Search Results — 2000 specimen records retrieved (1397 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78126  Abies X shastensis Gilbert Muth 1966-7-29 132 Siskiyou Forest at Marble Valley, Marble Mt. 1792 Comment
  CAS-BOT-BC78130  Abies X shastensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11770 Siskiyou About 6 miles from Etna on forks of Salmon Road 1706 Comment
  HSC4979  Abies amabilis J. O. Sawyer 1968-7-22 525 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  JEPS47983  Abies concolor B. Wise Neilsen 1936-10-18 Siskiyou 2 mi nw Etna Mt.; Salmon Mt. Comment
  HSC4984  Abies lasiocarpa J. O. Sawyer 1968-7-9 754 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC4997  Abies lasiocarpa J. O. Sawyer 1969-8-2 1695 Siskiyou Slopes W of Little Duck Lake 2226 Comment
  CAS-BOT-BC78104  Abies magnifica John Thomas Howell 1937-7-26 13530 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  UC119058  Abies magnifica var. magnifica unknown 1885-9-1 Siskiyou Siskiyou Mts. Comment
  CAS-BOT-BC330618  Acer circinatum A. A. Heller 1905-6-1 7923 Siskiyou Between Dunsmuir and Upper Soda spring Comment
  SBBG4082  Acer glabrum K. K. Muller 1954-6-24 648 Siskiyou summit Salmon Mtn Pass [Etna Summit], 10 mi NE of Idylwild [Idlewild Cmpgrd] 1798 Comment
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Jan 28 2015
  JEPS105135  Acer glabrum var. diffusum Dean W. Taylor 1996-7-12 15792 Siskiyou Salmon Mountains; Patterson Creek drainage (about 5 air miles west of Etna); Klamath National Forest 1371 Comment
  CAS-BOT-BC331022  Acer glabrum var. glabrum John Thomas Howell 1939-8-5 15069 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC331046  Acer glabrum var. glabrum M. S. Baker 1899-8-1 s.n. Siskiyou Ash Creek, East Slope of Mt. Shasta 1981 Comment
  HSC4910  Acer glabrum var. torreyi J. O. Sawyer 1968-9-13 710 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  RSA237829  Acer glabrum var. torreyi Frederick W. Oettinger 1968-8-7 435 Siskiyou On east side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  CAS-BOT-BC332784  Acer macrophyllum L. R. Short 1933-6-16 46 Siskiyou Klamath Forest. 762 Comment
  CHSC246  Achillea millefolium M. Yoder 1941-7-21 Siskiyou Castle Lake. 1981 Comment
  HSC2410  Achillea millefolium William J. Ferlatte 1966-8-5 334 Siskiyou Caribou Mtn. 2470 Comment
  HSC77412  Achillea millefolium L. P. Janeway 1983-9-11 670 Siskiyou Poker Flat 1524 Comment
  JEPS117459  Achillea millefolium Lowell Ahart, John Dittes 2010-7-30 16954 Siskiyou About 30 yards west of the Shasta River, about 50 yards west of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  JEPS37100  Achillea millefolium W. L. Jepson 1940-7-3 20095 Siskiyou Bartle 1188 Comment
  SD113039  Achillea millefolium Darley F. Howe 1979-6-26 Siskiyou Military Pass Road, 6 miles southeast of #97. 185 Comment
  UCD128359  Achillea millefolium P. Quentin Tomich 1954-6-20 421 Siskiyou southeast entrance of Lava Beds National Monument. 1341 Comment
  CAS-BOT-BC400005  Achlys triphylla Clarence R. Quick 1959-6-19 59 -14 Siskiyou 6.7 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  RSA78324  Achlys triphylla P. A. Munz 1952-7-1 17859 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 Comment
  JEPS84209  Achlys triphylla subsp. triphylla L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6300 Siskiyou Indian Creek Rd. from Takilma to Happy Camp (just s. of state line) Comment
  CAS-BOT-BC210750  Achnatherum nelsonii H. A. Thomas; J. H. Thomas 1954-7-24 4513 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  CAS-BOT-BC216919  Achnatherum occidentale C. B. W. 1938-7-22 11336 Siskiyou Sisson Southern Trail 1828 Comment
  CAS-BOT-BC216926  Achnatherum occidentale A. A. Heller 1916-6-22 12427 Siskiyou Near Black Butte N of Sisson 1127 Comment
  CAS-BOT-BC216927  Achnatherum occidentale Louis C. Wheeler 1934-6-11 2684 Siskiyou N Hungry Creek 1310 Comment
  CAS-BOT-BC216929  Achnatherum occidentale Gilbert Muth 1966-7-25 454 Siskiyou Marble Rim, Marble Mountains 2072 Comment
  CAS-BOT-BC216930  Achnatherum occidentale Ralph K. Gierisch 1968-8-6 3362 Siskiyou Elk Flat, Shasta-Trinity forest 1310 Comment
  CHSC67759  Achnatherum occidentale subsp. californicum James D. Jokerst 1992-7-30 3419 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. Comment
  UC618872  Achnatherum occidentale subsp. californicum W. B. Cooke 1938-7-15 11168 Siskiyou Bear Springs Mount Shasta 1524 Comment
  UC1037164  Achnatherum occidentale subsp. occidentale Leo Whitney 1935-7-15 3475 Siskiyou 2 mi se Medicine Lake (Bullseye Lake); Bullseye Lake Comment
  UC563984  Achnatherum occidentale subsp. occidentale Elmer I. Applegate 1935-6-10 9481 Siskiyou s base of Caldwell Butte Lava Beds National Monument Comment
  RSA17729  Achnatherum thurberianum Elmer I. Applegate 1937-6-8 9442 Siskiyou Bearpaw Cave, Lava Beds National Monument. Comment
  RSA716055  Achnatherum thurberianum L. Ahart, John Dittes 2005-6-9 12018 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  CHSC91343  Acmispon brachycarpus Lowell Ahart; John Dittes 2005-6-9 12014 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  CAS-BOT-BC167238  Aconitum columbianum R. C. Wenk 2008-7-25 944 Siskiyou Lily Pad Lake, just west of Kangaroo Lake, south of the Gazelle-Callahan Rd. 1798 Comment
  UC1483534  Aconitum columbianum John Palmer 1980-8-12 699 Siskiyou s.e. Wards Gap; Klamath Nat'l Forest, Condry Mt. Quad. 1188 Comment
  HSC22294  Aconitum columbianum subsp. columbianum J. O. Sawyer 1969-8-4 1890 Siskiyou Above S Sugar Lake 2043 Comment
  HSC19285  Aconogonon davisiae J. O. Sawyer 1969-7-8 1092 Siskiyou NE slope above Little Duck Lake 2140 Comment
  CHSC1422  Actaea rubra V. Holt 1932-7-15 Siskiyou Castle Lake. 1981 Comment
  JEPS60379  Actaea rubra W. L. Jepson 1902-7-17 2078 Siskiyou Salmon Summit 2286 Comment
  CAS-BOT-BC29320  Adenocaulon bicolor Doris Kildale 1929-7-21 8745 Siskiyou Elk Lick, south fork Indian Creek Comment
  UC811180  Adiantum aleuticum A. A. Heller 1915-8-26 12235 Siskiyou Mt Eddy 1828 Comment
  SEINET10470216  Adiantum aleuticum G. B. Grant 1902-9-2 Grant UMO 32128 Siskiyou Collected at Shasta Springs northern keal. Comment
  UCD51464  Aegilops cylindrica T. C. Fuller 1958-6-19 1611 Siskiyou R.R. sideing, Montague. Comment
  SEINET515849  Agastache parvifolia Vernon Oswald 1997-7-28 8771 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi. S of Medicine Lake. 1366 Comment
  UCD35438  Ageratina occidentalis Beecher Crampton 1956-8-21 3843 Siskiyou Gravelly and stony bench above the Sacramento River, just below the junction of the middle Fork with the south Fork. 1112 Comment
  CAS-BOT-BC15479  Agoseris X dasycarpa Elmer I. Applegate 1923-8-18 3857 Siskiyou Redshale Mountain east of Medicine Lake 2438 Comment
  JEPS101308  Agoseris aurantiaca var. aurantiaca Dean W. Taylor 1999-8-12 17313 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1889 Comment
  SEINET11854996  Agoseris grandiflora J. P. Tracy 1949-1 18555 Siskiyou 1.5 mi up Taylor Creek from mouth (branch of E Fork of S Fork Salmon R.) Sec.14 T38N R11W, .. 914 Comment
  JEPS36251  Agoseris grandiflora var. grandiflora Geo. D. Butler 1909-5-29 751 Siskiyou near Yreka Comment
  POM33139  Agoseris heterophylla Geo. D. Butler 1910-4-21 1213 Siskiyou Oro Fino Comment
  HSC92335  Agoseris monticola Jennifer Whipple 1976-8-20 1726 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  UCD128661  Agoseris retrorsa Wm. E. Moon 1958-5-29 s.n. Siskiyou State Highway 97, 12 miles northeast of Weed. 1219 Comment
  CDA1688  Agropyron desertorum T. C. Fuller 1963-8-26 11161 Siskiyou Butte Valley; North limits of Macdoel. 0 Comment
  SEINET7295882 Image available Agrostis alba Beecher Crampton 1956-1 3799 Siskiyou Drainage ditch along US Hwy. 99, 1.2 mile south of Dunsmuir 701 Comment
  HSC39672  Agrostis gigantea J. P. Smith, J. O. Sawyer 1971-9-18 4830 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  RSA238354  Agrostis humilis Frederick W. Oettinger 1969-9-4 1645 Siskiyou Tobacco Lake Meadow. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA215626  Agrostis idahoensis Gilbert Muth 1969-8-10 1313 Siskiyou Ridge west of Boulder Peak 2226 Comment
  JEPS100757  Agrostis pallens Dean W. Taylor 1999-8-12 17347 a Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1889 Comment
  RSA239091  Agrostis pallens Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1188 Siskiyou west side of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  RSA239092  Agrostis pallens Frederick W. Oettinger 1969-8-14 1377 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
  UC1265312  Agrostis pallens F. W. Oettinger 1969-8-14 1377 Siskiyou inlet to English Lake (margins of open areas); Salmon Mountains 1752 Comment
  UC1265350  Agrostis pallens Frederick W. Oettinger 1969-8-22 1488 Siskiyou lower meadow at margin of meadow woods Salmon Mountains, Marble Mountain Wilderness Area, Horse Ran 1767 Comment
  UC814985  Agrostis pallens John Thomas Howell 1939-8-2 14943 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  CAS-BOT-BC138695  Agrostis scabra Melissa A. Berry 1957-7-8 s.n. Siskiyou South Russian Creek at Power House. 822 Comment
  UCD53518  Agrostis stolonifera Geo. D. Butler 1909-6-28 852 Siskiyou Almy Creek, near Yreka. Comment
  CHSC31012  Allium anceps M. S. Taylor; J. Prouty 1980-6-25 2965 Siskiyou Grizzly Peak and ridge w of peak, ca. 5 mi due e of Lake McCloud. 1889 Comment
  UC15013  Allium bolanderi Harley P. Chandler June, 1901 1724 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges, Shackleford Canyon 1828 Comment
  SBBG835  Allium campanulatum H. and M. Dearing 1939-6-3 3529 Siskiyou Klamath Public Camp, Scott River Comment
  CDA18413  Allium falcifolium G. D. Barbe, T. C. Fuller & J. T. Howell 1980-4-29 2652 Siskiyou Klamath Ranges; Schoolhouse Hill, summit of Gazelle-Callahan Road, 7 miles (11.3 km) east of Callahan. 1173 Comment
  HSC99606  Allium falcifolium Thomas W. Nelson, Jane P. Nelson 2004-6-20 9259 Siskiyou Along FS Rd. 40N08, 1 mi. from its junction with Hwy. 3 at Scott Mtn. Pass 1707 Comment
  UCR11966  Allium obtusum var. obtusum William B. Cooke 1941-8-28 16249 Siskiyou Mt. Shasta, along Squaw Valley Creek 2800 Comment
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May 7 2014
  CAS-BOT-BC132143  Allium siskiyouense Philip A. Munz 1952-7-2 17898 Siskiyou Baldy Mountain about 6 air-line miles west of Happy Camp, Siskiyou Mts. 1737 Comment
  CHSC31011  Allium siskiyouense M. S. Taylor; J. Prouty 1980-6-25 2963 Siskiyou Grizzly Peak and western ridge, ca. 5 mi due e of Lake McCloud. 1889 Comment
  UCD138604  Allium siskiyouense L. K. Mann; J. M. Tucker, S. L. Holloway 1963-7-9 s.n. Siskiyou Marble Mountain Wilderness Area. 1950 Comment
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Mar 27 2015
  SEINET12048092  Allium siskiyouense Unknown 1945-1 59 Siskiyou summit of Siskiyou Mts, between Happy Camp and O'Brien, Oregon Comment
  HSC67715  Allium validum John Palmer 1980-7-24 615 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  UC375197  Allium validum Geo. D. Butler 1908-8-3 109 Siskiyou Log Lake, Shackleford Creek 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
  UC1409505  Allotropa virgata F. W. Oettinger 1973-8-23 1515 Siskiyou Chimney Rock and Smith Lake, Salmon Mountains 1417 Comment
  JEPS58663  Alnus incana subsp. tenuifolia Geo. D. Butler 1908-8-8 12 Siskiyou West Fork of Wooly Creek; lake at head 1676 Comment
  POM106426  Alnus incana subsp. tenuifolia Edward Palmer 1892-7-27 2559 Siskiyou Mount Shasta and vicinity. Comment
  RSA1890  Alnus incana subsp. tenuifolia C. B. Wolf 1930-10-22 1752 Siskiyou 1 mile W of Mt Shasta City. 1067 Comment
  RSA238556  Alnus incana subsp. tenuifolia Frederick W. Oettinger 1968-9-4 692 Siskiyou Outlet of Abbott s Lake. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  SEINET5536248 Image available Alnus incana subsp. tenuifolia A. A. Heller 1916-1 12559 Siskiyou near Sisson 1071 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
  RSA452798  Alnus rhombifolia B. C. Templeton 1957-6-22 s.n. Siskiyou Along the Scott River, noth of Callahan Comment
  HSC2376  Alnus viridis subsp. sinuata William J. Ferlatte 1966-7-7 192 Siskiyou Caribou Basin. 1982 Comment
  UC1313037  Alnus viridis subsp. sinuata Sandra L. Holloway 1963-6-2 72 Siskiyou 100 yd from Deep Creek (and 1/4 mi n of Deep Lake); Marble Mountain Comment
  CDA3622  Alyssum alyssoides Don Shaw 1984-4-8 Siskiyou Yreka Ager Road, Montague. 0 Comment
  CDA3619  Alyssum desertorum 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
  CHSC72221  Amaranthus blitoides Vernon H. Oswald; Lowell Ahart 1998-9-16 9642 Siskiyou Hwy. 161 at the Lower Klamath NWR 5.9 mi east of Hwy. 97. 1243 Comment
  HSC73314  Amelanchier pallida Gail Newton 1980-6-20 449 Siskiyou Near Bald Mtn. 1097 Comment
  JEPS123660  Amelanchier pallida C. S. Campbell, M. Lorusso 2011-5-20 11 -350 Siskiyou Pat Trinca's property, east side of Hilt Valley Comment
  POM88107  Amelanchier pallida Geo. D. Butler 1910-4-24 s.n. Siskiyou Quartz Valley Comment
  RSA78845  Amelanchier pallida Philip A. Munz 1952-7-2 17892 Siskiyou Road to Baldy Mt., northwest of Happy Camp, Siskiyou Mts. 1524 Comment
  SEINET10736916 Image available Amelanchier pallida Cyrus G. Pringle 1882-9-5 Pringle 14506 Siskiyou 1829 Comment
  UC796487  Amelanchier utahensis Roxana S. Ferris and Laura Lorraine 1948-6-12 11844 Siskiyou road between Callahan and Gazelle (Gazelle Mountain grade); Gazelle Mountain 1499 Comment
  UC1034591  Amsinckia lycopsoides Douglas Barbe 1955-7-1 71 Siskiyou 0.6 mi e Etna (on s side of the road); Klamath Mountains 853 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
  UCD159784  Anemone G. Ledyard Stebbins 1972-7-3 9009 Siskiyou Northwest side of Red Butte, west of Cook and Green Pass. (Exact location unknown. Coordinates estimated by label maker.) 1828 Comment
  CAS-BOT-BC391806  Anemone deltoidea John Thomas Howell 1939-8-2 14927 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC391807  Anemone deltoidea John Thomas Howell 1939-8-2 14927 Siskiyou Spirit Lake, Marble Mts. 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
  CAS-BOT-BC391809  Anemone deltoidea Annie M. Alexander; Louise Kellogg 1949-7-31 5905 Siskiyou Sky High Valley, Marble Mountains 1767 Comment
  HSC69035  Anemone drummondii Maralyn A. Renner 1980-8-7 2373 Siskiyou Klamath National Forest, ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  UC199534  Anemone drummondii Annie M. Alexander and L. Kellogg 1911-8-14 320 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC391938  Anemone multifida Gilbert Muth 1965-8-6 s.n. Siskiyou Backside of Black Mountain Comment
  RSA625525  Anemone occidentalis Louis C. Wheeler 1963-8-25 8273 Siskiyou South slope, Preston Peak: South summit. 2134 Comment
  UC903756  Anemone occidentalis M. B. Dunkle July, 1945 Siskiyou Marble Mts., Klamath Nat'l Forest Comment
  CDA42371  Anemopsis californica Jodi Aceves 2014-7-7 PDR# 470 P06027653 Siskiyou East of Grenada, off of Highway A-12, approx. 1/2 mile east of Ralston Road, south side. 0 Comment
  UCD127194  Angelica tomentosa J. M. Tucker 1963-8-20 3787 Siskiyou around 1/2 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area. 1920 Comment
  RSA296046  Angelica tomentosa var. tomentosa J. M. DiTomaso 1980-8-5 1854 Siskiyou Baldy Mountain Lookout, 6 miles west of Happy Camp, 200 meters north of lookout in moist serpentine soil near spring 1707 Comment
  SBBG7564  Antennaria argentea H. and M. Dearing 1939-6-19 3681 Siskiyou French Crk Comment
  UC585071  Antennaria argentea E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1889 Siskiyou about 2 mi s Yreka 822 Comment
  HSC92259  Antennaria dimorpha Jennifer Whipple 1976-7-7 1330 Siskiyou N slopes of Mt. Eddy. 2439 Comment
  CAS-BOT-BC59159  Antennaria dimorpha S. B. Shaw 1912-4-5 s.n. Siskiyou Near Sisson. Shasta Forest Reserve Comment
  CAS-BOT-BC58719  Antennaria geyeri Alice Eastwood 1921-7-25 10814 Siskiyou Bigelows, McCloud River Comment
  CHSC69065  Antennaria geyeri Vernon H. Oswald; Lowell Ahart 1997-7-28 8803 Siskiyou Forest Route 15 ca. 1 mi south of Harris Spring: T42N R2E Sect. 31, ca. 4800 ft. 1463 Comment
  JEPS94738  Antennaria geyeri Vernon H. Oswald and Lowell Ahart 1998-7-21 9312 Siskiyou ne of Weed (Shasta National Forest plantation on w side of Hwy 97 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest 975 Comment
  HSC45211  Antennaria media J. O. Sawyer, E. Cope 1977-6-20 2964 Siskiyou Behind Devil's Punchbowl 1829 Comment
  UC1409467  Antennaria racemosa Frederick W. Oettinger 1968-9-1 654 Siskiyou above, vicinity of English Peak Abbott's Lake Basin; The Salmon Mountains, Marble Mountain Wilderness Area, Engli 1981 Comment
  UC1409466  Antennaria rosea Frederick W. Oettinger 1968-8-14 516 Siskiyou Bear Meadow, midway between Tom Taylor Cabin and English Peak Lookout Salmon Mountains, English Peak, Marble Mountain Wilderness A 2004 Comment
  RSA238710  Antennaria rosea Frederick W. Oettinger 1969-9-3 1615 Siskiyou On the bedrock slopes of Shasta 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
  HSC25422  Antennaria rosea subsp. rosea J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5665 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  HSC4638  Antennaria rosea subsp. rosea R. C. Wunner 1965-6-10 135 Siskiyou California Lava Beds National Monument; Caldwell Butte near Summit 1524 Comment
  JEPS25848  Antirrhinum vexillocalyculatum subsp. breweri Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7474 Siskiyou 3 mi ne Calif. Hwy 96, Swillup Creek crossing (Calif Hwy 96, opposite King Creek in Klamath River Canyon); Klamath River Canyon 334 Comment
  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
  JEPS74501  Apocynum androsaemifolium W. J. Ferlatte 1966-8-18 408 Siskiyou 3 mi. s. Big Flat; Trinity Alps 1584 Comment
  HSC22434  Apocynum androsaemifolium J. O. Sawyer 1969-8-18 1987 Siskiyou Along S Sugar Creek 1921 Comment
  UC164102  Apocynum androsaemifolium Geo. D. Butler 1908-7-20 74 Siskiyou Humbry Creek Comment
  CAS-BOT-BC397938  Aquilegia formosa Annie M. Alexander; Louise Kellogg 1949-7-20 5820 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  CAS-BOT-BC397943  Aquilegia formosa Alice Eastwood 1923-5-27 11959 Siskiyou Shasta Springs Comment
  RSA105414  Aquilegia formosa G. D. Barbe 1955-6-29 34 Siskiyou 1.8 miles E of Callahan, S bank of Scott River 976 Comment
  SBBG15640  Aquilegia formosa D. Myrick 1961-6-20 280 Siskiyou meadow at Bear Springs on S slope of Mt Shasta 1676 Comment
  CHSC466  Arabis V. Holt 1943-8-13 Siskiyou Marble mountains. 1828 Comment
  UC375285  Arabis Geo. D. Butler 1910-7-3 1635 Siskiyou Goosenest foothills Goosenest 1219 Comment
  HSC22409  Arabis divaricarpa var. interposita J. O. Sawyer 1969-8-1 1676 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC22410  Arabis divaricarpa var. interposita J. O. Sawyer 1969-8-2 1709 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  UC166148  Arabis holboellii Geo. D. Butler 1910-7-5 1505 Siskiyou Shackleford Creek Comment
  HSC76766  Arabis holboellii var. retrofracta K. T. Stillman 1976-8-7 379 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  SEINET3899871  Arabis holboellii var. retrofracta Dorothy Parker 1951-5-10 510 Siskiyou Kidder Creek, Scott Valley.; 0 914 Comment
  HSC22084  Arabis platysperma J. O. Sawyer 1969-7-25 1543 Siskiyou SW facing upper slope above Sugar Lake 2210 Comment
  RSA0129718  Arabis platysperma var. platysperma Gilbert Muth 1969-8-10 1336 Siskiyou Ridge west of Boulder Peak. 2378 Comment
  HSC76885  Arabis puberula K. T. Stillman 1976-6-27 145 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  HSC90567  Arabis puberula Jennifer Whipple 1976-6-12 980 Siskiyou SE slope of Mt. Eddy draining into the N Fork of the Sacramento River 2195 Comment
  JEPS53186  Arabis subpinnatifida Geo. D. Butler ca. 1909 587 Siskiyou Yreka Comment
  JEPS53187  Arabis subpinnatifida Geo. D. Butler 1909-4-24 685 Siskiyou Greenhorn Mountain Comment
  HSC46182  Arabis subpinnatifida Jennifer Whipple 1977-4-29 1867 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  HSC90612  Arabis suffrutescens Jennifer Whipple 1977-8-4 2166 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2195 Comment
  POM94631  Arabis suffrutescens Geo. D. Butler 1908-8-3 128 Siskiyou Log Lake, Shackleford Creek Comment
  SD76161  Arbutus menziesii Helen V. Witham 1969-10-7 589 Siskiyou 6 miles south of Scott's Bar, Scott River. 500 Comment
  UC1585411  Arbutus menziesii R. Raiche, K. Zadnik, and H. Forbes 1989-3-10 UCBG 37 Siskiyou 17 km e of Happy Camp (on Hwy 96, Seiad VAlley area); Seiad VAlley area Comment
  CAS-BOT-BC407726  Arceuthobium abietinum Marion Ownbey; Fred G. Meyer 1940-7-6 2212 Siskiyou Summit of Cayenne Ridge, near Marble Fountain Comment
  CAS-BOT-BC407727  Arceuthobium abietinum Marion Ownbey; Fred G. Meyer 1940-7-6 2212 Siskiyou Summit of Cayenne Ridge, near Marble Fountain Comment
  SEINET2118123  Arceuthobium abietinum subsp. wiensii R. L. Mathiasen, C. M. Daugherty 2008-8-8 08 -23 Siskiyou Klamath National Forest. Baldy Mountain, 18.2 km W of Indian Creek on forest road 17N11 (Doolittle Creek Road) 1820 Comment
  CHSC97993  Arceuthobium campylopodum R. L. Mathiasen 2005-3-12 531 Siskiyou 0.8 km north of Highway 89 on forest road 88 (road to Mt. Shasta Ski Park). Shasta-Trinity National Forest. Comment
  UC164233  Arceuthobium campylopodum Geo. D. Butler 1908-8-26 273 Siskiyou Russian Creek Comment
  UC618794  Arceuthobium campylopodum W. B. C. 1938-9-2 11593 Siskiyou Sisson Southern Trail Mount Shasta 1371 Comment
  UCD78114  Arceuthobium campylopodum Robert E. Preston 2003-7-31 2175 Siskiyou N slope of Rainbow Mountain 1706 Comment
  JEPS81757  Arctostaphylos klamathensis Albert Seneres, Stephen Edwards, and Nigel Harold 1982-10-5 Siskiyou Terrace Lake 1920 Comment
  CAS-BOT-BC39977  Arctostaphylos nevadensis L. F. Henderson 1926-4-4 5935 Siskiyou Well up Sanger Peak Trail, 5 miles from Takilma, S. Ore, but in California. Comment
  CAS-BOT-BC39978  Arctostaphylos nevadensis W. R. Dudley 1893-6-20 s.n. Siskiyou Near Castle Lake by Mt. Shasta. Comment
  CAS-BOT-BC45433  Arctostaphylos nevadensis Doris K. Kildale 1928-7-2 5335 Siskiyou Salmon Summit on Hom Creek Trail. 1981 Comment
  UC21874  Arctostaphylos nevadensis W. H. Brewer 1862-9-13 1381 Siskiyou Mount Shasta 1828 Comment
  UC456165  Arctostaphylos nevadensis I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 2133 Comment
  JEPS124856 Image available Arctostaphylos nevadensis C. L. Kline 1965-7-13 200 Siskiyou Mt. Shasta. 500' above ski bowl, Comment
  SEINET11991025  Arctostaphylos nevadensis S. Edwards, Roderick, W. 1983-1 102 Siskiyou on Cook & Green Pass E of pass 1524 Comment
  CAS-BOT-BC46431  Arctostaphylos patula Albert Seneres; Stephen Edwards; Nigel Harold 1982-10-2 s.n. Siskiyou SW. of Deadwood Peak Lookout. 1653 Comment
  CAS-BOT-BC46432  Arctostaphylos patula T. H. Harris 1951-6-1 s.n. Siskiyou Happy Camp. 1737 Comment
  CAS-BOT-BC46475  Arctostaphylos patula W. R. Dudley 1899-8-9 s.n. Siskiyou Near Black Butte. Comment
  CAS-BOT-BC46516  Arctostaphylos patula Doris K. Kildale 1929-8-24 8837 Siskiyou Preston Peak. 2228 Comment
  HSC68535  Arctostaphylos patula Maralyn A. Renner 1980-6-24 1076 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  JEPS101963  Arctostaphylos patula Dean W. Taylor 1999-6-10 17250 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
  RSA47603  Arctostaphylos patula Roxana S. Ferris, Laura Lorriane, R. T. Ferris 1948-6-12 11825 Siskiyou One mile below summit of Gazelle Mountain, Gazelle-Callahan grade, west side. 1220 Comment
  SEINET11990947  Arctostaphylos patula Unknown 1983-1 4887 Siskiyou Terrace Lake 1898 Comment
  CHSC33287  Arctostaphylos patula subsp. patula M. Yoder 1941-7-6 Siskiyou Castle Lake. 1981 Comment
  HSC35841  Arctostaphylos viscida J. O. Sawyer 1969-8-17 2033 Siskiyou SW facing slope near C.C.C. road 1341 Comment
  HSC68579  Arctostaphylos viscida Maralyn A. Renner 1980-6-23 695 Siskiyou Ridge S of Pacific Crest Trail 1463 Comment
  RSA12511  Arctostaphylos viscida subsp. viscida C. B. Wolf 1934-7-4 5925 Siskiyou Klamath River, 3 mi. below Tee Bar Creek. 213 Comment
  SBBG19308  Arctostaphylos viscida subsp. viscida M. A. Piehl 1956-8-14 Siskiyou Indian Crk near jade mine, vicinity of Happy Camp Comment
  CAS-BOT-BC384754  Arenaria serpyllifolia var. serpyllifolia Alice Eastwood 1923-5-29 s.n. Siskiyou Cantara 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
  POM312502  Arnica Calvin McMillan, Malcom A. Nobs 1949-6-17 797 Siskiyou Grass Lake, Highway 97. Comment
  SEINET3085679 Image available Arnica Milo S. Baker 1939-6-25 9462 Siskiyou Highway north of Weed towards Klamath Falls near margin of Winter Pool. Comment
  HSC68395  Arnica cernua Maralyn A. Renner 1980-6-26 1245 Siskiyou SE edge of Flint Valley. 1390 Comment
  CAS-BOT-BC82245  Arnica chamissonis T. C. Fuller 1960-6-30 4615 Siskiyou Toad Lake, ca. 7 mi. N/Bartle Comment
  POM312501  Arnica chamissonis subsp. foliosa Malcolm A. Nobs, Calvin McMillan 1949-6-17 798 Siskiyou Grass Lake, Highway 97. Comment
  CAS-BOT-BC82368  Arnica cordifolia L. E. Smith 1915-4-25 s.n. Siskiyou Sisson Comment
  CAS-BOT-BC82366  Arnica cordifolia L. E. Smith 1914-5-12 693 Siskiyou Weed Comment
  CAS-BOT-BC82367  Arnica cordifolia Alice Eastwood; John Thomas Howell 1937-6-26 5037 Siskiyou Salmon Mts. 10 miles sw. of Etna Comment
  HSC46235  Arnica cordifolia Jennifer Whipple 1977-7-22 2044 Siskiyou Mt. Eddy 2256 Comment
  CAS-BOT-BC82552  Arnica discoidea Doris K. Kildale 1929-7-20 8628 Siskiyou trail up South [Frk] Fork of Indian Creek to Elk Lick 1524 Comment
  UC130795  Arnica discoidea Dr. Palmer Siskiyou near Sisson's Comment
  RSA237420  Arnica diversifolia Frederick W. Oettinger 1969-8-19 1441 Siskiyou 1/2 mile NNE of English Peak and within English Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  HSC101399  Arnica lanceolata subsp. prima J. P. Smith, J. O. Sawyer, R. J. Cole 2010-8-7 13056 Siskiyou Klamath National Forest. Road to Crater Lake off Forest Service Road 40N24. 1860 Comment
  CAS-BOT-BC82659  Arnica latifolia C. L. Hitchcock; J. S. Martin 1939-7-7 5233 Siskiyou on road to Bolan Lake, 5 mi. from cut-off at junction with Takilma-Happy Camp road 1767 Comment
  UCD77357  Arnica longifolia Robert E. Preston 2002-7-13 1922 Siskiyou Klamath National Forest, Trout Creek Meadow 1505 Comment
  HSC22153  Arnica mollis J. O. Sawyer 1969-8-4 1920 Siskiyou South Sugar Creek 2043 Comment
  HSC29164  Arnica mollis Frederick W. Oettinger, R. F. Thorne 1969-8-6 1251 Siskiyou Marble Mtn. Wilderness Area, below Tom's Lower Pond 1860 Comment
  HSC65396  Arnica mollis Rich White 1978-7-3 203 Siskiyou 3/4 mile from Sawttoth Trail. Ridgetop near where Dillon Trail crosses Saddle 1768 Comment
  JEPS117876  Arnica viscosa unknown 1976-8-2 Siskiyou Gully above Horse Camp Mt. Shasta 2438 Comment
  UCD70118  Arnica viscosa D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-McCloud. Snowmans Hill. Ski Park (Mount Shasta) Road. Mount Shasta basis. 1720 Comment
  UCD129171  Artemisia borealis subsp. borealis J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3750 Siskiyou southeast-facing slope, southwestern ridge of Black Mountain (Black Marble Mountain), Marble Mountain Wildnerness Area. 2133 Comment
  RSA261515  Artemisia campestris subsp. borealis J. M. Tucker, L. K. Mann, Sandra Holloway 1963-8-18 3750 Siskiyou SW ridge of Black Mtn (Black Marble Mtn); Marble Mtn Wilderness Areas. 2134 Comment
  CAS-BOT-BC172863  Artemisia douglasiana J. K. Nelson; J. P. Nelson; Soren Nelson 2004-8-29 2004 -095 Siskiyou South side Mt. Shasta, at unnamed springs west of Mud Creek Dam, along Road 31 1584 Comment
  CAS-BOT-BC90483  Artemisia douglasiana Alice Eastwood 1917-9-2 6671 Siskiyou Shasta Springs Comment
  HSC1955  Artemisia douglasiana Geo. D. Butler 1910-7-29 1798 Siskiyou Yreka Comment
  JEPS82428  Artemisia ludoviciana subsp. incompta Gilbert Muth 1966-7-31 472 Siskiyou north side Black Mt.; Marble Mt. Wilderness Area, Black Mt. 2011 Comment
  UC1190087  Artemisia tridentata subsp. tridentata George H. Ward and Ann Ward 1949-7-14 828 Siskiyou 15 mi ne Weed Comment
  UC166157  Artemisia tridentata subsp. tridentata Geo. D. Butler 1910-9-12 1883 Siskiyou Butte Valley 1280 Comment
  HSC18555  Aruncus dioicus var. acuminatus C. B. Wolf 1927-8-27 1139 Siskiyou Mouth of Crawford Creek, Klamath river Comment
  HSC85901  Aruncus dioicus var. acuminatus Barry Silver 1986-5-26 658 Siskiyou Elk Creek Rd., 11 mi. S of Happy Camp, base of bridge 7-1949 Comment
  UC12116  Aruncus dioicus var. pubescens unknown Sep 1862 1446 Siskiyou Comment
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  CAS-BOT-BC447715  Aruncus dioicus var. vulgaris Doris K. Kildale 1929-7-20 8617 Siskiyou South Fork, Indian Creek near Happy Camp Comment
  RSA416099  Asarum hartwegii Anonymous 1907-1 s.n. Siskiyou Near Dunsmuir Comment
  HSC636  Asclepias cordifolia William J. Ferlatte 1967-6-30 592 Siskiyou Josephine Lake basin 1677 Comment
  HSC61495  Asclepias fascicularis Ruby Van Deventer 9 Aug [year missing] Siskiyou Kelley Lake and Kelley Lake Trail Comment
  SEINET3158835  Asclepias speciosa G. D. Butler 1910-8-5 1813 Siskiyou Yreka Comment
  SDSU2732  Asclepias speciosa D. F. Howe 1979-6-26 5112 Siskiyou 0.3 mile south of #3 on Little Shasta road near Yreka. Comment
  HSC76918  Aspidotis densa K. T. Stillman 1976-6-26 130 Siskiyou Marble Mtn. Wilderness Area, top of ridge W of Kings Castle. 2073 Comment
  UC185224  Aspidotis densa Geo. D. Butler 1910-7-8 1670 Siskiyou Shackelford Creek Comment
  UCD78130  Aspidotis densa Robert E. Preston 2002-6-20 1844 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope 1965 Comment
  HSC36658  Aspidotis densa Brent Whiteley 1975-6-21 20 Siskiyou 223 Comment
  POM23228  Aspidotis densa H. H. Tracy 1913-08 s.n. Siskiyou Castella Comment
  UCSB51228  Aspidotis densa Almanza, Ed 1976-7-14 Siskiyou Little Castle Lake meadow, Trinity Mountains 1706 Comment
  CAS-BOT-BC32789  Aster brickellioides Edwin Bingham Copeland 1903-8-17 s.n. Siskiyou Mt. Eddy 2225 Comment
  RSA109723  Astragalus californicus H. D. Ripley, R. C. Barneby, F. C. Ripley Jr. 1948-7-5 9633 Siskiyou 2 miles SW of Yreka. Alt. 2800 ft. Comment
  RSA94040  Astragalus californicus R. C. Barneby 1954-5-16 11516 Siskiyou Klamath River canyon 1/2 miles below Hamburg. 457 Comment
  JEPS117871  Astragalus curvicarpus var. curvicarpus J. K. Nelson with Rhonda Posey, Mary Ellen Colberg, Twyla Miller 2006-5-19 2006 -15 Siskiyou North side of Mt. Shasta south of Hwy. 97 Hotlum Fire area burned in February 2006 1090 Comment
  JEPS94893  Astragalus curvicarpus var. curvicarpus Vernon H. Oswald and Lowell Ahart 1998-6-11 9183 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
  CAS-BOT-BC177864  Astragalus curvicarpus var. curvicarpus A. A. Heller 1905-6-19 8066 Siskiyou Grenada Station Comment
  CDA26674  Astragalus gambelianus G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2776 Siskiyou Yreka. West of Motel 6, south of town, north of Greenhorn Creek Road. Comment
  UC1731130  Astragalus inversus Dean Wm. Taylor with Glenn L. Clifton, Rexford E. Palmer, Roy Buck 1987-6-24 9049 Siskiyou vicinity of Mud Well, McCloud River headwaters 1402 Comment
  CDA26703  Astragalus lentiginosus var. salinus T. C. Fuller 1962-6-12 8966 Siskiyou Davis Road to Medicine Lake, Little Oklahoma district, ca. 15 miles east of Dorris. 0 Comment
  SEINET7042832  Astragalus obscurus A. G. Vestal 1955-5-16 s.n. Siskiyou Serpentine ca. 6.2 miles northwest of Weed. Weed quadrangle UTM Zone 10, 543291mE, 4591309mN. Comment
  CAS-BOT-BC192968  Astragalus purshii var. purshii Copeland 1903-7-6 3557 Siskiyou Hornbrook Comment
  CAS-BOT-BC193064  Astragalus purshii var. tinctus R. C. Barneby 1954-5-16 11515 Siskiyou Klamath R. canyon 1/2 mi. below Hamburg 457 Comment
  CAS-BOT-BC198717  Astragalus whitneyi var. siskiyouensis G. J. Muth 1969-8-7 1258 Siskiyou Boulder Peak Ridge 2468 Comment
  CAS-BOT-BC199146  Astragalus whitneyi var. siskiyouensis John Thomas Howell; Alice Eastwood 1937-6-25 5019 Siskiyou Scott Mts. S of Callahan Comment
  CAS-BOT-BC199147  Astragalus whitneyi var. siskiyouensis John Thomas Howell; Alice Eastwood 1934-4-20 1743 Siskiyou Near Yreka on Ft. Jones Road Comment
  CHSC837  Astragalus whitneyi var. siskiyouensis V. Holt 1932-6-26 Siskiyou Mt. Eddy. 1219 Comment
  HSC82563  Astragalus whitneyi var. siskiyouensis Thomas W. Nelson, Jane P. Nelson 1979-5-26 4722 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  SEINET3165921  Astragalus whitneyi var. siskiyouensis R. W. Spellenberg 2006-6-19 13741 Siskiyou along USFS access road 4.3 km E of Claif. Hwy. 139, the jct of road and highway 31 km SE of Modoc Co. line (Just S of Adin) Comment
  CAS-BOT-BC198708  Astragalus whitneyi var. siskiyouensis A. A. Heller 1915-8-26 12220 Siskiyou Near the source of Wagon Creek, Mt. Eddy 2590 Comment
  CAS-BOT-BC198716  Astragalus whitneyi var. siskiyouensis Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou Between turnoff to Picayne Lake and Mumbo summit, Trinity Mts. 1889 Comment
  CAS-BOT-BC199149  Astragalus whitneyi var. siskiyouensis W. R. Dudley 1899-8-22 s.n. Siskiyou Tower foot hills of Craggy Mt. Comment
  CDA26765  Astragalus whitneyi var. siskiyouensis T. C. Fuller 1960-6-29 4643 Siskiyou Scott Mountain Road, 4.2 miles south of Callahan. 0 Comment
  RSA790235  Astragalus whitneyi var. siskiyouensis Rebecca Wenk 2005-7-19 319 Siskiyou Along Pacific Crest Trail, 1-2 miles south of parking lot at top of pass on National Forest Road 17, going towards Mt. Eddy. 2134 Comment
  RSA215608  Athyrium americanum Anonymous 1969-8-7 1270 Siskiyou Boulder Peak Ridge. 2470 Comment
  RSA692501  Athyrium americanum M. B. Dunkle 1945-7-19 9230 Siskiyou Cliff above Sky High Lake Comment
  UC1408834  Athyrium distentifolium var. americanum Frederick W. Oettinger 1968-8-12 499 Siskiyou area just se Tobacco Lake (Golden Peak); Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1889 Comment
  UC371154  Athyrium distentifolium var. americanum G. D. Butler 1909-7-15 876 Siskiyou Highland Mine Comment
  HSC23666  Athyrium distentifolium var. americanum J. O. Sawyer 1969-7-24 1474 Siskiyou Head of Sugar Cr. 1860 Comment
  RSA333468  Athyrium filix-femina subsp. cyclosorum Dave Kelly, Walter Wisura 1985-7-30 4071 Siskiyou Siskiyou Mountains, along Middle Creek Road, north of Horse Creek Comment
  SEINET516324  Atriplex heterosperma Vernon H. Oswald 1998-9-16 9649 Siskiyou Tour Route at Lower Klamath NWR 3 mi S of Hwy. 161. 1244 Comment
  RSA768925  Azolla microphylla Lowell A. Ahart, John Dittes 2010-7-30 16955 Siskiyou Edge of the Shasta River, about 50-100 yards from the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 air miles southwest of Big Springs Lake, 4.6 air miles northwest of Dwinnel Dam, 5.7 air miles southeast of Grenada. 717 Comment
  HSC42912  Balsamorhiza deltoidea J. O. Sawyer, Ken Stillman 1976-7-2 2822 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  UC1732045  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, Scott Mts.); Klamath Region (eKR), Scott Mts., China Mt. Quad., Shasta Va 944 Comment
  JEPS47704  Berberis aquifolium J. W. Kisling 1910-4-20 Siskiyou Edgewood Comment
  UC165953  Berberis aquifolium var. dictyota Geo. D. Butler 1909-4-22 591 Siskiyou along creek near Yreka Comment
  UC164979  Berberis nervosa Geo. D. Butler 1908-8-22 540 Siskiyou Eldridges' Corral, Russian Creek Eldridges' Corral Comment
  UC9755  Berberis nervosa T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC75926  Berberis piperiana L. B. Kildale 1930-6-1 9822 Siskiyou Etna Mills. Comment
  CAS-BOT-BC75941  Berberis piperiana P. C. Everett; E. K. Balls 1954-10-12 20271 Siskiyou Beaver Creek from Dutch Creek south 0.5 mile north of Walker. 548 Comment
  CAS-BOT-BC75942  Berberis piperiana John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53430 Siskiyou Along East Fork Scott River 2 miles east of Callahan on road to Gazelle. 990 Comment
  CDA38214  Berula erecta T. C. Fuller 1959-10-14 3124 Siskiyou York Bros. Ranch, ca. 12 miles northeast of Montague. 0 Comment
  CAS-BOT-BC169476  Betula occidentalis A. A. Heller 1915-7-18 12133 Siskiyou MetCalf's ranch, NE base of Mt. Eddy 1188 Comment
  CAS-BOT-BC169477  Betula occidentalis A. A. Heller 1915-7-18 12133 Siskiyou MetCalf's ranch, NE base of Mt. Eddy 1188 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
  CAS-BOT-BC169486  Betula occidentalis L. B. Kildale 1930-6-1 9841 Siskiyou Mill Creek near Etna Mills 914 Comment
  CAS-BOT-BC169489  Betula occidentalis W. R. Dudley 1899-8-8 s.n. Siskiyou near Sisson Comment
  UC1076038  Betula occidentalis Herbert L. Mason 1947-5-15 14754 Siskiyou nw Edgewood Comment
  CAS-BOT-BC169487  Betula occidentalis W. R. Dudley 1905-8-4 s.n. Siskiyou Sacramento River Comment
  JEPS32523  Bidens cernua Geo. D. Butler 1908-8-28 346 Siskiyou Wright and Fletcher's pasture Oro Fino Comment
  CDA10501  Bidens cernua G. Deal 1964-8-31 Siskiyou Lower Lake Road, 0.5 mile west of So. Merrill Road, Tulelake. 0 Comment
  HSC82358  Bistorta bistortoides Thomas W. Nelson, Jane P. Nelson 1978-7-24 4519 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  HSC44242  Blepharipappus scaber M. A. Baker 1977-5-22 325 Siskiyou N facing slope of hill just S of Whipple Ranch 976 Comment
  UC166582  Blepharipappus scaber Geo. D. Butler 1909-5-10 697 Siskiyou Yreka Comment
  POM215870  Blepharipappus scaber L. C. Wheeler 1935-6-9 3553 Siskiyou Yreka Creek, Siskiyou Mountains. 1220 Comment
  RSA52464  Blepharipappus scaber Dorothy Parker 1948-5-16 s.n. Siskiyou East side of Scott Valley 915 Comment
  CAS-BOT-BC15795  Boechera acutina H. A. Thomas; J. H. Thomas 1954-7-24 4480 Siskiyou Salmon-Trinity Mountains vicinity of Rush Lake and Rush Creek Meadow. About 9 miles east of Cecilville. 1981 Comment
  CAS-BOT-BC16019  Boechera breweri subsp. breweri Doris K. Kildale 1929-5-12 7810 Siskiyou Sawyers Bar. North Fork of Salmon River. 609 Comment
  CAS-BOT-BC16050  Boechera breweri subsp. shastaensis Lincoln Constance; Reed Clark Rollins 1942-5-14 2930 Siskiyou Klamath-Siskiyou Region. Shasta River 6 miles north of Yreka. 762 Comment
  UCD77348  Boechera howellii Robert E. Preston 2001-6-30 1647 b Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W nw 1/4 of se 1/4 Section 14 1889 Comment
  CAS-BOT-BC13813  Boechera howellii John Thomas Howell 1937-7-26 13538 Siskiyou Caribou Mountain. 2438 Comment
  CHSC470  Boechera lyallii V. Holt 1942-8-6 Siskiyou Caribou Lake, Trinity Alps. 2133 Comment
  UC1409354  Boechera retrofracta Frederick W. Oettinger 1969-7-10 961 Siskiyou Southwest of Upper English Peak; Salmon Mountains, Marble Mountain Wilderness Area, English Peak. 1920 Comment
  CAS-BOT-BC438786  Boechera rollei Dana York 2012-7-21 3129 Siskiyou Klamath/Siskiyou Mts. Rogue River - Siskiyou National Forest, Siskiyou Mountains, ridge above Echo Lake. 1790 Comment
  SEINET10627096 Image available Boechera rollei W. E. Rolle 1983-8-4 Rolle 831 Siskiyou Open places on sparsely forested slopes, peridotite rocks and soil derived and Klamath rivres, Red Butte-Kangaroo Mt.-Lilypad Lake- Towhead Lake region, T47N R12W, Sec. 13. 1646 Comment
  CAS-BOT-BC25871  Boechera subpinnatifida Doris K. Kildale; L. B. Kildale 1930-6-1 9836 Siskiyou Mill Creek near Etna Mills. Comment
  CAS-BOT-BC25872  Boechera subpinnatifida Lincoln Constance; Reed Clark Rollins 1942-5-14 2931 Siskiyou Klamath-Siskiyou Region. Shasta River 6 miles north of Yreka. 762 Comment
  POM46111  Boisduvalia densiflora var. densiflora Geo. D. Butler 1910-6-29 1614 Siskiyou Yreka Creek Comment
  HSC103381  Botrychium virginianum Martin J. Lenz 2006-7-13 3082 Siskiyou ~ 2 aerial mi. NW of north Dunsmuir. 1040 Comment
  RSA105405  Boykinia major G. D. Barbe 1955-7-4 093 Siskiyou 11 miles S of Etna on the N Fork of French Creek. About 1000 ft from Parrot Mill Rd. 976 Comment
  UC718020  Boykinia occidentalis Carl B. Wolf 1934-7-4 5928 Siskiyou 7/10 mi below mouth of Dillon Creek; Siskiyou Mountains, Klamath River, Dillon Creek 243 Comment
  CAS-BOT-BC36691  Brassica rapa Alice Eastwood 1912-7-16 1127 Siskiyou McCloud. Comment
  CAS-BOT-BC36692  Brassica rapa Alice Eastwood 1912-7-17 1168 Siskiyou Sisson. Comment
  CAS-BOT-BC127716  Brickellia greenei Alice Eastwood 1912-8-28 1956 Siskiyou Cantara Comment
  CAS-BOT-BC127717  Brickellia greenei Peter Raven 1956-9-5 10462 Siskiyou North Fork of Sacramento River 1828 Comment
  CHSC63594  Brickellia greenei Vernon H. Oswald; Lowell Ahart 1994-8-1 6417 A Siskiyou Forest Rd. 26 paralleling the South Fork of the Sacramento River, 1.5 mi E of Forest Rd. 40N43, 7.8 mi SW of the dam at Lake Siskiyou. 1341 Comment
  RSA44888  Brickellia greenei J. C. Roos 1948-9-2 3975 Siskiyou 5 mi SW of Yreka. Comment
  SEINET10533805  Brodiaea gracilis Katherine L. Morris 1973-5-25 Morris 278 Siskiyou Collected 7 miles e of mccloud on hwy. 89 In an area of pinus ponderos and Pinus attenuata Comment
  CHSC98798  Bromus J. K. Nelson; Rhonda Posey, Mary Ellen Colberg, Twyla Miller 2006-5-19 2006 -017 Siskiyou North side of Mt. Shasta, south of Hwy 97; Hotlum Fire area burned in February 2006. 1090 Comment
  CAS-BOT-BC149495  Bromus briziformis A. A. Heller 1905-6-20 8075 Siskiyou Shasta Valley. Gazelle. Comment
  CHSC116238  Bromus carinatus var. marginatus Barbara L. Wilson; Richard E. Brainerd 2010-8-5 16229 Siskiyou Shasta-Trinity National Forest, south of Mount Shasta itself, on road 40N88 at its junction with 41N31, 3.5 miles by road north of Highway 89. 1596 Comment
  HSC9169  Bromus commutatus L. C. Wheeler 1934-6-22 2748 Siskiyou Cottonwood Creek. 915 Comment
  HSC43470  Bromus hordeaceus Maralyn O'Meara 1974-5-25 381 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  SACT000689  Bromus sterilis Isabelle Kimber 1934-6-9 Siskiyou Abundant but thin stand. Chaparral. Comment
  POM364041  Bromus suksdorfii M. B. Dunkle 1945-1 9326 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  CAS-BOT-BC185591  Bromus tectorum Doris K. Kildale 1928-7-25 5905 Siskiyou Klamath River. Mack's Creek near Hamburg. Comment
  HSC100203  Bromus tectorum J. P. Smith, , J. O. Sawyer, & R. J. Cole 2011-5-22 13175 Siskiyou Along road from Cecilville to Forks of Salmon 743 Comment
  HSC36781  Bromus tectorum J. P. Smith 1974-5-27 7625 Siskiyou Along FS Rd. 47N03 1280 Comment
  JEPS69221  Bromus tectorum Geo. D. Butler 1909-5-21 816 Siskiyou roadside near Yreka Comment
  UC1131290  Bromus tectorum H. A. Jensen 1933-7-29 335 Siskiyou near Metcalf 883 Comment
  UCD59884  Bromus tectorum A. A. Heller 1916-6-20 12405 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  HSC65360  Cacaliopsis nardosmia Rich White 1978-7-3 215 Siskiyou Saddle in Spur Ridge between Dillon Trail and 5759 1662 Comment
  HSC24220  Calamagrostis breweri J. O. Sawyer 1969-8-4 1803 Siskiyou Above Sugar Lake 2134 Comment
  HSC69362  Calamagrostis breweri Maralyn A. Renner 1980-8-19 2506 Siskiyou S side of Caribou Lake 2104 Comment
  HSC97183  Calamagrostis canadensis Gordon Leppig 1998-8-14 1033 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  SEINET10520765  Calamagrostis canadensis Louis C. Wheeler 1935-7-26 Wheeler 3716 Siskiyou Wet sunny meadow. Jaynes Canyon, Siskiyou Mts. T47N R10W S12. Mt. Diablo Mer. 1951 Comment
  CAS-BOT-BC185089  Calamagrostis purpurascens Douglas Barbe 1959-7-4 531 Siskiyou North shore of Caribou Lake, about 4 miles southwest of Big Flat Camp, Klamath National Forest. 2103 Comment
  UC1495303  Calamagrostis purpurascens Robert T. Clausen and Harold Trapido 1940-7-27 4972 Siskiyou w side of creek about 4 mi nne summit of Mt. Shasta; So. Cascade Mts., Sacramento River Basin, Mountainhouse Cree 2133 Comment
  CAS-BOT-BC112323  Calliscirpus criniger Doris K. Kildale 1928-7-1 5333 Siskiyou Forks of Salmon. 152 Comment
  HSC28744  Callitriche heterophylla var. heterophylla Frederick W. Oettinger 1969-8-15 1388 Siskiyou Marble Mtn. Wilderness Area, inlet of Upper English Lake 1768 Comment
  OBI55418  Calocedrus decurrens David J. Keil 1992-7-20 23512 Siskiyou Etna 1000 Comment
  RSA12603  Calocedrus decurrens C. B. Wolf 1934-7-6 5983 Siskiyou 1/4 mile east of Mt. Shasta City, southwest slope of Mt. Shasta 1098 Comment
  UC718145  Calocedrus decurrens C. B. Wolf and E. R. Johnson 1934-10-8 6168 Siskiyou Modoc Lava Beds Modoc Lava Beds (14.3 mi e of Fall Riveron Rd. from Dana to Little Hot Springs Valley) 1219 Comment
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Mar 29 2012
  UCD139508  Calochortus elegans John M. Tucker; L. K. Mann, Sandra Holloway 1963-7-7 3712 Siskiyou in vicinity of Paradise Lake, at base on east side of Kings Castle on the east side, Marble Mountain Wilderness Area. 1981 Comment
  CAS-BOT-BC488606  Calochortus elegans var. nanus Annie M. Alexander; Louise Kellogg 1949-7-21 5823 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  SEINET12045296  Calochortus elegans var. nanus M. Ownbey, Brown, D. H. 1941-1 2429 Siskiyou near Gunsight Peak, mountains W of Yreka Comment
  CHSC67725  Calochortus longebarbatus J. D. Jokerst 1983-7-21 1864 Siskiyou At Wiley Ranch. Comment
  CHSC2232  Calochortus nudus N. Jaekel 1939-7-6 Siskiyou Castle Lake. 1981 Comment
  HSC81759  Calochortus nudus Thomas W. Nelson, Jane P. Nelson 1980-7-20 6189 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  HSC68406  Calochortus tolmiei Maralyn A. Renner 1980-6-26 1133 Siskiyou Flint Valley. 1390 Comment
  JEPS80557  Calochortus tolmiei Gilbert Muth 1965-8-6 189 Siskiyou backside Black Mountain; Marble Mountain Wilderness Area 2072 Comment
  JEPS96992  Calochortus tolmiei Dean W. Taylor 1999-6-9 17236 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  UCR47369  Calochortus tolmiei J. P. Smith 1973-5-5 6375 Siskiyou In and around the O'Neill Capground near Seiad Valley 488 Comment
  CAS-BOT-BC273388  Calycadenia fremontii David D. Keck 1938-8-7 4851 Siskiyou Schoolhouse Hill, 5.5 m. NE of Callahan, on road to Gazelle 1100 Comment
  UC1876208  Calycadenia fremontii Gerald D. Carr 1974-9-12 783 Siskiyou 0.4 mi E of Somesbar on Etna-Somesbar Rd. Comment
  HSC22850  Calyptridium monospermum J. O. Sawyer 1969-7-2 1000 Siskiyou E of Twin Lakes 2195 Comment
  HSC77032  Calyptridium monospermum K. T. Stillman 1976-6-17 12 Siskiyou Marble Mtn. Wilderness Area, head of Elk Valley 1768 Comment
  CDA23945  Calyptridium umbellatum T. C. Fuller 1962-6-13 8980 Siskiyou Big Sand Flat, road to Medicine Lake, 7 miles north of Bartle. 0 Comment
  SBBG25944  Calystegia malacophylla subsp. malacophylla D. Myrick 1966-8-9 1542 Siskiyou Gates Ranch, Mountain Meadow Ranch, Big Flat; Trinity Alps 1524 Comment
  CAS-BOT-BC497584  Camassia quamash subsp. breviflora Geo. D. Butler 1909-6-22 890 Siskiyou Goosenest foothills Comment
  RSA186494  Camissonia tanacetifolia subsp. tanacetifolia Peter H. Raven 1962-5-30 17898 Siskiyou U.S. Highway 97, 4.4 miles south of Dorris Comment
  SEINET10972387  Campanula prenanthoides Clifton 1979-8-12 CLIFTON 13992 Siskiyou SCOTT BAR QUAD. NR ISINGLASS LAKE 629', SLOPE, Comment
  UC220935  Campanula prenanthoides Dr. Edward Palmer Jul 13 1892-Jul 27 1892 2511 Siskiyou Mt. Shasta and vicinity Comment
  SEINET10462839  Campanula prenanthoides Barbe 1955-7-28 BARBE 317 Siskiyou .25 MI SW OF BIG CARMEN LAKE ON N SLOPE SCOTT MTN 5700', YELLOW PINE FOREST Comment
  SEINET10463148  Campanula prenanthoides Ownbey 1940-7-4 OWNBEY 2171 Siskiyou Dry north slope, Siskiyou Mountains, northwest of Hornbrook Comment
  SEINET10939014  Campanula prenanthoides Edward L. Greene 1876-7-21 Greene 958 Siskiyou Near Yreka Comment
  SDSU1313  Campanula scouleri D. F. Howe 1972-7-6 4877 Siskiyou 1.3 miles south of Oregon state line on road to Happy Camp. 1646 Comment
  SEINET10905938  Campanula scouleri Edward L. Greene 1876-8-22 Greene 1010 Siskiyou SCOTT MOUNTAIN 1829 Comment
  CAS-BOT-BC266464  Campanula wilkinsiana W. B. C. 1939-8-24 13894 Siskiyou Mount Shasta. Along the creeks in Squaw Creek meadows Comment
  SEINET10463877  Campanula wilkinsiana John G. Lemmon 1889-9-12 Lemmon s.n. Siskiyou NEAR HORSE CAMP, W SLOPE OF MT. SHASTA NR TIMER LINE FORMING EXTENSIVE MAPS 2865 Comment
  UC618905  Cardamine bellidifolia var. pachyphylla Reed Rollins 1938-9-8 11647 Siskiyou n slope Red Butte (Mount Shasta); , n slope Red Butte Comment
  RSA238957  Carex Frederick W. Oettinger 1969-8-13 1355 Siskiyou North side of Crapo Ridge trail to Tom Taylor Cabin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC19766  Carex abrupta John Thomas Howell 1939-8-3 14962 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  CAS-BOT-BC19767  Carex abrupta John Thomas Howell 1939-8-2 14934 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  CHSC107108  Carex angustata R. E. Brainerd 2009-7-22 1549 Siskiyou Trout Creek east of Mt. Shasta, 26 air miles east of weed. UTM Zone 10 592966E 4588754N. 1493 Comment
  UC824913  Carex angustata A. A. Heller 1920-7-6 13409 Siskiyou Metcalf's ranch, ne base of Mt. Eddy Mt. Eddy, Metcalf's ranch 1158 Comment
  HSC69106  Carex aquatilis Maralyn A. Renner 1980-8-6 2301 Siskiyou Cracker Meadow 1555 Comment
  JEPS63766  Carex aquatilis W. L. Jepson July 1894 55 a Siskiyou Sisson Comment
  SEINET13327770  Carex atherodes P. F. Zika 2010-7-21 25197 Siskiyou Grass Lake, on north side of Route 97, 0.4 road miles east northeast of Grass Lake Rest Area 1540 Comment
  CHSC107146  Carex athrostachya R. E. Brainerd 2009-7-21 1532 Siskiyou Trinity Mountains, Gumboot Meadow; 12.2 air miles west of Dunsmuir. UTM Zone 10 541147E 4562996N. 1821 Comment
  SEINET4110850  Carex bolanderi D. W. Taylor 2005-1 19401 Siskiyou Wagon Camp; along Forest Road 40N25, Panther Creek Drainage, Mount Shasta. 1685 Comment
  HSC61112  Carex bolanderi Ruby Van Deventer Aug 1955 Siskiyou FS 17N04, road to Doe Flat 1220 Comment
  HSC76803  Carex bolanderi L. P. Janeway 1982-8-15 148 Siskiyou Below Echo Lake 1646 Comment
  SDSU11614  Carex breweri var. breweri D. F. Howe 1962-8-6 3403 Siskiyou Mt. Shasta, Shasta National Forest 2438 Comment
  CHSC107141  Carex cusickii R. E. Brainerd 2009-7-22 1559 Siskiyou Red Hill Meadow, east of Mt. Shasta; 4 air miles east of McCloud. UTM Zone 10 478466E 4568630N. 1036 Comment
  UC195512  Carex cusickii Geo. D. Butler 1910-6-5 1475 Siskiyou Shackleford Creek Comment
  HSC85831  Carex echinata subsp. echinata L. P. Janeway 1983-7-31 472 Siskiyou Poker Flat, upper portion of meadow. 1524 Comment
  CAS-BOT-BC19921  Carex epapillosa Alice Eastwood 1921-7-28 s.n. Siskiyou Medicine Lake. Comment
  CAS-BOT-BC20131  Carex feta H. M. Hall; E. B. Babcock 1903-6-1 4061 Siskiyou Sierra Nevada Mountains. Mount Shasta. Sisson. 1066 Comment
  CAS-BOT-BC20132  Carex feta George Dexter Butler 1909-6-13 807 Siskiyou Oro Fino. Comment
  HSC91192  Carex geyeri Jennifer Whipple 1976-6-18 1037 Siskiyou Slopes near Little Crater Lake 2195 Comment
  UC1025114  Carex gigas Douglas Barbe 1955-7-9 145 Siskiyou small stream at sw shore Klamath Mountains, Scott Mtns., Kangaroo Lake 1828 Comment
  CHSC40187  Carex globosa L. P. Janeway 1983-7-17 415 Siskiyou At edge of rd 18N33 ca 7 mi from the Grayback Rd. 1463 Comment
  JEPS109693  Carex hassei Dean W. Taylor 2002-6-10 18126 Siskiyou Scott Mountain, bog between Grouse Creek and Little Carmen Creek 1188 Comment
  SEINET10367314  Carex hassei P. F. Zika, Barbara Wilson 2011-7-31 25675 Siskiyou Klamath Range, FS Rd 42N03, 1.6 road miles from junction with Gazelle-Callahan Rd. 1.5 air miles NE Mountain House, 3.5 air miles NW of Crater Lake, Scott Mts. 1700 Comment
  SEINET7562360 Image available Carex infirminervia Ray Tallent 1987-8-12 901 Siskiyou Klamath National Forest, Long Gulch Lake, SE end of lake. 1945 Comment
  CAS-BOT-BC7600  Carex inops subsp. inops 1938-7-22 11331 Siskiyou Mt. Shasta. 1981 Comment
  HSC29636  Carex laeviculmis Frederick W. Oettinger, R. F. Thorne 1969-8-4 1179 Siskiyou Marble Mtn. Wilderness Area, N of Tobacco Lake 1890 Comment
  HSC48036  Carex laeviculmis D. H. Norris 1972-6-11 22842 Siskiyou Along Duck Lakes Trail near Parrott's Mill Rd. 1677 Comment
  HSC76815  Carex laeviculmis L. P. Janeway 1982-8-15 144 Siskiyou Below Echo Lake 1646 Comment
  CAS-BOT-BC31435  Carex leporinella Louis C. Wheeler 1934-8-9 3087 Siskiyou Jaynes Canyon. 1981 Comment
  HSC48041  Carex leptopoda D. H. Norris 1972-6-11 22844 Siskiyou Along Duck Lakes trail near Parrott's Mill Rd. 1677 Comment
  HSC39867  Carex luzulina J. O. Sawyer 1969-7-11 1329 Siskiyou S Sugar Creek 2012 Comment
  UCD77472  Carex luzulina Robert E. Preston 2001-7-21 1747 Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 2066 Comment
  HSC76392  Carex luzulina L. P. Janeway 1982-7-2 34 Siskiyou Poker Flat, end of FS Rd. 18N33 1524 Comment
  UC1950183  Carex luzulina Barbara Ertter 1990-7-16 9378 Siskiyou NW side of Mt Eddy ca 8 airmiles SW of Weed, ca 1-2 mi from Parks Cr trailhead (= crest of Rt 17) along ridge; steep N-facing rocky slope Comment
  HSC45958  Carex multicaulis J. P. Smith 1973-5-5 6406 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  HSC35791  Carex multicaulis J. O. Sawyer 1969-6-12 932 Siskiyou Along trail to Duck Lake 1799 Comment
  RSA48007  Carex multicaulis Roxana S. Ferris, Laura Lorraine 11801 -A Siskiyou At Mule Creek crossing, Scott Mountain road, south of Callahan. Comment
  HSC29654  Carex multicostata Frederick W. Oettinger, R. F. Thorne 1969-8-6 1244 Siskiyou Marble Mtn. Wilderness Area, Pine Lake Meadows 1845 Comment
  HSC33315  Carex multicostata William J. Ferlatte 1974-7-26 1599 Siskiyou Big Flat, near South Fork of Salmon River, S of campground on W side of river 1524 Comment
  HSC39379  Carex multicostata J. O. Sawyer 1969-7-19 1426 Siskiyou SW facing slope above Deacon Lee Trail 2180 Comment
  HSC6  Carex multicostata William J. Ferlatte 1966-6-23 125 Siskiyou Yellow Rose Mine 1982 Comment
  SEINET7568935 Image available Carex nigricans Frederick W. Oettinger 1968-8-2 358 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, east end of Diamond Lake. 2073 Comment
  CAS-BOT-BC119465  Carex nudata C. F. Baker 1903-7-4 3541 Siskiyou Klamathon Comment
  CAS-BOT-BC118930  Carex pellita T. C. Fuller 1964-10-7 12686 Siskiyou Roadside ditch, E side of Hwy 99, S limits of Weed. Comment
  CAS-BOT-BC118934  Carex pellita Elmer Ivan Applegate 1895-5-28 787 Siskiyou Sacramento River below Sisson. Comment
  CAS-BOT-BC118573  Carex praegracilis Alice Eastwood; John Thomas Howell 1936-6-13 2748 Siskiyou 6 miles N of Weed Comment
  UC1265433  Carex preslii Frederick W. Oettinger 1969-8-13 1357 Siskiyou on trail from Diamond Lake to Crapo View Gap Salmon Mountains, Marble Mountain Wilderness Area (the high lake basins in the vicinity of English Peak) 2438 Comment
  POM254882  Carex preslii J. T. Howell 1939-8-8 15157 Siskiyou Marble Mountains: Black Mountain Comment
  HSC37426  Carex raynoldsii J. O. Sawyer 1969-7-24 1482 Siskiyou SW of Sugar Lake 1890 Comment
  CHSC102562  Carex rossii L. P. Janeway 2009-8-3 9891 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 2.4 air km southwest of Brewer Creek Trailhead; about 20 m south of Brewer Creek. 2637 Comment
  HSC90440  Carex rossii D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta 1829 Comment
  HSC86446  Carex rossii D. K. Imper 1987-7-22 Siskiyou 8 mi. E of Somes Bar, near Haypress Meadows 1372 Comment
  HSC67703  Carex rostrata John S. Palmer 1980-7-24 603 Siskiyou Elk Hole 1503 Comment
  CAS-BOT-BC117906  Carex scabriuscula John Thomas Howell 1937-7-29 13673 Siskiyou North side of Scott Mt. Comment
  CAS-BOT-BC117907  Carex scabriuscula John Thomas Howell 1937-7-29 13673 Siskiyou North side of Scott Mt. Comment
  CAS-BOT-BC117909  Carex scabriuscula L. P. Janeway 1983-8-27 623 Siskiyou Twin Valley lower meadow near trail, on W side of creek. 1493 Comment
  CHSC40186  Carex scabriuscula L. P. Janeway 1983-8-27 623 Siskiyou Twin Valley lower meadow near trail, on w side of creek. 1493 Comment
  HSC30527  Carex scopulorum Frederick W. Oettinger 1969-9-4 1649 Siskiyou Marble Mtn. Wilderness Area, Tobacco Lake 1890 Comment
  HSC39292  Carex spectabilis J. O. Sawyer 1969-8-2 1720 Siskiyou E facing slope SW of Little Duck Lake 2241 Comment
  JEPS40877  Carex spectabilis Paul C. Hutchison 1962-8-2 931 Siskiyou between Panther Meadow and top of ski lift; Mt. Shasta 2743 Comment
  RSA22153  Carex spectabilis W. Bridge Cooke 1938-7-21 11298 Siskiyou Heather meadow, Mt. Shasta. 2287 Comment
  POM254181  Carex straminiformis J. T. Howell 1939-8-2 14908 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  JEPS63767  Carex subbracteata Mrs. M. H. Goldsmith 1916-8-6 13 Siskiyou Sisson Comment
  HSC37418  Carex subfusca J. O. Sawyer 1969-7-11 1328 Siskiyou S Sugar Creek 1829 Comment
  CAS-BOT-BC115848  Carex subfusca William Bridge Cooke 1940-7-12 15353 Siskiyou Sisson Southern Trail Spring. 1981 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
  CAS-BOT-BC115162  Carex vesicaria Edward Lee 1934-8-13 1075 Siskiyou Happy Camp-Waldo (Oregon) Road. Watershed of W Branch of Indian Creek. 1371 Comment
  HSC39089  Carex vesicaria D. H. Norris May 1970 12268 Siskiyou Haypress Meadows, Marble Mtn. Wilderness Area Comment
  HSC48105  Carex whitneyi D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19530 Siskiyou Along Hwy. 89 at Snowman's Hill Summit, 3 mi. E of McCloud Comment
  HSC19562  Cassiope mertensiana subsp. ciliolata J. O. Sawyer 1968-7-23 570 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  HSC737  Cassiope mertensiana subsp. ciliolata William J. Ferlatte 1967-7-25 733 Siskiyou Caribou Basin 1982 Comment
  RSA126264  Cassiope mertensiana subsp. ciliolata I. L. Wiggins 1955-7-29 13570 Siskiyou Pass at SW end of Caribou L., Salmon-Trinity Alps Primitive Area. 2073 Comment
  HSC86455  Castilleja affinis D. K. Imper Jun 1989 Siskiyou 8 mi. E of town of Mt. Shasta, S side of Red Butte 2287 Comment
  HSC26117  Castilleja applegatei subsp. pinetorum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5686 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  JEPS5212  Castilleja applegatei subsp. pinetorum Geo. D. Butler 1909-4-17 630 Siskiyou near Yreka Comment
  UC625497  Castilleja applegatei subsp. pinetorum Frank W. Gould 1938-6-27 480 Siskiyou 3 mi n Mount Shasta (town) 1082 Comment
  UC885274  Castilleja arachnoidea A. A. Heller 1914-8-28 11740 Siskiyou e side Mt. Eddy 2286 Comment
  RSA80047  Castilleja arachnoidea subsp. schizotricha J. T. Howell 1939-8-4 15043 Siskiyou Marble Rim, Marble Mts 1890 Comment
  JEPS4342  Castilleja lacera W. L. Jepson 1940-7-3 20119 Siskiyou 5 mi se Bartle; Big Bear Flat 1219 Comment
  JEPS68260  Castilleja lacera L. R. Heckard 1972-5-31 2933 Siskiyou about 2 mi se Yreka 822 Comment
  JEPS3904  Castilleja miniata W. L. Jepson 1894-8-4 21469 Siskiyou Mount Shasta Comment
  UC1408802  Castilleja miniata Robert F. Thorne and Fred Oettinger 1969-8-10 28968 Siskiyou Panther Creek Meadows Mt. Shasta National Forest, Mt. Shasta (s slope of Mt. Shasta) 2194 Comment
  JEPS23770  Castilleja miniata Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6830 Siskiyou just n Scott Mtn. road summit 1615 Comment
  POM42523  Castilleja miniata Geo. D. Butler 1909-6-22 931 Siskiyou Goosenest. Comment
  HSC20550  Castilleja pilosa R. C. Wunner 1965-6-7 128 Siskiyou Lava Beds National Monument, near Dragon Head Cave 1364 Comment
  JEPS82455  Castilleja pruinosa Gilbert Muth 1966-7-14 394 B Siskiyou s of Marble Valley (Marble); Marble Mt. Wilderness Area 1792 Comment
  CAS-BOT-BC241086  Castilleja schizotricha Gilbert Muth 1965-8-6 s.n. Siskiyou Backside of Blk. Mt. 2072 Comment
  CAS-BOT-BC241087  Castilleja schizotricha John Thomas Howell 1939-8-4 15043 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  RSA428401  Castilleja schizotricha M. B. Dunkle 1945-1 9297 Siskiyou Klamath National Forest; Marble Mountains, Black Marble ridge [?]. Comment
  JEPS97798  Castilleja tenuis J. Greenhouse with John Game, Mary Simpson 2000-7-15 5009 Siskiyou 4 mi NNW of Callahan (On N side of Tiger Creek Rd. 0.7 mi W of jct. with Sugar Cr. Rd); Klamath National Forest 1146 Comment
  HSC103024  Catalpa bignonioides J. P. Smith 2014-6-6 13882 Siskiyou Along State Route 96, east of its junction with Dutch Creek Road, along bank of the Klamath River 589 Comment
  CAS-BOT-BC48649  Ceanothus cordulatus A. A. Heller 1916-6-20 12418 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in openings in the forest 1188 Comment
  CAS-BOT-BC48656  Ceanothus cordulatus Alice Eastwood 1923-5-23 11904 Siskiyou Cantara Comment
  CAS-BOT-BC49191  Ceanothus cuneatus Doris K. Kildale 1929-6-25 8370 Siskiyou Klamath River, 6 miles north of Hornbrook 609 Comment
  JEPS42185  Ceanothus cuneatus var. cuneatus Geo. D. Butler 1908-6-20 497 Siskiyou Bulter's Ranch Yreka Comment
  HSC36722  Ceanothus integerrimus Brent Whitely 1975-6-28 78 Siskiyou 915 Comment
  UC163660  Ceanothus integerrimus Geo. D. Butler 1910-8-7 1819 Siskiyou Humphrey Mountain 1219 Comment
  UC455340  Ceanothus integerrimus I. J. Condit 1909-8-23 Siskiyou near Sisson (Castle Lake) Comment
  UCD170339  Ceanothus integerrimus D. O. Burge 2016-11-11 2198 Siskiyou Weed area, roadside on Interstate 5. 955 Comment
  SEINET5339318  Ceanothus integerrimus G. Butler 1910-5-21 1381 Siskiyou Klamath hills Comment
  UC164316  Ceanothus prostratus Geo. D. Butler 1910-6-4 1501 Siskiyou Quartz Valley Comment
  UC375367  Ceanothus prostratus Geo. D. Butler 1908-8-2 410 Siskiyou Quartz Valley Comment
  UC61167  Ceanothus prostratus W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson , Sisson (Mount Shasta) Comment
  UC618736  Ceanothus prostratus W. Bridge Cooke 1938-6-17 11015 Siskiyou Sisson Southern Trail Mount Shasta, Sisson Southern Trail 1371 Comment
  SBBG16537  Ceanothus prostratus var. prostratus D. Myrick 1961-6-20 268 Siskiyou near Mt Shasta City 1066 Comment
  UC909375  Ceanothus pumilus Ira L. Wiggins 1950-5-28 12365 Siskiyou ca 1.5 mi e Scott Mountain Road; margins of Carmen Lake, e of Scott Mountain Road 1737 Comment
  HSC100184  Ceanothus sanguineus J. P. Smith, & J. O. Sawyer 2011-9-3 13401 Siskiyou Along Klamath National Forest Road 47N01. 738 Comment
  CHSC1521  Ceanothus velutinus V. Holt 1932-6-23 Siskiyou Shasta Flats. Comment
  RSA398978  Ceanothus velutinus Edwin Kline 1920-06 s.n. Siskiyou Siskiyou Mts. Comment
  RSA398979  Ceanothus velutinus Bonnie C. Templeton 1964-6-9 10064 Siskiyou Slope of Mt. Shasta Comment
  SD76170  Ceanothus velutinus Helen V. Witham 1969-10-9 594 a Siskiyou lower slopes of Mt. Shasta 1500 Comment
  UCD112759  Ceanothus velutinus B. Crampton 1956-8-22 3866 Siskiyou Wagon Camp Road south slope of Mt. Shasta. 1767 Comment
  CAS-BOT-BC52810  Ceanothus velutinus var. velutinus Gilbert Muth 1965-7-30 s.n. Siskiyou Marble Valley and Marble Rim Comment
  CAS-BOT-BC52846  Ceanothus velutinus var. velutinus Doris K. Kildale 1928-7-2 5341 a Siskiyou Salmon Summit near Hour Creek Trail 1981 Comment
  UC1362454  Ceanothus velutinus var. velutinus Frederick Karl Klein 1969-9-7 Siskiyou At intersection of Shasta National Forest road 40N25 and S. P. tracks 1295 Comment
  CAS-BOT-BC272122  Centaurea cyanus John H. Thomas 1969-9-7 15467 Siskiyou Near railroad tracks, McCloud Comment
  HSC37528  Centaurea cyanus J. P. Smith 1974-5-26 7529 Siskiyou On Hwy. 3, 0.5 mi. NE of Fort Jones 854 Comment
  CDA7268  Centaurea maculosa T. C. Fuller 1963-8-26 11155 Siskiyou W. H. Kerr, Flying K Ranch, upper Quartz Valley, 2 miles south of Mugginsville. 0 Comment
  CHSC114370  Centaurea solstitialis Steve Orloff 2011-9-1 Siskiyou From a property along the Klamath River. Comment
  POM351527  Centaurea solstitialis J. P. Smith, Steve Selva 1970-7-16 4403 Siskiyou 1 mile east of O'Neill Campground 579 Comment
  UC1776773  Centaurea stoebe subsp. micranthos Steelman 1996-7-10 s.n. Siskiyou Mott Road exit from I-5, north of Dunsmuir Comment
  RSA604409  Centaurium exaltatum Louis C. Wheeler 1935-7-3 3646 Siskiyou Shasta River two mi. Montague 762 Comment
  CHSC71570  Cerastium arvense Vernon H. Oswald; Lowell Ahart 1998-8-3 9453 Siskiyou East end of Rock Fence Lake Rd. (USFS 41N18) in the Scott Mtns. east of Kangaroo Lake. Near Rock Fence Creek. 1920 Comment
  RSA184742  Cerastium arvense Gilbert Muth 1966-7-25 450 Siskiyou Marble Mountain lookout, Marble Mountains. 2098 Comment
  RSA215611  Cerastium arvense Gilbert Muth 1969-8-6 1199 Siskiyou Boulder Peak. 2530 Comment
  UCD98003  Cerastium dichotomum T. C. Fuller 1962-6-12 8969 Siskiyou B. M. Long prop., Little Shasta Road, 5 miles east of Montague. Comment
  CAS-BOT-BC148520  Cercocarpus ledifolius var. ledifolius Elmer I. Applegate 1935-6-7 9407 Siskiyou Indian Well, Lava Beds National Monument Comment
  CAS-BOT-BC148524  Cercocarpus ledifolius var. ledifolius L. E. Smith 1913-4-10 65 Siskiyou Bray Comment
  JEPS94397  Chaenactis douglasii var. douglasii Vernon Oswald and Lowell Ahart 1997-7-28 8769 Siskiyou 16 mi s of Medicine Lake (Forest Route 49 (Powder Hill Road) at 41N03 to Porcupine Butte); Forest Route 49 1365 Comment
  UC1286473  Chaenactis douglasii var. douglasii W. B. and V. G. Cooke 1965-7-12 35192 Siskiyou along Bolam Road Mt. Shasta 1706 Comment
  UC564177  Chaenactis douglasii var. douglasii Elmer I. Applegate 1935-6-8 9450 A Siskiyou Sconchin Butte Lava Beds National Monument Comment
  UC618707  Chaenactis douglasii var. douglasii unknown 1938-8-12 11462 Siskiyou just below Horse Camp (along Wagon Camp-Horse Camp Trail); Mount Shasta 2438 Comment
  UC642590  Chaenactis douglasii var. douglasii Palmer Stockwell 1939-8-10 13872 Siskiyou between Squaw Valley Creek and Mud Creek Canyon 2895 Comment
  JEPS101314  Chaenactis suffrutescens Dean W. Taylor 1999-7-18 17286 Siskiyou Moffett Creek Road 2.8 miles South from junction with Highway 3, opposite confluence Crooked Creek 295 Comment
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Jul 5 2007
  UC336703 Image available Chaenactis suffrutescens J. G. Lemmon 1902-12-1 Siskiyou Head waters of Sacramento River; ; headwaters of Sacramento River Comment
  UCD19695  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. Comment
  UC579118  Chamaebatiaria millefolium J. William Thompson 1936-7-8 13151 Siskiyou Lava Beds National Monument Comment
  RSA142662  Chamaecyparis nootkatensis Al Hobart 1961-7-13 5 Siskiyou Mt. Preston 2134 Comment
  SD46659  Chamaesaracha nana E. K. Balls, L. W. Lenz 1956-6-18 21802 Siskiyou 1.5 mi. e. of McCloud, State Hwy. 89, roadside 1006 Comment
  JEPS52331  Chamaesyce serpyllifolia Geo. D. Butler 1908-8-15 71 Siskiyou near Yreka; McNulty Ranch Comment
  OBI53600  Chamerion angustifolium Steve Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity Natl Forest, S of Mt Shasta (T40N, S3W, E1/2 sec 8) 1768 Comment
  HSC22480  Chamerion angustifolium subsp. circumvagum J. O. Sawyer 1969-7-8 1064 Siskiyou WNW facing slope above Little Duck Lake 2073 Comment
  HSC377  Cheilanthes gracillima William J. Ferlatte 1967-6-30 601 Siskiyou Josephine Lake basin 1677 Comment
  UC1597994  Cheilanthes gracillima Alan R. Smith with Christopher Richard, and C. Don MacNeill 1993-5-10 2555 Siskiyou e rim Mammoth Crater; Lava Beds Nat'l Monument 1645 Comment
  CAS-BOT-BC68211  Cheilanthes gracillima Donald Branscomb 1958-7-1 s.n. Siskiyou Castle Lake 1706 Comment
  CAS-BOT-BC68212  Cheilanthes gracillima Donald Branscomb 1958-7-1 s.n. Siskiyou Bald Mountain Comment
  CAS-BOT-BC68220  Cheilanthes gracillima Gilbert Muth 1965-8-6 s.n. Siskiyou Trail to backside of Blk. Mt. 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
  CAS-BOT-BC68238  Cheilanthes gracillima Robert T. Clausen; Harold Trapido 1940-7-26 4953 Siskiyou Sacramento River Basin - Mt. Shasta - east side of canyon on Mud Creek 1584 Comment
  POM210924B  Cheilanthes intertexta L. C. Wheeler 1934-10-21 3344 Siskiyou Shasta Valley 8 miles northeast Gazelle 869 Comment
  RSA238391  Chenopodium Frederick W. Oettinger 1969-8-24 1533 Siskiyou English Lake; The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  CAS-BOT-BC451434  Chimaphila menziesii Wm. Bridge Cooke 1939-8-4 13810 Siskiyou Mount Shasta: along the Sisson Southern Trail 1676 Comment
  CAS-BOT-BC451442  Chimaphila menziesii J. H. Thomas 1954-5-14 4174 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles SE of Cecilville 1219 Comment
  UC722500  Chimaphila menziesii C. L. Hitchcock and J. S. Martin 1939-7-7 5269 Siskiyou ca. 13 mi. s. Takilma, Oregon; Sanger Peak Trail 1066 Comment
  CAS-BOT-BC451441  Chimaphila menziesii L. B. Kildale 1930-6-1 9782 Siskiyou Black Bear Trail to Sawyer Bar 609 Comment
  SJSU2591  Chimaphila umbellata H. L. Buckalew 1962-7-6 Siskiyou junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts Comment
  UC1483423  Chimaphila umbellata John Palmer 1980-8-15 1007 Siskiyou n.e. Seiad Low Gap (on spur of F.S. Rd. 46N50); Klamath Nat'l Forest, Seiad Valley Quad. 1463 Comment
  UC876107  Chimaphila umbellata John Thomas Howell 1937-7-26 13559 Siskiyou Caribou Gulch Comment
  UC933355  Chimaphila umbellata Annie M. Alexander and Louise Kellogg 1948-9-8 5598 Siskiyou e. side top of grade between Sawyers Bar and Etna; Siskiyou Mts. 1737 Comment
  SEINET12057288  Chlorogalum pomeridianum F. H. Utech 1978-7-1 78 -264 Siskiyou Klamath National Forest, Young's Valley Comment
  CAS-BOT-BC36380  Chrysolepis chrysophylla W. R. Dudley 1907-8-25 s.n. Siskiyou Salmon Mountains Comment
  CAS-BOT-BC36202  Chrysolepis sempervirens E. B. Copeland 1903-8-13 3835 Siskiyou Sisson 1066 Comment
  CAS-BOT-BC36244  Chrysolepis sempervirens Doris K. Kildale 1928-8-19 6556 Siskiyou Hancock Lake, on trail to Marble Mt. 2133 Comment
  UCR78453  Cichorium intybus Scott D. White, Julie Greene 1993-8-24 1842 Siskiyou Klamath National Forest. 'Tree of Heaven' campground, off Hwy 96. Comment
  JEPS15749  Cicuta douglasii Geo. B. Grant Sept, 1902 5141 Siskiyou Mount Shasta, Shasta Springs, Sisson Shasta Springs; Mount Shasta, , Sisson 609 Comment
  UC106567  Cicuta douglasii T. S. Brandegee July 1887 Siskiyou Edgewood Comment
  UC165375  Cicuta douglasii Geo. D. Butler 1910-7-15 1788 Siskiyou Oro Fino Creek Comment
  RSA239134  Cinna latifolia Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1165 Siskiyou Between Base Camp and Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  CAS-BOT-BC32801  Cirsium breweri var. canescens Alice Eastwood 1912-8-30 2085 Siskiyou Mount Eddy Comment
  UCD130606  Cirsium douglasii var. breweri A. H. Murphy 1956-8-16 56 L Siskiyou Big Marshy Meadows, Klamath National Forest. 1981 Comment
  RSA0070694  Cirsium occidentale var. candidissimum B. C. Templeton 1957-6-22 s.n. Siskiyou North of Yreka. Comment
  UC165435  Cirsium remotifolium var. odontolepis Geo. D. Butler 1910-7-9 1695 Siskiyou Shackleford Creek 1219 Comment
  CDA1589  Cirsium scariosum var. robustum T. C. Fuller 1959-7-9 2738 Siskiyou Hwy 99, 2 mi. S/ Gazelle. 0 Comment
  HSC44502  Clarkia gracilis subsp. gracilis K. Irwin 1977-5-22 390 Siskiyou On South Fork Salmon River Rd., 4 mi. E of Cecilville Comment
  CAS-BOT-BC164973  Clarkia rhomboidea Doris K. Kildale 1929-5-26 9199 Siskiyou Salmon River at Hawkins Bar 609 Comment
  HSC64512  Clarkia rhomboidea J. P. Smith, J. O. Sawyer 1972-6-30 5637 Siskiyou Junction of French Creek and Sugar Creek Rd., 1/2 mi. W of Parrott Mill Rd. 1250 Comment
  RSA237655  Clarkia rhomboidea Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1212 Siskiyou Hot area near English Lake Trail above Willow Spring. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  HSC62629  Claytonia cordifolia Al Hobart Siskiyou Youngs Valley 1524 Comment
  JEPS43321  Claytonia exigua subsp. exigua J. W. Kisling 1910-1 Siskiyou Edgewood Comment
  CAS-BOT-BC439631  Claytonia parviflora subsp. parviflora John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53434 Siskiyou Along East Fork Scott River 2 miles east of Callahan on road to Gazelle 990 Comment
  UC163721  Claytonia parviflora subsp. parviflora Geo. D. Butler 1909-3-26 681 Siskiyou near Oro Fino Comment
  CDA23956  Claytonia perfoliata G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-28 2595 Siskiyou Between Old Highway 99 and railroad 4 km south of Grenada. Comment
  UCD77231  Claytonia rubra Robert E. Preston 2002-6-20 1851 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope. 1968 Comment
  CHSC71314  Claytonia rubra subsp. depressa Vernon H. Oswald; Lowell Ahart 1998-6-11 9219 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sam Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  HSC22124  Claytonia rubra subsp. rubra J. O. Sawyer 1969-6-11 815 Siskiyou Ridge next to C.C.C. road, near N fork of Horse Range Creek 1357 Comment
  UC454256  Claytonia sibirica I. J. Condit 1911-7-31 Siskiyou Shasta Springs; along railroad Comment
  RSA238293  Claytonia sibirica Frederick W. Oettinger 1967-7-26 185 Siskiyou Stream bank just below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  CAS-BOT-BC92765  Clematis ligusticifolia Elmer I. Applegate 1923-9-6 3974 Siskiyou Klamath River, mouth of Doggett Creek. Comment
  UC367050  Clintonia uniflora J. G. Lemmon July, 1879 Siskiyou near Shasta Comment
  UC163700  Collinsia grandiflora Geo. D. Butler 1910-6-6 1464 Siskiyou Quartz Valley Comment
  SEINET10311487 Image available Collinsia linearis Marc Baker 1980-6-20 2227 g Siskiyou Near Bald Mountain 275 Comment
  CHSC35603  Collinsia rattanii J. P. Smith; J. Whipple 1978-7-2 9979 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1767 Comment
  HSC29394  Collinsia rattanii Frederick W. Oettinger 1968-8-16 544 Siskiyou Red Hill near outlet of Hancock Lake 1997 Comment
  UC168969  Collinsia torreyi var. latifolia Harley P. Chandler Jun 1901 1620 Siskiyou near Marble Mountain (North Coast Ranges, Upper Cottei Valley (=Cuddihy Valley)); North Coast Ranges, Upper Cottei Valley 2133 Comment
  CAS-BOT-BC229543  Collomia diversifolia Louis C. Wheeler 1934-7-6 2889 Siskiyou Hungry Creek 1097 Comment
  CHSC1227  Collomia grandiflora W. Gorsuch 1935-7-2 Siskiyou Spring Hill near Mt. Shasta City. 1158 Comment
  UCSB13154  Collomia grandiflora Breedlove, Dennis 1962-6-10 Siskiyou Indian Creek Road, 2.3 miles northwest of Happy Camp; Siskiyou Mountains 365 Comment
  HSC19055  Collomia tinctoria J. O. Sawyer 1969-7-24 1517 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  UC643296  Collomia tinctoria W. Bridge Cooke 1940-7-26 15366 Siskiyou in woods and openings on banks of canyon Mount Shasta, Diller Canyon 1524 Comment
  UC726802  Collomia tinctoria A. A. Heller 1916-6-20 12404 Siskiyou ne base of mountain Mt. Eddy, Metcalf's Ranch 1188 Comment
  HSC30629  Collomia tinctoria Frederick W. Oettinger 1968-8-18 576 Siskiyou Marble Mtn. Wilderness area, slope in draw below Tobacco Lake 1890 Comment
  CHSC72222  Conium maculatum Vernon H. Oswald; Lowell Ahart 1998-9-16 9644 Siskiyou Vista point on Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 8.7 mi east of Hwy. 97. 1243 Comment
  SEINET10694144  Conium maculatum Andrew Townesmith, Karen M. Meyer 2007-8-3 Townesmith 899 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along Forest Service road 46N50, 4.4 miles NW of intersection with state route 96. Collected on uphill side of road (just above House Creek Botanical Area). T46N R11W S12. 593 Comment
  CHSC2331  Corallorhiza maculata V. Holt 1932-6-26 Siskiyou Mt. Eddy. 1828 Comment
  UC375215  Corallorhiza maculata Geo. D. Butler 1908-7-12 Siskiyou Humbug Mountain Comment
  CDA36728  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson, Richard E. Brainerd 2010-8-4 16210 Siskiyou Old Stagecoach Road, about 0.5 mile north of Forest Service road 41N26, the Eddy Creek Road, on both sides of the road. Comment
  CHSC105578  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-6 16233 Siskiyou Ney Springs Road east of Lake Siskiyou; population intermittent along road starting 0.6 miles east of road 20M020 and extending at least to 1.2 miles. Lat. and Long. indicated +/- 36 feet. 932 Comment
  CHSC52839  Cordylanthus tenuis subsp. viscidus Rimo Bacigalupi; C. L. Custer, G. T. Robbins 1954-8-12 4790 Siskiyou 5.1. miles below (and S.E. of) summit of the road between Takilma, Ore. and Happy Camp, Calif.-Klamath National Forest, Siskiyou Mountains. 914 Comment
  SBBG93279  Cordylanthus tenuis subsp. viscidus B. Ertter 1987-7-26 7325 Siskiyou 2.2 mi N of Scott Mtn summit, on Hwy 4, at rd jct; W of rd 1371 Comment
  CAS-BOT-BC212271  Cornus glabrata Geo. D. Butler 1910-5-22 1385 Siskiyou Yreka Creek Comment
  CAS-BOT-BC212281  Cornus glabrata Wm. Bridge Cooke 1940-6-20 15171 Siskiyou Along the bank of the Klamath River along the Pacific Highway below Hornbrook. 609 Comment
  CAS-BOT-BC212272  Cornus glabrata A. A. Heller 1922-6-22 13666 Siskiyou Along the Pacific Highway on a stream bank on the slope of the siskiyou Mountains near the Oregon line. Comment
  CAS-BOT-BC212282  Cornus glabrata W. R. Dudley 1899-8-24 s.n. Siskiyou East Fork of Scott's Creek near Callahan's Comment
  CAS-BOT-BC376183  Cornus nuttallii Andrew Townesmith; Karen M. Meyer 2007-8-3 898 Siskiyou Klamath National Forest, Oak Knoll Ranger District. Along Forest Service road 46N50, 4.4 miles NW of intersection with state route 96. Collected on uphill side of road (just above House Creek Botanical Area) 593 Comment
  HSC27681  Cornus nuttallii Carl W. Mize 1972-6-10 46 Siskiyou 0.75 mi. from bridge on Steinacher Creek Rd. 366 Comment
  RSA256603  Cornus nuttallii J. P. Smith 1974-5-25 7434 Siskiyou Near junction of Road 8 and French Creek Road. 1280 Comment
  UC1584283  Cornus nuttallii Julie Kierstead 1990-4-18 90 -13 Siskiyou F.S. Rd. #39N55 along Dead Horse Canyon; Shasta-Trinity Nat'l Forest, McCloud R.D., Dead Horse Canyon 1432 Comment
  UC875888  Cornus nuttallii Alice Eastwood 1912-9-4 2095 Siskiyou Sisson Comment
  UCSB15565  Cornus nuttallii Breedlove, Dennis 1962-6-10 Siskiyou Along Indian Creek Road; 18.1 miles northwest of Happy Camp; Siskiyou Mountains 1280 Comment
  CAS-BOT-BC210393  Cornus sericea Doris K. Kildale 1929-5-31 9127 Siskiyou Cecilville, head of South Fork of Salmon River Comment
  CAS-BOT-BC210404  Cornus sericea Doris K. Kildale 1928-8-20 6335 Siskiyou Head of North Fork Salmon River at Finley's Upper Camp Comment
  JEPS94790  Cornus sericea subsp. sericea Vernon H. Oswald and Lowell Ahart 1998-8-3 9457 Siskiyou Kangaroo Lake Road(USFS 41N08) 2.6 mi se of Gazelle-Callahan Road; Kangaroo Lake Road 1426 Comment
  UC336460  Cornus sericea subsp. sericea J. G. Lemmon 1889-6-26 Siskiyou Edgewood Comment
  UC164270  Corylus californica Geo. D. Butler 1910-5-30 1433 Siskiyou Humbug Creek Comment
  CAS-BOT-BC180192  Corylus cornuta subsp. californica Carl B. Wolf 1927-8-26 1067 Siskiyou On the Klamath River, 8 mi above Hamburg Comment
  JEPS124700 Image available Corylus cornuta subsp. californica Rechen 1964-7-8 90 Siskiyou Fowlers Camp. Lower falls. McCloud River just off HW 89. Comment
  RSA481444  Corylus cornuta var. californica E. E. Stanford 1930-6-15 1584 Siskiyou 1 mile north of Dunsmuir. Comment
  SACT002823  Corylus rostrata var. californica G. Kimber 1934-6-9 Siskiyou 1/8 mile above junction with Sacramento River Comment
  HSC43042  Crepis acuminata J. O. Sawyer, Ken Stillman 1976-7-2 2815 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  CAS-BOT-BC291528  Crepis intermedia Louis C. Wheeler 1934-6-29 2829 Siskiyou Soda Creek, Klamath Forest 1066 Comment
  CAS-BOT-BC299654  Crepis monticola E. B. Babcock; G. L. Stebbins, Jr. 1936-6-11 1930 Siskiyou About 8 mi. south of Yreka 822 Comment
  JEPS125929  Crepis monticola D. W. Taylor 1996-6-28 15756 Siskiyou Antelope Mountain, ca 8 air miles S of Yreka Comment
  JEPS36407  Crepis occidentalis W. L. Jepson 1940-6-23 19981 Siskiyou hillslope e Montague 822 Comment
  UCD77571  Crepis occidentalis Robert E. Preston 2002-6-20 1840 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope 1946 Comment
  HSC24116  Crepis occidentalis subsp. conjuncta J. O. Sawyer 1971-7-2 2402 Siskiyou S of Sawtooth Mtn. 1677 Comment
  HSC19046  Crepis pleurocarpa J. O. Sawyer 1969-7-18 1390 Siskiyou Head of S Russian Creek 1829 Comment
  HSC44725  Crepis pleurocarpa J. O. Sawyer, E. Cope 1977-6-18 2904 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  HSC77287  Crepis pleurocarpa L. P. Janeway 1983-8-7 520 Siskiyou Peak 5148 near end of USFS Rd. 17N32 19 mi. from Indian Creek Rd. 1555 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
  CAS-BOT-BC299729  Crocidium Douglas Horn 1938-4-17 35 Siskiyou East of Etna 1066 Comment
  CAS-BOT-BC299730  Crocidium Geo. D. Butler 1910-3-11 1122 Siskiyou Yreka hills 914 Comment
  HSC63065  Crocidium multicaule David Wheeler 1979-4-8 34 Siskiyou N facing slope Comment
  UCD59943  Crypsis schoenoides Rimo Bacigalupi; Drs. Reino and Aloha Alava 1958-9-2 6812 Siskiyou ca. 3 miles northeast of Weed, head of Shasta Valley. 975 Comment
  HSC99208  Cryptantha affinis Jennifer Whipple 1976-7-8 1370 Siskiyou Ridgetop W of Dobkins Lake 2256 Comment
  HSC29341  Cryptantha affinis Frederick W. Oettinger 1969-7-10 960 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: SW of Upper English Lake 1921 Comment
  UC1180475  Cryptantha ambigua Robert Ornduff 1960-6-30 6268 Siskiyou U.S. Hwy 97 Grass Lake Comment
  CHSC85763  Cryptantha flaccida G. Douglas Barbe; J. T. Howell, T. C. Fuller 1980-5-20 2770 Siskiyou Klamath Ranges. At the bridge of Hwy 3 over the East Fork Scott River, 2 mi W of Callahan. 987 Comment
  CHSC86661  Cryptantha intermedia Jenny Marr 1993-7-1 44 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS67621  Cryptantha intermedia Geo. D. Butler 1909-5-2 733 Siskiyou Huzby Hill Comment
  UCD119885  Cryptantha milobakeri J. P. Smith; Steve Selva 1970-6-14 3862 Siskiyou Siskiyou County. Comment
  JEPS21126  Cryptantha simulans T. Walker 1938-6-24 Siskiyou MacBride Spr. Mt. Shasta 1524 Comment
  RSA610640  Cryptantha torreyana L. C. Wheeler 1935-5-26 3531 Siskiyou Yreka Creek, Siskiyou Mts. 915 Comment
  SBBG30582  Cryptantha torreyana D. Myrick 1968-6-25 2024 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk, Trinity Alps 1524 Comment
  SEINET12564977  Cryptantha torreyana G. D. Butler 1910-5-8 1310 Siskiyou Near Yreka. Comment
  UC164156  Cryptantha torreyana Geo. D. Butler 1910-5-8 1310 Siskiyou near Yreka Comment
  JEPS67870  Cryptantha torreyana Geo. D. Butler 1909-5-3 762 Siskiyou Humbug Mtn. Comment
  POM72150  Cryptantha torreyana Geo. D. Butler 1909-5-30 762 Siskiyou Near Yreka. Comment
  CAS-BOT-BC70479  Cryptogramma acrostichoides Doris K. Kildale 1929-7-20 8578 Siskiyou south east spur Preston Peak 1950 Comment
  RSA577156  Cryptogramma acrostichoides L. C. Wheeler 1934-8-2 3017 Siskiyou Alex Hole, Alex Canyon 1890 Comment
  UCSB51229  Cryptogramma acrostichoides Almanza, Ed 1976-7-13 Siskiyou The "Gate" Pass, Mt. Shasta 2438 Comment
  UC618844  Cryptogramma cascadensis W. Bridge Cooke 1938-8-18 11502 Siskiyou above Horse Camp (Lower Horse Camp Slopes); Mt Shasta 2514 Comment
  CAS-BOT-BC80539  Cupressus bakeri Oliver V. Matthews 1939-7-22 41 Siskiyou unspecified 1219 Comment
  NY16590  Cupressus bakeri G. D. Butler 1910-7-4 1637 Siskiyou [G... handwriting not clear] foothills 1219.2 Comment
  NY16606  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
  POM264855  Cupressus bakeri O. V. Matthews 1939-7-18 36 Siskiyou NE Goose Nest Grove; Goose Nest region 1524 Comment
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Oct 13 2013
  UC1585412  Cupressus bakeri R. Raiche, K. Zadnik, and H. Forbes 1989-10-3 UCBG 38 Siskiyou Seiad Valley Rd. toward Cook & Green Pass, ridge at junction between the West and East slope Comment
  NY1292  Cupressus bakeri subsp. matthewsii C. B. Wolf 1934-10-9 6169 Siskiyou Siskiyou Mts., above W fork of Seiad Creek, 0.75 mi above forks of creek. 1158.2 Comment
  JEPS48635  Cuscuta suksdorfii Louis C. Wheeler 1934-7-31 3011 Siskiyou 1 mi e Dry Lake Lookout; Siskiyou Mts. 1828 Comment
  HSC61606  Cycladenia humilis Ruby Van Deventer 1970-6-6 Siskiyou Lookout Mtn. Comment
  CHSC71273  Cymopterus terebinthinus var. californicus Vernon H. Oswald; Lowell Ahart 1998-6-11 9173 .1 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd., northeast of Weed. 1066 Comment
  UC164134  Cynoglossum occidentale Geo. D. Butler 1909-7-20 940 Siskiyou Highland Mine Comment
  CHSC96784  Cynoglossum officinale T. C. Fuller 1968-8-1 17453 Siskiyou In fencerow and adj. pasture, w. side of rd. to McCloud Reservoir, 0.3 mi. s. of McCloud, Siskiyou Co. Comment
  CAS-BOT-BC114774  Cyperus acuminatus Louis C. Wheeler 1934-10-11 3317 Siskiyou Oak Knoll Ranger Station, Klamath River. 670 Comment
  UC1924324  Cyperus squarrosus P. M. Peterson, J. M. Saarela & C. J. Sears 2006-8-8 19737 Siskiyou 3 mi SW of Scott Bar on Hwy 7F-01 towards Kelsey Creek, along ScottRver 526 Comment
  UC1483485  Cypripedium californicum Maralyn A. Renner 1980-6-23 966 Siskiyou West Fork Seiad Creek Klamath National Forest, Seiad Valley Quad 877 Comment
  CAS-BOT-BC133734  Cypripedium californicum A. A. Heller 1919-6-29 13282 Siskiyou Field redacted by CAS, contact the data manager for more information Comment
  HSC19325  Cypripedium fasciculatum J. O. Sawyer 1968-6-18 229 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  CAS-BOT-BC70707  Cystopteris fragilis John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-20 53553 Siskiyou East Fork Scott River 2 miles east of Callahan on road to Gazelle 1005 Comment
  CAS-BOT-BC70708  Cystopteris fragilis John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53437 Siskiyou along East Fork Scott River 2 miles east of Callahan on road to Gazelle 990 Comment
  CAS-BOT-BC70719  Cystopteris fragilis Louis C. Wheeler 1934-7-5 2879 Siskiyou Klamath Forest, Deer Creek 1676 Comment
  UC166481  Dactylis glomerata Geo. D. Butler 1909-6-18 835 Siskiyou Yreka Comment
  UCD60487  Danthonia californica Rimo Bacigalupi; Mr. and Mrs. Van Deventer 1959-7-10 7311 Siskiyou Twin Valley, Siskiyou Mts., just east of Del Norte Co. line; 4 air-line miles NNE of Preston Peak; watershed of Indian Creek. 1493 Comment
  RSA13865  Danthonia californica var. americana L. C. Wheeler 1934-7-2 2842 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts. 1280 Comment
  UCD60527  Danthonia californica var. americana R. Tofsrud 1948-8-3 s.n. Siskiyou Summit of road from Happy Camp, Siskiyou Co. to O'Brien, Oregon. Comment
  UCD61071  Danthonia intermedia Beecher Crampton 1956-8-22 3861 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2316 Comment
  HSC64582  Danthonia unispicata J. O. Sawyer 1979-5-26 3363 Siskiyou Along Hwy. 3, N side of Scott Mountain. 1341 Comment
  UCD61322  Danthonia unispicata Robert E. Preston 2002-6-20 1830 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge. 1911 Comment
  CAS-BOT-BC76239  Darlingtonia californica Mrs. Brandegee 1895-1-1 s.n. Siskiyou Mount Shasta. Comment
  CAS-BOT-BC76244  Darlingtonia californica Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mount Eddy. 1706 Comment
  POM142718  Darlingtonia californica E. B. Copeland 1903-8-17 3812 Siskiyou Mount Eddy. 1220 Comment
  POM142719  Darlingtonia californica H. M. Hall, E. B. Babcock 1903-06 4042 Siskiyou Mount Shasta; 18th Crossing, Sacramento River, near Sisson. 1037 Comment
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Nov 6 2019
  RSA422668  Darlingtonia californica Christopher Davidson 1975-6-5 2676 Siskiyou 3.3 miles from gate on special service road branching to SE of road from Gazelle to Callahan 9.3 miles W of Gazelle; Klamath Nat'l Forest. 1623 Comment
  UC1094389  Darlingtonia californica Rimo C. Bacigalupi with S. Galen Smith 1957-6-26 5956 Siskiyou small, sloping bog at w margin Gumboot Lake (ca 6 mi due s of Mt. Eddy); head of the South Fork of the Sacramento River 1859 Comment
  RSA60637  Darlingtonia californica I. L. Wiggins 1950-5-28 12370 Siskiyou Above Grouse Creek, about 1.5 miles from Carmen Lake. 1585 Comment
  SEINET10904063  Darmera peltata Mary Merello 1993-6-25 Merello 721 Siskiyou Shasta National Forest. At end of Forest Service Road 39N 28, road to Lower Falls and Fowlers Campground. Open conifer woodlands. Disturbed. Along McCloud River. 970 Comment
  HSC76671  Dasiphora fruticosa K. T. Stillman 1976-7-22 285 Siskiyou Marble Mtn. Wilderness Area Comment
  HSC43141  Daucus carota K. T. Stillman 1976-8-24 418 Siskiyou Slopes on E and N sides of Williams Point 366 Comment
  UCD95647  Delphinium andersonii Collector unknown 1957-7-23 57 L Siskiyou On the border of Trinity County. Klamath and Shasta National Forest. Deadfall Creek S.N.F. 2011 Comment
  CAS-BOT-BC8757  Delphinium glaucum John Thomas Howell 1939-8-5 15075 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  HSC41686  Delphinium nuttallianum J. P. Smith 1976-5-21 8753 Siskiyou Along FS Rd. 40N08, 1 mi. from its junction with Hwy. 3, Klamath National Forest 1646 Comment
  RSA49961  Delphinium nuttallianum E. K. Balls 1949-7-8 13899 Siskiyou Trail to Carmen Lake from Scott Mountain Camp, Scott Mt. 1707 Comment
  UCR37854  Deschampsia atropurpurea K. T. Stillman 1976-8-8 399 Siskiyou Marble Mountain Wilderness Area Comment
  UC535951  Deschampsia cespitosa subsp. cespitosa Elmer I. Applegate 1923-8-19 3895 Siskiyou Medicine Lake 1981 Comment
  CHSC71339  Deschampsia danthonioides Vernon H. Oswald; Lowell Ahart 1998-6-11 9223 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  CAS-BOT-BC201944  Deschampsia elongata Alice Eastwood 1912-8-30 2049 a Siskiyou Mount Eddy Comment
  HSC91415  Deschampsia elongata Jennifer Whipple 1977-7-21 2020 Siskiyou Near Durney Lake 2073 Comment
  UCD63529  Deschampsia elongata Rimo Bacigalupi; Mr. and Mrs. Van Deventer of Fort Dick 1959-7-10 7298 Siskiyou Twin Valley, Siskiyou Mts., just east of Del Norte County line, about 4 miles NNE of Preston Peak; watershed of Indian Creek. 1493 Comment
  CAS-BOT-BC201932  Deschampsia elongata L. P. Janeway 1983-8-28 627 Siskiyou Siskiyou Mountains; at Poker Flat 1524 Comment
  UC166617  Descurainia incana Geo. D. Butler 1908-8-4 Siskiyou Head of Shackleford Creek Comment
  RSA47783  Descurainia incisa subsp. filipes Roxana S. Ferris, Laura Lorraine 1948-6-12 1854 Siskiyou 1.5 miles below summit of Gazelle Mtn Grade, E side. 1418 Comment
  HSC76699  Descurainia incisa subsp. incisa K. T. Stillman 1976-8-7 217 Siskiyou Marble Mtn. Wilderness Area, Elk Valley 1829 Comment
  POM369575  Descurainia sophia L. C. Wheeler 1934-6-2 2620 Siskiyou Oak Knoll ranger station, Klamath River; Mt. Diablo Mer. 671 Comment
  CAS-BOT-BC402480  Dicentra formosa subsp. formosa H. E. Brown 1897-7-15 536 Siskiyou Collected South side Mt. Shasta 3048 Comment
  SEINET7040105  Dichelostemma multiflorum A. G. Vestal 1963-6-1 s.n. Siskiyou 2.8 miles north of Montague. Hawkinsville Quad. UTM Zone 10, 539617mE, 4625157mN. Comment
  CHSC4539  Dieteria canescens J. E. Bowlin 1967-7-18 51 Siskiyou Ca. 12 mi W of Mount Shasta Ski Bowl. 1066 Comment
  SEINET7839015 Image available Dieteria canescens G. D. Butler 1910-9-11 1869 Siskiyou Weed Comment
  CAS-BOT-BC291015  Dieteria canescens var. shastensis L. E. Smith 1912-8-1 s.n. Siskiyou Weed Comment
  UC223704  Dieteria canescens var. shastensis Elmer I. Applegate 1923-8-20 3900 Siskiyou Medicine Lake Comment
  UC991121  Dieteria canescens var. shastensis J. M. Tucker 1950-7-24 1949 Siskiyou 7.5 mi e McCloud (beside Highway 89) Comment
  UCD70188  Dieteria canescens var. shastensis D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-Lake Siskiyou-Gumboot Lake. South Fork (Sacramento River) Road. 1340 Comment
  CAS-BOT-BC153651  Diplacus jepsonii Wm. Bridge Cooke 1938-7-15 11214 Siskiyou Above Bear Springs Comment
  CAS-BOT-BC153652  Diplacus jepsonii Alice Eastwood 1921-7-29 10951 Siskiyou Medicine Lake Comment
  CAS-BOT-BC153731  Diplacus nanus Doris K. Kildale 1928-7-4 5481 Siskiyou Summit of divide between Sawyers Bar & Etna Comment
  SEINET10558103  Distichlis spicata Louis C. Wheeler 1935-6-30 Wheeler 3642 Siskiyou Dry subsaline adobe flat, 3 mi. S. Grenada, Shasta Valley. 792 Comment
  RSA755664  Dodecatheon alpinum Barbara J. Ertter, Julie Kierstead, Jim Nelson 1990-7-15 9370 Siskiyou ca 1 mile east of Toad Lake at head of Middle Fork Sacramento River, ca. 8 air miles west of Mount Shasta City. 1982 Comment
  RSA461379  Dodecatheon hendersonii Anstruther Davidson 1920-01 s.n. Siskiyou [Unspecified] Comment
  HSC381  Dodecatheon jeffreyi William J. Ferlatte 1967-7-25 727 Siskiyou Caribou Basin 1982 Comment
  UC1736286  Dodecatheon jeffreyi Dean W. Taylor 1972-7-3 1615 Siskiyou Salmon Mountains, near Little Duck Lake 1981 Comment
  CDA42337  Downingia bacigalupii Ed Hale 1986-7-15 s.n. Siskiyou Intersection of 97 and road to Tenant. 0 Comment
  SJSU3567  Downingia montana M. R. Kempf 1965-7-14 Siskiyou c. 2 mi SE of Bartle on State Rte 89 1158 Comment
  HSC61208  Draba howellii Al Hobart 1967-8-9 Siskiyou El Capitan Comment
  RSA237275  Draba howellii Frederick W. Oettinger 1968-8-24 630 Siskiyou above Tom s Lake and just below Crapo Peak. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  UC166132  Draba nemorosa Geo. D. Butler 1910-4-10 1162 Siskiyou near Yreka; near Yreka Comment
  UC856213  Draba verna Louis C. Wheeler 1935-4-18 3430 Siskiyou Greenhorn Creek Siskiyou Mts., Greenhorn Creek 1005 Comment
  CAS-BOT-BC41411  Draba verna L. E. Smith 1915-3-15 s.n. Siskiyou Yreka. Comment
  CAS-BOT-BC41412  Draba verna George Dexter Butler 1909-4-6 549 Siskiyou Below Yreka. Comment
  RSA66145  Draba verna L. C. Wheeler 1935-4-18 3430 Siskiyou Greenhorn Creek, Siskiyou Mtns. (Mt Diablo Mer.) 1006 Comment
  UC880657  Draperia systyla Alice Eastwood 1912-7-23 1347 Siskiyou Cantara Comment
  HSC64754  Drymocallis glandulosa J. P. Smith, Steve Selva 1970-7-17 4460 Siskiyou Below Kangaroo Lake. 1890 Comment
  HSC77057  Drymocallis glandulosa K. T. Stillman 1976-8-7 189 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  HSC101398  Drymocallis glandulosa var. glandulosa J. P. Smith, J. O. Sawyer 2010-8-7 13055 Siskiyou Klamath National Forest. Road to Crater Lake off Forest Service Road 40N24. 1860 Comment
  UC726533  Drymocallis glandulosa var. reflexa A. A. Heller 1916-6-20 12399 Siskiyou ne base Mt. Eddy; ne base of Mt. Eddy, Metcalf's Ranch 1188 Comment
  HSC60786  Drymocallis lactea var. lactea Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC69709  Drymocallis lactea var. lactea Maralyn A. Renner 1980-7-15 1776 Siskiyou English Lake inlet 1780 Comment
  HSC76652  Drymocallis lactea var. lactea K. T. Stillman 1976-7-23 299 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  SBBG88090  Drymocallis lactea var. lactea S. Morgan 1987-7-28 Siskiyou McGinnis Springs, 5 mi NW of McCloud, Shasta-Trinity National Forest, S of Mt Shasta 1767 Comment
  CAS-BOT-BC536650  Drymocallis pseudorupestris Wm. Bridge Cooke 1939-8-8 13829 Siskiyou Mount Shasta Comment
  HSC90600  Drymocallis pseudorupestris var. pseudorupestris Jennifer Whipple 1976-6-23 1106 Siskiyou Mt. Eddy, E and S facing slopes draining into the N Fork of the Sacramento River 2256 Comment
  CAS-BOT-BC158425  Drymocallis rhomboidea Elmer I. Applegate 1935-6-6 9357 Siskiyou Caldwell Butte, Lava Beds National Monument Comment
  UCSB17782  Dysphania botrys Breedlove, Dennis 1962-6-11 Siskiyou At confluence of Scott and Klamath Rivers 472 Comment
  UCD98822  Dysphania pumilio A. A. Heller 1915-8-24 11210 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  UC185013  Eleocharis obtusa Geo. D. Butler 1910-8-27 1855 Siskiyou Oro Fino Comment
  CHSC91241  Eleocharis parishii Lowell Ahart; John Dittes 2005-6-10 12096 Siskiyou At the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  SBBG27205  Eleocharis parishii L. C. Wheeler 1934-8-31 3230 Siskiyou Lund Ranch, W Fork Beaver Crk; Siskiyou Mtns 1066 Comment
  HSC77195  Eleocharis suksdorfiana L. P. Janeway 1983-8-16 556 Siskiyou Poker Flat 1524 Comment
  JEPS84001  Elymus X aristatus L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6433 Siskiyou Hell's Canyon Kangaroo Mountain (cirque at head, e slope of mt., ca 5 mi n of town of Seiad Valley) 1828 Comment
  JEPS57188  Elymus elymoides subsp. elymoides L. R. Heckard 1967-8-13 1686 Siskiyou Mt. Eddy; scree slopes near summit 2743 Comment
  HSC19240  Elymus elymoides var. elymoides J. O. Sawyer 1969-7-25 1553 Siskiyou S of High Lake 2210 Comment
  HSC22445  Elymus elymoides var. elymoides J. O. Sawyer 1969-7-7 1076 Siskiyou S facing ridge above Big Duck Lake 2226 Comment
  CDA31706  Elymus glaucus T. C. Fuller 1958-6-19 1886 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  HSC48284  Elymus glaucus J. O. Sawyer, K. T. Stillman 1978-7-6 3303 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  UC157086  Elymus glaucus Copeland 1903-9-6 3802 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC206611  Elymus glaucus subsp. glaucus Doris K. Kildale 1928-8-20 6622 Siskiyou Hancock Lookout, on trail to Marble Mountain 2151 Comment
  CAS-BOT-BC206612  Elymus glaucus subsp. glaucus Geo. D. Butler 1910-7-3 1624 Siskiyou Goosenest foothills Comment
  UC197108  Elymus glaucus subsp. jepsonii Geo. D. Butler 1908-7-20 466 Siskiyou Humbug Creek Comment
  HSC38844  Elymus multisetus J. P. Smith, Steve Selva 1970-6-15 3932 Siskiyou Between Forks of Salmon and Cecilville. Comment
  POM112863  Elymus multisetus Geo D. Butler 1909-6-4 812 Siskiyou Dry land near Yreka Comment
  HSC91440  Elymus spicatus Jennifer Whipple 1977-8-4 2152 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2439 Comment
  UCD62716  Elymus trachycaulus A. H. Murphy 1956-8-14 56 A Siskiyou Little Mill Creek Meadow. Klamath N. F. 2011 Comment
  CAS-BOT-BC204304  Elymus trachycaulus subsp. trachycaulus Geo. D. Butler 1909-6-28 850 Siskiyou Near Yreka Comment
  JEPS107453  Elytrigia intermedia subsp. barbulata Lowell Ahart, John Dittes 2005-6-10 12121 Siskiyou North side of the corral, end of Salvadori Road, Nelson Ranch, about 1 1/4 miles (air) south of Highway 99/97 Cutoff, about 5 1/4 miles (air) east-southeast of Grenada 785 Comment
  UC164268  Epilobium brachycarpum Geo. D. Butler 1910-7-3 1629 Siskiyou Goosenest foothills 1219 Comment
  HSC16314  Epilobium brachycarpum R. C. Wunner 1965-6-20 233 Siskiyou Lava Beds N.M., near Thunderboldt Cave 1463 Comment
  RSA34395  Epilobium brachycarpum W. Bridge Cooke 1947-8-1 17759 Siskiyou Along the Shasta Snowline Highway, Mt. Shasta 1677 Comment
  JEPS121626  Epilobium ciliatum Kendra Sikes 2011-8-24 Siskiyou Headwaters of Fawn Creek, east slope of the Eddys. Gently sloping wet meadow / fen on ultramafic soil; N aspect. Mumbo Basin quadrangle. FCS-1D Comment
  RSA237582  Epilobium ciliatum subsp. glandulosum Frederick W. Oettinger 1969-7-31 1114 Siskiyou Wet meadow, west of and above English Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1738 Comment
  RSA215612  Epilobium clavatum Gilbert Muth 1969-8-6 1229 Siskiyou East side of Boulder Peak Ridge 2470 Comment
  HSC19500  Epilobium glaberrimum subsp. fastigiatum J. O. Sawyer 1969-8-4 1868 Siskiyou Slopes W of S Sugar Lake 2165 Comment
  RSA237581  Epilobium hallianum Frederick W. Oettinger 1969-8-14 1381 -a Siskiyou Campsite, English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area 1738 Comment
  JEPS25648  Epilobium hornemannii subsp. hornemannii Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7288 Siskiyou beside rill Poker Flat 1536 Comment
  HSC35807  Epilobium hornemannii subsp. hornemannii J. O. Sawyer 1969-7-9 1344 Siskiyou Above S Sugar Lake 2287 Comment
  CAS-BOT-BC419731  Epilobium luteum Julie Kierstead Nelson; Martin Lenz; Rhonda Posey 2014-8-13 2014 -086 Siskiyou Headwaters of West Fork Parks Creek, adjacent to Road 41N29Y, 2 miles NE of China Mountain, eastern Klamath Ranges. 2194 Comment
  JEPS84191  Epilobium obcordatum L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6405 Siskiyou cirque at head of canyon Hell's Canyon (ca 5 mi n of town of Seiad Valley) 1750 Comment
  POM251090  Epilobium paniculatum W. Bridge Cooke 1938-7-22 11314 Siskiyou Mt. Shasta 1220 Comment
  UC1034570  Epilobium siskiyouense Douglas Barbe 1955-7-26 283 Siskiyou small pond on n side of mtn below summit; Klamath Mountains, Scott Mountain 1981 Comment
  UC42526  Equisetum arvense Marshall A. Howe 1894-8-8 Siskiyou Shasta Springs Comment
  JEPS107687  Equisetum laevigatum Lowell Ahart, John Dittes 2005-6-10 12107 Siskiyou Steep slope, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  HSC27219  Eragrostis cilianensis J. P. Smith, J. O. Sawyer 1971-9-18 4792 Siskiyou Hwy. 3 between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  UCR142758  Eragrostis cilianensis L. C. Wheeler 1934-10-24 3346 Siskiyou Siskiyou Mtns, Oak Knoll Ranger Station, Klamath River 671 Comment
  CAS-BOT-BC204628  Eragrostis mexicana subsp. virescens R. E. Frenkel 1963-7-13 220 Siskiyou On Everitt Memorial Highway, 1.0 mile north of McCloud River RR crossing near Mount Shasta 1219 Comment
  SEINET3164603  Eremocarpus setiger G. D. Butler 1910-7-28 1794 Siskiyou near Yreka Comment
  CAS-BOT-BC174101  Eremogone aculeata John Thomas Howell 1939-8-2 14916 a Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC69702  Eremogone congesta Maralyn A. Renner 1980-6-26 1264 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  HSC36423  Eremogone congesta J. O. Sawyer 1969-6-12 935 Siskiyou Along Duck Lake trail 1905 Comment
  CAS-BOT-BC174222  Eremogone congesta var. congesta K. T. Stillman 1976-7-7 169 Siskiyou Marble Mountain Wilderness Area 1981 Comment
  CAS-BOT-BC174221  Eremogone congesta var. congesta Thomas W. Nelson; Jane P. Nelson 1980-7-17 6084 Siskiyou Along Forest Service road 17 1 mile north of summit at county line 2072 Comment
  CAS-BOT-BC286711  Ericameria bloomeri Geo. D. Butler 1910-8-7 1823 Siskiyou Humbug Mountains 1219 Comment
  HSC67828  Ericameria bloomeri J. O. Sawyer, J. Cole 1980-7-20 3760 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  JEPS74448  Ericameria bloomeri W. J. Ferlatte 1966-9-18 486 Siskiyou Big Flat Trinity Alps, Big Flat (near public camp) 1524 Comment
  LA203672  Ericameria bloomeri Wm. Bridge Cooke; 1939-8-8 13842 Siskiyou Mount Shasta, around Horse Camp 2438 Comment
  UC216908  Ericameria bloomeri H. M. Hall 1919-10-2 Siskiyou between Weed and Sisson Comment
  CAS-BOT-BC286712  Ericameria bloomeri W. R. Dudley 1901-8-24 s.n. Siskiyou Head of Rush Creek Grade, Salmon Mts. Comment
  UCR80264  Ericameria greenei L. C. Wheeler 1934-8-24 3220 Siskiyou Siskiyou Mtns, Trapper Creek. 1860 Comment
  CHSC57344  Ericameria nauseosa Michael D. Mayes 1983-4-16 7 Siskiyou Ca. 8 mi sw of Tulelake. Approx. 250 yds n of n entrance to Lava Beds National Monument. 1231 Comment
  CAS-BOT-BC298248  Ericameria nauseosa var. oreophila A. A. Heller 1917-9-7 12978 Siskiyou Shasta Valley 2 miles S of Grenada 914 Comment
  SEINET8079148 Image available Ericameria nauseosa var. oreophila G. D. Butler 1910-8-15 1739 Siskiyou Shasta Valley Comment
  CAS-BOT-BC299463  Ericameria nauseosa var. speciosa John Thomas Howell 1939-8-6 15105 Siskiyou Elk Mt., Marble Mts. Comment
  CAS-BOT-BC482440  Ericameria nauseosa var. speciosa Dana York 2010-9-11 3016 Siskiyou Six Rivers Naitonal Forest, boundary of Siskiyou Wilderness, NW slope of Broken Rib Mountain 1435 Comment
  UC637126  Ericameria nauseosa var. speciosa Edward Lee 1934-8-14 1099 Siskiyou near summit Little Grayback (Siskiyou-Del Norte County line) 1868 Comment
  HSC29242  Erigeron aliceae Frederick W. Oettinger, R. F. Thorne 1969-8-4 1185 Siskiyou Marble Mtn. Wilderness Area, N of Tobacco Lake 1890 Comment
  SEINET8079401 Image available Erigeron aliceae G. D. Butler 1910-7-8 1657 Siskiyou Shackleford Crrek 1372 Comment
  UCD131601  Erigeron aliceae R. Tofsrud; J. M. Tucker 1948-8-3 1782 Siskiyou Siskiyou-Del Norte (Oregon) County Line: Summit of Happy Camp, Waldo (Oregon) Road. 1554 Comment
  UCD131602  Erigeron aliceae J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3748 Siskiyou Upper Canyon Creek, ca. 0.5 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area. 1920 Comment
  HSC29238  Erigeron cervinus Frederick W. Oettinger 1969-7-28 1080 Siskiyou Salmon Mountains: the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness area; WNW of and above Upper English Lake 2012 Comment
  HSC61968  Erigeron foliosus var. confinis Al Hobart 5 Aug [year missing] Siskiyou Preston Peak Comment
  RSA165609  Erigeron foliosus var. confinis Clare B. Hardham 1961-6-30 8007 Siskiyou Near White Mt. 1829 Comment
  RSA238776  Erigeron foliosus var. confinis Frederick W. Oettinger 1967-7-26 201 Siskiyou Along ridge approx. 20 yards north of where trail crosses the gap between Toms and Hancock Lake basins. The High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area. 2146 Comment
  JEPS41443  Erigeron inornatus var. inornatus W. L. Jepson 1940-7-1 20076 Siskiyou 6 mi e McCloud; Fowlers Camp, McCloud River 975 Comment
  SEINET5708484 Image available Erigeron inornatus var. inornatus Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7702 Siskiyou Scott Mtns. Collected along Road 17, 11.8 mi SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1955 Comment
  HSC5519  Erigeron klamathensis Lauramay T. Dempster 1961-7-1 1832 Siskiyou Slope SE of White Mtn. Comment
  HSC92788  Erigeron petrophilus var. viscidulus Jennifer Whipple 1976-7-9 1359 Siskiyou Dobkins Lake drainage on E facing slopes above Dobkins Lake 2256 Comment
  POM52134  Erigeron petrophilus var. viscidulus C. F. Baker 1903-8-18 887 Siskiyou Mt. Eddy 2287 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
  UC725338  Erigeron petrophilus var. viscidulus A. A. Heller 1918-7-16 13032 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC300083  Erigeron philadelphicus W. B. Cooke; V. G. Cooke 1962-8-19 33551 Siskiyou McBride Springs, Mt. Shasta Comment
  CHSC91242  Erigeron 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
  RSA60477  Erigeron philadelphicus John H. Thomas 1949-6-16 945 Siskiyou 1/4 mi north of Beaver Creek Public Camp, along Beaver Creek; 5 mi north of junction of Beaver Creek and Klamath River; Klamath National Forest. Comment
  UCD77639  Erigeron tener Robert E. Preston 2001-7-21 1715 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2072 Comment
  CAS-BOT-BC224136  Eriodictyon californicum Doris K. Kildale; J. W. Gillespie 1929-6-25 8355 Siskiyou Klamath River, 6 miles north of Hornbrook 609 Comment
  CAS-BOT-BC224139  Eriodictyon californicum J. H. Thomas 1954-5-14 4188 E Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 6 to 9 miles southeast of Cecilville, Southwestern Siskiyou County 1219 Comment
  UC904786  Eriogonum baileyi var. baileyi W. Bridge Cooke 1949-8-26 25650 Siskiyou along logging road above Bolam Station; Mount Shasta 1524 Comment
  HSC17407  Eriogonum compositum var. compositum Dorothy Parker 1949-7-10 344 Siskiyou Siskiyou Mtns., 2 mi. from summit of Salmon Mtn. 1829 Comment
  RSA183675  Eriogonum compositum var. compositum Gilbert Muth 1965-8-10 201 Siskiyou Marble Mountains: upper 3rd to top of ridge, Marble Valley Comment
  JEPS84297  Eriogonum douglasii var. douglasii L. R. Heckard with J. Hickman et al. 1986-7-17 6544 Siskiyou ca 1 mi ne Buckhorn 2100 Comment
  CAS-BOT-BC516180  Eriogonum douglasii var. meridionale Dana York 2011-9-8 3083 Siskiyou Marble Mountain Wilderness: Klamath National Forest, along summit of Marble Mountain, ca. 2.1 km N of Black Marble Mountain 2120 Comment
  UCD19115  Eriogonum elatum var. villosum A. M. Shapiro 1986-7-16 s.n. Siskiyou Ball Mountain. 1981 Comment
  CAS-BOT-BC261218  Eriogonum hirtellum Doris K. Kildale 1929-7-20 8568 Siskiyou South Fork of Indian Creek near old dam 10 miles up from Happy Camp 457 Comment
  UCD77675  Eriogonum hirtiflorum Robert E. Preston 2000-6-23 1380 a Siskiyou East edge of Juniper Flat, north of Yellow Butte, along A12, 2.1 mi n of Hwy 97, T43N R4W nw 1/4 of nw 1/4 Section 24 1100 Comment
  HSC59935  Eriogonum lobbii D. L. Goforth 1979-7-19 259 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin 2104 Comment
  CAS-BOT-BC263664  Eriogonum luteolum var. luteolum Ella Dales Cantelow 1938-10-23 2380 Siskiyou 16 mi. N W of Yreka, Hy. #96 Klamath River Comment
  POM204111  Eriogonum marifolium J. T. Howell 1934-7-4 12395 Siskiyou SE corner of Siskiyou County Comment
  UC849521  Eriogonum marifolium John Thomas Howell 1937-7-25 13460 Siskiyou Caribou Basin Salmon-Trinity Alps, Caribou Basin 1981 Comment
  CAS-BOT-BC263185  Eriogonum marifolium var. cupulatum Alice Eastwood 1921-7-29 10982 Siskiyou Bear Spring on road to Medicine Lake Comment
  CAS-BOT-BC263175  Eriogonum marifolium var. cupulatum W. B. Cooke; V. G. Cooke 1963-7-11 34289 Siskiyou Old Wagon Camp road. Wagon Camp area, Mt. Shasta Comment
  CAS-BOT-BC267386  Eriogonum marifolium var. marifolium Geo. B. Grant 1902-9-7 s.n. Siskiyou Horse Camp, Mt. Shasta 2438 Comment
  CAS-BOT-BC267387  Eriogonum marifolium var. marifolium Wm. Bridge Cooke 1938-8-21 11543 Siskiyou Mount Shasta. Horse Camp Flats Comment
  CAS-BOT-BC267389  Eriogonum marifolium var. marifolium H. K. Wagnon 1957-8-11 1696 Siskiyou East slope of Mt. Shasta along Brewer Cr. 6 mi. West of Military Pass Rd. Comment
  CHSC4548  Eriogonum marifolium var. marifolium J. E. Bowlin 1967-7-18 52 Siskiyou Ca. 15 yds. above the parking lot and restaurant at Mount Shasta Ski Bowl. Ca. 15.5 mi from the city of Shasta (center of the city). Comment
  HSC17301  Eriogonum microthecum var. laxiflorum R. C. Wunner 1965-8-21 457 Siskiyou Lava Beds National Monument, 1.5 mi. from NW ranger station along rd. at base of Gillem's Bluff 1250 Comment
  RSA601667  Eriogonum niveum Louis C. Wheeler 1935-6-27 3610 Siskiyou Greenview, Scott Valley. 884 Comment
  CAS-BOT-BC261674  Eriogonum nudum var. nudum W. R. Dudley 1899-8-22 s.n. Siskiyou Above Callahan's Comment
  SEINET11262483  Eriogonum nudum var. nudum J. O. Sawyer 1969-8-1 1672 Siskiyou Etna quad. Above Duck Lake Creek.; 0 Comment
  UC1408819  Eriogonum nudum var. nudum Frederick W. Oettinger 1968-8-16 532 Siskiyou n Hancock Lake (summit of Red Hill); Salmon Mountains, Marble Mountain Wilderness Area 2087 Comment
  SD22389  Eriogonum nudum var. nudum Susan G. Stokes 1932-7-14 Siskiyou Near Dorris Comment
  SD23783  Eriogonum nudum var. nudum Wm. Bridge Cooke 1938-6-17 11037 Siskiyou Mt. Shasta 1372 Comment
  SDSU6774  Eriogonum nudum var. oblongifolium D. F. Howe 1961-8-3 3132 Siskiyou 20.3 miles east of Happy Camp on #96. 549 Comment
  HSC27243  Eriogonum nudum var. pubiflorum J. P. Smith, J. O. Sawyer 1971-9-18 4817 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  HSC42982  Eriogonum nudum var. pubiflorum J. P. Smith, J. O. Sawyer 1971-9-18 4820 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  JEPS85495  Eriogonum nudum var. pubiflorum L. R. Heckard and T. I. Chuang 1968-7-2 1969 Siskiyou 6 mi n along US Highway 97 Weed 1219 Comment
  JEPS56534  Eriogonum pyrolifolium Willis L. Jepson 1897-8-4 14777 Siskiyou spring near Horse Camp (near snow line); Mt. Shasta Comment
  CAS-BOT-BC252961  Eriogonum pyrolifolium var. pyrolifolium Peter Kamb 1949-8-25 1490 Siskiyou Southwest slope of Mt. Shasta above Horse Camp 2895 Comment
  CAS-BOT-BC252962  Eriogonum pyrolifolium var. pyrolifolium R. H. Bohmannson 1926-7-1 s.n. Siskiyou Mt. Shasta Comment
  SD23790  Eriogonum pyrolifolium var. pyrolifolium William Bridge Cooke 1938-8-18 11495 Siskiyou Mt. Shasta, lava slopes 2514 Comment
  RSA120632  Eriogonum spergulinum var. reddingianum G. D. Barbe 1955-7-17 207 Siskiyou 1 mile. S of Toomes Camp on the country road. West slope. 1890 Comment
  CHSC118625  Eriogonum sphaerocephalum var. halimioides Richard R. Halse 2016-5-29 9723 Siskiyou Along Hilt Road east of Hilt. 902 Comment
  JEPS93922  Eriogonum strictum var. proliferum Vernon H. Oswald and Lowell Ahart 1998-8-3 9407 Siskiyou 11.5 mi w of Gazelle ((USFS 41N03) 0.2 mi e of its junction with Gazelle-Callahan Road); USFS 41N03 1524 Comment
  HSC69044  Eriogonum ternatum Maralyn A. Renner 1980-8-7 2347 Siskiyou Klamath National Forest, ridge just E of saddle, S of Rattlesnake Meadow 1799 Comment
  JEPS93921  Eriogonum umbellatum var. argus Vernon H. Oswald and Lowell Ahart 1998-8-3 9406 Siskiyou 11.5 mi w of Gazelle ((USFS 41N03) 0.2 mi e of its junction with Gazelle-Callahan Road); USFS 41N03 1524 Comment
  UC1585426  Eriogonum umbellatum var. argus R. Raiche, K. Zadnick, and H. Forbes 1989-10-3 UCBG 50 Siskiyou n Seiad Valley (at Cook and Green Pass) 1425 Comment
  UC6562  Eriogonum umbellatum var. dumosum C. B. Bradley 1897-1 Siskiyou Comment
  RSA50190  Eriogonum umbellatum var. humistratum E. K. Balls 1949-7-8 13914 Siskiyou Trail from Scott Mountain Camp to Carmen Lake; Scott Mountain. 1753 Comment
  POM105092  Eriogonum umbellatum var. polyanthum Geo. D. Butler 1910-6-19 1580 Siskiyou Goosenest Foothills. 1524 Comment
  SEINET11938393  Eriogonum umbellatum var. polyanthum Unknown 1953-1 114 Siskiyou Scott Mountain Public Campound, Klamath National Forest 1631 Comment
  UC1413445  Eriogonum vimineum James L. Reveal, Caroline G. Reveal 1974-8-17 3796 Siskiyou 4.5 mi e Callahan (along California Highway 3, 2.5 mi se of the junction with the county road to Gazeele) 1371 Comment
  POM267114B  Eriogonum vimineum L. S. Rose 1941-8-28 41429 Siskiyou Macdoel 1220 Comment
  HSC98412  Eriophorum crinigerum L. P. Janeway 1982-8-14 138 Siskiyou Elk Wallow 1677 Comment
  CAS-BOT-BC301116  Eriophyllum lanatum var. achilleoides Alice Eastwood 1921-7-24 10758 Siskiyou Castle Lake Comment
  CAS-BOT-BC301117  Eriophyllum lanatum var. achilleoides Frank W. Peirson 1923-7-19 3915 Siskiyou 17 miles north of Bray Comment
  CAS-BOT-BC301126  Eriophyllum lanatum var. achilleoides David D. Keck 1953-7-31 6535 Siskiyou Deer Mountain Service Station, 3.5 mi. S. of Grass Lake Comment
  CAS-BOT-BC301127  Eriophyllum lanatum var. achilleoides Alice Eastwood; John Thomas Howell 1934-4-20 1763 Siskiyou Near Yreka along Shasta River Comment
  CAS-BOT-BC301129  Eriophyllum lanatum var. achilleoides Lewis S. Rose 1945-6-18 45123 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC301141  Eriophyllum lanatum var. achilleoides A. A. Heller 1916-7-22 12488 Siskiyou East side of Mt. Eddy Comment
  CAS-BOT-BC301142  Eriophyllum lanatum var. achilleoides Alice Eastwood 1923-5-23 11934 Siskiyou Cantara Comment
  UC163824  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-6-7 1532 Siskiyou McAdams Creek Comment
  UC507116  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-6-21 E 84 Siskiyou 1 mi s of Hornbrook Comment
  UC896367  Eriophyllum lanatum var. achilleoides A. A. Heller 1916-6-22 11438 Siskiyou n of Sisson (near Black Butte) 1097 Comment
  CAS-BOT-BC301108  Eriophyllum lanatum var. achilleoides A. A. Heller 1905-6-8 7992 Siskiyou West of Yreka Comment
  CAS-BOT-BC301119  Eriophyllum lanatum var. achilleoides L. Constance 1933-6-21 E 86 Siskiyou 1 mile south of Weed Comment
  CAS-BOT-BC301130  Eriophyllum lanatum var. achilleoides Lewis S. Rose 1945-6-23 45180 Siskiyou Junction of Shata [Shasta] River & Klamath River 624 Comment
  RSA92292  Eriophyllum lanatum var. achilleoides F. W. Peirson 1923-7-19 3915 Siskiyou Open Tableland 17 miles north of Bray Comment
  HSC36873  Eriophyllum lanatum var. grandiflorum J. P. Smith 1974-5-25 7516 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  CAS-BOT-BC308285  Eriophyllum lanatum var. integrifolium John Thomas Howell 1939-8-2 14890 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC1190273  Eriophyllum lanatum var. integrifolium Ira L. Wiggins 1955-7-29 13585 Siskiyou summit of ridge above Thompson Creek (trail to Caribou Lake) 1999 Comment
  CAS-BOT-BC301703  Eriophyllum lanatum var. lanceolatum Gilbert Muth 1965-7-29 s.n. Siskiyou Trail to Marble Mt. Lookout Comment
  HSC39825  Eriophyllum lanatum var. lanceolatum J. O. Sawyer 1969-7-24 1504 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  HSC68984  Eriophyllum lanatum var. lanceolatum Maralyn A. Renner 1980-7-24 2002 Siskiyou Lily Pad Lake 1768 Comment
  UC609351  Eriophyllum lanatum var. lanceolatum Eleanor Burks Hart 1938-8-18 948 Siskiyou Boulder Peak 2529 Comment
  POM358042  Eriophyllum lanatum var. lanceolatum B. C. Templeton 1960-6-21 s.n. Siskiyou Near the summit of Scott Mts., SE of Callahan Comment
  CAS-BOT-BC308305  Eriophyllum lanatum var. obovatum Ira L. Wiggins 1955-7-29 13585 Siskiyou Summit of ridge above Thompson Creek, trail to Caribou Lake 1999 Comment
  UC1565573  Eryngium mathiasiae Beth Corbin 1989-8-28 547 Siskiyou ca. 15 air mi. n. Fall River Mills (ca. 1/4 mi. n.-n.w. of Adobe Flat Reservoir) 1097 Comment
  CAS-BOT-BC54585  Erysimum capitatum R. E. Frenkel 1965-6-14 942 Siskiyou On Everitt Memorial Highway, 2.7 miles north of McCloud River RR crossing near Mount Shasta. 1508 Comment
  HSC64095  Erysimum capitatum var. capitatum J. P. Smith 1973-5-5 6484 Siskiyou Along Cook and Green Pass Rd. Comment
  SEINET7042822  Erysimum perenne A. G. Vestal 1955-5-16 s.n. Siskiyou Open pine country just west of Weed between railroad and highway 99 [I5]. Weed quadrangle UTM Zone 10, 549920mE, 4586493mN. Comment
  SD88545  Erythranthe guttata Darley F. Howe 1972-7-5 Siskiyou 0.6 miles south of Oregon state line on road to Happy Camp 1707 Comment
  HSC103344  Erythronium citrinum var. roderickii Thomas W. Nelson, Susan Erwin 2006-5-5 9299 Siskiyou Along road from Sunflower Flat to Bear Creek Trailhead, 0.7 mi. from junction with State Route 3 on Forest Service Rd. 39N62 956 Comment
  CDA39345  Erythronium grandiflorum subsp. grandiflorum T. C. Fuller 1958-6-18 1790 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  HSC68355  Eschscholzia californica J. P. Smith 1973-5-5 6541 Siskiyou Scott Bar along the Scott River Comment
  HSC67576  Eschscholzia californica J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5726 Siskiyou Rd. 8, 3.5 mi. from junction with French Creek Rd. 915 Comment
  JEPS124522 Image available Eschscholzia californica J. Yamanaka 1965-7-13 137 Siskiyou McCloud Highway 89 m. Center of town. Comment
  SD126059  Eucephalus breweri Steve Morgan 1987-7-28 Siskiyou Shasta-Trinity National Forest. McGinnis Springs, 5 miles north of McCloud, south of Mt. Shasta Comment
  CAS-BOT-BC310456  Eucephalus ledophyllus var. covillei W. R. Dudley 1901-8-18 s.n. Siskiyou Jackson's Lake, Salmon Mts. Comment
  CAS-BOT-BC310459  Eucephalus ledophyllus var. ledophyllus K. T. Stillman 1976-9-9 470 Siskiyou Marble Mountain Wilderness Area. N & NE & E side of Black Mtn. Comment
  HSC29205  Eucephalus ledophyllus var. ledophyllus Frederick W. Oettinger 1968-8-16 548 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; NW side of Hancock Lake 1936 Comment
  UCSB37071  Euphorbia virgata Clark, Dell 1970-6-23 Siskiyou 2 1/2 miles northwest of Dorris, on east side of Mathews Rd., 1 1/2 miles north of Picards Rd. Comment
  JEPS81790  Eurybia radulina Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6828 Siskiyou meadow just below and n of Scott Mountain road summit 1615 Comment
  CAS-BOT-BC278731  Festuca idahoensis A. A. Heller 1916-6-23 12440 Siskiyou Near Black Butte north of Sisson 1127 Comment
  CAS-BOT-BC278740  Festuca idahoensis Melissa A. Berry 1957-7-11 s.n. Siskiyou Parrott Mill Road, vicinity of Callahan 1005 Comment
  HSC25461  Festuca idahoensis J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5657 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  HSC68492  Festuca idahoensis Maralyn A. Renner 1980-6-9 858 Siskiyou Ridge SE of FS Rd. 45N35 1341 Comment
  POM258966  Festuca idahoensis C. L. Hitchcock, J. S. Martin 1939-7-9 5321 Siskiyou Half mile southeast of King's Castle, Marble Mountains. 1829 Comment
  RSA239118  Festuca idahoensis Frederick W. Oettinger 1969-9-4 1673 Siskiyou Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 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
  UCD66086  Festuca idahoensis B. A. Madson 1948-1 Siskiyou Mt. Hebron Pass. Comment
  SEINET10521968  Festuca idahoensis Stillman 1976-6-25 STILLMAN 99 Siskiyou Scott bar quad. T43n,r12w,sec.15. Montane and subalpine meadows. Marble Mountain wilderness area. Between marble gap and elk valley trail Comment
  CAS-BOT-BC278878  Festuca occidentalis Louis C. Wheeler 1934-6-1 2658 Siskiyou Klamath National Forest. N. Hungry Cr. 1219 Comment
  CAS-BOT-BC279073  Festuca rubra David D. Keck 1949-7-19 6357 Siskiyou 6.5 mi. SW of Yreka on road to Ft. Jones, nr. head of Yreka Creek 1127 Comment
  UC1265440  Festuca rubra F. W. Oettinger 1969-9-4 1673 Siskiyou Tom Taylor Cabin, w Siskiyou County Salmon Mountains 2011 Comment
  UC2046864  Festuca viridula R. E. Brainerd with N. Otting 2013-7-12 2182 Siskiyou Siskiyou County: Klamath Mountains. Marble Mountains Wilderness Area. Near the outlet at the west end of Upper Wright Lake. Comment
  SEINET11915235  Fragaria californica H. P. Chandler 1901-1 1569 Siskiyou nr Marble Mtn - North Coast Ranges 1829 Comment
  CDA25856  Fragaria vesca T. C. Fuller 1958-6-18 1816 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  UC466547  Fragaria vesca Milo S. Baker Jun 1896 114 Siskiyou Sisson Comment
  JEPS128459  Fragaria virginiana Julie Kierstead Nelson with Martin Lenz 2015-6-18 2015 -060 Siskiyou Headwaters of West Fork Parks Creek, 2 miles NNE of China Mountain; 7 miles W of town of Weed. Comment
  UC454407  Fritillaria atropurpurea I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat (Summit of Mount Bradley); Mount Bradley 1828 Comment
  CAS-BOT-BC502841  Fritillaria atropurpurea Elmer I. Applegate 1895-5-29 714 Siskiyou West base of Mount Shasta, near Sisson Comment
  CAS-BOT-BC502842  Fritillaria atropurpurea Geo. D. Butler 1910-5-1 1261 Siskiyou Humbug Mountain 1219 Comment
  RSA184804  Fritillaria atropurpurea Gilbert Muth 1966-7-8 356 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  HSC45199  Fritillaria glauca J. O. Sawyer, Ed Cope 1977-6-21 2981 Siskiyou Near Prescott Peak 1677 Comment
  CHSC9125  Fritillaria pudica J. L. Wilson 1970-3-23 221 Siskiyou 7.6 mi. North of Yreka, on old Interstate 5 road. 1.5 mi. South of intersection of Highway 96 and I. 5. 670 Comment
  JEPS20034  Fritillaria pudica George D. Butler 1909-3-7 554 Siskiyou Butcher Hill near Yreka; Butcher Hill Comment
  UC1733719  Fritillaria pudica Frank Gould, Kay H. Beach 1940-5-15 1244 Siskiyou Bull Meadows Comment
  UC375203  Fritillaria pudica Geo. D. Butler 1910-5-1 1264 Siskiyou Humbug Mountain Comment
  RSA607099  Fritillaria recurva Louis C. Wheeler 1935-4-17 3427 Siskiyou Soap Creek, Siskiyou Mountains 1037 Comment
  HSC43063  Galium bolanderi Ken Stillman 1976-8-31 452 Siskiyou E and N sides of Williams Point 366 Comment
  UC1094388  Galium bolanderi Rimo C. Bacigalupi with Galen Smith 1957-6-26 5962 Siskiyou w town of Mount Shasta (along road to Gumboot Lake, ca 4 mi sw of junction with the North Fork); South Fork of the Sacramento River 1432 Comment
  UC164076  Galium bolanderi Geo. D. Butler 1909-7-15 946 Siskiyou Highland Mine Comment
  JEPS25705  Galium bolanderi P. C. Hutchison 1961-5-22 2039 Siskiyou on Hwy 299 2.7 mi n Clear Creek (w side of river 5.7 mi s of Happy Camp); Klamath River Comment
  CAS-BOT-BC428043  Galium boreale Julie Kierstead Nelson; Martin Lenz; Rhonda Posey; Brenna Montagne 2013-7-12 2013 -011 Siskiyou Headwaters of West Parks Creek, Scott Mountain, eastern Klamath Range. Near Forest Rd. 41N73 1859 Comment
  CHSC57454  Galium boreale subsp. septentrionale L. P. Janeway 1984-6-21 861 Siskiyou Garvey Bar, south side Klamath River just east of Humbug Point. 594 Comment
  SBBG18787  Galium glabrescens subsp. glabrescens C. B. Hardham 1961-6-30 8012 Siskiyou White Mtn Comment
  JEPS83624  Galium serpenticum subsp. scotticum Marla Knight 1987-7-16 940 Siskiyou e FS Rd. 40N03 (on s side of creek, slope facing nw at creek crossing); Klamath National Forest, Scott River District, China Mtn. SW 1188 Comment
  HSC69567  Galium triflorum Maralyn A. Renner 1980-8-6 2270 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  HSC36168  Galium triflorum Brent Whiteley 1975-6-28 69 Siskiyou 915 Comment
  POM210648  Galium triflorum Louis C. Wheeler 1934-7-2 2836 Siskiyou Deer Creek. Sterling Mtn. Siskiyou Mtns. 1585 Comment
  RSA467221  Gaultheria humifusa L. C. Wheeler 1934-8-16 3164 Siskiyou Johnson Dairy, Siskiyou Mts. 1646 Comment
  RSA467222  Gaultheria humifusa L. C. Wheeler 1934-8-15 3159 Siskiyou South side White Mt., Siskiyou Mts. 1646 Comment
  UC1409444  Gaultheria ovatifolia Frederick W. Oettinger 1968-9-8 785 Siskiyou High Lake Basins in vicinity of English Peak (along shoreline of English Lake, Marble Mountain Wilderness Area, western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English L 1752 Comment
  HSC184  Gayophytum diffusum subsp. parviflorum William J. Ferlatte 1966-8-3 256 Siskiyou Mtn. Meadow Ranch 1524 Comment
  HSC92089  Gayophytum diffusum subsp. parviflorum Jennifer Whipple 1976-9-4 1788 Siskiyou Near Durney Lake 2073 Comment
  POM355402  Gayophytum diffusum subsp. parviflorum M. B. Dunkle 1945-7-25 9246 Siskiyou Klamath National Forest; Marble Mountains: Big Elk Lake Comment
  RSA211350  Gayophytum heterozygum William J. Ferlatte 1966-8-18 413 Siskiyou Wooded area 3 miles south of Big Flat, Trinity Alps. 1585 Comment
  POM256536  Gayophytum humile W. Bridge Cooke 1940-6-6 15059 Siskiyou Near the outlet of Castle Lake 1677 Comment
  HSC96302  Gentiana newberryi var. newberryi Gordon Leppig 1998-8-14 1012 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  SEINET8586142  Gentiana plurisetosa G. D. Butler 1910-7-9 1709 Siskiyou Shackleford Creek. 1220 Comment
  CHSC62556  Gentianella amarella subsp. acuta L. P. Janeway 1993-8-30 4568 Siskiyou West side of Cedar Lake; head of South Fork Sacramento River. 1741 Comment
  CAS-BOT-BC459619  Geum macrophyllum Wm. Bridge Cooke 1938-6-24 11081 Siskiyou MacBride Springs Comment
  UC466703  Geum triflorum Geo. D. Butler 1910-6-19 1578 Siskiyou Goosenest Foothills 1524 Comment
  HSC30425  Gilia capitata subsp. capitata Frederick W. Oettinger 1968-8-16 545 Siskiyou High Lake Basin in the vicinity of English Peak, Marble Mtn. Wilderness Area: Red Hill N of Hancock Lake 1997 Comment
  JEPS83894  Gilia capitata subsp. capitata Wayne Roderick July 1976 Siskiyou s side of Cook and Green Pass , s side Cook and Green Pass (Siskiyou Mountains) Comment
  RSA0083762  Gilia sinuata Dean William Taylor 1995-6-4 14967 Siskiyou 3 miles west of HIghway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. 10 miles North of Weed). 1158 Comment
  CAS-BOT-BC282724  Glyceria elata John Thomas Howell 1939-8-5 15071 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC22305  Glyceria elata J. O. Sawyer 1969-8-5 1958 Siskiyou Above the S Fork of Sugar Creek 1814 Comment
  HSC22313  Glyceria elata J. O. Sawyer 1969-7-18 1399 Siskiyou Above S Russian Creek 1905 Comment
  HSC69440  Glyceria elata John S. Palmer 1980-8-13 791 Siskiyou Dead Cow Creek, near FS 47N44 from Beaver Creek Rd. 1616 Comment
  UC618879  Glyceria elata unknown 1938-6-24 11083 Siskiyou MacBride Spring; Mount Shasta Comment
  HSC31071  Glyceria striata Frederick W. Oettinger, R. F. Thorne 1969-8-5 1202 Siskiyou Marble Mtn. Wilderness Area, Willow Springs on the trail from English Lake to Abbott's Upper Cabin 1677 Comment
  CAS-BOT-BC302673  Gnaphalium palustre John Thomas Howell 1939-8-10 15254 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CHSC9491  Hackelia californica J. F. Goodwin 1971-7-3 133 Siskiyou 0.1 mi. south of road at Multiple Use Area, 4.9 mi. south of Mt. Shasta Ski Bowl area. 1889 Comment
  HSC37566  Hackelia californica A. M. Montalvo, Ackerman 1975-7-19 588 Siskiyou 3 mi. E of McCloud off Hwy. 89 on F.S. Rd. 39N13 1067 Comment
  SBBG16536  Hackelia californica D. Myrick 1961-6-19 264 Siskiyou rd to Mt Shasta Ski Bowl 1828 Comment
  UC917266  Hackelia californica R. Tofsrud and J. M. Tucker 1948-8-4 1783 Siskiyou 1 1/2 mi nw of McCloud Comment
  CDA40629  Hackelia californica J. Grisham 1958-6-16 584 -58 Siskiyou Near town of Mt. Shasta. 0 Comment
  HSC25411  Hackelia micrantha J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5692 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  HSC58850  Hackelia micrantha Marvin Butler 1971-7-7 43 Siskiyou Near Mary's Meadow, close to the town of Cave Junction 1464 Comment
  UC1035169  Hackelia micrantha Dorothy Parker 1953-8-9 585 Siskiyou along edge of small lake in the Salmon Mountain Range; Siskiyou Mountains, Salmon Mountain Range Comment
  HSC81616  Hastingsia alba Thomas W. Nelson, Jane P. Nelson 1980-7-19 6208 Siskiyou Along USFS Rd. 40N17 1.0 mi. from junction with Callahan-Cecilville Rd. 1585 Comment
  JEPS62096  Hastingsia alba W. L. Jepson 1902-7-19 2082 Siskiyou Forks of Salmon to Cecilville; Salmon <River> Comment
  JEPS93917  Hastingsia alba Vernon H. Oswald and Lowell Ahart 1998-8-3 9423 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.9 mi se of Gazelle-Callahan Road (at its intersection with USFS41N10); Kangaroo Lake Road 1554 Comment
  SEINET12044227  Hastingsia alba L. S. Rose 1937-1 37398 Siskiyou Weed 945 Comment
  UCD132644  Hazardia whitneyi Joseph M. DiTomaso 1976-9-8 687 Siskiyou Trinity Alps. Sawtooth Ridge Trail above Stuarts Fork on pass. Siskiyou-Trinity county line. 2279 Comment
  CAS-BOT-BC302450  Hazardia whitneyi var. discoidea Gilbert Muth 1965-8-4 310 Siskiyou Marble Valley Comment
  HSC103903  Hazardia whitneyi var. discoidea Dana York, Richard Helliwell 2010-9-11 3010 Siskiyou Klamath National Forest. North slope of Broken Rib Mountain 1616 Comment
  UC637028  Hazardia whitneyi var. discoidea Edward Lee 1934-8-14 1097 Siskiyou near summit Little Grayback 1868 Comment
  UC922273  Hazardia whitneyi var. discoidea Annie M. Alexander and Louise Kellogg 1949-7-29 5899 Siskiyou above, trail to Hidden lake Sky High lake; Marble Mountains, Sky High Valley 1767 Comment
  SEINET10758262  Helenium bigelovii Andrew Townesmith, Karen M. Meyer 2007-7-28 Townesmith 865 Siskiyou Shasta-Trinity National Forest. At the intersection of Forest Service route 26 and Forest Service road 40N33, 6.0 miles west of forest boundary (via route 26). T39N R5W S16. 1441 Comment
  UC165255  Helenium bigelovii Geo. D. Butler 1910-7-7 1649 Siskiyou Shackleford Creek 1219 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
  RSA237438  Helenium bigelovii Frederick W. Oettinger 1967-8-21 309 Siskiyou Northwest of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1878 Comment
  HSC92206  Helianthella californica var. shastensis Jennifer Whipple 1976-7-14 1481 Siskiyou SE slope of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  CAS-BOT-BC305473  Helianthus annuus Carl B. Wolf 1927-8-26 1053 Siskiyou On the Klamath River, 3 mi. below Gottville Comment
  UC897635  Helianthus bolanderi A. A. Heller 1916-9-1 12640 Siskiyou near Yreka Comment
  CAS-BOT-BC313462  Hemizonella minima A. A. Heller 1905-6-13 8016 Siskiyou Near Mott Comment
  JEPS38310  Hemizonella minima W. L. Jepson 1907-7-5 2823 Siskiyou Marble Mt. Comment
  UC1096811  Hemizonella minima Milo S. Baker 1957-6-16 13109 Siskiyou Scott Mts. Comment
  HSC69403  Heracleum maximum Maralyn A. Renner 1980-8-8 2434 Siskiyou Rattlesnake Meadow 1646 Comment
  CHSC23183  Hesperolinon micranthum Robert F. Thorne; Fred Oettinger 1969-8-10 38947 Siskiyou Mt. Shasta National Forest: SW slope of Mt. Shasta along Ski Bowl Road. 1280 Comment
  CHSC71480  Heterocodon rariflorum Vernon H. Oswald; Lowell Ahart 1998-7-21 9357 Siskiyou Northeast of Weed, east of Grass Lake, and west of Bray on Old State Highway 0.8 mi east of Tennant Rd. 1417 Comment
  UC166203  Heterotheca oregona var. rudis Geo. D. Butler 1908-8-27 321 Siskiyou Oro Fino, old mining dump Oro Fino Comment
  POM204112  Heterotheca villosa var. minor J. T. Howell 1934-7-4 12405 Siskiyou SE corner of Siskiyou County Comment
  HSC266  Heuchera merriamii William J. Ferlatte 1967-8-21 1067 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake 2287 Comment
  UC637118  Heuchera merriamii Edward Lee 1934-8-14 1102 Siskiyou near summit of Little Grayback 1859 Comment
  RSA0063189  Heuchera merriamii J. M. Tucker 1963-8-19 3773 Siskiyou Headwaters of Canyon Creek. At the E base of Marble Mountain. Marble Mountain Wilderness Area. 1951 Comment
  HSC42969  Heuchera micrantha J. O. Sawyer, Ken Stillman 1976-5-29 2747 Siskiyou Along Specimen Creek 1433 Comment
  CAS-BOT-BC424178  Heuchera micrantha var. erubescens W. B. C. 1940-7-12 15319 Siskiyou Box Canyon of the Sacramento near Mount Shasta City 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
  UC1141003  Heuchera rubescens C. L. Hitchcock, J. S. Martin 1939-7-7 5285 Siskiyou Sanger Peak 1780 Comment
  UCR66568  Heuchera rubescens L. C. Wheeler 1934-8-2 3012 Siskiyou Siskiyou Mtns, Head of Jaynes Canyon 2043 Comment
  SEINET10530975  Heyderia decurrens A. Arthur Heller 1915-8-26 Heller 12254 Siskiyou Metcalf's ranch at the foot of Mt. Eddy. The principle tree is now Pseudotsuga with white fir. The original stand was Jeffrey pine. Common undershrubs are manzanita, Ceanothus and Pasania.3900 feet. 1190 Comment
  HSC58886  Hieracium albiflorum Marvin Butler 1971-8-2 253 Siskiyou Near El Capitan 2013 Comment
  HSC28228  Hieracium albiflorum Carl W. Mize 1972-6-8 7 Siskiyou 320 Comment
  RSA245213  Hieracium albiflorum Carl W. Mize 1972-6-8 7 Siskiyou Forks of Salmon quad. 320 Comment
  CAS-BOT-BC318508  Hieracium bolanderi J. P. Smith; J. O. Sawyer 1975-10-23 8488 Siskiyou Unspecified 1767 Comment
  CAS-BOT-BC318541  Hieracium greenei Doris K. Kildale 1929-8-24 9077 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  JEPS95042  Hieracium greenei Vernon Oswald and Lowell Ahart 1997-7-28 8801 Siskiyou Forest Route 15 near Grasshopper Flat 3.9 mi s of Medicine Lake Road Grasshopper Flat; Forest Route 15 1700 Comment
  CAS-BOT-BC318542  Hieracium greenei A. A. Heller 1925-7-29 13909 Siskiyou Along the Pacific highway near Black Butte, north of teh town of Mt. Shasta Comment
  HSC61786  Hieracium greenei Ruby Van Deventer Siskiyou Poker Flat 1585 Comment
  UC897817  Hieracium nudicaule Alice Eastwood 1921-7-29 10976 Siskiyou on road to Medicine Lake; Bear Spring Comment
  OBI49175  Hieracium scouleri Lewis S. Rose 1937-1-25 37590 Siskiyou S slope of Mt Shasta 1768 Comment
  OBI55488  Hieracium scouleri David J. Keil 1992-7-20 23511 Siskiyou Klamath NF, SW of Fort Jones. Along Forest Rd 46N64, 8.2 mi W of Scott River Rd 800 Comment
  RSA238752  Hieracium scouleri Frederick W. Oettinger 1969-8-6 1257 Siskiyou Tom's Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC91  Holodiscus discolor William J. Ferlatte 1967-8-20 1044 Siskiyou Caribou Basin, Sawtooth Ridge, steep, N-facing slope 2043 Comment
  RSA237606  Holodiscus discolor Frederick W. Oettinger 1969-8-16 1412 Siskiyou Old wiregrass meadow on English Lake Trail. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC18679  Holodiscus microphyllus var. glabrescens R. C. Wunner 1965-6-22 272 Siskiyou Lava Beds National Monument, Devils Homestead Lava Flow where road crosses 1296 Comment
  HSC92531  Hordeum brachyantherum Jennifer Whipple 1978-10-6 2428 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  JEPS73758  Hordeum brachyantherum Geo. D. Butler 1909-6-4 813 Siskiyou near Yreka Comment
  RSA14321  Hordeum brachyantherum Elmer I. Applegate 1923-8-17 3834 Siskiyou Medicine Lake. Comment
  UC196953  Hordeum brachyantherum subsp. brachyantherum Geo. D. Butler 1909-6-4 813 Siskiyou near Yreka Comment
  UCD85768  Hordeum jubatum R. Tofsrud 1947-6-25 40 Siskiyou Near Gazelle. Comment
  NY436002  Horkelia brownii H. E. Brown 1897-7-15 530 Siskiyou South side Mt. Shasta. 1524.0 Comment
  CAS-BOT-BC143954  Horkelia daucifolia Geo. D. Butler 1909-4-27 603 Siskiyou Quartz Valley divide Comment
  JEPS82345  Horkelia fusca subsp. parviflora L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2302 Siskiyou .8 mi s Bray (junction of U. S. 97); Murphy Wells 1493 Comment
  SBBG25898  Horkelia fusca var. parviflora D. Myrick 1966-8-9 1512 Siskiyou Mountain Meadow Ranch, Big Flat 1524 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
  UC453992  Horkelia tridentata subsp. tridentata I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat; Summit of Mt. Bradley 1981 Comment
  CAS-BOT-BC539741  Horkelia tridentata var. flavescens Roxana S. Ferris; Laura Lorraine 1948-6-12 11792 Siskiyou Scott Mountain Road south of Callahan Comment
  CAS-BOT-BC539742  Horkelia tridentata var. flavescens David D. Keck 1938-8-8 4872 Siskiyou Siskiyou Co. at Trinity Co. line: Scott Mountain Divide, between Scott Mtn. and Craggy Peak 1676 Comment
  SEINET480179  Hulsea nana D. Wilken 1972-8-6 Siskiyou Summit of Cinder Cone (Cinder Butte), about 3 miles west of Mammoth Crater Comment
  JEPS101288  Hydrophyllum occidentale Dean W. Taylor 1972-7-3 1575 Siskiyou Salmon Mountains, near Little Duck Lake 1828 Comment
  UC585172  Hydrophyllum occidentale E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2003 Siskiyou 1.5 mi w Mt. Shasta City (above Sulloway Creek, spur of Rainbow Ridge, e and ne slope); Rainbow Ridge 1188 Comment
  RSA0110956  Hydrophyllum occidentale Gilbert Muth 1966-7-8 361 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  POM211776  Hymenoxys lemmonii L. C. Wheeler 1934-10-21 3334 Siskiyou Shasta Valley 4 miles east of Grenada. 868 Comment
  CAS-BOT-BC312853  Hymenoxys lemmonii Elmer I. Applegate 1929-6-18 5736 Siskiyou Shasta Valley north of Edgewood Comment
  CDA8006  Hymenoxys lemmonii D. Jenott 1972-6-22 Siskiyou Parks Creek, Edgewood. 0 Comment
  CAS-BOT-BC400983  Hypericum anagalloides Geo. D. Butler 1910-7-12 1765 Siskiyou Shackleford Creek 1219 Comment
  JEPS74423  Hypericum formosum var. scouleri W. J. Ferlatte 1966-8-2 2224 Siskiyou between campground and S. Fork Salmon R. Big Flat; Trinity Alps, Big Flat 1524 Comment
  CHSC1031  Iliamna bakeri V. Holt 1932-7-17 Siskiyou Mt. Shasta Flats. 1158 Comment
  JEPS74449  Ipomopsis aggregata W. J. Ferlatte 1966-6-22 86 Siskiyou between the campground and Carter's Trinity Alps, South Fork of Salmon River 1524 Comment
  UCD77784  Ipomopsis aggregata Robert E. Preston 2002-7-12 1910 Siskiyou Klamath National Forest, S slope of Rainbow Mountain 1798 Comment
  JEPS87631  Ipomopsis aggregata subsp. formosissima Vernon H. Oswald and Lowell Ahart 1994-8-10 6463 Siskiyou ca 5 mi (air) nw McCloud (FS Rd 31, 0.6 mi e of Ski Park Hwy (FS Rd 88)) 1584 Comment
  JEPS87632  Ipomopsis aggregata subsp. formosissima Vernon H. Oswald and Lowell Ahart 1994-8-10 6463 Siskiyou ca. 5 mi. (air) n.w. McCloud (FS 31 0.6 mi. e. of Ski Park Hwy. (FS 88)) 1584 Comment
  RSA747343  Ipomopsis aggregata subsp. formosissima K. M. Meyer, A. Townesmith 2007-7-29 172 Siskiyou Shasta-Trinity National Forest. 0.3 mi. on 40N25 Rd., off Siskiyou County Rd., A10/Everitt Memorial Hwy. 1805 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
  RSA469553  Ipomopsis aggregata subsp. formosissima L. C. Wheeler 1934-7-3 2857 Siskiyou Soda Creek, Sterling Mt. Siskiyou Mountains. (Mt. Diablo Mer.) 1676 Comment
  SEINET12056881  Iris macrosiphon H. P. Chandler 1901-1 1570 Siskiyou near Marble Mountain 1829 Comment
  POM109031  Iris missouriensis Geo D. Butler 1910-6-3 1467 Siskiyou Quartz Valley. Comment
  UC455195  Iris tenuissima I. J. Condit 1911-7-5 Siskiyou Mt. Bradley; from Shasta Retreat almost to summit 1828 Comment
  RSA136346  Iris tenuissima Lee W. Lenz 1953-5-17 18313 Siskiyou Salmon River, 1 1/4 mi. above junction with Klamath River 177 Comment
  SEINET10469760  Iris tenuissima Katherine L. Morris 1973-5-25 Morris 274 Siskiyou Collected 32.9 mi. Nw of the jct. Of hwy. 89 & 299 On hwy. 89, In a pure stand Of ponderosa pine. 14.3 Mi. E of mccloud Comment
  CAS-BOT-BC88651  Isatis tinctoria Gilbert Muth 1960-7-5 349 Siskiyou Lover Camp. 1249 Comment
  CDA36766  Isatis tinctoria D. B. Joley 1976-5-13 6 Siskiyou Klamath River, north of Yreka. 0 Comment
  CDA37899  Isatis tinctoria J. L. Johnson 1980-7-1 s.n. Siskiyou Scott Valley. 0 Comment
  HSC64148  Isatis tinctoria J. P. Smith 1973-5-5 6404 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  SEINET3148773  Isatis tinctoria G. D. Butler 1910-6-7 1534 Siskiyou Scott River Comment
  JEPS100303  Isoetes bolanderi Dean W. Taylor 2001-8-28 17911 Siskiyou Mt. Shasta, Ash Creel Butte, Suprise Lake 2057 Comment
  RSA237966  Isoetes bolanderi Frederick W. Oettinger 1969-8-18 1418 Siskiyou W side of Horse Range Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1822 Comment
  HSC28735  Isoetes echinospora Frederick W. Oettinger 1968-8-5 708 Siskiyou Marble Mtn. Wilderness Area, above Diamond Lake 2073 Comment
  SEINET10573312  Isopyrum stipitatum Edward L. Greene 1876-1 Greene 689 Siskiyou Collected near Yreka Comment
  CAS-BOT-BC324840  Iva axillaris E. B. Copeland 1903-7-2 3539 Siskiyou Klamathon Comment
  UC165397  Iva axillaris subsp. robustior Geo. D. Butler 1910-9-12 1874 Siskiyou near lower Klamath Lake 1219 Comment
  UC375240  Juglans californica var. hindsii Geo. D. Butler 1910-6-8 1545 Siskiyou Yreka Comment
  RSA15458  Juncus bolanderi Carl B. Wolf 1927-8-26 1096 Siskiyou Klamath River, 14 miles above Happy Camp. Comment
  UC842400  Juncus confusus John Thomas Howell 1939-8-3 15005 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  HSC76933  Juncus drummondii K. T. Stillman 1976-8-8 397 Siskiyou Marble Mtn. Wilderness Area, trail from Jump off to Paradise Lake Comment
  HSC78324  Juncus ensifolius L. P. Janeway 1983-8-16 544 Siskiyou Poker Flat 1524 Comment
  RSA238920  Juncus ensifolius Frederick W. Oettinger 1968-9-6 743 Siskiyou At Bear Meadow mid-way along a straight line between English Peak and Tom Taylor cabin, at the head of Snowslide Gulch. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  UC1265335  Juncus mertensianus Frederick W. Oettinger 1968-9-20 817 Siskiyou just s of Horse Range Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1844 Comment
  JEPS84034  Juncus mertensianus L. R. Heckard with J. Hickman et al. 1986-7-17 6458 Siskiyou ca 5 mi n Seiad Valley (ridge e of Kangaroo Peak, s of Lily Pad Lake) 1940 Comment
  HSC30701  Juncus orthophyllus Frederick W. Oettinger 1968-9-6 741 Siskiyou Bear Meadow, midway between English Peak and Tom Taylor Cabin at head of Snowslide Gulch 1997 Comment
  HSC69159  Juncus orthophyllus Maralyn A. Renner 1980-8-4 2209 Siskiyou Flint Valley 1390 Comment
  RSA238914  Juncus orthophyllus Frederick W. Oettinger 1968-9-7 760 Siskiyou On the N bank of Tobacco Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC77131  Juncus parryi L. P. Janeway 1983-8-13 532 Siskiyou Above the South Fork of Indian Creek, (S side) NE of Preston Peak. 1463 Comment
  UC144671  Juncus parryi Wm. M. Canby 1897-9-7 297 Siskiyou Mt. Shasta Comment
  CAS-BOT-BC80909  Juniperus Mary Boyd Lichens 1948-5-1 s.n. Siskiyou near Walker, along Klamath River 579 Comment
  HSC101736  Juniperus communis Michael Kauffmann, Jeffrey Kane 2013-7-24 16 Siskiyou Ridgeline within the Antelope Creek RNA 2186 Comment
  HSC69525  Juniperus communis var. jackii Maralyn A. Renner 1980-6-26 1283 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  RSA120815  Juniperus occidentalis var. occidentalis G. D. Barbe 1955-6-28 19 Siskiyou 0.6 mile north of Callahan, 50 yds from the road. 1037 Comment
  POM120195  Juniperus occidentalis var. occidentalis Geo D. Butler 1909-12-10 1108 Siskiyou Klamath hills Comment
  SEINET11056662  Juniperus occidentalis var. occidentalis D. Charlet, T. Charlet 1996-11-25 2343 Siskiyou Scott Mountains, on road to Callahan, 9 road miles SW of summit. 1116 Comment
  HSC36209  Kalmia polifolia John Rehling 1975-8-11 105 Siskiyou S end of Little Duck Lake Comment
  JEPS25576  Kalmia polifolia subsp. microphylla Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7202 Siskiyou Mount Shasta, Panther Meadow Panther Meadow; Mount Shasta, Panther Meadow 2286 Comment
  RSA46968  Keckiella corymbosa Carl B. Wolf 1927-8-27 1125 Siskiyou On the Klamath River, 4 miles below Happy Camp. Comment
  JEPS10868  Keckiella lemmonii W. L. Jepson 1894-8-9 21423 Siskiyou Shasta Springs; Sacramento River Canyon Comment
  CHSC1617  Kelloggia galioides V. Holt 1932-7-25 Siskiyou On Mt. Shasta. 1463 Comment
  HSC8130  Kelloggia galioides Richard Spjut 1970-7-17 464 Siskiyou 16 mi. W of Mt. Shasta Lake, in campground at lake 1829 Comment
  HSC82202  Kelloggia galioides Thomas W. Nelson, Jane P. Nelson 1980-7-5 5967 Siskiyou Fowler's Campground 1006 Comment
  JEPS12483  Kelloggia galioides Geo. D. Butler May 1908 415 Siskiyou Cold Spring Camp; Wooley Creek 1676 Comment
  JEPS82429  Kelloggia galioides Gilbert Muth 1966-7-31 471 Siskiyou n side Black Mt.; Marble Mountain Wilderness Area 1981 Comment
  JEPS86079  Kelloggia galioides Wayne Roderick 1966-6-26 Siskiyou Cook and Green Pass summit; Cook and Green Pass 1371 Comment
  RSA105490  Kelloggia galioides G. D. Barbe 1955-7-26 273 Siskiyou N slope of Scott Mtn. 1829 Comment
  UC917333  Kelloggia galioides R. Tofsrud and J. M. Tucker 1948-8-4 1785 Siskiyou ca 1.5 mi nw McCloud Comment
  UCD121978  Kelloggia galioides K. M. Meyer; A. Townesmith 2007-7-29 171 Siskiyou Shasta-Trinity National Forest. 0.3 mi. on 40N25 Rd., off Siskiyou County Rd. A10/Everitt Memorial Hwy. 1805 Comment
  UCD121979  Kelloggia galioides Alfred H. Murphy 1961-7-19 61 -I Siskiyou Marble Mountains, Klamath National Forest. North end Sky High Valley. 1584 Comment
  SD112652  Kochia scoparia subsp. scoparia D. F. Howe 1964-8-4 4023 Siskiyou By water canal, 1.6 miles north of Lava Bed National Monument 1219 Comment
  HSC81991  Koeleria macrantha Thomas W. Nelson, Jane P. Nelson 1979-6-16 4864 Siskiyou Above Mule Creek, along Hwy. 3, 4.4 mi. N of Scott Mtn. Summit 1220 Comment
  CHSC118609  Koeleria macrantha Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016011 Siskiyou Lower Parks Creek watershed, E Klamath Range; UTM NAD 83 Zone 10, 539617m E, 4586637m N. 1360 Comment
  CAS-BOT-BC341693  Lagophylla ramosissima Alice Eastwood 1922-10-23 11556 Siskiyou Yreka Comment
  HSC68067  Lagophylla ramosissima J. P. Smith 1976-5-22 8788 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  JEPS24813  Lagophylla ramosissima Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6824 Siskiyou 7 mi e of Callahan 1127 Comment
  RSA17698  Lappula occidentalis var. occidentalis Elmer I. Applegate 1935-6-5 9307 Siskiyou Capt. Jack s Stronghold, Lava Beds National Monument Comment
  CAS-BOT-BC204929  Lathyrus Mrs. H. C. Cantelow 1936-5-20 s.n. Siskiyou North slope of Scott Mt. Comment
  CAS-BOT-BC204930  Lathyrus Roxana S. Ferris; Laura Lorraine 1948-6-12 11809 Siskiyou At Mule Creek crossing of Scott Mountain Road 1524 Comment
  UC398681  Lathyrus brownii A. A. Heller 1927-5-14 14378 Siskiyou near w base Mount Shasta (about the base of Black Butte); , Black Butte Comment
  HSC61918  Lathyrus nevadensis var. nevadensis Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  RSA48214  Lathyrus pauciflorus subsp. brownii Roxana S. Ferris, Laura Lorraine, R. T. Ferris 1948-6-12 11809 Siskiyou At Mule Creek crossing of Scott Mountain Road. 1524 Comment
  SEINET10449271  Ledum glandulosum var. californicum Mary Susan Taylor 1980-7-8 Taylor 3101 Siskiyou T39N R5W ne sec 24, Dunsmuir quad; Shasta-Trinity Natl Forest; on NW side of Castle Lake, along edge of lake. 1615 Comment
  RSA105420  Lemna G. D. Barbe 1955-6-29 50 Siskiyou 4.1 miles southeast of Etna on the Eastside road 915 Comment
  HSC101759  Leptochloa fusca subsp. fascicularis J. P. Smith, J. O. Sawyer 2011-9-4 13414 Siskiyou Along Ball Mountain-Little Shasta-Mt. Hebron Road. 877 Comment
  RSA529966  Leptosiphon harknessii D. W. Taylor 1987-6-23 9050 Siskiyou Modoc Plateau: Mud Well 1394 Comment
  HSC45901  Leptosiphon nuttallii Laura Witherspoon 1978-8-18 103 Siskiyou Klamath National Forest, Rd. to Baal Mtn. Lookout 2134 Comment
  POM96126  Lesquerella occidentalis Geo. D. Butler 1910-5-15 1342 Siskiyou Greenhorn Mtn Comment
  CAS-BOT-BC341900  Lessingia nemaclada Geo. D. Butler 1908-8-2 341 Siskiyou Greenview Comment
  JEPS88040  Lessingia nemaclada S. Markos 1996-7-28 134 Siskiyou On Caribou Rd. at the petersberg Fire Station Cecilville; Klamath National Forest Comment
  CDA39356  Leucocrinum montanum D. H. Shaw 1979-5-9 s.n. Siskiyou Vicinity of Butte Creek, ca. 3.5 km west of Bray. 0 Comment
  HSC36210  Leucothoe davisiae John Rehling 1975-8-11 106 Siskiyou S end of Little Duck Lake Comment
  RSA238392  Leucothoe davisiae Frederick W. Oettinger 1968-8-1 347 Siskiyou N. end of Little Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  HSC69192  Lewisia cotyledon Maralyn A. Renner 1980-9-1 2696 Siskiyou Bear Mtn. 1936 Comment
  UCD101584  Lewisia cotyledon John M. Tucker 1963-7-7 3713 Siskiyou in vicinity of Paradise Lake, at base on east side of Kings Castle, Marble Mountain Wilderness Area. 1981 Comment
  RSA215609  Lewisia cotyledon Gilbert Muth 1969-8-6 1177 Siskiyou Second Valley Comment
  SBBG124420  Lewisia cotyledon C. B. Hardham 1961-7-1 8025 Siskiyou near Mud Springs, Siskiyou Mtns 1981 Comment
  JEPS96888  Lewisia cotyledon var. cotyledon Dean W. Taylor 1999-6-10 17253 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-BC444048  Lewisia cotyledon var. cotyledon Gilbert Muth 1969-8-6 1177 Siskiyou Second Valley Comment
  UC1299365  Lewisia leeana Freed W. Hoffman 1951-7-15 4027 Siskiyou above Packers Valley; Marble Mountains 2133 Comment
  UC1736073  Lewisia leeana Dean W. Taylor 1988-7-9 9948 Siskiyou Castle Lake region, in cirque and ridgetop above Heart Lake 1950 Comment
  UC82848  Lewisia leeana J. G. Lemmon and wife 1878-1 1434 Siskiyou near Shasta (Castle Lake); Castle Lake Comment
  CAS-BOT-BC444581  Lewisia triphylla Wm. Bridge Cooke 1938-9-8 11657 Siskiyou Mount Shasta. Squaw Creek Meadows. Comment
  CAS-BOT-BC444582  Lewisia triphylla Wm. Bridge Cooke 1938-9-8 11657 Siskiyou Mount Shasta. Squaw Creek Meadows. Comment
  UC144162  Leymus cinereus A. A. Heller 1905-6-19 8069 Siskiyou Grenada Station Comment
  SEINET10531246  Libocedrus decurrens H. E. Brown 1897-7-1 Brown 507 Siskiyou North side Mt. Shasta. 5000-9000 feet. 1500 Comment
  HSC58925  Ligusticum californicum Butler 1971-8-27 203 Siskiyou Near Bell Echo Camp, close to the town of Cave Junction 1433 Comment
  RSA233697  Ligusticum grayi R. F. Thorne, Fred Oettinger 1969-8-10 38967 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  UC165764  Ligusticum grayi Geo. D. Butler 1908-8-11 459 Siskiyou Shackleford Creek near Quartz Valley; Shackleford Creek Comment
  POM82380  Ligusticum grayi Geo. D. Butler 1908-8-7 461 Siskiyou Whiskey Camp, Independence Creek Comment
  CAS-BOT-BC130519  Lilium Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts. Comment
  JEPS66424  Lilium kelleyanum L. R. Heckard and P. Rubtzoff 1971-8-1 2686 Siskiyou 4 mi below summit of Mt. Eddy ridge (road from Stewarts Springs to The Eddys) 1584 Comment
  RSA130325  Lilium kelleyanum Albert M. Vollmer 1949-7-5 11 Siskiyou 7 miles from Callahan on Callahan--Carrville road Comment
  SEINET8264767  Lilium pardalinum Lincoln Constance 1928-6-9 Siskiyou Weed. Comment
  POM109713  Lilium pardalinum subsp. vollmeri Geo D. Butler 1910-6-6 1454 Siskiyou Quartz Valley Comment
  UC1190145  Lilium washingtonianum subsp. purpurascens Ira L. Wiggins 1955-7-24 13489 Siskiyou ridge between upper reaches of Chin Creek and Blind Horse Creek 1493 Comment
  CAS-BOT-BC26045  Lilium wigginsii L. Beane; Albert M. Vollmer 1954-7-16 1266 Siskiyou Siskiyou Mountains near Oregon border west of Highway 99 Comment
  SEINET882374 Image available Lilium wigginsii A. M. Vollmer, L. Beane 1954-1 1266 Siskiyou Siskiyou Mountains near Oregon border W of Hwy 99. Comment
  CHSC109946  Limnanthes alba Peter F. Zika 2012-5-14 25855 Siskiyou Cascade Range Highlands. I-5 southbound, one road mile n of (and above) exit 724 for Castella. 665 Comment
  JEPS58259  Linanthus bolanderi Geo. D. Butler 1909-4-27 611 Siskiyou Oro Fino Comment
  UC56698  Linanthus ciliatus Harley P. Chandler Jun 1901 1671 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  CDA40099  Linanthus harknessii T. C. Fuller 1960-6-3 4614 Siskiyou East bank of Toad Lake, ca. 7 miles north of Bartle. 0 Comment
  UC1409391  Linanthus nuttallii Frederick W. Oettinger 1969-9-5 1687 Siskiyou near Abbotts Lake (next basin e of Salamander Pond, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1905 Comment
  UC1409392  Linanthus nuttallii Frederick W. Oettinger 1969-8-23 1516 Siskiyou vicinity English Peak (Hamilton Camp, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1402 Comment
  POM204108  Linanthus pungens subsp. pulchriflorus J. T. Howell 1934-7-4 12400 Siskiyou SE corner of Siskiyou County Comment
  CAS-BOT-BC240383  Linnaea borealis subsp. longiflora Alice Eastwood 1912-7-15 1106 Siskiyou Mc Cloud [McCloud] Comment
  HSC3909  Linnaea borealis subsp. longiflora Dorothy Parker 1949-8-12 363 Siskiyou Along banks of Duck Lake Creek, Salmon Mtns. 1524 Comment
  CAS-BOT-BC416405  Linnaea borealis subsp. longiflora H. A. Thomas; J. H. Thomas 1954-7-23 4462 Siskiyou Salmon-Trinity Mts., about 6 miles SE of Cecilville. Vicinity of Blind Horse Creek. 1036 Comment
  UC618617  Linum lewisii W. Bridge Cooke 1938-7-1 11138 Siskiyou in (chaparral) around Wagon Camp (especially just below it, Mount Shasta); Mount Shasta 1737 Comment
  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
  HSC22236  Listera convallarioides J. O. Sawyer 1969-8-4 1886 Siskiyou Above S Sugar Lake 2043 Comment
  JEPS64492  Listera convallarioides W. L. Jepson Jul 1894 21281 Siskiyou Sisson Comment
  HSC30487  Listera convallarioides Frederick W. Oettinger 1969-8-12 1334 Siskiyou Salmon Mountains, at the Cedars, along Main N Fork Trail between Yellow Dog Creek and Abbott's Lower Cabin 960 Comment
  SACT002879  Lithocarpus densiflorus Geo Dobbins 1961-6-19 Siskiyou 5 miles west of Oregon Caves National Comment
  HSC64132  Lithophragma affine J. P. Smith 1973-5-5 6473 Siskiyou Along Cook and Green Pass Rd. Comment
  CDA25416  Lithophragma glabrum T. C. Fuller 1958-4-16 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  JEPS47536  Lithophragma parviflorum Elna Long 1934-4-26 Siskiyou head of Sacramento River Shasta City (at Summer School of Chico State College); , Shasta City Comment
  SEINET3143861  Lomatium californicum G. D. Butler 1910-5-18 1359 Siskiyou near Yreka Comment
  SEINET3143867  Lomatium dissectum G. D. Butler 1910-5-7 1303 Siskiyou In thickets on dry hill near Luka Comment
  RSA237414  Lomatium dissectum var. multifidum Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1186 Siskiyou W-facing slope on E side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  RSA22254  Lomatium engelmannii J. T. Howell 1937-7-29 13656 Siskiyou Scott Mountain between Trinity and Siskiyou counties Comment
  CHSC42618  Lomatium macrocarpum Vernon Oswald 1986-5-29 2071 Siskiyou Hwy 97 between Dorris and Macdoel, 46.2 mi ne of Weed. 121 Comment
  POM132828  Lomatium macrocarpum Geo. D. Butler 1910-5-18 1359 Siskiyou Yreka Comment
  POM82356  Lomatium nudicaule Geo. D. Butler 1910-5-19 1363 Siskiyou Siskiyou County, Dry land, Yreka Comment
  RSA78834  Lomatium nudicaule P. A. Munz 1952-7-2 17912 Siskiyou West of Baldy Mountain L.O. 6 air miles west of Happy Camp, Siskiyou Mountains 1768 Comment
  UCD127272  Lomatium triternatum var. macrocarpum Robert E. Preston 1995-6-18 883 Siskiyou Irongate Reservoir, 0.6 miles NNW of dam at roadside. 731 Comment
  SEINET11131417  Lomatium triternatum var. triternatum G. D. Butler 1910-5-21 1380 Siskiyou Klamath Hills Comment
  JEPS17562  Lomatium utriculatum M. K. Curran July, 1887 Siskiyou Edgewood Comment
  RSA126301  Lonicera conjugialis I. L. Wiggins 1955-7-27 13568 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area. 2043 Comment
  RSA68930  Lonicera conjugialis A. E. Culbertson 1943-7-12 28 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
  UC1045270  Lonicera interrupta W. Bridge Cooke 1940-6-20 15161 Siskiyou along the Pacific Highway Klamath River Gorge Comment
  JEPS64879  Lotus crassifolius var. crassifolius W. L. Jepson Jul 1 1894-Aug 1 1894 13783 Siskiyou Sisson Comment
  JEPS107666  Lotus denticulatus Lowell Ahart, John Dittes 2005-6-9 12008 Siskiyou Open pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  JEPS100701  Lotus nevadensis var. nevadensis Dean Wm. Taylor with Glenn Clifton 1990-6-12 10874 Siskiyou Adobe Flat Reservoir, ca. 5 miles N of Timbered Crater, 1075 Comment
  UC1037355  Lotus nevadensis var. nevadensis Douglas Barbe 1955-6-28 11 Siskiyou 0.2 mi n Callahan; Klamath Mountains 975 Comment
  UC585219  Lotus nevadensis var. nevadensis E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1892 Siskiyou about 2 mi s Yreka 822 Comment
  UC637133  Lotus oblongifolius var. oblongifolius Annetta Carter 1934-8-13 703 Siskiyou Happy Camp to Waldo (Oregon road, watershed of West Branch of Indian Creek); Klamath National Forest, West Branch of Indian Creek 1371 Comment
  UC163678  Lotus purshianus var. purshianus Geo. D. Butler 1908-8-4 391 Siskiyou Head of Shackleford Creek Comment
  CAS-BOT-BC140211  Luetkea pectinata Ken Berg; Stephanie Bennett 1986-8-25 639 Siskiyou Salmon-Trinity Alps Wilderness, Headwaters of Little South Fork of Salmon River; above Little S. Fk. Lake 2286 Comment
  CAS-BOT-BC140212  Luetkea pectinata Jack Major; M. Fleschner; R. Pemble 1966-9-5 s.n. Siskiyou Along trail from Marble Mountain to Sky High Lake, east of Marble Mountain, Marble Mountains 1975 Comment
  CAS-BOT-BC140246  Luetkea pectinata K. T. Stillman 1976-7-30 310 Siskiyou Trail from Big Rock Camp to Jump off, Marble Mountain Wilderness Area 1981 Comment
  CAS-BOT-BC140247  Luetkea pectinata Louis C. Wheeler 1934-8-9 3089 Siskiyou Klamath National Forest, Jaynes Canyon 1981 Comment
  CAS-BOT-BC140249  Luetkea pectinata Ira L. Wiggins 1955-7-29 13571 Siskiyou Pass at SW end of Caribou L., Salmon-Trinity Alps Primitive Area 2072 Comment
  HSC29401  Luetkea pectinata Frederick W. Oettinger 1968-8-2 356 Siskiyou Marble Mtn. Wilderness Area, SE corner of Diamond Lake 2073 Comment
  RSA624978  Luetkea pectinata Louis C. Wheeler 1963-8-25 8274 Siskiyou Preston Peak: Summit ridge. 2134 Comment
  UC1128064  Luetkea pectinata H. A. Jensen 1933-8-4 340 Siskiyou The Gate (Red Butte); Shasta National Forest, Dunsmuir Quad. 2407 Comment
  SDSU4744  Luina hypoleuca D. F. Howe 1979-6-25 5194 Siskiyou 7 miles southeast of Somes Bar. Comment
  RSA119498  Lupinus C. P. Smith 1947-5-13 47270 Siskiyou 9.2 miles east of Weed. Highway 97. Comment
  RSA119499  Lupinus C. P. Smith 1947-5-13 47269 Siskiyou 2.6 miles east of Weed. Highway 97. Comment
  HSC73995  Lupinus albicaulis Gail Newton 1980-6-20 511 Siskiyou Near Bald Mtn. 1097 Comment
  UC157016  Lupinus albicaulis var. shastensis Geo. D. Butler 1909-6-23 913 Siskiyou foothills Goosenest; Goosenest foothills Comment
  UC618891  Lupinus albicaulis var. shastensis W. Bridge Cooke 1938-7-29 11386 Siskiyou Howard Mount Shasta, Howard (Mt. Shasta) Comment
  RSA60786  Lupinus albicaulis var. shastensis Dorothy Parker 180 -A Siskiyou Forks of Etna Creek, Salmon Mountain. 1177 Comment
  CAS-BOT-BC195960  Lupinus albifrons var. albifrons Mrs. H. C. Cantelow 1936-5-20 sn. Siskiyou Near Fort Jones Comment
  SEINET10838377  Lupinus albifrons var. flumineus Katherine L. Morris 1973-5-25 Morris 281 Siskiyou 9.5 miles ne of the junction of hwy 97 and 5 on us 97, in an area of Arctostaphylos and juniper Comment
  HSC22254  Lupinus andersonii J. O. Sawyer 1969-6-12 899 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  HSC63295  Lupinus andersonii M. A. Baker 1979-7-30 1083 Siskiyou Marble Mtn. Wilderness, Tickner Summit. 695 Comment
  UC1181814  Lupinus bicolor Dorothy Parker 1950-4-28 408 Siskiyou along Scott River (Scott Valley); Siskiyou Mountains, along Scott River, Scott Valley 853 Comment
  HSC30776  Lupinus bicolor J. P. Smith, J. O. Sawyer 1972-5-28 5363 Siskiyou 1 mi. S of Etna on Hwy. 3 91 Comment
  HSC71759  Lupinus bicolor J. P. Smith, Steve Selva 1970-6-16 4083 Siskiyou Idlewild Campground 808 Comment
  POM23593  Lupinus bicolor subsp. tridentatus Geo. D. Butler 1910-4-16 1190 Siskiyou Yreka. Comment
  HSC44985  Lupinus breweri J. O. Sawyer 1978-6-21 3290 Siskiyou Marble Mtn. Wilderness area, ridge above Crapo Meadow 2012 Comment
  UC454943  Lupinus croceus I. J. Condit 1911-7-5 Siskiyou Mt. Bradley near Shasta Retreat Mt. Bradley; Mt. Bradley near Shasta Retreat 1371 Comment
  SD106943  Lupinus croceus var. croceus M. L. Conrad, LeDoux, Kenney 1973-6-2 6981 Siskiyou 6 miles SW of Callahan 1524 Comment
  SEINET10490744  Lupinus croceus var. croceus H. Dearing, M. Dearing 1939-6-30 Dearing 3763 Siskiyou Perennial with yellow flower. Callahan, trinity alps rd. Comment
  SEINET10485330  Lupinus formosus Bruce A. Bohm, H. M. Banek 1980-5-6 Bohm BAB- 1378 Siskiyou I 5 roadside. Comment
  SEINET10485424  Lupinus klamathensis Jeffrey Huber 1971-6-9 Huber 258 Siskiyou 3 mi. N of weed, on us hwy 97; s facing 20 degree slope; roadside; in pinus Ponderosa, p. Jeffreyi, and artemisia tridentata and purshia. 1128 Comment
  SEINET10485428  Lupinus klamathensis Charles Piper Smith 1947-5-13 Smith 47274 Siskiyou 7.4 mi. E of weed. Hwy 97. Comment
  SEINET10838198  Lupinus klamathensis Charles Piper Smith 1947-5-13 Smith 47279 Siskiyou Weed. Roadside. Hwy 99, s side. Comment
  HSC92404  Lupinus lapidicola Jennifer Whipple 1976-6-11 965 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  SEINET10577542 Image available Lupinus lapidicola A. Arthur Heller 1920-7-9 Heller 13422 Siskiyou High up on the bare eastern slope of Mt. Eddy in coarse gravel. Hudsonian zone, the trees of Pinus albicaulis few and scattered. Comment
  HSC77004  Lupinus latifolius subsp. viridifolius K. T. Stillman 1976-6-25 85 Siskiyou Marble Mtn. Wilderness Area, N side of Elk Valley. 1799 Comment
  HSC99337  Lupinus latifolius subsp. viridifolius G. L. Clifton 1979-7-1 6191 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  UC33405  Lupinus lepidus var. lobbii W. C. Blasdale 1894-7-31 Siskiyou Mt. Shasta , near Black Butte (near Black Butte) Comment
  SEINET952479  Lupinus lepidus var. sellulus Mark Fishbein, Lane Hreer 2006-1 5875 Siskiyou South Base of Medicine Lake Glass Flow, just north of Medicine Lake 2050 Comment
  UC1481384  Lupinus lepidus var. sellulus D. B. Dunn 1971-8-15 18140 Siskiyou on Hwy 89, 1/2 mi e McCloud Ranger Station Comment
  JEPS65333  Lupinus luteolus Geo. D. Butler 1909-6-26 910 Siskiyou Yreka; Upper Field Comment
  JEPS81649  Lupinus luteolus L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2309 Siskiyou just ne western part of Iron Gate Reservoir (along road to Copco); ne of the western part of Iron Gate Reservoir 670 Comment
  UC199283  Lupinus microcarpus var. microcarpus Annie M. Alexander and L. Kellogg 1911-6-4 112 Siskiyou Mayten Comment
  UC156995  Lupinus microcarpus var. microcarpus Geo. D. Butler 1909-5-13 704 Siskiyou Klamath Hills Comment
  LA205153  Lupinus obtusilobus L. Ellison; 1928-9-11 512 Siskiyou Mt Shasta 2590 Comment
  UC1096808  Lupinus obtusilobus H. K. Wagnon 1957-8-11 1688 Siskiyou 3 mi w of Military Pass Rd on road to Brewer Cr. e slope Type Loc. Mt. Shasta; e slope of Mt. Shasta on road to Brewer Cr. Comment
  UCD109311  Lupinus obtusilobus A. A. Heller 1920-8-12 13516 Siskiyou a short distance below Horse Camp, Mt. Shasta; near the upper limit of the Canadian zone. Comment
  SBBG39950  Lupinus polyphyllus subsp. polyphyllus D. Myrick 1961-6-21 303 b Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1371 Comment
  CDA27573  Lupinus polyphyllus var. burkei T. C. Fuller 1964-6-24 12246 Siskiyou 0.2 mile south of Mugginsville, Quartz Valley. 0 Comment
  SEINET10488898  Lupinus sellulus Katherine L. Morris 1973-5-25 Morris 279 Siskiyou Collected 1.4 mi ne of wheat on u.s. 97 In an area of yellow pine, purshia, and Manzanita at the side of a cemetery. Comment
  SEINET10490236  Lupinus sellulus subsp. ursinus Worley 1985-6-1 WORLEY 89 Siskiyou Shast-trinity national forest, scott mtn. 1829 Comment
  SEINET10870606  Lupinus sellulus var. sellulus Smith 1929-7-17 Smith 4422 Siskiyou 1 mi n of igerna. Comment
  CAS-BOT-BC436603  Luzula cascadensis Ira L. Wiggins 1950-5-28 12362 Siskiyou Margins of Carmen Lake, about 1.5 miles E of Scott Mountain Road 1737 Comment
  HSC44888  Luzula comosa Maralyn O'Meara 1974-5-25 404 Siskiyou Along road to Duck Lakes trail 1402 Comment
  HSC30720  Luzula comosa Frederick W. Oettinger 1969-7-16 1034 Siskiyou Just NE of Abbott's Lake outlet 1723 Comment
  HSC92867  Luzula divaricata Jennifer Whipple 1976-7-23 1518 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2317 Comment
  UC843143  Luzula parviflora Louis C. Wheeler 1934-6-18 2726 Siskiyou Cottonwood Creek Siskiyou Mts., Cottonwood Creek 1310 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
  POM261536  Machaeranthera canescens var. shastensis Alice Eastwood 1912-7-16 1120 Siskiyou Mt. Cloud. Comment
  UC1096809  Madia citriodora Milo S. Baker 1957-6-16 13159 Siskiyou from turn off near Callahan (5-6 mi from turn off) Comment
  CAS-BOT-BC344004  Madia elegans Geo. D. Butler 1910-5-27 1413 Siskiyou Near Yreka Comment
  HSC72347  Madia elegans J. P. Smith, Linda M. Barker, J. Cole 1976-7-29 8960 Siskiyou Etna Campground 671 Comment
  UCD135763  Madia elegans Bruce G. Baldwin 1986-7-20 616 Siskiyou junction of California State Highway 96 and U.S. Forest Service Road 46N52 (west of town of Klamath River). Comment
  UCR66731  Madia exigua L. C. Wheeler 1934-6-2 02607 Siskiyou Siskiyou Mtns, Oak knoll ranger station, Klamath River 671 Comment
  SEINET11601396 Image available Madia glomerata L. C. Wheeler 1934-9-4 3244 Siskiyou Bear Creek, off West Fork Beaver Creek 1981 Comment
  CAS-BOT-BC343428  Madia gracilis Lewis S. Rose 1945-6-19 45140 Siskiyou Horse Creek & Klamath River 502 Comment
  JEPS25849  Madia gracilis Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7477 Siskiyou 0.2 mi w Rogers Creek crossing (along Calif. Highway 96, on e side of Klamath River canyon); Klamath River 228 Comment
  HSC5976  Madia gracilis R. C. Wunner 1965-6-26 277 Siskiyou California Lava Beds National Monument: 1/2 was up trail on Schonchin Butte 1494 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
  RSA48230  Mahonia aquifolium Roxana S. Ferris, Laura Lorraine 1948-6-12 11814 Siskiyou At Mule Creek crossing of Scott Mountain Road. 1524 Comment
  CAS-BOT-BC512764  Maianthemum racemosum subsp. amplexicaule Alice Eastwood 1912-7-15 1091 Siskiyou Mccloud Comment
  HSC18916  Maianthemum stellatum J. O. Sawyer 1968-6-18 205 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  HSC27467  Malacothrix floccifera J. P. Smith, J. O. Sawyer 1972-5-28 5379 Siskiyou Cecilville-Forks of Salmon 762 Comment
  CAS-BOT-BC540131  Malus domestica Wm. Bridge Cooke; V. G. Cooke 1965-7-11 35166 Siskiyou In chaparral, not far from old Sisson Southern Trail, below MacBridge Springs, Mount Shasta Comment
  JEPS107485  Malvella leprosa Lowell Ahart, John Dittes 2005-6-9 12041 Siskiyou North margin of a meadow area along a small drainage, on the west side of a poor rock fence, about 200 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 Gren 774 Comment
  CDA5691  Marrubium vulgare T. C. Fuller 1970-5-27 19588 Siskiyou Interstate 5, at new truck inspection station, Dunsmuir Grade, 4 miles north of Dunsmuir. 0 Comment
  UC1265396  Melica aristata F. W. Oettinger 1969-9-4 1662 Siskiyou n side Tom Lake Basin; Salmon Mts. Comment
  RSA239021  Melica bulbosa Frederick W. Oettinger 1968-8-8 451 Siskiyou Crapo Meadows. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  UC1265397  Melica bulbosa F. W. Oettinger 1968-8-8 451 Siskiyou Crapo Meadow; Salmon Mts. 2164 Comment
  SEINET4671564  Melica bulbosa G. Butler 1910-4-30 1251 Siskiyou Yreka Comment
  JEPS84002  Melica californica L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6437 Siskiyou 5 mi n Seiad Valley (town) (e slope of Kangaroo Mountain, cirque at head of Hell's Canyon); Kangaroo Mountain 1828 Comment
  UC167206  Melica fugax Geo. D. Butler 1909-5-26 824 Siskiyou near Yreka Comment
  SEINET10893690  Melica fugax A. Arthur Heller 1921-7-7 Heller 13568 Siskiyou Gravekky slope of Mt. Eddy south of Wagon creek, in Canadian zone. 1981 Comment
  RSA239101  Melica harfordii Frederick W. Oettinger 1969-8-3 1143 Siskiyou Above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC281388  Melica harfordii Doris K. Kildale 1928-6-24 5276 Siskiyou Entrance to Horse Mountain 914 Comment
  RSA239102  Melica subulata Frederick W. Oettinger 1969-8-16 1394 Siskiyou Southwest of Wire Grass Meadow, above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  HSC46143  Mentzelia dispersa J. P. Smith, Steve Selva 1970-8-8 4570 Siskiyou Lava Beds National Monument Comment
  HSC62311  Mertensia bella Al Hobart 1968-6-20 Siskiyou Youngs Valley Comment
  CAS-BOT-BC428551  Micranthes aprica A. A. Heller 1915-7-15 12081 Siskiyou Mt. Eddy 2072 Comment
  CAS-BOT-BC428552  Micranthes aprica Ira L. Wiggins 1955-7-27 13516 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC429150  Micranthes odontoloma Freed Hoffman 1951-7-12 4033 Siskiyou Western Siskiyou County, Marble Mountains. Hammond's Stock-raising Camp, on Kelsey Creek, about 8 mi. above Scott River 1524 Comment
  POM52316  Microseris laciniata Geo D. Butler 1910-5-28 1420 Siskiyou Shaster Valley Comment
  HSC837  Microseris nutans William J. Ferlatte 1967-7-9 694 Siskiyou Kidd Creek Trail 1982 Comment
  HSC30212  Microsteris gracilis William J. Ferlatte 1968-6-8 1135 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  HSC77048  Microsteris gracilis K. T. Stillman 1976-6-25 33 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 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
  POM204109  Mimulus layneae J. T. Howell 1934-7-4 12398 Siskiyou SE corner of Siskiyou County Comment
  RSA211433  Mimulus lewisii William J. Ferlatte 1966-8-17 386 Siskiyou Caribou Basin; Trinity Alps. 1982 Comment
  JEPS11712  Mimulus microphyllus F. W. Pennell 1940-6-20 26203 Siskiyou w Bartle (Route 89) 1158 Comment
  HSC72407  Mimulus moschatus J. P. Smith, Steve Selva 1970-7-27 4510 Siskiyou Gumboot Lake 1768 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
  POM43845  Mimulus moschatus var. moniliformis Geo. D. Butler 1910-7-8 1685 Siskiyou Shackleford Creek. 1220 Comment
  RSA12581  Mimulus nanus var. jepsonii Carl B. Wolf 1934-7-6 6005 Siskiyou 5.4 mi. from Mt. Shasta City on Wagon Camp Rd. S.W. slope of Mt. Shasta. 1220 Comment
  JEPS69753  Mimulus nanus var. nanus W. B. and V. G. Cooke 1972-6-30 45418 Siskiyou above Andesite crossing (near Military Pass Road); Mt. Shasta Comment
  JEPS84018  Mimulus nanus var. nanus L. R. Heckard with J. Hickman et al. 1986-7-17 6502 Siskiyou e Condrey Mt.; Alex Hole 1950 Comment
  JEPS10997  Mimulus primuloides Willis L. Jepson July, 1894 53 m Siskiyou near Sisson; Region of the Upper Sacramento Comment
  HSC90998  Mimulus tilingii Jennifer Whipple 1976-7-24 1529 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC82583  Minuartia douglasii Thomas W. Nelson, Jane P. Nelson 1979-5-26 4708 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  POM101318  Minuartia douglasii Geo. D. Butler 1910-5-16 1351 Siskiyou Yreka. Comment
  JEPS90753  Minuartia nuttallii subsp. gracilis Dean William Taylor 1972-7-4 1570 Siskiyou 3 mi w Cook and Green Pass (near Lily Pad Lake) 1981 Comment
  JEPS111028  Minuartia nuttallii subsp. gregaria Sue Pappalardo 1997-8-9 974 Siskiyou Mt. Shasta Ranger District; Mt. Eddy. On trail to summit, about halfway from saddle to summit. 2740 Comment
  RSA215627  Minuartia nuttallii subsp. gregaria Gilbert Muth 1969-8-10 1352 Siskiyou Red Mountain Ridge. 2317 Comment
  UC1190268  Mitella diversifolia Ira L. Wiggins 1955-7-24 13481 Siskiyou China Creek; diversion dam 1097 Comment
  CAS-BOT-BC433014  Mitella diversifolia Ira L. Wiggins 1955-7-24 13481 Siskiyou On China Creek 1158 Comment
  HSC682  Mitella pentandra William J. Ferlatte 1967-8-20 1062 Siskiyou Caribou Basin 2226 Comment
  RSA238321  Mitella pentandra Frederick W. Oettinger 1968-8-8 376 Siskiyou Midway between Diamon Lake and Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2012 Comment
  HSC99251  Mitella trifida G. L. Clifton 1979-7-1 6176 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  HSC36943  Moehringia macrophylla J. P. Smith 1974-5-26 7563 Siskiyou Along FS Rd. 47N03 1524 Comment
  SEINET5338727  Moehringia macrophylla G. Butler 1910-4-22 1217 Siskiyou Shackleford Creek in wet land Comment
  SEINET10700593  Monardella glauca Karen M. Meyer, Andrew Townesmith 2007-8-2 Meyer 186 Siskiyou Klamath National Forest, 10.1 mi. on National Forest Rd. 70, off Hwy. 97 toward Oregon. 1933 Comment
  CHSC4557  Monardella odoratissima J. E. Bowlin 1967-7-18 73 Siskiyou Off roadside, ca. 3.4 mi w of Mount Shasta Ski Bowl. 2164 Comment
  SEINET3996774 Image available Monardella odoratissima Marion Ownbey, Fred G. Meyer 1940-7-5 2182 Siskiyou East side of Mt. Shasta Comment
  UC1096812  Monardella odoratissima subsp. glauca Milo S. Baker 1957-6-16 13118 Siskiyou trip to Scott Mt. (after turn off near Callahan); North Coast Ranges Comment
  UC2035944  Monardella odoratissima subsp. glauca W. Bridge Cooke 1940-7-26 15361 Siskiyou Near Black Butte Spring Comment
  UC54605  Monardella odoratissima subsp. glauca H. M. Hall and E. B. Babcock June 1903 4057 Siskiyou Sisson Sierra Nevada Mts., Mt. Shasta, Sisson 1036 Comment
  UCD125202  Monardella odoratissima subsp. glauca K. M. Meyer; A. Townesmith 2007-8-2 186 Siskiyou Klamath National Forest; 10.1 miles on National Forest Road 70, off Highway 97 toward Oregon. 1956 Comment
  HSC67785  Monardella odoratissima subsp. pallida J. O. Sawyer, J. Cole 1980-7-21 3831 Siskiyou N of FS Rd. 44N01 near intersection with road to Lava Camp. 1677 Comment
  HSC69261  Monardella odoratissima subsp. pallida J. O. Sawyer, J. Cole 1980-7-20 3745 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  RSA83364  Monardella odoratissima subsp. pallida F. W. Peirson 1923-7-19 3834 Siskiyou 16 miles S of Bray. Comment
  JEPS83877  Monardella purpurea Wayne Roderick July 1986 Siskiyou Vicinity Cook and Green Pass, along trail to Lily Pad lake. Siskiyou Mts. 1463 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
  RSA0034441  Monardella villosa subsp. subserrata E. B. Copeland 1903-7-6 3497 Siskiyou Hornbrook. Comment
  HSC34127  Monotropa hypopitys J. O. Sawyer 1969-9-18 2035 Siskiyou Below Statue Lake 2165 Comment
  HSC78183  Montia chamissoi L. P. Janeway 1983-7-17 422 Siskiyou Poker Flat, upper portion of meadow 1524 Comment
  CDA23980  Montia linearis Vernon H. Oswald & Lowell Ahart 1998-6-11 9204 Siskiyou Dry Lake on the south side of Tennant Road, ca. 9 air miles east of Grass Lake, ca. 22 air miles northeast of Weed. Comment
  NY342247  Montia obtusata A. A. Heller 1905-6-1 7945 Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  HSC29447  Montia parvifolia Frederick W. Oettinger 1969-7-13 1004 Siskiyou Marble Mtn. Wilderness Area, N of Upper English Lake 1951 Comment
  JEPS43285  Montia parvifolia W. L. Jepson 1902-7-17 2066 Siskiyou Devil's Backbone, Trinity Summit to Salmon Summit (on boundary between Humboldt and Trinity Counties); Devil's Backbone Comment
  HSC22223  Montia parvifolia J. O. Sawyer 1969-7-10 1293 Siskiyou E facing slope W of S Sugar Lake 2226 Comment
  RSA262474  Montia parvifolia J. M. Tucker 1963-7-4 3696 Siskiyou Vicinity of U.S. Forest Service Public Camp, just east of Finley Camp, road from Etna to Sawyers Bar Comment
  UCD86503  Muhlenbergia andina R. Tofsrud 1950-7-24 s.n. Siskiyou E. side of Mt. Shasta. Cold Creek. Comment
  CAS-BOT-BC262673  Muhlenbergia asperifolia David D. Keck 1949-7-19 6344 Siskiyou 2 mi. S. of Grenada, along R.R. right-of-way 777 Comment
  UC1132354  Muhlenbergia asperifolia H. S. Yates 1936-6-21 5815 Siskiyou 6 mi n Gazelle; Yreka Quadrangle Comment
  UC711878  Muhlenbergia asperifolia Roxana S. Ferris and Laura Lorraine 1941-8-11 10502 Siskiyou on US Hwy 97 Grass Lake Station 1554 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
  CDA34725  Myosotis laxa L. Ahart, John Dittes 2010-7-3 16944 Siskiyou About 30 yards south the Shasta River, about 80 yards west of the pipe across the Shasta River, about 200 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. Comment
  RSA45312  Myosotis scorpioides Dorothy Parker 1946-6-6 3 Siskiyou (Etna) Scott Valley. 897 Comment
  CHSC71320  Myosurus apetalus var. montanus Vernon H. Oswald; Lowell Ahart 1998-6-11 9221 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. Along the edge of a vernal pool. 1295 Comment
  UC9332  Myosurus minimus Mrs. R. M. Austin June, 1894 Siskiyou Pot Hole Springs Comment
  RSA237899  Narthecium californicum Frederick W. Oettinger 1969-7-31 1112 Siskiyou Boggy meadow west of English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  HSC60827  Navarretia capillaris Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  UC1332135  Navarretia divaricata John Thomas Howell 1937-7-27 13572 Siskiyou near Big Flat; Salmon River 1524 Comment
  JEPS19787  Navarretia intertexta Rimo Bacigalupi with S. Galen Smith 1957-6-26 5934 Siskiyou about 2.5 mi nw Weed (close to U.S. Highway 99) 1005 Comment
  JEPS70411  Navarretia intertexta subsp. propinqua Geo. D. Butler 1909-6-5 998 Siskiyou near Yreka Comment
  JEPS19786  Navarretia leucocephala subsp. minima Rimo Bacigalupi with S. Galen Smith 1957-6-26 5935 Siskiyou about 2.5 mi nw Weed (close to U.S. Highway 99) 1005 Comment
  RSA565355  Navarretia sinistra Alva Day, Orbelia Robinson 1984-6-29 84 -18 Siskiyou Highway 3, summit just W of Scott Mountain, near Siskiyou-Trinity county line. 1649 Comment
  RSA600383  Navarretia sinistra L. C. Wheeler 1934-6-22 2771 Siskiyou Siskiyou Mountains: Cottonwood Creek, Mt. Diablo Mer. 1006 Comment
  UC796661  Nemophila parviflora var. austiniae Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11739 Siskiyou French Creek Logging Road w Callahan; French Creek Logging Road w of Callahan 1066 Comment
  JEPS109401  Nepeta cataria Dean W. Taylor 2004-7-19 19183 Siskiyou Weed, wet meadow just east of town limits along Boles Creek 1051 Comment
  CAS-BOT-BC60569  Noccaea fendleri subsp. glauca Alice Eastwood 1921-7-24 10788 Siskiyou Castle Lake. Comment
  HSC64808  Noccaea fendleri subsp. glauca J. P. Smith 1976-5-21 8765 Siskiyou Klamath National Forest, FS Rd. 40N08, 6.9 mi. from its junction with Hwy. 3 1524 Comment
  HSC81838  Noccaea fendleri subsp. glauca Thomas W. Nelson, Jane P. Nelson 1980-7-20 6182 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  HSC34115  Noccaea fendleri subsp. glauca J. O. Sawyer 1971-7-15 2425 Siskiyou Along Red Rock Valley Creek 1585 Comment
  RSA211335  Noccaea fendleri subsp. glauca William J. Ferlatte 1966-6-23 122 Siskiyou Dorleska summit; Trinity Alps. 2134 Comment
  JEPS93853  Nothocalais troximoides Vernon H. Oswald and Lowell Ahart 1998-6-11 9199 Siskiyou Dry Lake on south side of Tennant Road, ca. 9 air mi east of Grass Lake, ca 22 air mi northeast of Weed. 1402 Comment
  RSA420385  Nothochelone nemorosa M. B. Dunkle 1945-7-22 9235 Siskiyou Marble Mts., Klamath National Forest. Comment
  UCD110225  Notholithocarpus densiflorus var. echinoides B. Crampton 1956-8-21 3850 Siskiyou Canyon of the Sacramento River just the junction of the North Fork with Middle and South Forks. 1066 Comment
  HSC41047  Oemleria cerasiformis J. O. Sawyer 1970-3-4 2066 Siskiyou N of Idlewild Campground 762 Comment
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Mar 12 2012
  RSA25794  Opuntia fragilis C. B. Wolf 1941-7-26 11074 Siskiyou East side of Little Shasta Valley at Coonrod Ranch (12 miles NE of Weed, then 8 miles N on road to Montague 884 Comment
  CAS-BOT-BC355600  Oreostemma alpigenum var. andersonii H. A. Thomas; J. H. Thomas 1954-7-24 4503 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  HSC61865  Orogenia fusiformis Ruby Van Deventer Siskiyou Poker Flat 1585 Comment
  HSC19215  Orthilia secunda J. O. Sawyer 1968-9-10 683 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  CAS-BOT-BC458096  Orthilia secunda Annetta Carter 1939-8-21 1469 Siskiyou Above SE end of Taylor Lake, 12 mies SW of Etna, Salmon Mountains 2164 Comment
  CAS-BOT-BC458097  Orthilia secunda Edward Lee 1934-8-13 1087 Siskiyou Watershed of West Branch of Indian Creek, Happy Camp to Waldo (Oregon) road, Klamath National Forest 1463 Comment
  POM229936  Orthocarpus lacerus Louis C. Wheeler 1935-6-27 3611 Siskiyou Greenview, Scott Valley. 884 Comment
  SEINET10549696  Orthocarpus lithospermoides Strull 1984-5-26 STRULL 65 Siskiyou T44n, r11w, s26, indian scotty campground, 15.2 mi w of fort jones on scott River rd. Collected on roadside growing with quercus, cornus, and aquilegia. 701 Comment
  HSC91159  Osmorhiza berteroi Jennifer Whipple 1976-7-9 1407 Siskiyou N facing slopes in the Eddy Creek drainage 2195 Comment
  HSC27329  Osmorhiza occidentalis J. P. Smith, J. O. Sawyer, M. O'Mera 1972-7-3 5715 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  CAS-BOT-BC413220  Oxyria digyna Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  RSA215635  Oxyria digyna Gilbert Muth 1969-8-7 1225 Siskiyou damp shaded area on east side of Boulder Peak Ridge in Subalpine Forest. 2470 Comment
  SD88391  Ozomelis trifida Darley F. Howe 1972-7-5 4875 Siskiyou 0.6 miles south of Oregon state line on road to Happy Camp 1707 Comment
  UC1216702  Packera cana W. B. and V. G. Cooke 1960-8-8 Siskiyou w bank Mud Creek Canyon; fell fields Mt. Shasta Comment
  UC1169371  Packera streptanthifolia R. Ornduff 1960-6-30 6269 Siskiyou at margin of Grass Lake Grass Lake Comment
  HSC101758  Panicum dichotomiflorum subsp. dichotomiflorum J. P. Smith, J. O. Sawyer 2011-9-4 13413 Siskiyou Along Ball Mountain-Little Shasta-Mt. Hebron Road. 877 Comment
  UCSC004604  Panicum dichotomiflorum subsp. dichotomiflorum Randall Morgan 2004-8-3 4272 Siskiyou Castle Crags State Park, Sacramento River Comment
  UC630397  Parnassia californica Annetta Carter 1939-8-21 1480 Siskiyou 12 mi sw of Etna (se end of Taylor Lake); Salmon Mountains, Taylor Lake 2026 Comment
  CAS-BOT-BC175507  Parnassia fimbriata J. P. Smith; J. O. Sawyer 1973-8-14 7314 Siskiyou Around Cliff Lake 1859 Comment
  CAS-BOT-BC175509  Parnassia fimbriata W. R. Dudley 1899-8-24 s.n. Siskiyou Craggy Peak at Spring Comment
  HSC29458  Parnassia fimbriata Frederick W. Oettinger 1968-9-4 699 Siskiyou Marble Mountain Wilderness Area, Abbots Lake. 1723 Comment
  HSC91998  Parnassia palustris Jennifer Whipple 1976-8-20 1721 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  HSC4834  Paxistima myrsinites J. O. Sawyer 1968-6-25 329 Siskiyou 1646 Comment
  SEINET6646339  Paxistima myrsinites G. D. Butler 1910-4-22 1219 Siskiyou Kidder Creek Comment
  RSA610187  Pectocarya pusilla L. C. Wheeler 1935-5-1 3453 Siskiyou Yreka Creek, Siskiyou Mts. 854 Comment
  CAS-BOT-BC266653  Pedicularis bracteosa var. flavida Gilbert Muth 1969-8-11 s.n. Siskiyou Beneath high point of ridge S of Boulder Peak Comment
  RSA425321  Pedicularis semibarbata Bonnie C. Templeton 1964-6-10 10070 Siskiyou Moutain slope of Mt. Shasta.Green Valley Lake, San Bernardino Mountains. Comment
  CAS-BOT-BC67724  Pellaea brachyptera Wm. Bridge Cooke 1938-6-17 11036 Siskiyou Mount Shasta - along the Sison Southern Trail on a lava flow outcropping. 1371 Comment
  CAS-BOT-BC67671  Pellaea breweri John Thomas Howell 1939-8-2 14874 Siskiyou Marble Mts. - Spirit Lake Comment
  CAS-BOT-BC67672  Pellaea breweri John Thomas Howell 1939-8-2 14874 Siskiyou Marble Mts. - Spirit Lake 1828 Comment
  UCSB51230  Pellaea mucronata Almanza, Ed 1976-7-13 Siskiyou McBride campground, Mt. Shasta 1493 Comment
  RSA0006214  Penstemon W. C. Cusick 1902-1 2928 Siskiyou Siskiyou Mts., Waldo-Crescent City rd., 1/4 mi. S. of Cal. Line [Siskiyou or Del Norte counties]. Comment
  JEPS26526  Penstemon anguineus Lauramay T. Dempster 1961-7-2 1865 Siskiyou sw Etna (just ne of Salmon Summit); ne of Salmon Summit, sw of Etna 1828 Comment
  UC1238940  Penstemon anguineus Freed W. Hoffman 1950-7-13 3492 Siskiyou 1.1 mi ne Baldy Lookout (western Siskiyou County); North Coast Ranges, ne of Baldy Lookout Comment
  POM43273  Penstemon anguineus Geo. D. Butler 1908-8-4 432 Siskiyou Shackleford Creek. 1829 Comment
  RSA211396  Penstemon anguineus William J. Ferlatte 1966-8-5 325 Siskiyou North side of Caribou Mtn. Trinity Alps. 1982 Comment
  RSA238751  Penstemon anguineus Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1171 -a Siskiyou Near outlet, south side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  JEPS101470  Penstemon azureus var. azureus Dean W. Taylor 1972-7-4 1596 Siskiyou near Lily Pad Lake 3 miles west of Cook & Green Pass 1981 Comment
  HSC69369  Penstemon cinicola J. O. Sawyer, J. Cole 1980-7-20 3790 Siskiyou E side of Grouse Hill 2134 Comment
  HSC19139  Penstemon deustus J. O. Sawyer 1969-6-13 1110 Siskiyou Slope above Little Duck Lake 2134 Comment
  UC484060  Penstemon deustus Carl B. Wolf 1930-10-23 1758 Siskiyou 2 mi below Browns Resort (along Klamath River); , below Browns Resort 304 Comment
  RSA15787  Penstemon deustus subsp. deustus Carl B. Wolf 1927-8-26 1012 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  CDA41875  Penstemon deustus var. suffrutescens L. Ahart, John Dittes 2005-6-9 12037 Siskiyou About 20 yards north 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. Comment
  NY609822  Penstemon deustus var. suffrutescens C. L. Hitchcock 1939-7-7 5293 Siskiyou North side of Sanger Peak 1645.9 Comment
  JEPS11273  Penstemon gracilentus W. L. Jepson 1940-6-27 20035 Siskiyou e slope Mt. Shasta 1828 Comment
  JEPS109828  Penstemon heterodoxus var. shastensis Dean W. Taylor 2005-7-14 19403 Siskiyou Wagon Camp, along Forest Road 40N25, Panther Creek Drainage, Mount Shasta 1685 Comment
  HSC72494  Penstemon heterophyllus J. P. Smith, Steve Selva 1970-6-16 4017 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  JEPS101503  Penstemon humilis var. humilis Dean W. Taylor 1997-6-11 16048 Siskiyou Mallethead Rock, headwaters Willow Creek, Shasta Valley River drainage 1645 Comment
  SBBG30655  Penstemon laetus D. Myrick 1968-6-22 1992 Siskiyou Lava Beds Nat Monument 1371 Comment
  UCR24850  Penstemon laetus John C. Roos 1948-9-2 3974 Siskiyou 6 mi SW of Yreka 1300 Comment
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Aug 13 2007
  CHSC93546  Penstemon laetus var. sagittatus Lowell Ahart; John Dittes 2005-6-9 12029 Siskiyou Hill, south of a rock fence, about 100 yards northeast 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
  NY604548  Penstemon laetus var. sagittatus H. D. D. Ripley 1948-7-5 9631 Siskiyou East of Little Shasta 1066.8 Comment
  HSC82260  Penstemon neotericus Thomas W. Nelson, Jane P. Nelson 1980-7-5 5977 Siskiyou Fowler's Campground 1006 Comment
  HSC4840  Penstemon newberryi subsp. berryi J. O. Sawyer 1968-9-9 656 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  HSC605  Penstemon newberryi subsp. berryi William J. Ferlatte 1967-7-26 752 Siskiyou Caribou Basin, Sawtooth Ridge 2287 Comment
  RSA101647  Penstemon newberryi subsp. newberryi Lilla Leach 1934-6-26 4872 Siskiyou Poker Flat. Comment
  RSA68889  Penstemon newberryi subsp. newberryi A. E. Culbertson 1943-7-10 67 Siskiyou Castle Lake, 5434', 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. Comment
  HSC69343  Penstemon newberryi var. berryi Maralyn A. Renner 1980-9-9 2762 Siskiyou Medicine Mtn., ridge to SW 2058 Comment
  CHSC96010  Penstemon parvulus L. P. Janeway 2006-7-3 8764 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead Road about 1.5 km west of upper crossing of Music Creek. 1646 Comment
  UC1408801  Penstemon procerus Robert F. Thorne and Fred Oettinger 1969-8-10 38971 Siskiyou s slope of, (at Panther Creek Meadows) Mt. Shasta; Mt. Shasta National Forest, Panther Creek Meadows 2194 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
  HSC43858  Penstemon roezlii Maralyn O'Meara 1974-5-25 368 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  RSA211397  Penstemon roezlii William J. Ferlatte 1966-8-4 299 Siskiyou Yellow Rose Mine. 1982 Comment
  RSA463106  Penstemon shastensis S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  SEINET3160574  Penstemon speciosus G. D. Butler 1910-5-18 1360 Siskiyou near Yuka Comment
  UC875336  Perideridia howellii A. A. Heller 1915-8-24 12204 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  UC1446414  Perideridia oregana Laura Witherspoon 1980-9-17 124 Siskiyou Oak Knoll Ranger District 762 Comment
  UCR52566  Perideridia oregana 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
  HSC17494  Persicaria amphibia R. C. Wunner 1965-8-24 478 Siskiyou Lava Beds NM, Capt. Jacks Stronghold Entrance 1220 Comment
  RSA0003819  Phacelia cookei L. R. Heckard, Constance, Ornduff 1969-6-24 2294 Siskiyou N of Mt. Shasta, junc. of old Military Pass Rd. and U.S. Hwy. 97. Comment
  JEPS76146  Phacelia dalesiana Susan Horner 1977-6-1 110 Siskiyou 4 mi ne Scott Mt. (trail from Robbers Meadows to Kangaroo Lake) Comment
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Jul 5 2017
  JEPS35235  Phacelia hastata L. R. Heckard and R. Bacigalupi, J. Weiler 1961-7-2 1254 Siskiyou about 7 1/2 mi ne of Weed (along U.S. Highway 97); U.S. Highway 97 1127 Comment
  UC1034645  Phacelia hastata Milo S. Baker 1955-6-26 13077 Siskiyou between Weed and Gazelle; Shasta Val. 914 Comment
  UC618687  Phacelia hastata subsp. compacta John Thomas Howell 1938-8-21 11551 Siskiyou Horse Camp Flats Mount Shasta, vicinity of Horse Camp Basin Comment
  UC61067  Phacelia heterophylla subsp. virgata W. A. Setchell, C. C. Dobie 1902-7-14 Siskiyou Sisson Mount Shasta Comment
  POM252978  Phacelia heterophylla subsp. virgata A. A. Heller 1938-7-12 15256 Siskiyou Near the western base of Deer Mountain on Highway 97. Comment
  UC1055964  Phacelia heterophylla subsp. virgata Edw. L. Greene June 1876 Siskiyou Comment
  CAS-BOT-BC145045  Phacelia leonis Lincoln Constance; Rimo Bacigalupi; Lawrence R. Heckard 1960-7-20 3691 Siskiyou Twin Valley, ca. 5 miles southwest of Poker Flat, Siskiyou Mountains 1554 Comment
  HSC2392  Phacelia mutabilis William J. Ferlatte 1966-8-18 418 Siskiyou Along S Fork of Salmon River between the campground and Carter's 1524 Comment
  SD76168  Phacelia mutabilis Helen V. Witham 1969-10-9 594 Siskiyou Mt. Shasta. Disturbed area near McBride Springs Road. 1500 Comment
  HSC86532  Phacelia mutabilis D. K. Imper 1987-6-9 Siskiyou 8 mi. E of Somes Bar, vicinity of Hanpress Meadows 1372 Comment
  UC923088  Phacelia mutabilis Freed W. Hoffman 1950-7-11 3315 Siskiyou Cedar Camp rd 23.1 mi from Klamath Highway (3.2 mi from Cedar Camp); North Coast Ranges Comment
  JEPS1096  Phacelia pringlei J. G. Lemmon September 1879 Siskiyou near Sisson (headwaters of riv<er>); Shasta, Sac. River Comment
  SBBG122789  Phacelia pringlei B. Ertter 1990-7-14 9338 Siskiyou Wagon Crk, E side of Mt Eddy, ca. 4 air-mi W of Mt Shasta City 1828 Comment
  UC1426020  Phacelia procera Frederick W. Oettinger 1969-7-18 1056 Siskiyou base of cliffs sw Upper English Lake (w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  UC922466  Phacelia procera Annie M. Alexander and Louise Kellogg 1949-7-20 5814 Siskiyou Paradise Lake Marble Mountains 1920 Comment
  HSC29263  Phacelia procera Frederick W. Oettinger 1968-8-23 613 Siskiyou Salmon Mtns., due E of Diamond Lake, 50 ft. below the lake 2058 Comment
  CAS-BOT-BC159143  Phacelia ramosissima var. ramosissima Elmer I. Applegate 1935-6-10 7489 Siskiyou South cinder slope of Caldwell Butte Comment
  HSC26599  Philadelphus californicus D. H. Norris, Thomas W. Nelson, S. Dowty 1971-6-23 19539 Siskiyou Along Hwy. 96 about 8 mi. E of junction with Hwy. 5 Comment
  UCR93361  Philadelphus lewisii Kathy Harper, Dane Karr 1994-6-14 s.n. Siskiyou Sierra Nevada Mtns., State Hwy 96, south of Happy Camp (at mi. Marker 13.96) 244 Comment
  UC1736666  Phlox adsurgens Dean W. Taylor 1972-7-3 1590 Siskiyou Cook and Green Pass 1371 Comment
  UC880435  Phlox douglasii subsp. rigida A. A. Heller 1915-7-15 12084 Siskiyou Mt. Eddy 2072 Comment
  RSA262361  Phlox douglasii subsp. rigida Sandra Holloway 1963-4-10 23 Siskiyou Humbug Road, 1.5 miles west of Hawkinsville 915 Comment
  JEPS71115  Phlox gracilis J. W. Kisling Mar 1910 Siskiyou Edgewood Comment
  CAS-BOT-BC232825  Phlox hirsuta Geo. D. Butler 1909-5-16 739 Siskiyou Hills near Yreka Comment
  POM202876  Phlox speciosa subsp. occidentalis J. T. Howell, Alice Eastwood 1934-4-20 1756 Siskiyou Near Yreka on Fort Jones Road Comment
  HSC30282  Phoradendron juniperinum William J. Ferlatte 1969-6-25 1184 Siskiyou Big Flat 1524 Comment
  CAS-BOT-BC171214  Phoradendron serotinum subsp. tomentosum Alice Eastwood 1922-10-18 11512 Siskiyou Shasta Springs Comment
  RSA761681  Phyllodoce empetriformis R. F. Thorne, Frederick W. Oettinger 1969-8-4 63364 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 2097 Comment
  CDA5887  Physalis longifolia T. C. Fuller 1966-10-6 15246 Siskiyou Clement ranch, 5 miles north of Montague. 0 Comment
  HSC76637  Physaria occidentalis K. T. Stillman 1976-6-25 59 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  HSC91035  Physaria occidentalis subsp. occidentalis Jennifer Whipple 1976-6-11 962 Siskiyou S face of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  UCD116160  Physaria occidentalis subsp. occidentalis Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou Northeast face of Marble Mountain, Marble Mountains. 2225 Comment
  UC144392  Physocarpus capitatus A. A. Heller 1905-6-17 8057 Siskiyou near Sisson Comment
  CAS-BOT-BC78181  Picea breweriana Jim Young 1962-11-10 s.n. Siskiyou Sugar Creek 1524 Comment
  CDA494  Picea breweriana Don Shaw, T. C. Fuller 1974-9-24 20035 Siskiyou Siskiyou Mountains, E of White Mt.; by Pacific Crest Trail. Comment
  RSA0059701  Picea breweriana J. T. Howell 1937-7-24 13413 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  CAS-BOT-BC73389  Pinus albicaulis Geo. B. Grant 1902-9-8 s.n. Siskiyou Horse Camp, Mt. Shasta Comment
  JEPS82671  Pinus albicaulis Steve Edwards 1984-6-7 Siskiyou South China Mountain 2438 Comment
  CAS-BOT-BC78327  Pinus attenuata W. B. C. 1938-8-19 11534 Siskiyou Below Wagon Camp 1676 Comment
  CAS-BOT-BC78328  Pinus attenuata Ira L. Wiggins 1955-7-24 13485 Siskiyou Ridge betw. upper reaches of China Creek and Blind Horse Creek 1463 Comment
  CAS-BOT-BC78330  Pinus attenuata Carl B. Wolf 1934-7-4 5929 Siskiyou Klamath River, 3/10 mi. below Walker Creek 426 Comment
  NY34632  Pinus attenuata H. E. Brown 1897-7-15 511 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
  NY579173  Pinus attenuata T. charlet 1996-12-15 2350 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
  JEPS47959  Pinus contorta subsp. murrayana Geo. D. Butler 1908-8-3 519 Siskiyou Log Lake Comment
  UC154  Pinus contorta subsp. murrayana Milo S. Baker 1893-8-8 Siskiyou near Medicine Lake 2438 Comment
  HSC36761  Pinus jeffreyi J. P. Smith 1974-5-25 7397 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  CAS-BOT-BC78781  Pinus lambertiana Carl B. Wolf 1927-8-26 1106 Siskiyou On the Klamath River, 8 mi. above Happy Camp Comment
  CAS-BOT-BC78782  Pinus lambertiana Carl B. Wolf 1927-8-27 1124 Siskiyou On the Klamath River, 4 mi. below Happy Camp Comment
  CAS-BOT-BC78962  Pinus monticola W. R. Dudley 1901-8-18 s.n. Siskiyou Jackson Lake Comment
  CAS-BOT-BC78961  Pinus monticola W. R. Dudley 1901-8-25 s.n. Siskiyou Salmon to Scotts Creek Comment
  NY61942  Pinus monticola W. R. Dudley 1901-8-25 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
  UC618741  Pinus ponderosa unknown 1938-9-2 11597 Siskiyou Sisson Southern Trail Mount Shasta (Transition zone forest and chaparral belts around mountain) 1524 Comment
  RSA237630  Piperia unalascensis Frederick W. Oettinger 1969-7-27 1077 Siskiyou Northwest of English Lake. The Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness Area 1982 Comment
  RSA237643  Piperia unalascensis Frederick W. Oettinger 1967-7-30 224 Siskiyou Between Abbotts Lake and Charmine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  JEPS60955  Plagiobothrys cusickii Geo. D. Butler 1909-5-23 732 Siskiyou near Yreka Comment
  POM229184  Plagiobothrys greenei L. C. Wheeler 1938-5-18 3502 Siskiyou Siskiyou Mts.: Mt. Diablo Mer. Yreka Creek 854 Comment
  SEINET15345844  Plagiobothrys greenei L. C. Wheeler 1935-5-18 3502 Siskiyou Yreka Creek, Siskiyou Mts. 853 Comment
  CAS-BOT-BC231005  Plagiobothrys hispidulus Alice Eastwood 1923-5-23 11911 Siskiyou Shasta Springs, railroad tracks to Sisson Comment
  HSC29336  Plagiobothrys hispidulus Frederick W. Oettinger 1969-7-9 938 Siskiyou Marble Mtn. Wilderness Area, NW of Upper English Lake 1799 Comment
  CHSC86662  Plagiobothrys tenellus Jenny Marr 1993-7-1 45 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC164110  Plagiobothrys tenellus Geo. D. Butler 1909-4-18 633 Siskiyou hills near Yreka Comment
  RSA105438  Plantago lanceolata G. D. Barbe 1955-7-1 74 Siskiyou 1.3 miles east of Etna on the Westside Rd. to Callahan. 854 Comment
  RSA237607  Plantago major Frederick W. Oettinger 1969-8-13 1359 Siskiyou Where stock are kept at English Lake main campsite. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  NY278426  Plantago shastensis E. L. Greene 1876-6-26 851 Siskiyou Collected near Yreka Comment
  HSC61827  Platanthera dilatata var. leucostachys Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  UC726466  Platanthera sparsiflora A. A. Heller 1919-6-29 13283 Siskiyou near Wagon Creek Falls Comment
  SEINET8531600  Plectritis macrocera G. D. Butler 1910-3-24 1139 Siskiyou Shasta River Hills Comment
  RSA31172  Poa A. A. Heller 1905-6-19 8070 Siskiyou Grenada Station, Along railroad Comment
  UC1025120  Poa Douglas Barbe 1955-8-5 362 Siskiyou at summit of trail from Big Flat to Caribou Lake (a point nw of Caribou Mt); Salmon Mts 2407 Comment
  UCD92192  Poa AHM 1955-7-27 55 E Siskiyou Klamath National Forest. Marble Mountains. Pierce's Draw Meadow. 1676 Comment
  HSC30565  Poa annua Frederick W. Oettinger 1969-8-24 1529 Siskiyou Marble Mtn. Wilderness Area, English Lake. 1936 Comment
  UCD90546  Poa bolanderi A. A. Heller 1914-8-28 11736 Siskiyou East side of Mt. Eddy. 2438 Comment
  UCR39784  Poa canbyi K. T. Stillman 1976-6-25 98 Siskiyou Between Marble Gap and Elk Valley Trail Comment
  CAS-BOT-BC255147  Poa cusickii subsp. epilis Alice Eastwood 1921-7-28 10932 Siskiyou Medicine Lake Comment
  JEPS105022  Poa cusickii subsp. epilis Dean W. Taylor 1996-7-26 15838 B Siskiyou Scott Mountains; Crater Lake, in cirque above upper lake (about 10 air mi W of Weed; Klamath National Forest; Klamath region 2316 Comment
  UCD90950  Poa cusickii subsp. epilis A. H. M. 1955-7-29 5500 Siskiyou Klamath National Forest, Marble Mountains. Clear Lake. 1798 Comment
  HSC65258  Poa pratensis J. P. Smith 1973-5-5 6427 Siskiyou Along Cook and Green Pass Rd. Comment
  CHSC91355  Poa pratensis subsp. pratensis Lowell Ahart; John Dittes 2005-6-10 12125 Siskiyou Near a poor dirt road, about 80 yards north of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  JEPS82443  Poa pratensis subsp. pratensis Gilbert Muth 1966-7-19 428 Siskiyou along first bluff Marble Gap Trail; Marble Mt Wilderness Area 1828 Comment
  CAS-BOT-BC247528  Poa pringlei A. A. Heller 1921-7-7 13566 Siskiyou Slope west of Wagon Creek, Mt. Eddy 2133 Comment
  UCD91770  Poa pringlei A. H. Murphy 1959-7-22 59 M Siskiyou Shasta National Forest. Summit between Bear Creek and Toad Lake. 2346 Comment
  UCD91986  Poa rhizomata G. L. Stebbins Jr.; A. A. Beetle 1942-5-31 3263 Siskiyou along Klamath River, 13 miles east of Hamburg. Comment
  CAS-BOT-BC237714  Poa secunda E. K. Balls 1950-5-17 14716 Siskiyou 1.5 miles NW of Schonchin Butte (along road to Merrill, Oregon) Lava Beds National Monument 1402 Comment
  POM228870  Poa secunda L. C. Wheeler 1935-5-11 3478 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 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-BC243221  Poa secunda subsp. secunda Roxana S. Ferris; Laura Lorraine 1948-6-12 11888 Siskiyou Scott Mountain Road S of Callahan Comment
  CAS-BOT-BC243222  Poa secunda subsp. secunda Roxana S. Ferris; Laura Lorraine 1948-6-12 11719 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], E fork of Scott River Comment
  HSC31099  Poa secunda subsp. secunda Frederick W. Oettinger 1969-8-3 1148 Siskiyou Salmon Mountains, ridge above Horse's Hole Pond near Horse Range Lake. 1982 Comment
  UCD90718  Poa secunda subsp. secunda Geo. D. Butler 1910-4-30 1249 Siskiyou Yreka. Comment
  UCD35442  Poa wheeleri Beecher Crampton 1956-8-22 3855 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2316 Comment
  JEPS84250  Polemonium californicum L. R. Heckard with J. Hickman et al. 1986-7-17 6517 Siskiyou n slope of Condrey Mt. 1960 Comment
  POM75059  Polemonium carneum Geo D. Butler 1909-4-28 737 Siskiyou McAdams Creek. Comment
  CAS-BOT-BC231354  Polemonium pulcherrimum A. A. Heller 1921-7-17 13577 Siskiyou At the summit of Mt. Eddy near the lookout station 2773 Comment
  JEPS60240  Polyctenium fremontii L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2300 Siskiyou on U.S. Highway 97 0.8 mi s Bray junction; Murphy Wells, s of Bray junction 1493 Comment
  OBI55528  Polygala cornuta var. cornuta David J. Keil, Kathleen Keil 1992-7-21 23517 Siskiyou Klamath Natl Forest SE of Callahan on hwy 3, 2.1 mi NW of Scott Mtn summit Comment
  POM299532  Polygala cornuta var. cornuta Marion Ownbey, Fred G. Meyer 1940-7-3 2164 Siskiyou 7 mi. northwest of McCloud. Comment
  UC570807  Polygala cornuta var. cornuta Dorothy Tebbe 1929-7-2 17 Siskiyou Donkey Camp Mount Eddy (roadside) Comment
  JEPS80505  Polygonum Gilbert Muth 1966-7-19 423 A Siskiyou Marble Mountain Wilderness Area, Horse pasture above camp Marble Mountain Wilderness Area 1798 Comment
  UC725828  Polygonum A. A. Heller 1925-7-25 13901 Siskiyou Shasta Valley near Edgewood; Shasta Valley Comment
  UC1101135  Polygonum amphibium var. stipulaceum Herbert L. Mason 1948-7-18 13613 Siskiyou Grass Lake Comment
  RSA12489  Polygonum bistortoides Carl B. Wolf 1934-7-4 5948 Siskiyou 6.8 miles from Dry Lake lookout on road to Horse Creek, Siskiyou Mountains. 1829 Comment
  UC454280  Polygonum bistortoides I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1828 Comment
  CAS-BOT-BC414395  Polygonum californicum Louis C. Wheeler 1934-6-21 2747 Siskiyou West Fork Cottonwood Creek, Siskiyou Mts. 1005 Comment
  JEPS84296  Polygonum davisiae L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6416 Siskiyou e slope of mt. town of Seiad Valley (ca 5 mi n, cirque at head of Hell's Canyon); Kangaroo Mountain 1828 Comment
  CAS-BOT-BC414591  Polygonum douglasii John Thomas Howell 1937-7-21 13165 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC414592  Polygonum douglasii Alice Eastwood 1921-7-28 10877 Siskiyou Medicine Lake Comment
  HSC58967  Polygonum douglasii G. L. Clifton 1975-7-28 5156 Siskiyou Near Cook and Green Pass 1646 Comment
  HSC74927  Polygonum douglasii J. P. Smith, Jennifer Whipple 1978-7-2 9978 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  POM280357  Polygonum douglasii George B. Grant 1906-7-25 7101 Siskiyou Lake Tahoe. Comment
  JEPS51298  Polygonum douglasii subsp. douglasii Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou near Mt. Shasta; Region of the Upper Sacramento, Sisson Comment
  CHSC86640  Polygonum douglasii subsp. johnstonii Jenny Marr 1993-7-1 23 Siskiyou Butte Valley Wildlife Area, +- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CHSC88094  Polygonum douglasii subsp. johnstonii Jenny Marr 1993-7-1 104 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  RSA598060  Polygonum douglasii subsp. spergulariiforme Louis C. Wheeler 1963-9-2 8331 Siskiyou Siskiyou Mountains. Near Bell Echo Camp, near Young's Valley, Clear Creek. 1402 Comment
  UC1540134  Polygonum newberryi Dean Wm. Taylor and Rexford E. Palmer 1987-8-8 9260 Siskiyou Lyons Peak Medicine Lake volcanic highland region (extreme nw section of county) 2407 Comment
  SD62053  Polygonum phytolaccifolium Darley F. Howe 1965-8-8 4127 Siskiyou Saddle, south of Little Gray Back Klamath National Forest 1402 Comment
  UC1408818  Polygonum phytolaccifolium Frederick W. Oettinger and R. F. Thorne 1969-8-7 1274 Siskiyou English Lake Salmon Mountains, Marble Mountain Wilderness Area (se end, w Siskiyou Co.) 1828 Comment
  CAS-BOT-BC420065  Polygonum polygaloides subsp. kelloggii Herbert L. Mason 1948-7-17 13599 Siskiyou Eastern Grass Lake Comment
  CHSC116260  Polygonum ramosissimum var. prolificum Barbara L. Wilson; Nick Otting 2014-6-16 18104 Siskiyou City of Weed. 1137 Comment
  RSA233674  Polygonum shastense Robert F. Thorne 1969-8-10 38987 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  SEINET3404053 Image available Polygonum shastense A. A. Heller 1920-8-12 13520 Siskiyou Spring above Horse Camp Comment
  HSC85689  Polygonum spergulariiforme J. P. Smith 1980-8-24 10351 Siskiyou Klamath National Forest; SR 3, 2.4 mi. from Scott Mtn. summit 1341 Comment
  HSC17549  Polygonum spergulariiforme Geo. D. Butler 1908-9-6 198 Siskiyou Upper field, Butler's Ranch near Yreka Comment
  RSA264962  Polygonum spergulariiforme E. Mark 1975-10-14 6199 Siskiyou Near Etna. 927 Comment
  UC70718  Polypogon monspeliensis T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UCD69129  Polystichum imbricans D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-14 s.n. Siskiyou Cecilville-Yoakumville. Cecilville Road. Klamath National Forest. Perennial plant communities on rocky slopes. 670 Comment
  HSC45877  Polystichum imbricans subsp. curtum J. P. Smith, J. O. Sawyer 1972-9-13 5783 Siskiyou 0.5 mi. W of Cook and Green Pass on road to Lily Pad Lake Comment
  CAS-BOT-BC76740  Polystichum imbricans subsp. imbricans Geo. D. Butler 1910-7-9 1693 Siskiyou Shackleford Creek 1219 Comment
  JEPS83824  Polystichum imbricans subsp. imbricans Wayne Roderick July 1976 Siskiyou near Lily Pad Lake (vicinity of Cook and Green Pass); Siskiyou Mts. 1828 Comment
  UC812658  Polystichum imbricans subsp. imbricans Louis C. Wheeler 1935-4-16 3421 Siskiyou Soap Creek; Siskiyou Mts. 1584 Comment
  CAS-BOT-BC72389  Polystichum lemmonii John Thomas Howell 1937-7-29 13668 Siskiyou North side of Scott Mt. Comment
  HSC27006  Polystichum lemmonii J. P. Smith, J. O. Sawyer 1972-9-12 5770 Siskiyou Scott Mtn., slopes E of Big Carmen Lake 1982 Comment
  RSA624979  Polystichum lemmonii L. C. Wheeler 1963-8-25 8272 Siskiyou South side of Preston Peak: Head Rattlesnake Creek. 1829 Comment
  CAS-BOT-BC76716  Polystichum lemmonii Galen Clarke s.n. Siskiyou Unspecified Comment
  UC1034653  Polystichum lemmonii Douglas Barbe 1955-7-26 287 Siskiyou below summit Scott Mt.; Klamath Mts. 1981 Comment
  UCSB17940  Polystichum lemmonii Hardham, Clare 1961-7-3 Siskiyou S of Calahan, Scott Mountains. Comment
  RSA183744  Polystichum lonchitis Gilbert Muth 1965-8-3 161 Siskiyou Salmon Mountains: the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness area; Marble Valley Comment
  HSC34471  Polystichum scopulinum A. M. Montalvo, J. D. Ackerman 1974-8-18 429 Siskiyou Ridge above chromium mine near Cyclone Gap and Copper Mtn. Siskiyou Mtns. 1829 Comment
  CAS-BOT-BC102400  Populus fremontii Frank Callahan 2007-5-1 s.n. Siskiyou Moffett Creek 883 Comment
  CAS-BOT-BC102772  Populus tremuloides E. G. Dudley 1907-8-16 s.n. Siskiyou Peak N. of Jackson Lake Comment
  HSC19175  Populus tremuloides J. O. Sawyer 1968-7-23 603 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  CAS-BOT-BC102771  Populus tremuloides W. R. Dudley 1899-8-11 s.n. Siskiyou near Butte Summit Comment
  SEINET10460782  Porterella carnosula H. W. Furlong Furlong s.n. Siskiyou Northern California, Summit to Ager; Ager is about 10 mile (airline) south of the Oregon border and about 11 miles (by road) north of Montague Comment
  UC1265462  Potamogeton berchtoldii Frederick W. Oettinger 1969-8-18 1417 Siskiyou at nw shore of Horse Range Lake (High Lake Basins in Vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1821 Comment
  UC1265461  Potamogeton berchtoldii Frederick W. Oettinger 1969-9-5 1684 Siskiyou 0.7 mi ne of Abbotts Lake (in Salamander Lake, High Lake Basins in Vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1790 Comment
  CHSC106102  Potentilla anserina subsp. anserina Lowell Ahart; John Dittes 2010-7-30 16940 Siskiyou About 5 yards south of the Shasta River, about 10 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  JEPS93889  Potentilla biennis Vernon H. Oswald and Lowell Ahart 1998-7-21 9341 Siskiyou 0.2 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake on s side of Tennant Road, on e side of intermittent stream draining Dry Lake); Tennant Road 1402 Comment
  UC1538958 Image available Potentilla cristae Marla A. Knight, Julie D. Knorr 1987-8-3 951 Siskiyou near summit Cory Peak; China Mt. Quad., near summit Cory Peak 2133 Comment
  JEPS60718  Potentilla flabellifolia Geo. D. Butler 1908-8-8 357 Siskiyou Marble Mountain Valley Camp 1676 Comment
  UC574866  Potentilla flabellifolia John Thomas Howell 1937-7-24 13398 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  UCR45421  Potentilla glandulosa subsp. glandulosa D. H. Norris 1970-5-23 12242 Siskiyou Along Klamath River at Ishi Pishi [Rd.] Bridge near Somes Bar 145 Comment
  RSA237628  Potentilla gracilis var. fastigiata Frederick W. Oettinger 1968-9-10 816 Siskiyou Horse Range Lake meadow. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  CAS-BOT-BC158533  Potentilla millefolia John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53379 Siskiyou 2.5 miles south of Grenada, Shasta Valley 762 Comment
  HSC4473  Primula suffrutescens William J. Ferlatte 1966-8-5 354 Siskiyou Caribou Mtn. 2470 Comment
  CAS-BOT-BC516393  Prosartes hookeri H. A. Thomas; J. H. Thomas 1954-7-22 4450 Siskiyou Near edge of Big Bend Creek, Salmon-Trinity Mts. about 6 miles SE of Cecilville, between Rush and Big Bend Creeks, 0.25-0.5 miles north of south Fork of Salmon River 975 Comment
  UC449932  Prunella vulgaris var. lanceolata Annie M. Alexander and Louise Kellogg 1911-7-16 248 Siskiyou S. Fk. Salmon R. <South Fork Salmon River> 1524 Comment
  CAS-BOT-BC158208  Prunus emarginata John Thomas Howell 1937-7-25 13449 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC158216  Prunus emarginata Doris K. Kildale 1929-7-20 8676 Siskiyou Raspberry Lake, near east spur Preston Peak Comment
  CAS-BOT-BC158217  Prunus emarginata Geo. D. Butler 1910-5-1 1256 Siskiyou Humbug Mt. Comment
  CAS-BOT-BC158219  Prunus emarginata Laura M. Lathrop 1903-7-16 s.n. Siskiyou Shasta Retreat Comment
  CAS-BOT-BC158226  Prunus emarginata A. A. Heller 1905-6-1 7929 Siskiyou On the banks of the Sacramento opposite Upper Soda Spring; Between Dunsmuir and Upper Soda Spring 731 Comment
  CAS-BOT-BC158227  Prunus emarginata Ella Dales Cantelow 1936-5-20 1401 Siskiyou Summit of Salmon Mt. 1818 Comment
  CAS-BOT-BC158229  Prunus emarginata W. R. Dudley 1899-8-13 s.n. Siskiyou Near Mud Creek, McCloud Comment
  CAS-BOT-BC158230  Prunus emarginata Geo. D. Butler 1908-8-26 537 Siskiyou Upper Camp, East side Saltum Mt. Comment
  CAS-BOT-BC158241  Prunus emarginata Wm. Bridge Cooke 1938-6-17 11011 Siskiyou Sisson Southern Trail Comment
  CAS-BOT-BC158242  Prunus emarginata Annetta Carter 1939-8-19 1455 Siskiyou 3.5 miles north of Dunsmuir 914 Comment
  JEPS44721  Prunus emarginata W. L. Jepson 1940-6-28 20058 Siskiyou McCloud 975 Comment
  OBI36627  Prunus emarginata David J. Keil 1983-7-3 17382 Siskiyou Sloes of Mt Shasta along Memorial hwy Comment
  RSA747164  Prunus emarginata Bonnie C. Templeton 1964-6-9 10066 Siskiyou Slope of Mt. Shasta Comment
  HSC43426  Prunus virginiana var. demissa Maralyn O'Meara 1974-5-26 448 Siskiyou Along Hwy. 3, 1/2 mi. NE of Fort Jones 854 Comment
  RSA15596  Prunus virginiana var. demissa Carl B. Wolf 1927-8-27 1111 Siskiyou On the Klamath River, Happy Camp. Comment
  RSA3386  Prunus virginiana var. demissa Carl B. Wolf 1931-9-2 2389 Siskiyou Near the fish hatchery at Mt. Shasta City (Sisson). Comment
  UC1281136  Prunus virginiana var. demissa H. E. McMinn 1931-6-27 2524 Siskiyou near Gottville River (Klamath); Klamath Comment
  CAS-BOT-BC357394  Pseudognaphalium microcephalum Wm. Bridge Cooke 1938-8-5 11452 Siskiyou Mount Shasta. Near MacBride Spring Comment
  CAS-BOT-BC357403  Pseudognaphalium microcephalum R. E. Frenkel 1964-10-2 919 Siskiyou On Everitt Memorial Highway, 4.7 miles north of McCloud River RR crossing, near Mount Shasta 1545 Comment
  RSA129185  Pseudoroegneria spicata subsp. spicata H. S. Yates 1936-6-21 5810 Siskiyou 2 miles N.W. of Paradise Cragg. Yreka 732 Comment
  RSA47994  Pseudoroegneria spicata subsp. spicata Roxana S. Ferris, Laura Lorraine 11795 Siskiyou Scott Mountain Road south of Callahan Comment
  UC143958  Pseudoroegneria spicata subsp. spicata Dr. E. B. Copeland 1903-7-4 3542 Siskiyou Klamathon; Pacific Coast, Klamathon Comment
  CAS-BOT-BC94479  Pseudostellaria jamesiana R. C. Wenk 2005-7-19 348 Siskiyou border between Siskiyou and Trinity Counties, National Forest Road 17, parking lot where Pacific Crest Trail crosses 2090 Comment
  CHSC88367  Psilocarphus oregonus Jenny Marr 1993-7-1 173 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC361903  Psilocarphus tenellus Louis C. Wheeler 1934-6-2 2605 Siskiyou Klamath National Forest. Cherry River, Klamath R. 518 Comment
  CHSC57  Pteridium aquilinum var. pubescens V. Holt 1932-7-19 Siskiyou Spring Hill. 1219 Comment
  HSC30661  Pteridium aquilinum var. pubescens Frederick W. Oettinger 1968-8-14 513 Siskiyou Marble Mountain Wilderness Area, near Tom Taylor Cabin 2027 Comment
  HSC465  Pterospora andromedea William J. Ferlatte 1966-8-3 285 Siskiyou Josephine Lake basin 1677 Comment
  JEPS59082  Pterospora andromedea Willis L. Jepson Jul 24 1894-Aug 10 1894 14667 Siskiyou Sisson's Comment
  UC1246760  Pteryxia terebinthina var. californica A. S. Barclay, R. D. Barbee and K. E. Blum 1962-7-10 1328 Siskiyou along Sacramento Creek, ca. 2 mi SW of town of Mt. Shasta Comment
  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
  UC1738836  Puccinellia nuttalliana Dean W. Taylor 1987-8-9 9288 Siskiyou along Highway 161 8.3 mi W of Hwy 139, Lower Klamath Lake National Wildlife Refuge 1249 Comment
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Oct 8 2007
  CHSC8611  Purshia tridentata G. Smalley 1967-7-15 Siskiyou Collected ca. 10 miles e of Fort Jones. 1371 Comment
  HSC19589  Purshia tridentata var. tridentata D. M. Thomson 1965-6-11 76 Siskiyou Lava Beds National Monument, Tichnor Rd. 1.0 mi. from Medicine Lake Rd. Comment
  HSC60169  Purshia tridentata var. tridentata J. P. Smith 1976-5-22 8780 Siskiyou Callahan Rd. along the E side of Scott Valley 1037 Comment
  RSA208916  Purshia tridentata var. tridentata Theadore H. Mortenson 1968-8-3 1525 Siskiyou Near McBride Springs Campground just off Hwy 99 on Everitt Memorial Hwy. 5 miles E of Mt Shasta City Comment
  UC1096826  Purshia tridentata var. tridentata Milo S. Baker 1957-6-15 13103 Siskiyou road cut just s Weed; North Coast Ranges Comment
  RSA1187  Purshia tridentata var. tridentata B. D. Stark 1929-7-25 1390 Siskiyou 2 miles N of Sawyers Camp. Klamath River. 152 Comment
  HSC43038  Pyrola aphylla J. O. Sawyer, Ken Stillman 1976-7-2 2811 Siskiyou Ridges E of the Little N Fork Trail 732 Comment
  CAS-BOT-BC460865  Pyrola aphylla Ira L. Wiggins 1955-7-23 13463 A Siskiyou Ridge W of China Creek, S side of S Fork of Salmon River 960 Comment
  SBBG30606  Pyrola asarifolia D. Myrick 1968-6-28 2054 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk, Trinity Alps 1524 Comment
  UC1408766  Pyrola asarifolia Frederick W. Oettinger 1968-8-7 441 Siskiyou The High Lake Basins in the Vicinity of English Peak Marble Mountain Willderness Area, Tabacco Lake 1889 Comment
  HSC23584  Pyrola asarifolia subsp. asarifolia J. O. Sawyer 1970-7-3 2312 Siskiyou W of camp 3 1524 Comment
  HSC69415  Pyrola dentata John Palmer 1980-7-23 565 Siskiyou Past Elbow Springs at end of USFS Rd. 15N19 1220 Comment
  HSC22456  Pyrola dentata J. O. Sawyer 1969-9-11 2034 Siskiyou Midslope above C.C.C. Rd. 1280 Comment
  CHSC1411  Pyrola picta V. Holt 1932-7-25 Siskiyou Castle Lake. 1950 Comment
  HSC19197  Pyrola picta J. O. Sawyer 1968-6-18 202 Siskiyou Above S Russian Creek, below the Blake's Fork confluence. 1463 Comment
  HSC19203  Pyrola picta J. O. Sawyer 1968-7-2 357 Siskiyou Upper drainage of Joe Creek on steep N facing slopes. 1677 Comment
  UC1408767  Pyrola picta Frederick W. Oettinger 1968-8-7 439 Siskiyou just n of Tobacco Lake (High Lake Basins in vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  CAS-BOT-BC466308  Pyrola picta C. L. Hitchcock; J. S. Martin 1939-7-8 5301 Siskiyou 15 miles No of Happy Camp on Happy Camp--Takilma Hwy 914 Comment
  CHSC88104  Pyrrocoma lanceolata Jenny Marr 1993-7-1 114 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS97186  Pyrrocoma racemosa var. pinetorum Julie Kierstead Nelson with Maria Ulloa-Cruz 1995-8-22 95022 Siskiyou northern foothills of The Eddys, along Parks Creek Road (Rd. 17) 2.2 mi above junction with Stewart Springs Rd. Shasta-Trinity National Forests, Mt. Shasta Ranger District Comment
  HSC67727  Quercus chrysolepis John Palmer 1980-8-12 691 Siskiyou SE of Ward's Gap. 1189 Comment
  SFV5114  Quercus garryana B. C. Templeton 1957-6-21 s. n. Siskiyou North of Callahan Comment
  CAS-BOT-BC62754  Quercus garryana var. breweri John Thomas Howell 1934-7-4 12383 Siskiyou lava beds between Timbered Crater and Little Hot Springs Valley Comment
  UC1281100  Quercus garryana var. breweri H. E. McMinn 1931-6-26 2505 Siskiyou Comment
  UCD14457  Quercus garryana var. breweri Dean W. Taylor 1972-7-1 1565 Siskiyou California, Siskiyou Co.; 0.5 mi. east of Cook and Green Pass; T 47N, R 11W, Sect. 8, NE quarter of NE quarter; 1371 Comment
  RSA571660  Quercus garryana var. garryana Louis C. Wheeler 1934-10-7 3312 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mtns, Klamath River. 671 Comment
  CAS-BOT-BC105465  Quercus kelloggii Alice Eastwood 1923-5-20 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC105475  Quercus kelloggii Geo. D. Butler 1910-4-16 1183 Siskiyou Klamath River Comment
  HSC40047  Quercus kelloggii J. O. Sawyer 1970-7-14 2355 Siskiyou S side of Bear Mtn. 1707 Comment
  POM166638  Quercus kelloggii E. B. Copeland 1903-7-14 3521 Siskiyou Klamathon. Comment
  RSA293148  Quercus kelloggii J. P. Smith, Steve Selva 1970-7-17 4431 Siskiyou Along Klamath River. Comment
  HSC69300  Quercus sadleriana Maralyn A. Renner 1980-7-24 1989 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  JEPS37659  Quercus sadleriana W. I. Follett 1936-5-26 52 Siskiyou 16.4 mi nw Happy Camp; Indian Creek 1066 Comment
  JEPS80590  Quercus sadleriana Gilbert Muth 1966-8-5 501 Siskiyou Black Mt. Trail Marble Mt. Wilderness Area 1798 Comment
  RSA183494  Quercus sadleriana Sandra Holloway 1963-10-12 77 Siskiyou Junction Red Rock Valley trail and Canyon Creek trail, Marble Mountain Wilderness Area. 1341 Comment
  RSA184760  Quercus sadleriana Gilbert Muth 1966-8-5 501 Siskiyou Meadow on Black Mountain Trail, Marble Mountain. 1799 Comment
  UCD47231  Quercus sadleriana T. H. Harris 1951-6-1 s.n. Siskiyou Happy Camp. 1371 Comment
  UCR55551  Quercus sadleriana S. L. Holloway 1963-10-12 77 Siskiyou Marble Mountain Wilderness Area, junction of Red Rock Valley trail and Canyon Creek trail. 1341 Comment
  CAS-BOT-BC104643  Quercus vacciniifolia Edward Lee 1934-8-13 1066 Siskiyou Happy Camp to Waldo (Oregon) road, watershed of West Branch of Indian Creek, Klamath National Forest Comment
  HSC69427  Quercus vacciniifolia John Palmer 1980-7-23 564 Siskiyou Past Elbow Springs at end of USFS Rd. 15N19 1220 Comment
  JEPS94649  Quercus vacciniifolia Vernon H. Oswald and Lowell Ahart 1998-8-3 9446 Siskiyou Rock Fence Lake Rd. (USFS 41N18) 0.1 mi ne intersection with Kangaroo Lake Rd. (USFS 41N08) (4.9 mi se of Gazelle-Callahan Rd.) 1676 Comment
  RSA237786  Quercus vacciniifolia Frederick W. Oettinger 1968-8-13 507 Siskiyou Northeast side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UC1731566  Raillardella pringlei Glenn L. Clifton 1992-9-11 27384 Siskiyou Gumboot Creek North Coast Ranges (headwaters of South Fork Sacramento River, (Seven Lakes Basin 7 1/2' quadrangle) 1905 Comment
  CAS-BOT-BC380413  Ranunculus alismifolius var. hartwegii Alice Eastwood 1921-7-28 10927 Siskiyou Medicine Lake Comment
  SEINET3160893  Ranunculus canus G. D. Butler 1910-4-19 1199 Siskiyou near Yreka Comment
  SEINET3160969  Ranunculus flammula var. reptans G. D. Butler 1910-7-12 1741 Siskiyou Shackleford Creek 1219 Comment
  JEPS60681  Ranunculus glaberrimus Milo S. Baker 1933-4-10 7350 Siskiyou Pacific Hwy 2 mi s Yreka; Pine Grove Auto Camp Comment
  UC165304  Ranunculus occidentalis Geo. D. Butler 1909-3-20 568 Siskiyou near Scott River Comment
  POM268378  Ranunculus occidentalis var. eisenii Frank W. Gould 1940-5-15 s.n. Siskiyou Bald Mtn on road from Mt. Hebron to Montague 1677 Comment
  POM126445  Rhamnus californica subsp. occidentalis A. M. Alexander, Louise Kellogg 1911-7-16 244 Siskiyou S F Salmon River. 1524 Comment
  CAS-BOT-BC56114  Rhamnus ilicifolia L. E. Detling 1950-6-10 6620 Siskiyou Shasta R. Canyon, nr. Dry Gulch 777 Comment
  POM283029  Rhamnus ilicifolia Lyman Benson 1929-3-27 1076 Siskiyou Rocky slopes by Klamath River, Pacific Hwy Comment
  UC1409293  Rhamnus purshiana Frederick W. Oettinger 1968-8-23 617 Siskiyou midway down the steep spillway from Diamond Lake to Upper English Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness, English Peak 1920 Comment
  UC163696  Rhamnus purshiana Geo. D. Butler 1908-8-8 23 Siskiyou Marble Valley Comment
  POM136602  Rhamnus rubra H. M. Hall, E. B. Babcock 1903-06 s.n. Siskiyou Head of McCloud River Comment
  UC54506  Rhamnus rubra H. M. Hall and E. B. Babcock Jun 1903 4122 Siskiyou Head of McCloud River Mount Shasta 1524 Comment
  CAS-BOT-BC53736  Rhododendron columbianum Dorothy Parker 1959-7-20 738 Siskiyou Below Rock Fence Lake 1981 Comment
  CAS-BOT-BC53738  Rhododendron columbianum Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou A ledum swamp just below Mumbo Lake, Trinity Mts. 1828 Comment
  CAS-BOT-BC200403  Rhododendron occidentale var. paludosum A. A. Heller 1905-6-1 7948 Siskiyou Along the Sacramento opposite Upper Soda Spring Comment
  HSC68677  Rhododendron occidentale var. paludosum Maralyn A. Renner 1980-7-4 1433 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  UC1174944  Rhus trilobata P. C. Everett and E. K. Balls 1959-10-24 23945 Siskiyou 7 mi sw from Red Bank F. S. Camp ( on road from Sawyers Bar to Somesbar) Comment
  CHSC4532  Ribes J. E. Bowlin 1967-7-18 42 Siskiyou Ca. 3.4 mi w of Mount Shasta Ski Bowl. On side of road in chapperal, and brush. 2164 Comment
  CAS-BOT-BC438004  Ribes L. B. Kildale 1929-5-26 9192 Siskiyou Salmon River at Hawkin Car 609 Comment
  UC1222380  Ribes binominatum Joseph P. Tracy 1951-6-16 19499 Siskiyou at crossing of Takilma-Happy Camp Road (summit of Siskiyous); Siskiyous Comment
  CAS-BOT-BC108769  Ribes cereum Alice Eastwood 1912-7-19 1247 Siskiyou Mount Shasta. Comment
  LA205410  Ribes cereum Louis C. Wheeler; 1934-6-29 2825 Siskiyou Siskiyou Mountains, Soda Creek, Sterling Mountain 1280 Comment
  SBBG28485  Ribes cereum A. A. Heller 1938-7-12 Siskiyou US Hwy 97, 8 mi N of Weed Comment
  SEINET515844  Ribes cereum Vernon Oswald 1997-7-28 8802 Siskiyou Forest Route 15 near Grasshopper Flat, 3.9 mi. S of Medicine Lake Road. 1701 Comment
  UC1096827  Ribes cereum Wagnon 1957-8-11 1704 Siskiyou 1 mi w Military Pass Rd. (along rd. to Brewer's Creek, w slope of Mt. Shasta); North Coast Ranges, Mt. Shasta Comment
  UC858417  Ribes cereum Frank W. Gould 1940-5-15 1254 Siskiyou on road from Mt. Hebron to Montague; Bald Mountain 1676 Comment
  CAS-BOT-BC108766  Ribes cereum 1940-6-2 s.n. Siskiyou West of Indian Wells Ranger Station. Comment
  CAS-BOT-BC108767  Ribes cereum Ella Dales Cantelow 1938-7-2 2369 Siskiyou 12.5 miles east of Sierra City. Comment
  CAS-BOT-BC168860  Ribes inerme var. klamathense L. E. Smith 1913-5-4 251 Siskiyou Hornbrook Comment
  HSC64667  Ribes inerme var. klamathense J. O. Sawyer 1977-7-7 3041 Siskiyou N of Sugar Creek on Hwy. 3, Scott Valley 976 Comment
  CAS-BOT-BC168874  Ribes inerme var. klamathense Geo. D. Butler 1910-4-9 1160 Siskiyou Ditch bank Yreka Comment
  CAS-BOT-BC173293  Ribes lacustre T. H. Harris 1951-6-1 s.n. Siskiyou Indian Creek, Happy Camp 1066 Comment
  HSC19429  Ribes lacustre J. O. Sawyer 1968-7-23 577 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  HSC62282  Ribes lacustre Al Hobart 1968-6-20 Siskiyou Youngs Valley Comment
  JEPS86078  Ribes lacustre Wayne Roderick 1966-6-26 Siskiyou Cook and Green Pass 1371 Comment
  UC165924  Ribes lacustre Geo. D. Butler 1908-8-8 263 Siskiyou Marble Valley Comment
  CAS-BOT-BC6179  Ribes nevadaense Alice Eastwood 1893-8-13 s.n. Siskiyou Mt. Shasta Comment
  CAS-BOT-BC219260  Ribes nevadense John Thomas Howell 1937-7-26 13528 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC219264  Ribes nevadense A. A. Heller 1915-8-26 12244 Siskiyou Wagon Creek at the foot of Mount Eddy 1127 Comment
  CAS-BOT-BC219270  Ribes nevadense Alice Eastwood 1921-7-24 10777 Siskiyou Castle Lake Comment
  CAS-BOT-BC219274  Ribes nevadense A. A. Heller 1905-6-5 7967 Siskiyou Near Shasta Springs Comment
  HSC98217  Ribes nevadense J. O. Sawyer 1969-7-9 1227 Siskiyou SE facing slope above South Sugar Lake 1890 Comment
  JEPS49284  Ribes nevadense Willis L. Jepson 1894-8-4 13520 Siskiyou half-way up from Cedar Spring to Horse-Camp; Mt. Shasta Comment
  RSA0023155  Ribes nevadense Chadwick, Mrs. Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  RSA0022722  Ribes nevadense var. glaucescens A. A. Heller 1915-8-26 12244 Siskiyou Wagon Creek at the foot of Mt. Eddy. 1128 Comment
  UC75474  Ribes roezlii Milo S. Baker 1896-8-1 133 Siskiyou Payne's Springs 1981 Comment
  CAS-BOT-BC199983  Ribes roezlii var. cruentum Wm. F. Herrin 1918-5-15 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC200010  Ribes roezlii var. cruentum Doris K. Kildale 1929-8-25 9097 Siskiyou Wiskey Lake, trail to Preston Peak 1524 Comment
  HSC69389  Ribes sanguineum var. sanguineum Maralyn A. Renner 1980-8-31 2661 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  RSA0019712  Ribes velutinum Robert F. Thorne, James Henrickson, C. W. Tilforth 1969-9-3 39015 Siskiyou Lava Beds National Monument, near Fleener Chimneys. 1524 Comment
  CAS-BOT-BC168796  Ribes viscosissimum John M. Tucker 1963-7-7 3710 Siskiyou In vicinity of Paradise Lake, at the base on east side of Kings Castle, Marble Mountain Wilderness Area 1981 Comment
  CAS-BOT-BC168797  Ribes viscosissimum H. A. Thomas; J. H. Thomas 1954-7-24 4488 Siskiyou Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville, Salmon - Trinity Mts. 1981 Comment
  CAS-BOT-BC168799  Ribes viscosissimum Gilbert Muth 1966-7-17 380 Siskiyou Along trail to Marble Mountain Lookout, Marble Mts. 1813 Comment
  RSA597966  Romanzoffia sitchensis Louis C. Wheeler 1963-8-31 8321 Siskiyou Siskiyou Mountains. Devil's Punch Bowl off Clear Creek. 1524 Comment
  HSC74818  Rorippa curvisiliqua J. P. Smith, J. O. Sawyer 1978-7-3 9998 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  CAS-BOT-BC146736  Rosa gymnocarpa A. A. Heller 1915-8-24 12203 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC146737  Rosa gymnocarpa Gilbert Muth 1966-7-29 466 Siskiyou Marble Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC146739  Rosa gymnocarpa Alice Eastwood 1912-8-28 1936 Siskiyou Cantara Comment
  HSC24700  Rosa gymnocarpa J. O. Sawyer 1969-6-11 829 Siskiyou Lower slope near C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  HSC67674  Rosa gymnocarpa John Palmer 1980-7-24 595 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  UC164424  Rosa gymnocarpa Geo. D. Butler 1910-5-30 1437 Siskiyou Humbug Mountain 1219 Comment
  UC914728  Rosa gymnocarpa A. A. Heller 1915-8-24 12203 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  CAS-BOT-BC147052  Rosa pisocarpa Alice Eastwood 1917-9-2 6686 Siskiyou Shasta Springs Comment
  CAS-BOT-BC147060  Rosa pisocarpa A. A. Heller 1915-7-18 12112 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  CAS-BOT-BC147074  Rosa pisocarpa A. A. Heller 1919-6-27 13254 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  HSC44578  Rosa pisocarpa Laura Witherspoon 1977-7-30 Siskiyou W edge of Flint Valley 1341 Comment
  RSA78997  Rosa pisocarpa E. K. Balls, Percy C. Everett 1952-10-13 18185 Siskiyou 3.6 miles SW of turn off to Ney Springs on road from town of Mt. Shasta to Castle Lake. 1524 Comment
  UC454962  Rosa pisocarpa subsp. pisocarpa I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake Comment
  UC637066  Rubus leucodermis Edward Lee 1934-8-15 1133 Siskiyou near Summit of Happy Camp to Waldo (Oregon) road, Indian Creek watershed, Klamath National Forest 1584 Comment
  UC60928  Rubus ursinus Geo. B. Grant September 1902 5280 Siskiyou Mount Shasta 0 Comment
  SJSU2579  Rudbeckia klamathensis H. L. Buckalew 1962-7-12 Siskiyou near Poker Flat c. 2 mi W of Junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts 1143 Comment
  CAS-BOT-BC95037  Rumex acetosella R. C. Wenk 2005-7-16 255 Siskiyou Trinity Alps, S Fork of the Salmon River, S end of Big Flat Meadow 1499 Comment
  HSC28668  Rumex acetosella Frederick W. Oettinger 1967-8-13 259 Siskiyou Salmon Mountains; High Lake Basins in the vicinity of English Peak, Marble Mountains Wilderness Area, SE of Tom Taylor Cabin 2043 Comment
  UC375325  Rumex conglomeratus Geo. D. Butler 1908-7-5 514 Siskiyou near Yreka Comment
  CAS-BOT-BC433403  Rumex crispus W. B. Cooke; V. G. Cooke; Bob Frenkel 1963-7-12 34325 Siskiyou Memorial Highway below McBride Springs, Mt. Shasta Comment
  JEPS3041  Rumex occidentalis Willis L. Jepson Jul 24 1894-Aug 10 1894 14852 Siskiyou Sisson Upper Sacramento Region, Strawberry Valley Comment
  UCD101600  Rumex salicifolius Rolf Y. Berg 1964-7-15 8269 Siskiyou Seiad Valley. W of Cook and Green Pass and above Lily Pad Lake. Comment
  JEPS39903  Rumex salicifolius var. denticulatus W. L. Jepson 1937-7-30 18534 Siskiyou near Poker Flat; Summit Siskiyou Mts. 1554 Comment
  JEPS93888  Rumex salicifolius var. salicifolius Vernon H. Oswald and Lowell Ahart 1998-7-21 9346 Siskiyou 0.2 mi se of Old State Highway to Bray (ne of Weed and e of Grass Lake on the s side of Tennant Road, and on e side of intermittent stream draining Dry Lake); Tennant Road 1402 Comment
  JEPS38484  Salix W. L. Jepson 1907-7-22 2952 Siskiyou Burhart's Ranch Hamburg; Klamath River, , Burhart's Ranch Comment
  HSC28670  Salix eastwoodiae Frederick W. Oettinger 1968-8-2 364 Siskiyou Marble Mtn. Wilderness Area, E outlet of Diamond Lake 2073 Comment
  POM208526  Salix eastwoodiae Louis C. Wheeler 1934-8-9 3083 Siskiyou Siskiyou Mountains: Head of Jaynes Canyon. 1982 Comment
  LA208557  Salix exigua var. exigua W. B. C.; 1940-6-20 15157 Siskiyou along the Pacific Highway in the Klamath River gorge 609 Comment
  UC54763  Salix exigua var. hindsiana P. E. Goddard 1901-8-4 150 Siskiyou Klamath River Comment
  CAS-BOT-BC107788  Salix hindsiana Doris K. Kildale 1928-7-25 5867 Siskiyou Between Gottsville & Brown's Resort on Klamath River Comment
  POM107037  Salix laevigata Geo. D. Butler 1909-9-20 1084 Siskiyou Yreka Creek. Comment
  RSA610755  Salix laevigata Louis C. Wheeler 1935-5-11 3472 Siskiyou Klamath River at Ash Creek; Siskiyou Mountains. 610 Comment
  UC375227  Salix laevigata Geo. D. Butler 1909-9-20 1084 Siskiyou along creek near Yreka Comment
  UC481727  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1931-6-21 474 Siskiyou ca. 13 km. n.w. of Shasta City (1.3 km. e. of Burney Mill, at bridge, n. base Mt. Eddy); Mt. Eddy 1110 Comment
  UC482253  Salix lasiandra subsp. lasiandra Mrs. H. P. Bracelin 1931-6-19 424 Siskiyou ca. 16 km. n.w. Shasta City (stream above Metcalf ranch house, n.e. side Mt. Eddy); Mt. Eddy 1425 Comment
  CAS-BOT-BC125453  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-21 473 Siskiyou North base of Mount Eddy, about 13 km. northwest of Shasta City; about 1.3 km. east of Burney Mill 1110 Comment
  CAS-BOT-BC125478  Salix lasiandra var. lasiandra L. E. Smith 1914-5-5 652 Siskiyou Sisson Comment
  UCD111542  Salix lasiandra var. lasiandra Beecher Crampton 1969-6-19 8474 Siskiyou 1 mile north of Edgewood along the Shasta River. Comment
  POM219903  Salix lasiolepis H. P. Bracelin 1931-6-21 469 Siskiyou N side of Mt Eddy. About 21 km NW of Shasta City. 1650 Comment
  SD898  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou North Side of Mount Eddy, about 21 km northwest of Shasta City, meadow 300 m below Dobkin's Lake 1650 Comment
  UC576391  Salix lasiolepis Mrs. H. P. Bracelin 1935-9-3 854 Siskiyou 11 mi. n.w. from Mt. Shasta City (ca. 2 mi. e. of Burney Mill, n. base Mt. Eddy, flat beside creek at second bridge); n. base Mt. Eddy 1127 Comment
  CAS-BOT-BC126148  Salix scouleriana John Thomas Howell 1939-8-5 15080 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  POM107277  Salix scouleriana Geo. D. Butler 1910-4-3 1155 Siskiyou Humbug Mtn Comment
  SD877  Salix scouleriana Mrs. H. P. Bracelin 1931-6-21 472 Siskiyou North base of Mount Eddy, about 13 km northwest of Shasta City, at bridge about 1.3 km east of Burney Mill 1110 Comment
  UC576379  Salix scouleriana Mrs. H. P. Bracelin 1936-9-3 858 Siskiyou 11 mi. n.w. Shasta City (ca. 2 mi. e. of Burney Mill, at second bridge, n. base Mt. Eddy); n. base Mt. Eddy 1127 Comment
  UCR129339  Salvia pratensis C. S. Giebner 1968-7-29 s.n. Siskiyou E.H. Marlow property, Greenhorn Valley, c. 2 miles west of Yreka 274 Comment
  UC144539  Salvia sonomensis A. A. Heller 1905-6-16 8044 Siskiyou near Sisson Comment
  CAS-BOT-BC238881  Sambucus nigra subsp. caerulea John Thomas Howell 1934-7-4 12409 Siskiyou Unspecified Comment
  CAS-BOT-BC238882  Sambucus nigra subsp. caerulea Gilbert Muth 1965-8-2 s.n. Siskiyou 1/2 between Gate & Lower Sky High Lakes Comment
  HSC22460  Sambucus racemosa var. racemosa J. O. Sawyer 1969-7-18 1371 Siskiyou E of Waterdog Lake 2012 Comment
  UC54364  Sanguisorba annua H. M. Hall and E. B. Babcock June, 1903 4046 Siskiyou at 18th crossing near Sisson (Mount Shasta); Sierra Nevada Mountains, , at 18th crossing 1036 Comment
  UC1037445  Sanguisorba minor subsp. muricata Douglas Barbe 1955-7-5 97 Siskiyou on French Creek 11 mi s Etna; Klamath Mountains, s of Etna on French Creek 1066 Comment
  RSA78810  Sanicula graveolens P. A. Munz 1952-7-2 17884 Siskiyou Road to Baldy Mt., northwest of Happy Camp, Siskiyou Mts. 1494 Comment
  UCR37841  Sanicula graveolens L. P. Janeway 1983-8-6 493 Siskiyou Poker Flat. W part of lower portion of meadow 1529 Comment
  CDA23527  Sarcobatus vermiculatus F. D. Horn 1977-10-4 Siskiyou Along Ager-Beswick Road at Soda Springs, 16 airline kilometers east of Hornbrook. 0 Comment
  HSC24696  Sarcodes sanguinea J. O. Sawyer 1969-6-12 884 Siskiyou Ridge SE of Eaton Lake 2226 Comment
  UC1733718  Saxifraga Kay H. Beach, Frank Gould 1940-5-15 630 Siskiyou Bull Meadows Comment
  RSA60659  Saxifraga aprica I. L. Wiggins 1950-5-28 12387 Siskiyou 0.3 mile W of Carmen Lake. 1707 Comment
  UC1053439  Saxifraga californica Rimo Bacigalupi, and Arthur Holmgren 1950-4-24 3135 Siskiyou opposite town Dunsmuir (directly opposite railroad shops, along Sacramento River, e side of canyon); cliffs along Sacramento River Comment
  RSA120760  Saxifraga nidifica var. nidifica S. S. Tillett 1956-7-9 646 Siskiyou Scott Mtn, Siskiyou-Trinity County line, 8 miles SE of Callahan. 1921 Comment
  JEPS25649  Saxifraga odontoloma Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7289 Siskiyou beside rill at Poker Flat 1536 Comment
  POM298393  Saxifraga tolmiei Lester Rowntree 1939-7-31 s.n. Siskiyou Caribou Lake. Comment
  HSC64879  Saxifragopsis fragarioides D. L. Goforth 1979-7-19 269 Siskiyou Caribou Lakes Basin, .5 mi. S of upper lake 2195 Comment
  JEPS84192  Saxifragopsis fragarioides L. R. Heckard with J. Hickman et al. 1986-7-17 6508 Siskiyou e Condrey Mt. (slopes of Alex Hole); e of Condrey Mt., slopes of Alex Hole 1930 Comment
  UC702903  Saxifragopsis fragarioides Lester Rowntree 1937-7-21 Siskiyou Caribou Lake Comment
  CAS-BOT-BC239857  Schedonnardus paniculatus D. H. Shaw 1980-8-5 s.n. Siskiyou Don Shaw property, Ager Road, Montague Comment
  RSA239119  Schedonorus pratensis Frederick W. Oettinger 1969-8-16 1402 Siskiyou Wire Grass Meadow above English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  JEPS124491  Schoenoplectus acutus var. occidentalis Daniel Slakey 2015-7-14 164 Siskiyou Along Ager-Beswick Road, approximately 5 miles from Copco Lake. Comment
  CAS-BOT-BC111665  Schoenoplectus pungens var. badius D. E. Breedlove 1962-6-10 3324 Siskiyou On the north bank of the Klamath River at its junction with Goff Creek. 411 Comment
  JEPS63801  Scirpus acutus var. occidentalis B. C. Goldsmith 1916-8-21 16 Siskiyou Gazelle Shasta Valley, Gazelle Comment
  HSC19543  Scirpus congdonii J. O. Sawyer 1969-7-18 1412 Siskiyou Head of S Russian Creek 1829 Comment
  HSC63479  Scirpus congdonii M. A. Baker 1979-7-31 1091 Siskiyou Marble Mtn. Wilderness Area, head of Tickner Hole 1750 Comment
  POM211514  Scirpus congdonii L. C. Wheeler 1934-8-14 3126 Siskiyou North side White Mountain; Siskiyou Mountains. Mt. Diablo Mer. 1767 Comment
  RSA238938  Scirpus congdonii Frederick W. Oettinger 1968-9-6 740 Siskiyou At Bear Meadow mid-way along a straight line between English Peak and Tom Taylor cabin, at the head of Snowslide Gulch. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  CAS-BOT-BC111094  Scirpus microcarpus Alice Eastwood 1912-7-21 1289 Siskiyou Sisson Comment
  HSC33327  Scirpus microcarpus William J. Ferlatte 1974-7-14 1530 Siskiyou Big Flat near S Fork of Salmon River, W of campground 1509 Comment
  CAS-BOT-BC5855  Scorzonella pratensis Edward Lee Greene 1876-6-23 883 Siskiyou Yreka Comment
  SEINET3160652  Scrophularia californica G. D. Butler 1910-5-22 1383 Siskiyou Yreka Creek Comment
  JEPS9919  Scrophularia lanceolata Geo. D. Butler 1908-7-9 524 Siskiyou along creek near Yreka Comment
  UC164350  Scrophularia lanceolata Geo. D. Butler 1910-5-22 1383 Siskiyou Yreka Creek Comment
  CHSC75723  Scutellaria antirrhinoides Vernon H. Oswald; Lowell Ahart 1999-7-5 9823 Siskiyou Hwy. 3 on Scott Mtn. 5.9 mi southwest of Gazelle-Callahan Hwy., 0.6 mi northwest of the highway summit. 1569 Comment
  JEPS81648  Scutellaria antirrhinoides L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2314 Siskiyou between the Sacramento and McCloud arms of Shasta Lake (near Fall Creek Inn along Gilman Road) 396 Comment
  CAS-BOT-BC214258  Scutellaria nana Wm. Bridge Cooke 1940-7-26 15370 Siskiyou South side of Diller Canyon, Mount Shasta 2743 Comment
  SBBG6520  Scutellaria siphocampyloides H. and M. Dearing 1939-6-3 3532 Siskiyou near Scott Bar Comment
  UC1585427  Sedum R. Raiche, K. Zadnik, and H. Forbes 1989-10-3 UCBG 39 Siskiyou on Seiad Valley Rd. 10.5 km n Hwy 96 (toward Cook and Green Pass, Seiad Valley area, ridge at junction between the West and East Forks of Seiad Creek); Seiad Valley area, btwn West and East Forks Seiad Creek 975 Comment
  HSC61169  Sedum divergens Al Hobart 17 Jul [year missing] Siskiyou El Capitan Comment
  CAS-BOT-BC59186  Sedum lanceolatum John Thomas Howell 1966-7-25 15170 A Siskiyou Black Mt., Marble Mts. Comment
  HSC40493  Sedum laxum subsp. heckneri J. O. Sawyer 1973-7-16 2545 Siskiyou Along Big Meadow Creek 1128 Comment
  JEPS26673  Sedum obtusatum subsp. boreale Lauramay T. Dempster 1961-7-1 1841 Siskiyou along ridge from Condrey Peak to White Mountain; along ridge fr Condry Peak to White Mountain Comment
  CHSC96024  Sedum obtusatum subsp. obtusatum L. P. Janeway 2006-7-4 8798 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  RSA264940  Sedum oregonense Gilbert Muth 1975-7-31 5361 Siskiyou Near Kangaroo Mountain, near Seiad Valley. 1919 Comment
  CAS-BOT-BC503091  Sedum oregonense Doris K. Kildale 1929-7-20 8585 Siskiyou Southeast spur, Preston Peak 1950 Comment
  RSA0083647  Sedum oregonense Frederick W. Oettinger 1968-9-7 770 Siskiyou NW-facing slope of Golden Peak, due SE of Tobacco Lake and at approx. mid slope. 2012 Comment
  CAS-BOT-BC64097  Sedum radiatum subsp. depauperatum John H. and Hazelle A. Thomas 1954-7-21 4414 Siskiyou Trinity mts. About 6 miles SE of Cecilville. West side of Rush Ck. 1158 Comment
  CAS-BOT-BC64098  Sedum radiatum subsp. depauperatum John H. and Hazelle A. Thomas 1954-7-21 4414 Siskiyou Trinity mts. About 6 miles SE of Cecilville. West side of Rush Ck. 1158 Comment
  JEPS83985  Sedum stenopetalum L. R. Heckard with J. Hickman, S. D'Alcamo 1986-7-17 6485 Siskiyou w ridge Copper Butte (e of Cook and Green Pass); w ridge Copper Butte, e of Cook and Green Pass 1554 Comment
  RSA237787  Selaginella densa var. scopulorum Frederick W. Oettinger 1968-9-3 680 Siskiyou West of Horse Range Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area; 1905 Comment
  CAS-BOT-BC363421  Senecio aronicoides Wm. Bridge Cooke 1938-6-17 11013 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  CAS-BOT-BC363422  Senecio aronicoides Wm. Bridge Cooke 1938-6-17 11013 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  UC128665  Senecio aronicoides A. A. Heller 1905-6-15 8029 Siskiyou near Sisson Comment
  UCD135525  Senecio aronicoides R. Tofsrud; J. M. Tucker 1948-8-2 1763 Siskiyou Panther Meadows, south slope of Mt. Shasta. 2407 Comment
  CAS-BOT-BC363932  Senecio integerrimus var. exaltatus John Thomas Howell 1937-7-22 13309 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC363940  Senecio integerrimus var. exaltatus Geo. D. Butler 1909-4-28 701 Siskiyou McAdams Creek Comment
  SD52959  Senecio integerrimus var. exaltatus Peter H. Raven 1962-5-30 17899 Siskiyou U. S. Highway 97, 12.3 miles south of Macdoel. Comment
  CAS-BOT-BC364040  Senecio integerrimus var. major John Thomas Howell 1937-7-25 13455 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC364436  Senecio triangularis R. C. Wenk 2008-7-24 920 A Siskiyou Kangaroo Lake, south of the Gazelle-Callahan Rd. 1851 Comment
  CAS-BOT-BC364439  Senecio triangularis Geo. D. Butler 1910-6-5 1486 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC364420  Senecio triangularis D. H. Norris 1968-7-29 2214 Siskiyou Along trail from Big Flat to Yellow Rose Mine. 1828 Comment
  CAS-BOT-BC364437  Senecio triangularis Gilbert Muth 1965-8-2 s.n. Siskiyou Meadow at Marble Valley Comment
  UC179657  Sericocarpus oregonensis subsp. oregonensis A. A. Heller 1914-8-25 11700 Siskiyou near, Deetz Station Black Butte 1158 Comment
  OBI53780  Sericocarpus oregonensis subsp. oregonensis David J. Keil 1992-7-19 23463 Siskiyou Klamath NF. 6.5 mi NW of Sawyers Bar on Sawyers Bar Rd Comment
  HSC64942  Sibbaldia procumbens D. L. Goforth 1979-7-19 266 Siskiyou Caribou Lakes Basin, lakeside at upper lake. 2134 Comment
  UC618835  Sibbaldia procumbens unknown 1938-8-18 11480 Siskiyou above Horse Camp (on the Summit Trail, Horse Camp Springs); Horse Camp Springs Comment
  HSC86539  Sibbaldia procumbens D. K. Imper Jun 1987 Siskiyou 8 mi. E of town of Mt. Shasta, base of Red Butte 2134 Comment
  POM210952  Sibbaldia procumbens Louis C. Wheeler 1934-8-2 3018 Siskiyou Alex Hole. Alex Canyon. Siskiyou Mtns. 1890 Comment
  JEPS67209  Sidalcea oregana subsp. oregana Geo. D. Butler 1908-8-3 61 Siskiyou Log Lake 1371 Comment
  JEPS75882  Sidalcea oregana subsp. spicata W. J. Ferlatte 1966-8-2 227 Siskiyou S Fork Salmon R , S Fork Salmon R (Trinity Alps) 1524 Comment
  UC60962  Sidalcea oregana subsp. spicata Geo. B. Grant Sept. 1902 5216 a Siskiyou Mount Shasta 914 Comment
  UCD13282  Sidalcea oregana subsp. spicata K. F. Mawdsley 1996-7-10 14 Siskiyou California, Siskiyou County. From Castle Lake Trailhead to Little Castle Lake, T 39N R 4W, NW 1/4 of Section 19, Seven Lakes Basin 7.5 topo. Elevation 5450. Comment
  POM61867  Sidalcea oregana subsp. spicata E. B. Copeland, B. Greene 1908-8-12 3822 Siskiyou Sisson. Comment
  HSC29623  Silene campanulata subsp. glandulosa Frederick W. Oettinger 1968-8-16 543 Siskiyou Marble Mtn. Wilderness Area, N of Red Hill near outlet of Hancock Lake 1997 Comment
  RSA237843  Silene campanulata subsp. glandulosa Frederick W. Oettinger 1969-7-11 989 Siskiyou Near outlet of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  HSC4178  Silene campanulata subsp. greenei Geo. D. Butler 1908-8-3 59 Siskiyou Canyon below Log Lake 1616 Comment
  CAS-BOT-BC388955  Silene grayi Alice Eastwood 1912-8-30 2007 Siskiyou Mount Eddy Comment
  JEPS40851  Silene grayi Paul C. Hutchison 1962-8-2 940 Siskiyou between Panther Meadow and top of ski lift Mt. Shasta; , between Panther Meadow and top of ski lift 2621 Comment
  RSA165436  Silene grayi Clare B. Hardham 1961-6-30 8010 Siskiyou Near White Mt. Comment
  RSA184741  Silene grayi Gilbert Muth 1965-8-17 231 Siskiyou Back side of Black Mountain, Marble Mountains. Comment
  UCD98592  Silene grayi Mary Ann Showers 1980-8-28 2068 Siskiyou below n-facing lower slopes of Red-Butte, on lower slope of Mt. Shasta, Shasta-Trinity National Forest. 2407 Comment
  UC1483449  Silene lemmonii J. Sawyer and J. Cole 1980-7-22 3940 Siskiyou nw slopes of Cedar Mtn. Klamath National Forest, Bray Quad., Cedar Mtn. 1524 Comment
  UC585108  Silene lemmonii E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 1999 Siskiyou about 1 1/2 mi w Mt. Shasta City (e and ne slope of spur of Rainbow Ridge above Sulloway Creek); , above Sulloway Creek 1188 Comment
  JEPS51016  Silene menziesii Geo. D. Butler 1909-6-10 967 Siskiyou near Yreka; near Yreka Comment
  HSC27980  Silene vulgaris Gary S. Lester 1973-7-16 51 Siskiyou Above Wooley Creek trail at Canyon Creek crossing 488 Comment
  JEPS107671  Sisymbrium altissimum Lowell Ahart, John Dittes 2005-6-9 12020 Siskiyou Open pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  JEPS53887  Sisymbrium altissimum W. L. Kleaver 1919-6-10 2 Siskiyou Yreka Comment
  CAS-BOT-BC75161  Sisymbrium altissimum Henry M. Pollard 1947-8-20 s.n. Siskiyou Spinks' Ranch, Roger's Creek near Gomes Bar. Comment
  CAS-BOT-BC75162  Sisymbrium altissimum Wm. Bridge Cooke 1938-8-19 11525 Siskiyou Mount Shasta. Lower Bear Spring. 1524 Comment
  RSA120903  Sisymbrium altissimum Milo S. Baker 1957-6-15 13110 Siskiyou Roadcut just S of Weed. Comment
  HSC36814  Sisymbrium officinale J. P. Smith 1974-5-27 7620 Siskiyou Along FS Rd. 47N03 1280 Comment
  UC164386  Sisyrinchium bellum Geo. D. Butler 1909-6-22 885 Siskiyou Goosecrest Foothills Comment
  JEPS62128  Smilacina racemosa Geo. D. Butler 1908-8-24 94 Siskiyou Eldredge Corral Russian Creek 1219 Comment
  UC163712  Solanum physalifolium var. nitidibaccatum Geo. D. Butler 1908-7-11 1009 Siskiyou near Yreka Comment
  RSA237967  Solanum umbelliferum Frederick W. Oettinger 1969-8-12 1347 Siskiyou Along the trial above 'Willow Springs' 1677 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
  UC485631  Solidago confinis Geo. B. Grant Sep 1902 5063 Siskiyou South part of California, Valley 304 Comment
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Aug 7 2012
  HSC72358  Solidago elongata J. P. Smith, J. O. Sawyer, Jane Sawyer, Kevin Sawyer 1976-9-5 8980 Siskiyou 1/5 mi. W of S.R. 3 on Road 8 671 Comment
  CAS-BOT-BC365558  Solidago elongata Geo. D. Butler 1910-8-3 1858 Siskiyou Oro Fino Comment
  CAS-BOT-BC365573  Solidago elongata Elmer I. Applegate 1923-9-7 3957 Siskiyou Doggett Ridge, Siskiyou Mountain, Klamath River canyon Comment
  HSC76968  Solidago elongata K. T. Stillman 1976-9-9 487 Siskiyou Marble Mtn. Wilderness Area; trail from jump off to Paradise Lake 1951 Comment
  HSC29093  Solidago multiradiata Frederick W. Oettinger 1968-9-5 706 Siskiyou High Lake Basins near English Peak; Marble Mountain Wilderness Area: English Lake Basin 1898 Comment
  JEPS32369  Solidago velutina subsp. californica Geo. D. Butler 1908-8-27 309 Siskiyou Quigley's Ranch , Quigley's Ranch (Oro Fino) Comment
  CDA7677  Sonchus arvensis subsp. uliginosus T. C. Fuller 1963-8-27 11162 Siskiyou South side of Dorris-Tulelake Road where the roadbed forms the north shore of Lower Klamath Lake, Lower Klamath Lake Wildlife Refuge, ca. 12 miles west of Hatfield. 0 Comment
  CAS-BOT-BC157325  Sorbus californica Wm. Bridge Cooke 1939-6-30 13576 Siskiyou Along the Sisson Southern Trail Comment
  RSA142661  Sorbus californica Al Hobart 1961-7-13 3 Siskiyou Mt. Preston. 1829 Comment
  RSA597967  Sorbus californica Louis C. Wheeler 1963-8-31 8319 Siskiyou Siskiyou Mountains. Devil's Punch Bowl. 1479 Comment
  CAS-BOT-BC158935  Sorbus scopulina James R. Shevock; David Toren 2000-9-1 20101 Siskiyou Along trail 959 toward Bear Gulch about 100 yards north of Cook and Green Pass off of road 1055, Applegate River Drainage - Siskiyou Mts., Rogue River National Forest 1432 Comment
  CHSC27345  Sorbus scopulina T. B. Devine 1976-9-4 359 Siskiyou Castle Lake. Comment
  RSA68914  Sparganium angustifolium A. E. Culbertson 1943-8-4 44 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 miles southwest of Mt. Shasta on north side of a 6600 eastern spur of Trinity Mountains; 2000 above Sacramento River within 10 air miles of its headwaters to the west. 1657 Comment
  HSC77421  Spergularia rubra L. P. Janeway 1983-9-11 681 Siskiyou Poker Flat 1524 Comment
  JEPS44996  Spiraea densiflora Geo. D. Butler 1908-8-4 277 Siskiyou Head of Shackleford Creek 1828 Comment
  POM140097  Spiraea douglasii Alice Eastwood 1903-8-12 3836 Siskiyou Sisson. 1067 Comment
  RSA105380  Spiraea douglasii G. D. Barbe 1955-7-5 102 Siskiyou 2.5 miles N of Etna on the road to Greenview. 884 Comment
  RSA472783  Spiraea douglasii Louis C. Wheeler 1934-8-16 3176 Siskiyou 2 miles SE White Mtn. Siskiyou Mtns. 1738 Comment
  RSA237629  Spiranthes Frederick W. Oettinger 1969-8-12 1343 Siskiyou Abbotts Lower Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1220 Comment
  JEPS93916  Stachys ajugoides var. rigida Vernon H. Oswald and Lowell Ahart 1998-8-3 9418 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.9 mi se of Gazelle-Callahan Road at its intersection with USFS 41N10 Kangaroo Lake Road 1554 Comment
  RSA463107  Stachys rigida subsp. rigida S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs. 5 miles NW of McCloud. Shasta-Trinity National Forest. S of Mt. Shasta. (E 1/2 of Section ) 1768 Comment
  UC642528  Stellaria calycantha unknown 1939-7-7 13624 Siskiyou Wagon Camp; Mount Shasta Comment
  HSC61988  Stenanthium occidentale Ruby Van Deventer 25 Jul [year missing] Siskiyou Rattlesnake Meadow 1524 Comment
  CDA8847  Stephanomeria lactucina G. C. Fleischman 1946-7-26 Siskiyou Northern California; Mr. Shasta, Dunsmuir area. 0 Comment
  UC60926  Stephanomeria paniculata Geo. B. Grant Sept 1902 5064 Siskiyou Dunsmuir Mount Shasta 609 Comment
  CAS-BOT-BC322913  Stephanomeria tenuifolia W. R. Dudley 1899-8-9 s.n. Siskiyou Foot of Black Butte Comment
  CAS-BOT-BC375750  Stephanomeria virgata L. R. Abrams 1927-9-11 12141 Siskiyou Fork of Shasta and Klamath Rivers Comment
  HSC13337  Stipa comata R. C. Wunner 1965-6-22 269 Siskiyou Lava Beds N.M., 2 mi. N of Devils Homestead Overlook Comment
  SEINET10610738  Stipa occidentalis A. Arthur Heller 1916-6-22 Heller 11427 Siskiyou Open places in the yellow pine belt in coarse sandy soil near Black Butte north of Sisson, elevation about 3700 feet. 1097 Comment
  HSC92555  Stipa occidentalis var. occidentalis Jennifer Whipple 1976-7-13 1461 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River 2256 Comment
  HSC45895  Stipa thurberiana Laura Witherspoon 1978-7-13 36 Siskiyou Klamath Natl. Forest W of Tennant Rd. Comment
  UC857414  Streptanthus barbatus Alice Eastwood 1912-7-23 1329 Siskiyou Cantara Comment
  CAS-BOT-BC87853  Streptanthus tortuosus Ira L. Wiggins 1955-7-27 13523 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area. 2042 Comment
  CAS-BOT-BC87871  Streptanthus tortuosus Geo. B. Grant 1902-9-7 s.n. Siskiyou Mount Shasta. Horse Camp. Comment
  CAS-BOT-BC87872  Streptanthus tortuosus D. E. Breedlove 1962-6-11 3355 Siskiyou At base of Black Butte along U.S. Highway 99, 4 miles south of Weed. 1188 Comment
  POM266038  Streptanthus tortuosus Lincoln Constance, Reed C. Rollins 1942-5-13 2901 Siskiyou Klamath River near Clear Creek, 8 miles S of Happy Camp. 305 Comment
  UC1492825  Streptanthus tortuosus Freed W. Hoffman 1951-7-12 4031 Siskiyou trail to Elk Lake Marble Mountains Comment
  HSC99988  Streptanthus tortuosus var. oblongus Thomas W. Nelson 2005-7-16 9376 Siskiyou Along Etna-Forks of Salmon Rd., 1.5 mi. from Forks of the Salmon. 399 Comment
  SBBG21904  Streptanthus tortuosus var. orbiculatus D. Myrick 1962-7-25 952 Siskiyou Shasta Ski Bowl Hwy, Mt Shasta 1219 Comment
  HSC18966  Streptanthus tortuosus var. tortuosus J. O. Sawyer 1969-7-8 1096 Siskiyou SW slope above Music Creek 2360 Comment
  HSC91300  Swertia albicaulis var. nitida Jennifer Whipple 1976-7-14 1479 Siskiyou SE slope of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  UC889891  Symphoricarpos albus var. laevigatus Alice Eastwood 1912-7-17 1192 Siskiyou Sisson Comment
  HSC18986  Symphoricarpos mollis J. O. Sawyer 1969-8-5 1947 Siskiyou Along Sugar Creek. 1921 Comment
  HSC42921  Symphoricarpos mollis Ken Stillman 1976-8-31 464 Siskiyou Along the Klamath River at Williams Point. 366 Comment
  JEPS26668  Symphoricarpos mollis Lauramay T. Dempster 1961-7-2 1849 Siskiyou at road crossing sw Etna (Mill Creek); Mill Creek Comment
  CHSC36144  Symphoricarpos rotundifolius var. rotundifolius K. Bridwell 1978-7-8 177 Siskiyou N slope of Sheep Mountain, ca. 10 mi E of Macdoel. 1645 Comment
  HSC68185  Symphyotrichum foliaceum var. parryi J. P. Smith, J. O. Sawyer 1973-8-14 7296 Siskiyou W shore of Campbell Lake 1768 Comment
  CAS-BOT-BC98854  Symphyotrichum spathulatum var. intermedium Milo S. Baker 1926-8-8 230 b-'26 Siskiyou Between Red Mt. and Grants Peak 2194 Comment
  CAS-BOT-BC376855  Taraxacum Doris K. Kildale 1929-4-27 7513 Siskiyou Cecilville Comment
  CAS-BOT-BC376922  Taraxacum officinale John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53404 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones 1249 Comment
  CAS-BOT-BC85246  Taxus brevifolia Doris K. Kildale 1929-5-11 7719 Siskiyou Cecilville, South fork of Salmon River Comment
  NY17448  Taxus brevifolia I. L. Wiggins 1955-7-24 13482 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UC455419  Taxus brevifolia I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1828 Comment
  UCR168462  Taxus brevifolia L. C. Wheeler 1934-8-14 3138 Siskiyou Northwestern; Klamath Ranges, Siskiyou Mountains: Western end of White Mtn. 1829 Comment
  UC169418  Tetrapteron graciliflorum Thomas Howell May 1889 Siskiyou Hornbrook Comment
  HSC49929  Thelypodium brachycarpum Gilbert Muth 1978-8-2 7326 Siskiyou Near Cabin Meadow Creek, close to the town of Callahan 1853 Comment
  SJSU6502  Thermopsis macrophylla R. W. Trivelpiece 1972-6-18 126 Siskiyou 3 mi W of Klamath R, c. 12 mi SW of Happy Camp 944 Comment
  SEINET12007102  Thlaspi montanum H. P. Chandler 1901-1 1689 Siskiyou Marble Mountain, North Coast Ranges 2438 Comment
  JEPS82672  Thlaspi montanum var. montanum Wayne Roderick 1984-6-7 Siskiyou sw Stewart Springs (Cabin Meadow); Cabin Meadow (sw of Stewart Springs) 1935 Comment
  UC137319  Thysanocarpus curvipes A. A. Heller 1905-6-1 7931 Siskiyou between Dunsmuir and Upper Soda Spring Comment
  UC642566  Tofieldia occidentalis subsp. occidentalis W. Bridge Cooke 1939-7-7 13611 Siskiyou Wagon Camp Mount Shasta 1737 Comment
  JEPS3896  Tonella tenella Duncan Dunning 1922-6-6 Siskiyou nw of Fort Jones; Moffett Creek Comment
  JEPS104953  Torreyochloa pallida var. pauciflora Dean W. Taylor 1996-6-24 15740 Siskiyou Klamath River canyon near Oregon State Line; Klamath National Forest 1066 Comment
  RSA603012  Torreyochloa pallida var. pauciflora L. C. Wheeler 1935-7-26 3714 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  CAS-BOT-BC519556  Triantha occidentalis subsp. occidentalis W. B. C. 1939-7-7 13611 Siskiyou Siskiyou Comment
  HSC43136  Trichostema lanceolatum Ken Stillman 1976-8-24 413 Siskiyou E and N slopes of Williams Point 366 Comment
  HSC68346  Trientalis latifolia J. P. Smith 1973-5-5 6401 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  CAS-BOT-BC219044  Trifolium howellii Lillian Mott 1976-7-18 57 LM76 Siskiyou Meadow at base of Kangaroo Mt. west of Cook and Green Pass 1828 Comment
  POM313506  Trifolium howellii Kennedy 1926-6-21 s.n. Siskiyou Shackleford Creek Comment
  HSC30417  Trifolium longipes Frederick W. Oettinger 1968-8-17 553 Siskiyou Salmon Mountains: N to NW of Pine Lake 1860 Comment
  UC85327  Trifolium longipes var. elmeri Harley P. Chandler June 1901 1580 Siskiyou near Marble Mtn; North Coast Ranges 1828 Comment
  UC338051  Trifolium obtusiflorum Lemmon 1889-6-26 Siskiyou Edgewood Comment
  CAS-BOT-BC230883  Trifolium productum Geo. D. Butler 1908-8-9 577 Siskiyou Summit between Marble Valley and West Fork of Wooley Creek 1828 Comment
  UC61695  Trifolium willdenovii Geo. B. Grant September, 1902 5072 Siskiyou Sisson Mount Shasta Comment
  RSA607098  Triglochin maritima L. C. Wheeler 1934-10-21 3327 Siskiyou Shasta Valley 4 miles east of Grenada 869 Comment
  JEPS47264  Trillium albidum Geo. D. Butler 1909-4-14 669 Siskiyou Humbug Comment
  JEPS96991  Trillium ovatum Dean W. Taylor 1999-6-9 17230 Siskiyou Siskiyou Mountains, ca. 5 air miles WSW Hilt, very headwaters of South Fork Hungry Creek 1371 Comment
  UC1483575  Trillium ovatum Maralyn A. Renner 1980-6-26 1180 Siskiyou n. edge Flint Valley; Klamath Nat'l Forest, Dillon Mt. Quad, Flint Valley 1389 Comment
  HSC66233  Trillium ovatum subsp. oettingeri Maralyn A. Renner 1980-7-14 1713 Siskiyou Near road at switchback, headwaters of Etna Creek 1707 Comment
  HSC76926  Trillium ovatum subsp. oettingeri William J. Ferlatte 1983-6-28 2101 Siskiyou Tributary to Moosehead Creek, W of Rd. 39N96 1509 Comment
  CAS-BOT-BC200093  Trisetum canescens John Thomas Howell 1939-8-9 15199 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  RSA238972  Trisetum canescens Frederick W. Oettinger 1969-8-3 1151 Siskiyou Halfway spring. trail English Lake to Diamond Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC76728  Trisetum spicatum K. T. Stillman 1976-8-8 395 Siskiyou Marble Mountain Wilderness Area, trail from jump off to Paradise Lake Comment
  JEPS82430  Trisetum spicatum Gilbert Muth 1966-7-31 469 Siskiyou n side Black Mt.; Marble Mt. Wilderness Area 1981 Comment
  CAS-BOT-BC133483  Triteleia crocea Geo. D. Butler 1909-5-30 786 Siskiyou Humbug Mountain Comment
  HSC46189  Triteleia crocea Jennifer Whipple 1977-4-30 1871 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  POM301762  Triteleia crocea Marion Ownbey, D. H. Brown 1941-6-22 2419 Siskiyou South of Craggy Mountain, northwest of Yreka Comment
  RSA114961  Triteleia hendersonii E. K. Balls, Lee W. Lenz 1956-6-18 21717 Siskiyou 5.7 miles SE of Gazelle, Hwy 99, Yreka to Dunsmuir. 884 Comment
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May 2 2015
  HSC71102  Triteleia hyacinthina Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4508 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  SEINET8398509  Triteleia ixioides Frank Callahan 1990-7-4 Siskiyou south slope of Mt. Shasta, growing in dry fringes of Wagon Camp Meadows. 1762 Comment
  CHSC2087  Triteleia ixioides subsp. anilina M. Yoder 1941-6-28 Siskiyou Castle Lake. 1981 Comment
  UC3300  Triteleia ixioides subsp. anilina C. B. Bradley 1879-1 Siskiyou Comment
  CAS-BOT-BC526140  Triteleia laxa D. H. Norris 1970-5-23 12247 Siskiyou In open oak forest along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  RSA12615  Tsuga mertensiana C. B. Wolf 1934-7-5 5970 Siskiyou North side of main ridge, 2 8/10 miles from Dry Lake Lookout on road to Horse Creek, Siskiyou Mountains. 2134 Comment
  RSA331960  Tsuga mertensiana W. Wisura, D. Kelly 1985-7-30 4076 Siskiyou Along forestry road 47N63 near Siskiyou Summit, N of Horse Creek on Hwy 96. Comment
  RSA761844  Tsuga mertensiana Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63374 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  HSC67866  Uropappus lindleyi J. P. Smith 1976-5-5 8677 Siskiyou Road from Sawyers Bar to Somes Bar, just W of Sawyers Bar 671 Comment
  CAS-BOT-BC404218  Urtica dioica subsp. holosericea Lewis S. Rose 1945-6-22 45163 Siskiyou Walker, Klamath River 533 Comment
  CDA42169  Utricularia vulgaris P. Zedeker 1964-7-28 s.n. Siskiyou Orr Lake, northwest of Bray. 0 Comment
  CDA3539  Vaccaria hispanica G. D. Barbe, T. C. Fuller 1972-6-14 944 Siskiyou South side of Oberlin Road, between Yreka and Montague. 0 Comment
  CAS-BOT-BC199201  Vaccinium cespitosum Harley P. Chandler 1901-6-1 1578 Siskiyou Near Marble Mountain 2133 Comment
  HSC18867  Vaccinium cespitosum J. O. Sawyer 1968-6-25 288 Siskiyou NE of N Horse Range Lake 2012 Comment
  HSC19104  Vaccinium cespitosum J. O. Sawyer 1969-8-4 1887 Siskiyou Above S Sugar Lake 2043 Comment
  HSC19519  Vaccinium cespitosum J. O. Sawyer 1969-7-7 1068 Siskiyou NE facing lower slope above Little Duck Lake 2049 Comment
  HSC29307  Vaccinium cespitosum Frederick W. Oettinger 1969-7-14 1014 Siskiyou Marble Mountain Wilderness Area, N shore line of Charmaine Lake 1921 Comment
  HSC44965  Vaccinium cespitosum J. O. Sawyer 1978-6-20 3276 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  HSC67683  Vaccinium cespitosum John Palmer 1980-7-24 624 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  JEPS25577  Vaccinium cespitosum Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7203 Siskiyou at upper edge of Panther Meadow, sw slopes of Mt. Shasta Mt. Shasta, Panther Meadow 2286 Comment
  JEPS91235  Vaccinium cespitosum Dean W. Taylor 1988-7-9 9946 Siskiyou Castle Lake region, in cirque and ridgetop above Heart Lake 1950 Comment
  LA44627  Vaccinium cespitosum H. Lewis; M. Lewis 1951-7-12 sn Siskiyou Mt. Shasta, Panther Meadow, S side Comment
  HSC48273  Vaccinium membranaceum P. Stekel, K. Stillman May 1977 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  RSA238865  Vaccinium membranaceum Frederick W. Oettinger 1968-9-5 721 Siskiyou Near inlet stream to Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  JEPS80556  Valeriana sitchensis subsp. sitchensis Gilbert Muth 1965-8-6 190 Siskiyou backside of Black Mountain, Marble Mountain Wilderness Area Marble Mountain Wilderness Area; Black Mountain, Marble Mountain Wilderness Area 2042 Comment
  RSA761682  Valeriana sitchensis subsp. sitchensis Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63361 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Comment
  HSC73293  Vancouveria planipetala Gail Newton 1980-6-20 523 Siskiyou Near Bald Mtn. 1326 Comment
  CHSC71517  Ventenata dubia Vernon H. Oswald; Lowell Ahart 1998-7-21 9336 Siskiyou Northeast of Weed and east of Grass Lake at a gravel pit on the south side of Tennant Rd. 0.4 mi southeast of Old State Hwy. to Bray. 1402 Comment
  CAS-BOT-BC529103  Veratrum californicum Laura M. Lathrop 1903-7-17 s. n. Siskiyou Sisson Comment
  HSC36711  Verbascum blattaria Brent Whiteley 1975-6-22 31 Siskiyou 220 Comment
  POM43036  Verbascum blattaria Edward Palmer 1892-7-13 2540 Siskiyou Mt. Shasta and vicinity. Comment
  JEPS39077  Verbena lasiostachys var. lasiostachys W. L. Jepson Jul 1 1894-Aug 1 1894 21226 Siskiyou between Sims and Sisson; Region of the Upper Sacramento River Comment
  UC164109  Verbena lasiostachys var. lasiostachys Geo. D. Butler 1910-7-2 1621 Siskiyou Yreka Comment
  JEPS84019  Veronica copelandii L. R. Heckard with J. Hickman et al. 1986-7-17 6459 Siskiyou 5 mi n of the town of Seiad Valley (ridge e of Kangaroo Peak, s of Lily Pad Lake) 1940 Comment
  CAS-BOT-BC238148  Veronica cusickii G. J. Muth 1969-8-12 1370 Siskiyou Second Valley Comment
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Jul 24 2018
  CAS-BOT-BC94405  Veronica serpyllifolia subsp. humifusa R. C. Wenk 2005-7-15 204 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail 1767 Comment
  HSC29283  Veronica serpyllifolia subsp. humifusa Frederick W. Oettinger 1968-9-5 720 Siskiyou Marble Mtn. Wilderness Area, along trail SE side of Hancock Lake 1890 Comment
  RSA238794  Veronica serpyllifolia var. humifusa Frederick W. Oettinger 1969-8-19 1463 Siskiyou Between Abott's Lake and Charmaine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  SFV3461  Veronica triphyllos I. Coonrod 1963-4-1 s. n. Siskiyou Montague. 915 Comment
  JEPS94265  Vicia americana var. americana Vernon H. Oswald and Lowell Ahart 1998-6-11 9185 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
  UC585092  Vicia americana var. americana E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 Siskiyou 2 mi s Yreka Comment
  HSC2330  Vicia americana var. americana Geo. D. Butler 1910-5-30 1440 Siskiyou Humbug Mtn. 1220 Comment
  HSC71650  Vicia americana var. americana J. P. Smith, Steve Selva 1970-6-16 4008 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  RSA507507  Vicia californica S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  NY50660  Vicia pumila A. A. Heller 1905-6-1 7938 Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  UC1762590  Viola Harley P. Chandler Jun 1901 1688 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  CAS-BOT-BC270236  Viola adunca Doris K. Kildale 1929-3-11 7736 Siskiyou Cecilville, upper S fork of Salmon River Comment
  CAS-BOT-BC270237  Viola adunca Doris K. Kildale 1929-4-27 7852 Siskiyou Cecilville, upper S fork of Salmon River Comment
  CAS-BOT-BC270239  Viola adunca Mrs. H. P. Bracelin 1936-5-11 835 Siskiyou Mount Eddy, about 6 miles NW of Mount Shasta City, Wagon Creek Canyon above Metcalf ranch house 1188 Comment
  HSC44940  Viola adunca J. O. Sawyer 1978-6-20 3264 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  JEPS74493  Viola adunca W. J. Fe