Search Results — 2000 specimen records retrieved (1385 records with coordinates)
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC1409510  Abies Frederick W. Oettinger 1969-8-25 1547 Siskiyou Tom Taylor Cabin Salmon Mountains, Marble Mountain Wilderness Area (w Siskiyou Co., high lake basins in vicinity of English Peak) 2048 Comment
  HSC4976  Abies X shastensis J. O. Sawyer 1968-9-13 715 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  RSA237341  Abies X shastensis Frederick W. Oettinger 1968-9-8 788 Siskiyou The E side of English Lake on granitic cliff; Salmon Mountains. High Lake basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1784 Comment
  HSC4979  Abies amabilis J. O. Sawyer 1968-7-22 525 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  RSA237338  Abies concolor Frederick W. Oettinger 1969-8-5 1194 Siskiyou Above Willow Springs along the trail from Abbots Upper Cabin to English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  SFV12341  Abies concolor J. Major, R. H. Pemble, M. D. Fleschner 1966-9-6 Siskiyou Marble Mountains Marble Mountains, Beside trail from Lovers Camp to Marble Valley Guard Station. 1372 Comment
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Feb 15 2013
  HSC31508  Abies lasiocarpa Steve Selva, Roger Jensen 1974-8-25 52 Siskiyou W end of Little Duck Lake Comment
  HSC4983  Abies lasiocarpa J. O. Sawyer 1968-7-9 430 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC5008  Abies lasiocarpa J. O. Sawyer 1968-10-8 754 Siskiyou W of Little Duck Lake 1936 Comment
  RSA226606  Abies lasiocarpa J. O. Sawyer 1969-7-3 1440 Siskiyou North of Russian Lake 2148 Comment
  HSC69242  Abies magnifica Maralyn A. Renner 1980-9-1 2701 Siskiyou S side of Devil's Punchbowl 1829 Comment
  HSC4978  Abies procera J. O. Sawyer 1968-9-11 693 Siskiyou Ridge S of Twin Valley 1524 Comment
  JEPS42680  Acer glabrum Geo. D. Butler 1909-7-2 908 Siskiyou Highland Mine Comment
  CAS-BOT-BC331049  Acer glabrum var. glabrum R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 s.n. Siskiyou Near Kidd Creek Comment
  UC166210  Acer glabrum var. glabrum Geo. D. Butler 1908-8-5 531 Siskiyou camp below Cold Spring (Woolly Creek); Woolly Creek Comment
  HSC67768  Acer glabrum var. torreyi John Palmer 1980-8-13 776 Siskiyou Klamath National Forest, Dead Cow Creek near F.S. Rd. 47N44 from Beaver Creek Rd. 1616 Comment
  RSA68864  Acer glabrum var. torreyi A. E. Culbertson 1943-6-23 92 Siskiyou Along east shore of Castle Lake, 14 miles southwest of Mt. Shasta, above Sacamento River within 10 miles of its headwaters to the west Comment
  CAS-BOT-BC332785  Acer macrophyllum Alice Eastwood 1917-9-2 6654 Siskiyou Shasta Springs Comment
  RSA47650  Acer macrophyllum Roxana S. Ferris, Laura Lorraine 1948-6-16 11778 Siskiyou About 5.5 miles from Etna on forks of Salmon Road Comment
  CAS-BOT-BC336936  Acer negundo var. californicum Geo. D. Butler 1910-6-30 1617 Siskiyou Yreka Creek Comment
  JEPS32000  Acer negundo var. californicum W. B. and V. G. Cooke with Bob Frenkel 1963-7-12 34324 Siskiyou Memorial Highway below McBride Springs (Mt. Shasta); , below McBride Springs Comment
  CAS-BOT-BC30437  Achillea millefolium A. A. Heller 1915-8-26 12241 Siskiyou Mt. Eddy 1828 Comment
  HSC92585  Achillea millefolium Jennifer Whipple 1978-10-6 2404 Siskiyou Primarily N facing slopes in the Eddy Creek drainage. 2317 Comment
  HSC96314  Achillea millefolium Gordon Leppig 1998-8-14 1029 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  HSC61187  Achillea millefolium Al Hobart Siskiyou El Capitan Comment
  RSA211508  Achillea millefolium William J. Ferlatte 1966-7-7 196 Siskiyou Caribou Basin. 1982 Comment
  RSA68926  Achillea millefolium A. E. Culbertson 1943-7-12 31 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall; 14 miles SW of Mt. Shasta on N side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  RSA616935  Achlys californica L. C. Wheeler 1959-7-25 7598 Siskiyou Marble Mountains: Camp Three, Rogers Creek Comment
  UCD50458  Achnatherum lemmonii J. R. Grisham 1965-5-19 s.n. Siskiyou C. H. Haley prop., Rt. 1, Box 131-A, Yreka, Siskiyou County. Comment
  UCD50460  Achnatherum lemmonii A. A. Beetle; with G. L. Stebbins Jr. 1942-5-31 3412 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  CAS-BOT-BC105079  Achnatherum lemmonii subsp. lemmonii R. C. Wenk 2008-7-24 934 Siskiyou Kangaroo Lake, S of the Gazelle-Callahan Rd. Top of ridge S of the lake 1981 Comment
  JEPS76055  Achnatherum occidentale subsp. californicum W. L. Jepson 1937-7-22 18453 Siskiyou Dunsmuir Comment
  RSA238977  Achnatherum occidentale subsp. californicum Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1156 Siskiyou Halfway Spring, trail from English Lake to Diamond Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC1265474  Achnatherum occidentale subsp. californicum Frederick W. Oettinger 1968-8-8 454 a Siskiyou Crapo Meadow near Tom Taylor Cabin (vicinity of English Peak Marble Mountain Wilderness Area); Salmon Mountains, High Lake Basin 2026 Comment
  UCD51050  Achnatherum occidentale subsp. californicum Elizabeth Wilson 1940-7-14 s.n. Siskiyou Shasta Springs. Comment
  RSA238984  Achnatherum occidentale subsp. occidentale Frederick W. Oettinger 1968-8-8 454 -b Siskiyou Crapo Meadow near Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  RSA484124  Achnatherum occidentale subsp. occidentale M. B. Dunkle 1945-1 9363 Siskiyou Klamath National Forest, Marble Mountains. 1982 Comment
  SBBG25819  Acmispon americanus D. Myrick 1966-8-8 1494 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  HSC43029  Acmispon nevadensis J. O. Sawyer, Ken Stillman 1976-7-2 2802 Siskiyou Slopes and ridges E of Little N Fork Trail. 732 Comment
  CDA24175  Aconitum columbianum Gordon Leppig 1998-8-13 1002 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, in cirque west of Little Duck Lake. Comment
  JEPS97191  Aconitum columbianum Julie Kierstead Nelson with Maria Ulloa-Cruz 1995-8-22 95045 Siskiyou 1 1/2 mi W of The Eddys (on Parks Creek Road (Rd. 17); W slope of Parks Creek drainage); Shasta-Trinity National Forests, Mt. Shasta Ranger District 1737 Comment
  JEPS123409  Aconitum columbianum subsp. viviparum Julie Kierstead Nelson with Robin Fallscheer 2015-8-13 2015 -134 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. Comment
  CHSC99992  Aconogonon davisiae L. P. Janeway 2008-7-26 9504 Siskiyou Klamath Ranges. Between Castle Crags, Trinity Mountains, and The Eddys; about 200 m west-southwest of Heart Lake and about 0.8 km south of Castle Lake. 1859 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
  UCD77946  Aconogonon davisiae Robert E. Preston 2001-6-23 1594 Siskiyou Klamath National Forest, n-facing ridge of Rainbow Mtn, T42N R1W sw 1/4 of nw 1/4 Section 23 2103 Comment
  CAS-BOT-BC418816  Aconogonon phytolaccifolium Doris K. Kildale 1928-8-18 6499 Siskiyou Near head of north fork of Salmon River at Finley's Upper Camp 1524 Comment
  CHSC91539  Aconogonon phytolaccifolium G. F. Hrusa 2001-6-6 15852 Siskiyou Siskiyou Mountains. Nr. summit of pass betw. Happy Camp CA and O'Brien, Oregon, at turnoff to Bolan Lake, at Oregon border. Roadside. UTM: 10T, 4649821 N, 0456023 E. 1424 Comment
  HSC24101  Aconogonon phytolaccifolium J. O. Sawyer 1971-7-15 2428 Siskiyou Along Red Rock Valley Creek 1585 Comment
  CAS-BOT-BC391703  Actaea rubra Gilbert Muth 1966-7-17 399 Siskiyou Trail to lookout, Marble Mts. 1798 Comment
  HSC30618  Adenocaulon bicolor Frederick W. Oettinger 1969-8-9 1317 Siskiyou Along main N Fork trail between 5 mile stock gate and Abbott's Upper Cabin, Salmon Mountains 1357 Comment
  CAS-BOT-BC68958  Adiantum aleuticum Lemmon 1881-7-1 s.n. Siskiyou Near Shasta Comment
  CHSC99693  Adiantum aleuticum L. P. Janeway 2008-7-23 9461 Siskiyou Klamath Ranges. Trinity Mountain/The Eddys; along Road 40N45 9.8 road km north-northwest of Road 26; at a small tributary creek to upper Little Picayune Creek. Next to flowing water along a small west-flowing creek. 1847 Comment
  HSC68309  Adiantum aleuticum Maralyn A. Renner 1980-7-4 1418 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  UC160809  Adiantum aleuticum Dr. E. B. Copeland 1903-9-6 3859 Siskiyou Mt Eddy 1463 Comment
  CDA1642  Aegilops cylindrica T. C. Fuller 1970-5-26 19582 Siskiyou Montague 0 Comment
  CDA1647  Aegilops cylindrica T. C. Fuller 1958-6-19 1611 Siskiyou RR siding, Montague. 0 Comment
  CAS-BOT-BC29445  Ageratina occidentalis John Thomas Howell 1939-8-8 15138 Siskiyou Between Sky High Valley and Marble Valley Comment
  SDSU6844  Ageratina occidentalis D. F. Howe 1964-8-6 3942 Siskiyou 3.5 miles south of Happy Camp on #96, Klamouth National Forest. 152 Comment
  SEINET6700676 Image available Ageratina occidentalis E. K. Balls 1949-7-10 13951 Siskiyou 1.5 miles from Finlay Camp on road from Etna to Sawyer's Bar 817 Comment
  POM208366  Agoseris grandiflora Louis C. Wheeler 1934-6-11 2683 Siskiyou North Hungry Creek , Siskiyou Mtns. (Mt Diablo Mer) 1311 Comment
  CAS-BOT-BC15379  Agoseris grandiflora var. grandiflora Louis C. Wheeler 1934-6-11 2683 Siskiyou North Hungry Creek, Siskiyou Mountains 1310 Comment
  UC585113  Agoseris grandiflora var. grandiflora E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1940 Siskiyou about 8 mi s of Yreka 822 Comment
  OBI53728  Agoseris grandiflora var. leptophylla David J. Keil 1992-7-20 23469 Siskiyou W side of Scott Valley, 4.9 mi N of Etna along Calif Rte 3 875 Comment
  HSC67864  Agoseris heterophylla J. P. Smith 1976-5-5 8671 Siskiyou Road from Etna to Sawyer's Bar. 732 Comment
  RSA48237  Agoseris heterophylla Roxana S. Ferris, Laura Lorraine 1948-6-12 11837 Siskiyou Gazelle Mtn grade, road betw Callahan and Gazelle. 1500 Comment
  CAS-BOT-BC13470  Agoseris retrorsa J. T. Howell 1939-8-9 15248 Siskiyou Shackleford Creek Trail, Marble Mountains Comment
  CAS-BOT-BC13474  Agoseris retrorsa George Dexter Butler 1910-5-15 1347 Siskiyou Greenhorn Mountain 1066 Comment
  UC204765  Agrostis alba Geo. D. Butler 1910-7-17 1727 Siskiyou creek bank Oro Fino Comment
  CAS-BOT-BC126998  Agrostis exarata John Thomas Howell 1939-8-10 15250 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  UCD52354  Agrostis exarata L. Whitney 1935-7-15 s.n. Siskiyou near Bulls-eye Lake. Comment
  CAS-BOT-BC139138  Agrostis oregonensis Alice Eastwood 1921-7-25 10834 Siskiyou Bigelows McCloud River. Comment
  HSC30537  Agrostis pallens Frederick W. Oettinger 1969-8-19 1456 Siskiyou Marble Mtn. Wilderness Area, S of big bare area between King David's and Abbot's Basin 1905 Comment
  RSA697272  Agrostis pallens D. W. Taylor 1996-7-7 15810 Siskiyou Salmon Mountains; Ruffey Lakes (about 8 air miles southwest of Etna) in cirque above the upper lake; Klamath National Forest 2073 Comment
  RSA126057  Agrostis scabra I. L. Wiggins 1955-7-22 13448 Siskiyou South Fork of Salmon River, 9.5 miles above Cecilville. 1067 Comment
  UCD53363  Agrostis scabra A. H. Murphy 1956-8-16 56 X Siskiyou Tangle Blue Lake, Klamath National Forest. 1767 Comment
  POM206868  Agrostis stolonifera Edward Palmer 1892-1 2659 Siskiyou near Mt. Shasta Comment
  UCD53705  Agrostis variabilis Robert E. Preston 2001-7-20 1680 Siskiyou Klamath National Forest, norht slope of Rainbow Mountain, n of Hemlock Lake. 1700 Comment
  SEINET10790426  Agrostis variabilis A. Arthur Heller 1922-7-15 Heller 13697 Siskiyou Damp ground, margin of the small lake at Medicine Lake. Canadian. 2134 Comment
  HSC41360  Aira caryophyllea J. P. Smith 1976-5-5 8685 Siskiyou Road between Sawyers Bar and Somes Bar 488 Comment
  HSC65376  Aira caryophyllea J. P. Smith 1973-5-5 6550 Siskiyou Scott Bar along Scott River Comment
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Jan 31 2012
  RSA166656  Allium acuminatum A. I. Richardson 1961-6-8 14 Siskiyou Near Cedar Lake, N of Mt. Shasta. 854 Comment
  CAS-BOT-BC461069  Allium anceps M. S. Taylor; J. Prouty 1980-6-25 2965 Siskiyou Grizzly Peak and ridge west of peak, 5 miles due east of Lake McCloud, Big Bend Quad., 1889 Comment
  UC1560907  Allium bolanderi Hannah C. Aase 1940-7-6 Siskiyou 2.5 mi w Hilt Comment
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Jun 18 2011
  HSC82287  Allium falcifolium Thomas W. Nelson, Jane P. Nelson 1979-6-15 4810 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  SEINET196192  Allium falcifolium R. S. Ferris, L Lorraine 1948-6-12 11840 Siskiyou Gazelle Mtn grade rd between Callahan and Gazelle 1500 Comment
  UC1076030  Allium falcifolium Herbert L. Mason 1947-5-17 14764 Siskiyou on Scott Mountain road 5 mi s Callahan Comment
  CAS-BOT-BC469241  Allium falcifolium Roxana S. Ferris; Laura Lorraine 1948-6-12 11840 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle 1499 Comment
  RSA367095  Allium falcifolium Christopher Davidson 1975-6-5 2695 Siskiyou 0.5 miles ENE on unnamed dirt road departing to east off highway 3 at Scott Mtn. summit. 1677 Comment
  UC1731157  Allium lemmonii Dean Wm. Taylor with Glenn Clifton 1991-6-12 11901 Siskiyou Adobe Flat, ca. 4 miles N of Timbered Crater 1106 Comment
  CAS-BOT-BC516177  Allium siskiyouense Dana York 2011-8-13 3068 Siskiyou Marble Mountain Wilderness: Klamath National Forest, 230 m WSW of Black Marble Mountain 2220 Comment
  JEPS81882  Allium siskiyouense Roger Raiche 1982-7-7 20562 Siskiyou Alex Hole 1950 Comment
  HSC61854  Allium validum Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  UCD141861  Allium validum Doug Barbe 1959-7-11 540 Siskiyou north of Gumboot Lake, west of city of Shasta and south of Mt. Eddy. 1767 Comment
  CAS-BOT-BC478027  Allium validum Wm. Bridge Cooke 1938-7-15 11253 Siskiyou Wagon camp. Common along the creeks leading from the Wagon Camp springs. Also in the Heather Meadows at Panther and Squaw Creeks. 1737 Comment
  UC1409505  Allotropa virgata F. W. Oettinger 1973-8-23 1515 Siskiyou Chimney Rock and Smith Lake, Salmon Mountains 1417 Comment
  CHSC30107  Alnus incana subsp. tenuifolia M. S. Taylor 1980-6-4 2787 Siskiyou Cedar Lake, lake edge, ca. 11 mi sw of Mt. Shasta City. 1737 Comment
  JEPS123400  Alnus incana subsp. tenuifolia Julie Kierstead Nelson with Don Lepley, Rhonda Posey 2015-8-13 2015 -131 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. Comment
  SEINET205137  Alnus incana subsp. tenuifolia J. M. Tucker 1963-8-17 3739 Siskiyou Marble Mtn WA ; In vicinity of cabin lower Red Rock Valley 1494 Comment
  UCD109994  Alnus incana subsp. tenuifolia J. M. Tucker 1963-8-17 3739 Siskiyou In vicinity of cabin, lower Red Rock Valley, Marble Mountain Wilderness Area. 1493 Comment
  CAS-BOT-BC169640  Alnus rhombifolia Lewis S. Rose 1945-6-22 45182 Siskiyou Beaver Creek & Klamath River 548 Comment
  HSC36721  Alnus rhombifolia Brent Whitely 1975-7-5 140 Siskiyou 213 Comment
  UCD14406  Alopecurus pratensis Sheryl Gill 1996-9-3 s.n. Siskiyou At the Tule Lake National Wildlife Refuge - 'Frey's Island' Sites D, E, and F; in the south-east part of the refuge in southern sump; 'Captain Jack's Stronghold' GS map quad. 1229 Comment
Read comments
Jun 24 2009
  JEPS125961  Alyssum alyssoides D. W. Taylor 1997-6-11 16044 Siskiyou Headwaters of Moffett Creek, Scott river drainage, at head of Sissel Gulch Comment
  JEPS94898  Alyssum alyssoides Vernon H. Oswald and Lowell Ahart 1998-6-11 9178 Siskiyou ne of Weed (Shasta National Forest plantation on the w side of Highway 97 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest plantation 1066 Comment
  UC1777717  Alyssum desertorum J. Di Tomaso 2002-5-17 Siskiyou 8 mi NE of Montague (York Rd, 3 m E of intersection with Mulloy Rd) Comment
  RSA245268  Amaranthus blitoides J. P. Smith, J. Sawyer 1972-9-14 5797 Siskiyou Miners Creek Road just south of French Creek Road between Callahan and Etna 915 Comment
  CHSC63593  Ambrosia artemisiifolia Vernon H. Oswald; Lowell Ahart 1994-8-10 6448 Siskiyou Pilgrim Creek Rd. (FS13) at the railroad crossing 0.9 mi N of Hwy. 89, ca. 3 mi (air) ENE of McCloud. 1048 Comment
  RSA59502  Amelanchier pallida E. K. Balls 1950-5-16 14712 Siskiyou By turn off to Caldwell Caves, Lava Beds National Monument. 1463 Comment
  RSA453149  Amelanchier pallida Bonnie C. Templeton 1960-6-21 8545 Siskiyou Edge of cienega, Scott Mts Comment
  UC164120  Amsinckia menziesii var. menziesii Geo. D. Butler 1910-5-3 1269 Siskiyou Yreka Comment
  CAS-BOT-BC45204  Anaphalis margaritacea John H. Thomas; H. A. Thomas 1954-7-23 4465 Siskiyou Salmon-Trinity Mtns about 6 miles SE of Cecilville. Vicinity of Blind Horse Creek. 1036 Comment
  RSA238884  Anaphalis margaritacea Frederick W. Oettinger 1969-8-15 1382 Siskiyou North of Upper English lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1776 Comment
  RSA501140  Anaphalis margaritacea E. K. Balls 1949-7-10 13968 Siskiyou 5 miles from Somes Bar on way to Forks of Salmon 213 Comment
  RSA60646  Anaphalis margaritacea Rodney Gregg 1948-7-30 s.n. Siskiyou South Fork of Scott River above Callahan 1220 Comment
  JEPS83039  Androsace filiformis Linda M. Barker 1980-6-29 1982 Siskiyou Parker Camp Meadow Klamath National Forest 1767 Comment
  CHSC95106  Anemone deltoidea L. P. Janeway 2006-7-2 8735 Siskiyou Klamath Ranges. Salmon Mountains; east side of Trail Gulch (Creek) about 100 m south of its mouth at South Fork Salmon River (and Carter Meadow). Shady flat bench above the creek. 1585 Comment
  CHSC95118  Anemone deltoidea L. P. Janeway 2006-7-2 8745 Siskiyou Klamath Ranges. Salmon Mountains; un-named creek at the sharp bend in the Music Creek Trailhead Road, 0.6 km south of Music Creek. North-facing slope just above the creek. 1762 Comment
  HSC43  Anemone deltoidea William J. Ferlatte 1966-6-22 89 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's. 1524 Comment
  HSC44  Anemone drummondii William J. Ferlatte 1966-8-4 317 Siskiyou Above Yellow Rose Mine 2134 Comment
  CAS-BOT-BC391976  Anemone occidentalis G. J. Muth 1969-8-7 1227 Siskiyou Boulder Peak Ridge Comment
  UC618888  Anemone occidentalis W. Bridge Cooke 1938-7-21 11601 Siskiyou s.w. slopes Red Butte; Mt. Shasta, Red Butte Comment
  UCD95483  Anemone occidentalis Dean Wm. Taylor 1975-8-14 5451 Siskiyou Mt. Shasta. Between Shasta Ski area and Green Butte. 2590 Comment
  CHSC65230  Anemone oregana V. Parker 1993-7-8 21 -10 Siskiyou Shasta-Trinity National Forests. McCloud Ranger District. Alongside small tributary to Trout Creek, off forest road 42N40B. 1706 Comment
  HSC419  Angelica tomentosa William J. Ferlatte 1966-8-3 244 Siskiyou Big Flat 1524 Comment
  JEPS120189  Angelica tomentosa Julie Kierstead Nelson 2011-8-23 2011 -42 Siskiyou Eastern Klamath Mountains, The Eddys. North side of Fawn Creek, 2 miles NE of Gumboot Lake Comment
  RSA416678  Antennaria argentea M. B. Dunkle 1944-7-7 9089 Siskiyou Deer Creek. 1768 Comment
  CAS-BOT-BC59157  Antennaria dimorpha Roxana S. Ferris; Laura Lorraine 1948-6-12 11830 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle 1499 Comment
  UC891587  Antennaria geyeri Alice Eastwood 1912-7-15 1061 Siskiyou McCloud Comment
  HSC68582  Antennaria howellii Maralyn A. Renner 1980-6-24 1069 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  JEPS84310  Antennaria media L. R. Heckard with J. Hickman et al. 1986-7-17 6534 Siskiyou along road end area and camp overlooking s end Alex Hole; Condrey Mt. 1980 Comment
  CAS-BOT-BC79904  Antennaria microphylla Douglas Barbe 1955-8-1 327 Siskiyou Summit of Mt. Bolivar, Scott Mts. 2468 Comment
  RSA273381  Antennaria racemosa J. P. Smith, J. O. Sawyer 1972-7-3 s.n. Siskiyou Ridge east of Cook and Green Pass 1524 Comment
  CAS-BOT-BC102271  Anthemis cotula R. E. Frenkel 1964-10-2 874 Siskiyou On south-west side of Everitt Memorial Highway 1524 Comment
  JEPS23768  Antirrhinum vexillocalyculatum subsp. breweri Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6821 Siskiyou 7 mi e Callahan 1127 Comment
  JEPS95664  Antirrhinum vexillocalyculatum subsp. breweri Vernon H. Oswald and L. Ahart 1999-7-5 9801 Siskiyou Gazelle-Callahan Hwy. 9.0 mi west of Gazelle: T42N R7W Sect. 26, 3000 ft, mixed hardwood-coniferous forest 914 Comment
  UC909318  Antirrhinum vexillocalyculatum subsp. breweri Rodney Gregg 1948-8-20 Siskiyou near Sniktaw Creek (along road at Quartz Valley); Quartz Valley 914 Comment
  POM43386  Antirrhinum vexillocalyculatum subsp. breweri Geo. D. Butler 1908-8-30 2 Siskiyou Fort Jones. Comment
  UC902212  Antirrhinum vexillocalyculatum subsp. breweri Joseph P. Tracy 1949-9-14 18551 Siskiyou 5 mi w Cecilville (along South Fork of Salmon River) 670 Comment
  CHSC71338  Apera interrupta Vernon H. Oswald; Mike Dolan, Beth Corbin 1998-6-27 9243 Siskiyou Big Tableland at the southwest edge of the Lower Klamath National Wildlife Refuge. 1353 Comment
  UC164099  Apocynum androsaemifolium Geo. D. Butler 1908-7-5 75 Siskiyou dry land near Yreka Comment
  RSA127723  Apocynum androsaemifolium subsp. pumilum H. A. Thomas, John Thomas 1954-7-25 4519 Siskiyou Salmon Trinity Mts, Vicinity of Rush Lake and Rush Creek Meadow, 9 miles E of Cecilville. 1829 Comment
  RSA211337  Apocynum androsaemifolium subsp. pumilum William J. Ferlatte 1966-8-18 408 Siskiyou Wooded area 3 miles S of Big Flat. 1585 Comment
  CAS-BOT-BC407125  Aquilegia formosa A. A. Heller 1916-7-20 12472 Siskiyou Near Wagon Creek Falls, E side of Mt. Eddy 1524 Comment
  UC1034609  Aquilegia formosa Douglas Barbe 1955-6-29 34 Siskiyou 1.8 mi e Callahan (south bank of Scott River); Klamath Mountains 975 Comment
  CAS-BOT-BC395149  Aquilegia formosa G. B. Grant 1902-9-15 22500 Siskiyou Shasta Springs, N Cal Comment
  HSC36732  Aquilegia formosa var. formosa Brent Whitely 1975-7-1 114 Siskiyou 671 Comment
  HSC28661  Aquilegia formosa var. truncata Frederick W. Oettinger 1968-8-6 422 Siskiyou Marble Mtn. Wilderness Area, SE corner of Hancock Lake 1905 Comment
  HSC6553  Arabis breweri Lincoln Constance, R. C. Rollins 1942-5-13 2910 Siskiyou Scott River, 2 mi. NW of Scott Bar 488 Comment
  HSC69740  Arabis breweri var. breweri Maralyn A. Renner 1980-6-26 1277 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  HSC6547  Arabis divaricarpa Dorothy Parker 1949-5-28 305 Siskiyou Kidder Creek, Salmon Mtns. Range 915 Comment
  HSC90568  Arabis divaricarpa Jennifer Whipple 1977-8-6 2241 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  RSA0126137  Arabis divaricarpa var. interposita Geo. D. Butler 1910-6-5 1547 Siskiyou Log Lake, Shackleford Creek. Comment
  UC1190238  Arabis glabra Ira L. Wiggins 1955-7-22 13446 Siskiyou 9.5 mi above Cecilville; South Fork of Salmon River 1066 Comment
  UC618764  Arabis glabra Reed Rollins 1938-7-15 11200 Siskiyou Bear Springs, meadow between Bear Springs creeks Mount Shasta 1524 Comment
  UC855411  Arabis glabra A. A. Heller 1916-6-23 12437 Siskiyou n of Sisson (near Black Butte) 1127 Comment
  RSA0125752  Arabis glabra C. B. Wolf 1934-7-6 6004 Siskiyou 4.7 miles from Mt. Shasta City on Wagon Camp Road, SW slope of Mt. Shasta Comment
  UC1034582  Arabis glabra Douglas Barbe 1955-7-4 94 Siskiyou 9 mi s Etna (at junction of Parrot Mill Rd and French Creek Rd) 944 Comment
  HSC39239  Arabis holboellii var. retrofracta J. P. Smith 1976-5-21 8764 Siskiyou Klamath National Forest, FS Rd. 40N08, 6.9 mi. from its junction with Hwy. 3 1524 Comment
  HSC77070  Arabis holboellii var. retrofracta K. T. Stillman 1976-6-26 110 Siskiyou Marble Mountain Wilderness Area 2073 Comment
  SEINET3899871  Arabis holboellii var. retrofracta Dorothy Parker 1951-5-10 510 Siskiyou Kidder Creek, Scott Valley.; 0 914 Comment
  HSC22439  Arabis holboellii var. retrofracta J. O. Sawyer 1969-7-1 998 Siskiyou SE facing slope above Paynes Lake Creek 1921 Comment
  HSC69496  Arabis holboellii var. retrofracta J. O. Sawyer, J. Cole 1980-7-19 3695 Siskiyou Near FS Rd. 45N0 2018 Comment
  RSA78819  Arabis holboellii var. retrofracta P. A. Munz 1952-7-2 17897 Siskiyou Baldy Mountain ca. 6 miles west (by air) of Happy Camp. 1738 Comment
  HSC92694  Arabis modesta D. L. Goforth 1980-4-26 499 Siskiyou Klamath River at McKinney Creek 537 Comment
  UC673130  Arabis modesta Lincoln Constance and Reed C. Rollins 1942-5-13 2915 Siskiyou 10 mi sw Scott Bar; Klamath-Siskiyou Region, Scott River 609 Comment
  RSA0128945  Arabis modesta Lincoln Constance, Reed C. Rollins 1942-5-13 2907 Siskiyou Klamath-Siskiyou Region: Klamath River 4 miles east of Seiad. 457 Comment
  RSA211449  Arabis platysperma var. howellii William J. Ferlatte 1966-7-6 185 Siskiyou Caribou Mtn. 2470 Comment
  RSA237353  Arabis rigidissima var. rigidissima Frederick W. Oettinger 1969-9-4 1636 Siskiyou West face of Peak just east of Hancock Lake. Salmon Mountains. High Lake Basins in the Vicinity of English Peak. Marble Mountain Wilderness Area. 1999 Comment
  HSC46181  Arabis subpinnatifida Jennifer Whipple 1977-4-30 1881 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  UC165757  Arabis subpinnatifida Geo. D. Butler 1910-4-16 1181 Siskiyou hills near Yreka Comment
  HSC29159  Arabis suffrutescens var. horizontalis Frederick W. Oettinger 1969-7-15 1026 Siskiyou Marble Mtn. Wilderness Area, between Diamond Lake and Upper English Lake 2012 Comment
  HSC81575  Arabis suffrutescens var. suffrutescens Thomas W. Nelson, Jane P. Nelson 1980-7-17 6094 Siskiyou Along FS Rd. 17, 0.5 mi. N of summit at county line 2073 Comment
  UC164309  Aralia californica Geo. D. Butler 1908-8-24 457 Siskiyou Russian Creek, Eldredge's Corral Comment
  HSC27900  Arbutus menziesii Carl W. Mize 1972-9-23 120 Siskiyou Along Steinacher Creek Rd. above moist draw 610 Comment
  POM354175  Arceuthobium abietinum Louis C. Wheeler 1934-8-10 3102 Siskiyou Dead Cow Creek, Siskiyou Mtns. (Mt Diablo Mer.) 1890 Comment
  SEINET2471292  Arceuthobium abietinum subsp. wiensii R. L. Mathiasen 2007-9-16 2007 -45 Siskiyou Ca. 18 km W. of Indian Creek on forest road 17N11 1340 Comment
  JEPS84178  Arceuthobium campylopodum L. R. Heckard with J. Hickman et al. 1986-7-17 6489 Siskiyou ca 9 mi n Hwy 96 (Walker) (Oak Knoll Ranger Station rd to Condrey Mt.) 1480 Comment
  UC1078807  Arceuthobium campylopodum Job Kuijt 1957-5-31 1277 Siskiyou ca 3 mi above West Branch Guard Station and Campground (on rd from Happy Camp to Caves Junction, Oregon) 914 Comment
  UC1409472  Arceuthobium campylopodum Frederick W. Oettinger 1968-9-5 712 Siskiyou between Diamond and Hancock Lakes Salmon Mountains, Marble Mountain Wilderness Area, English P 2011 Comment
  UC618794  Arceuthobium campylopodum W. B. C. 1938-9-2 11593 Siskiyou Sisson Southern Trail Mount Shasta 1371 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
  SEINET2140110  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2007-1 2007 -50 Siskiyou 38.7 km N. of St. Rte. 96 on forest road 15N01 (near Rock Creek Butte). 1530 Comment
  CAS-BOT-BC39983  Arctostaphylos nevadensis Wayne Roderick; Martha Roderick 1979-7-11 s.n. Siskiyou Mumbo Basin 1737 Comment
  HSC69014  Arctostaphylos nevadensis Maralyn A. Renner 1980-7-24 2027 Siskiyou Lily Pad Lake 1768 Comment
  HSC742  Arctostaphylos nevadensis William J. Ferlatte 1967-7-8 669 Siskiyou Near Le Roy Mine 2073 Comment
  UC21874  Arctostaphylos nevadensis W. H. Brewer 1862-9-13 1381 Siskiyou Mount Shasta 1828 Comment
  SEINET11991010  Arctostaphylos nevadensis S. Edwards, Roderick, W. 1983-1 104 Siskiyou along trail between Cook & Green Pass & Lily Pad Lake 1676 Comment
  CAS-BOT-BC46473  Arctostaphylos patula W. R. Dudley 1899-8-22 s.n. Siskiyou Toward foot of Craggy Mt. Comment
  JEPS38836  Arctostaphylos patula Geo. D. Butler 1909-5-30 586 Siskiyou Yreka Hills Comment
  OBI36634  Arctostaphylos patula David J. Keil 1983-7-3 17348 Siskiyou Slopes of Mt. Shasta along Memorial hwy Comment
  RSA47637  Arctostaphylos patula Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11771 Siskiyou About 6 miles from Etna on forks of Salmon Road. 1707 Comment
  RSA604050  Arctostaphylos patula L. C. Wheeler 1935-3-31 3413 Siskiyou Wintoon Butte, south base, near (W of) Mt. Shasta. 1189 Comment
  CAS-BOT-BC47097  Arctostaphylos viscida subsp. viscida Walter Knight; Irja Knight 1979-9-6 3424 Siskiyou Marble Rim below Lookout (north), Marble Mts. 2072 Comment
  JEPS81883  Arenaria congesta var. congesta Roger Raiche 1982-7-7 20567 Siskiyou Condrey Mt. 2164 Comment
  RSA115689  Aristida oligantha Beecher Crampton 1956-8-20 3798 Siskiyou Ditch along US Hwy. 99, 1/2 mile south of Dunsmuir. Comment
  SEINET3918846  Aristida oligantha Beecher Crampton 1956-8-20 3798 Siskiyou Siskiyou County, o.5 mile south Dunsmuir, along U.S. Highway 99.; 0 701 Comment
  UCD129117  Arnica chamissonis Malcolm A. Nobs; Calvin McMillan 1949-6-17 798 Siskiyou Grass Lake, Highway 97. Comment
  RSA505435  Arnica chamissonis subsp. foliosa Rimo Bacigalupi 1957-6-27 5974 Siskiyou Grass lake, on route between Weed and Klamath Falls, 20 miles northeast of Weed 1545 Comment
  HSC82255  Arnica cordifolia Thomas W. Nelson, Jane P. Nelson 1980-7-20 6178 Siskiyou Hillside above Big Carmen Lake 1738 Comment
  HSC92328  Arnica cordifolia Jennifer Whipple 1976-7-9 1403 Siskiyou N facing slopes in Mt. Eddy region on Deadfall Mtn. 2226 Comment
  CHSC110956  Arnica dealbata B. Castro; L. P. Janeway 2007-7-29 1667 Siskiyou High Cascade Range. Medicine Lake Highlands; about 0.5 mi W of Medicine Lake, 0.3 mi W on USFS Rd43N48 from its jcn with Rd 43N47 (which is the road to Schonchin Spring). 2075 Comment
  JEPS125847  Arnica dealbata Dean W. Taylor 1996-7-7 15749 Siskiyou Antelope Mountain, about 8 air miles S of Yreka Comment
  POM53677  Arnica discoidea E. B. Copeland 1903-8-17 3909 Siskiyou Mt. Eddy. 1311 Comment
  UC1041024  Arnica discoidea J. W. Congdon 1900-8-16 Siskiyou Castle Lake Road Comment
  HSC61886  Arnica latifolia Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC82758  Arnica mollis Wm. Bridge Cooke 1938-9-8 11652 Siskiyou Squaw Creek Meadow, along Squaw Creek from the middle meadow to the lower meadow 2286 Comment
  HSC92873  Arnica mollis Jennifer Whipple 1977-8-6 2235 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  RSA142694  Arnica mollis Philip A. Munz 1960-8-22 24174 Siskiyou Panther Meadows, Mt. Shasta 2287 Comment
  UC444336  Arnica viscosa W. L. Jepson and N. B. Greene 1894-1 45941 Siskiyou Mt. Shasta Comment
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Jan 18 2009
  CAS-BOT-BC90086  Arnica viscosa W. B. Cooke 1947-8-20 17828 Siskiyou slopes near the water supply spring above Horse Camp, Mt. Shasta 2514 Comment
  CAS-BOT-BC84977  Artemisia arbuscula subsp. arbuscula Louis C. Wheeler 1934-8-26 3226 Siskiyou Trapper Cr. - Klamath National Forest 1981 Comment
  CDA10152  Artemisia douglasiana T. C. Fuller 1962-8-3 9519 Siskiyou Siskiyou Mountains; Slope above Salt Gulch, Horse Creek. 0 Comment
  RSA126344  Artemisia douglasiana I. L. Wiggins 1955-7-26 13511 Siskiyou Banks of S Fork of Salmon R just above mouth of Blind Horse Creek 887 Comment
  CHSC71468  Artemisia ludoviciana subsp. incompta Vernon H. Oswald; Lowell Ahart 1998-7-21 9339 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-BC93709  Artemisia norvegica subsp. saxatilis Annetta Carter 1939-8-21 1471 Siskiyou Steep slope above southeast end of Taylor Lake, 12 miles southwest of Etna, Salmon Mountains 2194 Comment
  HSC35806  Artemisia norvegica subsp. saxatilis J. O. Sawyer 1969-8-18 1978 Siskiyou S of S Sugar Lake 2104 Comment
  SEINET229956  Artemisia tridentata subsp. vaseyana Leila M. Shultz, John S. Shultz 1985-6-23 8587 Siskiyou Lava Beds National Monument; Approximately 20 miles south of Tulelake; western extension of the Great Basin 1341 Comment
  JEPS83837  Asarum caudatum Wayne Roderick Aug 1975 Siskiyou Siskiyou Mts.: vicinity Cook and Green Pass 1463 Comment
  CAS-BOT-BC400691  Asarum hartwegii Ira L. Wiggins 1940-7-5 9480 Siskiyou 11 miles east of Sawyer's Bar on road to Etna 1011 Comment
  UC153505  Asarum hartwegii Milo S. Baker 98 Siskiyou Sisson Comment
  CDA39801  Asclepias cordifolia F. D. Horn 1977-5-22 s.n. Siskiyou North shore, Copco Lake, east of Hornbrook. 0 Comment
  SEINET6833745  Asclepias cordifolia G. D. Butler 1910-5-23 1396 Siskiyou Humbug Mountain 1219 Comment
  SEINET10890221  Asclepias fascicularis F. Marion Ownbey, Fred G. Meyer 1940-7-4 Ownbey 2170 Siskiyou Along Ditch Creek, near Hornbrook Comment
  SEINET7112709  Asclepias fascicularis G. D. Butler 1910-6-29 1613 Siskiyou Near Yreka Comment
  JEPS6285  Asclepias speciosa W. L. Jepson 1940-6-22 19971 Siskiyou Hornbrook 670 Comment
  RSA401106  Asclepias speciosa B. C. Templeton 1957-6-23 s.n. Siskiyou North of Callahan on Hwy. 3 Comment
  RSA331955  Aspidotis densa Dave Kelly, Walter Wisura 1985-7-31 4081 Siskiyou Near Kangaroo Lake, Scott Mountain, on granitic rocks near campgrounds Comment
  SEINET3868723  Aspidotis densa James P. Smith 1973-5-5 6492 Siskiyou Trail to the Siskiyou cypress stand off the Cook and Green Pass road.; 0 Comment
  UC722388  Aspidotis densa C. L. Hitchcock and J. S. Martin 1939-7-7 5283 a Siskiyou 1/2 mi below Sanger Peak Lookout 1524 Comment
  NY158754  Aster copelandii E. B. Copeland 1903-9-7 3867 Siskiyou Mt. Eddy 2743.2 Comment
  RSA293121  Aster occidentalis J. P. Smith, John Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8969 Siskiyou State Route 3, 2.5 miles north of Siskiyou-Trinity Co. line Comment
  RSA94040  Astragalus californicus R. C. Barneby 1954-5-16 11516 Siskiyou Klamath River canyon 1/2 miles below Hamburg. 457 Comment
  UC168740  Astragalus curvicarpus var. curvicarpus Katharine Brandegee July 1887 Siskiyou Ager Comment
  JEPS87067  Astragalus inversus Dean Wm. Taylor and Rexford E. Palmer 1988-6-23 9865 Siskiyou ca 1 mi se Adobe Flat (ca 4 mi n of Timbered Crater, Modoc Plateau); Fall River Mills Quad., Modoc Plateau, n of Timbered Crater 1097 Comment
  HSC76981  Astragalus purshii var. lectulus K. T. Stillman 1976-6-25 61 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  CAS-BOT-BC192967  Astragalus purshii var. purshii A. M. Vollmer; L. Beane 1951-5-31 27 Siskiyou Scott Mountain Comment
  UC164061  Astragalus purshii var. tinctus Geo. D. Butler 1909-5-8 708 Siskiyou dry hills near Yreka; near Yreka Comment
  UC54368  Astragalus purshii var. tinctus H. M. Hall and E. B. Babcock June, 1903 4083 Siskiyou Shasta Valley Sierra Nevada Mountains, Mount Shasta, Shasta Valley 1158 Comment
  RSA275306  Astragalus purshii var. tinctus Jennifer Whipple 1976-5-2 915 Siskiyou Scott Valley near Weston Gulch. Comment
  UC635309  Astragalus whitneyi Dorothy Tebbe 1929-7-1 77 Siskiyou Dobkins Lake , Dobkins Lake (Mount Eddy) Comment
  CAS-BOT-BC198705  Astragalus whitneyi var. siskiyouensis A. A. Heller 1916-7-22 12487 Siskiyou East side of Mt. Eddy Comment
  CHSC837  Astragalus whitneyi var. siskiyouensis V. Holt 1932-6-26 Siskiyou Mt. Eddy. 1219 Comment
  HSC81752  Astragalus whitneyi var. siskiyouensis Thomas W. Nelson, Jane P. Nelson 1980-7-20 6190 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  CAS-BOT-BC94462  Astragalus whitneyi var. siskiyouensis R. C. Wenk 2005-7-19 319 Siskiyou Along Pacific Crest Trail, 1-2 miles S of parking lot at top of pass on National Forest Road 17, going towards Mt. Eddy 2133 Comment
  HSC75134  Astragalus whitneyi var. siskiyouensis J. P. Smith, Thomas W. Nelson 1979-6-16 10135 Siskiyou Klamath National Forest, along Hwy. 3, 3.1 mi. from the Scott Mtn. summit. 1280 Comment
  RSA415402  Astragalus whitneyi var. siskiyouensis M. B. Dunkle 1944-7-18 9127 Siskiyou Siskiyou National Forest. 1890 Comment
  HSC27968  Asyneuma prenanthoides Carl W. Mize 1972-8-17 103 Siskiyou S of Gates Creek 488 Comment
  SEINET9630167 Image available Athyrium filix-femina var. californicum William Bridge Cooke 1940-8-2 15407 Siskiyou Flora of Mount Shasta; Wagon camp spring area 1737 Comment
  HSC36729  Athyrium filix-femina var. cyclosorum Brent Whiteley 1975-7-1 112 Siskiyou 671 Comment
  JEPS80575  Athyrium filix-femina var. cyclosorum Gilbert Muth 1965-8-3 Siskiyou Creek at Marble Valley; Marble Mt. Wilderness Area 1792 Comment
  CAS-BOT-BC17615  Athysanus pusillus George Dexter Butler 1910-3-27 1145 Siskiyou Near Yreka. Comment
  POM30828  Balsamorhiza deltoidea Geo. D. Butler 1910-4-16 1180 Siskiyou Klamath hills Comment
  CAS-BOT-BC100057  Balsamorhiza lanata Alice Eastwood; John Thomas Howell 1934-4-20 1754 Siskiyou Near Yreka on Ft. Jones Road Comment
  JEPS89306  Balsamorhiza lanata Dean W. Taylor 1997-6-12 16067 Siskiyou ca. 4 mi. w. Gazelle (hillslopes at base of Scott Mts. at mouth of Willow Creek, Shasta Valley); Klamath Region (eKR), China Mt. Quad., Shasta Valley 944 Comment
  HSC70596  Balsamorhiza sericea J. O. Sawyer, R. J. Cole 1981-7-2 4156 Siskiyou Near Scott Mountain Campground 1585 Comment
  HSC204  Barbarea orthoceras William J. Ferlatte 1967-6-30 591 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  RSA264995  Barbarea orthoceras Gilbert Muth 1975-7-30 9963 Siskiyou Near Lily Pad Lake near Seiad Valley. 1585 Comment
  HSC5006  Berberis aquifolium var. repens J. O. Sawyer 1968-9-9 647 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  JEPS47737  Berberis aquifolium var. repens W. L. Jepson 1907-7-19 2948 Siskiyou Indian Creek Siskiyou Mts Comment
  HSC69417  Berberis nervosa John Palmer 1980-8-12 731 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  OBI20531  Berberis nervosa H. E. McMinn 1932-6-27 2532 Siskiyou Serad Valley to Clear Crk, Klamath River Comment
  CAS-BOT-BC75918  Berberis piperiana Doris K. Kildale 1929-4-27 7500 Siskiyou Cecilville upper South Fork of Salmon River. Comment
  CAS-BOT-BC75923  Berberis piperiana Doris K. Kildale 1929-4-27 7844 Siskiyou Cecilville upper South Fork of Salmon River. Comment
  CAS-BOT-BC75946  Berberis piperiana Lewis S. Rose 1945-6-18 45082 Siskiyou Horse Creek and Klamath River. 502 Comment
  CAS-BOT-BC169479  Betula occidentalis Wm. Bridge Cooke 1940-7-12 15328 Siskiyou A small grove occurs in a swamp near the Mount Shasta High School 1097 Comment
  HSC43837  Betula occidentalis Maralyn O'Meara 1974-5-27 493 Siskiyou 7.4 mi. NE of Ft. Jones on Hwy. 3 Comment
  JEPS87871  Betula occidentalis Vernon H. Oswald and Lowell Ahart 1994-8-1 6443 Siskiyou junction of Forest Road 17 3.3 mi sw junction with Stewart Springs Rd (w of Weed) 1706 Comment
  CAS-BOT-BC102064  Bidens frondosa Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar Comment
  CAS-BOT-BC413073  Bistorta bistortoides Geo. D. Butler 1910-6-5 1477 Siskiyou Shackleford Creek Comment
  HSC19288  Bistorta bistortoides J. O. Sawyer 1969-8-4 1903 Siskiyou Above S Sugar Lake 2043 Comment
  HSC69182  Bistorta bistortoides Maralyn A. Renner 1980-8-31 2638 Siskiyou Twin Valley. 1494 Comment
  CHSC34101  Blepharipappus scaber J. D. Jokerst; M . D. Huffine 1981-9-8 1460 Siskiyou E of and adjacent to road. 1280 Comment
  CAS-BOT-BC15927  Boechera arcuata Reed Rollins 1938-6-17 11051 Siskiyou Mount Shasta. Sisson Southern Trail 1371 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-BC13814  Boechera howellii Vesta Holt 1943-8-13 M- 15 Siskiyou Marble Mountains. Comment
  CAS-BOT-BC14410  Boechera platysperma Lester Rowntree 1937-7-24 s.n. Siskiyou Caribou Lakes. Comment
  CAS-BOT-BC14414  Boechera platysperma G. B. Grant 1902-9-7 s.n. Siskiyou Mount Shasta. Horse Camp. 1219 Comment
  CAS-BOT-BC65366  Boechera platysperma R. C. Wenk 2008-7-23 906 Siskiyou SW side of Mount Shasta, below Panther Meadow. 2269 Comment
  JEPS53135  Boechera platysperma Willis L. Jepson 1894-8-4 59 b Siskiyou Horse Camp Mt. Shasta Comment
  CAS-BOT-BC25427  Boechera retrofracta K. T. Stillman 1976-8-7 181 Siskiyou Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC25431  Boechera retrofracta Reed Rollins 1940-6-6 15074 Siskiyou Near the outlet of Castle Lake. 1676 Comment
  CAS-BOT-BC25627  Boechera retrofracta Gilbert Muth 1966-7-8 370 Siskiyou Marble Mountains. Marble Valley. 1792 Comment
  JEPS53084  Boechera retrofracta Geo. D. Butler 1909-4-18 728 Siskiyou near Yreka Comment
  CAS-BOT-BC25929  Boechera suffrutescens John Thomas Howell 1937-7-24 13379 Siskiyou Salmon-Trinity Alps. Caribou Basin. 2286 Comment
  UC1618150  Botrychium multifidum J. C. Game 1996-6-23 96 /44 Siskiyou ca. 8 mi s Etna (just w of Forest Service Rd 41N14(High CCC Rd.), less than 2 mi nw of its junction with Tiger Creek Rd.); Etna Quadrangle 1280 Comment
  CAS-BOT-BC418454  Boykinia major Doris K. Kildale 1928-8-18 6497 Siskiyou Lead at North Fork of Salmon River at Finley's Upper Camp Comment
  RSA211105  Boykinia major William J. Ferlatte 1966-8-17 395 Siskiyou Caribou Basin; Trinity Alps 1982 Comment
  SJSU6077  Brickellia grandiflora R. W. Trivelpiece 1971-8-11 67 Siskiyou near Grass Lake, 4.5 mi N of Sheep Rock, eastern Siskiyou County 1905 Comment
  RSA96963  Brickellia greenei Percy C. Everett, E. K. Balls 1954-10-13 20277 Siskiyou Seiad Creek, road to Kangaroo Mountain, 7.2 miles NE from Hwy 96. 823 Comment
  SEINET10615085 Image available Brickellia greenei Edward L. Greene 1870-8-24 Greene 1012 Siskiyou At head of Scott River. Comment
  UCD57883  Bromus carinatus Alton 1953-7-28 KNF 5 Siskiyou Siskiyou-Trinity Co. line. Klamath N. F. Long Gulch Camp. 1889 Comment
  UC164918  Bromus carinatus var. carinatus Geo. D. Butler 1909-6-22 842 Siskiyou Goosenest Foothills Comment
  CAS-BOT-BC148796  Bromus carinatus var. marginatus John Thomas Howell 1939-8-2 14930 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  RSA582096  Bromus commutatus L. C. Wheeler 1934-6-22 2748 Siskiyou Siskiyou Mts., Cottonwood Creek. 915 Comment
  RSA126877  Bromus marginatus H. A. Jensen 1933-3-30 s.n. Siskiyou Signal Butte; Dunsmuir. 1341 Comment
  HSC778  Bromus orcuttianus William J. Ferlatte 1967-8-17 953 Siskiyou Yellow Rose Mine 1982 Comment
  CAS-BOT-BC185094  Bromus pumpellianus A. A. Heller 1905-6-1 7935 Siskiyou Along the Sacramento River near Shasta Retreat. Between Upper Soda Spring and Shasta Retreat. 3048 Comment
  CAS-BOT-BC185599  Bromus tectorum Alice Eastwood 1912-7-17 1126 Siskiyou McCloud. Comment
  CDA1858  Bromus tectorum T. C. Fuller 1962-6-11 8960 Siskiyou East side of Hwy 99 to Black Butte Summit, 4.1 miles south of Weed. 0 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
  NY664637  Bromus tectorum A. A. Heller 1905-6-9 8012 Siskiyou Montague Comment
  UC2026512  Bulbostylis capillaris Louis C. Wheeler 1958-8-24 7432 Siskiyou Shasta Lake. 1/4 mi. west of mouth of Cove Creek. Comment
  UC166058  Cacaliopsis nardosmia Geo. D. Butler 1909-5-30 760 Siskiyou Humbug Mountain Comment
  HSC23101  Calamagrostis breweri J. O. Sawyer 1969-8-5 1755 Siskiyou W of Little Duck Lake 2073 Comment
  HSC24220  Calamagrostis breweri J. O. Sawyer 1969-8-4 1803 Siskiyou Above Sugar Lake 2134 Comment
  HSC91982  Calamagrostis breweri Jennifer Whipple 1977-7-20 2006 Siskiyou N slopes of Mt. Eddy 2287 Comment
  HSC26483  Calamagrostis koelerioides J. P. Smith, Steve Selva 1970-7-15 4361 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  HSC30660  Calamagrostis koelerioides Frederick W. Oettinger 1969-9-3 1614 Siskiyou Marble Mtn. Wilderness Area, Shasta Ridge, N slope of English Peak 2073 Comment
  POM353039  Calamagrostis koelerioides M. B. Dunkle 1945-7-22 9239 Siskiyou Marble Mts., Klamath National Forest. Comment
  RSA245255  Calamagrostis koelerioides J. O. Sawyer 1969-8-4 1880 Siskiyou Southeast slope above Sugar Lake. 2165 Comment
  UC816583  Calamagrostis koelerioides John Thomas Howell 1937-7-25 13451 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  SEINET3924380  Calamagrostis koelerioides Jennifer J. Whipple 1976-9-3 1775 Siskiyou Weed quad. Scree slopes near Little Crater Lake.; 0 2195 Comment
  POM215868  Callitriche verna L. C. Wheeler 1935-6-13 3568 -1/2 Siskiyou Greenview, Scott Valley. 884 Comment
  CAS-BOT-BC85727  Calocedrus decurrens Doris K. Kildale 1929-8-24 9057 Siskiyou Rattlesnake Meadow, Preston Peak 1524 Comment
  CAS-BOT-BC85731  Calocedrus decurrens Doris K. Kildale 1929-5-11 7715 Siskiyou Cecilville, south fork of Salmon River Comment
  RSA369081  Calochortus coeruleus Christopher Davidson 1975-6-5 2679 Siskiyou 6 miles ESE of Callahan on Hwy 3 (= 4 miles SE of Scott River Bridge). 1349 Comment
  CAS-BOT-BC488616  Calochortus elegans var. nanus Ellsworth Bethal 1923-5-22 s.n. Siskiyou McCloud Comment
  CAS-BOT-BC488618  Calochortus elegans var. nanus Doris K. Kildale 1928-7-2 5348 Siskiyou Salmon Summit, near Horn Creek Trail 1981 Comment
  HSC581  Calochortus nudus William J. Ferlatte 1966-6-22 100 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  HSC81989  Calochortus nudus Thomas W. Nelson, Jane P. Nelson 1979-6-16 4867 Siskiyou Along SR 3, 2.2 mi. N of Scott Mtn. Summit 1341 Comment
  CAS-BOT-BC493094  Calochortus nudus Alice Eastwood 1921-7-24 10791 Siskiyou Castle Lake Comment
  CAS-BOT-BC132456  Calochortus persistens Frank Callahan 2007-6-18 s.n. Siskiyou Little Cottonwood Peak. Ca. 13 miles south of the Oregon State Line Comment
  UC454387  Calochortus tolmiei I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat; Mt. Bradley 1828 Comment
  UC165949  Caltha biflora Geo. D. Butler 1910-6-5 1509 Siskiyou Shackleford Creek. Comment
  CAS-BOT-BC273394  Calycadenia fremontii Doris K. Kildale 1925-9-6 1288 Siskiyou Somes Bar 274 Comment
  JEPS82454  Calypso bulbosa Gilbert Muth 1966-7-14 395 Siskiyou Trail to Black Mountain (Marble Mountain Wilderness Area); Marble Mountain Wilderness Area 1798 Comment
  RSA184809  Calypso bulbosa Gilbert Muth 1966-7-14 395 Siskiyou Trail to Black Mountain, Marble Mountains. Comment
  UC61082  Calyptridium monospermum W. A. Setchell, C. C. Dobie 1902-7-12 Siskiyou Sisson; Mount Shasta, Sisson Comment
  HSC64931  Calyptridium monospermum D. L. Goforth 1979-7-7 233 Siskiyou Klamath National Forest, near Deer Camp 1860 Comment
  UC852133  Calyptridium umbellatum John Thomas Howell 1939-8-2 14866 Siskiyou Spirit Lake; Marble Mountains, Spirit Lake 1828 Comment
  CAS-BOT-BC221257  Calystegia malacophylla subsp. malacophylla Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  RSA603170  Calystegia occidentalis subsp. occidentalis L. C. Wheeler 1935-6-9 3562 Siskiyou Yreka Creek. Siskiyou Mtns. (Mt Diablo Mer.) 1220 Comment
  JEPS61535  Camassia quamash subsp. quamash Geo. D. Butler 1909-6-22 890 Siskiyou Goosenest Mountain Comment
  CAS-BOT-BC37003  Camelina microcarpa A. A. Beetle; G. L. Stebbins, Jr. 1942-5-31 3409 Siskiyou Canyon north of Willow Creek, 5 miles west of Gazelle. Comment
  RSA453344  Camissonia tanacetifolia subsp. tanacetifolia E. Yale Dawson 1948-7-15 5098 Siskiyou Grass Lake, a drying vernal lake north of Mount Shasta 1524 Comment
  JEPS11747  Campanula prenanthoides Geo. D. Butler 1908-7-20 37 Siskiyou near Yreka; Head of Long Gulch Comment
  SEINET10462933  Campanula prenanthoides Clifton 1978-7-6 CLIFTON 1927 Siskiyou NR OFFIELD MTN, FORKS OF SALMON QUAD. NR SOMES BAR 2700', GANITE SOIL Comment
  SEINET10463103  Campanula prenanthoides Muth 1976-7-26 MUTH s.n. Siskiyou Near Kelley Lake, on the Preston Peak quadrangle, close to the town of Happy Camp 1371 Comment
  UC1190263  Campanula prenanthoides Ira L. Wiggins 1955-7-23 13463 Siskiyou ridge w China Creek (s side of river); S Fork of Salmon River 960 Comment
  SEINET10463095  Campanula prenanthoides Kelsey Kelsey s.n. Siskiyou Marble Mountains, Skyline Lake Comment
  SEINET10463106  Campanula prenanthoides Life 1923-8-6 LIFE s.n. Siskiyou Shasta Springs Comment
  SEINET10972404  Campanula prenanthoides Lathrop 1903-7-10 LATHROP s.n. Siskiyou Shasta Retreat Comment
  RSA697273  Campanula rotundifolia D. W. Taylor 1996-7-11 15780 Siskiyou Klamath Mountains. Scott Mountians; West Fork Parts Creek (about 15 air miles west of Weed and 1 air miles West of Stewart Springs) Shasta- Trinity National Forest; 1329 Comment
  UC803881  Campanula rotundifolia G. L. Stebbins Jr. with P. Dansereau, C. McMillan, and K. Narayan 1949-8-9 4022 Siskiyou Along Park's Creek, above Stewart Springs, 10 miles w of Weed. 1219 Comment
  POM148010  Campanula rotundifolia J. B. Feudge 1927-7-22 1776 Siskiyou Trail to Mt. Shasta City to Mt. Eddy. Comment
  CAS-BOT-BC266454  Campanula scabrella W. R. Dudley 1899-8-26 s.n. Siskiyou Slopes and top of Mount Eddy Comment
  SEINET10463382  Campanula scabrella Muth 1978-8-3 MUTH 7403 Siskiyou Near China Mountain, close to town of Callahan Tallus on W exposure 2604 Comment
  UC1473430  Campanula scabrella Gilbert Jerome Muth 1978-8-3 7403 Siskiyou close to town of Callahan (near China Mountain, China Mt. quadrangle); China Mt. quadrangle 2603 Comment
  SEINET10463573  Campanula scouleri Clifton 1978-7-30 CLIFTON 2468 Siskiyou NR WHITE MTN ON SEIAD V. QUAD. NR SEIAD VALLEY EVERGREEN CONIFER FOREST 1737 Comment
  SEINET10463576  Campanula scouleri Joseph W. Congdon 1900-8-16 Congdon s.n. Siskiyou CASTLE LAKE TRAIL Comment
  SEINET10463778  Campanula scouleri John G. Lemmon Lemmon s.n. Siskiyou Sisson's meadows, near Shasta Comment
  SEINET10463783  Campanula scouleri Setchell 1902-7-12 SETCHELL s.n. Siskiyou Mount Shasta; Sisson Comment
  SEINET10463794  Campanula scouleri Louis Krautter 1905-7-7 Krautter s.n. Siskiyou Near Sisson 1067 Comment
  UCD66988  Campanula wilkinsiana Joseph DiTomaso 1980-8-21 1893 Siskiyou Kidd Creek Meadows, Trinity Alps Primitive Area. 2042 Comment
  SEINET10463889  Campanula wilkinsiana Ferlatte 1966-8-19 FERLATTE 446 Siskiyou KIDD CREEK TRAIL, STREAM BANK DENSELY WOODED CANYON. T37N R9W SEC.32 1676 Comment
  RSA120725  Cardamine californica var. integrifolia S. S. Tillett 1956-7-9 663 Siskiyou Little Carmen Lake, n. side of Scott Mtn. Siskiyou-Trinity cos. line, ca. 8 mi. se. of Callahan 1829 Comment
  CAS-BOT-BC37796  Cardamine nuttallii George Dexter Butler 1909-3-22 566 Siskiyou Slyva. Oro Fino. Comment
  CAS-BOT-BC38067  Cardamine pachystigma W. R. Dudley 1893-6-20 s.n. Siskiyou Near Castle Lake, vicinity of Mount Shasta. Comment
  UC1181803  Cardamine pensylvanica Dorothy Parker 1950-5-21 432 Siskiyou edges of swamp in Fay Lane (Scott Valley); Siskiyou Mountains, Scott Valley 853 Comment
  POM95832  Cardamine pulcherrima Geo. D. Butler 1910-4-1 1152 Siskiyou Humbug Mountain. Comment
  CAS-BOT-BC18390  Carex R. Tallent 1987-8-13 913 Siskiyou Klamath National Forest. Forest Road 29N11 at Little Jackson Creek. 1740 Comment
  CAS-BOT-BC18388  Carex A. A. Heller 1916-7-20 12468 Siskiyou Near Wagon Creek, east side of Mt. Eddy in the yellow pine belt. 1524 Comment
  CAS-BOT-BC18394  Carex Doris K. Kildale 1928-8-19 6517 Siskiyou English Lake, head of North Fork of Salmon River. Comment
  CHSC99692  Carex abrupta L. P. Janeway 2008-7-24 9475 Siskiyou Klamath Ranges. Siskiyou Mountains; at end of short spur road into top of Alex Hole; 1.0 km east-southeast of Condrey Mountain. 1975 Comment
  JEPS63590  Carex abrupta B. C. Goldsmith 1916-9-29 28 Siskiyou Meadow, Medicine Lake Comment
  UC618716  Carex abrupta J. W. Stacey 1938-8-15 11258 Siskiyou Wagon Camp, in the meadow near the springs Mount Shasta, Wagon Camp Comment
  UC607  Carex amplifolia Ezra Brainerd 1897-8-1 Siskiyou Sisson Comment
  UCR52390  Carex amplifolia L. P. Janeway 1982-6-27 27 Siskiyou Marshy area c. 125 m SE of Johnson Creek on the SW side of Elk Creek Trail. 732 Comment
  HSC79089  Carex aquatilis var. dives L. P. Janeway 1983-8-16 552 Siskiyou Poker Flat: slope between upper & lower parts of meadow. 1524 Comment
  UCD140122  Carex atherodes Peter F. Zika 2010-7-21 25197 Siskiyou Grass Lake. On north side of Route 97, 0.4 road miles ENE of Grass Lake Rest Area. 1540 Comment
  JEPS109271  Carex bolanderi D. W. Taylor 2005-7-14 19401 Siskiyou Wagon Camp, along Forest road 40N25, Panther Creek drainage, Mount Shasta Comment
  CAS-BOT-BC19656  Carex brainerdii John Thomas Howell 1939-8-6 15099 Siskiyou Marble Mountains. Elk Mountain. Comment
  HSC77169  Carex brainerdii L. P. Janeway 1983-6-26 346 Siskiyou Along FS Rd. 18N33, 6 mi. from the Grayback Rd. 1250 Comment
  UC666  Carex breweri var. breweri W. H. Brewer 1862-9-16 1422 Siskiyou Mt. Shasta; ; Mt. Shasta 2438 Comment
  CAS-BOT-BC20057  Carex echinata Peter H. Raven 1956-9-4 10384 Siskiyou Ridge south of Mount Eddy. 2286 Comment
  HSC29666  Carex echinata subsp. echinata Frederick W. Oettinger, R. F. Thorne 1969-8-7 1270 Siskiyou Marble Mtn. Wilderness Area, margin of English Lake 1768 Comment
  CAS-BOT-BC20128  Carex feta William Bridge Cooke 1940-6-8 15124 Siskiyou In Mount Shasta City. 1082 Comment
  RSA237276  Carex fracta Frederick W. Oettinger 1969-8-16 1393 Siskiyou SW of Wiregrass Meadow below English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  SEINET3901556  Carex fracta D. H. Norris, T. Nelson; Steve Dowty 1971-7-23 19537 Siskiyou Along State Route 96 about 8 miles west of junction with I-5.; 0 Comment
  HSC91224  Carex geyeri Jennifer Whipple 1976-6-17 1019 Siskiyou N face of Mount Eddy 2134 Comment
  UC1025113  Carex gigas Douglas Barbe 1955-7-9 148 Siskiyou small stream at the sw shore Scott Mountains, Kangaroo Lake 1828 Comment
  UC833774  Carex halliana A. A. Heller 1922-7-15 13689 Siskiyou at Medicine Lake Medicine Lake 2133 Comment
  UCD77474  Carex heteroneura Robert E. Preston 2001-6-30 1667 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake. 1853 Comment
  HSC97427  Carex hoodii Jennifer Whipple 1977-7-22 2031 Siskiyou SW of Dobkins Lake along the drainage into the lake 2195 Comment
  CAS-BOT-BC7599  Carex inops subsp. inops L. E. Smith 1913-4-29 s.n. Siskiyou McCloud 986 Comment
  JEPS106478  Carex inops subsp. inops J. K. Nelson 2004-7-4 2004 -66 Siskiyou SW side Mount Shasta, Mount Shasta Forest (private land) 1325 Comment
  JEPS109847  Carex inops subsp. inops Dean W. Taylor 2004-7-20 19194 Siskiyou Mt. Shasta, slopes ca. 0.3 air mile E of Mud Creek dam. 1524 Comment
  RSA0089764  Carex inops subsp. inops Dean Wm. Taylor 2014-5-29 21481 Siskiyou Mt. Shasta; southeastern flank of the base of the mountain, Squaw Valley Creek watershed. 1664 Comment
  SEINET7563602 Image available Carex laeviculmis L. P. Janeway 2006-7-1 8721 Siskiyou Klamath Ranges. Salmon Mountains, just west of Carter Meadow, north side of South Fork Salmon River. Deadman Peak 7.5' quad. 1579 Comment
  CAS-BOT-BC31308  Carex lenticularis var. impressa John Thomas Howell 1939-8-3 14960 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  SEINET7564603 Image available Carex lenticularis var. impressa Ray Tallent 1987-8-12 897 b Siskiyou Klmath National Forest. 1939 Comment
  HSC37424  Carex leptopoda J. O. Sawyer 1969-8-5 1955 Siskiyou Above the S Fork of Sugar Creek 1814 Comment
  UCD140484  Carex leptopoda John Thomas Howell 1939-8-3 14963 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  HSC38959  Carex luzulina J. O. Sawyer 1969-8-5 1759 Siskiyou W of Little Duck Lake 2073 Comment
  JEPS109246  Carex luzulina var. ablata D. W. Taylor 2005-8-18 19481 b Siskiyou Dry Creek Peak, cirque on N-face at headwaters of Antelope Creek, ca 12 air miles NE of the summit of Mt. Shasta. Comment
  JEPS109545  Carex luzulina var. ablata Dean W. Taylor 1988-7-9 9938 Siskiyou Gumboot Lake, headwaters South Fork Sacramento River 1950 Comment
  RSA237363  Carex luzulina var. ablata Frederick W. Oettinger 1968-8-3 374 Siskiyou Diamond Lake Meadows. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  SEINET10711249  Carex mariposana Louis C. Wheeler 1934-8-6 Wheeler 3049 Siskiyou Dry sunny meadow. Bear Ground Gulch off James Canyon. Siskiyou Mts. S32, T48N, R9W. Mt. Diablo Mer. 1676 Comment
  HSC68461  Carex mendocinensis Maralyn A. Renner 1980-7-4 1455 Siskiyou Clear Creek Trail, N of Trout Camp 1037 Comment
  HSC76388  Carex mendocinensis L. P. Janeway 1982-6-29 30 Siskiyou Old roadbed across small creek, 400 ft. SE of No Mans Creek, and .7 mi. up No Mans Creek from the Clear Creek Road 701 Comment
  CAS-BOT-BC31838  Carex microptera William Bridge Cooke 1939-7-21 13732 Siskiyou In small bog around lower Wagon Camp Springs. 1737 Comment
  HSC86630  Carex multicaulis D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta 1982 Comment
  JEPS121396  Carex multicaulis Peter F. Zika & Julie Nelson 2012-6-21 25909 Siskiyou ridge above South Fork Willow Creek, 9 air km ENE of Gazelle Mountain, Shasta-Trinity National Forest, FS Road 42N42Y, 0.25 road miles E of junction with 42N19 Comment
  JEPS63685  Carex multicaulis W. L. Jepson July, 1894 52 a Siskiyou Upton Comment
  SEINET13390526  Carex multicaulis P. F. Zika 2012-5-18 25888 Siskiyou Klamath Range (KR), near Dunsmuir Avenue, S end of town of Dunsmuir, 3.6 air km SE of Mount Bradley 730 Comment
  UC833301  Carex multicaulis A. A. Heller 1922-7-3 13675 Siskiyou w Wagon creek; Mt. Eddy 2225 Comment
  CAS-BOT-BC32003  Carex multicaulis L. P. Janeway 1982-8-21 169 Siskiyou Preston Peak Quad, in the old dirt road between Poker Flat and Twin Valley, near Twin Valley 1463 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
  UC1358 Image available Carex multicostata W. H. Brewer 1375 Siskiyou Mt. Shasta 2560 Comment
  HSC29654  Carex multicostata Frederick W. Oettinger, R. F. Thorne 1969-8-6 1244 Siskiyou Marble Mtn. Wilderness Area, Pine Lake Meadows 1845 Comment
  RSA211375  Carex multicostata William J. Ferlatte 1966-6-22 115 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  CHSC40189  Carex nebrascensis L. P. Janeway 1983-7-30 468 Siskiyou Small drainage ditch along the rd to Copco Lake. 883 Comment
  UC618742  Carex nervina J. W. Stacey 1938-7-15 11255 Siskiyou Wagon Camp Mount Shasta Comment
  HSC96015  Carex nigricans Juha Pykala, D. H. Norris 1987-7-7 2357 Siskiyou Mt. Shasta, Everitt Memorial Highway, Panther Meadow 2287 Comment
  UC1235  Carex nigricans W. H. Brewer 1862-9-15 1379 Siskiyou Mt. Shasta 2560 Comment
  CHSC40164  Carex nudata L. P. Janeway 1983-8-19 564 Siskiyou Along the south side of the Klamath River near Hornbrook. 640 Comment
  CAS-BOT-BC119465  Carex nudata C. F. Baker 1903-7-4 3541 Siskiyou Klamathon Comment
  CAS-BOT-BC119472  Carex nudata L. P. Janeway 1983-7-30 457 Siskiyou Happy Camp quad. Along N shore Klamath River ca 2.5 mi W of Fort Goff. 396 Comment
  SEINET7569426 Image available Carex nudata John Thomas Howell, T. C. Fuller, G. D. Barbe 1980-4-29 53432 Siskiyou Along East Fork Scott River 2 miles east of Callahan on road to Gazelle. 991 Comment
  UC195517  Carex pachystachya Geo. D. Butler 1909-6-13 806 Siskiyou Oro Fino Comment
  CAS-BOT-BC119200  Carex pachystachya A. A. Heller 1922-7-15 13706 Siskiyou Plentiful in moist soil in the meadow at Medicine Lake. 2133 Comment
  CAS-BOT-BC118933  Carex pellita Lewis Samuel Rose 1937-7-3 37399 Siskiyou Weed. 944 Comment
  SEINET7572129 Image available Carex praegracilis Lowell Ahart, John Dittes 2005-6-10 12108 Siskiyou 30 yards east of the Shasta River, about 60 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. 777 Comment
  HSC85841  Carex rostrata L. P. Janeway 1983-8-16 551 Siskiyou Poker Flat 1524 Comment
  HSC91274  Carex scabriuscula Jennifer Whipple 1976-6-30 1216 Siskiyou Wagon Creek drainage near Wagon Creek 2195 Comment
  HSC103349  Carex scabriuscula Thomas W. Nelson, Jane Nelson 1982-7-16 7232 Siskiyou Along west side of Forest Service Rd. 42N17, at summit above Deadfall Meadow, near crossing of Pacific Crest Trail. (Siskiyou-Trinity county line) 2073 Comment
  HSC91374  Carex scopulorum Jennifer Whipple 1978-10-6 2424 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 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-BC118224  Carex scopulorum var. bracteosa A. A. Heller 1922-7-3 13673 Siskiyou Along Wagon creek on Mt. Eddy 2225 Comment
  CAS-BOT-BC117249  Carex spectabilis John Thomas Howell 1937-7-25 13475 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  HSC96549  Carex spectabilis Gordon Leppig 1998-8-14 1027 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  SEINET7575752 Image available Carex spectabilis Frederick W. Oettinger 1969-9-2 1602 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area, Bear Meadow above Tom Taylor Cabin. 2164 Comment
  CAS-BOT-BC117342  Carex stipata W. R. Dudley 1893-6-21 s.n. Siskiyou Peter Klinks Meadow. Sisson. Comment
  HSC77249  Carex stipata var. stipata L. P. Janeway 1983-7-30 466 Siskiyou Near S side of Klamath River, 3 mi. E of Copco Lake (River Access No. 4) 777 Comment
  UC618784  Carex subfusca J. W. Stacey 1938-6-24 11082 Siskiyou MacBride Springs Mount Shasta Comment
  UCD140910  Carex subfusca A. A. Heller 1920-6-24 13390 Siskiyou Metcalf's ranch, NE base of Mt. Eddy. 1158 Comment
  RSA238971  Carex subfusca Frederick W. Oettinger 1969-8-19 1464 Siskiyou Moist area between King David Peak and Abbott s Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  RSA211378  Carex utriculata William J. Ferlatte 1966-8-3 293 Siskiyou Josephine Lake basin. 1677 Comment
  CAS-BOT-BC422326  Carex vesicaria Julie Kierstead Nelson; Martin Lenz; Rhonda Posey 2014-8-13 2014 -076 Siskiyou Lower Parks Creek Lake near outlet, northeast side. 1 mile NE of China Mountain, easten Klamath Ranges. 2200 Comment
  HSC30550  Carex vesicaria Frederick W. Oettinger 1969-8-22 1506 Siskiyou Marble Mtn. Wilderness Area, N shoreline of Horse Range Lake 1822 Comment
  CAS-BOT-BC241149  Castilleja applegatei subsp. pinetorum Alice Eastwood No date on label s.n. Siskiyou Cantara Comment
  HSC72500  Castilleja applegatei subsp. pinetorum J. P. Smith, Steve Selva 1970-6-16 3995 Siskiyou 5 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1189 Comment
  HSC82256  Castilleja applegatei subsp. pinetorum Thomas W. Nelson, Jane P. Nelson 1980-7-20 6176 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  UC642564  Castilleja applegatei subsp. pinetorum Alice Eastwood 1939-7-14 13693 Siskiyou Sisson Southern Trail; Mount Shasta Comment
  RSA425927  Castilleja applegatei subsp. pinetorum M. B. Dunkle 1944-8-25 9174 Siskiyou Siskiyou National Forest. Coastal Northern California. Comment
  CAS-BOT-BC94465  Castilleja arachnoidea R. C. Wenk 2005-7-19 324 Siskiyou Along Pacific Crest Trail, 2 miles S of parking lot at top of pass on National Forest Road 17, going towards Mt. Eddy 2164 Comment
  POM255866  Castilleja arachnoidea Marion Ownbey, Ruth Ownbey 1938-7-20 1761 Siskiyou Near Dry Lake Lookout, summit of the Siskiyou Mountains. Comment
  SEINET13737243  Castilleja arachnoidea G. D. Butler 1910-7-9 1712 Siskiyou Marble Mountain. 1829 Comment
  UC1408796  Castilleja arachnoidea Robert F. Thorne and Fred Oettinger 1969-8-10 39007 Siskiyou s slope Mt. Shasta (slopes above ski-lodge); Mt. Shasta National Forest 2377 Comment
  UC618868  Castilleja arachnoidea Alice Eastwood 1938-8-21 11535 Siskiyou Horse Camp Flats Mount Shasta (sw slope of Mount Shasta) 2438 Comment
  HSC59896  Castilleja arachnoidea D. L. Goforth 1979-7-7 235 Siskiyou Klamath National Forest, near Deer Camp 1860 Comment
  HSC711  Castilleja arachnoidea William J. Ferlatte 1967-8-20 1040 Siskiyou Caribou Mtn. 2470 Comment
  CDA41245  Castilleja lacera G. D. Barbe, T. C. Fuller 1972-6-14 945 Siskiyou South of Oberlin Road, between Yreka and Montague. 0 Comment
  SJSU2090  Castilleja linariifolia J. W. Tilden 1958-6-25 1260 Siskiyou near Monument Headquarters, Lava Beds National Monument Comment
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Jun 3 2009
  CAS-BOT-BC253613  Castilleja miniata Ira L. Wiggins 1955-7-27 13555 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC254015  Castilleja miniata Wm. Bridge Cooke 1938-7-28 11378 Siskiyou Mt. Shasta 2438 Comment
  HSC42230  Castilleja miniata J. D. Mastrogiuseppe 1974-9-2 167 Siskiyou W slope of ridge of Red Rock Mtn. 2165 Comment
  HSC61814  Castilleja miniata Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  RSA237564  Castilleja miniata Frederick W. Oettinger 1968-8-6 424 Siskiyou Southeast corner of Hancock Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  CAS-BOT-BC32556  Castilleja muscipula John Thomas Howell 1939-8-4 15060 Siskiyou Near Spirit Lake, Marble Mts. 1828 Comment
  CHSC75630  Castilleja pilosa Vernon H. Oswald; Kenneth Beatty 1999-6-27 9791 Siskiyou Northeast of Grass Lake and south of Juanita Lake on FR 45N20 between Hwy. 97 and Martin Dairy Campground. Comment
  JEPS42269  Ceanothus cordulatus L. N. Lorenzen 1920-6-9 Siskiyou Sisson 1127 Comment
  RSA68925  Ceanothus cordulatus A. E. Culbertson 1943-7-12 32 Siskiyou Castle Lake, in a north facing cirque with a abrupt 1000' backwall; 14 miles SW of Mt. Shasta on N side of a 6600' eastern spur of Trinity Mts.; 2000 ft. above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  SFV5164  Ceanothus cuneatus B. C. Templeton 1960-6-21 8534 Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  JEPS24612  Ceanothus integerrimus Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6765 Siskiyou along S.P. (Shasta Route) (rr grade in upper Sacramento River Canyon, in 1.5 mi stretch betw Shasta Retreat (at n outskirts of Dunsmuir) to Mossbrae Falls and Shasta Springs) 731 Comment
  SBBG16397  Ceanothus integerrimus D. Myrick 1961-6-21 299 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1066 Comment
  UC18347  Ceanothus integerrimus T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  POM86957  Ceanothus integerrimus var. californicus Edward Palmer 1892-7-13 2457 Siskiyou Mount Shasta and vicinity Comment
  RSA399891  Ceanothus integerrimus var. peduncularis M. B. Dunkle 1944-6-25 9006 Siskiyou Beaver Creek. (Coastal Northern California). 1677 Comment
  HSC33967  Ceanothus prostratus J. P. Smith 1974-5-25 7433 Siskiyou Near junction of Rd. 8 with French Creek Rd. 1280 Comment
  RSA399820  Ceanothus prostratus H. E. McMinn 1931-6-27 2520 Siskiyou Shasta City. Comment
  UC1071276  Ceanothus prostratus R. D. Roseberry 1936-5-11 16 Siskiyou e side Heppo Butte; Modoc Lava Beds National Monument, Dorris Quad. Comment
  SD249278  Ceanothus sanguineus David Keil, Kathleen Keil 1990-7-28 Siskiyou Marble Mountains, Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  CAS-BOT-BC63153  Ceanothus velutinus Alice Eastwood 1921-7-24 10772 Siskiyou Castle Lake. Comment
  RSA68856  Ceanothus velutinus A. E. Culbertson 1943-6-26 100 Siskiyou Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. Comment
  UCD112842  Ceanothus velutinus J. M. Tucker; L. K. Mann 1963-7-4 3694 Siskiyou Beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. 1524 Comment
  CAS-BOT-BC52842  Ceanothus velutinus var. velutinus A. A. Heller 1919-6-27 13252 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC52845  Ceanothus velutinus var. velutinus Doris K. Kildale 1928-8-20 6633 Siskiyou Head of North Fork of Salmon River at Finley's Upper Camp Comment
  CDA7017  Centaurea calcitrapa T. C. Fuller 1960-8-23 4964 Siskiyou ca. 1 mile northeast of Gazelle. 0 Comment
  HSC68201  Centaurea cyanus Steve Selva, J. P. Smith 1970-7-17 4444 Siskiyou 915 Comment
  UCD130122  Centaurea virgata subsp. squarrosa T. C. Fuller 1969-7-1 18618 Siskiyou Hawkinsville, just north of Yreka. Comment
  UCD130123  Centaurea virgata subsp. squarrosa T. C. Fuller 1969-7-1 18618 Siskiyou Hawkinsville, just north of Yreka. Comment
  UC1045277  Cephalanthera austiniae W. Bridge Cooke 1940-6-6 15080 Siskiyou along Castle Lake rd. Comment
  CAS-BOT-BC207631  Cercis occidentalis J. H. Thomas 1954-5-15 4189 Siskiyou About 1 mile SE of Forks of the Salmon. Comment
  HSC18571  Cercocarpus ledifolius R. C. Wunner 1965-7-15 393 Siskiyou Lava Beds NM, Indian Wells near N Prefab 1433 Comment
  RSA611268  Cercocarpus ledifolius Louis C. Wheeler 1935-7-4 3654 Siskiyou Yreka Creek. 884 Comment
  HSC90618  Cercocarpus ledifolius var. ledifolius Jennifer Whipple 1976-9-4 1794 Siskiyou Dobkins lake drainage on E facing slopes above Dobkins lake 2256 Comment
  CAS-BOT-BC148521  Cercocarpus ledifolius var. ledifolius Mrs. Marian Campbell 1916-7-15 s.n. Siskiyou From Moraine Lake to Arroya Comment
  CAS-BOT-BC276784  Chaenactis douglasii var. douglasii Elmer I. Applegate 1935-6-6 9367 Siskiyou Crater of Caldwell Butte, Lava Beds National Monument Comment
  HSC92684  Chaenactis douglasii var. douglasii Jennifer Whipple 1976-7-14 1471 Siskiyou SE slope of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  CAS-BOT-BC276770  Chaenactis douglasii var. douglasii L. E. Smith 1913-7-12 461 Siskiyou Igerna Comment
  POM351689  Chaenactis douglasii var. douglasii E. E. Stanford 1930-6-15 1592 Siskiyou Near Shasta City Comment
  UC1299290  Chaenactis douglasii var. douglasii Freed W. Hoffman 1948-7-13 2628 Siskiyou 8.4 mi n of Tennant (on Butte Creek road) 1295 Comment
  CAS-BOT-BC106032  Chaenactis suffrutescens Lester Rowntree 1937-8-5 s.n. Siskiyou Etna Mills & Fort Jones 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
  UC1718090  Chaenactis suffrutescens John S. Mooring 1962-6-16 s.n. Siskiyou Greenview, at dead end of Main Street Comment
  SEINET515847  Chamaebatiaria millefolium Vernon Oswald 1997-7-28 8772 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi. S of Medicine Lake. 1366 Comment
  HSC46341  Chamaecyparis lawsoniana J. P. Smith, Steve Selva 1970-7-15 4343 Siskiyou Klamath National Forest, road to Happy Camp. 732 Comment
  RSA593940  Chamaecyparis lawsoniana L. C. Wheeler 1963-9-5 8350 Siskiyou Siskiyou Mountains. Sanger Lake. Comment
  UCR110582  Chamaecyparis nootkatensis L. C. Wheeler 1963-8-25 8275 Siskiyou Preston Peak: Summit ridge 2134 Comment
  UCD102286  Chamaesaracha nana Daniel Sanchez-Mata; S. Rivas-Martinez, A. Penas and Sara del Rio 2011-7-16 s.n. Siskiyou Mount Shasta. Everett Memorial Highway to Mount Shasta. 2010 Comment
  RSA15484  Chamaesyce serpillifolia L. S. Rose 1936-7-29 36702 Siskiyou Shasta Springs. 762 Comment
  HSC68061  Chamaesyce serpyllifolia J. P. Smith, Steve Selva 1970-7-17 4420 Siskiyou Along Klamath River. Comment
  UCD103638  Chamerion angustifolium Steve. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta-Trinity National Forest, S of Mt. Shasta. 1767 Comment
  CAS-BOT-BC166089  Chamerion angustifolium subsp. circumvagum John Thomas Howell 1939-8-9 15244 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  UC1408914  Chamerion angustifolium subsp. circumvagum Frederick W. Oettinger 1968-8-2 365 Siskiyou outlet of Diamond Lake Salmon Mountains, Marble Mountain Wilderness Area (w Siskiyou Co.) 2072 Comment
  UC618797  Chamerion angustifolium subsp. circumvagum W. Bridge Cooke 1938-7-22 11329 Siskiyou Sisson Southern Trail Mount Shasta Comment
  CAS-BOT-BC482448  Chamerion latifolium Dana York 2011-8-13 3057 Siskiyou Marble Mountain Wilderness, Klamath National Forest, NE-facing slope of Marble Mountain 2045 Comment
  JEPS82482  Chamerion latifolium Gilbert Muth 1965-8-11 205 Siskiyou along trail to four corners Marble Mt. Wilderness Area, Black Mt. 1874 Comment
  RSA237844  Cheilanthes gracillima Frederick W. Oettinger 1968-8-5 405 Siskiyou Mount Hemlock Forest, Shasta Ridge, between Diamond Lake and English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UCR101226  Cheilanthes gracillima L. C. Wheeler 1958-8-21 7413 Siskiyou Siskiyou Mountains, Lily Pad Lake, head W Fork Seiad Creek 1820 Comment
  CAS-BOT-BC68237  Cheilanthes gracillima Ira L. Wiggins 1955-7-27 13531 Siskiyou Salmon-Trinity alps Primitive Area - on rocky ridge along west side of Caribou Lake 2042 Comment
  RSA13709  Cheilanthes gracillima L. C. Wheeler 1934-8-2 3021 Siskiyou Head Jaynes Canyon, Siskiyou Mountains 2073 Comment
  RSA210847  Chenopodium salinum R. F. Thorne 1969-9-3 39030 Siskiyou Hwy 161 at N edge of White Lake, 13.5 miles E of junction of Hwy 97 and 161. 1280 Comment
  HSC67798  Chimaphila menziesii J. O. Sawyer, J. Cole 1980-7-22 3992 Siskiyou Little Horse Peak 1720 Comment
  CAS-BOT-BC451441  Chimaphila menziesii L. B. Kildale 1930-6-1 9782 Siskiyou Black Bear Trail to Sawyer Bar 609 Comment
  HSC92971  Chimaphila umbellata Jennifer Whipple 1976-9-3 1767 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2256 Comment
  CAS-BOT-BC452261  Chimaphila umbellata Laura M. Lathrop 1903-7-10 s.n. Siskiyou Shasta Regreat Comment
  JEPS124857 Image available Chimaphila umbellata P. L. Billings 1965-7-13 120 Siskiyou Dead Horse Creek Canyon Rd. Intersection of HWY 89. Comment
  RSA96940  Chimaphila umbellata subsp. occidentalis P. C. Everett, E. K. Balls, George B. Everett 1954-10-11 20266 Siskiyou Castle Lake, Foresst service camp, s.w. of town of Mt. Shasta. 1250 Comment
  CAS-BOT-BC36385  Chrysolepis chrysophylla Doris K. Kildale 1929-7-20 8660 Siskiyou Trail up South Fork of Indian Creek to Elk Lick Comment
  POM270406  Chrysolepis sempervirens Lyman Benson 1929-3-26 1069 Siskiyou Shoulder of Mt. Shasta. Comment
  UCD110157  Chrysolepis sempervirens John M. Tucker; L. K. Mann 1963-7-4 3692 Siskiyou Beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. Comment
  SBBG25330  Chrysolepis sempervirens J. M. Tucker, L. K. Mann 1963-7-4 3692 Siskiyou rd from Etna to Sawyer's Bar, ca. 4.7 mi (by rd) SW of Etna Comment
  RSA184687  Chrysothamnus nauseosus subsp. albicaulis Gilbert Muth 1966-8-7 503 Siskiyou Lookout trail along ridge, Marble Mts. 2058 Comment
  CAS-BOT-BC32779  Chrysothamnus parryi subsp. latior Amos Arthur Heller 1915-8-26 12250 Siskiyou Wagon creek at the foot of Mt. Eddy 1127 Comment
  RSA14944  Chrysothamnus parryi subsp. latior Alice Eastwood 1912-8-30 2079 Siskiyou Mount Eddy Comment
  LA28602  Chrysothamnus viscidiflorus subsp. viscidiflorus Lewis S. Rose; 1941-8-28 41427 Siskiyou Dorris 1291 Comment
  POM296750  Chrysothamnus viscidiflorus subsp. viscidiflorus L. S. Rose 1941-8-28 41427 Siskiyou Dorris 1292 Comment
  UC1539982  Chrysothamnus viscidiflorus subsp. viscidiflorus M. Mitchell 1936-5-19 36 Siskiyou 1.25 mi w Caldwell Butte 1417 Comment
  UC1483509  Cinna latifolia Maralyn A. Renner 1980-8-8 2436 Siskiyou Rattlesnake Meadow; Klamath National Forest, Preston Peak Quad. 1645 Comment
  CAS-BOT-BC285345  Cirsium andersonii C. G. Pringle August 28 s.n. Siskiyou Unspecified Comment
  CAS-BOT-BC278047  Cirsium cymosum John Thomas Howell 1952-6-15 28361 Siskiyou Montague Comment
  OBI60938  Cirsium cymosum var. cymosum B. Villegas 1999-6-8 s.n. Siskiyou Shasta Valley, Slough Rd approx 2 mi S of Louie Rd near I-5 Comment
  UC454287  Cirsium douglasii var. breweri I. J. Condit 1911-7-31 Siskiyou Shasta Springs Comment
  CAS-BOT-BC285554  Cirsium occidentale var. candidissimum L. E. Smith 1913-7-1 447 Siskiyou Hilt Comment
  UCR24851  Cirsium pastoris John C. Roos 1948-9-2 3979 Siskiyou Fort Jones 915 Comment
  RSA0070868  Cirsium remotifolium E. K. Balls 1949-7-10 13959 Siskiyou 3 miles from Sawyer's Bar on road to Cecilville. 793 Comment
  JEPS86288  Cirsium scariosum W. L. Jepson 1940-7-3 20111 Siskiyou about 5 mi se Bartle; Big Bear Flat 1219 Comment
  CDA1590  Cirsium scariosum var. robustum T. C. Fuller 1959-7-9 2738 Siskiyou Hwy 99, 2 mi. S/ Gazelle. 0 Comment
  OBI54126  Cirsium scariosum var. robustum David J. Keil, Kathleen Keil 1992-7-24 23571 Siskiyou E of McCloud along hwy 89, 7.7 mi W of Shasta county line Comment
  CAS-BOT-BC228961  Cistanthe umbellata H. A. Thomas; J. H. Thomas 1954-7-24 4485 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Ruch Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC164162  Clarkia concinna L. B. Kildale 1930-6-1 9695 Siskiyou Salmon River at Forks of Salmon Comment
  HSC36771  Clarkia lassenensis J. P. Smith 1974-5-25 7413 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  UC164469  Clarkia rhomboidea Geo. D. Butler 1910-5-30 1436 Siskiyou near Hawkinsville Comment
  CAS-BOT-BC164977  Clarkia rhomboidea Doris K. Kildale; J. W. Gillespie 1929-6-22 8027 Siskiyou Salt Creek, 36 miles south of Dunsmuir Comment
  HSC103544  Claytonia palustris J. O. Sawyer 1970-7-4 2322 Siskiyou At Cedar Flat Cabin 1402 Comment
  CAS-BOT-BC439627  Claytonia parviflora subsp. parviflora J. H. Thomas 1949-6-16 951 Siskiyou 1/4 miles north of Beaver Creek Public Camp, along Beaver Creek; 5 miles north of junction of Beaver Creek and Klamath River; Klamath National Forest. Comment
  HSC64294  Claytonia perfoliata subsp. intermontana J. P. Smith 1973-5-5 6405 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  RSA0059511  Claytonia rubra subsp. depressa L. C. Wheeler 1935-5-5 3465 Siskiyou Greenhorn Creek. Siskiyou Mtns. (Mt Diablo Mer.) 854 Comment
  CAS-BOT-BC443813  Claytonia rubra subsp. rubra L. E. Smith 1913-5-11 259 Siskiyou McCloud Comment
  CDA23965  Claytonia saxosa G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2644 Siskiyou Schoolhouse Hill, summit of Gazelle/Callahan Road, 11.3 km east of Callahan. Comment
  HSC78205  Claytonia sibirica L. P. Janeway 1983-8-6 500 Siskiyou Poker Flat 1524 Comment
  UC454256  Claytonia sibirica I. J. Condit 1911-7-31 Siskiyou Shasta Springs; along railroad Comment
  RSA232527  Claytonia sibirica Donald Myrick 1968-6-26 2026 Siskiyou In shade along upper waters of Coffee Creek, Trinity Alps. 1463 Comment
  UC398634  Cleome platycarpa A. A. Heller 1927-8-2 14440 Siskiyou near Klamath River (n end of Shasta Valley); Shasta Valley Comment
  HSC42882  Clinopodium douglasii J. O. Sawyer, Ken Stillman 1976-7-1 2787 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  JEPS61604  Clintonia uniflora W. L. Jepson 1937-7-30 18547 Siskiyou Poker Flat, headwaters of Indian Creek Indian Creek; , Poker Flat 1584 Comment
  CAS-BOT-BC500957  Clintonia uniflora L. E. Smith 1913-9-1 s.n. Siskiyou Mount Eddy Comment
  JEPS59014  Collinsia linearis Dorothy Parker 1960-5-23 750 Siskiyou below Sawyers Bar; Salmon River Comment
  CHSC86632  Collinsia parviflora Jenny Marr 1993-7-1 15 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC36892  Collinsia parviflora J. P. Smith 1974-5-26 7536 Siskiyou Along FS 47N03, Chandler Glade 1768 Comment
  POM208360  Collinsia rattanii Louis C. Wheeler 1934-6-12 2692 Siskiyou Hungry Creek Lookout, Siskiyou Mountains. 1463 Comment
  RSA412222  Collinsia rattanii Christopher Davidson 1975-6-5 2694 Siskiyou 0.5 mi ENE on unnamed dirt rd departing to E off Hwy 3 at Scott Mtn summit. 1677 Comment
  JEPS5107  Collinsia torreyi var. wrightii Annie M. Alexander and L. Kellogg 1911-6-28 206 Siskiyou Wildcat Pk 2194 Comment
  JEPS70994  Collomia grandiflora Willis L. Jepson Jul 24 1894-Aug 10 1894 14995 Siskiyou Sisson Region of the Upper Sacramento Comment
  POM65612  Collomia grandiflora E. B. Copeland 1903-8-12 3932 Siskiyou Sisson. Comment
  RSA120857A  Collomia grandiflora G. D. Barbe 1957-7-13 377 Siskiyou Big Flat Public Camp, Klamath National Forest. Comment
  HSC73273  Collomia heterophylla M. A. Baker 1980-6-20 2184 Siskiyou Near Bald Mtn. 1036 Comment
  POM208267  Collomia heterophylla L. C. Wheeler 1934-7-6 2889 Siskiyou Siskiyou Mountains: Hungry Creek. 1371 Comment
  CAS-BOT-BC230675  Collomia tracyi L. B. Kildale 1930-6-1 9781 Siskiyou Black Bear trail to Sawyers Bar, Salmon RIver Comment
  UC1282020  Convolvulus arvensis Louise Kellogg Aug 8 1953-Aug 9 1953 118 Siskiyou Scott Mountain Public Campground Klamath National Forest, Scott Mountains 1630 Comment
  UC60933  Convolvulus arvensis Geo. B. Grant September, 1902 5219 Siskiyou Sisson Mount Shasta (railway bank) 914 Comment
  JEPS87635  Conyza canadensis Vernon H. Oswald and Lowell Ahart 1994-8-10 6452 Siskiyou Pilgrim Creek Rd (FS13) at creek Mud Creek (2.7 mi n of Hwy 89, ca 4.5 air mi ne of McCloud) 1097 Comment
  UC796502  Corallorhiza maculata Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11751 Siskiyou French Creek Logging Rd w Callahan 1066 Comment
  HSC29151  Corallorhiza maculata Frederick W. Oettinger 1969-7-28 1090 Siskiyou Salmon Mountains, High Lake Basins, NNE of Pine Lake 2073 Comment
  HSC61807  Corallorhiza maculata Ruby Van Deventer 13 Jun [year missing] Siskiyou Poker Flat 1585 Comment
  SJSU2576  Corallorhiza mertensiana H. L. Buckalew 1962-7-7 Siskiyou Poker Flat c. 3 mi W of junction of Indian Creek with W Branch of Indian Creek 1066 Comment
  UC1561396  Cordylanthus tenuis subsp. tenuis Barbara Ertter 1987-7-26 7325 Siskiyou 2.2 mi n Scott Mt. summit (on Hwy 3, at road junction) 1371 Comment
  UC196059  Cordylanthus tenuis subsp. tenuis A. A. Heller 1914-8-28 11744 Siskiyou e side Mt. Eddy 1371 Comment
  POM211267  Cordylanthus tenuis subsp. tenuis Louis C. Wheeler 1934-8-31 3231 Siskiyou West Fork Beaver Creek, Siskiyou Mtns. 1159 Comment
  SD129738  Cordylanthus tenuis subsp. tenuis Barbara Ertter 1987-7-26 7325 Siskiyou 2.2 mi N of Scott Mt. summit on Hwy 3, at road junction dried vernal meadow W of road 1372 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
  JEPS57137  Cordylanthus tenuis subsp. viscidus L. R. Heckard 1967-7-5 1603 Siskiyou n side Mt. Shasta (along Bolam logging road) 1524 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
  UC144139  Cordylanthus tenuis subsp. viscidus Geo. D. Butler 1908-8-11 25 Siskiyou near Shackelford Creek; Quartz Valley Comment
  POM298036  Cordylanthus tenuis subsp. viscidus A. A. Heller 1918-7-16 13034 Siskiyou Mt. Eddy, west of Sisson. 2134 Comment
  POM43385  Cordylanthus tenuis subsp. viscidus Geo. D. Butler 1908-8-11 25 Siskiyou Quartz Valley near Shakleford Creek. Comment
  RSA516621  Cordylanthus tenuis subsp. viscidus R. C. Bacigalupi, G. Thomas Robbins, C. L. Custer 1954-8-12 4792 Siskiyou Along highway following the Klamath River, 0.5 mile west of Hamburg. 457 Comment
  CAS-BOT-BC212053  Cornus nuttallii J. H. Thomas 1954-5-13 4134 Siskiyou Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, vicinity of Blind Horse Creek, Salmon Mountains, Klamath National Forest 1066 Comment
  JEPS50161  Cornus nuttallii Geo. D. Butler 1909-5-30 766 Siskiyou Humbug Mt. Comment
  RSA397467  Cornus nuttallii B. C. Templeton 1957-6-22 7747 Siskiyou Near the summit of Scott Mt. Comment
  CAS-BOT-BC210418  Cornus sericea Elmer I. Applegate 1923-9-7 3947 Siskiyou Doggett Creek, Klamath River Comment
  HSC19035  Cornus sericea subsp. sericea J. O. Sawyer 1969-7-18 1400 Siskiyou SW facing slope above S Russian Creek. 1905 Comment
  HSC19268  Cornus sericea subsp. sericea J. O. Sawyer 1968-6-18 196 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC46851  Cornus sericea subsp. sericea William J. Ferlatte 1976-9-22 1854 Siskiyou Grouse Ridge along Yellow Rose Mine Trail. 567 Comment
  CAS-BOT-BC180193  Corylus cornuta subsp. californica John Thomas Howell 1937-7-23 13352 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  HSC35062  Crataegus suksdorfii J. P. Smith 1974-5-25 7642 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  HSC60816  Crepis acuminata Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  CAS-BOT-BC290477  Crepis acuminata G. L. Stebbins, Jr.; E. B. Babcock 1936-6-12 1968 Siskiyou North slope of Mt. Shasta, on highway from Bray to Weed, about 2 miles south of Sheep Rock 1235 Comment
  CHSC86668  Crepis monticola Jenny Marr 1993-7-1 51 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC429491  Crepis monticola Morris Halperin 1930-5-17 Siskiyou around Yreka (Geo. Gray of Yreka, prop. of ranch); Schulmeyer Gulch Comment
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May 9 2008
  CDA4449  Crepis occidentalis T. C. Fuller 1958-6-19 1892 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  JEPS874  Crepis occidentalis Harley P. Chandler June, 1901 1644 Siskiyou Marble Mountain North Coast Ranges Comment
  CDA4448  Crepis occidentalis T. C. Fuller 1958-6-19 1824 Siskiyou South of road to Montague, 1.5 miles east of Yreka. 0 Comment
  UC796545  Crepis occidentalis subsp. conjuncta Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11712 Siskiyou Schoolhouse Hill Plowmans Valley (Noyes Valley), east fork of Scott River Comment
  CAS-BOT-BC376550  Crepis occidentalis subsp. conjuncta E. B. Babcock; G. L. Stebbins, Jr. 1936-6-11 1932 Siskiyou About 8 mi. south of Yreka 810 Comment
  CAS-BOT-BC376176  Crepis pleurocarpa Andrew Townesmith; Karen M. Meyer 2007-8-1 879 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway) 1983 Comment
  CAS-BOT-BC376478  Crepis pleurocarpa Annie M. Alexander; Louise Kellogg 1949-7-29 5890 Siskiyou Top of ridge above Sky High Lake. Sky High Valley, Marble Mountains 1920 Comment
  SEINET10757959  Crepis pleurocarpa Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 879 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway). T41N R6W near sections 28 and 33. 1983 Comment
  UC581211  Crepis pleurocarpa E. B. Babcock and G. L. Stebbins Jr. 1936-6-11 1897 Siskiyou about 7 mi sw Yreka (s of hwy from Yreka to Fort Jones); Forest House Mt. 1363 Comment
  UC604171  Crepis pleurocarpa David D. Keck 1938-8-6 4812 Siskiyou 4 mi s Oregon line (on road from Waldo to Happy Camp, summit of mts., at Del Norte Co. line); Siskiyou Mts., Poker Flat 1555 Comment
  HSC103628  Crepis pleurocarpa Thomas W. Nelson, Jane Nelson 1985-6-19 7842 Siskiyou Along south side of State Route 3, 3.1 mi. N of Scott Mountain Summit. 1524 Comment
  SEINET7838867 Image available Crepis pleurocarpa G. D. Butler 1910-7-12 1758 Siskiyou Dry ridge, Shackleford Creek 1372 Comment
  UC581273  Crepis pleurocarpa G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2437 Siskiyou on creek 1 mi below Stewart Springs; Park's Creek 1120 Comment
  HSC63065  Crocidium multicaule David Wheeler 1979-4-8 34 Siskiyou N facing slope Comment
  UC1181809  Crocidium multicaule Dorothy Parker 1950-3-14 383 Siskiyou e side Scott Valley; Siskiyou Mountains, Scott Valley 853 Comment
  HSC19008  Cryptantha affinis J. O. Sawyer 1969-7-11 867 Siskiyou Ravine above C.C.C. road. 1280 Comment
  UC133676  Cryptantha affinis A. A. Heller 1905-6-5 7962 Siskiyou near Shasta Springs Comment
  JEPS93886  Cryptantha ambigua Vernon H. Oswald and Lowell Ahart 1998-7-21 9332 Siskiyou on the s side of Tennant Road 0.4 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake at a gravel pit); Tennant Road 1402 Comment
  CHSC93544  Cryptantha intermedia Lowell Ahart; John Dittes 2005-6-10 12114 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  POM63493  Cryptantha torreyana Geo. D. Butler 1910-5-8 1310 Siskiyou Near Yreka. Comment
  NY16601  Cupressus bakeri C. B. Wolf 1944-10-29 11478 Siskiyou Northwest side Goose Nest Mt., about 1 mile due south of Old Smith Sawmill on Montague to Mt. Hebron Road 1676.4 Comment
  NY16605  Cupressus bakeri C. B. Wolf 1934-10-9 6170 Siskiyou Siskiyou Mountains, above West Fork of Seiad Creek, 0.75 miles above forks of creek 1158.2 Comment
  POM203790  Cupressus bakeri J. T. Howell 1934-7-4 12386 Siskiyou Between Timbered Crater and Little Hot Springs Valley Comment
  RSA22767  Cupressus bakeri O. V. Matthews 1939-7-11 31 Siskiyou Seiad Grove - Seiad Region, west side of mining company trail along ridge above cook house 915 Comment
  UC1321451  Cupressus bakeri C. O. Stone 1964-6-6 287 Siskiyou approximately 100 yds n Quarry in section 25 (plot 52-54-1); Fall River Mills Quad 1109 Comment
  HSC101875  Cycladenia humilis var. humilis R. D. Whittlesey 2013-6-5 5 Siskiyou Near Castella: 3.1 mi. north from State Park entrance up Castle Dome Trail. 1646 Comment
  UC1540019  Cycladenia humilis var. humilis M. Mitchell 1936-5-9 10 Siskiyou s.e. slope of Schonchin Butte; Lava Beds Nat'l Monument, Schonchin Butte Comment
  UC1190262  Cynoglossum occidentale Ira L. Wiggins 1955-7-23 13464 Siskiyou ridge w. of China Creek (s. side of S. Fork of Salmon R.); S. Fork of Salmon R. 960 Comment
  SEINET3153057  Cynoglossum occidentale G. D. Butler 1910-6-4 1497 Siskiyou Phackleford creek Comment
  HSC36703  Cynosurus echinatus Brent Whiteley 1975-6-23 39 Siskiyou 223 Comment
  UC838417  Cyperus bipartitus Louis C. Wheeler 1934-8-31 3229 Siskiyou Lund Ranch, W. Fork Beaver Creek Siskiyou Mts., W. Fork Beaver Creek, Lund Ranch 1066 Comment
  RSA722401  Cypripedium californicum W. Lane 1938-07 s.n. Siskiyou Siskiyou Mountains 1220 Comment
  SEINET8253671  Cypripedium californicum Frank Callahan 2007-7-5 Siskiyou Methodist Camp Meadows (south of) up Scott Camp Creek. Comment
  CDA39517  Cypripedium montanum D. Osterhandt 1979-6-1 s.n. Siskiyou Sawyers Bar. 0 Comment
  HSC23665  Cystopteris fragilis J. O. Sawyer 1969-7-18 1360 Siskiyou At headwaters of S Russian Cr. 2043 Comment
  HSC26704  Cystopteris fragilis William J. Ferlatte 1971-9-18 1381 Siskiyou Caribou Basin, Sawtooth Ridge 2378 Comment
  CAS-BOT-BC445494  Damasonium californicum Lillian S. Mott 1967-7-2 LM 6764 Siskiyou Near Dorris 1371 Comment
  HSC37474  Danthonia californica A. M. Montalvo, J. D. Ackerman 1974-7-2 352 Siskiyou E slope of Mt. Eddy, 3 mi. below trailhead to Morgan Meadows. Comment
  HSC69057  Danthonia intermedia subsp. intermedia Maralyn A. Renner 1980-8-6 2318 Siskiyou Cracker Meadow 1555 Comment
  CAS-BOT-BC76240  Darlingtonia californica Carl Purdy 1897-1-1 s.n. Siskiyou Mount Shasta. Comment
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Nov 6 2019
  CAS-BOT-BC76244  Darlingtonia californica Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mount Eddy. 1706 Comment
  UC11153  Darlingtonia californica W. A. Setchell, C. C. Dobie July, 1902 Siskiyou near Sisson; Mount Shasta, 18th Crossing Comment
  UCD168830  Darlingtonia californica Barry Rice 2015-8-15 BR 150805 Siskiyou West end of Gumboot Lake. 1865 Comment
  UCR95194  Darlingtonia californica L. C. Wheeler 1963-9-1 8329 Siskiyou Siskiyou Mtns, W side Clear Creek c. 1/2 mi upstream from Trout Camp. 1037 Comment
  RSA698850  Darlingtonia californica Leo Miller 1938-06 s.n. Siskiyou Siskiyou Mountains [Siskiyou or Del Norte counties]. 854 Comment
  SEINET12007447  Darlingtonia californica H. M. Hall, Babcock, E. B. 4042 Siskiyou Sierra Nevada Mountains, 18th crossing Sacramento River, near Sisson, Transition Zone, Mt. Shasta Comment
  UC165440  Darmera peltata Geo. D. Butler 1910-4-24 1234 Siskiyou Shackleford Creek Comment
  JEPS96881  Delphinium antoninum Dean W. Taylor 1999-6-10 17248 Siskiyou Marble Mountains, Mill Creek, ca. 4 miles W from Mugginsville in Quartz Valley, northerly facing slopes near watershed divide with Kidder Creek 1584 Comment
  CAS-BOT-BC9047  Delphinium decorum subsp. tracyi Alice Eastwood 1912-8-30 2001 Siskiyou Mount Eddy Comment
  UC922379  Delphinium glaucum Annie M. Alexander and Louise Kellogg 1949-7-23 5851 Siskiyou edge of creeks Marble Mountains, Paradise Lake 1920 Comment
  CAS-BOT-BC8751  Delphinium glaucum Gilbert J. Muth 1965-8-2 s.n. Siskiyou Marble Valley Comment
  HSC733  Delphinium glaucum William J. Ferlatte 1966-8-18 404 Siskiyou 3 mi. S of Big Flat 1585 Comment
  UC563986  Delphinium nudicaule Elmer I. Applegate 1935-6-6 9376 Siskiyou sw base Caldwell Butte; Lava Beds National Monument Comment
  CAS-BOT-BC116169  Delphinium nuttallianum Elmer Ivan Applegate 1923-8-20 3904 Siskiyou Medicine Lake, Comment
  HSC77020  Delphinium nuttallianum K. T. Stillman 1976-6-25 57 Siskiyou Marble Mtn. Wilderness Area, top of Marble Mtn. 2073 Comment
  RSA78823  Delphinium nuttallianum P. A. Munz 1952-7-2 17902 Siskiyou Baldy Mountain ca. 6 miles west (by air) of Happy Camp. 1738 Comment
  UCD77598  Delphinium nuttallianum Robert E. Preston 2001-6-23 1615 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W se 1/4 Section 15 1889 Comment
  RSA415968  Deschampsia cespitosa subsp. cespitosa M. B. Dunkle 1945-7-24 9265 Siskiyou Klamath National Forest, Marble Mts. Comment
  HSC103044  Deschampsia danthonioides J. P. Smith 2014-6-7 13902 Siskiyou Along Forest Service Road 40N08, just north of Big Carmen Lake 1699 Comment
  CAS-BOT-BC201939  Deschampsia elongata Alice Eastwood 1921-7-24 10781 Siskiyou Castle Lake Comment
  CHSC61566  Deschampsia elongata L. P. Janeway 1983-8-28 627 Siskiyou Siskiyou Mountains; at Poker Flat, a meadow. Northwest edge of the meadow, on the upper side of the road. 1524 Comment
  HSC92278  Deschampsia elongata Jennifer Whipple 1978-10-6 2429 Siskiyou Dale Creek drainage on N face of Mount Eddy. 2195 Comment
  POM207176  Deschampsia elongata E. B. Copeland 1903-8-19 3912 Siskiyou Mt. Eddy; On a creek bank 1372 Comment
  RSA238405  Deschampsia elongata Frederick W. Oettinger 1969-8-16 136 Siskiyou Southwest of Wiregrass Meadow, Upper English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1707 Comment
  HSC6710  Descurainia longipedicellata R. C. Wunner 1965-8-23 474 Siskiyou Lava Beds National Monument, Lava Reef burn near NW dump 1220 Comment
  CHSC48327  Descurainia sophia Vernon Oswald 1986-5-29 2067 Siskiyou Lower Klamath National Wildlife Refuge, on the tour route ca. 1.5 mi s of Hwy 161. On levees. 1245 Comment
  SBBG30503  Dicentra formosa D. Myrick 1968-6-24 2007 Siskiyou Adams Crk above Mountain Meadow Ranch, Big Flat, Coffee Crk; Trinity Alps 1828 Comment
  CAS-BOT-BC33273  Dicentra pauciflora Edward Lee Greene 1876-8-22 s.n. Siskiyou Scott Mountains Comment
  JEPS86114  Dicentra pauciflora Wayne Roderick 1966-7-23 Siskiyou Castle Lake; and higher up trail to Little Castle Lake 1676 Comment
  UC1185288  Dicentra pauciflora H. E. Brown 1897-6-15 418 Siskiyou n side Mount Shasta 1524 Comment
  CAS-BOT-BC402593  Dicentra uniflora Wm. Bridge Cooke 1938-6-24 11107 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  UC70383  Dichelostemma capitatum Milo S. Baker 1898-2-12 701 Siskiyou n slope Taylor Mt. Comment
  POM109918  Dichelostemma capitatum subsp. capitatum Geo D. Butler 1910-4-17 1192 Siskiyou Near Yreka. Comment
  CAS-BOT-BC500991  Dichelostemma multiflorum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-21 53568 Siskiyou Yreka 822 Comment
  CAS-BOT-BC501000  Dichelostemma multiflorum A. A. Heller 1905-6-1 7942 Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  CHSC4539  Dieteria canescens J. E. Bowlin 1967-7-18 51 Siskiyou Ca. 12 mi W of Mount Shasta Ski Bowl. 1066 Comment
  SD73134  Dieteria canescens Darley F. Howe 1969-8-30 Siskiyou 1.3 miles south of Weed on Highway 5. 1130 Comment
  CAS-BOT-BC299764  Dieteria canescens var. canescens M. B. Dunkle 1945-8-2 9281 Siskiyou Kings Castle, Klamath Forest 2286 Comment
  CAS-BOT-BC291018  Dieteria canescens var. shastensis Wm. Bridge Cooke 1938-8-21 11536 Siskiyou Mount Shasta. Horse Camp flats Comment
  JEPS95372  Dieteria canescens var. shastensis Vernon H. Oswald and Lowell Ahart 1994-8-10 6457 Siskiyou ca 11 mi (air) ne of McCloud (FS 41N01Y at Elk Flat, ca 1 mi N of Pilgrim creek Rd (FS 13)) 1243 Comment
  UC1223211  Dieteria canescens var. shastensis Joseph P. Tracy 1949-9-16 18564 Siskiyou 1 mi e Etna (in Scott Valley); Scott Valley 883 Comment
  UC904782  Dieteria canescens var. shastensis W. Bridge Cooke 1949-8-26 25663 Siskiyou old logging rd above Bolam Station; Mount Shasta Comment
  OBI55452  Dieteria canescens var. shastensis David J. Keil 1992-7-20 23509 Siskiyou Klamath Natl forest, SW of Fort Jones. Along forest rd 46N64, 8.2mi W of Scott river Rd Comment
  CAS-BOT-BC153651  Diplacus jepsonii Wm. Bridge Cooke 1938-7-15 11214 Siskiyou Above Bear Springs Comment
  CAS-BOT-BC153304  Diplacus kelloggii R. C. Barneby 1954-5-16 11520 Siskiyou Scott River canyon 11 1/2 miles above Scott Bar 777 Comment
  CAS-BOT-BC153450  Diplacus layneae H. D. Ripley; R. C. Barneby 1948-7-6 9634 Siskiyou Black Butte 1219 Comment
  HSC86555  Dodecatheon alpinum D. K. Imper Jul 1987 Siskiyou Marble Mtn. Wilderness Area, Haypress Meadow, 8 mi. E of Somes Bar 1372 Comment
  RSA105369  Dodecatheon alpinum G. D. Barbe 1955-7-6 126 Siskiyou Dry areas above NE shore of Taylor lake, Salmon Mtns. 1951 Comment
  HSC32161  Dodecatheon jeffreyi J. O. Sawyer 1970-6-17 2203 Siskiyou Little Duck Lake Creek 2012 Comment
  CHSC86665  Downingia bacigalupii Jenny Marr 1993-7-1 48 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  SEINET10550647 Image available Downingia bacigalupii John H. Weiler, A. P. Nelson 1960-6-24 Weiler 60205 Siskiyou In a bowl-shaped, rocky bottomed depression at the side of Dorris-Beswick road 2.7 miles southwest of the California-Oregon border. Abundant. Associated with Erynigium. Comment
  JEPS100727  Downingia cuspidata Dean W. Taylor 1991-6-12 11897 Siskiyou Adobe Flat, ca. 4 miles N of Timbered Crater 1106 Comment
  UC909358  Downingia yina Dorothy Parker 1948-7-11 100 Siskiyou above Beswick; Shovel Creek Comment
  HSC19080  Draba howellii J. O. Sawyer 1969-7-2 1021 Siskiyou Slope above Big Blue Lake 2256 Comment
  UC166132  Draba nemorosa Geo. D. Butler 1910-4-10 1162 Siskiyou near Yreka; near Yreka 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
  CAS-BOT-BC41319  Draba pterosperma G. J. Muth 1969-8-6 1191 Siskiyou Boulder Peak. 2529 Comment
  UC165379  Draba pterosperma Geo. D. Butler 1908-8-8 33 Siskiyou Marble Valley Marble Valley (crevices of Marble rocks) Comment
  RSA237377  Draba pterosperma Frederick W. Oettinger 1968-8-22 601 Siskiyou Above English Lake to Diamond Lake trail on English Lake side of pass. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2098 Comment
  JEPS53535  Draba verna Geo. D. Butler 1909-4-6 549 Siskiyou along creek near Yreka; along creek near Yreka Comment
  UC618834  Drymocallis W. Bridge Cooke 1938-6-24 11070 Siskiyou below MacBride Springs; Mount Shasta Comment
  HSC73323  Drymocallis glandulosa Gail Newton 1980-6-20 482 Siskiyou Near Bald Mtn. 1097 Comment
  UC1409375  Drymocallis glandulosa var. glandulosa Frederick W. Oettinger and R. F. Thorne 1969-8-5 1209 Siskiyou Willow Spring on English Lake trail Marble Mountain Wilderness Area, Salmon Mountains (High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area, western Siskiyou County) 1676 Comment
  POM34596  Drymocallis glandulosa var. glandulosa Geo. D. Butler 1910-5-30 1431 Siskiyou Humbug Creek. Comment
  CAS-BOT-BC159283  Drymocallis lactea var. lactea Elmer I. Applegate 1923-8-20 3910 Siskiyou West end of Medicine Lake Comment
  CAS-BOT-BC159297  Drymocallis lactea var. lactea Alice Eastwood 1921-7-24 10793 Siskiyou Castle Lake Comment
  HSC61164  Drymocallis lactea var. lactea Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  HSC67838  Drymocallis lactea var. lactea J. O. Sawyer, J. Cole 1980-7-20 3787 Siskiyou S of Grouse Hill, at N base of Badger Peak 2146 Comment
  UC1045252  Drymocallis pseudorupestris var. saxicola W. Bridge Cooke 1940-7-26 15372 Siskiyou w side Shastina; Mount Shasta, w side of Shastina Comment
  HSC25458  Drymocallis rhomboidea J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5653 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  CAS-BOT-BC113787  Dulichium arundinaceum Wayne Roderick 1981-7-5 s.n. Siskiyou Cedar Lake Comment
  UC637037  Echinochloa crus-galli Edward Lee 1934-8-10 1018 Siskiyou Klamath River, south bank between McKinney and Parkerhouse Creeks; Klamath River, South bank 609 Comment
  RSA238952  Eleocharis bella Frederick W. Oettinger 1969-8-24 1518 Siskiyou Inlet of upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  RSA238953  Eleocharis bella Frederick W. Oettinger 1969-8-15 1387 Siskiyou Inlet of upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  CHSC114083  Eleocharis decumbens Danielle Roach 2011-9-13 CLS_ 1 C Siskiyou Sundew Fen, Caldwell Lakes Basin, headwaters of Parks Creek, east slope of China Mountain; UTM Zone 10N, 537220E 4580667N. 2028 Comment
  CAS-BOT-BC227915  Elymus elymoides R. J. Mastrogiuseppe; J. D. Mastrogiuseppe 1974-9-2 171 Siskiyou West slope of ridge of Red Rock Mtn. 2133 Comment
  SEINET10929845  Elymus elymoides George D. Butler 1910-5-4 Butler 1278 Siskiyou Dry hill near Yreka. Comment
  HSC67788  Elymus elymoides var. elymoides J. O. Sawyer, J. Cole 1980-7-20 3754 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  HSC69216  Elymus elymoides var. elymoides Maralyn A. Renner 1980-7-24 2088 Siskiyou Lily Pad Lake 1768 Comment
  POM198623  Elymus multisetus Geo D. Butler 1910-5-26 1412 Siskiyou Yreka Comment
  HSC101713  Elymus repens J. P. Smith, J. O. Sawyer 2011-6-25 13262 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  CAS-BOT-BC204265  Elymus trachycaulus subsp. subsecundus David D. Keck 1949-7-20 6367 Siskiyou Meadow at Scott Mountain Summit, at Trinity County line 1633 Comment
  HSC42892  Epilobium brachycarpum Ken Stillman 1976-8-15 407 Siskiyou Clearcut at junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  HSC19480  Epilobium ciliatum subsp. ciliatum J. O. Sawyer 1969-7-9 1207 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  POM32629  Epilobium ciliatum subsp. ciliatum E. B. Copeland 1903-7-7 3548 Siskiyou Hornbrook. Comment
  RSA126051  Epilobium ciliatum subsp. ciliatum I. L. Wiggins 1955-7-22 13450 Siskiyou South Fork of Salmon River, 9.5 miles above Cecilville. 1067 Comment
  SDSU8813  Epilobium ciliatum subsp. ciliatum D. F. Howe 1972-7-5 4873 Siskiyou 0.6 mile south of Oregon state line on road to Happy Camp. 1707 Comment
  UC642538  Epilobium ciliatum subsp. glandulosum W. Bridge Cooke 1939-7-21 13701 Siskiyou above outlet of the Municipal Spring above Howard; Mount Shasta Comment
  POM248136  Epilobium clavatum W. Bridge Cooke 1939-8-8 13827 Siskiyou Dry valley of Horse Camp Creek, Mount Shasta. 2500 Comment
  UCD106287  Epilobium densiflorum Alice Eastwood 1912-7-17 1154 Siskiyou Sisson. Comment
  HSC19490  Epilobium glaberrimum subsp. fastigiatum J. O. Sawyer 1969-7-24 1514 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  UC618800  Epilobium glaberrimum subsp. glaberrimum W. Bridge Cooke 1938-7-15 11193 Siskiyou Bear Springs Meadow Mount Shasta, Bear Springs (marshy portion) Comment
  UC107989  Epilobium hallianum C. G. Pringle 1882-9-1 Siskiyou Springs of the Sacramento Comment
  UCD106497  Epilobium lactiflorum Robert E. Preston 2001-7-21 1722 a Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, N slope of Rainbow Mountain. 2066 Comment
  HSC68491  Epilobium minutum Maralyn A. Renner 1980-6-9 853 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  UCD105960  Epilobium minutum Jesse Miller 2010-1 s.n. Siskiyou Near Yreka.. 1219 Comment
  HSC29173  Epilobium oregonense Frederick W. Oettinger 1968-9-7 758 Siskiyou Marble Mtn. Wilderness Area, around Tobacco Lake 1890 Comment
  SBBG21871  Epilobium oregonense D. Myrick 1964-7-25 967 Siskiyou Panther Meadows below Ski Bowl Lodge, Mt Shasta 2346 Comment
  HSC34222  Equisetum arvense J. P. Smith 1974-5-25 7406 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC26928  Equisetum hyemale subsp. affine J. P. Smith, J. O. Sawyer 1971-9-18 4832 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  UC399180  Equisetum hyemale subsp. affine Geo. D. Butler 1909-6-22 877 Siskiyou Goosenest foothills Comment
  HSC60047  Equisetum laevigatum M. A. Baker 1978-5-20 576 Siskiyou 3 km N of Somes Bar Comment
  CAS-BOT-BC213570  Eragrostis hypnoides Carl B. Wolf 1927-8-26 1086 Siskiyou On the Klamath River, 14 mi. above Happy Camp Comment
  CAS-BOT-BC168849  Eremogone congesta var. congesta Edna Kelsey 1961-8-1 s.n. Siskiyou Shackleford Trail below Bull Meadow, Marble Mts. Comment
  CAS-BOT-BC174225  Eremogone congesta var. congesta Geo. D. Butler 1909-6-22 965 Siskiyou Goosenest Mountain Comment
  HSC81999  Eremogone congesta var. congesta Thomas W. Nelson, Jane P. Nelson 1979-6-16 4854 Siskiyou Along Hwy. 3, 3.1 mi. N of Scott Mtn. Summit 1280 Comment
  CHSC96600  Eremogone congesta var. crassula L. P. Janeway 2006-7-2 8731 Siskiyou Klamath Ranges. Salmon Mountains; near minor drainage to South Fork Scott River from the west, 1.6 km north of Carter Meadows Summit. 1728 Comment
  POM261490  Ericameria bloomeri W. Bridge Cooke 1938-9-17 11687 Siskiyou Horse Camp. Hudsonian. 2439 Comment
  UC618705  Ericameria bloomeri unknown 1938-9-17 11687 Siskiyou on the slopes around Horse Camp; Mount Shasta 2438 Comment
  CAS-BOT-BC287497  Ericameria greenei Louis C. Wheeler 1934-8-24 3220 Siskiyou Trapper Creek, Klamath Forest 1859 Comment
  CAS-BOT-BC298253  Ericameria nauseosa var. oreophila Peter H. Raven 1956-9-5 10464 Siskiyou North Fork of the Sacramento River 1828 Comment
  CAS-BOT-BC294303  Ericameria nauseosa var. speciosa Doris K. Kildale 1929-8-24 8815 Siskiyou Preston Peak 2225 Comment
  POM357567  Erigeron aliceae L. C. Wheeler 1934-7-3 2855 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. (Mt. Diablo Mer.) 1676 Comment
  UC1409461  Erigeron aliceae F. W. Oettinger and R. F. Thorne 1969-8-4 1185 Siskiyou meadow n of Tobacco Lake; Salmon Mts., English Peak area, Red Fir Forest 1889 Comment
  CAS-BOT-BC293506  Erigeron aliceae Elmer I. Applegate 1923-9-7 3950 Siskiyou Doggett Ridge, Siskiyou Mountains. Klamath River watershed Comment
  CDA4409  Erigeron annuus F. D. Horn 1980-7-2 Siskiyou Indian Creek Road, just above Catholic Church, Happy Camp. 0 Comment
  HSC92420  Erigeron bloomeri var. bloomeri Jennifer Whipple 1976-6-30 1197 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  JEPS105428  Erigeron cervinus Dean W. Taylor 1996-7-12 15789 Siskiyou Salmon Mountains; Patterson Creek drainage (about 5 air miles west of Etna); Klamath National Forest 1371 Comment
  JEPS125959  Erigeron cervinus D. W. Taylor 1996-6-18 15699 Siskiyou Shasta-Trinity National Forest; Marble Mountains; drainage of Kidder Creek; cliffs on deeply incised canyon of Kidder Creek about 2 miles w of Scott Valley. Comment
  JEPS84321  Erigeron cervinus L. R. Heckard with J. Hickman et al. 1986-7-17 6477 Siskiyou above and w of Lily Pad Lake (ca 5 mi n of town of Seiad Valley) Comment
  RSA790073  Erigeron cervinus Rebecca Wenk 2006-9-2 546 Siskiyou Trail to Caribou Lakes from Big Flat Meadow. 1951 Comment
  CAS-BOT-BC300431  Erigeron elegantulus L. E. Smith 1915-7-29 s.n. Siskiyou Bray Comment
  RSA17741  Erigeron elegantulus Elmer I. Applegate 1935-6-11 9494 Siskiyou Upper Ice Cave, south end of big lava flow, Lava Beds National Monument Comment
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Feb 6 2015
  HSC44706  Erigeron foliosus var. confinis J. O. Sawyer, E. Cope 1977-6-18 2898 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  CAS-BOT-BC300858  Erigeron glacialis var. glacialis Gilbert Muth 1966-7-24 446 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC300862  Erigeron glacialis var. glacialis John Thomas Howell 1937-7-25 13466 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC295460  Erigeron klamathensis Louis C. Wheeler 1934-8-6 3056 Siskiyou Rock Gulch off Jaynes Canyon, Siskiyou Mts. 1828 Comment
  CAS-BOT-BC295815  Erigeron petrophilus var. viscidulus Ira L. Wiggins 1955-7-27 13560 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  UC1190269  Erigeron petrophilus var. viscidulus Ira L. Wiggins 1955-7-27 13560 Siskiyou Caribou Lake Salmon-Trnity Alps Primitive Area, Caribou Lake 2042 Comment
  CAS-BOT-BC300096  Erigeron philadelphicus Alice Eastwood 1912-7-17 s.n. Siskiyou Sisson Comment
  RSA50220  Erigeron philadelphicus E. K. Balls 1949-7-9 13927 Siskiyou 3.1 miles from Etna on road to Sawyer's Bar 915 Comment
  JEPS107653  Erigeron philadelphicus var. philadelphicus Lowell Ahart, John Dittes 2005-6-10 12082 Siskiyou South 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
  JEPS24812  Erigeron philadelphicus var. philadelphicus Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6823 Siskiyou 7 mi e Callahan 1127 Comment
  UC1190271  Erigeron philadelphicus var. philadelphicus Ira L. Wiggins 1955-7-25 13506 Siskiyou Mountain View Ranch, ditch head on Rush Creek Rush Creek 1005 Comment
  UC455839  Erigeron philadelphicus var. philadelphicus I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  CAS-BOT-BC300114  Erigeron pumilus var. intermedius L. E. Smith 1913-5-18 268 Siskiyou Gazelle Comment
  UC1212588  Erigeron strigosus var. septentrionalis Francia Chisaki and Helen Sharsmith 1960-8-20 4739 Siskiyou on Wildcat Creek road ca 4 mi w Callahan; Inner North Coast Ranges 1066 Comment
  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
  HSC68481  Eriodictyon californicum Maralyn A. Renner 1980-1 817 Siskiyou Slopes N of Moffett Creek 945 Comment
  SBBG17643  Eriodictyon californicum M. A. Piehl 1956-8-14 Siskiyou rd near Happy Camp Comment
  UCD13254  Eriodictyon lobbii K. F. Mawdsley 1996-7-9 5 Siskiyou California, Siskiyou County, Russian Wilderness in Klamath National Forest. Eaton-Duck Lakes Trailhead. T40N, R9W, southwest 1/4 of Section 18, Eaton Peak 7.5' topo. Along dirt road. Elev. 5000. Comment
  SEINET5328996  Eriogonum compositum G. Butler 1910-5-21 1378 Siskiyou Klamath hills Comment
  JEPS95825  Eriogonum compositum var. compositum Vernon H. Oswald and L. Ahart 1999-7-5 9803 Siskiyou Gazelle-Callahan Hwy. 11.1 mi west of Gazelle, 0.4 mi east of summit of Gazelle Mtn.: T42N R7W Sect. 34, 3800 ft, oak woodland 1158 Comment
  CAS-BOT-BC250068  Eriogonum compositum var. compositum Lewis S. Rose 1945-6-23 45179 Siskiyou Junction of Shasta River & Klamath River 624 Comment
  RSA237770  Eriogonum compositum var. compositum Frederick W. Oettinger 1968-8-23 614 Siskiyou Diamond Lake spillway on way to English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2058 Comment
  JEPS116585  Eriogonum congdonii Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -028 Siskiyou The Eddys, west of Mt. Shasta. East of Toad Lake trailhead, terminus of Forest Service Rd 40N64 headwaters of Middle Fork of upper Sacramento River. Mt. Eddy 2051 Comment
  HSC30225  Eriogonum diclinum William J. Ferlatte 1971-9-18 1378 Siskiyou Caribou Basin 2104 Comment
  SEINET6179443  Eriogonum diclinum James L. Reveal, Mark L. Reveal 1975-8-15 3856 Siskiyou Siskiyou Mountains, Klamath National Forest, along the Dry Lake Lookout Road (Forest Service Road 40S01), 0.5 mi W of Dry Lake Lookout near the Buckthorn Trail.; 0 2042 Comment
  CHSC1318  Eriogonum douglasii var. meridionale V. Holt 1943-8-7 Siskiyou Marble Mountains. 2164 Comment
  UC77428  Eriogonum elatum Dr. E. B. Copeland 1903-7-3 3525 Siskiyou Klamathon Comment
  CAS-BOT-BC261212  Eriogonum hirtellum D. F. Howe 1962-8-4 s.n. Siskiyou Baldy Mt. 1432 Comment
  HSC82206  Eriogonum marifolium Thomas W. Nelson, Jane P. Nelson 1980-7-5 5972 Siskiyou Fowler's Campground 1006 Comment
  JEPS56782  Eriogonum marifolium Willis L. Jepson 1894-8-4 Siskiyou near, Mt. Shasta snow line; Mt. Shasta Comment
  CAS-BOT-BC263189  Eriogonum marifolium var. cupulatum A. A. Heller 1914-8-28 11741 Siskiyou East side of Mt. Eddy 2194 Comment
  CHSC69083  Eriogonum marifolium var. cupulatum Vernon Oswald; Lowell Ahart 1997-7-28 8782 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. 1755 Comment
  CAS-BOT-BC263192  Eriogonum marifolium var. cupulatum G. A. Coleman 1901-8-17 s.n. Siskiyou On Red Butte, Mt. Shasta 2560 Comment
  CAS-BOT-BC267391  Eriogonum marifolium var. marifolium Wm. H. Brewer 1862-9-13 s.n. Siskiyou Mount Shasta 2743 Comment
  SEINET7064425  Eriogonum nudum var. nudum A. G. Vestal 1955-5-16 s.n. Siskiyou Serpentine ca. 6.2 miles northwest of weed. (NAD83/WGS84). UTM Zone 10, 543207mE, 4591515mN. 902 Comment
  CDA30918  Eriogonum nudum var. oblongifolium M. Beyers, G. F. Hrusa 2010-8-18 695 Siskiyou Highway 96; Sluice Box Klamath River Access. 556 Comment
  CAS-BOT-BC272472  Eriogonum nudum var. pubiflorum Elmer I. Applegate 1935-8-3 10009 Siskiyou At north base of Caldwell Butte, Lava Beds National Monument Comment
  CAS-BOT-BC272465  Eriogonum nudum var. pubiflorum G. P. Rixford No date on label s.n. Siskiyou South side of Shaft Rock Mt., Hilt Comment
  SEINET530696  Eriogonum pyrolifolium Paul Opler 2008-7-8 Siskiyou Panther Meadows. 2438 Comment
  CHSC67580  Eriogonum siskiyouense James D. Jokerst 1992-7-30 3415 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. [no additional location data; W of Interstate 5? V. Oswald] Comment
  HSC40981  Eriogonum strictum var. greenei J. O. Sawyer 1975-7-15 2697 Siskiyou 11 mi. W of Ft. Jones along SR 3 Comment
  CAS-BOT-BC263383  Eriogonum strictum var. proliferum A. A. Heller 1918-7-16 13028 Siskiyou Mt. Eddy, west of Sisson 2651 Comment
  CAS-BOT-BC263397  Eriogonum strictum var. proliferum Alice Eastwood 1912-8-30 2008 Siskiyou Mount Eddy Comment
  HSC43453  Eriogonum strictum var. proliferum Jennifer Whipple 1976-9-3 1772 Siskiyou Near Little Crater Lake 2195 Comment
  UC1072717  Eriogonum strictum var. proliferum Douglas Barbe 1955-6-28 12 Siskiyou 0.3 mi n Callahan; Klamath Mountains 1005 Comment
  HSC69206  Eriogonum umbellatum Maralyn A. Renner 1980-9-1 2679 Siskiyou Bear Mtn. 1936 Comment
  CAS-BOT-BC267942  Eriogonum umbellatum Maralyn A. Renner 1980-6-24 1059 Siskiyou Klamath National Forest. Ridge 1/2 mile east of Cook and Green Pass 1554 Comment
  HSC43413  Eriogonum umbellatum var. argus K. T. Stillman 1976-7-31 350 Siskiyou Marble Mountain Wilderness Area: N from Black Mtn. towards Jump off point. 210 Comment
  RSA237776  Eriogonum umbellatum var. argus Frederick W. Oettinger 1969-8-19 1450 Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2043 Comment
  UC1282017  Eriogonum umbellatum var. argus Louise Kellogg Aug 8 1953-Aug 9 1953 114 Siskiyou Scott Mountain Public Campground Scott Mountains, Klamath National Forest 1630 Comment
  HSC162  Eriogonum umbellatum var. dumosum William J. Ferlatte 1966-8-2 240 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  HSC43429  Eriogonum umbellatum var. humistratum Jennifer Whipple 1976-9-3 1774 Siskiyou E facing slopes near Little Crater Lake 2195 Comment
  RSA0033766  Eriogonum umbellatum var. humistratum Barbara Ertter 1990-7-14 9327 Siskiyou Wagon Creek on E side of Mt. Eddy, ca. 4 airmiles W of Mt. Shasta City; open rocky dry ridge S of & above creek. 1950 Comment
  CHSC1336  Eriogonum umbellatum var. modocense K. Jaekel 1939-6-25 Siskiyou Castle Lake. 1981 Comment
  UC83633  Eriogonum umbellatum var. modocense Dr. E. B. Copeland 1903-7-6 3496 Siskiyou Hornbrook Comment
  CAS-BOT-BC265197  Eriogonum umbellatum var. nevadense J. M. Tucker; L. K. Mann 1963-8-18 3761 Siskiyou Between Marble and southwest ridge of Black Mountain, Marble Mountain Wilderness Area 2103 Comment
  RSA11905  Eriogonum umbellatum var. speciosum Elmer I. Applegate 1923-9-7 3961 Siskiyou Rocky summit of the Siskiyou Mountains, above Dry Lake Ranger Station. Comment
  CAS-BOT-BC262181  Eriogonum umbellatum var. versicolor J. Sawyer; J. Cole 1980-7-20 3793 Siskiyou East side of Grouse Hill Comment
  CAS-BOT-BC262380  Eriogonum vimineum H. E. Brown 1897-8-1 600 Siskiyou South side Mt. Shasta 3048 Comment
  CAS-BOT-BC376589  Eriophorum crinigerum Andrew Townesmith; Karen M. Meyer 2007-8-1 883 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway) 1983 Comment
  HSC69054  Eriophorum crinigerum Maralyn A. Renner 1980-8-6 2312 Siskiyou Cracker Meadow 1555 Comment
  RSA238941  Eriophorum crinigerum Frederick W. Oettinger 1968-9-7 754 Siskiyou Local on shistose rock of the Hancock Lake outlet falls surrounded by running water. Open site on NE end of Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  HSC46191  Eriophyllum lanatum Jennifer Whipple 1977-4-30 1878 Siskiyou Scott Valley near Weston Gulch 854 Comment
  POM302176  Eriophyllum lanatum Ynez Whilton Winblad 1941-6-20 s.n. Siskiyou Between Weed and Yreka Comment
  CAS-BOT-BC301139  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-7-6 E 120 Siskiyou 5 miles s. of Bray Comment
  UC163918  Eriophyllum lanatum var. achilleoides unknown 1910-5-4 1279 Siskiyou dry hill near Yreka Comment
  POM55441  Eriophyllum lanatum var. achilleoides Copeland 1903-7-6 3549 Siskiyou Hornbrook Comment
  UC507182  Eriophyllum lanatum var. grandiflorum Lincoln Constance 1928-6-1 Siskiyou s of Weed Comment
  CAS-BOT-BC308279  Eriophyllum lanatum var. integrifolium J. R. Hall 1912-7-3 73 H Siskiyou Klamath Forest 1219 Comment
  HSC39825  Eriophyllum lanatum var. lanceolatum J. O. Sawyer 1969-7-24 1504 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  POM301745  Eriophyllum lanatum var. lanceolatum Marion Ownbey, Fred G. Meyer 1940-7-4 2174 Siskiyou Siskiyou Mts. Northwest of Hornbrook. Comment
  SBBG16530  Eriophyllum lanatum var. lanceolatum D. Myrick 1961-6-20 274 Siskiyou near Mt Shasta City 1066 Comment
  UC1409449  Eriophyllum lanatum var. lanceolatum Frederick W. Oettinger 1969-8-18 1435 Siskiyou ne Horse Range Lake (w Siskiyou County, high lake basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1821 Comment
  UCD132196  Eriophyllum lanatum var. lanceolatum J. M. Tucker; L. K. Mann 1963-8-18 3763 Siskiyou On top of saddle, between Marble and southwest ridge of Black Mountain, Marble Mountain Wilderness Area. 2103 Comment
  UC375422  Erodium cicutarium Geo. D. Butler 1908-6-24 1032 Siskiyou Yreka Comment
  CHSC39011  Eryngium alismifolium J. D. Jokerst 1983-7-6 1835 Siskiyou The east edge of a narrow north-south oriented meadow. Comment
  UC1094384  Eryngium articulatum R. C. Bacigalupi with S. Galen Smith June 1957 5972 Siskiyou ca. 2 mi. n. Weed (along Hwy. 99) 1036 Comment
  CAS-BOT-BC54572  Erysimum capitatum John Thomas Howell 1939-8-2 14883 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC54575  Erysimum capitatum L. E. Smith 1913-5-25 280 Siskiyou Gazelle. Comment
  HSC64095  Erysimum capitatum var. capitatum J. P. Smith 1973-5-5 6484 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC74908  Erysimum capitatum var. capitatum J. P. Smith 1978-7-1 9958 Siskiyou Klamath National Forest, Baker Cypress Grove 854 Comment
  SEINET14378928  Erythranthe W. Roderick, D. Parker 1967-7-25 s.n. Siskiyou Cabin Meadow. 1829 Comment
  CAS-BOT-BC502725  Erythronium grandiflorum Harley P. Chandler 1901-6-1 1619 Siskiyou Ridges and Meadows near Marble Mountain 2133 Comment
  CAS-BOT-BC505226  Erythronium grandiflorum A. M. Vollmer; L. Beane 1951-6-2 85 Siskiyou Happy Camp, Klamath River Highway Comment
  RSA184803  Erythronium grandiflorum subsp. grandiflorum Gilbert Muth 1966-7-8 350 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  HSC67492  Eschscholzia californica J. P. Smith, Steve Selva 1970-6-15 3941 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  CAS-BOT-BC403673  Eschscholzia californica W. R. Ernst 1958-8-11 301 Siskiyou Town of Mt. Shasta, between Highway 99 and railroad station Comment
  HSC92687  Eucephalus glabratus Jennifer Whipple 1977-8-4 2158 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2226 Comment
  UC166575  Eucephalus glabratus Geo. D. Butler 1908-8-7 295 Siskiyou Whiskey Camp Independence Creek Comment
  RSA0024549  Eucephalus ledophyllus var. covillei William J. Ferlatte 1967-8-23 1108 Siskiyou Head of Kidd Creek. 2134 Comment
  HSC22125  Eucephalus ledophyllus var. ledophyllus J. O. Sawyer 1969-8-5 1934 Siskiyou N of S Sugar Lake 1890 Comment
  SD215493  Euphorbia maculata Louis C. Wheeler 1963-8-23 8266 Siskiyou Klamath River: Walker (near Oak Knoll) Comment
  CAS-BOT-BC310629  Eurybia radulina L. E. Smith 1913-7-24 486 Siskiyou McCloud Comment
  JEPS22446  Euthamia occidentalis Geo. D. Butler 1908-9-25 500 Siskiyou between Yreka and Montague Yreka; Shasta River Comment
  SEINET957942  Fabaceae G. D. Butler 1910-1 1441 Siskiyou Dry banks near Guka. Comment
  CAS-BOT-BC278727  Festuca idahoensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11797 Siskiyou Scott Mountain Road south of Callahan Comment
  HSC30510  Festuca idahoensis Frederick W. Oettinger 1968-8-8 452 Siskiyou Marble Mtn. Wilderness Area, Crapo Meadow 2165 Comment
  RSA582090  Festuca idahoensis L. C. Wheeler 1934-6-10 2678 Siskiyou North Hungry Creek. Siskiyou Mountains. 1311 Comment
  UC1483448  Festuca idahoensis J. Sawyer and J. Cole 1980-7-22 3944 Siskiyou nw slopes Cedar Mt.; Klamath National Forest, Bray Quad., Cedar Mt. 1524 Comment
  UCD65971  Festuca idahoensis A. A. Beetle; G. L. Stebbins Jr. 1942-5-30 3383 Siskiyou 2 miles south of Doris, on Hwy. 97. Comment
  CAS-BOT-BC278879  Festuca occidentalis Roxana S. Ferris; Laura Lorraine 1948-6-12 11744 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  HSC19060  Festuca occidentalis J. O. Sawyer 1969-7-23 1174 Siskiyou Near Horse Range Creek. 1341 Comment
  HSC24695  Festuca occidentalis J. O. Sawyer 1969-6-12 912 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  HSC73061  Festuca occidentalis Gail Newton 1980-6-20 444 Siskiyou Near Bald Mtn. 1097 Comment
  UC197110  Festuca pratensis Geo. D. Butler 1908-7-1 473 Siskiyou near Yreka Comment
  UCR64442  Festuca pratensis L. C. Wheeler 1934-6-22 2750 Siskiyou Siskiyou Mtns., Cottonwood Creek 915 Comment
  UCD66261  Festuca roemeri H. S. Yates 1936-6-21 5826 Siskiyou N base of Wintoon Butte. 1219 Comment
  SEINET10559490  Festuca subulata A. Arthur Heller 1916-7-20 Heller 12466 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in opening in the forest, 3900 Comment
  CAS-BOT-BC282570  Festuca viridula Gilbert Muth 1969-8-6 1178 Siskiyou Boulder Peak 2529 Comment
  JEPS80531  Festuca viridula Gilbert Muth 1966-7-17 403 Siskiyou trail to Marble Mountain Wilderness Area 1828 Comment
  CAS-BOT-BC453509  Fragaria Elmer I. Applegate 1923-8-20 3911 Siskiyou Medicine Lake Comment
  HSC36713  Fragaria vesca Brent Whitely 1975-7-3 135 Siskiyou 1220 Comment
  SBBG2922  Fragaria virginiana H. and M. Dearing 1938-6-28 2183 Siskiyou side of Mt Shasta rd to Wagon Camp 1524 Comment
  CAS-BOT-BC55715  Frangula rubra subsp. obtusissima Alice Eastwood 1921-7-31 11013 Siskiyou Shasta Springs Comment
  CAS-BOT-BC376592  Fraxinus dipetala Andrew Townesmith; Karen M. Meyer 2007-8-3 894 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along state route 96, 5.2 miles west of National Forest boundary. Vicinity of Cayuse Day Use Area 576 Comment
  HSC76991  Fritillaria atropurpurea K. T. Stillman 1976-6-25 69 Siskiyou Marble Mountain Wilderness Area. 1829 Comment
  UC454407  Fritillaria atropurpurea I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat (Summit of Mount Bradley); Mount Bradley 1828 Comment
  CAS-BOT-BC502844  Fritillaria atropurpurea Ira L. Wiggins 1950-5-28 12382 -A Siskiyou Serpentine ridge just above Grouse Lake (headwaters of Grouse Creek) 1737 Comment
  RSA256720  Fritillaria atropurpurea J. P. Smith 1974-5-26 7558 Siskiyou Along Forest Service Road 47N03 1524 Comment
  CAS-BOT-BC506206  Fritillaria pudica Geo. D. Butler 1910-3-11 1121 Siskiyou Yreka hills 914 Comment
  CAS-BOT-BC506208  Fritillaria pudica Ellsworth Bethel 1923-4-21 s.n. Siskiyou Fall River Mills Comment
  UC673166  Fritillaria recurva Lincoln Constance, Reed C. Rollins 1942-5-14 2925 Siskiyou 4 mi w of Yreka (Road to Walker Post Office); Klamath-Siskiyou Region 1219 Comment
  RSA289933  Fritillaria recurva Geo D. Butler 1909-4-14 596 Siskiyou Humbug Comment
  HSC68373  Galium aparine J. P. Smith 1973-5-5 6374 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  JEPS25596  Galium aparine Rimo Bacigalupi 1959-7-2 7228 Siskiyou just s Trinity Co. boundary (<Co. boundary is low divide separating Coffee Creek drainage from that of the Salmon River>); Caribou Mtn., Salmon River, Coffee Creek, Big Flat Campgroun 1508 Comment
  UC164089  Galium aparine Geo. D. Butler 1908-7-19 1000 Siskiyou Humbug Creek Comment
  HSC68323  Galium aparine J. P. Smith, Steve Selva 1970-6-14 3859 Siskiyou Comment
  RSA238877  Galium aparine Frederick W. Oettinger 1969-8-1 1131 Siskiyou N of Wire Grass Meadow. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1677 Comment
  JEPS25629  Galium bifolium Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7267 Siskiyou Poker Flat 1536 Comment
  RSA610764  Galium bifolium Louis C. Wheeler 1935-6-27 3597 Siskiyou Marble Mountains: Etna Creek. 1524 Comment
  CHSC71603  Galium bolanderi Vernon Oswald; Lowell Ahart 1998-8-3 9412 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.5 mi southeast of Gazelle-Callahan Rd. 1493 Comment
  HSC39826  Galium bolanderi J. O. Sawyer 1969-7-25 1528 Siskiyou SE facing slope W of Sugar Lake 1845 Comment
  HSC43048  Galium bolanderi J. O. Sawyer, Ken Stillman 1976-7-1 2771 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  CHSC63611  Galium boreale subsp. septentrionale Vernon Oswald; Lowell Ahart 1994-8-10 6459 Siskiyou FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi W of Harris Spring Rd. (FS15), ca. 4 mi (air) NNE of Bartle. . 1359 Comment
  SD211695  Galium glabrescens Barbara Ertter 1990-7-14 9329 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4.0 airmiles west of Mt. Shasta City. 1890 Comment
  HSC19300  Galium triflorum J. O. Sawyer 1969-7-23 1449 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1341 Comment
  CAS-BOT-BC200583  Garrya buxifolia Doris K. Kildale 1929-7-20 8627 Siskiyou Trail along South Fork Indian Creek to Elk Lick Comment
  HSC19179  Garrya buxifolia J. O. Sawyer 1968-9-11 698 Siskiyou Slopes above Twin Valley 1463 Comment
  CAS-BOT-BC182154  Garrya fremontii Baki Kasapligil 1981-7-26 6189 Siskiyou Between road junction going to Bolan Lake (glacier lake) Comment
  HSC31327  Garrya fremontii K. L. Chambers 1967-6-22 2848 Siskiyou About 500 ft. above and E of the freeway (Hwy. 5 ) at the Hilts exit, Siskiyou Pass 1098 Comment
  CAS-BOT-BC182248  Garrya fremontii J. H. Thomas 1954-5-13 4162 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles woutheast of Cecilville 1127 Comment
  JEPS66597  Gaultheria ovatifolia W. L. Jepson 1907-7-10 2878 Siskiyou Klamath Range near Preston Peak (Kelsey Trail, w Siskiyou County); Klamath Range, Kelsey Trail Comment
  CAS-BOT-BC478506  Gayophytum C. G. Pringle 1881-8-17 s.n. Siskiyou Mount Shasta 2438 Comment
  JEPS40900  Gayophytum diffusum subsp. parviflorum Paul C. Hutchison 1962-8-3 946 Siskiyou just e Paint Pot Crater (between Grasshopper Flat and Little Medicine Lake) 1783 Comment
  UC718018  Gayophytum diffusum subsp. parviflorum Carl B. Wolf 1934-7-4 5940 Siskiyou Horse Creek-Dry Lake Lookout Siskiyou Mts., Klamath River (13 1/2 mi from Horse Creek Bridge) 1524 Comment
  CDA38117  Gayophytum diffusum subsp. parviflorum T. R. Haig & F. D. Horn 1979-7-26 s.n. Siskiyou Access road at Alder Creek, near Bray. 0 Comment
  HSC68980  Gayophytum heterozygum Maralyn A. Renner 1980-7-24 2062 Siskiyou Lily Pad Lake 1768 Comment
  RSA625174  Gentiana calycosa Louis C. Wheeler 1963-8-25 8270 Siskiyou South side of Preston Peak: Rattlesnake Meadow. Comment
  UC1278073  Gentiana plurisetosa Alfred H. Murphy 1954-8-11 54 C Siskiyou Round Meadow Klamath National Forest 1676 Comment
  SEINET191268  Gentiana setigera C. C. Harris, S. K. Harris 1939-8-29 976 Siskiyou Marble Mt. Wld Area; Half Moon Meadow. 1670 Comment
  SEINET6744749 Image available Gentiana setigera C. C. Harris, S. K. Harris 1939-8-29 976 Siskiyou Half Moon Meadow, Marble Mountian Primitive Area, Calfornia Comment
  HSC45988  Gilia capitata J. P. Smith 1973-5-5 6545 Siskiyou Scott Bar along the Scott River Comment
  HSC61790  Gilia capitata Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC46241  Gilia capitata Jennifer Whipple 1978-6-5 2324 Siskiyou Weston Gulch in Scott Valley 854 Comment
  UC125965  Gilia capitata subsp. capitata A. A. Heller 1905-6-20 8081 Siskiyou Gazelle Comment
  UC637163  Gilia capitata subsp. capitata Edward Lee 1934-8-14 1098 Siskiyou near summit Little Grayback (Siskiyou-Del Norte County line) 1859 Comment
  HSC30424  Gilia capitata subsp. capitata Frederick W. Oettinger 1968-8-16 536 Siskiyou Marble Mtn. Wilderness Area, Red Hill N of Hancock Lake 2058 Comment
  SBBG29118  Glyceria borealis L. C. Wheeler 1934-6-26 2797 Siskiyou Cottonwood Crk 838 Comment
  CAS-BOT-BC282717  Glyceria elata Wm. Bridge Cooke 1937-8-6 9209 Siskiyou Bear Springs, Mount Shasta 1524 Comment
  HSC67700  Glyceria elata Maralyn A. Renner 1980-8-20 2536 Siskiyou S Fork Salmon River at Big Flat 1524 Comment
  SEINET10792341  Glyceria elata A. Arthur Heller 1916-7-20 Heller 12465 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. In wet ground near a spring in the forest, the trees Douglas fir, white fir and incense cedar. 1158 Comment
  HSC31076  Glyceria striata Frederick W. Oettinger 1969-9-4 1651 Siskiyou Salmon Mtns., Tobacco Lake. 1890 Comment
  HSC69215  Glyceria striata Maralyn A. Renner 1980-7-24 2087 Siskiyou Lily Pad Lake 1768 Comment
  CAS-BOT-BC302670  Gnaphalium palustre Doris K. Kildale 1928-7-25 5896 Siskiyou Klamath River at Mack's Creek near Hamburg Comment
  UCD132457  Gnaphalium palustre John M. Tucker 1974-7-28 4330 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  RSA237525  Gnaphalium palustre Frederick W. Oettinger 1969-9-4 1627 Siskiyou East side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1951 Comment
  RSA237528  Gnaphalium thermale Frederick W. Oettinger 1969-8-19 1449 Siskiyou Ridge from Arrow Peak to King David Peak, English Lake Basin; High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  HSC19398  Goodyera oblongifolia J. O. Sawyer 1968-9-13 718 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  HSC19435  Goodyera oblongifolia J. O. Sawyer 1969-8-11 2004 Siskiyou Along S French Creek 1692 Comment
  POM215865  Gratiola ebracteata Louis C. Wheeler 1935-6-13 3570 Siskiyou Greenview, Scott Valley. 884 Comment
  CAS-BOT-BC314628  Grindelia hirsutula R. E. Frenkel 1964-10-2 869 Siskiyou On the south-west side of Everett Memorial Highway near Mount Shasta 1642 Comment
  CAS-BOT-BC388471  Gypsophila paniculata T. C. Fuller 1963-8-27 11160 Siskiyou N. limits of Macdoel Comment
  JEPS109777  Gypsophila paniculata var. paniculata D. W. Taylor 2002-7-27 18276 Siskiyou Weed (town), on far western end of town along the old highway to Yreka. Comment
  JEPS2565 Image available Hackelia californica C. G. Pringle 1881-8-23 Siskiyou Mount Shasta Comment
  SBBG16536  Hackelia californica D. Myrick 1961-6-19 264 Siskiyou rd to Mt Shasta Ski Bowl 1828 Comment
  RSA68887  Hackelia californica A. E. Culbertson 1943-7-3 69 Siskiyou Castle Lake, 14 miles s.w. of Mt. Shasta on n. side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  CAS-BOT-BC231152  Hackelia cusickii Gary Schoolcraft 1985-6-18 1432 Siskiyou Mahogany Mountains 1584 Comment
  UC1713303  Hackelia micrantha Milo S. Baker 1893-8-9 Siskiyou Medicine Lake Comment
  SEINET12281175  Hackelia setosa J. P. Tracy 1951-1 19470 Siskiyou Near Oregon-California state line, on the Takilma-Happy Camp Road Comment
  SBBG111489  Hastingsia alba J. M. Tucker, L. K. Mann 1963-7-7 3722 Siskiyou ca. 0.25 mi N of Paradise Lake, Marble Mtn Wilderness 1981 Comment
  UC3685  Hastingsia alba Brewer Sept. 1862 1421 Siskiyou Mount Shasta 2438 Comment
  CAS-BOT-BC504600  Hastingsia alba W. R. Dudley 1899-8-26 s.n. Siskiyou Upper Sacramento Comment
  CAS-BOT-BC504617  Hastingsia alba Louis C. Wheeler 1934-7-3 2845 Siskiyou Klamath Forest, Soda Creek 1524 Comment
  CAS-BOT-BC508656  Hastingsia alba L. E. Smith 1913-6-18 373 Siskiyou Between Sisson and Castle Lake Comment
  POM169177  Hastingsia alba E. B. Copeland 1903-9-7 3877 Siskiyou Mount Eddy 1829 Comment
  SEINET8480288  Hastingsia alba G. D. Butler 1910-6-5 1482 Siskiyou Shackleford Creek. Comment
  RSA530395  Hazardia whitneyi var. discoidea W. D. Clark, L. E. Urbatsch 1974-9-26 1153 Siskiyou 18.0 miles N of Hwy 96 on Forestry Rd 40501. 2134 Comment
  CAS-BOT-BC306351  Helenium Alice Eastwood 1912-7-15 1088 Siskiyou McCloud Comment
  CHSC71564  Helenium bigelovii Vernon H. Oswald; Lowell Ahart 1998-8-3 9414 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 41N10. Roadside. 1554 Comment
  CAS-BOT-BC306748  Helenium bigelovii H. A. Thomas; J. H. Thomas 1954-7-23 4454 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Growing between Mt. View Cabin and S. Fork of Salmon River 914 Comment
  SEINET11848913  Helenium bigelovii Unknown 1953-1 122 Siskiyou Scott Mountains, Scott Mountain Public Campground, Klamath National Forest 1631 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
  CAS-BOT-BC305473  Helianthus annuus Carl B. Wolf 1927-8-26 1053 Siskiyou On the Klamath River, 3 mi. below Gottville Comment
  UC195378  Helianthus bolanderi A. A. Heller 1916-9-1 12640 Siskiyou treeless plains near Yreka Comment
  UC61689  Helianthus bolanderi Geo. B. Grant 1902-9-1 5207 Siskiyou Dunsmuir Mount Shasta, Dunsmuir 609 Comment
  UC166237  Helianthus cusickii Geo. D. Butler 1909-4-7 637 Siskiyou mountain side nw Yreka Comment
  JEPS84217  Hemitomes congestum L. R. Heckard with J. Hickman et al. 1986-7-17 6449 Siskiyou Cook and Green Pass ca. 5 mi N of the town of Seiad Valley 1465 Comment
  JEPS75211  Hemitomes congestum W. B. & V. G. Cooke 1975-9-3 50497 Siskiyou Ash Creek area below timberline East side of Mt. Shasta 2286 Comment
  CAS-BOT-BC313448  Hemizonella minima Elmer I. Applegate 1935-6-8 9418 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  POM211204  Heracleum maximum L. C. Wheeler 1934-7-5 2881 Siskiyou Dear Creek, Sterling Mountain, Siskiyou Mountains 1677 Comment
  JEPS24011  Hesperolinon micranthum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6872 Siskiyou along the road 4.7 mi below (n of) Scott Mtn. (road summit, just s of and above Callahan) 1127 Comment
  UC890667  Heterocodon rariflorum A. A. Heller 1916-6-20 12410 Siskiyou ne base Mt. Eddy (Metcalf's ranch) 1188 Comment
  RSA238408  Heterocodon rariflorum Frederick W. Oettinger 1969-8-18 1427 Siskiyou Due N of Horse Range Lake outlet. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  JEPS125901  Heterotheca oregona var. rudis Dean W. Taylor 1996-7-23 15817 Siskiyou Klamath National Forest; Patterson Creek headwaters, ca 6 air miles NW of Etna Comment
  RSA507769  Heterotheca oregona var. rudis J. C. Semple, S. Heard 1986-8-16 8496 Siskiyou SE of Etna. On road to Gazelle, just NE of CA 3, 9.8 km S or road to Kangaroo Lake. Comment
  CAS-BOT-BC210242  Heterotheca villosa var. minor Dana York 2011-8-12 3049 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain ridge 2055 Comment
  JEPS94695  Heterotheca villosa var. minor Vernon H. Oswald and Lowell Ahart 1998-9-8 9607 Siskiyou 2 air mi nw of Indian Springs Mountain (USFS 3 0.1 mi w of Julia Glover Flat, 6 air mi w of Mosquito Lake and Whitehorse Flat Reservoir) 1127 Comment
  HSC76961  Heterotheca villosa var. minor K. T. Stillman 1976-9-9 467 Siskiyou Marble Mtn. Wilderness Area; Marble Valley Guard Station 1738 Comment
  JEPS84316  Heterotheca villosa var. minor L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6324 Siskiyou 1/2 air mi from Red Butte (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass) 1850 Comment
  CHSC99993  Heuchera merriamii L. P. Janeway 2008-7-26 9507 Siskiyou Klamath Ranges. Between Castle Crags, Trinity Mountains, and The Eddys; about 200 m west-southwest of Heart Lake and about 0.8 km south of Castle Lake. 1901 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-BC424176  Heuchera micrantha var. erubescens Alice Eastwood 1923-5-18 11842 Siskiyou Shasta Springs Comment
  UC455375  Heuchera micrantha var. erubescens I. J. Condit 1911-7-4 Siskiyou Shasta Retreat Comment
  RSA0066217  Heuchera micrantha var. erubescens Frederick W. Oettinger 1969-8-12 1344 Siskiyou 0.25 mile up from Abbott s Lower Cabin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1189 Comment
  RSA0063199  Heuchera micrantha var. micrantha Frederick W. Oettinger 1969-9-4 1664 Siskiyou S side of Tobacco Lake Basin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtns Wilderness Area. 1829 Comment
  CAS-BOT-BC319695  Hieracium albiflorum Alice Eastwood 1921-7-30 10995 Siskiyou Soda Creek Comment
  HSC67805  Hieracium horridum J. O. Sawyer, J. Cole 1980-7-22 3962 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  JEPS36582  Hieracium nudicaule Duncan Dunning 1921-7-16 Siskiyou nw of Hambone (se Siskiyou County); Toad Mountain Comment
  JEPS82132  Hieracium nudicaule Rimo Bacigalupi 1959-7-2 7225 Siskiyou near nort base of Caribou Mtn. (Big Flat Campground, headwaters of river, just s of low divide (Trinity Co) separating Coffee Creek drainage from that of Salmon River); South Fork of the Salmon River, Big Flat Campground 1508 Comment
  CAS-BOT-BC316032  Hieracium scouleri Annie M. Alexander; Louise Kellogg 1949-7-20 5812 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  JEPS82483  Hieracium triste Gilbert Muth 1965-8-11 204 Siskiyou Black Mt. Marble Mt. Wilderness Area (meadow near summit, rim trail) 2011 Comment
  JEPS84048  Hieracium triste L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6422 Siskiyou cirque at head Hell's Canyon (e slope of mountain, ca 5 mi n of town of Seiad Valley); Kangaroo Mountain 1828 Comment
  CAS-BOT-BC313000  Hieracium triste Gilbert Muth 1965-8-11 s.n. Siskiyou Marble Valley Comment
  JEPS50869  Hieracium triste Al Hobart 1967-8-8 Siskiyou on a spur of the peak nw summit (extreme western Siskiyou County); Siskiyou Mountain Range, Preston Peak 1828 Comment
  CAS-BOT-BC280782  Holcus lanatus Dorothy Parker 1948-7-18 79 Siskiyou In Plowman's Valley, East Fork of Scott River 1188 Comment
  HSC23604  Holodiscus discolor J. O. Sawyer 1970-7-15 2351 Siskiyou Above Bear Lake 1585 Comment
  CAS-BOT-BC152360  Holodiscus discolor var. discolor Elmer I. Applegate 1923-9-7 3965 Siskiyou Rocky summit of Siskiyou Mountains above Dry Lake Ranger Station Comment
  CAS-BOT-BC152380  Holodiscus discolor var. discolor Doris K. Kildale 1929-7-20 8575 Siskiyou South east spur Preston Peak 1950 Comment
  CAS-BOT-BC388567  Holosteum umbellatum John Thomas Howell 1964-5-11 40699 Siskiyou Grenada 822 Comment
  HSC39648  Hordeum brachyantherum J. P. Smith, J. O. Sawyer 1971-9-17 4676 Siskiyou Little Duck Lake Comment
  SACT001350  Hordeum jubatum Verne Grant, Irving Schneider 1947-8-26 Siskiyou Comment
  CAS-BOT-BC285059  Hordeum marinum subsp. gussoneanum L. R. Short 1933-6-16 42 Siskiyou Klamath National Forest, S. side of Klamath R. 609 Comment
  HSC101712  Hordeum marinum subsp. gussoneanum J. P. Smith, J. O. Sawyer 2011-6-25 13261 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  HSC92566  Hordeum marinum subsp. gussoneanum M. A. Baker 1977-5-22 320 Siskiyou N facing slope of hill just S of Whipple Ranch 976 Comment
  CAS-BOT-BC143953  Horkelia daucifolia Geo. D. Butler 1910-5-4 1272 Siskiyou Near Yreka Comment
  JEPS96981  Horkelia daucifolia Dean W. Taylor 1999-6-9 17238 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  UC186573  Horkelia daucifolia J. G. Lemmon and Mrs. J. G. Lemmon 1889-6-28 Siskiyou near Edgewood (n California); U. S. Pacific Slope; near Edgewood Comment
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Mar 14 2015
  CAS-BOT-BC143938  Horkelia daucifolia M. K. C. 1887-1-1 s.n. Siskiyou Ager Comment
  JEPS74530  Horkelia fusca subsp. parviflora W. J. Ferlatte 1966-6-22 69 Siskiyou near public camp; Big Flat 1524 Comment
  SEINET515837  Horkelia fusca subsp. parviflora Vernon Oswald 1997-7-28 8800 .1 Siskiyou Pumice Stone Well 0.2 mi. S of Medicine Lake Rd. on Forest Route 15. 1905 Comment
  UCD77781  Horkelia fusca subsp. parviflora Robert E. Preston 2001-7-21 1702 Siskiyou Klamath National Forest, near south end of Antelope Creek Meadow, T42N R1W ne 1/4 Section 12 1633 Comment
  JEPS113063  Horkelia fusca var. brownii Roy Buck 1987-6-7 672 Siskiyou along USFS Road 41N72 ca. 8-10 mi NNE of Bartle Comment
  CAS-BOT-BC536227  Horkelia fusca var. parviflora W. R. Dudley 1899-8-15 s.n. Siskiyou Glazier Comment
  SD231130  Horkelia hendersonii James R. Shevock, B. Williams. 1987-8-17 11803 Siskiyou Klamath Ranges. Below Dry Lake Mountain Lookout site along forest road 40S01. 2012 Comment
  RSA119333  Horkelia tridentata subsp. flavescens S. S. Tillett 1956-7-11 696 Siskiyou just N of campground, Scott Mtn divide, Siskiyou - Trinity County line, 8 mile SE of Callahan. 1631 Comment
  CAS-BOT-BC538243  Horkelia tridentata var. flavescens J. H. Thomas 1954-5-12 4123 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville 975 Comment
  HSC71654  Hosackia oblongifolia var. oblongifolia J. P. Smith, Steve Selva 1970-6-15 3981 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  POM54129  Hulsea nana E. B. Copeland 1903-8-16 3832 Siskiyou Mount Shasta 3201 Comment
  RSA167327  Hydrophyllum fendleri var. albifrons Joseph P. Tracy 1951-6-16 19496 Siskiyou Summit of Siskiyou Mountains, crossing of the Takilma-Happy Camp Road Comment
  HSC17  Hydrophyllum occidentale William J. Ferlatte 1966-6-22 90 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  HSC65643  Hydrophyllum occidentale J. P. Smith, Steve Selva 1970-6-15 3957 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  RSA0110955  Hydrophyllum occidentale Frederick W. Oettinger 1967-6-24 122 Siskiyou Along stream at first water stop south of Etna Summit on Etna to Sawyers Bar road. The High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1753 Comment
  UCSB24600  Hydrophyllum tenuipes Keefe, Joseph 1967-7-10 Siskiyou Indian Creek Road; 22.2 miles north of Happy Camp 1402 Comment
  CHSC106092  Hymenoxys lemmonii Lowell Ahart; John Dittes 2010-7-30 16972 Siskiyou On moist soil of riparian terraces, Shasta Big Springs Ranch, 2.6 miles (air) northwest of Big Springs Lake, 3.9 miles (air) southeast of Grenada, 6.3 miles (air) northwest of Dwinnel Dam. 778 Comment
  RSA603492  Hymenoxys lemmonii L. C. Wheeler 1935-6-30 3638 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  SBBG25919  Hypericum anagalloides D. Myrick 1966-8-11 1536 Siskiyou Adams Lake, Mountain Meadow Ranch, Big Flat, Trinity Alps 1828 Comment
  UC61688  Hypericum formosum var. scouleri Geo. B. Grant September 1902 5248 Siskiyou Mt. Shasta 609 Comment
  HSC27647  Hypericum perforatum Carl W. Mize 1972-6-8 3 Siskiyou Along main trail 335 Comment
  POM301619  Iliamna bakeri Carl B. Wolf 1941-7-26 11073 Siskiyou 10.3 miles NE of Weed along Hwy 97 915 Comment
  SD131865  Iliamna bakeri L. R. Heckard, L. Constance and R. Ornduff 1969-6-24 2290 Siskiyou Northwest side of Mt. Shasta along U. S. 97, 0.7 mile south of Bolam road junction. Comment
  RSA237944  Ipomopsis aggregata subsp. formosissima Frederick W. Oettinger 1967-7-26 198 Siskiyou Northeastern end of Crapo Peak ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  RSA183664  Ipomopsis congesta Gilbert Muth 1965-7-29 312 Siskiyou Ridge near Marble Mountains Lookout Comment
  UCD118368  Ipomopsis congesta A. H. Murphy 1958-8-6 58 J Siskiyou Klamath National Forest, Red Mountain (Boulder Peak), Marble Mountains. 2346 Comment
  CHSC71335  Iris missouriensis Vernon H. Oswald; Lowell Ahart 1998-6-11 9213 Siskiyou Old State Hwy. 0.5 miwest of Bray, ca. 10 air mi east of Grass Lake located on Hwy. 97, ca. we air mi northeast of Weed. 1414 Comment
  CDA39596  Iris missouriensis T. C. Fuller 1962-6-13 8983 Siskiyou Toad Well, road to Medicine Lake, ca. 12 miles northeast of Bartle. 0 Comment
  RSA181799  Iris missouriensis H. N. Metcalf, Jack C. Wilson 1965-7-3 65 -26 Siskiyou Callahan, ca. 2 miles east in creek bottom Comment
  HSC36670  Iris tenuissima Brent Whiteley 1975-7-3 134 Siskiyou 1220 Comment
  CHSC33174  Isatis tinctoria R. E. Preston 1981-5-2 60 Siskiyou On roadside cuts, ca. 50 m n of Camp Creek, at Irongate Reservoir, ca. 32 km ne of Yreka. 700 Comment
  JEPS95828  Isatis tinctoria Vernon H. Oswald and L. Ahart 1999-7-5 9804 Siskiyou Gazelle-Callahan Hwy. 11.3 mi west of Gazelle, 0.2 mi east of summit of Gazelle Mtn.: T42N R6W Sect. 34, 3900 ft, mixed oak-conifer woodland 1188 Comment
  RSA237981  Isoetes Frederick W. Oettinger 1968-8-5 708 Siskiyou Above Diamond Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak, Marble Mountain wilderness area. 2073 Comment
  HSC91425  Isoetes bolanderi Jennifer Whipple 1977-8-6 2245 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC28735  Isoetes echinospora Frederick W. Oettinger 1968-8-5 708 Siskiyou Marble Mtn. Wilderness Area, above Diamond Lake 2073 Comment
  HSC28736  Isoetes occidentalis Frederick W. Oettinger 1967-8-21 303 Siskiyou Marble Mtn. Wilderness Area, on the NW side of Pine Lake 1921 Comment
  SD249070  Isoetes occidentalis Daniel Keil, Kathleen Keil 1990-7-28 Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. Paradise Lake. 1865 Comment
  UC134911  Iva axillaris subsp. robustior E. B. Copeland 1903-7-2 3539 Siskiyou Klamathon Comment
  UC185649  Ivesia gordonii Dr. E. B. Copeland 1903-8-18 3900 Siskiyou Mt. Eddy 2743 Comment
  POM35450  Ivesia gordonii var. ursinorum E. B. Copeland 1903-8-18 3900 Siskiyou Mount Eddy. 2744 Comment
  CHSC30944  Ivesia pickeringii T. Spira 1979-8-15 446 Siskiyou 3.1 mi n of Shasta-Trinity county line off of Hwy 3 on n side of rd. 1219 Comment
  HSC78394  Juncus balticus subsp. ater L. P. Janeway 1983-9-11 675 Siskiyou Poker Flat 1524 Comment
  CAS-BOT-BC110122  Juncus dudleyi Melissa A. Berry 1957-7-8 s.n. Siskiyou North Fork of the Salmon River, Somes Bar-Etna Road. 609 Comment
  CHSC71609  Juncus ensifolius Vernon H. Oswald; Lowell Ahart 1998-8-3 9421 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 41N10. Along a roadside drainage. 1554 Comment
  JEPS66992  Juncus ensifolius Geo. D. Butler 1910-7-15 1784 Siskiyou Oro Fino Comment
  POM250715  Juncus ensifolius D. D. Keck 1938-8-8 4865 Siskiyou Siskiyou County at Trinity County line; Scott Mountain Divide, between Scott Mountain and Craggy Peak. 1677 Comment
  JEPS94743  Juncus howellii Vernon H. Oswald and Lowell Ahart 1998-8-3 9422 Siskiyou Kangaroo Lake Road (USFS41N08) 3.9 mi se of Gazelle-Callahan Road at its intersection with USFS 41N10 Gazelle-Callahan Road; Kangaroo Lake Road 1554 Comment
  UCD141559  Juncus howellii J. M. Tucker 1950-7-24 1952 Siskiyou Beside Cold Creek at the Military Road crossing, about 6 miles northwest of Pilgrim Creek Experience Station, east side of Mt. Shasta. Comment
  UC688901  Juncus mertensianus Vesta Holt 1943-8-11 M- 11 Siskiyou Marble Mountains Comment
  RSA14327  Juncus mexicanus Elmer I. Applegate 1923-8-18 3879 Siskiyou Medicine Lake. 1982 Comment
  UC1026899  Juncus nevadensis F. J. Hermann 1940-8-8 15444 Siskiyou near Squaw Valley Creek; Mount Shasta Comment
  HSC69355  Juncus nevadensis var. nevadensis Maralyn A. Renner 1980-8-21 2565 Siskiyou Kidd Creek 2043 Comment
  UC1265316  Juncus occidentalis F. W. Oettinger 1968-9-10 812 Siskiyou just above Horse Range Lake; Salmon Mts. Comment
  HSC69397  Juncus orthophyllus Maralyn A. Renner 1980-8-8 2451 Siskiyou Rattlesnake Meadow 1646 Comment
  HSC10  Juncus parryi William J. Ferlatte 1965-6-22 116 Siskiyou Josephine Lake Basin 1677 Comment
  JEPS84037  Juncus parryi L. R. Heckard with S. D'Alcamo, J. Hickman, W. Roderick 1986-7-16 6428 Siskiyou ca 5 mi n Seiad Valley town (cirque at head of Hell's Canyon, e slope of Kangaroo Mountain); Kangaroo Mountain, Hell's Canyon 1828 Comment
  JEPS84175  Juncus tenuis L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6380 Siskiyou ca 7 mi nne Seiad Valley (w of Cook and Greene Pass, ca 1.5 mi e of Red Butte summit) 1900 Comment
  CAS-BOT-BC81223  Juniperus occidentalis Anderson 1925-10-1 s.n. Siskiyou 10 miles north of Edgewood Comment
  UC1045241  Juniperus occidentalis unknown 1940-6-4 15007 Siskiyou near Bolam Road; Mount Shasta 1219 Comment
  SEINET9345130  Juniperus occidentalis Unknown 2009-5-31 Siskiyou High elevation, semi-arid desert ecosystem; native species; collected at Lava Beds National Monument, directly South of Tulelake, CA. Comment
  UC618898  Kalmia polifolia subsp. microphylla W. Bridge Cooke 1938-7-21 11296 Siskiyou Mount Shasta, Heather Meadow, Panther Creek Panther Creek; Mount Shasta, Heather Meadow, Panther Creek 2286 Comment
  UC876882  Kalmia polifolia subsp. microphylla Louis C. Wheeler 1934-8-5 3037 Siskiyou Mud Springs, [Middlehell Creek] Mud Springs; Siskiyou Mountains, , Middlehell Creek 1676 Comment
  CAS-BOT-BC246176  Keckiella lemmonii A. A. Heller 1916-7-23 12493 Siskiyou Dunsmuir, along the road 640 Comment
  SBBG7335  Kelloggia galioides H. and M. Dearing 1938-6-27 2177 Siskiyou 5 mi E of McCloud, (Fowler Public Camp) Comment
  UC1023834  Kelloggia galioides Douglas Barbe 1955-7-26 273 Siskiyou n slope Scott Mtn.; Klamath Mountains 1828 Comment
  RSA93332  Kelloggia galioides F. W. Peirson 1923-7-19 4501 Siskiyou 16 miles S of Bray. Comment
  HSC100335  Koeleria macrantha J. P. Smith 2011-7-15 13303 Siskiyou 1427 Comment
  UC197483  Koeleria macrantha Geo. D. Butler 1910-7-3 1625 Siskiyou Goosenest Mountain 1219 Comment
  JEPS84220  Kopsiopsis strobilacea L. R. Heckard with J. Hickman et al. 1986-7-17 6510 Siskiyou N slope of Condrey Mountain. 1960 Comment
  UC705502  Kopsiopsis strobilacea Marion Ownbey, Fred G. Meyer 1940-7-7 2220 Siskiyou Summit of Cayenne Ridge, Marble Mountain. Comment
  HSC69095  Kyhosia bolanderi Maralyn A. Renner 1980-8-4 2222 Siskiyou Flint Valley 1390 Comment
  HSC41034  Kyhosia bolanderi J. O. Sawyer 1969-8-5 1965 Siskiyou Ca. 1/2 mi. up Sugar Creek Trail 1646 Comment
  CHSC114163  Lactuca serriola Barbara L. Wilson 2011-8-23 16860 Siskiyou Road 2M22 near Lake Siskiyou. 996 Comment
  RSA190722  Lactuca tatarica var. pulchella T. C. Fuller 1967-8-15 16260 Siskiyou 4 mile NE of Macdoel. Comment
  CAS-BOT-BC341702  Lagophylla ramosissima H. M. Hall 1919-10-2 s.n. Siskiyou Near Weed Comment
  CDA8088  Lagophylla ramosissima T. C. Fuller 1965-6-1 13589 Siskiyou West side of Highway 99 to Grenada, 4 miles south of Yreka. 0 Comment
  JEPS24813  Lagophylla ramosissima Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6824 Siskiyou 7 mi e of Callahan 1127 Comment
  POM208430  Lagophylla ramosissima L. C. Wheeler 1934-7-16 2905 Siskiyou Gottville, Klamath River; Siskiyou Mts. 564 Comment
  CAS-BOT-BC204989  Lathyrus jepsonii var. californicus A. A. Heller 1928-6-9 14500 Siskiyou Along the Sacramento River near Shasta Retreat Comment
  SEINET10577313 Image available Lathyrus pauciflorus subsp. brownii H. E. Brown 1897-6-11 Brown 391 Siskiyou North Side Mt. Shasta. 1524 Comment
  UC53792  Layia glandulosa H. M. Hall and E. B. Babcock 1903-6-1 4089 Siskiyou Shasta Valley Sierra Nevada Mountains, Mount Shasta, Shasta Valley Comment
  HSC27473  Lepidium campestre J. P. Smith, J. O. Sawyer 1972-5-28 5362 Siskiyou 1 mi. S of Etna on Hwy. 3 915 Comment
  HSC64057  Lepidium campestre J. P. Smith, Steve Selva 1970-7-17 4427 Siskiyou Along Klamath River. Comment
  JEPS96803  Lepidium densiflorum var. macrocarpum Dean W. Taylor 1999-8-12 17302 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley), creek crossing on logging road 1341 Comment
  CHSC105280  Lepidium latifolium Lowell Ahart; John Dittes 2010-7-30 16966 Siskiyou About 10 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
  CAS-BOT-BC89829  Lepidium montanum A. A. Heller 1925-7-25 s.n. Siskiyou In the Shasta Valley north of Gazelle. Comment
  CAS-BOT-BC89838  Lepidium nitidum L. E. Smith 1913-4-2 s.n. Siskiyou Hornbrook Road to Klamathon. Comment
  JEPS53718  Lepidium perfoliatum W. L. Jepson 1940-6-23 19985 Siskiyou e of Mayten (e side of Little Shasta Valley); Little Shasta Valley 883 Comment
  RSA715768  Lepidium perfoliatum L. Ahart, John Dittes 2005-6-9 11998 Siskiyou On the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2.5 miles (air) ESE of Grenada. 775 Comment
  CDA36794  Lepidium perfoliatum D. B. Joley 1976-6-24 2 Siskiyou Mt. Shasta City. 0 Comment
  UC726822  Leptodactylon pungens A. A. Heller 1938-7-12 15254 Siskiyou on U.S. Highway #97, sixteen mi n Weed Comment
  POM75066  Leptosiphon bicolor Geo D. Butler 1910-4-25 1243 Siskiyou Damp flatte. Oro Finco Comment
  HSC30635  Leptosiphon ciliatus Frederick W. Oettinger 1969-8-1 1129 Siskiyou Marble Mtn. Wilderness Area, edge of Wiregrass Meadow below English Lake 1677 Comment
  POM253567  Lesquerella occidentalis C. L. Hitchcock, J. S. Martin 1939-7-9 5305 Siskiyou N side of Black Mt. near Marble Mt. (King s Castle). 2073 Comment
  UC722121  Lesquerella occidentalis subsp. occidentalis C. L. Hitchcock and J. S. Martin 1939-7-9 5305 Siskiyou n side Black Mt. (near Marble Mt. (King's Castle)); n side of Black Mt. near Marble Mt. (King's Castle) 2072 Comment
  UC61686  Lessingia nemaclada Geo. B. Grant September 1902 5213 Siskiyou Dunsmuir Mt. Shasta 609 Comment
  JEPS20613  Lessingia nemaclada W. L. Jepson 1907-7-25 2960 Siskiyou Scott Valley Comment
  CHSC33044  Lessingia ramulosa J. O. Sawyer Jr.; James Payne Smith Jr. 1971-9-18 4796 Siskiyou State 3 between Callahan and Etna at the turnoff to the Proctor Ranch, roadside. Comment
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Sep 15 2015
  CAS-BOT-BC508375  Leucocrinum montanum Elmer I. Applegate 1935-6-6 9362 Siskiyou Crater of Caldwell Butte, Lava Beds National Monument Comment
  RSA68894  Leucophysalis nana A. E. Culbertson 1943-7-1 63 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 airmiles of its headwaters to the west. Comment
  HSC69192  Lewisia cotyledon Maralyn A. Renner 1980-9-1 2696 Siskiyou Bear Mtn. 1936 Comment
  RSA237458  Lewisia cotyledon Frederick W. Oettinger 1967-7-20 173 Siskiyou SSE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC444053  Lewisia cotyledon var. cotyledon John Thomas Howell 1939-8-3 14954 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  RSA183431  Lewisia cotyledon var. cotyledon J. M. Tucker 1963-7-7 3713 Siskiyou In vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1982 Comment
  JEPS127639  Lewisia cotyledon var. howellii Jurriaan M. de Vos 2014-7-10 319 Siskiyou Klamath NF.Ca. 3.9 miles ENE along Forest Road 1055 from Cook and Green Pass. Comment
  CAS-BOT-BC444081  Lewisia leeana Harley P. Chandler 1901-6-1 1609 Siskiyou North Coast Ranges. Near Marble Mountain 2286 Comment
  RSA237455  Lewisia leeana Frederick W. Oettinger 1968-8-22 594 Siskiyou Rock crevices, slope between English Peak and Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2195 Comment
  HSC75110  Lewisia rediviva J. P. Smith, Thomas W. Nelson 1979-6-15 10120 Siskiyou Klamath National Forest, road to Carmen Lake, 0.6 mi. from its junction with Hwy. 3 1646 Comment
  UC162636  Lewisia triphylla Harley P. Chandler June, 1901 1607 Siskiyou near Marble Mountain (ridges and meadows); North Coast Ranges 2133 Comment
  UC7822  Lewisia triphylla Milo S. Baker 1893-8-5 501 Siskiyou Medicine Lake 1981 Comment
  UC246736  Leymus cinereus H. E. Brown Jul 15 1897-Jul 31 1897 504 Siskiyou Mt. Shasta; s side 1524 Comment
  CDA15521  Ligusticum apiifolium G. F. Hrusa 1998-7-5 14689 Siskiyou Siskiyou Mountains; Bear Creek Rd. +- 1/2 mi. N of Hwy 96 and 10 mi. SW of Happy Camp. Sheet 1 of 2 Comment
  HSC61927  Ligusticum californicum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC436055  Ligusticum grayi John Thomas Howell 1937-7-25 13461 Siskiyou Salmon-Trinity Alps, Caribou Basin 2286 Comment
  HSC23542  Ligusticum grayi J. O. Sawyer 1969-8-5 1959 Siskiyou Above the S Fork of Sugar Creek 1814 Comment
  JEPS84045  Ligusticum grayi L. R. Heckard with J. Hickman et al. 1986-7-17 6537 Siskiyou Road end area and camp overlooking S end of Alex Hole, SE of Condrey Mt. Comment
  RSA453853  Ligusticum grayi M. B. Dunkle 1945-7-8 9202 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  CAS-BOT-BC509367  Lilium kelleyanum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 7 Siskiyou On bottom of canyon and along banks of Cow Creek about 10 miles NE of Sawyer's Bar, on road to Etna. 975 Comment
  HSC69162  Lilium pardalinum subsp. pardalinum Maralyn A. Renner 1980-8-4 2205 Siskiyou Flint Valley 1390 Comment
  JEPS96802  Lilium pardalinum subsp. shastense Dean W. Taylor 1999-8-12 17305 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley), creek crossing on logging road 1341 Comment
  CAS-BOT-BC130871  Lilium pardalinum subsp. wigginsii A. M. Vollmer; L. Beane 1953-7-1 112 Siskiyou Hamburg, Klamath River Comment
  HSC77932  Lilium pardalinum subsp. wigginsii D. K. Imper 1982-7-22 1499 Siskiyou Near Beans Camp 1280 Comment
  CHSC2296  Lilium rubescens V. Holt 1932-7-3 Siskiyou Castle Creek. 914 Comment
  CAS-BOT-BC133105  Lilium washingtonianum subsp. washingtonianum Albert M. Vollmer; Ira L. Wiggins 1940-7-5 9 Siskiyou 3 1/2 miles northeast of the town of Mount Shasta 1402 Comment
  SEINET7073522  Linanthus 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
  UC1286472  Linanthus ciliatus W. B. and V. G. Cooke 1965-7-12 35179 Siskiyou Bolam Road Mt. Shasta Comment
  UC163841  Linanthus ciliatus Geo. D. Butler 1910-4-25 1243 Siskiyou Oro Fino Comment
  UC23467  Linanthus ciliatus Harley P. Chandler Jun 1901 1643 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  UC1299614  Linanthus harknessii Freed W. Hoffman 1951-7-15 4036 Siskiyou w side Kelsey Creek (at Hammond Camp, w Siskiyou County); North Coast Ranges, Marble Mountains 1524 Comment
  CAS-BOT-BC509126  Linanthus pungens Dana York 2011-8-13 3066 Siskiyou Klamath National Forest, Marble Mountain Wildernesss, summit of Black Marble Mountain 2268 Comment
  JEPS125848  Linaria vulgaris Dean W. Taylor 1996-6-24 15742 Siskiyou Klamath River canyon near Oregon State line Comment
  JEPS82719  Linnaea borealis var. longiflora Wayne Roderick 1983-7-10 Siskiyou Doe Flat; (next to Del Norte County) 1143 Comment
  SEINET4039768  Linnaea borealis var. longiflora O. M. Clark 1947-1 14400 Siskiyou Myrtle Creek, Siskiyou Mountains. Comment
  RSA105458  Linum lewisii M. S. Baker 1955-6-27 13084 Siskiyou Hwy. 99, 4 mi. S of Gazelle. 915 Comment
  RSA211331  Linum lewisii William J. Ferlatte 1967-7-6 668 Siskiyou Near LeRoy Mine. Trinity Alps. 2104 Comment
  CAS-BOT-BC94972  Linum lewisii var. lewisii R. C. Wenk 2005-7-15 205 Siskiyou Trinity Alps, above South Fork of Salmon River, along Yellow Rose Mine Trail 2133 Comment
  UC845693  Listera convallarioides Alice Eastwood 1912-7-17 1173 Siskiyou Sisson Comment
  UC338558  Lithocarpus densiflorus unknown Sep 1889 Siskiyou near Sisson's Comment
  POM166637  Lithocarpus densiflorus var. echinoides E. B. Copeland 1903-8-13 3827 Siskiyou Sisson. 1067 Comment
  CDA25412  Lithophragma affine G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2609 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  CAS-BOT-BC432320  Lithophragma campanulatum Roxana S. Ferris; Laura Lorraine 1948-6-12 11856 -A Siskiyou 1.5 miles below summit of Gazelle Mountain Grade, E side 1417 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
  UC196934  Lolium multiflorum Geo. D. Butler 1908-6-25 482 Siskiyou along creek near Yreka Comment
  UC1001183  Lomatium californicum Dorothy Parker 1953-5-12 528 Siskiyou w. side Scott Valley; Siskiyou Mts., Scott Valley 883 Comment
  RSA452573  Lomatium engelmannii Christopher Davidson 1975-6-5 2680 Siskiyou 6 miles ESE of Callahan on Hwy 3 (= 4 miles SE of Scott River Bridge). 1349 Comment
  HSC39322  Lomatium macrocarpum J. P. Smith 1974-5-26 7387 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC63256  Lomatium macrocarpum M. A. Baker 1979-7-31 1097 Siskiyou Johnson's Hunting Ground, 0.4 k. N of trail to Independence Valley 2000 Comment
  UC1037477  Lomatium nudicaule Douglas Barbe 1955-7-5 113 Siskiyou 1/2 mi n Etna (on the middle valley road, Klamath Mountains); Klamath Mountains 883 Comment
  UC572974  Lomatium triternatum var. triternatum Louis C. Wheeler 1935-6-9 3555 Siskiyou Yreka Creek 1219 Comment
  HSC27682  Lonicera hispidula var. vacillans Carl W. Mize 1972-6-10 45 Siskiyou N Slope. 762 Comment
  CAS-BOT-BC240843  Lonicera interrupta Dorothy Parker 1947-6-21 198 Siskiyou North slope of Gazelle Mt. 1219 Comment
  UC28531  Lonicera interrupta Edward L. Greene 1870-7-7 920 Siskiyou Comment
  UC1037355  Lotus nevadensis var. nevadensis Douglas Barbe 1955-6-28 11 Siskiyou 0.2 mi n Callahan; Klamath Mountains 975 Comment
  UC144518  Lotus nevadensis var. nevadensis A. A. Heller 1905-6-8 8000 Siskiyou Yreka Comment
  RSA592550  Lotus oblongifolius S. O. Mattoon 1978-7-23 34 Siskiyou Forest Road 46N64, vicinity of Middle Creek Meadows; 7 air miles W of Scott River Highway at Gold Flat; Marble Mountains. 1341 Comment
  UC1034602  Lotus oblongifolius var. oblongifolius Douglas Barbe 1955-6-29 48 Siskiyou 1.8 mi e Callahan (s bank of Scott River); Klamath Mountains, Scott River 975 Comment
  RSA406444  Lotus unifoliolatus M. B. Dunkle 1944-9-15 9112 Siskiyou Siskiyou National Park. Comment
  CAS-BOT-BC140204  Luetkea pectinata John Thomas Howell 1939-8-2 14872 Siskiyou Spirit Lake, Marble Mts. Comment
  HSC4894  Luetkea pectinata J. O. Sawyer 1968-6-23 625 Siskiyou Along trail from Brown's Valley to Caribou basin including areas around Snowslide Lake and Caribou Basin 1829 Comment
  UC572804  Luetkea pectinata unknown 1937-8-17 9294 Siskiyou Mt. Shasta; The Gate 2590 Comment
  CAS-BOT-BC140244  Luetkea pectinata W. R. Dudley 1901-8-23 s.n. Siskiyou Rocky Creek, Foxtail Ridge, Salmon Mts. Comment
  HSC57385  Luina hypoleuca Overton, Butler 1979-7-26 10112 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  HSC29123  Luina hypoleuca Frederick W. Oettinger 1968-8-2 367 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: NE of Diamond Lake 2082 Comment
  UC1017669  Lupinus Marion Ownbey, Ruth P. Ownbey 1938-7-20 1763 Siskiyou near Dry Lake Lookout (summit of the Siskiyou Mountains); , near Dry Lake Lookout Comment
  OBI53778  Lupinus David J. Keil 1992-7-20 23476 Siskiyou 10.3 mi W of Fort Jones along Scott River Rd 900 Comment
  UC1190235  Lupinus albicaulis var. shastensis Ira L. Wiggins 1955-7-21 13437 Siskiyou Rush Creek Trail 2 mi above Mt. View Ranch; Rush Creek Trail, above Mt. View Ranch 1097 Comment
  UC398668  Lupinus albicaulis var. shastensis A. A. Heller 1927-8-1 14436 Siskiyou near Shasta Springs (Type Station); near Shasta Springs Comment
  POM11364  Lupinus albicaulis var. shastensis C. P. Smith 1922-8-9 3728 Siskiyou Sisson, Mt. Shasta. 2287 Comment
  UC157011  Lupinus albifrons var. albifrons Geo. D. Butler 1909-5-26 776 Siskiyou Cherry Creek Comment
  POM26763  Lupinus albifrons var. eminens Geo. D. Butler 1909-5-26 776 Siskiyou Yreka Creek Comment
  CAS-BOT-BC196322  Lupinus albifrons var. flumineus D. B. Dunn; B. J. Cox 1971-6-9 17937 Siskiyou 9 mi. N. of Weed, on U.S. Hwy 97, at Whitney Creek 1249 Comment
  SEINET10937025  Lupinus albifrons var. flumineus Katherine L. Morris 1973-6-2 Morris 370 Siskiyou In an open meadow assoc. With yellow pine on the s side of hwy 3, 22 miles e of Fort jones Comment
  HSC23657  Lupinus andersonii J. O. Sawyer 1969-7-16 1144 Siskiyou 2073 Comment
  CAS-BOT-BC196352  Lupinus argenteus var. argenteus J. M. Tucker 1950-7-24 1960 Siskiyou Outskirts of Dorris Comment
  CAS-BOT-BC215193  Lupinus croceus J. H. Thomas 1954-5-13 4136 Siskiyou Near S Fork of Salmon River, 5-9 miles SE of Cecilville, vicinity of Blind Horse Creek, Salmon Mountains, Klamath National Forest. 1066 Comment
  UCSB24806  Lupinus croceus Keefe, Joseph 1967-7-11 Siskiyou 0.5 mile north of Castle Lake; 10 miles southwest of town of Mt. Shasta 1676 Comment
  CAS-BOT-BC215187  Lupinus croceus H. E. Brown No date on label 395 Siskiyou N side of Mount Shasta Comment
  UC1090384  Lupinus croceus Milo S. Baker 1957-6-16 13146 Siskiyou Forested Canyon rd side North Coast Ranges 1219 Comment
  CHSC71582  Lupinus croceus var. croceus Vernon H. Oswald; Lowell Ahart 1998-8-3 9434 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  SEINET10490743  Lupinus croceus var. croceus Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-1 Conrad 6981 Siskiyou Western yellow pine, libocedrus, douglas fir forest, 6 mi. Sw of callahan. 1524 Comment
  UC157009  Lupinus klamathensis Geo. D. Butler 1910-5-15 1349 Siskiyou Greenhorn Mountain 1066 Comment
  POM24904  Lupinus klamathensis Geo. D. Butler 1910-4-30 1253 Siskiyou Dry hill near Yreka. Comment
  SEINET10838197  Lupinus klamathensis Charles Piper Smith 1947-5-13 Smith 47274 A Siskiyou 7.4 mi. E of weed. Hwy 97. Comment
  HSC63294  Lupinus latifolius subsp. viridifolius M. A. Baker 1979-7-30 1068 Siskiyou 1900 Comment
  UC454939  Lupinus latifolius var. viridifolius I. J. Condit 1911-7-7 Siskiyou Dunsmuir Comment
  UC1481385  Lupinus lepidus var. lobbii B. J. Cox and D. B. Dunn 1971-6-9 2808 Siskiyou on U.S. Hwy 97 Weed; n of Weed Comment
  UC609334  Lupinus lepidus var. lobbii Eleanor Burks Hart 1938-8-18 934 Siskiyou e slope Boulder Peak; e slope Boulder Peak 2529 Comment
  RSA0064514  Lupinus leucophyllus Daisie Huang 2006-8-4 06080403 Siskiyou Klamath River Highway, west of I-5. 491 Comment
  UC157001  Lupinus leucophyllus Geo. D. Butler 1910-5-21 1376 Siskiyou Klamath River Comment
  SD121782  Lupinus lobbii M. B. Dunkle 1945-8-2 9285 Siskiyou King's Castle [SBBG 47507, an apparent duplicate, adds Marble Mtns.] Comment
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Jul 11 2010
  HSC45900  Lupinus luteolus Laura Witherspoon 1978-8-24 107 Siskiyou Klamath National Forest 1646 Comment
  RSA60652  Lupinus luteolus Dorothy Parker 1948-6-11 104 Siskiyou Near Bogus 1067 Comment
  SBBG21863  Lupinus obtusilobus D. Myrick 1964-7-25 965 Siskiyou Panther Meadows, below Ski Bowl Lodge 2346 Comment
  UC1506172  Lupinus obtusilobus Robert T. Clausen and Harold Trapido 1940-7-27 4969 Siskiyou 5 mi nne Mt. Shasta summit (w side of Mountainhouse Creek); Cascade Mtns, Sacramento River Basin, Mt. Shasta 1981 Comment
  CAS-BOT-BC7542  Lupinus onustus Amos Arthur Heller 1905-6-15 8037 Siskiyou Near Sisson Comment
  SD113682  Lupinus sellulus Darley F. Howe 1964-8-4 3929 Siskiyou Near Medicine Lake, Modoc National Forest. 2012 Comment
  POM11085  Lupinus sellulus subsp. sellulus Geo. D. Butler 1910-9-11 1867 Siskiyou [Unspecified] Comment
  POM23553  Lupinus sellulus subsp. sellulus Geo. D. Butler 1908-8-2 368 Siskiyou Shackleford Creek Comment
  SEINET10490239  Lupinus sellulus subsp. ursinus Smith 1978-7-2 Smith 9971 Siskiyou Seiad valley quadrangle. Klamath national forest. Ridge trail to the e of Cook and green pass. Montane chaparral. Sections 8 and 9. 1341 Comment
  POM26284  Lupinus subvexus var. transmontanus Geo. D. Butler 1910-5-21 1373 Siskiyou Klamath hills Comment
  RSA105371  Luzula divaricata G. D. Barbe 1955-8-5 361 Siskiyou Growing along the trail from Big Flat to Caribou Lake at a point northwest of the summit of Caribou Mtn. Salmon Mountains. 2409 Comment
  UC909343  Luzula macrantha Ira L. Wiggins 1950-5-28 12362 Siskiyou Margins of Carmel Lake, ca 1.5 mi E of Scott Mountain Road 1737 Comment
  CHSC96086  Luzula parviflora L. P. Janeway 2006-7-3 8756 Siskiyou Klamath Ranges. Salmon Mountains; Music Creek Trailhead near upper Music Creek. 1893 Comment
  JEPS67183  Luzula parviflora Geo. D. Butler 1910-7-8 1673 Siskiyou Shackelford Creek , Shackelford Creek (Upper Campbell Lake) 1524 Comment
  JEPS84031  Luzula parviflora L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6414 Siskiyou ca 5 mi n of the town Seiad Valley (e slope Kangaroo Mountain, cirque at head of Hell's Canyon); e slope Kangaroo Mountain, cirque at head Hell's Canyon 1828 Comment
  SEINET2121890  Machaeranthera canescens M. L. Carson 1968-12-9 1296 Siskiyou US Highway 99 and Interstate 5 at base of Black Butte 4 mi S of Weed, 0.85 mi N of summit of the pass and 2.55 mi N of exit to Mount Shasta and State Highway A 10 1190 Comment
  CDA34595  Machaeranthera canescens var. shastensis M. Beyers, G. F. Hrusa 2010-8-18 708 Siskiyou Highway 3; +/- south of Callahan just N of where Pacific Crest Trail intersects highway. 1638 Comment
  RSA170195  Machaeranthera canescens var. shastensis Joseph P. Tracy 1949-9-16 18564 Siskiyou Scott Valley, 1 mile east of Etna 884 Comment
  CAS-BOT-BC344540  Madia exigua Lewis S. Rose 1945-6-18 45066 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC343442  Madia gracilis Carl B. Wolf 1934-7-4 5939 Siskiyou Klamath River, Horse Creek - Dry Lake Lookout, Siskiyou Mts., 13 1/2 mi. from Horse Creek Bridge 1524 Comment
  JEPS40350  Madia gracilis Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sissons to Simms; Region of the Upper Sacramento Comment
  POM362187  Madia gracilis subsp. gracilis M. B. Dunkle 1944-7-15 9092 Siskiyou Siskiyou National Forest. Coastal northern California. 1768 Comment
  RSA126302  Madia madioides I. L. Wiggins 1955-7-23 13466 Siskiyou Ridge W of China Creek, S side of S fork of Salmon River 1006 Comment
  SEINET10474823  Madia minima Mary Susan Taylor 1980-7-8 Taylor 3113 Siskiyou T39N R5W se sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on ridge S of Castle Lake, above Hearts Lake. 2017 Comment
  UC179495  Madia sativa subsp. dissitiflora A. A. Heller 1914-8-25 11707 Siskiyou Deetz Station near Black Butte; Deetz Station 1158 Comment
  RSA285715  Mahonia nervosa D. C. Michener 1980-8-3 3766 Siskiyou Along Sulpher Creek below the Sulpher Creek forest service campground (& hot springs). Comment
  HSC27662  Maianthemum racemosum subsp. amplexicaule Carl W. Mize 1972-6-22 92 Siskiyou Cut bank 1/2 way up Offield Mtn. 1006 Comment
  RSA105353  Maianthemum racemosum subsp. amplexicaule G. D. Barbe 1955-7-6 136 Siskiyou Along northeast shore of Taylor Lake, Salmon Mtns. 1951 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
  HSC18914  Maianthemum stellatum J. O. Sawyer 1968-7-10 464 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  SEINET11601609 Image available Malacothrix floccifera L. Constance 1950-7-15 3355 Siskiyou Scott River, Scott Valley between Fort Jones and Etna 914 Comment
  UC618755  Malva neglecta W. Bridge Cooke 1938-8-21 11550 Siskiyou in front yard of Shasta Alpine Lodge, Horse Camp Shasta Alpine Lodge; , Horse Camp 1524 Comment
  RSA211116  Malva neglecta W. J. Ferlatte 1966-8-3 261 Siskiyou Siskiyou Co., Mountain Meadow Ranch 1524 Comment
  CHSC71583  Medicago lupulina Vernon H. Oswald; Lowell Ahart 1998-8-3 9416 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 41N10. Roadside. 1554 Comment
  UC60891  Medicago lupulina W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson Mount Shasta Comment
  LA12117  Melica aristata H. S. Yates; 1936-6-21 5833 Siskiyou 1 mi SW of Signal Butte 1341 Comment
  UC1265396  Melica aristata F. W. Oettinger 1969-9-4 1662 Siskiyou n side Tom Lake Basin; Salmon Mts. Comment
  HSC76702  Melica bulbosa K. T. Stillman 1976-7-14 221 Siskiyou Marble Mountain Wilderness Area, Kings Castle. 2073 Comment
  POM265992  Melica californica Lincoln Constance, R. C. Rollins 1942-5-14 2934 Siskiyou Shasta River 6 miles north of Yreka. 762 Comment
  SEINET10599386  Melica fugax George D. Butler 1910-1 Butler 1251 Siskiyou Dry hill Yreka. Comment
  UCD87367  Melica harfordii A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3438 Siskiyou Near Happy Camp. Klamath River. Comment
  HSC26150  Melica stricta J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5691 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  UCD88595  Melica subulata Rimo Bacigalupi; Mr. and Mrs. Van Deventer 1959-7-9 7262 Siskiyou Poker Flat. 1536 Comment
  SBBG14878  Mentzelia A. I. Richardson 1961-6-8 16 Siskiyou Big Springs Rd N of jct with Hwy 97 914 Comment
  JEPS48636  Mentzelia dispersa Geo. D. Butler 1909-6-12 906 Siskiyou McAdams Creek Comment
  POM208279  Mentzelia dispersa Louis C. Wheeler 1934-7-5 2884 Siskiyou Hungry Creek, Siskiyou Mts., Mt. Diablo Mer. 976 Comment
  CAS-BOT-BC428546  Micranthes aprica H. E. Brown 1897-6-15 467 Siskiyou North side Mt. Shasta 3048 Comment
  CAS-BOT-BC334234  Micranthes howellii Dana York 2013-6-14 3169 Siskiyou Klamath National Forest, Siskiyou Wilderness, ca 4.5 km N of Preston Peak, Bell Echo Camp 1440 Comment
  CAS-BOT-BC432853  Micranthes tolmiei Wm. Bridge Cooke 1938-8-22 11556 Siskiyou Mount Shasta. West slope of Shastina. Comment
  CAS-BOT-BC322662  Microseris laciniata K. L. Chambers 1969-5-26 2933 Siskiyou Salmon River, between Somes Bar and Forks of the Salmon, 1.3 miles east of Lewis Creek Comment
  JEPS100497  Microseris laciniata subsp. detlingii Dean W. Taylor 1999-6-9 17237 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
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Feb 26 2006
  JEPS13221  Microseris laciniata subsp. laciniata W. L. Jepson 1940-7-3 20103 Siskiyou large meadow 5 mi se Bartle; Big Bear Flat 1219 Comment
  JEPS84327  Microseris nutans L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6421 Siskiyou ca 5 mi n town Seiad Valley (e slope Kangaroo Mountain, cirque at head of Hell's Canyon); e slope Kangaroo Mountain, cirque at head of Hell's Canyon 1828 Comment
  CAS-BOT-BC349364  Microseris nutans L. E. Smith 1912-5-12 203 Siskiyou Castle Creek Comment
  HSC29119  Microseris nutans Frederick W. Oettinger 1969-7-11 966 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area; SE-facing slope on English Lake Trail 1829 Comment
  POM229882  Microseris nutans L. C. Wheeler 1935-6-27 3607 Siskiyou Head of Etna Creek, Marble Mountains. 1799 Comment
  RSA529977  Mimulus bicolor D. W. Taylor, R. E. Palmer 1988-6-23 9864 Siskiyou Ca. 4 miles N of Timbered Crater, ca. 1 mile SE of Adobe Flat. 1098 Comment
  UC1034025  Mimulus breweri Francis W. Pennell 1940-7-19 26197 Siskiyou Ashy meadow Mount Shasta 1981 Comment
  RSA529963  Mimulus breweri D. W. Taylor, G. L. Clifton, R. E. Palmer 1987-6-7 9021 Siskiyou S end of Saddle Hills 1646 Comment
  HSC58963  Mimulus cardinalis Gilbert Muth 1976-7-29 Siskiyou Near Lake Mtn., close to the town of Seiad Valley 1799 Comment
  HSC61896  Mimulus guttatus Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC76733  Mimulus guttatus K. T. Stillman 1976-7-14 240 Siskiyou Marble Mtn. Wilderness Area Comment
  UC1037453  Mimulus inodorus Milo S. Baker and Douglas Barbe 1955-6-30 55 Siskiyou 0.6 mi nw Forest Camp, Etna; Klamath Mountains, Johnson Creek 914 Comment
  UC1190118  Mimulus moniliformis Ira L. Wiggins 1955-7-27 13550 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  HSC23587  Mimulus moschatus J. O. Sawyer 1970-7-4 2325 Siskiyou At Cedar Flat Cabin 1402 Comment
  HSC36464  Mimulus moschatus J. O. Sawyer 1969-8-4 1904 Siskiyou Above S Sugar Lake 2043 Comment
  RSA105439  Mimulus moschatus Milo S. Baker, H. K. Wagnon 1955-07 77 Siskiyou 4.5 mi south of Etna on Westside Rd. to Callahan, at French Cr. bridge. 854 Comment
  UCD122801  Mimulus moschatus John M. Tucker; Louis K. Mann 1963-7-4 3690 Siskiyou beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. Comment
  HSC71101  Mimulus primuloides Thomas W. Nelson, J. P. Smith, Jane P. Nelson 1978-7-24 4507 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  RSA771671  Mimulus primuloides A. E. Culbertson 1943-7-1 79 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 airmiles of its headwaters to the west. Comment
  HSC44715  Minuartia douglasii J. O. Sawyer, Ed Cope 1977-6-18 2514 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  HSC60838  Minuartia nuttallii subsp. gregaria Al Hobart Siskiyou Black Butte Comment
  POM101138  Minuartia nuttallii subsp. gregaria Geo. D. Butler 1910-7-4 1638 Siskiyou Goosenest foothills. 1220 Comment
  CAS-BOT-BC181166  Minuartia rubella Harley P. Chandler 1901-6-1 1673 Siskiyou Marble Mountain 2438 Comment
  CAS-BOT-BC229603  Mirabilis greenei W. B. C. 1940-6-20 15155 Siskiyou Along the Pacific Highway in the Klamath River gorge Comment
  UC1045284  Mirabilis greenei W. Bridge Cooke 1940-6-20 15155 Siskiyou Klamath River Gorge along Pacific Hwy Klamath River Gorge Comment
  POM92177  Mitella breweri Geo. D. Butler 1908-8-8 219 Siskiyou Marble Valley. Comment
  UC165271  Mitella diversifolia Geo. D. Butler 1908-7-20 224 Siskiyou near Yreka (head of gulch); Long Gulch Comment
  HSC86449  Mitella diversifolia D. K. Imper 1987-6-5 Siskiyou Marble Mtn. Wilderness Area, 8 mi. E of Somes Bar 1372 Comment
  HSC682  Mitella pentandra William J. Ferlatte 1967-8-20 1062 Siskiyou Caribou Basin 2226 Comment
  HSC29441  Mitella pentandra Frederick W. Oettinger 1968-8-10 459 Siskiyou High Lake Basins near English Peak, Marble Mountain Wilderness Area; along the old trail between Hancock Lake and Diamond Lake 1974 Comment
  HSC450  Mitella trifida William J. Ferlatte 1967-6-29 570 Siskiyou Along Yellow Rose Mine Trail 1829 Comment
  HSC62313  Mitella trifida Al Hobart 1968-6-20 Siskiyou Youngs Valley 1829 Comment
  HSC55039  Moehringia macrophylla Marvin Butler 1971-7-6 39 Siskiyou Near El Capitan, close to Cave Junction 1524 Comment
  HSC70605  Monardella glauca J. O. Sawyer, R. J. Cole 1981-7-2 4147 Siskiyou Near Scott Mountain Campground 1585 Comment
  HSC75348  Monardella glauca J. O. Sawyer, M. Mesler 1980-8-10 4030 Siskiyou S of Carmen Lake, ultramafics of Scott Mtn. 1829 Comment
  CAS-BOT-BC221815  Monardella odoratissima H. M. Hall; E. B. Babcock 1903-6-1 4057 Siskiyou Mount Shasta. Sisson 1036 Comment
  HSC69342  Monardella odoratissima Maralyn A. Renner 1980-8-21 2540 Siskiyou Kidd Creek 2043 Comment
  UCD77872  Monardella odoratissima Robert E. Preston 2001-6-23 1567 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  JEPS63404  Monardella odoratissima subsp. glauca W. L. Jepson 1894-7 50 c Siskiyou Sisson Comment
  CAS-BOT-BC222172  Monardella odoratissima subsp. pallida W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Lake Trail, near Mt. Shasta Comment
  UC883623  Monardella odoratissima subsp. pallida Lewis S. Rose 1937-7-25 37587 Siskiyou S. slope of Mt. Shasta. 1767 Comment
  RSA238543  Monardella odoratissima subsp. pallida Frederick W. Oettinger 1968-8-11 475 Siskiyou SEE of Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  RSA401674A  Monardella odoratissima subsp. pallida A. C. Life 1923-08 14593 Siskiyou near Mt. Shasta Comment
  SEINET5333389  Monardella odoratissima subsp. pallida A. Sanger 1996-7-16 2423 Siskiyou In small meadow and sharp turn ~1 mile N of County Road 97. 1817 Comment
  HSC60798  Monardella purpurea Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  UCD125198  Monardella purpurea J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3754 Siskiyou Southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wilderness Area. 2133 Comment
  CAS-BOT-BC220226  Monardella sheltonii Louis C. Wheeler 1934-6-9 2664 Siskiyou Klamath River, between Dutch Creek and Deadman Gulch, Siskiyou Mts. 670 Comment
  LA54226  Monardella sheltonii Annetta M. Carter; 1934-8-12 695 Siskiyou N side of Klamath River near mouth of Walker Creek (E end of Seiad Valley) 426 Comment
  HSC34127  Monotropa hypopitys J. O. Sawyer 1969-9-18 2035 Siskiyou Below Statue Lake 2165 Comment
  RSA760936  Monotropa hypopitys R. F. Thorne, Frederick W. Oettinger 1969-8-4 63357 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  HSC64305  Montia chamissoi J. P. Smith, Steve Selva 1970-6-16 4035 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1159 Comment
  UC166171  Montia linearis Geo. D. Butler 1909-3-14 680 Siskiyou McDutty's upper field near Yreka Comment
  CAS-BOT-BC445209  Montia parvifolia Edward Lee 1934-8-13 1054 Siskiyou Indian Creek, 4 miles north of Happy Camp, Klamath National Forest 411 Comment
  RSA238302  Montia parvifolia Frederick W. Oettinger 1968-9-1 640 Siskiyou Southwest of Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  HSC60462  Muhlenbergia andina William J. Ferlatte 1966-8-3 277 Siskiyou Josephine Lake basin 1677 Comment
  CAS-BOT-BC262674  Muhlenbergia asperifolia David D. Keck 1949-7-19 6344 Siskiyou 2 mi. S. of Grenada, along R.R. right-of-way 777 Comment
  HSC30608  Muhlenbergia filiformis Frederick W. Oettinger 1969-9-1 1575 Siskiyou Margin of Katherine Lake, Salmon Mountains. 2027 Comment
  UC1265409  Muhlenbergia filiformis Frederick W. Oettinger 1969-9-1 1575 Siskiyou Katharine Lake Salmon Mountains, Marble Mountain Wilderness Area (along sandy margin) 2026 Comment
  SEINET10827781  Muhlenbergia filiformis Paul M. Peterson, Carol R. Annable 1988-8-14 Peterson 4862 Siskiyou Shasta-Trinity National Forest, 8 mi E of McCloud off Hwy 89 and 1 mi S towards McCloud River. Pinus ponderosa, Arctostaphylos patula, Purshia tridentata, and Ceanothus spp. Comment
  CAS-BOT-BC275342  Muhlenbergia jonesii W. B. Cooke; V. G. Cooke 1966-7-17 37250 Siskiyou Along Military Pass Road, vicinity of Inconstance Creek, Mount Shasta 1828 Comment
  SEINET515842  Muhlenbergia richardsonis Vernon Oswald 1997-7-28 8800 Siskiyou Pumice Stone Well 0.2 mi. S of Medicine Lake Rd. on Forest Route 15. 1756 Comment
  HSC33994  Myosotis discolor J. P. Smith 1974-5-25 7477 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  SBBG60476  Myosotis laxa L. Ahart with J. Dittes 2010-7-30 16944 Siskiyou N side of a water ditch, at the edge of the dry upland, ca. 30 yards S of the Shasta River, ca. 80 yards W of the pipe across the Shasta River, ca. 200 yards E of the E Louie Rd Bridge, Shasta Big Springs Ranch, 1.6 mi (air) SW of Big Springs Lake, 4.6 m Comment
  JEPS69761  Nama densa var. parviflora W. B. and V. G. Cooke 1972-6-30 45412 Siskiyou above Andesite Crossing (Mount Shasta, Military Pass Road); Mount Shasta, Military Pass Road 1524 Comment
  SEINET515858  Nama lobbii Vernon H. Oswald 1998-9-8 9610 Siskiyou USFS 3 ca. 0.8 mi west of Julia Glover Flat, ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir, ca. 2 air mi northwest of Indian Spring Mtn. 1128 Comment
  UC455933  Nama lobbii I. J. Condit 1911-7-28 Siskiyou Shasta Retreat Castle Lake to Mt. Bradley (Castle Lake to Mt. Bradley) 1981 Comment
  POM230340  Nama lobbii L. S. Rose 1937-7-25 37597 Siskiyou Mt. Shasta City. 1159 Comment
  JEPS70320  Navarretia intertexta W. L. Jepson 1940-7-3 20102 Siskiyou 5 mi se Bartle; Big Bear Flat 1219 Comment
  JEPS81654  Navarretia leucocephala subsp. leucocephala L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2298 Siskiyou on US Hwy 97 0.8 mi s Bray junction; Murphy Wells 1493 Comment
  HSC22175  Nemophila parviflora var. austiniae J. O. Sawyer 1969-7-16 1150 Siskiyou W of Waterdog Lake 2073 Comment
  UCR131625  Nicotiana quadrivalvis L. C. Wheeler 1934-9-17 3273 Siskiyou Siskiyou Mtns., Dutch Creek off Klamath River 701 Comment
  CAS-BOT-BC60576  Noccaea fendleri subsp. glauca Mrs. H. C. Cantelow 1936-5-21 1266 Siskiyou North slope Scott Mountain. 1524 Comment
  HSC19129  Nothochelone nemorosa J. O. Sawyer 1969-7-23 1167 Siskiyou Near Horse Range Creek. 1341 Comment
  RSA14377  Nothochelone nemorosa Elmer I. Applegate 1923-9-7 3959 Siskiyou Dry Lake Lookout Station; Doggett Ridge, Siskiyou Mountains, Klamath River watershed. Comment
  JEPS40273  Nuphar lutea subsp. polysepala Geo. D. Butler 1908-8-3 525 Siskiyou Log Lake Comment
  UC61199  Oenothera elata subsp. hirsutissima W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson Mt. Shasta Comment
  UCD138859  Olsynium douglasii var. douglasii Sandra L. Holloway 1963-4-9 18 Siskiyou road to Pythian Cave, between Yreka and Grenada, west of U.S. Highway 99. 762 Comment
  CAS-BOT-BC349960  Onopordum tauricum W. T. Parsons; T. C. Fuller 1960-7-26 4878 Siskiyou F. Voelker ranch, W edge Meiss Lake Basin, just S/Sam's Neck, ca. 15 mi SW/Dorris Comment
  HSC68170  Oreostemma alpigenum var. andersonii J. P. Smith, Steve Selva 1970-7-27 4504 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  RSA0070941  Orobanche fasciculata Frederick W. Oettinger 1969-8-19 1451 Siskiyou Steep south side of David Mountain due south of Charmaine Lake. Near the ridgetop. 2042 Comment
  UC1028684  Orobanche uniflora subsp. occidentalis Herbert L. Mason 1947-5-17 14774 Siskiyou Summit of Scott Mountain grade. Trinity-Siskiyou Counties. Comment
  CAS-BOT-BC458075  Orthilia secunda Annie M. Alexander; Louise Kellogg 1949-7-28 5877 Siskiyou Marble Mountains: Sky High Valley 1767 Comment
  HSC69387  Orthilia secunda Maralyn A. Renner 1980-8-31 2664 Siskiyou Poker Flat at trailhead to Twin Valley 1524 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
  RSA0083188  Orthilia secunda M. B. Dunkle 1944-7-18 9154 Siskiyou Sterling Mt. 1890 Comment
  CHSC1813  Orthocarpus cuspidatus subsp. copelandii K. Jaekel 1932-6-26 Siskiyou Mt. Eddy. 1219 Comment
  UC1096815  Orthocarpus cuspidatus subsp. copelandii Barbe 1957-7-13 383 Siskiyou along entrance road to Big Flat Public Camp Big Flat Public Camp; Klamath National Forest, Big Flat Public Camp 1524 Comment
  UC1736255  Orthocarpus cuspidatus subsp. copelandii Dean W. Taylor 1972-7-4 1604 Siskiyou near Lily Pad Lake 3 miles W of Cook & Green Pass 1767 Comment
  HSC20900  Orthocarpus cuspidatus subsp. copelandii Dorothy Parker 1949-7-4 225 Siskiyou Near summit of Scott Mtn. 1583 Comment
  UC903488  Orthocarpus cuspidatus subsp. cuspidatus Dorothy Parker 1948-7-11 101 Siskiyou near Beswick (Shovel Creek); , near Beswick 1011 Comment
  POM133073  Osmorhiza occidentalis Geo. D. Butler 1910-7-7 1668 Siskiyou Shackleford Creek 1220 Comment
  SFV8548  Osmorhiza purpurea J. M. Tucker, L. K. Mann 1963-7-5 3700 Siskiyou Salmon Mountains. On Blake's Fork of South Russian Creek (a tributary of Salmon River), about 7 miles (airline) east of Sawyer's Bar. 1616 Comment
  UCR101291  Oxalis trilliifolia L. C. Wheeler 1959-7-25 7593 Siskiyou Marble Mountains, Camp Three, Rogers Creek 329 Comment
  UCSB16543  Ozomelis diversifolia Breedlove, Dennis 1962-6-11 Siskiyou Canyon Creek; about 20 miles west of Fort Jones, Marble Mountains 914 Comment
  UC705692  Packera cana Marion Ownbey and Fred G. Meyer 1940-7-4 2184 Siskiyou on ridge above the head Brewer Creek; e side Mt. Shasta Comment
  SBBG14792  Paeonia brownii P. H. Raven 1962-5-30 17903 Siskiyou US Hwy 97, 8.3 mi N of Weed Comment
  UC1733805  Paeonia brownii Kay H. Beach, Frank Gould 1940-5-15 625 Siskiyou Bull Meadows. Comment
  SEINET5337443  Paeonia brownii G. Butler 1910-4-23 1229 Siskiyou Quartz Valley Comment
  CAS-BOT-BC253763  Panicum capillare David D. Keck 1938-8-7 4856 Siskiyou Scott Mountain Lodge, 2 miles E of Callahan, on E Fork of Scott River at junction with Mill Creek 1000 Comment
  UCSC004589  Panicum capillare Randall Morgan 2004-5-31 4177 Siskiyou Castle Crags State Park, Sacramento River Comment
  RSA211096  Parnassia cirrata var. intermedia William J. Ferlatte 1967-8-20 1060 Siskiyou A flora of the Trinity Alps: Caribou Basin, Sawtooth Ridge; Steep north facing slope. 2043 Comment
  HSC96307  Parnassia palustris Gordon Leppig 1998-8-14 1036 Siskiyou Klamath National Forest, Russian Wilderness, in cirque W of Little Duck Lake. 2200 Comment
  POM112088  Pascopyrum smithii Geo D. Butler 1910-6-25 1603 Siskiyou Yreka Comment
  CAS-BOT-BC202837  Paxistima myrsinites Carl B. Wolf 1930-10-22 1751 Siskiyou 3 miles south of Mt. Shasta City 1066 Comment
  HSC73219  Paxistima myrsinites Gail Newton 1980-6-20 503 Siskiyou Near Bald Mtn. 1097 Comment
  POM321296  Paxistima myrsinites K. L. Chambers 1962-4-28 2212 Siskiyou Hwy 99, summit of Black Butte Pass, just W of Mt. Shasta and S of Weed. 1195 Comment
  RSA237270  Paxistima myrsinites Frederick W. Oettinger 1969-8-1 1137 Siskiyou Between English Lake and Wire Grass Meadow. English Lake Basin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC1280891  Paxistima myrsinites H. E. McMinn 1931-6-27 2514 Siskiyou Mt. Shasta City Comment
  HSC96304  Pedicularis bracteosa var. flavida Gordon Leppig 1998-8-13 1005 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, in cirque W of Little Duck Lake 2200 Comment
  POM208356  Pedicularis racemosa Louis C. Wheeler 1934-6-7 2659 Siskiyou North Hungry Creek, Siskiyou Mts. (Mt Diablo Meridian) 1311 Comment
  CAS-BOT-BC67687  Pellaea brachyptera Geo. D. Butler 1910-8-1 1820 Siskiyou Humbug Mt. 1371 Comment
  CDA17133  Penstemon anguineus G. F. Hrusa 2001-6-6 15847 Siskiyou Siskiyou Mountains; Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. 1424 Comment
  JEPS84305  Penstemon anguineus L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6364 Siskiyou ca 1/2 mi e Red Butte summit (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass); w of Cook and Green Pass, e of Red Butte summit 579 Comment
  SJSU6074  Penstemon anguineus R. W. Trivelpiece 1971-7-27 62 Siskiyou Blue Ridge between Sawyers Bar & Cecilville, SW of Eddy Gulch Lookout, Salmon R Mts 1371 Comment
  UC164351  Penstemon anguineus Geo. D. Butler 1908-7-20 935 Siskiyou Highland Mine Comment
  HSC60154  Penstemon anguineus D. L. Goforth 1979-7-7 225 Siskiyou Klamath National Forest, Condrey Mtn. Rd. Comment
  HSC63264  Penstemon anguineus M. A. Baker 1979-7-30 1077 Siskiyou Draw W of trail to Rainy Lake Comment
  JEPS86094  Penstemon anguineus Wayne Roderick 1966-6-26 Siskiyou n Seiad Valley (Pass over Crest of Siskiyou Mtns, Cook and Green Pass and Creek); Pass over Crest Siskiyou Mtns, Cook and Green Pass and Creek 1371 Comment
  POM42970  Penstemon anguineus Geo. D. Butler 1910-7-12 1761 Siskiyou Shackleford Creek. 1220 Comment
  JEPS94895  Penstemon cinereus Vernon H. Oswald and Lowell Ahart 1998-6-11 9190 Siskiyou ne of Weed (Shasta National Forest plantation on the w side of Highway 97, 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest plantation, Highway 97 1066 Comment
  UC1187077  Penstemon cinereus David D. Keck 1940-6-13 5174 Siskiyou 9 mi s Macdoel (on U.S. 97 between Dorris and Weed); s of Macdoel, btw Dorris and Weed 1463 Comment
  HSC69367  Penstemon cinicola J. O. Sawyer, J. Cole 1980-7-20 3782 Siskiyou S of Grouse Hill, at N base of Badger Peak 2146 Comment
  SEINET3160254  Penstemon confertus G. D. Butler 1910-7-10 1739 Siskiyou Shackleford Creek upper Camphill Lake 1372 Comment
  HSC86542  Penstemon davidsonii D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta, slope of Red Butte 2134 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
  LA25853  Penstemon davidsonii var. davidsonii H. & M. Lewis; 1951-7-12 sn Siskiyou Mount Shasta, Panther Meadows, S side Comment
  NY591453  Penstemon davidsonii var. davidsonii L. C. Wheeler 1934-8-5 3044 Siskiyou Siskiyou Mountains, Condrey Mountain. 2164.1 Comment
  UC1751242  Penstemon davidsonii var. davidsonii Annie M. Alexander and Louise Kellogg 1911-6-28 201 Siskiyou Wildcat Creek Comment
  UC1483445  Penstemon deustus J. Sawyer and J. Cole 1980-7-22 3951 Siskiyou nw slopes of Cedar Mtn. Klamath National Forest, Bray Quad., Cedar Mtn. 1524 Comment
  JEPS11235  Penstemon deustus var. deustus W. L. Jepson July, 1894 21421 Siskiyou n Sisson (Muir Peak (Black Butte)); , n of Sisson Comment
  UC524279  Penstemon deustus var. pedicellatus Elmer I. Applegate 1932-6-13 7243 Siskiyou Captain Jack's Stronghold Modoc Lava Beds, Captain Jack's Stronghold Comment
  JEPS95925  Penstemon deustus var. suffrutescens Vernon H. Oswald and L. Ahart 1999-7-5 9815 Siskiyou Hwy. 3 0.5 mi southeast of Gazelle-Callahan Hwy.: T40N R8W Sect. 23, 3250 ft, mixed coniferous forest 990 Comment
  NY609833  Penstemon deustus var. suffrutescens A. Eastwood 1937-6-26 5043 Siskiyou Salmon Mountains above Taylor Creek Comment
  SD104854  Penstemon filiformis Darley F. Howe 1979-6-25 5197 Siskiyou Somes Bar Comment
  HSC69264  Penstemon gracilentus J. O. Sawyer, J. Cole 1980-7-20 3737 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  UC1584307  Penstemon gracilentus Julie Kierstead 1989-6-28 89 -53 Siskiyou vicinity spatter cones in T43N R3E S33 SE1/4 (McCloud R.D., Medicine Lake Highlands, Shasta-Trinity N.F.); Shasta-Trinity National Forests, Medicine Lake Highlands 1798 Comment
  POM299521  Penstemon gracilentus Marion Ownbey, Fred G. Meyer 1940-7-3 2195 Siskiyou On east side of Mt Shasta. Comment
  RSA21195  Penstemon gracilentus Carl B. Wolf 1937-8-8 9083 Siskiyou SW side of Mt Shasta, along John S. Everett Memorial Hwy. 2134 Comment
  NY603845  Penstemon humilis var. humilis N. H. Holmgren 1966-6-9 2680 Siskiyou U.S. 97, Shasta Valley, 4 miles north of Weed. 1158.2 Comment
  NY91154  Penstemon laetus subsp. sagittatus H. E. Brown 1897-6-1 360 Siskiyou Near Mount Shasta. 1828.8 Comment
  SEINET5328851 Image available Penstemon laetus var. leptosepalus K. Vincent 1987-6-27 4437 Siskiyou Sierra Nevada, Big Bear Flat; logging area in coniferous forest along N side of CA 89 just E of Dead Horse Summit, ca. 5.4 mi SE of Bartle, 1250 Comment
  CHSC88779  Penstemon laetus var. sagittatus Jenny Marr 1993-7-1 196 Siskiyou Steamboat Mtn. Shasta Valley Wildlife Area, +/- 20 air miles S of Oregon border and 8 miles E of Yreka. Meadow. 701 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
  UC61196  Penstemon laetus var. sagittatus W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson 18th Crossing , Sisson 18th Crossing (Mount Shasta) 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
  JEPS15385  Penstemon newberryi var. berryi Douglas Barbe 1955-7-9 150 Siskiyou Kangaroo Lake, S side Scott Mountains 1828 Comment
  UC130622  Penstemon newberryi var. berryi H. M. Hall Jul 1909 8671 Siskiyou head of Salmon River 1645 Comment
  CHSC1879  Penstemon parvulus M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  HSC19132  Penstemon parvulus J. O. Sawyer 1969-8-1 1684 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC77278  Penstemon parvulus L. P. Janeway 1983-8-13 531 Siskiyou S side and above S Fork Indian Creek 1463 Comment
  RSA420440  Penstemon parvulus M. B. Dunkle 1945-1 9208 Siskiyou Black Marble Mtn. Klamath Nat'l Forest. Marble Mtns. 2134 Comment
  HSC19234  Penstemon procerus var. brachyanthus J. O. Sawyer 1969-8-2 1701 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  HSC615  Penstemon procerus var. brachyanthus William J. Ferlatte 1966-7-7 195 Siskiyou Caribou Basin 1982 Comment
  CHSC86633  Penstemon roezlii Jenny Marr 1993-7-1 16 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC99984  Penstemon roezlii Thomas W. Nelson, & Sydney Carothers 2005-7-17 9383 Siskiyou Along the W side of Hwy. 3 at the junction of F. S. Rd. 40N43. 1220 Comment
  SEINET5329341 Image available Penstemon roezlii G. Butler 1910-6-9 1579 Siskiyou Foothills of the Goosenest Mts. Comment
  UC722171  Penstemon rupicola C. L. Hitchcock, J. S. Martin 1939-7-7 5292 Siskiyou Sanger Peak Comment
  HSC61156  Penstemon rupicola Al Hobart Siskiyou El Capitan Comment
  JEPS94267  Penstemon rydbergii var. oreocharis Vernon H. Oswald and Lowell Ahart 1998-6-11 9208 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  UC1037452  Penstemon speciosus Douglas Barbe 1955-7-1 678 Siskiyou 1.3 mi e Etna (s of the Westside Rd. to Callahan); Klamath Mountains 853 Comment
  UC1303025  Penstemon speciosus A. A. Heller 1928-6-9 14605 Siskiyou near Yreka; near Yreka Comment
  RSA47610  Penstemon speciosus Roxana S. Ferris, Laura Lorraine 1948-6-12 11729 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  UC1400370  Perideridia howellii Frederick W. Oettinger and R. F. Thorne 1969-8-8 1309 Siskiyou meadow w English Lake (above the main campsite, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1798 Comment
  HSC65427  Perideridia leptocarpa D. Reed 1980-8-19 299 Siskiyou Above Scott River Rd., just E of Jones Beach 762 Comment
  HSC76863  Perideridia oregana K. T. Stillman 1976-9-9 480 Siskiyou Marble Mountain Wilderness Area. Big Rock Camp- Elk Valley Trail 1921 Comment
  RSA211473  Perideridia parishii subsp. latifolia William J. Ferlatte 1966-8-16 371 Siskiyou Trinity Alps: Big Flat Hillside, between campground and S. Fork of the Salmon River 1524 Comment
  UCD77912  Perideridia parishii subsp. latifolia Robert E. Preston 2001-8-26 1757 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1877 Comment
  UC1228351  Phacelia corymbosa L. R. Heckard 1956-8-7 826 Siskiyou about 2 mi s railway station (above Sacramento River); Dunsmuir 731 Comment
  JEPS1962  Phacelia egena Geo. D. Butler 1909-5-2 736 Siskiyou near Yreka Comment
  JEPS79422  Phacelia greenei F. D. and C. L. Horn 1980-5-30 Siskiyou Old Quigley Ranch Etna (extreme sw corner of Sec. 26) Comment
  JEPS79423  Phacelia greenei F. D. and C. L. Horn 1980-6-1 Siskiyou summit of hill Callahan, School House Hill (Callahan-Gazelle Rd, n edge of Section 1) Comment
  HSC69267  Phacelia hastata J. O. Sawyer, J. Cole 1980-7-20 3711 Siskiyou Near USFS Rd. 45N05 in center of section 1890 Comment
  UC1228342  Phacelia hastata L. R. Heckard 1956-8-7 830 Siskiyou near Dear Mt. Lodge (w flank of mt.); Deer Mt. 1432 Comment
  RSA30625  Phacelia heterophylla subsp. virgata Lincoln Constance, R. C. Rollins 1942-5-14 2927 Siskiyou Shasta River, 4 miles north of Yreka. 762 Comment
  UC1228343  Phacelia heterophylla subsp. virgata L. R. Heckard 1956-8-7 831 Siskiyou along US Hwy 97 Deer Mt., Deer Mt. Lodge (w flank of mt.) 1432 Comment
  UC147529  Phacelia heterophylla subsp. virgata Edw. L. Greene June 1876 Siskiyou Comment
  HSC69306  Phacelia mutabilis Maralyn A. Renner 1980-7-24 1983 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  UCD120644  Phacelia mutabilis J. M. Tucker 1950-7-24 1954 Siskiyou Beside Cold Creek at the Military Road crossing, about 6 miles northwest of Pilgrim Creek Experience Station, east side of Mt. Shasta. Comment
  HSC19148  Phacelia mutabilis J. O. Sawyer 1969-7-1 966 Siskiyou NE facing lower slope above Paynes Lake Creek 1829 Comment
  POM65547  Phacelia mutabilis E. B. Copeland 1903-8-16 3920 Siskiyou Mt. Shasta. Comment
  JEPS26529  Phacelia pringlei Lauramay T. Dempster 1961-7-3 1870 Siskiyou se Callahan (w face of mt.); Scott Mountain Comment
  UC1950197  Phacelia pringlei Barbara Ertter with Julie Kierstead and Jim Nelson 1990-7-15 9371 Siskiyou ca 1 mi E of Toad Lake at head of Middle Fk Sacramento River, ca 8 airmiles W of Mt Shasta City Comment
  HSC69570  Phacelia procera Maralyn A. Renner 1980-8-6 2267 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  UCD120681  Phacelia ramosissima Robert E. Preston 1995-6-22 896 Siskiyou Irongate Reservoir, on open slopes W of Mirror Cove. 731 Comment
  JEPS49605  Philadelphus lewisii Geo. D. Butler 1908-7-7 405 Siskiyou near Yreka (along creek); Butler's Ranch Comment
  SEINET10657527  Phleum alpinum Louis C. Wheeler 1935-7-26 Wheeler 3713 Siskiyou Siskiyou Mts. Wet sunny meadow Jaynes Canyon, S 12 T, T 47 N, R 10 W. Mt. Diablo Mer. 1951 Comment
  UCD89651  Phleum pratense E. Wilson 1934-7-1 s.n. Siskiyou Shasta Springs. Comment
  CHSC3383  Phlox diffusa Alice L. Stoll 1966-5-14 202 Siskiyou 7 miles S.E. of Callahan. Alongside the Old Oregon Stage Road. 1219 Comment
  HSC4822  Phlox diffusa J. O. Sawyer 1968-7-22 556 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  UC1190247  Phlox diffusa Ira L. Wiggins 1955-7-27 13541 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  UC30215  Phlox diffusa W. H. Brewer 1862-9-13 1377 Siskiyou Mount Shasta 2438 Comment
  CAS-BOT-BC294731  Phlox diffusa James Vale 1979-6-4 s.n. Siskiyou Sierraville Comment
  RSA78684  Phlox diffusa subsp. diffusa P. A. Munz 1952-7-2 17881 Siskiyou Road to Baldy Mt., northwest of Happy Camp, Siskiyou Mts. 1494 Comment
  CDA40292  Phlox gracilis J. M. DiTomaso 2002-5-17 s.n. Siskiyou 8 miles northeast of Montague. On York Road, 300 meters east of intersection with Mulloy Road. 0 Comment
  POM75054  Phlox hirsuta Geo D. Butler 1910-4-10 1165 Siskiyou Yreka. Comment
  SEINET3145545  Phlox speciosa subsp. occidentalis G. D. Butler 1910-4-15 1175 Siskiyou Yreka Comment
  UC673185  Phlox speciosa subsp. occidentalis Lincoln Constance and Reed C. Rollins 1942-5-13 2912 Siskiyou 2 mi nw Scott Bar (Scott River); Klamath-Siskiyou Region, Scott River 487 Comment
  UC403987  Phoradendron libocedri Mrs. K. J. Stirring 1904-1 Siskiyou Etna Mills Comment
  HSC19153  Phyllodoce empetriformis J. O. Sawyer 1969-7-2 995 Siskiyou Shore of Paynes Lake 1982 Comment
  UC413093  Phyllodoce empetriformis Harley P. Chandler June, 1901 1611 Siskiyou near Marble Mountain (Klamath River to [Marble Mountain]); North Coast Ranges Comment
  UCR219537  Phyllodoce empetriformis R. F. Thorne, Frederick W. Oettinger 1969-8-4 63364 Siskiyou Salmon Mountains, Klamath National Forest, Marble Mountain Wilderness Area, vicinity of English Peak 2098 Comment
  SEINET7270862  Phyllodoce empetriformis G. D. Butler 1910-7-8 1686 Siskiyou Shackleford Creek 1829 Comment
  CDA5887  Physalis longifolia T. C. Fuller 1966-10-6 15246 Siskiyou Clement ranch, 5 miles north of Montague. 0 Comment
  CAS-BOT-BC60759  Physaria occidentalis Geo. D. Butler 1909-4-24 588 Siskiyou Cherry Creek. Comment
  CAS-BOT-BC60760  Physaria occidentalis Geo. D. Butler 1910-5-15 1342 Siskiyou Greenhorn Mountain. 1066 Comment
  CAS-BOT-BC60764  Physaria occidentalis K. T. Stillman 1976-7-7 172 Siskiyou Marble Mountain Wilderness Area. Comment
  HSC31543  Physocarpus capitatus Steve Selva, Roger Jensen 1974-8-23 38 Siskiyou Along trail to Devils Punchbowl Comment
  UC555305  Physocarpus capitatus D. Tebbe 1929-7-15 117 Siskiyou Mt Eddy Comment
  UC70378  Physocarpus capitatus Milo S. Baker July 1899 Siskiyou e slope Mt Shasta (on Ash Creek) Comment
  CAS-BOT-BC228582  Picea breweriana Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-20 1935 Siskiyou Russian Wilderness, Klamath National Forest. Along Sugar Creek Trail to Sugar Lake from trailhead off forest road 41N14 1755 Comment
  NY30484  Picea breweriana P. Bennett 1928-7-11 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  LA86570  Picea engelmannii J. M. Tucker; 1963-7-5 3707 Siskiyou lower Blake's Fork of S Russian Creek (a tributary of Salmon River), ca. 7 mi (airline) E of Skiskiyou County 1523 Comment
  POM264685  Picea engelmannii L. E. Berriman 1940-8-30 s.n. Siskiyou Sugar Creek, a tributary of the Scott River; Mount Diablo Meridian 1433 Comment
  UC60967  Pinus albicaulis Geo. B. Grant 1902-9-1 5123 Siskiyou Horse Camp Mount Shasta, Horse Camp 2438 Comment
  UC1409508  Pinus attenuata Frederick W. Oettinger 1968-9-3 685 Siskiyou talus slope on ridge nw of Horse Range Lake (w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  JEPS46803  Pinus balfouriana James B. Roof, Irja Knight 1962-10-23 Siskiyou 6 mi e of Callahan (between Mill Creek Lake and Washbasin Lakes, Salmon-Trinity Alps Primitive Area); Klamath National Forest, Salmon-Trinity Alps, Scott Mountain 1828 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
  HSC44742  Pinus jeffreyi Maralyn O'Meara 1974-5-25 446 Siskiyou On Rd. 8, 2.4 mi. W of junction with Hwy. 3 1006 Comment
  HSC69520  Pinus jeffreyi Maralyn A. Renner 1980-6-26 1288 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  CAS-BOT-BC78779  Pinus lambertiana W. R. Dudley 1899-8-9 s.n. Siskiyou Side of Black Butte Comment
  CAS-BOT-BC78780  Pinus lambertiana J. H. Thomas 1954-5-13 4135 Siskiyou Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville; Vicinity of Blind Horse Creek 1066 Comment
  HSC69287  Pinus monticola Maralyn A. Renner 1980-7-24 1950 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  SEINET10966122  Pinus ponderosa Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-2 Conrad 6982 Siskiyou Western Yellow Pine, Libocedrus, Douglas Fir forest, 6 mi SW of Callahan. 1524 Comment
  RSA237359  Pinus washoensis Frederick W. Oettinger 1968-9-4 701 Siskiyou On a northwest-tending ridge from the peak between Abbotts Lake and Lake of the Island---just below the peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  CHSC2354  Piperia unalascensis 1936-6-26 Siskiyou Mt. Shasta City. 1097 Comment
  HSC40752  Pityopus californicus Ed Cope 1977-7-16 130 Siskiyou Marble Mountain Wilderness Area. 2 1/2 mi. from beginning (at Lick Creek) on Johnson's Hunting Grounds Trail. Bulk Collection 114 1707 Comment
  JEPS69749  Plagiobothrys hispidus W. B. and V. G. Cooke 1972-6-30 45416 Siskiyou above Andesite Crossing (Military Pass Road); Mt. Shasta 1524 Comment
  HSC67609  Plantago lanceolata J. P. Smith, Steve Selva 1970-7-16 4392 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  HSC44572  Platanthera dilatata var. leucostachys Laura Witherspoon 1977-7-30 Siskiyou Flint Valley 1341 Comment
  SD104886  Platanthera dilatata var. leucostachys Darley F. Howe 1979-6-25 51 Siskiyou 17.8 miles southeast of Somes Bar. Comment
  HSC4863  Platanthera sparsiflora J. O. Sawyer 1968-7-10 506 Siskiyou On Sugar Creek just above confluence with S Sugar Creek 1707 Comment
  SJSU6500  Platanthera sparsiflora R. W. Trivelpiece 1972-6-15 115 Siskiyou Vann Creek near Bear Peak, SW of Happy Camp 1280 Comment
  CAS-BOT-BC136655  Platanthera stricta Gilbert Muth 1965-8-4 169 Siskiyou Field redacted by CAS, contact the data manager for more information 1792 Comment
  UCSB22015  Plectritis congesta Smith, Dale 1968-5-10 Siskiyou Roadside, 6 miles north of Yreka Comment
  CHSC86624  Plectritis macrocera Jenny Marr 1993-7-1 7 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC1540013  Plectritis macrocera M. Mitchell 1936-5-8 2 Siskiyou 2 mi e of Schonchin Butte (Lava Beds National Monument); Lava Beds National Monument 1371 Comment
  UC573575  Plectritis macrocera M. H. Mitchell 1936-5-8 2 Siskiyou 2 mi e of Schonchin Butte 1371 Comment
  RSA22160  Poa J. T. Howell 1937-7-24 13403 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  UC1265390  Poa bolanderi Frederick W. Oettinger 1969-8-16 1395 Siskiyou sw of Wire Grass Meadow above English Lake; Salmon Mts, High Lake Basins, Marble Mt Wilderness Area 1676 Comment
  CAS-BOT-BC255000  Poa bulbosa Dorothy Parker 1949-4-19 75 Siskiyou McConachie Gulch, Scott Valley 883 Comment
  SEINET7096765 Image available Poa bulbosa A. G. Vestal 1955-5-17 s.n. Siskiyou Scott Valley. 0.8 miles north of Etna on Route 3. NAD27 41? deg. 28' 13ao, -122?_ 53' 51ao (converted to WGS84 decimal degrees) UTM Zone 10, 508563mE, 4590750mN. Comment
  UCD90667  Poa bulbosa Morris Halperin 1930-7-11 310 a Siskiyou outskirts of Eureka. Comment
  HSC76674  Poa glauca subsp. rupicola K. T. Stillman 1976-7-21 281 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  POM112585  Poa nervosa Geo D. Butler 1910-5-10 1318 Siskiyou Goosenest foothills 1677 Comment
  HSC26622  Poa pratensis J. P. Smith, Steve Selva 1970-6-15 3953 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  HSC26631  Poa pratensis J. P. Smith, Steve Selva 1970-6-16 4011 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  HSC58891  Poa pratensis Marvin Butler 1971-7-21 193 Siskiyou Near Bell Echo Camp, close to town of Cave Junction. 1433 Comment
  RSA238410  Poa pratensis Frederick W. Oettinger 1969-8-5 1191 Siskiyou English Lake to Abbotts. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC256015  Poa pratensis William M. Hiesey 1947-8-23 556 Siskiyou Klamath River along Highway 96, one mile west of Beaver Creek, 2 mi. N. of Walker 548 Comment
  SEINET10605106  Poa pratensis H. E. Brown 1897-6-1 Brown 374 Siskiyou Near Sisson 1084 Comment
  UC1037088  Poa pratensis subsp. pratensis Leo Whitney 1934-6-29 2222 Siskiyou near Tennant (Antelope Creek) 1463 Comment
  UC642584  Poa pringlei Jason Swallen 1939-7-26 13755 Siskiyou lava slopes below Lake Helen (on Summit Trail); Mt Shasta Comment
  RSA238381  Poa secunda Frederick W. Oettinger 1968-9-1 642 Siskiyou South of Abbott's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  SEINET8078289 Image available Poa secunda Louis C. Wheeler 1934-1 3076 Siskiyou Siskiyou Mts., Head Jaynes Canyon. 1920 Comment
  UC1540255  Poa secunda subsp. juncifolia Dean Wm. Taylor and Glenn L. Clifton 1987-6-24 9060 Siskiyou Tom Young Flat; McCloud River drainage 1280 Comment
  CAS-BOT-BC243223  Poa secunda subsp. secunda Douglas Barbe 1959-7-4 530 Siskiyou N shore of Caribou Lake, about 4 miles SW of Big Flat Camp, Klamath National Forest 2103 Comment
  CAS-BOT-BC243238  Poa secunda subsp. secunda John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53443 Siskiyou 7 miles E of Callahan on road to Gazelle 1173 Comment
  SJSU6477  Poa secunda subsp. secunda R. W. Trivelpiece 1972-6-9 104 Siskiyou c. 4 mi E of Grass Lake 1524 Comment
  SJSU6534  Poa secunda subsp. secunda R. W. Trivelpiece 1973-6-28 160 Siskiyou Big Duck Lake, Scott River drainage c. 7.5 mi due west of Callahan 2042 Comment
  UC1132806  Poa secunda subsp. secunda H. S. Yates 1936-6-21 5816 A Siskiyou 6 mi n Gazelle; Yreka Quadrangle Comment
  HSC19298  Polemonium californicum J. O. Sawyer 1969-6-2 1007 Siskiyou Summit above Albert Lake 2256 Comment
  JEPS69915  Polemonium californicum W. L. Jepson 1907-7-5 2827 Siskiyou Marble Mt. Comment
  UC1072720  Polemonium californicum Douglas Barbe 1955-7-6 132 Siskiyou shore Taylor Lake Klamath Mountains, , Taylor Lake (Salmon Mts.) 1950 Comment
  RSA183689  Polemonium californicum Gilbert Muth 1965-8-8 196 Siskiyou Rim trail, Marble Mt, Marble Mountains 1829 Comment
  JEPS111026  Polemonium chartaceum Sue Pappalardo 1997-8-9 973 Siskiyou Mt. Shasta Ranger District; Mt. Eddy summit. Growing approx. 5 meters north of old ruins of lookout buildings at summit. Slope<10% 2740 Comment
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Jul 22 2018
  CAS-BOT-BC231305  Polemonium pulcherrimum L. R. Short 1933-8-6 21 Siskiyou Klamath National Forest. Bear Lake, Marble M. 2072 Comment
  RSA237352  Polemonium pulcherrimum Frederick W. Oettinger 1967-7-8 165 Siskiyou South of Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  CAS-BOT-BC6423  Polemonium tricolor Harley Pierce Chandler 1901-6-1 1671 Siskiyou North Coast Ranges, Marble Mountain 2438 Comment
  CHSC63519  Polygala cornuta var. cornuta Vernon H. Oswald; Lowell Ahart 1994-8-1 6417 Siskiyou Forest Rd. 26 paralleling the South Fork of the Sacramento River, 1.5 mi E of Forest Rd. 40N43, 7.8 mi SW of the dam at Lake Siskiyou. On a roadcut. 1341 Comment
  UC484058  Polygala cornuta var. cornuta Carl B. Wolf 1930-10-22 1756 Siskiyou along Pacific Highway 3 mi n Mt. Shasta City 1219 Comment
  RSA237802  Polygonum aviculare Frederick W. Oettinger 1969-8-24 1531 Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1829 Comment
  CDA2794  Polygonum cuspidatum Don Shaw 1971-9-23 Siskiyou Alexander property, Slough Road, Edgewood. 0 Comment
  RSA50151  Polygonum davisiae E. K. Balls 1949-7-9 13946 Siskiyou Salmon Mtns. top of pass on rd from Etna to Sawyer's Bar. 1479 Comment
  HSC708  Polygonum douglasii William J. Ferlatte 1967-8-19 1036 Siskiyou South Fork of Salmon River, between campground and Carter's. 1524 Comment
  JEPS69757  Polygonum douglasii W. B. and V. G. Cooke 1972-6-30 45414 Siskiyou Military Pass Rd. above Andesite crossing; Mt. Shasta 1524 Comment
  RSA756974  Polygonum douglasii Barbara J. Ertter 1990-7-14 93101 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
  JEPS50557  Polygonum douglasii subsp. johnstonii W. L. Jepson 1937-7-30 18539 Siskiyou near Poker Flat (summit of mts.); Siskiyou Mts. 1554 Comment
  CAS-BOT-BC418588  Polygonum minimum J. M. Tucker; L. K. Mann 1963-8-17 3743 Siskiyou Beside trail from Red Rock Valley to top of ridge to south, and near top of ridge; Marble Mountain Wilderness Area 1889 Comment
  CAS-BOT-BC418590  Polygonum minimum Doris K. Kildale 1930-8-24 9051 a Siskiyou Rattlesnake Meadow, trail to Preston Peak 1676 Comment
  JEPS50641  Polygonum phytolaccifolium W. L. Jepson 1937-7-30 18565 Siskiyou Poker Flat Siskiyou Mts. (headwaters Indian Creek) 1584 Comment
  HSC60788  Polygonum polygaloides subsp. kelloggii Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley. 1524 Comment
  UC1408814  Polygonum polygaloides subsp. kelloggii Frederick W. Oettinger and R. F. Thorne 1967-8-7 1264 Siskiyou English Lake meadows Salmon Mountains, Marble Mountain Wilderness Area (w Siskiyou Co.) 1828 Comment
  CAS-BOT-BC420951  Polygonum sawatchense subsp. sawatchense Herbert L. Mason 1948-7-18 13623 Siskiyou Grass Lake Comment
  LA51273  Polygonum shastense Lincoln Ellison; 1928-9-11 510 Siskiyou Mount Shasta, SW slope of mountain 2438 Comment
  RSA31752  Polygonum shastense A. A. Heller 1920-8-12 13520 Siskiyou Spring above Horse Camp Comment
  HSC76893  Polygonum spergulariiforme K. T. Stillman 1976-9-9 489 Siskiyou Marble Mtn. Wilderness Area; trail from jump off to Paradise Lake 1951 Comment
  POM104534  Polygonum spergulariiforme Geo. D. Butler 189 Siskiyou Dry hills near Yreka. Comment
  HSC10837  Polypogon monspeliensis C. B. Wolf 1927-8-26 Siskiyou Klamath River, 14 mi. above Happy Camp Comment
  JEPS107672  Polypogon monspeliensis Lowell Ahart, John Dittes 2005-6-9 12003 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  UC150381  Polystichum imbricans subsp. imbricans A. A. Heller 1905-6-17 8061 Siskiyou near Sisson Comment
  HSC75353  Polystichum kruckebergii J. O. Sawyer, M. Mesler 1980-8-11 4037 Siskiyou Along Pacific Crest Trail just N of Jump Off in the Marble Mtn. Wilderness area Comment
  CAS-BOT-BC72383  Polystichum lemmonii Alice Eastwood 1912-8-30 2043 Siskiyou Mount Eddy Comment
  UC338377  Polystichum lemmonii J. G. Lemmon and wife Sep 1889 Siskiyou s slope Mt. Eddy (near Mt. Shasta) Comment
  RSA60633  Polystichum lemmonii I. L. Wiggins 1950-5-28 12378 Siskiyou Just above Grouse Lake, headwaters of Grouse Lake 1829 Comment
  CAS-BOT-BC72400  Polystichum lonchitis Louis C. Wheeler 1934-8-10 3100 Siskiyou Dead Cow Creek, Siskiyou Mts. 1889 Comment
  CAS-BOT-BC72404  Polystichum lonchitis J. M. Tucker 1963-8-19 3772 Siskiyou headwaters of Canyon Creek, Marble Mountain Wilderness Area 1950 Comment
  HSC26110  Polystichum lonchitis J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5681 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  RSA237507  Polystichum lonchitis Frederick W. Oettinger 1968-8-6 421 Siskiyou On SE corner of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  RSA331958  Polystichum scopulinum W. Wisura, Dave Kelly 1985-7-31 4078 Siskiyou Kangaroo Lake, Scott Mtns.; on rocks above and beyond the granite rocks near campground Comment
  SD82093  Polystichum scopulinum Louis C. Wheeler 1934-8-26 3225 Siskiyou Siskiyou Mountains, Trapper Creek, Mt. Diablo Mer. 1980 Comment
  HSC92664  Polystichum scopulinum Jennifer Whipple 1978-7-20 2364 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River 2439 Comment
  CAS-BOT-BC445249  Portulaca oleracea Doris K. Kildale 1928-7-25 5884 Siskiyou Klamath River at Mack's Creek near Humbug. Comment
  CDA17145  Potamogeton crispus G. F. Hrusa 2001-6-6 15859 Siskiyou Siskiyou Mountains; Klamath River, +/- 1.5 mi. E of Ft. Goff campground. 350 Comment
  CAS-BOT-BC453682  Potamogeton gramineus Calvin McMillan; Malcom A. Nobs 1949-6-17 801 Siskiyou Grass Lake, Highway 97 Comment
  RSA238841  Potamogeton pusillus subsp. tenuissimus Frederick W. Oettinger 1969-8-22 1494 Siskiyou Mucky bottom of Horses Hole. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  HSC90588  Potentilla cristae Jennifer Whipple 1976-7-1 1222 Siskiyou Wagon Creek drainage near Wagon Creek 2409 Comment
  HSC23695  Potentilla flabellifolia J. O. Sawyer 1969-8-5 1739 Siskiyou W of Little Duck Lake 2073 Comment
  UC922313  Potentilla flabellifolia Annie M. Alexander and Louise Kellogg 1949-7-28 5875 Siskiyou Sky High Valley , Sky High Valley (Marble Mountains) 1767 Comment
  UC609368  Potentilla fruticosa Eleanor Hart 1938-8-16 Siskiyou Edge of Lower Wright Lake, east side 2072 Comment
  CHSC1574  Potentilla glandulosa subsp. ashlandica M. Yoder 1941-7-12 Siskiyou Castle Lake. 1981 Comment
  POM88259  Potentilla glandulosa subsp. ashlandica Geo. D. Butler 1908-8-5 348 Siskiyou West Fork of Wooley Creek. 1677 Comment
  UCR64578  Potentilla gracilis William J. Ferlatte 1966-8-3 260 Siskiyou Mountain Meadow Ranch, weedy area around buildings 1524 Comment
  HSC69007  Potentilla gracilis var. fastigiata Maralyn A. Renner 1980-7-24 2051 Siskiyou Lily Pad Lake 1768 Comment
  RSA119332  Potentilla gracilis var. fastigiata S. S. Tillett 1956-7-11 684 Siskiyou Meadows on both sides of Scott Mtn. divide, near campground; Siskiyou-Trinity cos. line, about 8 miles SE of Callahan 1616 Comment
  CAS-BOT-BC540557  Potentilla gracilis var. fastigiata A. A. Heller 1919-6-20 13258 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  UC420585  Potentilla gracilis var. fastigiata Annie M. Alexander and Louise Kellogg 1911-7-16 247 Siskiyou South Fork Salmon River 1524 Comment
  UC538009  Potentilla millefolia Leo Whitney 1934-6-10 3035 Siskiyou Tennant Dorris Quad., , Tennant (Antelope Creek) 1219 Comment
  POM253374  Potentilla millefolia A. A. Heller 1938-7-13 15266 Siskiyou About 1 mile S of Bray. 1402 Comment
  POM264923  Potentilla millefolia Louis C. Wheeler 1935-6-23 3590 Siskiyou Shasta River 2 miles NW Montague 762 Comment
  SEINET182279  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-BC516385  Prosartes hookeri Wm. Bridge Cooke 1941-6-7 16021 Siskiyou On the east base of Mt. Eddy 1066 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
  CDA26147  Prunus emarginata M. S. Bergseng 1959-5-12 2362 Siskiyou North of Dunsmuir, Mt. Shasta region. 0 Comment
  HSC60166  Prunus emarginata J. P. Smith 1976-5-21 8763 Siskiyou Klamath National Forest, FS Rd. 40N08, 6.9 mi. from its junction with Hwy. 3 1524 Comment
  RSA531258  Prunus emarginata Walter Wisura 1991-9-3 4574 Siskiyou Along road to Castle Lake, W of town of Mt. Shasta. Comment
  UCD35440  Prunus emarginata Beecher Crampton 1956-8-21 3851 Siskiyou Sacramento River Canyon just above the north fork junction with the middle and south Forks. 1066 Comment
  UC164301  Prunus subcordata Geo. D. Butler 644 Siskiyou Humbug Divide Comment
  UC673252  Prunus subcordata Lincoln Constance, Reed C. Rollins 1942-5-14 2922 Siskiyou 3 mi w of Yreka (Road to Walker Post Office); Klamath-Siskiyou Region 1219 Comment
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Mar 27 2013
  CAS-BOT-BC151241  Prunus virginiana var. demissa Doris K. Kildale 1928-8-20 6638 Siskiyou Head of North Fork of Salmon River at Finley's upper camp. Comment
  HSC18827  Prunus virginiana var. demissa R. C. Wunner 1965-6-6 97 Siskiyou California Lava Beds National Monument; Lower Caldwell Ice Cave 1402 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
  SBBG21935  Pseudognaphalium thermale D. Myrick 1964-7-25 972 Siskiyou Panther Meadows below Ski Bowl Lodge, Mt Shasta 2346 Comment
  OBI55445  Pseudognaphalium thermale David J. Keil 1992-7-20 23503 Siskiyou Klamath Natl Forest, SW of Fort Jones. along Forest rd 46N64, 2.8 mi W of Scott river Rd Comment
  POM358887  Pseudognaphalium thermale Chadwick, Chadwick 1911-07 1931 Siskiyou Shasta Springs. Comment
  CAS-BOT-BC239808  Pseudoroegneria spicata Louis C. Wheeler 1934-6-29 2831 Siskiyou Klamath National Forest, Soda Creek 1066 Comment
  RSA68884  Pseudostellaria jamesiana A. E. Culbertson 1943-7-2 72 Siskiyou Along Castle Lake road from town of Shasta, 6600ft eastern spur of Trinity Mts, 10 air miles from headwaters of Sacramento River to w and 12 miles SW of Mt Shasta 1219 Comment
  HSC92199  Pterospora andromedea Jennifer Whipple 1976-9-3 1766 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2256 Comment
  UC1292079  Pteryxia terebinthina var. californica A. A. Heller 1928-6-9 14597 Siskiyou yellow pine forest on Spring Hill near Sisson Comment
  UCD91861  Puccinellia distans R. Tofsrud 1949-8-4 s.n. Siskiyou between Grenada and Gazelle, Hwy. 99. Comment
  CHSC88366  Puccinellia nuttalliana Jenny Marr 1993-7-1 172 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  SEINET236688 Image available Puccinellia nuttalliana Louis C. Wheeler 1935-6-30 3635 Siskiyou 3 mi. south of Grenada Shasta Valley 792 Comment
  JEPS44606  Purshia tridentata var. tridentata W. L. Jepson 1940-6-28 20057 Siskiyou McCloud 975 Comment
  UC860303  Purshia tridentata var. tridentata A. A. Heller 1916-6-23 12439 Siskiyou near Black Butte (n of Sisson) 1127 Comment
  CAS-BOT-BC460867  Pyrola aphylla G. P. Rixford no date on label s.n. Siskiyou Hilt Comment
  CHSC1410  Pyrola asarifolia subsp. asarifolia V. Holt 1932-6-28 Siskiyou S. S. Campus, Mt. Shasta City. 1097 Comment
  RSA238344  Pyrola californica Frederick W. Oettinger 1969-8-14 1364 Siskiyou At inlet to Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  RSA238561  Pyrola californica Frederick W. Oettinger 1968-8-7 441 Siskiyou Along inlet stream to Tobacco Lake and due SW of it. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC270  Pyrola crypta William J. Ferlatte 1967-8-21 1073 Siskiyou Sawtooth Ridge between Caribou Basin and Little S Fork Lake 2287 Comment
  RSA0080540  Pyrola crypta Frederick W. Oettinger 1969-8-31 1570 Siskiyou North side of English Peak along Tanner's Peak Trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  CAS-BOT-BC462801  Pyrola dentata Doris K. Kildale 1929-7-20 8646 Siskiyou Trail up South Fork Indian Creek to Elk Lick Comment
  HSC30474  Pyrola dentata Frederick W. Oettinger 1969-8-9 1325 Siskiyou Salmon Mts., before Hen Creek along main N Fork Trail between Fivemile Stockgate and Abbott's Upper Cabin 1098 Comment
  HSC67673  Pyrola minor John Palmer 1980-7-24 594 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  HSC19200  Pyrola picta J. O. Sawyer 1968-9-10 689 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  CAS-BOT-BC466132  Pyrola picta Gilbert Muth 1965-8-10 s.n. Siskiyou Marble Valley and long upper trails Comment
  UC595075  Pyrrocoma racemosa var. pinetorum David D. Keck 1938-8-8 4862 Siskiyou 3 mi se Scott Mt. Lodge (ridge between Mill Creek and Mule Creek); Scott Mts. 1340 Comment
  UC1409457  Quercus chrysolepis Frederick W. Oettinger 1969-8-16 1252 Siskiyou lower Toms Lake Basin, w Siskiyou County Salmon Mountains, Marble Mountain Wilderness Area 1859 Comment
  CAS-BOT-BC94662  Quercus garryana Alice Eastwood 1921-7-22 10710 Siskiyou near Dunsmuir Comment
  CAS-BOT-BC94665  Quercus garryana L. R. Abrams 1924-8-7 9895 Siskiyou Klamath River 6 miles below Hornbrook Comment
  UC767801  Quercus garryana Wm. H. Brewer 1463 Siskiyou valley of Cow Creek Comment
  UC1311637  Quercus garryana Robert J. Rodin 1965-8-23 7159 Siskiyou just s Oregon border (Highway 99, in California) Comment
  CAS-BOT-BC62763  Quercus garryana var. breweri Doris K. Kildale 1928-8-19 6531 Siskiyou on trail from English Lake to top of Divide to Hancock Lake Comment
  RSA237384  Quercus garryana var. breweri Frederick W. Oettinger 1968-9-5 703 Siskiyou Above English Lake, about halfway up to Diamond Lake along the trail from English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  POM106330  Quercus garryana var. garryana Geo. D. Butler 1908-8-16 233 Siskiyou Yreka Hills. Comment
  UCR37560  Quercus garryana var. garryana K. B. Barrows, C. G. Phillips, L. Cole, S. A. Haultain 1984-5-27 108 Siskiyou Scott River Road, 10.6 mi. north of Indian Scotty Campground 610 Comment
  CAS-BOT-BC104356  Quercus sadleriana W. J. Ferlatte 1988-8-24 2118 Siskiyou near Des Moines Cr. on road 18N30, 0.1 miles from road to O'Brien; 17 miles N of Happy Camp 1066 Comment
  CAS-BOT-BC104362  Quercus sadleriana Louis C. Wheeler 1934-8-6 3048 Siskiyou Klamath National Forest, Jaynes canyon 1859 Comment
  CDA22028  Quercus sadleriana D. G. Kelch 2007-7-25 7 .499 Siskiyou Indian Creek Rd., just S of Greyback Summit. Comment
  HSC99825  Quercus sadleriana G. L. Clifton, Griswold 1979-6-28 6142 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  RSA13711  Quercus sadleriana Louis C. Wheeler 1934-8-6 3048 Siskiyou Siskiyou Mountains: Yaynes Canyon, Mt. Diablo Mer. 1860 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
  UCD59190  Quercus sadleriana Steve Edwards; Wayne Roderick 1983-7-10 105 Siskiyou East of Cook and Green Pass 1524 Comment
  UCR210398  Quercus sadleriana J. R. Shevock, David Toren 2000-9-1 20099 Siskiyou Siskiyou Mountains, Rogue River National Forest, Applegate River Drainage, along trail 959 toward Bear Gulch about 100 yards north of Cook and Green Pass off of road 1055 1433 Comment
  UCSB57179  Quercus sadleriana Holloway, Sandra 1963-10-12 Siskiyou Junction Red Rock Valley trail and Canyon Creek trail (T.43.R.11W., southeast corner section 7), Marble Mountain Wilderness Area Comment
  CAS-BOT-BC104628  Quercus vacciniifolia John Thomas Howell 1937-6-26 13522 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC104633  Quercus vacciniifolia John M. Tucker 1948-8-3 1776 Siskiyou 6.77 mi (bi road) below the summit of Happy Camp-Waldo road Comment
  UC1040687  Quercus vacciniifolia Beecher Crampton 1956-8-21 3847 Siskiyou just above junction of the North Fork with the South and Middle Fork; Canyon of the Sacramento River 1066 Comment
  JEPS87838  Raillardella pringlei Lowell Ahart 1994-7-11 7546 Siskiyou on upstream side of Forest Road 26 (to Mt. Shasta) ca. 0.5 mi ne Gumboot Lake (w of Dunsmuir); Gumboot Creek 1783 Comment
  CAS-BOT-BC380415  Ranunculus alismifolius var. hartwegii Dorothy Parker 1946-6-12 136 Siskiyou along marshy edges of Middle Boulder Lake 488 Comment
  SEINET5338679  Ranunculus flammula G. Butler 1910-7-12 1741 Siskiyou Shackleford Creek. 1219 Comment
  HSC60673  Ranunculus flammula var. ovalis Ruby Van Deventer Siskiyou Bear Meadow. Comment
  POM100034  Ranunculus occidentalis Geo. D. Butler 1909-3-14 507 Siskiyou Dry ditch near Yreka Comment
  HSC78182  Ranunculus orthorhynchus var. orthorhynchus L. P. Janeway 1983-7-10 404 Siskiyou Poker Flat 1524 Comment
  SBBG2264  Ranunculus orthorhynchus var. orthorhynchus H. and M. Dearing 1939-6-5 3555 c Siskiyou E of McCloud 1066 Comment
  JEPS94251  Rhamnus rubra Vernon H. Oswald and Lowell Ahart 1998-6-11 9188 Siskiyou ne of Weed (Shasta National Forest plantation on w side of Highway 97, 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest, Highway 97 1066 Comment
  POM244253  Rhamnus rubra subsp. obtusissima Carl B. Wolf 1930-10-22 1755 Siskiyou 3 miles N of Mt. Shasta City on the Pacific Hwy 1220 Comment
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Sep 10 2010
  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-BC53739  Rhododendron columbianum Gilbert J. Muth 1969-8-10 1349 Siskiyou Buckhorn Lake, along shore 2255 Comment
  CAS-BOT-BC58186  Rhododendron columbianum Volney Rattan 1879-1-1 10345 Siskiyou Illinois River. Comment
  SEINET3155932  Rhus trilobata var. quinata G. D. Butler 1910-6-29 1615 Siskiyou near Yreka Comment
  UC61673  Ribes W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson Mount Shasta Comment
  UC165928  Ribes aureum Geo. D. Butler 1910-4-19 1203 Siskiyou Yreka Creek Comment
  SEINET5343345  Ribes aureum G. Butler 1910-6-12 1559 Siskiyou Yreka Creek Comment
  CAS-BOT-BC92532  Ribes binominatum W. R. Dudley 1901-8-18 s.n. Siskiyou Near Jackson Lake, Salmon Mountains. Comment
  CAS-BOT-BC92535  Ribes binominatum John Thomas Howell 1937-7-25 13458 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  SBBG28485  Ribes cereum A. A. Heller 1938-7-12 Siskiyou US Hwy 97, 8 mi N of Weed Comment
  UC1037214  Ribes cereum Leo Whitney 1934-6-17 1577 Siskiyou Canyon side Mount Shasta 2438 Comment
  UC1127414  Ribes cereum M. H. Mitchell 1936-5-8 5 Siskiyou 1/2 mi w Incline Cone (close to road); Modoc Lava Beds Natl. Mon., Dorris Quadrangle Comment
  CAS-BOT-BC108767  Ribes cereum Ella Dales Cantelow 1938-7-2 2369 Siskiyou 12.5 miles east of Sierra City. Comment
  CAS-BOT-BC168871  Ribes inerme var. klamathense E. Bethel 1923-6-20 1053 Siskiyou Weed Comment
  CAS-BOT-BC173286  Ribes lacustre W. R. Dudley 1899-8-22 s.n. Siskiyou Craggy Mt. along brook toward Spring Comment
  CAS-BOT-BC173290  Ribes lacustre Roxana S. Ferris; Laura Lorraine 1948-6-12 11752 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  HSC49898  Ribes lacustre Maralyn O'Meara 1973-6-5 197 Siskiyou 1.0 mi. up Duck Lakes Trail along a trail crossing stream Comment
  CAS-BOT-BC173380  Ribes lobbii Doris K. Kildale 1928-8-18 6436 Siskiyou Near head of north fork of Salmon River at Finley's Upper Camp 1524 Comment
  CAS-BOT-BC173396  Ribes lobbii John Thomas Howell 1939-8-10 15285 Siskiyou Grindstone Camp, Canyon Creek, Marble Mts. Comment
  CAS-BOT-BC219267  Ribes nevadense A. A. Heller 1905-6-5 7967 Siskiyou Near Shasta Springs Comment
  HSC32249  Ribes nevadense J. O. Sawyer 1970-6-17 2208 Siskiyou On trail to South Sugar Lake 1829 Comment
  HSC809  Ribes nevadense William J. Ferlatte 1967-7-25 734 Siskiyou Caribou Basin 1982 Comment
  UC921814 Image available Ribes nevadense John Thomas Howell 1937-7-26 13528 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  RSA0024604  Ribes roezlii M. B. Dunkle 1945-7-8 9211 Siskiyou Big Rock Basin, Canyon Creek. Klamath National Forest, Marble Mountains. Comment
  CAS-BOT-BC199980  Ribes roezlii var. cruentum John H. Thomas 1954-5-14 4185 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville 1219 Comment
  CAS-BOT-BC199996  Ribes roezlii var. cruentum Marion Ownbey; Fred G. Meyer 1940-7-6 2197 Siskiyou Near summit of Cayenne Ridge on south side, Marble Mountain Comment
  CAS-BOT-BC200009  Ribes roezlii var. cruentum Geo. D. Butler 1910-6-7 1535 Siskiyou Oro Fino Comment
  JEPS49462  Ribes roezlii var. cruentum W. L. Jepson 1902-7-17 2059 Siskiyou trail to Devil's Backbone; Trinity Summit 2133 Comment
  CAS-BOT-BC186286  Ribes roezlii var. roezlii A. A. Heller 1915-7-15 12078 Siskiyou Mt. Eddy 2072 Comment
  CAS-BOT-BC186290  Ribes roezlii var. roezlii Laura M. Lathrop 1903-7-22 s.n. Siskiyou Shasta Retreat Comment
  CAS-BOT-BC144519  Ribes sanguineum var. sanguineum Geo. D. Butler 1910-7-12 1759 Siskiyou Dry ridge, Shackleford Creek 1371 Comment
  HSC65618  Ribes sanguineum var. sanguineum J. P. Smith, Steve Selva 1970-6-16 4078 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  CAS-BOT-BC173903  Ribes velutinum Lyman Benson 1929-3-27 1074 Siskiyou Rocky ledges by the Pacific Highway on Klamath River Comment
  HSC20361  Ribes velutinum R. C. Wunner 1965-7-1 337 Siskiyou Lava Beds National Monument, near N Prefab. 1433 Comment
  CAS-BOT-BC168809  Ribes viscosissimum John Thomas Howell 1939-8-2 14923 Siskiyou Spirit Lake, Marble Mts. Comment
  HSC49421  Ribes viscosissimum J. O. Sawyer 1968-9-8 760 Siskiyou Below Young's Meadow on Clear Creek 1402 Comment
  HSC13752  Romanzoffia californica Lincoln Constance, R. C. Rollins 1942-5-13 2904 Siskiyou Klamath River, 4 mi. E of Seiad 457 Comment
  POM265892  Romanzoffia californica Lincoln Constance, R. C. Rollins 1942-5-13 2904 Siskiyou Klamath-Siskiyou Region: Klamath River 4 miles east of Seiad. 457 Comment
  CAS-BOT-BC74657  Rorippa curvisiliqua H. E. Brown 1897-7-15 573 Siskiyou South side of Mount Shasta. 304 Comment
  JEPS53851  Rorippa curvisiliqua Geo. D. Butler 1908-7-16 118 Siskiyou Butler's Ranch near Yreka, Butler's Ranch Comment
  RSA184740  Rorippa curvisiliqua Gilbert Muth 1966-7-19 423 Siskiyou Horse pasture above camp, Marble Mtns. 1799 Comment
  RSA761680  Rorippa curvisiliqua R. F. Thorne, Frederick W. Oettinger 1969-8-4 63353 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  UC165303  Rorippa nasturtium-aquaticum Geo. D. Butler 1909-6-5 1056 Siskiyou near Yreka; near Yreka Comment
  UC1795619  Rosa canina Barbara Ertter 2001-6-9 17667 Siskiyou Mt. Shasta City at west base of Mt. Shasta, sedge meadow at SE corner of Lake and Commercial streets [destroyed for development in 2002] 1066 Comment
  CAS-BOT-BC146742  Rosa gymnocarpa John Thomas Howell 1939-8-4 15036 Siskiyou Between Elk Mt. and Marble Rim, Marble Mts. Comment
  HSC19388  Rosa gymnocarpa J. O. Sawyer 1968-9-10 679 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  JEPS47278  Rosa gymnocarpa Ruby Van Deventer 1938-7-31 271 Siskiyou Twin Valley 1219 Comment
  POM140328  Rosa gymnocarpa E. B. Copeland 1903-9-5 3874 Siskiyou Foot of Mt Eddy 1220 Comment
  UC60890  Rosa gymnocarpa W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson Mount Shasta Comment
  UC618738  Rosa gymnocarpa W. B. Cooke 1938-6-24 11094 Siskiyou MacBride Spring Road Mount Shasta 1524 Comment
  CAS-BOT-BC147054  Rosa pisocarpa C. B. Wolf 1931-9-2 2390 Siskiyou Near Fish Hatchery, Mt. Shasta City (Sisson) 1066 Comment
  CAS-BOT-BC147079  Rosa pisocarpa A. A. Heller 1915-7-18 12112 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  SDSU9231  Rosa spithamea D. F. Howe 1977-7-1 4974 Siskiyou Scott Mountain Creek Road. 1097 Comment
  CAS-BOT-BC149738  Rosa woodsii subsp. ultramontana Alice Eastwood 1912-7-15 1119 Siskiyou [Mc Cloud] McCloud Comment
  UC60895  Rosa woodsii var. ultramontana W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson Comment
  CHSC69082  Rotala ramosior Vernon Oswald; Lowell Ahart 1997-7-28 8807 Siskiyou On the east side of Forest Route 15, 10.9 mi north of Hwy. 89. 1383 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
  RSA237589  Rubus lasiococcus Frederick W. Oettinger 1967-7-30 227 Siskiyou Semi-shaded granite cliffs southwest of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  CAS-BOT-BC147987  Rubus leucodermis Alice Eastwood 1912-7-23 1328 Siskiyou Cantara Comment
  UC1190259  Rubus leucodermis Ira L. Wiggins 1955-7-22 13456 Siskiyou 9.5 mi above Cecilville (in South Fork of Salmon River); South Fork Salmon River 1066 Comment
  SEINET10542809  Rubus leucodermis LeRoy E. Detling 1947-6-4 Detling 6108 Siskiyou Slater butte, klamath national forest. T17n,r7e,sec.13. Douglas fir, oak Forest. Humboldt mer. Pseudotsuga tacifolia, quercus chrysolepis, q. Kelloggii, Arbutus menziesii, acer macrophyllum, pinus lambertiana. Mountain slope. Nw Exsposure. Rocky clay-loam. Mod. Dry, partial shade. Occasional 1067 Comment
  CAS-BOT-BC147308  Rubus parviflorus John Thomas Howell 1937-7-21 13190 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC157166  Rubus ursinus Alice Eastwood 1921-7-26 10863 Siskiyou Soda Creek Comment
  LA208252  Rubus ursinus Louis C. Wheeler; 1934-6-29 2824 Siskiyou Siskiyou Mountains, Open N. slope, Soda Creek, Sterling Mt.; Mt. Diablo Mer 1280 Comment
  CAS-BOT-BC363173  Rudbeckia californica Alice Eastwood 1912-8-30 2047 Siskiyou Mount Eddy Comment
  HSC31131  Rudbeckia occidentalis J. O. Sawyer 1971-8-20 2459 Siskiyou Near Buckhorn Spring on Big Ridge trail 1982 Comment
  CAS-BOT-BC422220  Rumex acetosella Gilbert Muth 1966-7-18 412 Siskiyou Marble Gap Trail, above Marble Valley, Marble Mts. 1828 Comment
  HSC33984  Rumex acetosella J. P. Smith 1974-5-25 7473 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  HSC98390  Rumex acetosella J. O. Sawyer 1969-7-16 1143 Siskiyou W of Waterdog Lake 2073 Comment
  UCD101332  Rumex kerneri G. D. Barbe 1980-6-5 2815 Siskiyou Abandoned dairy south of Knighton Road along Sacramento River, on Riverland Drive (Interstate 5 frontage road); between Redding and Anderson. 128 Comment
  UC166121  Sagina saginoides Geo. D. Butler 1910-7-12 1764 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC103538  Salix commutata Louis C. Wheeler 1934-8-9 3083 Siskiyou Klamath National Forest, Jaynes Canyon 1981 Comment
  UCD110841  Salix eastwoodiae John M. Tucker 1963-7-7 3730 -B Siskiyou Paradise Lake Public Camp, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1981 Comment
  RSA610754  Salix exigua Louis C. Wheeler 1935-5-11 3471 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  CAS-BOT-BC107788  Salix hindsiana Doris K. Kildale 1928-7-25 5867 Siskiyou Between Gottsville & Brown's Resort on Klamath River Comment
  RSA105507  Salix laevigata G. D. Barbe 1955-6-28 6 Siskiyou 0.8 mile N of Callahan near Hjertagers' Mill. 976 Comment
  UC1196581  Salix lasiandra subsp. lasiandra Joseph P. Tracy 1935-8-1 14407 Siskiyou on ridge between Salmon <River> and New River (at extreme head of W. Fork Knownothing Creek); W. Fork Knownothing Creek 1889 Comment
  UC163727  Salix lasiandra subsp. lasiandra Geo. D. Butler 1910-6-1 1443 Siskiyou Yreka Creek Comment
  CAS-BOT-BC125459  Salix lasiandra var. lasiandra C. Hart Merriam 1907-9-26 s.n. Siskiyou Klamath Hot Springs, Shovel Creek Comment
  CAS-BOT-BC125480  Salix lasiandra var. lasiandra L. E. Smith 1913-4-2 621 Siskiyou Sisson Comment
  CAS-BOT-BC125474  Salix lasiandra var. lasiandra W. R. Dudley 1907-8-24 s.n. Siskiyou South Fork Salmon, below Smiths Comment
  UC482247  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 420 Siskiyou about 16 km nw Shasta City (ne side of mt., edge of stream above Metcalf ranch house); Mount Eddy 1515 Comment
  CAS-BOT-BC107343  Salix lasiolepis var. bigelovii Mrs. H. P. Bracelin 1931-6-20 434 Siskiyou About 10 km. northwest of Shasta City 1080 Comment
  CAS-BOT-BC128305  Salix lasiolepis var. lasiolepis Marian L. Campbell 1921-7-26 s.n. Siskiyou Castle Crags Comment
  POM362801  Salix lasiolepis var. sandbergii Louis C. Wheeler 1934-12-16 3363 Siskiyou Oak Knoll Ranger Station. Klamath River. Siskiyou Mtns. 671 Comment
  SBBG57914  Salix lemmonii Mrs. H. P. Bracelin 1931-6-19 415 Siskiyou ca. 16 km NW of Shasta City, on edge of stream above Metcalf ranch house; NE side of Mount Eddy 1455 Comment
  UC481717  Salix lemmonii Mrs. H. P. Bracelin 1931-6-20 448 Siskiyou ca. 17 km. n.w. Shasta City (e. side Mt. Eddy, Wagon Creek Canyon ca. 1 km. up from Metcalf ranch house); Mt. Eddy, Wagon Creek Canyon 1170 Comment
  CAS-BOT-BC125068  Salix ligulifolia Alice Eastwood 1917-9-2 6689 Siskiyou Shasta Springs Comment
  UC481730  Salix melanopsis Mrs. H. P. Bracelin 1931-6-22 475 Siskiyou near hwy. at Flume Creek Camp (Flume Creek - tributuary of Pit River); Flume Creek 555 Comment
  CAS-BOT-BC126149  Salix scouleriana Wm. F. Herrin 1918-5-15 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC126171  Salix scouleriana John Thomas Howell 1939-8-5 15081 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC129038  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 443 Siskiyou North base of Mount Eddy, about 1 km. up from Metcalf ranch house, about 17 km. northwest of Shasta City 1170 Comment
  HSC28681  Salix scouleriana Frederick W. Oettinger 1968-9-8 784 Siskiyou Marble Mtn. Wilderness Area, E shore of English Lake 1738 Comment
  SEINET10682428  Salix scouleriana Karen M. Meyer, Andrew Townesmith 2007-7-31 Meyer 179 Siskiyou Shasta-Trinity National Forest. 8.1 mi. on NF Rd. 17, off US Hwy. 97. 1607 Comment
  UC482262  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 443 Siskiyou ca. 17 km. n.w. Shasta City (above stream in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house, e. side Mt. Eddy); e. side Mt. Eddy 1170 Comment
  RSA238004  Salix sitchensis Frederick W. Oettinger 1968-9-4 695 Siskiyou W shore of Abbott's Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1723 Comment
  CAS-BOT-BC238885  Sambucus nigra subsp. caerulea John Thomas Howell 1937-7-23 13358 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC65077  Sambucus nigra subsp. caerulea J. P. Smith, Steve Selva 1970-6-15 3938 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  UC1408790  Sambucus racemosa var. microbotrys Frederick W. Oettinger 1969-7-18 1059 Siskiyou Upper English Lake Salmon Mountains, Marble Mountain Wilderness Area (e side, w Siskiyou Co., high lake basins in vicinity of English Peak) 1767 Comment
  POM208204  Sanguisorba annua Louis C. Wheeler 1934-6-22 2758 Siskiyou Cottonwood Creek. Siskiyou Mtns. 915 Comment
  UC1045269  Saponaria officinalis W. Bridge Cooke 1940-7-12 15326 Siskiyou along the Castle Lake Road at the S.P. crossing in Mt. Shasta City; along Castle Lake Road, Mt. Shasta City Comment
  POM92222  Saxifraga californica Geo. D. Butler 1909-4-25 583 Siskiyou Quartz Valley. Comment
  JEPS25834  Saxifraga ferruginea Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7448 Siskiyou about 12 air line mi nw Happy Camp (Poker Flat); Siskiyou Mts., Poker Flat 1524 Comment
  JEPS26621  Saxifraga ferruginea Herbert L. Mason Jul 18 1961-Jul 22 1961 15125 Siskiyou 1 mi over ridge and se of Castle Lake (Little Castle Lake); Little Castle Lake 1691 Comment
  UCD102947  Saxifraga fragarioides Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou Near top of Marble Mountain, Marble Mountains. 2225 Comment
  RSA211110  Saxifraga nidifica William J. Ferlatte 1966-6-22 73 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  RSA47992  Saxifraga nidifica Roxana S. Ferris, Laura Lorraine 1948-6-12 11774 Siskiyou About 5.5 miles from Etna on forks of Salmon road. Comment
  CAS-BOT-BC445872  Saxifragopsis fragarioides John Thomas Howell 1939-8-3 14990 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC283652  Schedonorus pratensis John Thomas Howell 1939-8-9 15200 Siskiyou Sky High Valley, Marble Mountains 1828 Comment
  CAS-BOT-BC111220  Scirpus M. A. Berry 1957-7-4 s.n. Siskiyou Carter Meadow at junction of Long Gulch and Trail Gulch on South fork of Salmon River. 1524 Comment
  SEINET10504058  Scirpus acutus Katherine L. Morris 1973-6-2 Morris 347 Siskiyou Found at the junction of shasta and klamath rivers on hwy 263 Comment
  JEPS63985  Scirpus americanus B. C. Goldsmith 1916-9-9 23 Siskiyou Klamath Hot Springs Comment
  RSA366108  Scirpus congdonii L. C. Wheeler 1934-8-14 3126 Siskiyou North side White Mountain; Siskiyou Mountains. Mt. Diablo Mer. 1767 Comment
  HSC62279  Scirpus microcarpus Al Hobart 1968-6-13 Siskiyou Young's Valley Comment
  JEPS80665  Scirpus microcarpus W. B. and V. G. Cooke 1977-9-22 54824 Siskiyou near Deter Camp (Mt. Shasta); , near Deter Camp Comment
  UC143719  Scirpus microcarpus Copeland 1903-8-14 3722 Siskiyou Sisson Comment
  HSC30680  Scirpus microcarpus Frederick W. Oettinger 1969-7-31 1121 Siskiyou Marble Mtn. Wilderness Area, inlet stream to Upper English Lake 1768 Comment
  POM211436  Scirpus microcarpus L. C. Wheeler 1934-9-22 3300 Siskiyou Walker, Klamath River, Siskiyou Mountains. (Mt Diablo Mer) 518 Comment
  HSC40237  Scleranthus annuus J. P. Smith 1976-5-5 8670 Siskiyou Road from Etna to Sawyer's Bar. 732 Comment
  CAS-BOT-BC243490  Sclerochloa dura C. S. Giebner 1963-5-6 s.n. Siskiyou Sedge Nelson prop., opposite Game Refuge, Big Springs, Shasta Valley Comment
  RSA483308  Scribneria bolanderi L. C. Wheeler 1935-5-1 3450 Siskiyou Yreka Creek. Siskiyou Mountains. Mt. Diablo Mer. 854 Comment
  POM63093  Scutellaria antirrhinoides E. B. Copeland 1903-7-2 3530 Siskiyou Klamathon Comment
  CHSC118117  Sedum kiersteadiae Jane Van Susteren 2011-7-30 2 Siskiyou Off trail between Heart Lake and Castle Lake below Little Castle; UTM zone 10, 4563809 east, 5688775 north (NAD 83). 1813 Comment
  HSC83321  Sedum oblanceolatum J. M. O'Hare-Wade, S. Darington, S. B. Hogan, H. de Looze 1987-5-30 1 Siskiyou Along road from Cook and Green Pass to the Applegate River 1500 Comment
  UC772714  Sedum obtusatum subsp. boreale Robert T. Clausen, W. B. Cooke, and Harold Trapido 1940-7-26 4952 Siskiyou e side Mud Creek Canyon; Mt. Shasta, Sacramento River Basin 1706 Comment
  CHSC72211  Sedum obtusatum subsp. obtusatum Vernon H. Oswald; Lowell Ahart 1998-8-3 9429 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. West of Kangaroo Lake. 1981 Comment
  HSC19526  Sedum obtusatum subsp. retusum J. O. Sawyer 1968-7-10 480 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  CAS-BOT-BC278103  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 (KR) 1510 Comment
  UCR37580  Sedum spathulifolium subsp. spathulifolium L. P. Janeway 1983-7-3 365 Siskiyou Ridgetop NW of Poker Flat. (Siskiyou crest) 1585 Comment
  HSC44705  Sedum spathulifolium var. spathulifolium J. O. Sawyer, E. Cope 1977-6-18 2899 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  HSC69297  Sedum stenopetalum Maralyn A. Renner 1980-7-23 1816 Siskiyou Klamath National Forest, ridge 1/2 mi. E of Cook and Green Pass 1555 Comment
  LA209667  Selaginella scopulorum Lawrence L. Kiefer; 1963-8-8 827 Siskiyou N of town of Horse Creek, along trail from Siskiyou Summit to White Mountain 1523 Comment
  RSA576449  Selaginella wallacei Louis Cutter Wheeler 1934-8-15 3158 Siskiyou East Fork Horse Creek, Siskiyou Mtns. (Mt Diablo Mer) 1524 Comment
  RSA155891  Senecio canus P. H. Raven 1962-5-30 17901 Siskiyou US Hwy 97, 8.3 miles north of Weed. Comment
  CAS-BOT-BC363591  Senecio fremontii var. fremontii John Thomas Howell 1939-8-8 15158 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC363937  Senecio integerrimus var. exaltatus Geo. D. Butler 1910-5-10 1323 Siskiyou Goosenest foothills 1676 Comment
  CAS-BOT-BC364421  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
  CAS-BOT-BC364432  Senecio triangularis Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Road to Mumbo Basin, Trinity Mts. 1889 Comment
  CAS-BOT-BC364444  Senecio triangularis Doris K. Kildale 1928-8-18 6498 Siskiyou Head of north fork of Salmon River at Finleys Upper Camp Comment
  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
  RSA22180  Senecio triangularis J. T. Howell 1939-8-3 15023 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  UC91681  Senecio triangularis Harley P. Chandler June 1901 1576 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges, Marble Mountain 1828 Comment
  CAS-BOT-BC243645  Setaria pumila Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar Comment
  UCD92872  Setaria viridis R. Tofsrud 1948-8-1 s.n. Siskiyou Dunsmuir. Comment
  JEPS95250  Shepherdia canadensis Janet and Steve Edwards 1995-7-30 Siskiyou Parks Creek Road (USFS Road 17; Stewart Springs Road of some maps) 1731 Comment
  HSC61977  Sibbaldia procumbens Al Hobart 6 Aug [year missing] Siskiyou Preston Pk. 1982 Comment
  UC726537  Sidalcea asprella subsp. nana A. A. Heller 1916-6-22 12423 Siskiyou near Sisson; near Sisson 1066 Comment
  HSC59012  Sidalcea oregana Marvin Butler 1971-7-21 189 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  UC164069  Sidalcea oregana subsp. oregana Geo. D. Butler 1909-6-4 768 Siskiyou near Yreka; near Yreka Comment
  UC60962  Sidalcea oregana subsp. spicata Geo. B. Grant Sept. 1902 5216 a Siskiyou Mount Shasta 914 Comment
  UC871508  Sidalcea oregana subsp. spicata Alice Eastwood 1921-7-28 10964 Siskiyou Medicine Lake Comment
  UC668092  Silene campanulata Joseph P. Tracy 1935-8-1 14421 Siskiyou 1 mi e Salmon Summit Mine (head of Knownothing Creek); , e of Salmon Summit Mine 1767 Comment
  CAS-BOT-BC181188  Silene campanulata subsp. glandulosa Doris K. Kildale 1928-8-19 6558 Siskiyou Hancock Lake on trail to Marble Mountain Comment
  CAS-BOT-BC181186  Silene campanulata subsp. glandulosa Lillian Mott 1976-7-8 46 LM76 Siskiyou Copper butte ca. 1 1/2 miles east of Cook & Green Pass 1889 Comment
  HSC4208  Silene douglasii R. C. Wunner 1965-6-25 273 Siskiyou Lava Bed NM, Indian Well Cave area 1433 Comment
  HSC92349  Silene douglasii var. douglasii Jennifer Whipple 1977-8-6 2223 Siskiyou Dale Creek drainage on N face of Mount Eddy 2195 Comment
  CAS-BOT-BC388959  Silene grayi John Thomas Howell 1939-8-6 15103 Siskiyou Elk Mt., Marble Mts. Comment
  CHSC221  Silene grayi K. Jaekel; N. Jaekel 1939-7-8 Siskiyou Panther Meadows on Mt. Shasta. 2133 Comment
  HSC101158  Silene grayi Dana York 2011-8-12 3051 Siskiyou Klamath National Forest, Marble Mountain ridge 2058 Comment
  HSC58861  Silene grayi Marvin Butler 1971-7-11 92 Siskiyou Near Youngs Valley, close to the town of Cave Junction 1403 Comment
  JEPS26588  Silene grayi Peter Kamb 1949-8-25 1492 Siskiyou above Horse Camp; sw slope of Mt. Shasta above Horse Camp 2895 Comment
  SD113391  Silene grayi Darley F. Howe 1962-8-6 3404 Siskiyou Mt. Shasta, Shasta National Forest. 2438 Comment
  HSC606  Silene grayi William J. Ferlatte 1967-7-26 753 Siskiyou Caribou Basin, N slope on Sawtooth Ridge 2287 Comment
  HSC65510  Silene grayi Rich White 1977-7-21 135 Siskiyou Near top of False Peak NW from Preston Peak 1738 Comment
  RSA237803  Silene grayi Frederick W. Oettinger 1969-7-29 1110 Siskiyou North of upper English Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  CAS-BOT-BC181253  Silene hookeri subsp. hookeri J. H. Thomas 1954-5-12 4122 Siskiyou Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, Salmon Mountains, Klamath National Forest 975 Comment
  HSC64678  Silene lemmonii J. O. Sawyer 1977-7-6 3037 Siskiyou Trail to Sugar Lake 2 mi. below lake 1707 Comment
  HSC4220  Silene lemmonii W. L. Jepson Jul 1894 Siskiyou Sisson (now the town called Mt. Shasta) Comment
  CAS-BOT-BC389528  Silene menziesii Geo. D. Butler 1910-6-1 1445 Siskiyou Yreka Creek Comment
  JEPS51016  Silene menziesii Geo. D. Butler 1909-6-10 967 Siskiyou near Yreka; near Yreka Comment
  UC8481  Silene menziesii Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River, below Bartles Comment
  CAS-BOT-BC389533  Silene menziesii David D. Keck 1938-8-7 4853 Siskiyou Scott Mountain Lodge, 2 mi. E. of Callahan, on E. Fork of Scott River at junction with Mill Creek 1000 Comment
  CHSC91388  Sisyrinchium bellum Lowell Ahart; John Dittes 2005-6-10 12102 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
  HSC69086  Sisyrinchium bellum Maralyn A. Renner 1980-8-4 2212 Siskiyou Flint Valley 1390 Comment
  RSA211516  Sisyrinchium bellum William J. Ferlatte 1966-6-22 101 Siskiyou Along the South Fork of the Salmon River between the campgrond and Carters; Trinity Alps. 1524 Comment
  UC1034583  Smilacina racemosa Douglas Barbe 1955-7-4 91 Siskiyou 1000 ft from Parrot Creek (11 mi s of Etna, s bank of creek); North Fork of French Creek 975 Comment
  UC1076036  Smilax californica Herbert L. Mason 1947-5-15 14756 Siskiyou nw Edgewood Comment
  SEINET8488560 Image available Smilax californica A. A. Heller 1905-6-5 Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  RSA237903  Smilax jamesii Frederick W. Oettinger 1969-8-1 1138 Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1814 Comment
  HSC68273  Solanum parishii J. P. Smith, Steve Selva 1970-6-15 3968 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  POM211186  Solanum physalifolium var. nitidibaccatum Louis C. Wheeler 1934-9-17 3275 Siskiyou Siskiyou Mts: Dutch Creek off Klamath River. 701 Comment
  CDA8704  Solidago californica R. P. Allen 1952-7-31 Siskiyou McCloud. 0 Comment
  UCR47901  Solidago canadensis Steve Morgan 1987-7-28 s.n. Siskiyou Sierra Nevada Mtns, McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, south of Mt. Shasta 1768 Comment
  POM52743  Solidago canadensis subsp. elongata Geo D. Butler 1858 Siskiyou Oro Fino Comment
  CAS-BOT-BC365552  Solidago elongata K. T. Stillman 1976-9-9 487 Siskiyou Marble Mountain Wilderness Area. Trail from jump off to Paradise Lake 1950 Comment
  CAS-BOT-BC365568  Solidago elongata Gilbert Muth 1965-8-3 s.n. Siskiyou Meadow, Marble Valley Guard Station. Marble Mts. Comment
  HSC24685  Solidago elongata J. O. Sawyer 1969-8-4 2015 Siskiyou Behind S Sugar Lake 2088 Comment
  JEPS32370  Solidago elongata Geo. D. Butler 1908-8-10 308 Siskiyou Oro Fino , Oro Fino (Eastlick's Ranch) Comment
  JEPS80578  Solidago elongata Gilbert Muth 1965-8-3 146 Siskiyou Marble Valley , Marble Valley (Marble Mt. Wilderness Area) 1792 Comment
  UC598533  Solidago elongata C. Hart Merriam Sept 1898 Siskiyou Wagon Camp , Wagon Camp (Mt. Shasta) Comment
  CAS-BOT-BC339858  Solidago multiradiata Alice Eastwood 1912-8-30 2048 Siskiyou Mount Eddy Comment
  RSA473716  Solidago multiradiata M. B. Dunkle 1945-1 9354 Siskiyou Klamath National Forest, Marble Mountains. 1982 Comment
  OBI55412  Solidago spectabilis David J. Keil, Kathleen Keil 1992-7-21 23531 Siskiyou Klamath NF SE of Callahan. Forest Rd 40N08, 1.7 mi W of Scott Mtn rd (hwy 3) Comment
  CAS-BOT-BC365248  Solidago velutina subsp. californica Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar Comment
  UC1409378  Sorbus californica Frederick W. Oettinger 1968-9-8 789 Siskiyou outlet of English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1798 Comment
  HSC18907  Sorbus scopulina J. O. Sawyer 1968-6-18 203 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  HSC29505  Sorbus scopulina Frederick W. Oettinger 1969-9-5 1674 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: Upper English Lake 1921 Comment
  SBBG50781  Sorbus scopulina J. M. Tucker 1963-7-7 3715 Siskiyou vicinity of Paradise Lake, at base of King's Castle on the E side, Marble Mtn Wilderness Area 1981 Comment
  UC1222305  Sorbus scopulina Joseph P. Tracy 19478 Siskiyou summit of the Siskiyous (at crossing of Takilma-Happy Camp Road; 3 mi s of state line) 1463 Comment
  UC1409331  Sorbus scopulina var. scopulina Frederick W. Oettinger 1969-7-18 1052 Siskiyou sw of Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1920 Comment
  HSC18957  Sparganium angustifolium J. O. Sawyer 1969-8-1 1601 Siskiyou Behind Horseshoe Lake 1921 Comment
  CAS-BOT-BC390717  Spergularia rubra A. A. Heller 1915-7-18 12126 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  UC165253  Sphenosciadium capitellatum Geo. D. Butler 1909-8-10 460 Siskiyou Shackleford Creek Comment
  RSA593946  Spiraea densiflora Louis C. Wheeler 1963-9-3 8336 Siskiyou Siskiyou Mountains. Cyclone Gap chrome mine. Comment
  POM148451  Spiraea densiflora var. splendens J. B. Feudge 1927-7-22 1684 Siskiyou Trail. Mt. Shasta City to Mt. Eddy. 1372 Comment
  HSC18954  Spiraea douglasii J. O. Sawyer 1969-7-7 1088 Siskiyou Little Duck Lake 1966 Comment
  RSA237603  Spiraea douglasii Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1213 Siskiyou Young's Cabin on English Lake trail towards Abbotts. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1463 Comment
  SEINET7707713  Spiraea douglasii G. D. Butler 1910-7-9 1708 Siskiyou Shackleford Creek 1219 Comment
  HSC61452  Spiraea splendens var. splendens Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1220 Comment
  RSA237644  Spiranthes romanzoffiana Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1303 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  RSA273427  Stachys rigida subsp. rigida J. P. Smith, J. O. Sawyer 1972-9-14 5808 Siskiyou Miners Creek Road just south of French Creek Road between Callahan and Etna 915 Comment
  UCD77226  Stachys rigida subsp. rivularis Robert E. Preston 2002-7-12 1902 Siskiyou Klamath National Forest, S slope of Rainbow Mountain, N of Trout Creek 1652 Comment
  RSA238549  Stachys rigida subsp. rivularis Frederick W. Oettinger 1969-8-19 1461 Siskiyou Salmon Mountains, High Lake Basins in the Vicinity of English Peak, Marble Mountain Wilderness area. 1860 Comment
  HSC58881  Stachys rigida var. rigida Marvin Butler 1971-7-21 194 Siskiyou Near Bell Echo Camp, close to town of Cave Junction 1433 Comment
  CAS-BOT-BC181422  Stellaria calycantha John Thomas Howell 1939-8-3 14966 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  SEINET12558131 Image available Stellaria crispa Frederick W. Oettinger 1968-1 723 Siskiyou The High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. Campsite near stream, Hancock Lake. 1951 Comment
  UCD139815  Stenanthium occidentale J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3747 Siskiyou Upper Canyon Creek, ca. 0.5 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area. 1920 Comment
  CAS-BOT-BC375666  Stephanomeria paniculata Louis C. Wheeler 1934-7-17 2912 Siskiyou Cottonwood Creek, Siskiyou Mts. 1036 Comment
  JEPS87638  Stephanomeria paniculata Vernon H. Oswald and Lowell Ahart 1994-8-10 6453 Siskiyou ca. 4.5 mi. (air) n.e. McCloud (Pilgrim Creek Rd. (FS 13) at Mud Creek, 2.7 mi. n. of Hwy. 89) 1097 Comment
  HSC13337  Stipa comata R. C. Wunner 1965-6-22 269 Siskiyou Lava Beds N.M., 2 mi. N of Devils Homestead Overlook Comment
  HSC30534  Stipa occidentalis var. californica Frederick W. Oettinger, R. F. Thorne 1969-8-4 1156 Siskiyou Salmon Mountains, above Halfway Spring on trail from English Lake to Diamond Lake 1829 Comment
  HSC30690  Stipa occidentalis var. occidentalis Frederick W. Oettinger 1969-8-3 1141 Siskiyou Marble Mtn. Wilderness Area, above English Lake 2195 Comment
  HSC64367  Stipa thurberiana Don Bateman 1980-7-1 Siskiyou 12 mi. E of Macdoel. 1372 Comment
  UC1282026  Streptanthus barbatus Louise Kellogg Aug 8 1953-Aug 9 1953 127 Siskiyou serpentine outcrop near Scott Mountain Public Campground; Scott Mountains, Klamath National Forest, Blue Point 1630 Comment
  UC726781  Streptanthus barbatus A. A. Heller 1918-7-16 13033 Siskiyou Mt. Eddy 2133 Comment
  CAS-BOT-BC61133  Streptanthus barbatus G. L. Stebbins, Jr.; J. A. Jenkins 1937-7-17 2428 Siskiyou East and northeast slope of spur of Rainbow Ridge above Sulloway Creek about 1.5 mile west of Mount Shasta City. 1188 Comment
  CAS-BOT-BC87861  Streptanthus tortuosus Gilbert J. Muth 1969-8-8 1300 Siskiyou Boulder Peak Ridge. 2286 Comment
  CAS-BOT-BC87878  Streptanthus tortuosus R. C. Wenk 2008-7-23 903 Siskiyou Southwest side of Mount Shasta, trail from Bunny Flat to Sierra Club Cabin above Avalanche Gulch. 2316 Comment
  RSA237369  Streptanthus tortuosus Frederick W. Oettinger 1968-8-5 406 Siskiyou Ridge between English Peak and Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  POM143374  Streptanthus tortuosus Milo S. Baker 1899-7-31 s.n. Siskiyou Eastern slope, Mt Shasta. Ash Creek above Warren and Anderson s Comment
  RSA12512  Streptanthus tortuosus C. B. Wolf 1934-7-4 5924 Siskiyou Klamath River, 3 mi below Tee Bar Creek. 213 Comment
  UC1188081  Streptanthus tortuosus var. orbiculatus Philip A. Munz 1960-8-22 24193 Siskiyou Panther Meadows Mt. Shasta 2529 Comment
  SEINET10874443  Streptanthus tortuosus var. orbiculatus Mary Susan Taylor 1980-8-19 Taylor 3268 A Siskiyou T43N R2E se sec 23, Medicine Lake quad. Shasta-Trinity Natl Forest, in pumice, on Paint Pot Crater. With J. Prouty & E. Heinz. 1920 Comment
  HSC18966  Streptanthus tortuosus var. tortuosus J. O. Sawyer 1969-7-8 1096 Siskiyou SW slope above Music Creek 2360 Comment
  SDSU5611  Suaeda calceoliformis D. F. Howe 1964-8-5 3939 Siskiyou 13.4 miles east of junction with #97 on state line road. 1219 Comment
  UC1191399  Suaeda calceoliformis Verne Grant and Irving Schneider 1947-8-26 8300 Siskiyou Lower Klamath Lake; flats by Interstate Highway Comment
  RSA238303  Suksdorfia ranunculifolia Frederick W. Oettinger 1969-7-13 998 Siskiyou Meadow north of Upper English Lake. The Salmon Mountains, the High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 1921 Comment
  HSC67589  Swertia albicaulis var. nitida J. P. Smith, J. O. Sawyer 1972-6-30 5638 Siskiyou Junction of French Creek and Sugar Creek Rd., 1/2 mi. W of Parrott Mill Rd. 1250 Comment
  RSA105341  Symphoricarpos acutus G. D. Barbe 1955-8-1 334 Siskiyou At the summit of Mt. Bolivar. Scott Mts. 2470 Comment
  JEPS95607  Symphoricarpos albus var. laevigatus Vernon H. Oswald and L. Ahart 1994-8-10 6460 Siskiyou T40N R2E SW1/4 NW1/4 Sec. 18, 4460 ft, Yellow Pine Forest. FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi W of Harris Spring Rd. (FS15), ca. 4 mi (air) NNE of Bartle 1359 Comment
  CAS-BOT-BC234778  Symphoricarpos mollis Carl B. Wolf 1927-8-27 1113 Siskiyou On the Klamath River, Happy Camp Comment
  CAS-BOT-BC234794  Symphoricarpos mollis Alice Eastwood 1917-9-2 6672 Siskiyou Shasta Springs Comment
  HSC18986  Symphoricarpos mollis J. O. Sawyer 1969-8-5 1947 Siskiyou Along Sugar Creek. 1921 Comment
  UC102265  Symphoricarpos mollis Brandegee Jul 1887 Siskiyou Upper Soda Spring Comment
  UCD78034  Symphoricarpos mollis Robert E. Preston 2001-6-23 1573 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake. 1889 Comment
  UC1034064  Symphoricarpos mollis var. acutus unknown 1941-9-5 16272 Siskiyou MacBride Springs area; Mt. Shasta Comment
  UC1045253  Symphoricarpos mollis var. acutus unknown 1940-8-2 15393 Siskiyou near Bear Springs meadow; Mount Shasta Comment
  UC28686  Symphoricarpos mollis var. acutus C. B. Bradley 1879-1 Siskiyou Comment
  CAS-BOT-BC245770  Symphoricarpos rotundifolius Elmer I. Applegate 1923-9-7 3960 Siskiyou Doggett Ridge, south slope of the Siskiyou Mountains, Klamath River watershed. Comment
  HSC30275  Symphyotrichum bracteolatum William J. Ferlatte 1971-9-18 1372 Siskiyou Big Flat near public campground 1524 Comment
  CAS-BOT-BC97883  Symphyotrichum eatonii Elmer I. Applegate 1923-9-7 3970 Siskiyou Doggett Ridge, south slope of Siskiyou Mountains Comment
  CAS-BOT-BC98956  Symphyotrichum foliaceum var. parryi Saxton; Canfield 1922-8-21 63 Siskiyou Poker Flat - Klamath Forest Comment
  CAS-BOT-BC98442  Symphyotrichum spathulatum E. B. Copeland 1903-9-8 3856 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC98445  Symphyotrichum spathulatum Alice Eastwood 1921-7-25 10844 Siskiyou Bigelows, McCloud River Comment
  JEPS22233  Symphyotrichum spathulatum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6820 Siskiyou 7 mi w of, in field near roadside Callahan 1127 Comment
  JEPS81907  Symphyotrichum spathulatum Roger Raiche 1982-10-14 20825 Siskiyou Stewart Springs Road 914 Comment
  CAS-BOT-BC98920  Symphyotrichum spathulatum var. intermedium L. R. Abrams 1927-9-11 12137 Siskiyou Shasta Valley, Yreka to Gazelle Comment
  HSC29101  Taraxacum officinale Frederick W. Oettinger 1969-7-13 1010 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: S of Upper English Lake 1799 Comment
  HSC32595  Taxus brevifolia Steven Lagos 1974-5-26 86 Siskiyou Duck Lake Creek drainage, Bulk Collection # 60 1463 Comment
  RSA183475  Taxus brevifolia J. M. Tucker 1963-7-5 3706 Siskiyou Lower Blake s Fork of South Russian Creek (a tributary of Salmon River), about 7 miles (airline) east of Sawyer s Bar, Salmon Mountains 1524 Comment
  CAS-BOT-BC447417  Tellima grandiflora Annie M. Alexander; Louise Kellogg 1920-5-1 s.n. Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  HSC24028  Thalictrum polycarpum J. O. Sawyer 1971-7-15 2426 Siskiyou Along Red Rock Valley Creek 1585 Comment
  CAS-BOT-BC95072  Thelypodium brachycarpum Dean William Taylor 1987-8-9 9289 Siskiyou Lower Klamath National Wildlife Refuge, along Highway 61, 8.3 mi. W from Highway 139 1249 Comment
  HSC100276  Thelypodium brachycarpum J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13074 Siskiyou Klamath National Forest, along road to botanical area off Forest Service Road 40N24 to Crater Lake. 1860 Comment
  HSC78057  Thelypodium brachycarpum R. & G. Pederson 1979-9-18 Siskiyou Tulelake, Lower Klamath National Wildlife Refuge, islands 1238 Comment
  CAS-BOT-BC77738  Thelypteris nevadensis Louis C. Wheeler 1934-8-21 3191 Siskiyou E Fork Horse Cr., Klamath National Forest 1219 Comment
  CDA15532  Thermopsis robusta G. F. Hrusa, T. D. Wilfred 1998-7-5 14700 Siskiyou Siskiyou Mountains; Cedar Camp Rd. +- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 8.8. Sheet 2 of 2 Comment
  CDA3886  Thlaspi arvense Don Shaw 1978-3-13 Siskiyou Clement Brothers property, Montague. 0 Comment
  JEPS54043  Thlaspi montanum var. montanum Geo. D. Butler 1908-6-27 119 Siskiyou Forest House Mt. Comment
  UC165978  Thlaspi montanum var. montanum Geo. D. Butler 1908-8-5 129 Siskiyou summit above Cold Spring (Woolly Creek); summit above Cold Spring, Woolly Creek Comment
  CAS-BOT-BC66801  Thysanocarpus curvipes L. B. Kildale 1930-6-1 9703 Siskiyou Salmon River at Crapp Creek. Comment
  CAS-BOT-BC67268  Thysanocarpus radians L. E. Smith 1913-3-1 s.n. Siskiyou Yreka. Comment
  HSC18877  Tiarella trifoliata var. unifoliata J. O. Sawyer 1968-9-10 687 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  RSA757026  Tofieldia glutinosa subsp. occidentalis Barbara Ertter 1990-7-14 9346 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4 air miles west of Mt. Shasta City 1829 Comment
  HSC73319  Tolmiea diplomenziesii Gail Newton 1980-6-20 500 Siskiyou Near Bald Mtn. 1097 Comment
  RSA141252  Tolmiea menziesii G. Ledyard Stebbins, A. A. Beetle 1942-6-1 3274 Siskiyou Along Klamath River, at Swillup Creek Ranger Station. 256 Comment
  RSA145155  Tolmiea menziesii Dorothy Parker 1960-7-4 s.n. Siskiyou Salmon Mts. 1768 Comment
  CHSC4160  Toxicoscordion venenosum var. venenosum R. Carter 1966-5-15 404 Siskiyou Location: 1.7 mi. SE Callahan, 1.1 mi. S intersection Callahan-Gazella Rd. and Old Oregon State Rd. 1310 Comment
  CDA7717  Tragopogon dubius T. C. Fuller 1958-6-19 1800 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  HSC6300  Tragopogon dubius R. C. Wunner 1965-9-8 507 Siskiyou California Lava Beds National Monument; Across road from Red Butte. 1570 Comment
  CHSC2314  Triantha occidentalis subsp. occidentalis V. Holt 1943-8-14 Siskiyou Marble Mountains. 1828 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
  CDA22542  Trichostema lanceolatum Glenn Briggs 2008-7-21 PDR# 1414000 Siskiyou Seiad Valley, 53005 Hwy 96 0 Comment
  JEPS63105  Trichostema lanceolatum Geo. D. Butler 1908-8-2 511 Siskiyou Greenview Comment
  HSC68359  Trientalis latifolia J. P. Smith, Steve Selva 1970-6-16 4051 Siskiyou 7 mi. W of Etna on road to Sawyers Bar. 1280 Comment
  HSC72474  Trifolium eriocephalum J. P. Smith 1973-5-5 6460 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  RSA184746  Trifolium howellii Gilbert Muth 1966-7-24 445 Siskiyou Marble Valley along creek, Marble Mountains. 1793 Comment
  UC1152151  Trifolium howellii Joseph P. Tracy 1950-7-20 19210 Siskiyou Flint Valley 1402 Comment
  UCR110583  Trifolium howellii L. C. Wheeler 1963-8-27 8276 Siskiyou Siskiyou Mtns., Clear Creek, 1 mi. below West Fork. 671 Comment
  UCD111230  Trifolium hybridum L. Whitney 1934-6-10 s.n. Siskiyou location unknown. Comment
  CDA4330  Trifolium incarnatum Don Shaw 1977-5-26 Siskiyou Highway 96 near Blue Heron Ranch, Somes Bar. 0 Comment
  UC1025112  Trifolium kingii var. productum Douglas Barbe 1955-7-9 154 Siskiyou s shore Kangaroo Lake; Scott Mtns 1828 Comment
  HSC18995  Trifolium longipes J. O. Sawyer 1969-7-18 1416 Siskiyou Head of S Russian Creek 1829 Comment
  UCD78050  Trifolium longipes subsp. hansenii Robert E. Preston 2001-6-23 1604 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 2011 Comment
  UC1409230  Trifolium longipes var. hansenii Frederick W. Oettinger 1968-8-17 553 Siskiyou nne Pine Lake (vicinity of English Peak); salmon Mtns, Marble Mtn Wilderness Area 1950 Comment
  POM28035  Trifolium microcephalum Geo. D. Butler 1909-6-20 920 Siskiyou Yreka. Comment
  UC726660  Trifolium repens A. A. Heller 1916-6-20 12414 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 Comment
  JEPS75658  Trifolium wormskioldii Geo. D. Butler 1909-6-26 915 Siskiyou McNutty's Field near Yreka Comment
  SEINET10577454  Trifolium wormskioldii var. wormskioldii Wiegand 1921-8-23 WIEGAND 1389 Siskiyou Marshy subalkaline soil, south of Montague. Comment
  SBBG1080  Trillium ovatum K. K. Muller 1954-6-23 646 Siskiyou summit ca. 3.5 mi S of Oregon line on road to Happy Camp, Siskiyou Mtns Comment
  UCD139915  Trillium ovatum J. M. Tucker; L. K. Mann, Sandra Holloway 1963-7-7 3718 Siskiyou Paradise Lake, at the base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1981 Comment
  CHSC95115  Trillium ovatum subsp. oettingeri L. P. Janeway 2006-7-2 8739 Siskiyou Klamath Ranges. Salmon Mountains; headwaters of West Fork Whites Gulch, a tributary of North Fork Salmon River from the south; between sharp switchbacks of Road 40N61. Steep north-facing slope just above alder-shaded creek. 1561 Comment
  HSC18996  Trillium ovatum subsp. oettingeri J. O. Sawyer 1969-8-4 1914 Siskiyou Above S Sugar Lake 2043 Comment
  JEPS86788  Trillium ovatum subsp. oettingeri Roy E. Buck and Robert A. Price 1988-8-9 1064 Siskiyou 30 air km. e. McCloud (ca. 1.4 air km. n.-n.e. of Cub Spring, e. of dirt rd. (old R.R. grade), w. of Atkins Meadows) 1350 Comment
  RSA234821  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1967-6-27 126 Siskiyou West of Statue Creek near the point where the Music Creek logging road makes hairpin turn. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1756 Comment
  POM198622  Trisetum canescens Geo D. Butler 1910-7-8 1661 Siskiyou Shackleford Creek. Comment
  CAS-BOT-BC200264  Trisetum spicatum Wm. Bridge Cooke 1938-8-18 11485 Siskiyou Horse Camp Springs. Around the southwest side of Shasta Comment
  UCD94373  Trisetum spicatum R. Tofsrud 1948-8-1 s.n. Siskiyou Panther Meadow, Mt. Shasta. 2438 Comment
  CAS-BOT-BC133491  Triteleia crocea G. J. Muth 1969-8-10 1337 Siskiyou Ridge w. of Boulder Peak Comment
  HSC76883  Triteleia crocea K. T. Stillman 1976-6-27 143 Siskiyou Marble Mtn. Wilderness Area, near Bear Lake Comment
  RSA378083  Triteleia crocea M. B. Dunkle 1944-6-25 9020 Siskiyou Siskiyou National Forest. 1677 Comment
  RSA237881  Triteleia hyacinthina Frederick W. Oettinger 1969-8-18 1415 Siskiyou Along the trail up to Horse Range Lake and about 0.1 mile from lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 1768 Comment
  CHSC2087  Triteleia ixioides subsp. anilina M. Yoder 1941-6-28 Siskiyou Castle Lake. 1981 Comment
  UCD78068  Triteleia ixioides subsp. anilina Robert E. Preston 2002-6-21 1869 Siskiyou Klamath National Forest, Rainbow Mountain, S slope, N of Trout Creek 1691 Comment
  CHSC27347  Tsuga mertensiana T. B. Devine 1976-10-23 365 Siskiyou 1/8 mi ne of Little Duck Lake. 1950 Comment
  CAS-BOT-BC80250  Tsuga mertensiana subsp. grandicona W. R. Dudley 1901-8-18 s.n. Siskiyou Jackson Lake Comment
  CAS-BOT-BC80254  Tsuga mertensiana subsp. grandicona Louis C. Wheeler 1934-9-1 3237 Siskiyou Mud Springs, Middlehell Creek 1889 Comment
  JEPS117566  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
  RSA262494  Vaccinium D. V. Hemphill 1974-7-28 s.n. Siskiyou Stanshaw Trail, 1/4 miles south of Jawbone Camp, Marble Mountain Wilderness Area. 1555 Comment
  HSC98336  Vaccinium cespitosum J. O. Sawyer 1969-8-4 1893 Siskiyou Above S Sugar Lake 2043 Comment
  CHSC88998  Vaccinium membranaceum Steven Harris 1981-7-29 729 /1 Siskiyou Klamath National Forest. Near N. Fork Dillon Creek. 1219 Comment
  CHSC89004  Vaccinium membranaceum Gail A. Newton 1981-7-30 2338 Siskiyou Klamath National Forest. Near N. Fork of Dillon Cr. 1176 Comment
  HSC19113  Vaccinium membranaceum J. O. Sawyer 1969-8-5 1964 Siskiyou Alluvial terrace along South Sugar Creek 1692 Comment
  HSC19334  Vaccinium membranaceum J. O. Sawyer 1969-7-3 1050 Siskiyou Near Lipstick Lake 1951 Comment
  HSC19368  Vaccinium membranaceum J. O. Sawyer 1968-6-18 208 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  HSC47103  Vaccinium membranaceum J. O. Sawyer, K. Stillman 1978-7-6 3300 Siskiyou Along Happy Camp- O'Brien Rd., 0.5 mi. S of summit and S of Louse Creek 1280 Comment
  RSA238869  Vaccinium scoparium Frederick W. Oettinger, J. L. Morrison 1967-8-17 279 Siskiyou 0.1 mile SSW of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  POM77331  Vaccinium uliginosum subsp. occidentale Edward Palmer 1927-7-13 2456 Siskiyou Mt. Shasta and vicinity. Comment
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