Search Results — 2000 specimen records retrieved (1343 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
  HSC30656  Abies X shastensis Frederick W. Oettinger 1968-9-8 788 Siskiyou Marble Mtn. Wilderness area, E side of English Lake 1784 Comment
  HSC67827  Abies concolor J. O. Sawyer, J. Cole 1980-7-20 3762 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  HSC69329  Abies concolor John Palmer 1980-8-12 749 Siskiyou Road to Bearground Spring from Beaver Creek Rd. 1341 Comment
  UCD70192  Abies lowiana S. Rivas-Martinez; M. Costa and D. Sanchez-Mata 1998-6-16 Siskiyou Mount Shasta City. Shasta-Trinity National Forest. John Everitt Memorial Highway. Open Shasta red fir forests (Abies shastensis) at the basis of Mount Shasta. 2180 Comment
  UC139968  Abies magnifica var. magnifica Wm. M. Canby, Profs. C. S. Sargent and John Muir 1897-9-7 680 Siskiyou Mt. Shasta Comment
  RSA237362  Abies procera Frederick W. Oettinger 1969-8-25 1547 Siskiyou Tom Taylor Cabin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  CAS-BOT-BC330619  Acer circinatum Elmer I. Applegate 1895-5-30 70 Siskiyou Sisson Comment
  UC1408872  Acer glabrum var. glabrum Frederick W. Oettinger 1968-8-7 435 Siskiyou e side Hancock Lake (High Lake Basins in the vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area, western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 1935 Comment
  UC1505812  Acer glabrum var. glabrum Robert T. Clausen and Harold Trapido 1940-7-26 4959 Siskiyou canyon of Mud Creek So. Cascade Mts., Sacramento River Basin, Mt. Shasta (Sacramento River Basin, So. Cascade Mts.) 1493 Comment
  UC618775  Acer glabrum var. glabrum W. Bridge Cooke 1938-6-17 11003 Siskiyou Sisson Southern Trail , Mount Shasta (a grove surrounds the spring near the trail) Comment
  CHSC30110  Acer glabrum var. torreyi M. S. Taylor 1980-6-4 2781 Siskiyou On S side of Cedar Lake, ca. 11 mi SW of Mt. Shasta City. 1737 Comment
  CAS-BOT-BC336935  Acer negundo var. californicum Geo. D. Butler 1910-4-19 1204 Siskiyou Yreka Creek Comment
  HSC67934  Achillea millefolium J. P. Smith 1973-5-5 6527 Siskiyou Scott Bar along the Scott River Comment
  HSC77412  Achillea millefolium L. P. Janeway 1983-9-11 670 Siskiyou Poker Flat 1524 Comment
  HSC81664  Achillea millefolium Thomas W. Nelson, Jane P. Nelson 1980-7-17 6077 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  POM55385  Achillea millefolium E. B. Copeland 1903-7-4 3546 Siskiyou Klamathon. Comment
  RSA211508  Achillea millefolium William J. Ferlatte 1966-7-7 196 Siskiyou Caribou Basin. 1982 Comment
  UCD50622  Achnatherum lemmonii Robert E. Preston 2002-6-20 1829 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope. 1911 Comment
  JEPS25601  Achnatherum nelsonii subsp. nelsonii Rimo Bacigalupi 1959-7-2 7234 Siskiyou Big Flat Campground Caribou Mtn., Salmon River, Coffee Creek (headwaters of S Fork Salmon River; just s of Trinity County boundary) 1508 Comment
  CAS-BOT-BC216920  Achnatherum occidentale John Thomas Howell 1939-8-6 15087 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  CAS-BOT-BC216927  Achnatherum occidentale Louis C. Wheeler 1934-6-11 2684 Siskiyou N Hungry Creek 1310 Comment
  UCD50959  Achnatherum occidentale R. Tofsrud 1949-8-3 s.n. Siskiyou Soap Creek Ridge, between Yreka and Fort Jones. 1828 Comment
  CAS-BOT-BC210868  Achnatherum occidentale subsp. californicum Alice Eastwood 1921-7-25 10851 Siskiyou Bigelows, McCloud River Comment
  UC1133081  Achnatherum occidentale subsp. californicum H. A. Jensen 1933-8-24 343 Siskiyou Mouth of Gravel Creek Shasta National Forest, Dunsmuir Quadrangle Comment
  CAS-BOT-BC218018  Achnatherum thurberianum John Thomas Howell 1952-6-14 28352 Siskiyou Serpentine Knoll, 7 miles E of Callahan on road to Gazelle Comment
  CDA5734  Achnatherum thurberianum L. Ahart, J. Dittes 2005-6-9 12018 Siskiyou About 350 yards east of where cattle water in the Shasta River, about 3/5 mil (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. Comment
  POM115239  Achnatherum thurberianum Geo D. Butler, A. S. Hitchcock 1910-5-4 1277 Siskiyou Dry hill, Yreka. Comment
  RSA17729  Achnatherum thurberianum Elmer I. Applegate 1937-6-8 9442 Siskiyou Bearpaw Cave, Lava Beds National Monument. Comment
  UC166598  Achyrachaena mollis Geo. D. Butler 1909-5-4 666 Siskiyou dryland near Yreka Comment
  CHSC35551  Acmispon americanus var. americanus J. P. Smith; Steve Selva 1970-7-15 4351 Siskiyou Klamath Nat'l. Forest. Road to Happy Camp. 731 Comment
  UC375343  Aconitum columbianum Geo. D. Butler 1908-8-10 364 Siskiyou Shackleford Creek Comment
  CDA24173  Aconitum columbianum F. D. Horn 1979-8-15 Siskiyou Carmen Lake area near Callahan. 0 Comment
  HSC34262  Aconitum columbianum subsp. viviparum J. P. Smith, J. O. Sawyer 1973-8-14 7311 Siskiyou Around Cliff Lake 1860 Comment
  RSA238289  Aconitum columbianum subsp. viviparum Frederick W. Oettinger 1967-8-3 236 Siskiyou Along trail SE side of Hancock Lake. The Salmon Mtns. High lake basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1936 Comment
  RSA0005270  Aconitum geranioides E. B. Copeland 1903-8-13 3890 Siskiyou Sisson. 1067 Comment
  CAS-BOT-BC412919  Aconogonon davisiae Edna Kelsey 1961-8-1 s.n. Siskiyou Marble Mts., Skyhigh Lake Comment
  HSC17539  Aconogonon davisiae Geo. D. Butler 1908-8-5 187 Siskiyou Summit above Cold Spring, Wooly Creek 1829 Comment
  HSC2379  Aconogonon davisiae William J. Ferlatte 1966-8-4 302 Siskiyou Dorleska summit 2134 Comment
  HSC27338  Aconogonon davisiae J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5706 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  UC2013022  Aconogonon davisiae Barbara Ertter 1990-7-14 9321 Siskiyou Wagon Creek on E side of Mt. Eddy, ca. 4 air miles W of Mt. Shasta City. Comment
  HSC30483  Aconogonon davisiae Frederick W. Oettinger 1968-8-4 396 Siskiyou Vicinity of English Peak, Marble Mountain Wilderness Area; Crapo Peak Ridge trail break 2195 Comment
  UCD98559  Aconogonon newberryi R. Tofsrud 1948-8-2 s.n. Siskiyou Near Panther Meadow, Mt. Shasta. Comment
  SEINET4175530  Aconogonon phytolaccifolium G. D. Butler 1910-7-8 1674 Siskiyou Shackleford Creek Comment
  SEINET10928998  Actaea rubra H. E. Brown 1897-8-1 Brown 583 Siskiyou 1524 Comment
  UCD77303  Actaea rubra Robert E. Preston 2001-7-20 1692 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake, T42N R1W se 1/4 of ne 1/4 Section 14 1743 Comment
  HSC69392  Adenocaulon bicolor Maralyn A. Renner 1980-8-31 2641 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  RSA264984  Adenocaulon bicolor Gilbert Muth 1975-8-1 s.n. Siskiyou Near Sutcliffe Creek, near Happy Camp 1341 Comment
  SEINET11261967  Adenocaulon bicolor Alv Dan Youngberg 1964-7-19 96 Siskiyou Along west branch of Indian Creek.; 0 Comment
  UC1409501  Adenocaulon bicolor F. W. Oettinger 1969-8-9 1317 Siskiyou toward 5 mile Stock Gate along main North Fork trail Abbott's Upper Cabin; Salmon Mountains 1356 Comment
  CAS-BOT-BC68958  Adiantum aleuticum Lemmon 1881-7-1 s.n. Siskiyou Near Shasta Comment
  SEINET3153138  Adiantum aleuticum G. B. Grant 25 Siskiyou Shasta Springs, No. Cent. Cal. Comment
  SFV83  Adiantum aleuticum D. Parker 1960-8-3 589 Siskiyou Below Rock Fence Lake. 1890 Comment
  RSA211330  Agastache urticifolia William J. Ferlatte 1966-8-18 425 Siskiyou Trinity Alps of Northern California, Willow Creek Trail. 1707 Comment
  CAS-BOT-BC29454  Ageratina occidentalis Dorothy Parker 1946-8-18 s.n. Siskiyou Rail Creek 1219 Comment
  CAS-BOT-BC15482  Agoseris X dasycarpa Alice Eastwood 1921-7-29 10959 Siskiyou Medicine Lake Comment
  HSC29241  Agoseris aurantiaca Frederick W. Oettinger 1968-8-14 512 Siskiyou Marble Mountain Wilderness area; below Tom Taylor Cabin 2012 Comment
  JEPS94382  Agoseris aurantiaca var. aurantiaca Vernon Oswald and Lowell Ahart 1997-7-28 8785 Siskiyou 0.6 mi se of Paynes Springs (se of Medicine Lake on road 43N54 at a meadow); road 43N54 1920 Comment
  HSC61853  Agoseris grandiflora Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC15380  Agoseris grandiflora var. grandiflora Louis C. Wheeler 1934-6-11 2683 Siskiyou North Hungry Creek, Siskiyou Mountains 1310 Comment
  JEPS36234  Agoseris grandiflora var. grandiflora W. L. Jepson 1940-6-28 20052 Siskiyou McCloud McCloud 975 Comment
  CAS-BOT-BC15390  Agoseris grandiflora var. grandiflora George Dexter Butler 1910-6-10 1555 Siskiyou Near Yreka Comment
  CAS-BOT-BC22782  Agoseris heterophylla Roxana S. Ferris; Laura Lorraine 1948-6-12 11837 Siskiyou Gazelle Mountain Grade, road between Gazelle and Callahan 1499 Comment
  HSC46195  Agoseris heterophylla Jennifer Whipple 1977-4-30 1886 Siskiyou Scott Valley near Weston Gulch 854 Comment
  HSC92335  Agoseris monticola Jennifer Whipple 1976-8-20 1726 Siskiyou Wagon Creek Drainage near Wagon Creek 2195 Comment
  UC904779  Agoseris monticola W. Bridge Cooke 1949-8-22 25604 Siskiyou South Gate (Mt. Shasta) Mount Shasta 2590 Comment
  RSA238757  Agoseris retrorsa Frederick W. Oettinger 1969-7-11 985 Siskiyou Near summit of 'Little Medicine Mountain' (north of Hancock Lake). Salmon Mtns. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  CAS-BOT-BC126979  Agrostis exarata Wm. Bridge Cooke 1938-7-29 11410 Siskiyou Mount Shasta. Above Bear Springs. 1676 Comment
  CAS-BOT-BC126991  Agrostis exarata Melissa A. Berry 1957-7-11 s.n. Siskiyou Parrot Mill Road, vicinity of Callahan. 1036 Comment
  JEPS82424  Agrostis exarata Gilbert Muth 1966-7-31 478 Siskiyou n side Black Mt.; Marble Mt. Wilderness Area 2072 Comment
  RSA238371  Agrostis exarata Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1204 Siskiyou Trail from English Lake to Abbott's. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UC1265415  Agrostis exarata F. W. Oettinger 1968-9-7 755 Siskiyou north shore line of lake Salmon Mountains, Hancock Lake 1935 Comment
  CAS-BOT-BC138929  Agrostis pallens John Thomas Howell 1939-8-2 14943 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  HSC22420  Agrostis pallens J. O. Sawyer 1969-8-2 1723 Siskiyou E facing slope SW of Little Duck Lake 2241 Comment
  HSC22424  Agrostis pallens J. O. Sawyer 1969-7-24 1511 Siskiyou SE facing slope W of Sugar Lake 1905 Comment
  HSC30514  Agrostis pallens Frederick W. Oettinger, R. F. Thorne 1969-8-6 1230 Siskiyou Marble Mtn. Wilderness Area, S of Pine Lake on the face of a steep cliff, between crevices. 1921 Comment
  RSA239085  Agrostis pallens Frederick W. Oettinger 1969-9-3 1612 Siskiyou Shasta Ridge. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  UC1265309  Agrostis pallens Frederick W. Oettinger 1969-8-16 1411 Siskiyou open level area near Wiregrass Meadows (near English Lake Basin); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  UC922324  Agrostis pallens Annie M. Alexander and Louise Kellogg 1949-7-20 5818 Siskiyou on hill n Paradise Lake; Marble Mountains 1920 Comment
  HSC38393  Agrostis scabra J. D. Ackerman, A. M. Montalvo 1975-7-19 591 Siskiyou 3 mi E of McCloud, off Hwy 89, on USFS Rd 39N13 1067 Comment
  UC642585  Agrostis scabra Jason Swallen 1939-6-30 13560 Siskiyou MacBride Springs 1524 Comment
  HSC39912  Agrostis stolonifera J. P. Smith, Steve Selva 1970-7-16 4394 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  UCD53524  Agrostis stolonifera P. B. Kennedy 1923-7-29 s.n. Siskiyou Sisson (Mount Shasta), by camp. Comment
  UC1265423  Agrostis thurberiana Frederick W. Oettinger 1969-9-4 1645 Siskiyou Tobacco Lake meadows, w Siskiyou County Salmon Mountains, Marble Mountain Wilderness Area, English P 1889 Comment
  UC1037382  Alisma plantago-aquatica Douglas Barbe 1955-7-5 108 Siskiyou e limit Greenview (on road to Fort Jones, s side of road); Klamath Mountains, Greenview 883 Comment
  CAS-BOT-BC459431  Allium acuminatum Alice Eastwood 1912-7-20 1249 Siskiyou Hornbrook Comment
  RSA47814  Allium amplectens Roxana S. Ferris, Laura Lorraine 11720 Siskiyou Schoolhouse Hill, Plowman s Valley (Noyes Valley), E Fork of Scott River. Comment
  UC1560907  Allium bolanderi Hannah C. Aase 1940-7-6 Siskiyou 2.5 mi w Hilt Comment
Read comments
Jun 18 2011
  HSC77062  Allium falcifolium K. T. Stillman 1976-8-7 194 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  SBBG844  Allium falcifolium K. K. Muller 1954-6-23 645 Siskiyou summit ca. 3.5 mi S of Oregon line on road to Happy Camp, Siskiyou Mtns Comment
  CAS-BOT-BC469236  Allium falcifolium H. C. Cantelow 1936-5-21 s.n. Siskiyou North slope of Scott Mountain 1219 Comment
  CAS-BOT-BC474286  Allium obtusum var. obtusum W. B. C. 1938-7-1 11163 Siskiyou Panther Creek Sand Flats. Sand Flats in openings, on morainal deposits in the Shata Fir forest. 1981 Comment
  HSC68531  Allium siskiyouense Maralyn A. Renner 1980-6-24 1060 Siskiyou Ridge 0.5 mi. E of Cook and Green Pass 1555 Comment
  CHSC2066  Allium validum V. Holt 1932-6-27 Siskiyou Black Butte Meadow. 1219 Comment
  HSC100268  Allium validum J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13058 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2003 Comment
  SEINET3151667  Allocarya californica G. D. Butler 1910-5-29 1424 Siskiyou Damp place near Yuka. Comment
  UC21634  Allotropa virgata Harley P. Chandler Jun 1901 1546 Siskiyou Ridges and Meadows near Marble Mountain 1828 Comment
  CAS-BOT-BC171419  Alnus incana subsp. tenuifolia H. A. Thomas; J. H. Thomas 1954-7-24 4505 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  HSC22209  Alnus rhombifolia J. O. Sawyer 1969-7-11 865 Siskiyou Ravine above C.C.C. road. 1280 Comment
  UC1736429  Alnus viridis subsp. sinuata Dean W. Taylor 1999-8-12 17301 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley), creek crossing on logging road 1341 Comment
  UCD110047  Alnus viridis subsp. sinuata Jack Major 1961-7-14 649 Siskiyou South wall of Mud Creek, Mount Shasta. 2316 Comment
  CDA1713  Alopecurus pratensis William J. Ferlatte 1988-5-26 Siskiyou Larry Moran property, French Creek Road, Etna. 0 Comment
  UC163668  Amaranthus blitoides Geo. D. Butler 1909-8-18 1067 Siskiyou near Yreka Comment
  CDA38754  Ambrosia trifida Rhonda Posey, Kay Dye 2012-8-29 s.n. Siskiyou Mt. Shasta (City); 1524 Frederick St. 0 Comment
  HSC68453  Amelanchier alnifolia Maralyn A. Renner 1980-7-4 1401 Siskiyou Near trail about 0.25 mi. below Rattlesnake Meadow. 1585 Comment
  JEPS123489  Amelanchier alnifolia var. semiintegrifolia E. T. Doucette 2013-5 13 -114 Siskiyou SkiPark Highway Pierce. Comment
  CDA25701  Amelanchier pallida T. C. Fuller 1962-6-13 8976 Siskiyou Highway 89 to McCloud 1.2 miles west of Bartle. 0 Comment
  HSC24114  Amelanchier pallida J. O. Sawyer 1970-7-14 2354 Siskiyou S side of Bear Mtn. 1707 Comment
  HSC4956  Amelanchier pallida J. O. Sawyer 1968-9-9 657 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  RSA237662  Amelanchier pumila Frederick W. Oettinger 1967-7-22 179 Siskiyou E facing massive granite slope just SSE of Diamond Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  CAS-BOT-BC136890  Amelanchier utahensis Doris K. Kildale 1929-8-24 8830 Siskiyou Preston Peak 2225 Comment
  CAS-BOT-BC136897  Amelanchier utahensis L. E. Smith 1913-7-27 s.n. Siskiyou McCloud Comment
  JEPS74469  Amelanchier utahensis W. J. Ferlatte 1966-6-23 149 Siskiyou Big Flat Trinity Alps (near public camp) 1524 Comment
  UCSB23230  Amelanchier utahensis Keefe, Joseph 1967-7-11 Siskiyou along trail to Little Castle Lake, 1.0 mile southeast of Castle Lake, 10 miles south of city of Mt. Shasta 1828 Comment
  UC174986 Image available Amsinckia intermedia E. B. Copeland 1903-7-2 3552 Siskiyou Klamathon; ; Klamathon, Siskiyou Co. Comment
  HSC61911  Anaphalis margaritacea Ruby Van Deventer 1939-7-18 Siskiyou Poker Flat 1585 Comment
  JEPS85080  Anaphalis margaritacea W. B. and V. G. Cooke with Ted Graves 1988-8-29 64234 Siskiyou s side, in Mud Creek drainage Mount Shasta; Shasta-Trinity National Forest, Mount Shasta 1584 Comment
  RSA696900  Anaphalis margaritacea Leo Miller s.n. Siskiyou Siskiyou Mts. 854 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-BC391753  Anemone L. E. Smith 1913-6-29 s.n. Siskiyou Mt. Eddy Comment
  CAS-BOT-BC391754  Anemone Alice Eastwood 1912-8-30 1964 Siskiyou Mount Eddy Comment
  CDA24185  Anemone deltoidea T. C. Fuller 1958-6-18 1819 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  HSC68474  Anemone deltoidea Maralyn A. Renner 1980-6-26 1221 Siskiyou SE edge of Flint Valley. 1390 Comment
  UC1046555  Anemone deltoidea R. Bacigalupi, L. Constance, J. P. Tracy, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-16 3450 Siskiyou at Poker Flat (near summit of Takilma-Happy Camp Rd over Siskiyou Mtns, Del Norte-Siskiyou Co. line); Siskiyou Mtns 1630 Comment
  HSC44  Anemone drummondii William J. Ferlatte 1966-8-4 317 Siskiyou Above Yellow Rose Mine 2134 Comment
  UCD95474  Anemone drummondii var. drummondii Robert E. Preston 2001-8-26 1766 a Siskiyou Klamath National Forest, north slope of Rainbow Mountain. 1975 Comment
  UC618888  Anemone occidentalis W. Bridge Cooke 1938-7-21 11601 Siskiyou s.w. slopes Red Butte; Mt. Shasta, Red Butte Comment
  HSC28678  Anemone occidentalis Frederick W. Oettinger 1967-7-25 182 Siskiyou Marble Mtn. Wilderness Area, SSE of English Peak 2223 Comment
  RSA470340  Angelica arguta var. arguta M. B. Dunkle 1945-1 9339 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  JEPS120189  Angelica tomentosa Julie Kierstead Nelson 2011-8-23 2011 -42 Siskiyou Eastern Klamath Mountains, The Eddys. North side of Fawn Creek, 2 miles NE of Gumboot Lake Comment
  UCD127190  Angelica tomentosa Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou east of Marble Mountain, Marble Mountains. 1716 Comment
  UC29469  Antennaria argentea C. B. Bradley 1879-1 Siskiyou Comment
  CAS-BOT-BC59160  Antennaria dimorpha H. M. Hall; E. B. Babcock 1903-6-1 4101 Siskiyou Little Shasta Valley, 853 Comment
  CAS-BOT-BC58723  Antennaria geyeri L. E. Smith 1915-7-9 s.n. Siskiyou Near Sisson Comment
  POM253189  Antennaria geyeri A. A. Heller 1938-7-12 15245 Siskiyou Occasional plants along U.S. Highway #97 in gravelly soil 5 miles north of Weed. 1067 Comment
  HSC69160  Antennaria howellii Maralyn A. Renner 1980-8-4 2208 Siskiyou Flint Valley 1390 Comment
  JEPS109705  Antennaria media subsp. media Dean W. Taylor 2002-7-20 18267 Siskiyou The Eddys, Pacific Crest Trail ca. 0.5 mile North of Forest Road 17 2103 Comment
  HSC29212  Antennaria racemosa Frederick W. Oettinger 1969-7-29 1109 Siskiyou High Lake Basins near English Peak, Marble Mountain Wilderness Area; slope NNW of Upper English Lake 2012 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
  JEPS33931  Antennaria rosea Willis L. Jepson 1894-8-4 Siskiyou snow line Mt. Shasta Comment
  RSA123632  Antennaria rosea G. D. Barbe 1955-8-1 327 Siskiyou At the summit of Mt. Bolivar. Scott Mts. 2470 Comment
  UCD77340  Antennaria rosea Robert E. Preston 2001-6-23 1598 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 2011 Comment
  HSC4639  Antennaria rosea subsp. rosea R. C. Wunner 1965-8-21 459 Siskiyou California Lava Beds National Monument; 1/4 mile from Caldwell Butte towards Caldwell Ice Cave 1402 Comment
  CHSC26179  Apocynum androsaemifolium J. P. Kroessig 1977-8-6 62 Siskiyou Ca. 3 km sw of Mt. Shasta City. 1000 Comment
  HSC91437  Apocynum androsaemifolium Jennifer Whipple 1977-8-5 2179 Siskiyou Wagon Creek Drainage on the E face of Mt. Eddy 2256 Comment
  POM130457  Apocynum androsaemifolium subsp. pumilum E. B. Copeland 1903-7-7 s.n. Siskiyou Hornbrook Comment
  CAS-BOT-BC394980  Aquilegia formosa John Thomas Howell 1939-8-10 15278 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC394987  Aquilegia formosa A. A. Heller 1905-6-22 13499 Siskiyou Between Igerna and Weed Comment
  JEPS55089  Aquilegia formosa Geo. D. Butler 1909-6-23 902 Siskiyou Goosenest Mountain Comment
  UC853767  Aquilegia formosa John Thomas Howell 1939-8-10 15278 Siskiyou Sky High Valley Marble Mtns Comment
  SD98958  Aquilegia formosa Darley F. Howe 1977-7-1 Siskiyou Scott Mt. Creek, Scott Mts. 1096 Comment
  HSC64351  Aquilegia formosa var. formosa J. P. Smith, Steve Selva 1970-7-17 4452 Siskiyou Below Kangaroo Lake. 1890 Comment
  CDA24645  Arabis breweri Don Shaw, F. D. Horn 1978-3-1 Siskiyou Shasta River Canyon, Yreka. 0 Comment
  HSC6547  Arabis divaricarpa Dorothy Parker 1949-5-28 305 Siskiyou Kidder Creek, Salmon Mtns. Range 915 Comment
  RSA758211  Arabis holboellii R. F. Thorne 1969-8-2 63336 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  HSC77124  Arabis holboellii var. retrofracta K. T. Stillman 1976-8-7 181 Siskiyou Marble Mtn. Wilderness Area. Comment
  UCR179187  Arabis holboellii var. retrofracta Robert E. Preston 2002-7-14 1940 Siskiyou Rainbow Mountain and Vicinity, Klamath National Forest, north slope of Rainbow Mtn. 1717 Comment
  HSC29156  Arabis holboellii var. retrofracta Frederick W. Oettinger 1968-8-10 465 Siskiyou Salmon Mtns., High Lake Basins in the vicinity of English Peak, Marble Mtn. Wilderness Area; E side of Hancock Lake 2043 Comment
  HSC29175  Arabis holboellii var. retrofracta Frederick W. Oettinger 1969-7-10 961 Siskiyou Marble Mtn. Wilderness Area, SW of Upper English Lake 1921 Comment
  UC673130  Arabis modesta Lincoln Constance and Reed C. Rollins 1942-5-13 2915 Siskiyou 10 mi sw Scott Bar; Klamath-Siskiyou Region, Scott River 609 Comment
  HSC22085  Arabis platysperma J. O. Sawyer 1969-8-4 1835 Siskiyou Above Sugar Lake 2134 Comment
  HSC29138  Arabis platysperma var. howellii Frederick W. Oettinger 1968-8-4 390 Siskiyou Vicinity of English Peak, Marble Mountain Wilderness Area; trail N of Crapo Peak Ridge 2195 Comment
  HSC66304  Arabis platysperma var. howellii Maralyn A. Renner 1980-8-7 2377 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  HSC6571  Arabis subpinnatifida Lincoln Constance, R. C. Rollins 1942-5-14 2923 Siskiyou Road to Walker Post Office, 4 mi. W of Yreka 1220 Comment
  HSC90611  Arabis suffrutescens Jennifer Whipple 1978-7-20 2363 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River 2439 Comment
  UC705878  Aralia californica Marion Ownbey and Fred G. Meyer 1940-7-8 2221 Siskiyou 3 mi. e. Happy Camp (along Glade Creek near its mouth); Glade Creek Comment
  SEINET2471282  Arceuthobium abietinum subsp. wiensii R. L. Mathiasen 2007-8-14 2007 -35 Siskiyou 18 km W. of Indian Creek on forest road 17N11 1320 Comment
  SEINET2471293  Arceuthobium abietinum subsp. wiensii R. L. Mathiasen 2007-9-16 2007 -46 Siskiyou Ca. 18 km W. of Indian Creek on forest road 17N11 1340 Comment
  SEINET1916096  Arceuthobium californicum R. L. Mathiasen 2005-1 2005 -36 Siskiyou 15.4 km NW of St. Rte. 96 on forest rd. 15 1100 Comment
  CDA6781  Arctium minus T. C. Fuller 1960-8-23 4965 Siskiyou ca. 1 mile south of Greenview. 0 Comment
  UCD51964  Arctostaphylos manzanita Warren Roberts 1967-9-25 Siskiyou Near Somes Bar. Comment
  CAS-BOT-BC40022  Arctostaphylos nevadensis John Thomas Howell 1939-8-3 14998 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC68313  Arctostaphylos nevadensis Maralyn A. Renner 1980-6-26 1228 Siskiyou SE edge of Flint Valley. 1390 Comment
  HSC92274  Arctostaphylos nevadensis Jennifer Whipple 1976-6-11 968 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2195 Comment
  RSA789812  Arctostaphylos nevadensis Rebecca Wenk 2008-7-25 942 Siskiyou Lily Pad Lake, just west of Kangaroo Lake, south of the Gazelle-Callaha Rd. 1799 Comment
  UC21854  Arctostaphylos nevadensis Milo S. Baker 1893-8-6 Siskiyou Medicine Lakes 1828 Comment
  UC796483  Arctostaphylos nevadensis Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11801 Siskiyou on Scott Mt. Rd. at Mule Creek Crossing (s of Callahan) 1493 Comment
  UC82957  Arctostaphylos nevadensis J. W. Congdon Aug 1900 Siskiyou near Sisson Comment
  UCR19852  Arctostaphylos nevadensis John C. Roos 1948-9-1 3951 Siskiyou High ridge, summit of pass, in the mountains SW of Etna Comment
  SEINET11989082  Arctostaphylos nevadensis subsp. knightii R. Raiche, Zadnik, K. 1982-1 20558 Siskiyou Deadwood Lookout near Yreka 1676 Comment
  CAS-BOT-BC46462  Arctostaphylos patula Mrs. H. C. Cantelow 1936-5-21 s.n. Siskiyou N. slope of Scott Mt. 1524 Comment
  CAS-BOT-BC46464  Arctostaphylos patula D. E. Breedlove 1962-6-11 3364 Siskiyou Along State Hwy. 89, 8.0 mi. e. of McCloud; Cascade Range. 1127 Comment
  CAS-BOT-BC46519  Arctostaphylos patula Doris K. Kildale 1929-7-20 8612 Siskiyou SE. of Preston Peak. 1981 Comment
  HSC4925  Arctostaphylos patula J. O. Sawyer 1968-6-18 221 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  HSC7700  Arctostaphylos patula Unknown Siskiyou Lava Beds N.M. Island Butte on Black Lava Flow 1646 Comment
  POM286020  Arctostaphylos patula Lyman Benson 1929-3-26 1068 Siskiyou Shoulder of Mt. Shasta Pacific Highway. Comment
  POM367403  Arctostaphylos patula Christopher Davidson 1975-6-5 2649 Siskiyou 2.4 mi E of town of Mt. Shasta on Mt. Shasta Uplands Rd. 1280 Comment
  UC549424  Arctostaphylos patula R. H. Williams 1934-4-1 Siskiyou n slope of mt Mt. Bolwar, Scott River (hd of river) 1097 Comment
  UCD53417  Arctostaphylos patula Robert E. Preston 2001-6-23 1564 Siskiyou Klamath National Forest; north slope of Rainbow Mtn. at Hemlock Lake. 1889 Comment
  SEINET11988200  Arctostaphylos patula W. Roderick, Sigg, J. 1981-1 s.n. Siskiyou Cook & Green Pass 1372 Comment
  RSA782327  Arctostaphylos viscida subsp. pulchella R. W. Spjut, Paul Burchstead 2008-6-12 16342 Siskiyou Klamath Region. Klamath National Forest: along North Fork of the Salmon River, east of the Forks of the Salmon 629 Comment
  CAS-BOT-BC47008  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1928-4-2 4404 Siskiyou Klamath River at Somes Bar. Comment
  POM77309  Arctostaphylos viscida subsp. viscida Geo D. Butler 1909-4-26 693 Siskiyou Oro Fisco hills. Comment
  CAS-BOT-BC47099  Arctostaphylos viscida subsp. viscida W. R. Dudley 1901-8-24 s.n. Siskiyou Trail S. Fork of Salmon River, below Smiths, Salmon Mts. Comment
  UC852283  Arenaria congesta var. suffrutescens Alice Eastwood 1912-8-30 2033 Siskiyou Mount Eddy Comment
  RSA105498  Arenaria congesta var. suffrutescens G. D. Barbe 1955-7-26 263 Siskiyou On northwest slope of Scott Mtn. 1829 Comment
  HSC60848  Arenaria serpyllifolia Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley. Bell Echo Meadow. 1524 Comment
  JEPS98789  Arnica Sue Pappalardo 1993-7-19 495 Siskiyou about 4 mi SE of Bear Mountain Lookout (between Forest Service roads 40N38 and 40N36); Shasta Trinity National Forest, McCloud Ranger District 1300 Comment
  UCD129116  Arnica chamissonis Malcolm A. Nobs; Calvin McMillan 1949-6-17 797 Siskiyou Grass Lake, Highway 97. Comment
  CDA10114  Arnica chamissonis subsp. foliosa T. C. Fuller 1960-6-3 4615 Siskiyou Toad Lake, ca. 7 miles north of Bartle. 0 Comment
  CAS-BOT-BC82362  Arnica cordifolia Doris K. Kildale 1929-7-20 8596 Siskiyou South east spur of Preston Peak 1950 Comment
  HSC22129  Arnica cordifolia J. O. Sawyer 1969-7-9 1236 Siskiyou Steep hillside above S Sugar Lake 2134 Comment
  SEINET6774985 Image available Arnica cordifolia G. D. Butler 1910-4-21 1216 Siskiyou Dry hills Oro Fiero [illegible] Comment
  SEINET10912115  Arnica diversifolia Andrew Townesmith, Karen M. Meyer 2007-7-30 Townesmith 877 Siskiyou Shasta-Trinity National Forest. Off county road A-10, mile 12.6 (from beginning of road in Mount Shasta City), Panther Meadow campground vicinity. T41N R3W S33. 2284 Comment
  CAS-BOT-BC82665  Arnica latifolia John Thomas Howell 1937-7-26 13552 Siskiyou Caribou Gulch Comment
  JEPS74455  Arnica latifolia W. J. Ferlatte 1967-7-26 765 Siskiyou near, nw side of Caribou Mt Browns Meadow; Trinity Alps, Caribou Mountain 1828 Comment
  CAS-BOT-BC82757  Arnica mollis Wm. Bridge Cooke 1938-9-8 11652 Siskiyou Squaw Creek Meadow, along Squaw Creek from the middle meadow to the lower meadow 2286 Comment
  UC572796  Arnica mollis W. Bridge Cooke 1937-8-17 9297 Siskiyou Panther Creek Meadow Mt. Shasta 2438 Comment
  UC618863  Arnica viscosa W. Bridge Cooke 1938-8-18 11501 Siskiyou some distance above, on sw slope of Mt. Shasta Horse Camp; Mt. Shasta 2529 Comment
  CAS-BOT-BC90086  Arnica viscosa W. B. Cooke 1947-8-20 17828 Siskiyou slopes near the water supply spring above Horse Camp, Mt. Shasta 2514 Comment
  UCD56024  Arrhenatherum elatius S. D. Nelson 1947-5-24 s.n. Siskiyou Scott Valley. Comment
  CAS-BOT-BC90096  Artemisia Alice Eastwood 1912-8-30 s.n. Siskiyou Mount Eddy Comment
  UCD70481  Artemisia R. Fernau 1997-6-26 2 Siskiyou Klamath Mountains: Marble Mountain Wilderness. Summit of mountain, mafic metavolcanic rocks, no trees. Taxa with highest cover values: Artemisia arbuscula?, Phlox, Festuca, and Phacelia. 2097 Comment
  CAS-BOT-BC84888  Artemisia campestris subsp. pacifica Gilbert Muth 1966-7-22 435 Siskiyou Marble Rim, Marble Mountains 2194 Comment
  CAS-BOT-BC90480  Artemisia douglasiana Alice Eastwood 1917-9-2 6671 Siskiyou Shasta Springs Comment
  SD76162  Artemisia douglasiana Helen V. Witham 1969-10-7 578 Siskiyou Scott River, at bridge to Indian Scotty Campground. 700 Comment
  RSA417428  Artemisia tridentata subsp. tridentata M. B. Dunkle 1929-8-26 2328 Siskiyou Golden Trout Creek. 2744 Comment
  SEINET11165203 Image available Aruncus sylvester Unknown 1974-8-12 Siskiyou Somes Bar Comment
  CAS-BOT-BC400589  Asarum caudatum Alice Eastwood 1917-9-2 6679 Siskiyou Shasta Springs Comment
  CAS-BOT-BC400703  Asarum hartwegii Wm. Bridge Cooke 1938-6-24 11105 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  SEINET8690328 Image available Asarum hartwegii W. B. Cooke 1937-1 9075 Siskiyou Sisson Southern Trail, Mt. Shasta 1829 Comment
  UC61044  Asclepias speciosa W. A. Setchell, C. C. Dobie 1902-7-13 Siskiyou Sisson Mount Shasta Comment
  CDA39831  Asclepias speciosa Gordon Leppig, T. LaBanca 1998-7-11 925 Siskiyou French Creek Road. Comment
  HSC46337  Aspidotis densa J. P. Smith 1973-5-5 6429 Siskiyou Along Cook and Green Pass Rd. Comment
  CDA42728  Aspidotis densa D. Janssen & F. D. Horn 1978-6-5 s.n. Siskiyou Summit of Indian Creek to O Brien Road, near Happy Camp. 0 Comment
  SEINET5338519  Aspidotis densa M. J. Williams 1967-9-2 s.n. Siskiyou Cabin Meadow 1829 Comment
  RSA120878  Aster Douglas Barbe 1955-7-26 261 Siskiyou NW slope of Scott Mt. 1829 Comment
  RSA238702  Aster alpigenus Frederick W. Oettinger 1969-8-19 1452 Siskiyou Along the Tanner's Peak Trail, 1/2 mi, NEE of the summit of David Mt. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  UCR139080  Aster ledophyllus Jennifer Whipple 1977-8-4 2158 D Siskiyou Klamath Mountains, Wagon Creek drainagee on the E face of Mount Eddy 2226 Comment
  RSA417705  Aster occidentalis L. C. Wheeler 1934-8-14 3130 Siskiyou North side White Mt., Siskiyou Mts., Mt. Diablo Mer. 1768 Comment
  CAS-BOT-BC178808  Astragalus californicus J. K. Nelson; Rhonda Posey; Mary Ellen Colberg; Twyla Miller 2006-5-19 2006 -014 Siskiyou North side of Mt. Shasta, south of Hwy. 97, Hotlum Fire area, Juniper Flat 7.5 minute quadrangle, 716-4, 1992. 1100 Comment
  CAS-BOT-BC178812  Astragalus californicus R. C. Barneby; H. D. Ripley 1948-7-5 9633 Siskiyou 2 miles SW of Yreka 853 Comment
  RSA109717  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
  RSA94041  Astragalus curvicarpus R. C. Barneby 1954-5-15 11504 Siskiyou 2.5 miles n. of Gazelle. 838 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-BC177862  Astragalus curvicarpus var. curvicarpus Elmer I. Applegate 1935-6-5 9330 Siskiyou Lyons road, north boundary area, Lava Beds National Monument Comment
  HSC81526  Astragalus whitneyi var. siskiyouensis Thomas W. Nelson, Jane P. Nelson 1980-7-17 6071 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  HSC81752  Astragalus whitneyi var. siskiyouensis Thomas W. Nelson, Jane P. Nelson 1980-7-20 6190 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  JEPS82266  Astragalus whitneyi var. siskiyouensis Roger Raiche 1983-8-13 30596 Siskiyou summit area of Mt. Eddy 2743 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
  HSC973  Athyrium distentifolium var. americanum Dorothy Parker 1949-7-10 332 Siskiyou Green Meadow near Paradise Lake, Salmon Mtn. 1982 Comment
  UC399393  Athyrium distentifolium var. americanum Geo. D. Butler 1909-7-15 876 Siskiyou head of Taylor Creek Comment
  HSC69747  Athyrium filix-femina var. cyclosorum Maralyn A. Renner 1980-8-6 2243 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  UC150686  Athyrium filix-femina var. cyclosorum Copeland 1903-9-5 3848 Siskiyou Mt. Eddy Comment
  UC433180  Athyrium filix-femina var. cyclosorum J. G. Lemmon Siskiyou Mt Shasta Comment
  RSA47777  Athysanus pusillus Roxana S. Ferris, Laura Lorraine 11856 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side. 1418 Comment
  JEPS93962  Atriplex heterosperma Vernon H. Oswald and Lowell Ahart 1998-9-16 9649 Siskiyou 3 mi s of Highway 161 (Tour Route at Lower Klamath National Wildlife Refuge); Lower Klamath National Wildlife Refuge 1243 Comment
  UC1191301  Atriplex triangularis Verne Grant and Irving Schneider 1947-8-25 8287 Siskiyou w side Tule Lake; w side Tule Lake Comment
  HSC43816  Balsamorhiza deltoidea M. A. Baker 1977-5-22 327 Siskiyou One mile west of Hwy. 3, on the road to Little Duck and Sugar Lakes Comment
  JEPS76149  Balsamorhiza lanata Susan Horner 1977-5-31 72 Siskiyou ca. 1.5 mi sw of, s end of Shasta Valley Weed; Shasta Valley 1042 Comment
  HSC75155  Balsamorhiza sericea Thomas W. Nelson, Jane P. Nelson 1979-5-26 4716 Siskiyou Along Hwy. 3, N of Scott Mtn. Summit, at junction with FS Rd. 40N03 1524 Comment
  CAS-BOT-BC16690  Barbarea orthoceras L. E. Smith 1914-5-5 653 Siskiyou Dunsmuir. Comment
  UC375287  Barbarea orthoceras Geo. D. Butler 1910-7-7 1659 Siskiyou Shackelford Creek 1219 Comment
  UCR101150  Berberis aquifolium var. aquifolium L. C. Wheeler 1959-7-19 7583 Siskiyou Saloman and Marble Mtns, Near White Bear Mine, Callahan Gulch off Black Bear Creek. Comment
  UC164979  Berberis nervosa Geo. D. Butler 1908-8-22 540 Siskiyou Eldridges' Corral, Russian Creek Eldridges' Corral Comment
  CAS-BOT-BC75927  Berberis piperiana Carl B. Wolf 1934-7-5 5973 Siskiyou 7 miles from Oak Knoll Ranger Station on Klamath River, on road to Dry Lake Lookout, Siskiyou Mountains. 1371 Comment
  RSA715951  Betula occidentalis L. Ahart, John Dittes 2005-6-10 12072 Siskiyou About 50 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 777 Comment
  JEPS24810  Bidens cernua Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6819 Siskiyou 7 mi e Callahan 1127 Comment
  HSC85694  Blepharipappus scaber J. P. Smith 1980-8-24 10346 Siskiyou Klamath National Forest. SR 3, 2.7 miles from Scott Mtn. summit, at road to Carmen Lake 1341 Comment
  UC166582  Blepharipappus scaber Geo. D. Butler 1909-5-10 697 Siskiyou Yreka Comment
  CAS-BOT-BC16893  Boechera R. E. Frenkel 1964-7-14 677 Siskiyou In Panther Meadow campground near Mount Shasta. 2377 Comment
  CAS-BOT-BC15789  Boechera acutina John Thomas Howell 1939-8-2 14945 Siskiyou Marble Mountains. Spirit Lake. Comment
  SEINET5340096  Boechera breweri subsp. shastaensis G. Butler 1910-5-21 1379 Siskiyou Klamath River rock crevices. Comment
  CAS-BOT-BC16240  Boechera divaricarpa F. D. Douthitt 1923-7-13 43107 Siskiyou Klamath Forest. Dry Lake Mountain. 2133 Comment
  UC136187  Boechera howellii Dr. E. B. Copeland 1903-8-16 3914 Siskiyou Mt. Shasta 2438 Comment
  UCD114342  Boechera howellii Robert E. Preston 1984-7-26 495 Siskiyou Green Butte, on s slope of Mt. Shasta. Comment
  UCD77344  Boechera lyallii Robert E. Preston 2002-7-14 1933 Siskiyou Klamath National Forest, N slope of Rainbow Mountain. 1981 Comment
  UC1783914  Boechera pauciflora Geo. D. Butler 1908-8-4 125 Siskiyou head of Shackelford Creek 1676 Comment
  CAS-BOT-BC14112  Boechera pauciflora Alice Eastwood; John Thomas Howell 1934-4-20 1768 Siskiyou Near Yreka along Shasta River. Comment
  UC1483503  Boechera pinetorum J. Sawyer and J. Cole 1980-7-21 3840 Siskiyou n of F.S. Road 44N01 (near intersection with road to Lava Camp); Klamath National Forest, Medicine Lake Quad. 1676 Comment
  CHSC96093  Boechera retrofracta L. P. Janeway 2006-7-3 8752 Siskiyou Klamath Ranges. Salmon Mountains; Music Creek Trailhead near upper Music Creek. 1893 Comment
  CAS-BOT-BC410948  Boechera sparsiflora L. E. Smith 1913-5-28 309 Siskiyou Yreka Comment
  CAS-BOT-BC25691  Boechera sparsiflora John Thomas Howell 1937-7-26 13567 Siskiyou Salmon River Canyon. Between Big Flat and Caribou Gulch. Comment
  UC1483551  Boechera subpinnatifida Maralyn A. Renner 1980-6-9 854 Siskiyou ridge se F.S. Road 45N35; Klamath National Forest, Yreka Quad. 1341 Comment
  CAS-BOT-BC25929  Boechera suffrutescens John Thomas Howell 1937-7-24 13379 Siskiyou Salmon-Trinity Alps. Caribou Basin. 2286 Comment
  CAS-BOT-BC25916  Boechera suffrutescens John Thomas Howell 1937-7-29 13632 Siskiyou Summit ridge of Scott Mountain between Siskiyou and Trinity counties. Comment
  POM32013  Boisduvalia densiflora E. B. Copeland 1903-7-7 3543 Siskiyou Hornbrook. Comment
  CHSC30650  Boykinia major M. S. Taylor 1980-7-8 3105 Siskiyou On nw side of Castle Lake. 1615 Comment
  JEPS74518  Boykinia major W. J. Ferlatte 1966-8-3 289 Siskiyou Josephine Lake Basin; Trinity Alps, Josephine Lake basin 1676 Comment
  HSC64832  Boykinia occidentalis J. P. Smith, Steve Selva 1970-6-14 3886 Siskiyou 1 mi. E of Steinacher Creek Rd. on Rd. to Forks of Salmon Comment
  RSA298356  Boykinia occidentalis J. P. Smith, Steve Selva 1970-6-14 3886 Siskiyou 1 mile E of Steinacher Creek Rd on road to Forks of Salmon. Comment
  UC164282  Brodiaea elegans subsp. elegans Geo. D. Butler 1910-5-29 1421 Siskiyou meadow near Yreka Comment
  SBBG15560  Brodiaea elegans subsp. elegans D. Myrick 1961-6-21 294 Siskiyou Hwy 99, just S of Yreka 914 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
  CDA1788  Bromus briziformis Don Shaw 1971-9-7 Siskiyou Ball Mountain Road, 12 miles east of Montague. 0 Comment
  SEINET3921875  Bromus carinatus var. carinatus Jennifer J. Whipple 1978-7-20 2358 Siskiyou Draining into the North Fork of the Sacramento River.; 0 2377 Comment
  HSC30546  Bromus carinatus var. marginatus Frederick W. Oettinger 1969-9-1 1576 Siskiyou Inlet to Dry Lake, Salmon Mtns. 2027 Comment
  CAS-BOT-BC155959  Bromus commutatus Louis C. Wheeler 1934-6-22 2748 Siskiyou Siskiyou Mountains. Cottonwood Creek. 914 Comment
  HSC103038  Bromus commutatus J. P. Smith 2014-6-7 13896 Siskiyou Along State Route 3 at its junction with the East Fork of the Scott River 994 Comment
  HSC9169  Bromus commutatus L. C. Wheeler 1934-6-22 2748 Siskiyou Cottonwood Creek. 915 Comment
  RSA239066  Bromus marginatus Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1154 Siskiyou above Sundew Bog; English lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC1190229  Bromus orcuttianus Ira L. Wiggins 1955-7-24 13497 Siskiyou between upper reaches of China Creek and Blind Horse Creek 1645 Comment
  UC204779  Bromus racemosus Geo. D. Butler 1908-6-25 476 Siskiyou near Yreka Comment
  HSC101710  Bromus sterilis J. P. Smith, J. O. Sawyer 2011-6-25 13258 Siskiyou At the junction of Hwy. 3 and Callahan - Gazelle Road. 834 Comment
  JEPS73745  Bromus tectorum George D. Butler 1908-6-25 474 Siskiyou Butler's Ranch near Yreka Comment
  SEINET10515131  Bromus tectorum A. Arthur Heller 1905-6-9 Heller 8012 Siskiyou Montague. Comment
  CAS-BOT-BC185382  Bromus vulgaris John Thomas Howell 1937-7-23 13364 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC273226  Cacaliopsis nardosmia Lincoln Constance; Reed C. Rollins 1942-5-13 2906 Siskiyou Klamath--Siskiyou Region. Klamath River 4 miles east of Seiad 457 Comment
  RSA30370  Cacaliopsis nardosmia Lincoln Constance, Reed C. Rollins 1942-5-13 2906 Siskiyou Klamath-Siskiyou Region: Klamath River 4 miles east of Seiad. 457 Comment
  RSA238387  Calamagrostis canadensis Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1184 Siskiyou north of Tobacco Lake. Salmon Mountain; The High Lake Basins in the Vicinity of English Peak Marble Mountain Wilderness Area. 1890 Comment
  RSA238992  Calamagrostis canadensis Frederick W. Oettinger 1969-8-16 1404 Siskiyou Wire Grass Meadow, English Lake Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  UC1265349  Calamagrostis koelerioides F. W. Oettinger 1968-9-7 772 Siskiyou nw slope of ridge above Tobacco Lake; Salmon Mountains 2011 Comment
  UCD57335  Calamagrostis koelerioides Beecher Crampton 1956-8-21 3825 Siskiyou the headwater of the south fork of the Sacramento River, 1/2 mile northeast of Gumboot Lake. 1767 Comment
  SEINET10900602  Calamagrostis koelerioides A. Arthur Heller 1915-8-26 Heller 12243 Siskiyou Open gravelly places, north side of Mt. Eddy. Douglas fir and white fir are the principal trees, Ceanothus, Quercus vaccinifolia and manzanita common shrubs. Comment
  HSC65506  Callitropsis nootkatensis Rich White 1977-6-20 85 Siskiyou NE area around Devils Punchbowl 1433 Comment
  CAS-BOT-BC85734  Calocedrus decurrens A. A. Heller 1915-8-26 12254 Siskiyou Metcalf's ranch at the foot of Mt. Eddy 1188 Comment
  HSC68393  Calocedrus decurrens Maralyn A. Renner 1980-6-26 1247 Siskiyou SE edge of Flint Valley. 1390 Comment
  OBI55489  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
  CAS-BOT-BC488603  Calochortus elegans var. nanus Marion Ownbey; D. H. Brown 1941-6-23 2429 Siskiyou On ridge near Gunsight Peak, Mountains west of Yreka Comment
  CAS-BOT-BC488604  Calochortus elegans var. nanus Marion Ownbey; D. H. Brown 1941-6-23 2429 Siskiyou On ridge near Gunsight Peak, Mountains west of Yreka Comment
  HSC44581  Calochortus elegans var. nanus Laura Witherspoon 1977-6-22 Siskiyou Off G-O Rd. at the boundary of Humboldt-Siskiyou Counties 1494 Comment
  HSC60468  Calochortus elegans var. nanus Carl Wishner 1978-7-19 552 Siskiyou Monument Lake, Marble Mtn. Wilderness Area 1768 Comment
  SEINET12047246  Calochortus longebarbatus E. F. Heinitz 1980-1 27 Siskiyou at Tom Young Flat ca 2 mi NW of Pondosa 1292 Comment
  RSA52433  Calochortus macrocarpus Dorothy Parker 1948-7-26 158 Siskiyou Cal-Ore, near Calif.-Ore. border 1220 Comment
  HSC82362  Calochortus nudus Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4515 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  SBBG22937  Calochortus nudus H. and M. Dearing 1939-6-5 3558 Siskiyou S of McCloud Comment
  CAS-BOT-BC493095  Calochortus nudus Frank Callahan 2007-7-5 s.n. Siskiyou Methodist Camp meadows above or west of Scott Camp Creek 1482 Comment
  HSC15410  Calochortus nudus Dorothy Parker 1949-7-4 Siskiyou Summit of Scott Mtn. 1677 Comment
  SEINET8273312  Calochortus nudus Frank Callahan 2007-7-5 Siskiyou Methodist Camp Meadows above or west of Scott Camp Creek. 1483 Comment
  HSC49930  Calochortus persistens G. L. Clifton, Ground 1978-6-18 1270 Siskiyou Near Humbug close to the town of Yreka 1353 Comment
  CAS-BOT-BC132630  Calochortus uniflorus Wm. Bridge Cooke 1938-7-15 11219 Siskiyou In lower Wagon Camp Comment
  UC922381  Caltha biflora Annie M. Alexander and Louise Kellogg 1949-7-28 5879 Siskiyou Sky High Valley; Marble Mountains. 1767 Comment
  RSA255552  Calycadenia ciliosa Gerald D. Carr 1974-9-12 783 Siskiyou 0.4 miles east of Somesbar on Etna-Somesbar Road Comment
  CAS-BOT-BC272751  Calycadenia truncata subsp. truncata L. E. Smith 1913-8-20 540 Siskiyou Montague Comment
  HSC2414  Calyptridium monospermum William J. Ferlatte 1966-8-5 337 Siskiyou Caribou Mtn. 2470 Comment
  UC852133  Calyptridium umbellatum John Thomas Howell 1939-8-2 14866 Siskiyou Spirit Lake; Marble Mountains, Spirit Lake 1828 Comment
  CDA39861  Calystegia malacophylla D. H. Shaw & J. R. Keck 1977-7-19 s.n. Siskiyou Coffee Creek near Big Flat Campground, Klamath National Forest. 0 Comment
  CAS-BOT-BC221256  Calystegia malacophylla subsp. malacophylla Wm. Bridge Cooke 1940-6-7 15098 Siskiyou Along the Pacific Highway near Black Butte Comment
  JEPS101705  Calystegia malacophylla subsp. malacophylla Dean W. Taylor 1997-6-12 16066 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle 944 Comment
  UC54565  Calystegia malacophylla subsp. malacophylla H. M. Hall and E. B. Babcock June, 1903 4034 Siskiyou near Dunsmuir (Mount Shasta); , near Dunsmuir 762 Comment
  CAS-BOT-BC221262  Calystegia malacophylla subsp. malacophylla L. E. Smith 1913-7-12 479 Siskiyou Mt. Eddy Comment
  HSC99985  Calystegia malacophylla subsp. malacophylla Thomas W. Nelson 2005-7-16 9378 Siskiyou Along F. S. Rd. 42N16. 1337 Comment
  HSC42976  Calystegia occidentalis subsp. occidentalis J. O. Sawyer, Ken Stillman 1976-5-29 2738 Siskiyou Along Specimen Creek 915 Comment
  CAS-BOT-BC497300  Camassia leichtlinii var. suksdorfii Elmer I. Applegate 1898-5-14 2123 Siskiyou At Shovel Creek Hot Springs on Klamath River 853 Comment
  CAS-BOT-BC160895  Camissonia tanacetifolia subsp. tanacetifolia G. D. Hanna; M. M. Hanna 1956-6-1 s.n. Siskiyou Junction of Highway 139 and Glass Mountain Road Comment
  SEINET10463158  Campanula prenanthoides Louis Krautter 1905-7-8 Krautter s.n. Siskiyou S. OF MT SHASTA Comment
  SEINET10463159  Campanula prenanthoides Rose 1945-7-22 Rose 45153 Siskiyou Horse Creek and Klamath River. 503 Comment
  RSA183736  Campanula rotundifolia Gilbert Muth 1965-8-18 235 Siskiyou Marble Mts.; trail behind Black Mt. Comment
  SEINET10463374  Campanula scabrella Clifton 1978-7-26 CLIFTON 6421 Siskiyou NEAR DEADFALL, CHINA MT QUAD., IN CONIFER FOREST 2341 Comment
  SEINET10972070  Campanula scabrella George Engelmann 1880-8-30 Engelmann s.n. Siskiyou SCOTTS MOUNTAIN UNDER PINUS ALBICAULIS & P. BALFOURIANA 2134 Comment
  JEPS82114  Campanula scouleri Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7453 Siskiyou about 13 airline mi nw Happy Camp (on jeep-road along Del Norte-Siskiyou cty boundary (ridge top) dividing Indian Creek drainage from Illinois River, leading to Twin Vly) Comment
  SEINET10463784  Campanula scouleri Setchell 1902-7-13 SETCHELL s.n. Siskiyou Mount Shasta; Sisson Comment
  SEINET10972124  Campanula wilkinsiana Graves 1944-8-28 GRAVES s.n. Siskiyou Panther Meadows, Mt. Shasta Comment
  HSC90977  Cardamine californica Jennifer Whipple 1977-8-5 2169 Siskiyou Mt. Eddy, Wagon Creek drainage near Wagon Creek 2287 Comment
  SD123686  Carex Robert T. Clausen, Harold Trapido 1940-7-27 4963 Siskiyou Southern Cascade Mountains; Sacramento River Basin; in volcanic dust in open woods 6.25 miles north-northeast of summit of Mt. Shasta. 1829 Comment
  CAS-BOT-BC18388  Carex A. A. Heller 1916-7-20 12468 Siskiyou Near Wagon Creek, east side of Mt. Eddy in the yellow pine belt. 1524 Comment
  HSC35808  Carex abrupta J. O. Sawyer 1969-7-12 1346 Siskiyou Edge of Sugar Lake 1799 Comment
  HSC29661  Carex abrupta Frederick W. Oettinger 1968-9-6 803 Siskiyou Marble Mtn. Wilderness Area, W shore of Hancock Lake 1890 Comment
  HSC36252  Carex abrupta J. O. Sawyer 1969-7-24 1346 Siskiyou Edge of Sugar Lake 1784 Comment
  SEINET7549680 Image available Carex amplifolia A. A. Heller 1905-6-5 7982 Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  HSC76375  Carex aquatilis var. dives L. P. Janeway 1982-7-2 36 Siskiyou Poker Flat, end of FS Rd. 18N33 1524 Comment
  JEPS63764  Carex athrostachya B. C. Goldsmith 1916-9-29 32 Siskiyou Lava ash-pumice, Medicine Lake. Comment
  CAS-BOT-BC18130  Carex athrostachya Melissa A. Berry 1957-7-1 s.n. Siskiyou Highway 97 near Hebron Summit. 1524 Comment
  CAS-BOT-BC19084  Carex aurea William Bridge Cooke 1939-6-23 13539 Siskiyou Mount Shasta. Wagon Camp. 1737 Comment
  CAS-BOT-BC19562  Carex bolanderi H. A. Thomas; J. H. Thomas 1954-7-21 4416 Siskiyou Salmon - Trinity Mountains. About 6 miles SE of Cecilville. West side of Rush Creek. 1158 Comment
  UC827030  Carex bolanderi John Thomas Howell 1939-8-3 14989 Siskiyou Spirit Lake Marble Mountains 1828 Comment
  CHSC96545  Carex brainerdii L. P. Janeway 2006-7-2 8729 Siskiyou Klamath Ranges. Salmon Mountains; near minor drainage to South Fork Scott River from the west, 1.6 km north of Carter Meadows Summit. 1728 Comment
  RSA237231  Carex deflexa var. boottii Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1217 Siskiyou Near Crapo Peak at Crapo View Gap. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  HSC71096  Carex echinata subsp. echinata Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4513 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  HSC96548  Carex echinata subsp. echinata Gordon Leppig 1998-7-10 904 Siskiyou Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  HSC98401  Carex echinata subsp. echinata Jennifer Whipple 1977-8-6 2211 Siskiyou Mt. Eddy, SW of Dobkins Lake along drainage into the lake 2195 Comment
  HSC39312  Carex feta J. O. Sawyer 1969-7-9 1215 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  CAS-BOT-BC20753  Carex fracta David D. Keck 1938-8-7 4858 Siskiyou Scott Mountain Lodge, 2 mi. E of Callahan on E Fork of Scott River at junction with Mill Creek. 1000 Comment
  UCD77468  Carex fracta Robert E. Preston 2003-7-29 2167 Siskiyou Rainbow Mountain 1785 Comment
  JEPS63657  Carex fracta B. C. Goldsmith 1916-10-10 38 Siskiyou Willow Creek, Mount Shasta Comment
  JEPS105060  Carex gigas Dean W. Taylor 1996-7-11 15777 Siskiyou Scott Mountains; West Park Lakes (about 15 air miles west of Weed); Shasta-Trinity National Forest 2194 Comment
  CHSC69096  Carex halliana Vernon Oswald; Lowell Ahart 1997-7-28 8798 Siskiyou Schonchin Spring Campground at Medicine Lake. 2057 Comment
  SEINET7561712 Image available Carex hoodii John Thomas Howell 1937-7-21 13196 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  UCD140450  Carex hoodii Wm. E. Moon 1958-5-29 s.n. Siskiyou State Hwy. 97, southwest of Hebron Summit. 1524 Comment
  CAS-BOT-BC7662  Carex integra John Thomas Howell 1937-7-25 13483 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  HSC85799  Carex integra L. P. Janeway 1983-7-24 445 Siskiyou Poker Flat, upper portion of meadow 1524 Comment
  CHSC109979  Carex interior Peter F. Zika; Barbara Wilson 2011-7-31 25669 Siskiyou FS Road 41N03, 1.6 road miles from junction with Gazelle-Callahan Road, 1.5 air miles NE of Mountain House, 3.5 air miles NW of Crater Lake, Scott Mountains. 1600 Comment
  CAS-BOT-BC7618  Carex interior W. J. Ferlatte 1966-8-2 236 Siskiyou Between campground and South Fork of the Salmon River. Big Flat Hillside seep forming boggy meadow. 1524 Comment
  UC1265341  Carex jonesii Frederick W. Oettinger 1969-8-19 1454 Siskiyou Abbott's Basin Salmon Mountains, Marble Mountain Wilderness Area 1905 Comment
  RSA237297  Carex jonesii Frederick W. Oettinger 1969-8-19 1454 Siskiyou Abbott s Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  UCR66602  Carex kelloggii J. T. Howell 1939-8-3 14960 Siskiyou Marble Mountains, Spirit Lake. 1829 Comment
  HSC39255  Carex laeviculmis J. O. Sawyer 1968-7-10 511 Siskiyou On Sugar Creek just above confluence with S Sugar Creek 1707 Comment
  CAS-BOT-BC28431  Carex lenticularis var. lipocarpa John Thomas Howell 1937-7-23 13339 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  RSA237288  Carex lenticularis var. lipocarpa Frederick W. Oettinger 1968-9-7 750 Siskiyou North side of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  HSC37424  Carex leptopoda J. O. Sawyer 1969-8-5 1955 Siskiyou Above the S Fork of Sugar Creek 1814 Comment
  CHSC106525  Carex luzulina Peter F. Zika 2009-6-18 24534 Siskiyou Klamath Range (KR). Meadow near Pacific Crest Trail, Route 3, Scott Mountain Summit. 1640 Comment
  JEPS109246  Carex luzulina var. ablata D. W. Taylor 2005-8-18 19481 b Siskiyou Dry Creek Peak, cirque on N-face at headwaters of Antelope Creek, ca 12 air miles NE of the summit of Mt. Shasta. Comment
  POM254198  Carex luzulina var. ablata J. T. Howell 1939-8-7 15120 Siskiyou Marble Mountain: Sky High Valley. 1829 Comment
  CAS-BOT-BC31687  Carex mariposana Louis C. Wheeler 1934-8-2 3014 Siskiyou Jaynes Canyon 2042 Comment
  CAS-BOT-BC31780  Carex mertensii Rimo Bacigalupi; Mr. VanDeventer; Mrs. VanDeventer 1959-7-10 7301 Siskiyou Along streamside in Twin Valley, Siskiyou Mts., just E of Del Norte Co. Line 1493 Comment
  HSC29631  Carex mertensii Frederick W. Oettinger 1969-8-6 1233 Siskiyou Marble Mtn. Wilderness Area, NW of Pine Lake 1883 Comment
  HSC77204  Carex mertensii L. P. Janeway 1983-8-13 529 Siskiyou S side and above S Fork Indian Creek 1433 Comment
  JEPS84064  Carex microptera L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6436 Siskiyou ca. 5 mi n town of Seiad Valley (cirque at head of Hell's Canyon, e slope of Kangaroo Mountain); Kangaroo Mountain, Hell's Canyon 1828 Comment
  RSA724913  Carex multicaulis L. P. Janeway 2006-7-2 8730 Siskiyou Klamath Ranges: Salmon Mountains; Near minor drainage to South Fork Scott River from the west, 1.6 km north of Carter Meadows Summit. 1728 Comment
  UC495521  Carex multicaulis Geo. D. Butler 1909-7-15 853 Siskiyou Highland Mine Comment
  RSA364653  Carex multicaulis Christopher Davidson 1975-6-5 2651 Siskiyou 9.1 miles W of Gazelle on road to Callahan. Klamath National Forest. 1120 Comment
  CAS-BOT-BC32278  Carex multicostata Lewis Samuel Rose 37593 Siskiyou S slope of Mt. Shasta 1767 Comment
  CAS-BOT-BC32283  Carex multicostata William J. Ferlatte 1966-6-22 115 Siskiyou Josephine Lake basin. 1920 Comment
  JEPS25660  Carex multicostata Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7303 Siskiyou 4 air-line mi nne Preston Peak (meadow at Twin Valley just e of Del Norte county line); Siskiyou Mts., watershed of Indian Creek, Twin Valley Comment
  UC642550  Carex nebrascensis J. W. Stacey 1939-6-23 13502 Siskiyou near Municipal Spring (above Howard); Mount Shasta Comment
  CAS-BOT-BC119898  Carex nebrascensis J. W. Stacey 1939-6-23 13502 Siskiyou In wet place in abandoned roadway near the Municipal Spring above Howard. 1280 Comment
  JEPS109224  Carex nervina D. W. Taylor 2005-8-18 19476 Siskiyou Dry Creek Peak, cirque on north face at headwaters Antelope Creek, ca 12 air miles NE of the summit of Mt. Shasta. Comment
  UC194551  Carex nudata Geo. D. Butler 1910-7-6 1646 Siskiyou Shackleford Creek 914 Comment
  SEINET10711621  Carex nudata George D. Butler 1910-5-21 Butler 1377 Siskiyou Klamath River. Comment
  CAS-BOT-BC119205  Carex pachystachya Louis C. Wheeler 1934-7-2 2841 Siskiyou Little Smoky Creek, Sterling Mt. Siskiyou Mts. 1280 Comment
  CHSC40202  Carex pachystachya L. P. Janeway 1983-8-27 622 Siskiyou South end and sl above dry bed of vernal pond. Near the Twin Valley/Poker Flat trail. 1676 Comment
  CAS-BOT-BC119130  Carex phaeocephala William J. Ferlatte 1967-8-21 1077 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake 2286 Comment
  RSA238933  Carex preslii Frederick W. Oettinger, Robert F. Thorne 1969-8-5 1203 Siskiyou Willow Spring, between English Lake and Abbott s. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  CHSC53659  Carex rossii L. P. Janeway; Gary Benson, Randy Harrison 1984-8-20 1056 A Siskiyou On cinder cone SW of Undertakers Camp. 2087 Comment
  HSC68504  Carex rossii Maralyn A. Renner 1980-6-22 935 Siskiyou 1 mi. N of Little Shasta River 1402 Comment
  HSC62616  Carex rossii Ruby Van Deventer Siskiyou Youngs Valley Comment
  HSC76830  Carex rostrata L. P. Janeway 1982-7-2 37 Siskiyou Poker Flat, end of FS Rd. 18N33 1524 Comment
  CAS-BOT-BC117907  Carex scabriuscula John Thomas Howell 1937-7-29 13673 Siskiyou North side of Scott Mt. Comment
  UCD140807  Carex scabriuscula J. T. Howell; T. C. Fuller, G. D. Barbe 1980-5-20 2763 Siskiyou north of Trinity Center, south side of Trinity River, west of Highway 3, 0.4 mile north of Coffee Creek Road. 733 Comment
  CHSC107105  Carex scirpoidea subsp. pseudoscirpoidea R. E. Brainerd 2009-7-21 1534 Siskiyou Trinity Mountains, Cumboot Meadow; 12.2 air miles west of Dunsmuir. UTM Zone 10 541147E 4562996N. 1821 Comment
  HSC39284  Carex scopulorum J. O. Sawyer 1969-7-11 1327 Siskiyou S Sugar Creek 1829 Comment
  HSC91264  Carex scopulorum Jennifer Whipple 1977-8-6 2213 Siskiyou Mt. Eddy, SW of Dobkins Lake along drainage into the lake 2195 Comment
  RSA238969  Carex scopulorum Frederick W. Oettinger 1969-8-19 1455 Siskiyou Abbott s Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1905 Comment
  HSC62585  Carex scopulorum var. bracteosa Al Hobart 1968-6-18 Siskiyou Youngs Valley Comment
  CAS-BOT-BC117258  Carex spectabilis John Thomas Howell 1939-8-9 15232 Siskiyou Ridge South of Marble Valley, Marble Mts. Comment
  CAS-BOT-BC117240  Carex spectabilis William Bridge Cooke 1939-7-26 13748 Siskiyou In the west boreal spring above Panther Creek Meadows. 2743 Comment
  HSC61965  Carex spectabilis Al Hobart 13 Aug [year missing] Siskiyou Preston Peak 2073 Comment
  HSC76309  Carex spectabilis L. P. Janeway 1982-8-15 141 Siskiyou Above Echo Lake 1799 Comment
  UC1265479  Carex spectabilis Frederick W. Oettinger 1969-8-19 1439 Siskiyou se Arrow Peak (n of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  SEINET10749734  Carex sterilis A. Arthur Heller 1905-6-15 Heller 8041 Siskiyou Near Sisson. Comment
  UC70640  Carex stipata var. stipata T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  RSA186337  Carex straminiformis Gilbert Muth 1966-10-16 26 Siskiyou Marble Mountains 1793 Comment
  HSC38962  Carex subfusca D. H. Norris May 1970 12268 Siskiyou Haypress Meadows, Marble Mtn. Wilderness Area Comment
  CAS-BOT-BC115840  Carex subfusca Alice Eastwood 1921-7-24 10768 Siskiyou Bigelows on the McCloud R. Comment
  CAS-BOT-BC115847  Carex subfusca William Bridge Cooke 1940-7-5 15289 Siskiyou In the sedge swamp at Wagon Camp. 1737 Comment
  RSA238961  Carex vesicaria Frederick W. Oettinger 1969-8-22 1506 Siskiyou Along N shoreline of Horse Range Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1822 Comment
  CAS-BOT-BC114817  Carex whitneyi J. Major 1961-7-14 645 Siskiyou In Mud Creek, Mount Shasta. 1706 Comment
  CAS-BOT-BC59707  Cassiope mertensiana Ira L. Wiggins 1955-7-29 13570 Siskiyou Pass at sw. end of Caribou L., Salmon-Trinity Alps Primitive Area. 2072 Comment
  HSC22112  Cassiope mertensiana subsp. ciliolata J. O. Sawyer 1969-7-9 1274 Siskiyou NE facing slope above S Sugar Lake 2256 Comment
  CAS-BOT-BC248987  Castilleja Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  CHSC69836  Castilleja applegatei subsp. pinetorum Jennifer Whipple 1976-6-30 1203 Siskiyou Mount Eddy, Klamath Mountains. Southeast slope of Mount Eddy draining into the North Fork of the Sacramento River. 2225 Comment
  HSC77352  Castilleja applegatei subsp. pinetorum L. P. Janeway 1983-8-7 518 Siskiyou Near end of Rd. 17N32 (the S Fork Indian Cr. Rd.), 19 mi. from the Indian Creek Rd. 1555 Comment
  HSC81582  Castilleja applegatei subsp. pinetorum Thomas W. Nelson, Jane P. Nelson 1980-7-17 6086 Siskiyou Along FS Rd. 17, 1 mi. N of summit at county line 2073 Comment
  JEPS23766  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6785 Siskiyou a little above and e McBride Springs (s slopes of Mt. Shasta); Mt. Shasta 1432 Comment
  JEPS5212  Castilleja applegatei subsp. pinetorum Geo. D. Butler 1909-4-17 630 Siskiyou near Yreka Comment
  UCD122252  Castilleja applegatei subsp. pinetorum K. M. Meyer; A. Townesmith 2007-8-2 182 Siskiyou Shasta-Trinity National Forest, 0.1 mi. on Forest Service Rd. 43N21, 12.5 mi on Hwy. 97, east side of road. 1218 Comment
  CAS-BOT-BC243763  Castilleja applegatei var. pinetorum Elmer I. Applegate 1923-8-18 3870 Siskiyou Top of Red Shale Mountain east of Medicine Lake 2438 Comment
  CAS-BOT-BC243764  Castilleja applegatei var. pinetorum Elmer I. Applegate 1923-8-18 3878 Siskiyou West base of Redshale Mountain, east side of Medicine Lake 1981 Comment
  HSC19028  Castilleja arachnoidea J. O. Sawyer 1969-8-4 1857 Siskiyou Slope SW of South Sugar Lake 2195 Comment
  JEPS6841  Castilleja arachnoidea H. A. Thomas and J. H. Thomas 1954-7-24 4481 Siskiyou about 9 mi e Cecilville (vicinity of Rush Lake and Rush Creek Meadow); Salmon-Trinity Mts., Rush Lake, Rush Creek Meadow 1828 Comment
  JEPS84015  Castilleja arachnoidea L. R. Heckard with J. Hickman et al. 1986-7-17 6493 Siskiyou ca 14.5 mi from Hwy 96 (Walker) (Oak Knoll Ranger Station road to Condrey Mt., near Dry Lake); road to Condry Mt., near Dry Lake 1950 Comment
  UC163704  Castilleja arachnoidea Geo. D. Butler 1908-8-6 422 Siskiyou n of and summit above West Fork Wooley Creek; ; N of W Fork Wooly Creek(?) Comment
  RSA215641  Castilleja arachnoidea subsp. schizotricha Gilbert Muth 1969-8-6 1209 Siskiyou Boulder Peak. 2530 Comment
  JEPS4342  Castilleja lacera W. L. Jepson 1940-7-3 20119 Siskiyou 5 mi se Bartle; Big Bear Flat 1219 Comment
  UC673469  Castilleja lacera H. L. Mason 1931-5-9 5871 Siskiyou 3 mi w Weed Comment
  SJSU2090  Castilleja linariifolia J. W. Tilden 1958-6-25 1260 Siskiyou near Monument Headquarters, Lava Beds National Monument Comment
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  HSC690  Castilleja miniata William J. Ferlatte 1967-8-23 1112 Siskiyou Head of Kidd Creek 2134 Comment
  UC1409380  Castilleja miniata Frederick W. Oettinger 1968-8-6 424 Siskiyou se corner Hancock Lake (vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1950 Comment
  UC1552689  Castilleja miniata Steve Morgan 1987-7-28 Siskiyou 5 mi nw McCloud (McGinnis Springs, s of Mt. Shasta); Shasta-Trinity National Forest, McGinnis Springs 1767 Comment
  UC637086  Castilleja miniata Edward Lee 1934-8-15 1128 Siskiyou summit of Happy Camp to Waldo (Oregon) road (Indian Creek watershed); Klamath National Forest, Indian Creek 1615 Comment
  HSC91230  Castilleja miniata subsp. miniata Jennifer Whipple 1977-8-6 2196 Siskiyou SW of Dobkins Lake along the drainage into the lake 2073 Comment
  CHSC71329  Castilleja pruinosa Vernon H. Oswald; Lowell Ahart 1998-6-11 9189 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
  HSC65287  Castilleja pruinosa Rich White 1978-7-6 257 Siskiyou Pond above Elk Hole 1524 Comment
  HSC76975  Castilleja pruinosa K. T. Stillman 1976-6-25 71 Siskiyou Marble Mtn. Wilderness Area 1829 Comment
  JEPS23708  Castilleja pruinosa Rimo Bacigalupi with George Bacigalupi Jr. 1959-7-1 7211 Siskiyou 4.5 mi ne Weed 1066 Comment
  CDA41398  Castilleja pruinosa Vernon H. Oswald & Lowell Ahart 1998-6-11 9189 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  POM42526  Castilleja pruinosa Geo. D. Butler 1910-5-1 1255 Siskiyou Near Yreka. Comment
  CAS-BOT-BC241082  Castilleja schizotricha Annie M. Alexander; Louise Kellogg 1949-7-22 5840 Siskiyou Trail to Kings Castle, top of ridge, Paradise Lake, Marble Mountains 2072 Comment
  SFV8659  Castilleja schizotricha J. M. Tucker, L. K. Mann 1963-8-18 3766 Siskiyou Marble Mountain Wilderness Area. Saddle between Marble Mountain and southwestern ridge of Black Mountain (Black Marble Mountain). 2104 Comment
  CHSC68028  Ceanothus arcuatus James D. Jokerst 1992-7-30 3411 Siskiyou Top of divide between Trinity River, N of road. Pine stand SE of Summit. [No additional location data; W of Interstate 5? V. Oswald]. Comment
  RSA1116  Ceanothus cordulatus B. D. Stark 1929-7-25 1392 Siskiyou 8 miles N of Dunsmuir. 610 Comment
  CAS-BOT-BC49191  Ceanothus cuneatus Doris K. Kildale 1929-6-25 8370 Siskiyou Klamath River, 6 miles north of Hornbrook 609 Comment
  CAS-BOT-BC52113  Ceanothus prostratus Donald Myrick 1961-6-20 268 Siskiyou near Mt. Shasta City Comment
  CAS-BOT-BC53080  Ceanothus prostratus Elmer I. Applegate 1935-6-11 9510 Siskiyou Upper Ice Cave area, Lava Beds National Monument Comment
  CAS-BOT-BC53090  Ceanothus prostratus B. Bartholomew; B. Anderson 1988-5-12 4086 Siskiyou 4 km E of Hambone Butte between Hambone Butte and the N end of White Horse Mountains on Old Two Camp Road. Comment
  HSC40208  Ceanothus prostratus J. P. Smith 1976-5-21 8760 Siskiyou Klamath National Forest, USFS Rd. 40N08 6.2 mi from its junction with Hwy. 3 1463 Comment
  UCD112668  Ceanothus prostratus C. L. Schmidt 1990-6-22 1266 Siskiyou 4 mi. E of Dana on A19 (Mac Arthur Road) to Spring Creek Rd. then 5.2 mi up Spring Creek Rd. then ca. 1.5 mi on jeep road near Timbered Crater. 1005 Comment
  SEINET13946079 Image available Ceanothus sanguineus Linstedt, Strull, Houseman 1984-1 67 Siskiyou T40N R7W SEC32, SW 1/4. Indian Scotty Campground. Elev 2300 ft 701 Comment
  CAS-BOT-BC52804  Ceanothus velutinus var. velutinus Gilbert Muth 1966-7-30 141 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC52812  Ceanothus velutinus var. velutinus John Thomas Howell 1939-8-3 15016 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC99610  Ceanothus velutinus var. velutinus G. L. Clifton, Griswold 1979-6-28 6149 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  CHSC4718  Centaurea cyanus R. Carter 1966-5-15 400 Siskiyou Ca. 5 mi. N of Callahan along w side road on W side Scott R. 914 Comment
  SEINET13331149 Image available Centaurea maculosa T. C. Fuller 1963-8-26 11155 Siskiyou Abundant in barley, also in adjacent lawn of ranch house and rangeland, W.H. Kerr, Flying K Ranch, upper Quartz Valley, 2 mi. S. of Mugginsville Comment
  POM151916  Cerastium arvense E. B. Copeland 1903-9-7 3850 Siskiyou Mt. Eddy. Comment
  UC375269  Ceratophyllum demersum Geo. D. Butler 1910-8-21 1852 Siskiyou Shasta River Comment
  JEPS45537  Cercocarpus betuloides var. macrourus Geo. D. Butler 1908-7-4 286 Siskiyou below Yreka (Shasta River); Shasta River Comment
  UCD77514  Cercocarpus ledifolius var. intermontanus Robert E. Preston 2001-7-21 1731 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, Rainbow Mountain. 2158 Comment
  JEPS34210  Chaenactis douglasii var. douglasii W. L. Jepson 1940-7-1 20073 Siskiyou 6 mi e of McCloud (Fowlers Camp); McCloud River 944 Comment
  UC584275  Chaenactis suffrutescens G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2439 Siskiyou about 2 mi w of the State Highway (along Pars's Creek); Par's Creek 1036 Comment
  UCR142986  Chaenactis suffrutescens L. C. Wheeler 1935-6-15 3586 Siskiyou Klamath Ranges region, Greenview, Scott Valley 884 Comment
  CAS-BOT-BC141588  Chamaebatiaria millefolium John Thomas Howell 1934-7-4 12399 Siskiyou Se. corner of Siskiyou Co. Comment
  RSA78943  Chamaebatiaria millefolium E. K. Balls, Percy C. Everett 1952-10-12 18170 Siskiyou Modoc Lava Beds Monument, road from Indian Well to Tule Lake, 0.5 miles from Indian Well Ranger Station. 1433 Comment
  SBBG27369  Chamaebatiaria millefolium J. W. Thompson 1936-7-8 13151 Siskiyou lava slopes of Lava Beds Nat Monument Comment
  CAS-BOT-BC85662  Chamaecyparis lawsoniana J. G. Lemmon s.n. Siskiyou Sacramento Comment
  HSC101477  Chamaecyparis lawsoniana J. P. Smith, J. O. Sawyer 2011-7-21 13029 Siskiyou Forest Service Road 14N03 to Flint Valley Comment
  HSC67707  Chamaecyparis lawsoniana John Palmer 1980-7-24 607 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  RSA15484  Chamaesyce serpillifolia L. S. Rose 1936-7-29 36702 Siskiyou Shasta Springs. 762 Comment
  HSC19497  Chamerion angustifolium subsp. circumvagum J. O. Sawyer 1969-8-1 1670 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  CAS-BOT-BC68206  Cheilanthes gracillima Mrs. H. C. Cantelow 1936-5-20 1379 Siskiyou Summit of Salmon Mt. 1818 Comment
  UC725674  Cheilanthes gracillima A. A. Heller 1916-7-20 12470 Siskiyou e side Mt Eddy (near Wagon Creek) 1524 Comment
  UC811572  Cheilanthes gracillima A. A. Heller 1916-7-20 12470 Siskiyou near Wagon Creek Falls (e side Mt Eddy); Mt Eddy 1524 Comment
  UC1190383  Cheilanthes gracillima Ira L. Wiggins 1955-7-27 13531 Siskiyou w side Caribou Lake; Salmon-Trinity Alps Primitive Area Comment
  RSA64788  Chenopodium vulvaria L. C. Wheeler 1934-10-6 11412 Siskiyou Edge of path, Yreka. 793 Comment
  HSC69312  Chimaphila menziesii Maralyn A. Renner 1980-7-24 1969 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  HSC27644  Chimaphila menziesii Carl W. Mize 1972-6-22 85 Siskiyou 976 Comment
  HSC60903  Chimaphila menziesii Al Hobart Siskiyou Black Butte Comment
  UCD117374  Chimaphila menziesii John M. Tucker; L. K. Mann 1963-7-4 3693 Siskiyou Beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. Comment
  CAS-BOT-BC452269  Chimaphila umbellata Dr. E. B. Copeland 1903-8-15 s.n. (distributed as C.F. Baker's 3828 ) Siskiyou Mt. Shasta 1828 Comment
  HSC62628  Chimaphila umbellata Ruby Van Deventer 1957-8-5 Siskiyou Youngs Valley Comment
  RSA138343  Chimaphila umbellata subsp. occidentalis Frederick W. Oettinger, R. F. Thorne 1969-8-7 1279 Siskiyou Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1753 Comment
  CDA3704  Chorispora tenella T. C. Fuller 1970-3-24 19360 Siskiyou Juvenile Hall, south of junction of Annie & State Streets, Yreka. 0 Comment
  CAS-BOT-BC36234  Chrysolepis sempervirens Alice Eastwood 1922-10-18 11542 Siskiyou Shasta Springs Comment
  RSA68860  Chrysolepis sempervirens A. E. Culbertson 1943-7-2 96 Siskiyou Along Castle Lake road from town of Shasta; lower n. slopes of 6600' eastern spur of Trinity Mts., about 10 air miles from headwaters of Sacramento R., to west and 12 miles s.w. of Mt. Shasta. 1220 Comment
  UC618841  Chrysolepis sempervirens unknown 1938-7-22 11330 Siskiyou Sisson Southern Trail; Mount Shasta Comment
  UC711898  Chrysolepis sempervirens Roxana S. Ferris and Laura Lorraine 1941-8-11 10508 Siskiyou about 7 mi from Medicine Lake (on road to Modoc Lava Beds National Monument); Shasta National Forest Comment
  SEINET3134428  Chrysothamnus viscidiflorus subsp. viscidiflorus L. S. Rose 1941-8-28 41427 Siskiyou Dorris 1292 Comment
  UC894871  Chrysothamnus viscidiflorus subsp. viscidiflorus W. Bridge Cooke 1941-8-22 16205 Siskiyou above Hotlum Station (in the Lava Park, n side of Mt. Shasta); Mt. Shasta, Lava Park 1676 Comment
  JEPS15749  Cicuta douglasii Geo. B. Grant Sept, 1902 5141 Siskiyou Mount Shasta, Shasta Springs, Sisson Shasta Springs; Mount Shasta, , Sisson 609 Comment
  UC60954  Cicuta douglasii Geo. B. Grant September 1902 5143 Siskiyou Mount Shasta Comment
  HSC30594  Cinna latifolia Frederick W. Oettinger 1969-8-25 1546 Siskiyou Marble Mountain Wilderness, moist meadow W of Arrow Peak, English Peak region 2012 Comment
  UC165434  Cirsium arvense Geo. D. Butler 1909-10-3 975 Siskiyou Comment
  CHSC91258  Cirsium cymosum Lowell Ahart; John Dittes 2005-6-10 12126 Siskiyou Hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  CAS-BOT-BC279893  Cirsium douglasii var. breweri Alice Eastwood 1917-9-2 6667 Siskiyou Shasta Springs Comment
  CAS-BOT-BC279882  Cirsium douglasii var. breweri A. A. Heller 1927-8-1 14437 Siskiyou Near Deetz, just north of Shasta City Comment
  HSC70600  Cirsium douglasii var. breweri J. O. Sawyer, R. J. Cole 1981-7-2 4152 Siskiyou Near Scott Mtn. Campground 1585 Comment
  UCD130621  Cirsium inamoenum var. inamoenum T. C. Fuller 1979-10-3 20271 Siskiyou both sides of Goosenest Road, 14 km northeast of Tennant. Comment
  CAS-BOT-BC285574  Cirsium occidentale var. candidissimum Alice Eastwood 1912-8-28 1957 Siskiyou Cantara Comment
  CAS-BOT-BC288015  Cirsium occidentale var. candidissimum L. R. Abrams 1922-8-6 9901 Siskiyou Klamath River 6 mi. below Hornbrook Comment
  HSC68225  Cirsium occidentale var. candidissimum J. P. Smith, J. O. Sawyer 1971-9-18 4809 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  JEPS44095  Cirsium occidentale var. candidissimum W. B. and V. G. Cooke 1965-7-12 35167 Siskiyou at turnout n of Whitney Creek (bank of US 97); Mt/ Shasta Comment
  CAS-BOT-BC285573  Cirsium occidentale var. candidissimum L. E. Smith 1913-7-24 510 Siskiyou Yreka Comment
  CDA1610  Cirsium undulatum J. Massey 1988-7-7 s.n.-(B) Siskiyou East of Dorris, Glenn Butler property. 0 Comment
  CAS-BOT-BC228966  Cistanthe umbellata Wm. Bridge Cooke 1939-7-13 13658 Siskiyou Mount Shasta. Red Butte in The South Gate Comment
  CAS-BOT-BC228978  Cistanthe umbellata Gilbert Muth 1965-8-3 s.n. Siskiyou Marble Valley Comment
  CAS-BOT-BC228990  Cistanthe umbellata Gilbert Muth 1965-8-3 s.n. Siskiyou Marble Valley Comment
  CAS-BOT-BC160928  Clarkia amoena subsp. amoena Alice Eastwood; John Thomas Howell 1937-6-26 5069 Siskiyou Somes Bar Comment
  UC1408915  Clarkia rhomboidea Frederick W. Oettinger and R. F. Thorne 1969-8-5 1212 Siskiyou above Willow Spring (near English Lake Trail); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  CAS-BOT-BC439105  Claytonia cordifolia G. J. Muth 1969-8-12 1380 Siskiyou Second Valley Comment
  CAS-BOT-BC439102  Claytonia cordifolia L. B. Kildale 1930-5-31 9740 Siskiyou Summit between Sawyers Bar and Etna Mills Comment
  CDA23949  Claytonia exigua subsp. exigua F. D. Horn 1978-3-3 Siskiyou Shasta River Canyon near Yreka. 0 Comment
  HSC92978  Claytonia lanceolata Jennifer Whipple 1976-4-17 1030 Siskiyou Ridge between Durney Lake and Little Crater Lake 2378 Comment
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Sep 23 2019
  RSA120757  Claytonia lanceolata S. S. Tillett 1956-7-9 664 Siskiyou Little Carmen Lake, n. side of Scott Mtn. Siskiyou-Trinity cos. line, ca. 8 mi. se. of Callahan 1829 Comment
  POM164049  Claytonia parviflora Geo. D. Butler 1909-4-16 675 Siskiyou [Unspecified] Comment
  UC166187  Claytonia parviflora subsp. parviflora Geo. D. Butler 1909-4-13 1550 Siskiyou near Yreka Comment
  CAS-BOT-BC439625  Claytonia parviflora subsp. parviflora Carl B. Wolf 1927-8-26 1090 Siskiyou On the Klamath River, 14 mi. above Happy Camp Comment
  CAS-BOT-BC443816  Claytonia rubra subsp. rubra Wm. Bridge Cooke 1938-7-1 11122 Siskiyou Mount Shasta. Bear Spring. Comment
  JEPS24436  Claytonia saxosa Dorothy Boedecker 1941-3-17 Siskiyou e side Scott Valley 914 Comment
  JEPS43311  Claytonia sibirica Willis L. Jepson Jul 1894 14872 Siskiyou Sisson; Mt. Shasta Region Comment
  UC454256  Claytonia sibirica I. J. Condit 1911-7-31 Siskiyou Shasta Springs; along railroad Comment
  UC144225  Cleome platycarpa A. A. Heller 1905-6-9 8010 Siskiyou Montague Comment
  UC83255  Cleome platycarpa Katharine Brandegee Jul 1887 Siskiyou Montague Comment
  HSC577  Clintonia uniflora William J. Ferlatte 1966-6-22 85 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  CAS-BOT-BC500958  Clintonia uniflora Mabel E. Stonehouse 1916-6-17 s.n. Siskiyou Hilt Comment
  CAS-BOT-BC500972  Clintonia uniflora L. R. Short 1933-8-7 20 Siskiyou Klamath National Forest, Marble Mountains 1798 Comment
  RSA237927  Clintonia uniflora Frederick W. Oettinger 1968-8-23 619 Siskiyou Due west of English Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  SEINET3131040  Clintonia uniflora G. D. Butler 1910-6-5 1478 Siskiyou Shackleford Creek Comment
  JEPS23806  Collinsia linearis Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7315 Siskiyou jeep rd between Poker Flat and Twin Valley between Poker Flat and Twin Valley, (ridge top marking Del Norte-Siskiyou County line); Siskiyou Mtns 1664 Comment
  UCD123561  Collinsia linearis John M. Tucker; L. K. Mann 1963-7-4 3691 Siskiyou Beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. Comment
  CHSC89527  Collinsia parviflora G. F. Hrusa 2001-6-6 15848 Siskiyou Siskiyou Mountains. Nr. summit of pass betw. Happy Camp and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. Roadside. UTM: 10S, 4649821 N, 0456023 E. 1424 Comment
  JEPS23293  Collinsia parviflora Rimo Bacigalupi with Arthur and Ruby Van Deventer 1959-7-9 7266 Siskiyou Poker Flat 1536 Comment
  JEPS84023  Collinsia rattanii L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-15 6295 Siskiyou Indian Creek Rd from Takilma to Happy Camp, just s of state line between Takilma and Happy Camp 1420 Comment
  POM43380  Collinsia rattanii Geo. D. Butler 1909-4-25 609 Siskiyou Quartz Valley. Comment
  POM43376  Collinsia sparsiflora var. bruceae Geo. D. Butler 1909-4-4 574 Siskiyou Shasta Valley. Comment
  RSA412242  Collinsia torreyi Louis C. Wheeler 1935-4-17 3423 Siskiyou Greenhorn Creek, Siskiyou Mtns. (Mt. Diablo Mer.) 1006 Comment
  UC454129  Collinsia torreyi var. latifolia I. J. Condit 1911-7-7 Siskiyou Shasta Retreat Comment
  JEPS93874  Collomia grandiflora Vernon H. Oswald and Lowell Ahart 1998-7-21 9317 Siskiyou 2.2 mi ne of Lake Shastina-Big Springs Road (ne of Weed, Shasta National Forest plantation on w side of Highway 97); Shasta National Forest, Highway 97 975 Comment
  RSA105487  Collomia grandiflora G. D. Barbe 1955-7-1 067 Siskiyou 0.5 mile east of Etna at a burned lumber mill. 854 Comment
  RSA183688  Collomia grandiflora Gilbert Muth 1965-7-29 139 Siskiyou Marble Mts. In meadow below Marble rim Comment
  RSA411147  Collomia grandiflora B. C. Templeton 1960-6-21 8532 Siskiyou Between California State line and the Agricultural Inspection Station Comment
  UC133731  Collomia tinctoria Katharine Brandegee July 1887 Siskiyou Sissons Comment
  RSA758586  Collomia tinctoria R. F. Thorne 1969-8-2 63392 Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak. 1159 Comment
  CAS-BOT-BC230678  Collomia tracyi Mrs. Dorothy Parker 1961-6-4 882 Siskiyou Along the Callahan-Cecilville Road 1219 Comment
  UC1408894  Collomia tracyi F. W. Oettinger 1969-8-12 1337 Siskiyou along main North Fork Trail between Yellow Dog Creek and Abbott's Lower Cabin; Salmon Mountains Comment
  CAS-BOT-BC180423  Comandra umbellata subsp. californica Wm. F. Herrin 1920-5-1 s.n. Siskiyou Shasta Springs 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
  UC455186  Corallorhiza maculata I. J. Condit 1911-7-22 Siskiyou Mt. Shasta; trail to Horse Camp Comment
  UC1177929  Corallorhiza maculata Francia Chisaki and Gene B. Newcomb 1958-6-21 1146 Siskiyou on Everitt Hill road 3.5 mi e junction with Highway 99 & 89; Everitt Hill 1447 Comment
  JEPS104436  Corallorhiza mertensiana Martin J. Lenz 2003-6-9 17 Siskiyou approx. 1.2 mi E of Deadhorse Summit, along logging road 60A 1378 Comment
  HSC77013  Corallorhiza striata K. T. Stillman 1976-6-24 38 Siskiyou Marble Mountain Wilderness Area, trail from Lovers Camp to Marble Valley 1463 Comment
  CDA36727  Cordylanthus tenuis Barbara L. Wilson, Richard E. Brainerd 2010-8-3 16192 Siskiyou Shasta-Trinity National Forest, along road 40N43 west of Lake Siskiyou; at first creek crossing west of junction with road 26. Comment
  CHSC105587  Cordylanthus tenuis subsp. pallescens Barbara L. Wilson; Richard E. Brainerd 2010-8-3 16187 Siskiyou South of Black Butte, east of the dump, on Shasta-Trinity National Forest property; UTM zone 10T, 555437 east, 4577898 North. Comment
  HSC49947  Cordylanthus tenuis subsp. pallescens G. L. Clifton, Ground 1978-7-18 2390 Siskiyou Near Upton, close to the town of Mt. Shasta 1140 Comment
  JEPS66517  Cordylanthus tenuis subsp. pallescens L. R. Heckard and T. I. Chuang 1971-8-15 2774 Siskiyou ca. 2 mi ne Mt. Shasta City (between old hwy 99 and new freeway) Comment
  JEPS70113  Cordylanthus tenuis subsp. pallescens L. R. Heckard 1972-8-4 3150 Siskiyou ca. 4 mi nw Mt. shasta City (s of Black Butte, 0.1 mi from road parallelling old US Hwy 99, along Pony Trail Dr, near Shasta Abbey (Zen Mission)) 1188 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
  JEPS7046  Cordylanthus tenuis subsp. viscidus Rimo Bacigalupi with G. T. Robbins and C. L. Custer 1954-8-12 4792 Siskiyou 1/2 mi w Hamburg (along hwy following Klamath River) 457 Comment
  UCD123184  Cordylanthus tenuis subsp. viscidus Barbara L. Wilson; Richard E. Brainerd 2010-8-6 16231 Siskiyou North Shore Road, north side of Lake Siskiyou, 1.2 miles west of cross road. 996 Comment
  SFV5243  Cornus glabrata B. C. Templeton 1957-6-22 7736 Siskiyou Between Callahan and Gazelle. Comment
  UC165401  Cornus glabrata Geo. D. Butler 1910-5-22 1385 Siskiyou Yreka Creek Comment
  CDA38549  Cornus glabrata T. R. Haig & F. D. Horn 1981-6-16 s.n. Siskiyou Robertson Ranch, Callahan Road, Gazelle. 0 Comment
  CAS-BOT-BC212049  Cornus nuttallii Marion Ownbey; D. H. Brown 1941-6-22 2426 Siskiyou Road between Craggy Mountain, and Deadwood Lookout northwest of Yreka Comment
  CAS-BOT-BC212051  Cornus nuttallii Roxana S. Ferris; Laura Lorraine 1948-6-12 11748 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  CAS-BOT-BC212056  Cornus nuttallii Wm. Bridge Cooke 1938-6-17 11138 Siskiyou Sisson Southern Trail, Mount Shasta 1371 Comment
  CAS-BOT-BC212062  Cornus nuttallii Alice Eastwood 1912-9-4 2095 Siskiyou Sisson Comment
  HSC67733  Cornus nuttallii John Palmer 1980-8-12 704 Siskiyou SE of Ward's Gap. 1189 Comment
  RSA240100  Cornus nuttallii Frederick W. Oettinger 1969-8-12 1336 Siskiyou Near theCedars homestead, 2 miles up the main North Fork trail from Mule Bridge enroute to English Peak - shortly before entering the Wilderness area. The Salmon Mountains. High Lake Basins in the vicinity of English Peak., Marble Mountain Wilderness Area. 960 Comment
  UC165289  Cornus nuttallii Geo. D. Butler 1910-4-22 1246 Siskiyou Kidder Creek Comment
  UCD37091  Cornus nuttallii Beecher Crampton 1956-8-21 3849 Siskiyou Siskiyou County, canyon of Sacramento River, just above junction of river's north fork with middle and south forks. 1066 Comment
  CAS-BOT-BC210411  Cornus sericea A. A. Heller 1905-6-15 8043 Siskiyou On the banks of the Sacramento west of and near Sisson Comment
  CAS-BOT-BC212151  Cornus sericea William A. Dayton 1913-6-14 8257 Siskiyou On banks of Rail Creek, Shasta Forest 1341 Comment
  HSC19037  Cornus sericea subsp. sericea J. O. Sawyer 1969-6-11 840 Siskiyou Duck Lake Creek near C.C.C. road. 1311 Comment
  RSA68927  Cornus sericea subsp. sericea A. E. Culbertson 1943-7-12 30 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
  UC1483514  Cornus sericea subsp. sericea John Palmer 1980-8-13 786 Siskiyou near F.S. Rd. 47N44 from Beaver Creek Rd. Dead Cow Creek; Klamath Nat'l Forest, Condry Mt., Quad, Dead Cow Creek 1615 Comment
  CDA38584  Cornus sericea subsp. sericea D. H. Shaw Jun 1977 s.n. Siskiyou Near Happy Camp. 0 Comment
  RSA624391  Corylus cornuta var. californica L. C. Wheeler 1952-9-17 6935 Siskiyou [no locality information on the label for this specimen] Comment
  HSC19044  Crepis acuminata J. O. Sawyer 1969-6-12 918 Siskiyou Along C.C.C. road just S of Sugar Creek 1463 Comment
  UCD130931  Crepis intermedia Morris Halperin 1930-5-17 s.n. Siskiyou around Yreka. Comment
  CAS-BOT-BC299653  Crepis monticola Geo. D. Butler 1910-5-1 148 Siskiyou Near Yreka 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
  UC163903  Crepis monticola Geo. D. Butler 1909-5-30 750 Siskiyou thickets near Yreka Comment
  POM33149  Crepis monticola Geo. D. Butler 1909-5-30 749 Siskiyou Humbug Mountain. 1220 Comment
  HSC29229  Crepis occidentalis subsp. conjuncta Frederick W. Oettinger 1969-8-15 1385 Siskiyou High Lake Basins near English Peak, Marble Mtn. Wilderness Area; W of Upper English Lake 1784 Comment
  CDA4442  Crepis occidentalis subsp. costata Unknown Jul 1951 s.n. Siskiyou Yreka. 0 Comment
  HSC44725  Crepis pleurocarpa J. O. Sawyer, E. Cope 1977-6-18 2904 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  CAS-BOT-BC290882  Crepis pleurocarpa Louis C. Wheeler 1934-8-16 3168 Siskiyou Klamath National Forest. 2 mi. E White Mt. 1920 Comment
  RSA211202  Crepis pleurocarpa William J. Ferlatte 1966-8-4 300 Siskiyou Yellow Rose Mine. 1982 Comment
  CAS-BOT-BC299731  Crocidium Doris K. Kildale 1929-5-1 7834 Siskiyou Callahan Comment
  RSA47666  Crocidium multicaule Roxana S. Ferris, Laura Lorraine 1948-6-12 11835 Siskiyou Gazelle Mountain grade, road between Callahan and Gazelle. 1500 Comment
  HSC69341  Cryptantha affinis J. O. Sawyer, J. Cole 1980-7-20 3714 Siskiyou Near USFS Rd. 45N05 in center of section 1890 Comment
  CDA18396  Cryptantha flaccida G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2770 Siskiyou Klamath Ranges; At the bridge of Hwy 3 over the East Fork Scott River, 2 mi W of Callahan. 987 Comment
  UC79409  Cryptantha flaccida Katharine Brandegee Jul 1887 Siskiyou Ager Comment
  RSA273419  Cryptantha milobakeri J. P. Smith, Advanced plant taxonomy class-1974 1974-5-25 7393 Siskiyou Along road 8, 0.9 miles from its jct with State Route 3. 976 Comment
  UC78653  Cryptantha rostellata Thos. Howell 1889-5-10 1386 Siskiyou Hornbrook Comment
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May 28 2007
  UC1408846  Cryptogramma acrostichoides Frederick W. Oettinger 1968-8-5 404 Siskiyou ridge between Diamond Lake and English Peak (Shasta Ridge); Salmon Mts, High Lake Basins, English Peak vicinity, Marble 2072 Comment
  HSC34491  Cryptogramma acrostichoides J. D. Ackerman 1974-8-18 431 Siskiyou Ridge above mine near Cyclone Gap and Copper Mtn. in the Preston Peak area 1524 Comment
  CAS-BOT-BC80562  Cupressus bakeri O. V. Matthews 1939-7-18 36 Siskiyou N.E. [Goose Nest] Goosenest - East of Yreka 1828 Comment
  RSA40897  Cupressus bakeri C. B. Wolf 1944-10-30 11481 Siskiyou 1mile NE of Timbered Crater, Modoc Lava Beds on Old Stage Road form Dana to Little Hot Springs Valley 1220 Comment
  UC484051  Cupressus bakeri Carl B. Wolf 1930-10-19 1746 Siskiyou 1 mi e of Timbered Butte (on old road from C. W. Hill Farm at Dana to Little Hot Springs Valley); Modoc Lava Beds 1219 Comment
  JEPS47088  Cuscuta cephalanthi A. L. Grant 1902-9-1 5217 Siskiyou Sisson Comment
  RSA666423  Cuscuta occidentalis Barbara Ertter 1987-7-26 7326 Siskiyou 2.2 mi N of Scott Mt. summit on Hwy 3, at road junction.Half way down Old Priest Grade between Big Oak Flat and junction of Highways 120 and 49, ca. 35 airmiles E of Modesto. 1372 Comment
  RSA625175  Cuscuta suksdorfii var. subpedicellata L. C. Wheeler 1963-8-25 8269 Siskiyou South side of Preston Peak: Head Rattlesnake Creek. 1829 Comment
  JEPS49767  Cycladenia humilis var. humilis W. L. Jepson 1902-7-17 2072 Siskiyou w. Siskiyou, The Devil's Backbone 1828 Comment
  UC1540019  Cycladenia humilis var. humilis M. Mitchell 1936-5-9 10 Siskiyou s.e. slope of Schonchin Butte; Lava Beds Nat'l Monument, Schonchin Butte Comment
  SEINET13943861 Image available Cymopterus terebinthinus W. B. C. 1941-1 16208 Siskiyou In the Lava Park above Hotlum Station, N side of Mt. Shasta, alt. 5000 Comment
  CDA37844  Cynoglossum occidentale Ashley Knight 2012-7-16 PDR# 470 P06027572 Siskiyou East of Mt. Shasta City, north of Old McCloud/31 road, Shasta/Trinity National Forest. 0 Comment
  HSC19016  Cynoglossum occidentale J. O. Sawyer 1969-7-26 1583 Siskiyou SE facing slope near Sugar Creek 1700 Comment
  HSC22481  Cynoglossum occidentale J. O. Sawyer 1969-8-3 1790 Siskiyou Alluvial terrace along Duck Lake Creek 1921 Comment
  UC618695  Cynoglossum occidentale Ivan Johnston 1938-6-17 11023 Siskiyou s.w. side of Mt. Shasta Comment
  RSA190704  Cynoglossum occidentale T. C. Fuller 1967-6-27 16034 Siskiyou Siskiyou County, W side of road to McCloud Reservoir, 0.3 mile S of McCloud Comment
  HSC36703  Cynosurus echinatus Brent Whiteley 1975-6-23 39 Siskiyou 223 Comment
  HSC79094  Cyperus squarrosus Paul Wilson 1984-8-29 358 Siskiyou Juanita Lake Reservoir, next to lake edge 1555 Comment
  HSC66252  Cypripedium californicum Maralyn A. Renner 1980-6-23 966 Siskiyou W Fork Seiad Creek 878 Comment
  UC673565  Cypripedium californicum Dorothy Tebbe 1929-7-15 116 Siskiyou Mount Eddy Comment
  SEINET8253671  Cypripedium californicum Frank Callahan 2007-7-5 Siskiyou Methodist Camp Meadows (south of) up Scott Camp Creek. Comment
  UC14958  Cypripedium californicum W. C. Blasdale July, 1899 1077 b Siskiyou from summit of Siskiyous to Waldo, Oregon Comment
  CHSC2338  Cypripedium fasciculatum M. Yoder 1932-6-20 Siskiyou Castle Lake. ... Field redacted by CHSC, contact the data manager for more information 1981 Comment
  HSC44890  Cypripedium fasciculatum Maralyn O'Meara 1974-5-25 408 Siskiyou Near junction of Rd. 8 and French Creek Rd. 1280 Comment
  RSA612748  Cystopteris fragilis L. C. Wheeler 1935-6-13 3578 Siskiyou Shackleford Creek, Marble Mts. S9, T43N, R10W (Mt. Diablo Mer.) 976 Comment
  JEPS72971  Danthonia californica W. L. Jepson 1940-7-3 20121 Siskiyou 5 mi se Bartle; Big Bear Flat 1219 Comment
  CAS-BOT-BC76241  Darlingtonia californica Peter H. Raven 1956-9-5 10440 Siskiyou North Fork of the Sacramento River. 2194 Comment
  CHSC29775  Darlingtonia californica M. S. Taylor; W. Roderick, B. Williams 1980-5-4 2786 Siskiyou Bog around Cedar Lake, peat mounds at lake edge an ... Field redacted by CHSC, contact the data manager for more information 1737 Comment
  CHSC30182  Darlingtonia californica M. S. Taylor 1980-6-23 2942 Siskiyou On e side of 39N45 in Soapstone Gulch, ca. 2 mi s ... Field redacted by CHSC, contact the data manager for more information 1676 Comment
  HSC67648  Darlingtonia californica J. P. Smith, Steve Selva 1970-7-18 4493 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  RSA331959  Darlingtonia californica W. Kelly, Walter Wisura 1985-7-31 4077 Siskiyou Kangaroo Lake, near camp site Comment
  RSA698848  Darlingtonia californica Leo Miller 1938-06 s.n. Siskiyou Siskiyou Mountains [Siskiyou or Del Norte counties]. 854 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
  UC144313  Darmera peltata A. A. Heller 1905-6-1 7922 Siskiyou between Dunsmuir and Upper Soda Spring Comment
  HSC40239  Darmera peltata J. P. Smith 1976-5-5 8679 Siskiyou Rd. from Sawyers Bar to Somes Bar 488 Comment
  POM92193  Darmera peltata Geo. D. Butler 1908-8-21 220 Siskiyou [Eeldwyers Canal?] Russian Creek. Comment
  RSA239008  Datisca glomerata Frederick W. Oettinger 1966-7-25 39 Siskiyou Along Black Gulch Road roadside; Salmon River District; Klamath N.F.; Cecilville. Comment
  UC563969  Delphinium andersonii Elmer I. Applegate 1935-6-8 9453 Siskiyou w slope Sconchin Butte; Lava Beds National Monument Comment
  CAS-BOT-BC9569  Delphinium antoninum Thomas H. Harris 1951-6-1 s.n. Siskiyou Happy Camp 1524 Comment
  UC1037373  Delphinium decorum subsp. tracyi Douglas Barbe 1955-7-6 134 Siskiyou ne shore Klamath Mountains, Salmon Mountains, Taylor Lake 1950 Comment
  CAS-BOT-BC9843  Delphinium nudicaule Alice Eastwood 1923-5-18 11830 Siskiyou Shasta Springs Comment
  CAS-BOT-BC9887  Delphinium nudicaule Elmer Ivan Applegate 1935-6-10 9478 a Siskiyou South base of Caldwell Butte, Lava Beds National Monument Comment
  UC165948  Delphinium nudicaule Geo. D. Butler 1910-5-7 1299 Siskiyou dry hills near Yreka Comment
  HSC684  Delphinium nuttallianum William J. Ferlatte 1967-6-29 577 Siskiyou Dorleska Summit 2134 Comment
  HSC686  Delphinium nuttallianum William J. Ferlatte 1966-7-7 201 Siskiyou Caribou Basin 1982 Comment
  HSC77045  Delphinium nuttallianum K. T. Stillman 1976-6-25 28 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  JEPS19761  Delphinium nuttallianum Rimo Bacigalupi with S. Galen Smith 1957-6-26 5950 Siskiyou Gumboot Lake South Fork of Trinity River (s end, head of river, close to Trinity Co. line) 1859 Comment
  UC69612  Delphinium variegatum subsp. variegatum F. W. Hooper Siskiyou Little Shasta Valley. Comment
  SEINET4344614 Image available Deschampsia cespitosa Unknown 1990-7-14 9305 Siskiyou E side Mt Eddy ca 4 airmiles due W of Mt Shasta City, at streamlet near end of FR 41N53 ca 1 mile N of Morgan Meadows, Steep E-facing serpentine hillside. 1676 Comment
  CAS-BOT-BC192463  Deschampsia cespitosa subsp. cespitosa Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  CAS-BOT-BC192464  Deschampsia cespitosa subsp. cespitosa L. P. Janeway 1983-8-16 545 Siskiyou Siskiyou Mountains; at Poker Flat 1524 Comment
  HSC102654  Deschampsia danthonioides J. P. Smith 2009-6-1 12615 Siskiyou Road to Tenant. Comment
  CAS-BOT-BC201943  Deschampsia elongata A. A. Heller 1915-7-18 12134 Siskiyou Metcalf's ranch, base of Mt. Eddy Comment
  CAS-BOT-BC201944  Deschampsia elongata Alice Eastwood 1912-8-30 2049 a Siskiyou Mount Eddy Comment
  HSC65676  Deschampsia elongata Donald W. Miles 1979-7-21 20 Siskiyou Near Black Fox Mt., 20 mi. NE of McCloud, 3/4 way up Shirttail Canyon. 1585 Comment
  HSC88847  Deschampsia elongata J. P. Smith, Steve Selva 1970-6-16 4049 Siskiyou 7 mi. W of Etna on road to Sawyers Bar. 1280 Comment
  UCD63427  Deschampsia elongata A. A. Heller 1915-7-18 12134 Siskiyou Metcalf's ranch, base of Mt. Eddy. Comment
  JEPS1798  Dianthus deltoides subsp. deltoides Duncan Dunning 1921-7-16 Siskiyou se Toad Mountain (Toad Lake, nw of Hambone, southeastern Siskiyou County); se of Toad Mountain Comment
  CAS-BOT-BC402483  Dicentra formosa subsp. formosa A. M. Vollmer; L. Beane 1951-6-2 67 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway Comment
  CAS-BOT-BC402484  Dicentra formosa subsp. formosa L. R. Short 1933-6-14 36 Siskiyou Klamath National Forest. Clear Creek 1249 Comment
  CAS-BOT-BC402549  Dicentra pauciflora Philip A. Munz 1952-7-2 17914 Siskiyou Rd. to Baldy Mt., ca. 6 air-line miles w. of Happy Camp, Siskiyou Mts. 1554 Comment
  UCD150602  Dicentra pauciflora Rolf Y. Berg 1964-7-15 s.n. Siskiyou Seiad Valley. Near Lily Pad Lake; west of Cook and Green Pass. Comment
  UC375189  Dichelostemma multiflorum Geo. D. Butler 1908-6-29 117 Siskiyou near Oro Fino Comment
  UC796627  Dichelostemma multiflorum Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11784 Siskiyou outskirts of Etna Etna 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-BC290993  Dieteria canescens var. shastensis Elmer I. Applegate 1935-8-3 10011 Siskiyou Caldwell Butte, Lava Beds National Monument Comment
  CAS-BOT-BC290994  Dieteria canescens var. shastensis Gilbert J. Muth 1969-8-8 1302 Siskiyou Boulder Peak Ridge Comment
  CAS-BOT-BC291011  Dieteria canescens var. shastensis Louis C. Wheeler 1934-8-24 3218 Siskiyou Trapper Creek, Siskiyou Mts. 1859 Comment
  UC86847  Dieteria canescens var. shastensis K. Brandegee Jul 1884-Jul 1889 Siskiyou Ager Klamath River, Ager 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
  HSC5960  Dieteria canescens var. shastensis D. M. Thomson 1965-8-21 206 Siskiyou California Lava Beds National Monument; Devil's Homestead Lava Flow Comment
  CAS-BOT-BC153652  Diplacus jepsonii Alice Eastwood 1921-7-29 10951 Siskiyou Medicine Lake Comment
  CHSC57232  Diplacus layneae David M. Thompson 1989-6-29 1023 Siskiyou Near Black Butte, mid-way between Mt. Shasta city and Weed. 1.2 mi N of I-5 interchange (Summit Drive/Deetz Road/Truck Village Drive) along N part of Truck Village Drive (E side of I-5). 1200 Comment
  SEINET260462 Image available Diplacus nanus David M. Thompson 1989-1 1022 Siskiyou 10.0 mi NE of Weed along Hwy 97 NW side of rd 1150 Comment
  CAS-BOT-BC94401  Diplacus nanus R. C. Wenk 2005-7-15 197 Siskiyou Trinity Alps, above South Fork of the Salmon River, along the Yellow Rose Mine trail 1645 Comment
  CHSC1391  Dodecatheon alpinum V. Holt 1932-7-10 Siskiyou Mt. Eddy. 2590 Comment
  HSC19279  Dodecatheon alpinum J. O. Sawyer 1968-6-18 248 Siskiyou Valley bottom of Blakes' Fork. 1707 Comment
  UC22358  Dodecatheon alpinum Harley P. Chandler June, 1901 1572 Siskiyou near Marble Mountain; North Coast Ranges, near Marble Mountain 1828 Comment
  RSA78680  Dodecatheon hendersonii P. A. Munz 1952-7-2 17873 Siskiyou Baldy Mt. Road, NW of Happy Camp, Siskiyou Mts. 1494 Comment
  HSC4466  Dodecatheon jeffreyi William J. Ferlatte 1966-7-7 202 Siskiyou Caribou Basin 1982 Comment
  CHSC71294  Downingia insignis Vernon H. Oswald; Lowell Ahart 1998-6-11 9217 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
  JEPS103651  Downingia yina T. Obrien 1996-8-9 Siskiyou Klamath National Forest. Vernal pool approximately 6.0 miles E of HWY 97 on Tennant Road, W of Tennant 1463 Comment
  SD62278  Downingia yina John H. Weiler, A. P. Nelson 1960-6-25 60207 Siskiyou At the side of highway 99, 2.3 miles northwest of Weed. Comment
  UC199219  Draba albertina Annie M. Alexander and L. Kellogg 1911-6-26 190 Siskiyou Jackson L. 1798 Comment
  HSC66239  Draba carnosula Maralyn A. Renner 1980-8-7 2376 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  CAS-BOT-BC210237  Draba pterosperma Dana York 2011-8-12 3038 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain 2075 Comment
  CHSC36124  Draba verna var. verna K. Bridwell 1978-4-14 76 Siskiyou 1 block s of Weed Airport, along Hwy 5, ca. 3 mi n of Weed. 609 Comment
  UC144190  Draperia systyla A. A. Heller 1905-6-5 7966 Siskiyou Near Shasta Springs Comment
  RSA0011654  Drosera anglica D. V. Hemphill 1972-8-9 s.n. Siskiyou Isinglass Lake. 1982 Comment
  HSC62264  Drymocallis ashlandica Al Hobart 1968-6-13 Siskiyou Youngs Valley Comment
  CAS-BOT-BC159438  Drymocallis glandulosa var. glandulosa Dorothy Parker 1950-6-15 455 Siskiyou Along Kidder Creek 914 Comment
  CAS-BOT-BC159288  Drymocallis lactea var. lactea Geo. D. Butler 1910-7-8 1658 Siskiyou Shackleford Creek 1371 Comment
  JEPS84345  Dulichium arundinaceum Wayne Roderick 1984-8-5 Siskiyou 13 air mi w of Dunsmuir (Cedar Lake); Cedar Lake 1828 Comment
  CAS-BOT-BC113722  Eleocharis acicularis Louis C. Wheeler 1934-6-29 2827 Siskiyou Mucky, sunny meadow in Soda Creek, Sterling Mt. 1280 Comment
  RSA238955  Eleocharis acicularis var. acicularis Frederick W. Oettinger 1968-9-5 714 Siskiyou Cove on SE side of Hancock Lake. The Salmon Mountains, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area 1936 Comment
  CAS-BOT-BC113418  Eleocharis bella Doris K. Kildale 1928-8-19 6514 Siskiyou English Lake, head of north fork of Salmon River. 1676 Comment
  JEPS95047  Eleocharis engelmannii Vernon Oswald and Lowell Ahart 1997-7-28 8808 Siskiyou on e side of Forest Route 15, 10.9 mi n of Highway 89; Forest Route 15 1383 Comment
  HSC46340  Eleocharis macrostachya J. P. Smith, Steve Selva 1970-6-15 3918 Siskiyou 10 mi. NW of Forks of Salmon Comment
  UC184011  Eleocharis macrostachya Geo. D. Butler 1910-5-26 1410 Siskiyou Yreka Comment
  SEINET9084219  Eleocharis obtusa var. engelmannii L. Ahart, V. Oswald 1997-7-28 8808 Siskiyou E side of FR 15, 109 miles N of Hwy 89. 1384 Comment
  CAS-BOT-BC227916  Elymus elymoides A. A. Heller 1920-6-27 13387 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  UCD61575  Elymus elymoides R. Tofsrud 1948-8-1 Siskiyou Few mi. N. of Happy Camp. Comment
  SEINET10564673  Elymus elymoides A. Arthur Heller 1905-6-19 Heller 8071 Siskiyou Grenada Station. Comment
  HSC38714  Elymus elymoides var. elymoides J. D. Ackerman, A. M. Montalvo 1975-7-18 574 Siskiyou S Fk of Sacramento River, off USFS Rd. 40N30. Between Mt. Eddy and Boulder PK. SW of Mt. Shasta City. Comment
  HSC69221  Elymus glaucus Maralyn A. Renner 1980-8-31 2623 Siskiyou Twin Valley. 1494 Comment
  LA14810  Elymus glaucus Louis C. Wheeler; 1934-4-14 3143 Siskiyou Siskiyou Mountains, E end White Mt 1767 Comment
  RSA238401  Elymus glaucus Frederick W. Oettinger 1969-8-18 1423 Siskiyou North end of Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC1483499  Elymus glaucus Maralyn A. Renner 1980-8-20 2534 Siskiyou Big Flat Klamath National Forest, Coffee Creek Quad., S. Fk. Salmon R 1524 Comment
  UC637099  Elymus glaucus Edward Lee 1934-8-14 1119 Siskiyou Little Grayback; w slope, Siskiyou-Del Norte Co. line 1706 Comment
  UCD62333  Elymus glaucus subsp. glaucus Robert E. Preston 2001-6-30 1660 Siskiyou Klamath National Forest, Hemlock Lake. 1889 Comment
  POM112867  Elymus multisetus Geo D. Butler 1909-5-25 823 Siskiyou Dry hill near Yreka Comment
  UC196945  Elymus multisetus Geo. D. Butler 1910-5-26 1424 Siskiyou Yreka Comment
  HSC91440  Elymus spicatus Jennifer Whipple 1977-8-4 2152 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2439 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
  JEPS89972  Epilobium anagallidifolium Dean W. Taylor 1975-8-14 5453 Siskiyou between Shasta Ski area and Green Butte (Mt. Shasta); Mt. Shasta 2590 Comment
  RSA237399  Epilobium anagallidifolium Frederick W. Oettinger 1969-9-2 1595 -b Siskiyou On the cool north side of English Peak. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  HSC42892  Epilobium brachycarpum Ken Stillman 1976-8-15 407 Siskiyou Clearcut at junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  UC164346  Epilobium brachycarpum Geo. D. Butler 1908-8-26 156 Siskiyou roadside near Etna Comment
  POM89974  Epilobium brachycarpum L. R. Abrams 1922-8-7 9914 Siskiyou Weed. Comment
  RSA31203  Epilobium brachycarpum W. Bridge Cooke 1940-7-12 15331 Siskiyou Along the Memorial Highway 1372 Comment
  JEPS43914  Epilobium ciliatum subsp. ciliatum Geo. D. Butler 1908-8-2 159 Siskiyou first meadow Shackelford Creek 1158 Comment
  POM32629  Epilobium ciliatum subsp. ciliatum E. B. Copeland 1903-7-7 3548 Siskiyou Hornbrook. 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
  UC618829  Epilobium clavatum W. Bridge Cooke 1938-8-18 11479 Siskiyou along Summit Trail above Horse Camp; Mount Shasta, Horse Camp Springs 2514 Comment
  JEPS94069  Epilobium densiflorum Vernon H. Oswald and Lowell Ahart 1998-9-8 9604 Siskiyou ca. 6 air mi. w. of Mosquito Lake and Whitehorse Flat Reservoir (Julia Glover Flat on USFS 3); Julia Glover Flat 1112 Comment
  UCD106287  Epilobium densiflorum Alice Eastwood 1912-7-17 1154 Siskiyou Sisson. Comment
  HSC69363  Epilobium glaberrimum subsp. fastigiatum Maralyn A. Renner 1980-8-19 2504 Siskiyou S side of Caribou Lake 2104 Comment
  UCD80885  Epilobium glaberrimum subsp. fastigiatum Robert E. Preston 2001-6-23 1556 Siskiyou Klamath National Forest, N slope of Rainbow Mtn. 1767 Comment
  HSC48282  Epilobium hallianum J. O. Sawyer, Ken Stillman 1978-7-6 3350 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  RSA211359  Epilobium hallianum William J. Ferlatte 1966-6-22 95 Siskiyou Along the South Fork of the Salmon River between the campgrond and Carter s; Trinity Alps. 1524 Comment
  HSC36562  Epilobium hornemannii subsp. hornemannii J. P. Smith 1969-7-16 1154 Siskiyou SW facing slope W of Waterdog Lake 2119 Comment
  UC136739  Epilobium minutum A. A. Heller 1905-6-1 7930 Siskiyou Upper Soda Spring Comment
  UCD77627  Epilobium obcordatum Robert E. Preston 2001-7-21 1710 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, north slope of Rainbow Mountain. 2026 Comment
  SBBG25889  Epilobium oreganum D. Myrick 1966-8-8 1490 Siskiyou rd to Carter Ranch, Mountain Meadow Ranch, Big Flat 1584 Comment
  JEPS39227  Epilobium oregonense Willis L. Jepson 1894-8-4 14470 Siskiyou Mt. Shasta Region of the Upper Sacramento Comment
  CAS-BOT-BC171867  Epilobium septentrionale Geo. D. Butler 1910-7-9 1727 Siskiyou Wooly Creek 1676 Comment
  CAS-BOT-BC171860  Epilobium septentrionale C. G. Pringle 1881-8-19 s.n. Siskiyou Mountains about the head waters of the Sacramento River 2438 Comment
  JEPS109564  Epilobium siskiyouense Dean W. Taylor 2002-7-21 18273 Siskiyou The Eddys, cirque at headwaters of Parks Creek above Caldwell Lakes 2316 Comment
  UC399179  Equisetum X ferrissii Geo. D. Butler 1908-7-16 250 Siskiyou Klamath River Comment
  CAS-BOT-BC57810  Equisetum laevigatum Edward Lee 1934-8-10 1021 Siskiyou S. bank of Klamath River between McKinney and Parkhouse creeks (near Hamburg). 609 Comment
  RSA602818  Eragrostis cilianensis L. C. Wheeler 1935-7-20 3674 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 Comment
  POM114686  Eragrostis mexicana subsp. virescens Geo D. Butler 1909-10-3 869 Siskiyou Meadow near Yreka Comment
  UC197191  Eragrostis pilosa var. pilosa Geo. D. Butler 1910-8-28 1857 Siskiyou Oro Fino Comment
  HSC22141  Eremogone congesta J. O. Sawyer 1969-7-7 1074 Siskiyou S facing ridge above Big Duck Lake 2226 Comment
  HSC618  Eremogone congesta William J. Ferlatte 1966-7-7 199 Siskiyou Caribou Basin 1982 Comment
  CAS-BOT-BC168850  Eremogone congesta var. congesta Doris K. Kildale 1929-7-20 8583 Siskiyou East spur of Preston Peak above Rockefeller Lake 2133 Comment
  CAS-BOT-BC174223  Eremogone congesta var. congesta Louis C. Wheeler 1934-8-2 3023 Siskiyou Head of Jaynes Canyon, Siskiyou Mts. 2072 Comment
  CAS-BOT-BC174224  Eremogone congesta var. congesta John Thomas Howell 1939-8-2 14916 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC174230  Eremogone congesta var. congesta Ira L. Wiggins 1955-7-27 13515 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC481932  Eremogone congesta var. crassula Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2529 Comment
  CHSC30758  Ericameria bloomeri M. S. Taylor; J. Prouty, E. Heinitz 1980-8-18 3257 A Siskiyou Ca. 50 ft e of Hwy 15, ca. 3 mi n of its jct with Hwy 89, ca. 17 mi e of McCloud. Comment
  UC134298  Ericameria bloomeri Dr. E. B. Copeland 1903-9-8 3922 Siskiyou Igerna 1158 Comment
  CAS-BOT-BC286696  Ericameria bloomeri C. B. Wolf 1931-9-2 2391 Siskiyou On rd. to McCloud 1/2 mi. above junction with Pacific Highway 1097 Comment
  POM211809  Ericameria greenei L. C. Wheeler 1934-9-2 3238 Siskiyou Miller Glade, Siskiyou Mountains. 1829 Comment
  RSA237448  Ericameria greenei Frederick W. Oettinger 1968-8-19 584 Siskiyou Meadows at Gap, English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  UC1408923  Ericameria greenei Frederick W. Oettinger 1968-8-19 584 Siskiyou meadows at Gap Salmon Mountains, Marble Mountain Wilderness Area, English P (w Siskiyou County) 2133 Comment
  CAS-BOT-BC298251  Ericameria nauseosa var. oreophila Elmer I. Applegate 1923-8-21 3926 Siskiyou Willow Creek, S of Lower Klamath Marsh Comment
  CAS-BOT-BC299469  Ericameria nauseosa var. speciosa Geo. D. Butler 1910-8-7 1824 Siskiyou Yreka Comment
  JEPS21517  Ericameria nauseosa var. speciosa Geo. D. Butler 1908-9-7 312 Siskiyou near Yreka (upper field on Butler's Ranch) Comment
  UCD77546  Ericameria nauseosa var. speciosa Robert E. Preston 2001-8-26 1770 Siskiyou Klamath National Forest, N slope of Rainbow Mountain. 2103 Comment
  CAS-BOT-BC294306  Ericameria nauseosa var. speciosa Hy Edwards 1875-7-1 649 Siskiyou Strawberry Valley Comment
  UCD70112  Ericameria pinifolia D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-McCloud close to Snowmans Hill. Mount Shasta basis. Knobcone pine forests (Pinus attenuata). 1650 Comment
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Jul 18 2018
  HSC76938  Erigeron aliceae K. T. Stillman 1976-8-7 207 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  JEPS84324  Erigeron aliceae L. R. Heckard with J. Hickman et al. 1986-7-17 6500 Siskiyou ca 15 mi from Hwy 96 (Walker) (Oak Knoll Ranger Station road to Condrey Mt.) 2000 Comment
  UC895582  Erigeron aliceae John Thomas Howell 14879 Siskiyou Marble Mts., Spirit Lake Marble Mts., Spirit Lake Comment
  RSA14491  Erigeron aliceae Elmer I. Applegate 1923-9-7 3950 Siskiyou Doggett Ridge, Siskiyou Mts., Klamath River Watershed. Comment
  OBI55428  Erigeron canadensis David J. Keil 1992-7-20 23487 Siskiyou Klamath Natl forest, W of Fort Jones. Along forest rd 44N45, 2 mi W of Scott river Rd 1000 Comment
  CAS-BOT-BC294898  Erigeron cervinus K. T. Stillman 1976-9-9 471 Siskiyou Marble Mountain Wilderness Area. N & NE & E side of Black Mtn. Comment
  CHSC62178  Erigeron cervinus Wayne Rolle 1991-8-1 485 Siskiyou Siskiyou Mountains. On east side of Pyramid Peak. Between small lake and the small pond above it. 1615 Comment
  HSC19548  Erigeron cervinus J. O. Sawyer 1969-8-5 1743 Siskiyou W of Little Duck Lake 2073 Comment
  CHSC36145  Erigeron compositus K. Bridwell 1978-4-15 93 Siskiyou Cliff ca. 400 yds n of Copco Rd, ca. 20 mi ne of Hornbrook. 762 Comment
  CAS-BOT-BC297185  Erigeron concinnus var. concinnus Geo. D. Butler 1910-6-3 1471 Siskiyou Quartz Valley Comment
  CHSC88385  Erigeron divergens Jenny Marr 1993-7-1 144 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC5512  Erigeron divergens M. S. Baker 1898-7-12 806 Siskiyou The Berch Fall River Valley Comment
  RSA17741  Erigeron elegantulus Elmer I. Applegate 1935-6-11 9494 Siskiyou Upper Ice Cave, south end of big lava flow, Lava Beds National Monument Comment
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Feb 6 2015
  JEPS29998  Erigeron filifolius Rimo Bacigalupi, and L. Heckard, J. Weiler 1961-7-2 7984 Siskiyou along US Hwy 97 about 7 1/2 mi ne Weed 1127 Comment
  HSC19466  Erigeron glacialis var. glacialis J. O. Sawyer 1969-7-18 1372 Siskiyou E of Waterdog Lake 2012 Comment
  CAS-BOT-BC295396  Erigeron inornatus A. A. Heller 1914-8-26 11717 Siskiyou Near Deetz Station near Black Butte 1158 Comment
  CAS-BOT-BC295427  Erigeron inornatus var. calidipetris W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox Comment
  UC895896  Erigeron inornatus var. inornatus Alice Eastwood 1912-9-4 2098 Siskiyou Sisson Comment
  CAS-BOT-BC295808  Erigeron petrophilus var. viscidulus Douglas Barbe 1959-7-4 532 Siskiyou North shore of Caribou Lk., about 4 mi SW of Big Flat Camp, Klamath Nat'l Forest 2103 Comment
  CAS-BOT-BC295812  Erigeron petrophilus var. viscidulus A. A. Heller 1914-8-28 11737 Siskiyou East side of Mt. Eddy 2438 Comment
  CAS-BOT-BC295815  Erigeron petrophilus var. viscidulus Ira L. Wiggins 1955-7-27 13560 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CHSC84744  Erigeron petrophilus var. viscidulus L. P. Janeway 2003-8-9 7963 Siskiyou Klamath Ranges. Siskiyou Mountains between Cook and Green Pass and Red Butte. Serpentine slope overlooking uppermost fork of Seiad Creek. 1698 Comment
  HSC30272  Erigeron petrophilus var. viscidulus William J. Ferlatte 1971-9-18 1383 Siskiyou Sawtooth Ridge between Caribou Basin and Stuarts Fork 2287 Comment
  CAS-BOT-BC300083  Erigeron philadelphicus W. B. Cooke; V. G. Cooke 1962-8-19 33551 Siskiyou McBride Springs, Mt. Shasta Comment
  CAS-BOT-BC300084  Erigeron philadelphicus E. K. Balls 1949-7-9 13927 Siskiyou 3.1 miles from Etna on rd to Sawyer's Bar, southern Siskiyou County 914 Comment
  CAS-BOT-BC300092  Erigeron philadelphicus W. R. Dudley 1893-6-1 s.n. Siskiyou P. Klinks Meadow, near Sisson Comment
  UC74072  Erigeron philadelphicus var. philadelphicus T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  POM312495  Erigeron pumilus var. intermedius H. L. Mason 1948-7-18 13609 Siskiyou Grass Lake Comment
  CAS-BOT-BC33471  Erigeron tener Edwin Bingham Copeland 1903-9-1 s.n. Siskiyou Mt. Eddy 1249 Comment
  CAS-BOT-BC224140  Eriodictyon californicum Geo. D. Butler 1910-5-25 1405 Siskiyou Near Yreka Comment
  SBBG15739  Eriodictyon lobbii D. Myrick 1961-6-22 319 Siskiyou Hwy 89 near McCloud 914 Comment
  POM267114A  Eriogonum baileyi var. baileyi L. S. Rose 1941-8-28 41429 Siskiyou Macdoel 1220 Comment
  UC195190  Eriogonum compositum var. compositum Annie M. Alexander and L. Kellogg 135 Siskiyou 6 mi nw Callahan Comment
  CAS-BOT-BC248811  Eriogonum compositum var. compositum William A. Dayton 1913-6-16 278 Siskiyou Shasta National Forest. E. slope, Scott Mt., near Callahan - Gazelle stage road 1524 Comment
  RSA237770  Eriogonum compositum var. compositum Frederick W. Oettinger 1968-8-23 614 Siskiyou Diamond Lake spillway on way to English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2058 Comment
  CAS-BOT-BC124204  Eriogonum congdonii Joseph Whipple Congdon 1900-8-18 s.n. Siskiyou Mt. Eddy Trail Comment
  RSA594177  Eriogonum congdonii S. O. Mattoon 1978-9-23 46 Siskiyou Mt. Eddy Divide, 2 miles N of Dead Fall Meadows; Shasta North Fork at Trinity Co. line 2287 Comment
  HSC35789  Eriogonum diclinum J. O. Sawyer 1969-7-2 1001 Siskiyou E of Twin Lakes 2195 Comment
  CHSC71591  Eriogonum elatum var. villosum Vernon H. Oswald; Lowell Ahart 1998-8-3 9409 B Siskiyou USFS 41N03 1.0 mi east of its junction with Gazelle-Callahan Rd. 11.5 mi west of Gazelle. 1524 Comment
  CAS-BOT-BC255760  Eriogonum elatum var. villosum A. A. Heller 1925-7-25 13906 Siskiyou About 7 miles south of Yreka Comment
  CAS-BOT-BC261214  Eriogonum hirtellum James L. Reveal; Mark L. Reveal 1975-8-15 3958 Siskiyou Along the Baldy Mountain Lookout Road south of the South Fork of Indian Creek (Forest Service Road 17N23), 0.8 mile south of Bear Gulch crossing and about 4.3 miles north of Baldy Mountain Lookout, Siskiyou Mountains, Klamath National Forest Comment
  CAS-BOT-BC261213  Eriogonum hirtellum Rimo Bacigalupi; L. Constance; L. R. Heckard 1960-7-20 7458 Siskiyou Between Indian Creek drainage, N. Fk. Twin Valley Creek and Illinois Riv. drainage (Dunn Creek), boundary line - Del Norte and Siskiyou Counties 1615 Comment
  RSA184662  Eriogonum lobbii var. lobbii Clare B. Hardham 1965-8-20 13033 Siskiyou Marble Mountains. Cudahy Lakes. Comment
  CAS-BOT-BC263658  Eriogonum luteolum var. luteolum A. A. Heller 1917-9-7 12975 Siskiyou Klamath River above the mouth of the Shasta River Comment
  HSC43464  Eriogonum marifolium Jennifer Whipple 1977-7-20 1994 Siskiyou N slopes of Mount Eddy 2500 Comment
  HSC49420  Eriogonum marifolium J. O. Sawyer 1968-7-23 583 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  POM165524  Eriogonum marifolium Alice Eastwood 1921-7-25 10801 Siskiyou Pilgrim Creek nursery Comment
  SBBG21293  Eriogonum marifolium D. Myrick 1964-7-25 958 Siskiyou above Ski Bowl Lodge, Mt Shasta 2407 Comment
  LA206881  Eriogonum marifolium Lewis S. Rose; 1937-7-25 37588 Siskiyou Mount Shasta 1767 Comment
  CAS-BOT-BC267392  Eriogonum marifolium var. marifolium John Thomas Howell 1937-7-29 13630 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  HSC43401  Eriogonum nudum var. nudum K. T. Stillman 1976-7-14 241 Siskiyou Marble Mtn. Wilderness Area, E ridge down to Elk Valley 2073 Comment
  HSC43447  Eriogonum nudum var. nudum Jennifer Whipple 1976-7-8 1360 Siskiyou Dobkins Lake drainage on E slopes above Dobkins Lake 2256 Comment
  POM208283  Eriogonum nudum var. nudum Louis C. Wheeler 1934-6-19 2738 Siskiyou North Hungry Creek. Siskiyou Mtns. 1098 Comment
  CAS-BOT-BC269741  Eriogonum nudum var. oblongifolium Louis C. Wheeler 1935-6-29 3624 Siskiyou Yreka 807 Comment
  CAS-BOT-BC272493  Eriogonum nudum var. pubiflorum Lewis S. Rose 1945-6-19 45147 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC272482  Eriogonum nudum var. pubiflorum L. R. Abrams 1922-8-6 9908 Siskiyou Between Summit and Hornbrook Comment
  CAS-BOT-BC272494  Eriogonum nudum var. pubiflorum Frank W. Peirson 1923-7-19 4209 Siskiyou Camp on Whitney Creek, Mt. Shasta Comment
  SBBG83721  Eriogonum nudum var. pubiflorum D. Koutnik, M. Townsend 1979-9-10 592 Siskiyou 5 mi SW of Yreka on Fort Jones Rd 914 Comment
  UC726561  Eriogonum ovalifolium var. purpureum A. A. Heller 1938-7-13 15272 Siskiyou meadow about 1 mi s Bray 1402 Comment
  SD23790  Eriogonum pyrolifolium var. pyrolifolium William Bridge Cooke 1938-8-18 11495 Siskiyou Mt. Shasta, lava slopes 2514 Comment
  RSA142605  Eriogonum pyrolifolium var. pyrolifolium P. A. Munz 1960-8-22 24195 Siskiyou Panther Meadows, Mount Shasta 2530 Comment
  UCR45377  Eriogonum siskiyouense Thomas W. Nelson, Jane P. Nelson 1983-8-12 7582 Siskiyou Klamath National Forest. Along forest road 40N02 c. 1 mile north of junction with State Route 3 at Scott Mountain Summit 1646 Comment
  UC1324597  Eriogonum spergulinum var. reddingianum W. B. and V. G. Cooke 1966-7-17 37249 Siskiyou vicinity Inconstance Creek (meadow openings along Military Pass Road); Mt. Shasta 1828 Comment
  CDA22660  Eriogonum sphaerocephalum var. halimioides Don Shaw 1978-6-1 Siskiyou Sam s Neck, Butte Valley, southwest of Dorris. Comment
  JEPS56421  Eriogonum strictum var. proliferum J. G. Lemmon June 1889 Siskiyou near Mt. Eddy Comment
  CHSC99718  Eriogonum ternatum L. P. Janeway 2008-7-24 9483 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 1.3 air km east of Condrey Mountain. 2050 Comment
  CAS-BOT-BC267953  Eriogonum umbellatum Isabelle C. Kimber 1934-6-9 25 Siskiyou Steelbridge Camp, Sacramento River just above confluence with Ney Creek 731 Comment
  CAS-BOT-BC267954  Eriogonum umbellatum Elmer I. Applegate 1935-6-2 9271 Siskiyou Indian Well, Lava Beds National Monument Comment
  SEINET244751 Image available Eriogonum umbellatum James L. Reveal 2001-7-19 8348 Siskiyou Scott Valley, along South Kidder Creek Road 0.5 mile west-southwest of California Highway 3, about 6.1 air miles southwest of Fort Jones and 5.7 air miles north of Etna. 869 Comment
  CAS-BOT-BC267938  Eriogonum umbellatum C. H. M. 1919-10-12 s.n. Siskiyou Sacramento River Canyon (at Pollock bridge) Comment
  UC1035862  Eriogonum umbellatum var. argus Annie M. Alexander and Louise Kellogg 1948-9-8 5601 Siskiyou top of grade between Sawyers Bar and Etna 1737 Comment
  UC1409204  Eriogonum umbellatum var. argus Frederick W. Oettinger 1968-8-4 398 Siskiyou ridge s English Peak Lookout; Salmon Mountains, Marble Mountain Wilderness 2225 Comment
  UC1312940  Eriogonum umbellatum var. nevadense J. M. Tucker and L. K. Mann 1963-8-18 3761 Siskiyou top of saddle between Marble and sw ridge of Black Mountain; Marble Mountain Wilderness Area 2103 Comment
  RSA141264  Eriogonum umbellatum var. polyanthum P. Quentin Tomich 1954-6-20 417 Siskiyou Valentine Cave, Lava Beds National Monument. 1372 Comment
  SEINET10680303 Image available Eriogonum ursinum var. erubescens James L. Reveal, Julie D. Knorr 2002-8-5 Reveal 8371 Siskiyou Scott Bar Mountains, n and w slope and ridge of Deadwood Baldy Peak, Klamath National Forest, on metasedimentary (chert) soils associated with Ericameria nauseosa var. speciosa (and scattered Pseudotsuga menziesii). T.45N, R8W, secs 6 SE 1/4 of SW 1/4 and 7 NW1/4. 1675 Comment
  CAS-BOT-BC262369  Eriogonum vimineum L. E. Smith 1913-7-7 s.n. Siskiyou Yreka Comment
  CAS-BOT-BC262370  Eriogonum vimineum Gordon H. True No date on label 3295 Siskiyou Scott Valley, just west of Fort Jones 792 Comment
  CAS-BOT-BC443953  Eriophorum crinigerum Dana York 2012-7-20 3122 Siskiyou Rogue River - Siskiyou National Forest, Siskiyou Mountains, ca. 2.4 km W-SW of Cook and Green Pass, moist slope above Echo Lake. 1710 Comment
  JEPS83994  Eriophorum crinigerum L. R. Heckard with J. Hickman et al. 1986-7-17 6467 Siskiyou s Lily Pad Lake (trail up peak, ca 5 mi n of town of Seiad Valley); Kangaroo Peak 2011 Comment
  RSA238940  Eriophorum crinigerum Frederick W. Oettinger 1968-8-2 350 Siskiyou Common around small pools in wet boreal meadow that feeds Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  SEINET10750622  Eriophorum crinigerum Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 883 Siskiyou Shasta-Trinity National Forest. 11.7 miles up Stewart Springs road/Forest Service road 17 (distance from intersection of Stewart Springs and Old 99 Highway). T41N R6W near sections 28 and 33. 1983 Comment
  JEPS19990  Eriophorum gracile W. L. Jepson Aug. 1894 Siskiyou near Sisson Comment
  HSC92166  Eriophyllum lanatum Jennifer Whipple 1976-6-30 1195 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  OBI80237  Eriophyllum lanatum David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  SEINET10953204  Eriophyllum lanatum Melvin L. Conrad, David B. Dunn; Katherine L. Morris 1973-6-1 Conrad 6966 Siskiyou Oak-Juniper Woodland at margin of Klamath River, 2 miles south of Hornbrook. 701 Comment
  CAS-BOT-BC301116  Eriophyllum lanatum var. achilleoides Alice Eastwood 1921-7-24 10758 Siskiyou Castle Lake Comment
  POM358072  Eriophyllum lanatum var. achilleoides L. C. Wheeler 1934-6-2 2618 Siskiyou Oak Knoll ranger station, Klamath River; Mt. Diablo Mer. 671 Comment
  UC163824  Eriophyllum lanatum var. achilleoides Geo. D. Butler 1910-6-7 1532 Siskiyou McAdams Creek Comment
  CAS-BOT-BC301138  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-7-6 E 119 Siskiyou 10 m. n. Weed, on K. Falls road Comment
  CDA5415  Eriophyllum lanatum var. integrifolium T. C. Fuller 1962-8-3 9500 Siskiyou Siskiyou Mountains; 200 yards up Raggedass Gulch, east of Beaver Creek, 5 miles north of the Klamath River. 0 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
  UC796438  Eriophyllum lanatum var. integrifolium Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11860 Siskiyou 2.4 mi below summit Gazelle Mt. Grade (e side) 1417 Comment
  HSC76696  Eriophyllum lanatum var. lanceolatum K. T. Stillman 1976-8-7 202 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  SBBG8170  Eriophyllum lanatum var. lanceolatum H. and M. Dearing 1939-6-3 3534 Siskiyou near Scott Bar Comment
  CAS-BOT-BC301722  Eriophyllum lanatum var. lanceolatum Lester Rowntree 1935-6-6 s.n. Siskiyou Klamath River Comment
  UC1025071  Erysimum capitatum Leo Whitney 1934-6-15 1504 Siskiyou Mt. Shasta 2133 Comment
  UC117673  Erysimum capitatum Mrs. R. M. Austin June 1894 Siskiyou Willow Creek Valley Comment
  CDA24842  Erysimum capitatum F. D. Horn 1976-5-18 Siskiyou Sheeprock, Shasta Visat Estates, Grenada. 0 Comment
  HSC61797  Erysimum capitatum var. capitatum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC55108  Erysimum perenne John Thomas Howell 1937-7-29 13636 Siskiyou Scott Mountain, between Siskiyou and Trinity Counties. Comment
  HSC65343  Erysimum perenne Rich White 1978-7-20 264 Siskiyou Ridge top E of Raspberry Lake 1768 Comment
  UCD115071  Erysimum perenne J. M. Tucker 1963-7-7 3717 Siskiyou in vicinity of Paradise Lake, at base of Kings Castle on the east side, Marble Mountain Wilderness Area. 1981 Comment
  SEINET13694516 Image available Erythranthe alsinoides Sandra Holloway 1963-1 35 Siskiyou Indian campground, Clement's Ranch, ca. 4 miles northwest of Montague. 762 Comment
  CAS-BOT-BC105089  Erythranthe linearifolia R. C. Wenk 2008-7-25 961 Siskiyou 9.5 miles W of Callahan on Forest Highway 93 / Cecilville Rd. 1592 Comment
  SEINET14374345  Erythranthe primuloides G. D. Butler 1910-7-13 1770 Siskiyou Shackleford Creek. 1219 Comment
  UC1107165  Erythronium citrinum Dorothy Parker 1950-4-7 388 Siskiyou in forest near Scott Bar; Siskiyou Mountains, Scott River 515 Comment
  JEPS29123  Erythronium grandiflorum Lauramay T. Dempster 1961-7-1 1843 Siskiyou along ridge from Condry Peak to White Mountain (at head of Horse Creek drainage basin); Siskiyou Mts., Horse Creek 1859 Comment
  UCD21471  Eucephalus ledophyllus Ellen Dean; with Gary Nakamura and K. Mawdsley 2002-7-28 1211 Siskiyou Shasta Trinity National Forest; NW of Castle Crags, in Castle Crags Wilderness. Found west of I-5, near headwaters of the south fork of the Sacramento River. Near shore of Upper Gray Rock Lake. 1912 Comment
  UC922320  Eucephalus tomentellus Annie M. Alexander and Louise Kellogg 1949-7-23 5854 Siskiyou Sky High Valley Marble Mountains, Paradise Valley 1920 Comment
  OBI76726  Eucephalus tomentellus G. S. Ringius 1986-8-16 8492 Siskiyou SW of Etna. Etna summit on Forest Hwy 93 1646 Comment
  HSC44602  Euonymus occidentalis Laura Witherspoon 1977-7-12 Siskiyou On the periphery of Flint Valley 1341 Comment
  RSA126073  Euonymus occidentalis I. L. Wiggins 1955-7-21 13438 Siskiyou Rush Creek Trail 2 mi. above Mt. View Ranch. 1098 Comment
  RSA275330  Euonymus occidentalis J. O. Sawyer, K. T. Stillman 1976-7-1 2772 Siskiyou Along the Little North Fork of the Salmon River 732 Comment
  LA204658  Euonymus occidentalis var. occidentalis Carl Epling; 1938-6-10 sn Siskiyou Rogers Creek, Klamath Comment
  JEPS69764  Euphorbia crenulata W. B. and V. G. Cooke 1972-7-6 45461 Siskiyou Mud Creek Dam Road Mt. Shasta (Mt. Shasta) Comment
  RSA43870  Euphorbia lathyris H. M. Pollard 1948-8-5 s.n. Siskiyou Somes Bar, near Orleans. Comment
  CAS-BOT-BC310638  Eurybia radulina Geo. D. Butler 1910-7-20 1729 Siskiyou Goosenest foothills 1524 Comment
  CAS-BOT-BC413904  Fallopia convolvulus L. E. Smith 1915-7-1 s.n. Siskiyou Sisson Comment
  UCD98900  Fallopia japonica T. C. Fuller 1963-8-26 11152 Siskiyou Dunsmuir Grade, Hwy 99 to Mt. Shasta City, 0.5 mi. n. of the limits of Dunsmuir. Comment
  UCD98904  Fallopia japonica T. C. Fuller 1969-9-10 18887 Siskiyou 9055 Soquel Dr., also seen on freeway back of 9018 Soquel Dr., Rio Del Mar dist. E. of Aptos. Comment
  HSC100206  Festuca californica J. P. Smith, , J. O. Sawyer, & R. J. Cole 2011-5-22 13181 Siskiyou Matthews Campground on the Cecilville to Forks of Salmon Road. 640 Comment
  CAS-BOT-BC278731  Festuca idahoensis A. A. Heller 1916-6-23 12440 Siskiyou Near Black Butte north of Sisson 1127 Comment
  HSC100334  Festuca idahoensis J. P. Smith 2011-7-15 13302 Siskiyou 1427 Comment
  HSC157  Festuca idahoensis William J. Ferlatte 1966-8-3 251 Siskiyou Big Flat 1524 Comment
  HSC76644  Festuca idahoensis K. T. Stillman 1976-7-7 161 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  RSA47658  Festuca idahoensis Roxana S. Ferris, Laura Lorraine 11797 Siskiyou Scott Mountain Road south of Callahan Comment
  UC593516  Festuca idahoensis E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1962 Siskiyou about 2 mi s Sheep Rock (on highway from Bray to Weed, n slope of Mt. Shasta); Mt. Shasta 1249 Comment
  CAS-BOT-BC278881  Festuca occidentalis Ira L. Wiggins 1955-7-24 13498 Siskiyou Ridge betw. upper reaches of China & Blind Horse Creeks 1645 Comment
  HSC43046  Festuca occidentalis J. O. Sawyer, K. T. Stillman 1976-5-30 2760 Siskiyou Along Specimen Creek. 915 Comment
  CAS-BOT-BC278917  Festuca ovina C. L. Hitchcock; J. S. Martin 1939-7-9 5321 Siskiyou 1/2 mile southeast of King's Castle, Marble Mts. 1828 Comment
  CAS-BOT-BC278638  Festuca subulata A. A. Heller 1916-7-20 12466 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  RSA238398  Festuca subulata Frederick W. Oettinger 1969-9-4 1655 Siskiyou Margin of dry meadow below Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 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
  HSC100197  Frangula californica J. P. Smith, & J. O. Sawyer 2011-9-6 13421 Siskiyou Along East Moffett Creek Road 983 Comment
  HSC100188  Frangula purshiana J. P. Smith, & J. O. Sawyer 2011-9-3 13408 Siskiyou Along Old Shasta River Road. 744 Comment
  HSC30668  Frangula purshiana Frederick W. Oettinger 1968-8-23 617 Siskiyou Marble Mtn. Wilderness Area, midway down spillway from Diamond Lake to upper English Lake 1921 Comment
  CAS-BOT-BC59600  Frangula rubra subsp. rubra Doris K. Kildale 1929-6-22 8032 Siskiyou Base of Black Butte, Mt. Shasta Comment
  HSC42980  Frangula rubra subsp. rubra J. O. Sawyer, Ken Stillman 1976-5-29 2735 Siskiyou Junction of Specimen Creek and Little N Fork of the Salmon River 732 Comment
  SEINET10741456 Image available Frasera albicaulis subsp. nitida Edward L. Greene 1876-6-14 Greene 856 Siskiyou Collected near Yreka. Comment
  POM76612  Frasera albicaulis var. nitida Geo. D. Butler 1910-6-2 1451 Siskiyou Near Yreka Comment
  CDA39339  Fritillaria affinis D. Osterhandt & D. H. Shaw 1978-4-11 s.n. Siskiyou Vicinity of Forks of Salmon. 0 Comment
  UC618661  Fritillaria atropurpurea W. Bridge Cooke 1938-7-1 11155 Siskiyou below Wagon Camp; Mount Shasta 1706 Comment
  CAS-BOT-BC502838  Fritillaria atropurpurea Wm. F. Herrin 1922-5-1 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC504468  Fritillaria recurva Geo. D. Butler 1909-4-14 596 Siskiyou Humbug Road Comment
  CAS-BOT-BC504471  Fritillaria recurva Lincoln Constance; Reed C. Rollins 1942-5-14 2925 Siskiyou Road to Walker Post Office, 4 miles west of Yreka 1219 Comment
  CAS-BOT-BC508135  Fritillaria recurva Wm. F. Herrin 1921-5-9 s.n. Siskiyou Shasta Springs Comment
  HSC77387  Galium ambiguum subsp. siskiyouense L. P. Janeway 1983-6-25 325 Siskiyou Just E of West Branch USFS station 671 Comment
  HSC60824  Galium bifolium Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC36189  Galium bolanderi J. O. Sawyer 1969-6-11 819 Siskiyou Near C.C.C. road, in Horse Range Creek drainage 1360 Comment
  POM258014  Galium bolanderi C. Leo Hitchcock, J. S. Martin 1939-7-7 5298 Siskiyou Ca 15 miles N of Happy Camp on Happy Camp-Takilma Hwy. 915 Comment
  UCD121617  Galium boreale P. B. Schultz 1967-7-12 83 Siskiyou 8 miles north of Siskiyou-Shasta county line on State Highway 89. 1219 Comment
  CAS-BOT-BC540348  Galium glabrescens subsp. glabrescens Dana York 2012-7-20 3117 Siskiyou Siskiyou Mountains: Klamath National Forest, Red Buttes Wilderness, 430 m SSW of Red Butte along a ridge 1950 Comment
  UC1475695  Galium serpenticum subsp. scotticum Clifton and Ground 1978-6-30 1661 Siskiyou near Forest House (close to town of Yreka); Yreka Quadrangle 1098 Comment
  HSC19067  Galium triflorum J. O. Sawyer 1969-8-4 1891 Siskiyou Above S Sugar Lake 2043 Comment
  HSC35796  Galium triflorum J. O. Sawyer 1968-7-10 469 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  POM60669  Galium triflorum Copeland 1903-9-14 3933 Siskiyou Sisson. Comment
  CAS-BOT-BC200582  Garrya buxifolia Doris K. Kildale 1929-8-24 8836 Siskiyou Preston Peak 2133 Comment
  CAS-BOT-BC182159  Garrya fremontii Louis C. Wheeler 1934-6-22 2764 Siskiyou Cottonwood Cr. Klamath National Forest 1066 Comment
  CAS-BOT-BC182247  Garrya fremontii J. H. Thomas 1954-5-14 4186 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Along north side of river. 1219 Comment
  CAS-BOT-BC182275  Garrya fremontii Alice Eastwood 1912-8-28 1945 Siskiyou Cantara Comment
  UCD35434  Garrya fremontii Beecher Crampton 1956-8-21 3835 Siskiyou Canyon of the south fork of the Sacramento River. 1524 Comment
  CAS-BOT-BC282596  Gastridium phleoides L. E. Smith 1915-5-1 s.n. Siskiyou Dunsmuir Comment
  CAS-BOT-BC56289  Gaultheria ovatifolia W. R. Dudley 1899-7-6 s.n. Siskiyou Bartlett trail to Prestons Peak Comment
  UC1096799  Gayophytum diffusum subsp. parviflorum Barbe 1957-7-13 378 Siskiyou Big Flat Public Camp North Bay Counties, Klamath National Forest (along path to the spring at w side of camp) 1524 Comment
  UC1190234  Gayophytum diffusum subsp. parviflorum Ira L. Wiggins 1955-7-27 13535 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  UC1584292  Gayophytum heterozygum J. Kierstead 1990-8-23 90 -143 Siskiyou Cold Creek Mt. Shasta, McCloud R.D. (e slope of mt.) 1584 Comment
  JEPS123405  Gentianella amarella subsp. acuta Julie Kierstead Nelson with Don Lepley, Rhonda Posey 2015-8-13 2015 -125 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. Comment
  SEINET3151362  Geranium incisum G. D. Butler 1910-6-6 1458 Siskiyou Quartz Valley Comment
  SEINET8567382  Geranium oreganum G. D. Butler 1910-6-6 1458 Siskiyou Quartz Valley. Comment
  UC60893  Geum macrophyllum W. A. Setchell, C. C. Dobie 1902-7-17 Siskiyou Mount Shasta, Sisson Sisson; Mount Shasta, Sisson Comment
  HSC45795  Gilia capitata subsp. capitata J. P. Smith 1976-5-4 8659 Siskiyou Hwy. 96, 3.7 mi. W of Klamath National Forest boundary 610 Comment
  RSA47617  Githopsis specularioides Roxana S. Ferris, Laura Lorraine 1948-6-12 11732 Siskiyou French Creek Logging Road W of Callahan. 1067 Comment
  CAS-BOT-BC282717  Glyceria elata Wm. Bridge Cooke 1937-8-6 9209 Siskiyou Bear Springs, Mount Shasta 1524 Comment
  HSC26629  Glyceria elata J. P. Smith, Steve Selva 1970-6-16 4061 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  HSC69134  Glyceria elata Maralyn A. Renner 1980-8-4 2230 Siskiyou Flint Valley 1390 Comment
  UCD85158  Glyceria elata J. M. Tucker 1963-8-19 3774 Siskiyou Marble Mountain Wilderness Area, headwaters of Canyon Creek. 1950 Comment
  HSC31076  Glyceria striata Frederick W. Oettinger 1969-9-4 1651 Siskiyou Salmon Mtns., Tobacco Lake. 1890 Comment
  HSC31080  Glyceria striata Frederick W. Oettinger, R. F. Thorne 1969-8-6 1234 Siskiyou Marble Mtn. Wilderness Area, rocky N slope on S side of Pine Lake 1951 Comment
  RSA15684  Gnaphalium chilense C. B. Wolf 1927-8-26 1061 Siskiyou Klamath River, 3 miles below Gottville Comment
  CAS-BOT-BC302671  Gnaphalium palustre Doris K. Kildale 1928-7-4 5535 Siskiyou 1 1/2 miles east of summit between Sawyers Bar & Etna Comment
  POM56236  Gnaphalium palustre Geo D. Butler 1910-6-12 1560 Siskiyou Yreka Creek. Comment
  RSA237529  Gnaphalium thermale Frederick W. Oettinger 1969-9-4 1638 Siskiyou NE side of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1951 Comment
  JEPS83864  Goodyera oblongifolia Wayne Roderick 1976-7-1 Siskiyou vicinity of Cook and Green Pass (ne side of Pass, Siskiyou Mountains); Siskiyou Mountains 1463 Comment
  UCD169266  Grayia spinosa T. Bruchman 1978-7-1 147 -A Siskiyou Tule Lake National Wildlife Refuge, along Hill Road. Comment
  CAS-BOT-BC314627  Grindelia hirsutula Lewis S. Rose 1941-8-28 41428 Siskiyou Macdoel 1297 Comment
  UCD98140  Gypsophila paniculata T. C. Fuller 1963-8-27 11160 Siskiyou n. limits of Macdoel. 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
  CDA40631  Hackelia californica J. R. Grisham & D. H. Shaw 1978-6-17 s.n. Siskiyou Old Stage Road, south of Mount Shasta City. 0 Comment
  RSA12573  Hackelia californica C. B. Wolf 1934-7-6 6013 Siskiyou 0.5 mi. so. of Wagon Camp, So. slope of Mt. Shasta. 1524 Comment
  JEPS55573  Hackelia micrantha Geo. D. Butler 1908-8-6 13 Siskiyou head of Independence Creek (Whiskey Camp); , Whiskey Camp 1676 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
  UC455973  Hackelia mundula I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1981 Comment
  UC637164  Hackelia setosa Edward Lee 1934-8-14 1121 Siskiyou w slope of Little Grayback 1706 Comment
  CAS-BOT-BC504610  Hastingsia alba Alice Eastwood 1921-7-24 10722 Siskiyou Castle Lake Comment
  CAS-BOT-BC504617  Hastingsia alba Louis C. Wheeler 1934-7-3 2845 Siskiyou Klamath Forest, Soda Creek 1524 Comment
  HSC44998  Hastingsia serpentinicola J. P. Smith, Steve Selva 1970-7-17 4454 Siskiyou Below Kangaroo Lake. 1890 Comment
  HSC26895  Hazardia whitneyi var. discoidea J. P. Smith 1971-9-17 4786 Siskiyou On trail up to Little Duck lake 1829 Comment
  UC609328  Hazardia whitneyi var. discoidea Eleanor Burks Hart 1938-8-20 954 Siskiyou below Red Cap 2316 Comment
  UC897321  Helenium bigelovii Alice Eastwood 1912-7-15 1088 Siskiyou McCloud Comment
  CAS-BOT-BC306736  Helenium bigelovii Gilbert Muth 1965-8-2 s.n. Siskiyou Marble Valley Comment
  RSA126340  Helenium bigelovii I. L. Wiggins 1955-7-26 13510 Siskiyou Banks of S Fork of Salmon R just above mouth of Blind Horse Creek 887 Comment
  CAS-BOT-BC309576  Helenium puberulum Doris K. Kildale 1928-7-25 5902 Siskiyou Klamath River, at Mack's Creek near Hamburg Comment
  CAS-BOT-BC314841  Helianthella californica var. shastensis L. E. Smith 1914-5-21 707 Siskiyou Dunsmuir Comment
  HSC5783  Helianthus annuus R. C. Wunner 1965-7-21 409 Siskiyou California Lava Beds National Monument; Near Canby Cross on both sides of the road 1220 Comment
  POM211774  Helianthus bolanderi L. C. Wheeler 1934-10-6 3311 Siskiyou Shasta Valley, 2 mi. SE of Yreka. (Mt. Diable Mer.) 854 Comment
  UC166237  Helianthus cusickii Geo. D. Butler 1909-4-7 637 Siskiyou mountain side nw Yreka Comment
  UC133579  Heliotropium curassavicum A. A. Heller 1905-6-19 8064 Siskiyou Grenada Comment
  CHSC114173  Heliotropium curassavicum var. oculatum R. E. Brainerd 2010-8-5 1731 Siskiyou Interstate Highway 5, 12.5 air miles southeast of Yreka. UTM Zone 10 541522E 4603756N 798 Comment
  CAS-BOT-BC313465  Hemizonella minima Doris K. Kildale 1928-7-4 5492 Siskiyou Summit of divide between Salmon River to Scott Valley Comment
  RSA44880  Herniaria hirsuta subsp. cinerea J. C. Roos 1948-9-1 3937 Siskiyou Fort Jones. Comment
  CDA3752  Hesperis matronalis William J. Ferlatte 1990-5-23 Siskiyou Old Edgewood Road near railroad undercrossing, Edgewood. 0 Comment
  CHSC105862  Hesperochiron californicus Julie Kierstead Nelson 2010-7-3 2010 -013 Siskiyou Scott Mountain; Road 40N08 from Hwy. 3 at summit to Carmen Lake, at Pacific Crest Trail crossing. On west-facing , rocky slope and on gravel of road. 1676 Comment
  JEPS19801  Hesperolinon micranthum Rimo Bacigalupi with S. Galen Smith 1957-6-27 6024 Siskiyou hill just w <town unspecified> town limits 1036 Comment
  SEINET10460602  Heterocodon rariflorum Willis L. Jepson Jepson 1894 Siskiyou SISSON Comment
  SEINET10906087  Heterocodon rariflorum A. Arthur Heller Heller 12410 Siskiyou BASE OF MT. EDDY Comment
  UC166203  Heterotheca oregona var. rudis Geo. D. Butler 1908-8-27 321 Siskiyou Oro Fino, old mining dump Oro Fino Comment
  SEINET515874  Heterotheca villosa Vernon H. Oswald 1998-9-8 9607 Siskiyou USFS 3 ca. 0.8 mi. W of Julia Glover Flat, ca. 6 air mi W of mosquito Lake and Whitehorse Flat Reservoir, ca. 2 air mi northwest of Indian Spring Mtn. 1128 Comment
  JEPS84339  Heuchera merriamii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6408 Siskiyou 5 mi n Seiad Valley (at head of Hell's Canyon); Hell's Canyon 1750 Comment
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Jul 30 2009
  SFV8670  Heuchera merriamii J. M. Tucker 1963-8-19 3773 Siskiyou Klamath Mountains Marble Mountain Wilderness Area. Headwaters of Canyon Creek at the east base of Marble Mountain. 1951 Comment
  UC530057  Heuchera merriamii Louis C. Wheeler 1934-8-2 3012 Siskiyou head of Jaynes Canyon; Siskiyou Mts 2042 Comment
  CAS-BOT-BC425006  Heuchera micrantha var. micrantha Lewis S. Rose 1945-6-18 45107 Siskiyou Horse Creek & Klamath River 502 Comment
  HSC22256  Heuchera rubescens J. O. Sawyer 1969-7-24 1487 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  HSC61158  Heuchera rubescens Al Hobart 16 Jul [year missing] Siskiyou El Capitan Comment
  JEPS36597  Hieracium albiflorum Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson Region of the Upper Sacramento Comment
  UC618643  Hieracium albiflorum unknown 1938-7-15 11169 Siskiyou Bear Springs Mount Shasta, Bear Springs Comment
  CHSC69070  Hieracium greenei Vernon Oswald; Lowell Ahart 1997-7-28 8801 Siskiyou Forest Route 15 near Grasshopper Flat, 3.9 mi south of Medicine Lake Road. 1700 Comment
  UC572808  Hieracium horridum unknown 1937-8-17 9257 Siskiyou Mt. Shasta 2590 Comment
  UC144251  Hieracium nudicaule A. A. Heller 1905-6-22 8088 Siskiyou near Igerna Comment
  UC897833  Hieracium nudicaule Lewis S. Rose 1937-7-26 37609 Siskiyou McCloud 1005 Comment
  CAS-BOT-BC316028  Hieracium scouleri Doris K. Kildale 1929-7-20 8633 Siskiyou Trail up South Fork of Indian Creek to Elk Lick 1371 Comment
  HSC76864  Hieracium scouleri K. T. Stillman 1976-9-9 478 Siskiyou Marble Mountain Wilderness Area. Big Rock Camp- Elk Valley Trail 1921 Comment
  JEPS94997  Hieracium scouleri Vernon Oswald and Lowell Ahart 1997-7-28 8777 Siskiyou Forest Route 56. 3.7 mi east of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave. Comment
  HSC44982  Holodiscus discolor J. O. Sawyer 1978-6-21 3286 Siskiyou Marble Mtn. Wilderness Area, along trail N of Clear Lake 1951 Comment
  HSC58952  Holodiscus discolor Marvin Butler 1971-7-29 240 Siskiyou Near Copper Camp, close to the town of Cave Junction 1464 Comment
  CAS-BOT-BC152383  Holodiscus discolor var. discolor John Thomas Howell 1937-7-29 13654 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  CAS-BOT-BC152384  Holodiscus discolor var. discolor John Thomas Howell 1939-8-6 15106 Siskiyou Elk Mt., Marble Mts. Comment
  CAS-BOT-BC150135  Holodiscus microphyllus var. glabrescens Elmer I. Applegate 1923-8-18 3873 Siskiyou Crest of Redshale Mountain, east side of Medicine Lake Comment
  HSC4859  Holodiscus microphyllus var. glabrescens J. O. Sawyer 1968-6-18 227 Siskiyou Headwaters of Blake's Fork of S Russian Creek 1738 Comment
  CAS-BOT-BC289281  Hordeum brachyantherum subsp. brachyantherum Alice Eastwood 1921-7-28 10937 Siskiyou Medicine Lake Comment
  UC1024787  Hordeum brachyantherum subsp. brachyantherum Leo Whitney 1934-6-29 2235 Siskiyou near Tennant (Antelope); Antelope Creek 1463 Comment
  UCD85592  Hordeum depressum A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3423 Siskiyou Shasta Valley. 6 miles N of Gazelle. Comment
  UC197111  Hordeum murinum subsp. leporinum Geo. D. Butler 1908-6-25 487 Siskiyou near Yreka Comment
  UC54352  Horkelia daucifolia H. M. Hall and E. B. Babcock June, 1903 4085 Siskiyou near Edgewood; Sierra Nevada, Mt. Shasta 1158 Comment
  RSA88251  Horkelia daucifolia Geo. D. Butler 1909-5-8 713 Siskiyou Shasta Valley Comment
  UC860226  Horkelia fusca subsp. parviflora A. A. Heller 1916-6-23 12429 Siskiyou n Sisson (near Black Butte) Comment
  JEPS113065  Horkelia fusca var. brownii Roy Buck 1987-6-27 732 Siskiyou along USFS Road 41N36 ca 20 mi NE of Bartle Comment
  SEINET9161337  Horkelia fusca var. brownii L. Ahart, V. Oswald 1997-7-28 8800 .1 Siskiyou Pumice Stone Well, on FR 15, 0.2 mile S of Medicine Lake Road. 1905 Comment
  CAS-BOT-BC514283  Horkelia fusca var. pseudocapitata A. A. Heller 1905-6-17 8055 Siskiyou Sisson - between Sisson and Barnard station. Comment
  CAS-BOT-BC514284  Horkelia fusca var. pseudocapitata A. A. Heller 1916-6-23 12429 Siskiyou Near Black Butte N of Sisson 1127 Comment
  CAS-BOT-BC514292  Horkelia fusca var. pseudocapitata Alice Eastwood 1921-7-25 10810 Siskiyou Bigelows, McCloud River Comment
  HSC70599  Horkelia tridentata var. flavescens J. O. Sawyer, R. J. Cole 1981-7-2 4153 Siskiyou Near Scott Mtn. Campground 1585 Comment
  CAS-BOT-BC201122  Hosackia crassifolia L. E. Smith 1913-6-29 440 Siskiyou Rainbow Comment
  CAS-BOT-BC201125  Hosackia crassifolia Jessie P. Rose 1905-7-1 157 Siskiyou North side of Ashland Butte, Siskiyou Mts. 1828 Comment
  UCD106128  Hosackia oblongifolia A. A. Heller 1915-7-15 12101 Siskiyou Mt. Eddy. Comment
  CDA2813  Humulus lupulus T. C. Fuller 1959-10-21 3155 Siskiyou North limits of Mt. Shasta City. 0 Comment
  UC1733771  Hydrophyllum capitatum var. alpinum Kay H. Beach 1940-5-15 1038 Siskiyou Bull Meadows Comment
  HSC27489  Hydrophyllum occidentale J. P. Smith, J. O. Sawyer 1972-5-27 5352 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  RSA715488  Hymenolobus procumbens L. Ahart, John Dittes 2005-6-9 12044 Siskiyou On the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 22 1/2 miles (air) east-southeast of Grenada. 775 Comment
  UC718165  Hymenoxys lemmonii Carl B. Wolf 1934-7-5 5976 Siskiyou 4 6/10 mi n Gazelle; Shasta Valley 822 Comment
  CAS-BOT-BC400991  Hypericum anagalloides Alice Eastwood 1921-7-29 10968 Siskiyou Medicine Lake Comment
  UC1408883  Hypericum anagalloides Frederick W. Oettinger 1968-8-1 444 Siskiyou meadow at inlet to Tobacco Lake; Salmon Mts, High Lake Basins, English Peak vicin., Marble Mt 1889 Comment
  RSA238862  Hypericum perforatum Frederick W. Oettinger, R. F. Thorne 1969-8-8 1307 Siskiyou Mid-way between the English lake main camp and 'Sundew Bog' due west of the camp. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  POM211385  Idahoa scapigera L. C. Wheeler 1935-3-16 3373 Siskiyou Klamathon, Klamath River. 701 Comment
  JEPS104998 Image available Iliamna bakeri Dean W. Taylor 1996-7-25 15834 Siskiyou Scott Mtns., on watershed divide between Crater Creek drainage and Mountain House Creek drainage (about 15 air miles west of Weed); Klamath National Forest. 1645 Comment
  LA40958  Iliamna bakeri Lincoln Constance; 1940-6-28 15193 Siskiyou Memorial Highway, Mount Shasta 1523 Comment
  POM253292  Iliamna bakeri A. A. Heller 1938-7-12 s.n. Siskiyou Along Hwy 97, 10 miles northeast of Weed Comment
  HSC45996  Ipomopsis aggregata J. P. Smith, Steve Selva 1970-7-27 4518 Siskiyou Gumboot Lake 1768 Comment
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Jun 7 2012
  UC23327  Ipomopsis aggregata unknown 1862-9-13 1368 Siskiyou near Mt. Shasta Upper Sacramento Comment
  UC933392  Ipomopsis aggregata Annie M. Alexander and L. Kellogg 1948-9-9 5616 Siskiyou meadow at start of a 2 mi trail to Taylor Lake from Cook and White MIne Siskiyou Mtns 1584 Comment
  UCD118229  Ipomopsis aggregata J. M. Tucker 1948-8-2 1758 Siskiyou McCloud Cemetery, 2 miles south of McCloud. Comment
  JEPS95608  Ipomopsis aggregata subsp. formosissima Vernon H. Oswald and L. Ahart 1994-8-10 6463 Siskiyou T40N R3W center Sec. 16, 5200 ft, Montane Chaparral. FS 31 0.6 mi E of Ski Park Hwy. (FS 88), ca. 5 mi (air) NW of McCloud 1584 Comment
  POM65763  Ipomopsis aggregata subsp. formosissima E. B. Copeland 1903-8-15 3919 Siskiyou Mount Shasta. 2317 Comment
  POM259367  Ipomopsis congesta J. T. Howell 1939-8-4 15047 Siskiyou Marble Rim, Marble Mts Comment
  SEINET12278918  Ipomopsis congesta H. P. Chandler 1901-1 1666 Siskiyou Marble Mountain 2438 Comment
  UCD118368  Ipomopsis congesta A. H. Murphy 1958-8-6 58 J Siskiyou Klamath National Forest, Red Mountain (Boulder Peak), Marble Mountains. 2346 Comment
  UC909355  Iris missouriensis Ira L. Wiggins 1950-5-27 12357 Siskiyou Callahan Ranger Station Callahan, Scott River (banks of e fork of Scott River) 975 Comment
  HSC67517  Iris tenuissima J. P. Smith 1976-5-5 8692 Siskiyou Road from Forks of Salmon to Somes Bar 366 Comment
  CAS-BOT-BC88666  Isatis tinctoria William Bridge Cooke 1940-6-20 15150 Siskiyou Along the Pacific Highway in the Klamath River gorge. 609 Comment
  CAS-BOT-BC57679  Isoetes bolanderi John Thomas Howell 1939-8-2 14892 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC165296  Isopyrum stipitatum Geo. D. Butler 1909-2-28 584 Siskiyou near Yreka; near Yreka Comment
  JEPS67094  Juncus brachyphyllus Geo. D. Butler 1910-5-28 1422 Siskiyou Shasta Valley Comment
  HSC30704  Juncus drummondii Frederick W. Oettinger 1968-9-9 797 Siskiyou Marble Mtn. Wilderness Area. shoreline of Tom's Upper Pond 2020 Comment
  HSC76689  Juncus drummondii K. T. Stillman 1976-7-30 313 Siskiyou Marble Mountain Wilderness Area, trail from Big Rock Camp to Jump off. 1982 Comment
  UC1601865  Juncus ensifolius Miss Edmonds 1890-7-4 Siskiyou Comment
  RSA238899  Juncus hemiendytus var. hemiendytus Frederick W. Oettinger 1969-8-15 1386 Siskiyou Inlet of upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UCD77272  Juncus mertensianus Robert E. Preston 2001-6-23 1611 a Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 1965 Comment
  CHSC71610  Juncus orthophyllus Vernon H. Oswald; Lowell Ahart 1998-8-3 9422 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 41N10. Along roadside drainage. 1554 Comment
  RSA240063  Juniperus communis var. montana Frederick W. Oettinger 1969-8-23 1513 Siskiyou Slope near Smith Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  HSC4851  Juniperus communis var. saxatilis J. O. Sawyer 1968-9-11 692 Siskiyou 1616 Comment
  CAS-BOT-BC81225  Juniperus occidentalis L. E. Smith 1913-8-13 522 Siskiyou Yreka Comment
  CAS-BOT-BC81236  Juniperus occidentalis Edward Lee 1934-8-9 1013 Siskiyou Above Shasta Creek, 6 miles north of Yreka Comment
  CAS-BOT-BC81244  Juniperus occidentalis C. Etienne 1969-12-27 s.n. Siskiyou 15 mi. N of Weed, Highway 97 1767 Comment
  UC637101  Juniperus occidentalis Edward Lee 1934-8-9 1013 Siskiyou 6 mi n, above Shasta Creek Yreka Comment
  RSA352528  Juniperus occidentalis var. occidentalis B. C. Templeton 1960-6-21 8534 Siskiyou Between California State line and the Agricultural Inspection Station Comment
  JEPS86079  Kelloggia galioides Wayne Roderick 1966-6-26 Siskiyou Cook and Green Pass summit; Cook and Green Pass 1371 Comment
  HSC77093  Kelloggia galioides K. T. Stillman 1976-8-7 363 Siskiyou Marble Mtn. Wilderness Area, trail to Marble Valley Guard Station Comment
  POM198424  Koeleria macrantha Geo D. Butler 1910-7-3 1625 Siskiyou Goosenest Foothills 1220 Comment
  UC70743  Koeleria macrantha T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  JEPS40203  Kyhosia bolanderi Geo. D. Butler 1908-8-4 299 Siskiyou head Shackelford Creek 1676 Comment
  CAS-BOT-BC340373  Kyhosia bolanderi C. G. Pringle 1882-9-7 s.n. Siskiyou About Mt. Shasta Comment
  CAS-BOT-BC340374  Kyhosia bolanderi C. G. Pringle 1882-9-7 s.n. Siskiyou About Mt. Shasta Comment
  HSC41075  Kyhosia bolanderi J. O. Sawyer 1969-9-11 2017 Siskiyou Behind Sugar Lake 2073 Comment
  OBI55444  Lactuca biennis David J. Keil 1992-7-20 23502 Siskiyou Klamath NF. Along Forest Rd 46N64, 2.8 mi W of Scott river rd Comment
  POM208430  Lagophylla ramosissima L. C. Wheeler 1934-7-16 2905 Siskiyou Gottville, Klamath River; Siskiyou Mts. 564 Comment
  UC883163  Lamium amplexicaule Louis C. Wheeler 1935-4-18 3429 Siskiyou Greenhorn Creek; Siskiyou Mts. 1005 Comment
  SEINET3131407  Lathyrus californicus G. D. Butler 1910-7-6 1644 Siskiyou Shackleford Creek 914 Comment
  CAS-BOT-BC204987  Lathyrus jepsonii var. californicus W. R. Dudley 1905-8-3 s.n. Siskiyou By Sacramento River Comment
  CDA17136  Lathyrus nevadensis G. F. Hrusa 2001-6-6 15850 Siskiyou Siskiyou Mountains; Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. 1424 Comment
  UCD106389  Lathyrus nevadensis Alfred H. Murphy 1961-7-19 61 F Siskiyou Marble Mtns. Klamath National Forest, Sky High Valley, north end. 1584 Comment
  JEPS82463  Lathyrus nevadensis var. nevadensis Gilbert Muth 1966-7-14 384 Siskiyou Marble Valley, above pasture Marble Mt. Wilderness Area 1798 Comment
  RSA3772  Lathyrus pauciflorus subsp. brownii A. A. Heller 1927-5-14 14378 Siskiyou About the base of black Butte near the western base of Mount Shasta. Comment
  RSA30645  Lathyrus tracyi Lincoln Constance, Reed C. Rollins 1942-5-12 2898 Siskiyou Klamath River 2 miles north of Somes Bar. 183 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
  RSA87133  Leersia oryzoides L. C. Wheeler 1934-9-16 3270 Siskiyou Walker, Klamath River 518 Comment
  RSA768774  Lemna gibba Lowell Ahart, John Dittes 2010-7-30 16959 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
  CHSC91370  Lemna minuta Lowell Ahart; John Dittes 2005-6-10 12110 Siskiyou At intake pipe, at 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
  CHSC519  Lepidium campestre G. Spurlock 1935-6-1 Siskiyou Comment
  HSC41626  Lepidium campestre Barbara Kelly 1977-5-21 483 Siskiyou Parking lot at Callahan, next to grocery store Comment
  RSA240050  Lepidium campestre Frederick W. Oettinger, R. F. Thorne 1969-8-5 1214 Siskiyou Young s Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1463 Comment
  POM93965  Lepidium densiflorum var. bourgeauanum Geo. D. Butler 1910-6-27 1612 Siskiyou Yreka Creek. Comment
  UC375300  Lepidium densiflorum var. macrocarpum Geo. D. Butler 1909-7-14 130 Siskiyou near Yreka Comment
  CAS-BOT-BC12834  Lepidium perfoliatum Doris K. Kildale 1929-6-25 8356 Siskiyou 6 miles north of Klamath River on Pacific Highway. Comment
  JEPS88951  Lepidium virginicum Geo. D. Butler 1910-6-27 1612 Siskiyou Yreka Creek Comment
  HSC6830  Lepidium virginicum D. M. Thomson 1965-7-10 124 Siskiyou California Lava Beds National Monument, by Information Center, next to parking lot Comment
  RSA238567  Leptosiphon nuttallii Frederick W. Oettinger 1969-8-23 1516 Siskiyou Open meadow in Red Fir woods, Hamilton Camp. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1402 Comment
  RSA429772  Lesquerella occidentalis Christopher Davidson 1975-6-5 2696 Siskiyou 0.7 mile on dirt road departing NE directly from Scott Mtn Summit. 1738 Comment
  CAS-BOT-BC341901  Lessingia nemaclada W. R. Dudley 1899-8-23 s.n. Siskiyou Near Callahan's Comment
  JEPS20622  Lessingia nemaclada Milo S. Baker 1893-8-17 Siskiyou Squaw Valley Mt. 1219 Comment
  POM4765  Lessingia nemaclada George B. Grant 1902-9-14 5213 Siskiyou Dunsmuir Comment
  CAS-BOT-BC58265  Leucothoe davisiae Walter Knight; Irja Knight 1983-9-16 4934 Siskiyou Outflow at Cliff lake, upper Sacramento River watershed. 1767 Comment
  HSC4870  Leucothoe davisiae J. O. Sawyer 1968-7-9 401 Siskiyou Ridge between Sugar Creek and Duck Lake drainages, Sugar Creek near Sugar Lake 2195 Comment
  SBBG25822  Leucothoe davisiae D. Myrick 1966-8-10 1519 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  SJSU6542  Leucothoe davisiae R. W. Trivelpiece 1973-6-22 153 Siskiyou trail to Big Duck Lakes, Scott R drainage c. 7 mi W of Callahan 1920 Comment
  HSC65559  Lewisia cotyledon R. White 1977-6-19 84 Siskiyou 1 mi. from Trout Camp by trail to Devil's Punchbowl 1341 Comment
  RSA215609  Lewisia cotyledon Gilbert Muth 1969-8-6 1177 Siskiyou Second Valley Comment
  RSA760545  Lewisia cotyledon R. F. Thorne, Frederick W. Oettinger 1969-8-4 63369 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  UC163731  Lewisia cotyledon var. cotyledon Geo. D. Butler 1909-7-20 460 Siskiyou Highland Mine Comment
  UCD13173  Lewisia cotyledon var. cotyledon Clyde Byfield 1973-7-1 S 164 Siskiyou Siskiyou CO. Klamath National Forest, on U.S.F.S. trail 11 W 23, 5 miles west of Hayes Cabin. Elevation 5700 feet. 1737 Comment
  CAS-BOT-BC444081  Lewisia leeana Harley P. Chandler 1901-6-1 1609 Siskiyou North Coast Ranges. Near Marble Mountain 2286 Comment
  HSC92935  Lewisia triphylla Jennifer Whipple 1976-7-2 1279 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC24052  Lewisia triphylla J. O. Sawyer 1971-7-2 2403 Siskiyou 1463 Comment
  JEPS73739  Leymus cinereus George D. Butler 1908-6-25 483 Siskiyou Butler's Ranch near Yreka Comment
  UC197482  Leymus triticoides Geo. D. Butler 1910-6-25 1603 Siskiyou Yreka Comment
  UCD65601  Leymus triticoides Mr. Roseman 1913-1 12 Siskiyou Butte Valley. Comment
  CDA32475  Leymus triticoides Bill Huse 1960-6-2 4518 Siskiyou Tulelake. 0 Comment
  HSC22238  Ligusticum californicum J. O. Sawyer 1969-8-5 1749 Siskiyou W of Little Duck Lake 2073 Comment
  SFV8559  Ligusticum californicum J. M. Tucker 1963-8-20 3786 Siskiyou Marble Mountain Wilderness. Headwaters of Canyon Creek. About 0.5 miles northeast of Marble Valley Guard Station. 1921 Comment
  UCD77824  Ligusticum grayi Robert E. Preston 2001-7-21 1727 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2066 Comment
  RSA377128  Lilium M. B. Dunkle 1944-7-12 9085 Siskiyou Siskiyou National Forest Comment
  HSC22275  Lilium kelleyanum J. O. Sawyer 1969-8-4 1888 Siskiyou Above S Sugar Lake 2043 Comment
  RSA518681  Lilium kelleyanum L. R. Heckard, P. Rubtzoff 1971-8-1 2686 Siskiyou Road from Stewarts Springs to The Eddys, 4 miles below the summit of Mt. Eddy ridge 1585 Comment
  CAS-BOT-BC130813  Lilium pardalinum Marion Ownbey; Fred G. Meyer 1940-7-6 2200 Siskiyou Cayenne Ridge, Marble Mountain Comment
  UC705659  Lilium pardalinum Marion Ownbey, Fred G. Meyer 1940-7-6 2200 Siskiyou Cayenne Ridge; Marble Mountain Comment
  SEINET10813742 Image available Lilium pardalinum Lawrence Beane, Vollmer, Albert Michael 1954-7-16 Beane 1266 Siskiyou Siskiyou Mountains near Oregon border west of U.S. Highway 99 Comment
  HSC96290  Lilium pardalinum subsp. shastense Gordon Leppig 1998-8-13 1006 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  CAS-BOT-BC438792  Lilium pardalinum subsp. wigginsii Dana York; Jim Shevock 2012-7-20 3116 Siskiyou Klamath National Forest, Siskiyou Mountains, 4 km W-SW of Cook and Green Pass, moist slope above Lily Pad Lake. 1780 Comment
  CAS-BOT-BC133019  Lilium washingtonianum subsp. purpurascens Doris K. Kildale 1928-7-4 5546 Siskiyou Etna Creek, on road from Sawyers Bar to Etna Comment
  HSC33339  Lilium washingtonianum subsp. purpurascens William J. Ferlatte 1974-7-25 1583 Siskiyou Yellow Rose Mine 2073 Comment
  JEPS86087  Lilium washingtonianum subsp. washingtonianum Wayne Roderick 1966-6-27 Siskiyou a short way out Mt. Shasta (town) (along highway to Panther, Meadow Ski Area) 1371 Comment
  UC164132  Linanthus bolanderi Geo. D. Butler 1910-4-14 1172 Siskiyou Yreka Comment
  JEPS97797  Linanthus harknessii J. Greenhouse 2000-7-16 5010 Siskiyou Boundary of Siskiyou and Trinity counties Scott Mountain Summit campground; Scott Mountain, Klamath National Forest, Trinity National Fo 1645 Comment
  CAS-BOT-BC94932  Linanthus nuttallii R. C. Wenk 2006-7-23 529 Siskiyou Coffee Creek Road, Big Flat Meadow, along Yellow Rose Mine trail to Dorleska Mine 1975 Comment
  CDA6299  Linaria genistifolia subsp. dalmatica C. S. Giebner 1960-5-2 Siskiyou Highway 99, Pinehurst Motel, 2 miles south of Weed. 0 Comment
  HSC28213  Linnaea borealis subsp. longiflora Carl W. Mize 1972-6-23 94 Siskiyou Along trail by Camp Three. 976 Comment
  RSA0087560  Linnaea borealis subsp. longiflora E. K. Balls 1949-7-9 13937 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar. 1006 Comment
  UC1333333  Linnaea borealis var. longiflora Dorothy Parker 1949-8-12 363 Siskiyou along banks Duck Lake Creek (Salmon Mountain); Siskiyou Mountains, , Duck Lake Creek banks 1524 Comment
  RSA187335  Linum lewisii H. A. Thomas, John H. Thomas 1954-7-25 4538 Siskiyou Salmon Trinity Mts, Vicinity of Rush Lake and Rush Creek Meadow, 9 miles E of Cecilville. 1829 Comment
  RSA238528  Linum lewisii Frederick W. Oettinger 1968-8-18 569 Siskiyou West side of Hancock Lake just north of the campsite area. The High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness area. 1936 Comment
  JEPS84237  Listera caurina L. R. Heckard with J. Hickman et al. 1986-7-17 6523 Siskiyou e Condrey Mt.; Alex Hole region 1980 Comment
  HSC62309  Listera convallarioides Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  SEINET13953010 Image available Lithocarpus densiflorus A. A. Heller 1915-1 12248 Siskiyou Wagon creek at foot of Mt. Eddy 1128 Comment
  SEINET13953011 Image available Lithocarpus densiflorus A. A. Heller 1918-1 13035 Siskiyou Mt. Eddy, W of Sisson, on open SE slope, in Jeffrey pine belt 2134 Comment
  CAS-BOT-BC36531  Lithocarpus densiflorus var. echinoides A. A. Heller 1918-7-16 13035 Siskiyou Mt. eddy, west of Sisson, on open southeastern slope 1524 Comment
  UC705919  Lithocarpus densiflorus var. echinoides Marion Ownbey, Fred G. Meyer 1940-7-3 2163 Siskiyou 7 mi nw McCloud Comment
  UC726779  Lithocarpus densiflorus var. echinoides A. A. Heller 1918-7-16 13035 Siskiyou Mt. Eddy 1524 Comment
  CAS-BOT-BC435485  Lithophragma glabrum Gilbert Muth 1966-7-8 366 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  JEPS94268  Lithophragma tenellum Vernon H. Oswald and Lowell Ahart 1998-6-11 9209 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  JEPS73750  Lolium multiflorum Geo. D. Butler 1908-6-25 482 Siskiyou Butler's Ranch along creek near Yreka; Butler's Ranch Comment
  JEPS120250  Lomatium engelmannii Julie Kierstead Nelson with Rhonda Posey, Peter Zika, Talitha Derksen 2012-6-21 2012 -059 Siskiyou South Fork Willow Creek, foothills of N side Scott Mountain. Rd. 42N19; ca. 2 miles S of Gazelle-Callahan Hwy. Comment
  CHSC59665  Lomatium macrocarpum K. Bridwell 1978-4-14 73 B Siskiyou Roadside at Weed Airport, ca. 200 yds e Hwy 5, ca. 5 mi n of Weed. 762 Comment
  HSC43828  Lomatium macrocarpum Maralyn O'Meara 1974-5-27 484 Siskiyou Along FS Rd. 47N03 1646 Comment
  RSA715497  Lomatium macrocarpum L. Ahart 2005-6-9 12032 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  UC1037451  Lomatium macrocarpum Milo S. Baker 1955-6-25 13070 Siskiyou Hwy. 99 2 mi. s. Gazelle 914 Comment
  HSC96814  Lomatium macrocarpum S. Lyon, J. McIntire 2006-6-25 30 Siskiyou 200 ft. W of intersection of FS 39N14 and 39N04 1616 Comment
  OBI81750  Lomatium macrocarpum Tracey Call, Viola Call 1964-6-22 2279 Siskiyou Montague Rd. 5 miles west of Mt. Hebron town Comment
  RSA452143  Lomatium macrocarpum M. B. Dunkle 1945-1 9341 Siskiyou Klamath National Forest, Marble Mountains. 2439 Comment
  HSC36167  Lomatium triternatum var. macrocarpum J. P. Smith 1974-5-27 7618 Siskiyou Along FS Rd. 47N03 1280 Comment
  SEINET11131417  Lomatium triternatum var. triternatum G. D. Butler 1910-5-21 1380 Siskiyou Klamath Hills Comment
  UC673276  Lomatium vaginatum Lincoln Constance and Reed C. Rollins 1942-5-14 2924 Siskiyou 4 mi. w. Yreka (rd. to Walker Post Office); Klamath-Siskiyou Region 1219 Comment
  UC698032  Lomatium vaginatum J. F. Gates Clarke 1944-4-7 Siskiyou near Hornbrook (E side of Hwy 99, one mi S of California - Oregon border) Comment
  JEPS80599  Lonicera conjugialis Gilbert Muth 1966-7-25 455 Siskiyou Marble Rim, near top of ridge Marble Mt. Wilderness Area 2042 Comment
  CAS-BOT-BC240639  Lonicera hispidula P. C. Everett; E. K. Balls 1959-10-24 23943 Siskiyou 3 mi. sw. from Red Bank F.S. Camp along road from Sawyers Bar to Somesbar [Somes Bar] 518 Comment
  RSA537376  Lonicera hispidula var. vacillans W. Wisura, J. Romero 1991-10-17 4597 Siskiyou 1.5 mi up Sugar Creek Rd, N of Callahan. Comment
  RSA50164  Lonicera interrupta E. K. Balls 1949-7-10 13956 Siskiyou 5 miles from Sawyer's Bar on road to Cecilville. Comment
  SEINET3557097 Image available Lotus crassifolius R. Tofsrud, J. M. Tucker 1948-8-2 1754 Siskiyou outskirts of McCloud Comment
  RSA406113  Lotus crassifolius M. B. Dunkle 1944-7-3 9064 Siskiyou Siskiyou National Park. 1677 Comment
  POM27062  Lotus douglasii Geo. D. Butler 1910-5-31 1441 Siskiyou Near Yreka 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
  CDA27281  Lotus nevadensis var. nevadensis T. C. Fuller 1960-6-29 4642 Siskiyou Scott Mountain Road, 4.2 miles south of Callahan. 0 Comment
  RSA211154  Lotus unifoliolatus William J. Ferlatte 1967-7-9 682 Siskiyou Kidd Creek Trail, densely wooded canyon; Trinity Alps. 1677 Comment
  UC1360423  Luetkea pectinata Jack Major, M. Fleschner, and R. Pemble 1966-9-5 Siskiyou e of Marble Mountain (along trail from Marble Mountain to Sky High Lake); Marble Mountains 1975 Comment
  UCR80256  Luetkea pectinata L. C. Wheeler 1934-8-14 3121 Siskiyou Siskiyou Mtns., 1 mile west of White Mt. 1921 Comment
  HSC57385  Luina hypoleuca Overton, Butler 1979-7-26 10112 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  SD87754  Luina hypoleuca Frank W. Peirson 1926-7-10 7021 Siskiyou Yreka; mountain range west of Yreka 1370 Comment
  RSA119497  Lupinus C. P. Smith 1947-5-13 47274 Siskiyou 7.4 miles east of Weed. Highway 97. Comment
  JEPS25635  Lupinus albicaulis var. shastensis Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7274 Siskiyou Poker Flat 1536 Comment
  JEPS95095  Lupinus angustiflorus Vernon Oswald and Lowell Ahart 1997-7-28 8796 Siskiyou Bullseye Lake se of Medicine Lake; Bullseye Lake 2057 Comment
  SEINET10484719  Lupinus arbustus subsp. silvicola Donald E. Bright 1962-6-14 Bright 288 Siskiyou Roadside, 2 miles n of weed. Also on sheet acc.# 161224, Rec.# 28189 Comment
  SDSU4651  Lupinus argenteus D. F. Howe 1964-8-5 3936 Siskiyou 3 miles north of Dorris on # 97. Comment
  RSA582456  Lupinus aridus Louis C. Wheeler 1935-6-13 3582 Siskiyou N side Scott River, Scott Bar Mts. 823 Comment
  UC147327  Lupinus breweri Harley P. Chandler June, 1901 1590 Siskiyou near Marble Mountain; North Coast Ranges, near Marble Mountain 1981 Comment
  UCD107375  Lupinus breweri A. H. Murphy 1953-7-30 KNF 17 Siskiyou Coffee Creek, N. Fork. 2133 Comment
  CAS-BOT-BC196693  Lupinus breweri var. breweri Carl B. Wolf 1934-7-5 5961 Siskiyou Siskiyou Mts., 3 6/10 mi. from Dry Lake Lookout on road to Horse Creek 1981 Comment
  CAS-BOT-BC196694  Lupinus breweri var. breweri Marion Ownbey; Ruth P. Ownbey 1938-7-20 1763 Siskiyou Near Dry Lake Lookout, summit of the Siskiyou Mountains Comment
  HSC42168  Lupinus croceus J. Mastrogiuseppe 1974-9-2 168 Siskiyou W slope of ridge of Red Rock Mtn. 2195 Comment
  NY15837  Lupinus croceus H. E. Brown 1897-6-11 392 Siskiyou North side of Mt. Shasta 1524.0 Comment
  RSA119375  Lupinus croceus S. S. Tillett 1956-7-9 634 Siskiyou Scott Mtn, Siskiyou Trinity County line, 8 miles SE of Callahan. 2073 Comment
  HSC23655  Lupinus croceus J. O. Sawyer 1969-6-12 906 Siskiyou On C.C.C. Rd. N of Wildcat Creek 1463 Comment
  CAS-BOT-BC202055  Lupinus lapidicola Philip A. Munz 1952-7-2 17877 Siskiyou Road to Baldy Mt. n.w. of Happy Camp, Siskiyou Mts. 1493 Comment
  HSC2367  Lupinus latifolius William J. Ferlatte 1966-8-19 444 Siskiyou Head of Kidd Creek 2134 Comment
  POM229175  Lupinus latifolius subsp. viridifolius Louis C. Wheeler 1935-6-13 3573 Siskiyou Shackleford Creek, Marble Mts. 976 Comment
  UC144499  Lupinus latifolius var. viridifolius C. F. Baker 1903-8-13 3887 Siskiyou Sisson Comment
  UC201974  Lupinus latifolius var. viridifolius Annie M. Alexander, Louise Kellogg 1911-7-16 245 Siskiyou S Fk Salmon R South Fork Salmon River; S Fk Salmon R 1524 Comment
  JEPS83245  Lupinus lepidus var. sellulus W. L. Jepson 1940-6-23 20003 Siskiyou n Mt. Shasta (Andesite Station); n of Mt. Shasta, Andesite Station 975 Comment
  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
  JEPS83250  Lupinus luteolus W. L. Jepson 1940-6-22 19964 Siskiyou 1 mi e Hilt (Hilt to Hawkinsville, Quarantine Station); e of Hilt 914 Comment
  SEINET13761751  Lupinus luteolus R. R. Halse 2016-5-29 9715 Siskiyou Along Hilt Road, c 2.1 miles NW of Hilt on the OR/CA state line. 876 Comment
  RSA52463  Lupinus nanus var. apricus Dorothy Parker 1948-4-21 s.n. Siskiyou Callahan 952 Comment
  UC1506172  Lupinus obtusilobus Robert T. Clausen and Harold Trapido 1940-7-27 4969 Siskiyou 5 mi nne Mt. Shasta summit (w side of Mountainhouse Creek); Cascade Mtns, Sacramento River Basin, Mt. Shasta 1981 Comment
  UC618892  Lupinus obtusilobus W. Bridge Cooke 1938-8-21 11545 Siskiyou Horse Camp Flats Mount Shasta Comment
  UC146923  Lupinus polyphyllus var. polyphyllus Harley P. Chandler June, 1901 1586 Siskiyou near Marble Mountain (North Coast Ranges); , near Marble Mountain 1828 Comment
  UC609367  Lupinus polyphyllus var. polyphyllus Eleanor Burks Hart 1938-8-16 950 Siskiyou stream bank above Lower Wright Lake (Lower Wright Lake) 2103 Comment
  RSA263039  Lupinus sellulus subsp. sellulus David B. Dunn, Paul Gallian 1971-6-9 17931 Siskiyou 5 mi. S of Macdoel, on U. S. Hwy 97. 1159 Comment
  POM10805  Lupinus subvexus var. transmontanus E. B. Copeland 1903-6-2 3537 Siskiyou Klamathon Comment
  NY16053  Lupinus violaceus A. A. Heller 1905-6-15 8037 Siskiyou Near Sisson Comment
  CAS-BOT-BC7548  Lupinus viridifolius Amos Arthur Heller 1905-6-1 7928 Siskiyou Between Dunsmuir and Upper Soda Spring Comment
  RSA299464  Luzula comosa var. laxa J. P. Smith 1973-5-5 6413 Siskiyou Along Cook and Green Pass road. Comment
  UCD77848  Luzula divaricata Robert E. Preston 2001-6-23 1593 b Siskiyou Klamath National Forest, e ridge of Rainbow Mtn, 2072 Comment
  RSA142624  Machaeranthera canescens var. shastensis P. A. Munz 1960-8-22 24183 Siskiyou Panther Meadows, Mt. Shasta 2530 Comment
  SD101077  Madia elegans Darley F. Howe 1977-1 Siskiyou 7.7 miles south of Etna 1000 Comment
  RSA13387  Madia elegans subsp. densifolia L. C. Wheeler 1934-9-18 3280 Siskiyou Klamath River near mouth Beaver Creek, Siskiyou Mts. 549 Comment
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Feb 2 2009
  CAS-BOT-BC344540  Madia exigua Lewis S. Rose 1945-6-18 45066 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC344547  Madia exigua Louis C. Wheeler 1934-6-2 2607 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  CAS-BOT-BC343432  Madia gracilis John Thomas Howell 1937-7-22 13320 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  HSC161  Madia gracilis William J. Ferlatte 1966-8-3 248 Siskiyou Big Flat, near public campground 1524 Comment
  UC618807  Madia gracilis unknown 1938-8-5 11440 Siskiyou MacBride Springs, Bear Springs; Mount Shasta 1524 Comment
  RSA237534  Madia minima Frederick W. Oettinger 1969-7-11 973 Siskiyou Northwest of Hancock Lake outlet. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  RSA96734  Mahonia aquifolium P. C. Everett, E. K. Balls 1954-10-13 20285 Siskiyou Indian Creek Road, 8 mi. n.w. of Happy Camp, Hwy 96. 457 Comment
  RSA96933  Mahonia aquifolium P. C. Everett, E. K. Balls 1954-10-12 20271 Siskiyou Beaver Creek from Dutch Creek south 0.5 mi. north of Walker. 549 Comment
  RSA78676  Mahonia nervosa P. A. Munz 1952-7-1 17868 Siskiyou Baldy Mt. road n.w. of Happy Valley, Siskiyou Mts. 1220 Comment
  RSA105353  Maianthemum racemosum subsp. amplexicaule G. D. Barbe 1955-7-6 136 Siskiyou Along northeast shore of Taylor Lake, Salmon Mtns. 1951 Comment
  HSC96417  Maianthemum stellatum Gordon Leppig, J. Kalt 1996-7-9 374 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  CAS-BOT-BC347358  Malacothrix floccifera Geo. D. Butler 1910-6-4 1491 Siskiyou Shackleford Creek Comment
  HSC27467  Malacothrix floccifera J. P. Smith, J. O. Sawyer 1972-5-28 5379 Siskiyou Cecilville-Forks of Salmon 762 Comment
  CAS-BOT-BC67849  Marsilea vestita Louis C. Wheeler 1934-10-14 3323 Siskiyou Siskiyou Mountains - Shasta River 2 mi. below Yreka Creek - Mt. Diablo Mer. 670 Comment
  RSA416000  Melica M. B. Dunkle 1945-7-24 9248 Siskiyou Klamath National Forest; Marble Mountains; Whiskey Camp. Comment
  UC593537  Melica fugax E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2007 Siskiyou about 1.5 mi w Mt. Shasta City (e and ne slope of spur of Rainbow Ridge, above Sulloway Creek); Rainbow Ridge 1188 Comment
  RSA60493  Melilotus albus John H. Thomas 1949-6-16 940 Siskiyou 10 miles north of Gazelle. Comment
  CHSC91344  Melilotus indicus Lowell Ahart; John Dittes 2005-6-9 12011 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
  JEPS63468  Mentha canadensis Geo. D. Butler 1908-8-12 170 Siskiyou L. Eastlick's ranch Yreka (Yreka) Comment
  SBBG14878  Mentzelia A. I. Richardson 1961-6-8 16 Siskiyou Big Springs Rd N of jct with Hwy 97 914 Comment
  UC1368674  Mentzelia albicaulis W. B. and V. G. Cooke 1968-7-1 39231 Siskiyou n side Mt. Shasta (Along Andesite Road) 1524 Comment
  HSC46143  Mentzelia dispersa J. P. Smith, Steve Selva 1970-8-8 4570 Siskiyou Lava Beds National Monument Comment
  UC725962  Mentzelia dispersa A. A. Heller 1925-6-25 13896 Siskiyou 3 mi n Mt. Shasta (State Highway) Comment
  RSA59505  Mentzelia veatchiana E. K. Balls 1950-5-16 14709 Siskiyou Caldwell Butte, east slope, near base. Lava Beds National Moneument Comment
  HSC22301  Mertensia oblongifolia var. amoena J. O. Sawyer 1969-6-12 883 Siskiyou Ridge SE of Eaton Lake 2226 Comment
  UC1408868 Image available Micranthes marshallii Frederick W. Oettinger 1969-7-16 651 Siskiyou Base of precipice south of of Abbott's Lake; High Lake Basins in vicinity of English Peak; Marble Mountain Wilderness Area Comment
  CAS-BOT-BC432853  Micranthes tolmiei Wm. Bridge Cooke 1938-8-22 11556 Siskiyou Mount Shasta. West slope of Shastina. Comment
  CAS-BOT-BC432854  Micranthes tolmiei Lester Rowntree 1939-7-31 s.n. Siskiyou Caribou Lakes Comment
  CAS-BOT-BC322662  Microseris laciniata K. L. Chambers 1969-5-26 2933 Siskiyou Salmon River, between Somes Bar and Forks of the Salmon, 1.3 miles east of Lewis Creek Comment
  CHSC71283  Microseris nutans Vernon H. Oswald; Lowell Ahart 1998-6-11 9198 Siskiyou Dry Lake on the south side of Tennant Rd. ca. 9 air mi east of Grass Lake, ca. 22 air mi northeast of Weed. In meadow bordering the lake. 1402 Comment
  HSC68499  Microseris nutans Maralyn A. Renner 1980-6-22 901 Siskiyou Slopes N of Little Shasta River 1372 Comment
  HSC36931  Microsteris gracilis J. P. Smith 1974-5-26 7559 Siskiyou Along FS Rd. 47N03 1524 Comment
  HSC39747  Microsteris gracilis J. O. Sawyer 1970-4-4 2088 Siskiyou Along Sugar Creek 823 Comment
  JEPS74149  Mimulus breweri J. M. Tucker 1974-7-28 4315 Siskiyou Haypress Meadow Marble Mountain Wilderness Area 1463 Comment
  RSA408133  Mimulus breweri Louis C. Wheeler 1935-6-27 3595 Siskiyou Etna Creek, Marble Mtns. 1524 Comment
  HSC29404  Mimulus guttatus Frederick W. Oettinger 1969-8-22 1496 Siskiyou Salmon Mountains, Horse Range Lake, S of Horse's Hole Pond. 1875 Comment
  SBBG25929  Mimulus guttatus D. Myrick 1966-8-9 1514 Siskiyou Adams Crk above Mountain Meadow Ranch, Big Flat, Coffee Crk; Trinity Alps 1828 Comment
  RSA211429  Mimulus guttatus William J. Ferlatte 1966-8-17 401 Siskiyou Northwest side of Caribou Mountain. 1982 Comment
  JEPS8211  Mimulus layneae Willis L. Jepson 1894-8-9 71 m Siskiyou betweeen Sims and Sisson; Upper Sacramento Region Comment
  UC164473  Mimulus layneae Geo. D. Butler 1910-6-19 1585 Siskiyou Goosenest foothills 1524 Comment
  RSA237573  Mimulus moschatus Frederick W. Oettinger 1968-8-11 478 Siskiyou Just below spring at Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  HSC39821  Mimulus moschatus var. moniliformis J. O. Sawyer 1969-8-1 1661 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC96658  Mimulus nanus Thomas W. Nelson, Susan Erwin 2004-6-3 9220 Siskiyou Along Hwy. 3 at mile post 84.14, .3 mi. from Scott Mountain Pass 1552 Comment
  SFV8682  Mimulus nanus var. nanus J. M. Tucker 1963-7-7 3724 Siskiyou Marble Mountain Wilderness area. In vicinity of Paradise Lake at base of Kings Castle on the east side. Open, rocky, east facing slope. 1982 Comment
  HSC91002  Mimulus primuloides var. linearifolius Jennifer Whipple 1976-7-8 1338 Siskiyou N slope of Mt. Eddy 2439 Comment
  UC618709  Mimulus tilingii W. Bridge Cooke 1938-8-18 11483 Siskiyou above Horse Camp (on Summit Trail); Mount Shasta, Horse Camp Springs Comment
  CHSC57425  Minuartia douglasii L. P. Janeway 1984-6-22 868 Siskiyou Ca 1 mi north of Scott Summit on Road 40N08. 1645 Comment
  UC166123  Minuartia douglasii Geo. D. Butler 1909-5-2 660 Siskiyou near Yreka Comment
  CDA24063  Minuartia douglasii G. D. Barbe, J. T. Howell, T. C. Fuller 1980-4-29 2645 Siskiyou Schoolhouse Hill, summit of Gazelle/Callahan Road, 11.3 km east of Callahan. Comment
  JEPS74474  Minuartia nuttallii subsp. gregaria W. J. Ferlatte 1966-8-4 304 Siskiyou Dorleska summit Trinity Alps 2133 Comment
  POM208272  Minuartia nuttallii subsp. gregaria L. C. Wheeler 1934-6-29 2828 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts. 1067 Comment
  POM258762  Minuartia nuttallii subsp. gregaria C. L. Hitchcock, J. S. Martin 1939-7-7 5279 Siskiyou 0.5 mile below Sanger Peak Lookout. 1524 Comment
  CAS-BOT-BC181114  Minuartia nuttallii var. gregaria Peter H. Raven 1956-9-4 10407 Siskiyou S. side of Mt. Eddy 2682 Comment
  CAS-BOT-BC181113  Minuartia nuttallii var. gregaria Lillian Mott 1976-7-18 53 LM76 Siskiyou Along road to Lily Pad Lake west of Cook and Green Pass 1463 Comment
  HSC90442  Minuartia stolonifera Thomas W. Nelson, Jane Nelson 1985-6-19 7839 Siskiyou Along S side of Hwy. 3, 3.1 mi. N of Scott Mtn. Pass 1220 Comment
  SEINET3860469  Minuartia stolonifera Thomas W. Nelson, Jane P. Nelson 1985-6-19 7839 Siskiyou Along S side of State Route 3, 3.1 mi N of Scott Mountain Pass.; 0 1219 Comment
  UC796514  Mirabilis greenei Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11864 Siskiyou foot of Gazelle Mt grade Willow Creek Comment
  HSC61136  Mitella breweri Al Hobart 1968-6-20 Siskiyou El Capitan. Comment
  CAS-BOT-BC433017  Mitella diversifolia D. E. Breedlove 1962-6-11 3350 Siskiyou Bank of Canyon Creek, about 20 miles west of Fort Jones; Marble Mountains 914 Comment
  HSC20240  Mitella pentandra Dorothy Parker 1949-7-10 333 Siskiyou Near Paradise Lake, Salmon Mountain 1982 Comment
  HSC86538  Mitella pentandra D. K. Imper Jun 1987 Siskiyou 8 mi. E of the town of Mt. Shasta, Squaw Valley, E of Red Butte along Squaw Creek 1982 Comment
  UC1222382  Mitella trifida Joseph P. Tracy 1951-6-16 19492 Siskiyou Summit of Siskiyous; at crossing of Takilma-Happy Camp Rd Comment
  RSA468285  Mitella trifida M. B. Dunkle 1944-6-26 9054 Siskiyou Deer Creek. 1829 Comment
  HSC75247  Moehringia macrophylla J. P. Smith 1973-5-5 6412 Siskiyou Along Cook and Green Pass Rd. Comment
  UC1053436  Moehringia macrophylla Rimo Bacigalupi and Arthur Holmgren 1950-4-24 3138 Siskiyou opposite town Dunsmuir (on e side of canyon, cliffs along Sacramento River); cliffs along Sacramento River, e side of canyon Comment
  RSA0010760  Mollugo verticillata Louis C. Wheeler 1935-7-20 3676 Siskiyou Scott River 1.5 mi. W Fort Jones, Scott Valley. 823 Comment
  HSC77059  Monardella odoratissima K. T. Stillman 1976-8-7 193 Siskiyou Marble Mtn. Wilderness Area 1951 Comment
  UCD77872  Monardella odoratissima Robert E. Preston 2001-6-23 1567 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, at Hemlock Lake, T42N R1W se 1/4 of se 1/4 Section 14 1889 Comment
  CAS-BOT-BC222027  Monardella odoratissima subsp. glauca Marion Ownbey; Fred G. Meyer 1940-7-5 2182 Siskiyou On East side of Mt. Shasta Comment
  CAS-BOT-BC222033  Monardella odoratissima subsp. glauca A. A. Heller 1905-6-13 8018 Siskiyou In the gorge of the Sacramento above Shasta Springs Comment
  CAS-BOT-BC222034  Monardella odoratissima subsp. glauca Peter H. Raven 1956-9-4 10379 Siskiyou Ridges s. of Mt. Eddy 2286 Comment
  JEPS63390  Monardella odoratissima subsp. pallida Geo. D. Butler 1908-8-3 167 Siskiyou near Log Lake; Shackelford Creek 1524 Comment
  LA54285  Monardella odoratissima subsp. pallida Carl Epling; 1940-7-26 15376 Siskiyou Mount Shasta, Diller Canyon Comment
  UC60931  Monardella odoratissima subsp. pallida Geo. B. Grant September, 1902 5208 Siskiyou Dunsmuir Mount Shasta 609 Comment
  CAS-BOT-BC222175  Monardella odoratissima subsp. pallida Doris K. Kildale 1928-8-19 6529 Siskiyou On trail from English Lake to Hancock Lake 2133 Comment
  CDA40783  Monardella sheltonii J. Anslem 1958-7-1 670 -58 Siskiyou Scott s Bar. 0 Comment
  HSC27667  Monardella sheltonii Carl W. Mize 1972-6-21 58 Siskiyou 0.25 mi. above rd. on WSW slope 274 Comment
  UC82764  Montia chamissoi Mrs. R. M. Austin Jun 1894 273 Siskiyou Pot Hole Spring Comment
  RSA29914  Montia fontana L. C. Wheeler 1935-4-13 3415 Siskiyou Siskiyou Mountains: Seiad Creek, Klamath River. 426 Comment
  UC1733723  Montia linearis Kay H. Beach, Frank Gould 1940-5-15 627 Siskiyou Bull Meadows Comment
  UC375331  Montia linearis Geo. D. Butler 1909-3-14 680 Siskiyou near Yreka Comment
  CAS-BOT-BC94428  Montia parviflora R. C. Wenk 2005-7-16 258 Siskiyou Trinity Alps, South Fork of the Salmon River. South end of Big Flat Meadow 1499 Comment
  HSC36421  Montia parvifolia J. O. Sawyer 1968-7-10 476 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 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
  SEINET200836 Image available Muhlenbergia andina Joseph P. Tracy 1939-9-2 16470 Siskiyou Windy Camp on the old Gasquet Toll Road west of Patrick Creek. Comment
  RSA654054  Muhlenbergia andina Beecher Crampton 1956-8-21 3837 Siskiyou Lower slopes of White Ridge, canyon of the South Fork of the Sacramento River. Comment
  UC1059006  Muhlenbergia andina Beecher Crampton 1956-8-21 3837 Siskiyou banks of mt. stream on lower slopes White Ridge; Canyon of the South Fork of the Sacramento River 1371 Comment
  POM198620  Muhlenbergia asperifolia Geo D. Butler 1910-8-21 1848 Siskiyou Shasta Valley Comment
  CAS-BOT-BC267052  Muhlenbergia filiformis W. R. Dudley 1899-8-15 s.n. Siskiyou Near Bartletts Comment
  CHSC61581  Muhlenbergia filiformis L. P. Janeway 1983-9-11 663 Siskiyou Siskiyou Mountains; at Poker Flat, a meadow. Along the dirt road. 1524 Comment
  HSC22448  Muhlenbergia filiformis J. O. Sawyer 1969-8-18 1978 Siskiyou S Sugar Lake Creek 1829 Comment
  UCD86677  Muhlenbergia filiformis A. H. Murphy 1953-7-29 s.n. Siskiyou Steavale Canyon, Klamath R. north fork. 1524 Comment
  RSA256592  Myosotis discolor J. P. Smith 1974-5-25 7478 Siskiyou Along road 8, 4.7 mi. west of its junction with State Route 3. 1159 Comment
  CHSC106265  Myosotis laxa Lowell Ahart; John Dittes 2010-7-30 16944 Siskiyou On the north side of a water ditch, at the edge of the dry upland, about 80 yards west of the pipe across the Shasta River, about 200 yards east of the East Louie Road Bridge, about 30 yards south of the Shasta River, 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
  CHSC71321  Myosurus sessilis Vernon H. Oswald; Lowell Ahart 1998-6-11 9222 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
  JEPS93855  Myosurus sessilis Vernon H. Oswald and Lowell Ahart 1998-6-11 9222 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97); Butte Valley National Grassland 1295 Comment
  RSA795334  Myriophyllum sibiricum L. Ahart, John Dittes 2010-7-30 16941 Siskiyou Along the west edge of the Shasta River, about 30 yards northwest of 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
  SEINET209083 Image available Myriophyllum sibiricum L. C. Wheeler 1935-6-23 3591 Siskiyou Shasta River 2 mi NW Montague. 762 Comment
  HSC30468  Najas flexilis Frederick W. Oettinger 1969-8-23 1511 Siskiyou Salmon Mtns., Smith Lake. 1418 Comment
  UC618615  Nama lobbii W. Bridge Cooke 1938-6-17 11034 Siskiyou Sisson Southern trail , Sisson Southern Trail (Mount Shasta) 1371 Comment
  CAS-BOT-BC60323  Nasturtium officinale William Bridge Cooke 1940-7-12 15321 Siskiyou Near the Box Canyon of the Sacramento near Mount Shasta City. 914 Comment
  RSA238005  Navarretia capillaris Frederick W. Oettinger, R. F. Thorne 1969-8-8 1306 Siskiyou Near English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC1094396  Navarretia intertexta Rimo C. Bacigalupi with Galen Smith 1957-6-26 5934 Siskiyou ca 2 mi n Weed (along Highway 99) 1036 Comment
  UC163989  Navarretia intertexta Geo. D. Butler 1909-6-5 998 Siskiyou near Yreka Comment
  JEPS25653  Navarretia linearifolia subsp. linearifolia Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7295 Siskiyou about 4 mi nne Preston Peak (just e of Del Norte County line, Twin Valley, watershed of Indian Creek); Siskiyou Mts., Indian Creek, Twin Valley 1493 Comment
  UC538023  Navarretia linearifolia subsp. linearifolia Louis C. Wheeler 1934-6-22 2771 Siskiyou Cottonwood Creek Siskiyou Mts., Cottonwood Creek 1005 Comment
  UC879890  Navarretia linearifolia subsp. linearifolia A. A. Heller 1915-7-18 12119 Siskiyou Metcalf's RAnch ne base Mt. Eddy, Metcalf's Ranch 1188 Comment
  UC726906  Nemophila parviflora var. austiniae A. A. Heller 1919-6-20 13257 Siskiyou Metcalf's Comment
  HSC34004  Noccaea fendleri subsp. glauca J. P. Smith 1974-5-25 7503 Siskiyou Along Rd. 8, 2.4 mi. W of its junction with Hwy. 3 976 Comment
  HSC65269  Noccaea fendleri subsp. glauca Rich White 1978-7-6 249 Siskiyou Pond above Elk Hole 1524 Comment
  RSA184704  Nothocalais alpestris Gilbert Muth 1966-7-14 389 Siskiyou Flat above Marble Valley, Marble Gap Trail, Marble Mountains. 1829 Comment
  CAS-BOT-BC210244  Nothochelone nemorosa Dana York 2011-9-9 3101 Siskiyou Marble Mountain Wilderness. Klamath National Forest, boundary of Marble Mountain Wilderness adjacent to Isinglass Lake 1990 Comment
  HSC19125  Nothochelone nemorosa J. O. Sawyer 1969-8-18 1979 Siskiyou S of S Sugar Lake 2104 Comment
  HSC69388  Nothochelone nemorosa Maralyn A. Renner 1980-8-31 2663 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  HSC99297  Nothochelone nemorosa G. L. Clifton, Terry Griswold 1979-6-28 6113 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  RSA14377  Nothochelone nemorosa Elmer I. Applegate 1923-9-7 3959 Siskiyou Dry Lake Lookout Station; Doggett Ridge, Siskiyou Mountains, Klamath River watershed. Comment
  UC1409428  Nothochelone nemorosa Frederick W. Oettinger 1968-8-5 408 Siskiyou n of English Peak leading down to Upper English Lake (High Lake Basins, Salmon Mountains, Marble Mountain Wilderness Area); High Lake Basins, Salmon Mts., Marble Mountain Wilderness Ar 1950 Comment
  JEPS11223  Nothochelone nemorosa Joseph P. Tracy 1935-8-1 14420 Siskiyou 1 mi ne of Summit Mine (3 mi se of Salmon Summit, Head of Knownothing Creek); Knownothing Creek 1767 Comment
  RSA96849  Nothochelone nemorosa Percy C. Everett, E. K. Balls 1954-10-13 20290 Siskiyou Indian Creek Road to Obrien, 20.5 mi NW of Hwy 96 at Happy Camp. 1524 Comment
  HSC29349  Nuphar polysepala Frederick W. Oettinger, R. F. Thorne 1969-8-7 1273 Siskiyou Marble Mtns. Wilderness Area, E side of English Lake 1753 Comment
  JEPS107393  Opuntia fragilis Lowell Ahart, John Dittes 2005-6-10 12101 Siskiyou Hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  CAS-BOT-BC355599  Oreostemma alpigenum var. andersonii David D. Keck 1949-7-20 6362 Siskiyou Meadow at Scott Mountain summit, at Trinity County line 1633 Comment
  HSC62121  Oreostemma alpigenum var. andersonii Al Hobart 13 Aug [year missing] Siskiyou Preston Peak Comment
  CAS-BOT-BC500330  Orobanche uniflora subsp. occidentalis L. E. Smith 1914-4-20 638 Siskiyou Yreka Comment
  HSC19205  Orthilia secunda J. O. Sawyer 1968-7-10 477 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  HSC19210  Orthilia secunda J. O. Sawyer 1968-6-25 316 Siskiyou Along Horse Range Creek 1829 Comment
  HSC29321  Orthilia secunda Frederick W. Oettinger 1967-8-3 233 Siskiyou Marble Mtn. Wilderness Area, N facing wooded slope leading down from Little Hancock Lake to Hancock Lake 1982 Comment
  HSC803  Orthilia secunda William J. Ferlatte 1967-7-25 714 Siskiyou N side of Caribou Mtn. 1982 Comment
  UC1190162  Orthilia secunda Ira L. Wiggins 1955-7-24 13495 Siskiyou Ridge between upper reaches of China & Blind Horse Creeks 1645 Comment
  UCR101272  Orthilia secunda L. C. Wheeler 1959-7-25 7594 Siskiyou Marble Mountains, Camp Three, Rogers Creek 329 Comment
  RSA0083196  Orthilia secunda William J. Ferlatte 1966-8-17 394 Siskiyou Caribou Basin; Trinity Alps. 1982 Comment
  SEINET6976054  Orthilia secunda M. K. Solecki, J. B. Taft 1986-9-13 2159 Siskiyou Along Canyon Creek Trail between trailhead at Lovers Camp and first junction, Marble Mountain Wilderness. Comment
  HSC167  Orthocarpus cuspidatus subsp. copelandii William J. Ferlatte 1966-8-2 238 Siskiyou Big Flat, wooded area near public camp 1524 Comment
  UC2026467  Orthocarpus cuspidatus subsp. copelandii Louis C. Wheeler 1958-8-21 7412 Siskiyou Siskiyou Mountains. Lily Pad Lake. Comment
  POM44322  Orthocarpus imbricatus Edward Palmer 1892-7-13 2435 Siskiyou Mt. Shasta and vicinity. Comment
  HSC4882  Osmorhiza occidentalis J. O. Sawyer 1968-7-23 617 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  HSC69284  Osmorhiza occidentalis Maralyn A. Renner 1980-7-24 1953 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  CAS-BOT-BC413219  Oxyria digyna Annie M. Alexander; Louise Kellogg 1949-7-22 5836 Siskiyou Trail to Kings Castle. Paradise Lake, Marble Mountains 1920 Comment
  HSC68993  Packera macounii Maralyn A. Renner 1980-7-28 2168 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  CAS-BOT-BC317139  Packera streptanthifolia var. streptanthifolia Alice Eastwood; John Thomas Howell 1936-6-13 2750 Siskiyou 6 miles n. of Weed Comment
  RSA155856  Paeonia brownii Peter H. Raven 1962-5-30 17993 Siskiyou US Hwy 97, 8.3 miles north of Weed. Comment
  SD53020  Paeonia brownii Peter H. Raven 1962-5-30 17993 Siskiyou U. S. Highway 97, 8.3 miles north of Weed. Comment
  UCD88591  Panicum acuminatum var. fasciculatum R. Tofsrud 1949-8-3 s.n. Siskiyou Klamath River, 10 miles east of Happy Camp. Comment
  CAS-BOT-BC94880  Parnassia californica R. C. Wenk 2006-9-3 564 Siskiyou Coffee Creek Road, Big Flat Meadow, S end of meadow above S Fork of Salmon River 1508 Comment
  RSA211096  Parnassia cirrata var. intermedia William J. Ferlatte 1967-8-20 1060 Siskiyou A flora of the Trinity Alps: Caribou Basin, Sawtooth Ridge; Steep north facing slope. 2043 Comment
  CAS-BOT-BC175608  Parnassia palustris Louis C. Wheeler 1934-8-14 3127 Siskiyou Klamath National Forest. N. side White Mt. 1767 Comment
  CAS-BOT-BC175615  Parnassia palustris Doris K. Kildale 1928-8-19 6518 Siskiyou English head, head of North Fork of Salmon River Comment
  CAS-BOT-BC202853  Paxistima myrsinites Doris K. Kildale 1929-7-21 8740 Siskiyou Elk Lick, south fork Indian Creek 1219 Comment
  HSC4834  Paxistima myrsinites J. O. Sawyer 1968-6-25 329 Siskiyou 1646 Comment
  POM321296  Paxistima myrsinites K. L. Chambers 1962-4-28 2212 Siskiyou Hwy 99, summit of Black Butte Pass, just W of Mt. Shasta and S of Weed. 1195 Comment
  SBBG4075  Paxistima myrsinites H. and M. Dearing 1939-7-2 3802 Siskiyou Salmon Mtn 1828 Comment
  POM72141  Pectocarya pusilla Geo. D. Butler 1910-4-21 1215 Siskiyou Oro Fino Comment
  UC618812  Pectocarya pusilla Ivan Johnston 1938-7-1 11130 Siskiyou above Bear Springs; Mount Shasta 1676 Comment
  CAS-BOT-BC266650  Pedicularis bracteosa var. flavida Annie M. Alexander; Louise Kellogg 1949-7-19 5810 Siskiyou Edge of creek, Paradise Lake, Marble Mountains 1920 Comment
  CAS-BOT-BC266657  Pedicularis contorta John Thomas Howell 1937-7-24 13405 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  UC1190282  Pedicularis contorta Ira L. Wiggins 1955-7-27 13517 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area 2042 Comment
  RSA183697  Pedicularis flavida Gilbert Muth 1965-8-6 180 Siskiyou Marble Mountains; backside of Black Mountain Comment
  JEPS82130  Pedicularis howellii Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7270 Siskiyou Poker Flat 1536 Comment
  IRVC4790  Pellaea brachyptera William B. Cooke 1941-9-5 16275 Siskiyou MacBride Springs Mt. Shasta Comment
  HSC26148  Pellaea breweri J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5689 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  UC371158  Pellaea breweri G. D. Butler 1908-8-8 240 Siskiyou Marble Valley 1676 Comment
  SBBG22539  Penstemon anguineus C. B. Hardham 1961-6-30 7999 Siskiyou near Mud Spring Comment
  SJSU6074  Penstemon anguineus R. W. Trivelpiece 1971-7-27 62 Siskiyou Blue Ridge between Sawyers Bar & Cecilville, SW of Eddy Gulch Lookout, Salmon R Mts 1371 Comment
  UCD67376  Penstemon azureus Lynette Renouf 1992-5-31 25 Siskiyou Shasta Trinity National Forest, SW of Mt. Shasta, along south fork Sacramento River. Comment
  SEINET3160254  Penstemon confertus G. D. Butler 1910-7-10 1739 Siskiyou Shackleford Creek upper Camphill Lake 1372 Comment
  CAS-BOT-BC265363  Penstemon davidsonii var. davidsonii Alice Eastwood 1912-9-1 2057 Siskiyou Mount Shasta Comment
  CAS-BOT-BC265364  Penstemon davidsonii var. davidsonii H. M. Hall 1902-9-7 s.n. Siskiyou Horse Camp, Mount Shasta Comment
  HSC22163  Penstemon deustus J. O. Sawyer 1969-7-2 1014 Siskiyou Slope above Big Blue Lake 2256 Comment
  SBBG16532  Penstemon deustus D. Myrick 1961-6-19 262 Siskiyou rd to Mt Shasta Ski Bowl 1371 Comment
  CHSC96032  Penstemon deustus var. suffrutescens L. P. Janeway 2006-7-3 8767 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead Road about 1.5 km west of upper crossing of Music Creek. 1646 Comment
  NY609829  Penstemon deustus var. suffrutescens F. W. Pennell 1940-7-17 26169 Siskiyou Salmon Mountains, west of Etna 1828.8 Comment
  NY609833  Penstemon deustus var. suffrutescens A. Eastwood 1937-6-26 5043 Siskiyou Salmon Mountains above Taylor Creek Comment
  UC886968  Penstemon deustus var. suffrutescens Alice Eastwood 1912-7-19 1221 Siskiyou Mount Shasta Comment
  RSA739774  Penstemon gracilentus L. P. Janeway, B. Castro 2007-7-28 9129 Siskiyou High Cascade Range, Medicine Lake Highlands, just N of the N edge of Medicine Lake Glass Flow. 2109 Comment
  SBBG7148  Penstemon gracilentus H. and M. Dearing 1948-9-12 6727 Siskiyou Mt Shasta 2316 Comment
  NY601606  Penstemon heterodoxus var. shastensis F. W. Pennell 1940-7-20 26201 Siskiyou Route 89, west of Bartle 1158.2 Comment
  HSC20972  Penstemon humilis subsp. humilis R. C. Wunner 1965-6-10 143 Siskiyou Lava Beds National Monument, Caldwell Butte above Caldwell Minor 1463 Comment
  SJSU6070  Penstemon humilis var. humilis R. W. Trivelpiece 1971-7-5 44 Siskiyou Little Shasta Cr c. 8 mi E of shasta Valley 1219 Comment
  HSC61874  Penstemon laetus subsp. sagittatus Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  SEINET11262162  Penstemon laetus subsp. sagittatus Noel H. Holmgren, James L. Reveal 1966-6-9 2678 Siskiyou US 97, Shasta Valley, 4 miles north of Weed.; 0 1158 Comment
  RSA78839  Penstemon laetus subsp. sagittatus Philip A. Munz 1952-7-2 17917 Siskiyou Road to Baldy Mtn, ca 6 miles by air west of Happy Camp, Siskiyou Mtns. Comment
  SEINET7073530  Penstemon laetus var. laetus A. G. Vestal 1963-6-3 s.n. Siskiyou South of Gazelle on the east slope of lava hill on Gazelle-Callahan Road. UTM Zone 10, 535838mN, 4591995mN. Coordinate datum: NAD27. Comment
  POM252935  Penstemon laetus var. sagittatus A. A. Heller 1938-7-12 15237 Siskiyou Near the western base of Deer Mountain on US Hwy 97. Comment
  SEINET10547609  Penstemon laetus var. sagittatus Noel H. Holmgren, James L. Reveal 1966-6-9 Holmgren 2678 Siskiyou Us 97, shasta valley, 4 mi n of weed, t42n, r4w, sec 19, in scrub in sandy soil. 1158 Comment
  HSC55718  Penstemon newberryi subsp. berryi G. L. Clifton, Terry Griswold 1979-7-26 10150 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  JEPS84079  Penstemon newberryi var. berryi L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6354 a Siskiyou 1/2 mi SE of Red Butte (SW of Cook and Green Pass; 7 mi NNE of Seiad Valley) 1730 Comment
  NY627427  Penstemon newberryi var. berryi H. P. Chandler 06 1901 1599 Siskiyou Near Marble Mountain 2133.6 Comment
  UC1034002  Penstemon parvulus Francis W. Pennell 1940-7-17 26171 Siskiyou w Etna (northeastern slope Salmon Mountains); , w of Etna 1828 Comment
  UC1238923  Penstemon parvulus Freed W. Hoffman 1950-7-11 3485 Siskiyou Cedar Camp road 19.5 mi from Klamath Highway (western Siskiyou County); North Coast Ranges Comment
  HSC29292  Penstemon procerus var. brachyanthus Frederick W. Oettinger 1968-8-18 570 Siskiyou Marble Mtn. Wilderness Area, W end of Hancock Lake 1936 Comment
  JEPS101473  Penstemon procerus var. formosus Dean W. Taylor 1988-7-10 9965 Siskiyou summit ridge Mt. Eddy 2750 Comment
  SBBG21883  Penstemon roezlii D. Myrick 1964-7-25 948 Siskiyou Shasta Ski Bowl Hwy, Mt Shasta 1524 Comment
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Apr 15 2016
  HSC46220  Penstemon roezlii Jennifer Whipple 1978-6-5 2329 Siskiyou Weston Gulch in Scott Valley 854 Comment
  NY651300  Penstemon rydbergii var. oreocharis R. C. F. Bacigalupi 1957-6-27 5977 Siskiyou Alongside causeway traversing Grass Lake [U S Highway 97], on route between Weed and Klamath Lake, 20 miles northeast of Weed. 1544.7 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
  CAS-BOT-BC6570  Penstemon speciosus Amos Arthur Heller 1905-6-8 7991 Siskiyou Yreka Comment
  CHSC86678  Penstemon speciosus Jenny Marr 1993-7-1 61 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  NY660847  Penstemon speciosus H. M. Hall 06 1903 4071 Siskiyou Mount Shasta, near Sisson 1066.8 Comment
  UC27591  Penstemon speciosus Miss Edmonds May, 1893 Siskiyou Comment
  UC725619  Penstemon speciosus A. A. Heller 1938-7-12 15249 Siskiyou 5 mi n Weed (along highway #97); n of Weed Comment
  SEINET13944951 Image available Perideridia bolanderi L. Constance, T. I. Chuang 1967-1 3799 Siskiyou Summit of road on Scott Mountain at Trinity-Siskiyou County line, alt. 5400 ft 1646 Comment
  HSC69101  Perideridia parishii subsp. latifolia Maralyn A. Renner 1980-8-4 2229 Siskiyou Flint Valley 1390 Comment
  UC1518754  Phacelia dalesiana F. W. Oettinger 1969-7-25 Siskiyou ca 15 air mi sw Weed (near Kangaroo Lake Campground); Shasta-Trinity National Forest, Scott Mts. Comment
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Jul 5 2017
  CAS-BOT-BC6867  Phacelia dasyphylla James Downer Culbertson 1904-8-15 s.n. (= no. 4355 of C.F. Baker's distribution) Siskiyou Mt. Whitney 3962 Comment
  HSC43867  Phacelia greenei M. A. Baker 1977-5-22 322 Siskiyou N facing slope of hill just S of Whipple Ranch 976 Comment
  UCD120522  Phacelia heterophylla subsp. virgata Robert E. Preston 1995-6-18 882 Siskiyou ca. 3 mi ese of Hornbrook, adjacent to Ager Rd. 701 Comment
  UCD120556  Phacelia linearis E. K. Balls 1950-5-17 14725 Siskiyou New Lava Flow, rd. from Schonchin Butte to Capt. Jack's Stronghold, Lava Beds Nat'l Monument. 1493 Comment
  HSC24686  Phacelia mutabilis J. O. Sawyer 1969-7-9 1265 Siskiyou Summit above S Sugar Lake. 2378 Comment
  UC901811  Phacelia mutabilis L. Constance, J. F. Davidson, B. Kasipligil, and H. L. Mason 1950-7-16 3359 Siskiyou e side Little Grayback Peak (summit of Happy Camp-Waldo rd) 1524 Comment
  CDA21190  Phacelia pringlei Ogden 2007-5-23 PDR 1365288 Siskiyou Northern California; McDonald Lane in Weed. 0 Comment
  RSA120315  Phacelia pringlei S. S. Tillett 1956-7-9 647 Siskiyou South slope of Scott Mountain, Siskiyou-Trinity County line, ca. 8 miles southeast of Callahan. 1951 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
  UC666546  Phacelia ramosissima var. ramosissima G. L. Stebbins Jr. and A. A. Beetle 1942-5-31 3251 Siskiyou 5 mi w Gazelle Crest Comment
  UC1212570  Philadelphus lewisii Francia Chisaki and Helen Sharsmith 1959-8-20 4745 Siskiyou between Forks of Salmon and Somes Bar (several mi from Forks of Salmon); Inner North Coast Ranges, Salmon River 304 Comment
  CAS-BOT-BC250790  Phleum alpinum W. R. Dudley 1901-8-18 s.n. Siskiyou Jackson's Lake Comment
  SEINET10954464  Phleum alpinum H. E. Brown 1897-6-11 Brown 445 Siskiyou north side Mt. Shasta 1524 Comment
  HSC27689  Phlox adsurgens Carl W. Mize 1972-6-8 39 Siskiyou Along main trail 1/2 mi. before Deer Lick Creek 396 Comment
  UC455646  Phlox austromontana I. J. Condit 1911-7-22 Siskiyou Horse Camp Mt. Shasta 2438 Comment
  HSC30427  Phlox austromontana Frederick W. Oettinger 1969-7-10 964 Siskiyou Marble Mtn. Wilderness Area, S of Upper English Lake 1921 Comment
  JEPS82675  Phlox diffusa Wayne Roderick 1984-6-7 Siskiyou sw of Stewarts Springs; Cabin Meadow 1935 Comment
  UC1733804  Phlox diffusa Kay H. Beach, Frank Gould 1940-5-15 765 Siskiyou Bull Meadows. Comment
  UC609316  Phlox diffusa Eleanor Burks Hart 1938-8-19 901 Siskiyou Upper Wright Lake 2194 Comment
  JEPS26564  Phlox diffusa Lauramay T. Dempster 1961-7-1 1830 Siskiyou from Condry Peak to White Mountain Comment
  POM301670  Phlox diffusa subsp. diffusa Marion Ownbey, Fred G. Meyer 1940-7-4 2191 Siskiyou On ridge above head of Brewer Creek, east side of Mt. Shasta. Comment
  RSA469927  Phlox diffusa subsp. diffusa J. P. Smith 1973-5-5 6424 Siskiyou Along Cook and Green Pass road. Comment
  UCR66520  Phlox gracilis L. C. Wheeler 1934-6-1 2602 Siskiyou Siskiyou Mtns., Head Jaynes Canyon 1829 Comment
  CDA40292  Phlox gracilis J. M. DiTomaso 2002-5-17 s.n. Siskiyou 8 miles northeast of Montague. On York Road, 300 meters east of intersection with Mulloy Road. 0 Comment
  UC1222726  Phlox gracilis Joseph P. Tracy 1951-6-16 19477 Siskiyou at crossing of Takilma and Happy Camp (near Oregon-California State line); Summit of the Siskiyous Comment
  HSC45989  Phlox speciosa subsp. nitida J. P. Smith 1973-5-5 6546 Siskiyou Scott Bar along the Scott River Comment
  SEINET7073525  Phlox speciosa subsp. occidentalis A. G. Vestal 1963-6-3 s.n. Siskiyou Lava boulders south of Gazelle. UTM Zone 10, 544048mN, 4590451mN. Coordinate datum: NAD27. Comment
  CAS-BOT-BC60686  Phoenicaulis cheiranthoides Dorothy Parker 1948-5-11 s.n. Siskiyou East fork of Scott River, Plowman's Valley. 1158 Comment
  CAS-BOT-BC135338  Phoradendron juniperinum Alice Eastwood 1922-10-18 11543 Siskiyou Shasta Springs Comment
  CAS-BOT-BC56489  Phyllodoce empetriformis Joseph P. Tracy 1935-8-1 14406 Siskiyou Rock Lake, on ridge between Salmon and New Rivers, at extreme head of West Fork of Knownothing Creek 1889 Comment
  CAS-BOT-BC56499  Phyllodoce empetriformis Mrs. H. P. Bracelin 1931-6-21 458 Siskiyou North side of Mt. Eddy above Dobkin's Lake 2133 Comment
  CDA5887  Physalis longifolia T. C. Fuller 1966-10-6 15246 Siskiyou Clement ranch, 5 miles north of Montague. 0 Comment
  LA208020  Physocarpus capitatus Louis C. Wheeler; 1934-7-5 2877 Siskiyou Siskiyou Mountains, Beaver Creek at Dear Creek 975 Comment
  HSC31991  Picea breweriana Steve Selva, Roger Jensen 1974-8-16 18 Siskiyou Seepy areas along Sugar Lake trail Comment
  CAS-BOT-BC78165  Picea breweriana William R. Dudley 1899-7-5 s.n. Siskiyou Spur of Siskiyou Mts. between branches of Illinois River 2133 Comment
  CAS-BOT-BC73393  Pinus albicaulis Wm. Bridge Cooke 1938-9-17 11680 Siskiyou Mount Shasta - Horse Camp 2438 Comment
  NY34554  Pinus albicaulis H. E. Brown 1897-6-11 499 - Siskiyou North side Mt. Shasta 1524.0 Comment
  UC1037414  Pinus albicaulis Douglas Barbe 1955-8-5 360 Siskiyou ridge nw of the summit Caribou Mountain (in the Salmon Mountains); Klamath Mountains 2407 Comment
  JEPS88716  Pinus attenuata W. L. Jepson 1902-7-1 Siskiyou Trinity Summit to Salmon Summit; Devil's Backbone Comment
  CAS-BOT-BC73307  Pinus balfouriana Peter H. Raven 1956-9-4 10391 Siskiyou Ridge s. of Mt. Eddy. 2651 Comment
  JEPS80562  Pinus balfouriana Gilbert Muth 1965-8-6 178 Siskiyou backside Black Mountain; , Marble Mt. Wilderness Area 2133 Comment
  UC1313008  Pinus balfouriana J. M. Tucker and L. K. Mann and S. L. Holloway 1963-8-18 3769 Siskiyou sw ridge Black Marble Mountain; Marble Mountain Wilderness Area, Black Marble Mountain 2133 Comment
  UC338690  Pinus balfouriana unknown 1878-7-12 Siskiyou 20 mi w Mt. Shasta (s side of Mt. Eddy); Mt. Eddy Comment
  HSC68674  Pinus contorta Maralyn A. Renner 1980-7-4 1434 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  RSA0116404  Pinus contorta var. murrayana E. R. Johnson 1928-8-31 1196 Siskiyou 10 miles East of Bartle. Comment
  HSC92117  Pinus jeffreyi Jennifer Whipple 1976-9-4 1795 Siskiyou Dobkins lake drainage on E facing slopes above Dobkins lake 2256 Comment
  UC401397  Pinus lambertiana Geo. D. Butler 1908-7-12 517 Siskiyou Humbug Mountain Comment
  CAS-BOT-BC78954  Pinus monticola Peter H. Raven 1956-9-5 10448 Siskiyou North Fork of Sacramento River 2194 Comment
  HSC31507  Pinus monticola Steve Selva, Roger Jensen 1974-8-16 19 Siskiyou N shore of Sugar Lake. Comment
  JEPS64473  Piperia colemanii W. L. Jepson 1894-8-4 21280 Siskiyou halfway from Sisson to Horse Camp; Mt. Shasta 1524 Comment
  RSA68909  Piperia unalascensis A. E. Culbertson 1943-7-17 49 Siskiyou Near Forest Service Camp Grd. about a mile downstream from Castle Lake on road to town of Shasta; on north slope of a 6600 eastern spur of Trinity Mts. and 1500 above Sacramento R., within 9 air miles of its headwaters to the west., Mt. Shasta 13 miles to NE 1524 Comment
  CAS-BOT-BC228038  Plagiobothrys Geo. D. Butler 1909-5-23 732 Siskiyou Near [Yreka?] Comment
  JEPS82445  Plagiobothrys hispidulus Gilbert Muth 1966-7-19 424 Siskiyou horse pasture above camp Marble Mountain Wilderness Area 1798 Comment
  UC164106  Plagiobothrys nothofulvus Geo. D. Butler 1910-4-10 1164 Siskiyou near Yreka Comment
  POM215851  Plagiobothrys scouleri var. hispidulus L. C. Wheeler 1934-7-3 2869 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts 1677 Comment
  UC163848  Plagiobothrys tenellus Geo. D. Butler 1910-5-6 1295 Siskiyou Yreka Comment
  RSA3806  Plantago eriopoda A. A. Heller 1927-8-2 14442 Siskiyou North end of Shasta Valley near the Klamath River Comment
  JEPS25768  Plantago lanceolata Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7463 Siskiyou above and due e Twin Valley (about 13 air mi nw of Happy Camp); Siskiyou Mts. 1584 Comment
  HSC68345  Plantago lanceolata J. P. Smith 1973-5-5 6432 Siskiyou Along Cook and Green Pass Rd. Comment
  RSA237637  Platanthera Frederick W. Oettinger 1969-8-8 1287 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  HSC69053  Platanthera dilatata var. leucostachys Maralyn A. Renner 1980-8-6 2310 Siskiyou Cracker Meadow 1555 Comment
  HSC27780  Platanthera dilatata var. leucostachys J. D. Ackerman, A. Montalvo 1973-7-21 106 Siskiyou Paines Springs, 2.8 mi. SE of Medicine Lake Comment
  HSC44572  Platanthera dilatata var. leucostachys Laura Witherspoon 1977-7-30 Siskiyou Flint Valley 1341 Comment
  HSC35343  Platanthera sparsiflora J. P. Smith, J. O. Sawyer 1973-8-14 7313 Siskiyou Around Cliff Lake 1860 Comment
  HSC69099  Platanthera sparsiflora Maralyn A. Renner 1980-8-4 2221 Siskiyou Flint Valley 1390 Comment
  HSC35287  Platanthera sparsiflora A. Montalvo, J. D. Ackerman 1974-7-2 354 Siskiyou Along road to Middle Fork Sacramento River and Toad Lake. West of Mt. Shasta City Comment
  UCD19277  Platanthera sparsiflora Julie Knorr 1980-7-15 68 Siskiyou 1 mi. up Houston Creek Trail above road. 1676 Comment
  SEINET8531600  Plectritis macrocera G. D. Butler 1910-3-24 1139 Siskiyou Shasta River Hills Comment
  HSC73334  Poa compressa Gail Newton 1980-6-20 469 Siskiyou Near Bald Mtn. 1097 Comment
  CAS-BOT-BC247011  Poa nervosa Alice Eastwood 1921-7-28 10930 Siskiyou Medicine Lake Comment
  CDA2375  Poa palustris Bill Huse 1960-8-8 Siskiyou Tulelake. 0 Comment
  HSC76667  Poa pratensis K. T. Stillman 1976-7-23 303 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  HSC76909  Poa pratensis K. T. Stillman 1976-6-26 121 Siskiyou Marble Mtn. Wilderness Area, near Bear Lake. 1829 Comment
  RSA129255  Poa pratensis H. A. Jensen 1933-7-27 s.n. Siskiyou Grey Butte 2073 Comment
  UCD91929  Poa pratensis A. H. Murphy 1953-7-29 KNF 11 Siskiyou Steavale Canyon. Klamath National Forest. 1524 Comment
  JEPS107476  Poa pratensis subsp. pratensis Lowell Ahart, John Dittes 2005-6-9 12033 Siskiyou Hill, along a rock fence, about 100 yards southeast 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
  JEPS82285  Poa pringlei Roger Raiche 1983-8-13 30593 Siskiyou summit area Mt Eddy 2743 Comment
  UCD91764  Poa pringlei A. A. Heller 1921-7-7 13566 Siskiyou East slope of Mt. Eddy, in the Canadian Life Zone. Comment
  SEINET10954314  Poa scabrella Frank W. Gould 1940-5-15 Gould 1234 Siskiyou Lower Bull Meadow, Goosenest Mountain, in dry soil at edge at wet meadow. Comment
  RSA239017  Poa secunda Frederick W. Oettinger 1969-8-3 1148 Siskiyou Above Horse's Hole near Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1982 Comment
  SEINET10522722  Poa secunda Billy Joe Cox, David B. Dunn 1971-6-9 Cox 2833 Siskiyou 3 mi N of Weed, on US Hwy 97; S-facing 20.00.00 slope; roadside; in Pinus ponderosa, P. jeffreyi, and Artemisia tridentata, and Purshia. 1128 Comment
  CAS-BOT-BC237718  Poa secunda subsp. juncifolia Alice Eastwood 1921-7-24 10768 Siskiyou Castle Lake Comment
  UC167207  Poa secunda subsp. juncifolia Geo. D. Butler 1908-7-16 467 Siskiyou Klamath River Comment
  CAS-BOT-BC243240  Poa secunda subsp. secunda John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53409 Siskiyou Fort Jones 853 Comment
  CDA18409  Poa secunda subsp. secunda G. D. Barbe, T. C. Fuller & J. T. Howell 1980-4-29 2618 Siskiyou Klamath Ranges; north edge of Fort Jones beside Hwy 3; ; 0.1 mi N of Hamilton St., Ft. Jones. 822 Comment
  HSC31102  Poa secunda subsp. secunda Frederick W. Oettinger 1969-8-3 1149 Siskiyou Salmon Mountains, NW of English Lake. 1951 Comment
  HSC63243  Poa secunda subsp. secunda M. A. Baker 1979-7-30 1072 Siskiyou E facing rock slope. 2200 Comment
  JEPS45828  Poa secunda subsp. secunda Duncan Dunning 1922-6-5 Siskiyou nw Fort Jones (Moffett Creek) Comment
  UC196959  Poa secunda subsp. secunda Geo. D. Butler 1909-6-13 831 Siskiyou Moffitt Creek Comment
  CAS-BOT-BC244323  Podagrostis humilis L. P. Janeway 1983-8-16 557 Siskiyou Siskiyou Mountains, at Poker Flat 1524 Comment
  CAS-BOT-BC244324  Podagrostis humilis W. B. C. 1938-9-17 11695 Siskiyou Mount Shasta. Water Supply Spring, Horse Camp, Hudsonian Comment
  POM75059  Polemonium carneum Geo D. Butler 1909-4-28 737 Siskiyou McAdams Creek. Comment
  SEINET3163792  Polemonium carneum G. D. Butler 1910-5-15 1344 Siskiyou McAdams Creek Comment
  JEPS20037  Polemonium micranthum George D. Butler 1909-3-16 557 Siskiyou near Yreka (Butler's Ranch); near Yreka, Butler's Ranch Comment
  SEINET13759088  Polemonium micranthum G. D. Butler 1910-3-23 1137 Siskiyou Near Yreka Comment
  UC759929  Polemonium pulcherrimum Edward Stuhl Aug 1926 Siskiyou On higher slopes of Shastina. Mount Shasta 3657 Comment
  LA206594  Polemonium pulcherrimum L. Ellison; 1928-11-12 503 Siskiyou Mt Shasta Comment
  JEPS26587  Polemonium pulcherrimum subsp. pulcherrimum Peter Kamb 1949-8-25 1495 Siskiyou above Horse Camp (sw slope Mt. Shasta); sw slope Mt. Shasta above Horse Camp 3169 Comment
  UC1025129  Polemonium pulcherrimum subsp. pulcherrimum Douglas Barbe 1955-8-1 325 Siskiyou summit of Mt. Bolivar Klamath Mountains, Scott Mtns, summit Mt. Bolivar (Scott Mtns., Klamath Mountains) 2468 Comment
  CHSC48339  Polyctenium fremontii var. fremontii Vernon Oswald 1986-5-29 2073 Siskiyou Hwy 97 between Grass Lake and Hebron Summit, 26.9 mi ne of Weed. 1432 Comment
  JEPS24616  Polygala cornuta var. cornuta Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6769 Siskiyou along SP (Shasta Route) railway grade upper Sacramento River Canyon (in the 1 1/2 mi stretch between Shasta Retreat (at northern outskirts of Dunsmuir) to Mossbrae Falls and Shasta Springs) 731 Comment
  JEPS24632  Polygala cornuta var. cornuta Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-1 6787 Siskiyou along Everitt Memorial Highway to Panther Meadow (lower slopes at sw base of mountain, 2.3 mi above town of Mt. Shasta (Sisson)); Mount Shasta 1219 Comment
  RSA460150  Polygala cornuta var. cornuta Chadwick, Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  UC450154  Polygala cornuta var. cornuta I. J. Condit 1909-8-23 16 Siskiyou near Sisson; Castle Lake Comment
  UC570807  Polygala cornuta var. cornuta Dorothy Tebbe 1929-7-2 17 Siskiyou Donkey Camp Mount Eddy (roadside) Comment
  CHSC88095  Polygonum aviculare Jenny Marr 1993-7-1 105 Siskiyou Butte Valley Wildlife Area, +- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC1045258  Polygonum aviculare subsp. aviculare W. Bridge Cooke 1940-8-2 15403 Siskiyou Bear Springs Meadow Mount Shasta (along road) Comment
  UC850005  Polygonum aviculare subsp. depressum A. A. Heller 1915-8-24 12207 Siskiyou Metcalf's ranch, NE base of Mt. Eddy 1188 Comment
  RSA237796  Polygonum bistortoides Frederick W. Oettinger 1966-8-7 47 Siskiyou Below Tom Taylor Cabin Springs. The Salmon Mountains. The High Lake Basins in the vicinity of English peak. Marble Mountain Wilderness Area. 2043 Comment
  UC163656  Polygonum bistortoides Geo. D. Butler 1909-6-23 969 Siskiyou Goosenest foothills Comment
  UC1733715  Polygonum bistortoides Frank Gould, Kay H. Beach 1940-5-15 1227 Siskiyou Bull Meadows Comment
  CAS-BOT-BC414590  Polygonum douglasii John Thomas Howell 1939-8-2 14939 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC414605  Polygonum douglasii Annetta Carter 1934-8-15 714 Siskiyou Summit of Happy Camp to Waldo (Oregon) road, Indian Creek Watershed, Klamath National Forest 1615 Comment
  CAS-BOT-BC414597  Polygonum douglasii Louis C. Wheeler 1934-7-3 2860 Siskiyou Klamath National Forest. Soda Creek 1676 Comment
  HSC32755  Polygonum douglasii Frederick W. Oettinger 1968-9-2 676 Siskiyou Marble Mtn. Wilderness Area, Horse Range Lake 1860 Comment
  UCR222502  Polygonum douglasii subsp. austiniae R. F. Thorne 1969-8-2 63401 Siskiyou Klamath Ranges Region; Salmon Mountains, Klamath National Forest, Marble Mountain Wilderness Area, trail to English Peak [along N fork of Salmon River] 1159 Comment
  UC637130  Polygonum douglasii subsp. spergulariiforme Annetta Carter 1934-8-10 689 Siskiyou s bank of river between McKinney Creek and Parkhouse Creek (near Hamburg); Klamath River 609 Comment
  UC1026908  Polygonum douglasii subsp. spergulariiforme W. Bridge Cooke 1940-6-7 15107 Siskiyou along Pacific Hwy near Black Butte Comment
  UC217425  Polygonum douglasii subsp. spergulariiforme H. M. Hall 1919-10-1 Siskiyou s slope on Oregon hwy Siskiyou Mts. Comment
  JEPS24027  Polygonum minimum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6890 Siskiyou Poker Flat Siskiyou Mountains 1536 Comment
  SEINET3399368 Image available Polygonum minimum J. M. Tucker, L. K. Mann 1963-8-17 3743 Siskiyou Red Rock Valley, near top of ridge, Marble Mountain Wilderness Area Comment
  JEPS19769  Polygonum persicaria Rimo Bacigalupi with S. Galen Smith 1957-6-27 5969 Siskiyou about 1 1/2 mi w Weed (along U.S. Hwy 99) 992 Comment
  UC127333  Polygonum sawatchense subsp. sawatchense H. M. Hall and E. B. Babcock June, 1903 4049 Siskiyou near Sisson; Mount Shasta 1066 Comment
  CAS-BOT-BC421071  Polygonum spergulariiforme Doris K. Kildale 1925-9-6 1282 Siskiyou Somes Bar near junction of Klamath & Salmon Rivers Comment
  CAS-BOT-BC421076  Polygonum spergulariiforme Louis C. Wheeler 1934-9-26 3303 Siskiyou Klamath National Forest. Lumgrey Creek 1005 Comment
  HSC26551  Polypogon monspeliensis J. P. Smith, Steve Selva 1970-7-17 4437 Siskiyou 915 Comment
  JEPS107672  Polypogon monspeliensis Lowell Ahart, John Dittes 2005-6-9 12003 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  HSC79152  Polystichum imbricans C. J. Thomas 1983-10-1 102 Siskiyou 0.75 mi. from Indian Scotty campground on gravel rd. to Paradise Lake 854 Comment
  CAS-BOT-BC76740  Polystichum imbricans subsp. imbricans Geo. D. Butler 1910-7-9 1693 Siskiyou Shackleford Creek 1219 Comment
  HSC19290  Polystichum imbricans subsp. imbricans J. O. Sawyer 1968-9-9 653 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  CAS-BOT-BC482441  Polystichum kruckebergii Dana York 2011-8-12 3046 Siskiyou Marble Mountain Wilderness, Klamath National Forest, NE-facing slope of Marble Mountain 2065 Comment
  JEPS83823  Polystichum lemmonii Wayne Roderick July 1976 Siskiyou near Lily Pad Lake (vicinity of Cook and Green Pass); Siskiyou Mts. 1828 Comment
  UC1481730  Polystichum lemmonii A. Lefebvre Oct 1941 Siskiyou 2 mi e White Mt. Comment
  HSC90061  Polystichum lemmonii R. W. Becking 1985-8-28 Siskiyou Scott Mtn. Rd. Callahan, Rockfence Lake, E of Kangaroo Lake, above cabin 1829 Comment
  CAS-BOT-BC482446  Polystichum lonchitis Dana York 2011-8-13 3055 Siskiyou Marble Mountain Wilderness, Klamath National Forest, NE-facing slope of Marble Mountain 2045 Comment
  HSC34293  Polystichum lonchitis J. P. Smith, J. O. Sawyer 1973-8-14 7287 Siskiyou Along trail from Log Lake to Campbell Lake 1585 Comment
  RSA693279  Polystichum lonchitis M. B. Dunkle 1945-8-7 9332 Siskiyou King's Casle. Marble Mtns, Klamath National Forest. Comment
  UCR143038  Polystichum lonchitis L. C. Wheeler 1934-8-6 3058 Siskiyou Klamath Ranges; Siskiyou Mountains, Rock 'Gulch' [Creek] off Jaynes Canyon 1829 Comment
  UC1593364  Polystichum munitum Alan Smith with Chris Richards, C. Don Macneill, Janet Sowers, Bob Martin, Pat Toops, and Barney 1992-6-6 2542 Siskiyou at base of entrance Fossil Cave; Lava Beds Nat'l Monument 1280 Comment
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May 30 2013
  RSA331965  Polystichum munitum Dave Kelly, Walter Wisura 1985-7-30 4072 Siskiyou Along Middle Creek Rd (47N63), N of Horse Creek at Hwy 96. Siskiyou Mtns. Comment
  HSC79139  Polystichum scopulinum C. J. Thomas 1983-10-1 95 Siskiyou Box Camp Mtn. Ridge in Marble Mtn. Wilderness, 0.5 mi. from trail 2098 Comment
  SEINET8233949  Populus balsamifera Frank Callahan 2007-1 Siskiyou Moffett Creek. 884 Comment
  CAS-BOT-BC102773  Populus tremuloides W. B. C. 1938-8-23 11577 Siskiyou Top of the Shastina Lava Park on the north side of Shastina 2438 Comment
  JEPS77668  Populus trichocarpa William J. Ferlatte 1974-7-14 1527 Siskiyou bank of South Fork Salmon River Big Flat (below campground); Trinity Alps 1508 Comment
  POM172664  Potamogeton foliosus Geo D. Butler 1910-8-21 1851 Siskiyou Shasta River. Comment
  POM312993  Potamogeton gramineus Calvin McMillan, Malcolm A. Nobs 1949-6-17 801 Siskiyou Grass Lake, Highway 97. Comment
  HSC103183  Potamogeton pusillus Dana York 2011-9-9 3089 Siskiyou Klamath National Forest, a few meters inside Marble Mountain Wilderness at Isinglass Lake. 1985 Comment
  SEINET11916231  Potentilla breweri Unknown 1936-1 13448 Siskiyou In rocky mtn slopes near Hornbrook Comment
  HSC29384  Potentilla drummondii Frederick W. Oettinger 1969-7-13 1001 Siskiyou High Lake Basins near English Peak: Marble Mtn. Wilderness Area; N of upper English Lake 1951 Comment
  JEPS82728  Potentilla drummondii Wayne Roderick 1983-7-10 Siskiyou Doe Flat near the Del Norte County line; Doe Flat 1143 Comment
  UC1607535  Potentilla drummondii subsp. breweri Barbara Ertter with Julie Kierstead and Jim Nelson 1990-7-15 9365 Siskiyou Ca 1 mi E of Toad Lake at head of Middle Fork Sacramento River ca 8 air miles W of Mt Shasta City. 1981 Comment
  HSC18938  Potentilla flabellifolia J. O. Sawyer 1969-7-24 1475 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  HSC295  Potentilla flabellifolia William J. Ferlatte 1966-8-17 390 Siskiyou Caribou Basin 1982 Comment
  HSC29380  Potentilla flabellifolia Frederick W. Oettinger 1969-7-13 1009 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: S of Upper English Lake 1951 Comment
  RSA68938  Potentilla glandulosa subsp. ashlandica A. E. Culbertson 1943-7-17 20 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall, 14 miles s.w. of Mt Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  HSC90539  Potentilla gracilis var. fastigiata Jennifer Whipple 1976-7-24 1543 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CAS-BOT-BC540570  Potentilla gracilis var. fastigiata Alice Eastwood 1912-7-15 1110 Siskiyou McCloud Comment
  HSC126  Potentilla gracilis var. fastigiata William J. Ferlatte 1966-8-3 260 Siskiyou Mtn. Meadow Ranch 1524 Comment
  POM264923  Potentilla millefolia Louis C. Wheeler 1935-6-23 3590 Siskiyou Shasta River 2 miles NW Montague 762 Comment
  SEINET182279  Potentilla millefolia L. C. Wheeler 1935-6-23 3590 Siskiyou Shasta River 2mi NW Montague 762 Comment
  CHSC86637  Poteridium annuum Jenny Marr 1993-7-1 20 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  CAS-BOT-BC64622  Primula suffrutescens John Thomas Howell 1937-7-25 13511 Siskiyou Summit between Caribou Basin and Start Fork of Trinity River. 2225 Comment
  CAS-BOT-BC158200  Prunus emarginata Alice Eastwood 1923-5-18 11823 Siskiyou Shasta Springs Comment
  CAS-BOT-BC158207  Prunus emarginata Alice Eastwood 1912-7-18 1212 Siskiyou Sisson Comment
  RSA63068  Prunus emarginata L. S. Rose 1950-5-7 50108 Siskiyou Shasta Springs 915 Comment
  RSA1113  Prunus emarginata E. R. Johnson 1928-8-31 1194 Siskiyou Lava beds between Lookout and Bartle Comment
  RSA453224  Prunus emarginata Bonnie C. Templeton 1957-6-21 s.n. Siskiyou On the road up to Mt. Shasta. Comment
  UC1034612  Prunus virginiana var. demissa Douglas Barbe 1955-6-28 24 Siskiyou 0.8 mi n of Callahan; Klamath Mountains 1005 Comment
  UC572361  Prunus virginiana var. demissa M. H. Mitchell 1936-5-19 Siskiyou 1 1/4 mi w of Coldwell Butte (Modoc Lava Beds National Monument); Modoc Lava Beds National Monument 1371 Comment
  CAS-BOT-BC357394  Pseudognaphalium microcephalum Wm. Bridge Cooke 1938-8-5 11452 Siskiyou Mount Shasta. Near MacBride Spring Comment
  CAS-BOT-BC357405  Pseudognaphalium microcephalum Alice Eastwood 1921-7-26 10868 Siskiyou Soda Creek Comment
  JEPS95317  Pseudognaphalium stramineum Vernon H. Oswald and L. Ahart 1994-8-10 6451 Siskiyou T40N R2W NE1/4 NE1/4 Sec. 27, 3600 ft, Yellow Pine Forest. Pilgrim Creek Rd. (FS13) at Mud Creek, 2.7 mi N of Hwy. 89, ca. 4.5 mi (air) NE of McCloud 1097 Comment
  CHSC34832  Pseudostellaria jamesiana M. S. Taylor 1980-6-23 2941 Siskiyou On e side of 39N45, in Soapstone Gulch, ca. 2 mi s of its jct with Hwy 26, ca. 8 mi sw of Mt. Shasta City. 1676 Comment
  RSA237417  Pseudotsuga menziesii Frederick W. Oettinger 1968-8-15 528 Siskiyou On the ridge above Hell Hole at the northeast side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  LA6344  Pseudotsuga menziesii var. menziesii W. B. C.; 1939-7-26 13788 Siskiyou Mount Shasta, along the Sisson Southern Trail 1371 Comment
  CHSC71578  Pterospora andromedea Vernon H. Oswald; Lowell Ahart 1998-8-3 9445 Siskiyou Rock Fence Lake Rd. (USFS 41N18) 0.1 mi northeast of its intersection with Kangaroo Lake Rd. (USFS 41N08) 4.9 mi southest of Gazelle-Callahan Rd. 1676 Comment
  HSC46115  Pterospora andromedea J. P. Smith, Steve Selva 1970-6-16 4000 Siskiyou 5 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1189 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
  CAS-BOT-BC147892  Purshia tridentata var. tridentata Doris K. Kildale; J. W. Gillespie 1929-6-22 8030 Siskiyou Base of Black Butte, Mt. Shasta Comment
  RSA59510  Purshia tridentata var. tridentata E. K. Balls 1950-5-15 14702 Siskiyou Below Indian Wells Public Camp. Lava Beds National Monument. 1402 Comment
  CAS-BOT-BC460859  Pyrola aphylla H. A. Thomas; J. H. Thomas 1954-7-21 4413 Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1158 Comment
  SEINET8404856  Pyrola aphylla L. E. Detling 1947-6-3 6047 Siskiyou Happy Camp, Klamath Nat'l. Forest. 335 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
  HSC73238  Pyrola asarifolia subsp. asarifolia Gail Newton 1980-6-20 474 Siskiyou Near Bald Mtn. 1097 Comment
  HSC61507  Pyrola crypta Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail 1524 Comment
  RSA0080536  Pyrola crypta Frederick W. Oettinger 1968-8-7 439 Siskiyou Just north of Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  SD112140  Pyrola picta Darley F. Howe 1962-8-4 3390 Siskiyou Baldy Mt. 1524 Comment
  SJSU2557  Pyrola picta H. L. Buckalew 1962-7-6 Siskiyou junction of Indian Cr & W Branch Indian Cr Comment
  UCD117827  Pyrola picta J. M. Tucker 1974-7-28 4314 Siskiyou Adjacent to camp at Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  CAS-BOT-BC466130  Pyrola picta John Thomas Howell 1937-7-26 13520 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC466137  Pyrola picta L. B. Kildale 1930-6-1 9783 Siskiyou Black Bear Trail to Sawyers Bar 609 Comment
  SD88340  Pyrola picta Darley F. Howe 1972-7-6 Siskiyou 3.2 miles south of Oregon state line on road to Happy Camp 1402 Comment
  CAS-BOT-BC362387  Pyrrocoma racemosa var. racemosa W. R. Dudley 1899-8-15 s.n. Siskiyou Near Bartles ? Comment
  CAS-BOT-BC68603  Quercus chrysolepis Carl B. Wolf 1927-8-26 1069 Siskiyou on the Klamath River, 8 mi below Hamburg Comment
  HSC18864  Quercus chrysolepis G. L. Clifton, Griswold 1979-6-26 5965 Siskiyou Near Merrill Creek 351 Comment
  UC70408  Quercus chrysolepis Milo S. Baker Jul 1899 Siskiyou near Dunsmuir; Sacramento River Comment
  JEPS37935  Quercus garryana W. L. Jepson 1907-7-22 2955 Siskiyou Hamburg, w Siskiyou County Klamath River Comment
  JEPS37941  Quercus garryana W. L. Jepson 1902-7-20 2085 Siskiyou Summerville Comment
  RSA13724  Quercus garryana Louis C. Wheeler 1934-10-7 3312 Siskiyou Siskiyou County: Oak Knoll Ranger Station, Klamath River, Siskiyou Mtn. 671 Comment
  UC1311637  Quercus garryana Robert J. Rodin 1965-8-23 7159 Siskiyou just s Oregon border (Highway 99, in California) Comment
  CAS-BOT-BC62759  Quercus garryana var. breweri John Thomas Howell 1934-7-4 12383 Siskiyou Lava beds between Timbered Crater and Little Hot Springs Valley Comment
  JEPS37953  Quercus garryana var. breweri Geo. D. Butler 1908-8-16 233 Siskiyou e of Yreka Comment
  RSA120900  Quercus garryana var. garryana Milo S. Baker 1957-6-16 13647 B Siskiyou Along Highway S of Gazelle. Comment
  HSC36737  Quercus kelloggii Brent Whitely 1975-6-21 10 Siskiyou 223 Comment
  HSC68251  Quercus kelloggii J. P. Smith 1973-5-5 6434 Siskiyou Along Cook and Green Pass Rd. Comment
  RSA623527  Quercus kelloggii J. M. Tucker 1972-8-8 4244 Siskiyou Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 miles west-southwest of Marble Valley Guard Station. 1829 Comment
  CAS-BOT-BC104352  Quercus sadleriana Doris K. Kildale 1928-8-20 6586 Siskiyou Lily Pad Lake near Hancock Lookout on trail to Marble Mt. Comment
  CAS-BOT-BC104366  Quercus sadleriana Sandra L. Holloway 1963-10-12 77 Siskiyou Junction Red Rock valley trail and Canyon Creek trail, Marble Mountain Wilderness Area 1341 Comment
  HSC36740  Quercus sadleriana Brent Whitely 1975-7-3 128 Siskiyou 1220 Comment
  POM210971  Quercus sadleriana Louis C. Wheeler 1934-8-6 3048 Siskiyou Jaynes Canyon, Siskiyou Mountains. 1860 Comment
  UC1212136  Quercus sadleriana Reino Alava, Aloha Alava, and Rimo Bacigalupi 1958-9-3 2454 Siskiyou at the junction of the road to Poker Flat and the road from Happy Camp to Takilma 1376 Comment
  UCD47260  Quercus sadleriana John M. Tucker 1972-8-8 4247 A Siskiyou (Q. garryana Hook. var. breweri (Engelm.) Jepson). California, Siskiyou Co.; Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 mi. west-southwest of Marble Valley Guard Station (extreme southeast corner of Section 20, R.11W., T.42N. 1828 Comment
  UCSB3289  Quercus sadleriana Breedlove, Dennis 1962-6-10 Siskiyou Southwest slope of Little Greyback Mountain along Indian Creek Road from O'Brien to Happy Camp, 20.7 miles northwest of Happy Camp; Siskiyou Mountains 1554 Comment
  CAS-BOT-BC104615  Quercus vacciniifolia L. E. Smith 1913-7-1 450 Siskiyou Rainbow Comment
  RSA571661  Quercus vacciniifolia Louis C. Wheeler 1934-8-8 3066 Siskiyou West Fork of Beaver Creek, Siskiyou Mountains. 1677 Comment
  JEPS55081  Ranunculus alismifolius var. alismifolius Milo S. Baker 1893-8-8 Siskiyou Medicine Lake; near shore Comment
  UC52256  Ranunculus aquatilis var. capillaceus W. T. Mooney May 1903 Siskiyou Yreka Comment
  SEINET3160969  Ranunculus flammula var. reptans G. D. Butler 1910-7-12 1741 Siskiyou Shackleford Creek 1219 Comment
  POM99951  Ranunculus glaberrimus var. ellipticus Geo. D. Butler 1910-3-6 1117 Siskiyou Shasta River Comment
  HSC86556  Ranunculus gormanii D. K. Imper Jul 1987 Siskiyou Marble Mtn. Wilderness Area, Haypress Meadow, 8 mi. E of Somes Bar 1372 Comment
  POM100034  Ranunculus occidentalis Geo. D. Butler 1909-3-14 507 Siskiyou Dry ditch near Yreka Comment
  POM178063  Ranunculus occidentalis var. ultramontanus Marcus E. Jones 1930-7-10 25294 Siskiyou Lake Tahoe. Comment
  UC118221  Ranunculus orthorhynchus var. orthorhynchus T. S. Brandegee July 1887 Siskiyou Ager Comment
  HSC599  Ranunculus orthorhynchus var. orthorhynchus William J. Ferlatte 1967-6-6 498 Siskiyou Along S Fork of Salmon River between campground and Carter's 1524 Comment
  UCR37835  Ranunculus uncinatus L. P. Janeway 1983-8-6 486 Siskiyou At Poker Flat, a meadow in a fir forest. Dry E side of meadow, near edge 1524 Comment
  UC637070  Rhamnus californica subsp. occidentalis Edward Lee 1934-8-13 1060 Siskiyou Happy Camp to Waldo (Oregon) road (watershed of West Branch of Indian Creek); Klamath Mountains, West Branch of Indian Creek 1219 Comment
  CAS-BOT-BC56113  Rhamnus ilicifolia W. B. C. 1940-6-20 15141 Siskiyou along the Klamath River west of the Pacific Highway 609 Comment
  RSA7819  Rhamnus purshiana Carl B. Wolf 1927-8-27 1116 Siskiyou On the Klamath River, Happy Camp. Comment
  HSC76755  Rhodiola integrifolia subsp. integrifolia K. T. Stillman 1976-7-21 272 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  SJSU6535  Rhodiola integrifolia subsp. integrifolia R. W. Trivelpiece 1973-6-30 162 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  HSC91309  Rhododendron columbianum Jennifer Whipple 1977-8-4 2160 Siskiyou Wagon Creek drainage near Wagon Creek 2226 Comment
  CHSC71272  Rhus aromatica Vernon H. Oswald; Lowell Ahart 1998-6-11 9173 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed: 1066 Comment
  UC1608351  Rhus trilobata J. Kierstead 1991-4-23 91 -1 Siskiyou 2 mi sw of Haystack Rock (n side of Mt. Shasta, n of Hwy. 97); Mt Shasta Comment
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Jun 1 2007
  CAS-BOT-BC438006  Ribes L. B. Kildale 1930-6-1 9860 Siskiyou Salmon River 5 miles north of Fork of Salmon Comment
  CAS-BOT-BC92533  Ribes binominatum W. R. Dudley 1901-8-23 s.n. Siskiyou East slope of Foxtail Ridge, Salmon Mountains. Comment
  CAS-BOT-BC108778  Ribes cereum Louis C. Wheeler 1934-6-29 2825 Siskiyou Siskiyou Mountains. Soda Creek, Sterling Mountain. 1280 Comment
  UCD102136  Ribes cereum Wm. E. Moon 1958-5-29 s.n. Siskiyou along State Hwy 97, southwest of Hebron Summit. 1524 Comment
  CAS-BOT-BC108766  Ribes cereum 1940-6-2 s.n. Siskiyou West of Indian Wells Ranger Station. Comment
  CAS-BOT-BC27149  Ribes glanduliferum Amos Arthur Heller 1905-6-9 8005 Siskiyou Yreka Comment
  UC165267  Ribes inerme var. klamathense Geo. D. Butler 1910-5-18 1362 Siskiyou Yreka Creek Comment
  CAS-BOT-BC173299  Ribes lacustre Ira L. Wiggins 1955-7-24 13504 Siskiyou Trail crossing China Creek, above S. Fork of Salmon River, south of Mountain View Ranch (7 miles aove Cecilville) 1301 Comment
  HSC29431  Ribes lacustre Frederick W. Oettinger 1968-8-6 426 Siskiyou Marble Mtn. Wilderness Area, SE corner of Hancock Lake 1905 Comment
  HSC77492  Ribes lacustre L. P. Janeway 1983-6-26 344 Siskiyou Along FS Rd. 18N33 towards Poker Flat, 9 mi. from Grayback Rd. 1433 Comment
  UC165924  Ribes lacustre Geo. D. Butler 1908-8-8 263 Siskiyou Marble Valley Comment
  SBBG26908  Ribes lobbii J. T. Howell 1939-8-4 Siskiyou near Spirit Lake, Marble Mtns 1828 Comment
  UCD102253  Ribes lobbii Geo C. Wood 1940-4-30 s.n. Siskiyou Yreka. Comment
  RSA0021146  Ribes lobbii Frederick W. Oettinger 1969-7-14 1019 Siskiyou Saddle along ridge between Charmaine Lake and Abbotts Lake. Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness area. 1890 Comment
  RSA0021628  Ribes lobbii J. P. Smith 1974-5-25 7443 Siskiyou Near junction of Road 8 and French Creek Road. 1280 Comment
  RSA237678  Ribes marshallii Frederick W. Oettinger 1969-7-9 935 Siskiyou Northwest of Upper English Lake. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  RSA459485  Ribes marshallii M. B. Dunkle 1944-7-18 9152 Siskiyou Siskiyou National Forest. 1890 Comment
  HSC100867  Ribes montigenum J. P. Smith, J. O. Sawyer, R. J. Cole 2010-8-7 13063 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2003 Comment
  HSC98216  Ribes nevadense J. O. Sawyer 1969-7-11 1339 Siskiyou S Sugar Creek 1829 Comment
  UC195251  Ribes nevadense Annie M. Alexander and Louise Kellogg 1911-6-23 164 Siskiyou Jackson Lake 1798 Comment
  UC618600  Ribes nevadense W. Bridge Cooke 1938-6-17 11006 Siskiyou Sisson Southern Trail Mount Shasta Comment
  UC1096802  Ribes roezlii H. K. Wagnon and Douglas Barbe 1957-6-16 13127 Siskiyou Scott Mts. Klamath Mountains 1920 Comment
  UC618599  Ribes roezlii W. Bridge Cooke 1938-6-17 11001 Siskiyou Sisson Southern Trail Mount Shasta (also around Bear Springs) Comment
  CAS-BOT-BC200001  Ribes roezlii var. cruentum Gilbert Muth 1966-7-8 359 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC200006  Ribes roezlii var. cruentum B. Bartholomew; B. Anderson 1988-5-12 4081 Siskiyou 4 km E of Hambone Butte between Hambone Butte and the N end of White Horse Mountains on Old Two Camp Road 1140 Comment
  CAS-BOT-BC144511  Ribes sanguineum var. sanguineum A. M. Vollmer; L. Beane 1951-6-2 79 Siskiyou Happy Camp, Klamath River Highway Comment
  CAS-BOT-BC144516  Ribes sanguineum var. sanguineum Louis C. Wheeler 1934-6-12 2695 Siskiyou Klamath [National] Forest. North Hungry Cr. 1310 Comment
  HSC61942  Ribes sanguineum var. sanguineum Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1555 Comment
  HSC100033  Ribes velutinum J. P. Smith, & J. O. Sawyer 2010-5-6 12817 Siskiyou 732 Comment
  RSA0020922  Ribes viscosissimum Frederick W. Oettinger 1968-8-10 467 Siskiyou East side of Hancock Lake. The high lake basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UC375395  Rosa californica Geo. D. Butler 1908-6-20 1044 Siskiyou near Yreka Comment
  SEINET8986557  Rosa eastwoodiae Unknown 1912-1 2100 (15) Siskiyou Sisson, Siskiyou County. Comment
  POM257520  Rosa eglanteria Carl B. Wolf 1930-10-23 1760 Siskiyou Along the Klamath River, 1 miles above Happy Camp. 183 Comment
  CAS-BOT-BC146736  Rosa gymnocarpa A. A. Heller 1915-8-24 12203 Siskiyou Metcalf's Ranch, northeast base of Mt. Eddy 1188 Comment
  UC618738  Rosa gymnocarpa W. B. Cooke 1938-6-24 11094 Siskiyou MacBride Spring Road Mount Shasta 1524 Comment
  LA208226  Rosa nutkana Louis C. Wheeler; 1934-10-27 3349 Siskiyou Siskiyou Mountains, Mt. Diablo Mer., Shasta River 1 mi. below Yreka Creek 731 Comment
  UC1409336  Rosa pisocarpa Frederick W. Oettinger 1968-8-23 612 Siskiyou talus below shore cliff just below Diamond Lake (on way toward English Lake); Salmon Mountains, Marble Mountain Wilderness Area 2057 Comment
  RSA78995  Rubus discolor E. K. Balls, Percy C. Everett 1952-10-13 18183 Siskiyou Just above turn off to Deer Creek on road to Castle Lake from Mt. Shasta. 1037 Comment
  HSC99690  Rubus lasiococcus G. L. Clifton 1979-7-1 6177 Siskiyou Near Poker Flat, close to the town of Happy Camp 1538 Comment
  LA208218  Rubus lasiococcus Louis C. Wheeler; 1934-8-13 3116 Siskiyou Siskiyou Mountains, Johnson Dairy 1828 Comment
  POM208382  Rubus lasiococcus Louis C. Wheeler 1934-8-13 3116 Siskiyou Johnson Dairy. Siskiyou Mtns. 1829 Comment
  CAS-BOT-BC147983  Rubus leucodermis D. E. Breedlove 1962-6-10 3308 Siskiyou On steep east bank of Indian Creek, along Indian Creek Road, 10.5 miles northwest of Happy Camp; Siskiyou Mountains 518 Comment
  CAS-BOT-BC147984  Rubus leucodermis Doris K. Kildale 1928-7-1 5328 Siskiyou Forks of Salmon Comment
  CAS-BOT-BC147316  Rubus parviflorus H. A. Thomas; J. H. Thomas 1954-7-23 4463 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Vicinity of Blind Horse Creek 1036 Comment
  UC144393  Rubus parviflorus A. A. Heller 1905-6-1 7949 Siskiyou between Upper Soda Spring and Shasta Retreat; between Upper Soda Spring and Shasta Retreat Comment
  HSC64442  Rumex acetosella J. P. Smith, Steve Selva 1970-6-15 3980 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  RSA237968  Rumex acetosella Frederick W. Oettinger 1968-8-10 466 Siskiyou Trail side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC434155  Rumex triangulivalvis Alice Eastwood 1921-7-28 10928 Siskiyou Medicine Lake Comment
  RSA237871  Sagina decumbens subsp. occidentalis Frederick W. Oettinger 1969-8-18 1428 Siskiyou Northeast of Horse Range Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  HSC44957  Sagina saginoides J. O. Sawyer 1978-6-16 3228 Siskiyou Marble Mtn. Wilderness Area, Upper Elk Valley 1951 Comment
  UC618783  Sagina saginoides W. Bridge Cooke 1938-8-18 11474 Siskiyou Mt. Shasta, Horse Camp Springs Comment
  HSC79090  Sagittaria cuneata Paul Wilson 1984-8-26 350 Siskiyou Juanita Lake Reservoir, edge of lake 1555 Comment
  HSC22192  Salix eastwoodiae J. O. Sawyer 1969-7-24 1476 Siskiyou NE facing seep SW of Sugar Lake 1890 Comment
  HSC75264  Salix eastwoodiae J. O. Sawyer, M. Mesler 1980-8-12 4043 Siskiyou Marble Valley 1829 Comment
  JEPS38483  Salix exigua W. L. Jepson 1907-7-22 2953 Siskiyou Burhart's Ranch Hamburg; Klamath River Comment
  UC164394  Salix exigua var. hindsiana Geo. D. Butler 1908-6-25 150 Siskiyou Comment
  RSA0034682  Salix lasiandra H. P. Bracelin 1931-6-19 424 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City. 1350 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
  CAS-BOT-BC125473  Salix lasiandra var. lasiandra W. R. Dudley 1907-8-26 s.n. Siskiyou Salmon Mountains Comment
  SD37402  Salix lasiandra var. lasiandra Mrs. H. P. Bracelin 1931-6-19 429 Siskiyou North base of Mount Eddy, about 10 km northwest of Shasta City, in meadow near road and creek east of Metcalf ranch house 1200 Comment
  CAS-BOT-BC125474  Salix lasiandra var. lasiandra W. R. Dudley 1907-8-24 s.n. Siskiyou South Fork Salmon, below Smiths Comment
  CAS-BOT-BC107069  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-19 412 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1425 Comment
  CAS-BOT-BC107077  Salix lasiolepis s.n. Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  POM362720  Salix lasiolepis H. P. Bracelin 1931-6-19 411 Siskiyou NE side of Mt Eddy. About 16 km NW of Shasta City. Above Metcalf ranch house. 1425 Comment
  SBBG57844  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou N side of Mt Eddy, below Dobkin's Lake,, ca. 21 km NW of Shasta City 1650 Comment
  UC375223  Salix lasiolepis Geo. D. Butler 1909-4-11 1078 Siskiyou Shasta Springs Comment
  UC576383  Salix lasiolepis Mrs. H. P. Bracelin 1936-4-15 832 Siskiyou 8-9 mi. n.w.of Mt. Shasta City (Wagon Creek above Metcalf ranch house); e. side Mt. Eddy 1203 Comment
  RSA610772  Salix lasiolepis var. lasiolepis Louis C. Wheeler 1935-5-12 3492 Siskiyou Greenhorn Creek. Siskiyou Mtns. 915 Comment
  POM107047  Salix lucida subsp. lasiandra Geo. D. Butler 1910-6-1 1443 Siskiyou Yreka Creek. Comment
  SBBG57825  Salix lucida subsp. lasiandra Mrs. H. P. Bracelin 1931-6-19 423 Siskiyou NE side of Mt Eddy, ca. 16 km NW of Shasta City, above Metcalf ranch house 1350 Comment
  CAS-BOT-BC125683  Salix melanopsis L. E. Smith 1914-7-6 751 Siskiyou Cantara Comment
  CAS-BOT-BC125684  Salix melanopsis Doris K. Kildale 1928-8-18 6416 Siskiyou North Fork of Salmon River at Finley Camp Comment
  CAS-BOT-BC125692  Salix melanopsis W. R. Dudley 1907-8-23 s.n. Siskiyou South Fork Salmon by crossing of trail to 4 mile camp Comment
  CAS-BOT-BC129039  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 446 Siskiyou North base of Mount Eddy, about 1 km. up from Metcalf ranch house, about 17 km. northwest of Shasta City 1170 Comment
  LA208914  Salix scouleriana Mrs. H. P. Bracelin; 1931-6-20 446 Siskiyou E side of Mount Eddy, ca 17 km NW of Shasta City; above stream in Wagon Creek Canyon; 1 km. up from Metcalf ranch house 539 Comment
  POM362922  Salix scouleriana H. P. Bracelin 1931-6-19 435 Siskiyou N base of Mt Eddy. About 10 km NW of Shasta City. E of Metcalf ranch house. 1080 Comment
  RSA238031  Salix scouleriana Frederick W. Oettinger 1968-9-8 784 Siskiyou E shore of English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness. 1738 Comment
  HSC91184  Salix sitchensis Jennifer Whipple 1976-6-19 1065 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2195 Comment
  UC1034057  Salsola tragus W. Bridge Cooke 1941-9-5 16257 Siskiyou along the Memorial Hwy. Mt. Shasta Comment
  HSC65137  Salsola tragus J. P. Smith, Steve Selva 1970-7-17 4418 Siskiyou Along Klamath River. Comment
  HSC65315  Salsola tragus J. P. Smith, Steve Selva 1970-8-9 4585 Siskiyou In potato fields W of Macdoel. Comment
  CDA5770  Salvia virgata C. S. Giebner 1968-7-29 Siskiyou E.H. Marlow property, Greenhorn Valley, ca. 2 miles west of Yreka Comment
  UC441306  Sambucus melanocarpa Annie M. Alexander and Louise Kellogg 1911-6-17 155 Siskiyou Jackson L. 1798 Comment
  UC1281237  Sambucus mexicana H. E. McMinn 1931-6-27 2527 Siskiyou Hamburg to Seiad<?> Valley; Kl. River Comment
  CAS-BOT-BC238879  Sambucus nigra subsp. caerulea Geo. D. Butler 1910-5-29 1425 Siskiyou Near Yreka Comment
  HSC65077  Sambucus nigra subsp. caerulea J. P. Smith, Steve Selva 1970-6-15 3938 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  UC114600  Sanguisorba annua Brandegee July 1887 Siskiyou Hornbrook Comment
  HSC60115  Sanicula crassicaulis M. A. Baker 1978-5-20 580 Siskiyou 3 km N of Somes Bar Comment
  UC106097  Sanicula graveolens Thos. Howell 1889-4-16 1364 Siskiyou Pacific Coast, Hornbrook Hornbrook; Pacific Coast, Hornbrook Comment
  UC1222752  Sanicula graveolens Joseph P. Tracy 1951-6-16 19481 Siskiyou at crossing of Takilma-Happy Camp Road (Summit of the Siskiyous); Summit of Siskiyous Comment
  UC165381  Sanicula graveolens Geo. D. Butler 1908-8-4 54 Siskiyou head of Shackleford Creek Shackleford Creek Comment
  POM77780  Sanicula graveolens Geo. D. Butler 1910-5-1 1258 Siskiyou Humbug Mountain 1220 Comment
  UC1251651  Sanicula tuberosa Tracey and Viola Call 1964-6-26 2296 Siskiyou area surrounding Scott Mountain Campground Scott Mountain Campground 1676 Comment
  CAS-BOT-BC466231  Sarcodes sanguinea Doris K. Kildale 1929-7-20 8644 Siskiyou Trail up South Fork of Indian Creek to Elk Lick Comment
  RSA269281  Saussurea americana T. C. Fuller, D. H. Shaw 1974-9-24 20045 Siskiyou Headwaters of Horse Creek, SW slope of White Mountain, Siskiyou Mountains. Comment
  RSA184699  Saxifraga caespitosa Gilbert Muth 1966-7-31 468 Siskiyou North side of Black Mountain, Marble Mountains. 1982 Comment
  RSA184815  Saxifraga nidifica var. claytoniifolia Gilbert Muth 1966-7-8 367 Siskiyou Marble Valley Meadow. Marble Mtns. 1793 Comment
  RSA238323  Saxifraga occidentalis var. rufidula Frederick W. Oettinger 1969-7-16 651 Siskiyou Base of precipice S of Abbotts Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1860 Comment
  JEPS25649  Saxifraga odontoloma Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7289 Siskiyou beside rill at Poker Flat 1536 Comment
  RSA211111  Saxifraga odontoloma William J. Ferlatte 1967-8-23 1105 Siskiyou Kidd Creek Trail. Trinity Alps. 1951 Comment
  UC609344  Saxifraga odontoloma Eleanor Burks Hart 1938-8-20 900 Siskiyou Upper Wright Lake 2225 Comment
  UC375361  Saxifraga oregana Geo. D. Butler 1909-6-22 898 Siskiyou Goosenest foothills Comment
  CAS-BOT-BC239857  Schedonnardus paniculatus D. H. Shaw 1980-8-5 s.n. Siskiyou Don Shaw property, Ager Road, Montague Comment
  JEPS19774  Scirpus congdonii Rimo Bacigalupi with S. Galen Smith 1957-6-26 5954 Siskiyou springy bog at w end Gumboot Lake (head of South Fork Sacramento River, close to Trinity County line); head of South Fork Sacramento River, w end Gumboot Lake 1859 Comment
  HSC30683  Scirpus congdonii Frederick W. Oettinger, R. F. Thorne 1969-8-8 1290 Siskiyou Marble Mtn. Wilderness Area, Sundew Bog due E of English Lake outlet 1829 Comment
  POM211514  Scirpus congdonii L. C. Wheeler 1934-8-14 3126 Siskiyou North side White Mountain; Siskiyou Mountains. Mt. Diablo Mer. 1767 Comment
  JEPS124473  Scirpus microcarpus Daniel Slakey 2015-7-14 160 Siskiyou South side of Copco Lake. Along Ager-Beswick Rd. just south junction with Patricia Ave. Comment
  UC840945  Scirpus microcarpus L. E. Smith 1913-5-27 295 Siskiyou Weed Comment
  CAS-BOT-BC111099  Scirpus microcarpus David Daniels Keck 1946-7-14 5692 Siskiyou West Branch of Indian Creek, Takilma-Happy Camp road. 914 Comment
  JEPS117469  Sclerochloa dura Lowell Ahart, John Dittes 2010-7-30 16943 Siskiyou In the road tracks to the west edge of the Shasta River, about 30 yards south of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Gr 716 Comment
  UC61086  Sclerolinon digynum W. A. Setchell, C. C. Dobie 1902-7-21 Siskiyou Sisson; Mount Shasta Comment
  CAS-BOT-BC5855  Scorzonella pratensis Edward Lee Greene 1876-6-23 883 Siskiyou Yreka Comment
  CAS-BOT-BC243495  Scribneria bolanderi John Thomas Howell 1952-6-14 28346 Siskiyou 9.5 miles from Ft. Jones on road to Callahan Comment
  CHSC62563  Scutellaria antirrhinoides L. P. Janeway 1993-8-30 4571 Siskiyou Along Gumboot Creek just below Gumboot Lake. 1844 Comment
  JEPS95565  Scutellaria antirrhinoides Vernon H. Oswald and L. Ahart 1994-7-11 6406 Siskiyou T39N R5W SW1/4 SE1/4 Sec. 16, 4750 ft, Yellow Pine Forest. Forest Rd. 26 (to Mt. Shasta) paralleling the South Fork of the Sacramento River, just W of Forest Rd. 40N43, 9.2 mi SW of the dam at Lake Siskiyou. In rocks at the base of a steep roadcut. 1447 Comment
  JEPS24006  Scutellaria antirrhinoides Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6867 Siskiyou about 3 mi below (n of) Scott Mountain (road summit, on road to Callahan) 1219 Comment
  RSA60645  Scutellaria antirrhinoides Rodney Gregg 1948-08 s.n. Siskiyou Gazelle Mountain 1220 Comment
  CHSC71486  Scutellaria galericulata Vernon H. Oswald; Lowell Ahart 1998-7-21 9350 Siskiyou Northeast of Weed and south of Macdoel along Old State Highway on the west side of Bray. On the edge of the marsh. 1417 Comment
  UCD13291  Scutellaria siphocampyloides W. C. Overton Jr. 1977-6-26 s.n. Siskiyou Siskiyou CO. Scott Bar Mountains, beside Ridge Road, 3.15 miles from junction with Hawkinsville Road, northwest of Yreka. Elevation ca. 4750 feet. Comment
  CHSC118108  Sedum kiersteadiae Len Lindstrand III 2011-7-11 NSR- 11 Siskiyou Downslope of trail to lake near trailhead; UTM zone 10, 546913 east, 4563536 north, +/- 9 feet. 1777 Comment
  RSA233710  Sedum lanceolatum Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mts., Shasta-Trinity National Forest: ca. 15 air mi. SW of Weed near Kangaroo Lake Campground. Comment
  HSC90587  Sedum lanceolatum var. lanceolatum Jennifer Whipple 1976-7-9 1401 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2226 Comment
  CHSC33032  Sedum laxum subsp. heckneri M. A. Baker 1978-7-17 594 Siskiyou On the north bank of the Salmon River 5 k east of ... Field redacted by CHSC, contact the data manager for more information Comment
  HSC74917  Sedum obtusatum subsp. retusum J. P. Smith, Jennifer Whipple 1978-7-2 9968 Siskiyou Klamath National Forest, ridge trail E of Cook and Green Pass 1341 Comment
  CAS-BOT-BC64083  Sedum oregonense Doris K. Kildale 1928-7-4 5468 Siskiyou Summit of divide between Salmon river and Scott Valley. Comment
  RSA0035469  Sedum oregonense Peter F. Zika 2011-7-19 25647 Siskiyou Near Pacific Crest Trail, 1 air mile WNW of Copper Butte, Siskiyou Mountains, Klamath Range (KR). 1610 Comment
  JEPS2848 Image available Sedum purdyi Carl Purdy 1900-1 Siskiyou Etna Mills; ; Etna Mills, Siskiyou Co. Comment
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  JEPS83983  Sedum rosea subsp. integrifolium L. R. Heckard with J. Hickman et al. 1986-7-17 6520 Siskiyou e Condrey Mt. (Alex Hole, n facing cliffs); e of Condrey Mt., Alex Hole 1960 Comment
  UC205172  Sedum spathulifolium A. A. Heller 1905-6-1 7932 Siskiyou between Dunsmuir and Upper Soda Spring; between Dunsmuir and Upper Soda Spring Comment
  UCR37580  Sedum spathulifolium subsp. spathulifolium L. P. Janeway 1983-7-3 365 Siskiyou Ridgetop NW of Poker Flat. (Siskiyou crest) 1585 Comment
  JEPS82439  Sedum stenopetalum Gilbert Muth 1966-7-25 499 Siskiyou Marble Mt. Lookout , Marble Mt. Lookout (Marble Mt. Wilderness Area) 2097 Comment
  CAS-BOT-BC443954  Selaginella scopulorum Dana York 2014-10-11 3226 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain Wilderness, a few meters S and above Deep Lake. 1935 Comment
  RSA641069  Selaginella wallacei Louis Cutter Wheeler 1963-8-28 8293 Siskiyou Siskiyou Mountains: Clear Creek ca. 1 mile downstream from West Fork. 640 Comment
  CAS-BOT-BC363420  Senecio aronicoides A. M. Vollmer; L. Beane 1951-5-31 31 Siskiyou Near highway, Scott Mountain Comment
  UCD135520  Senecio aronicoides Wm. E. Moon 1958-5-29 s.n. Siskiyou Hebron summit, State Highway 97. 1584 Comment
  JEPS93892  Senecio hydrophilus Vernon H. Oswald and Lowell Ahart 1998-7-21 9348 Siskiyou ne of Weed and s of Macdoel (along Old State Highway on the w side of Bray); Bray, Old State Highway 1417 Comment
  CDA8622  Senecio hydrophilus T. C. Fuller 1958-9-12 1246 -58 Siskiyou Highway 99, 5 miles south of Yreka. 0 Comment
  JEPS101379  Senecio integerrimus var. exaltatus Dean W. Taylor 1997-6-12 16057 Siskiyou hillslopes at base of Scott Mountains at mouth of Willow Creek, Shasta Valley); ca. 4 miles west of Gazelle 944 Comment
  UC166169  Senecio integerrimus var. exaltatus Geo. D. Butler 1910-5-10 1332 Siskiyou Goosenest foothills Goosenest 1524 Comment
  HSC23649  Senecio integerrimus var. major J. O. Sawyer 1969-6-12 934 Siskiyou Along Duck Lake Creek trail 1905 Comment
  HSC22188  Senecio triangularis J. O. Sawyer 1969-8-5 1756 Siskiyou W of Little Duck Lake 2073 Comment
  OBI53729  Senecio triangularis David J. Keil, Kathleen Keil 1992-7-19 23468 Siskiyou Klamath NF. 1.4 mi NE of Salmon Mtn Summit on Sawyers Bar rd, SW of Etna Comment
  POM198619  Setaria viridis Geo D. Butler 1910-7-29 1796 Siskiyou Yreka Comment
  JEPS83879  Sidalcea glaucescens Wayne Roderick Jul 1976 Siskiyou vicinity Cook and Green Pass (along trail to Lily Pad Lake); Siskiyou Mts. 1706 Comment
  RSA105512  Sidalcea hartwegii Douglas Barbe 1955-7-26 271 Siskiyou Along a dry ditch on the northwest slope of Scott Mt 1829 Comment
  SDSU8173  Sidalcea malviflora subsp. asprella D. F. Howe 1965-8-8 4126 Siskiyou Saddle south of Little Grayback, Klamath National Forest 1402 Comment
  CHSC1055  Sidalcea oregana subsp. oregana K. Jaekel 1939-7-4 Siskiyou Black Butte meadows, near Mt. Shasta. 1158 Comment
  RSA518677  Sidalcea oregana subsp. oregana W. L. Jepson 1940-6-28 20062 Siskiyou McCloud. 976 Comment
  JEPS67261  Sidalcea oregana subsp. spicata Geo. D. Butler 1909-6-22 905 Siskiyou Goosenest Mt. Comment
  JEPS100205  Silene campanulata subsp. glandulosa Dean W. Taylor 2002-6-10 18119 Siskiyou Scott Mountain, Forest Road 40N08 0.25 miles E of the junction with Highway 3 (3 miles NE from Scott Mountain summit) 1341 Comment
  RSA120891  Silene campanulata subsp. greenei Milo S. Baker 1957-6-16 13157 Siskiyou Trip to Scott Mt. after turn off near Callahan. Comment
  HSC19524  Silene douglasii J. O. Sawyer 1969-8-1 1629 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  JEPS44102  Silene douglasii W. B. and V. G. Cooke 1965-7-12 35180 Siskiyou Mt. Shasta Mt. Shasta (Bolam Road) 1524 Comment
  HSC101158  Silene grayi Dana York 2011-8-12 3051 Siskiyou Klamath National Forest, Marble Mountain ridge 2058 Comment
  HSC58861  Silene grayi Marvin Butler 1971-7-11 92 Siskiyou Near Youngs Valley, close to the town of Cave Junction 1403 Comment
  SJSU2571  Silene grayi H. L. Buckalew 1962-7-12 Siskiyou near Poker Flat c. 4 mi W of junction of Indian Cr with W Branch of Indian Cr, Siskiyou Mts 1143 Comment
  RSA166259  Silene grayi H. Dearing, M. Dearing 1939-7-1 3787 Siskiyou Salmon Mts. 1829 Comment
  UCD98593  Silene grayi M. A. Showers 1981-8-8 2017 mas Siskiyou between Shastina and Mt. Shasta at head of Cascade Gulch. 2804 Comment
  HSC64678  Silene lemmonii J. O. Sawyer 1977-7-6 3037 Siskiyou Trail to Sugar Lake 2 mi. below lake 1707 Comment
  UC1185943  Silene lemmonii L. E. Detling 1950-6-9 6601 Siskiyou Hwy 99 Black Butte Summit (Hwy 99) (Black Butte Summit) 1188 Comment
  CAS-BOT-BC75158  Sisymbrium altissimum L. B. Kildale 1930-5-31 9812 Siskiyou Island in Klamath River near Camp Lowe. Comment
  HSC6908  Sisymbrium altissimum D. M. Thomson 1965-7-17 147 Siskiyou Lava Beds National Monument, N boundary road by Canbys Cross Comment
  CHSC57538  Sisyrinchium douglasii Lyna R. Black 1990-4-11 3 Siskiyou Approx. 1/2 mi ne of Yreka. N slope of hill. 822 Comment
  CAS-BOT-BC5742  Sisyrinchium greenei H. E. Brown 1897-6-11 351 Siskiyou North side of Mt. Shasta 2743 Comment
  UC3864  Smilacina racemosa T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC1045313  Smilax californica W. Bridge Cooke 1940-6-20 15158 Siskiyou along Pacific Highway (along river bank); Klamath River Gorge 609 Comment
  JEPS84278  Solanum umbelliferum L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6311 Siskiyou Indian Creek Road from Takilma to Happy Camp (just s of state line) Comment
  RSA427345  Solanum umbelliferum Christopher Davidson 1975-6-5 2653 Siskiyou 9.1 miles W of Gazelle on road to Callahan. Klamath National Forest. 1120 Comment
  POM259775  Solidago canadensis subsp. elongata W. Bridge Cooke 1938-8-19 11510 Siskiyou Near the overflow creek from the Mount Shasta City Reservoir. 1220 Comment
  POM58755  Solidago canadensis subsp. elongata Copeland 1903-8-12 3823 Siskiyou Sisson. Comment
  CAS-BOT-BC365579  Solidago elongata Copeland 1903-8-12 3823 Siskiyou Sisson Comment
  JEPS32376  Solidago elongata W. L. Jepson 1914-8-13 5797 Siskiyou Sisson 1097 Comment
  JEPS80578  Solidago elongata Gilbert Muth 1965-8-3 146 Siskiyou Marble Valley , Marble Valley (Marble Mt. Wilderness Area) 1792 Comment
  POM57043  Solidago multiradiata E. B. Copeland 1903-8-18 3843 Siskiyou Mt. Eddy. Comment
  UC36211  Solidago velutina subsp. californica State Survey c. 1889 Siskiyou Shasta Region Comment
  UC446912  Solidago velutina subsp. californica L. F. Henderson 1929-8-24 11469 Siskiyou near Takilma, Oregon (but over the line in California); near Takilma, Oregon but over the line in California Comment
  CAS-BOT-BC157325  Sorbus californica Wm. Bridge Cooke 1939-6-30 13576 Siskiyou Along the Sisson Southern Trail Comment
  RSA105360  Sorbus californica G. D. Barbe 1955-7-9 155 Siskiyou S side of Kangaroo Lake. Scott Mtns. 1829 Comment
  CAS-BOT-BC158927  Sorbus scopulina Alice Eastwood 1912-9-3 2083 Siskiyou North fork Sisson Comment
  CAS-BOT-BC158934  Sorbus scopulina W. R. Dudley 1901-8-1 s.n. Siskiyou Salmon Mountains Comment
  UC466712  Sorbus scopulina Annie M. Alexander and Louise Kellogg 1911-8-23 341 Siskiyou Castle Lake 1656 Comment
  CAS-BOT-BC158933  Sorbus scopulina W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountains Comment
  RSA531259  Sorbus sitchensis subsp. californica Walter Wisura, D. Grzanna 1991-9-3 4573 Siskiyou SE shore of Castle Lake W of town of Mt. Shasta. Comment
  HSC29288  Sparganium angustifolium Frederick W. Oettinger 1969-8-22 1507 Siskiyou Marble Mtn. Wilderness Area, NW shore line of Horse Range Lake 1829 Comment
  HSC30220  Spergularia rubra William J. Ferlatte 1968-6-8 1126 Siskiyou Mountain Meadow Ranch. 1524 Comment
  HSC63488  Spergularia rubra M. A. Baker 1978-5-20 585 Siskiyou Happy Camp Comment
  RSA472772  Spiraea densiflora Louis C. Wheeler 1934-8-14 3125 Siskiyou North side White Mountain; Siskiyou Mountains. 1768 Comment
  UC454960  Spiraea densiflora I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1828 Comment
  RSA472783  Spiraea douglasii Louis C. Wheeler 1934-8-16 3176 Siskiyou 2 miles SE White Mtn. Siskiyou Mtns. 1738 Comment
  SBBG25910  Spiraea douglasii D. Myrick 1966-8-8 1485 Siskiyou Big Flat Cmpgrd, Mtn Meadow Ranch, Big Flat 1828 Comment
  CAS-BOT-BC421466  Spiraea splendens A. A. Heller 1916-7-22 12484 Siskiyou East side of Mt. Eddy 1676 Comment
  HSC64782  Spiraea splendens var. splendens J. P. Smith, Steve Selva 1970-7-17 4447 Siskiyou Below Kangaroo Lake. 1890 Comment
  HSC71  Spiraea splendens var. splendens William J. Ferlatte 1967-7-25 731 Siskiyou Caribou Basin 1982 Comment
  HSC18956  Spiranthes romanzoffiana J. O. Sawyer 1969-8-4 1866 Siskiyou Slope SW of South Sugar Lake 2195 Comment
  HSC26908  Spiranthes romanzoffiana J. P. Smith, J. O. Sawyer 1971-9-17 4774 Siskiyou Little Duck Lake outlet Comment
  UCLA70760  Stachys ajugoides var. rigida C. G. Pringle 1881-8-16 Siskiyou Comment
  HSC27628  Stachys pycnantha Carl W. Mize 1972-8-17 102 Siskiyou Above Gates Creek 488 Comment
  HSC27097  Stachys rigida J. P. Smith, J. O. Sawyer 1972-9-14 5808 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  HSC42888  Stachys rigida Ken Stillman 1976-8-15 404 Siskiyou Along Specimen Creek 915 Comment
  UCR47858  Stachys stricta 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
  CAS-BOT-BC181420  Stellaria calycantha Wm. Bridge Cooke 1940-8-22 15457 Siskiyou Common near springs in Mud Creek Canyon, especially near Clear Creek - Mount Shasta 1981 Comment
  POM101769  Stellaria media Geo. D. Butler 1909-3-19 559 Siskiyou Yreka Creek. Comment
  UCD139815  Stenanthium occidentale J. M. Tucker; L. K. Mann, Sandra L. Holloway 1963-8-18 3747 Siskiyou Upper Canyon Creek, ca. 0.5 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area. 1920 Comment
  JEPS36869  Stephanomeria lactucina Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Mt. Shasta Region of the Upper Sacramento Comment
  UC1394171  Stephanomeria paniculata unknown 1966-7-24 6679 Siskiyou near Mt. Shasta 1.25 mi post (Shasta Ski Bowl Road); Mt. Shasta 1219 Comment
  CAS-BOT-BC375942  Stephanomeria virgata Louis C. Wheeler 1934-7-17 2912 Siskiyou Klamath National Forest. Cottonwood Creek 1036 Comment
  HSC18975  Stipa occidentalis var. californica J. O. Sawyer 1969-7-19 1428 Siskiyou SW facing slope above Deacon Lee Trail 2180 Comment
  SACT002412  Stipa stillmanii Verne Grant, Irving Schneider 1947-8-26 Siskiyou On lava plateau Comment
  SD98975  Stipa thurberiana Darley F. Howe 1977-7-5 4996 Siskiyou 15 miles southeast of Granada. 1219 Comment
  CHSC4552  Streptanthus J. E. Bowlin 1967-7-18 70 Siskiyou Beside road, ca. 2.7 mi w of Mount Shasta Ski Bowl. 2194 Comment
  CAS-BOT-BC87847  Streptanthus tortuosus John Thomas Howell 1939-8-2 14891 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  UC1312955  Streptopus amplexifolius var. americanus J. M. Tucker 1963-8-19 3771 Siskiyou headwaters of Canyon Creek; Marble Mountain Wilderness Area 1950 Comment
  UCD138354  Stuckenia pectinata Verne Grant; Irving Schneider 1947-8-26 8289 Siskiyou 1/2 mile west of Tulelake. Comment
  CHSC63603  Symphoricarpos albus var. laevigatus Vernon H. Oswald; Lowell Ahart 1994-8-10 6460 Siskiyou FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi W of Harris Spring Rd. (FS15), ca. 4 mi (air) NNE of Bartle. 1359 Comment
  CAS-BOT-BC234800  Symphoricarpos mollis A. A. Heller 1915-8-24 12202 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  JEPS66686  Symphoricarpos mollis Geo. D. Butler 1908-8-21 90 Siskiyou Etna Creek 1219 Comment
  UC164072  Symphoricarpos mollis Geo. D. Butler 1908-8-21 90 Siskiyou Etna Creek Comment
  UC61064  Symphoricarpos mollis W. A. Setchell, C. C. Dobie 1902-7-15 Siskiyou Sisson; Mount Shasta Comment
  CAS-BOT-BC97580  Symphyotrichum ascendens W. R. Dudley 1899-8-13 s.n. Siskiyou Nabar Meadows, near McCloud Comment
  HSC40421  Symphyotrichum ascendens J. O. Sawyer 1973-7-16 2539 Siskiyou Wooley Creek at junction with Bridge Creek. Comment
  JEPS40764  Symphyotrichum bracteolatum Geo. D. Butler 1910-8-13 1828 Siskiyou Oro Fino Comment
  CAS-BOT-BC97949  Symphyotrichum frondosum A. A. Heller 1917-9-7 12977 Siskiyou Shasta Valley two miles south of Grenada 914 Comment
  CAS-BOT-BC98439  Symphyotrichum spathulatum C. Edward Graves 1944-8-1 s.n. Siskiyou Mt. Shasta Comment
  SBBG25856  Tanacetum vulgare D. Myrick 1966-8-13 1552 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  CAS-BOT-BC81338  Taxus brevifolia Edward Lee 1934-8-11 1039 Siskiyou Walker Creek, a tributary of the Klamath River (east end of Seiad Valley) 609 Comment
  CAS-BOT-BC85239  Taxus brevifolia Doris K. Kildale 1928-7-4 5475 Siskiyou 3 miles west of summit of divide between Sawyers Bar & Etna Mills Comment
  RSA605357  Taxus brevifolia L. C. Wheeler 1959-7-25 7596 a Siskiyou Marble Mountains: Camp Three, Rogers Creek Comment
  SBBG18641  Taxus brevifolia M. A. Piehl 1956-8-14 Siskiyou rd to Happy Camp (N of) Comment
  SD88458  Tellima grandiflora Darley F. Howe 1972-7-5 Siskiyou 0.6 miles south of Oregon State line on road to Happy Camp 1707 Comment
  UC163881  Tetradymia canescens Geo. D. Butler 1909-6-27 955 Siskiyou Shasta Rim hills Shasta Rim Comment
  UC221543  Thelypodium brachycarpum H. E. Brown Jun 15 1897-Jun 30 1897 469 Siskiyou n side Mt. Shasta 1524 Comment
  CAS-BOT-BC88116  Thelypodium laciniatum Frank W. Peirson 1923-7-19 3734 Siskiyou Laird's Landing. Comment
  CAS-BOT-BC77736  Thelypteris nevadensis Louis C. Wheeler 1934-8-21 3191 Siskiyou East Fork Horse Creek, Siskiyou Mts. 1219 Comment
  CAS-BOT-BC77744  Thelypteris nevadensis W. B. C. 1956-7-16 30292 Siskiyou Above Hotlum Station, north side of Mount Shasta 1676 Comment
  RSA237510  Thelypteris nevadensis Frederick W. Oettinger 1968-9-4 694 Siskiyou Shore line of Abbotts Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  JEPS54044  Thlaspi montanum var. montanum J. W. Kisling 1910-4-20 Siskiyou Edgewood Comment
  UC165981  Thlaspi montanum var. montanum Geo. D. Butler 1908-6-27 119 Siskiyou Forest House Mountain Comment
  RSA0049970  Thysanocarpus radians A. A. Heller 1929-5-14 14856 Siskiyou In a field along U.S. Highway #99, 2 miles south of Yreka. Comment
  POM169142  Tofieldia glutinosa subsp. occidentalis E. B. Copeland 1903-9-7 3864 Siskiyou Mt. Eddy 2439 Comment
  UC1001156  Tofieldia occidentalis subsp. occidentalis Dorothy Parker 1953-7-29 Siskiyou summit of Scott Mountain Siskiyou Mountains 1630 Comment
  CAS-BOT-BC447627  Tolmiea menziesii Dorothy Parker 1960-7-4 118 Siskiyou Moist granitic sand along stream. Salmon Mts. 1767 Comment
  SD264755  Torilis arvensis Tracey G. Call, Viola Call 1964-6-22 2277 Siskiyou Near Klamath river Ao mile east of mouth of Beaver Creek. 487 Comment
  HSC6300  Tragopogon dubius R. C. Wunner 1965-9-8 507 Siskiyou California Lava Beds National Monument; Across road from Red Butte. 1570 Comment
  OBI53788  Tragopogon dubius David J. Keil 1992-7-20 23470 Siskiyou W side of Scott Valley, 4.9 mi N of Etna along Calif Rte 3 875 Comment
  UC133248  Tragopogon porrifolius Copeland 1903-8-14 3886 Siskiyou Sisson Comment
  UCD117589  Trientalis latifolia James P. Smith 1973-5-5 6401 Siskiyou in and around the O'Neill Campground near Seiad Valley. 487 Comment
  HSC70495  Trifolium eriocephalum J. P. Smith, Steve Selva 1970-6-16 4016 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  CHSC88102  Trifolium eriocephalum subsp. eriocephalum Jenny Marr 1993-7-1 112 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  POM28034  Trifolium eriocephalum subsp. eriocephalum Geo. D. Butler 1909-6-13 978 Siskiyou Moffitt Creek Comment
  UC54389  Trifolium eriocephalum var. eriocephalum H. M. Hall and E. B. Babcock 1903-6-15 4076 Siskiyou near Upton; Sierra Nevadas, Mount Shasta 1219 Comment
  UC968606  Trifolium eriocephalum var. eriocephalum C. L. Hitchcock and J. S. Martin 1939-7-7 5276 Siskiyou ca 13 mi s Takilma (Oregon); Sanger Peak Trail Comment
  HSC2319  Trifolium howellii Geo. D. Butler 1910-7-8 1689 Siskiyou Shackleford Creek 1220 Comment
  HSC42955  Trifolium howellii J. O. Sawyer, Ken Stillman 1976-7-1 2782 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  JEPS48898  Trifolium howellii Geo. D. Butler 1908-8-3 385 Siskiyou below Log Lake (canyon, Shackleford Creek) Comment
  RSA237887  Trifolium howellii Frederick W. Oettinger 1968-7-17 557 Siskiyou Pine Lake Meadow. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1875 Comment
  HSC58923  Trifolium longipes Marvin Butler 1971-7-6 20 Siskiyou Near El Capitan, close to Cave Junction 1 Comment
  POM27525  Trifolium longipes subsp. elmeri Geo. D. Butler 1910-6-5 1507 Siskiyou Shackleford Creek Comment
  HSC92942  Trifolium longipes subsp. shastense Jennifer Whipple 1977-7-20 1993 Siskiyou N slopes of Mount Eddy 2500 Comment
  JEPS33206  Trifolium longipes var. elmeri John Gill Lemmon 1889-6-28 Siskiyou Mt. Eddy Comment
  UC70388  Trifolium longipes var. hansenii Milo S. Baker 1898-8-1 491 Siskiyou Paynes Springs Comment
  UCD111340  Trifolium macrocephalum B. Crampton 1959-4-1 s.n. Siskiyou Ernie Solus ranch; Dryland pasture, Edgewood area. 914 Comment
  JEPS65972  Trifolium microcephalum Geo. D. Butler 1908-6-28 380 Siskiyou Butler's Ranch Quartz Valley Comment
  JEPS109396  Trifolium pratense Dean W. Taylor 2004-7-19 19190 Siskiyou Weed, wet meadow just east of town limits along Boles Creek 1051 Comment
  POM20461  Trifolium variegatum E. B. Copeland 1903-7-7 3554 Siskiyou Hornbrook. Comment
  UC630703  Trifolium wormskioldii A. A. Heller 1919-6-25 13285 Siskiyou Compton's Prairie se base of Mt. Eddy 1158 Comment
  HSC18968  Trillium ovatum G. L. Clifton, Griswold 1979-6-28 6140 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 Comment
  HSC48298  Trillium ovatum P. Stekel, K. T. Stillman May 1977 233 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  HSC27975  Trillium ovatum Carl W. Mize 1972-9-23 128 Siskiyou Along Gates Creek 762 Comment
  UC1258118  Trillium ovatum subsp. oettingeri Eric F. Heinitz 1980-6-9 11 Siskiyou just w. of meadow ca. 1/2 mi. w. of Slagger Camp Station 1463 Comment
  UC1409312  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-5 932 Siskiyou along n.e. shore of Taylor fLake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble Comment
  RSA238974  Trisetum spicatum Frederick W. Oettinger 1968-8-22 593 Siskiyou between English Peak and Diamond Lake; Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UC1265464  Trisetum spicatum Frederick W. Oettinger 1968-8-22 593 Siskiyou slopes between English Peak and Diamond Lake (w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area Comment
  HSC76956  Trisetum spicatum K. T. Stillman 1976-9-9 477 Siskiyou Marble Mtn. Wilderness Area, N, NE and E side of Black Mtn. Comment
  HSC73275  Triteleia bridgesii Gail Newton 1980-6-20 471 Siskiyou Near Bald Mtn. 1097 Comment
  CAS-BOT-BC133486  Triteleia crocea Alice Eastwood; John Thomas Howell 1934-4-20 1741 Siskiyou Near Yreka on Ft. Jones road Comment
  UC15048  Triteleia crocea Harley P. Chandler June, 1901 1695 Siskiyou Shackleford Canyon North Coast Ranges (near Marble Mountain) 2133 Comment
  JEPS52321  Triteleia crocea var. crocea Wayne Roderick 1965-6-6 Siskiyou ca. 4 mi. e. Little Grayback Peak (ridge above headwaters of Indian Creek, Siskiyou Mts.); Siskiyou Mts. Comment
  CAS-BOT-BC522345  Triteleia hyacinthina Arthur L. Menzies s.n. Siskiyou Morgan Meadows, near Mt. Eddy Sacramento District, Shasta National Forest Comment
  JEPS46774  Tsuga mertensiana W. L. Jepson 1907-7-1 Siskiyou near Marble Mt. Comment
  LA6319  Tsuga mertensiana W. B. C.; 1939-8-24 13895 Siskiyou Mount Shasta, around the middle Squaw Valley Creek meadows, between Panther Creek and Mud Creek Canyon 2377 Comment
  CAS-BOT-BC74095  Turritis glabra John Thomas Howell 1937-7-21 13201 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  UC1240171  Typha latifolia Verne Grant and Irving Schneider 1947-8-25 8284 Siskiyou near road to Lava Beds w side Tule Lake; w side of Tule Lake near road to Lava Beds Comment
  JEPS43439  Urtica dioica subsp. holosericea Geo. D. Butler 1908-7-11 528 Siskiyou near Yreka (Butler Creek); Butler Creek Comment
  UC164159  Urtica dioica subsp. holosericea Geo. D. Butler 1910-6-30 1616 Siskiyou Yreka Creek Comment
  RSA211434  Vaccinium cespitosum William J. Ferlatte 1966-7-7 205 Siskiyou Caribou Basin. 1982 Comment
  CAS-BOT-BC199228  Vaccinium membranaceum John Thomas Howell 1939-8-2 14871 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC19371  Vaccinium membranaceum J. O. Sawyer 1968-6-18 174 Siskiyou Above S Russian Creek on W side. 1463 Comment
  CAS-BOT-BC199475  Vaccinium parvifolium Doris K. Kildale 1929-7-20 8618 Siskiyou Trail up South Fork of Indian Creek to Elk Lick Comment
  SD230222  Vaccinium parvifolium Louis C. Wheeler 1959-7-25 7600 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  HSC19096  Vaccinium scoparium J. O. Sawyer 1969-8-1 1657 Siskiyou Along trail to Little Duck Lake 1951 Comment
  HSC19246  Vaccinium scoparium J. O. Sawyer 1969-8-1 1655 Siskiyou Along trail to Little Duck Lake 1951 Comment
  SBBG26966  Valerianella locusta L. C. Wheeler 1935-5-11 3485 Siskiyou Siskiyou Mtns 609 Comment
  HSC67681  Vancouveria hexandra John Palmer 1980-7-24 622 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  SD88292  Vancouveria hexandra Darley F. Howe 1972-7-5 Siskiyou 0.6 miles south of Oregon State Line on road to Happy Camp 1705 Comment
  CAS-BOT-BC527987  Veratrum W. R. Dudley 1909-8-18 s. n. Siskiyou Near Jacksons Lake Comment
  RSA183712  Veratrum californicum Gilbert Muth 1965-8-3 151 Siskiyou Marble Valley, Marble Mts. Comment
  HSC36208  Veratrum californicum var. californicum John Rehling 1975-8-11 104 Siskiyou S end of Little Duck Lake Comment
  JEPS62206  Veratrum californicum var. californicum Geo. D. Butler 1908-8-3 534 Siskiyou Log Lake Comment
  CAS-BOT-BC135747  Veratrum insolitum Ira L. Wiggins 1955-7-24 13484 Siskiyou Ridge between upper reaches of China Creek and Blind Horse Creek 1280 Comment
  JEPS39294  Veratrum insolitum W. Roderick 1965-6-8 Siskiyou 12.1 road mi ne Cecilville 1219 Comment
  HSC69439  Veratrum viride John Palmer 1980-8-13 792 Siskiyou Klamath National Forest, Dead Cow Creek near F.S. Rd. 47N44 from Beaver Creek Rd. 1616 Comment
  CAS-BOT-BC527061  Veratrum viride var. eschscholzianum Gilbert Muth 1965-8-3 s.n. Siskiyou Marble Valley Comment
  UC455538  Verbascum blattaria I. J. Condit 1911-7-7 Siskiyou Shasta Retreat Comment
  UCR24867  Verbascum blattaria Don Emery 1981-9-10 s.n. Siskiyou Vacant lot between buildings in the town of Weed Comment
  UCR78452  Verbascum blattaria Scott D. White, Julie Greene 1993-8-24 1839 Siskiyou Klamath River, 'Presidio Bar' (off Hwy 96) 152 Comment
  POM69590  Verbena lasiostachys var. lasiostachys Geo. D. Butler 1910-7-2 1621 Siskiyou Near Yreka. Comment
  CDA6413  Veronica triphyllos T. C. Fuller 1961-5-16 6947 Siskiyou Behind El Rancho Motel, Yreka. 0 Comment
  HSC36869  Vicia americana var. americana J. P. Smith 1974-5-26 7544 Siskiyou Along FS Rd. 47N03 1524 Comment
  UC618756  Vicia americana var. americana unknown 1938-6-24 11072 Siskiyou MacBridge Springs; Mount Shasta Comment
  POM349912  Vicia americana var. americana M. B. Dunkle 1944-6-27 9052 Siskiyou Siskiyou National Forest 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
  CAS-BOT-BC264058  Viola adunca Copeland 1903-8-14 3721 Siskiyou Sisson Comment
  CAS-BOT-BC264072  Viola adunca Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mountains 1828 Comment
  HSC41056  Viola adunca J. O. Sawyer 1969-7-7 1069 Siskiyou Above Little Duck Lake 2073 Comment
  HSC76628  Viola adunca K. T. Stillman 1976-6-26 117 Siskiyou Marble Mountain Wilderness Area 1829 Comment
  CAS-BOT-BC264075  Viola adunca Ella Dales Cantelow 1936-5-20 1447 Siskiyou N slope of Scott Mountain Comment
  HSC19089  Viola adunca var. adunca J. O. Sawyer 1969-6-13 1069 Siskiyou W of Little Duck Lake 2043 Comment
  HSC91247  Viola adunca var. adunca Jennifer Whipple 1976-6-17 1024 Siskiyou Near Durney Lake 2073 Comment
  RSA31634  Viola beckwithii A. A. Heller 1929-5-4 14862 Siskiyou Near Edgewood. Comment
  SEINET185378 Image available Viola cuneata C. L. Hitchcock, J. S. Martin 1939-7-7 5271 Siskiyou Sanger Peak Trail, ca. 13 miles south of Takilma, Oregon. 1070 Comment