Search Results — 2000 specimen records retrieved (1422 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SJSU737  Acer circinatum H. E. Peterson 1941-8-15 170 -1 Trinity near Weaverville Comment
  JEPS123170  Acer glabrum D. Burge and J. Nelson with Jepson Herbarium workshop participants 2015-6-27 JHWS- 144 Trinity Scorpion Lake Comment
  HSC30216  Acer glabrum var. torreyi William J. Ferlatte 1968-6-9 1142 Trinity Packers Peak 1982 Comment
  HSC12774  Acer glabrum var. torreyi William J. Ferlatte, Alice Q. Howard 1970-8-9 1293 Trinity Boulder Creek Lakes, above upper lake 1921 Comment
  CHSC3485  Acer macrophyllum Roger Jaegel 1966-4-10 116 Trinity Located three miles west of Hayfork, Trinity County, California. Comment
  UCR123916  Acer macrophyllum George K. Helmkamp, E. A. Helmkamp 2001-7-8 6929 Trinity Trinity Mountains, Calif. Hwy 36, 2.2 mi west of the Trinity/Shasta Co. line 1159 Comment
  CAS-BOT-BC18760  Achillea millefolium A. Junkans 1916-7-22 s.n. Trinity Weaverville Comment
  HSC36002  Achillea millefolium J. P. Smith, J. O. Sawyer 1973-7-27 7187 Trinity Trail to Deadfall Lakes 1951 Comment
  JEPS123427  Achillea millefolium Julie Kierstead Nelson with Marie Buell 2015-7-18 2015 -107 Trinity Yolla Bolly Wilderness; near Tehama County line; 0.3 miles W of North Yolla Bolly; headwaters of the east fork of the south fork of Trinity River. Comment
  CDA28098  Achnatherum lemmonii G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2714 Trinity At Bowerman Ridge Road on Highway 3 west of Clair Engle Lake, north of Weaverville, 1.25 miles (2 km) south of Preacher Meadow campground, midway between Covington Mill and Trinity Center. Trinity National Forest. Comment
  UC180499  Achnatherum lemmonii Joseph P. Tracy 1913-6-24 4319 Trinity 6 mi above Ruth (hillslopes of Mad River Valley); Northern Coast Ranges, Mad River Valley 914 Comment
  JEPS74535  Achnatherum nevadense W. J. Ferlatte 1966-8-23 474 Trinity Trinity Alps, Boulder Creek basin - a tributary to Canyon Creek Trinity Alps, Boulder Creek basin 1706 Comment
  CAS-BOT-BC217023  Achnatherum occidentale C. L. Hitchcock; J. S. Martin 1939-7-11 5392 Trinity S shore of Upper Canyon Creek Lake, 11 miles N of Dedrick Salmon-Trinity Mountains 1889 Comment
  JEPS77781  Achnatherum stillmanii J. P. Smith and J. O. Sawyer 1975-7-12 8368 Trinity n of Ramshorn Creek (State Rte. 3 at crossing of Trinity River); Trinity River 914 Comment
  UCD103786  Acmispon americanus var. americanus Joseph M. DiTomaso 1975-8-27 300 Trinity Dorleska Mine. 2042 Comment
  HSC71577  Acmispon micranthus M. A. Baker 1980-6-25 2353 Trinity Near Castle Rock 1280 Comment
  HSC74612  Acmispon nevadensis M. A. Baker 1980-7-10 2753 Trinity Near Senteney Rock 1554 Comment
  HSC72610  Acmispon nevadensis var. nevadensis Gail Newton 1980-7-1 827 Trinity Near Hayden Roughs. 1250 Comment
  HSC24201  Acmispon nevadensis var. nevadensis D. E. Anderson, D. Santana, J. Lackey 1971-7-15 5227 Trinity 5.7 mi. S of the Mad River Ranger Station, on Hwy. 36, along the road to Zenia. Comment
  UC465622  Aconitum columbianum Harry S. Yates 1914-7-14 501 Trinity Stuart's Fork Comment
  UCD95325  Aconitum columbianum Joseph M. Di Tomaso 1975-7-31 221 Trinity Tangle Blue Lake. 1737 Comment
  HSC78750  Aconitum columbianum subsp. columbianum John S. Palmer 1973-8-3 147 Trinity Bear Lakes Area, along trail to Big Bear Lake. 1677 Comment
  HSC92157  Aconitum columbianum subsp. columbianum Jennifer Whipple 1977-9-9 2294 Trinity N of Lower Deadfall and Deadfall Lakes, along the creek draining the upper Deadfall Lakes. 2165 Comment
  RSA41956  Aconitum columbianum var. columbianum H. C. Cantelow 1936-8-24 1699 Trinity Dan Rice Creek, 3 miles S of summit of Scott Mt. Comment
  JEPS74626  Actaea rubra William J. Ferlatte and Alice Q. Howard 1970-8-9 1292 a Trinity slope above upper lake Boulder Cr. Lakes; Trinity Alps, Boulder Cr. Lakes 1920 Comment
  HSC72820  Adenocaulon bicolor Gail Newton 1980-7-9 1143 Trinity Near Shanty Creek. 1113 Comment
  UC1037468  Adenocaulon bicolor Douglas Barbe 1955-8-3 338 Trinity 3 mi s at Dan Rice Creek and Scott Mtn Road Scott Mtn. Forest Camp; Klamath Mountains, Dan Rice Creek 1386 Comment
  UC933430  Adenocaulon bicolor Annie M. Alexander and Louise Kellogg 1948-8-1 5381 Trinity Canyon Creek (tributary of Trinity River); Trinity Mountains, Trinity River, Canyon Creek 762 Comment
  HSC85423  Adenostoma fasciculatum Andrew Buchanan 1986-5-11 53 Trinity 0.5 mi. E of A. C. Graves Ranch on Platina Rd. (A16) Comment
  CAS-BOT-BC65534  Adiantum aleuticum G. R. Kleeberger 1879-10-18 s.n. Trinity Weaverville Comment
  HSC38944  Adiantum aleuticum J. P. Smith, J. O. Sawyer 1975-6-22 8215 Trinity Granite Canyon Creek. 701 Comment
  SEINET5714102 Image available Adiantum aleuticum Lowell E. Urbatsch, Patricia B. Cox; Alan W. Lievens 1988-1 6141 Trinity In a seep near Dan Rice Creek. Along CA 3 near its intersection with USFS Road 39 NO4. 51.4 road miles north of the junction of CA 3 and CA 299. South of Callahan.; Callahan Comment
  RSA245032  Adiantum jordanii J. P. Smith 1973-4-7 5943 Trinity New River trail from Grays Falls Campground on the north side of the Trinity River and west side of the New River. 305 Comment
  HSC100224  Aegilops neglecta J. P. Smith 2010-6-25 12979 Trinity Vacant lot adjacent to shopping center on Hwy. 299 in Weaverville 614 Comment
  HSC71533  Agastache urticifolia J. P. Smith, Thomas W. Nelson 1979-6-26 10225 Trinity Shasta-Trinity National Forest, Philpot Campground on Philpot Creek. 793 Comment
  UCD124878  Agastache urticifolia Joseph M. DiTomaso 1975-7-22 186 Trinity Trinity Alps, 0.5 mile above Union Creek Campground and 1 mile below Foster Lake. 1889 Comment
  UCD124879  Agastache urticifolia Joseph M. DiTomaso 1975-8-4 233 Trinity Morris Meadows. 1325 Comment
  CAS-BOT-BC29464  Ageratina occidentalis LeRoy Abrams 1916-7-22 6230 Trinity Post Creek Comment
  CAS-BOT-BC29471  Ageratina occidentalis Alice Eastwood 1921-7-22 10688 Trinity Forest Glen, Trinity Forest Reserve Comment
  CHSC71521  Ageratina occidentalis Vernon H. Oswald; Lowell Ahart 1998-7-28 9379 Trinity Rattlesnake Rd. along the west side of Post Creek 0.2 mi north of Hwy. 36, east of Forest Glen. 780 Comment
  JEPS94908  Ageratina occidentalis Vernon H. Oswald and Lowell Ahart 1998-7-28 9379 Trinity e of Forest Glen (Rattlesnake Road along w side of Post Creek 0.2 mi n of Hwy 36); Rattlesnake Road, Post Creek 780 Comment
  CAS-BOT-BC29461  Ageratina occidentalis Volney Rattan 1883-6-1 s.n. Trinity Forks of Trinity Comment
  RSA21439  Ageratina occidentalis Carl B. Wolf 1937-8-12 9203 Trinity North Coast Range, South Fork Mt., Cold Spring Lookout. 1646 Comment
  HSC92583  Agoseris aurantiaca Jennifer Whipple 1977-7-5 1910 Trinity N of Lower Deadfall and Deadfall Lakes along creek draining the upper Deadfall Lakes 2165 Comment
  CAS-BOT-BC21330  Agoseris aurantiaca var. aurantiaca John Thomas Howell 1937-7-21 13246 Trinity Big Flat Comment
  CHSC82653  Agoseris grandiflora L. P. Janeway 2001-7-8 7302 Trinity Klamath Ranges. On ridgetop 1.8 km north of Red Mountain. 1650 Comment
  CAS-BOT-BC22798  Agoseris heterophylla Roxana S. Ferris; Laura Lorraine 1948-6-11 11682 Trinity Summit between Mad River and south fork of Trinity River, state highway 36 1359 Comment
  CAS-BOT-BC22789  Agoseris heterophylla F. Almeda 1993-7-29 7327 Trinity About 15 mi W of Coffee Creek and about 1 mi N of Mt. Meadow Ranch off Coffee Creek Rd 1554 Comment
  CAS-BOT-BC13475  Agoseris retrorsa Annie M. Alexander; Louise Kellogg 1949-7-4 5767 Trinity North Yolla Bolly, Yolla Bolly Middle Eel Primitive Area 2133 Comment
  CAS-BOT-BC13481  Agoseris retrorsa J. T. Howell 1937-7-21 13245 Trinity Big Flat Comment
  HSC51286  Agoseris retrorsa G. L. Clifton, Overton 1979-6-4 4127 Trinity Near Shanty Creek, close to the town of Alderpoint 853 Comment
  HSC72559  Agoseris retrorsa Gail Newton 1980-7-1 770 Trinity Near Hayden Roughs. 1250 Comment
  HSC73289  Agoseris retrorsa M. A. Baker 1980-7-13 2876 Trinity Near Red Rock 1585 Comment
  HSC74243  Agoseris retrorsa M. A. Baker 1980-7-10 2760 Trinity Near Senteney Rock 1554 Comment
  HSC82636  Agoseris retrorsa Thomas W. Nelson 1979-5-13 4656 Trinity Along Rd. from SR 3 to Deerlick Springs 2 mi. S of Blanchard Flats. 640 Comment
  CHSC91591  Agrostis D. Isle 1997-9-30 413 Trinity Mendocino National Forest--North Coast Ranges. Upper Middle Fork Eel River Watershed. (AB-7). 1051 Comment
  UC2046571  Agrostis William J. Ferlatte 1976-9-21 1827 Trinity Big Flat at head of Coffee Creek; west edge of ephemeral pond (Lake Martin) at high water mark Comment
  CAS-BOT-BC126958  Agrostis exarata G. R. Kleeberger 1880-8-1 s.n. Trinity Mount Bally. Comment
  SEINET10810361  Agrostis exarata Joseph P. Tracy 1935-8-3 Tracy 14483 Trinity Mary Blaine Mt. Moist meadow, known as "Mary Blaine Meadow". 1951 Comment
  HSC65671  Agrostis scabra Donald W. Miles 1979-6-30 17 Trinity Above East Fork of the Trinity River, along Mumbo Creek Rd. 1463 Comment
  CAS-BOT-BC138589  Agrostis stolonifera John Thomas Howell 1955-7-16 30656 Trinity Buckhorn Station 3 miles east of Fawn Lodge. 701 Comment
  CAS-BOT-BC138564  Agrostis variabilis C. L. Hitchcock; J. S. Martin 1939-7-11 5403 Trinity South shore of Upper Canyon Creek Lake, 11 miles north of Dedrick, Salmon-Trinity Mountains. 1889 Comment
  HSC34557  Aira caryophyllea Lon Hall 1975-5-17 345 Trinity SE-facing slope on the trail to Denny at the confluence of New River and Trinity River 310 Comment
  UC1314298  Allium Freed W. Hoffman 1949-7-14 2890 Trinity near a small lake on n side of Red Lassic Peak North Coast Ranges, Red Lassic Peak Comment
  UC1051705  Allium acuminatum Helen K. Sharsmith 1953-6-26 4371 Trinity bridge crossing of North Fork Post Creek between Cold Springs Forest Glen; Inner North Coast Ranges, North Fork Post Creek 1066 Comment
  CAS-BOT-BC459450  Allium acuminatum L. R. Abrams 1916-7-22 6168 Trinity Summit between Mad and Trinity Rivers, Eureka, Red Bluff Road Comment
  SEINET199673  Allium acuminatum J. P. Tracy 1923-1 Trinity 0 Comment
  HSC39433  Allium amplectens Thomas W. Nelson, James Nelson 1976-7-9 2981 Trinity Just above Senteney Rock 1524 Comment
  HSC70113  Allium amplectens Thomas W. Nelson, Jane P. Nelson 1978-6-23 4343 Trinity Along road to Hell to Find Lake Comment
  HSC60359  Allium amplectens Clark Miller 1979-5-26 8162 Trinity Along rd. to Hobo Gulch Campground from Hwy. 299 915 Comment
  UCD138468  Allium amplectens Joseph M. DiTomaso 1975-7-24 198 Trinity Trinity Alps, between Momford Meadows and Foster's Cabin on Swift Creek Trail. 1645 Comment
  CHSC40936  Allium bolanderi J. D. Jokerst 1984-6-27 2076 Trinity East of and adjacent to Mule Creek just downstream of crossing by USFS logging road. 822 Comment
  CHSC41206  Allium bolanderi J. D. Jokerst 1984-5-31 2035 Trinity North of Butter Cr. E. of its junction with the S. Fork Trinity River, 4 airmiles SE of Hyampom. 609 Comment
  HSC39434  Allium bolanderi var. bolanderi Thomas W. Nelson, James Nelson 1976-6-22 2819 Trinity Below Senteney Rock. 1463 Comment
  HSC43323  Allium campanulatum K. Irwin 1977-5-7 310 Trinity Blue Point on Blue Point Ridge 1573 Comment
  HSC91446  Allium campanulatum Jennifer Whipple 1976-7-28 1599 Trinity Deadfall Creek drainage near Deadfall Lakes 2287 Comment
  UC1299313  Allium campanulatum Freed W. Hoffman 1949-7-14 2891 Trinity along trail on e slope of Red Lassic Peak North Coast Ranges, Red Lassic Peak Comment
  HSC2956  Allium campanulatum William J. Ferlatte, B. D. Rodgers 1966-6-7 2077 Trinity 2 mi. W of Peanut on Hwy. 36 823 Comment
  RSA0062951  Allium campanulatum William J. Ferlatte 1966-6-30 151 Trinity Canyon Creek Lakes, open granitic slopes and flats. 1646 Comment
  UCD138487  Allium campanulatum Joseph M. DiTomaso 1976-7-14 634 Trinity Luella Lake. 2164 Comment
  RSA79337  Allium cratericola E. K. Balls, Lee W. Lenz 1952-5-12 17209 Trinity Half mile west of turn off to Peanut and Hayfork from highway 36. Comment
  HSC31961  Allium falcifolium D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-13 5521 Trinity Black Lassic 1738 Comment
  UC922498  Allium falcifolium Annie M. Alexander and Louise Kellogg 1949-6-30 5728 Trinity Saddle between North Yolla Bolly and Black Rock Mountains; Yolla Bolly Middle Eel Primitive Area 2103 Comment
  CAS-BOT-BC469092  Allium falcifolium Harold E. Parks; Joseph P. Tracy 1942-7-2 11595 Trinity South Fork Mt, ridge top 1 mi. N of Racetrack 1676 Comment
  HSC95747  Allium falcifolium Mingrone, McNeal 1967-6-12 3 Trinity 14.5 mi. NE of Forest Glen on Rt. 36 toward Peanut Comment
  CHSC35544  Allium hoffmanii Thomas W. Nelson; Jane P. Nelson 1980-6-20 5666 Trinity Shasta-Trinity National Forest. Along 4-wheel drive road out Blue Point Ridge 1 mile west of junction with road 29N55. 1554 Comment
  HSC65970  Allium hoffmanii Gail Newton 1980-7-13 1433 Trinity Near Mule Ridge 1646 Comment
  UCD138601  Allium siskiyouense Joseph M. DiTomaso 1975-7-30 218 Trinity Trinity Alps; Tangle Blue Lake. 1920 Comment
  UC1198202  Allium validum Joseph P. Tracy 1935-7-24 14214 Trinity e Ranger Station; Trinity Summit 1889 Comment
  UC1111634  Allophyllum divaricatum Lewis S. Rose 1955-6-13 55076 Trinity 6 mi. s.w. Douglas City 609 Comment
  CAS-BOT-BC171426  Alnus incana subsp. tenuifolia P. A. Munz 1951-7-22 16817 Trinity Patty John Basin, North Yolla Bolly Mts. 1981 Comment
  UC1222283  Alnus incana subsp. tenuifolia Joseph P. Tracy 1950-7-25 19050 Trinity old sheep camp 1 mi s Race Track; South Fork Mountain 1645 Comment
  CAS-BOT-BC169668  Alnus rhombifolia Alice Eastwood 1921-6-22 10684 Trinity Forest Glen, Trinity Forest Reserve Comment
  HSC58969  Alnus viridis subsp. sinuata Cliff Clue 1972-10-7 1851 Trinity Near Kerlin Creek, close to the town of Hyampom 1372 Comment
  JEPS123488  Amelanchier alnifolia var. semiintegrifolia E. T. Doucette 2013-5 13 -127 Trinity Fire road 25 above Mumbo Basin. Comment
  HSC44175  Amelanchier pallida M. A. Baker 1977-5-21 300 Trinity Eagle Creek Campground 851 Comment
  UC922315  Amelanchier utahensis Annie M. Alexander and Louise Kellogg 1949-7-5 5782 Trinity saddle between North Yolla Bolly and Black Rock Mountains; Trinity Mountains, Yolla Bolly Middle Eel Primitive Area 2103 Comment
  SEINET7091117  Amelanchier utahensis Douglass M. Henderson 1986-6-6 6966 Trinity Trinity Mountians, Shasta-Trinity National Forest. Divide between Trinity and Siskiyou Counties, Scott Mountain USFS [United States Forest Service] Campground, circa 250 meters southwest of Scott Mountain summit. Ex University of Idaho Stillinger Herbarium (ID), Acc. No. 119454. 1646 Comment
  UC525583  Amsinckia intermedia Joseph P. Tracy 1923-7-1 6508 Trinity near summit on road to Low Gap of Mad River; Northern Coast Ranges, South Fork Mountain 1219 Comment
  UC525584  Amsinckia intermedia Joseph P. Tracy 1932-6-17 10193 Trinity Three Forks of Mad River; North Coast Ranges 883 Comment
  HSC64005  Amsinckia intermedia J. P. Smith, Thomas W. Nelson, Jane P. Nelson 1976-3-20 8518 Trinity Hwy. 299, 7 mi. W of Whites Bar, above Trinity River 427 Comment
  CHSC30267  Anaphalis margaritacea M. S. Taylor 1980-8-26 3316 Trinity Swift Creek Trail, where creeks cross the trail, ca. 0.7 mi NW of trailhead, ca. 8 mi W of Trinity Center. 1219 Comment
  HSC12666  Anaphalis margaritacea William J. Ferlatte, Alice Q. Howard 1970-8-9 1283 Trinity Boulder Creek Lakes; at west end of lower lake 1768 Comment
  CAS-BOT-BC391768  Anemone deltoidea Eugene Carter 1972-6-8 409 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity. (18 mi. NW of Weaverville.) Along White's Creek Trail near Bear Wallow Camp 1341 Comment
  HSC40496  Anemone drummondii J. O. Sawyer, Kevin Sawyer, J. P. Smith 1974-6-26 2605 Trinity S ridge of Seven-Up Peak where Deer Creek Trail crosses ridge to Granite Lake 2287 Comment
  HSC75605  Anemone drummondii J. O. Sawyer, R. J. Cole 1981-6-14 4133 Trinity Upper Bowerman Meadows on trail to Lake Anna Comment
  HSC81507  Anemone drummondii Thomas W. Nelson, Jane P. Nelson 1980-7-17 6101 Trinity Along FS Rd. 17 at summit at county line 2073 Comment
  JEPS96771  Anemone drummondii Dean W. Taylor 1993-6-15 13616 Trinity Tamarack Lk; Trinity Mtns; ridge divide with Sacramento Riv watershed east and above the lake 1859 Comment
  POM99863  Anemone drummondii H. M. Hall 1909-7-18 8567 Trinity Dorleska, in the Salmon Mountains. 2000 Comment
  HSC64345  Anemone oregana var. oregana J. P. Smith, J. O. Sawyer 1973-4-15 6149 Trinity 0.1 mi. N of the S end of Eagle Creek Loop on SR 3 884 Comment
  CAS-BOT-BC183602  Angelica arguta Eugene Carter 1975-8-19 1079 Trinity North Fork Trinity River. Limestone Ridge, Morrison Gulch Trail. At Rattlesnake Lake Camp 1691 Comment
  HSC71766  Angelica tomentosa J. M. DiTomaso 1980-8-15 1872 Trinity 3.6 mi N of Peanut on Hwy 3, 2.5 mi S of Hayfork 732 Comment
  CAS-BOT-BC271401  Anisocarpus madioides David D. Keck 1944-7-10 5469 Trinity 1.5 mi. W. of Wildwood 1158 Comment
  HSC57260  Anisocarpus madioides Walter Overton 1979-7-17 8148 Trinity Near Horse Ridge, close to the town of Mad River 1356 Comment
  HSC68738  Anisocarpus madioides Jacqueline Greenleaf 1980-6-18 124 Trinity Near Van Duzen River. 884 Comment
  HSC42431  Antennaria argentea Barbara Kelly 1977-5-21 451 Trinity Eagle Creek Campground. 851 Comment
  JEPS25544  Antennaria argentea Rimo Bacigalupi with Lincoln Constance 1959-6-17 7161 Trinity along Scott Mountain Road 1645 Comment
  UC472341  Antennaria argentea Harry S. Yates 1914-5-15 276 Trinity near Weaverville 624 Comment
  CAS-BOT-BC59252  Antennaria argentea J. P. Smith; J. O. Sawyer 1973-7-4 7038 Trinity Trail 11W26 from Road 80 between Dubakella and South Duakella Mountain 1524 Comment
  CAS-BOT-BC59292  Antennaria argentea Eugene Carter 1972-6-15 433 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity. (18 mi. NW of Weaverville) 914 Comment
  SEINET2031093 Image available Antennaria argentea Joseph P. Tracy 1923-6-3 6436 Trinity Hay Fork Mountain. Near summit on Weaverville road. 1100 Comment
  HSC42449  Antennaria dimorpha Barbara Kelly 1977-5-7 398 Trinity Blue Point on Blue Point Ridge 1573 Comment
  RSA67006  Antennaria media Philip A. Munz 1951-7-21 16762 Trinity Just south of North Yolla Bolly Pk. 2317 Comment
  JEPS128099  Antennaria rosea subsp. confinis Julie Kierstead Nelson with Heath Bartosh, Jepson Yolla Bolly Workshop 2017-7-13 2017 -025 Trinity Yolla Bolly Wilderness; near Tehama County line: Pettijohn Basin; headwaters of the east fork of the south fork of the Trinity River. Comment
  HSC78468  Antennaria rosea subsp. rosea John S. Palmer 1973-6-19 62 Trinity Bear Lakes Area along trail to Big Bear Lake 1341 Comment
  JEPS117858  Antennaria rosea subsp. rosea Julie Kierstead Nelson with S. Erwin, J. Paulo, S. Hee, L. Woolley 2006-6-20 2006 -38 Trinity Hackney Spring, Wild Mad Road 30. Pony Buck Peak East 1300 Comment
  JEPS77436 Image available Antennaria sawyeri William J. Ferlatte 1975-8-24 1721 Trinity east edge of Siligo Meadows; Trinity Alps of Northern California 2225 Comment
Read comments
Nov 28 2018
  HSC70051  Anthriscus caucalis M. A. Baker 1980-5-25 1560 Trinity Near Shannon Butte 914 Comment
  UC922559  Antirrhinum vexillocalyculatum subsp. breweri Annie M. Alexander and Louise Kellogg 1948-8-3 5388 A Trinity above Dedrick (Cloride Mine Trail); Trinity Mountains Comment
  RSA78035  Antirrhinum vexillocalyculatum subsp. breweri Philip A. Munz 1952-6-29 17820 Trinity 0.5 mi. south of Hobo Gulch Public Camp, North Fork of Trinity River, 14 mi. n. of Helena. 960 Comment
  UCSB54133  Antirrhinum vexillocalyculatum subsp. breweri Thompson, David 1983-6-28 Trinity 1.3 mi S of Ruth Ranger Station; 3.9 mi S of jct of rd to Zenia with Mad River Road; 2.5 mi N of Flying AA Ranch; Kettenpom Quad; (15', 1955): T3S, R8E, NE1/4 of NE1/2 Sec. 6; Along Upper Mad River Rd; E side of rd 853 Comment
  JEPS49784  Apocynum androsaemifolium W. L. Jepson 1897-7-23 14620 Trinity camp on Middle Eel R. near Castle Peak (Asa Bean Flat); s.e. Trinity Co., Middle Eel R., Asa Bean Flat Comment
  POM225290  Apocynum androsaemifolium subsp. pumilum P. A. Munz 1936-8-12 14376 Trinity Half way between Hay Fork and Weaverville Comment
  UCR124006  Aquilegia formosa George K. Helmkamp, E. A. Helmkamp 2001-7-8 6955 Trinity North Coast Range; Trinity Mountains, Calif. Hwy 36, 7 mi west of Wildwood at Telephone Ridge 1280 Comment
  CAS-BOT-BC395000  Aquilegia formosa Mrs. E. C. Van Dyke 1931-6-23 s.n. Trinity Nash mine above Carville Comment
  UC465740  Aquilegia formosa Annie M. Alexander and Louise Kellogg 1911-7-8 234 Trinity N. F. K. College Creek 1371 Comment
  HSC72599  Aquilegia formosa var. formosa Gail Newton 1980-7-1 750 Trinity Near Hayden Roughs. 1250 Comment
  RSA66418  Aquilegia formosa var. pauciflora P. A. Munz 1951-7-17 16592 Trinity Grasshopper Public Camp, 2.5 mi NW of Stuart Gap, North Yolla Bolly Mtns. 1402 Comment
  RSA0125882  Arabidopsis thaliana P. A. Munz 1949-5-15 13216 Trinity Ripstein Public Campground. Canyon Creek. Dedrick. 976 Comment
  RSA66408  Arabis breweri P. A. Munz 1951-7-18 16638 Trinity N slope of N Yolla Bolly Peak, North Yolla Bolly Mountains. 1982 Comment
  HSC59278  Arabis breweri var. austiniae R. York 1979-5-12 271 Trinity Above Deer Lick Springs Rd., along Readings Creek, 3 mi. from junction with Hwy. 3 610 Comment
  HSC72995  Arabis breweri var. austiniae M. S. Taylor 1980-6-11 2837 Trinity N side of Hwy. 299, 4 mi. W of Del Loma 396 Comment
  HSC74552  Arabis breweri var. breweri M. A. Baker 1980-7-12 2845 Trinity Near Black Lassic 1753 Comment
  HSC46814  Arabis divaricarpa William J. Ferlatte 1974-8-15 1636 Trinity W side of Summit Lake 2226 Comment
  HSC25667  Arabis glabra D. E. Anderson, D. Santana, J. Lackey 1971-7-15 5243 Trinity On spur road to logging landings, 0.8 mi. from its junction with 1 S0 7. Comment
  HSC74797  Arabis glabra Gail Newton 1980-7-9 1109 Trinity Near Shanty Creek. 1113 Comment
  HSC66160  Arabis holboellii var. retrofracta D. Boyd, M. Eichelberger, Tim Messick, T. Ranker 1980-5-3 60 Trinity Philpot Creek Campground. 808 Comment
  HSC82009  Arabis holboellii var. retrofracta Thomas W. Nelson, Jane P. Nelson 1979-6-15 4844 Trinity Mouth of Bear Creek 915 Comment
  HSC90573  Arabis holboellii var. retrofracta Jennifer Whipple 1976-6-22 1076 Trinity Near Lower Deadfall lake, NW end of lake. 2165 Comment
  HSC90574  Arabis holboellii var. retrofracta Jennifer Whipple 1976-6-25 1147 Trinity S facing slopes N of Deadfall Lake in the Deadfall drainage 2195 Comment
  HSC246  Arabis platysperma William J. Ferlatte 1967-8-11 901 Trinity Grizzly Lake Basin, 0.5 mi. N of Grizzly Lake 2134 Comment
  HSC74567  Arabis platysperma Gail Newton 1980-7-12 1346 Trinity Near Red Lassic 1798 Comment
  HSC98473  Arabis platysperma var. howellii Dana York 2009-7-19 2976 Trinity 82 km. WNW of Redding, Shasta-Trinity National Forest on Thurston Peaks (Limestone Ridge), spur ridge to summit of Thurston Peaks 2226 Comment
  HSC98416  Arabis rigidissima Dana York, J. R. Shevock, Richard Helliwell 2009-7-3 2940 Trinity 81 mi. W of Redding, Shasta-Trinity National Forest, Pony Camp just below Limestone Ridge 2073 Comment
  HSC90633  Arabis sparsiflora var. subvillosa Jennifer Whipple 1976-8-4 1659 Trinity Near Lower Deadfall Lake 2165 Comment
  HSC40065  Arabis subpinnatifida J. P. Smith 1973-4-21 6348 Trinity Eagle Creek Campground, along the Trinity River. 869 Comment
  HSC67320  Arabis subpinnatifida Thomas W. Nelson, Jane P. Nelson 1980-5-7 5186 Trinity Along FS 29N58, Rattlesnake Ridge, at junction with FS 29N67 1341 Comment
  HSC68899  Arabis subpinnatifida Thomas W. Nelson, Jane P. Nelson 1980-6-20 5671 Trinity Shasta-Trinity National Forest, along 4-wheel drive road out Blue Point Ridge, 1 mi. W of junction with FS Rd. 29N55 1555 Comment
  HSC49355  Arabis subpinnatifida Thomas W. Nelson, Jane P. Nelson 1978-5-26 3809 Trinity NW facing slope along Hwy. 3, 1 mi. S of Peanut 671 Comment
  RSA0125733  Arabis subpinnatifida J. P. Smith 1973-4-21 6160 Trinity Roadsides and slopes above Eagle Creek Loop, N of the Eagle Creek Campground. 854 Comment
  HSC90609  Arabis suffrutescens Jennifer Whipple 1976-7-12 1412 Trinity Mt. Eddy, S facing slopes N of Deadfall Lake in the Deadfall drainage. 2195 Comment
  CHSC68986  Aralia californica Vernon Oswald; Lowell Ahart 1997-7-17 8757 Trinity Forest Route 29 at a tributary of Smoky Creek, 1.1 mi south of the West Fork of Smoky Creek, 9.8 mi south of Hwy. 36. 1165 Comment
  UCSB11662  Aralia californica Dearing, Hugh; Dearing, Margaret 1939-6-19 Trinity French Creek 731 Comment
  CAS-BOT-BC407797  Arceuthobium campylopodum John Thomas Howell 1936-8-25 12790 Trinity near Trinity Center Comment
  SEINET3831772  Arceuthobium occidentale R. L. Mathiasen 2012-1 1281 Trinity 2 km SW of St. Rte. 299 on Burnt Ranch Schol rd.; On Pinus sabiniana Douglas ex. D.Don 470 Comment
  HSC42307  Arctostaphylos canescens Ed Cope 1977-5-7 58 Trinity Blue Point on Blue Point Ridge 1573 Comment
  UCD39979  Arctostaphylos canescens Rodney Gale Myatt 1971-9-21 1208 Trinity About 1 mi. west of the town of Willow Creek. 426 Comment
  JEPS120248  Arctostaphylos canescens subsp. sonomensis Julie Kierstead Nelson with Wendy Boes 2012-7-6 2012 -063 Trinity Forest Rd. 1S14 N of Hwy. 36 Comment
  HSC35175  Arctostaphylos glandulosa R. M. Sullivan 1975-5-17 90 Trinity Middle Fork of Philpot Creek and Philpot Campground on Plummer Peak Rd. 825 Comment
  HSC7640  Arctostaphylos glandulosa John L. Heywood, D. H. Norris 1968-3-30 1818 Trinity Hwy. 299, ca. 51 mi. E of Humboldt County Line Comment
  UC1120497  Arctostaphylos manzanita subsp. manzanita A. E. Wieslander 1931-10-21 253 Trinity ridge betw. Mad River and Hettenshaw Valley; Trinity National Forest, Hoaglin Quadrangle 1188 Comment
  CAS-BOT-BC227801  Arctostaphylos nevadensis Eugene Carter 1974-5-29 763 Trinity Salmon-Trinity Alps and vicinity. Southwest of Jorstad Cabin, Pfeiffer Flat 1341 Comment
  HSC32907  Arctostaphylos nevadensis Thomas W. Nelson 1973-5-30 985 Trinity Along Mule Ridge SE of Red Lassic Comment
  HSC67167  Arctostaphylos nevadensis J. P. Smith, J. O. Sawyer 1972-5-27 5340 Trinity 1 mi. S of Dan Rice Creek along Scott Mtn. Creek, Hwy. 3 1220 Comment
  SEINET10973490  Arctostaphylos nevadensis Mary Merello 1993-6-20 Merello 670 Trinity Six Rivers National Forest. Disturbed mixed conifer-hardwood forest along logging Road 1S11 off Forest Service Road 1S06 off State Hwy. 36. 1140 Comment
  HSC33335  Arctostaphylos nevadensis William J. Ferlatte 1974-8-16 1645 Trinity Below W side of Summit Lake 2226 Comment
  CAS-BOT-BC46443  Arctostaphylos patula Doris K. Kildale 1927-11-29 4231 Trinity Trinity Center, upper Trinity River. Comment
  CAS-BOT-BC46447  Arctostaphylos patula L. R. Abrams 1916-7-24 6256 Trinity Wildwood. Comment
  JEPS123153  Arctostaphylos patula D. Burge and J. Nelson with Jepson Herbarium workshop participants 2015-6-27 JHWS- 128 Trinity Scorpion Lake Comment
  UCD63200  Arctostaphylos patula Joseph M. DiTomaso 1976-6-30 543 Trinity Trinity Alps, Caribou Ridge Trail on Stuarts Fork side. 2103 Comment
  CDA38688  Arctostaphylos patula G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2747 Trinity Scott Mountain Summit campground, Scott Mountains, Trinity National Forest; summit of Highway 3 between Callahan (Siskiyou County) and Trinity Center. Comment
  CHSC82600  Arctostaphylos patula subsp. patula L. P. Janeway 2001-7-8 7297 Trinity Klamath Ranges. North edge of top of Red Mountain. 1710 Comment
  HSC54189  Arctostaphylos stanfordiana G. L. Clifton, Butler 1979-7-18 8475 Trinity Near Jones Ridge, close to the town of Mad River 1448 Comment
  CAS-BOT-BC46192  Arctostaphylos stanfordiana Roger Raiche 1985-6-15 50538 Trinity Near Kettenpom. 1051 Comment
  RSA96793  Arctostaphylos viscida subsp. mariposa P. C. Everett, E. K. Balls 1954-10-15 20300 Trinity 2.4 mi. e. of Hayfork on road from Douglas City. 762 Comment
  RSA96794  Arctostaphylos viscida subsp. mariposa P. C. Everett, E. K. Balls, George B. Everett 1954-10-15 20300 Trinity 2.4 mi. e. of Hayfork on road from Douglas City. 762 Comment
  UC668123  Arenaria congesta var. suffrutescens Joseph P. Tracy 1935-8-6 14673 Trinity around White's Creek Lake; Devil's Canyon Mts., North Fork of White's Creek 1889 Comment
  SEINET10476236  Argemone munita subsp. rotundata Mary Susan Taylor 1980-6-18 Taylor 2934 Trinity T1N R10W sec 33. Shasta-Trinity Natl Forest; On E side of Midas Saddle Rd, ca. 4 mi N of its jct with Hwy 36. 1219 Comment
  CAS-BOT-BC82372  Arnica cordifolia Anna A. Junkans 1915-5-20 s.n. Trinity Weaverville Comment
  HSC46307  Arnica cordifolia J. P. Smith, J. O. Sawyer 1973-4-30 6359 Trinity 0.5 mi. E of the Indian Creek Bridge on Hwy. 299 Comment
  CHSC71019  Arnica cordifolia var. cordifolia Vernon H. Oswald; Lowell Ahart 1998-5-14 9057 Trinity Wildwood Rd. along the west side of Hayfork Creek 5.1 mi north of Hwy. 36, 0.2 mi south of Gemmill Gulch Picnic Area. 1005 Comment
  CHSC6116  Arnica discoidea A. R. Jaegel 1968-5-4 158 Trinity 9 mi N of Hwy. 3 on Barker Creek R. Near Hayfork. Comment
  HSC56738  Arnica discoidea Gilbert Muth 1979-7-18 8398 Trinity Near Deep Hollow Creek, close to the town of Mad River 1067 Comment
  RSA211218  Arnica discoidea William J. Ferlatte 1966-5-2 63 Trinity Canyon Creek, above McKay Camp 1524 Comment
  UCD129153  Arnica mollis Joseph M. DiTomaso 1976-7-7 594 Trinity 0.5 mile below Horseshoe Lake on Swift Creek Trail. 1828 Comment
  HSC18888  Arnica mollis William J. Ferlatte, Alice Q. Howard 1970-8-10 1295 Trinity Ridge west of upper Canyon Creek 2363 Comment
  UC1199249  Arnica ovata Joseph P. Tracy 1935-8-7 14624 Trinity at head of White's Creek Devil's Canyon Mts., White's Creek 2072 Comment
  UCR73172  Arnica venosa G. Fred Hrusa 1992-5-30 10440 Trinity slopes above Scorpion Crk, c. 0.5 mi. from Hwy 3, along rd to Bonanza King lookout Comment
  UCD129148  Arnica viscosa William J. Ferlatte; Alice Q. Howard 1970-8-9 1286 Trinity Boulder Creek Lakes. At west end of lower lake. 1798 Comment
  CAS-BOT-BC453349  Aruncus dioicus var. vulgaris H. M. Pollard 1953-8-24 s.n. Trinity Banks of Stuart Creek, Trinity Alps Resort 762 Comment
  CAS-BOT-BC453350  Aruncus dioicus var. vulgaris Doris Kildale 1931-5-17 10932 Trinity Hawkins Bay 182 Comment
  SD26787  Aruncus sylvester Paul Covel 1937-7-14 Trinity East fork Trinity river near Willow Creek Camp (Arcata - Weaverville highway) Comment
  CHSC30164  Asarum caudatum M. S. Taylor 1980-6-30 2998 Trinity S side of 34N27, ca. 0.4 mi w of its jct with rd to Tannery Gulch Campground, and Hwy 3, ca. 21 mi ne of Weaverville. 792 Comment
  CHSC71017  Asarum caudatum Vernon Oswald; Lowell Ahart 1998-5-14 9070 Trinity Wildwood Rd. 6.7 mi north of Hwy. 36, 1/4 mi north of Gemmill Gulch Picnic Area. 1024 Comment
  JEPS94221  Asarum caudatum Vernon Oswald and Lowell Ahart 1998-5-14 9070 Trinity 1.4 mi n of Gemmill Gulch Picnic Area (Wildwood Road 6.7 mi n of Highway 36); Wildwood Road 1024 Comment
  RSA48614  Asarum hartwegii P. A. Munz 1949-5-15 13223 Trinity Ripstein Public Campground, Canyon Creek, Dedrick. 976 Comment
  SEINET6811565  Asarum hartwegii Unknown 1993-7-14 3274 Trinity 11 road miles NE of Weaverville; Weaverville; 11 road miles NE of Comment
  HSC25981  Asclepias cordifolia Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-21 1944 Trinity S of Brown's Canyon Campground Comment
  HSC56837  Asclepias cordifolia Walter Overton 1979-7-18 8709 Trinity Near Horse Ridge, close to the town of Mad River 1219 Comment
  HSC71509  Asclepias cordifolia M. A. Baker 1980-7-1 2527 Trinity Near Hayden Roughs. 1402 Comment
  HSC3297  Asclepias cordifolia W. R. Oxner 1966-5-16 28 Trinity In the Hayfork Burn, 3 mi. N of Hayfork. 1006 Comment
  CDA19934  Asclepias fascicularis Lockhart 2002-7-15 PDR 914644 Trinity Northern California; 1602 Timber Ridge Rd, Weaverville. 0 Comment
  HSC67299  Asclepias solanoana Thomas W. Nelson, Jane P. Nelson 1980-6-17 5515 Trinity Shasta-Trinity National Forest, across Salt Creek from Salt Creek Campground 915 Comment
  UC1299581  Asclepias solanoana Freed W. Hoffman 1948-7-16 2637 Trinity 10.3 mi sw Peanut; North Coast Ranges Comment
  CHSC122  Asclepias speciosa M. Underhill 1952-7-16 Trinity 304 Comment
  CAS-BOT-BC68791  Aspidotis densa Annie M. Alexander; Louise Kellogg 1948-8-24 5549 Trinity Trinity Mountains - Morris Meadow, Stuart Fork of Trinity River, trail above meadow. 1280 Comment
  CAS-BOT-BC68794  Aspidotis densa John Thomas Howell 1955-6-13 30365 Trinity Peanut 762 Comment
  CHSC30994  Aspidotis densa M. S. Taylor 1980-7-15 3129 Trinity Canyon Creek Trail, between Upper McKay camp and the waterfall. Ca. 12.1 mi n of Junction City on Hwy 299. 1371 Comment
  HSC67282  Aspidotis densa Thomas W. Nelson, Jane Nelson 1980-6-17 5498 Trinity Shasta-Trinity National Forest, along Salt Creek Rd. at junction with FS Rd. 30N24 945 Comment
  HSC70162  Aspidotis densa Thomas W. Nelson, Jane Nelson 1978-7-21 4426 Trinity Along Hwy. 3, 1/4 mi. S of Salt Creek Bridge 762 Comment
  HSC71682  Aspidotis densa M. A. Baker 1980-6-25 2374 Trinity Near Castle Rock 1280 Comment
  HSC81639  Aspidotis densa Thomas W. Nelson, Jane Nelson 1980-7-17 6120 Trinity Along FS Rd. 17 at summit at county line 2073 Comment
  JEPS24826  Aspidotis densa Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6842 Trinity s slope Scott Mt 1889 Comment
  RSA134905  Aspidotis densa P. C. Everett, E. K. Balls 1959-10-23 23929 Trinity 3.7 miles north from Eagle Creek F. S. Camp along road to Callaban 915 Comment
  UC922656  Aspidotis densa Annie M. Alexander and Louise Kellogg 1948-8-24 5549 Trinity trail above Morris Meadow (Stuart Fork of Trinity River); Trinity Mts 1280 Comment
  CDA42729  Aspidotis densa G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-19 2691 Trinity At junction of Rattlesnake and Plummer Lookout Roads, 1.6 km west-southwest of Peanut (Highway 3) at Salt Creek bridge; Philpot Creek drainage. Comment
  RSA67657  Aspidotis densa P. A. Munz 1951-7-18 16654 Trinity Trail from Grasshopper Public Camp to Stuart Gap, north base. 1433 Comment
  RSA67261  Aster brickellioides Philip A. Munz 1951-7-18 16613 Trinity N slope of N Yolla Bolly Peak, North Yolla Bolly Mountains. 1982 Comment
  RSA67517  Aster occidentalis var. occidentalis Philip A. Munz 1951-7-20 16729 Trinity near Black Rock Lake; North Yolla Bolly Mts. 1982 Comment
  HSC39518  Astragalus purshii var. lectulus Thomas W. Nelson, James Nelson 1976-6-10 2661 Trinity Ridge above Senteney Rock 1555 Comment
  HSC14597  Astragalus whitneyi var. siskiyouensis William J. Ferlatte, B. D. Rodgers 1966-6-7 2075 Trinity 1 mi. W of Peanut 762 Comment
  HSC38955  Astragalus whitneyi var. siskiyouensis J. P. Smith, J. O. Sawyer 1975-6-23 8273 Trinity Across from entrance to Philpot Campground, on the Peanut to Forest Glenn Rd. 884 Comment
  HSC68859  Astragalus whitneyi var. siskiyouensis Thomas W. Nelson, Jane P. Nelson 1980-6-22 5726 Trinity Shasta-Trinity National Forest, along Hwy. 36 on ridge between Salt Creek and Muldoon Gulch, 2.5 mi. W of junction with FS Rd. 30 1311 Comment
  JEPS24823  Astragalus whitneyi var. siskiyouensis Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6839 Trinity s slope Scott Mountain; s slope Scott Mountain 1889 Comment
  RSA107435  Astragalus whitneyi var. siskiyouensis L. S. Rose 1955-6-13 55079 Trinity 1 mile SW of Peanut. 762 Comment
  UCD105508  Astragalus whitneyi var. siskiyouensis Thomas W. Nelson; Jane P. Nelson 1980-6-17 5469 Trinity Shasta-Trinity National Forest. Along Old State Route 36 ca. 1 mile west of with State Route 3 near Peanut. 792 Comment
  HSC56736  Asyneuma prenanthoides Gilbert Muth 1979-7-18 8391 Trinity Near Deep Hollow Creek, close to the town of Mad River 1067 Comment
  CAS-BOT-BC66158  Athyrium filix-femina var. cyclosorum G. R. Kleeberger 1880-8-21 s.n. Trinity along Hogs Creek, Weaverville Comment
  HSC26811  Athysanus pusillus Thomas W. Nelson 1971-4-24 409 Trinity Along New River Trail Comment
  HSC48891  Athysanus pusillus J. P. Smith, V. Rumble, E. Rumble 1977-4-30 9046 Trinity Shasta-Trinity National Forest, Philpot Campground and Philpot Creek 793 Comment
  HSC44082  Athysanus pusillus Thomas W. Nelson, Jane P. Nelson 1977-4-24 3353 Trinity Along USFS Rd. 5E27, N of junction with Rd. 1S07 1524 Comment
  HSC27539  Avena fatua J. P. Smith 1973-4-7 5955 Trinity New River Trail from Grays Falls Campground, on the N side of the Trinity River and W side of the New River. 244 Comment
  UC302290  Baccharis pilularis Joseph P. Tracy 1926-10-7 7808 Trinity Hennessey Road, leading up to South Fork of Trinity River Northern Coast Ranges, South Fork of Trinity River 609 Comment
  JEPS109956  Balsamorhiza Dean W. Taylor 2005-5-25 19323 Trinity Meter Meadow; Highway 3 about 16 miles North of Trinity Center, 1 mile South of Graves Creek 1965 Comment
  CHSC8160  Balsamorhiza deltoidea D. McClain 1969-3-29 85 Trinity Road bank, 10 ft. up along Hyampom-Hayfork Rd., 1 mi. from Hayfork. 914 Comment
  HSC28790  Balsamorhiza deltoidea J. P. Smith 1973-4-21 6315 Trinity Along Coffee Creek Rd. leading to Coffee Creek Ranch. 610 Comment
  HSC42393  Balsamorhiza deltoidea Richard Runyon 1977-7-17 Trinity Philpot Campground, 1.2 mi. W of Peanut 762 Comment
  HSC82617  Balsamorhiza deltoidea Thomas W. Nelson 1979-5-13 4655 Trinity Along Rd. from SR 3 to Deerlick Springs 2 mi. S of Blanchard Flats. 640 Comment
  HSC34184  Barbarea orthoceras J. P. Smith, J. O. Sawyer 1973-7-4 7094 Trinity Trail 11W26 from Rd. 80 between Dubakella and S Dubakella Mtn. 1524 Comment
  HSC43324  Barbarea orthoceras K. Irwin 1977-7-17 328 Trinity Philpot Campground 1.2 mi. W of Peanut 762 Comment
  HSC90964  Barbarea orthoceras Jennifer Whipple 1976-6-22 1088 Trinity N of Lower Deadfall and Deadfall Lakes along the creek draining the upper Deadfall Lakes 2165 Comment
  HSC4748  Berberis aquifolium var. aquifolium William J. Ferlatte 1967-6-6 500 Trinity Big Flat 1524 Comment
  HSC72901  Berberis aquifolium var. repens Gail Newton 1980-7-1 765 Trinity Near Hayden Roughs. 1250 Comment
  UC472303  Berberis nervosa H. S. Yates 1914-6-19 447 Trinity Rush Creek; Buckeye Mts 1036 Comment
Read comments
Jul 10 2007
  CAS-BOT-BC75776  Berberis pinnata Carl B. Wolf 1941-2-27 9966 Trinity Trinity Mountain Region. Bell Creek on road from Hawkins Bar to Denny. 609 Comment
  CAS-BOT-BC75950  Berberis piperiana L. B. Kildale 1931-8-30 s.n. Trinity New River road 7 miles east of Irving Junction. Comment
  JEPS53112  Boechera W. L. Jepson 1897-7-24 13342 Trinity South Yollo Bolly; ; [=modern Solomon Peak, see FB 1_107] Comment
  RSA0025603  Boechera acutina Thomas Stoughton, Mark Thom 2012-7-16 1643 Trinity Trinity Alps, Trinity Alps Wilderness, On ridge between Lake Anna and Billy Be Damned' Lake 2382 Comment
  CHSC31147  Boechera breweri M. S. Taylor 1980-6-11 2837 Trinity N side of Hwy 299, ca. 4 mi w of Del Loma. 396 Comment
  CAS-BOT-BC65372  Boechera pinetorum R. C. Wenk 2005-6-18 183 Trinity Coffee Creek, Big Flat Meadow. At north end of meadow. 1524 Comment
  CAS-BOT-BC25436  Boechera retrofracta R. C. Wenk 2005-7-16 240 Trinity Coffee Creek, Big Flat Meadow. To the northwest of the Gates cabin at the north end of Big Flat Meadow. 1554 Comment
  CHSC71028  Boechera retrofracta Vernon Oswald; Lowell Ahart 1998-5-14 9081 Trinity Wildwood Rd. ca. 3 mi south of Hwy. 3 at the bridge over Hayfork Creek. 762 Comment
  CAS-BOT-BC25442  Boechera retrofracta Barbe 1957-7-13 386 Trinity Road leading from Big Flat Camp to Salmon-Trinity Alps Wilderness Area. 1524 Comment
  CAS-BOT-BC27210  Boechera rigidissima Joseph Prince Tracy 1935-8-3 14469 Trinity Mary Blaine Mt. 1950 Comment
  UC562681  Boechera rigidissima Joseph P. Tracy 1935-8-3 14469 Trinity Mary Blaine Mt. 1950 Comment
  CAS-BOT-BC410932  Boechera sparsiflora James R. Shevock 1972-3-26 1456 Trinity Trinity River Basin, Shasta-Trinity National Forest. Along Highway 299 above the Trinity River at Logan Gulch just west of junction to Helena and west of Pigeon Point Campground 426 Comment
  UC184653  Boykinia major Harry S. Yates 1914-6-29 466 Trinity Upper Rush Creek Comment
  RSA285714  Boykinia occidentalis D. C. Michener 1980-7-31 3756 Trinity Along the New River ca. 0.5 miles below Denny Comment
  SD112384  Brickellia californica Darley F. Howe 1959-8-4 2791 Trinity Highway 299, 10.5 miles west of Weaverville 455 Comment
  HSC71681  Brickellia grandiflora M. A. Baker 1980-6-25 2377 Trinity Near Castle Rock 1280 Comment
  HSC78357  Brickellia grandiflora John S. Palmer 1974-9-15 276 Trinity Bear Lakes area; SW of Big Bear Lake 1860 Comment
  HSC70157  Brickellia greenei Thomas W. Nelson, Jane P. Nelson 1978-7-21 4427 Trinity Along Hwy. 36, 3 mi. from junction with Mad River-Wildwood FS Rd. Comment
  UC2062595  Brickellia greenei Belinda Lo with Alex Randolph-Lowe 2017-7-15 358 Trinity TRINITY COUNTY: Shasta-Trinity National Forest, Trinity Alps Wilderness, ridge south of Mosquito Hollow. Comment
  RSA211495  Brickellia greenei William J. Ferlatte 1967-8-7 842 Trinity Canyon Creek Lakes 1646 Comment
  UCD139103  Brodiaea crocea Joseph M. DiTomaso 1975-7-21 157 Trinity Trinity Alps, 3 miles short of Boulder Lake on Poison Canyon Trail. 1706 Comment
  HSC44924  Brodiaea elegans subsp. elegans J. P. Smith, J. O. Sawyer 1975-6-22 8224 Trinity FS 30N38 from SR 36 to Cold Springs Campground 762 Comment
  UCR3581  Brodiaea elegans subsp. elegans Frank C. Vasek 1964-8-5 640805- 02 Trinity Stuart Gap, just west of Co. line 1516 Comment
  UCR6072  Brodiaea elegans subsp. elegans Frank C. Vasek 1966-7-12 660712- 06 Trinity North Coast Range, Mendocino National Forest, c. 28 mi NNE of Eel River along Soldiers Ridge, 2 miles east of Indian Dick Guard Station 1677 Comment
  UC722545  Bromus carinatus var. carinatus C. L. Hitchcock, J. S. Martin 1939-7-12 5360 Trinity 10 mi n of Dedrick (just below lower Canyon Creek meadow); Salmon-Trinity Alps 1676 Comment
  SEINET3921877  Bromus carinatus var. carinatus Jennifer J. Whipple 1977-7-7 1957 Trinity China Mountain quad. Near Lower Deadfall Lake.; 0 2164 Comment
  HSC67437  Bromus carinatus var. marginatus Ed Cope, John Palmer Jul 1977 538 Trinity South of trail to Granite Lake. 1280 Comment
  HSC72590  Bromus diandrus Gail Newton 1980-7-1 815 Trinity Near Hayden Roughs. 1250 Comment
  HSC73906  Bromus diandrus R. York 1980-5-24 671 Trinity Near Long Ridge. 1036 Comment
  RSA10037  Bromus diandrus Joseph P. Tracy 1932-6-17 10219 Trinity Three Forks of Mad River. 884 Comment
  HSC23588  Bromus hordeaceus J. O. Sawyer, Steve Selva 1970-5-2 2563 Trinity Above New River 244 Comment
  HSC74244  Bromus hordeaceus M. A. Baker 1980-7-10 2767 Trinity Near Senteney Rock 1554 Comment
  UC192368  Bromus laevipes Harry S. Yates 1914-1 385 Trinity Browns Mountain Comment
  UC526927  Bromus madritensis subsp. rubens Joseph P. Tracy 1932-6-17 10215 Trinity North Coast Ranges, Three Forks of Mad River Mad River; North Coast Ranges, Mad River 883 Comment
  UC192371  Bromus racemosus Harry S. Yates 1914-5-17 284 Trinity near Weaverville 640 Comment
  HSC84303  Bromus suksdorfii J. P. Smith, Thomas W. Nelson 1982-5-14 10412 Trinity Big Bar Campground 457 Comment
  CAS-BOT-BC185586  Bromus tectorum John Thomas Howell 1955-6-13 30352 Trinity Hayfork Mountain summit on road from Douglas City to Hayfork. 1097 Comment
  CAS-BOT-BC185589  Bromus tectorum Eugene Carter 1972-6-20 440 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity. (18 miles northwest of Weaverville). Hobo Gulch Helispot. 914 Comment
  CHSC6738  Bromus tectorum R. Jaegel 1968-5-4 Trinity Two mi n of hwy. 3 ib Barber Creek R. 701 Comment
  HSC73291  Bromus tectorum M. A. Baker 1980-7-13 2888 Trinity Near Red Rock 1585 Comment
  UC249785  Bromus tectorum Joseph P. Tracy 1923-6-30 6469 Trinity Northern Coast Ranges, Hay Fork Valley Hay Fork Valley; Northern Coast Ranges, Hay Fork Valley 792 Comment
  HSC71115  Cacaliopsis nardosmia M. A. Baker 1980-5-23 1447 Trinity Near Tierney Canyon 975 Comment
  JEPS94233  Cacaliopsis nardosmia Vernon Oswald and Lowell Ahart 1998-5-14 9076 Trinity Wildwood Road 8.7 mi n of Highway 36 (3 mi s of the East Fork Road into the Chanchelulla Wilderness Area); Chanchelulla Wilderness Area, Wildwood Road 960 Comment
  CAS-BOT-BC227825  Cacaliopsis nardosmia Eugene Carter 1974-5-27 750 Trinity Salmon-Trinity Alps and vicinity. Along the Northfork [North Fork] Trail at north end of Pfeiffer Pflat [Flat] 1066 Comment
  UCD129651  Cacaliopsis nardosmia Alfred H. Murphy 1957-7-24 57 Y Trinity head of Cedar Creek, south of Mount Eddy, Shasta National Forest, Siskiyou-Trinity Border. 2225 Comment
  JEPS77657  Calamagrostis breweri William J. Ferlatte 1977-8-24 1899 Trinity basin w. Morris Lake; Trinity Alps, Stuart Fork drainage 2350 Comment
Read comments
Feb 23 2012
  CAS-BOT-BC185339  Calamagrostis canadensis Annie M. Alexander; Louise Kellogg 1948-8-17 5497 Trinity Trinity Mountains. East Fork Canyon Creek Lake. South side of lake. 1752 Comment
  HSC40326  Calamagrostis koelerioides Thomas W. Nelson, Jane P. Nelson 1976-8-4 3158 Trinity Along ridge E of Red Lassic, between N and S forks of Black Lassic Creek 1646 Comment
  HSC78303  Calamagrostis koelerioides John S. Palmer 1974-9-14 264 Trinity Bear Lakes Area 1677 Comment
  HSC78782  Calamagrostis koelerioides John S. Palmer 1975-7-27 424 Trinity Bear Lakes Area, near Bear Creek 1738 Comment
  UC552722  Calamagrostis koelerioides Joseph P. Tracy 1935-8-3 14470 Trinity Mary Blaine Mt. 1950 Comment
  HSC26696  Calamagrostis koelerioides William J. Ferlatte 1972-8-7 1420 Trinity Boulder Creek Lakes, E side of basin 1768 Comment
  CAS-BOT-BC84070  Calliscirpus criniger Joseph P. Tracy 1935-8-7 14601 Trinity Devil's Canyon Mts., at head of White's Creek 2072 Comment
  SEINET7584068 Image available Calliscirpus criniger R. Tallent 1987-8-14 927 Trinity Trinity Alps Wilderness, off Landers Crk. 1975 Comment
  CAS-BOT-BC85702  Calocedrus decurrens L. B. Kildale 1930-10-19 10309 Trinity Trinity River at Big Bar Comment
  HSC56588  Calocedrus decurrens G. L. Clifton 1979-7-16 7922 Trinity Near S Fork Mtn., close to the town of Mad River 1720 Comment
  HSC59949  Calocedrus decurrens M. A. Ericksen 1979-6-22 344 Trinity Horsehead Mtn. 1784 Comment
  HSC70424  Calocedrus decurrens Gail Newton 1980-7-3 1051 Trinity Near Horsehead Mtn. 1707 Comment
  CHSC42216  Calochortus amabilis Valerie Bryant 1986-4-12 20 Trinity From Humboldt Base Line. 822 Comment
  UC667130  Calochortus coeruleus Joseph P. Tracy 1933-7-16 12761 Trinity near head of 8-mile Ridge; Northern Coast Ranges, South Fork Mountain 1645 Comment
  UCD170746  Calochortus coeruleus 1983-5-31 30 Trinity 4.4 mi on Forest Service Rd. Running along Swift Creek, Shasta-Trinity National Forest; E of Hwy 3. Right along Road. 914 Comment
  CAS-BOT-BC492710  Calochortus nudus Ella Dales Cantelow 1940-7-13 3968 Trinity Scott Mt. summit 1630 Comment
  HSC34715  Calochortus tolmiei Robert M. Specht 1975-5-16 189 Trinity Trails above the Trinity River at Grays Falls Campground 310 Comment
  HSC49042  Calochortus tolmiei Patricia Shesgreen 1978-5-13 76 Trinity Philpot Campground 793 Comment
  HSC49259  Calochortus tolmiei J. P. Smith, J. O. Sawyer, Thomas W. Nelson 1978-5-7 9911 Trinity Blue Ridge on FS 34N07Y 1098 Comment
  HSC67329  Calochortus tolmiei Thomas W. Nelson 1980-5-30 5393 Trinity Shasta-Trinity National Forest, along FS Rd. 4N25 (Clark Creek Loop) at junction with FS Rd. 4N25C, 2 mi. S of junction with Rd. 60 (Underwood Mtn. Rd.) 1067 Comment
  HSC67425  Calochortus tolmiei Thomas W. Nelson, Jane P. Nelson 1980-5-25 5319 Trinity Along Covelo-Zenia Rd. 1.5 mi. S of junction with Zenia-Van Duzen River Rd. 976 Comment
  HSC70176  Calochortus tolmiei Thomas W. Nelson 1978-6-22 4312 Trinity Along branch rd. off Dubakella Rd. 2 mi. from jct. with Red Mtn. Motorway 1555 Comment
  HSC71556  Calochortus tolmiei M. A. Baker 1980-7-2 2680 Trinity Near Horsehead Mtn. 1737 Comment
  RSA116077  Calochortus tolmiei E. K. Balls, Lee W. Lenz 1955-5-14 20727 Trinity 5.2 miles west of Shasta-Trinity County line, U.S. Highway 299, Reading to Weaverville 732 Comment
  UCD101224  Caltha leptosepala Daniel Sanchez-Mata; Tomas Santamaria 2004-8-10 s.n. Trinity Mount Eddy from Stewart Springs Road (Weed). Lower Deadfall Lake at the base of Mount Eddy. 2220 Comment
  UCD95567  Caltha leptosepala Joseph M. DiTomaso 1976-7-6 568 Trinity Trinity Alps. Mumford Meadows on Swift Creek Trail. 1645 Comment
  JEPS20201  Calycadenia truncata Joseph P. Tracy 1923-6-29 6426 Trinity Big Bar Northern Coast Ranges 365 Comment
  BLMAR135  Calypso bulbosa Jennifer Anthony-Wheeler 1996-4-5 135 Trinity N. Dobbyn creek 1005 Comment
  HSC82010  Calyptridium monospermum Thomas W. Nelson, Jane P. Nelson 1979-6-15 4843 Trinity Mouth of Bear Creek 915 Comment
  HSC92941  Calyptridium monospermum Jennifer Whipple 1977-7-6 1935 Trinity Near Upper Deadfall Lakes 2317 Comment
  HSC75564  Calyptridium umbellatum John S. Palmer 1973-6-17 8 Trinity Bear Lakes area, below Big Bear Lake 1707 Comment
  HSC92976  Calyptridium umbellatum Jennifer Whipple 1977-7-22 2058 Trinity Deadfall Creek Drainage 2348 Comment
  SEINET200996  Calystegia Joseph P. Tracy 1941-8-24 17027 Trinity South Fork Mountain 1646 Comment
  CAS-BOT-BC221264  Calystegia malacophylla subsp. malacophylla Alice Eastwood; John Thomas Howell 1937-6-25 4902 Trinity Trinity Alps Resort Comment
  CAS-BOT-BC221267  Calystegia malacophylla subsp. malacophylla Eugene Carter 1968-6-22 174 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity. (18 mi. NW of Weaverville.) 2 1/2 mi. up Morrison Gulch Trail 1524 Comment
  HSC70432  Calystegia occidentalis subsp. occidentalis Gail Newton 1980-7-3 989 Trinity Near Horsehead Mtn. 1753 Comment
  UCR39777  Camassia leichtlinii subsp. suksdorfii Michelle A. Strull, L. Linstedt, C. Houseman 1984-5-12 23 Trinity Philpot [Cold Springs] Campground 979 Comment
  HSC69981  Camassia quamash subsp. linearis Thomas W. Nelson, Jane P. Nelson 1978-6-22 4296 Trinity Along Dubakella Rd., 4.8 mi. from junction with Hwy. 36 1527 Comment
  SEINET10462977  Campanula prenanthoides Overton 1979-7-17 OVERTON 8144 Trinity Near Horse Ridge, on the Kettenpom quadrangle, close to the town of Mad River, gravelly soil. 1356 Comment
  SEINET10840313  Campanula prenanthoides Overton 1979-7-18 OVERTON 8716 Trinity Near Horse Ridge, on the Kettenpom quadrangle, close to the town of Mad River, Basalt/Andesite soil. 1036 Comment
  SEINET202288 Image available Campanula prenanthoides Francia Chisaki, Helen Sharsmith 1959-8-21 4748 Trinity 10 miles from Hawkins Bar on road to Denny New River drainage. 762 Comment
  UC1212571  Campanula prenanthoides Francia Chisaki and Helen Sharsmith 1959-8-21 4748 Trinity on road to Denny 10 mi from Hawkins Bar; New River drainage 762 Comment
  UCR4802  Campanula prenanthoides Eugene Cardiff 1966-7-23 s.n. Trinity North Coast Range, Salmon Mountains, Big Flat Camp 400 Comment
  SEINET10939034  Campanula prenanthoides Alice Eastwood 1921-7-22 Eastwood 10709 Trinity Near Lewiston Comment
  CHSC63506  Campanula rotundifolia Vernon H. Oswald 1994-8-1 6430 Trinity Forest Rd. 40N45 at Bear Creek, 1.8 mi S of Forest Rd. 17, ca. 2.5 mi (air) W of Mt. Eddy. 1889 Comment
  SEINET10463369  Campanula scabrella Nancy R. Morin, J. Richards 1981-7-21 Morin 316 Trinity Rocky ridge above Deadfall Lakes. T 40N, R 5W, Sec. 18. 8400 Comment
  SEINET10463489  Campanula scouleri Mason 1950-7-15 Mason 14059 Trinity SUMMIT OF GRADE, SCOTT MTN. HILLSLOPES Comment
  HSC28799  Capsella bursa-pastoris J. P. Smith 1973-4-21 6325 Trinity Along Coffee Creek Rd. leading to Coffee Creek Ranch. 610 Comment
  HSC26802  Cardamine californica Thomas W. Nelson 1971-4-25 414 Trinity Grays Falls Campground Comment
  HSC64047  Cardamine californica J. P. Smith, J. O. Sawyer 1973-4-15 6105 Trinity Bridge Camp along Stewart Fork 945 Comment
  JEPS77446  Cardamine californica var. integrifolia William J. Ferlatte 1976-5-19 1761 Trinity Canyon of Coffee Creek between Union Creek and Chinkhollow Creek (Trinity Alps); , Canyon of Coffee Cr, Chinkhollow Cr, Union Cr 1219 Comment
  CAS-BOT-BC38044  Cardamine oligosperma Eugene Carter 1975-6-29 1025 Trinity North Fork Trinity River. Hobo Gulch. 868 Comment
  UCD114544  Cardamine oligosperma D. C. Hagar 1957-5-14 63 Trinity Grays Flat, 5 miles southeast of Salyer. 304 Comment
  CAS-BOT-BC20304  Carex abrupta R. Tallent 1987-8-15 933 Trinity Trinity Alps Wilderness. Small pond across ridge northwest of Landers Lake. 2171 Comment
  SEINET7548186 Image available Carex abrupta Ray Tallent 1987-8-15 933 Trinity Trinity Alps Wilderness, small pond across ridge NW of Landers Lake 2171 Comment
  CAS-BOT-BC20301  Carex abrupta Philip Alexander Munz 1951-7-18 16678 Trinity Trinity-Tehama County line. North slope of Yolla Bolly Peak. 1950 Comment
  CHSC43071  Carex amplifolia L. P. Janeway 1984-6-23 888 Trinity Above East Fork Stuart Fork. Upper slope near crest. 1158 Comment
  UCD140088  Carex amplifolia Dean Wm. Taylor; Kathleen A. Teare 1979-9-10 7670 Trinity Trimble Spring, headwaters of Manzanita Creek near Big Bar. 1264 Comment
  RSA66650  Carex aurea Phillip A. Munz 1951-7-17 16617 Trinity Grasshopper Public Camp, 2.5 mi NW of Stuart Gap, North Yolla Bolly Mtns. 1433 Comment
  CAS-BOT-BC19573  Carex bolanderi H. M. Pollard 1953-8-20 s.n. Trinity Red Mountain Trail. At stream-crossing north of Trinity Alps Resort. Comment
  UCD140169  Carex bolanderi Dean Wm. Taylor; Kathleen A. Teare 1979-9-10 7684 Trinity Trimble Spring, headwaters of Manzanita Creek near Big Bar. 1264 Comment
  CAS-BOT-BC19671  Carex brainerdii John Thomas Howell 1937-7-25 13504 Trinity Stuarts Fork of Trinity River. 2225 Comment
  CAS-BOT-BC19674  Carex brainerdii L. P. Janeway 1984-6-23 891 Trinity North facing slope above East Fork Stuart Fork. Upper slope near crest. 1158 Comment
  CHSC53571  Carex brainerdii L. P. Janeway 1984-6-23 891 Trinity N-facing slope above East Fork Stuart Fork; upper slope near crest. 1158 Comment
  SEINET10752406  Carex brainerdii Lawrence P. Janeway 1984-6-23 Janeway 891 Trinity Trinity Dam quad (15') T35N, R8W, SW1/4 of sec. 6. N-facing slope above East Fork Stuart Fork; upper slope near crest. 1158 Comment
  SEINET7552660 Image available Carex brainerdii John Thomas Howell 1937-7-25 s.n. Trinity Stuarts Fork of Trinity River 2225 Comment
  UCD140188  Carex buxbaumii Dean Wm. Taylor 1979-9-14 7724 Trinity Silver Spring. 1127 Comment
  UC1511523  Carex concinnoides Bud Adamson and Bill Ferlatte 1984-7-12 Trinity take E Fork Staurts Fork Rd. (35N23Y) from N to 0.4 mi beyond crossing of E fork, turn left on Rd.35N24Y, take left loop of this ca. 0.5 mi USDA Forest Service Plot 39A 1097 Comment
  UC709323  Carex densa Joseph P. Tracy 1941-6-29 16938 Trinity Hettenshaw Valley 944 Comment
  CAS-BOT-BC20059  Carex echinata Mrs. H. C. Cantelow 1936-5-22 s.n. Trinity Scott Ranch, 3 miles from Trinity Center. Comment
  HSC103419  Carex echinata subsp. echinata Juha Pykala, D. H. Norris 1987-7-6 2309 Trinity Shasta National Forest, Mt. Eddy, W side of Deadfall Creek Meadow 1921 Comment
  CHSC98347  Carex feta Thomas W. Nelson; Jane P. Nelson 1982-6-19 7054 Trinity North Coast Ranges. Junction Forest Service Road 1S07 and county road. 701 Comment
  HSC39305  Carex feta D. E. Anderson, D. Santana, J. Lackey 1971-7-15 5283 Trinity Open clearing on FS 1S07, 0.8 mi. W of its junction with FS 1S11 Comment
  CAS-BOT-BC227809  Carex fracta Eugene Carter 1974-6-13 823 Trinity Salmon-Trinity Alps and vicinity. Along the Grizzly Creek Trail 1054 Comment
  SEINET10650693  Carex fracta Thomas W. Nelson, Jane P. Nelson 1978-7-24 Nelson 4487 Trinity Weaverville Quad. T31N, R8W, Sec. 10. Along road to Bully Choop 100 m north of junction with road to lookout. Granites. White fir forest 1768 Comment
  CHSC117393  Carex gigas Dean Wm. Taylor 2002-6-12 18139 Trinity Meadow along logging road ca. 0.5 miles south of Lake Eleanor, ca. 8 air miles NW of Trinity Center. 1432 Comment
  CDA33080  Carex gigas G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2757 Trinity North of Trinity Center, south side of Trinity River, west of Highway 3, 0.4 mile north of Coffee Creek Road Comment
  SEINET3901433  Carex hassei Barbara L. Wilson, Keli Kuykendall; Julie Nelson 2001-7-11 10567 Trinity Shasta-Trinity National Forest; on Forest Service Road 26, 21.2 miles from intersection with Forest Service Road 25.; 0 1829 Comment
  UC906719  Carex hoodii Harold E. Parks and Joseph P. Tracy 1947-6-27 11632 Trinity Cold Springs South Fork Mountain 1645 Comment
  JEPS111451  Carex integra Barbara Wilson with Keli Kuykendall, Julie Nelson, Bruce Newhouse 2001-7-12 10582 Trinity Deadfall Creek Meadow Shasta-Trinity National Forest (1.3 miles south of Parks Creek Summit on Forest Service Road 17) 1950 Comment
  HSC38995  Carex lanuginosa J. O. Sawyer, Kevin Sawyer, J. P. Smith 1974-6-29 2667 Trinity Gipson Meadows, along trail to Granite Lake 1951 Comment
  RSA211356  Carex lenticularis var. lipocarpa William J. Ferlatte 1966-8-23 467 Trinity Trinity Alps: Boulder Creek basin, tributary to Canyon Creek. 1707 Comment
  CAS-BOT-BC21126  Carex leptalea Mrs. H. C. Cantelow 1936-5-22 1278 Trinity Picnic Ground Bog near Trinity Center. Comment
  CHSC98567  Carex luzulina Thomas W. Nelson; Jane P. Nelson 1983-7-25 7526 Trinity In and around Scott Mountain Campground. 1645 Comment
  HSC99659  Carex luzulina Jennifer Whipple 1977-8-3 2125 Trinity N of Lower Deadfall and Deadfall Lakes along the creek draining the upper Deadfall Lakes. 2165 Comment
  RSA66637  Carex luzulina Phillip A. Munz 1951-7-21 16802 Trinity S slope of North Yolla Bolly Peak 2271 Comment
  CAS-BOT-BC31553  Carex luzulina var. luzulina P. A. Munz 1951-7-21 16752 Trinity Head of Patty John Basin, North Yolla Bolly Mts. 2072 Comment
  CAS-BOT-BC31557  Carex luzulina var. luzulina Joseph Prince Tracy 1935-8-6 14661 Trinity In meadow along streamlet, Devil's Canyon Mts., Around White's Creek Lake, 1950 Comment
  CHSC110881  Carex mendocinensis L. P. Janeway 2006-7-4 8801 Trinity Klamath Ranges. Scott Mountains; along Hwy 3, 3.9 road km southeast of Scott Mountain Summit, on east side of Dan Rice Creek. 1372 Comment
  CAS-BOT-BC31820  Carex mendocinensis Mrs. H. C. Cantelow 1936-8-24 1593 Trinity Scott Mt. Creek, ca 4 mi S of Summit. Streamlet 1615 Comment
  CAS-BOT-BC539694  Carex mendocinensis John Thomas Howell 1936-8-26 12822 Trinity Near jct of Tangle Blue and Scott Mt. creeks, Scott Mountains Comment
  HSC45557  Carex multicaulis J. P. Smith 1973-4-21 6192 Trinity Above Eagle Creek Loop, N of the Eagle Creek Campground. 854 Comment
  CAS-BOT-BC32015  Carex multicaulis Joseph Prince Tracy 1942-7-3 17396 Trinity Van Duzin River, halfway between Kuntz and Hettenshaw. 975 Comment
  CAS-BOT-BC32022  Carex multicaulis John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-20 53502 Trinity Ca 6 mi SW of Trinity Center on road to Weaverville. 883 Comment
  HSC43479  Carex multicostata Thomas W. Nelson, Jane P. Nelson 1977-6-19 3474 Trinity Creek bed S of Senteney Rock 1524 Comment
  HSC78773  Carex multicostata John S. Palmer 1976-7-13 490 Trinity N side ridge at head of Horse Creek 1982 Comment
  CAS-BOT-BC119729  Carex nebrascensis T. W. Nelson; J. P. Nelson 1979-7-7 4978 Trinity Trinity Dam Quad. Along Davis Creek; west side of State Route 3. 792 Comment
  HSC44037  Carex nervina Thomas W. Nelson, Jane P. Nelson 1976-6-22 2856 Trinity Trinity-Humboldt County line, in spring along road to Goat Hill 1646 Comment
  HSC12773  Carex nigricans William J. Ferlatte, Alice Q. Howard 1970-8-12 1310 Trinity Ridge W of upper Canyon Creek 2317 Comment
  HSC69999  Carex pachystachya Thomas W. Nelson, Jane P. Nelson 1978-6-21 4220 Trinity Along Trinity River flood plain, 100 m above the mouth of Indian Creek. 488 Comment
  HSC101013  Carex praticola John McRae 2012-7-25 15 Trinity Red Lassic Camp; Mad River Ranger District. From Hwy 36 take Rte 511 to 1S07. 1707 Comment
  CHSC107130  Carex scabriuscula R. E. Brainerd 2009-7-21 1524 Trinity Trinity Mountains, headwaters of Crow Creek in the East Fork Trinity river drainage, ca. 12 miles west-southwest of Dunsmuir. UTM Zone 10 540737E 4559207N. 1905 Comment
  HSC44016  Carex scabriuscula Thomas W. Nelson, Jane P. Nelson 1977-7-4 3624 Trinity Along N side of Mule Ridge 1524 Comment
  HSC45465  Carex scabriuscula Thomas W. Nelson, Jane P. Nelson 1978-7-2 4388 Trinity N side of Mule Ridge 1585 Comment
  HSC91193  Carex scabriuscula Jennifer Whipple 1977-8-3 2127 Trinity N of Lower Deadfall and Deadfall Lakes along the creek draining the upper Deadfall Lakes. 2165 Comment
  HSC91272  Carex scabriuscula Jennifer Whipple 1977-7-5 1924 Trinity N of Lower Deadfall and Deadfall Lakes along creek draining the upper Deadfall Lakes 2165 Comment
  SEINET7468108 Image available Carex scabriuscula Ray Tallent 1987-8-14 925 Trinity Trinity Alps Wilderness, just E of confluence of Sunrise and Landers Creeks. 1853 Comment
  JEPS111453  Carex scopulorum var. bracteosa Barbara Wilson with Keli Kuykendall, Julie Nelson, Bruce Newhouse 2001-7-12 10580 Trinity Deadfall Creek Meadow Shasta-Trinity National Forest (1.3 miles south of Parks Creek Summit on Forest Service road 17) 1950 Comment
  UC1511  Carex scopulorum var. bracteosa W. H. Brewer Sep 26 1862-Sep 28 1862 1458 Trinity near Weaverville; Yallo Balley Comment
  CAS-BOT-BC117677  Carex serratodens P. A. Munz 1951-7-17 16584 Trinity Grasshopper Public Camp. North Yolla Bolly Mts. 2.5 mi NW of Stuart Gap. 1432 Comment
  HSC103286  Carex serratodens John McRae 2013-8-24 Trinity Six Rivers National Forest, Sims Mtn. Quad, Hog Ranch - Underwood Mtn. 857 Comment
  CAS-BOT-BC117266  Carex spectabilis Joseph Prince Tracy 1935-8-6 14687 Trinity Devil's Canyon Mts. Around White's Creek Lake, head of N Fork of White's Creek. 1889 Comment
  CAS-BOT-BC117269  Carex spectabilis Joseph Prince Tracy 1935-8-7 14588 Trinity Devil's Canyon Mts., head of White's Creek. 2072 Comment
  HSC76787  Carex spectabilis John S. Palmer 1976-7-12 488 Trinity Bear Lakes Area, between Big Bear Lake and Little Bear Lake 1707 Comment
  CAS-BOT-BC117263  Carex spectabilis Philip Alexander Munz 1951-7-20 16731 Trinity Near Black Rock Lake, North Yolla Bolly Mts. 1981 Comment
  HSC76811  Carex spectabilis John S. Palmer 1976-7-11 478 Trinity NE of Little Bear Lake 1890 Comment
  CHSC110883  Carex subfusca L. P. Janeway; Mary Ann McCrary, Christy Wagner 2013-10-15 11210 Trinity Klamath Ranges. Hamilton Ranch/Lowden Ranch; 365 m south of Trinity River just east of the mouth of Grass Valley Creek; southwest end of Grass Valley. 536 Comment
  CHSC98371  Carex subfusca Thomas W. Nelson; Jane P. Nelson 1986-5-24 8079 Trinity North Coast Ranges. In wet aluvial soils beside Trinity River ca. 100 yds upstream from mouth of Indian Creek. 504 Comment
  SEINET4170164  Carex teneriformis Unknown 1942-7-3 17390 Trinity Near Kuntz, on Van Duzen River 792 Comment
  CAS-BOT-BC115175  Carex vesicaria John Thomas Howell 1937-7-30 13683 Trinity Summit of Scott Mts. N of Carrville. Comment
  HSC103627  Carex vesicaria Thomas W. Nelson, Jane Nelson 1980-8-22 6292 Trinity Eleanor Lake 1555 Comment
  HSC91284  Carex whitneyi Jennifer Whipple 1976-7-23 1503 Trinity Deadfall Creek drainage 2317 Comment
  CAS-BOT-BC59037  Cassiope mertensiana C. L. Hitchcock; J. S. Martin 1939-7-11 5395 Trinity South shore of Upper Canyon Creek Lake, 11 mi. north of Dedrick, Salmon-Trinity Mts. 2438 Comment
  UCD117341  Cassiope mertensiana Joseph M. DiTomaso 1976-8-3 659 Trinity Smith Lake. 2133 Comment
  HSC391  Castilleja applegatei William J. Ferlatte 1966-7-6 637 Trinity Head of Bullards Basin 1982 Comment
  CAS-BOT-BC249410  Castilleja applegatei subsp. pallida Eric B. Peterson; Thomas Ward; Matt Foruria 1995-4-9 67 Trinity Hwy 299, about 1 mile W. of Junction City 457 Comment
  CAS-BOT-BC241158  Castilleja applegatei subsp. pinetorum John Thomas Howell 1937-7-25 13495 A Trinity Stuarts Fork of Trinity River 2225 Comment
  CAS-BOT-BC241165  Castilleja applegatei subsp. pinetorum Elizabeth McClintock 1956-6-16 s.n. Trinity Road along Coffee Creek, above Coffee Creek Ranch Comment
  CAS-BOT-BC241174  Castilleja applegatei subsp. pinetorum Doris Kildale 1931-5-17 10836 Trinity Hawkins Bar 182 Comment
  CAS-BOT-BC241177  Castilleja applegatei subsp. pinetorum John Thomas Howell 1936-8-26 12835 Trinity Trinity River Canyon near Eagle Creek Comment
  HSC71039  Castilleja applegatei subsp. pinetorum J. P. Smith 1975-5-17 8110 Trinity SE-facing slope on the trail to Denny at confluence of New River and Trinity River Comment
  RSA67507  Castilleja applegatei subsp. pinetorum P. A. Munz 1951-7-20 16720 Trinity N.E. slope of Black Rock Mt., North Yolla Bolly Mts. 2134 Comment
  CHSC32238  Castilleja arachnoidea James Jokerst 1980-8-20 1096 Trinity North Coast Ranges. Near Hammerhorn Mountain. [Latitude on label (22 degrees 45' 7' N) is very incorrect. Substituted value is for Hammerhorn Mountain on the Yolla Bolly SW quad.] Comment
  HSC49727  Castilleja attenuata J. O. Sawyer, R. J. Cole 1978-4-20 3098 Trinity Above Hwy. 299 at White's Bar. Comment
  CAS-BOT-BC252483  Castilleja miniata Eugene Carter 1973-8-9 652 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity. (18 mi. NW of Weaverville) Along the Grizzly Creek Trail below Lower Grizzly Meadows. 1615 Comment
  HSC64997  Castilleja miniata D. L. Goforth 1979-7-21 297 Trinity Trinity Alps Wild Area, Upper Union Creek 1890 Comment
  UC1238990  Castilleja miniata Freed W. Hoffman 1949-7-17 3023 Trinity 0.2 mi from Three Forks Guard Station (bank of Mad River); North Coast Ranges, Mad River Comment
  CAS-BOT-BC252481  Castilleja miniata Eugene Carter 1972-8-13 513 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity. (18 mi. NW of Weaverville), in rocks along creek, 1/2 mile northeast of Russell Cabin 1371 Comment
  CAS-BOT-BC252486  Castilleja miniata P. A. Munz 1951-7-18 16628 Trinity dry rock ledges on north slope of North Yolla Bolly Peak, North Yolla Bolly Mts., line of Tehama-Trinity County 1981 Comment
  CAS-BOT-BC252489  Castilleja miniata John Thomas Howell 1936-8-26 12809 Trinity Tangle Blue Creek, Scott Mts. Comment
  RSA211405  Castilleja miniata William J. Ferlatte 1967-8-6 787 Trinity Canyon Creek Lakes. Trinity Alps. 1738 Comment
  HSC38609  Castilleja rubicundula subsp. lithospermoides D. E. Anderson, J. P. Smith 1971-6-21 - 1123 Trinity 2.7 mi. S of Zenia along the Zenia-Covelo Rd. Comment
  CAS-BOT-BC48705  Ceanothus cordulatus John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-20 53509 Trinity One-eye Flat, about 1.7 miles north of Carrville, Trinity River Canyon 755 Comment
  HSC55434  Ceanothus cordulatus G. L. Clifton 1979-7-16 7923 Trinity Near S Fork Mtn., close to the town of Mad River 1720 Comment
  HSC73267  Ceanothus cordulatus M. A. Baker 1980-7-12 2844 Trinity Near Black Lassic 1753 Comment
  UC1193336  Ceanothus cordulatus P. Zinke 1950-6-20 128 Trinity high point between Casoose Creek and Hulls Creek quad. 43A2 1737 Comment
  CDA35568  Ceanothus cordulatus G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2735 Trinity One-eye Flat south of Trinity River bridge, 0.4 mile north of Coffee Creek Road, west side of Hwy 3, north of Trinity Center. Comment
  HSC35823  Ceanothus cuneatus Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-14 1911 Trinity Along Mule Ridge Comment
  HSC60198  Ceanothus cuneatus J. P. Smith 1975-5-17 8134 Trinity Middle Fork of Philpot Creek and Philpot Campground on Plummer Peak Rd. 825 Comment
  CAS-BOT-BC50980  Ceanothus integerrimus John H. Thomas 1949-6-15 932 Trinity About 7 miles North of Weaverville, along trail to Trinity Alps. Trinity National Forest 914 Comment
  HSC55508  Ceanothus integerrimus G. L. Clifton, Butler 1979-7-18 8484 Trinity Near Jones Ridge, close to the town of Mad River 1448 Comment
  SBBG118381  Ceanothus integerrimus D. Wilken with E. Painter 2004-6-8 16195 Trinity between Buckhorn Bally and Buckhorn Summit 1240 Comment
  SD42405  Ceanothus integerrimus Carl B. Wolf 1941-7-27 11084 Trinity Along Trinity River, 2.2 mi. Below (W. of) Big Bar. 395 Comment
  SEINET13945963 Image available Ceanothus integerrimus E. K. Balls 1949-1 13798 Trinity By old mine house, Chloride Mine above Dedrick. Alt 3000 ft 914 Comment
  CAS-BOT-BC50576  Ceanothus lemmonii John Thomas Howell 1936-8-25 12782 Trinity Near Trinity Center Comment
  CAS-BOT-BC50579  Ceanothus lemmonii Lester Rowntree 1936-7-19 s.n. Trinity Trinity Mt. near Schelling, Weaverville - Redding Road Comment
  CAS-BOT-BC50625  Ceanothus lemmonii Alice Eastwood; John Thomas Howell 1937-6-25 4917 Trinity Minersville to Trinity Center Comment
  HSC85449  Ceanothus oliganthus var. sorediatus Andrew Buchanan, et al. 1986-6-6 106 Trinity S Fork Rd. Comment
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Jan 27 2015
  CAS-BOT-BC64971  Ceanothus pinetorum D. H. Wilken; E. L. Painter 2007-6-3 16736 Trinity Unnamed rd along ridge, Shasta-Trinity Co. line, ca. 2.2 linear km SSE of Hoardley Pks, 3.3 linear km NNW of Buckhorn 1095 Comment
  RSA792874  Ceanothus pinetorum D. H. Wilken, E. Painter 2004-6-8 16193 Trinity 0.8 km north of Buckhorn Balley, on road to Buckhorn Summit. 1405 Comment
  CAS-BOT-BC52131  Ceanothus prostratus L. R. Abrams 1916-7-22 6246 Trinity Post Creek Comment
  CAS-BOT-BC52134  Ceanothus prostratus Elizabeth McClintock 1956-6-15 s.n. Trinity Along East Fork of Coffee Creek, on trail to Stoddard Lake Comment
  HSC28807  Ceanothus prostratus J. P. Smith 1973-4-21 6319 Trinity Along Coffee Creek Rd. leading to Coffee Creek Ranch. 610 Comment
  HSC34597  Ceanothus prostratus J. P. Smith, J. O. Sawyer 1975-7-12 8363 Trinity Hwy. 3 at Ramshorn Creek 854 Comment
  HSC78845  Ceanothus prostratus John S. Palmer 1973-9-7 212 Trinity Bear Lakes area along trail to Big Bear Lake 1220 Comment
  UC1071293  Ceanothus prostratus H. A. Jensen 1932-8-11 251 Trinity Head of Canyon Creek Trinity Forest National Forest, Big Bar Quad. 1737 Comment
  JEPS123040  Ceanothus prostratus var. prostratus D. Burge and J. Nelson with Jepson Herbarium workshop participants 2015-6-26 JHWS- 020 Trinity Trinity Creek Watershed. Comment
  HSC103171  Centaurea cyanus R. W. Tate, J. Inkster., M. Buell 2014-5-29 1466 Trinity East Fork of North Fork Trinity River Road, west of river. 464 Comment
  CHSC114929  Centaurea diffusa D. B. Joley 1976-6-29 31 Trinity South Fork of the Trinity River. Comment
  UCD130108  Centaurea stoebe subsp. micranthos J. C. Borden 1968-7-15 s.n. Trinity Hayfork. 609 Comment
  HSC71521  Cephalanthera austiniae M. A. Baker 1980-7-2 2672 Trinity Near Horsehead Mtn. 1737 Comment
  CAS-BOT-BC207657  Cercis occidentalis L. R. Abrams 1916-7-24 6254 Trinity Wildwood Comment
  CHSC97955  Cercis occidentalis Maya Cavelti 2002-4-7 23 Trinity Found 20 miles west of Weaverville on the north side of Highway 299, growing in forested meadow. 708 Comment
  HSC27417  Cercis occidentalis J. P. Smith 1973-4-7 6020 Trinity New River Trail from Grays Falls Campground, on the N side of the Trinity River and W side of the New River. 244 Comment
  UC1128909 Image available Cercis occidentalis L. B. Burkett 1932-9-1 50 Trinity Canyon Ck. Trinity National Forest, Big Bar Quadrangle 1097 Comment
  HSC90619  Cercocarpus ledifolius var. ledifolius Jennifer Whipple 1976-6-16 997 Trinity S facing slopes N of Deadfall Creek 2195 Comment
  HSC59261  Cercocarpus montanus var. glaber Rick Lundquist 1979-5-12 69 Trinity 2.5 mi. S on the S fork of Deerlick Springs Rd., along Brown's Creek 610 Comment
  HSC59875  Cercocarpus montanus var. glaber J. P. Smith 1975-5-17 8108 Trinity SE-facing slope on the trail to Denny at confluence of New River and Trinity River Comment
  CAS-BOT-BC277659  Chaenactis glabriuscula var. megacephala Mrs. H. C. Cantelow 1936-5-23 s.n. Trinity Near Trinity Center Comment
  CAS-BOT-BC106047  Chaenactis suffrutescens Lincoln Constance; Ren-Hwa Shan 1946-6-1 3069 Trinity Near Trinity River 4.5, miles north of mouth of Eagle Creek 1066 Comment
  RSA1084  Chamaecyparis lawsoniana E. R. Johnson 1928-8-28 1176 Trinity 10 miles NE of Trinity Center, on E Fork Trinity River Comment
  CAS-BOT-BC70242  Cheilanthes gracillima G. R. Kleeberger 1879-9-1 s.n. Trinity Mt. Bally 1524 Comment
  HSC103896  Cheilanthes gracillima Dana York 2010-5-8 2998 Trinity Shasta-Trinity National Forest; ~1.2 km NE of the New River / Trinity River confluence, on spur ridge between rivers. 240 Comment
  HSC993  Cheilanthes gracillima D. E. Anderson 1961-10-8 1875 Trinity Near E Weaver Lake 1982 Comment
  JEPS123097  Cheilanthes gracillima D. Burge and J. Nelson with Jepson Herbarium workshop participants 2015-6-27 JHWS- 078 Trinity Bonanza King Comment
  UC922422  Cheilanthes gracillima Annie M. Alexander and Louise Kellogg 1949-7-2 5749 Trinity saddle between N Yolla Bolly and Black Rock Mts (trail to Black Rock); Yolla Bolly Middle Eel Primitive Area 2103 Comment
  HSC32683  Chimaphila menziesii Thomas W. Nelson 1973-7-10 1013 Trinity Black Lassic Area 1799 Comment
  UCD117362  Chimaphila menziesii Joseph M. DiTomaso 1975-7-22 172 Trinity 1/8 mile east of Boulder Creek on Lion Lake Trail. 1645 Comment
  UC1120952  Chimaphila umbellata N. French 1943-10-4 29 Trinity head of Conner Creek; Trinity Forest, Big Bar Quad. 1524 Comment
  HSC54290  Chrysolepis sempervirens G. L. Clifton, Butler 1979-7-17 7460 Trinity Near Horse Ridge Mtn., close to the town of Mad River 1851 Comment
  UCD110127  Chrysolepis sempervirens Joseph M. DiTomaso 1975-9-10 317 Trinity Emerald Lake. 1706 Comment
  CDA1089  Cirsium arvense J. R. Keck Jr. 1972-7-13 s.n. Trinity So. Fork Trinity River, 100 yds upstream from confluence of E. Fork Trinity. 0 Comment
  HSC44124  Cirsium arvense Thomas W. Nelson, Jane P. Nelson 1977-7-30 3684 Trinity Along old logging road E of Black Lassic 1463 Comment
  SEINET5713069  Cirsium brevifolium Lowell E. Urbatsch, Patricia B. Cox; Alan W. Lievens 1988-1 6139 Trinity Growing in a seep on a hillside, Along California 3, 52.8 road miles north of the junction of CA 3 and CA 299, south of Callahan.; Callahan Comment
  HSC70091  Cirsium cymosum Thomas W. Nelson, Jane P. Nelson 1978-6-21 4252 Trinity At Philpot Creek Campground 762 Comment
  HSC74443  Cirsium cymosum M. A. Baker 1980-6-25 2318 Trinity Near Castle Rock. 1436 Comment
  CAS-BOT-BC279902  Cirsium douglasii var. breweri H. M. Pollard 1953-8-21 s.n. Trinity Grounds of Trinity Alps Resort 762 Comment
  CDA37210  Cirsium occidentale B. Villegas 2008-6-17 Trinity Near Willow Creek; Friday Ridge Road. Six Rivers National Forest. Comment
  CAS-BOT-BC288022  Cirsium occidentale var. candidissimum John Thomas Howell 1937-7-30 13702 Trinity Junction City Comment
  RSA0070692  Cirsium occidentale var. candidissimum Joseph P. Tracy 1941-8-24 17015 Trinity Along Trinity Highway, west slope of South Fork Mountain. 1067 Comment
  SEINET190494  Cirsium remotifolium H. E. Parks, JP Tracy 1941-8-27 11527 Trinity Cold Springs lookout South Fork Mountain north coast ranges Comment
  UC130588  Cirsium remotifolium var. odontolepis H. M. Hall 1909-7-1 8528 Trinity Coffee Creek Salmon Mountains, Coffee Creek 914 Comment
  CHSC55849  Cirsium vulgare L. P. Janeway 1987-6-29 2403 Trinity Old floodplain of Trinity River near mouth of Grass Valley Cr; 'Lowden Ranch'. On N side of Lewiston Rd 1.8 mi from hwy 299. 533 Comment
  RSA66364  Cirsium vulgare P. A. Munz 1951-7-19 16698 Trinity 1 mi. NW of Stuart Gap, North base of North Yolla Bolly Mts. 1402 Comment
  UC906734  Clarkia amoena Harold E. Parks and Joseph P. Tracy 1942-7-2 11581 Trinity Trinity Highway South Fork Mt. 1066 Comment
  SEINET10453149  Clarkia concinna Mary Susan Taylor 1980-6-11 Taylor 2835 Trinity T34N R12W ne 1/4 sec 6. Hyampom quad. Big Bar, on S side of Trinity River, in vicinity of bridge to Big Bar Camp ground. Shasta Natl Forest. 457 Comment
  JEPS74576  Clarkia concinna subsp. concinna W. J. Ferlatte, B. D. Rogers 1966-6-1 2035 Trinity 2 mi n Junction City 579 Comment
  RSA85398  Clarkia concinna subsp. concinna E. K. Balls, Lee W. Lenz 1956-6-12 21658 Trinity 1.1 mi. nw. of Burnt Ranch along U.S. Hwy 299, Weaverville to Willow Creek. 427 Comment
  HSC49273  Clarkia gracilis J. P. Smith, J. O. Sawyer, Thomas W. Nelson 1978-5-7 9894 Trinity Blanchard Flat Rd. to Reese Bros. Coal Mine 610 Comment
  HSC68806  Clarkia gracilis Thomas W. Nelson, Jane P. Nelson 1980-6-18 5588 Trinity Shasta-Trinity National Forest, along FS Rd. 1N10, 1 mi. from junction with FS Rd. 2N07 1372 Comment
  JEPS43689  Clarkia lassenensis Joseph P. Tracy 1932-6-17 10227 Trinity Three Forks of Mad River North Coast Ranges 883 Comment
  CAS-BOT-BC163187  Clarkia lassenensis Thomas W. Nelson; Jane P. Nelson 1980-6-17 5510 Trinity Along Salt Creek road between Salt Creek Campground & junction of road 30N24 914 Comment
  HSC94203  Clarkia lassenensis N. Wynne, M. Peckham, J. Bamesberger 1994-5-7 49 Trinity Along N side of Steel Bridge Rd., 1.2 mi. NW of intersection with Hwy. 299 579 Comment
  RSA756199  Clarkia modesta Barbara Ertter, Thomas J. Delendick 1987-5-16 6951 Trinity Hwy 299, ca 23 miles E of Berry Summit on Hwy 299, at roadside pull-off; Comment
  RSA108217  Clarkia purpurea subsp. quadrivulnera Harlan Lewis, M. Lewis 1947-6-13 413 Trinity Highway 36, 2.9 miles west of road to Ruth Comment
  HSC54192  Clarkia rhomboidea G. L. Clifton, Butler 1979-7-18 8489 Trinity Near Four Corners Rock, close to the town of Alderpoint. 1524 Comment
  HSC72911  Clarkia rhomboidea M. A. Baker 1980-7-2 2614 Trinity Near Horsehead Mtn. 1737 Comment
  UC184670  Clarkia rhomboidea Harry S. Yates 1914-6-3 394 Trinity Browns Mt. 822 Comment
  CAS-BOT-BC439150  Claytonia exigua subsp. exigua Roxana S. Ferris; Laura Lorraine 1948-6-11 11694 Trinity 1.5 miles above Peanut on State Highway 36 Comment
  HSC67237  Claytonia exigua subsp. exigua Thomas W. Nelson, D. Gordon 1980-5-8 5240 Trinity Along FS Rd. 2N18, above Corral Creek, about 1 mi. from junction with FS Rd. 2N10 1159 Comment
  CAS-BOT-BC439149  Claytonia exigua subsp. exigua G. R. Kleeberger 1880-5-17 s.n. Trinity Weaverville Comment
  HSC64957  Claytonia lanceolata D. L. Goforth 1979-5-28 144 Trinity Trinity Alps Wilderness Area, Swift Creek at SE end of Parker Meadow 1616 Comment
  JEPS109675  Claytonia lanceolata Dean W. Taylor 2002-4-19 17995 Trinity base of steep shaded serpentine slope just west of Highway 3 bridge over Tangle Blue Creek (near the Trinity River confluence) 1005 Comment
  UCD100515  Claytonia lanceolata Joseph M. DiTomaso 1975-6-25 59 Trinity Trinity Alps. 1.5 miles southwest of Lower Bear Basin Meadows. 1859 Comment
  HSC24158  Claytonia parviflora subsp. parviflora J. O. Sawyer 1970-5-8 2622 Trinity 5 mi. SW of Primitive Area, E Fork of New River 610 Comment
  RSA244940  Claytonia perfoliata J. P. Smith 1973-4-7 5986 Trinity New River trail from Grays Falls Campground on the north side of the Trinity River and west side of the New River. 244 Comment
  HSC73385  Claytonia rubra Doug Renwick, Robert Kirkpatrick 1981-5-9 60 Trinity Philpot Campground off Hwy. 3 808 Comment
  CHSC71045  Claytonia rubra subsp. rubra Vernon Oswald; Lowell Ahart 1998-5-14 9060 Trinity Wildwood Rd. along the west side of hayfork Creek 5.1 mi north of Hwy. 36, 0.2 mi south of Gemmill Gulch Picnic Area. 1005 Comment
  HSC34168  Claytonia rubra subsp. rubra J. P. Smith, J. O. Sawyer 1973-7-4 7053 Trinity Trail 11W26 from Rd. 80, between Dubakella and S Dubakella Mtn. 1524 Comment
  HSC51109  Claytonia rubra subsp. rubra G. L. Clifton, Overton 1979-6-3 3705 Trinity Near Shanty Creek, close to the town of Forest Glen. 1219 Comment
  HSC66701  Claytonia rubra subsp. rubra Cathy Goldberg, Lynn Kunstman, Lauren Philbrick, Geoff Walsh 1980-5-3 75 Trinity Along road to Dubakella Mtn. from Hwy. 36 1296 Comment
  HSC74255  Claytonia rubra subsp. rubra Gail Newton 1980-7-10 1156 Trinity Near Senteney Rock. 1545 Comment
  CAS-BOT-BC443836  Claytonia rubra subsp. rubra Ella Dales Cantelow 1939-6-8 2663 Trinity 5.4 mi. from Jct. Alton - Redbluff Hy., South Fork Mt., Blake Lookout Road. Comment
  CAS-BOT-BC443839  Claytonia rubra subsp. rubra Mrs. H. C. Cantelow 1939-6-8 s.n. Trinity South Fork Mt., Blake Lookout Road, about 6 1/2 mi. from Junction Alton. Redbluff Highway Comment
  CAS-BOT-BC451760  Claytonia serpenticola H. M. Hall 1909-7-22 8616 Trinity Above Union Lake, in the Salmon Mountains Comment
  RSA305535  Claytonia sibirica Henry J. Ramsey, Henry J. Ramsey 1939-10-13 836 Trinity Mountains, Highway 299 Comment
  HSC34679  Clematis lasiantha Margariet Wetherwax 1975-5-16 143 Trinity Trails above the Trinity River at Grays Falls Campground 310 Comment
  UC275276  Clematis lasiantha Joseph P. Tracy 1924-4-27 6660 Trinity bluffs at mouth of New River; Northern Coast Ranges 426 Comment
  BLMAR693  Clematis ligusticifolia Jennifer Wheeler 2013-7-30 693 Trinity Travis ranch, Vinton crossing, in riverbed Comment
  CAS-BOT-BC92770  Clematis ligusticifolia Eugene Carter 1973-8-9 671 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity. (18 miles west of Weaverville). 1066 Comment
  UC130707  Clintonia uniflora H. M. Hall 1909-7-1 8564 Trinity Salmon Mountains, Union Creek Union Creek; Salmon Mountains, Union Creek 1280 Comment
  HSC65483  Collinsia greenei M. A. Baker 1980-5-25 1538 Trinity Near Shannon Butte 914 Comment
  HSC67301  Collinsia greenei Thomas W. Nelson, Jane P. Nelson 1980-6-17 5508 Trinity Shasta-Trinity National Forest, along Salt Creek Rd. at junction with FS Rd. 30N24 945 Comment
  HSC68825  Collinsia greenei Thomas W. Nelson, Jane P. Nelson 1980-6-19 5620 Trinity Along Salt Creek Rd., 2 mi. from junction with Hwy. 3 793 Comment
  HSC68873  Collinsia greenei Thomas W. Nelson, Jane P. Nelson 1980-6-20 5691 Trinity Shasta-Trinity National Forest, along FS Rd. 30N46 at Blue Point on Blue Point Ridge 1372 Comment
  HSC68890  Collinsia greenei Thomas W. Nelson, Jane P. Nelson 1980-6-19 5660 Trinity Shasta-Trinity National Forest, along FS Rd. 29N59, 0.5 mi. E of junction with FS Rd. 30N29, Rattlesnake ridge 1433 Comment
  HSC69689  Collinsia greenei Thomas W. Nelson, J. O. Sawyer 1978-6-9 4114 Trinity Red Mtn. 1250 Comment
  HSC37198  Collinsia greenei Lon Hall 1975-5-17 348 Trinity Humboldt Meridian; on the trail to Denny at the confluence of New River and Trinity River 310 Comment
  HSC67311  Collinsia greenei Thomas W. Nelson, Jane P. Nelson 1980-5-7 5181 Trinity Along old Hwy. 36 (Post Creek Rd.) at bridge over Glade Creek 884 Comment
  RSA47669  Collinsia greenei Roxana S. Ferris, Laura Lorraine 1948-6-11 11705 Trinity 1.5 miles above Peanut on State Highway 36. Comment
  HSC512  Collinsia linearis William J. Ferlatte 1967-6-28 546 Trinity E side of Packers Peak 2134 Comment
  HSC41965  Collinsia parviflora Ed Cope 1977-5-21 93 Trinity Eagle Creek Campground 851 Comment
  JEPS120196  Collinsia parviflora Julie Kierstead Nelson with Christy Wagner 2011-6-21 2011 -28 Trinity Junction of Forest Roads 30N28B & 29N73C, off the Bramlet Road (Forest Road 30N29) south of Highway 36W; 13 miles south of Hayfork. Comment
  RSA245014  Collinsia parviflora J. P. Smith 1973-4-21 6272 Trinity Along Coffee Creek Road leading to Coffee Creek Ranch. 610 Comment
  RSA49697  Collinsia parviflora Philip A. Munz 1949-5-15 13210 Trinity Ripstein Public Campground, Canyon Creek, Dedrick. 976 Comment
  HSC72537  Collinsia rattanii Gail Newton 1980-7-1 809 Trinity Near Hayden Roughs. 1250 Comment
  HSC91246  Collinsia rattanii Jennifer Whipple 1976-6-29 1157 Trinity Mt. Eddy, S facing slopes N of Deadfall Lake in the Deadfall drainage 2195 Comment
  JEPS94804  Collinsia rattanii Vernon Oswald and Lowell Ahart 1998-5-14 9067 Trinity 1.3 mi n of Gemmill Gulch Picnic Area (Wildwood Road 6.6 mi n of Highway 36, between the road and Hayfork Creek); Wildwood Road 1005 Comment
  UC1001186  Collinsia rattanii Rimo Bacigalupi with L. Constance, Reid Moran, Rafael Rodriguez and Sherwin Carlquist 1951-6-12 3383 Trinity Wildwood, drainage of Hay Fork of Trinity River, on California State Highway No. 36 Hay Fork of Trinity River; Wildwood, drainage of Hay Fork of Trinity River Comment
  HSC69818  Collinsia rattanii Thomas W. Nelson 1978-5-27 4072 Trinity At Secret Gulch, 1 mi. NW of Three Forks of Mad River 884 Comment
  HSC82530  Collinsia sparsiflora Thomas W. Nelson 1979-5-13 4665 Trinity At junction of county roads NE of Rees Brothers Coal Mine. 579 Comment
  JEPS4655  Collinsia torreyi var. wrightii Joseph Burtt Davy and Walter C. Blasdale 1899-6-21 5766 Trinity Trinity Summit; Trinity Summit; North Coast Ranges Comment
  HSC20624  Collinsia torreyi var. wrightii R. Spellenberg 1963-7-7 183 Trinity Trail into E Weaver Lake, near Weaverville, Weaver Bally 1982 Comment
  CHSC31923  Collomia grandiflora M. S. Taylor 1980-6-30 3084 Trinity Buckhorn Station, on embankment above creek across from cafe, ca. 10 mi e of Douglas City. Comment
  HSC35639  Collomia grandiflora Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-21 1936 Trinity Brown's Canyon Campground. Comment
  HSC56595  Collomia grandiflora G. L. Clifton 1979-7-17 7938 Trinity Near Bailey Canyon Campground, close to town of Mad River. 853 Comment
  UC1299530  Collomia grandiflora Freed W. Hoffman 1949-7-12 3110 Trinity Haman Ridge Beacon North Coast Ranges (on Mt. Zenia road 9 mi n of Mendocino-Trinity county line) Comment
  HSC43349  Collomia grandiflora Maralyn O'Meara 1973-7-4 253 Trinity Near crossing of Ditch Gulch by road to Blue Point, W of N Dubakella Mtn. Comment
  HSC78339  Collomia grandiflora John S. Palmer 1974-8-4 244 Trinity Bear Lakes area, along trail to Big Bear Lake 1524 Comment
  HSC42275  Collomia heterophylla Rich White 1977-5-21 62 Trinity Eagle Creek Campground 851 Comment
  HSC74100  Collomia heterophylla Gail Newton 1980-7-9 1099 Trinity Near Shanty Creek. 1113 Comment
  HSC74220  Collomia heterophylla M. A. Baker 1980-5-23 1446 Trinity Near Tierney Canyon 975 Comment
  HSC40433  Collomia heterophylla J. O. Sawyer 1973-6-6 2521 Trinity Along trail to Big Bear Lake 1433 Comment
  UC1299508  Collomia heterophylla Freed W. Hoffman 1948-7-16 2636 Trinity w Ruth; North Coast Ranges, Van Duzen River Comment
  HSC42475  Collomia tinctoria Robert M. Specht 1977-6-30 1139 Trinity Ukiah District [somewhere within the BLM district bounday, see County and TRS for location, not from the city of Ukiah proper], E side of ridge Comment
  HSC32560  Collomia tinctoria Thomas W. Nelson 1973-7-10 1051 Trinity Along Mule Ridge SE of Red Lassic Comment
  JEPS120200  Collomia tinctoria Julie Kierstead Nelson with Christy Wagner 2011-6-21 2011 -23 Trinity Forest Rd. 29N81A, west of the Bramlet Road (Forest Road 30N29) south of Highway 36W; 13 miles south of Hayfork Comment
  HSC40820  Collomia tracyi Thomas W. Nelson, Jane P. Nelson 1976-6-22 2851 Trinity Trinity-Humboldt County line, in spring along road to Goat Hill 1646 Comment
  HSC59923  Collomia tracyi D. L. Goforth 1979-7-5 205 Trinity Deadwood Creek Rd. at Donnelly Gulch Comment
  HSC99772  Collomia tracyi Glenn W. K. Shelton 2010-7-11 15 Trinity Near Black Lassic Mtn. along FS Rd. 1S07 1271 Comment
  JEPS26239  Collomia tracyi Joseph P. Tracy 1935-8-3 14466 Trinity Mary Blaine Mt. 1950 Comment
  RSA128247  Collomia tracyi P. H. Raven, Richard Snow 1958-7-19 s.n. Trinity Hobo Gulch Public Camp, 14.3 miles north of Helena. Comment
  RSA494448  Collomia tracyi E. K. Balls 1949-7-3 13787 Trinity Trail to right above Bear Creek, above Dedrick. 1067 Comment
  CAS-BOT-BC180424  Comandra umbellata subsp. californica John Thomas Howell 1936-8-26 12840 Trinity Trinity River Canyon near Eagle Creek Comment
  CAS-BOT-BC180427  Comandra umbellata subsp. californica Doris Kildale 1931-5-30 10768 Trinity Weaverville Comment
  CHSC31332  Corallorhiza maculata Mark Stopher 1980-6-11 110 Trinity Along route 36, 0.3 miles E of Mad River bridge. Comment
  UC198765  Corallorhiza maculata Annie M. Alexander and L. Kellogg 1911-7-8 227 Trinity N. Fk. Coffee Cr. 1371 Comment
  UCD138912  Corallorhiza maculata Joseph M. DiTomaso 1975-4-19 37 Trinity Trinity Alps, 1/8 mile above Nancy Creek junction with Stuarts Fork Trail. 1158 Comment
  POM301283  Corallorhiza mertensiana H. E. Parks, Joseph P. Tracy 1947-6-27 11634 Trinity South Fork Mountain 1524 Comment
  RSA49849  Corallorhiza mertensiana E. K. Balls 1949-7-1 13750 Trinity Trail from Dedrick to Lakes, Canyon Creek. 1220 Comment
  UCD138905  Corallorhiza mertensiana Joseph M. DiTomaso 1976-7-6 560 Trinity Trinity Alps. Swift Creek Trail just west of Fosters Cabin. 1630 Comment
  HSC45238  Corallorhiza striata Thomas W. Nelson, Jane P. Nelson 1977-6-19 3482 Trinity Below FS 5E27, S of Senteney Rock 1494 Comment
  UC14977  Corallorhiza striata Joseph Burtt Davy Jun 21 1899-Jun 23 1899 5818 Trinity Trinity Summit Trail; 1/2 way up Comment
  HSC66327  Cordylanthus tenuis subsp. viscidus Ed Cope, John Palmer Jul 1977 521 Trinity South of trail to Granite Lake. 1280 Comment
  HSC72234  Cordylanthus tenuis subsp. viscidus Thomas W. Nelson, Jane P. Nelson 1980-8-21 6263 Trinity Along FS Rd. 29N62, 0.4 mi. from junction with FS Rd. 29N58 1372 Comment
  UCD123180  Cordylanthus tenuis subsp. viscidus Richard Spellenberg 1965-8-13 1225 Trinity Spellenberg property about 2 miles E of Burnt Ranch. 487 Comment
  CDA41349  Cordylanthus tenuis subsp. viscidus G. D. Barbe 1985-7-23 4243 Trinity One mile south of Peanut, just south of Salt Creek Bridge, Highway 3. Comment
  UCD123179  Cordylanthus tenuis subsp. viscidus William J. Ferlatte; Alice Q. Howard 1970-8-8 1275 Trinity Boulder Cr. Basin, along trail ca. 0.25 miles from Canyon Creek. 1584 Comment
  UC2046547  Cordylanthus viscidus William J. Ferlatte 1974-8-17 1676 Trinity 100 yds. above Bowerman Meadows Trail Comment
  HSC69680  Cornus glabrata Thomas W. Nelson, J. O. Sawyer 1978-6-9 4104 Trinity Along County Rd. 1 mi. S of Ruth Guard Station. Comment
  CAS-BOT-BC212074  Cornus nuttallii G. R. Kleeberger 1879-9-20 s.n. Trinity Unspecified Comment
  CAS-BOT-BC212077  Cornus nuttallii J. H. Thomas 1949-6-15 929 Trinity About 7 miles north of Weaverville, along Trail to Trinity Alps, Trinity National Forest 914 Comment
  SJSU14578  Cornus nuttallii C. L. Schmidt 1976-10-8 707 Trinity Coffee Cr 2-3 mi E of State Rte 3 Comment
  CAS-BOT-BC210443  Cornus sericea Eugene Carter 1971-6-16 236 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity. (18 mi. NW of Weaverville.) 1/4 mi. up White's Creek Trail 914 Comment
  CAS-BOT-BC210446  Cornus sericea L. B. Kildale 1930-7-20 10411 Trinity Van Duzen River near Cobbs Comment
  RSA134910  Cornus sessilis P. C. Everett, E. K. Balls, George B. Everett 1959-10-22 23924 Trinity 4.9 mi. W. of Shasta-Trinity Co. line along U.S. Hwy. 299 from Redding. Comment
  RSA0019467  Cornus sessilis H. C. Cantelow 1936-8-23 s.n. Trinity Preacher Campground. 4 mi. W of Scott Ranch. Comment
  HSC35262  Corylus cornuta R. M. Sullivan 1975-5-18 105 Trinity SE of confluence of Pawauket Gulch and Reading Creek 610 Comment
  RSA362  Crataegus suksdorfii E. R. Johnson 1928-8-28 444 Trinity 10 miles NE of Trinity Center, on E Fork Trinity River Comment
  RSA67536  Crepis monticola P. A. Munz 1951-7-20 16741 Trinity Black Rock, north Yolla Bolly Mountains 2165 Comment
  UC1051518  Crepis occidentalis Helen K. Sharsmith 1953-6-26 4369 Trinity Forest Glen-Peanut road 4.2 mi w Cold Springs; Inner North Coast Ranges, Trinity National Forest 1158 Comment
  CAS-BOT-BC376490  Crepis occidentalis subsp. conjuncta Mrs. E. C. Van Dyke 1931-6-23 s.n. Trinity Nash Mine above Carville [Carrville] Comment
  CAS-BOT-BC376507  Crepis pleurocarpa P. A. Munz 1951-7-19 16748 Trinity 1 mi. n.w. of Stuart Gap, north base of North Yolla Bolly Mts. 1402 Comment
  CHSC63318  Crepis pleurocarpa Vernon H. Oswald; L. Ahart 1994-6-14 6304 Trinity Forest Rd. 25 W of Castella and W of Ramshorn Summit, on the N side of Ramshorn Creek. 1060 Comment
  HSC24198  Crepis pleurocarpa D. E. Anderson, D. Santana, J. Lackey 1971-7-15 5258 Trinity Along 1S07, Shanty Creek, 5 mi. W of Ruth Dam. 1341 Comment
  HSC280  Crepis pleurocarpa William J. Ferlatte 1967-8-18 993 Trinity Head of Union Creek 1982 Comment
  HSC31978  Crepis pleurocarpa D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-13 5526 Trinity Black Lassic 1738 Comment
  HSC34387  Crepis pleurocarpa J. P. Smith, J. O. Sawyer 1973-7-3 6973 Trinity Hill south and west of South Dubakella Mtn. 1585 Comment
  HSC67273  Crepis pleurocarpa Thomas W. Nelson, Jane P. Nelson 1980-6-17 5474 Trinity Shasta-Trinity National Forest, along old Hwy. 36, 1 mi. W of Hwy. 3 near Peanut 793 Comment
  CAS-BOT-BC290892  Crepis pleurocarpa G. L. Stebbins, Jr.; J. A. Jenkins 1937-7-19 2471 Trinity Along Trinity River, 1 mi. north of mouth of Eagle Creek 900 Comment
  HSC68779  Crepis pleurocarpa Thomas W. Nelson, Jane P. Nelson 1980-6-19 5636 Trinity Along Old Hwy. 36 (Post Creek Rd.) at bridge over Glade Creek 884 Comment
  SEINET7838870 Image available Crepis pleurocarpa H. M. Hall 1909-7-21 8597 Trinity Dorleska, in the Salmon Mts. 2000 Comment
  HSC5465  Crocidium multicaule A. Sylvester, D. Sutherland, R. Spellenberg 1966-3-27 1370 Trinity 1 mi. W of the Trinity River near Bidden Creek, on the Spellenberg property ca. 2 mi. SE of Burnt Ranch Comment
  HSC85878  Crocidium multicaule Sandy Floyd, Tom Munton, T'ai Roulston 1987-3-7 13 Trinity End of South Fork Rd. ( F.S. 5N03), trail to Hell's Half Acre Creek ( Tr. #6E23); 1 km. from trailhead 400 Comment
  POM197069  Crocidium multicaule McKenzie 1927-4-16 s.n. Trinity Near Weaverville. Comment
  HSC56765  Croton setiger G. L. Clifton, Butler 1979-7-18 8478 Trinity Near Jones Ridge, close to the town of Alderpoint 1448 Comment
  HSC7979  Croton setiger R. Spellenberg 1964-8-12 556 Trinity Hwy. 299 near Cedar Flat, Burnt Ranch. Comment
  HSC41227  Cryptantha affinis Thomas W. Nelson, James Nelson 1977-6-19 3481 Trinity Along FS Rd. 5E27 S of Senteney Rock 1524 Comment
  RSA67676  Cryptantha affinis P. A. Munz 1951-7-18 16658 Trinity Ridge from Stuart Gap to North Yolla Bolly Mountains. 1768 Comment
  UC1795602  Cryptantha hispidula G. Douglas Barbe, T. C. Fuller, J. T. Howell 1980-5-19 2694 Trinity In a serpentine area west-southwest of Peanut on Rattlesnake Road, Philpot Creek drainage. 0.25 miles east of junction of Rattlesnake Road and Plummer Lookout Road (Philpot Camprground Road) ca. 0.75 miles (1200 m) SW of Salt Creek Bridge (Hwy 3) Peanut 804 Comment
  HSC35242  Cryptantha milobakeri John S. Palmer 1975-5-17 340 Trinity Trail to Denny at the confluence of New River and Trinity River 310 Comment
  HSC57231  Cryptantha torreyana G. L. Clifton, Butler 1979-7-17 7494 Trinity Near Jones Ridge, close to the town of Mad River 1388 Comment
  POM225506  Cryptantha torreyana P. A. Munz 1936-8-11 14363 Trinity Little Trinity River, Forest Glenn 701 Comment
  UC667957  Cryptogramma acrostichoides Joseph P. Tracy 1935-8-7 14589 Trinity head of White's Creek; Devil's Canyon Mts 2072 Comment
  JEPS39838  Cupressus lawsoniana Benjamin Macomber 1908-8-20 Trinity bet. Coffee Creek and Scott Mts.; Upper Trinity River Comment
  RSA600635  Cuscuta brachycalyx L. C. Wheeler 1959-7-30 7617 Trinity North Fork Post Creek: NE Forest Glenn. 1371 Comment
  UC562674  Cuscuta californica Joseph P. Tracy 1935-8-3 14471 Trinity Mary Blaine Mt. 1950 Comment
  UC2062583  Cuscuta occidentalis Belinda Lo 2017-7-22 346 Trinity TRINITY COUNTY: Shasta-Trinity Forest, northeast of Tangle Blue Trailhead. Comment
  SEINET10496632  Cuscuta occidentalis Mary Susan Taylor 1980-7-22 Taylor 3165 A Trinity T39N R7W ne sec 34. Shasta-Trinity Natl Forest, in open, dry, cobbly/sandy old river bed, on W side of Hwy 137, ca. 2.4 mi N of its jct with Hwy 3. 914 Comment
  HSC28138  Cymopterus terebinthinus var. californicus J. D. Ackerman, A. Montalvo 1973-6-23 59 Trinity 1 mi E of Big Flat, Hwy 299, along the Trinity River Comment
  HSC22550  Cynoglossum grande D. E. Anderson, J. P. Smith 1970-4-23 5047 Trinity Along road to Hobo Gulch Campground, 6 mi. N of its junction with Hwy. 299 Comment
  HSC40658  Cynoglossum grande Thomas W. Nelson, Jane P. Nelson 1976-7-1 2950 Trinity Along FS Rd. 5E27 just S of Senteney Rock 1524 Comment
  UCD119155  Cynoglossum grande Teri Bartkowski; Shane Feusier, Ruth Takaki, Carol Zimmerer 1980-5-3 54 Trinity Philpot Ck. Campground. 807 Comment
  UC130605  Cynoglossum occidentale H. M. Hall 8632 Trinity Coffee Creek Salmon Mts., Coffee Creek 1371 Comment
  HSC40389  Cynosurus echinatus Thomas W. Nelson, James Nelson 1976-6-22 2834 Trinity Below Senteney Rock 1524 Comment
  CAS-BOT-BC113812  Cyperus niger var. capitatus Mrs. H. C. Cantelow 1937-8-15 1842 Trinity Swift Creek Rd. W of North Fork of Swift Creek. Comment
  HSC58743  Cyperus squarrosus G. L. Clifton 1979-7-19 8782 Trinity Near Mad River 817 Comment
  CAS-BOT-BC114154  Cyperus squarrosus G. R. Kleeberger 1879-9-20 s.n. Trinity Along water course near Weaverville. Comment
  RSA41919  Cyperus squarrosus H. C. Cantelow 1936-8-25 1605 Trinity Scott Ranch. Comment
  CAS-BOT-BC133741  Cypripedium californicum Mrs. L. R. Reynolds 1913-6-4 s.n. Trinity Field redacted by CAS, contact the data manager for more information Comment
  CHSC71557  Cypripedium californicum Vernon H. Oswald 1998-7-28 9376 Trinity Hwy. 36, 6.4 mi west of Wildwood Rd., 5.7 mi east ... Field redacted by CHSC, contact the data manager for more information 1219 Comment
  UC1299378  Cypripedium californicum Freed W. Hoffman 1948-6-7 2578 Trinity road 2 mi e summit; North Coast Ranges, Scott Mt. 1432 Comment
  HSC65953  Cypripedium fasciculatum M. A. Baker 1980-5-23 1399 Trinity Near Tierney Canyon 975 Comment
  HSC98482  Cystopteris fragilis Dana York 2009-7-19 2983 Trinity 82 km. W-NW of Redding, Shasta-Trinity National Forest on Thurston Peaks (Limestone Ridge.), spur ridge to the summit of Thurston Peaks 2225 Comment
  HSC34846  Cystopteris fragilis Thomas W. Nelson 1975-5-17 1814 Trinity Across the Trinity River from Douglas City Comment
  UC399287  Cystopteris fragilis H. M. Hall 1909-7-22 8624 Trinity head of Union Lake Valley; Salmon Mts. 1981 Comment
  CAS-BOT-BC201024  Cytisus scoparius H. de Forest 1912-1-28 349 Trinity Trinity National Forest Comment
  HSC86332  Dactylis glomerata J. P. Smith 1982-6-19 10472 Trinity French Creek Road, 3.7 mi. from junction with State Route 299 671 Comment
  CAS-BOT-BC192291  Danthonia californica David D. Keck 1944-7-10 5489 Trinity 1 mi. N.W. of Mad River P.O. 822 Comment
  CAS-BOT-BC192293  Danthonia californica Joseph P. Tracy 1935-8-3 14479 Trinity Mary Blaine Mt. 1950 Comment
  CAS-BOT-BC192296  Danthonia californica John Thomas Howell 1937-7-21 13228 Trinity Big Flat Comment
  HSC24211  Danthonia californica D. E. Anderson, D. Santana, J. Lackey 1971-7-15 5234 Trinity 5.7 mi. S of the Mad River Ranger Station, on Hwy. 36, along the road to Zenia. Comment
  HSC34972  Danthonia californica D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5689 Trinity 8 mi. W on 1S07 from its junction with the county road. Comment
  JEPS123069  Danthonia californica D. Burge and J. Nelson with Jepson Herbarium workshop participants 2015-6-27 JHWS- 080 Trinity Scorpion Lake Comment
  SBBG116543  Danthonia californica D. Wilken with E. Painter 2003-7-17 16161 Trinity immediately S of Scott Mtn Cmpgrd near Scott Mtn Summit 1650 Comment
  UC552804  Danthonia californica var. americana Joseph P. Tracy 1935-8-3 14479 Trinity Mary Blaine Meadow Mary Blaine Mt. 1950 Comment
  CAS-BOT-BC194400  Danthonia intermedia C. L. Hitchcock; J. S. Martin 1939-7-11 5404 Trinity South shore of Upper Canyon Creek Lake, 11 mi. north of Dedrick, Salmon-Trinity Mts. 1889 Comment
  CAS-BOT-BC76251  Darlingtonia californica H. M. Hall 1909-7-25 8661 Trinity Bullard Basin, near Dorleska, in the Salmon Mountains. From Coffee Creek to Dorleska and Union Creek. 1900 Comment
  CAS-BOT-BC76254  Darlingtonia californica Mrs. J. C. Reynolds s.n. Trinity Carrville. Comment
  CHSC3328  Darlingtonia californica Robert L. Smith 1966-5-14 Trinity Scott Mt. Camp ground Klamath Nat. Forest. ... Field redacted by CHSC, contact the data manager for more information Comment
  HSC100173  Darlingtonia californica J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-7-9 12990 Trinity Along Forest Service Road 38N85 to the Bonanza King Lookout. Scorpion Lake. 1784 Comment
  RSA49940  Darlingtonia californica E. K. Balls 1949-7-7 13886 Trinity Scott Mountain Camp Meadow, Scott Mountain. 1616 Comment
  UC735120  Darlingtonia californica Lincoln Constance and Ren Hwa Shan 1946-6-1 3067 Trinity 10.5 mi n Carrville (near Trinity River) 914 Comment
  CAS-BOT-BC141839  Dasiphora fruticosa Mrs. E. C. Van Dyke 1931-6-30 s.n. Trinity Carville Comment
  CDA5358  Daucus carota T. C. Fuller 1964-8-6 9341 Trinity Opposite St. Gilbert s Catholic Church, Lewiston. 0 Comment
  UCD15137  Delphinium K. F. Mawdsley 1996-7-11 17 a Trinity Trinity County. Before first creek along trail to Deadfall Lakes from Parks Creek trailhead. 1981 Comment
  UCR84748  Delphinium decorum Kathy Harper 1992-5-15 s.n. Trinity State Hwy 3, less than 1 mi. north of State Hwy 36, next to [Bule Gulch] 'Dobbin's Creek' [south of Peanut] 762 Comment
  HSC35090  Delphinium decorum subsp. tracyi Robert M. Specht 1975-5-16 190 Trinity Trails above the Trinity River at Grays Falls Campground 310 Comment
  UCR138878  Delphinium decorum subsp. tracyi J. Marshall, J. Savage, L. Allison 1997-4-12 29 Trinity Grays Falls campground 289 Comment
  HSC81630  Delphinium depauperatum Thomas W. Nelson, Jane P. Nelson 1980-7-17 6107 Trinity Along FS Rd. 17 at summit at county line 2073 Comment
  LA207500  Delphinium hesperium H. Lewis; M. Lewis 1947-6-13 766 Trinity Bridgeville- Forest Glen Road, 0.2 mi. E of Humboldt Co. line Comment
  HSC24066  Delphinium nudicaule J. O. Sawyer 1970-4-18 2478 Trinity Slopes above New River at its junction with the Trinity River. 244 Comment
  RSA244998  Delphinium nudicaule J. P. Smith 1973-4-7 5979 Trinity New River trail from Grays Falls Campground on the north side of the Trinity River and west side of the New River. 244 Comment
  HSC36235  Delphinium nudicaule John Rehling 1975-5-10 65 Trinity Along Hwy. 299, 0.25 mi. E of Big Bar Comment
  HSC45360  Delphinium nudicaule R. York, Linda York 1978-3-18 77 Trinity 2 mi. E of Big Flat on Hwy. 299 457 Comment
  HSC35149  Delphinium nuttallianum R. M. Sullivan 1975-5-17 79 Trinity Along Hwy. 299 at Hayden Flat Campground 390 Comment
  UC922380  Delphinium nuttallianum Annie M. Alexander and Louise Kellogg 1949-7-3 5761 Trinity saddle between North Yolla Bolly Mt. and Black Rock Mountain; Yolla Bolly Middle Eel Primitive Area 2103 Comment
  CAS-BOT-BC116204  Delphinium nuttallianum Harry Stanley Yates 1914-5-15 7 -30 Trinity near Weaverville, Trinity Forest Comment
  CAS-BOT-BC116541  Delphinium nuttallianum H. M. Hall 1909-7-1 8596 Trinity Dorleska 1828 Comment
  CAS-BOT-BC116543  Delphinium nuttallianum Eugene Carter 1972-6-28 493 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity (18 mi. NW of Weaverville) Dry meadow above Whites Creek Lake. 1950 Comment
  HSC97252  Delphinium patens Thomas W. Nelson, Jane Nelson 2003-5-20 9120 Trinity Grays Falls Campground near trailhead to Gray's Falls. 292 Comment
  CAS-BOT-BC201660  Deschampsia danthonioides John Thomas Howell 1955-6-13 30379 Trinity Hayfork 716 Comment
  HSC44169  Deschampsia elongata Thomas W. Nelson, Jane P. Nelson 1977-6-19 3470 Trinity Above Senteney Rock. 1494 Comment
  CAS-BOT-BC42973  Descurainia incisa subsp. incisa P. A. Munz 1951-7-22 16826 Trinity North Yolla Bolly Mountains. Patty John Basin. 1981 Comment
  HSC198  Descurainia incisa subsp. incisa William J. Ferlatte 1966-8-4 309 Trinity Dorleska Mine 1982 Comment
  UC1333306  Dicentra formosa Dorothy Parker 1949-6-11 315 Trinity Tangle Blue Creek 1676 Comment
  CAS-BOT-BC402490  Dicentra formosa subsp. formosa Elizabeth McClintock 1956-6-15 s.n. Trinity Along East Fork of Coffee Creek, on trail to Stoddard Lake Comment
  CHSC9764  Dicentra formosa subsp. formosa R. Jaegal 1969-5-6 317 Trinity Ca. 2 mi s of Douglas City and 1/2 mi w of the Brown's Creek Bridge on Hwy 3 at a road cut 3 ft from s edge of highway. 609 Comment
  CAS-BOT-BC47497  Dicentra formosa subsp. oregana Strull; Houseman; Linstedt 1984-5-13 35 Trinity Basin Gulch Campground 914 Comment
  UC1116209  Dicentra uniflora Joseph P. Tracy 1946-6-16 17584 Trinity Race Track; South Fork Mountain 1676 Comment
  UCD150610  Dicentra uniflora Joseph P. Tracy 1946-6-16 17584 Trinity South Fork Mountain. 1676 Comment
  CAS-BOT-BC483640  Dichelostemma capitatum T. Worley; M. Mill; F. Rosenthal 1985-4-19 14 Trinity Steelbridge Campground, Shasta-Trinity Ntional Forest Comment
  HSC72920  Dichelostemma capitatum subsp. capitatum Gail Newton 1980-7-3 1023 Trinity Near Horsehead Mtn. 1753 Comment
  HSC32799  Dichelostemma capitatum subsp. capitatum Thomas W. Nelson, Jane P. Nelson 1973-4-14 726 Trinity Above Salt Creek E of USFS campground at Salt Creek Comment
  JEPS7617  Dichelostemma congestum Rimo Bacigalupi with L. Constance, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-12 3375 Trinity 0.5 mi n Wildwood (along Hay Fork of Trinity River); Trinity River, Hay Fork 1005 Comment
  CAS-BOT-BC502564  Dichelostemma congestum Eugene Carter 1974-6-3 783 Trinity Salmon-Trinity Alps and vicinity; 1/4 mi S of Store Gulch 480 Comment
  HSC42584  Dichelostemma ida-maia Robert M. Specht 1977-6-28 1113 Trinity Edges of bushes Comment
  HSC72787  Dichelostemma ida-maia M. A. Baker 1980-7-1 2569 Trinity Near Hayden Roughs. 1402 Comment
  CAS-BOT-BC502176  Dichelostemma ida-maia Eugene Carter 1971-6-30 252 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity. (18 mi. NW of Weaverville) North Fork tr. 1/2 mi. N. of Keystone. 1005 Comment
  HSC23651  Dichelostemma multiflorum J. O. Sawyer 1970-5-23 2540 Trinity Above New River 244 Comment
  HSC39581  Dichelostemma multiflorum D. E. Anderson, J. P. Smith 1971-6-21 - 1144 Trinity 12 mi. S of Zenia along Zenia-Covelo Rd. Comment
  HSC44923  Dichelostemma multiflorum J. P. Smith, J. O. Sawyer 1975-6-22 8223 Trinity FS 30N38 from SR 36 to Cold Springs Campground 762 Comment
  HSC82465  Dichelostemma multiflorum Thomas W. Nelson, Jane P. Nelson 1979-6-14 4778 Trinity Along Trinity River and old Hwy. 3, N of Eagle Creek Campground 823 Comment
  RSA790233  Dichelostemma multiflorum Rebecca Wenk 2005-7-18 300 Trinity Scott Mountains, border between Trinity and Siskiyou Counties, along Hwy 3, Scott Mountain Campground. 503 Comment
  CHSC30917  Dieteria canescens var. shastensis M. S. Taylor 1980-7-23 3178 A Trinity In loop in rd 42N17, on n side of the road, ca. 14.5 mi ne of its jct with Hwy 3, at Trunble's Ranch, 0.7 mi s of 40N45 turnoff. 1889 Comment
  UCD123709  Digitalis purpurea Joseph M. DiTomaso 1976-8-20 675 Trinity Trinity Alps; next to North Fork Coffee Creek, Hodges Cabin. 1402 Comment
  CHSC114651  Diplacus kelloggii J. Kierstead 1991-4-27 90 -41 Trinity Weaverville Ranger Dist. Stuart Fork of the Trinity River; on decomposed granite 0.2 miles east of the Trinity River Resort along Forest Sservice Rd. 35N33Y. Comment
  RSA211276  Dodecatheon alpinum subsp. majus William J. Ferlatte 1967-7-6 620 Trinity Dorleska Mine 1982 Comment
  SEINET7073497  Dodecatheon clevelandii A. G. Vestal 1963-6-5 s.n. Trinity About 4.3 miles south of Hayfork on Route 3. UTM Zone 10, 485846mN, 4482358mN. Coordinate datum: NAD27. Comment
  CAS-BOT-BC227803  Dodecatheon hendersonii Eugene Carter 1975-4-27 927 Trinity East Fork of North Fork Trinity River. South of Store Gulch 518 Comment
  UCR37604  Dodecatheon hendersonii L. Linstedt, M. A. Strull, C. Houseman 1984-4-12 30 Trinity At Dubakella Mtn 976 Comment
  HSC40912  Dodecatheon hendersonii J. P. Smith, J. O. Sawyer 1975-5-11 2691 Trinity Shasta-Trinity-Whiskeytown Rec. area, around Fawn Campground Comment
  HSC67618  Dodecatheon hendersonii J. P. Smith, J. O. Sawyer 1973-4-15 6147 Trinity 0.1 mi. N of the S end of Eagle Creek Loop on SR 3 884 Comment
  SEINET11973416  Dodecatheon hendersonii J. P. Tracy 1950-1 18631 Trinity about 3 mi S of Kuntz. Van Duzen River. 4 mi SE of Low Gap 792 Comment
  UCD13251  Dodecatheon jeffreyi K. Mawdsley 1996-7-8 3 Trinity California: Trinity Co. S end of Boulder Lake. T36N, R8W, Sect. 20. Elev. 6070. Comment
  UC902231  Downingia elegans Joseph P. Tracy 1941-6-29 16949 Trinity Hettenshaw Valley 944 Comment
  CAS-BOT-BC94555  Downingia pulcherrima R. C. Wenk 2006-9-3 562 Trinity Coffee Creek Road, Big Flat Meadow, at N end of meadow 1536 Comment
  HSC4752  Downingia yina William J. Ferlatte 1966-8-4 319 Trinity Dorleska Mine 1982 Comment
  HSC90901  Draba aureola Jennifer Whipple 1977-7-20 1982 Trinity Summit region of Mt. Eddy, Trinity and Siskiyou Cos. 2744 Comment
  CHSC507  Draba howellii V. Holt 1942-8-13 Trinity Deer Lake, Trinity Alps. 2438 Comment
  UC1553510  Draperia systyla E. Dean 1988-6-29 91 Trinity Trinity Lake area. North of Bridge Camp and Trinity Alps Road 1160 Comment
  UC184645  Draperia systyla Harry S. Yates 1914-6-26 453 Trinity Slate Creek Comment
  HSC78002  Draperia systyla John S. Palmer 1974-7-3 222 Trinity Bear Lakes area; along trail to Big Bear Lake. 1463 Comment
  HSC82369  Drymocallis ashlandica Thomas W. Nelson, Jane P. Nelson 1978-7-24 4485 Trinity Along road to Bully Choop, 100 m N of junction with road to lookout 1768 Comment
  UCD113153  Drymocallis glandulosa var. reflexa Joseph M. DiTomaso 1975-7-22 174 Trinity 1/8 mile east of Boulder Creek on Lion Lake Trail. 1645 Comment
  UC183545  Drymocallis lactea var. austiniae Joseph P. Tracy 1913-6-24 4296 Trinity 6 mi above Ruth (hillslopes of Mad River Valley); Northern Coast Ranges, Mad River Valley 914 Comment
  UCD113025  Drymocallis lactea var. austiniae Joseph M. DiTomaso 1975-6-24 48 Trinity Below Gibson Meadows on rocky slope of Granite Creek Trail. 1767 Comment
  CAS-BOT-BC159300  Drymocallis lactea var. lactea C. L. Hitchcock; J. S. Martin 1939-7-11 5378 Trinity Cliffs between uppere and lower Canyon Creek Lake, Salmon-Trinity Alps, 11 miles north of Dedrick 1889 Comment
  CAS-BOT-BC163122  Drymocallis lactea var. lactea Eugene Carter 1973-7-24 625 Trinity Lower Grizzly Meadow, North Fork Trinity River, Hobo Gulch Camp and vicinity, 18 mi. NW of Weaverville 1706 Comment
  HSC27504  Dryopteris arguta J. P. Smith 1973-4-7 5945 Trinity New River Trail from Grays Falls Campground, on the N side of the Trinity River and W side of the New River. 244 Comment
  CAS-BOT-BC113522  Eleocharis bella John Thomas Howell 1936-8-27 128960 Trinity Near Trinity Center. Comment
  RSA41921  Eleocharis bella H. C. Cantelow 1936-8-22 1607 Trinity Trinity County: near Scott Ranch Comment
  CHSC82151  Eleocharis decumbens L. P. Janeway 2001-7-15 7339 Trinity Klamath Ranges. At an un-named spring along Road 29 0.3 km southwest of the crossing of East Fork Smoky Creek; 3.1 km west of Red Mountain. 1130 Comment
  CHSC82638  Eleocharis macrostachya L. P. Janeway 2001-7-8 7309 Trinity Klamath Ranges. On ridgetop 2.4 km north of Red Mountain. Vernal pool on ridgetop. 1660 Comment
  HSC46756  Eleocharis macrostachya William J. Ferlatte 1974-7-26 1591 Trinity Big Flat at head of Coffee Creek, S side of Lake Martin 1524 Comment
  CAS-BOT-BC113102  Eleocharis obtusa Peter H. Raven; R. Snow 1958-7-18 13580 Trinity 2.0 miles north of Minersville on road to Trinity Center. Comment
  HSC7331  Eleocharis parishii R. Spellenberg 1965-6-13 1115 Trinity N of Moss Lumber Co., below log pond Comment
  UCR133583  Elymus elongatus Thomas W. Nelson, Jane P. Nelson 1976-7-26 3025 Trinity Flora of the Lassics, along 1S07 west of Black Lassic, on Trinity/Humboldt county line 1616 Comment
  HSC65029  Elymus elymoides var. californicus D. L. Goforth 1979-7-21 305 Trinity Trinity Alps Wilderness Area. 1890 Comment
  HSC73529  Elymus elymoides var. elymoides Gail Newton 1980-7-13 1455 Trinity Near Mule Ridge 1646 Comment
  HSC101387  Elymus glaucus subsp. glaucus J. P. Smith, J. O. Sawyer, R. J. Cole 2010-6-13 12921 Trinity Along Prospector Court, W of Coffee Creek Road. 912 Comment
  HSC58457  Elymus multisetus Gilbert Muth 1979-7-17 8327 Trinity Near Barry Creek, close to the town of Mad River 876 Comment
  HSC71519  Elymus multisetus M. A. Baker 1980-7-2 2670 Trinity Near Horsehead Mtn. 1737 Comment
  HSC71748  Elymus multisetus M. A. Baker 1980-7-1 2561 Trinity Near Hayden Roughs. 1402 Comment
  HSC102670  Elymus triticoides J. P. Smith 2009-6-1 12627 Trinity At Leersia pond. Comment
  UC1553566  Elytrigia intermedia subsp. intermedia E. Dean 1988-6-27 81 Trinity old logging road 35N72Y-A just w Stoney Creek; Trinity Lake Area 780 Comment
  JEPS74623  Epilobium anagallidifolium William J. Ferlatte and Alice Q. Howard 1970-8-11 1303 Trinity n side of pk above Grizzly L.; Trinity Alps, Thompson Pk. 2499 Comment
  RSA105385  Epilobium angustifolium subsp. circumvagum Douglas Barbe 1955-8-4 356 Trinity 2.6 miles north of Big Flat on Coffee Creek road 1463 Comment
  UC562416  Epilobium brachycarpum Joseph P. Tracy 1935-8-3 14489 Trinity Mary Blaine Mt. 1950 Comment
  UCD105406  Epilobium brachycarpum Richard Spellenberg 1965-8-13 1226 Trinity Spellenberg property about 2 miles E of Burnt Ranch. Comment
  HSC16339  Epilobium brachycarpum David Adams 1960-9-5 Trinity Hwy. 299, 23 mi. E of Weaverville 854 Comment
  UCD105603  Epilobium canum subsp. latifolium Dean Wm. Taylor; Kathleen A. Teare 1979-9-9 7673 Trinity Twin Sisters Mountain. 1655 Comment
  CAS-BOT-BC171818  Epilobium canum subsp. latifolium C. Edward Graves 1934-8-1 s.n. Trinity Canyon Lakes 1981 Comment
  HSC66276  Epilobium ciliatum M. A. Baker 1980-7-13 2903 Trinity Near Mule Ridge. 1585 Comment
  CHSC53274  Epilobium ciliatum subsp. ciliatum L. P. Janeway 1987-6-29 2372 Trinity Old floodplain of Trinity River near mouth of Grass Valley Cr; 'Lowden Ranch.' On N side of Lewiston Rd 1.8 mi from hwy 299. 533 Comment
  HSC54057  Epilobium ciliatum subsp. ciliatum G. L. Clifton, Butler 1979-7-17 8082 Trinity Near Clover Gulch, close to the town of Mad River 893 Comment
  UC1198499  Epilobium densiflorum Joseph P. Tracy 1926-7-4 7720 Trinity near mouth of South Fork of Trinity River; Northern Coast Ranges, Donahue's Ranch 243 Comment
  UC630640  Epilobium densiflorum Joseph P. Tracy 1939-9-4 16498 Trinity 3 mi below Hettenshaw Valley (along creek); Van Duzen River 914 Comment
  HSC48437  Epilobium foliosum J. P. Smith, J. O. Sawyer, Thomas W. Nelson 1978-5-7 9871 Trinity County Line Rd. along Brown's Creek. 671 Comment
  HSC40434  Epilobium foliosum J. O. Sawyer 1973-6-6 2520 Trinity Along trail to Big Bear Lake 1433 Comment
  RSA49245A  Epilobium foliosum P. A. Munz 1949-5-16 13245 Trinity 8 Miles below Dedrick 671 Comment
  HSC24185  Epilobium glaberrimum subsp. fastigiatum D. E. Anderson 1971-7-28 5468 Trinity Near E Weaver Lake, 1 mi. from Weaver Bally Lookout on FS Rd. 33N38 1921 Comment
  HSC92091  Epilobium glaberrimum subsp. fastigiatum Jennifer Whipple 1976-7-26 1594 Trinity Above Deadfall Creek 2226 Comment
  UC562355  Epilobium glaberrimum subsp. glaberrimum Joseph P. Tracy 1935-8-5 14548 Trinity at head of White's Creek Devil's Canyon Mts 2072 Comment
  HSC23428  Epilobium hallianum D. E. Anderson 1971-7-28 5452 Trinity Near E Weaver Lake, 1 mi. from Weaver Bally Lookout on FS Rd. 33N38 1921 Comment
  JEPS39226  Epilobium hallianum W. L. Jepson 1897-7-24 14471 Trinity South Yallo Balley Comment
  UC169748  Epilobium hallianum Mrs. M. H. Manning 1901-1 66 Trinity Trinity Summit Comment
  UC1713134  Epilobium hallianum Mrs. M. H. Manning June 1901 66 1/2 Trinity Trinity Summit Comment
  UC314611  Epilobium hallianum Joseph P. Tracy 1923-7-1 6505 Trinity near summit (on road to Low Gap of Mad River); Northern Coast Ranges, South Fork Mountain 1066 Comment
  CAS-BOT-BC165942  Epilobium hallianum J. P. Smith; J. O. Sawyer 1973-7-4 7113 Trinity Trail 11W26 from Road 80 between Dubakella and South Dubakella Mountain 1524 Comment
  HSC39112  Epilobium minutum A. M. Montalvo 1975-5-16 234 Trinity Trails above the Trinity River at Grays Falls Campground 310 Comment
  HSC44414  Epilobium minutum Carolyn Sanford 1977-5-21 377 Trinity Eagle Creek Campground 851 Comment
  HSC73825  Epilobium minutum Gail Newton 1980-7-10 1264 Trinity Near Senteney Rock 1463 Comment
  HSC59073  Epilobium minutum Thomas Wood 1979-4-27 131 Trinity 6 mi. E of Big Flat on Hwy. 299, above Trinity River 442 Comment
  HSC68647  Epilobium minutum Thomas W. Nelson, Jane P. Nelson 1980-6-18 5552 Trinity Shasta-Trinity National Forest, Friend Mtn. along FS Rd. 2N15 1372 Comment
  HSC71805  Epilobium minutum Thomas W. Nelson, Jane P. Nelson 1980-6-27 5929 Trinity Along FS Rd. 2S08, 0.6 mi. S of junction with FS Rd. 1S07 1646 Comment
  JEPS121754  Epilobium oreganum Julie Kierstead Nelson, Susan Erwin, Martin Lenz 2009-8-2 2009 -010 Trinity Common along margins of isolated, sloping wetland in Upper Hayfork Creek watershed, ca. 200m east of Forest Road 30; 3 miles south of Hwy. 36. Comment
  CHSC97978  Epilobium siskiyouense Jennifer Whipple 1977-9-9 2310 Trinity Klamath Mountains, Mount Eddy. Deadfall drainage near the upper Deadfall Lakes. 2438 Comment
  HSC54078  Equisetum arvense Overton 1979-7-17 8139 Trinity Near Horse Ridge, close to the town of Mad River. 1356 Comment
  JEPS94715  Equisetum hyemale subsp. affine Vernon Oswald and Lowell Ahart 1998-5-14 9069 Trinity 1.4 mi n of Gemmill Gulch Picnic Area (Wildwood Road 6.7 mi n of Highway 36); Wildwood Road 1024 Comment
  HSC27503  Equisetum telmateia subsp. braunii J. P. Smith 1973-4-7 5946 Trinity New River Trail from Grays Falls Campground, on the N side of the Trinity River and W side of the New River. 244 Comment
  HSC60048  Equisetum telmateia subsp. braunii M. A. Baker 1977-5-8 263 Trinity Philpot Campground Comment
  HSC73626  Eremogone congesta Gail Newton 1980-7-10 1275 Trinity Near Senteney Rock 1463 Comment
  SBBG16230  Eremogone congesta H. and M. Dearing 1939-6-26 3724 Trinity Horse Ridge Lookout, Trinity Mtns Comment
  JEPS77443 Image available Ericameria bloomeri William J. Ferlatte 1976-9-21 1838 Trinity on e side Coffee Creek Rd. (se side of Lake Martin, at head of Coffee Creek); Trinity Alps, Big Flat, Coffee Creek 1524 Comment
  UC1118723  Ericameria greenei H. A. Jensen 1931-9-1 224 Trinity Grizzly Mountain Trinity National Forest, Hoaglin Quadrangle, Grizzly Mountai 1645 Comment
  CHSC34503  Ericameria ophitidis J. D. Jokerst 1981-9-22 1475 Trinity Ca 150 M S of the W end of logging road spur. Comment
  JEPS81075  Ericameria ophitidis Thomas W. Nelson and Jane P. Nelson 1980-8-21 6251 Trinity along road 29N73 1/2 mi e junction with road 30N29; Six Rivers National Forest, Dubakella Quad. 1371 Comment
  CHSC114606  Ericameria ophitidis Mike Friend 2001-7-31 01100 Trinity Hayfork Ranger District, park on FS Road 29N34 ca .2 miles east of intersection of FS Roads 29N34 and 29N35 and walk ca. .2 miles at 135 degrees. 1365 Comment
  RSA21149  Erigeron aliceae C. B. Wolf 1937-8-12 9177 Trinity North Coast Range, South Fork Mt., 5.7 miles S of Cold Spring Lookout. 1372 Comment
  CHSC63497  Erigeron bloomeri var. bloomeri Vernon H. Oswald; Lowell Ahart 1994-8-1 6439 Trinity Forest Rd. 17 at the upper trailhead to Deadfall Lakes, ca. 2.5 mi (air) WNW of Mt. Eddy. On the W side of the road. 2011 Comment
  CAS-BOT-BC294482  Erigeron bloomeri var. bloomeri Thomas W. Nelson; Jane P. Nelson 1980-7-17 6106 Trinity North Coast Ranges. Along Forest Service road 17 at summit of county line 2072 Comment
  UC1299246  Erigeron bloomeri var. bloomeri Freed W. Hoffman 1950-7-6 3527 Trinity road 2.1 mi n Red Mt. Guard Station; North Coast Ranges, Red Mt. Comment
  UC184868  Erigeron cervinus Harry S. Yates 1914-7-14 504 Trinity Stuarts Forts 853 Comment
  CHSC30928  Erigeron divergens M. S. Taylor 1980-7-21 3148 A Trinity Big Flat, at end of Coffee Creek Rd, Helen and Gil Gates property. 1554 Comment
  HSC46878  Erigeron divergens William J. Ferlatte 1976-9-21 1834 Trinity Big Flat at head of Coffee Creek W of Coffee Creek Rd., 20m W of Foote Cabin site 1524 Comment
  CAS-BOT-BC300380  Erigeron eatonii var. plantagineus Milo S. Baker 1926-8-8 241 b-'26 Trinity In Saddle bet. Red Mt. and Granite Peak 2194 Comment
  CHSC63319  Erigeron eatonii var. sonnei Vernon H. Oswald; L. Ahart 1994-6-14 6280 Trinity Forest Rd. 25 W of Castella, 1.0 mi SW of its jct. with Forest Rd. 26 to Mt. Shasta (city), between Horse Heaven Mdw. and Asbestos Gulch. 1584 Comment
  CAS-BOT-BC300628  Erigeron foliosus var. hartwegii D. H. Norris 1970-5-9 12148 Trinity Along Trinity River at Burnt Ranch Bridge Comment
  JEPS77433  Erigeron glacialis var. glacialis William J. Ferlatte 1975-8-23 1715 Trinity w shore Lake Anna; Trinity Alps, Lake Anna 2285 Comment
  CAS-BOT-BC295412  Erigeron inornatus H. M. Hall 1909-7-1 8630 Trinity Salmon Mountains. Coffee Creek 1310 Comment
  HSC57232  Erigeron inornatus var. inornatus G. L. Clifton, Butler 1979-7-17 7498 Trinity Near Jones Ridge, close to the town of Mad River 1388 Comment
  HSC78304  Erigeron inornatus var. inornatus John S. Palmer 1974-9-14 263 Trinity Bear Lakes area 1677 Comment
  HSC78435  Erigeron inornatus var. inornatus John S. Palmer 1974-9-15 282 Trinity Bear Lakes area, rock chute SW of Big Bear Lake 1860 Comment
  HSC357  Erigeron lassenianus William J. Ferlatte 1967-8-17 968 Trinity Flat bench on ridge W of head of Bullards Basin 2043 Comment
  UCD131871  Erigeron lassenianus Joseph M. DiTomaso 1976-7-6 562 Trinity around half way between Mumford Meadows and Fosters Cabin on Swift Creek Trail. 1645 Comment
  CAS-BOT-BC295481  Erigeron lassenianus var. lassenianus Lester Rowntree 1936-7-16 s.n. Trinity Above Granite Creek, Trinity Mts. Comment
  RSA211198  Erigeron lassenianus var. lassenianus William J. Ferlatte 1967-8-17 968 Trinity Flat bench on ridge west of the head of Bullards Basin. 2043 Comment
  SD98915  Erigeron petrophilus Darley F. Howe 1977-6-30 4957 Trinity Weaver Bally Road 1675 Comment
  UCD132016  Erigeron petrophilus Joseph M. DiTomaso 1975-8-12 255 Trinity Trinity Alps, just above Deer Creek Trail on Black Basin Trail. 1859 Comment
  HSC46777  Erigeron petrophilus var. viscidulus J. M. DiTomaso 1975-8-12 255 Trinity Just above Deer Creek Trail on Black Basin Trail 1860 Comment
  HSC65472  Erigeron petrophilus var. viscidulus Gail Newton 1980-7-2 955 Trinity Near N Kelsey Peak 350 Comment
  JEPS105034  Erigeron petrophilus var. viscidulus Dean W. Taylor 1996-7-7 15825 Trinity Scott Mountains; Hwy 3 about 2 mi N of Scott Mountain Pass; Shasta - Trinity National Forest; Klamath region 1402 Comment
  HSC56850  Eriodictyon californicum Walter Overton 1979-7-18 8753 Trinity Near Van Horn Creek, close to the town of Mad River 1067 Comment
  RSA1086  Eriodictyon californicum E. R. Johnson 1928-8-29 1180 Trinity Between Lewiston and Weaverville. Comment
  UCD119250  Eriodictyon californicum Joseph M. DiTomaso 1975-7-2 99 Trinity 50 yards above Stuarts Fork Trail on Sawtooth Ridge Trail. 1524 Comment
  HSC72844  Eriogonum compositum Gail Newton 1980-7-1 853 Trinity Near Hayden Roughs 1219 Comment
  CHSC118470  Eriogonum compositum var. compositum Wendy Boes 2014-6-21 2014 -003 Trinity Little Black Roack on Dead Hourse Ridge, Shasta Trinity National Forest. (UTM 495539 E, 4466121 Y, NAD83, Zone 10N; 1456 Comment
  JEPS105032  Eriogonum congdonii Dean W. Taylor 1996-7-7 15830 Trinity Scott Mountains; Hwy 3 about 2 mi N of Scott Mountain Pass, Shasta - Trinity National Forest; Klamath region 1402 Comment
  UC672917  Eriogonum elatum Joseph P. Tracy 1935-8-3 14454 Trinity Mary Blaine Mt. 1950 Comment
  CHSC30254  Eriogonum libertini M. S. Taylor; T. Nelson 1980-8-21 3281 Trinity Open serpentine ridge, on s side of 29N59, ca. 0.5 mi e of the jct of 30N29, 29N59, and 29N58, 0.5 mi n of Swim Meadow. 1402 Comment
  HSC68874  Eriogonum libertini Thomas W. Nelson, Jane P. Nelson 1980-6-20 5690 Trinity Shasta-Trinity National Forest, along FS Rd. 30N46 at Blue Point on Blue Point Ridge 1372 Comment
  RSA293085  Eriogonum libertini Thomas W. Nelson, Jane P. Nelson 1980-6-19 5626 Trinity Shasta-Trinity National Forest; Along Route 3, 0.3-0.5 miles south of Salt Creek Bridge. 762 Comment
  CAS-BOT-BC263669  Eriogonum luteolum var. luteolum P. A. Munz 1936-8-12 14373 Trinity 12 miles east of Forest Glen 1005 Comment
  CAS-BOT-BC263684  Eriogonum luteolum var. luteolum John Thomas Howell 1955-7-17 30687 Trinity Weaverville 609 Comment
  CAS-BOT-BC263687  Eriogonum luteolum var. luteolum John Thomas Howell 1955-7-17 30699 Trinity Slopes southwest of Peanut 762 Comment
  UC1735826  Eriogonum luteolum var. luteolum Dean W. Taylor 1992-6-12 12745 Trinity South Dubakella Mountain, E facing slope 0.3 mile North of the summit 1767 Comment
  HSC78012  Eriogonum marifolium John S. Palmer 1973-6-17 12 Trinity Bear Lakes Area, below Big Bear Lake 1707 Comment
  HSC76599  Eriogonum nudum Athy Ferguson 1981-7-23 8186 Trinity Near Jones Ridge 1408 Comment
  CHSC37782  Eriogonum nudum var. nudum M. S. Taylor 1982-10-20 5170 Trinity Douglas City Recreation Area (BLM Campground), ca. 1/2 mi sw of Douglas City. 487 Comment
  HSC33276  Eriogonum nudum var. nudum Thomas W. Nelson 1973-8-19 1105 Trinity N of Black Lassic 1524 Comment
  JEPS128835  Eriogonum nudum var. nudum Julie Kierstead Nelson with Rhonda Posey 2017-7-18 2017 -046 Trinity The Eddys; eastern Klamath Ranges; Parks Creek Road (County Road 17); just south of Trinity/Siskiyou divide. Comment
  UC582995  Eriogonum nudum var. nudum P. A. Munz 1936-8-11 14345 Trinity Forest Glenn 701 Comment
  HSC40477  Eriogonum nudum var. nudum J. O. Sawyer, Kevin Sawyer, J. P. Smith 1974-6-27 2626 Trinity Slopes on top of Siligo Peak. 2470 Comment
  HSC840  Eriogonum nudum var. nudum William J. Ferlatte 1967-8-8 844 Trinity Canyon Creek Lakes 1646 Comment
  RSA78402  Eriogonum nudum var. nudum P. A. Munz 1952-6-29 17837 Trinity 0.25 miles S of Hobo Gulch Public Camp, North Fork of Trinity River, north of Helena. 945 Comment
  HSC17316  Eriogonum nudum var. pubiflorum William J. Ferlatte, B. D. Rogers 1966-6-1 2045 Trinity 3 mi. N of Junction City 579 Comment
  RSA393622  Eriogonum nudum var. pubiflorum M. B. Dunkle 1936-8-21 4850 Trinity Boise Creek 366 Comment
  RSA258868  Eriogonum sphaerocephalum Thomas W. Nelson 1973-7-10 1041 Trinity Along Mule Ridge south-east of Red Lassic. Comment
  CHSC82117  Eriogonum strictum var. greenei L. P. Janeway 2001-7-16 7352 Trinity Klamath Ranges. Ridgetop 1.0 km south of Dubakella Mountain. 1715 Comment
  HSC32540  Eriogonum strictum var. greenei Thomas W. Nelson 1973-7-10 1041 Trinity Along Mule Ridge SE of Red Lassic Comment
  UC1299715  Eriogonum strictum var. proliferum Freed W. Hoffman 1948-7-16 2358 Trinity 1.1 mi w Peanut; North Coast Ranges Comment
  HSC76600  Eriogonum umbellatum Athy Ferguson 1981-7-23 8182 Trinity Near Jones Ridge 1408 Comment
  CHSC30830  Eriogonum umbellatum var. argus M. S. Taylor; T. Nelson 1980-8-21 3292 Trinity Blue Point Ridge jeep rd, 0.6 mi n of its jct with 29N55, just w of Dubakella Mt. 1615 Comment
  CHSC82119  Eriogonum umbellatum var. argus L. P. Janeway 2001-7-16 7351 Trinity Klamath Ranges. Ridgetop 1.0 km south of Dubakella Mountain. 1715 Comment
  HSC17373  Eriogonum umbellatum var. argus D. E. Anderson 1961-10-7 1861 Trinity 1982 Comment
  NY323626  Eriogonum umbellatum var. humistratum J. L. Reveal 1974-8-17 3794 Trinity Along the western ridge of the summit of Scott Mountain 2081.8 Comment
  SEINET3025886 Image available Eriogonum umbellatum var. humistratum J. L. Reveal, C. G. Reveal 1974-8-17 3794 Trinity Along the western ridge of the summit of Scott Mountain. 2080 Comment
  RSA49931  Eriogonum umbellatum var. polyanthum E. K. Balls 1949-7-6 13849 Trinity Trail to Scorpion Creek, off main road from Trinity Center to Scott Mountain. 732 Comment
  HSC42566  Eriogonum umbellatum var. speciosum Robert M. Specht 1977-6-28 1092 Trinity Ridge on Round Mtn. 1494 Comment
  CDA10816  Eriogonum ursinum var. erubescens G. F. Hrusa 1993-7-24 11390 Trinity Trinity Mountains; N of saddle at end of ridge to N of Bonanza King Lookout. 1584 Comment
Read comments
Sep 21 2011
  JEPS87800  Eriophorum crinigerum Vernon H. Oswald and Lowell Ahart 1994-8-1 6424 Trinity ca. 5 mi. (air) s.w. Mt. Eddy (Forest Rd. 40N45, 4.3 mi. n. of Forest Rd. 26) 1889 Comment
  RSA125822  Eriophyllum lanatum Arthur R. Kruckeberg 1954-8-10 3733 Trinity In granitic talus, s. facing slopes about Sapphire Lake, Trinity Alp, Salmon-Trinity Primitive Area 2287 Comment
  HSC51318  Eriophyllum lanatum var. achilleoides G. L. Clifton, Overton 1979-6-4 4068 Trinity Near Van Duzen River, close to the town of Alderpoint 853 Comment
  CAS-BOT-BC183879  Eriophyllum lanatum var. grandiflorum Eugene Carter 1974-6-26 846 Trinity Salmon-Trinity Alps and vicinity. Along the Hobo Gulch Road 716 Comment
  CAS-BOT-BC308211  Eriophyllum lanatum var. grandiflorum Alice Eastwood; John Thomas Howell 1937-6-25 4900 Trinity Trinity Alps Resort Comment
  HSC59975  Eriophyllum lanatum var. grandiflorum M. A. Ericksen 1979-6-22 312 Trinity Horsehead Mtn. 1788 Comment
  UC133114  Eriophyllum lanatum var. grandiflorum Alice Eastwood 1901-7-1 Trinity Canon Creek Twin Lakes, Canon Creek Comment
  UCD101240  Eriophyllum lanatum var. grandiflorum Daniel Sanchez-Mata; Tomas Santamaria 2004-8-10 s.n. Trinity Mount Eddy from Stewart Springs Road (Weed).Upper Deadfall Lake at the base of Mount Eddy. 2340 Comment
  UC933439  Eriophyllum lanatum var. lanceolatum Annie M. Alexander and Louise Kellogg 1948-8-14 5489 Trinity Stuarts Fork of Trinity River Trinity Mountains 723 Comment
  CAS-BOT-BC301738  Eriophyllum lanatum var. lanceolatum C. L. Hitchcock; J. S. Martin 1939-7-11 5370 Trinity Just below lower Canyon Creek Meadow, 10 mi. n. of Dedrick, in Salmon-Trinity Alps 1676 Comment
  CAS-BOT-BC54607  Erysimum capitatum P. A. Munz 1951-7-21 16783 Trinity North Yolla Bolly Mountains. Fisher Ridge. 2133 Comment
  CAS-BOT-BC54603  Erysimum capitatum Doris K. Kildale 1927-4-1 3038 Trinity Big Bar. Trinity River. Comment
  CAS-BOT-BC54611  Erysimum capitatum Eugene Carter 1968-6-11 170 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity. (18 miles northwest of Weaverville). 1066 Comment
  HSC34438  Erysimum capitatum var. capitatum J. P. Smith, J. O. Sawyer 1973-7-4 7016 Trinity Hillside S and W of S Dubakella Mtn. 1524 Comment
  HSC45607  Erysimum capitatum var. capitatum Diane L. Reed 1978-5-13 73 Trinity Philpot Campground 793 Comment
  HSC51035  Erysimum capitatum var. capitatum G. L. Clifton, Walter Overton 1979-6-3 3876 Trinity Near Hettenshaw Valley, close to the town of Alderpoint. 884 Comment
  HSC191  Erysimum perenne William J. Ferlatte 1967-8-11 891 Trinity Grizzly Lake basin, slope 0.5 mi. N of Grizzly Lake 1982 Comment
  HSC91044  Erysimum perenne Jennifer Whipple 1976-6-16 995 Trinity S facing slopes N of Deadfall Creek 2195 Comment
  CHSC99726  Erythranthe linearifolia L. P. Janeway 2008-7-23 9460 Trinity Klamath Ranges. Trinity Mountains; along Road 40N45 5.5 road km north-northwest of Road 26; southwest-facing slope overlooking Picayune Creek. Open roadside soggy seep. 1908 Comment
  SEINET8370243  Erythranthe tilingii Unknown 1970-8-9 1292 Trinity Boulder Cr. Lakes. 1890 Comment
  CAS-BOT-BC313709  Erythranthe trinitiensis Volney Rattan 1883-6-1 s.n. Trinity Hyampom Comment
  HSC67355  Erythronium californicum Thomas W. Nelson, D. Gordon 1980-5-8 5243 Trinity Along FS Rd. 2N10 at junction with FS Rd. 2N10 B 1280 Comment
  JEPS109654  Erythronium californicum Dean W. Taylor 2002-4-18 17983 Trinity Stony Ridge, watershed of Stony Creek, along logging road about 1.5 miles north from Highway 3 1005 Comment
  CAS-BOT-BC502694  Erythronium californicum Elmer I. Applegate 1932-4-14 7050 Trinity About 2 miles west of Weaverville, Trinity County Comment
  CAS-BOT-BC502697  Erythronium californicum G. R. Kleeberger 1880-5-2 s. n. Trinity Near Weaverville Comment
  RSA249352  Erythronium citrinum J. P. Smith 1973-4-21 6234 -a Trinity Big Bear Lake trail, north of Eagle Creek Campgroud 1037 Comment
  CAS-BOT-BC65240  Erythronium citrinum var. roderickii Jane E Van Susteren 2008-5-5 08 18 b Trinity Shasta-Trinity NF, Weaverville Ranger District, along forest road 37N47, south of Coffee Creek. 940 Comment
  JEPS100449  Erythronium citrinum var. roderickii Dean Wm. Taylor, Maricella Reyes 2003-4-9 18488 Trinity Along Bonanza King Lookout rd. 0.1 mi S of crossing of Scorpion Creek 1036 Comment
  JEPS100580  Erythronium citrinum var. roderickii Dean W. Taylor 2002-5-9 18039 Trinity Tangle Blue Creek; Scott Mountain Creek; Tangle Blue Creek, north facing wall of the lower creek canyon opposite (south 0.5 air mile) the confluence of Scott Mountain Creek 1219 Comment
  RSA256731  Eschscholzia caespitosa subsp. caespitosa Jim Sauser 1975-5-17 53 Trinity Trail to Denny at the confluence of New River and Trinity River; Humboldt Meridian. 310 Comment
  HSC23543  Eschscholzia californica J. O. Sawyer 1970-4-18 2500 Trinity Above the New River at its junction with the Trinity River 244 Comment
  UC1112872  Eschscholzia californica H. K. Wagnon 1957-7-27 1649 Trinity ca 1 1/2 mi s Trinity Center (near Swift Cr.) Comment
  HSC35131  Eschscholzia californica John S. Palmer 1975-5-17 341 Trinity Trail to Denny at the confluence of New River and Trinity River 310 Comment
  CHSC114587  Euonymus occidentalis var. occidentalis Jennifer Koziatek 1994-9-14 Trinity Shasta-Trinity National Forest. Salt Watershed; Deer Gulch. 880 Comment
  UC1051517  Euphorbia crenulata Helen K. Sharsmith 1953-6-26 4368 Trinity 4.2 mi w Cold Springs (Forest-Glen-Peanut road); Inner North Coast Ranges, Trinity National Forest 1158 Comment
  HSC62960  Euphorbia crenulata M. A. Ericksen 1979-5-12 275 Trinity Along Philpot Creek in Philpot Campground. 610 Comment
  HSC51177  Festuca californica G. L. Clifton, Overton 1979-6-4 4000 Trinity Near Van Duzen River, close to the town of Alderpoint. 853 Comment
  HSC58476  Festuca californica W. C. Overton 1979-7-18 8191 Trinity Near Horse Ridge, close to town of Mad River 1219 Comment
  HSC9851  Festuca californica R. H. Berg 1963-5-11 69 Trinity Near Mad River Ranger Station 915 Comment
  CAS-BOT-BC278396  Festuca elmeri L. R. Abrams 1916-7-22 6205 Trinity Between Mad-Trinity Rivers on Eureka-Red Bluff Rd. Comment
  CAS-BOT-BC278399  Festuca elmeri J. T. Gray 1912-1-1 195 Trinity Trinity National Forest Comment
  HSC24202  Festuca idahoensis Dennis Anderson, D. Santana, J. Lackey 1971-7-15 5296 Trinity South Fork Mtn., along FS 1S02, road to Pickett Peak, 0.4 mi. from junction with Hwy. 36 Comment
  HSC32303  Festuca idahoensis D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-16 5687 Trinity Along ridge road on South Fork Mtn., 10 mi. N of its junction with Hwy. 36 Comment
  HSC69667  Festuca idahoensis Thomas W. Nelson, J. O. Sawyer 1978-6-9 4135 Trinity Red Mtn. 1250 Comment
  HSC75032  Festuca idahoensis J. P. Smith 1979-6-15 10009 Trinity Eagle Creek Campground, Shasta-Trinity National Forest 854 Comment
  HSC75087  Festuca pratensis J. P. Smith, Thomas W. Nelson 1979-6-15 10107 Trinity Trinity River opposite its junction with Bear Creek. 915 Comment
  HSC68950  Frangula californica subsp. crassifolia Thomas W. Nelson, Jane P. Nelson 1980-6-22 5741 Trinity Along Hwy. 36 at Muldoon Gulch, Shasta-Trinity National Forest 1311 Comment
  HSC72222  Frangula californica subsp. crassifolia Thomas W. Nelson, Jane P. Nelson 1980-8-21 6253 Trinity Along Salt Creek road, 2 miles from jct. with Hwy. 3 793 Comment
  HSC78774  Frangula purshiana John S. Palmer 1973-9-7 194 Trinity Bear Lakes area, along trail to Big Bear Lake. 1723 Comment
  HSC30259  Frangula purshiana William J. Ferlatte 1972-8-7 1419 Trinity Boulder Creek Basin 1585 Comment
  UCD113125  Frangula rubra Joseph M. DiTomaso 1975-8-20 280 Trinity Willow Creek on Deer Creek Trail. 1645 Comment
  HSC47753  Fritillaria affinis Thomas W. Nelson, J. P. Smith 1978-5-6 3979 Trinity Along Philpot Creek at Philpot Campground 762 Comment
  JEPS55694  Fritillaria affinis Wayne Roderick 1966-5-30 Trinity 29 mi from Bridgeville (towards Xenia, 5 mi s of the Bridgeville-Mad River Park, along the Van Duzen River); Van Duzen River Comment
  HSC30746  Fritillaria atropurpurea D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-16 5682 Trinity Along ridge road on South Fork Mtn., 10 mi. N of its junction with Hwy. 36 Comment
  HSC42394  Fritillaria purdyi Richard Runyon 1977-7-17 Trinity Philpot Campground, 1.2 mi. W of Peanut 762 Comment
  HSC64338  Fritillaria recurva J. O. Sawyer, R. J. Cole 1978-4-28 3127 Trinity 2.5 mi. S of Hobo Gulch Campground 1098 Comment
  HSC65845  Fritillaria recurva R. York 1980-5-24 694 Trinity Near Long Ridge. 1036 Comment
  HSC73491  Fritillaria recurva Gail Newton 1980-7-13 1379 Trinity Near Red Rock. 1509 Comment
  RSA78046  Fritillaria recurva Philip A. Munz 1952-6-29 17809 Trinity 0.5 mile south of Hobo Gulch Public Camp, North Fork Trinity River, 14 miles north of Helena. 960 Comment
  SEINET3886821  Fritillaria recurva J. P. Smith 1973-4-15 6114 Trinity Along Coffee Creek Road, 1.4 miles west of S.R. 3.; 0 701 Comment
  HSC19775  Galium ambiguum subsp. ambiguum R. Spellenberg 1964-6-17 463 Trinity Underwood Mtn. Pass, Underwood Mtn. Rd., 12 mi. W of Burnt Ranch 1372 Comment
  JEPS52709  Galium ambiguum subsp. ambiguum Lauramay T. Dempster and G. L. Stebbins Jr. 1964-6-14 4015 Trinity on Hwy 36 w Forest Glen (just e of South Fork Summit) 710 Comment
  JEPS52724  Galium ambiguum subsp. ambiguum Lauramay T. Dempster and G. L. Stebbins Jr. 1964-6-14 4013 Trinity on Hwy 36 8 mi w Peanut (along creek) Comment
  JEPS79259  Galium ambiguum subsp. ambiguum Richard Spellenberg 1980-7-8 5559 Trinity ca 3 air mi s Burnt Ranch (e side of mt); Underwood Mtn, Hidden Lake Loop 1005 Comment
  UC1281739  Galium ambiguum subsp. ambiguum Richard Spellenberg 1965-6-12 1102 Trinity summit of pass Underwood Mtn. Pass (Underwood Mtn. Rd. ca 12 mi sw of Burnt Ranch) Comment
  JEPS52707  Galium ambiguum subsp. ambiguum Lauramay T. Dempster and G. L. Stebbins Jr. 1967-10-13 4367 Trinity exactly 1 mi n Elk Mtn. Ranger Station (1/4 mi w of Elk Mountain Rd at road summit) 1173 Comment
  JEPS52730  Galium ambiguum subsp. ambiguum Lauramay T. Dempster and G. L. Stebbins Jr. 1964-6-15 4034 Trinity on road to Covelo 16.1 mi s junction of Zenia-Ruth road (between Hoaglin road and Lake Mountain, crest and e-facing slopes) Comment
  HSC27530  Galium aparine J. P. Smith 1973-4-7 5968 Trinity New River Trail from Grays Falls Campground, on the N side of the Trinity River and W side of the New River. 244 Comment
  HSC73588  Galium aparine Gail Newton 1980-7-10 1290 Trinity Near Senteney Rock 1463 Comment
  HSC78001  Galium bifolium John S. Palmer 1973-6-19 40 Trinity Bear Lakes area, along trail to Big Bear Lake 1646 Comment
  HSC90525  Galium bifolium Jennifer Whipple 1976-6-25 1146 Trinity Mt. Eddy, S facing slopes N of Deadfall Lake in the Deadfall drainage 2195 Comment
  UC169076  Galium bifolium Joseph Burtt Davy and Walter C. Blasdale Jun 21 1899-Jun 23 1899 5789 Trinity Trinity Summit North Coast Ranges Comment
  UC416633  Galium bolanderi Harry S. Yates 1914-6-26 456 Trinity Slate Creek 1280 Comment
  SEINET10500719  Galium glabrescens Mary Susan Taylor 1980-7-23 Taylor 3179 Trinity T40N R6W ne sec 15, China Mt quad. Shasta-Trinity Natl Forest, on open serpentine slope in loop in rd 42N17, on N side, ca. 14.5 mi NE of its jct with Hwy 3 at Trumble's Ranch, 0.7 mi S of 40N45 turnoff. 1890 Comment
  HSC398  Galium glabrescens subsp. glabrescens William J. Ferlatte 1967-7-6 639 Trinity Ridge between Landers Lake and Union Lake 2134 Comment
  SEINET6413217  Galium glabrescens subsp. glabrescens R. Spellenberg 2014-7-24 14892 Trinity 9 air km NW of Weaverville on summit of Weaver Bally, just W of lookout. 2110 Comment
  UC922582  Galium glabrescens subsp. glabrescens Annie M. Alexander and Louise Kellogg 1948-8-10 5471 Trinity Upper Canyon Creek Lake Trinity Mountains 1767 Comment
  JEPS9484  Galium grayanum Jos. P. Tracy 1935-8-5 14560 Trinity Devil's Canyon Mt. 2133 Comment
  SEINET10500635  Galium parisiense Mary Susan Taylor 1980-6-11 Taylor 2831 Trinity T34N R12W ne 1/4 sec 6. Hyampom quad. Big Bar, on S side of Trinity River, in vicinity of bridge to Big Bar Camp ground. Shasta Natl Forest. 457 Comment
  CAS-BOT-BC94863  Galium porrigens R. C. Wenk 2008-9-1 1002 Trinity Coffee Creek Road 1127 Comment
  HSC399  Galium triflorum William J. Ferlatte 1967-8-7 831 Trinity Canyon Creek, ridge between 'L' Lake and Stuart Fork. 1829 Comment
  HSC57269  Galium triflorum Gilbert Muth 1979-7-18 8365 Trinity Near Deep Hollow Creek, close to the town of Mad River 1006 Comment
  HSC72895  Garrya buxifolia Gail Newton 1980-7-1 786 Trinity Near Hayden Roughs. 1250 Comment
  CAS-BOT-BC182210  Garrya fremontii Joseph P. Tracy 1925-9-6 7260 Trinity Trinity River near Don Juan Point 304 Comment
  HSC76619  Gayophytum diffusum subsp. parviflorum Alerie Gizinski 1981-8-19 288 Trinity Near Cable Creek 1317 Comment
  RSA41877  Gayophytum diffusum subsp. parviflorum H. C. Cantelow 1936-8-24 s.n. Trinity Summit of Scott Mt. 1631 Comment
  HSC92785  Gayophytum diffusum subsp. parviflorum Jennifer Whipple 1977-7-22 2064 Trinity W and SW-facing slopes above Deadfall Creek 2317 Comment
  SD42547  Gayophytum diffusum subsp. parviflorum Carl B. Wolf 1937-8-12 9159 Trinity North Coast Range, South Fork Mountain; 8.3 miles south of Cold Spring Lookout. 1372 Comment
  HSC41646  Gayophytum heterozygum Thomas W. Nelson, Jane P. Nelson 1977-7-30 3655 Trinity Along headwaters of S Fork of Black Lassic Creek just SE of Red Lassic 1585 Comment
  UC1196962  Gayophytum humile Joseph P. Tracy 1946-6-16 17576 Trinity Miller Spring South Fork Mountain (n of crossing of Trinity Hwy) 1463 Comment
  HSC19391  Gentiana calycosa J. O. Sawyer 1968-9-1 642 Trinity Along Limestone Ridge from Pony Mtn. to Marble Springs 1799 Comment
  UC562299  Gentiana calycosa Joseph P. Tracy 1935-8-5 14531 Trinity head White's Creek; Devil's Canyon Mts. 2072 Comment
  HSC32268  Gentiana newberryi J. O. Sawyer 1970-8-10 2374 Trinity Morris Meadows on Stuart Fork 1372 Comment
  HSC8513  Geranium molle John L. Heywood, D. H. Norris 1968-3-30 1860 Trinity Hwy. 299, 31 mi. E of Humboldt Co. line Comment
  HSC35073  Gilia capitata Scott M. Kruse 1975-5-17 31 Trinity On the trail to Denny at the confluence of the New River and the Trinity River 310 Comment
  HSC45983  Gilia capitata J. P. Smith 1975-5-17 8101 Trinity SE-facing slope on the trail to Denny at confluence of New River and Trinity River Comment
  HSC73190  Gilia capitata R. York 1980-5-25 749 Trinity Near Shannon Butte 701 Comment
  UCR45405  Gilia capitata Michelle A. Strull 1985-6-27 38 Trinity 0.1 mile east of Hayfork Bally lookout on Love Letter Springs Rd 1871 Comment
  HSC48783  Gilia capitata Brad Klipfel 1975-6-17 663 Trinity Along Titlow Hill Rd. Comment
  HSC23452  Gilia capitata subsp. capitata D. E. Anderson, D. Santana, J. Lackey 1971-7-15 5268 Trinity Along 1S07, Shanty Creek, 5 mi. W of Ruth Dam. 1341 Comment
  CAS-BOT-BC266524  Githopsis diffusa 1883-6-1 s.n. Trinity Hyampom Comment
  HSC34670  Githopsis diffusa subsp. robusta M. E. Wetherwax 1975-5-16 147 Trinity Trails above Trinity River at Gray's Falls Campground. 310 Comment
  UCR52360  Glossopetalon spinescens J. O. Sawyer 1983-6-17 4212 Trinity Ridge west of trail to Kangaroo Lake on Pacific Crest Trial. 1951 Comment
  HSC71690  Gnaphalium palustre Gail Newton 1980-6-26 625 Trinity Near Underwood Creek. 451 Comment
  RSA42023  Gnaphalium palustre H. C. Cantelow 1936-8-25 1568 Trinity Scott Ranch; near Saw Mill. Comment
  SEINET10474671  Gnaphalium palustre Mary Susan Taylor 1980-6-16 Taylor 2901 Trinity T29N R11W sw sec 28. Dubakella Mt quad. Shasta-Trinity Natl Forest; Hell-to-Find Lake, at end of 29N35, ca. 3 mi W of Hwy 30, and 4 mi S of Hwy 36, just off Rd 29N34, ca. 4 mi due SW of Wildwood. 1433 Comment
  CDA6060  Gnaphalium stramineum Yeager Aug 1929 Trinity 0 Comment
  RSA168826  Gnaphalium thermale Joseph P. Tracy 1942-9-6 17315 Trinity 1 mile S of McKay Camp. 1707 Comment
  UC429315  Goodyera oblongifolia H. S. Yates 1914-7-25 551 Trinity Buckeye Mountain 914 Comment
  JEPS82326  Hackelia amethystina Roger Raiche 1982-6-7 20554 Trinity near Deadfall Meadow (along road) 1920 Comment
  HSC74589  Hackelia bella M. A. Baker 1980-7-10 2689 Trinity Near Senteney Rock 1554 Comment
  SBBG6293  Hackelia bella H. and M. Dearing 1939-6-25 3712 Trinity rd to Blake Lookout 1524 Comment
  UC525566  Hackelia bella Joseph P. Tracy 1933-7-15 12741 Trinity South Fork Mountain; Northern Coast Ranges 1524 Comment
  UC582619  Hackelia bella Joseph P. Tracy 1937-7-29 15601 Trinity near head of 8-Mile Ridge; Northern Coast Ranges, South Fork Mountain 1645 Comment
  RSA78318  Hackelia bella P. A. Munz 1952-6-29 17855 Trinity Hobo Gulch Public Camp, North Fork of Trinity River, north of Helena. 899 Comment
  UCD119368  Hackelia bella Joseph M. DiTomaso 1975-7-22 188 Trinity 1/8 mile east of Union Creek Campground on trail to Foster Lake. 1798 Comment
  RSA789823  Hackelia micrantha Rebecca Wenk 2005-7-16 245 Trinity Coffee Creek, Big Flat Meadow. Growing along a small creek to the NW of the Gates cabin at the north end of Big Flat Meadow. 1555 Comment
  CHSC65220  Harmonia stebbinsii V. Parker 1994-6-8 662 Trinity Shasta-Trinity National Forests. Yolla Bolla Ranger District Pony Buck East. This is the type locality. 1355 Comment
  HSC96623  Harmonia stebbinsii Thomas W. Nelson, Jane P. Nelson 2003-6-16 9151 Trinity Along Forest Service road 29N33, 1 mi. W of junction with Forest Service road 29N34. 1540 Comment
  JEPS120243  Harmonia stebbinsii Julie Kierstead Nelson 2011-6-2 2011 -003 Trinity Upper Hayfork Creek watershed, west of Wild-Mad Road, south of Hwy. 36; ca. 45 miles west-northwest of Red Bluff. Comment
  UC1484502  Harmonia stebbinsii Thomas W. Nelson and Jane P. Nelson 1978-6-23 4337 Trinity along Forest Service Rd. to Hell to Find Lake; Dubakella Mountain Quad; Dubakella Mt., along Forest Service Road to Hell to Find Lake, Trinity Co. 1158 Comment
  UCD135787  Harmonia stebbinsii Bruce G. Baldwin 1986-6-28 611 Trinity 4.7 miles east of junction with Wildwood - Mad Road along Shasta-Trinity National Forest Road 28N10. Comment
  HSC15630  Hastingsia alba D. E. Anderson 1963-9-21 2831 Trinity Rd. to Big Lake, site of abandoned mill Comment
  HSC558  Hastingsia alba William J. Ferlatte 1966-6-30 153 Trinity Canyon Creek Lakes 1646 Comment
  SBBG116548  Hastingsia alba D. Wilken with E. Painter 2003-7-17 16156 Trinity immediately S of Scott Mtn Cmpgrd near Scott Mtn Summit 1650 Comment
  UC1553470  Hastingsia alba E. Dean 1988-6-28 86 Trinity stream w of upper reaches Elk Gulch (Trinity Lake area); Trinity Lake area 1460 Comment
  CAS-BOT-BC508231  Hastingsia alba H. C. Cantelow 1935-6-12 910 Trinity Trinity Alps Resort Comment
  HSC24072  Hastingsia alba J. O. Sawyer 1970-5-8 2628 Trinity 5 mi. SW of Primitive Area, E Fork of New River 610 Comment
  HSC78446  Hazardia whitneyi John S. Palmer 1974-9-15 290 Trinity Along trail to Big Bear Lake 1067 Comment
  CHSC63498  Hazardia whitneyi var. discoidea Vernon H. Oswald; Lowell Ahart 1994-8-1 6429 Trinity Forest Rd. 40N45, 3.0 mi S of Forest Rd. 17, ca. 3.0 mi (air) W of Mt. Eddy. Roadside. 1950 Comment
  UC581772  Hazardia whitneyi var. discoidea Joseph P. Tracy 1935-8-5 14563 Trinity at head White's Creek; Devil's Canyon Mts., White's Creek 2133 Comment
  HSC78706  Helenium bigelovii John S. Palmer 1973-8-3 141 Trinity Bear Lakes Area, along trail to Big Bear Lake. 1677 Comment
  UC933441  Helenium bigelovii Annie M. Alexander and Louise Kellogg 1948-8-25 5556 Trinity w side Morris Meadows; Trinity Mountains, Stuart Fork 1280 Comment
  CDA6443  Helenium bigelovii T. C. Fuller 1960-6-29 4629 Trinity 5.3 miles north of Carrville. 0 Comment
  HSC28246  Helenium puberulum Thomas W. Nelson 1973-7-14 1066 Trinity Next to the Trinity River at Eagle Creek Comment
  HSC103526  Helianthella californica var. californica Thomas W. Nelson, Jane Nelson 1981-5-23 6493 Trinity Shasta-Trinity National Forest; along Forest Service Rd. 38N24, .5 mi. E of junction with State Route 3 854 Comment
  CAS-BOT-BC305587  Helianthus bolanderi John Thomas Howell 1955-7-17 30710 Trinity Southwest of Peanut 762 Comment
  RSA42024  Helianthus bolanderi J. T. Howell 1936-8-23 1570 Trinity Along Trinity River 5 miles south of Trinity Center open field Comment
  JEPS111048  Helianthus exilis Sue Pappalardo 1994-6-29 571 Trinity Hayfork Ranger District; About 8 miles south of Hayfork. Along FS road 30N74A, about .25 miles from jct with FS road 30N74. 300 Comment
  UCD102622  Hemieva ranunculifolia Joseph M. DiTomaso 1975-7-2 102 Trinity Trinity Alps, 50 yards above Stuarts Fork Trail on Sawtooth Ridge Trail. 1524 Comment
  HSC73651  Hemizonella minima Gail Newton 1980-7-10 1195 Trinity Near Senteney Rock. 1545 Comment
  HSC34694  Hemizonella minima Dryden 1975-5-17 191 Trinity W facing valley just N of the confluence of Ditch Gulch and Salt Creek on Hwy. 3 near Peanut 770 Comment
  HSC74898  Hemizonella minima J. P. Smith 1978-5-27 9935 Trinity The road to Trinity Alps Resort, 1/2 mi. from its junction with S.R. 3. 671 Comment
  HSC67598  Hesperochiron pumilus J. P. Smith 1973-5-6 6623 Trinity Blanchert Flats near Douglas City Comment
  HSC71926  Hesperolinon micranthum Thomas W. Nelson, Jane Nelson 1980-6-26 5927 Trinity Along Covelo-Zenia Rd. opposite Kettenpaum Store. 1067 Comment
  SEINET10460734  Heterocodon rariflorum Ferlatte 1970-8-8 FERLATTE 1278 Trinity Boulder Creek Basin 1585 Comment
  UC922573  Heterocodon rariflorum Annie M. Alexander and Louise Kellogg 1948-8-24 5546 Trinity trail above Morris Meadow; Trinity Mountains, Stuart Fork of Trinity River 1280 Comment
  HSC35657  Heterotheca oregona var. rudis Thomas W. Nelson, James Nelson 1975-7-20 2080 Trinity Van Duzen River; Brown's Canyon Campground Comment
  HSC56605  Heterotheca oregona var. rudis G. L. Clifton 1979-7-17 7969 Trinity Near Bailey Canyon Campground, close to town of Mad River 853 Comment
  UCD80875  Heterotheca oregona var. rudis Robert E. Preston 2007-9-7 2573 Trinity 0.4 mi W of Cedar Flat, along Hwy 299. 305 Comment
  UCD133012  Heterotheca oregona var. rudis Dean W. Taylor; Kathleen A. Teare 1979-9-13 7713 Trinity along Trinity River, at Idaho Bar, 1 mile southeast of Helena on Highway 299. 426 Comment
  UCR5089  Heuchera Eugene Cardiff 1966-7-23 s.n. Trinity North Coast Range, Salmon Mountains, Big Flat Camp 400 Comment
  UC722536  Heuchera merriamii C. L. Hitchcock, J. S. Martin 1939-7-11 5388 Trinity 11 mi n Dedrick (s shore of Upper Canyon Creek Lake); Trinity Alps, Salmon-Trinity Mts 1889 Comment
  HSC23544  Heuchera micrantha J. O. Sawyer 1970-4-18 2499 Trinity Slopes above New River at its junction with the Trinity River. 244 Comment
  CHSC71051  Heuchera micrantha var. pacifica Vernon Oswald; Lowell Ahart 1998-5-14 9066 Trinity Wildwood Rd. 6.6 mi north of Hwy. 36, 1.3 mi north of Gemmill Gulch Picnic Area. 1005 Comment
  JEPS94465  Heuchera micrantha var. pacifica Vernon Oswald and Lowell Ahart 1997-7-17 8764 Trinity 1.9 mi w of Texas Chow Creek (se of Ruth Reservoir on Forest Route 30); Forest Route 30 944 Comment
  RSA41900  Hibiscus trionum H. C. Cantelow 1936-8-25 4019 Trinity Scott Ranch, 3 miles S of Trinity Center. Comment
  HSC84193  Hieracium albiflorum J. P. Smith 1980-7-22 10305 Trinity Shasta-Trinity National Forest, Salt Creek Campground on Thirteen Dips Rd. 793 Comment
  JEPS123028  Hieracium albiflorum D. Burge and J. Nelson with Jepson Herbarium workshop participants 2015-6-26 JHWS- 001 Trinity Trinity Creek Watershed. Comment
  UCR48627  Hieracium albiflorum R. D. Goeden, Don W. Ricker 1987-9-1 870901- 2 Trinity Mad River Road, 25 mi south of State Hwy 36, 2.1 mi north of Bierce Ridge Loop, Trinity National Forest 1128 Comment
  SEINET10971177  Hieracium cynoglossoides Mary Susan Taylor 1980-7-1 Taylor 3017 Trinity T36N R7W nw sec 18, Shell Mt quad. Shasta-Trinity Natl Forest; 0.7 mi E of Hwy 3, both sides of Swift Creek Rd, at turnout where osprey nest is viewed, ca. 0.5-0.7 mi W of Trinity Center. 823 Comment
  JEPS22253  Hieracium greenei Douglas Barbe with Keith Wagnon 1958-7-12 421 Trinity in the Stuart Gap area 3 mi e Grasshopper Camp (about 2 1/2 mi n of North Yollo Bolly); Trinity National Forest 1371 Comment
  UCD133120  Hieracium triste William J. Ferlatte; Alice Q. Howard 1970-8-11 1299 Trinity Trinity Alps. Thomson Pk. Ridge south of summit. 2529 Comment
  HSC73447  Holodiscus discolor Gail Newton 1980-7-9 1136 Trinity Near Shanty Creek. 1113 Comment
  HSC74048  Holodiscus discolor M. A. Baker 1980-7-10 2729 Trinity Near Senteney Rock 1554 Comment
  UC922634  Holodiscus discolor Annie M. Alexander and Louise Kellogg 1948-8-6 5406 Trinity Trinity Mountains, Canyon Creek (tributary of Trinity River) Canyon Creek; Trinity Mountains, Canyon Creek 1676 Comment
  UC2046537  Holodiscus discolor var. glabrescens William J. Ferlatte 1975-8-23 1714 Trinity above west side of Lake Anna; rocky bench and slope Comment
  UCD113361  Holodiscus discolor var. microphyllus Joseph M. DiTomaso 1975-7-29 214 Trinity 2.25 mile below Big Bear Lake. 1554 Comment
  HSC90621  Holodiscus microphyllus var. glabrescens Jennifer Whipple 1976-7-23 1494 Trinity S facing slopes N of Deadfall Creek. 2195 Comment
  HSC92535  Hordeum brachyantherum Jennifer Whipple 1977-8-3 2079 Trinity N of Lower Deadfall and Deadfall Lakes along the creek draining the upper Deadfall Lakes. 2165 Comment
  CAS-BOT-BC284772  Hordeum murinum subsp. glaucum Eugene Carter 1973-6-7 563 Trinity Around Allbert's Cabin. East Fork of the North Fork Trinity River, Hobo Gulch Camp and vicinity. (18 mi. NW of Weaverville) 3.8 miles north of SR 299, Helena 487 Comment
  UC922633  Horkelia fusca subsp. parviflora Annie M. Alexander and Louise Kellogg 1948-8-21 5520 Trinity Morris Meadow Tinity Mtns, Stuart Fork of Trinity River 1280 Comment
  HSC27557  Horkelia fusca var. parviflora J. D. Ackerman, A. M. Montalvo 1973-7-20 102 Trinity Near Big Flat Campground Comment
  HSC40508  Horkelia fusca var. parviflora J. O. Sawyer, Kevin Sawyer, J. P. Smith 1974-6-25 2596 Trinity Along trail to Granite Lake 1585 Comment
  CAS-BOT-BC536230  Horkelia fusca var. parviflora Mrs. E. C. Van Dyke 1931-6-23 s.n. Trinity Nash Mine near Carville Comment
  RSA451579  Horkelia tridentata subsp. flavescens Carolyn Sanford 1977-5-21 372 Trinity Eagle Creek Campground. 851 Comment
  RSA451578  Horkelia tridentata subsp. flavescens N. G. Sugihara 1977-5-21 58 Trinity Eagle Creek Campground. 851 Comment
  HSC43253  Horkelia tridentata var. flavescens K. Irwin 1977-5-21 343 Trinity Eagle Creek Campground 851 Comment
  HSC43254  Horkelia tridentata var. flavescens K. Irwin 1977-5-21 342 Trinity Scott Mtn. Campground, 8 mi. E of Callahan 1631 Comment
  HSC44140  Horkelia tridentata var. flavescens M. A. Baker 1977-5-21 312 Trinity Eagle Creek Campground 851 Comment
  HSC59603  Horkelia tridentata var. flavescens J. P. Smith, J. O. Sawyer 1973-4-15 6150 Trinity 1/2 mi. N of Eagle Creek Campground on Eagle Creek Loop on SR 3 884 Comment
  HSC34238  Hosackia crassifolia M. G. Schmidt 1975-7-10 21 Trinity Along S Fork Mtn. Rd., N of Hwy. 36 Comment
  HSC23595  Hosackia yollabolliensis J. O. Sawyer 1971-7-9 2417 Trinity N slope of Horse Ridge, S Fork Mtn. 1829 Comment
  CHSC3498  Hydrophyllum occidentale Roger Jaegel 1966-4-24 136 Trinity Located seven miles north of Hayfork, on a dry road bank. Comment
  HSC56651  Hydrophyllum occidentale Walter Overton 1979-7-17 8110 Trinity Near S Fork Mtn., close to the town of Mad River. 1390 Comment
  HSC71510  Hydrophyllum occidentale M. A. Baker 1980-7-1 2528 Trinity Near Hayden Roughs. 1402 Comment
  HSC73467  Hydrophyllum occidentale Grunnert 12 Trinity Philpot Campground 808 Comment
  UCR45447  Hydrophyllum occidentale Michelle A. Strull 1985-6-17 7 Trinity c. 0.25 mi below Hayfork Bally lookout along FS Rd. 33N52Y 1829 Comment
  RSA0110960  Hydrophyllum occidentale M. A. Baker 1977-5-22 329 Trinity Bank of Rush Creek. 838 Comment
  RSA20745  Hydrophyllum occidentale Carl B. Wolf 1937-6-20 8950 Trinity N coast Range, Hettinshaw Valley, Zenia, 1 mile S of Panther Creek. 1067 Comment
  SEINET10935936  Hydrophyllum occidentale Botany 1985-5-11 BOTANY s.n. Trinity T33n,r9w,sec.24,h.m.; Road bank 0.5 mile n of hwy 299 along road to steelbridge Campground, open site in douglas fir, madrone habitat 427 Comment
  HSC54311  Hypericum anagalloides Walter Overton 1979-7-17 7741 Trinity Near Horse Ridge, close to the town of Mad River. 1372 Comment
  UC420735  Hypericum perforatum H. S. Yates 1914-8-3 558 Trinity Weaverville Comment
  CAS-BOT-BC183873  Hypericum perforatum Eugene Carter 1975-7-26 1045 Trinity East Fork of North Fork Trinity River. Near Helena 426 Comment
  SEINET6178755  Hypericum perforatum Louis C. Wheeler 1950-8-10 6774 Trinity Up Grade Mine, New River; 0 Comment
  HSC64114  Idahoa scapigera J. P. Smith 1973-5-6 6639 Trinity Blanchert Flats near Douglas City Comment
  RSA695379  Ipomopsis aggregata D. H. Wilken, E. Painter 2003-7-17 16168 Trinity near confluence of Crosby Gulch and Coffe Crk. 1460 Comment
  UC1197888  Ipomopsis aggregata Joseph P. Tracy 1935-8-9 14720 Trinity back of White's Creek Lake Devil's Canyon (head of White's Creek) 2133 Comment
  CAS-BOT-BC133520  Iris Elizabeth McClintock 1956-6-15 s.n. Trinity Along East Fork of Coffee Creek, on trail to Stoddard Lake Comment
  JEPS93194  Iris macrosiphon Carol A. Wilson 1992-4-25 92 -6.5- Trinity 2.6 mi e of turnoff to Ruth Lake (on Hwy 36, e of Mad River) 1028 Comment
  RSA135816  Iris purdyi E. K. Balls 1957-5-26 22610 Trinity 1.8 miles northeast of Humboldt - Trinity County line, road from Alder Point to Zenia 579 Comment
  HSC34562  Iris tenuissima Lon Hall 1975-5-16 336 Trinity Trails above Trinity River at Grays Falls Campground 310 Comment
  HSC73512  Iris tenuissima Gail Newton 1980-7-13 1423 Trinity Near Red Rock. 1509 Comment
  HSC71815  Iris tenuissima Thomas W. Nelson, Jane P. Nelson 1980-6-27 5933 Trinity Along FS Rd. 2S08, 0.6 mi. S of junction with FS Rd. 1S07 1646 Comment
  CDA3760  Isatis tinctoria T. R. Haig 1973-4-25 Trinity Highway 299W, 3 miles west of Helena. 0 Comment
  CHSC63327  Isatis tinctoria Vernon H. Oswald; L. Ahart 1994-6-14 6305 Trinity Ramshorn Creek Bridge on Forest Rd. 25, E of Hwy. 3. Roadside at the bridge and along a section of road to the west. 911 Comment
  JEPS87892  Isatis tinctoria Vernon H. Oswald and L. Ahart 1994-6-14 6305 Trinity on Forest Road 25 Ramshorn Creek Bridge (e. of hwy 3, at the bridge and along a section of rd. to the w.); , Forest Road 911 Comment
  JEPS95434  Isatis tinctoria Vernon H. Oswald and L. Ahart 1994-6-14 6305 Trinity T38N R7W NW1/4 NW1/4 Sec. 23, 2990 ft, Yellow Pine Forest. Ramshorn Creek Bridge on Forest Rd. 25, E of Hwy. 3 911 Comment
  CAS-BOT-BC438788  Isoetes bolanderi Dana York 2014-5-31 3214 Trinity Mount Eddy. Shasta-Trinity National Forest, ca. 1.4 km W of Mount Eddy summit, in a pond W of the upper Deadfall Lakes. 2335 Comment
  CAS-BOT-BC69931  Isoetes howellii Alice Eastwood; John Thomas Howell 1937-6-25 4944 A Trinity Preacher Meadow. Comment
  HSC90599  Ivesia gordonii Jennifer Whipple 1976-6-24 1123 Trinity Trinity and Siskiyou Counties, summit region of Mt. Eddy 2561 Comment
  HSC59931  Ivesia pickeringii D. L. Goforth 1979-7-6 218 Trinity 0.2 mi. N of Eagle Creek Campground Comment
  RSA85615  Ivesia pickeringii J. T. Howell 1936-8-26 s.n. Trinity About 8 miles north of Carrville Comment
  UC860290  Ivesia pickeringii John Thomas Howell 1936-8-26 12797 Trinity 8 mi n Carrville Comment
  RSA42031  Juncus bolanderi H. C. Cantelow 1936-8-23 1629 Trinity Scott Ranch, 3 mi. S. of Trinity Center Comment
  RSA50256  Juncus bolanderi E. K. Balls 1949-7-4 13803 Trinity Chloride mine, by old cabin, above Dedrick. 915 Comment
  POM126142  Juncus bufonius var. bufonius Joseph P. Tracy 1923-7-1 6501 Trinity South Fork Mountain: near summit on road to Low Gap of Mad River 1067 Comment
  HSC77349  Juncus confusus L. P. Janeway 1983-4-30 251 Trinity E of Burnt Ranch USFS Campground 412 Comment
  JEPS75888  Juncus drummondii William J. Ferlatte, Alice Q. Howard 1970-8-11 1305 Trinity above Grizzly Lake (n side of Thompson Pk.); Trinity Alps, Thompson Pk. 2499 Comment
  JEPS117910  Juncus dudleyi L. P. Janeway 2008-7-23 9457 Trinity along Road 40N45 5.5 road km north-northwest of Road 26 Trinity Mountains (southwest facing slope overlooking Picayune Creek); Klamatha Ranges 1908 Comment
  HSC67416  Juncus ensifolius Ed Cope, John Palmer Jul 1977 554 Trinity South of trail to Granite Lake. 1280 Comment
  JEPS123039  Juncus ensifolius D. Burge and J. Nelson with Jepson Herbarium workshop participants 2015-6-26 JHWS- 018 Trinity Trinity Creek Watershed. Comment
  JEPS95390  Juncus ensifolius Vernon H. Oswald and L. Ahart 1994-8-1 6425 Trinity T39N R6W Sec. 10, 6200 ft, Yellow Pine Forest. Forest Rd. 40N45, 4.3 mi N of Forest Rd. 26, ca. 5 mi (air) SW of Mt. Eddy 1889 Comment
  RSA739625  Juncus ensifolius L. P. Janeway 2008-7-23 9458 Trinity Klamath Ranges, Trinity Mtns, along road 40N45 5.5 road km NNW of road 26, 41degrees 14 53N, 122degrees 32 04W 1908 Comment
  RSA42040  Juncus ensifolius Ella Dales Cantelow 1936-8-26 1637 Trinity Near Tangle Blue Creek, north of Carrville. Comment
  CHSC118250  Juncus exiguus Barbara L. Wilson; Nick Otting 2016-8-19 18420 Trinity Stuart Fork of Trinity Lake. 712 Comment
  RSA0000292  Juncus hemiendytus J. T. Howell 1937-7-21 13213 Trinity Big Flat. Comment
  JEPS121594  Juncus howellii Jennifer Buck, Danielle Roach 2009-8-26 Trinity Headwaters West Branch Crow Creek, 1 mile south of Mumbo Basin, The Eddys. Sloping fen on gabbro, SW aspect. Mumbo Basin quadrangle. WBCC01A Comment
  RSA53872  Juncus howellii J. T. Howell 1937-7-28 13611 Trinity 2 miles south of summit of Scott Mountains, on road to Carrville. Comment
  JEPS102217  Juncus laccatus L. P. Janeway 2001-7-16 7355 Trinity Klamath Ranges. Un-named spring and meadow 1.1 km west-southwest of Dubakella Mountain; southeast side of Road 29N55 near head of Ditch Gulch. 1595 Comment
  CAS-BOT-BC110781  Juncus mertensianus Eugene Carter 1972-8-13 518 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity. (18 miles northwest of Weaverville). Along Backbone Creek, 0.5 mile northeast of Russell Cabin. 1371 Comment
  UCD141877  Juncus mertensianus William J. Ferlatte; Alice Q. Howard 1970-8-12 1311 Trinity Trinity Alps. Ridge west of upper Canyon Creek. 2316 Comment
  HSC56544  Juncus occidentalis Walter Overton 1979-7-17 7769 Trinity Near Horse Ridge, close to the town of Mad River. 1372 Comment
  JEPS120574  Juncus tenuis L. P. Janeway, Mary Ann McCrary, Christy Wagner 2013-10-15 11209 Trinity Klamath Ranges. Hamilton Ranch / Lowden Ranch; 365 m south of Trinity River just east of the mouth of Grass Valley Creek; southwest end of Grass Valley. Comment
  JEPS95569  Juniperus communis var. saxatilis Vernon H. Oswald and L. Ahart 1994-7-11 6390 Trinity T38N R6W NE1/4 Sec. 2, 6140 ft, Red Fir Forest. Forest Rd. 26 (to Mt. Shasta), 6.0 mi N of Castle Creek Rd. (Forest Rd. 25), W of Dunsmuir. Shrub ca. 2-3 dm tall forming patches of ground-cover in dry openings in brushy forest. 1871 Comment
  HSC746  Kalmia polifolia William J. Ferlatte 1966-7-1 178 Trinity Boulder Creek basin, tributary to Canyon Creek 1707 Comment
  JEPS11131  Keckiella corymbosa Joseph P. Tracy 1921-8-21 5940 Trinity Hawkins Bar Northern Coast Ranges (cliffs along Trinity River) 182 Comment
  NY790280  Keckiella corymbosa L. S. Rose 1955-7-16 55119 Trinity 1 mile west of Junction City. Trinity River, canyon sides 448.1 Comment
  POM188515  Keckiella corymbosa Marjories Jones 1931-7-16 28822 Trinity Burnt Ranch, near Trinity. Comment
  POM305520  Keckiella corymbosa Henry J. Ramsey, Henry J. Ramsey 1939-10-13 847 Trinity Mountains, Highway 299 Comment
  RSA293280  Keckiella corymbosa D. C. Michener 1980-7-31 3755 Trinity North Coast Ranges. Along CA 299 ca 2 miles northwest of Junction City. 500 Comment
  RSA40780  Keckiella corymbosa Carl B. Wolf 1944-10-27 11471 Trinity Trinity River, about 2 mile below trail to Denny. 305 Comment
  UCD123820  Keckiella corymbosa Dean Wm. Taylor; Kathleen A. Teare 1979-9-9 7676 Trinity Twin Sisters Mountain. 1655 Comment
  CAS-BOT-BC246186  Keckiella lemmonii Eugene Carter 1972-8-13 508 Trinity 2 miles up Backbone Creek Trail, 18 mi. NW of Weaverville, North Fork Trinity River, Hobo Gulch Camp and vicinity 1036 Comment
  CAS-BOT-BC246189  Keckiella lemmonii H. M. Pollard 1953-8-22 s.n. Trinity Scenic Trail above Trinity Alps Resort 1371 Comment
  CAS-BOT-BC246194  Keckiella lemmonii G. R. Kleeberger 1880-8-1 s.n. Trinity Weaverville 1524 Comment
  HSC40409  Keckiella lemmonii Thomas W. Nelson, James Nelson 1976-7-28 3067 Trinity Along FS Rd. 2S08, E of Goat Mtn. 1555 Comment
  RSA256726  Koeleria macrantha D. E. Anderson, S. Dowty, Thomas W. Nelson 1972-6-14 5640 Trinity Trinity-Humboldt Cos. Senteney Rock. A large barren Franciscan Rock along Swayback Ridge. Comment
  HSC78341  Kyhosia bolanderi John S. Palmer 1974-9-14 259 Trinity Bear Lakes Area, along trail to Big Bear Lake 1616 Comment
  HSC35662  Lagophylla ramosissima Thomas W. Nelson, James Nelson 1975-7-20 2084 Trinity Brown's Canyon Campground Comment
  CAS-BOT-BC204996  Lathyrus jepsonii var. californicus Eugene Carter 1975-8-13 1061 Trinity North Fork Trinity River. North of Grizzly Cr. 1072 Comment
  UC1222417  Lathyrus jepsonii var. californicus J. P. Tracy 1941-6-29 16962 Trinity Ruth Comment
  CAS-BOT-BC204999  Lathyrus jepsonii var. californicus Lester Rowntree 1936-7-8 s.n. Trinity Rd. between Callahan & Trinity Center Comment
  RSA48213  Lathyrus lanszwertii var. tracyi Roxana S. Ferris 1948-6-11 11697 Trinity 1.5 miles above Peanut on State Hwy 36. Comment
  HSC103941  Lathyrus polyphyllus T. Leskiw 1995-5-2 47 Trinity Six Rivers National Forest; Route 4 to Forest Service Rd. 6N29C, vicinity of Ziegler Pt. and Happy Camp Mtn. in old Hawkins Timber Sale 732 Comment
  HSC89688  Lathyrus sulphureus Robin Bencie, James Jones, Rich Dwerlkotte 1989-4-28 14 Trinity Steelbridge Campground, 2.6 mi. N of Hwy. 299. 518 Comment
  UC933404  Ledum glandulosum Annie M. Alexander and Louise Kellogg 1948-8-6 5403 Trinity Canyon Creek, tributary of Trinity River Canyon Creek5500 ft; Trinity Mountains, Trinity River, Canyon Creek Comment
  CHSC51513  Lemna minuta L. P. Janeway 1987-6-29 2406 Trinity Old floodplain of Trinity River near mouth of Grass Valley Cr; 'Lowden Ranch.' On N side of Lewiston Rd 1.8 mi from hwy 299. 533 Comment
  HSC73137  Leptosiphon bolanderi Gail Newton 1980-7-1 840 Trinity Near Hayden Roughs 1219 Comment
  HSC38610  Leptosiphon latisectus D. E. Anderson, J. P. Smith 1971-6-21 - 1121 Trinity 2.7 mi. S of Zenia along the Zenia-Covelo Rd. Comment
  HSC70460  Lessingia nemaclada J. P. Smith, Linda M. Barker, J. Cole 1976-7-27 8949 Trinity Shasta National Forest, Eagle Creek Campground. Comment
  UC1287433  Lessingia nemaclada Willard Spence 1960-9-7 613 Trinity on Trinity Lake Boulevard opposite Trinity Air Service (1.6 mi ne of Weaverville) Comment
  CAS-BOT-BC341910  Lessingia nemaclada H. K. Wagnon 1957-7-27 1651 Trinity Collected ca 1 1/2 mi. S of Trinity Center near Swift Cr. 1524 Comment
  HSC35875  Lessingia nemaclada Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-20 2084 Trinity Brown's Canyon Campground. Comment
  RSA120942  Lessingia nemaclada H. K. Wagnon 1957-7-27 1651 Trinity About 1.5 miles south of Trinity Center near Swift Creek 1524 Comment
  RSA125372  Lessingia nemaclada P. H. Raven, R. Snow 1958-7-19 13594 Trinity 1.0 miles east of Grass Valley Creek Bridge 5--21, 6.6 miles west of Shasta County line on U.S. Highway 299 Comment
  CHSC34831  Leucothoe davisiae M. S. Taylor 1980-7-15 3133 Trinity Canyon Creek trail, ca. 1 mi. n of the trailhead, ca. 12.1 mi n of Junction City on Hwy 299. 1371 Comment
  SEINET2029412 Image available Leucothoe davisiae C. L. Hitchcock, J. S. Martin 1939-7-11 5409 Trinity east shore of upper Canyon Creek Lake, about 11 miles north of Dedrick 1981 Comment
  HSC17663  Lewisia cotyledon var. cotyledon R. Spellenberg 1965-6-12 1098 Trinity Underwood Mtn. Rd. about 10 mi. SW of Burnt Ranch Comment
  CHSC24742  Lewisia cotyledon var. heckneri G. Strang 1976-4-12 11 Trinity Along se side of Canyon Creek, 3.5 mi n of Junction City. 1280 Comment
  RSA79350  Lewisia cotyledon var. heckneri E. K. Balls, Lee W. Lenz 1952-5-13 17233 Trinity 2.7 miles N from Junction City, Hwy 299 along Canyon Creek to Dedrick Comment
  HSC4443  Lewisia leeana William J. Ferlatte 1966-6-30 168 Trinity Canyon Creek Lakes 1646 Comment
  CAS-BOT-BC444067  Lewisia leeana Eugene Carter 1971-7-13 284 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity. (18 mi. NW of Weaverville.) On north slope of Hill 6135, 2 mi. west of Hobo Gulch. 1691 Comment
  CAS-BOT-BC444086  Lewisia leeana P. A. Munz 1951-7-21 16792 Trinity Slightly lower peak just south of North Yolla Bolly Pk. 2346 Comment
  HSC91136  Ligusticum grayi Jennifer Whipple 1976-7-12 1429 Trinity N of Lower Deadfall and Deadfall Lakes, along the creek draining the upper Deadfall Lakes. 2165 Comment
  UC933371  Ligusticum grayi Annie M. Alexander and Louise Kellogg 1948-8-7 5440 Trinity Trinity Mts., Canyon Creek (tributary of Trinity R.) 1676 Comment
  CAS-BOT-BC130521  Lilium Mrs. H. C. Cantelow 1937-8-22 1860 Trinity At Gratten Ford, Swift Creek Comment
  UC423439  Lilium kelleyanum Annie M. Alexander and Louise Kellogg 1911-7-8 222 Trinity North Fork Coffee Creek 1371 Comment
Read comments
Dec 13 2006
  UC423441  Lilium pardalinum H. S. Yates 1914-6-14 437 Trinity Russ Creek Rush Creek Comment
  CHSC35983  Lilium pardalinum subsp. vollmeri J. D. Jokerst; M. Meyer 1981-7-28 1424 Trinity Scattered along the edge of Cedar Creek. Ca 50 meters N of the jct. Of Cedar Cr. And an unnamed creek not shown on map. 1341 Comment
  HSC72600  Lilium rubescens Gail Newton 1980-7-1 749 Trinity Near Hayden Roughs. 1250 Comment
  UCR80236  Limnanthes floccosa J. P. Smith 1973-5-6 6601 Trinity Blanchert Flats near Douglas City Comment
  JEPS108197  Linanthus rattanii David Gowen 2005-6-25 463 Trinity Hills south above Hayfork, between Kingsbury Rd. and Bridge Gulch Rd. Comment
  JEPS87853  Linaria dalmatica subsp. dalmatica Vernon H. Oswald and L. Ahart 1994-6-14 6305 Trinity Hwy 3 n of Clair Engle Lake and Coffee Creek Station at bridge over the Trinity River Trinity River 755 Comment
  HSC49618  Linaria dalmatica subsp. dalmatica R. York 1979-5-12 287 Trinity Along Trinity River W of the Douglas City BLM Campground 305 Comment
  HSC90054  Linaria dalmatica subsp. dalmatica Grefsrud, Reed, Rohmer 1990-4-28 75 Trinity End of Steelbridge Road, 3.5 mi. N of Hwy. 299. 518 Comment
  HSC65540  Linnaea borealis subsp. longiflora R. White 1977-6-4 82 Trinity 0.5 mi. from Buck Lake by trail. 1244 Comment
  UC201723  Linnaea borealis var. longiflora unknown June 1883 Trinity divide between the Trinity and South Fork Trinity River; divide between the Trinity and its South Fork Comment
  UC602519  Linnaea borealis var. longiflora Joseph P. Tracy 1923-6-30 6492 Trinity near summit on road to Low Gap Mad River (South Fork Mountain); Northern Coast Ranges, South Fork Mountain 1219 Comment
  UCD73082  Linnaea borealis var. longiflora G. F. Hrusa 1992-5-30 10446 Trinity Approx. 1/2 m. from Hwy 3 along road to Bonanza King Lookout. Comment
  CAS-BOT-BC36018  Lithocarpus densiflorus var. densiflorus L. B. Kildale 1931-8-30 s.n. Trinity New River road, 7 mi. east of Irving junction Comment
  CAS-BOT-BC36578  Lithocarpus densiflorus var. echinoides Clarence Roy Quick 1960-6-27 60 -25 Trinity Bear Gulch on road from Delat to Trinity Center Comment
  HSC27387  Lithophragma affine J. P. Smith 1973-4-7 5993 Trinity New River trail from Grays Falls Campground on the N side of the Trinity River and W side of the New River 244 Comment
  HSC40622  Lithophragma campanulatum Thomas W. Nelson, James Nelson 1976-6-22 2837 Trinity Below Senteney Rock 1494 Comment
  CAS-BOT-BC435608  Lithophragma glabrum Ira L. Wiggins 1950-5-29 12403 Trinity Along Coffee Creek between Lady Gulch and Adams Creek 1371 Comment
  HSC73890  Lithophragma heterophyllum Gail Newton 1980-7-10 1244 Trinity Near Senteney Rock 1463 Comment
  HSC86369  Lithophragma heterophyllum J. P. Smith 1982-6-19 10495 Trinity Along trail past Clems Camp to China Peak 1402 Comment
  SEINET10866081  Lithophragma heterophyllum M. S. Mayer, S. Meredith; D. Bjornbak 1985-4-19 Mayer 24 Trinity T33n,r9w,sec.24. Steelbridge campground, grassy roadside, moist, with quercus Chrysolepis, above creek 536 Comment
  UC2046539  Lithophragma heterophyllum William J. Ferlatte 1975-5-21 1712 Trinity canyon of the Stuart Fork of the Trinity River at Elk Gulch Comment
  UCD102723  Lithophragma heterophyllum Joseph M. DiTomaso 1976-7-7 590 Trinity Climb to Horseshoe begins on Swift Creek Trail. 1737 Comment
  HSC42370  Lithospermum californicum Richard Runyon 1977-5-21 Trinity Eagle Creek Campground 851 Comment
  CDA40612  Lithospermum californicum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2702 Trinity 2 km south of Preacher Meadow Campground, Highway 3 at Bowerman Ridge Road, south of Trinity Center. Comment
  CHSC114577  Lomatium dasycarpum Susan Erwin 2000-6-5 01055 Trinity Shasta-Trinity National Forests, Yolla Bolla Ranger District, on FS Road 30, ca 1.5 miles south of Highway 36. 1200 Comment
  HSC27542  Lomatium dissectum var. dissectum J. P. Smith 1973-4-7 5995 Trinity New River Trail from Grays Falls Campground, on the N side of the Trinity River and W side of the New River. 244 Comment
  HSC35613  Lomatium dissectum var. dissectum Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-21 1935 Trinity S of Brown's Canyon Campground Comment
  HSC42092  Lomatium engelmannii Sue Sweet 1977-5-21 56 Trinity Eagle Creek Campground 851 Comment
  HSC42535  Lomatium engelmannii Barbara Kelly 1977-5-21 464 Trinity Eagle Creek Campground. 851 Comment
  RSA452574  Lomatium engelmannii B. Kelly 1977-5-21 470 Trinity State route 3, 1/4 mile above the confluence of the Trinity River and Tangle Blue Creek 1006 Comment
  SEINET13944698 Image available Lomatium engelmannii Lincoln Constance, Ren Hwa Shan 1946-1 3065 Trinity Between Coffee and Eagle creeks, 6 mi north of Carrville, north slope, alt. 3000 ft 914 Comment
  HSC78268  Lomatium macrocarpum John S. Palmer 1976-7-3 450 Trinity Bear Lakes area, slope N side of Log Lake. 1860 Comment
  RSA452144  Lomatium macrocarpum N. G. Sugihara 1977-5-21 49 Trinity Eagle Creek Campground. 851 Comment
  UC923150  Lomatium macrocarpum Freed W. Hoffman 1950-7-4 3265 Trinity trail to Black Rock along ridge from The Gap (<Yolly> Bolly Mts.); North Coast Ranges, <Yolly> Bolly Mts. Comment
  UC933368  Lomatium macrocarpum Annie M. Alexander and Louise Kellogg 1948-8-6 5407 Trinity slope below the lake Canyon Creek (tributary of Trinity R.) (Trinity Mts.); , Canyon Creek (tributary of Trinity R.) 1676 Comment
  HSC35931  Lomatium macrocarpum Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-20 1977 Trinity Near S end of road out Swayback Ridge Comment
  HSC67395  Lomatium tracyi Thomas W. Nelson 1980-5-30 5390 Trinity Shasta-Trinity National Forest, along FS Rd. 4N25 (Clark Creek Loop) at junction with FS Rd. 4N25C, 2 mi. S of junction with Rd. 60 (Underwood Mtn. Rd.) 1067 Comment
  HSC71891  Lomatium tracyi Thomas W. Nelson, Jane Nelson 1980-6-22 5775 Trinity Shasta-Trinity National Forest, along Rd. 29N73, 0.9 mi. from Red Mountain. 1677 Comment
  JEPS100460  Lomatium tracyi Dean W. Taylor 2002-6-27 18181 Trinity Hayfork Divide, jeep road ca. 0.5 miles north of Hayfork Summit on Highway 3 1188 Comment
  UC1299236  Lomatium tracyi Freed W. Hoffman 1950-7-2 3273 Trinity junction of Wildwood and Regan Meadow roads North Coast Ranges 1524 Comment
  UC1197145  Lomatium triternatum var. macrocarpum Joseph P. Tracy 1923-6-30 6439 Trinity near summit on Weaverville Rd. Hay Fork Mt.; Northern Coast Ranges, Hay Fork Mt. 1097 Comment
  CHSC34826  Lomatium triternatum var. triternatum M. S. Taylor 1980-6-12 2849 Trinity On e side of Underwood Mt Rd (5N09), ca. 2.6 mi s of its jct with Trinity Hwy 299. Comment
  JEPS5717  Lonicera ciliosa Rimo Bacigalupi with L. Constance, Reid Moran, R. Rodriguez and Sherwin Carlquist 1951-6-13 3399 Trinity upper reaches Post Creek (along State Route No.36) 944 Comment
  RSA296789  Lonicera ciliosa Clark L. Miller 1979-5-26 3 -158 Trinity Approx. 2 miles from Hobo Gulch Campground along dirt road to Hobo Gulch from Hwy 299. 915 Comment
  JEPS12825  Lonicera interrupta Joseph P. Tracy 1923-6-29 6432 Trinity near summit Weaverville Road; Northern Coast Ranges, Hay Fork Mountain 1097 Comment
  CAS-BOT-BC240855  Lonicera interrupta L. R. Abrams 1916-7-27 6160 Trinity Between Little & Big Van Duzen River on Eureka Red Bluff Road Comment
  RSA21642  Lotus crassifolius Carl B. Wolf 1937-6-13 8796 Trinity Inner North Coast range, Red Bluff - Eureka Road, 1.5 miles W of Wildwood, 1159 Comment
  RSA245228  Lotus douglasii D. E. Anderson, D. Santana, J. Lackey, B. Anderson 1971-7-15 5227 Trinity About 5.7 miles south of Mad River Ranger Station (on Hwy. 36) along road to Zenia. Comment
  SEINET244287 Image available Lotus grandiflorus var. macranthus G. K. Helmkamp, E. A. Helmkamp 2001-7-8 6962 Trinity Trinity Mountains; CA-36, 7 mi W of Wildwood at Telephone Ridge. 1280 Comment
  HSC68816  Lotus humistratus Thomas W. Nelson, Jane P. Nelson 1980-6-19 5613 Trinity Along Rd. 1N10, 1 mi. from jct. with Rd. 2N07 1372 Comment
  UC184827  Lotus micranthus Harry S. Yates 1914-5-17 286 Trinity near Weaverville Comment
  RSA49924  Lotus oblongifolius var. nevadensis E. K. Balls 1949-7-6 13857 Trinity Trinity River 1 mile beyond Eagle Creek, north of Trinity Center. 793 Comment
  CAS-BOT-BC94459  Lotus oblongifolius var. oblongifolius R. C. Wenk 2005-7-19 316 Trinity along National Forest Road 17, about 10 miles from turnoff from Highway 3, above the Trinity River 1432 Comment
  CDA18382  Lotus pinnatus G. D. Barbe 1978-7-13 2402 Trinity Scott Mountains; S of Scott Mtn Camp, Hwy 3 at Scott Mtn summit, SE of Callahan. Comment
  HSC34217  Lotus unifoliolatus var. unifoliolatus J. P. Smith, J. O. Sawyer 1973-7-4 7109 Trinity Trail 11W26 from Rd. 80 between Dubakella and S Dubakella Mtn. 1524 Comment
  HSC78362  Luetkea pectinata John Palmer 1974-9-14 270 Trinity Bear Lakes area, S of Big Bear Lake 1951 Comment
  HSC78790  Luetkea pectinata John S. Palmer 1973-9-7 168 Trinity Bear Lakes Area, S side of Little Bear Lake 1860 Comment
  HSC63672  Luina hypoleuca D. W. Taylor, Kathleen A. Teare 1979-9-7 7671 Trinity Twin Sisters Mtn. 1655 Comment
  CAS-BOT-BC198266  Lupinus G. R. Kleeberger 1877-1-1 s.n. Trinity Weaverville Comment
  HSC38285  Lupinus adsurgens Thomas W. Nelson 1976-6-10 2686 Trinity Along road 6E42 Comment
  UC1223279  Lupinus adsurgens Joseph P. Tracy 1941-6-29 16928 Trinity Van Duzen River Road hillsides opposite Mad River Rock (halfway between Kuntz and Hettenshaw); Van Duzen River Road, oppos Mad River Rock 975 Comment
  UC184636  Lupinus albicaulis var. shastensis Harry S. Yates 1914-6-10 409 Trinity Rush Creek Comment
  RSA49975  Lupinus albicaulis var. shastensis E. K. Balls 1949-6-30 13675 a Trinity Below Canyon creek Meadow, Canyon Creek. 1220 Comment
  UC1080300  Lupinus albifrons E. K. Balls 1957-5-25 22559 Trinity along State Hwy 36 to Forest Glen 6.4 mi w Peanut; sw from Peanut 1036 Comment
  HSC33257  Lupinus albifrons var. flumineus Thomas W. Nelson, James Nelson 1973-5-28 926 Trinity Along ridge S of Black Lassic Peak 1799 Comment
  HSC58441  Lupinus andersonii G. L. Clifton 1979-7-16 7812 Trinity Near Pickett Peak, close to the town of Mad River 1695 Comment
  HSC45780  Lupinus bicolor Brad Klipfel 1975-5-3 585 Trinity Grays Falls along N side of the Trinity River Comment
  HSC71625  Lupinus bicolor J. P. Smith 1973-5-6 6588 Trinity Blanchert Flats near Douglas City Comment
  SBBG83849  Lupinus bicolor R. James, M. Goering, S. Matthews 1985-4-20 10 Trinity Steelbridge Cmpgrd, 5 mi N of Hwy 299 609 Comment
  HSC14789  Lupinus bicolor M. T. Milligan 1964-4-4 Trinity Cedar Flat on Hwy. 299, N side of Trinity River. Comment
  HSC81875  Lupinus bicolor Thomas W. Nelson, Dave Gordan 1980-5-7 5176 Trinity E side of Vista Lane, 5 mi. N of junction with Highland Dr., 3 mi. N of Hyampom Rd. 671 Comment
  JEPS25583  Lupinus croceus Rimo Bacigalupi 1959-7-2 7214 Trinity rd from Castella to Trinity R just w Ramshorn Summit (northerly slopes Bananza King ridge, btw Mombo Creek and Ramshorn Creek, watershed btw main fork and e fork Trinity River); on watershed btw main fork and e fork of Trinity River 1524 Comment
  UC130651  Lupinus croceus H. M. Hall Jul 1909 8558 Trinity Coffee Creek 1249 Comment
  HSC40812  Lupinus latifolius subsp. latifolius Thomas W. Nelson, Jane P. Nelson 1976-7-1 2947 Trinity Along FS Rd. 5E27 just S of Senteney Rock 1524 Comment
  RSA89560  Lupinus latifolius subsp. latifolius Philip A. Munz 1954-7-23 19860 Trinity South Fork Mountains, 0.5 mile west of summit on road, Dinsmores to Forest Glen. 1280 Comment
  JEPS106468  Lupinus latifolius var. latifolius J. K. Nelson with Bill Brock, John Heibel, Al Olson, Darrel Ranken 2004-6-22 2004 -46 Trinity Wildwood Store, intersection of Hwy 36 and County Road 302, ca 50 mi W of Red Bluff. 1180 Comment
  HSC58462  Lupinus luteolus G. L. Clifton, Butler 1979-7-17 8086 Trinity Near Clover Gulch, close to the town of Mad River 893 Comment
  HSC70141  Lupinus luteolus Thomas W. Nelson, Jane P. Nelson 1978-6-23 4386 Trinity S.R. 3, 200 m from Jct. with S.R. 299. Comment
  HSC75251  Lupinus sellulus subsp. ursinus J. O. Sawyer 1980-6-21 3571 Trinity Just S of Pass into Cedar Basin. 2134 Comment
  HSC67042  Luzula comosa J. P. Smith, J. O. Sawyer 1973-1 6141 Trinity Coffee Creek Road, 4.6 mi. W of State Route 3 1189 Comment
  HSC67128  Luzula comosa C. Macdonald, P. Powers, C. Raley, J. Spitler, D. Stamp 1980-5-3 77 Trinity Along rd. to Dubakella Mtn. from Hwy. 36 1296 Comment
  HSC14135  Luzula comosa R. Spellenberg, D. Sutherland, A. Sylvester 1966-3-27 1366 Trinity Burnt Ranch near Burnt Ranch School Comment
  HSC78865  Luzula divaricata John S. Palmer 1976-7-5 472 Trinity Bear Lakes Area, basin NW of Bear Lake 1951 Comment
  SD88467  Lysichiton americanus Darley F. Howe 1972-6-30 Trinity Comment
  HSC56806  Lythrum hyssopifolia G. L. Clifton, Muth 1979-7-18 8574 Trinity Near Mad River Campground, close to the town of Mad River. 762 Comment
  NY214971  Madia doris-nilesiae T. W. Nelson 1983-6-14 7422 Trinity Along Forest Service Road 1N40 0.25 mile east of junction with Road 1N35 1097.3 Comment
  HSC34827  Madia elegans Robert M. Specht 1975-5-17 193 Trinity SE facing slope on the trail to Denny at the confluence of New River and Trinity River 310 Comment
  HSC5972  Madia elegans R. Spellenberg 1965-6-15 1141 Trinity 100 yds. N of Hidden Lake, Underwood Mtn., SW of Burnt Ranch. Comment
  UC1069858  Madia elegans C. R. Clar 1930-7-3 84 Trinity Mouth of Dubakella Creek Trinity Forest, Hoaglin Quad. Comment
  CAS-BOT-BC344060  Madia elegans Mrs. H. C. Cantelow 1936-8-23 1576 Trinity Scott Ranch, about 5 mi. S. along Trinity River Comment
  HSC103579  Madia elegans Thomas W. Nelson, Jane Nelson 1982-5-16 6906 Trinity Along State Route 299, 0.2 mi. W of Whites Bar Picnic Area 335 Comment
  HSC50846  Madia exigua G. L. Clifton, Overton 1979-6-3 3613 Trinity Near Browns Canyon, close to the town of Forest Glen. 780 Comment
  HSC69974  Madia exigua Thomas W. Nelson, Jane P. Nelson 1978-6-21 4235 Trinity Along Hwy. 3 at Hayfork Summit 1062 Comment
  HSC92176  Madia glomerata Jennifer Whipple 1976-8-4 1612 Trinity Mount Eddy: Deadfall Creek drainage in the vicinity of Deadfall Lakes. 2195 Comment
  SD148229  Madia glomerata G. K. Helmkamp, E. A. Helmkamp 2001-7-8 6944 Trinity California Highway 36, 2.2 miles west of the Trinity/Shasta Co. line. 1159 Comment
  CHSC30919  Madia gracilis M. S. Taylor 1980-8-13 3227 Trinity Hell-to-Find Lake, w side of lake, ca. 4 mi sw of Wildwood. Comment
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May 24 2013
  CHSC93259  Madia gracilis B. Castro; L. Janeway 1996-7-7 679 Trinity Ca 0.3 air mi due N of top of Trinity Mtn, in upper end of Van Ness Ck, along USFS Rd 34N31 ca 0.4 mi W of its jcn with Van Ness Rd. On NW-facing road cutbank. 1070 Comment
  HSC64178  Madia gracilis J. O. Sawyer, Thomas W. Nelson 1978-6-9 3159 Trinity Trail to Red Mtn. 1220 Comment
  HSC71659  Madia gracilis M. A. Baker 1980-6-25 2346 Trinity Near Castle Rock 1280 Comment
  HSC73492  Madia gracilis Gail Newton 1980-7-13 1403 Trinity Near Red Rock. 1509 Comment
  HSC39038  Madia gracilis J. P. Smith, J. O. Sawyer 1975-6-22 8256 Trinity Trinity National Forest, FS Rd. 30N38 from Hwy. 36 to Cold Springs Campground 762 Comment
  HSC68150  Madia gracilis J. P. Smith 1975-5-17 8129 Trinity Just N of the confluence of Ditch Gulch and Salt Creek on Hwy. 3 near Peanut 770 Comment
  SEINET10474820  Madia minima Mary Susan Taylor 1980-6-16 Taylor 2893 Trinity T29N R11W sw sec 28. Dubakella Mt quad. Shasta-Trinity Natl Forest; Hell-to-Find Lake, at end of 29N35, ca. 3 mi W of Hwy 30, and 4 mi S of Hwy 36, just off Rd 29N34, ca. 4 mi due SW of Wildwood. 1433 Comment
  UCD23630  Maianthemum racemosum Rodney Gale Myatt 1971-9-21 1126 Trinity Burnt Ranch. Along side Hwy 299, about 20 mi. east of the town of Willow Creek. 426 Comment
  HSC54167  Maianthemum racemosum subsp. amplexicaule Gilbert Muth 1979-7-18 8393 Trinity Near Deep Hollow Creek, close to the town of Mad River 1067 Comment
  HSC68959  Maianthemum racemosum subsp. amplexicaule Jacqueline Greenleaf 1980-7-10 163 Trinity Near Shanty Creek. 1128 Comment
  HSC47754  Maianthemum stellatum Thomas W. Nelson, J. P. Smith 1978-5-6 3980 Trinity Along Philpot Creek at Philpot Campground 762 Comment
  HSC78471  Maianthemum stellatum John S. Palmer 1973-6-19 65 Trinity Bear Lakes Area along trail to Big Bear Lake 1341 Comment
  CHSC48182  Malacothrix clevelandii Vernon Oswald 1986-6-9 2100 Trinity Hwy 36 between Hayfork Creek and Hwy 3, 37.4 mi e of the Humboldt-Trinity Co. line. 1158 Comment
  CAS-BOT-BC347584  Malacothrix floccifera Helen K. Sharsmith 1953-6-26 4364 Trinity Inner North Coast Ranges. Forest-Glen-Peanut road 4.2 miles west of Cold Springs, Trinity National Forest 1158 Comment
  CHSC30660  Malacothrix floccifera M. S. Taylor 1980-6-17 2907 Trinity On n side of Hwy 30, ca. 3 mi s of Wildwood. 1219 Comment
  HSC31814  Malacothrix floccifera D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-13 5530 Trinity Black Lassic 1738 Comment
  HSC35949  Malacothrix floccifera Thomas W. Nelson 1975-6-20 1960 Trinity Black Lassic area 1799 Comment
  HSC42583  Malacothrix floccifera Robert M. Specht 1977-6-28 1116 Trinity Comment
  HSC72516  Malacothrix floccifera Gail Newton 1980-7-2 950 Trinity Near N Kelsey Peak 1463 Comment
  JEPS98744  Malacothrix floccifera Sue Pappalardo 1995-6-19 706 Trinity 6 mi NW of Hayfork (above Hayfork Creek on N side of County Rd. 301 (Hyampom Road), .45 mi NW of bridge over creek); Shasta-Trinity National Forests, Hayfork Ranger District 650 Comment
  OBI15666  Malacothrix floccifera Carl B. Wolf 1937-6-20 8958 Trinity N Coast Range, 13 7/10 mi S of Zenia on Covelo Rd Comment
  UC175459  Malacothrix floccifera Joseph P. Tracy 1913-6-24 4288 Trinity 6 mi above Ruth (hillslopes of Mad River Valley); Northern Coast Ranges 914 Comment
  UC532429  Malacothrix floccifera Joseph P. Tracy 1936-8-8 15134 Trinity on ridge 2 mi e Groves Prairie; Trinity Summit 1524 Comment
  CAS-BOT-BC347596  Malacothrix floccifera Annie M. Alexander; Louise Kellogg 1949-6-27 5717 Trinity White Rock Ranger Station, north of Yolla Bolly Middle Eel Primitive Area Comment
  HSC39410  Malacothrix floccifera Thomas W. Nelson, James Nelson 1976-6-10 2700 Trinity N of Van Duzen River bridge along Van Duzen Rd. 671 Comment
  RSA20753  Malacothrix floccifera C. B. Wolf 1937-6-20 8958 Trinity North Coast Range, 13 7/10 mi S of Zenia on Covelo Rd. 915 Comment
  UCD134391  Malacothrix floccifera L. P. Janeway 1996-6-13 5013 Trinity Klamath Mountains. Fairview Ridge and SW-facing canyon slope of Papoose Creek; along Papoose Creek Road (Road 34N30) 5.4 miles west of Trinity Mountain and County-Line Road. 830 Comment
  JEPS128113  Marah oregana Julie Kierstead Nelson with Heath Bartosh, Jepson Yolla Bolly Workshop 2017-7-15 2017 -042 Trinity Yolla Bolly Wilderness; near Tehama County line; North Yolla Bollies, Cedar Basin, SW aspect. Comment
  HSC66169  Melica californica J. P. Smith 1975-5-17 8114 Trinity SE-facing slope on trail to Denny at confluence of New River and Trinity River. Comment
  UCD87193  Melica californica Daniel Sanchez-Mata 1996-6-29 s.n. Trinity Hayfork-Peanut. 800 Comment
  CHSC6106  Melica frutescens A. R. Jaegel 1968-4-27 138 Trinity In field 10 mi w of Platina on hwy. 36. Comment
  UC1145130  Melica fugax Joseph P. Tracy 1942-7-2 17379 Trinity Race Track; South Fork Mountain 1676 Comment
  HSC40391  Melica geyeri Thomas W. Nelson, James Nelson 1976-6-22 2835 Trinity Below Senteney Rock 1524 Comment
  HSC73837  Melica geyeri M. A. Baker 1980-6-25 2298 Trinity Near Castle Rock. 1436 Comment
  HSC74592  Melica geyeri M. A. Baker 1980-7-10 2761 Trinity Near Senteney Rock 1554 Comment
  HSC86780  Melica harfordii J. P. Smith 1982-6-19 10477 Trinity French Creek Road, 3.7 mi. from junction with State Route 299 671 Comment
  SD98928  Melica harfordii Darley F. Howe 1977-6-30 4790 Trinity Weaver Bally Rd. 1310 Comment
  UC682066  Melica harfordii G. L. Stebbins Jr. and G. L. Church 1941-5-27 3116 Trinity 2 mi w, near Forest Ranger station Mad River 1066 Comment
  JEPS95009  Mentha pulegium Vernon Oswald and Lowell Ahart 1997-7-17 8767 Trinity Mad River Road at Ruth Reservoir Dam, along this section of highway Ruth Reservoir Dam; Mad River Road at Ruth Reservoir Dam 249 Comment
  UC1981751  Micranthes odontoloma R. Spellenberg 2010-4-14 Trinity 3.6 km SE of Burnt Ranch P. O. on Highway 299, mostly just N of China Slide, 2 km NW of Trinity River crossing at Cedar Flat. Comment
  HSC68075  Micropus californicus var. californicus J. P. Smith 1973-5-6 6622 Trinity Blanchert Flats near Douglas City Comment
  HSC58439  Microseris nutans G. L. Clifton 1979-7-16 7809 Trinity Near Pickett Peak, close to the town of Mad River 1695 Comment
  JEPS100209  Microseris nutans Dean W. Taylor 2002-6-10 18115 B Trinity Highway 3 about 5 miles S of Trinty Center, near the junction of a logging road, west of the highway 822 Comment
  HSC28773  Microsteris gracilis J. P. Smith 1973-4-21 6217 Trinity Big Bear Lake trail, N of Eagle Creek Campground 1037 Comment
  HSC38988  Microsteris gracilis J. O. Sawyer, Kevin Sawyer, J. P. Smith 1974-6-29 2658 Trinity Gipson Meadows, along trail to Granite Lake 1951 Comment
  HSC73501  Microsteris gracilis Gail Newton 1980-7-13 1407 Trinity Near Red Rock. 1509 Comment
  UC582496  Mimulus bicolor Joseph P. Tracy 1923-6-30 6479 Trinity s Hay Fork; Post Creek Mt. 1066 Comment
  HSC78427  Mimulus breweri John S. Palmer 1973-6-19 53 Trinity Bear Lakes Area, along trail to Big Bear Lake 1524 Comment
  HSC90995  Mimulus breweri Jennifer Whipple 1976-8-11 1672 Trinity Mt. Eddy, N of lower Deadfall and Deadfall Lakes along the creek draining the upper Deadfall Lakes 2165 Comment
  HSC98499  Mimulus breweri Dana York, Jim Shevock, Richard Helliwell 2009-7-3 2938 Trinity 81 mi. W of Redding, Shasta-Trinity National Forest, Pony Camp just below Limestone Ridge 2073 Comment
  UC130692  Mimulus breweri H. M. Hall July, 1909 8561 Trinity Union Creek Salmon Mountains 1249 Comment
  UC722348  Mimulus breweri C. L. Hitchcock, J. S. Martin 1939-7-11 5384 Trinity 11 mi n Dedrick (w side of Upper Canyon Creek Lake); Salmon-Trinity Alps 1889 Comment
  HSC72550  Mimulus guttatus Gail Newton 1980-7-1 779 Trinity Near Hayden Roughs. 1250 Comment
  RSA67461  Mimulus guttatus P. A. Munz 1951-7-18 16665 Trinity N. slope of N. Yolla Bolly Pk., North Yolla Bolly Mts. Line of Tehama Co-Trinity Co. 1982 Comment
  HSC72574  Mimulus kelloggii J. P. Smith, Thomas W. Nelson, Jane P. Nelson 1976-3-20 8524 Trinity Shasta-Trinity National Forest, White's Bar 427 Comment
  HSC59924  Mimulus layneae D. L. Goforth 1979-7-5 204 Trinity Deadwood Creek Rd. at Donnelly Gulch Comment
  HSC72422  Mimulus layneae J. P. Smith, J. O. Sawyer 1975-6-23 8284 Trinity Across from entrance to Philpot Campground, on the Peanut to Forest Glenn Rd. 884 Comment
  HSC72732  Mimulus layneae Gail Newton 1980-7-2 945 Trinity Near N Kelsey Peak 1463 Comment
  JEPS123158  Mimulus layneae D. Burge and J. Nelson with Jepson Herbarium workshop participants 2015-6-27 JHWS- 132 Trinity Bonanza King Comment
  HSC44824  Mimulus layneae Thomas W. Nelson, Jane P. Nelson 1977-7-30 3681 Trinity Along N side of S Fork of Black Lassic Creek 1463 Comment
  UC1239060  Mimulus layneae Freed W. Hoffman 1949-7-17 3024 Trinity 2.7 mi n AA Ranch; North Coast Ranges, Mad River Comment
  UCD69090  Mimulus layneae D. Sanchez-Mata; P. Rodriguez-Rojo 1997-7-15 s.n. Trinity Trinity National Forest. Peanut, Ca. Salt Creek. 745 Comment
  JEPS10774  Mimulus moniliformis W. L. Jepson 1897-7-24 45 m Trinity Soldier Ridge Comment
  HSC51068  Mimulus moschatus G. L. Clifton, Overton 1979-6-3 3913 Trinity Near Hettenshaw Valley, close to the town of Alderpoint. 884 Comment
  HSC90986  Mimulus moschatus Jennifer Whipple 1976-7-12 1435 Trinity N of Lower Deadfall and Deadfall Lakes, along the creek draining the upper Deadfall Lakes. 2165 Comment
  UCR123913  Mimulus moschatus George K. Helmkamp, E. A. Helmkamp 2001-7-8 6924 Trinity Trinity Mountains, Calif. Hwy 36, 2.2 mi west of the Trinity/Shasta Co. line 1159 Comment
  UC2046549  Mimulus moschatus William J. Ferlatte 1974-8-16 1666 Trinity upper end of Siligo Meadows; in bog Comment
  HSC97794  Mimulus nanus var. jepsonii Thomas W. Nelson, James Nelson 2006-6-9 9439 Trinity Along USFS Rd. 1N05, along Copper Mine Hill, Naufus Creek 1422 Comment
  HSC67290  Mimulus nanus var. nanus Thomas W. Nelson, Jane P. Nelson 1980-6-17 5506 Trinity Shasta-Trinity National Forest, along Salt Creek Rd. at junction with FS Rd. 30N24 945 Comment
  JEPS34538  Mimulus nanus var. nanus Freed W. Hoffman 1949-7-14 3014 Trinity ca. 7 mi ne Blocksburg (near Trinity-Humboldt county line); North Coast Ranges, Mt. Lassic area, Signal Peak 1524 Comment
  NY68364  Mimulus nanus var. subuniflorus Collector unspecified s.n. Trinity Comment
  HSC56808  Mimulus pilosus G. L. Clifton, Muth 1979-7-18 8578 Trinity Near Mad River Campground, close to the town of Mad River. 762 Comment
  UC1586884  Mimulus pilosus Juha Pykala and D. H. Norris 1987-6-15 1768 Trinity about 1 mi from top; Dubakella Mountain 1400 Comment
  HSC32271  Mimulus primuloides J. O. Sawyer 1971-8-13 2437 Trinity Between McDonald and Stoddard Lakes 1814 Comment
  RSA211422  Mimulus primuloides William J. Ferlatte 1967-8-18 1002 Trinity Head of Union Creek. 1982 Comment
  HSC44823  Mimulus primuloides var. linearifolius Thomas W. Nelson, Jane P. Nelson 1977-7-30 3679 Trinity Along the S Fork of Black Lassic Creek 1494 Comment
  RSA790236  Mimulus primuloides var. linearifolius Rebecca Wenk 2005-7-19 309 Trinity Along National Forest Road 17, 2 miles from turnoff from Hwy 3, above the Trinity River. 351 Comment
  RSA67025  Mimulus primuloides var. pilosellus P. A. Munz 1951-7-21 16755 Trinity Head of Patty John Basin, North Yolla Bolly Mts. 2073 Comment
  JEPS100210  Mimulus pulsiferae Dean W. Taylor 2002-6-10 18115 Trinity Highway 3 about 5 miles S of Trinty Center, near the junction of a logging road, west of the highway 822 Comment
  UC582485  Mimulus pulsiferae Joseph P. Tracy 1937-7-2 15394 Trinity on ridge 2 mi e Grove's Prairie; Trinity Summit 1524 Comment
  HSC62969  Mimulus pulsiferae R. York 1979-5-12 278 Trinity Above Philpot BLM Campground 823 Comment
  SEINET7042855  Mimulus tricolor A. G. Vestal 1955-5-13 s.n. Trinity Ca 0.6 mile northwest of Big Bar Research Station. Trinity National Forest, Trinity River Valley. Big Bar quadrangle UTM Zone 10, 477484.E,4510171mN. Comment
  JEPS81084  Minuartia douglasii Thomas W. Nelson 1980-5-30 5353 Trinity along road 60 (Underwood Mountain Road) 6.6 mi s junction with State Road 299; Shasta-Trinity National Forest, Ironside Mountain Quad. 1066 Comment
  RSA249374  Minuartia douglasii D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5631 Trinity Trinity-Humboldt Cos. Senteney Rock. A large barren Franciscan Rock along Swayback Ridge. Comment
  CAS-BOT-BC388908  Minuartia douglasii Eugene Carter 1971-6-16 235 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity. (18 mi. NW of Weaverville.) 1 1/4 mi. up White's Creek Trail 975 Comment
  HSC360  Minuartia nuttallii subsp. gregaria William J. Ferlatte 1967-8-17 974 Trinity Ridge between Landers Lake and Union Lake 2134 Comment
  HSC68906  Minuartia nuttallii subsp. gregaria Thomas W. Nelson, Jane P. Nelson 1980-6-20 5684 Trinity Hill above FS 29N55 at jct. with spur road, 5.6 mi. S of junction with Hwy. 36 1677 Comment
  UC1225886  Minuartia nuttallii subsp. gregaria Helen K. Sharsmith Aug 27 1960-Aug 29 1960 4834 Trinity ne-facing slope near ridgetop between Marshy and Mosquito Lakes; Shasta National Forest, Salmon-Trinity Alps Wilderness Area 2103 Comment
  HSC42572  Minuartia nuttallii subsp. gregaria Robert M. Specht 1977-6-28 1090 Trinity Ridge on Round Mtn. 1494 Comment
  UC1299496  Minuartia nuttallii subsp. gregaria Freed W. Hoffman 1948-7-14 2662 Trinity 16.6 mi w Castella (on Castella-Trinity River road 3 mi w of summit); North Coast Ranges 1630 Comment
  UC130691  Mitella trifida H. M. Hall July, 1909 8627 Trinity Union Creek Salmon Mountains Comment
  JEPS94236  Moehringia macrophylla Vernon Oswald and Lowell Ahart 1998-5-14 9058 Trinity 0.2 mi s of Gemmill Gulch Picnic Area (Wildwood Road along the w side of Hayfork Creek, 5.1 mi n of Highway 36); Hayfork Creek, Wildwood Road 1005 Comment
  CAS-BOT-BC215512  Monardella odoratissima Eugene Carter 1971-7-13 291 Trinity 1/2 mi. NW of Keystone Meadows Helispot, North Fork Trinity River, Hobo Gulch Camp and vicinity, 18 mi. NW of Weaverville 1524 Comment
  UC130595  Monardella odoratissima subsp. glauca H. M. Hall July 1909 8602 Trinity Dorleska Salmon Mountains 1981 Comment
  UCR45451  Monardella odoratissima subsp. glauca Michelle A. Strull 1985-6-23 021 Trinity 0.25 mi south of Hayfork Bally lookout on FS Road 33N52 1799 Comment
  HSC40802  Monardella odoratissima subsp. odoratissima Thomas W. Nelson, Jane P. Nelson 1976-7-1 2971 Trinity Along FS 5E27 just N of junction with FS 1S07 1555 Comment
  HSC56816  Monardella odoratissima subsp. pallida G. L. Clifton, Muth 1979-7-18 8592 Trinity Near Mad River Campground, close to the town of Mad River. 762 Comment
  UC922590  Monardella odoratissima subsp. pallida Annie M. Alexander and Louise Kellogg 1948-8-18 5502 Trinity East Fork Canyon Creek Lake, Trinity Mountains. 1752 Comment
  JEPS104999  Monardella purpurea Dean W. Taylor 1996-7-26 15849 Trinity Trinity Mtns.; Cedar Creek along Forest Road 40N45 (about 10 air miles southwest of Weed); Shasta-Trinity National Forest. 1981 Comment
  SEINET12326757  Monardella villosa subsp. sheltonii M. S. Taylor 1982-1 5171 Trinity T32N R10W NW sec12, Weaverville quad. Douglas City Recreation Area (BLM Campground), ca 0.5mi SW of* 488 Comment
  RSA0022789  Monardella villosa subsp. subserrata Carl B. Wolf 1937-8-11 9154 Trinity North Coast Range, Upper Mad River, 0.2 mi. below Mad River Store. 610 Comment
  HSC54301  Monotropa hypopitys Walter Overton 1979-7-17 7714 Trinity Near Horse Ridge, close to the town of Mad River 1219 Comment
  JEPS100418  Montia howellii Dean W. Taylor 2003-5-25 18589 Trinity Burnt Ranch Campground, Campsite 16 Klamath Mountains, Trinity National Forest 420 Comment
  UC673008  Montia howellii Joseph P. Tracy 1927-5-14 8021 Trinity vicinity of Salyer; Northern Coast Ranges 182 Comment
  POM298363  Montia linearis H. C. Cantelow 1936-5-21 s.n. Trinity N of Picnic Ground near Scott Ranch Comment
  CHSC31190  Montia parvifolia M. S. Taylor 1980-6-11 2841 Trinity On n facing rocky wall in vernally moist moss, s side of Hwy 299 at Cedar Flat, ca. 3 mi e of Burnt Ranch. 304 Comment
  CAS-BOT-BC445218  Montia parvifolia Eugene Carter 1969-6-24 191 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity. (18 mi. NW of Weaverville.) On cliff face at lower end of Hobo Gulch Camp. 883 Comment
  CAS-BOT-BC94456  Muhlenbergia andina R. C. Wenk 2005-7-19 310 Trinity along National Forest Road 17,2 miles from turnoff from Highway 3, above the Trinity River 1150 Comment
  HSC92624  Muhlenbergia filiformis Jennifer Whipple 1977-9-9 2298 Trinity Klamath Mountains, Mount Eddy. Near the upper Deadfall Lakes. 2317 Comment
  UCR37536  Myosurus minimus var. filiformis L. P. Janeway 1983-5-21 302 Trinity North Coast Range, Vernal pool east of Burnt Ranch USFS Campground 396 Comment
  CDA10818  Nama lobbii G. F. Hrusa 1993-7-24 11392 Trinity Trinity Mountains; Immediately to N of saddle, approx. 1 m. N of headwaters of Scorpion Creek, on ridge to N of Bonanza King Lookout. 1584 Comment
  POM312924  Narthecium californicum H. L. Mason 1950-7-15 14053 Trinity Summit of grade, Scott Mountain Comment
  RSA49786  Narthecium californicum E. K. Balls 1949-7-7 13880 Trinity Scott Mountain Camp Meadow, Scott Mountain 1616 Comment
  UCD139966  Narthecium californicum Herbert L. Mason 1950-7-15 14053 Trinity Scott Mountain. Comment
  CAS-BOT-BC516035  Narthecium californicum H. M. Hall 1909-7-1 8681 Trinity Swift Creek; Salmon Mountains 1920 Comment
  SD71329  Navarretia atractyloides John Thomas Howell 1955-6-13 30375 Trinity Hayfork 715 Comment
  UC52721  Navarretia atractyloides Chesnut and Drew 1888-7-23 Trinity Hy-Am-Pom [Hyampom] Comment
  UC1299598  Navarretia divaricata Freed W. Hoffman 1950-7-7 3685 Trinity Hayfork summit, on road to Douglas City North Coast Ranges Comment
  UC130615  Navarretia divaricata H. M. Hall Jul 1909 8636 Trinity Big Flat Salmon Mountains 1463 Comment
  UC1553522  Navarretia intertexta E. Dean 1988-6-12 32 Trinity Hayfork, SE shore of reservoir Comment
  HSC103562  Navarretia intertexta subsp. intertexta Thomas W. Nelson, Jane Nelson 1986-6-21 8118 Trinity Along County Road, ~ 12 mi. N of Hyampom; along Grouse Creek 152 Comment
  UC602556  Nemacladus capillaris Joseph P. Tracy 1932-6-17 10189 Trinity Three Forks of Mad River; North Coast Ranges 883 Comment
  RSA20736  Nemacladus capillaris C. B. Wolf 1937-6-20 8941 Trinity North Coast Range, Van Duzen Road to Hettinshaw Valley, 9.5 miles above Eureka-Red Bluff Road 762 Comment
  SEINET10464786  Nemacladus capillaris Wolf 1937-6-20 WOLF 8941 Trinity North Coast Range, van Duzen Road to Hettingshaw Valley, 9.5 miles above Eureka-Red Bluff Road 762 Comment
  SEINET10464799  Nemacladus capillaris Tracy 1941-6-29 TRACY 16929 Trinity Halfway between Kuntz and Hettenshaw on shell rock slope 1128 Comment
  HSC35261  Nemophila menziesii Ron Ralston 1975-5-17 63 Trinity Humboldt Meridian, SE facing slope on the trail to Denny at the confluence of the New River and Trinity River 310 Comment
  HSC51156  Nemophila menziesii G. L. Clifton, Overton 1979-6-4 3975 Trinity Near Van Duzen River, close to the town of Alderpoint. 853 Comment
  HSC27146  Nemophila menziesii J. P. Smith, J. O. Sawyer 1972-4-30 5234 Trinity 5 mi. from junction with Hwy. 299 along Hennessy Rd. Comment
  UC1561296  Nemophila parviflora Barbara Ertter with Thomas J. Delendick 1987-5-17 6962 Trinity Rt. 3 n Weaverville (a few mi s of Rush Creek Rd jct along a straight stretch of road); n of Weaverville 822 Comment
  HSC46842  Nemophila parviflora var. austiniae William J. Ferlatte 1975-5-21 1703 Trinity Canyon of the Stuart Fork of the Trinity River; 3 mi. W of Hwy. 3 823 Comment
  HSC69808  Nemophila pedunculata Thomas W. Nelson, Jane P. Nelson 1978-3-25 3815 Trinity Along Indian Creek near junction with Trinity River 488 Comment
  HSC91012  Noccaea fendleri subsp. glauca Jennifer Whipple 1977-7-5 1911 Trinity N of Lower Deadfall and Deadfall Lakes along creek draining the upper Deadfall Lakes 2165 Comment
  HSC64962  Noccaea fendleri subsp. glauca D. L. Goforth 1979-5-30 147 Trinity Trinity Alps Wilderness Area 1616 Comment
  HSC91011  Noccaea fendleri subsp. glauca Jennifer Whipple 1977-5-27 1897 Trinity Near parking area by the road for the Lower Deadfall Lakes 1951 Comment
  SEINET3136019  Notholithocarpus densiflorus R. W. Spellenberg 1987-7-16 9202 Trinity Ca 3 mi SE of Burnt Ranch, 1 mi SW of Hwy 299, Spellenberg property 488 Comment
  UCR32147  Notholithocarpus densiflorus var. echinoides David J. Keil 1983-7-3 17358 Trinity c. 10-12 mi south of Scott Mountain Pass on State Route 3 Comment
  HSC85721  Nuphar polysepala J. P. Smith 1980-8-23 10335 Trinity Shasta-Trinity National Forest, Lake Eleanor 1524 Comment
  HSC69794  Oemleria cerasiformis Thomas W. Nelson, Jane P. Nelson 1978-3-25 3830 Trinity Terrace above Canyon Creek at Lower Canyon Creek Meadow 915 Comment
  SEINET10529929  Onychium densum Mary Susan Taylor 1975-4-12 Taylor 462 Trinity Underwood Mountain Rd, 1 mi S of Hwy 299, between Burnt Ranch and Big Bar. Associates: Pinus sp., Rhus diversiloba. Comment
  CHSC65618  Oreostemma alpigenum var. andersonii Maria Ulloa-Cruz 1994-9-5 79 Trinity Shasta-Trinity National Forests. Mount Shasta Ranger District, trail to Deadfall Lakes. 2317 Comment
  HSC72111  Oreostemma alpigenum var. andersonii J. P. Smith 1976-9-7 8991 Trinity Scott Mtn. Campground 1646 Comment
  CAS-BOT-BC500201  Orobanche fasciculata Ella Dales Cantelow 1935-6-11 924 Trinity Scenic Trail, Trinity Alps Resort Comment
  HSC45792  Orobanche uniflora Brad Klipfel 1975-5-3 601 Trinity Gray's Falls, along N side of the Trinity River, S-facing slope Comment
  HSC4785  Orobanche uniflora William J. Ferlatte 1967-6-26 504 Trinity Big Flat 1524 Comment
  HSC70197  Orobanche uniflora M. A. Baker 1980-5-24 1506 Trinity Near Long Ridge. 1006 Comment
  UC585981  Orobanche uniflora subsp. occidentalis Joseph P. Tracy 1935-8-7 14620 Trinity Devil's Canyon Mts. at head of White's Creek. Comment
  UC1197135  Orogenia fusiformis Joseph P. Tracy 1946-6-16 17585 Trinity S. Fork Mt., the Race Track 1676 Comment
  UC906733  Orogenia fusiformis Harold E. Parks and Joseph P. Tracy 1942-7-2 11592 Trinity S. Fork Mt., the Racetrack 1645 Comment
  UCD117693  Orthilia secunda Joseph M. DiTomaso 1975-9-2 310 Trinity Last creek west of Stoddard Meadow along East Fork Coffee Creek Trail. 1661 Comment
  CAS-BOT-BC238411  Orthocarpus Cantelow; Herbert Cantelow 1937-8-20 1864 Trinity Along trail above Bear Creek Meadow Comment
  JEPS66432  Orthocarpus cuspidatus subsp. copelandii L. R. Heckard and P. Rubtzoff 1971-8-1 2694 Trinity w end Middle Deadfall Lake (about 1 air mi sw of Mt. Eddy summit); w end of Middle Deadfall Lake, sw of Mt. Eddy summit 2225 Comment
  CAS-BOT-BC94440  Orthocarpus cuspidatus subsp. copelandii R. C. Wenk 2005-7-18 284 Trinity Scott Mountains, border between Trinity and Siskiyou Counties. Along Pacific Crest Trail, 1 mile E of Highway 3 1750 Comment
  UC582574  Orthocarpus imbricatus Joseph P. Tracy Jul 16 1930-Jul 19 1930 9102 Trinity South Fork Mountain; Northern Coast Ranges, South Fork Mountain 1676 Comment
  RSA114078  Orthocarpus imbricatus Joseph P. Tracy, Harold E. Parks 1941-8-27 11516 Trinity Cold Springs area, South Fork Mountain. Comment
  RSA20770  Orthocarpus imbricatus Carl B. Wolf 1937-8-12 9190 Trinity North Coast Range, South Fork Mt., 1 mi S of Cold Spring Lookout. 1585 Comment
  HSC408  Osmorhiza berteroi William J. Ferlatte 1967-8-10 874 Trinity Grizzly Creek, 1/4 mi. below falls 1829 Comment
  HSC71500  Osmorhiza berteroi M. A. Baker 1980-7-2 2635 Trinity Near Horsehead Mtn. 1737 Comment
  HSC28227  Osmorhiza berteroi Larry Catton 1973-6-1 14 Trinity 1 mi. E of Grays Falls Campground on Fishermen Access road Comment
  HSC36012  Osmorhiza occidentalis J. P. Smith, J. O. Sawyer 1973-7-27 7198 Trinity Trail to Deadfall Lakes. 1951 Comment
  SBBG13326  Osmorhiza occidentalis H. and M. Dearing 1939-6-25 3717 Trinity rd to Blake Lookout 1524 Comment
  HSC91145  Osmorhiza occidentalis Jennifer Whipple 1976-7-6 1305 Trinity N of Lower Deadfall and Deadfall Lakes along drainage 2165 Comment
  UCD127843  Osmorhiza occidentalis Joseph M. DiTomaso 1976-7-6 556 Trinity Trinity Alps, closer to Swift Ceek than Parker Meadows, Parker Meadows on Swift Creek Trails. 1615 Comment
  HSC72656  Osmorhiza purpurea Gail Newton 1980-6-26 645 Trinity Near Underwood Creek. 451 Comment
  CHSC30272  Packera greenei M. S. Taylor; B. Williams 1980-6-16 2886 Trinity On w side of Hwy 30 on slope, ca. 2.3 mi s of its jct with Hwy 36, ca. 2 mi s of Wildwood. 1158 Comment
  HSC67206  Packera greenei Thomas W. Nelson, Jane P. Nelson 1980-6-16 5457 Trinity Shasta-Trinity National Forest, just N of Philpot Campground 793 Comment
  HSC70114  Packera greenei Thomas W. Nelson, Jane P. Nelson 1978-6-23 4344 Trinity Along road to Hell to Find Lake. Comment
  UC13862  Paeonia brownii W. C. Blasdale 1896-6-13 Trinity Douglas City Comment
  UC922525  Panicum acuminatum var. acuminatum Annie M. Alexander and Louise Kellogg 1948-8-24 5548 Trinity Morris Meadow Stuart Fork of Trinity River (Stuart Fork of Trinity River); Trinity Mountains, Stuart Fork Trinity River Comment
  UCD88715  Panicum acuminatum var. fasciculatum Peter H. Raven; R. Snow 1958-7-18 13584 Trinity 2 miles north of Minersville on road to Trinity Center. Comment
  CAS-BOT-BC253679  Panicum capillare John Thomas Howell 1936-8-25 12793 Trinity Near Trinity Center Comment
  UCD89387  Panicum capillare J. C. Borden 1970-8-27 s. n. Trinity Hayfork. Joseph Terras Ranch. 1219 Comment
  UCD107442  Parnassia fimbriata Joseph M. DiTomaso 1976-8-31 684 Trinity Cross country route from Landers Lake to Union Lake, just above Union Lake. 1950 Comment
  JEPS121440  Parnassia palustris Julie Kierstead Nelson, Susan Erwin, Martin Lenz 2009-8-26 2009 -009 Trinity In Upper Hayfork Creek watershed, ca. 200 m east of Forest Road 30; 3 miles south of Highway 36. Comment
  HSC46710  Parnassia palustris Joseph M. DiTomaso 1976-8-27 682 Trinity Trinity Alps, just above Swift Creek Trail and Granite Lake Trail junction on Swift Creek Trail. 1326 Comment
  CAS-BOT-BC202877  Paxistima myrsinites Eugene Carter 1972-3-29 360 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity. (18 mi. NW of Weaverville.) Along Backbone Creek Trail about 1 mi. east of Keystone Flat 944 Comment
  UC1096822  Paxistima myrsinites H. K. Wagnon 1957-7-26 1655 Trinity 1/2 mi. w. Coffee Creek Guest Ranch (near Goldfield Campground); North Coast Ranges Comment
  HSC71218  Pectocarya pusilla Thomas W. Nelson, Jane P. Nelson 1979-5-19 4689 Trinity SW of Philpot Campground 915 Comment
  HSC4486  Pedicularis bracteosa var. flavida William J. Ferlatte 1967-8-6 797 Trinity Upper end of Canyon Creek above the lakes 1829 Comment
  JEPS74631  Pedicularis bracteosa var. flavida William J. Ferlatte, Alice Q. Howard 1970-8-12 1317 Trinity ridge w of upper Canyon Creek; Trinity Alps 2255 Comment
  UCD123285  Pedicularis bracteosa var. flavida Joseph M. DiTomaso 1976-7-7 593 Trinity Trinity Alps, on switchbacks to Horseshoe Lake on Swift Creek Trail. 1828 Comment
  HSC67344  Pedicularis densiflora Thomas W. Nelson 1980-5-30 5363 Trinity Along Rd. 60 (Underwood Mtn. Rd.), 10 mi. S from junction with Hwy. 299 1341 Comment
  HSC73452  Pedicularis densiflora Grunert 3 Trinity Philpot Campground 808 Comment
  HSC97087  Pedicularis densiflora Thomas W. Nelson, Sydney Carothers 2006-5-19 9403 Trinity Along Forest Service Rd. 1N05, along Copper Mine Hill. 1448 Comment
  HSC97595  Pedicularis densiflora Kevin Thomas 2004-3-19 8 Trinity Gray Falls Picnic Area, Hwy. 299 Comment
  CAS-BOT-BC67695  Pellaea brachyptera Annie M. Alexander; Louise Kellogg 1948-8-21 5227 Trinity Trinity Mountains - Morris Meadow, Stuart Fork of Trinity River. 1280 Comment
  CHSC68983  Pellaea brachyptera Vernon Oswald; Lowell Ahart 1997-7-17 8751 Trinity Forest Route 29 (in Trinity National Forest) 0.3 mi northwest of the West Fork of Smoky Creek, 8.4 mi south of Hwy. 36. 1225 Comment
  HSC95883  Pellaea brachyptera Vernon H. Oswald, L. Ahart 1997-7-17 8751 Trinity Forest Route 29 in Trinity National Forest, 0.3 mi. NW of the W fork of Smoky Cr. 8.4 mi. S of Hwy. 36 1226 Comment
  HSC42354  Pellaea brachyptera Sue Sweet 1977-5-7 42 Trinity Highest point between Dubakella Mtn. and S Dubakella Mtn. 1677 Comment
  HSC44149  Pellaea brachyptera M. A. Baker 1977-5-7 248 Trinity S slope of Dubakella Mtn. 1829 Comment
  CHSC31047  Penstemon anguineus M. S. Taylor 1980-7-16 3144 Trinity Bear Creek trail, e of Canyon Creek trail, ca. 12.1 mi n of Junction City on Hwy 299. 1371 Comment
  HSC55421  Penstemon anguineus G. L. Clifton 1979-7-16 7844 Trinity Near S Fork Mtn., close to the town of Mad River 1646 Comment
  JEPS84362  Penstemon anguineus E. Dean 1988-7-19 139 Trinity downslope from Horseridge lookout South Fork Mtn., downslope from Horseridge lookout Comment
  UC195193  Penstemon anguineus Annie M. Alexander and Louise Kellogg 1911-7-3 210 Trinity North Fork Coffee Creek N Fk Coffee Creek 1371 Comment
  RSA258870  Penstemon anguineus Thomas W. Nelson 1973-7-10 1038 Trinity Along Mule Ridge south-east of Red Lassic. Comment
  SD42567  Penstemon azureus Carl B. Wolf 1937-8-11 9150 Trinity North Coast Range, Upper Mad River, 2/10 mi. below Mad River Store 609 Comment
  NY571116  Penstemon azureus var. angustissimus G. H. True Jr. 1937-7-2 745 Trinity Near Weaverville, on Weaver Creek 548.6 Comment
  NY571174  Penstemon azureus var. azureus C. L. Hitchcock 1939-7-12 5351 Trinity 6 miles above Dietrich on Canyon Creek Trail, Salmon-Trinity Alps 1219.2 Comment
  HSC78246  Penstemon deustus John S. Palmer 1976-7-2 441 Trinity Along Log Lake Creek. 1707 Comment
  HSC37402  Penstemon deustus Gary S. Lester 1973-6-10 7 Trinity Trinity Alps, Emerald Lake, below Sapphire Lake 1768 Comment
  CHSC4727  Penstemon deustus var. suffrutescens R. Carter 1966-5-15 416 Trinity Located one mi. W of Junction City on S side of Hwy. 299, growing along road. 609 Comment
  UC1222429  Penstemon deustus var. suffrutescens Mrs. F. A. Graham 1926-6-25 Trinity around White's Creek Lake (head of North Fork of White's Creek, Devil's Canyon Mts.); Devil's Canyon Mts., North Fork of White's Creek 1889 Comment
  CHSC40958  Penstemon filiformis J. D. Jokerst 1984-7-26 2127 Trinity Ca. 400 feet above and east of Mule Creek, ca. 1.5 miles (air) north of USFS Mule Creek Station. 868 Comment
  CHSC81568  Penstemon filiformis Ann Willyard 2000-7-27 511 Trinity Perry Gulch. Recently abandoned spur rd NW of USFS rd 36N24, just e of spur rd to Lake Eleanor. UTM: 10 519179 E 4537097 N. 1432 Comment
  HSC59932  Penstemon filiformis D. L. Goforth 1979-7-6 219 Trinity 0.2 mi. N of Eagle Creek Campground Comment
  JEPS109695  Penstemon filiformis Dean W. Taylor 2002-6-12 18133 Trinity Highway 3 ca. 1 mile South of Trinity Center, eastern edge of the roadway 822 Comment
  HSC64176  Penstemon heterophyllus J. O. Sawyer, Thomas W. Nelson 1978-6-9 3161 Trinity Trail to Red Mtn. 1220 Comment
  SEINET10334698  Penstemon heterophyllus M. A. Baker 1980-5-25 1574 Trinity Next to old logging road, 1k N of Shannon Butte 792 Comment
  RSA20754  Penstemon heterophyllus subsp. purdyi Carl B. Wolf 1937-6-20 8959 Trinity North Coast Range, 13 7/10 mi S of Zenia on Covelo Rd. 915 Comment
  UCR45356  Penstemon laetus subsp. leptosepalus Michelle A. Strull 1985-6-28 41 Trinity 1/4 mi east of FS Road 33N52 on the Bear Creek Trail 1677 Comment
  JEPS123147  Penstemon newberryi var. berryi D. Burge and J. Nelson with Jepson Herbarium workshop participants 2015-6-27 JHWS- 126 Trinity Bonanza King Comment
  HSC81641  Penstemon parvulus Thomas W. Nelson, Jane P. Nelson 1980-7-17 6110 Trinity Along FS Rd. 17 at summit at county line 2073 Comment
  HSC82504  Penstemon parvulus Thomas W. Nelson, Jane P. Nelson 1979-6-14 4761 Trinity Along Trinity River and old Hwy. 3, N of Eagle Creek Campground 823 Comment
  UCR5099  Penstemon procerus Eugene Cardiff 1966-7-23 s.n. Trinity North Coast Range, Salmon Mountains, Joseph ('Josephine') Creek 900 Comment
  RSA211300  Penstemon procerus subsp. brachyanthus William J. Ferlatte 1966-6-30 162 Trinity Canyon Creek Lakes. Trinity Alps 1646 Comment
  UC722366  Penstemon procerus var. brachyanthus C. L. Hitchcock and J. S. Martin 1939-7-12 5351 a Trinity 6 mi n Dedrick (on Canyon Creek trail); Salmon-Trinity Alps Comment
  HSC65954  Penstemon purpusii Gail Newton 1980-7-3 1000 Trinity Near Horsehead Mtn. 1753 Comment
  CHSC1877  Penstemon rydbergii var. oreocharis V. Holt 1942-8-4 Trinity Sapphire Lake, Trinity Alps. 2377 Comment
  HSC21115  Penstemon tracyi William J. Ferlatte 1967-6-28 550 Trinity E side of Packers Peak 2073 Comment
  NY130536  Penstemon tracyi J. P. Tracy 1935-8-5 14567 Trinity Devil's Canyon Mts, at head of White's Creek. 2133.6 Comment
  CAS-BOT-BC77123  Pentagramma triangularis subsp. triangularis Doris Kildale 1931-5-30 10748 Trinity Weaverville Comment
  SEINET13944952 Image available Perideridia bolanderi L. Constance, T. I. Chuang 1967-1 3796 Trinity Preacher Meadow turnoff 2 mi S of Trinity Center, alt. 3200 ft 975 Comment
  UCD127836  Perideridia gairdneri Dean Wm. Taylor; Kathleen A. Teare 1979-9-13 7710 Trinity Smoky Creek headwaters, (ca. 8 miles southeast of Forest Glen). 1158 Comment
  UCR80293  Perideridia oregana Thomas W. Nelson, J. Nelson 1976-7-28 3055 Trinity The Lassics, meadow along 5E27 just north of 1S07 1555 Comment
  HSC91154  Perideridia parishii subsp. latifolia Jennifer Whipple 1976-9-1 1743 Trinity N of Lower Deadfall and Deadfall Lakes along the creek draining the upper Deadfall Lakes. 2165 Comment
  UC933372  Perideridia parishii subsp. latifolia Annie M. Alexander and Louise Kellogg 1948-8-6 5412 Trinity Upper Canyon Creek Lake Trinity Mountains 1767 Comment
  CAS-BOT-BC419166  Persicaria maculosa G. R. Kleeberger 1879-8-30 s.n. Trinity Weaverville Comment
  HSC66795  Petrorhagia dubia Cathy Goldberg, Lynn Kunstman, Lauren Philbrick, Geoff Walsh 1980-5-4 90 Trinity Hwy. 299, 1/4 mi. E of Hayden Flat Campground Comment
  RSA456110  Petrorhagia dubia Christopher Davidson 1973-5-28 2186 Trinity E of Burnt Ranch on Hwy 299, Trinity River Canyon, Trinity National Forest. 305 Comment
  CHSC70131  Phacelia corymbosa Jennifer Whipple 1976-8-19 1702 Trinity Klamath Mountains, Mount Eddy. Deadfall drainage near the upper Deadfall Lakes. 2438 Comment
  HSC67406  Phacelia corymbosa Ed Cope, John Palmer Jul 1977 503 Trinity South of trail to Granite Lake. 1280 Comment
  HSC68850  Phacelia corymbosa Thomas W. Nelson, Jane P. Nelson 1980-6-20 5716 Trinity Shasta-Trinity National Forest, along Forest Service Rd. 29N73, 1.6 mi. S of junction with Hwy. 36 1220 Comment
  HSC82503  Phacelia corymbosa Thomas W. Nelson, Jane P. Nelson 1979-6-14 4760 Trinity Along Trinity River and old Hwy. 3, N of Eagle Creek Campground 823 Comment
  UC1199112  Phacelia corymbosa Joseph P. Tracy 1925-5-17 6997 Trinity Hennessey Rd Northern Coast Ranges, South Fork of Trinity River (leading up river) 609 Comment
  UC735079  Phacelia corymbosa Lincoln Constance and Ren Hwa Shan 1946-6-1 3066 Trinity above river between Eagle Creek and Coffee Creek (7 mi n of Carrville); Trinity River 914 Comment
  CDA40337  Phacelia corymbosa J. T. Howell 1955-6-13 30368 Trinity Peanut. Comment
  RSA133618  Phacelia corymbosa L. R. Heckard 1952-6-17 300 Trinity Along road from Castella, three miles east of the Trinity Center-Callahan road. Comment
  UC1047020  Phacelia corymbosa L. R. Heckard 1952-6-17 300 Trinity along road from Castella 3 mi e Trinity Center-Callahan road Comment
  RSA0088727  Phacelia dalesiana Bonnie C. Templeton 1968-6-13 11311 Trinity Scott Mt. near Trinity-Siskiyou County divide. 2086 Comment
  HSC72609  Phacelia heterophylla Gail Newton 1980-7-1 826 Trinity Near Hayden Roughs. 1250 Comment
  HSC73899  Phacelia heterophylla R. York 1980-5-24 642 Trinity Near Long Ridge. 1036 Comment
  HSC72843  Phacelia heterophylla subsp. virgata Gail Newton 1980-7-1 855 Trinity Near Hayden Roughs 1219 Comment
  CAS-BOT-BC145048  Phacelia leonis Joseph P. Tracy 1935-8-3 14443 Trinity Mary Blaine Mt. 1950 Comment
  JEPS8330  Phacelia linearis Rimo Bacigalupi with L. Constance, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-12 3384 Trinity Wildwood 1005 Comment
  CHSC70141  Phacelia mutabilis Jennifer Whipple 1977-8-3 2118 Trinity Mount Eddy, Klamath Mountains. Meadows north of Lower Deadfall and Deadfall Lakes along the creek draining the upper Deadfall Lakes. 2240 Comment
  RSA518680  Phacelia mutabilis L. R. Heckard, Peter Rubtzoff 1971-8-1 2695 Trinity Bench between Upper and Middle Deadfall Lakes, about 1 air mile southwest of Mt. Eddy summit. 2317 Comment
  UCD120626  Phacelia mutabilis Joseph M. DiTomaso 1975-7-14 136 Trinity Below Anna Lake and above Bowerman Meadows. 1828 Comment
  HSC43868  Phacelia pringlei Jennifer Whipple 1977-8-3 2114 Trinity Along trail to the Deadfall Lakes 2195 Comment
  HSC81553  Phacelia pringlei Thomas W. Nelson, Jane P. Nelson 1980-7-17 6097 Trinity Along FS Rd. 17 at summit at county line 2073 Comment
  HSC20260  Philadelphus californicus J. F. Knezevich 1967-7-8 330 Trinity 5 mi. N of Hwy. 299 on W entrance to Ironsides Mtn. Comment
  CAS-BOT-BC77440  Philadelphus lewisii Joseph P. Tracy 1941-6-29 16963 Trinity Mad River 792 Comment
  HSC82135  Philadelphus lewisii Thomas W. Nelson, Jane P. Nelson 1979-6-26 4935 Trinity Along Philpot Creek at campground 793 Comment
  UC1536978  Philadelphus lewisii Gordon H. True Jr. 1937-7-2 752 Trinity e Weaverville 609 Comment
  UC52513  Phlox diffusa Mrs. M. H. Manning 1900-1 Trinity Trinity Summit Comment
  HSC103523  Phlox speciosa Thomas W. Nelson, Jane Nelson 1981-5-23 6485 Trinity Shasta-Trinity National Forest; along Forest Service Rd. 38N24, ~ .25 mi. W of bridge over Mumbo Creek 1189 Comment
  UC464490  Phlox speciosa subsp. occidentalis R. M. Holman 1931-5-15 Trinity Wildwood 1158 Comment
  CHSC114564  Phlox speciosa subsp. occidentalis Sue Pappalardo 1993-6-2 395 Trinity Shasta-Trinity National Forest. Hayfork Ranger District; Butter Creek. 2N18 road at junction with 18 c road. 1200 Comment
  HSC37495  Phlox speciosa subsp. occidentalis M. G. Schmidt 1976-5-16 8 Trinity 1/2 mi. above Hwy. 36 on Dubakella Rd. Comment
  RSA211338  Phoenicaulis cheiranthoides William J. Ferlatte 1967-6-28 563 Trinity E side of Packers Peak. Trinity Alps. 2387 Comment
  CAS-BOT-BC60783  Physaria occidentalis Annie M. Alexander; Louise Kellogg 1949-6-29 5721 Trinity Saddle between North Yolla Bolly and Black Rock Mountains, Yolla Bolly Middle Eel Primitive Area. 2103 Comment
  UCD113676  Physocarpus capitatus Joseph M. DiTomaso 1976-7-7 584 Trinity Swift Creek Trail just east of junction with Mumford Basin Trail. 1706 Comment
Read comments
Apr 24 2014
  CAS-BOT-BC78148  Picea breweriana E. R. Johnson 1930-10-13 1597 Trinity Between [canyon] Canyon Creek Meadows and Lakes 1828 Comment
  JEPS57744  Pinus balfouriana L. R. Heckard 1967-8-13 1678 Trinity above Middle Deadfall Lake (on trail to Mt. Eddy summit) 2377 Comment
  UCD134388  Pinus balfouriana Joseph M. DiTomaso 1975-8-14 265 Trinity Trinity Alps, at Diamond Lake. 2209 Comment
  HSC28838  Pinus jeffreyi J. P. Smith 1973-4-21 6349 Trinity Eagle Creek Campground, along the Trinity River. 869 Comment
  HSC54282  Pinus jeffreyi G. L. Clifton, Butler 1979-7-17 7438 Trinity Near Horse Ridge Mtn., close to the town of Mad River 1851 Comment
  JEPS128118  Pinus jeffreyi Julie Kierstead Nelson with Heath Bartosh, Jepson Yolla Bolly Workshop 2017-7-13 2017 -022 Trinity Yolla Bolly Wilderness; near Tehama County line; Pettiohn Basin; headwaters of the east fork of the south fork of Trinity River. Comment
  UCD134707  Pinus jeffreyi Joseph M. DiTomaso 1975-9-15 327 Trinity Trinity Alps., Steer Creek on Swift Creek Trail. 1463 Comment
  OBI36536  Pinus lambertiana David J. Keil 1983-7-3 17366 Trinity Ca. 10-12 mi S of Scott Mtn Pass on SR 3 Comment
  UC1585465  Pinus monticola R. Raiche, K. Zadnik, and H. Forbes 1989-10-4 UCBG 67 Trinity near lowest Deadfall Lake; Mt. Eddy 2190 Comment
  UCD134799  Pinus monticola Joseph M. DiTomaso 1975-9-4 316 Trinity Trinity Alps, Granite Lake north of Coffee Creek. 1965 Comment
  UCR7825  Pinus monticola Wm. Horn Jr. 1967-4-3 670403- 01 Trinity 9 mi west of Castle Crags State Park 1829 Comment
  UC1196926  Pinus ponderosa Joseph P. Tracy 1926-8-22 7773 Trinity Low Gap, between Van Duzen and Mad River; Northern Coast Ranges of California 762 Comment
  CAS-BOT-BC72735  Pinus sabiniana Doris K. Kildale 1927-7-3 3675 Trinity La Grange Mine between Junction City & Weaverville Comment
  HSC37822  Pinus sabiniana Thomas W. Nelson, Jane P. Nelson 1976-2-7 2257 Trinity Pigeon Point, Bulk Collection # 109 Comment
  SEINET10834171  Pityrogramma triangularis Mary Susan Taylor 1980-7-15 Taylor 3137 Trinity Shasta-Trinity Natl Forest, Canyon Creek trail, from trailhead to meadows above the falls, ca. 12.1 mi N of Junction City on Hwy 299. 914 Comment
  HSC41029  Plagiobothrys nothofulvus J. P. Smith, Thomas W. Nelson, Jane P. Nelson 1976-3-20 8528 Trinity Shasta-Trinity National Forest, White's Bar 427 Comment
  HSC82514  Plagiobothrys nothofulvus Thomas W. Nelson 1979-5-13 4675 Trinity At junction of county roads NE of Rees Brothers Coal Mine. 579 Comment
  HSC54329  Platanthera dilatata var. leucostachys W. C. Overton 1979-7-17 7797 Trinity Near South Fork Mountain, close to the town of Mad River 1390 Comment
  HSC27514  Platanthera dilatata var. leucostachys J. D. Ackerman, A. Montalvo 1973-7-6 101 Trinity 1/4 mi. up trail to East Weaver Lake, near Weaver Bally Lookout 1829 Comment
  HSC78716  Platanthera dilatata var. leucostachys John S. Palmer 1973-7-8 132 Trinity Bear Lakes Area, along trail to Big Bear Lake 1341 Comment
  HSC97779  Platanthera sparsiflora Juha Pykala, D. H. Norris 1987-7-6 2256 Trinity Shasta National Forest, Mt. Eddy, Upper Deadfall Lake 2439 Comment
  CAS-BOT-BC92142  Platystemon californicus G. R. Kleeberger 1880-5-30 s.n. Trinity Weaverville. Comment
  HSC16790  Platystemon californicus John L. Heywood, D. H. Norris 1968-3-30 1790 Trinity 8.94 mi. E of Humboldt County Line on Hwy. 299 Comment
  HSC65945  Plectritis macrocera Teri Bartkowski, Shane Feusier, Ruth Takaki, Carol Zimmerer 1980-5-3 64 Trinity Philpot Creek Campground. 808 Comment
  HSC21690  Plectritis macrocera John L. Heywood, D. H. Norris 1968-3-30 1796 Trinity Hwy. 299, 8.94 mi. E of Humboldt Co. line. Comment
  CAS-BOT-BC453490  Pleuricospora fimbriolata Harold E. Parks; Joseph P. Tracy 1947-6-27 11636 Trinity South Fork Mt., near the Racetrack 1402 Comment
  UC1224676  Pleuricospora fimbriolata G. Ledyard Stebbins 1964-6-14 6167 Trinity between Forest Glen and Mad River, on State Hwy 36 on northeast side of South Fork Mountain 914 Comment
  UCD117749  Pleuricospora fimbriolata G. Ledyard Stebbins Jr. 1964-6-14 6167 Trinity State Highway 36, between Forest Glen and Mad River. 914 Comment
  HSC73882  Poa bolanderi Gail Newton 1980-7-13 1416 Trinity Near Red Rock. 1509 Comment
  HSC40221  Poa bulbosa J. P. Smith 1976-5-20 8744 Trinity Eagle Creek Campground. 854 Comment
  HSC102668  Poa compressa J. P. Smith 2009-6-1 12626 Trinity At Leersia pond. Comment
  HSC41376  Poa pratensis J. O. Sawyer, J. P. Smith, Kevin Sawyer 1974-6-29 2661 Trinity Gipson Meadows, along trail to Granite Lake 1951 Comment
  RSA211410  Poa secunda William J. Ferlatte 1967-8-16 943 a Trinity east side of Packers Peak; Trinity Alps 1982 Comment
  RSA211412  Poa secunda William J. Ferlatte 1967-8-11 881 Trinity Grizzly Lake Basin. 0.5 mile N of Grizzly Lake. Trinity Alps. 2134 Comment
  JEPS129807  Poa secunda subsp. juncifolia John Rawlings, Heath Bartosh, Julie Nelson, Jepson Workshop 2017-7-14 2183 B Trinity NE corner of Yolla Bolly Middle Eel Wilderness, Shasta-Trinity National Forest. Comment
  HSC41107  Poa secunda subsp. secunda J. P. Smith 1973-4-7 5959 Trinity New River Trail from Grays Falls Campground, on the N side of the Trinity River and W side of the New River. 244 Comment
  HSC47628  Poa secunda subsp. secunda J. P. Smith, V. Rumble, E. Rumble 1977-4-30 9061 Trinity Shasta-Trinity National Forest, Blue Point on Blue Point Ridge on Dubakella Mtn. 1585 Comment
  HSC66149  Poa secunda subsp. secunda D. Boyd, M. Eichelberger, Tim Messick, T. Ranker 1980-5-3 51 Trinity Philpot Creek Campground. 808 Comment
  HSC73520  Poa secunda subsp. secunda Gail Newton 1980-7-13 1430 Trinity Near Red Rock. 1509 Comment
  UCD90472  Poa secunda subsp. secunda A. H. Murphy 1957-7-23 570 Trinity Klamath and Shasta National Forest. Deadfall Creek Shasta National Forest. SE of Mt. Eddy. 2011 Comment
  CHSC35687  Poa wheeleri Jacqueline Greenleaf 1980-5-22 81 Trinity Near Double Gate Ridge. 310 Comment
  RSA66481  Polemonium californicum P. A. Munz 1951-7-21 16782 Trinity Fisher Ridge, North Yolla Bolly Mountains 2043 Comment
  HSC90760  Polemonium eddyense Jennifer Whipple 1977-8-4 2148 Trinity Trinity/Siskiyou Cos., summit region of Mt. Eddy 2744 Comment
  HSC32227  Polemonium pulcherrimum J. O. Sawyer 1970-7-22 2340 Trinity Crest between Canyon Creek and Rattlesnake Creek drainages 2561 Comment
  HSC76559  Polygala californica Alerie Gizinski 1981-7-9 133 Trinity Near Round Valley Reservation 951 Comment
  UC55500  Polygonum bistortoides P. E. Goddard 1901-7-27 103 Trinity Trinity Summit Comment
  HSC17488  Polygonum californicum J. P. Tracy 1941-6-29 16957 Trinity Hettenshaw Valley 945 Comment
  CDA2801  Polygonum convolvulus T. C. Fuller 1964-6-23 12234 Trinity Road to Douglas City, 1.7 miles east of Hayfork. 0 Comment
  JEPS121439  Polygonum douglasii Julie Kierstead Nelson, Susan Erwin, Martin Lenz 2009-8-26 2009 -0011 Trinity In Upper Hayfork Creek watershed, ca. 200 m east of Forest Road 30; 3 miles south of Highway 36. Comment
  CHSC30269  Polygonum douglasii subsp. spergulariiforme M. S. Taylor 1980-8-26 3303 Trinity Along Swift Creek trail, just past Bear Creek trail jct, ca. 8 mi w of Trinity Center. 1524 Comment
  UC302992  Polygonum hydropiper Joseph P. Tracy 1926-9-6 7792 Trinity Sharber Slough Northern Coast Ranges, Trinity River (on river 3 mi e of the South Fork) 182 Comment
  CAS-BOT-BC418537  Polygonum minimum P. A. Munz 1951-7-20 16734 Trinity Near Black Rock Lake, North Yolla Bolly Mts. 1981 Comment
  HSC40886  Polygonum polygaloides subsp. kelloggii Thomas W. Nelson, Jane P. Nelson 1976-6-22 2867 Trinity Trinity-Humboldt County line, in spring along road to Goat Hill 1646 Comment
  CAS-BOT-BC419702  Polygonum sawatchense subsp. sawatchense John Thomas Howell 1936-8-24 12722 Trinity Summit of Scott Mts. n. of Carrville Comment
  SEINET3404072 Image available Polygonum spergulariiforme S. K. Harris, Carl Ludwig, J. P. Tracy 1939-9-4 942 Trinity Van Duzen River, 3 mi below Hettenshaw Valley 900 Comment
  CAS-BOT-BC227249  Polypogon monspeliensis Eugene Carter 1974-8-30 881 Trinity Salmon-Trinity Alps and vicinity. Along the North Fork Road near the Rich Gulch Road 495 Comment
  HSC79179  Polystichum californicum C. J. Thomas 1984-9-22 111 Trinity 5 mi. E of Humboldt-Trinity Co. line on Hwy. 299 274 Comment
  HSC71699  Polystichum imbricans Gail Newton 1980-6-26 612 Trinity Near Underwood Creek. 451 Comment
  UCD39994  Polystichum imbricans subsp. curtum Rodney Gale Myatt 1971-9-21 1214 Trinity About 1 mi. west of the town of Willow Creek. 426 Comment
  SFV5109  Polystichum imbricans subsp. imbricans B. C. Templeton 1957-6-22 s. n. Trinity Near the summit of Scott Mountain. Comment
  CAS-BOT-BC76744  Polystichum imbricans subsp. imbricans L. B. Kildale 1930-9-14 10380 Trinity Trinity River at Big Frank Creek Comment
  UCD162497  Polystichum imbricans subsp. imbricans L. P. Janeway; B. Castro 1996-7-7 5039 Trinity Klamath Ranges, 1.7 miles north-northwest of Trinity Mountain, along Van Ness Creek Road 2.4 miles northwest of County-Line Road. 870 Comment
  SEINET4064021  Polystichum munitum Cooke, D. J. Pinkava; D. Keil; W. A. Weber 1969-1 2210 Trinity Along Stetson's creek at Route 299, 4 miles east of Burnt Ranch. Comment
  CAS-BOT-BC72493  Polystichum scopulinum P. A. Munz 1951-7-18 16686 Trinity N. slope of N. Yolla Bolly Peak, North Yolla Bolly Mts., line of Tehama Co.-Trinity County 1981 Comment
  UCD69875  Polystichum scopulinum D. Sanchez-Mata 1998-6-9 Trinity Wildwood-Forest Glenn. 1350 Comment
  UC469478  Populus fremontii subsp. fremontii Joseph P. Tracy 1931-11-14 9760 Trinity near Big Bar; Northern Coast Ranges, near Big Bar 426 Comment
  RSA1412  Populus tremuloides E. R. Johnson 1930-10-13 1579 Trinity 1/4 mile below Canyon Creek Lakes. 1829 Comment
  HSC90590  Potentilla cristae Jennifer Whipple 1976-6-24 1118 Trinity Trinity and Siskiyou counties, summit region of Mt. Eddy 2744 Comment
  CDA10808  Potentilla fruticosa G. F. Hrusa 1993-7-24 11378 Trinity Trinity Mountains; Flats at head of Scorpion Creek in vicinity of pool from which creek emanates. Ridge to N of Bonanaza King Lookout. 1584 Comment
  HSC90537  Potentilla gracilis var. fastigiata Jennifer Whipple 1976-8-4 1616 Trinity N of Lower Deadfall and Deadfall Lakes along creek draining the Upper Deadfall Lakes 2165 Comment
  CDA33624  Potentilla recta Lockhart 2010-8-26 PDR# 1475723 Trinity Mad River; Miller Spring Rd. near South Fork Mountain Rd. 0 Comment
  HSC54388  Prosartes hookeri G. L. Clifton 1979-7-17 7986 Trinity Near Bailey Canyon Campground, close to town of Mad River 853 Comment
  HSC46709  Prosartes hookeri J. M. DiTomaso 1976-6-29 532 Trinity Trinity Alps, Stuarts Fork Trail below Emerald Lake 1524 Comment
  RSA49923  Prunella vulgaris subsp. lanceolata E. K. Balls 1949-7-6 13858 Trinity Trinity River, 1 mile beyond Eagle Creek, north of Trinity Center. 793 Comment
  HSC42440  Prunus emarginata Barbara Kelly 1977-5-7 415 Trinity Blue Point on Blue Point Ridge 1573 Comment
  HSC55433  Prunus emarginata G. L. Clifton 1979-7-16 7920 Trinity Near S Fork Mtn., close to the town of Mad River 1720 Comment
  RSA21678  Prunus emarginata Carl B. Wolf 1937-8-12 9162 Trinity North Coast Range, South Fork Mountain, 8.3 miles south of Cold Spring Lookout. 1372 Comment
  UC1128326  Prunus emarginata H. A. Jensen 1931-9-1 226 Trinity Grizzly Mountain, Trinity National Forest Grizzly Mountain; Trinity National Forest, Grizzly Mountain 1615 Comment
  CAS-BOT-BC163068  Prunus emarginata Ella Dales Cantelow 1939-6-8 4307 Trinity South Fork Mts., Black Lookout Road, 7.2 mi. from jct. Alton - Redbluff Hy. Comment
  HSC40351  Prunus subcordata Linda M. Barker, Raul Tuazon 1976-5-1 1444 Trinity Hills above Philpot National Forest Service Campground 915 Comment
  UCD113523  Prunus virginiana var. demissa Joseph M. DiTomaso 1975-6-30 75 Trinity Morris Meadows on Stuarts Fork Trail. Comment
  SBBG27537  Pseudognaphalium thermale H. E. Parks, J. P. Tracy 1941-8-27 11531 Trinity near McKay Camp, South Fork Mtn Comment
  HSC44099  Pseudognaphalium thermale Thomas W. Nelson, Jane P. Nelson 1977-8-6 3695 Trinity At Goat Spring 1585 Comment
  CHSC116254  Pseudoroegneria spicata Peter F. Zika; Barbara L. Wilson 2011-7-31 25679 Trinity Route 3, 0.9 road miles southeast of Scott Summit, 2 air miles south-southwest of summit of Scott Mountain. Klamath Range (KR) 1560 Comment
  UCD98431  Pseudostellaria jamesiana Joseph M. DiTomaso 1975-6-25 64 Trinity along side of Parker Meadows at bank of Swift Creek; Parker Meadows on Swift Creek Trail. Comment
  CAS-BOT-BC80188  Pseudotsuga menziesii Doris K. Kildale 1928-4-30 4607 Trinity Trinity Center Comment
  HSC54437  Pseudotsuga menziesii var. menziesii G. L. Clifton, Muth 1979-7-18 8767 Trinity Near Mad River Campground, close to the town of Mad River. 761 Comment
  HSC74122  Pseudotsuga menziesii var. menziesii M. A. Baker 1980-5-25 1605 Trinity Near Browns Canyon. 823 Comment
  RSA66905  Pterospora andromedea P. A. Munz 1951-7-17 16576 Trinity Grasshopper Public Camp, 2.5 mi NW of Stuart Gap, North Yolla Bolly Mtns. 1372 Comment
  HSC63666  Pycnanthemum californicum D. W. Taylor, Kathleen A. Teare 1979-9-13 7706 Trinity Smoky Creek headwaters ( 8 mi. SE of Forest Glen) 1159 Comment
  HSC95884  Pycnanthemum californicum Vernon H. Oswald, L. Ahart 1997-7-17 8754 Trinity Forest Route 29 at the W Fork of Smokey Creek, 8.7 mi. S of Hwy. 36 1213 Comment
  JEPS19285  Pycnanthemum californicum Joseph P. Tracy 1926-7-4 7707 Trinity vicinity Salyer (Koon Ranch); Northern Coast Ranges, vicinity of Salyer 457 Comment
  CHSC1412  Pyrola dentata V. Holt 1942-8-2 Trinity Summit Lake, Trinity Alps. 2456 Comment
  HSC46733  Pyrola dentata William J. Ferlatte 1976-7-10 1823 Trinity Swift Creek Trail, 0.5 mi. below junction with Granite Lake Trail. 1220 Comment
  UCR45426  Pyrola picta Michelle A. Strull 1985-7-3 045 Trinity North Coast Ranges, forested area between Love Letter Springs Road and Forest Service Road 33N52Y 1845 Comment
  UC412732  Pyrola picta Mrs. M. H. Manning Aug 1899 Trinity at Trinity Summit Comment
  SEINET10449206  Pyrola picta subsp. dentata Mary Susan Taylor 1980-7-1 Taylor 3026 Trinity T36N R8W center sec 21, Trinity Dam quad. Shasta-Trinity Natl Forest; on ridge both sides of Swift Creek Rd (36N25), at loop, ca. 0.2 mi S of its jct with 36N24, ca. 2.9 mi due SW of Trinity Center. 1097 Comment
  SEINET10907234  Pyrola picta subsp. dentata Mary Susan Taylor 1980-7-16 Taylor 3141 Trinity Shasta-Trinity Natl Forest, Bear Creek trail, E of Canyon Creek trail, ca. 12 mi N of Junction City on Hwy 299. 914 Comment
  SEINET10449181  Pyrola secunda Mary Susan Taylor 1980-8-26 Taylor 3315 Trinity T36N R9W center sec 7, Trinity Dam quad. Shasta-Trinity Natl Forest, Swift Creek trail, between Steer Creek and Twin Lakes, dry open areas, ca. 8 mi W of Trinity Center. 1463 Comment
  CAS-BOT-BC328172  Pyrrocoma racemosa var. pinetorum J. T. Howell 1936-8-24 1546 Trinity Summit of Scott Mountain 1630 Comment
  HSC100018  Pyrus communis J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-6-13 12922 Trinity Along Prospector Court, W of Coffee Creek Road. 912 Comment
  UC183744  Quercus X morehus Joseph P. Tracy 1913-6-24 4303 Trinity 6 mi above Ruth; Northern Coast Ranges, Mad River Valley 914 Comment
  CAS-BOT-BC68520  Quercus chrysolepis L. B. Kildale 1930-9-14 10374 Trinity Trinity River at Big French Creek Comment
  HSC32865  Quercus chrysolepis Thomas W. Nelson, James Nelson 1973-5-20 916 Trinity N of Black Lassic 1524 Comment
  HSC68588  Quercus chrysolepis Jacqueline Greenleaf 1980-7-15 234 Trinity Near Van Duzen River. 1067 Comment
  HSC78838  Quercus chrysolepis John S. Palmer 1973-9-7 206 Trinity Bear Lakes area along trail to Big Bear Lake 1220 Comment
  RSA476554  Quercus chrysolepis Christopher Davidson 1975-6-6 2709 Trinity 11.5 miles N of Weaverville on Hwy. 3. Beside the road on a very steep bank above Rush Cr. 762 Comment
  HSC68252  Quercus douglasii J. P. Smith 1973-5-6 6638 Trinity Blanchert Flats near Douglas City Comment
  UCR39814  Quercus durata Jones 1985-5-11 s.n. Trinity Philpot Campground, 1.5 mi SW of Peanut 793 Comment
  CAS-BOT-BC94267  Quercus garryana T. Worley; M. Mill; F. Rosenthal 1985-4-19 7 Trinity Shasta - Trinity National Forest, Steelbridge Campground 536 Comment
  CDA21916  Quercus garryana G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2740 Trinity One-eye Flat south of Trinity River bridge, 0.4 mile north of Coffee Creek Road, west side of Hwy 3, north of Trinity Center. Comment
  HSC54425  Quercus garryana Walter Overton 1979-7-18 8713 Trinity Near Horse Ridge, close to the town of Mad River 1219 Comment
  RSA624384  Quercus garryana Louis C. Wheeler 1952-9-12 6922 Trinity Hale Creek. Comment
  SEINET3136018  Quercus garryana R. W. Spellenberg 1987-7-16 9200 Trinity Ca 3 mi SE of Burnt Ranch and 1 mi SW of Hwy. 299 on Spellenberg property Comment
  RSA604382  Quercus garryana Louis C. Wheeler 1959-7-28 7613 Trinity 4 miles SW Hayfork: Serpentine Ridge Claim. Comment
  CAS-BOT-BC105491  Quercus kelloggii L. B. Kildale 1930-9-14 10397 Trinity Trinity River at Big French Camp Comment
  CAS-BOT-BC105493  Quercus kelloggii T. Worley; M. Mill; F. Rosenthal 1985-4-19 4 Trinity Shasta-Trinity National Forest, Steelbridge Campground, 5 mi N of Hwy. 299 536 Comment
  HSC35641  Quercus kelloggii A. M. Montalvo 1975-5-18 265 Trinity Hwy. 3, 8 mi NE of Hayfork at Hayfork Summit Comment
  HSC54355  Quercus kelloggii G. L. Clifton 1979-7-16 7870 Trinity Near S Fork Mtn., close to the town of Mad River 1646 Comment
  HSC72582  Quercus kelloggii Gail Newton 1980-7-1 759 Trinity Near Hayden Roughs. 1250 Comment
  LA205303  Quercus kelloggii Carl Epling; September 1923 sn Trinity Comment
  UC54689  Quercus sadleriana Joseph Burtt Davy and Walter C. Blasdale 5757 Trinity Trinity Summit Trail North Coast Ranges 1524 Comment
  LA205376  Quercus vacciniifolia C. L. Hitchcock; J. S. Martin 1939-7-11 5368 Trinity E shore of Upper Canyon Creek Lake, 11 mi. N of Dedrick 1981 Comment
  UC1135792  Quercus vacciniifolia H. A. Jensen 1932-8-12 253 Trinity Head of Bear Creek Trinity Forest, Big Bar Quad. 1981 Comment
  UC405382  Quercus vacciniifolia H. M. Hall Jul 1909 8560 Trinity Union Creek Salmon Mountains 1249 Comment
  UCD47462  Quercus vacciniifolia H. A. Jensen 1932-8-12 253 Trinity head of Bess Creek. 1981 Comment
  CAS-BOT-BC134876  Quercus wislizeni T. Morley; M. Mill; F. Rosenthal 1985-5-11 63 Trinity Hwy 3, 8 miles S of Douglas City 842 Comment
  UC302192  Rafinesquia californica Joseph P. Tracy 1926-5-31 7533 Trinity Junction City Northern Coast Ranges 457 Comment
  HSC64976  Raillardella pringlei D. L. Goforth 1979-7-21 281 Trinity Trinity Alps Wild Area; Upper Union Creek 1921 Comment
  HSC30237  Raillardella pringlei William J. Ferlatte 1973-7-28 1472 Trinity Landers Lake Basin 2043 Comment
  HSC46861  Raillardella pringlei William J. Ferlatte 1976-7-9 1812 Trinity Landers Creek, above Sunrise Creek 1951 Comment
Read comments
Jun 11 2012
  HSC71208  Ranunculus arvensis Thomas W. Nelson, Jane P. Nelson 1979-5-19 4681 Trinity Along Hwy. 3, about 1/2 mi. S of Hayfork 701 Comment
  HSC64269  Ranunculus occidentalis J. O. Sawyer, R. J. Cole 1978-4-22 3075 Trinity Along Big French Creek Rd. [5N13] 12 mi. towards Ironside Mtn. lookout 1463 Comment
  HSC24134  Ranunculus occidentalis var. occidentalis J. O. Sawyer 1970-4-19 2533 Trinity 0.5 mi. N of Denny Campground, above New River 427 Comment
  HSC70104  Ranunculus occidentalis var. occidentalis Thomas W. Nelson, Jane P. Nelson 1978-6-22 4279 Trinity Along Dubakella Rd., 2.3 mi. from junction with Hwy. 36, intersection of FS 29N31 and FS 29N55 1402 Comment
  UC275262  Ranunculus orthorhynchus var. orthorhynchus Joseph P. Tracy 1924-4-27 6658 Trinity halfway between Salyer and Hawkins Bar; Northern Coast Ranges, Swanson's 243 Comment
  HSC92640  Ranunculus populago Jennifer Whipple 1977-8-3 2084 Trinity N of Lower Deadfall and Deadfall Lakes along the creek draining the upper Deadfall Lakes. 2165 Comment
  JEPS48697  Rhamnus californica Hilda W. Grinnell 1932-7-15 25 Trinity junction Norgaar Ranch road with South Fork Mt. Road 1524 Comment
  RSA50038  Rhamnus californica E. K. Balls 1949-7-1 137330 Trinity Above Canyon Creek Meadow 1402 Comment
  SEINET10493585  Rhamnus californica subsp. crassifolia Mary Susan Taylor 1980-6-16 Taylor 2891 Trinity T29N R11W south central sec 15. Dubakel la Mt quad. On W side of Hwy 30 on slope, ca. 2.3 mi S of its jct with Hwy 36, ca. 2 mi S of Wildwood; on serpen tine, pine-duff covered; Shasta-Trinity National Forest. 1158 Comment
  SEINET10493586  Rhamnus californica subsp. crassifolia Mary Susan Taylor 1975-4-12 Taylor 461 Trinity Underwood Mountain Rd, 1 mi S of Hwy 299, between Burnt Ranch and Big Bar. Associates: Pinus sp., Rhus diversiloba. Comment
  RSA1096  Rhamnus californica subsp. occidentalis E. R. Johnson 1927-8-27 1169 Trinity Lowden's Ranch, 4 miles SW of Lewiston. 538 Comment
  CAS-BOT-BC56119  Rhamnus ilicifolia J. D. Coffman 1911-10-1 62 Trinity Trinity Forest 609 Comment
  JEPS94998  Rhamnus purshiana Vernon Oswald and Lowell Ahart 1997-7-17 8759 Trinity 1.1 mi s of the West Fork Smokey Creek (9.8 mi s of Hwy 36, Forest Route 29 at a tributary of Smoky Creek); Forest Route 29 1165 Comment
  RSA256741  Rhamnus tomentella subsp. crassifolia D. E. Anderson 1972-6-13 5554 Trinity Black Lassic. 1738 Comment
  RSA390034  Rhamnus tomentella subsp. crassifolia Thomas W. Nelson, Jane P. Nelson 1978-7-21 4428 Trinity Along State Route, 36.3 miles from jct with Mad River-Wildwood Road. Comment
  UC60924  Rhododendron macrophyllum unknown Trinity Trinity Summit Comment
  CHSC63335  Rhododendron neoglandulosum Vernon H. Oswald; Lowell Ahart 1994-7-11 6386 Trinity Forest Rd. 26 (to Mt. Shasta), 5.7 mi N of Castle Creek rd. (Forest Rd. 25), W of Dunsmuir. 1798 Comment
  RSA547  Rhododendron occidentale var. paludosum E. R. Johnson, J. T. Howell 1928-8-27 1158 Trinity Lowden's Ranch., 4 mi. SW of Lewiston. 538 Comment
  RSA787921  Rhododendron occidentale var. paludosum G. Fred Hrusa, T. D. Wilfred 1992-6-1 9570 Trinity Scorpion Creek off Bonanza King Road, approx. 3 km SE of Hwy 3, E of Trinity Campground. 817 Comment
  HSC49152  Rhus ovata J. O. Sawyer, J. P. Smith 1979-4-28 3357 Trinity Along Hwy. 299, 2 mi. E of Junction City, W of Slattery Pond Comment
  UC298878  Rhus trilobata Joseph P. Tracy 1926-7-4 7713 Trinity along South Fork Trinity River (opposite stairs); Northern Coast Ranges 304 Comment
  CAS-BOT-BC111909  Rhynchospora capitellata John Thomas Howell 1936-8-27 12845 Trinity Near Trinity Center Comment
  HSC100029  Ribes binominatum J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-6-13 12940 Trinity Along road to summit of Hayfork Bally. 1801 Comment
  HSC32684  Ribes binominatum Thomas W. Nelson 1973-5-30 1010 Trinity Red Lassic area 1799 Comment
  HSC65001  Ribes binominatum D. L. Goforth 1979-7-22 326 Trinity Trinity Alps Wild Area, Upper Union Creek 1829 Comment
  HSC23049  Ribes inerme D. E. Anderson, J. P. Smith 1970-4-16 5040 Trinity Cold Springs Campground, along Hwy. 3, 3 mi. E of Peanut Comment
  HSC65936  Ribes inerme var. klamathense C. Macdonald, P. Powers, C. Raley, J. Spitler, D. Stamp 1980-5-3 71 Trinity Philpot Creek Campground 808 Comment
  CAS-BOT-BC168888  Ribes lobbii R. C. Foster 1937-5-22 276 Trinity About 30 miles east of Arcata on highway into Trinity Co. Comment
  HSC103137  Ribes lobbii M. Mesler 2010-6-13 822 Trinity Grove's Prairie, off FS rd 7N04 1280 Comment
  HSC103139  Ribes lobbii M. Mesler 2010-6-13 824 Trinity Near Onion Camp, along FS rd 7N26 1503 Comment
  HSC72017  Ribes lobbii J. P. Smith, J. O. Sawyer, Thomas W. Nelson 1978-4-8 9586 Trinity Hwy. 36, 1 mi. from Hayfork Creek 1067 Comment
  JEPS120219  Ribes lobbii Julie Kierstead Nelson 2008-8-30 2008 -009 Trinity Hayfork Divide, south of Trinity River, west of Hwy. 3 Comment
  UC922298  Ribes lobbii Annie M. Alexander and Louise Kellogg 1949-7-4 5773 Trinity saddle between North Yolla Bolly and Black Rock Mountains; Yolla Bolly Middle Eel Primitive Area 2103 Comment
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Jun 9 2007
  UC56311  Ribes marshallii Joseph Burtt Davy Jun 21 1899-Jun 23 1899 5837 Trinity Trinity Summit Comment
  HSC92862  Ribes montigenum Jennifer Whipple 1977-9-9 2262 Trinity N of Lower Deadfall and Deadfall Lakes along the creek draining the upper Deadfall Lakes 2165 Comment
  JEPS128105  Ribes montigenum Julie Kierstead Nelson with Heath Bartosh, Jepson Yolla Bolly Workshop 2017-7-14 2017 -031 Trinity Yolla Bolly Wilderness; Black Rock Lake. Comment
  CAS-BOT-BC217886  Ribes nevadense Alice Eastwood 1921-7-22 10698 Trinity Forest Glen Comment
  JEPS75964  Ribes nevadense William J. Ferlatte 1974-8-17 1674 Trinity Long Canyon Trinity Alps 1767 Comment
  HSC69793  Ribes roezlii Thomas W. Nelson, Jane P. Nelson 1978-3-25 3831 Trinity Terrace above Canyon Creek at Lower Canyon Creek Meadow 915 Comment
  JEPS106463  Ribes roezlii J. K. Nelson with Bill Brock, John Heibel, Al Olson, Darrel Ranken 2004-6-22 2004 -49 Trinity Wildwood Store, intersection of Hwy 36 and County Road 302, ca. 50 mi W of Red Bluff 359 Comment
  UC922609  Ribes roezlii Annie M. Alexander and Louise Kellogg 1948-8-10 5476 Trinity Canyon Creek (tributary of Trinity River) Trinity Mountains 1676 Comment
  CAS-BOT-BC198876  Ribes roezlii var. amictum Lower Trinity School 1924-4-24 s.n. Trinity Salyer Comment
  HSC103220  Ribes roezlii var. cruentum Jade Paget-Seekins 2010-5-2 13 Trinity Off 299 between Big Bar and Burnt Ranch. Up Forest Route 4 approx. 8 miles. At the turnoff towards Ironside Mountain. 1057 Comment
  CAS-BOT-BC144482  Ribes sanguineum var. sanguineum Eugene Carter 1974-5-27 752 Trinity Salmon-Trinity Alps and vicinity. Along the Grizzly Creek Trail at the crossing 1072 Comment
  HSC35824  Ribes viscosissimum Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-14 1910 Trinity E side of Red Lassic Comment
  HSC55419  Ribes viscosissimum G. L. Clifton 1979-7-16 7833 Trinity Near Pickett Peak, close to the town of Mad River 1695 Comment
  HSC35743  Rigiopappus leptocladus Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-20 1979 Trinity Near S end of road out Swayback Ridge Comment
  CAS-BOT-BC341008  Robinia pseudoacacia L. B. Kildale 1930-10-19 10307 Trinity Trinity River at Big Bar Comment
  HSC13755  Romanzoffia californica A. Sylvester, D. Sutherland, R. Spellenberg 1966-3-27 1375 Trinity 1/4 mi. downstream from the mouth of New River along the Trinity River, near Brunt Ranch Comment
  HSC26769  Romanzoffia californica J. P. Smith, J. O. Sawyer 1973-3-11 5867 Trinity Trail along the Trinity River and New River beginning at Grays Falls. Comment
  HSC36029  Rorippa curvisiliqua J. P. Smith, J. O. Sawyer 1973-7-4 7045 Trinity Trail 11W26 from Rd. 80, between Dubakella and S Dubakella Mtn. 1524 Comment
  CAS-BOT-BC146790  Rosa gymnocarpa Eugene Carter 1971-6-18 239 Trinity Along Hobo Gulch Road at China Springs. North Fork Trinity River, Hobo Gulch Camp and vicinity (18 mi. NW of Weaverville) 1136 Comment
  HSC24663  Rosa gymnocarpa W. R. Oxner 1966-5-16 31 Trinity 11 mi. North Hayfork, Hayfork Mtn. 915 Comment
  HSC34166  Rosa gymnocarpa J. P. Smith, J. O. Sawyer 1973-7-4 7089 Trinity Trail 11W26 from Rd. 80 between Dubakella and S Dubakella Mtn. 1524 Comment
  HSC51119  Rosa gymnocarpa G. L. Clifton, Overton 1979-6-3 3718 Trinity Near Shanty Creek, close to the town of Forest Glen. 1219 Comment
  RSA67478  Rosa gymnocarpa Philip A. Munz 1951-7-18 16687 Trinity N slope of N Yolla Bolly Peak in N Yolla Bolly Mtns. Line of Tehama Co-Trinity Co. 1982 Comment
  UC1128561  Rosa gymnocarpa J. E. Sowder 1932-10-17 18 Trinity Bob's Farm Trinity <National> Forest, Big Bar Quadrangle, Rattlesnake C 1584 Comment
  HSC78235  Rosa pisocarpa John S. Palmer 1975-7-27 429 Trinity Bear Lakes Area, along trail to Big Bear Lake. 1524 Comment
  HSC90550  Rosa pisocarpa Jennifer Whipple 1977-8-3 2072 Trinity Along trail to Deadfall Lakes in the Deadfall drainage 2043 Comment
  UC467814  Rosa pisocarpa H. M. Hall July, 1909 8557 Trinity at Union Cr. fork Salmon Mountains, Coffee Creek 1249 Comment
  UC704285  Rosa pisocarpa Frank A. Pitelka 1943-6-23 246 Trinity 2 mi w Hayfork 731 Comment
  UCD113893  Rosa pisocarpa Joseph M. DiTomaso 1976-6-24 495 Trinity Trinity Alps. Granite Lake Trail. 1341 Comment
  UC2046525  Rosa pisocarpa subsp. ahartii William J. Ferlatte 1976-7-8 1783 Trinity Swift Creek Trail, 0.25 mi. east of Fosters Cabin Comment
  UC2046548  Rosa pisocarpa subsp. ahartii William J. Ferlatte 1974-8-17 1675 Trinity Long Canyon, near Trail; dry, rocky stream bed Comment
  CAS-BOT-BC147326  Rubus parviflorus John Thomas Howell 1939-7-31 14855 Trinity Summit of Scott Mts. n. of Carrville Comment
  HSC55496  Rubus parviflorus G. L. Clifton, Butler 1979-7-18 8413 Trinity Near Jones Ridge, close to the town of Alderpoint 1158 Comment
  JEPS44772  Rubus parviflorus F. P. Cronemiller 1923-7-12 699 Trinity Balm of Gilead Creek flowing w into Middle Fork Eel River (Mendocino National Forest); , flowing into Middle Fork Eel Rive Comment
  CAS-BOT-BC157186  Rubus ursinus John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-20 53505 Trinity One-eye Flat, about 1.7 miles north of Carrville, Trinity River Canyon 755 Comment
  CAS-BOT-BC363198  Rudbeckia hirta Mrs. E. C. Van Dyke 1931-6-30 s.n. Trinity Carville [Carrville] Comment
  SEINET5710587  Rudbeckia klamathensis Lowell E. Urbatsch, Patricia B. Cox; Alan W. Lievens 1988-1 6144 .5 Trinity In a seep near Dan Rice Creek. Along California 3 near its intersection with USFS Road 39 No4. 51.4 road miles north of the junction of CA 3 and CA 299, south of Callahan.; Callahan Comment
  HSC55485  Rumex acetosella Gilbert Muth 1979-7-17 8313 Trinity Near Barry Creek, close to the town of Mad River 876 Comment
  CAS-BOT-BC416375  Rumex californicus John Thomas Howell 1955-7-16 30671 Trinity Weaver Creek, 1.5 miles north of Douglas City 579 Comment
  CHSC55255  Rumex crispus L. P. Janeway 1987-6-29 2373 Trinity Old floodplain of Trinity River near mouth of Grass Valley Cr; 'Lowden Ranch'. Flat mdw-wetland area on N side of Lewiston Rd 1.8 mi from hwy 299. 533 Comment
  CAS-BOT-BC183871  Rumex salicifolius Eugene Carter 1975-7-26 1043 Trinity North Fork Trinity River. Near Helena 426 Comment
  CAS-BOT-BC132683  Salix A. T. Whittemore 1979-5-13 79 -087 Trinity Near the Joss House, Weaverville Comment
  CAS-BOT-BC103372  Salix bonplandiana Eugene Carter 1976-5-1 1115 Trinity North Fork Trinity River and vicinity. Pigeon Point Campground on the Trinity River 426 Comment
  HSC75543  Salix eastwoodiae J. O. Sawyer 1980-8-8 4019 Trinity Junction of Deer Creek and Granite Lake trails 1921 Comment
  UC470450  Salix exigua Joseph P. Tracy 1931-11-14 9757 Trinity Junction City; Northern Coast Ranges 426 Comment
  UC1608342  Salix exigua var. hindsiana J. Kierstead June 1990 90 -81 Trinity w end Weaverville (along Hwy. 299); Weaverville Ranger Dist. 560 Comment
  HSC81614  Salix lasiandra Thomas W. Nelson, Jane Nelson 1980-5-8 5211 Trinity Junction of FS Rd. 2N07 and 2N10 along Indian Valley Creek Comment
  UCD111549  Salix lasiandra var. lasiandra Joseph M. DiTomaso 1975-8-20 270 Trinity East end of Emerald Lake. 1676 Comment
  UC506377  Salix lasiolepis Joseph P. Tracy 1932-6-17 10240 Trinity along river near Ruth; Northern Coast Ranges, Mad River 792 Comment
  CHSC53636  Salix lucida subsp. lasiandra L. P. Janeway; Frances Biles 1988-6-21 2845 Trinity Near Grass Valley Cr ca 1/2 mi from its mouth at the Trinity River. 533 Comment
  HSC103102  Salix orestera R. W. Tate, J. Rainbow 2014-6-26 1488 Trinity Yolla Bolly - Middle Eel Wilderness; campsite called 'TWin Spring', 'Utah's Pasture', 'Shangrila'. 2180 Comment
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Feb 26 2016
  UC1135101  Salix scouleriana J. E. Sowder 1932-10-17 16 Trinity N. Fork Rattlesnake Creek Trinity Forest, Big Bar Quad., N. Fork Rattlesnake Creek 1097 Comment
  RSA434063  Salvia sonomensis M. A. Baker 1977-5-21 308 Trinity Eagle Creek Campground 851 Comment
  CAS-BOT-BC245892  Sambucus nigra subsp. caerulea Eugene Carter 1971-7-8 275 Trinity Along Backbone Cr. Tr. 2 mi. east of Keystone Flat, Hobo Gulch Camp and vicinity, 18 mi. NW of Weaverville, North Fork Trinity River 1036 Comment
  UCD137269  Sambucus racemosa var. racemosa Joseph M. DiTomaso 1975-6-17 13 Trinity Trinity Alps. 0.5 mile below Portuguese Camp on Stuarts Fork Trail. 1463 Comment
  UC709453  Sanguisorba annua Joseph P. Tracy 1941-6-29 16956 Trinity Hettenshaw Valley 944 Comment
  HSC82096  Sanicula bipinnatifida Thomas W. Nelson, Jane P. Nelson 1980-5-25 5292 Trinity Along trail from Blue Jay Mine-Little Red Mtn. Creek 1189 Comment
  HSC65893  Sanicula tracyi Gail Newton 1980-7-13 1370 Trinity Near Red Rock. 1509 Comment
  HSC68626  Sanicula tracyi Jacqueline Greenleaf 1980-7-15 227 Trinity Near Van Duzen River. 1067 Comment
  UC1022559  Sanicula tracyi C. Ritchie Bell 1951-4-26 1090 Trinity about 6 mi se of Cobbs (on road to Ruth, near the Van Duzen River) Comment
  CAS-BOT-BC183595  Sanicula tuberosa Eugene Carter 1975-6-18 966 Trinity North Fork Trinity River. Along trail south of Raymond Flat 731 Comment
  HSC75377  Sanicula tuberosa J. O. Sawyer, K. A. Sawyer 1980-6-18 3444 Trinity Yolla Bolly Wilderness, Cedar Basin 2134 Comment
  UC666816  Saxifraga oregana Joseph P. Tracy 1935-7-24 14212 Trinity east of Ranger Station; Trinity Summit 1889 Comment
  RSA211108  Saxifraga tolmiei William J. Ferlatte 1967-8-11 916 Trinity Below the ice fields on the north side of Thompson Peak. 2378 Comment
  UC922600  Saxifragopsis fragarioides Annie M. Alexander and Louise Kellogg 1948-8-7 5434 Trinity Trinity Mountains, Canyon Creek (tributary of Trinity River) Canyon Creek; Trinity Mountains, Canyon Creek 1676 Comment
  UC2062586  Sceptridium multifidum Belinda Lo 2017-7-23 347 Trinity TRINITY COUNTY: Shasta-Trinity Forest, northeast of Lake Eleanor, near road 36N24G. Comment
  SEINET200829 Image available Schedonorus pratensis Joseph P. Tracy 1923-1 6409 Trinity Burnt Ranch 579 Comment
  SEINET3887774 Image available Schoenolirion album D. W. McNeal 1977-6-7 2050 Trinity Along a wash beside the rd. to Eagle Creek Campground 0.3 mi. W. of Hwy. #3 N. of Coffee Creek and 0.1 mi. from the Trinity River bridge, Shasta Nat. For.; 0 Comment
  CAS-BOT-BC111123  Scirpus microcarpus John Thomas Howell 1936-8-23 12695 Trinity Near Trinity Center Comment
  UC184369  Scirpus microcarpus Harry S. Yates 1914-6-14 435 Trinity Rush Creek Anderlines 609 Comment
  CAS-BOT-BC110880  Scirpus microcarpus Fred. P. Cronemiller 1923-7-17 750 Trinity N. Slope of Soloman Peak 1767 Comment
  CAS-BOT-BC111126  Scirpus microcarpus Mrs. H. C. Cantelow 1936-8-26 1614 Trinity Near Tangle Blue Creek. Comment
  SEINET7592504 Image available Scirpus microcarpus John Thomas Howell 1936-1 12768 Trinity Scott Mts. Comment
  HSC49274  Scleranthus annuus J. P. Smith, J. O. Sawyer, Thomas W. Nelson 1978-5-7 9895 Trinity Blanchard Flat Rd. to Reese Bros. Coal Mine 610 Comment
  HSC73754  Scutellaria antirrhinoides Gail Newton 1980-7-10 1260 Trinity Near Senteney Rock 1463 Comment
  HSC82077  Scutellaria antirrhinoides Thomas W. Nelson, Jane P. Nelson 1980-6-17 5490 Trinity Along Old State Route 3, 1 mi. from junction with State Route 3; opposite entrance to Philpot Campground 762 Comment
  RSA211227  Scutellaria antirrhinoides William J. Ferlatte 1967-8-17 959 Trinity Flat bench on ridge west of the head of Bullards Basin. 2043 Comment
  RSA41910  Scutellaria antirrhinoides H. C. Cantelow 1936-8-23 1643 Trinity Near Scott Ranch, Trinity River. Comment
  SEINET10836978  Scutellaria antirrhinoides Mary Susan Taylor 1980-6-30 Taylor 3013 Trinity Shasta-Trinity Natl Forest; ca. 4 mi S of Trinity Center on Hwy 3, W on dirt rd, ca.. 0.3 mi, at creek. 1036 Comment
  UCD125669  Scutellaria antirrhinoides Joseph M. DiTomaso 1975-7-23 191 Trinity Trinity Alps, Battle canyon Trail 1 mile above Sugar Pine Creek Trail. 2072 Comment
  SD147964  Scutellaria siphocampyloides Richard Olmstead 1985-5-17 677 Trinity 1.0 mile north of Junction City. 438 Comment
  CHSC31314  Scutellaria tuberosa Mark Stopher 1980-5-6 50 Trinity Hillside above Rte. 299 ca. 1 mi e of Cedar Flat. 350 Comment
  HSC35123  Scutellaria tuberosa A. M. Montalvo 1975-5-17 259 Trinity Mt. Diablo Meridian, W facing valley just N of confluence of Ditch Gulch and Salt Creek, Hwy. 3 near Peanut 770 Comment
  SEINET10969014  Scutellaria tuberosa Linstedt 1984-5-13 LINSTEDT 44 Trinity T29n, r10w, s16 se 1/4. Basin gulch campground. Collected on dry rocky n facing Slope under arctostaphylos and pinus ponderosa. Corolla purple. Comment
  SEINET10482968  Sedum Mary Susan Taylor 1980-6-17 Taylor 2915 Trinity T29N R11W se sec 26 extending into ne sec 35. Dubakella Mt quad. Shasta- Trinity Natl Forest; at jct of Rd 29N38 and 29N43, on ridgetop, ca. 3 mi due S of Wildwood. 1383 Comment
  HSC81840  Sedum lanceolatum Thomas W. Nelson, Jane P. Nelson 1980-7-17 6103 Trinity Along FS Rd. 17 at summit at county line 2073 Comment
  HSC35140  Sedum lanceolatum var. lanceolatum M. E. Wetherwax 1975-5-17 154 Trinity On the trail to Denny at the confluence of New River and Trinity River 310 Comment
  CHSC40310  Sedum laxum subsp. flavidum J. D. Jokerst 1984-5-31 2040 Trinity Norht of Butter Creek ca. 250 meters on a spur rid ... Field redacted by CHSC, contact the data manager for more information 777 Comment
  HSC47060  Sedum laxum subsp. flavidum Thomas W. Nelson, Jane P. Nelson 1978-6-22 4301 Trinity Along Dubakella Rd., 2 mi. from junction with Red Mtn. Motorway Comment
  HSC59346  Sedum laxum subsp. flavidum M. A. Baker 1979-7-2 621 Trinity 6 km E of Mud Springs on logging road leading to the E side of Dubakella Mtn., 0.2 km S of Dubakella Creek Comment
  HSC66869  Sedum laxum subsp. flavidum M. A. Baker 1980-7-12 2814 Trinity Near Black Lassic 1753 Comment
  HSC96632  Sedum laxum subsp. flavidum Thomas W. Nelson, Jane P. Nelson 2003-6-16 9150 Trinity Along Forest Service Rd. 29N33, 1.5 mi. W of junction with Forest Service Rd. 29N34 1520 Comment
  JEPS77500  Sedum laxum subsp. flavidum T. P. Spira and R. Thode 1978-7-26 Trinity near Regan Meadows approximately 7 mi s Wildwood (Shasta-Trinity National Forest); , s of Wildwood near Regan Comment
  HSC44073  Sedum laxum subsp. heckneri Thomas W. Nelson, Jane P. Nelson 1977-7-30 3647 Trinity Along S side of ridge between the forks of Black Lassic Creek 1646 Comment
  JEPS57157  Sedum laxum subsp. heckneri L. R. Heckard 1967-8-12 1665 Trinity ridge about 2 air mi nw Mt. Eddy Summit; nw of Mt. Eddy summit 2255 Comment
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Oct 29 2020
  UC667080  Sedum obtusatum subsp. boreale Joseph P. Tracy 1935-8-5 14534 Trinity head White's Creek (Devil's Canyon Mts.); , head of White's Creek 2072 Comment
  UC198691  Sedum obtusatum subsp. boreale Annie M. Alexander and Louise Kellogg 1911-7-24 297 Trinity Twin to Thompson Pk 2438 Comment
  CHSC31025  Sedum obtusatum subsp. retusum M. S. Taylor 1980-7-15 3137 A Trinity Canyon Creek Trail, between Upper McKay Camp and the meadows. Ca. 12.1 mi m of Junction City on Hwy 299. 1371 Comment
  CHSC33016  Sedum obtusatum subsp. retusum M. A. Baker 1979-7-1 595 Trinity Trail to Canyon Lakes, 0.5k south of Canyon Ck. Falls. Comment
  HSC55  Sedum obtusatum subsp. retusum William J. Ferlatte 1966-6-30 167 Trinity Canyon Creek Lakes 1646 Comment
  HSC90582  Sedum obtusatum subsp. retusum Jennifer Whipple 1977-9-9 2316 Trinity Mt. Eddy: Near Lower Deadfall Lake 2165 Comment
  RSA0037171  Sedum oregonense John F. Emmel 1993-7-26 1279 Trinity Northwest Trinity Alps; slope east above Grizzly Meadows, 0.4 air mile north of outlet of Grizzly Lake. 1981 Comment
  SBBG65310  Sedum oregonense C. Bornstein 1996-6-28 Trinity trail to Sugar Lake; Salmon Mtns, Russian Pk Wilderness 1828 Comment
  CAS-BOT-BC59098  Sedum spathulifolium George Reinard Kleeberger 1879-10-25 s.n Trinity On schist 1219 Comment
  HSC30290  Sedum spathulifolium var. spathulifolium J. O. Sawyer 1970-7-22 2332 Trinity Near Papoose Lake 2012 Comment
  HSC46942  Selaginella scopulorum William J. Ferlatte, L. M. Moe 1977-8-24 1896 Trinity Stuart Fork Drainage, basin W of Morris Lake above Smith Lake 2300 Comment
  CAS-BOT-BC69758  Selaginella wallacei L. B. Kildale 1930-9-14 10369 Trinity Trinity River at Big French Creek. Comment
  HSC27135  Selaginella wallacei J. P. Smith, J. O. Sawyer 1973-2-10 5839 Trinity New River Trail from Gray Falls Campground on N side of Trinity River and W side of New River 244 Comment
  HSC85710  Selaginella wallacei L. P. Janeway 1984-10-28 1188 Trinity Above the middle fork of the Trinity River along Hwy. 299, 0.25 mi. W of Pigeon Point USFS campground 415 Comment
  RSA302176  Selaginella wallacei James R. Shevock 1972-3-26 1458 Trinity Big Bar Cr. Trinity River; Hwy 299. 610 Comment
  HSC34417  Senecio aronicoides J. P. Smith, J. O. Sawyer 1973-7-3 6966 Trinity Hill south and west of South Dubakella Mtn. 1585 Comment
  POM160895  Senecio greenei Joseph P. Tracy 1923-6-30 6486 Trinity Post Creek Mountain. 1067 Comment
  SEINET10474911  Senecio greenei Mary Susan Taylor 1980-8-13 Taylor 3228 Trinity T29N R11W sw sec 33, Dubakella Mt quad. Shasta-Trinity Natl Forest, serpentine slope on W side of 29N33, ca. 0.5 mi NW of its jct with rd 29N34, ca. 1.2 mi NW of its jct with Hwy 36, ca. 5 mi SW of Wildwood. With S. Horner. 1494 Comment
  JEPS37655  Senecio integerrimus var. exaltatus W. L. Jepson 1897-7-24 Trinity South Yallo Bally Comment
  HSC67343  Senecio integerrimus var. major Thomas W. Nelson 1980-5-30 5362 Trinity Along Rd. 60 (Underwood Mtn. Rd.), 10 mi. S from junction with Hwy. 299 1341 Comment
  HSC31687  Senecio integerrimus var. major D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-16 5694 Trinity Along ridge road on South Fork Mtn., 5 mi. N of its jct. with Hwy. 36 Comment
  JEPS102259  Senecio sylvaticus L. P. Janeway 1996-7-13 5044 Trinity Klamath Ranges. Canyon of Van Ness Creek; 1.5 mi northwest of Trinity Mountain; at end of logging spur road 0.8 mi from Van Ness Creek Road. 1020 Comment
  HSC4423  Senecio triangularis William J. Ferlatte 1967-8-6 798 Trinity Upper end of Canyon Creek above the lakes 1829 Comment
  JEPS123446  Senecio triangularis Julie Kierstead Nelson with Marie Buell 2015-7-18 2015 -114 Trinity Yolla Bolly Wilderness; near Tehama County line; 0.3 miles W of North Yolla Bolly; headwaters of the east fork of the south fork of Trinity River. Comment
  UC581748  Senecio triangularis Joseph P. Tracy 1935-8-7 14603 Trinity head White's Creek (Devil's Canyon Mts.); , head of White's Creek 2072 Comment
  CAS-BOT-BC364457  Senecio triangularis P. A. Munz 1951-7-20 16730 Trinity Near Black Rock Lake, North Yolla Bolly Mts. 1981 Comment
  SFV5095  Senecio triangularis B. C. Templeton 1957-6-22 s. n. Trinity Salmon Mountains. Coffee Creek Canyon. Comment
  UC176757  Sericocarpus oregonensis subsp. oregonensis Joseph P. Tracy 1911-10-1 3545 Trinity 5 mi nw of, near the top, Mad River side Picket's Peak; Northern Coast Ranges, South Fork Mountain 1524 Comment
  UC108908  Sidalcea asprella subsp. nana Blankinship 1893-6-26 Trinity Upper Mad River Comment
  UCD116669  Sidalcea glaucescens Dean W. Taylor 14 Sep 197? 7719 Trinity Swim Meadow. 1219 Comment
  UCD116839  Sidalcea oregana subsp. spicata Joseph M. DiTomaso 1975-7-23 190 Trinity Trinity Alps, 1 mile short of Sugar Pine Lake on Sugar Pine Trail. 1950 Comment
  HSC67250  Silene Thomas W. Nelson 1980-5-30 5347 Trinity Shasta-Trinity National Forest, along Rd. 60/Underwood Mtn. Rd., 6.6 mi. S of junction with Hwy. 299 1067 Comment
  HSC91342  Silene K. Faber, Scott LaChance, Mike Rekart 1984-5-12 26 Trinity Basin Gulch Campground 915 Comment
  CHSC30159  Silene bolanderi M. S. Taylor 1980-6-12 2855 Trinity On e side of Undersood Mt Rd (5N09), ca. 4.9 mi s of its jct with Trinity Hwy (299) at Burnt Ranch. Comment
  UC922352  Silene californica Annie M. Alexander and Louise Kellogg 1949-6-26 5700 Trinity n Yolla Bolly Middle Eel Primitive Area (White Rock Ranger Station); n of Yolla Bolly Middle Eel Primitive Area 1706 Comment
  UCR37949  Silene campanulata Brian Kearney, Mike Malamus, P. Williams 1984-5-26 s.n. Trinity Eagle Creek Campground 851 Comment
  CAS-BOT-BC181203  Silene campanulata subsp. glandulosa John Thomas Howell; Alice Eastwood 1937-6-25 4955 Trinity Between Coffee and Eagle Creeks Comment
  CAS-BOT-BC181209  Silene campanulata subsp. glandulosa Doris K. Kildale 1931-5-30 10769 Trinity Weaverville Comment
  CAS-BOT-BC227806  Silene campanulata subsp. glandulosa Eugene Carter 1974-6-3 790 Trinity Salmon-Trinity Alps and vicinity. South of Store Gulch 495 Comment
  HSC70047  Silene campanulata subsp. glandulosa Thomas W. Nelson, Jane P. Nelson 1978-6-22 4273 Trinity Along Dubakella Rd., 2.3 mi. from junction with Hwy. 36, intersection of FS 29N31 and FS 29N55 1402 Comment
  CAS-BOT-BC181206  Silene campanulata subsp. glandulosa Eugene Carter 1974-6-26 845 Trinity Along the Hobo Gulch Road near the Baxter Gulch Trail, Salmon-Trinity Alps and vicinity. 716 Comment
  HSC40038  Silene campanulata subsp. glandulosa Thomas W. Nelson, Jane P. Nelson 1976-7-1 2889 Trinity Along 5E27 just N of its junctions with 1S07 1524 Comment
  HSC67274  Silene campanulata subsp. greenei Thomas W. Nelson, Jane P. Nelson 1980-6-17 5473 Trinity Shasta-Trinity National Forest, along old Hwy. 36, 1 mi. W of Hwy. 3 near Peanut 793 Comment
  CAS-BOT-BC181225  Silene hookeri subsp. bolanderi Doris Kildale 1931-5-30 10816 Trinity Weaverville Comment
  HSC103701  Silene hookeri subsp. hookeri Susan Erwin 2012-6-27 100 Trinity Hayfork Ranger District, Forest Service Road 30N57 1000 Comment
  HSC56825  Silene laciniata subsp. californica G. L. Clifton 1979-7-19 8622 Trinity Near Mad River, close to the town of Mad River. 817 Comment
  HSC59940  Silene laciniata subsp. californica D. L. Goforth 1979-7-5 198 Trinity Deadwood Creek Rd. 2 mi. ENE of Lewiston Comment
  HSC71534  Silene laciniata subsp. californica J. P. Smith, Thomas W. Nelson 1979-6-26 10218 Trinity Shasta-Trinity National Forest, Philpot Campground on Philpot Creek. 793 Comment
  HSC73859  Silene laciniata subsp. californica M. A. Baker 1980-7-1 2552 Trinity Near Hayden Roughs 212 Comment
  CAS-BOT-BC389234  Silene laciniata subsp. californica Volney Rattan 1883-6-1 s.n. Trinity Hyampon [Hyampom], Trinity River Comment
  CAS-BOT-BC389237  Silene laciniata subsp. californica Lincoln Constance 1928-6-1 s.n. Trinity Near Arcada Comment
  HSC37401  Silene laciniata subsp. californica Judith G. Dickson 1973-6-29 Trinity Norse Butte on S Fork Mtn., Hwy. 36 1280 Comment
  HSC514  Silene lemmonii William J. Ferlatte 1967-6-28 554 Trinity East side of Packers Peak 1585 Comment
  UCD98734  Silene lemmonii Joseph M. DiTomaso 1976-7-8 597 Trinity Trinity Alps; 0.5 mile west of Fosters Cabin on Swift Creek Trail. 1630 Comment
  HSC67522  Sisyrinchium bellum J. P. Smith, J. O. Sawyer 1972-5-27 5332 Trinity 0.5 mi. N of Eagle Creek Campground 869 Comment
  JEPS109290  Sium suave D. W. Taylor 2002-8-29 18326 Trinity Trinity Alps; pond 0.2 miles NNW of Lake Eleanor, ca 8 air miles W of Trinity Center. Comment
  UC922516  Smilacina racemosa Annie M. Alexander and Louise Kellogg 1948-8-6 5425 Trinity Canyon Creek (tributary of Trinity River) Trinity Mountains 1676 Comment
  CHSC27303  Smilax californica T. B. Devine 1976-10-24 373 Trinity N end of Trinity Lake at Calaho Rd. Comment
  HSC24122  Solanum parishii J. O. Sawyer 1970-4-18 2491 Trinity Above New River. 244 Comment
  HSC37220  Solanum parishii Lon Hall 1975-5-17 353 Trinity SE-facing slope on the trail to Denny at the confluence of New River and Trinity River 310 Comment
  HSC39731  Solanum parishii D. E. Anderson, J. P. Smith 1971-6-21 - 1129 Trinity 12 mi. S of Zenia along Zenia-Covelo Rd. Comment
  UCD126965  Solanum parishii Joseph M. DiTomaso 1975-7-14 125 Trinity Trinity Alps. 3/4 mile west of junction with Long Canyon Trail on Bowerman Meadow Trail. 1706 Comment
  UC130626  Solanum umbelliferum H. M. Hall July, 1909 8631 Trinity Salmon Mountains, Coffee Creek Coffee Creek; Salmon Mountains, Coffee Creek 1310 Comment
  SEINET11802171  Solidago californica J. P. Tracy 1941-1 17004 Trinity Burnt Ranch Comment
  HSC255  Solidago elongata William J. Ferlatte 1967-8-17 978 Trinity Ridge between Landers Lake and Union Lake 2134 Comment
  HSC78854  Solidago elongata John S. Palmer 1973-9-7 203 Trinity Bear Lakes Area, along trail to Big Bear Lake. 1677 Comment
  JEPS77664  Solidago multiradiata William J. Ferlatte 1975-8-23 1717 Trinity slope s Lake Anna (Trinity Alps); Trinity alps, Lake Anna and vincity 2360 Comment
  UC922621  Sorbus scopulina var. cascadensis Annie M. Alexander and Louise Kellogg 1948-8-7 5442 Trinity Canyon Creek (tributary of Trinity River) Canyon Creek; Trinity Mountains 1676 Comment
  JEPS74460  Sparganium angustifolium W. J. Ferlatte 1966-8-24 485 Trinity edge of Canyon Creek Lakes 1708 Comment
  HSC35924  Spergularia rubra Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-6-20 1970 Trinity Near S end of road out Swayback Ridge Comment
  UC1299168  Spiraea densiflora Freed W. Hoffman 1948-7-6 2451 Trinity Scott Mountain road; North Coast Ranges 1432 Comment
  RSA1106  Spiraea douglasii E. R. Johnson 1928-8-27 1170 Trinity Lowden's Ranch., 4 mi. SW of Lewiston. 538 Comment
  UC922619  Spiraea douglasii Annie M. Alexander and Louise Kellogg 1948-8-10 5474 Trinity Trinity Creek Trinity Mountains, Trinity River (a tributary of Trinity River) 1676 Comment
  SEINET10744531  Stachys ajugoides var. rigida Andrew Townesmith, Karen M. Meyer 2007-8-1 Townesmith 891 Trinity Shasta-Trinity National Forest. Along Forest Service route 17/Stewart Springs road, 14.4 miles from intersection of Stewart Springs and Old 99 Highway roads. At Deadfall Meadows trailhead. T40N R6W, sections 11 and 14. 2007 Comment
  HSC82513  Stachys rigida var. rigida Thomas W. Nelson, Jane P. Nelson 1979-6-14 4767 Trinity Along Trinity River and old Hwy. 3, N of Eagle Creek Campground 823 Comment
  HSC28774  Stellaria media J. P. Smith 1973-4-21 6216 Trinity Big Bear Lake trail, N of Eagle Creek Campground 1037 Comment
  HSC4061  Stellaria nitens John L. Heywood, D. H. Norris 1968-3-30 1817 Trinity Hwy. 299, ca. 51 mi. E of Humboldt County Line Comment
  HSC26195  Stipa lemmonii J. P. Smith, J. O. Sawyer 1972-5-27 5317 Trinity Eagle Creek Campground, along Trinity River. 869 Comment
  HSC44187  Stipa lemmonii Thomas W. Nelson, Jane P. Nelson 1977-6-19 3468 Trinity S of Senteney Rock 1524 Comment
  HSC78271  Stipa nelsonii subsp. dorei John S. Palmer 1975-6-23 393 Trinity Bear Lakes Area, along trail to Big Bear Lake. 1463 Comment
  CAS-BOT-BC61138  Streptanthus barbatus John Thomas Howell 1937-7-28 13598 Trinity Trinity River Canyon near Eagle Creek. Comment
  CHSC100822  Streptanthus barbatus Susan Bazell; John Whittlesey et. al. 2008-8-31 58 Trinity Trail to Deadfall Lakes. 2133 Comment
  HSC59786  Streptanthus barbatus Thomas W. Nelson, Jane P. Nelson 1978-6-23 4317 Trinity Along FS Rd. 30, 1 mi. from junction with Hwy. 36 Comment
  HSC70103  Streptanthus barbatus Thomas W. Nelson, Jane P. Nelson 1978-6-22 4280 Trinity Along Dubakella Rd., 2.3 mi. from junction with Hwy. 36, intersection of FS 29N31 and FS 29N55 1402 Comment
  JEPS23990  Streptanthus barbatus Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6852 Trinity about 1/2 mi below summit; Scott Mountain 1950 Comment
  UCD164317  Streptanthus barbatus Ryan O'Dell 2010-7-1 s.n. Trinity UTM zone 10, 492619, 4468250. [UTM coordinates place this location along Hayfork Creek, south of the town of Wildwood and HWY 36.] 1251 Comment
  HSC68586  Streptanthus drepanoides Thomas W. Nelson, Jane P. Nelson 1980-6-18 5547 Trinity Along Hwy. 3, 0.4 mi. S of Salt Creek Bridge 762 Comment
  UCD164319  Streptanthus drepanoides Ryan O'Dell 2010-7-1 s.n. Trinity UTM zone 10, 493028, 4469073. [UTM coordinates place this location along Hayfork Creek, south of the town of Wildwood and HWY 36.] 1074 Comment
  POM225503  Streptanthus tortuosus P. A. Munz 1936-8-11 s.n. Trinity Near Forest Glen. 976 Comment
  UC1292734  Streptanthus tortuosus Freed W. Hoffman 1949-7-14 2853 Trinity Signal Peak, Mt. Lassic group, on line between Humboldt and Trinity counties Comment
  UC922599  Streptanthus tortuosus Annie M. Alexander and Louise Kellogg 1948-8-5 5395 Trinity on slope w of lake Trinity Mountains, Lower Canyon Lake 1737 Comment
  UC956544  Streptanthus tortuosus Freed W. Hoffman 1948-7-4 2297 Trinity Road from Bayles to Trinity Center 2.5 mi from Trinity Center-French Gulch road; North Coast Ranges 731 Comment
  RSA296787  Streptanthus tortuosus Clark L. Miller 1979-5-19 3 -127 Trinity Beyond Hobo Gulch Campground along rocky floodplain on N Fork Trinity River. 549 Comment
  CHSC63329  Streptanthus tortuosus var. tortuosus Vernon H. Oswald; L. Ahart 1994-6-14 6281 Trinity Forest Rd. 25 W of Castella, 1.0 mi SW of its jct. with Forest Rd. 26 to Mt. Shasta (city), between Horse Heaven Mdw. and Asbestos Gulch. 1584 Comment
  HSC39129  Streptanthus tortuosus var. tortuosus Gary S. Lester 1974-6-29 315 Trinity Yolla Bolly Wilderness Area, E of saddle between N Yolla Bolly Mtn. and Black Rock Mtn. 2256 Comment
  HSC60664  Streptanthus tortuosus var. tortuosus J. P. Smith, J. O. Sawyer 1973-4-30 6365 Trinity 1.2 mi. E of Burnt Ranch on Hwy. 299 Comment
  HSC2368  Suksdorfia ranunculifolia William J. Ferlatte 1966-6-30 158 Trinity Canyon Creek Lakes 1646 Comment
  HSC68595  Swertia albicaulis var. nitida Thomas W. Nelson, Jane P. Nelson 1980-6-18 5545 Trinity Along Hwy. 3, 0.4 mi. S of Salt Creek Bridge 762 Comment
  UC130628  Swertia albicaulis var. nitida H. M. Hall 1909-7-16 8546 Trinity near Nash Mine; Salmon Mountains 1249 Comment
  UC1537511  Swertia albicaulis var. nitida Gordon H. True Jr. 1937-7-2 748 Trinity just e Weaverville 548 Comment
  RSA256723  Swertia fastigiata J. O. Sawyer 1971-7-9 2416 Trinity Pickett Peak, South Fork Mountain 1738 Comment
  HSC75707  Swertia umpquaensis Bill Copeland 1980-6-28 293 Trinity Near Pickett Peak 1676 Comment
  LA204632  Symphoricarpos albus Carl Epling; William Robison 1935-7-20 sn Trinity Fawn Lodge near Weaverville Comment
  CAS-BOT-BC269640  Symphoricarpos albus var. laevigatus Milo S. Baker 1926-8-2 172 -'26 Trinity Trinity Alps Resort - above ranch house Comment
  HSC51202  Symphoricarpos albus var. laevigatus G. L. Clifton, Overton 1979-6-4 4034 Trinity Near Van Duzen River, close to the town of Alderpoint. 853 Comment
  CAS-BOT-BC237089  Symphoricarpos mollis G. R. Kleeberger 1879-9-20 s.n. Trinity Unspecified Comment
  HSC35676  Symphoricarpos mollis J. P. Smith, J. O. Sawyer 1973-7-4 7070 Trinity Trail 11W26 from Rd. 80, between Dubakella and S Dubakella Mtn. 1524 Comment
  JEPS59006  Symphoricarpos mollis var. acutus Elizabeth McClintock 1956-6-16 Trinity above Coffee Creek Ranch (road along Coffee Creek) Comment
  SEINET10465057  Symphoricarpos rivularis Mary Susan Taylor 1980-6-11 Taylor 2832 Trinity T34N R12W ne 1/4 sec 6. Hyampom quad. Big Bar, on S side of Trinity River, in vicinity of bridge to Big Bar Camp ground. Shasta Natl Forest. 457 Comment
  SFV18687  Synthyris reniformis P. Wilson, M. Mesler 2003-3-2 3886 Trinity Gray Falls Camp off US-299. 290 Comment
  CAS-BOT-BC221931  Taeniatherum caput-medusae Joseph P. Tracy 1932-6-17 10234 Trinity Mad River Valley, 6 miles above Ruth 792 Comment
  HSC68615  Tauschia kelloggii Jacqueline Greenleaf 1980-7-10 169 Trinity Near Shanty Creek. 1128 Comment
  CAS-BOT-BC81353  Taxus brevifolia John Thomas Howell 1955-6-14 30417 Trinity 2 miles west of Buckhorn Mt. summit 792 Comment
  CAS-BOT-BC81357  Taxus brevifolia Doris K. Kildale; T. O. Davis 1929-2-20 4279 Trinity Coffee Creek near Trinity Center Comment
  HSC78799  Taxus brevifolia John S. Palmer 1973-9-7 177 Trinity Bear Lakes Area, along shore of Wee Bear Lake 1845 Comment
  POM161051  Taxus brevifolia Frank A. Graham 1925-8-20 s.n. Trinity Pony Mountain, head of New River. Comment
  UC401389  Taxus brevifolia Annie M. Alexander and L. Kellogg 1911-7-24 284 Trinity head Grizzly Creek 1828 Comment
  SD20933  Taxus brevifolia Paul F. Covel 1937-7-15 Trinity Willow Creek Camp on Arcata-Weaverville Highway Comment
  UCD96772  Thalictrum sparsiflorum Joseph M. DiTomaso 1975-7-22 176 Trinity Trinity Alps. 1.5 miles south of Boulder Lake. 1706 Comment
  JEPS82243  Thelypodium brachycarpum Roger Raiche 1983-8-13 30603 Trinity near Dead Fall Creek (trail to Mt. Eddy summit, near intersection of trails); Mt. Eddy 2316 Comment
  UC1481871  Thelypteris nevadensis Milo S. Baker 1926-7-28 152 c-26 Trinity Bridgeville - Red Bluff Hwy. S Fork Mt. (S Fork Mt.) 1066 Comment
  CAS-BOT-BC465604  Thermopsis gracilis Julie Kierstead Nelson; Dylan O. Burge; Lusetta Sims; Jenny Cribbs 2015-6-4 2015 -053 Trinity East slope of Trinity Alps, W of Trinity Lake, S of road to Stonewall Pass trailhead, spur off Road 35N73Y 1273 Comment
  CHSC31049  Thlaspi montanum var. montanum M. S. Taylor 1980-7-23 3184 Trinity On n side at end of 40N98A in meadow near Upper Bluff Lake, ca. 19.6 mi ne of Trunble Ranch on Hwy 3. 2072 Comment
  CHSC31149  Thlaspi montanum var. montanum M. S. Taylor 1980-7-23 3181 Trinity Ca. 15.2 mi ne of Hwy 3 at Trunbles Ranch, ca. 0.4 mi e of 42N17 (Radell), ca. 0.2 mi n of 40N45, in meadow. 1889 Comment
  HSC26801  Thysanocarpus curvipes Thomas W. Nelson 1971-4-25 415 Trinity Hwy. 299 at Big Flat Comment
  HSC40456  Thysanocarpus curvipes J. O. Sawyer 1974-4-27 2567 Trinity Along Willow Gulch 76 Comment
  HSC6989  Thysanocarpus curvipes John L. Heywood, D. H. Norris 1968-3-30 1803 Trinity Hwy. 299, 31 mi. E of Humboldt Co. line Comment
  HSC103577  Thysanocarpus elegans Thomas W. Nelson, Jane Nelson 1982-5-16 6907 Trinity Along State Route 299, 0.2 mi. W of Whites Bar Picnic Area 335 Comment
  HSC35124  Thysanocarpus radians A. Montalvo 1975-5-17 239 Trinity SE facing slope on the trail to Denny at the confluence of the New River and Trinity River 310 Comment
  CAS-BOT-BC447691  Tiarella trifoliata var. unifoliata L. B. Kildale 1930-7-20 10432 Trinity Upper Van Duzen River near Cobbs Comment
  CDA25450  Tolmiea menziesii D. Waller 2002-4-13 13 Trinity Near Willow Creek, five miles south on South Fork Road. Comment
  CHSC30157  Tonella tenella M. S. Taylor 1980-6-12 2860 Trinity On w side of 5N40, ca. 2.3 mi s of its jct with Underwood Mt Rd (5N09), ca. 8.1 mi s of Trinity Hwy (299), at Burnt Ranch. Comment
  RSA256695  Tonella tenella Ron Ralston 1975-5-17 62 Trinity Small west facing valley just north of the confluence of Ditch Gulch and Salt Creek on CA Hwy 3, near Peanut. 770 Comment
  JEPS74573  Torilis arvensis W. Ferlatte 1966-6-1 2023 Trinity 1 mile west of Hayden Flat campground along Hw. 299 365 Comment
  JEPS48376  Torreya californica A. W. N. Johnson 1941-9-27 Trinity in a narrow gulch close to Island Mountain railroad tunnel; Island Mountain Comment
  JEPS128429  Toxicoscordion micranthum Julie Kierstead Nelson with Martin Lenz 2015-4-15 2015 -015 Trinity Stoney Point campground, west side of Trinity Lake off Hwy 3. Comment
  CHSC118458  Toxicoscordion micranthum Julie Kierstead Nelson; Marie Buell 2015-5-6 2015 -037 Trinity Upper Hayfork Creek watershed west of Wild-Mad Road (County Road 30) southern Klamath Range, ca. 3 miles south of Hwy. 36W, upslope from Rd. 29N33; UTM NAD 83 Zone 10, 4465562.78m N, 491558065m E. 1322 Comment
  HSC91994  Triantha occidentalis subsp. occidentalis Jennifer Whipple 1976-7-12 1425 Trinity N of Lower Deadfall and Deadfall Lakes, along the creek draining the upper Deadfall Lakes. 2165 Comment
  JEPS123077  Triantha occidentalis subsp. occidentalis D. Burge and J. Nelson with Jepson Herbarium workshop participants 2015-6-27 JHWS- 098 Trinity Scorpion Lake Comment
  HSC64939  Triantha occidentalis subsp. occidentalis D. L. Goforth 1979-7-6 216 Trinity Scott Mtn. Meadow 1646 Comment
  HSC71126  Trichostema laxum Gail Newton 1980-7-9 1097 Trinity Near Shanty Creek. 1113 Comment
  JEPS102961  Trichostema laxum L. P. Janeway 2001-7-8 7312 Trinity Klamath Ranges. On ridgetop 2.4 km north of Red Mountain. Vernal pool on ridgetop 1660 Comment
  SEINET8999777 Image available Trichostema laxum Harold E. Parks, Tracy, Joseph P. 1941-8-28 11507 Trinity Low Gap, on Van Duzen River slope. 792 Comment
  UC583049  Trichostema laxum P. A. Munz 1936-8-11 14364 Trinity Forest Glen, Little Trinity River 762 Comment
  UC1111610  Trichostema oblongum Lewis S. Rose 1955-7-17 554122 Trinity Weaverville 609 Comment
  UCLA30912  Trichostema oblongum John Thomas Howell 1955-7-17 30678 Trinity Weaverville 609 Comment
  RSA124978  Trichostema simulatum Peter H. Raven, R. Snow 1958-7-18 13578 Trinity 2.0 miles north of Minersville on road to Trinity Center. Comment
  HSC54152  Trientalis latifolia Gilbert Muth 1979-7-18 8361 Trinity Near Deep Hollow Creek, close to the town of Mad River 1006 Comment
  UCR37940  Trientalis latifolia Brian Kearney, Mike Malamus, P. Williams 1984-5-12 105 Trinity Philpot [Cold Springs] Campground 979 Comment
  HSC66297  Trifolium breweri Ed Cope, John Palmer Jul 1977 533 Trinity South of trail to Granite Lake. 1280 Comment
  JEPS79997  Trifolium cyathiferum Joseph P. Tracy 1932-6-17 10210 Trinity Three Forks of Mad River Mad River; North Coast Ranges 883 Comment
  OBI12697  Trifolium cyathiferum Joseph P. Tracy 1942-7-3 17387 Trinity 3 mi SE of Kuntz; Van Duzen River, 4 mi SE of Low Gap Comment
  UC1223488  Trifolium cyathiferum Joseph P. Tracy 1937-7-24 15519 Trinity head of Hors Linto Creek; Trinity Summit, Devil's Hole 1676 Comment
  CHSC88589  Trifolium dubium L. P. Janeway; Gail Kuenster 2004-6-24 8176 Trinity Klamath Ranges. Large floodplain ('Grass Valley') on south side of Trinity River just east of Grassy Valley Creek. 'Hamilton Ranch. 535 Comment
  UC796611  Trifolium eriocephalum var. eriocephalum Roxana S. Ferris and Laura Lorraine 1948-6-11 11676 Trinity ca 24 mi e Bridgeville (at junction of Mad River Rock Lookout Station and State Hwy 36); Six Rivers National Forest Comment
  BLMAR369  Trifolium fucatum Jennifer Anthony-Wheeler 2003-4-10 369 Trinity Travis ranch 609 Comment
  HSC42878  Trifolium hirtum Barbara Kelly 1977-5-22 487 Trinity Downtown Weaverville, at the corner of Hwy. 299 and Hwy. 3 Comment
  HSC40656  Trifolium longipes subsp. oreganum Thomas W. Nelson, Jane P. Nelson 1976-7-1 2956 Trinity Along FS Rd. 5E27 just S of Senteney Rock 1524 Comment
  HSC98474  Trifolium longipes subsp. oreganum Dana York, J. R. Shevock, Richard Helliwell 2009-7-3 2962 Trinity 82 mi. W of Redding, Shasta-Trinity National Forest, on trail to Limestone Ridge 1816 Comment
  UC130647  Trifolium longipes subsp. oreganum H. M. Hall July 1909 8629 Trinity Salmon Mountain. Swift Creek. 1920 Comment
  UC1223357  Trifolium microcephalum Joseph P. Tracy 1942-7-3 17388 Trinity 3 mi se Kuntz (4 mi se of Low Gap); Van Duzen River 792 Comment
  SEINET10969847  Trifolium microcephalum Botany 1985-4-20 BOTANY s.n. Trinity T33n,r9w,sec.24, h.m. Road bank 0.5 miles n of hwy 299 along road to Steelbridge campground. Open, sunny, grassy site in oak-madrone woodland. 536 Comment
  HSC82576  Trifolium oliganthum Thomas W. Nelson 1979-5-13 4663 Trinity At junction of county roads NE of Rees Brothers Coal Mine. 579 Comment
  HSC320  Trifolium productum William J. Ferlatte 1967-8-11 888 Trinity Grizzly Lake Basin, 0.5 mi. N of Grizzly Lake 2134 Comment
  HSC44840  Trifolium willdenovii Thomas W. Nelson, Jane P. Nelson 1977-6-19 3538 Trinity Above Senteney Rock. 1494 Comment
  HSC45789  Trifolium willdenovii Brad Klipfel 1975-5-3 599 Trinity Grays Falls along N side of the Trinity River Comment
  UC184654  Trifolium willdenovii Harry S. Yates 1914-5-20 329 Trinity East Weaver Creek Comment
  UCD109958  Trifolium wormskioldii W. A. Williams 1957-7-22 57 D Trinity Bear Creek Meadows near Cabin: Shasta National Forest; east of Mt. Eddy. 1828 Comment
  CHSC90223  Trillium albidum L. P. Janeway 2001-5-28 7069 Trinity Klamath Ranges. At Goat Camp Spring, near top of Brushy Mountain (ridge); along Road 29N28 5.5 km north of junction of Roads 30 and 35 (and the junction of Shasta, Tehama, and Trinity County lines). 1400 Comment
  HSC35099  Trillium albidum John S. Palmer 1975-5-17 355 Trinity Middle Fork of Philpot Creek and Philpot Campground on Plummer Peak Rd. 825 Comment
  HSC54180  Trillium albidum G. L. Clifton, Butler 1979-7-18 8434 Trinity Near Jones Ridge, close to the town of Alderpoint 1158 Comment
  HSC101810  Trillium albidum Kjirsten A. Wayman 2012-4-7 308 Trinity Near S. Fork Trinity River Trail, along Surprise Creek. 305 Comment
  HSC84304  Trisetum canescens J. P. Smith, Thomas W. Nelson 1982-5-14 10413 Trinity Big Bar Campground 457 Comment
  HSC73595  Trisetum cernuum Gail Newton 1980-7-10 1305 Trinity Near Senteney Rock 1463 Comment
  HSC81786  Triteleia bridgesii Thomas W. Nelson, Jane P. Nelson 1980-6-17 5512 Trinity Along Salt Creek Rd. between Salt Creek Campground and junction of Rd. 30N24 915 Comment
  UCD139358  Triteleia crocea Joseph M. DiTomaso 1976-7-8 607 Trinity Trinity Alps; 0.5 mile below Union Creek Campground on Union Creek Trail. 1752 Comment
  JEPS95572  Triteleia crocea var. modesta Vernon H. Oswald 1994-6-14 6283 Trinity T38N R5W NW1/4 NW1/4 Sec. 20, 5200 ft, Yellow Pine Forest. Forest Rd. 25 W of Castella, 1.0 mi SW of its jct. with Forest Rd. 26 to Mt. Shasta (city), between Horse Heaven Mdw. and Asbestos Gulch 1584 Comment
  HSC74602  Triteleia hyacinthina M. A. Baker 1980-7-10 2742 Trinity Near Senteney Rock 1554 Comment
  RSA183024  Triteleia hyacinthina Lee W. Lenz 1966-5-24 24656 Trinity Salyer Comment
  UC1553487  Triteleia hyacinthina E. Dean 1988-6-14 45 Trinity slopes on nw side road 30N59 (0.4 mi s of Basin Gulch Bridge); Post Creek 853 Comment
  RSA21008  Triteleia hyacinthina Carl B. Wolf 1937-6-20 8918 Trinity Along Mad River, 5 8/10 mi. above Eureka - Red Bluff Road on Road to Ruth. 457 Comment
  CAS-BOT-BC525740  Triteleia ixioides subsp. scabra Doris K. Kildale 1927-7-4 3697 Trinity Summit at boundary line of Trinity & Shasta Counties on Eureka-Red Bluff Road Comment
  RSA1461  Tsuga mertensiana E. R. Johnson 1930-10-13 1600 Trinity Canyon Creek at Lakes. 1829 Comment
  UCD111538  Urtica dioica subsp. gracilis Joseph M. DiTomaso 1975-8-20 283 Trinity 200 yards E of Willow Creek on Deer Creek Trail. 1645 Comment
  UC22256  Vaccinium cespitosum J. Burtt Davy Jun 1899 Trinity Trinity Summit North Coast Ranges Comment
  CHSC1996  Valeriana sitchensis A. Small 1954-6-3 Trinity Hiway 36 between Peanut and Wildwood. 1017 Comment
  RSA97028  Valerianella locusta J. T. Howell 1954-4-26 29161 Trinity Between Weaverville and Douglas City. Comment
  HSC102704  Ventenata dubia J. P. Smith 2013-6-16 13732 Trinity Along State Route 36. 787 Comment
  HSC102717  Ventenata dubia J. P. Smith 2013-6-18 13750 Trinity Roadside along State Route 3. 1193 Comment
  HSC102719  Ventenata dubia J. P. Smith 2013-6-19 13752 Trinity Junction of State Route 3 and the IP Road (Park Road). 1005 Comment
  HSC102912  Ventenata dubia J. P. Smith 2014-5-29 13866 Trinity Junction of State Route 3 and the IP Road 1008 Comment
  RSA276661  Veronica alpina var. alterniflora William J. Ferlatte, Alice Q. Howard 1970-8-11 1306 Trinity Trinity Alps: North side of Thompson Peak, above Grizzly Lake. 2500 Comment
  HSC76410  Veronica americana Alerie Gizinski 1981-7-29 182 Trinity Near Senteney Rock 1219 Comment
  HSC91107  Veronica americana Jennifer Whipple 1977-9-9 2265 Trinity N of Lower Deadfall and Deadfall Lakes along the creek draining the upper Deadfall Lakes 2165 Comment
  RSA66891  Veronica americana Philip A. Munz 1951-7-17 16562 Trinity Grasshopper Public Camp, 2.5 mi NW of Stuart Gap, North Yolla Bolly Mtns. 1448 Comment
  UCD124711  Veronica copelandii Joseph M. Di Tomaso 1975-7-13 259 Trinity Trinity Alps. On switchbacks above Deer Lake. 2286 Comment
  JEPS5736  Veronica peregrina subsp. xalapensis Rimo Bacigalupi with L. Constance, Reid Moran, R. Rodriguez and Sherwin Carlquist 1951-6-12 3373 Trinity 1/2 mi n of Wildwood (n of State road 36, tributary of the Hay Fork of the Trinity River); Trinity River Comment
  RSA245009  Veronica persica J. P. Smith 1973-4-21 6246 Trinity Along Coffee Creek Road leading to Coffee Creek Ranch. 610 Comment
  CHSC112149  Viburnum opulus Dean Wm. Tylor