreka (Butler's Ranch); near Yreka, Butler's Ranch Comment
  SEINET3163465  Polygala cornuta var. cornuta G. B. Grant 1024 Siskiyou Sisson, S. Cal. 1128 Comment
  UC375154  Polygonum californicum Geo. D. Butler 1908-7-23 192 Siskiyou dry land near Yreka Comment
  CAS-BOT-BC414396  Polygonum californicum Louis C. Wheeler 1934-6-21 2747 Siskiyou Klamath National Forest. W. Fork Cottonwood Cr. 1005 Comment
  JEPS50517  Polygonum convolvulus Geo. D. Butler 1908-8-29 197 Siskiyou near Oro Fino; Marlahan Ranch Comment
  RSA237799  Polygonum davisiae Frederick W. Oettinger 1968-8-4 396 Siskiyou Along trail north of NE Crapo Peak Ridge. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  UC922356  Polygonum davisiae Annie M. Alexander and Louise Kellogg 1949-7-20 5817 Siskiyou hill n Paradise Lake; Marble Mountains 1920 Comment
  CAS-BOT-BC414602  Polygonum douglasii Geo. D. Butler 1910-7-9 1706 Siskiyou Shackleford Creek 1219 Comment
  HSC19292  Polygonum douglasii J. O. Sawyer 1969-7-24 1495 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  JEPS74478  Polygonum douglasii W. J. Ferlatte 1966-8-3 249 Siskiyou Big Flat Trinity Alps (wooded area near public camp) 1524 Comment
  JEPS50548  Polygonum douglasii J. W. Blankinship 1910-8-1 Siskiyou Comment
  UC1409208  Polygonum douglasii Frederick W. Oettinger 1969-8-12 1350 Siskiyou on English Lake trail above Willow Spring (w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  UC618625  Polygonum douglasii subsp. douglasii W. Bridge Cooke 1938-7-29 11422 Siskiyou Wagon Camp Mount Shasta, Wagon Camp Creek (meadow along creek) Comment
  UC454279  Polygonum douglasii subsp. spergulariiforme I. J. Condit July 1911 Siskiyou Dunsmuir Comment
  UC850385  Polygonum douglasii subsp. spergulariiforme John Thomas Howell 1937-7-21 13159 Siskiyou near Big Flat; South Fork of Salmon River 1524 Comment
  UCR37540  Polygonum douglasii subsp. spergulariiforme L. P. Janeway 1983-7-7 389 Siskiyou Just NW behind West Branch Guard Sta. 701 Comment
  HSC2397  Polygonum minimum William J. Ferlatte 1966-8-18 417 Siskiyou Along S Fork of Salmon River between the campground and Carter's 1524 Comment
  SDSU9664  Polygonum persicaria D. F. Howe 1962-8-5 3394 Siskiyou 12 miles east of Happy Camp on #96. 518 Comment
  UC55508  Polygonum phytolaccifolium Harley P. Chandler June, 1901 1627 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 2133 Comment
  RSA237794  Polygonum phytolaccifolium Frederick W. Oettinger 1967-8-23 320 Siskiyou English Peak Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  UC1023733  Polygonum polygaloides subsp. kelloggii W. Bridge Cooke 1941-7-18 16063 Siskiyou along Wagon Camp-Bear Springs road Mount Shasta Comment
  CAS-BOT-BC420068  Polygonum polygaloides subsp. kelloggii Wm. Bridge Cooke 1939-7-13 13653 Siskiyou Mount Shasta. Portion of Squaw Valley Creek Meadows Comment
  JEPS40856  Polygonum shastense Paul C. Hutchison 1962-8-2 935 Siskiyou between Panther Meadow and top of ski lift; Mt. Shasta 2621 Comment
  UC726984  Polygonum shastense A. A. Heller 1920-8-12 13520 Siskiyou spring above Horse Camp Comment
  HSC19186  Polygonum spergulariiforme J. O. Sawyer 1968-9-10 686 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  CAS-BOT-BC421087  Polygonum spergulariiforme W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox Comment
  UC637168  Polypodium calirhiza Edward Lee 1934-8-13 1056 Siskiyou 4 mi n Happy Camp (Indian Creek); Klamath Nat'l Forest 411 Comment
  UC166281  Polypogon interruptus Geo. D. Butler 1908-6-25 481 Siskiyou along creek near Yreka; near Yreka Comment
  HSC61295  Polypogon monspeliensis Ruby Van Deventer 1960-7-14 Siskiyou Road to Flint Valley 2 miles from Klamath River. 762 Comment
  HSC25462  Polystichum imbricans J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5658 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  CAS-BOT-BC76726  Polystichum imbricans subsp. imbricans Doris K. Kildale 1929-4-27 7504 Siskiyou Cecilville Comment
  CAS-BOT-BC76736  Polystichum imbricans subsp. imbricans Edward Lee 1934-8-14 1115 Siskiyou Little Grayback, Siskiyou-Del Norte county line. 1798 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
  UC2026484  Polystichum lemmonii Louis C. Wheeler 1958-8-20 7411 Siskiyou Siskiyou Mountains. Red Butte, southeast side. Comment
  UC371159  Polystichum lemmonii G. D. Butler 1908-8-8 241 Siskiyou Wooly Creek 1676 Comment
  UCD78120  Polystichum lemmonii Robert E. Preston 2001-6-30 1646 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 1828 Comment
  HSC79125  Polystichum lemmonii C. J. Thomas 1983-10-1 77 Siskiyou Scott Mtn. Summit, 0.5 to 0.75 mi. above Big Carmen Lake 1756 Comment
  SEINET10793990  Polystichum lemmonii George Yatskievych, Kay Yatskievych 1988-8-25 Yatskievych 88 -204 Siskiyou 1.3 miles N of Park Creek Crest on paved Forest Service Road 42N17, SW of Weed. T41N R06W S33 NW4. 2000 Comment
  CAS-BOT-BC72406  Polystichum lonchitis John Thomas Howell 1939-8-3 14991 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  LA2445  Polystichum lonchitis Louis Wheeler; 1934-8-6 3058 Siskiyou Rock Gulch off Jaynes Canyon 1828 Comment
  RSA576447  Polystichum lonchitis L. C. Wheeler 1934-8-10 3100 Siskiyou Siskiyou Mountains: Dead Cow Creek. 1890 Comment
  HSC67731  Polystichum munitum John Palmer 1980-8-12 698 Siskiyou SE of Ward's Gap. 1189 Comment
  HSC79141  Polystichum scopulinum C. J. Thomas 1983-10-1 93 Siskiyou Box Camp Mtn. Ridge in Marble Mtn. Wilderness, 0.5 mi. from trail 2098 Comment
  SEINET8263372  Populus fremontii Frank Callahan 2007-1 Siskiyou Moffett Creek. 884 Comment
  CAS-BOT-BC102770  Populus tremuloides L. E. Smith 1918-4-29 s.n. Siskiyou Sisson Comment
  RSA1577  Populus tremuloides E. R. Johnson 1928-8-31 1197 Siskiyou 10 miles East of Bartle. Comment
  HSC99280  Populus trichocarpa Frank T. Callahan May 2007 Siskiyou Moffett Creek Comment
  POM107368  Populus trichocarpa Geo. D. Butler 1910-4-16 1177 Siskiyou Yreka Creek. Comment
  JEPS42976  Potamogeton foliosus Geo. D. Butler 1909-9-12 882 Siskiyou Oro Fino Comment
  UC201703  Potamogeton illinoensis Geo. D. Butler 1916-8-21 1853 Siskiyou Shasta River Comment
  HSC79092  Potamogeton natans Paul Wilson 1984-8-26 356 Siskiyou Juanita Lake Reservoir 1555 Comment
  JEPS94254  Potentilla anserina subsp. anserina Vernon H. Oswald and Lowell Ahart 1998-6-11 9212 Siskiyou Old State Highway 0.5 mi w of Bray (10 air mi e of Grass Lake located on Highway 97, 23 air mi ne of Weed); Old State Highway 1414 Comment
  HSC90541  Potentilla breweri Jennifer Whipple 1976-7-8 1376 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC1409356  Potentilla breweri Frederick W. Oettinger 1968-8-12 498 Siskiyou Tobacco Lake Trail Salmon Mountains, Marble Mountain Wilderness Area (Salmon Mts., high lake basins in vicinity of English Peak, Marble Mountain Wilderness area, western Siskiyou County) 1889 Comment
  UC164067  Potentilla breweri Geo. D. Butler 1910-6-5 1520 Siskiyou Log Lake Comment
  UC1560736 Image available Potentilla cristae W. J. Ferlatte 1989-8-5 2120 Siskiyou e Cory Peak (above headwaters of Cabin Meadow Creek); China Mt. SE Quad., e of Cory Peak, Cabin Meadow Creek 2194 Comment
  CAS-BOT-BC142033  Potentilla drummondii John Thomas Howell 1939-8-2 14906 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC922313  Potentilla flabellifolia Annie M. Alexander and Louise Kellogg 1949-7-28 5875 Siskiyou Sky High Valley , Sky High Valley (Marble Mountains) 1767 Comment
  RSA74740  Potentilla glandulosa subsp. ashlandica Albert M. Vollmer 1951-5-31 36 Siskiyou Scott Mountain. Comment
  SJSU2556  Potentilla glandulosa subsp. ashlandica H. L. Buckalew 1962-7-9 Siskiyou Poker Flat c. 3 mi W of junction of Indian Cr & W Branch Indian Cr, Siskiyou Mts 1143 Comment
  HSC62286  Potentilla gracilis Al Hobart 1967-8-8 Siskiyou Youngs Valley 1524 Comment
  CHSC88116  Potentilla gracilis var. fastigiata Jenny Marr 1993-7-1 126 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 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-BC540550  Potentilla gracilis var. fastigiata Wm. Bridge Cooke 1939-7-7 13591 Siskiyou Bear Springs, Mount Shasta 1524 Comment
  RSA237628  Potentilla gracilis var. fastigiata Frederick W. Oettinger 1968-9-10 816 Siskiyou Horse Range Lake meadow. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CHSC93542  Potentilla millefolia Lowell Ahart; John Dittes 2005-6-10 12095 Siskiyou Steep springy slope, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  JEPS96962  Potentilla millefolia var. klamathensis Dean W. Taylor 1997-6-12 16058 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle 944 Comment
  UC2062454  Potentilla newberryi Barbara Ertter 2015-10-4 22452 Siskiyou East end of Grass Lake on Highway 97, south side of highway. Comment
  HSC44891  Prosartes hookeri Maralyn O'Meara 1974-5-25 407 Siskiyou Along road to Duck Lakes trail 1402 Comment
  RSA68936  Prunella vulgaris var. lanceolata A. E. Culbertson 1943-7-17 22 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
  CAS-BOT-BC158587  Prunus Alice Eastwood 1912-9-3 2081 Siskiyou North Fork, Sisson Comment
  CAS-BOT-BC158201  Prunus emarginata A. A. Heller 1922-7-14 13683 Siskiyou At the foot of Pumice Stone Mountain Comment
  CAS-BOT-BC158226  Prunus emarginata A. A. Heller 1905-6-1 7929 Siskiyou On the banks of the Sacramento opposite Upper Soda Spring; Between Dunsmuir and Upper Soda Spring 731 Comment
  CAS-BOT-BC158236  Prunus emarginata Doris K. Kildale 1928-7-4 5516 Siskiyou Summit of Divide between Salmon River & Scott Valley Comment
  POM275643  Prunus emarginata Lyman D. Benson 1933-8-9 5678 Siskiyou Mt. Shasta City. Cascade Mountain range 915 Comment
  RSA747164  Prunus emarginata Bonnie C. Templeton 1964-6-9 10066 Siskiyou Slope of Mt. Shasta Comment
  SEINET10542452  Prunus subcordata David B. Dunn 1971-8-15 Dunn 18143 Siskiyou 0.5 mile e of mccloud ranger station on hwy 89. Yellow pine forest Comment
  HSC24682  Prunus virginiana var. demissa J. O. Sawyer 1969-8-1 1662 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  UC154510  Prunus virginiana var. demissa Harley P. Chandler June, 1901 1631 Siskiyou Klamath River to Marble Mountain; North Coast Ranges 2133 Comment
  UC527336  Prunus virginiana var. demissa C. B. Wolf 1931-9-2 2389 Siskiyou near Fish Hatchery at Mount Shasta City (Sisson) Fish Hatchery; Mount Shasta City (Sisson) 1066 Comment
  HSC43366  Pseudognaphalium stramineum N. G. Sugihara 1977-5-28 86 Siskiyou Burned hillside, 0.3 mi. toward Sawyer's Bar from Hwy. 96 S of Somes Bar Comment
  UC204803  Pseudoroegneria spicata subsp. spicata Geo. D. Butler 1910-7-3 1626 Siskiyou Goosenest Foothills 1219 Comment
  UC203951  Pseudoroegneria spicata subsp. spicata Geo. D. Butler 1909-6-27 848 Siskiyou Klamath River Comment
  HSC506  Pseudostellaria jamesiana William J. Ferlatte 1967-6-27 535 Siskiyou Big Flat 1524 Comment
  UC165936  Pseudostellaria jamesiana Geo. D. Butler 1909-6-13 966 Siskiyou Moffitt Creek Comment
  RSA478138  Pseudostellaria jamesiana M. B. Dunkle 1944-7-7 9077 Siskiyou Deer Creek. 1768 Comment
  SEINET3875502  Pseudotsuga menziesii Alv Dan Youngberg 1964-8-17 51 Siskiyou Growing at West Branch Guard Station.; 0 671 Comment
  LA6346  Pseudotsuga menziesii var. menziesii Louis C. Wheeler; 1934-9-4 3243 Siskiyou Siskiyou Mountains, Bear Creek off W. Fork Beaver Creek 1371 Comment
  JEPS60239  Psilocarphus brevissimus var. brevissimus L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2299 Siskiyou 0.8 mi s Bray junction (on U. S. Highway 97); Murphy Wells 1493 Comment
  RSA690876  Pteridium aquilinum var. pubescens M. B. Dunkle 1944-7-26 9049 Siskiyou Siskiyou Mountains, Deer Creek Comment
  UC375217  Pterospora andromedea Geo. D. Butler 1908-7-20 35 Siskiyou Long Gulch; head, near Yreka Comment
  UC637120  Pterospora andromedea Edward Lee 1934-8-13 1077 a Siskiyou Happy Camp to Waldo (OR) road Klamath National Forest, watershed of West Branch of Indian 1432 Comment
  UC1246760  Pteryxia terebinthina var. californica A. S. Barclay, R. D. Barbee and K. E. Blum 1962-7-10 1328 Siskiyou along Sacramento Creek, ca. 2 mi SW of town of Mt. Shasta Comment
  HSC19591  Purshia tridentata var. tridentata R. C. Wunner 1965-6-7 102 Siskiyou Lava Beds National Monument, Mammoth Crater 1616 Comment
  RSA449670  Purshia tridentata var. tridentata Bonnie C. Templeton 1964-6-9 10065 Siskiyou Slope of Mt. Shasta Comment
  UC140049  Pycnanthemum californicum Copeland 1903-8-12 3837 Siskiyou Sisson Comment
  CAS-BOT-BC460871  Pyrola aphylla L. E. Smith 1914-7-3 734 Siskiyou Sisson Comment
  RSA0082808  Pyrola aphylla M. B. Dunkle 1944-7-17 9119 Siskiyou Deer Creek. 1767 Comment
  HSC69415  Pyrola dentata John Palmer 1980-7-23 565 Siskiyou Past Elbow Springs at end of USFS Rd. 15N19 1220 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
  CAS-BOT-BC466130  Pyrola picta John Thomas Howell 1937-7-26 13520 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC67727  Quercus chrysolepis John Palmer 1980-8-12 691 Siskiyou SE of Ward's Gap. 1189 Comment
  RSA476553  Quercus chrysolepis Edwin Kline 1920-6-17 s.n. Siskiyou Siskiyou Mts. Comment
  HSC8239  Quercus garryana C. B. Wolf 1927-8-27 1109 Siskiyou Klamath River at Happy Camp. Comment
  UC164448  Quercus garryana Geo. D. Butler 1910-4-16 1182 Siskiyou Klamath River Comment
  UC705928  Quercus garryana var. breweri Marion Ownbey, Fred G. Meyer 1940-7-8 2229 Siskiyou 21 mi n Happy Camp; Summit of Siskiyou Mountains Comment
  UCSB1173  Quercus garryana var. breweri Muller, Cornelius 1954-6-24 Siskiyou 10.7 mi. SW of Etna, Summit of Salmon Mt. pass, 10 mi. NE of Idyllwild 1798 Comment
  POM166635  Quercus garryana var. garryana Copeland 1903-7-14 3522 Siskiyou Klamathon. Comment
  CAS-BOT-BC105102  Quercus kelloggii Copeland 1933-7-14 3521 Siskiyou Klamathon Comment
  RSA748771  Quercus kelloggii K. M. Meyer, A. Townesmith 2007-8-4 190 Siskiyou Klamath National Forest, 0.6 mi. on right fork, 6 mi. on Rd. 7J001 out of Yreka, CA (road past the water tower). 1286 Comment
  RSA237357  Quercus sadleriana Frederick W. Oettinger 1967-8-26 335 Siskiyou 1/2 mile below Abbotts Upper Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA493211  Quercus sadleriana Sandra Holloway 1963-10-12 77 Siskiyou Junction Red Rock Valley trail and Canyon Creek trail, Marble Mountain Wilderness Area. 1341 Comment
  RSA749132  Quercus sadleriana Jim R. Shevock, David Toren 2000-9-1 20099 Siskiyou Applegate River Drainage. Along trail 959 toward Bear Gulch about 100 yards N of Cook and Green Pass off of road 1055. 1433 Comment
  UCD14456  Quercus sadleriana Dean W. Taylor 1972-7-1 1567 Siskiyou California, Siskiyou Co.; 0.5 mi. east of Cook and Green Pass; T 47N, R 11W, Sect. 8, NE quarter of NE quarter; 1371 Comment
  UCD47244  Quercus sadleriana John M. Tucker 1972-8-8 4246 Siskiyou 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); Comment
  UCD47248  Quercus sadleriana R. G. Schultz 1965-10-1 4 Siskiyou Red Rock Valley, Siskiyou County, California. 1584 Comment
  UCR210398  Quercus sadleriana J. R. Shevock, David Toren 2000-9-1 20099 Siskiyou Siskiyou Mountains, Rogue River National Forest, Applegate River Drainage, along trail 959 toward Bear Gulch about 100 yards north of Cook and Green Pass off of road 1055 1433 Comment
  HSC29466  Quercus vacciniifolia Frederick W. Oettinger 1968-9-5 704 Siskiyou Marble Mtn. Wilderness Area, SE slope along trail from English to Diamond Lake 1890 Comment
  JEPS20043  Quercus vacciniifolia George D. Butler Aug 1908 230 Siskiyou near Cold Spring Camp; Wooley Creek 1676 Comment
  UC1045205  Quercus vacciniifolia unknown 1940-6-5 15044 Siskiyou along the Castle Lake Road Comment
  HSC68243  Raillardella pringlei J. P. Smith, Steve Selva 1970-7-27 4511 Siskiyou Gumboot Lake 1768 Comment
  UC1584286  Ranunculus alismifolius Julie Kierstead 1990-4-18 90 -16 Siskiyou 0.2 mi from Jct. of FS Rds. 3N55 and 40N09.4; Shata-Trinity N.R., McCloud R.D. 1341 Comment
  SEINET5338679  Ranunculus flammula G. Butler 1910-7-12 1741 Siskiyou Shackleford Creek. 1219 Comment
  HSC28743  Ranunculus gormanii Frederick W. Oettinger 1969-7-14 1015 Siskiyou Marble Mtn. Wilderness Area, 100 ft. down outlet stream at NE corner of Charmaine Lake 1905 Comment
  NY214641  Ranunculus marmorarius H. P. Chandler 06 1901 1691 Siskiyou Ridges and meadows near Marble Mountain 2286.0 Comment
  HSC73339  Ranunculus occidentalis Gail Newton 1980-6-20 467 Siskiyou Near Bald Mtn. 1097 Comment
  HSC46228  Ranunculus occidentalis var. occidentalis Jennifer Whipple 1978-6-5 2339 Siskiyou Weston Gulch in Scott Valley 854 Comment
  HSC30472  Ranunculus uncinatus Frederick W. Oettinger 1969-8-9 1313 Siskiyou Near Young's Cabin, Salmon Mts. Comment
  UC1211981  Rhamnus crocea Victor A. Zullo 1962-2-12 Siskiyou between Etna and Callahan (s side of Horseshoe Gulch, a side canyon of McConaughy Gulch, on the e side of Scott Valley); Scott Valley, Horseshoe Gulch, McConaughy Gulch Comment
  JEPS41969  Rhamnus purshiana Willis L. Jepson 1894-1 13967 Siskiyou Sisson Upper Sacramento Region Comment
  RSA700048  Rhododendron californicum Leo Miller 1938-07 s.n. Siskiyou Siskiyou, Mountains. 915 Comment
  CHSC598  Rhododendron neoglandulosum M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  UC456172  Rhododendron occidentale I. J. Condit 1909-8-23 Siskiyou Castle Lake near Sisson; Castle Lake Comment
  HSC41074  Rhus aromatica J. O. Sawyer 1970-3-4 2077 Siskiyou N of Idlewild Campground. 762 Comment
  SEINET8042111  Rhus aromatica G. D. Butler 1910-6-29 1615 Siskiyou Near Yreka. Comment
  UC163757  Rhus trilobata Geo. D. Butler 1910-6-29 1615 Siskiyou near Yuba Comment
  SEINET10494636  Rhus trilobata Katherine L. Morris 1973-6-2 Morris 356 Siskiyou Found at the junction of Shasta and Klamath Rivers on Hwy 263. Comment
  SEINET3155932  Rhus trilobata var. quinata G. D. Butler 1910-6-29 1615 Siskiyou near Yreka Comment
  CDA25521  Ribes aureum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2623 Siskiyou 200 meters north of Hamilton Street on Highway 3, north edge of Fort Jones. Comment
  UC165928  Ribes aureum Geo. D. Butler 1910-4-19 1203 Siskiyou Yreka Creek Comment
  CAS-BOT-BC92530  Ribes binominatum Doris K. Kildale 1928-8-18 6459 Siskiyou Near head of North Fork of Salmon River near Finley's Upper Camp. 1524 Comment
  HSC76993  Ribes binominatum K. T. Stillman 1976-6-25 70 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  RSA459479  Ribes bracteosum M. B. Dunkle 1944-7-15 9116 Siskiyou Tree Creek. 1829 Comment
  CAS-BOT-BC168862  Ribes inerme var. klamathense A. A. Heller 1905-6-15 8042 Siskiyou Near Sisson, first ridge west of Sisson Comment
  JEPS49411  Ribes inerme var. klamathense W. L. Jepson July, 1894 13509 Siskiyou Sisson Comment
  UC165267  Ribes inerme var. klamathense Geo. D. Butler 1910-5-18 1362 Siskiyou Yreka Creek Comment
  CAS-BOT-BC173285  Ribes lacustre John Thomas Howell 1937-7-22 13305 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC165924  Ribes lacustre Geo. D. Butler 1908-8-8 263 Siskiyou Marble Valley Comment
  UCD78097  Ribes lacustre Robert E. Preston 2001-6-23 1628 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W se 1/4 of ne 1/4 Section 15 1676 Comment
  CAS-BOT-BC173385  Ribes lobbii Ira L. Wiggins 1955-7-22 13460 Siskiyou Ridge W of China Creek S side of S Fork of Salmon River 960 Comment
  JEPS43057  Ribes lobbii Geo. D. Butler 1909-5-31 793 Siskiyou Humbug Comment
  UC1190176  Ribes lobbii Ira L. Wiggins 1955-7-22 13460 Siskiyou ridge w China Creek (s side of river); S Fork of Salmon River 960 Comment
  CAS-BOT-BC219266  Ribes nevadense A. A. Heller 1905-6-16 8047 Siskiyou Sisson Comment
  HSC98215  Ribes nevadense J. O. Sawyer 1969-7-24 1459 Siskiyou NW facing slope SW of Sugar lake. 1829 Comment
  SD76163  Ribes nevadense Helen V. Witham 1969-10-7 548 Siskiyou Northwest face, granite cliffs above Kangaroo Lake, Scott Mts. 2100 Comment
  HSC634  Ribes roezlii William J. Ferlatte 1967-6-29 572 Siskiyou Along Yellow Rose Mine Trail 1829 Comment
  UC857963  Ribes roezlii A. A. Heller 1915-7-15 11970 Siskiyou Mt. Eddy 2072 Comment
  CAS-BOT-BC199994  Ribes roezlii var. cruentum Lewis S. Rose 1945-6-18 45056 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC199999  Ribes roezlii var. cruentum Doris K. Kildale 1928-7-25 5907 Siskiyou Mack's Creek, Klamath River near Hamburg Comment
  CAS-BOT-BC200004  Ribes roezlii var. cruentum Louis C. Wheeler 1934-6-28 2815 Siskiyou Klamath National Forest. Little Soda Creek 1066 Comment
  HSC65619  Ribes roezlii var. cruentum J. P. Smith 1973-5-5 6422 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC186291  Ribes roezlii var. roezlii Ellsworth Bethel 1923-5-20 s.n. Siskiyou McCloud Comment
  UC1222370 Image available Ribes sanguineum Joseph P. Tracy 1951-6-16 19497 Siskiyou near State Line (summit of the Siskiyous, at crossing of Takilma-Happy Camp Road); Siskiyous Comment
  UC921841  Ribes sanguineum Louis C. Wheeler 1934-6-12 2695 Siskiyou North Hungry Creek Siskiyou Mts. 1310 Comment
  RSA0019541  Ribes sanguineum var. sanguineum Louis C. Wheeler 1963-9-3 8342 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
  HSC20361  Ribes velutinum R. C. Wunner 1965-7-1 337 Siskiyou Lava Beds National Monument, near N Prefab. 1433 Comment
  JEPS43488  Ribes velutinum W. L. Jepson 1940-6-23 19986 Siskiyou e Grenada and Mayten (e side of Little Shasta Valley); Little Shasta Valley 883 Comment
  CAS-BOT-BC168794  Ribes viscosissimum A. M. Vollmer; L. Beane 1951-6-2 55 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway Comment
  CAS-BOT-BC168799  Ribes viscosissimum Gilbert Muth 1966-7-17 380 Siskiyou Along trail to Marble Mountain Lookout, Marble Mts. 1813 Comment
  HSC69001  Ribes viscosissimum Maralyn A. Renner 1980-7-28 2197 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  UC1408855  Ribes viscosissimum Frederick W. Oettinger 1968-8-10 467 Siskiyou e side Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  UCD102537  Ribes viscosissimum Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou East of Marble Mountain, Marble Mountains. 2042 Comment
  RSA0020918  Ribes viscosissimum M. B. Dunkle 1944-7-18 9131 Siskiyou Siskiyou National Forest. 1890 Comment
  CHSC91347  Rigiopappus leptocladus Lowell Ahart; John Dittes 2005-6-9 12045 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  UC163901  Rigiopappus leptocladus Geo. D. Butler 1909-6-10 800 Siskiyou near Yreka Comment
  CDA8539  Rigiopappus leptocladus G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2774 Siskiyou Northwest point of Chaparral Hill overlooking Scott River, 2 miles (3.2 km) west of Fort Jones on Lighthill Grade Road. Comment
  CAS-BOT-BC74658  Rorippa curvisiliqua John Thomas Howell 1939-8-5 15064 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  UC1871382  Rosa Barbara Ertter 2006-7-30 18738 Siskiyou Butte Valley 4 air mi due W of Macdoel, Meiss Lake Road at S entrance to Butte Valley Wildlife Area. 1298 Comment
  SEINET8986573  Rosa Unknown 1896-1 1882 (35) Siskiyou Siskiyou Co. Comment
  POM277828  Rosa brownii H. E. Brown 1897-6-11 349 Siskiyou North side, Mt. Shasta. 1524 Comment
  UC375394  Rosa californica Geo. D. Butler 1908-9-6 1045 Siskiyou dry land near Yreka Comment
  CAS-BOT-BC146746  Rosa gymnocarpa Alice Eastwood 1912-7-15 1079 Siskiyou McCloud Comment
  CAS-BOT-BC146755  Rosa gymnocarpa Annie M. Alexander; Louise Kellogg 1948-9-7 5593 Siskiyou On road between first and second forks to Lookouts; Black Bear Summit Comment
  CAS-BOT-BC146761  Rosa gymnocarpa Alice Eastwood 1923-5-20 11842 Siskiyou Shasta Springs Comment
  HSC36725  Rosa gymnocarpa Brent Whitely 1975-6-23 44 Siskiyou 223 Comment
  SEINET3111161  Rosa gymnocarpa Steve Selva, Roger Jensen 1974-8-26 55 Siskiyou Along Sugar Lake trail. Comment
  UC914728  Rosa gymnocarpa A. A. Heller 1915-8-24 12203 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  CAS-BOT-BC147078  Rosa pisocarpa Doris K. Kildale 1929-7-20 8634 Siskiyou Trail up South Fork of Indian Creek to Elk Lick Comment
  RSA237816  Rosa pisocarpa Frederick W. Oettinger 1968-8-23 612 Siskiyou Just below Diamond Lake on way towards English Lake. Salmon Mtns. The High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2058 Comment
  JEPS100526  Rosa pisocarpa subsp. pisocarpa Dean Wm. Taylor with Glenn L. Clifton 1996-7-26 15852 Siskiyou Cliff Lake, The Eddys (about 15 air miles southwest of Weed); Shasta-Trinity National Forest 1920 Comment
  UC454962  Rosa pisocarpa subsp. pisocarpa I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake Comment
  CAS-BOT-BC148192  Rosa rubiginosa Carl B. Wolf 1927-8-26 1007 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  HSC19636  Rosa woodsii subsp. ultramontana R. C. Wunner 1965-8-24 475 Siskiyou Lava Beds NM, Capt. Jacks Stronghold near exit Comment
  CAS-BOT-BC156599  Rubus bifrons William M. Hiesey 1947-8-23 557 Siskiyou Klamath River along Highway 96, one mile west of Beaver Creek (2 mi. N. of Walker) 548 Comment
  POM366399  Rubus discolor Bonnie C. Templeton 1957-6-21 s.n. Siskiyou N of Callahan Comment
  CAS-BOT-BC147142  Rubus glaucifolius Louis C. Wheeler 1934-8-31 3233 Siskiyou Klamath National Forest, Bear Creek 1767 Comment
  RSA237589  Rubus lasiococcus Frederick W. Oettinger 1967-7-30 227 Siskiyou Semi-shaded granite cliffs southwest of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  SBBG50769  Rubus lasiococcus J. M. Tucker, D. V. Hemphill 1974-7-27 4300 Siskiyou camp at Haypress Meadows, Marble Mtn Wilderness Area 1463 Comment
  UCSC000370  Rubus leucodermis I. J. Condit 2009-8-23 s.n. Siskiyou near Sisson Sisson - Castle Lake 1829 Comment
  UC12967  Rubus parviflorus Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
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Jun 8 2009
  CAS-BOT-BC363173  Rudbeckia californica Alice Eastwood 1912-8-30 2047 Siskiyou Mount Eddy Comment
  CHSC91779  Rumex acetosella G. F. Hrusa 2001-6-6 15845 Siskiyou Siskiyou Mountains. Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. Roadside. UTM: 10S, 4649821 N, 0456023 E. 1424 Comment
  CAS-BOT-BC433407  Rumex crispus L. R. Short 1933-6-16 50 Siskiyou Klamath National Forest. Klamath River 609 Comment
  CAS-BOT-BC433709  Rumex occidentalis Geo. D. Butler 1909-6-5 971 Siskiyou Yreka Creek Comment
  CAS-BOT-BC103543  Salix commutata Gilbert Muth 1965-8-5 s.n. Siskiyou Along trail behind Blk. Mt. Comment
  CAS-BOT-BC103548  Salix commutata Alice Eastwood 1921-7-29 10970 Siskiyou Medicine Lake Comment
  JEPS84288  Salix eastwoodiae L. R. Heckard with J. Hickman et al. 1986-7-17 6514 Siskiyou n slope Condrey Mt. 1960 Comment
  HSC43051  Salix exigua var. hindsiana Ken Stillman 1976-8-24 442 Siskiyou Along Klamath River at Williams Point. 366 Comment
  NY284098  Salix laevigata var. angustifolia E. L. Greene 795 Siskiyou Near Yreka Comment
  HSC69545  Salix lasiandra Maralyn A. Renner 1980-8-6 2237 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  CAS-BOT-BC125468  Salix lasiandra var. lasiandra W. B. Cooke; V. G. Cooke 1977-9-22 54823 Siskiyou Near Deter Camp, Mt. Shasta Comment
  CAS-BOT-BC107063  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 419 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1425 Comment
  CAS-BOT-BC107068  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 410 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1425 Comment
  HSC69187  Salix lasiolepis Maralyn A. Renner 1980-8-31 2631 Siskiyou Twin Valley. 1494 Comment
  POM107144  Salix lasiolepis Geo. D. Butler 1909-9-20 1083 Siskiyou Yreka Creek. Comment
  POM107149  Salix lasiolepis Geo. D. Butler 1909-3-14 1080 Siskiyou Yreka Creek. Comment
  UC481719  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou creek side about 300 m below Dobkin Lake (n side of mt., about 21 km nw of Shasta City); Mt. Eddy 1650 Comment
  POM219905  Salix lemmonii H. P. Bracelin 1931-6-21 467 Siskiyou N side of Mount Eddy. About 21 km NW of Shasta City. 180 m below Dobkin's Lake. 1770 Comment
  RSA237997  Salix lemmonii Frederick W. Oettinger 1969-7-18 1060 Siskiyou E side of Upper English Lake. Salmon Mtns. High Lake Basins in the Vicinity of English Peak. Marble Mtn Wilderness Area. 1890 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-BC129030  Salix scouleriana A. A. Heller 1915-7-18 12130 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in moist soil in the forest. 1188 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
  UC576385  Salix scouleriana Mrs. H. P. Bracelin 1936-9-3 856 Siskiyou 11 mi. n.w. Mt. Shasta City (ca. 2 mi. e. of Burney Mill, flat beside creek - second bridge, n. base Mt. Eddy); Mt. Eddy 1127 Comment
  UCR142839  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou East side of Mount Eddy, about 17 km. northwest of Shasta City, Wagon Creek Canyon c. 1 km up from Metcalf ranch house 1170 Comment
  UC198727  Salix sitchensis Annie M. Alexander and L. Kellogg 1911-6-23 180 Siskiyou Jackson Lake 1798 Comment
  HSC27227  Salsola tragus J. P. Smith, J. O. Sawyer 1971-9-18 4800 Siskiyou Hwy. 3, between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  HSC4806  Salsola tragus R. C. Wunner 1965-7-21 407 Siskiyou Lava Beds National Monument, near Captain Jack's Stronghold. 1220 Comment
  SBBG30559  Salvia dorrii var. dorrii D. Myrick 1968-6-22 1986 Siskiyou Lava Beds Nat Monument 1371 Comment
  CAS-BOT-BC238876  Sambucus nigra subsp. caerulea Alice Eastwood 1921-7-31 11017 Siskiyou Shasta Springs Comment
  CAS-BOT-BC238880  Sambucus nigra subsp. caerulea Doris K. Kildale 1929-8-24 9067 Siskiyou Rattlesnake Meadow, near Preston Peak 1676 Comment
  HSC65135  Sambucus nigra subsp. caerulea J. P. Smith, Steve Selva 1970-7-15 4347 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  UC13054  Sanguisorba annua W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson , Sisson (Mount Shasta) Comment
  UC585155  Sanicula graveolens E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2004 Siskiyou about 1 1/2 mi w of Mount Shasta (above Sulloway Creek, Rainbow Ridge); Rainbow Ridge 1188 Comment
  JEPS1005  Sanicula graveolens Geo. D. Butler 1909-4-18 623 Siskiyou Humbug Divide Comment
  RSA576938  Saponaria officinalis L. C. Wheeler 1934-9-16 3267 Siskiyou Walker, Klamath River; Siskiyou Mts. 518 Comment
  UCSB71660  Saponaria officinalis Myrick, Donald 1964-7-25 Siskiyou Near Shasta Royal Inn, Dunsmuir 762 Comment
  JEPS62808  Satureja douglasii Duncan Dunning 1923-6-16 Siskiyou Happy Camp Klamath (nw Siskiyou Co.) Comment
  RSA215597  Saxifraga aprica Gilbert Muth 1969-8-10 1323 Siskiyou Ridge W of Boulder Peak. 2287 Comment
  SEINET10871268  Saxifraga bryophora Mary Susan Taylor 1980-7-8 Taylor 3095 Siskiyou T39N R5W south center sec 19, Dunsmuir quad; Shasta-Trinity Natl Forest; S end of Little Castle Lake, in steep granitic cliffs. 1768 Comment
  RSA29832  Saxifraga ferruginea Louis C. Wheeler 1934-8-15 3147 Siskiyou Johnson s Dairy. (Mt. Diablo Mer.) 1707 Comment
  JEPS89175  Saxifraga integrifolia Gilbert Muth 1966-7-8 475 Siskiyou n side of Black Mountain (Marble Mountain Wilderness Area); , Black Mountain 2057 Comment
  RSA120760  Saxifraga nidifica var. nidifica S. S. Tillett 1956-7-9 646 Siskiyou Scott Mtn, Siskiyou-Trinity County line, 8 miles SE of Callahan. 1921 Comment
  HSC69118  Saxifragopsis fragarioides Maralyn A. Renner 1980-8-7 2390 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  CAS-BOT-BC110853  Scirpus congdonii Alice Eastwood 1921-7-24 10765 Siskiyou Castle Lake Comment
  HSC19543  Scirpus congdonii J. O. Sawyer 1969-7-18 1412 Siskiyou Head of S Russian Creek 1829 Comment
  HSC39806  Scirpus congdonii J. O. Sawyer 1969-7-18 1411 Siskiyou Head of S Russian Creek 1829 Comment
  CHSC75723  Scutellaria antirrhinoides Vernon H. Oswald; Lowell Ahart 1999-7-5 9823 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southwest of Gazelle-Callahan Hwy., 0.6 mi northwest of the highway summit. 1569 Comment
  UC163835  Scutellaria antirrhinoides Geo. D. Butler 1910-7-9 1690 Siskiyou Shackleford Creek 1219 Comment
  HSC82524  Scutellaria antirrhinoides Thomas W. Nelson, Jane P. Nelson 1980-7-20 6177 Siskiyou Hillside above Big Carmen Lake 1738 Comment
  OBI55456  Scutellaria antirrhinoides David J. Keil, Kathleen Keil 1992-7-21 23548 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08, 4.2 mi W of Scott Mtn rd (hwy 3) Comment
  UC164121  Scutellaria siphocampyloides Geo. D. Butler 1909-6-20 939 Siskiyou near Yreka Comment
  CAS-BOT-BC61459  Sedum lanceolatum K. T. Stillman 1976-6-25 106 Siskiyou Scott Bar quad. Marble Mountain Wilderness Area. 2072 Comment
  HSC59373  Sedum lanceolatum Thomas W. Nelson, J. P. Smith 1979-6-15 4808 Siskiyou Above road to Carmen Lake, 0.6 mi. from junction with State Rte. 3 1738 Comment
  CAS-BOT-BC63877  Sedum laxum subsp. heckneri Alice Eastwood; Thomas Howell 1937-6-26 5056 Siskiyou 4 miles east of Forks of Salmon, Comment
  JEPS26913  Sedum laxum subsp. heckneri P. C. Hutchison 1961-5-22 2036 Siskiyou 5.7 mi s Happy Camp (2.7 mi n of Clear Creek on highway US299, w side of Klamath River); w side Klamath River, n of Clear Creek, s of Happy Camp Comment
  JEPS84101  Sedum obtusatum L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6320 Siskiyou ca 1/2 air mi from Red Butte (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass, eastern slopes); 1/2 air mi from Red Butte, nne of Seiad Valley 1750 Comment
  JEPS28951  Sedum obtusatum subsp. boreale Wayne Roderick Siskiyou Walker on the Upper Klamath River; upper Klamath River, Walker 464 Comment
  UC830962  Sedum obtusatum subsp. boreale John Thomas Howell 1939-8-2 14905 Siskiyou Marble Mts. , Spirit Lake (Spirit Lake) Comment
  HSC74917  Sedum obtusatum subsp. retusum J. P. Smith, Jennifer Whipple 1978-7-2 9968 Siskiyou Klamath National Forest, ridge trail E of Cook and Green Pass 1341 Comment
  CAS-BOT-BC94958  Sedum oregonense R. C. Wenk 2005-7-15 214 Siskiyou Trinity Alps, above South Fork of Salmon River, along Yellow Rose Mine Trail, N along ridge toward Preacher's Peak 2133 Comment
  JEPS121416  Sedum radiatum subsp. depauperatum Peter F. Zika 2011-7-19 25645 Siskiyou Forest Service Road 1055, 5.9 road miles S of and above junction with Road 1050, 1 air mile SSE of Windy Peak, Siskiyou Mountains Comment
  UC1015300  Sedum spathulifolium C. R. Bell 1951-4-21 1107 Siskiyou 10 mi w Happy Camp; 10 mi w of Happy Camp Comment
  UCSB25866  Sedum stenopetalum Keefe, Joseph 1967-7-11 Siskiyou On trail, 0.5 mile east of Cook and Green Pass, north of Seida Valley 1676 Comment
  POM210934  Selaginella wallacei Louis Cutter Wheeler 1934-8-15 3158 Siskiyou East Fork Horse Creek, Siskiyou Mtns. (Mt Diablo Mer) 1524 Comment
  UCD135525  Senecio aronicoides R. Tofsrud; J. M. Tucker 1948-8-2 1763 Siskiyou Panther Meadows, south slope of Mt. Shasta. 2407 Comment
  RSA14499  Senecio canus Elmer I. Applegate 1923-8-18 3868 Siskiyou Top of Redshale Mountain, east of Medicine Lake. 2439 Comment
  CAS-BOT-BC363937  Senecio integerrimus var. exaltatus Geo. D. Butler 1910-5-10 1323 Siskiyou Goosenest foothills 1676 Comment
  SD52959  Senecio integerrimus var. exaltatus Peter H. Raven 1962-5-30 17899 Siskiyou U. S. Highway 97, 12.3 miles south of Macdoel. Comment
  HSC22202  Senecio integerrimus var. major J. O. Sawyer 1968-7-9 417 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  RSA0125067  Senecio integerrimus var. ochroleucus George D. Butler 1910-5-1 1263 Siskiyou Huckberry Mountain. 1219 Comment
  RSA94751  Senecio streptanthifolius F. W. Peirson 1923-7-19 3922 Siskiyou Lairds Landing Comment
  CAS-BOT-BC364442  Senecio triangularis Doris K. Kildale 1928-7-2 5402 Siskiyou Salmon Summit, via Horn Creek trail Comment
  CAS-BOT-BC364445  Senecio triangularis Doris K. Kildale 1929-7-20 8707 Siskiyou Raspberry Lake, upper South Fork of Indian Creek 1828 Comment
  HSC96289  Senecio triangularis Gordon Leppig 1998-8-14 1010 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  UC618693  Senecio triangularis W. Bridge Cooke 1938-9-8 11678 Siskiyou along the creek and lower meadow below the middle meadow Panther Creek Meadow (Mount Shasta); , Panther Creek Meadow 2286 Comment
  UC832210  Sericocarpus oregonensis subsp. oregonensis Alice Eastwood 1912-8-28 1941 Siskiyou Cantara Comment
  CHSC99695  Sibbaldia procumbens L. P. Janeway 2008-7-24 9473 Siskiyou Klamath Ranges. Siskiyou Mountains; at end of short spur road into top of Alex Hole; 1.0 km east-southeast of Condrey Mountain. 1975 Comment
  SBBG27378  Sibbaldia procumbens L. C. Wheeler 1934-8-2 3018 Siskiyou Alex Hole, Alex Cyn 1889 Comment
  UC618835  Sibbaldia procumbens unknown 1938-8-18 11480 Siskiyou above Horse Camp (on the Summit Trail, Horse Camp Springs); Horse Camp Springs Comment
  HSC29396  Sibbaldia procumbens Frederick W. Oettinger 1968-8-23 607 Siskiyou Salmon Mountains: the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness area; near Diamond Lake 2073 Comment
  RSA233678  Sibbaldia procumbens Robert F. Thorne, F. Oettinger 1969-8-10 38965 Siskiyou S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  CAS-BOT-BC213142  Sidalcea Margaret M. Hanna 1956-6-2 s.n. Siskiyou 6 mi. E of Redding, Hiway 299 Comment
  SEINET11982181  Sidalcea malviflora M. Ownbey, Meyer, F. G. 1940-1 2227 Siskiyou summit of Siskiyou Mountains, 21 mi N of Happy Camp Comment
  UC705503  Sidalcea malviflora subsp. asprella Marion Ownbey, Fred G. Meyer 1940-7-8 2227 Siskiyou 21 mi n Happy Camp (summit of Siskiyou Mountains); , n of Happy Camp Comment
  RSA88001  Sidalcea malviflora subsp. asprella C. L. Hitchcock 1952-6-30 19642 Siskiyou 11 miles north of happy Camp on road to Waldo. Comment
  CHSC1058  Sidalcea oregana 1936-7-3 Siskiyou Mt. Shasta City. 1097 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
  JEPS125970  Sidalcea oregana subsp. oregana D. W. Taylor 1999-8-12 17317 Siskiyou Mill Creek headwaters, Marble Mountains, ca 4 mi W of Mugginsville, Quartz Valley Comment
  JEPS67292  Sidalcea oregana subsp. oregana W. L. Jepson 1940-6-28 20062 Siskiyou McCloud 975 Comment
  RSA120756  Sidalcea oregana subsp. spicata S. S. Tillett 1956-7-9 674 Siskiyou In meadow on N. side of Scott Mtn. divide, headwaters of Mule Creek, Siskiyou-Trinity cos. line, ca 8 miles SE of Calahan 1616 Comment
  UC609326  Sidalcea setosa Eleanor Burks Hart 1938-8-18 911 Siskiyou above Big Meadow; above Big Meadow 2194 Comment
  CAS-BOT-BC181197  Silene campanulata subsp. glandulosa L. B. Kildale 1930-6-1 9778 Siskiyou Black Bear Trail to Sawyers Bar Comment
  POM100902  Silene campanulata subsp. greenei Geo. D. Butler 1909-7-15 962 Siskiyou Russian Creek. 1829 Comment
  POM267218  Silene campanulata subsp. greenei Marion Ownbey, Fred G. Meyer 1940-7-6 2199 Siskiyou Summit of Cayenne Ridge, Marble Mountain Comment
  SEINET182278  Silene douglasii L. C. Wheeler 1935-6-27 3602 Siskiyou Head Etna Creek Marble Mountains. 1798 Comment
  CAS-BOT-BC389434  Silene lemmonii H. A. Thomas; J. H. Thomas 1954-7-21 4426 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1219 Comment
  CAS-BOT-BC389424  Silene lemmonii A. A. Heller 1905-6-15 8036 Siskiyou On the first ridge west of and near Sisson Comment
  HSC99987  Silene lemmonii Thomas W. Nelson 2005-7-16 9379 Siskiyou Along F. S. Rd. 42N16. 1337 Comment
  CAS-BOT-BC389534  Silene menziesii David D. Keck 1938-8-7 4853 Siskiyou Scott Mountain Lodge, 2 mi. E. of Callahan, on E. Fork of Scott River at junction with Mill Creek 1000 Comment
  CAS-BOT-BC75158  Sisymbrium altissimum L. B. Kildale 1930-5-31 9812 Siskiyou Island in Klamath River near Camp Lowe. Comment
  UC429226  Sisyrinchium bellum Annie M. Alexander and L. Kellogg 1911-7-16 250 Siskiyou South Fork of Salmon River Comment
  UC166216  Sisyrinchium idahoense Geo. D. Butler 1910-6-6 1556 Siskiyou Quartz Valley Comment
  HSC78187  Sisyrinchium idahoense var. idahoense L. P. Janeway 1983-8-6 508 Siskiyou At Poker Flat, E side of meadow 1524 Comment
  POM126716  Solanum Milo S. Baker 1898-08 496 Siskiyou Medicine Lake Mtns at Devil's Gate. Comment
  CDA34724  Solanum dulcamara L. Ahart, John Dittes 2010-7-3 16939 Siskiyou Along the south edge of the Shasta River, about 100 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. Comment
  HSC30794  Solanum parishii Arthur R. Kruckeberg 1972-6-10 6217 Siskiyou 3-4 mi. S of Cook and Green Pass Comment
  UCR19715  Solanum physalifolium var. nitidibaccatum John C. Roos 1948-9-1 3988 Siskiyou Ft. Jones 838 Comment
  RSA14375  Solanum umbelliferum Elmer I. Applegate 1898-5-15 2137 Siskiyou Klamath River, between Shovel Creek and Fall Creek 793 Comment
  SEINET5760795  Solanum umbelliferum Joseph P. Tracy 1950-7-20 19214 Siskiyou About 8 miles SE of Flint Valley, on road to New Orleans Comment
  SEINET12765229  Solidago californica Vernon Oswald, Lowell Ahart 1997-7-28 8791 Siskiyou Southeast of Medicine Lake at Paynes Springs.; 0 1981 Comment
  CAS-BOT-BC365562  Solidago elongata Nora Pettibone 1894-8-11 s.n. Siskiyou Upper Soda Springs Comment
  HSC46879  Solidago elongata William J. Ferlatte 1976-9-22 1863 Siskiyou Above Yellow Rose Mine Trail on W side of Grouse Ridge ca. 1 mi. from Big Flat 1770 Comment
  HSC72358  Solidago elongata J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8980 Siskiyou 1/5 mi. W of S.R. 3 on Road 8 671 Comment
  SBBG25842  Solidago elongata D. Myrick 1966-8-11 1531 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  UCD78006  Solidago elongata Robert E. Preston 2002-7-14 1937 Siskiyou Klamath National Forest, N slope of Rainbow Mountain 1877 Comment
  HSC29093  Solidago multiradiata Frederick W. Oettinger 1968-9-5 706 Siskiyou High Lake Basins near English Peak; Marble Mountain Wilderness Area: English Lake Basin 1898 Comment
  UCD136123  Sonchus arvensis T. C. Fuller 1963-8-27 11162 -a Siskiyou south side of Dorris-Tulelake Road where the roadbed forms the north shore of Lower Klamath Lake, Lower Klamath Lake Wildlife Refuge. Around 12 miles west of Hatfield. Comment
  CHSC91245  Sonchus asper subsp. asper Lowell Ahart; John Dittes 2005-6-10 12117 Siskiyou At 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
  RSA142661  Sorbus californica Al Hobart 1961-7-13 3 Siskiyou Mt. Preston. 1829 Comment
  UC642589  Sorbus californica W. B. Cooke 1939-6-30 13576 Siskiyou along Sisson Southern Trail; Mount Shasta 1981 Comment
  HSC29471  Sorbus scopulina Frederick W. Oettinger 1969-8-25 1556 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mtn. Wilderness Area; Little N Fork stream along new trail from end of logging road to Devils Canyon trail 1220 Comment
  HSC29505  Sorbus scopulina Frederick W. Oettinger 1969-9-5 1674 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: Upper English Lake 1921 Comment
  RSA145150  Sparganium angustifolium Dorothy Parker 1960-9-10 791 Siskiyou Trail to Gulch Lake, Salmon Mountains. 2012 Comment
  SEINET3837389  Sparganium angustifolium Unknown 1939-8-20 1464 Siskiyou Northwest end of Talor Lake, 12 miles southwest of Etna, Salmon Mountains, 2027 Comment
  HSC83919  Sparganium emersum K. Berg, Stephanie Bennett 1986-8-25 651 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  UC164074  Spiraea densiflora Geo. D. Butler 1910-7-9 1710 Siskiyou Wooley Creek 1676 Comment
  HSC64781  Spiraea douglasii J. P. Smith, Steve Selva 1970-7-17 4445 Siskiyou 915 Comment
  CAS-BOT-BC152552  Spiraea splendens A. A. Heller 1916-7-22 12484 Siskiyou East side of Mt. Eddy 1676 Comment
  RSA45336  Spiranthes porrifolia Dorothy Parker 1947-7-13 203 Siskiyou Plowmans Valley. Comment
  JEPS95522  Spiranthes romanzoffiana Vernon H. Oswald 1994-8-10 6461 Siskiyou T40N R2E SW1/4 NW1/4 Sec. 18, 4460 ft, Yellow Pine Forest. FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi W of Harris Spring Rd. (FS15), ca. 4 mi (air) NNE of Bartle 1359 Comment
  JEPS74519  Stachys ajugoides var. rigida W. J. Ferlatte 1966-8-3 288 Siskiyou Josephine Lake Trinity Alps, Josephine Lake Basin 1676 Comment
  UCLA70897  Stachys ajugoides var. rigida W. Bridge Cooke 1940-6-20 15169 Siskiyou below Hornbrook (near the Pacific Highway); Klamath River Comment
  HSC2385  Stachys rigida William J. Ferlatte 1966-8-19 439 Siskiyou Kidd Creek Trail. 1707 Comment
  RSA11896  Stellaria longipes Elmer I. Applegate 1923-8-17 3839 Siskiyou Medicine Lake. Comment
  UC375264  Stellaria nitens Geo. D. Butler 1909-4-25 618 Siskiyou Quartz Valley Comment
  SEINET3155908  Stellaria nitens G. D. Butler 1909-3-16 581 Siskiyou Butlers Ranch Comment
  CHSC99976  Stenanthium occidentale L. P. Janeway 2008-7-25 9493 Siskiyou Klamath Ranges. Siskiyou Mountains; at Horsetail Falls, along Road 48N20, along upper eastern fork of East Fork Seiad Creek. 1237 Comment
  POM210939  Stenanthium occidentale Louis C. Wheeler 1934-8-17 3181 Siskiyou Siskiyou Mts. North side White Mt. 1829 Comment
  SBBG21770  Stephanomeria lactucina D. Myrick 1964-7-25 945 Siskiyou Shasta Ski Bowl Hwy, Mt Shasta 1219 Comment
  UC618702  Stephanomeria paniculata unknown 1938-7-22 11316 Siskiyou Sisson Southern Trail Mount Shasta 1219 Comment
  HSC46172  Stephanomeria virgata Jennifer Whipple 1978-8-15 2369 Siskiyou Scott Valley near Weston Gulch 854 Comment
  HSC6234  Stephanomeria virgata R. C. Wunner 1965-9-8 511 Siskiyou California Lava Beds National Monument; 0.1 mi. on Rd. to Caldwell Ice Cave 1372 Comment
  SEINET10603910  Stipa nelsonii Lawrence P. Janeway 1983-8-26 Janeway 606 Siskiyou Preston Peak quad (15'). At Poker Flat, a meadow in a fir forest. Mostly open, gravelly, dry ground on upper side of road on the North side of the meadow. 1524 Comment
  HSC101541  Stipa thurberiana J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 12994 Siskiyou Gazelle-Callahan Road. 1233 Comment
  HSC97163  Stipa thurberiana L. Ahart 2005-6-9 12027 Siskiyou 3/5 mi. S of Hwy. 99/97 cutoff, 2 1/2 mi. ESE of Grenada 775 Comment
  CAS-BOT-BC87846  Streptanthus tortuosus John Thomas Howell 1937-7-24 13385 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC87856  Streptanthus tortuosus Reed Rollins 1938-8-21 11555 Siskiyou Mount Shasta. Above Horse Camp and around the Horse Camp fountain overflow. 2438 Comment
  CAS-BOT-BC87865  Streptanthus tortuosus Margaret M. Hanna 1956-6-6 s.n. Siskiyou Glass Mountain. 2316 Comment
  RSA183658  Streptanthus tortuosus Gilbert Muth 1965-8-5 171 Siskiyou On trail to Black Mtn, Marble Mtns. Comment
  JEPS54015  Streptanthus tortuosus var. tortuosus W. L. Jepson 2862 Siskiyou near Cottage Grove; Klamath River Comment
  CDA39710  Swertia albicaulis D. Janssen & F. D. Horn 1978-5-15 s.n. Siskiyou Hotlum Road, approximately 5 km northeast of Weed. 0 Comment
  JEPS105228  Swertia albicaulis var. albicaulis Dean W. Taylor 1995-6-25 15115 Siskiyou Highway 3 at Soap Creek Summit (ca. 6 miles West of Yreka) 1280 Comment
  CAS-BOT-BC245850  Symphoricarpos Doris K. Kildale 1928-7-2 5384 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  RSA68908  Symphoricarpos acutus A. E. Culbertson 1943-7-17 50 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall, 14 miles SW of Mt Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  JEPS95607  Symphoricarpos albus var. laevigatus Vernon H. Oswald and L. Ahart 1994-8-10 6460 Siskiyou T40N R2E SW1/4 NW1/4 Sec. 18, 4460 ft, Yellow Pine Forest. FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi W of Harris Spring Rd. (FS15), ca. 4 mi (air) NNE of Bartle 1359 Comment
  HSC18883  Symphoricarpos mollis J. O. Sawyer 1968-9-10 680 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  HSC18986  Symphoricarpos mollis J. O. Sawyer 1969-8-5 1947 Siskiyou Along Sugar Creek. 1921 Comment
  HSC42921  Symphoricarpos mollis Ken Stillman 1976-8-31 464 Siskiyou Along the Klamath River at Williams Point. 366 Comment
  HSC91430  Symphoricarpos rotundifolius var. rotundifolius Jennifer Whipple 1976-7-13 1458 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River. 2256 Comment
  JEPS40764  Symphyotrichum bracteolatum Geo. D. Butler 1910-8-13 1828 Siskiyou Oro Fino Comment
  CAS-BOT-BC97617  Symphyotrichum campestre Geo. D. Butler 1910-9-11 1870 Siskiyou Dampland Edgewood Comment
  UC60978  Symphyotrichum foliaceum Geo. B. Grant 1902-1 5186 Siskiyou Mt. Shasta 609 Comment
  CAS-BOT-BC98941  Symphyotrichum foliaceum var. parryi John Thomas Howell 1939-8-7 15133 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  UC75826  Symphyotrichum spathulatum Milo S. Baker 1898-8-22 Siskiyou Bear Valley Mts. along stream Bear Valley Mts. Comment
  HSC32595  Taxus brevifolia Steven Lagos 1974-5-26 86 Siskiyou Duck Lake Creek drainage, Bulk Collection # 60 1463 Comment
  UC903493  Taxus brevifolia Dorothy Parker 1945-4-30 Siskiyou along banks Kidder Creek (Scott Valley); , along banks of Kidder Creek 853 Comment
  HSC20424  Tellima grandiflora Geo. D. Butler 1909-7-15 896 Siskiyou Highland Mine Comment
  CAS-BOT-BC447417  Tellima grandiflora Annie M. Alexander; Louise Kellogg 1920-5-1 s.n. Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  RSA184727  Tellima grandiflora Gilbert Muth 1966-7-19 429 Siskiyou Marble Gap Trail. Along first bluff. Marble Mountains. 1829 Comment
  UC375277  Thalictrum fendleri Geo. D. Butler 1910-7-8 1672 Siskiyou Shackelford Creek Comment
  RSA114965  Thelypodium brachycarpum E. K. Balls, Lee W. Lenz 1956-6-18 21721 Siskiyou 5.7 miles SE of Gazelle, Hwy 99, Eureka to Dunsmuir. 884 Comment
  UC166163  Thelypodium brachycarpum Geo. D. Butler 1910-8-21 1850 Siskiyou Shasta Valley Comment
  SBBG56282  Thelypteris nevadensis A. Lefebure 1941-10-11 Siskiyou E fork Horse Crk Comment
  UC857500  Thlaspi montanum var. montanum Alice Eastwood 1912-7-23 1330 Siskiyou Cantara Comment
  HSC64117  Thysanocarpus curvipes J. P. Smith 1973-5-5 6540 Siskiyou Scott Bar along the Scott River Comment
  UC530060  Tiarella trifoliata var. unifoliata Louis C. Wheeler 1934-8-20 3196 Siskiyou West Fork Beaver Creek; Siskiyou Mts., West Fork Beaver Creek 1066 Comment
  RSA275403  Tofieldia glutinosa subsp. occidentalis J. P. Smith, Steve Selva 1970-7-18 4481 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  OBI81674  Torilis arvensis Tracey Call, Viola Call 1964-6-22 2277 Siskiyou Near Klamath river 1/4 mile east of mouth of Beaver Creek Comment
  UCD93215  Torreyochloa pallida var. pauciflora A. H. Murphy 1955-5-29 55 U Siskiyou Klamath National Forest. Marble Mountains. Clear Lake. 1798 Comment
  SEINET5357974  Torreyochloa pauciflora E. Palmer 1892-1 2615 Siskiyou Near Mt. Shasta Comment
  RSA256613  Tragopogon dubius J. P. Smith 1974-5-27 7614 Siskiyou Along Forest Sevice Road 47N03. 1280 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
  RSA625170  Trautvetteria caroliniensis var. occidentalis Louis C. Wheeler 1963-8-28 8289 Siskiyou Siskiyou Mountains: Clear Creek ca. 1 mile downstream from West Fork. 640 Comment
  HSC788  Triantha occidentalis subsp. occidentalis William J. Ferlatte 1966-8-16 369 Siskiyou Big Flat, between campground and S Fork of the Salmon River. 1524 Comment
  HSC14451  Trichostema lanceolatum C. B. Wolf 1927-8-26 1041 Siskiyou Along Klamath River, 4 mi. N of Gottville Comment
  HSC14463  Trichostema simulatum Jerry Parker 1968-10-6 126 Siskiyou Scott Mtn. Rd. Comment
  UC909321  Trifolium albopurpureum var. dichotomum Dorothy Parker 1948-5-25 Siskiyou near Callahan 975 Comment
  CAS-BOT-BC219040  Trifolium howellii Gilbert Muth 1966-7-24 445 Siskiyou Marble Valley, along creek 1792 Comment
  UC1223368  Trifolium howellii Joseph P. Tracy 1951-6-6 19467 Siskiyou n Summit crossing (on the Takilma-Happy Camp Rd); Siskiyou Mtns Comment
  POM28044  Trifolium howellii Geo D. Butler 1910-7-9 1689 Siskiyou Shackleford Creek. 1220 Comment
  HSC1  Trifolium longipes William J. Ferlatte 1966-6-23 130 Siskiyou Yellow Rose Mine 1982 Comment
  HSC69178  Trifolium longipes Maralyn A. Renner 1980-8-6 2337 Siskiyou Cracker Meadow 1555 Comment
  RSA237890  Trifolium longipes subsp. elmeri Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1298 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
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Dec 10 2015
  CHSC977  Trifolium longipes subsp. hansenii E. England 1939-6-30 Siskiyou Mt. Eddy. 1828 Comment
  UC1005586  Trifolium macrocephalum Frank W. Gould 1940-5-14 1236 Siskiyou Bull Meadows Goosenest Mountain 1524 Comment
  UC1045249  Trifolium pratense W. B. Cooke 1940-7-5 15235 Siskiyou Bear Springs meadow Mount Shasta 1524 Comment
  HSC71541  Trifolium pratense J. P. Smith, Steve Selva 1970-6-15 3894 Siskiyou Oak Bottom Campground near Somes Bar. 229 Comment
  JEPS75360  Trifolium variegatum Geo. D. Butler 1909-6-5 797 Siskiyou near Yreka (McNutty's field) Comment
  HSC101737  Trifolium willdenovii J. P. Smith, J. O. Sawyer 2010-5-2 12796 Siskiyou River access road, on the Salmon River. 164 Comment
  POM109157  Trillium albidum Geo D. Butler 1910-4-3 1168 Siskiyou Humbug Creek. Comment
  CAS-BOT-BC133471  Trillium ovatum Philip A. Munz 1952-7-2 17889 Siskiyou Road to Baldy Mt. northwest of Happy Camp, Siskiyou Mts. 1524 Comment
  UC1713746  Trillium ovatum subsp. oettingeri Maralyn A. Renner 1980-7-16 1782 Siskiyou Klamath Nat'l forest, Sawyers Bar Quad., Hancock Lake inlet 1950 Comment
  HSC41816  Trisetum spicatum Robert Wharton 1977-8-20 Siskiyou Along E slope of Mt. Shasta at Wintun Glacier along ridge between Ash & Brewer Creeks 3354 Comment
  RSA233685  Trisetum spicatum R. F. Thorne, Frederick W. Oettinger 1969-8-10 38957 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  UCD93711  Trisetum spicatum A. A. Heller 1914-8-28 11735 Siskiyou East side of Mt. Eddy. 2438 Comment
  CAS-BOT-BC133482  Triteleia crocea L. B. Kildale 1930-6-1 9831 Siskiyou Mill Creek near Etna Mills Comment
  CAS-BOT-BC133485  Triteleia crocea Marion Ownbey; D. H. Brown 1941-6-22 2419 Siskiyou Just south of Craggy Mountain, northwest of Yreka Comment
  CAS-BOT-BC133493  Triteleia crocea Marion Ownbey; D. H. Brown 1941-6-22 2419 Siskiyou Just south of Craggy Mountain, northwest of Yreka Comment
  UC765405  Triteleia crocea var. modesta W. Bridge Cooke 1940-6-6 15076 Siskiyou in moist places along Castle Lake road Comment
  HSC30441  Triteleia hyacinthina Frederick W. Oettinger 1969-8-18 1415 Siskiyou Marble Mtn. Wilderness Area, trail to Horse Range Lake 1768 Comment
  CAS-BOT-BC524311  Triteleia ixioides subsp. anilina Alice Eastwood 1923-5-27 s. n. Siskiyou Shasta Springs Comment
  LA21975  Triteleia ixioides subsp. anilina Mary V. Hood; 1940-6-6 15083 Siskiyou Klamath Mountains, Castle Lake Road Comment
  RSA167136  Tsuga mertensiana J. M. Tucker 1963-7-8 3734 Siskiyou East side of Black Mountain, ca. 1 mile north of Marble Valley, Marble Mountain Wilderness Area. 1982 Comment
  RSA237584  Tsuga mertensiana Frederick W. Oettinger 1968-9-2 669 Siskiyou To the east of the inlet brook to Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  SD88529  Turritis glabra Darley F. Howe 1972-7-6 Siskiyou 1.3 miles south of Oregon State Line on road to Happy Camp 1645 Comment
  UCD77352  Turritis glabra Robert E. Preston 2001-7-20 1698 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, north slope of Rainbow Mountain, N of Hemlock Lake. 1676 Comment
  HSC67617  Typha latifolia J. P. Smith, Steve Selva 1970-8-7 4540 Siskiyou Jct. I-5 and Stewart Creek Rd. Comment
  JEPS40107  Umbellularia californica Wm. C. Cusick 1902-7-31 2932 Siskiyou Siskiyou Mountains Comment
  SFV17864  Utricularia vulgaris J. D. Dilley 1998-7-13 361 Siskiyou Siskiyou Mountains Grass Lake by rest stom on Interstate Highway 97, 20 miles north of Weed. 1550 Comment
  CHSC88625  Vaccinium cespitosum Gail A. Newton; Steven Harris 1981-7-18 2254 Siskiyou Klamath National Forest. Near the Dillon Divide. 1609 Comment
  HSC19528  Vaccinium cespitosum J. O. Sawyer 1969-8-3 1728 Siskiyou W of Little Duck Lake 2195 Comment
  HSC91310  Vaccinium cespitosum Jennifer Whipple 1976-6-17 1023 Siskiyou Near Durney Lake 2073 Comment
  HSC98335  Vaccinium cespitosum J. O. Sawyer 1969-8-4 1854 Siskiyou Slope SW of Sugar Lake 2195 Comment
  SEINET3107072  Vaccinium cespitosum Steve Selva, Roger Jensen 1974-8-16 14 Siskiyou North shore of Sugar Lake. Comment
  SEINET11972188  Vaccinium cespitosum H. P. Chandler 1901-1 1617 Siskiyou near Marble Mountain, North Coast Ranges 2134 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
  CAS-BOT-BC199238  Vaccinium membranaceum Doris K. Kildale 1928-8-20 6582 Siskiyou Lily Pad Lake, near Hancock Lookout on trail to Marble Mt. Comment
  CHSC89004  Vaccinium membranaceum Gail A. Newton 1981-7-30 2338 Siskiyou Klamath National Forest. Near N. Fork of Dillon Cr. 1176 Comment
  HSC19362  Vaccinium membranaceum J. O. Sawyer 1968-7-2 376 Siskiyou Upper drainage of Joe Creek on steep N facing slopes. 1677 Comment
  HSC69742  Vaccinium parvifolium Maralyn A. Renner 1980-6-26 1274 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  CAS-BOT-BC199482  Vaccinium scoparium Doris K. Kildale 1928-8-19 6552 Siskiyou Hancock Lake on trail to Marble Mt. 2133 Comment
  CDA6694  Valerianella locusta G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2585 Siskiyou Between Old Highway 99 and railroad at Truttman Lane, 3.2 km south of Grenada. Comment
  RSA715770  Valerianella locusta L. Ahart, John Dittes 2005-6-10 12119 Siskiyou End of Salvadori Road, Nelson Ranch, about 1. 1/4 miles (air) south of Highway 99/97 Cutoff, about 5 1/4 miles (air) east-southeast of Grenada. 785 Comment
  JEPS83861  Vancouveria chrysantha Wayne Roderick July 1976 Siskiyou along trail to spring vicinity Cook and Green Pass (Siskiyou Mts.); , vicin Cook and Green Pass 1463 Comment
  UCR93345  Vancouveria hexandra Kathy Harper, D. Karr 1994-6-10 s.n. Siskiyou North Coast Range, Indian Creek Camp, 14.5 mi NW of Happy Camp along Indian Creek Road, off Hwy 96. Near campsites 7 to 9 610 Comment
  RSA69511  Veratrum californicum Frank W. Peirson 1923-7-20 3674 Siskiyou Just north of Sisson Comment
  UC61184  Veratrum californicum var. californicum W. A. Setchell, C. C. Dobie 1902-7-17 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC135747  Veratrum insolitum Ira L. Wiggins 1955-7-24 13484 Siskiyou Ridge between upper reaches of China Creek and Blind Horse Creek 1280 Comment
  RSA123556  Verbascum blattaria G. D. Barbe 1955-7-7 143 Siskiyou East side of Forest Camp. Etna. 884 Comment
  CAS-BOT-BC443955  Veronica copelandii Dana York 2012-7-21 3138 Siskiyou Klamath/Siskiyou Mts. Rogue River-Siskiyou National Forests, Siskiyou Mountains, Red Butte Wilderness, NE slope of Red Butte. 1925 Comment
  SEINET4938455  Veronica copelandii Copeland 1903-8-18 3931 Siskiyou Mt. Eddy [Plants of the Pacific Coast. Distributed by C.F. Baker] Comment
  SBBG7229  Veronica wormskjoldii H. and M. Dearing 1938-6-29 2192 Siskiyou Wagon Camp, Mt Shasta 1828 Comment
  HSC3  Veronica wormskjoldii William J. Ferlatte 1966-6-23 133 Siskiyou Yellow Rose Mine, below mine 1982 Comment
  CAS-BOT-BC419721  Vicia americana subsp. americana Julie Kierstead Nelson; Jordan Rainbow 2014-5-21 2014 -020 Siskiyou Forest Road 42N84 off Highway 97, north side of Mt. Shasta. 1088 Comment
  UC164014  Vicia americana var. americana Geo. D. Butler 1910-5-26 1411 Siskiyou Yreka Comment
  UC618757  Vicia americana var. americana unknown 1938-6-24 11083 Siskiyou MacBride Springs; Mount Shasta Comment
  UC867130  Vicia americana var. americana unknown 1941-7-11 16038 Siskiyou Memorial Highway; Mount Shasta Comment
  UC1733823  Viola Frank Gould, Kay Beach 1940-5-15 1239 Siskiyou Between Mt. Hebron and Montague Lower Bull Meadows Comment
  CAS-BOT-BC264060  Viola adunca Dorothy Parker 1945-6-18 94 Siskiyou Along Bear Creek 1828 Comment
  HSC19329  Viola glabella J. O. Sawyer 1969-7-11 852 Siskiyou Ravine above C.C.C. road. 1280 Comment
  UC1761657  Viola glabella Douglas Barbe 1955-6-27 1 Siskiyou 1.9 mi E of Callahan (S bank of Scott River); Klamath Mountains 975 Comment
  UCD110886  Viola glabella John M. Tucker 1963-7-7 3729 Siskiyou Marble Mountain Wilderness Area, Paradise Lake Public Camp, at base of Kings Castle on the east side. 1981 Comment
  CAS-BOT-BC536917  Viola glabella Geo. D. Butler 1910-4-24 1233 Siskiyou Edge of Shackleford Creek, Quartz Valley Comment
  SEINET215136 Image available Viola glabella J. M. Tucker 1963-7-7 3729 Siskiyou Paradise Lake Public Camp at base of Kings Castle on the east side Marble Mountain Wilderness Area 1981