Search Results — 2000 specimen records retrieved (1349 records with coordinates)
(That's the default maximum. Contact Jason Alexander for larger data requests.)

Results for search: County=SISKIYOU; Source=All;   

Mapping Options:

BerkeleyMapper with county and bioregion layers
BerkeleyMapper without layers.
KML export
(Note: only records with coordinates are mappable)

Download Options:
Select all records · Select records with coordinates

Include annotations and voucher information

PLEASE NOTE: Due to changes in newer versions of Excel, directly copying text from the above selected results does not produce a usable table.
    Follow these steps:
      1. The contents of the selected results window must be copied into a text editor like TextEdit for Mac or WordPad for Windows
      2. The selected results must be saved as a new text document.
      3. This new text document can now be copied into Excel or imported as a tab delimited text file.

(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

Click on column header to sort data (* sorts by family); click in leftmost checkbox to select record. CCH Help Page.
Turn on yellow flags to show possible range discrepancies. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC32568  Abies X shastensis Steven Lagos 1974-5-26 91 Siskiyou Duck Lake Creek drainage 1524 Comment
  HSC67695  Abies X shastensis John Palmer 1980-7-24 577 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  SJSU2195  Abies amabilis Mary B. Smith 9/1958 Siskiyou on promontory jutting into N side of Big Hancock Lake Marble Mountains Comment
  HSC100315  Abies concolor G. L. Clifton, Griswold 1979-6-28 6127 Siskiyou Near Upper Devils Peak, close to the town of Seiad Valley 1738 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
  CAS-BOT-BC73509  Abies concolor Doris K. Kildale 1929-8-24 9058 Siskiyou Rattlesnake Meadow, Preston Peak. 1676 Comment
  HSC4998  Abies lasiocarpa J. O. Sawyer 1969-8-4 1921 Siskiyou Headwaters of S Sugar Creek. 2043 Comment
  HSC4910  Acer glabrum var. torreyi J. O. Sawyer 1968-9-13 710 Siskiyou W of the Happy Camp/O'Brien Rd. between Louse Creek and Indian Creek, on the E slopes of Little Grayback 1463 Comment
  UC166168  Acer negundo var. interior Geo. D. Butler 1910-5-22 1384 Siskiyou Yreka Creek Comment
  CAS-BOT-BC28857  Achillea millefolium William Bridge Cooke 1939-8-10 13873 Siskiyou In one small area on the west bank of Mud Creek Canyon 2895 Comment
  UC890998  Achillea millefolium unknown 1915-7-18 Siskiyou northest base of Mt. Eddy Metcalf's ranch; Mt. Eddy 1188 Comment
  RSA78324  Achlys triphylla P. A. Munz 1952-7-1 17859 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 Comment
  SEINET13759128  Acmispon denticulatus R. R. Halse 2016-5-29 9718 Siskiyou Along Hilt Road, ca 2.1 miles NW of Hilt on the OR/CA state line. 876 Comment
  HSC30775  Acmispon nevadensis J. P. Smith, J. O. Sawyer 1972-5-28 5373 Siskiyou 1.2 mi. E. of Jackson Creek on Callahan-Cecilville Rd., Klamath National Forest 1341 Comment
  HSC36  Aconitum columbianum subsp. columbianum William J. Ferlatte 1966-8-3 292 Siskiyou Josephine Lake basin 1677 Comment
  CAS-BOT-BC391524  Aconitum columbianum subsp. columbianum H. E. Brown 1897-6-15 514 Siskiyou On the North side of Mt. Shasta 2743 Comment
  CAS-BOT-BC412914  Aconogonon davisiae John Thomas Howell 1939-8-2 14897 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC54722  Aconogonon davisiae Overton, Butler 1979-7-26 10116 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 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
  CAS-BOT-BC418816  Aconogonon phytolaccifolium Doris K. Kildale 1928-8-18 6499 Siskiyou Near head of north fork of Salmon River at Finley's Upper Camp 1524 Comment
  CAS-BOT-BC29318  Adenocaulon bicolor L. E. Smith 1913-7-1 428 Siskiyou Dunsmuir Comment
  CAS-BOT-BC29324  Adenocaulon bicolor W. B. Cooke; V. G. Cooke 1962-8-17 33525 Siskiyou Bear Springs, Mount Shasta 1524 Comment
  UC371160  Adiantum aleuticum G. D. Butler 1908-8-8 242 Siskiyou Wooly Creek 1676 Comment
  UC1408850  Adiantum aleuticum Frederick W. Oettinger 1968-9-1 644 Siskiyou ssw Abbotts Lake; Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1798 Comment
  SEINET3868489 Image available Adiantum pedatum J. P. Smith, Steve Selva 1970-7-15 4349 Siskiyou Road to Happy Camp.; 0 732 Comment
  RSA238533  Agastache urticifolia Frederick W. Oettinger 1969-7-31 1117 Siskiyou E-facing slope, due NWW. of English Lake outlet. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  CAS-BOT-BC29444  Ageratina occidentalis Carl B. Wolf 1927-8-26 1081 Siskiyou On the Klamath River, 5 mi below Hamburg Comment
  RSA50159  Ageratina occidentalis E. K. Balls 1949-7-10 13951 Siskiyou 1.5 miles from Finlay Camp, road from Etna to Sawyer's Bar. 817 Comment
  JEPS101308  Agoseris aurantiaca var. aurantiaca Dean W. Taylor 1999-8-12 17313 Siskiyou Mill Creek headwaters, Marble Mountains (ca. 4 miles W of Mugginsville, Quartz Valley) 1889 Comment
  UC1409462  Agoseris aurantiaca var. aurantiaca Frederick W. Oettinger 1968-8-14 518 Siskiyou Midway between Tom Taylor Cabin and English Peak Lookout, the High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1996 Comment
  CHSC69064  Agoseris glauca var. monticola Vernon Oswald; Lowell Ahart 1997-7-28 8797 Siskiyou Schonchin Spring Campground at Medicine Lake. 2057 Comment
  CDA316  Agoseris grandiflora T. C. Fuller 1965-6-1 13587 Siskiyou West side of Highway 99 to Grenada, 4 miles south of Yreka. 0 Comment
  RSA264989  Agoseris retrorsa Gilbert Muth 1975-7-28 10065 Siskiyou Near Cook and Green Pass, near Seiad Valley 1524 Comment
  CAS-BOT-BC13468  Agoseris retrorsa Alice Eastwood 1912-6-17 1171 Siskiyou Sisson Comment
  CAS-BOT-BC126985  Agrostis exarata Ira L. Wiggins 1955-7-22 13453 Siskiyou In South Fork of Salmon River, 9.5 miles above Cecilville. 1066 Comment
  HSC76679  Agrostis exarata K. T. Stillman 1976-7-30 329 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  UCD52414  Agrostis exarata A. A. Heller 1915-7-18 12114 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1249 Comment
  CHSC88380  Agrostis exarata var. monolepis Jenny Marr 1993-7-1 185 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UCD52996  Agrostis idahoensis A. H. Murphy 1954-8-11 54 -F Siskiyou Round Meadow, Klamath National Forest, U.S.F.S. 1676 Comment
  CAS-BOT-BC139349  Agrostis idahoensis W. R. Dudley 1899-8-15 s.n. Siskiyou Toward Black Fox. Comment
  CAS-BOT-BC139138  Agrostis oregonensis Alice Eastwood 1921-7-25 10834 Siskiyou Bigelows McCloud River. Comment
  HSC22462  Agrostis pallens J. O. Sawyer 1969-7-24 1471 Siskiyou NW facing slope SW of Sugar lake. 1829 Comment
  RSA603997  Agrostis pallens L. C. Wheeler 1934-8-14 3144 Siskiyou White Mountain: East end. 1767 Comment
  HSC65670  Agrostis scabra Donald W. Miles 1979-7-23 22 Siskiyou 8 mi. N of Pondosa CDF station, short road spur off of Short Grade Rd. 1012 Comment
  UC1153941  Agrostis scabra Alfred H. Murphy 1957-8-16 56 W Siskiyou Tangle Blue Lake Klamath National Forest 1767 Comment
  UCD53604  Agrostis stolonifera Beecher Crampton 1956-8-22 3868 Siskiyou Wagon Camp Road, about 5.5 miles SW of Panther Meadow, lower south slopes of Mt. Shasta. 1645 Comment
  HSC30585  Agrostis thurberiana Frederick W. Oettinger 1968-9-7 757 Siskiyou Marble Mtn. Wilderness Area, W shore of Hancock Lake. 1936 Comment
Read comments
Feb 29 2012
  HSC30586  Agrostis thurberiana Frederick W. Oettinger 1969-8-22 1503 Siskiyou Salmon Mountains, Horse Range Lake, S of Horse's Hole Pond. 1875 Comment
  HSC91586  Agrostis thurberiana Jennifer Whipple 1977-8-6 2214 Siskiyou SW of Dobkins Lake, along drainage into lake. 2256 Comment
  CAS-BOT-BC138475  Agrostis variabilis H. A. Thomas; J. H. Thomas 1954-7-24 4512 A Siskiyou Salmon-Trinity Mountains. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles east of Cecilville. 1981 Comment
  CAS-BOT-BC138480  Agrostis variabilis John Thomas Howell 1937-7-24 13419 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  POM172663  Alisma triviale Geo D. Butler 1910-8-21 1854 Siskiyou Shasta River. Comment
  UC1733720  Allium Frank Gould, Kay H. Beach 1940-5-15 1235 Siskiyou upper Bull Meadows Comment
  SEINET182277  Allium acuminatum L. C. Wheeler 1935-1 Siskiyou 0 Comment
  CAS-BOT-BC462994  Allium bolanderi Volney Rattan 1903-1-1 s.n. Siskiyou Klamath Comment
  POM109876  Allium bolanderi Geo D. Butler 1910-6-3 1469 Siskiyou Quartz Valley. Comment
  HSC91453  Allium falcifolium Jennifer Whipple 1976-7-1 1225 Siskiyou Near Little Crater Lake 2195 Comment
  JEPS47599  Allium falcifolium W. L. Jepson 1902-7-22 2096 Siskiyou Devil's Backbone, on border between Trinity amd Humboldt County Devil's Backbone 1828 Comment
  JEPS84947  Allium falcifolium Barbara Ertter with Thomas J. Delendick 1987-5-17 6968 Siskiyou Summit Scott Mt. (1/2 mi e. of Rt. 3 on FR 40N08) 1706 Comment
  UC1731157  Allium lemmonii Dean Wm. Taylor with Glenn Clifton 1991-6-12 11901 Siskiyou Adobe Flat, ca. 4 miles N of Timbered Crater 1106 Comment
  CAS-BOT-BC132147  Allium siskiyouense Geo. D. Butler 1910-4-10 1167 Siskiyou Hills near Yreka Comment
  UC15003  Allium siskiyouense Harley P. Chandler June, 1901 1647 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  JEPS61507  Allium validum Willis L. Jepson 1894-8-4 Siskiyou Cedar Spring Mt. Shasta, Cedar Spring Comment
  RSA126291  Allium validum I. L. Wiggins 1955-7-21 13440 Siskiyou Rush Creek Trail 2 mi. above Mt. View Ranch. 1098 Comment
  SEINET3562419 Image available Allotropa virgata James Montgomery 1969-7-24 80918 b Siskiyou Mount Shasta, Shasta National Forest. 1981 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
  HSC4971  Alnus incana subsp. tenuifolia J. O. Sawyer 1968-7-23 602 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  RSA11791  Alnus rhombifolia Elmer I. Applegate 1923-9-5 3936 Siskiyou Klamath River 12 miles below the Pacific Highway. Comment
  SEINET6890111  Alnus rhombifolia M. K. Solecki, J. B. Taft 1986-9-9 2136 Siskiyou Bank of Scotty River near Indian Scotty Campground; elevation 2,200 feet. 670 Comment
  SBBG14332  Alnus viridis subsp. sinuata J. Major 1961-7-14 649 Siskiyou Mud Crk, Mt Shasta 2316 Comment
  UC1024788  Alopecurus aequalis Leo Whitney 1934-6-29 2234 Siskiyou Antelope Creek near Tennant; Antelope Creek 1463 Comment
  CAS-BOT-BC138104  Alopecurus aequalis var. aequalis Louis C. Wheeler 1934-6-26 2795 Siskiyou Siskiyou Mountains. Cottonwood Creek. 838 Comment
  JEPS96808  Alyssum alyssoides Dean W. Taylor 1999-6-9 17243 Siskiyou Agate Flat, 0.3 miles S of Oregon State Line 1005 Comment
  HSC36810  Alyssum alyssoides J. P. Smith 1974-5-27 7627 Siskiyou Along FS Rd. 47N03 1280 Comment
  HSC26934  Amaranthus albus J. P. Smith, J. O. Sawyer 1971-9-18 4823 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  CHSC72221  Amaranthus blitoides Vernon H. Oswald; Lowell Ahart 1998-9-16 9642 Siskiyou Hwy. 161 at the Lower Klamath NWR 5.9 mi east of Hwy. 97. 1243 Comment
  JEPS123489  Amelanchier alnifolia var. semiintegrifolia E. T. Doucette 2013-5 13 -114 Siskiyou SkiPark Highway Pierce. Comment
  UC796436  Amelanchier alnifolia var. semiintegrifolia Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11777 Siskiyou about 5.5 mi from Etna on forks of Salmon Road Comment
  CHSC27774  Amelanchier pallida K. Bridwell 1978-4-15 92 Siskiyou PP and L waterfall ca. 300 yds n of Copco Rd, ca. 20 mi ne of Hornbrook. 762 Comment
  HSC36643  Amelanchier pallida A. M. Montalvo, J. D. Ackerman 1975-7-18 578 Siskiyou The Eddy's, between Mt. Eddy and Boulder Peak, headwaters of S Fork of Sacramento River 1829 Comment
  HSC4954  Amelanchier pallida J. O. Sawyer 1968-9-28 735 Siskiyou Along ridge NE of Orleans Mtn. 1677 Comment
  HSC4959  Amelanchier pallida J. O. Sawyer 1968-7-22 529 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC99818  Amelanchier pallida G. L. Clifton, Griswold 1979-6-27 6091 Siskiyou Near Shackleford Creek, close to the town of Greenview 1342 Comment
  UCD169265  Amelanchier pallida T. Bruchman 1978-7-1 297 Siskiyou Tule Lake National Wildlife Refuge, along Hill Road. Comment
  JEPS44697  Amelanchier utahensis W. I. Follett 1936-5-25 Siskiyou 11.6 mi sw Gazelle (upper canyon of Willow Creek) 1524 Comment
  UCD77329  Amelanchier utahensis Robert E. Preston 2001-6-23 1569 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest, N slope of Rainbow Mountain at Hemlock Lake. 1889 Comment
  UCSB15828  Amelanchier utahensis Breedlove, Dennis 1962-6-11 Siskiyou Along State Highway 89, 8.0 miles east of McCloud; Cascade Range 1127 Comment
  HSC63989  Amsinckia intermedia J. P. Smith 1973-5-5 6558 Siskiyou Scott Bar along the Scott River Comment
  RSA0089707  Amsinckia intermedia Dorothy Parker 1946-6-6 4 Siskiyou Plowman s Valley. 1159 Comment
  CDA40468  Amsinckia menziesii T. C. Fuller 1962-5-17 8743 Siskiyou Behind El Rancho Motel, Yreka. 0 Comment
  JEPS24619  Anaphalis margaritacea Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6772 Siskiyou in the 1 1/2 mi stretch betw Shasta Rtrt to Mossbrae Falls and Shasta Springs Shasta Retreat; Sacramento River Canon 731 Comment
  UC134306  Anaphalis margaritacea Copeland 1903-8-13 3816 Siskiyou Sisson Comment
  RSA238884  Anaphalis margaritacea Frederick W. Oettinger 1969-8-15 1382 Siskiyou North of Upper English lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1776 Comment
  RSA68954  Anaphalis margaritacea A. E. Culbertson 1943-7-17 4 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
  JEPS20045  Androsace elongata subsp. acuta George D. Butler 1909-3-7 579 Siskiyou near Yreka (Butcher Hill); Butcher Hill Comment
  RSA262470  Anemone deltoidea J. M. Tucker 1974-7-28 4310 Siskiyou Haypress Meadows, Marble Mtn Wilderness Area. 1463 Comment
  SBBG2105  Anemone drummondii J. F. Davidson, J. M. Tucker 1947-5-17 1566 Siskiyou summit of Scott Mtn 2072 Comment
  HSC32294  Anemone drummondii J. O. Sawyer 1971-6-30 2398 Siskiyou 1677 Comment
  POM365636  Anemone multifida M. B. Dunkle 1945-1 9312 Siskiyou Klamath National Forest; Marble Mountains, Black Marble ridge [?]. Comment
  HSC61188  Anemone occidentalis Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  UC903756  Anemone occidentalis M. B. Dunkle July, 1945 Siskiyou Marble Mts., Klamath Nat'l Forest Comment
  POM100598  Anemone occidentalis Geo. D. Butler 1910-7-10 1736 Siskiyou Upper Carufehell Lake. 1677 Comment
  CHSC65230  Anemone oregana V. Parker 1993-7-8 21 -10 Siskiyou Shasta-Trinity National Forests. McCloud Ranger District. Alongside small tributary to Trout Creek, off forest road 42N40B. 1706 Comment
  HSC70542  Angelica arguta Ruby Van Deventer 1939-7-19 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  CAS-BOT-BC59281  Antennaria argentea J. H. Thomas 1954-5-13 4160 Siskiyou Salmon Mountains, Klamath National Forest 1127 Comment
  RSA416679  Antennaria argentea M. B. Dunkle 1944-6-25 9023 Siskiyou Beaver Creek. (Coastal Northern California). 1677 Comment
  RSA47616  Antennaria argentea Roxana S. Ferris, Laura Lorraine 1948-6-12 11724 Siskiyou French Creek logging road west of Callahan. 1067 Comment
  HSC92259  Antennaria dimorpha Jennifer Whipple 1976-7-7 1330 Siskiyou N slopes of Mt. Eddy. 2439 Comment
  UC796526  Antennaria dimorpha Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11830 Siskiyou (rd between Callahan and Gazelle) Callahan; Gazelle Mountain Grade 1499 Comment
  CAS-BOT-BC58717  Antennaria geyeri A. A. Heller 1916-7-21 12482 Siskiyou Near Upton 1097 Comment
  CAS-BOT-BC58723  Antennaria geyeri L. E. Smith 1915-7-9 s.n. Siskiyou Near Sisson Comment
  UCSB63907  Antennaria geyeri Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou Forest Route 15 ca. 1 mi. south of Harris Spring; T42N R2E Sect. 31 1463 Comment
  HSC27477  Antennaria luzuloides J. P. Smith, J. O. Sawyer 1972-5-28 5372 Siskiyou 1.2 mi. E. of Jackson Creek on Callahan-Cecilville Rd., Klamath National Forest 1341 Comment
  HSC716  Antennaria media William J. Ferlatte 1967-8-20 1048 Siskiyou Trinity Alps, Caribou Basin, Sawtooth Ridge, N-facing slope 2256 Comment
  RSA238723  Antennaria media Frederick W. Oettinger 1969-9-2 1598 Siskiyou The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Moist, rocky sedge meadow of late snow hold area on the N side of English Peak. Comment
  UC1409469  Antennaria rosea Frederick W. Oettinger 1968-8-5 402 a Siskiyou Shasta Ridge, between Diamond Lake and English Peak The Salmon Mountains, Marble Mountain Wilderness Area, Engli 2072 Comment
  RSA416705  Antennaria rosea L. C. Wheeler 1934-8-2 3016 Siskiyou Alex Hole, Alex Canyon. Siskiyou Mtns. 1890 Comment
  CHSC70463  Antennaria rosea subsp. confinis M. Schweich 1997-6-17 4144 Siskiyou Payne's Spring, in rocks on rim of canyon. 1987 Comment
  CAS-BOT-BC84769  Antennaria umbrinella Wm. Bridge Cooke 1938-8-18 11473 Siskiyou Around the Water Supply Spring and below Horse Camp 2468 Comment
  JEPS5337  Antirrhinum vexillocalyculatum subsp. breweri Geo. D. Butler 1908-8-30 2 Siskiyou near Fort Jones (on the light hill grade) 762 Comment
  HSC61858  Apocynum androsaemifolium Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  SBBG15616  Apocynum androsaemifolium D. Myrick 1961-6-20 292 Siskiyou Old McCloud Rd to Bear Springs just E of Mt Shasta City 1097 Comment
  HSC27636  Apocynum androsaemifolium Carl W. Mize 1972-7-22 100 Siskiyou Forks of Salmon quad., along edge of large cut block. 1037 Comment
  CHSC4712  Apocynum cannabinum R. Carter 1966-5-15 401 Siskiyou Ca. 5 mi. N of Callahan along W side of road on W side Scott R. 914 Comment
  CAS-BOT-BC395146  Aquilegia formosa Alice Eastwood 1912-8-30 s.n. Siskiyou Mount Eddy Comment
  CAS-BOT-BC397940  Aquilegia formosa Doris K. Kildale 1929-7-20 8730 Siskiyou Raspberry Lake, upper S Fork of Indian Creek 1828 Comment
  RSA30393  Arabis breweri Lincoln Constance, Reed C. Rollins 1942-5-14 2930 Siskiyou Shasta River 6 miles N of Yreka. 762 Comment
  HSC81529  Arabis divaricarpa Thomas W. Nelson, Jane P. Nelson 1980-7-19 6196 Siskiyou Along USFS Rd. 39N01 A at Fox Creek, 1 mi. from jct. with 39N01 1677 Comment
  HSC27339  Arabis holboellii var. pinetorum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5670 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  HSC67807  Arabis holboellii var. pinetorum J. O. Sawyer, J. Cole 1980-7-22 3961 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  RSA0110968  Arabis microphylla var. microphylla Frederick W. Oettinger 1968-8-10 465 Siskiyou East side of Hancock Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  HSC90310  Arabis modesta D. L. Goforth 1980-4-23 468 Siskiyou Salmon River at Grant Bluff 290 Comment
  HSC90273  Arabis oregana D. L. Goforth 1980-6-27 646 Siskiyou Scott River at Middle Creek Camp 724 Comment
  HSC75660  Arabis platysperma J. O. Sawyer, R. J. Cole 1980-7-20 3704 Siskiyou Little Glass Mtn. 1951 Comment
  JEPS101148  Arabis pycnocarpa var. pycnocarpa Dean W. Taylor 1996-6-19 15715 Siskiyou Lime Gulch; bordering Shasta Valley (about 15 miles south of Yreka) 1188 Comment
  HSC81575  Arabis suffrutescens var. suffrutescens Thomas W. Nelson, Jane P. Nelson 1980-7-17 6094 Siskiyou Along FS Rd. 17, 0.5 mi. N of summit at county line 2073 Comment
  CAS-BOT-BC171698  Aralia californica J. H. Thomas; H. A. Thomas 1954-7-22 4441 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville, between Rush and Big Bend Creeks, .25 - .5 miles N of S Fork of Salmon river. Along banks of Big Bend Creek. 975 Comment
  HSC67763  Aralia californica John Palmer 1980-8-15 999 Siskiyou NE of Seiad Low Gap on spur of F.S. Rd. 46N50 1098 Comment
  RSA138227  Aralia californica P. C. Everett, E. K. Balls 1959-10-24 23942 Siskiyou 6 mi. W from Red Bank F. S. Camp, on road to Somesbar from Sawyers Bar Comment
  CAS-BOT-BC171029  Aralia californica Marion Ownbey; Fred G. Meyer 1940-7-8 2221 Siskiyou Along Cade Creek near it's mouth, 3 miles east of Happy Camp. Comment
  SEINET2471294  Arceuthobium abietinum subsp. wiensii R. L. Mathiasen 2007-9-16 2007 -47 Siskiyou Ca. 18 km W. of Indian Creek on forest road 17N11 1340 Comment
  SEINET8530038  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen 2003-7-27 2003 -42 Siskiyou 1.2 km NW of Ahlgren Cabin on Garden Gulch Trail Comment
  CDA6783  Arctium minus R. E. Talbert 1959-9-4 Siskiyou South side Scott River, ca. 1.5 miles west-southwest of Ft. Jones. 0 Comment
  SEINET11996228  Arctostaphylos klamathensis F. T. Callahan 1982-1 6045 Siskiyou intersection of main rd into wilderness area & spur rd ca 1.5 mi W of Scott Mt Campground 1829 Comment
  CAS-BOT-BC45437  Arctostaphylos nevadensis W. R. Dudley 1899-8-24 s.n. Siskiyou Side of Craggy Peak. Comment
  HSC31992  Arctostaphylos nevadensis Steve Selva, Roger Jensen 1974-8-16 10 Siskiyou Above Sugar Lake Comment
  HSC44977  Arctostaphylos nevadensis J. O. Sawyer 1978-6-21 3280 Siskiyou Marble Mtn. Wilderness Area, along trail N of Clear Lake 1951 Comment
  HSC65419  Arctostaphylos nevadensis Rich White 1978-7-3 202 Siskiyou 0.5 mi. up Dillon Ridge Trail 1715 Comment
  HSC69014  Arctostaphylos nevadensis Maralyn A. Renner 1980-7-24 2027 Siskiyou Lily Pad Lake 1768 Comment
  JEPS66675  Arctostaphylos nevadensis Geo. D. Butler 1908-8-4 101 Siskiyou head Shackelford Creek 1676 Comment
  UC909357  Arctostaphylos nevadensis Ira L. Wiggins 1950-5-28 12373 Siskiyou small bog on side of ridge above Grouse Creek (about 1.5 mi from Carmen Lake) 1584 Comment
Read comments
Jan 29 2013
  CAS-BOT-BC46455  Arctostaphylos patula H. P. Bracelin 1931-6-19 425 Siskiyou N. side of Mt. Eddy. Above Metcalf ranch house, N. of Shasta City about 8 mi. 1539 Comment
  HSC73302  Arctostaphylos patula Gail Newton 1980-6-20 530 Siskiyou Near Bald Mtn. 1326 Comment
  JEPS38834  Arctostaphylos patula Geo. D. Butler 1909-4-11 756 Siskiyou Weed Comment
  LA42233  Arctostaphylos patula William Bridge Cooke; 1939-8-4 sn Siskiyou Mount Shasta, along the Sisson Southern Trail 1523 Comment
  RSA15478  Arctostaphylos patula H. P. Bracelin 1936-4-15 830 Siskiyou N.E. slope of Mt. Eddy; 3 miles above Metcalf ranch house, 6 miles N.W. of Mt. Shasta City. 1341 Comment
  SEINET11988236  Arctostaphylos patula W. Roderick, Sigg, J. 1981-1 s.n. Siskiyou Cedar Lake 1768 Comment
  CAS-BOT-BC47014  Arctostaphylos viscida subsp. viscida Doris K. Kildale 1928-7-1 5323 Siskiyou Forks of Salmon. Comment
  UC1971401  Arctostaphylos viscida subsp. viscida Louis C. Wheeler 1958-8-19 7401 Siskiyou Seiad Creek Mine. Comment
  POM253575  Arenaria congesta var. crassula C. L. Hitchcock 1939-7-9 5324 Siskiyou 1/2 mile SE of King s Castle, Marble Mts. 1829 Comment
  CAS-BOT-BC467188  Arenaria serpyllifolia var. serpyllifolia Alice Eastwood; John Thomas Howell 1937-6-26 5061 Siskiyou Near Forks of Salmon Comment
  UC1192152  Arnica chamissonis Calvin McMillan and Malcolm A. Nobs 1949-6-17 797 Siskiyou Highway 97 Grass Lake Comment
  UC892107  Arnica chamissonis A. A. Heller 1938-7-13 15270 Siskiyou 1 mi s Bray 1402 Comment
  HSC22148  Arnica cordifolia J. O. Sawyer 1969-6-12 941 Siskiyou On trail to Duck Lakes 1890 Comment
  HSC30475  Arnica discoidea Frederick W. Oettinger 1969-8-9 1323 Siskiyou Along main N Fork trail between Fivemile Stockgate and Abbott's Upper Cabin, Salmon Mtns. 1098 Comment
  RSA93460  Arnica discoidea M. S. Baker, H. K. Wagnon 1953-7-11 12833 Siskiyou 1.9 mi. above Whitlock Camp in open forest. 1372 Comment
  CAS-BOT-BC82670  Arnica latifolia C. R. Quick 1950-6-21 50 -05 Siskiyou Upper Hungry Creek drainage, west of Hilt and east of Beaver Creek Comment
  HSC29113  Arnica latifolia Frederick W. Oettinger, R. F. Thorne 1969-8-6 1256 Siskiyou Marble Mtn. Wilderness Area, above flume in Tom's Lake Basin 1890 Comment
  CHSC69068  Arnica longifolia Vernon H. Oswald; Lowell Ahart 1997-7-28 8790 Siskiyou Southeast of Medicine Lake at Paynes Springs. 1981 Comment
  CAS-BOT-BC90058  Arnica nevadensis Ira L. Wiggins 1955-7-27 13562 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  RSA238816  Arnica parryi subsp. sonnei Frederick W. Oettinger 1969-7-28 1087 Siskiyou NE above Toms Upper Pond. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2027 Comment
  CAS-BOT-BC90084  Arnica viscosa R. H. Bohmannson 1926-7-1 s.n. Siskiyou Mt. Shasta Comment
  UC1494015  Arnica viscosa Gerald B. Straley 1977-6-6 2002 Siskiyou Mt. Shasta (s side) Mt. Shasta 2590 Comment
  CAS-BOT-BC85021  Artemisia arbuscula subsp. arbuscula Louis C. Wheeler 1934-8-26 3226 Siskiyou Trapper Creek, Siskiyou Mts., Mt. Diablo Mer. 1981 Comment
  SEINET516319  Artemisia cana subsp. bolanderi Vernon H. Oswald 1998-9-16 9628 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Smas Neck Rd. and Hwy. 97 ca. 5 mi N of Macdoel. 1295 Comment
  CAS-BOT-BC97416  Artemisia tridentata subsp. tridentata Alice Eastwood 1921-7-28 10879 Siskiyou Medicine Lake Comment
  CAS-BOT-BC97418  Artemisia tridentata subsp. tridentata George H. Ward; Ann Ward 1949-7-14 828 Siskiyou ca. 15 mi. NE of Weed Comment
  HSC5015  Artemisia tridentata subsp. tridentata R. C. Wunner 1965-8-26 481 Siskiyou Lava Beds N.M., N Prefab Indian Well 1433 Comment
  HSC58877  Aruncus dioicus var. acuminatus Marvin Butler 1971-8-11 288 Siskiyou Near El Capitan Lake, close to town of Cave Junction 1646 Comment
  CAS-BOT-BC447718  Aruncus dioicus var. vulgaris C. A. Chamberlain 1913-7-5 363 Siskiyou Trinity Forest 1066 Comment
  CAS-BOT-BC400690  Asarum hartwegii L. E. Smith 1913-6-2 327 Siskiyou Castle Crags Comment
  JEPS8487  Asarum marmoratum Rimo Bacigalupi with J. P. Tracy, L. Constance, R. Moran, R. L. Rodriquez, and S. Carlquist 1951-6-16 3447 Siskiyou Poker Flat, near summit of Takilma - Happy Camp road over Siskiyou County line 1630 Comment
  HSC42975  Asclepias cordifolia J. O. Sawyer, Ken Stillman 1976-5-29 2739 Siskiyou Along Specimen Creek 915 Comment
  SEINET6833731  Asclepias cordifolia G. D. Butler 1910-6-7 1531 Siskiyou Greenhorn Mountain Comment
  SEINET999811  Asclepias fascicularis Mark Fishbein, Lane Greer 2006-1 5886 Siskiyou Along Hill Road, 0.5 mi south of Devil's Homestead, Lava Beds National Monument, about 3.75 mi north-northwest of Schonochin Butte. 1285 Comment
  SEINET10923196  Asclepias fascicularis Edwin B. Copel 1903-7-4 Copeland 3558 Siskiyou Klamathon Comment
  JEPS80660  Asclepias speciosa W. B. and V. G. Cooke 1980-7-26 59013 Siskiyou Everitt Memorial Highway Mt. Shasta Comment
  POM145516  Aspidotis densa J. B. Feudge 1927-7-22 1614 Siskiyou Trail to Mountain Eddy. 1067 Comment
  SEINET10863546  Aspidotis densa Melvin L. Conrad, Katherine L. Morris; Patricia L. Kenney 1973-6-3 Conrad 7016 Siskiyou Mathew's Creek Campground on S fork of Salmon River. 549 Comment
  UC42607  Aspidotis densa W. H. Brewer 1863-9-9 1360 Siskiyou Castle Rocks near Mt Shasta 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
  RSA233703  Aster occidentalis var. occidentalis R. F. Thorne, Fred Oettinger 1969-8-10 38972 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  POM58124  Aster torreyi E. B. Copeland 1903-9-8 3869 Siskiyou Foot of Mt. Eddy 122 Comment
  CAS-BOT-BC178807  Astragalus californicus T. S. Brandegee 1887-6-1 s.n. Siskiyou Near Yreka Comment
  SEINET5323336  Astragalus californicus Unknown 1909-5-8 593 Siskiyou Humbug Road and McNutty's Field Comment
  CDA26647  Astragalus curvicarpus T. C. Fuller 1965-6-2 13591 Siskiyou Big Springs district, north slope of Mt. Shasta, road from Grenada, 8.3 miles northwest of Dorris-Weed Highway. 0 Comment
  CAS-BOT-BC182966  Astragalus filipes Milo S. Baker 1957-6-16 13150 Siskiyou Trip to Scott Mts. from Turn off near Callahan, area 5-6 mi beyond Turn off Comment
  RSA715634  Astragalus gambelianus L. Ahart 2005-6-9 12013 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  CDA26704  Astragalus lentiginosus var. salinus T. C. Fuller 1962-6-12 8966 Siskiyou Davis Road to Medicine Lake, Little Oklahoma district, ca. 15 miles east of Dorris. 0 Comment
  CAS-BOT-BC192921  Astragalus purshii var. lectulus L. E. Smith 1913-5-18 230 Siskiyou Bray Comment
  HSC71338  Astragalus purshii var. purshii J. P. Smith 1976-5-21 8759 Siskiyou Along FS Rd. 40N08, 1 mi. from its junction with Hwy. 3, Klamath National Forest 1646 Comment
  POM16040  Astragalus purshii var. tinctus Geo. D. Butler 1910-3-20 1134 Siskiyou Near Yreka Comment
  SEINET5326786  Astragalus purshii var. tinctus G. Butler 1910-5-5 1283 Siskiyou Humbug Mtn. Comment
  JEPS81879  Astragalus whitneyi Roger Raiche 1982-7-4 20531 Siskiyou Mt. Eddy 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
  RSA215617  Astragalus whitneyi var. siskiyouensis Gilbert Muth 1969-8-7 1258 Siskiyou Boulder Peak Ridge. 2470 Comment
  CAS-BOT-BC105091  Asyneuma prenanthoides R. C. Wenk 2008-8-31 994 Siskiyou South Fork of Salmon River, trail from Big Flat Meadow to Yellow Rose Mine 1737 Comment
  SBBG7444  Asyneuma prenanthoides H. and M. Dearing 1939-6-3 3536 Siskiyou near Scott Bar Comment
  CAS-BOT-BC68702  Athyrium alpestre var. americanum Ira L. Wiggins 1955-7-27 13567 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  RSA237517  Athyrium americanum Frederick W. Oettinger 1968-8-24 631 Siskiyou Inlet meadow to Toms Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2058 Comment
  JEPS50864  Athyrium distentifolium var. americanum Al Hobart 1967-8-8 Siskiyou n slope of Preston Slope; westernmost Siskiyou Co 1828 Comment
  UC1333324  Athyrium filix-femina var. cyclosorum Dorothy Parker 1949-6-30 Siskiyou stream that empties into Etna Creek; Salmon Mts 1176 Comment
  UC371153  Athyrium filix-femina var. cyclosorum G. D. Butler 1908-8-4 244 Siskiyou Wooly Creek Cold Spring Camp Comment
  UC71340  Athyrium filix-femina var. cyclosorum unknown Siskiyou near Mt Shasta Comment
  UCR64451  Atriplex rosea L. C. Wheeler 1934-10-21 03339 Siskiyou Shasta Valley, 8 mi NE of Gazelle 869 Comment
  RSA210852  Atriplex subspicata R. F. Thorne, J. Henrickson, C. W. Tilforth 1969-9-3 39031 Siskiyou Hwy 161 at N edge of White Lake, 13.5 miles E of junction of Hwy 97 and 161. 1280 Comment
  CHSC72233  Atriplex triangularis Vernon H. Oswald 1998-9-16 9650 Siskiyou Tour Route at Lower Klamath NWR 3 mi south of Hwy. 161. 1243 Comment
  CAS-BOT-BC100054  Balsamorhiza lanata Richard R. Halse 1989-5-6 3818 Siskiyou Along Old Highway 99, 3.2 to 6.2 miles south of Gazelle, or 1.5 miles north of its junction with Old Stage Road 912 Comment
  CAS-BOT-BC100105  Balsamorhiza sagittata Elmer I. Applegate 1935-6-6 9383 Siskiyou Indian Well, Lava Beds National Monument Comment
  HSC70596  Balsamorhiza sericea J. O. Sawyer, R. J. Cole 1981-7-2 4156 Siskiyou Near Scott Mountain Campground 1585 Comment
  HSC204  Barbarea orthoceras William J. Ferlatte 1967-6-30 591 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  HSC22466  Barbarea orthoceras J. O. Sawyer 1969-7-18 1371 Siskiyou Above S Russian Creek. 2012 Comment
  RSA482826  Barbarea orthoceras Christopher Davidson 1975-6-5 2666 Siskiyou 0.8 mi. from gate on special service rd. branching SE of rd from Gazelle to Callahan, ca. 9.3 miles W of Gazelle. Klamath Nat. Forest. 1509 Comment
  CDA3610  Barbarea vulgaris C. S. Giebner 1961-5-1 Siskiyou Callahan . 0 Comment
  JEPS86077  Berberis nervosa Wayne Roderick 1966-6-26 Siskiyou Cook and Green Pass area 1371 Comment
  UC1190258  Berberis nervosa Ira L. Wiggins 1955-7-21 13441 Siskiyou 2 mi above Mt View Ranch (Rush Creek Trail) 1097 Comment
  UC9755  Berberis nervosa T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CAS-BOT-BC76003  Berberis pumila G. P. Rixford s.n. Siskiyou South side Shaft rock Mountain. Hilt. Comment
  CAS-BOT-BC169485  Betula occidentalis Dorothy Parker 1947-4-27 177 Siskiyou Along the banks of the East Fork of Scott River Plowman's Valley 1158 Comment
  JEPS107288  Betula occidentalis Lowell Ahart, John Dittes 2005-6-10 12072 Siskiyou On N side of the Shasta R., near rocky hillside N of the Shasta R., S of poor dirt road, ca. 50 yd NW of the pump house along the Shasta R., ca. 1.9 mi (air) S of Hwy 99/97 Cutoff, ca. 6 mi (air) east-SE of Grenada 776 Comment
  HSC69182  Bistorta bistortoides Maralyn A. Renner 1980-8-31 2638 Siskiyou Twin Valley. 1494 Comment
  HSC81744  Bistorta bistortoides Thomas W. Nelson, Jane P. Nelson 1980-7-20 6186 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  CAS-BOT-BC127933  Blepharipappus scaber Louis C. Wheeler 1934-6-22 2760 Siskiyou Cottonwood Creek 914 Comment
  CHSC34101  Blepharipappus scaber J. D. Jokerst; M . D. Huffine 1981-9-8 1460 Siskiyou E of and adjacent to road. 1280 Comment
  UC894105  Blepharipappus scaber Alice Eastwood 1912-7-20 1252 Siskiyou Hornbrook Comment
  CAS-BOT-BC127932  Blepharipappus scaber L. E. Smith 1913-6-4 254 Siskiyou Yreka Comment
  HSC5207  Blepharipappus scaber Duncan Dunning 1922-6-5 Siskiyou Moffett Creek, NW of Fort James Comment
  POM261245  Blepharipappus scaber H. C. Cantelow 1936-5-21 s.n. Siskiyou 12 miles from Etna on road to Callahan. Comment
  UC673145  Boechera breweri Lincoln Constance and Reed C. Rollins 1942-5-13 2902 Siskiyou 8 mi s Happy Camp (near Clear Creek); Klamath-Siskiyou Region, Klamath River 304 Comment
  CAS-BOT-BC16053  Boechera breweri subsp. shastaensis George Dexter Butler 1910-5-21 1379 Siskiyou Klamath River. Comment
  UC70397  Boechera platysperma Milo S. Baker 1898-8-7 484 Siskiyou Medicine Lake Comment
  CAS-BOT-BC25416  Boechera retrofracta John Thomas Howell 1937-7-21 13203 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC25418  Boechera retrofracta John Thomas Howell 1937-7-21 13203 A Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC25424  Boechera retrofracta Marion Ownbey; Ruth P. Ownbey 1938-7-20 1760 Siskiyou 1 mile east of Dry Lake Lookout, summit of the Siskiyou Mountains. 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
  UC673142  Boechera retrofracta Lincoln Constance and Reed C. Rollins 1942-5-13 2917 Siskiyou 1Scott River 0 mi southwest of Scott Bar; Klamath-Siskiyou Region. 609 Comment
  UCD114490  Boechera suffrutescens Robert E. Preston 1984-7-25 493 Siskiyou Arnica Sink. 2044 Comment
  POM46111  Boisduvalia densiflora var. densiflora Geo. D. Butler 1910-6-29 1614 Siskiyou Yreka Creek Comment
  HSC60120  Boschniakia strobilacea M. A. Baker 1978-5-20 584 Siskiyou 3 km N of Somes Bar Comment
  UC42351  Botrychium W. C. Blasdale Jul 1894 Siskiyou Sisson Comment
  JEPS25843  Boykinia major Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-20 7468 Siskiyou at edge Twin Valley meadows (about 13 mi nw of Happy Camp); Siskiyou Mountains 1524 Comment
  UCD102599  Boykinia major John M. Tucker; D. V. Hemphill 1974-7-28 4332 Siskiyou 1 mile south of Haypress Meadows, between trail to Camp 4, Marble Mountain Wilderness Area. 1463 Comment
  CAS-BOT-BC418462  Boykinia major Douglas Barbe 1955-7-4 093 Siskiyou 11 miles south of Etna on the North Fork of French Creek, about 1000' from Parrot Mill Rd.; Klamath Mountains 975 Comment
  CAS-BOT-BC36691  Brassica rapa Alice Eastwood 1912-7-16 1127 Siskiyou McCloud. Comment
  UC894183  Brickellia grandiflora J. Thomas Howell 1939-8-4 15044 Siskiyou Marble Rim Marble Mts. Comment
  JEPS16950  Brickellia greenei Peter H. Raven 1956-9-5 10462 Siskiyou Fork of the Sacramento River 1828 Comment
  CAS-BOT-BC482218  Brodiaea coronaria var. coronaria Margaret M. Hanna 1958-6-20 s.n. Siskiyou Along highway, 6 miles south of Dunsmuir Comment
  SEINET10533785  Brodiaea crocea George D. Butler 1910-5-5 Butler 1287 Siskiyou Humbug Mountain Comment
  UC375188  Brodiaea elegans subsp. elegans Geo. D. Butler 1908-6-28 Siskiyou flats Oro Fino Comment
  CAS-BOT-BC484385  Brodiaea elegans subsp. elegans D. E. Breedlove 1962-6-10 3313 Siskiyou Along Indian Creek Road, 2.3 miles northwest of Happy Camp, Siskiyou Mountains 365 Comment
  CAS-BOT-BC149053  Bromus carinatus var. carinatus Gilbert Muth 1966-7-17 409 Siskiyou Marble Mountains. Trail to Lookout, on ridge. 2042 Comment
  CHSC61559  Bromus carinatus var. carinatus L. P. Janeway 1983-9-11 683 Siskiyou Siskiyou Mountains; at Poker Flat. In the middle of the lower part of the meadow. 1524 Comment
  CAS-BOT-BC148797  Bromus carinatus var. marginatus Alice Eastwood 1921-7-28 10933 Siskiyou Medicine Lake. Comment
  CHSC116238  Bromus carinatus var. marginatus Barbara L. Wilson; Richard E. Brainerd 2010-8-5 16229 Siskiyou Shasta-Trinity National Forest, south of Mount Shasta itself, on road 40N88 at its junction with 41N31, 3.5 miles by road north of Highway 89. 1596 Comment
  CDA1799  Bromus hordeaceus G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2780 Siskiyou Yreka. West of Motel 6, south of town, north of Greenhorn Creek Road. Comment
  CHSC91224  Bromus japonicus Lowell Ahart; John Dittes 2005-6-9 12030 Siskiyou Hill, south of a rock fence, about 100 yards northeast of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  JEPS107456  Bromus japonicus Lowell Ahart, John Dittes 2005-6-9 12009 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
  UCD58952  Bromus laevipes Robert E. Preston 2001-6-23 1620 Siskiyou Rainbow Mountain and Vicinity. Klamath National Forest. N-facing slope of Rainbow Mtn. 1706 Comment
  POM204679  Bromus marginatus Copeland 1903-09 3790 Siskiyou Mt. Eddy, California 1585 Comment
  POM363435  Bromus marginatus M. B. Dunkle 1945-1 9287 Siskiyou King's Castle; Klamath National Forest. Marble Mountains Comment
  CAS-BOT-BC105073  Bromus orcuttianus R. C. Wenk 2008-7-24 915 Siskiyou SW side of Mount Shasta, growing by side of road, Everitt Memorial Highway 1676 Comment
  CAS-BOT-BC162131  Bromus orcuttianus L. E. Smith 1914-7-6 747 Siskiyou Sisson. Comment
  CAS-BOT-BC162138  Bromus orcuttianus A. A. Heller 1915-7-18 12124 Siskiyou Metcalf's ranch, base of Mount Eddy. Comment
  CAS-BOT-BC185093  Bromus pumpellianus A. A. Heller 1905-6-1 7935 Siskiyou Along the Sacramento River near Shasta Retreat. Between Upper Soda Spring and Shasta Retreat. 3048 Comment
  UC166002  Bromus racemosus Geo. D. Butler 1909-5-21 817 Siskiyou near Yreka Comment
  HSC9353  Bromus tectorum D. M. Thomson 1965-6-12 84 Siskiyou Lava Beds National Monument, Hovey Point Comment
  UC1579533  Bromus tectorum Mitchell 1936-5-14 21 Siskiyou Lava Beds National Monument, Canby Cross Canby Cross; Lava Beds National Monument, Canby Cross 1249 Comment
  HSC30541  Bromus vulgaris Frederick W. Oettinger, R. F. Thorne 1969-8-6 1246 Siskiyou Salmon Mountains, woods below Pine Lake Basin 1829 Comment
  UC673211  Cacaliopsis nardosmia Lincoln Constance, Reed C. Rollins 1942-5-13 2906 Siskiyou Northwestern; Klamath Ranges Region; Klamath-Siskiyou Region: Klamath River 4 miles east of Seiad, alt. 1500 ft. 457 Comment
  HSC31104  Calamagrostis canadensis var. langsdorffii Frederick W. Oettinger 1969-9-4 1652 Siskiyou Marble Mtn. Wilderness Area, Tobacco Lake 1890 Comment
  HSC26483  Calamagrostis koelerioides J. P. Smith, Steve Selva 1970-7-15 4361 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  HSC30648  Calamagrostis koelerioides Frederick W. Oettinger, R. F. Thorne 1969-8-4 1162 Siskiyou Salmon Mountains, above Halfway Spring on trail from English Lake to Diamond Lake 1829 Comment
  HSC68462  Calamagrostis nutkaensis Maralyn A. Renner 1980-7-4 1459 Siskiyou Clear Creek Trail, N of Trout Camp 1037 Comment
  SEINET7584064 Image available Calliscirpus criniger Frederick W. Oettinger 1968-9-7 754 Siskiyou High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area, near Hancock Lake outlet. 1935 Comment
  SEINET8268873  Calliscirpus criniger Jacqueline Greenleaf 1981-7-5 703 Siskiyou Twin Valley. 1494 Comment
  JEPS42839  Callitriche verna Geo. D. Butler 1908-8-27 406 Siskiyou Oro Fino Comment
  HSC69144  Calocedrus decurrens Maralyn A. Renner 1980-8-8 2473 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  UC54189  Calochortus coeruleus H. M. Hall and E. B. Babcock Jun 1903 4033 Siskiyou Dunsmuir Upper Sacramento Valley 609 Comment
  RSA68949  Calochortus coeruleus A. E. Culbertson 1943-6-19 9 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 mi SW of Mt. Shasta on N side of a 6600 eastern spur of Trinity Mtns., 2000 above Sacramento R. within 10 air miles of its headwaters to the west. 1657 Comment
  CAS-BOT-BC488614  Calochortus elegans var. nanus A. A. Heller 1920-6-27 13386 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CHSC71511  Calochortus macrocarpus Vernon H. Oswald; Lowell Ahart 1998-7-21 9321 Siskiyou Hwy. 97 at the 11.0 mi mile marker 1.2 mi west of A12 northeast of Weed. 1188 Comment
  HSC582  Calochortus nudus William J. Ferlatte 1966-8-3 272 Siskiyou Josephine Lake basin 1677 Comment
  HSC81759  Calochortus nudus Thomas W. Nelson, Jane P. Nelson 1980-7-20 6189 Siskiyou Above and to SE of Big Carmen Lake 1738 Comment
  CAS-BOT-BC132632  Calochortus uniflorus Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  HSC19232  Caltha leptosepala J. O. Sawyer 1969-8-5 1772 Siskiyou W of Little Duck Lake 2073 Comment
  RSA0120953  Caltha leptosepala J. P. Smith 1974-5-26 7538 Siskiyou Chandler Glade on Forest Service Road 47N03. 1768 Comment
  UC337224  Calycadenia truncata unknown 1889-6-27 Siskiyou near Shasta Comment
  RSA789267  Calycadenia truncata R. L. Carr 1978-8-17 2129 Siskiyou Ca. 4.0 miles west of Gazelle on the Gazelle-Callahan Road, south of Yreka. 950 Comment
  HSC67818  Calyptridium umbellatum J. O. Sawyer, J. Cole 1980-7-20 3779 Siskiyou S of Grouse Hill, at N base of Badger Peak 2146 Comment
  JEPS52542  Calyptridium umbellatum Willis L. Jepson 1894-8-4 Siskiyou Mount Shasta, Horse Camp Horse Camp; Mount Shasta, Horse Camp Comment
  UCD100481  Calyptridium umbellatum John M. Tucker; L. K. Mann 1963-7-7 3726 Siskiyou in vicinity of Paradise Lake, at bast of Kings Castle on the east side, Marble Mountain Wilderness Area. 1981 Comment
  SBBG25944  Calystegia malacophylla subsp. malacophylla D. Myrick 1966-8-9 1542 Siskiyou Gates Ranch, Mountain Meadow Ranch, Big Flat; Trinity Alps 1524 Comment
  HSC42976  Calystegia occidentalis subsp. occidentalis J. O. Sawyer, Ken Stillman 1976-5-29 2738 Siskiyou Along Specimen Creek 915 Comment
  RSA603170  Calystegia occidentalis subsp. occidentalis L. C. Wheeler 1935-6-9 3562 Siskiyou Yreka Creek. Siskiyou Mtns. (Mt Diablo Mer.) 1220 Comment
  CDA3582  Camelina microcarpa T. C. Fuller 1962-6-11 8959 Siskiyou East side of Hwy 99 to Black Butte Summit, 4.1 miles south of Weed. 0 Comment
  RSA211339  Campanula prenanthoides William J. Ferlatte 1966-8-18 420 Siskiyou Trinity Alps. Along the South Fork of the Salmon River between the campground and Carter's. 1524 Comment
  SEINET10462869  Campanula prenanthoides Chisaki 1959-8-20 CHISAKI 4736 Siskiyou NR CARTER MEADOW, CANYON OF E FORK SALMON RIVER 6000', RED FIR FOREST Comment
  SEINET10463095  Campanula prenanthoides Kelsey Kelsey s.n. Siskiyou Marble Mountains, Skyline Lake Comment
  UC637161  Campanula scouleri Edward Lee 1934-8-13 1080 Siskiyou Happy Camp to Waldo (Oregon) road Klamath National Forest, watershed of west branch of Waldo C 1463 Comment
  HSC31121  Campanula scouleri J. O. Sawyer 1971-8-19 2452 Siskiyou On trail to Marble Valley near Lovers Camp. 1311 Comment
  SEINET10463468  Campanula scouleri John G. Lemmon Lemmon s.n. Siskiyou SISSON, NR. MT. SHASTA Comment
  SEINET10463722  Campanula scouleri Wieslander 1929-1 WIESLANDER 121 Siskiyou Kosk Creek near Shotgun Creek; Bartle. T37N R1W Comment
  SEINET10463764  Campanula scouleri Ownbey 1938-7-19 OWNBEY 1757 Siskiyou Near Deer Camp, Siskiyou Mountains Comment
  SEINET10872981  Campanula scouleri John G. Lemmon Lemmon s.n. Siskiyou Near Shasta Comment
  SEINET10905938  Campanula scouleri Edward L. Greene 1876-8-22 Greene 1010 Siskiyou SCOTT MOUNTAIN 1829 Comment
  SEINET10939052  Campanula scouleri Edwin B. Copel 1903-8-17 Copeland 3911 Siskiyou MT. EDDY 1311 Comment
  SEINET10972074  Campanula scouleri Edward L. Greene 1879-1 Greene 1732 Siskiyou Soda Springs, upper Sacramento River Comment
  CAS-BOT-BC266465  Campanula wilkinsiana A. A. Heller 1920-8-12 13518 Siskiyou About the spring above Horse Camp, Mount Shasta Comment
  SEINET10463878  Campanula wilkinsiana Cyrus G. Pringle 1881-8-24 Pringle s.n. Siskiyou MT. SHASTA 2134 Comment
  SEINET10463887  Campanula wilkinsiana Cooke 1947-8-20 COOKE 17822 Siskiyou Common in the meadow area around the water supply spring above Harse Camp, Mount Shasta 2515 Comment
  LA206357  Cardamine bellidifolia Wm. Bridge Cooke; 1939-7-13 13644 Siskiyou along N and NE side of Red Butte Comment
  UC166136  Cardamine nuttallii Geo. D. Butler 1900-6-4 1487 Siskiyou Shackleford Creek Comment
  CHSC66537  Carduus nutans Vernon H. Oswald 1996-7-12 7998 Siskiyou Everitt Memorial Hwy. (A10) E of Mt. Shasta city between mileposts 5 and 6. 1554 Comment
  CAS-BOT-BC19762  Carex abrupta John Thomas Howell 1939-8-3 15004 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  SEINET7548183 Image available Carex abrupta Frederick W. Oettinger 1969-9-1 1577 Siskiyou High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area, sandy margin of Katherine Lake. 2027 Comment
  HSC76858  Carex amplifolia L. P. Janeway 1982-8-21 170 Siskiyou E facing slope below the Poker Flat/Twin Valley Trail 1585 Comment
  POM211398  Carex amplifolia L. C. Wheeler 1934-6-14 2711 Siskiyou Arrastre Creek off Hungry Creek. Siskiyou Mountains. 1280 Comment
  SEINET10586479  Carex amplifolia A. Arthur Heller 1905-6-5 Heller 7974 Siskiyou Between Shasta Retreat and Shasta Springs. Comment
  CAS-BOT-BC17968  Carex angustata Frank Walton Gould 1940-5-14 1229 Siskiyou Bull Meadows, Goosenest Mountain. 1524 Comment
  HSC76314  Carex aquatilis L. P. Janeway 1982-8-22 178 Siskiyou Near the old jeep road between Poker Flat and Kelly Lake 1555 Comment
  UC1100435  Carex athrostachya Herbert L. Mason 1948-7-18 13610 Siskiyou Grass Lake Comment
  SEINET4110850  Carex bolanderi D. W. Taylor 2005-1 19401 Siskiyou Wagon Camp; along Forest Road 40N25, Panther Creek Drainage, Mount Shasta. 1685 Comment
  CHSC40138  Carex brainerdii L. P. Janeway 1983-6-25 341 Siskiyou On rock bluff above Klamath R, e side, near Independence Cr Br. 274 Comment
  JEPS25937  Carex brainerdii B. C. Goldsmith 1916-7-28 10 Siskiyou 20 mi n Bartles Comment
  CHSC102611  Carex breweri L. P. Janeway 2009-8-3 9883 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 2.3 air km southwest of Brewer Creek Trailhead; about 0.3 km south of southwest of Brewer Creek Trailhead; about 0.3 km south of Brewer Creek. 2560 Comment
  LA17374  Carex breweri L. Ellison; 1928-9-12 500 Siskiyou Mount Shasta 3017 Comment
  SDSU11614  Carex breweri var. breweri D. F. Howe 1962-8-6 3403 Siskiyou Mt. Shasta, Shasta National Forest 2438 Comment
  CAS-BOT-BC20044  Carex echinata H. E. Brown 1897-6-16 416 Siskiyou North side of Mount Shasta. Comment
  HSC76838  Carex exsiccata L. P. Janeway 1982-6-25 22 Siskiyou 300 m. SE of No Mans Creek, 600 m. up Creek from the Clear Creek Rd. 610 Comment
  CAS-BOT-BC20128  Carex feta William Bridge Cooke 1940-6-8 15124 Siskiyou In Mount Shasta City. 1082 Comment
  CHSC93515  Carex fracta Barbara L. Wilson; Richard Brainerd 2003-6-18 10928 Siskiyou Road 48N20 between Seiad Valley and Cook and Green Pass; Klamath National Forest. Cutbank. 1158 Comment
  UC1025113  Carex gigas Douglas Barbe 1955-7-9 148 Siskiyou small stream at the sw shore Scott Mountains, Kangaroo Lake 1828 Comment
  UC535944  Carex halliana Elmer I. Applegate 1923-8-18 3880 Siskiyou Medicine Lake Comment
  RSA530123  Carex halliana D. W. Taylor, Glenn L. Clifton, Stone 1987-8-6 9248 Siskiyou Medicinne Lake, extreme NE portion of county; T43N R3E Sec 10, about 300 NW of USGS guard station on road to Little Mt. Hoffman 2040 Comment
  CAS-BOT-BC7660  Carex integra W. J. Ferlatte 1966-6-23 124 Siskiyou Yellow Rose Mine. 1981 Comment
  CAS-BOT-BC7616  Carex interior Elmer Ivan Applegate 1895-5-28 785 Siskiyou Sisson, Strawberry Valley. Comment
  SEINET3902483  Carex jepsonii D. H. Norris, T. Nelson; Steve Dowty 1971-7-23 19530 Siskiyou Along State Route 89 at Snowman's Hill Summit about 3 miles east of McCloud, CA.; 0 Comment
  RSA550445  Carex laeviculmis R. Tallent 1987-8-12 899 Siskiyou Klamath National Forest; Long Gulch Lake. 1940 Comment
  SEINET7563561 Image available Carex laeviculmis Frederick W. Oettinger, R. F. Thorne 1969-8-4 1179 Siskiyou Just N of Tobacco Lake. High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1890 Comment
  CHSC96004  Carex lemmonii L. P. Janeway 2006-7-4 8784 Siskiyou Klamath Ranges. Scott Mountains; Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  JEPS109283  Carex lemmonii D. W. Taylor 2005-7-14 19407 Siskiyou Mount Shasta, Bear Spring, Big Canyon Creek drainage. Comment
  HSC41053  Carex lenticularis var. lipocarpa J. O. Sawyer 1969-7-9 1108 Siskiyou S of Little Duck Lake 2012 Comment
  HSC76372  Carex lenticularis var. lipocarpa L. P. Janeway 1982-8-13 127 Siskiyou N side of Bear Lake 1814 Comment
  SEINET7564731 Image available Carex lenticularis var. lipocarpa Frederick W. Oettinger 1968-9-7 750 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, at water's edge, north side of Hancock Lake. 2042 Comment
  CAS-BOT-BC31435  Carex leporinella Louis C. Wheeler 1934-8-9 3087 Siskiyou Jaynes Canyon. 1981 Comment
  HSC38959  Carex luzulina J. O. Sawyer 1969-8-5 1759 Siskiyou W of Little Duck Lake 2073 Comment
  HSC103368  Carex luzulina Thomas W. Nelson, Jane Nelson 1984-7-28 7707 Siskiyou Along west side of Gumboot Lake 1860 Comment
  SEINET10817582  Carex luzulina A. Arthur Heller 1922-7-3 Heller 13674 Siskiyou Wet soil along Wagon creek, Mt. Eddy, in the Canadian zone, 2195 Comment
  UC1598403  Carex luzulina var. luzulina Ron Mastrogiuseppe, Joy Mastrogiuseppe 1986-8-2 4456 Siskiyou Panther Meadow on s side of mountain Shasta National Forest, Mt. Shasta Comment
  RSA550446  Carex mertensii R. Tallent 1987-8-12 900 Siskiyou Klamath National Forest; Long Gulch Lake. 1940 Comment
  HSC36157  Carex multicaulis J. P. Smith 1974-5-26 7553 Siskiyou Along FS Rd. 47N03 1524 Comment
  SEINET3356156 Image available Carex multicaulis Barbara L. Wilson, Richard E. Brainerd, Nick Otting 2009-5-6 15479 Siskiyou Along Ager-Beswick Road on south of Copco Reservoir Comment
  UC495521  Carex multicaulis Geo. D. Butler 1909-7-15 853 Siskiyou Highland Mine Comment
  UCD77461  Carex multicaulis Robert E. Preston 2001-6-23 1547 Siskiyou Klamath National Forest, n slope of Rainbow Mtn, T42N R1W ne 1/4 of se 1/4 Section 14 1828 Comment
  HSC77196  Carex multicaulis L. P. Janeway 1983-6-26 350 Siskiyou Near W Branch USFS Station 671 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
  HSC76376  Carex nebrascensis L. P. Janeway 1982-8-10 119 Siskiyou E side of Hwy. 96, 2 mi. S of Ti Bar 244 Comment
  SEINET7568940 Image available Carex nigricans Unknown 1969-8-10 38950 Siskiyou Mt. Shasta National Forest, S slope of Mt. Shasta, Panther Creek Meadows. 2195 Comment
  CAS-BOT-BC119468  Carex nudata A. A. Heller 1905-6-1 7921 Siskiyou Between Dunsmuir and Upper Soda Spring. Comment
  CHSC69840  Carex nudata Lawrence Janeway 1982-8-14 131 Siskiyou Along n shore of Klamath R. 426 Comment
  POM224492  Carex nudata L. C. Wheeler 1934-9-22 3296 Siskiyou Walker, Klamath River, Siskiyou Mountains. (Mt. Diablo Mer.) 518 Comment
  SEINET4292080 Image available Carex pachycarpa Unknown 2006-1 8738 Siskiyou Klamath Ranges. Salmon Mountains; slope on south side of South Fork Salmon River 0.5 km west of Carter Meadows Summit Deadman Peak 7.5' quad. Comment
  JEPS117599  Carex praegracilis Lowell Ahart, John Dittes 2010-7-30 16951 Siskiyou South side of a water ditch, at the edgee of the dry upland, about 30 yards south of the Shasta River, about 80 yards west of the pipe across the Shasta River, about 200 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) s 716 Comment
  RSA755707  Carex preslii Barbara Ertter 1990-7-14 9317 Siskiyou East side of Mount Eddy about 4 air miles due west of Mount Shasta City, at streamlet near end of Forest Road 41N53, about 1 mile north of Morgan Meadows 1677 Comment
  RSA238956  Carex preslii Frederick W. Oettinger 1969-8-19 1465 Siskiyou Abbott s Basin. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1860 Comment
  CHSC53537  Carex rossii L. P. Janeway 1983-8-27 621 Siskiyou Along the Twin Valley-Poker Flat trail; south of and slightly above a flat containing a dry vernal pool. 1676 Comment
  HSC37139  Carex rossii J. O. Sawyer 1969-7-25 1556 Siskiyou Midslope near High Lake 2119 Comment
  CHSC95999  Carex scabriuscula L. P. Janeway 2006-7-4 8788 Siskiyou Klamath Ranges. Scott Mountains; Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  SEINET7574452 Image available Carex scabriuscula L. P. Janeway 2006-7-4 8788 Siskiyou Scott Mountain 7.5' quad, Klamath Ranges, Scott Mountains, Darlingtonia fen and creeklet complex above Road 40N13 1.6 air km west of Scott Mountain Summit. 1728 Comment
  RSA238965  Carex scopulorum Frederick W. Oettinger 1969-9-4 1649 Siskiyou Tobacco Lake. Salmon Mountains High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC96604  Carex scopulorum var. bracteosa Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-19 485 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  SEINET7575020 Image available Carex scopulorum var. bracteosa Frederick W. Oettinger 1968-9-5 710 Siskiyou Salmon Mountains, the High Lake Basins in the vicinity of English Peak Marble, Mountain Wilderness Area, south end of Diamond Lake. 2073 Comment
  SEINET7575051 Image available Carex scopulorum var. bracteosa Ray Tallent 1987-8-12 906 Siskiyou Klamath National Forest, Long Gulch Lake. 1939 Comment
  SD204750  Carex simulata R. F. Thorne 1969-8-2 63397 Siskiyou Klamath Ranges region: Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness, along trail to English Peak. Comment
  CAS-BOT-BC117251  Carex spectabilis John Thomas Howell 1937-7-25 13480 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC117258  Carex spectabilis John Thomas Howell 1939-8-9 15232 Siskiyou Ridge South of Marble Valley, Marble Mts. Comment
  CHSC2107  Carex spectabilis N. Jaekel 1939-7-8 Siskiyou Panther Meadows, Mt. Shasta. 1828 Comment
  UC835741  Carex spectabilis John Thomas Howell 1939-8-8 15151 Siskiyou Black Mt. Marble Mts. Comment
  CAS-BOT-BC117239  Carex spectabilis William Bridge Cooke 1938-9-8 11666 Siskiyou Squaw Creek Meadows. Upper portions of the meadows at Squaw and Panther Creeks 2590 Comment
  HSC26706  Carex spectabilis William J. Ferlatte 1971-9-18 1379 Siskiyou Caribou Basin, Sawtooth Ridge 2256 Comment
  HSC30523  Carex spectabilis Frederick W. Oettinger 1968-9-6 732 Siskiyou Marble Mtn. Wilderness Area, on trail SE of Tom's Lake 2012 Comment
  HSC77253  Carex spectabilis L. P. Janeway 1983-7-9 392 Siskiyou S side of Indian Creek at FS 17N32 crossing 1159 Comment
  RSA238925  Carex spectabilis Frederick W. Oettinger 1968-9-4 700 Siskiyou Slope southeast of Abbott s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  RSA238926  Carex spectabilis Frederick W. Oettinger 1968-9-6 732 Siskiyou Trail southeast of Tom s Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  SEINET7575749 Image available Carex spectabilis Frederick W. Oettinger 1968-9-6 732 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness area, trail southeast of Tom's Lake. 2012 Comment
  CHSC110081  Carex straminiformis Robert F. Thorne; Fred Oettinger 1969-8-10 38977 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta; moist ground of streamlet originating as overflow from large water tank above ski lodge. 2316 Comment
  UCD140917  Carex subfusca J. M. Tucker 1950-7-24 1951 Siskiyou beside Cold Creek at the Military Road crossing, about 6 miles northwest of Pilgrim Creek Experiement Station, east side of Mt. Shasta. Comment
  CAS-BOT-BC115848  Carex subfusca William Bridge Cooke 1940-7-12 15353 Siskiyou Sisson Southern Trail Spring. 1981 Comment
  SEINET7577153 Image available Carex subfusca Frederick W. Oettinger 1969-8-10 1464 Siskiyou Plants of the Salmon Mountains. Between King David Peak and Abbotts Basin. 1859 Comment
  HSC19031  Castilleja applegatei J. O. Sawyer 1969-7-3 1054 Siskiyou SE facing slope above Horse Range Creek 1616 Comment
  CHSC4545  Castilleja applegatei subsp. pinetorum J. E. Bowlin 1967-7-18 50 Siskiyou Ca. 10 mi w of Mount Shasta Ski Bowl. 1981 Comment
  JEPS23769  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6826 Siskiyou just n and below Scott Mountain road summit; Scott Mountain 1615 Comment
  JEPS9789  Castilleja applegatei subsp. pinetorum Geo. D. Butler 1909-6-23 931 Siskiyou Goosenest Mountain Comment
  POM15470  Castilleja applegatei subsp. pinetorum E. B. Copeland 1903-8-14 13125 Siskiyou Sisson. Comment
Read comments
Jan 23 2011
  RSA425926  Castilleja applegatei subsp. pinetorum Francis W. Pennell 1940-7-18 26185 Siskiyou Route 99, 2-3 miles north of Mount Shasta City. 1159 Comment
  UC1374840  Castilleja applegatei subsp. pinetorum Noel H. Holmgren and Liew Fah Seong 1969-6-25 3616 Siskiyou 23 mi e McCloud (Calif Hwy 89, 1.3 mi from Shasta County line) Comment
  UC885411  Castilleja applegatei subsp. pinetorum A. A. Heller 1916-6-20 12398 Siskiyou ne base Mt. Eddy (Metcalf's Ranch) 1188 Comment
  SEINET13732872  Castilleja applegatei subsp. pinetorum G. D. Butler 1910-5-23 1388 Siskiyou Humbug Mountain. 1219 Comment
  CAS-BOT-BC243751  Castilleja applegatei var. pinetorum Doris K. Kildale 1928-7-2 5394 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  CAS-BOT-BC243758  Castilleja applegatei var. pinetorum Ira L. Wiggins 1955-7-24 13486 Siskiyou Ridge between upper reaches of China Creek and Blind Horse Creek 1463 Comment
  CAS-BOT-BC243762  Castilleja applegatei var. pinetorum Elmer I. Applegate 1936-5-2 10203 Siskiyou Lava Beds National Monument between Indian Well and Caldwell Butte 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-BC383123  Castilleja arachnoidea Andrew Townesmith; Karen M. Meyer 2007-7-30 869 Siskiyou Shasta-Trinity National Forest. At the upper end of county road A10, mile 13.8 (from beginning of road in Mount Shasta City, 12.7 miles from National Forest boundary sign). Highest vehicle accessible point on Mount Shasta 2399 Comment
  JEPS32674  Castilleja arachnoidea Paul C. Hutchison 1962-8-2 926 Siskiyou between top of ski lift and Panther Meadow; Mt. Shasta 2438 Comment
  SEINET3159135  Castilleja arachnoidea G. D. Butler 1910-7-8 1684 Siskiyou Shackleford Creek 1829 Comment
  HSC91236  Castilleja arachnoidea Jennifer Whipple 1976-6-19 1054 Siskiyou Mt. Eddy, near Dobkins Lake 2073 Comment
  RSA215641  Castilleja arachnoidea subsp. schizotricha Gilbert Muth 1969-8-6 1209 Siskiyou Boulder Peak. 2530 Comment
  HSC64583  Castilleja lacera J. O. Sawyer 1979-5-26 3362 Siskiyou Along Hwy. 3 on N side of Scott Mtn. 1341 Comment
  JEPS124594 Image available Castilleja lacera M. R. Kempf 1965-7-14 316 Siskiyou Located within 5 ft. from road - collected 4 miles west of Siskiyou Co., Calif. Dead Horse Summit. Comment
  UC1096817  Castilleja lacera Milo S. Baker 1957-6-16 13164 Siskiyou near Callahan (after turn-off, trip to Scott Mt.) Comment
  HSC72404  Castilleja miniata J. P. Smith, Steve Selva 1970-7-17 4477 Siskiyou Below Kangaroo Lake. 1890 Comment
  JEPS66425  Castilleja miniata L. R. Heckard and P. Rubtzoff 1971-8-1 2687 Siskiyou 4 mi below Mt. Eddys ridge summit (road from Stewarts Spring to The Eddys) 1584 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
  HSC19256  Castilleja miniata J. O. Sawyer 1969-7-18 1423 Siskiyou E of Russian Lake 2043 Comment
  JEPS77504  Castilleja minor subsp. minor L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-18 4872 Siskiyou 9 air mi e Montague (w of Table Rock); w of Table Rock 853 Comment
  CDA41233  Castilleja minor var. exilis J. G. Schieber 1978-7-2 Siskiyou U.S. Wildlife Preserve, Tule Lake. 0 Comment
  CAS-BOT-BC32551  Castilleja pilosa Amos Arthur Heller 1905-6-20 8079 Siskiyou Gazelle Comment
  HSC20550  Castilleja pilosa R. C. Wunner 1965-6-7 128 Siskiyou Lava Beds National Monument, near Dragon Head Cave 1364 Comment
  JEPS3824  Castilleja pruinosa Geo. D. Butler 1909-5-30 757 Siskiyou Humbug Mountain Comment
  UC1034001  Castilleja pruinosa Francis W. Pennell 1940-7-17 26172 Siskiyou w of Etna (ne slope of Salmon Mountains); Salmon Mountains 1859 Comment
  HSC76870  Castilleja pruinosa K. T. Stillman 1976-9-9 468 Siskiyou Marble Mountain Wilderness Area, Marble Valley Guard Station. 1738 Comment
  POM42908  Castilleja pruinosa Geo. D. Butler 1910-5-23 1388 Siskiyou Humbug Mtn. 1220 Comment
  SEINET10549442  Castilleja pruinosa Morris 1973-6-2 MORRIS 365 Siskiyou Found at the jct of shasta and klamath rivers on hwy 263. Comment
  CAS-BOT-BC241087  Castilleja schizotricha John Thomas Howell 1939-8-4 15043 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  CHSC57458  Castilleja tenuis L. P. Janeway 1984-6-21 863 Siskiyou Garvey Bar, south side Klamath River just east of humbug Point. 594 Comment
  UC229953  Ceanothus cordulatus H. E. Brown Jun 1-10 1897 Siskiyou near Sisson 1083 Comment
  CAS-BOT-BC49186  Ceanothus cuneatus C. Hart Merriam 1919-9-24 s.n. Siskiyou Ager Comment
  CAS-BOT-BC49192  Ceanothus cuneatus Doris K. Kildale 1929-7-20 8545 Siskiyou Trail to Preston Peak along South Fork Indian Creek 2133 Comment
  CAS-BOT-BC49188  Ceanothus cuneatus W. R. Dudley 1905-7-7 s.n. Siskiyou Top Siskiyou Mountains Comment
  JEPS42185  Ceanothus cuneatus var. cuneatus Geo. D. Butler 1908-6-20 497 Siskiyou Bulter's Ranch Yreka Comment
  UC796506  Ceanothus cuneatus var. cuneatus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11811 Siskiyou At Mule Creek crossing of Scott Mt. Rd 1524 Comment
  CAS-BOT-BC63650  Ceanothus integerrimus John Thomas Howell 1934-7-4 12393 Siskiyou SE. corner of Siskiyou Co. Comment
  JEPS24612  Ceanothus integerrimus Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-8-31 6765 Siskiyou along S.P. (Shasta Route) (rr grade in upper Sacramento River Canyon, in 1.5 mi stretch betw Shasta Retreat (at n outskirts of Dunsmuir) to Mossbrae Falls and Shasta Springs) 731 Comment
  UCR136765  Ceanothus integerrimus E. E. Stanford 1930-6-15 1586 Siskiyou 1 mile north of Dunsmuir 793 Comment
  SEINET5339320  Ceanothus integerrimus G. Butler 1910-8-7 1819 Siskiyou Humbug Mountain 1219 Comment
  RSA105432  Ceanothus integerrimus var. macrothyrsus G. D. Barbe 1955-6-30 57 Siskiyou 0.6 mile NW of Forest Camp, Etna 100ft S of Johnson Creek on dry hillside. 945 Comment
  SEINET5430944 Image available Ceanothus jepsonii Ross C. Clark, Bob Harvey; Chris Harvey 23913 Siskiyou Town of Mt. Shasta. Comment
  CAS-BOT-BC53087  Ceanothus prostratus W. R. Dudley 1899-8-9 s.n. Siskiyou Near Sisson Comment
  RSA68934  Ceanothus prostratus A. E. Culbertson 1943-7-17 24 Siskiyou Down the grade on road to town of Shasta from Castle Lake, 5434ft, in N facing ciruqe with an abrupt 1000ft backwall, 14 miles SW of Mt. Shasta on N side of a 6600ft eastern spur of Trinity Mts., 2000ft above Sacramento River within 10 air miles of its headwaters to the W Comment
  UCD123997  Ceanothus prostratus D. O. Burge 2009-5-13 1165 c Siskiyou Scott Mountains, The Eddys, Parks Creek watershed, west of Tamarack Flat, and south-east of Caldwell Lakes, roadside on FR 17, parking 11.4 road miles (18.3 km) south-west of Old Hwy 99 via Stewart Springs Road and FR 17, 17.2 km 188 deg. (True) SSW of Gazelle. 1950 Comment
  CAS-BOT-BC63199  Ceanothus velutinus Brent Helm; Curtis Miller; Mark Steiger 1988-4-30 78 Siskiyou unspecified. 1463 Comment
  HSC30657  Ceanothus velutinus Frederick W. Oettinger 1968-8-10 469 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area; east side of Hancock Lake 1936 Comment
  RSA398977  Ceanothus velutinus J. O. Sawyer 1977-7-6 3020 Siskiyou open slopes S of Little Duck Lake 2134 Comment
  UC1409314  Ceanothus velutinus Frederick W. Oettinger and R. F. Thorne 1969-8-6 1228 Siskiyou on se side Pine Lake (at edge of a talus boulder side area (high lake basins in vicinity of English Peak)); Salmon Mountains, Marble Mountain Wilderness Area 1905 Comment
  UC375372  Ceanothus velutinus Geo. D. Butler 1908-8-3 412 Siskiyou Shackleford Creek Log Lake, Shackleford Creek Comment
  UCD112829  Ceanothus velutinus John Sawyer 1977-7-6 3020 Siskiyou South of Little Duck Lake. 2133 Comment
  UCR95633  Ceanothus velutinus L. C. Wheeler 1963-9-3 8339 Siskiyou Siskiyou Mtns. Cyclone Gap chrome mine Comment
  SEINET5339451  Ceanothus velutinus H. A. Jensen 1933-9-25 s.n. Siskiyou Spring hill Comment
  CAS-BOT-BC52844  Ceanothus velutinus var. velutinus Doris K. Kildale 1928-8-20 6588 Siskiyou Lily Pad Lake near Hancock Lookout on trail to Marble Mt. Comment
  UCD14430  Centaurea cyanus R. M. Rhode 1984-5-26 s.n. Siskiyou downtown Weed, at the intersection of Highway 97 and Business 5; 1056 Comment
  CAS-BOT-BC106027  Centaurea virgata subsp. squarrosa R. E. Frenkel 1964-7-14 685 Siskiyou On a southern shoulder of Everitt Memorial Highway just east of a point 3.7 miles north of McCloud River RR crossing. 1493 Comment
  CAS-BOT-BC288801  Centromadia fitchii Carl B. Wolf 1927-8-26 1003 Siskiyou On the Klamath River, 5 miles below Hornbrook Comment
  UC1618226  Cerastium arvense Barbara Ertter 1990-7-14 9339 Siskiyou ca. 4 airmiles w. Mt. Shasta City (Wagon Creek on e. side of Mt. Eddy, where several forks join before steep drop); Mt. Eddy, Wagon Creek 1828 Comment
  CAS-BOT-BC384967  Cerastium arvense A. A. Heller 1921-7-17 13572 Siskiyou On the south slope of Mt. Eddy 1828 Comment
  RSA215611  Cerastium arvense Gilbert Muth 1969-8-6 1199 Siskiyou Boulder Peak. 2530 Comment
  CAS-BOT-BC384987  Cerastium dichotomum T. C. Fuller 1962-5-18 8475 Siskiyou B. M. Long prop., Little Shasta Rd., 5 mi. e. of Montague Comment
  HSC71542  Cercis occidentalis J. P. Smith, Steve Selva 1970-6-15 3948 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  SEINET10907015  Cercis occidentalis LeRoy E. Detling 1947-6-2 Detling 6043 Siskiyou 1 mi. west of Hamburg. T46N R11W S26 427 Comment
  CAS-BOT-BC135450  Cercocarpus betuloides var. betuloides Geo. D. Butler 1910-4-16 1179 Siskiyou Klamath Hills Comment
  HSC101733  Cercocarpus ledifolius Michael Kauffmann 2013-5-27 13 Siskiyou West ridgeline above Wright Lake 2222 Comment
  CAS-BOT-BC148514  Cercocarpus ledifolius var. ledifolius John Thomas Howell 1964-5-11 40702 Siskiyou Ridge ne. of Callahan on road to Gazelle Comment
  UC1539981  Cercocarpus ledifolius var. ledifolius M. H. Mitchell 1936-5-21 Siskiyou Modoc Lava Beds National Monument, s of the road to Devil's Gate Modoc Lava Beds National Monument 1310 Comment
  UC375376  Cercocarpus ledifolius var. ledifolius Geo. D. Butler 1909-7-15 921 Siskiyou Highland Mine Comment
  HSC36766  Cercocarpus montanus var. glaber J. P. Smith 1974-5-25 7399 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  CAS-BOT-BC276780  Chaenactis douglasii var. douglasii Alice Eastwood 1912-8-30 1999 Siskiyou Mount Eddy Comment
  CAS-BOT-BC276760  Chaenactis douglasii var. douglasii A. A. Heller 1916-6-23 12431 Siskiyou Near Black Butte N of Sisson 1127 Comment
  CAS-BOT-BC276775  Chaenactis douglasii var. douglasii Gilbert Muth 1965-8-12 s.n. Siskiyou Black Mountain, S slope Comment
  POM351689  Chaenactis douglasii var. douglasii E. E. Stanford 1930-6-15 1592 Siskiyou Near Shasta City Comment
  RSA215647  Chaenactis douglasii var. douglasii Gilbert Muth 1969-8-7 1252 Siskiyou Boulder Peak Ridge. 2470 Comment
  CAS-BOT-BC106041  Chaenactis suffrutescens L. E. Smith 1913-6-12 s.n. Siskiyou Road from Sisson to Castle Lake Comment
  CAS-BOT-BC141585  Chamaebatiaria millefolium Oliver V. Matthews 1939-7-13 35 Siskiyou Goose Nest Grove-Goose [Gosse] Nest Region 1828 Comment
  RSA749203  Chamaebatiaria millefolium K. M. Meyer, A. Townesmith 2007-9-18 222 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
  SBBG29101  Chamaebatiaria millefolium J. W. Thompson 1936-7-8 13151 Siskiyou lava slopes of Lava Beds Nat Monument Comment
  HSC19503  Chamerion angustifolium subsp. circumvagum J. O. Sawyer 1969-8-4 1794 Siskiyou Along C.C.C. road 1341 Comment
  CAS-BOT-BC68216  Cheilanthes gracillima Edward Lee 1934-8-14 1108 Siskiyou Little Grayback - Siskiyou-Del Norte County Line. 1868 Comment
  CAS-BOT-BC68218  Cheilanthes gracillima Maxine Wilkes 1940-8-1 s.n. Siskiyou Deep Lake, Marble Mts. Comment
  UC335137  Cheilanthes gracillima unknown Nov. 1891 Siskiyou near Sisson (Box Canyon) Comment
  UC42423  Cheilanthes gracillima Marshall A. Howe Aug. 1894 Siskiyou near Shasta (Soda Springs) Comment
  UCR101226  Cheilanthes gracillima L. C. Wheeler 1958-8-21 7413 Siskiyou Siskiyou Mountains, Lily Pad Lake, head W Fork Seiad Creek 1820 Comment
  CAS-BOT-BC68209  Cheilanthes gracillima W. R. Dudley 1901-8-22 s.n. Siskiyou Foxtail Ridge Comment
  HSC1001  Cheilanthes gracillima Jerry Parker 1968-10-6 135 Siskiyou Salmon Mtns. above Sugar Lake 1829 Comment
  UC1190383  Cheilanthes gracillima Ira L. Wiggins 1955-7-27 13531 Siskiyou w side Caribou Lake; Salmon-Trinity Alps Primitive Area Comment
  HSC67642  Chimaphila umbellata J. P. Smith, Steve Selva 1970-7-17 4461 Siskiyou Below Kangaroo Lake. 1890 Comment
  SD88341  Chimaphila umbellata Darley F. Howe 1972-7-6 Siskiyou 3.2 miles south of Oregon state line on road to Happy Camp 1402 Comment
  UC933355  Chimaphila umbellata Annie M. Alexander and Louise Kellogg 1948-9-8 5598 Siskiyou e. side top of grade between Sawyers Bar and Etna; Siskiyou Mts. 1737 Comment
  SEINET6976053  Chimaphila umbellata subsp. occidentalis Unknown 1986-9-13 2156 Siskiyou Along Canyon Creek Trail between trailhead at Lovers Camp and first junction; near Marble Mountain Wilderness. Comment
  RSA186843  Chloris virgata T. C. Fuller 1966-10-5 15243 Siskiyou at edge of pavement, w. side of Interstate 5 just s. of exit to Hilts. Comment
  CDA3726  Chorispora tenella F. Wallier 1961-5-16 Siskiyou 1 mile northwest of Gazelle. 0 Comment
  POM208524  Chorizanthe membranacea Louis C. Wheeler 1934-6-9 2665 Siskiyou Klamath River between Dutch Creek and Deadman Gulch, Siskiyou Mountains 671 Comment
  CAS-BOT-BC36385  Chrysolepis chrysophylla Doris K. Kildale 1929-7-20 8660 Siskiyou Trail up South Fork of Indian Creek to Elk Lick Comment
  CAS-BOT-BC36250  Chrysolepis sempervirens W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountains Comment
  HSC4936  Chrysolepis sempervirens J. O. Sawyer 1968-6-25 332 Siskiyou 1646 Comment
  UCD110140  Chrysolepis sempervirens C. H. Merriam 1898-9-1 s.n. Siskiyou From south side of Mt. Shasta. 914 Comment
  RSA14165  Chrysolepis sempervirens C. Hart Merriam 1898-09 s.n. Siskiyou From south side of Mt. Shasta. 2439 Comment
  UC1136965  Chrysothamnus viscidiflorus subsp. viscidiflorus H. A. Jensen 1933-8-29 344 Siskiyou near Cedar Park School; Dunsmuir Quad. 883 Comment
  RSA603491  Cichorium intybus L. C. Wheeler 1935-6-27 3614 Siskiyou Greenview, Scott Valley. 884 Comment
  UC60955  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
  UCD59780  Cinna latifolia J. M. Tucker 1963-8-19 3775 Siskiyou Marble Mountain Wilderness Area, headwaters of Canyon Creek. 1950 Comment
  CHSC85687  Circaea alpina subsp. pacifica G. F. Hrusa 1998-7-5 14698 Siskiyou Siskiyou Mountains. Cedar Camp Rd. +/- 5 mi. E of Weitchpec on Hwy 96. N side of Hwy. Mile 4.x. Roadside. Comment
  HSC19235  Circaea alpina subsp. pacifica J. O. Sawyer 1969-7-18 1408 Siskiyou Head of S Russian Creek 1829 Comment
  CHSC72227  Cirsium arvense Vernon H. Oswald; Lowell Ahart 1998-9-16 9633 Siskiyou Hwy. 161 adjacent to a marsh at the Lower Klamath NWR 5.3 mi east of Hwy. 97. 1243 Comment
  UC165434  Cirsium arvense Geo. D. Butler 1909-10-3 975 Siskiyou Comment
  CAS-BOT-BC105781  Cirsium ciliolatum T. C. Fuller; D. M. Shaw 1977-8-30 20220 Siskiyou South side of Willow Creek road, west slope of Willow Creek Mtn., 21 km. northeast of Montague 1370 Comment
  CAS-BOT-BC278034  Cirsium cymosum D. H. Shaw; T. C. Fuller 1978-7-5 20246 Siskiyou North side of York Road, 0.3 km. east of Bryant-Willow Creek Road, 15 km. north of Montague Comment
  CDA1185  Cirsium cymosum T. C. Fuller 1978-7-5 20245 Siskiyou 17.5 km NE of Montague; N side of Willow Creek Rd., 2.7 km east of York Rd. 0 Comment
  CDA1190  Cirsium cymosum B. Villegas 1999-6-8 s.n. Siskiyou 3 mi. N/ Yreka; Jim Sewell property, near junction Anderson Grade Rd. & Hwy 263 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-BC279890  Cirsium douglasii var. breweri Peter H. Raven 1956-9-5 10442 Siskiyou North Fork of Sacramento River 2194 Comment
  UC30778  Cirsium douglasii var. breweri W. A. Setchell, C. C. Dobie 1902-7-15 A Siskiyou Sisson Mount Shasta, Sisson Comment
  UC454287  Cirsium douglasii var. breweri I. J. Condit 1911-7-31 Siskiyou Shasta Springs Comment
  CAS-BOT-BC279884  Cirsium douglasii var. breweri John Thomas Howell 1952-6-14 28329 Siskiyou Mt. 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
  POM53737  Cirsium douglasii var. breweri E. B. Copeland 1903-8-14 3934 Siskiyou Sisson 1067 Comment
  POM33211  Cirsium occidentale var. venustum Geo. D. Butler 1910-6-6 1456 Siskiyou Quartz Valley Comment
  CAS-BOT-BC288775  Cirsium remotifolium Geo. D. Butler 1908-8-4 335 Siskiyou W Fork of Wooley Creek Comment
  HSC79332  Cirsium remotifolium D. H. Norris 1968-7-28 2193 Siskiyou Along Salmon River ca. 1 mi. S of Big Flat 1524 Comment
  OBI54113  Cirsium remotifolium var. odontolepis David J. Keil, Kathleen Keil and Mary Faustini 1990-7-28 s.n. Siskiyou Klamath NF. Marble Mtn Wilderness. Rye Crk trl Comment
  HSC64522  Clarkia amoena J. P. Smith, Steve Selva 1970-6-15 3927 Siskiyou 7 mi. NW of Forks of Salmon Comment
  CAS-BOT-BC172046  Clarkia gracilis subsp. gracilis Roxana S. Ferris; Laura Lorraine 1948-6-12 11711 Siskiyou Schoolhouse Hill, Plowmans Valley (Noyes Valley), east fork of Scott River Comment
  CAS-BOT-BC163461  Clarkia purpurea subsp. quadrivulnera Lewis S. Rose 1945-6-18 45094 Siskiyou Horse Creek & Klamath River 502 Comment
  RSA60534  Clarkia rhomboidea John H. Thomas 1949-6-16 948 Siskiyou 0.25 mile north of Beaver Creek Public Camp; 5 miles north of junction of Beaver Creek and Klamath River; Klamath National Forest. Comment
  CAS-BOT-BC164979  Clarkia rhomboidea Geo. D. Butler 1910-5-30 1436 Siskiyou Dry land near Hawkinsville Comment
  CAS-BOT-BC439105  Claytonia cordifolia G. J. Muth 1969-8-12 1380 Siskiyou Second Valley Comment
  HSC62629  Claytonia cordifolia Al Hobart Siskiyou Youngs Valley 1524 Comment
  CAS-BOT-BC439627  Claytonia parviflora subsp. parviflora J. H. Thomas 1949-6-16 951 Siskiyou 1/4 miles north of Beaver Creek Public Camp, along Beaver Creek; 5 miles north of junction of Beaver Creek and Klamath River; Klamath National Forest. Comment
  UC7888  Claytonia parviflora subsp. parviflora T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  CDA17137  Claytonia rubra G. F. Hrusa 2001-6-6 15851 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
  RSA211299  Claytonia rubra William J. Ferlatte 1966-6-22 107 Siskiyou Wooded area 3 miles S of Big Flat. 1585 Comment
  CAS-BOT-BC443829  Claytonia rubra subsp. rubra H. A. Thomas; J. H. Thomas 1954-7-21 4427 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek. 1219 Comment
  HSC30232  Claytonia rubra subsp. rubra William J. Ferlatte 1968-6-8 1131 Siskiyou Big Flat, near campground 1524 Comment
  SBBG1955  Claytonia rubra subsp. rubra J. M. Tucker 1947-5-17 1558 Siskiyou ca. 5 mi SE of Callahan on rd to Scott Mtn Comment
  JEPS43336  Claytonia sibirica Geo. D. Butler 1909-7-15 964 Siskiyou Highland Mine 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
  UC843793  Clintonia uniflora L. E. Smith 1913-9-1 558 Siskiyou Mount Eddy Comment
  RSA181625  Cnicus benedictus Dorothy Parker 1950-6-19 458 Siskiyou Near Scott River, Scott Valley (Horn Ranch) 851 Comment
  CHSC88115  Collinsia grandiflora Jenny Marr 1993-7-1 125 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC42972  Collinsia linearis J. O. Sawyer, Ken Stillman 1976-5-29 2743 Siskiyou Along Specimen Creek 915 Comment
  HSC43382  Collinsia parviflora Maralyn O'Meara 1974-5-26 458 Siskiyou Along USFS Rd. 47N03 1524 Comment
  HSC68497  Collinsia parviflora Maralyn A. Renner 1980-6-22 887 Siskiyou Slopes N of Little Shasta River 1372 Comment
  JEPS66321  Collinsia parviflora L. R. Heckard with T. I. Chuang 1971-6-16 2585 Siskiyou ca 2 mi n Weed (along US Hwy 97) 1066 Comment
  UC1258444  Collinsia parviflora Maralyn A. Renner 1980-7-23 1828 Siskiyou near ridge about 1 mi e of Cook and Green Pass (Klamath National Forest, Pacific Crest Trail); Klamath National Forest, Pacific Crest Trail 1752 Comment
  UC54656  Collinsia parviflora H. M. Hall and E. B. Babcock Jun 1903 4069 Siskiyou near Upton (Sierra Nevada Mountains, Mount Shasta); Sierra Nevada Mountains, Mount Shasta 1066 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
  HSC628  Collinsia torreyi var. latifolia William J. Ferlatte 1966-7-7 217 Siskiyou N side of Caribou Mtn. 1982 Comment
  SBBG30535  Collinsia torreyi var. latifolia D. Myrick 1968-6-25 2022 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  HSC82211  Collomia grandiflora Thomas W. Nelson, Jane P. Nelson 1980-7-5 5974 Siskiyou Fowler's Campground 1006 Comment
  UC23612  Collomia grandiflora T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  UC449739  Collomia grandiflora Vertebrate Museum 1911-7-16 258 Siskiyou S. Fk. Salmon River Comment
  CHSC86641  Collomia tinctoria Jenny Marr 1993-7-1 24 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC27966  Collomia tracyi Carl W. Mize 1972-6-8 4 Siskiyou Along main trail 335 Comment
  RSA126297  Collomia tracyi I. L. Wiggins 1955-7-22 s.n. Siskiyou South Fork of Salmon River, 9.5 miles above Cecilville. 1067 Comment
  UC224205  Convolvulus arvensis H. E. Brown Jun 11 1897-Jun 16 1897 409 Siskiyou Mt. Shasta; n side 1524 Comment
  UCSB24759  Corallorhiza maculata Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass; north of Seiad Valley 1341 Comment
  HSC29151  Corallorhiza maculata Frederick W. Oettinger 1969-7-28 1090 Siskiyou Salmon Mountains, High Lake Basins, NNE of Pine Lake 2073 Comment
  HSC19049  Corallorhiza mertensiana J. O. Sawyer 1969-7-25 1551 Siskiyou S of High Lake 2210 Comment
  HSC491  Corallorhiza striata William J. Ferlatte 1967-6-29 580 Siskiyou Big Flat, near public camp 1524 Comment
  HSC90874  Cordylanthus tenuis subsp. pallescens L. R. Heckard 1972-8-4 3150 Siskiyou Along Pony Trail Dr., near Shasta Abbey (Zen Mission), SE of Black Butte (N of Mt. Shasta City) 0.1 mi. from road paralleling old Hwy. 99 Comment
  UCD123170  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-8 16255 Siskiyou on road 26 between Lake Siskiyou and Gumboot Lake, at junction, about 3/4 mile uphill of road 40N43. 1509 Comment
  JEPS7047  Cordylanthus tenuis subsp. viscidus Rimo Bacigalupi with G. T. Robbins and C. L. Custer 1954-8-13 4795 Siskiyou on road from Callahan to Carrville (1.2 mi above (and s of) junction with Gazelle road, lower part of grade over Scott Mt.) 1097 Comment
  CAS-BOT-BC212281  Cornus glabrata Wm. Bridge Cooke 1940-6-20 15171 Siskiyou Along the bank of the Klamath River along the Pacific Highway below Hornbrook. 609 Comment
  UC1280736  Cornus glabrata H. E. McMinn 1931-6-26 2511 Siskiyou near Dunsmuir Comment
  CAS-BOT-BC212069  Cornus nuttallii Elmer I. Applegate 1895-5-29 224 Siskiyou Sisson, west base of Mount Shasta Comment
  POM132431  Cornus nuttallii E. B. Copeland 1903-9-8 3850 Siskiyou Foot of Mt. Eddy. 1220 Comment
  RSA397468  Cornus nuttallii M. B. Dunkle 1944-7-15 9107 Siskiyou Siskiyou National Forest. 1768 Comment
  CAS-BOT-BC210419  Cornus sericea A. A. Heller 1905-6-15 8043 Siskiyou On the banks of the Sacramento west of and near Sisson Comment
  HSC19034  Cornus sericea subsp. sericea J. O. Sawyer 1969-8-4 1928 Siskiyou Headwaters of S Sugar Creek. 2043 Comment
  RSA8556  Cornus stolonifera Elmer I. Applegate 1923-9-7 3947 Siskiyou Doggett Creek, Klamath River. Comment
  HSC19273  Corylus cornuta subsp. californica J. O. Sawyer 1968-7-23 595 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  JEPS124699 Image available Corylus cornuta subsp. californica Joe Ammirati 1964-7-1 78 Siskiyou Fowler's Camp ground below lower falls on the McCloud River. Comment
  CAS-BOT-BC290474  Crepis acuminata K. T. Stillman 1976-7-15 247 Siskiyou Marble Mountain Wilderness Area Comment
  JEPS36411  Crepis acuminata W. L. Jepson 1937-7-30 18533 Siskiyou near Poker Flat; Summit Siskiyou Mts. 1584 Comment
  HSC66397  Crepis pleurocarpa Maralyn A. Renner 1980-8-21 2602 Siskiyou SW of trail from Leroy Mine to Sunrise Basin near ridge 2287 Comment
  CHSC71280  Crocidium multicaule Vernon H. Oswald; Lowell Ahart 1998-6-11 9215 Siskiyou Butte Valley National Grassland near the juction of Meiss Lake-Sams Neck Rd. and Hwy. 97 ca. 5 mi north of Macdoel. 1295 Comment
  JEPS93823  Crocidium multicaule Vernon H. Oswald and Lowell Ahart 1998-6-11 9197 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on the s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  SEINET7073599  Crocidium multicaule A. G. Vestal 1955-5-18 s.n. Siskiyou About 2.2 miles southeast of Dorris on US Route 97. UTM Zone 10, 588147mE, 4642648mN. Coordinate datum: NAD27. Comment
  UC895377  Crocidium multicaule Louis C. Wheeler 1935-5-5 3463 Siskiyou Greenhorn Creek Siskiyou Mts., Mt. Diablo Meridian, Greenhorn Creek 853 Comment
  JEPS112999  Cryptantha affinis Dean W. Taylor 1999-6-9 17234 Siskiyou Humbug Gulch, ca. 1 mile WNE of Yreka 899 Comment
  UC163852  Cryptantha dissita Geo. D. Butler 1910-5-27 1416 Siskiyou near Yreka Comment
  CHSC85763  Cryptantha flaccida G. Douglas Barbe; J. T. Howell, T. C. Fuller 1980-5-20 2770 Siskiyou Klamath Ranges. At the bridge of Hwy 3 over the East Fork Scott River, 2 mi W of Callahan. 987 Comment
  JEPS125890  Cryptantha milobakeri Dean W. Taylor 1996-7-11 15786 Siskiyou Shasta Trinity National Forest; Scott Mountains, ridge dividing West Fork Parks Creek drainage from Willow Creek drainage, ca 15 air miles W of Weed and 3 air miles W of Stewart Springs. Comment
  HSC49928  Cryptantha subretusa Gilbert Muth 1978-8-2 6760 Siskiyou Near S China Mtn. close to the town of Cassel 2439 Comment
  HSC99247  Cryptantha subretusa Jennifer Whipple 1976-9-2 1761 Siskiyou S face of Mt. Eddy draining into the N Fork of the Sacramento River 2500 Comment
  UC1212566  Cryptantha torreyana Francia Chisaki and Helen Sharsmith 1959-8-20 4732 Siskiyou divide between Scott River and East Fork of Salmon River; Inner North Coast Ranges, Carrigher Summit 1981 Comment
  CAS-BOT-BC70480  Cryptogramma acrostichoides Ira L. Wiggins 1955-7-27 13529 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CHSC46  Cryptogramma acrostichoides V. Holt 1932-7-12 Siskiyou Castle Lake. 1767 Comment
  HSC30637  Cryptogramma acrostichoides Frederick W. Oettinger 1968-8-5 404 Siskiyou Marble Mtn. Wilderness Area, 'Shasta Ridge' between Diamond Lake and English Peak 2073 Comment
  POM120358  Cryptogramma acrostichoides Geo D. Butler 1910-7-12 1755 Siskiyou Shackleford Creek 1372 Comment
  UC42458  Cryptogramma cascadensis Marshall A. Howe 1894-8-4 Siskiyou Mt Shasta 2590 Comment
  CAS-BOT-BC85606  Cupressus bakeri C. B. Wolf; E. R. Johnson 1934-10-8 6167 Siskiyou Modoc Lava Beds, 1 mi. N.E. of Timbered Crater on Old Stage Rd. from Dana to Little Hot Springs Valley 1219 Comment
  RSA352344  Cupressus bakeri C. B. Wolf, ER Johnson 1934-10-8 61167 Siskiyou Modoc Lava Beds, 1 mile NE of Timbered Crater on old Stage road from Dana to Little Hot Springs Valley 1220 Comment
Read comments
Mar 29 2012
  JEPS24800  Cuscuta howelliana Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6809 Siskiyou about 3 mi nw Weed (head of Shasta Valley); Shasta Valley 975 Comment
  RSA625529  Cuscuta occidentalis L. C. Wheeler 1963-8-25 8268 Siskiyou South side of Preston Peak: Rattlesnake Meadow. Comment
  UC879584  Cuscuta suksdorfii Louis C. Wheeler 1934-7-31 3011 Siskiyou 1 mi e Dry Lake Lookout; Siskiyou Mts. 1828 Comment
  HSC61606  Cycladenia humilis Ruby Van Deventer 1970-6-6 Siskiyou Lookout Mtn. Comment
  RSA17701  Cycladenia humilis Elmer I. Applegate 1935-6-10 s.n. Siskiyou Siskiyou County: steep cinder slope of Caldwell Butte, Lava Beds National monument, NE corner of Siskiyou Comment
  CDA5639  Cynoglossum officinale G. Deal 1967-6-13 Siskiyou 5 miles south of McCloud. 0 Comment
  RSA610958  Cyperus erythrorhizos L. C. Wheeler 1935-7-20 3673 Siskiyou Scott Valley: Scott river 1.5 miles west of Fort Jones. 822 Comment
  CAS-BOT-BC114145  Cyperus squarrosus Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar. Comment
  CAS-BOT-BC133735  Cypripedium californicum Doris K. Kildale 1929-7-20 8537 Siskiyou Field redacted by CAS, contact the data manager for more information 1219 Comment
  SEINET8253671  Cypripedium californicum Frank Callahan 2007-7-5 Siskiyou Methodist Camp Meadows (south of) up Scott Camp Creek. Comment
  UC845296  Cypripedium montanum S. P. Rixford Siskiyou Hilt Comment
  CAS-BOT-BC70708  Cystopteris fragilis John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53437 Siskiyou along East Fork Scott River 2 miles east of Callahan on road to Gazelle 990 Comment
  UC618801  Cystopteris fragilis W. Bridge Cooke 1938-7-29 11421 Siskiyou Wagon Camp spring creek Wagon Camp; Mt. Shasta Comment
  CDA42723  Cystopteris fragilis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2767 Siskiyou North side of road, 2 miles (3.2 km) east of Callahan, at Highway 3 bridge over East Fork Scott River. Comment
  RSA237511  Cystopteris fragilis Frederick W. Oettinger 1969-7-9 944 Siskiyou Vernally moist dry meadows N.W. of upper English Lake. Salmon Mtns. High Lakes Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  UCD136360  Cystopteris fragilis P. Quentin Tomich 1954-6-29 435 Siskiyou Silver Cave, Lava Beds National Monument. 1402 Comment
  CAS-BOT-BC192257  Danthonia californica Louis C. Wheeler 1934-7-2 2842 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts. 1280 Comment
  HSC30539  Danthonia californica Frederick W. Oettinger 1969-9-4 1657 Siskiyou Marble Mtn. Wilderness Area, Hancock Lake. 1890 Comment
  RSA585077  Danthonia californica L. C. Wheeler 1934-7-2 2842 Siskiyou Little Smoky Creek, Sterling Mt., Siskiyou Mts. 1280 Comment
  UC1265438  Danthonia californica F. W. Oettinger and R. F. Thorne 1969-8-4 1153 Siskiyou above English Lake (w Siskiyou Co.); Salmon Mountains, Sundew Bog 1828 Comment
  POM205938  Danthonia californica var. americana Copeland 1903-9-6 3789 Siskiyou Mt. Eddy Comment
  UCR19365  Danthonia californica var. americana John C. Roos 1965-8-8 s.n. Siskiyou Marble Mtns., Middle Sky High Lake Comment
  CHSC61562  Danthonia californica var. californica L. P. Janeway 1983-8-26 595 A Siskiyou Siskiyou Mountains; at Poker Flat, in the upper part of the lower portion of the meadow. 1524 Comment
  RSA239126  Danthonia intermedia Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1173 Siskiyou Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC91411  Danthonia unispicata Jennifer Whipple 1976-7-7 1333 Siskiyou N slopes of Mt. Eddy. 2439 Comment
  SJSU11324  Danthonia unispicata S. H. Casey 1981-7-4 1216 Siskiyou Seiad Creek Road near Cook & Green Pass, Siskiyou Mts c. 9 mi N of Seiad Valley 1511 Comment
  UCD61327  Danthonia unispicata A. H. Murphy 1959-7-21 59 B Siskiyou Shasta National Forest. Deadfall Lake area. 2225 Comment
  HSC67646  Darlingtonia californica J. P. Smith, Steve Selva 1970-7-27 4522 Siskiyou Gumboot Lake 1768 Comment
Read comments
Jun 7 2012
  RSA422668  Darlingtonia californica Christopher Davidson 1975-6-5 2676 Siskiyou 3.3 miles from gate on special service road branching to SE of road from Gazelle to Callahan 9.3 miles W of Gazelle; Klamath Nat'l Forest. 1623 Comment
  UC11153  Darlingtonia californica W. A. Setchell, C. C. Dobie July, 1902 Siskiyou near Sisson; Mount Shasta, 18th Crossing Comment
  UC1483479  Darlingtonia californica Maralyn A. Renner 1980-8-6 2294 Siskiyou Cracker Meadow Klamath National Forest, Preston Peak Quad. 1554 Comment
  HSC64831  Darmera peltata J. P. Smith 1973-5-5 6387 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  CAS-BOT-BC141830  Dasiphora fruticosa A. A. Heller 1915-8-26 12223 Siskiyou Heather meadow near the head of Wagon Creek Canyon, Mt. Eddy 2590 Comment
  CAS-BOT-BC10230  Delphinium hesperium Doris K. Kildale 1929-5-26 9182 Siskiyou Salmon River at Hawkins Bar 609 Comment
  CAS-BOT-BC9891  Delphinium nudicaule Doris K. Kildale 1930-6-1 9852 Siskiyou summit between Sawyers Bar and Etna Mills Comment
  HSC27303  Delphinium nuttallianum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5695 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  HSC63059  Delphinium nuttallianum David Wheeler 1979-4-1 4 Siskiyou Matthews Creek Campground, S Fork of the Salmon River, between Cecilville and Forks of the Salmon 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
  UC467719  Delphinium nuttallianum Annie M. Alexander and Louise Kellogg 1911-6-26 193 Siskiyou Jackson L. 1798 Comment
  RSA790244  Delphinium nuttallianum Rebecca Wenk 2005-7-19 347 Siskiyou Border between Siskiyou and Trinity Counties, National Forest Road 17, parking lot where Pacific Crest Trail crosses road at top of pass. 2091 Comment
  HSC26573  Deschampsia cespitosa J. P. Smith 1972-8-17 5746 Siskiyou Medicine Lake 2012 Comment
  HSC69186  Deschampsia cespitosa Maralyn A. Renner 1980-8-31 2632 Siskiyou Twin Valley. 1494 Comment
  HSC92285  Deschampsia cespitosa Jennifer Whipple 1976-7-24 1534 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC204799  Deschampsia cespitosa subsp. cespitosa Geo. D. Butler 1910-7-7 1652 Siskiyou Shackleford Creek 914 Comment
  SEINET10835347  Deschampsia cespitosa subsp. cespitosa Lawrence P. Janeway 1983-1 Janeway 545 Siskiyou Preston Peak Quad (15') T18N R6E S20 SW1/4. Siskiyou Mountains: at Poker Flat, a meadow in a fir forest. In upper portion of the meadow; wet. 1524 Comment
  POM211394  Deschampsia danthonioides L. C. Wheeler 1934-6-10 2674 Siskiyou Hungry Creek; Siskiyou Mts. 1098 Comment
  SEINET10524249  Deschampsia elongata A. Arthur Heller 1915-7-18 Heller 12134 Siskiyou Open places in the forest in moist soil, Metcalf's ranch, base of Mt. Eddy. Douglas fir has replaced Jeffrey pine. Comment
  HSC6727  Descurainia sophia R. C. Wunner 1965-7-7 343 Siskiyou California Lava Beds National Monument, near N Prefab, Indian Well 1433 Comment
  UCD114792  Descurainia sophia R. N. Raynor 1940-4-11 s.n. Siskiyou Montague. Comment
  SDSU2980  Dianthus armeria subsp. armeria D. F. Howe 1977-7-2 4981 Siskiyou Scott River resort area. 610 Comment
  CAS-BOT-BC402477  Dicentra formosa subsp. formosa Ira L. Wiggins 1955-7-29 13576 Siskiyou N-facing slope between Caribou Lake and Pass to Thompson Creek 1956 Comment
  RSA433580  Dicentra formosa subsp. formosa Chadwick, Chadwick 1911-07 s.n. Siskiyou Shasta Springs. 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
  CAS-BOT-BC502552  Dichelostemma congestum Alice Eastwood 1923-5-27 11958 Siskiyou Shasta Springs Comment
  CAS-BOT-BC500999  Dichelostemma multiflorum A. A. Heller 1905-6-1 7942 Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  UCD35445  Dieteria canescens Beecher Crampton 1956-8-22 3864 Siskiyou South slope of Mt. Shasta, Wagon Camp Road, about 4 miles southwest of Panther Meadow. 1828 Comment
  JEPS40718  Dieteria canescens var. incana Geo. D. Butler 1911-9-11 1869 Siskiyou Comment
  CAS-BOT-BC290994  Dieteria canescens var. shastensis Gilbert J. Muth 1969-8-8 1302 Siskiyou Boulder Peak Ridge Comment
  CAS-BOT-BC291016  Dieteria canescens var. shastensis Grant 1902-9-7 5119 Siskiyou Mt. Shasta Comment
  CHSC69473  Dieteria canescens var. shastensis James D. Jokerst 1992-7-30 3421 Siskiyou Top of divide between Trinity River, summit of reddish mountain S of road crossing saddle. Comment
  CHSC71866  Dieteria canescens var. shastensis Vernon H. Oswald; Lowell Ahart 1998-9-8 9611 Siskiyou Junction of USFS 3 and 24 ca. 2.5 mi west-southwest of Hambone Butte, ca. 30 air mi north of Burney. 1310 Comment
  CHSC99210  Dieteria canescens var. shastensis L. P. Janeway; B. Castro 2007-7-28 9126 Siskiyou High Cascade Range. Medicine Lake Highlands; west side of Arnica Sink about 6.5 km west of Glass Mountain. 2042 Comment
  HSC92174  Dieteria canescens var. shastensis Jennifer Whipple 1976-8-20 1705 Siskiyou Summit region of Mt. Eddy 2470 Comment
  UC1408805  Dieteria canescens var. shastensis Robert F. Thorne and Fred Oettinger 1969-8-10 38945 Siskiyou along Ski Bowl Road (sw slope of Mt. Shata, Mt. Shasta National Forest); Mt. Shasta National Forest, sw slope of Mt. Shasta 1280 Comment
  CHSC1778  Diplacus jepsonii V. Holt 1932-6-23 Siskiyou McCloud river. 914 Comment
  CAS-BOT-BC153648  Diplacus jepsonii Elmer I. Applegate 1923-8-18 3882 Siskiyou Medicine Lake Comment
  CAS-BOT-BC153450  Diplacus layneae H. D. Ripley; R. C. Barneby 1948-7-6 9634 Siskiyou Black Butte 1219 Comment
  CAS-BOT-BC153726  Diplacus nanus Clare B. Hardham 1961-6-30 8030 Siskiyou Mud Springs 1981 Comment
  CHSC30092  Disporum hookeri M. S. Taylor; J. Prouty 1980-6-26 2985 Siskiyou On e side of Grizzley Peak Rd (39N06.3), ca. 6 mi due s of Algoma campground and Hwy 89. 1554 Comment
  RSA238737  Dodecatheon alpinum Frederick W. Oettinger 1969-7-10 965 Siskiyou Along inlet brook to Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UCD77606  Dodecatheon alpinum Robert E. Preston 2001-6-23 1609 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 1965 Comment
  HSC43385  Dodecatheon conjugens Maralyn O'Meara 1974-5-26 461 Siskiyou Along USFS Rd. 47N03 1524 Comment
  RSA183711  Dodecatheon jeffreyi Gilbert Muth 1965-8-6 187 Siskiyou Marble Mountains; backside of Black Mountain Comment
  UC1409476  Dodecatheon jeffreyi Frederick W. Oettinger 1969-7-15 1032 Siskiyou on ridge btw Diamond Lake and English Peak (High Lake Basins in vicinity English Peak, Marble Mountain Wilderness Area, Salmon Mountains, Western Siskiyou County); Marble Mountain Wilderness Area, Salmon Mountains 2072 Comment
  JEPS108483  Downingia pulcherrima Lisa Schultheis 1999-6-6 580 -99 Siskiyou Outside of Weed. Trrailer Lane, just W of ramp to I-5 S. 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
  CAS-BOT-BC41756  Draba howellii John Thomas Howell 1937-7-24 13417 Siskiyou Salmon-Trinity Alps. Caribou Basin. 2286 Comment
  UC166132  Draba nemorosa Geo. D. Butler 1910-4-10 1162 Siskiyou near Yreka; near Yreka Comment
  RSA186335  Draba pterosperma Gilbert Muth 1966-10-19 31 Siskiyou Marble Mountains 1793 Comment
  RSA186336  Draba pterosperma Gilbert Muth 1966-10-19 31 Siskiyou Marble Mountains 1793 Comment
  UC165378  Draba pterosperma Geo. D. Butler 1910-7-10 1716 Siskiyou Marble Mountain 1524 Comment
  SEINET12005663  Draba pterosperma H. P. Chandler 1901-1 1654 Siskiyou Marble Mountain 2438 Comment
  CAS-BOT-BC41414  Draba verna George Dexter Butler 1910-3-24 1143 Siskiyou Shasta River hills. Comment
  UCD115562  Draba verna Iris Coonrod 1963-4-1 s.n. Siskiyou Coonrod Ranch, Montague. 914 Comment
  UC165749  Drymocallis glandulosa var. glandulosa Geo. D. Butler 1910-5-30 1431 Siskiyou Humbug Creek Comment
  UC73027  Drymocallis lactea var. austiniae Milo S. Baker Aug. 1897 Siskiyou Mt. w Medicine Lake (near to); Mt. West of Medicine Lake 3048 Comment
  HSC69350  Drymocallis lactea var. lactea Maralyn A. Renner 1980-8-21 2560 Siskiyou Kidd Creek 2043 Comment
  HSC76866  Drymocallis lactea var. lactea K. T. Stillman 1976-9-9 476 Siskiyou Marble Mtn. Wilderness Area; N and NE side of Black Mtn. Comment
  HSC42933  Dryopteris arguta Ken Stillman 1976-8-31 455 Siskiyou E and N sides of Williams Point 366 Comment
  JEPS49934  Dudleya cymosa subsp. cymosa W. S. Kleaver 1921-1 Siskiyou Yreka Comment
  JEPS84345  Dulichium arundinaceum Wayne Roderick 1984-8-5 Siskiyou 13 air mi w of Dunsmuir (Cedar Lake); Cedar Lake 1828 Comment
  HSC26931  Dysphania botrys J. P. Smith, J. O. Sawyer 1971-9-18 4833 Siskiyou 2 mi. W of the junction of Hwy. 3 and Rd. 8, N of Callahan. 1037 Comment
  HSC30714  Eleocharis quinqueflora Frederick W. Oettinger 1969-8-19 1453 Siskiyou Marble Mtn. Wilderness Area, due S of treeless area along ridge between David's Mtn. and Abbott's Lake Basin, on Old Tanner's Peak Trail 1905 Comment
  CAS-BOT-BC221831  Elymus canadensis Alice Eastwood 1921-7-28 10949 Siskiyou Medicine Lake Comment
  POM215742  Elymus elymoides L. C. Wheeler 1934-8-6 3057 Siskiyou Siskiyou Mts.; Rock Gulch off Jaynes Canyon; Mt. Diablo Mer. 1829 Comment
  UC1133009  Elymus elymoides subsp. elymoides H. S. Yates 1936-6-21 5825 Siskiyou 2 mi w Soda Springs; Etna Quadrangle 853 Comment
  HSC25414  Elymus elymoides var. elymoides J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5661 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  CAS-BOT-BC206596  Elymus glaucus subsp. glaucus Louis C. Wheeler 1934-8-14 3143 Siskiyou E end White Mt., Klamath National Forest 1767 Comment
  CAS-BOT-BC206602  Elymus glaucus subsp. glaucus W. R. Dudley 1899-8-15 s.n. Siskiyou Black Fox Mountains Comment
  CAS-BOT-BC206603  Elymus glaucus subsp. glaucus W. R. Dudley 1901-8-23 s.n. Siskiyou East slope of Foxtail Ridge, Salmon Mountains Comment
  UCR142760  Elymus multisetus L. C. Wheeler 1934-10-21 3328 Siskiyou Shasta Valley, 4 miles east of Grenada 869 Comment
  CAS-BOT-BC213811  Elymus repens Peter H. Raven 1956-9-5 10446 Siskiyou North Fork of Sacramento River 2194 Comment
  UCD35446  Elymus trachycaulus Beecher Crampton 1956-8-22 3867 Siskiyou South slope of Mt. Shasta. 1645 Comment
  CHSC86458  Epilobium brachycarpum Jenny Marr 1993-7-1 75 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  JEPS43909  Epilobium brachycarpum Geo. D. Butler 1908-8-26 155 Siskiyou roadside 1 mi n Etna Comment
  HSC22465  Epilobium ciliatum subsp. ciliatum J. O. Sawyer 1969-7-23 1446 Siskiyou Near N Horse Range Creek, along C.C.C. road. 1524 Comment
  RSA237578  Epilobium ciliatum subsp. glandulosum Frederick W. Oettinger 1969-8-22 1493 Siskiyou North side of Horse s Hole near Horse Range Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC873155  Epilobium densiflorum A. A. Heller 1916-7-20 12478 Siskiyou ne base of mt. Mt. Eddy, Metcalf's Ranch 1188 Comment
  HSC69363  Epilobium glaberrimum subsp. fastigiatum Maralyn A. Renner 1980-8-19 2504 Siskiyou S side of Caribou Lake 2104 Comment
  HSC96312  Epilobium glaberrimum subsp. fastigiatum Gordon Leppig 1998-8-14 1019 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  JEPS75884  Epilobium hallianum W. J. Ferlatte 1966-6-22 95 Siskiyou between campground and Carter's; Trinity Alps, South Fork of Salmon River 1524 Comment
  HSC29154  Epilobium hallianum Frederick W. Oettinger 1969-8-14 1381 Siskiyou Marble Mtn. Wilderness Area, camp site, English Lake 1738 Comment
  HSC207  Epilobium hornemannii subsp. hornemannii William J. Ferlatte 1967-8-20 1057 Siskiyou Caribou Basin, Sawtooth Ridge 2043 Comment
  HSC61787  Epilobium luteum Ruby Van Deventer 27 Jul [year missing] Siskiyou Poker Flat 1585 Comment
  RSA237396  Epilobium minutum Frederick W. Oettinger 1969-8-12 1340 Siskiyou Below metal bridge, 1 mile down from Etna Summit on trail between Yellow Dog Creek and Abbotts Lake Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. Comment
  POM230321  Epilobium siskiyouense J. T. Howell 1937-7-29 s.n. Siskiyou Scott Mountain between Trinity and Siskiyou counties. Comment
  SBBG25828  Equisetum arvense D. Myrick 1966-8-11 1539 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  HSC22470  Equisetum hyemale subsp. affine J. O. Sawyer 1969-6-11 826 Siskiyou Lower slope next to the C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  UCSB18560  Equisetum laevigatum 1962-6-10 Siskiyou N bank of Klamath River at its junction with Goff Creek, 4,5 mi W of Seiad. 411 Comment
  SD10034  Equisetum telmateia subsp. braunii Eleanor C. Layman 1933-9-3 Siskiyou Shasta Springs Comment
  RSA591595  Eragrostis cilianensis L. C. Wheeler 1934-10-24 3346 Siskiyou Oak Knoll Ranger Station, Klamath River; Siskiyou Mts. 671 Comment
  CAS-BOT-BC204538  Eragrostis curvula William Ferlatte 1989-11-8 s.n. Siskiyou Southbound I-5 at Grenada off-ramp, 0.4 mile north of Grenada Comment
  CDA2080  Eragrostis curvula William J. Ferlatte 1989-11-8 Siskiyou Southbound I-5 at Grenada off-ramp, 0.4 miles north of Grenada. 0 Comment
  CAS-BOT-BC204627  Eragrostis mexicana subsp. virescens R. E. Frenkel 1964-10-2 901 Siskiyou Everitt Memorial Highway, 1.0 mile north of McCloud River RR crossing, near Mount Shasta 1219 Comment
  CDA31774  Eragrostis mexicana subsp. virescens D. H. Shaw 1973-8-23 Siskiyou Cherry Farms, Macdoel 0 Comment
  CAS-BOT-BC286698  Ericameria bloomeri S. Cooper Smith 1942-10-11 42 - 1 Siskiyou Shasta National Forest. On #99 Highway at Black Butte 1188 Comment
  CHSC71855  Ericameria bloomeri Vernon H. Oswald; Lowell Ahart 1998-9-8 9608 Siskiyou USFS 3 ca. 0.8 mi west of Julia Glover Flat, ca. 6 air mi west of Mosquito Lake and Whitehorse Flat Reservoir, ca. 2 air mi northwest of Indian Spring Mtn. Roadside. 1127 Comment
  UC618705  Ericameria bloomeri unknown 1938-9-17 11687 Siskiyou on the slopes around Horse Camp; Mount Shasta 2438 Comment
  SEINET204960  Ericameria bloomeri Loran C. Anderson, Kent Fish 1965-8-17 2943 Siskiyou 3 miles north of town of Mount Shasta 1128 Comment
  RSA237445  Ericameria greenei Frederick W. Oettinger 1968-8-22 590 Siskiyou English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2226 Comment
  HSC35788  Ericameria nauseosa var. speciosa J. O. Sawyer 1968-9-9 676 Siskiyou Ridges S of Cyclone Gap 1738 Comment
  SD76145  Ericameria nauseosa var. speciosa Helen V. Witham 1969-10-4 452 Siskiyou Black Butte Summit, 4I(c) miles south of Weed. 1000 Comment
  UC134757  Ericameria nauseosa var. speciosa E. B. Copeland 1903-10-10 3785 Siskiyou Pacific Coast, Mt. Eddy 2225 Comment
  POM35919  Erigeron aliceae Geo. D. Butler 1910-6-8 1653 Siskiyou Shackleford Creek Comment
  UC595102  Erigeron aliceae David D. Keck 1938-8-6 4813 Siskiyou at Del Norte Co. line (summit of Siskiyou Mts., 4 mi s of Oregon line, on road Waldo to Happy Camp); Siskiyou Mts., Poker Flat 1554 Comment
  HSC29206  Erigeron cervinus Frederick W. Oettinger 1968-8-23 608 Siskiyou Salmon Mountains: the high lake basins in the vicinity of English Peak, Marble Mountain Wilderness area; on 'Shasta Ridge, SE of Diamond Lake 2073 Comment
  HSC33321  Erigeron cervinus William J. Ferlatte 1974-7-13 1514 Siskiyou South fork of Salmon River west of Big Flat. In cracks 400yd upstream from falls 1433 Comment
  UC1540130  Erigeron compositus Dean W. Taylor 1987-6-26 9072 Siskiyou 2 mi w Medicine Lake; Little Mount Hoffman 2209 Comment
  CAS-BOT-BC300431  Erigeron elegantulus L. E. Smith 1915-7-29 s.n. Siskiyou Bray Comment
  POM252997  Erigeron filifolius A. A. Heller 1936-7-12 15255 Siskiyou Near western base of Deer Mountain on U. S. Highway 97 Comment
  OBI55471  Erigeron inornatus David J. Keil, Kathleen Keil 1992-7-21 23534 Siskiyou Klamath NF SE of Callahan. forest Rd 40N08, 1.7 mi W of Scott Mtn Rd (hwy 3) Comment
  CAS-BOT-BC295425  Erigeron inornatus var. calidipetris H. Dearing; M. Dearing 1938-6-28 2179 Siskiyou Fowler Camp, McCloud River Comment
  UC163922  Erigeron inornatus var. inornatus Geo. D. Butler 1908-7-20 327 Siskiyou near Yreka (head of Long Gulch); Long Gulch Comment
  UC75286  Erigeron inornatus var. inornatus Copeland 1903-7-3 3531 Siskiyou Klamathon Comment
  UC895896  Erigeron inornatus var. inornatus Alice Eastwood 1912-9-4 2098 Siskiyou Sisson Comment
  CAS-BOT-BC295461  Erigeron klamathensis John Thomas Howell 1939-8-6 15101 Siskiyou Elk Mt., Marble Mts. Comment
  HSC65825  Erigeron petrophilus var. viscidulus D. Reed 1980-8-6 285 Siskiyou Klamath National Forest, rocky knoll S of Tom Martin Peak 1982 Comment
  UC163905  Erigeron pumilus var. intermedius Geo. D. Butler 1910-6-3 1471 Siskiyou Quartz Valley Comment
  HSC92398  Erigeron tener Jennifer Whipple 1977-8-5 2193 Siskiyou Near Little Crater Lake 2195 Comment
  CAS-BOT-BC224136  Eriodictyon californicum Doris K. Kildale; J. W. Gillespie 1929-6-25 8355 Siskiyou Klamath River, 6 miles north of Hornbrook 609 Comment
  JEPS57187  Eriogonum alpinum L. R. Heckard 1967-8-13 1687 Siskiyou Mt. Eddy; near summit 2712 Comment
  POM165278  Eriogonum alpinum Edward L. Greene 1903-8-18 3813 Siskiyou Mt. Eddy. 2652 Comment
  CDA11920  Eriogonum compositum G. F. Hrusa 1990-4-2 7840 Siskiyou Klamath Ranges; 3 miles N of Yreka along Old Shasta River Rd. Between Yreka and Hwy 96 intersection. Comment
  CAS-BOT-BC250067  Eriogonum compositum var. compositum E. K. Balls 1949-7-9 13932 Siskiyou 8.3 miles from Etna on road to Sawyer's Bar 1005 Comment
  HSC19476  Eriogonum compositum var. compositum J. O. Sawyer 1969-7-8 1094 Siskiyou SW slope above Music Creek 2360 Comment
  UC635009  Eriogonum compositum var. compositum H. L. Mason 1929-5-18 5327 Siskiyou hills along Shasta Creek Canyon Shasta Creek Canyon Comment
  HSC30409  Eriogonum compositum var. compositum Frederick W. Oettinger 1968-8-23 614 Siskiyou Marble Mtn. Wilderness area, Diamond Lake spillway on way to English Lake 2058 Comment
  CHSC78525  Eriogonum congdonii Vernon H. Oswald 2000-8-28 9958 Siskiyou Rock Fence Lake Road (40N18) 0.6 mi from its junction with Kangaroo Lake Road. 1737 Comment
  POM253985  Eriogonum douglasii var. douglasii C. L. Hitchcock, J. S. Martin 1939-7-8 5304 Siskiyou North side of Black Mt 2073 Comment
  UC375309  Eriogonum elatum Geo. D. Butler 1908-8-6 202 Siskiyou Independence Creek Comment
  UC375314  Eriogonum elatum Geo. D. Butler 1908-7-5 516 Siskiyou dry land near Yreka Comment
  UC609321  Eriogonum elatum Eleanor Burks Hart 1938-8-15 926 Siskiyou n side of Upper Wright Lake Upper Wright Lake 2225 Comment
  RSA756416  Eriogonum hirtiflorum David Gowen 2007-7-12 780 Siskiyou South of the town of Lake Shastina. Along dirt road to dump/dirt storage area off of Big Springs Road, and just north of Jackson Ranch Road. Comment
  HSC59935  Eriogonum lobbii D. L. Goforth 1979-7-19 259 Siskiyou Trinity Alps Wild Area, Caribou Lakes Basin 2104 Comment
  UC454352  Eriogonum marifolium I. J. Condit 1911-7-22 Siskiyou below Horse Camp; Mt. Shasta 2286 Comment
  CAS-BOT-BC263194  Eriogonum marifolium var. cupulatum Alice Eastwood 1912-7-19 1238 Siskiyou Mount Shasta Comment
  CAS-BOT-BC267392  Eriogonum marifolium var. marifolium John Thomas Howell 1937-7-29 13630 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  CAS-BOT-BC267393  Eriogonum marifolium var. marifolium Wm. Bridge Cooke 1939-6-23 13529 Siskiyou Mount Shasta. Along the Wagon Camp road in the vicinity of Wagon Camp Comment
  CAS-BOT-BC261674  Eriogonum nudum var. nudum W. R. Dudley 1899-8-22 s.n. Siskiyou Above Callahan's Comment
  POM208283  Eriogonum nudum var. nudum Louis C. Wheeler 1934-6-19 2738 Siskiyou North Hungry Creek. Siskiyou Mtns. 1098 Comment
  RSA393331  Eriogonum nudum var. nudum L. S. Rose 1937-6-26 37601 Siskiyou 3 miles east of Mt. Shasta City. 1372 Comment
  SD23783  Eriogonum nudum var. nudum Wm. Bridge Cooke 1938-6-17 11037 Siskiyou Mt. Shasta 1372 Comment
  UC1034615  Eriogonum nudum var. nudum Douglas Barbe 1955-6-28 9 Siskiyou roadside bank 0.2 mi n Callahan 975 Comment
  JEPS56591  Eriogonum nudum var. oblongifolium Geo. D. Butler 1908-7-2 212 Siskiyou Yreka Comment
  CHSC70766  Eriogonum nudum var. pubiflorum A. Francis 1996-7-24 3639 Siskiyou South slope of Mt. Hoffman, NE of Arnica Sink. 2109 Comment
  UC398665  Eriogonum nudum var. pubiflorum A. A. Heller 1927-8-2 14443 Siskiyou 3 mi s Yreka Comment
  UC618610  Eriogonum nudum var. pubiflorum Susan Stokes 1938-6-17 11037 Siskiyou Sisson Southern Trail Mt. Shasta, Sisson Southern Trail Comment
  CAS-BOT-BC258742  Eriogonum ovalifolium var. ovalifolium Elmer I. Applegate 1935-6-11 9493 Siskiyou Upper Ice Cave Area, Lava Beds National Monument Comment
  CAS-BOT-BC258743  Eriogonum ovalifolium var. ovalifolium A. A. Heller 1938-7-13 15272 Siskiyou About a mile south of Bray 1402 Comment
  UC1215080  Eriogonum pyrolifolium Paul C. Hutchison 1962-8-2 928 Siskiyou between top of ski lift and Panther Meadow; Mt. Shasta 2438 Comment
  RSA331950  Eriogonum pyrolifolium var. pyrolifolium Dave Kelly, Walter Wisura 1985-7-31 4086 Siskiyou Mount Shasta, end of Everitt Memorial Hwy Comment
  JEPS108713  Eriogonum siskiyouense Thomas W. Nelson and Jane P. Nelson 2006-8-4 9467 Siskiyou Scott Mountain S of junction of Forest Service Rds. 40N08 and 44N44 ca 1/2 mi E of junction of State Route 3 and Forest Service Rd. 40N08 E side of North-South running ridge. 1670 Comment
  RSA790071  Eriogonum siskiyouense Rebecca Wenk 2006-7-24 533 Siskiyou Scott Mountains, border between Trinity and Siskiyou Counties. 1700 Comment
  CAS-BOT-BC269972  Eriogonum spergulinum var. reddingianum W. B. Cooke; V. G. Cooke 1966-7-17 37249 Siskiyou Vicinity of Inconstance Creek, Mt. Shasta 1828 Comment
  CAS-BOT-BC269973  Eriogonum spergulinum var. reddingianum John Thomas Howell 1937-7-26 13561 A Siskiyou Salmon River Canyon between Big Flat and Caribou Gulch Comment
  RSA93409  Eriogonum spergulinum var. reddingianum M. S. Baker, H. K. Wagnon 1953-7-11 12831 Siskiyou 1.9 mi. above Whitlock Camp in open forest. 1372 Comment
  CAS-BOT-BC262730  Eriogonum sphaerocephalum var. halimioides L. E. Smith 1918-4-20 632 Siskiyou Yreka Comment
  CHSC71311  Eriogonum sphaerocephalum var. halimioides Vernon H. Oswald; Mike Dolan, Beth Corbin 1998-6-27 9242 Siskiyou Big Tableland at the southwest edge of the lower Klamath National Wildlife Refuge. Comment
  SEINET10623960 Image available Eriogonum strictum subsp. proliferum Edward L. Greene 1876-7-7 Greene 918 Siskiyou Collected near Yreka. Siskiyou County, California. Comment
  CAS-BOT-BC263397  Eriogonum strictum var. proliferum Alice Eastwood 1912-8-30 2008 Siskiyou Mount Eddy Comment
  RSA0081457  Eriogonum ternatum L. R. Heckard, S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6346 Siskiyou Ca. 7 miles NNE of Seiad Valley, SW of Cook and Green Pass, ca. 0.5 mile SE of red Butte. 1730 Comment
  HSC62448  Eriogonum umbellatum Ruby Van Deventer 1938-7-31 Siskiyou Twin Valley Comment
  HSC69141  Eriogonum umbellatum Maralyn A. Renner 1980-8-8 2476 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  SBBG1638  Eriogonum umbellatum H. and M. Dearing 1938-6-27 2175 Siskiyou E of Bartle 1066 Comment
  CAS-BOT-BC267931  Eriogonum umbellatum G. P. Rixford No date on label s.n. Siskiyou South side of Shaft-rock [Shaft Rock] Mt., Hilt Comment
  JEPS24035  Eriogonum umbellatum var. argus Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6899 Siskiyou Poker Flat Siskiyou Mts. 1536 Comment
  RSA120792  Eriogonum umbellatum var. humistratum S. Tillett 1956-7-9 668 Siskiyou Between Little and Big Carmen Lakes, north side of Scott Mountain; Siskiyou-Trinity Co. lines, 8 miles SE of Callahan. 1921 Comment
  HSC43440  Eriogonum umbellatum var. nelsoniorum Jennifer Whipple 1976-9-3 1773 Siskiyou E facing slopes near Little Crater Lake 2195 Comment
  LA86521  Eriogonum umbellatum var. nevadense J. M. Tucker; L. K. Mann 1963-8-18 3761 Siskiyou Marble Mountain Wilderness Area, On top of saddle, between Marble and SW ridge of Black Mountain 2103 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
  SJSU6269  Eriogonum umbellatum var. nevadense R. W. Trivelpiece 1971-8-18 70 Siskiyou by Fourth of July Gulch, 2.5 mi N of Cecilville on S Fork Salmon R, Salmon River Mts 1371 Comment
  JEPS107389  Eriogonum umbellatum var. polyanthum Lowell Ahart, John Dittes 2005-6-10 12085 Siskiyou Rocky hillside, about 150 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  HSC54725  Eriogonum umbellatum var. stellatum G. L. Clifton, Griswold 1979-7-26 10128 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  UC1413445  Eriogonum vimineum James L. Reveal, Caroline G. Reveal 1974-8-17 3796 Siskiyou 4.5 mi e Callahan (along California Highway 3, 2.5 mi se of the junction with the county road to Gazeele) 1371 Comment
  RSA14326  Eriophorum angustifolium Elmer I. Applegate 1895-5-28 770 Siskiyou 18th crossing of the Sacramento River below Sisson Comment
  POM116867  Eriophorum crinigerum Geo D. Butler 1910-7-9 1703 Siskiyou Log Lake, Shackleford Creek. 1220 Comment
  SBBG8171  Eriophyllum lanatum H. and M. Dearing 1939-7-1 3784 Siskiyou Salmon Mtn 1828 Comment
  CAS-BOT-BC301131  Eriophyllum lanatum var. achilleoides A. M. Vollmer; L. Beane 1951-6-2 40 Siskiyou Klamath River Highway, betw. U.S. 99 & Gottville Comment
  UC507152  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-7-6 E 120 Siskiyou 5 mi s of Bray 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
  UC507155  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-7-6 E 122 Siskiyou 6.5 mi n of Dorris Comment
  SBBG25854  Eriophyllum lanatum var. croceum D. Myrick 1966-8-8 1488 Siskiyou rd to Carter Ranch, Mountain Meadow Ranch, Big Flat 1584 Comment
  HSC27652  Eriophyllum lanatum var. grandiflorum Carl W. Mize 1972-6-8 11 Siskiyou 335 Comment
  CAS-BOT-BC308285  Eriophyllum lanatum var. integrifolium John Thomas Howell 1939-8-2 14890 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  HSC29226  Eriophyllum lanatum var. lanceolatum Frederick W. Oettinger 1969-8-18 1435 Siskiyou Marble Mtn. Wilderness Area; NE of Horse Range Lake 1822 Comment
  RSA238888  Eriophyllum lanatum var. lanceolatum Frederick W. Oettinger 1969-8-18 1435 Siskiyou Northeast of Horse Range Lake. Salmon Mountains, High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area 1822 Comment
  UCD132196  Eriophyllum lanatum var. lanceolatum J. M. Tucker; L. K. Mann 1963-8-18 3763 Siskiyou On top of saddle, between Marble and southwest ridge of Black Mountain, Marble Mountain Wilderness Area. 2103 Comment
  UC195258  Eriophyllum lanatum var. lanceolatum Annie M. Alexander and Louise Kellogg 1911-7-16 254 Siskiyou S. Fk. Salmon River Comment
  HSC36770  Erodium cicutarium J. P. Smith 1974-5-25 7400 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC101097  Eryngium alismifolium J. D. Jokerst 1983-7-6 1835 Siskiyou Comment
  CDA24842  Erysimum capitatum F. D. Horn 1976-5-18 Siskiyou Sheeprock, Shasta Visat Estates, Grenada. 0 Comment
  POM95435  Erysimum capitatum Geo. D. Butler 1910-5-4 1273 Siskiyou Dry hill near Yreka Comment
  JEPS53582  Erysimum capitatum var. capitatum Geo. D. Butler 1909-5-8 724 Siskiyou near Yreka Comment
  RSA238400  Erysimum capitatum var. perenne Frederick W. Oettinger 1967-8-12 250 Siskiyou Near Tom Taylor Cabin. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2104 Comment
  HSC19559  Erysimum perenne J. O. Sawyer 1969-7-9 1260 Siskiyou W facing slope above Bingham Lake 2317 Comment
  HSC91049  Erysimum perenne Jennifer Whipple 1976-6-24 1131 Siskiyou N slopes of Mt. Eddy 2439 Comment
  UC618779  Erysimum perenne W. Bridge Cooke 1938-8-24 11583 Siskiyou North Gate Mount Shasta (in an old burn) 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-BC105072  Erythranthe breweri R. C. Wenk 2008-7-24 913 Siskiyou SW side of Mount Shasta, Panther Meadow. Rocky area between wet boggy meadow, Phyllodoce heath, and red fir forest 2255 Comment
  HSC62633  Erythronium grandiflorum subsp. grandiflorum Ruby Van Deventer 1938-6-25 Siskiyou Youngs Valley 1524 Comment
  JEPS51764  Eschscholzia californica W. L. Jepson 1907-7-22 2956 Siskiyou Scott Bar to Scott Valley; Miamber Trail Comment
  HSC92687  Eucephalus glabratus Jennifer Whipple 1977-8-4 2158 Siskiyou Wagon Creek drainage on the E face of Mount Eddy 2226 Comment
  JEPS41319  Eucephalus ledophyllus Ruby Van Deventer 1938-7-31 38 Siskiyou s of, sw of Poker Flat Lookout Mountain (Twin Valley Trail) 1219 Comment
  JEPS100733  Eucephalus tomentellus Dean Wm. Taylor with Glenn L. Clifton 1987-8-5 9224 Siskiyou Tate Creek, at crossing of Forest Road 36N06, headwaters McCloud River drainage 1484 Comment
  CAS-BOT-BC202764  Euonymus occidentalis Geo. D. Butler 1908-8-22 407 Siskiyou Eldredge's Corral, Russian Creek Comment
  CAS-BOT-BC310627  Eurybia radulina Wm. Bridge Cooke 1938-8-19 11511 Siskiyou Mount Shasta. Howard Comment
  UC572797  Eurybia radulina W. Bridge Cooke 1937-8-6 9177 Siskiyou Mt. Shasta 1219 Comment
  RSA273423  Festuca californica var. californica J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-4 5735 Siskiyou 2.0 miles south of Sugar Creek on Parrott Mill Road. 1341 Comment
  CDA28208  Festuca elmeri William J. Ferlatte 1987-5-2 Siskiyou Highway 3 0.9 mile north of Scott Mountain Summit, south of Callahan 0 Comment
  CHSC91228  Festuca idahoensis Lowell Ahart; John Dittes 2005-6-10 12100 Siskiyou Rocky hillside, north of the rock fence, about 100 yards southeast of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  HSC25453  Festuca idahoensis J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5650 Siskiyou Ridge E of Cook and Green Pass 1524 Comment
  UC1024797  Festuca idahoensis Leo Whitney 1934-6-29 2226 Siskiyou near Tennant; Antelope Creek 1463 Comment
  CAS-BOT-BC278879  Festuca occidentalis Roxana S. Ferris; Laura Lorraine 1948-6-12 11744 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  UC197109  Festuca pratensis Geo. D. Butler 1909-8-16 862 Siskiyou near Yreka (along creek) Comment
  UC70746  Festuca pratensis T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  SEINET10553350  Festuca pratensis George D. Butler 1910-7-4 Butler 1636 Siskiyou Creek bed, Goosenest foothills. 1219 Comment
  UC723010  Festuca roemeri C. L. Hitchcock and J. S. Martin 1939-7-9 5321 Siskiyou 0.5 mi se Kings Castle; Marble Mts. 1828 Comment
  UCD66265  Festuca roemeri R. Tofsrud 1949-8-3 Siskiyou Soap Creek Ridge, between Yreka and Fort Jones. Comment
  SEINET3132061  Festuca roemeri var. klamathensis B. L. Wilson 1996-6-22 8169 Siskiyou 0.7 mi SW of the Gazelle Road on the Stewart Springs Road (USFS Road 17), at the first bend in the road, ca 3.5 mi W of 1 mi N of Weed Comment
  CAS-BOT-BC279072  Festuca rubra Annie M. Alexander; Louise Kellogg 1949-7-22 5844 Siskiyou Top of ridge, trail to Kings Castle at 6800 feet. Paradise Lake, Marble Mountains 1920 Comment
  CAS-BOT-BC279073  Festuca rubra David D. Keck 1949-7-19 6357 Siskiyou 6.5 mi. SW of Yreka on road to Ft. Jones, nr. head of Yreka Creek 1127 Comment
  CHSC61575  Festuca rubra L. P. Janeway 1983-7-7 390 Siskiyou Siskiyou Mountains; southeast-sloping ridge just northwest behind West Branch Guard Station. 701 Comment
  SEINET10929889  Festuca rubra var. megastachys A. Arthur Heller 1921-7-17 Heller 13580 Siskiyou Gravelly slope of Mt. Eddy south of Wagon creek, in the Hudsonian zone. 2286 Comment
  CHSC99977  Festuca viridula L. P. Janeway 2008-7-26 9510 Siskiyou Klamath Ranges. Between Castle Crags, Trinity Mountains, and The Eddys; about 200 m west-southeast of Heart Lake and about 0.8 km south of Castle Lake. 1922 Comment
  HSC30582  Festuca viridula Frederick W. Oettinger, R. F. Thorne 1969-8-6 1222 Siskiyou Marble Mtn. Wilderness Area, rocky N slope on S side of Pine Lake 1951 Comment
  CDA25860  Fragaria George Dobbins 1955-3-24 Siskiyou Wheeler property, 1 miles south of McCloud, Squaw Valley Creek. 0 Comment
  UC466547  Fragaria vesca Milo S. Baker Jun 1896 114 Siskiyou Sisson Comment
  HSC69501  Fragaria virginiana J. O. Sawyer, J. Cole 1980-7-20 3740 Siskiyou 2 mi. N of Little Glass Mtn., on road connecting FS Rd. 45N05 with FS Rd. 47N75 1875 Comment
  CAS-BOT-BC55699  Frangula rubra subsp. modocensis A. A. Heller 1920-8-13 13525 Siskiyou near Upton Comment
  CAS-BOT-BC59596  Frangula rubra subsp. rubra John Thomas Howell 1934-7-4 12402 Siskiyou Se. croner of Siskiyou Co. Comment
  CAS-BOT-BC59598  Frangula rubra subsp. rubra A. A. Heller 1905-6-22 8087 Siskiyou Between Igerna and Weed 1158 Comment
  UCD121439  Frasera albicaulis var. nitida J. P. Smith; J. O. Sawyer 1972-6-30 5638 Siskiyou Jct. of French Creek and Sugar Creek road, 1/2 mile west of Parrott Mill Road. 1249 Comment
  CAS-BOT-BC223587  Fraxinus latifolia Louis C. Wheeler 1934-9-15 3262 Siskiyou Klamath National Forest. Walker 518 Comment
  RSA74739  Fraxinus latifolia Albert M. Vollmer, L. Beane 1951-6-2 46 Siskiyou Klamath River Hwy, between US 99 and Gottville. Comment
  UC375207  Fritillaria atropurpurea Geo. D. Butler 1909-4-27 689 Siskiyou Quartz Valley Comment
  UC454407  Fritillaria atropurpurea I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat (Summit of Mount Bradley); Mount Bradley 1828 Comment
  HSC69734  Fritillaria atropurpurea Heidi Daetwyler 1981-5-18 1 Siskiyou Elk Flat, logged area, 11 mi. NE of McCloud 1524 Comment
  UC1076029  Fritillaria atropurpurea Herbert L. Mason 1947-5-17 14744 Siskiyou summit of Scott Mountain grade, Trinity-Siskiyou County Line Scott Mountain Comment
  UCSB15824  Fritillaria micrantha Breedlove, Dennis 1962-6-11 Siskiyou Along State Highway 89, 8.0,miles east of McCloud; Cascade Mountains 1127 Comment
  CHSC27778  Fritillaria recurva K. Bridwell 1978-4-15 89 Siskiyou Along Topsy Turvy Rd, ca. 0.5 mi s of Calif.-Oregon border. 1005 Comment
  HSC39778  Fritillaria recurva J. O. Sawyer 1970-4-4 2079 Siskiyou Along Sugar Creek 823 Comment
  RSA264982  Galium bifolium Gilbert Muth 1975-7-29 s.n. Siskiyou Near Kangaroo Mtn. Near Seiad Valley. 1756 Comment
  UC163754  Galium bolanderi Geo. D. Butler 1908-8-21 413 Siskiyou Salmon road w from Etna Comment
  CHSC57454  Galium boreale subsp. septentrionale L. P. Janeway 1984-6-21 861 Siskiyou Garvey Bar, south side Klamath River just east of Humbug Point. 594 Comment
  HSC19812  Galium serpenticum subsp. scotticum F. Ehrendorfer, G. L. Stebbins 1959-6-29 5915 Siskiyou Siskiyou/Trinity Co. line, W flank of Scott Mtn. 1921 Comment
  UC163751  Galium trifidum Geo. D. Butler 1910-7-9 1691 Siskiyou Shackleford Creek 1219 Comment
  UC618722  Galium trifidum W. Bridge Cooke 1938-7-29 11414 Siskiyou in narrow stream between two meadows Mt. Shasta, Wagon Camp Comment
  HSC65554  Galium triflorum Rich White 1977-7-21 134 Siskiyou Slope below outlet of Raspberry Lake 1512 Comment
  HSC68508  Garrya buxifolia Maralyn A. Renner 1980-6-10 876 Siskiyou Ridge 1 mi. S of Greenhorn Rd. and 1 mi. E of Mill Creek 1341 Comment
  CAS-BOT-BC182231  Garrya fremontii Carl B. Wolf 1927-8-26 1045 Siskiyou On the Klamath River, 4 mi. north of Gottville Comment
  UC876009  Garrya fremontii unknown 1941-6-11 16031 Siskiyou along Castle Lake Road Comment
  LA97737  Gaultheria ovatifolia J. M. Tucker; D. V. Hemphill 1974-7-27 4301 Siskiyou S side of Monument Lake, Marble Mountain Wilderness Area 1798 Comment
  RSA237865  Gayophytum diffusum subsp. parviflorum Frederick W. Oettinger 1967-8-21 297 Siskiyou In front of northwest face of Tom Taylor Cabin. The Salmon Mountains, the high lake basins in the vicinity of English Peak, Marble Mountains Wilderness Area 2055 Comment
  UC454603  Gayophytum heterozygum I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat; Mt. Bradley Comment
  POM261178  Gayophytum heterozygum W. Bridge Cooke 1941-9-5 16273 Siskiyou Vicinity of Bear Springs, Mt. Shasta 1524 Comment
  HSC29486  Gayophytum humile Frederick W. Oettinger, R. F. Thorne 1969-8-5 1189 Siskiyou Salmon Mtns., trail, English Lake to Abbotts 1707 Comment
  RSA264967  Gayophytum racemosum Gilbert Muth 1975-7-30 7189 Siskiyou Near Lily Pad Lake near Seiad Valley. 1585 Comment
  HSC76683  Gayophytum racemosum K. T. Stillman 1976-7-30 324 Siskiyou Marble Mtn. Wilderness Area, ridge N of Black Mtn. into Elk Valley by way of Boulder Field, SE corner of valley 1768 Comment
  UC1540144  Gentiana calycosa Dean Wm. Taylor and Glenn L. Clifton 1987-8-5 9228 Siskiyou Forest Road 36N06 at crossing Tate Creek; headwaters McCloud River drainage 1484 Comment
  HSC41060  Gentiana newberryi J. O. Sawyer 1969-8-17 1972 Siskiyou W of Little Duck Lake 2012 Comment
  SEINET8234664  Gentiana plurisetosa Unknown 1939-8-29 976 Siskiyou Half Moon Meadow, Marble Mountain Primitive Area. 1670 Comment
  RSA68913  Gentiana simplex A. E. Culbertson 1943-8-4 45 Siskiyou One fourth m. below Castle Lake; 14 miles southwest of Mt. Shasta on north side of a 6600 eastern spur of Trinity Mountains. 2000 above Sacramento River within ten air miles of its headwaters to the west. 1657 Comment
  UC1024067  Gentianella amarella subsp. acuta Dorothy Parker 1953-9-18 607 Siskiyou near Cory Peak (along the banks of Cabin Meadow Creek); Siskiyou Mountains, Cabin Meadow Creek 1828 Comment
  RSA184633  Gilia capitata Clare B. Hardham 1965-8-20 13018 Siskiyou Marble Mts. Near Cudahy Lakes Comment
  JEPS44105  Gilia capitata subsp. capitata W. B. and V. G. Cooke 1965-7-12 35168 Siskiyou throughout rest area at turnout along US 97 n Whitney Creek (Mt. Shasta); , n of Whitney Creek 1371 Comment
  JEPS84253  Gilia capitata subsp. capitata L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6307 Siskiyou just s state line (Indian Creek Road from Takilma to Happy Camp); rd from Takilma to Happy Camp Comment
  SEINET10934814  Glyceria cookei William B. Cooke 1940-7-12 Cooke 15312 Siskiyou Box Canyon of Sacramento River near Shasta City Comment
  CAS-BOT-BC282721  Glyceria elata Alice Eastwood 1921-7-31 s.n. Siskiyou Shasta Springs Comment
  HSC10064  Glyceria elata D. E. Anderson 1962-8-5 2316 Siskiyou 3 mi. W of Bartlett, 1 mi. N of Shasta Co. line on Hwy. 89 Comment
  HSC22312  Glyceria elata J. O. Sawyer 1969-7-11 862 Siskiyou Ravine above C.C.C. road. 1280 Comment
  HSC73325  Glyceria elata Gail Newton 1980-6-20 485 Siskiyou Near Bald Mtn. 250 Comment
  UC163072  Glyceria elata Copeland 1903-9-8 3795 Siskiyou Mt. Eddy Comment
  HSC69215  Glyceria striata Maralyn A. Renner 1980-7-24 2087 Siskiyou Lily Pad Lake 1768 Comment
  RSA602581  Glyceria striata L. C. Wheeler 1935-7-26 3717 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  CAS-BOT-BC302682  Gnaphalium palustre Geo. D. Butler 1910-6-12 1560 Siskiyou Yreka Creek Comment
  POM208364  Gnaphalium palustre L. C. Wheeler 1934-6-10 2676 Siskiyou Hungry Creek; Siskiyou Mts. Comment
  CAS-BOT-BC302676  Gnaphalium palustre L. E. Smith 1915-7-1 s.n. Siskiyou Castella Comment
  POM58034  Gnaphalium palustre E. B. Copeland 1903-7-2 3533 Siskiyou Klamathon. Comment
  HSC68458  Goodyera oblongifolia Maralyn A. Renner 1980-7-4 1437 Siskiyou Clear Creek Trail, N of Trout Camp. 1037 Comment
  HSC98370  Goodyera oblongifolia J. O. Sawyer 1969-8-18 1995 Siskiyou Slopes of S Sugar Creek 1829 Comment
  UCD98140  Gypsophila paniculata T. C. Fuller 1963-8-27 11160 Siskiyou n. limits of Macdoel. Comment
  UC1063908  Hackelia cusickii M. H. Mitchell 1936-5-21 Siskiyou s of road to Devils Gate Lava Beds National Monument; Modoc National Forest 1310 Comment
  HSC22137  Hackelia micrantha J. O. Sawyer 1969-7-3 1040 Siskiyou Near Lipstick Lake 1951 Comment
  HSC25411  Hackelia micrantha J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5692 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  HSC62457  Hackelia micrantha Ruby Van Deventer 1939-7-18 Siskiyou Twin Valley Comment
  HSC61917  Hackelia micrantha Ruby Van Deventer 1937-7-24 Siskiyou Poker Flat 1585 Comment
  HSC92282  Hackelia micrantha Jennifer Whipple 1976-7-9 1406 Siskiyou N-facing slopes in the Eddy Creek Drainage 2226 Comment
  UC637164  Hackelia setosa Edward Lee 1934-8-14 1121 Siskiyou w slope of Little Grayback 1706 Comment
  CHSC71612  Hastingsia alba Vernon H. Oswald; Lowell Ahart 1998-8-3 9423 Siskiyou Kangaroo Lake Rd: (USFS 41N08) 3.9 mi southeast of Gazelle-Callahan Rd. at its intersection with USFS 41N10. 1554 Comment
  UC142688  Hastingsia alba Dr. E. B. Copeland 1903-9-7 3864 Siskiyou Mt. Eddy 2438 Comment
  CAS-BOT-BC504592  Hastingsia alba Alice Eastwood; John Thomas Howell 1937-6-25 5020 Siskiyou Scott Mts. S of Callahan Comment
  CAS-BOT-BC504593  Hastingsia alba Lillian Mott 1977-7-4 32 LM76 Siskiyou Along road from Creek and Green Pass to Lily Pad Lake 1524 Comment
  CAS-BOT-BC504606  Hastingsia alba L. E. Smith 1913-6-29 s.n. Siskiyou Rainbow Comment
  RSA114964  Hastingsia alba E. K. Balls, Lee W. Lenz 1956-6-18 21720 Siskiyou 5.7 miles southeast of Gazelle, U.S. Highway 99, Yreka to Dunsmuir 884 Comment
  HSC30273  Hazardia whitneyi var. discoidea William J. Ferlatte 1971-9-18 1382 Siskiyou Sawtooth Ridge between Caribou Basin and Stuarts Fork 2287 Comment
  CAS-BOT-BC306737  Helenium bigelovii Henry M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road Comment
  UC179527  Helenium bigelovii A. A. Heller 1914-8-28 11733 Siskiyou Mt. Eddy 2133 Comment
  JEPS34860  Helianthus bolanderi George Butler 1908-8-27 337 Siskiyou L. Eastlick's Ranch, Oro Fino Oro Fino Comment
  CAS-BOT-BC305568  Helianthus bolanderi Louis C. Wheeler 1934-10-21 3334 Siskiyou Shasta Valley 2 mi. SE Yreka 853 Comment
  HSC101502  Hemerocallis fulva J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 12993 Siskiyou Fence row along Gazelle-Callahan Road. 3961 Comment
  CAS-BOT-BC314952  Hemizonella minima Elmer I. Applegate 1936-5-18 10319 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  HSC77015  Hemizonella minima K. T. Stillman 1976-6-25 40 Siskiyou Marble Mtn. Wilderness Area, Marble Valley 1829 Comment
  JEPS84315  Hemizonella minima L. R. Heckard with J. Hickman et al. 1986-7-17 6548 Siskiyou ca 1 mi ne Buckhorn 2100 Comment
  JEPS19789  Hemizonella minima Rimo Bacigalupi with S. Galen Smith 1957-6-25 5932 Siskiyou forest land just w Black Butte railroad junction 1188 Comment
  HSC96738  Hesperochiron californicus M. Mesler 2006-7-2 624 Siskiyou Trail to E of Boulder Lake 1829 Comment
  UC1005597  Hesperochiron pumilus Frank W. Gould 1940-5-15 1237 Siskiyou Goosenest Mt. near Bull Meadows; Goosenest Mt. 1524 Comment
  SD40665  Hesperocyparis bakeri Carl B. Wolf, E. R. Johnson 1934-10-8 Siskiyou Modoc lava Beds, 1 mile northeast of Timbered Crater on Old Stage Road from Dana to Little Hot Springs Valley 1220 Comment
Read comments
Mar 29 2012
  SD43482  Hesperocyparis bakeri Carl B. Wolf 1944-10-30 11481 Siskiyou Modoc Lava Beds, 1 mile northeast of Timbered Crater on Old Stage Road from Dana to Little Hot Springs Valley 1220 Comment
  CHSC71488  Hesperolinon micranthum Vernon H. Oswald; Lowell Ahart 1998-7-21 9315 Siskiyou Shasta NF plantation on the west side of Hwy. 97 2.2 mi northeast of Lake Shastina-Big Springs Rd. northeast of Weed. 975 Comment
  UC1557834  Heterotheca oregona var. rudis J. Semple and S. Heard 1986-8-16 8496 Siskiyou 9.8 km s of road to Kanagaroo Lake (just ne of CA-3, se of Etna, on road to Gazelle) Comment
  RSA183747  Heterotheca villosa var. minor Gilbert Muth 1965-7-28 311 Siskiyou Near Marble Mountain Lookout. Comment
  CAS-BOT-BC420728  Heuchera cylindrica Elmer I. Applegate 1935-6-6 9356 Siskiyou North slope of Caldwell Butte, Lava Beds National Monument Comment
  HSC75653  Heuchera cylindrica J. O. Sawyer, R. J. Cole 1980-7-22 3876 Siskiyou 0.5 mi. S of Lava Camp 1829 Comment
  HSC64677  Heuchera merriamii J. O. Sawyer 1977-7-6 3036 Siskiyou Behind S Sugar Lake 1982 Comment
  JEPS80536  Heuchera merriamii Gilbert Muth 1965-8-17 308 Siskiyou lower creek on trail to Black Mountain; Marble Mountain Wilderness Area 1828 Comment
  RSA0063197  Heuchera merriamii John T. Howell 1939-8-2 14863 Siskiyou Spirit Lake, Marble Mts. Comment
  RSA0066186  Heuchera merriamii Frederick W. Oettinger 1968-8-4 386 Siskiyou Trail N of Crapo Peak ridge. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2195 Comment
  CAS-BOT-BC425006  Heuchera micrantha var. micrantha Lewis S. Rose 1945-6-18 45107 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC319678  Hieracium albiflorum Geo. D. Butler 1910-6-5 1483 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC319693  Hieracium albiflorum Lewis S. Rose 1945-6-18 45086 Siskiyou Horse Creek and Klamath River 502 Comment
  JEPS36597  Hieracium albiflorum Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sisson Region of the Upper Sacramento Comment
  CAS-BOT-BC319692  Hieracium albiflorum P. A. Munz 1965-8-11 s.n. Siskiyou Upper meadows, Marble Valley Comment
  RSA721137  Hieracium albiflorum Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mountains. 915 Comment
  RSA758219  Hieracium albiflorum R. F. Thorne 1969-8-2 66328 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  CAS-BOT-BC318545  Hieracium greenei Gilbert J. Muth 1969-8-7 1268 Siskiyou Boulder Peak Ridge 2468 Comment
  CAS-BOT-BC316009  Hieracium nudicaule Lewis S. Rose 1937-7-26 37609 Siskiyou McCloud 1005 Comment
  CAS-BOT-BC316027  Hieracium scouleri Elmer I. Applegate 1925-6-8 9425 Siskiyou Bear Paw Cave, Lava Beds National Monument Comment
  HSC36470  Hieracium scouleri J. O. Sawyer 1969-8-18 1986 Siskiyou Along S Sugar Creek 1921 Comment
  HSC29149  Hieracium triste Frederick W. Oettinger 1969-9-5 1673 Siskiyou High Lake Basins near English Peak; Marble Mtn. Wilderness Area: Upper English Lake 1799 Comment
  UC897858  Hieracium triste John Thomas Howell 1939-8-8 15152 Siskiyou Black Mts, Marble Mts Comment
  HSC60908  Hieracium triste Al Hobart Siskiyou Black Butte Comment
  UCD133129  Hieracium triste J. M. Tucker; Louis K. Mann 1963-8-19 3783 Siskiyou Canyon Creek, Marble Mountain Wilderness Area. 1920 Comment
  CHSC71484  Hippuris vulgaris Vernon H. Oswald; Lowell Ahart 1998-7-21 9349 Siskiyou Northeast of Weed and south of Macdoel along Old State Highway on the west side of Bray. 1417 Comment
  HSC29377  Holodiscus discolor Frederick W. Oettinger 1969-8-19 1448 Siskiyou Marble Mtn. Wilderness area, ridge from Arrow Peak to King David Peak 1951 Comment
  RSA237612  Holodiscus discolor Frederick W. Oettinger 1968-9-8 787 Siskiyou Cliffs south of English Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1784 Comment
  CAS-BOT-BC152365  Holodiscus discolor var. discolor L. R. Short 1933-6-16 39 Siskiyou Klamath River 609 Comment
  CAS-BOT-BC152370  Holodiscus discolor var. discolor D. H. Norris 1970-5-23 12240 B Siskiyou Along Klamath River at Ishi Pishi Bridge near Somes Bar. Comment
  SD76173  Holodiscus discolor var. glabrescens Helen V. Witham 1969-10-6 547 Siskiyou Rocky slope above Kangaroo Lake, Scott Mts. 2400 Comment
  CAS-BOT-BC150136  Holodiscus microphyllus var. glabrescens Geo. B. Grant 1902-9-1 583 Siskiyou Mt. Shasta Comment
  HSC67750  Holodiscus microphyllus var. glabrescens J. O. Sawyer, J. Cole 1980-7-20 3805 Siskiyou E side of Grouse Hill 2134 Comment
  CAS-BOT-BC388568  Holosteum umbellatum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53372 Siskiyou Grenada 792 Comment
  UCD85471  Hordeum brachyantherum R. Tofsrud 1948-8-1 s.n. Siskiyou Poker Flat, north of Happy Camp. Comment
  CHSC69099  Hordeum brachyantherum subsp. brachyantherum Vernon Oswald; Lowell Ahart 1997-7-28 8787 Siskiyou Southeast of Medicine Lake on road 43N54 at a meadow 0.6 mi southeast of Paynes Springs. 1920 Comment
  UCD85592  Hordeum depressum A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3423 Siskiyou Shasta Valley. 6 miles N of Gazelle. Comment
  SACT001350  Hordeum jubatum Verne Grant, Irving Schneider 1947-8-26 Siskiyou Comment
  CDA2203  Hordeum murinum subsp. leporinum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2781 Siskiyou Yreka. West of Motel 6, south of town, north of Greenhorn Creek Road. Comment
  CHSC91254  Hordeum murinum subsp. leporinum Lowell Ahart; John Dittes 2005-6-10 12067 Siskiyou South of a poor dirt road, about 90 yards northwest of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada. 776 Comment
  UC197111  Hordeum murinum subsp. leporinum Geo. D. Butler 1908-6-25 487 Siskiyou near Yreka Comment
  UC673253  Horkelia daucifolia Lincoln Constance and Reed C. Rollins 1942-5-13 2913 Siskiyou 2 mi s Scott Bar; Klamath Siskiyou Region, Scott River 548 Comment
  JEPS44564  Horkelia fusca subsp. parviflora W. L. Jepson 1914-8-9 5740 Siskiyou McCloud 1036 Comment
  UC485549  Horkelia fusca subsp. parviflora F. W. Hooper Apr. 1897 Siskiyou Little Shasta Comment
  JEPS113063  Horkelia fusca var. brownii Roy Buck 1987-6-7 672 Siskiyou along USFS Road 41N72 ca. 8-10 mi NNE of Bartle Comment
  JEPS102922  Horkelia tridentata subsp. flavescens Thomas W. Nelson and Jane P. Nelson 1983-7-29 7527 Siskiyou Scott Mountain Summit campground; Scott Mountain 1645 Comment
  CAS-BOT-BC312577  Hulsea nana Peter H. Raven 1956-9-4 10425 Siskiyou Summit of Mt. Eddy 2758 Comment
  CHSC102560  Hulsea nana L. P. Janeway 2009-8-3 9888 Siskiyou High Cascade Range. Mt. Shasta, east-northeast slope 2.4 air km southwest of Brewer Creek Trailhead; about 20 m south of Brewer Creek. 2637 Comment
  HSC38600  Hulsea nana J. O. Sawyer 1976-10-31 2827 Siskiyou Above timberline along Ash Creek below Wintun Glacier, E side of Mt. Shasta 3201 Comment
  UC163836  Hydrophyllum fendleri var. albifrons Geo. D. Butler 1910-7-9 1720 Siskiyou Marble Mountain 1676 Comment
  UCR37834  Hydrophyllum occidentale L. P. Janeway 1983-6-27 446 Siskiyou At Poker Flat 1524 Comment
  UCD119492  Hydrophyllum occidentale J. P. Smith; Steve Selva 1970-6-15 3957 Siskiyou 20 miles east of Cecilville on the road to Callahan. 1645 Comment
  SEINET11259600 Image available Hymenoxys lemmonii G. D. Butler 1910-7-4 1640 Siskiyou Shasta River Comment
  CHSC30332  Hypericum anagalloides M. S. Taylor 1980-7-8 3100 Siskiyou NW side of Castle Lake, along edge of lake in creek crossing. 1615 Comment
  CAS-BOT-BC400989  Hypericum anagalloides Wm. Bridge Cooke 1938-9-8 11654 Siskiyou Mount Shasta. Squaw Creek Heather Meadows Comment
  UCD110386  Hypericum perforatum subsp. perforatum S. P. Lynch 1975-6-20 1391 Siskiyou ca. 3 mi. S of Hwy. 96 on rd. to Scott's Bar along Scott River. Comment
  SEINET3157533  Hypericum scouleri G. D. Butler 1910-7-3 1627 Siskiyou Goosenest foothills 1219 Comment
  CAS-BOT-BC88622  Idahoa scapigera George Dexter Butler 1909-2-1 571 Siskiyou Near Yreka. Comment
  UC1576732 Image available Iliamna bakeri Dean Wm. Taylor, Glenn L. Clifton, and R. Doug Stone 1987-8-6 9244 Siskiyou About 100 m s Lava Tank (extreme northeastern portion of County, Hambone Island region. 1219 Comment
  UC52524  Ipomopsis aggregata Geo. B. Grant Sept, 1902 4967 Siskiyou Sisson Comment
  RSA211092  Ipomopsis aggregata subsp. formosissima William J. Ferlatte 1966-6-22 86 Siskiyou Along the South Fork of the Salmon River between the campgrond and Carter's; Trinity Alps. 1524 Comment
  JEPS80535  Ipomopsis congesta Gilbert Muth 1965-7-28 312 Siskiyou ridge near Marble Mt. Lookout Marble Mt. Wilderness Area 2103 Comment
  HSC17050  Ipomopsis congesta R. C. Wunner 1965-6-26 285 Siskiyou Lava Beds National Monument, Schonchin Butte near top 1614 Comment
  RSA136359  Iris tenuissima Lee W. Lenz, E. K. Balls 1956-6-18 21805 Siskiyou 1.4 mile west of Bartle (junction with road to Lava Beds), State Highway 89, McCloud to Burney 1220 Comment
  CHSC33174  Isatis tinctoria R. E. Preston 1981-5-2 60 Siskiyou On roadside cuts, ca. 50 m n of Camp Creek, at Irongate Reservoir, ca. 32 km ne of Yreka. 700 Comment
  UC1094383  Isatis tinctoria R. C. Bacigalupi with S. Galen Smith 1957-6-27 5973 Siskiyou Grass Lake, along Highway 97 Grass Lake 1524 Comment
  CDA3764  Isatis tinctoria T. C. Fuller, W. T. Parsons 1960-7-25 4870 Siskiyou 2 miles northwest of Ft. Jones, Scott Valley. 0 Comment
  CDA3769  Isatis tinctoria Margaret Bellue 1935-6-21 Siskiyou Scott Valley. 0 Comment
  CDA37899  Isatis tinctoria J. L. Johnson 1980-7-1 s.n. Siskiyou Scott Valley. 0 Comment
  RSA184739  Isatis tinctoria Gilbert Muth 1966-7-5 349 Siskiyou Lovers Camp, Marble Valley, Marble Mtns. 1250 Comment
  HSC26913  Isoetes bolanderi J. P. Smith, J. O. Sawyer 1971-9-17 4775 Siskiyou Shallow water at edge of Little Duck Lake Comment
  CAS-BOT-BC69863  Isoetes occidentalis Louis C. Wheeler 1963-9-11 8385 Siskiyou Siskiyou Mountains: Dillon Creek, 3/4 mi. ne. of Sawtooth Mountain. 1615 Comment
  OBI80241  Isoetes occidentalis David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. Paradise Lake. 1865 Comment
  RSA237984  Isoetes occidentalis Frederick W. Oettinger 1969-8-7 1268 Siskiyou W end of English Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1753 Comment
  HSC67450  Juncus bolanderi J. P. Smith, Steve Selva 1970-6-15 3923 Siskiyou 10 mi. NW of Forks of Salmon Comment
  JEPS66925  Juncus bufonius Geo. D. Butler 1909-6-2 792 Siskiyou near Yreka Comment
  UC2525  Juncus effusus subsp. pacificus W. L. Jepson 1894-1 Siskiyou Mt. Shasta Comment
  UC637040  Juncus ensifolius Edward Lee 1934-8-13 1076 Siskiyou Happy Camp to Waldo (Oregon) road (watershed of West Branch of Indian Creek); Klamath National Forest, West Branch of Indian Creek 1371 Comment
  HSC62306  Juncus ensifolius Al Hobart 1968-6-18 Siskiyou Youngs Valley Comment
  UCSB63785  Juncus kelloggii Oswald, Vernon; Ahart, Lowell 1998-7-21 Siskiyou Northeast of Weed; east of Grass Lake; and west of Bray on Old State Highway; 0.8 mi east of Tennant Rd; T44N R1W SW'/i Sect. 20 1417 Comment
  CAS-BOT-BC127622  Juncus mertensianus Jennifer Whipple 1976-7-8 1335 Siskiyou North slopes of Mount Eddy. Klamath Mountains. 2438 Comment
  CAS-BOT-BC127623  Juncus mertensianus Jennifer Whipple 1976-6-30 1219 Siskiyou Mount Eddy. Klamath Mountains. Wagon Creek drainage near Wagon Creek. 2194 Comment
  JEPS74125  Juncus mexicanus Geo. D. Butler 1910-5-26 1409 Siskiyou Yreka Comment
  JEPS66698  Juncus orthophyllus B. C. Goldsmith 1916-9-29 30 Siskiyou Medicine Lake Comment
  HSC69060  Juncus orthophyllus Maralyn A. Renner 1980-8-6 2322 Siskiyou Cracker Meadow 1555 Comment
  HSC69159  Juncus orthophyllus Maralyn A. Renner 1980-8-4 2209 Siskiyou Flint Valley 1390 Comment
  RSA299465  Juncus orthophyllus J. P. Smith, Steve Selva 1970-7-18 4485 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  HSC92705  Juncus parryi Jennifer Whipple 1978-10-6 2394 Siskiyou Primarily N facing slopes in the Eddy Creek drainage. 2317 Comment
  HSC92706  Juncus parryi Jennifer Whipple 1976-7-23 1517 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2317 Comment
  JEPS84037  Juncus parryi L. R. Heckard with S. D'Alcamo, J. Hickman, W. Roderick 1986-7-16 6428 Siskiyou ca 5 mi n Seiad Valley town (cirque at head of Hell's Canyon, e slope of Kangaroo Mountain); Kangaroo Mountain, Hell's Canyon 1828 Comment
  LA20128  Juncus parryi F. J. Hermann; 1938-8-21 11541 Siskiyou Mount Shasta, on the flats below Horse Camp Comment
  JEPS57169  Juniperus communis L. R. Heckard 1967-8-13 1707 Siskiyou Mt. Eddy 2743 Comment
  RSA129450  Juniperus communis var. montana H. A. Jensen 1933-10-5 360 Siskiyou Slope of Shastina; Shasta National Forest 2591 Comment
  HSC1220  Juniperus communis var. saxatilis J. F. Knezevich 1967-6-3 183 Siskiyou Mt. Shasta NE of the ski lodge, 300 ft. higher than the lodge 2500 Comment
  HSC31503  Juniperus communis var. saxatilis Steve Selva, Roger Jensen 1974-8-25 51 Siskiyou Top of ridge S of Little Duck Lake Comment
  CAS-BOT-BC81226  Juniperus occidentalis Alice Eastwood 1922-10-23 11558 Siskiyou Yreka Comment
  CAS-BOT-BC81244  Juniperus occidentalis C. Etienne 1969-12-27 s.n. Siskiyou 15 mi. N of Weed, Highway 97 1767 Comment
  CHSC109717  Juniperus occidentalis A. A. Heller 1938-7-12 15262 Siskiyou About 2 miles north of Bray. Comment
  UC401377  Juniperus occidentalis Geo. D. Butler 1908-9-6 226 Siskiyou dry land near Yreka Comment
  NY20171  Juniperus occidentalis A. A. Heller 1905-6-9 s.n. Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  HSC23541  Kelloggia galioides J. O. Sawyer 1969-7-24 1190 Siskiyou NE facing slope above Sugar Lake 1784 Comment
  HSC67645  Kelloggia galioides J. P. Smith, Steve Selva 1970-7-17 4473 Siskiyou Below Kangaroo Lake. 1890 Comment
  RSA747342  Kelloggia galioides K. M. Meyer, A. Townesmith 2007-7-29 171 Siskiyou Shasta-Trinity National Forest. 0.3 mi. on 40N25 Rd., off Siskiyou County Rd., A10/Everitt Memorial Hwy. 1805 Comment
  UCR179178  Kelloggia galioides Robert E. Preston 2001-6-23 1559 Siskiyou Rainbow Mountain and Vicinity, Klamath National Forest, north slope of Rainbow Mtn. 1829 Comment
  CHSC71341  Koeleria macrantha Vernon H. Oswald; Lowell Ahart 1998-6-11 9194 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
  CHSC88409  Koeleria macrantha Jenny Marr 1993-7-1 168 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  HSC41075  Kyhosia bolanderi J. O. Sawyer 1969-9-11 2017 Siskiyou Behind Sugar Lake 2073 Comment
  RSA715638  Lagophylla ramosissima L. Ahart, John Dittes 2005-6-9 12016 Siskiyou On the east side of a poor rock fence, about 350 yards E of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2.5 miles (air) ESE of Grenada. 775 Comment
  CAS-BOT-BC88927  Lepidium densiflorum var. densiflorum A. A. Heller 1916-8-24 12561 Siskiyou Near Sisson. 1013 Comment
  HSC81974  Lepidium virginicum var. virginicum Barry Silver 1986-5-24 604 Siskiyou West Branch Campground, Klamath National Forest, 7 mi. NW of Happy Camp, near Indian Creek 671 Comment
  POM208354  Leptosiphon ciliatus L. C. Wheeler 1934-6-11 2688 Siskiyou Siskiyou Mts., Mt. Diablo Mer., North Hungry Creek 1220 Comment
  HSC30429  Leptosiphon harknessii Frederick W. Oettinger 1968-8-8 577 Siskiyou Marble Mtn. Wilderness Area, Tobacco Lake 1890 Comment
  HSC32259  Leptosiphon nuttallii J. O. Sawyer 1970-7-4 2328 Siskiyou 1585 Comment
  CAS-BOT-BC341900  Lessingia nemaclada Geo. D. Butler 1908-8-2 341 Siskiyou Greenview Comment
  CAS-BOT-BC508375  Leucocrinum montanum Elmer I. Applegate 1935-6-6 9362 Siskiyou Crater of Caldwell Butte, Lava Beds National Monument Comment
  CDA39356  Leucocrinum montanum D. H. Shaw 1979-5-9 s.n. Siskiyou Vicinity of Butte Creek, ca. 3.5 km west of Bray. 0 Comment
  RSA211450  Leucothoe davisiae William J. Ferlatte 1966-8-3 279 Siskiyou Trinity Alps: Josephine Lake basin 1677 Comment
  RSA238389  Leucothoe davisiae Frederick W. Oettinger 1967-8-3 230 Siskiyou Borner at the N. end of Diamond Lake. The Salmon Mtns. High lake basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2073 Comment
  UCD19287  Lewisia cotyledon Julie Knorr 1978-7-14 18 Siskiyou Marble Mountain Wilderness, rocky bluff 1 mi. below summit lake on trail. 1889 Comment
  UC163731  Lewisia cotyledon var. cotyledon Geo. D. Butler 1909-7-20 460 Siskiyou Highland Mine Comment
  CAS-BOT-BC444063  Lewisia cotyledon var. howellii L. R. Short 1933-5-24 119 Siskiyou Klamath National Forest. Rocky cliff on Klamath 548 Comment
  CAS-BOT-BC444076  Lewisia leeana R. F. Thorne; Frederick W. Oettinger 1969-8-4 63370 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. SE side of Diamond Lake 2072 Comment
  UC1190112  Lewisia leeana Ira L. Wiggins 1955-7-29 13569 Siskiyou Caribou Lake, pass at sw end Salmon-Trinity Alps Primitive Area 2072 Comment
  UC1736073  Lewisia leeana Dean W. Taylor 1988-7-9 9948 Siskiyou Castle Lake region, in cirque and ridgetop above Heart Lake 1950 Comment
  UC454264  Lewisia leeana I. J. Condit 1911-7-27 Siskiyou Castle Lake 1981 Comment
  RSA65683  Lewisia leeana Dorothy Tebbe 1929-7-22 10902 Siskiyou Rocky summits just above Crater Lake, Mt. Eddy. 1982 Comment
  RSA78837  Lewisia leeana P. A. Munz 1952-7-2 17915 Siskiyou Ridge on road to Baldy Mt, 6 miles W air of Happy Camp. 1433 Comment
  HSC26223  Lewisia nevadensis J. P. Smith, J. O. Sawyer 1972-5-27 5349 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  SBBG1936  Lewisia nevadensis H. and M. Dearing 1939-6-5 3559 Siskiyou SE of McCloud 1371 Comment
  RSA50194  Lewisia rediviva E. K. Balls 1949-7-8 13910 Siskiyou Trail from Scott Mountain Camp to Carmen Lake; Scott Mountain. 1753 Comment
  RSA120758  Lewisia triphylla S. S. Tillett 1956-7-9 661 Siskiyou Little Carmen Lake, n. side of Scott Mtn. Siskiyou-Trinity cos. line, ca. 8 mi. se. of Callahan 1829 Comment
  UC1408940  Lewisia triphylla Frederick W. Oettinger 1969-7-10 947 Siskiyou n Upper English Lake; Salmon Mountains, High Lake Basins, Marble Mountain Wilderne 1950 Comment
  RSA211258  Lewisia triphylla William J. Ferlatte 1966-6-22 74 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  SEINET10531266  Libocedrus decurrens E. E. Stanford 1930-6-15 Stanford 1582 Siskiyou 1 mile north of Dunsmuir; roadsides. Comment
  JEPS25813  Ligusticum grayi Geo. D. Butler 1908-8-11 459 Siskiyou Shackleford Creek 1219 Comment
  UC1409812  Ligusticum grayi J. M. Tucker 1974-7-28 4313 Siskiyou Marble Mt. Wilderness Area, Haypress Meadows 1463 Comment
  UC648277  Ligusticum grayi John Thomas Howell 1939-8-9 15198 Siskiyou Marble Mts., Sky High Valley 1828 Comment
  RSA238846  Lilium kelleyanum Frederick W. Oettinger 1967-7-30 218 Siskiyou The NW side of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  UC1409481  Lilium kelleyanum Frederick W. Oettinger 1968-8-6 420 Siskiyou se corner, vicinity of English Peak, w Siskiyou County Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area 1920 Comment
Read comments
Dec 13 2006
  SEINET8480721  Lilium pardalinum W. Roderick 1967-7-28 s.n. Siskiyou Center of town of Mt. Shasta, between the old highway and the railroad. Comment
  HSC44604  Lilium pardalinum subsp. vollmeri Laura Witherspoon 1977-7-12 Siskiyou Flint Valley 1341 Comment
  HSC61120  Lilium parvum Al Hobart 1965-8-14 Siskiyou USFS Rd. 17N04, Doe Flat 1067 Comment
  UC705668  Lilium washingtonianum subsp. purpurascens Marion Ownbey, Fred G. Meyer 1940-7-6 2196 Siskiyou summit Cayenne Ridge (Marble Mt.); , Cayenne Ridge Comment
  CAS-BOT-BC26045  Lilium wigginsii L. Beane; Albert M. Vollmer 1954-7-16 1266 Siskiyou Siskiyou Mountains near Oregon border west of Highway 99 Comment
  HSC4864  Linnaea borealis subsp. longiflora J. O. Sawyer 1968-7-10 519 Siskiyou S side of Sugar Creek. 1616 Comment
  RSA435729  Linum lewisii M. B. Dunkle 1944-7-18 9142 Siskiyou Siskiyou National Forest. 1890 Comment
  UC609319  Linum lewisii Eleanor Burks Hart 1938-8-18 902 Siskiyou upper edge of Big Meadow Big Meadow 2286 Comment
  HSC4905  Listera caurina J. O. Sawyer 1968-7-2 359 Siskiyou Upper drainage of Joe Creek 1677 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
  CAS-BOT-BC36532  Lithocarpus densiflorus var. echinoides Laura Myrtle Lathrop 1903-7-27 s.n. Siskiyou Shasta Retreat Comment
  CDA25416  Lithophragma glabrum T. C. Fuller 1958-4-16 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  CHSC105872  Lithospermum ruderale Julie Kierstead Nelson 2008-7-12 2008 -005 Siskiyou South slope of Mt. Shasta in mixed conifer-black oak forest. 1325 Comment
  UCD66313  Lolium perenne A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3425 Siskiyou 3 miles south of Yreka. Comment
  UCD66463  Lolium perenne A. A. Heller 1921-7-5 13564 Siskiyou Abrams Lake, near Sisson. Comment
  SEINET10591996  Lolium perenne A. Arthur Heller 1921-7-5 Heller 13564 Siskiyou Moist soil at Abrams Lake, near the town of Mt. Shasta, in the yellow pine belt. Comment
  UC337571  Lomatium macrocarpum unknown 1889-6-27 Siskiyou near Shasta Comment
  RSA237415  Lomatium macrocarpum Frederick W. Oettinger 1969-7-10 958 Siskiyou SSW of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  RSA60802  Lomatium nevadense I. L. Wiggins 1950-5-28 12361 Siskiyou Margins of Carmen Lake, ca. 1.5 miles E of Scott Mtn road. 1738 Comment
  HSC46210  Lomatium nevadense Jennifer Whipple 1976-5-2 901 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  UC923168  Lomatium nudicaule Freed W. Hoffman 1950-7-11 3279 Siskiyou Elk Valley rd. 2.1 mi. from junction with Klamath R. hwy. (w. Siskiyou Co.); North Coast Ranges, w. Siskiyou Co. 457 Comment
  UC166152  Lomatium peckianum Geo. D. Butler 1909-4-14 638 Siskiyou near Yreka Comment
  SEINET11121385  Lomatium peckianum L. Constance 1964-1 s.n. Siskiyou 5.2 miles S of Yreka. 792 Comment
  CAS-BOT-BC211228  Lomatium tracyi R. C. Barneby 1954-5-17 11534 Siskiyou Scott Mts. 5 miles above Callahan 1249 Comment
  CDA38460  Lomatium triternatum var. macrocarpum T. C. Fuller 1958-6-19 1889 Siskiyou Tom Williams property, 4 miles northeast of Montague. 0 Comment
  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
  UC165431  Lomatium vaginatum Geo. D. Butler Apr 18 1909-Apr 30 1909 665 Siskiyou Humbug Mt. Comment
  SBBG7340  Lonicera H. and M. Dearing 1938-6-27 2178 Siskiyou near Burney Falls Comment
  CDA15574  Lonicera ciliosa G. F. Hrusa 1998-7-5 14682 Siskiyou Siskiyou Mountains; S side of Little Grayback pass on Happy Camp-O'Brien Rd. Ca. side of State Boundary, nr. Indian Ck. Camp. Comment
  HSC4903  Lonicera conjugialis J. O. Sawyer 1968-6-18 217 Siskiyou Headwaters of Blake's Fork of S Russian Creek. 1738 Comment
  CAS-BOT-BC243925  Lonicera involucrata var. involucrata Volney Rattan 1879-1-1 s.n. Siskiyou Happy Camp Comment
  JEPS16301  Lonicera tatarica W. T. Mooney 1903-5-21 Siskiyou Yreka Comment
  CAS-BOT-BC200968  Lotus L. R. Abrams 1926-7-4 11229 Siskiyou 1 mile west of Mt. Shasta City on road to Abrams Lake Comment
  JEPS75367  Lotus crassifolius var. crassifolius Geo. D. Butler 1908-8-2 394 Siskiyou Shackleford Creek Quartz Valley Comment
  UC164092  Lotus crassifolius var. crassifolius Geo. D. Butler 1910-6-6 1452 Siskiyou Quartz Valley Comment
  UC33400  Lotus crassifolius var. crassifolius W. C. Blasdale Aug 1894 Siskiyou Sisson Comment
  UC163680  Lotus denticulatus Geo. D. Butler 1910-6-27 1610 Siskiyou Yreka Creek Comment
  UC161561  Lotus nevadensis var. nevadensis Geo. D. Butler 1908-6-28 392 Siskiyou near Yreka Comment
  UC163799  Lotus nevadensis var. nevadensis Geo. D. Butler 1909-5-23 777 Siskiyou near Yreka Comment
  UC585219  Lotus nevadensis var. nevadensis E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1892 Siskiyou about 2 mi s Yreka 822 Comment
  UC454685  Lotus oblongifolius var. oblongifolius I. J. Condit 1911-7-3 Siskiyou Shasta Retreat Comment
  HSC666  Lotus unifoliolatus var. unifoliolatus William J. Ferlatte 1967-7-9 682 Siskiyou Kidd Creek Trail 1768 Comment
  POM27595  Lotus wrangelianus Geo. D. Butler 1910-6-27 1610 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC140210  Luetkea pectinata R. F. Thorne; Frederick W. Oettinger 1969-8-4 63365 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, in the vicinity of English Peak. SE side of Diamond Lake 2072 Comment
  JEPS50868  Luetkea pectinata Al Hobart 1967-8-8 Siskiyou n side Preston Peak Comment
  RSA451617  Luetkea pectinata M. B. Dunkle 1945-8-2 9279 Siskiyou Paradise Lake, Klamath National Forest, Marble Mountains. Comment
  UC1190149  Luetkea pectinata Ira L. Wiggins 1955-7-29 13571 Siskiyou pass at sw end Caribou Lake; Salmon-Trinity Alps Primitive Area 2072 Comment
  NY16020  Lupinus A. A. Heller 1928-6-23 14646 Siskiyou Along the Pacific Highway near Hilt, in the Transition life zone. Comment
  LA205031  Lupinus albicaulis Wm. Bridge Cooke; 1938-8-12 11464 Siskiyou Mount Shasta, along the Wagon Camp-Horse Camp Trail 1828 Comment
  UC725354  Lupinus albicaulis var. shastensis A. A. Heller 1940-7-25 15764 Siskiyou trail to Horse Camp Mt. Shasta (Mt. Shasta) Comment
  UC727082  Lupinus albicaulis var. shastensis A. A. Heller 1938-7-13 15274 Siskiyou on U.S. Highway #97 on the hill on the n outskirts Weed; n outskirts of Weed Comment
  UC1401212  Lupinus albifrons var. collinus K. Morris, LeDoux and Dunn 1973-6-2 336 Siskiyou on Hornbrook to Montague road about 1 mi se Hornbrook; se of Hornbrook Comment
  POM26763  Lupinus albifrons var. eminens Geo. D. Butler 1909-5-26 776 Siskiyou Yreka Creek Comment
  CAS-BOT-BC196321  Lupinus albifrons var. flumineus K. Morris; Dunn; Kenney 1973-6-2 370 Siskiyou On the south side of Hwy 3, 22 mi E of Fort Jones Comment
  CAS-BOT-BC196328  Lupinus albifrons var. flumineus Charles Piper Smith 1949-4-22 49135 Siskiyou Highway 99 - Klamath River Bridge, 3.9 miles south - Shasta River Canyon Comment
  HSC23657  Lupinus andersonii J. O. Sawyer 1969-7-16 1144 Siskiyou 2073 Comment
  HSC27655  Lupinus andersonii Carl W. Mize 1972-6-8 8 Siskiyou 351 Comment
  HSC63295  Lupinus andersonii M. A. Baker 1979-7-30 1083 Siskiyou Marble Mtn. Wilderness, Tickner Summit. 695 Comment
  SEINET5327649  Lupinus andersonii G. Butler 1910-5-15 1349 Siskiyou Greenhorn Moutains 1067 Comment
  RSA237946  Lupinus andersonii var. andersonii Frederick W. Oettinger 1968-8-19 587 Siskiyou Crapo View Gap, English Peak. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  SFV18059  Lupinus angustiflorus J. A. Matos, D. C. Rudolph 1999-8-7 s. n. Siskiyou 2 miles south of Lava Beds National Monument on Lava Beds National Monument Road. 1738 Comment
  HSC2247  Lupinus aridus Geo. D. Butler 1910-6-4 1500 Siskiyou Shackleford Creek Comment
  HSC30776  Lupinus bicolor J. P. Smith, J. O. Sawyer 1972-5-28 5363 Siskiyou 1 mi. S of Etna on Hwy. 3 91 Comment
  CAS-BOT-BC215169  Lupinus croceus Clarence R. Quick 1958-6-17 58 -26 Siskiyou Near Black Bear Summit S of Sawyer's Bar on ridge road to Cecilville 1356 Comment
  CAS-BOT-BC215189  Lupinus croceus Roxana S. Ferris; Laura Lorraine 1948-6-12 11810 Siskiyou At Mule Creek Crossing of Scott Mountain Road 1524 Comment
  UC1482885  Lupinus croceus P. Kenney, Conrad and Dunn 1973-6-4 384 Siskiyou along road from Cecilville to Callahan 6.4 mi w Callahan; w of Callahan 1737 Comment
  SEINET10490742  Lupinus croceus var. croceus Thomas W. Nelson, Jane P. Nelson 1982-7-28 Nelson 7251 Siskiyou Siskiyou-Trinity County line. China Mountain quad. Along W side of forest service red. 42N17 at summit above Dead Fall Meadow. Jeffrey pine woodland over serpentine. 2073 Comment
  UC1481294  Lupinus croceus var. pilosellus M. L. Conrad, Dunn, and Kenney 1973-6-2 6988 Siskiyou on road to Callahan, ne Cecilville Store; ne of Cecilville Store 2072 Comment
  UC1409330  Lupinus latifolius var. viridifolius Frederick W. Oettinger 1968-9-7 768 Siskiyou Upper meadow near Tobacco Lake (High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  HSC25460  Lupinus lepidus J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5655 Siskiyou Ridge E of Cook and Green Pass. 1524 Comment
  UCD108249  Lupinus lepidus var. confertus A. A. Heller 1916-7-21 12481 Siskiyou near Upton. 1097 Comment
  UC618893  Lupinus lepidus var. lobbii W. Bridge Cooke 1938-8-12 11463 Siskiyou Mount Shasta; Mount Shasta, Wagon Camp-Horse Camp Trail Comment
  LA205119  Lupinus lepidus var. lobbii W. B. C.; 1939-7-13 13561 Siskiyou Mount Shasta, around Squaw Valley Creek meadows 2590 Comment
  SBBG15740  Lupinus leucophyllus D. Myrick 1961-6-21 314 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1737 Comment
  RSA414436  Lupinus leucophyllus M. B. Dunkle 1944-7-15 9096 Siskiyou Siskiyou Nat'l Forest Comment
  SEINET10488736  Lupinus leucophyllus James L. Reveal, Mark L. Reveal 1975-8-15 Reveal 3950 Siskiyou Siskiyou mts, klamath nat'l forest, along the dry lake lookout rd (forest Service rd 40s01), 0.3 mi. W of the jct with 47n40, nw of round mt., On a Serpentine ridge, assoc. With pine-oak woodlands, sec 27, t47n, r9w. Comment
  JEPS81649  Lupinus luteolus L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2309 Siskiyou just ne western part of Iron Gate Reservoir (along road to Copco); ne of the western part of Iron Gate Reservoir 670 Comment
  SEINET8056947  Lupinus microcarpus G. D. Butler 1910-5-21 1373 Siskiyou Klamath hills. Comment
  UC138026  Lupinus microcarpus var. microcarpus Dr. E. B. Copeland 1903-7-2 3537 Siskiyou Klamathon Comment
  UC156994  Lupinus microcarpus var. microcarpus Geo. D. Butler 1910-5-21 1373 Siskiyou Klamath hills Comment
  RSA233670  Lupinus obtusilobus Robert F. Thorne, Fred Oettinger, K. Thorne 1969-8-10 38990 Siskiyou Mt. Shasta National Forst: S slope of Mt. Shasta. 2439 Comment
  UC725450  Lupinus obtusilobus A. A. Heller 1940-7-25 15765 Siskiyou about Horse Camp; Mt. Shasta 2438 Comment
  SEINET6193751 Image available Lupinus polyphyllus A. A. Heller 1916-1 s.n. Siskiyou near Sisson 1074 Comment
  HSC71358  Lupinus polyphyllus J. P. Smith, Steve Selva 1970-7-17 4441 Siskiyou 915 Comment
  RSA123788  Lupinus polyphyllus subsp. polyphyllus Douglas Barbe 1955-7-5 103 Siskiyou 2.5 miles north of Etna on Greeview Rd. 884 Comment
  SEINET11091470 Image available Lupinus sellulus A. A. Heller 1905-6-1 7933 Siskiyou Between Upper Soda Spring and Shasta Retreat Comment
  HSC92405  Lupinus sellulus subsp. ursinus Jennifer Whipple 1977-7-20 1979 Siskiyou South face of Mt. Eddy. 2470 Comment
  SEINET4460534 Image available Lupinus violaceus A. A. Heller 1905-1 8037 Siskiyou Comment
  HSC42909  Luzula comosa J. O. Sawyer, K. T. Stillman 1976-5-28 2722 Siskiyou Along Rd. W of Sawyers Bar. 610 Comment
  CAS-BOT-BC540705  Luzula comosa var. laxa Dana York 2012-7-21 3137 Siskiyou Siskiyou Mountains: Rogue River-Siskiyou National Forests, Red Butte Wilderness, NE Slope of Red Butte 1925 Comment
  HSC288  Luzula divaricata William J. Ferlatte 1967-8-21 1078 Siskiyou Caribou Basin, ridge W of Big Caribou Lake, Sawtooth Ridge 2134 Comment
  JEPS84031  Luzula parviflora L. R. Heckard with S. D'Alcamo, J. Hickman 1986-7-16 6414 Siskiyou ca 5 mi n of the town Seiad Valley (e slope Kangaroo Mountain, cirque at head of Hell's Canyon); e slope Kangaroo Mountain, cirque at head Hell's Canyon 1828 Comment
  POM215860  Luzula parviflora L. C. Wheeler 1934-6-18 2726 Siskiyou Cottonwood Creek, Siskiyou Mts. Mt. Diablo Mer. 1311 Comment
  SEINET6329309  Luzula subcongesta W. B. Cooke 1938-8-18 11469 Siskiyou Mt. Shasta 2469 Comment
  CAS-BOT-BC231460  Lycium barbarum Louis C. Wheeler 1934-11-4 3356 Siskiyou Scott Bar, Scott River, Marble Mts. 518 Comment
  CDA5122  Lythrum salicaria J. R. Keck Jr., J. Massey 1985-8-7 PDR# 330138 Siskiyou Tulelake Wildlife Refuge. 0 Comment
  SEINET2121890  Machaeranthera canescens M. L. Carson 1968-12-9 1296 Siskiyou US Highway 99 and Interstate 5 at base of Black Butte 4 mi S of Weed, 0.85 mi N of summit of the pass and 2.55 mi N of exit to Mount Shasta and State Highway A 10 1190 Comment
  RSA233663  Machaeranthera canescens var. shastensis R. F. Thorne, Fred Oettinger 1969-8-10 39003 Siskiyou Mount Shasta National Forest; south slope of Mt. Shasta at base of boulders. 2378 Comment
  CDA8233  Madia bolanderi T. C. Fuller, Don Shaw 1974-9-24 20039 Siskiyou Below Pacific Coast Trail, summit of Siskiyou Mountains, east of White Mountain. 0 Comment
  RSA237497  Madia bolanderi Frederick W. Oettinger, R. F. Thorne 1969-8-8 1296 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  JEPS40212  Madia citriodora Geo. D. Butler 1908-5-14 698 Siskiyou Klamath River Comment
  CAS-BOT-BC334665  Madia glomerata Louis C. Wheeler 1934-8-24 3216 Siskiyou Trapper Creek, Siskiyou Mountains 1859 Comment
  HSC36762  Madia gracilis J. P. Smith 1974-5-25 7410 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  JEPS125859  Madia gracilis Dean W. Taylor 1996-6-28 15749 Siskiyou Antelope Mountain, about 8 air miles S of Yreka Comment
  JEPS40350  Madia gracilis Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Sissons to Simms; Region of the Upper Sacramento Comment
  CAS-BOT-BC343438  Madia gracilis Wm. Bridge Cooke 1938-8-5 11440 Siskiyou McBride Springs, Mount Shasta 1524 Comment
  POM362187  Madia gracilis subsp. gracilis M. B. Dunkle 1944-7-15 9092 Siskiyou Siskiyou National Forest. Coastal northern California. 1768 Comment
  SEINET11812404  Madia madioides C. G. Pringle 1882-8-28 s.n. Siskiyou about Mt. Shasta Comment
  CAS-BOT-BC512761  Maianthemum racemosum subsp. amplexicaule Wm. Bridge Cooke 1938-6-17 11012 Siskiyou Mount Shasta, Sisson Southern Trail 1524 Comment
  CAS-BOT-BC512768  Maianthemum racemosum subsp. amplexicaule John Thomas Howell 1939-8-3 15013 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  HSC6003  Malacothrix floccifera Lincoln Constance, J. F. Davidson, B. Kasapligil, H. L. Mason 1950-7-15 3355 Siskiyou Scott River, Scott Valley between Fort Jones and Etna 915 Comment
  UC1216707  Medicago sativa W. B. and V. G. Cooke 1962-8-19 33548 Siskiyou Memorial Hwy Mt. Shasta (in new pine plantation clearing) Comment
  CAS-BOT-BC271214  Melica bulbosa K. T. Stillman 1976-7-15 248 Siskiyou Marble Mountain Wilderness Area Comment
  RSA239021  Melica bulbosa Frederick W. Oettinger 1968-8-8 451 Siskiyou Crapo Meadows. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  CHSC4362  Melica geyeri J. Potter 1966-5-14 Siskiyou 3 mi se of Callahan Old Oregon Stage Rd. Comment
  SEINET10599434  Melica harfordii F. Marion Ownbey 1940-7-7 Ownbey 2217 Siskiyou Gravelly soil in open places near summit of Cayenne Ridge, Marble Mountain. Comment
  RSA602387  Melica spectabilis L. C. Wheeler 1935-7-26 3701 Siskiyou Siskiyou Mountains: Jaynes Canyon. 1951 Comment
  HSC22263  Melica stricta J. O. Sawyer 1969-7-9 1264 Siskiyou Summit above S Sugar Lake. 2378 Comment
  HSC58562  Melica stricta G. L. Clifton, Griswold 1979-7-26 10115 Siskiyou Near Salmon Mountain, close to town of Forks of Salmon. 2103 Comment
  JEPS85757  Melica subulata Roy E. Buck and Robert A. Price 1988-8-9 1071 Siskiyou ca 1.2 air km wnw Cub Spring (e of Forest Serv Rd 39N56, 28 air km e of McCloud, w side of n-draining intermittent stream) 1280 Comment
  HSC15001  Melilotus albus R. C. Wunner 1965-7-16 395 Siskiyou Lava Beds National Monument, as rd. crosses Devils' Homestead Lava Flow 1296 Comment
  RSA60493  Melilotus albus John H. Thomas 1949-6-16 940 Siskiyou 10 miles north of Gazelle. Comment
  UC1714375  Mentha aquatica Louis C. Wheeler 1934-9-22 3299 Siskiyou Klamath River Walker (Walker); Siskiyou Mts., Klamath River 518 Comment
  POM211190  Mentha canadensis Louis C. Wheeler 1934-9-16 3269 Siskiyou Walker, Klamath River 518 Comment
  SEINET8463950  Micranthes ferruginea D. W. Taylor 1996-7-7 15801 Siskiyou Salmon Mountains, Ruffey Lakes (about 8 air miles Southwest of Etna) in cirque above the upper lake, Klamath National Forest 2073 Comment
  CAS-BOT-BC429260  Micranthes oregana A. A. Heller 1905-6-15 8031 Siskiyou Sisson Comment
  CAS-BOT-BC348420  Micropus californicus var. californicus J. H. Thomas 1954-5-13 4148 Siskiyou Southwestern Siskiyou County. Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville, between Lat. 41 deg. 03' and 41 deg. 06' N., and Long. 122 deg. 58' and 123 deg. 03' W. Along Rush Creek 1127 Comment
  CHSC88402  Microseris laciniata subsp. laciniata Jenny Marr 1993-7-1 161 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC163868  Microseris laciniata subsp. laciniata Geo. D. Butler 1909-6-13 957 Siskiyou near Oro Fino Comment
  CDA8390  Microseris laciniata subsp. laciniata T. C. Fuller 1958-6-19 1823 Siskiyou Highway 99, 3 miles south of Gazelle. 0 Comment
  UC564178  Microseris nutans Elmer I. Applegate 1935-6-7 9417 Siskiyou Bear Paw Cave Lava Beds National Monument Comment
  HSC61928  Microsteris gracilis Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  HSC61897  Mimulus breweri Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  RSA408133  Mimulus breweri Louis C. Wheeler 1935-6-27 3595 Siskiyou Etna Creek, Marble Mtns. 1524 Comment
  SEINET13710779  Mimulus evanescens Lowell William Ahart, Lowell William Ahart, V. H. Oswald 1998-1 9359 Siskiyou NE of Weed, E of Grass Lake, W of Bray on Old State Hwy 0.8 Mi. E of Tennant Rd. (T44N, R1W, SW 1/4 sec 20) 4650 Ft. 1417 Comment
  UC1409386  Mimulus guttatus Frederick W. Oettinger 1968-8-13 479 Siskiyou near Tom Taylor Cabin spring; Salmon Mountains, Marble Mountain Wilderness Area 2048 Comment
  RSA237547  Mimulus guttatus Frederick W. Oettinger 1969-9-4 1671 Siskiyou At spring at Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2049 Comment
  POM213853  Mimulus layneae G. C. Kimber 1934-6-9 33 Siskiyou Ney Creek 1/8 mi from junction with Sacramento River. 732 Comment
  RSA105439  Mimulus moschatus Milo S. Baker, H. K. Wagnon 1955-07 77 Siskiyou 4.5 mi south of Etna on Westside Rd. to Callahan, at French Cr. bridge. 854 Comment
  RSA237574  Mimulus moschatus var. moniliformis Frederick W. Oettinger 1967-8-20 289 Siskiyou Just below spring at Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountains Wilderness Area. 2049 Comment
  HSC90992  Mimulus nanus Jennifer Whipple 1976-7-14 1464 Siskiyou Trinity and Siskiyou Counties: Summit region of Mt. Eddy 2591 Comment
  UC1177935  Mimulus nanus var. jepsonii Francia Chisaki, Gene B. Newcomb 1958-6-21 1149 Siskiyou n McCloud (on road to Ice Cave); Squaw Valley Creek 1158 Comment
  HSC36466  Mimulus nanus var. nanus J. O. Sawyer 1969-6-2 1009 Siskiyou Summit above Albert Lake 2256 Comment
  UC796452  Mimulus nanus var. nanus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11717 Siskiyou Schoolhouse Hill East Fork of Scott River, Plowmans Valley (Noyes Valley) Comment
  UC1258471  Mimulus nasutus John Palmer 1980-8-13 789 Siskiyou near F.S. Rd. 47N44 (from Beaver Creek Road); Klamath National Forest, Condry Mtn. Quad., Dead Cow Creek 1615 Comment
  RSA145156  Mimulus primuloides Dorothy Parker 1959-6-28 728 Siskiyou Near summit of Scott Mt. 1631 Comment
  UC1409385  Mimulus primuloides Frederick W. Oettinger 1968-8-13 520 Siskiyou near Tom's Lake (Bear Meadow, High Lake Basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2179 Comment
  HSC72401  Mimulus primuloides var. linearifolius J. P. Smith, Steve Selva 1970-7-18 4480 Siskiyou Hanging bog at Kangaroo Lake. 1890 Comment
  RSA68951  Mimulus primuloides var. linearifolius A. E. Culbertson 1943-8-30 7 Siskiyou Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 airmiles of its headwaters to the west. Comment
  RSA237541  Mimulus primuloides var. pilosellus Frederick W. Oettinger 1969-7-29 1099 Siskiyou Uncle's Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness. 1982 Comment
  LA209441  Mimulus tilingii W. B. C.; 1939-8-8 13814 Siskiyou Mount Shasta, Springs above Horse Camp along the summit trail 2514 Comment
  HSC46180  Minuartia douglasii Jennifer Whipple 1977-4-30 1891 Siskiyou Scott Valley near Weston Gulch on open hillsides 854 Comment
  RSA11895  Minuartia nuttallii subsp. fragilis Elmer I. Applegate 1923-8-18 3864 Siskiyou Top of Redshale Mountain, east of Medicine Lake. 2439 Comment
  CAS-BOT-BC181112  Minuartia nuttallii var. gregaria R. C. Barneby 1954-5-17 11539 Siskiyou Scott Mts., 8 miles above Callahan 1569 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
  POM229186  Mirabilis greenei Louis C. Wheeler 1935-7-17 3667 Siskiyou Scott Valley, near Fort Jones, Mouth Indian Creek 854 Comment
  CDA36063  Mirabilis greenei CDFA Staff 1985-5-8 Siskiyou Copco Lake Road. 0 Comment
  UC1190268  Mitella diversifolia Ira L. Wiggins 1955-7-24 13481 Siskiyou China Creek; diversion dam 1097 Comment
  UC165271  Mitella diversifolia Geo. D. Butler 1908-7-20 224 Siskiyou near Yreka (head of gulch); Long Gulch Comment
  UC165274  Mitella diversifolia Geo. D. Butler 1910-5-23 1391 Siskiyou Humbug Mountain 1219 Comment
  RSA78671  Mitella diversifolia P. A. Munz 1952-7-1 17864 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 Comment
  CAS-BOT-BC433061  Mitella pentandra Wm. Bridge Cooke 1938-9-8 11656 Siskiyou Mount Shasta. Squaw Creek, Heather Meadows. On the banks of the Squaw Creek. Also at Panther Creek. Comment
  HSC29441  Mitella pentandra Frederick W. Oettinger 1968-8-10 459 Siskiyou High Lake Basins near English Peak, Marble Mountain Wilderness Area; along the old trail between Hancock Lake and Diamond Lake 1974 Comment
  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
  HSC450  Mitella trifida William J. Ferlatte 1967-6-29 570 Siskiyou Along Yellow Rose Mine Trail 1829 Comment
  RSA238327  Mitella trifida Frederick W. Oettinger 1969-9-4 1661 Siskiyou N side of Toms Lake Basin. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2104 Comment
  JEPS84202  Monardella L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6296 Siskiyou just s State line (Indian Creek Road from Takilma to Happy Camp) 1420 Comment
  HSC22250  Monardella glauca J. O. Sawyer 1969-8-4 1833 Siskiyou Above Sugar Lake 2134 Comment
  UCD125283  Monardella odoratissima J. M. Tucker 1963-8-19 3785 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area. 1920 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
  UCR47903  Monardella odoratissima subsp. glauca 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-BC220360  Monardella odoratissima subsp. pallida Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mts. 1828 Comment
  CHSC67842  Monardella odoratissima subsp. pallida James D. Jokerst 1992-7-30 3431 Siskiyou Camp above Tamarack Flat, NW of Mt. Eddy. Comment
  JEPS25673  Monardella odoratissima subsp. pallida Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-10 7318 Siskiyou jeep road between Poker Flat and Twin Valley (near (but not on) serpentine area at ridge-top marking Del Norte-Siskiyou County boundary); Siskiyou Mts. 1664 Comment
  RSA0022783  Monardella villosa subsp. subserrata E. B. Copeland 1903-7-6 3497 Siskiyou Hornbrook. Comment
  RSA238382  Monotropa hypopitys Frederick W. Oettinger 1968-8-7 430 Siskiyou Forest at base camp mid trail betw Diamond Lake & Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2012 Comment
  CHSC71317  Montia linearis Vernon H. Oswald; Lowell Ahart 1998-6-11 9204 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. Common in low scrub bordering the lake. 1402 Comment
  HSC49917  Montia linearis Maralyn O'Meara 1974-5-25 410 Siskiyou On Rd. 8, ~4.7 mi. W of junction with Hwy. 3 1159 Comment
  HSC29444  Montia parvifolia Frederick W. Oettinger 1968-8-5 399 Siskiyou Marble Mtn. Wilderness Area, between English Peak and Diamond Lake 2073 Comment
  UC375333  Montia parvifolia Geo. D. Butler 1910-6-4 1488 Siskiyou Shackleford Creek 1066 Comment
  HSC22458  Montia parvifolia J. O. Sawyer 1969-7-1 976 Siskiyou SE facing slope above Paynes Lake Creek 1921 Comment
  CAS-BOT-BC262673  Muhlenbergia asperifolia David D. Keck 1949-7-19 6344 Siskiyou 2 mi. S. of Grenada, along R.R. right-of-way 777 Comment
  CAS-BOT-BC267041  Muhlenbergia filiformis Alice Eastwood 1912-8-30 s.n. Siskiyou Mount Eddy Comment
  UC53720  Muhlenbergia filiformis unknown Aug 1894 Siskiyou Shasta Comment
  CAS-BOT-BC267048  Muhlenbergia filiformis A. A. Heller 1914-8-25 11704 Siskiyou Near Deetz station, near Black Butte 6 miles N of Sisson 1158 Comment
  SEINET10599809  Muhlenbergia filiformis H. E. Brown 1897-6-11 Brown 425 Siskiyou North side Mt. Shasta. 1524 Comment
  RSA268995  Muhlenbergia jonesii J. R. Reeder, C. G. Reeder 1972-7-24 5808 Siskiyou 7 miles E of McCloud to jct. and 2 miles N of Pilgrim Creek Nursery Road 1128 Comment
  UCD86973  Muhlenbergia richardsonis R. Tofsrud 1950-7-1 s.n. Siskiyou Hwy. 97, between Cougar and Macdoel. Comment
  HSC100793  Myosotis laxa Lowell Ahart, John Dittes 2010-7-30 16944 Siskiyou N side of water ditch, ~30 yd. S of the Shasta River, ~80 yd. W of the pipe across the river, ~200 yd. E of East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 (air) mi. SW of Big Springs Lake, 4.6 (air) mi. NW of Dwinnel Dam, 5.7 (air) mi. SE of Grenada. 717 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
  RSA68893  Nama lobbii A. E. Culbertson 1943-7-1 64 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000 backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600 eastern spur of Trinity Mts.; 2000 above Sacramento R. within 10 airmiles of its headwaters to the west. Comment
  RSA79002  Nama lobbii E. K. Balls, P. C. Everett 1952-10-13 18190 Siskiyou 10.2 miles northeast of town of Mt. Shasta, on John Everitt Memorial Highway to Mt. Shasta. 1829 Comment
  HSC30433  Narthecium californicum Frederick W. Oettinger 1968-9-8 791 Siskiyou Marble Mtn. Wilderness Area. NE of English Lake 1936 Comment
  RSA760958  Narthecium californicum Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63388 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1890 Comment
  SBBG30605  Navarretia capillaris D. Myrick 1968-6-25 2025 Siskiyou Mountain Meadow Ranch, Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  HSC61862  Navarretia capillaris Ruby Van Deventer 1961-7-13 Siskiyou Poker Flat 1585 Comment
  UC101970  Navarretia intertexta H. E. Brown Jun 11 1897-Jun 16 1897 301 Siskiyou n side Mt. Shasta 1524 Comment
  UCD48606  Navarretia intertexta subsp. propinqua Herbert L. Mason 1948-7-17 13600 Siskiyou Eastern Grass Lake, in forested hills, Siskiyou County. Comment
  CHSC4542  Navarretia leptalea J. E. Bowlin 1967-7-18 65 Siskiyou On roadside, ca. 6 mi w of Mount Shasta Ski Bowl. 1828 Comment
  UC1112256  Navarretia leucocephala subsp. leucocephala R. C. Bacigalupi with S. Galen Smith 1957-6-27 5979 Siskiyou 4.0 mi s Dorris; Butte Valley 1280 Comment
  UCD48626  Navarretia pubescens Robert E. Preston 1995-6-18 879 Siskiyou CA: Siskiyou Co.; ca. 3 mi ese of Hornbrook, in oak woodland adjacent to Ager Rd; (Copco 15' quad). 701 Comment
  UC164096  Navarretia tagetina Geo. D. Butler 1910-7-20 1730 Siskiyou Goosenest foothills Goosenest 1524 Comment
  CAS-BOT-BC219532  Nemophila parviflora J. H. Thomas 1954-5-13 4155 Siskiyou Salmon Mountains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. Along Rush Creek, Southwestern Siskiyou County 1127 Comment
  UC164112  Nemophila parviflora var. austiniae Geo. D. Butler 1910-4-24 1231 Siskiyou Quartz Valley Comment
  UCR131625  Nicotiana quadrivalvis L. C. Wheeler 1934-9-17 3273 Siskiyou Siskiyou Mtns., Dutch Creek off Klamath River 701 Comment
  RSA60666  Noccaea I. L. Wiggins 1950-5-28 12359 Siskiyou Margins of Carmen Lake, ca. 1.5 miles E of Scott Mtn road. 1738 Comment
  HSC593  Noccaea fendleri subsp. glauca William J. Ferlatte 1967-6-30 585 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  RSA120724  Noccaea fendleri subsp. glauca S. S. Tillett 1956-7-9 660 Siskiyou Little Carmen Lake, n. side of Scott Mtn. Siskiyou-Trinity cos. line, ca. 8 mi. se. of Callahan 1829 Comment
  CAS-BOT-BC60577  Noccaea fendleri subsp. glauca Mrs. H. C. Cantelow 1936-5-21 s.n. Siskiyou On north slope of Scott Mountain. 1524 Comment
  HSC91013  Noccaea fendleri subsp. glauca Jennifer Whipple 1977-7-21 2024 Siskiyou Slopes and dry meadows near Durney Lake 2073 Comment
  JEPS93853  Nothocalais troximoides Vernon H. Oswald and Lowell Ahart 1998-6-11 9199 Siskiyou Dry Lake on south side of Tennant Road, ca. 9 air mi east of Grass Lake, ca 22 air mi northeast of Weed. 1402 Comment
  CDA9698  Nothochelone nemorosa D. G. Kelch 2007-7-25 7 .495 Siskiyou Indian Creek Rd., just S of Greyback Summit. Comment
  UC164241  Olsynium douglasii var. douglasii Geo. D. Butler 1909-3-14 561 Siskiyou hills near Yreka Comment
  UC1276071  Onopordum tauricum T. C. Fuller 1959-12-10 3324 Siskiyou just s of Sam's Neck; Fred Voelker ranch, Meiss Lake Basin, Dorris Comment
  UCD134659  Onopordum tauricum W. T. Parsons; T. C. Fuller 1960-7-26 4878 Siskiyou Fred Voelker Ranch, west edge of Meiss Lake Basin, just south of Sam's Neck, ca. 15 miles southwest of Dorris. Comment
  HSC4912  Oreostemma alpigenum var. andersonii J. O. Sawyer 1968-7-23 564 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  HSC71106  Oreostemma alpigenum var. andersonii Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4503 Siskiyou Along W side of Hwy. 3 just N of Scott Mtn. Summit 1616 Comment
  JEPS10831  Orobanche fasciculata Willis L. Jepson July 24, 1994-Aug 10, 1894 Siskiyou Hillside near Sisson. Comment
  UC139217  Orobanche fasciculata R. M. Austin Aug 1878 251 Siskiyou Mount Eddy. Comment
  JEPS100531  Orobanche uniflora subsp. occidentalis Gilbert Muth 1966-7-18 417 Siskiyou Marble Gap trail, meadow above Marble Valley, Marble Mt. Wilderness Area. Comment
  HSC61865  Orogenia fusiformis Ruby Van Deventer Siskiyou Poker Flat 1585 Comment
  HSC146  Orthilia secunda William J. Ferlatte 1966-8-3 269 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's. 1524 Comment
  JEPS93913  Orthilia secunda Vernon H. Oswald and Lowell Ahart 1998-8-3 9431 Siskiyou w of Kangaroo Lake (near the Pacific Trail in the Scott Mountains); Scott Mountains 1981 Comment
  CAS-BOT-BC458082  Orthilia secunda David D. Keck 1938-8-6 4804 Siskiyou At Del Norte Co. line, Poker Flat, summit of Siskiytou Mts. on road from Waldo to Happy Camp Comment
  CAS-BOT-BC458083  Orthilia secunda D. Parker; Wayne Roderick 1967-7-27 s.n. Siskiyou High road S of Etna 1676 Comment
  RSA0083191  Orthilia secunda M. S. Baker 131 Siskiyou Hillside S.W. of Medicine Lake. Comment
  UC70300  Orthilia secunda Milo S. Baker 1898-8-1 131 Siskiyou on hillside SW of Medecine Lake Comment
  UCSB26648  Orthilia secunda Keefe, Joseph 1967-7-11 Siskiyou Cook and Green Pass, north of Seida Valley 1341 Comment
  HSC354  Orthocarpus cuspidatus subsp. copelandii William J. Ferlatte 1967-8-17 958 Siskiyou Yellow Rose Mine 1982 Comment
  RSA182028  Orthocarpus cuspidatus subsp. copelandii Louise Kellogg 1953-8-8 116 Siskiyou Scott Mountain Public Campground, Klamath National Forest. 1631 Comment
  UCD123235  Orthocarpus cuspidatus subsp. copelandii J. M. Tucker 1963-8-19 3784 Siskiyou Upper Canyon Creek, ca. 1/2 mile northeast of the Marble Valley Guard Station, Marble Mountain Wilderness Area. 1920 Comment
  UC164259  Orthocarpus cuspidatus subsp. cuspidatus Geo. D. Butler 1909-6-22 930 Siskiyou foothills Goosenest Mountain; foothills of Goosenest Mountain Comment
  UC412592  Osmorhiza berteroi Milo S. Baker 1898-8-1 505 Siskiyou on bluff sw Medicine Lake Comment
  UC642517  Osmorhiza berteroi W. Bridge Cooke 1939-6-23 13546 Siskiyou upper Wagon Camp meadow Mount Shasta Comment
  RSA184689  Osmorhiza berteroi Gilbert Muth 1966-7-14 396 Siskiyou Trail to Black Mountain, Marble Mountains. Comment
  UC1034599  Osmorhiza berteroi Douglas Barbe 1955-6-30 58 Siskiyou 0.7 mi nw Forest Glen; Klamath Mountains, Etna 944 Comment
Read comments
Jul 23 2013
  HSC58840  Osmorhiza occidentalis Butler 1971-7-7 42 Siskiyou Near El Capitan 1464 Comment
  HSC69011  Osmorhiza occidentalis Maralyn A. Renner 1980-7-24 2032 Siskiyou Lily Pad Lake 1768 Comment
  UC595105  Osmorhiza occidentalis David D. Keck 1938-8-6 4811 Siskiyou 4 mi s Oregon Line (on road from Waldo to Happy Camp, at Del Norte Co. line); Summit of Siskiyou Mts., Poker Flat 1555 Comment
  UC1408820  Oxyria digyna Frederick W. Oettinger 1969-8-25 1543 Siskiyou 400 yards from English Peak trail (ne facing slope above Tanner Peak trail, high lake basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2133 Comment
  UCD103451  Ozomelis trifida Jack Major; M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou East of Marble Mountain, Marble Mountains. 1828 Comment
  HSC90559  Packera cana Jennifer Whipple 1977-8-4 2153 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2439 Comment
  JEPS30369  Packera cana Peter H. Raven 1962-5-30 17901 Siskiyou 8.3 mi n Weed (U.S. Highway 97) Comment
  UC53872  Packera cana H. M. Hall and E. B. Babcock June 1903 4095 Siskiyou near Sheep Rock; n side Mount Shasta 853 Comment
  CAS-BOT-BC317128  Packera streptanthifolia var. streptanthifolia Alice Eastwood; John Thomas Howell 1934-4-20 1782 Siskiyou near Gazelle Comment
  RSA155856  Paeonia brownii Peter H. Raven 1962-5-30 17993 Siskiyou US Hwy 97, 8.3 miles north of Weed. Comment
  SEINET8465067 Image available Panicum pacificum Beecher Crampton 1964-8-26 7176 Siskiyou 0.6 miles east of Bartle on Hwy. 89 Comment
  CHSC75733  Papaver rhoeas Vernon Oswald; Lowell Ahart 1999-7-5 9793 Siskiyou Gazelle-Callahan Hwy. 0.5 mi west of Gazelle, agricultural area. 853 Comment
  CAS-BOT-BC422855  Papaver rhoeas W. R. Ernst 1960-6-14 741 Siskiyou About 1/4 mi. north of Gazelle on U. S. Highway 99. Comment
  RSA467322  Parnassia fimbriata M. B. Dunkle 1945-1 9360 Siskiyou Klamath National Forest; Marble Mountains, Black Marble ridge [?]. Comment
  JEPS117250  Pastinaca sativa Lowell Ahart, John Dittes 2010-7-30 16937 Siskiyou West of the pipe crossing the Shasta River, about 10 yards south of the Shasta River, about 300 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5. 716 Comment
  HSC48275  Paxistima myrsinites P. Stekel, K. Stillman May 1977 232 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  UC1408910  Paxistima myrsinites Frederick W. Oettinger 1968-9-3 687 Siskiyou pond above Horse Range Lake (due w. of Horse's Hole); Salmon Mts, High Lake Basins, English Peak vicinity, Marble 1981 Comment
  JEPS10413  Pedicularis bracteosa var. flavida Geo. D. Butler 1908-8-5 42 Siskiyou Summit above Cold Spring 1828 Comment
  HSC27341  Pedicularis howellii J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5704 Siskiyou E slope of Kangaroo Mtn., above Toehead Lake. 1890 Comment
  HSC61870  Pedicularis howellii Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  RSA425321  Pedicularis semibarbata Bonnie C. Templeton 1964-6-10 10070 Siskiyou Moutain slope of Mt. Shasta.Green Valley Lake, San Bernardino Mountains. Comment
  CAS-BOT-BC67677  Pellaea brachyptera Doris K. Kildale 1928-7-4 5495 Siskiyou Summit of divide between Salmon river and Scott Valley. Comment
  SBBG19459  Pellaea brachyptera L. L. Kiefer 1963-8-9 721 Siskiyou SW of town of Mt Shasta, county rd W of Castle Lake Rd, between the Wagon and Deer Crk bridges 1219 Comment
  UC572810  Pellaea brachyptera unknown 1937-7-23 9110 Siskiyou Mt Shasta Mt Shasta 1219 Comment
  UCD137694  Pellaea breweri John M. Tucker 1963-8-18 3760 Siskiyou Marble Mountain Wilderness Area, Black Marble Mountain. 2133 Comment
  JEPS83890  Penstemon anguineus Wayne Roderick July 1976 Siskiyou vicinity Cook and Green Pass; Siskiyou Mountains, vicin Cook and Green Pass Comment
  RSA12502  Penstemon anguineus Carl B. Wolf 1934-7-4 5934 Siskiyou Horse Creek Rd. to Dry Lake Lookout, Siskiyou Mts. 13 mi from Horse Creek Bridge on Klamath River. 1372 Comment
  SBBG30580  Penstemon anguineus D. Myrick 1968-6-24 2006 Siskiyou Adams Crk above Mountain Meadow Ranch, Big Flat, Coffee Crk; Trinity Alps 1828 Comment
  UC1483456  Penstemon anguineus John Palmer 1980-7-23 1922 Siskiyou on w side of Upper Devils Peak Klamath National Forest, Seiad Valley Quad., Upper Devils Pk (Pacific Crest Trail) 1767 Comment
  UC922561  Penstemon anguineus Annie M. Alexander and Louise Kellogg 1948-9-9 5597 A Siskiyou trail to Taylor Lake Siskiyou Mountains, trail to Taylor Lake Comment
  POM14668  Penstemon davidsonii subsp. davidsonii E. B. Copeland 1903-8-16 3871 Siskiyou Mount Shasta 3201 Comment
  CAS-BOT-BC265375  Penstemon davidsonii var. davidsonii Marion Ownbey; Fred G. Meyer 1940-7-4 2185 Siskiyou On ridge above head of Brewer Creek, E side of Mount Shasta Comment
  CAS-BOT-BC265380  Penstemon davidsonii var. davidsonii Alice Eastwood 1921-7-28 10889 Siskiyou Little Mount Hoffman Comment
  CHSC118649  Penstemon deustus Richard R. Halse 2016-5-29 9720 Siskiyou Along Hilt Road by its junction with Interstate Hwy. 5, east of Hilt. 939 Comment
  POM42980  Penstemon deustus subsp. deustus Geo. D. Butler 1910-5-25 1404 Siskiyou Near Yreka. Comment
  JEPS2927  Penstemon deustus var. deustus W. L. Jepson 1907-7-10 2874 Siskiyou near (12 mi s) Preston Peak (Cedar Camp on Kelsey Trail, w Siskiyou Mts.); w Siskiyou Mts, (Klamath Range*) nr Preston Peak Comment
  UC618804  Penstemon deustus var. suffrutescens David D. Keck 1938-6-17 11043 Siskiyou Sisson Southern Trail Mount Shasta, Sisson Southern Trail (on the lava outcropping along the trail) Comment
  UC886951  Penstemon deustus var. suffrutescens Lewis S. Rose 1940-6-14 40586 Siskiyou Indian Well Lava Beds National Monument, Indian Well 1524 Comment
  NY600745  Penstemon gracilentus D. D. Keck 1927-8-16 305 Siskiyou 4 miles east of Mt. Shasta City (Sisson) on west flank of Mt. Shasta. 1611.2 Comment
  NY600746  Penstemon gracilentus D. D. Keck 1927-8-17 306 Siskiyou Horse Camp, south side of Mt. Shasta. Timberline. 2468.9 Comment
  SFV17484  Penstemon gracilentus P. Wilson 1998-7-21 3542 dup. Siskiyou Mount Shasta. Sand Flat. 2073 Comment
  UCSB11850  Penstemon humilis Haller, John 1961-6-23 Siskiyou near U.S. Highway 97; 3.8 mi S of Hebron Summit; about 27 mi NE of Weed 1493 Comment
  HSC91119  Penstemon laetus subsp. sagittatus Jennifer Whipple 1976-6-30 1187 Siskiyou SE slope of Mt. Eddy, draining into the N Fork of the Sacramento River 2226 Comment
  CHSC88779  Penstemon laetus var. sagittatus Jenny Marr 1993-7-1 196 Siskiyou Steamboat Mtn. Shasta Valley Wildlife Area, +/- 20 air miles S of Oregon border and 8 miles E of Yreka. Meadow. 701 Comment
  NY604550  Penstemon laetus var. sagittatus J. W. Thompson 1936-7-8 13152 Siskiyou Lava Beds National Monument Comment
  SFV17492  Penstemon laetus var. sagittatus P. Wilson 1998-7-25 3550 dup. Siskiyou Trailhead at end of Elk Creek Road. 700 Comment
  UC54634  Penstemon laetus var. sagittatus H. M. Hall and E. B. Babcock June, 1903 4030 Siskiyou Sacramento River near Dunsmuir; Upper Sacramento Valley, Sacramento River 609 Comment
  CHSC118644  Penstemon laetus var. sagittatus Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -032 Siskiyou Lower Parks Creek watershed, E Klamath Range, along Forest Service Road 42N19, 4 miles northwest of Stewart Springs; UTM NAD 83 Zone 10, 539279m E, 4587169m N. 4944 Comment
  NY604563  Penstemon laetus var. sagittatus A. A. Heller 1938-7-12 15256 -a Siskiyou Along U.S. Highway 97, near the western base of Deer Mountain Comment
  POM44867  Penstemon laetus var. sagittatus Geo. D. Butler 1910-5-11 1338 Siskiyou Shasta Valley Comment
  HSC82260  Penstemon neotericus Thomas W. Nelson, Jane P. Nelson 1980-7-5 5977 Siskiyou Fowler's Campground 1006 Comment
  UC775002  Penstemon neotericus Carl B. Wolf 1941-7-26 11078 Siskiyou on U.S. Highway #97 at junction with rd to Montague 12 mi ne Weed; sw end Little Shasta Valley, ne of Weed 914 Comment
  UC27483  Penstemon newberryi var. berryi Harley P. Chandler Jun 1901 1599 Siskiyou near Marble Mountain North Coast Ranges 2133 Comment
  LA28971  Penstemon newberryi var. newberryi E. B. Copeland; 1903-7-17 3510 Siskiyou Mt Shasta 1828 Comment
  UCSB27383  Penstemon newberryi var. newberryi Wilken, Dieter 1969-7-26 Siskiyou Above summit of Mt. Shasta Ski Bowl Road; south slope of Mt. Shasta 3200 Comment
  UC164348  Penstemon parvulus Geo. D. Butler 1910-7-8 1669 Siskiyou Shackleford Creek 1371 Comment
  UC164357  Penstemon parvulus Geo. D. Butler 1909-7-15 937 Siskiyou Highland Mine Comment
  RSA238763  Penstemon parvulus Frederick W. Oettinger 1967-8-13 263 Siskiyou 1/8 miles east of Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2037 Comment
  UCD124119  Penstemon procerus Jack Major; M. Fleschner, R. Pemble 1966-9-4 s.n. Siskiyou East of Marble Mountain, Marble Mountains. 1859 Comment
  RSA12579  Penstemon shastensis Carl B. Wolf 1934-7-6 6007 Siskiyou 5.4 miles from Mt. Shasta City on Wagon Camp Rd, SW slope of Mt. Shasta 1220 Comment
  CAS-BOT-BC6569  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
  SBBG19750  Penstemon speciosus H. and M. Dearing 1939-6-4 3542 Siskiyou near Weed Comment
  UCD77908  Penstemon speciosus Robert E. Preston 2002-7-12 1909 Siskiyou Klamath National Forest, S slope of Rainbow Mountain 1789 Comment
  RSA114968  Penstemon speciosus E. K. Balls, Lee W. Lenz 1956-6-18 21798 Siskiyou 7.5 mi SE of Weed, US Hwy 99. 1220 Comment
  SEINET5329863 Image available Penstemon speciosus G. Butler 1910-5-18 1360 Siskiyou near Yreka Comment
  RSA237649  Perideridia parishii subsp. latifolia Frederick W. Oettinger 1968-8-12 493 Siskiyou Just north of Tobacco Lake along the trail from the west end of Hancock Lake. The Salmon Mountains; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1890 Comment
  CAS-BOT-BC423349  Peritoma platycarpa Geo. D. Butler 1909-6-6 899 Siskiyou Shasta Valley near Montague Comment
  CAS-BOT-BC419264  Persicaria maculosa Elmer I. Applegate 1923-9-6 3977 Siskiyou Klamath River, mouth of Doggett Creek Comment
  UC1051790  Phacelia L. R. Heckard 1952-6-18 307 Siskiyou about 0.5 mi w Panther Creek Guard Station (16 mi e of Montague on rd to Mt. Hebron) Comment
  HSC41799  Phacelia bolanderi Brent Whitely 1975-7-1 126 Siskiyou Klamath National Forest at Ti Creek 671 Comment
  JEPS117879  Phacelia cookei unknown 1976-7-27 Siskiyou Along Military Pass Road on edge of Goosenest Pine Plantation. Comment
  HSC69519  Phacelia corymbosa Maralyn A. Renner 1980-6-26 1289 Siskiyou Klamath National Forest, ridge along FS Rd. 15N01, 1 mi. N of Flint Valley. 1494 Comment
  JEPS57181  Phacelia corymbosa L. R. Heckard 1967-8-13 1694 Siskiyou s-facing slope near summit Mt. Eddy 2712 Comment
  HSC75158  Phacelia greenei Unknown Siskiyou 1433 Comment
  RSA170220  Phacelia heterophylla subsp. virgata W. L. Jepson 1940-6-23 19983 Siskiyou Two miles east of Montague. 823 Comment
  UC1034592  Phacelia heterophylla subsp. virgata Douglas Barbe 1955-7-1 70 Siskiyou 0.6 mi e Etna (s side of rd); Klamath Mountains 853 Comment
  UC147529  Phacelia heterophylla subsp. virgata Edw. L. Greene June 1876 Siskiyou Comment
  JEPS105461  Phacelia linearis Dean W. Taylor 1995-6-4 14969 Siskiyou 3 miles west of Highway 89 on Grenada Road; Shasta Valley; Klamath National Forest; (ca. 10 miles North of Weed) 1158 Comment
  JEPS55975  Phacelia mutabilis John Thomas Howell 1939-8-9 15233 Siskiyou ridge s Marble Valley; Marble Mts. Comment
  UC1483455  Phacelia mutabilis Maralyn A. Renner 1980-7-23 1924 Siskiyou Pacific Crest Trail on w side Upper Devils Peak; Klamath National Forest, Seiad Valley Quad. 1767 Comment
  RSA238770  Phacelia mutabilis Frederick W. Oettinger 1968-8-16 546 Siskiyou On Little Medicine Mountain due N of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1982 Comment
  UC1282009  Phacelia pringlei Louise Kellogg Aug 5 1953-Aug 7 1953 105 Siskiyou 1 mi n Cory Peak (11 mi e of Callahan on road to Gazelle, then s 5.8 mi on logging road); Scott Mountains, Klamath National Forest, Cabin Meadow 1844 Comment
  RSA74782  Phacelia pringlei J. T. Howell 1937-7-29 13612 Siskiyou Scott Mountain between Trinity and Siskiyou counties. Comment
  HSC75498  Phacelia procera K. T. Stillman 1976-8-7 216 Siskiyou Marble Mtn. Wilderness Area, Elk Valley 1829 Comment
  CAS-BOT-BC159068  Phacelia ramosissima var. eremophila Wm. Bridge Cooke 1940-6-20 15135 Siskiyou Near a spring along the Pacific Highway in Gorge at confluence of Shasta and Klamath Rivers 609 Comment
  LA206402  Phalaris angusta J. R. Swallen; 1939-8-8 sn Siskiyou Mount Shasta, Horse Camp Comment
  HSC29459  Philadelphus californicus Frederick W. Oettinger 1968-9-8 793 Siskiyou Marble Mtn. Wilderness Area, E side of Abbott's Lake 1738 Comment
  HSC79335  Philadelphus californicus D. H. Norris 1970-5-23 12239 Siskiyou Along Klamath River at Ishi Pishi Bridge near Somes Bar Comment
  CAS-BOT-BC77432  Philadelphus lewisii A. M. Vollmer; L. Beane 1951-6-2 38 Siskiyou Klamath River Highway, betw. U.S. 99 & Gottville Comment
  UC114914  Philadelphus lewisii Brandegee July 1887 Siskiyou Ager Comment
  RSA0058050  Philadelphus lewisii Gilbert Muth 1965-8-3 149 Siskiyou Down creek from Marble Valley, Marble Mts. Comment
  RSA0097437  Philadelphus lewisii Bonnie C. Templeton 1930-6-15 s.n. Siskiyou Shasta River Canyon, near Yreka. Comment
  RSA0097441  Philadelphus lewisii John H. Thomas 1949-6-16 s.n. Siskiyou 1/4 mi north of Beaver Creek Public Camp, along Beaver Creek; 5 mi north of junction of Beaver Creek and Klamath River; Klamath National Forest. Comment
  NY186333  Philadelphus platyphyllus H. E. Brown 1897-7-1 562 Siskiyou South side of Mount Shasta 1524.0 Comment
  JEPS94385  Phleum alpinum Vernon Oswald and Lowell Ahart 1997-7-28 8788 Siskiyou on road 43N54 at a meadow 0.6 mi se of Paynes Springs (se of Medicine Lake) 1920 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
  UC602583  Phlox diffusa unknown 1938-7-15 11284 Siskiyou Mt. Shasta 1981 Comment
  JEPS124891 Image available Phlox diffusa Michael D. Fleschner 1965-7-13 1965 -137 Siskiyou Above Mt. Shasta Ski Board. Comment
  POM75617  Phlox diffusa subsp. diffusa Geo D. Butler 1910-7-8 1688 Siskiyou Shakleford Creek 1372 Comment
  JEPS93165  Phlox hirsuta Grant and Virginia Fletcher 1995-5-27 VGF 14 Siskiyou e. Yreka (China Hill, North-East Hill's Addition, w.-facing slope from Chinese Cemetery (Montague Rd.) on s. to crest & down to base of hill); Montague Quad. 1984, China Hill 900 Comment
Read comments
Apr 3 2009
  HSC17169  Phlox rigida D. M. Thomson 1965-6-19 104 Siskiyou Lava Beds National Monument; 1.5 mi. N of Merril Ice Cave, on fire road Comment
  UC163855  Phlox speciosa subsp. occidentalis Geo. D. Butler 1910-4-15 1175 Siskiyou Yreka Comment
  CDA40275  Phlox speciosa subsp. occidentalis T. C. Fuller 1958-4-16 4811 Siskiyou Giebner property, 4 miles south of Yreka. 0 Comment
  CAS-BOT-BC135021  Phoradendron bolleanum Louis C. Wheeler 1934-6-26 2789 Siskiyou Camp Lowe, Klamath River, Siskiyou Mts. 762 Comment
  HSC4826  Phyllodoce empetriformis J. O. Sawyer 1968-7-22 536 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  UC1034568  Phyllodoce empetriformis Douglas Barbe 1955-7-25 286 Siskiyou n slope of Scott Mountain Scott Mountain 1981 Comment
  CDA5888  Physalis longifolia B. Pitman 1965-7-22 Siskiyou Clement ranch, Montague. 0 Comment
  UCR182951  Physalis longifolia T. C. Fuller 1966-10-6 15246 Siskiyou Clement Ranch, 5 miles north of Montague Comment
  HSC189  Physaria occidentalis William J. Ferlatte 1967-6-29 575 Siskiyou Dorleska Summit 2134 Comment
  CAS-BOT-BC140604  Physocarpus capitatus John Thomas Howell 1937-7-22 13287 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC540711  Physocarpus capitatus Dana York 2012-7-22 3146 Siskiyou Siskiyou Mountains: Klamath National Forest, along the jeep road heading to Lily Pad Lack ca. 600 m SW ofCook & Green Pass 1740 Comment
  RSA451848  Physocarpus capitatus M. B. Dunkle 1944-7-16 9113 Siskiyou Beaver Creek Camp. Comment
  UC144392  Physocarpus capitatus A. A. Heller 1905-6-17 8057 Siskiyou near Sisson Comment
  CAS-BOT-BC73475  Picea breweriana Arthur Menzies 1961-7-1 s.n. Siskiyou Klamath National Forest - Copper Butte near Cook & Green Pass, north of Seiad Valley. Comment
  JEPS105151  Picea breweriana Dean W. Taylor 1993-7-30 13984 Siskiyou Bolan Lake Road (Forest Road 4812) about 2 miles east of Indian Creek Road (Forest Road 40S07); Klamath National Forest 1584 Comment
  JEPS83901  Picea breweriana Stephen K. Langer with Charles S. Rand 1988-6-23 Siskiyou ridge e Hello Lake (nw of Red Butte) Comment
  POM230327  Picea breweriana J. T. Howell 1937-7-24 13413 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  UC1349380  Picea breweriana H. A. Thomas 1943-7-7 8693 Siskiyou 1645 Comment
  UC971915  Picea breweriana Herbert L. Mason 1950-7-16 14061 Siskiyou Road from Happy Camp <California> to Waldo, Oregon Comment
  SEINET10530614  Picea breweriana D. V. Hemphill 1968-10-27 Hemphill UMO 107773 Siskiyou Chimney Rock Lake, Klamath National Forest. Forks of Salmon Quadrangle. 1890 Comment
  CAS-BOT-BC73434  Picea engelmannii L. E. Berriman 1940-8-30 s.n. Siskiyou North Coast Ranges - Sugar Creek, a tributary of the Scott River. Mount Diablo Meridian. 1432 Comment
  CAS-BOT-BC73394  Pinus albicaulis W. R. Dudley 1899-8-26 s.n. Siskiyou Near Mt. Eddy. Comment
  SD126128  Pinus albicaulis Walter M. Plumb 1972-7-16 Siskiyou northeastern slope of Mount Eddy 2440 Comment
  CAS-BOT-BC78321  Pinus attenuata Doris K. Kildale 1929-4-29 7480 Siskiyou Cecilville Comment
  CAS-BOT-BC78411  Pinus balfouriana J. M. Tucker; L. K. Mann; S. L. Holloway 1963-8-18 3769 Siskiyou southwestern ridge of Black Marble Mountain, Marble Mountain Wilderness Area 2133 Comment
  UC1362102  Pinus balfouriana J. M. Tucker and L. K. Mann 1963-8-18 3770 Siskiyou top of saddle between Marble Mountain and southwest ridge of Black Mountain; Marble Mountain Wilderness 2103 Comment
  HSC103160  Pinus contorta subsp. murrayana Michael Kauffmann 2013-8-7 20 Siskiyou South China Mountain 2395 Comment
  UC401403  Pinus contorta subsp. murrayana Geo. D. Butler 1908-8-3 519 Siskiyou Log Lake Shackleford Creek, Log Lake Comment
  HSC92116  Pinus contorta var. murrayana Jennifer Whipple 1978-10-6 2416 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  UC333601  Pinus jeffreyi unknown 1889-6-29 Siskiyou 8 mi w Sisson; N. Calif. Comment
  CAS-BOT-BC78781  Pinus lambertiana Carl B. Wolf 1927-8-26 1106 Siskiyou On the Klamath River, 8 mi. above Happy Camp Comment
  CAS-BOT-BC78962  Pinus monticola W. R. Dudley 1901-8-18 s.n. Siskiyou Jackson Lake Comment
  HSC67696  Pinus monticola John Palmer 1980-7-24 579 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  SD136380  Pinus monticola Helen V. Witham 1969-10-6 555 Siskiyou west slope above Kangaroo Lake, Scott Mountains 2100 Comment
  JEPS25766  Piperia elongata Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7471 Siskiyou about 5 mi s Clear Creek (or 4 mi n of Swillup Creek, along road-bank on State Hwy 96, along Klamath River); Klamath River 292 Comment
  JEPS80605  Pityopus californicus Gilbert Muth 1966-7-29 465 Siskiyou by waterfall; Marble Mt. Wilderness Area, Marble Valley 1828 Comment
  CHSC93545  Plagiobothrys bracteatus Lowell Ahart; John Dittes 2005-6-9 12035 Siskiyou Meadow area along a small drainage, about 50 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  RSA715802  Plagiobothrys bracteatus L. Ahart, John Dittes 2005-6-9 12035 Siskiyou About 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 775 Comment
  CDA40677  Plagiobothrys greenei E. Hale 1984-5-8 s.n. Siskiyou Along Deer Meadow Road, near Yreka. 0 Comment
  SD61055  Plagiobothrys hispidus D. F. Howe 1964-8-5 3941 Siskiyou 3.7 mi. so. Of no. entrance to Klamouth Nat. Forest on #97. 1584 Comment
  JEPS7128  Plantago lanceolata W. L. Jepson 1940-6-22 19970 Siskiyou near Hornbrook; Cottonwood Creek 670 Comment
  HSC69053  Platanthera dilatata var. leucostachys Maralyn A. Renner 1980-8-6 2310 Siskiyou Cracker Meadow 1555 Comment
  HSC69212  Platanthera dilatata var. leucostachys Maralyn A. Renner 1980-7-24 2083 Siskiyou Lily Pad Lake 1768 Comment
  RSA0028277  Platanthera hyperborea Barbara Ertter 1990-7-14 9343 Siskiyou Wagon Creek on east side of Mt. Eddy, ca. 4 air miles west of Mt. Shasta City 1829 Comment
  UC1409487  Platanthera leucostachys Frederick W. Oettinger 1968-8-7 442 Siskiyou High Lake Basins in vicinity English Peak (Salmon Mountains); , Marble Mountain Wilderness Area 1889 Comment
  UC14944  Platanthera leucostachys Harley P. Chandler 1901-6-1 1726 Siskiyou near Marble Mountain (North Coast Ranges); North Coast Ranges 1828 Comment
  POM208201  Platanthera leucostachys Louis C. Wheeler 1934-6-18 2725 Siskiyou Cottonwood Creek, Siskiyou Mts. Mt. Diablo Mer. 1311 Comment
  HSC35343  Platanthera sparsiflora J. P. Smith, J. O. Sawyer 1973-8-14 7313 Siskiyou Around Cliff Lake 1860 Comment
  UC725684  Platanthera sparsiflora A. A. Heller 1915-7-15 12088 Siskiyou Mt. Eddy 1828 Comment
  HSC60787  Platanthera sparsiflora Ruby Van Deventer Siskiyou Bell Echo Camp in Youngs Valley Comment
  HSC77276  Platanthera sparsiflora L. P. Janeway 1983-8-13 530 Siskiyou S side and above S Fork Indian Creek. 1433 Comment
  SEINET8531600  Plectritis macrocera G. D. Butler 1910-3-24 1139 Siskiyou Shasta River Hills Comment
  CAS-BOT-BC261069  Poa Doris K. Kildale 1929-7-20 8589 Siskiyou Southeast spur of Preston Peak 1950 Comment
  CAS-BOT-BC254779  Poa bolanderi John Thomas Howell 1939-8-9 15218 Siskiyou Sky High Valley, Marble Mountains 1828 Comment
  UC1025004  Poa bolanderi Leo Whitney 1935-7-15 3467 Siskiyou 2 mi se Medicine Lake (near Bullseye Lake) Comment
  UC1265390  Poa bolanderi Frederick W. Oettinger 1969-8-16 1395 Siskiyou sw of Wire Grass Meadow above English Lake; Salmon Mts, High Lake Basins, Marble Mt Wilderness Area 1676 Comment
  UC1265434  Poa bolanderi Frederick W. Oettinger 1969-8-14 1376 Siskiyou English Lake English Peak; Salmon Mts, High Lake Basins, Marble Mt Wilderness Area 1935 Comment
  CAS-BOT-BC254999  Poa bulbosa Morris Halperin 1930-1-1 s.n. Siskiyou Yreka Comment
  UCD90830  Poa bulbosa Roger Zwanziger 1950-4-22 s.n. Siskiyou Albee Ranch. Comment
  CDA2362  Poa pratensis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2634 Siskiyou Between highway and East Fork Scott River, 150 meters east of Highway 3 bridge, 3.2 km east of Callahan. Comment
  SEINET10523337  Poa pratensis Melvin L. Conrad, David B. Dunn; Patricia L. Kenney 1973-6-2 Conrad 6987 Siskiyou Yellow Pine, Libocedrus, Douglas Fir, Western Hemlock forest, 17.4 mi NE of Cecilville Store, on road to Callahan. 2073 Comment
  CAS-BOT-BC247524  Poa pringlei John Thomas Howell 1937-7-29 13670 Siskiyou North side of Scott Mt. Comment
  POM228868  Poa secunda L. C. Wheeler 1935-6-30 3635 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  RSA211228  Poa secunda William J. Ferlatte 1967-8-23 1095 Siskiyou Head of Kidd Creek. 2134 Comment
  RSA238361  Poa secunda Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1231 Siskiyou South of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  RSA239033  Poa secunda Frederick W. Oettinger 1969-9-2 1593 Siskiyou north side of English Peak. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  UC1025008  Poa secunda subsp. juncifolia Leo Whitney 1935-7-15 3473 Siskiyou 2 mi se Medicine Lake (near Bullseye Lake) Comment
  CAS-BOT-BC243242  Poa secunda subsp. secunda Louis C. Wheeler 1934-8-9 3076 Siskiyou Jaynes Canyon, Klamath Forest 1920 Comment
  HSC31099  Poa secunda subsp. secunda Frederick W. Oettinger 1969-8-3 1148 Siskiyou Salmon Mountains, ridge above Horse's Hole Pond near Horse Range Lake. 1982 Comment
  HSC31101  Poa secunda subsp. secunda Frederick W. Oettinger, R. F. Thorne 1969-8-6 1223 Siskiyou Marble Mtn. Wilderness Area, S side of Pine Lake. 1951 Comment
  JEPS117863  Poa secunda subsp. secunda J. K. Nelson with Rhonda Posey, Mary Ellen Colberg, Twyla Miller 2006-5-19 2006 -19 Siskiyou North side of Mt. Shasta south of Hwy. 97 Hotlum Fire area burned in February 2006 1090 Comment
  UCD90718  Poa secunda subsp. secunda Geo. D. Butler 1910-4-30 1249 Siskiyou Yreka. Comment
  RSA184627  Polemonium californicum Clare B. Hardham 1965-8-20 13035 Siskiyou Marble Mountains. Cudahy Lakes. 1524 Comment
  CAS-BOT-BC232901  Polemonium carneum Louise A. Boyd; Katherine Donahoe 1923-5-1 s.n. Siskiyou Near Oregon boundary Comment
  UC939437  Polemonium carneum E. L. Greene 1876-6-5 796 Siskiyou near Yreka; near Yreka Comment
  UC164115  Polemonium micranthum Geo. D. Butler 1910-3-23 1137 Siskiyou near Yreka; near Yreka Comment
  UCR64593  Polemonium micranthum L. C. Wheeler 1935-3-16 3374 Siskiyou Klamathon, Klamath River 701 Comment
  POM204110  Polygala cornuta var. cornuta J. T. Howell 1934-7-4 12406 Siskiyou SE corner of Siskiyou County Comment
  UC630386  Polygala cornuta var. cornuta Annetta Carter 1939-8-20 1456 Siskiyou 5.5 mi n Dunsmuir 1005 Comment
  UC1101135  Polygonum amphibium var. stipulaceum Herbert L. Mason 1948-7-18 13613 Siskiyou Grass Lake 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
  UC164406  Polygonum aviculare subsp. buxiforme Geo. D. Butler 1908-6-24 181 Siskiyou near Yreka Comment
  CAS-BOT-BC414279  Polygonum aviculare subsp. depressum A. A. Heller 1915-8-24 12207 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  HSC17464  Polygonum aviculare var. angustissimum Geo. D. Butler 1908-8-28 190 Siskiyou Mining dump of L. Eastlick near Oro Fino Comment
  RSA12489  Polygonum bistortoides Carl B. Wolf 1934-7-4 5948 Siskiyou 6.8 miles from Dry Lake lookout on road to Horse Creek, Siskiyou Mountains. 1829 Comment
  CDA2789  Polygonum cuspidatum T. C. Fuller 1963-8-26 11152 Siskiyou Dunsmuir Grade, Highway 99 to Mt. Shasta Cuty, 0.5 mile north of the limits of Dunsmuir. 0 Comment
  CDA2791  Polygonum cuspidatum T. C. Fuller 1968-8-1 17452 Siskiyou Northeast corner of Siskiyou Avenue & Interstate 5 freeway, and in yards along Siskiyou Avenue, north limits of Dunsmuir. 0 Comment
  UC850082  Polygonum davisiae John Thomas Howell 1939-8-2 14897 Siskiyou Spirit Lake Marble Mts. Comment
  HSC92999  Polygonum douglasii Jennifer Whipple 1977-8-6 2197 Siskiyou Klamath Mtns., SW of Dobkins Lake along drainage into the lake. 2073 Comment
  RSA759844  Polygonum douglasii subsp. austiniae Robert F. Thorne 1969-8-2 63401 Siskiyou Klamath National Forest, Salmon Mountains: Marble Mtn Wilderness, along trail to English Peak. 1159 Comment
  UC1540148  Polygonum douglasii subsp. douglasii Dean Wm. Taylor and Glenn L. Clifton 1987-8-5 9226 Siskiyou Forest Rd 36N06 at crossing of Tate Creek; McCloud River drainage 1484 Comment
  CHSC71596  Polygonum douglasii subsp. johnstonii Vernon H. Oswald; Lowell Ahart 1998-8-3 9456 Siskiyou East end of Rock Fence Lake Rd. (USFS 41N18) in the Scott Mtns. east of Kangaroo Lake. Near Rock Fence Creek. 1920 Comment
  RSA237800  Polygonum minimum Frederick W. Oettinger 1968-8-11 472 Siskiyou Open site NE side of creek bed, Tom Taylor Cabin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  SEINET4335357  Polygonum minimum G. D. Butler 1910-7-13 1776 Siskiyou Shackerford Creek 1219 Comment
  HSC30503  Polygonum polygaloides subsp. kelloggii Frederick W. Oettinger, R. F. Thorne 1967-8-7 1264 Siskiyou Marble Mtn. Wilderness Area, English Lake 1829 Comment
  UC850369  Polygonum sawatchense subsp. sawatchense A. A. Heller 1916-6-20 12403 Siskiyou Metcalf's Ranch Mt. Eddy (ne base of mt.) 1188 Comment
  UCD100656  Polygonum sawatchense subsp. sawatchense Herbert L. Mason 1948-7-18 13623 Siskiyou Grass Lake. Comment
  CAS-BOT-BC109284  Polygonum shastense Alice Eastwood 1912-9-1 2077 Siskiyou Mount Shasta. Comment
  CHSC1351  Polygonum shastense K. Jaekel 1939-7-8 Siskiyou Panther Meadows, Mt. Shasta. Comment
  JEPS50594  Polygonum shastense W. L. Jepson 1894-8-4 14784 Siskiyou Horse Camp Mt. Shasta, Snow Line Comment
  CAS-BOT-BC421074  Polygonum spergulariiforme Louis C. Wheeler 1934-9-26 3303 Siskiyou Lumgrey Creek, Siskiyou Mts. 1005 Comment
  RSA144972  Polygonum spergulariiforme E. B. Copeland 1903-7-6 3499 Siskiyou Hornbrook. Comment
  UCD100666  Polygonum spergulariiforme Ferdinand Brown 1936-7-13 s.n. Siskiyou Dunsmuis. Comment
  HSC73322  Polypodium californicum Gail Newton 1980-6-20 483 Siskiyou Near Bald Mtn. 1097 Comment
  HSC19289  Polystichum imbricans J. O. Sawyer 1969-7-10 1295 Siskiyou Ridges E of Russian Peak 2256 Comment
  POM120354  Polystichum imbricans Geo D. Butler 1910-7-9 1693 Siskiyou Shackleford Creek 1220 Comment
  POM215873  Polystichum imbricans L. C. Wheeler 1935-4-16 3421 Siskiyou Soap Creek, Siskiyou Mountains. (Mt Diablo Mer.) 1585 Comment
  CAS-BOT-BC76727  Polystichum imbricans subsp. imbricans Doris K. Kildale 1929-7-20 8726 Siskiyou Raspberry Lake, upper Indian Creek 1828 Comment
  CAS-BOT-BC76730  Polystichum imbricans subsp. imbricans J. H. Thomas; H. A. Thomas 1954-7-27 4557 Siskiyou Salmon - Trinity Mts. - about 6 miles SE of Cecilville, along south Fork of Salmon River. 914 Comment
  HSC79180  Polystichum kruckebergii C. J. Thomas 1983-10-1 109 Siskiyou N side of Black Mtn. in Marble Mtn. Wilderness 1976 Comment
  CAS-BOT-BC72378  Polystichum lemmonii Ira L. Wiggins 1950-5-28 12378 Siskiyou just above Grouse Lake (headwaters of Grouse Creek) 1828 Comment
  HSC92661  Polystichum lemmonii Jennifer Whipple 1976-9-3 1783 Siskiyou W facing slope of the ridge between Durney Lake and Little Crater Lake 2195 Comment
  UC205092  Polystichum lemmonii A. A. Heller 1914-8-28 11739 Siskiyou e side Mt. Eddy 2286 Comment
  UC812042  Polystichum lemmonii A. A. Heller 1914-8-28 11739 Siskiyou e side Mt. Eddy 2286 Comment
  CAS-BOT-BC72395  Polystichum lemmonii W. R. Dudley 1899-8-26 s.n. Siskiyou In the Foxtail Pine Woods, Sacramento River Comment
  HSC79128  Polystichum lemmonii C. J. Thomas 1983-10-1 74 Siskiyou Scott Mtn. Summit, 0.5 to 0.75 mi. above Big Carmen Lake 1756 Comment
  POM120881  Polystichum lemmonii J. G. Lemmon s.n. Siskiyou Scott Mt. under Pinus Balfouriana Comment
  HSC27970  Polystichum munitum Carl W. Mize 1972-8-19 108 Siskiyou Close to Steinacher Cr. 427 Comment
  HSC92664  Polystichum scopulinum Jennifer Whipple 1978-7-20 2364 Siskiyou E and S facing slopes draining into the N Fork of the Sacramento River 2439 Comment
  CAS-BOT-BC108545  Populus balsamifera Frank Callahan 2007-5-1 s.n. Siskiyou Moffett Creek 883 Comment
  CAS-BOT-BC102766  Populus tremuloides L. B. Kildale 1930-6-1 9732 Siskiyou Salmon River between Oak Bottom and Somes Bar Comment
  CAS-BOT-BC102772  Populus tremuloides E. G. Dudley 1907-8-16 s.n. Siskiyou Peak N. of Jackson Lake 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
  CAS-BOT-BC102956  Populus trichocarpa L. E. Smith 1918-4-27 s.n. Siskiyou Hornbrook Comment
  UC845952  Populus trichocarpa W. Bridge Cooke 1942-7-2 16363 Siskiyou bed of Mud Creek Canyon above the Dam Mount Shasta; , bed of Mud Creek Canyon Comment
  HSC68470  Potentilla breweri Maralyn A. Renner 1980-6-26 1140 Siskiyou Flint Valley. 1390 Comment
  HSC90541  Potentilla breweri Jennifer Whipple 1976-7-8 1376 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC164067  Potentilla breweri Geo. D. Butler 1910-6-5 1520 Siskiyou Log Lake Comment
  SEINET11916231  Potentilla breweri Unknown 1936-1 13448 Siskiyou In rocky mtn slopes near Hornbrook Comment
  RSA237236  Potentilla flabellifolia Frederick W. Oettinger 1967-7-8 159 Siskiyou Wet stream bank, just below Big Blue Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  SD125938  Potentilla glandulosa Steve Morgan 1987-7-28 Siskiyou McGinnis Springs, 5 mi. NW of McCloud, Shasta-Trinity National Forest, S of Mt. Shasta 1768 Comment
  RSA12583  Potentilla glandulosa subsp. ashlandica Carl B. Wolf 1934-7-6 6003 Siskiyou 4.7 miles from Mt. Shasta City on Wagon Camp Road, SW slope of Mt. Shasta 1220 Comment
  RSA237856  Potentilla glandulosa var. nevadensis Frederick W. Oettinger 1968-8-15 526 Siskiyou E side of Hancock lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  HSC86547  Potentilla gracilis D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  CHSC88116  Potentilla gracilis var. fastigiata Jenny Marr 1993-7-1 126 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  JEPS80606  Potentilla gracilis var. fastigiata Gilbert Muth 1966-7-31 470 Siskiyou north side of Black Mountain Marble Mt. Wilderness Area, n side of Black Mountain 1981 Comment
  CAS-BOT-BC540559  Potentilla gracilis var. fastigiata A. A. Heller 1918-7-16 13030 Siskiyou Mt. Eddy west of Sisson 2651 Comment
  UC1409377  Potentilla gracilis var. fastigiata Frederick W. Oettinger 1969-7-31 1118 Siskiyou along trail midway between English Lake and drift fence (High Lake Basins in the vicinity of English Peak, Salmon Mountains, Marble Mountain Wilderness Area, W Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  UC1034646  Potentilla millefolia Milo S. Baker 1955-6-26 13080 Siskiyou Highway 99, 4 mi s Gazelle; s of Gazelle 914 Comment
  UC1037232  Potentilla millefolia Leo Whitney 1934-6-10 3035 Siskiyou Antelope Creek near Tennant; Antelope Creek near Tennant 1463 Comment
  CAS-BOT-BC144831  Potentilla rivalis Roxana S. Ferris; Laura Lorraine 1941-8-11 10501 Siskiyou Grass Lake Station onU. S. Highway 97 1554 Comment
  UC702909  Primula suffrutescens Lester Rowntree 1937-7-25 Siskiyou Caribou Lakes Comment
  CAS-BOT-BC516382  Prosartes hookeri Geo. D. Butler 1908-8-24 93 Siskiyou Eldridges Corral, Russian Creek Comment
  RSA238551  Prunella vulgaris var. lanceolata Frederick W. Oettinger 1969-8-1 1126 Siskiyou Above wiregrass meadow near English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  CAS-BOT-BC158205  Prunus emarginata John M. Tucker 1963-7-7 3711 Siskiyou In vicinity of Paradise Lake, at base on east side of Kings Castle, Marble Mountain Wilderness Area 1981 Comment
  CAS-BOT-BC158211  Prunus emarginata John Thomas Howell 1939-8-4 15029 Siskiyou Between Elk Mt. and Marble River, Marble Mts. Comment
  CAS-BOT-BC158218  Prunus emarginata Roxana S. Ferris; Laura Lorraine 1948-6-12 11776 Siskiyou About 5.5 miles from Etna on forks of Salmon Road Comment
  HSC122  Prunus emarginata William J. Ferlatte 1967-7-25 716 Siskiyou Caribou Mtn. 2470 Comment
  JEPS44942  Prunus emarginata Willis L. Jepson 1894-8-4 13836 Siskiyou Mount Shasta, Niel's Camp Mount Shasta; , Niel's Camp Comment
  RSA184732  Prunus emarginata Gilbert Muth 1966-7-8 373 Siskiyou Marble Valley Meadow, Marble Mountains. 1793 Comment
  UC484192  Prunus subcordata E. R. Johnson 1928-8-31 1195 Siskiyou w edge of Lava Beds National Monument, between Bartle and Lookout Lava Beds National Monument Comment
  CAS-BOT-BC151239  Prunus virginiana var. demissa John Thomas Howell 1937-7-21 13164 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC1128441  Prunus virginiana var. demissa M. H. Mitchell 1936-5-19 Siskiyou 1 1/4 mi W of Coldwell Butte 1371 Comment
  UC375375  Prunus virginiana var. demissa Geo. D. Butler Jul 14 1908-May 16 1909 1047 Siskiyou near Yreka Comment
  UC61666  Pseudognaphalium thermale Geo. B. Grant 1902-9-1 5075 Siskiyou Sisson Mount Shasta, Sisson 914 Comment
  RSA17670  Pseudoroegneria spicata subsp. spicata Elmer I. Applegate 1935-6-5 9317 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  RSA639072  Pseudotsuga menziesii L. C. Wheeler 1958-8-18 7397 Siskiyou West Fork Seiad Creek. Comment
  HSC31981  Pseudotsuga menziesii var. menziesii Steve Selva, Roger Jensen 1974-8-17 23 Siskiyou 300 yds above base of Sugar Lake Trail along USFS Rd. 40N23 (Road 8) Comment
  UC60896  Pseudotsuga menziesii var. menziesii W. A. Setchell, C. C. Dobie 1902-7-18 Siskiyou Sisson Mt. Shasta Comment
  JEPS60239  Psilocarphus brevissimus var. brevissimus L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2299 Siskiyou 0.8 mi s Bray junction (on U. S. Highway 97); Murphy Wells 1493 Comment
  CAS-BOT-BC361903  Psilocarphus tenellus Louis C. Wheeler 1934-6-2 2605 Siskiyou Klamath National Forest. Cherry River, Klamath R. 518 Comment
  CAS-BOT-BC72681  Pteridium aquilinum Gilbert Muth 1966-8-1 486 Siskiyou Marble Valley Horse Pasture, Marble Mts. 1792 Comment
  HSC27947  Pteridium aquilinum var. pubescens Carl W. Mize 1972-9-24 123 Siskiyou Old rd. past U-turn 816 Comment
  CDA32665  Puccinellia distans L. Ahart, J. Dittes 2005-6-9 12002 Siskiyou 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. Comment
  UCD22431  Purshia tridentata Brian Vanden Heuvel 2003-4-10 193 Siskiyou Shasta National Forest. 1.6 miles east of McCloud on CA 89, on south side of road. Comment
  HSC19591  Purshia tridentata var. tridentata R. C. Wunner 1965-6-7 102 Siskiyou Lava Beds National Monument, Mammoth Crater 1616 Comment
  POM203179  Purshia tridentata var. tridentata L. S. Rose 1934-4-20 34228 Siskiyou Shasta River. NE of Yreka. Comment
  UCLA62314  Pycnanthemum californicum W. Bridge Cooke 1940-7-26 15358 Siskiyou meadow at the Black Butte spring Mount Shasta; , Black Butte spring Comment
  CAS-BOT-BC460860  Pyrola aphylla Volney Rattan 1879-6-1 s.n. Siskiyou Klamath Comment
  RSA756945  Pyrola asarifolia R. F. Thorne 1969-8-2 63338 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1159 Comment
  HSC19193  Pyrola asarifolia subsp. asarifolia J. O. Sawyer 1968-6-18 189 Siskiyou Above S Russian Creek on W side. 1463 Comment
  HSC270  Pyrola crypta William J. Ferlatte 1967-8-21 1073 Siskiyou Sawtooth Ridge between Caribou Basin and Little S Fork Lake 2287 Comment
  RSA0080486  Pyrola dentata E. K. Balls 1949-7-8 13921 Siskiyou Road from Scott Mountain to Callahan. 1372 Comment
  HSC18920  Pyrola minor J. O. Sawyer 1969-7-23 1187 Siskiyou Along road near Horse Range Creek. 1341 Comment
  SBBG25824  Pyrola picta D. Myrick 1966-8-10 1525 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  CAS-BOT-BC466134  Pyrola picta Doris K. Kildale 1929-8-24 9073 Siskiyou Rattlesnake Meadow, Preston Peak 1676 Comment
  HSC85695  Pyrrocoma racemosa var. pinetorum J. P. Smith 1980-8-24 10347 Siskiyou Klamath National Forest. SR 3, 2.7 miles from Scott Mtn. summit, at road to Carmen Lake 1341 Comment
  JEPS82715  Quercus Wayne Roderick 1981-7-4 Siskiyou Cook and Green Pass 1371 Comment
  CAS-BOT-BC68644  Quercus chrysolepis J. H. Thomas 1954-5-14 4188 b Siskiyou Salmon Montains, Klamath National Forest. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. 1219 Comment
  HSC8314  Quercus chrysolepis C. B. Wolf 1927-8-26 1069 Siskiyou On the Klamath River, 8 mi. above Hamburg Comment
  POM267241  Quercus chrysolepis Marion Ownbey, Fred G. Meyer 1940-7-6 2201 Siskiyou Along Cayenne Ridge, Marble Mountain. Comment
  CAS-BOT-BC94666  Quercus garryana Marion Ownbey; Fred G. Meyer 1940-7-8 2229 Siskiyou Summit of Siskiyou Mountains, 21 miles N of Happy Camp. Comment
  CAS-BOT-BC62761  Quercus garryana var. breweri Doris K. Kildale 1928-7-2 5351 Siskiyou Salmon Summit via Horn Creek Trail 1981 Comment
  UC1409348  Quercus garryana var. breweri Frederick W. Oettinger 1969-8-24 1540 Siskiyou w side English Lake (just sw of the brook, vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1752 Comment
  CAS-BOT-BC104341  Quercus sadleriana Baki Kasapligil 1981-6-26 6192 Siskiyou Around the Lake Bolan, Siskiyou Comment
Read comments
Jun 23 2018
  CAS-BOT-BC104348  Quercus sadleriana John Thomas Howell; Gordon H. True 1972-6-8 48854 Siskiyou S of summit on road from Takilma to Happy Camp Comment
  CHSC91794  Quercus sadleriana G. F. Hrusa 2001-6-6 15853 Siskiyou Siskiyou Mountains. Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. Roadside. UTM: 10T, 4649821 N, 0456023 E. 1424 Comment
  RSA237866  Quercus sadleriana Frederick W. Oettinger 1969-9-4 1668 Siskiyou Near gap between Tobacco Lake and Toms Lake Basin (in Tobacco Lake Basin), Salmon Mountians, the High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area. 1829 Comment
  UC971916  Quercus sadleriana Herbert L. Mason 1950-7-16 14060 Siskiyou road from Happy Camp, California to Waldo, Oregon Comment
  UCD47261  Quercus sadleriana John M. Tucker 1972-8-8 4247 B Siskiyou (Q. garryana Hook. var. breweri (Engelm.) Jepson). California, Siskiyou Co.; Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 mi. west-southwest of Marble Valley Guard Station (extreme southeast corner of Section 20, R.11W., T.42N. 1828 Comment
  UCSB1234  Quercus sadleriana Mason, Herbert 1950-7-16 Siskiyou Road from Happy Camp, California, to Waldo, Oregon Comment
  CAS-BOT-BC104635  Quercus vacciniifolia David D. Keck 1938-8-8 4864 Siskiyou Scott Mts., ridge between Mill and Mule creeks, 3 mi SE of Scott Mountain Lodge 1400 Comment
  HSC8301  Quercus vacciniifolia Jerry Parker 1968-10-6 142 Siskiyou Salmon Mtns. ridge above Sugar Lake Comment
  RSA237826  Quercus vacciniifolia Frederick W. Oettinger 1969-9-4 1646 Siskiyou At northeast side of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UC595073  Quercus vacciniifolia David D. Keck 1938-8-8 4864 Siskiyou 3 mi se Scott Mountain Lodge (ridge between Mill Creek and Mule Creek); Scott Mts. 1402 Comment
  SBBG2234  Ranunculus alismifolius H. and M. Dearing 1939-6-5 3554 Siskiyou E of McCloud 1066 Comment
  UCD95823  Ranunculus alismifolius var. alismifolius Robert E. Preston 2001-6-23 1608 Siskiyou Klamath National Forest, north-facing slope of Rainbow Mountain. 1981 Comment
  UCR37849  Ranunculus eschscholtzii var. suksdorfii K. T. Stillman 1976-6-25 81 A Siskiyou Marble Mountain Wilderness Area. On north side of Elk Valley 1799 Comment
  UC13928  Ranunculus glaberrimus F. W. Hooper 1897-3-27 Siskiyou Little Shasta Comment
  POM99951  Ranunculus glaberrimus var. ellipticus Geo. D. Butler 1910-3-6 1117 Siskiyou Shasta River Comment
  JEPS55090  Ranunculus hebecarpus Geo. D. Butler 1909-5-2 784 Siskiyou near Yreka Comment
  POM99425  Ranunculus occidentalis var. eisenii Geo. D. Butler 1908-6-28 362 Siskiyou Siskiyou county: Meadow near Oro Fino Comment
  HSC601  Ranunculus orthorhynchus var. orthorhynchus William J. Ferlatte 1967-6-30 590 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  HSC30472  Ranunculus uncinatus Frederick W. Oettinger 1969-8-9 1313 Siskiyou Near Young's Cabin, Salmon Mts. Comment
  UC220629  Raphanus raphanistrum H. E. Brown June 1-10 1897 343 Siskiyou near Sisson 1083 Comment
  RSA7809  Rhamnus purshiana Doris K. Kildale 1928-8-18 6435 Siskiyou N Fork Salmon River at Finley Camp. Comment
  JEPS42059  Rhamnus rubra W. L. Jepson 1940-7-3 20090 Siskiyou 6 mi e McCloud (Fowlers Camp); McCloud River 944 Comment
  POM136602  Rhamnus rubra H. M. Hall, E. B. Babcock 1903-06 s.n. Siskiyou Head of McCloud River Comment
  HSC72719  Rhododendron columbianum D. Parker 1965-7-24 895 Siskiyou Salmon Mtn., edge of Horseshoe lake 1860 Comment
  SBBG25359  Rhododendron neoglandulosum J. M. Tucker 1963-7-5 3704 Siskiyou Blake's Fork of S Russian Crk (tributary of the Salmon River), ca. 7 mi (airline) E of Sawyer's Bar, Salmon Mtns 1615 Comment
  UC165925  Ribes Geo. D. Butler 1910-7-8 1682 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC438009  Ribes W. R. Dudley 1899-8-9 s.n. Siskiyou Black Butte Comment
  JEPS49271  Ribes aureum Geo. D. Butler 1904-4-13 598 Siskiyou near Yreka (Butler's Ranch) Comment
  JEPS49277  Ribes aureum var. aureum Geo. D. Butler 1908-6-28 266 Siskiyou near Yreka (Butler's Ranch); Butler's Ranch Comment
  CAS-BOT-BC92542  Ribes binominatum A. A. Heller 1920-7-9 13430 Siskiyou Sope of Mount Eddy. 2438 Comment
  HSC23460  Ribes binominatum J. O. Sawyer 1968-7-23 614 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  CAS-BOT-BC108776  Ribes cereum Elmer I. Applegate 1935-8-4 10026 Siskiyou Upper Ice Cave, Lava Beds National Monument. Comment
  CAS-BOT-BC108782  Ribes cereum A. A. Heller 1938-7-12 15252 Siskiyou Eight miles north of Weed along U.S. Highway #97. Comment
  CAS-BOT-BC108783  Ribes cereum Gary Schoolcraft 1984-5-22 1174 Siskiyou North slopes of Mount Dome. 1524 Comment
  CAS-BOT-BC27149  Ribes glanduliferum Amos Arthur Heller 1905-6-9 8005 Siskiyou Yreka Comment
  JEPS49410  Ribes inerme var. klamathense Geo. D. Butler 1910-4-9 1160 Siskiyou Yreka Comment
  HSC19429  Ribes lacustre J. O. Sawyer 1968-7-23 577 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  HSC29423  Ribes lacustre Frederick W. Oettinger 1969-7-11 972 Siskiyou Marble Mtn. Wilderness Area, SE corner of Hancock Lake 1936 Comment
  UCD78097  Ribes lacustre Robert E. Preston 2001-6-23 1628 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W se 1/4 of ne 1/4 Section 15 1676 Comment
  CAS-BOT-BC173389  Ribes lobbii A. M. Vollmer; L. Beane 1951-6-2 86 Siskiyou Happy Camp, Klamath River Highway Comment
  JEPS84053  Ribes lobbii L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-15 6302 a Siskiyou from Takilma to Happy Camp (Indian Creek Road, just s of state line) Comment
  SEINET12220262  Ribes marshallii H. P. Chandler 1901-1 1549 Siskiyou near Marble Mountain, North Coast Ranges 1829 Comment
  JEPS128460  Ribes montigenum Julie Kierstead Nelson with Martin Lenz 2015-6-18 2015 -061 Siskiyou Headwaters of West Fork Parks Creek, 2 miles NNE of China Mountain; 7 miles W of town of Weed. Comment
  SEINET13942692 Image available Ribes nevadaense A. A. Heller 2015-1 12244 Siskiyou Wagon creek at the foot of Mt. Eddy, elev about 3700 ft 1128 Comment
  RSA0023152  Ribes nevadense William J. Ferlatte 1967-7-9 688 Siskiyou Kidd Creek Trail. 1860 Comment
  HSC41076  Ribes roezlii J. O. Sawyer 1970-4-3 2051 Siskiyou Robinsons Flat, 4 mi. E of Sawyers Bar 732 Comment
  HSC48272  Ribes roezlii K. Stillman, P. Stekel May 1977 513 Siskiyou Along Happy Camp-O'Brien Rd. above Louse Creek Comment
  UC375353  Ribes roezlii Geo. D. Butler 1908-7-19 269 Siskiyou Humbug Mountain Comment
  SEINET10970387  Ribes roezlii var. roezlii Mary Merello 1993-6-23 Merello 701 Siskiyou Shasta-Trinity National Forest. Along county road A-10 (also named Everitt Memorial Highway) climbing Mt. Shasta. Mixed conifer, sub-alpine vegetation, volcanic soils; Aibes and Arctostaphylos dominant species (mile 10 marker 6650 ft.) 1960 Comment
  HSC68315  Ribes sanguineum Maralyn A. Renner 1980-6-26 1235 Siskiyou SE edge of Flint Valley. 1390 Comment
  JEPS49244 Image available Ribes sanguineum W. L. Jepson 1907-7-5 2822 Siskiyou near Marble Mt. (head of Shackelford Canyon) 2133 Comment
  UC1483465 Image available Ribes sanguineum Maralyn A. Renner 1980-6-27 1299 Siskiyou headwaters Dillon Creek; Klamath National Forest, Dillon Mtn. Quad. Comment
Read comments
Feb 9 2009
  UC165922  Ribes sanguineum Geo. D. Butler 1908-8-4 258 Siskiyou head Shackleford Creek Comment
  UC375360  Ribes sanguineum Geo. D. Butler 1910-5-1 1265 Siskiyou Humbug Mountain Comment
  UC637110  Ribes sanguineum Annetta Carter 1934-8-13 707 Siskiyou Happy Camp to Waldo (Oregon) road Klamath National Forest, West Branch Indian Creek watershed 1463 Comment
  RSA0019538  Ribes sanguineum J. P. Smith 1974-5-25 7445 Siskiyou Near junction of Road 8 and French Creek Road. 1280 Comment
  CAS-BOT-BC144514  Ribes sanguineum var. sanguineum Doris K. Kildale 1929-7-24 8608 Siskiyou Southeast spur Preston Peak 1950 Comment
  HSC100037  Ribes velutinum J. P. Smith, & J. O. Sawyer 2010-5-6 12823 Siskiyou Along Rd. 92K02, E of Copco. 778 Comment
  RSA0019710  Ribes velutinum Elmer I. Applegate 1929-5-2 5557 Siskiyou Shasta Valley between Gazelle and Yreka. Comment
  RSA0020884  Ribes velutinum Lyman Benson 1929-3-27 1074 Siskiyou Rocky ledges along Klamath River. Comment
  CAS-BOT-BC168799  Ribes viscosissimum Gilbert Muth 1966-7-17 380 Siskiyou Along trail to Marble Mountain Lookout, Marble Mts. 1813 Comment
  HSC33927  Ribes viscosissimum J. O. Sawyer 1968-7-23 594 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  RSA0020919  Ribes viscosissimum Albert M. Vollmer, L. Beane 1951-6-2 55 Siskiyou Road between Streamline Lodge and Deer Camp, north of Klamath River Highway. Comment
  RSA0020921  Ribes viscosissimum Gilbert Muth 1966-7-17 380 Siskiyou Along trail to Marble Mountain Lookout, Marble Mountains. 1814 Comment
  CDA25592  Ribes viscosissimum var. hallii Jennifer Whipple 1976-6-19 1063 Siskiyou Klamath Mountains; Dale Creek drainage on the north face of Mount Eddy. Comment
  CAS-BOT-BC50365  Rigiopappus leptocladus Lewis Samuel Rose 1945-6-18 45065 Siskiyou Horse Creek & Klamath River 502 Comment
  RSA29463  Rorippa columbiae J. William Thompson 1936-7-8 13148 Siskiyou Lava slopes of Lava Beds Nat l Monument. Comment
  HSC74818  Rorippa curvisiliqua J. P. Smith, J. O. Sawyer 1978-7-3 9998 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  CHSC9503  Rosa bridgesii J. F. Goodwin 1971-7-3 140 Siskiyou North side of road on hillside, 8.2 mi. south of Mt. Shasta Ski Bowl area. 1524 Comment
  CAS-BOT-BC146755  Rosa gymnocarpa Annie M. Alexander; Louise Kellogg 1948-9-7 5593 Siskiyou On road between first and second forks to Lookouts; Black Bear Summit Comment
  HSC19387  Rosa gymnocarpa J. O. Sawyer 1968-9-10 682 Siskiyou Below Young's Meadow on Clear Creek. 1372 Comment
  UC922632  Rosa gymnocarpa Annie M. Alexander and Louise Kellogg 1948-9-7 5593 Siskiyou on road between first and second forks to Lookouts Siskiyou Mts., Black Bear Summit Comment
  HSC101757  Rosa pisocarpa J. P. Smith, J. O. Sawyer 2011-9-3 13407 Siskiyou Fence row along Cole Rd. to Siskiyou Summit 910 Comment
  HSC64755  Rosa pisocarpa J. P. Smith, Steve Selva 1970-7-17 4475 Siskiyou Below Kangaroo Lake. 1890 Comment
  UC1045314  Rosa pisocarpa W. Bridge Cooke 1940-6-20 15172 Siskiyou Klamath River near the Pacific Highway below Hornbrook 609 Comment
  HSC36758  Rubus laciniatus Brent Whitely 1975-7-11 156 Siskiyou 229 Comment
  HSC77789  Rubus lasiococcus L. P. Janeway 1983-9-11 652 Siskiyou Poker Flat 1524 Comment
  UC1409344  Rubus lasiococcus Frederick W. Oettinger 1968-8-5 415 Siskiyou w end, (high lake basins in vicinity of English Peak) Charmaine Lake; Salmon Mountains, Marble Mountain Wilderness Area 1920 Comment
  CAS-BOT-BC147989  Rubus leucodermis Alice Eastwood 1921-7-26 10861 Siskiyou Soda Creek Comment
  CAS-BOT-BC147308  Rubus parviflorus John Thomas Howell 1937-7-21 13190 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC147315  Rubus parviflorus A. A. Heller 1905-6-1 7949 Siskiyou On the Sacramento opposite Upper Soda Spring and Shasta Retreat Comment
  JEPS44738  Rubus parviflorus W. L. Jepson July 1894 13879 Siskiyou Cedar Spring Mt. Shasta, Cedar Spring Comment
  CAS-BOT-BC157159  Rubus ursinus Louis C. Wheeler 1934-6-29 2824 Siskiyou Klamath National Forest. Soda Creek 1280 Comment
  CHSC36165  Rubus ursinus K. Bridwell 1978-4-14 88 Siskiyou Along Klamath River, ca. 4 mi s of Hornbrook. 670 Comment
  HSC63041  Rubus ursinus J. P. Smith 1973-5-5 6420 Siskiyou Along Cook and Green Pass Rd. Comment
  HSC68977  Rubus ursinus Maralyn A. Renner 1980-7-24 2114 Siskiyou Pacific Crest Trail, 0.25 mi. SW of Cook and Green Pass. 1494 Comment
  UC618725  Rubus ursinus W. Bridge Cooke 1938-6-17 11048 Siskiyou Sisson Southern Trail , Sisson Southern Trail (Mount Shasta) Comment
  CAS-BOT-BC363144  Rudbeckia californica L. R. Short 1933-9-8 67 Siskiyou Klamath National Forest. Deer Camp near Dry Lake 1889 Comment
  SJSU2579  Rudbeckia klamathensis H. L. Buckalew 1962-7-12 Siskiyou near Poker Flat c. 2 mi W of Junction of Indian Cr with W Branch Indian Cr, Siskiyou Mts 1143 Comment
  RSA12505  Rudbeckia occidentalis C. B. Wolf 1934-7-4 5931 Siskiyou Ten miles from Horse Creek Bridge on Klamath River, Horse Creek Road to Dry Lake Lookout, Siskiyou Mountains. 1220 Comment
  JEPS74413  Rumex acetosella W. B. and V. G. Cooke 1974-8-20 49244 Siskiyou Everett Memorial Highway Mt. Shasta 1371 Comment
  CAS-BOT-BC422227  Rumex acetosella H. A. Thomas; J. H. Thomas 1954-7-23 4458 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Along north bank of S. Fork of Salmon River just west of Blind Horse Creek. 883 Comment
  UCD101018  Rumex acetosella A. A. Heller 1915-8-24 11209 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy. 1188 Comment
  UC54227  Rumex occidentalis H. M. Hall and E. B. Babcock Jun 1903 4065 Siskiyou Sisson Sierra Nevada Mountains, Mount Shasta 1066 Comment
  RSA126337  Sagina decumbens subsp. occidentalis I. L. Wiggins 1955-7-22 13445 Siskiyou South Fork of Salmon River, 9.5 miles above Cecilville. 1067 Comment
  UC618783  Sagina saginoides W. Bridge Cooke 1938-8-18 11474 Siskiyou Mt. Shasta, Horse Camp Springs Comment
  CAS-BOT-BC103547  Salix commutata Alice Eastwood 1921-7-29 10966 Siskiyou Medicine Lake Comment
  HSC28672  Salix eastwoodiae Frederick W. Oettinger 1968-9-3 690 Siskiyou Marble Mtn. Wilderness Area, near Horse's Hole, Horse Range Lake Basin 1829 Comment
  HSC78193  Salix eastwoodiae L. P. Janeway 1983-7-10 409 Siskiyou Poker Flat 1524 Comment
  RSA201501  Salix eastwoodiae J. T. Howell 1939-8-7 15125 Siskiyou Marble Mountain: Sky High Valley. 1829 Comment
  RSA105506  Salix exigua G. D. Barbe 1955-6-28 7 Siskiyou 0.8 mile N of Callahan near Hjertagers' Mill. 976 Comment
  RSA15588  Salix exigua Carl B. Wolf 1927-8-27 1133 Siskiyou On the Klamath River. 7 miles below Happy Camp. Comment
  CAS-BOT-BC107785  Salix hindsiana L. B. Kildale 1930-5-31 9793 Siskiyou Island in Klamath River near Hornbrook Comment
  UC375227  Salix laevigata Geo. D. Butler 1909-9-20 1084 Siskiyou along creek near Yreka Comment
  POM107152  Salix lasiolepis Geo. D. Butler 1910-6-1 1444 Siskiyou Yreka Creek. Comment
  SBBG29073  Salix lasiolepis Mrs. H. P. Bracelin 1931-6-21 469 Siskiyou N side of Mount Eddy, ca. 21 km NW of Shasta City, 300 km below Dobkin's Lake 1650 Comment
  CAS-BOT-BC128304  Salix lasiolepis var. lasiolepis Doris K. Kildale 1929-4-27 7846 Siskiyou Cecilville, upper South Fork of Salmon River Comment
  UC482240  Salix lemmonii Mrs. H. P. Bracelin 1931-6-19 415 Siskiyou ca. 16 km. n.w. Shasta City (n.e. side Mt. Eddy, above Metcalf ranch house); Mt. Eddy 1455 Comment
  RSA201420  Salix lucida subsp. lasiandra J. T. Howell 1939-8-9 15206 Siskiyou Sky High Valley, Marble Mountains. 1829 Comment
  RSA5731  Salix lucida subsp. lasiandra H. P. Bracelin 1931-6-21 473 Siskiyou N base of Mt Eddy. About 13 km NW of Shasta City. At bridge, about 1.3 km E of Burney Mill. 1110 Comment
  SBBG57821  Salix lucida subsp. lasiandra Mrs. H. P. Bracelin 1931-6-21 473 Siskiyou N base of Mt Eddy, ca. 13 km NW of Shasta City 1110 Comment
  CAS-BOT-BC125682  Salix melanopsis H. A. Thomas; J. H. Thomas 1954-7-23 4457 Siskiyou Salmon - Trinity Mts. About 6 miles SE of Cecilville. Along north bank of S. Fork of Salmon River just west of Blind Horse Creek 883 Comment
  CAS-BOT-BC125683  Salix melanopsis L. E. Smith 1914-7-6 751 Siskiyou Cantara Comment
  CAS-BOT-BC126155  Salix scouleriana Alice Eastwood 1912-7-17 1179 Siskiyou Sisson Comment
  CDA119  Salix scouleriana D. G. Kelch 2007-7-25 7 .5 Siskiyou Indian Creek Rd., just S of Greyback Summit. Comment
  HSC19409  Salix scouleriana J. O. Sawyer 1968-7-10 497 Siskiyou Lower slopes grading to terrace of a temporary stream. 1768 Comment
  POM107277  Salix scouleriana Geo. D. Butler 1910-4-3 1155 Siskiyou Humbug Mtn Comment
  SD879  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 444 Siskiyou East side of Mount Eddy, about 17 km northwest of Shasta City, above stream in Wagon Creek Canyon, about 1 km up from Metcalf Ranch House 1170 Comment
  UC449842  Salix scouleriana L. S. Smith 1931-6-1 15 Siskiyou near Mt. Shasta Mt. Shasta 1066 Comment
  UC481710  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 445 Siskiyou ca. 17 km. n.w. Shasta City (above stream in Wagon Creek Canyon, ca. 1 km. up from Metcalf ranch house, e. side of Mt. Eddy); Mt. Eddy Comment
  SEINET12003644  Salix scouleriana H. P. Bracelin 1931-1 435 Siskiyou North base of Mount Eddy, about 10 km NW of Shasta City, east of Metcalf ranch house 80 Comment
  HSC28675  Salix sitchensis Frederick W. Oettinger 1968-9-4 695 Siskiyou Marble Mtn. Wilderness Area, W shoreline, Abbott's Lake 1723 Comment
  RSA238004  Salix sitchensis Frederick W. Oettinger 1968-9-4 695 Siskiyou W shore of Abbott's Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1723 Comment
  RSA238008  Salix sitchensis Frederick W. Oettinger 1968-9-4 697 Siskiyou Slope SE of Abbott's Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1768 Comment
  UC1173611  Salix sitchensis Joseph P. Tracy 1935-8-1 14399 Siskiyou borders of Rock Lake (on ridge between Salmon and New Rivers, at extreme head of W. Fork Knownothing Creek); W. Fork Knownothing Creek, Rock Lake 1889 Comment
  CAS-BOT-BC225206  Salvia sonomensis L. E. Smith 1913-8-12 521 Siskiyou McCloud Comment
  CDA5766  Salvia virgata T. C. Fuller 1964-6-24 12244 Siskiyou Marlow property, Greenhorn Valley, ca 2 miles west of Yreka. 0 Comment
  CAS-BOT-BC238884  Sambucus nigra subsp. caerulea Wm. Bridge Cooke 1939-6-30 13566 Siskiyou Mount Shasta. Grows near the outlet of MacBride Springs Comment
  CAS-BOT-BC238890  Sambucus nigra subsp. caerulea Elmer I. Applegate 1935-6-5 9304 Siskiyou Capt. Jack's Stronghold, Lava Beds National Monument Comment
  HSC91433  Sambucus nigra subsp. caerulea Jennifer Whipple 1978-10-6 2417 Siskiyou Dale Creek drainage on N face of Mt. Eddy. 2195 Comment
  UC54364  Sanguisorba annua H. M. Hall and E. B. Babcock June, 1903 4046 Siskiyou at 18th crossing near Sisson (Mount Shasta); Sierra Nevada Mountains, , at 18th crossing 1036 Comment
  HSC70592  Sanguisorba annua J. O. Sawyer, J. Cole 1981-7-2 4144 Siskiyou Near Scott Mtn. Campground 1585 Comment
  UC1258448  Sanicula graveolens Maralyn A. Renner 1980-7-23 1831 Siskiyou about 1 mi e of Cook and Green Pass ( Klamath National Forest, Pacific Crest Trail); Klamath National Forest, Pacific Crest Trail 1752 Comment
  UC585155  Sanicula graveolens E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2004 Siskiyou about 1 1/2 mi w of Mount Shasta (above Sulloway Creek, Rainbow Ridge); Rainbow Ridge 1188 Comment
  RSA60665  Sanicula tuberosa I. L. Wiggins 1950-5-28 12381 Siskiyou Serpentine ridge just above Grouse lake (headwaters of Grouse Creek). 1738 Comment
  SEINET2140098  Santalaceae R. L. Mathiasen 2007-1 2007 -39 Siskiyou 6.4 km W. of McCloud on St. Rte. 89 at turn to Mt. Shasta Ski Park. 1340 Comment
  HSC68018  Saponaria officinalis J. P. Smith, Steve Selva 1970-7-16 4404 Siskiyou 1 mi. E of O'Neill Campground 579 Comment
  UC1212565  Saponaria officinalis Francia Chisaki and Helen Sharsmith 1959-8-20 4740 Siskiyou on road from Callahan three mi before reaching Etna (Scott Valley); Inner North Coast Ranges, Scott Valley 853 Comment
  UC1190119  Saxifraga bryophora Ira L. Wiggins 1955-7-27 13547 Siskiyou Salmon-Trinity Alps Primitive Area, Caribou Lake Caribou Lake; Trinity Alps, Salmon-Trinity Alps Primitive Area, Caribou La 2042 Comment
  UC1736424  Saxifraga californica Dean W. Taylor 1999-6-10 17247 Siskiyou Marble Mountains, Mill Creek, ca. 4 miles W from Mugginsville in Quartz Valley, northerly facing slopes near watershed divide with Kidder Creek 1584 Comment
  RSA760542  Saxifraga ferruginea R. F. Thorne, Frederick W. Oettinger 1969-8-4 63366 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  UC1190142  Saxifraga ferruginea Ira L. Wiggins 1955-7-27 13548 Siskiyou Caribou Lake; Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  POM354577  Saxifraga odontoloma M. B. Dunkle 1945-8-2 9271 Siskiyou Klamath Natl Forest. Marble Mt. Comment
  RSA183690  Saxifraga odontoloma Gilbert Muth 1965-8-17 308 Siskiyou Lower creek on trail to Black Mountain, Marble Mts. Comment
  CAS-BOT-BC445880  Saxifragopsis fragarioides C. L. Hitchcock; J. S. Martin 1939-7-7 5285 a Siskiyou Sanger Peak 1780 Comment
  CAS-BOT-BC445875  Saxifragopsis fragarioides Louis C. Wheeler 1934-8-2 3015 Siskiyou Alex Hole, Alex Canyon; Siskiyou Mts., Mt. Diablo Mer. 1889 Comment
  CAS-BOT-BC283651  Schedonorus pratensis W. B. C. 1938-9-17 11694 Siskiyou Horse Camp, Mount Shasta Comment
  CAS-BOT-BC111220  Scirpus M. A. Berry 1957-7-4 s.n. Siskiyou Carter Meadow at junction of Long Gulch and Trail Gulch on South fork of Salmon River. 1524 Comment
  CAS-BOT-BC35551  Scirpus congdonii John Thomas Howell 1939-8-7 15130 Siskiyou Sky High Valley, Marble Mtns. 1828 Comment
  HSC39087  Scirpus congdonii D. H. Norris May 1970 12274 Siskiyou Haypress Meadows, Marble Mtn. Wilderness Area Comment
  UC184694  Scirpus maritimus Geo. D. Butler 1910-8-21 1847 Siskiyou Shasta Valley Comment
  CDA3393  Scleranthus annuus J. R. Grisham 1958-6-13 537 -58 Siskiyou Quartz Valley. 0 Comment
  SEINET3160652  Scrophularia californica G. D. Butler 1910-5-22 1383 Siskiyou Yreka Creek Comment
  JEPS9919  Scrophularia lanceolata Geo. D. Butler 1908-7-9 524 Siskiyou along creek near Yreka Comment
  RSA211224  Scutellaria antirrhinoides William J. Ferlatte 1966-8-3 266 Siskiyou Along the south fork of the Salmon River between the campground and Carter s. 1524 Comment
  UC726395  Scutellaria antirrhinoides A. A. Heller 1919-6-25 13270 Siskiyou Compton's Prairie Comment
Read comments
Dec 29 2006
  UCD125688  Scutellaria siphocampyloides Robert E. Preston 1995-6-22 897 Siskiyou Irongate Reservoir, on open slopes W of Mirror Cove. 731 Comment
  CHSC462  Sedum V. Holt 1943-8-9 Siskiyou Marble Mountains 1828 Comment
  CAS-BOT-BC64653  Sedum kiersteadiae A. A. Heller 1920-6-29 13401 Siskiyou Near Wagon Creek Falls, east side of Mt. Eddy 2194 Comment
  JEPS57176  Sedum lanceolatum L. R. Heckard 1967-8-13 1698 Siskiyou summit region Mt. Eddy; summit region Mt. Eddy 2743 Comment
  CAS-BOT-BC61459  Sedum lanceolatum K. T. Stillman 1976-6-25 106 Siskiyou Scott Bar quad. Marble Mountain Wilderness Area. 2072 Comment
  HSC90586  Sedum lanceolatum var. lanceolatum Jennifer Whipple 1977-8-5 2186 Siskiyou Slopes near Little Crater Lake 2195 Comment
  CHSC460  Sedum obtusatum subsp. boreale V. Holt 1932-6-26 Siskiyou Mt. Eddy. 1981 Comment
  JEPS19782  Sedum obtusatum subsp. boreale Rimo Bacigalupi with S. Galen Smith 1957-6-26 5942 Siskiyou along road to Gumboot Lake about 11 mi sw Mt. Shasta town (serpentine slopes in the canyon of the South Fork Sacramento River between White Ridge and Scott Camp Ridge); canyon South Fork Sacramento River, White Ridge, Scott Camp 1219 Comment
  HSC19433  Sedum obtusatum subsp. retusum J. O. Sawyer 1968-6-25 294 Siskiyou NE of N Horse Range Lake 2012 Comment
  HSC19539  Sedum obtusatum subsp. retusum J. O. Sawyer 1969-8-4 1918 Siskiyou South Sugar Creek 2043 Comment
  HSC26116  Sedum obtusatum subsp. retusum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5683 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  SEINET12217803  Sedum oreganum Unknown 1986-1 60433 Siskiyou N of Condrey Mt. and east of Scraggy Mt., Alex Crk. near intersection with unknown forest 1524 Comment
Read comments
Apr 14 2020
  SEINET13761495  Sedum oregonense R. E. Brainierd, N. Otting 2013-7-8 CWG- 247 Siskiyou Salmon Mountains, Russian Wilderness, ridge S Little Duck Lake. 2236 Comment
  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
  RSA0074771  Sedum spathulifolium E. K. Balls 1949-7-10 13966 Siskiyou Road from Sawyers Bar to Cecilville. 732 Comment
  UC1585404  Sedum spathulifolium R. Raiche, K. Zadnik, and H. Forbes 1989-10-3 UCBG 40 Siskiyou n of Seiad Valley on Seiad Valley Rd. 12.3 km n Hwy 96 (toward Cook and Green Pass, along East Fork Seiad Creek); East Fork Seiad Creek, n of Seiad Valley 900 Comment
  RSA603123  Sedum stenopetalum subsp. stenopetalum L. C. Wheeler 1934-8-14 3142 Siskiyou E end White Mt.; Siskiyou Mts. (Mt. Diablo Mer.) 1829 Comment
  HSC19475  Selaginella scopulorum J. O. Sawyer 1969-6-10 805 Siskiyou S face near Sugar Lake 1829 Comment
  SBBG8726  Senecio aronicoides H. and M. Dearing 1939-6-5 3557 Siskiyou E of McCloud Comment
  CAS-BOT-BC363744  Senecio hydrophilus T. C. Fuller 1958-9-12 1246 -58 Siskiyou Hwy 99, 5 mi S/Yreka Comment
  CAS-BOT-BC363945  Senecio integerrimus var. exaltatus Alice Eastwood 1912-7-19 1236 Siskiyou Mount Shasta Comment
  HSC90544  Senecio integerrimus var. exaltatus Jennifer Whipple 1976-6-16 1010 Siskiyou Dale Creek Drainage on the N face of Mt. Eddy 2195 Comment
  HSC27490  Senecio integerrimus var. major J. P. Smith, J. O. Sawyer 1972-5-27 5346 Siskiyou Hwy. 3 near the Scott Mtn. Campground on divide between Scott and Trinity Rivers 1601 Comment
  HSC19472  Senecio triangularis J. O. Sawyer 1968-7-9 432 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC2277  Senecio triangularis Geo. D. Butler 1910-6-5 1486 Siskiyou Shackleford Creek Comment
  UC1483533  Senecio triangularis John Palmer 1980-8-12 689 Siskiyou se Wards Gap; Condry Mtn. Quad., Klamath National Forest 1188 Comment
  POM5593  Senecio triangularis E. B. Copeland 1903-8-19 3811 Siskiyou Mt. Eddy. 1463 Comment
  RSA237491  Senecio triangularis Frederick W. Oettinger 1968-8-24 628 Siskiyou Stream side below meadow between Flume and Tom's Lake stream. The Salmon Mountains, High Lake basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  RSA237595  Sibbaldia procumbens Frederick W. Oettinger 1968-8-23 607 Siskiyou Near Diamond Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2073 Comment
  UCD116649  Sidalcea glaucescens Rolf Y. Berg 1964-7-15 8265 Siskiyou Seiad Valley. Along dirt road west of Cook and Green Pass and above Lily Pad Lake, Siskiyou Mountains. Comment
  POM84123  Sidalcea malviflora subsp. asprella Geo. D. Butler 1909-6-4 768 Siskiyou Fields near Guka Comment
  SD62050  Sidalcea malviflora subsp. asprella DarleyF. Howe 1965-8-8 4126 Siskiyou Saddle, south of Little Gray Back. 1402 Comment
  UC164426  Sidalcea oregana Geo. D. Butler 1910-5-26 1408 Siskiyou Yreka Comment
  HSC34117  Sidalcea oregana subsp. spicata J. O. Sawyer 1969-8-18 1996 Siskiyou Slopes of S Sugar Lake Creek 1829 Comment
  RSA610006  Silene campanulata L. C. Wheeler 1935-6-9 3554 Siskiyou Siskiyou Mountains; Yreka Creek (Mt Diablo Mer.) 1220 Comment
  CAS-BOT-BC181194  Silene campanulata subsp. glandulosa Roxana S. Ferris; Laura Lorraine 1948-6-12 11806 Siskiyou At Mule Creek crossing on Scott Mountain Road south of Callahan 1524 Comment
  UC1409371  Silene campanulata subsp. glandulosa Frederick W. Oettinger 1968-8-16 543 Siskiyou n Red Hill (near outlet 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 1996 Comment
  UC1299503  Silene campanulata subsp. glandulosa Freed W. Hoffman 1950-7-14 3620 Siskiyou Clear Creek Trail Baldy Mountain, Clear Creek trail (western Siskiyou County) Comment
  HSC19523  Silene douglasii J. O. Sawyer 1969-7-2 1032 Siskiyou NE facing slope near summit above Lipstick Lake 2226 Comment
  JEPS84223  Silene grayi L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6338 Siskiyou ca 1/2 air mi from Red Butte (ca 7 mi nne of Seiad Valley, w of Cook and Green Pass); nne of Seiad Valley, w of Cook and Green Pass 1730 Comment
  CAS-BOT-BC388967  Silene grayi M. A. Showers 1981-8-8 2107 mas Siskiyou Basin between Shastina and Mt. Shasta at head of Cascade Gulch 2804 Comment
  UC722526  Silene grayi C. L. Hitchcock, J. S. Martin 1939-7-6 5227 Siskiyou California on Takilma-Happy Camp road peak above and n of Divide of Siskiyou Mts. (peak above and n of Divide of siskiyou Mts.) Comment
  UCD98588  Silene grayi Mary Ann Showers 1980-7-23 1921 Siskiyou on south and east-facing slopes of Pumice Stone Mt. 2103 Comment
  UC1185943  Silene lemmonii L. E. Detling 1950-6-9 6601 Siskiyou Hwy 99 Black Butte Summit (Hwy 99) (Black Butte Summit) 1188 Comment
  HSC41680  Silene marmorensis J. O. Sawyer, Ken Stillman 1976-7-1 2762 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  JEPS53891  Sisymbrium altissimum W. L. Jepson 1914-8-13 5790 Siskiyou Sisson 1097 Comment
  JEPS107648  Sisyrinchium bellum Lowell Ahart, John Dittes 2005-6-10 12102 Siskiyou Steep slope, 30 yards east of the Shasta River, near the south fence, 100 yards south of the pump house along the Shasta River, about 1.9 miles (air) south of Highway 99/97 Cutoff, about 6 miles (air) east-southeast of Grenada 776 Comment
  CHSC70188  Sisyrinchium idahoense Jennifer Whipple 1976-7-24 1563 Siskiyou Southwest of Dobkins Lake along the drainage into the lake. 2255 Comment
  SEINET3154290  Smilacina sessilifolia G. D. Butler 1910-5-15 1343 Siskiyou McAdams Creek Comment
  UC1409318  Smilacina stellata Frederick W. Oettinger 1968-8-6 428 Siskiyou Hancock Lake Salmon Mountains, Marble Mountain Wilderness Area (se corner, high lake basins in vicinity of English Peak, w Siskiyou Co.) 1935 Comment
  HSC62277  Smilax californica Ruby Van Deventer Aug 1957 Siskiyou Youngs Valley. Comment
  UC163713  Solanum americanum Geo. D. Butler 1909-8-18 1010 Siskiyou near Yreka Comment
  NY821079  Solanum parishii E. Joyal 1988-6-25 1272 Siskiyou Happy Camp-Takilma road at turn-off to Bolan Lake 1524 Comment
  UC884960  Solanum physalifolium var. nitidibaccatum A. A. Heller 1915-8-24 12208 Siskiyou ne base of Mount Eddy (Metcalf's ranch); , Metcalf's ranch 1188 Comment
  UCR19715  Solanum physalifolium var. nitidibaccatum John C. Roos 1948-9-1 3988 Siskiyou Ft. Jones 838 Comment
  CAS-BOT-BC157043  Solanum umbelliferum L. R. Short 1933-5-30 120 Siskiyou Klamath National Forest. Bank of Highway 579 Comment
  POM52743  Solidago canadensis subsp. elongata Geo D. Butler 1858 Siskiyou Oro Fino Comment
  CAS-BOT-BC365579  Solidago elongata Copeland 1903-8-12 3823 Siskiyou Sisson Comment
  HSC38596  Solidago elongata J. P. Smith, J. O. Sawyer 1972-9-13 5782 Siskiyou 0.5 mi. W of Cook and Green Pass on road to Lily Pad Lake Comment
  CAS-BOT-BC339856  Solidago multiradiata John Thomas Howell 1939-8-8 15164 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC365245  Solidago velutina subsp. californica Grant 1902-9-14 5205 Siskiyou Dunsmuir Comment
  RSA237488  Solidago velutina subsp. californica Frederick W. Oettinger 1968-9-5 706 Siskiyou English Lake Basin, Salmon Mountains, Marble Mountain Wilderness Area. 1898 Comment
  CDA7677  Sonchus arvensis subsp. uliginosus T. C. Fuller 1963-8-27 11162 Siskiyou South side of Dorris-Tulelake Road where the roadbed forms the north shore of Lower Klamath Lake, Lower Klamath Lake Wildlife Refuge, ca. 12 miles west of Hatfield. 0 Comment
  CAS-BOT-BC421470  Sorbus sitchensis var. sitchensis John Thomas Howell 1937-7-26 13519 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CHSC106101  Sparganium emersum subsp. emersum Lowell Ahart; John Dittes 2010-7-30 1936 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 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  CAS-BOT-BC390719  Spergularia rubra Doris K. Kildale 1928-7-25 5882 Siskiyou Klamath River - Macks Creek near Hamburg 457 Comment
  UCR95629  Spiraea densiflora L. C. Wheeler 1963-9-3 8336 Siskiyou Siskiyou Mtns. Cyclone Gap chrome mine Comment
  CAS-BOT-BC149687  Spiraea douglasii Wm. Bridge Cooke 1938-7-29 11400 Siskiyou Above Bear Springs Comment
  CHSC26173  Spiraea douglasii J. P. Kroessig 1977-8-6 60 Siskiyou Big Castle Lake, ca 8.8 km wnw of Dunsmuir. 1700 Comment
  HSC18900  Spiraea douglasii J. O. Sawyer 1968-9-11 702 Siskiyou Twin Valley 1524 Comment
  HSC19121  Spiraea douglasii J. O. Sawyer 1969-7-9 1066 Siskiyou NE shore of Little Duck Lake 2043 Comment
  POM141116  Spiraea douglasii E. B. Copeland 1903-8-12 3836 Siskiyou Sisson. 1067 Comment
  CAS-BOT-BC152552  Spiraea splendens A. A. Heller 1916-7-22 12484 Siskiyou East side of Mt. Eddy 1676 Comment
  CAS-BOT-BC152553  Spiraea splendens Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-29 s.n. Siskiyou West side of Gumboot Lake, Trinity Mts. 1828 Comment
  SEINET7707976  Spiraea splendens G. D. Butler 1910-7-9 1710 Siskiyou Wooly Creek 1676 Comment
  HSC85692  Spiranthes romanzoffiana J. P. Smith 1980-8-24 10341 Siskiyou Scott Mtn. Campground, head of Mule Creek 1646 Comment
  RSA184651  Stachys emersonii Clare B. Hardham 1965-8-20 13030 Siskiyou Marble Mts., Granite Trail near Cudahy Lakes. 1220 Comment
  RSA184657  Stachys emersonii Clare B. Hardham 1965-8-20 13013 Siskiyou Marble Mountains, Granite Trail, near Cudahy Lakes 1220 Comment
  CHSC106272  Stachys pilosa Lowell Ahart; John Dittes 2010-7-30 16948 Siskiyou In shallow water or on wet soil, on the south edge of the Shasta River, about 80 yards east of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  HSC34128  Stachys rigida J. O. Sawyer 1969-7-23 1181 Siskiyou Along Horse Range Creek 1555 Comment
  RSA580059  Stachys rigida subsp. rigida Louis C. Wheeler 1935-7-26 3715 Siskiyou Jaynes Canyon; Siskiyou Mountains. (Mt. Diablo Mer.) 1951 Comment
  UCD139813  Stenanthium occidentale G. L. Clifton 1975-7-29 6042 Siskiyou near Copper Butte and Seiad Valley. 1328 Comment
  CAS-BOT-BC375642  Stephanomeria lactucina Alice Eastwood 1912-7-17 1207 Siskiyou Sisson Comment
  CAS-BOT-BC375643  Stephanomeria lactucina Alice Eastwood 1912-7-17 1207 a Siskiyou Sisson Comment
  HSC19124  Stephanomeria lactucina J. O. Sawyer 1969-8-4 1796 Siskiyou Along C.C.C. road 1341 Comment
  UC618702  Stephanomeria paniculata unknown 1938-7-22 11316 Siskiyou Sisson Southern Trail Mount Shasta 1219 Comment
  UC166022  Stephanomeria virgata subsp. pleurocarpa Geo. D. Butler 1910-8-7 1814 Siskiyou Humbug Mountain 1066 Comment
  UC166204  Stephanomeria virgata subsp. pleurocarpa Geo. D. Butler 1908-8-30 138 Siskiyou near Fort Jones (along Light hill grade) Comment
  SEINET10603842  Stipa lemmonii Louis C. Wheeler 1935-5-11 Wheeler 3480 Siskiyou Siskiyou Mts., Mt. Diablo Mer. Klamath River at Ash Creek. Low , sunny, formerly wet site. 610 Comment
  HSC92556  Stipa occidentalis var. occidentalis Jennifer Whipple 1976-7-14 1476 Siskiyou SE slope of Mount Eddy draining into the N Fork of the Sacramento River 2195 Comment
  CAS-BOT-BC61126  Streptanthus barbatus A. A. Heller 1918-7-16 13033 Siskiyou Mount Eddy, west of Sisson. 2133 Comment
  CAS-BOT-BC61128  Streptanthus barbatus Alice Eastwood 1912-7-23 1329 Siskiyou Cantara. Comment
  CAS-BOT-BC87855  Streptanthus tortuosus Lincoln Constance; Reed C. Rollins 1942-5-13 2901 Siskiyou Klamath River near Clear Creek, 8 miles south of Happy Camp. 304 Comment
  POM266038  Streptanthus tortuosus Lincoln Constance, Reed C. Rollins 1942-5-13 2901 Siskiyou Klamath River near Clear Creek, 8 miles S of Happy Camp. 305 Comment
  RSA149078  Streptanthus tortuosus I. L. Wiggins, Dorothy Wiggins 1961-6-15 16492 Siskiyou Quarry on Glass Mountain. Comment
  SFV1525  Streptanthus tortuosus J. Major 1961-7-14 636 Siskiyou Mount Shasta, Panther Creek. 1790 Comment
  UCD116311  Streptanthus tortuosus Robert E. Preston 1984-7-25 492 Siskiyou on summit slopes of Little Mt. Hoffman. 2196 Comment
  RSA429547  Streptanthus tortuosus L. S. Rose 1934-4-20 34231 Siskiyou Junction of Klamath River and Shasta River. 915 Comment
  JEPS54030  Streptanthus tortuosus var. orbiculatus Willis L. Jepson 1894-8-4 13405 Siskiyou Mt. Shasta Region of the Upper Sacramento Comment
  HSC61980  Streptanthus tortuosus var. tortuosus Al Hobart 25 Sep [year missing] Siskiyou Preston Peak 1677 Comment
  CAS-BOT-BC516441  Streptopus amplexifolius W. R. Dudley 1907-8-25 s.n. Siskiyou Salmon Mts. Comment
  RSA183493  Streptopus amplexifolius J. M. Tucker 1963-8-19 3771 Siskiyou Headwaters of Canyon Creek, Marble Mountain Wilderness Area. 1951 Comment
  CAS-BOT-BC48105  Suksdorfia ranunculifolia Ira L. Wiggins 1955-7-27 13546 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  UC1539987  Swertia albicaulis M. Mitchell 1936-5-21 40 Siskiyou 0.6 mi sw Fleener Chimney; Lava Beds National Monument 1402 Comment
  HSC68027  Swertia albicaulis var. nitida J. P. Smith, Steve Selva 1970-7-15 4359 Siskiyou Baldy Mtn. Lookout Station 1723 Comment
  RSA498175  Symphoricarpos Chadwick, Chadwick 1911-07 s.n. Siskiyou Shasta Springs. Comment
  RSA43680  Symphoricarpos hesperius H. M. Pollard 1947-9-6 s.n. Siskiyou Dillons Mt. Forest Road. 1220 Comment
  CAS-BOT-BC234788  Symphoricarpos mollis Alice Eastwood 1912-7-15 1068 Siskiyou Mc Cloud [McCloud] Comment
  CAS-BOT-BC234796  Symphoricarpos mollis Alice Eastwood 1912-9-4 2102 a Siskiyou Sisson Comment
  CAS-BOT-BC234800  Symphoricarpos mollis A. A. Heller 1915-8-24 12202 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  HSC18988  Symphoricarpos mollis J. O. Sawyer 1969-6-10 795 Siskiyou Lower SE slope above Sugar Creek, near Sugar Lake. 1799 Comment
  UC166155  Symphyotrichum bracteolatum Geo. D. Butler 1908-8-29 289 Siskiyou near Oro Fino Comment
  CHSC86454  Symphyotrichum campestre Jenny Marr 1993-7-1 71 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NE of Meiss Lake. 1349 Comment
  CAS-BOT-BC97878  Symphyotrichum eatonii Geo. B. Grant 1902-9-11 s.n. Siskiyou Sisson Comment
  CAS-BOT-BC97876  Symphyotrichum eatonii Doris K. Kildale 1925-9-6 1278 Siskiyou Somes Bar, at junction of Salmon & Klamath River 274 Comment
  RSA238709  Symphyotrichum foliaceum var. parryi Frederick W. Oettinger 1969-8-16 1407 Siskiyou Wiregrass Meadow below English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  HSC77012  Symphyotrichum hendersonii K. T. Stillman 1976-7-7 167 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  CAS-BOT-BC98443  Symphyotrichum spathulatum Elmer I. Applegate 1923-8-19 3896 Siskiyou Medicine Lake Comment
  CAS-BOT-BC98439  Symphyotrichum spathulatum C. Edward Graves 1944-8-1 s.n. Siskiyou Mt. Shasta Comment
  OBI55546  Symphyotrichum spathulatum var. spathulatum David J. Keil, Kathleen Keil 1992-7-24 23570 Siskiyou E of McCloud along hwy 89, 7.7 mi W of Shasta County line Comment
  HSC101563  Syringa J. P. Smith, J. O. Sawyer 2010-5-6 12822 Siskiyou Along Rd. 92K02, E of Copco. 778 Comment
  NY342307  Talinum A. A. Heller 1915-8-26 12218 Siskiyou Near the source of the Wagon Creek, Mt. Eddy 2590.8 Comment
  CAS-BOT-BC85237  Taxus brevifolia H. E. Brown 1897-6-1 311 Siskiyou Near Sisson 1082 Comment
  CAS-BOT-BC447418  Tellima grandiflora D. E. Breedlove 1962-6-11 3349 Siskiyou Canyon Creek, about 20 miles west of Fort Jones; Marble Mountains 914 Comment
  POM100448  Thalictrum fendleri Geo. D. Butler 1910-7-8 1672 Siskiyou Shackleford Creek. 1220 Comment
  JEPS68262  Thelypodium brachycarpum L. R. Heckard 1972-5-31 2935 Siskiyou about 2 mi e Gazelle (on road to Weed) Comment
  UC903489  Thelypodium brachycarpum Dorothy Parker 1948-6-11 Siskiyou Yreka Comment
  CAS-BOT-BC88076  Thelypodium brachycarpum R. C. Barneby 1954-5-15 11502 Siskiyou 5.5 miles northwest of Edgewood. 899 Comment
  SEINET10735477 Image available Thelypodium brachycarpum Harvey M. Hall, Ernest B. Babcock Hall 4092 Siskiyou Shasta Valley 914 Comment
  CAS-BOT-BC88116  Thelypodium laciniatum Frank W. Peirson 1923-7-19 3734 Siskiyou Laird's Landing. Comment
  CAS-BOT-BC77714  Thelypteris nevadensis Donald L. Branscomb 1958-7-1 s.n. Siskiyou Bald Mountain Comment
  CHSC110166  Thinopyrum intermedium subsp. barbulatum R. E. Brainerd 2010-8-5 1732 Siskiyou 774 Comment
  JEPS54044  Thlaspi montanum var. montanum J. W. Kisling 1910-4-20 Siskiyou Edgewood Comment
  UC165983  Thlaspi montanum var. montanum Geo. D. Butler 1910-6-4 1503 Siskiyou Shackleford Creek Comment
  UC142669  Tofieldia occidentalis subsp. occidentalis Dr. E. B. Copeland 1903-9-7 3877 Siskiyou Mt. Eddy 1828 Comment
  UC1483561  Tofieldia occidentalis subsp. occidentalis Maralyn A. Renner 1980-6-26 1164 Siskiyou Klamath National Forest 1389 Comment
Read comments
Feb 9 2009
  HSC69543  Tolmiea diplomenziesii Maralyn A. Renner 1980-8-6 2242 Siskiyou FS Rd. 40S07 crossing of Louse Creek 1127 Comment
  UCR222504  Tolmiea menziesii R. F. Thorne 1969-8-2 63396 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
  JEPS49719  Tolmiea menziesii W. L. Jepson 1937-7-30 18516 Siskiyou headwaters of the Illinois River, East Fork Comment
  SEINET5357974  Torreyochloa pauciflora E. Palmer 1892-1 2615 Siskiyou Near Mt. Shasta Comment
  UC164042  Toxicoscordion paniculatum Geo. D. Butler 1909-4-27 790 Siskiyou Quartz Valley Comment
  CHSC91339  Tragopogon dubius Lowell Ahart; John Dittes 2005-6-9 12049 Siskiyou Pasture field, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  CAS-BOT-BC377156  Tragopogon porrifolius Alice Eastwood 1912-7-21 1294 Siskiyou Sisson Comment
  UC163902  Tragopogon pratensis Geo. D. Butler 1910-7-1 1619 Siskiyou Yreka Comment
  JEPS84231  Trautvetteria caroliniensis var. occidentalis L. R. Heckard with J. Hickman et al. 1986-7-17 6524 Siskiyou e Condrey Mt.; Alex Hole region 1980 Comment
  UCD18942  Triantha occidentalis A. H. Murphy 1955-7-27 55 D Siskiyou Klamath National Forest, Marble Mountains, Cold Springs Meadow. 1676 Comment
  CAS-BOT-BC519566  Triantha occidentalis subsp. occidentalis Annie M. Alexander; Louise Kellogg 1949-7-29 5894 Siskiyou Sky High Valley, Marble Mts.: Edge Hidden Lake, above Sky High Lake 1859 Comment
  JEPS2898 Image available Trichostema simulatum Dr. E. B. Copeland 1903-7-2 3534 Siskiyou Klamathon Comment
  UC61693  Trientalis latifolia Geo. B. Grant 1902-9-1 5245 Siskiyou Mount Shasta, Shasta Springs Shasta Springs; Pacific Coast, Mount Shasta, Shasta Springs 609 Comment
  UC353909  Trifolium depauperatum var. depauperatum Milo S. Baker 1927-4-1 2029 a Siskiyou above house (Maple Glen) Comment
Read comments
May 19 2012
  RSA293201  Trifolium dubium J. P. Smith 1973-5-5 6544 Siskiyou Scott Bar along the Scott River. Comment
  UC1190264  Trifolium eriocephalum var. eriocephalum Ira L. Wiggins 1955-7-23 13480 Siskiyou w China Creek (ridge) 1005 Comment
  JEPS48903  Trifolium hybridum Geo. D. Butler 1908-7-8 387 Siskiyou near Yreka (Butler's Ranch, along creek) Comment
  JEPS65928  Trifolium hybridum Geo. D. Butler 1908-7-8 387 Siskiyou near Yreka (Butler's Ranch) Comment
  UC630997  Trifolium hybridum A. A. Heller 1916-6-20 12415 Siskiyou Metcalf's Ranch ne base of Mt. Eddy 1188 Comment
  RSA582432  Trifolium hybridum Louis C. Wheeler 2791 Siskiyou Cottonwood Creek 838 Comment
  JEPS75361  Trifolium obtusiflorum Geo. D. Butler 1909-6-20 914 Siskiyou near Yreka (McNutty's field) Comment
  CAS-BOT-BC230886  Trifolium productum Geo. D. Butler 1910-7-9 1721 Siskiyou Marble Mountain 1828 Comment
  UCD78047  Trifolium repens Robert E. Preston 2003-7-31 2177 Siskiyou Rainbow Mountain, at base of N slope, in upper Antelope Creek Meadow 1661 Comment
  RSA582636  Trifolium repens Louis C. Wheeler 1934-6-8 2660 Siskiyou North Hungry Creek off Hungry Creek Comment
  HSC675  Trifolium wormskioldii William J. Ferlatte 1966-8-2 228 Siskiyou Big Flat, between campground and S fork of the Salmon River 1524 Comment
  JEPS66093  Trifolium wormskioldii Geo. D. Butler 1908-7-2 381 Siskiyou near Yreka (Butler's Ranch) Comment
  HSC59701  Trillium ovatum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5671 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  HSC75147  Trillium ovatum Maralyn O'Meara 1973-6-26 247 Siskiyou 14 mi. from Hwy. 96 on USFS Rd. 46N65 1756 Comment
  UC1197818  Trillium ovatum Joseph P. Tracy 1935-8-1 14409 Siskiyou on ridge between Salmon and New Rivers (at extreme head of W. Fork Knownothing Creek); W. Fork Knownothing Creek 1889 Comment
  HSC30711  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-10 953 Siskiyou High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area; Along inlet brook to Upper English Lake 1768 Comment
  HSC66231  Trillium ovatum subsp. oettingeri Maralyn A. Renner 1980-7-15 1761 Siskiyou English Lake inlet 1780 Comment
  RSA234825  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-10 953 Siskiyou Along inlet brook to Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  RSA234826  Trillium ovatum subsp. oettingeri Frederick W. Oettinger 1969-7-10 956 Siskiyou Base of cliff southwest of Upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1768 Comment
  UCD78065  Trillium ovatum var. oettingeri Robert E. Preston 2001-6-30 1670 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, n of Hemlock Lake. 1767 Comment
  SEINET10506952  Trisetum Mary Susan Taylor 1980-8-18 Taylor 3262 A Siskiyou T43N R1E sw sec 8, Medicine Lake quad. Shasta-Trinity Natl Forest, Little Mount Hoffman, W side, between road and look out. With J. Prouty & E. Heinz. 2225 Comment
  CAS-BOT-BC200093  Trisetum canescens John Thomas Howell 1939-8-9 15199 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  HSC92573  Trisetum wolfii Jennifer Whipple 1978-10-6 2434 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  JEPS29126  Triteleia crocea Lauramay T. Dempster 1961-7-1 1836 Siskiyou just n Horse Creek Drainage (s slope just e White Mountain, just s Oregon boundary); Siskiyou Mountains, Horse Creek drainage, White Mt. 1889 Comment
  CAS-BOT-BC522338  Triteleia hyacinthina Volney Rattan 1879-6-1 s.n. Siskiyou Klamath Comment
  HSC69713  Tsuga mertensiana Maralyn A. Renner 1980-7-15 1772 Siskiyou English Lake inlet 1780 Comment
  JEPS46774  Tsuga mertensiana W. L. Jepson 1907-7-1 Siskiyou near Marble Mt. Comment
  UC915712  Tsuga mertensiana W. L. Jepson July 1907 Siskiyou Marble Mountain; w Siskiyou Co. 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-BC199189  Vaccinium cespitosum John Thomas Howell 1939-8-10 15267 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC199201  Vaccinium cespitosum Harley P. Chandler 1901-6-1 1578 Siskiyou Near Marble Mountain 2133 Comment
  HSC18863  Vaccinium cespitosum J. O. Sawyer 1968-7-22 545 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC19104  Vaccinium cespitosum J. O. Sawyer 1969-8-4 1887 Siskiyou Above S Sugar Lake 2043 Comment
  HSC91310  Vaccinium cespitosum Jennifer Whipple 1976-6-17 1023 Siskiyou Near Durney Lake 2073 Comment
  UC1409422  Vaccinium deliciosum Frederick W. Oettinger 1969-7-14 1013 b Siskiyou Charmaine Lake Salmon Mountains, Marble Mountain Wilderness Area, English P 1920 Comment
  HSC44601  Vaccinium membranaceum Laura Witherspoon 1977-6-22 Siskiyou Dillon Camp 1341 Comment
  UC1409403  Vaccinium membranaceum Frederick W. Oettinger 1968-9-5 721 Siskiyou near Hancock Lake (vicinity of English Peak, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1935 Comment
  CHSC32719  Vaccinium parvifolium J. P. Smith; Steve Selva 1970-7-15 4352 Siskiyou Klamath Nat'l Forest; road to Happy Camp. 731 Comment
  RSA605354  Vaccinium parvifolium L. C. Wheeler 1959-7-25 7600 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  UCD118158  Vaccinium parvifolium J. P. Smith; Steve Selva 1970-7-15 4352 Siskiyou Klamath Nat'l Forest; road to Happy Camp. 731 Comment
  CAS-BOT-BC228830  Vaccinium scoparium Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-19 1929 Siskiyou The Eddys Region, Shasta-Trinity National Forest. Ca. 0.3 km S of Cedar Lake along road to Cliff Lake, headwaters of the Sacramento River 1752 Comment
  HSC19099  Vaccinium scoparium J. O. Sawyer 1969-6-13 1060 Siskiyou W of Little Duck Lake 2043 Comment
  HSC29340  Vaccinium scoparium Frederick W. Oettinger 1968-8-3 370 Siskiyou Marble Mountain Wilderness, mid-trail between Diamond and Hancock Lake 2012 Comment
  POM259584  Vahlodea atropurpurea J. T. Howell 1939-8-3 s.n. Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  UCR219536  Valeriana sitchensis R. F. Thorne, Frederick W. Oettinger 1969-8-4 63361 Siskiyou Salmon Mountains, Klamath National Forest, Marble Mountain Wilderness Area, vicinity of English Peak 2098 Comment
  UC163749  Valerianella locusta Geo. D. Butler 1909-5-20 729 Siskiyou near Yreka Comment
  HSC67681  Vancouveria hexandra John Palmer 1980-7-24 622 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  RSA237916  Veratrum californicum Frederick W. Oettinger 1969-9-2 1590 Siskiyou Meadows above Bear Meadow, near Tom Taylor Cabin. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  HSC91996  Veratrum californicum var. californicum Jennifer Whipple 1976-7-24 1533 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  HSC19101  Veratrum viride J. O. Sawyer 1969-8-4 1812 Siskiyou Above Sugar Lake 2134 Comment
  UCR24867  Verbascum blattaria Don Emery 1981-9-10 s.n. Siskiyou Vacant lot between buildings in the town of Weed Comment
  RSA46972  Verbascum thapsus Carl B. Wolf 1927-8-26 1025 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  HSC72388  Verbascum thapsus J. P. Smith, Steve Selva 1970-8-8 4545 Siskiyou Juanita Lake Comment
  UC1045318  Verbena lasiostachys var. lasiostachys W. Bridge Cooke 1940-6-20 15149 Siskiyou along the Pacific Hwy in the Klamath River Gorge Comment
  HSC72493  Veronica americana J. P. Smith, Steve Selva 1970-6-16 4070 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  HSC2  Veronica americana William J. Ferlatte 1966-6-23 132 Siskiyou Yellow Rose Mine, below mine 1982 Comment
  UC164337  Veronica copelandii Geo. D. Butler 1908-8-3 31 Siskiyou Log Lake, Shackleford Creek Log Lake; , Shackleford Creek Comment
  JEPS16473  Veronica peregrina subsp. xalapensis Geo. D. Butler 1909-5-2 692 Siskiyou Yreka Comment