Search Results — 2000 specimen records retrieved (1377 records with coordinates)
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC1029452  Abies Mrs. B. M. Berry 1954-10-7 3 Siskiyou in creek bed just below Sugar Creek Bridge (High Road between French Creek and Scott River, near Callahans); Salmon Mountains 1828 Comment
  CAS-BOT-BC78125  Abies X shastensis Doris K. Kildale 1928-8-20 6602 Siskiyou Lily Pad Lake near Hancock Lookout, Trail to Marble Mt. 2072 Comment
  RSA759175  Abies X shastensis Doug Goldman 2004-11-7 2947 Siskiyou By a big parking lot along Forest Road A10 (Everett memorial Highway), on the southwest side of Mount Shasta, Shasta-Trinity National Forest. 2116 Comment
  HSC69712  Abies concolor Maralyn A. Renner 1980-7-15 1771 Siskiyou English Lake inlet 1780 Comment
  SEINET8058010 Image available Abies concolor Jack Major, R. Pemble, M. Fleschner 1966-9-6 Siskiyou Beside trail from Lovers Camp to Marble Valley Guard Station (Sec. 7, T 3 N, R12 W), Marble Mountains 1372 Comment
  HSC4984  Abies lasiocarpa J. O. Sawyer 1968-7-9 754 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC5000  Abies lasiocarpa J. O. Sawyer 1969-8-1 1600 Siskiyou Behind Horseshoe Lake 1921 Comment
  CAS-BOT-BC78105  Abies magnifica Elmer I. Applegate 1923-9-7 3966 Siskiyou Head of Doggett Creek, Siskiyou Mountains Comment
  HSC29625  Abies procera Frederick W. Oettinger, R. F. Thorne 1969-8-6 1239 Siskiyou Marble Mtn. Wilderness Area, below Pine Lake. Bulk Collection #50 1883 Comment
  LA202806  Acer circinatum Wm. Bridge Cooke; 1940-7-12 15309 Siskiyou Box Canyon, Near the Sacramento River and near Mount Shasta City 914 Comment
  UC1045288  Acer circinatum W. Bridge Cooke 1940-7-12 15309 Siskiyou in the Box Canyon near Mount Shasta City; near the Sacramento River 914 Comment
  CAS-BOT-BC331025  Acer glabrum var. glabrum Alice Eastwood 1921-7-24 10728 Siskiyou Castle Lake Comment
  UC637141  Acer glabrum var. glabrum Edward Lee 1934-8-13 1078 Siskiyou Happy Camp to Waldo (Oregon) road Klamath National Forest, West Branch Indian Creek watershed (watershed of West Branch of Indian Creek, Klamath National Forest) 1463 Comment
  HSC42164  Acer glabrum var. torreyi R. J. Mastrogiuseppe, J. D. Mastrogiuseppe 1974-9-2 Siskiyou Near Kidd Creek Comment
  CAS-BOT-BC332783  Acer macrophyllum Carl B. Wolf 1927-8-26 1103 Siskiyou On the Klamath River, 14 mi above Happy Camp Comment
  UC166209  Acer negundo Geo. D. Butler 1910-6-30 1617 Siskiyou Yreka Creek Comment
  POM85908  Acer negundo subsp. californicum Geo. D. Butler 1910-6-30 1617 Siskiyou [Unspecified] Comment
  CHSC105277  Achillea millefolium Lowell Ahart; John Dittes 2010-7-30 16954 Siskiyou About 30 yards west of the Shasta River, about 50 yards west of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  JEPS117459  Achillea millefolium Lowell Ahart, John Dittes 2010-7-30 16954 Siskiyou About 30 yards west of the Shasta River, about 50 yards west of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  JEPS37099  Achillea millefolium W. L. Jepson 1940-6-23 20024 Siskiyou n of Mt. Shasta; Andesite sta., n. of Mt. Shasta 975 Comment
  OBI55465  Achillea millefolium David J. Keil 1992-7-21 23539 Siskiyou Klamath Natl forest SE of Callahan. forest Rd 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  CAS-BOT-BC18866  Achillea millefolium David D. Keck 1938-8-8 4877 Siskiyou Scott Mountain Divide, between Scott Mtn. and Craggy Peak. 1676 Comment
  HSC30339  Achillea millefolium Dale R. Gradek 1974-5-25 47 Siskiyou On Road Eight, 0.9 miles from junction with Hwy. 3 Comment
  RSA463115  Achillea millefolium var. californica S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  RSA237218  Achillea millefolium var. occidentalis Frederick W. Oettinger 1967-8-13 266 Siskiyou Common on dry margins of Bear Meadow' midway, as the crow flies, between Tom Taylor Cabin and English Peak Lookout. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  CAS-BOT-BC400005  Achlys triphylla Clarence R. Quick 1959-6-19 59 -14 Siskiyou 6.7 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  SEINET12093091  Achlys triphylla F. H. Utech 1986-1 86 -477 Siskiyou Klamath National Forest, West Branch Recreation Area, ca 12 mi NE of Happy Camp 1000 Comment
  CAS-BOT-BC210721  Achnatherum lemmonii Louis C. Wheeler 1934-6-11 2682 Siskiyou Klamath National Forest. N. Hungry Cr. 1310 Comment
  UC1025003  Achnatherum lemmonii Leo Whitney 1935-7-15 3465 Siskiyou 2 mi se Medicine Lake (Bullseye Lake); Bullseye Lake Comment
  UCD50622  Achnatherum lemmonii Robert E. Preston 2002-6-20 1829 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope. 1911 Comment
  RSA582091  Achnatherum lemmonii var. lemmonii L. C. Wheeler 1934-6-11 2682 Siskiyou North Hungry Creek , Siskiyou Mtns. (Mt Diablo Mer) 1311 Comment
  JEPS33852  Achnatherum occidentale subsp. occidentale Gilbert Muth 1966-7-25 454 Siskiyou Marble Rim Marble Mt. Wilderness Area, Marble Rim 2072 Comment
  UC1100443  Achnatherum thurberianum Verne Grant and Irving Schneider 1947-8-26 8298 Siskiyou Lava Beds National Monument Comment
  RSA715779  Achyrachaena mollis L. Ahart, John Dittes 2005-6-10 12113 Siskiyou About 100 yards southeast of the pump house along the Shasta River, about 1.9 air miles south of Highway 99/97 Cutoff, about 6 air miles east-southeast of Grenada. 777 Comment
  CAS-BOT-BC29149  Achyrachaena mollis L. E. Smith 1915-6-1 s.n. Siskiyou Hilt Comment
  UCD103802  Acmispon americanus var. americanus A. A. Heller 1915-7-18 12116 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  UCD104244  Acmispon nevadensis Robert E. Preston 1995-6-18 881 Siskiyou CA: Siskiyou Co.; ca. 3 mi ese of Hornbrook, adjacent to Ager Rd. 701 Comment
  RSA608668  Aconitum columbianum Louis C. Wheeler 1963-9-11 8382 Siskiyou Siskiyou Mountains: Dillon Creek. 1494 Comment
  CAS-BOT-BC391511  Aconitum columbianum subsp. columbianum A. A. Heller 1915-8-26 12240 Siskiyou Mt Eddy 1828 Comment
  CAS-BOT-BC391518  Aconitum columbianum subsp. columbianum Alice Eastwood 1912-8-30 1989 Siskiyou Mount Eddy Comment
  CAS-BOT-BC413842  Aconogonon davisiae R. E. Frenkel 1964-7-16 691 Siskiyou Near Mount Shasta, in the vicinity of Patton Meadows 2377 Comment
  HSC19286  Aconogonon davisiae J. O. Sawyer 1969-7-9 1240 Siskiyou Steep hillside above S Sugar Lake 2134 Comment
  CAS-BOT-BC418819  Aconogonon phytolaccifolium Geo. D. Butler 1908-8-4 182 Siskiyou Shackleford Creek near head 1828 Comment
  UCSB25639  Actaea rubra Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road, 22.2 miles north of Happy Camp. 1402 Comment
  SEINET5718353 Image available Actaea rubra subsp. arguta J. M. Tucker, L. K. Mann 1963-1 3719 Siskiyou Ca. 0.25 mile down the trail (north of) from the lake, to a lesser extent on open slopes, Paradise Lake, at the base of Kings Castle on the east side, Marble Mountain Wilderness Area.; Paradise Lake 1981 Comment
  CAS-BOT-BC29317  Adenocaulon bicolor L. E. Smith 1914-6-24 717 Siskiyou Sisson Comment
  HSC67732  Adenocaulon bicolor John Palmer 1980-8-12 701 Siskiyou SE of Ward's Gap. 1189 Comment
  JEPS74502  Adenocaulon bicolor W. J. Ferlatte 1966-8-18 405 Siskiyou 3 mi s, in wooded area Big Flat; Trinity Alps 1584 Comment
  CAS-BOT-BC29318  Adenocaulon bicolor L. E. Smith 1913-7-1 428 Siskiyou Dunsmuir Comment
  RSA416327  Adenocaulon bicolor M. B. Dunkle 1944-7-17 9117 Siskiyou Deer Creek. Comment
  RSA264983  Agastache urticifolia Gilbert Muth 1975-7-29 5836 Siskiyou Near Kangaroo Mtn. Near Seiad Valley. 1756 Comment
  UC195217  Agastache urticifolia Annie M. Alexander and L. Kellogg 1911-7-30 305 Siskiyou Hd Rush Cr Comment
  UC1040749  Ageratina occidentalis B. Crampton 1956-8-21 3843 Siskiyou bench just below junction of Middle Fork with South Fork Sacramento River 1112 Comment
  UC160398  Ageratina occidentalis I. J. Condit 1911-7-22 Siskiyou Sisson Comment
  CAS-BOT-BC15482  Agoseris X dasycarpa Alice Eastwood 1921-7-29 10959 Siskiyou Medicine Lake Comment
  SFV5159  Agoseris grandiflora B. C. Templeton 1960-6-21 8526 Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  JEPS36234  Agoseris grandiflora var. grandiflora W. L. Jepson 1940-6-28 20052 Siskiyou McCloud McCloud 975 Comment
  CAS-BOT-BC22774  Agoseris heterophylla Lewis S. Rose 1945-6-18 45108 Siskiyou Horse Creek and Klamath River 502 Comment
  UC163892  Agoseris heterophylla Geo. D. Butler 1910-5-23 1402 Siskiyou near Yreka Comment
  CAS-BOT-BC22773  Agoseris heterophylla H. M. Hall; E. B. Babcock 1903-6-1 4036 Siskiyou Near Dunsmuir 609 Comment
  UC92268  Agoseris heterophylla var. heterophylla Brandegee Jul 1 1887-Jan 1 1900 Siskiyou Sissons Comment
  SEINET5335873  Agropyron trachycaulum G. Butler 1910-7-3 1624 Siskiyou Goosenest Foothills 1219 Comment
  HSC69385  Agrostis exarata Maralyn A. Renner 1980-8-31 2668 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  POM211406  Agrostis exarata L. C. Wheeler 1943-7-2 2843 Siskiyou Little Smoky Creek, Sterling Mt. 128 Comment
  UCD51753  Agrostis gigantea Robert E. Preston 2001-8-26 1761 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, Hemlock Lake. 1883 Comment
  RSA239093  Agrostis humilis Frederick W. Oettinger 1969-8-22 1503 Siskiyou South side of Horse Hole, near Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  HSC22424  Agrostis pallens J. O. Sawyer 1969-7-24 1511 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  UC1265351  Agrostis pallens F. W. Oettinger 1969-8-19 1456 Siskiyou head of wet meadow s big bare area between King David Peak and Abbot's Basin; Salmon Mountains 1905 Comment
  UC1265419  Agrostis pallens Frederick W. Oettinger 1969-9-3 1623 Siskiyou along trail to Tom Taylor Cabin before it enters the woods Tom Taylor Cabin; Salmon Mountains, Marble Mountain Wilderness Area, Crapo Mea 2072 Comment
  CAS-BOT-BC138477  Agrostis variabilis John Thomas Howell 1939-8-9 15214 Siskiyou Sky High Valley, Marble Mountains. 1828 Comment
  CAS-BOT-BC138479  Agrostis variabilis Wm. Bridge Cooke 1938-8-18 11487 Siskiyou Mount Shasta. Horse Camp Slopes. 2514 Comment
  RSA211231  Agrostis variabilis William J. Ferlatte 1967-8-20 1074 Siskiyou Caribou Basin. Ridge west of Big Caribou Lake 2134 Comment
  UCD35443  Agrostis variabilis Beecher Crampton 1956-8-22 3857 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2316 Comment
  POM172663  Alisma triviale Geo D. Butler 1910-8-21 1854 Siskiyou Shasta River. Comment
  RSA233716  Allium acuminatum Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mountains: Shasta-Trinity National Forest, ca. 15 air miles SW of Weed near Kangaroo Lake Campground. Comment
  CAS-BOT-BC462993  Allium bolanderi Geo. D. Butler 1910-6-3 1469 Siskiyou Quartz Valley Comment
  SEINET12048083  Allium bolanderi M. Ownbey, Aase, H. C. 1946-1 52 Siskiyou 2.5 mi W of Hilt Comment
  JEPS104836  Allium bolanderi var. bolanderi Dean W. Taylor 1996-6-18 15727 Siskiyou Scott Mountains; bordering Shasta Valley, hillslopes about 4 miles south of Gazelle; Shasta-Trinity National Forests 1249 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
  HSC98161  Allium campanulatum J. O. Sawyer 1969-7-15 1115 Siskiyou Slopes S of Jackson Lake. 2287 Comment
  UC609359  Allium campanulatum Eleanor Burks Hart 1938-8-20 940 Siskiyou below Red Cap (upper end of Big Meadow); Big Meadow 2225 Comment
  CDA18413  Allium falcifolium G. D. Barbe, T. C. Fuller & J. T. Howell 1980-4-29 2652 Siskiyou Klamath Ranges; Schoolhouse Hill, summit of Gazelle-Callahan Road, 7 miles (11.3 km) east of Callahan. 1173 Comment
  CHSC30249  Allium falcifolium M. S. Taylor 1980-7-8 3111 Siskiyou S of Castle Lake, above Hearts Lake. 2016 Comment
  CAS-BOT-BC469237  Allium falcifolium Alice Eastwood 1912-8-30 2004 Siskiyou Mount Eddy Comment
  CAS-BOT-BC469247  Allium falcifolium Antone J. Soares 1922-6-1 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC474038  Allium parvum Elmer I. Applegate 1925-4-26 4238 Siskiyou Ridge between Tule Lake and Lower Klamath Marsh. Comment
  HSC67715  Allium validum John Palmer 1980-7-24 615 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC69158  Allium validum Maralyn A. Renner 1980-8-4 2210 Siskiyou Flint Valley 1390 Comment
  JEPS61507  Allium validum Willis L. Jepson 1894-8-4 Siskiyou Cedar Spring Mt. Shasta, Cedar Spring Comment
  CAS-BOT-BC478033  Allium validum A. A. Heller 1915-8-26 12233 Siskiyou Mt. Eddy in open swampy places in the forest 1828 Comment
  SEINET3154008  Allium validum G. D. Butler 1910-6-19 1577 Siskiyou Goosenet foot hills 1524 Comment
  CAS-BOT-BC171396  Alnus incana subsp. tenuifolia Geo. D. Butler 1910-5-10 1316 Siskiyou Goosenest foothills 1524 Comment
  CAS-BOT-BC171413  Alnus incana subsp. tenuifolia W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar Meadows, near McCloud Comment
  JEPS24791  Alnus incana subsp. tenuifolia Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6800 Siskiyou Castle Lake; shore, headwaters of Sacramento River 1661 Comment
  CAS-BOT-BC169650  Alnus rhombifolia H. A. Thomas; J. H. Thomas 1954-6-22 4447 c Siskiyou Salmon - Trinity Mountains. About 6 mi SE of Cecilville. Between Rushand Big Bend Creeks, 0.25-0.5 mi N of S Fork of Salmon River 975 Comment
  HSC42237  Alnus viridis subsp. sinuata R. J. Mastrogiuseppe, J. D. Mastrogiuseppe 1974-9-2 159 Siskiyou On both sides of Kidd Creek Comment
  HSC69717  Alnus viridis subsp. sinuata Maralyn A. Renner 1980-7-15 1762 Siskiyou English Lake inlet 1780 Comment
  UC1736429  Alnus viridis subsp. sinuata Dean W. Taylor 1999-8-12 17301 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley), creek crossing on logging road 1341 Comment
  HSC26522  Alopecurus aequalis J. P. Smith, Steve Selva 1970-7-16 4385 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  CAS-BOT-BC137949  Alopecurus saccatus Lewis S. Rose 1946-6-4 46138 Siskiyou 2 miles south of Dorris. 1219 Comment
  CDA3624  Alyssum alyssoides Vernon H. Oswald & Lowell Ahart 1998-6-11 9178 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  CHSC38086  Alyssum alyssoides R. E. Preston; L. E. Preston 1983-6-9 391 Siskiyou Grass Lake Rest Area. 1542 Comment
  CAS-BOT-BC17203  Alyssum alyssoides L. E. Smith 1914-5-6 655 Siskiyou Yreka. Comment
  CAS-BOT-BC136716  Amelanchier alnifolia var. pumila Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Mumbo Lake, Trinity Mts. 1828 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
  CHSC27774  Amelanchier pallida K. Bridwell 1978-4-15 92 Siskiyou PP and L waterfall ca. 300 yds n of Copco Rd, ca. 20 mi ne of Hornbrook. 762 Comment
  HSC18539  Amelanchier pallida R. C. Wunner 1965-8-21 466 Siskiyou California Lava Beds National Monument; 1/4 mile S from Cinder Pit in direction of Caldwell Cave 1402 Comment
  HSC65538  Amelanchier pallida R. White 1977-6-20 88 Siskiyou NE area around Devil's Punchbowl 1433 Comment
  RSA237659  Amelanchier pumila Frederick W. Oettinger 1969-8-13 1358 b Siskiyou Below Halfway Spring, trail from English Lake to Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC136890  Amelanchier utahensis Doris K. Kildale 1929-8-24 8830 Siskiyou Preston Peak 2225 Comment
  CAS-BOT-BC136921  Amelanchier utahensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11777 Siskiyou About 5.5 miles from Etna on forks of Salmon Road Comment
  UC1409345  Amelanchier utahensis Frederick W. Oettinger 1969-7-18 1057 Siskiyou sw of Upper English Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  UCD119751  Amsinckia menziesii Jean H. Langenheim 1957-5-19 4348 Siskiyou Intersection of Miner's Creek Road and Tiger Creek Road, boundary SE 1/4. Comment
  CAS-BOT-BC45215  Anaphalis margaritacea L. E. Smith 1913-8-30 533 Siskiyou Mount Eddy Comment
  SEINET8379680  Andersonglossum occidentale L. E. Detling 1947-6-3 6058 Siskiyou Hapy Camp, Klamth National Forest. 335 Comment
  POM215878  Androsace elongata subsp. acuta Louis C. Wheeler 1935-4-18 3432 Siskiyou Greenhorn Creek, Siskiyou Mountains. 945 Comment
  HSC64333  Anemone deltoidea J. P. Smith, Steve Selva 1970-6-16 4063 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  CAS-BOT-BC391798  Anemone deltoidea Gilbert Muth 1965-8-3 s.n. Siskiyou Pothole in Marble, Marble Valley Comment
  SEINET12087309  Anemone deltoidea A. Eastwood, Howell, J. T. 1937-1 5035 Siskiyou Salmon Mountains, 5 mi SW of Etna Comment
  CAS-BOT-BC391851  Anemone drummondii John Thomas Howell 1939-8-2 14873 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC45193  Anemone drummondii J. O. Sawyer, E. Cope 1977-6-21 2986 Siskiyou Along Kelsey Trail W of Bear Lakes 1677 Comment
  SBBG2105  Anemone drummondii J. F. Davidson, J. M. Tucker 1947-5-17 1566 Siskiyou summit of Scott Mtn 2072 Comment
  CAS-BOT-BC391858  Anemone drummondii W. R. Dudley 1905-8-4 s.n. Siskiyou Foot and slopes of Mt. Eddy Comment
  CAS-BOT-BC391968  Anemone occidentalis Geo. D. Butler 1910-7-10 1736 Siskiyou Upper Campbell Lake 1676 Comment
  CAS-BOT-BC391975  Anemone occidentalis G. J. Muth 1969-8-7 1227 Siskiyou Boulder Peak Ridge Comment
  SEINET3075626 Image available Anemone occidentalis M. B. Dunkle 1945-7-1 Siskiyou Marble Mountains, Klamath National Forest. Comment
  JEPS16076  Angelica arguta Geo. D. Butler 1908-8-3 465 Siskiyou Log Lake, Shackleford Creek hackleford Creek; Log Lake, Shackleford Creek Comment
  UC1360403  Angelica arguta J. M. Tucker 1963-8-20 3787 Siskiyou 1/2 mi ne of Marble Valley Guard Station (Marble Mountain Wilderness Area); Marble Mountain Wilderness Area 1920 Comment
  UCD127104  Angelica arguta K. M. Meyer; A. Townesmith 2007-7-31 180 Siskiyou Shasta-Trinity National Forest, 8.1 miles on NF Rd. 17, off US Hwy 97. 1607 Comment
  RSA202367  Angelica tomentosa var. tomentosa J. M. Tucker 1963-8-20 3787 Siskiyou 1/2 mile northwest of the Marble Valley Guard Station, Marble Mountain Wilderness Area 1921 Comment
  UC166576  Antennaria argentea Geo. D. Butler 1909-5-9 700 Siskiyou (North Lennox St.) Yreka Comment
  CAS-BOT-BC59289  Antennaria argentea J. H. Thomas 1954-5-13 4160 Siskiyou Salmon Mountains, Klamath Nation Forest 1127 Comment
  POM34161  Antennaria dimorpha Geo. D. Butler 1910-3-24 1140 Siskiyou Shasta Rim Hills Comment
  SEINET2029480 Image available Antennaria geyeri J. William Thompson 1936-7-8 12158 Siskiyou Lava slopes of Lava Beds Natioinal Doucment Comment
  HSC69160  Antennaria howellii Maralyn A. Renner 1980-8-4 2208 Siskiyou Flint Valley 1390 Comment
  JEPS84311  Antennaria media L. R. Heckard with J. Hickman et al. 1986-7-17 6534 Siskiyou along road and area and camp overlooking s end Alex Hole; Condrey Mt. 1980 Comment
  HSC29210  Antennaria racemosa Frederick W. Oettinger 1968-9-1 654 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area; above Abbott's Lake Basin 1982 Comment
  CAS-BOT-BC84731  Antennaria umbrinella Ira L. Wiggins 1955-7-27 13536 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  UCD129038  Antennaria umbrinella J. M. Tucker; R. Tofsrud 1948-8-2 1770 Siskiyou Panther Meadows, Mount Shasta. 2407 Comment
  HSC61204  Apocynum androsaemifolium Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  JEPS19478  Apocynum androsaemifolium Willis L. Jepson Jul 24 1894-Aug 10 1894 14625 Siskiyou Sisson region of the Upper Sacramento, Sisson Comment
  JEPS49791  Apocynum androsaemifolium Geo. D. Butler 1908-8-1 76 Siskiyou Caldwell Ranch near Yreka Comment
  HSC2399  Apocynum androsaemifolium William J. Ferlatte 1966-8-18 408 Siskiyou 3 mi. S of Big Flat 1585 Comment
  HSC3208  Apocynum androsaemifolium R. C. Wunner 1965-7-9 367 Siskiyou Lava Beds N.M., 1 mi. from Mammoth Crater Jct. on Tichner Rd. to Upper Ice Cave. 1555 Comment
  HSC3211  Apocynum androsaemifolium Geo. D. Butler 1908-9-6 78 Siskiyou Butler Ranch, near Yreka. Comment
  UCSB22757  Apocynum androsaemifolium Keefe, Joseph 1967-7-10 Siskiyou Indian Creak Road, 14.8 miles north of Happy Camp 914 Comment
  UC166049  Aquilegia formosa Geo. D. Butler 1909-6-23 902 Siskiyou Goosenest foothills Comment
  UCD95560  Aquilegia formosa J. M. Tucker; D. V. Hemphill 1974-7-26 4288 Siskiyou Let 'Er Buck Meadows, 0.5 mile southeast of Haypress Meadows, Marble Mountain Wilderness Area. 1432 Comment
  HSC69383  Aquilegia formosa var. formosa Maralyn A. Renner 1980-7-24 1954 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  HSC22426  Aquilegia formosa var. truncata J. O. Sawyer 1969-6-12 926 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  POM95067A  Arabis breweri Geo. D. Butler 1909-5-14 726 Siskiyou Klamath River Comment
  CAS-BOT-BC251145  Arabis eschscholtziana R. C. Wenk 2005-7-16 252 Siskiyou Trinity Alps, South Fork of the Salmon River. South end of Big Flat Meadow 1493 Comment
  HSC26568  Arabis holboellii var. pinetorum J. P. Smith, J. O. Sawyer 1972-8-20 5758 Siskiyou Slope of Mt. Hoffman 2134 Comment
  HSC77124  Arabis holboellii var. retrofracta K. T. Stillman 1976-8-7 181 Siskiyou Marble Mtn. Wilderness Area. Comment
  HSC99978  Arabis holboellii var. retrofracta Thomas W. Nelson, & Sydney Carothers 2005-7-17 9386 Siskiyou Etna Summit along Etna-Forks of the Salmon Rd.. 1804 Comment
  HSC90630  Arabis koehleri var. stipitata Jennifer Whipple 1976-7-8 1364 Siskiyou Klamath Mtns.: N to NE facing steep granite bluff above Dobkins Lake 2317 Comment
  CAS-BOT-BC16716  Arabis modesta Lincoln Constance; Reed Clark Rollins 1942-5-13 2907 Siskiyou Klamath-Siskiyou Region. Klamath River 4 miles east of Seiad. 457 Comment
  HSC90567  Arabis puberula Jennifer Whipple 1976-6-12 980 Siskiyou SE slope of Mt. Eddy draining into the N Fork of the Sacramento River 2195 Comment
  RSA78833  Arabis suffrutescens P. A. Munz 1952-7-2 17911 Siskiyou Ridge west of Baldy Mt. L. O., 6 mi. by air west of Happy Camp. Siskiyou Mts. 1768 Comment
  CAS-BOT-BC171031  Aralia californica Alice Eastwood 1923-7-1 1339 Siskiyou Cantara Comment
  HSC3248  Aralia californica C. B. Wolf 1927-8-26 1104 Siskiyou On the Klamath River, 8 mi. above Happy Camp Comment
  SEINET2471294  Arceuthobium abietinum subsp. wiensii R. L. Mathiasen 2007-9-16 2007 -47 Siskiyou Ca. 18 km W. of Indian Creek on forest road 17N11 1340 Comment
  CDA22359  Arceuthobium campylopodum R. L. Mathiasen 2005-3-12 532 Siskiyou 0.8 km north of Highway 89 on Forest Road 88 (road to Mt. Shasta Ski Park). Shasta-Trinity National Forest. 0 Comment
  CHSC97993  Arceuthobium campylopodum R. L. Mathiasen 2005-3-12 531 Siskiyou 0.8 km north of Highway 89 on forest road 88 (road to Mt. Shasta Ski Park). Shasta-Trinity National Forest. Comment
  HSC15899  Arceuthobium campylopodum R. C. Wunner 1965-8-14 431 Siskiyou Lava Beds National Monument, 2 mi. S of Mammoth Crater on Tickner Rd. 1555 Comment
  UC1409473  Arceuthobium campylopodum Frederick W. Oettinger 1969-8-22 1509 Siskiyou just w of outlet Horse Range Lake; Salmon Mountains, Marble Mountain Wilderness Area, English P 1821 Comment
  SEINET2140127  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2007-1 2007 -53 Siskiyou 1 km SE. of trail to Duck Lake on trail to Eaton Lake, Russian Peak Wilderness. 1730 Comment
  CAS-BOT-BC24161  Arctostaphylos Louis C. Wheeler 1963-9-3 8344 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Brushy, sunny, rocky W slope. Comment
  CAS-BOT-BC27255  Arctostaphylos klamathensis T. Keeler-Wolf 1982-9-26 685 Siskiyou Terrace Lake 1950 Comment
  UCD51974  Arctostaphylos manzanita Warren Roberts 1967-9-25 Siskiyou Near Somes Bar. Comment
  CAS-BOT-BC45441  Arctostaphylos nevadensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11801 Siskiyou At Mile Creek crossing on Scott Mt. Rd. s. of Callahan. 1493 Comment
  CHSC587  Arctostaphylos nevadensis V. Holt 1932-6-26 Siskiyou Mt. Eddy. 1828 Comment
  JEPS49476  Arctostaphylos nevadensis B. Wise Neilsen 1936-10-18 Siskiyou 2 mi nw Etna Mt.; Salmon Mt. Comment
  LA42206  Arctostaphylos nevadensis H. P. Bracelin; 1931-6-21 459 Siskiyou N side of Mt. Eddy above Dobkin's Lake, near Mt. Shasta City 2133 Comment
  CAS-BOT-BC46525  Arctostaphylos patula L. B. Kildale 1930-6-1 9861 Siskiyou Salmon River 5 mi. n. of Forks of Salmon. Comment
  HSC37525  Arctostaphylos patula J. P. Smith 1974-5-25 7436 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  JEPS38839  Arctostaphylos patula J. W. Kisling 1910-4-20 Siskiyou Edgewood Comment
  POM77503  Arctostaphylos patula Geo D. Butler 1909-3-7 586 Siskiyou Hills near Yreka. Comment
  RSA303434  Arctostaphylos patula Jim Shevock 1971-4-9 941 Siskiyou Near Desmuir. 701 Comment
  UC1483421  Arctostaphylos patula Maralyn A. Renner 1980-7-23 1929 Siskiyou w side Upper Devil's Peak; Klamath National Forest, Seiad Valley Quad., Pacific Crest T 1767 Comment
  CAS-BOT-BC47016  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1929-5-11 7717 Siskiyou Cecilville, upper s. Fork of Salmon River. Comment
  CHSC69067  Arnica chamissonis Vernon H. Oswald; Lowell Ahart 1997-7-28 8805 Siskiyou Large, vernally flooded meadow on the east side of Forest Route 15, 10.9 mi north of Hwy. 89. 1383 Comment
  JEPS95046  Arnica chamissonis Vernon Oswald and Lowell Ahart 1997-7-28 8805 Siskiyou 10.9 mi n of Highway 89 (meadow on the e side of Forest Route 15); Forest Route 15 1383 Comment
  CAS-BOT-BC82363  Arnica cordifolia H. E. Brown 1897-6-1 364 Siskiyou Near Mt. Shasta 2133 Comment
  CAS-BOT-BC82364  Arnica cordifolia J. H. Thomas 1954-5-13 4145 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, 1127 Comment
  HSC45165  Arnica discoidea J. O. Sawyer, E. Cope 1977-6-19 2944 Siskiyou Clear Creek Trail between West Fork and Preston Creek 854 Comment
  OBI55449  Arnica discoidea David J. Keil 1992-7-20 23507 Siskiyou Klamath Natl Foerst, SW of Fort Jones. Along forest rd 46N64, 4.8 mi W of Scott River Rd 800 Comment
  UC1408756  Arnica longifolia Frederick W. Oettinger 1968-9-1 648 Siskiyou ssw of, at base of precipice Abbott's Lake; Salmon Mountains, English Peak, Marble Mountain Wilderness A 1798 Comment
  HSC22153  Arnica mollis J. O. Sawyer 1969-8-4 1920 Siskiyou South Sugar Creek 2043 Comment
  HSC26911  Arnica mollis J. P. Smith, J. O. Sawyer 1971-9-17 4778 Siskiyou Little Duck Lake Comment
  HSC96404  Arnica mollis Gordon Leppig, J. Kalt 1996-7-9 349 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  JEPS84189  Arnica mollis L. R. Heckard with S. D'Alcamo, J. Hickman, W. Roderick 1986-7-16 6426 Siskiyou ca 5 mi n Seiad Valley (cirque at head of Hell's Canyon); e slope of Kangeroo Mountain, head of Hell's Canyon 1828 Comment
  RSA237477  Arnica nevadensis Frederick W. Oettinger 1967-7-20 177 Siskiyou SSE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UC558481  Arnica viscosa W. B. Cooke 1936-8-1 Siskiyou first creek s of Horse Camp; Mount Shasta 2438 Comment
  CAS-BOT-BC90097  Artemisia Dewey Riscioni 1970-2-12 1001 Siskiyou Modoc N.F., Creum's Lake, near Lower Klamath Lake Comment
  CAS-BOT-BC90474  Artemisia douglasiana A. A. Heller 1914-8-25 11710 Siskiyou Along the railroad embankment near Deetz Station opposite Black Butte 1158 Comment
  CAS-BOT-BC90473  Artemisia douglasiana David Keck 1938-8-19 11509 Siskiyou Howard, along overflow stream from Mount Shasta City water resevoir 1219 Comment
  HSC35802  Artemisia norvegica subsp. saxatilis J. O. Sawyer 1969-8-4 1821 Siskiyou Above Sugar Lake 2134 Comment
  UC1409365  Aruncus dioicus var. pubescens Frederick W. Oettinger 1969-9-4 1670 Siskiyou Tobacco Lake Salmon Mountains, Marble Mountain Wilderness Area (vicinity of English Peak, w Siskiyou County) 1828 Comment
  UC12116  Aruncus dioicus var. pubescens unknown Sep 1862 1446 Siskiyou Comment
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  CAS-BOT-BC447712  Aruncus dioicus var. vulgaris Edward Lee 1934-8-11 1031 Siskiyou Walker Creek, a tributary of the Klamath River (east end of Seiad Valley) 609 Comment
  CAS-BOT-BC400597  Asarum caudatum J. Aug. Kusche 1914-6-1 s.n. Siskiyou Mt. Shasta Comment
  CAS-BOT-BC400700  Asarum hartwegii A. A. Heller 1905-6-5 7989 Siskiyou Plateau above Shasta Springs Comment
  POM165732  Asarum hartwegii E. B. Copeland 1903-7-17 s.n. Siskiyou Mt. Shasta 1829 Comment
  UC153505  Asarum hartwegii Milo S. Baker 98 Siskiyou Sisson Comment
  UC705387  Asclepias cordifolia Marion Ownbey, D. H. Brown 1941-6-22 2423 Siskiyou w Craggy Mountain (nw of Yreka) Comment
  UCD121377  Asclepias speciosa K. M. Meyer; A. Townesmith 2007-7-31 173 Siskiyou Shasta-Trinity National Forest. 5.3 mi. on NF Rd. 17, off US Hwy. 97, turn out right before forest rd. 42N19. 1298 Comment
  HSC92669  Aspidotis densa Jennifer Whipple 1978-10-6 2390 Siskiyou Mt. Eddy, N-facing slopes in the Eddy Creek Drainage 2317 Comment
  HSC92678  Aspidotis densa Jennifer Whipple 1976-8-20 1725 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2195 Comment
  SEINET5338519  Aspidotis densa M. J. Williams 1967-9-2 s.n. Siskiyou Cabin Meadow 1829 Comment
  CAS-BOT-BC178821  Astragalus californicus Geo. D. Butler 1909-4-14 593 Siskiyou Humbug Road Comment
  CAS-BOT-BC178760  Astragalus canadensis var. brevidens Alice Eastwood; John Thomas Howell 1940-6-14 82 Siskiyou 5 miles W. of Tulelake Comment
  CDA26647  Astragalus curvicarpus T. C. Fuller 1965-6-2 13591 Siskiyou Big Springs district, north slope of Mt. Shasta, road from Grenada, 8.3 miles northwest of Dorris-Weed Highway. 0 Comment
  JEPS107649  Astragalus filipes Lowell Ahart, John Dittes 2005-6-10 12092 Siskiyou Rocky hillside, north of the rock fence, about 150 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  HSC14570  Astragalus lentiginosus D. M. Thomson 1965-6-12 81 Siskiyou Lava Beds National Monument, Hovey Point Comment
  CAS-BOT-BC187306  Astragalus lentiginosus var. lentiginosus A. A. Heller 1905-6-19 8062 Siskiyou Grenada Station Comment
  HSC43830  Astragalus lentiginosus var. lentiginosus Maralyn O'Meara 1974-5-27 485 Siskiyou Along FS Rd. 47N03 1280 Comment
  HSC101156  Astragalus purshii var. lectulus Dana York 2011-8-12 3050 Siskiyou Klamath National Forest, Marble Mountain ridge 2058 Comment
  UCD105227  Astragalus purshii var. lectulus W. R. Hildreth 1971-8-4 s.n. Siskiyou Summit of Marble Mountain. Comment
  CDA18415  Astragalus purshii var. tinctus G. D. Barbe, T. C. Fuller & J. T. Howell 1980-4-29 2654 Siskiyou Klamath Ranges; Schoolhouse Hill, summit of Gazelle-Callahan Road, 7 miles (11.3 km) east of Callahan. 1173 Comment
  RSA110925  Astragalus purshii var. tinctus R. C. Barneby 1954-5-15 11501 Siskiyou 3 miles N of Edgewood. 1204 Comment
  RSA275306  Astragalus purshii var. tinctus Jennifer Whipple 1976-5-2 915 Siskiyou Scott Valley near Weston Gulch. Comment
  HSC100275  Astragalus whitneyi J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13073 Siskiyou Klamath National Forest, along road to botanical area off Forest Service Road 40N24 to Crater Lake. 1860 Comment
  CAS-BOT-BC69536  Athyrium alpestre subsp. americanum W. B. C. 1938-9-8 11617 Siskiyou Panther Creek Glacial Meadow, Mount Shasta. 2590 Comment
  CAS-BOT-BC69573  Athyrium alpestre subsp. americanum C. G. Pringle 1881-8-17 s.n. Siskiyou Mt. Shasta. 2286 Comment
  CAS-BOT-BC69574  Athyrium alpestre subsp. americanum C. G. Pringle 1882-8-29 s.n. Siskiyou Mount Shasta. 2438 Comment
  HSC35795  Athyrium filix-femina var. cyclosorum J. O. Sawyer 1968-6-18 171 Siskiyou Above S Russian Creek on W side. 1463 Comment
  CAS-BOT-BC66182  Athyrium filix-femina var. cyclosorum J. G. Lemmon s.n. Siskiyou Near Mt. Shasta Comment
  POM210922  Atriplex rosea L. C. Wheeler 1934-10-21 3339 Siskiyou Shasta Valley 8 miles NE of Gazelle. 869 Comment
  HSC4357  Atriplex truncata L. C. Wheeler 1934-10-21 3330 Siskiyou Shasta Valley 4 mi. E of Grenada 869 Comment
  CHSC71278  Balsamorhiza deltoidea Vernon H. Oswald; Lowell Ahart 1998-6-11 9174 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  HSC68220  Balsamorhiza deltoidea J. P. Smith 1973-5-5 6511 Siskiyou Along Cook and Green Pass Rd. Comment
  JEPS32267  Balsamorhiza deltoidea W. L. Jepson 1894-1 Siskiyou n of Sisson Upton Comment
  CAS-BOT-BC100048  Balsamorhiza hookeri Lincoln Constance; Reed C. Rollins 1942-5-14 2919 Siskiyou One mile east of Yreka 762 Comment
  POM94780  Barbarea orthoceras Geo. D. Butler 1910-7-7 1659 Siskiyou Shackleford Creek. 1220 Comment
  UC1191424  Bassia hyssopifolia Verne Grant and Irving Schneider 1947-8-25 8280 Siskiyou w side Tule Lake; w side of Tule Lake Comment
  HSC27230  Berberis aquifolium var. repens J. P. Smith, J. O. Sawyer 1971-9-18 4804 Siskiyou 0.2 mi. W of the jct. of Hwy. 3 and Rd. 8 N of Callahan. Comment
  HSC73274  Berberis aquifolium var. repens M. A. Baker 1980-6-20 2185 Siskiyou Near Bald Mtn. 1036 Comment
  CAS-BOT-BC169397  Betula C. Hart Merriam 1907-9-27 s.n. Siskiyou Klamath Canyon, near Shovel Creek Comment
  CAS-BOT-BC102122  Bidens cernua L. E. Smith 1915-7-1 s.n. Siskiyou Desty Comment
  HSC96829  Bistorta bistortoides S. Lyon, J. McIntire 2006-6-25 24 Siskiyou Burns Ranch; On F.S. Rd. 39N41, 0.2 miles southwest of intersection with Rd. 39N27 1341 Comment
  CAS-BOT-BC127945  Blepharipappus scaber L. B. Kildale 1930-6-1 9826 Siskiyou Mill Creek near Etna Mills Comment
  UC87370  Blepharipappus scaber Brandegee 1887-7-1 Siskiyou Montague Comment
  CAS-BOT-BC127935  Blepharipappus scaber L. R. Abrams 1927-9-11 12138 Siskiyou Shasta Valley, Yreka to Gazelle Comment
  POM250770  Blepharipappus scaber D. D. Keck 1938-8-8 4861 Siskiyou 0.4 mile south of Scoot Mountain Lodge, near Mill Creek Scott Mountains. 1040 Comment
  RSA49959  Blepharipappus scaber E. K. Balls 1949-7-8 13896 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mt. 1753 Comment
  CAS-BOT-BC15791  Boechera acutina John Thomas Howell 1937-7-23 13373 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC15927  Boechera arcuata Reed Rollins 1938-6-17 11051 Siskiyou Mount Shasta. Sisson Southern Trail 1371 Comment
  UC583301  Boechera breweri subsp. shastaensis Alice Eastwood and John Thomas Howell 1934-4-20 1762 Siskiyou near Yreka (along Shasta River); Shasta Rvier Comment
  CAS-BOT-BC13810  Boechera howellii Marion Ownbey; Fred G. Meyer 1940-7-4 2188 Siskiyou East side of Mount Shasta. On ridge above head of Brewer Creek. Comment
  CAS-BOT-BC13809  Boechera howellii William Bridge Cooke 1941-8-14 16177 Siskiyou Mount Shasta. Above Horse Camp. 2743 Comment
  CAS-BOT-BC14135  Boechera pendulocarpa C. L. Hitchcock; J. S. Martin 1939-7-9 5322 Siskiyou 0.5 mile southeast of King's Castle. 1828 Comment
  UCD114422  Boechera pinetorum James Payne Smith Jr. 1976-5-21 8774 Siskiyou Klamath National Forest, Forest Road 40N08, 12.3 miles from its junction with State Route 3. 1219 Comment
  JEPS53135  Boechera platysperma Willis L. Jepson 1894-8-4 59 b Siskiyou Horse Camp Mt. Shasta Comment
  CAS-BOT-BC14412  Boechera platysperma William Bridge Cooke 1941-8-18 16192 Siskiyou Mount Shasta. Along the Memorial Highway. 1981 Comment
  CAS-BOT-BC25417  Boechera retrofracta John Thomas Howell 1937-7-21 13203 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC25418  Boechera retrofracta John Thomas Howell 1937-7-21 13203 A Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  UC1096782  Boechera retrofracta Barbe 1957-7-13 386 Siskiyou rd leading s from Big Flat Camp to Salmon-Trinity Alps Wilderness Area; Klamath National Forest Comment
  CAS-BOT-BC25611  Boechera retrofracta John Thomas Howell 1937-7-26 13569 Siskiyou Salmon River Gulch. Between Big Flat and Caribou Gulch. Comment
  CAS-BOT-BC25617  Boechera retrofracta Alice Eastwood; John Thomas Howell 1937-6-26 5031 Siskiyou Near Etna. Comment
  CAS-BOT-BC25618  Boechera retrofracta Roxana S. Ferris; Laura Lorraine 1948-6-12 11858 Siskiyou 1.5 miles below summit of Gazelle Moutain grade, east side. 1417 Comment
  HSC103180  Boechera rollei Dana York 2012-7-21 3129 Siskiyou Rogue River-Siskiyou National Forest, Siskiyou Mountains, ridge above Echo Lake. 1790 Comment
  UC1045263  Boechera sparsiflora Reed Rollins 1940-7-26 15365 Siskiyou Diller Canyon Mount Shasta 1828 Comment
  UC165988  Boechera sparsiflora Geo. D. Butler 1910-5-5 1282 Siskiyou Humbug Mountain Comment
  SEINET3132288  Boechera stricta G. D. Butler 1900-7-8 1164 Siskiyou Dryland, Loy Lake, Shackleford Creek. 1219 Comment
  CAS-BOT-BC25917  Boechera suffrutescens John Thomas Howell 1939-8-2 14941 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  UC1159805  Bolboschoenus maritimus Edward J. O'Neill 1965-9-18 Siskiyou Tulelake Fish and Game Wildlife Refuge Comment
  HSC60120  Boschniakia strobilacea M. A. Baker 1978-5-20 584 Siskiyou 3 km N of Somes Bar Comment
  CAS-BOT-BC418464  Boykinia major John Thomas Howell 1937-7-25 13464 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CHSC1632  Boykinia major M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  HSC67713  Boykinia major John Palmer 1980-7-24 613 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  POM92218  Boykinia major Geo. D. Butler 1908-8-22 217 Siskiyou Salmon Mtn. 1677 Comment
  RSA602826  Boykinia major Louis C. Wheeler 1958-8-21 7419 Siskiyou Siskiyou Mountains. Head of Hell's Canyon. Comment
  SEINET10904152  Boykinia major Mary Susan Taylor 1980-7-8 Taylor 3105 Siskiyou T39N R5W ne sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on NW side of Castle Lake, along edge of lake. 1615 Comment
  UC1211915  Boykinia occidentalis Roy L. Taylor 1960-6-12 4449 Siskiyou on Hwy 96, 46.5 mi sw of Happy Camp bridge over Klamath River; sw of bridge over Klamath River Comment
  POM147663  Brickellia greenei Alice Eastwood 1912-8-30 2093 Siskiyou Mount Eddy Comment
  SEINET8401322  Brodiaea elegans L. E. Detling 1959-6-8 8225 Siskiyou Scott River near Scott Bar. 579 Comment
  SBBG15560  Brodiaea elegans subsp. elegans D. Myrick 1961-6-21 294 Siskiyou Hwy 99, just S of Yreka 914 Comment
  JEPS73754  Bromus carinatus var. carinatus Geo. D. Butler 1909-6-2 814 Siskiyou near Yreka Comment
  UC1265358  Bromus carinatus var. carinatus F. W. Oettinger and R. F. Thorne 1969-8-4 1154 Siskiyou below Sundew Bog (English Lake, Salmon Mountains, western Siskiyou County); Salmon Mountains, English Lake 1828 Comment
  UC70745  Bromus carinatus var. carinatus T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou in the Scott River Valley Scott River Valley Comment
  CAS-BOT-BC148793  Bromus carinatus var. marginatus K. T. Stillman 1976-7-15 248 Siskiyou Marble Mountain Wildneress Area. Comment
  UCD59193  Bromus carinatus var. marginatus Geo. D. Butler Date Unknown 844 Siskiyou Near Yreka. Comment
  UCD59216  Bromus carinatus var. marginatus R. Tofsrud 1948-8-1 s.n. Siskiyou Near summit of road from Happy Camp to O'Brien, Oregon. 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
  UC70705  Bromus inermis subsp. inermis Jos. Burtt Davy June 1902 Siskiyou Sisson Comment
  UCD58853  Bromus inermis subsp. inermis Al Franklin 1987-7-10 87 -29 Siskiyou Flank of Everitt shield volcano, near Mt. Shasta. 1609 Comment
  RSA211238  Bromus marginatus William J. Ferlatte 1966-6-23 138 Siskiyou along the Yellow Rose Mine Trail. 1677 Comment
  CAS-BOT-BC162134  Bromus orcuttianus A. A. Heller 1905-6-13 8026 Siskiyou Near Shasta Springs. Comment
  UC164917  Bromus orcuttianus Geo. D. Butler 1908-7-20 469 Siskiyou Humbug Creek Comment
  CAS-BOT-BC185605  Bromus tectorum L. R. Short 1933-6-16 49 Siskiyou Klamath Forest. Badger Creek. 762 Comment
  JEPS107670  Bromus tectorum Lowell Ahart, John Dittes 2005-6-9 12010 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  HSC69271  Bromus vulgaris Maralyn A. Renner 1980-7-24 1996 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  HSC95754  Calamagrostis breweri Gordon Leppig 1998-8-14 1037 Siskiyou Klamath National Forest, Little Duck Lake Fen, Russian Wilderness, SW of Little Duck Lake 2073 Comment
  RSA239128  Calamagrostis koelerioides Frederick W. Oettinger 1969-9-3 683 Siskiyou West of Horse Range Lake, northwest of Horse's Hole Pond. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  RSA758079  Calamagrostis koelerioides Barbara Ertter 1990-7-14 9305 Siskiyou East side of Mount Eddy about 4 air miles due west of Mount Shasta City, at streamlet near end of Forest Road 41N53, about 1 mile north of Morgan Meadows 1677 Comment
  UC1108541  Calamagrostis koelerioides Ira L. Wiggins 1955-7-27 13558 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  UC869391  Callitriche verna Louis C. Wheeler 1935-6-13 3568 1/2 Siskiyou Greenview; Scott Valley 883 Comment
  RSA237959  Callitriche verna Frederick W. Oettinger 1969-8-24 1519 Siskiyou Inlet of upper English Lake. Salmon Mtns.; High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  HSC19310  Callitropsis nootkatensis J. O. Sawyer 1968-9-9 646 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  CAS-BOT-BC85733  Calocedrus decurrens H. A. Thomas; J. H. Thomas 1954-7-27 4558 Siskiyou Salmon - Trinity Mts. about 6 miles SE of Cecilville. Between Mt. Veiw Cabin and S. Fork of Salmon River. 944 Comment
  CAS-BOT-BC85749  Calocedrus decurrens C. Hart Merriam 1907-9-15 s.n. Siskiyou Near Hat Creek (between Snell's and Eldredge's. Comment
  NY18935  Calocedrus decurrens E. B. Copeland 1903-8-13 3913 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UC618672  Calochortus coeruleus unknown 1938-7-1 11154 Siskiyou above Bear Spring; Mount Shasta Comment
  UC705741  Calochortus elegans Marion Ownbey and D. H. Brown 1941-6-23 2429 Siskiyou mountains w Yreka (on ridge near Gunsight Peak) Comment
  CDA39290  Calochortus elegans var. nanus T. R. Haig & F. D. Horn 1978-5-31 s.n. Siskiyou Site of Deadwood Lookout, Fort Jones. 0 Comment
  RSA37455  Calochortus elegans var. nanus Marion Ownbey, D. H. Brown 1941-6-23 2429 Siskiyou On ridge near Gunsight Peak, Mountains W of Yreka. Comment
  CHSC2237  Calochortus macrocarpus V. Holt 1932-7-11 Siskiyou Haystack Butte. Comment
  CAS-BOT-BC483440  Calochortus macrocarpus Peter H. Raven 1956-8-11 10067 Siskiyou 9.6 miles south of turnoff to Bray on U.S. Highway 97 Comment
  CHSC2232  Calochortus nudus N. Jaekel 1939-7-6 Siskiyou Castle Lake. 1981 Comment
  CHSC41224  Calochortus nudus J. D. Jokerst 1983-7-6 1834 Siskiyou Ca. 5.0 miles north of Pondosa (N of Hwy. 89), ca. 1.0 mile west of Sand Flat Well. Comment
  CHSC71611  Calochortus nudus Vernon H. Oswald; Lowell Ahart 1998-8-3 9443 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. West of Kangaroo Lake. 1981 Comment
  HSC583  Calochortus nudus William J. Ferlatte 1967-6-30 587 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  CAS-BOT-BC493099  Calochortus nudus Eastwood; Miss E. Cannon 1895-6-17 s.n. Siskiyou Shasta Comment
  UC423005  Calochortus nudus Annie M. Alexander and Louise Kellogg 1911-7-16 249 Siskiyou South Fork Salmon River 1524 Comment
  SEINET8339365  Calochortus persistens Frank Callahan 2007-6-18 Siskiyou Little Cottonwood Peak; ca. 13 miles south of the Oregon State Line. 1500 Comment
  CAS-BOT-BC181512  Caltha leptosepala Annie M. Alexander; Louise Kellogg 1949-7-28 5879 Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  CAS-BOT-BC273388  Calycadenia fremontii David D. Keck 1938-8-7 4851 Siskiyou Schoolhouse Hill, 5.5 m. NE of Callahan, on road to Gazelle 1100 Comment
  HSC26561  Calyptridium monospermum J. P. Smith, J. O. Sawyer 1972-8-20 5753 Siskiyou Slope of Mt. Hoffman 2134 Comment
  HSC58959  Calyptridium monospermum Gilbert Muth 1976-7-26 Siskiyou Near Poker Flat, close to the town of Happy Camp 1561 Comment
  SBBG30589  Calyptridium umbellatum D. Myrick 1968-6-27 2043 Siskiyou trail to Lake Josephine above Carter's Ranch, 5 mi S of Big Flat, head of Coffee Crk 1828 Comment
  UC528036  Calyptridium umbellatum Elmer I. Applegate 1923-8-18 3848 Siskiyou Medicine Lake Comment
  UC922355  Calyptridium umbellatum Annie M. Alexander and Louise Kellogg 1949-7-21 5826 Siskiyou hill n of Paradise Lake (Marble Mountains); Marble Mountains 1920 Comment
  UCD13284  Calystegia malacophylla K. F. Mawdsley 1996-7-10 18 c Siskiyou California, Siskiyou County. Trail from Castle Lake Trailhead to Little Castle Lake, T 39N R 4W, NW 1/4 of Section 19, Seven Lakes Basin 7.5 topo. Elevation 5800.. Comment
  HSC6614  Camelina microcarpa L. C. Wheeler 1934-6-10 2672 Siskiyou Siskiyou Mtns., Hungry Creek 1098 Comment
  CHSC78257  Camissonia contorta Vernon H. Oswald 2000-6-5 9926 Siskiyou Butte Valley National Grassland between Macdoel and Dorris, on the north side of Meiss Lake-Sams Neck Road 0.6 mi west of Hwy. 97. 1295 Comment
  SEINET10462858  Campanula prenanthoides Butler 1971-8-11 BUTLER 297 Siskiyou NEAR EL CAPITAN LAKE, PRESON PEAK QUAD. NR CAVE JCT 5200 Comment
  SEINET10462935  Campanula prenanthoides Clifton 1979-6-26 CLIFTON 5960 Siskiyou NR MERRILL CR., FORKS OF SALMON QUAD. NR ORLEANS 1152', COBBLY SOIL Comment
  SEINET11262424  Campanula prenanthoides Alv Dan Youngberg 1964-7-19 49 Siskiyou West Branch Guard Station. Humbolt Meridian.; 0 671 Comment
  SEINET10463095  Campanula prenanthoides Kelsey Kelsey s.n. Siskiyou Marble Mountains, Skyline Lake Comment
  SEINET10463153  Campanula prenanthoides John T. Witherspoon 1977-8-10 Witherspoon s.n. 1977 Siskiyou 2 miles up Forest Service road 12N13 West of Bald Butte. T12N R6E Sec. 11 610 Comment
  SEINET10463303  Campanula prenanthoides Cyrus G. Pringle 1881-8-16 Pringle s.n. Siskiyou DRY WOODS Comment
  SEINET10972061  Campanula prenanthoides James P. Smith, Steven B. Selva 1970-6-15 Smith, Jr. 3899 Siskiyou OAK BOTTOM CAMPGROUND NR SOMES BAR. T11N R6E SEC. 2 229 Comment
  SEINET10463395  Campanula scabrella Clifton 1978-7-26 CLIFTON 6421 Siskiyou Near deadfall, on the China Mountain quadrangle, close to the town of Mount Shasta 2341 Comment
  SEINET10939052  Campanula scouleri Edwin B. Copel 1903-8-17 Copeland 3911 Siskiyou MT. EDDY 1311 Comment
  CAS-BOT-BC37191  Capsella bursa-pastoris A. A. Heller 1916-6-20 12417 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy. 1188 Comment
  HSC78220  Capsella bursa-pastoris L. P. Janeway 1983-8-28 648 Siskiyou Poker Flat 1529 Comment
  CAS-BOT-BC37232  Cardamine bellidifolia Marion Ownbey; Fred G. Meyer 1940-7-4 2187 Siskiyou On ridge above head of Brewer Creek, east side of Mount Shasta. Comment
  CAS-BOT-BC37315  Cardamine breweri William Bridge Cooke 1939-6-23 13508 Siskiyou Mount Shasta. Along the creeks in Bear Springs. 1524 Comment
  CAS-BOT-BC37747  Cardamine californica L. E. Smith 1915-4-25 13272 Siskiyou Sisson. Comment
  CAS-BOT-BC37748  Cardamine californica J. H. Thomas 1954-5-13 4140 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River 5 to 9 miles southeast of Cecilville. 1066 Comment
  POM95829  Cardamine californica var. integrifolia Geo. D. Butler 1909-4-11 649 Siskiyou Shasta Springs. Comment
  HSC40061  Cardamine oligosperma J. P. Smith, Steve Selva 1970-6-15 3955 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  CAS-BOT-BC17965  Carex angustata W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow. Comment
  UCD140097  Carex angustata A. A. Heller 1920-7-6 13409 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1158 Comment
  CHSC98896  Carex breweri L. P. Janeway; B. Castro 2007-7-29 9141 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, very steep north-facing slope near the top of the northwest-trending shoulder. 2054 Comment
  SEINET10648314  Carex breweri A. Arthur Heller 1922-7-3 Heller 13679 Siskiyou Wet gravel above the head of Wagon Creek, Mount Eddy in the Hudsonian Zone. 2560 Comment
  CAS-BOT-BC34885  Carex deflexa var. boottii John Thomas Howell 1937-7-25 13476 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CHSC40198  Carex echinata subsp. echinata L. P. Janeway 1983-7-31 473 Siskiyou At Poker Flat. 1524 Comment
  CAS-BOT-BC19900  Carex echinata subsp. phyllomanica David D. Keck 1949-7-20 6361 Siskiyou Scott Mountain Summit. At Trinity County line. 1633 Comment
  CAS-BOT-BC19919  Carex epapillosa Alice Eastwood 1921-7-28 10940 Siskiyou Medicine Lake. Comment
  CAS-BOT-BC19920  Carex epapillosa Alice Eastwood 1921-7-28 10955 Siskiyou Medicine Lake. 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
  UC397125  Carex feta Geo. D. Butler 1910-6-6 1460 Siskiyou Quartz Valley Comment
  CAS-BOT-BC20746  Carex fracta William Bridge Cooke 1938-7-15 11263 Siskiyou Mt. Shasta. 1737 Comment
  CAS-BOT-BC20751  Carex fracta Rimo Bacigalupi 1959-7-1 7209 Siskiyou Western Slopes at broadening base of Mt. Shasta. 1676 Comment
  CHSC109948  Carex geyeri Peter F. Zika; Julia Nelson 2012-6-21 25906 Siskiyou Klamath Range. Ridge above South Fork Willow Creek, 9 air km ENE of Gazelle Mountain, Shasta-Trinity National Forest, FS Road 42N42Y, 0.25 road miles E of junction with 42N19. 1665 Comment
  CAS-BOT-BC20469  Carex halliana Alice Eastwood 1921-7-28 10943 Siskiyou Medicine Lake. Comment
  HSC89763  Carex halliana D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar, vicinity of Haypress Meadows 1372 Comment
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Sep 21 2012
  UC1584274  Carex hoodii Julia Kierstead Nelson 1990-5-8 90 -60 Siskiyou Lower Falls McCloud River 975 Comment
  CAS-BOT-BC7599  Carex inops subsp. inops L. E. Smith 1913-4-29 s.n. Siskiyou McCloud 986 Comment
  CAS-BOT-BC7826  Carex inops subsp. inops J. W. Stacey 1940-7-12 15333 Siskiyou Along the Memorial Highway. 1371 Comment
  CHSC109983  Carex interior Peter F. Zika; Barbara Wilson 2011-7-31 25669 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
  HSC97430  Carex jonesii Jennifer Whipple 1978-10-6 2432 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CHSC40191  Carex laeviculmis L. P. Janeway 1983-8-13 528 Siskiyou On s side and above S Fk Indian Cr. 1432 Comment
  UC1265331  Carex laeviculmis Frederick W. Oettinger 1969-8-19 1458 Siskiyou Abbott's Basin Salmon Mountains, Marble Mountain Wilderness Area 1905 Comment
  UC1265338  Carex laeviculmis Frederick W. Oettinger and R. F. Thorne 1969-8-4 1179 Siskiyou just n Tobacco lake; Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  SEINET7564650 Image available Carex lenticularis var. lipocarpa Frederick W. Oettinger 1968-9-9 801 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, Tom's Lake. 2012 Comment
  UC1026162  Carex mariposana Louis C. Wheeler 1934-7-21 3014 Siskiyou head Jaynes Canyon; Siskiyou Mts. Comment
  RSA237263  Carex mariposana Frederick W. Oettinger 1968-9-6 735 Siskiyou Trail northeast of Tom s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  RSA237317  Carex mertensii Frederick W. Oettinger 1969-9-4 1650 Siskiyou Tobacco Lake Meadow. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UC195518  Carex multicaulis Geo. D. Butler 1909-5-30 856 Siskiyou Humbug Mountain Comment
  JEPS84067  Carex multicaulis L. R. Heckard with J. Hickman, S. D'Alcamo 1986-7-17 6484 Siskiyou e Cook and Green Pass (w ridge of Cooper Butte); Cooper Butte 1554 Comment
  SEINET10713499  Carex multicaulis A. Arthur Heller 1922-7-3 Heller 13675 Siskiyou Dry gravelly slope on Mt. Eddy south of Wagon creek in the Canadian zone. 2225 Comment
  HSC85798  Carex multicostata L. P. Janeway 1983-9-11 678 Siskiyou Poker Flat 1524 Comment
  HSC76673  Carex multicostata K. T. Stillman 1976-7-21 282 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  JEPS101086  Carex nervina Dean W. Taylor 1987-8-5 9222 Siskiyou Tate Creek, at crossing of Forest Road 36N06 1484 Comment
  RSA237224  Carex nigricans Frederick W. Oettinger 1968-8-2 358 Siskiyou East end of Diamond Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  RSA237285  Carex nigricans Frederick W. Oettinger 1969-9-4 1658 Siskiyou Tom s Lower Pond. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  CAS-BOT-BC119471  Carex nudata D. E. Breedlove 1962-6-10 3321 Siskiyou On the N bank of the Klamath River at its junction with Goff Creek, 4 mi W of Seiad. 411 Comment
  CHSC40157  Carex nudata L. P. Janeway 1983-6-25 337 Siskiyou Along west side Klamath Rover at Swillup Creek. 243 Comment
  HSC79282  Carex nudata L. P. Janeway 1984-6-22 865 Siskiyou Along the E Fork Scott River at Hwy. 3 bridge just E of Callahan 988 Comment
  HSC76396  Carex nudata L. P. Janeway 1982-7-3 46 Siskiyou At Ferry Point, W side of Klamath River 290 Comment
  JEPS74521  Carex pachycarpa W. J. Ferlatte 1966-6-22 115 Siskiyou Josephine Lake Basin 1676 Comment
  SEINET4292080 Image available Carex pachycarpa Unknown 2006-1 8738 Siskiyou Klamath Ranges. Salmon Mountains; slope on south side of South Fork Salmon River 0.5 km west of Carter Meadows Summit Deadman Peak 7.5' quad. Comment
  CHSC118258  Carex pachycarpa R. E. Brainerd; N. Otting 2013-7-12 2189 Siskiyou Klamath Mountains. Lower Big Meadow, ca. 0.2 mile southwest of Big Meadow Trailhead, 6.7 air miles west of Oro Fino. UTM Zone 10 495857E 4604306N WGS84. 1981 Comment
  CAS-BOT-BC119204  Carex pachystachya Doris K. Kildale 1929-7-20 8694 Siskiyou Raspberry Lake, South Fork of Indian Creek. 1828 Comment
  CAS-BOT-BC118936  Carex pellita W. R. Dudley 1905-8-3 s.n. Siskiyou Upper Sacramento below Weed and Sheldon Hill. Comment
  JEPS107832  Carex praegracilis Lowell Ahart, John Dittes 2005-6-10 12083 Siskiyou West edge of a water ditch, pipe discharge, pasture, about 90 yards east of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
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Mar 10 2008
  RSA577426  Carex praegracilis L. C. Wheeler 1935-6-30 3633 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  CHSC43993  Carex rossii L. P. Janeway 1983-8-7 525 Siskiyou Along S. Fk. Indian Cr. Rd (17N32) ca 17 miles from Indian Cr. Rd. 1402 Comment
  HSC89793  Carex rossii D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta 1829 Comment
  CDA33140  Carex rossii D. Osterhandt 1977-6-29 Siskiyou Forest plantation, Klamath National Forest, near Weed. 0 Comment
  HSC30528  Carex scopulorum Frederick W. Oettinger 1969-8-19 1455 Siskiyou Marble Mtn. Wilderness Area, Abbott's Basin 1905 Comment
  RSA238969  Carex scopulorum Frederick W. Oettinger 1969-8-19 1455 Siskiyou Abbott s Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  CAS-BOT-BC28344  Carex scopulorum var. bracteosa John Thomas Howell 1939-8-10 15281 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC28343  Carex scopulorum var. bracteosa A. A. Heller 1922-7-3 13673 Siskiyou Wet soil along Wagon Creek on Mt. Eddy. 2194 Comment
  HSC76946  Carex spectabilis K. T. Stillman 1976-7-14 232 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  HSC39289  Carex spectabilis J. O. Sawyer 1969-7-9 1238 Siskiyou Steep hillside above S Sugar Lake 2134 Comment
  JEPS103117  Carex straminiformis L. P. Janeway 2002-7-13 7639 Siskiyou High Cascade Range. 1.0 km west of the western edge of Medicine Lake; 0.2 km southeast of Road 43N48 on west side of the road to a cinder pit 2079 Comment
  HSC91405  Carex vesicaria Jennifer Whipple 1978-10-6 2422 Siskiyou Dale Creek drainage on the N face of Mount Eddy 2195 Comment
  RSA783708  Carex viridula subsp. viridula Barbara L. Wilson, Richard E. Brainerd 2010-8-10 16311 Siskiyou Klamath National Forest: along road 41N03, 3.3 mi from road 2H001. 1705 Comment
  CAS-BOT-BC59703  Cassiope mertensiana Louis C. Wheeler 1934-8-17 3178 Siskiyou Klamath Forest. White Mountain. 1828 Comment
  CAS-BOT-BC59704  Cassiope mertensiana Doris K. Kildale 1929-7-20 8582 Siskiyou E. spur of Preston Peak above Rockefeller Lake. 2133 Comment
  LA41290  Cassiope mertensiana John Thomas Howell; 1937-7-25 13443 Siskiyou Caribou Basin, Salmon-Trinity Alps 1981 Comment
  RSA211456  Cassiope mertensiana subsp. ciliolata William J. Ferlatte 1967-7-25 733 Siskiyou Caribou Basin. Trinity Alps. 1982 Comment
  JEPS5215  Castilleja angustifolia Geo. D. Butler 1904-5-23 759 Siskiyou near Yreka Comment
  RSA316749  Castilleja angustifolia Patricia Wilder 1965-9-29 4197 -a Siskiyou Lava Beds National Monument; on path leading to top of Schonchin Butte. Tule Lake drainage area. 1494 Comment
  POM298035  Castilleja applegatei subsp. pinetorum A. A. Heller 1916-6-20 12398 Siskiyou Metcalfe Ranch, n.e. of Mt. Eddy. 1189 Comment
  UC163705  Castilleja applegatei subsp. pinetorum Geo. D. Butler 1910-5-1 1255 Siskiyou near Yreka Comment
  RSA425928  Castilleja applegatei subsp. pinetorum M. B. Dunkle 1944-6-26 9046 Siskiyou Siskiyou National Forest. Coastal Northern California. Comment
  UCR136766  Castilleja applegatei var. fragilis E. E. Stanford 1930-6-15 1590 Siskiyou Near Shasta City 1098 Comment
  CAS-BOT-BC243765  Castilleja applegatei var. pinetorum Elmer I. Applegate 1935-8-3 10016 Siskiyou North slope of Caldwell Butte, Lava Beds National Monument Comment
  CAS-BOT-BC243752  Castilleja applegatei var. pinetorum Doris K. Kildale 1929-6-22 8036 Siskiyou WEst base of Black Butte near Mt. Shasta Comment
  JEPS4830  Castilleja arachnoidea W. L. Jepson 1894-8-4 21470 Siskiyou Horse Camp Mount Shasta Comment
  POM259363  Castilleja arachnoidea subsp. schizotricha J. T. Howell 1939-8-8 15182 Siskiyou Marble Mountains: Black Mountain. Comment
  UCD122133  Castilleja brevilobata Jack Major; M. Fleschner and R. Pemble 1966-9-4 s.n. Siskiyou Northeast face of Marble Mountain, Marble Mountains. 2225 Comment
  HSC64583  Castilleja lacera J. O. Sawyer 1979-5-26 3362 Siskiyou Along Hwy. 3 on N side of Scott Mtn. 1341 Comment
  CAS-BOT-BC254012  Castilleja miniata Geo. D. Butler 1909-6-23 929 Siskiyou Goosenest foothills Comment
  CAS-BOT-BC254101  Castilleja miniata John Thomas Howell 1937-7-22 13293 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  JEPS74146  Castilleja miniata J. M. Tucker 1974-7-27 4304 Siskiyou on bank Haypress Creek (Haypress Meadows); Marble Mountain Wilderness Area, Haypress Meadows 1463 Comment
  JEPS9772  Castilleja miniata Geo. D. Butler 1908-8-10 424 a Siskiyou Shackleford Creek Comment
  UC1409380  Castilleja miniata Frederick W. Oettinger 1968-8-6 424 Siskiyou se corner Hancock Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  UC1552689  Castilleja miniata Steve Morgan 1987-7-28 Siskiyou 5 mi nw McCloud (McGinnis Springs, s of Mt. Shasta); Shasta-Trinity National Forest, McGinnis Springs 1767 Comment
  UC618701  Castilleja miniata unknown 1938-9-8 11606 Siskiyou on talus beside Little Red Butte; Mount Shasta Comment
  SBBG30609  Castilleja miniata subsp. miniata D. Myrick 1968-6-25 2020 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  CAS-BOT-BC241053  Castilleja pilosa David D. Keck 1940-6-13 5171 Siskiyou 1 mi. S.W. of Grass Lake 1525 Comment
  RSA0005952  Castilleja pinetorum var. fragilis E. B. Copeland 1903-8-14 3883 Siskiyou Sisson. Comment
  UC163703  Castilleja pruinosa Geo. D. Butler 1910-5-15 1340 Siskiyou Greenhorn Mountain 1066 Comment
  UC922482  Castilleja pruinosa Annie M. Alexander and Louise Kellogg 1949-7-29 5898 Siskiyou above Sky High Lake (trail to Hidden Lake); Marble Mountains, Sky High Valley 1767 Comment
  RSA700165  Castilleja pruinosa Noel Holmgren, James L. Reveal 1966-6-9 2674 Siskiyou Siskiyou mountains, O'Brien-Happy Camp road, 15 miles north of Happy Camp (Indian Creek drainage). 960 Comment
  CAS-BOT-BC482442  Castilleja schizotricha Dana York 2011-8-12 3047 Siskiyou Marble Mountain Wilderness, Klamath National Forest, E-facing slope of Marble Mountain 2055 Comment
  CAS-BOT-BC48387  Ceanothus cuneatus John Thomas Howell 1939-7-31 14859 Siskiyou Scott Valley near Fort Jones Comment
  CAS-BOT-BC48388  Ceanothus cuneatus Lewis S. Rose 1945-6-22 45161 Siskiyou Walker, Klamath River 533 Comment
  HSC45163  Ceanothus cuneatus J. O. Sawyer, E. Cope 1977-6-19 2956 Siskiyou Clear Creek Trail between Preston Creek and Trout Camp 915 Comment
  CAS-BOT-BC50245  Ceanothus integerrimus W. B. C. 1940-6-6 15030 Siskiyou along the Castle Lake road in the brush fields about half way from the Box Canyon to the lake 1371 Comment
  HSC42900  Ceanothus integerrimus J. O. Sawyer, Ken Stillman 1976-5-29 2733 Siskiyou Junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  CAS-BOT-BC50683  Ceanothus integerrimus var. macrothyrsus K. L. Chambers 1967-6-22 2855 Siskiyou Siskiyou Mountains: rocky knoll ca. 500 ft. above and east of the freeway (Hwy. 5) at the Hilts exit, Siskiyou Pass 1097 Comment
  CAS-BOT-BC50684  Ceanothus integerrimus var. macrothyrsus G. P. Rixford s.n. Siskiyou South side of Shaft-Rock Mt. Hilt Comment
  RSA95333  Ceanothus integerrimus var. macrothyrsus E. E. Stanford 1930-6-15 1586 Siskiyou 1 mile north of Dunsmuir. Comment
  POM126443  Ceanothus integerrimus var. puberulus Lewis C. Rosenbaum 1916-7-7 s.n. Siskiyou Shasta Springs. Comment
  HSC100191  Ceanothus prostratus J. P. Smith, & J. O. Sawyer 2011-9-4 13411 Siskiyou Montague- Ball Mountain-Little Shasta Road (County Road 7K007). 1192 Comment
  UC1299591  Ceanothus prostratus Freed W. Hoffman 1948-7-9 2573 Siskiyou Waldo-Happy Camp Road 6.5 mi n West Branch Public Camp; North Coast Ranges, Waldo-Happy Camp Road Comment
  UCD77491  Ceanothus prostratus Robert E. Preston 2001-7-21 1737 Siskiyou Klamath National Forest, Rainbow Mountain, T42N R1W se 1/4 of ne 1/4 Section 22 2194 Comment
  RSA233696  Ceanothus prostratus Robert F. Thorne 1969-8-10 38946 Siskiyou Mt. Shasta National Forest: Southwest slope of Mt. Shasta along Ski Bowl Road. 1280 Comment
  HSC100195  Ceanothus sanguineus J. P. Smith, & J. O. Sawyer 2011-9-5 13418 Siskiyou Along Klamath National Forest Road 45N28. 1378 Comment
  SBBG83931  Ceanothus sanguineus R. Gankin, R. Hildreth 1967-10-27 1182 Siskiyou 2.6 Rd mi from Lafayette Pt on USFS Rd 39N04 off Black Bear Rd between Sawyers Bar and Cecilville 1706 Comment
  UC650649  Ceanothus sanguineus Oliver V. Matthews 1939-6-7 13 Siskiyou Mohawak Mine Frog Pond Trail 1219 Comment
  CAS-BOT-BC63156  Ceanothus velutinus Miss Kilbourn 1923-7-1 1214 Siskiyou Near Sisson. Comment
  LA45114  Ceanothus velutinus Wm. Bridge Cooke; 1939-7-14 13692 Siskiyou Mount Shasta, along the Sisson Southern Trail 1523 Comment
  RSA12597  Ceanothus velutinus Carl B. Wolf 1934-7-6 5989 Siskiyou 3 mi. from Mt. Shasta City on Wagon Camp Road. SW slope of Mt. Shasta. 1220 Comment
  SJSU6540  Ceanothus velutinus R. W. Trivelpiece 1973-6-22 154 Siskiyou on trail to Big Duck & Little Duck L, Scott R drainage c. 7 mi W of Callahan 1920 Comment
  UC1409313  Ceanothus velutinus Frederick W. Oettinger 1968-8-10 469 Siskiyou on e side Hancock Lake ((high lake basins in vicinity of English Peak)); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  CDA15535  Ceanothus velutinus var. laevigatus G. F. Hrusa 1998-7-5 14703 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 8.8. Comment
  CAS-BOT-BC52840  Ceanothus velutinus var. velutinus A. A. Heller 1905-6-16 8046 Siskiyou Near Sisson, along the Mt. Shasta trail at perhaps 5000 feet 1524 Comment
  HSC64657  Ceanothus velutinus var. velutinus J. O. Sawyer 1977-7-6 3020 Siskiyou South of Little Duck Lake 2134 Comment
  HSC49903  Centaurea cyanus Maralyn O'Meara 1974-5-25 441 Siskiyou On Road 8, 2.4 miles W of junction with Hwy. 3 915 Comment
  CAS-BOT-BC272122  Centaurea cyanus John H. Thomas 1969-9-7 15467 Siskiyou Near railroad tracks, McCloud Comment
  RSA190715  Centaurea maculosa T. C. Fuller 1967-8-15 16263 Siskiyou Roadside, N side of Hwy 97 (Weed to Macdoel), W of R.R. spur at Grass Lake Comment
  UCD69156  Centaurea solstitialis Eva Grotkopp 1997-8-2 s.n. Siskiyou Northwest of Yreka, near Hawkinsville, along Canal Gulch Rd. Disturbed site near garbage dump. Growing with Centaurea squarrosa and C. solstitialis. 1000 Comment
  UC1045260  Cephalanthera austiniae W. Bridge Cooke 1940-7-5 15226 Siskiyou near Bear Springs Mt. Shasta Comment
  JEPS64315  Cephalanthera austiniae W. L. Jepson 1902-7-22 2090 a Siskiyou trail from Salmon Forks Salmon Summit; w. Siskiyou, Salmon Summit 1981 Comment
  CAS-BOT-BC384980  Cerastium dichotomum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53387 Siskiyou Yreka 792 Comment
  UCD98001  Cerastium dichotomum T. C. Fuller 1962-5-18 8746 Siskiyou B. M. Long prop., Little Shasta Road, 5 miles east of Montague. Comment
  HSC68011  Cerastium fontanum subsp. vulgare J. P. Smith, Steve Selva 1970-6-16 4071 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  UCD112962  Cercocarpus betuloides Collector Unknown Date Unknown s.n. Siskiyou Siskiyou County. Exact location unknown. Comment
  UC718144  Cercocarpus betuloides var. betuloides Carl B. Wolf 1934-7-5 5975 Siskiyou 4 mi from Oak Knoll Ranger Station (on Klamath River, on road to Dry Lake Lookout); Siskiyou Mountains, Klamath River 1066 Comment
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Mar 29 2012
  RSA611268  Cercocarpus ledifolius Louis C. Wheeler 1935-7-4 3654 Siskiyou Yreka Creek. 884 Comment
  SEINET6332023  Cercocarpus ledifolius var. intermontanus G. D. Butler 1910-4-10 1166 Siskiyou Near Yreka Comment
  CAS-BOT-BC148529  Cercocarpus ledifolius var. ledifolius Ira L. Wiggins 1950-5-28 12377 Siskiyou Serpentine ridge just above Grouse Lake, headwaters of Grouse Creek 1828 Comment
  CAS-BOT-BC276776  Chaenactis douglasii var. douglasii Gilbert Muth 1969-8-6 1252 Siskiyou Boulder Peak Ridge Comment
  HSC82203  Chaenactis douglasii var. douglasii Thomas W. Nelson, Jane P. Nelson 1980-7-5 5968 Siskiyou Fowler's Campground 1006 Comment
  POM351689  Chaenactis douglasii var. douglasii E. E. Stanford 1930-6-15 1592 Siskiyou Near Shasta City Comment
  CAS-BOT-BC106039  Chaenactis suffrutescens H. M. Hall; E. B. Babcock 1903-6-1 4081 Siskiyou Upper part of Shasta Valley - Mount Shasta 1158 Comment
  CHSC83136  Chaenactis suffrutescens Donald W. Kyhos 1965-7-23 65 -278 Siskiyou 50 yards west of junction of Kidder Creek Bridge and Hwy 3 at Greenview. At edge of Kidder Creek. Comment
  JEPS8879  Chaenactis suffrutescens W. L. Jepson 1907-7-4 2809 Siskiyou Scott Valley Comment
  MACF017396  Chamaecyparis Trudy R. Ericson 1974-8-8 218 Siskiyou About 17 mi. northwest of Happy Camp on road to Cave Junction, Oregon Comment
  HSC69735  Chamaecyparis lawsoniana Maralyn A. Renner 1980-6-26 1282 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  RSA571805  Chamaesyce serpillifolia W. Bridge Cooke 1941-9-5 16258 Siskiyou Along the Memorial Highway, Mt. Shasta. 1372 Comment
  SBBG25916  Chamaesyce serpillifolia subsp. serpillifolia D. Myrick 1966-8-9 1511 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  UC637173  Cheilanthes gracillima Edward Lee 1934-8-14 1108 Siskiyou summit Little Grayback 1868 Comment
  JEPS59737  Chenopodium botrys Willis L. Jepson 1894-8-9 14859 Siskiyou near Shasta Sprs.; Region of the Upper Sacramento, Horseshoe Bend Comment
  CLARK-A1528-7840  Chenopodium vulvaria John C. Roos 1948-9-1 3985 Siskiyou Fort Jones Comment
  CAS-BOT-BC451435  Chimaphila menziesii Wm. Bridge Cooke 1938-8-5 11458 Siskiyou Mount Shasta: along the Sisson Southern Trail 1828 Comment
  CAS-BOT-BC452265  Chimaphila umbellata L. E. Smith 1912-8-1 s.n. Siskiyou Mt. Shasta Comment
  CAS-BOT-BC452278  Chimaphila umbellata Doris K. Kildale 1929-7-20 8629 Siskiyou Trail up South Fork Indian Creek to Elk Lick elev. Comment
  RSA605356  Chimaphila umbellata subsp. occidentalis L. C. Wheeler 1959-7-25 7596 b Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  CAS-BOT-BC497626  Chlorogalum angustifolium Lewis S. Rose 1945-6-22 45178 Siskiyou Horse Creek & Klamath River 502 Comment
  CDA3725  Chorispora tenella T. C. Fuller 1962-5-18 8748 Siskiyou Epperson property, 3.5 miles northwest of Gazelle. 0 Comment
  CDA15533  Chrysolepis chrysophylla var. chrysophylla G. F. Hrusa 1998-7-5 14701 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 8.8. Comment
  HSC67748  Chrysolepis sempervirens J. O. Sawyer, J. Cole 1980-7-20 3807 Siskiyou E side of Grouse Hill 2134 Comment
  POM106432  Chrysolepis sempervirens Edward Palmer 1892-7-13 2562 Siskiyou Mt. Shasta and vicinity. Comment
  SEINET7450592 Image available Chrysopsis oregona G. D. Butler 1910-7-16 1790 Siskiyou Oro Fino Comment
  HSC2234  Chrysothamnus viscidiflorus subsp. viscidiflorus Geo. D. Butler 1910-7-20 1731 Siskiyou Goosenest 1524 Comment
  UC1048584  Chrysothamnus viscidiflorus subsp. viscidiflorus Lewis S. Rose 1941-8-28 41427 Siskiyou Dorris 1291 Comment
  UCD127361  Cicuta douglasii P. B. Kennedy 1922-8-22 s.n. Siskiyou Fritz Young Ranch, Scott Valley. Comment
  UC157918  Circaea alpina subsp. pacifica Milo S. Baker 1898-8-1 494 Siskiyou Payne's Springs Comment
  UC165434  Cirsium arvense Geo. D. Butler 1909-10-3 975 Siskiyou Comment
  CHSC91258  Cirsium cymosum Lowell Ahart; John Dittes 2005-6-10 12126 Siskiyou 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
  UC165436  Cirsium cymosum var. cymosum Geo. D. Butler 1910-5-20 1368 Siskiyou Yreka Comment
  CAS-BOT-BC279886  Cirsium douglasii var. breweri L. E. Smith 1914-7-6 754 Siskiyou Cantara Comment
  CAS-BOT-BC279890  Cirsium douglasii var. breweri Peter H. Raven 1956-9-5 10442 Siskiyou North Fork of Sacramento River 2194 Comment
  UCD130621  Cirsium inamoenum var. inamoenum T. C. Fuller 1979-10-3 20271 Siskiyou both sides of Goosenest Road, 14 km northeast of Tennant. Comment
  CAS-BOT-BC288011  Cirsium occidentale var. candidissimum John Thomas Howell 1952-6-15 28362 Siskiyou Montague Comment
  RSA0070693  Cirsium occidentale var. candidissimum L. C. Wheeler 1934-7-16 2908 Siskiyou Oak Knoll Ranger Station, Klamath River. Siskiyou Mts. 671 Comment
  SBBG18918  Cirsium occidentale var. candidissimum F. E. Clements 1918-1 Siskiyou 2 mi from Hornbrook Comment
  CDA1554  Cirsium remotifolium var. odontolepis J. R. Grisham 1960-7-14 s.n. Siskiyou U.S. rangeland, 15 mi. N/ Cecilville. Klamath National Forest 0 Comment
  CAS-BOT-BC286464  Cirsium scariosum J. C. Chastain 1917-6-1 s.n. Siskiyou Castella Comment
  HSC5381  Cirsium vulgare R. C. Wunner 1965-8-14 434 Siskiyou California Lava Beds National Monument; 2 mi. from Mammoth Crater on Rd. to SW entrance 1555 Comment
  CAS-BOT-BC164164  Clarkia concinna L. B. Kildale 1930-6-1 9717 Siskiyou Salmon River between Oak Bottom and Somes Bar Comment
  RSA0059898  Clarkia lassenensis J. P. Smith 1974-5-25 7413 Siskiyou Along road 8, 0.9 miles from its jct with State Route 3. 976 Comment
  UC164325  Clarkia purpurea subsp. quadrivulnera Geo. D. Butler 1940-5-21 1375 Siskiyou Klamath Hills Comment
  UC1949050  Clarkia purpurea subsp. quadrivulnera Barbara Ertter with Thomas J. Delendick 1987-5-17 6972 Siskiyou W side Rt. 3 N of Callahan, 1.7 mi N of S Fk Scott River bridge Comment
  UC61179  Clarkia rhomboidea W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  SEINET4145698  Clarkia rhomboidea G. D. Butler 1910-5-30 1436 Siskiyou near Hawkinsville Comment
  CAS-BOT-BC439141  Claytonia exigua subsp. exigua John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53412 Siskiyou Fort Jones 853 Comment
  JEPS43321  Claytonia exigua subsp. exigua J. W. Kisling 1910-1 Siskiyou Edgewood Comment
  RSA466946A  Claytonia exigua subsp. exigua Christopher Davidson 1975-6-5 2670 Siskiyou 0.8 mi. from gate on special service rd. branching SE of rd from Gazelle to Callahan, ca. 9.3 miles W of Gazelle. Klamath Nat. Forest. 1509 Comment
  RSA466953  Claytonia exigua subsp. exigua L. C. Wheeler 1935-3-18 3378 Siskiyou Cottonwood Creek. 945 Comment
  CHSC1364  Claytonia lanceolata V. Holt 1936-5-24 Siskiyou Mt. Shasta. Comment
  UC1112868  Claytonia lanceolata H. K. Wagnon and Douglas Barbe 1957-6-16 13132 Siskiyou Scott Mt. 1920 Comment
  UC7787  Claytonia lanceolata Harley P. Chandler Jun 1901 1690 Siskiyou Marble Mountain; North Coast Ranges 2286 Comment
  UC1258457  Claytonia palustris Maralyn A. Renner 1980-7-14 1718 Siskiyou headwaters of Etna Creek Klamath National Forest, Etna Quad., Etna Creek (near road at switchback) 1706 Comment
  CAS-BOT-BC439811  Claytonia perfoliata Elmer I. Applegate 1935-6-7 9390 Siskiyou Old Sheepherders' road, Lava Beds National Monument Comment
  SEINET7042820  Claytonia perfoliata A. G. Vestal 1955-5-16 s.n. Siskiyou Open pine country just west of Weed between railroad and highway 99 [I5]. Weed quadrangle UTM Zone 10, 549920mE, 4586493mN. Comment
  CAS-BOT-BC443819  Claytonia rubra subsp. rubra A. A. Heller 1919-6-27 13277 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  HSC36957  Claytonia rubra subsp. rubra J. P. Smith 1974-5-26 7557 Siskiyou Along FS Rd. 47N03 1524 Comment
  CAS-BOT-BC443823  Claytonia rubra subsp. rubra A. A. Heller 1905-6-1 7924 Siskiyou Between/near Dunsmuir and Upper Soda Spring Comment
  HSC29462  Claytonia rubra subsp. rubra Frederick W. Oettinger, R. F. Thorne 1969-8-6 1253 Siskiyou Marble Mtn. Wilderness Area, Pine Lake Basin 1829 Comment
  UC375351  Cleome platycarpa Geo. D. Butler 1909-6-6 899 Siskiyou near Montague; Shasta Valley Comment
  HSC30434  Clintonia uniflora Frederick W. Oettinger 1969-8-7 1277 Siskiyou Marble Mtn. Wilderness Area, SE end of English Lake 1768 Comment
  HSC30589  Clintonia uniflora Frederick W. Oettinger 1968-8-23 619 Siskiyou Marble Mtn. Wilderness Area, W of Upper English Lake 1768 Comment
  UC375201  Clintonia uniflora Geo. D. Butler 1908-8-4 98 Siskiyou near Cold Spring (Wooley Creek); Wooley Creek Comment
  CAS-BOT-BC499971  Clintonia uniflora Wayne Roderick 1967-7-22 s.n. Siskiyou North of Happy Camp on road to O'Brien Creek 1219 Comment
  POM109340  Clintonia uniflora Geo D. Butler 1910-6-5 1478 Siskiyou Shackleford Creek Comment
  JEPS6203  Collinsia linearis W. L. Jepson 1907-7-19 2941 Siskiyou East Fork Illinois River, headwaters East Fork Illinois River; Siskiyou Mtns Comment
  JEPS6205  Collinsia linearis W. L. Jepson 1907-7-9 2864 Siskiyou Cottage Grove; Klamath River Comment
  UC722347  Collinsia linearis C. L. Hitchcock, J. S. Martin 1939-7-7 5232 Siskiyou road to Bolan Lake 6 mi from junction with Takilma-Happy Camp Road Bolan Lake 1767 Comment
  HSC41087  Collinsia parviflora J. O. Sawyer 1970-3-4 2073 Siskiyou N of Idlewild Campground. 762 Comment
  JEPS5107  Collinsia torreyi var. wrightii Annie M. Alexander and L. Kellogg 1911-6-28 206 Siskiyou Wildcat Pk 2194 Comment
  UC52839  Collomia grandiflora W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Comment
  HSC19056  Collomia tinctoria J. O. Sawyer 1969-7-16 1148 Siskiyou W of Waterdog Lake 2073 Comment
  UC726802  Collomia tinctoria A. A. Heller 1916-6-20 12404 Siskiyou ne base of mountain Mt. Eddy, Metcalf's Ranch 1188 Comment
  HSC41071  Collomia tinctoria J. O. Sawyer 1969-7-1 993 Siskiyou Above Paynes Lake Creek 1951 Comment
  POM21381  Convolvulus arvensis George B. Grant 1902-9-13 s.n. Siskiyou Sisson. Comment
  HSC27095  Conyza canadensis J. P. Smith, J. O. Sawyer 1972-9-14 5806 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  UC143609  Corallorhiza maculata Dr. E. B. Copeland 1903-9-6 3926 Siskiyou Mt. Eddy 1371 Comment
  UC4415  Corallorhiza maculata Milo S. Baker 1893-7-15 Siskiyou 6 mi below Bartles; McCloud River Comment
  SEINET10470003  Corallorhiza maculata Mary Susan Taylor 1980-6-23 Taylor 2943 Siskiyou T39N R6W se sec 25 Dunsmuir quad. Shasta-Trinity Natl Forest; bog around Cedar Lake, ca. 11 mi SW of Mt Shasta City; peaty soils over gabbro. 1737 Comment
  HSC19049  Corallorhiza mertensiana J. O. Sawyer 1969-7-25 1551 Siskiyou S of High Lake 2210 Comment
  RSA0006005  Cordylanthus pallescens Francis W. Pennell 1940-7-18 26184 Siskiyou 2-3 mi. north of Mt. Shasta City. 1159 Comment
  JEPS6790  Cordylanthus tenuis subsp. pallescens Willis L. Jepson July 1894 21345 Siskiyou near Miner's Peak (<= ?> Black butte, w side of Mt. Shasta); Upton Plateau Comment
  UCD123173  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-9 16281 Siskiyou Shasta-Trinity National Forest; road A10 between town of Mount Shasta and Panther Meadow on the mountain itself. 1344 Comment
  HSC72276  Cordylanthus tenuis subsp. viscidus J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8966 Siskiyou Hwy 3, 2.5 mi. N of Siskiyou-Trinity County line Comment
  JEPS57396  Cordylanthus tenuis subsp. viscidus L. R. Heckard with T. I. Chuang 1968-7-2 1971 Siskiyou n side Mt. Shasta (along Bolam logging road at e-w fork) 1463 Comment
  UC1196818  Cordylanthus tenuis subsp. viscidus Joseph P. Tracy 1920-8-14 5351 Siskiyou mouth of river Northern Coast Ranges, Salmon River 243 Comment
  CAS-BOT-BC209879  Cornus nuttallii Laura M. Lathrop 1903-7-10 s.n. Siskiyou Shasta Retreat Comment
  CAS-BOT-BC212051  Cornus nuttallii Roxana S. Ferris; Laura Lorraine 1948-6-12 11748 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  HSC31733  Cornus nuttallii Glenn McGourty 1974-5-25 56 Siskiyou 1402 Comment
  CAS-BOT-BC210393  Cornus sericea Doris K. Kildale 1929-5-31 9127 Siskiyou Cecilville, head of South Fork of Salmon River Comment
  CAS-BOT-BC210404  Cornus sericea Doris K. Kildale 1928-8-20 6335 Siskiyou Head of North Fork Salmon River at Finley's Upper Camp Comment
  CAS-BOT-BC210416  Cornus sericea Alice Eastwood 1912-7-21 1272 Siskiyou Sisson Comment
  HSC46851  Cornus sericea subsp. sericea William J. Ferlatte 1976-9-22 1854 Siskiyou Grouse Ridge along Yellow Rose Mine Trail. 567 Comment
  JEPS94790  Cornus sericea subsp. sericea Vernon H. Oswald and Lowell Ahart 1998-8-3 9457 Siskiyou Kangaroo Lake Road(USFS 41N08) 2.6 mi se of Gazelle-Callahan Road; Kangaroo Lake Road 1426 Comment
  UC144412  Cornus sericea subsp. sericea A. A. Heller 1905-6-15 8043 Siskiyou near Sisson Comment
  UC61176  Corylus californica W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta 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
  SEINET10543254  Crataegus douglasii Louis C. Wheeler 1934-6-27 Wheeler 2804 Siskiyou Along seasonal creek in flat valley, Cottonwood Creek. Siskiyou Mts. 2900 feet. S15, T48N, R7W, Mt. Diablo Mer. Comment
  HSC101756  Crataegus gaylussacia J. P. Smith, J. O. Sawyer 2011-9-3 13406 Siskiyou Fence row along Cole Rd. to Siskiyou Summit 910 Comment
  CAS-BOT-BC290478  Crepis acuminata Geo. D. Butler 1910-7-4 1639 Siskiyou Goosenest foothills 1219 Comment
  CAS-BOT-BC291530  Crepis intermedia I. J. Condit 1911-7-13 s.n. Siskiyou Dunsmuir Comment
  UC581311  Crepis monticola E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1888 Siskiyou about 2 mi s Yreka 810 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-BC290839  Crepis occidentalis subsp. pumila J. Grisham 1958-5-14 399 -58 Siskiyou Yreka Comment
  CAS-BOT-BC290862  Crepis pleurocarpa P. M. Peterson; J. M. Saarela; C. J. Sears 2006-8-9 19779 Siskiyou Pacific Crest Trail, above Taylor Lake, Russian Wilderness 2145 Comment
  JEPS74514  Crepis pleurocarpa W. J. Ferlatte 1966-8-4 300 Siskiyou Yellow Rose Mine Trinity Alps 1981 Comment
  UCR37826  Crepis pleurocarpa K. T. Stillman 1976-8-7 204 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15'Q. 1982 Comment
  CAS-BOT-BC299731  Crocidium Doris K. Kildale 1929-5-1 7834 Siskiyou Callahan Comment
  HSC39750  Crocidium multicaule J. O. Sawyer 1970-4-4 2084 Siskiyou Along Sugar Creek 823 Comment
  UCD59926  Crypsis schoenoides Reino Alava; Aloha Alava, Rimo Bacigalupi 1958-9-2 2395 Siskiyou 3 miles northwest of Weed, head of Shasta Valley. 975 Comment
  JEPS87644  Cryptantha ambigua Vernon H. Oswald and Lowell Ahart 1994-8-10 6455 Siskiyou ca 4.5 mi (air) ne McCloud (Pilgrim Creek Rd (FS13), just e of Mud Creek, 2.7 mi n of Hwy 89) 1097 Comment
  JEPS67620  Cryptantha intermedia M. K. Curran Jul 1887 Siskiyou Edgewood Comment
  HSC69190  Cryptogramma acrostichoides Maralyn A. Renner 1980-9-1 2699 Siskiyou S side of Devil's Punchbowl 1829 Comment
  POM210950  Cryptogramma acrostichoides L. C. Wheeler 1934-8-2 3017 Siskiyou Alex Hole, Alex Canyon. Siskiyou Mtns. 1890 Comment
  HSC99674  Cryptogramma acrostichoides Al Hobart Jul 1964 Siskiyou FS Rd. 17N04, Doe Flat, Buck Lake 1535 Comment
  SEINET8671193 Image available Cryptogramma crispa subsp. acrostichoides M. W. Bridge Cooke 1937-1 9165 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC85605  Cupressus bakeri Carl B. Wolf 1944-10-30 11481 Siskiyou 1 mile northeast of Timbered Crater, Modoc Lava Beds on old stageroad from Dana to Little Hot Springs Valley, 1219 Comment
  NY16590  Cupressus bakeri G. D. Butler 1910-7-4 1637 Siskiyou [G... handwriting not clear] foothills 1219.2 Comment
  RSA22756  Cupressus bakeri O. V. Matthews 1939-7-18 39 Siskiyou Northeast slope of Goose Nest, ca. 15 minute hike from end of recently abandoned caterpillar logging trail or drag-way 1524 Comment
  RSA24032  Cupressus bakeri O. V. Matthews 1939-7-18 38 Siskiyou NW Goose Nest, E of Yreka Comment
  UC1043395  Cupressus bakeri P. C. Everett and E. K. Balls 1954-10-13 20276 Siskiyou 7.2 mi ne up creek from Hwy 96 (rd. to Kangaroo Mt.); Seiad Creek 822 Comment
  UC1733972  Cupressus bakeri subsp. matthewsii Frank Gould, Kay H. Beach 1940-5-15 1247 Siskiyou Meadows and Goosenest Mountain. 1828 Comment
  NY643322  Cuscuta approximata L. C. Wheeler 1934-9-22 3294 Siskiyou Walker, Klamath River, Siskiyou Mts. 518.2 Comment
  UCR243141  Cuscuta campestris Rob Wilson 2010-9-8 s.n. Siskiyou Near Tulelake 1232 Comment
  HSC7281  Cyperus bipartitus L. C. Wheeler 1934-9-15 3259 Siskiyou Siskiyou Mtns., Walker, Klamath River 518 Comment
  CHSC71508  Cyperus squarrosus Vernon H. Oswald; Lowell Ahart 1998-7-21 9338 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. 1402 Comment
  HSC66252  Cypripedium californicum Maralyn A. Renner 1980-6-23 966 Siskiyou W Fork Seiad Creek 878 Comment
  HSC66257  Cypripedium californicum Maralyn A. Renner 1980-7-4 1457 Siskiyou Clear Creek Trail, N of Trout Camp. 1037 Comment
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Jun 7 2012
  CAS-BOT-BC133735  Cypripedium californicum Doris K. Kildale 1929-7-20 8537 Siskiyou Field redacted by CAS, contact the data manager for more information 1219 Comment
  CAS-BOT-BC133745  Cypripedium californicum William R. Dudley 1899-7-5 s.n. Siskiyou Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC70705  Cystopteris fragilis L. B. Kildale 1930-6-1 9777 Siskiyou Black Bear Trail to Sawyers Bar Comment
  CAS-BOT-BC70710  Cystopteris fragilis Gilbert Muth 1966-8-3 162 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  UC1190381  Cystopteris fragilis Ira L. Wiggins 1955-7-29 13587 Siskiyou 3.5 mi above S. Fork Salmon River (along Thompson Creek) 1371 Comment
  CAS-BOT-BC70709  Cystopteris fragilis Gilbert Muth 1966-7-17 404 Siskiyou Marble, off trail to lookout, Marble Mts. 1828 Comment
  RSA237512  Cystopteris fragilis Frederick W. Oettinger 1968-9-1 649 Siskiyou South of Abbott s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  CAS-BOT-BC192257  Danthonia californica Louis C. Wheeler 1934-7-2 2842 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts. 1280 Comment
  HSC73276  Danthonia californica Gail Newton 1980-6-20 473 Siskiyou Near Bald Mtn. 1097 Comment
  UCD61032  Danthonia californica R. Tofsrud 1948-8-3 Siskiyou Poker Flat, near Del Norte Co. border. Comment
  HSC69057  Danthonia intermedia subsp. intermedia Maralyn A. Renner 1980-8-6 2318 Siskiyou Cracker Meadow 1555 Comment
  RSA239121  Danthonia unispicata Frederick W. Oettinger 1969-8-24 1522 Siskiyou inlet to Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  CAS-BOT-BC420666  Darmera peltata Doris K. Kildale 1928-7-3 5451 Siskiyou Little North Fork Salmon River Comment
  UC1334523  Delphinium andersonii G. A. L. Mehlquist and J. A. Jenkins 1940-5-30 18 Siskiyou sw-facing slope Sconchin Butte Comment
  CAS-BOT-BC8951  Delphinium decorum subsp. tracyi Mrs. H. C. Cantelow 1936-5-20 1391 Siskiyou Summit of Salmon Mtn. 1818 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
  HSC27493  Delphinium depauperatum J. P. Smith, J. O. Sawyer 1972-5-27 5343 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  CAS-BOT-BC116154  Delphinium nuttallianum Alice Eastwood 1921-7-24 10744 Siskiyou Castle Lake Comment
  RSA187489  Delphinium nuttallianum H. A. Thomas, John H. Thomas 1954-7-25 s.n. Siskiyou Salmon Trinity Mts, Vicinity of Rush Lake and Rush Creek Meadow, 9 miles E of Cecilville. 1829 Comment
  SJSU6056  Delphinium nuttallianum R. W. Trivelpiece 1971-6-16 36 Siskiyou N of Alder Cr divide between The Whaleback & Haight Mt c. 15 mi N of Mt Shasta 1676 Comment
  SEINET4344614 Image available Deschampsia cespitosa Unknown 1990-7-14 9305 Siskiyou E side Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mile N of Morgan Meadows, Steep E-facing serpentine hillside. 1676 Comment
  CAS-BOT-BC192463  Deschampsia cespitosa subsp. cespitosa Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  UCR142761  Deschampsia cespitosa subsp. cespitosa L. C. Wheeler 1934-8-14 3128 Siskiyou Siskiyou Mtns, North side of White Mountain 1768 Comment
  CAS-BOT-BC201936  Deschampsia elongata Doris K. Kildale 1928-8-20 6595 Siskiyou Lily Pad Lake, near Hancock Lookout on trail to Marble Mt. Comment
  CAS-BOT-BC201946  Deschampsia elongata Dorothy Parker 1957-7-16 s.n. Siskiyou Cabin Meadow Creek, Scott Mt. Range 1828 Comment
  HSC26550  Deschampsia elongata J. P. Smith, Steve Selva 1970-7-17 4464 Siskiyou Below Kangaroo Lake. 1890 Comment
  HSC88847  Deschampsia elongata J. P. Smith, Steve Selva 1970-6-16 4049 Siskiyou 7 mi. W of Etna on road to Sawyers Bar. 1280 Comment
  POM161565  Deschampsia elongata Geo D. Butler 1909-6-20 840 Siskiyou Damp land near Yreka Comment
  RSA12630  Deschampsia elongata C. B. Wolf 1934-7-4 5955 Siskiyou 6 8/10 mi. from Dry Lake Lookout, on rd. to Horse Creek, Siskiyou Mts. 1829 Comment
  RSA238390  Deschampsia elongata Frederick W. Oettinger 1969-8-29 1579 Siskiyou Margin of Katherine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  RSA238393  Deschampsia elongata Frederick W. Oettinger 1969-8-14 1373 Siskiyou Weed area near campsite, English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UCD63457  Deschampsia elongata A. A. Beetle; G. L. Stebbins Jr. 1942-6-1 3445 Siskiyou 11 miles north of Happy Camp, rd. to Grants pass, banks of Indian Creek. Comment
  UCD63529  Deschampsia elongata Rimo Bacigalupi; Mr. and Mrs. Van Deventer of Fort Dick 1959-7-10 7298 Siskiyou Twin Valley, Siskiyou Mts., just east of Del Norte County line, about 4 miles NNE of Preston Peak; watershed of Indian Creek. 1493 Comment
  CHSC93557  Descurainia incisa subsp. filipes Lowell Ahart; John Dittes 2005-6-10 12062 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
  HSC6727  Descurainia sophia R. C. Wunner 1965-7-7 343 Siskiyou California Lava Beds National Monument, near N Prefab, Indian Well 1433 Comment
  JEPS1798  Dianthus deltoides subsp. deltoides Duncan Dunning 1921-7-16 Siskiyou se Toad Mountain (Toad Lake, nw of Hambone, southeastern Siskiyou County); se of Toad Mountain Comment
  HSC2396  Dicentra formosa William J. Ferlatte 1966-8-18 416 Siskiyou Along the S Fork of the Salmon River between the Campground and Carter's 1524 Comment
  HSC61206  Dicentra formosa Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  SBBG16474  Dicentra formosa D. Myrick 1961-6-21 312 Siskiyou Deer Camp Rd above Oak Knoll Ranger Stn on Klamath River 1828 Comment
  CAS-BOT-BC47496  Dicentra formosa subsp. oregana A. M. Vollmer; L. Beane 1951-6-2 72 Siskiyou Road between Streamline Lodge & Deer Camp, north of Klamath River Highway Comment
  JEPS86114  Dicentra pauciflora Wayne Roderick 1966-7-23 Siskiyou Castle Lake; and higher up trail to Little Castle Lake 1676 Comment
  JEPS9733  Dicentra uniflora W. L. Jepson 1940-6-27 20044 Siskiyou e slope Mt. Shasta 2133 Comment
  HSC46046  Dichelostemma multiflorum Maralyn O'Meara 1974-5-25 430 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  UCD35445  Dieteria canescens Beecher Crampton 1956-8-22 3864 Siskiyou South slope of Mt. Shasta, Wagon Camp Road, about 4 miles southwest of Panther Meadow. 1828 Comment
  CAS-BOT-BC299764  Dieteria canescens var. canescens M. B. Dunkle 1945-8-2 9281 Siskiyou Kings Castle, Klamath Forest 2286 Comment
  CAS-BOT-BC291017  Dieteria canescens var. shastensis R. H. Bohmannson 1926-7-1 s.n. Siskiyou Mt. Shasta Comment
  CAS-BOT-BC291019  Dieteria canescens var. shastensis L. E. Smith 1915-7-1 s.n. Siskiyou Bray Comment
  CAS-BOT-BC291023  Dieteria canescens var. shastensis John Thomas Howell 1934-7-4 12391 Siskiyou Se. corner of Siskiyou Co. Comment
  UC75817  Dieteria canescens var. shastensis Milo S. Baker 1898-8-1 474 Siskiyou Medicine Lake Comment
  CAS-BOT-BC153649  Diplacus jepsonii Elmer I. Applegate 1923-8-19 3887 Siskiyou Medicine Lake Comment
  CAS-BOT-BC153450  Diplacus layneae H. D. Ripley; R. C. Barneby 1948-7-6 9634 Siskiyou Black Butte 1219 Comment
  CAS-BOT-BC153728  Diplacus nanus John Thomas Howell 1937-7-21 13174 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC877609  Dodecatheon alpinum A. A. Heller 1915-7-15 12089 Siskiyou Mt. Eddy 1828 Comment
  RSA78835  Dodecatheon hendersonii P. A. Munz 1952-7-2 17913 Siskiyou Ridge west of Baldy Mt. L. O., 6 mi. by air west of Happy Camp. Siskiyou Mts. 1768 Comment
  HSC30792  Dodecatheon jeffreyi Melinda F. Denton 1973-6-30 2939 Siskiyou Klamath National Forest, Young's Valley, 5 mi. S of Sanger Lake at base of El Capitan 1409 Comment
  RSA237243  Dodecatheon jeffreyi Frederick W. Oettinger 1967-7-8 160 Siskiyou Above the western end of Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1887 Comment
  JEPS98780  Downingia montana Sue Pappalardo 1993-7-20 488 Siskiyou about 3 mi NE of Bear Mountain Lookout (N of Caribou wells, E of Forest Service highway 24 (40N24Y)); Shasta-Trinity National Forest, McCloud Ranger District 1330 Comment
  JEPS109774  Draba carnosula Dean W. Taylor 2002-7-29 18289 Siskiyou cirque at head of Huston Creek (Huston Creek divide on USFS trail sign at summit) ca. 0.4 miles easterly of summit, South China Mounain 2325 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
  HSC86667  Draba howellii K. Berg, Stephanie Bennett 1986-8-25 649 Siskiyou Salmon-Trinity Alps Wilderness, headwaters of Little S Fork of Salmon River, above Little S Fork Lake 1982 Comment
  RSA237274  Draba howellii Frederick W. Oettinger 1967-7-26 196 Siskiyou Down northeast end of Crapo Peak ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2186 Comment
  CAS-BOT-BC41307  Draba pterosperma C. L. Hitchcock; J. S. Martin 1939-7-9 5302 Siskiyou North side of Black Mountain near Marble Mountain (King's Castle). 2072 Comment
  CAS-BOT-BC41308  Draba pterosperma C. L. Hitchcock; J. S. Martin 1939-7-9 5302 Siskiyou North side of Black Mountain near Marble Mountain (King's Castle). 2072 Comment
  SEINET5342789  Draba verna G. Butler 1910-3-24 1143 Siskiyou Shasta River Hills. Comment
  JEPS1616  Draperia systyla W. L. Jepson Jul 17 1902-Jul 22 1902 2070 Siskiyou Devil's Backbone; western Siskiyou 1828 Comment
  UC61197  Draperia systyla W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou McCloud River Mount Shasta (The Bend) Comment
  UC72698  Drosera rotundifolia Milo S. Baker 1899-8-4 555 Siskiyou Dead Horse Canyon Comment
  UCD168827  Drosera rotundifolia Barry Rice 2015-9-6 BR 150902 Siskiyou East of Caldwell Fen. 2025 Comment
  SEINET6652792  Drymocallis glandulosa var. glandulosa G. D. Butler 1910-5-30 1431 Siskiyou Humbug Creek Comment
  HSC136  Drymocallis lactea var. lactea William J. Ferlatte 1966-6-22 92 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's. 1524 Comment
  CAS-BOT-BC158422  Drymocallis rhomboidea John Thomas Howell 1937-7-21 13162 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC46070  Dryopteris arguta J. P. Smith, Steve Selva 1970-6-14 3873 Siskiyou Road to Steinacher Creek near Somes Bar. Comment
  UCD131239  Echinops sphaerocephalus Ken Baghott 1952-7-9 s.n. Siskiyou Tulelake area. Comment
  CHSC86646  Eleocharis macrostachya Jenny Marr 1993-7-1 29 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS19425  Eleocharis macrostachya B. C. Goldsmith 1916-9-9 26 Siskiyou Klamath Hot Springs Comment
  RSA0037180  Eleocharis rostellata Lowell A. Ahart, John Dittes 2010-7-30 16946 Siskiyou About 5 yards south of the Shasta River, about 40 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
  UC637115  Elodea canadensis Edward Lee 1934-8-12 1239 Siskiyou e end Seiad Valley (near mouth of Walker River, s side of Klamath River); , Klamath River 426 Comment
  CAS-BOT-BC227910  Elymus elymoides K. T. Stillman 1976-7-23 304 Siskiyou Marble Mountain Wilderness Area 2011 Comment
  CAS-BOT-BC227925  Elymus elymoides Wm. Bridge Cooke 1938-7-28 11370 Siskiyou Mount Shasta. North Ridges Comment
  POM359941  Elymus elymoides M. B. Dunkle 1945-08 9284 Siskiyou Paradise Lake, rocky ledge. Comment
  RSA233654  Elymus elymoides R. F. Thorne, Frederick W. Oettinger 1969-8-10 38999 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta; at base of boulders on dry, sunny, volcanic slopes above ski-lodge. 2378 Comment
  JEPS57188  Elymus elymoides subsp. elymoides L. R. Heckard 1967-8-13 1686 Siskiyou Mt. Eddy; scree slopes near summit 2743 Comment
  UC1024702  Elymus elymoides subsp. elymoides Leo Whitney 1934-6-21 2142 Siskiyou 2 mi se Tennant 1463 Comment
  HSC38384  Elymus elymoides var. elymoides A. M. Montalvo, J. D. Ackerman 1974-7-2 344 Siskiyou E slope of Eddy Mtn., on rd. to Deadfall Lakes and Morgan Meadows. 1524 Comment
  CAS-BOT-BC206597  Elymus glaucus subsp. glaucus L. R. Short 1933-6-8 75323 Siskiyou Badger Creek, Klamath Forest 731 Comment
  CAS-BOT-BC206602  Elymus glaucus subsp. glaucus W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountains Comment
  CHSC83260  Elymus glaucus subsp. glaucus L. P. Janeway 2002-7-13 7645 Siskiyou High Cascade Range. Along a logging spur road 0.2 km southeast of Road 13 (Pilgrim Creek Road) 9.0 kmk northeast of the Military Pass Road (Road 19); 0.2 km north of Edison Creek. 1347 Comment
  HSC22166  Elymus glaucus subsp. glaucus J. O. Sawyer 1969-8-1 1646 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  SEINET238870 Image available Elymus trachycaulus subsp. trachycaulus Beecher Crampton 1956-8-22 3867 Siskiyou South slope of Mt. Shasta. 1646 Comment
  CDA2074  Elytrigia intermedia T. C. Fuller 1962-8-3 9498 Siskiyou Siskiyou Mountains; 200 yards up Raggedass Gulch, east of Beaver Creek, 5 miles north of the Klamath River. 0 Comment
  UC1105961  Elytrigia intermedia subsp. intermedia Milo S. Baker 1955-7-26 13083 Siskiyou Hwy 99 4 mi s Gazelle 914 Comment
  CAS-BOT-BC392231  Enemion stipitatum L. E. Smith 1913-3-26 22 Siskiyou Yreka, back of Catholic Cemetery Comment
  UC164268  Epilobium brachycarpum Geo. D. Butler 1910-7-3 1629 Siskiyou Goosenest foothills 1219 Comment
  HSC99267  Epilobium ciliatum subsp. ciliatum J. O. Sawyer 1969-6-12 915 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  POM256464  Epilobium ciliatum subsp. ciliatum Edward Lee 1934-8-11 1027 Siskiyou Walker Creek, a tributary of the Klamath River (east end of Seiad Valley) 457 Comment
  RSA237582  Epilobium ciliatum subsp. glandulosum Frederick W. Oettinger 1969-7-31 1114 Siskiyou Wet meadow, west of and above English Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1738 Comment
  SEINET9720242  Epilobium densiflorum G. D. Butler 1910-6-29 1614 Siskiyou Yreka Creek Comment
  RSA258625  Epilobium glaberrimum subsp. glaberrimum W. Bridge Cooke 1940-7-5 15285 Siskiyou Mt. Shasta: in the meadow at Wagon Camp 1738 Comment
  CHSC1129  Epilobium hallianum E. G. England 1939-6-30 Siskiyou Mt. Eddy. 2438 Comment
  HSC213  Epilobium hallianum William J. Ferlatte 1966-6-22 95 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  HSC29168  Epilobium hallianum Frederick W. Oettinger 1969-7-18 1053 Siskiyou Marble Mtn. Wilderness Area, SW of Upper English Lake 1951 Comment
  HSC82257  Epilobium hallianum Thomas W. Nelson, Jane P. Nelson 1980-7-20 6175 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  JEPS43854  Epilobium hallianum W. L. Jepson 1937-7-30 18549 Siskiyou headwaters of Indian Creek Siskiyou Mts., Poker Flat 1584 Comment
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  RSA264965  Epilobium hallianum G. L. Clifton 1975-7-28 s.n. Siskiyou Near Siskiyou Mountains near Seiad Valley. 1634 Comment
  UCD80892  Epilobium hallianum Robert E. Preston 2001-7-21 1720 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, north slope of Rainbow Mountain. 2066 Comment
  HSC19493  Epilobium hornemannii subsp. hornemannii J. O. Sawyer 1969-7-18 1402 Siskiyou SW facing slope above S Russian Creek. 1905 Comment
  HSC49639  Epilobium hornemannii subsp. hornemannii J. P. Smith, Steve Selva 1970-6-16 4068 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  RSA142623  Epilobium hornemannii subsp. hornemannii P. A. Munz 1960-8-22 24180 Siskiyou Panther Meadows, Mt. Shasta 2378 Comment
  RSA237387  Epilobium lactiflorum Frederick W. Oettinger 1968-8-4 388 Siskiyou Trail N of Crapo Peak ridge. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2195 Comment
  POM213942A  Epilobium minutum G. C. Kimber 1934-6-9 43 Siskiyou Ney Creek 1/8 mi above junction with Sacramento River. 732 Comment
  CDA38103  Epilobium oregonense T. R. Haig & F. D. Horn 1979-8-16 s.n. Siskiyou Gumboot Lake Area, west of Mount Shasta. 0 Comment
  UC609370  Epilobium siskiyouense Eleanor Burks Hart 1938-8-20 910 Siskiyou below Red Cap (top of ridge) 2407 Comment
  UC399179  Equisetum X ferrissii Geo. D. Butler 1908-7-16 250 Siskiyou Klamath River Comment
  HSC42939  Equisetum hyemale subsp. affine J. O. Sawyer, Ken Stillman 1976-7-1 2773 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  CHSC91391  Equisetum laevigatum Lowell Ahart; John Dittes 2005-6-10 12107 Siskiyou Steep slope, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  HSC34223  Equisetum laevigatum J. P. Smith 1974-5-25 7406 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC67515  Eremogone congesta J. P. Smith, Steve Selva 1970-7-15 4360 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  CAS-BOT-BC168846  Eremogone congesta var. congesta Milo S. Baker 1926-8-8 242 -26 Siskiyou Between Red Mt. and Granite Peak 2194 Comment
  CAS-BOT-BC174229  Eremogone congesta var. congesta L. R. Short 1933-8-6 10 Siskiyou Klamath National Forest. Marble Valley 1792 Comment
  HSC29467  Eremogone congesta var. congesta Frederick W. Oettinger 1969-8-4 395 Siskiyou Marble Mtn. Wilderness Area, trail break on Crapo Peak ridge 2195 Comment
  CAS-BOT-BC286700  Ericameria bloomeri A. A. Heller 1914-8-26 11722 Siskiyou At Weed 1066 Comment
  SBBG7920  Ericameria bloomeri H. and M. Dearing 1948-9-12 6733 Siskiyou Mt Shasta 2316 Comment
  HSC75372  Ericameria greenei J. O. Sawyer, M. Mesler 1980-8-10 4028 Siskiyou S of Carmen Lake, ultramafics of Scott Mtn. 1829 Comment
  CAS-BOT-BC287501  Ericameria greenei W. R. Dudley 1899-8-26 s.n. Siskiyou Toward top of Sacramento and Trinity Divide Comment
  CHSC57344  Ericameria nauseosa Michael D. Mayes 1983-4-16 7 Siskiyou Ca. 8 mi sw of Tulelake. Approx. 250 yds n of n entrance to Lava Beds National Monument. 1231 Comment
  CAS-BOT-BC298249  Ericameria nauseosa var. oreophila A. A. Heller 1917-9-7 12978 Siskiyou Shasta Valley 2 miles S of Grenada 914 Comment
  HSC68482  Ericameria nauseosa var. speciosa Maralyn A. Renner 1980-6-10 875 Siskiyou Ridge 1 mi. S of Greenhorn Rd. and 1 mi. E of Mill Creek 1341 Comment
  HSC61779  Erigeron aliceae Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  HSC68172  Erigeron aliceae J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5714 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  JEPS41575  Erigeron aliceae W. L. Jepson 1937-7-30 18567 Siskiyou headwaters Indian Creek; Siskiyou Mts., , Poker Flat 1584 Comment
  SD249139  Erigeron aliceae David Keil, Kathleen Keil 1990-7-28 Siskiyou Marble Moutains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  UC1360438  Erigeron aliceae J. M. Tucker, L. K. Mann and S. L. Holloway 1963-8-18 3748 Siskiyou ca. 0.5 mi ne of the Marble Valley Guard Station; Marble Mountain Wilderness Area, Upper Canyon Creek 1920 Comment
  UCR266169  Erigeron aliceae David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains, Klamath National Forest, Rye Patch Creek Trail 1700 Comment
  RSA201803  Erigeron aliceae J. M. Tucker, L. K. Mann, S. L. Holloway 1963-8-18 3748 Siskiyou Upper Canyon Creek ca. 1/2 mile NE of the Marble Valley Guard Station, Marble Mountain Wilderness Area. 1921 Comment
  UC581713  Erigeron aliceae Joseph P. Tracy 1935-8-4 14523 Siskiyou head of Plummer Creek (e of Mary Blaine Mt., at point called Snow Prarie); , Snow Prarie 1828 Comment
  UC917225  Erigeron aliceae R. Tofsrud and J. M. Tucker 1948-8-3 1782 Siskiyou summit of Happy Camp - Waldo (Oregon) road (on Del Norte-Siskiyou County line) 1554 Comment
  CAS-BOT-BC294494  Erigeron bloomeri var. bloomeri John Thomas Howell 1939-8-8 15175 Siskiyou Black Mt., Marble Mts. Comment
  UCD131737  Erigeron breweri Dean William Taylor 1972-7-3 1599 Siskiyou At Cook and Green Pass. 1371 Comment
  HSC46719  Erigeron compositus William J. Ferlatte 1974-7-15 1547 Siskiyou Dorleska summit, Grouse Ridge 200yd N of summit 2134 Comment
  HSC67541  Erigeron compositus J. P. Smith, J. O. Sawyer 1972-6-30 5646 Siskiyou Ridge W of Little Duck Lake. 2378 Comment
  CAS-BOT-BC297186  Erigeron concinnus var. concinnus Elmer I. Applegate 1935-6-6 9375 Siskiyou North slope of Caldwell Butte, Lava Beds National Monument Comment
  UC725404  Erigeron elegantulus A. A. Heller 1938-7-13 15273 Siskiyou just s Bray 1402 Comment
  JEPS22365  Erigeron filifolius W. L. Jepson 1940-6-23 20008 Siskiyou n Mt. Shasta; Andesite station 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
  POM252997  Erigeron filifolius A. A. Heller 1936-7-12 15255 Siskiyou Near western base of Deer Mountain on U. S. Highway 97 Comment
  HSC68443  Erigeron foliosus var. confinis Maralyn A. Renner 1980-7-4 1386 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow 1585 Comment
  OBI80360  Erigeron glacialis David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  HSC19465  Erigeron glacialis var. glacialis J. O. Sawyer 1969-8-18 1980 Siskiyou S of S Sugar Lake 2104 Comment
  JEPS75885  Erigeron glacialis var. glacialis W. J. Ferlatte 1966-8-5 336 Siskiyou Caribou Mountain; Trinity Alps, Caribou Mountain 2468 Comment
  HSC76944  Erigeron glacialis var. glacialis K. T. Stillman 1976-9-9 471 Siskiyou Marble Mtn. Wilderness Area, N, NE and E side of Black Mtn. Comment
  UCD131985  Erigeron inornatus D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-McCloud close to Snowmans Hill. Ski Park (Mount Shasta) Road. Mount Shasta basis. 1720 Comment
  RSA0091003  Erigeron inornatus var. calidipetris Dean Wm. Taylor 2005-7-13 19396 Siskiyou Big Sand Flat (ca. 8 air miles N of Bartle on Highway 89), along Forest Road 40N17 road leaving SW corner of the flat. 1402 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
  UC618633  Erigeron inornatus var. inornatus unknown 1938-7-22 11326 Siskiyou Mount Shasta Mount Shasta (Sisson Southern Trail) 1371 Comment
  OBI53773  Erigeron inornatus var. inornatus David J. Keil 1992-7-20 23481 Siskiyou 10.3 mi W of Fort Jones along Scott River rd; above Scott river 900 Comment
  JEPS101306  Erigeron klamathensis Dean W. Taylor 1999-8-12 17307 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1371 Comment
  JEPS104787  Erigeron klamathensis Dean W. Taylor 1996-7-7 15809 Siskiyou Salmon Mountains; Ruffey Lakes (about 8 air miles southwest of Etna), in cirque above the upper lake; Klamath National Forest 2072 Comment
  UC637132  Erigeron klamathensis Edward Lee 1934-8-14 1109 Siskiyou near summit Little Grayback (Siskiyou-Del Norte County line) 1859 Comment
  UC1539990  Erigeron linearis Roseberry 1936-5-21 42 Siskiyou 1 mi ne Whitney Butte; Lava Beds National Monument Comment
  CAS-BOT-BC295510  Erigeron linearis M. B. Dunkle 1945-7-22 9244 Siskiyou Klamath National Forest. Wooly Pockets [Wooley Creek Pocket] 2133 Comment
  CAS-BOT-BC295363  Erigeron petrophilus R. C. Wenk 2006-9-2 551 Siskiyou Trail to Caribou Lakes from Big Flat Meadow 1950 Comment
  CAS-BOT-BC295816  Erigeron petrophilus var. viscidulus Louis C. Wheeler 1934-8-24 3219 Siskiyou Trapper Creek, Siskiyou Mts. 1859 Comment
  CHSC84744  Erigeron petrophilus var. viscidulus L. P. Janeway 2003-8-9 7963 Siskiyou Klamath Ranges. Siskiyou Mountains between Cook and Green Pass and Red Butte. Serpentine slope overlooking uppermost fork of Seiad Creek. 1698 Comment
  POM52134  Erigeron petrophilus var. viscidulus C. F. Baker 1903-8-18 887 Siskiyou Mt. Eddy 2287 Comment
  CDA4938  Erigeron philadelphicus T. C. Fuller 1958-6-19 1887 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  CAS-BOT-BC300084  Erigeron philadelphicus E. K. Balls 1949-7-9 13927 Siskiyou 3.1 miles from Etna on rd to Sawyer's Bar, southern Siskiyou County 914 Comment
  CAS-BOT-BC300109  Erigeron pumilus A. A. Heller 1938-7-12 15261 a Siskiyou Near the eastern base of Deer Mountain on U. S. Highway #97 Comment
  CAS-BOT-BC224145  Eriodictyon californicum W. B. Cooke; V. G. Cooke 1970-7-22 42698 Siskiyou 7 mi. ne. of Weed, along US-97, Mt. Shasta Comment
  CHSC8614  Eriodictyon californicum G. Smalley 1967-6-7 Siskiyou Collected ca. 9 miles w of Fort Jones on Quartz Mt. 1280 Comment
  HSC60051  Eriodictyon californicum M. A. Baker 1977-6-6 364 Siskiyou S of Happy Camp along Hwy. 96 Comment
  UC164144  Eriodictyon californicum Geo. D. Butler 1910-5-25 1405 Siskiyou near Yreka; near Yreka Comment
  SBBG115567  Eriodictyon lobbii K. F. Mawdsley 1996-7-9 5 Siskiyou Eaton-Duck Lakes trailhead, Russian Wilderness 1524 Comment
  CAS-BOT-BC248844  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-BC250074  Eriogonum compositum var. compositum Geo. D. Butler 1909-5-14 720 Siskiyou Klamath River bluffs Comment
  CAS-BOT-BC246493  Eriogonum diclinum James L. Reveal; Mark L. Reveal 1975-8-15 3956 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Dry Lake Lookout Road (Forest Service Road 40S01), 0.5 mile west of Dry Lake Lookout near the Buckthorn Trail 2042 Comment
  HSC19516  Eriogonum diclinum J. O. Sawyer 1969-7-19 1425 Siskiyou SW facing slope above Deacon Lee Trail 2180 Comment
  CAS-BOT-BC255706  Eriogonum douglasii var. meridionale K. T. Stillman 1976-6-26 107 Siskiyou Marble Mountain Wilderness Area Comment
  UCD99916  Eriogonum elatum var. elatum Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou east side of Marble Mountain, Marble Mountains. Comment
  CAS-BOT-BC255757  Eriogonum elatum var. villosum Carl B. Wolf 1927-8-26 1002 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  UC454347  Eriogonum elatum var. villosum I. J. Condit 1911-7-13 Siskiyou Dunsmuir, bank of Sacramento River Sacramento River, Dunsmuir Comment
  CAS-BOT-BC261229  Eriogonum hirtiflorum W. B. Cooke; V. G. Cooke 1966-7-16 37214 Siskiyou Above Bolam Station, Mt. Shasta 1524 Comment
  UC1299733  Eriogonum luteolum var. luteolum Freed W. Hoffman 1948-7-8 2564 Siskiyou 19.7 mi e on Klamath River road Happy Camp; North Coast Ranges Comment
  CHSC99209  Eriogonum marifolium L. P. Janeway; B. Castro 2007-7-28 9125 Siskiyou High Cascade Range. Medicine Lake Highlands; west side of Arnica Sink about 6.5 km west of Glass Mountain. 2042 Comment
  UCD77665  Eriogonum marifolium Robert E. Preston 2002-7-12 1911 Siskiyou Klamath National Forest, S slope of Rainbow Mountain 1798 Comment
  CAS-BOT-BC267391  Eriogonum marifolium var. marifolium Wm. H. Brewer 1862-9-13 s.n. Siskiyou Mount Shasta 2743 Comment
  HSC48943  Eriogonum marifolium var. marifolium D. L. Goforth 1979-7-19 249 Siskiyou Klamath National Forest, Trinity Alps Wilderness; Caribou Lakes Basin, 0.3 mi. NW of Caribou Lake. 2134 Comment
  CDA22622  Eriogonum microthecum F. D. Horn 1977-10-5 Siskiyou Shasta Vista Estates, Grenada. 0 Comment
  UC1540141  Eriogonum microthecum var. ambiguum Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-7 9254 Siskiyou on northern interior rim of crater Lava Beds National Monument, Caldwell Butte 1499 Comment
  UC917319  Eriogonum nudum var. nudum R. Tofsrud and J. M. Tucker 1948-8-2 1753 Siskiyou outskirts of McCloud McCloud Comment
  HSC43401  Eriogonum nudum var. nudum K. T. Stillman 1976-7-14 241 Siskiyou Marble Mtn. Wilderness Area, E ridge down to Elk Valley 2073 Comment
  HSC17330  Eriogonum nudum var. pubiflorum R. C. Wunner 1965-8-26 483 Siskiyou Lava Beds N.M., N Prefab Indian Well 1433 Comment
  UC61057  Eriogonum nudum var. pubiflorum W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta, Sisson Comment
  POM165290  Eriogonum ovalifolium var. ovalifolium Copeland 1903-9-7 3873 Siskiyou Mt. Eddy [which is on Siskiyou-Trinity county line.] Comment
  UC1299708  Eriogonum ovalifolium var. purpureum Freed W. Hoffman 1948-7-12 2616 Siskiyou 2 mi w junction of Little Shasta road with Mt. Hebron road Comment
  JEPS25537  Eriogonum pyrolifolium Rimo Bacigalupi with Lincoln Constance 1959-6-16 7153 Siskiyou above Panther Meadow (just e of Ski Lodge; sw slopes of Mt. Shasta); Mt. Shasta 2346 Comment
  NY323542  Eriogonum siskiyouense E. L. Greene 1876-8-1 1002 Siskiyou On Scott Mountain 2438.4 Comment
  UC466015  Eriogonum siskiyouense Annie M. Alexander and Louise Kellogg 1911-8-14 317 Siskiyou Mt. Eddy 2789 Comment
  CAS-BOT-BC269973  Eriogonum spergulinum var. reddingianum John Thomas Howell 1937-7-26 13561 A Siskiyou Salmon River Canyon between Big Flat and Caribou Gulch Comment
  CAS-BOT-BC262725  Eriogonum sphaerocephalum var. halimioides Geo. D. Butler 1909-5-10 721 Siskiyou Near Yreka Comment
  RSA60792  Eriogonum strictum subsp. proliferum Dorothy Parker 1948-7-25 153 Siskiyou Schoolhouse Hill, Plowman's Valley. 1154 Comment
  RSA734379  Eriogonum strictum subsp. proliferum Lester Rowntree 1937-8-5 s.n. Siskiyou Between Etna Mills and Ft. Jones. Comment
  CAS-BOT-BC262756  Eriogonum strictum var. anserinum Elmer I. Applegate 1935-6-5 9339 Siskiyou Capt. Jack's ice Cave, Lava Beds National Monument Comment
  JEPS104844  Eriogonum strictum var. greenei Dean W. Taylor 1996-6-26 15758 Siskiyou serpentine ridge on west hills of Scott Valley, on divide between Cedar Gulch and Sugar Creek (about 10 miles south of Etna); Klamath National Forest 1112 Comment
  CAS-BOT-BC263387  Eriogonum strictum var. proliferum Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  CAS-BOT-BC263389  Eriogonum strictum var. proliferum Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  CAS-BOT-BC263394  Eriogonum strictum var. proliferum Copeland 1903-9-7 3873 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC263444  Eriogonum ternatum Geo. D. Butler 1908-8-5 204 Siskiyou Summit above Cold Spring Wooly Creek Comment
  HSC71010  Eriogonum ternatum S. A. Harris 1981-7-31 606 Siskiyou Steep gravel slope 1402 Comment
  CAS-BOT-BC267941  Eriogonum umbellatum Louis C. Wheeler 1934-6-22 2759 Siskiyou Klamath National Forest. Cottonwood Cr. 914 Comment
  HSC66355  Eriogonum umbellatum Maralyn A. Renner 1980-7-24 2022 Siskiyou Lily Pad Lake 1768 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-BC267948  Eriogonum umbellatum Dorothy Parker 1948-7-11 107 Siskiyou Upper Shovel Creek near Beswick 1011 Comment
  HSC61798  Eriogonum umbellatum Ruby Van Deventer 9 Aug [year missing] Siskiyou Poker Flat 1585 Comment
  HSC32766  Eriogonum umbellatum var. argus Frederick W. Oettinger 1969-8-19 1450 Siskiyou Marble Mtn. Wilderness Area, steep S side of David Mtn. S of Charmaine Lake, near ridge top 2043 Comment
  CAS-BOT-BC267794  Eriogonum umbellatum var. ellipticum Louis C. Wheeler 1934-9-1 75541 Siskiyou Jaynes Canyon, Klamath National Forest 1950 Comment
  HSC43408  Eriogonum umbellatum var. humistratum K. T. Stillman 1976-6-27 147 Siskiyou Marble Mtn. Wilderness area 2073 Comment
  HSC95793  Eriogonum umbellatum var. lautum James L. Reveal 2001-7-19 8348 Siskiyou Scott Valley, along S Kidder Creek Rd., 0.5 mi. WSW of Hwy. 3, 6.1 mi. SW of Fort Jones, 5.7 mi. N of Etna 869 Comment
  UC163828  Eriogonum umbellatum var. modocense Geo. D. Butler 1910-6-19 1580 Siskiyou Goosenest Mountain 1524 Comment
  RSA183428  Eriogonum umbellatum var. nevadense J. M. Tucker, L. K. Mann 1963-8-18 3761 Siskiyou Saddle between Marble Mountain and SW ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area 2104 Comment
  POM208306  Eriogonum umbellatum var. polyanthum Louis C. Wheeler 1934-6-22 2759 Siskiyou Dry sunny hillside. Cotton Creek, Siskiyou Mts. 915 Comment
  POM253224  Eriogonum umbellatum var. polyanthum A. A. Heller 1938-7-13 1527 Siskiyou Border of meadows just south of Bray. 1402 Comment
  SBBG14884  Eriogonum umbellatum var. polyanthum A. I. Richardson 1961-6-8 17 Siskiyou near Big Springs Rd N of jct with Hwy 97 914 Comment
  HSC77247  Eriogonum umbellatum var. stellatum L. P. Janeway 1983-9-23 693 Siskiyou At Poker Flat 1524 Comment
  CAS-BOT-BC435530  Eriogonum ursinum var. erubescens James L. Reveal; Julie D. Knorr 2002-8-5 8371 Siskiyou Scott Bar Mountains, N and W slope and ridge of Deadwood Baldy Peak, Klamath Naitonal Forest 1725 Comment
  RSA0005173  Eriogonum ursinum var. erubescens Jon P. Rebman, Julie D. Knorr 2002-8-5 8371 Siskiyou Scott Bar Mountains, n and w slope and ridge of Deadwood Baldy Peak, Klamath National Forest, 1675 Comment
  CDA14218  Eriogonum vimineum G. F. Hrusa 1997-9-18 14105 Siskiyou Summit of Pass between Callahan & Gazelle, W of Mountain House. Comment
  HSC17386  Eriogonum vimineum R. C. Wunner 1965-6-29 294 Siskiyou Lava Beds N. M., 0.25 mi. NW of Lower Caldwell Ice Cave 1433 Comment
  RSA14326  Eriophorum angustifolium Elmer I. Applegate 1895-5-28 770 Siskiyou 18th crossing of the Sacramento River below Sisson Comment
  POM116867  Eriophorum crinigerum Geo D. Butler 1910-7-9 1703 Siskiyou Log Lake, Shackleford Creek. 1220 Comment
  HSC92594  Eriophyllum lanatum Jennifer Whipple 1976-7-9 1392 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2226 Comment
  SEINET7073526  Eriophyllum lanatum A. G. Vestal 1963-6-3 s.n. Siskiyou Lava boulders south of Gazelle. UTM Zone 10, 544048mN, 4590451mN. Coordinate datum: NAD27. 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-BC301114  Eriophyllum lanatum var. achilleoides A. A. Heller 1905-6-8 7992 Siskiyou Yreka Comment
  JEPS34501  Eriophyllum lanatum var. achilleoides W. L. Jepson 1940-6-23 20002 Siskiyou n of Mt. Shasta; Andesite station 975 Comment
  UC507152  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-7-6 E 120 Siskiyou 5 mi s of Bray Comment
  UC726554  Eriophyllum lanatum var. achilleoides A. A. Heller 1916-7-22 12488 Siskiyou e side Mt. Eddy Comment
  CAS-BOT-BC301106  Eriophyllum lanatum var. achilleoides Doris K. Kildale; J. W. Gillespie 1929-6-22 8031 Siskiyou W. base of Black Butte, Mt. Shasta Comment
  CAS-BOT-BC301135  Eriophyllum lanatum var. achilleoides L. Constance 1933-6-21 E 85 Siskiyou 9 miles north of Weed Comment
  CAS-BOT-BC301451  Eriophyllum lanatum var. grandiflorum W. B. Cooke; V. G. Cooke 1963-7-9 34219 Siskiyou Near McBride Springs, in dry Cascade Gulch. Mt. Shasta Comment
  JEPS47724  Eriophyllum lanatum var. integrifolium W. B. and V. G. Cooke 1966-7-16 37211 Siskiyou road above Black Butte Station; Mt. Shasta 1219 Comment
  CAS-BOT-BC301703  Eriophyllum lanatum var. lanceolatum Gilbert Muth 1965-7-29 s.n. Siskiyou Trail to Marble Mt. Lookout Comment
  CDA15577  Eriophyllum lanatum var. lanceolatum G. F. Hrusa 1998-7-5 14684 Siskiyou Siskiyou Mountains; S side of pass on Happy Camp-O'Brien Rd. Ca. side of State Boundary, above Indian Ck. Camp. Comment
  UC163897  Eriophyllum lanatum var. lanceolatum Geo. D. Butler 1908-8-8 344 Siskiyou Shackelford Creek Log Lake Comment
  JEPS83578  Eryngium alismifolium Dean Wm. Taylor, Glenn L. Clifton, and R. Doug Stone 1987-8-6 9246 Siskiyou White Deer Lake extreme n.e. Siskiyou Co., White Deer Lake 1508 Comment
  CAS-BOT-BC54575  Erysimum capitatum L. E. Smith 1913-5-25 280 Siskiyou Gazelle. Comment
  CAS-BOT-BC54579  Erysimum capitatum Doris K. Kildale 1929-7-20 8584 Siskiyou East spur Preston Peak above Rockefeller Lake. 2133 Comment
  CAS-BOT-BC54589  Erysimum capitatum Carl B. Wolf 1927-8-27 1128 Siskiyou On the Klamath River, 7 miles below Happy Camp. Comment
  SJSU2552  Erysimum capitatum H. L. Buckalew 1962-7-14 Siskiyou Poker Flat c. 3 mi W of junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts 1143 Comment
  HSC36817  Erysimum capitatum var. capitatum J. P. Smith 1974-5-27 7616 Siskiyou Along FS Rd. 47N03 1280 Comment
  SEINET13723920 Image available Erythranthe moniliformis John M. Tucker, Louis K. Mann 1963-1 3690 Siskiyou Ca. 4.7 miles (by road) southwest of Etna, beside road from Etna to Sawyer's Bar Comment
  CHSC33834  Erythranthe primuloides R. E. Preston 1981-8-22 141 Siskiyou N shore of Juanita Lake. 1556 Comment
  SEINET10966318  Erythronium grandiflorum var. pallidum F. Marion Ownbey, Ruth P. Ownbey 1938-7-19 Ownbey 1753 Siskiyou Near melting snow, summit of the Siskiyou Mountains, 2 1/2 miles northwest of Dry Lake Lookout. Comment
  HSC68355  Eschscholzia californica J. P. Smith 1973-5-5 6541 Siskiyou Scott Bar along the Scott River Comment
  CAS-BOT-BC403674  Eschscholzia californica Doris K. Kildale 1929-6-25 8368 Siskiyou 6 miles north of Klamath River at Hornbrook on Pacific Highway Comment
  CAS-BOT-BC403684  Eschscholzia californica Mrs. H. C. Cantelow 1936-5-30 1365 Siskiyou Bet. Yreka and Fort Jones Comment
  UC1409464  Eucephalus glabratus Frederick W. Oettinger 1968-8-16 548 Siskiyou Hancock Lake, vicinity of English Peak Salmon Mountains, Marble Mountain Wilderness Area, Hancock L 1935 Comment
  CAS-BOT-BC383118  Eucephalus tomentellus Andrew Townesmith; Karen M. Meyer 2007-7-28 863 Siskiyou Shasta-Trinity National Forest. Along Forest Service route 26, 4.1 miles west of forest boundary 1277 Comment
  JEPS109885  Eucephalus tomentellus Dean W. Taylor 2005-8-18 19474 Siskiyou Dry Creek Peak, cirque on north face at headwaters Antelope Creek 1950 Comment
  JEPS9608  Euonymus occidentalis var. occidentalis Geo. D. Butler 1908-8-22 407 Siskiyou Eldredge's corral Russian Creek 1219 Comment
  JEPS69764  Euphorbia crenulata W. B. and V. G. Cooke 1972-7-6 45461 Siskiyou Mud Creek Dam Road Mt. Shasta (Mt. Shasta) Comment
  UC1971261  Euphorbia maculata Louis C. Wheeler 1963-8-23 8266 Siskiyou KLAMATH RIVER: Walker (near Oak Knoll). Comment
  HSC42923  Eurybia radulina Ken Stillman 1976-8-31 463 Siskiyou Along the Klamath River at Williams Point. 366 Comment
  JEPS31925  Eurybia radulina Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson Upper Sacramento, Mt. Shasta Comment
  HSC72193  Euthamia occidentalis J. P. Smith 1976-9-5 8985 Siskiyou In Scott Valley 671 Comment
  HSC67573  Fallopia convolvulus J. P. Smith, Steve Selva 1970-7-17 4442 Siskiyou 915 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
  HSC19063  Festuca californica J. O. Sawyer 1969-6-12 900 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  UCD65872  Festuca californica subsp. californica R. Tofsrud 1948-8-1 Siskiyou Near summit of road from Happy Camp to O'Brien, Oregon. 1219 Comment
  CAS-BOT-BC278738  Festuca idahoensis Louis C. Wheeler 1934-6-7 2658 Siskiyou North Hungry Creek, Siskiyou Mts. 1219 Comment
  POM211393  Festuca idahoensis L. C. Wheeler 1934-6-7 2658 Siskiyou North Hungry Creek. 1220 Comment
  CHSC110947  Festuca occidentalis B. Castro; L. P. Janeway 2007-7-29 1671 Siskiyou High Cascade Range. Medicine Lake Highlands; Pumice Stone Mountain, at base of the dN-facing slope. Ca 150 ft up old Rd43N39 (now closed) from jcn with its 'A' spur, in the old roadbed on semi-shaded red fir forest floor. Comment
  HSC42884  Festuca occidentalis J. O. Sawyer, K. T. Stillman 1976-7-1 2791 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  UCD66184  Festuca occidentalis Geo. D. Butler 1910-6-5 1481 Siskiyou Shackleford Creek. Comment
  CAS-BOT-BC278917  Festuca ovina C. L. Hitchcock; J. S. Martin 1939-7-9 5321 Siskiyou 1/2 mile southeast of King's Castle, Marble Mts. 1828 Comment
  JEPS80506  Festuca roemeri Gilbert Muth 1966-7-25 448 Siskiyou Marble Mt. Lookout Marble Mountain Wilderness Area 2097 Comment
  SEINET239826 Image available Festuca roemeri var. klamathensis Barbara L. Wilson 1996-6-22 8170 Siskiyou app. 6 mi west of the town of Weed; 2.5 mi southwest of the Gazelle Rd on the Stewart Springs Road (Forest Service Rd 17.) Comment
  UC1265442  Festuca subulata Frederick W. Oettinger 1969-9-4 1629 Siskiyou e side Hancock Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  HSC97  Fragaria vesca William J. Ferlatte 1966-6-22 110 Siskiyou 3 mi. S of Big Flat 1585 Comment
  UC454005  Fragaria vesca I. J. Condit 1911-7-7 Siskiyou Shasta Retreat 1066 Comment
  CAS-BOT-BC447518  Fragaria virginiana var. platypetala Wm. Bridge Cooke 1938-7-15 11251 Siskiyou Wagon Camp. Occasional along the outer fringe of the meadow in dry locations. 1737 Comment
  CAS-BOT-BC53417  Frangula californica subsp. occidentalis Doris K. Kildale 1929-8-24 8812 Siskiyou Preston Peak 2225 Comment
  CAS-BOT-BC53418  Frangula californica subsp. occidentalis Doris K. Kildale 1929-7-20 8655 Siskiyou trail up South Fork, Indian Creek to Elk Lick Comment
  HSC101837  Frangula rubra subsp. obtusissima J. P. Smith, J. O. Sawyer, R. J. Cole 2011-5-22 13169 Siskiyou Klamath National Forest, East Fork Campground. 735 Comment
  UC1949127  Frasera albicaulis var. nitida Barbara Ertter 1990-7-14 9304 Siskiyou E side Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mi N of Morgan Meadows, steep E-facing serpentine hillside Comment
  POM130859  Fraxinus latifolia E. B. Copeland 1903-7-4 3559 Siskiyou Klamathon Comment
  UC1045281  Fraxinus latifolia W. Bridge Cooke 1940-6-20 15174 Siskiyou below Hornbrook (along banks of Klamath River); Klamath River Comment
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Aug 20 2012
  CHSC2273  Fritillaria atropurpurea M. Yoder 1941-7-6 Siskiyou Castle Lake. 1950 Comment
  CAS-BOT-BC502836  Fritillaria atropurpurea R. C. Barneby 1954-5-17 11538 Siskiyou Scott Mountains 8 miles above Callahan Comment
  CAS-BOT-BC502846  Fritillaria atropurpurea Gilbert Muth 1966-7-8 356 Siskiyou Marble Valley, Marble Mountains 1792 Comment
  RSA289931  Fritillaria atropurpurea Geo D. Butler 1909-4-27 689 Siskiyou Quartz Valley Comment
  CAS-BOT-BC506212  Fritillaria pudica F. M. Anderson 1896-4-1 s.n. Siskiyou Near Yreka Comment
  HSC90036  Fritillaria pudica Andrew Enberg, Brad Penkala, Dan Scofield 1990-4-4 32 Siskiyou E side of Hwy. 3, 8 mi. N of Scott River Ranger Station 1159 Comment
  CAS-BOT-BC504470  Fritillaria recurva Mrs. Van Fassen 1925-4-1 s.n. Siskiyou Dunsmuir Comment
  HSC58970  Galium bifolium Gilbert Muth 1975-7-29 3075 Siskiyou Near Kangaroo Mtn., close to the town of Seiad Valley 1756 Comment
  HSC76632  Galium bifolium K. T. Stillman 1976-6-25 29 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  HSC90528  Galium bifolium Jennifer Whipple 1976-7-9 1383 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2195 Comment
  UCD77234  Galium bifolium Robert E. Preston 2001-6-30 1644 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 1722 Comment
  JEPS25705  Galium bolanderi P. C. Hutchison 1961-5-22 2039 Siskiyou on Hwy 299 2.7 mi n Clear Creek (w side of river 5.7 mi s of Happy Camp); Klamath River Comment
  UCD121615  Galium bolanderi J. P. Smith; Steve Selva 1970-7-28 4531 Siskiyou South Fork of Sacramento River. 1127 Comment
  UCSB17349  Galium bolanderi Hardham, Clare 1961-6-30 Siskiyou White Moutnain, Siskiyou Mountains Comment
  HSC19813  Galium glabrescens Lauramay T. Dempster, Clare B. Hardham 1961-7-1 1820 Siskiyou White Mtn., just S of the Oregon border, E slope just below the peak Comment
  RSA756845  Galium glabrescens Barbara Ertter 1990-7-14 9329 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4 miles west of Mt. Shasta City Comment
  JEPS52759  Galium porrigens var. porrigens G. Ledyard Stebbins 6136 Siskiyou 2 mi w Cecilville (on road to Forks of Salmon) Comment
  UCD80889  Galium trifidum subsp. subbiflorum Robert E. Preston 2001-6-23 1583 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake. 1889 Comment
  HSC19065  Galium triflorum J. O. Sawyer 1969-7-23 1177 Siskiyou Along road near Horse Range Creek. 1341 Comment
  HSC61791  Galium triflorum Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  HSC36168  Galium triflorum Brent Whiteley 1975-6-28 69 Siskiyou 915 Comment
  CAS-BOT-BC182232  Garrya fremontii Edward Lee 1934-8-13 1058 Siskiyou Happy Camp to Waldo (Oregon) road, watershed of West Branch of Indian Creek, Klamath National Forest 1219 Comment
  CAS-BOT-BC182267  Garrya fremontii Wm. Bridge Cooke 1941-9-16 16319 Siskiyou Along the Castle Lake Road 1219 Comment
  CAS-BOT-BC182269  Garrya fremontii L. E. Smith 1912-7-1 s.n. Siskiyou Hornbrook Comment
  POM131994  Garrya fremontii Geo. D. Butler 1910-3-12 1125 Siskiyou Near Yreka. 1067 Comment
  UCSB24872  Garrya fremontii Favero, R. 1968-3-27 Siskiyou on southwest steep slopes; 1.5 miles west of Yreka, Calif, on Humbug road, Humbug Mountain 975 Comment
  CDA38569  Garrya fremontii D. H. Shaw 1979-2-9 s.n. Siskiyou Near Somes Bar; Highway 96, Mile post 9.49. 0 Comment
  UC1409444  Gaultheria ovatifolia Frederick W. Oettinger 1968-9-8 785 Siskiyou High Lake Basins in vicinity of English Peak (along shoreline of English Lake, Marble Mountain Wilderness Area, western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English L 1752 Comment
  HSC19495  Gayophytum diffusum subsp. parviflorum J. O. Sawyer 1969-8-4 1879 Siskiyou S of S Sugar Lake 2104 Comment
  POM261010  Gayophytum diffusum subsp. parviflorum W. Bridge Cooke 1941-9-10 16307 Siskiyou In the yard at Horse Camp, Mt. Shasta. 2439 Comment
  RSA120944A  Gayophytum diffusum subsp. parviflorum Wagnon 1957-8-11 1700 Siskiyou East slope of Mt. Shasta in meadow ca. 1 mile west of Military Pass Road along road to Brewer Cr. Comment
  CHSC1133  Gayophytum heterozygum V. Holt 1932-7-15 Siskiyou S.S. Campus, Mt. Shasta City. 1097 Comment
  JEPS27537  Gayophytum heterozygum Willis L. Jepson Jul 24 1894-Aug 10 1894 14435 Siskiyou Sisson Region of the Upper Sacramento Comment
  POM258620  Gayophytum heterozygum W. Bridge Cooke 1940-7-12 15340 Siskiyou Mount Shasta: along the Memorial Highway below MacBride Springs. 1372 Comment
  POM256536  Gayophytum humile W. Bridge Cooke 1940-6-6 15059 Siskiyou Near the outlet of Castle Lake 1677 Comment
  POM312608  Gayophytum racemosum H. L. Mason 1948-7-17 13603 Siskiyou Eastern Grass Lake. Comment
  POM130547  Gentiana newberryi E. B. Copeland 1903-9-7 3878 Siskiyou Mt. Eddy. Comment
  HSC91278  Gentianella amarella subsp. acuta Jennifer Whipple 1976-9-3 1782 Siskiyou Mt. Eddy, W-facing slope of the ridge between Durney Lake and Little Crater Lake 2287 Comment
  HSC77007  Geranium richardsonii K. T. Stillman 1976-6-25 81 Siskiyou Marble Mtn. Wilderness Area, N side of Elk Valley. 1799 Comment
  RSA105502  Gilia capitata G. D. Barbe 1955-6-28 026 Siskiyou 1.5 miles north of Callahan 1006 Comment
  UC52694  Gilia clivorum F. W. Hooper Siskiyou Little Shasta Comment
  SEINET7073524  Gilia latifolia 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
  RSA47617  Githopsis specularioides Roxana S. Ferris, Laura Lorraine 1948-6-12 11732 Siskiyou French Creek Logging Road W of Callahan. 1067 Comment
  UC163072  Glyceria elata Copeland 1903-9-8 3795 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC282791  Glyceria leptostachya Louis C. Wheeler 1934-6-26 2797 Siskiyou Cottonwood Creek, Siskiyou Mts. 838 Comment
  UCD66793  Glyceria occidentalis P. B. Kennedy 1923-7-29 Siskiyou By Camp - Sisson. Comment
  CAS-BOT-BC302664  Gnaphalium palustre Geo. B. Grant 1902-9-6 5088 Siskiyou Sisson Comment
  HSC68353  Gnaphalium palustre J. P. Smith, Steve Selva 1970-7-16 4437 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  JEPS34044  Gnaphalium palustre W. L. Jepson 1940-7-3 20101 Siskiyou Big Bear Flat (large mdw. e 5 mi se of Bartle) Big Bear Flat 1219 Comment
  UC637148  Gnaphalium palustre Edward Lee 1934-8-15 1136 Siskiyou summit of road between Waldo (Oregon) and Happy Camp; Klamath National Forest, Indian Creek watershed 1615 Comment
  UC896940  Gnaphalium palustre A. A. Heller 1915-8-24 11211 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 Comment
  CAS-BOT-BC303202  Gnaphalium palustre Copeland 1903-10-5 3840 Siskiyou Igerma Comment
  UC1408895  Gnaphalium palustre F. W. Oettinger 1969-8-21 1479 Siskiyou near Ethel Lake (w Siskiyou County); Salmon Mountains, Ethel Lake Comment
  UC336046  Grindelia hirsutula unknown 1889-6-28 Siskiyou near Edgwood Comment
  UC87887  Grindelia hirsutula Mrs. K. Brandegee 1889-7-1 Siskiyou Hornbrook Comment
  NY169619  Grindelia nana var. turbinella A. A. Heller 1917-9-7 12979 Siskiyou Shasta Valley, 10 miles south of Gazelle 914.4 Comment
  OBI5327  Gypsophila paniculata T. C. Fuller 1963-8-27 11160 Siskiyou N limits of Macdoel Comment
  HSC38812  Hackelia bella J. O. Sawyer 1970-7-4 2326 Siskiyou At Cedar Flat Cabin 1402 Comment
  UCD77746  Hackelia californica Robert E. Preston 2001-6-23 1600 a Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 2011 Comment
  HSC3666  Hackelia cusickii R. C. Wunner 1965-8-27 484 Siskiyou Lava Beds National Monument; Devil's Homestead where road runs through near Juniper on H.Q. side of flow Comment
  UC54749  Hackelia micrantha Harley P. Chandler June, 1901 1604 Siskiyou near Marble Mountain; Northern Coast Ranges 1828 Comment
  UC1190276  Hackelia micrantha Ira L. Wiggins 1955-7-29 13575 Siskiyou n facing slope between Caribou Lake and Pass to Thomas Creek; Trinity Alps 1956 Comment
  HSC41469  Hackelia setosa Ed Cope 1977-7-16 131 Siskiyou Johnson's Hunting Grounds Trail at Wilderness Area border 1677 Comment
  UC1041016  Hastingsia alba J. W. Congdon 1900-8-8 Siskiyou near Sisson; near Sisson Comment
  UC375208  Hastingsia alba Geo. D. Butler 1910-6-5 1518 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC504615  Hastingsia alba A. A. Heller 1919-6-25 13268 Siskiyou Compton's prairie, north base of Mt. Eddy 1158 Comment
  CAS-BOT-BC504620  Hastingsia alba John Thomas Howell 1937-7-26 13531 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CDA39324  Hastingsia alba T. C. Fuller 1958-6-19 1821 Siskiyou Highway 99, 3 miles south of Gazelle. 0 Comment
  RSA120206  Hastingsia alba S. S. Tillett 1956-7-9 675 Siskiyou N side Scott Mtn divide, headwaters of Mule Creek, Siskiyou Trinity line, 8 miles SE of Callahan. 1616 Comment
  SEINET12044227  Hastingsia alba L. S. Rose 1937-1 37398 Siskiyou Weed 945 Comment
  SEINET8480293  Hastingsia alba W. Roderick 1967-7-27 s.n. Siskiyou Gumboat Lake, SW of Mt. Eddy. 1829 Comment
  HSC29097  Hazardia whitneyi var. discoidea Frederick W. Oettinger 1968-9-3 684 Siskiyou Marble Mtn. Wilderness Area, above Horse's Hole near Horse Range Lake 1829 Comment
  JEPS120254  Hazardia whitneyi var. discoidea Julie Kierstead Nelson 2011-8-23 2011 -46 Siskiyou Eastern Klamath Mountains, The Eddys, North side of Fawn Creek, 2 miles NE of Gumboot Lake Comment
  RSA237499  Hazardia whitneyi var. discoidea Frederick W. Oettinger 1968-9-3 684 Siskiyou Above Horse's Hole near Horse Range Lake . The Salmon Mtns. High Lakes Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CHSC351  Helenium bigelovii V. Holt 1943-8-14 Siskiyou Marble mountains. 1828 Comment
  HSC60810  Helenium bigelovii Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  RSA298337  Helenium bigelovii J. P. Smith, Steve Selva 1970-7-16 4410 Siskiyou Beaver Creek Campground 823 Comment
  UC456073  Helianthella californica subsp. nevadensis I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat; Mt. Bradley 1524 Comment
  JEPS107102  Helianthella californica subsp. shastensis Barbara Ertter 1990-7-14 9324 Siskiyou Wagon Creek on e side of Mount Eddy, ca 4 air mi w of Mount Shasta City 1950 Comment
  UC585080  Helianthella californica subsp. shastensis E. B. Babcock and G. L. Stebbins Jr. 1936-6-13 1996 Siskiyou about 1 1/2 mi w Mt. Shasta City (e and ne slope of spur ofRainbow Bridge above Sulloway Creek) 1180 Comment
  RSA68881  Helianthella californica var. shastensis A. E. Culbertson 1943-7-1 75 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600 eastern spur of Trinity Mts.; 2000' above Sacramento. within 10 air miles of its headwaters to the west. Comment
  SEINET11835695  Helianthella californica var. shastensis H. P. Chandler 1901-1 1535 Siskiyou Klamath River 427 Comment
  CAS-BOT-BC305577  Helianthus bolanderi Geo. B. Grant 1902-9-14 5209 Siskiyou Dunsmuir Comment
  UC61689  Helianthus bolanderi Geo. B. Grant 1902-9-1 5207 Siskiyou Dunsmuir Mount Shasta, Dunsmuir 609 Comment
  CAS-BOT-BC313446  Hemizonella minima C. L. Hitchcock; J. S. Martin 1939-7-9 5325 Siskiyou 1/2 mile southeast of King's Castle, Marble Mts. 1828 Comment
  UC722218  Hemizonella minima C. L. Hitchcock and J. S. Martin 1939-7-9 5325 Siskiyou 1/2 mi se King's Castle; Marble Mts. 1828 Comment
  JEPS19789  Hemizonella minima Rimo Bacigalupi with S. Galen Smith 1957-6-25 5932 Siskiyou forest land just w Black Butte railroad junction 1188 Comment
  UCR80254  Hemizonia fitchii L. C. Wheeler 1934-10-6 3309 Siskiyou Shasta Valley, 2 mi. SE of Yreka 856 Comment
  SD40665  Hesperocyparis bakeri Carl B. Wolf, E. R. Johnson 1934-10-8 Siskiyou Modoc lava Beds, 1 mile northeast of Timbered Crater on Old Stage Road from Dana to Little Hot Springs Valley 1220 Comment
Read comments
Mar 29 2012
  JEPS11809  Heterocodon rariflorum W. L. Jepson 1940-7-3 20116 Siskiyou about 5 mi se Bartle; Big Bear Flat 1219 Comment
  CAS-BOT-BC311034  Heterotheca oregona var. compacta Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar Comment
  OBI53775  Heterotheca oregona var. compacta David J. Keil 1992-7-20 23479 Siskiyou 10.3 mi W of Fort Jones along Scott River rd; above Scott river 900 Comment
  RSA183742  Heterotheca villosa var. minor Gilbert Muth 1965-8-4 s.n. Siskiyou Near the Marble, Marble Valley; Marble Mts. Comment
  HSC36428  Heuchera merriamii J. O. Sawyer 1969-7-9 1253 Siskiyou W facing slope above Bingham Lake 2317 Comment
  JEPS54950  Heuchera merriamii Wayne Roderick and Dorothy Parker 1966-7-26 Siskiyou at edge of Kangaroo Lake (n side of Scott Mts); Scott Mountains, Kangaroo Lake 1844 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
  CAS-BOT-BC420734  Heuchera merriamii G. Muth 1965-8-11 s.n. Siskiyou In upper meadows, Marble Valley Comment
  HSC20189  Heuchera rubescens W. Roderick, Dorothy Parker 1966-7-26 Siskiyou Edge of Kangaroo Lake, N side of Scott Mtns. 1845 Comment
  CHSC1637  Heuchera rubescens var. glandulosa M. Yoder 1941-7-12 Siskiyou Castle Lake. 1981 Comment
  CAS-BOT-BC319696  Hieracium albiflorum Alice Eastwood 1921-7-28 10887 Siskiyou Medicine Lake Comment
  UC897799  Hieracium albiflorum A. A. Heller 1915-8-26 12229 Siskiyou n side Mt. Eddy 2133 Comment
  RSA183734  Hieracium albiflorum Gilbert Muth 1965-8-11 204 Siskiyou Marble Valley. Marble Mtns. Comment
  HSC22155  Hieracium bolanderi J. O. Sawyer 1969-7-16 1132 Siskiyou Summit NE of Waterdog Lake 2332 Comment
  CAS-BOT-BC318546  Hieracium greenei Gilbert J. Muth 1969-8-6 1238 Siskiyou Boulder Peak Ridge 2468 Comment
  UC92059  Hieracium greenei T. S. Brandegee Siskiyou Mount Shasta Comment
  RSA608270  Hieracium greenei L. C. Wheeler 1935-7-23 3687 Siskiyou Miller Glade, Siskiyou Mountains. 1829 Comment
  UC1408928  Hieracium greenei Frederick W. Oettinger 1969-9-5 1685 Siskiyou next basin e of Salamander Lake Basin; Abbot's Lake 1798 Comment
  UC618677  Hieracium horridum W. Bridge Cooke 1938-8-18 11492 Siskiyou Horse Camp Slopes Mt. Shasta Comment
  UC144251  Hieracium nudicaule A. A. Heller 1905-6-22 8088 Siskiyou near Igerna Comment
  UCD77770  Hieracium nudicaule Robert E. Preston 2001-7-21 1701 Siskiyou Klamath National Forest, near south end of Antelope Creek Meadow, 1633 Comment
  POM33158  Hieracium parryi Geo D. Butler 1910-6-3 1470 Siskiyou Quartz Valley. Comment
  CAS-BOT-BC316022  Hieracium scouleri Wm. F. Herrin 1921-6-28 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC320105  Hieracium triste John Thomas Howell 1939-8-8 15152 Siskiyou Black Mt., Marble Mts. Comment
  HSC36734  Holodiscus discolor Brent Whitely 1975-7-1 115 Siskiyou 671 Comment
  HSC40468  Holodiscus discolor J. O. Sawyer 1973-7-18 2554 Siskiyou 1524 Comment
  RSA237614  Holodiscus discolor Frederick W. Oettinger 1967-8-10 244 Siskiyou Cliffs south of of Tobacco Lake basin. meadows, 1/8 mile southeast of Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  UC1409361  Holodiscus discolor Frederick W. Oettinger 1968-8-13 503 Siskiyou se side of Hancock Lake, High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  CAS-BOT-BC152367  Holodiscus discolor var. discolor Lillian Mott 1976-7-8 44 LM76 Siskiyou Salt Gulch, a tributary of Horse Creek ca. 7 miles north of the Klamath River 853 Comment
  CAS-BOT-BC150135  Holodiscus microphyllus var. glabrescens Elmer I. Applegate 1923-8-18 3873 Siskiyou Crest of Redshale Mountain, east side of Medicine Lake Comment
  CAS-BOT-BC150145  Holodiscus microphyllus var. glabrescens Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  RSA597962  Holodiscus microphyllus var. microphyllus Louis C. Wheeler 1963-9-3 8340 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
  CDA3418  Holosteum umbellatum J. G. Schieber 1978-5-3 Siskiyou Don Dysert ranch, Macdoel. 0 Comment
  CHSC86666  Holosteum umbellatum subsp. umbellatum Jenny Marr 1993-7-1 49 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA602817  Hordeum brachyantherum L. C. Wheeler 1934-6-26 2794 Siskiyou Cottonwoods Creek; Border of sunny creek; Siskiyou Mts., Mt. Diablo Mer. 838 Comment
  JEPS44540  Horkelia daucifolia Geo. D. Butler 1909-5-8 713 Siskiyou e Yreka (Shasta Valley); Shasta Valley Comment
  UC1096805  Horkelia daucifolia Milo S. Baker 1947-6-16 13170 Siskiyou Trip to Scott Mt. after turn off near Callahan Comment
  CHSC30905  Horkelia fusca subsp. parviflora M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3258 Siskiyou Yellow Pine plantation, ca. 50 ft e of Hwy 15, ca. 3 mi n of its jct with Hwy 89, ca. 17 mi e of McCloud. Comment
  JEPS77496  Horkelia fusca subsp. parviflora Susan Horner 1978-6-30 397 Siskiyou About 4 mi s-se Hambone (on road between 40N05 and Sand Flat Well) 1280 Comment
  RSA507457  Horkelia tridentata S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  HSC70599  Horkelia tridentata var. flavescens J. O. Sawyer, R. J. Cole 1981-7-2 4153 Siskiyou Near Scott Mtn. Campground 1585 Comment
  CAS-BOT-BC201128  Hosackia crassifolia Geo. D. Butler 1910-6-6 1452 Siskiyou Quartz Valley Comment
  CAS-BOT-BC312574  Hulsea nana W. R. Dudley 1899-8-26 s.n. Siskiyou Top of Eddy Mountain Comment
  SEINET480179  Hulsea nana D. Wilken 1972-8-6 Siskiyou Summit of Cinder Cone (Cinder Butte), about 3 miles west of Mammoth Crater Comment
  CDA2813  Humulus lupulus T. C. Fuller 1959-10-21 3155 Siskiyou North limits of Mt. Shasta City. 0 Comment
  HSC36877  Hydrophyllum capitatum var. alpinum J. P. Smith 1974-5-26 7548 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC36952  Hydrophyllum capitatum var. alpinum J. P. Smith 1974-5-26 7589 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  HSC69572  Hydrophyllum occidentale Maralyn A. Renner 1980-8-6 2265 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  UC922469  Hydrophyllum occidentale Annie M. Alexander and Louise Kellogg 1949-7-24 5864 Siskiyou trail to Bear Lake; Marble Mountains, Paradise Lake 1920 Comment
  RSA78829  Hydrophyllum occidentale P. A. Munz 1952-7-2 17907 Siskiyou Exposed stony ridge west of Baldy Mountain about 6 air-line miles west of Happy Camp, Siskiyou Mountains. 1784 Comment
  UCD119488  Hydrophyllum occidentale Sandra Holloway 1963-5-19 57 Siskiyou 2 1/2 miles west of Hawkinsville. 1066 Comment
  RSA715488  Hymenolobus procumbens L. Ahart, John Dittes 2005-6-9 12044 Siskiyou On the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 22 1/2 miles (air) east-southeast of Grenada. 775 Comment
  SEINET193110  Hymenoxys lemmonii Ynez Whilton Winblad 1941-6-20 sn Siskiyou Btwn. Weed and Yreka. Comment
  UC187747  Hypericum formosum var. scouleri Katharine Brandegee July 1887 Siskiyou Edgewood Comment
  HSC89866  Iliamna bakeri L. R. Heckard, Lincoln Constance, Robert Ornduff 1969-6-24 2290 Siskiyou NW side of Mt. Shasta along Hwy. 97, 0.7 miles S of Bolam road junction Comment
  UCD118220  Ipomopsis aggregata Jack Major 1961-7-14 638 Siskiyou Wagon Camp Meadow, Mount Shasta. 1737 Comment
  HSC77055  Ipomopsis aggregata K. T. Stillman 1976-8-7 186 Siskiyou Marble Mtn. Wilderness Area., upper slopes of Marble Mtn. 1951 Comment
  JEPS87632  Ipomopsis aggregata subsp. formosissima Vernon H. Oswald and Lowell Ahart 1994-8-10 6463 Siskiyou ca. 5 mi. (air) n.w. McCloud (FS 31 0.6 mi. e. of Ski Park Hwy. (FS 88)) 1584 Comment
  HSC76648  Ipomopsis congesta K. T. Stillman 1976-8-7 176 Siskiyou Marble Mtn. Wilderness Area. 2073 Comment
  UC23469  Ipomopsis congesta Harley P. Chandler 1901-6-1 1666 Siskiyou Marble Mtn North Coast Ranges 2438 Comment
  JEPS116877  Ipomopsis congesta David Gowen 2007-7-11 778 Siskiyou Southeast of Lake Shastina and Hwy 97 on forest service road 42N15. Near rocky area on side trail, midway between railroad tracks and pumice mine. Comment
  JEPS13902  Isatis tinctoria Geo. D. Butler 1909-6-13 804 Siskiyou Scott River Comment
  HSC91420  Isoetes bolanderi Jennifer Whipple 1978-10-6 2435 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC371168  Isoetes bolanderi G. D. Butler 1908-8-8 254 Siskiyou Wooly Creek 1524 Comment
  RSA237984  Isoetes occidentalis Frederick W. Oettinger 1969-8-7 1268 Siskiyou W end of English Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1753 Comment
  UC922487  Isoetes occidentalis Annie M. Alexander and Louise Kellogg 1949-7-25 5849 Siskiyou pond s of Lake Paradise Lake; Marble Mts 2072 Comment
  CDA8048  Iva axillaris T. C. Fuller 1960-7-26 4879 Siskiyou Sam s Neck, ca. 10 miles southwest of Dorris. 0 Comment
  HSC90597  Ivesia gordonii Jennifer Whipple 1976-6-17 1033 Siskiyou W facing slope of ridge between Durney Lake and Little Crater Lake 2409 Comment
  HSC78394  Juncus balticus subsp. ater L. P. Janeway 1983-9-11 675 Siskiyou Poker Flat 1524 Comment
  HSC92707  Juncus balticus subsp. ater Jennifer Whipple 1976-7-8 1356 Siskiyou Along drainage into SW side of Dobkins Lake 2195 Comment
  HSC67956  Juncus bolanderi Steve Selva, J. P. Smith 1970-7-15 4344 Siskiyou Klamath National Forest, rd. to Happy Camp 732 Comment
  RSA44507  Juncus bolanderi Henry M. Pollard 1948-8-11 s.n. Siskiyou Irving Creek, north of Somes Bar. Comment
  RSA759843  Juncus covillei Robert F. Thorne 1969-8-2 63397 Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak 1159 Comment
  HSC30686  Juncus drummondii Frederick W. Oettinger 1968-9-8 781 Siskiyou Marble Mtn. Wilderness Area, near outlet of stream of English Lake 1753 Comment
  HSC30704  Juncus drummondii Frederick W. Oettinger 1968-9-9 797 Siskiyou Marble Mtn. Wilderness Area. shoreline of Tom's Upper Pond 2020 Comment
  UC1601722  Juncus drummondii W. H. Brewer 1862-9-13 1383 Siskiyou Mount Shasta 2560 Comment
Read comments
Oct 25 2008
  JEPS24611  Juncus ensifolius Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6764 Siskiyou in the 1.5 mi stretch between Shasta Retreat (at n outskirts of Dunsmuir) to Mossbrae Falls and Shasta Springs (along S.P. (Shasta Route) railway grade); Upper Sacramento River Canyon 731 Comment
  UC842519  Juncus ensifolius John Thomas Howell 1939-8-7 15129 Siskiyou Sky High Valley Marble Mts. 1828 Comment
  UCD141524  Juncus ensifolius A. A. Heller 1920-8-11 13492 Siskiyou Sisson. 1079 Comment
  CAS-BOT-BC127624  Juncus mertensianus Jennifer Whipple 1976-7-1 1243 Siskiyou Mount Eddy. Klamath Mountains. Near Durney Lake. 2194 Comment
  HSC14091  Juncus mexicanus R. C. Wunner 1965-6-22 259 Siskiyou Lava Beds National Monument, Canby Bay 1220 Comment
  POM110932  Juncus mexicanus Geo D. Butler 1910-5-1 1254 Siskiyou Near Yreka. Comment
  HSC22107  Juncus nevadensis J. O. Sawyer 1969-8-5 1760 Siskiyou W of Little Duck Lake 2073 Comment
  HSC30706  Juncus nevadensis var. nevadensis Frederick W. Oettinger, R. F. Thorne 1969-8-6 1241 Siskiyou Marble Mtn. Wilderness Area, NNW of Pine Lake 1883 Comment
  UC1265303  Juncus occidentalis Frederick W. Oettinger 1969-8-24 1526 Siskiyou due w English Lake main camp (midway between English Lake main camp and Sundew Bog, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1798 Comment
  RSA238912  Juncus orthophyllus Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1299 Siskiyou At Sundew Bog on SE-facing gradual slope due W of the English Lake main camp. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC101736  Juniperus communis Michael Kauffmann, Jeffrey Kane 2013-7-24 16 Siskiyou Ridgeline within the Antelope Creek RNA 2186 Comment
  HSC59712  Juniperus communis var. jackii Clark L. Miller 1978-10-21 78 Siskiyou French Camp Rd. off Hwy. 199 E of Hwy. 101 549 Comment
  POM210930  Juniperus communis var. montana L. C. Wheeler 1934-8-14 3123 Siskiyou 0.5 mile west White Mountain, Siskiyou Mountains 1921 Comment
  HSC22408  Juniperus communis var. saxatilis J. O. Sawyer 1969-7-9 1245 Siskiyou W facing slope above Bingham Lake 2317 Comment
  SD53334  Juniperus communis var. saxatilis Darley F. Howe 1962-8-6 Siskiyou Mount Shasta 2440 Comment
  CAS-BOT-BC81229  Juniperus occidentalis Doris K. Kildale 1928-7-5 5547 Siskiyou 10 miles north of Yreka on Pacific highway on Shasta River Comment
  UC139956  Juniperus occidentalis Copeland 1909-7-4 3545 Siskiyou Klamath<a?> Pacific Coast Comment
  UC813397  Juniperus occidentalis A. A. Heller 1938-7-12 15262 Siskiyou about 2 mi n Bray Comment
  SEINET10859616  Juniperus occidentalis Edwin B. Copel 1903-7-4 Copeland 3545 Siskiyou Klamatha Comment
  POM281925  Juniperus occidentalis var. occidentalis Lyman Benson 1929-3-27 1075 Siskiyou Rocky slopes by Klamath River, Pacific Hwy Comment
  JEPS10865  Keckiella lemmonii Geo. D. Butler 1908-8-24 426 Siskiyou Russian Creek 1219 Comment
  HSC22102  Kelloggia galioides J. O. Sawyer 1969-8-1 1647 Siskiyou SE facing slope above Duck Lake Creek 1951 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
  RSA68905  Kelloggia galioides A. E. Culbertson 1943-7-24 53 Siskiyou Castle Lake, 5434', in a N facing cirque with an abrupt 1000' backwall. 14 miles SW of Mt. Shasta on N side of a 6000' eastern spur of Trinity Mtns. 2000' above Sacramento River within 10 air miles of its headwaters to the W. Comment
  RSA760931  Kelloggia galioides Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63379 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. 1768 Comment
  UC1177930  Kelloggia galioides Francia Chisaki and Gene B. Newcomb 1958-6-22 1153 Siskiyou base of Black Butte (Highway 99, e of the road) Comment
  UCD121988  Kelloggia galioides J. M. Tucker 1950-7-24 1948 Siskiyou Highway 89, 7.5 miles east of McCloud. Comment
  UCD123810  Kopsiopsis strobilacea J. M. Tucker; D. V. Hemphill 1974-7-27 4302 Siskiyou beside trail from Haypress Meadows to Monument Lake, on Sandy Ridge ca. 4 miles from Haypress Meadows; Marble Mountain Wilderness Area. 1859 Comment
  CAS-BOT-BC499660  Kopsiopsis strobilacea Ira L. Wiggins 1955-7-23 13479 Siskiyou Ridge W of China Creek 1066 Comment
  CAS-BOT-BC340613  Lactuca serriola Lewis S. Rose 1925-7-29 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC341695  Lagophylla ramosissima Carl B. Wolf 1927-8-26 1035 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  UC883163  Lamium amplexicaule Louis C. Wheeler 1935-4-18 3429 Siskiyou Greenhorn Creek; Siskiyou Mts. 1005 Comment
  HSC40422  Lapsana communis J. O. Sawyer 1973-7-15 2536 Siskiyou Junction of Deer Lick Creek and Wooley Creek 244 Comment
  CAS-BOT-BC204931  Lathyrus Roxana S. Ferris; Laura Lorraine 1948-6-12 11828 Siskiyou 1 mi. below summit of Gazelle Mt. grade, w. side, Gazelle-Callahan Road 1219 Comment
  SEINET5327317  Lathyrus nevadensis G. Butler 1910-6-19 1588 Siskiyou Gonewest foothills 1524 Comment
  HSC61918  Lathyrus nevadensis var. nevadensis Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  UCSB16533  Lathyrus polyphyllus Breedlove, Dennis 1962-6-10 Siskiyou Along Indian Creek Road, 16.7 miles northwest of Happy Camp; Siskiyou Mountains 1127 Comment
  RSA183459  Ledum glandulosum J. M. Tucker 1963-7-5 3704 Siskiyou Blake's Fork of South Russian Creek (a tributary of the Salmon River), ca. 7 miles (airline) east of Sawyer's Bar, Salmon Mountains. 1616 Comment
  CDA36979  Lepidium campestre CDFA Staff 12 Siskiyou Mt. Shasta. 0 Comment
  CAS-BOT-BC89830  Lepidium montanum A. A. Heller 1928-6-9 14610 Siskiyou Along the Pacific Highway between Gazelle and Grenada. Comment
  RSA52437  Lepidium montanum var. canescens Dorothy Parker 1948-6-11 s.n. Siskiyou Yreka. Comment
  CAS-BOT-BC60147  Lepidium virginicum var. menziesii Carl B. Wolf 1927-8-27 1147 Siskiyou On the Klamath River 10 miles above the Salmon River. Comment
  CAS-BOT-BC60148  Lepidium virginicum var. menziesii Doris K. Kildale 1928-7-1 5325 Siskiyou Forks of Salmon. Salmon River. 365 Comment
  JEPS69868  Leptodactylon pungens Frank W. Peirson 1923-7-19 3809 Siskiyou w foot Mt. Shasta (road crossing of Whitney Creek); , Whitney Creek Comment
  POM298649  Lesquerella occidentalis Lincoln Constance, H. L. Mason, J. F. Davidson, J. M. Tucker 1947-5-17 3199 Siskiyou Summit of NW spur of Scott Mountain. 183 Comment
  JEPS53797  Lesquerella occidentalis subsp. occidentalis W. L. Jepson 1907-7-5 2835 Siskiyou Marble Mt. Comment
  UC61686  Lessingia nemaclada Geo. B. Grant September 1902 5213 Siskiyou Dunsmuir Mt. Shasta 609 Comment
  UC1223214  Lessingia ramulosa Joseph P. Tracy 1949-9-14 18552 Siskiyou 5 mi se Cecilville (at Summerville); South Fork of Salmon River 762 Comment
  CAS-BOT-BC508378  Leucocrinum montanum D. E. Stitt 1916-4-10 s.n. Siskiyou Little Shasta Valley 30 miles east of Yreka Comment
  HSC36210  Leucothoe davisiae John Rehling 1975-8-11 106 Siskiyou S end of Little Duck Lake Comment
  RSA355695  Leucothoe davisiae Dave Kelly, W. Wisura, A. Kelly 1986-7-29 4132 Siskiyou S side of Hancock Lake, Marble Mtn. Wilderness. Comment
  CAS-BOT-BC229451  Lewisia cotyledon Stuart K. Harris 1960-6-28 21601 Siskiyou Outlet Taylor Lake Comment
  RSA760545  Lewisia cotyledon R. F. Thorne, Frederick W. Oettinger 1969-8-4 63369 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  UC922366  Lewisia cotyledon var. cotyledon Annie M. Alexander and Louise Kellogg 1949-7-20 5816 Siskiyou Paradise Lake Marble Mountains, Paradise Lake 1920 Comment
  CAS-BOT-BC444044  Lewisia cotyledon var. cotyledon Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Cuddyhi Lake [Cuddihy Lakes] Comment
  JEPS87011  Lewisia kelloggii subsp. hutchisonii Wayne Roderick Jul 1976 Siskiyou Cook and Green Pass Siskiyou Mountains Comment
  HSC99206  Lewisia leeana J. O. Sawyer 1969-7-2 1033 Siskiyou NE facing slope near summit above Lipstick Lake 2226 Comment
  CAS-BOT-BC444193  Lewisia nevadensis G. J. Muth 1969-8-8 1294 Siskiyou Gap Meadow, Boulder Peak Ridge 2286 Comment
  JEPS84276  Lewisia triphylla L. R. Heckard with J. Hickman et al. 1986-7-17 6540 Siskiyou se Condrey Mt. (road end area and camp overlookin s end of Alex Hole) 1980 Comment
  RSA211258  Lewisia triphylla William J. Ferlatte 1966-6-22 74 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  RSA603020  Leymus triticoides L. C. Wheeler 1935-7-13 3662 Siskiyou Ager 793 Comment
  UCD65580  Leymus triticoides August L. Hormay 1932-7-15 s.n. Siskiyou Weed Valley. Comment
  HSC22241  Ligusticum californicum J. O. Sawyer 1969-8-4 1818 Siskiyou Above Sugar Lake 2134 Comment
  HSC68471  Ligusticum californicum Maralyn A. Renner 1980-6-26 1139 Siskiyou Flint Valley. 1390 Comment
  SEINET6633383  Ligusticum californicum J. M. Tucker 1963-1 3786 Siskiyou headwaters of Canyon Creek, ca. 1/2 mile northeast of Marble Valley Guard Station, Marble Mountain Wilderness Area 1920 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
  HSC23542  Ligusticum grayi J. O. Sawyer 1969-8-5 1959 Siskiyou Above the S Fork of Sugar Creek 1814 Comment
  POM82381  Ligusticum grayi Geo. D. Butler 1908-8-3 464 Siskiyou Log Lake, Shackleford Creek Comment
  JEPS61987  Lilium columbianum George Butler 1908-8-3 115 Siskiyou Shackleford Creek; w Siskiyou County Comment
  HSC570  Lilium kelleyanum William J. Ferlatte 1967-7-25 721 Siskiyou Caribou Basin 1982 Comment
  HSC58944  Lilium kelleyanum Marvin Butler 1971-7-19 148 Siskiyou Near El Capitan 1524 Comment
  HSC98150  Lilium kelleyanum J. O. Sawyer 1968-7-10 515 Siskiyou S side of Sugar Creek. 1616 Comment
  CAS-BOT-BC509383  Lilium kelleyanum John Thomas Howell 1937-7-21 13191 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  LA22067  Lilium pardalinum William Bridge Cooke; 1938-7-15 11197 Siskiyou Mount Shasta, along the creeks at Bear Springs 1523 Comment
  HSC44604  Lilium pardalinum subsp. vollmeri Laura Witherspoon 1977-7-12 Siskiyou Flint Valley 1341 Comment
  HSC68307  Lilium pardalinum subsp. vollmeri Maralyn A. Renner 1980-7-4 1411 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  CAS-BOT-BC132993  Lilium rubescens L. E. Smith 1913-7-4 s.n. Siskiyou North Fork Castle Creek Comment
  RSA237914  Lilium washingtonianum subsp. purpurascens Frederick W. Oettinger 1968-8-16 567 Siskiyou East side of Hancock Lake. Salmon Mtns. High Lake Basin in the vicinity of English Peak, Marble Mountain Wilderness Area. 1936 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
  CAS-BOT-BC133103  Lilium washingtonianum subsp. washingtonianum A. A. Heller 1920-7-10 13440 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  SEINET1783230  Lilium wigginsii Unknown 1954-7-16 1266 Siskiyou Siskiyou Mountains near Oregon border W of Hwy 99. Comment
  SD257342  Limnanthes alba Peter F. Zika 2012-5-14 25855 Siskiyou I-5 southbound, one road mile N of (and above) exit 724 for Castella, Cascade Range Highlands (CaRH) 665 Comment
  JEPS58309  Linanthus ciliatus Geo. D. Butler 1908-8-6 105 Siskiyou se of Marble Mtn. (near summit) 1767 Comment
  JEPS97797  Linanthus harknessii J. Greenhouse 2000-7-16 5010 Siskiyou Boundary of Siskiyou and Trinity counties Scott Mountain Summit campground; Scott Mountain, Klamath National Forest, Trinity National Fo 1645 Comment
  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
  CAS-BOT-BC94932  Linanthus nuttallii R. C. Wenk 2006-7-23 529 Siskiyou Coffee Creek Road, Big Flat Meadow, along Yellow Rose Mine trail to Dorleska Mine 1975 Comment
  POM204108  Linanthus pungens subsp. pulchriflorus J. T. Howell 1934-7-4 12400 Siskiyou SE corner of Siskiyou County Comment
  UCR131613  Lindernia dubia var. dubia L. C. Wheeler 1934-9-15 3261 Siskiyou Siskiyou Mtns., Walker, Klamath River 518 Comment
  CAS-BOT-BC416404  Linnaea borealis subsp. longiflora A. A. Heller 1919-6-20 13259 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  RSA187335  Linum lewisii H. A. Thomas, John H. Thomas 1954-7-25 4538 Siskiyou Salmon Trinity Mts, Vicinity of Rush Lake and Rush Creek Meadow, 9 miles E of Cecilville. 1829 Comment
  UC618617  Linum lewisii W. Bridge Cooke 1938-7-1 11138 Siskiyou in (chaparral) around Wagon Camp (especially just below it, Mount Shasta); Mount Shasta 1737 Comment
  RSA238528  Linum lewisii Frederick W. Oettinger 1968-8-18 569 Siskiyou West side of Hancock Lake just north of the campsite area. The High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness area. 1936 Comment
  UC1045211  Lithocarpus densiflorus var. echinoides unknown 1940-6-6 15031 Siskiyou along the Castle Lake Road Comment
  UC164981  Lithophragma Geo. D. Butler 1910-5-8 1307 Siskiyou near Yreka Comment
  HSC64830  Lithophragma affine J. P. Smith 1973-5-5 6384 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  CAS-BOT-BC432318  Lithophragma campanulatum D. E. Breedlove 1962-6-11 3346 Siskiyou On bank of Canyon Creek, about 20 miles W of Fort Jones, Marble Mountains 914 Comment
  CAS-BOT-BC443351  Lithophragma parviflorum Alice Eastwood; John Thomas Howell 1931-4-20 1755 Siskiyou Near Yreka, on Ft. Jones road Comment
  POM92052  Lithophragma parviflorum Geo. D. Butler 1909-5-1 687 Siskiyou Klamath Hills. Comment
  CHSC71327  Lithophragma tenellum Vernon H. Oswald; Lowell Ahart 1998-6-11 9209 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. 1402 Comment
  HSC27650  Lithospermum californicum Carl W. Mize 1972-6-8 13 Siskiyou Along Wooley Creek Trail 328 Comment
  UC1299480  Lithospermum californicum Freed W. Hoffman 1950-7-11 3759 Siskiyou 12.1 mi Klamath River (at n end of road); Ceder Creek Road Comment
  UC1299483  Lithospermum californicum Freed W. Hoffman 1948-7-9 2664 Siskiyou <between Siskiyou Mt. summit and Oregon-Claifornia state line> Waldo-Happy Camp Road Comment
  HSC82205  Lithospermum ruderale Thomas W. Nelson, Jane P. Nelson 1980-7-5 5970 Siskiyou Fowler's Campground 1006 Comment
  SEINET10661434  Lolium perenne Lowell Ahart, John Dittes 2005-6-10 Ahart 12064 Siskiyou T43N, R5W, northwest 1/4 Section 5. East of a poor dirt roaod, about 80 yards northeast 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
  JEPS120265  Lomatium macrocarpum Julie Kierstead Nelson with Rhonda Posey, Peter Zika, Talitha Derksen 2012-6-21 2012 -055 Siskiyou South Fork WIllow Creek, foothills of N side Scott Mountain. Td. 42N19 Sec. 30.; ca. 1 mile S of Gazelle-Callahan Hwy Comment
  RSA237416  Lomatium macrocarpum Frederick W. Oettinger 1969-7-11 987 Siskiyou Near summit of Little Medicine Mountain (north of Hancock Lake). Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  HSC48969  Lomatium martindalei M. A. Baker 1979-5-17 727 Siskiyou S facing hillside near road to Bald Mtn. trail off FS 15N01 Comment
  UC673275  Lomatium peckianum Lincoln Constance and Reed C. Rollins 1942-5-14 2918 Siskiyou 1 mi. e. Yreka; Klamath-Siskiyou Region 762 Comment
  JEPS17005  Lomatium piperi Geo. D. Butler 1910-3-14 1130 Siskiyou Yreka hills Comment
  CDA38460  Lomatium triternatum var. macrocarpum T. C. Fuller 1958-6-19 1889 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  HSC81884  Lonicera ciliosa Barry Silver 1986-5-24 638 Siskiyou West Branch Campground, Klamath National Forest, 7 mi. NW of Happy Camp. 671 Comment
  POM46730  Lonicera interrupta E. B. Copeland 1903-7-5 3492 Siskiyou Klamathon. Comment
  SEINET8056669  Lonicera interrupta G. D. Butler 1900-6-17 1571 Siskiyou Near Yreka. Comment
  CDA27194  Lotus crassifolius T. C. Fuller 1967-6-29 16039 Siskiyou South side of Deetz Road, 1 mile west of IS-5 at Black Butte. 0 Comment
  JEPS64879  Lotus crassifolius var. crassifolius W. L. Jepson Jul 1 1894-Aug 1 1894 13783 Siskiyou Sisson Comment
  UC60885  Lotus crassifolius var. crassifolius W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson, 18th Crossing Mount Shasta Comment
  UC796606  Lotus nevadensis var. nevadensis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11866 Siskiyou 1 mi w Gazelle Comment
  CAS-BOT-BC94432  Lotus oblongifolius var. oblongifolius R. C. Wenk 2005-7-18 268 Siskiyou Scott Mountains, border between Trinity and Siskiyou Counties. Growing along Pacific Crest Trail, 1/2 mile E of Hwy 3 1900 Comment
  JEPS87893  Lotus pinnatus Vernon H. Oswald and Lowell Ahart 1994-7-11 6401 Siskiyou 0.5 mi ne of Gumboot Lake (w of Dunsmuir, Gumboot Creek on the upstream side of Forest Road 26 to Mount Shasta); Gumboot Creek, Forest Road 26 1783 Comment
  CAS-BOT-BC342564  Luina hypoleuca Philip A. Munz 1952-7-1 17858 Siskiyou Klamath River, 6 miles north of Orleans 182 Comment
  SEINET5766877 Image available Lupinus albicaulis var. shastensis A. A. Heller 1915-1 12117 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1189 Comment
  UC1481282  Lupinus albicaulis var. shastensis D. B. Dunn 1971-8-15 18141 Siskiyou on Hwy 89, 1/2 mi e McCloud Ranger Station; e of McCloud Ranger Station Comment
  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
  UC640281  Lupinus albifrons H. and M. Dearing 1939-6-4 3544 Siskiyou Fort Jones Comment
  UC157010  Lupinus albifrons var. albifrons Geo. D. Butler 1908-6-20 366 Siskiyou near Yreka 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
  POM24890  Lupinus albifrons var. eminens Geo. D. Butler 1910-5-2 1268 Siskiyou Around Yreka. Comment
  POM10798  Lupinus albifrons var. flumineus E. B. Copeland 1903-7-3 3527 Siskiyou Klamathon Comment
  UCR38386  Lupinus andersonii G. F. Pratt, G. R. Ballmer 1985-6-19 s.n. Siskiyou Trinity Mtns, Gumboot Lake, west of Dunsmuir 1829 Comment
  HSC23657  Lupinus andersonii J. O. Sawyer 1969-7-16 1144 Siskiyou 2073 Comment
  HSC32764  Lupinus andersonii Frederick W. Oettinger 1968-8-19 587 Siskiyou Salmon Mountains: High Lake Basins, Crapo View Gap, English Peak. 2134 Comment
  SFV18059  Lupinus angustiflorus 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
  UC562841  Lupinus angustiflorus Elmer I. Applegate 1923-8-18 3877 Siskiyou e side Medicine Lake (Redshale Mountain); , e side of Medicine Lake Comment
  SEINET10871220  Lupinus arbustus subsp. silvicola Charles Piper Smith 1947-5-13 Smith 47276 Siskiyou 6.3 miles e of weed. Hwy 97 Comment
  HSC37523  Lupinus bicolor J. P. Smith 1974-5-25 7421 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  UCD107375  Lupinus breweri A. H. Murphy 1953-7-30 KNF 17 Siskiyou Coffee Creek, N. Fork. 2133 Comment
  SEINET10490744  Lupinus croceus var. croceus H. Dearing, M. Dearing 1939-6-30 Dearing 3763 Siskiyou Perennial with yellow flower. Callahan, trinity alps rd. Comment
  UC1482884  Lupinus croceus var. pilosellus P. Kenney, Conrad and Dunn 1973-6-4 384 A Siskiyou along road from Cecilville to Callahan 6.4 mi w Callahan; w of Callahan 1737 Comment
  RSA413557  Lupinus densiflorus var. densiflorus E. E. Stanford 1930-6-16 1607 Siskiyou Near Hornbrook. Comment
  SEINET10485422  Lupinus klamathensis Melvin L. Conrad, David B. Dunn; Katherine L. Morris 1973-6-1 Conrad 6964 Siskiyou Road cut, 0.1 mi. N of hornbrook. 732 Comment
  SEINET10485434  Lupinus klamathensis Jeffrey Huber 1971-6-9 Huber 270 Siskiyou 3 mi. N of weed, on us hwy 97; s facing 20 degree slope; roadside; in pinus Ponderosa, and p. Jeffreyi, and artemisia tridentata and purshia. 1128 Comment
  HSC41641  Lupinus lapidicola Jennifer Whipple 1976-6-30 1180 Siskiyou S face of Mt. Eddy draining into the N fork of the Sacramento River 2500 Comment
  JEPS93185  Lupinus lapidicola J. Greenhouse 1997-7-4 Siskiyou along dirt road about 3 1/2 mi w of Cook and Greene Pass Comment
  RSA523664  Lupinus lapidicola Richard Halse 1989-5-6 3817 Siskiyou Along Old Hwy 99, 3.2 miles south of Gazelle or 4.2 miles north of its jct with Old Stage Road. 888 Comment
  HSC75194  Lupinus latifolius subsp. viridifolius K. T. Stillman 1976-7-7 165 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  UC865221  Lupinus latifolius var. viridifolius W. Bridge Cooke 1941-6-7 16009 Siskiyou near the e base Mt. Eddy; near the e base of Mt. Eddy Comment
  CAS-BOT-BC8340  Lupinus lelandsmithii L. E. Smith 1913-5-4 253 Siskiyou Hornbrook Comment
  CHSC102566  Lupinus lepidus var. sellulus L. P. Janeway 2009-8-4 9893 Siskiyou High Cascade Range. Flat open area along Military Pass Road (43N19) 3.4 km east of Military Pass, 6.4 air km northwest of Ash Creek Butte. 1804 Comment
  JEPS83253  Lupinus lepidus var. sellulus Geo. D. Butler 1908-8-2 368 Siskiyou Shackelford Creek; Quartz Valley, Shackelford Creek Comment
  UC598570  Lupinus lepidus var. sellulus C. Hart Merriam 1898-9-30 Siskiyou Mt. Shasta Comment
  HSC2251  Lupinus leucophyllus Geo. D. Butler 1910-4-19 1201 Siskiyou Yreka Comment
  HSC2245  Lupinus leucophyllus Geo. D. Butler 1910-5-21 1376 Siskiyou Klamath River Comment
  UC156996  Lupinus luteolus Geo. D. Butler 1908-6-23 375 Siskiyou near Yreka; near Yreka Comment
  RSA12506  Lupinus luteolus Carl B. Wolf 1934-7-4 5930 Siskiyou Along Klamath River, 3.5 mi. below Horse Creek Bridge. 457 Comment
  RSA25916  Lupinus luteolus Geo. D. Butler 1910-6-1 1447 Siskiyou Dry land near Yreka. Comment
  UC156994  Lupinus microcarpus var. microcarpus Geo. D. Butler 1910-5-21 1373 Siskiyou Klamath hills Comment
  RSA105766  Lupinus obtusilobus W. Bridge Cooke 1938-8-21 11545 Siskiyou Horse Camp Mt. Shasta. 2591 Comment
  UC1096808  Lupinus obtusilobus H. K. Wagnon 1957-8-11 1688 Siskiyou 3 mi w of Military Pass Rd on road to Brewer Cr. e slope Type Loc. Mt. Shasta; e slope of Mt. Shasta on road to Brewer Cr. Comment
  JEPS93878  Lupinus polyphyllus var. burkei Vernon H. Oswald and Lowell Ahart 1998-7-21 9330 Siskiyou 0.5 mi w of the Old State Highway to Bray (ne of Weed on Tennant Road 4.5 mi e of Highway 97); Tennant Road 1417 Comment
  SD61047  Lupinus sellulus Darley F. Howe 1964-8-4 Siskiyou Near Medicine Lake, Modoc National Forest. 2012 Comment
  RSA50219  Lupinus sellulus subsp. sellulus E. K. Balls 1949-7-8 13926 Siskiyou 1 mile east of Etna (Callahan to Etna Road). 854 Comment
  HSC14882  Lupinus subvexus var. subvexus R. C. Wunner 1965-7-1 323 Siskiyou Lava Beds N.M., Top of Gillem's Bluff 1372 Comment
  CAS-BOT-BC436604  Luzula cascadensis D. E. Breedlove 1962-6-11 3367 -A Siskiyou Along State Hwy 89, 8.0 miles E of McCloud, Cascade Mts. 1127 Comment
  HSC68469  Luzula comosa Maralyn A. Renner 1980-6-26 1141 Siskiyou Flint Valley 1390 Comment
  HSC2406  Luzula comosa William J. Ferlatte 1966-8-18 407 Siskiyou 3 mi. S of Big Flat 1585 Comment
  HSC30721  Luzula comosa Frederick W. Oettinger 1969-8-16 1398 Siskiyou Wiregrass Meadow below English Lake 1677 Comment
  HSC670  Luzula parviflora William J. Ferlatte 1967-7-9 687 Siskiyou Kidd Creek Trail 1890 Comment
  JEPS66702  Luzula parviflora B. C. Goldsmith 1916-7-23 9 Siskiyou 6 mi from McCloud; McCloud River, 6 mi from McCloud Comment
  HSC21257  Lycium barbarum R. C. Wunner 1965-7-10 380 Siskiyou Lava Beds National Monument, Indian Well Ranger Station and around superintendent residence 1454 Comment
  UC872891  Lythrum hyssopifolia Louis C. Wheeler 1934-10-11 3316 Siskiyou Siskiyou Mts., Klamath River, Oak Knoll Ranger Station Oak Knoll Ranger Station; Siskiyou Mts., Klamath River, Oak Knoll Ranger Station 670 Comment
  POM362225  Madia bolanderi L. C. Wheeler 1934-8-10 3103 Siskiyou Siskiyou Mountains: Dead Cow Creek 1829 Comment
  CAS-BOT-BC344016  Madia elegans Carl B. Wolf 1927-8-26 1052 Siskiyou On the Klamath River, 3 mi. below Gottville Comment
  HSC26750  Madia elegans J. P. Smith, J. O. Sawyer 1971-9-18 4827 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  SD101077  Madia elegans Darley F. Howe 1977-1 Siskiyou 7.7 miles south of Etna 1000 Comment
  CAS-BOT-BC344544  Madia exigua John Thomas Howell 1952-6-14 28345 Siskiyou 9.5 miles from Ft. Jones on road to Callahan Comment
  CAS-BOT-BC334668  Madia glomerata Louis C. Wheeler 1934-8-24 3216 Siskiyou Trapper Creek, Siskiyou Mountains 1859 Comment
  HSC78396  Madia gracilis L. P. Janeway 1983-9-23 691 Siskiyou At Poker Flat 1524 Comment
  JEPS25849  Madia gracilis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7477 Siskiyou 0.2 mi w Rogers Creek crossing (along Calif. Highway 96, on e side of Klamath River canyon); Klamath River 228 Comment
  HSC77238  Madia gracilis L. P. Janeway 1983-7-12 412 Siskiyou Along dirt roadside: Rd. 19N07 ca. 4 mi. N of Indian Cr. Rd. 1006 Comment
  OBI55493  Madia gracilis David J. Keil 1992-7-21 23552 Siskiyou Klamath NF SE of Callahan. Forest Rd 40N08, 4.2 mi W of Scott Mtn rd (hwy 3) Comment
  SEINET11812404  Madia madioides C. G. Pringle 1882-8-28 s.n. Siskiyou about Mt. Shasta Comment
  SEINET7040087  Madia minima A. G. Vestal 1963-6-1 s.n. Siskiyou Southeast of Dwinnell Reservoir [Lake Shastina]. Weed Quad. UTM Zone 10, 547726mE, 4593011mN. Comment
  UC133461  Madia sativa T. S. Brandegee July, 1887 Siskiyou Siskiyou Mountains Comment
  HSC24692  Maianthemum racemosum subsp. amplexicaule J. O. Sawyer 1969-7-16 1142 Siskiyou W of Waterdog Lake 2073 Comment
  HSC69512  Maianthemum racemosum subsp. amplexicaule Maralyn A. Renner 1980-7-14 1722 Siskiyou Near road at switchback, headwaters of Etna Creek 1707 Comment
  RSA237902  Maianthemum racemosum subsp. amplexicaule Frederick W. Oettinger 1968-8-7 438 Siskiyou East side of Hancock Lake. The Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountains Wilderness Area 1936 Comment
  HSC18983  Maianthemum stellatum J. O. Sawyer 1969-7-18 1385 Siskiyou Near South Russian Creek 1890 Comment
  POM311185  Malacothrix floccifera Lincoln Constance, J. F. Davidson, B. Kasapligil, H. L. Mason 1950-7-15 3355 Siskiyou Scott River, Scott Valley between Fort Jones and Etna 915 Comment
  POM56237  Malacothrix floccifera Geo D. Butler 1910-6-4 1491 Siskiyou Shackleford Creek. Comment
  JEPS93957  Malva neglecta Vernon H. Oswald and Lowell Ahart 1998-9-16 9643 Siskiyou 5.9 mi e of Highway 97 (Highway 161 at the Lower Klamath National Wildlife Refuge) 1243 Comment
  RSA211116  Malva neglecta W. J. Ferlatte 1966-8-3 261 Siskiyou Siskiyou Co., Mountain Meadow Ranch 1524 Comment
  CHSC88106  Matricaria discoidea Jenny Marr 1993-7-1 116 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC46292  Matricaria discoidea J. P. Smith, Steve Selva 1970-6-16 4012 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  UC60891  Medicago lupulina W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson Mount Shasta Comment
  CAS-BOT-BC269231  Melica aristata C. G. Pringle 1881-8-23 s.n. Siskiyou Mount Shasta 1828 Comment
  UC1265397  Melica bulbosa F. W. Oettinger 1968-8-8 451 Siskiyou Crapo Meadow; Salmon Mts. 2164 Comment
  UCR37824  Melica bulbosa K. T. Stillman 1976-7-15 248 Siskiyou Marble Mountain Wilderness Area, Scott Bar 15' Q. 1951 Comment
  UC167206  Melica fugax Geo. D. Butler 1909-5-26 824 Siskiyou near Yreka Comment
  UCD87303  Melica geyeri Rimo Bacigalupi; Mr. and Mrs. Van Deventer 1959-7-10 7312 Siskiyou Twin Valley, Siskiyou Mts., just east of Del Norte Co. line; 4 air-line miles NNE of Preston Peak; watershed of Indian Creek. 1493 Comment
  HSC71444  Melilotus albus J. P. Smith, Steve Selva 1970-8-9 4577 Siskiyou In potato fields W of Macdoel. Comment
  SFV2373  Mentzelia albicaulis A. I. Richardson 1961-6-8 16 Siskiyou Big Springs Road, north of junction with Highway 97. 915 Comment
  UCD77990  Micranthes aprica Robert E. Preston 2001-6-23 1602 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 2011 Comment
  CAS-BOT-BC428543  Micranthes aprica Stuart K. Harris 1960-6-28 21595 Siskiyou Vicinity Taylor Lake Comment
  CAS-BOT-BC429151  Micranthes odontoloma Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  CHSC102590  Micranthes tolmiei L. P. Janeway 2009-8-3 9881 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 2.3 air km southwest of Brewer Creek Trailhead; about 0.3 km south of Brewer Creek. 2560 Comment
  RSA393763  Micropus californicus var. californicus L. C. Wheeler 1934-6-2 2615 Siskiyou Oak Knoll Ranger Station, Klamath River. Siskiyou Mtns. (Mt Diablo Mer.) 671 Comment
  SEINET11601919 Image available Microseris laciniata G. D. Butler 1910-5-28 1420 Siskiyou Shasta Valley Comment
  CAS-BOT-BC349367  Microseris nutans H. A. Thomas; J. H. Thomas 1954-7-25 4526 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  HSC68499  Microseris nutans Maralyn A. Renner 1980-6-22 901 Siskiyou Slopes N of Little Shasta River 1372 Comment
  JEPS35722  Microseris nutans Geo. D. Butler 1904-6-22 958 Siskiyou Goosenest Mountain Comment
  UC1112880  Microseris nutans Milo S. Baker, Douglas Barbe, and H. K. Wagnon 1957-6-16 13154 Siskiyou a few mi up grade Callahan-Trinity Center Rd.; Scott Mountains Comment
  HSC43335  Microsteris gracilis Maralyn O'Meara 1974-5-27 476 Siskiyou Along FS Rd. 47N03 1646 Comment
  JEPS120238  Mimulus Julie Kierstead Nelson with Brenna Montagne 2012-9-10 2012 -098 Siskiyou Coonrod Flat, east side of Mount Shasta Comment
  UC1586887  Mimulus Juha Pykala and D. H. Norris 1987-6-26 1981 Siskiyou n Tickner Hole; Marble Mountain Wilderness Area Comment
  UC1409383  Mimulus breweri Frederick W. Oettinger 1969-8-13 1360 Siskiyou vicinity English Peak (English Lake, main camp site); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  UC705715  Mimulus cardinalis Marion Ownbey, Fred G. Meyer 1940-7-6 2179 Siskiyou 3 mi down river from mouth Beaver Creek (n side of river); Klamath River Comment
  UC637085  Mimulus inodorus Edward Lee 1934-8-12 1042 Siskiyou tributary Klamath River (mouth of creek, e end of valley); Seiad Valley, Walker Creek 426 Comment
  SEINET515908  Mimulus jepsonii Vernon Oswald 1997-7-28 8783 Siskiyou Forest Route 56 (42N56) 3.7 mi. E of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave. 1756 Comment
  JEPS8188  Mimulus layneae W. L. Jepson 1940-6-30 20070 Siskiyou 6 mi e McCloud; McCloud River, Fowlers Camp 944 Comment
  HSC421  Mimulus lewisii William J. Ferlatte 1966-8-17 386 Siskiyou Caribou Basin 1982 Comment
  UC164261  Mimulus lewisii Geo. D. Butler 1908-8-8 435 Siskiyou Marble Valley Comment
  HSC36467  Mimulus moschatus J. O. Sawyer 1969-8-3 1938 Siskiyou Alluvial terrace along Duck Lake Creek 1921 Comment
  HSC29406  Mimulus moschatus Frederick W. Oettinger 1966-8-7 41 Siskiyou High Lake Basins: just below spring at Tom Taylor Cabin 2043 Comment
  RSA50146  Mimulus moschatus var. moniliformis E. K. Balls 1949-7-9 13935 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. Comment
  HSC91020  Mimulus nanus Jennifer Whipple 1977-8-4 2147 Siskiyou Trinity and Siskiyou Counties: Summit region of Mt. Eddy 2622 Comment
  UCD122772  Mimulus nanus var. nanus John M. Tucker 1963-7-7 3724 Siskiyou vicinity of Paradise Lake, at east base of Kings Castle on east side; Marble Mountain Wilderness Area. 1981 Comment
  UC618708  Mimulus primuloides W. Bridge Cooke 1938-7-1 11124 Siskiyou above Bear Spring (also at Panther and Squaw Creek Meadows); Mount Shasta Comment
  HSC91003  Mimulus primuloides var. linearifolius Jennifer Whipple 1976-9-3 1781 Siskiyou Mt. Eddy, W-facing slope of the ridge between Durney Lake and Little Crater Lake 2287 Comment
  HSC46180  Minuartia douglasii Jennifer Whipple 1977-4-30 1891 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  HSC68551  Minuartia douglasii Maralyn A. Renner 1980-6-8 801 Siskiyou Slopes E of Hwy. 3 1341 Comment
  CAS-BOT-BC481921  Minuartia nuttallii Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  HSC45195  Minuartia nuttallii subsp. gregaria J. O. Sawyer, E. Cope 1977-6-21 2988 Siskiyou Along Kelsey Trail W of Bear Lakes 1677 Comment
  HSC68418  Minuartia nuttallii subsp. gregaria Maralyn A. Renner 1980-6-9 846 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  UC1483471  Minuartia nuttallii subsp. gregaria Maralyn A. Renner 1980-8-7 2427 Siskiyou ridge s Preston Peak; Klamath National Forest, Preston Peak Quad. 1950 Comment
  UC584339  Minuartia nuttallii subsp. gregaria G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2457 Siskiyou along road from Callahan to Carrville (s side of mt., about 1 1/2 mi s of summit); Scott Mt. 1515 Comment
  JEPS61325  Mirabilis greenei Geo. D. Butler 1910-5-11 1334 Siskiyou Shasta Valley Comment
  SEINET843661  Mirabilis greenei Rachel Levin 1998-1 98- 4 -B Siskiyou On Copco Rd, 2.4-5 mi from junction with I-5. As head east towards the Copco Dam, plants on left side of road. Comment
  HSC61136  Mitella breweri Al Hobart 1968-6-20 Siskiyou El Capitan. Comment
  JEPS82467  Mitella pentandra Gilbert Muth 1966-7-8 375 Siskiyou Marble Valley Meadow Marble Mt. Wilderness Area 1792 Comment
  HSC29428  Mitella trifida Frederick W. Oettinger 1969-8-22 1484 Siskiyou Marble Mtn. Wilderness Area, head of Pierce's Draw 1829 Comment
  HSC61860  Moehringia macrophylla Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  UC1053436  Moehringia macrophylla Rimo Bacigalupi and Arthur Holmgren 1950-4-24 3138 Siskiyou opposite town Dunsmuir (on e side of canyon, cliffs along Sacramento River); cliffs along Sacramento River, e side of canyon Comment
  SEINET5338727  Moehringia macrophylla G. Butler 1910-4-22 1217 Siskiyou Shackleford Creek in wet land Comment
  CHSC9489  Monardella odoratissima J. F. Goodwin 1971-7-3 135 Siskiyou 5.4 mi. south of Mt. Shasta Ski Bowl area. 1798 Comment
  HSC92974  Monardella odoratissima Jennifer Whipple 1976-8-21 1732 Siskiyou S face of Mt. Eddy draining into N Fork of the Sacramento River 2378 Comment
  CAS-BOT-BC222165  Monardella odoratissima subsp. pallida R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 162 Siskiyou Above Kidd Creek 1950 Comment
  CAS-BOT-BC222178  Monardella odoratissima subsp. pallida A. A. Heller 1915-8-26 12230 Siskiyou North side of Mt. Eddy 1981 Comment
  JEPS94392  Monardella odoratissima subsp. pallida Vernon Oswald and Lowell Ahart 1997-7-28 8781 Siskiyou Forest Route 56 (42N56) 3.7 mi east of Forest Route 49 (edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave); Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave 1755 Comment
  JEPS98783  Monardella odoratissima subsp. pallida Sue Pappalardo 1993-7-19 505 A Siskiyou about 4 mi SE of Bear Mountain Lookout (Forest Service road 40N38); Shasta Trinity National Forest, McCloud Ranger District 1320 Comment
  SBBG25897  Monardella odoratissima subsp. pallida D. Myrick 1966-8-8 1497 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  HSC43026  Monotropa hypopitys J. O. Sawyer, K. T. Stillman 1976-7-2 2798 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  CAS-BOT-BC453478  Monotropa hypopitys Volney Rattan 1879-6-1 s.n. Siskiyou Klamath Comment
  RSA604349  Monotropa hypopitys A. Sanger 1997-8-22 2608 Siskiyou Medicine Lake Highlands, along the road to Alcohol Crater plast the sump pond, south side of the road. 2146 Comment
  CHSC71316  Montia dichotoma Vernon H. Oswald; Lowell Ahart 1998-6-11 9220 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sam Neck Rd. and Hwy.97 ca. 5 mi north of Macdoel. Growing along the brushy edge of a drying vernal pool. 1295 Comment
  HSC64312  Montia diffusa J. P. Smith 1973-5-5 6454 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  UC163867  Montia fontana Geo. D. Butler 1909-4-4 679 Siskiyou near Oro Fino (s of Eastlick Ranch, [Havzoys field]) Comment
  CAS-BOT-BC445208  Montia parvifolia C. L. Hitchcock; J. S. Martin 1939-7-7 5288 Siskiyou Sanger Peak 1780 Comment
  HSC36421  Montia parvifolia J. O. Sawyer 1968-7-10 476 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC64785  Montia parvifolia J. P. Smith, Steve Selva 1970-6-15 3910 Siskiyou 10 mi. NW of Forks of Salmon Comment
  JEPS43286  Montia parvifolia W. L. Jepson 1907-7-11 2880 Siskiyou Klamath Range near Putnam Peak (between Cedar Camp and divide); Klamath Range 1981 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
  SEINET7296346 Image available Muhlenbergia andina Beecher Crampton 1956-1 3837 Siskiyou Boulder strewn, wet banks of a mountain stream, lower slopes of White Ridge, canyon of the south fork of the Sacramento River. 1372 Comment
  CAS-BOT-BC262672  Muhlenbergia asperifolia Geo. D. Butler 1910-8-21 1848 Siskiyou Shasta Valley Comment
  CAS-BOT-BC267046  Muhlenbergia filiformis W. B. C. 1938-7-15 11221 a Siskiyou Mount Shasta. Above Bear Springs Comment
  HSC92502  Muhlenbergia filiformis Jennifer Whipple 1977-8-5 2171 Siskiyou Mt. Eddy, Wagon Creek drainage near Wagon Creek 2287 Comment
  SEINET10599825  Muhlenbergia filiformis A. Arthur Heller 1914-8-25 Heller 11704 Siskiyou Plentiful in moist sandy soil near Deetz station 6 miles north of Sisson, completely covering the ground in places on the edges of thickets and burnt-over land. 1158 Comment
  UC1222235  Myosotis discolor Joseph P. Tracy 1951-6-16 19464 Siskiyou ca. ___ <no mi. given> mi. n. of summit crossing of Siskiyou Mts. (on Takilma Happy Camp Rd.); Siskiyou Mts. Comment
  RSA695876  Myosurus minimus D. W. Taylor 1995-6-1 14963 Siskiyou 2 miles SE of Montague, Shasta Valley Wildlife Management area, Little Shasta River 854 Comment
  SBBG59909  Myriophyllum sibiricum L. Ahart, J. Dittes 2010-7-30 16941 Siskiyou W edge of Shasta River, ca. 30 yards NW of E Louie Rd Bridge, Shasta Big Springs Ranch, 1.6 mi (air) SW of Big Springs Lake, 4.6 mi (air) NW of Dwinnel Dam, 5.7 mi (air) SE of Grenada 716 Comment
  SD122127  Myriopteris gracillima Robert T. Clausen, Harold Trapido 1940-7-26 4953 Siskiyou Canyon on Mud Creek, Mt. Shasta, southern Cascade Mountains 1584 Comment
  JEPS45937  Nama densa Rimo Bacigalupi and L. R. Heckard 1966-6-15 9181 Siskiyou n side Mt. Shasta (in sandy terrain just e of Bolam siding on n side of Southern Pacific right-of-way); n side Mt. Shasta, e of Bolam siding 1219 Comment
  UCD77882  Nama densa Robert E. Preston 1997-6-1 1037 Siskiyou 100 ft n of Hwy 97. 1402 Comment
  UC126064  Nama densa var. parviflora Katharine Brandegee July 1887 Siskiyou Edgewood Comment
  JEPS1363  Nama lobbii Milo S. Baker 1893-6 Siskiyou s base Mt. Shasta Comment
  POM230340  Nama lobbii L. S. Rose 1937-7-25 37597 Siskiyou Mt. Shasta City. 1159 Comment
  HSC82353  Narthecium californicum Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4524 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  HSC563  Narthecium californicum William J. Ferlatte 1966-8-17 402 Siskiyou NW side of Caribou Mtn. 1829 Comment
  RSA760958  Narthecium californicum Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63388 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1890 Comment
  UC13723  Narthecium californicum W. C. Blasdale July 1899 1074 Siskiyou Siskiyou Mts. California, Siskiyou Mts. Comment
  RSA768926  Nasturtium officinale L. Ahart, John Dittes 2010-7-30 16960 Siskiyou Edge of the Shasta River, about 50-100 yards from the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 air miles southwest of Big Springs Lake, 4.6 air miles northwest of Dwinnel Dam, 5.7 air miles southeast of Grenada. 717 Comment
  HSC19230  Navarretia capillaris J. O. Sawyer 1969-7-1 987 Siskiyou Above Paynes Lake Creek 1951 Comment
  UC163862  Navarretia divaricata Geo. D. Butler 1908-8-8 104 Siskiyou lake at head of West Fork of Woolly Creek West Fork of Woolly Creek Comment
  UC52519  Navarretia intertexta Geo. B. Grant Sep 1902 5073 Siskiyou Sisson Mount Shasta 914 Comment
  CAS-BOT-BC219530  Nemophila parviflora Lewis S. Rose 1945-6-18 45091 Siskiyou Horse Creek & Klamath River 502 Comment
  RSA714941  Nicotiana attenuata M. E. Fishbein, Lane Greer 2006-8-4 5884 Siskiyou West Rim of Mammoth Crater, Lava Beds National Monument, about 8 mi northeast of Medicine Lake. 1650 Comment
  RSA80775  Nicotiana attenuata F. W. Peirson 1923-7-19 3837 Siskiyou 20 miles north of Bray. Comment
  SEINET6174145  Nicotiana attenuata G. D. Butler 1910-7-1 1618 Siskiyou Dry field near Yreka. Comment
  POM254350  Noccaea fendleri subsp. glauca C. L. Hitchcock, J. S. Martin 1939-7-7 5278 Siskiyou Whiskey Lake, 1/2 mile above Camp Chicago, on Sanger Peak Trail 1463 Comment
  UC455517  Nothocalais alpestris I. J. Condit 1911-7-27 Siskiyou near Sisson; Castle Lake 1828 Comment
  UC707026  Nothocalais troximoides G. L. Stebbins Jr. with A. A. Beetle 1942-5-30 3255 Siskiyou 5 mi w Gazelle Comment
  HSC23605  Nothochelone nemorosa J. O. Sawyer 1970-7-15 2349 Siskiyou Above Bear Lake 1585 Comment
  HSC99297  Nothochelone nemorosa G. L. Clifton, Terry Griswold 1979-6-28 6113 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  JEPS84196  Nothochelone nemorosa L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6315 a Siskiyou Indian Creek Road from Takilma to Happy Camp (just s of state line) Comment
  JEPS84340  Nuphar lutea subsp. polysepala L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6400 Siskiyou ca. 5.5 mi. n. town of Seiad Valley (s.e. of Red Butte, Lily Pad Lake); Lily Pad Lake 1740 Comment
  HSC29309  Nuphar polysepala Frederick W. Oettinger 1969-8-1 1139 Siskiyou Marble Mtn. Wilderness Area, English Lake near inlet 1753 Comment
  HSC29330  Nuphar polysepala Frederick W. Oettinger 1968-8-12 488 Siskiyou Lily Pond, W of W cove of Hancock Lake 1936 Comment
  CHSC114334  Nymphaea Jodi Aceves 2008-7-7 Siskiyou Montague, 15438 Ager-Beswick Rd. Comment
  UCR247344  Nymphaea Jodi Aceves 2008-7-7 PDR- 1413864 Siskiyou Montahue, 15438 Ager-Beswick Rd. Comment
  UC164339  Oenothera villosa subsp. strigosa Geo. D. Butler 1908-7-9 1024 Siskiyou along creek near Yreka Comment
  UCD134659  Onopordum tauricum W. T. Parsons; T. C. Fuller 1960-7-26 4878 Siskiyou Fred Voelker Ranch, west edge of Meiss Lake Basin, just south of Sam's Neck, ca. 15 miles southwest of Dorris. Comment
  UC618629  Oreostemma alpigenum var. andersonii W. Bridge Cooke 1938-9-8 11607 Siskiyou on e slope, in heather association Little Red Butte; Mount Shasta 2590 Comment
  UC1028684  Orobanche uniflora subsp. occidentalis Herbert L. Mason 1947-5-17 14774 Siskiyou Summit of Scott Mountain grade. Trinity-Siskiyou Counties. Comment
  HSC37539  Orogenia fusiformis J. P. Smith 1974-5-26 7584 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  HSC19209  Orthilia secunda J. O. Sawyer 1968-7-23 626 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  UC1190162  Orthilia secunda Ira L. Wiggins 1955-7-24 13495 Siskiyou Ridge between upper reaches of China & Blind Horse Creeks 1645 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
  CAS-BOT-BC266617  Orthocarpus cuspidatus Geo. D. Butler 1910-6-19 1584 Siskiyou Goosenest foothills Comment
  CAS-BOT-BC266619  Orthocarpus cuspidatus Dorothy Parker 1948-7-11 101 Siskiyou Shovel Creek, near Beswick 1011 Comment
  UC1409423  Orthocarpus cuspidatus subsp. copelandii Frederick W. Oettinger and R. F. Thorne 1969-8-6 1295 Siskiyou (high lake basins in vicinity of English Peak) English Lake Region; Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  RSA183421  Orthocarpus cuspidatus subsp. copelandii J. M. Tucker, L. K. Mann 1963-8-17 3741 Siskiyou Beside trail from Red Rock Valley to top of ridge to S, and near top of ridge. Marble Mt Wilderness 1860 Comment
  RSA120852  Orthocarpus hispidus Milo S. Baker 1957-6-16 13264 Siskiyou Trip to Scott Mt. after turn off near Callahan. Comment
  POM43117  Orthocarpus lacerus Geo. D. Butler 1910-5-26 1407 Siskiyou Yreka. Comment
  UC922364  Oxyria digyna Annie M. Alexander and Louise Kellogg 1949-7-22 5836 Siskiyou trail to Kings Castle Paradise Lake (Marble Mountains); , Paradise Lake 1996 Comment
  SD88391  Ozomelis trifida Darley F. Howe 1972-7-5 4875 Siskiyou 0.6 miles south of Oregon state line on road to Happy Camp 1707 Comment
  UCD103451  Ozomelis trifida Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou East of Marble Mountain, Marble Mountains. 1828 Comment
  CAS-BOT-BC316758  Packera cana John William Thompson 1936-7-8 13150 Siskiyou Lava Slopes of Lava Beds Nat. Monument 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
  UC128741  Packera streptanthifolia W. T. Mooney June 1902 Siskiyou Yreka Comment
  SEINET3159609  Paeonia brownii G. D. Butler 1910-4-23 1229 Siskiyou Quartz valley Comment
  HSC61727  Paeonia brownii Ruby Van Deventer 18 Aug [year missing] Siskiyou Perk's Pasture Comment
  SD46544  Papaver rhoeas E. K. Balls, L. W. Lenz 1956-6-18 21719 Siskiyou U. S. Highway 99, Gazelle. 822 Comment
  UCD96008  Papaver rhoeas John Thomas Howell 1952-6-14 28357 Siskiyou 2 miles west of Gazelle. Comment
  CHSC1648  Parnassia palustris N. Jaekel 1939-7-29 Siskiyou Mt. Eddy. 2286 Comment
  HSC41129  Paspalum distichum J. P. Smith, Steve Selva 1970-7-17 4432 Siskiyou Along Klamath River Comment
  CAS-BOT-BC202858  Paxistima myrsinites Doris K. Kildale 1929-7-20 8639 Siskiyou Trail up South Fork Indian Creek to Elk Lick Comment
  HSC43329  Paxistima myrsinites Maralyn O'Meara 1974-5-26 470 Siskiyou Chandler Glade 1768 Comment
  POM137034  Paxistima myrsinites E. B. Copeland 1903-9-6 3880 Siskiyou Mt. Eddy. 1402 Comment
  RSA47986  Paxistima myrsinites Roxana S. Ferris, Laura Lorraine 1948-6-12 11772 Siskiyou About 7 miles from Etna on forks of Salmon Road. 1819 Comment
  UC61045  Paxistima myrsinites W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Mt. Shasta, Sisson Comment
  SEINET6646339  Paxistima myrsinites G. D. Butler 1910-4-22 1219 Siskiyou Kidder Creek Comment
  UCD77869  Pectiantia pentandra Robert E. Preston 2001-6-23 1551 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W ne 1/4 of se 1/4 Section 14 1828 Comment
  UC922551  Pedicularis bracteosa var. flavida Annie M. Alexander and Louise Kellogg 1948-9-9 5612 Siskiyou Trail to Taylor Lake (near top of trail); Siskiyou Mountains Comment
  RSA211398  Pedicularis flavida William J. Ferlatte 1966-8-17 387 Siskiyou Caribou Basin; Trinity Alps. 1982 Comment
  UCD123293  Pedicularis racemosa K. M. Meyer; A. Townesmith 2007-7-31 181 Siskiyou Shasta-Trinity National Forest, 8.1 miles on NF Rd. 17, off Hwy 97. 1607 Comment
  UC812362  Pellaea brachyptera Louis C. Wheeler 1934-8-30 3227 Siskiyou Trapper Creek; Siskiyou Mts 1371 Comment
  CAS-BOT-BC67683  Pellaea brachyptera Louis C. Wheeler 1934-6-21 75592 Siskiyou Klamath National Forest - W. fork of Cottonwood Cr. 1371 Comment
  CAS-BOT-BC67684  Pellaea brachyptera Louis C. Wheeler 1934-6-21 75592 Siskiyou Klamath National Forest - W. fork of Cottonwood Cr. 1371 Comment
  RSA12504  Penstemon anguineus Carl B. Wolf 1934-7-4 5932 Siskiyou Horse Creek Rd to Dry Lake Lookout, Siskiyou Mtns. 12 miles from Horse Creek Bridge on Klamath River. 1311 Comment
  UC164291  Penstemon anguineus Geo. D. Butler 1908-8-6 428 Siskiyou Independence Creek , Whiskey Camp (Whiskey Camp) Comment
  RSA50222  Penstemon anguineus E. K. Balls 1949-7-9 13929 Siskiyou 7.6 miles from Etna on road to Sawyer's Bar. 915 Comment
  SD73155  Penstemon anguineus Darley F. Howe 1969-8-30 Siskiyou North Fork of Salmon River near Blakes Creek, about 20 miles southwest of Aetna 1829 Comment
  UC1238941  Penstemon anguineus Freed W. Hoffman 1940-7-11 3489 Siskiyou Cedar Camp road 23.9 mi n Klamath Highway (western Siskiyou County); North Coast Ranges, n of Klamath Highway Comment
  CAS-BOT-BC265369  Penstemon davidsonii var. davidsonii Elmer I. Applegate 1935-6-11 9513 Siskiyou W edge of Black Lava Flow, Upper Ice Cave area, Lava Beds National Monument Comment
  NY590179  Penstemon davidsonii var. davidsonii M. S. Baker 06 1893 s.n. Siskiyou Medicine Lakes Comment
  UC70415  Penstemon davidsonii var. davidsonii Milo S. Baker Aug 1894 Siskiyou Medicine Lake Comment
  CHSC91544  Penstemon deustus G. F. Hrusa 2001-6-6 15858 Siskiyou Siskiyou Mountains. Along Hwy 96 at Scott R. Bridge. Cuts above river. Flats at end of Scott R. Bridge. UTM: 10T, 4625883 N, 0496656 E. 426 Comment
  HSC40234  Penstemon deustus J. P. Smith 1976-5-4 8663 Siskiyou E boundary of Klamath National Forest along Hwy. 96, above Klamath River 610 Comment
  HSC67773  Penstemon deustus J. O. Sawyer, J. Cole 1980-7-20 3792 Siskiyou E side of Grouse Hill 2134 Comment
  SEINET13763668 Image available Penstemon deustus R. R. Halse 2016-5-29 9720 Siskiyou Along Hilt Road, E of Hilt by its intersection with I-5. 939 Comment
  HSC29244  Penstemon deustus Frederick W. Oettinger 1968-8-15 524 Siskiyou Marble Mtn. Wilderness Area, E of Hancock Lake 1936 Comment
  RSA78952  Penstemon deustus E. K. Balls, Percy C. Everett 1952-10-12 18179 Siskiyou 3.6 mi W of boundary of Lava Beds Nat'l Monument, road from Indian Well Ranger Station to Tenant. 1372 Comment
  RSA1907  Penstemon deustus subsp. deustus Carl B. Wolf 1930-10-23 1758 Siskiyou Along the Klamath River, 2 mi. below Browns Resort. 305 Comment
  CHSC96032  Penstemon deustus var. suffrutescens L. P. Janeway 2006-7-3 8767 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead Road about 1.5 km west of upper crossing of Music Creek. 1646 Comment
  CHSC26190  Penstemon gracilentus J. P. Kroessing 1977-8-5 55 Siskiyou At Panther Meadow Campground, ca 14 km e on Everitt Memorial Hwy, and 6 km s of Mt Shasta Peak. 2270 Comment
  HSC86439  Penstemon gracilentus D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta 1982 Comment
  UC1538955  Penstemon heterodoxus var. shastensis W. J. Ferlatte 1987-7-7 2110 Siskiyou U.S. F.S. Rd 31 ca 0.5 mi w Ski Park Hwy; Shasta Quad. 1584 Comment
  JEPS101503  Penstemon humilis var. humilis Dean W. Taylor 1997-6-11 16048 Siskiyou Mallethead Rock, headwaters Willow Creek, Shasta Valley River drainage 1645 Comment
  JEPS23765  Penstemon laetus var. sagittatus Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6763 Siskiyou along SP (Shasta Route) railway grade upper Sacramento River Canyon (in the 1 1/2 mi stretch between Shasta Retreat (at northern outskirts of Dunsmuir) to Mossbrae Falls and Shasta Springs) 731 Comment
  NY604562  Penstemon laetus var. sagittatus A. A. Heller 1920-7-9 13431 Siskiyou Near the summit of Mount Eddy 2590.8 Comment
  NY604567  Penstemon laetus var. sagittatus N. H. Holmgren 1966-6-9 2678 Siskiyou US 97, Shasta Valley, 4 miles north of Weed. 1158.2 Comment
  SEINET11053338  Penstemon laetus var. sagittatus Karl A. Vincent 1987-6-28 4440 Siskiyou Cascade Range Mt. Shasta; along E side of US 97 ca 5.1 mi NE of jct. I-5 bus. loop in Weed 1158 Comment
  UC1238948  Penstemon laetus var. sagittatus Freed W. Hoffman 1950-7-13 3491 Siskiyou 1.1 mi ne Baldy Lookout (western Siskiyou County); North Coast Ranges, ne of Baldy Lookout Comment
  POM252935  Penstemon laetus var. sagittatus A. A. Heller 1938-7-12 15237 Siskiyou Near the western base of Deer Mountain on US Hwy 97. Comment
  RSA420420  Penstemon laetus var. sagittatus Chadwick, Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  RSA668197  Penstemon laetus var. sagittatus Karl Vincent, Charlotte A. Labbe 1987-8-12 4510 Siskiyou Cascade range, Mt Shasta; old roadbed in lava flow area along east side of US 97 ca 5.1 mi NE of jct I-5 Business Loop in Weed. 1159 Comment
  CHSC4530  Penstemon newberryi J. E. Bowlin 1967-7-16 39 Siskiyou On roadside, ca. 8.5 mi w of Mount Shasta Ski Bowl. 1554 Comment
  JEPS101482  Penstemon newberryi var. berryi Dean W. Taylor 1972-7-3 1611 Siskiyou Salmon Mountains, near Little Duck Lake 1981 Comment
  NY627431  Penstemon newberryi var. berryi L. C. Wheeler 1935-6-27 3605 Siskiyou Head of Etna Creek, Marble Mountains 1798.3 Comment
  JEPS26254  Penstemon newberryi var. berryi Friedrich Ehrendorfer 1959-5-29 loc. 22 Siskiyou to the S of the road, at Etna summit, on road from Etna to Finley Camp (Salmon Mtn. summit) 1813 Comment
  LA28971  Penstemon newberryi var. newberryi E. B. Copeland; 1903-7-17 3510 Siskiyou Mt Shasta 1828 Comment
  NY627305  Penstemon newberryi var. newberryi E. B. Copeland 1903-7-17 3510 Siskiyou Mt. Shasta 1828.8 Comment
  HSC76760  Penstemon parvulus K. T. Stillman 1976-7-14 237 Siskiyou Marble Mtn. Wilderness Area Comment
  JEPS6891  Penstemon parvulus A. A. Heller 1916-7-22 12485 Siskiyou e side Mt. Eddy Comment
  NY130475  Penstemon piliferus A. A. Heller 1905-6-8 7991 Siskiyou Comment
  SEINET4440734 Image available Penstemon piliferus A. A. Heller 1905-1 7991 Siskiyou Comment
  JEPS74525  Penstemon procerus var. brachyanthus W. J. Ferlatte 1966-6-22 81 Siskiyou Josephine Lake basin Trinity Alps 1676 Comment
  NY638946  Penstemon procerus var. brachyanthus I. L. Wiggins 1955-7-27 13526 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042.2 Comment
  UC335730  Penstemon roezlii J. G. Lemmon 1889-7-28 Siskiyou Mts. near Eddy Mt. (Shasta region); , Mts. near Eddy Mt. Comment
  UC1238910  Penstemon roezlii Freed W. Hoffman 1948-7-6 2437 Siskiyou Scott Mountain road near summit of divide; North Coast Ranges, Scott Mountain rd nr summit divide Comment
  CAS-BOT-BC239431  Penstemon rydbergii var. oreocharis Peter Rubtzoff 1978-6-26 9218 Siskiyou Southeast margin of Grass Lake near Hwy 97 Comment
  RSA114975  Penstemon rydbergii var. oreocharis E. K. Balls, Lee W. Lenz 1956-6-18 21806 Siskiyou 1.3 mi SE of Bartle (jct with rd to Lava Beds) State Hwy 89, McCloud to Burney. 1220 Comment
  UC454777  Penstemon speciosus I. J. Condit July 1911 Siskiyou Sisson Comment
  SEINET3160574  Penstemon speciosus G. D. Butler 1910-5-18 1360 Siskiyou near Yuka Comment
  SEINET11154191  Perideridia gairdneri subsp. borealis G. D. Butler 1910-8-7 1822 Siskiyou Humbug Mountain. 1219 Comment
  HSC65426  Perideridia leptocarpa D. Reed 1980-8-19 306 Siskiyou Below switchback in FS 46N64 Comment
  HSC29421  Perideridia parishii subsp. latifolia Frederick W. Oettinger 1968-8-12 493 Siskiyou Just N of Tobacco Lake along the trail from the W end of Hancock Lake 1890 Comment
  CAS-BOT-BC423353  Peritoma platycarpa A. A. Heller 1905-6-9 8010 Siskiyou Montague Comment
  SD53409  Persicaria maculosa Darley F. Howe 1962-8-5 3394 Siskiyou 12 miles east of Happy Camp on #96 518 Comment
  UCD99566  Persicaria maculosa Morris Halperin 1930-7-11 4 Siskiyou Eureka. Comment
  CDA15529  Phacelia bolanderi G. F. Hrusa 1998-7-5 14697 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 4.x. Comment
  HSC70602  Phacelia corymbosa J. O. Sawyer, R. J. Cole 1981-7-2 4149 Siskiyou Near Scott Mountain Campground Comment
  JEPS57181  Phacelia corymbosa L. R. Heckard 1967-8-13 1694 Siskiyou s-facing slope near summit Mt. Eddy 2712 Comment
  RSA517321  Phacelia greenei Barbara Ertter, T. Delendick 1987-5-17 6969 Siskiyou Scott Mountain Summit; 0.5 mile east of Route 3 on FR 40N08. 1707 Comment
  UCR40022  Phacelia greenei C. Houseman, M. A. Strull, L. Linstedt 1984-5-26 68 Siskiyou (none given on label) 701 Comment
  UCSB51236  Phacelia hastata subsp. compacta Almanza, Ed 1976-7-13 Siskiyou McBride campground, Mt. Shasta 1493 Comment
  RSA133985  Phacelia hastata subsp. hastata L. R. Heckard 1956-8-7 830 Siskiyou Near Deer Mt. Lodge (western flank of Deer Mt.). 1433 Comment
  RSA184649  Phacelia hastata subsp. hastata Clare B. Hardham 1965-8-20 13014 Siskiyou Cudahy Lakes Comment
  HSC13653  Phacelia hastata var. hastata R. C. Wunner 1965-7-9 371 Siskiyou Lava Beds National Monument Upper Ice Cave 1555 Comment
  SEINET5763830  Phacelia heterophylla G. D. Butler 1910-5-22 1386 Siskiyou Yreka Creek Comment
  UC1034592  Phacelia heterophylla subsp. virgata Douglas Barbe 1955-7-1 70 Siskiyou 0.6 mi e Etna (s side of rd); Klamath Mountains 853 Comment
  JEPS91088  Phacelia leonis Dean W. Taylor 1988-7-9 9935 Siskiyou North Coast Ranges, Gumboot Lake, headwaters South Fork Sacramento River Gumboot Lake; North Coast Ranges, Gumboot Lake 1950 Comment
  UC572209  Phacelia linearis M. H. Mitchell 1936-5-14 Siskiyou Captain Jack's Stronghold Modoc Lava Beds Nat'l Monument, Dorris Quadrangle 1554 Comment
  JEPS25595  Phacelia mutabilis Rimo Bacigalupi 1959-7-2 7227 Siskiyou near north base of Caribou Mtn. (just s of low divide (Trinity Co. boundary) separating Coffee Creek drainage from that of the Salmon River, headwaters of river); South Fork of the Salmon River, Big Flat Campground 1508 Comment
  UC1426027  Phacelia mutabilis Frederick W. Oettinger 1968-8-16 546 Siskiyou on mountain due n Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area, High Lake 1981 Comment
  UC901811  Phacelia mutabilis L. Constance, J. F. Davidson, B. Kasipligil, and H. L. Mason 1950-7-16 3359 Siskiyou e side Little Grayback Peak (summit of Happy Camp-Waldo rd) 1524 Comment
  UC923133  Phacelia mutabilis Freed W. Hoffman 1950-7-13 3337 Siskiyou Baldy Mountain Lookout North Coast Ranges (w Siskiyou Co.) 1737 Comment
  HSC29259  Phacelia mutabilis Frederick W. Oettinger 1968-8-11 482 Siskiyou Salmon Mtns., just below Tom Taylor Cabin Spring 2043 Comment
  HSC70607  Phacelia pringlei J. O. Sawyer, R. Jane Cole 1981-7-2 4145 Siskiyou Near Scott Mountain Campground 1585 Comment
  UC164146  Phacelia procera Geo. D. Butler 1910-7-8 1679 Siskiyou Shackleford Creek 1524 Comment
  SEINET12280335  Phacelia racemosa Unknown 1879-1 Siskiyou near Shasta Mountain Comment
  CAS-BOT-BC159001  Phacelia ramosissima var. ramosissima Alice Eastwood 1912-8-30 2020 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC77432  Philadelphus lewisii A. M. Vollmer; L. Beane 1951-6-2 38 Siskiyou Klamath River Highway, betw. U.S. 99 & Gottville Comment
  RSA759840  Philadelphus lewisii Robert F. Thorne 1969-8-2 63398 Siskiyou Klamath Nat'l Forest, Salmon Mountains: Marble Mtn Wilderness, trail to English Peak, along N fork of Salmon River at Cedars 1159 Comment
  UC114914  Philadelphus lewisii Brandegee July 1887 Siskiyou Ager Comment
  UCR17259  Philadelphus lewisii subsp. californicus Frank C. Vasek 1975-6-29 750629- 04 Siskiyou 5.4 mi SW of Gazelle Comment
  HSC82220  Phleum pratense Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4540 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  HSC39779  Phlox adsurgens J. P. Smith, Steve Selva 1970-7-16 4398 Siskiyou Blue Mtn. Comment
  HSC29270  Phlox adsurgens Frederick W. Oettinger 1967-7-26 208 Siskiyou Marble Mtn. Wilderness Area, 1/8 mi. NE of Tobacco Lake 1890 Comment
  JEPS124890 Image available Phlox diffusa P. L. Billings 1965-7-25 96 Siskiyou About 100' above end of road on Mt. Shasta. Comment
  UC1080548  Phlox diffusa S. S. Tillett 1956-7-9 630 Siskiyou ca 8 mi se Callahan (e-facing slope of Scott Mtn., Siskiyou-Trinity Co. line); Scott Mtn. 2072 Comment
  RSA237975  Phlox diffusa subsp. subcarinata Frederick W. Oettinger 1969-7-10 964 Siskiyou South of Upper English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 1921 Comment
  JEPS82447  Phlox gracilis Gilbert Muth 1966-7-18 419 Siskiyou meadow above Marble Valley (Marble Gap Trail); Marble Mt. Wilderness Area 1828 Comment
  HSC93351  Phlox hirsuta Daine Elam, Ken Fuller 1997-5-14 Siskiyou Soap Creek Ridge, upslope from Hwy. 3, SW of Yreka Comment
  HSC45154  Phlox speciosa subsp. nitida J. O. Sawyer, E. Cope 1977-6-19 2952 Siskiyou Clear Creek Trail between Preston Creek and Trout Camp 915 Comment
  SEINET3145545  Phlox speciosa subsp. occidentalis G. D. Butler 1910-4-15 1175 Siskiyou Yreka Comment
  POM209396  Phlox speciosa subsp. occidentalis L. C. Wheeler 1935-4-17 3424 Siskiyou Greenhorn Creek, Siskiyou Mtns. (Mt. Diablo Mer.) 1006 Comment
  UC1017687  Phoenicaulis cheiranthoides Marion Ownbey and Ruth P. Ownbey 1938-7-19 1752 Siskiyou 2 1/2 mi. n.w. Dry Lake Lookout (summit of Siskiyou Mts.); Siskiyou Mts. Comment
  JEPS107652  Phoradendron densum Lowell Ahart, John Dittes 2005-6-10 12068 Siskiyou South of a poor dirt road, about 90 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  HSC7868  Phyllodoce empetriformis Dorothy Parker 1949-7-10 337 Siskiyou Near Paradise Lake, Salmon Mountain 1982 Comment
  POM131811  Phyllodoce empetriformis E. B. Copeland 1902-8-18 3899 Siskiyou Mt. Eddy 2591 Comment
  UC562495  Phyllodoce empetriformis Joseph P. Tracy 1935-8-1 14406 Siskiyou Rock Lake, at extreme head of West Fork of Knownothin Creek, between Salmon and New Rivers West Fork Knownothin Creek; Rock Lake, West Fork Knownothin Creek 1889 Comment
  UCSB27387  Phyllodoce empetriformis Wilken, Dieter 1969-7-26 Siskiyou Panther Meadows, near the summit of Mt. Shasta Ski Bowl Road, south slope of Mt. Shasta 2895 Comment
  HSC76637  Physaria occidentalis K. T. Stillman 1976-6-25 59 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  CAS-BOT-BC60762  Physaria occidentalis Gilbert Muth 1965-8-12 s.n. Siskiyou Behind Black Mountain. Comment
  HSC64809  Physaria occidentalis J. P. Smith 1976-5-21 8752 Siskiyou Along FS Rd. 40N08, 1 mi. from its junction with Hwy. 3, Klamath National Forest 1646 Comment
  CAS-BOT-BC64870  Physaria occidentalis subsp. occidentalis R. C. Wenk 2005-7-15 219 Siskiyou Above South Fork Salmon River, along Yellow Rose Mine trail. Top of pass going N along ridge towards Preacher's Peak. 2130 Comment
  CAS-BOT-BC140601  Physocarpus capitatus Doris K. Kildale 1939-8-24 9054 Siskiyou Youngs Valley, trail to Preston Peak 1371 Comment
  CAS-BOT-BC140608  Physocarpus capitatus Copeland 1903-9-6 3858 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC78166  Picea breweriana W. R. Dudley 1899-7-5 s.n. Siskiyou North slope of Siskiyou near Bartlett trail Comment
  HSC24697  Picea breweriana J. O. Sawyer 1969-7-26 1573 Siskiyou SE facing slope near S Sugar Creek 1700 Comment
  UC1134169  Picea breweriana R. C. Bacigalupi 1935-10-21 2370 Siskiyou 1/2 mi ne summit of road between Waldo and Happy camp; Siskiyou National Forest, Seiad Quadrangle Comment
  CAS-BOT-BC73434  Picea engelmannii L. E. Berriman 1940-8-30 s.n. Siskiyou North Coast Ranges - Sugar Creek, a tributary of the Scott River. Mount Diablo Meridian. 1432 Comment
  JEPS47878  Pinus albicaulis Geo. D. Butler 1908-8-5 520 Siskiyou summit next to Cold Spring Gulch (old cabin trail) Comment
  RSA105393  Pinus albicaulis G. D. Barbe 1955-8-5 360 Siskiyou Growing along a ridge NW of the summit of Caribou Mtn in the Salmon Mtns. 2409 Comment
  JEPS88716  Pinus attenuata W. L. Jepson 1902-7-1 Siskiyou Trinity Summit to Salmon Summit; Devil's Backbone Comment
  LA16840  Pinus attenuata Carl B. Wolf; 1934-7-4 5929 Siskiyou Klamath River, 0.3 mi. below Walker Creek 426 Comment
  RSA1660  Pinus attenuata C. B. Wolf 1930-10-19 1747 Siskiyou Modoc Lava Beds; 1 mile W of Timbered Butte, on old road from C. W. Hill farm to Little Hot Springs Valley. 1220 Comment
  RSA184682  Pinus balfouriana Gilbert Muth 1966-8-6 178 Siskiyou North ridges of the Marble Rim, Marble Mounains. 2134 Comment
  CAS-BOT-BC78495  Pinus contorta subsp. murrayana John Thomas Howell 1937-7-25 13470 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC67816  Pinus contorta var. murrayana J. O. Sawyer, J. Cole 1980-7-20 3786 Siskiyou S of Grouse Hill, at N base of Badger Peak 2146 Comment
  RSA0116404  Pinus contorta var. murrayana E. R. Johnson 1928-8-31 1196 Siskiyou 10 miles East of Bartle. Comment
  HSC32594  Pinus lambertiana Steven Lagos 1974-5-26 88 Siskiyou Duck Lake Creek drainage, Bulk Collection # 62 1220 Comment
  CAS-BOT-BC78949  Pinus monticola Doris K. Kildale 1928-8-19 6537 Siskiyou summit of Divide at Hancock Lake, trail to Marble Mt. 2194 Comment
  HSC69287  Pinus monticola Maralyn A. Renner 1980-7-24 1950 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  HSC32596  Pinus ponderosa Steven Lagos 1974-5-26 87 Siskiyou Duck Lake Creek drainage, Bulk Collection # 59 1220 Comment
  HSC67814  Pinus ponderosa J. O. Sawyer, J. Cole 1980-7-20 3789 Siskiyou S of Grouse Hill, at N base of Badger Peak 2146 Comment
  UC166574  Piperia unalascensis Geo. D. Butler 1671 Siskiyou Comment
  JEPS107412  Plagiobothrys bracteatus Lowell Ahart, John Dittes 2005-6-9 12035 Siskiyou Meadow area along a small drainage, about 50 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  UCD120837  Plagiobothrys hispidulus Louis C. Wheeler 1934-7-3 2869 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts., Mt. Diablo Mer. 1676 Comment
  JEPS32026  Plagiobothrys hispidus W. B. and V. G. Cooke 1963-7-10 34273 Siskiyou n side Mt. Shasta (in Bolam logging road); , Bolam 2133 Comment
  UC903389  Plagiobothrys nothofulvus Dorothy Parker 1948-5-3 Siskiyou 4 mi s Yreka (along Highway 99) 878 Comment
  POM71621  Plagiobothrys scouleri var. hispidulus Marcus E. Jones 1882-7-8 s.n. Siskiyou Duncan s Mill. 100 mi N of S.F Comment
  HSC46221  Plagiobothrys shastensis Jennifer Whipple 1978-6-5 2331 Siskiyou Weston Gulch in Scott Valley 854 Comment
  POM182433  Plagiobothrys tenellus Geo. D. Butler 1910-5-6 1295 Siskiyou Yreka. Comment
  RSA611015  Plagiobothrys tenellus L. C. Wheeler 1935-5-18 3495 Siskiyou Siskiyou Mountains; Yreka Creek (Mt. Diablo Mer.) 854 Comment
  JEPS6469  Plantago eriopoda Rimo Bacigalupi and G. T. Robbins 1954-8-13 4802 Siskiyou 1.9 mi s Gazelle; Shasta Valley 853 Comment
  RSA185840  Platanthera leucostachys John H. Thomas, H. A. Thomas 1954-7-27 4555 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. South side of South Fork of Salmon River in vicinity of Blind Horse Creek and area 1 miles to SE. 884 Comment
  HSC60787  Platanthera sparsiflora Ruby Van Deventer Siskiyou Bell Echo Camp in Youngs Valley Comment
  RSA237639  Platanthera stricta Frederick W. Oettinger 1967-7-26 205 Siskiyou Along trail down to Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  SBBG26969  Plectritis macrocera L. C. Wheeler 1935-6-1 3537 Siskiyou Yreka Crk, Siskiyou Mtns 853 Comment
  RSA238571  Pleuricospora fimbriolata Frederick W. Oettinger 1969-7-29 1107 Siskiyou Just N. of Uncles' Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  CAS-BOT-BC261036  Poa Melissa A. Berry 1957-7-7 s.n. Siskiyou China Mt. divide, near Gazelle-Callahan Road 2286 Comment
  RSA184792  Poa Gilbert Muth 1966-7-17 403 Siskiyou Trail to lookout, Marble Mts. 1829 Comment
  CAS-BOT-BC254615  Poa X limosa David D. Keck 1949-7-19 6343 Siskiyou 2 miles S of Grenada, long RR right-of-way 777 Comment
  UCD37077  Poa bolanderi Beecher Crampton 1956-8-21 3810 Siskiyou Siskiyou County, 15 miles southwest of city of Mount Shasta, slope above Gumboot Lake, headwater of south fork of Sacramento River. 1920 Comment
  CAS-BOT-BC254996  Poa bulbosa Morris Halperin 1930-5-17 305 Siskiyou Railroad Station, Montague Comment
  RSA484232  Poa bulbosa L. C. Wheeler 1935-5-11 3479 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  SEINET7075525 Image available Poa bulbosa A. G. Vestal 1955-5-16 s.n. Siskiyou About 6.2 miles northwest of Weed. 41? deg. 28' 27" North Latitude, -122? deg. 28' 53" West Longitude. UTM Zone 10, 543291mE, 4591309mN. (NAD 27). [Coordinate Datum: WGS84/NAD83]. Comment
  UC450464  Poa bulbosa Morris Halperin 1931-5-17 301 Siskiyou near Yreka Comment
  HSC73334  Poa compressa Gail Newton 1980-6-20 469 Siskiyou Near Bald Mtn. 1097 Comment
  UC1924337  Poa compressa P. M. Peterson, J. M. Saarela & C. J. Sears 2006-8-8 19743 Siskiyou 6.5 mi SW of Etna on Forest Service Rpoad 1C-01 towards Etna Summit 1424 Comment
  CAS-BOT-BC256012  Poa pratensis Wm. Bridge Cooke 1938-7-15 11236 Siskiyou Wagon Camp, Mount Shasta 1737 Comment
  JEPS107452  Poa pratensis subsp. pratensis Lowell Ahart, John Dittes 2005-6-10 12125 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
  CAS-BOT-BC247523  Poa pringlei Wm. Bridge Cooke 1939-7-26 13755 Siskiyou Mount Shasta. Below Lake Helen on the Summit Trail 3048 Comment
  UC618612  Poa pringlei W. Bridge Cooke 1938-9-8 11640 Siskiyou near South Gate Springs; Mt Shasta Comment
  SEINET10869056  Poa rhizomata George D. Butler 1910-4-21 Butler 1205 Siskiyou Comment
  JEPS116631  Poa secunda Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -007 Siskiyou North side of Mt. Shasta, south of Hwy 97 Mt. Shasta 1090 Comment
  POM204730  Poa secunda E. B. Copeland 1903-9-7 3791 Siskiyou Mt. Eddy. Comment
  RSA578034  Poa secunda L. C. Wheeler 1935-5-18 3498 Siskiyou Siskiyou Mountains; Yreka Creek (Mt. Diablo Mer.) 854 Comment
  CAS-BOT-BC243228  Poa secunda subsp. secunda Geo. D. Butler 1910-5-6 1294 Siskiyou Near Yreka Comment
  HSC77053  Poa secunda subsp. secunda K. T. Stillman 1976-8-7 174 Siskiyou Marble Mtn. Wilderness Area. 2073 Comment
  HSC77126  Poa secunda subsp. secunda K. T. Stillman 1976-8-7 178 Siskiyou Marble Mtn. Wilderness Area. Comment
  JEPS45828  Poa secunda subsp. secunda Duncan Dunning 1922-6-5 Siskiyou nw Fort Jones (Moffett Creek) Comment
  UCD90800  Poa secunda subsp. secunda Beecher Crampton 1956-8-21 3815 Siskiyou Above Gumboot Lake, headwater of S fork of Sacramento River. 1920 Comment
  CAS-BOT-BC232898  Polemonium carneum Geo. D. Butler 1910-5-15 1344 Siskiyou McAdam Creek Comment
  RSA365430A  Polemonium carneum M. B. Dunkle 1944-1 9048 Siskiyou Siskiyou National Forest Comment
  SEINET13763051  Polemonium carneum G. D. Butler 1910-5-15 1344 Siskiyou McAdams Creek Comment
  UC23987  Polemonium occidentale subsp. occidentale C. B. Bradley 1879-1 Siskiyou Squaw Valley Comment
  HSC19284  Polemonium pulcherrimum J. O. Sawyer 1969-6-12 877 Siskiyou Ridge SE of Eaton Lake 2226 Comment
  HSC67532  Polygala cornuta J. P. Smith, Steve Selva 1970-6-14 3858 Siskiyou Comment
  CAS-BOT-BC170335  Polygala cornuta var. cornuta Wayne Roderick 1967-7-25 s.n. Siskiyou Cabin Meadow, n. of Cory Peak, Scott Mts. 1828 Comment
  CHSC86452  Polygonum aviculare Jenny Marr 1993-7-1 69 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  CAS-BOT-BC414393  Polygonum californicum Geo. D. Butler 1908-7-12 192 Siskiyou Near Yreka Comment
  RSA11902  Polygonum douglasii Elmer I. Applegate 1923-8-18 3885 Siskiyou Hoffman Mtn, Medicine Lake Comment
  UC1540148  Polygonum douglasii subsp. douglasii Dean Wm. Taylor and Glenn L. Clifton 1987-8-5 9226 Siskiyou Forest Rd 36N06 at crossing of Tate Creek; McCloud River drainage 1484 Comment
  UC454278  Polygonum douglasii subsp. douglasii I. J. Condit 1911-7-7 Siskiyou Shasta Retreat; meadow and along logging road 914 Comment
  CHSC45465  Polygonum douglasii subsp. spergulariiforme Lowell Ahart 1983-9-13 4411 Siskiyou Near the Highway 96, near the Klamath River, about 5 miles west of Interstate 5. 914 Comment
  UC850392  Polygonum douglasii subsp. spergulariiforme Alice Eastwood 1922-10-23 11553 Siskiyou Yreka Comment
  CAS-BOT-BC418597  Polygonum minimum Geo. D. Butler 1910-7-13 1776 Siskiyou Shackleford Creek 1219 Comment
  UC1026897  Polygonum minimum W. Bridge Cooke 1940-8-22 15486 Siskiyou Mount Shasta, Squaw Valley Creek 2438 Comment
  UC1312939  Polygonum minimum J. M. Tucker and L. K. Mann 1963-8-17 3743 Siskiyou Marble Mountain Wilderness Area; along trail from Red Rock Valley to top of ridge to s 1859 Comment
  HSC30506  Polygonum minimum Frederick W. Oettinger 1968-9-2 677 Siskiyou Marble Mtn. Wilderness Area, Horse Range Lake 1860 Comment
  SEINET10733869  Polygonum newberryi Andrew Townesmith, Karen M. Meyer 2007-7-30 Townesmith 871 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta. T41N R3W S33 NW 1/4. 2399 Comment
  RSA237794  Polygonum phytolaccifolium Frederick W. Oettinger 1967-8-23 320 Siskiyou English Peak Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  CAS-BOT-BC420070  Polygonum polygaloides subsp. kelloggii Gilbert Muth 1966-7-19 425 Siskiyou Marble Mts. 1798 Comment
  SBBG18316  Polygonum sawatchense C. B. Hardham 1961-7-2 8063 Siskiyou Mill Crk 1219 Comment
  CAS-BOT-BC420225  Polygonum sawatchense subsp. sawatchense A. A. Heller 1916-6-20 12403 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC420951  Polygonum sawatchense subsp. sawatchense Herbert L. Mason 1948-7-18 13623 Siskiyou Grass Lake Comment
  UCD100665  Polygonum sawatchense subsp. sawatchense J. M. Tucker; L. K. Mann 1963-8-17 3742 Siskiyou Beside trail from Red Rock Valley to top of ridge to the south, Marble Mountain Wilderness Area. 1859 Comment
  HSC30504  Polygonum shastense Frederick W. Oettinger 1969-9-3 1611 Siskiyou Marble Mtn. Wilderness Area, Shasta Ridge N below English Peak 2134 Comment
  SD76188  Polygonum shastense Helen V. Witham 1969-10-9 602 Siskiyou on scree, Mt. Shasta 2400 Comment
  CAS-BOT-BC421084  Polygonum spergulariiforme Lowell Ahart 1983-9-13 4411 Siskiyou Near the highway 96, near the Klamath River, about 5 miles west of Interstate Highway 5 1000 Comment
  POM2370  Polygonum spergulariiforme Geo. D. Butler 1910-7-31 1803 Siskiyou Near Yreka Comment
  UC637175  Polypodium glycyrrhiza Edward Lee 1934-8-11 1034 Siskiyou Walker Creek, a tributary of Klamath River Walker Creek; e end Seiad Valley 609 Comment
  JEPS73742  Polypogon interruptus George D. Butler 1908-6-25 481 Siskiyou along creek Butler's Ranch near Yreka Comment
  RSA237504  Polystichum imbricans Frederick W. Oettinger 1969-7-29 1106 Siskiyou On the base of the southern facing slope just north of Uncle's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  CAS-BOT-BC76733  Polystichum imbricans subsp. imbricans Doris K. Kildale 1928-7-3 5434 Siskiyou Fork of Salmon Comment
  CAS-BOT-BC76734  Polystichum imbricans subsp. imbricans Donald L. Branscomb 1958-7-1 s.n. Siskiyou Mount Shasta Comment
  HSC34350  Polystichum lemmonii J. P. Smith, J. O. Sawyer 1973-8-14 7303 Siskiyou On trail from Campbell Lake to Cliff Lake 1829 Comment
  SBBG16155  Polystichum lemmonii E. Bacciu 1961-6-1 Siskiyou Mt Eddy Crk, near Weed 1524 Comment
  UC1408837  Polystichum lonchitis Frederick W. Oettinger 1968-9-2 661 Siskiyou sw of Upper English Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1874 Comment
  UC1877814  Polystichum lonchitis J. C. Game with Jeff Greenhouse, Jim Shevock 2004-7-9 5074 Siskiyou on the side of Gray Rock Lake, above the lake, about five miles NW of Castle Crags 1844 Comment
  RSA13704  Polystichum lonchitis L. C. Wheeler 1934-8-6 3058 Siskiyou Siskiyou Mountains; Rock Gulch off Jaynes Canyon. 1829 Comment
  SBBG28170  Polystichum scopulinum L. C. Wheeler 1934-8-26 3225 Siskiyou Trapper Crk 1981 Comment
  HSC100202  Populus alba J. P. Smith, , J. O. Sawyer, & R. J. Cole 2011-5-22 13171 Siskiyou Klamath National Forest, East Fork Campground. 735 Comment
  CAS-BOT-BC102763  Populus tremuloides W. B. C. 1938-8-23 11577 Siskiyou Top of the Shastina Lava Park on the north side of Shastina 2438 Comment
  HSC19902  Populus tremuloides R. C. Wunner 1965-7-13 384 Siskiyou Lava Beds National Monument, Indian Well prefab near maintenance area 1433 Comment
  HSC28674  Populus tremuloides Frederick W. Oettinger 1968-8-17 558 Siskiyou Marble Mtn. Wilderness Area, N of Pine Lake 1860 Comment
  UC1265462  Potamogeton berchtoldii Frederick W. Oettinger 1969-8-18 1417 Siskiyou at nw shore of Horse Range Lake (High Lake Basins in Vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1821 Comment
  CHSC91716  Potamogeton crispus G. F. Hrusa 2001-6-6 15860 Siskiyou Siskiyou Mountains. Klamath River, +/- 1.5 mi. E of Ft. Goff campground. At river edge. Adjacent to 15859, app. 20 meters downstream. UTM: 10T, 463312 N, 0481408 E. 350 Comment
  UC637083  Potamogeton foliosus Edward Lee 1934-8-12 1238 Siskiyou near mouth of Walker Creek (s side of Klamath River, e end of Seiad Valley); Klamath River, Seiad Valley 426 Comment
  POM366599  Potentilla breweri var. breweri M. B. Dunkle 1945-1 9302 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  UC1538958 Image available Potentilla cristae Marla A. Knight, Julie D. Knorr 1987-8-3 951 Siskiyou near summit Cory Peak; China Mt. Quad., near summit Cory Peak 2133 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
  UC329971 Image available Potentilla cristae unknown 1888-9-7 Siskiyou near Mt. Eddy; near Mt. Eddy Comment
  HSC29384  Potentilla drummondii Frederick W. Oettinger 1969-7-13 1001 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; N of upper English Lake 1951 Comment
  CDA26077  Potentilla flabellifolia Gordon Leppig, J. Kalt 1996-7-9 390 Siskiyou Northern California Peatlands; Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, in cirque west of Little Duck Lake. Comment
  HSC2409  Potentilla flabellifolia William J. Ferlatte 1966-8-5 335 Siskiyou Caribou Mtn. 2470 Comment
  CAS-BOT-BC540567  Potentilla gracilis var. fastigiata John Thomas Howell 1939-8-2 14931 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  JEPS104991  Potentilla millefolia Dean W. Taylor 1996-7-27 15863 Siskiyou Grass Lake (about 15 air mi NE of Weed); Klamath National Forest; Modoc Plateau region 1524 Comment
  UC860723  Potentilla millefolia A. A. Heller 1938-7-13 15266 Siskiyou about a mi s Bray; s of Bray 1402 Comment
  SEINET6637083  Potentilla millefolia L. C. Wheeler 1935-6-23 3590 Siskiyou Shasta River 2mi NW Montague 762 Comment
  CHSC71501  Poteridium annuum Vernon H. Oswald; Lowell Ahart 1998-7-21 9344 Siskiyou Northeast of Weed and east of Grass Lake on the south side of Tennant Rd. 0.2 mi southeast of Old State Hwy. to Bray and on the east side of the intermittent stream draining Dry Lake. 1402 Comment
  CAS-BOT-BC516389  Prosartes hookeri Alice Eastwood 1923-5-27 11941 Siskiyou Shasta Springs on road to McCloud Comment
  CAS-BOT-BC158215  Prunus emarginata Roxana S. Ferris; Laura Lorraine 1948-6-12 11776 Siskiyou About 5.5 miles from Etna on forks of Salmon Road Comment
  CAS-BOT-BC158220  Prunus emarginata John M. Tucker 1963-7-7 3711 Siskiyou In vicinity of Paradise Lake, at base on east side of Kings Castle, Marble Mountain Wilderness Area 1981 Comment
  HSC43377  Prunus emarginata Maralyn O'Meara 1974-5-26 453 Siskiyou Chandler Glade along USFS Rd. 47N03 1768 Comment
  HSC45149  Prunus emarginata J. O. Sawyer, E. Cope 1977-6-19 2958 Siskiyou Along trail to Devil's Punchbowl 1372 Comment
  LA86525  Prunus emarginata John M. Tucker; 1963-7-7 3711 Siskiyou Marble Mountain Wilderness Area, in vicinity of Paradise Lake, at base of Kings Castle on E side 1981 Comment
  RSA3387  Prunus emarginata Carl B. Wolf 1931-9-1 1260 Siskiyou 0.25 miles North of entrance to Shasta Springs 915 Comment
  UC144435  Prunus emarginata A. A. Heller 1905-6-1 7929 Siskiyou between Dunsmuir and Upper Soda Spring Comment
  UCSB23231  Prunus emarginata Keefe, Joseph 1967-7-11 Siskiyou East shore of Castle Lake, 10 miles southwest of city of Mt. Shasta. 1706 Comment
  UC164300  Prunus subcordata Geo. D. Butler 1910-4-12 1170 Siskiyou Yreka Creek Comment
  CAS-BOT-BC151245  Prunus virginiana var. demissa Carl B. Wolf 1927-8-27 1114 Siskiyou On the Klamath River, Happy Camp Comment
  JEPS44608  Prunus virginiana var. demissa W. L. Jepson 1940-7-3 20092 Siskiyou 6 mi e of McCloud (Fowlers Camp, McCloud River); McCloud River, Fowlers Camp 944 Comment
  UC527336  Prunus virginiana var. demissa C. B. Wolf 1931-9-2 2389 Siskiyou near Fish Hatchery at Mount Shasta City (Sisson) Fish Hatchery; Mount Shasta City (Sisson) 1066 Comment
  SEINET7452469  Prunus virginiana var. demissa G. D. Butler 1909-5-16 s.n. Siskiyou Near Yreka. Comment
  CAS-BOT-BC239817  Pseudoroegneria spicata Elmer I. Applegate 1935-6-8 9433 Siskiyou Bear Paw [Bearpaw] Cave, Lava Beds National Monument Comment
  CAS-BOT-BC239819  Pseudoroegneria spicata Elmer I. Applegate 1935-6-5 9317 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  POM161561  Pseudoroegneria spicata subsp. spicata Geo D. Butler 1910-7-3 1626 Siskiyou Goose nest foothills 1220 Comment
  CHSC228  Pseudostellaria jamesiana M. Yoder 1941-7-12 Siskiyou Castle Lake. Comment
  RSA52432  Pseudostellaria jamesiana Dorothy Parker 1948-6-14 s.n. Siskiyou Rail Creek, Plowman s Valley 1204 Comment
  HSC27953  Pseudotsuga menziesii var. menziesii Carl W. Mize 1972-9-23 115 Siskiyou 0.5 mi from end of Steinacher Creek Rd. 884 Comment
  HSC36736  Pseudotsuga menziesii var. menziesii Brent Whitely 1975-6-21 11 Siskiyou 223 Comment
  CHSC88367  Psilocarphus oregonus Jenny Marr 1993-7-1 173 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  SEINET202667  Pteryxia terebinthina var. californica Willis L. Jepson 13488 Siskiyou Lake Sisson Mt Shasta. Comment
  UC1246760  Pteryxia terebinthina var. californica A. S. Barclay, R. D. Barbee and K. E. Blum 1962-7-10 1328 Siskiyou along Sacramento Creek, ca. 2 mi SW of town of Mt. Shasta Comment
  UC1540180  Puccinellia nuttalliana Dean W. Taylor 1987-8-9 9290 Siskiyou 8.3 mi w Highway 139 (along Highway 161 (Oregon border)); Lower Klamath National Wildlife Refuge 1249 Comment
  SEINET5338232  Pulsatilla occidentalis G. Butler 1910-7-10 1736 Siskiyou Upper Campbell Lake. 1676 Comment
  JEPS18589  Purshia tridentata var. tridentata W. L. Jepson Jul 1894 13843 Siskiyou Sisson Comment
  POM301618  Purshia tridentata var. tridentata Carl B. Wolf 1941-7-26 11076 Siskiyou SW end Little Shasta Valley. 12 miles NE weed on US Hwy 97 at jct with Rd to Montague 915 Comment
  UC1128525  Purshia tridentata var. tridentata R. D. Roseberry 1936-5-15 Siskiyou 0.5 mi e Coldwell Butte; Modoc Lava Beds National Monument, Dorris Quad. 1371 Comment
  UC1198696  Purshia tridentata var. tridentata Joseph P. Tracy 1949-9-16 18563 Siskiyou 1 mi e Etna; Scott Valley 883 Comment
  UC1539993  Purshia tridentata var. tridentata Roseberry 1936-5-15 33 Siskiyou 0.5 mi e Caldwell Butte; Lava Beds National Monument 1371 Comment
  UC775003  Purshia tridentata var. tridentata Carl B. Wolf 1941-7-26 Siskiyou 12 mi ne Weed (on U.S. Hwy 97, at junction with road to Montague, sw end of Little Shasta Valley); Little Shasta Valley 914 Comment
  HSC99616  Pyrola aphylla J. O. Sawyer 1969-7-11 856 Siskiyou Ravine above C.C.C. road. 1280 Comment
  CAS-BOT-BC462801  Pyrola dentata Doris K. Kildale 1929-7-20 8646 Siskiyou Trail up South Fork Indian Creek to Elk Lick Comment
  SEINET8218484  Pyrola dentata Fred W. Hoffman 1948-7-8 2601 Siskiyou north of West Branch Camp; Waldo-Happy Camp Road. Comment
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May 8 2018
  SEINET185058  Pyrola picta Unknown 1939-7-8 5301 Siskiyou Ca. 15 miles north of Happy Camp on Happy Camp-Takilma Hiway 914 Comment
  SJSU2557  Pyrola picta H. L. Buckalew 1962-7-6 Siskiyou junction of Indian Cr & W Branch Indian Cr Comment
  UCD117827  Pyrola picta J. M. Tucker 1974-7-28 4314 Siskiyou Adjacent to camp at Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  CAS-BOT-BC466127  Pyrola picta Alice Eastwood 1912-7-15 1116 Siskiyou McCloud Comment
  CAS-BOT-BC466308  Pyrola picta C. L. Hitchcock; J. S. Martin 1939-7-8 5301 Siskiyou 15 miles No of Happy Camp on Happy Camp--Takilma Hwy 914 Comment
  CAS-BOT-BC362385  Pyrrocoma racemosa var. racemosa John Thomas Howell 1939-7-31 14858 Siskiyou North side of Scott Mts. on road to Callaghan [Callahan] Comment
  UC166493  Quercus X morehus Geo. D. Butler 1910-5-16 1351 Siskiyou Yreka Comment
  CAS-BOT-BC68601  Quercus chrysolepis A. A. Heller 1921-6-25 13555 Siskiyou about the base of Black Butte near Mt. Shasta Comment
  HSC8314  Quercus chrysolepis C. B. Wolf 1927-8-26 1069 Siskiyou On the Klamath River, 8 mi. above Hamburg Comment
  JEPS46645  Quercus chrysolepis Mrs. Jared Stirring 1897-5 Siskiyou Etna Mills Comment
  UC5539  Quercus chrysolepis W. H. Brewer 1862-8-21 1326 Siskiyou near Mount Shasta 609 Comment
  UC5540  Quercus chrysolepis W. H. Brewer 1862-8-21 1327 Siskiyou near Mount Shasta 609 Comment
  HSC68205  Quercus garryana Steve Selva, J. P. Smith 1970-7-16 4338 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  SD225878  Quercus garryana John M. Tucker 1972-8-8 4247 B Siskiyou Marble Mountain, 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) 1829 Comment
  CAS-BOT-BC62760  Quercus garryana var. breweri Doris K. Kildale 1928-8-18 6442 Siskiyou lead of north fork of Salmon River at Finley's upper Camp Comment
  RSA96850  Quercus garryana var. breweri Percy C. Everett, E. K. Balls 1954-10-13 20288 Siskiyou Indian Creek road to Obrien, at summit of pass, 21 mi. n.w. from Hwy 96 at Happy Camp. 1555 Comment
  UCD14453  Quercus kelloggii John M. Tucker 1972-8-8 4244 Siskiyou California, Siskiyou Co.; Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 mi. west-southwest of Marble Valley Guard Station (extreme southeast corner of Section 20, R. 11W., T. 42N); Comment
  CHSC83156  Quercus sadleriana G. J. Muth; J. M. Tucker 1972-8-9 1797 Siskiyou Near Cook and Green Pass. Ridge top. 1462 Comment
  JEPS37804  Quercus sadleriana W. L. Jepson 1937-7-30 18541 Siskiyou 1.5 mi n Poker Flat; Siskiyou Mts., Indian Creek 1584 Comment
  OBI69128  Quercus sadleriana Dieter H. Wilken, E. Painter 2000-8-10 15852 Siskiyou Just S of Del Norte and Josephine (OR) county lines, NNE of Little Grayback, near head of Indian creek. O'Brien-Happy camp road 1500 Comment
  RSA23948  Quercus sadleriana O. V. Matthews 1939-7-3 22 Siskiyou Upper Limits of Sullivan Mine Grove, Cook-Green region. 1067 Comment
  RSA758222  Quercus sadleriana Robert F. Thorne 1969-8-2 63325 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  UCD14455  Quercus sadleriana John M. Tucker 1972-8-8 4246 Siskiyou California, Siskiyou Co.; Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 mi. west-southwest of Marble Valley Guard Station (extreme southeast corner of Section 20, R. 11W., T. 42N); Comment
  UCD47217  Quercus sadleriana D. Sanchez-Mata 1992-11-1 s.n. Siskiyou Klamath National Forest. Happy Camp-O' Brien. Indian Creek Road. Jefferson State Scenic Byway. 1470 Comment
  UCD47229  Quercus sadleriana Frederick W. Oettinger 1968-9-7 761 Siskiyou Local and uncommon: growing in one clump along the N shore of Tobacco Lake in shade of lake shore open woods. 1889 Comment
  UCD47233  Quercus sadleriana Rimo Bacigalupi; L. Constance, J. P. Tracy, R. Moran, R. L. Rodriguez 1951-6-16 3454 A Siskiyou About 1.5 miles below and southeast of saddle at summit of Takilma-Happy Camp Road, Siskiyou County. Comment
  CAS-BOT-BC104618  Quercus vacciniifolia Doris K. Kildale 1929-8-24 9079 Siskiyou Rattlesnake meadow, near Preston Peak 1524 Comment
  JEPS20044  Quercus vacciniifolia George D. Butler 1908-8-11 231 Siskiyou Shackleford Creek 1158 Comment
  POM210972  Quercus vacciniifolia Louis C. Wheeler 1934-8-8 3066 Siskiyou W Fork Beaver Creek, Siskiyou Mts. Mt Diablo Mer 1677 Comment
  JEPS90107  Raillardella pringlei Dean W. Taylor 1988-7-9 9939 Siskiyou Gumboot Creek North Coast Ranges (headwaters of South Fork Sacramento River, (Seven Lakes Basin 7 1/2' quadrangle) 1905 Comment
  POM147915  Raillardella pringlei J. B. Feudge 1927-7-24 1818 Siskiyou Along trail, Mt Shasta City to Mt. Eddy. 1677 Comment
  UC688900  Ranunculus eschscholtzii var. suksdorfii Vesta Holt 1943-8-7 M- 1 Siskiyou Marble Mountains Comment
  HSC46228  Ranunculus occidentalis var. occidentalis Jennifer Whipple 1978-6-5 2339 Siskiyou Weston Gulch in Scott Valley 854 Comment
  RSA60630  Ranunculus orthorhynchus I. L. Wiggins 1950-5-28 12369 Siskiyou Above Grouse Creek, about 1.5 miles from Carmen Lake. 1585 Comment
  POM311435  Ranunculus repens D. E. Breedlove 1962-6-10 3330 Siskiyou N bank of the Klamath River at its jct with Goff Creek, 4.5 miles W of Seiad. 412 Comment
  CDA3489  Ranunculus testiculatus T. C. Fuller 1970-3-24 19359 Siskiyou Juvenile Hall, south of junction of Annie & State Streets, Yreka. 0 Comment
  UC1211981  Rhamnus crocea Victor A. Zullo 1962-2-12 Siskiyou between Etna and Callahan (s side of Horseshoe Gulch, a side canyon of McConaughy Gulch, on the e side of Scott Valley); Scott Valley, Horseshoe Gulch, McConaughy Gulch Comment
  CAS-BOT-BC56111  Rhamnus ilicifolia Doris Overman 1919-9-1 s.n. Siskiyou Yreka Comment
  JEPS41969  Rhamnus purshiana Willis L. Jepson 1894-1 13967 Siskiyou Sisson Upper Sacramento Region Comment
  SEINET13946355 Image available Rhamnus purshiana A. A. Heller 1915-1 12132 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in forest, 3900 ft. 1189 Comment
  POM136617  Rhamnus rubra E. B. Copeland 1903-9-6 3863 Siskiyou Mt. Eddy. Comment
  CAS-BOT-BC419728  Rhododendron columbianum Julie Kierstead Nelson; Martin Lenz; Rhonda Posey 2014-8-13 2014 -080 Siskiyou Lower Parks Creek Lake margin. 1 mile NE of China Mountain, eastern Klamath Ranges. 2200 Comment
  CAS-BOT-BC200399  Rhododendron occidentale var. paludosum Elmer I. Applegate 1895-5-29 299 Siskiyou Sacramento River below Sisson Comment
  JEPS94252  Rhus trilobata Vernon H. Oswald and Lowell Ahart 1998-6-11 9173 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
  UC1045240  Rhus trilobata W. Bridge Cooke 1940-6-4 15010 Siskiyou Shasta Valley Mount Shasta (along the Bolam road) 1219 Comment
  CAS-BOT-BC438000  Ribes Alice Eastwood 1912-7-19 1245 Siskiyou Mount Shasta Comment
  CAS-BOT-BC438017  Ribes H. E. Brown 1898-1-1 393 Siskiyou North side of Mt. Shasta Comment
  JEPS49271  Ribes aureum Geo. D. Butler 1904-4-13 598 Siskiyou near Yreka (Butler's Ranch) Comment
  UC165929  Ribes aureum Geo. D. Butler 1909-4-13 598 Siskiyou near Yreka Comment
  UC375358  Ribes aureum Geo. D. Butler 1908-6-20 266 Siskiyou near Yreka Comment
  CAS-BOT-BC92540  Ribes binominatum Louis C. Wheeler 1934-7-3 2854 Siskiyou Klamath Forest. Soda Creek. 1676 Comment
  LA205436  Ribes divaricatum var. parishii Wm. Bridge Cooke; 1939-7-21 13702 Siskiyou Mt. Shasta, in the vicinity of the outlet of the Municipal Spring above Howard Comment
  RSA0021095  Ribes inerme var. klamathense G. D. Barbe 1955-6-29 42 Siskiyou 1.8 miles east of Callahan, south bank of Scott River. 976 Comment
  CAS-BOT-BC173285  Ribes lacustre John Thomas Howell 1937-7-22 13305 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC173302  Ribes lacustre W. R. Dudley 1901-8-18 s.n. Siskiyou Near Jackson Lake, southern Siskiyou County Comment
  HSC69420  Ribes lacustre John Palmer 1980-8-13 775 Siskiyou Klamath National Forest, Dead Cow Creek near F.S. Rd. 47N44 from Beaver Creek Rd. 1616 Comment
  HSC98168  Ribes lacustre J. O. Sawyer 1969-7-10 1307 Siskiyou Along S Sugar Creek 2012 Comment
  JEPS24023  Ribes lacustre Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6885 Siskiyou 2 1/2 mi ne Poker Flat; Siskiyou Mountains 1463 Comment
  RSA0021101  Ribes lacustre Gilbert Muth 1966-7-29 458 Siskiyou Marble Valley, by waterfall, Marble Mountains. 1796 Comment
  UC1408857  Ribes lobbii Frederick W. Oettinger 1969-8-6 1250 Siskiyou outlet Pine Lake; Salmon Mountains, Marble Mountain Wilderness 1828 Comment
  CDA25541  Ribes marshallii T. C. Fuller 1958-6-18 1794 Siskiyou At summit of Siskiyou Mountains. 0 Comment
  JEPS24795  Ribes nevadense Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6804 Siskiyou headwaters Sacramento River (Shore of Castle Lake); Castle Lake, Sacramento River 1661 Comment
  RSA0022719  Ribes nevadense var. glaucescens Roxana S. Ferris, Laura Lorraine 1948-6-12 11802 Siskiyou At Mule Creek crossing on Scott Mountain Road south of Callahan. 1494 Comment
  UC1483506  Ribes roezlii J. Sawyer and J. Cole 1980-7-21 3813 Siskiyou n and w Little Mt. Hoffman; Klamath National Forest, Medicine Lake Quad. 1981 Comment
  UC75474  Ribes roezlii Milo S. Baker 1896-8-1 133 Siskiyou Payne's Springs 1981 Comment
  CAS-BOT-BC199986  Ribes roezlii var. cruentum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53390 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones 1249 Comment
  CDA25573  Ribes roezlii var. cruentum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2610 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  JEPS8478  Ribes sanguineum Rimo Bacigalupi with J. P. Tracy, L. Constance, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-16 3455 Siskiyou about 1.5 mi below and se of saddle at summit Takilma-Happy Camp road Comment
  UC375360  Ribes sanguineum Geo. D. Butler 1910-5-1 1265 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC144511  Ribes sanguineum var. sanguineum A. M. Vollmer; L. Beane 1951-6-2 79 Siskiyou Happy Camp, Klamath River Highway Comment
  CAS-BOT-BC144518  Ribes sanguineum var. sanguineum Philip A. Munz 1952-7-2 17893 Siskiyou rd. to Baldy Mt., n.w. of Happy Camp, Siskiyou Mts. 1524 Comment
  HSC65652  Ribes velutinum J. P. Smith, J. O. Sawyer 1972-5-7 5287 Siskiyou 2.3 mi. W of Lava Beds National Monument, on road to Mtn. Dome. 1220 Comment
  JEPS43488  Ribes velutinum W. L. Jepson 1940-6-23 19986 Siskiyou e Grenada and Mayten (e side of Little Shasta Valley); Little Shasta Valley 883 Comment
  CAS-BOT-BC168805  Ribes viscosissimum L. E. Smith 1913-1-1 s.n. Siskiyou Mt. Shasta Comment
  HSC61943  Ribes viscosissimum Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  HSC61945  Ribes viscosissimum Al Hobart 1968-6-13 Siskiyou Poker Flat 1768 Comment
  UCR37539  Rorippa curvisiliqua var. orientalis L. P. Janeway 1983-8-27 620 Siskiyou Along Poker Flat / Twin Valley trail 1677 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
  JEPS117460  Rorippa nasturtium-aquaticum Lowell Ahart, John Dittes 2010-7-30 16960 Siskiyou About 50 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  UC1871393  Rosa Barbara Ertter 2006-7-30 18749 b Siskiyou just N of Yreka on Rt 263, below roadbed in partial shade of isolated tree. 762 Comment
  POM277827  Rosa brownii H. E. Brown 1897-6-1 349 Siskiyou Near Mt. Shasta. 1829 Comment
  POM257520  Rosa eglanteria Carl B. Wolf 1930-10-23 1760 Siskiyou Along the Klamath River, 1 miles above Happy Camp. 183 Comment
  CAS-BOT-BC146758  Rosa gymnocarpa Doris K. Kildale 1929-5-31 9126 Siskiyou Cecilville, south fork of Salmon River Comment
  HSC29497  Rosa gymnocarpa Frederick W. Oettinger 1969-9-4 1640 Siskiyou NW side of Hancock Lake 1951 Comment
  RSA50227  Rosa gymnocarpa E. K. Balls 1949-7-9 13934 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. 1006 Comment
  UC454967  Rosa gymnocarpa I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1828 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
  UC922632  Rosa gymnocarpa Annie M. Alexander and Louise Kellogg 1948-9-7 5593 Siskiyou on road between first and second forks to Lookouts Siskiyou Mts., Black Bear Summit Comment
  CAS-BOT-BC147061  Rosa pisocarpa Edward Lee 1934-8-15 1123 Siskiyou Summit of Happy Camp to Waldo (Oregon) road, Indian Creek watershed, Klamath National Forest 1615 Comment
  CAS-BOT-BC147068  Rosa pisocarpa Alice Eastwood 1923-5-29 11997 Siskiyou Cantara Comment
  UC725330  Rosa pisocarpa A. A. Heller 1915-7-18 12112 Siskiyou Metcalf's ranch Mt. Eddy (ne base of mt.) 1188 Comment
  JEPS45695  Rosa pisocarpa subsp. pisocarpa W. L. Jepson July 1894 13894 Siskiyou Sisson Comment
  UC454962  Rosa pisocarpa subsp. pisocarpa I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake Comment
  CAS-BOT-BC147140  Rubus glaucifolius Louis C. Wheeler 1934-8-31 3233 Siskiyou Bear Creek off West Fork Beaver Creek, Siskiyou Mts. 1767 Comment
  HSC96406  Rubus lasiococcus Gordon Leppig, J. Kalt 1996-7-9 363 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  UC1736458  Rubus lasiococcus Dean W. Taylor 1972-7-3 1651 Siskiyou Cook & Green Pass 1371 Comment
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May 5 2013
  RSA126292  Rubus leucodermis I. L. Wiggins 1955-7-22 13456 Siskiyou South Fork of Salmon River, 9.5 miles above Cecilville. 1067 Comment
  HSC27679  Rubus ursinus Carl W. Mize 1972-6-8 37 Siskiyou By Wooley Creek in rocks and sand 335 Comment
  RSA237971  Rumex acetosella Frederick W. Oettinger 1967-8-13 259 Siskiyou Just below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  UCD92349  Rytidosperma penicillatum Howard B. Shontz 1940-8-15 s.n. Siskiyou Yreka. Comment
  HSC92643  Sagina saginoides Jennifer Whipple 1977-8-6 2204 Siskiyou Klamath Mtns., SW of Dobkins Lake along drainage into the lake. 2073 Comment
  RSA577798  Sagittaria cuneata L. C. Wheeler 1935-7-20 3669 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 Comment
  CAS-BOT-BC103371  Salix bonplandiana Gordon H. True 1968-8-6 4580 Siskiyou On Yreka-Ashland Highway at Shasta River bridge, ca. 5 miles north of Yreka Comment
  UC1409267  Salix eastwoodiae Frederick W. Oettinger 1968-8-2 364 Siskiyou e outlet of Diamond Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2072 Comment
  UC5224  Salix eastwoodiae Harley P. Chandler June, 1901 1547 Siskiyou ridges and meadows near Marble Mt.; North Coast Ranges 1828 Comment
  SBBG58916  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1931-6-22 477 Siskiyou Pit River, at Gibson flag station, 125 km N of Red Bluff 450 Comment
  CAS-BOT-BC107781  Salix hindsiana Mrs. H. P. Bracelin 1931-6-22 477 Siskiyou Pit River at Gibson flat station, 125 km. north of Red Bluff 450 Comment
  CAS-BOT-BC107788  Salix hindsiana Doris K. Kildale 1928-7-25 5867 Siskiyou Between Gottsville & Brown's Resort on Klamath River Comment
  RSA0034685  Salix lasiandra H. P. Bracelin 1931-6-21 473 Siskiyou North base of Mount Eddy, about 13 km. northwest of Shasta City. About 1.3 km. east of Burney Mill. 1110 Comment
  UC437298  Salix lasiandra subsp. lasiandra Annie M. Alexander and Louise Kellogg 1911-6-24 186 Siskiyou Jackson Lake 1798 Comment
  UC449838  Salix lasiandra subsp. lasiandra L. S. Smith 1931-6-1 20 Siskiyou near Mt. Shasta Mt. Shasta 1066 Comment
  CAS-BOT-BC125461  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 411 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City; above Metcalf ranch house 1425 Comment
  CAS-BOT-BC125475  Salix lasiandra var. lasiandra A. A. Heller 1905-6-15 8032 Siskiyou Sisson Comment
  CAS-BOT-BC107060  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 415 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1455 Comment
  POM219894  Salix lasiolepis H. P. Bracelin 1931-6-19 420 Siskiyou NE side of Mt Eddy. About 16 km NW of Shasta City. 1515 Comment
  UC375226  Salix lasiolepis Geo. D. Butler 1909-3-14 1080 Siskiyou near Yreka (e end Lamb and Sheldon P.M.); Butler's Ranch Comment
  CAS-BOT-BC124536  Salix lasiolepis var. lasiolepis A. A. Heller 1915-7-18 12131 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC124546  Salix lasiolepis var. lasiolepis Doris K. Kildale 1928-7-1 5322 Siskiyou Forks of Salmon - Salmon River Comment
  CAS-BOT-BC124901  Salix lemmonii W. R. Dudley 1899-8-8 s.n. Siskiyou Near Big Spring - Sisson Comment
  CAS-BOT-BC125696  Salix melanopsis Alice Eastwood 1921-7-25 10829 Siskiyou Bigelows, McCloud River Comment
  HSC19449  Salix scouleriana J. O. Sawyer 1969-8-4 1814 Siskiyou Above Sugar Lake 2134 Comment
  RSA238031  Salix scouleriana Frederick W. Oettinger 1968-9-8 784 Siskiyou E shore of English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness. 1738 Comment
  SD878  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou East side of Mount Eddy, about 17 km northwest of Shasta City, above stream in Wagon Creek Canyon, about 1 km up from Metcalf Ranch House 1170 Comment
  UC449842  Salix scouleriana L. S. Smith 1931-6-1 15 Siskiyou near Mt. Shasta Mt. Shasta 1066 Comment
  JEPS84287  Salix sitchensis L. R. Heckard with S. D'Alcamo, J. Hickman, and W. Roderick 1986-7-16 6396 Siskiyou ca. 5.5 mi n Seiad Valley town (se of Red Butte, Lily Pad Lake); Lily Pad Lake 1740 Comment
  CAS-BOT-BC175655  Salsola tragus Wm. Bridge Cooke 1941-9-5 16257 Siskiyou Along the Memorial Highway, Mt. Shasta Comment
  RSA477605  Sambucus microbotrys Chadwick, Mrs Chadwick 1911-07 1931 Siskiyou Shasta Springs. Comment
  HSC674  Sambucus racemosa var. melanocarpa William J. Ferlatte 1967-7-26 747 Siskiyou Caribou Basin, ridge W of Big Caribou Lake. 2134 Comment
  HSC65102  Sambucus racemosa var. racemosa J. P. Smith, Steve Selva 1970-6-16 4066 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  CDA26417  Sanguisorba annua G. D. Barbe, T. C. Fuller 1972-6-14 946 Siskiyou North of Weed, ca. 1 mile north of US 97 on Hoy Road. 0 Comment
  HSC76751  Sanicula graveolens K. T. Stillman 1976-7-15 252 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  UC1619914  Sanicula graveolens Barbara Ertter 1990-7-14 9331 Siskiyou ca. 4 airmiles w. Mt. Shasta City (Wagon Creek on e. side of Mt. Eddy, s. side of creek); Mt. Eddy, Wagon Creek 1889 Comment
  HSC77242  Sanicula graveolens L. P. Janeway 1983-7-17 424 Siskiyou Poker Flat, E edge of upper portion of meadow 1524 Comment
  UCR28722  Saponaria officinalis John C. Roos 1948-9-2 4019 Siskiyou Hills just north of Shasta City. Comment
  HSC68018  Saponaria officinalis J. P. Smith, Steve Selva 1970-7-16 4404 Siskiyou 1 mi. E of O'Neill Campground 579 Comment
  UC1190142  Saxifraga ferruginea Ira L. Wiggins 1955-7-27 13548 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  UC530059  Saxifraga ferruginea Louis C. Wheeler 1934-8-15 3147 Siskiyou Johnson Dairy; Siskiyou Mountains, Johnson Dairy 1706 Comment
  POM354568  Saxifraga nidifica Christopher Davidson 1975-6-5 2691 Siskiyou 0.1 ENE on unnamed dirt rd. departing to E off Hwy 3 at Scott Mtn summit. 1677 Comment
  RSA237684  Saxifraga nidifica Frederick W. Oettinger 1969-7-9 940 Siskiyou NW of Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1921 Comment
  JEPS47637  Saxifraga oregana Harley P. Chandler June, 1901 1548 Siskiyou Klamath River to Marble Mountain; North Coast Ranges, Klamath River 1828 Comment
  POM298393  Saxifraga tolmiei Lester Rowntree 1939-7-31 s.n. Siskiyou Caribou Lake. Comment
  CAS-BOT-BC283651  Schedonorus pratensis W. B. C. 1938-9-17 11694 Siskiyou Horse Camp, Mount Shasta Comment
  POM211514  Scirpus congdonii L. C. Wheeler 1934-8-14 3126 Siskiyou North side White Mountain; Siskiyou Mountains. Mt. Diablo Mer. 1767 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
  CAS-BOT-BC111092  Scirpus microcarpus Louis C. Wheeler 1934-9-22 3300 Siskiyou Klamath Forest, Walker. 518 Comment
  CAS-BOT-BC111102  Scirpus microcarpus Elmer Ivan Applegate 1895-5-28 764 Siskiyou Wet meadow in Sisson, Strawberry Valley Comment
  RSA138223  Scrophularia californica Percy C. Everett, E. K. Balls 1959-10-23 23939 Siskiyou 4 mi SW from Etna, on rd from Callaban to Somesbar, Salmon Mtns. 1677 Comment
  HSC68478  Scutellaria antirrhinoides Maralyn A. Renner 1980-6-8 812 Siskiyou Slopes N of Moffett Creek 945 Comment
  SBBG30534  Scutellaria antirrhinoides D. Myrick 1968-6-24 2002 Siskiyou Mountain Meadow Ranch, Big Flat, Coffee Crk, Trinity Alps 1524 Comment
  HSC36812  Secale cereale J. P. Smith 1974-5-27 7622 Siskiyou Along FS Rd. 47N03 1280 Comment
  CHSC118113  Sedum kiersteadiae Mary Ellen Colberg 2011-8-7 2 Siskiyou Mount Eddy: ridgeline. 2133 Comment
  UC571146  Sedum lanceolatum Dorothy Tebbe 1929-6-7 130 Siskiyou rocky hillside at Crater Lake (Mount Eddy); , Crater Lake Comment
  CAS-BOT-BC61459  Sedum lanceolatum K. T. Stillman 1976-6-25 106 Siskiyou Scott Bar quad. Marble Mountain Wilderness Area. 2072 Comment
  HSC76641  Sedum lanceolatum var. lanceolatum K. T. Stillman 1976-6-25 106 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  UC1736760  Sedum laxum subsp. flavidum Dean W. Taylor 1996-6-28 15756 B Siskiyou Antelope Mountain (about 8 air miles south of Yreka) 1798 Comment
  CHSC118116  Sedum moranense Nick Otting; Dick Brainerd 2014-7-6 3832 Siskiyou Klamath Mountains, Lake Mountain, hairpin of foresst road just below peak, 7 air miles west of Scott Bar. UTM zone 10 489704E 4621479N WGS84. 2034 Comment
  HSC50569  Sedum obtusatum subsp. retusum G. L. Clifton, Griswold 1979-7-26 10145 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2105 Comment
  UCR246356  Sedum obtusatum subsp. retusum Peter F. Zika 2011-7-19 25647 Siskiyou Klamath Range (KR), near Pacific Crest Trail, 1 air mile WNW of Copper Butte, Siskiyou Mountains 1610 Comment
  CAS-BOT-BC64649  Sedum oregonense John Thomas Howell 1939-8-3 14955 Siskiyou Spirit Lake, Marble Mts. Comment
  CAS-BOT-BC63901  Sedum spathulifolium Alice Eastwood 1923-5-20 11859 Siskiyou Shasta Springs Comment
  RSA0035470  Sedum spathulifolium Peter F. Zika 2011-7-19 25646 Siskiyou Forest Service Road 1055, 7.7 road miles above junction with Road 1050, 2.5 air miles SSE of Windy Peak, Siskiyou Mountains, Klamath Range. 1510 Comment
  HSC29492  Selaginella scopulorum Frederick W. Oettinger 1968-8-5 401 Siskiyou Marble Mtn. Wilderness Area, between English Peak and Diamond Lake, 2073 Comment
  CDA8621  Senecio hydrophilus David Van Baren 2007-8-27 PDR# 1278072 Siskiyou Butte Valley Wildlife Area; Pond 8A-Z. Comment
  CHSC96023  Senecio integerrimus var. exaltatus L. P. Janeway 2006-7-4 8797 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  RSA0125031  Senecio integerrimus var. exaltatus Philip A. Munz 1952-7-2 17882 Siskiyou Road to Baldy Mt. northwest of Happy Camp. 1494 Comment
  RSA0125066  Senecio integerrimus var. ochroleucus Marion Ownbey, Ruth P. Ownbey 1938-7-19 1756 Siskiyou Summit of Siskiyou Mts., 2.5 miles northwest of Dry Lake Lookout. Comment
  CAS-BOT-BC364451  Senecio triangularis Marion Ownbey; Ruth P. Ownbey 1938-7-20 1759 Siskiyou 1 mile northwest of Dry Lake Lookout, summit of the Siskiyou Mts. Comment
  HSC61999  Senecio triangularis Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  HSC62000  Senecio triangularis Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  HSC68411  Senecio triangularis Maralyn A. Renner 1980-7-4 1410 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  UC75811  Senecio triangularis Milo S. Baker 1899-7-31 Siskiyou on Ash Creek (e slope Mt. Shasta); e slope of Mt. Shasta Comment
  UC832150  Senecio triangularis John Thomas Howell 1939-8-7 15135 Siskiyou Sky High Valley , Sky High Valley (Marble Mts.) 1828 Comment
  HSC29092  Senecio triangularis Frederick W. Oettinger 1968-8-1 343 Siskiyou Marble Mtn. Wilderness Area, S of Hancock Lake 2043 Comment
  SEINET3876323 Image available Sequoia sempervirens Alv Dan Youngberg 1964-7-25 89 Siskiyou Found growing at the Happy Camp Ranger Station, Humbolt Meridian.; 0 Comment
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Feb 21 2015
  JEPS68544  Setaria viridis Geo. D. Butler 1909-10-10 1091 Siskiyou Yreka, <Doonyard> Comment
  SEINET10918409  Shepherdia canadensis Karen M. Meyer, Andrew Townesmith 2007-7-31 Meyer 175 Siskiyou Shasta-Trinity National Forest. 5.4 mi. on NF Rd. 17, off US Hwy. 97. 1294 Comment
  UC61159  Sidalcea malviflora subsp. asprella W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson Mount Shasta, Sisson Comment
  SD62050  Sidalcea malviflora subsp. asprella DarleyF. Howe 1965-8-8 4126 Siskiyou Saddle, south of Little Gray Back. 1402 Comment
  HSC81547  Sidalcea malviflora subsp. nana Thomas W. Nelson, Jane Nelson 1980-7-21 6163 Siskiyou Along Forest Service Rd. 40N08, .6 mi. from junction with State Rte. 3 1646 Comment
  HSC76675  Sidalcea oregana subsp. spicata K. T. Stillman 1976-7-21 280 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  HSC76758  Sidalcea oregana subsp. spicata K. T. Stillman 1976-7-14 239 Siskiyou Marble Mtn. Wilderness Area Comment
  JEPS67261  Sidalcea oregana subsp. spicata Geo. D. Butler 1909-6-22 905 Siskiyou Goosenest Mt. Comment
  JEPS67268  Sidalcea oregana subsp. spicata Willis L. Jepson July 1896 14064 Siskiyou near Sisson (Upper Sacramento); , near Sisson Comment
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Sep 26 2006
  HSC30805  Sidalcea oregana subsp. spicata Melinda F. Denton 1973-6-30 2926 Siskiyou Klamath National Forest, Young's Valley, 5 mi. S of Sanger Lake at base of El Capitan 1409 Comment
  HSC29623  Silene campanulata subsp. glandulosa Frederick W. Oettinger 1968-8-16 543 Siskiyou Marble Mtn. Wilderness Area, N of Red Hill near outlet of Hancock Lake 1997 Comment
  SBBG30596  Silene douglasii var. douglasii D. Myrick 1968-6-29 2059 Siskiyou Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  HSC92645  Silene douglasii var. douglasii Jennifer Whipple 1977-8-6 2206 Siskiyou Dobkins Lake, just below outlet of lake 2058 Comment
  CAS-BOT-BC388969  Silene grayi K. T. Stillman 1976-8-7 173 Siskiyou Marble Mountain Wilderness Area 2072 Comment
  HSC23547  Silene grayi J. O. Sawyer 1969-8-4 1861 Siskiyou Slope SW of Sugar Lake 2195 Comment
  HSC69517  Silene grayi John Palmer 1980-7-24 660 Siskiyou Dillon Divide 1707 Comment
  RSA233662  Silene grayi R. F. Thorne, Frederick W. Oettinger 1969-8-10 39001 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  CAS-BOT-BC388942  Silene grayi Mary Ann Showers 1980-8-28 2051 Siskiyou Along trail between old ski area and Panther Meadows on Mt. Shasta 2316 Comment
  HSC606  Silene grayi William J. Ferlatte 1967-7-26 753 Siskiyou Caribou Basin, N slope on Sawtooth Ridge 2287 Comment
  RSA145075  Silene grayi P. A. Munz 1960-8-22 24188 Siskiyou Panther Meadows, Mount Shasta. 2530 Comment
  CAS-BOT-BC389425  Silene lemmonii A. A. Heller 1920-6-27 13388 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC389528  Silene menziesii Geo. D. Butler 1910-6-1 1445 Siskiyou Yreka Creek Comment
  HSC27774  Sisymbrium altissimum J. P. Smith, J. O. Sawyer 1972-9-14 5798 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  UC144301  Smilax californica A. A. Heller 1905-6-5 7973 Siskiyou between Shasta Retreat and Shasta Springs Comment
  RSA624397  Smilax californica Louis C. Wheeler 1952-9-20 6948 Siskiyou Scott Valley: . . Comment
  RSA237939  Smilax jamesii Frederick W. Oettinger 1968-9-4 691 Siskiyou Outlet of Abbotts Lake. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  NY821076  Solanum parishii A. R. Kruckeberg 1972-6-10 6217 Siskiyou 3-4 mi. S. of Cook and Green Pass Comment
  RSA238029  Solanum umbelliferum Frederick W. Oettinger 1969-7-15 1033 Siskiyou Below the seepage along the trail from English to Diamond Lake. Comment
  RSA68903  Solanum umbelliferum A. E. Culbertson 1943-7-24 54 Siskiyou Castle Lake, 5434', in a N facing cirque with an abrupt 1000' backwall. 14 miles SW of Mt. Shasta on N side of a 6000' eastern spur of Trinity Mtns. 2000' above Sacramento River within 10 air miles of its headwaters to the W. Comment
  HSC26761  Solidago elongata J. P. Smith, J. O. Sawyer 1971-9-18 4811 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  UC727197  Solidago multiradiata A. A. Heller 1918-7-16 13029 Siskiyou Mt. Eddy 2682 Comment
  JEPS24618  Solidago velutina subsp. californica Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6771 Siskiyou in the 1 1/2 mi stretch between Shasta Retreat (at northern outskirts of Dunsmuir) to Mossbrae Falls and Shasta Springs; upper Sacramento River Canyon, along S. P. (Shasta Route) ra 731 Comment
  RSA170318  Sonchus arvensis subsp. uliginosus T. C. Fuller 1963-8-27 11162 Siskiyou S side of Dorris Tulelake Road where the roadbed forms the N shore of lower Klamath Lake, lower Klamath Lake Wildlife Refuge, 12 miles W of Hatfield. Comment
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Jul 7 2011
  CAS-BOT-BC157321  Sorbus californica Wm. Bridge Cooke 1938-7-22 11341 Siskiyou Sisson Southern Trail spring Comment
  HSC77002  Sorbus californica K. T. Stillman 1976-6-25 86 Siskiyou Marble Mtn. Wilderness Area, N side of Elk Valley. 1799 Comment
  RSA300519  Sorbus californica John Dourley, Walter Wisura 1982-10-16 3876 Siskiyou Castle Lake. SW of the town of Mt. Shasta. 1646 Comment
  RSA238578  Sparganium angustifolium Frederick W. Oettinger 1969-8-22 1507 Siskiyou Along the northwest shoreline of Horse Range Lake; the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area; Salmon Mountains. 1829 Comment
  HSC29386  Spiraea douglasii Frederick W. Oettinger, R. F. Thorne 1969-8-5 1213 Siskiyou Marble Mtn. Wilderness Area, Young's Cabin on English Lake trail towards Abbotts 1463 Comment
  UC375390  Spiraea douglasii Geo. D. Butler 1908-8-2 284 Siskiyou Log Lake; Shackleford Creek Comment
  HSC58946  Spiraea splendens var. splendens Marvin Butler 1971-7-27 214 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  HSC81747  Spiraea splendens var. splendens Thomas W. Nelson, Jane P. Nelson 1980-7-20 6187 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  HSC551  Spiranthes romanzoffiana William J. Ferlatte 1966-8-17 391 Siskiyou Trinity Alps: Caribou Basin 1982 Comment
  POM168196  Spiranthes romanzoffiana E. B. Copeland 1903-8-17 3927 Siskiyou Dietz Spur. 1159 Comment
  CHSC62565  Stachys ajugoides var. rigida L. P. Janeway 1993-8-30 4570 Siskiyou Along Gumboot Creek just below Gumboot Lake. 1844 Comment
  RSA447393  Stachys rigida subsp. rivularis M. B. Dunkle 1945-8-2 9273 Siskiyou Paradise Lake, Klamath National Forest, Marble Mts. Comment
  CAS-BOT-BC202882  Staphylea bolanderi C. H. M. 1919-11-10 s.n. Siskiyou Baird, McCloud River Comment
  CHSC97382  Stellaria longipes var. longipes Jenny Marr 2006-6-18 233 Siskiyou Cascade Range High. Plants collected along Hwy. 97. West side of road. 1524 Comment
  RSA264968  Stenanthium occidentale G. L. Clifton 1975-7-29 6042 Siskiyou Near Copper Butte 1329 Comment
  CAS-BOT-BC516468  Stenanthium occidentale Gilbert Muth 1966-7-19 427 Siskiyou Marble Gap Trail, along 1st bluff, Marble Mts. 1828 Comment
  UCD136235  Stephanomeria paniculata L. D. Gottlieb 1966-7-24 6679 Siskiyou Shasta Ski Bowl Road, near 1.25 mile post, Mt. Shasta. 1219 Comment
  SEINET10610738  Stipa occidentalis A. Arthur Heller 1916-6-22 Heller 11427 Siskiyou Open places in the yellow pine belt in coarse sandy soil near Black Butte north of Sisson, elevation about 3700 feet. 1097 Comment
  HSC92555  Stipa occidentalis var. occidentalis Jennifer Whipple 1976-7-13 1461 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River 2256 Comment
  HSC102712  Stipa thurberiana J. P. Smith 2013-6-17 13745 Siskiyou Cinder Pit Road, 0.6 miles from its junction with County Road A12. 1123 Comment
  CAS-BOT-BC61130  Streptanthus barbatus M. S. Baker s.n. Siskiyou Sacramento River near Sisson. Comment
  CAS-BOT-BC87873  Streptanthus tortuosus C. L. Hitchcock; J. P. Martin 1939-7-7 5281 Siskiyou On side of Sanger Peak. 1645 Comment
  CAS-BOT-BC87874  Streptanthus tortuosus Donald Myrick 1961-6-20 273 Siskiyou Near Mount Shasta City. 1066 Comment
  HSC40419  Streptanthus tortuosus J. O. Sawyer 1973-7-15 2537 Siskiyou On Wooley Creek Trail between Deer Lick and Gates Creek 366 Comment
  UC162647  Streptanthus tortuosus var. orbiculatus Harley P. Chandler June 1901 1636 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 2133 Comment
  UC61647  Streptanthus tortuosus var. orbiculatus Geo. B. Grant September 1902 5121 Siskiyou Horse Camp Mt. Shasta 2438 Comment
  HSC35793  Streptopus amplexifolius J. O. Sawyer 1969-7-18 1420 Siskiyou Head of S Russian Creek 1829 Comment
  HSC61982  Streptopus amplexifolius Al Hobart 25 Sep [year missing] Siskiyou Preston Peak 1677 Comment
  JEPS25647  Streptopus amplexifolius var. americanus Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7287 Siskiyou Poker Flat 1536 Comment
  JEPS44096  Swertia albicaulis var. albicaulis W. B. and V. G. Cooke 1965-7-12 35174 Siskiyou Bolam Road Mt. Shasta Comment
  JEPS46346  Swertia radiata Geo. D. Butler 1908-8-4 417 Siskiyou Head of Shackelford Creek 1676 Comment
  CAS-BOT-BC269619  Symphoricarpos albus var. laevigatus Carl B. Wolf 1930-10-22 1753 Siskiyou 1 mile west of Mt. Shasta City 1066 Comment
  CAS-BOT-BC269623  Symphoricarpos albus var. laevigatus Alice Eastwood 1917-9-2 6702 Siskiyou Shasta Springs Comment
  CAS-BOT-BC234779  Symphoricarpos mollis John Thomas Howell 1939-8-2 14947 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC234794  Symphoricarpos mollis Alice Eastwood 1917-9-2 6672 Siskiyou Shasta Springs Comment
  LA204589  Symphoricarpos mollis Wm. Bridge Cooke; 1938-7-29 11383 Siskiyou Mount Shasta, near Howard Comment
  CAS-BOT-BC234789  Symphoricarpos mollis Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  JEPS40846  Symphyotrichum bracteolatum Geo. D. Butler 1908-8-11 291 Siskiyou Shackleford Creek Comment
  UC165279  Symphyotrichum bracteolatum Geo. D. Butler 1908-8-12 292 Siskiyou near Oro Fino Comment
  JEPS24798  Symphyotrichum spathulatum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6807 Siskiyou near outlet of Castle Lake at its ne end Castle Lake, Sacramento River (headwaters of Sacramento River) 1661 Comment
  HSC72274  Symphyotrichum spathulatum var. spathulatum J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8969 Siskiyou Hwy 3, 2.5 mi. N of Siskiyou-Trinity County line Comment
  OBI55463  Symphyotrichum spathulatum var. yosemitanum David J. Keil, Kathleen Keil 1992-7-21 23541 Siskiyou Klamath NF Se of Callahan. Forest Rd 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  CAS-BOT-BC99365  Symphyotrichum spathulatum var. yosemitanum W. R. Dudley 1901-8-25 s.n. Siskiyou Scott-Salmon Trail, Salmon Mts. Comment
  SEINET10861043  Taeniatherum caput-medusae Edwin B. Copel 1903-7-5 Copeland 3493 Siskiyou North slope of Round Mountain Comment
  UC226163  Tanacetum parthenium H. E. Brown Jun 15 1897-Jun 30 1897 482 Siskiyou n side Mt. Shasta 1524 Comment
  UC1408921  Taraxacum officinale Frederick W. Oettinger 1969-7-13 1010 Siskiyou s of Upper English Lake (high lake basins in the vicinity of English Peak, Marble Wilderness Area, w Siskiyou County); Salmon Mountians 1798 Comment
  CAS-BOT-BC81334  Taxus brevifolia Ira L. Wiggins 1955-7-24 13482 Siskiyou Diversion dam on China Creek 1158 Comment
  CAS-BOT-BC81345  Taxus brevifolia Alice Eastwood 1921-7-26 10857 Siskiyou Soda Creek Comment
  CAS-BOT-BC81349  Taxus brevifolia John Thomas Howell 1937-7-26 13563 Siskiyou Between Big Flat and Caribou Gulch Comment
  UC60897  Taxus brevifolia W. A. Setchell, C. C. Dobie 1902-7-22 Siskiyou The Bend Mount Shasta, McCloud River (McCloud River) Comment
  CAS-BOT-BC447415  Tellima grandiflora Alice Eastwood 1923-5-18 11847 Siskiyou Shasta Springs Comment
  CAS-BOT-BC447420  Tellima grandiflora Gilbert Muth 1966-7-19 429 Siskiyou Marble Gap Trail, along 1st bluff, Marble Mountains 1828 Comment
  CAS-BOT-BC399880  Thalictrum polycarpum G. Muth 1966-7-17 408 Siskiyou Marble Valley Comment
  CAS-BOT-BC88071  Thelypodium brachycarpum Dorothy Parker 1948-6-11 s.n. Siskiyou Yreka. Comment
  CAS-BOT-BC88077  Thelypodium brachycarpum Frank W. Peirson 1923-7-19 3736 Siskiyou Laird's Landing. Comment
  HSC90988  Thelypodium brachycarpum Jennifer Whipple 1976-7-1 1237 Siskiyou Near Durney Lake, W facing slope above lake 2073 Comment
  RSA530128  Thelypodium brachycarpum D. W. Taylor 1987-8-9 9289 Siskiyou Lower Klamath Nat l Wildlife Refuge, alon Hwy 161 (Oregon border) 8.3 miles W from Hwy 139. 1250 Comment
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Jun 7 2008
  CAS-BOT-BC88081  Thelypodium flexuosum Elmer I. Applegate 1935-6-2 9286 A Siskiyou Frenner's ranch, near north Boundary of Lava Beds National Monument. Comment
  RSA170315  Thinopyrum intermedium T. C. Fuller 1962-8-30 9498 Siskiyou 200 yards up Raggedass Gulch e. of beaver Creek, Siskiyou Mts., 5 miles n. of the Klamath River Comment
  CHSC71476  Thlaspi arvense Vernon H. Oswald; Lowell Ahart 1998-7-21 9322 Siskiyou Hwy. 97 between Weed and Macdoel at the west end of Grass Lake. Roadside. 1524 Comment
  JEPS105430  Thlaspi arvense Dean W. Taylor 1995-6-4 14970 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. 10 miles North of Weed) 1158 Comment
  UC165981  Thlaspi montanum var. montanum Geo. D. Butler 1908-6-27 119 Siskiyou Forest House Mountain Comment
  HSC36872  Thysanocarpus curvipes J. P. Smith 1974-5-25 7517 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  HSC101486  Tiarella trifoliata var. unifoliata J. P. Smith, J. O. Sawyer 2011-7-21 13035 Siskiyou Near Dillon Camp 1358 Comment
  HSC62274  Tiarella trifoliata var. unifoliata Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. 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
  CAS-BOT-BC447625  Tolmiea menziesii Ira L. Wiggins 1955-7-23 13475 Siskiyou Banks of China Creek 1097 Comment
  UC164323  Tonella tenella Geo. D. Butler 1910-4-17 1193 Siskiyou near Yreka Comment
  RSA47984  Tonella tenella Roxana S. Ferris, Laura Lorraine 1948-6-12 11779 Siskiyou Small tributary of Etna Creek below Mill Creek Bridge. 1067 Comment
  CAS-BOT-BC377156  Tragopogon porrifolius Alice Eastwood 1912-7-21 1294 Siskiyou Sisson Comment
  HSC82355  Triantha occidentalis subsp. occidentalis Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4522 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  CAS-BOT-BC519571  Triantha occidentalis subsp. occidentalis Doris K. Kildale 1929-8-25 9020 Siskiyou Near Youngs Valley, on trail to Preston peak 1524 Comment
  CHSC71487  Trichostema oblongum Vernon H. Oswald; Lowell Ahart 1998-7-21 9358 Siskiyou Northeast of Weed, east of Grass Lake, and west of Bray on Old State Highway 0.8 mi east of Tennant Rd. 1417 Comment
  UC618635  Trientalis latifolia W. Bridge Cooke 1938-6-17 11050 Siskiyou Mount Shasta, Sisson Southern Trail Sisson Southern Trail; Mount Shasta, Sisson Southern Trail 1371 Comment
  RSA237925  Trifolium cyathiferum Frederick W. Oettinger 1969-8-18 1425 Siskiyou Northeast of Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UCD143686  Trifolium cyathiferum R. Tofsrud 1948-8-1 s.n. Siskiyou Poker Flat; between Happy Camp and O'Brien, Oregon. Comment
  RSA293201  Trifolium dubium J. P. Smith 1973-5-5 6544 Siskiyou Scott Bar along the Scott River. Comment
  UCD107926  Trifolium eriocephalum subsp. eriocephalum A. H. Murphy 1958-8-4 58 -E Siskiyou Klamath National Forest. Little Elk Lake Marble Mts. 1676 Comment
  UC375413  Trifolium eriocephalum var. eriocephalum Geo. D. Butler 1909-6-13 978 Siskiyou Moffit Creek Comment
  UC555455  Trifolium eriocephalum var. eriocephalum H. L. Mason 1931-5-9 5868 Siskiyou 5 mi n Yreka Comment
  UC163821  Trifolium eriocephalum var. eriocephalum Geo. D. Butler 1910-6-6 Siskiyou Inez Valley Comment
  CHSC113789  Trifolium fragiferum R. E. Brainerd 2010-8-6 1733 Siskiyou Weed. Alley west of Shasta Avenue and S.Davis Avenue. UTM Zone 10 552177E 4586525N. 1091 Comment
  HSC77108  Trifolium howellii K. T. Stillman 1976-7-31 355 Siskiyou Marble Mountain Wilderness Area, Ridge N of Jump off, 1/2 mi. S of Paradise Lake Comment
  UC922394  Trifolium howellii Annie M. Alexander and Louise Kellogg 1949-7-30 5904 Siskiyou Sky High Valley Marble Mtns 1767 Comment
  UC375415  Trifolium hybridum Geo. D. Butler 1908-7-2 382 Siskiyou near Yreka Comment
  RSA237891  Trifolium longipes subsp. elmeri Unspecified 1969-7-13 1005 Siskiyou Just North of Upper English Lake. 1951 Comment
  SEINET10577002 Image available Trifolium longipes subsp. shastense H. E. Brown 1897-6-1 Brown 365 Siskiyou Near Mt. Shasta. 1829 Comment
  JEPS33206  Trifolium longipes var. elmeri John Gill Lemmon 1889-6-28 Siskiyou Mt. Eddy Comment
  UC70388  Trifolium longipes var. hansenii Milo S. Baker 1898-8-1 491 Siskiyou Paynes Springs Comment
  UC630703  Trifolium wormskioldii A. A. Heller 1919-6-25 13285 Siskiyou Compton's Prairie se base of Mt. Eddy 1158 Comment
  UCD109931  Trifolium wormskioldii A. H. Murphy 1956-8-14 56 B Siskiyou Little Mill Creek Meadows. 2011 Comment
  SEINET3151091  Triglochin maritima G. D. Butler 1910-8-21 1846 Siskiyou Shasta Valley Comment
  UC1181807  Trillium chloropetalum Dorothy Parker 1950-4-22 405 Siskiyou Etna Creek Siskiyou Mts., Salmon Mts., Etna Creek 914 Comment
  HSC69282  Trillium ovatum Maralyn A. Renner 1980-7-24 1963 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  CAS-BOT-BC133469  Trillium ovatum Clarence R. Quick 1959-6-19 59 -17 Siskiyou 6.7 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  HSC783  Trillium ovatum subsp. oettingeri William J. Ferlatte 1966-6-22 102 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's. 1524 Comment
  RSA234822  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-16 1035 Siskiyou West bank of Abbott Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  HSC18985  Trisetum spicatum J. O. Sawyer 1969-7-24 1463 Siskiyou NW facing slope SW of Sugar lake. 1829 Comment
  HSC73336  Trisetum spicatum Gail Newton 1980-6-20 464 Siskiyou Near Bald Mtn. 1097 Comment
  JEPS89301  Trisetum spicatum Gilbert Muth 1966-8-3 492 Siskiyou Marble Valley; Marble Mountain Wilderness Area 1792 Comment
  RSA352885  Trisetum spicatum M. B. Dunkle 1945-1 9318 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  UC593508  Triteleia crocea E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1920 Siskiyou s highway from Yreka to Fort Jones (about 7 mi sw of Yreka); Forest House Mt. 415 Comment
  UC765405  Triteleia crocea var. modesta W. Bridge Cooke 1940-6-6 15076 Siskiyou in moist places along Castle Lake road Comment
  SEINET10472653  Triteleia grandiflora Mary Susan Taylor 1980-7-8 Taylor 3116 Siskiyou T39N R5W se sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on ridge S of Castle Lake, above Hearts Lake. 2017 Comment
  HSC67575  Typha latifolia J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5739 Siskiyou 2.6 mi. S of Sugar Creek on Parrott Mill Rd. 1341 Comment
  CHSC105281  Urtica dioica subsp. gracilis Lowell Ahart; John Dittes 2010-7-30 16961 Siskiyou On the south bank of the Shasta River, about 1 yard 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
  UC164159  Urtica dioica subsp. holosericea Geo. D. Butler 1910-6-30 1616 Siskiyou Yreka Creek Comment
  CHSC114196  Vaccinium cespitosum Loren Gehrung 1996-8-19 177 Siskiyou Russian Wilderness Area. Along Sugar Creek. 1676 Comment
  HSC19514  Vaccinium cespitosum J. O. Sawyer 1969-8-2 1697 Siskiyou Slopes W of Little Duck Lake 2226 Comment
  UC56728  Vaccinium deliciosum Harley P. Chandler Jun 1901 1617 Siskiyou near Marble Mountain; North Coast Ranges 2133 Comment
  CHSC88623  Vaccinium membranaceum Gail A. Newton 1981-8-1 2347 Siskiyou Klamath National Forest. On (very near) the Kelsey Trail. 1493 Comment
  HSC19359  Vaccinium membranaceum J. O. Sawyer 1968-9-9 655 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  HSC19370  Vaccinium membranaceum J. O. Sawyer 1968-7-22 255 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC19093  Vaccinium scoparium J. O. Sawyer 1969-8-5 1736 Siskiyou W of Little Duck Lake 2073 Comment
  HSC19095  Vaccinium scoparium J. O. Sawyer 1969-8-1 1656 Siskiyou Along trail to Little Duck Lake 1951 Comment
  HSC98191  Vaccinium scoparium J. O. Sawyer 1969-8-5 1786 Siskiyou Along Sugar Creek. 1921 Comment
  CDA6694  Valerianella locusta G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2585 Siskiyou Between Old Highway 99 and railroad at Truttman Lane, 3.2 km south of Grenada. Comment
  CHSC91238  Valerianella locusta Lowell Ahart; John Dittes 2005-6-10 12119 Siskiyou North side of the corral, end of Salvadori Road, Nelson Ranch, about 1 1/4 miles (air) south of Highway 99/97 cutoff, about 5 1/4 miles (air) east-southeast of Grenada. 785 Comment
  HSC48292  Vancouveria hexandra J. O. Sawyer, K. T. Stillman 1978-7-6 3293 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  HSC27716  Vancouveria planipetala Carl W. Mize 1972-6-8 18 Siskiyou Along main trail