Search Results — 2000 specimen records retrieved (1356 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
  CAS-BOT-BC78131  Abies X shastensis Elmer I. Applegate 1895-5-30 668 Siskiyou West slope of Mt. Shasta, above Sisson, Strawberry Valley Comment
  HSC69269  Abies X shastensis John Palmer 1980-7-24 640 Siskiyou Dillon Divide 1707 Comment
  SJSU2195  Abies amabilis Mary B. Smith 9/1958 Siskiyou on promontory jutting into N side of Big Hancock Lake Marble Mountains Comment
  HSC69712  Abies concolor Maralyn A. Renner 1980-7-15 1771 Siskiyou English Lake inlet 1780 Comment
  RSA0091808  Abies concolor Bonnie C. Templeton 1968-6-13 11331 Siskiyou Mt. Shasta, on road to ski bowl. 2835 Comment
  RSA624394  Abies concolor L. C. Wheeler 1952-9-17 6938 Siskiyou Unspecified. Comment
  UC637119  Abies grandis Edward Lee 1934-8-12 1053 Siskiyou 0.25 mi w of the mouth Walker Creek (s side of the Klamath River, e end of Seiad Valley); Seiad Valley 426 Comment
  HSC96424  Abies lasiocarpa var. lasiocarpa Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-27 489 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen 2200 Comment
  SD136399  Abies magnifica var. shastensis Helen V. Witham 1969-10-9 640 Siskiyou Mount Shasta 2100 Comment
Read comments Jul 10 2010
  LA206867  Abies procera C. B. Wolf; 1934-7-5 5969 Siskiyou Siskiyou Mountains, 2.8 mi from Dry Lake lookout on rd to Horse Creek 2133 Comment
  CAS-BOT-BC331024  Acer glabrum var. glabrum Alice Eastwood 1912-7-19 1220 Siskiyou Mount Shasta Comment
  HSC31803  Acer glabrum var. torreyi Steve Selva, Roger Jensen 1974-8-16 1 Siskiyou N facing slopes above Sugar Lake Comment
  RSA105402  Acer macrophyllum G. D. Barbe 1955-6-30 62 Siskiyou 1 mile northwest of Forest camp, Etna. Growing along Johnson Creek 945 Comment
  UC18120  Acer macrophyllum T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  HSC22300  Achillea millefolium J. O. Sawyer 1969-8-1 1641 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  JEPS117459  Achillea millefolium Lowell Ahart, John Dittes 2010-7-30 16954 Siskiyou About 30 yards west of the Shasta River, about 50 yards west of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada 716 Comment
  CAS-BOT-BC18875  Achillea millefolium Alice Eastwood 1912-8-30 s.n. Siskiyou Mounty Eddy Comment
  RSA463115  Achillea millefolium var. californica S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  JEPS46215  Achlys triphylla subsp. triphylla A. E. Wieslander 1928-6-14 Siskiyou Cedar Camp Comment
  UC167216  Achnatherum lemmonii Geo. D. Butler 1909-6-13 830 Siskiyou Moffitt Creek Comment
  UC156887  Achnatherum occidentale subsp. californicum Dr. E. B. Copeland 1903-8-16 3896 Siskiyou Mt. Shasta 2438 Comment
  UCD51039  Achnatherum occidentale subsp. californicum L. Whitney 1935-7-15 3475 Siskiyou Bullseye Lake, 2 miles southeast of Medicine Lake. Comment
  UC1265473  Achnatherum occidentale subsp. occidentale Frederick W. Oettinger 1968-9-6 744 a Siskiyou above Tom's Lake (Bear Meadow); Salmon Mtns., High Lake Basins near English Peak, Marble Mtn 2186 Comment
  RSA17729  Achnatherum thurberianum Elmer I. Applegate 1937-6-8 9442 Siskiyou Bearpaw Cave, Lava Beds National Monument. Comment
  CHSC118648  Acmispon denticulatus Richard R. Halse 2016-5-29 9718 Siskiyou Along Hilt Road ca. 2.1 miles northwest of Hilt on the Oregon/California State Line. 876 Comment
  UCD104269  Acmispon nevadensis var. nevadensis R. Tofsrud; J. M. Tucker 1948-8-2 1756 Siskiyou Outskirts of McCloud. Comment
  JEPS111345  Aconitum columbianum Petra Foerster 2007-7-7 Siskiyou Scott Mountain summit forest campground; ; At Summit of Hiway 3, about 3 mi South of Callahan 1645 Comment
  CAS-BOT-BC391519  Aconitum columbianum subsp. columbianum Alice Eastwood 1912-8-30 1952 Siskiyou Mount Eddy Comment
  CHSC84698  Aconitum columbianum var. howellii L. P. Janeway 2003-8-9 7958 Siskiyou Klamath Ranges. Siskiyou Mountains; west side of Echo Lake, between Cook and Green Pass and Red Butte. Small lake in cirque on north side of the ridge. Meadow. 1664 Comment
  CAS-BOT-BC412913  Aconogonon davisiae H. A. Thomas; J. H. Thomas 1954-7-24 4483 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  HSC61848  Aconogonon davisiae Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  CHSC98234  Aconogonon newberryi J. E. Bowlin 1967-7-18 71 Siskiyou On roadside, ca. 3.9 mi w of Mt Shasta Ski Bowl. 2133 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-BC418817  Aconogonon phytolaccifolium Doris K. Kildale 1928-8-20 6604 Siskiyou Lily Pad Lake near Hancock Lookout on trail to Marble Mt. 2133 Comment
  HSC30406  Aconogonon phytolaccifolium Frederick W. Oettinger 1968-8-7 437 Siskiyou Marble Mtn. Wilderness Area, E side of Hancock Lake 1890 Comment
  RSA166283  Actaea rubra subsp. arguta Donald Myrick 1961-6-20 290 Siskiyou Bear Springs on S slope of Mt. Shasta. 1677 Comment
  CAS-BOT-BC29320  Adenocaulon bicolor Doris Kildale 1929-7-21 8745 Siskiyou Elk Lick, south fork Indian Creek Comment
  CHSC69080  Agastache parvifolia Vernon Oswald; Lowell Ahart 1997-7-28 8771 Siskiyou Forest Route 49 (Powder Hill Rd.) at 41N03 (to Porcupine Butte), 16 mi south of Medicine Lake. 1365 Comment
  HSC49956  Agastache parvifolia G. L. Clifton, Ground 1978-6-19 1310 Siskiyou Near Bray, close to the town of Macdoel 1403 Comment
  UC1408771  Agastache urticifolia Frederick W. Oettinger 1969-7-31 1117 Siskiyou due nww English Lake outlet (High Lake Basins in Vicinity of English Peak, Marble Mountain Wilderness Area); Salmon Mountains, Marble Mountain Wilderness Area 1805 Comment
  CAS-BOT-BC29451  Ageratina occidentalis Alice Eastwood 1912-8-30 1972 Siskiyou Mount Eddy Comment
  UC1040749  Ageratina occidentalis B. Crampton 1956-8-21 3843 Siskiyou bench just below junction of Middle Fork with South Fork Sacramento River 1112 Comment
  UC454303  Ageratina occidentalis I. J. Condit 1911-7-1 Siskiyou Sisson Comment
  CAS-BOT-BC29456  Ageratina occidentalis Doris K. Kildale 1928-8-18 6414 Siskiyou North Fork Salmon River at Trinity Camp Comment
  RSA184630  Ageratina occidentalis Clare B. Hardham 1965-8-20 1304 -4 Siskiyou Marble Mountains, near Cudahy lakes. Granite Trail. 1524 Comment
  RSA238746  Agoseris aurantiaca Frederick W. Oettinger 1967-7-26 193 Siskiyou Occasional on Crapo Peak ridge between the Saddle-trail and summit; hot dry site. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2210 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
  UC642578  Agoseris aurantiaca var. aurantiaca W. B. Cooke 1939-7-26 13638 Siskiyou lower portion of the meadow area Panther Creek; Mount Shasta Comment
  HSC2260  Agoseris grandiflora Geo. D. Butler 1910-5-26 1367 Siskiyou Yreka Comment
  CAS-BOT-BC126981  Agrostis exarata Wm. Bridge Cooke 1938-7-29 11410 Siskiyou Mount Shasta. Above Bear Springs. 1676 Comment
  CAS-BOT-BC126989  Agrostis exarata A. A. Heller 1915-7-18 12114 Siskiyou Metcalf's Ranch, northeast base of Mount Eddy. 1249 Comment
  CAS-BOT-BC126991  Agrostis exarata Melissa A. Berry 1957-7-11 s.n. Siskiyou Parrot Mill Road, vicinity of Callahan. 1036 Comment
  CAS-BOT-BC126999  Agrostis exarata Gilbert Muth 1966-7-31 478 Siskiyou Marble Mountains. North side of Black Mountain. 2072 Comment
  HSC30613  Agrostis exarata Frederick W. Oettinger 1968-9-7 755 Siskiyou Marble Mtn. Wilderness Area, along N shoreline of Hancock Lake 1936 Comment
  HSC69385  Agrostis exarata Maralyn A. Renner 1980-8-31 2668 Siskiyou Poker Flat at trailhead to Twin Valley 1524 Comment
  JEPS68388  Agrostis exarata Geo. D. Butler 1909-6-28 852 Siskiyou along creek near Yreka Comment
  UCD52354  Agrostis exarata L. Whitney 1935-7-15 s.n. Siskiyou near Bulls-eye Lake. Comment
  CAS-BOT-BC139559  Agrostis gigantea Melissa A. Berry 1957-7-2 s.n. Siskiyou Fay Lane, Scott Valley. 822 Comment
  RSA115695  Agrostis humilis Beecher Crampton 1956-8-22 3860 Siskiyou Panther Meadow, south slope of Mt. Shasta 2317 Comment
  UCD51758  Agrostis hyemalis R. Tofsrud 1950-7-1 s.n. Siskiyou E. side of Mt. Shasta. Comment
  CAS-BOT-BC138933  Agrostis pallens Doris K. Kildale 1928-8-20 6631 Siskiyou Near head of north fork of Salmon River at Smiley's Upper Camp. 1859 Comment
  HSC30454  Agrostis pallens Frederick W. Oettinger, R. F. Thorne 1969-8-4 1160 Siskiyou Marble Mtn. Wilderness Area, above Half-way Spring, on trail from English Lake to Diamond Lake 1951 Comment
  HSC30521  Agrostis pallens Frederick W. Oettinger 1969-9-3 1612 Siskiyou Marble Mtn. Wilderness Area, Shasta Ridge 2073 Comment
  HSC39913  Agrostis pallens J. P. Smith, Steve Selva 1970-7-16 4391 Siskiyou Along Klamath River, 2 mi. W of Seiad Creek 518 Comment
  UC1265351  Agrostis pallens F. W. Oettinger 1969-8-19 1456 Siskiyou head of wet meadow s big bare area between King David Peak and Abbot's Basin; Salmon Mountains 1905 Comment
  UCD53099  Agrostis pallens E. B. Copeland 1903-9-6 3801 Siskiyou Siskiyou/Trinity County: Mt. Eddy. Comment
Read comments Jun 10 2012
  HSC30449  Agrostis scabra Frederick W. Oettinger 1969-9-4 1637 Siskiyou Marble Mtn. Wilderness Area, near water at outlet to Hancock Lake. 1890 Comment
  RSA238348  Agrostis stolonifera Frederick W. Oettinger 1969-8-16 1397 Siskiyou Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 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
  CDA4910  Alcea rosea T. C. Fuller 1962-8-3 9514 Siskiyou 0.3 miles above Fish Gulch, Horse Creek Canyon Road, Siskiyou Mountains, 5.7 miles northwest of Horse Creek post office. 0 Comment
  HSC42108  Allium amplectens J. O. Sawyer, K. T. Stillman 1976-5-29 2751 Siskiyou Along Specimen Creek 884 Comment
  RSA47814  Allium amplectens Roxana S. Ferris, Laura Lorraine 11720 Siskiyou Schoolhouse Hill, Plowman s Valley (Noyes Valley), E Fork of Scott River. Comment
  RSA50149  Allium amplectens E. K. Balls 1949-7-8 13919 Siskiyou Trail from Scott Mountain Camp to Carmen Lake, Scott Mt. 1753 Comment
  CAS-BOT-BC474036  Allium parvum Dorothy Parker 1946-4-11 122 Siskiyou Plowman's Valley 1188 Comment
  CAS-BOT-BC474037  Allium parvum M. S. Taylor; J. Prouty 1980-6-25 2963 Siskiyou Grizzly Peak and western ridge. 5 mi due e of Lake McCloud 1889 Comment
  JEPS104939  Allium siskiyouense Dean W. Taylor 1996-6-28 15751 Siskiyou Antelope Mountain (about 8 air miles south of Yreka) 1798 Comment
  POM109964  Allium siskiyouense Geo D. Butler 1909-5-3 791 Siskiyou Yreka hills Comment
  HSC22395  Allium validum J. O. Sawyer 1969-7-9 1063 Siskiyou NE shore of Little Duck Lake 2043 Comment
  HSC23661  Allium validum J. O. Sawyer 1969-8-5 1790 Siskiyou Along Sugar Creek. 1921 Comment
  UC843494  Allium validum A. A. Heller 1915-8-26 12233 Siskiyou Mt. Eddy 1828 Comment
  CAS-BOT-BC478032  Allium validum A. A. Heller 1915-8-26 12233 Siskiyou Mt. Eddy in open swampy places in the forest 1828 Comment
  CAS-BOT-BC478035  Allium validum John Thomas Howell 1937-7-23 13356 Siskiyou South Fork of Salmon River near the Big Flat 0 Comment
  HSC30438  Allium validum Frederick W. Oettinger 1968-8-1 343 Siskiyou Salmon Mtns., S shore of Little Hancock Lake 2043 Comment
  HSC45190  Allotropa virgata J. O. Sawyer, E. Cope 1977-6-18 2928 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  CAS-BOT-BC171246  Alnus L. E. Smith 1913-3-29 s.n. Siskiyou McCloud Comment
  POM212071  Alnus incana subsp. tenuifolia C. B. Wolf 1930-10-22 1752 Siskiyou 1 mile W of Mt Shasta City. 1067 Comment
  HSC2384  Alnus viridis subsp. sinuata William J. Ferlatte 1966-8-19 436 Siskiyou Kidd Creek trail 1677 Comment
  UC141954  Alnus viridis subsp. sinuata Harley P. Chandler Jun 1901 1618 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 2133 Comment
  HSC2910  Amaranthus hybridus D. M. Thomson 1965-7-31 157 Siskiyou Lava Beds National Monument, Telephone Line Rd., by dump. Comment
  HSC65142  Amaranthus powellii J. P. Smith, Steve Selva 1970-7-17 4434 Siskiyou Parking lot behind ice machine in Ft. Jones. Comment
  HSC69139  Amelanchier alnifolia Maralyn A. Renner 1980-8-8 2478 Siskiyou Klamath National Forest, near trail, ~0.5 mi. down from Rattlesnake Meadow 1555 Comment
  HSC101840  Amelanchier alnifolia var. semiintegrifolia J. P. Smith, J. O. Sawyer, R. J. Cole 2011-5-22 13177 Siskiyou Along the road from Cecilville to Forks of Salmon. 640 Comment
  RSA68857  Amelanchier pallida A. E. Culbertson 1943-6-26 99 Siskiyou Castle Lake, 5434', in a north facing cirque with an abrupt 1000' backwall; 14 miles s.w. of Mt. Shasta on n. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 air miles of its headwaters to the west. Comment
  SEINET3110844  Amelanchier pallida Steve Selva, Roger Jensen 1974-8-16 7 Siskiyou Above Sugar Lake. Comment
  JEPS74469  Amelanchier utahensis W. J. Ferlatte 1966-6-23 149 Siskiyou Big Flat Trinity Alps (near public camp) 1524 Comment
  HSC63989  Amsinckia intermedia J. P. Smith 1973-5-5 6558 Siskiyou Scott Bar along the Scott River Comment
  UCD119747  Amsinckia menziesii J. T. Howell; T. C. Fuller, G. D. Barbe 1980-4-29 2582 Siskiyou Grenada. 800 Comment
  CAS-BOT-BC26778  Amsinckia propinqua Alice Eastwood 1912-7-20 1260 Siskiyou Hornbrook Comment
  HSC3533  Amsinckia tessellata var. tessellata D. M. Thomson 1965-7-17 149 Siskiyou Lava Beds National Monument, N boundary road by Canbys Cross Comment
  CAS-BOT-BC45214  Anaphalis margaritacea L. E. Smith 1914-7-6 753 Siskiyou Cantara Comment
  UC179644  Anaphalis margaritacea A. A. Heller 1914-8-28 11734 Siskiyou Mt. Eddy 2133 Comment
  HSC24626  Androsace elongata subsp. acuta L. C. Wheeler 1935-4-18 3432 Siskiyou Greenhorn Creek, Siskiyou Mountains, alt. 3100 ft. S30 T45N R7W 945 Comment
  HSC38  Anemone deltoidea William J. Ferlatte 1966-6-22 112 Siskiyou Josephine Lake Basin 1677 Comment
  SJSU6489  Anemone deltoidea R. W. Trivelpiece 1972-6-14 105 Siskiyou Vann Cr near Bear Peak c. 15 mi SW of Happy Camp 1280 Comment
  UC1258456  Anemone deltoidea Maralyn A. Renner 1980-7-14 1717 Siskiyou headwaters Etna Creek (near rd at switchback); Klamath National Forest, headwaters of Etna Creek 1706 Comment
  CAS-BOT-BC391798  Anemone deltoidea Gilbert Muth 1965-8-3 s.n. Siskiyou Pothole in Marble, Marble Valley Comment
  POM365633  Anemone deltoidea M. B. Dunkle 1944-6-25 9000 Siskiyou Siskiyou National Forest. 1677 Comment
  RSA78294  Anemone deltoidea P. A. Munz 1952-7-1 17862 Siskiyou Baldy Mtn road, NW of Happy Camp, Siskiyou Mts. 1220 Comment
  UCR37569  Anemone drummondii L. Linstedt, C. Houseman, M. A. Strull 1984-5-27 62 Siskiyou 0.7 miles from Hwy 3 on road 40N OB 1677 Comment
  POM270535  Anemone drummondii C. L. Hitchcock 1939-7-9 5315 Siskiyou N side of Black Mt. near Marble Mt. (King's Castle). 2073 Comment
  SEINET5337556  Anemone drummondii G. Butler 1910-7-8 1683 Siskiyou Marble Mountain 1676 Comment
  HSC4928  Anemone lyallii J. O. Sawyer 1968-7-2 361 Siskiyou Upper drainage of Joe Creek 1677 Comment
  SBBG2108  Anemone occidentalis H. and M. Dearing 1939-7-1 3781 Siskiyou Salmon Mtn summit 1981 Comment
  UC585141  Anemone occidentalis E. B. Babcock, G. L. Stebbins Jr. 1936-6-13 2005 Siskiyou ca. 1 1/2 mi. w. Mt. Shasta City (e. & n.e. of slope of spur of Rainbow Ridge above Sulloway Creek) 1180 Comment
  HSC22428  Anemone occidentalis J. O. Sawyer 1969-7-2 1024 Siskiyou Crest W of Upper Albert Lake 2256 Comment
  JEPS25818  Angelica arguta Geo. D. Butler 1908-8-3 464 Siskiyou Log Lake, Shackleford Creek hackleford Creek; Log Lake, Shackleford Creek 1524 Comment
  HSC68394  Angelica tomentosa Maralyn A. Renner 1980-6-26 1246 Siskiyou SE edge of Flint Valley. 1390 Comment
  HSC27715  Anisocarpus madioides Carl W. Mize 1972-6-8 15 Siskiyou NW slope 343 Comment
  JEPS33962  Antennaria argentea Duncan Dunning 1922-6-5 Siskiyou Fort Jones; Moffett Creek Comment
  UC796490  Antennaria argentea Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11724 Siskiyou w of, (French Creek Logging Road) Callahan 1066 Comment
  RSA211514  Antennaria media William J. Ferlatte 1967-8-20 1048 Siskiyou Caribou Basin, Sawtooth ridge, steep, north facing slope 2256 Comment
  CAS-BOT-BC84792  Antennaria racemosa Geo. D. Butler 1910-6-4 1502 Siskiyou Shackleford Creek Comment
  UC1190277  Antennaria rosea Ira L. Wiggins 1955-7-27 13536 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area, Caribou Lake 2042 Comment
  UC1409470  Antennaria rosea Frederick W. Oettinger 1969-7-13 1003 Siskiyou n of Upper English Peak; Salmon Mountains, Marble Mountain Wilderness Area, English P 1775 Comment
  RSA237457  Anthemis cotula Frederick W. Oettinger 1968-9-5 719 Siskiyou Along Hancock Lake on a flat, sandy, open area, along the trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  RSA60648  Antirrhinum vexillocalyculatum subsp. breweri Rodney Gregg 1948-8-20 s.n. Siskiyou Along road at Quartz Valley, near Sniktaw Creek. 915 Comment
  CHSC116257  Apera interrupta Barbara L. Wilson; Nick Otting 2014-6-16 18102 Siskiyou Road 26 between Bumboot Lake and Lake Siskiyou. 1371 Comment
  UCD18443  Apera interrupta Steve B. Orloff 2000-5-31 s.n. Siskiyou 4 miles north of Fort Jones, in Scott Valley, in alfalfa field on the SE side of Hwy 3. Comment
  CHSC66536  Apocynum androsaemifolium Vernon H. Oswald 1996-7-12 7997 Siskiyou Everitt Memorial Hwy. (A10) E of Mt. Shasta city between mileposts 5 and 6. 1554 Comment
  UC455929  Apocynum androsaemifolium I. J. Condit 1911-7-14 Siskiyou Shasta Retreat Comment
  HSC26736  Apocynum androsaemifolium J. O. Sawyer 1969-8-18 2019 Siskiyou NW facing slope above Duck Lake Creek. 1616 Comment
  CAS-BOT-BC397938  Aquilegia formosa Annie M. Alexander; Louise Kellogg 1949-7-20 5820 Siskiyou Paradise Lake, Marble Mountains 1920 Comment
  CAS-BOT-BC397947  Aquilegia formosa Gilbert Muth 1965-8-5 s.n. Siskiyou Stream behind Blk. Mt. Comment
  POM95067A  Arabis breweri Geo. D. Butler 1909-5-14 726 Siskiyou Klamath River Comment
  RSA0125742  Arabis breweri Frederick W. Oettinger 1968-9-9 806 Siskiyou Ridge near Tobacco Lake. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1966 Comment
  RSA0126148  Arabis divaricarpa Frederick W. Oettinger 1969-7-11 974 Siskiyou Bank of Hancock Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1936 Comment
  HSC27328  Arabis holboellii var. pinetorum J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5669 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  HSC40072  Arabis holboellii var. retrofracta J. P. Smith, Steve Selva 1970-6-15 3963 Siskiyou 20 mi. E of Cecilville on the road to Callahan. 1646 Comment
  HSC69252  Arabis holboellii var. retrofracta J. O. Sawyer, J. Cole 1980-7-20 3722 Siskiyou Near USFS Rd. 45N05 in center of section 1890 Comment
  HSC74080  Arabis holboellii var. retrofracta J. P. Smith 1978-5-28 9954 Siskiyou Along the N Fork of the Salmon River near Little Rattlesnake Gulch 732 Comment
  HSC77070  Arabis holboellii var. retrofracta K. T. Stillman 1976-6-26 110 Siskiyou Marble Mountain Wilderness Area 2073 Comment
  HSC90274  Arabis oregana D. L. Goforth 1980-6-27 645 Siskiyou Scott River, S of Deep Creek 732 Comment
  HSC92698  Arabis oregana J. P. Smith 1973-5-5 6497 Siskiyou Along Cook and Green Pass Rd. Comment
  POM266029  Arabis oregana Lincoln Constance, Reed C. Rollins 1942-5-13 2915 Siskiyou Scott River 10 miles southwest of Scott Bar. 610 Comment
  RSA0129718  Arabis platysperma var. platysperma Gilbert Muth 1969-8-10 1336 Siskiyou Ridge west of Boulder Peak. 2378 Comment
  HSC79314  Arabis repanda D. H. Norris 1968-7-29 2210 Siskiyou Along trail from Big Flat to Yellow Rose Mine 1677 Comment
  UC589673  Arabis subpinnatifida Douglas Horn 1938-4-17 28 Siskiyou hills e Etna 883 Comment
  CDA24666  Arabis subpinnatifida Doug Horn 1978-4-9 Siskiyou Horn Ranch, Etna. Comment
  CAS-BOT-BC171618  Aralia californica Alice Eastwood 1917-9-2 6703 Siskiyou Shasta Springs Comment
  CDA38201  Aralia californica D. H. Shaw & D. Osterhandt 1978-7-25 s.n. Siskiyou McNeal Creek, near Fork of Salmon. 0 Comment
  RSA639070  Arbutus menziesii L. C. Wheeler 1958-8-18 7394 Siskiyou West Fork Seiad Creek. Comment
  JEPS48994  Arceuthobium Geo. D. Butler 1908-8-5 272 Siskiyou Wooly Creek 1676 Comment
  POM354175  Arceuthobium abietinum Louis C. Wheeler 1934-8-10 3102 Siskiyou Dead Cow Creek, Siskiyou Mtns. (Mt Diablo Mer.) 1890 Comment
  SEINET2471351  Arceuthobium abietinum R. L. Mathiasen 2007-9-18 2007 -49 Siskiyou 41.6 km N. of St. Rte. 96 on forest road 15N01 1420 Comment
  RSA238712  Arceuthobium abietinum Frederick W. Oettinger 1969-8-22 1509 Siskiyou Just west of the outlet and along the shoreline of Horse Range Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1822 Comment
  CHSC75764  Arceuthobium campylopodum Vernon H. Oswald; Lowell Ahart 1999-7-5 9816 Siskiyou Hwy. 3 4.0 mi southeast of Gazelle-Callahan Hwy. 1365 Comment
  SEINET3239865  Arceuthobium monticola R. L. Mathiasen 2003-1 2003 -64 Siskiyou 1.4 km W of Cook and Green Pass. 1640 Comment
  CAS-BOT-BC39007  Arctostaphylos klamathensis Albert Seneres; Stephen Edwards; Nigel Harold 1982-10-5 s.n. Siskiyou Terrace Lake 1920 Comment
  UCD51974  Arctostaphylos manzanita Warren Roberts 1967-9-25 Siskiyou Near Somes Bar. Comment
  RSA463685  Arctostaphylos manzanita subsp. manzanita S. Morgan 1987-7-28 s.n. Siskiyou McGinnis Springs, 5 miles NW of McCloud, Shasta- Trinity National Forest, S of Mt. Shasta. 1768 Comment
  CAS-BOT-BC40022  Arctostaphylos nevadensis John Thomas Howell 1939-8-3 14998 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC45441  Arctostaphylos nevadensis Roxana S. Ferris; Laura Lorraine 1948-6-12 11801 Siskiyou At Mile Creek crossing on Scott Mt. Rd. s. of Callahan. 1493 Comment
  HSC30462  Arctostaphylos nevadensis Frederick W. Oettinger 1968-8-2 366 Siskiyou Marble Mountain Wilderness Area, High Lake Basins, .1 mi. S of Diamond Lake 2073 Comment
  UCD146712  Arctostaphylos nevadensis G. F. Hrusa 1998-7-5 14683 Siskiyou south side of pass on Happy Camp-O' Brien Road around side of State Boundary, above Indian Creek Camp. 750 Comment
  JEPS124855 Image available Arctostaphylos nevadensis Himayat H. Naqvi 1965-7-20 156 Siskiyou 200 feet north of the Ski level club, Mount Shasta. Comment
  CAS-BOT-BC46520  Arctostaphylos patula Doris K. Kildale 1929-7-20 8718 Siskiyou Raspberry Lake, upper Indian Creek. 1828 Comment
  HSC33989  Arctostaphylos patula J. P. Smith 1974-5-25 7481 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  HSC7702  Arctostaphylos patula D. M. Thomson 1965-8-14 190 Siskiyou Lava Beds National Monument, Tickner Rd., 2 mi. SW of Mammoth Crater Comment
  JEPS38839  Arctostaphylos patula J. W. Kisling 1910-4-20 Siskiyou Edgewood Comment
  UC1190132  Arctostaphylos patula Ira L. Wiggins 1955-7-22 13459 Siskiyou ridge w China Creek (s side of river); S Fork of Salmon River 944 Comment
  HSC73329  Arctostaphylos viscida Gail Newton 1980-6-20 489 Siskiyou Near Bald Mtn. 1097 Comment
  RSA15794  Arctostaphylos viscida subsp. viscida C. B. Wolf 1927-8-26 1028 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  UC166197  Arctostaphylos viscida subsp. viscida Geo. D. Butler 1909-4-26 693 Siskiyou Oro Fino hills Comment
  POM208262  Arenaria serpyllifolia L. C. Wheeler 1934-6-4 2641 Siskiyou Ridge E Negro Gulch off Klamath River; Siskiyou Mts. 1067 Comment
  RSA115689  Aristida oligantha Beecher Crampton 1956-8-20 3798 Siskiyou Ditch along US Hwy. 99, 1/2 mile south of Dunsmuir. Comment
  CAS-BOT-BC82079  Arnica Gilbert J. Muth 1969-8-10 1310 Siskiyou Ridge west of Boulder Peak 2225 Comment
  HSC46315  Arnica cernua J. P. Smith 1976-5-4 8655 Siskiyou On the road to Slater Butte, Klamath National Forest 549 Comment
  RSA417122  Arnica cernua J. P. Smith 1973-5-5 6486 Siskiyou Along Cook and Green Pass road. Comment
  RSA78690  Arnica cernua Philip A. Munz 1952-7-2 17879 Siskiyou Baldy Mt. Road, NW of Happy Camp, Siskiyou Mts. 1493 Comment
  RSA30603  Arnica cernua Lincoln Constance, Reed C. Rollins 1942-5-19 s.n. Siskiyou Little Rock Creek, 2 miles SW of O'Brien 488 Comment
  HSC2413  Arnica cordifolia William J. Ferlatte 1966-8-5 338 Siskiyou Caribou Mtn. 2470 Comment
  HSC29303  Arnica cordifolia Frederick W. Oettinger 1969-7-14 1023 Siskiyou High Lake Basins near English Peak; Marble Mountain Wilderness Area, above English Lake outlet along route from Charmaine to English Lake 1921 Comment
  SEINET6774985 Image available Arnica cordifolia G. D. Butler 1910-4-21 1216 Siskiyou Dry hills Oro Fiero [illegible] Comment
  HSC22128  Arnica discoidea J. O. Sawyer 1969-6-11 825 Siskiyou Lower slope near C.C.C. road on the N fork of Horse Range Creek 1357 Comment
  HSC42945  Arnica discoidea J. O. Sawyer, Ken Stillman 1976-7-1 2764 Siskiyou Streamside terraces and lower slopes along the Little N Fork of the Salmon River. 732 Comment
  HSC45165  Arnica discoidea J. O. Sawyer, E. Cope 1977-6-19 2944 Siskiyou Clear Creek Trail between West Fork and Preston Creek 854 Comment
  UC1409500  Arnica discoidea F. W. Oettinger 1969-8-9 1323 Siskiyou along, (between Fivemile Stockgate & Abbott's Upper Cabin, main trail) North Fork Trail; Salmon Mts. 1097 Comment
  SEINET10912115  Arnica diversifolia Andrew Townesmith, Karen M. Meyer 2007-7-30 Townesmith 877 Siskiyou Shasta-Trinity National Forest. Off county road A-10, mile 12.6 (from beginning of road in Mount Shasta City), Panther Meadow campground vicinity. T41N R3W S33. 2284 Comment
  RSA237424  Arnica latifolia Frederick W. Oettinger 1969-8-6 1256 Siskiyou Tom's Lake Basin. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  SBBG21764  Arnica mollis D. Myrick 1964-7-25 966 Siskiyou Panther Meadows below Ski Bowl Lodge, Mt Shasta 2346 Comment
  UCD129198  Arnica mollis A. H. Murphy 1956-8-16 56 Q Siskiyou Klamath N.F. 1981 Comment
  RSA184712  Arnica parryi subsp. sonnei Gilbert Muth 1966-7-31 476 Siskiyou North side of Black Mountain, Marble Mountains 2058 Comment
  UCD70118  Arnica viscosa D. Sanchez-Mata 1997-9-18 s.n. Siskiyou Mount Shasta-McCloud. Snowmans Hill. Ski Park (Mount Shasta) Road. Mount Shasta basis. 1720 Comment
  JEPS93964  Artemisia biennis Vernon H. Oswald and Lowell Ahart 1998-9-16 9648 Siskiyou Tour Route at Lower Klamath National Wildlife Refuge 3 mi s of Highway 161; Lower Klamath National Wildlife Refuge 1243 Comment
  CAS-BOT-BC90474  Artemisia douglasiana A. A. Heller 1914-8-25 11710 Siskiyou Along the railroad embankment near Deetz Station opposite Black Butte 1158 Comment
  HSC58877  Aruncus dioicus var. acuminatus Marvin Butler 1971-8-11 288 Siskiyou Near El Capitan Lake, close to town of Cave Junction 1646 Comment
  RSA605352  Asarum caudatum L. C. Wheeler 1959-7-25 7603 Siskiyou Marble Mountains: Camp Three, Rogers Creek. Comment
  RSA416100  Asarum caudatum L. C. Wheeler 1934-8-9 3071 Siskiyou Jaynes Canyon (Mt. Diablo Mer.) 1738 Comment
  UC1313032  Asarum caudatum J. M. Tucker 1963-7-9 3736 Siskiyou Canyon Creek Trail, ca. 1 mile east of Marble Valley Guard Station, Marble Mountain Wilderness Area 1524 Comment
  CAS-BOT-BC400696  Asarum hartwegii Doris K. Kildale 1929-5-26 9195 Siskiyou Hawkins Bar on Salmon River 609 Comment
  CAS-BOT-BC400707  Asarum hartwegii G. D. Hanna; M. M. Hanna 1956-6-3 s.n. Siskiyou Forest Camp, Hatchet Mt. 39.8 E. of Redding Comment
  CDA39801  Asclepias cordifolia F. D. Horn 1977-5-22 s.n. Siskiyou North shore, Copco Lake, east of Hornbrook. 0 Comment
  SEINET10580346  Asclepias cordifolia E. E. Stanford 1930-6-15 Stanford 1594 Siskiyou Near Shasta City Comment
  SEINET10580356  Asclepias cordifolia F. Marion Ownbey, Fred G. Meyer 1940-7-6 Ownbey 2202 Siskiyou Marble Mountain, Cayene Ridge, S slopes Comment
  SEINET11098485 Image available Asclepias cordifolia Jennifer Hedin 1996-1 228 Siskiyou Lower Mel, R Falls, campground/picnic area Comment
  HSC3281  Asclepias fascicularis R. C. Wunner 1965-7-9 348 Siskiyou Lava Beds N.M. 200 yds. off Hardin Butte Trail to N 0.5 mi. from main road 1341 Comment
  SEINET12283214  Asclepias fascicularis M. Ownbey, Meyer, F. G. 1940-1 2170 Siskiyou Border of meadow along Ditch Creek, near Hornbrook Comment
  JEPS93924  Asclepias speciosa Vernon H. Oswald and Lowell Ahart 1998-8-3 9418 Siskiyou Kangaroo Lake Road (USFS 41N08) 3.9 mi se of Gazelle-Callahan Road at its intersection with USFS 41N10 Kangaroo Lake Road 1554 Comment
  POM76059  Asclepias speciosa Geo. D. Butler 1910-6-8 1557 Siskiyou Dry land near Yreka Comment
  HSC60013  Asparagus officinalis M. A. Baker 1977-6-27 387 Siskiyou Happy Camp. Comment
  CAS-BOT-BC69598  Aspidotis densa Doris K. Kildale 1928-7-25 5913 Siskiyou Klamath River at Mack's Creek, near Hamburg. Comment
  CAS-BOT-BC69599  Aspidotis densa Doris K. Kildale 1929-7-20 8662 Siskiyou Raspberry Lake, upper Indian Creek. 1828 Comment
  HSC46339  Aspidotis densa J. P. Smith 1973-5-5 6492 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  HSC92669  Aspidotis densa Jennifer Whipple 1978-10-6 2390 Siskiyou Mt. Eddy, N-facing slopes in the Eddy Creek Drainage 2317 Comment
  RSA577265  Aspidotis densa L. C. Wheeler 1934-8-13 3112 Siskiyou East Fork Horse Creek Comment
  CAS-BOT-BC69595  Aspidotis densa Donald Branscomb 1958-7-1 s.n. Siskiyou Bald Mountain. Comment
  HSC23618  Aspidotis densa J. O. Sawyer 1969-7-10 1289 Siskiyou E facing slope W of S Sugar Lake 2226 Comment
  UCSB51228  Aspidotis densa Almanza, Ed 1976-7-14 Siskiyou Little Castle Lake meadow, Trinity Mountains 1706 Comment
  RSA671867  Aster F. R. Schallert 1953-8-10 16999 Siskiyou near Mt. Shasta Comment
  POM211816  Aster eatonii L. C. Wheeler 1934-9-19 3284 Siskiyou Walker, Klamath River 518 Comment
  POM261534  Aster eatonii Alice Eastwood 1912-8-28 1954 Siskiyou Cantara Comment
  CAS-BOT-BC177863  Astragalus curvicarpus var. curvicarpus Wm. Bridge Cooke 1940-6-4 15013 Siskiyou Along the Bolam Road Comment
  RSA26469  Astragalus lentiginosus var. salinus Alice Eastwood, J. T. Howell 1940-6-14 8271 Siskiyou Lava Beds National Mon. near Schonchin Butte Comment
  POM259608  Astragalus purshii var. tinctus J. T. Howell 1939-8-4 15055 Siskiyou Marble Rim, Marble Mts 1890 Comment
  RSA275306  Astragalus purshii var. tinctus Jennifer Whipple 1976-5-2 915 Siskiyou Scott Valley near Weston Gulch. Comment
  HSC75390  Astragalus whitneyi var. siskiyouensis J. O. Sawyer, M. Mesler 1980-8-10 4034 Siskiyou S of Carmen Lake, ultramafics of Scott Mtn. 1829 Comment
  CAS-BOT-BC198708  Astragalus whitneyi var. siskiyouensis A. A. Heller 1915-8-26 12220 Siskiyou Near the source of Wagon Creek, Mt. Eddy 2590 Comment
  UCD105505  Astragalus whitneyi var. siskiyouensis Bill Howard 1957-7-24 57 V Siskiyou Head of Middle Fork Sacramento River (south of Mt. Eddy). 1981 Comment
  HSC44583  Asyneuma prenanthoides Laura Witherspoon 1977-8-10 Siskiyou 2 mi. up FS Rd. 12N13 W of Bald Butte 610 Comment
  RSA331952  Athyrium americanum W. Wisura, Dave Kelly 1985-7-31 4084 Siskiyou Mt. Shasta, end of Everitt Memorial Hwy, in Rocky Ravin. Comment
  SBBG54353  Athyrium distentifolium var. americanum D. Copeland 1903-8-16 3917 Siskiyou Mt Shasta 2377 Comment
  RSA237515  Athyrium filix-femina subsp. cyclosorum Frederick W. Oettinger 1967-8-21 315 Siskiyou Outlet stream of Pine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  UC1190386  Athyrium filix-femina var. cyclosorum Ira L. Wiggins 1955-7-24 13500 Siskiyou trail at crossing of China Creek (above diversion dam) 1301 Comment
  UC185243  Athyrium filix-femina var. cyclosorum Geo. D. Butler 1910-7-8 1675 Siskiyou Shackleford Creek 1219 Comment
  CAS-BOT-BC17614  Athysanus pusillus L. E. Smith 1913-5-28 311 Siskiyou Yreka. Comment
  CDA24674  Athysanus pusillus G. D. Barbe, T. C. Fuller, J. T. Howell 1980-4-29 2605 Siskiyou 3 km east of Forest Mountain summit, Highway 3, southwest of Yreka. Comment
  UC166141  Athysanus pusillus Geo. D. Butler 1910-3-27 1145 Siskiyou near Yreka Comment
  CDA2942  Atriplex rosea T. C. Fuller 1963-8-27 11164 Siskiyou North shore of Klamath Lake, south side of Dorris-Tulelake Road, 12.4 miles west of Hatfield. 0 Comment
  SEINET516139  Atriplex rosea Vernon H. Oswald 1998-9-16 9652 Siskiyou Return leg of the Tour Route at Lower Klamath NWR ca. 2 mi south of Hwy. 161. 1244 Comment
  HSC43816  Balsamorhiza deltoidea M. A. Baker 1977-5-22 327 Siskiyou One mile west of Hwy. 3, on the road to Little Duck and Sugar Lakes Comment
  RSA47625  Balsamorhiza hookeri Roxana S. Ferris, Laura Lorraine 1948-6-12 11713 Siskiyou Schoolhouse Hill, Plowman's Valley [Noyes Valley], East Fork of Scott River Comment
  UC1732046  Balsamorhiza lanata Dean Wm. Taylor with Craig Martz, Joe Molter, Barbara Williams, Julie Nelson 1997-5-4 15981 Siskiyou ca. 4 air mi. s.w. Gazelle (hillslopes of Scott Mts. along the Yreka Ditch, bordering Shasta Valley); Klamath Region (KR), China Mt. Quad., Scott Mts. 960 Comment
  UC912516  Balsamorhiza lanata Herbert L. Mason 1929-5-18 5330 Siskiyou Yreka Comment
  HSC86999  Balsamorhiza sagittata Brent Helm, Curtis Miller, Mark Steiger 1988-3-28 34 Siskiyou Mouth of Shasta River on Hwy. 96 Comment
  POM350743  Balsamorhiza terebinthacea M. A. Baker 1977-5-22 327 Siskiyou One mile west of Hwy 3 on moist south-facing bank of road to Little Duck Lake and Sugar Lake. Comment
  RSA181626  Balsamorhiza terebinthacea Dorothy Parker 1951-5-20 515 Siskiyou Near summit of Scott Mt. 1625 Comment
  CAS-BOT-BC16685  Barbarea orthoceras John Thomas Howell 1939-8-10 15273 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  CAS-BOT-BC16689  Barbarea orthoceras Doris K. Kildale 1929-7-20 8700 Siskiyou Raspberry Lake. South Fork India[n] Creek. Comment
  CAS-BOT-BC16690  Barbarea orthoceras L. E. Smith 1914-5-5 653 Siskiyou Dunsmuir. Comment
  HSC34001  Barbarea orthoceras J. P. Smith 1974-5-25 7487 Siskiyou Along Rd. 8, 4.7 mi. W of its junction with Hwy. 3 1159 Comment
  UCD77420  Barbarea orthoceras Robert E. Preston 2001-6-30 1642 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W se 1/4 of nw 1/4 Section 14 1722 Comment
  HSC4358  Bassia hyssopifolia L. C. Wheeler 1934-10-21 3332 Siskiyou Shasta Valley 4 mi. E of Grenada 869 Comment
  HSC44617  Berberis aquifolium var. aquifolium Laura Witherspoon 1977-5-20 Siskiyou Along rd. to Stewart Springs 1067 Comment
  UC718153  Berberis aquifolium var. aquifolium Carl B. Wolf 1934-7-5 5973 Siskiyou 7 mi from Oak Knoll Ranger Station (on Klamath River, on rd to Dry Lake Lookout); Siskiyou Mts 1371 Comment
Read comments Mar 29 2012
  HSC27230  Berberis aquifolium var. repens J. P. Smith, J. O. Sawyer 1971-9-18 4804 Siskiyou 0.2 mi. W of the jct. of Hwy. 3 and Rd. 8 N of Callahan. Comment
  HSC77494  Berberis aquifolium var. repens L. P. Janeway, J. L. Ramstedt 1983-7-9 395 Siskiyou E of Preston Peak 1402 Comment
  CAS-BOT-BC75730  Berberis nervosa Geo. D. Butler 1910-5-5 1287 1/2 Siskiyou Humbug Creek. Comment
  HSC73992  Berberis nervosa Gail Newton 1980-6-20 524 Siskiyou Near Bald Mtn. 1326 Comment
  CAS-BOT-BC76011  Berberis pumila Alice Eastwood 1923-5-29 11987 Siskiyou Cantara. Comment
  CAS-BOT-BC169476  Betula occidentalis A. A. Heller 1915-7-18 12133 Siskiyou MetCalf's ranch, NE base of Mt. Eddy 1188 Comment
  CAS-BOT-BC169488  Betula occidentalis W. R. Dudley 1901-8-26 s.n. Siskiyou Salmon Mountains Comment
  UC1192188  Bidens cernua Verne Grant and Irving Schneider 1947-8-26 8295 Siskiyou irrigation ditch w of Tule Lake Comment
  CDA10501  Bidens cernua G. Deal 1964-8-31 Siskiyou Lower Lake Road, 0.5 mile west of So. Merrill Road, Tulelake. 0 Comment
  HSC42937  Bidens frondosa Ken Stillman 1976-8-24 437 Siskiyou Along the Klamath River at Williams Point 366 Comment
  CAS-BOT-BC413076  Bistorta bistortoides H. A. Thomas; J. H. Thomas 1954-7-24 4496 Siskiyou Salmon - Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville 1981 Comment
  HSC92953  Bistorta bistortoides Jennifer Whipple 1976-7-1 1242 Siskiyou Near Durney Lake 2073 Comment
  UC166059  Blepharipappus scaber Geo. D. Butler 1910-5-17 1355 Siskiyou Yreka Comment
  CAS-BOT-BC127975  Blepharipappus scaber David D. Keck 1949-7-19 6356 Siskiyou 6.5 mi. SW of Yreka on Road to Ft. Jones, nr. head of Yreka Creek at first spring Serpentine outcropping here. 1127 Comment
  UC1090387  Blepharipappus scaber Milo S. Baker 1957-6-16 13167 Siskiyou turn off near Callahan (Scott Mt.); Scott Mt. Comment
  UC1783914  Boechera pauciflora Geo. D. Butler 1908-8-4 125 Siskiyou head of Shackelford Creek 1676 Comment
  CAS-BOT-BC25615  Boechera retrofracta John Thomas Howell 1939-8-4 15048 Siskiyou Marble Mountains. Marble River. 1889 Comment
  CAS-BOT-BC25618  Boechera retrofracta Roxana S. Ferris; Laura Lorraine 1948-6-12 11858 Siskiyou 1.5 miles below summit of Gazelle Moutain grade, east side. 1417 Comment
  CAS-BOT-BC25619  Boechera retrofracta Roxana S. Ferris; Laura Lorraine 1948-6-12 11762 Siskiyou East fork of Scott River one mile north of Callahan. Comment
  CAS-BOT-BC25872  Boechera subpinnatifida Lincoln Constance; Reed Clark Rollins 1942-5-14 2931 Siskiyou Klamath-Siskiyou Region. Shasta River 6 miles north of Yreka. 762 Comment
  POM32013  Boisduvalia densiflora E. B. Copeland 1903-7-7 3543 Siskiyou Hornbrook. Comment
  JEPS64003  Bolboschoenus maritimus W. L. Jepson 1940-6-23 20030 Siskiyou e Grenada (Shasta Valley); , e of Grenada 975 Comment
  HSC72872  Boschniakia strobilacea M. A. Baker 1980-6-20 2206 Siskiyou Near Bald Mtn. 1036 Comment
  UC171182  Boschniakia strobilacea unknown 1892-1 Siskiyou Sissons. Comment
  HSC60900  Botrychium multifidum Al Hobart Siskiyou Black Butte Comment
  RSA84355  Boykinia major F. W. Peirson 1926-7-11 7022 Siskiyou About half way up grade W of Etna or Etna Mills. Comment
  CAS-BOT-BC418419  Boykinia occidentalis Doris K. Kildale 1929-7-20 8547 Siskiyou South Fork Indian Creek near Gilmore's 457 Comment
  UC163913  Brickellia californica Geo. D. Butler 1909-9-20 948 Siskiyou near Yreka Comment
  CHSC63594  Brickellia greenei Vernon H. Oswald; Lowell Ahart 1994-8-1 6417 A Siskiyou Forest Rd. 26 paralleling the South Fork of the Sacramento River, 1.5 mi E of Forest Rd. 40N43, 7.8 mi SW of the dam at Lake Siskiyou. 1341 Comment
  SEINET5707333 Image available Brickellia greenei Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7693 Siskiyou Scott Mts. Collected along Road 17, 8.8 mi. SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 1586 Comment
  POM147663  Brickellia greenei Alice Eastwood 1912-8-30 2093 Siskiyou Mount Eddy Comment
  CAS-BOT-BC149054  Bromus carinatus var. carinatus R. E. Frenkel 1963-7-13 223 Siskiyou On Everitt Memorial Highway, 0.4 mile north of McCloud River Railroad crossing near Mount Shasta. 1176 Comment
  JEPS69187  Bromus hordeaceus Geo. D. Butler 1909-6-5 825 Siskiyou meadow near Yreka Comment
  JEPS80603  Bromus orcuttianus Gilbert Muth 1966-7-29 460 Siskiyou Marble Mountains Wilderness Area, Marble Valley Marble Valley; Marble Mountains Wilderness Area, Marble Valley 1798 Comment
  UC1265365  Bromus orcuttianus F. W. Oettinger 1969-8-16 1392 Siskiyou near English Lake (Salmon Mountains, w Siskiyou County); Salmon Mountains 1706 Comment
  CAS-BOT-BC185094  Bromus pumpellianus A. A. Heller 1905-6-1 7935 Siskiyou Along the Sacramento River near Shasta Retreat. Between Upper Soda Spring and Shasta Retreat. 3048 Comment
  CAS-BOT-BC185594  Bromus tectorum A. A. Heller 1905-6-9 8012 Siskiyou Montague. Comment
  HSC76905  Bromus tectorum K. T. Stillman 1976-9-10 503 Siskiyou Marble Mountain Wilderness Area, across marble on E side of Black Mountain 2104 Comment
  HSC68536  Bromus vulgaris Maralyn A. Renner 1980-6-25 1100 Siskiyou Little South Fork Indian Creek, W Fork 1220 Comment
  HSC92322  Calamagrostis breweri Jennifer Whipple 1976-9-3 1779 Siskiyou W facing slope of ridge between Durney Lake and Little Crater Lake 2409 Comment
  RSA602389  Calamagrostis canadensis L. C. Wheeler 1935-7-26 3716 Siskiyou Jaynes Canyon; Siskiyou Mountains. (Mt. Diablo Mer.) 1951 Comment
  CAS-BOT-BC185264  Calamagrostis koelerioides A. A. Heller 1915-8-26 12243 Siskiyou North side of Mount Eddy. Comment
  UC1265353  Calamagrostis koelerioides Frederick W. Oettinger and R. F. Thorne 1969-8-4 1162 Siskiyou above Halfway Spring (on trail from English Lake to Diamond Lake, w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 1828 Comment
  UC1265435  Calamagrostis koelerioides F. W. Oettinger 1969-9-3 683 Siskiyou slope w Horse Range Lake (nw of Horse's Hole Pond); Salmon Mountains 1920 Comment
  CAS-BOT-BC185256  Calamagrostis koelerioides W. R. Dudley 1901-8-23 s.n. Siskiyou Slope and top of Foxtail Ridge. Comment
  CHSC118255  Callitriche palustris R. E. Brainerd; N. Otting 2013-7-12 2187 Siskiyou Klamath Mountains. Marble Mountains Wilderness Area. Upper Big Meadow, ca. 0.9 air mile northeast of Upper Wright Lake. UTM Zone 10 494918E 4604536N WGS84. 2167 Comment
  UC1265403  Callitriche verna Frederick W. Oettinger 1969-9-4 1624 b Siskiyou Diamond Lake Salmon Mountains, Marble Mountain Wilderness Area (vicinity of English Peak, w Siskiyou County) 2072 Comment
  RSA237959  Callitriche verna Frederick W. Oettinger 1969-8-24 1519 Siskiyou Inlet of upper English Lake. Salmon Mtns.; High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  HSC65409  Callitropsis nootkatensis Rich White 1978-7-3 204 Siskiyou Saddle in Spur Ridge between Dillon Trail and 5759 1662 Comment
  UC813615  Calocedrus decurrens A. A. Heller 1915-8-26 12254 Siskiyou at the foot Mt. Eddy (Metcalf's Ranch) 1188 Comment
  LA6441  Calocedrus decurrens Wm. Bridge Cooke; 1939-7-28 13786 Siskiyou Mount Shasta, along the Sisson Southern Trail 1676 Comment
  JEPS113327  Calochortus elegans L. P. Janeway 2006-7-4 8795 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. Comment
  CAS-BOT-BC32305  Calochortus elegans var. nanus Marion Ownbey; Mrs. Ruth Peck Ownbey 1938-7-19 1748 Siskiyou 2.5 miles NE of Dry Lake Lookout, summit of Siskiyou Mountains Comment
  CAS-BOT-BC488603  Calochortus elegans var. nanus Marion Ownbey; D. H. Brown 1941-6-23 2429 Siskiyou On ridge near Gunsight Peak, Mountains west of Yreka Comment
  CAS-BOT-BC488611  Calochortus elegans var. nanus C. L. Hitchcock; J. S. Martin 1939-7-9 5335 Siskiyou Paradise Lake, near King's Castle 1767 Comment
  CHSC41222  Calochortus nudus J. D. Jokerst 1983-7-6 1833 Siskiyou Sand Flat Well. Near the north-south oriented USFS road that traverses east edge of meadow. Ca. 5 mi. N of Pondosa and Hwy. 89. Comment
  RSA249716  Calochortus nudus Frederick W. Oettinger 1969-7-25 s.n. Siskiyou Scott Mts., Shasta-Trinity National Forest: ca. 15 air mi. SW of Weed near Kangaroo Lake Campground. Comment
  SEINET8214323  Calochortus persistens Frank T. Callahan 1972-7-15 Siskiyou Gunsight Peak, Mahogany Pt; west of Yreka, California. 1896 Comment
  HSC44915  Calochortus tolmiei J. P. Smith 1973-5-5 6483 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC181503  Caltha leptosepala Doris K. Kildale 1928-8-19 6513 Siskiyou English Lake, head of north fork of Salmon River Comment
  CAS-BOT-BC181511  Caltha leptosepala Harley P. Chandler 1901-6-1 1571 Siskiyou Ridges and meadows near Marble Mountain 1828 Comment
  CHSC29774  Caltha leptosepala var. biflora M. S. Taylor; W. Roderick, B. Williams 1980-6-4 2778 Siskiyou Bog around Cedar Lake. 1737 Comment
  RSA47126  Calycadenia ciliosa Doris K. Kildale 1925-9-6 1288 Siskiyou Somes Bar Comment
  CAS-BOT-BC273389  Calycadenia fremontii David D. Keck 1938-8-7 4851 Siskiyou Schoolhouse Hill, 5.5 m. NE of Callahan, on road to Gazelle 1100 Comment
  UC89038  Calycadenia truncata K. Brandegee 1887-7-1 Siskiyou Edgewood Comment
  CAS-BOT-BC272744  Calycadenia truncata subsp. truncata Geo. D. Butler 1910-7-30 1801 Siskiyou Near Yreka Comment
  CAS-BOT-BC272752  Calycadenia truncata subsp. truncata Ella Dales Cantelow 1938-10-23 2378 Siskiyou 16 mi. n.w. of Yreka, Klamath River Hy. #96 Comment
  RSA184809  Calypso bulbosa Gilbert Muth 1966-7-14 395 Siskiyou Trail to Black Mountain, Marble Mountains. Comment
  CHSC99719  Calyptridium monospermum L. P. Janeway 2008-7-24 9481 Siskiyou Klamath Ranges. Siskiyou Mountains; crest of the mountain 2.1 air km northeast of Condrey Mountain. 2115 Comment
  HSC22851  Calyptridium monospermum J. O. Sawyer 1969-7-9 1269 Siskiyou Summit above S Sugar Lake. 2378 Comment
  UC625479  Calyptridium monospermum Frank W. Gould 1938-6-27 481 Siskiyou 3 mi n of Mount Shasta (town) (near hwy U.S. 99) 1082 Comment
  CAS-BOT-BC94470  Calyptridium umbellatum R. C. Wenk 2005-7-19 335 Siskiyou Along Pacific Crest Trail, near top of pass below Mt. Eddy 2438 Comment
  UC456010  Calystegia I. J. Condit 1911-7-5 Siskiyou Shasta Retreat , Shasta Retreat (Mt. Bradley) 1524 Comment
  CAS-BOT-BC221253  Calystegia malacophylla subsp. malacophylla A. A. Heller 1905-6-5 7988 Siskiyou Shasta Springs Comment
  UC456006  Calystegia malacophylla subsp. malacophylla I. J. Condit 1911-7-5 Siskiyou Mt. Bradley near Shasta Retreat; Mt. Bradley near Shasta Retreat 1524 Comment
  CAS-BOT-BC221260  Calystegia malacophylla subsp. malacophylla A. A. Heller 1919-6-27 13280 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  CAS-BOT-BC221262  Calystegia malacophylla subsp. malacophylla L. E. Smith 1913-7-12 479 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC36992  Camelina microcarpa L. E. Smith 1913-6-5 415 Siskiyou Montague. Comment
  HSC64498  Camissonia tanacetifolia J. P. Smith, Steve Selva 1970-8-9 4586 Siskiyou By Grass Lake Comment
  RSA8246  Camissonia tanacetifolia subsp. tanacetifolia Elmer I. Applegate 1923-8-19 3881 Siskiyou West end of Medicine Lake Comment
  UC164334  Campanula prenanthoides Geo. D. Butler 1910-8-7 1815 Siskiyou Humbug Mountain 1219 Comment
  RSA456183  Campanula prenanthoides M. B. Dunkle 1944-7-15 9097 Siskiyou Siskiyou Natl. Forest Comment
  SEINET10463086  Campanula prenanthoides Kildale 1928-7-3 KILDALE 5442 Siskiyou Little North Fork of Salmon River near mouth Comment
  SEINET10463156  Campanula prenanthoides Whiteley 1975-6-22 WHITELEY 37 Siskiyou Klamath National Forest along highway 96 near Somes Bar. T12N R6E Sec. 33 219 Comment
  SEINET10463159  Campanula prenanthoides Rose 1945-7-22 Rose 45153 Siskiyou Horse Creek and Klamath River. 503 Comment
  SEINET10463161  Campanula prenanthoides Cyrus G. Pringle 1881-8-16 Pringle s.n. Siskiyou Comment
  SEINET10840346  Campanula prenanthoides Alice Eastwood 1912-7-21 Eastwood 1275 Siskiyou Sisson Comment
  SEINET10939016  Campanula prenanthoides Hutchinson 1932-7-7 HUTCHINSON 4226 Siskiyou Salmon Mountains; near north Fork of Salmon River between Sine's Bar and Fork of Salmon 274 Comment
  CAS-BOT-BC266451  Campanula scabrella Alice Eastwood 1912-8-30 2010 Siskiyou Mount Eddy Comment
  HSC91399  Campanula scabrella Jennifer Whipple 1976-7-7 1334 Siskiyou N slopes of Mt. Eddy. 2439 Comment
  SEINET10463386  Campanula scabrella Muth 1978-8-2 MUTH 6762 Siskiyou Near South China Mountain, on the China Mountain quadrangle, close to the town of Callahan 2348 Comment
  SEINET10872957  Campanula scouleri Louis Krautter 1905-7-7 Krautter s.n. Siskiyou NEAR SISSON, DENSE WOODS 1067 Comment
  SEINET191618  Campanula scouleri Marion Ownbey, Fred G Meyer 1940-7-8 2226 Siskiyou 18 mi N of Happy Camp near summit of Siskiyou Mountains. Comment
  UC29022  Campanula scouleri Edward L. Greene 1876-8-22 1010 Siskiyou Scott Mountain 1828 Comment
  SEINET10463875  Campanula wilkinsiana Baker 1899-7-31 Baker s.n. Siskiyou West slope of Mount Shasta, on Ash Creek Comment
  SEINET10463889  Campanula wilkinsiana Ferlatte 1966-8-19 FERLATTE 446 Siskiyou KIDD CREEK TRAIL, STREAM BANK DENSELY WOODED CANYON. T37N R9W SEC.32 1676 Comment
  SEINET10463891  Campanula wilkinsiana D'Evelyn 1931-8-10 D'EVELYN s.n. Siskiyou CREEK BED NEAR RED CAP, SCARCE 2438 Comment
  SEINET10972124  Campanula wilkinsiana Graves 1944-8-28 GRAVES s.n. Siskiyou Panther Meadows, Mt. Shasta Comment
  UC618905  Cardamine bellidifolia var. pachyphylla Reed Rollins 1938-9-8 11647 Siskiyou n slope Red Butte (Mount Shasta); , n slope Red Butte Comment
  CAS-BOT-BC37747  Cardamine californica L. E. Smith 1915-4-25 13272 Siskiyou Sisson. Comment
  JEPS53319  Cardaria draba W. L. Kleaver 1915-5-20 Siskiyou Yreka Comment
  UC1982127  Carex Robert F. Thorne and Fred Oettinger 1969-8-10 38977 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta Comment
  CAS-BOT-BC19773  Carex abrupta K. T. Stillman 1976-7-15 257 Siskiyou Marble Mountain Wilderness Area. 1950 Comment
  UC1265325  Carex abrupta Frederick W. Oettinger 1968-9-6 803 Siskiyou on w shore of Hancock Lake Salmon Mountains, Marble Mountain Wilderness Area 1889 Comment
  CAS-BOT-BC17861  Carex amplifolia J. H. Thomas 1954-5-14 4181 Siskiyou Trinity National Forest. Salmon Mountains. Near South Fork of Salmon River, 5 to 9 miles southeast of Cecilville. 1219 Comment
  UC144184  Carex amplifolia A. A. Heller 1905-6-5 7982 Siskiyou between Shasta Retreat and Shasta Springs Comment
  RSA275287  Carex amplifolia J. P. Smith, J. O. Sawyer, Maralyn O Meara 1972-7-4 5730 Siskiyou 0.9 miles south of Sugar Creek on Parrott Mill Road 1341 Comment
  CAS-BOT-BC17960  Carex angustata William Bridge Cooke 1939-7-7 13618 Siskiyou Mount Shasta. In the bog formed by the lower Wagon Camp Springs. 1737 Comment
  RSA119350  Carex aquatilis S. S. Tillett 1956-7-9 639 Siskiyou E of Scott Mountain, ca. 8 mi. SE of Callahan. Trinity-Siskiyou Cos line. 1829 Comment
  UCR228240  Carex atherodes Peter F. Zika 2010-7-21 25197 Siskiyou Cascade Range Highlands, Grass Lake, on north side of Route 97, 0.4 road miles east northeast of Grass Lake Rest Area 1540 Comment
  CAS-BOT-BC18131  Carex athrostachya John Thomas Howell 1939-8-8 15139 Siskiyou Marble Mountains. Between Sky High Valley and Marble Valley. Comment
  HSC26099  Carex athrostachya J. O. Sawyer 1969-7-9 1204 Siskiyou Near C.C.C. road, N of Sugar Creek 1433 Comment
  SEINET8258306  Carex aurea Elmer I. Applegate 1895-5-28 779 Siskiyou Sisson, Strawberry Valley, Siskiyou County Comment
  CAS-BOT-BC19562  Carex bolanderi H. A. Thomas; J. H. Thomas 1954-7-21 4416 Siskiyou Salmon - Trinity Mountains. About 6 miles SE of Cecilville. West side of Rush Creek. 1158 Comment
  CAS-BOT-BC19657  Carex brainerdii John Thomas Howell 1939-8-3 15008 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  CHSC38999  Carex capitata J. D. Jokerst 1983-7-5 1823 Siskiyou Upper margins of the wet meadow of Atkin's Meadow in its NE corner. Comment
  CAS-BOT-BC34381  Carex cusickii Elmer I. Applegate 1895-5-28 781 Siskiyou Sisson, Strawberry Valley. Comment
  UC196157  Carex densa Geo. D. Butler 1909-7-10 809 Siskiyou along creek below Yreka Comment
  JEPS121615  Carex echinata Danielle Roach 2011-9-13 Siskiyou Bogbean Fen, Caldwell Lakes Basin, headwaters of Parks Creek, east slope of China Mountain. Flat fen, over gabbro. China Mountain quadrangle. CLB_C Comment
  HSC39256  Carex echinata subsp. echinata J. O. Sawyer 1969-8-5 1754 Siskiyou W of Little Duck Lake 2073 Comment
  HSC96590  Carex echinata subsp. echinata Gordon Leppig, Tony LaBanca, Leonel Arguello 1997-6-19 478 Siskiyou Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  HSC97426  Carex feta Gail Newton 1980-6-20 461 Siskiyou Near Bald Mtn. 1097 Comment
  CAS-BOT-BC20746  Carex fracta William Bridge Cooke 1938-7-15 11263 Siskiyou Mt. Shasta. 1737 Comment
  JEPS88650  Carex fracta Dean W. Taylor 1987-8-5 9227 Siskiyou Tate Creek at crossing of Forest Road 36N06 McCloud River Watershed, Tate Creek 1484 Comment
  JEPS95113  Carex halliana Vernon Oswald and Lowell Ahart 1997-7-28 8798 Siskiyou s of Schonchin Spring Campground at Medicine Lake Medicine Lake 2057 Comment
  HSC76795  Carex hoodii L. P. Janeway 1982-7-2 35 Siskiyou Poker Flat, end of FS Rd. 18N33 1524 Comment
  CHSC109983  Carex interior Peter F. Zika; Barbara Wilson 2011-7-31 25669 Siskiyou FS Road 41N03, 1.6 road miles from junction with Gazelle-Callahan Road, 1.5 air miles NE of Mountain House, 3.5 air miles NW of Crater Lake, Scott Mountains, Klamath Range (KR). 1600 Comment
  CAS-BOT-BC35477  Carex jonesii T. C. Fuller 1962-6-13 8982 Siskiyou meadow of Toad Well, road to Medicine Lake, ca. 12 mi. N of Bartle Comment
  CAS-BOT-BC35522  Carex jonesii J. W. Stacey 1939-7-7 13617 Siskiyou In the Wagon Camp Sedge Swamp 1737 Comment
  CAS-BOT-BC7578  Carex laeviculmis Doris K. Kildale 1928-8-19 6521 Siskiyou English Lake, head of north Fork of Salmon River Comment
  SEINET7564603 Image available Carex lenticularis var. impressa Ray Tallent 1987-8-12 897 b Siskiyou Klmath National Forest. 1939 Comment
  CAS-BOT-BC28429  Carex lenticularis var. lipocarpa John Thomas Howell 1939-8-7 15128 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC28433  Carex lenticularis var. lipocarpa John Thomas Howell 1937-7-25 13473 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  UC1265339  Carex lenticularis var. lipocarpa Frederick W. Oettinger 1968-9-7 750 Siskiyou n side Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area 2042 Comment
  CAS-BOT-BC28428  Carex lenticularis var. lipocarpa William Bridge Cooke 1939-7-7 13613 Siskiyou In the bog formed by the lower Wagon Camp springs. 1737 Comment
  CHSC106525  Carex luzulina Peter F. Zika 2009-6-18 24534 Siskiyou Klamath Range (KR). Meadow near Pacific Crest Trail, Route 3, Scott Mountain Summit. 1640 Comment
  HSC39767  Carex mendocinensis J. P. Smith, Steve Selva 1970-7-15 4346 Siskiyou 2 mi. below the Baldy Mt. Lookout Station. Comment
  SEINET3138438  Carex mertensii R. Tallent 1987-8-12 900 Siskiyou Klamath NF, T39N R9W Sec. 32 SE 1/4; Long Gulch Lake near where the creek exits the lake 1940 Comment
  CAS-BOT-BC32001  Carex multicaulis John Thomas Howell 1937-7-26 13556 Siskiyou Caribou Gulch Comment
  CAS-BOT-BC32006  Carex multicaulis Elmer Ivan Applegate 1895-5-28 784 Siskiyou Sisson, Strawberry Valley. Comment
  HSC45958  Carex multicaulis J. P. Smith 1973-5-5 6406 Siskiyou In and around the O'Neill Campground near Seiad Valley. 488 Comment
  CDA33113  Carex multicaulis T. C. Fuller 1962-6-11 8963 Siskiyou East side of Hwy 99 to Black Butte Summit, 4.1 miles south of Weed. 0 Comment
  RSA610010  Carex multicaulis L. C. Wheeler 1935-6-9 3558 Siskiyou Yreka Creek, Siskiyou Mountains. 1220 Comment
  SEINET7568467 Image available Carex multicaulis David Castaner 1989-6-19 10243 Siskiyou Trinity Creek campground, along Highway 3 by Trinity River, North Trinity Center. Comment
  CAS-BOT-BC23425  Carex multicostata John Thomas Howell 1939-8-2 14908 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UCD77481  Carex multicostata Robert E. Preston 2001-7-21 1717 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W ne 1/4 Section 22 2042 Comment
  HSC100085  Carex nardina Dana York 2011-8-13 3059 Siskiyou Klamath National Forest, Slopes of Black Mountain. 2105 Comment
  RSA237290  Carex nigricans Frederick W. Oettinger 1968-8-2 359 Siskiyou East end of Diamond Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  RSA237298  Carex nigricans Frederick W. Oettinger, Robert F. Thorne 1969-8-6 1261 Siskiyou West of Tom s lower pond. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  RSA237319  Carex nigricans Frederick W. Oettinger, Robert F. Thorne 1969-8-4 1164 Siskiyou Diamond Lake. Salmon Mountains. High Lake Basin in the vicinity of English Peak. Marble Mountain Wilderness Area. 2073 Comment
  SEINET7568934 Image available Carex nigricans Frederick W. Oettinger, R. F. Thorne 1969-8-6 1261 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, west of Tom's Lower Pond. 1951 Comment
  SEINET7568935 Image available Carex nigricans Frederick W. Oettinger 1968-8-2 358 Siskiyou Salmon Mountains, High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, east end of Diamond Lake. 2073 Comment
  CAS-BOT-BC119204  Carex pachystachya Doris K. Kildale 1929-7-20 8694 Siskiyou Raspberry Lake, South Fork of Indian Creek. 1828 Comment
  UC1265429  Carex pachystachya Frederick W. Oettinger 1968-8-10 458 Siskiyou trail from Base Camp Hancock Lake; Salmon Mountains, Marble Mountain Wilderness Area 1973 Comment
  CAS-BOT-BC118934  Carex pellita Elmer Ivan Applegate 1895-5-28 787 Siskiyou Sacramento River below Sisson. Comment
  CHSC91374  Carex praegracilis Lowell Ahart; John Dittes 2005-6-10 12094 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
  CAS-BOT-BC118771  Carex preslii John Thomas Howell 1937-7-25 13482 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  RSA211369  Carex proposita William J. Ferlatte 1967-8-21 1077 Siskiyou Sawtooth Ridge, Caribou Basin. Ridge west of Big Caribou Lake. Trinity Alps. 2134 Comment
  HSC69103  Carex rostrata Maralyn A. Renner 1980-8-4 2227 Siskiyou Flint Valley 1390 Comment
  HSC77259  Carex rostrata L. P. Janeway 1983-8-28 635 Siskiyou Poker Flat 1529 Comment
  HSC85842  Carex rostrata L. P. Janeway 1983-7-24 452 Siskiyou Poker Flat: slope between upper & lower parts of meadow. 1524 Comment
  HSC91373  Carex rostrata Jennifer Whipple 1976-7-24 1535 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  CHSC100000  Carex scabriuscula L. P. Janeway 2008-7-26 9511 Siskiyou Klamath Ranges. Between Castle Crags, Trinity Mountains, and The Eddys; about 200 m west-southwest of Heart Lake and about 0.8 km south of Castle Lake. Common on somewhat moist north-northeast facing slope. 1890 Comment
  CHSC63523  Carex scabriuscula Vernon H. Oswald; Lowell Ahart 1994-8-1 6422 Siskiyou Gumboot Creek on the upstream side of Forest Rd. 26, ca. 0.5 mi (air) NE of Gumboot Lake, W. of Mt. Shasta (city). 1783 Comment
  RSA238968  Carex scopulorum Frederick W. Oettinger 1968-9-5 710 Siskiyou At south end of Diamond Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2072 Comment
  SEINET7575019 Image available Carex scopulorum var. bracteosa Frederick W. Oettinger 1969-8-6 1262 Siskiyou Salmon Mountains; High Lake Basins in the vicinity of English Peak Marble Mountain Wilderness Area, west of Tom's Lower Pond. 1951 Comment
  HSC45963  Carex serratodens J. P. Smith, Steve Selva 1970-6-15 3945 Siskiyou Road between Forks of Salmon and Cecilville. 579 Comment
  UCD78182  Carex serratodens Robert E. Preston 2008-5-15 2634 Siskiyou Ca. 2 mi N of Somes Bar, along Hwy 96, at Davis Creek 229 Comment
  POM81963  Carex simulata Geo D. Butler 1910-6-5 1475 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC117248  Carex spectabilis John Thomas Howell 1937-7-24 13432 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CHSC106463  Carex spectabilis Peter F. Zika 2009-8-16 24608 Siskiyou Cascade Range Highlands (CaRH). Near Road A10 (Everett Memorial Highway), Panther Meadows, S slope of Mt. Shasta, along creek. 2280 Comment
  HSC30671  Carex spectabilis Frederick W. Oettinger 1969-9-2 1602 Siskiyou Marble Mtn. Wilderness Area, Bear Meadow near Tom Taylor Cabin 2165 Comment
  HSC39298  Carex spectabilis J. O. Sawyer 1969-7-24 1494 Siskiyou SW of Sugar Lake 1890 Comment
  HSC69276  Carex spectabilis Maralyn A. Renner 1980-7-24 2070 Siskiyou Lily Pad Lake 1768 Comment
  CAS-BOT-BC117236  Carex spectabilis K. T. Stillman 1976-7-23 307 Siskiyou Scott Bar Quad. Marble Mountain Wilderness Area. 2011 Comment
  CAS-BOT-BC117237  Carex spectabilis William Bridge Cooke 1939-7-26 13748 Siskiyou Small spring on W side of wide dray above Panther Creek Meadows. 2743 Comment
  RSA211371  Carex spectabilis William J. Ferlatte 1967-8-21 1066 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake. Trinity Alps. 2287 Comment
  RSA238928  Carex spectabilis Frederick W. Oettinger 1969-8-19 1439 Siskiyou Southwest of Arrow Peak and north of English Peak. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  UC70598  Carex straminiformis Geo. B. Grant September, 1902 5116 Siskiyou Horse Camp Mount Shasta 2438 Comment
  UC836013  Carex straminiformis John Thomas Howell 1939-8-2 14908 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  UCR245613  Carex straminiformis R. F. Thorne, Frederick W. Oettinger 1969-8-10 38977 Siskiyou Northwestern; Klamath Ranges region, Mt. Shasta National Forest: south slope of Mt. Shasta, above ski lodge 2317 Comment
  HSC39252  Carex subfusca J. O. Sawyer 1969-7-12 1349 Siskiyou Edge of Sugar Lake 1799 Comment
  JEPS102934  Carex subfusca L. P. Janeway 2002-7-12 7628 Siskiyou High Cascade Range. Along Ash Creek 5.0 km south of summit of Ash Creek Butte, about 0.8 km northwest of The Ford 1561 Comment
  UC195509  Carex subfusca Geo. D. Butler 1910-5-29 1426 Siskiyou near Yreka Comment
  RSA238960  Carex vesicaria Frederick W. Oettinger 1968-9-4 693 Siskiyou Along the west shoreline of Abbotts Lake. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  UC1265469  Carex vesicaria var. major Frederick W. Oettinger 1968-9-4 693 Siskiyou Salmon Mountains, high lake basins in the vicinity of English Peak Marble Mountain wilderness area, along west shoreline of Abbott's Lake; white Fir Forest-Red Fir forest transition area 1722 Comment
  RSA783708  Carex viridula subsp. viridula Barbara L. Wilson, Richard E. Brainerd 2010-8-10 16311 Siskiyou Klamath National Forest: along road 41N03, 3.3 mi from road 2H001. 1705 Comment
  JEPS74435  Cassiope mertensiana subsp. ciliolata W. J. Ferlatte 1966-8-5 351 Siskiyou Caribou Mtn. 2468 Comment
  RSA238340  Cassiope mertensiana subsp. ciliolata Frederick W. Oettinger 1968-8-1 336 Siskiyou Inlet stream to Little Hancock Lake as it passes through a wet boreal meadow just So. of the lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  RSA466945B  Cassiope mertensiana subsp. ciliolata L. C. Wheeler 1934-8-17 3178 Siskiyou Siskiyou Mts. North side White Mt. 1829 Comment
  HSC76913  Castilleja applegatei K. T. Stillman 1976-6-26 125 Siskiyou Marble Mountain Wilderness Area; Top of pass from Bear Valley 2012 Comment
  HSC805  Castilleja applegatei William J. Ferlatte 1967-7-25 719 Siskiyou Caribou Basin 2287 Comment
  LA209198  Castilleja applegatei C. L. Hitchcock; J. S. Martin 1939-7-9 5327 Siskiyou Marble Mountains, 0.5 mi SE of King's Castle 1828 Comment
  HSC19031  Castilleja applegatei J. O. Sawyer 1969-7-3 1054 Siskiyou SE facing slope above Horse Range Creek 1616 Comment
  HSC20506  Castilleja applegatei D. M. Thomson 1965-8-7 173 Siskiyou Lava Beds National Monument, by Juniper Cave on Cave Loop Rd. Comment
  CAS-BOT-BC241150  Castilleja applegatei subsp. pinetorum Alice Eastwood 1921-7-24 10779 Siskiyou Castle Lake Comment
  RSA749205  Castilleja applegatei subsp. pinetorum K. M. Meyer, A. Townesmith 2007-8-2 182 Siskiyou Shasta-Trinity National forest. 0.1 mi. on Forest Service Rd. 43N21, 12.5 mi on Hwy. 97, east side of road 1218 Comment
  CAS-BOT-BC243745  Castilleja applegatei var. pinetorum A. A. Heller 1905-6-15 8033 Siskiyou Near Sisson Comment
  CAS-BOT-BC243754  Castilleja applegatei var. pinetorum C. L. Hitchcock; J. S. Martin 1939-7-9 5327 Siskiyou 1/2 mile southeast of King's Castle, Marble Mts. 1828 Comment
  CAS-BOT-BC243766  Castilleja applegatei var. pinetorum Elmer I. Applegate 1935-6-10 9485 Siskiyou South slope of Caldwell Butte, Lava Beds National Monument Comment
  CAS-BOT-BC243767  Castilleja applegatei var. pinetorum Elmer I. Applegate 1935-6-6 9373 Siskiyou Crater of Caldwell Butte, Lava Beds National Monument Comment
  JEPS76189  Castilleja arachnoidea T. I. Chuang with Fei-Mei Chuang 1977-7-22 7633 Siskiyou Panther Meadow Mt. Shasta 2194 Comment
  UC169088  Castilleja arachnoidea Harley P. Chandler Jun 1901 1687 Siskiyou Marble Mountain; North Coast Ranges 2438 Comment
  UC885405  Castilleja arachnoidea Alice Eastwood 1921-7-29 10983 Siskiyou on road to Medicine Lake; Bear Spring Comment
  JEPS9986  Castilleja attenuata Geo. D. Butler 1909-5-22 717 Siskiyou near Yreka Comment
  JEPS4511  Castilleja lacera Geo. D. Butler 1909-5-8 715 Siskiyou near Yreka; Butcher Hill Comment
  UC1021597  Castilleja lacera W. A. Weber and Lewis S. Rose 1953-5-22 8459 Siskiyou 3 mi n Weed 1127 Comment
  UC733142  Castilleja linariifolia Elmer I. Applegate 1923-8-17 3829 Siskiyou s end Lower Klamath Lake (Laird's ranch) Comment
  CAS-BOT-BC254019  Castilleja miniata Alice Eastwood 1903-8-17 3809 Siskiyou Foot of Mt. Eddy 1158 Comment
  HSC61815  Castilleja miniata Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  SFV3340  Castilleja miniata J. M. Tucker 1963-8-17 3740 Siskiyou Marble Mountain Wilderness Area, Lower Red Rock Valley. At edge of Red Rock Creek in moist soil in vicinity of cabin. 1494 Comment
  CAS-BOT-BC254024  Castilleja miniata John M. Tucker 1948-8-2 1768 Siskiyou Panther Meadows; Mt. Shasta 2407 Comment
  RSA237564  Castilleja miniata Frederick W. Oettinger 1968-8-6 424 Siskiyou Southeast corner of Hancock Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  HSC20549  Castilleja pilosa R. C. Wunner 1965-6-7 129 Siskiyou Lava Beds N.M., Dragon Head Cave 1364 Comment
  JEPS94269  Castilleja pilosa Vernon H. Oswald and Lowell Ahart 1998-6-11 9206 Siskiyou 9 air mi e of Grass Lake (22 air mi ne of Weed, Dry Lake on s side of Tennant Road); Dry Lake, Tennant Road 1402 Comment
  CHSC1725  Castilleja pruinosa M. Yoder 1941-6-28 Siskiyou Castle Lake. 1981 Comment
  HSC91221  Castilleja pruinosa Jennifer Whipple 1976-7-2 1270 Siskiyou Ridge west of Dobkins Lake 2317 Comment
  JEPS60246  Castilleja pruinosa L. R. Heckard with L. Constance and R. Ornduff 1969-6-25 2311 Siskiyou nw edge Weed Comment
  JEPS82455  Castilleja pruinosa Gilbert Muth 1966-7-14 394 B Siskiyou s of Marble Valley (Marble); Marble Mt. Wilderness Area 1792 Comment
  UC199392  Castilleja pruinosa Annie M. Alexander and L. Kellogg 1911-6-21 173 Siskiyou Jackson Lake; Jackson Pk. 2438 Comment
  POM42526  Castilleja pruinosa Geo. D. Butler 1910-5-1 1255 Siskiyou Near Yreka. Comment
  POM256803  Castilleja psittacina D. D. Keck 1940-6-13 5171 Siskiyou 1 mi. S.W. of Grass Lake. 1524 Comment
  JEPS68264  Castilleja tenuis L. R. Heckard 1972-5-31 2938 Siskiyou about 2 mi e Gazelle (on road to Weed) Comment
  UC164363  Castilleja tenuis Geo. D. Butler 1910-6-6 1461 Siskiyou Quartz Valley Comment
  JEPS42269  Ceanothus cordulatus L. N. Lorenzen 1920-6-9 Siskiyou Sisson 1127 Comment
  JEPS82333  Ceanothus cuneatus var. cuneatus Roger Raiche 1983-8-14 30616 Siskiyou near suumit of rd to Mt. Eddy (rd to Dead Fall Meadow) 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
  RSA399888  Ceanothus integerrimus E. E. Stanford 1930-6-15 1586 Siskiyou 1 mile north of Dunsmuir. Comment
  CAS-BOT-BC53093  Ceanothus prostratus Roxana S. Ferris; Laura Lorraine 1948-6-12 11737 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  HSC100191  Ceanothus prostratus J. P. Smith, & J. O. Sawyer 2011-9-4 13411 Siskiyou Montague- Ball Mountain-Little Shasta Road (County Road 7K007). 1192 Comment
  UC455334  Ceanothus prostratus I. J. Condit 1911-7-5 Siskiyou near Shasta Retreat (Mt. Bradley); Mt. Bradley Comment
  CDA35687  Ceanothus prostratus T. C. Fuller 1962-6-13 8973 Siskiyou Highway 89 to McCloud, 4.4 miles west of Bartle. 0 Comment
  RSA120637  Ceanothus velutinus G. D. Barbe 1955-8-1 320 Siskiyou SE of Craggy lookout on Mt Bolivar. 2195 Comment
Read comments Mar 6 2013
  SJSU6540  Ceanothus velutinus R. W. Trivelpiece 1973-6-22 154 Siskiyou on trail to Big Duck & Little Duck L, Scott R drainage c. 7 mi W of Callahan 1920 Comment
  UC642534  Ceanothus velutinus W. Bridge Cooke 1939-7-14 13674 Siskiyou along the Sisson Southern Trail; Mount Shasta, Sisson Southern Trail Comment
  UCR95633  Ceanothus velutinus L. C. Wheeler 1963-9-3 8339 Siskiyou Siskiyou Mtns. Cyclone Gap chrome mine Comment
  RSA398980  Ceanothus velutinus Bonnie C. Templeton 1957-6-21 s.n. Siskiyou On the road up to Mt. Shasta. Comment
  HSC69115  Ceanothus velutinus var. velutinus Maralyn A. Renner 1980-8-7 2393 Siskiyou Klamath National Forest, NW flank of Preston Peak, near summit 2180 Comment
  UC1362454  Ceanothus velutinus var. velutinus Frederick Karl Klein 1969-9-7 Siskiyou At intersection of Shasta National Forest road 40N25 and S. P. tracks 1295 Comment
  OBI56382  Centaurea diffusa Paul McCanna 1999-7-20 PDR 1128385 Siskiyou Vicinity of Yreka. T45N, R7w, Sect 21 BM: M Comment
  CDA20009  Centaurea jacea M. Bagley 2002-8-1 PDR P 087837 -A Siskiyou Northern California; Vicinity of Mt Shasta. 0 Comment
  CDA21355  Centaurea pratensis L. Wehmeyer 2001-11-7 s.n. Siskiyou Jct of W Ream and WA Barr Rd. in Mt. Shasta. 0 Comment
  CDA38734  Centaurea solstitialis Steve Orloff Sep 2011 SPK 471141 S1-D Siskiyou Collins Baldy, Mountains of the South Klamath River in the Klamath River area. 0 Comment
  UC2014141  Centaurea solstitialis Steve Orloff September 2011 SQK 472276 S1-D Siskiyou Siskiyou County: From a property along the Klamath River. Comment
  UCD108104  Centaurea solstitialis Steve Orloff 2011-9-1 SQK 472276 S1-D Siskiyou From a property along the Klamath River. Comment
  JEPS25882  Centaurium muehlenbergii Rimo Bacigalupi with L. Constance and L. Heckard 1960-7-21 7481 Siskiyou 4 mi above Oak Bottom guard station (or 5 mi above and se of Somes Bar, in gorge of Salmon River); Salmon River 274 Comment
  CAS-BOT-BC288796  Centromadia fitchii Louis C. Wheeler 1934-10-6 3309 Siskiyou Shasta Valley 2 miles SE of Yreka 853 Comment
  JEPS38136  Centromadia fitchii Geo. D. Butler 1908-7-23 507 Siskiyou Yreka Comment
  UC725957  Centromadia fitchii A. A. Heller 1925-7-25 13907 Siskiyou 7 mi s Yreka Comment
  SBBG15939  Centromadia fitchii D. Myrick 1961-6-21 295 Siskiyou hwy 99 just S of Yreka 914 Comment
  CAS-BOT-BC279142  Centromadia pungens subsp. pungens Geo. D. Butler 1910-8-18 1840 Siskiyou Shasta Valley Comment
  UC1229866  Cerastium dichotomum T. C. Fuller 1962-5-18 8475 Siskiyou Little Shasta Rd 5 mi e Montague (B. M. Long prop.) Comment
  UC375269  Ceratophyllum demersum Geo. D. Butler 1910-8-21 1852 Siskiyou Shasta River Comment
  UC15095  Cercis occidentalis Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
  HSC18568  Cercocarpus ledifolius R. C. Wunner 1965-7-15 392 Siskiyou Lava Beds NM, Indian Wells near N Prefab 1433 Comment
  RSA211465  Cercocarpus ledifolius William J. Ferlatte 1967-7-26 762 Siskiyou NW side of Caribou Mtn. Trinity Alps. 1829 Comment
  UCD113092  Cercocarpus ledifolius John Thomas Howell 1964-5-11 40702 Siskiyou NE of Callahan on road to Gazelle. Comment
  CAS-BOT-BC148522  Cercocarpus ledifolius var. ledifolius Wm. Bridge Cooke 1938-8-23 11574 Siskiyou Upper end of Shastina Lava Park 2438 Comment
  CAS-BOT-BC148525  Cercocarpus ledifolius var. ledifolius Wm. Bridge Cooke 1938-8-23 11574 Siskiyou Upper end of Shastina Lava Park - Mount Shasta 2438 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
  HSC27460  Cercocarpus montanus var. macrourus J. P. Smith, J. O. Sawyer 1972-5-28 5385 Siskiyou Salmon River at bridge west of O'Farrill Gulch 549 Comment
  CAS-BOT-BC276780  Chaenactis douglasii var. douglasii Alice Eastwood 1912-8-30 1999 Siskiyou Mount Eddy Comment
  CAS-BOT-BC276782  Chaenactis douglasii var. douglasii Palmer Stockwell 1939-8-10 13872 Siskiyou Between Squaw Valley Creek and Mud Creek Canyon Comment
  CAS-BOT-BC276763  Chaenactis douglasii var. douglasii Elmer I. Applegate 1935-1-1 3867 Siskiyou Top of Redshale Mountain, E of Medicine Lake 2438 Comment
  RSA94059  Chaenactis suffrutescens R. C. Barneby 1954-5-16 s.n. Siskiyou Scott Road, 10.5 miles below Fort Jones 1006 Comment
  CAS-BOT-BC141587  Chamaebatiaria millefolium Alice Eastwood; John Thomas Howell 1940-6-14 8259 Siskiyou Lava Beds National Monument, near Indian Well Comment
  RSA714931  Chamaebatiaria millefolium M. E. Fishbein, Lane Greer 2006-8-3 5872 Siskiyou Along Forest Service road 49, 7 miles SSW of Medicine Lake, 0.4miles NE of Snag Hill. 1585 Comment
  UCR110582  Chamaecyparis nootkatensis L. C. Wheeler 1963-8-25 8275 Siskiyou Preston Peak: Summit ridge 2134 Comment
  UC1034062  Chamaesyce serpyllifolia W. Bridge Cooke 1941-9-5 16258 Siskiyou along Memorial Hwy; Mount Shasta 1371 Comment
  UC207731  Chamaesyce serpyllifolia A. A. Heller 1914-8-26 11721 Siskiyou Weed 1066 Comment
  CAS-BOT-BC166093  Chamerion angustifolium subsp. circumvagum Doris K. Kildale 1929-8-24 9043 Siskiyou Rattlesnake Meadow, Preston Peak 1524 Comment
  HSC92069  Chamerion angustifolium subsp. circumvagum Jennifer Whipple 1977-8-5 2180 Siskiyou Wagon Creek drainage on E face of Mt. Eddy 2317 Comment
  JEPS355  Cheilanthes gracillima Geo. D. Butler 1910-7-12 1754 Siskiyou Shackelford Creek Shackelford Creek Comment
  UC1037348  Cheilanthes gracillima Leo Whitney 1935-7-15 3484 Siskiyou 2 mi se Medicine Lake (lava ledge near Bullseye Lake) Comment
  UC922663  Cheilanthes gracillima Annie M. Alexander and Louise Kellogg 1948-9-8 5600 Siskiyou top of grade between Sawyers Bar and Etna; Siskiyou Mts 1737 Comment
  HSC65133  Chenopodium fremontii J. P. Smith, Steve Selva 1970-6-17 4415 Siskiyou Along Klamath River Comment
  CAS-BOT-BC451437  Chimaphila menziesii Louis C. Wheeler 1934-8-24 3221 Siskiyou Siskiyou Mts., Trapper Creek 1615 Comment
  RSA211439  Chimaphila menziesii William J. Ferlatte 1966-8-3 270 Siskiyou Along the south fork of the Salmon River between the campground and Carter's. 1524 Comment
  CAS-BOT-BC452256  Chimaphila umbellata W. R. Dudley 1899-8-22 s.n. Siskiyou Craggy Peak Comment
  CAS-BOT-BC452264  Chimaphila umbellata L. E. Smith 1913-9-1 555 Siskiyou Mt. Eddy Comment
  CAS-BOT-BC452286  Chimaphila umbellata H. A. Thomas; J. H. Thomas 1954-7-21 4389 C Siskiyou Salmon-Trinity Mts. About 6 miles SE of Cecilville. West side of Rush Creek 1036 Comment
  HSC142  Chimaphila umbellata William J. Ferlatte 1966-8-3 271 Siskiyou Along the S Fork of the Salmon River between the campground and Carter's. 1524 Comment
  HSC27634  Chimaphila umbellata Carl W. Mize 1972-6-22 87 Siskiyou In a draw past cut block #48 1113 Comment
  CAS-BOT-BC452278  Chimaphila umbellata Doris K. Kildale 1929-7-20 8629 Siskiyou Trail up South Fork Indian Creek to Elk Lick elev. Comment
  CAS-BOT-BC36381  Chrysolepis chrysophylla W. R. Dudley 1907-8-27 s.n. Siskiyou Salmon Mountains Comment
  CAS-BOT-BC36386  Chrysolepis chrysophylla Wm. Bridge Cooke 1938-9-2 11588 Siskiyou Sisson Southern Trail 1371 Comment
  UC164392  Chrysolepis chrysophylla var. chrysophylla Geo. D. Butler 1908-7-12 1074 Siskiyou hill w of Yreka Comment
  OBI55421  Chrysolepis chrysophylla var. chrysophylla David J. Keil 1992-7-20 23498 Siskiyou Klamath Natl Forest, SW of Fort Jones. Along forest Road 44N45, 8.1 mi S of Scott River Rd, 2.7 mi S of turnoff to Lover's CAmp Comment
  CAS-BOT-BC36242  Chrysolepis sempervirens W. R. Dudley 1899-8-22 s.n. Siskiyou Slopes of Craggy Peak Comment
  UCD110157  Chrysolepis sempervirens John M. Tucker; L. K. Mann 1963-7-4 3692 Siskiyou Beside road from Etna to Sawyer's Bar, ca. 4.7 miles (by road) southwest of Etna. Comment
  CAS-BOT-BC190007  Cinna latifolia John Thomas Howell 1939-8-6 15094 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  UCD59780  Cinna latifolia J. M. Tucker 1963-8-19 3775 Siskiyou Marble Mountain Wilderness Area, headwaters of Canyon Creek. 1950 Comment
  UC1495339  Circaea alpina subsp. pacifica Robert T. Clausen and Harold Trapido 1940-7-26 4951 Siskiyou e. side of canyon of Mud Creek; S. Cascade Mts., Sacramento R. Basin, Mt. Shasta 1584 Comment
  UC1550271  Cirsium ciliolatum W. J. Ferlatte 1988-6-28 2114 Siskiyou ne corner at intersection of York Rd. and Mulloy Rd. 813 Comment
  CAS-BOT-BC279878  Cirsium douglasii var. breweri A. A. Heller 1915-8-26 12238 Siskiyou Mt. Eddy 1828 Comment
  CAS-BOT-BC279886  Cirsium douglasii var. breweri L. E. Smith 1914-7-6 754 Siskiyou Cantara Comment
  CAS-BOT-BC279887  Cirsium douglasii var. breweri W. R. Dudley 1901-8-25 s.n. Siskiyou By trail to Criol's Jackson Creek - Salmon Mts. Comment
  UCR24851  Cirsium pastoris John C. Roos 1948-9-2 3979 Siskiyou Fort Jones 915 Comment
  CAS-BOT-BC288778  Cirsium remotifolium Gilbert Muth 1966-8-1 485 Siskiyou Marble Valley Horse Pasture, Marble Mts 1792 Comment
  HSC26708  Cirsium remotifolium William J. Ferlatte 1971-9-18 1373 Siskiyou Big Flat near public campground 1524 Comment
  CAS-BOT-BC286467  Cirsium scariosum John Thomas Howell 1952-6-14 28334 Siskiyou Just south of Gazelle 838 Comment
  CDA1579  Cirsium scariosum var. robustum T. C. Fuller 1977-6-14 20216 Siskiyou Klamath Lake valley; North side of Hwy 161 (Stateline Rd.) 5.2 km. east of Hwy 97, 10.5 km. NE of Dorris. Comment
  CDA1590  Cirsium scariosum var. robustum T. C. Fuller 1959-7-9 2738 Siskiyou Hwy 99, 2 mi. S/ Gazelle. 0 Comment
  SD76164  Cirsium vulgare Helen V. Witham 1969-10-9 Siskiyou McBride Springs Road, Mt. Shasta 1500 Comment
  CAS-BOT-BC285892  Cirsium vulgare A. A. Heller 1920-8-11 13501 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1158 Comment
  RSA756946  Clarkia Robert F. Thorne 1969-8-2 63337 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. 1159 Comment
  OBI6075  Clarkia gracilis subsp. gracilis Carl B. Wolf 1941-7-26 11077 Siskiyou SW end of Little Shasta Valley, 12 mi NE of Weed on US 97at jctn with Rd. to Montague 914 Comment
  CAS-BOT-BC172045  Clarkia gracilis subsp. gracilis Roxana S. Ferris; Laura Lorraine 1948-6-12 11711 Siskiyou Schoolhouse Hill, Plowmans Valley (Noyes Valley), east fork of Scott Valley Comment
  RSA0059898  Clarkia lassenensis J. P. Smith 1974-5-25 7413 Siskiyou Along road 8, 0.9 miles from its jct with State Route 3. 976 Comment
  POM215736  Clarkia purpurea subsp. quadrivulnera Louis C. Wheeler 1935-6-27 3609 Siskiyou Greenview, Scott Valley. 884 Comment
  SEINET4145698  Clarkia rhomboidea G. D. Butler 1910-5-30 1436 Siskiyou near Hawkinsville Comment
  HSC36925  Claytonia rubra subsp. rubra J. P. Smith 1974-5-26 7592 Siskiyou Along FS Rd. 47N03, 1/4 mi. NE of Chandler Glade 1768 Comment
  CAS-BOT-BC443813  Claytonia rubra subsp. rubra L. E. Smith 1913-5-11 259 Siskiyou McCloud Comment
  CAS-BOT-BC443863  Claytonia sibirica Wm. Bridge Cooke 1938-6-24 11182 Siskiyou Mount Shasta. Bear Springs Comment
  UCR26232  Claytonia sibirica John C. Roos 1948-9-1 3982 Siskiyou high ridge SW of Etna Comment
  UC398634  Cleome platycarpa A. A. Heller 1927-8-2 14440 Siskiyou near Klamath River (n end of Shasta Valley); Shasta Valley Comment
  HSC19264  Clintonia uniflora J. O. Sawyer 1968-6-25 319 Siskiyou Along Horse Range Creek 1829 Comment
  CAS-BOT-BC500961  Clintonia uniflora Lester Rowntree 1934-5-11 s.n. Siskiyou Happy Camp near Oregon-California Line 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
  JEPS3691  Collinsia linearis Dorothy Mrs. Warren Parker 1953-5-24 537 Siskiyou Scott River; hillside 687 Comment
  CHSC96009  Collinsia rattanii L. P. Janeway 2006-7-3 8765 Siskiyou Klamath Ranges. Salmon Mountains; along Music Creek Trailhead Road about 1.5 km west of upper crossing of Music Creek. 1646 Comment
  SBBG6893  Collinsia torreyi var. latifolia H. and M. Dearing 1939-7-2 3807 Siskiyou Salmon Mtn 1828 Comment
  RSA211303  Collinsia torreyi var. latifolia William J. Ferlatte 1966-6-22 99 Siskiyou Along the South Fork of the Salmon River between the campgrond and Carter's; Trinity Alps. 1524 Comment
  UCD123695  Collinsia torreyi var. latifolia W. C. Overton Jr. 1977-7-10 s.n. Siskiyou along trail from Big Flat to Sunrise Pass (between headwaters of Gulick Creek to northwest and Sunrise Creek to southeast) in area where trail leaves forest and enters large, open meadow and shurb area at head of Gulick Creek, Klamath National Forest. 2145 Comment
  RSA12605  Collomia grandiflora C. B. Wolf 1934-7-6 5980 Siskiyou 1/4 mi. east of Mt. Shasta City. S.W. slope of Mt. Shasta. Comment
  RSA237240  Collomia grandiflora Frederick W. Oettinger 1967-6-28 127 Siskiyou On Salmon River near mouth of Kelly Gulch. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 616 Comment
  UC133731  Collomia tinctoria Katharine Brandegee July 1887 Siskiyou Sissons Comment
  HSC27966  Collomia tracyi Carl W. Mize 1972-6-8 4 Siskiyou Along main trail 335 Comment
  RSA120685  Collomia tracyi S. Tillett 1956-7-9 636 Siskiyou E-facing slope of Scott Mountain, 8 miles SE of Callahan; Siskiyou-Trinity Co. line 2073 Comment
  RSA0124650  Collomia tracyi D. H. Wilken, E. Painter 1976-7-17 12710 Siskiyou Along road between Cicilville & Callahan, near confluence of Sixmile Creek & Salmon River. 1280 Comment
  JEPS15750  Conium maculatum Geo. D. Butler 1909-6-26 924 Siskiyou Yreka Comment
  HSC92118  Cordylanthus tenuis subsp. pallescens T. I. Chuang, L. R. Heckard 1969-8-21 6741 Siskiyou Southwest of Black Butte, NW of Mount Shasta City 1067 Comment
  CHSC105577  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-5 16221 Siskiyou Dunsmuir; road 1M036 (Railroad Park Road) across from the railroad museum. Lat and Long. indicated +/- 56 feet. 704 Comment
  CHSC105582  Cordylanthus tenuis subsp. tenuis Barbara L. Wilson; Richard E. Brainerd 2010-8-4 16205 Siskiyou Forest Service Road 41N26, the Eddy Creek Road, 2.8 miles above the junction with Old Stagecoach Road (study site 11). Lat. and Long. indicated +/- 22 feet. 1280 Comment
  CAS-BOT-BC105084  Cordylanthus tenuis subsp. viscidus R. C. Wenk 2008-7-25 949 Siskiyou Road to Kangaroo Lake, 4.3 miles S of turnoff from Gazelle-Callahan Rd. 1615 Comment
  JEPS57396  Cordylanthus tenuis subsp. viscidus L. R. Heckard with T. I. Chuang 1968-7-2 1971 Siskiyou n side Mt. Shasta (along Bolam logging road at e-w fork) 1463 Comment
  JEPS77505  Cordylanthus tenuis subsp. viscidus L. R. Heckard with T. I. Chuang and R. C. Bacigalupi 1978-7-18 4873 Siskiyou 15 air mi e Montague (Ball Mt. Road, nw of Goosenest Mt) 1158 Comment
  UCD123181  Cordylanthus tenuis subsp. viscidus K. M. Meyer; A. Townesmith 2007-7-31 173 Siskiyou Shasta-Trinity National Forest. 5.3 mi. on NF Rd. 17, off US Hwy. 97, turn out right before forest rd. 42N19. 1298 Comment
  UCD123183  Cordylanthus tenuis subsp. viscidus Barbara L. Wilson; Richard E. Brainerd 2010-8-6 16234 Siskiyou at sign at border of Shasta-Trinity National Forest on Highway 89 east of McCloud. 1356 Comment
  UCD123177  Cordylanthus tenuis subsp. viscidus Rimo Bacigalupi; C. L. Custer, G. T. Robbins 1954-8-12 4790 Siskiyou 5.1 miles below (and SE of) summit of the road between Takilma, Oregon and Happy Camp, California. Klamath National Forest, Siskiyou Mountains; drainage of the West Branch of Indian Creek. 914 Comment
  RSA237381  Cornus californica Frederick W. Oettinger 1968-9-1 634 Siskiyou E. shore of Abbotts Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1723 Comment
  UC166602  Cornus glabrata Geo. D. Butler 1909-7-7 803 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC212072  Cornus nuttallii Doris K. Kildale 1929-5-31 9159 Siskiyou Cecilville, South Fork Salmon River Comment
  RSA0091888  Cornus nuttallii Bonnie C. Templeton 1957-6-24 7747 Siskiyou Near summit of Scott Mt. Comment
  SEINET6976042  Cornus nuttallii Unknown 1986-9-13 2155 Siskiyou Near the Marble Mountain Wilderness; along Canyon Creek Trail above Canyon Creek. Comment
  CAS-BOT-BC210397  Cornus sericea L. B. Kildale 1930-5-31 9796 Siskiyou Island in Klamath River near Hornbrook Comment
  CAS-BOT-BC210410  Cornus sericea Elmer I. Applegate 1895-5-29 222 a Siskiyou Sacramento River near Sisson Comment
  UCSB15564  Cornus sericea Breedlove, Dennis 1962-6-10 Siskiyou Along Indian Creek Road; 16.2 miles northwest of Happy Camp; Siskiyou Mountains 1066 Comment
  UC1190158  Cornus sericea subsp. sericea Ira L. Wiggins 1955-7-24 13503 Siskiyou trail at crossing of China Creek (above diversion dam) 1301 Comment
  CAS-BOT-BC180204  Corylus cornuta subsp. californica A. A. Heller 1915-7-18 12128 Siskiyou Metaclf's ranch, NE base of Mt. Eddy 1371 Comment
  HSC31544  Corylus cornuta subsp. californica Steve Selva, Roger Jensen 1974-8-22 35 Siskiyou Trail from Doe Flat campground to Buck Lake Comment
  RSA238546  Corylus cornuta var. californica Frederick W. Oettinger 1968-8-23 615 Siskiyou Salmon Mountains, in the vicinity of English Peak, Marble Mountain Wilderness Area. Amid large granite scree of Diamond Lake outlet spillway. 1951 Comment
  SACT002820  Corylus rostrata var. californica Geo Dobbins 1961-6-19 Siskiyou 5 miles west of Oregon Caves National Monument. Comment
  JEPS36411  Crepis acuminata W. L. Jepson 1937-7-30 18533 Siskiyou near Poker Flat; Summit Siskiyou Mts. 1584 Comment
  CAS-BOT-BC299654  Crepis monticola E. B. Babcock; G. L. Stebbins, Jr. 1936-6-11 1930 Siskiyou About 8 mi. south of Yreka 822 Comment
  UCD130939  Crepis monticola G. L. Stebbins Jr.; A. A. Beetle 1942-5-30 3261 Siskiyou 3 miles south of Yreka. 822 Comment
  CAS-BOT-BC376498  Crepis occidentalis subsp. conjuncta K. T. Stillman 1976-8-7 204 Siskiyou Marble Mountain Wilderness Area 1981 Comment
  RSA75628  Crepis occidentalis subsp. conjuncta Albert M. Vollmer, L. Beane 1951-5-31 28 Siskiyou Scott Mountain Comment
  CAS-BOT-BC290861  Crepis pleurocarpa P. M. Peterson; J. M. Saarela; C. J. Sears 2006-8-9 19779 Siskiyou Pacific Crest Trail, above Taylor Lake, Russian Wilderness 2145 Comment
  SDSU3854  Crepis pleurocarpa D. F. Howe 1962-8-4 3392 Siskiyou Near summit of Baldy Mt. Comment
  UC922328  Crepis pleurocarpa Annie M. Alexander and Louise Kellogg 1949-7-29 5890 Siskiyou top of ridge above Sky High Lake; Marble Mountains, Sky High Valley 1920 Comment
  HSC46185  Crocidium multicaule Jennifer Whipple 1977-3-20 1832 Siskiyou Scott Valley near Weston Gulch 854 Comment
  HSC74831  Crypsis schoenoides J. P. Smith, J. O. Sawyer 1978-7-3 10000 Siskiyou Klamath National Forest, Williams Point along the Klamath River, S of Hwy. 96 Comment
  HSC3592  Cryptantha ambigua R. C. Wunner 1965-7-15 395 Siskiyou California Lava Beds National Monument; Indian Well Area 1433 Comment
  JEPS107419  Cryptantha flaccida Lowell Ahart, John Dittes 2005-6-9 12022 Siskiyou Pasture field, on the east side of a poor rock fence, about 350 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
  HSC82223  Cryptantha torreyana Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-24 4544 Siskiyou Siskiyou-Trinity County line, head of Scott Mtn. Creek, S of Forest Service campground 1646 Comment
  SD76175  Cryptogramma cascadensis Helen V. Witham 1969-10-9 611 Siskiyou Panther Meadow, Mt. Shasta 2400 Comment
  CAS-BOT-BC80554  Cupressus bakeri Oliver V. Matthews 1939-7-5 21 Siskiyou Sullivan Mine Grove, Cook and Green Region 1219 Comment
  RSA40901  Cupressus bakeri C. B. Wolf 1944-10-30 11481 Siskiyou 1mile NE of Timbered Crater, Modoc Lava Beds on Old Stage Road form Dana to Little Hot Springs Valley 1220 Comment
  HSC19016  Cynoglossum occidentale J. O. Sawyer 1969-7-26 1583 Siskiyou SE facing slope near Sugar Creek 1700 Comment
  HSC34152  Cynoglossum occidentale J. O. Sawyer 1969-9-11 2002 Siskiyou Along trail to Big Duck Lake 1707 Comment
  HSC459  Cynoglossum occidentale William J. Ferlatte 1967-7-8 670 Siskiyou Along Yellow Rose Mine trail 1829 Comment
  UC618695  Cynoglossum occidentale Ivan Johnston 1938-6-17 11023 Siskiyou s.w. side of Mt. Shasta Comment
  SBBG26901  Cyperus acuminatus L. C. Wheeler 1934-10-11 3317 Siskiyou Oak Knoll Ranger Station, Klamath River 670 Comment
  UC837442  Cyperus acuminatus Louis C. Wheeler 1934-10-11 3317 Siskiyou Oak Knoll Ranger Station Siskiyou Mts., Klamath R., Oak Knoll Ranger Station 670 Comment
  CAS-BOT-BC114688  Cyperus bipartitus Louis C. Wheeler 1934-8-31 3229 Siskiyou W. Fork Beaver Dreek. 1066 Comment
  RSA722402  Cypripedium californicum W. Lane 1938-07 s.n. Siskiyou Siskiyou Mountains 1220 Comment
  CAS-BOT-BC133734  Cypripedium californicum A. A. Heller 1919-6-29 13282 Siskiyou Field redacted by CAS, contact the data manager for more information Comment
  UC14958  Cypripedium californicum W. C. Blasdale July, 1899 1077 b Siskiyou from summit of Siskiyous to Waldo, Oregon Comment
  HSC103854  Cystopteris fragilis G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-20 2767 Siskiyou 2 mi. east of Callahan at Hwy. 3 bridge over the East Fork Scott River. 988 Comment
  HSC26114  Cystopteris fragilis J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5682 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  HSC61803  Cystopteris fragilis Ruby Van Deventer 1960-7-13 Siskiyou Poker Flat 1585 Comment
  CAS-BOT-BC192249  Danthonia californica Melissa A. Berry 1957-7-6 s.n. Siskiyou Heather Lake, near Salmon Mt. 2042 Comment
  JEPS72971  Danthonia californica W. L. Jepson 1940-7-3 20121 Siskiyou 5 mi se Bartle; Big Bear Flat 1219 Comment
  UC816931  Danthonia intermedia John Thomas Howell 1939-8-7 15126 Siskiyou Sky High Valley Marble Mts. 1828 Comment
  UCD61071  Danthonia intermedia Beecher Crampton 1956-8-22 3861 Siskiyou Panther Meadow, south slope of Mt. Shasta. 2316 Comment
  CAS-BOT-BC76242  Darlingtonia californica Wayne Roderick 1967-7-28 s.n. Siskiyou At head of Gumboot Lake, southwest of Mount Eddy. 1828 Comment
  CHSC30186  Darlingtonia californica M. S. Taylor 1980-7-22 3171 Siskiyou Along creek and meadow, ca. 0.1 mi sw of Big Carme ... Field redacted by CHSC, contact the data manager for more information 1737 Comment
  HSC38594  Darlingtonia californica J. P. Smith, J. O. Sawyer 1972-9-12 5768 Siskiyou Scott Mtn., E of Big Carmen Lake. 1677 Comment
  POM266003  Darmera peltata Lincoln Constance, Reed C. Rollins 1942-5-13 2903 Siskiyou Klamath River at mouth of Protugese Creek. 4 miles E of Thompson Creek. 457 Comment
  CHSC63417  Dasiphora fruticosa Vernon H. Oswald; Lowell Ahart 1994-7-11 6402 Siskiyou Gumboot Creek on the upstream side of Forest Rd. 26 (to Mt. Shasta), ca. 0.5 mi NE of Gumboot Lake, W of Dunsmuir. 1783 Comment
  HSC100270  Dasiphora fruticosa J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-8-7 13064 Siskiyou Klamath National Forest, road to Crater Lake off Forest Service Road 40N24. 2003 Comment
  UC166662  Datisca glomerata Geo. D. Butler 1910-7-19 1723 Siskiyou Little Shasta Comment
  RSA126347  Datisca glomerata I. L. Wiggins 1955-7-21 13426 Siskiyou Near Mt. View Ranch 7 mileNortheast of Cuesta Grade.s above Cecilville on S Fork of Salmon River 976 Comment
  POM208256  Daucus pusillus L. C. Wheeler 1934-6-2 2609 Siskiyou Oak Knoll ranger station, Klamath River; Mt. Diablo Mer. 671 Comment
  UC1334523  Delphinium andersonii G. A. L. Mehlquist and J. A. Jenkins 1940-5-30 18 Siskiyou sw-facing slope Sconchin Butte Comment
  CAS-BOT-BC8979  Delphinium depauperatum Dorothy Inez Parker 1967-6-1 s.n. Siskiyou Scott Mountain 1524 Comment
  JEPS123410  Delphinium glaucum Julie Kierstead Nelson with Robin Fallscheer 2015-8-13 2015 -133 Siskiyou Headwaters of west fork Parks Creek, 2 miles NE of China Mountain. Comment
  CAS-BOT-BC9888  Delphinium nudicaule Elmer Ivan Applegate 1935-6-6 9376 Siskiyou South base of Caldwell Butte, Lava Beds National Monument Comment
  SBBG27184  Delphinium nudicaule L. C. Wheeler 1935-5-26 3532 Siskiyou Yreka Crk 914 Comment
  CAS-BOT-BC116158  Delphinium nuttallianum L. E. Smith 1913-5-14 210 Siskiyou Yreka Comment
  CAS-BOT-BC116176  Delphinium nuttallianum H. A. Thomas; J. H. Thomas 1954-7-25 4522 Siskiyou Salmon-Trinity Mts. Vicinity of Rush Lake and Rush Creek meadow, About 9 miles E of Cecilville. 1981 Comment
  HSC34156  Delphinium nuttallianum J. O. Sawyer 1969-7-9 1223 Siskiyou Along trail to Sugar Lake. 1768 Comment
  CAS-BOT-BC118066  Delphinium nuttallianum W. R. Dudley 1893-6-20 s.n. Siskiyou Castle Lake Trail, region of Mt. Shasta Comment
  HSC86445  Deschampsia cespitosa D. K. Imper 1989-7-21 Siskiyou 8 mi. E of Somes Bar. 1372 Comment
  JEPS121611  Deschampsia cespitosa subsp. cespitosa Kendra Sikes 2011-9-13 Siskiyou Bogbean Fen, Caldwell Lakes Basin, headwaters of Parks Creek, east slope of China Mountain. Gently sloping wet meadow, W aspect, over gabbro. China Mountain quadrangle. CLB_1 #B Comment
  RSA184788  Deschampsia danthonioides Gilbert Muth 1966-7-19 430 Siskiyou Marble Gap Trail, along first bluff, Marble Mountains. 1829 Comment
  UCD61387  Deschampsia danthonioides R. Tofsrud 1948-8-1 Siskiyou Summit on road from Happy Camp, Siskiyou Co. to O'Brien, Oregon. Comment
  HSC101475  Deschampsia elongata J. P. Smith, J. O. Sawyer 2011-7-21 13040 Siskiyou Near Dillon Camp 1358 Comment
  SEINET7073596  Descurainia incisa 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
  CDA5618  Descurainia sophia L. Ahart, J. Dittes 2005-6-9 12054 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
  JEPS107484  Descurainia sophia Lowell Ahart, John Dittes 2005-6-9 12054 Siskiyou Meadow area along a small drainage, along the sides 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
  HSC24688  Dicentra formosa J. O. Sawyer 1969-7-18 1361 Siskiyou E of Waterdog Lake 2012 Comment
  HSC67685  Dicentra formosa John Palmer 1980-7-24 630 Siskiyou Klamath National Forest, Elk Hole 1503 Comment
  CAS-BOT-BC402480  Dicentra formosa subsp. formosa H. E. Brown 1897-7-15 536 Siskiyou Collected South side Mt. Shasta 3048 Comment
  CAS-BOT-BC402482  Dicentra formosa subsp. formosa Donald Myrick 1961-6-21 312 Siskiyou Meadow on Deer Camp Road above Oak Knoll Ranger Station on Klamath River 19 miles west of Highway 99 Comment
  RSA166277  Dicentra formosa subsp. formosa Donald Myrick 1961-6-21 312 Siskiyou On Deer Camp Road above Oak Knoll Ranger Station on Klamath River 19 miles west of Highway 99 1829 Comment
  HSC91287  Dicentra uniflora Jennifer Whipple 1976-6-17 1014 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  JEPS5684  Dichelostemma X venustum Geo. D. Butler 1909-7-15 889 Siskiyou Highland Mine Comment
  CAS-BOT-BC500903  Dichelostemma capitatum Roxana S. Ferris; Laura Lorraine 1948-6-12 11852 Siskiyou 1.5 miles below summit of Gazelle Mountain grade, east side 1417 Comment
  SEINET3885619  Dichelostemma congestum D. W. McNeal 1978-6-2 2156 Siskiyou On a rd. bank beside the Happy Camp-Cave Jct. Rd., 10.7 mi. N. of its jct. with Hwy. #96 in Happy Camp.; 0 Comment
  UC3328  Dichelostemma multiflorum Mrs. Palmer 1898-4-21 Siskiyou Shasta Comment
  POM109924  Dichelostemma multiflorum Geo D. Butler 1909-5-15 789 Siskiyou Shasta River hills. Comment
  CAS-BOT-BC290993  Dieteria canescens var. shastensis Elmer I. Applegate 1935-8-3 10011 Siskiyou Caldwell Butte, Lava Beds National Monument Comment
  UC86848  Dieteria canescens var. shastensis J. D. Hooker and A. Gray 1877-1 Siskiyou Shasta Mt. Comment
  SEINET13701295  Diplacus jepsonii D. M. Thompson 1988-1 932 Siskiyou Along Hwy 89, SW corner of jct of Bigelow Meadows Road and Hwy 89, opposite Hwy 89 from FR 40N16, 2.4 miles W of turnoff for Cattle Camp Road; 2.0 mile W of USFS Ash Creek Station, 8.0 miles E of McCloud. 1097 Comment
  CAS-BOT-BC153729  Diplacus nanus John Thomas Howell 1937-7-22 13299 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  SEINET8250644  Diplacus nanus J. M. Tucker 1963-7-7 3724 Siskiyou in vicinity of Pradise Lake, at the base of Kings Castle on the east side, MArble Mountain Wilderness Area. 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
  UC375204  Disporum hookeri Geo. D. Butler 1909-4-27 690 Siskiyou Quartz Valley Comment
  JEPS108465  Downingia pulcherrima Lisa Schultheis 1995-6-28 236 -95 Siskiyou Outside of Weed. Trailer Lane, just W of ramp to I-5 S. Comment
  CAS-BOT-BC41843  Draba breweri William Bridge Cooke 1940-7-26 15383 Siskiyou Mount Shasta. On the west side of Shastina above Merriam's timberline. 2895 Comment
  CAS-BOT-BC540707  Draba howellii Dana York 2012-7-21 3139 Siskiyou Siskiyou Mountains: Rogue River-Siskiyou National Forests, Red Butte Wilderness, NE Slope of Red Butte 1925 Comment
  CAS-BOT-BC210237  Draba pterosperma Dana York 2011-8-12 3038 Siskiyou Marble Mountain Wilderness. Klamath National Forest, Marble Mountain 2075 Comment
  RSA237377  Draba pterosperma Frederick W. Oettinger 1968-8-22 601 Siskiyou Above English Lake to Diamond Lake trail on English Lake side of pass. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2098 Comment
  CAS-BOT-BC41409  Draba verna L. E. Smith 1913-3-26 24 Siskiyou Yreka near depot. Comment
  HSC74867  Drymocallis glandulosa J. P. Smith, Jennifer Whipple 1978-7-2 9987 Siskiyou Trail from Cook and Green Pass to Copper Butte. 1768 Comment
  CAS-BOT-BC527346  Drymocallis glandulosa var. reflexa A. A. Heller 1916-6-20 12399 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy 1188 Comment
  RSA237852  Drymocallis glandulosa var. reflexa Frederick W. Oettinger 1969-8-1 1124 Siskiyou Above wiregrass meadow near English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  UC54354  Drymocallis hansenii H. M. Hall and E. B. Babcock June, 1903 4136 Siskiyou Pole Canyon Sierra Nevada Mountains, Pole Canyon (north-eastern Shasta County) 1463 Comment
  UC1409376  Drymocallis lactea var. austiniae Frederick W. Oettinger 1969-7-13 1002 Siskiyou moist meadow n Upper English Lake (High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area, English P 1950 Comment
  CAS-BOT-BC158414  Drymocallis pseudorupestris var. saxicola Alice Eastwood 1912-8-30 2026 Siskiyou Mount Eddy Comment
  CAS-BOT-BC158421  Drymocallis rhomboidea Louis C. Wheeler 1934-6-19 2732 Siskiyou Klamath National Forest. Cottonwood Creek 1432 Comment
  CAS-BOT-BC197268  Echinochloa muricata var. microstachya Carl B. Wolf 1927-8-26 994 Siskiyou On the Klamath River, 5 mi. below Hornbrook Comment
  SEINET7583464 Image available Eleocharis acicularis Frederick W. Oettinger 1969-8-15 1387 Siskiyou Salmon Mountains, vicinity of English Peak Marble Moutain Wilderness Area, inlet to Upper English Lake. 1768 Comment
  SEINET7583465 Image available Eleocharis acicularis Frederick W. Oettinger 1969-8-24 1518 Siskiyou Salmon Mountains, vicinity of English Peak Marble Moutain Wilderness Area, inlet to Upper English Lake. 1768 Comment
  CHSC114083  Eleocharis decumbens Danielle Roach 2011-9-13 CLS_ 1 C Siskiyou Sundew Fen, Caldwell Lakes Basin, headwaters of Parks Creek, east slope of China Mountain; UTM Zone 10N, 537220E 4580667N. 2028 Comment
  RSA603996  Elymus L. C. Wheeler 1934-8-14 3132 Siskiyou White Mountains 1768 Comment
  UC1265471  Elymus X hansenii Frederick W. Oettinger 1968-8-8 456 Siskiyou Craop Meadow Salmon Mountains, Marble Mountain Wilderness Area (w Siskiyou Co., high lake basins in vicinity of English Peak) 2164 Comment
  CAS-BOT-BC227926  Elymus elymoides Alice Eastwood 1921-7-29 10980 Siskiyou Bear Spring on road to Medicine Lake Comment
  POM205453  Elymus elymoides E. B. Copeland 1903-7-3 3536 Siskiyou Klamathon. Comment
  HSC76951  Elymus elymoides var. elymoides K. T. Stillman 1976-7-23 304 Siskiyou Marble Mtn. Wilderness Area 2012 Comment
  LA14810  Elymus glaucus Louis C. Wheeler; 1934-4-14 3143 Siskiyou Siskiyou Mountains, E end White Mt 1767 Comment
  UC197107  Elymus glaucus Geo. D. Butler 1909-6-19 836 Siskiyou along creek near Yreka Comment
  CAS-BOT-BC206598  Elymus glaucus subsp. glaucus Wm. Bridge Cooke 1938-8-19 11527 Siskiyou Lower Bear Spring, Mount Shasta 1524 Comment
  CAS-BOT-BC206610  Elymus glaucus subsp. glaucus Doris K. Kildale 1929-7-21 8750 Siskiyou Elk Lick, Sotuh Fork of Indian Creek 1219 Comment
  HSC30580  Elymus glaucus subsp. glaucus Frederick W. Oettinger 1969-8-18 1423 Siskiyou Marble Mountain Wilderness Area, N end of Horse Range Lake 1822 Comment
  HSC8748  Elymus spicatus D. M. Thomson 1965-6-19 90 Siskiyou Lava Beds National Monument, Captain Jacks Stronghold Comment
  HSC102715  Elymus stebbinsii J. P. Smith 2013-6-18 13748 Siskiyou Along Copco Road west of its junction with Age Road. 650 Comment
  JEPS68380  Elymus trachycaulus Geo. D. Butler 1909-6-28 850 Siskiyou along creek near Yreka Comment
  HSC92388  Elymus trachycaulus subsp. trachycaulus Jennifer Whipple 1977-7-21 2025 Siskiyou Near Durney Lake 2073 Comment
  RSA129177  Elymus trachycaulus subsp. trachycaulus H. S. Yates 1936-6-21 5819 Siskiyou 1 mile S E of Gazelle. Etna. Comment
  RSA34384  Epilobium anagallidifolium W. Bridge Cooke 1947-8-20 17818 Siskiyou Around the water supply spring above Horse Camp, Mount Shasta. 2515 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
  HSC77244  Epilobium brachycarpum L. P. Janeway 1983-9-11 666 Siskiyou Poker Flat 1524 Comment
  HSC208  Epilobium ciliatum subsp. ciliatum William J. Ferlatte 1966-8-2 226 Siskiyou Big Flat, between campground and S fork of the Salmon River 1524 Comment
  POM171578  Epilobium ciliatum subsp. glandulosum Doris K. Kildale 1929-8-24 9047 Siskiyou Rattlesnake Meadow, Preston Peak 1677 Comment
  HSC19492  Epilobium hornemannii subsp. hornemannii J. O. Sawyer 1969-7-11 1314 Siskiyou Above S Sugar Creek 2012 Comment
  HSC61783  Epilobium luteum Ruby Van Deventer Siskiyou Poker Flat 1585 Comment
  UCR37556  Epilobium luteum L. P. Janeway 1983-9-11 679 a Siskiyou Poker Flat 1524 Comment
  HSC44948  Epilobium minutum J. O. Sawyer 1978-6-17 3235 Siskiyou Marble Mtn. Wilderness Area, slopes E of Gem Lake 2073 Comment
  JEPS84343  Epilobium obcordatum L. R. Heckard with S. D'Alcamo, J. Hickman, S. Winchester 1986-7-16 6405 Siskiyou cirque at head of canyon Hell's Canyon (ca 5 mi n of town of Seiad Valley) 1750 Comment
  CHSC99583  Epilobium siskiyouense L. P. Janeway 2008-7-22 9445 Siskiyou Klamath Ranges. Between the Trinity Mountains, Castle Crags, and The Eddys; narrow ridge between Hart Lake and Little Castle Lake. Steep northwest-facing rock outcrop and scree slope. 1871 Comment
  RSA264944  Epilobium siskiyouense Gilbert Muth 1975-7-30 s.n. Siskiyou Near Kangaroo Mountain near Red Bluff. 1951 Comment
  CAS-BOT-BC58005  Equisetum Carl B. Wolf 1927-8-26 1084 Siskiyou On the Klamath River, 14 mi. above Happy Camp. Comment
  CAS-BOT-BC58009  Equisetum A. A. Heller 1920-8-11 13508 Siskiyou Metcalf's Ranch, ne. base of Mt. Eddy. 1158 Comment
  CAS-BOT-BC58021  Equisetum Melissa A. Berry 1957-7-8 s.n. Siskiyou N. Fork of the Salmon River. 609 Comment
  UC42745  Equisetum hyemale subsp. affine M. A. Howe 1894-8-8 196 Siskiyou woods near Shasta Springs Comment
  UC1045285  Equisetum laevigatum W. Bridge Cooke 1940-6-7 15088 Siskiyou just n Mts. Shasta city (along US 99) 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
  UC375492  Eremocarpus setiger Geo. D. Butler 1908-7-16 1031 Siskiyou Klamath River Comment
  HSC36423  Eremogone congesta J. O. Sawyer 1969-6-12 935 Siskiyou Along Duck Lake trail 1905 Comment
  RSA0045089  Eremogone congesta R. F. Thorne 1969-8-2 63335 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Trail to upper English Lake along Salmon River. 1159 Comment
  CAS-BOT-BC168328  Eremogone congesta var. congesta W. R. Dudley 1905-8-4 s.n. Siskiyou Mt. Eddy Comment
  CAS-BOT-BC168848  Eremogone congesta var. congesta H. A. Thomas; J. H. Thomas 1954-7-24 4507 Siskiyou Vicinity of Rush Lake and Rush Creek Meadow, about 9 miles E of Cecilville, Salmon - Trinity Mts. 1981 Comment
  CAS-BOT-BC174223  Eremogone congesta var. congesta Louis C. Wheeler 1934-8-2 3023 Siskiyou Head of Jaynes Canyon, Siskiyou Mts. 2072 Comment
  HSC69204  Eremogone congesta var. congesta Maralyn A. Renner 1980-9-1 2684 Siskiyou Bear Mtn. 1936 Comment
  UCD77353  Eremogone kingii var. glabrescens Robert E. Preston 2001-6-23 1596 Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W sw 1/4 of nw 1/4 Section 23 2042 Comment
  CAS-BOT-BC286693  Ericameria bloomeri Wm. Bridge Cooke 1938-9-17 11687 Siskiyou Mount Shasta. Horse Camp Comment
  CHSC57344  Ericameria nauseosa Michael D. Mayes 1983-4-16 7 Siskiyou Ca. 8 mi sw of Tulelake. Approx. 250 yds n of n entrance to Lava Beds National Monument. 1231 Comment
  UC1539983  Ericameria nauseosa M. Mitchell 1936-5-19 37 Siskiyou 1 1/4 mi w of Caldwell Butte; Lava Beds National Park 1417 Comment
  JEPS94845  Ericameria nauseosa var. speciosa Vernon H. Oswald and Lowell Ahart 1998-9-16 9630 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near junction of Meiss Lake-Sams Neck Road and Highway 97); Butte Valley National Grassland 1295 Comment
  UC1223066  Ericameria nauseosa var. speciosa Joseph P. Tracy 1949-9-15 18560 Siskiyou Black Bear Mine; Salmon Mountains 1219 Comment
  CAS-BOT-BC293497  Erigeron aliceae John Thomas Howell 1939-8-2 14879 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  RSA14491  Erigeron aliceae Elmer I. Applegate 1923-9-7 3950 Siskiyou Doggett Ridge, Siskiyou Mts., Klamath River Watershed. Comment
  HSC59903  Erigeron cervinus D. L. Goforth 1979-7-19 262 Siskiyou Caribou Lakes Basin, lakeside at upper lake. 2134 Comment
  RSA238780  Erigeron cervinus Frederick W. Oettinger 1968-9-1 645 Siskiyou SSW of Abbotts Lake, adjacent to Red Fir Forest. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1799 Comment
  UC1475692  Erigeron cervinus Muth and Overton 1979-8-12 13654 Siskiyou close to town of Fort Jones, near Cliff Lake; Scott Bar Quadrangle 1951 Comment
  HSC5512  Erigeron divergens M. S. Baker 1898-7-12 806 Siskiyou The Berch Fall River Valley Comment
  CAS-BOT-BC300379  Erigeron eatonii var. plantagineus Alice Eastwood 1921-7-28 10902 Siskiyou Medicine Lake Comment
  CAS-BOT-BC300431  Erigeron elegantulus L. E. Smith 1915-7-29 s.n. Siskiyou Bray Comment
  CAS-BOT-BC296126  Erigeron foliosus var. confinis Doris K. Kildale 1928-7-4 5490 Siskiyou Summit of divide between Salmon River and Scott Valley Comment
  HSC44706  Erigeron foliosus var. confinis J. O. Sawyer, E. Cope 1977-6-18 2898 Siskiyou Along Clear Creek trail below Ten Mile Creek 457 Comment
  HSC59017  Erigeron foliosus var. confinis Marvin Butler 1971-8-11 272 Siskiyou Near El Capitan Lake, close to town of Cave Junction 1769 Comment
  HSC19478  Erigeron glacialis var. glacialis J. O. Sawyer 1969-8-3 1781 Siskiyou Near Little Duck Lake 2073 Comment
  SBBG21933  Erigeron inornatus D. Myrick 1964-7-25 971 Siskiyou Panther Meadows below Ski Bowl Lodge, Mt Shasta 2346 Comment
  SEINET10473743  Erigeron inornatus Mary Merello 1993-6-25 Merello 726 Siskiyou Shasta National Forest. At end of Forest Service Road 39N 28, road to Lower Falls and Fowlers Campground. Open conifer woodlands. Disturbed. Along McCloud River. 970 Comment
  CAS-BOT-BC295425  Erigeron inornatus var. calidipetris H. Dearing; M. Dearing 1938-6-28 2179 Siskiyou Fowler Camp, McCloud River Comment
  UC468824  Erigeron inornatus var. inornatus W. A. Setchell, C. C. Dobie 1902-7-2 Siskiyou Sisson Mount Shasta, Sisson Comment
  HSC40994  Erigeron inornatus var. inornatus J. O. Sawyer 1972-7-14 2470 Siskiyou N Fork of Salmon River 1006 Comment
  CAS-BOT-BC295809  Erigeron petrophilus var. viscidulus Peter H. Raven 1956-9-4 10410 Siskiyou S. slope of Mt. Eddy 2682 Comment
  JEPS118703  Erigeron petrophilus var. viscidulus Julie Kierstead Nelson, Eric White, Rhonda Posey, Mary Ellen Colberg, Sasha Flamm 2010-8-9 2010 -028 Siskiyou East slope of Mount Eddy, headwaters of Wagon Creek. Mount Eddy 7.5' quad. Comment
  CAS-BOT-BC295813  Erigeron petrophilus var. viscidulus A. A. Heller 1918-7-16 13032 Siskiyou Mt. Eddy, west of Sisson 2133 Comment
  UC163905  Erigeron pumilus var. intermedius Geo. D. Butler 1910-6-3 1471 Siskiyou Quartz Valley Comment
  RSA153440  Erigeron strigosus Francia Chisaki, Helen Sharsmith 1960-8-20 4739 Siskiyou On Wildcat Canyon Road ca. 4 miles west of Callahan 1067 Comment
  HSC60051  Eriodictyon californicum M. A. Baker 1977-6-6 364 Siskiyou S of Happy Camp along Hwy. 96 Comment
  RSA15653  Eriodictyon californicum Carl B. Wolf 1927-8-26 1001 Siskiyou Klamath River, 5 miles below Hornbrook. Comment
  UC1211908  Eriodictyon californicum Roy L. Taylor 1960-6-12 4447 Siskiyou 1 mi w of jtn of Hwy 96 (Klamath River Rd.) and Hwy 99 n Yreka (above Klamath River); above Klamath River Comment
  HSC92072  Eriogonum alpinum Jennifer Whipple 1977-7-20 2002 Siskiyou N slopes of Mt. Eddy, above little lake draining into Durney Lake 2378 Comment
  CAS-BOT-BC248811  Eriogonum compositum var. compositum William A. Dayton 1913-6-16 278 Siskiyou Shasta National Forest. E. slope, Scott Mt., near Callahan - Gazelle stage road 1524 Comment
  HSC43397  Eriogonum compositum var. compositum K. T. Stillman 1976-7-7 201 Siskiyou Marble Mtn. Wilderness Area, W side of Marble Gap and Ridge 1982 Comment
  CAS-BOT-BC246491  Eriogonum diclinum John Thomas Howell 1937-7-25 13460 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CHSC1318  Eriogonum douglasii var. meridionale V. Holt 1943-8-7 Siskiyou Marble Mountains. 2164 Comment
  UC609321  Eriogonum elatum Eleanor Burks Hart 1938-8-15 926 Siskiyou n side of Upper Wright Lake Upper Wright Lake 2225 Comment
  UC909325  Eriogonum elatum Dorothy Parker 1948-8-5 172 Siskiyou dry rocky and sandy field, e. fork of Scott River Plowman's Valley, e. fork of Scott River 1188 Comment
  JEPS57002  Eriogonum elatum var. elatum Geo. D. Butler 1908-8-6 202 Siskiyou trail beyond Whiskey Camp (Independence Creek); Marble Mt. Reg., Independence Creek Comment
  CAS-BOT-BC255733  Eriogonum elatum var. elatum Elmer I. Applegate 1923-9-6 3945 Siskiyou Klamath River about 20 miles below the mouth of Shasta River Comment
  NY622277  Eriogonum greenei E. L. Greene 1876-7-7 s.n. Siskiyou Yreka Comment
  HSC77153  Eriogonum hirtellum L. P. Janeway 1983-8-7 522 Siskiyou Peak 5148 near end of USFS Rd. 17N32 19 mi. from Indian Creek Rd. 1555 Comment
  CHSC1337  Eriogonum lobbii V. Holt 1942-8-6 Siskiyou Caribou Ridge. 2438 Comment
  POM208193  Eriogonum luteolum Louis C. Wheeler 1934-6-28 2811 Siskiyou Siskiyou Mountains: Beaver Creek at West Fork. 701 Comment
  HSC28194  Eriogonum luteolum var. luteolum J. P. Smith, J. O. Sawyer 1971-9-18 4805 Siskiyou 1.2 mi. W of junction of Hwy. 3 and Rd. 8, N of Callahan. Comment
  UC912851  Eriogonum luteolum var. luteolum A. A. Heller 1917-9-7 12975 Siskiyou above mouth of the Shasta River; Klamath River Comment
  HSC83320  Eriogonum marifolium D. W. Taylor 1975-8-14 5460 Siskiyou Mt. Shasta between Shasta Ski area and Green Butte 2591 Comment
  CAS-BOT-BC263187  Eriogonum marifolium var. cupulatum Alice Eastwood 1921-7-28 10884 Siskiyou Medicine Lake Comment
  RSA601667  Eriogonum niveum Louis C. Wheeler 1935-6-27 3610 Siskiyou Greenview, Scott Valley. 884 Comment
  UC1483512  Eriogonum nudum var. nudum Maralyn A. Renner 1980-7-24 2119 Siskiyou about 1/4 mi sw, on Pacific Crest Trail Cook and Green Pass; Klamath National Forest, Seiad Valley Quad. 1493 Comment
  UC466000  Eriogonum nudum var. nudum Annie M. Alexander and L. Kellogg 1911-6-13 133 Siskiyou 6 mi nw Callahan Comment
  CAS-BOT-BC261619  Eriogonum nudum var. nudum Arthur Menzies 1962-7-21 s.n. Siskiyou Mt. Eddy 2377 Comment
  RSA495516  Eriogonum nudum var. nudum Elaine Joyal, D. Mehlman 1988-6-25 1279 Siskiyou Happy Camp - Takilma road at turn-off to Bolan Lake 1524 Comment
  SD22553  Eriogonum nudum var. nudum Susan G. Stokes 1932-7-14 Siskiyou Near Dorris Comment
  CAS-BOT-BC269744  Eriogonum nudum var. oblongifolium A. A. Heller 1916-9-1 12641 Siskiyou Near Yreka Comment
  UC585079  Eriogonum nudum var. pubiflorum E. B. Babcock, G. L. Stebbins Jr. 1936-6-11 1924 Siskiyou sw Yreka (s of highway); Forest House Mt. 1363 Comment
  HSC27100  Eriogonum nudum var. pubiflorum Thomas W. Nelson 1973-7-12 1072 Siskiyou At Callaghan Comment
  CAS-BOT-BC267708  Eriogonum roseum Louis C. Wheeler 1934-9-19 3282 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mts. 670 Comment
  CAS-BOT-BC268576  Eriogonum siskiyouense John Thomas Howell 1937-7-29 13628 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  HSC49952  Eriogonum siskiyouense G. L. Clifton, Ground 1978-7-2 1752 Siskiyou Near Hayden Cabin 1738 Comment
  NY323541  Eriogonum siskiyouense E. L. Greene 1876-8-22 1002 Siskiyou On Scott Mountain 2743.2 Comment
  UC1037412  Eriogonum siskiyouense Douglas Barbe 1955-7-28 316 Siskiyou nw Scott Mountain; Klamath Mountains 1737 Comment
  CAS-BOT-BC262729  Eriogonum sphaerocephalum var. halimioides L. E. Smith 1914-4-20 633 Siskiyou Yreka Comment
  SEINET5331617  Eriogonum sphaerocephalum var. halimioides G. Butler 1910-5-27 1428 Siskiyou Near Yreka. Comment
  RSA60792  Eriogonum strictum subsp. proliferum Dorothy Parker 1948-7-25 153 Siskiyou Schoolhouse Hill, Plowman's Valley. 1154 Comment
  CAS-BOT-BC262757  Eriogonum strictum var. anserinum Dorothy Parker 1948-7-25 153 Siskiyou Schoolhouse Hill, Plowman's Valley 1153 Comment
  UC55401  Eriogonum strictum var. proliferum Harley P. Chandler 1901-7-2 1733 Siskiyou Etna Mills North Coast Ranges, Etna Mills 914 Comment
  UCD101201  Eriogonum strictum var. proliferum Dean William Taylor; G. Ledyard Stebbins 1972-7-4 1623 Siskiyou along Highway 3, about 3 miles east of Etna. 1066 Comment
  SEINET7459646 Image available Eriogonum sulphureum Unknown 1927-1 14443 Siskiyou 5 mi. S. of Yreka. The type region. Comment
  HSC71009  Eriogonum ternatum S. A. Harris 1981-7-31 607 Siskiyou Steep gravel slope 1402 Comment
  CAS-BOT-BC267933  Eriogonum umbellatum A. A. Heller 1938-7-13 15271 Siskiyou About a mile south of Bray Comment
  CAS-BOT-BC267977  Eriogonum umbellatum var. argus A. A. Heller 1914-8-28 11742 Siskiyou East side of Mt. Eddy 2194 Comment
  UC454348  Eriogonum umbellatum var. argus I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1828 Comment
  RSA420577  Eriogonum umbellatum var. argus Louis C. Wheeler 1934-9-1 3234 Siskiyou Siskiyou Mountains, Jaynes Canyon. 1951 Comment
  RSA50154  Eriogonum umbellatum var. dumosum E. K. Balls 1949-7-10 13061 Siskiyou 8 miles from Sawyers Bar on way to Cecilville. 793 Comment
  CAS-BOT-BC268151  Eriogonum umbellatum var. humistratum Dorothy Parker 1948-8-16 182 Siskiyou Near summit of Salmon Mountain 1813 Comment
  HSC43429  Eriogonum umbellatum var. humistratum Jennifer Whipple 1976-9-3 1774 Siskiyou E facing slopes near Little Crater Lake 2195 Comment
  UC1540140  Eriogonum umbellatum var. nevadense Dean Wm. Taylor, Glenn L. Clifton, R. Doug Stone 1987-8-7 9265 Siskiyou on northern interior rim of crater Lava Beds National Monument, Caldwell Butte 1499 Comment
  UC55525  Eriogonum umbellatum var. nevadense Harley P. Chandler June, 1901 1670 Siskiyou Marble Mountain North Coast Ranges, Marble Mountain 2438 Comment
  UCSB63911  Eriogonum umbellatum var. nevadense Oswald, Vernon; Ahart, Lowell 1997-7-28 Siskiyou Southeast of Medicine Lake at Paynes Springs: T43N R4E NW1/4 Sect. 19; on the rim of Paynes Creek Canyon north of the campground 1981 Comment
  RSA50236  Eriogonum umbellatum var. polyanthum E. K. Balls 1949-7-9 13945 Siskiyou Salmon Mtns. top of pass on rd from Etna to Sawyer's Bar. 1479 Comment
  RSA254926  Eriogonum vimineum James L. Reveal, Caroline G. Reveal 1974-8-17 3796 Siskiyou Along California Highway 3, 4.5 mi. east of Callahan and 2.5 southeast of the junction with the county road to Gazeele 1372 Comment
  JEPS34609  Eriophyllum lanatum var. achilleoides George D. Butler 1909-4-30 688 Siskiyou near Yreka Comment
  CAS-BOT-BC301118  Eriophyllum lanatum var. achilleoides L. Constance 1933-6-21 E 83 Siskiyou South side of the Siskiyou Mts., 1 mile south of the Oregon-California State Line Comment
  CAS-BOT-BC301130  Eriophyllum lanatum var. achilleoides Lewis S. Rose 1945-6-23 45180 Siskiyou Junction of Shata [Shasta] River & Klamath River 624 Comment
  HSC5613  Eriophyllum lanatum var. achilleoides R. C. Wunner 1965-6-29 290 Siskiyou California Lava Beds National Monument; Tichner Rd. 1 1/2 mi. from Mammoth Crater 1555 Comment
  POM358038  Eriophyllum lanatum var. grandiflorum B. C. Templeton 1957-6-24 s.n. Siskiyou Near top of Gazelle Mt., Scott Mts. 1463 Comment
  CAS-BOT-BC308280  Eriophyllum lanatum var. integrifolium L. Constance 1940-7-26 15368 Siskiyou Diller Canyon, Mount Shasta 2133 Comment
  JEPS80585  Eriophyllum lanatum var. lanceolatum Gilbert Muth 1965-7-29 134 Siskiyou trail to Marble Mountain Lookout; Marble Mt. Wilderness Area 1792 Comment
  SDSU4103  Eriophyllum lanatum var. lanceolatum D. F. Howe 1962-8-5 3396 Siskiyou 15.2 miles east of Happy Camp on #96. 549 Comment
  UC1094384  Eryngium articulatum R. C. Bacigalupi with S. Galen Smith June 1957 5972 Siskiyou ca. 2 mi. n. Weed (along Hwy. 99) 1036 Comment
  RSA15584  Eryngium articulatum C. B. Wolf 1927-8-27 7744 Siskiyou On the Klamath River at the mouth of Dillon Creek Comment
  UC375298  Erysimum capitatum Geo. D. Butler 1909-7-20 894 Siskiyou Highland Mine Comment
  HSC194  Erysimum perenne William J. Ferlatte 1966-7-6 184 Siskiyou Caribou Mtn. 2470 Comment
  LA87409  Erysimum perenne J. M. Tucker; 1963-7-7 3717 Siskiyou Marble Mountain Wilderness Area, in vicinity of Paradise Lake, at base of Kings Castle on E side 1981 Comment
  CHSC118627  Erythranthe guttata Julie Kierstead Nelson; Martin Lenz, Rhonda Posey, Brenna Montagne 2016-6-9 2016 -029 Siskiyou Lower Parks Creek watershed, E Klamath Range; slope above Forest Service Road 42N19, 4 miles northwest of Stewart Springs; UTM NAD 83 Zone 10, 539166m E, 4587170m N. 1529 Comment
  SD88545  Erythranthe guttata Darley F. Howe 1972-7-5 Siskiyou 0.6 miles south of Oregon state line on road to Happy Camp 1707 Comment
  CDA39347  Erythronium californicum D. Osterhandt & D. H. Shaw 1978-3-31 s.n. Siskiyou Along road between Forks of Salmon and Somes Bar, southwestern part of county. 0 Comment
  SEINET10528989  Erythronium grandiflorum var. parviflorum Harley P. Chandler Chandler 1619 Siskiyou Ridges and meadows near Marble Mountain. 2135 Comment
  CAS-BOT-BC403684  Eschscholzia californica Mrs. H. C. Cantelow 1936-5-30 1365 Siskiyou Bet. Yreka and Fort Jones Comment
  POM125700  Eschscholzia californica var. crocea Geo. D. Butler 1910-5-7 1301 Siskiyou Yreka. Comment
  JEPS81781  Eucephalus glabratus Rimo Bacigalupi with Reino and Aloha Alava 1958-9-3 6892 Siskiyou upper edges Poker Flat (very close to the ne portion of Del Norte Co.); Siskiyou Mountains, upper edges of Poker Flat 1536 Comment
  SEINET5708609 Image available Eucephalus glabratus Lowell E. Urbatsch, Vesna Karaman, Castro 2000-1 7703 Siskiyou Scott Mts., Collected along Road 17, 12.7 miles SW from the intersection of I-5 and Stewart Spring Rd.; Scott Mountains 2036 Comment
  HSC44602  Euonymus occidentalis Laura Witherspoon 1977-7-12 Siskiyou On the periphery of Flint Valley 1341 Comment
  RSA120927  Euphorbia crenulata Milo S. Baker, Douglas Barbe, H. K. Wagnon 1957-6-15 13104 Siskiyou Just south of Weed. Comment
  RSA433517  Euphorbia spathulata W. Bridge Cooke 1940-6-20 15154 Siskiyou Along the Pacific Highway (US99) in the Klamath River Gorge below Hornbrook. Comment
  CDA38003  Euphorbia virgata CDFA Staff Jun 1973 s.n. Siskiyou Dorris. 0 Comment
  UC29852  Eurybia integrifolia Milo S. Baker 1893-6 Siskiyou 6 mi below Bartles; McCloud River Comment
Read comments Nov 16 2006
  CAS-BOT-BC310631  Eurybia radulina John Thomas Howell 1939-8-9 15246 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  CAS-BOT-BC310639  Eurybia radulina Doris K. Kildale 1929-8-7 8953 Siskiyou Base of K_by [?] Peak 457 Comment
  CAS-BOT-BC278723  Festuca idahoensis K. T. Stillman 1976-7-21 274 Siskiyou Marble Mountain Wilderness Area Comment
  JEPS107387  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
  RSA121317  Festuca idahoensis H. A. Jensen 1933-9-30 357 Siskiyou Signal Butte. 1341 Comment
  RSA239114  Festuca idahoensis Frederick W. Oettinger 1968-8-8 452 Siskiyou Crapo Meadows. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  UC1024797  Festuca idahoensis Leo Whitney 1934-6-29 2226 Siskiyou near Tennant; Antelope Creek 1463 Comment
  HSC19060  Festuca occidentalis J. O. Sawyer 1969-7-23 1174 Siskiyou Near Horse Range Creek. 1341 Comment
  POM198352  Festuca occidentalis Geo D. Butler 1910-7-12 1752 Siskiyou Shackleford Creek. 1220 Comment
  UC818049  Festuca occidentalis Alice Eastwood 1912-7-17 1098 Siskiyou McCloud Comment
  CAS-BOT-BC278917  Festuca ovina C. L. Hitchcock; J. S. Martin 1939-7-9 5321 Siskiyou 1/2 mile southeast of King's Castle, Marble Mts. 1828 Comment
  HSC75129  Festuca pratensis J. P. Smith, Thomas W. Nelson 1979-6-16 10148 Siskiyou Klamath National Forest. State Route 3, 1 mi. from Scott Mtn. Summit. 1341 Comment
  UCD66265  Festuca roemeri R. Tofsrud 1949-8-3 Siskiyou Soap Creek Ridge, between Yreka and Fort Jones. Comment
  RSA656724  Festuca roemeri var. klamathensis Barbara L. Wilson 1996-6-23 8177 Siskiyou Near the Klamath National Forest but in private land, on Forest service road 43N21, half mile west of intersection with Quartz Valley Road. 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-BC278640  Festuca subulata Ira L. Wiggins 1955-7-29 13591 Siskiyou Along Thompson Creek, 3.5 mi. above S Fork of Salmon River 1371 Comment
  RSA238398  Festuca subulata Frederick W. Oettinger 1969-9-4 1655 Siskiyou Margin of dry meadow below Tobacco Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  UCD66440  Festuca subulata A. A. Heller 1916-7-20 12466 Siskiyou Metcalf's ranch, northeast base of Mt. Eddy in openings in the forest. 1188 Comment
  UC796662  Fragaria vesca Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11741 Siskiyou w of Callahan (French Creek Logging Road) 1066 Comment
  CAS-BOT-BC447514  Fragaria virginiana var. platypetala Geo. D. Butler 1908-8-10 278 Siskiyou Shackleford Creek 1524 Comment
  CAS-BOT-BC53258  Frangula californica subsp. californica Wm. Bridge Cooke 1938-8-5 11436 Siskiyou MacBride Spring Road 1524 Comment
  CAS-BOT-BC53259  Frangula californica subsp. californica Arthur Menzies 1962-7-21 s.n. Siskiyou Morgan Meadows, base of Mt. Eddy 1706 Comment
  CAS-BOT-BC53263  Frangula californica subsp. californica Marion Ownbey; Fred G. Meyer 1940-7-8 2224 Siskiyou Dry hillside along Indian Creek, 12 miles above Happy Camp Comment
  CAS-BOT-BC53413  Frangula californica subsp. occidentalis W. R. Dudley 1892-6-23 s.n. Siskiyou Castle Lake Trail, near Mt. Shasta Comment
  HSC100193  Frangula purshiana J. P. Smith, & J. O. Sawyer 2011-9-5 13416 Siskiyou Along Yreka-Walker Road (County Road 7J001). 953 Comment
  SBBG26935  Frangula purshiana subsp. purshiana D. K. Kildale 1928-7-25 Siskiyou Mack's Crk near Hamburg along Klamath River Comment
  HSC18420  Frangula rubra subsp. modocensis D. M. Thosmon 1965-8-14 183 Siskiyou Base of S side of Caldwell Butte, Lava Beds National Monument, 0.25 mi from rd. Comment
Read comments Sep 14 2016
  SEINET8584501  Frasera albicaulis var. nitida G. D. Butler 1910-6-2 1451 Siskiyou Dry land near Yreka. Comment
  CAS-BOT-BC223578  Fraxinus latifolia Lewis S. Rose 1945-6-18 45073 Siskiyou Horse Creek & Klamath River 502 Comment
  CAS-BOT-BC223586  Fraxinus latifolia L. R. Short 1933-6-8 33 Siskiyou Klamath National Forest. Klamath River bank 701 Comment
  CAS-BOT-BC223587  Fraxinus latifolia Louis C. Wheeler 1934-9-15 3262 Siskiyou Klamath National Forest. Walker 518 Comment
  UC1174947  Fraxinus latifolia P. C. Everett and E. K. Balls 1959-10-24 23948 Siskiyou 3.3 mi nw from Forks along Salmon River (Sawyers Bar To Somesbar) 365 Comment
  CAS-BOT-BC130175  Fritillaria affinis Elmer I. Applegate 1932-4-16 7064 Siskiyou Between Hamburg and Seiad Valley, Klamath River Comment
  CAS-BOT-BC502838  Fritillaria atropurpurea Wm. F. Herrin 1922-5-1 s.n. Siskiyou Shasta Springs Comment
  CAS-BOT-BC502847  Fritillaria atropurpurea Wm. Bridge Cooke 1938-7-1 11155 Siskiyou Mount Shasta below Wagon Camp 1706 Comment
  LA22119  Fritillaria atropurpurea Carl Epling; 1938-6-24 11102 Siskiyou Mount Shasta, along the Sisson Southern Trail 1523 Comment
  RSA289931  Fritillaria atropurpurea Geo D. Butler 1909-4-27 689 Siskiyou Quartz Valley Comment
  HSC78195  Fritillaria glauca L. P. Janeway 1983-7-3 366 Siskiyou Ridgetop NW of Poker Flat (Siskiyou crest) 1585 Comment
  JEPS61947  Fritillaria pudica J. W. Kisling 1910-1 Siskiyou Edgewood Comment
  HSC40207  Fritillaria pudica J. P. Smith 1976-5-21 8756 Siskiyou Along FS Rd. 40N08, 1 mi. from its junction with Hwy. 3, Klamath National Forest 1646 Comment
  RSA289933  Fritillaria recurva Geo D. Butler 1909-4-14 596 Siskiyou Humbug Comment
  POM367630  Galium M. B. Dunkle 1945-7-22 9243 Siskiyou Marble Mtns. Klamath National Forest. Comment
  HSC29315  Galium aparine Frederick W. Oettinger 1969-8-1 1131 Siskiyou Marble Mtn. Wilderness Area: N of Wiregrass Meadow near English Lake 1677 Comment
  HSC96831  Galium aparine S. Lyon 2006-6-3 3 Siskiyou E side of Eddy Gulch Rd., 3 mi. S of the intersection with Sawyers Bar Rd. 915 Comment
  JEPS6704  Galium bolanderi Geo. D. Butler 1909-7-15 946 Siskiyou Highland Mine Comment
  HSC30493  Galium bolanderi Frederick W. Oettinger 1969-8-22 1486 Siskiyou Salmon Mtns., along trail entering Horse Range Lake Basin 1768 Comment
  HSC36189  Galium bolanderi J. O. Sawyer 1969-6-11 819 Siskiyou Near C.C.C. road, in Horse Range Creek drainage 1360 Comment
  JEPS16371  Galium glabrescens Peter H. Raven 1956-9-4 10399 Siskiyou s side Mount Eddy 2560 Comment
  SD70495  Galium glabrescens F. Ehrendorfer, Stebbins, Dempster 1959-9-26 5963 Siskiyou I(c) mile south-southeast of Castle Lake, southwest of Mount Shasta Village 1830 Comment
  UC220540  Galium grayanum H. E. Brown Jun 11 1897-Jun 16 1897 435 Siskiyou n side Mt. Shasta 1524 Comment
  JEPS119371  Galium grayanum var. grayanum Dana York 2011-8-12 3042 Siskiyou Klamath National Forest, Marble Mountain. Comment
  CHSC91385  Galium parisiense Lowell Ahart; John Dittes 2005-6-10 12116 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
  JEPS25703  Galium parisiense P. C. Hutchison 1961-5-22 2038 Siskiyou 2.7 mi n Clear Creek (on hwy US 299, w side of river, 5.7 mi s of Happy Camp); Klamath River Comment
  HSC19067  Galium triflorum J. O. Sawyer 1969-8-4 1891 Siskiyou Above S Sugar Lake 2043 Comment
  UC637135  Galium triflorum Edward Lee 1934-8-11 1030 Siskiyou Walker Creek (tributary of Klamath River) Seiad Valley (e side of valley) 609 Comment
  RSA238879  Galium triflorum Frederick W. Oettinger 1967-8-20 287 Siskiyou Just below Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  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-BC182249  Garrya fremontii Dorothy Parker 1948-2-27 215 Siskiyou South slope, in Plowman's Valley 1219 Comment
  POM208314  Garrya fremontii Louis C. Wheeler 1934-6-22 2764 Siskiyou Cottonwood Creek, Siskiyou Mountains. 1067 Comment
  UC166165  Garrya fremontii Geo. D. Butler 1910-3-10 1125 Siskiyou near Yreka Comment
  SEINET5765235  Garrya fremontii G. D. Butler 1910-6-17 1565 Siskiyou Humbug Mountain. Comment
  HSC19178  Gaultheria humifusa J. O. Sawyer 1968-7-9 452 Siskiyou W of Little Duck Lake. 1936 Comment
  HSC65278  Gaultheria ovatifolia Rich White 1977-6-4 81 Siskiyou 1/2 mi. from Buck Lake 1244 Comment
  JEPS27556  Gayophytum diffusum subsp. parviflorum Geo. D. Butler 1908-8-3 165 Siskiyou near Log Lake and Shackelford Creek ((south of Red Mountain)) 1524 Comment
  HSC19496  Gayophytum humile J. O. Sawyer 1969-8-1 1648 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC78328  Gayophytum humile L. P. Janeway 1983-7-31 477 Siskiyou Poker Flat, upper portion of meadow. 1524 Comment
  NY297626  Gentiana copelandii A. Eastwood 1912-8-30 2037 Siskiyou Mount Eddy Comment
  HSC96860  Gentiana newberryi var. newberryi Gordon Leppig, J. Cromwell 1997-7-25 577 Siskiyou Klamath National Forest, Russian Wilderness, cirque W of Little Duck Lake 2200 Comment
  UC1495353  Gentianopsis simplex Robert T. Clausen and Harold Trapido 1940-7-26 4954 Siskiyou s. side Mt. Shasta (Wagon Camp); Southern Cascade Mts., , Wagon Camp 1737 Comment
  HSC91280  Gentianopsis simplex Jennifer Whipple 1976-9-4 1791 Siskiyou Mt. Eddy, SW of Dobkins Lake along the drainage into the lake 2226 Comment
  UC375385  Geum macrophyllum Geo. D. Butler 1910-6-19 351 Siskiyou Goosenest Foothills 1524 Comment
  CAS-BOT-BC143590  Geum triflorum John Thomas Howell 1939-8-8 15176 Siskiyou Black Mts., Marble Mts. Comment
  JEPS69515  Gilia capitata subsp. capitata Geo. D. Butler 1909-5-10 741 Siskiyou near Yreka; near Yreka Comment
  UC1409306  Gilia capitata subsp. capitata Frederick W. Oettinger 1968-8-16 536 Siskiyou Red Hill n Hancock Lake (High Lake Basins in the vicinity of English Peak, Marble Mountain Wilderness Area, Salmon Mountains, Western Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 2057 Comment
  UC23896  Gilia capitata subsp. capitata T. H. Gilbert June 15 1899-July 15, 1899 Siskiyou Scott River Valley Comment
  UC643267  Gilia sinuata W. Bridge Cooke 1940-6-4 15008 Siskiyou along Bolam Road (on the n side of the mountain); Mount Shasta, n side of the mountain Comment
  HSC44649  Githopsis specularioides J. P. Smith 1973-5-5 6534 Siskiyou Scott Bar along the Scott River Comment
  JEPS93898  Glyceria borealis Vernon H. Oswald and Lowell Ahart 1998-7-21 9352 Siskiyou ne of Weed and s of Macdoel (along Old State Highway on w side of Bray); Bray, Old State Highway 1417 Comment
  CAS-BOT-BC282724  Glyceria elata John Thomas Howell 1939-8-5 15071 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  UC197495  Glyceria elata Geo. D. Butler 1910-7-14 1780 Siskiyou Shackleford Creek Comment
  UCD85108  Glyceria elata AHM 1955-7-29 55 T Siskiyou Klamath National Forest. Marble Mountains. Clear Lake. 1798 Comment
  CHSC61576  Glyceria striata L. P. Janeway 1983-9-11 684 Siskiyou Siskiyou Mountains; at Poker Flat, in the middle of the lower part of the meadow. 1524 Comment
  HSC26904  Glyceria striata J. P. Smith, J. O. Sawyer 1971-9-17 4784 Siskiyou On trail up to Little Duck lake 1829 Comment
  UC1265401  Glyceria striata F. W. Oettinger 1969-9-4 1403 Siskiyou English Lake Salmon Mountains (w Siskiyou County) 1889 Comment
  JEPS34044  Gnaphalium palustre W. L. Jepson 1940-7-3 20101 Siskiyou Big Bear Flat (large mdw. e 5 mi se of Bartle) Big Bear Flat 1219 Comment
  POM4641  Gnaphalium palustre Copeland 1903-10-5 3826 Siskiyou Igerna. Comment
  POM168319  Goodyera oblongifolia E. B. Copeland 1903-8-19 3929 Siskiyou Mt. Eddy 1372 Comment
  POM58287  Grindelia nana E. B. Copeland 1903-8-14 3884 Siskiyou Sisson. Comment
  CAS-BOT-BC388470  Gypsophila paniculata T. C. Fuller 1967-6-29 16038 Siskiyou W. of Medo-Bel Dairy, College Ave., s.w. part of Weed Comment
  CDA37677  Gypsophila paniculata R. Breckenridge/D. Kratville 2002-6-2 s.n. Siskiyou Weed; College Ave. 0 Comment
  CAS-BOT-BC419706  Hackelia bella Mary Merello; H. H. Schmidt; L. Woodruff 1993-6-23 702 Siskiyou Shasta Trinity National Forest County Road A-10 (Everitt Memorial Hwy.) along roadside at the John Everitt Vista Point. 1800 Comment
  UCD119369  Hackelia bella Dean William Taylor 1972-7-2 1619 Siskiyou Near Etna, along Highway 3. Comment
  RSA211250  Hackelia bella W. J. Ferlatte 1966-7-7 211 Siskiyou A flora of the Trinity Alps of northern California. Northwest side of Caribou Mountain. 1829 Comment
  CHSC9491  Hackelia californica J. F. Goodwin 1971-7-3 133 Siskiyou 0.1 mi. south of road at Multiple Use Area, 4.9 mi. south of Mt. Shasta Ski Bowl area. 1889 Comment
  JEPS2565 Image available Hackelia californica C. G. Pringle 1881-8-23 Siskiyou Mount Shasta Comment
  JEPS55564  Hackelia californica W. L. Jepson 1940-6-30 20065 Siskiyou 6 mi e of McCloud (Fowlers Camp); McCloud River 944 Comment
  CDA40629  Hackelia californica J. Grisham 1958-6-16 584 -58 Siskiyou Near town of Mt. Shasta. 0 Comment
  RSA235938  Hackelia californica J. L. Gentry Jr., David Vierig 1968-6-18 2065 Siskiyou 12.1 miles northwest of Siskiyou-Shasta Co. line on Calif. Hwy. 89. Comment
  HSC18  Hackelia micrantha William J. Ferlatte 1966-6-22 91 Siskiyou Along the S Fork of the Salmon River, between the campground and Carter's 1524 Comment
  HSC58850  Hackelia micrantha Marvin Butler 1971-7-7 43 Siskiyou Near Mary's Meadow, close to the town of Cave Junction 1464 Comment
  UC1186469  Hackelia micrantha John H. Weiler, A. P. Nelson 1960-6-26 60223 Siskiyou 0.6 mi n of Bacon Rind Public Camp (s of Sawyers Bar) Comment
  HSC29348  Hackelia micrantha Frederick W. Oettinger 1968-9-2 667 Siskiyou Marble Mtn. Wilderness Area, base of cliffs, SW of Upper English Lake 1875 Comment
  HSC626  Hackelia micrantha William J. Ferlatte 1966-7-7 213 Siskiyou NW side of Caribou Mtn. 1829 Comment
  SEINET12281162  Hackelia micrantha J. P. Tracy 1951-1 19494 Siskiyou summit of Siskiyous, at crossing of Takilma-Happy Camp Rd, near state line Comment
  HSC81616  Hastingsia alba Thomas W. Nelson, Jane P. Nelson 1980-7-19 6208 Siskiyou Along USFS Rd. 40N17 1.0 mi. from junction with Callahan-Cecilville Rd. 1585 Comment
  JEPS62095  Hastingsia alba W. L. Jepson 1914-8-13 5789 Siskiyou Sisson 1097 Comment
  SBBG30578  Hastingsia alba D. Myrick 1968-6-29 2055 Siskiyou Big Flat, head of Coffee Crk; Trinity Alps 1524 Comment
  CAS-BOT-BC504601  Hastingsia alba Geo. D. Butler 1910-6-5 1482 Siskiyou Shackleford Creek Comment
  CAS-BOT-BC504613  Hastingsia alba A. A. Heller 1928-6-23 14648 Siskiyou Along the Pacific Highway near Edgewood in the Shasta valley Comment
  CAS-BOT-BC506195  Hastingsia alba David D. Keck 1949-7-20 6364 Siskiyou Meadow at Scott Mountain Summit at Trinity County line 1633 Comment
  CAS-BOT-BC508657  Hastingsia alba Palmer no date on the lable s.n. Siskiyou Sisson Comment
  RSA760957  Hastingsia alba Robert F. Thorne, Frederick W. Oettinger 1969-8-4 63389 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak 1890 Comment
  SEINET12044228  Hastingsia alba W. L. Jepson 1894-1 s.n. Siskiyou upper Sacramento, Sisson [Mount Shasta] Comment
  UC1212562  Hastingsia alba Francia Chisaki, Helen K. Sharsmith 1959-8-20 4734 Siskiyou divide between Scott River and East Fork Salmon River near Carrigher's Summit; Inner North Coast Ranges, Scott River, E Fk Salmon River 1981 Comment
  HSC30273  Hazardia whitneyi var. discoidea William J. Ferlatte 1971-9-18 1382 Siskiyou Sawtooth Ridge between Caribou Basin and Stuarts Fork 2287 Comment
  UC1282032  Helenium bigelovii Louise Kellogg Aug 8 1953-Aug 9 1953 122 Siskiyou Scott Mountain Public Campground Klamath National Forest, Scott Mountains 1630 Comment
  CAS-BOT-BC306736  Helenium bigelovii Gilbert Muth 1965-8-2 s.n. Siskiyou Marble Valley Comment
  HSC62634  Helenium bigelovii Ruby Van Deventer 1958-7-12 Siskiyou Young's Valley Comment
  SEINET11196740 Image available Helenium bigelovii G. D. Butler 1910-7-7 1649 Siskiyou Shackleford Creek 1219 Comment
  UC584277  Helenium bigelovii G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2470 Siskiyou w side of river near Trumble Ranch (along road from Callahan to Carrville); Trinity River 1050 Comment
  HSC44710  Helianthella californica J. O. Sawyer, E. Cope 1977-6-18 2920 Siskiyou Along Clear Creek Trail between Ten Mile Creek and Bear Pen Creek 610 Comment
  JEPS109775  Helianthus exilis Dean W. Taylor 2002-7-27 18280 Siskiyou Highway 3 2.3 miles North of Scott Mountain Summit 1386 Comment
  JEPS38310  Hemizonella minima W. L. Jepson 1907-7-5 2823 Siskiyou Marble Mt. Comment
  JEPS84315  Hemizonella minima L. R. Heckard with J. Hickman et al. 1986-7-17 6548 Siskiyou ca 1 mi ne Buckhorn 2100 Comment
  UC722218  Hemizonella minima C. L. Hitchcock and J. S. Martin 1939-7-9 5325 Siskiyou 1/2 mi se King's Castle; Marble Mts. 1828 Comment
  SDSU4585  Hemizonia congesta subsp. clevelandii D. F. Howe 1977-7-2 4984 Siskiyou 7 miles west of Fort Jones on Scott River road. 671 Comment
  HSC69403  Heracleum maximum Maralyn A. Renner 1980-8-8 2434 Siskiyou Rattlesnake Meadow 1646 Comment
  CHSC91337  Hesperochiron californicus Lowell Ahart; John Dittes 2005-6-10 12105 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
  SEINET10939147  Heterocodon rariflorum Cooke COOKE 49262 Siskiyou MT SHASTA 4000 Comment
  POM40918  Heterotheca oregona var. rudis Geo D. Butler 1910-7-16 1790 Siskiyou Oro Fino Comment
  RSA0063197  Heuchera merriamii John T. Howell 1939-8-2 14863 Siskiyou Spirit Lake, Marble Mts. Comment
  HSC96812  Heuchera micrantha S. Lyon, J. McIntire 2006-6-25 28 Siskiyou 1.5 mi. SE of Blackbear Summit on USFS Rd. 39N14 1494 Comment
  CAS-BOT-BC420935  Heuchera micrantha var. diversifolia A. M. Vollmer; L. Beane 1951-6-2 50 Siskiyou Road betw. Streamline Lodge & Deer Camp, n. of Klamath River Highway Comment
  RSA296722  Heuchera micrantha var. macropetala Clark L. Miller 1979-4-28 1108 Siskiyou 10 miles SE along Salmon River Comment
Read comments Aug 31 2009
  HSC30651  Heuchera rubescens Frederick W. Oettinger 1969-9-4 1664 Siskiyou Marble Mtn. Wilderness Area, S side of Tobacco Lake Basin 1829 Comment
  OBI80260  Hieracium albiflorum David J. Keil, Kathleen Keil 1990-7-28 s.n. Siskiyou Marble Mountains. Klamath National Forest. Rye Patch Creek Trail. 1700 Comment
  UC1408927  Hieracium albiflorum Frederick W. Oettinger 1969-9-4 1641 Siskiyou Hancock Lake, NW side Salmon Mountains, Marble Mountains Wilderness Area (vicinity of English Peak) 1950 Comment
  HSC60907  Hieracium albiflorum Al Hobart Siskiyou Black Butte Comment
  RSA215640  Hieracium gracile Gilbert Muth 1969-8-8 1291 Siskiyou Gap Meadow, Boulder Peak Ridge. 2287 Comment
  CAS-BOT-BC318545  Hieracium greenei Gilbert J. Muth 1969-8-7 1268 Siskiyou Boulder Peak Ridge 2468 Comment
  UC92059  Hieracium greenei T. S. Brandegee Siskiyou Mount Shasta Comment
  CAS-BOT-BC318542  Hieracium greenei A. A. Heller 1925-7-29 13909 Siskiyou Along the Pacific highway near Black Butte, north of teh town of Mt. Shasta Comment
  HSC67805  Hieracium horridum J. O. Sawyer, J. Cole 1980-7-22 3962 Siskiyou NW slopes of Cedar Mtn. 1524 Comment
  RSA211206  Hieracium scouleri William J. Ferlatte 1966-8-5 340 Siskiyou Caribou Mountain. 2470 Comment
  UC134363  Hieracium scouleri unknown 1892-6-28 Siskiyou Jaynesville Comment
  CAS-BOT-BC320110  Hieracium triste J. M. Tucker 1950-7-23 1942 Siskiyou Panther Meadows, south slope of Mount Shasta 2407 Comment
  JEPS93890  Hippuris vulgaris Vernon H. Oswald and Lowell Ahart 1998-7-21 9349 Siskiyou ne of Weed and s of Macdoel (along Old State Highway on the w side of Bray); Bray, Old State Highway 1417 Comment
  HSC4860  Holodiscus discolor J. O. Sawyer 1968-7-9 407 Siskiyou Ridge between Sugar Creek and Duck Lake Creek drainages 2195 Comment
  HSC91  Holodiscus discolor William J. Ferlatte 1967-8-20 1044 Siskiyou Caribou Basin, Sawtooth Ridge, steep, N-facing slope 2043 Comment
  RSA449787  Holodiscus discolor M. B. Dunkle 1944-7-15 9095 Siskiyou Siskiyou National Forest. Comment
  CAS-BOT-BC150143  Holodiscus microphyllus var. glabrescens E. B. Copeland 1903-10-11 3784 Siskiyou Mt. Eddy Comment
  RSA714933  Holodiscus microphyllus var. glabrescens M. E. Fishbein, Doris Greer 2006-8-3 5874 Siskiyou S base of Medicine Lake Glass Flow, just N of Medicine Lake. 2070 Comment
  CHSC71295  Holosteum umbellatum subsp. umbellatum Vernon H. Oswald; Lowell Ahart 1998-6-11 9201 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. Meadow. 1402 Comment
  UCD98179  Holosteum umbellatum subsp. umbellatum John Thomas Howell 1964-5-11 40699 Siskiyou Grenada. 822 Comment
  RSA591657  Hordeum brachyantherum L. C. Wheeler 1934-8-14 3133 Siskiyou North side White Mt., Siskiyou Mts., Mt. Diablo Mer. 1768 Comment
  POM352503  Hordeum marinum subsp. gussoneanum L. C. Wheeler 1934-6-22 2749 Siskiyou Cottonwood Creek; Siskiyou Mountains; Mt. Diablo Mer. 915 Comment
  RSA88251  Horkelia daucifolia Geo. D. Butler 1909-5-8 713 Siskiyou Shasta Valley Comment
  SEINET8224842  Horkelia daucifolia A. Heller 1927-5-14 14384 Siskiyou Shasta Valley, near Gazelle. Comment
  CHSC69088  Horkelia fusca subsp. parviflora Vernon Oswald; Lowell Ahart 1997-7-28 8800 .1 Siskiyou Pumice Stone Well 0.2 mi south of Medicine Lake Rd. on Forest Route 15. At the edge of a meadow. 1905 Comment
  JEPS84075  Horkelia hendersonii L. R. Heckard with J. Hickman 1986-7-17 6501 Siskiyou ca 15 mi Hwy 96 (Walker) (road to Condrey Mt.); Oak Knoll Ranger Station 2000 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-BC539742  Horkelia tridentata var. flavescens David D. Keck 1938-8-8 4872 Siskiyou Siskiyou Co. at Trinity Co. line: Scott Mountain Divide, between Scott Mtn. and Craggy Peak 1676 Comment
  CAS-BOT-BC201123  Hosackia crassifolia Alice Eastwood 1912-7-15 111 Siskiyou Mc Cloud [McCloud] Comment
  SBBG25908  Hosackia oblongifolia var. oblongifolia D. Myrick 1966-8-10 1545 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  HSC99203  Hydrophyllum occidentale Al Hobart 1967-8-8 Siskiyou El Capitan Comment
  SEINET3156130  Hydrophyllum occidentale G. D. Butler 1910-4-25 1241 Siskiyou Oro Fino 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
  HSC77091  Hypericum anagalloides K. T. Stillman 1976-7-30 334 Siskiyou Marble Mtn. Wilderness Area, Elk Valley. Comment
  CAS-BOT-BC400986  Hypericum anagalloides Doris K. Kildale 1928-8-8 6462 Siskiyou Near head of north fork of Salmon River at Finley's Upper Camp Comment
  UC19049  Hypericum formosum var. scouleri F. W. Morse July 1886 Siskiyou near Mt.Shasta Comment
  UC420455  Hypericum formosum var. scouleri Milo S. Baker 1898-7-9 323 Siskiyou Tamarack Rd. near Mt. Shasta Summit Comment
  HSC45996  Ipomopsis aggregata J. P. Smith, Steve Selva 1970-7-27 4518 Siskiyou Gumboot Lake 1768 Comment
Read comments Jun 7 2012
  RSA469532  Ipomopsis aggregata M. B. Dunkle 1944-7-14 9133 Siskiyou Siskiyou National Forest, Sierra Nevada Mountains. 1767 Comment
  POM64964  Ipomopsis aggregata subsp. formosissima H. P. Chandler 1901-06 1624 Siskiyou Near Marble Mountain 2134 Comment
  HSC77019  Ipomopsis congesta K. T. Stillman 1976-6-25 58 Siskiyou Marble Mtn. Wilderness Area 2073 Comment
  RSA366780  Iris Anstruther Davidson 1930-1-20 s.n Siskiyou Siskiyou County Kessler [? Illeg] Comment
  CDA2714  Iris pseudacorus T. C. Fuller 1958-6-19 1797 Siskiyou South of road between Yreka & Montague. 0 Comment
  SBBG15965  Iris purdyi D. Myrick 1961-6-21 307 Siskiyou Deer Camp Rd above Oak Knoll Ranger Station, Klamath River, 19 mi W of Hwy 99 1371 Comment
  UCSB24687  Iris tenuissima Favero, R. 1968-4-28 Siskiyou 1/4 mile south west of Fort Goff on US96 Happy Camp; Klamath Mountains 701 Comment
  HSC100200  Isatis tinctoria J. P. Smith, , J. O. Sawyer, & R. J. Cole 2011-5-22 13165 Siskiyou Klamath National Forest, East Fork Campground. 735 Comment
  OBI4718  Isatis tinctoria T. C. Fuller 1960-5-26 4344 Siskiyou Greenhorn Crk, 1.5 mi W of Yreka Comment
  CAS-BOT-BC57772  Isoetes Clare B. Hardham 1965-8-20 13022 Siskiyou Cudahy Lakes, Marble Lakes. Comment
  HSC91420  Isoetes bolanderi Jennifer Whipple 1978-10-6 2435 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  UC400938  Isoetes bolanderi Geo. D. Butler 1908-8-3 256 A Siskiyou Log Lake, Shackleford Creek Log Lake Comment
  POM35450  Ivesia gordonii var. ursinorum E. B. Copeland 1903-8-18 3900 Siskiyou Mount Eddy. 2744 Comment
  JEPS109907  Ivesia pickeringii Dean W. Taylor 1996-7-11 15781 Siskiyou Scott Mountains; West Fork Parks Creek (about 15 air miles west of Weed & 1 air mile west of Stewart Springs); Shasta-Trinity National Forest 1328 Comment
  RSA298329  Juncus bolanderi J. P. Smith, Steve Selva 1970-6-15 3923 Siskiyou 10 miles northwest of Forks of Salmon. Comment
  JEPS66923  Juncus bufonius Geo. D. Butler 1908-7-9 8 Siskiyou near Yreka (Butler Ranch) Comment
  CHSC91349  Juncus bufonius var. bufonius Lowell Ahart; John Dittes 2005-6-9 12055 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada. 774 Comment
  JEPS107945  Juncus bufonius var. bufonius Lowell Ahart, John Dittes 2005-6-9 12055 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  HSC71130  Juncus confusus Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4498 Siskiyou Along W side of Hwy. 3, just N of Scott Mtn. Summit 1616 Comment
  HSC77132  Juncus effusus subsp. pacificus L. P. Janeway 1983-7-2 363 Siskiyou SE side of Klamath River, 6 mi. E on China Creek Rd., near Happy Camp, near water's edge 335 Comment
  CHSC40145  Juncus ensifolius L. P. Janeway 1983-8-3 482 Siskiyou Seep area along edge of dirt rd ca 350 m n of West Branch Guard Sta. 670 Comment
  CHSC86682  Juncus ensifolius Jenny Marr 1993-7-1 62 Siskiyou Butte Valley Wildlife Area, +/- 7 air miles NW of the town of MacDoel. Meadow NW of Meiss Lake. 1349 Comment
  UC1748283  Juncus ensifolius Rhonda Posey 2000-8-17 Siskiyou about 3.5 mi NE of McCloud District Ranger Station, McCloud ( at Mud Creek Meadows, along Road 42N13 (Pilgrim Creek Road)) 1097 Comment
  RSA238920  Juncus ensifolius Frederick W. Oettinger 1968-9-6 743 Siskiyou At Bear Meadow mid-way along a straight line between English Peak and Tom Taylor cabin, at the head of Snowslide Gulch. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1997 Comment
  CDA33214  Juncus howellii William J. Ferlatte 1987-7-7 2109 Siskiyou USFS Road 31, 1.6 miles east of McCloud River Railroad; Bear Springs area, near Mt. Shasta. 0 Comment
  HSC22186  Juncus mertensianus J. O. Sawyer 1969-8-5 1961 Siskiyou Slopes W of South Sugar Creek 1799 Comment
  RSA607421  Juncus occidentalis L. C. Wheeler 1934-8-17 3185 Siskiyou Siskiyou Mts. North side White Mt. 1829 Comment
  UC648265  Juncus parryi John Thomas Howell 1939-8-3 15009 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  UC842429  Juncus parryi John Thomas Howell 1937-7-24 13425 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  CHSC71510  Juncus tiehmii Vernon H. Oswald; Lowell Ahart 1998-7-21 9362 Siskiyou Northeast of Weed, east of Grass Lake, and west of Bray on Old State Highway 0.8 mi east of Tennant Rd. 1417 Comment
  CAS-BOT-BC279922  Juncus trilocularis Peter F. Zika 2009-8-16 24598 Siskiyou Forest Service Road 46N04, Cascade Range Highlands (CaRH) 1550 Comment
  NY21382  Juniperus communis E. B. Copeland 1903-10-6 3782 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
  CHSC93548  Juniperus occidentalis var. occidentalis Lowell Ahart; John Dittes 2005-6-9 12021 Siskiyou Small low hill, north fence boundary, on the east side of a poor rock fence, about 350 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
  POM281925  Juniperus occidentalis var. occidentalis Lyman Benson 1929-3-27 1075 Siskiyou Rocky slopes by Klamath River, Pacific Hwy Comment
  RSA6894  Juniperus occidentalis var. occidentalis Elmer I. Applegate 1932-4-15 7060 Siskiyou Scott Valley, east side Comment
  SEINET11056641  Juniperus occidentalis var. occidentalis D. Charlet, T. Charlet 1996-11-25 2339 Siskiyou Scott Mountains, on road to Gazelle, 4 road miles from I-5. 896 Comment
  CAS-BOT-BC56352  Kalmia microphylla subsp. microphylla John Thomas Howell 1937-7-24 13410 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  HSC35446  Kalmia polifolia A. M. Montalvo, J. D. Ackerman 1975-7-18 585 Siskiyou Panther Meadow, Mt. Shasta 2287 Comment
  UC412684  Kalmia polifolia subsp. microphylla Annie M. Alexander and Louise Kellogg 1911-6-15 146 Siskiyou Jackson Lake Comment
  UCR39769  Kalmia polifolia subsp. microphylla J. O. Sawyer 1968-7-2 366 Siskiyou Upper drainage of Joe Creek 1738 Comment
  CAS-BOT-BC235863  Keckiella corymbosa Ira L. Wiggins 1955-7-31 13593 Siskiyou Along S Fork of Salmon River betw. Cecilville and Forks of Salmon Comment
  RSA238788  Keckiella lemmonii Frederick W. Oettinger 1968-9-3 774 Siskiyou Along trail between spring and Drift Fence near English Lake. The Salmon Mountains. The High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  JEPS12477  Kelloggia galioides W. L. Jepson 1907-7-10 2875 Siskiyou near Putnam Peak (w Siskiyou County); Klamath Range Comment
  RSA447645  Kelloggia galioides Chadwick, Chadwick 1911-07 1931 Siskiyou Shasta Springs. Comment
  SEINET10500753  Kelloggia galioides Mary Merello 1993-6-25 Merello 725 Siskiyou Shasta National Forest. At end of Forest Service Road 39N 28, road to Lower Falls and Fowlers Campground. Open conifer woodlands. Disturbed. Along McCloud River. 970 Comment
  UC455874  Kelloggia galioides I. J. Condit 1911-7-5 Siskiyou Mt. Bradley; Shasta Retreat 1524 Comment
  UCD121988  Kelloggia galioides J. M. Tucker 1950-7-24 1948 Siskiyou Highway 89, 7.5 miles east of McCloud. 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
  CAS-BOT-BC499663  Kopsiopsis strobilacea Wm. Bridge Cooke 1938-7-22 11308 Siskiyou Mount Shasta: Wagon Camp--Horse Camp Trail 2133 Comment
  RSA0078643  Kopsiopsis strobilacea Frederick W. Oettinger 1968-8-18 572 Siskiyou On the SW running ridge of Little Medicine Mt. due north of Tobacco Lake. 1920 Comment
  CAS-BOT-BC340368  Kyhosia bolanderi Wm. Bridge Cooke 1940-8-2 15408 Siskiyou Mount Shasta. Throughout the lower Wagon Camp meadow Comment
  CAS-BOT-BC340374  Kyhosia bolanderi C. G. Pringle 1882-9-7 s.n. Siskiyou About Mt. Shasta Comment
  UC91991  Lactuca canadensis Brandegee Jul 1889 Siskiyou Sissons Comment
  HSC5895  Lactuca serriola R. C. Wunner 1965-8-14 415 Siskiyou California Lava Beds National Monument; near old shoreline of Tule Lake 1220 Comment
  CHSC68145  Lagophylla ramosissima L. E. Detling 1959-6-12 8248 Siskiyou Klamath River Valley (Hornbrook). 670 Comment
  UC538054  Lagophylla ramosissima Palmer Stockwell 1934-7-16 77 Siskiyou Weed Comment
  NY8460  Lathyrus brownii H. E. Brown 1897-6-11 391 Siskiyou N side of Mt. Shasta, 5000-9000 ft. Comment
  HSC68343  Lathyrus delnorticus Maralyn A. Renner 1980-7-4 1425 Siskiyou Clear Creek Trail, N of Trout Camp. 1067 Comment
  SEINET5327254  Lathyrus graminifolius G. Butler 1910-5-15 1346 Siskiyou Greenhorn Mountain 1067 Comment
  JEPS55248  Lathyrus jepsonii var. californicus W. L. Jepson 1894-8-9 13617 Siskiyou Shasta Springs Comment
  CAS-BOT-BC204989  Lathyrus jepsonii var. californicus A. A. Heller 1928-6-9 14500 Siskiyou Along the Sacramento River near Shasta Retreat Comment
  CDA17136  Lathyrus nevadensis G. F. Hrusa 2001-6-6 15850 Siskiyou Siskiyou Mountains; Nr. summit of pass betw. Happy Camp, CA and O'Brien, Oregon at turnoff to Bolan Lake, at Oregon border. 1424 Comment
  JEPS82463  Lathyrus nevadensis var. nevadensis Gilbert Muth 1966-7-14 384 Siskiyou Marble Valley, above pasture Marble Mt. Wilderness Area 1798 Comment
  CAS-BOT-BC89828  Lepidium montanum A. A. Heller 1905-6-19 8068 Siskiyou Shasta Valley near Grenada Station. Comment
  CAS-BOT-BC89829  Lepidium montanum A. A. Heller 1925-7-25 s.n. Siskiyou In the Shasta Valley north of Gazelle. Comment
  CDA24934  Lepidium montanum subsp. canescens R. S. Richards 1975-6-9 Siskiyou E. Dougherty & Sons potato sorting shed, Gazelle. 0 Comment
  CHSC114921  Lepidium perfoliatum D. B. Joley 1976-6-24 2 Siskiyou Mt. Shasta City. Comment
  POM94079  Lepidium ramosissimum var. bourgeauanum Geo. D. Butler 1910-6-27 1612 Siskiyou Yreka Creek. Comment
  CAS-BOT-BC12997  Lepidium virginicum Edward Lee 1934-8-10 1020 Siskiyou South bank of Klamath River between McKinney and Parkhouse creeks (near Hamburg). 609 Comment
  HSC45992  Leptosiphon ciliatus J. P. Smith, Steve Selva 1970-6-16 4002 Siskiyou 5 mi. from Hwy. 3 on Rd. 8 to Sugar Creek. 1189 Comment
  RSA211089  Leptosiphon ciliatus William J. Ferlatte 1967-6-27 537 Siskiyou Big Flat 1524 Comment
  SEINET7073532  Leucocrinum montanum A. G. Vestal 1963-6-1 s.n. Siskiyou Road to Dwinnell Reservoir [Lake Shastina]. UTM Zone 10, 548518mN, 4593966mN. Coordinate datum: NAD27. Comment
  CAS-BOT-BC58259  Leucothoe davisiae W. R. Dudley 1901-8-18 s.n. Siskiyou E. along shore of Jackson Lake, Salmon Mts. Comment
  HSC36224  Leucothoe davisiae John Rehling 1974-8-24 45 Siskiyou S end of Little Duck Lake Comment
  CAS-BOT-BC58258  Leucothoe davisiae W. R. Dudley 1901-8-23 s.n. Siskiyou Rocky Peak. Salmon Mts. 2133 Comment
  POM142945  Lewisia cotyledon Geo. D. Butler 1910-6-5 1527 Siskiyou Log Lake Comment
  RSA237464  Lewisia cotyledon Frederick W. Oettinger 1968-9-6 746 Siskiyou Ridge trail E of Tom s Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2134 Comment
  CHSC95122  Lewisia cotyledon var. cotyledon L. P. Janeway 2006-7-3 8771 Siskiyou Klamath Ranges. Salmon Mountains; 100 m west of the Taylor Lake Trailhead Road 0.8 km south of the main road. North-facing edge at top of narrow rocky spur ridge. 1820 Comment
  HSC68543  Lewisia cotyledon var. cotyledon Maralyn A. Renner 1980-6-24 1077 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  UC163731  Lewisia cotyledon var. cotyledon Geo. D. Butler 1909-7-20 460 Siskiyou Highland Mine Comment
  UC7801  Lewisia cotyledon var. cotyledon Harley P. Chandler June, 1901 1594 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges 2286 Comment
  UCD101616  Lewisia leeana J. M. Tucker 1963-7-8 3731 Siskiyou 1 mile south of Paradise Lake, Marble Mountains Wilderness Area. Beside trail to Marble Valley. 1981 Comment
  JEPS82461  Lewisia triphylla Gilbert Muth 1966-7-14 388 Siskiyou flat above Marble Valley (Marble Gap Trail); Marble Mt. Wilderness Area 1828 Comment
  RSA211258  Lewisia triphylla William J. Ferlatte 1966-6-22 74 Siskiyou Josephine Lake basin; Trinity Alps. 1677 Comment
  RSA13855  Leymus cinereus L. C. Wheeler 1934-9-22 3292 Siskiyou Walker, Klamath River; Siskiyou Mts. 518 Comment
  UCD65622  Leymus triticoides Geo. D. Butler 1908-7-3 472 Siskiyou Dry banks near Yreka. Comment
  HSC94095  Ligusticum apiifolium G. Fred Hrusa 1998-7-5 14689 Siskiyou Bear Creek Rd., 1/2 mi N of Hwy 96 and 10 mi SW of Happy Camp Comment
  UC1334272  Lilium pardalinum subsp. shastense Albert M. Vollmer and Ira L. Wiggins 1940-7-5 7 Siskiyou ca. 10 mi. n.e. Sawyer's Bar (along banks of Cow Creek, on rd. to Etna); Cow Creek 975 Comment
  UC3744  Lilium rubescens State Survey 1800-1 1435 Siskiyou Strawberry Valley; Mount Shasta 1219 Comment
  RSA12671  Lilium washingtonianum Carl B. Wolf 1934-7-6 6024 Siskiyou Southwest slope of Mt. Shasta along trail to Horse Camp 1524 Comment
  CAS-BOT-BC133023  Lilium washingtonianum subsp. purpurascens L. E. Smith 1913-6-29 439 Siskiyou Mt. Eddy Comment
  UC61185  Lilium washingtonianum subsp. washingtonianum W. A. Setchell, C. C. Dobie 1902-7-16 Siskiyou Sisson; Mount Shasta Comment
  CAS-BOT-BC278075  Limnanthes alba Peter F. Zika 2012-5-14 25854 Siskiyou I-5 southbound, near exit 730 for central Dunsmuir, Klamath Range (KR) 750 Comment
  CAS-BOT-BC94932  Linanthus nuttallii R. C. Wenk 2006-7-23 529 Siskiyou Coffee Creek Road, Big Flat Meadow, along Yellow Rose Mine trail to Dorleska Mine 1975 Comment
  JEPS58519  Linanthus nuttallii subsp. nuttallii W. L. Jepson Jul 6 1907-Jul 7 1907 2854 Siskiyou on ridge overlooking Klamath; Cuddihy Valley Comment
  SBBG15806  Linaria dalmatica D. Myrick 1961-6-20 285 Siskiyou Old McCloud Rd to Bear Springs, ca. 1 mi E of Mt Shasta City 1158 Comment
  RSA0087559  Linnaea borealis subsp. longiflora Douglas Barbe 1955-7-5 101 Siskiyou Klamath Mountains, about 12 miles south of Etna on French Creek. 1097 Comment
  UC1408773  Linum lewisii Frederick W. Oettinger 1968-8-18 569 Siskiyou Salmon Mts, High Lake Basins in vicinity of English Peak, Marble Mountain Wilderness Area, w side of Hancock Lake Hancock Lake; Salmon Mts, Marble Mountain Wilderness Area 1935 Comment
  JEPS46620  Lithocarpus densiflorus Rick Hermann Sep 1900 Siskiyou Slate Creek; Upper Sacramento River Comment
  CAS-BOT-BC432317  Lithophragma campanulatum J. H. Thomas 1954-5-13 4154 Siskiyou Salmon Mountains, Klamath National Forest, near S Fork of Salmon River, 5 to 9 miles SE of Cecilville, along Rush Creek 1127 Comment
  UC585059  Lithophragma campanulatum E. B. Babcock and G. L. Stebbins Jr. 1936-6-13 1990 Siskiyou about 1 1/2 mi w Mt. Shasta City (e and ne slope of spur of Rainbow Ridge above Sulloway Creek); above Sulloway Creek 1188 Comment
  HSC62131  Lithophragma heterophyllum Ruby Van Deventer 28 Jun [year missing] Siskiyou Raspberry Lake, 2 mi. W of Copper Mtn. Comment
  RSA468258  Lithophragma parviflorum Christopher Davidson 1975-6-5 2668 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
  CAS-BOT-BC325938  Lithospermum californicum A. A. Heller 1905-6-13 8017 Siskiyou Shasta Springs. On the slope between the railroad and the river above Shasta Springs. Comment
  CAS-BOT-BC269147  Lolium perenne Dr. Ed Palmer 1892-1-1 2646 Siskiyou Near Mt. Shasta Comment
  HSC76695  Lomatium macrocarpum K. T. Stillman 1976-8-7 203 Siskiyou Marble Mtn. Wilderness Area 1982 Comment
  UC1485809  Lomatium peckianum L. Constance 1982-4-23 3899 Siskiyou 4 miles N of Weed on Hwy 5, foot of Mount Shasta Edgewood, near; Mount Shasta 914 Comment
  POM82363  Lomatium peckianum Geo. D. Butler 1910-4-9 1159 Siskiyou Dry hill near Yreka. Comment
  UC165315  Lomatium piperi Geo. D. Butler 1910-3-14 1130 Siskiyou Yreka Comment
  JEPS109652  Lomatium tracyi Dean W. Taylor 2002-6-29 18203 Siskiyou Big Carmen Lake, Scott Mountain 1676 Comment
  JEPS80599  Lonicera conjugialis Gilbert Muth 1966-7-25 455 Siskiyou Marble Rim, near top of ridge Marble Mt. Wilderness Area 2042 Comment
  UC1190106  Lonicera conjugialis Ira L. Wiggins 1955-7-27 13568 Siskiyou Caribou Lake Salmon-Trinity Alps Primitive Area 2042 Comment
  UC1408787  Lonicera conjugialis Frederick W. Oettinger 1968-9-2 658 Siskiyou sw Upper English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1783 Comment
  RSA537277  Lonicera hispidula var. vacillans W. Wisura, J. Romero 1991-10-18 4602 Siskiyou Kalamath River, 16.5 mi. N of Somes Bar. Comment
  SEINET3154559  Lonicera involucrata G. D. Butler 1910-7-9 1700 Siskiyou margin of Shackleford creek 1219 Comment
  JEPS16301  Lonicera tatarica W. T. Mooney 1903-5-21 Siskiyou Yreka Comment
  SEINET3557097 Image available Lotus crassifolius R. Tofsrud, J. M. Tucker 1948-8-2 1754 Siskiyou outskirts of McCloud Comment
  POM27605  Lotus denticulatus Geo. D. Butler 1909-6-24 912 Siskiyou Yreka Creek Comment
  UC204545  Lotus nevadensis var. nevadensis A. A. Heller 1914-8-25 11711 Siskiyou near Deetz Station; Sierras 1158 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
  RSA281673  Lotus oblongifolius S. O. Mattoon 1978-7-23 119 Siskiyou Wright Lakes Trail, 11 air mi. W of Fort Jones, Marble Mts. 1982 Comment
  JEPS91408  Lotus oblongifolius var. oblongifolius Dean W. Taylor 1972-7-3 1582 Siskiyou Cook and Green Pass 1371 Comment
  UC375403  Lotus oblongifolius var. oblongifolius Geo. D. Butler 1908-8-4 395 Siskiyou Cold Spring Wooley Creek Comment
  UC454686  Lotus oblongifolius var. oblongifolius I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1828 Comment
  JEPS75372  Lotus purshianus var. purshianus Geo. D. Butler 1908-7-5 390 Siskiyou near Yreka (Butler's Ranch) Comment
  RSA281671  Lotus unifoliolatus S. O. Mattoon 1979-7-10 68 Siskiyou California-Oregon line at Elliott Cr., N. of Rush, Oregon, Siskiyou Mts. Comment
  CAS-BOT-BC140201  Luetkea pectinata Louis C. Wheeler 1934-8-14 3121 Siskiyou 1 mile west White Mt., Siskiyou Mts. 1920 Comment
  CAS-BOT-BC140209  Luetkea pectinata Annie M. Alexander; Louise Kellogg 1949-7-29 5895 Siskiyou Near Hidden Lake above Sky High Lake. Sky High Valley, Marble Mountains 1859 Comment
  CAS-BOT-BC140250  Luetkea pectinata Maxine Wilkes 1940-8-1 s.n. Siskiyou Cliff Lake, Marble Mts. Comment
  CHSC1561  Luetkea pectinata V. Holt 1942-8-6 Siskiyou Caribou Lake, Trinity Alps. 2438 Comment
  SD87754  Luina hypoleuca Frank W. Peirson 1926-7-10 7021 Siskiyou Yreka; mountain range west of Yreka 1370 Comment
  SEINET11148965 Image available Lupinus C. P. Smith 1940-1 15305 Siskiyou Along the road in the Box Canyon of the Sacramento near Mount Shasta City. 914 Comment
  LA205031  Lupinus albicaulis Wm. Bridge Cooke; 1938-8-12 11464 Siskiyou Mount Shasta, along the Wagon Camp-Horse Camp Trail 1828 Comment
  SEINET10544018  Lupinus albicaulis subsp. shastensis William B. Cooke 1938-7-29 Cooke 11388 Siskiyou Mt. Shasta, chaparral 1219 Comment
  CDA27353  Lupinus albicaulis var. shastensis C. S. Giebner 1963-7-31 Siskiyou Kerr property, Flying K Ranch, Quartz Valley, ca. 2 miles south of Mugginsville. 0 Comment
  SEINET10484557  Lupinus albifrons var. flumineus David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-3 Dunn 20643 Siskiyou Vicinity of the campground on the salmon river, 8.3 miles w of cecilville. Yellow pine forest with douglas fir. Area with mostly metamorphic rocks. Area Very rocky and gravelly Comment
  SEINET10871207  Lupinus albifrons var. flumineus Katherine L. Morris 1973-6-2 Morris 336 Siskiyou Decomposed volcanic soil on hornbrook to montague raod, about 1 mile se of Hornbrook Comment
  HSC78218  Lupinus andersonii L. P. Janeway 1983-8-6 504 Siskiyou At Poker Flat. NW edge of Meadow along the road. 1524 Comment
  UC144577  Lupinus argenteus A. A. Heller 1905-6-9 8015 Siskiyou Montague; ; Montague, Siskiyou Co. Comment
  HSC14940  Lupinus aridus R. Spellenberg 1964-6-20 485 Siskiyou 3 mi. NE of Weed, Hwy. 97. Comment
  RSA582456  Lupinus aridus Louis C. Wheeler 1935-6-13 3582 Siskiyou N side Scott River, Scott Bar Mts. 823 Comment
  CAS-BOT-BC215184  Lupinus croceus Alice Eastwood 1912-8-30 1991 Siskiyou Mount Eddy Comment
  CAS-BOT-BC215194  Lupinus croceus J. H. Thomas 1954-5-13 4136 Siskiyou Near S Fork of Salmon River, 5-9 miles SE of Cecilville, vicinity of Blind Horse Creek, Salmon Mountains, Klamath National Forest. 1066 Comment
  RSA105436  Lupinus croceus G. D. Barbe 1955-7-26 288 Siskiyou Among dry rocks at a small pond on the N slope of Scott Mtn. 1982 Comment
  CHSC71582  Lupinus croceus var. croceus Vernon H. Oswald; Lowell Ahart 1998-8-3 9434 Siskiyou Near the Pacific Crest Trail in the Scott Mtns. west of Kangaroo Lake. 1981 Comment
  SEINET10490743  Lupinus croceus var. croceus Melvin L. Conrad, Douglas G. LeDoux; Patricia L. Kenney 1973-6-1 Conrad 6981 Siskiyou Western yellow pine, libocedrus, douglas fir forest, 6 mi. Sw of callahan. 1524 Comment
  RSA413557  Lupinus densiflorus var. densiflorus E. E. Stanford 1930-6-16 1607 Siskiyou Near Hornbrook. Comment
  UC1607590  Lupinus lapidicola Barbara Ertter 1990-7-14 9325 Siskiyou ca 4 airmi w Mt. Shasta City (Wagon Creek on e-side of Mt. Eddy); e side Mt. Eddy, Wagon Creek 1950 Comment
  POM10902  Lupinus latifolius subsp. viridifolius E. B. Copeland 1903-8-13 7306 Siskiyou Sisson Comment
  UC33405  Lupinus lepidus var. lobbii W. C. Blasdale 1894-7-31 Siskiyou Mt. Shasta , near Black Butte (near Black Butte) Comment
  UC156997  Lupinus luteolus Geo. D. Butler 1909-6-26 910 Siskiyou near Yreka; near Yreka Comment
  SEINET10936747  Lupinus luteolus David B. Dunn, Patricia L. Kenney; Douglas G. LeDoux 1973-6-1 Dunn 20638 Siskiyou About 1 mi s of hornbrook. Along the old hwy. Four species of lupinus growing In close proximity. Area under cultivation and pasture. Waste areas by road And along rd cuts. Comment
  SEINET8056947  Lupinus microcarpus G. D. Butler 1910-5-21 1373 Siskiyou Klamath hills. Comment
  RSA104335  Lupinus onustus A. A. Heller 1905-6-15 s.n. Siskiyou Near Sisson Comment
  RSA109355  Lupinus onustus A. A. Heller 1905-6-15 8037 Siskiyou Near Sisson Comment
  CDA27573  Lupinus polyphyllus var. burkei T. C. Fuller 1964-6-24 12246 Siskiyou 0.2 mile south of Mugginsville, Quartz Valley. 0 Comment
  SEINET10490188  Lupinus polyphyllus var. grandifolius Katherine L. Morris 1973-6-2 Morris 371 Siskiyou Found in the ditch along roadside of hwy. 3 In scot river valley. Comment
  UC157014  Lupinus polyphyllus var. polyphyllus Geo. D. Butler 1910-7-6 1642 Siskiyou Quartz Valley Comment
  POM11085  Lupinus sellulus subsp. sellulus Geo. D. Butler 1910-9-11 1867 Siskiyou [Unspecified] Comment
  POM252843  Lupinus sellulus subsp. sellulus A. A. Heller 1938-7-12 15259 Siskiyou East of Deer Mountain. 1402 Comment
  SEINET10451480  Lupinus sellulus subsp. ursinus Thomas W. Nelson, Jane P. Nelson 1982-7-28 Nelson 7256 Siskiyou Siskiyou-Trinity County line. Along west side of Forest Service Road 42N17 at summit above Daed Fall Meadow. Dry serpentine hillside. 2073 Comment
  HSC68532  Lupinus sellulus var. artulus Maralyn A. Renner 1980-6-24 1071 Siskiyou 1/2 mi. E of Cook and Green Pass 1555 Comment
  HSC71437  Lupinus sellulus var. artulus J. P. Smith, Steve Selva 1970-8-8 4561 Siskiyou Comment
  HSC14881  Lupinus subvexus var. subvexus Unknown Siskiyou Lava Beds N.M., Canby Bay 1220 Comment
  HSC42961  Luzula comosa J. O. Sawyer, K. T. Stillman 1976-5-30 2759 Siskiyou Along Specimen Creek. 915 Comment
  UCD77846  Luzula comosa Robert E. Preston 2001-6-23 1611 b Siskiyou Klamath National Forest, n-facing slope of Rainbow Mtn, T42N R1W nw 1/4 of nw 1/4 Section 23 1965 Comment
  CAS-BOT-BC436706  Luzula comosa var. laxa Roxana S. Ferris; Laura Lorraine 1948-6-12 11743 Siskiyou French Creek Logging Road west of Callahan 1219 Comment
  HSC64675  Luzula divaricata J. O. Sawyer 1977-7-6 3034 Siskiyou S of Little Duck Lake 2134 Comment
  RSA238894  Luzula divaricata Frederick W. Oettinger 1968-8-8 447 Siskiyou Where the old Tanner s Peak trail meets the English Peak trail along the ridge leading up to the peak. Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2165 Comment
  UC843143  Luzula parviflora Louis C. Wheeler 1934-6-18 2726 Siskiyou Cottonwood Creek Siskiyou Mts., Cottonwood Creek 1310 Comment
  RSA0015089  Lythrum californicum Louis C. Wheeler 1934-10-11 3316 Siskiyou Oak Knoll Ranger Station, Klamath River, Siskiyou Mountains. 671 Comment
  JEPS48633  Lythrum hyssopifolia Geo. D. Butler 1908-7-16 404 Siskiyou Butlers Ranch near Yreka; Butlers Ranch Comment
  SD8618  Madia bolanderi Brandegee Jun 1887 Siskiyou Mt. Shasta Comment
  RSA237493  Madia bolanderi Frederick W. Oettinger 1968-8-11 484 Siskiyou Meadow at Tom Taylor Cabin Spring. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area 2043 Comment
  CAS-BOT-BC344005  Madia elegans Geo. D. Butler 1910-5-27 1413 Siskiyou Near Yreka Comment
  UC223696  Madia elegans Elmer I. Applegate 1923-9-7 3782 Siskiyou mouth of Doggett Creek; Klamath River Comment
  CAS-BOT-BC344000  Madia elegans Elmer I. Applegate 1923-9-8 3980 Siskiyou Klamath River, mouth of Doggett Creek Comment
  OBI55544  Madia glomerata David J. Keil, Kathleen Keil 1992-7-24 23569 Siskiyou E of McCloud along hwy 89, 7.7 mi W of Shasta County line Comment
  UC830861  Madia glomerata Louis C. Wheeler 1934-8-24 3216 Siskiyou Trapper Creek Siskiyou Mts., Mt. Diablo Mer. 1859 Comment
  CAS-BOT-BC343436  Madia gracilis Wm. Bridge Cooke 1938-7-15 11174 Siskiyou Mt. Shasta 1524 Comment
  CAS-BOT-BC343437  Madia gracilis Wm. Bridge Cooke 1938-6-17 11030 Siskiyou Mt. Shasta 1371 Comment
  CAS-BOT-BC512767  Maianthemum racemosum subsp. amplexicaule Alice Eastwood 1912-7-23 1337 Siskiyou Cantara Comment
  RSA262384  Maianthemum racemosum subsp. amplexicaule J. M. Tucker, L. K. Mann 1963-7-7 3720 Siskiyou Ca. 1/4 mile north of Paradise Lake, east side of King s Castle, Marble Mountain Wilderness Area 1982 Comment
  HSC27467  Malacothrix floccifera J. P. Smith, J. O. Sawyer 1972-5-28 5379 Siskiyou Cecilville-Forks of Salmon 762 Comment
  UC920138  Malacothrix floccifera L. Constance, J. F. Davidson, B. Kasapligil, and H. L. Mason 1930-7-15 3355 Siskiyou between Fort Jones and Etna; Scott Valley, Scott River 914 Comment
  JEPS93957  Malva neglecta Vernon H. Oswald and Lowell Ahart 1998-9-16 9643 Siskiyou 5.9 mi e of Highway 97 (Highway 161 at the Lower Klamath National Wildlife Refuge) 1243 Comment
  UCD107730  Medicago lupulina A. A. Heller 1916-6-20 12416 Siskiyou Metcalf's ranch, northeast of Mt. Eddy. 1188 Comment
  HSC43365  Medicago minima N. G. Sugihara 1977-5-28 87 Siskiyou Burned hillside, 0.3 mi. toward Sawyer's Bar from Hwy. 96 S of Somes Bar Comment
  UC1265397  Melica bulbosa F. W. Oettinger 1968-8-8 451 Siskiyou Crapo Meadow; Salmon Mts. 2164 Comment
  UCD86422  Melica californica A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3411 Siskiyou Canyon N of Willow Creek, 5 miles W of Gazelle. Comment
  HSC26150  Melica stricta J. P. Smith, J. O. Sawyer, Maralyn O'Meara 1972-7-3 5691 Siskiyou E slope of Kangaroo Mtn. above Toehead Lake. 1890 Comment
  HSC15001  Melilotus albus R. C. Wunner 1965-7-16 395 Siskiyou Lava Beds National Monument, as rd. crosses Devils' Homestead Lava Flow 1296 Comment
  SBBG30508  Mentzelia D. Myrick 1968-6-22 1996 Siskiyou Lava Beds Nat Monument 1371 Comment
  UC454539  Mentzelia dispersa I. J. Condit 1911-7-31 Siskiyou Shasta Springs Comment
  CDA34590  Mentzelia laevicaulis M. Beyers, G. F. Hrusa 2010-8-18 707 Siskiyou Highway 3; +/- 5 or 6 miles south of Callahan just N of where Pacific Crest Trail intersects hwy.. 1628 Comment
  CAS-BOT-BC428734  Micranthes californica G. Muth 1966-7-31 475 Siskiyou Marble Valley Comment
  CAS-BOT-BC506661  Micranthes odontoloma Dana York 2011-8-14 3077 Siskiyou Marble Mountain Wilderness, Klamath National Forest. Marble Valley, just below the PCT 1730 Comment
  POM33357  Micropus californicus var. californicus Geo D. Butler 1910-5-7 1297 Siskiyou Yreka. Comment
  CAS-BOT-BC322659  Microseris laciniata Dr. E. B. Copeland 1903-8-13 3818 Siskiyou Sisson 1066 Comment
  HSC22288  Microseris nutans J. O. Sawyer 1969-7-3 1051 Siskiyou Near Lipstick Lake 1951 Comment
  UCD77864  Microseris nutans Robert E. Preston 2002-6-20 1838 Siskiyou Klamath National Forest, Rainbow Mountain, W ridge, on E-facing slope. 1946 Comment
  CAS-BOT-BC349373  Microseris nutans L. E. Smith 1913-5-12 203 Siskiyou Castle Creek Comment
  HSC61928  Microsteris gracilis Ruby Van Deventer 1959-7-9 Siskiyou Poker Flat 1585 Comment
  UC1586888  Mimulus Juha Pykala and D. H. Norris 1987-7-7 2410 Siskiyou Jot Dean Ice Cave 1700 Comment
  JEPS10547  Mimulus breweri Milo S. Baker 1893-6 28 Siskiyou 6 mi w (below) Bartle's; McCloud River Comment
  HSC27979  Mimulus cardinalis Gary S. Lester 1973-7-15 50 Siskiyou In Bridge Creek and along the side of Wooley Creek 485 Comment
  UC905631  Mimulus cardinalis William M. Hiesey 1947-8-23 555 Siskiyou 1 mi w Beaver Creek (along Highway 96, 2 mi n of Walker); Klamath River Comment
  JEPS8234  Mimulus layneae W. L. Jepson 1894-8-9 34 m Siskiyou above Shasta Springs (Horseshoe Bend); Shasta Region Comment
  UC125269  Mimulus microphyllus Harley P. Chandler June 1901 1694 Siskiyou near Marble Mountain; North Coast Ranges 1524 Comment
  UC27016  Mimulus microphyllus Harley P. Chandler June 1901 1694 Siskiyou near Marble Mountain; North Coast Ranges 1524 Comment
  RSA211451  Mimulus moschatus William J. Ferlatte 1966-8-3 282 Siskiyou Josephine Lake basin. 1921 Comment
  RSA14140  Mimulus moschatus Elmer I. Applegate 1923-9-6 3976 Siskiyou Doggett Creek, Klamath River. Comment
  RSA68877  Mimulus moschatus var. moniliformis A. E. Culbertson 1943-7-1 79 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 airmiles of its headwaters to the west. Comment
  JEPS87001  Mimulus nanus var. jepsonii David M. Thompson 1988-6-4 931 Siskiyou ca. 1.5 air mi se Deadhorse Summit (1.3 mi nw of Shasta Co. line along Hwy 89) 1300 Comment
  SDSU117  Mimulus nanus var. jepsonii David M. Thompson 1988-6-4 932 Siskiyou 8.0 miles E of McCloud along Hwy 89. SW corner of jct of Bigelow Meadows Road and Hwy 89. Opposite Hwy 89 from USFS Road 40N16; 2.4 miles W of turnoff for Cattle Camp Road; 2.0 mile W of USFS Ash Creek Station; T39N, R1W, N1/2 S5. 1097 Comment
  JEPS86951  Mimulus nanus var. nanus David M. Thompson 1988-6-5 933 Siskiyou 10.0 mi ne Weed (along Hwy 97, nw side of road) 1150 Comment
  JEPS86953  Mimulus nanus var. nanus David M. Thompson 1989-6-28 1022 Siskiyou 10.0 mi ne Weed (along Hwy 97, nw side of road) 1150 Comment
  RSA211425  Mimulus nanus var. nanus William J. Ferlatte 1966-8-18 409 Siskiyou Wooded area 3 miles south of Big Flat, Trinity Alps. 1585 Comment
  UC1063014  Mimulus primuloides L. Whitney 1934-6-10 1 Siskiyou Antelope Creek Dorris Quadrangle, Tennant 1463 Comment
  RSA145156  Mimulus primuloides Dorothy Parker 1959-6-28 728 Siskiyou Near summit of Scott Mt. 1631 Comment
  RSA771671  Mimulus primuloides A. E. Culbertson 1943-7-1 79 Siskiyou Castle Lake, in a north facing cirque with an abrupt 1000' backwall; 14 miles S.W. of Mt. Shasta on N. side of a 6600' eastern spur of Trinity Mts.; 2000' above Sacramento R. within 10 airmiles of its headwaters to the west. Comment
  JEPS82494  Mimulus primuloides subsp. primuloides Gilbert Muth 1965-8-3 156 Siskiyou Marble Valley Marble Mt. Wilderness Area 1792 Comment
  HSC72399  Mimulus primuloides var. linearifolius J. P. Smith, Steve Selva 1970-7-17 4469 Siskiyou Below Kangaroo Lake. 1890 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
  RSA237543  Mimulus primuloides var. pilosellus Frederick W. Oettinger 1968-8-14 519 Siskiyou Bear Meadow, Tom's Lake region. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness. 2188 Comment
  JEPS74429  Mimulus tilingii W. J. Ferlatte 1967-8-20 1056 Siskiyou Caribou Basin Trinity Alps, Sawtooth Ridge 2225 Comment
  HSC68023  Minuartia douglasii J. P. Smith, Steve Selva 1970-6-16 4010 Siskiyou 4 mi. from Hwy. 3 on Rd. 8 to Sugar Creek 1159 Comment
  SEINET5338740  Minuartia nuttallii G. Butler 1910-7-4 1638 Siskiyou Goosenest foothills 1219 Comment
  CAS-BOT-BC174736  Minuartia nuttallii A. A. Heller 1915-8-26 12219 Siskiyou Near the source of Wagon Creek, Mt. Eddy 2590 Comment
  HSC101484  Minuartia nuttallii subsp. gregaria J. P. Smith, J. O. Sawyer, R. J. Cole 2010-7-11 13001 Siskiyou Along Gazelle-Callahan Road. Klamath National Forest 1708 Comment
  HSC69000  Minuartia nuttallii subsp. gregaria Maralyn A. Renner 1980-7-28 2163 Siskiyou Above Pacific Crest Trail, near ridge 1799 Comment
  JEPS100204  Minuartia stolonifera Dean W. Taylor 2002-6-10 18120 Siskiyou Scott Mountain, Forest Road 40N08 0.25 miles E of the junction with Highway 3 (3 miles NE from Scott Mountain summit) 1341 Comment
  LA205965  Mirabilis greenei Wm. Bridge Cooke; 1940-6-20 15155 Siskiyou along the Pacific Highway in the Klamath River gorge 609 Comment
  SEINET3149779  Mirabilis greenei G. E. Pilz 1972-5-29 800 Siskiyou Collected 4 mi N of Yreka 700 Comment
  UC101220  Mirabilis greenei Thomas Howell May 1889 Siskiyou near Klamath River Comment
Read comments Jun 12 2012
  UC177421  Mitella diversifolia H. P. Chandler 1555 Siskiyou near Marble Mt. Comment
  HSC4888  Mitella pentandra J. O. Sawyer 1968-6-18 180 Siskiyou Above S Russian Creek on W side. 1463 Comment
  CAS-BOT-BC433072  Mitella trifida Edward Lee 1934-8-13 1082 Siskiyou Happy Camp - Waldo (Oregon) Road, Watershed: West branch of Indian Creek. Klamath Nat. Forest. 1463 Comment
  CAS-BOT-BC433075  Mitella trifida John Thomas Howell 1939-8-3 14977 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  RSA211095  Mitella trifida William J. Ferlatte 1966-6-22 93 Siskiyou Along the South Fork of the Salmon River between the campgrond and Carter s; Trinity Alps. 1524 Comment
  SEINET12219614  Mitella trifida H. P. Chandler 1901-1 1555 a Siskiyou near Marble Mountain 1829 Comment
  HSC45197  Moehringia macrophylla J. O. Sawyer, E. Cope 1977-6-21 2984 Siskiyou Near Prescott Peak 1677 Comment
  POM101232  Moehringia macrophylla Geo. D. Butler 1910-4-22 1217 Siskiyou Shackleford Creek in wet sand. Comment
  UC1312964  Monardella odoratissima subsp. glauca J. M. Tucker 1963-8-19 3785 Siskiyou Headwaters Canyon Creek, Marble Mountain Wilderness Area 1920 Comment
  UC456093  Monardella odoratissima subsp. glauca I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake 1981 Comment
  HSC67785  Monardella odoratissima subsp. pallida J. O. Sawyer, J. Cole 1980-7-21 3831 Siskiyou N of FS Rd. 44N01 near intersection with road to Lava Camp. 1677 Comment
  JEPS63390  Monardella odoratissima subsp. pallida Geo. D. Butler 1908-8-3 167 Siskiyou near Log Lake; Shackelford Creek 1524 Comment
  JEPS80574  Monardella odoratissima subsp. pallida Gilbert Muth 1965-8-3 154 Siskiyou Marble Valley Marble Mt. Wilderness Area 1792 Comment
  UC1408769  Monardella odoratissima subsp. pallida Frederick W. Oettinger 1968-8-11 475 Siskiyou 0.1 mi south southeast of Tom Taylor Cabin (High Lakes Basin in vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 2026 Comment
  UC2035863  Monardella odoratissima subsp. pallida L. Ellison 1928-9-11 515 Siskiyou Mt. Shasta 2590 Comment
  CAS-BOT-BC220264  Monardella sheltonii Geo. B. Grant 1902-9-14 s.n. Siskiyou Dunsmuir Comment
  CDA40783  Monardella sheltonii J. Anslem 1958-7-1 670 -58 Siskiyou Scott s Bar. 0 Comment
  CHSC67988  Monardella siskiyouensis David Biek 1988-7-13 Siskiyou Junction of Interstate 5 and Hwy. 96, 10 mi N of Yreka. 609 Comment
  SEINET10582375  Monardella siskiyouensis A. Graff 1993-7-24 Graff 351 Siskiyou Klamath National Forest. Hwy. 96, .45-2.8 miles east from junction with Hwy. 263, on right roadside. Infrequent on bare serpentine. End of bloom. Comment
  UCD77876  Monotropa hypopitys Robert E. Preston 2001-6-30 1645 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, T42N R1W nw 1/4 of se 1/4 Section 14 1767 Comment
  CHSC71316  Montia dichotoma Vernon H. Oswald; Lowell Ahart 1998-6-11 9220 Siskiyou Butte Valley National Grassland near the junction of Meiss Lake-Sam Neck Rd. and Hwy.97 ca. 5 mi north of Macdoel. Growing along the brushy edge of a drying vernal pool. 1295 Comment
  CAS-BOT-BC445111  Montia linearis James P. Smith 1974-5-25 7472 Siskiyou Along Road 8, 4.7 miles west of its junction with State Route 3. 1158 Comment
  UC164028  Montia linearis Geo. D. Butler 1910-4-25 1240 Siskiyou Oro Fino Comment
  POM101974  Montia linearis Geo. D. Butler 1910-4-25 1240 Siskiyou Dampland Orr. Comment
  RSA256710  Montia linearis J. P. Smith 1974-5-25 7472 Siskiyou Along road 8, 4.7 mi. west of its junction with State Route 3. 1159 Comment
  CHSC114089  Muhlenbergia andina Kendra Sikes 2011-9-13 CLS_ 1 D Siskiyou Sundew Fen, Caldwell Lakes Basin, headwaters of Parks Creek, east slope of China Mountain; UTM Zone 10N, 537187E, 4580685N. 2028 Comment
  UCD86501  Muhlenbergia andina R. Tofsrud 1950-7-1 s.n. Siskiyou E. side of Mt. Shasta. Comment
  CAS-BOT-BC267046  Muhlenbergia filiformis W. B. C. 1938-7-15 11221 a Siskiyou Mount Shasta. Above Bear Springs Comment
  CAS-BOT-BC267053  Muhlenbergia filiformis Arthur Menzies 1962-6-21 s.n. Siskiyou Morgan Meadows, base of Mount Eddy 1706 Comment
  HSC62460  Muhlenbergia filiformis Ruby Van Deventer 1959-7-9 Siskiyou Twin Valley Comment
  JEPS95111  Muhlenbergia jonesii Vernon Oswald and Lowell Ahart 1997-7-28 8784 Siskiyou Forest Route 56 (42N56) 3.7 mi e of Forest Route 49, edge of Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave Yellow Jacket Ice Cave; Burnt Lava Flow Virgin Area at Yellow Jacket Ice Cave 1755 Comment
  JEPS93848  Myosurus apetalus Vernon H. Oswald and Lowell Ahart 1998-6-11 9221 Siskiyou 5 mi n of Macdoel (Butte Valley National Grassland near the junction of Meiss Lake-Sams Neck Road and Highway 97); Butte Valley National Grassland 1295 Comment
  UC9332  Myosurus minimus Mrs. R. M. Austin June, 1894 Siskiyou Pot Hole Springs Comment
  SD82206  Myriopteris gracillima Louis C. Wheeler 1934-8-2 3021 Siskiyou Siskiyou Mountains, Head Jaynes Canyon 2075 Comment
  UC643295  Nama densa var. parviflora W. Bridge Cooke 1940-6-4 15022 Siskiyou road leading up the n side Mount Shasta from Bolam Station; n side Mount Shasta, from Bolam Station 1371 Comment
  HSC12275  Nama lobbii Richard Spjut 1970-7-18 468 Siskiyou 8 mi. E of Mt. Shasta just off Hwy. 89 1220 Comment
  CHSC62608  Narthecium californicum L. P. Janeway 1993-8-30 4564 Siskiyou West side of Cedar Lake; head of South Fork Sacramento River. 1741 Comment
  CAS-BOT-BC516028  Narthecium californicum Elizabeth McClintock; Wayne Roderick 1967-7-28 s.n. Siskiyou At head of Gumboot Lake, SW of Mount Eddy 1828 Comment
  HSC30410  Narthecium californicum Frederick W. Oettinger 1969-7-31 1112 Siskiyou Marble Mtn. Wilderness Area, W of English Lake 1936 Comment
  UC1001154  Narthecium californicum Dorothy Parker 1953-7-29 Siskiyou summit Scott Mt.; Siskiyou Mts., Scott Mt. Comment
  SEINET14055717  Navarretia capillaris L. C. Wheeler 1935-7-26 3699 Siskiyou Jaynes Canyon, Siskiyou Mts. 1951 Comment
  CAS-BOT-BC230558  Nemophila parviflora var. austiniae Harley P. Chandler 1901-6-1 1649 Siskiyou Marble Mountain 2286 Comment
  RSA48579  Noccaea P. A. Munz 1949-5-18 13303 Siskiyou N of Trinity-Siskiyou co line, N of Trinity Center, road from Trinity Center to Callahan. 1585 Comment
  CAS-BOT-BC60570  Noccaea fendleri subsp. glauca Alice Eastwood 1923-5-23 11929 Siskiyou Cantara. Southern Pacific RailRoad. Comment
  RSA211335  Noccaea fendleri subsp. glauca William J. Ferlatte 1966-6-23 122 Siskiyou Dorleska summit; Trinity Alps. 2134 Comment
  NY790538  Nothochelone nemorosa D. D. Keck 1938-8-6 4821 Siskiyou At Del Norte Co. line, Poker Flat, on north slope just southeast of summit 1402.1 Comment
  RSA96849  Nothochelone nemorosa Percy C. Everett, E. K. Balls 1954-10-13 20290 Siskiyou Indian Creek Road to Obrien, 20.5 mi NW of Hwy 96 at Happy Camp. 1524 Comment
  UCD110191  Notholithocarpus densiflorus AT Leiser 1973-3-22 s.n. Siskiyou Dunsmuir. Comment
  HSC68988  Nuphar polysepala Maralyn A. Renner 1980-7-24 2042 Siskiyou Lily Pad Lake 1768 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
  CAS-BOT-BC500192  Orobanche fasciculata A. M. Vollmer; L. Beane 1951-6-2 83 Siskiyou Happy Camp, Klamath River Highway Comment
  HSC77040  Orogenia fusiformis K. T. Stillman 1976-6-18 23 Siskiyou Marble Mountain Wilderness Area, Skyhigh Lakes 1707 Comment
  HSC19204  Orthilia secunda J. O. Sawyer 1968-7-22 561 Siskiyou Between Handcock and Diamond Lakes 1951 Comment
  HSC19209  Orthilia secunda J. O. Sawyer 1968-7-23 626 Siskiyou Near Big Flat Campground, Trinity Alps Primitive Area 1524 Comment
  HSC61510  Orthilia secunda Ruby Van Deventer 1939-7-18 Siskiyou Kelley Lake and Kelley Lake Trail Comment
  HSC803  Orthilia secunda William J. Ferlatte 1967-7-25 714 Siskiyou N side of Caribou Mtn. 1982 Comment
  UC1333300  Orthilia secunda Dorothy Parker 1949-6-26 Siskiyou Etna Creek, Salmon Mountains Range 1207 Comment
  CAS-BOT-BC458081  Orthilia secunda W. R. Dudley 1899-8-24 s.n. Siskiyou Craggy Peak at Spring Comment
  CAS-BOT-BC458089  Orthilia secunda A. A. Heller 1914-8-28 11743 Siskiyou Mt. Eddy, east side 1828 Comment
  RSA0083191  Orthilia secunda M. S. Baker 131 Siskiyou Hillside S.W. of Medicine Lake. Comment
  CAS-BOT-BC266620  Orthocarpus cuspidatus C. G. Pringle 1882-9-1 s.n. Siskiyou Mountains about the headwaters of the Sacramento River 2133 Comment
  HSC60387  Orthocarpus cuspidatus subsp. copelandii Carl Wishner 1978-8-1 555 Siskiyou Sandy Ridge trail 11W21 above Monument Lake, Marble Mtns. Wilderness Area 1829 Comment
  RSA120314  Orthocarpus cuspidatus subsp. copelandii S. S. Tillett 1956-7-9 671 Siskiyou Along ridge running n from nw side of Scott Mtn., between Big Carmen Creek and Mule Creek, Siskiyou-Trinity Cos line, ca. 8 mi se of Callahan. 1951 Comment
  RSA238817  Orthocarpus cuspidatus subsp. copelandii Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1295 Siskiyou Sundew Bog, English Lake region. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1829 Comment
  RSA407987  Orthocarpus cuspidatus subsp. copelandii Louis C. Wheeler 1934-7-3 2851 Siskiyou Head of Soda Crk, Sterling Mt, Siskiyou Mtns. 1768 Comment
  UC1114764  Orthocarpus imbricatus W. Bridge Cooke 1956-7-19 30309 Siskiyou below Wagon Camp Mount Shasta (Mount Shasta); , below Wagon Camp Comment
  SBBG25956  Osmorhiza berteroi D. Myrick 1966-8-10 1530 Siskiyou Salmon Crk Trail at Mountain Meadow Ranch, Big Flat 1676 Comment
  SEINET11132532  Osmorhiza berteroi G. D. Butler 1910-6-6 1453 Siskiyou Quartz Valley. Comment
  HSC73996  Osmorhiza purpurea Gail Newton 1980-6-20 510 Siskiyou Near Bald Mtn. 1097 Comment
  HSC92968  Oxyria digyna Jennifer Whipple 1976-7-25 1574 Siskiyou N face of Mt Eddy 2378 Comment
  UC579117  Packera cana J. William Thompson 1936-7-8 13150 Siskiyou Lava Beds National Monument Comment
  UCSC004606  Panicum acuminatum var. fasciculatum Randall Morgan 2004-5-31 4179 Siskiyou Castle Crags State Park, Sacramento River, Middle Creek Comment
  UCD89493  Panicum capillare Beecher Crampton 1956-8-21 3853 Siskiyou 1.5 miles southwest of Mt. Shasta City. Along Castle Lake Road 1036 Comment
  HSC102663  Papaver rhoeas J. P. Smith 2009-6-1 12621 Siskiyou Gazelle to Callahan Road. Comment
  CDA3569  Papaver rhoeas T. C. Fuller 1962-6-13 8971 Siskiyou Highway 99 to Yreka, north limits of Gazelle. 0 Comment
  UC73108  Parnassia californica Milo S. Baker Aug. 1900 Siskiyou Mount Shasta, on Ash Creek Ash Creek; Mount Shasta, Ash Creek 2438 Comment
  CAS-BOT-BC202861  Paxistima myrsinites R. F. Thorne 1969-8-2 63324 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Near jct. of Boulder Creek and N. Fork Salmon River, along trail to English Peak Comment
  CHSC237  Paxistima myrsinites V. Keeler 1935-5-9 Siskiyou Dunsmuir. Comment
  HSC73219  Paxistima myrsinites Gail Newton 1980-6-20 503 Siskiyou Near Bald Mtn. 1097 Comment
  SBBG4074  Paxistima myrsinites H. and M. Dearing 1939-7-1 3774 Siskiyou W of Etna on Etna Crk 1219 Comment
  UC1280891  Paxistima myrsinites H. E. McMinn 1931-6-27 2514 Siskiyou Mt. Shasta City Comment
  UC719806  Paxistima myrsinites Rogers McVaugh 1941-8-4 6235 Siskiyou banks of Sacramento R. n. of Shasta Retreat Comment
  RSA758226  Paxistima myrsinites R. F. Thorne 1969-8-2 63324 Siskiyou Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak Comment
  JEPS128456  Pectiantia pentandra Julie Kierstead Nelson with Martin Lenz 2015-6-18 2015 -057 Siskiyou Headwaters of West Fork Parks Creek, 2 miles NNE of China Mountain; 7 miles W of town of Weed. Comment
  HSC19158  Pedicularis bracteosa var. flavida J. O. Sawyer 1969-8-4 1819 Siskiyou Above Sugar Lake 2134 Comment
  HSC77143  Pedicularis contorta J. O. Sawyer 1969-8-2 1706 Siskiyou E facing slope W of Little Duck Lake 2317 Comment
  UCD123373  Pedicularis groenlandica J. M. Tucker; D. V. Hemphill 1974-7-26 4293 Siskiyou Let 'Er Buck Meadows, ca. 0.5 mile southeast of Haypress Meadows, Marble Mountain Wilderness Area. 1432 Comment
  RSA0018475  Pedicularis howellii James R. Shevock 2012-7-20 40552 Siskiyou Rocky slope above Echo Lake on ridge, east of Red Buttes Wilderness and west of Cook and Green Pass, Applegate River Drainage. 1777 Comment
  HSC60797  Pedicularis racemosa Ruby Van Deventer 1962-8-14 Siskiyou Bell Echo Camp in Youngs Valley 1372 Comment
  UCR37853  Pedicularis racemosa K. T. Stillman 1976-7-21 271 Siskiyou Marble Mountain Wilderness Area 1982 Comment
  HSC86526  Pedicularis racemosa D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  POM301725  Pellaea brachyptera Marion Ownbey, D. H. Brown 1941-6-22 2424 Siskiyou West of Craggy Mountain, northwest of Yreka Comment
  UC1874952  Pellaea brachyptera Ruth Kirkpatrick 2003-8-1 1176 Siskiyou 7 air mi NNE of Seiad Valley. Along Seiad Creek Road (FS Road 48N20). East Fork of Seiad Creek. 1 air mile W of Copper Butte. 1396 Comment
  CAS-BOT-BC67680  Pellaea brachyptera Marion Ownbey; D. H. Brown 1941-6-22 2424 Siskiyou Ridge, west of Craggy Mountain, northwest of Yreka. Comment
  CAS-BOT-BC67668  Pellaea breweri Geo. D. Butler 1908-8-8 240 Siskiyou Marble Valley Comment
  UC922431  Pellaea breweri Annie M. Alexander and Louise Kellogg 1949-7-24 5861 Siskiyou trail to Bear Lake Paradise Lake; Marble Mts 1920 Comment
  CAS-BOT-BC67669  Pellaea breweri Gilbert Muth 1966-8-3 163 Siskiyou Marble Mountains 1792 Comment
  CAS-BOT-BC67670  Pellaea breweri J. M. Tucker 1963-8-18 3760 Siskiyou Marble Mountain Wilderness Area - southwestern ride of Black Marble Mountain. 2133 Comment
  HSC4800  Penstemon anguineus William J. Ferlatte 1966-8-5 325 Siskiyou N side of Caribou Mtn. 1982 Comment
  CAS-BOT-BC6574  Penstemon anguineus Volney Rattan 1879-6-1 s.n. Siskiyou Klamath River Comment
  HSC60154  Penstemon anguineus D. L. Goforth 1979-7-7 225 Siskiyou Klamath National Forest, Condrey Mtn. Rd. Comment
  UC1238941  Penstemon anguineus Freed W. Hoffman 1940-7-11 3489 Siskiyou Cedar Camp road 23.9 mi n Klamath Highway (western Siskiyou County); North Coast Ranges, n of Klamath Highway Comment
  JEPS45933  Penstemon cinereus Rimo Bacigalupi and L. R. Heckard 1966-6-13 9177 Siskiyou along Bolam Logging Road (n base of Mt. Shasta); , along Bolam logging road 1432 Comment
  JEPS94895  Penstemon cinereus Vernon H. Oswald and Lowell Ahart 1998-6-11 9190 Siskiyou ne of Weed (Shasta National Forest plantation on the w side of Highway 97, 2.2 mi ne of Lake Shastina-Big Springs Road); Shasta National Forest plantation, Highway 97 1066 Comment
  POM14668  Penstemon davidsonii subsp. davidsonii E. B. Copeland 1903-8-16 3871 Siskiyou Mount Shasta 3201 Comment
  CAS-BOT-BC265364  Penstemon davidsonii var. davidsonii H. M. Hall 1902-9-7 s.n. Siskiyou Horse Camp, Mount Shasta Comment
  CAS-BOT-BC265378  Penstemon davidsonii var. davidsonii Alice Eastwood 1921-7-28 10893 Siskiyou Little Mount Hoffman Comment
  CAS-BOT-BC265386  Penstemon davidsonii var. davidsonii Arthur L. Menzies 1962-7-23 s.n. Siskiyou Castle Lake Comment
  NY590189  Penstemon davidsonii var. davidsonii R. F. Thorne 1969-8-10 39005 Siskiyou Mount Shasta National Forest: south slope of Mount Shasta 2377.4 Comment
  HSC20982  Penstemon deustus D. M. Thomson 1965-6-19 91 Siskiyou Lava Beds National Monument, Captain Jacks Stronghold Comment
  SBBG26862  Penstemon deustus M. Ownbey, R. Ownbey 1938-7-19 1750 Siskiyou 2.5 mi NW of Dry Lake Lookout, summit of the Siskiyou Mtns Comment
  UC164358  Penstemon deustus var. suffrutescens Geo. D. Butler 1908-7-12 434 Siskiyou dry hills near Yreka; Dry hills near Yreka 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
  UC1483496  Penstemon gracilentus J. Sawyer and J. Cole 1980-7-21 3882 Siskiyou near Haight Mtn. (along F.S. rd running ssw); Klamath National Forest, Bray Quad. 1938 Comment
  UC1561057  Penstemon gracilentus Dean Wm. Taylor with Glenn L. Clifton, Rexford Palmer 1987-6-7 9023 Siskiyou near Yellowjacket Ice Cave (Medicine Lake Highland); Upper Modoc Plateau, Medicine Lake highland, nr Yellowjacket 1798 Comment
Read comments Jun 8 2008
  UC313694  Penstemon gracilentus David D. Keck 1927-8-17 307 Siskiyou Horse Camp , Horse Camp (s side of Mt. Shasta) 2468 Comment
  NY600701  Penstemon gracilentus K. A. Vincent 1987-8-12 4512 Siskiyou Cascade Range, Butte Mountain; along Butte Mountain Road, ca. 3.6 miles west of junction Meiss Lake Road, located 7.2 miles west of junction US 97 on south side of MacDoel. 1828.8 Comment
  RSA21195  Penstemon gracilentus Carl B. Wolf 1937-8-8 9083 Siskiyou SW side of Mt Shasta, along John S. Everett Memorial Hwy. 2134 Comment
  RSA34969  Penstemon gracilentus Roxana S. Ferris, Laura Lorraine 1941-8-11 10507 Siskiyou 3 miles from Medicine Lake on road to Modoc Lava Beds National Monument. Shasta National Forest. Comment
  JEPS11461  Penstemon heterodoxus var. shastensis Geo. D. Butler 1909-6-22 934 Siskiyou Goosenest Mountain Comment
  JEPS11463  Penstemon heterodoxus var. shastensis W. L. Jepson 1940-7-3 20106 Siskiyou (5 mi se Bartle) (Large meadow.); Big Bear Flat 1219 Comment
  NY601598  Penstemon heterodoxus var. shastensis F. W. Gould 1940-5-16 645 Siskiyou About 24 miles north of Weed on the road to Klammath Falls. Comment
  JEPS116586  Penstemon humilis var. humilis Julie Kierstead Nelson with Rhonda Posey 2007-6-15 2007 -015 Siskiyou North side of Mt. Shasta, south Hwy 97, along Forest Service Rd. 42N15 unburned area within Hotlum Fire perimeter burned Feb 2006 ca. 4 mi NE town of Weed Mt. Shasta 1219 Comment
  UC1586983  Penstemon laetus Juha Pykala and D. H. Norris 1987-6-26 2012 Siskiyou between Doolittle Creek and Stanza Creek (eastern tributaries of Elk Creek); Klamath National Forest, n of Sulphur Springs 1371 Comment
  SEINET11262162  Penstemon laetus subsp. sagittatus Noel H. Holmgren, James L. Reveal 1966-6-9 2678 Siskiyou US 97, Shasta Valley, 4 miles north of Weed.; 0 1158 Comment
  RSA407901  Penstemon laetus subsp. sagittatus J. William Thompson 1936-7-8 13152 Siskiyou Lava slopes of Lava Beds Nat'l Monument. Comment
  JEPS11375  Penstemon laetus var. sagittatus W. L. Jepson 1937-7-30 18559 Siskiyou Poker Flat, headwaters of Indian Creek Siskiyou Mts., Indian Creek 1584 Comment
  CAS-BOT-BC239343  Penstemon newberryi var. berryi Wm. Bridge Cooke 1938-6-17 11010 Siskiyou Mount Shasta. Sisson Southern Trail Comment
  NY627424  Penstemon newberryi var. berryi I. L. Wiggins 1955-7-27 13537 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042.2 Comment
  NY627305  Penstemon newberryi var. newberryi E. B. Copeland 1903-7-17 3510 Siskiyou Mt. Shasta 1828.8 Comment
  HSC76760  Penstemon parvulus K. T. Stillman 1976-7-14 237 Siskiyou Marble Mtn. Wilderness Area Comment
  HSC19163  Penstemon parvulus J. O. Sawyer 1969-7-1 962 Siskiyou NE facing upper slope above Paynes Lake Creek 1784 Comment
  HSC19134  Penstemon procerus var. brachyanthus J. O. Sawyer 1969-7-10 1285 Siskiyou E facing slope W of S Sugar Lake 2226 Comment
  UC1034022  Penstemon roezlii Francis W. Pennell 1940-7-20 26206 Siskiyou Route 89 e Bartle (w of Dead Horse Summit); , e of Bartle 1158 Comment
  RSA44887  Penstemon roezlii J. C. Roos 1948-9-2 3947 Siskiyou 6 miles SW of Yreka. Comment
  UC722467  Penstemon rupicola C. L. Hitchcock and J. S. Martin 1939-7-6 5231 Siskiyou on Takilma - Happy Camp road (peak above and n of Divide of Siskiyou Mts.); peak above and n of Divide of Siskiyou Mts. 1828 Comment
  NY651257  Penstemon rydbergii var. oreocharis P. Rubtzoff 1978-6-26 9218 Siskiyou Southeast margin of Grass Lake near Highway 97 Comment
  NY660806  Penstemon speciosus N. H. Holmgren 1966-6-9 2677 Siskiyou US 97, Shasta Valley, 4 miles north of Weed. 1158.2 Comment
  HSC76731  Perideridia oregana K. T. Stillman 1976-8-7 391 Siskiyou Marble Mountain Wilderness Area, trail from Black Mtn. camp to Jump off Comment
  CHSC32966  Persicaria amphibia J. P. Smith; Steve Selva 1970-7-16 4386 Siskiyou Along Klamath River 2 miles west of Seiad Creek. 518 Comment
  UCD77221  Phacelia cookei Robert E. Preston 1997-6-1 1038 Siskiyou in sandy flats 100 ft n of Hwy 97. 1402 Comment
  CHSC70020  Phacelia corymbosa Jennifer Whipple 1977-7-22 2035 Siskiyou Klamath Mountains, Mount Eddy. Dobkins Lake drainage on east facing slopes above Dobkins Lake. 2316 Comment
  RSA0003820  Phacelia corymbosa W. L. Jepson 1914-8-14 6161 Siskiyou Dunsmuir. 671 Comment
  CAS-BOT-BC6867  Phacelia dasyphylla James Downer Culbertson 1904-8-15 s.n. (= no. 4355 of C.F. Baker's distribution) Siskiyou Mt. Whitney 3962 Comment
  JEPS2787 Image available Phacelia frigida W. L. Jepson 1894-8-4 21042 Siskiyou Mt. Shasta Comment
  CHSC717  Phacelia greenei D. Parker 1962-4-28 Siskiyou Yellow Bill Hill in Scott Valley, near Etna. 914 Comment
  HSC43867  Phacelia greenei M. A. Baker 1977-5-22 322 Siskiyou N facing slope of hill just S of Whipple Ranch 976 Comment
  JEPS79423  Phacelia greenei F. D. and C. L. Horn 1980-6-1 Siskiyou summit of hill Callahan, School House Hill (Callahan-Gazelle Rd, n edge of Section 1) Comment
  JEPS28695  Phacelia hastata subsp. compacta Harley P. Chandler June 1901 1655 Siskiyou Marble Mountain North Coast Ranges 2438 Comment
  CDA17143  Phacelia heterophylla subsp. virgata G. F. Hrusa 2001-6-6 15857 Siskiyou Siskiyou Mountains; Along Hwy 96 at Scott R. Bridge. 426 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
  OBI13758  Phacelia leonis Unknown 1960-7-20 3691 Siskiyou Twin Valley, ca. 5 mi SW of Poker Flat, Siskiyou Mtns 1554 Comment
  UC24435  Phacelia linearis W. C. Blasdale 1896-6-18 Siskiyou Shasta Comment
  HSC2392  Phacelia mutabilis William J. Ferlatte 1966-8-18 418 Siskiyou Along S Fork of Salmon River between the campground and Carter's 1524 Comment
  JEPS55975  Phacelia mutabilis John Thomas Howell 1939-8-9 15233 Siskiyou ridge s Marble Valley; Marble Mts. Comment
  JEPS74473  Phacelia mutabilis W. J. Ferlatte 1966-6-23 146 Siskiyou Big Flat Trinity Alps (wooded area near public camp) 1524 Comment
  UC909977  Phacelia mutabilis A. A. Heller 1915-8-26 12231 Siskiyou n side Mt. Eddy 1981 Comment
  UC923088  Phacelia mutabilis Freed W. Hoffman 1950-7-11 3315 Siskiyou Cedar Camp rd 23.1 mi from Klamath Highway (3.2 mi from Cedar Camp); North Coast Ranges Comment
  HSC27678  Phacelia nemoralis subsp. oregonensis Carl W. Mize 1972-6-8 35 Siskiyou Along trail before Dear Lick Creek 335 Comment
  JEPS1095  Phacelia pringlei John G. Lemmon September, 1879 Siskiyou near Shasta Comment
  CAS-BOT-BC159144  Phacelia ramosissima var. ramosissima Alice Eastwood; John Thomas Howell 1940-6-14 8267 Siskiyou Lava Beds Nat. Mon. near Schonchin Butte Comment
  CAS-BOT-BC77407  Philadelphus lewisii H. P. Olmo 1933-6-8 s.n. Siskiyou Somes Bar, Klamath River Comment
  UC1212570  Philadelphus lewisii Francia Chisaki and Helen Sharsmith 1959-8-20 4745 Siskiyou between Forks of Salmon and Somes Bar (several mi from Forks of Salmon); Inner North Coast Ranges, Salmon River 304 Comment
  UCR93361  Philadelphus lewisii Kathy Harper, Dane Karr 1994-6-14 s.n. Siskiyou Sierra Nevada Mtns., State Hwy 96, south of Happy Camp (at mi. Marker 13.96) 244 Comment
  UCD89299  Phleum alpinum Beecher Crampton 1956-8-21 3806 Siskiyou Siskiyou County, 15-16 miles southwest of Mt. Shasta City. Slopes above Gumboot Lake, headwater of the south fork of the Sacramento River. 1920 Comment
  HSC30605  Phleum pratense Frederick W. Oettinger 1968-9-5 738 Siskiyou Bear Meadow., Tom's Lake region. 2188 Comment
  HSC58857  Phleum pratense Marvin Butler 1971-8-2 266 Siskiyou Near Youngs Valley, close to the town of Cave Junction. 1403 Comment
  HSC60790  Phleum pratense Ruby Van Deventer 1960-7-7 Siskiyou Bell Echo Camp in Youngs Valley. 1220 Comment
  UCD89651  Phleum pratense E. Wilson 1934-7-1 s.n. Siskiyou Shasta Springs. Comment
  HSC46348  Phlox diffusa J. P. Smith 1973-5-5 6424 Siskiyou Trail to the Siskiyou cypress stand, off the Cook and Green Pass Rd. Comment
  HSC92076  Phlox diffusa Jennifer Whipple 1976-6-12 979 Siskiyou SE slope of Mt. Eddy draining into the N Fork of the Sacramento River 2195 Comment
  SD114161  Phlox diffusa Darley F. Howe 1979-6-26 5110 Siskiyou Military Pass Road, 19 miles east of Highway 97. 1768 Comment
  UCSB27391  Phlox diffusa Wilken, Dieter 1969-7-26 Siskiyou Above smnmit of Mt. Shasta Ski Bowl Road; south slope of Mt. Shasta 3200 Comment
  JEPS71085  Phlox gracilis W. L. Jepson Jul 1894 15054 Siskiyou near Black Butte (Muir Peak) (n of Sisson) Comment
  UCR37836  Phlox gracilis L. P. Janeway 1983-7-3 368 Siskiyou Ridgetop NW of Poker Flat. (Siskiyou crest) 1585 Comment
  SEINET10638272  Phlox hirsuta Edward L. Greene 1876-1 Siskiyou Comment
  SEINET7042841  Phlox hirsuta A. G. Jones 1955-1 Siskiyou Comment
  UC682098  Phlox speciosa G. L. Stebbins Jr. with A. A. Beetle 1942-6-1 3267 Siskiyou 15 mi n Happy Camp (above Indian Creek) 1219 Comment
  HSC82284  Phlox speciosa subsp. occidentalis Thomas W. Nelson, Jane P. Nelson 1979-6-15 4804 Siskiyou Along road to Carmen Lake, 0.6 mi. from junction with State Route. 1646 Comment
  CAS-BOT-BC60686  Phoenicaulis cheiranthoides Dorothy Parker 1948-5-11 s.n. Siskiyou East fork of Scott River, Plowman's Valley. 1158 Comment
  UC375256  Phoradendron Geo. D. Butler 1908-8-16 275 Siskiyou hills near Yreka Comment
  JEPS42562  Phoradendron juniperinum Geo. M. Pendleton 1917-10-3 5992 Siskiyou Sisson Comment
  CAS-BOT-BC171212  Phoradendron serotinum subsp. tomentosum Doris K. Kildale 1929-5-31 9124 Siskiyou Cecilville, S Fork of Salmon River Comment
  CAS-BOT-BC171215  Phoradendron serotinum subsp. tomentosum Lewis S. Rose 1925-7-29 s.n. Siskiyou Shasta Springs Comment
  RSA91819  Phragmites australis L. C. Wheeler 1934-10-21 3335 Siskiyou Shasta Valley 4 miles E Grenada 869 Comment
  HSC60912  Phyllodoce empetriformis Al Hobart Siskiyou Black Butte Comment
  RSA238386  Phyllodoce empetriformis Frederick W. Oettinger 1968-8-1 338 Siskiyou Inlet meadow sloping down to Little Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 2043 Comment
  SEINET2031085 Image available Phyllodoce empetriformis Joseph P. Tracy 1935-1 14406 Siskiyou Rock Lake; on ridge between Salmon and New Rivers; at extreme head of West Fork of Knownothing Creek. In a rocky snow cirque. 1890 Comment
  RSA300521  Physocarpus capitatus Walter Wisura, John Dourley 1982-10-16 3874 Siskiyou Shores of Castle Lake, SW of town of Mt. Shasta. 1646 Comment
  CAS-BOT-BC78170  Picea breweriana Marion Ownbey; Fred G. Meyer 1940-7-6 2205 Siskiyou Summit of Cayenne Ridge on west side, Marble Mountain Comment
  CDA493  Picea breweriana G. Fred Hrusa 1998-7-5 14675 Siskiyou Happy Camp- O Brien Rd; S side below summit. Comment
  UC1409271  Picea breweriana Frederick W. Oettinger 1968-8-13 506 Siskiyou cliffs above Hell Hole (near Hancock Lake, the high lake basins in the vicinity of English Peak); Salmon Mountains, Marble Mountain Wilderness Area 1935 Comment
  POM120193  Pinus albicaulis Geo D. Butler 1908-8-5 520 Siskiyou West Fork of Wooley Creek. 1677 Comment
  UC1409508  Pinus attenuata Frederick W. Oettinger 1968-9-3 685 Siskiyou talus slope on ridge nw of Horse Range Lake (w Siskiyou Co.); Salmon Mountains, Marble Mountain Wilderness Area 2011 Comment
  NY579173  Pinus attenuata T. charlet 1996-12-15 2350 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UC1980210  Pinus balfouriana Ron Mastrogiuseppe, Joy Mastrogiuseppe 1972-7-21 s.n. Siskiyou SISKIYOU CO.: Klamath National Forest, Lake Mountain. Comment
  UCD133168  Pinus contorta subsp. murrayana Robert E. Preston 2001-8-26 1760 Siskiyou Klamath National Forest, north slope of Rainbow Mountain, Hemlock Lake. 1883 Comment
  POM120191  Pinus contorta var. murrayana Geo D. Butler 1910-5-10 1333 Siskiyou Swampy woods, Goosenest Mountain 1677 Comment
  CHSC31368  Pinus jeffreyi G. Smalley 1967-7-1 Siskiyou Collected ca. 12 miles e of Callahan. 1524 Comment
  CAS-BOT-BC78783  Pinus lambertiana Ira L. Wiggins 1955-7-24 13496 Siskiyou Ridge betw. upper reaches of China & Blind Horse Creeks 1645 Comment
  UC60968  Pinus lambertiana Kate Stirring 1914-9-25 Siskiyou Etna Mills Comment
  CAS-BOT-BC419722  Pinus monticola Julie Kierstead Nelson; Keli McElroy 2012-8-10 2012 -076 Siskiyou NW side of Gumboot Lake. 1853 Comment
  HSC69016  Pinus monticola Maralyn A. Renner 1980-7-24 2021 Siskiyou Lily Pad Lake 1768 Comment
  UC141586  Pinus monticola Dr. E. B. Copeland 1903-9-8 3806 Siskiyou Mt. Eddy Pacific Coast, Mt. Eddy 1524 Comment
  CAS-BOT-BC72817  Pinus sabiniana Frank Callahan 2006-9-1 s.n. Siskiyou Forks of Salmon 7.5', south fork 381 Comment
  HSC40752  Pityopus californicus Ed Cope 1977-7-16 130 Siskiyou Marble Mountain Wilderness Area. 2 1/2 mi. from beginning (at Lick Creek) on Johnson's Hunting Grounds Trail. Bulk Collection 114 1707 Comment
  UCD120837  Plagiobothrys hispidulus Louis C. Wheeler 1934-7-3 2869 Siskiyou Soda Creek, Sterling Mt., Siskiyou Mts., Mt. Diablo Mer. 1676 Comment
  CHSC71289  Plagiobothrys tenellus Vernon H. Oswald; Lowell Ahart 1998-6-11 9177 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
  UC642563  Plantago lanceolata unknown 1939-7-7 13585 Siskiyou Bear Springs Mount Shasta Comment
  HSC21995  Platanthera sparsiflora J. O. Sawyer 1969-8-4 1892 Siskiyou Above S Sugar Lake 2043 Comment
  UC164086  Plectritis macrocera Geo. D. Butler 1910-4-15 1176 Siskiyou Yreka Creek Comment
  RSA121890  Plectritis macrocera M. H. Mitchell 1936-5-8 s.n. Siskiyou 2 miles E of Schonchin Butte. 1372 Comment
  SBBG26969  Plectritis macrocera L. C. Wheeler 1935-6-1 3537 Siskiyou Yreka Crk, Siskiyou Mtns 853 Comment
  RSA183749  Pleuricospora fimbriolata Gilbert Muth 1965-8-5 307 Siskiyou Granite Creek, Marble Mts. Comment
  HSC34104  Poa bolanderi J. O. Sawyer 1969-7-9 1222 Siskiyou Along trail to Sugar Lake. 1768 Comment
  SEINET10659111  Poa bolanderi George D. Butler 1910-7-12 Butler 1750 Siskiyou Dry shady woods, Shackleford Creek. Comment
  CAS-BOT-BC255003  Poa bulbosa Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53402 Siskiyou Forest Mountain Summit, 6 miles SW of Yreka on road to Fort Jones 1249 Comment
  HSC30211  Poa bulbosa William J. Ferlatte 1968-6-8 1133 Siskiyou Mountain Meadow Ranch. 1524 Comment
  HSC36818  Poa bulbosa J. P. Smith 1974-5-27 7615 Siskiyou Along FS Rd. 47N03 1280 Comment
  UCD91091  Poa howellii A. A. Beetle; G. L. Stebbins Jr. 1942-5-31 3429 Siskiyou 13 miles east of Hamburg, banks of the Klamath River. Comment
  CAS-BOT-BC246829  Poa leptocoma John Thomas Howell 1939-8-10 15263 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC247012  Poa nervosa Geo. D. Butler 1910-5-10 1318 Siskiyou Goosenest foothills 1524 Comment
  CAS-BOT-BC256013  Poa pratensis Wm. Bridge Cooke 1938-7-15 11236 Siskiyou Wagon Camp, Mount Shasta 1737 Comment
  HSC65258  Poa pratensis J. P. Smith 1973-5-5 6427 Siskiyou Along Cook and Green Pass Rd. Comment
  CAS-BOT-BC256009  Poa pratensis Doris K. Kildale 1928-7-4 5534 Siskiyou 1 1/2 miles east of summit between Sawyers Bar and Etna Comment
  HSC92155  Poa pringlei Jennifer Whipple 1977-7-20 1977 Siskiyou South face of Mt. Eddy. 2470 Comment
  RSA184780  Poa pringlei Gilbert Muth 1966-7-31 473 Siskiyou North side of Black Mountain, Marble Mountains 2043 Comment
  RSA233672  Poa pringlei R. F. Thorne, Frederick W. Oettinger 1969-8-10 38976 Siskiyou Mt. Shasta National Forest: S slope of Mt. Shasta, Panther Creek Meadows 2195 Comment
  UC618612  Poa pringlei W. Bridge Cooke 1938-9-8 11640 Siskiyou near South Gate Springs; Mt Shasta Comment
  UCD91770  Poa pringlei A. H. Murphy 1959-7-22 59 M Siskiyou Shasta National Forest. Summit between Bear Creek and Toad Lake. 2346 Comment
  RSA273422  Poa secunda J. P. Smith 1976-5-5 8708 Siskiyou road between Forks of Salmon and Somes Bar 366 Comment
  RSA578037  Poa secunda L. C. Wheeler 1935-6-30 3635 Siskiyou Shasta Valley, 3 miles S of Grenada. 793 Comment
  UC167207  Poa secunda subsp. juncifolia Geo. D. Butler 1908-7-16 467 Siskiyou Klamath River Comment
  UC589888  Poa secunda subsp. juncifolia H. S. Yates 1936-6-21 5823 Siskiyou 1 mi sw Gazelle; Etna Quadrangle 792 Comment
  CHSC98796  Poa secunda subsp. secunda J. K. Nelson; Rhonda Posey, Mary Ellen Colberg, Twyla Miller 2006-5-19 2006 -019 Siskiyou North side of Mt. Shasta, south of Hwy 97; Hotlum Fire area burned in February 2006. 1090 Comment
  HSC27167  Poa secunda subsp. secunda J. P. Smith, J. O. Sawyer 1972-5-7 5285 Siskiyou 2.3 mi. W of Lava Beds National Monument, on road to Mtn. Dome. 1220 Comment
  UC196956  Poa secunda subsp. secunda Geo. D. Butler 1910-4-19 1200 Siskiyou Yreka Comment
  UCD91714  Poa secunda subsp. secunda W. E. Moon 1958-5-29 s.n. Siskiyou Along State Hwy. 97, SW of Hebron Summit. 1524 Comment
  UCD91757  Poa secunda subsp. secunda A. H. Murphy 1959-7-22 59 Q Siskiyou Shasta National Forest. Porcupine Lake. 2286 Comment
  HSC69256  Poa wheeleri J. O. Sawyer, J. Cole 1980-7-20 3729 Siskiyou Near USFS Rd. 45N05 in center of section 1890 Comment
  JEPS40859  Poa wheeleri Paul C. Hutchison 1961-8-2 937 -A Siskiyou between top of ski lift and Panther Meadow; Mt Shasta 2621 Comment
  HSC19298  Polemonium californicum J. O. Sawyer 1969-6-2 1007 Siskiyou Summit above Albert Lake 2256 Comment
  HSC76631  Polemonium californicum K. T. Stillman 1976-6-17 17 Siskiyou Marble Mtn. Wilderness Area 1768 Comment
  RSA126049  Polemonium californicum I. L. Wiggins 1955-7-29 13574 Siskiyou North-facing slope between Caribou Lake and Pass to Thompson Creek. 1957 Comment
  SEINET4557454  Polemonium californicum Ira L. Wiggins 1955-1 13574 Siskiyou Between Caribou Lake and Pass to Thompson Creek. 1957 Comment
  CAS-BOT-BC6419  Polemonium pulcherrimum Edwin Bingham Copeland 1903-7-16 s.n. Siskiyou Mt. Shasta 3169 Comment
  HSC67531  Polygala californica J. P. Smith, Steve Selva 1970-6-15 3907 Siskiyou 10 mi. NW of Forks of Salmon Comment
  CAS-BOT-BC170336  Polygala cornuta var. cornuta C. G. Pringle 1881-8-15 s.n. Siskiyou Pacific Slope Comment
  POM299532  Polygala cornuta var. cornuta Marion Ownbey, Fred G. Meyer 1940-7-3 2164 Siskiyou 7 mi. northwest of McCloud. Comment
  UC484058  Polygala cornuta var. cornuta Carl B. Wolf 1930-10-22 1756 Siskiyou along Pacific Highway 3 mi n Mt. Shasta City 1219 Comment
  HSC27096  Polygonum aviculare J. P. Smith, J. O. Sawyer 1972-9-14 5807 Siskiyou Miner's Creek Rd. just S of French Creek Rd. between Callahan and Etna. 915 Comment
  UC642558  Polygonum aviculare subsp. aviculare W. Bridge Cooke 1937-8-6 9187 Siskiyou Bear Springs Mount Shasta (meadow) Comment
  JEPS82423  Polygonum bistortoides Gilbert Muth 1966-8-1 481 Siskiyou Marble Valley horse pasture Marble Mt. Wilderness Ara 1792 Comment
  UCR40031  Polygonum davisiae L. P. Janeway 1983-7-31 480 Siskiyou Poker Flat 1524 Comment
  JEPS84296  Polygonum davisiae L. R. Heckard with S. D'Alcamo, J. Hickman, and S. Winchester 1986-7-16 6416 Siskiyou e slope of mt. town of Seiad Valley (ca 5 mi n, cirque at head of Hell's Canyon); Kangaroo Mountain 1828 Comment
  HSC92999  Polygonum douglasii Jennifer Whipple 1977-8-6 2197 Siskiyou Klamath Mtns., SW of Dobkins Lake along drainage into the lake. 2073 Comment
  JEPS51267  Polygonum douglasii Willis L. Jepson Jul 24 1894-Aug 10 1894 Siskiyou Mount Muir Region of the Upper Sacramento (= Black Butte near Sisson) Comment
  RSA601447  Polygonum douglasii Louis C. Wheeler 1935-7-26 3700 Siskiyou Siskiyou mountains: Jaynes Canyon 1951 Comment
  JEPS50548  Polygonum douglasii J. W. Blankinship 1910-8-1 Siskiyou Comment
  POM280357  Polygonum douglasii George B. Grant 1906-7-25 7101 Siskiyou Lake Tahoe. Comment
  UC1034056  Polygonum douglasii subsp. douglasii W. Bridge Cooke 1941-9-5 16266 Siskiyou MacBride Springs Mt. Shasta 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
  UC375148  Polygonum douglasii subsp. douglasii Geo. D. Butler 1910-7-14 1779 Siskiyou Shackleford Creek Comment
  UC850088  Polygonum douglasii subsp. douglasii John Thomas Howell 1939-8-2 14939 Siskiyou Spirit Lake Marble Mts. Comment
  UCR30822  Polygonum douglasii subsp. spergulariiforme John C. Roos 1948-9-1 3941 Siskiyou Near Fort Jones 854 Comment
  CDA22791  Polygonum majus Vernon H. Oswald & Lowell Ahart 1998-6-11 9187 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  HSC32758  Polygonum minimum Frederick W. Oettinger 1968-8-11 471 Siskiyou Marble Mtn. Wilderness Area, NE side of creek bed, Tom Taylor Cabin 2043 Comment
  JEPS19769  Polygonum persicaria Rimo Bacigalupi with S. Galen Smith 1957-6-27 5969 Siskiyou about 1 1/2 mi w Weed (along U.S. Hwy 99) 992 Comment
  UC1408818  Polygonum phytolaccifolium Frederick W. Oettinger and R. F. Thorne 1969-8-7 1274 Siskiyou English Lake Salmon Mountains, Marble Mountain Wilderness Area (se end, w Siskiyou Co.) 1828 Comment
  CHSC116260  Polygonum ramosissimum var. prolificum Barbara L. Wilson; Nick Otting 2014-6-16 18104 Siskiyou City of Weed. 1137 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
  HSC98374  Polygonum shastense J. M. DiTomaso 1980-8-26 1914 Siskiyou Panther Meadow, 15 mi. NE of Mt. Shasta City 2134 Comment
  UC1505635  Polygonum shastense Robert T. Clausen and Harold Trapido 1940-7-27 4980 Siskiyou 3 mi nne summit of Mt. Shasta (w side of creek); So. Cascade Mts., Sacramento River Basin, west fork of Mount 2438 Comment
  UCSB27393  Polygonum shastense Wilken, Dieter 1969-7-26 Siskiyou Summit of Mt. Shasta Ski Bowl Road, south slope of Mt. Shasta 2895 Comment
  CAS-BOT-BC421066  Polygonum spergulariiforme A. A. Heller 1914-8-28 11725 Siskiyou East side of Mt. Eddy 1889 Comment
  CAS-BOT-BC421084  Polygonum spergulariiforme Lowell Ahart 1983-9-13 4411 Siskiyou Near the highway 96, near the Klamath River, about 5 miles west of Interstate Highway 5 1000 Comment
  HSC17500  Polygonum spergulariiforme Geo. D. Butler 1908-8-29 189 Siskiyou Comment
  SBBG29117  Polygonum spergulariiforme L. C. Wheeler 1934-9-26 3303 Siskiyou Siskiyou Mtns; R8W, T$&N, S27 1005 Comment
  CAS-BOT-BC94536  Polystichum lemmonii R. C. Wenk 2006-7-23 527 Siskiyou Trinity Alps, Coffee Creek Road, Big Flat Meadow. Allong Yellow Rose Mine trail to Dorleska Mine. Growing on barren 2118 Comment
  CAS-BOT-BC72393  Polystichum lemmonii Clare B. Hardham 1961-7-1 7991 Siskiyou White Mountain, Siskiyou Mountains Comment
  HSC79123  Polystichum lemmonii C. J. Thomas 1983-10-1 79 Siskiyou Scott Mtn. Summit, 0.5 to 0.75 mi. above Big Carmen Lake 1756 Comment
  POM120351  Polystichum lemmonii Geo D. Butler 1910-7-12 1756 Siskiyou Shackleford Creek 1372 Comment
  POM120353  Polystichum lemmonii Geo D. Butler 1910-7-12 1757 Siskiyou Shackleford Creek 1372 Comment
  POM197154  Polystichum lemmonii J. G. Lemmon 1889-09 s.n. Siskiyou Mt. Eddy Comment
  RSA693360  Polystichum lemmonii M. B. Dunkle 1945-07 9277 Siskiyou Paradise Lake, Marble Mountains Comment
  CAS-BOT-BC72400  Polystichum lonchitis Louis C. Wheeler 1934-8-10 3100 Siskiyou Dead Cow Creek, Siskiyou Mts. 1889 Comment
  POM210880  Polystichum lonchitis L. C. Wheeler 1934-8-6 3058 Siskiyou Siskiyou Mountains: Rocky Gulch off Jaynes Canyon. Mt. Diablo Mer. 1829 Comment
  CAS-BOT-BC76685  Polystichum munitum Robert T. Clausen; Harold Trapido 1940-7-28 4984 Siskiyou Klamath Mts., Klamath River Basin - 1 mile up canyon of Canyon Creek from Scott River, about 12 miles south of Hamburg. 762 Comment
  CAS-BOT-BC72500  Polystichum scopulinum W. R. Maxon 1939-7-26 13744 Siskiyou above Panther Creek Meadows 2743 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
  UC54209  Populus tremuloides H. M. Hall and E. B. Babcock June, 1903 4080 Siskiyou along streams in Shasta Valley Shasta Valley (Mount Shasta); , Shasta Valley 914 Comment
  UC164396  Populus trichocarpa Geo. D. Butler 1909-4-26 1072 Siskiyou low ground near Oro Fino; near Oro Fino Comment
  CDA42312  Porterella carnosula T. C. Fuller 1960-6-3 s.n. Siskiyou Edge of Toad Lake, ca. 7 miles northeast of Bartle. 0 Comment
  HSC61506  Potamogeton crispus Ruby Van Deventer Siskiyou Kelley Lake and Trail Comment
  HSC85  Potentilla breweri William J. Ferlatte 1967-8-23 1096 Siskiyou Head of Kidd Creek 2134 Comment
  JEPS44166  Potentilla drummondii Harley P. Chandler June, 1901 1564 Siskiyou ridges and meadows near Marble Mountain; North Coast Ranges, near Marble Mountain 1828 Comment
  UCD113827  Potentilla drummondii J. M. Tucker 1974-7-28 4320 Siskiyou Haypress Meadows, Marble Mountain Wilderness Area. 1463 Comment
  RSA237623  Potentilla drummondii Frederick W. Oettinger 1968-9-7 769 Siskiyou Ridge SE of Tobacco Lake Meadow. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1890 Comment
  HSC295  Potentilla flabellifolia William J. Ferlatte 1966-8-17 390 Siskiyou Caribou Basin 1982 Comment
  UC375272  Potentilla flabellifolia Geo. D. Butler 1908-8-8 357 Siskiyou Marble Valley Comment
  CAS-BOT-BC143260  Potentilla flabellifolia David Keck 1938-9-8 11626 Siskiyou Springs in the South Gate Comment
  RSA237617  Potentilla flabellifolia Frederick W. Oettinger 1969-7-13 1009 Siskiyou South of upper English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1951 Comment
  JEPS74487  Potentilla fruticosa W. J. Ferlatte 1966-8-19 441 Siskiyou Kidd Creek Trail Trinity Alps, Kidd Creek Trail 1676 Comment
  UC555306  Potentilla fruticosa D. Tebbe 1929-7-15 124 Siskiyou Mt. Eddy Comment
  UC70340  Potentilla gracilis T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  HSC69007  Potentilla gracilis var. fastigiata Maralyn A. Renner 1980-7-24 2051 Siskiyou Lily Pad Lake 1768 Comment
  JEPS79199  Potentilla gracilis var. fastigiata W. L. Jepson 1937-7-30 18550 Siskiyou Poker Flat Siskiyou Mts., headwaters of Indian Creek (headwaters of Indian Creek) 1584 Comment
  UC454983  Potentilla gracilis var. fastigiata I. J. Condit 1909-8-23 Siskiyou near Sisson; Castle Lake, near Sisson 1828 Comment
  CAS-BOT-BC540548  Potentilla gracilis var. fastigiata Wm. Bridge Cooke 1940-6-6 15040 Siskiyou Along a creek near the Castle Lake Road 1524 Comment
  CAS-BOT-BC540573  Potentilla gracilis var. fastigiata Alice Eastwood 1921-7-29 10985 Siskiyou Pumice Mt. Comment
  RSA211183  Potentilla gracilis var. fastigiata William J. Ferlatte 1966-8-3 260 Siskiyou Mountain Meadow ranch, weedy area around buildings. 1524 Comment
  SEINET13710170  Potentilla gracilis var. fastigiata Lowell William Ahart, Lowell William Ahart 1998-1 9351 Siskiyou NE of Weed and S of Macdoel along Old State Hwy W of Bray (T44N, R1W, sec 20, SE 1/4) 4650 Ft. 1417 Comment
  CHSC106097  Potentilla millefolia Lowell Ahart; John Dittes 2010-7-30 16938 Siskiyou West of the pipe crossing the Shasta River, about 10 yards south of the East Louie Road Bridge, Shasta Big Springs Ranch, 1.6 miles (air) southwest of Big Springs Lake, 4.6 miles (air) northwest of Dwinnel Dam, 5.7 miles (air) southeast of Grenada. 716 Comment
  CAS-BOT-BC158532  Potentilla millefolia L. E. Smith 1913-5-18 269 Siskiyou Gazelle Comment
  CAS-BOT-BC158535  Potentilla millefolia L. E. Smith 1913-5-2 245 Siskiyou Bray Comment
  POM253374  Potentilla millefolia A. A. Heller 1938-7-13 15266 Siskiyou About 1 mile S of Bray. 1402 Comment
  POM264923  Potentilla millefolia Louis C. Wheeler 1935-6-23 3590 Siskiyou Shasta River 2 miles NW Montague 762 Comment
  HSC32245  Primula suffrutescens J. O. Sawyer 1970-8-5 2357 Siskiyou Sawtooth Ridge S of Caribou Lake 2195 Comment
  JEPS124566 Image available Prunella vulgaris subsp. lanceolata Michael Fleschner 1965-7-14 1965 -141 Siskiyou 4 miles west of Deadhouse summit HWY 89. Comment
  UC1034608  Prunella vulgaris var. lanceolata Douglas Barbe 1955-6-29 40 Siskiyou on the s bank of Scott River 1.8 mi e Callahan; Klamath Mountains, bank of Scott River 975 Comment
  CAS-BOT-BC158233  Prunus emarginata A. A. Heller 1920-8-13 13523 Siskiyou Near the Big [Sprin] Spring near Sisson Comment
  HSC18809  Prunus emarginata R. C. Wunner 1965-8-17 440 Siskiyou California Lava Beds National Monument; near N Prefab, Indian Well 1433 Comment
  HSC18926  Prunus emarginata J. O. Sawyer 1969-8-1 1664 Siskiyou SE facing slope above Duck Lake Creek 1951 Comment
  HSC58847  Prunus emarginata Marvin Butler 1971-7-7 45 Siskiyou Near El Capitan, close to the town of Cave Junction 1464 Comment
  SD76177  Prunus emarginata Helen Witham 1969-10-9 601 Siskiyou One mile above pine plantation. Thicket beside road at 5000ft. Sign 1500 Comment
  UC1128304  Prunus emarginata M. H. Mitchell 1936-6-8 Siskiyou Irish Bridge, Modoc Lava Beds National Monument Irish Bridge; Modoc Lava Beds National Monument, Irish Bridge 1417 Comment
  UC618731  Prunus emarginata W. Bridge Cooke 1938-6-17 11011 Siskiyou Mount Shasta, Sisson Southern Trail Sisson Southern Trail; Mount Shasta, Sisson Southern Trail 1371 Comment
  CAS-BOT-BC154678  Prunus subcordata Wm. Bridge Cooke 1938-8-5 11437 Siskiyou [MacBride] McBride Spring Road Comment
  JEPS95317  Pseudognaphalium stramineum Vernon H. Oswald and L. Ahart 1994-8-10 6451 Siskiyou T40N R2W NE1/4 NE1/4 Sec. 27, 3600 ft, Yellow Pine Forest. Pilgrim Creek Rd. (FS13) at Mud Creek, 2.7 mi N of Hwy. 89, ca. 4.5 mi (air) NE of McCloud 1097 Comment
  CHSC96101  Pseudostellaria jamesiana L. P. Janeway 2006-7-4 8796 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  UC120047  Pseudostellaria jamesiana Thos. Howell 1889-4-16 1337 Siskiyou Hornbrook Comment
  NY63884  Pseudotsuga menziesii var. menziesii D. B. Dunn 1973-6-3 20650 Siskiyou Vicinity of the campground on the Salmon River, 8.3 miles west of Cecilville Comment
  UCD135128  Pseudotsuga menziesii var. menziesii Lalit M. Srivastava; H. R Offord, C. R. Quick 1959-6-23 81 Siskiyou Cecilville Road south of Black Bear Summit. 1402 Comment
  HSC46225  Psilocarphus tenellus Jennifer Whipple 1978-6-5 2336 Siskiyou Weston Gulch in Scott Valley 854 Comment
  HSC19192  Pteridium aquilinum var. pubescens J. O. Sawyer 1968-6-25 308 Siskiyou NE of N Horse Range Lake 2012 Comment
  RSA12613  Pterospora andromedea C. B. Wolf 1934-7-5 5972 Siskiyou 7 3/10 mi. from Dry Lake Look out, Siskiyou Mts. on rd. to Oak Knoll R.S. on Klamath River. 1463 Comment
  RSA97287  Pteryxia terebinthina var. californica F. W. Peirson 1923-7-19 3951 Siskiyou Whitney Creek at the foot of Mt. Shasta. Comment
  JEPS107958  Puccinellia lemmonii Lowell Ahart, John Dittes 2005-6-9 12006 Siskiyou Meadow area along a small drainage, on the east side of a poor rock fence, about 300 yards east of where cattle water in the Shasta River, about 3/5 mile (air) south of Highway 99/97 Cutoff, about 2 1/2 miles (air) east-southeast of Grenada 774 Comment
  CAS-BOT-BC228581  Purshia tridentata Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-21 1936 Siskiyou Shasta Valley, about 11 km NE of Weed along U.S. Highway 97, just past road to Lake Shastina 1082 Comment
  CAS-BOT-BC147896  Purshia tridentata var. tridentata Geo. D. Butler 1910-4-16 1184 Siskiyou Shasta River Comment
  CAS-BOT-BC147897  Purshia tridentata var. tridentata Alice Eastwood; John Thomas Howell 1934-4-20 1759 Siskiyou Near Yreka along Shasta River Comment
  CAS-BOT-BC147907  Purshia tridentata var. tridentata A. A. Heller 1916-6-23 12439 Siskiyou Near Black Butte north of Sisson 1127 Comment
  HSC118  Purshia tridentata var. tridentata William J. Ferlatte 1967-6-29 578 Siskiyou Dorleska Summit 2134 Comment
  SEINET10686400  Purshia tridentata var. tridentata Karen M. Meyer, Andrew Townesmith 2007-8-2 Meyer 184 Siskiyou Shasta-Trinity National Forest. 0.1 mi. on Forest Service Rd. 43N21, 12.5 mi on Hwy. 97, east side of road. 1218 Comment
  CAS-BOT-BC460862  Pyrola aphylla W. R. Dudley 1893-6-21 s.n. Siskiyou Sides of Mt. Shasta Comment
  CAS-BOT-BC460865  Pyrola aphylla Ira L. Wiggins 1955-7-23 13463 A Siskiyou Ridge W of China Creek, S side of S Fork of Salmon River 960 Comment
  SEINET8404856  Pyrola aphylla L. E. Detling 1947-6-3 6047 Siskiyou Happy Camp, Klamath Nat'l. Forest. 335 Comment
  HSC30459  Pyrola asarifolia subsp. asarifolia Frederick W. Oettinger 1969-8-14 1364 Siskiyou Marble Mtn. Wilderness Area, inlet to Upper English Lake 1768 Comment
  HSC270  Pyrola crypta William J. Ferlatte 1967-8-21 1073 Siskiyou Sawtooth Ridge between Caribou Basin and Little S Fork Lake 2287 Comment
  HSC61839  Pyrola dentata Ruby Van Deventer 1938-7-31 Siskiyou Poker Flat 1585 Comment
  HSC69415  Pyrola dentata John Palmer 1980-7-23 565 Siskiyou Past Elbow Springs at end of USFS Rd. 15N19 1220 Comment
  HSC92973  Pyrola dentata Jennifer Whipple 1977-8-4 2161 Siskiyou Wagon Creek drainage on the E face of Mt. Eddy 2195 Comment
  HSC18922  Pyrola dentata J. O. Sawyer 1969-6-11 820 Siskiyou Near C.C.C. road, in Horse Range Creek drainage 1360 Comment
  HSC30474  Pyrola dentata Frederick W. Oettinger 1969-8-9 1325 Siskiyou Salmon Mts., before Hen Creek along main N Fork Trail between Fivemile Stockgate and Abbott's Upper Cabin 1098 Comment
  RSA0080484  Pyrola dentata Marion Ownbey, Fred G. Meyer, Findley Ownbey 1940-7-8 2225 Siskiyou Near summit of Siskiyou Mountains, 17 miles north of Happy Camp. Comment
  RSA0080486  Pyrola dentata E. K. Balls 1949-7-8 13921 Siskiyou Road from Scott Mountain to Callahan. 1372 Comment
  HSC19196  Pyrola picta J. O. Sawyer 1968-7-10 462 Siskiyou Floodplain of Sugar Creek near Sugar Lake. 1799 Comment
  SJSU2586  Pyrola picta H. L. Buckalew 1962-7-6 Siskiyou junction of Indian Cr. & W Branch Indian Cr, Siskiyou Mts Comment
  CAS-BOT-BC466144  Pyrola picta W. R. Dudley 1899-8-22 s.n. Siskiyou Craggy Peak in Shasta Fir Belt Comment
  CAS-BOT-BC466152  Pyrola picta Wm. Bridge Cooke 1938-8-5 11456 Siskiyou Sisson Southern Trail, Mount Shasta [one specimen observed at 9000'] 1828 Comment
  SJSU6519  Pyrola picta R. W. Trivelpiece 1972-6-28 142 Siskiyou Red Hill, 10 mi W of Klamath R, c. 15 mi SW of Happy Camp 1645 Comment
  CAS-BOT-BC45747  Quercus Doris K. Kildale 1927-11-20 s.n. Siskiyou Klamath River at Hornbrook Comment
  HSC18864  Quercus chrysolepis G. L. Clifton, Griswold 1979-6-26 5965 Siskiyou Near Merrill Creek 351 Comment
  UC1409456  Quercus chrysolepis Frederick W. Oettinger 1969-8-16 1399 Siskiyou sw of Wiregrass Meadow (below English Lake, w Siskiyou County); Salmon Mountains, Marble Mountain Wilderness Area 1676 Comment
  UC375252  Quercus chrysolepis Geo. D. Butler 1908-11-1 548 Siskiyou Kidder Creek Comment
  CAS-BOT-BC62765  Quercus garryana var. breweri Marion Ownbey; Fred G. Meyer 1940-7-8 2229 Siskiyou summit of Siskiyou Mountains, 21 miles north of Happy Camp Comment
  RSA237383  Quercus garryana var. breweri Frederick W. Oettinger 1968-9-8 792 Siskiyou 0.1 mi due north of English Lake outlet. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1768 Comment
  RSA23946  Quercus garryana var. breweri O. V. Matthews 1939-7-3 20 Siskiyou Maybe 1500 yards southwest of Sullivan Mine. Cook-Green Region W side of creek, maybe 3 miles by trail south of Blue Ledge Mine. 1067 Comment
  SD75846  Quercus garryana var. breweri Darley F. Howe 1969-9-12 Siskiyou Just south of Little Grayback, Siskiyou Mountains. 1524 Comment
  CAS-BOT-BC105476  Quercus kelloggii H. A. Thomas; J. H. Thomas 1954-7-22 4453 Siskiyou Salmon - Trinity Mts. About 6 mi SE of Cecilville. Between Rush and Big Bend Creeks, 0.25 - 0.5 miles N of S Fork of 975 Comment
  POM166638  Quercus kelloggii E. B. Copeland 1903-7-14 3521 Siskiyou Klamathon. Comment
  SFV5163  Quercus lobata B. C. Templeton 1960-6-21 8533 Siskiyou Between the agricultural Experiment Station and the California state line._x000B_Grassy hillside. Comment
  CAS-BOT-BC104337  Quercus sadleriana Edward Lee 1934-8-13 1067 Siskiyou Happy Camp to Waldo (Oregon) road, watershed of West Branch of Indian Creek, Klamath National Forest 1371 Comment
  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
  OBI40303  Quercus sadleriana John Thomas Howell, Gordon H. True 1972-6-8 s.n. Siskiyou S of summit on road from Takilmato Happy Camp 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
  SDSU6985  Quercus sadleriana D. F. Howe 1969-9-12 4676 Siskiyou Just south of Little Grayback. 1524 Comment
  SFV17814  Quercus sadleriana J. M. Tucker 1972-8-8 4247 B Siskiyou Marble Mountains Marble Mountains. Trail from Whiskey Camp to Elk Peak, about 2.5 miles west-southwest of Marble Valley Guard Station. 1829 Comment
  UC552335  Quercus sadleriana Rimo Bacigalupi 1935-10-21 2369 Siskiyou summit of road from Waldo, Oregon to Happy Camp (Del Norte-Siskiyou County line); Siskiyou Mountains Comment
  UCD47217  Quercus sadleriana D. Sanchez-Mata 1992-11-1 s.n. Siskiyou Klamath National Forest. Happy Camp-O' Brien. Indian Creek Road. Jefferson State Scenic Byway. 1470 Comment
  UCD47249  Quercus sadleriana P. C. Everett; E. K. Balls 1954-10-13 20292 Siskiyou Indian Creek rd. to Obrien, 20 1/2 mi. n.w. from Hwy 96 at Happy Camp, Siskiyou County. 1524 Comment
  UCD47259  Quercus sadleriana John M. Tucker 1972-8-8 4247 A Siskiyou (Q. garryana Hook. var. breweri (Engelm.) Jepson). California, Siskiyou Co.; Marble Mountains, trail from Whiskey Camp to Elk Peak, ca. 2.5 mi. west-southwest of Marble Valley Guard Station (extreme southeast corner of Section 20, R.11W., T.42N. 1828 Comment
  UCD47262  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
  UCD47274  Quercus sadleriana Dean W. Taylor 1972-7-1 s.n. Siskiyou (Q. garryana Hook. var. breweri (Engelm.) Jepson). California, Siskiyou Co.; 0.5 mi. east of Cook and Green Pass, north of Seiad Valley, T. 47N, R11W, Sect. 9, Seiad Valley Quadrangle; 1463 Comment
  UCSB25038  Quercus sadleriana Keefe, Joseph 1967-7-11 Siskiyou 0.5 mile on trail east of Cook and Green Pass, north of Seiad Valley 1676 Comment
  CAS-BOT-BC104634  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
  CDA22070  Quercus vacciniifolia T. C. Fuller, Don Shaw 1974-9-24 20040 Siskiyou Pacific Crest Trail, summit of the Siskiyou Mountains, east of White Mountain. 0 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
  UC1040687  Quercus vacciniifolia Beecher Crampton 1956-8-21 3847 Siskiyou just above junction of the North Fork with the South and Middle Fork; Canyon of the Sacramento River 1066 Comment
  CAS-BOT-BC379472  Ranunculus alismifolius Dorothy Parker 1946-6-12 136 -A Siskiyou marshy soil along the edges of Middle Boulder Lake 488 Comment
  POM99251  Ranunculus hebecarpus Geo. D. Butler 1909-5-2 s.n. Siskiyou Damp land, near Yreka Comment
  UC375276  Ranunculus occidentalis Geo. D. Butler 1909-3-14 567 Siskiyou near Yreka Comment
  UC618607  Ranunculus occidentalis W. Bridge Cooke 1938-7-1 11113 Siskiyou Bear Springs Mount Shasta (along road on bank of spring creek) Comment
  CHSC1488  Ranunculus occidentalis var. dissectus V. Holt 1943-8-7 Siskiyou Marble mountains. 1828 Comment
  HSC18127  Ranunculus occidentalis var. dissectus Geo. D. Butler 1909-4-25 683 Siskiyou Quartz Valley Comment
  POM269697  Ranunculus orthorhynchus Frank W. Gould 1940-5-14 1226 Siskiyou Bull Meadows 11 miles W of Hwy 97 on road to Montague 1677 Comment
  POM100137  Ranunculus suksdorfii Geo. D. Butler 1910-7-9 1714 Siskiyou Marble Mountain. 1829 Comment
  SEINET7545220  Rhamnus obtusissima E. B. Copeland 1903-1 Baker 3833 Siskiyou Sisson 1097 Comment
  CDA17132  Rhamnus purshiana G. F. Hrusa 2001-6-6 15846 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
  RSA7808  Rhamnus purshiana Doris K. Kildale 1928-8-20 6634 Siskiyou Trail betw English Lake and Finleys upper Camp trail to Marble Mt. Comment
  SJSU6535  Rhodiola integrifolia subsp. integrifolia R. W. Trivelpiece 1973-6-30 162 Siskiyou Big Duck L, Scott R drainage c. 7.5 mi W of Callahan 2042 Comment
  HSC4876  Rhododendron columbianum J. O. Sawyer 1968-7-23 585 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  RSA471030  Rhododendron occidentale var. paludosum Maude Minthorn 1922-06 s.n. Siskiyou Near California - Oregon Line Comment
  CAS-BOT-BC438008  Ribes W. R. Dudley 1893-6-26 s.n. Siskiyou Lava slopes on Mt. Shasta Comment
  UC165929  Ribes aureum Geo. D. Butler 1909-4-13 598 Siskiyou near Yreka Comment
  UC166113  Ribes aureum Geo. D. Butler 1910-6-12 1559 Siskiyou Yreka Creek Comment
  RSA0024868  Ribes cereum Louis C. Wheeler 1934-6-29 2825 Siskiyou Soda Creek. Sterling Mtn. Siskiyou Mtns. 1280 Comment
  UC144335  Ribes divaricatum A. A. Heller 1905-6-15 8042 Siskiyou Near Sisson Comment
  SEINET4853858  Ribes glanduliferum A. A. Heller 1905-6-9 8005 Siskiyou Yreka. Comment
  CAS-BOT-BC168873  Ribes inerme var. klamathense Geo. D. Butler 1910-5-18 1362 Siskiyou Yreka Creek Comment
  CAS-BOT-BC173284  Ribes lacustre John Thomas Howell 1937-7-25 13459 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC173294  Ribes lacustre Gilbert Muth 1966-7-29 458 Siskiyou Marble Valley, by waterfall, Marble Mts. 1795 Comment
  JEPS80601  Ribes lacustre Gilbert Muth 1966-7-29 458 Siskiyou Marble Valley Marble Mt. Wilderness Area 1795 Comment
  UC165924  Ribes lacustre Geo. D. Butler 1908-8-8 263 Siskiyou Marble Valley Comment
  UC1190176  Ribes lobbii Ira L. Wiggins 1955-7-22 13460 Siskiyou ridge w China Creek (s side of river); S Fork of Salmon River 960 Comment
  RSA0021628  Ribes lobbii J. P. Smith 1974-5-25 7443 Siskiyou Near junction of Road 8 and French Creek Road. 1280 Comment
  SEINET13942602 Image available Ribes lobbii James Payne Smith Jr 1977-1 9072 Siskiyou The road leading through International Paper property to the Duck Lakes trailheads. T40N, R9@, Sec 7. Elev 5000 ft 1524 Comment
  CAS-BOT-BC212483  Ribes marshallii Gilbert Muth 1966-7-8 360 Siskiyou Marble Valley, Marble Mts. 1792 Comment
  CAS-BOT-BC219268  Ribes nevadense A. A. Heller 1905-6-16 8047 Siskiyou Sisson Comment
  CAS-BOT-BC219274  Ribes nevadense A. A. Heller 1905-6-5 7967 Siskiyou Near Shasta Springs Comment
  SEINET3151816  Ribes nevadense G. D. Butler 1910-7-12 1759 Siskiyou Shackleford Creek 1372 Comment
  UC60939  Ribes nevadense Geo. B. Grant September, 1902 5227 Siskiyou Shasta Springs Mount Shasta 609 Comment
  UC618600  Ribes nevadense W. Bridge Cooke 1938-6-17 11006 Siskiyou Sisson Southern Trail Mount Shasta Comment
  RSA0024600  Ribes roezlii var. cruentum Geo. D. Butler 1910-6-7 1535 Siskiyou Oro Fino. Comment
  UC570965  Ribes sanguineum Dorothy Tebbe 1929-6-7 128 Siskiyou Mount Eddy Comment
  CDA25583  Ribes sanguineum var. sanguineum T. C. Fuller 1958-6-18 1790 Siskiyou Summit of Siskiyou Mountains along road between Cave Junction & Happy Camp. 0 Comment
  HSC65618  Ribes sanguineum var. sanguineum J. P. Smith, Steve Selva 1970-6-16 4078 Siskiyou 8 mi. W of Etna on road to Sawyers Bar. 1372 Comment
  HSC100037  Ribes velutinum J. P. Smith, & J. O. Sawyer 2010-5-6 12823 Siskiyou Along Rd. 92K02, E of Copco. 778 Comment
  CAS-BOT-BC362933  Rigiopappus leptocladus John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53423 Siskiyou East side of Scott Valley, 10 miles south of Fort Jones on road to Callahan 853 Comment
  UC922467  Romanzoffia sitchensis Annie M. Alexander and Louise Kellogg 1949-7-28 5880 Siskiyou Marble Mountains, Sky High Valley Sky High Valley; Marble Mountains, Sky High Valley 1767 Comment
  CDA23021  Rorippa columbiae F. D. Horn, M. Coll. 1977-7-28 s.n. Siskiyou Wildlife Refuge, Tulelake. 0 Comment
  JEPS80504  Rorippa curvisiliqua Gilbert Muth 1966-7-19 423 Siskiyou Marble Mt. Wilderness Area 1798 Comment
  CAS-BOT-BC74660  Rorippa curvisiliqua Gilbert Muth 1966-7-19 423 Siskiyou Marble Mountains. Horse pasture above camp. 1798 Comment
  HSC29185  Rorippa curvisiliqua Frederick W. Oettinger 1969-8-18 1416 Siskiyou Marble Mtn. Wilderness Area, W side of Horse Range Lake 1820 Comment
  UC165303  Rorippa nasturtium-aquaticum Geo. D. Butler 1909-6-5 1056 Siskiyou near Yreka; near Yreka Comment
  UC1871388  Rosa Barbara Ertter 2006-7-30 18747 a Siskiyou E edge of Shasta Valley ca 15 air mi E of Yreka, Little Shasta River crossing on Harry Cash Road. Comment
  UCR70838  Rosa nutkana L. C. Wheeler 1934-10-27 3349 Siskiyou Siskiyou Mtns., Shasta River 1 mi. below Yreka Creek 732 Comment
  UC1871380  Rosa nutkana subsp. macdougalii Barbara Ertter 2006-7-30 18739 a Siskiyou Butte Valley 4 air mi due W of Macdoel, Meiss Lake Road at S entrance to Butte Valley Wildlife Area. 1298 Comment
  SBBG3080  Rosa pinetorum H. and M. Dearing 1939-6-30 3764 Siskiyou Callahan-Trinity Alps Rd 1524 Comment
  HSC27034  Rosa pisocarpa J. P. Smith, J. O. Sawyer 1972-9-14 5811 Siskiyou 3.6 mi. W of S.R. 3 on Rd. 8 1220 Comment
  HSC64755  Rosa pisocarpa J. P. Smith, Steve Selva 1970-7-17 4475 Siskiyou Below Kangaroo Lake. 1890 Comment
  RSA52431  Rosa pisocarpa Dorothy Parker 1948-8-19 s.n. Siskiyou Summit of Scott Mtn. 1583 Comment
  SEINET10628439 Image available Rosa pisocarpa Cyrus G. Pringle 1882-1 Pringle 14501 Siskiyou By streams. Comment
  NY415875  Rosa pringlei C. G. Pringle 1882-9-6 s.n. Siskiyou Comment
  RSA78995  Rubus discolor E. K. Balls, Percy C. Everett 1952-10-13 18183 Siskiyou Just above turn off to Deer Creek on road to Castle Lake from Mt. Shasta. 1037 Comment
  CAS-BOT-BC147140  Rubus glaucifolius Louis C. Wheeler 1934-8-31 3233 Siskiyou Bear Creek off West Fork Beaver Creek, Siskiyou Mts. 1767 Comment
  HSC48288  Rubus lasiococcus J. O. Sawyer, K. Stillman 1978-7-6 3297 Siskiyou Along Happy Camp - O'Brien Rd., above Louse Creek. Comment
  CAS-BOT-BC147323  Rubus parviflorus Doris K. Kildale 1928-7-2 5383 Siskiyou Salmon Summit via Ham Creek Trail 1981 Comment
  JEPS16949  Rudbeckia klamathensis Peter H. Raven 1956-9-5 10466 Siskiyou North Fork of the Sacramento River 1584 Comment
  HSC64442  Rumex acetosella J. P. Smith, Steve Selva 1970-6-15 3980 Siskiyou 1 mi. W of junction of Hwy. 3 and Rd. 8 leading to Sugar Creek 1159 Comment
  JEPS3040  Rumex occidentalis Willis L. Jepson Jul 24 1894-Aug 10 1894 14852 Siskiyou Sisson Upper Sacramento Region, Strawberry Valley Comment
  JEPS39939  Rumex occidentalis W. L. Jepson 1914-8-13 5799 Siskiyou Marshes at Sisson Sisson 1097 Comment
  CAS-BOT-BC445652  Sagittaria cuneata Calvin McMillan; Malcom A. Nobs 1949-6-17 799 Siskiyou Grass Lake, Highway 97 Comment
  UC482248  Salix Mrs. H. P. Bracelin 1931-6-19 422 Siskiyou ca. 16 km. n.w. of Shasta City (n.e. side Mt. Eddy, above Metcalf ranch house); Mt. Eddy 1500 Comment
  RSA201502  Salix eastwoodiae J. T. Howell 1939-8-7 15131 Siskiyou Marble Mountain: Sky High Valley. 1829 Comment
  RSA238026  Salix eastwoodiae Frederick W. Oettinger 1968-8-2 364 Siskiyou E outlet of Diamond Lake. The Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 2073 Comment
  UCSB10875  Salix lasiandra Bracelin, H. 1931-6-19 Siskiyou Northeast side of Mount Eddy, about 16 km. northwest of Shasta City 1425 Comment
  UC449838  Salix lasiandra subsp. lasiandra L. S. Smith 1931-6-1 20 Siskiyou near Mt. Shasta Mt. Shasta 1066 Comment
  CAS-BOT-BC125454  Salix lasiandra var. lasiandra Alice Eastwood July 17 1180 Siskiyou Sisson Comment
  CAS-BOT-BC125467  Salix lasiandra var. lasiandra W. R. Dudley 1899-8-8 s.n. Siskiyou Near Big Spring above Sisson Comment
  CAS-BOT-BC125466  Salix lasiandra var. lasiandra W. R. Dudley 1899-8-23 s.n. Siskiyou [Callahans] Callahan Comment
  CAS-BOT-BC107076  Salix lasiolepis Mrs. H. P. Bracelin 1936-5-12 845 Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  POM220466  Salix lasiolepis var. bigelovii H. P. Bracelin 1931-6-22 476 Siskiyou Pit River at Gibson flag station. 125 km N of Red Bluff. 450 Comment
  POM219898  Salix lucida subsp. lasiandra H. P. Bracelin 1931-6-19 429 Siskiyou N base of Mt Eddy. About 10 km NW of Shasta City. 1200 Comment
  RSA201420  Salix lucida subsp. lasiandra J. T. Howell 1939-8-9 15206 Siskiyou Sky High Valley, Marble Mountains. 1829 Comment
  RSA5700  Salix lucida subsp. lasiandra H. P. Bracelin 1931-6-19 411 Siskiyou NE side of Mt Eddy. About 16 km NW of Shasta City. Above Metcalf ranch house. 1425 Comment
  CAS-BOT-BC125683  Salix melanopsis L. E. Smith 1914-7-6 751 Siskiyou Cantara Comment
  CAS-BOT-BC125693  Salix melanopsis Mrs. H. P. Bracelin 1931-6-22 475 Siskiyou Flume Creek, tributary of Pit River, near highway at Flume Creek Camp 555 Comment
  UC449844  Salix melanopsis L. S. Smith 1931-6-1 14 Siskiyou near Mt. Shasta Mt. Shasta 1066 Comment
  CAS-BOT-BC126153  Salix scouleriana L. E. Smith 1913-4-2 620 Siskiyou Sisson Comment
  CAS-BOT-BC126162  Salix scouleriana Mrs. H. P. Bracelin 1936-9-3 858 Siskiyou 11 miles N.W. from Mt. Shasta City, and about 2 miles E. of Burney Mill, N. base of Mt. Eddy 1127 Comment
  CAS-BOT-BC126165  Salix scouleriana Mrs. H. P. Bracelin 1931-6-20 442 Siskiyou East side of Mount Eddy, about 17 km. northwest of Shasta City; in Wagon Creek Canyon, about 1 km. up from Metcalf ranch house 1170 Comment
  CAS-BOT-BC126160  Salix scouleriana L. E. Smith 1914-3-17 574 Siskiyou Sisson, Junction of S.P. and McCloud R.R. Comment
  CAS-BOT-BC225204  Salvia sonomensis A. A. Heller 1905-6-16 8044 Siskiyou Back of Sisson on the Mt. Shasta Trail Comment
  RSA186318  Sambucus caerulea Gilbert Muth 1966-10-16 s.n. Siskiyou Marble Mountains 1793 Comment
  CAS-BOT-BC238886  Sambucus nigra subsp. caerulea John Thomas Howell 1939-8-5 15072 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC238887  Sambucus nigra subsp. caerulea Doris K. Kildale 1928-8-18 6446 Siskiyou Near head of North Fork of Salmon River at Finley's Upper Camp Comment
  UC630398  Sambucus racemosa var. racemosa Annetta Carter 1939-8-21 1479 Siskiyou Taylor Lake Salmon Mountains (se end, 12 mi sw of Etna) 2042 Comment
  JEPS98657  Sanicula bipinnatifida O. Gomez and P. Vargas 1996-5-26 38 PV96 Siskiyou ca. 4 mi N of the town by Seiad Creek road Seiad Valley Comment
  JEPS1000  Sanicula graveolens W. L. Jepson July 17 - 22, 1902 2068 Siskiyou Devil's Backbone, Western Siskiyou County Devil's Backbone 1828 Comment
  UC1619914  Sanicula graveolens Barbara Ertter 1990-7-14 9331 Siskiyou ca. 4 airmiles w. Mt. Shasta City (Wagon Creek on e. side of Mt. Eddy, s. side of creek); Mt. Eddy, Wagon Creek 1889 Comment
  CHSC33037  Saponaria officinalis J. P. Smith; Steve Selva 1970-7-16 4404 Siskiyou 1 mile east of O'Neill Campground; sandbar and roadside. 579 Comment
  UCR78456  Saponaria officinalis Scott D. White, Julie Greene 1993-8-24 1838 Siskiyou Klamath River, 'Presidio Bar' (off Hwy 96) 152 Comment
  UC63944  Sarcodes sanguinea Harley P. Chandler June, 1901 1574 Siskiyou ridges & meadows near Marble Mt.; North Coast Ranges 2133 Comment
  SEINET10871268  Saxifraga bryophora Mary Susan Taylor 1980-7-8 Taylor 3095 Siskiyou T39N R5W south center sec 19, Dunsmuir quad; Shasta-Trinity Natl Forest; S end of Little Castle Lake, in steep granitic cliffs. 1768 Comment
  JEPS25649  Saxifraga odontoloma Rimo Bacigalupi with Mr. and Mrs. Van Deventer 1959-7-9 7289 Siskiyou beside rill at Poker Flat 1536 Comment
  JEPS47548  Saxifraga oregana W. L. Jepson July 1894 13476 Siskiyou Sisson Comment
  RSA211107  Saxifraga tolmiei William J. Ferlatte 1966-8-5 356 Siskiyou Caribou Mountain. 2470 Comment
  CAS-BOT-BC445881  Saxifragopsis fragarioides C. L. Hitchcock; J. S. Martin 1939-7-9 5316 a Siskiyou Between King's Castle and Black Mt., west side of ridge. 1828 Comment
  HSC19458  Saxifragopsis fragarioides J. O. Sawyer 1969-8-2 1714 Siskiyou Summit W of Little Duck Lake 2409 Comment
  HSC55711  Saxifragopsis fragarioides G. L. Clifton, Griswold 1979-7-26 10113 Siskiyou Near Salmon Mtn., close to the town of Forks of Salmon 2104 Comment
  CAS-BOT-BC283652  Schedonorus pratensis John Thomas Howell 1939-8-9 15200 Siskiyou Sky High Valley, Marble Mountains 1828 Comment
  CAS-BOT-BC283655  Schedonorus pratensis A. A. Heller 1915-8-24 12214 Siskiyou Metcalf's ranch, NE base of Mount Eddy 1188 Comment
  HSC74816  Schoenoplectus tabernaemontani J. P. Smith 1978-7-1 9996 Siskiyou Klamath National Forest, O'Neill Creek Campground, Klamath River 488 Comment
  CAS-BOT-BC30750  Scirpus congdonii J. H. Thomas; H. A. Thomas 1954-7-24 4489 Siskiyou Salmon-Trinity Mts. Vicinity of Rush Lake and Rush Creek Meadow. About 9 miles E of Cecilville. 1981 Comment
  HSC77408  Scirpus congdonii L. P. Janeway 1983-9-11 674 Siskiyou Poker Flat 1524 Comment
  HSC30713  Scirpus congdonii Frederick W. Oettinger, R. F. Thorne 1969-8-7 1271 Siskiyou Marble Mtn. Wilderness Area, SE side of English Lake 1753 Comment
  HSC89803  Scirpus congdonii D. K. Imper 1987-7-21 Siskiyou 8 mi. E of Somes Bar 1372 Comment
  RSA602832  Sclerochloa dura L. C. Wheeler 1935-7-13 3665 Siskiyou Ager. 793 Comment
  UC1174939  Scrophularia californica P. C. Everett and E. K. Balls 1959-10-23 23939 Siskiyou 4 mi sw Etna (on rd from Callaban to Somesbar); Salmon Mts 1676 Comment
  JEPS11421  Scrophularia lanceolata Geo. D. Butler 1908-7-9 524 Siskiyou near Yreka (McNulty's Field); McNulty's Field Comment
  UC25793  Scutellaria antirrhinoides T. H. Gilbert Jun 15 1899-Jul 15 1899 Siskiyou Scott River Valley Comment
  SEINET8021125  Scutellaria antirrhinoides D. Parker, W. Roderick 1967-7-25 s.n. Siskiyou Scott Mountain, Cabin Meadow. 1829 Comment
  UC1713597  Scutellaria antirrhinoides Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6867 Siskiyou about 3 mi below (n of) Scott Mountain (road summit, on road to Callahan) 1219 Comment
  SEINET13709498  Scutellaria galericulata Lowell William Ahart, Lowell William Ahart 1998-1 9350 Siskiyou NE of Weed and S of Macdoel in An Area of Marshes and Wet Meadows along Old State Hwy on The W Side of Bray (T44N, R1W, sec 20, SE 1/4) 1417 Comment
  SFV5173  Scutellaria siphocampyloides B. C. Templeton 1960-6-21 8539 Siskiyou Klamath Mountains Between Callahan and the summit of Scott Mountains. Mountain slopes. Comment
  CHSC118104  Sedum kiersteadiae Peter Zika; Barbara Wilson 2011-7-31 25677 Siskiyou 0.9 mile by roadd east of summit on Highway 3 at Scott Mountain; UTM zone 10, 525847 east, 4568011 north +- 30 feet. 1547 Comment
  HSC101238  Sedum laxum subsp. heckneri P. F. Zika 2011-7-19 25640 Siskiyou W side of FS Rd. 1040, 2.9 road miles above junction with FS Rd. 10, above Middle Fork Applegate River, 1 air mile NW of Abney Butte, Siskiyou Mountains 675 Comment
  RSA0035472  Sedum laxum subsp. heckneri Peter F. Zika 2011-7-19 25641 Siskiyou FS Road 1040, 3.7-3.8 road miles (5.9 km) above junction with FS Road 10 at mouth of Carberry Creek, along Middle Fork Applegate River, 1 air mile NW of Abney Butte, Siskiyou Mountains, Klamath Range. 610 Comment
  SD243329  Sedum laxum subsp. heckneri Peter F. Zika 2011-7-19 25640 Siskiyou Klamath Range. W side of FS Road 1040, 2.9 road miles above junction with FS 10, above Middle Fork Applegate River, 1 air mile NW of Abney Butte, Siskiyou Mountains. 675 Comment
  UCR246362  Sedum laxum subsp. heckneri Peter F. Zika 2011-7-19 25640 Siskiyou Klamath Range (KR), W side of Forest Service Road 1040, 2.9 road miles above junction with FS Road 10; above Middle Fork Applegate River, 1 air mile NW of Abney Butte, Siskiyou Mountains 675 Comment
  CAS-BOT-BC64648  Sedum obtusatum subsp. boreale Alice Eastwood 1923-5-23 s.n. Siskiyou Cantara, S.P.R.R. Comment
  UC637043  Sedum obtusatum subsp. boreale Edward Lee 1934-8-14 1105 Siskiyou Little Grayback Little Grayback (rocky n-facing slope at summit, Siskiyou-Del Norte County Line) 1868 Comment
  UC772714  Sedum obtusatum subsp. boreale Robert T. Clausen, W. B. Cooke, and Harold Trapido 1940-7-26 4952 Siskiyou e side Mud Creek Canyon; Mt. Shasta, Sacramento River Basin 1706 Comment
  UC831036  Sedum obtusatum subsp. boreale W. B. Cooke 1942-7-2 16366 Siskiyou near base Mud Creek Canyon; Mount Shasta, near base Mud Creek Canyon 1676 Comment
  UCR246356  Sedum obtusatum subsp. retusum Peter F. Zika 2011-7-19 25647 Siskiyou Klamath Range (KR), near Pacific Crest Trail, 1 air mile WNW of Copper Butte, Siskiyou Mountains 1610 Comment
  HSC77279  Sedum obtusatum subsp. retusum L. P. Janeway 1983-7-3 374 Siskiyou NW of Poker Flat 1585 Comment
  CAS-BOT-BC64645  Sedum oregonense Alice Eastwood 1921-7-24 10727 Siskiyou Castle Lake Comment
  CAS-BOT-BC64649  Sedum oregonense John Thomas Howell 1939-8-3 14955 Siskiyou Spirit Lake, Marble Mts. Comment
  HSC42918  Sedum radiatum Ken Stillman 1976-8-31 459 Siskiyou E and N sides of Williams Point 366 Comment
  CAS-BOT-BC59093  Sedum spathulifolium A. A. Heller 1905-6-1 7932 Siskiyou Between Dunsmuir and Upper Soda Spring. Comment
  POM210934  Selaginella wallacei Louis Cutter Wheeler 1934-8-15 3158 Siskiyou East Fork Horse Creek, Siskiyou Mtns. (Mt Diablo Mer) 1524 Comment
  HSC67813  Senecio aronicoides J. O. Sawyer, J. Cole 1980-7-21 3820 Siskiyou NW of Little Mt. Hoffman 1982 Comment
  JEPS82268  Senecio fremontii var. fremontii Roger Raiche 1983-8-13 30600 Siskiyou near summit of Mt. Eddy; Mt. Eddy 2743 Comment
  UC1040774  Senecio hydrophilus Thomas C. Horn 1956-8-6 Siskiyou w side Lower Klamath Lake; w side Lower Klamath Lake Comment
  CHSC96023  Senecio integerrimus var. exaltatus L. P. Janeway 2006-7-4 8797 Siskiyou Klamath Ranges. Scott Mountains; opening on spur ridge 1.9 km west-southwest of Scott Mountain Summit. 1838 Comment
  RSA0124984  Senecio integerrimus var. exaltatus Peter H. Raven 1962-5-30 17899 Siskiyou U.S. Highway 97 12.3 miles south of Macdoel. Comment
  HSC2276  Senecio integerrimus var. ochroleucus Geo. D. Butler 1910-5-1 1263 Siskiyou Humbug Mtn. Comment
  CDA7665  Senecio sylvaticus D. Osterhandt, Don Shaw 1979-8-17 Siskiyou Near Forks of Salmon. 0 Comment
  HSC96289  Senecio triangularis Gordon Leppig 1998-8-14 1010 Siskiyou Klamath National Forest, Russian Wilderness, Little Duck Lake Fen, cirque W of Little Duck Lake 2200 Comment
  UC1483546  Senecio triangularis Maralyn A. Renner 1980-8-21 2569 Siskiyou Kidd Creek Coffee Creek Quad., , Kidd Creek (Klamath National Forest) 2042 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
  UC60959  Sericocarpus oregonensis subsp. oregonensis Geo. B. Grant 1902-9-1 5084 Siskiyou Sisson Mount Shasta 914 Comment
  UC34808  Sericocarpus oregonensis subsp. oregonensis Brewer 1432 Siskiyou Strawberry Hill Mt. Shasta 1066 Comment
  CAS-BOT-BC213141  Sidalcea Doris K. Kildale 1928-7-25 5878 Siskiyou Klamath River near Hamburg 457 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
  HSC30765  Sidalcea malviflora Arthur R. Kruckeberg 1972-6-10 6219 Siskiyou 3-4 mi. S of Cook and Green Pass Comment
  UCR21114  Sidalcea malviflora subsp. celata T. W. Fisher, Earl Oatman, R. E. Orth 1974-6-26 s.n. Siskiyou McIntosh Ranch on the McCloud River near Bartle 1220 Comment
  CAS-BOT-BC205785  Sidalcea oregana David D. Keck 1938-8-6 4815 Siskiyou At Del NOrte Co. line, Poker Flat, summit of Siskiyou Mts., 4 mi. S. of Oregon line, on road from Waldo to Happy Camp 1555 Comment
  CDA36496  Sidalcea oregana J. R. Grisham 1961-6-14 Siskiyou Yreka 0 Comment
  UC108898  Sidalcea oregana subsp. spicata T. S. Brandegee July 1887 Siskiyou Sissons Comment
  RSA68870  Sidalcea oregana subsp. spicata A. E. Culbertson 1943-7-1 86 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
  CDA24093  Silene antirrhina Vernon H. Oswald & Lowell Ahart 1998-6-11 9180 Siskiyou Shasta National Forest plantation on the west side of Hwy. 97 2.2 miles northeast of Lake Shastina-Big Springs Rd., northeast of Weed. Comment
  CAS-BOT-BC181202  Silene campanulata subsp. glandulosa John Thomas Howell 1939-8-3 14972 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC181200  Silene campanulata subsp. glandulosa Thomas W. Nelson; Jane P. Nelson 1980-7-21 6160 Siskiyou Along Forest Service Road 40N08 ca. .6 miles from junction with State Route 3. 1645 Comment
  RSA11897  Silene douglasii Elmer I. Applegate 1923-8-18 3876 Siskiyou Redshale Mountain, E side of Medicine Lake. 2439 Comment
Read comments Dec 30 2016
  CAS-BOT-BC94553  Silene douglasii R. C. Wenk 2006-9-2 558 Siskiyou trail to Caribou Lakes from Big Flat Meadow, in coniferous forest by side of trail, above Big Conrad Gulch 1950 Comment
  RSA211453  Silene douglasii William J. Ferlatte 1967-8-21 1069 Siskiyou Sawtooth Ridge between Caribou Basin and Little South Fork Lake. 2287 Comment
  CAS-BOT-BC388958  Silene grayi John Thomas Howell 1939-8-8 15168 Siskiyou Black Mt., Marble Mts. Comment
  HSC41814  Silene grayi Robert Wharton 1977-8-20 Siskiyou Along E slope of Mt. Shasta at Wintun Glacier along ridge between Ash & Brewer Creeks 3354 Comment
  CAS-BOT-BC181251  Silene hookeri subsp. hookeri Clarence R. Quick 1959-6-19 59 -08 Siskiyou 3 miles south of Four Corners on ridge south-east of Seiad Valley Comment
  CAS-BOT-BC389527  Silene menziesii Geo. D. Butler 1909-6-10 967 Siskiyou Near Yreka Comment
  POM151411  Silene noctiflora G. R s.n. Siskiyou Auf Aeckern bei Dresden Comment
  RSA715632  Sisymbrium altissimum L. Ahart, John Dittes 2005-6-9 12020 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-BC5742  Sisyrinchium greenei H. E. Brown 1897-6-11 351 Siskiyou North side of Mt. Shasta 2743 Comment
  UC61187  Smilacina racemosa W. A. Setchell, C. C. Dobie 1902-7-18 Siskiyou Sisson Mount Shasta Comment
  UC666974  Smilacina racemosa Joseph P. Tracy 1935-8-1 14408 Siskiyou on ridge between Salmon River and New River (at extreme head of creek); Rock Lake, Knownothing Creek 1889 Comment
  JEPS117251  Solanum dulcamara Lowell Ahart, John Dittes 2010-7-30 16939 Siskiyou Along the south edge of the Shasta River, about 100 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
  RSA715956  Solanum dulcamara L. Ahart, John Dittes 2005-6-10 12078 Siskiyou On the N side of the Shasta River, about 60 yards NW of the pump house along the Shasta River, about 1.9 miles (air) south of Hwy 99/97 Cutoff, about 6 miles (air) ESE of Grenada. 777 Comment
  CHSC71606  Solanum parishii Vernon H. Oswald; Lowell Ahart 1998-8-3 9458 Siskiyou Kangaroo Lake Rd. (USFS 41N08) 2.6 mi southeast of Gazelle-Callahan Rd. At roadside. 1426 Comment
  POM39717  Solidago canadensis subsp. elongata Geo D. Butler 1910-7-20 1732 Siskiyou Goosenest foothills 1524 Comment
  CAS-BOT-BC365551  Solidago elongata K. T. Stillman 1976-9-9 487 Siskiyou Marble Mountain Wilderness Area. Trail from jump off to Paradise Lake 1950 Comment
  CAS-BOT-BC365581  Solidago elongata Louis C. Wheeler 1934-9-2 3240 Siskiyou Klamath National Forest. Miller Glade 1828 Comment
  HSC46879  Solidago elongata William J. Ferlatte 1976-9-22 1863 Siskiyou Above Yellow Rose Mine Trail on W side of Grouse Ridge ca. 1 mi. from Big Flat 1770 Comment
  UC1045299  Solidago elongata W. Bridge Cooke 1940-7-5 15282 Siskiyou along a creek Wagon Camp meadows (Mount Shasta); Mount Shasta Comment
  UC166190  Solidago elongata Geo. D. Butler 1908-8-10 310 Siskiyou Henry Shackleford Creek Comment
  UC36249  Solidago elongata Edward L. Greene 1876-8-8 971 Siskiyou near Yreka Comment
  CDA7674  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-BC374522  Sonchus asper R. E. Frenkel 1964-7-13 675 Siskiyou Near Mount Shasta on Everitt Memorial Highway 1280 Comment
  RSA237830  Sorbus scopulina Frederick W. Oettinger 1968-9-8 782 Siskiyou E side of English Lake. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mtn Wilderness Area. 1814 Comment
  UC466712  Sorbus scopulina Annie M. Alexander and Louise Kellogg 1911-8-23 341 Siskiyou Castle Lake 1656 Comment
  UC1409332  Sorbus scopulina var. scopulina Frederick W. Oettinger 1968-9-8 782 Siskiyou e side English Lake; Salmon Mountains, Marble Mountain Wilderness Area 1813 Comment
  RSA238580  Sparganium angustifolium Frederick W. Oettinger 1968-8-13 500 Siskiyou South inlet area of Hancock Lake, the high lake basins in the vicinity of English Peak Marble Mountain Wilderness Area; Salmon Mountains. 1936 Comment
  UC1608324  Spiraea densiflora J. Kierstead 1990-8-9 90 -129 Siskiyou s side Mt. Eddy (Fawn Creek meadow, below end of Forest Service Rd 40N42); Shasta-Trinity National Forests, Mt. Shasta Ranger Dist. 1828 Comment
  SEINET3157632  Spiraea discolor G. D. Butler 1910-7-6 1645 Siskiyou Shackleford Creek 914 Comment
  HSC68  Spiraea douglasii William J. Ferlatte 1966-8-18 422 Siskiyou Willow Creek Trail. Comment
  RSA211181  Spiraea douglasii William J. Ferlatte 1966-8-2 229 Siskiyou Between campground and S fork of the Salmon River. Comment
  RSA304937  Spiraea douglasii James R. Shevock 1972-7-26 2226 -A Siskiyou Along the Klamath River. 518 Comment
  HSC18898  Spiraea splendens var. splendens J. O. Sawyer 1968-7-23 596 Siskiyou Along trail from Brown's Valley to Caribou Basin including areas around Snowslide Lake and Caribou Lake. 1829 Comment
  RSA237644  Spiranthes romanzoffiana Frederick W. Oettinger, Robert F. Thorne 1969-8-8 1303 Siskiyou Sundew Bog near English Lake. Salmon Mtns; High Lake Basins in the vicinity of English Peak; Marble Mountain Wilderness Area. 1829 Comment
  HSC102661  Sporobolus cryptandrus J. P. Smith 2009-6-1 12619 Siskiyou Gazelle to Callahan Road. Comment
  HSC27218  Stachys mexicana J. P. Smith, J. O. Sawyer 1971-9-17 4790 Siskiyou Horse Range Creek drainage along road. Comment
  UC524160  Stellaria longipes var. longipes Elmer I. Applegate 1923-8-17 3839 Siskiyou Medicine Lake 1981 Comment
  RSA69524  Stenanthium occidentale J. T. Howell 1939-8-5 15070 Siskiyou Spirit Lake, Marble Mtns 1829 Comment
  JEPS36903  Stephanomeria virgata subsp. pleurocarpa Geo. D. Butler 1908-8-30 138 Siskiyou near Fort Jones Comment
  HSC19242  Stipa occidentalis var. californica J. O. Sawyer 1969-7-19 1427 Siskiyou SW facing slope above Deacon Lee Trail 2180 Comment
  HSC76767  Stipa occidentalis var. californica K. T. Stillman 1976-8-7 378 Siskiyou Marble Mtn. Wilderness Area, Box Camp Mtn. 2195 Comment
  SD98975  Stipa thurberiana Darley F. Howe 1977-7-5 4996 Siskiyou 15 miles southeast of Granada. 1219 Comment
  CAS-BOT-BC87850  Streptanthus tortuosus A. A. Heller 1916-6-23 12433 Siskiyou Near Black Butte north of Sisson. 1127 Comment
  CAS-BOT-BC87873  Streptanthus tortuosus C. L. Hitchcock; J. P. Martin 1939-7-7 5281 Siskiyou On side of Sanger Peak. 1645 Comment
  POM203465  Streptanthus tortuosus Alice Eastwood, J. T. Howell 1934-4-20 1773 Siskiyou Junction of Klamath and Shasta Rivers. Comment
  UC1586880  Streptanthus tortuosus Juha Pykala and D. H. Norris 1987-7-7 2404 Siskiyou Jot Dean Ice Cave 1700 Comment
  POM95329  Streptanthus tortuosus Geo. D. Butler 1910-4-22 1221 Siskiyou Kidder Creek Comment
  UC618767  Streptanthus tortuosus var. orbiculatus W. Bridge Cooke 1938-8-18 11497 Siskiyou Horse Camp Slopes Mt. Shasta Comment
  UC796666  Streptopus amplexifolius var. americanus Roxana S. Ferris and Laura Lorraine Jun 12 1948-Jun 16 1948 11749 Siskiyou w of Callahan (French Creek Logging Road) 1066 Comment
  HSC620  Suksdorfia ranunculifolia William J. Ferlatte 1966-7-7 200 Siskiyou Caribou Basin 1982 Comment
  HSC59010  Swertia albicaulis var. nitida Marvin Butler 1971-8-11 301 Siskiyou Near Copper Camp close to the town of Cave Junction 1372 Comment
  CAS-BOT-BC245849  Symphoricarpos Doris K. Kildale 1928-7-4 5523 Siskiyou Summit of divide between Salmon River and Scott Valley in Sawyers Bar-Etna Road Comment
  JEPS95607  Symphoricarpos albus var. laevigatus Vernon H. Oswald and L. Ahart 1994-8-10 6460 Siskiyou T40N R2E SW1/4 NW1/4 Sec. 18, 4460 ft, Yellow Pine Forest. FS 40N39 at Stillwater Meadows on Bartle Creek, ca. 0.5 mi W of Harris Spring Rd. (FS15), ca. 4 mi (air) NNE of Bartle 1359 Comment
  CAS-BOT-BC269627  Symphoricarpos albus var. laevigatus D. K. Noyes 1911-9-29 30 Siskiyou Klamath National Forest Comment
  HSC45886  Symphoricarpos albus var. laevigatus Laura Witherspoon 1978-8-17 93 Siskiyou Klamath National Forest, 0.3 mi. from Jct. with Springs School Rd. and Meiss Lake, Sams Neck Rd. 1354 Comment
  CAS-BOT-BC234780  Symphoricarpos mollis John Thomas Howell 1939-8-2 14925 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC234790  Symphoricarpos mollis A. A. Heller 1905-6-5 7985 Siskiyou Above Shasta Springs Comment
  HSC27962  Symphoricarpos mollis Carl W. Mize 1972-9-23 122 Siskiyou 610 Comment
  JEPS12675  Symphoricarpos mollis Geo. D. Butler 1909-6-22 947 Siskiyou Goosenest Mountain Comment
  HSC91427  Symphoricarpos rotundifolius var. rotundifolius Jennifer Whipple 1977-7-20 2009 Siskiyou Near Durney Lake. 2073 Comment
  CAS-BOT-BC97582  Symphyotrichum ascendens A. A. Heller 1914-8-26 11713 Siskiyou near Deetz Station near/opposite Black Butte 1158 Comment
  HSC58870  Symphyotrichum bracteolatum Marvin Butler 1971-8-11 308 Siskiyou Near Youngs Valley, close to the town of Cave Junction 1403 Comment
  UC60980  Symphyotrichum bracteolatum Geo. B. Grant 1902-9-1 5156 Siskiyou Mount Shasta 914 Comment
  HSC76971  Symphyotrichum foliaceum K. T. Stillman 1976-9-10 496 Siskiyou Marble Mountain Wilderness Area, across marble on E side of Black Mountain 2104 Comment
  UC60978  Symphyotrichum foliaceum Geo. B. Grant 1902-1 5186 Siskiyou Mt. Shasta 609 Comment
  HSC5081  Symphyotrichum foliaceum var. parryi Geo. D. Butler 1910-8-13 1830 Siskiyou Quartz Valley Comment
  HSC29225  Symphyotrichum hendersonii Frederick W. Oettinger 1968-9-10 815 Siskiyou NW of Horse Range Lake; Salmon Mtns, English Peak area 1822 Comment
  UC933469  Symphyotrichum hendersonii Annie M. Alexander 1948-9-9 5617 Siskiyou meadow at start of 2 mile trail to Taylor Lake from Cook & White Mine Taylor Lake; Siskyou Mountains 1584 Comment
  CAS-BOT-BC98432  Symphyotrichum spathulatum Gilbert J. Muth 1969-8-6 1230 Siskiyou Boulder Peak Ridge 2468 Comment
  UC179693  Symphyotrichum spathulatum A. A. Heller 1914-8-25 11713 Siskiyou near, (opposite Black Butte) Deetz station 1158 Comment
  UCD86126  Taeniatherum caput-medusae Beecher Crampton 1969-6-19 8472 Siskiyou 1 mile north of Edgewood. Comment
  JEPS82421  Taraxacum officinale Gilbert Muth 1966-8-1 484 Siskiyou Marble Valley horse pasture Marble Mountain Wilderness Area 1792 Comment
  UC1313006  Taxus brevifolia J. M. Tucker 1963-7-5 3706 Siskiyou ca 7 mi (airline) e Sawyer's Bar (lower Blake's Fork of South Russian Creek (a tributary of Salmon River)); Salmon Mountains, Salmon River, Blake's Fork of South Russia 1524 Comment
  UC719802  Taxus brevifolia R. McVaugh 1941-8-4 6233 Siskiyou n of Shasta Retreat (rocky banks of the Sacramento River); Sacramento River Comment
  HSC69272  Tellima grandiflora Maralyn A. Renner 1980-7-24 1995 Siskiyou Pacific Crest Trail above Lily Pad Lake. 1799 Comment
  UC858887  Tellima grandiflora John Thomas Howell 1939-8-3 14974 Siskiyou Spirit Lake; Marble Mts. 1828 Comment
  HSC77035  Thalictrum fendleri K. T. Stillman 1976-6-17 15 Siskiyou Marble Mountain Wilderness Area, head of Elk Valley 1768 Comment
  UCD116429  Thelypodium brachycarpum Dorothy Parker 1948-6-11 s.n. Siskiyou Yreka. Comment
  SD46554  Thelypodium flexuosum E. K. Balls, L. W. Lenz 1956-6-18 21721 Siskiyou 5.7 miles southeast of Gazelle, U. S. Highway 99, Yreka to Dunsmuir. 885 Comment
  CAS-BOT-BC88113  Thelypodium laciniatum L. E. Smith 1913-4-25 642 Siskiyou Yreka. Comment
  RSA66832  Thelypodium laciniatum F. W. Peirson 1923-7-19 3734 Siskiyou Laird s Landing. Comment
  UC165983  Thlaspi montanum var. montanum Geo. D. Butler 1910-6-4 1503 Siskiyou Shackleford Creek Comment
  POM43378  Tonella tenella Geo. D. Butler 1910-4-17 1193 Siskiyou Near Yreka. Comment
  CAS-BOT-BC169257  Toxicodendron diversilobum L. R. Abrams 1922-8-6 9900 Siskiyou Klamath River 6 mi. below Hornbrook C. Comment
  RSA82893  Tragopogon dubius J. M. Tucker 1950-7-24 1945 Siskiyou On outskirts of the town of Mt. Shasta. Comment
  RSA801990  Trientalis latifolia Leo Miller 1938-07 s.n. Siskiyou Siskiyou Mts. 915 Comment
  POM28069  Trifolium cyathiferum Geo. D. Butler 1910-6-3 1473 Siskiyou Quartz Valley. Comment
  POM312879  Trifolium cyathiferum H. L. Mason 1948-7-17 13604 Siskiyou Eastern Grass Lake, in forested hills Comment
  JEPS81659  Trifolium eriocephalum var. eriocephalum L. R. Heckard with L. Constance and R. Ornduff 1969-6-24 2295 Siskiyou 0.8 mi s Bray junction on U. S. 97 (Murphy Wells) 1493 Comment
  HSC77108  Trifolium howellii K. T. Stillman 1976-7-31 355 Siskiyou Marble Mountain Wilderness Area, Ridge N of Jump off, 1/2 mi. S of Paradise Lake Comment
  RSA184746  Trifolium howellii Gilbert Muth 1966-7-24 445 Siskiyou Marble Valley along creek, Marble Mountains. 1793 Comment
  JEPS65928  Trifolium hybridum Geo. D. Butler 1908-7-8 387 Siskiyou near Yreka (Butler's Ranch) Comment
  UC1409203  Trifolium hybridum Frederick W. Oettinger 1969-8-1 1130 Siskiyou near English Lake; Salmon Mtns, Marble Mtn Wilderness Area, English Peak vicini 1706 Comment
  UC375415  Trifolium hybridum Geo. D. Butler 1908-7-2 382 Siskiyou near Yreka Comment
  HSC71445  Trifolium hybridum J. P. Smith, Steve Selva 1970-8-9 4581 Siskiyou In potato fields W of Macdoel. Comment
  UCD111230  Trifolium hybridum L. Whitney 1934-6-10 s.n. Siskiyou location unknown. Comment
  HSC19000  Trifolium longipes J. O. Sawyer 1969-7-18 1389 Siskiyou Head of S Russian Creek 1829 Comment
  HSC44939  Trifolium longipes J. O. Sawyer 1978-6-20 3265 Siskiyou Marble Mtn. Wilderness Area, Hamilton Camp 1829 Comment
  HSC69012  Trifolium longipes Maralyn A. Renner 1980-7-24 2031 Siskiyou Lily Pad Lake 1768 Comment
  HSC30417  Trifolium longipes Frederick W. Oettinger 1968-8-17 553 Siskiyou Salmon Mountains: N to NW of Pine Lake 1860 Comment
  SEINET12147830  Trifolium longipes H. P. Chandler 1901-1 1580 Siskiyou North Coast Ranges,ridges and meadows near Marble Mt 1829 Comment
  UC1409229  Trifolium longipes var. hansenii Frederick W. Oettinger 1969-8-8 1298 Siskiyou near English Lake (vicinity of English Peak); Salmon Mtns, Marble Mtn Wilderness Area 1828 Comment
  UC584324  Trifolium longipes var. hansenii G. L. Stebbins Jr. and J. A. Jenkins 1937-7-19 2468 Siskiyou near Trumble Ranch (w side of Trinity River, along rd from Callahan to Carrville) 1066 Comment
  JEPS101830  Trifolium pratense Dean W. Taylor 1997-6-11 16050 Siskiyou Scott Valley, meadow along Clark Creek; ca. 2 miles west from Highway 3 and 2 mi S of Etna 975 Comment
  RSA145170  Trifolium productum Dorothy Parker 1959-7-5 734 Siskiyou Salmon Mountain 1677 Comment
  UC618760  Trifolium wormskioldii William Bridge Cooke 1938-6-29 11392 Siskiyou Bear Springs Mount Shasta 1524 Comment
Read comments Mar 31 2006
  JEPS47264  Trillium albidum Geo. D. Butler 1909-4-14 669 Siskiyou Humbug Comment
  HSC780  Trillium ovatum subsp. oettingeri William J. Ferlatte 1967-7-9 691 Siskiyou Kidd Creek Trail 1890 Comment
  CAS-BOT-BC200088  Trisetum canescens Gilbert Muth 1966-7-22 433 Siskiyou Meadow below Marble Rim, Marble Mts. 2011 Comment
  UC196952  Trisetum canescens Geo. D. Butler 1910-7-8 1661 Siskiyou Shackleford Creek Comment
  UC1265674  Triteleia crocea Rolf Y. Berg 1980-6-25 Siskiyou on road from Seiad Valley to Cook and Green Pass; Klamath River Region, Horsetail Falls Comment
  UC1618204  Triteleia hyacinthina Barbara Ertter with Julie Kierstead and Jim Nelson 1990-7-15 9369 Siskiyou ca 1 mi e Toad Lake (at head of river, ca 8 air mi w of Mt. Shasta City); Middle Fork Sacramento River 1981 Comment
  UC572793  Tsuga mertensiana W. Bridge Cooke 1937-8-17 9295 Siskiyou lava slopes Mt. Shasta 2590 Comment
  CAS-BOT-BC74090  Turritis glabra Geo. D. Butler 1910-6-5 1524 Siskiyou Loy Lake. Comment
  SD88529  Turritis glabra Darley F. Howe 1972-7-6 Siskiyou 1.3 miles south of Oregon State Line on road to Happy Camp 1645 Comment
  RSA238861  Vaccinium Frederick W. Oettinger 1969-07 14 Siskiyou Charmaine Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1921 Comment
  CAS-BOT-BC199188  Vaccinium cespitosum Ira L. Wiggins 1955-7-27 13542 Siskiyou Caribou Lake, Salmon-Trinity Alps Primitive Area 2042 Comment
  CAS-BOT-BC199198  Vaccinium cespitosum Wm. Bridge Cooke 1940-7-5 15266 Siskiyou At Wagon Camp Comment
  CAS-BOT-BC228832  Vaccinium cespitosum Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-20 1931 Siskiyou Russian Wilderness, Klamath National Forest. Along Sugar Creek Trail to Sugar Lake from trailhead off forest road 41N14 1805 Comment
  CAS-BOT-BC228835  Vaccinium cespitosum Peter W. Fritsch; James R. Shevock; Lu Lu 2012-6-20 1934 Siskiyou Russian Wilderness, Klamath National Forest. Above Sugar Lake along Sugar Creek on steep SE-facing slope. (From trailhead off forest road 41N14) 2019 Comment
  HSC68332  Vaccinium cespitosum Maralyn A. Renner 1980-6-26 1239 Siskiyou SE edge of Flint Valley. 1390 Comment
  HSC761  Vaccinium cespitosum William J. Ferlatte 1966-7-7 205 Siskiyou Caribou Basin 1982 Comment
  HSC91311  Vaccinium cespitosum Jennifer Whipple 1976-4-17 1029 Siskiyou Near Durney Lake 2073 Comment
  JEPS116592  Vaccinium cespitosum Julie Kierstead Nelson with Rhonda Posey, Ross Olson 2007-8-1 2007 -024 Siskiyou The Eddys, west of Mt. Shasta. West side of Toad Lake, headwaters of Middle Fork of upper Sacramento River South China Mountain 2118 Comment
  JEPS91235  Vaccinium cespitosum Dean W. Taylor 1988-7-9 9946 Siskiyou Castle Lake region, in cirque and ridgetop above Heart Lake 1950 Comment
  LA44627  Vaccinium cespitosum H. Lewis; M. Lewis 1951-7-12 sn Siskiyou Mt. Shasta, Panther Meadow, S side Comment
  UC1409422  Vaccinium deliciosum Frederick W. Oettinger 1969-7-14 1013 b Siskiyou Charmaine Lake Salmon Mountains, Marble Mountain Wilderness Area, English P 1920 Comment
  HSC29339  Vaccinium membranaceum Frederick W. Oettinger 1969-7-14 1013 Siskiyou Marble Mountain Wilderness Area, Charmaine Lake 1921 Comment
  UC562352  Vaccinium membranaceum Joseph P. Tracy 1935-8-1 14419 Siskiyou 3 mi e of Salmon Summit (Head of Knownothing Creek); Knownothing Creek 1767 Comment
  HSC27974  Vaccinium ovatum Carl W. Mize 1972-9-24 127 Siskiyou 732 Comment
  HSC19095  Vaccinium scoparium J. O. Sawyer 1969-8-1 1656 Siskiyou Along trail to Little Duck Lake 1951 Comment
  HSC19246  Vaccinium scoparium J. O. Sawyer 1969-8-1 1655 Siskiyou Along trail to Little Duck Lake 1951 Comment
  HSC19415  Vaccinium scoparium J. O. Sawyer 1968-7-9 429 Siskiyou W of Little Duck Lake. 1936 Comment
  UCD13278  Vaccinium scoparium K. F. Mawdsley 1996-7-9 12 c Siskiyou California, Siskiyou County. Russian Wilderness in Klamath NF. T40N, R9w, NW 1/4 of Section 19, Eaton Peak 7.5 topo. Elevation 6680. Comment
  RSA238863  Vaccinium uliginosum subsp. occidentale Frederick W. Oettinger 1969-8-1 1133 Siskiyou Side of Wiregrass Meadow and bordering on the English Lake outlet brook. Salmon Mtns. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1677 Comment
  RSA201568  Vahlodea atropurpurea Jack Major, M. Fleschner, R. Pemble 1966-9-5 s.n. Siskiyou Along trail from Marble Mountain to Sky High Lake, east of Marble Mountain. 1976 Comment
  RSA238821  Valeriana sitchensis subsp. scouleri Frederick W. Oettinger 1967-7-30 214 Siskiyou Approx. 300 yards up tributary of Upper English Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1784 Comment
  RSA238823  Valeriana sitchensis subsp. scouleri Frederick W. Oettinger 1968-8-6 425 Siskiyou At the SE corner of Hancock Lake. The Salmon Mountains. High Lake Basins in the vicinity of English Peak. Marble Mountain Wilderness Area. 1936 Comment
  HSC68308  Vancouveria hexandra Maralyn A. Renner 1980-7-5 1521 Siskiyou Doe Flat 1220 Comment
  UC637032  Vancouveria hexandra Edward Lee 1934-8-13 1083 Siskiyou Happy Camp to Waldo (Oregon) road watershed of West Branch of Indian Creek; Klamath National Forest, watershed West Branch Indian Crk 1463 Comment
  UCR93345  Vancouveria hexandra Kathy Harper, D. Karr 1994-6-10 s.n. Siskiyou North Coast Range, Indian Creek Camp, 14.5 mi NW of Happy Camp along Indian Creek Road, off Hwy 96. Near campsites 7 to 9 610 Comment
  HSC102655  Ventenata dubia J. P. Smith 2009-6-1 12615 Siskiyou Road to Tenant. Comment
  UCSB63787  Ventenata dubia Vernon H. Oswald and Lowell Ahart 1998-7-21 9336 Siskiyou collected 0.40 mi SE, along the S-side of Tenant Road to Bray Old State Highway - Tenant Road, Old State Highway and Bray 1523 Comment
  RSA378040B  Veratrum californicum M. B. Dunkle 1944-7-18 9141 Siskiyou Siskiyou National Forest Comment
  JEPS62206  Veratrum californicum var. californicum Geo. D. Butler 1908-8-3 534 Siskiyou Log Lake Comment
  UC1187637  Veratrum insolitum Lincoln Constance, Rimo Bacigalupi, and Lawrence R. Heckard 1960-7-21 3692 Siskiyou Callahan Road 13 mi e Cecilville; Salmon Mountains 1371 Comment
  HSC69439  Veratrum viride John Palmer 1980-8-13 792 Siskiyou Klamath National Forest, Dead Cow Creek near F.S. Rd. 47N44 from Beaver Creek Rd. 1616 Comment
  UCR78452  Verbascum blattaria Scott D. White, Julie Greene 1993-8-24 1839 Siskiyou Klamath River, 'Presidio Bar' (off Hwy 96) 152 Comment
  RSA123556  Verbascum blattaria G. D. Barbe 1955-7-7 143 Siskiyou East side of Forest Camp. Etna. 884 Comment
  SD51281  Verbascum blattaria Darley F. Howe 1961-8-3 3131 Siskiyou 4.1 miles east of Happy Camp on #96 Comment
  UC984825  Verbascum blattaria A. M. Vollmer and L. Beane 1951-6-2 48 Siskiyou Klamath River Highway betw U.S. 99 and Gottville; Klamath River Highway Comment
  RSA184821  Veronica alpina var. alterniflora Gilbert Muth 1966-7-18 413 Siskiyou Marble Gap Trail, Meadow above Marble Valley, Marble Mtns. 1829 Comment
  UC455534  Veronica americana I. J. Condit 1909-8-22 Siskiyou Sisson Comment
  CAS-BOT-BC540706  Veronica copelandii Dana York 2012-7-21 3138 Siskiyou Siskiyou Mountains: Rogue River-Siskiyou National Forests, Red Butte Wilderness, NE Slope of Red Butte 1925 Comment
  UC1258462  Veronica copelandii Maralyn A. Renner 1980-8-21 2589 Siskiyou sw of trail from Leroy Mine to Sunrise Basin; Klamath National Forest 2286 Comment
  UCR143209  Veronica persica L. C. Wheeler 1935-4-17 3425 Siskiyou Siskiyou Mountains, Greenhorn Creek 1006 Comment
  JEPS66324  Veronica serpyllifolia subsp. humifusa L. R. Heckard with T. I. Chuang 1971-6-16 2588 Siskiyou w of Mount Hebron ( Ball Mountain Road nw of U.S. Route 97); Ball Mountain Road Comment
  RSA426507  Veronica serpyllifolia var. humifusa M. B. Dunkle 1944-7-1 9062 Siskiyou Smoky Creek, Siskiyou Nat'l Forest. 1829 Comment
  HSC91120  Veronica wormskjoldii Jennifer Whipple 1977-8-6 2232 Siskiyou Dale Creek drainage on the N face of Mt. Eddy 2195 Comment
  POM349909  Vicia americana var. americana Bonnie C. Templeton 1960-6-21 8561 Siskiyou Near the summit of Scott Mt. Comment
  HSC15239  Vicia americana var. americana R. C. Wunner 1965-6-22 241 Siskiyou Lava Beds National Monument, 1/2 mi. N of Canby Cross 1220 Comment
  CAS-BOT-BC264072  Viola adunca Elizabeth McClintock; Wayne Roderick; Martha Roderick 1967-7-28 s.n. Siskiyou Gumboot Lake, Trinity Mountains 1828 Comment
  RSA256606  Viola adunca J. P. Smith 1974-5-25 7464 Siskiyou Along road 8, 4.7 mi. west of its junction with State Route 3. 1159 Comment
  SEINET6176312  Viola adunca James P. Smith 1974-5-25 7464 Siskiyou Along Road 8, 4.7 miles west of its junction with State Route 3.; 0 1158 Comment
  UC1282006  Viola adunca Louise Kellogg Aug 5 1953-Aug 7 1953 101 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 1844 Comment
  CAS-BOT-BC264075  Viola adunca Ella Dales Cantelow 1936-5-20 1447 Siskiyou N slope of Scott Mountain Comment