Search Results — 2000 specimen records retrieved (1385 records with coordinates)
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA237423  Abies X shastensis Frederick W. Oettinger 1967-8-26 328 Siskiyou Top of English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  CAS-BOT-BC73505  Abies concolor Gilbert Muth 1965-7-29 313 Siskiyou Ridge near 4-corners. Comment
  HSC1338  Abies concolor R. C. Wunner 1965-8-14 430 Siskiyou Tichner Road 2 mi. SW of Mammoth Crater 1555 Comment
  HSC36700  Abies concolor Brent Whitely 1975-7-3 131 Siskiyou 1220 Comment
  UC618789  Abies concolor W. B. Cooke 1938-9-2 11599 Siskiyou along Sisson Southern Trail; Mount Shasta, Sisson Southern Trail 1524 Comment
  CAS-BOT-BC73511  Abies concolor Doris K. Kildale 1929-4-27 7481 Siskiyou Cecilville Comment
  CAS-BOT-BC78022  Abies grandis M. P. Anderson 1902-2-16 s.n. Siskiyou Ridge between Seiad and Hone Creek Comment
  CAS-BOT-BC78104  Abies magnifica John Thomas Howell 1937-7-26 13530 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  SBBG132985  Abies magnifica var. shastensis B. C. Templeton 1968-6-13 11332 Siskiyou near Panther Meadows, Mount Shasta, 2835 Comment
  JEPS42680  Acer glabrum Geo. D. Butler 1909-7-2 908 Siskiyou Highland Mine Comment
  RSA68864  Acer glabrum var. torreyi A. E. Culbertson 1943-6-23 92 Siskiyou Along east shore of Castle Lake, 14 miles southwest of Mt. Shasta, above Sacamento River within 10 miles of its headwaters to the west Comment
  CAS-BOT-BC332784  Acer macrophyllum L. R. Short 1933-6-16 46 Siskiyou Klamath Forest. 762 Comment
  CAS-BOT-BC332786  Acer macrophyllum Alice Eastwood 1923-5-29 12000 Siskiyou Cantara Comment
  RSA240066  Acer macrophyllum Frederick W. Oettinger 1969-8-25 1553 Siskiyou Little North Fork stream crossing along new trail that goes from the end of the logging road to the Devils Canyon Trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1220 Comment
  CAS-BOT-BC30428  Achillea millefolium John Thomas Howell 1937-7-23 13345 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC30448  Achillea millefolium Herbert L. Mason 1945-8-16 12659 Siskiyou Grizzly Island, near Suisun Bay Comment
  POM55385  Achillea millefolium E. B. Copeland 1903-7-4 3546 Siskiyou Klamathon. Comment
  RSA68926  Achillea millefolium A. E. Culbertson 1943-7-12 31 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
  HSC58837  Achlys triphylla Marvin Butler 1971-7-8 57 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  HSC68426  Achlys triphylla Maralyn A. Renner 1980-6-26 1219 Siskiyou SE edge of Flint Valley. 1390 Comment
  RSA78324  Achlys triphylla P. A. Munz 1952-7-1 17859 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 Comment
  UC149803  Achnatherum hymenoides H. M. Hall and E. B. Babcock June, 1903 4093 Siskiyou Little Shasta Valley Sierra Nevada Mountains, Mount Shasta 853 Comment
  UCD50794  Achnatherum nelsonii subsp. dorei Robert E. Preston 2001-6-23 1621 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn. 1706 Comment
  CAS-BOT-BC216927  Achnatherum occidentale Louis C. Wheeler 1934-6-11 2684 Siskiyou N Hungry Creek 1310 Comment
  JEPS57227  Achnatherum occidentale subsp. occidentale L. R. Heckard 1967-8-13 1712 Siskiyou summit region of Mt. Eddy Mt. Eddy 2743 Comment
  CHSC35551  Acmispon americanus var. americanus J. P. Smith; Steve Selva 1970-7-15 4351 Siskiyou Klamath Nat'l. Forest. Road to Happy Camp. 731 Comment
  CHSC93536  Acmispon brachycarpus Lowell Ahart; John Dittes 2005-6-10 12115 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
  CHSC96730  Aconitum columbianum Gordon Leppig; Jennifer Kalt 1996-7-9 370 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen. Subalpine fen in cirque west of Little Duck Lake. NAD 27 UTM Zone 10, 503813E, 4572466N. 2200 Comment
  UCD95288  Aconitum columbianum AHM 1957-7-23 57 M Siskiyou On the border of Trinity County. Deadfall creek Shasta National Forest (east base of Mt. Eddy). 2011 Comment
  CAS-BOT-BC391537  Aconitum columbianum subsp. columbianum John Thomas Howell 1937-7-22 13324 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC22297  Aconitum columbianum subsp. columbianum J. O. Sawyer 1969-8-5 1734 Siskiyou W of Little Duck Lake 2073 Comment
  CAS-BOT-BC391586  Aconitum columbianum subsp. viviparum John Thomas Howell 1939-8-7 15123 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  POM365584  Aconitum columbianum var. columbianum M. B. Dunkle 1944-7-1 9056 Siskiyou Siskiyou Natl. Forest 1829 Comment
  RSA183668  Aconitum columbianum var. columbianum Gilbert Muth 1965-8-16 220 Siskiyou Marble Valley, Marble Mts. Comment
  CAS-BOT-BC412920  Aconogonon davisiae Gilbert J. Muth 1969-8-6 1221 Siskiyou Boulder Peak Comment
  HSC17539  Aconogonon davisiae Geo. D. Butler 1908-8-5 187 Siskiyou Summit above Cold Spring, Wooly Creek 1829 Comment
  HSC76966  Aconogonon davisiae K. T. Stillman 1976-6-25 93 Siskiyou Marble Mtn. Wilderness Area, between Marble Gap and Elk Valley Trail Comment
  SJSU10647  Aconogonon newberryi C. L. Kline 1965-7-13 201 Siskiyou above Horse Camp on S slope Mt Shasta 2468 Comment
  UCD98556  Aconogonon newberryi Collector unknown Date unknown s.n. Siskiyou location unknown. Comment
  CHSC91539  Aconogonon phytolaccifolium G. F. Hrusa 2001-6-6 15852 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: 10T, 4649821 N, 0456023 E. 1424 Comment
  CDA6767  Acroptilon repens W. Martin 1968-8-19 Siskiyou Yreka City Corporation Yard. 0 Comment
  CAS-BOT-BC391705  Actaea rubra Doris K. Kildale 1928-8-18 6494 Siskiyou Near head of north fork of Salmon River at Finley's Upper Camp Comment
  CHSC1422  Actaea rubra V. Holt 1932-7-15 Siskiyou Castle Lake. 1981 Comment
  HSC22443  Adenocaulon bicolor J. O. Sawyer 1969-6-12 917 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  UC88424  Adenocaulon bicolor Dr. E. B. Copeland 1903-9-5 3925 Siskiyou at foot of mountain Mt. Eddy; Pacific Coast, Mt. Eddy 1188 Comment
  CHSC49  Adiantum aleuticum V. Holt 1932-7-24 Siskiyou Mt. Eddy. 1524 Comment
  CHSC71558  Adiantum aleuticum Vernon H. Oswald; Lowell Ahart 1998-8-3 9452 Siskiyou East end of Rock Fence Lake Rd. (USFS 41N18) in the Scott Mtns. East of Kangaroo Lake. 1920 Comment
  CDA43425  Aegilops cylindrica Dustin Johnson 2015-5-29 PDR# 470 P06027675 Siskiyou Vicinity of Montague. 0 Comment
  UC1408770  Agastache urticifolia Frederick W. Oettinger 1968-8-14 515 Siskiyou margins of Bear Meadow between English Peak and Tom Taylor Cabin (High Lake Basins in Vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1996 Comment
  UC637091  Agastache urticifolia Edward Lee 1934-8-15 1125 Siskiyou summit of the Happy Camp - Waldo (Ore.) road; watershed of Indian Creek 1615 Comment
  HSC78184  Agastache urticifolia L. P. Janeway 1983-8-16 537 Siskiyou At Poker Flat, road edge at upper portion of meadow 1524 Comment
  CAS-BOT-BC29451  Ageratina occidentalis Alice Eastwood 1912-8-30 1972 Siskiyou Mount Eddy Comment
  HSC58866  Ageratina occidentalis Marvin Butler 1971-8-11 302 Siskiyou Near Copper Camp; close to the town of Cave Junction 1403 Comment
  UC454302  Ageratina occidentalis I. J. Condit 1909-8-23 55 Siskiyou summit of ridge near Sisson,; Castle Lake 2133 Comment
  HSC2211  Ageratina occidentalis L. C. Wheeler 1934-8-9 3070 Siskiyou Dead Cow Creek; Mt. Diablo Mer. 1982 Comment
  HSC5639  Ageratina occidentalis D. M. Thomson 1965-8-7 178 Siskiyou California Lava Beds National Monument, 1 mile up Cave Loop Trail. Comment
  HSC67864  Agoseris heterophylla J. P. Smith 1976-5-5 8671 Siskiyou Road from Etna to Sawyer's Bar. 732 Comment
  RSA48237  Agoseris heterophylla Roxana S. Ferris, Laura Lorraine 1948-6-12 11837 Siskiyou Gazelle Mtn grade, road betw Callahan and Gazelle. 1500 Comment
  HSC92584  Agoseris monticola Jennifer Whipple 1977-8-4 2159 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  CAS-BOT-BC13189  Agoseris monticola Wm. Bridge Cooke 1938-9-8 11643 Siskiyou Near the South Gate Springs, Mount Shasta 2499 Comment
  CAS-BOT-BC13468  Agoseris retrorsa Alice Eastwood 1912-6-17 1171 Siskiyou Sisson Comment
  SEINET5335956  Agrostis alba B. Cooke 1939-8-22 13880 Siskiyou Mount Shasta, Wagon Camp Transition Zone 1737 Comment
  HSC91587  Agrostis exarata Jennifer Whipple 1978-10-6 2426 Siskiyou Dale Creek drainage on N face of Mount Eddy. 2195 Comment
  HSC39668  Agrostis idahoensis J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5732 Siskiyou Roadside, 1.4 mi. S of Sugar Creek on Parrott Mill Road 1341 Comment
  UC535955  Agrostis idahoensis Elmer I. Applegate 1923-8-17 3841 Siskiyou w side Medicine Lake; w side Medicine Lake 1981 Comment
  RSA239080  Agrostis pallens Frederick W. Oettinger 1969-8-19 1456 Siskiyou South of big bare area between King David's and Abbot's Basin . The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  RSA239082  Agrostis pallens Frederick W. Oettinger 1969-8-24 5750 Siskiyou Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 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
  SEINET3916651  Agrostis scabra J. P. Smith, J. O. Sawyer; Maralyn A. O'Meara 1972-7-4 5732 Siskiyou 1.4 miles south of sugar creek on Parrott Mill Road.; 0 1341 Comment
  HSC103905  Agrostis variabilis Dana York, Richard Helliwell 2010-9-11 3013 Siskiyou Six Rivers National Forest. Northeast slope of Broken Rib Mountain 1671 Comment
  UC375198  Allium acuminatum Geo. D. Butler 1910-5-17 1357 Siskiyou Yreka hills Comment
  HSC33999  Allium bolanderi var. bolanderi J. P. Smith 1974-5-25 7501 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 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
  HSC39472  Allium bolanderi var. mirabile J. P. Smith, Steve Selva 1970-7-15 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  HSC22090  Allium campanulatum J. O. Sawyer 1969-7-24 1503 Siskiyou Steep slopes of Sugar Creek drainage 1890 Comment
  RSA237878  Allium campanulatum Frederick W. Oettinger 1969-7-28 1089 Siskiyou North of Tom s Lower pond. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1982 Comment
  UC164160  Allium falcifolium Geo. D. Butler 1908-8-6 110 Siskiyou along trail on summit n West Fork of Woolly Creek Comment
  CAS-BOT-BC469247  Allium falcifolium Antone J. Soares 1922-6-1 s.n. Siskiyou Shasta Springs Comment
  RSA17426  Allium parvum Elmer I. Applegate 1925-4-26 4238 Siskiyou Ridge between Tule Lake and Lower Klamath Marsh. 1372 Comment
  HSC69699  Allium siskiyouense Maralyn A. Renner 1980-6-26 1267 Siskiyou Ridge along F.S. rd. 15N01 about 1 mi. N of Flint Valley 1494 Comment
  JEPS104939  Allium siskiyouense Dean W. Taylor 1996-6-28 15751 Siskiyou Antelope Mountain (about 8 air miles south of Yreka) 1798 Comment
  UC1299636  Allium siskiyouense Freed W. Hoffman 1950-7-13 3239 Siskiyou higher peak of Baldy Mountain Baldy Mountain 1737 Comment
  UCD138604  Allium siskiyouense L. K. Mann; J. M. Tucker, S. L. Holloway 1963-7-9 s.n. Siskiyou Marble Mountain Wilderness Area. 1950 Comment
Read comments
Mar 27 2015
  UC375195  Allium validum Geo. D. Butler 1908-8-3 112 Siskiyou canyon below Log Lake Shackleford Creek Comment
  HSC61855  Allium validum Ruby Van Deventer 1960-7-14 Siskiyou Poker Flat 1585 Comment
  RSA367151  Allium validum Laura Witherspoon 1977-7-30 s.n. Siskiyou Flint Valley. 1341 Comment
  HSC22208  Allotropa virgata J. O. Sawyer 1969-7-23 1180 Siskiyou Along road near Horse Range Creek. 1341 Comment
  HSC45190  Allotropa virgata J. O. Sawyer, E. Cope 1977-6-18 2928 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  SEINET3562419 Image available Allotropa virgata James Montgomery 1969-7-24 80918 b Siskiyou Mount Shasta, Shasta National Forest. 1981 Comment
  HSC27686  Allotropa virgata Carl W. Mize 1979-6-8 43 Siskiyou 335 Comment
  SEINET11977659  Allotropa virgata H. P. Chandler 1901-1 1546 Siskiyou North Coast Ranges, near Marble Mountain 1829 Comment
  UC552958  Allotropa virgata W. Bridge Cooke 1936-9-8 Siskiyou on Mount Shasta Mount Shasta Comment
  CAS-BOT-BC171392  Alnus incana subsp. tenuifolia Alice Eastwood 1912-7-17 1172 Siskiyou Sisson Comment
  CAS-BOT-BC171413  Alnus incana subsp. tenuifolia W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar Meadows, near McCloud Comment
  HSC36721  Alnus rhombifolia Brent Whitely 1975-7-5 140 Siskiyou 213 Comment
  CLARK-A1528-7858  Alnus tenuifolia John C. Roos 1948-9-1 3953 Siskiyou Etna Comment
  CAS-BOT-BC169386  Alnus viridis subsp. sinuata Gilbert Muth 1966-7-29 462 Siskiyou Damp meadow, Marble Valley, by waterfall. Marble Mts. 1828 Comment
  UC1313037  Alnus viridis subsp. sinuata Sandra L. Holloway 1963-6-2 72 Siskiyou 100 yd from Deep Creek (and 1/4 mi n of Deep Lake); Marble Mountain Comment
  HSC2197  Alopecurus aequalis L. C. Wheeler 1934-6-26 2795 Siskiyou Cottonwood Creek 838 Comment
  POM211401  Alopecurus aequalis L. C. Wheeler 1934-6-26 2795 Siskiyou Border of sunny creek. Cottonwood Creek, Siskiyou Mts. 838 Comment
  UC165945  Alyssum alyssoides Geo. D. Butler 1909-5-13 722 Siskiyou Cottonwood Creek below Hornbrook; Cottonwood Creek Comment
  HSC27225  Amaranthus albus J. P. Smith, J. O. Sawyer 1971-9-18 4802 Siskiyou Hwy. 3, between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  HSC2906  Amaranthus blitoides D. M. Thomson 1965-7-31 158 Siskiyou Lava Beds National Monument, Telephone Line Rd., 0.5 mi. S of dump. Comment
  UC1409347  Amelanchier alnifolia var. pumila Frederick W. Oettinger 1968-8-2 362 Siskiyou meadow s Diamond Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  HSC36903  Amelanchier alnifolia var. semiintegrifolia J. P. Smith 1974-5-26 7543 Siskiyou Along FS Rd. 47N03 1524 Comment
Read comments
Feb 26 2013
  HSC29350  Amelanchier pallida Frederick W. Oettinger 1969-7-18 1057 Siskiyou Marble Mtn. Wilderness Area, SW of Upper English Lake 1951 Comment
  HSC4959  Amelanchier pallida J. O. Sawyer 1968-7-22 529 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC65271  Amelanchier pallida Rich White 1978-7-6 247 Siskiyou Pond above Elk Hole 1524 Comment
  HSC99677  Amelanchier pallida G. L. Clifton, Terry Griswold 1979-6-28 6109 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  JEPS126015  Amelanchier pallida C. S. Campbell, M. Lorusso 2011-5-20 11 -353 Siskiyou Pat Trinca's property, east side of Hilt Valley Comment
  RSA59502  Amelanchier pallida E. K. Balls 1950-5-16 14712 Siskiyou By turn off to Caldwell Caves, Lava Beds National Monument. 1463 Comment
  RSA68857  Amelanchier pallida A. E. Culbertson 1943-6-26 99 Siskiyou Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. Comment
  UCD112893  Amelanchier pallida Roy V. Parker 1956-5-15 119 Siskiyou 8 miles E of McCloud, Highway 89. 1097 Comment
  CAS-BOT-BC136906  Amelanchier utahensis Alice Eastwood 1923-5-23 11931 Siskiyou Along railroad between Mott and Cantara Comment
  UC166492  Amelanchier utahensis Geo. D. Butler 1908-5-30 493 Siskiyou Humbug Mountain Comment
  UC466803 Image available Amelanchier utahensis Annie M. Alexander and Louise Kellogg 1911-6-4 106 Siskiyou Mayten Comment
  CHSC91353  Amsinckia menziesii Lowell Ahart; John Dittes 2005-6-9 12046 Siskiyou Along the west 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
  JEPS41791  Anagallis linifolia Maxine Gibeson 1966-2-21 Siskiyou edge of Carlton Pasture, Elliott Creek Canyon Elliott Creek Canyon; Rogue R. Nat'l Forest, Elliott Creek Canyon (tributary of Ap Comment
  HSC23641  Anaphalis margaritacea J. O. Sawyer 1969-8-4 1912 Siskiyou Above S Sugar Lake 2043 Comment
  UC468799  Anaphalis margaritacea H. W. Furlong Sep 1901 Siskiyou summit to Ager Comment
  UC165413  Ancistrocarphus filagineus Geo. D. Butler 1910-4-27 1244 Siskiyou (dry trodden places) Oro Fino Comment
  CAS-BOT-BC391808  Anemone deltoidea Harley P. Chandler 1901-6-1 1554 Siskiyou North Coast Ranges. Ridges and meadows near Marble Mountain 1828 Comment
  JEPS82718  Anemone deltoidea Wayne Roderick 1983-7-10 Siskiyou Doe Flat 1143 Comment
  SEINET12093424  Anemone lyallii H. P. Chandler 1901-1 1551 Siskiyou near Marble Mountain 1829 Comment
  CAS-BOT-BC391935  Anemone multifida G. J. Muth 1969-8-10 1315 Siskiyou Ridge w. of Boulder Peak Comment
  CAS-BOT-BC391971  Anemone occidentalis Harley P. Chandler 1901-6-1 1676 Siskiyou North Coast Ranges. Marble Mountain 2438 Comment
  CHSC1428  Anemone occidentalis V. Holt 1932-7-10 Siskiyou Mount Eddy. 2133 Comment
  HSC28678  Anemone occidentalis Frederick W. Oettinger 1967-7-25 182 Siskiyou Marble Mtn. Wilderness Area, SSE of English Peak 2223 Comment
  HSC28741  Anemone occidentalis Frederick W. Oettinger 1968-8-4 389 Siskiyou Marble Mtn. Wilderness Area, along trail N of Crapo Peak Ridge 2195 Comment
  UC668273  Anemone occidentalis Joseph P. Tracy 1935-7-30 14386 Siskiyou in shell-rock cirque on n.e. side of peak Salmon Summit 2103 Comment
  CHSC65230  Anemone oregana V. Parker 1993-7-8 21 -10 Siskiyou Shasta-Trinity National Forests. McCloud Ranger District. Alongside small tributary to Trout Creek, off forest road 42N40B. 1706 Comment
  RSA470339  Angelica arguta var. arguta M. B. Dunkle 1945-1 9339 Siskiyou Klamath National Forest; Marble Mountains, Black Marble ridge [?]. Comment
  HSC91110  Angelica tomentosa Jennifer Whipple 1976-9-3 1785 Siskiyou W facing slope of the ridge between Durney Lake and Little Crater Lake 2195 Comment
  HSC29191  Angelica tomentosa Frederick W. Oettinger 1968-8-14 514 Siskiyou Marble Mountain Wilderness Area, High Lake Basins: 0.1 mi E of Tom Taylor Cabin 2012 Comment
  CAS-BOT-BC59285  Antennaria argentea Doris K. Kildale 1929-5-11 7737 Siskiyou Cecilville, upper South Fork of Salmon River Comment
  HSC148  Antennaria argentea William J. Ferlatte 1966-8-3 265 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's. 1524 Comment
  UC29469  Antennaria argentea C. B. Bradley 1879-1 Siskiyou Comment
  UC796525  Antennaria dimorpha Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11831 Siskiyou (rd between Callahan and Gazelle) Callahan; Gazelle Mountain Grade 1499 Comment
  CHSC30243  Antennaria geyeri M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3263 Siskiyou Little Mt. Hoffman, W side, between road and lookout. 2225 Comment
  UCD159821  Antennaria racemosa G. Ledyard Stebbins 1972-7-3 9006 Siskiyou Summit of Cook and Green Pass. 8 miles north of Seiad Valley. (Exact location unknown. Coordinates estimated by label maker.) 1463 Comment
  UC88401  Antennaria rosea Harley P. Chandler 1901-6-1 1656 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  RSA211485  Antennaria rosea William J. Ferlatte 1966-6-22 80 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  RSA416705  Antennaria rosea L. C. Wheeler 1934-8-2 3016 Siskiyou Alex Hole, Alex Canyon. Siskiyou Mtns. 1890 Comment
  CHSC1686  Antirrhinum vexillo-calyculatum subsp. breweri V. Holt 1943-8-5 Siskiyou Scott Valley. 1158 Comment
  JEPS25848  Antirrhinum vexillocalyculatum subsp. breweri Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7474 Siskiyou 3 mi ne Calif. Hwy 96, Swillup Creek crossing (Calif Hwy 96, opposite King Creek in Klamath River Canyon); Klamath River Canyon 334 Comment
  POM15415  Antirrhinum vexillocalyculatum subsp. breweri Geo. D. Butler 1910-6-17 1569 Siskiyou Humbug Mountain. 1067 Comment
  HSC21957  Apocynum androsaemifolium J. O. Sawyer 1969-8-18 1975 Siskiyou S of S Sugar Lake 2104 Comment
  HSC61858  Apocynum androsaemifolium Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  HSC76937  Apocynum androsaemifolium K. T. Stillman 1976-8-7 205 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  JEPS84292  Apocynum androsaemifolium L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-15 6299 Siskiyou Indian Creek Rd. from Takilma to Happy Camp (just s. of state line) Comment
  RSA403115  Apocynum androsaemifolium subsp. pumilum B. C. Templeton 1960-6-21 8538 Siskiyou Between Callahan and the summit of Scott mts. Comment
  HSC22427  Aquilegia formosa var. formosa J. O. Sawyer 1969-7-24 1490 Siskiyou SW of Sugar Lake 1890 Comment
  HSC69025  Aquilegia formosa var. formosa Maralyn A. Renner 1980-7-28 2192 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  HSC76934  Aquilegia formosa var. formosa K. T. Stillman 1976-8-7 211 Siskiyou Marble Mtn. Wilderness Area. 1951 Comment
  RSA238277  Aquilegia formosa var. truncata Frederick W. Oettinger 1967-8-13 256 Siskiyou Below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  HSC6553  Arabis breweri Lincoln Constance, R. C. Rollins 1942-5-13 2910 Siskiyou Scott River, 2 mi. NW of Scott Bar 488 Comment
  RSA0125740  Arabis breweri L. P. Janeway 1983-9-10 650 Siskiyou South ridge of Little Grayback Mtn. 1738 Comment
  HSC23654  Arabis breweri var. breweri J. O. Sawyer 1969-7-24 1466 Siskiyou NW facing slope SW of Sugar lake. 1829 Comment
  UCR37538  Arabis breweri var. breweri L. P. Janeway 1983-7-4 382 Siskiyou South ridge of Little Grayback Mtn. Comment
  HSC81529  Arabis divaricarpa Thomas W. Nelson, Jane P. Nelson 1980-7-19 6196 Siskiyou Along USFS Rd. 39N01 A at Fox Creek, 1 mi. from jct. with 39N01 1677 Comment
  LA210045  Arabis glabra var. glabra W. B. C. after Rollins; 1939-7-21 13710 Siskiyou Bear Springs, Mount Shasta 1523 Comment
  RSA77996  Arabis holboellii var. pinetorum Verne Grant, Alva Grant 1947-6-5 7972 Siskiyou Modoc Lava Beds Comment
  POM143204  Arabis holboellii var. retrofracta Geo. D. Butler 1910-5-10 1331 Siskiyou Goosenest foothills Comment
  SEINET184716  Arabis holboellii var. retrofracta C. L. Hitchcock 1939-7-9 5308 Siskiyou North side of Black Mt. near Marble Mt. 2073 Comment
  HSC39216  Arabis modesta J. P. Smith 1976-5-5 8698 Siskiyou Road between Forks of Salmon and Somes Bar 366 Comment
  HSC49944  Arabis modesta G. L. Clifton, Walter Overton 1979-5-28 3453 Siskiyou Near Klamath River, close to the town of Seiad Valley 488 Comment
  HSC26702  Arabis platysperma William J. Ferlatte 1971-9-18 1374 Siskiyou Caribou Meadow on N side of Caribou Mtn. 1982 Comment
  CDA24663  Arabis sparsiflora F. D. Horn 1976-5-11 Siskiyou Shasta Vista Estates (Sheeprock area), Grenada. 0 Comment
  HSC39238  Arabis subpinnatifida J. P. Smith 1976-5-21 8757 Siskiyou Along FS Rd. 40N08, 1 mi. from its junction with Hwy. 3, Klamath National Forest 1646 Comment
  UC1212569  Aralia californica Francia Chisake and Helen Sharsmith 1959-8-20 4744 Siskiyou Salmon R between Forks of Salmon and Somes Bar (several mi. from Forks of Salmon); Inner North Coast Ranges, Salmon R. 304 Comment
  UC1078862  Arceuthobium campylopodum Job Kuijt 1957-5-22 1370 Siskiyou 3.5 mi w Mcloud Comment
  CAS-BOT-BC102220  Arctium minus Henry M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek Comment
  CDA6783  Arctium minus R. E. Talbert 1959-9-4 Siskiyou South side Scott River, ca. 1.5 miles west-southwest of Ft. Jones. 0 Comment
  SEINET11990950  Arctostaphylos klamathensis Unknown 1983-1 4886 Siskiyou Terrace Lake 1881 Comment
  SEINET11998396  Arctostaphylos klamathensis R. Raiche, Edwards, S. 1986-1 60256 Siskiyou Terrace Lake 1914 Comment
  CAS-BOT-BC39990  Arctostaphylos nevadensis Alice Eastwood 1912-7-19 1243 Siskiyou Mount Shasta Comment
  CAS-BOT-BC39992  Arctostaphylos nevadensis Alice Eastwood 1921-7-29 10987 Siskiyou Pumice Mt. Comment
  POM367360  Arctostaphylos nevadensis M. B. Dunkle 1944-6-26 9051 Siskiyou Deer Creek. 1829 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
  SEINET11989660  Arctostaphylos nevadensis A. Seneres, Harold, N.; Edwards, S. W. 1982-1 s.n. Siskiyou SW grassy spur of Deadwood Peak Comment
  CAS-BOT-BC45414  Arctostaphylos nevadensis subsp. knightii Roger Raiche; Kurt Zadnik 1982-7-6 20558 Siskiyou Deadwood Lookout northwest of Yreka. 1676 Comment
  CAS-BOT-BC46428  Arctostaphylos patula Doris K. Kildale 1929-4-27 7483 a Siskiyou Upper South Fork of Salmon River. Comment
  CAS-BOT-BC46473  Arctostaphylos patula W. R. Dudley 1899-8-22 s.n. Siskiyou Toward foot of Craggy Mt. Comment
  CAS-BOT-BC46479  Arctostaphylos patula Doris K. Kildale 1928-8-19 6566 Siskiyou Hancock Lake, on trail to Marble Mt. 2133 Comment
  CAS-BOT-BC46492  Arctostaphylos patula Lyman Benson 1929-3-26 1068 Siskiyou Shoulder of Mt. Shasta. Comment
  JEPS38837  Arctostaphylos patula Harriet P. Kelley 1914-3-22 Siskiyou Dunsmuir Comment
  POM367393  Arctostaphylos patula L. C. Wheeler 1934-6-25 2781 Siskiyou West Fork Cottonwood Creek. Siskiyou Mts. 1280 Comment
  POM77329  Arctostaphylos patula Geo D. Butler 1909-4-11 640 Siskiyou Shasta Retreat. Comment
  RSA303434  Arctostaphylos patula Jim Shevock 1971-4-9 941 Siskiyou Near Desmuir. 701 Comment
  UC630388  Arctostaphylos patula Annetta Carter 1939-8-20 1458 Siskiyou 5.5 mi n Dunsmuir 1005 Comment
  UCD53258  Arctostaphylos patula Harriet P. Kelley 1914-3-22 s.n. Siskiyou Dunsmuir. 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
  CAS-BOT-BC47013  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1929-7-20 8569 Siskiyou S. fork of Indian Creek, near Happy Camp. 457 Comment
  CAS-BOT-BC47019  Arctostaphylos viscida subsp. viscida Alice Eastwood 1917-9-2 6645 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC47097  Arctostaphylos viscida subsp. viscida Walter Knight; Irja Knight 1979-9-6 3424 Siskiyou Marble Rim below Lookout (north), Marble Mts. 2072 Comment
  RSA15600  Arctostaphylos viscida subsp. viscida C. B. Wolf 1927-8-26 1107 Siskiyou Klamath River, 8 mi. above Happy Camp. Comment
  UC722705  Arenaria congesta var. suffrutescens C. L. Hitchcock, J. S. Martin 1939-7-9 5324 Siskiyou 1/2 mi se King's Castle; Marble Mts. 1828 Comment
  HSC97653  Arenaria serpyllifolia Juha Pykala, D. H. Norris 1987-6-26 2088 Siskiyou Marble Mtn. Wilderness Area, 0-3 km below Bear Lake, above Bear Creek 1200 Comment
  UC796528  Arenaria serpyllifolia subsp. serpyllifolia Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11721 Siskiyou w Callahan (French Creek Loggin Road) 1066 Comment
  HSC62127  Arnica amplexicaulis Al Hobart 5 Aug [year missing] Siskiyou Preston Peak Comment
  HSC46315  Arnica cernua J. P. Smith 1976-5-4 8655 Siskiyou On the road to Slater Butte, Klamath National Forest 549 Comment
  HSC29303  Arnica cordifolia Frederick W. Oettinger 1969-7-14 1023 Siskiyou High Lake Basins near English Peak; Marble Mountain Wilderness Area, above English Lake outlet along route from Charmaine to English Lake 1921 Comment
  RSA237485  Arnica cordifolia Frederick W. Oettinger 1968-9-1 647 Siskiyou SSW of Abbotts Lake, adjacent to Red Fir Forest. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  UC1540129  Arnica dealbata Dean W. Taylor 1987-6-26 9071 Siskiyou 2 mi w Medicine Lake (on the sw side of Little Mount Hoffman near summit); Little Mount Hoffman 2209 Comment
  UC166589  Arnica discoidea Geo. D. Butler 1910-6-4 1492 Siskiyou Shackleford Creek Comment
  HSC46237  Arnica discoidea Jennifer Whipple 1976-7-13 1459 Siskiyou Mt. Eddy 2256 Comment
  HSC58902  Arnica diversifolia Marvin Butler 1971-8-11 289 Siskiyou Near El Capitan, close to the town of Cave Junction 1524 Comment
  CAS-BOT-BC82665  Arnica latifolia John Thomas Howell 1937-7-26 13552 Siskiyou Caribou Gulch Comment
  JEPS89495  Arnica latifolia Dean William Taylor 1972-7-4 1591 Siskiyou 3 mi. w. Cook and Green Pass (near Lily Pad Lake) 1981 Comment
  RSA237483  Arnica mollis Frederick W. Oettinger 1969-8-19 1470 Siskiyou 0.2 mi due NE of Charmaine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC572796  Arnica mollis W. Bridge Cooke 1937-8-17 9297 Siskiyou Panther Creek Meadow Mt. Shasta 2438 Comment
  UC609312  Arnica ovata Eleanor Burks Hart 1938-8-17 915 Siskiyou Upper Wright Lake 2225 Comment
  CAS-BOT-BC90082  Arnica viscosa Bassett Maguire 1939-8-8 13833 Siskiyou in the valley of Horse Camp Creek 2468 Comment
  HSC62124  Arnica viscosa Al Hobart 1960-9-20 Siskiyou Preston Peak Comment
  UCD70118  Arnica viscosa D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-McCloud. Snowmans Hill. Ski Park (Mount Shasta) Road. Mount Shasta basis. 1720 Comment
  RSA184777  Arrhenatherum elatius Gilbert Muth 1966-8-1 487 Siskiyou Marble Valley Horse Pasture, Marble Mountains 1793 Comment
  CDA6799  Artemisia biennis R. Pederson, G. Pederson 1979-8-15 Siskiyou Lower Klamath National Wildlife Refuge. Comment
  SD76162  Artemisia douglasiana Helen V. Witham 1969-10-7 578 Siskiyou Scott River, at bridge to Indian Scotty Campground. 700 Comment
  UC179528  Artemisia douglasiana A. A. Heller 1914-8-25 11710 Siskiyou along the railroad embankment near Deetz <railroad> station (opposite Black Butte) 1158 Comment
  OBI53772  Artemisia douglasiana David J. Keil 1992-7-20 23482 Siskiyou 10.3 mi W of Fort Jones along Scott River rd; above Scott river 900 Comment
  UC166156  Artemisia dracunculus Geo. D. Butler 1910-9-16 1878 Siskiyou Yreka Flat Comment
  RSA184691  Artemisia ludoviciana subsp. incompta Gilbert Muth 1966-7-31 472 Siskiyou North side of Black mountain, Marble Mountains. 2012 Comment
  HSC35806  Artemisia norvegica subsp. saxatilis J. O. Sawyer 1969-8-18 1978 Siskiyou S of S Sugar Lake 2104 Comment
  UC630385  Artemisia norvegica subsp. saxatilis Annetta Carter 1939-8-21 1471 Siskiyou steep slope above se end Taylor Lake (12 mi sw of Etna); Salmon Mountains 2194 Comment
  CAS-BOT-BC97420  Artemisia tridentata subsp. tridentata W. R. Dudley 1899-8-24 s.n. Siskiyou Top of Craggy Peak Comment
  HSC58877  Aruncus dioicus var. acuminatus Marvin Butler 1971-8-11 288 Siskiyou Near El Capitan Lake, close to town of Cave Junction 1646 Comment
  CAS-BOT-BC400593  Asarum caudatum L. E. Smith 1914-5-5 650 Siskiyou Sisson Comment
  UC585171  Asclepias cordifolia E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1919 Siskiyou about 7 mi sw Yreka (s of highway from Yreka to Fort Jones); Forest House Mt. 1363 Comment
  SEINET10580356  Asclepias cordifolia F. Marion Ownbey, Fred G. Meyer 1940-7-6 Ownbey 2202 Siskiyou Marble Mountain, Cayene Ridge, S slopes 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
  SEINET10890228  Asclepias fascicularis Mark E. Fishbein, L. Greer 2006-8-4 Fishbein 5886 Siskiyou Along Hill Road, 0.5 mi S of Devil's Homestead, Lava Beds National Monument, about 3.75 mi NNW of Schonchin Butte 1285 Comment
  SEINET3158828  Asclepias speciosa G. D. Butler 1910-6-8 1557 Siskiyou near Yreka Comment
  SEINET3158835  Asclepias speciosa G. D. Butler 1910-8-5 1813 Siskiyou Yreka Comment
  UC1037352  Asclepias speciosa Douglas Barbe 1955-6-28 22 Siskiyou 0.8 mi n Callahan; Klamath Mountains 975 Comment
  UC164150  Asclepias speciosa Geo. D. Butler 1910-6-8 1557 Siskiyou near Yreka Comment
  UC23009  Asclepias speciosa T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  POM129817  Asclepias speciosa Geo. D. Butler 1910-6-8 s.n. Siskiyou Dry land near Yreka Comment
  CAS-BOT-BC69552  Aspidotis densa Ira L. Wiggins 1955-7-27 13533 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area. 2042 Comment
  HSC23618  Aspidotis densa J. O. Sawyer 1969-7-10 1289 Siskiyou E facing slope W of S Sugar Lake 2226 Comment
  CAS-BOT-BC99230  Aster Alice Eastwood 1912-8-28 1941 Siskiyou Cantara Comment
  CDA10214  Aster alpigenus Gordon Leppig, J. Kalt 1996-7-9 369 Siskiyou Northern California Peatlands; Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, in cirque west of Little Duck Lake. Comment
  SEINET10799400 Image available Aster occidentalis var. occidentalis Edwin B. Copel 1903-9-7 Copeland 3867 Siskiyou Mt. Eddy. 2743 Comment
  CAS-BOT-BC178819  Astragalus californicus A. A. Heller 1905-6-22 8082 Siskiyou Between Igerna and Weed. Comment
  HSC71622  Astragalus californicus J. P. Smith 1973-5-5 6552 Siskiyou Scott Bar along the Scott River Comment
  SEINET5323336  Astragalus californicus Unknown 1909-5-8 593 Siskiyou Humbug Road and McNutty's Field Comment
  CAS-BOT-BC186918  Astragalus inversus J. William Thompson 1936-7-9 13167 Siskiyou Lava slopes of Lava Beds Nat. Monument Comment
  HSC62472  Astragalus purshii Diane L. Reed 1980-7-1 Siskiyou Mahogany Point just N of F.S. Rd. 45N28. Comment
  CAS-BOT-BC192915  Astragalus purshii var. lectulus J. P. Moore 629 Siskiyou Shasta Valley Comment
  UC54368  Astragalus purshii var. tinctus H. M. Hall and E. B. Babcock June, 1903 4083 Siskiyou Shasta Valley Sierra Nevada Mountains, Mount Shasta, Shasta Valley 1158 Comment
  POM16040  Astragalus purshii var. tinctus Geo. D. Butler 1910-3-20 1134 Siskiyou Near Yreka 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
  SEINET5326835  Astragalus purshii var. tinctus G. Butler 1910-3-20 1134 Siskiyou dry hills near Yreka Comment
  UC635309  Astragalus whitneyi Dorothy Tebbe 1929-7-1 77 Siskiyou Dobkins Lake , Dobkins Lake (Mount Eddy) Comment
  RSA237522  Athyrium americanum Frederick W. Oettinger 1969-8-21 1476 Siskiyou Ethel Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1738 Comment
  HSC58849  Athyrium distentifolium var. americanum Marvin Butler 1971-8-2 258 Siskiyou Near El Capitan, close to the town of Cave Junction 2073 Comment
  CAS-BOT-BC66187  Athyrium filix-femina var. cyclosorum Grant 1902-9-15 5260 Siskiyou Shasta Springs Comment
  HSC35797  Athyrium filix-femina var. cyclosorum J. O. Sawyer 1968-6-25 321 Siskiyou Along Horse Range Creek 1829 Comment
  UC1333324  Athyrium filix-femina var. cyclosorum Dorothy Parker 1949-6-30 Siskiyou stream that empties into Etna Creek; Salmon Mts 1176 Comment
  UC371153  Athyrium filix-femina var. cyclosorum G. D. Butler 1908-8-4 244 Siskiyou Wooly Creek Cold Spring Camp Comment
  UC399373  Athyrium filix-femina var. cyclosorum J. G. Lemmon and wife Siskiyou near Mt Shasta Comment
  CAS-BOT-BC17615  Athysanus pusillus George Dexter Butler 1910-3-27 1145 Siskiyou Near Yreka. Comment
  CAS-BOT-BC17618  Athysanus pusillus Lincoln Constance; Reed Clark Rollins 1942-5-13 2916 Siskiyou Klamath-Siskiyou Region. Scott River 10 miles southwest of Scott Bar. 609 Comment
  JEPS93962  Atriplex heterosperma Vernon H. Oswald and Lowell Ahart 1998-9-16 9649 Siskiyou 3 mi s of Highway 161 (Tour Route at Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge 1243 Comment
  POM211519  Atriplex rosea L. C. Wheeler 1934-10-24 3348 Siskiyou Oak Knoll Ranger Station, Klamath River; Siskiyou Mts. 671 Comment
  CDA23336  Atriplex triangularis R. Pederson, G. Pederson 1979-9-26 112 Siskiyou Lower Klamath National Wildlife Refuge, Unit 3. Comment
  RSA82758  Atriplex truncata J. M. Tucker 1950-7-25 1964 Siskiyou Alongside road to Tule Lake, about one mile E of Hwy 97, along east-west road paralleling Oregon-California border, just inside Siskiyou County. Comment
  CAS-BOT-BC100104  Balsamorhiza sagittata Elmer I. Applegate 1935-6-8 9439 Siskiyou Bear Paw Cave, Lava Beds National Monument 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
  CAS-BOT-BC16687  Barbarea orthoceras John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53416 Siskiyou Oro Fino. 853 Comment
  JEPS73744  Beckmannia syzigachne George D. Butler 1908-6-25 484 Siskiyou Butler's Ranch near Yreka Comment
  CAS-BOT-BC400049  Berberis Doris K. Kildale 1928-7-25 5908 Siskiyou Klamath River - Mack's Creek near Hamburg Comment
  CDA11583  Berberis aquifolium var. aquifolium G. F. Hrusa 1995-7-1 12429 Siskiyou Siskiyou Mountains; Along Indian Creek, approx. 10 miles N of Happy Camp. Comment
  RSA758216  Berberis aquifolium var. aquifolium R. F. Thorne 1969-8-2 63332 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  RSA331954  Berberis aquifolium var. aquifolium Dave Kelly, Walter Wisura 1985-7-31 4082 Siskiyou 9.1 mi. SW of Gazelle on Callahan Rd. Comment
  CDA15576  Berberis nervosa G. F. Hrusa 1998-7-5 14683 a Siskiyou Siskiyou Mountains; S side of pass on Happy Camp-O'Brien Rd. Ca. side of State Boundary, above Indian Ck. Camp. Comment
  HSC69087  Berberis nervosa Maralyn A. Renner 1980-7-24 2120 Siskiyou Pacific Crest Trail, 0.25 mi. SW of Cook and Green Pass. 1494 Comment
  HSC73992  Berberis nervosa Gail Newton 1980-6-20 524 Siskiyou Near Bald Mtn. 1326 Comment
  UC472300  Berberis nervosa Milo S. Baker July 1899 Siskiyou near Dunsmuir Comment
  CAS-BOT-BC76009  Berberis pumila Doris K. Kildale 1929-7-20 8610 Siskiyou Elk Lick, South Fork of Inidan Creek. 1524 Comment
  CAS-BOT-BC76003  Berberis pumila G. P. Rixford s.n. Siskiyou South side Shaft rock Mountain. Hilt. 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-BC169397  Betula C. Hart Merriam 1907-9-27 s.n. Siskiyou Klamath Canyon, near Shovel Creek Comment
  CAS-BOT-BC169477  Betula occidentalis A. A. Heller 1915-7-18 12133 Siskiyou MetCalf's ranch, NE base of Mt. Eddy 1188 Comment
  RSA233715  Betula occidentalis Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mts., Shasta-Trinity National Forest: ca. 15 air mi. SW of Weed along road to Kangaroo Lake. Comment
  UC847563  Betula occidentalis Alice Eastwood 1912-7-23 1341 Siskiyou Cantara Comment
  CAS-BOT-BC413073  Bistorta bistortoides Geo. D. Butler 1910-6-5 1477 Siskiyou Shackleford Creek Comment
  CHSC118591  Blepharipappus scaber Richard R. Halse 2016-5-29 9717 Siskiyou Along Hilt Road ca. 2.1 miles northwest of Hilt on the Oregon/California State Line. 876 Comment
  UC538067  Blepharipappus scaber Louis C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek 914 Comment
  CDA10530  Blepharipappus scaber T. C. Fuller 1958-4-17 4825 Siskiyou 3 miles south of Gazelle. 0 Comment
  CAS-BOT-BC16890  Boechera George Dexter Butler 1908-8-4 125 Siskiyou Head of Shackleford Creek. Comment
  CAS-BOT-BC16892  Boechera Vesta Holt 1943-8-13 M- 16 Siskiyou Marble Mountains. Comment
  UCD114147  Boechera Dean William Taylor 1972-7-4 1578 Siskiyou Near Lily Pad Lake 3 miles W of Cook and Green Pass. 1981 Comment
  CAS-BOT-BC15798  Boechera acutina John Thomas Howell 1937-7-26 13551 Siskiyou Caribou Gulch. Comment
  UC673129  Boechera pauciflora Lincoln Constance and Reed C. Rollins 1942-5-13 2905 Siskiyou 4 mi e Seiad; Klamath-Siskiyou Region, Klamath River 457 Comment
  UCD114421  Boechera pinetorum Robert E. Preston 1983-6-9 393 Siskiyou On N side of dirt road, ca. 1/8 mi E of jct with road to Juanita Lake. 1304 Comment
  CAS-BOT-BC25608  Boechera retrofracta Reed Rollins 1940-7-26 15365 Siskiyou Mount Shasta. Along Diller Canyon. 1828 Comment
  UC1409430  Boechera retrofracta Frederick W. Oettinger 1969-7-11 922 Siskiyou Near Half-way Spring, trail from English Lake to Diamond Lake, Salmon Mountains, Marble Mountain Wilderness Area, English Peak. 1828 Comment
  CAS-BOT-BC25611  Boechera retrofracta John Thomas Howell 1937-7-26 13569 Siskiyou Salmon River Gulch. Between Big Flat and Caribou Gulch. Comment
  UC673133  Boechera subpinnatifida Lincoln Constance and Reed C. Rollins 1942-5-14 2923 Siskiyou 4 mi w Yreka (road to Walker Post Office); Klamath-Siskiyou Region 1219 Comment
  CAS-BOT-BC25918  Boechera suffrutescens John Thomas Howell 1939-8-1 15178 Siskiyou Marble Mountains. Black Mountain. Comment
  CAS-BOT-BC31361  Bolboschoenus maritimus Robert F. Thorne; J. Henrickson; C. W. Tilforth 1969-9-3 39029 Siskiyou Along Hwy 161 at N edge of White Lake, 13.5 mi E of jct of Hwys 97 and 161. 1280 Comment
  HSC46107  Boschniakia strobilacea J. P. Smith 1973-5-5 6464 Siskiyou Along Cook and Green Pass Rd. 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
  RSA184648  Boykinia major Clare B. Hardham 1965-8-20 13008 Siskiyou Marble Mtns. Near Cudahy Lakes. Paso Robles. 1524 Comment
  CHSC63594  Brickellia greenei Vernon H. Oswald; Lowell Ahart 1994-8-1 6417 A Siskiyou Forest Rd. 26 paralleling the South Fork of the Sacramento River, 1.5 mi E of Forest Rd. 40N43, 7.8 mi SW of the dam at Lake Siskiyou. 1341 Comment
  OBI55401  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
  SEINET10570598  Brodiaea capitata George D. Butler 1910-4-17 Butler 1192 Siskiyou Dry hills near Yreka Comment
  SEINET10533785  Brodiaea crocea George D. Butler 1910-5-5 Butler 1287 Siskiyou Humbug Mountain Comment
  JEPS7633  Brodiaea elegans subsp. elegans Geo. D. Butler 1909-7-20 888 Siskiyou Highland Mine Comment
  SEINET10533839  Brodiaea multiflora George D. Butler 1910-5-18 Butler 1361 Siskiyou Dry hill. Yreka. Comment
  UCD58256  Bromus carinatus R. Tofsrud 1948-8-1 s.n. Siskiyou From Happy Camp to O'Brien, Oregon. Comment
  CHSC61558  Bromus carinatus var. carinatus L. P. Janeway 1983-8-26 604 Siskiyou Siskiyou Mountains; at Poker Flat. Along the road on the north side of the meadow. 1524 Comment
  JEPS69151  Bromus carinatus var. carinatus Geo. D. Butler 1909-6-22 842 Siskiyou Goosenest foothills Comment
  UC618691  Bromus carinatus var. carinatus W. Bridge Cooke 1938-6-24 11062 Siskiyou Mount Shasta, MacBride Spring MacBride Spring; Mount Shasta, MacBride Spring 1524 Comment
  CAS-BOT-BC148794  Bromus carinatus var. marginatus K. T. Stillman 1976-7-23 305 Siskiyou Marble Mountain Wildnerss Area. 2011 Comment
  POM211399  Bromus commutatus L. C. Wheeler 1934-6-22 2748 Siskiyou Siskiyou Mts., Cottonwood Creek. 915 Comment
  CDA1799  Bromus hordeaceus G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2780 Siskiyou Yreka. West of Motel 6, south of town, north of Greenhorn Creek Road. Comment
  HSC36753  Bromus hordeaceus J. P. Smith 1974-5-25 7405 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  RSA60686  Bromus hordeaceus I. L. Wiggins 1950-5-24 12354 Siskiyou Banks of east fork of Scott River at Callahan Ranger Station, Callahan 976 Comment
  CDA1822  Bromus inermis T. C. Fuller 1962-8-3 9494 Siskiyou Highway 139 to Stronghold, 0.2 miles southeast of the town of Tulelake. 0 Comment
  CHSC86461  Bromus inermis subsp. inermis Jenny Marr 1993-7-1 78 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  SEINET250617 Image available Bromus inermis subsp. inermis Cindy Roche, Robert Korfhage 2005-7-12 Siskiyou Road 1055 milepost 3.3 Cook & Green Road. 1040 Comment
  RSA126877  Bromus marginatus H. A. Jensen 1933-3-30 s.n. Siskiyou Signal Butte; Dunsmuir. 1341 Comment
  RSA238370  Bromus marginatus Frederick W. Oettinger 1969-9-4 1628 Siskiyou East side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC105073  Bromus orcuttianus R. C. Wenk 2008-7-24 915 Siskiyou SW side of Mount Shasta, growing by side of road, Everitt Memorial Highway 1676 Comment
  CAS-BOT-BC185379  Bromus vulgaris Gilbert Muth 1966-7-29 460 Siskiyou Marble Mountains. Marble Valley, by waterfall. 1798 Comment
  JEPS20947  Cacaliopsis nardosmia W. L. Jepson Jul 17 1902-Jul 22 1902 2073 Siskiyou Devil's Backbone, Western Siskiyou 1828 Comment
  UC673211  Cacaliopsis nardosmia Lincoln Constance, Reed C. Rollins 1942-5-13 2906 Siskiyou Northwestern; Klamath Ranges Region; Klamath-Siskiyou Region: Klamath River 4 miles east of Seiad, alt. 1500 ft. 457 Comment
  RSA239003  Calamagrostis breweri Frederick W. Oettinger 1968-8-2 354 Siskiyou South end of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 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
  HSC26914  Calamagrostis canadensis var. langsdorffii J. P. Smith, J. O. Sawyer 1971-9-17 4777 Siskiyou Little Duck Lake Comment
  HSC67716  Calamagrostis canadensis var. langsdorffii John S. Palmer 1980-7-24 616 Siskiyou Elk Hole 1503 Comment
  HSC24229  Calamagrostis koelerioides J. O. Sawyer 1969-8-4 1880 Siskiyou SE slope above S Sugar Lake 2165 Comment
  HSC30597  Calamagrostis koelerioides Frederick W. Oettinger 1968-9-7 771 Siskiyou Marble Mtn. Wilderness Area, NW slope above Tobacco Lake 2012 Comment
  SJSU11316  Calamagrostis rubescens S. H. Casey 1981-7-4 1209 Siskiyou near Cook & Green Pass, Seiad Creek Rd c. 6 mi N of Seiad Valley 1706 Comment
  JEPS105052  Calochortus elegans Dean W. Taylor 1996-7-7 15802 Siskiyou Salmon Mountains; Ruffey Lakes (about 8 air miles southwest of Etna), in cirque above the upper lake; Klamath National Forest 2072 Comment
  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
  UC722091  Calochortus elegans C. L. Hitchcock and J. S. Martin 1939-7-9 5335 Siskiyou near King's Castle; Paradise Lake 1767 Comment
  CAS-BOT-BC488625  Calochortus elegans F. D. Douthitt 1923-7-12 15 Siskiyou Dry Lake Mountain; Klamath Forest 2133 Comment
  CAS-BOT-BC488605  Calochortus elegans var. nanus Wm. F. Herrin 1922-5-1 1922 Siskiyou Shasta Springs Comment
  HSC60468  Calochortus elegans var. nanus Carl Wishner 1978-7-19 552 Siskiyou Monument Lake, Marble Mtn. Wilderness Area 1768 Comment
  CAS-BOT-BC132416  Calochortus greenei Marion Ownbey; D. H. Brown 1941-6-24 2431 Siskiyou About half way up south side of Black Mountain, north-east of Yreka Comment
  SEINET10971608 Image available Calochortus greenei Edward L. Greene 1876-7-6 Greene 914 Siskiyou on Table Rock, Little Shasta River. Comment
  HSC44990  Calochortus nudus J. P. Smith, Steve Selva 1970-7-27 4521 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  HSC73051  Calochortus tolmiei M. A. Baker 1980-6-20 2216 Siskiyou Near Bald Mtn. 1036 Comment
  JEPS80557  Calochortus tolmiei Gilbert Muth 1965-8-6 189 Siskiyou backside Black Mountain; Marble Mountain Wilderness Area 2072 Comment
  SJSU2575  Calochortus tolmiei H. L. Buckalew 1962-7-9 Siskiyou near Poker Flat c. 4 mi W of junction of Indian Creek with W Fork Indian Creek, Siskiyou Mts 1066 Comment
  CAS-BOT-BC181509  Caltha leptosepala J. C. Chastain 1917-6-1 s.n. Siskiyou North fork, Trinity River Comment
  CAS-BOT-BC272748  Calycadenia truncata subsp. truncata Louis C. Wheeler 1934-10-6 3310 Siskiyou Shasta Valley 2 mi. SE Yreka 853 Comment
  UC198763  Calypso bulbosa Annie M. Alexander and L. Kellogg 1911-6-17 157 Siskiyou Jackson Lake 1798 Comment
  JEPS127643  Calyptridium monospermum Jurriaan M. de Vos 2014-7-10 313 Siskiyou Klamath NF. Along and just S of Pacific Crest Trail, ca. 250 m E from Cook and Green Pass (Forest Road 1055). Comment
  JEPS17236  Calyptridium umbellatum W. L. Jepson 1940-6-27 20032 Siskiyou Mount Shasta, e slope Mount Shasta 1828 Comment
  HSC646  Calystegia malacophylla William J. Ferlatte Jul 1967 616 Siskiyou Along the Yellow Rose Mine Trail 1677 Comment
  CAS-BOT-BC221263  Calystegia malacophylla subsp. malacophylla Alice Eastwood 1912-8-30 2030 Siskiyou Mount Eddy Comment
  HSC99985  Calystegia malacophylla subsp. malacophylla Thomas W. Nelson 2005-7-16 9378 Siskiyou Along F. S. Rd. 42N16. 1337 Comment
  UCSB13037  Camassia leichtlinii 1962-6-11 Siskiyou Along State Highway 89, 17.6 miles east of McLoud; Cascade Mountains 1219 Comment
  UC166137  Camelina microcarpa Geo. D. Butler 1908-6-20 1054 Siskiyou fields near Yreka Comment
  SEINET10840311  Campanula prenanthoides Clifton 1979-6-26 CLIFTON 6008 Siskiyou NR SALMON R., LITTLE N. FORK, SAWYER'S BAR QUAD 2241', HILLSIDE, GRAVELLY SOIL, NR FORKS OF SALMON Comment
  SEINET3142708  Campanula prenanthoides G. D. Butler 1910-8-7 1815 Siskiyou Humbug Mountain 1219 Comment
  UC220935  Campanula prenanthoides Dr. Edward Palmer Jul 13 1892-Jul 27 1892 2511 Siskiyou Mt. Shasta and vicinity Comment
  SEINET10463065  Campanula prenanthoides Van Deventer VAN DEVENTER s.n. Siskiyou PRESTON PEAK QUAD, YOUNGS VALLEY. T17N R5E SECS 9, 10 & 16 Comment
  SEINET8037769  Campanula prenanthoides G. D. Butler 1910-8-7 1815 Siskiyou Humbug Mountain. 1219 Comment
  UC195255  Campanula scabrella Annie M. Alexander and Louise Kellogg 1911-8-14 329 Siskiyou Mt Eddy Comment
  SEINET10463762  Campanula scouleri Ownbey 1940-7-8 OWNBEY 2226 Siskiyou Near summit of Siskiyou Mountains, 18 miles north of Happy Camp Comment
  SEINET10463764  Campanula scouleri Ownbey 1938-7-19 OWNBEY 1757 Siskiyou Near Deer Camp, Siskiyou Mountains Comment
  SEINET12271816  Campanula scouleri M. Ownbey, Meyer, F. G. 1940-1 2226 Siskiyou 18 mi N of Happy Camp Comment
  CAS-BOT-BC266467  Campanula wilkinsiana R. H. Bohmannson 1926-7-1 s.n. Siskiyou Mount Shasta Comment
  CAS-BOT-BC37747  Cardamine californica L. E. Smith 1915-4-25 13272 Siskiyou Sisson. Comment
  POM95829  Cardamine californica var. integrifolia Geo. D. Butler 1909-4-11 649 Siskiyou Shasta Springs. Comment
  RSA592543  Cardamine cordifolia var. lyallii S. O. Mattoon 1978-7-22 22 Siskiyou Lower Wright Lake, Marble Mountains Wilderness Area; 13 air miles W of Fort Jones. 2378 Comment
  UC1736492  Cardamine nuttallii Dean W. Taylor 1999-6-10 17252 Siskiyou Marble Mountains, Mill Creek, ca. 4 miles W from Mugginsville in Quartz Valley, northerly facing slopes near watershed divide with Kidder Creek 1584 Comment
  HSC40061  Cardamine oligosperma J. P. Smith, Steve Selva 1970-6-15 3955 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  RSA120643  Cardaria draba Milo S. Baker 1955-6-27 13089 Siskiyou Scott Valley 1 mile N of Callahan. Comment
  CAS-BOT-BC18387  Carex A. A. Heller 1920-6-27 13390 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy. 1158 Comment
  UC607  Carex amplifolia Ezra Brainerd 1897-8-1 Siskiyou Sisson Comment
  UC822666  Carex amplifolia A. A. Heller 1905-6-5 7982 Siskiyou a short distance below Shasta Springs (between Shasta Retreat and Shasta Springs) Comment
  CAS-BOT-BC17863  Carex amplifolia W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow. Comment
  CAS-BOT-BC17969  Carex angustata George Dexter Butler 1909-6-22 855 Siskiyou Goosenest foothills. Comment
  CAS-BOT-BC17963  Carex angustata William J. Ferlatte 1974-7-26 1594 Siskiyou Trinity Alps. Big Flat, near South Fork of Salmon River. Bottom of meadow west of campground. 1508 Comment
  UCR228240  Carex atherodes Peter F. Zika 2010-7-21 25197 Siskiyou Cascade Range Highlands, Grass Lake, on north side of Route 97, 0.4 road miles east northeast of Grass Lake Rest Area 1540 Comment
  UC195519  Carex athrostachya Geo. D. Butler 1909-6-22 854 Siskiyou Goosenest foothills Comment
  CAS-BOT-BC19072  Carex aurea John Thomas Howell 1937-7-22 13257 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC19563  Carex bolanderi Elmer I. Applegate 1895-5-28 786 Siskiyou Sisson, Strawberry Valley. Comment
  HSC76802  Carex bolanderi L. P. Janeway 1982-7-18 84 Siskiyou Next to SW-flowing tributary to Green Creek, 1/4 mi. N of the upper junction of FS 19N07 and FS 18N24 along FS 19N07 1341 Comment
  CAS-BOT-BC19657  Carex brainerdii John Thomas Howell 1939-8-3 15008 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  CAS-BOT-BC34160  Carex breweri J. D. Hooker; A Gray 1877-1-1 s.n. Siskiyou Mt. Shasta. Comment
  CAS-BOT-BC34885  Carex deflexa var. boottii John Thomas Howell 1937-7-25 13476 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC20044  Carex echinata H. E. Brown 1897-6-16 416 Siskiyou North side of Mount Shasta. Comment
  CAS-BOT-BC19871  Carex echinata subsp. echinata J. W. Stacey 1939-7-21 13724 Siskiyou Mount Shasta. In the Wagon Camp Sedge Swamp. 1737 Comment
  CAS-BOT-BC20131  Carex feta H. M. Hall; E. B. Babcock 1903-6-1 4061 Siskiyou Sierra Nevada Mountains. Mount Shasta. Sisson. 1066 Comment
  CHSC107148  Carex feta R. E. Brainerd 2009-7-22 1555 Siskiyou Red Hill Meadow, east of Mt. Shasta; 4 air miles east of McCloud. UTM Zone 10 478466E 4568630N. 1036 Comment
  HSC29642  Carex fracta Frederick W. Oettinger 1969-8-16 1393 Siskiyou Marble Mtn. Wilderness Area, SW of Wiregrass Meadow above English Lake. 1677 Comment
  CAS-BOT-BC9328  Carex fracta Wm. Bridge Cooke 1939-7-7 13621 Siskiyou Mount Shasta. Lower Wagon Camp springs 1737 Comment
  HSC77158  Carex globosa L. P. Janeway 1983-7-17 415 Siskiyou NE facing slope at edge of FS Rd. 18N33, 7 mi. from the Grayback Rd. 1463 Comment
  CAS-BOT-BC20468  Carex halliana Dean William Taylor; Glenn L. Clifton; R. Doug Stone 1987-8-6 9248 Siskiyou Extreme NE portion of county. Medicine Lake. About 300 NW of USFS guard station on road to Little Mt. Hoffman. 2039 Comment
  UC1576728  Carex halliana Dean Wm. Taylor, Glenn L. Clifton, Rexford E. Palmer 1987-8-9 9269 Siskiyou on floor of Alcohol Crater Medicine Lake area 2072 Comment
  RSA530123  Carex halliana D. W. Taylor, Glenn L. Clifton, Stone 1987-8-6 9248 Siskiyou Medicinne Lake, extreme NE portion of county; T43N R3E Sec 10, about 300 NW of USGS guard station on road to Little Mt. Hoffman 2040 Comment
  RSA0034288  Carex hassei Peter F. Zika, Barbara Wilson 2011-7-31 25668 Siskiyou FS Road 41N03, 1.6 road miles from junction with Gazelle-Callahan Road, 1.5 air miles NE of Mountain House, 3.5 air miles NW of Crater Lake, Scott Mountains, Klamath Range (KR). 1600 Comment
  HSC97429  Carex integra Jennifer Whipple 1977-7-21 2013 Siskiyou Near Durney Lake 2073 Comment
  CAS-BOT-BC35476  Carex jonesii A. A. Heller 1922-7-15 13708 Siskiyou Medicine Lake 2133 Comment
  UCR66602  Carex kelloggii J. T. Howell 1939-8-3 14960 Siskiyou Marble Mountains, Spirit Lake. 1829 Comment
  SEINET7563560 Image available Carex laeviculmis Frederick W. Oettinger 1969-8-19 1458 Siskiyou Abbott's Basin, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1905 Comment
  SEINET7563585 Image available Carex laeviculmis Frederick W. Oettinger 1968-9-9 799 Siskiyou From Tom's Upper Pond to Tom's Lower Pond. The High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area. 2012 Comment
  CHSC40182  Carex lenticularis var. impressa L. P. Janeway 1982-8-13 123 Siskiyou Bench above and on ne side of Bear Cr near trail. 1615 Comment
  CHSC84689  Carex lenticularis var. impressa L. P. Janeway 2003-8-9 7957 Siskiyou Klamath Ranges. Siskiyou Mountains; west side of Echo Lake, between Cook and Green Pass and Red Butte. Small lake in cirque on north side of the ridge. Meadow between edge of lake and slope. 1664 Comment
  CHSC62595  Carex lenticularis var. lipocarpa L. P. Janeway 1993-8-31 4573 Siskiyou Northeast side of Cliff Lake; headwaters of South Fork Sacramento River. 1758 Comment
  RSA237288  Carex lenticularis var. lipocarpa Frederick W. Oettinger 1968-9-7 750 Siskiyou North side of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  CAS-BOT-BC31437  Carex leporinella John Thomas Howell 1939-8-8 15155 Siskiyou Black Mt. Marble Mts. Comment
  SEINET7566381 Image available Carex luzulina L. P. Janeway 2006-7-4 8783 Siskiyou Scott Mountain 7.5' Quad. Klamath Ranges, Scott Mountains, Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  UCD140533  Carex luzulina Robert E. Preston 2001-6-30 1655 Siskiyou Klamath National Forest, Hemlock Lake. 1889 Comment
  RSA237258  Carex luzulina var. ablata Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1291 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  RSA237356  Carex luzulina var. ablata Frederick W. Oettinger 1969-8-22 1504 Siskiyou South end of Horse s Hole, near Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 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
  HSC97433  Carex multicaulis Jennifer Whipple 1976-6-18 1040 Siskiyou Near Little Crater Lake 2470 Comment
  CAS-BOT-BC32220  Carex multicostata Rimo Bacigalupi; Mr. VanDeventer; Mrs. VanDeventer 1959-7-10 7303 Siskiyou Meadow at Twin Valley, Siskiyou Mts. just E of Del Norte County line. 1493 Comment
  HSC45541  Carex nebrascensis J. P. Smith, Steve Selva 1970-7-16 4374 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  CAS-BOT-BC119902  Carex nebrascensis George Dexter Butler 1909-6-13 858 Siskiyou Damp meadow near Oro Frio. Comment
  HSC29645  Carex nigricans Frederick W. Oettinger 1968-8-2 358 Siskiyou Marble Mtn. Wilderness Area, Diamond Lake 2073 Comment
  UC194551  Carex nudata Geo. D. Butler 1910-7-6 1646 Siskiyou Shackleford Creek 914 Comment
  HSC37420  Carex ovalis J. O. Sawyer 1969-7-18 1374 Siskiyou E of Waterdog Lake 2012 Comment
  CHSC48071  Carex pachystachya L. P. Janeway 1983-8-26 607 Siskiyou At Poker Flat, a mdw. Across road on N edge of mdw. 1524 Comment
  HSC76949  Carex pachystachya K. T. Stillman 1976-7-15 257 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  UC837242  Carex pachystachya A. A. Heller 1916-7-20 12468 Siskiyou near Wagon Creek Falls (e side of Mt. Eddy); Mt. Eddy 1524 Comment
  CHSC43907  Carex pellita L. P. Janeway 1984-6-21 855 Siskiyou South shore of Klamath River, near hwy 96 milepost 68.00 and 1.0 mi W of Hamburg and Mill Cr. 457 Comment
  CAS-BOT-BC118930  Carex pellita T. C. Fuller 1964-10-7 12686 Siskiyou Roadside ditch, E side of Hwy 99, S limits of Weed. Comment
  CAS-BOT-BC119128  Carex phaeocephala William Bridge Cooke 1940-7-26 15386 Siskiyou On west side of Shastina. Mount Shasta. 2743 Comment
  HSC285  Carex phaeocephala William J. Ferlatte 1967-8-21 1077 Siskiyou Caribou Basin, Sawtooth ridge W of Big Caribou Lake 2134 Comment
  LA17781  Carex phaeocephala J. W. Stacey; 1940-7-26 15386 Siskiyou Mount Shasta, in the vicinity of Merriam's timberline on the W side of Shastina 2743 Comment
  JEPS117599  Carex praegracilis Lowell Ahart, John Dittes 2010-7-30 16951 Siskiyou South side of a water ditch, at the edgee of the dry upland, about 30 yards south of the Shasta River, about 80 yards west of the pipe across the Shasta River, about 200 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) s 716 Comment
  RSA238934  Carex preslii Frederick W. Oettinger 1969-9-3 1620 a Siskiyou Shasta Ridge below English Peak. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CHSC99696  Carex rossii L. P. Janeway 2008-7-24 9471 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
  HSC29650  Carex rossii Frederick W. Oettinger 1969-9-4 1625 Siskiyou Franz Peak ridge near Hancock Lake 1982 Comment
  HSC470  Carex rostrata William J. Ferlatte 1966-8-3 293 Siskiyou Josephine Lake basin 1677 Comment
  HSC76824  Carex scabriuscula L. P. Janeway 1982-8-14 136 Siskiyou Just E of Elk Wallow 1646 Comment
  HSC76827  Carex scabriuscula L. P. Janeway 1982-8-14 137 Siskiyou Just E of Elk Wallow 1646 Comment
  HSC77155  Carex scabriuscula L. P. Janeway 1983-8-27 623 Siskiyou Twin Valley, lower meadow near trail, on W side of creek. 1494 Comment
  HSC103349  Carex scabriuscula Thomas W. Nelson, Jane Nelson 1982-7-16 7232 Siskiyou Along west side of Forest Service Rd. 42N17, at summit above Deadfall Meadow, near crossing of Pacific Crest Trail. (Siskiyou-Trinity county line) 2073 Comment
  HSC39278  Carex scopulorum J. O. Sawyer 1968-7-22 553 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC62617  Carex scopulorum Ruby Van Deventer Siskiyou Youngs Valley Comment
  RSA238968  Carex scopulorum Frederick W. Oettinger 1968-9-5 710 Siskiyou At south end of Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2072 Comment
  CHSC96434  Carex scopulorum var. bracteosa Gordon Leppig; Jennifer Kalt 1996-7-9 368 Siskiyou Klamath National Forest. Russian Wilderness, Little Duck Lake Fen. In cirque west of Little Duck Lake. UTM Zone 10 NAD 1927, 503813E, 4572466N. 2200 Comment
  UC1265468  Carex scopulorum var. bracteosa Frederick W. Oettinger 1969-9-4 1649 Siskiyou Tobacco Lake, lower wet meadow Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  SD204750  Carex simulata R. F. Thorne 1969-8-2 63397 Siskiyou Klamath Ranges region: Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness, along trail to English Peak. Comment
  CAS-BOT-BC117248  Carex spectabilis John Thomas Howell 1937-7-24 13432 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  HSC30524  Carex spectabilis Frederick W. Oettinger 1968-9-4 700 Siskiyou Marble Mtn. Wilderness Area, slope SE of Abbott's Lake 1723 Comment
  RSA233693  Carex spectabilis Robert F. Thorne, Frederick W. Oettinger 1969-8-10 38949 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  RSA238959  Carex spectabilis Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1178 Siskiyou Wet meadow between Tobacco Lake and Mud Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  SEINET7575753 Image available Carex spectabilis Frederick W. Oettinger 1969-8-19 1439 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area, meadow southeast of Arrow Peak and north of English Peak. Comment
  CAS-BOT-BC117342  Carex stipata W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow. Sisson. Comment
  UC725961  Carex stipata var. stipata A. A. Heller 1925-7-13 13897 Siskiyou College Camp Comment
  CAS-BOT-BC115841  Carex subfusca Elmer Ivan Applegate 1895-5-28 780 Siskiyou Sisson, Strawberry Valley. Comment
  CHSC82804  Carex subfusca L. P. Janeway 2002-7-12 7628 Siskiyou High Cascade Range. Along Ash Creek 5.0 km south of summit of Ash Creek Butte, about 0.8 km northwest of The Ford. 1561 Comment
  UC1021829  Carex subfusca J. M. Tucker 1950-7-24 1951 Siskiyou ca. 6 mi nw Pilgrim Creek Experiment Station (beside Cold Creek at the Military Road crossing); Mount Shasta, Cold Creek Comment
  UC637053  Carex vesicaria Edward Lee 1934-8-13 1075 Siskiyou Happy Camp, Waldo (Oregon) Road Watershed of West Branch of Indian Creek 1371 Comment
  RSA565000  Carex whitneyi D. W. Taylor 1987-6-8 9034 Siskiyou Lava Crack Spring. Modoc Plateau. 1372 Comment
  CAS-BOT-BC59703  Cassiope mertensiana Louis C. Wheeler 1934-8-17 3178 Siskiyou Klamath Forest. White Mountain. 1828 Comment
  CAS-BOT-BC249375  Castilleja applegatei Elmer I. Applegate 1936-7-3 10499 Siskiyou Lava Beds National Monument. East slope of Hippo Butte Comment
  HSC19025  Castilleja applegatei subsp. pinetorum J. O. Sawyer 1969-7-25 1521 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  SBBG6734  Castilleja applegatei subsp. pinetorum H. and M. Dearing 1939-6-4 3545 Siskiyou neer Weed Comment
  UC1190240  Castilleja applegatei subsp. pinetorum Ira L. Wiggins 1955-7-24 13486 Siskiyou ridge between upper reaches of China Creek and Blind Horse Creek 1463 Comment
  UC885411  Castilleja applegatei subsp. pinetorum A. A. Heller 1916-6-20 12398 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 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
  HSC61197  Castilleja arachnoidea Al Hobart 1968-6-20 Siskiyou El Capitan. Comment
  HSC97800  Castilleja arachnoidea Thomas W. Nelson, Shauna Hee 2006-8-4 9475 Siskiyou Scott Mtn. Pass, along ridge between Carmen Lake, Hwy. 3, ridge S of junction of FS Rds. 40N08 and 44N44 1671 Comment
  JEPS26032  Castilleja arachnoidea Lauramay T. Dempster with Clare B. Hardham 1961-7-1 1842 Siskiyou 1.5 mi e White Mtn. (along ridge from Condrey Peak to White Mtn, watershed between Dutch Creek (Applegate River) and Horse Creek (Klamath River)); Siskiyou Mtns., Dutch Creek, Horse Creek 1889 Comment
  UC1190242  Castilleja arachnoidea Ira L. Wiggins 1955-7-27 13557 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area 2042 Comment
  POM266841  Castilleja arachnoidea subsp. shastensis Marion Ownbey, Fred G. Meyer 1940-7-5 2180 Siskiyou Well below timberline on east side of Mt. Shasta. Comment
  CDA18397  Castilleja lacera G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-21 2784 Siskiyou Klamath Ranges; Yreka, behind (west of ) Motel 6, southside of town, north of Greenhorn Creek Road. 2194 Comment
  HSC19170  Castilleja miniata J. O. Sawyer 1969-7-24 1506 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  HSC61814  Castilleja miniata Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  JEPS9772  Castilleja miniata Geo. D. Butler 1908-8-10 424 a Siskiyou Shackleford Creek Comment
  POM15464  Castilleja miniata Copeland 1903-8-17 3809 Siskiyou Foot of Mt. Eddy. 1159 Comment
  CAS-BOT-BC253616  Castilleja miniata Edmonds 1890-7-6 s.n. Siskiyou unspecified Comment
  CAS-BOT-BC254112  Castilleja miniata Wm. Bridge Cooke 1939-8-24 13897 Siskiyou Squaw Valley Creek Meadows. Flora of Mount Shasta 2438 Comment
  HSC63134  Castilleja miniata subsp. miniata M. A. Baker 1979-7-30 1070 Siskiyou 1900 Comment
  JEPS83825  Castilleja pruinosa Wayne Roderick Jul 1976 Siskiyou vicinity Cook and Green Pass (along trail to Copper Butte); Siskiyou Mts. Comment
  UC164321  Castilleja pruinosa Geo. D. Butler 1910-5-23 1387 Siskiyou Humbug Mountain Comment
  UC164433  Castilleja pruinosa Geo. D. Butler 1919-5-10 1329 Siskiyou Goosenest foothills Goosenest 1524 Comment
  POM42532  Castilleja pruinosa Geo. D. Butler 1910-6-7 1529 Siskiyou Greenhorn Mountain. Comment
  SEINET269404 Image available Castilleja tenuis Richard J. Shaw 1963-6-11 1285 Siskiyou Along old highway 99 2 miles north of Weed 1067 Comment
  CHSC68028  Ceanothus arcuatus James D. Jokerst 1992-7-30 3411 Siskiyou Top of divide between Trinity River, N of road. Pine stand SE of Summit. [No additional location data; W of Interstate 5? V. Oswald]. Comment
  CAS-BOT-BC48650  Ceanothus cordulatus A. A. Heller 1905-6-5 7968 Siskiyou Between Shasta Retreat and Shasta Springs, along the Sacramento a short distance below Shasta Springs 762 Comment
  CAS-BOT-BC48652  Ceanothus cordulatus L. E. Detling 1950-6-8 6588 Siskiyou Dunsmuir 792 Comment
  CHSC1498  Ceanothus cordulatus V. Keeler 1935-5-9 Siskiyou Near Mt. Shasta City. 1097 Comment
  CAS-BOT-BC49191  Ceanothus cuneatus Doris K. Kildale 1929-6-25 8370 Siskiyou Klamath River, 6 miles north of Hornbrook 609 Comment
  HSC59647  Ceanothus cuneatus J. P. Smith 1973-5-5 6435 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC63602  Ceanothus integerrimus D. M. Traugh 1933-5-30 75403 Siskiyou Klamath Forest. 579 Comment
  CAS-BOT-BC50686  Ceanothus integerrimus var. macrothyrsus Geo. D. Butler 1910-8-7 1819 Siskiyou Humbug Mountain 1219 Comment
  POM301658  Ceanothus integerrimus var. macrothyrsus Carl B. Wolf 1941-7-26 11083 Siskiyou 4 miles NE of summit of Buckhorn Mt, on the Weaverville Redding road. 732 Comment
  CAS-BOT-BC53098  Ceanothus prostratus Elmer I. Applegate 1895-5-29 82 Siskiyou Sisson Comment
  HSC39317  Ceanothus prostratus J. P. Smith 1974-5-26 7381 Siskiyou Along FS Rd. 47N03 1524 Comment
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Feb 26 2013
  CDA35686  Ceanothus prostratus T. C. Fuller 1962-6-11 8949 Siskiyou East side of Highway 99 to Mt. Shasta City, 1.3 miles south of Black Butte Summit. 0 Comment
  CAS-BOT-BC63158  Ceanothus velutinus W. B. C. 1938-6-24 11104 Siskiyou Sisson Southern Trail. 1524 Comment
  OBI36629  Ceanothus velutinus David J. Keil 1983-7-3 17381 Siskiyou Slopes of Mt. Shasta along Memorial hwy Comment
  RSA398979  Ceanothus velutinus Bonnie C. Templeton 1964-6-9 10064 Siskiyou Slope of Mt. Shasta Comment
  SDSU10416  Ceanothus velutinus D. F. Howe 1977-7-5 4999 Siskiyou Area N of Mt. Shasta. 1433 Comment
  UCD14430  Centaurea cyanus R. M. Rhode 1984-5-26 s.n. Siskiyou downtown Weed, at the intersection of Highway 97 and Business 5; 1056 Comment
  UCD130123  Centaurea virgata subsp. squarrosa T. C. Fuller 1969-7-1 18618 Siskiyou Hawkinsville, just north of Yreka. Comment
  HSC103178  Cerastium arvense subsp. strictum Dana York 2011-9-8 3088 Siskiyou Klamath National Forest, slopes of Kings Castle 2175 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
  CDA3357  Cerastium dichotomum T. C. Fuller 1962-6-12 8969 Siskiyou B. M. Long property, Little Shasta Road, 5 miles east of Montague. 0 Comment
  CAS-BOT-BC384987  Cerastium dichotomum T. C. Fuller 1962-5-18 8475 Siskiyou B. M. Long prop., Little Shasta Rd., 5 mi. e. of Montague Comment
  CDA3344  Cerastium glomeratum T. C. Fuller 1962-5-17 8742 Siskiyou Behind El Rancho Motel, Yreka. 0 Comment
  UC637080  Ceratophyllum demersum Edward Lee 1934-8-12 1240 Siskiyou s side of the Klamath River near the mouth of Walker Creek ((e end of Seiad Valley)); s side of Klamath River near mouth Walker Creek 426 Comment
  HSC36689  Cercis occidentalis Brent Whiteley 1975-6-21 14 Siskiyou 223 Comment
  CAS-BOT-BC276776  Chaenactis douglasii var. douglasii Gilbert Muth 1969-8-6 1252 Siskiyou Boulder Peak Ridge Comment
  UC1282028  Chaenactis douglasii var. douglasii Louise Kellogg Aug 5 1953-Aug 7 1953 128 Siskiyou 1 mi n of Cory Peak (Klamath National Forest (11 mi e of Callahan on road to Gazelle, then s 5.8 mi on logging road), Cabin Meadow); Klamath National Forest, Scott Mountains, Cabin Meadow 1844 Comment
  UC1220371  Chaenactis suffrutescens Arthur S. Weston 1963-7-6 1005 Siskiyou 4 mi n of Cecilville (road from Sawyer's Bar to Cecilville) 1219 Comment
  UC128643  Chaenactis suffrutescens Harley P. Chandler 1731 Siskiyou Etna Mills North Coast Ranges 914 Comment
  UCD130440  Chaenactis suffrutescens M. V. Maxwell 1941-6-26 s.n. Siskiyou 14 miles east of Montague. 670 Comment
  SEINET11856212  Chaenactis suffrutescens H. M. Hall, Babcock, E. B. 1903-1 4081 Siskiyou Sierra Nevada Mountains, upper part of Shasta Valley, Mount Shasta 1158 Comment
  CHSC69086  Chamaebatiaria millefolium Vernon Oswald; Lowell Ahart 1997-7-28 8772 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi south of Medicine Lake. 1365 Comment
  RSA11887  Chamaebatiaria millefolium Elmer I. Applegate 1932-6-13 7240 Siskiyou Captain Jack's Stronghold, Modoc Lava Beds Comment
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Feb 10 2013
  JEPS9107  Chamaesaracha nana W. L. Jepson 1940-7-1 20087 Siskiyou 6 mi e McCloud (Fowlers Camp); McCloud River 975 Comment
  CDA41127  Chamaesaracha nana T. C. Fuller 1962-6-12 8967 Siskiyou East side of Davis Road to Medicine Lake, 0.2 mile south of road to Dorris, ca. 16 miles east of MacDoel. 0 Comment
  HSC8630  Chamaesyce glyptosperma R. C. Wunner 1965-8-27 435 Siskiyou Lava Beds National Monument, about 1 mi. from NW entrance 1220 Comment
  RSA12607  Chamaesyce serpillifolia C. B. Wolf 1934-7-6 5978 Siskiyou 1/4 mile east of Mt. Shasta City, southwest slope of Mt. Shasta 1098 Comment
  UC375364  Chamaesyce serpyllifolia Geo. D. Butler 1908-7-14 Siskiyou along creek near Yreka Comment
  UC642565  Chamaesyce serpyllifolia L. W. Wheeler 1930-6-30 13578 Siskiyou Howard Mount Shasta Comment
  CHSC26170  Chamerion angustifolium subsp. circumvagum J. P. Kroessig 1977-8-5 48 Siskiyou McBrides Springs Campground on Mt. Shasta, ca. 4.5 km n of Mt. Shasta City. 1460 Comment
  CHSC66542  Chamerion angustifolium subsp. circumvagum Vernon H. Oswald 1996-7-12 7996 Siskiyou High Cascade Range. Everitt Memorial Hwy. (A10) E of Mt. Shasta city between mileposts 5 and 6. At roadside. 1554 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
  UC452633  Chenopodium berlandieri H. W. Furlong Sept. 1901 Siskiyou Summit to Ager Comment
  RSA233695  Chenopodium botrys R. F. Thorne, Frederick W. Oettinger 1969-8-10 38949 Siskiyou Mt. Shasta National Forest: Southwest slope of Mt. Shasta along Ski Bowl Road. 1280 Comment
  UC851051  Chenopodium pumilio A. A. Heller 1915-8-24 12210 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  HSC92970  Chimaphila menziesii Jennifer Whipple 1977-8-6 2246 Siskiyou Dale Creek drainage on N face of Mount Eddy 2195 Comment
  RSA756944  Chimaphila menziesii R. F. Thorne 1969-8-2 63339 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  CAS-BOT-BC94551  Chimaphila umbellata R. C. Wenk 2006-9-2 553 Siskiyou trail to Caribou Lakes from Big Flat Meadow, by side of trail in coniferous forest below Browns Meadow 2011 Comment
  UC876107  Chimaphila umbellata John Thomas Howell 1937-7-26 13559 Siskiyou Caribou Gulch Comment
  CAS-BOT-BC452273  Chimaphila umbellata Maxine Wilkes 1940-8-20 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  CAS-BOT-BC452285  Chimaphila umbellata C. L. Hitchcock; J. S. Martin 1939-7-8 5300 Siskiyou Ca. 15 miles N of Happy Camp on Happy Camp-Takilma Hwy 914 Comment
  UC722298  Chimaphila umbellata C. L. Hitchcock and J. S. Martin 1939-7-8 5300 Siskiyou ca. 15 mi. n. Happy Camp (on Happy Camp-Takilma Hwy.) 914 Comment
  CAS-BOT-BC36389  Chrysolepis chrysophylla H. A. Thomas; J. H. Thomas 1957-7-23 4471 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Vicinity of Blind Horse Creek 1036 Comment
  OBI55420  Chrysolepis chrysophylla var. chrysophylla David J. Keil 1992-7-20 23498 Siskiyou Klamath Natl Forest, SW of Fort Jones. Along forest Road 44N45, 8.1 mi S of Scott River Rd, 2.7 mi S of turnoff to Lover's CAmp Comment
  JEPS24624  Chrysolepis sempervirens Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6777 Siskiyou 2.3 mi above town of Mt. Shasta (Sisson) (along Everitt Memorial Highway to Panther Meadow, sw base of Mt Shasta); Mt. Shasta, Everitt Memorial Highway 1219 Comment
  SBBG25330  Chrysolepis sempervirens J. M. Tucker, L. K. Mann 1963-7-4 3692 Siskiyou rd from Etna to Sawyer's Bar, ca. 4.7 mi (by rd) SW of Etna Comment
  CAS-BOT-BC32779  Chrysothamnus parryi subsp. latior Amos Arthur Heller 1915-8-26 12250 Siskiyou Wagon creek at the foot of Mt. Eddy 1127 Comment
  CAS-BOT-BC190008  Cinna latifolia J. M. Tucker 1963-8-19 3775 Siskiyou Marble Mountain Wildnerness Area. Headwaters of Canyon Creek. 1950 Comment
  UCR51764  Cirsium andersonii Thomas W. Nelson, J. Nelson, J. P. Smith 1978-7-24 4545 Siskiyou Along State Route 3, just north of Scott Mtn summit. 1585 Comment
  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-BC278053  Cirsium cymosum John Thomas Howell 1937-7-29 13649 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  POM33212  Cirsium cymosum Geo. D. Butler 1910-5-20 1368 Siskiyou Near Yreka. Comment
  UC60987  Cirsium douglasii var. breweri Geo. B. Grant 1902-9-1 5149 Siskiyou Sisson Mount Shasta, Sisson 914 Comment
  CAS-BOT-BC279887  Cirsium douglasii var. breweri W. R. Dudley 1901-8-25 s.n. Siskiyou By trail to Criol's Jackson Creek - Salmon Mts. Comment
  CDA1275  Cirsium inamoenum T. C. Fuller 1979-10-3 20271 -B Siskiyou Goosenest Rd., 14 km northeast of Tennant. 0 Comment
  CDA1276  Cirsium inamoenum T. C. Fuller 1979-10-3 20271 -C Siskiyou Goosenest Rd., 14 km northeast of Tennant. 0 Comment
  UC1211911  Cirsium occidentale var. candidissimum Roy L. Taylor 1960-6-12 4443 Siskiyou n of Yreka (1 mi w of jtn. of Hwy. 96 and Hwy 99, above Kalmath River); Klamath River Comment
  UCR24851  Cirsium pastoris John C. Roos 1948-9-2 3979 Siskiyou Fort Jones 915 Comment
  CAS-BOT-BC288778  Cirsium remotifolium Gilbert Muth 1966-8-1 485 Siskiyou Marble Valley Horse Pasture, Marble Mts 1792 Comment
  CAS-BOT-BC286473  Cirsium scariosum David D. Keck 1949-7-19 6350 Siskiyou 2 mi. S. of Grenada 777 Comment
  CAS-BOT-BC228964  Cistanthe umbellata Wm. Bridge Cooke 1938-8-18 11507 Siskiyou Mount Shasta. Horse Camp slopes Comment
  CAS-BOT-BC228966  Cistanthe umbellata Wm. Bridge Cooke 1939-7-13 13658 Siskiyou Mount Shasta. Red Butte in The South Gate Comment
  CAS-BOT-BC228988  Cistanthe umbellata Mrs. H. P. Bracelin 1931-6-21 454 Siskiyou North side of Mt. Eddy above Dobkin's Lake, near Mt. Shasta City 2133 Comment
  RSA47808  Clarkia gracilis subsp. gracilis Roxana S. Ferris, Laura Lorraine 1948-6-12 11711 Siskiyou Schoolhouse Hill, Plowman s Valley (Noyes Valley), east fork of Scott River. Comment
  SBBG29105  Clarkia purpurea subsp. quadrivulnera L. C. Wheeler 1935-6-27 3609 Siskiyou Greenview, Scott Valley 883 Comment
  POM37807  Clarkia purpurea subsp. quadrivulnera Geo. D. Butler 1910-5-21 1375 Siskiyou Klamath hills Comment
  CAS-BOT-BC164974  Clarkia rhomboidea Doris K. Kildale 1930-6-1 9707 Siskiyou Salmon River between Somes Bar and Forks of Salmon 365 Comment
  CAS-BOT-BC439102  Claytonia cordifolia L. B. Kildale 1930-5-31 9740 Siskiyou Summit between Sawyers Bar and Etna Mills Comment
  CAS-BOT-BC292669  Claytonia obovata Ira L. Wiggins 1950-5-28 12393 Siskiyou 0.3 miles west of Carmen Lake 1706 Comment
  JEPS43305  Claytonia parviflora subsp. parviflora Geo. D. Butler 1909-3-26 681 Siskiyou Oro Fino Comment
  RSA237269  Claytonia perfoliata Frederick W. Oettinger 1967-6-28 130 Siskiyou On Salmon River near mouth of Kelly Gulch. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 616 Comment
  RSA60492  Claytonia sibirica John H. Thomas 1949-6-16 943 Siskiyou 1/4 mi north of Beaver Creek Public Camp, along Beaver Creek; 5 mi north of junction of Beaver Creek and Klamath River; Klamath National Forest. Comment
  CAS-BOT-BC443866  Claytonia sibirica Clarence R. Quick 1959-6-19 59 -23 Siskiyou 6.7 miles south of Cour [Four] Corners on ridge south-east of Seiad Valley Comment
  UC118736  Clematis ligusticifolia Brandegee July 1887 Siskiyou Edgewood Comment
  UC165950  Clematis ligusticifolia Geo. D. Butler 1910-8-3 1810 Siskiyou Yreka Creek Comment
  SBBG70275  Cleome platycarpa A. A. Heller 1927-8-2 14440 Siskiyou N end of Shasta Valley, near the Klamath River Comment
  CDA25290  Cleome platycarpa J. R. Grisham 1960-7-21 Siskiyou South side of road, 1 miles northwest of Montague. 0 Comment
  CAS-BOT-BC238054  Collinsia Alice Eastwood 1912-7-16 1144 Siskiyou Mc Cloud [McCloud] Comment
  CHSC57456  Collinsia linearis L. P. Janeway 1984-6-22 876 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08. Comment
  CAS-BOT-BC412801  Collinsia linearis Clarence R. Quick 1958-6-17 58 -20 Siskiyou Along telephone line near Black Bear Summit south of Sawyer's Bar on ridge road to Cecilville 1356 Comment
  JEPS3848  Collinsia linearis Duncan Dunning 1923-6-13 Siskiyou sw Sawyers Bar (near Blue Ridge Ranger Station) Comment
  RSA78685  Collinsia linearis Philip A. Munz 1952-7-2 17876 Siskiyou Road to Baldy Mt., northwest of Happy Camp, Siskiyou Mts. 1494 Comment
  SJSU6055  Collinsia parviflora R. W. Trivelpiece 1971-6-16 37 Siskiyou N of Alder Cr divide between Whaleback & Haight Mt c. 15 mi N of Mt Shasta 1676 Comment
  JEPS84181  Collinsia rattanii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6295 Siskiyou Indian Creek Road from Takilma to Happy Camp (just s of state line) 1420 Comment
  JEPS15386  Collinsia torreyi var. latifolia Douglas Barbe 1955-7-6 131 Siskiyou above se shore Taylor Lake (on slope); Klamath Mtns, Salmon Mtns 1950 Comment
  JEPS7280  Collinsia torreyi var. latifolia W. L. Jepson 1907-7-5 2828 Siskiyou Marble Mt Comment
  UC1299509  Collomia grandiflora Freed W. Hoffman 1948-7-7 2408 Siskiyou Callahan Comment
  UC718486  Collomia grandiflora Carl B. Wolf 1934-7-6 5980 Siskiyou 1/4 mi e Mt. Shasta City (sw slope of mt.); Mt. Shasta 1097 Comment
  SEINET2445781  Collomia heterophylla A. A. Heller 1905-6-1 7947 Siskiyou Upper Soda Spring. Along railroad opposite Upper Soda Spring, under or near shrubs. Comment
  SEINET10496958  Collomia larsenii Mary Susan Taylor 1980-8-18 Taylor 3264 Siskiyou T43N R1E sw sec 8, Medicine Lake quad. Shasta-Trinity Natl Forest, Little Mount Hoffman, W side, between road and look out. With J. Prouty & E. Heinz. 2225 Comment
  HSC41071  Collomia tinctoria J. O. Sawyer 1969-7-1 993 Siskiyou Above Paynes Lake Creek 1951 Comment
  JEPS71073  Collomia tracyi B. Wise Neilsen 1936-10-18 Siskiyou 2 mi nw Etna Mt.; Salmon Mt. Comment
  UC163664  Comandra umbellata subsp. californica Geo. D. Butler 1909-6-22 1069 Siskiyou Goosnest Foothills Comment
  UC60933  Convolvulus arvensis Geo. B. Grant September, 1902 5219 Siskiyou Sisson Mount Shasta (railway bank) 914 Comment
  JEPS64338  Corallorhiza maculata W. L. Jepson July, 1894 21269 Siskiyou Sisson Comment
  RSA150582  Corallorhiza mertensiana Lee W. Lenz 1961-6-23 24364 Siskiyou On the Oregon slope of the Siskiyou Mts., road between Happy Camp and OBrien 1220 Comment
  CHSC105584  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-3 16191 Siskiyou Shasta-Trinity National Forest, along road 40N26 west of Lake Siskiyou, on north side of road; Lat. and Long. indicated +/- 52 feet. 1198 Comment
  RSA397694  Cornus californica H. E. McMinn 1931-6-27 2513 Siskiyou Shasta City. Comment
  HSC65078  Cornus glabrata J. P. Smith, Steve Selva 1970-6-15 3937 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  UC165401  Cornus glabrata Geo. D. Butler 1910-5-22 1385 Siskiyou Yreka Creek Comment
  SEINET8083541  Cornus glabrata G. D. Butler 1910-5-22 1385 Siskiyou Yreka creek Comment
  CAS-BOT-BC212055  Cornus nuttallii J. H. Thomas 1954-5-13 4162 c Siskiyou Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, along Rush Creek, Salmon Mountains, Klamath National Forest 1127 Comment
  CAS-BOT-BC212060  Cornus nuttallii Alice Eastwood 1912-7-24 1385 Siskiyou Castella Comment
  CAS-BOT-BC212073  Cornus nuttallii John Thomas Howell 1937-7-26 13547 Siskiyou Caribou Gulch Comment
  CAS-BOT-BC210418  Cornus sericea Elmer I. Applegate 1923-9-7 3947 Siskiyou Doggett Creek, Klamath River Comment
  SFV5169  Cornus sericea subsp. sericea B. C. Templeton 1960-6-21 8557 Siskiyou Klamath Mountains 2 miles below the summit of Scott Mountain. 1430 Comment
  UC60983  Cornus sericea subsp. sericea Geo. B. Grant September 1902 5212 Siskiyou Mt. Shasta, Dunsmuir 609 Comment
  UCD77294  Cornus sericea subsp. sericea Robert E. Preston 2001-6-30 1661 Siskiyou Klamath National Forest, Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  SBBG113471  Corylus cornuta subsp. californica D. Wilken with E. Painter 2000-8-10 15854 Siskiyou just S of Del Norte and Josephine (OR) county lines, NNE of Little Grayback, near head of Indian Crk, O'Brien-Happy Camp Rd 1500 Comment
  POM106651  Corylus cornuta var. californica Geo. D. Butler 1908-3-2 1076 Siskiyou Forest House Mountain. Comment
  CDA4451  Crepis monticola F. D. Horn 1980-5-13 Siskiyou Vacant areas north of Northridge Drive, Yreka. 0 Comment
  HSC78312  Crepis occidentalis subsp. conjuncta L. P. Janeway 1983-8-6 494 Siskiyou Poker Flat. W part of lower portion of meadow. 1529 Comment
  HSC46192  Crepis occidentalis subsp. occidentalis Jennifer Whipple 1977-4-30 1877 Siskiyou Scott Valley near Weston Gulch 854 Comment
  HSC82285  Crepis occidentalis subsp. occidentalis Thomas W. Nelson, Jane P. Nelson 1979-6-15 4806 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  HSC36780  Crepis occidentalis subsp. pumila J. P. Smith 1974-5-25 7409 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  CAS-BOT-BC58389  Crepis pleurocarpa R. C. Wenk 2005-7-15 224 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail. 2133 Comment
  UC922328  Crepis pleurocarpa Annie M. Alexander and Louise Kellogg 1949-7-29 5890 Siskiyou top of ridge above Sky High Lake; Marble Mountains, Sky High Valley 1920 Comment
  CAS-BOT-BC290880  Crepis pleurocarpa Gilbert Muth 1965-8-11 s.n. Siskiyou Marble Valley Comment
  HSC103628  Crepis pleurocarpa Thomas W. Nelson, Jane Nelson 1985-6-19 7842 Siskiyou Along south side of State Route 3, 3.1 mi. N of Scott Mountain Summit. 1524 Comment
  RSA183735  Crepis pleurocarpa Gilbert Muth 1965-8-11 207 Siskiyou Upper meadows, Marble Valley, Marble Mts. Comment
  CDA34521  Crocidium multicaule B. Villegas, Jodi Aceves 2011-5-24 s.n. Siskiyou Klamath National Forest, USFS Road 45N01 off USFS Road 45N11Y. 0 Comment
  CHSC71280  Crocidium multicaule Vernon H. Oswald; Lowell Ahart 1998-6-11 9215 Siskiyou Butte Valley National Grassland near the juction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  UC618853  Cryptantha affinis unknown 1938-7-15 11187 Siskiyou Bear Springs meadow Mount Shasta, Bear Springs 1524 Comment
  JEPS116598  Cryptantha ambigua Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -014 Siskiyou North side of Mt. Shasta, south of Hwy 97, along Forest Service Rd. 42N73 Weed (unburned area within Hotlum Fire perimeter burned in Feb 2006 4 miles NE of town of); Mt. Shasta 1127 Comment
  CAS-BOT-BC94404  Cryptantha torreyana R. C. Wenk 2005-7-15 203 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail 1767 Comment
  HSC99674  Cryptogramma acrostichoides Al Hobart Jul 1964 Siskiyou FS Rd. 17N04, Doe Flat, Buck Lake 1535 Comment
  CAS-BOT-BC80537  Cupressus bakeri O. V. Matthews 1939-7-19 39 Siskiyou N.E. slope of [Goose Nest] Goosenest 1828 Comment
  CAS-BOT-BC80543  Cupressus bakeri Oliver V. Matthews 1939-7-3 19 Siskiyou Sullivan Mine Grove; Cook and Green Region 1219 Comment
  CAS-BOT-BC80549  Cupressus bakeri O. V. Matthews 1939-7-3 19 Siskiyou S. W. of Sullivan Mine, Cook - Green Region, 3 mi. S. of Blue Ledge Mine 1219 Comment
  CAS-BOT-BC80557  Cupressus bakeri C. O. Stone 1964-6-20 290 Siskiyou unspecified 1085 Comment
  POM265146  Cupressus bakeri O. V. Matthews 1939-7-5 21 Siskiyou Sullivan Mine Grove; Cook and Green Reg. 1067 Comment
  RSA17602  Cupressus bakeri C. B. Wolf 1934-7-8 6166 Siskiyou 1 mile NE of Timbered Butte, Modoc Lava beds on Old Stage Road from Dana Little Hot Springs Valley Comment
  RSA24032  Cupressus bakeri O. V. Matthews 1939-7-18 38 Siskiyou NW Goose Nest, E of Yreka Comment
  UC202175  Cupressus bakeri Geo. D. Butler 1910-7-4 1637 Siskiyou Goosenest foothills in rocky canyon Goosenest foothills 1219 Comment
  RSA22768  Cupressus bakeri O. V. Matthews 1939-7-11 32 Siskiyou Near junction of W and E Fork of Seiad Creek, on ridge above company s chromium mine 854 Comment
  SEINET8714458 Image available Cupressus bakeri Oliver V. Matthews 1939-1 38 Siskiyou Northeast Goose Nest Grove. 1829 Comment
  POM215887  Cupressus macnabiana L. C. Wheeler 1935-4-14 3417 Siskiyou Siskiyou Mountains: West Fork Seiad Creek. (Mt. Diablo Mer.) 1159 Comment
  JEPS47088  Cuscuta cephalanthi A. L. Grant 1902-9-1 5217 Siskiyou Sisson Comment
  HSC34152  Cynoglossum occidentale J. O. Sawyer 1969-9-11 2002 Siskiyou Along trail to Big Duck Lake 1707 Comment
  JEPS39354  Cynoglossum occidentale Geo. D. Butler 1909-7-20 940 Siskiyou Highland Mine Comment
  CDA5639  Cynoglossum officinale G. Deal 1967-6-13 Siskiyou 5 miles south of McCloud. 0 Comment
  UC13537  Cypripedium californicum W. C. Blasdale July, 1899 1077 Siskiyou Siskiyou Mountains Comment
  HSC19007  Cystopteris fragilis J. O. Sawyer 1969-7-16 1117 Siskiyou NE facing slope above Siphon Lake 2226 Comment
  RSA59499  Cystopteris fragilis E. K. Balls 1950-5-17 14714 Siskiyou By Schebchin Butte, Lava Beds National Monument 1402 Comment
  UC796587  Cystopteris fragilis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11765 Siskiyou ca. 6 mi from Etna (on forks of Salmon Rd.) 1676 Comment
  CAS-BOT-BC189810  Dactylis glomerata Douglas Barbe 1955-7-1 075 Siskiyou Klamath Mountains. 1.3 mile east of Etna on the Westide Road to Callahan. 853 Comment
  HSC71073  Dactylis glomerata M. A. Baker 1980-6-20 2224 Siskiyou Near Bald Mtn. 1036 Comment
  SEINET10515546  Dactylis glomerata Louis C. Wheeler 1935-6-30 Wheeler 3626 Siskiyou Dry roadside ditch. 3 miles S Yreka. Comment
  UCD60865  Danthonia californica var. americana A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3439 Siskiyou Near Happy Camp. Above Klamath River. Comment
  JEPS83996  Danthonia intermedia L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6358 Siskiyou ca 1/2 mi se Red Butte (ca 7 mi nne of Seiad Valley, sw of Cook and Green Pass) 1730 Comment
  UC618880  Danthonia intermedia W. Bridge Cooke 1938-9-8 11666 Siskiyou Squaw Creek Meadows Mount Shasta Comment
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Jul 31 2010
  CAS-BOT-BC383127  Darlingtonia californica Andrew Townesmith; Karen M. Meyer 2007-8-1 888 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway) 1983 Comment
  UCD119059  Darlingtonia californica Collector unknown Date unknown s.n. Siskiyou Mt. Shasta. Comment
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Nov 6 2019
  UCD168822  Darlingtonia californica Barry Rice 2015-8-14 BR 150801 Siskiyou Southwest shore of Castle Lake. 1660 Comment
  CAS-BOT-BC76247  Darlingtonia californica J. H. Thomas 1949-6-16 959 Siskiyou Between Fort Jones and Etna. Comment
  CAS-BOT-BC420663  Darmera peltata Nora Pettibone 1894-8-8 s.n. Siskiyou Upper Soda Springs Comment
  CAS-BOT-BC420670  Darmera peltata Carl B. Wolf 1927-8-27 1140 Siskiyou On the Klamath River at the mouth of the Crawford Creek Comment
  RSA34341  Darmera peltata Carl B. Wolf 1927-8-27 1140 Siskiyou Mouth of Crawford Creek, Klamath River. Comment
  CAS-BOT-BC141829  Dasiphora fruticosa John Thomas Howell 1939-8-8 15172 Siskiyou Black Mt., Marble Mts. Comment
  RSA15800  Datura stramonium Carl B. Wolf 1927-8-26 1051 Siskiyou Klamath River. 3 miles below Gottenville P.O. Comment
  UCD126528  Datura stramonium P. B. Kennedy 1922-8-29 s.n. Siskiyou Fritz Young Ranch, Scott Valley. Comment
  UC563968  Delphinium andersonii Elmer I. Applegate 1935-6-2 9282 Siskiyou w base Sconchin Butte; Lava Beds National Monument Comment
  HSC98361  Delphinium depauperatum G. L. Clifton 1979-7-1 6170 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  RSA120765  Delphinium depauperatum S. S. Tillett 1956-7-9 632 Siskiyou Scott Mtn, Siskiyou Trinity County line, 8 miles SE of Callahan. 2073 Comment
  HSC69421  Delphinium glaucum John Palmer 1980-8-13 772 Siskiyou Klamath National Forest, Dead Cow Creek near F.S. Rd. 47N44 from Beaver Creek Rd. 1616 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
  UC1334524  Delphinium nudicaule G. A. L. Mehlquist and J. A. Jenkins 1940-5-30 19 Siskiyou e-facing slope Caldwell Butte Comment
  UC165948  Delphinium nudicaule Geo. D. Butler 1910-5-7 1299 Siskiyou dry hills near Yreka Comment
  SBBG30506  Delphinium nuttallianum D. Myrick 1968-6-24 2000 Siskiyou Mountain Meadow Ranch, Big Flat; Coffee Crk 1524 Comment
  CAS-BOT-BC116157  Delphinium nuttallianum Alice Eastwood 1921-7-28 10903 Siskiyou Medicine Lake Comment
  HSC67778  Delphinium nuttallianum J. O. Sawyer, J. Cole 1980-7-21 3871 Siskiyou Near Haight Mtn. along USFS Rd. running S-SW 1939 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
  UC651085  Deschampsia cespitosa subsp. cespitosa L. Whitney 1933-8-2 Siskiyou Slate Creek Comment
  HSC101475  Deschampsia elongata J. P. Smith, J. O. Sawyer 2011-7-21 13040 Siskiyou Near Dillon Camp 1358 Comment
  HSC26484  Deschampsia elongata J. P. Smith, Steve Selva 1970-7-15 4368 Siskiyou 2 mi. below the Baldy Mt. Lookout Station. Comment
  HSC39862  Deschampsia elongata J. P. Smith, Steve Selva 1970-7-15 4368 Siskiyou 2 mi. below the Baldy Mt. Lookout Station. Comment
  JEPS53412  Descurainia incisa subsp. incisa Geo. D. Butler 1908-8-4 126 Siskiyou Head of Shackleford Creek 1676 Comment
  CAS-BOT-BC43268  Descurainia pinnata subsp. glabra George Dexter Butler 1909-1-12 895 Siskiyou McAdams Creek. Comment
  HSC19280  Dicentra formosa J. O. Sawyer 1968-6-18 201 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  JEPS84039  Dicentra formosa L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6303 Siskiyou from Takilma to Happy Camp (Indian Creek Road, just s of state line) Comment
  JEPS91305  Dicentra formosa Dean W. Taylor 1972-7-4 1595 Siskiyou near Lily Pad Lake 3 miles west of Cook & Green Pass 1981 Comment
  RSA166277  Dicentra formosa subsp. formosa Donald Myrick 1961-6-21 312 Siskiyou On Deer Camp Road above Oak Knoll Ranger Station on Klamath River 19 miles west of Highway 99 1829 Comment
  CHSC639  Dicentra pauciflora M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  CAS-BOT-BC402549  Dicentra pauciflora Philip A. Munz 1952-7-2 17914 Siskiyou Rd. to Baldy Mt., ca. 6 air-line miles w. of Happy Camp, Siskiyou Mts. 1554 Comment
  UCD150601  Dicentra pauciflora Rolf Y. Berg 1964-7-4 s.n. Siskiyou Scott Mountain Pass ESE of Callahan. Just north of pass. Comment
  CAS-BOT-BC500906  Dichelostemma capitatum Dorothy Parker 1948-5-25 s.n. Siskiyou Plowman's Valley 1066 Comment
  UC70383  Dichelostemma capitatum Milo S. Baker 1898-2-12 701 Siskiyou n slope Taylor Mt. Comment
  HSC36809  Dichelostemma capitatum subsp. capitatum J. P. Smith 1974-5-27 7628 Siskiyou Along FS Rd. 47N03 1280 Comment
  HSC41069  Dichelostemma capitatum subsp. capitatum J. O. Sawyer 1970-3-4 2075 Siskiyou N of Idlewild Campground 762 Comment
  CAS-BOT-BC502676  Dichelostemma multiflorum A. A. Heller 1919-6-27 7942 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  HSC5957  Dieteria canescens var. canescens D. M. Thomson 1965-8-21 202 Siskiyou California Lava Beds National Monument; 1/2 mi. N of Devil's Homestead Lava Flow Comment
  CAS-BOT-BC290993  Dieteria canescens var. shastensis Elmer I. Applegate 1935-8-3 10011 Siskiyou Caldwell Butte, Lava Beds National Monument Comment
  JEPS94734  Dieteria canescens var. shastensis Vernon H. Oswald and Lowell Ahart 1998-9-8 9611 Siskiyou junction of USFS 3 and 24 2.5 mi w-sw of Hambone Butte (30 air mi n of Burney); junction of USFS 3 and 24 1310 Comment
  UC1096784  Dieteria canescens var. shastensis Wagnon 1957-8-11 1701 Siskiyou ca. 1 mi w, along rd. to Brewer's Creek Military Pass Rd.; North Coast Ranges, e slope of Mt. Shasta, Brewer's Creek 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
  UC830810  Dieteria canescens var. shastensis Alice Eastwood 1921-7-28 10911 Siskiyou Medicine Lake Comment
  CAS-BOT-BC291005  Dieteria canescens var. shastensis R. E. Frenkel 1964-10-2 900 Siskiyou On Everitt Memorial Hwy., 1.7 miles north of McCloud River RR crossing, near Mount Shasta 1290 Comment
  JEPS109234  Digitaria sanguinalis D. W. Taylor 2005-9-29 19502 Siskiyou Weed,lawn margin bordering Boles Creek at the park/picnic area just W of (below) the Hwy 299 bridge [Hwy 97] Comment
  UCR70754  Dimeresia howellii D. W. Taylor, G. L. Clifton, R. D. Stone 1987-8-7 9250 Siskiyou Caldwell Butte, Lava Beds National Monument. On crater floor at northern interior 1500 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
  CAS-BOT-BC153305  Diplacus kelloggii J. H. Thomas 1954-5-13 4156 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Along Rush Creek 1127 Comment
  CAS-BOT-BC153457  Diplacus layneae Geo. D. Butler 1910-6-19 1585 Siskiyou Goosenest foothills 1524 Comment
  CAS-BOT-BC153723  Diplacus nanus Roxana S. Ferris; Laura Lorraine 1948-6-12 11717 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], east fork of Scott River Comment
  CDA6687  Dipsacus fullonum T. C. Fuller 1959-7-9 2911 Siskiyou West of Highway 99, north limits Mt. Shasta City. 0 Comment
  UC1222250  Disporum hookeri Joseph P. Tracy 1951-6-16 19493 Siskiyou summit of The Siskiyous, at crossing of Takilma-Happy Camp Road, near State Line Takilma-Happy Camp Road; The Siskiyous, Takilma-Happy Camp Road Comment
  CAS-BOT-BC136092  Dodecatheon alpinum Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Margin of Cedar Lake - Trinity Mts. 1828 Comment
  RSA238740  Dodecatheon alpinum Frederick W. Oettinger 1968-8-13 502 Siskiyou Open wet meadow at Hancock Lake inlet; Red Fir Forest. Cold snow melt brook flows into the lake here. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  SEINET11973359  Dodecatheon alpinum H. P. Chandler 1901-1 1572 Siskiyou near Marble Mountain 1829 Comment
  HSC383  Dodecatheon jeffreyi William J. Ferlatte 1966-8-5 358 Siskiyou Caribou Mtn. 2561 Comment
  HSC65344  Dodecatheon jeffreyi Rich White 1978-7-3 210 Siskiyou Saddle in Spur Ridge between Dillon Trail and 5759 1662 Comment
  SEINET8563813  Dodecatheon redolens G. D. Butler 1910-6-5 1522 Siskiyou Loy Lake, Shackleford Creek 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
  HSC3851  Downingia montana John H. Weiler, Lincoln Constance, E. Molseed 1960-6-15 60178 Siskiyou Beside railroad tracks about 300 ft. off Hwy. 99, just N of the bridge over the Sacramento River at the N end of Lake Shasta. 396 Comment
  HSC57402  Draba howellii G. L. Clifton, Terry Griswold 1979-7-26 10151 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  HSC61986  Draba howellii Al Hobart 18 Jun [year missing] Siskiyou Preston Peak Comment
  JEPS84107  Draba howellii L. R. Heckard with J. Hickman et al. 1986-7-17 6462 Siskiyou ca 5 mi n of the town Seiad Valley (s of Lily Pad Lake, trail up Kangaroo Peak); s of Lily Pad Lake, Kangaroo Peak, n of Seiad Valley Comment
  SEINET5342912  Draba howellii G. Butler 1910-7-10 1716 Siskiyou In rock crevices-Marble mountain. 1676 Comment
  CAS-BOT-BC41316  Draba pterosperma Jack Major; M. Fleschner; R. Pemble 1966-9-4 s.n. Siskiyou Marble Mountains. Northeast face of Marble Mountain. 2133 Comment
  RSA186335  Draba pterosperma Gilbert Muth 1966-10-19 31 Siskiyou Marble Mountains 1793 Comment
  UC880657  Draperia systyla Alice Eastwood 1912-7-23 1347 Siskiyou Cantara Comment
  UC642568  Drymocallis W. Bridge Cooke 1939-8-22 13829 Siskiyou along Horse Camp Creek; Mount Shasta, along Horse Camp Creek Comment
  HSC42906  Drymocallis glandulosa J. O. Sawyer, Ken Stillman 1976-5-28 2724 Siskiyou Along Rd. W of Sawyers Bar. 610 Comment
  HSC68397  Drymocallis glandulosa Maralyn A. Renner 1980-6-26 1253 Siskiyou SE edge of Flint Valley. 1390 Comment
  HSC29648  Drymocallis glandulosa var. reflexa Frederick W. Oettinger 1968-8-22 598 Siskiyou Marble Mtn. Wilderness Area, ridge between English Peak and Diamond Lake 2165 Comment
  HSC69253  Drymocallis lactea var. lactea J. O. Sawyer, J. Cole 1980-7-20 3724 Siskiyou Near USFS Rd. 45N05 in center of section 1890 Comment
  HSC46070  Dryopteris arguta J. P. Smith, Steve Selva 1970-6-14 3873 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  HSC65120  Dysphania botrys J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5725 Siskiyou Rd. 8, 3.5 mi. from junction with French Creek Rd. 915 Comment
  JEPS98791  Eleocharis Sue Pappalardo 1993-7-19 500 Siskiyou about 4 mi SE of Bear Mountain Lookout (between Forest Service roads 40N38 and 40N36); Shasta Trinity National Forest, McCloud Ranger District 1300 Comment
  CHSC114083  Eleocharis decumbens Danielle Roach 2011-9-13 CLS_ 1 C Siskiyou Sundew Fen, Caldwell Lakes Basin, headwaters of Parks Creek, east slope of China Mountain; UTM Zone 10N, 537220E 4580667N. 2028 Comment
  CHSC88377  Eleocharis macrostachya Jenny Marr 1993-7-1 183 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  POM144779  Eleocharis parishii E. B. Copeland 1903-7-7 3556 Siskiyou Hornbrook. Comment
  SBBG27205  Eleocharis parishii L. C. Wheeler 1934-8-31 3230 Siskiyou Lund Ranch, W Fork Beaver Crk; Siskiyou Mtns 1066 Comment
  CAS-BOT-BC197358  Elymus Melissa A. Berry 1957-7-8 s.n. Siskiyou North Fork of the Salmon River, Somes Bar-Etna Road 609 Comment
  HSC64370  Elymus caput-medusae Don Bateman 1980-6-19 Siskiyou 930 Comment
  CAS-BOT-BC227917  Elymus elymoides John Thomas Howell 1939-8-6 15107 Siskiyou Elk Mt., Marble Mts. Comment
  POM215742  Elymus elymoides L. C. Wheeler 1934-8-6 3057 Siskiyou Siskiyou Mts.; Rock Gulch off Jaynes Canyon; Mt. Diablo Mer. 1829 Comment
  CHSC61569  Elymus elymoides subsp. elymoides L. P. Janeway 1983-8-26 605 Siskiyou Siskiyou Mountains; at Poker Flat, meadow. Along the road on the north side of the meadow. 1524 Comment
  UC1265447  Elymus elymoides subsp. elymoides Frederick W. Oettinger 1968-8-8 455 Siskiyou Crapo Meadow Salmon Mountains, Marble Mountain Wilderness Area (w Siskiyou Co., high lake basins in vicinity of English Peak) 2164 Comment
  HSC41108  Elymus elymoides var. elymoides J. P. Smith, Steve Selva 1970-7-17 4450 Siskiyou Below Kangaroo Lake. 1890 Comment
  HSC41817  Elymus elymoides var. elymoides Robert Wharton 1977-8-20 Siskiyou Along E slope of Mt. Shasta at Wintun Glacier along ridge between Ash & Brewer Creeks 3354 Comment
  HSC75111  Elymus elymoides var. elymoides J. P. Smith, Thomas W. Nelson 1979-6-15 10121 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  HSC69221  Elymus glaucus Maralyn A. Renner 1980-8-31 2623 Siskiyou Twin Valley. 1494 Comment
  HSC76897  Elymus glaucus K. T. Stillman 1976-9-9 491 Siskiyou Marble Mtn. Wilderness Area, trail from jump off to Paradise Lake 1951 Comment
  HSC77089  Elymus glaucus K. T. Stillman 1976-7-30 333 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  CAS-BOT-BC206615  Elymus glaucus subsp. glaucus Alice Eastwood 1912-7-17 1094 Siskiyou McCloud Comment
  HSC103013  Elymus multisetus J. P. Smith 2014-6-6 13870 Siskiyou Roadside along State Route 96 at access to the Klamath River 306 Comment
  HSC39665  Elymus multisetus J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5734 Siskiyou Parrott Mill Rd, 2 mi. S of Sugar Creek 1341 Comment
  HSC68563  Elymus multisetus Maralyn A. Renner 1980-6-8 827 Siskiyou Slopes N of Moffett Creek 945 Comment
  POM112863  Elymus multisetus Geo D. Butler 1909-6-4 812 Siskiyou Dry land near Yreka Comment
  CAS-BOT-BC204266  Elymus trachycaulus subsp. subsecundus David D. Keck 1949-7-19 6353 Siskiyou 6.5 mi. SW of Yreka on road to Ft. Jones, nr. head of Yreka Creek 1127 Comment
  HSC41105  Elymus trachycaulus subsp. trachycaulus J. P. Smith, Steve Selva 1970-7-18 4484 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  RSA105339  Epilobium angustifolium subsp. circumvagum Douglas Barbe 1955-7-5 104 Siskiyou 5 miles north of Etna on Greenview Road 884 Comment
  RSA237650  Epilobium angustifolium subsp. circumvagum Frederick W. Oettinger 1968-8-2 365 Siskiyou Outlet of Diamond Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2073 Comment
  RSA50185  Epilobium angustifolium var. macrophyllum E. K. Balls 1949-7-8 13922 Siskiyou Road from Scott Mountain to Callahan, southern Siskiyou county. 1372 Comment
  CHSC36177  Epilobium brachycarpum K. Bridwell 1978-7-5 166 Siskiyou Ca. 15 mi se of Macdoel, at base of Coyote Ridge. 1341 Comment
  UC873509  Epilobium brachycarpum A. A. Heller 1916-8-24 12554 Siskiyou near Sisson 1074 Comment
  HSC19480  Epilobium ciliatum subsp. ciliatum J. O. Sawyer 1969-7-9 1207 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  SEINET6637243 Image available Epilobium ciliatum subsp. ciliatum A. A. Heller 1915-1 12213 Siskiyou Metcalf's Ranch, NE base of Mount Eddy 1189 Comment
  POM171585  Epilobium ciliatum subsp. ciliatum Doris K. Kildale 1928-7-3 5423 Siskiyou Forks of Salmon, Salmon River 366 Comment
  POM259015  Epilobium ciliatum subsp. ciliatum W. Bridge Cooke 1940-8-8 15419 Siskiyou Mount Shasta: Along the lower Squaw Valley Creek just below the McCloud intake along a lane Comment
  UC61657  Epilobium ciliatum subsp. glandulosum Geo. B. Grant Sept, 1902 5164 Siskiyou Sisson Mount Shasta 914 Comment
  UC1409432  Epilobium ciliatum subsp. glandulosum Frederick W. Oettinger and R. F. Thorne 1969-8-8 1305 Siskiyou Sundew Bog Salmon Mountains, Marble Mountain Wilderness Area (near English Lake, w Siskiyou Co.) 1828 Comment
  RSA600375  Epilobium glaberrimum Louis C. Wheeler 1935-7-23 3683 Siskiyou Siskiyou Mountains: Mt. Diablo Mer.; Mud Springs, Middlehell Creek. 2012 Comment
  UC618800  Epilobium glaberrimum subsp. glaberrimum W. Bridge Cooke 1938-7-15 11193 Siskiyou Bear Springs Meadow Mount Shasta, Bear Springs (marshy portion) Comment
  RSA237400  Epilobium hallianum Frederick W. Oettinger 1969-7-18 1053 Siskiyou Southwest side of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 1951 Comment
  RSA237580  Epilobium hallianum Frederick W. Oettinger 1969-8-14 1381 -b Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area 1738 Comment
  HSC39817  Epilobium hornemannii subsp. hornemannii J. O. Sawyer 1969-7-27 1765 Siskiyou W of Little Duck Lake 2012 Comment
  POM251086  Epilobium hornemannii subsp. hornemannii W. Bridge Cooke 1938-7-15 11257 Siskiyou Wagon Camp spring, Mt. Shasta. 1738 Comment
  HSC61777  Epilobium luteum Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  CHSC32903  Epilobium minutum James P. Smith 1973-5-5 6521 Siskiyou Scott Bar along the Scott River. Comment
  POM38545  Epilobium minutum Geo. D. Butler 1910-4-18 1195 Siskiyou Near Yreka Comment
  CAS-BOT-BC171860  Epilobium septentrionale C. G. Pringle 1881-8-19 s.n. Siskiyou Mountains about the head waters of the Sacramento River 2438 Comment
  HSC62031  Epilobium siskiyouense Al Hobart 4 Aug [year missing] Siskiyou Preston Peak Comment
  CDA42478  Equisetum laevigatum L. Ahart, John Dittes 2006-6-1 12107 Siskiyou 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. Comment
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Oct 5 2019
  JEPS68261  Equisetum laevigatum L. R. Heckard 1972-5-31 2934 Siskiyou se Montague (along road at Shasta River R.R. Bridge) 822 Comment
  HSC60047  Equisetum laevigatum M. A. Baker 1978-5-20 576 Siskiyou 3 km N of Somes Bar Comment
  RSA60487  Equisetum laevigatum John H. Thomas 1949-6-16 941 Siskiyou 10 miles north of Gazelle. Comment
  UC637177  Equisetum telmateia subsp. braunii Edward Lee 1934-8-11 1036 Siskiyou e end Seiad Valley (Walker Creek - a tributary of the Klamath River) 609 Comment
  RSA0045089  Eremogone congesta R. F. Thorne 1969-8-2 63335 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
  CAS-BOT-BC174228  Eremogone congesta var. congesta Geo. D. Butler 1910-7-13 1772 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC174270  Eremogone congesta var. subcongesta W. R. Dudley 1899-8-22 s.n. Siskiyou Top of Spur - Craggy Peak Comment
  CAS-BOT-BC291264  Ericameria bloomeri L. R. Short 1933-9-8 68 Siskiyou Klamath National Forest. Deer Camp 1889 Comment
  HSC2325  Ericameria bloomeri Geo. D. Butler 1910-8-7 1823 Siskiyou Humbug Mtns. 1220 Comment
  SEINET193114  Ericameria bloomeri A. A. Heller 1939-7-31 15428 Siskiyou Junction of the Horse Camp and Panther Meadow roads Mount Shasta Comment
  SEINET5727124 Image available Ericameria bloomeri Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7707 Siskiyou Mt. Shasta City. Collected along Road 89, E of Mt. Shasta City.; Mt. Shasta City 1338 Comment
  CAS-BOT-BC299464  Ericameria nauseosa var. speciosa Louis C. Wheeler 1934-6-26 2788 Siskiyou Camp Low, Klamath River, Siskyou Mts. 731 Comment
  CAS-BOT-BC299466  Ericameria nauseosa var. speciosa Louis C. Wheeler 1934-8-26 3223 Siskiyou Trapper Cr., Siskiyou Mts. 1859 Comment
  CHSC72229  Ericameria nauseosa var. speciosa Vernon H. Oswald; Lowell Ahart 1998-9-16 9630 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  UC134757  Ericameria nauseosa var. speciosa E. B. Copeland 1903-10-10 3785 Siskiyou Pacific Coast, Mt. Eddy 2225 Comment
  CAS-BOT-BC293499  Erigeron aliceae J. M. Tucker; L. K. Mann; S. L. Holloway 1963-8-18 3748 Siskiyou Upper Canyon Creek, ca. 1/2 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area 1920 Comment
  HSC69028  Erigeron aliceae Maralyn A. Renner 1980-7-28 2185 Siskiyou E spur of Kangaroo Mtn., near ridge 1890 Comment
  UC165281  Erigeron aliceae Geo. D. Butler 1908-8-8 290 Siskiyou near head of Molly Creek Comment
  POM35919  Erigeron aliceae Geo. D. Butler 1910-6-8 1653 Siskiyou Shackleford Creek Comment
  UC637149  Erigeron aliceae Edward Lee 1934-8-15 1132 Siskiyou near summit of Happy Camp to Waldo (Oregon) road; Klamath National Forest, Indian Creek watershed 1584 Comment
  UC922286  Erigeron aliceae Annie M. Alexander and Louise Kellogg 1949-7-19 5807 Siskiyou in meadows on trail up Kelsey Cr. (Paradise Lake); Marble Mountains, , Kelsey Cr. 2072 Comment
  CDA4407  Erigeron austiniae Vernon H. Oswald & Lowell Ahart 1998-6-11 9214 Siskiyou Klamath National Forest boundary on Old State Highway, 1.5 miles south of the railroad crossing south of Mount Hebron. Comment
  RSA261540  Erigeron bloomeri J. M. Tucker, L. K. Mann 1963-8-18 3765 Siskiyou Saddle between Marble Mountain and SW ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area 2104 Comment
  CAS-BOT-BC300430  Erigeron elegantulus A. A. Heller 1938-7-13 15273 Siskiyou About a mile south of Bray Comment
  JEPS94678  Erigeron filifolius Vernon H. Oswald and Lowell Ahart 1998-7-21 9313 Siskiyou on w side of Hwy 97 2.2 mi ne Lake Shastina-Big Springs Rd. (ne of Weed); Shasta NF plantation 975 Comment
  UC54104  Erigeron filifolius H. M. Hall and E. B. Babcock 1903-6-1 4098 Siskiyou Little Shasta Valley Mount Shasta, Little Shasta Valley 853 Comment
  CAS-BOT-BC296125  Erigeron foliosus var. confinis Louis C. Wheeler 1934-8-6 3055 Siskiyou Rock Gulch, Klamath Forest 1828 Comment
  CAS-BOT-BC300856  Erigeron glacialis var. glacialis Annie M. Alexander; Louise Kellogg 1949-7-19 5807 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  HSC2408  Erigeron glacialis var. glacialis William J. Ferlatte 1966-8-5 336 Siskiyou Caribou Mtn. 2470 Comment
  CDA4952  Erigeron inornatus T. C. Fuller 1967-8-14 16258 Siskiyou Road to McCloud Reservoir, 2 miles south of McCloud. 0 Comment
  UC1540159 Image available Erigeron inornatus var. calidipetris Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-6 9241 Siskiyou Porcupine Lake; (a small vernal depression in an indurate lava flow), margin of pond 1304 Comment
  JEPS84318  Erigeron inornatus var. inornatus L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6330 Siskiyou ca 0.5 air mi. from Red Butte, w of Cook and Green Pass. ca 7 mi nne of Seiad Valley 1730 Comment
  HSC29219  Erigeron inornatus var. inornatus Frederick W. Oettinger 1969-8-12 1348 Siskiyou Trail above Willow Springs between Abbott's Upper Cabin and English Lake 1677 Comment
  RSA238715  Erigeron peregrinus subsp. callianthemus Frederick W. Oettinger 1969-7-13 1008 Siskiyou Slope N of Upper English Lake 1799 Comment
  CAS-BOT-BC300093  Erigeron philadelphicus H. A. Thomas; J. H. Thomas 1954-7-21 4395 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1036 Comment
  UC163864  Erigeron philadelphicus var. philadelphicus Geo. D. Butler 1908-6-25 508 Siskiyou creek bank near Yreka Comment
  UC1212588  Erigeron strigosus var. septentrionalis Francia Chisaki and Helen Sharsmith 1960-8-20 4739 Siskiyou on Wildcat Creek road ca 4 mi w Callahan; Inner North Coast Ranges 1066 Comment
  HSC60051  Eriodictyon californicum M. A. Baker 1977-6-6 364 Siskiyou S of Happy Camp along Hwy. 96 Comment
  HSC67523  Eriodictyon californicum J. P. Smith, Steve Selva 1970-6-15 3931 Siskiyou Between Forks of Salmon and Cecilville. Comment
  RSA15653  Eriodictyon californicum Carl B. Wolf 1927-8-26 1001 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  RSA789822  Eriogonum Rebecca Wenk 2006-9-2 545 Siskiyou Trail to Caribou Lakes from Big Flat Meadow. 1951 Comment
  CDA22485  Eriogonum compositum F. D. Horn 1977-5-12 Siskiyou Highway 263, Shasta River Canyon, Yreka. 0 Comment
  CAS-BOT-BC248811  Eriogonum compositum var. compositum William A. Dayton 1913-6-16 278 Siskiyou Shasta National Forest. E. slope, Scott Mt., near Callahan - Gazelle stage road 1524 Comment
  RSA47643  Eriogonum compositum var. compositum Roxana S. Ferris, Laura Lorraine 1948-6-12 11763 Siskiyou East fork of Scott River one mile north of Callahan 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
  SEINET7040086  Eriogonum congdonii A. G. Vestal 1963-6-1 s.n. Siskiyou Southeast of Dwinnell Reservoir [Lake Shastina]. Weed Quad. UTM Zone 10, 547726mE, 4593011mN. Comment
  CAS-BOT-BC246492  Eriogonum diclinum Doris K. Kildale 1928-8-20 6620 Siskiyou Hancock Lookout, on trail to Marble Mt. 2151 Comment
  RSA739627  Eriogonum diclinum L. P. Janeway 2008-7-24 9479 a Siskiyou Klamath Ranges, Siskiyou Mtns, crest of the Mtn 2.1 air km NE of Condrey Mtn. 2115 Comment
  SDSU6526  Eriogonum elatum D. F. Howe 1965-8-8 4124 Siskiyou South side of Little Grayback, Klamath National Forest. 1524 Comment
  CAS-BOT-BC255762  Eriogonum elatum var. villosum John Thomas Howell 1939-8-2 14885 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC85862  Eriogonum elatum var. villosum T. S. Brandegee July 1887 Siskiyou Ager Comment
  HSC77152  Eriogonum hirtellum L. P. Janeway 1983-6-26 349 Siskiyou Below Rd. 18N33 0.5 mi. from the Grayback Rd. 976 Comment
  JEPS83630  Eriogonum hirtellum R. Raiche 1987-7-28 70543 Siskiyou between Polar Bear Mt. and Lookout Mountain (at Del Norte Co. line); Polar Bear Gap 1737 Comment
  CAS-BOT-BC263187  Eriogonum marifolium var. cupulatum Alice Eastwood 1921-7-28 10884 Siskiyou Medicine Lake Comment
  CAS-BOT-BC263194  Eriogonum marifolium var. cupulatum Alice Eastwood 1912-7-19 1238 Siskiyou Mount Shasta Comment
  UC1540014  Eriogonum microthecum var. ambiguum Mitchell 1936-5-9 12 Siskiyou sse sloipe of Schonchin Butte Lava Beds National Monument, Schonchin Butte 1569 Comment
  CAS-BOT-BC271026  Eriogonum nudum var. deductum Isabelle C. Kimber 1934-6-9 3 Siskiyou Mt. Shasta 1219 Comment
  CAS-BOT-BC261622  Eriogonum nudum var. nudum A. A. Heller 1915-8-26 12246 Siskiyou Wagon Creek at the foot of Mt. Eddy 1127 Comment
  HSC26228  Eriogonum nudum var. nudum J. P. Smith, J. O. Sawyer 1972-5-28 5366 Siskiyou 2.7 mi. N of Rd. 8 and Sugar Creek on Hwy. 3 915 Comment
  HSC27080  Eriogonum nudum var. nudum J. P. Smith, J. O. Sawyer 1972-9-13 5780 Siskiyou 0.5 mi. W of Cook and Green Pass on rd. to Lily Pad Lake. Comment
  HSC43404  Eriogonum nudum var. nudum K. T. Stillman 1976-7-21 278 Siskiyou Marble Mtn. Wilderness Area, ridge from Back Mtn. to Jump Off Point 2043 Comment
  RSA165637  Eriogonum nudum var. nudum Clare B. Hardham 1961-6-30 7992 Siskiyou Siskiyou Mountains: White Mt. Comment
  RSA237756  Eriogonum nudum var. nudum Frederick W. Oettinger 1967-8-21 301 Siskiyou Along Pine Lake Trail. Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2024 Comment
  UC375312  Eriogonum nudum var. oblongifolium Geo. D. Butler 1908-7-28 212 Siskiyou near Yreka Comment
  CAS-BOT-BC272480  Eriogonum nudum var. pubiflorum Paul C. Hutchison 1962-8-3 945 Siskiyou Just east of Paint Pot Crater between Grasshopper Flat and Little Medicine Lake 1783 Comment
  UC77613  Eriogonum nudum var. pubiflorum M. K. Curran July 1887 Siskiyou Ager Comment
  POM165266  Eriogonum nudum var. pubiflorum E. B. Copeland 1903-7-3 3526 Siskiyou Klamathon. Comment
  CAS-BOT-BC252954  Eriogonum pyrolifolium var. pyrolifolium Robert F. Thorne; Fred Oettinger 1969-8-10 38984 Siskiyou S slope of Mt. Shasta, slopes above ski-lodge, Mt. Shasta National Forest 2438 Comment
  NY323542  Eriogonum siskiyouense E. L. Greene 1876-8-1 1002 Siskiyou On Scott Mountain 2438.4 Comment
  CAS-BOT-BC262727  Eriogonum sphaerocephalum var. halimioides Noel H. Holmgren; James L. Reveal 1966-6-9 2681 Siskiyou US 97, 5.5 miles south of Macdoel, 35 miles north of Weed 1341 Comment
  CAS-BOT-BC263393  Eriogonum strictum var. proliferum Geo. D. Butler 1910-5-27 1417 Siskiyou Near Yreka Comment
  CAS-BOT-BC263381  Eriogonum strictum var. proliferum Lester Rowntree 1937-8-5 s.n. Siskiyou Between Etna and Ft. Jones Comment
  CAS-BOT-BC267931  Eriogonum umbellatum G. P. Rixford No date on label s.n. Siskiyou South side of Shaft-rock [Shaft Rock] Mt., Hilt Comment
  CAS-BOT-BC267975  Eriogonum umbellatum var. argus H. A. Thomas; J. H. Thomas 1954-7-25 4532 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC267983  Eriogonum umbellatum var. argus Louis C. Wheeler 1934-9-1 3234 Siskiyou Jaynes Canyon, Siskiyou Mts. 1950 Comment
  CAS-BOT-BC267991  Eriogonum umbellatum var. argus Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  POM165272  Eriogonum umbellatum var. argus C. F. Baker 1903-9-7 3970 Siskiyou Mt. Eddy. Comment
  SD62064  Eriogonum umbellatum var. argus Darley F. Howe 1965-8-8 4123 Siskiyou South side of Little Gray Back, Klamath National Forest 1463 Comment
  UC909319  Eriogonum umbellatum var. argus Dorothy Parker 1948-8-16 182 Siskiyou near summit of Salmon Mountain 1813 Comment
  RSA0005155  Eriogonum umbellatum var. argus James L. Reveal, M. L. Reveal 1975-8-15 3955 Siskiyou Siskiyou Mountains, Kalmath National Forest, along the Dry Lake Lookout Road (Forest Service Road 40S01), 0.5 mile west of Dry Lake Lookout near the Buckthorn Trail. 2043 Comment
  CHSC26172  Eriogonum umbellatum var. dumosum J. P. Kroessig 1977-8-6 61 Siskiyou Big Castle Lake, ca. 8.8 km wnw of Dunsmuir. 1700 Comment
  CAS-BOT-BC268143  Eriogonum umbellatum var. goodmanii E. K. Balls 1949-7-9 13945 Siskiyou Rd. from Etna to Sawyer's Bar. Summit of pass over Salmon Mts. 1478 Comment
  HSC24103  Eriogonum umbellatum var. humistratum J. O. Sawyer 1969-8-2 1713 Siskiyou Summit W of Little Duck Lake 2409 Comment
  RSA120792  Eriogonum umbellatum var. humistratum S. Tillett 1956-7-9 668 Siskiyou Between Little and Big Carmen Lakes, north side of Scott Mountain; Siskiyou-Trinity Co. lines, 8 miles SE of Callahan. 1921 Comment
  SEINET3860108  Eriogonum umbellatum var. lautum James L. Reveal 2001-7-19 8348 Siskiyou Scott Valley, along South Kidder Creek Road 0.5 mi WSW of California Hwy 3, about 6.1 air mi SW of Fort Jones and 5.7 air mi N of Etna.; 0 869 Comment
  UC725673  Eriogonum umbellatum var. modocense A. A. Heller 1916-7-20 12469 Siskiyou near Wagon Creek falls (e side of Mt. Eddy); Mt. Eddy 1524 Comment
  RSA165616  Eriogonum umbellatum var. nelsoniorum Clare B. Hardham 1961-6-30 7995 Siskiyou Near White Mt. Comment
  JEPS94389  Eriogonum umbellatum var. nevadense Vernon Oswald and Lowell Ahart 1997-7-28 8792 Siskiyou se of Medicine Lake (at Paynes Springs, on the rim of Paynes Creek Canyon n of the campground); Paynes Creek Canyon, Paynes Springs 1981 Comment
  RSA141264  Eriogonum umbellatum var. polyanthum P. Quentin Tomich 1954-6-20 417 Siskiyou Valentine Cave, Lava Beds National Monument. 1372 Comment
  HSC77563  Eriogonum umbellatum var. stellatum L. P. Janeway 1983-9-11 660 Siskiyou Poker Flat 1524 Comment
  LA105219  Eriogonum umbellatum var. umbellatum Steve Morgan; 1987-7-28 sn Siskiyou Mount Shasta, Shasta Trinity National Forest, McGinnis Springs, 5 mi. NW of McCloud Comment
  UC1413445  Eriogonum vimineum James L. Reveal, Caroline G. Reveal 1974-8-17 3796 Siskiyou 4.5 mi e Callahan (along California Highway 3, 2.5 mi se of the junction with the county road to Gazeele) 1371 Comment
  UC55398  Eriogonum vimineum Harley P. Chandler 1732 Siskiyou Etna Mills North Coast Ranges, Etna Mills 914 Comment
  CAS-BOT-BC262371  Eriogonum vimineum Alice Eastwood; John Thomas Howell 1937-6-25 5023 Siskiyou Callahan Comment
  CAS-BOT-BC376589  Eriophorum crinigerum Andrew Townesmith; Karen M. Meyer 2007-8-1 883 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway) 1983 Comment
  UC1108531  Eriophorum crinigerum Ira L. Wiggins 1955-7-27 13553 Siskiyou Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  OBI53732  Eriophyllum lanatum David J. Keil 1992-7-19 23465 Siskiyou Klamath NF. Salmon Mtn Summit on Sawyers Bar Rd, SW of Etna 1816 Comment
  CAS-BOT-BC301121  Eriophyllum lanatum var. achilleoides John Thomas Howell 1937-7-29 13650 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  UC134265  Eriophyllum lanatum var. achilleoides H. E. Brown Jun 1 1897-Jun 10 1897 336 Siskiyou near Sisson 1083 Comment
  CAS-BOT-BC301136  Eriophyllum lanatum var. achilleoides L. Constance 1940-6-4 15027 Siskiyou Mount Shasta. Along the Bolam Road and US97 Comment
  UC455785  Eriophyllum lanatum var. grandiflorum I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  CAS-BOT-BC308285  Eriophyllum lanatum var. integrifolium John Thomas Howell 1939-8-2 14890 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CHSC75673  Eriophyllum lanatum var. integrifolium Vernon H. Oswald; Lowell Ahart 1999-7-5 9820 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southeast of Gazelle-Callahan Hwy., 0.6 mi northwest of the highway summit. 1569 Comment
  HSC94091  Eriophyllum lanatum var. lanceolatum G. Fred Hrusa 1998-7-5 14684 Siskiyou S side of Pass on Happy Camp-O'Brien Rd., CA side of state boundary, above Indian Creek Camp 750 Comment
  UC195258  Eriophyllum lanatum var. lanceolatum Annie M. Alexander and Louise Kellogg 1911-7-16 254 Siskiyou S. Fk. Salmon River Comment
  CHSC91383  Erodium cicutarium Lowell Ahart; John Dittes 2005-6-10 12058 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
  RSA715954  Erodium cicutarium L. Ahart, John Dittes 2005-6-10 12058 Siskiyou On 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. 777 Comment
  CAS-BOT-BC54574  Erysimum capitatum L. E. Smith 1913-5-9 196 Siskiyou Weed. Comment
  RSA530365  Erysimum capitatum var. capitatum Christopher Davidson 1975-6-5 2675 Siskiyou 2.8 mi from gate on special service rd branching SE from rd from Gazelle to Callahan 9.3 mi W of Gazelle. Klamath Nat. Forest. 1631 Comment
  CAS-BOT-BC55110  Erysimum perenne William Bridge Cooke 1938-6-24 11073 Siskiyou Mount Shasta. MacBride Spring. 1524 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
  HSC19421  Erysimum perenne J. O. Sawyer 1968-7-23 565 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  HSC6767  Erysimum repandum R. C. Wunner 1965-6-22 267 Siskiyou California Lava Beds National Monument, 1 mi. NW of Stronghold (Capt. Jacks) 1220 Comment
  SEINET8390058  Erythranthe linearifolia Christine C. Lorain 1994-8-14 2267 Siskiyou on trail along Deadfall Creek near Lower Deadfall Lake at eastern base of Mt. Eddy; Shasta National Forest. 2134 Comment
  CAS-BOT-BC505230  Erythronium grandiflorum Lillian Mott 1976-7-4 29 LM76 Siskiyou Lily Pad Lake west of Cook and Green Pass 2011 Comment
  CAS-BOT-BC403673  Eschscholzia californica W. R. Ernst 1958-8-11 301 Siskiyou Town of Mt. Shasta, between Highway 99 and railroad station Comment
  CAS-BOT-BC403685  Eschscholzia californica Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou Between Yreka and Fort Jones Comment
  SD75848  Eucephalus glabratus Darley F. Howe 1969-8-9 Siskiyou North entrance to Siskyou National Forest. 1525 Comment
  JEPS74516  Eucephalus ledophyllus W. J. Ferlatte 1966-8-3 298 Siskiyou Yellow Rose Mine Trinity Alps 1981 Comment
  HSC22132  Eucephalus ledophyllus var. ledophyllus J. O. Sawyer 1969-7-25 1544 Siskiyou Above High Lake 2226 Comment
  HSC41059  Eucephalus ledophyllus var. ledophyllus J. O. Sawyer 1969-8-18 1981 Siskiyou S of South Sugar Lake 2073 Comment
  CAS-BOT-BC310480  Eucephalus tomentellus Alice Eastwood 1912-8-30 1984 Siskiyou Mount Eddy Comment
  OBI76726  Eucephalus tomentellus G. S. Ringius 1986-8-16 8492 Siskiyou SW of Etna. Etna summit on Forest Hwy 93 1646 Comment
  CAS-BOT-BC202763  Euonymus occidentalis Doris K. Kildale 1928-7-3 5456 Siskiyou 8 miles east of Forks of Salmon on road to Little North Fork Salmon River Comment
  UC1034614  Euphorbia palmeri Douglas Barbe 1955-6-29 10 Siskiyou 0.2 mi n Callahan; Klamath Mountains 975 Comment
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Mar 8 2012
  CHSC268  Eurybia integrifolia V. Holt 1943-8-14 Siskiyou Marble Mountains. 1219 Comment
  JEPS31881  Eurybia integrifolia Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
  CAS-BOT-BC310633  Eurybia radulina Alice Eastwood 1912-7-21 1281 Siskiyou Sisson Comment
  SD64374  Euthamia occidentalis Darley F. Howe 1966-8-27 Siskiyou 3.2 miles north of Tule Lake 1310 Comment
  UCD98900  Fallopia japonica T. C. Fuller 1963-8-26 11152 Siskiyou Dunsmuir Grade, Hwy 99 to Mt. Shasta City, 0.5 mi. n. of the limits of Dunsmuir. Comment
  CAS-BOT-BC278729  Festuca idahoensis Clarence R. Quick 1959-6-19 59 -04 Siskiyou 3 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  HSC25420  Festuca idahoensis J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5664 Siskiyou Ridge E of Cook and Green Pass 1524 Comment
  UC593516  Festuca idahoensis E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1962 Siskiyou about 2 mi s Sheep Rock (on highway from Bray to Weed, n slope of Mt. Shasta); Mt. Shasta 1249 Comment
  UC593535  Festuca idahoensis E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1909 Siskiyou about 7 mi sw Yreka (s of highway from Yreka to Fort Jones); Forest House Mt. 1371 Comment
  LA13105  Festuca idahoensis J. R. Swallen; 1938-7-15 sn Siskiyou Mount Shasta, Along the road between Bear Springs and Wagon Camp 1676 Comment
  SJSU6493  Festuca occidentalis R. W. Trivelpiece 1972-6-14 110 Siskiyou Vann Creek near Bear Peak c. 15 mi directly SW of Happy Camp 1371 Comment
  UC207708  Festuca occidentalis Geo. D. Butler 1910-7-12 1752 Siskiyou Shackleford Creek 1219 Comment
  CHSC79931  Festuca roemeri var. klamathensis Barbara L. Wilson 1996-6-2 8127 Siskiyou Klamath National Forest; road cut where old highway intersects modern one, on Highway 3, 6.7 miles by road SW of the Yreka city limits (road marker at site says 003/SIS/40.00). 1127 Comment
  UCD66366  Festuca rubra Collector Unknown 1889-6-1 Siskiyou Edgewood. Comment
  SEINET10929889  Festuca rubra var. megastachys A. Arthur Heller 1921-7-17 Heller 13580 Siskiyou Gravelly slope of Mt. Eddy south of Wagon creek, in the Hudsonian zone. 2286 Comment
  HSC30499  Festuca subulata Frederick W. Oettinger 1969-9-4 1629 Siskiyou Marble Mtn. Wilderness Area, E side of Hancock Lake 1890 Comment
  HSC30582  Festuca viridula Frederick W. Oettinger, R. F. Thorne 1969-8-6 1222 Siskiyou Marble Mtn. Wilderness Area, rocky N slope on S side of Pine Lake 1951 Comment
  UC12221  Fragaria Harley P. Chandler Jun 1901 1569 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  CAS-BOT-BC437073  Fragaria vesca subsp. bracteata A. A. Heller 1916-6-20 12406 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1188 Comment
  HSC48343  Fragaria virginiana Maralyn O'Meara 1974-5-25 416 Siskiyou On Rd. 8, ~4.7 mi. W of junction with Hwy. 3 1159 Comment
  JEPS44878  Fragaria virginiana W. L. Jepson Jul 1894 13876 Siskiyou Sisson Comment
  HSC59639  Frangula californica J. P. Smith 1973-5-5 6566 Siskiyou Scott Bar along the Scott River Comment
  CAS-BOT-BC59988  Frangula purshiana Elmer I. Applegate 1895-5-30 s.n. Siskiyou Sisson, w. base of Mt. Shasta. Comment
  CAS-BOT-BC60021  Frangula purshiana A. A. Heller 1905-6-5 7969 Siskiyou Near Shasta Springs. Comment
  HSC100318  Frangula purshiana subsp. annonifolia J. P. Smith, J. O. Sawyer 2011-7-21 13032 Siskiyou Flint Valley, at the end of the G-O Road. 1313 Comment
  HSC25481  Frangula rubra J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5723 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  UCD113133  Frangula rubra Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou east of Marble Mountain, Marble Mountains. 1716 Comment
  CAS-BOT-BC55715  Frangula rubra subsp. obtusissima Alice Eastwood 1921-7-31 11013 Siskiyou Shasta Springs Comment
  RSA74739  Fraxinus latifolia Albert M. Vollmer, L. Beane 1951-6-2 46 Siskiyou Klamath River Hwy, between US 99 and Gottville. Comment
  UC1409213  Fritillaria atropurpurea Frederick W. Oettinger 1969-7-9 943 Siskiyou nw of Upper English Lake (vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1798 Comment
  CAS-BOT-BC502847  Fritillaria atropurpurea Wm. Bridge Cooke 1938-7-1 11155 Siskiyou Mount Shasta below Wagon Camp 1706 Comment
  SEINET12054443  Fritillaria atropurpurea H. P. Chandler 1901-1 Siskiyou Comment
  HSC78195  Fritillaria glauca L. P. Janeway 1983-7-3 366 Siskiyou Ridgetop NW of Poker Flat (Siskiyou crest) 1585 Comment
  CAS-BOT-BC504470  Fritillaria recurva Mrs. Van Fassen 1925-4-1 s.n. Siskiyou Dunsmuir Comment
  JEPS6596  Galium aparine Willis L. Jepson Siskiyou Region of the Upper Sacramento; Sisson Comment
  CDA42124  Galium aparine G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2624 Siskiyou 200 meters north of Hamilton Street on Highway 3, north edge of Fort Jones. Comment
  JEPS18602  Galium bifolium Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-7-26 5948 Siskiyou s end Gumboot Lake 1859 Comment
  SEINET12285342  Galium bifolium H. P. Chandler 1901-1 1645 Siskiyou Marble Mountain, North Coast Ranges 2438 Comment
  HSC43063  Galium bolanderi Ken Stillman 1976-8-31 452 Siskiyou E and N sides of Williams Point 366 Comment
  UC888782  Galium bolanderi Lewis S. Rose 1937-7-26 37602 Siskiyou 3 mi e Mt. Shasta City 1371 Comment
  UC888785  Galium bolanderi A. A. Heller 1915-8-26 12249 Siskiyou foot of mt. Mt. Eddy, Wagon Creek 1127 Comment
  JEPS25704  Galium bolanderi P. C. Hutchison 1961-5-22 2037 Siskiyou on Hwy 299 2.7 mi n Clear Creek (w side of river 5.7 mi s of Happy Camp); Klamath River Comment
  RSA240094  Galium bolanderi Frederick W. Oettinger 1969-8-22 1486 Siskiyou Along trail entering Horse Range Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UC888955  Galium glabrescens subsp. glabrescens Alice Eastwood 1912-7-23 1331 Siskiyou Cantara Comment
  JEPS21478  Galium mexicanum var. asperulum Stanton A. Cook 1958-8-17 842 Siskiyou river about three mi above confluence of Mud Creek (beside spring); McCloud River Comment
  HSC82001  Galium serpenticum subsp. scotticum Thomas W. Nelson, Jane P. Nelson 1979-6-16 4852 Siskiyou Along Hwy. 3, 3.1 mi. N of Scott Mtn. Summit 1280 Comment
  HSC23615  Galium triflorum J. O. Sawyer 1970-7-4 2321 Siskiyou At Cedar Flat Cabin 1402 Comment
  HSC65554  Galium triflorum Rich White 1977-7-21 134 Siskiyou Slope below outlet of Raspberry Lake 1512 Comment
  CAS-BOT-BC182152  Garrya fremontii C. Hart Merriam 1907-9-26 s.n. Siskiyou Shovel Creek, Klamath Canyon, near Klamath Hot Spgs. Comment
  CAS-BOT-BC182159  Garrya fremontii Louis C. Wheeler 1934-6-22 2764 Siskiyou Cottonwood Cr. Klamath National Forest 1066 Comment
  CAS-BOT-BC182228  Garrya fremontii Doris K. Kildale 1927-11-20 4179 Siskiyou Fort Jones Comment
  CAS-BOT-BC182270  Garrya fremontii Louis C. Wheeler 1934-6-22 2764 Siskiyou Cottonwood Creek, Siskiyou Mts. 1066 Comment
  HSC38129  Gaultheria humifusa J. O. Sawyer 1976-10-23 2826 Siskiyou W of Little Duck Lake Comment
  CHSC30771  Gayophytum diffusum subsp. parviflorum M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3258 A Siskiyou Ca. 50 ft e of Hwy 15, ca. 3 mi n of its jct with Hwy 89, ca. 17 mi e of McCloud. Comment
  POM211844  Gayophytum diffusum subsp. parviflorum C. G. Pringle 1881-8-17 s.n. Siskiyou Mount Shasta 2439 Comment
  UC454602  Gayophytum heterozygum I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  HSC40995  Gayophytum heterozygum J. O. Sawyer 1972-7-14 2471 Siskiyou N Fork of Salmon River 1006 Comment
  HSC76977  Gayophytum humile K. T. Stillman 1976-6-25 42 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 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
  UC1122595  Gayophytum racemosum M. H. Mitchell 1936-5-22 Siskiyou Black Crater Dorris Quadrangle Comment
  HSC19491  Gayophytum ramosissimum J. O. Sawyer 1969-6-12 993 Siskiyou On trail to Duck Lakes 1890 Comment
  UC165763  Gentiana calycosa Geo. D. Butler 1908-8-9 418 Siskiyou along trail West Fork of Wooly Creek Comment
  RSA625174  Gentiana calycosa Louis C. Wheeler 1963-8-25 8270 Siskiyou South side of Preston Peak: Rattlesnake Meadow. Comment
  UC1584288  Gentiana newberryi var. newberryi J. Kierstead, R. Bittman, and M. Meyers 1989-8-11 89 -71 Siskiyou s side Forest Service Rd. 26 (Gumboot Creek); Shasta/Trinity National Forest, Mt. Shasta Ranger Dist. 1767 Comment
  JEPS24353  Gentiana plurisetosa Geo. D. Butler 1910-7-9 1709 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC459351  Geum aleppicum L. E. Smith 1913-7-27 506 Siskiyou Mc Cloud Comment
  CAS-BOT-BC143594  Geum triflorum Elmer I. Applegate 1935-6-8 9431 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  SEINET7073523  Gilia capitata A. G. Vestal 1963-6-1 s.n. Siskiyou About 3.6 miles northwest of Route 97. UTM Zone 10, 547050mN, 4588388mN. Coordinate datum: NAD27. Comment
  UCD18941  Gilia capitata A. H. Murphy 1955-7-29 55 L Siskiyou Klamath National Forest, Marble Mountains, Clear Lake. 1798 Comment
  RSA184633  Gilia capitata Clare B. Hardham 1965-8-20 13018 Siskiyou Marble Mts. Near Cudahy Lakes Comment
  RSA237958  Gilia capitata Frederick W. Oettinger 1968-8-16 545 Siskiyou Below Red Hill summit north of Hancock Lake. Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  RSA78824  Gilia capitata P. A. Munz 1952-7-2 17902 Siskiyou Baldy Mountain about 6 miles (by air) west of Happy Camp. 1707 Comment
  SEINET10792341  Glyceria elata A. Arthur Heller 1916-7-20 Heller 12465 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. In wet ground near a spring in the forest, the trees Douglas fir, white fir and incense cedar. 1158 Comment
  JEPS34010  Gnaphalium palustre Willis L. Jepson Jul 24 1894-Aug 10 1894 14747 Siskiyou Sisson Upper Sacramento Region, Sisson Comment
  UC1192118  Gnaphalium palustre Herbert L. Mason 1948-7-17 13605 Siskiyou Eastern Grass Lake Comment
  HSC29163  Gnaphalium palustre Frederick W. Oettinger 1969-9-4 1627 Siskiyou E side of Hancock Lake 1951 Comment
  HSC19399  Goodyera oblongifolia J. O. Sawyer 1968-7-10 458 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  UC4511  Goodyera oblongifolia W. H. Brewer 1862-9-16 1414 Siskiyou on Mount Shasta Mount Shasta Comment
  CHSC96006  Hackelia bella L. P. Janeway 2006-7-3 8774 Siskiyou Klamath Ranges. Salmon Mountains; south side of upper Carter Meadows 0.5 km west of Carter Meadows Summit. 1798 Comment
  SEINET12578750  Hackelia bella H. M. Hall 1909-1 8599 Siskiyou Salmon Mountains, Preachers Peak, Dorleska [Mine]. 2000 Comment
  RSA238562  Hackelia bella Frederick W. Oettinger 1968-8-11 476 Siskiyou 30 yards SE of Tom Taylor Cabin. 2027 Comment
  SEINET10698095  Hackelia californica Karen M. Meyer, Andrew Townesmith 2007-7-29 Meyer 170 Siskiyou Shasta-Trinity National Forest. 0.3 mi. on 40N25 Rd., off Siskiyou County Rd., A10/Everitt Memorial Hwy. 1805 Comment
  JEPS27124  Hackelia micrantha Lauramay T. Dempster 1961-7-1 1824 Siskiyou along ridge from Condry Peak to White Mountain Comment
  JEPS55573  Hackelia micrantha Geo. D. Butler 1908-8-6 13 Siskiyou head of Independence Creek (Whiskey Camp); , Whiskey Camp 1676 Comment
  HSC29348  Hackelia micrantha Frederick W. Oettinger 1968-9-2 667 Siskiyou Marble Mtn. Wilderness Area, base of cliffs, SW of Upper English Lake 1875 Comment
  JEPS84332  Hackelia micrantha L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6348 Siskiyou 7 mi nne of Seiad Valle (sw of Cook and Green Pass, 1/2 mi se of Red Butte, slope e of road) 1730 Comment
  POM254142  Hackelia micrantha C. L. Hitchcock 1939-7-9 5338 Siskiyou 2 miles south of Black Mt., near Kings Castle. 1829 Comment
  CAS-BOT-BC302455  Hazardia whitneyi var. discoidea Peter H. Raven 1956-9-4 10378 Siskiyou Ridge s. of Mt. Eddy 2286 Comment
  HSC30273  Hazardia whitneyi var. discoidea William J. Ferlatte 1971-9-18 1382 Siskiyou Sawtooth Ridge between Caribou Basin and Stuarts Fork 2287 Comment
  JEPS35549  Helenium autumnale Geo. D. Butler 1908-8-30 Siskiyou near Fort Jones (bank of Scott River); Scott River Comment
  CAS-BOT-BC306366  Helenium autumnale T. C. Fuller 1958-8-13 s.n. Siskiyou 10 mi S/Ft. Jones, Scott Valley Comment
  CAS-BOT-BC306732  Helenium bigelovii Wm. Bridge Cooke 1940-7-5 15260 Siskiyou Mount Shasta. Throughout Wagon Camp Comment
  HSC92209  Helenium bigelovii Jennifer Whipple 1976-7-24 1565 Siskiyou SW of Dobkins Lake along drainage into the lakes 2195 Comment
  SEINET11196739 Image available Helenium bigelovii I. L. Wiggins 1955-7-26 13510 Siskiyou Banks of S Fork of Salmon River, just above mouth of Blind Horse Creek 887 Comment
  HSC44710  Helianthella californica J. O. Sawyer, E. Cope 1977-6-18 2920 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  HSC103499  Helianthella californica var. shastensis Thomas W. Nelson, Jane Nelson 1985-6-19 Siskiyou In and about Scott Mountain Campground. 1646 Comment
  SEINET11835695  Helianthella californica var. shastensis H. P. Chandler 1901-1 1535 Siskiyou Klamath River 427 Comment
  CAS-BOT-BC305569  Helianthus bolanderi Louis C. Wheeler 1934-10-6 3311 Siskiyou Shasta Valley 2 mi. SE Yreka 853 Comment
  CAS-BOT-BC305577  Helianthus bolanderi Geo. B. Grant 1902-9-14 5209 Siskiyou Dunsmuir Comment
  RSA44889  Helianthus bolanderi J. C. Roos 1948-9-2 3977 Siskiyou Fort Jones. 915 Comment
  JEPS109554  Helianthus exilis Dean W. Taylor 2002-7-20 18251 Siskiyou West Fork Parks Creek, along Forest Road 1310 Comment
  POM360344  Hemizonia fasciculata Cora Mae Life 1923-08 14394 Siskiyou Near Horse Camp, Mt. Shasta. Comment
  RSA184729  Hesperochiron pumilus Gilbert Muth 1966-7-8 368 Siskiyou Marble Valley Meadow. Marble Mtns. 1793 Comment
  UC1540189  Hesperolinon micranthum Dean Wm. Taylor and Glenn L. Clifton 1987-6-24 9051 Siskiyou Tom Young Flat McCloud River drainage 1280 Comment
  UC17265  Hesperolinon micranthum M. K. Curran July 1887 Siskiyou Sissons Comment
  JEPS11802  Heterocodon rariflorum W. L. Jepson Jul 1894 Siskiyou Sisson Comment
  SEINET10939147  Heterocodon rariflorum Cooke COOKE 49262 Siskiyou MT SHASTA 4000 Comment
  CDA15536  Heteromeles arbutifolia G. F. Hrusa 1998-7-5 14704 Siskiyou Siskiyou Mountains; Hwy 96 17.6 mi. W of Happy Camp. Comment
  JEPS2413  Heterotheca oregona var. rudis George D. Butler 1908-8-27 321 Siskiyou old mining dump, L. Eastlick's Rancho Oro Fino Comment
  CAS-BOT-BC312295  Heterotheca villosa var. minor John Thomas Howell 1934-7-4 12405 Siskiyou SE corner of Siskiyou Co. Comment
  JEPS31851  Heterotheca villosa var. minor Geo. D. Butler 1908-8-8 338 Siskiyou Marble Valley 1676 Comment
  HSC75653  Heuchera cylindrica J. O. Sawyer, R. J. Cole 1980-7-22 3876 Siskiyou 0.5 mi. S of Lava Camp 1829 Comment
  CHSC99997  Heuchera merriamii L. P. Janeway 2008-7-25 9494 Siskiyou Klamath Ranges. Siskiyou Mountains; rock wall at head of Hello Canyon, 0.6 air km east of Kangaroo Mountain. 1817 Comment
  HSC4792  Heuchera merriamii William J. Ferlatte 1966-8-5 331 Siskiyou N side of Caribou Mtn. 1982 Comment
  JEPS26525  Heuchera merriamii Lauramay T. Dempster 1961-7-2 1863 Siskiyou sw of Etna (ridge w of Salmon Mountain Summit); Salmon Mountain 1828 Comment
  JEPS80549  Heuchera merriamii Gilbert Muth 1965-8-11 208 Siskiyou Marble Mt. Wilderness Area 1828 Comment
  UCD13286  Heuchera merriamii K. F. Mawdsley 1996-7-10 17 c Siskiyou California, Siskiyou County. Little Castle Lake, T 39N R 4W, NW 1/4 of Section 19, Seven Lakes Basin 7.5 topo. Elevation 5572. Comment
  RSA0063198  Heuchera merriamii Louis C. Wheeler 1934-8-9 3079 Siskiyou Head of Jaynes Canyon. Siskiyou Mtns. 1921 Comment
  CAS-BOT-BC420719  Heuchera micrantha M. B. Dunkle 1945-7-19 9224 Siskiyou Sky-High Bluffs, Klamath forest 2194 Comment
  RSA0063112  Heuchera micrantha var. micrantha Marion Ownbey, Fred G. Meyer 1940-7-4 2175 Siskiyou Siskiyou Mts. Northwest of Hornbrook. Comment
  CAS-BOT-BC312306  Hieracium Wm. Bridge Cooke 1939-8-25 13919 Siskiyou Above MacBride Springs, Mount Shasta 1676 Comment
  JEPS19799  Hieracium albiflorum Rimo Bacigalupi with S. Galen Smith 1957-6-26 6019 Siskiyou between White Ridge and Scott Camp Ridge (about 11 mi sw of Mt. Shasta town, along road to Gumboot Lake); canyon of the South Fork of the Sacramento River 1219 Comment
  HSC60907  Hieracium albiflorum Al Hobart Siskiyou Black Butte Comment
  UC455917  Hieracium greenei I. J. Condit 1911-7-22 Siskiyou Trail to Horse Camp; Mt. Shasta 1524 Comment
  CAS-BOT-BC318524  Hieracium greenei C. G. Pringle 1882-9-1 s.n. Siskiyou Mts. about the head waters of teh Sacramento River Comment
  UC1223076  Hieracium greenei Joseph P. Tracy 1949-9-15 18559 Siskiyou Blue Ridge on road between Cecilville and Sawyer's Bar, near the summit; Salmon Mountains 1584 Comment
  CAS-BOT-BC316037  Hieracium scouleri Volney Rattan 1879-6-1 s.n. Siskiyou Unspecified Comment
  HSC143  Hieracium scouleri William J. Ferlatte 1966-8-3 275 Siskiyou Josephine Lake Basin 1677 Comment
  UC1408934  Hieracium scouleri Frederick W. Oettinger 1968-8-12 490 Siskiyou near Tobacco Lake (w Siskiyou County, the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains 1889 Comment
  RSA211520  Hieracium scouleri William J. Ferlatte 1966-8-3 275 Siskiyou Josephine Lake basin. 1677 Comment
  RSA238742  Hieracium scouleri Frederick W. Oettinger 1969-9-3 1609 Siskiyou Shasta Ridge below English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  RSA760953  Holodiscus discolor Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63384 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. 1768 Comment
  UC1409359  Holodiscus discolor Frederick W. Oettinger 1969-9-4 1667 Siskiyou s side of Tobacco Lake basin, High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area Tobacco Lake; Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  CAS-BOT-BC152368  Holodiscus discolor var. discolor Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Cuddyhi Lake Comment
  HSC81976  Hordeum brachyantherum Thomas W. Nelson, Jane P. Nelson 1979-6-16 4863 Siskiyou Above Mule Creek, along Hwy. 3, 4.4 mi. N of Scott Mtn. Summit 1220 Comment
  HSC2193  Hordeum brachyantherum subsp. brachyantherum L. C. Wheeler 1934-8-14 3133 Siskiyou Siskiyou Mountains, N side White Mtn. 1768 Comment
  CDA2189  Hordeum marinum subsp. gussoneanum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2782 Siskiyou Yreka. West of Motel 6, south of town, north of Greenhorn Creek Road. Comment
  CAS-BOT-BC143955  Horkelia daucifolia Geo. D. Butler 1909-5-8 713 Siskiyou Shasta Valley Comment
  CAS-BOT-BC143947  Horkelia daucifolia H. D. Ripley; R. C. Barneby 1948-7-5 9632 Siskiyou 2 mi. SW. of Yreka 853 Comment
  CAS-BOT-BC143960  Horkelia daucifolia Ella Dales Cantelow 1936-5-20 1404 Siskiyou N. slope Scott Mt. 2 mi. from Callahan Comment
  SEINET10483364  Horkelia fusca subsp. parviflora Mary Susan Taylor 1980-8-18 Taylor 3258 Siskiyou T40N R2E sw sec 30. Shasta-Trinity Natl Forest, Yellow Pine Forest plantation, ca. 50 ft E of Hwy 15, ca. 3 mi N of it jctw ith Hwy 89, ca. 17 mi E of McCloud. With J. Prouty & E. Heinz. 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
  RSA47608  Horkelia tridentata subsp. flavescens Roxana S. Ferris, Laura Lorraine 1948-6-12 11792 Siskiyou Scott Mountain Road south of Callahan. Comment
  JEPS107486  Hornungia procumbens Lowell Ahart, John Dittes 2005-6-9 12044 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  SBBG18804  Hosackia crassifolia var. crassifolia C. B. Hardham 1961-6-30 8009 Siskiyou White Mtn 1828 Comment
  HSC2400  Hosackia oblongifolia William J. Ferlatte 1966-8-18 412 Siskiyou 3 mi. S of Big Flat 1585 Comment
  HSC61503  Hosackia oblongifolia var. oblongifolia Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1220 Comment
  CAS-BOT-BC312575  Hulsea nana A. A. Heller 1915-8-26 12215 Siskiyou Near the summit of Mt. Eddy 2743 Comment
  LA203778  Hulsea nana L. Ellison; 1928-9-12 505 Siskiyou Mt. Shasta, sw slope of mountain 2895 Comment
  RSA238849  Hydrophyllum occidentale Frederick W. Oettinger 1969-8-19 1442 Siskiyou Due northwest of saddle in ridge between English Peak and David Mountain. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1936 Comment
  RSA238857  Hypericum androsaemum Frederick W. Oettinger 1966-8-7 43 Siskiyou Mouth of Tom Taylor Cabin Spring. The Salmon Mountains. The High Lake Basins in the vicinity of English peak. Marble Mountain Wilderness Area. Comment
  POM86613  Hypericum androsaemum Geo. D. Butler 1910-7-12 1765 Siskiyou Shackleford Creek. 1220 Comment
  CHSC739  Hypericum formosum var. scouleri 1936-6-30 Siskiyou Mt. Shasta City. 1097 Comment
  CAS-BOT-BC206829  Iliamna bakeri Carl B. Wolf 1934-7-6 6029 Siskiyou Mt. Shasta, along Snow Line Road, 3 3/10 mi. from Mt. Shasta City 1524 Comment
  CAS-BOT-BC206830  Iliamna bakeri W. C. McCalla 1940-7-6 6365 Siskiyou Slope northeast of WEed Comment
  UCD77784  Ipomopsis aggregata Robert E. Preston 2002-7-12 1910 Siskiyou Klamath National Forest, S slope of Rainbow Mountain 1798 Comment
  CHSC71588  Ipomopsis aggregata subsp. formosissima Vernon H. Oswald; Lowell Ahart 1998-8-3 9455 Siskiyou East end of Rock Fence Lake Rd. (USFS 41N18) in the Scott Mtns. east of Kangaroo Lake. Near Rock Fence Creek. 1920 Comment
  RSA211091  Ipomopsis aggregata subsp. formosissima William J. Ferlatte 1966-7-7 209 Siskiyou northwest side of Caribou Mountain. 1829 Comment
  UC722306  Iris bracteata C. L. Hitchcock and J. S. Martin 1939-7-7 5270 Siskiyou 13 mi s Takilma, Oregon (Sanger Peak Trail); Sanger Peak Trail 1066 Comment
  CHSC88128  Iris missouriensis Jenny Marr 1993-7-1 139 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC76882  Iris tenuissima K. T. Stillman 1976-6-27 142 Siskiyou Marble Mtn. Wilderness Area, near Bear Lake Comment
  SEINET10469761  Iris tenuissima Mary Merello 1993-6-22 Merello 694 Siskiyou Shasta National Forest outside of Mt. Shasta City. Along Forest Service Road 26 to Lake Siskiyou. Mixed conifer forest along rocky, gravely slopes of the Sacramento River. 1090 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
  CAS-BOT-BC88664  Isatis tinctoria George Dexter Butler 1910-6-7 1534 Siskiyou Scott River. Comment
  HSC47618  Isatis tinctoria J. P. Smith 1977-5-15 9071 Siskiyou Rd. 8, 1 mi. from junction with Hwy. 3 Comment
  HSC6799  Isatis tinctoria Dorothy Parker 1949-6-30 Siskiyou Patterson Creek, Scott Valley 854 Comment
  OBI55481  Isatis tinctoria David J. Keil, Kathleen Keil 1992-7-21 23526 Siskiyou Klamath Natl Forest SE of Callahan. Forest Rd 40N08, 0.5 mi W of Scott Mtn rd (hwy 3) Comment
  UCD115202  Isatis tinctoria James P. Smith 1973-5-5 6526 Siskiyou Scott Bar along the Scott River. Comment
  HSC69130  Isoetes bolanderi Maralyn A. Renner 1980-7-24 2078 Siskiyou Lily Pad Lake 1768 Comment
  HSC28736  Isoetes occidentalis Frederick W. Oettinger 1967-8-21 303 Siskiyou Marble Mtn. Wilderness Area, on the NW side of Pine Lake 1921 Comment
  UC205420  Ivesia gordonii Annie M. Alexander and Louise Kellogg 1911-8-14 329 Siskiyou Mt. Eddy Comment
  UC114527  Ivesia pickeringii T. S. Brandegee Jul 1887 Siskiyou Edgewood Comment
  UC60945  Juncus bufonius Geo. B. Grant Sep 1902 5238 Siskiyou Shasta Springs Mount Shasta 609 Comment
  UC1573177  Juncus covillei Dean Wm. Taylor with Glenn Clifton 1987-8-5 9223 Siskiyou Tate Creek, at crossing of Forest Road 36N06, McCloud River watershed McCloud River 1484 Comment
  HSC22405  Juncus ensifolius J. O. Sawyer 1969-7-23 1444 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1341 Comment
  UC1265332  Juncus mertensianus Frederick W. Oettinger 1969-8-22 1501 Siskiyou s side Horse's Hold pond (above Horse Range Lake, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1874 Comment
  RSA238911  Juncus nevadensis Frederick W. Oettinger 1968-8-2 351 Siskiyou Slope just SW of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CHSC40152  Juncus occidentalis L. P. Janeway 1983-7-11 411 Siskiyou Along edge of dirt rd ca 350 m n of West Branch Guard Sta. 670 Comment
  HSC22485  Juncus parryi J. O. Sawyer 1969-7-25 1534 Siskiyou SE facing upper slope above Sugar Lake 1997 Comment
  HSC691  Juncus parryi William J. Ferlatte 1967-8-21 1065 Siskiyou Sawtooth Ridge between Caribou Basin and Little S Fork Lake 2287 Comment
  HSC22408  Juniperus communis var. saxatilis J. O. Sawyer 1969-7-9 1245 Siskiyou W facing slope above Bingham Lake 2317 Comment
  CAS-BOT-BC81219  Juniperus occidentalis C. H. M. 1919-9-24 s.n. Siskiyou Ager Comment
  CHSC27340  Juniperus occidentalis T. B. Devine 1977-10-23 371 Siskiyou About 300 yds w of jct of Hwy 3 and unimproved lagging road leading w to area of Little and Big Duck Lakes. 944 Comment
  HSC1276  Juniperus occidentalis R. C. Wunner 1965-6-18 207 Siskiyou Indian Well Campground, Lava Beds National Monument 1433 Comment
  POM21709  Juniperus occidentalis var. occidentalis E. B. Copeland 1903-7-4 3545 Siskiyou Klamathon Comment
  UCR4291  Juniperus occidentalis var. occidentalis Frank C. Vasek 1965-8-31 650831- 01 Siskiyou Lava Beds National Monument, at the turn-off to Valentine Cave 1393 Comment
  CAS-BOT-BC56357  Kalmia microphylla subsp. microphylla Louis C. Wheeler 1934-8-5 3037 Siskiyou Mud Springs, Middlehell Creek 1676 Comment
  HSC4849  Kalmia polifolia J. O. Sawyer 1968-6-25 314 Siskiyou Along Horse Range Creek 1829 Comment
  LA41201  Kalmia polifolia Wm. Bridge Cooke; 1938-9-8 11668 Siskiyou Mount Shasta, upper Heather Meadows along Squaw Valley Creek 2438 Comment
  RSA293302  Keckiella corymbosa D. C. Michener 1980-8-2 3763 Siskiyou Klamath Mountains. Blue Nose Bluff of the Klamath River near confluence with Dillon Creek. 250 Comment
  UC1190128  Keckiella corymbosa Ira L. Wiggins 1955-7-31 13593 Siskiyou between Cecilville and Forks of Salmon (hillside along South Fork of Salmon River); South Fork of Salmon River Comment
  HSC67775  Kelloggia galioides J. O. Sawyer, J. Cole 1980-7-21 3887 Siskiyou Near Haight Mtn. along USFS Rd. running S-SW 1939 Comment
  JEPS82429  Kelloggia galioides Gilbert Muth 1966-7-31 471 Siskiyou n side Black Mt.; Marble Mountain Wilderness Area 1981 Comment
  RSA238887  Kelloggia galioides Frederick W. Oettinger 1968-9-9 807 Siskiyou On the NE side of the saddle between Toms Lake Basin and Tobacco Lake Basin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness. 1951 Comment
  SBBG15963  Kelloggia galioides D. Myrick 1961-6-22 317 Siskiyou Hwy 89 near McCloud 914 Comment
  UC1132158  Koeleria macrantha H. S. Yates 1936-6-21 5818 Siskiyou 1 mi se Gazelle; Etna Quad. Comment
  UC197483  Koeleria macrantha Geo. D. Butler 1910-7-3 1625 Siskiyou Goosenest Mountain 1219 Comment
  CAS-BOT-BC340373  Kyhosia bolanderi C. G. Pringle 1882-9-7 s.n. Siskiyou About Mt. Shasta Comment
  POM215857  Lamium amplexicaule Louis C. Wheeler 1935-4-18 3429 Siskiyou Greenhorn Creek, Siskiyou Mts, Mt. Diablo Mer. 1006 Comment
  UC2026967  Lapsana communis Anthony Baniaga 2011-7-8 428 Siskiyou Klamath National Forest. Along Salmon River, on highway 93 Comment
  UC673248  Lathyrus lanszwertii var. tracyi Lincoln Constance and Reed C. Rollins 1942-5-12 2897 Siskiyou 2 mi n Somes Bar; North Coast Ranges, Klamath River 182 Comment
  POM17239  Lathyrus nevadensis subsp. nevadensis Geo. D. Butler 1910-6-19 1588 Siskiyou Goosenest Foothills. 1524 Comment
  JEPS25650  Lathyrus nevadensis var. nevadensis Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7292 Siskiyou Poker Flat 1536 Comment
  RSA594185  Lathyrus polyphyllus S. O. Mattoon 1977-6-26 60 Siskiyou Gooseneast District; Klamath North Fork; Forest Road 2 miles S of Surveyors Glade; 12 air miles W of MacDoel. 1829 Comment
  CHSC106270  Lemna gibba Lowell Ahart; John Dittes 2010-7-30 16959 Siskiyou On the shallow calm water, along the south edge of the Shasta River, about 100 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  RSA105500  Lepidium campestre G. D. Barbe 1955-6-29 31 Siskiyou 1 mile east of Callahan 976 Comment
  CAS-BOT-BC88929  Lepidium densiflorum var. densiflorum 1912-7-1 s.n. Siskiyou Yreka. Comment
  UC166134  Lepidium densiflorum var. macrocarpum Geo. D. Butler 1910-6-27 1612 Siskiyou Yreka Creek Comment
  NY76303  Lepidium montanum subsp. canescens A. A. Heller 1928-6-9 14610 Siskiyou Along the railroad between Gazelle and Grenada in the Shasta Valley Comment
  POM43381  Leptosiphon bolanderi Geo D. Butler 1910-4-14 1172 Siskiyou Dry hills, Yreka. Comment
  RSA756937  Leptosiphon ciliatus R. F. Thorne 1969-8-2 63347 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  RSA601533  Leptosiphon filipes L. C. Wheeler 1935-5-4 3455 Siskiyou Siskiyou Mts. 854 Comment
  HSC40875  Leptosiphon nuttallii J. O. Sawyer 1973-7-18 2548 Siskiyou Little N Fork trail 1890 Comment
  JEPS20614  Lessingia nemaclada Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sims Region of the Upper Sacramento Comment
  JEPS24809  Lessingia nemaclada Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6818 Siskiyou 7 mi e Callahan 1127 Comment
  HSC2262  Lessingia nemaclada Geo. D. Butler 1910-8-13 1827 Siskiyou Scott Valley. Comment
  CAS-BOT-BC508378  Leucocrinum montanum D. E. Stitt 1916-4-10 s.n. Siskiyou Little Shasta Valley 30 miles east of Yreka Comment
  HSC4870  Leucothoe davisiae J. O. Sawyer 1968-7-9 401 Siskiyou Ridge between Sugar Creek and Duck Lake drainages, Sugar Creek near Sugar Lake 2195 Comment
  SEINET2029206 Image available Leucothoe davisiae John P. Young 1921-9-15 s.n. Siskiyou Etna Mills Comment
  JEPS84274  Lewisia cotyledon L. R. Heckard with J. Hickman et al. 1986-7-17 6538 Siskiyou road end area and camp overlooking S end of Alex Hole, SE of Condrey Mountain 1980 Comment
  RSA12625  Lewisia cotyledon Anonymous 1934-7-5 5960 Siskiyou 3.6 mile from Dry Lake lookout on raod to Horse Creek, Siskiyou Mts. 1982 Comment
  RSA211269  Lewisia cotyledon William J. Ferlatte 1966-7-7 207 Siskiyou Caribou Basin. 1982 Comment
  RSA464464  Lewisia cotyledon M. B. Dunkle 1945-7-19 9227 Siskiyou Marble Valley Summit; rocky ridge. Comment
  CAS-BOT-BC444039  Lewisia cotyledon var. cotyledon M. B. Dunkle 1945-7-19 9227 Siskiyou Klamath Natl. Forest, Marble Mts. Sky-High basin Comment
  RSA237455  Lewisia leeana Frederick W. Oettinger 1968-8-22 594 Siskiyou Rock crevices, slope between English Peak and Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  RSA50194  Lewisia rediviva E. K. Balls 1949-7-8 13910 Siskiyou Trail from Scott Mountain Camp to Carmen Lake; Scott Mountain. 1753 Comment
  CAS-BOT-BC444468  Lewisia rediviva var. rediviva L. E. Smith 1915-5-1 s.n. Siskiyou Yreka Comment
  CAS-BOT-BC444577  Lewisia triphylla C. L. Hitchcock; J. S. Martin 1939-7-9 5337 Siskiyou Paradise Lake, near King's Castle 1767 Comment
  CAS-BOT-BC283819  Leymus cinereus Elmer I. Applegate 1935-6-5 9302 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  POM229945  Leymus triticoides L. C. Wheeler 1935-6-2 3543 Siskiyou Shasta River; Siskiyou Mts. 732 Comment
  CDA32491  Leymus triticoides Unknown 1959-1-15 s.n. Siskiyou Ager, Southern Pacific Railway 0 Comment
  HSC76682  Ligusticum californicum K. T. Stillman 1976-7-30 325 Siskiyou Marble Mountain Wilderness Area, Elk Valley Comment
  UCD127547  Ligusticum californicum J. M. Tucker 1974-7-28 4313 Siskiyou Adjacent to camp at Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  RSA453851  Ligusticum californicum M. B. Dunkle 1945-07 9256 Siskiyou Klamath National Forest; Marble Mts. Comment
  SFV8559  Ligusticum californicum J. M. Tucker 1963-8-20 3786 Siskiyou Marble Mountain Wilderness. Headwaters of Canyon Creek. About 0.5 miles northeast of Marble Valley Guard Station. 1921 Comment
  HSC96299  Ligusticum grayi Gordon Leppig 1998-8-13 1003 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  HSC96433  Ligusticum grayi Gordon Leppig, Tony LaBanca, L. Arguello 1997-6-27 482 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  POM82380  Ligusticum grayi Geo. D. Butler 1908-8-7 461 Siskiyou Whiskey Camp, Independence Creek Comment
  POM267125  Lilium kelleyanum Marion Ownbey, Fred G. Meyer 1940-7-6 2200 Siskiyou Along Cayenne Ridge, Marble Mountain. Comment
  CAS-BOT-BC509378  Lilium kelleyanum John Thomas Howell 1939-8-7 15114 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CHSC2292  Lilium pardalinum subsp. pardalinum V. Holt 1943-8-7 Siskiyou Marble Mountains. 1828 Comment
  HSC66256  Lilium pardalinum subsp. vollmeri Maralyn A. Renner 1980-7-5 1494 Siskiyou Doe Flat 1220 Comment
  RSA0000361  Lilium pardalinum subsp. wigginsii L. Beane, A. M. Vollmer 1954-7-16 1266 Siskiyou Siskiyou Mountains near Oregon border, west of highway 99. Comment
  CAS-BOT-BC510692  Lilium vollmeri Gilbert Muth 1966-7-19 422 Siskiyou Marble Gap Trail, along 1st bluff, Marble Mountains 1828 Comment
  UC618680  Lilium washingtonianum unknown 1938-7-22 11328 Siskiyou Sisson Southern Trail; Mount Shasta Comment
  CAS-BOT-BC133018  Lilium washingtonianum subsp. purpurascens Doris K. Kildale 1929-7-20 8615 Siskiyou East spur of Preston Peak above Rockefeller Lake 2133 Comment
  HSC33339  Lilium washingtonianum subsp. purpurascens William J. Ferlatte 1974-7-25 1583 Siskiyou Yellow Rose Mine 2073 Comment
  HSC69280  Lilium washingtonianum subsp. washingtonianum Maralyn A. Renner 1980-7-24 1992 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  CAS-BOT-BC133093  Lilium washingtonianum subsp. washingtonianum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 9 Siskiyou 3.5 miles northeast of the town of Mount Shasta 1402 Comment
  JEPS58267  Linanthus bolanderi Geo. D. Butler 1909-4-26 621 Siskiyou Oro Fino Comment
  UC163841  Linanthus ciliatus Geo. D. Butler 1910-4-25 1243 Siskiyou Oro Fino Comment
  UC643290  Linanthus ciliatus unknown 1940-6-7 15112 Siskiyou between Mount Shasta City and Black Butte (along the Pacific Highway, U.S. 99) Comment
  SEINET12279054  Linanthus ciliatus H. P. Chandler 1901-1 1671 Siskiyou Marble Mountain 2438 Comment
  UC1222727  Linanthus harknessii Joseph P. Tracy 1951-6-16 19476 Siskiyou near Oregon-California State line (Summit of the Siskiyous at the crossing of Takilma-Happy Camp Road); Summit of the Siskiyous Comment
  RSA31646  Linanthus pungens subsp. pulchriflorus A. A. Heller 1938-7-12 15254 Siskiyou Sixteen miles north of Weed on U.S. Highway #97. Comment
  CDA6298  Linaria genistifolia subsp. dalmatica T. C. Fuller 1962-6-11 8955 Siskiyou East side of Hwy 99 to Black Butte Summit, 4.1 miles south of Weed. 0 Comment
  UCR131613  Lindernia dubia var. dubia L. C. Wheeler 1934-9-15 3261 Siskiyou Siskiyou Mtns., Walker, Klamath River 518 Comment
  HSC53278  Linnaea borealis subsp. longiflora Butler 1971-7-29 238 Siskiyou Near Copper Mtn. Mines, close to the town of Cave Junction. 1464 Comment
  UC336458  Linnaea borealis var. longiflora unknown Siskiyou near Mt. Shasta (Sisson's Woods); near Mt. Shasta, Sisson's Woods Comment
  RSA14401  Linum lewisii Elmer I. Applegate 1923-8-20 3898 Siskiyou Medicine Lake 1982 Comment
  RSA697651  Lithocarpus densiflorus var. echinoides Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mnts. 1006 Comment
  UC1586901  Lithophragma Juha Pykala and D. H. Norris 1987-6-26 2061 Siskiyou 0-3 km below Bear Lake (above Bear Creek, sw slopes); Marble Mountain Wilderness, below Bear Lake, abv Bear Creek Comment
  HSC27484  Lithophragma affine J. P. Smith, J. O. Sawyer 1972-5-27 5355 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  HSC64830  Lithophragma affine J. P. Smith 1973-5-5 6384 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  HSC61906  Lithophragma heterophyllum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC317337  Lithospermum californicum Antone J. Soares 1922-6-1 8553 Siskiyou Shasta Springs Comment
  HSC82205  Lithospermum ruderale Thomas W. Nelson, Jane P. Nelson 1980-7-5 5970 Siskiyou Fowler's Campground 1006 Comment
  CAS-BOT-BC269143  Lolium perenne A. A. Heller 1915-7-18 12125 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  SD88295  Lomatium dasycarpum Darley F. Howe 1972-7-8 Siskiyou Nine and one half miles north of Weed on Highway 97. Comment
  SEINET8589441  Lomatium dissectum G. D. Butler 1910-5-7 1303 Siskiyou Near Yreka Comment
  JEPS101763  Lomatium engelmannii Dean W. Taylor 1997-6-12 16063 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle Comment
  RSA22254  Lomatium engelmannii J. T. Howell 1937-7-29 13656 Siskiyou Scott Mountain between Trinity and Siskiyou counties Comment
  HSC76706  Lomatium macrocarpum K. T. Stillman 1976-7-14 225 Siskiyou Marble Mtn. Wilderness Area, Kings Castle 2073 Comment
  UC1483408  Lomatium macrocarpum Maralyn A. Renner 1980-8-7 2423 Siskiyou ridge S of Preston Peak 1950 Comment
  UC337570  Lomatium macrocarpum J. G. Lemmon 1889-6-26 Siskiyou Mountains near Edgewood Comment
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Jun 26 2012
  HSC46187  Lomatium nevadense Jennifer Whipple 1977-4-30 1883 Siskiyou Scott Valley near Weston Gulch 854 Comment
  HSC31130  Lomatium nudicaule J. O. Sawyer 1971-8-20 2458 Siskiyou S of Buckhorn Mountain on Big Ridge trail 1982 Comment
  CAS-BOT-BC211228  Lomatium tracyi R. C. Barneby 1954-5-17 11534 Siskiyou Scott Mts. 5 miles above Callahan 1249 Comment
  CDA38460  Lomatium triternatum var. macrocarpum T. C. Fuller 1958-6-19 1889 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  UC164429  Lonicera ciliosa Geo. D. Butler 1910-5-23 1395 Siskiyou Humbug Mountain 1219 Comment
  UC796489  Lonicera ciliosa Roxana S. Ferris and Laura Lorraine Jun 12-16 1948 11731 Siskiyou W of Callahan (French Creek Logging Road) 1066 Comment
  HSC29345  Lonicera conjugialis Frederick W. Oettinger 1967-7-26 206 Siskiyou Ridge E of Hancock Lake, Hancock Lake Basin. 1982 Comment
  HSC65101  Lonicera hispidula var. vacillans J. P. Smith, Steve Selva 1970-6-14 3868 Siskiyou Comment
  RSA537376  Lonicera hispidula var. vacillans W. Wisura, J. Romero 1991-10-17 4597 Siskiyou 1.5 mi up Sugar Creek Rd, N of Callahan. Comment
  CAS-BOT-BC240845  Lonicera interrupta Geo. D. Butler 1900-6-17 1571 Siskiyou Near Yreka Comment
  UC1045270  Lonicera interrupta W. Bridge Cooke 1940-6-20 15161 Siskiyou along the Pacific Highway Klamath River Gorge Comment
  CAS-BOT-BC243921  Lonicera involucrata var. involucrata H. E. Brown 1897-7-15 473 Siskiyou South side of Mt. Shasta 3048 Comment
  CAS-BOT-BC200968  Lotus L. R. Abrams 1926-7-4 11229 Siskiyou 1 mile west of Mt. Shasta City on road to Abrams Lake Comment
  RSA406113  Lotus crassifolius M. B. Dunkle 1944-7-3 9064 Siskiyou Siskiyou National Park. 1677 Comment
  SEINET3131480  Lotus crassifolius var. crassifolius G. D. Butler 1910-6-6 1452 Siskiyou Quartz Valley Comment
  POM27601  Lotus humistratus Geo. D. Butler 1909-6-23 911 Siskiyou Goosenest Foothills. Comment
  JEPS100701  Lotus nevadensis var. nevadensis Dean Wm. Taylor with Glenn Clifton 1990-6-12 10874 Siskiyou Adobe Flat Reservoir, ca. 5 miles N of Timbered Crater, 1075 Comment
  RSA211170  Lotus oblongifolius William J. Ferlatte 1966-8-18 412 Siskiyou Wooded area 3 miles S of Big Flat. 1585 Comment
  RSA240072  Lotus oblongifolius Frederick W. Oettinger 1969-8-12 1342 Siskiyou Abbotts Lower Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1189 Comment
  UC60884  Lotus purshianus var. purshianus W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC140213  Luetkea pectinata G. J. Muth 1969-8-10 1330 Siskiyou Ridge w. of Boulder Peak 2346 Comment
  HSC4896  Luetkea pectinata J. O. Sawyer 1968-7-9 426 Siskiyou W of Little Duck Lake. 1936 Comment
  UC572804  Luetkea pectinata unknown 1937-8-17 9294 Siskiyou Mt. Shasta; The Gate 2590 Comment
  UCR80256  Luetkea pectinata L. C. Wheeler 1934-8-14 3121 Siskiyou Siskiyou Mtns., 1 mile west of White Mt. 1921 Comment
  CHSC82791  Lupinus albicaulis var. shastensis L. P. Janeway 2002-7-12 7627 Siskiyou High Cascade Range. 2.7 km west of the summit of Ash Creek Butte; along west side of Road 19 (Military Pass Road) about 1.6 km south of the National Forest boundary. 1780 Comment
  JEPS94882  Lupinus albicaulis var. shastensis Vernon H. Oswald and Lowell Ahart 1998-6-11 9184 Siskiyou ne of Weed (Shasta National Forest plantation on w side of Highway 97 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest, Highway 97 1066 Comment
  UC563063  Lupinus albicaulis var. shastensis Elmer I. Applegate 1923-9-7 3953 Siskiyou Doggett Ridge Doggett Ridge, Siskiyou Mountains (s slope of the Siskiyou Mountains); , Doggett Ridge Comment
  UC640283  Lupinus albifrons H. and M. Dearing 1939-7-3 3812 Siskiyou Etna Comment
  CAS-BOT-BC198370  Lupinus albifrons S. Saufferer 1973-5-6 153 Siskiyou Just south of Dunsmuir along Railroad Creek. Comment
  CAS-BOT-BC195961  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou Fort Jones 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
  UC1481331  Lupinus albifrons var. collinus D. B. Dunn and B. J. Cox 1971-6-9 17937 Siskiyou on U.S. Hwy 97, 9 mi n Weed (at Whitney Creek); Whitney Creek 1249 Comment
  UC796507  Lupinus albifrons var. collinus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11725 Siskiyou French Creek Logging Road w Callahan; French Creek Logging Road 1066 Comment
  UC82285  Lupinus albifrons var. collinus Dr. E. B. Copeland 1903-7-3 3527 Siskiyou Klamathon Comment
  CAS-BOT-BC196321  Lupinus albifrons var. flumineus K. Morris; Dunn; Kenney 1973-6-2 370 Siskiyou On the south side of Hwy 3, 22 mi E of Fort Jones Comment
  HSC24691  Lupinus andersonii J. O. Sawyer 1969-7-9 1226 Siskiyou SE facing slope above South Sugar Lake 1890 Comment
  HSC63295  Lupinus andersonii M. A. Baker 1979-7-30 1083 Siskiyou Marble Mtn. Wilderness, Tickner Summit. 695 Comment
  SEINET5327649  Lupinus andersonii G. Butler 1910-5-15 1349 Siskiyou Greenhorn Moutains 1067 Comment
  RSA104556  Lupinus andersonii var. andersonii Leland S. Smith 1913-5-4 62032 Siskiyou Hornbrook Comment
  UC563134  Lupinus angustiflorus Elmer I. Applegate 1923-8-20 3907 Siskiyou ridge on s side Medicine Lake; s side of Medicine Lake 2133 Comment
  CHSC86648  Lupinus argenteus Jenny Marr 1993-7-1 31 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UCD106687  Lupinus argenteus Robert E. Preston 1995-6-18 872 Siskiyou ca. 3 mi ese of Hornbrook, in oak woodland adjacent to Ager Rd; (Copco 15' quad). 701 Comment
  HSC26149  Lupinus breweri J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5690 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  CAS-BOT-BC215200  Lupinus croceus John Thomas Howell 1937-7-29 13667 Siskiyou Scott Mountain between Trinity and Siskiyou counties Comment
  SEINET10837763  Lupinus croceus var. croceus Oettinger 1969-7-25 OETTINGER s.n. Siskiyou Scott mts., Shasta-trinity nat'l forest: c. 15 Air mi. Sw of weed, near Kangaroo lake campground; dry rocky meadow in lodgepole pine forest. Comment
  SEINET10485428  Lupinus klamathensis Charles Piper Smith 1947-5-13 Smith 47274 Siskiyou 7.4 mi. E of weed. Hwy 97. Comment
  UCD108204  Lupinus latifolius var. latifolius J. M. Tucker 1974-7-28 4325 Siskiyou adjacent to camp at Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  UC144499  Lupinus latifolius var. viridifolius C. F. Baker 1903-8-13 3887 Siskiyou Sisson Comment
  UC609357  Lupinus latifolius var. viridifolius Eleanor B. Hart 1938-8-16 893 Siskiyou e slope Lower Wright Lake; e slope of Lower Wright Lake 2103 Comment
  JEPS65069  Lupinus lepidus var. lobbii Willis L. Jepson 1894-8-11 9 t Siskiyou near Sisson; Mt. Shasta, Muir Peak (now Sugar Loaf), next Black Butte Comment
  SBBG47507  Lupinus lepidus var. lobbii M. B. Dunkle -Aug-1945 9285 Siskiyou Kings Castle, Marble Mtns Comment
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Jul 11 2010
  CHSC66540  Lupinus lepidus var. sellulus Vernon H. Oswald 1996-7-12 8006 Siskiyou High Cascade Range. Sand Flat on Mt. Shasta 1.5 mi N of Everitt Memorial Hwy. (A10). 2164 Comment
  JEPS25582  Lupinus lepidus var. sellulus Rimo Bacigalupi 1959-7-2 7213 Siskiyou eastern outskirts of Weed 1066 Comment
  JEPS83245  Lupinus lepidus var. sellulus W. L. Jepson 1940-6-23 20003 Siskiyou n Mt. Shasta (Andesite Station); n of Mt. Shasta, Andesite Station 975 Comment
  UC1034595  Lupinus lepidus var. sellulus Douglas Barbe 1955-7-1 66 Siskiyou 0.5 mi e Etna; Klamath Mountains Comment
  UC727081  Lupinus lepidus var. sellulus A. A. Heller 1938-7-12 15259 Siskiyou along the old U.S. Highway #97 to Bray near the eastern base Deer Mountain; near eastern base of Deer Mountain 1432 Comment
  RSA47605  Lupinus leucophyllus Roxana S. Ferris, Laura Lorraine, Daniel F. Ferris 1948-6-12 11824 Siskiyou East fork of Scott River, lower Plowman's (Noyes) Valley. 1128 Comment
  SD121782  Lupinus lobbii M. B. Dunkle 1945-8-2 9285 Siskiyou King's Castle [SBBG 47507, an apparent duplicate, adds Marble Mtns.] Comment
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Jul 11 2010
  UC82247  Lupinus luteolus Dr. E. B. Copeland 1903-7-2 3535 Siskiyou Klamathon Comment
  POM10803  Lupinus luteolus E. B. Copeland 1903-7-2 3535 Siskiyou Klamathon Comment
  UC70371  Lupinus microcarpus var. densiflorus Milo S. Baker 1898-4-20 Siskiyou Taylor Mt. Comment
  UCSB17478  Lupinus onustus Breedlove, Dennis 1962-6-10 Siskiyou Along Indian Creek Road, 16.7 miles northwest of Happy Camp; Siskiyou Mountains 1127 Comment
  JEPS65410  Lupinus onustus J. G. Lemmon July, 1879 Siskiyou Indian Valley to Shasta; Indian Valley to Shasta Comment
  UC922392  Lupinus polyphyllus var. burkei Annie M. Alexander and Louise Kellogg 1949-7-20 5821 Siskiyou Paradise Lake; Marble Mountains, Paradise Lake 1920 Comment
  UC922628  Lupinus polyphyllus var. burkei Annie M. Alexander and Louise Kellogg 1948-9-9 5607 Siskiyou Trail to Taylor Lake (meadow); Siskiyou Mountains Comment
  UC1409329  Lupinus polyphyllus var. polyphyllus Frederick W. Oettinger 1969-7-31 1111 Siskiyou boggy area w above English Lake (High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, Western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 1798 Comment
  POM24915  Lupinus sellulus subsp. sellulus Geo. D. Butler 1908-8-2 368 Siskiyou Quartz Valley Comment
  RSA114969  Lupinus sellulus subsp. sellulus E. K. Balls, Lee W. Lenz, B. K. Balls 1956-6-18 21799 Siskiyou 7.5 mi SE of Weed, US Hwy 99. 1220 Comment
  CHSC31370  Lupinus tracyi Jeffrey M. Lund 1980-9-26 94 Siskiyou 3.5 miles from the north end of road 12N06 along the road surface. 1325 Comment
  UC1223256  Lupinus tracyi Joseph P. Tracy 1950-7-20 19208 Siskiyou about 4 mi se of Elk Valley (Del Norte County) in Flint Valley 1432 Comment
  CAS-BOT-BC436706  Luzula comosa var. laxa Roxana S. Ferris; Laura Lorraine 1948-6-12 11743 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  CHSC111640  Luzula comosa var. laxa Peter F. Zika 2009-8-16 24597 Siskiyou Damp meadows near north end of Juanita Lake, over basalt, partial shade, Forest Sevrice Road 46N04. 1550 Comment
  HSC67019  Luzula divaricata J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5741 Siskiyou 2.6 mi. S of Sugar Creek on Parrott Mill Rd. 1341 Comment
  UC1025121  Luzula divaricata Douglas Barbe 1955-8-5 361 Siskiyou growing along the trail from Big Flat to Caribou Lake (at a point nw of summit of Caribou Mountain, Salmon Mountains); Klamath Mountains, Salmon Mountains, nw of summit Caribou Mo 2407 Comment
  SEINET6329309  Luzula subcongesta W. B. Cooke 1938-8-18 11469 Siskiyou Mt. Shasta 2469 Comment
  SEINET11799442  Machaeranthera canescens var. shastensis J. P. Tracy 1949-1 18564 Siskiyou in Scott Valley, 1 mi E of Etna 884 Comment
  SEINET11805950  Machaeranthera canescens var. shastensis C. G. Pringle 1882-1 s.n. Siskiyou Mt. Shasta 2438 Comment
  CAS-BOT-BC342671  Madia citriodora Geo. D. Butler 1910-5-17 1364 Siskiyou Yreka Comment
  CAS-BOT-BC343992  Madia elegans L. R. Abrams 1927-9-11 12147 Siskiyou Pacific Highway between Hilt and Hornbrook Comment
  UC1212558  Madia elegans Francia Chisaki, Helen K. Sharsmith 1959-8-20 4737 Siskiyou ca. 4 mi w of Callahan; Wildcat Creek road Comment
  SD76182  Madia elegans subsp. densifolia Helen V. Witham 1969-10-7 572 Siskiyou Scott River, 10 miles west of Fort Jones 700 Comment
  UC830861  Madia glomerata Louis C. Wheeler 1934-8-24 3216 Siskiyou Trapper Creek Siskiyou Mts., Mt. Diablo Mer. 1859 Comment
  UC54073  Madia gracilis H. M. Hall and E. B. Babcock Jun 1903 4055 Siskiyou near Sisson; Mount Shasta 1066 Comment
  CAS-BOT-BC334707  Madia gracilis G. R. Kleeberger 1880-7-9 s.n. Siskiyou Mt. Bally 1524 Comment
  RSA0034413  Madia gracilis L. C. Wheeler 1934-6-4 2646 Siskiyou Siskiyou Mountains: Horse Creek near mouth 762 Comment
  UC89419  Madia sativa subsp. dissitiflora T. S. Brandegee July 1887 Siskiyou Sisson's Mt. Shasta, Sisson's Comment
  RSA537395  Mahonia aquifolium W. Wisura, J. Romero 1991-10-17 4595 Siskiyou 1.5 mi up Sugar Creek Rd, N of Callahan. Comment
  RSA96933  Mahonia aquifolium P. C. Everett, E. K. Balls 1954-10-12 20271 Siskiyou Beaver Creek from Dutch Creek south 0.5 mi. north of Walker. 549 Comment
  RSA238989  Maianthemum racemosum Frederick W. Oettinger 1966-6-27 29 Siskiyou 400 yeards up road from Crawford Creek Guard Station, Salmon River District, Klamath National Forest, Cecilville Comment
  RSA377698  Maianthemum racemosum M. B. Dunkle 1944-7-7 9082 Siskiyou Siskiyou National Forest Comment
  CAS-BOT-BC512767  Maianthemum racemosum subsp. amplexicaule Alice Eastwood 1912-7-23 1337 Siskiyou Cantara Comment
  RSA184805  Maianthemum stellatum Gilbert Muth 1966-7-8 365 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  CAS-BOT-BC347359  Malacothrix floccifera Roxana S. Ferris; Laura Lorraine 1948-6-12 11756 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  RSA298144  Malacothrix floccifera J. P. Smith, Steve Selva 1970-6-15 3974 Siskiyou 1 mile W of junction Calif. 3 and road 8 leading to Sugar Creek. 1159 Comment
  UC109027  Malva neglecta Brandegee 1887-7-1 Siskiyou Edgewood Comment
  POM210969  Marah oregana L. C. Wheeler 1934-8-2 3026 Siskiyou Siskiyou Mountains: Jaynes Canyon. Mt. Diablo Mer. 1828 Comment
  CAS-BOT-BC269231  Melica aristata C. G. Pringle 1881-8-23 s.n. Siskiyou Mount Shasta 1828 Comment
  HSC31095  Melica aristata Frederick W. Oettinger 1969-9-4 1662 Siskiyou Marble Mtn. Wilderness Area, N side of Tom Lake Basin. 1951 Comment
  JEPS118733  Melica aristata Julie Kierstead Nelson 2008-7-12 2008 -002 Siskiyou South slope of Mt. Shasta. Elk Spring 7.5' quad. Comment
  RSA239020  Melica aristata Frederick W. Oettinger 1969-9-4 1662 Siskiyou North side of Tom Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  HSC22488  Melica bulbosa J. O. Sawyer 1969-7-2 1025 Siskiyou SW facing upper slope SW of Upper Lake. 2378 Comment
  HSC77114  Melica bulbosa K. T. Stillman 1976-6-25 68 Siskiyou Marble Mountain Wilderness Area. 1829 Comment
  RSA403520  Melica bulbosa M. B. Dunkle 1945-1 9319 Siskiyou Klamath National Forest; Marble Mountains, Black Marble ridge [?]. Comment
  HSC5  Melica fugax William J. Ferlatte 1966-6-23 127 Siskiyou Yellow Rose Mine. 1982 Comment
  POM299029  Melica harfordii Marion Ownbey, Fred G. Meyer 1940-7-7 2217 Siskiyou Near summit of Cayenne Ridge, Marble Mountain. Comment
  UC1265411  Melica harfordii F. W. Oettinger 1969-8-3 1143 Siskiyou above English Lake (w Siskiyou Co.); Salmon Mtns 1828 Comment
  CAS-BOT-BC281388  Melica harfordii Doris K. Kildale 1928-6-24 5276 Siskiyou Entrance to Horse Mountain 914 Comment
  JEPS63470  Mentha canadensis Willis L. Jepson Jul 24 1894-Aug 10 1894 14917 Siskiyou Sisson; Upper Sacramento, Sisson Comment
  JEPS41179  Mentzelia montana W. L. Jepson 1940-6-23 19999 Siskiyou e Mayten (east side of valley); Little Shasta Valley 883 Comment
  UCD102787  Micranthes bryophora Joseph M. DiTomaso 1975-9-10 320 Siskiyou Caribou side of Sawtooth Ridge. 2194 Comment
  CAS-BOT-BC428978  Micranthes ferruginea Ira L. Wiggins 1955-7-27 13548 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  SEINET8463950  Micranthes ferruginea D. W. Taylor 1996-7-7 15801 Siskiyou Salmon Mountains, Ruffey Lakes (about 8 air miles Southwest of Etna) in cirque above the upper lake, Klamath National Forest 2073 Comment
  SEINET6167436  Micranthes oregana G. D. Butler 1910-6-19 1590 Siskiyou Goosenest foothills. 1524 Comment
  UC1190270  Microseris nutans Ira L. Wiggins 1955-7-27 13520 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC63063  Microsteris gracilis David Wheeler 1979-4-8 44 Siskiyou Comment
  HSC78192  Mimulus breweri L. P. Janeway 1983-7-10 406 Siskiyou Poker Flat 1524 Comment
  SEINET10570211  Mimulus breweri Mary Susan Taylor 1980-7-8 Taylor 3103 Siskiyou T39N R5W ne sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on NW side of Castle Lake, along edge of lake. 1615 Comment
  HSC72392  Mimulus cardinalis J. P. Smith, Steve Selva 1970-7-16 4372 Siskiyou Along FS Rd. 19N01 Comment
  RSA237550  Mimulus floribundus Frederick W. Oettinger 1969-7-11 980 Siskiyou Little Medicine Mountain, north of Hancock Lake. Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  UCD122627  Mimulus floribundus Vernon H. Oswald; Lowell Ahart 1998-7-21 9347 Siskiyou Northeast of Weed and east of Grass Lake on the south side of Tennant Rd. 0.2 mi southeast of Old State Hwy to Bray and on the east side of the intermittent stream draining Dry Lake. 1402 Comment
  JEPS77506  Mimulus layneae L. R. Heckard with R. Bacigalupi, T. I. Chuang 1978-7-18 4874 Siskiyou 17 mi e Montague (Ball Mt. Road, n of Goosenest Mt.) 1432 Comment
  UC144524  Mimulus layneae Copeland 1903-9-5 3851 Siskiyou Igerna Comment
  UC164473  Mimulus layneae Geo. D. Butler 1910-6-19 1585 Siskiyou Goosenest foothills 1524 Comment
  UC445194  Mimulus layneae Milo S. Baker 1899-7-8 Siskiyou Lava Beds Fall River Valley Comment
  UCR37819  Mimulus lewisii K. T. Stillman 1976-7-22 293 Siskiyou Marble Mountain Wilderness Area Comment
  UC125269  Mimulus microphyllus Harley P. Chandler June 1901 1694 Siskiyou near Marble Mountain; North Coast Ranges 1524 Comment
  HSC36420  Mimulus moschatus J. O. Sawyer 1968-7-10 522 Siskiyou S side of Sugar Creek. 1616 Comment
  RSA12581  Mimulus nanus var. jepsonii Carl B. Wolf 1934-7-6 6005 Siskiyou 5.4 mi. from Mt. Shasta City on Wagon Camp Rd. S.W. slope of Mt. Shasta. 1220 Comment
  RSA12622  Mimulus nanus var. nanus Carl B. Wolf 1934-7-5 5963 Siskiyou 3.6 miles from Dry Lake Lookout on road to Horse Creek, Siskiyou Mountains 1982 Comment
  RSA211425  Mimulus nanus var. nanus William J. Ferlatte 1966-8-18 409 Siskiyou Wooded area 3 miles south of Big Flat, Trinity Alps. 1585 Comment
  SFV8682  Mimulus nanus var. nanus J. M. Tucker 1963-7-7 3724 Siskiyou Marble Mountain Wilderness area. In vicinity of Paradise Lake at base of Kings Castle on the east side. Open, rocky, east facing slope. 1982 Comment
  UC1063014  Mimulus primuloides L. Whitney 1934-6-10 1 Siskiyou Antelope Creek Dorris Quadrangle, Tennant 1463 Comment
  RSA101711  Mimulus primuloides C. Hart Merriam 1898-09 s.n. Siskiyou Wagon Camp. Comment
  UC618709  Mimulus tilingii W. Bridge Cooke 1938-8-18 11483 Siskiyou above Horse Camp (on Summit Trail); Mount Shasta, Horse Camp Springs Comment
  RSA11895  Minuartia nuttallii subsp. fragilis Elmer I. Applegate 1923-8-18 3864 Siskiyou Top of Redshale Mountain, east of Medicine Lake. 2439 Comment
  CHSC75696  Minuartia nuttallii subsp. gregaria Vernon H. Oswald; Lowell Ahart 1999-7-2 9821 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southeast of Gazelle-Callahan Hwy., 0.6 mi northwest of the highway summit. On a roadcut. 1569 Comment
  CAS-BOT-BC181159  Minuartia rubella John Thomas Howell 1939-8-8 15171 Siskiyou Black Mt., Marble Mts. Comment
  JEPS105407  Minuartia stolonifera Dean W. Taylor 1996-7-7 15820 Siskiyou Scott Mountains; Highway 3 about 3 miles North of Scott Mountain Pass; Klamath National Forest 1402 Comment
  CHSC88777  Mirabilis greenei Jenny Marr 1993-7-1 198 Siskiyou Steamboat Mtn. Shasta Valley Wildlife Area, +/- 20 air miles S of Oregon border and 8 miles E of Yreka. Meadow. 701 Comment
  RSA661226  Mirabilis greenei Rachel Levin 1998-5-25 98- 4 -A/B Siskiyou On Copco Road, 2.4-5 miles from jct. with I-5, head east towards the Copco Dam, plants on left side of road. Comment
  POM92177  Mitella breweri Geo. D. Butler 1908-8-8 219 Siskiyou Marble Valley. Comment
  HSC19  Mitella trifida William J. Ferlatte 1966-6-22 93 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's. 1524 Comment
  JEPS23553  Mitella trifida Rimo Bacigalupi with Arthur and Ruby Van Deventer and Don Liles 1959-7-9 7255 Siskiyou Poker Flat Siskiyou Mountains 1536 Comment
  JEPS25622  Moehringia macrophylla Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7256 Siskiyou Poker Flat 1536 Comment
  HSC43386  Moehringia macrophylla Maralyn O'Meara 1974-5-26 462 Siskiyou Along USFS Rd. 47N03 1524 Comment
  CAS-BOT-BC435053  Mollugo verticillata Doris K. Kildale 1928-7-25 5883 Siskiyou Klamath River at Mack's Creek near Hamburg 457 Comment
  UCD125283  Monardella odoratissima J. M. Tucker 1963-8-19 3785 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area. 1920 Comment
  CAS-BOT-BC221810  Monardella odoratissima G. D. Hanna 1950-8-1 s.n. Siskiyou 2 miles north of Medicine Lake Comment
  JEPS84084  Monardella odoratissima subsp. glauca L. R. Heckard with J. Hickman et al. 1986-7-17 6515 Siskiyou N slope Condrey Mt. 1960 Comment
  UC2035944  Monardella odoratissima subsp. glauca W. Bridge Cooke 1940-7-26 15361 Siskiyou Near Black Butte Spring Comment
  UCD125202  Monardella odoratissima subsp. glauca K. M. Meyer; A. Townesmith 2007-8-2 186 Siskiyou Klamath National Forest; 10.1 miles on National Forest Road 70, off Highway 97 toward Oregon. 1956 Comment
  SEINET844328  Monardella odoratissima subsp. glauca Marion Ownbey, Fred G. Meyer 1940-1 2182 Siskiyou in sandy soil in open meadow well below timber line on east side of Mt. Shasta Comment
  CAS-BOT-BC220360  Monardella odoratissima subsp. pallida Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  JEPS63390  Monardella odoratissima subsp. pallida Geo. D. Butler 1908-8-3 167 Siskiyou near Log Lake; Shackelford Creek 1524 Comment
  CAS-BOT-BC220227  Monardella sheltonii Annetta Carter 1934-8-12 695 Siskiyou North side of Klamath River near mouth of Walker Creek (east end of Seiad Valley) 426 Comment
  JEPS84216  Monotropa hypopitys L. R. Heckard with J. Hickman et al. 1986-7-17 6450 Siskiyou ca 5 mi n Seiad Valley; Cook and Green Pass 1465 Comment
  HSC22224  Montia parvifolia J. O. Sawyer 1969-7-10 1302 Siskiyou SE facing slope above S Sugar Lake 2165 Comment
  SEINET7098050  Montia parvifolia Barbara L. Wilson 1994-5-27 6918 Siskiyou Trailhead for New London Trail, between road 1050 (Elliott Creek Road) and the creek, at the parking area. Comment
  UCD86501  Muhlenbergia andina R. Tofsrud 1950-7-1 s.n. Siskiyou E. side of Mt. Shasta. Comment
  CHSC69101  Muhlenbergia richardsonis Vernon Oswald; Lowell Ahart 1997-7-28 8800 Siskiyou Pumice Stone Well 0.2 mi south of Medicine Lake Rd. on Forest Route 15. At the edge of a meadow. 1905 Comment
  JEPS105222  Myosurus minimus subsp. major Dean W. Taylor 1995-6-4 14963 Siskiyou 2 miles southeast of Montague; Shasta Valley Wildlife Management Area; Little Shasta River 853 Comment
  CHSC33986  Nama lobbii J. D. Prouty 1979-8-22 7908221 Siskiyou E slopes of Mt. Shasta. 1950 Comment
  CHSC693  Nama lobbii V. Holt 1932-6-20 Siskiyou Mt. Shasta flats. 1828 Comment
  HSC12275  Nama lobbii Richard Spjut 1970-7-18 468 Siskiyou 8 mi. E of Mt. Shasta just off Hwy. 89 1220 Comment
  RSA166186  Nama lobbii Donald Myrick 1961-6-22 319 Siskiyou On Hwy 89 near McCloud. 915 Comment
  CHSC63346  Navarretia capillaris Vernon H. Oswald; Lowell Ahart 1994-7-11 6399 Siskiyou Junction of Forest Rd. 26 (to Mt. Shasta) and Forest Rd. 40N45 (to Deadfall Lakes Trailhead), 1.0 mi N of Gumboot Trailhead on the Pacific Crest Trail, W of Dunsmuir. Roadside beside a pond. 1901 Comment
  HSC61862  Navarretia capillaris Ruby Van Deventer 1961-7-13 Siskiyou Poker Flat 1585 Comment
  UC1409294  Navarretia divaricata Frederick W. Oettinger 1968-8-8 578 Siskiyou Tobacco Lake meadows, vicinity of English Peak, w Siskiyou County Salmon Mountains, Marble Mountain Wildeness Area 1889 Comment
  JEPS70320  Navarretia intertexta W. L. Jepson 1940-7-3 20102 Siskiyou 5 mi se Bartle; Big Bear Flat 1219 Comment
  JEPS81653  Navarretia leucocephala subsp. minima L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2298 Siskiyou on US Hwy 97 0.8 mi s Bray junction; Murphy Wells 1493 Comment
  UC880876  Nemophila heterophylla Louis C. Wheeler 1935-6-1 3538 Siskiyou Yreka Creek , Yreka Creek (Siskiyou Mts.) 853 Comment
  CAS-BOT-BC219530  Nemophila parviflora Lewis S. Rose 1945-6-18 45091 Siskiyou Horse Creek & Klamath River 502 Comment
  HSC65639  Nemophila parviflora J. P. Smith, Steve Selva 1970-6-15 3919 Siskiyou 10 mi. NW of Forks of Salmon Comment
  HSC22175  Nemophila parviflora var. austiniae J. O. Sawyer 1969-7-16 1150 Siskiyou W of Waterdog Lake 2073 Comment
  HSC23551  Nemophila parviflora var. austiniae J. O. Sawyer 1970-7-3 2315 Siskiyou 1402 Comment
  POM211254  Nepeta cataria Louis C. Wheeler 1934-9-18 3279 Siskiyou Siskiyou Mts. Dutch Creek off Klamath River 701 Comment
  HSC67615  Nicotiana attenuata J. P. Smith, Steve Selva 1970-8-8 4574 Siskiyou Lava Beds National Monument Comment
  RSA80775  Nicotiana attenuata F. W. Peirson 1923-7-19 3837 Siskiyou 20 miles north of Bray. Comment
  CAS-BOT-BC60581  Noccaea fendleri subsp. glauca Geo. D. Butler 1910-6-4 1503 Siskiyou Shackleford Creek. Comment
  CHSC402  Nothocalais alpestris V. Holt 1943-8-9 Siskiyou Marble mountains. 1828 Comment
  HSC4842  Nothochelone nemorosa J. O. Sawyer 1968-9-13 713 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  UC609364  Nothochelone nemorosa Eleanor Burks Hart 1938-8-21 891 Siskiyou Upper Wright Lake 2225 Comment
  RSA420390  Nothochelone nemorosa M. B. Dunkle 1944-8-25 9165 Siskiyou Sikiyou Nat'l Forest. Coastal northern California. 1768 Comment
  SEINET8884740  Olsynium douglasii G. Butler 1910-3-11 1123 Siskiyou Ureka hills 914 Comment
  UC1167562  Olsynium douglasii var. douglasii Gene B. Newcomb and H. G. Baker Mar 28 1959-Mar 29 1959 233 Siskiyou on US Hwy 99 4.5 mi n Yreka city limits 914 Comment
  CAS-BOT-BC349958  Onopordum tauricum T. C. Fuller 1959-12-10 3324 Siskiyou Fred Voelker ranch, W edge/Meiss Lake Basin, just S/Sam's Neck, ca. 15 mi SW/Dorris Comment
  CAS-BOT-BC355599  Oreostemma alpigenum var. andersonii David D. Keck 1949-7-20 6362 Siskiyou Meadow at Scott Mountain summit, at Trinity County line 1633 Comment
  SEINET5708888 Image available Oreostemma alpigenum var. andersonii Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7704 Siskiyou Scott Mts. Collected along Road 17, 12.7 miles SW from the intersection of I-5 and Stewart Springs road.; Scott Mountains 2036 Comment
  HSC68885  Orobanche fasciculata Maralyn A. Renner 1980-6-9 844 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  RSA0066440  Orobanche fasciculata Frederick W. Oettinger 1968-8-17 552 Siskiyou Along trail from Tom Taylor cabin to Pine Lake. 2004 Comment
  HSC61868  Orogenia fusiformis Ruby Van Deventer 21 May [year missing] Siskiyou Poker Flat 1585 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
  HSC68382  Orthilia secunda Maralyn A. Renner 1980-6-26 1206 Siskiyou N edge of Flint Valley 1390 Comment
  UC1299571  Orthilia secunda Freed W. Hoffman 1950-7-13 3647 Siskiyou Baldy Mountain Comment
  UC141178  Orthilia secunda Dr. E. B. Copeland 1903-9-6 3924 Siskiyou Mt. Eddy 1371 Comment
  UC933403  Orthilia secunda Annie M. Alexander and Louise Kellogg 1948-9-8 5604 Siskiyou Top of grade beteween Sawyers Bar and Etna 1706 Comment
  UCR101272  Orthilia secunda L. C. Wheeler 1959-7-25 7594 Siskiyou Marble Mountains, Camp Three, Rogers Creek 329 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
  RSA749251  Orthocarpus cuspidatus subsp. cuspidatus K. M. Meyer, A. Townesmith 2007-8-2 187 Siskiyou Klamath National Forest, 13.3 m on Forest Service Rd. 70, off US Hwy. 97 toward Oregon. 1956 Comment
  UC454802  Orthocarpus imbricatus I. J. Condit 1911-7-15 Siskiyou McCloud Comment
  UC110977  Orthocarpus pachystachyus H. E. Brown Jun 1-15 1897 449 Siskiyou n side Mt. Shasta Comment
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Jun 23 2016
  HSC22172  Osmorhiza berteroi J. O. Sawyer, D. E. Anderson 1969-7-18 1382 Siskiyou Near South Russian Creek 1890 Comment
  HSC91161  Osmorhiza berteroi Jennifer Whipple 1977-7-22 2050 Siskiyou Dale Creek drainage on the N face of Mount Eddy 2195 Comment
  UC642517  Osmorhiza berteroi W. Bridge Cooke 1939-6-23 13546 Siskiyou upper Wagon Camp meadow Mount Shasta Comment
  UCD103451  Ozomelis trifida Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou East of Marble Mountain, Marble Mountains. 1828 Comment
  UC1731286  Packera cana Dean Wm. Taylor with Joe Molter 1998-6-17 16558 Siskiyou base of hillslopes 3 mi s of Gazelle (bordering Shasta Valley, Scott Mountains); Klamath Region, Scott Mountains 1036 Comment
  UC585146  Packera cana E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1880 Siskiyou about 2 mi s Sheep Rock (on highway from Bray to Weed); n slope of Mt. Shasta 1249 Comment
  CAS-BOT-BC316759  Packera cana Elmer Ivan Applegate 9477 Siskiyou Thomas massacre area, Lava Beds national Monument Comment
  UC128685  Packera streptanthifolia A. A. Heller 1905-6-20 8076 Siskiyou Gazelle Comment
  UCSC004606  Panicum acuminatum var. fasciculatum Randall Morgan 2004-5-31 4179 Siskiyou Castle Crags State Park, Sacramento River, Middle Creek Comment
  CAS-BOT-BC175508  Parnassia fimbriata J. M. Tucker; L. K. Mann; S. L. Holloway 1963-8-18 3745 Siskiyou Upper Canyon Creek, ca. 1/2 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area 1920 Comment
  CAS-BOT-BC419730  Parnassia fimbriata Julie Kierstead Nelson; Martin Lenz; Rhonda Posey 2014-8-13 2014 -085 Siskiyou Headwaters of West Fork Parks Creek, adjacent to Road 41N29Y, 2 miles NE of China Mountain, eastern Klamath Ranges. 2194 Comment
  HSC2383  Parnassia fimbriata W. J. Ferlatte 1966-8-19 435 Siskiyou Trinity Alps, Kidd Creek Trail. 1890 Comment
  CAS-BOT-BC175604  Parnassia palustris Copeland 1903-9-6 3860 Siskiyou Mt. Eddy Comment
  JEPS16030  Pastinaca sativa W. L. Jepson July, 1894 14262 Siskiyou Sisson Comment
  CAS-BOT-BC202841  Paxistima myrsinites Roxana S. Ferris; Laura Lorraine 1948-6-12 11753 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  HSC68882  Paxistima myrsinites Maralyn A. Renner 1980-9-1 2756 Siskiyou Trail from Doe Flat to Trout Camp 1098 Comment
  UC1408911  Paxistima myrsinites Frederick W. Oettinger and R. F. Thorne 1969-8-7 1281 Siskiyou e. side English Lake Outlet; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1767 Comment
  CAS-BOT-BC266641  Pedicularis bracteosa John Thomas Howell 1939-8-3 15010 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  HSC4829  Pedicularis bracteosa var. flavida J. O. Sawyer 1968-7-23 624 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  HSC294  Pedicularis contorta William J. Ferlatte 1965-8-17 397 Siskiyou Caribou Basin 1982 Comment
  SJSU2578  Pedicularis howellii H. L. Buckalew 1962-7-9 Siskiyou Poker Flat c. 3 mi W of junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts 1143 Comment
  RSA211402  Pedicularis racemosa William J. Ferlatte 1966-8-19 443 Siskiyou Kidd Creek Trail. Trinity Alps. 1890 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
  UCR208056  Pellaea brachyptera L. C. Wheeler 1934-8-30 3227 Siskiyou Siskiyou Mountains, Trapper Creek 1372 Comment
  RSA237835  Pellaea brachyptera Frederick W. Oettinger 1968-8-6 538 Siskiyou South facing rather steep slope of Little Medicine Mountain due north of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2088 Comment
  UC1408849  Pellaea brachyptera Frederick W. Oettinger 1968-8-16 538 Siskiyou due n of Hancock Lake (near summit of Little Medicine Mt); Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2087 Comment
  CAS-BOT-BC67669  Pellaea breweri Gilbert Muth 1966-8-3 163 Siskiyou Marble Mountains 1792 Comment
  UCD137694  Pellaea breweri John M. Tucker 1963-8-18 3760 Siskiyou Marble Mountain Wilderness Area, Black Marble Mountain. 2133 Comment
  UC1586979  Penstemon anguineus Juha Pykala and D. H. Norris 1987-6-26 2116 Siskiyou 0-3 km below Bear Lake (above Bear Creek, sw slopes); Marble Mountain Wilderness area Comment
  JEPS74563  Penstemon anguineus W. J. Ferlatte 1966-8-5 325 Siskiyou n side Caribou Mtn Trinity Alps, n side of Caribou Mtn 1981 Comment
  SD75840  Penstemon anguineus Darley F. Howe 1969-8-30 Siskiyou North fork of Salmon River, near Blake's Creek, about 20 miles southwest of Aetna 1829 Comment
  UC722785  Penstemon anguineus C. L. Hitchcock, J. S. Martin 1939-7-6 5212 Siskiyou open hillside on Takilma-Happy Camp Road 1676 Comment
  POM14668  Penstemon davidsonii subsp. davidsonii E. B. Copeland 1903-8-16 3871 Siskiyou Mount Shasta 3201 Comment
  HSC65576  Penstemon deustus R. White 1977-7-7 110 Siskiyou Devil's Punchbowl, NE shore 1433 Comment
  HSC67812  Penstemon deustus J. O. Sawyer, J. Cole 1980-7-21 3826 Siskiyou N of FS Rd. 44N01 near intersection with road to Lava Camp. 1677 Comment
  HSC19130  Penstemon deustus J. O. Sawyer 1969-6-12 871 Siskiyou SE upper slope above Sugar Creek 1707 Comment
  JEPS11273  Penstemon gracilentus W. L. Jepson 1940-6-27 20035 Siskiyou e slope Mt. Shasta 1828 Comment
  UC1561057  Penstemon gracilentus Dean Wm. Taylor with Glenn L. Clifton, Rexford Palmer 1987-6-7 9023 Siskiyou near Yellowjacket Ice Cave (Medicine Lake Highland); Upper Modoc Plateau, Medicine Lake highland, nr Yellowjacket 1798 Comment
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Jun 8 2008
  UCD124177  Penstemon gracilentus Jack Major 1961-7-14 653 Siskiyou ridge above Mud Creek, Mount Shasta. 2316 Comment
  RSA78949  Penstemon gracilentus E. K. Balls, Percy C. Everett 1952-10-12 18176 Siskiyou 3.1 mi W of Boundary, Lava Beds Nat'l Monument on road from Indian Well Ranger Station to Tenant. 1372 Comment
  NY603843  Penstemon humilis var. humilis G. Schoolcraft 1985-6-18 1433 Siskiyou Mahogany Mountains 1706.9 Comment
  HSC60832  Penstemon laetus subsp. sagittatus Ruby Van Deventer 1960-7-8 Siskiyou Bell Echo (Bell Echo Camp), in Youngs Valley Comment
  NY604564  Penstemon laetus var. sagittatus A. A. Heller 1938-7-12 15257 Siskiyou Along U.S. Highway 97, near the western base of Deer Mountain Comment
  SBBG16534  Penstemon newberryi D. Myrick 1961-6-19 263 Siskiyou rd to Mt Shasta Ski Bowl 1371 Comment
  JEPS5707  Penstemon newberryi var. newberryi W. L. Jepson Jul 1894 21414 Siskiyou Muir Peak ((Black Butte), Sisson Comment
  RSA724922  Penstemon parvulus L. P. Janeway 2006-7-4 8793 Siskiyou Scott Mountains; Opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  RSA420440  Penstemon parvulus M. B. Dunkle 1945-1 9208 Siskiyou Black Marble Mtn. Klamath Nat'l Forest. Marble Mtns. 2134 Comment
  NY638947  Penstemon procerus var. brachyanthus F. W. Pennell 1940-7-17 26180 Siskiyou Above Ruffy Lake, Salmon Mountains, west of Etna 1981.2 Comment
  UC164353  Penstemon procerus var. brachyanthus Geo. D. Butler 1910-7-10 1739 Siskiyou Shackleford Creek Upper Campbell Lake, Shackleford Creek 1371 Comment
  HSC60465  Penstemon procerus var. brachyanthus Carl Wishner 1978-7-19 549 Siskiyou Sandy Ridge trail 11W21E, Monument Lake, Marble Mtn. Wilderness 1768 Comment
  CHSC86633  Penstemon roezlii Jenny Marr 1993-7-1 16 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC82288  Penstemon roezlii Thomas W. Nelson, Jane Nelson 1979-6-15 4811 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  UCR77234  Penstemon roezlii Peter S. Lathrop 1992-7-4 58 Siskiyou Everett Memorial Highway, Mt. Shasta, Shasta National Forest 1524 Comment
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Feb 11 2016
  POM42981  Penstemon roezlii Geo. D. Butler 1910-6-23 1601 Siskiyou Yreka Creek. Comment
  CHSC1886  Penstemon rupicola V. Holt 1932-7-5 Siskiyou Castle Lake. 1981 Comment
  NY651257  Penstemon rydbergii var. oreocharis P. Rubtzoff 1978-6-26 9218 Siskiyou Southeast margin of Grass Lake near Highway 97 Comment
  UCR179188  Penstemon speciosus Robert E. Preston 2002-7-12 1909 Siskiyou Rainbow Mountain and Vicinity, Klamath National Forest, south slope of Rainbow Mtn. 1790 Comment
  RSA176492  Penstemon speciosus A. A. Heller 1928-6-9 14605 Siskiyou Near Yreka. Comment
  HSC58905  Perideridia gairdneri subsp. gairdneri Butler 1971-8-2 269 Siskiyou Near Youngs Valley 1403 Comment
  RSA237652  Perideridia gairdneri subsp. gairdneri Frederick W. Oettinger, R. Thorne 1969-8-8 1304 Siskiyou In boggy meadow below Sundew Bog upper bog holes just west of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
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Jun 12 2012
  JEPS107491  Perideridia lemmonii Lowell Ahart, John Dittes 2005-6-10 12112 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  UC1446414  Perideridia oregana Laura Witherspoon 1980-9-17 124 Siskiyou Oak Knoll Ranger District 762 Comment
  HSC405  Perideridia parishii subsp. latifolia William J. Ferlatte 1966-8-2 233 Siskiyou Big Flat, between campground and S fork of the Salmon River 1524 Comment
  UCD77912  Perideridia parishii subsp. latifolia Robert E. Preston 2001-8-26 1757 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1877 Comment
  CAS-BOT-BC418939  Persicaria lapathifolia Carl B. Wolf 1927-8-26 990 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  POM40311  Petasites palmatus Geo D. Butler 1909-4-11 627 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC142701  Phacelia cookei W. B. Cooke; V. G. Cooke 1970-7-22 42690 Siskiyou Andesite Road, 0.5 mi. above Andesite turnoff of US-97 Mt. Shasta 1402 Comment
  CHSC4289  Phacelia dalesiana D. Parker 1965-6-1 640 Siskiyou Scott Mt. 1630 Comment
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Jul 5 2017
  UC164111  Phacelia egena Geo. D. Butler 1910-5-17 1356 Siskiyou near Yreka Comment
  POM73771  Phacelia egena Geo. D. Butler 1910-5-4 1280 Siskiyou Dry hill near Yreka Comment
  HSC13708  Phacelia greenei J. T. Howell 1952-6-14 28340 Siskiyou East side of Scott Valley, 9.5 miles from Fort Jones on road to Callahan 854 Comment
  RSA60785  Phacelia greenei Dorothy Parker 1948-5-16 s.n. Siskiyou East side of Scott Valley 915 Comment
  JEPS94266  Phacelia hastata subsp. hastata Vernon H. Oswald and Lowell Ahart 1998-6-11 9181 Siskiyou ne of Weed (Shasta National Forest plantation on w side of Highway 97, 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest, Highway 97 1066 Comment
  RSA12604  Phacelia heterophylla subsp. virgata Carl B. Wolf 1934-7-6 5982 Siskiyou 1/4 mile east of Mt. Shasta City. Southwest slope of Mt. Shasta. 1098 Comment
  HSC2392  Phacelia mutabilis William J. Ferlatte 1966-8-18 418 Siskiyou Along S Fork of Salmon River between the campground and Carter's 1524 Comment
  JEPS25833  Phacelia mutabilis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-19 7447 Siskiyou about 12 mi by air nw Happy Camp; Siskiyou Mts. Poker Flat 1524 Comment
  RSA12501  Phacelia mutabilis Carl B. Wolf 1934-7-4 5935 Siskiyou Horse Creek Rd. to Dry Lake Lookout, Siskiyou Mts. 13.5 mi. from Horse Creek Bridge on Klamath River. 1524 Comment
  UC1034049  Phacelia mutabilis W. Bridge Cooke 1941-9-10 16308 Siskiyou vicinity of Horse Camp Mt. Shasta Comment
  RSA238770  Phacelia mutabilis Frederick W. Oettinger 1968-8-16 546 Siskiyou On Little Medicine Mountain due N of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1982 Comment
  JEPS107317  Phacelia ramosissima var. ramosissima Lowell Ahart, John Dittes 2005-6-10 12084 Siskiyou Under a juniper tree, about 50 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  CAS-BOT-BC265816  Phalaris arundinacea Calvin McMillan; Malcom A. Nobs 1949-6-17 802 Siskiyou Grass Lake, Highway 97 Comment
  CHSC91624  Philadelphus lewisii G. F. Hrusa 2001-6-6 15855 Siskiyou Siskiyou Mountains. Along Hwy 96 at Scott R. Bridge. Cuts above river. UTM: 10T, 4625883 N, 0496656 E. 426 Comment
  RSA0057589  Philadelphus lewisii I. L. Wiggins 1955-7-21 s.n. Siskiyou Small gulch on Rush Creek Trail 1.5 mi. above Mt. View Ranch. 1037 Comment
  UC1024789  Phleum pratense Leo Whitney 1934-6-29 2233 Siskiyou near Tennant (Antelope Creek); Antelope Creek 1463 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
  UC164142  Phlox douglasii subsp. rigida Geo. D. Butler 1910-3-13 1127 Siskiyou Klamath Hills Comment
  SEINET7042788  Phlox gracilis A. G. Vestal 1955-5-17 s.n. Siskiyou 3 miles northeast of Fort Jones on Moffett Creek Road. Moffett Creek Valley. Indian Creek quadrangle UTM Zone 10, 518135mE, 4608002mN. Comment
  CAS-BOT-BC232827  Phlox hirsuta L. B. Kildale 1930-6-1 9830 Siskiyou Mill Creek, near Etna Mills Comment
  SEINET7042841  Phlox hirsuta A. G. Jones 1955-1 Siskiyou Comment
  SBBG6059  Phlox speciosa H. and M. Dearing 1939-6-30 3760 Siskiyou Callahan-Trinity Alps Rd 1828 Comment
  UC682098  Phlox speciosa G. L. Stebbins Jr. with A. A. Beetle 1942-6-1 3267 Siskiyou 15 mi n Happy Camp (above Indian Creek) 1219 Comment
  UC585201  Phlox speciosa subsp. nitida E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2014 Siskiyou about 1.5 mi w Mt. Shasta City (e and ne slope of spur of Rainbow Ridge, above Sulloway Creek); Rainbow Ridge 1188 Comment
  HSC36889  Phlox speciosa subsp. occidentalis J. P. Smith 1974-5-26 7550 Siskiyou Along FS Rd. 47N03 1524 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
  UC163854  Phlox speciosa subsp. occidentalis Geo. D. Butler 1909-4-13 650 Siskiyou near Yreka Comment
  RSA469942  Phlox speciosa subsp. occidentalis Christopher Davidson 1975-6-5 2652 Siskiyou 9.1 miles W of Gazelle on road to Callahan. Klamath National Forest. 1120 Comment
  SFV1505  Phoenicaulis cheiranthoides D. Parker 1958-4-13 629 Siskiyou Near Callahan. 957 Comment
  UC375256  Phoradendron Geo. D. Butler 1908-8-16 275 Siskiyou hills near Yreka Comment
  CAS-BOT-BC135021  Phoradendron bolleanum Louis C. Wheeler 1934-6-26 2789 Siskiyou Camp Lowe, Klamath River, Siskiyou Mts. 762 Comment
  CHSC75765  Phoradendron densum Vernon H. Oswald; Lowell Ahart 1999-7-5 9814 Siskiyou Gazelle Mtn. on road 41N03 1.0 mi southeast of Gazelle-Callahan Hwy. 1554 Comment
  CAS-BOT-BC171213  Phoradendron serotinum subsp. tomentosum W. R. Dudley 1901-8-26 s.n. Siskiyou W of Gazelle Comment
  POM77480  Phyllodoce empetriformis Geo D. Butler 1910-7-8 1686 Siskiyou Shackleford Creek. 1829 Comment
  CAS-BOT-BC60779  Physaria occidentalis C. L. Hitchcock; J. S. Martin 1939-7-9 5305 Siskiyou North side of Black Mountain, near Marble Mountain (King's Castle). 2072 Comment
  CAS-BOT-BC60773  Physaria occidentalis Edwin Bingham Copeland 1903-7-6 s.n. Siskiyou Cottonwood Creek, Hornbrook. Comment
  CAS-BOT-BC140605  Physocarpus capitatus L. E. Smith 1913-6-12 352 Siskiyou Road between Sisson and Castle Lake Comment
  HSC43422  Picea breweriana Maralyn O'Meara 1974-5-25 389 Siskiyou Along road to Duck Lakes trail 1402 Comment
  SEINET10666399  Picea breweriana Peter W. Fritsch, James R. Shevock 2012-6-20 Fritsch 1935 Siskiyou Russian Wilderness, Klamath National Forest. Along Sugar Creek Trail to Sugar Lake from trailhead off forest road 41N14. 1755 Comment
  RSA593941  Picea breweriana L. C. Wheeler 1963-9-3 8347 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
  CAS-BOT-BC73389  Pinus albicaulis Geo. B. Grant 1902-9-8 s.n. Siskiyou Horse Camp, Mt. Shasta Comment
  HSC101731  Pinus albicaulis Michael Kauffmann, Jeffrey Kane 2013-7-24 16 Siskiyou Ridgeline within the Antelope Creek RNA 2186 Comment
  JEPS82671  Pinus albicaulis Steve Edwards 1984-6-7 Siskiyou South China Mountain 2438 Comment
  UC60967  Pinus albicaulis Geo. B. Grant 1902-9-1 5123 Siskiyou Horse Camp Mount Shasta, Horse Camp 2438 Comment
  RSA126257  Pinus attenuata I. L. Wiggins 1955-7-24 13485 Siskiyou Ridge between upper reaches of China Creek and Blind Horse Creek. 1463 Comment
  CAS-BOT-BC78407  Pinus balfouriana W. R. Dudley 1899-8-26 s.n. Siskiyou Eddy Mt. Comment
  SBBG25361  Pinus balfouriana J. M. Tucker, L. Mann, S. L. Holloway 1963-8-18 3769 Siskiyou SW ridge of Black Marble Wilderness Area 2133 Comment
  CAS-BOT-BC78362  Pinus contorta W. R. Dudley 1899-8-1 s.n. Siskiyou At Glazier Comment
  HSC45032  Pinus contorta Maralyn O'Meara 1974-5-25 392 Siskiyou Along road to Duck Lakes trail 1402 Comment
  HSC26021  Pinus contorta var. murrayana R. J. Mastrogiuseppe 1971-10-23 Siskiyou Ridge between Sugar Creek and Duck Lake Creek draianages 2195 Comment
  RSA120899  Pinus jeffreyi Milo S. Baker 1957-6-16 13148 Siskiyou Along highway 8 W of Hazelle. [label data illegible]; Shasta valley. Comment
  CAS-BOT-BC78776  Pinus lambertiana Doris K. Kildale 1929-7-20 8675 Siskiyou Raspberry Lake, near east spur Preston Peak Comment
  UC1409272  Pinus lambertiana Frederick W. Oettinger 1968-9-3 686 Siskiyou near high ridge nw Horse Range Lake; Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  UC813268  Pinus lambertiana A. A. Heller 1915-8-26 12253 Siskiyou at the foot Mt. Eddy (Metcalf's Ranch) 1188 Comment
  CAS-BOT-BC73093  Pinus lambertiana William R. Dudley 1893-6-23 s.n. Siskiyou Near the top of the Castle Crags. Comment
  CAS-BOT-BC419722  Pinus monticola Julie Kierstead Nelson; Keli McElroy 2012-8-10 2012 -076 Siskiyou NW side of Gumboot Lake. 1853 Comment
  HSC69170  Pinus monticola Maralyn A. Renner 1980-8-6 2328 Siskiyou Cracker Meadow 1555 Comment
  UC401400  Pinus monticola Geo. D. Butler 1908-8-5 521 Siskiyou Cold Springs, Woolly Creek, Cold Springs Comment
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Nov 25 2011
  UC618594  Pinus monticola W. Bridge Cooke 1938-9-17 11705 Siskiyou slopes below Horse Camp; Mount Shasta 2133 Comment
  CAS-BOT-BC458145  Pityopus californicus Gilbert Muth 1966-7-29 465 Siskiyou Marble Mts.,: Marble Valley, by waterfall 1828 Comment
  UC1170106  Plagiobothrys hispidus W. Bridge Cooke 1956-7-16 30295 Siskiyou above Hotlum Station n side Mount Shasta; n side Mount Shasta 1524 Comment
  UC164103  Plagiobothrys nothofulvus Geo. D. Butler 1910-5-6 1293 Siskiyou near Yreka Comment
  JEPS68125  Plagiobothrys tenellus George D. Butler 1909-4-18 633 Siskiyou near Yreka Comment
  RSA183677  Plantago lanceolata Gilbert Muth 1965-8-16 226 Siskiyou Marble Valley Guard Station. Marble Mtns. Near trail. Comment
  UCD77918  Platanthera dilatata var. leucostachys Robert E. Preston 2001-7-20 1694 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake. 1755 Comment
  HSC44572  Platanthera dilatata var. leucostachys Laura Witherspoon 1977-7-30 Siskiyou Flint Valley 1341 Comment
  HSC69399  Platanthera sparsiflora Maralyn A. Renner 1980-8-8 2443 Siskiyou Rattlesnake Meadow 1646 Comment
  HSC35287  Platanthera sparsiflora A. Montalvo, J. D. Ackerman 1974-7-2 354 Siskiyou Along road to Middle Fork Sacramento River and Toad Lake. West of Mt. Shasta City Comment
  SEINET3162860  Plectritis G. D. Butler 1910-3-24 1139 Siskiyou Shasta River Hills Comment
  UC164086  Plectritis macrocera Geo. D. Butler 1910-4-15 1176 Siskiyou Yreka Creek Comment
  UCR142785  Plectritis macrocera subsp. macrocera L. C. Wheeler 1935-6-1 3537 Siskiyou Siskiyou Mtns., Yreka Creek [at Lime Gulch confluence] 854 Comment
  CAS-BOT-BC458194  Pleuricospora fimbriolata Wm. Bridge Cooke 1938-8-5 11460 Siskiyou Mount Shasta: Sisson Southern Trail 1828 Comment
  HSC63298  Pleuricospora fimbriolata M. A. Baker 1979-7-31 1094 Siskiyou Head of Tickner Creek on trail to Johnson's Hunting Trail 1400 Comment
  CAS-BOT-BC254784  Poa bolanderi A. A. Heller 1914-8-28 11736 Siskiyou On the E side of Mount Eddy 2438 Comment
  RSA238342  Poa bolanderi Frederick W. Oettinger 1969-9-4 1644 Siskiyou On slope between Lily Pond and Tobacco lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC1265434  Poa bolanderi Frederick W. Oettinger 1969-8-14 1376 Siskiyou English Lake English Peak; Salmon Mts, High Lake Basins, Marble Mt Wilderness Area 1935 Comment
  CAS-BOT-BC254993  Poa bulbosa Morris Halperin 1930-7-11 309 Siskiyou Railroad Station, Montague Comment
  UC450473  Poa bulbosa Morris Halperin 1931-4-28 325 Siskiyou near Yreka (Schulmeyer's (Geo. Gray's) Ranch) Comment
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May 9 2008
  CAS-BOT-BC256010  Poa pratensis Doris K. Kildale 1928-7-4 5513 Siskiyou Summit of divide between Sawyers Bar and Etna Comment
  HSC103040  Poa pratensis subsp. pratensis J. P. Smith 2014-6-7 13898 Siskiyou Along State Route 3 at its junction with the East Fork of the Scott River 994 Comment
  SEINET10893840  Poa pratensis subsp. pratensis Lawrence P. Janeway 1983-7-26 Janeway 592 Siskiyou Preston Peak quad (15') T18N, R6E, SW 1/4 of sec. 20, Siskiyou Mountains; at Poker Flat, a meadow in a fir forest. Dry front edge of the upper part of the meadow. 1524 Comment
  CAS-BOT-BC247523  Poa pringlei Wm. Bridge Cooke 1939-7-26 13755 Siskiyou Mount Shasta. Below Lake Helen on the Summit Trail 3048 Comment
  HSC643  Poa pringlei William J. Ferlatte 1967-7-6 610 Siskiyou Dorleska summit. 2134 Comment
  SEINET10869056  Poa rhizomata George D. Butler 1910-4-21 Butler 1205 Siskiyou Comment
  RSA211228  Poa secunda William J. Ferlatte 1967-8-23 1095 Siskiyou Head of Kidd Creek. 2134 Comment
  CAS-BOT-BC243218  Poa secunda subsp. secunda A. A. Heller 1919-6-25 13266 Siskiyou Compton's prairie, N base of Mount Eddy 1158 Comment
  CAS-BOT-BC243227  Poa secunda subsp. secunda H. A. Thomas; J. H. Thomas 1954-7-24 4512 Siskiyou Salmon-Trinity Mountains, vicinity of Rush Lake and rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  HSC30663  Poa secunda subsp. secunda Frederick W. Oettinger 1969-9-2 1606 Siskiyou Marble Mtn. Wilderness Area, N side of English Peak. 2165 Comment
  SJSU6534  Poa secunda subsp. secunda R. W. Trivelpiece 1973-6-28 160 Siskiyou Big Duck Lake, Scott River drainage c. 7.5 mi due west of Callahan 2042 Comment
  UCD91753  Poa secunda subsp. secunda A. H. Murphy 1956-8-16 56 V Siskiyou Klamath National Forest. 1828 Comment
  UC1112247  Pogogyne zizyphoroides Rimo Bacigalupi with S. Galen Smith 1957-6-26 5940 Siskiyou ca. 2 miles North of Weed along Highway 99 1036 Comment
  POM179738  Polemonium californicum H. P. Chandler 1901-06 1671 Siskiyou Marble Mountain, North Coast Ranges 2439 Comment
  RSA166772  Polemonium californicum H. Dearing, M. Dearing 1939-7-2 3805 Siskiyou Salmon Mt. 1677 Comment
  RSA183689  Polemonium californicum Gilbert Muth 1965-8-8 196 Siskiyou Rim trail, Marble Mt, Marble Mountains 1829 Comment
  RSA365430A  Polemonium carneum M. B. Dunkle 1944-1 9048 Siskiyou Siskiyou National Forest Comment
  UC23987  Polemonium occidentale subsp. occidentale C. B. Bradley 1879-1 Siskiyou Squaw Valley Comment
  CAS-BOT-BC170343  Polygala cornuta var. cornuta Marion Ownbey; Fred G. Meyer 1940-7-3 2164 Siskiyou 7 miles northwest of McCloud Comment
  UC642558  Polygonum aviculare subsp. aviculare W. Bridge Cooke 1937-8-6 9187 Siskiyou Bear Springs Mount Shasta (meadow) Comment
  RSA170306  Polygonum cuspidatum T. C. Fuller 1963-8-26 11152 Siskiyou Dunsmuir Grade, Hwy 99 to Mt. Shasta City, 0.5 miles N of the limits of Dunsmuir, siskiyou. Comment
  UC163657  Polygonum davisiae Geo. D. Butler 1908-8-5 187 Siskiyou West Fork of Woolly Creek Comment
  CAS-BOT-BC95027  Polygonum davisiae R. C. Wenk 2005-7-15 218 Siskiyou Trinity Alps, above S Fork of the Salmon River, along Yellow Rose Mine Trail, N along ridge toward Preacher's Peak 2133 Comment
  CAS-BOT-BC414588  Polygonum douglasii Wm. Bridge Cooke 1938-8-5 11447 Siskiyou Mount Shasta. MacBride Springs Comment
  CAS-BOT-BC414603  Polygonum douglasii Doris K. Kildale 1928-7-4 5527 Siskiyou 1 1/2 miles east of summit of divide between Sawyers Bar & Etna Comment
  UC1191241  Polygonum douglasii subsp. douglasii Herbert L. Mason 1948-7-17 13602 Siskiyou Eastern Grass Lake Comment
  UC850102  Polygonum douglasii subsp. douglasii A. A. Heller 1915-7-18 12121 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  UC1540134  Polygonum newberryi Dean Wm. Taylor and Rexford E. Palmer 1987-8-8 9260 Siskiyou Lyons Peak Medicine Lake volcanic highland region (extreme nw section of county) 2407 Comment
  SDSU9664  Polygonum persicaria D. F. Howe 1962-8-5 3394 Siskiyou 12 miles east of Happy Camp on #96. 518 Comment
  UC1023733  Polygonum polygaloides subsp. kelloggii W. Bridge Cooke 1941-7-18 16063 Siskiyou along Wagon Camp-Bear Springs road Mount Shasta Comment
  HSC30502  Polygonum polygaloides subsp. kelloggii Frederick W. Oettinger 1969-7-11 975 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: NW of falls, Hancock Lake 1890 Comment
  UC1037193  Polygonum shastense Leo Whitney 1934-6-17 1508 Siskiyou Mt. Shasta; n side 3048 Comment
  UC6736  Polygonum shastense W. H. Brewer 1862-9-13 1382 Siskiyou near Camp 99; Mt. Shasta 2438 Comment
  RSA129379  Polypogon monspeliensis H. S. Yates 1936-6-21 5813 Siskiyou 6 miles N of Gazelle. 793 Comment
  RSA237505  Polystichum imbricans Frederick W. Oettinger 1616 a Siskiyou The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area., On a west facing granitic rock slope just below that section of the English Peak - Hancock Lake trail that is due NNE of Ton's Lake. 2119 Comment
  HSC75353  Polystichum kruckebergii J. O. Sawyer, M. Mesler 1980-8-11 4037 Siskiyou Along Pacific Crest Trail just N of Jump Off in the Marble Mtn. Wilderness area Comment
  CAS-BOT-BC72384  Polystichum lemmonii Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  JEPS83823  Polystichum lemmonii Wayne Roderick July 1976 Siskiyou near Lily Pad Lake (vicinity of Cook and Green Pass); Siskiyou Mts. 1828 Comment
  SEINET11714690  Polystichum lemmonii Lemmon 1878-1 s.n. Siskiyou near Mt. Shasta Comment
  LA204821  Polystichum lonchitis Lawrence L. Kiefer; 1963-8-11 805 Siskiyou Kangaroo Lake (NE of Callahan), E side of lake 2133 Comment
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Oct 24 2014
  CAS-BOT-BC76685  Polystichum munitum Robert T. Clausen; Harold Trapido 1940-7-28 4984 Siskiyou Klamath Mts., Klamath River Basin - 1 mile up canyon of Canyon Creek from Scott River, about 12 miles south of Hamburg. 762 Comment
  HSC61124  Polystichum munitum Ruby Van Deventer 1955-8-3 Siskiyou USFS Rd. 17N04, Doe Flat Comment
  CAS-BOT-BC102400  Populus fremontii Frank Callahan 2007-5-1 s.n. Siskiyou Moffett Creek 883 Comment
  UCD77957  Populus trichocarpa Robert E. Preston 2002-6-21 1876 Siskiyou Klamath National Forest, Rainbow Mountain, S slope, N of Trout Creek 1765 Comment
  UC201704  Potamogeton richardsonii Geo. D. Butler 1908-8-7 142 Siskiyou Lake at head of West Fork of Wooley Creek Comment
  JEPS84265  Potentilla breweri L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6339 Siskiyou ca 1/2 mi se Red Butte (ca 7 mi nne of Seiad Valley, sw of Cook and Green Pass); sw of Cook and Green Pass, se Red Butte, nne of Seiad Valley 1730 Comment
  POM34961  Potentilla breweri var. breweri Geo. D. Butler 1910-6-5 1520 Siskiyou Log Lake, Shackleford creek 1220 Comment
  JEPS109787  Potentilla cristae Dean W. Taylor 2002-7-29 18290 Siskiyou cirque as easterly base of summit ridge, South China Mounain 2423 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
  JEPS44166  Potentilla drummondii Harley P. Chandler June, 1901 1564 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges, near Marble Mountain 1828 Comment
  HSC29383  Potentilla drummondii Frederick W. Oettinger 1968-9-7 769 Siskiyou Marble Mountain Wilderness Area, ridge SE of Tobacco Lake Meadow 1890 Comment
  RSA237620  Potentilla drummondii Frederick W. Oettinger 1967-8-13 253 Siskiyou Below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  HSC18937  Potentilla flabellifolia J. O. Sawyer 1969-6-13 1070 Siskiyou W of Little Duck Lake 2043 Comment
  UCD113749  Potentilla flabellifolia Dean William Taylor 1972-7-4 1616 Siskiyou Near Little Duck Lake. 1981 Comment
  RSA237848  Potentilla glandulosa subsp. ashlandica Frederick W. Oettinger 1969-7-13 1002 Siskiyou North of upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  UC860686  Potentilla gracilis A. A. Heller 1915-8-26 12232 Siskiyou n side of Mt. Eddy 1981 Comment
  HSC69007  Potentilla gracilis var. fastigiata Maralyn A. Renner 1980-7-24 2051 Siskiyou Lily Pad Lake 1768 Comment
  UC1128235  Potentilla gracilis var. fastigiata L. Whitney 1934-6-27 8 Siskiyou Tennant Dorris Quad., Antelope Creek 1463 Comment
  UC1409377  Potentilla gracilis var. fastigiata Frederick W. Oettinger 1969-7-31 1118 Siskiyou along trail midway between English Lake and drift fence (High Lake Basins in the vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area, W Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  UC1034646  Potentilla millefolia Milo S. Baker 1955-6-26 13080 Siskiyou Highway 99, 4 mi s Gazelle; s of Gazelle 914 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
  JEPS74495  Primula suffrutescens W. J. Ferlatte 1966-8-5 354 Siskiyou Caribou Mtn.; Trinity Alps, Caribou Mtn. 2468 Comment
  CAS-BOT-BC516385  Prosartes hookeri Wm. Bridge Cooke 1941-6-7 16021 Siskiyou On the east base of Mt. Eddy 1066 Comment
  HSC69092  Prunella vulgaris Maralyn A. Renner 1980-8-4 2225 Siskiyou Flint Valley 1390 Comment
  CAS-BOT-BC158210  Prunus emarginata L. R. Abrams 1922-8-7 9919 Siskiyou Shasta Springs Comment
  CAS-BOT-BC158243  Prunus emarginata Wm. Bridge Cooke 1938-7-22 11318 Siskiyou Sisson Southern Trail Comment
  RSA75644  Prunus emarginata Albert M. Vollmer 1951-6-2 68 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway. Comment
  UC1409368  Prunus emarginata Frederick W. Oettinger 1968-4-10 468 Siskiyou e side of Hancock Lake, High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area, Western Siskiyou County Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area, Hancock L 1889 Comment
  UC454977  Prunus emarginata I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat (Mount Bradley); Mount Bradley Comment
  RSA1113  Prunus emarginata E. R. Johnson 1928-8-31 1194 Siskiyou Lava beds between Lookout and Bartle Comment
  UC164300  Prunus subcordata Geo. D. Butler 1910-4-12 1170 Siskiyou Yreka Creek Comment
  UCSB24428  Prunus subcordata Favero, R. 1968-3-27 Siskiyou 1 mile southeast of Hombrook, on Ager road, Siskiyou Mountains. 701 Comment
  CAS-BOT-BC151243  Prunus virginiana var. demissa Elmer I. Applegate 1935-6-10 9483 Siskiyou Caldwell Butte, Lave Beds National Monument Comment
  JEPS24783  Prunus virginiana var. demissa Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6791 Siskiyou just sw of Mount Shasta Town ((Sisson) and road to Castle Lake, at junction old Hwy 99) 1036 Comment
  RSA15594  Prunus virginiana var. demissa Carl B. Wolf 1927-8-27 1114 Siskiyou On the Klamath River, Happy Camp. Comment
  SEINET7412306  Prunus virginiana var. demissa G. D. Butler 1910-7-24 1795 Siskiyou Yreka Creek Comment
  JEPS33954  Pseudognaphalium stramineum George D. Butler 1908-9-6 316 Siskiyou Butler's ranch near Yreka Comment
  JEPS101304  Pseudognaphalium thermale Dean W. Taylor 1999-8-12 17310 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1371 Comment
  CAS-BOT-BC239818  Pseudoroegneria spicata Elmer I. Applegate 1935-6-10 9461 Siskiyou Indian Well, Lava Beds National Monument Comment
  CHSC86667  Pseudostellaria jamesiana Jenny Marr 1993-7-1 50 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  SBBG30524  Pseudostellaria jamesiana D. Myrick 1968-6-25 2016 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk, Trinity Alps 1524 Comment
  RSA176490  Pteryxia terebinthina var. californica A. A. Heller 1928-6-9 s.n. Siskiyou Located on Spring Hill near Sisson. Comment
  UCR13736  Purshia tridentata N. R. Zabriskie, W. W. Zabriskie 1971-7-23 411 Siskiyou Hwy 89 just east of McCloud, southeast of Mt. Shasta Comment
  SEINET9342725  Purshia tridentata Unknown 2009-5-31 Siskiyou High elevation, semi-arid desert ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  CAS-BOT-BC147903  Purshia tridentata var. tridentata Alice Eastwood 1921-7-25 10804 Siskiyou Bigelows, [Mc Cloud] McCloud R. Comment
  UC1539993  Purshia tridentata var. tridentata Roseberry 1936-5-15 33 Siskiyou 0.5 mi e Caldwell Butte; Lava Beds National Monument 1371 Comment
  CAS-BOT-BC460868  Pyrola aphylla Wm. Bridge Cooke 1938-8-5 11455 Siskiyou Mount Shasta. Along the Sisson Southern Trail. 1676 Comment
  RSA0082807  Pyrola aphylla L. C. Wheeler 1934-6-25 2780 Siskiyou West Fork Cottonwood Creek. Siskiyou Mts. 1280 Comment
  SBBG30606  Pyrola asarifolia D. Myrick 1968-6-28 2054 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk, Trinity Alps 1524 Comment
  UC1409389  Pyrola asarifolia Frederick W. Oettinger 1969-8-14 1364 Siskiyou into to Upper English Lake 1767 Comment
  JEPS66564  Pyrola crypta W. L. Jepson 1940-6-27 20038 Siskiyou East slope of Mt. Shasta 1828 Comment
  HSC61840  Pyrola dentata Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  RSA0080476  Pyrola dentata Frederick W. Oettinger 1969-8-9 1325 Siskiyou Before Hen Creek along main North Fork trail between 5 miles Stockgate and Abbott's Upper Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1098 Comment
  SEINET7257100  Pyrola dentata G. D. Butler 1910-6-17 1574 Siskiyou Humbug Mountain 1219 Comment
  HSC19200  Pyrola picta J. O. Sawyer 1968-9-10 689 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  HSC65567  Pyrola picta Rich White 1977-7-21 131 Siskiyou Slope below outlet of Raspberry Lake 1512 Comment
  SBBG25824  Pyrola picta D. Myrick 1966-8-10 1525 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  CAS-BOT-BC466128  Pyrola picta Alice Eastwood 1921-7-26 10859 Siskiyou Soda Creek Comment
  CAS-BOT-BC466149  Pyrola picta H. A. Thomas; J. H. Thomas 1954-7-21 4419 Siskiyou Salmon-Trinity Mts. About 6 mi SE of Cecilville. West side of Rush Creek. 1219 Comment
  UC1034576  Pyrola picta Douglas Barbe 1955-7-26 269 Siskiyou Klamath Mountains, on nw slope of Scott Mountain Scott Mountain; Klamath Mountains, Scott Mountain 1828 Comment
  UC138183  Pyrrocoma carthamoides var. cusickii J. W. Congdon 1900-8-18 Siskiyou Castle Lake Trail, Shasta Region Comment
  UCD40475  Quercus chrysolepis Rodney Gale Myatt 1971-9-22 1220 -5 Siskiyou Next to Klamath River, past Horse Creek. 500 Comment
  HSC8239  Quercus garryana C. B. Wolf 1927-8-27 1109 Siskiyou Klamath River at Happy Camp. Comment
  JEPS37853  Quercus garryana Geo. D. Butler 1908-7-4 492 Siskiyou near mouth of Shasta River Comment
  UC1311637  Quercus garryana Robert J. Rodin 1965-8-23 7159 Siskiyou just s Oregon border (Highway 99, in California) Comment
  CAS-BOT-BC62757  Quercus garryana var. breweri John Thomas Howell 1937-7-23 13353 Siskiyou Soth Fork of Salmon River near Big Flat 1524 Comment
  RSA237386  Quercus garryana var. breweri Frederick W. Oettinger 1968-8-18 574 Siskiyou Due NNW of Tobacco Lake and west of the west cove of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  OBI36119  Quercus garryana var. garryana David J. Keil 1983-7-3 17379 Siskiyou 11 mi NE of jctn with SR 3 along Gazelle-Callahan rd Comment
  CAS-BOT-BC104349  Quercus sadleriana John Thomas Howell 1939-8-2 14881 Siskiyou Sprit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC104363  Quercus sadleriana Louis C. Wheeler 1934-8-6 3048 Siskiyou Klamath National Forest, Jaynes canyon 1859 Comment
  CAS-BOT-BC104370  Quercus sadleriana G. D. Hanna; Salem Rice 1952-10-17 s.n. Siskiyou Sanger Lake Comment
  HSC19221  Quercus sadleriana J. O. Sawyer 1968-9-13 706 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  JEPS37855  Quercus sadleriana Geo. D. Butler 1908-8-4 234 Siskiyou Wooly Creek 1676 Comment
  SFV17814  Quercus sadleriana J. M. Tucker 1972-8-8 4247 B Siskiyou Marble Mountains Marble Mountains. Trail from Whiskey Camp to Elk Peak, about 2.5 miles west-southwest of Marble Valley Guard Station. 1829 Comment
  UCD47257  Quercus sadleriana John M. Tucker 1972-8-8 4247 B Siskiyou (Q. garryana Hook. var. breweri (Engelm.) Jepson). California, Siskiyou Co.; Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 mi. west-southwest of Marble Valley Guard Station (extreme southeast corner of Section 20, R.11W., T.42N. 1828 Comment
  CAS-BOT-BC104626  Quercus vacciniifolia Alice Eastwood 1921-6-24 10759 Siskiyou Castle Lake Comment
  JEPS94789  Quercus vacciniifolia Vernon H. Oswald and Lowell Ahart 1998-8-3 9446 Siskiyou Rock Fence Lake Rd. (USFS 41N18) 0.1 mi ne of intersection with Kangaroo Lake Rd. (USFS 41N08) (4.9 mi se of Gazelle-Callahan Rd.) 1676 Comment
  RSA237786  Quercus vacciniifolia Frederick W. Oettinger 1968-8-13 507 Siskiyou Northeast side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UC1040687  Quercus vacciniifolia Beecher Crampton 1956-8-21 3847 Siskiyou just above junction of the North Fork with the South and Middle Fork; Canyon of the Sacramento River 1066 Comment
  POM147915  Raillardella pringlei J. B. Feudge 1927-7-24 1818 Siskiyou Along trail, Mt Shasta City to Mt. Eddy. 1677 Comment
  SBBG2234  Ranunculus alismifolius H. and M. Dearing 1939-6-5 3554 Siskiyou E of McCloud 1066 Comment
  SEINET3159741  Ranunculus alismifolius G. D. Butler 1910-5-10 1322 Siskiyou Goosenest; Bulls meadows 1676 Comment
  CAS-BOT-BC380413  Ranunculus alismifolius var. hartwegii Alice Eastwood 1921-7-28 10927 Siskiyou Medicine Lake Comment
  JEPS60720  Ranunculus eschscholtzii Geo. D. Butler 349 Siskiyou summit above Cold Spring; Wooly Creek 1828 Comment
  JEPS74462  Ranunculus eschscholtzii W. J. Ferlatte 1967-7-26 758 Siskiyou Sawtooth Ridge Trinity Alps, Caribou Basin 2042 Comment
  JEPS82477  Ranunculus eschscholtzii Gilbert Muth 1966-7-8 355 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  UC609341  Ranunculus eschscholtzii var. suksdorfii Eleanor Burks Hart 1938-8-24 909 Siskiyou Upper Wright Lake 2225 Comment
  UC375274  Ranunculus flammula Geo. D. Butler 1908-8-3 350 Siskiyou Shackleford Creek Long Lake Comment
  RSA534580  Ranunculus flammula var. ovalis Peter Rubtzoff 1955-7-10 1947 Siskiyou Duncans Mills Marsh Comment
  UCD96944  Ranunculus occidentalis J. P. Smith; Steve Selva 1970-6-16 4023 Siskiyou 4 miles from Calif. 3 on Road 8 to Sugar Creek. 1158 Comment
  HSC597  Ranunculus orthorhynchus var. orthorhynchus William J. Ferlatte 1966-6-22 106 Siskiyou 3 mi. S of Big Flat 1585 Comment
  HSC98181  Ranunculus uncinatus William J. Ferlatte 1967-8-23 1109 Siskiyou Head of Kidd Creek 2134 Comment
  HSC101869  Rhododendron columbianum R. D. Whittlesey 2013-8-3 13 Siskiyou 3.2 mi. west on Castle Creek Rd. from Castella, and 3.0 mi. up Sulfur Creek Climber's Trail. 1585 Comment
  HSC4878  Rhododendron columbianum J. O. Sawyer 1968-6-25 289 Siskiyou NE of N Horse Range Lake 2012 Comment
  JEPS58760  Rhododendron occidentale W. L. Jepson 1914-8-14 6165 Siskiyou Dunsmuir 670 Comment
  CAS-BOT-BC200404  Rhododendron occidentale var. paludosum C. F. Rose 1930-5-1 s.n. Siskiyou Near Redding Comment
  UC160397  Ribes I. J. Condit 1911-7-22 Siskiyou Shasta trail 1676 Comment
  JEPS49301  Ribes aureum Annie M. Alexander and Louise Kellogg 1911-6-4 108 Siskiyou Mayten Comment
  HSC26000  Ribes cereum D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19535 Siskiyou Snowman's Hill Summit 3 mi. W of McCloud on Hwy. 89 Comment
  SFV18029  Ribes cereum var. cereum J. A. Matos, D. C. Rudolph 1999-8-7 s. n. Siskiyou 2 miles south of Lava Beds National Monument on Lava Beds National Monument Road. 1738 Comment
  CAS-BOT-BC168870  Ribes inerme var. klamathense E. Bethel 1923-6-20 1053 Siskiyou Weed Comment
  RSA0021098  Ribes inerme var. klamathense Louis C. Wheeler 1935-4-13 3414 Siskiyou By creek. Seiad, Klamath River. 427 Comment
  SEINET5339657  Ribes inerme var. klamathense G. Butler 1910-4-9 1160 Siskiyou Ditch Bank Yrelsa Comment
  JEPS80601  Ribes lacustre Gilbert Muth 1966-7-29 458 Siskiyou Marble Valley Marble Mt. Wilderness Area 1795 Comment
  JEPS84054  Ribes lacustre L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6352 Siskiyou ca. 1/2 mi se Red Butte (ca. 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1730 Comment
  CAS-BOT-BC173388  Ribes lobbii John Thomas Howell 1939-8-4 15057 Siskiyou Near Spirit Lake, Marble Mts. 1828 Comment
  HSC20305  Ribes lobbii Hilda W. Grinnell 1935-6-8 Siskiyou Deer Camp Ranger Station, head of Daggett Creek, Siskiyou Mtns. 1799 Comment
  UC1408857  Ribes lobbii Frederick W. Oettinger 1969-8-6 1250 Siskiyou outlet Pine Lake; Salmon Mountains, Marble Mountain Wilderness 1828 Comment
  UC154065  Ribes lobbii Harley P. Chandler June, 1901 1557 Siskiyou near Marble Mountain; North Coast Ranges 1828 Comment
  UC375354  Ribes lobbii Geo. D. Butler 1908-7-19 267 Siskiyou Humbug Creek Comment
  CAS-BOT-BC219270  Ribes nevadense Alice Eastwood 1921-7-24 10777 Siskiyou Castle Lake Comment
  UC618600  Ribes nevadense W. Bridge Cooke 1938-6-17 11006 Siskiyou Sisson Southern Trail Mount Shasta Comment
  RSA0023151  Ribes nevadense A. A. Heller 1920-8-12 13513 Siskiyou 3.5 miles from Horse Camp. Comment
  RSA0024604  Ribes roezlii M. B. Dunkle 1945-7-8 9211 Siskiyou Big Rock Basin, Canyon Creek. Klamath National Forest, Marble Mountains. Comment
  CAS-BOT-BC199982  Ribes roezlii var. cruentum John Thomas Howell 1937-7-26 13546 Siskiyou Caribou Gulch Comment
  CAS-BOT-BC199989  Ribes roezlii var. cruentum Geo. D. Butler 1910-4-21 1211 Siskiyou Oro Fino Comment
  HSC26225  Ribes roezlii var. cruentum J. P. Smith, J. O. Sawyer 1972-5-27 5358 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  UC455589  Ribes roezlii var. cruentum I. J. Condit 1911-7-22 Siskiyou trail to Horse Camp; Mt. Shasta 1524 Comment
  CAS-BOT-BC186287  Ribes roezlii var. roezlii W. R. Dudley 1899-8-22 s.n. Siskiyou Above Callahans Comment
  SD88347  Ribes sanguineum Darley F. Howe 1972-7-6 Siskiyou 1.3 miles south of Oregon state line on road to Happy Camp. 1646 Comment
  UC570965  Ribes sanguineum Dorothy Tebbe 1929-6-7 128 Siskiyou Mount Eddy Comment
  RSA0019540  Ribes sanguineum Frederick W. Oettinger, Robert F. Thorne 1969-8-7 1280 Siskiyou Southeast of English Lake. The high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC144512  Ribes sanguineum var. sanguineum Doris K. Kildale 1928-8-18 6440 Siskiyou head of north fork of Salmon River at Finley Upper Camp Comment
  CAS-BOT-BC173909  Ribes velutinum Alice Eastwood; John Thomas Howell 1934-4-20 1758 Siskiyou Near Yreka along Shasta River Comment
  UC375357  Ribes velutinum Geo. D. Butler 1909-3-28 576 Siskiyou near Yreka Comment
  CAS-BOT-BC168808  Ribes viscosissimum John Thomas Howell 1937-7-25 13462 Siskiyou Caribou Basin, Salmon-Trinity Alps 2133 Comment
  HSC42238  Ribes viscosissimum R. J. Mastrogiuseppe, J. D. Mastrogiuseppe 1974-9-2 160 Siskiyou Near Kidd Creek 1829 Comment
  HSC44981  Ribes viscosissimum J. O. Sawyer 1978-6-21 3284 Siskiyou Marble Mtn. Wilderness Area, along trail N of Clear Lake 1951 Comment
  HSC49421  Ribes viscosissimum J. O. Sawyer 1968-9-8 760 Siskiyou Below Young's Meadow on Clear Creek 1402 Comment
  RSA472513  Rigiopappus leptocladus L. C. Wheeler 1934-6-2 2617 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mountains. 671 Comment
  JEPS109873  Rorippa columbiae Dean W. Taylor 2005-7-13 19395 Siskiyou Dry Lake (ca 9 air miles N of Bartle on Highway 89); growing on USFS Road D that crosses the flat 0.2 road miles E of the Volcanic Scenic Byway 1402 Comment
  CHSC91251  Rorippa nasturtium-aquaticum Lowell Ahart; John Dittes 2005-6-10 12079 Siskiyou On the north side of the Shasta River, about 60 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
  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
  CAS-BOT-BC146742  Rosa gymnocarpa John Thomas Howell 1939-8-4 15036 Siskiyou Between Elk Mt. and Marble Rim, Marble Mts. Comment
  CAS-BOT-BC146749  Rosa gymnocarpa Alice Eastwood 1921-7-31 11018 Siskiyou Shasta Springs Comment
  HSC23474  Rosa gymnocarpa J. O. Sawyer 1968-6-18 182 Siskiyou Above S Russian Creek on W side. 1463 Comment
  JEPS47278  Rosa gymnocarpa Ruby Van Deventer 1938-7-31 271 Siskiyou Twin Valley 1219 Comment
  UC637137  Rosa gymnocarpa Edward Lee 1934-8-13 1090 Siskiyou Happy Camp to Waldo (Oregon) road Klamath National Forest, watershed of West Branch of Indian 1463 Comment
  SJSU6062  Rosa gymnocarpa R. W. Trivelpiece 1971-6-18 13 Siskiyou Little S Fork Salmon R c. 3 mi S of Cecilville, Salmon R Mts 609 Comment
  CAS-BOT-BC147065  Rosa pisocarpa Joseph P. Tracy 1949-9-16 18565 Siskiyou Scott Mt. near summit on road from Scott Valley to Trinity Center 1615 Comment
  CAS-BOT-BC6001  Rosa pisocarpa E. B. Copeland 1903-9-8 3875 Siskiyou Mt. Eddy 1463 Comment
  JEPS84263  Rosa pisocarpa L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6360 Siskiyou ca 1/2 mi e Red Butte summit (ca 7 mi nne of Seiad Valley w of Cook and Green pass) 1900 Comment
  UC768887  Rosa pisocarpa Doris K. Kildale 1929-7-20 8715 Siskiyou Raspberry Lake upper Indian Creek 1828 Comment
  HSC27228  Rosa rubiginosa J. P. Smith, J. O. Sawyer 1971-9-18 4803 Siskiyou 0.2 mi. W of the jct. of Hwy. 3 and Rd. 8 N of Callahan. Comment
  HSC43137  Rosa rubiginosa Ken Stillman 1976-8-24 414 Siskiyou E and N slopes of Williams Point 366 Comment
  CAS-BOT-BC149745  Rosa woodsii subsp. ultramontana Elmer I. Applegate 1923-8-21 3919 Siskiyou Willow Creek, south of Lower Klamath Marsh Comment
  UCD113787  Rubus lasiococcus J. M. Tucker; D. V. Hemphill 1974-7-27 4300 Siskiyou camp at Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  UCR95195  Rubus lasiococcus L. C. Wheeler 1963-8-29 8307 Siskiyou Siskiyou Mountains: W fork Clear Creek 1433 Comment
  CAS-BOT-BC147984  Rubus leucodermis Doris K. Kildale 1928-7-1 5328 Siskiyou Forks of Salmon Comment
  RSA211483  Rubus parviflorus William J. Ferlatte 1966-8-18 421 Siskiyou Along the S fork of the Salmon River between the campground and Carter's 1524 Comment
  RSA183647  Rubus parviflorus Gilbert Muth 1965-8-4 165 Siskiyou Marble Mtns. Comment
  CAS-BOT-BC157168  Rubus ursinus D. E. Breedlove 1962-6-11 3351 Siskiyou On bank of Canyon Creek, about 20 miles west of Fort Jones; Marble Mountains 914 Comment
  HSC68977  Rubus ursinus Maralyn A. Renner 1980-7-24 2114 Siskiyou Pacific Crest Trail, 0.25 mi. SW of Cook and Green Pass. 1494 Comment
  JEPS11910  Rudbeckia klamathensis Rimo Bacigalupi with C. L. Custer and G. T. Robbins 1954-8-12 4789 Siskiyou 4 mi below summit of road and Del Norte - Siskiyou Co. line (along Happy Camp-Takilma road, upper reaches of Indian Creek Canyon, nw corner Siskiyou County); Indian Creek Canyon 1005 Comment
  RSA92514  Rudbeckia occidentalis L. C. Wheeler 1934-8-2 3024 Siskiyou Jaynes Canyon, Siskiyou Mountains. 1829 Comment
  HSC17612  Rumex triangulivalvis R. C. Wunner 1965-6-22 266 Siskiyou Lava Beds NM, 1 mi. NW of Stronghold 1220 Comment
  POM107341  Salix boothii Geo. D. Butler 1908-8-7 152 Siskiyou Lake at head of W fork of Wooley Creek. 1829 Comment
  CAS-BOT-BC103464  Salix eastwoodiae Milo S. Baker 1893-8-8 s.n. Siskiyou Medicine Lake 1981 Comment
  HSC67667  Salix eastwoodiae John Palmer 1980-7-24 587 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  RSA215632  Salix eastwoodiae Gilbert Muth 1969-8-11 1356 Siskiyou Boulder Peak. 2378 Comment
  UC1409266  Salix eastwoodiae Frederick W. Oettinger 1968-9-3 689 Siskiyou near Horse's Hole Horse Range Lake basin; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1828 Comment
  UC922325  Salix eastwoodiae Annie M. Alexander and Louise Kellogg 1949-7-21 5828 Siskiyou Paradise Lake; Marble Mts. 1920 Comment
  RSA15588  Salix exigua Carl B. Wolf 1927-8-27 1133 Siskiyou On the Klamath River. 7 miles below Happy Camp. Comment
  CAS-BOT-BC107790  Salix hindsiana W. R. Dudley 1905-8-3 s.n. Siskiyou By upper Sacramento near Sissons below wood and Sheldon's Mill Comment
  HSC69200  Salix jepsonii Maralyn A. Renner 1980-7-24 2079 Siskiyou Lily Pad Lake 1768 Comment
  JEPS38487  Salix laevigata Geo. D. Butler 1908-7-7 151 Siskiyou Butler Ranch near Yreka Comment
  POM362652  Salix laevigata E. E. Stanford 1930-6-16 1604 Siskiyou Near Hornbrook. Comment
  UC1196581  Salix lasiandra subsp. lasiandra Joseph P. Tracy 1935-8-1 14407 Siskiyou on ridge between Salmon <River> and New River (at extreme head of W. Fork Knownothing Creek); W. Fork Knownothing Creek 1889 Comment
  CAS-BOT-BC107075  Salix lasiolepis Mrs. H. P. Bracelin 1936-9-3 854 Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  CAS-BOT-BC107083  Salix lasiolepis Mrs. H. P. Bracelin 1936-9-3 852 Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  UC481721  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
  UC576382  Salix lasiolepis Mrs. H. P. Bracelin 1936-4-15 831 Siskiyou above Metcalf Ranch (e side of mt., 8-9 mi nw of Mt. Shasta City); Mt. Eddy, Wagon Creek 1203 Comment
  UC576394  Salix lasiolepis Mrs. H. P. Bracelin 1936-4-15 833 Siskiyou 8-9 mi. n.w.of Mt. Shasta City (Wagon Creek above Metcalf ranch house); e. side Mt. Eddy 1203 Comment
  CAS-BOT-BC124896  Salix lemmonii Mrs. H. P. Bracelin 1931-6-21 467 Siskiyou North side of Mount Eddy, about 21 km. northwest of Shasta City; 180 m. below Dobkin's Lake 1770 Comment
  CHSC9564  Salix lemmonii E. L. Smith 1971-4-8 938 Siskiyou At Mt. Shasta City. 1097 Comment
  SBBG57825  Salix lucida subsp. lasiandra Mrs. H. P. Bracelin 1931-6-19 423 Siskiyou NE side of Mt Eddy, ca. 16 km NW of Shasta City, above Metcalf ranch house 1350 Comment
  CAS-BOT-BC125685  Salix melanopsis H. A. Thomas; J. H. Thomas 1954-7-23 4456 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Along north bank of S. Fork of Salmon River just west of Blind Horse Creek 883 Comment
  CAS-BOT-BC129034  Salix scouleriana Geo. B. Grant 1902-9-1 5168 Siskiyou Sisson 1219 Comment
  CAS-BOT-BC129045  Salix scouleriana W. R. Dudley 1899-8-8 s.n. Siskiyou Near Big Spring above Sisson Comment
  HSC99834  Salix scouleriana G. L. Clifton 1979-7-1 6189 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  UC375234  Salix scouleriana Geo. D. Butler 1909-9-20 1104 Siskiyou along creek near Yreka 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
  UCR142841  Salix scouleriana Mrs. H. P. Bracelin 1931-6-21 472 Siskiyou North base of Mount Eddy, about 13 km. northwest of Shasta City, about 1.3 km east of Burney Mill 1110 Comment
  HSC28675  Salix sitchensis Frederick W. Oettinger 1968-9-4 695 Siskiyou Marble Mtn. Wilderness Area, W shoreline, Abbott's Lake 1723 Comment
  UC1034057  Salsola tragus W. Bridge Cooke 1941-9-5 16257 Siskiyou along the Memorial Hwy. Mt. Shasta Comment
  CAS-BOT-BC175653  Salsola tragus L. E. Smith 1913-8-20 541 Siskiyou Montague Comment
  RSA17697  Salvia dorrii subsp. dorrii Elmer I. Applegate 1935-6-7 9408 Siskiyou Indian Well, Lava Beds National Monument Comment
  JEPS62712  Salvia dorrii var. incana Geo. D. Butler 1908-7-16 177 Siskiyou near Anderson Ferry, Klamath River; Klamath River Comment
  CDA5769  Salvia virgata T. C. Fuller 1964-6-24 12244 Siskiyou Marlow property, Greenhorn Valley, ca 2 miles west of Yreka. 0 Comment
  UC642562  Sambucus mexicana W. Bridge Cooke 1939-6-30 13566 Siskiyou near outlet of MacBride Springs; Mount Shasta Comment
  CAS-BOT-BC238881  Sambucus nigra subsp. caerulea John Thomas Howell 1934-7-4 12409 Siskiyou Unspecified Comment
  CAS-BOT-BC238893  Sambucus nigra subsp. caerulea Alice Eastwood 1917-9-2 6662 Siskiyou Shasta Springs Comment
  UC169066  Sambucus racemosa var. microbotrys Harley P. Chandler 1901-6-25 1610 Siskiyou Upper Cotter Valley [Cuddihy Valley] (ridges and meadows near Marble Mountain); North Coast Ranges 2133 Comment
  UC114600  Sanguisorba annua Brandegee July 1887 Siskiyou Hornbrook Comment
  UCR66580  Sanguisorba annua L. C. Wheeler 1934-6-22 2758 Siskiyou Siskiyou Mtns., Cottonwood Creek 915 Comment
  SEINET13945133 Image available Sanicula bipinnatifida Lincoln Constance, R. H. Shan 1946-1 3060 Siskiyou East bank of Sacramento River at Dunsmuir, alt. 2300 ft 701 Comment
  POM77781  Sanicula graveolens Geo. D. Butler 1910-7-13 1778 Siskiyou [Unspecified] 1220 Comment
  SEINET2140098  Santalaceae R. L. Mathiasen 2007-1 2007 -39 Siskiyou 6.4 km W. of McCloud on St. Rte. 89 at turn to Mt. Shasta Ski Park. 1340 Comment
  SEINET2140099  Santalaceae R. L. Mathiasen 2007-1 2007 -36 Siskiyou At jct. of Greyback Rd. and rd. to Kelly Lake. 1345 Comment
  CHSC81485  Sarcobatus vermiculatus Ann Willyard 2000-6-21 417 Siskiyou On private ranch ca. 3 air mi n Lake Shastina, ca. 3 air mi e Interstate 5; ca. 1 air mi w Hole-in-the-Ground-Springs. UTM: 10 547700 E 4602900 N. 792 Comment
  RSA215597  Saxifraga aprica Gilbert Muth 1969-8-10 1323 Siskiyou Ridge W of Boulder Peak. 2287 Comment
  POM92222  Saxifraga californica Geo. D. Butler 1909-4-25 583 Siskiyou Quartz Valley. Comment
  JEPS6899  Saxifraga mertensiana W. Brookfield 1953-7-27 232 a Siskiyou near Paradise Lake (Marble Mountain Wilderness Area); Marble Mountain Wilderness Area 1981 Comment
  RSA256599  Saxifraga nidifica J. P. Smith 1974-5-25 7475 Siskiyou Along road 8, 4.7 mi. west of its junction with State Route 3. 1159 Comment
  CAS-BOT-BC445870  Saxifragopsis fragarioides J. Bernard Brinton 1882-9-5 s.n. Siskiyou Cliffs overhanging Castle Lake Comment
  RSA211115  Saxifragopsis fragarioides William J. Ferlatte 1967-8-6 816 Siskiyou Head of Canyon Creek. Trinity Alps. 2134 Comment
  RSA238315  Saxifragopsis fragarioides Frederick W. Oettinger 1968-8-5 403 Siskiyou Mount Hemlock Forest, Shasta Ridge, between Diamond Lake and English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UCD86387  Schedonnardus paniculatus D. H. Shaw 1980-8-5 s.n. Siskiyou Montague, Ager road, Don Shaw property. Comment
  RSA105480  Schoenoplectus acutus var. occidentalis G. D. Barbe 1955-6-29 27 Siskiyou 1 mile east of Callahan 976 Comment
  UC1112259  Scirpus congdonii Rimo C. Bacigalupi with Galen Smith 1957-6-26 5954 Siskiyou Gumboot Lake ca 6 mi due s Mt. Eddy (head of South Fork Sacramento River, Gumboot Lake); Gumboot Lake, head of South Fork Sacramento River 1859 Comment
  SEINET11754611  Scirpus congdonii J. P. Tracy 1950-1 19203 Siskiyou Flint Valley, ca 5 mi SE of Elk Valley 1433 Comment
  SEINET7592335 Image available Scirpus congdonii Frederick W. Oettinger 1968-1 357 Siskiyou Common on E side of Diamond Lake near outlet. High lake basins in the vicinity of English Peak Marble Mountain Wilderness area. 2073 Comment
  JEPS85082  Scirpus microcarpus W. B. and V. G. Cooke with Ted Graves 1988-8-29 64235 Siskiyou Bear Springs Mt. Shasta, Shasta-Trinity N.F., Bear Springs (FS-31, Mt. Shasta, Shasta-Trinity N.F.) 1524 Comment
  CAS-BOT-BC111096  Scirpus microcarpus W. B. Cooke; V. G. Cooke 1977-9-22 54824 Siskiyou Along small stream near Deter Camp, Mt. Shasta. 1676 Comment
  HSC68114  Scleranthus annuus J. P. Smith 1973-5-5 6525 Siskiyou Scott Bar along the Scott River Comment
  CHSC106096  Sclerochloa dura Lowell Ahart; John Dittes 2010-7-30 16943 Siskiyou In the road tracks to the west edge of the Shasta River, about 30 yards south of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  JEPS62917  Scutellaria antirrhinoides W. L. Jepson July, 1894 14929 Siskiyou Sisson Comment
  JEPS74476  Scutellaria antirrhinoides W. J. Ferlatte 1966-8-3 266 Siskiyou along the South Fork Salmon River between the campground and Carter's South Fork Salmon River; Trinity Alps, South Fork Salmon River 1524 Comment
  UC164006  Scutellaria antirrhinoides Geo. D. Butler 1910-5-30 1430 Siskiyou Humbug Creek Comment
  RSA238531  Scutellaria antirrhinoides Frederick W. Oettinger 1969-8-1 1128 Siskiyou Above wiregrass meadow near English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  UC618653  Scutellaria nana W. Bridge Cooke 1938-8-23 11569 Siskiyou n slope of Shastina; Mount Shasta, Shastina 2438 Comment
  JEPS50723  Sedum divergens Al Hobart 1967-8-8 Siskiyou just s Youngs Valley (on steep sides of El Capitan, Siskiyou Mountains, extreme western Siskiyou County); Siskiyou Mountains, El Capitan, s of Youngs Valley 1828 Comment
  JEPS57176  Sedum lanceolatum L. R. Heckard 1967-8-13 1698 Siskiyou summit region Mt. Eddy; summit region Mt. Eddy 2743 Comment
  CAS-BOT-BC59188  Sedum lanceolatum Louis C. Wheeler 1934-8-9 3075 Siskiyou Janyes Canyon 1920 Comment
  HSC90586  Sedum lanceolatum var. lanceolatum Jennifer Whipple 1977-8-5 2186 Siskiyou Slopes near Little Crater Lake 2195 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
  JEPS48011  Sedum obtusatum Geo. D. Butler 1908-6-27 140 Siskiyou Forest House Mountain 914 Comment
  JEPS48029  Sedum obtusatum W. L. Jepson 1907-7-9 2867 Siskiyou Klamath Range near Putnam Peak (Kelsey Trail); Klamath Range near Putnam Peak Comment
  CHSC72211  Sedum obtusatum subsp. obtusatum Vernon H. Oswald; Lowell Ahart 1998-8-3 9429 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. West of Kangaroo Lake. 1981 Comment
  CHSC96024  Sedum obtusatum subsp. obtusatum L. P. Janeway 2006-7-4 8798 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  HSC19526  Sedum obtusatum subsp. retusum J. O. Sawyer 1968-7-10 480 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  CAS-BOT-BC64658  Sedum oregonense Edward Lee 1934-8-14 1105 Siskiyou Little Grayback, Siskiyou-Del Norte County line. 1868 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
  RSA0074725  Sedum spathulifolium C. B. Wolf 1927-8-26 1063 Siskiyou Klamath River; 8 miles above Hamburg. Comment
  UCD135524  Senecio aronicoides James Payne Smith Jr. 1976-5-21 8769 Siskiyou Klamath National Forest, Forest Road 40N08, 6.9 miles from its junction with State Route 3. 1524 Comment
  CAS-BOT-BC363742  Senecio hydrophilus T. C. Fuller 1958-9-12 s.n. Siskiyou 5 mi. s. of Yreka 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
  SEINET10809464 Image available Senecio integerrimus var. major Harley P. Chandler Chandler 1606 Siskiyou Ridges and meadows near Marble mountain. 1981 Comment
  CAS-BOT-BC364432  Senecio triangularis Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  JEPS82730  Senecio triangularis Wayne Roderick 1983-7-10 Siskiyou near Del Norte County line; Doe Flat 1143 Comment
  UC129421  Senecio triangularis Harley P. Chandler June 1901 1717 Siskiyou ridges and meadows near Marble Mountain (Shackleford Canyon); North Coast Ranges, Shackleford Canyon 1524 Comment
  UC91681  Senecio triangularis Harley P. Chandler June 1901 1576 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges, Marble Mountain 1828 Comment
  CAS-BOT-BC364420  Senecio triangularis D. H. Norris 1968-7-29 2214 Siskiyou Along trail from Big Flat to Yellow Rose Mine. 1828 Comment
  UC1557912  Sericocarpus oregonensis J. Semple, S. Heard 1986-8-16 8479 Siskiyou nw of Salmon Forks (along Salmon River, For. Hwy. 93); Salmon River Comment
  HSC58997  Sidalcea malviflora Gilbert Muth 1975-7-30 4013 Siskiyou Near Lily Pad Lake, close to the town of Seiad Valley 1585 Comment
  RSA87992  Sidalcea malviflora subsp. elegans C. L. Hitchcock 1952-6-30 19640 Siskiyou About 30 miles S. W. of Happy Camp on road to Orleans. Roadside cut. Comment
  HSC62278  Sidalcea malviflora subsp. nana Ruby Van Deventer 1957-7-8 Siskiyou Youngs Valley Comment
  HSC34305  Sidalcea oregana J. P. Smith, J. O. Sawyer 1973-8-14 7301 Siskiyou On trail from Campbell Lake to Cliff Lake 1829 Comment
  UC163716  Sidalcea oregana Geo. D. Butler 1908-8-3 61 Siskiyou Log Lake , Log Lake (Shackleford Creek) Comment
  UC108898  Sidalcea oregana subsp. spicata T. S. Brandegee July 1887 Siskiyou Sissons Comment
  UC871511  Sidalcea oregana subsp. spicata A. A. Heller 1916-7-20 12474 Siskiyou near Wagon Creek Falls (e side Mt. Eddy); , near Wagon Creek Falls 1524 Comment
  HSC34117  Sidalcea oregana subsp. spicata J. O. Sawyer 1969-8-18 1996 Siskiyou Slopes of S Sugar Lake Creek 1829 Comment
  SEINET185062  Silene C. L. Hitchcock, J. S. Martin 1939-7-9 5320 Siskiyou Between King's Castle and Black Mountain west side of ridge. 1829 Comment
  UC637021  Silene campanulata subsp. glandulosa Edward Lee 1934-8-14 1094 Siskiyou near summit Little Grayback (Siskiyou-Del Norte County line); near summit of Little Grayback 1828 Comment
  UC852816  Silene campanulata subsp. glandulosa John Thomas Howell 1939-8-3 14971 Siskiyou Spirit Lake Marble Mts., Spirit Lake 1828 Comment
  HSC64981  Silene campanulata subsp. glandulosa D. L. Goforth 1979-7-14 165 Siskiyou Trinity Alps Wilderness Area, Yellow Rose Mine Trail 1951 Comment
  POM267218  Silene campanulata subsp. greenei Marion Ownbey, Fred G. Meyer 1940-7-6 2199 Siskiyou Summit of Cayenne Ridge, Marble Mountain Comment
  CAS-BOT-BC136284  Silene douglasii W. R. Dudley 1901-8-23 s.n. Siskiyou Slope of Foxtail Ridge Salmon Mts. Comment
  RSA211453  Silene douglasii William J. Ferlatte 1967-8-21 1069 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake. 2287 Comment
  CAS-BOT-BC388953  Silene grayi Alice Eastwood 1912-9-1 2066 Siskiyou Mount Shasta Comment
  CHSC34499  Silene grayi J. D. Jokerst 1981-9-8 1465 Siskiyou Comment
  HSC18949  Silene grayi G. L. Clifton, Griswold 1979-6-28 6103 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  UC465652  Silene grayi Harley P. Chandler June, 1901 1606 A Siskiyou near Marble Mountain (ridges and meadows); North Coast Ranges, near Marble Mountain 1981 Comment
  UC60937  Silene grayi Geo. B. Grant September 1902 5094 Siskiyou Horse Camp , Horse Camp (Mount Shasta) 2438 Comment
  RSA166259  Silene grayi H. Dearing, M. Dearing 1939-7-1 3787 Siskiyou Salmon Mts. 1829 Comment
  CAS-BOT-BC389423  Silene lemmonii A. A. Heller 1905-6-15 8036 Siskiyou Near Sisson Comment
  CHSC216  Silene vulgaris J. Wakeman 1963-6-10 Siskiyou Along road between Ft. Jones and Etna. Comment
  CDA17128  Sisymbrium altissimum G. F. Hrusa 2001-6-5 15842 Siskiyou Shasta Valley; Northbound exit from I-5 at Louie Rd. 914 Comment
  CHSC93541  Sisymbrium altissimum Lowell Ahart; John Dittes 2005-6-9 12020 Siskiyou Open pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  UC1096832  Sisymbrium altissimum Milo S. Baker 1957-6-15 13110 Siskiyou just s of Weed; North Coast Ranges Comment
  SEINET10607333  Sitanion longifolium Edwin B. Copel 1903-7-3 Copeland 3536 Siskiyou Klamathon. Comment
  SEINET6630420  Smilax californica G. D. Butler 1910-1 1466 Siskiyou Quartz Valley Comment
  HSC43149  Solanum physalifolium var. nitidibaccatum Ken Stillman 1976-8-24 425 Siskiyou Along Klamath River at Williams Point. 366 Comment
  RSA211503  Solidago canadensis subsp. elongata William J. Ferlatte 1966-8-18 415 Siskiyou Along the South Fork of the Salmon River between the campground and Carter's. 1524 Comment
  CAS-BOT-BC365578  Solidago elongata Copeland 1903-8-12 3823 Siskiyou Sisson Comment
  HSC96300  Solidago elongata Gordon Leppig 1998-8-14 1014 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  HSC96880  Solidago elongata Gordon Leppig 1997-8-23 674 Siskiyou Russian Wilderness; cirque W of Little Duck Lake 2200 Comment
  JEPS47362  Solidago elongata L. R. Heckard 1966-6-20 1529 Siskiyou on old McCloud Road about 1 mi ne Mt. Shasta (town) 1127 Comment
  CAS-BOT-BC365240  Solidago velutina subsp. californica Wm. Bridge Cooke 1937-8-6 9190 Siskiyou Mount Shasta. Above Bear Springs Comment
  RSA15789  Solidago velutina subsp. californica C. B. Wolf 1927-8-26 1015 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  CDA7670  Sonchus oleraceus T. C. Fuller 1959-10-14 3271 Siskiyou Big Springs Park, Mt. Shasta City. 0 Comment
  JEPS44988  Sorbus californica Geo. D. Butler 1908-8-26 282 Siskiyou head of Etna Creek 1676 Comment
  POM91495  Sorbus californica Geo. D. Butler 1910-7-8 1681 Siskiyou Shakleford Creek 1372 Comment
  UC1409334  Sorbus scopulina var. cascadensis Frederick W. Oettinger 1968-8-13 501 Siskiyou Lake shore south inlet to Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  HSC29470  Sorbus sitchensis var. sitchensis Frederick W. Oettinger 1968-9-8 789 Siskiyou Marble Mtn. Wilderness Area, outlet of English Lake 1799 Comment
  UC630394  Sparganium angustifolium Annetta Carter 1939-8-20 1464 Siskiyou 12 mi sw Etna (nw end of Taylor Lake); Salmon Mountains, Taylor Lake 2026 Comment
  POM256526  Sparganium angustifolium Annetta Carter 1939-8-20 1464 Siskiyou Northwest end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains. 2027 Comment
  CAS-BOT-BC390715  Spergularia rubra Louis C. Wheeler 1934-9-2 3239 Siskiyou Klamath National Forest. Miller Glade 1828 Comment
  UC106124  Sphenosciadium capitellatum unknown Siskiyou Mt. Shasta Comment
  JEPS83883  Spiraea densiflora Wayne Roderick July 1976 Siskiyou vicinity Cook and Green Pass (along trail to Lily Lake); Siskiyou Mts., vicinity of Cook and Green Pass, Lily Lake 1706 Comment
  UC1736474  Spiraea densiflora subsp. densiflora Dean W. Taylor 1972-7-3 1600 Siskiyou Cook and Green Pass 1371 Comment
  POM148451  Spiraea densiflora var. splendens J. B. Feudge 1927-7-22 1684 Siskiyou Trail. Mt. Shasta City to Mt. Eddy. 1372 Comment
  CAS-BOT-BC149682  Spiraea douglasii A. A. Heller 1905-6-20 8085 Siskiyou Between/near Igerna and Weed Comment
  CAS-BOT-BC149689  Spiraea douglasii Carl B. Wolf 1930-10-22 1754 Siskiyou 1 mile west of Mt. Shasta City 1066 Comment
  JEPS45017  Spiraea douglasii Geo. D. Butler 1908-8-2 284 Siskiyou Log Lake; Shackleford Creek 1524 Comment
  LA208255  Spiraea douglasii Steve Morgan; 1987-7-28 Siskiyou Mount Shasta, Shasta Trinity National Forest, McGinnis Springs, 5 mi. NW of McCloud 1767 Comment
  RSA237603  Spiraea douglasii Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1213 Siskiyou Young's Cabin on English Lake trail towards Abbotts. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1463 Comment
  CAS-BOT-BC152554  Spiraea splendens Ira L. Wiggins 1955-7-27 13528 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC62275  Spiraea splendens var. splendens Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  UC455174  Spiranthes porrifolia I. J. Condit 1911-7-17 Siskiyou Shasta Retreat Comment
  HSC551  Spiranthes romanzoffiana William J. Ferlatte 1966-8-17 391 Siskiyou Trinity Alps: Caribou Basin 1982 Comment
  SEINET9285653  Stachys rigida Unknown 2002-6-28 Siskiyou Yreka Park Comment
  CAS-BOT-BC181417  Stellaria calycantha Wm. Bridge Cooke 1939-7-26 13746 Siskiyou West boreal spring above Panther Creek Meadows - Mount Shasta 2590 Comment
  HSC19087  Stellaria crispa J. O. Sawyer 1969-8-5 1766 Siskiyou W of Little Duck Lake 2073 Comment
  UC375341  Stellaria media Geo. D. Butler 1908-7-10 539 Siskiyou Yreka Comment
  CAS-BOT-BC181463  Stellaria obtusa Doris K. Kildale 1928-8-18 6467 Siskiyou Near head of north fork of Salmon River at Farley's Upper Camp Comment
  RSA0018473  Stenanthium occidentale James R. Shevock 2012-7-21 40558 Siskiyou Along Forest Service Road 1055, 0.5 mile below Cook and Green Pass, Applegate River Drainage. 1433 Comment
  UCD139813  Stenanthium occidentale G. L. Clifton 1975-7-29 6042 Siskiyou near Copper Butte and Seiad Valley. 1328 Comment
  RSA202368  Stenanthium occidentale J. M. Tucker, L. K. Mann, Sandra L. Holloway 1963-8-18 3747 Siskiyou Upper Canyon Creek ca. 1/2 mile NE of the Marble Valley Guard Station, Marble Mountain Wilderness Area. 1921 Comment
  JEPS36844  Stephanomeria lactucina Geo. D. Butler 1909-1 Siskiyou Highland Mine, Russian Creek North Fork of Salmon River, Russian Creek 1828 Comment
  UC60926  Stephanomeria paniculata Geo. B. Grant Sept 1902 5064 Siskiyou Dunsmuir Mount Shasta 609 Comment
  UC166204  Stephanomeria virgata subsp. pleurocarpa Geo. D. Butler 1908-8-30 138 Siskiyou near Fort Jones (along Light hill grade) Comment
  HSC101542  Stipa lemmonii var. lemmonii J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 12995 Siskiyou Gazelle-Callahan Road. 1233 Comment
  HSC30691  Stipa occidentalis var. occidentalis Frederick W. Oettinger 1968-9-6 744 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow, Tom's Lake Region 2188 Comment
  HSC39868  Stipa occidentalis var. occidentalis J. P. Smith 1972-8-17 5749 Siskiyou Medicine Lake 2012 Comment
  UC1094385  Streptanthus barbatus Rimo C. Bacigalupi with Galen Smith 1957-6-26 5966 Siskiyou ca 4 mi sw junction with the North Fork (along road to Gumboot Lake, w of town of Mt. Shasta); South Fork of the Sacramento River 1371 Comment
  CAS-BOT-BC87842  Streptanthus tortuosus Alice Eastwood; John Thomas Howell 1934-4-20 1773 Siskiyou Junction of Klamath and Shasta Rivers. Comment
  RSA120638  Streptanthus tortuosus G. D. Barbe 1955-6-28 21 Siskiyou 0.7 mile N of Callahan. 1006 Comment
  UCD84701  Streptanthus tortuosus Robert E. Preston 2009-5-27 2684 Siskiyou At confluence of Klamath River and Three Creeks, along Hwy 96. 141 Comment
  POM95329  Streptanthus tortuosus Geo. D. Butler 1910-4-22 1221 Siskiyou Kidder Creek Comment
  HSC99988  Streptanthus tortuosus var. oblongus Thomas W. Nelson 2005-7-16 9376 Siskiyou Along Etna-Forks of Salmon Rd., 1.5 mi. from Forks of the Salmon. 399 Comment
  HSC59933  Streptanthus tortuosus var. orbiculatus D. L. Goforth 1979-7-19 250 Siskiyou Trinity Alps Wilderness Area, Caribou Lakes Basin, NW of upper lake 2134 Comment
  UC212466  Streptanthus tortuosus var. orbiculatus G. B. Grant 1902-9-7 5721 Siskiyou Mt. Shasta 2438 Comment
  HSC18897  Streptanthus tortuosus var. tortuosus J. O. Sawyer 1968-7-9 422 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  HSC18966  Streptanthus tortuosus var. tortuosus J. O. Sawyer 1969-7-8 1096 Siskiyou SW slope above Music Creek 2360 Comment
  HSC35794  Streptanthus tortuosus var. tortuosus J. O. Sawyer 1969-6-12 881 Siskiyou Ridge SE of Eaton Lake 2226 Comment
  UC1334017  Streptanthus tortuosus var. tortuosus Dorothy Parker 1949-7-10 343 Siskiyou 2 mi from summit of Salmon Mountain; Siskiyou Mountains 1828 Comment
  HSC18894  Streptopus amplexifolius J. O. Sawyer 1968-6-18 179 Siskiyou Above S Russian Creek on W side. 1463 Comment
  CAS-BOT-BC516433  Streptopus amplexifolius Doris K. Kildale 1928-8-18 6481 Siskiyou Near head of north fork of Salmon River at Finley's upper Camp Comment
  UC1312955  Streptopus amplexifolius var. americanus J. M. Tucker 1963-8-19 3771 Siskiyou headwaters of Canyon Creek; Marble Mountain Wilderness Area 1950 Comment
  HSC60776  Suksdorfia ranunculifolia Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  RSA211326  Suksdorfia ranunculifolia William J. Ferlatte 1966-6-22 70 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  JEPS93826  Swertia albicaulis var. albicaulis Vernon H. Oswald and Lowell Ahart 1998-6-11 9186 Siskiyou ne of Weed (Shasta National Forest plantation on the w side of Highway 97 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest, Highway 97 1066 Comment
  UC1045242  Swertia albicaulis var. albicaulis unknown 1940-6-27 15204 Siskiyou near the old Hotlum road; Mount Shasta Comment
  HSC76697  Swertia radiata K. T. Stillman 1976-7-8 200 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  CAS-BOT-BC269622  Symphoricarpos albus var. laevigatus G. P. Rixford No date on label s.n. Siskiyou Hilt Comment
  UC63715  Symphoricarpos albus var. laevigatus H. M. Hall and E. B. Babcock Jun 1903 4036 Siskiyou near Dunsmuir (Mount Shasta); Sierra Nevada Mountains, Mount Shasta 609 Comment
  HSC18882  Symphoricarpos mollis J. O. Sawyer 1968-9-11 695 Siskiyou Slopes above Twin Valley. 1463 Comment
  HSC18885  Symphoricarpos mollis J. O. Sawyer 1968-7-10 474 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC27962  Symphoricarpos mollis Carl W. Mize 1972-9-23 122 Siskiyou 610 Comment
  CAS-BOT-BC245768  Symphoricarpos rotundifolius Gilbert J. Muth 1969-8-7 1259 Siskiyou Boulder Peak Ridge 2468 Comment
  CAS-BOT-BC97875  Symphyotrichum eatonii 1902-9-11 5157 Siskiyou Sisson Comment
  CAS-BOT-BC97878  Symphyotrichum eatonii Geo. B. Grant 1902-9-11 s.n. Siskiyou Sisson Comment
  JEPS40765  Symphyotrichum foliaceum Geo. D. Butler 1910-8-13 1830 Siskiyou Quartz Valley Comment
  CAS-BOT-BC97949  Symphyotrichum frondosum A. A. Heller 1917-9-7 12977 Siskiyou Shasta Valley two miles south of Grenada 914 Comment
  UC75819  Symphyotrichum spathulatum Milo S. Baker 1899-7-31 Siskiyou on Ash Creek, e slope of Mt. Shasta Mt. Shasta Comment
  SEINET10861043  Taeniatherum caput-medusae Edwin B. Copel 1903-7-5 Copeland 3493 Siskiyou North slope of Round Mountain Comment
  RSA184711  Taraxacum officinale Gilbert Muth 1966-8-1 484 Siskiyou Marble Valley Horse Pasture, Marble Mountains 1793 Comment
  CAS-BOT-BC81334  Taxus brevifolia Ira L. Wiggins 1955-7-24 13482 Siskiyou Diversion dam on China Creek 1158 Comment
  CAS-BOT-BC81342  Taxus brevifolia Geo. B. Grant 1902-9-1 1281 Siskiyou Dunsmuir Comment
  NY17448  Taxus brevifolia I. L. Wiggins 1955-7-24 13482 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC81340  Taxus brevifolia W. R. Dudley 1899-8-1 s.n. Siskiyou From Upper Sacramento River below Rainbow and S.W. of Sisson's Comment
  CAS-BOT-BC447421  Tellima grandiflora John Thomas Howell 1939-8-3 14974 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  SD88343  Tellima grandiflora Darley F. Howe 1972-7-6 Siskiyou 1.3 miles south of Oregon State line on road to Happy Camp 1646 Comment
  HSC6276  Tetradymia canescens R. C. Wunner 1965-7-9 352 Siskiyou California Lava Beds National Monument; 0.4 mi. along Hardin Butte Trail 1341 Comment
  UC1083162  Thelypodium brachycarpum H. L. Mason 1931-5-9 5874 Siskiyou 4 mi n Dunsmuir Comment
  RSA60794  Thelypodium flexuosum Dorothy Parker 1948-6-22 26 Siskiyou Shore line of lower Klamath Lake 1280 Comment
  UC1440269  Thelypteris nevadensis L. L. Kiefer 1963-8-7 765 Siskiyou nw Happy Camp (Indian Creek Rd. to Baldy Mt.) 1219 Comment
  CHSC71569  Thlaspi montanum var. montanum Vernon H. Oswald; Lowell Ahart 1998-8-3 9426 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  UC165983  Thlaspi montanum var. montanum Geo. D. Butler 1910-6-4 1503 Siskiyou Shackleford Creek Comment
  RSA0049970  Thysanocarpus radians A. A. Heller 1929-5-14 14856 Siskiyou In a field along U.S. Highway #99, 2 miles south of Yreka. Comment
  RSA237928  Tofieldia glutinosa subsp. occidentalis Frederick W. Oettinger 1968-8-1 340 Siskiyou South side of Little Hancock Lake. The Salmon Mountains. The high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 2043 Comment
  UC682095  Tolmiea diplomenziesii G. L. Stebbins Jr. with A. A. Beetle 1942-5-30 3264 Siskiyou 0.75 mi n Happy Camp (on edge of Indian Creek); Indian Creek 335 Comment
  HSC6298  Tragopogon dubius R. C. Wunner 1965-7-1 318 Siskiyou California Lava Beds National Monument; near the top of Gillems Bluff Trail 1372 Comment
  CAS-BOT-BC377155  Tragopogon porrifolius L. B. Kildale 1930-5-31 9815 Siskiyou Island in Klamath River near Hornbrook Comment
  CAS-BOT-BC519559  Triantha occidentalis subsp. occidentalis Dr. E. B. Copeland 1903-9-7 375 Siskiyou Mt. Eddy 2438 Comment
  JEPS24009  Trichostema simulatum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6870 Siskiyou about 3 mi n (below) Scott Mtn. (road summit, on road to Callahan) 1219 Comment
  POM208365  Trifolium eriocephalum subsp. eriocephalum Louis C. Wheeler 2677 Siskiyou North Hungry Creek 1311 Comment
  UC585220  Trifolium eriocephalum var. eriocephalum E. B. Babcock and G. L. Stebbins 1936-6-11 1891 Siskiyou ca 2 s Yreka 822 Comment
  UC968606  Trifolium eriocephalum var. eriocephalum C. L. Hitchcock and J. S. Martin 1939-7-7 5276 Siskiyou ca 13 mi s Takilma (Oregon); Sanger Peak Trail Comment
  HSC58924  Trifolium howellii Marvin Butler 1971-8-11 282 Siskiyou Near Marv's Meadow 1464 Comment
  UC163857  Trifolium hybridum Geo. D. Butler 1908-7-8 387 Siskiyou near Yreka Comment
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Nov 25 2011
  POM27525  Trifolium longipes subsp. elmeri Geo. D. Butler 1910-6-5 1507 Siskiyou Shackleford Creek Comment
  JEPS33206  Trifolium longipes var. elmeri John Gill Lemmon 1889-6-28 Siskiyou Mt. Eddy Comment
  UC866843  Trifolium longipes var. elmeri A. A. Heller 1916-7-22 12483 Siskiyou east side of Mt. Eddy 1676 Comment
  JEPS48901  Trifolium microcephalum Geo. D. Butler 1908-6-28 380 Siskiyou Butler's Ranch Quartz Valley Comment
  RSA145170  Trifolium productum Dorothy Parker 1959-7-5 734 Siskiyou Salmon Mountain 1677 Comment
  RSA60498  Trifolium repens John H. Thomas 1949-6-16 942 Siskiyou Beaver Creek Public Camp, 5 miles north of junction of Beaver Creek and Klamath River. Klamath National Forest. Comment
  JEPS107658  Trifolium retusum Lowell Ahart, John Dittes 2005-6-10 12124 Siskiyou Northeast 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
  POM28037  Trifolium willdenovii Geo. D. Butler 1910-5-8 1313 Siskiyou Near Yreka. Comment
  UC1409311  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1967-6-27 126 Siskiyou streambank w. of Statue Creek (near point where Music Creek logging rd. makes hairpin turn); Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1755 Comment
  HSC18977  Trisetum canescens J. O. Sawyer 1969-8-1 1624 Siskiyou NE facing slope near Duck Lake Creek. 1799 Comment
  UCD146708  Trisetum canescens G. F. Hrusa 1998-7-5 14676 Siskiyou Cedar Camp Road +/- 5 miles east of Weitchpec on Highway 96. North side of Highway. Mile 8.2. Siskiyou Mountains. Comment
  CAS-BOT-BC133490  Triteleia crocea Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  UC3300  Triteleia ixioides subsp. anilina C. B. Bradley 1879-1 Siskiyou Comment
  HSC69713  Tsuga mertensiana Maralyn A. Renner 1980-7-15 1772 Siskiyou English Lake inlet 1780 Comment
  JEPS80587  Tsuga mertensiana Gilbert Muth 1965-7-29 131 Siskiyou Marble Valley; Marble Mt. Wilderness Area 1792 Comment
  SEINET7343028 Image available Tsuga mertensiana Steve Selva, Roger Jensen 1974-1 53 Siskiyou T40N, R9W, Sec. 19. Upper elevations of slopes West of Little Duck Lake. Pure stands with little understory. Comment
  HSC36609  Typha latifolia Brent Whiteley 1975-6-24 49 Siskiyou 235 Comment
  CAS-BOT-BC91277  Umbellularia californica Carl B. Wolf 1927-8-27 1149 Siskiyou On the Klamath River above the Salmon River. Comment
  UCR38389  Vaccinium arbuscula G. R. Ballmer, G. F. Pratt 1985-6-19 s.n. Siskiyou Trinity Mtns, Cedar Lake, WNW of Dunsmuir, c. 1 mi north of Gumboot Lake 1738 Comment
  JEPS58731  Vaccinium cespitosum W. L. Jepson 1907-7-6 2851 Siskiyou near Cuddihy Valley Comment
  UC413098  Vaccinium deliciosum Jos. Grinnell 1911-6-22 174 Siskiyou Jackson Lake Comment
  CAS-BOT-BC199229  Vaccinium membranaceum Louis C. Wheeler 1934-8-16 3162 Siskiyou Klamath National Forest. Johnson Dairy 1645 Comment
  CAS-BOT-BC199230  Vaccinium membranaceum Louis C. Wheeler 1934-8-16 3162 Siskiyou Klamath National Forest. Johnson Dairy 1645 Comment
  CHSC89001  Vaccinium membranaceum Gail A. Newton; Steven Harris 1981-7-17 2252 Siskiyou Klamath National Forest. Near the Dillon Divide. 1691 Comment
  UC562352  Vaccinium membranaceum Joseph P. Tracy 1935-8-1 14419 Siskiyou 3 mi e of Salmon Summit (Head of Knownothing Creek); Knownothing Creek 1767 Comment
  UCD118070  Vaccinium scoparium Dean William Taylor 1972-7-3 1612 Siskiyou Near Little Duck Lake. 1981 Comment
  CAS-BOT-BC199528  Vaccinium uliginosum W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar and Warm Castle, near McCloud Comment
  RSA12628  Valeriana sitchensis subsp. sitchensis Carl B. Wolf 1934-7-5 5957 Siskiyou 6.8 miles from Dry Lake Lookout on rd to Horse Creek, Siskiyou Mts. 1829 Comment
  RSA238576  Vancouveria hexandra Frederick W. Oettinger 1967-8-21 306 Siskiyou Northwest of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1878 Comment
  HSC72501  Verbascum blattaria J. P. Smith, Steve Selva 1970-6-17 4093 Siskiyou 12 mi. E of Somes Bar on road between Forks of Salmon and Somes Bar 366 Comment
  RSA123556  Verbascum blattaria G. D. Barbe 1955-7-7 143 Siskiyou East side of Forest Camp. Etna. 884 Comment
  CDA40712  Verbena bracteata R. S. Richards & F. D. Horn 1979-8-29 s.n. Siskiyou Lake Shastina Properties, Weed. 0 Comment
  UC444943  Veronica peregrina subsp. xalapensis W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Mount Shasta, Sisson Sisson; Mount Shasta, Sisson Comment
  UC887764  Veronica persica Louis C. Wheeler 1935-4-17 3425 Siskiyou Greenhorn Creek; Siskiyou Mountains, Greenhorn Creek 1005 Comment
  POM215849  Veronica persica Louis C. Wheeler 1935-4-17 3425 Siskiyou Greenhorn Creek, Siskiyou Mtns. (Mt. Diablo Mer.) 1006 Comment
  CHSC1914  Veronica serpyllifolia subsp. humifusa E. G. Copeland 1939-6-1 Siskiyou Mt. Eddy. 1828 Comment
  JEPS3850  Veronica serpyllifolia subsp. humifusa George D. Butler 1908-8-3 454 Siskiyou Log Lake, Shackelford Creek Log Lake; , Shackelford Creek 1524 Comment
  JEPS89184  Veronica wormskjoldii Gilbert Muth 1966-7-18 413 Siskiyou above Marble Valley (Marble Gap Trail); Marble Mountain Wilderness Area, Marble Gap Trail 1828 Comment
  HSC61511  Vicia americana var. americana Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1220 Comment
  UC1733827  Viola Frank Gould, Kay Beach 1940-5-15 1240 Siskiyou Between Mt. Hebron and Montague Lower Bull Meadows Comment
  CAS-BOT-BC264059  Viola adunca Copeland 1903-8-14 3721 Siskiyou Sisson Comment
  JEPS100199  Viola adunca var. adunca Dean W. Taylor