Search Results — 2000 specimen records retrieved (1424 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78137  Abies X shastensis G. B. Grant 1902-9-7 5124 Trinity Horse Camp, Mt. Shasta 2438 Comment
  CAS-BOT-BC73512  Abies concolor Doris K. Kildale; T. O. Davis 1929-2-20 4280 Trinity Coffee Crerek near Trinity Center. Comment
  HSC45497  Abies concolor Maralyn O'Meara 1972-9-12 110 Trinity Trail to Boulder Lake, Coffee Creek 1220 Comment
  SD42338  Abies concolor Carl B. Wolf 1937-8-12 Trinity North Coast Range, South Fork Mountain, 1.5 miles south of Cold Spring Lookout 1525 Comment
  UCD134114  Abies concolor Joseph M. DiTomaso 1975-9-4 314 Trinity Trinity Alps. Granite Lake north of Coffee Creek. 1965 Comment
  NY29172  Abies concolor M. F. Denton 1981-7-3 4256 Trinity This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SDSU2128  Acer glabrum L. N. Harvey 1930-9-29 691 Trinity Comment
  CAS-BOT-BC331631  Acer macrophyllum G. R. Kleeberger 1880-7-9 s.n. Trinity Weaverville 1524 Comment
  RSA60475  Acer macrophyllum John H. Thomas 1949-6-15 931 Trinity About 7 miles north of Weaverville, along trail to Trinity Alps. Trinity National Forest. 915 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
  HSC261  Achillea millefolium William J. Ferlatte 1967-8-19 1028 Trinity Red Rock Mtn. 2287 Comment
  UC682052  Achnatherum lemmonii G. L. Stebbins Jr. and G. L. Church 1941-5-27 3115 Trinity 2 mi w Mad River (near Forest Ranger station) 1066 Comment
  CHSC88591  Acmispon americanus var. americanus L. P. Janeway; Gail Kuenster 2004-6-24 8179 Trinity Klamath Ranges. Large floodplain ('Grass Valley') on south side of Trinity River just east of Grassy Valley Creek. 'Hamilton Ranch. 535 Comment
  HSC42277  Acmispon micranthus Rich White 1977-5-21 59 Trinity Eagle Creek Campground 851 Comment
  HSC40810  Acmispon nevadensis Thomas W. Nelson, Jane P. Nelson 1976-7-1 2957 Trinity Along FS Rd. 5E27 just S of Senteney Rock 1524 Comment
  HSC36633  Acmispon nevadensis Thomas W. Nelson, James Nelson, Jane P. Nelson 1975-6-14 1908 Trinity Junction of County Rd. and FS Rd. 1S07 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
  UC668265  Aconitum columbianum Joseph P. Tracy 1935-8-6 14656 Trinity head of N. Fork White's Creek (around White's Creek Lake); Devil's Canyon Mts., , White's Creek La 1981 Comment
  UC723018  Aconitum columbianum C. L. Hitchcock and J. S. Martin 1939-7-12 5356 Trinity 7 mi. above Dedrick (Canyon Creek Meadows); Salmon-Trinity Alps, Canyon Creek Meadows 1402 Comment
  HSC32  Aconitum columbianum subsp. columbianum William J. Ferlatte 1967-8-6 785 Trinity Canyon Creek Lakes, above upper lake 1738 Comment
  CAS-BOT-BC391542  Aconitum columbianum subsp. columbianum Mrs. E. C. Van Dyke 1931-6-23 s.n. Trinity Nash Mine, above Carville [Carrville] Comment
  CAS-BOT-BC391556  Aconitum columbianum subsp. columbianum E. K. Balls 1949-7-1 13706 a Trinity 1 mile below Canyon Creek Meadow, Canyon Creek 1310 Comment
  HSC56748  Adenocaulon bicolor G. L. Clifton, Butler 1979-7-18 8424 Trinity Near Jones Ridge, close to the town of Alderpoint 1158 Comment
  HSC72820  Adenocaulon bicolor Gail Newton 1980-7-9 1143 Trinity Near Shanty Creek. 1113 Comment
  CAS-BOT-BC30282  Adenocaulon bicolor P. A. Munz 1951-7-22 16830 Trinity North Yolla Bolly Mountains, ridge south of Stuart Gap 1706 Comment
  CAS-BOT-BC30289  Adenocaulon bicolor Sack; Iverson 1933-7-25 G- 10 Trinity Trinity National Forest, Hettenshaw Valley 975 Comment
  HSC73682  Adiantum aleuticum M. A. Baker 1980-7-13 2924 Trinity Near Mule Ridge. 1585 Comment
  CAS-BOT-BC65539  Adiantum aleuticum Annie M. Alexander; Louise Kellogg 1948-8-1 5380 Trinity Canyon Creek; Dedrick 762 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
  HSC28229  Adiantum jordanii J. P. Smith 1973-4-7 5943 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
  UC472275  Ageratina occidentalis Annie M. Alexander and Louise Kellogg 1911-8-14 315 Trinity Hd. Bear Cr. 1950 Comment
  CAS-BOT-BC29463  Ageratina occidentalis Annie Montague Alexander; Louise Kellogg 1948-9-8 5606 Trinity Top of grade between Sawyers Bar and Etna 1737 Comment
  HSC46722  Ageratina occidentalis William J. Ferlatte 1976-9-23 1865 Trinity Big Flat, 0.25 mile N of Packers Pk. trail on west side of Coffee Cr. Rd. 1524 Comment
  HSC5640  Ageratina occidentalis R. Spellenberg 1964-8-1 555 Trinity Near Cedar Flat, Burnt Ranch Comment
  HSC66307  Ageratina occidentalis M. S. Taylor 1980-6-11 2844 Trinity Gray Falls Campground, banks of the Trinity River, Six Rivers NF, N side of Hwy. 299, ca. 2 miles N of Burnt Ranch 274 Comment
  JEPS75974  Agoseris aurantiaca var. aurantiaca William J. Ferlatte 1974-7-24 1560 Trinity 100 yd w,(at head of Coffee Cr & start of Packers Pk Trail) Coffee Creek Rd.; Trinity Alps, Big Flat, Coffee Cr. 1524 Comment
  JEPS94024  Agoseris grandiflora Vernon H. Oswald and Lowell Ahart 1998-7-28 9368 Trinity Highway 36 4.8 mi. west of Wildwood Rd., 7.3 mi. east of Highway 3. 1249 Comment
  CAS-BOT-BC22793  Agoseris heterophylla LeRoy Abrams 1916-7-23 6247 Trinity Wildwood Comment
  HSC64274  Agoseris heterophylla J. O. Sawyer, R. J. Cole 1978-4-22 3080 Trinity Along Big French Creek Rd. [5N13] 12 mi. towards Ironside Mtn. lookout 1463 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
  SEINET10810361  Agrostis exarata Joseph P. Tracy 1935-8-3 Tracy 14483 Trinity Mary Blaine Mt. Moist meadow, known as "Mary Blaine Meadow". 1951 Comment
  HSC58736  Agrostis gigantea G. L. Clifton 1979-7-19 8602 Trinity Near Mad River, close to the town of Mad River. 817 Comment
  UCD52788  Agrostis idahoensis Katharine Brandegee 1905-8-22 s.n. Trinity Mt. Silliman. Comment
Read comments
May 9 2012
  SEINET10810390  Agrostis idahoensis Annie M. Alexander, Louise Kellogg 1948-8-10 Alexander 5473 Trinity Canyon Creek (tributary of Trinity River). In meadow. 1676 Comment
  HSC76538  Agrostis oregonensis Aleria Gizinski 1981-7-30 225 Trinity Near Goat Hill. 1433 Comment
  CHSC53664  Agrostis stolonifera L. P. Janeway 1987-6-29 2395 Trinity Old floodplain of the Trinity River near mouth of Grass Valley Cr; flat mdw-wetland area on N side of Lewiston Rd 1.8 mi from hwy 299. 'Lowden Ranch'. 533 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
  UC191396  Aira caryophyllea Harry S. Yates 1914-5-15 266 Trinity near Weaverville Comment
  CAS-BOT-BC138352  Aira caryophyllea var. caryophyllea Eugene Carter 1974-5-11 727 Trinity Salmon-Trinity Alps and vicinity. South of Store Gulch. 484 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
  CAS-BOT-BC461081  Allium acuminatum Doris K. Kildale 1927-7-3 3679 Trinity La Grange mine between Junction City and Weaverville Comment
  CAS-BOT-BC461082  Allium acuminatum Doris Kildale 1931-5-30 10813 Trinity Weaverville Comment
  HSC39475  Allium amplectens J. P. Smith 1972-5-27 Trinity 0.5 mi. N of Eagle Creek Campground 869 Comment
  HSC65833  Allium bolanderi var. bolanderi Gail Newton 1980-7-9 1096 Trinity Near Shanty Creek. 1113 Comment
  HSC39429  Allium campanulatum Thomas W. Nelson, James Nelson 1976-6-22 2769 Trinity On Senteney Rock 1524 Comment
  HSC73654  Allium campanulatum Gail Newton 1980-7-10 1190 Trinity Near Senteney Rock 1545 Comment
  HSC67396  Allium cratericola Thomas W. Nelson 1980-5-30 5391 Trinity Shasta-Trinity National Forest, along Rd. 4N25 at junction with Rd. 4N25C 2 mi. S of junction with rd. 60 1067 Comment
  HSC74586  Allium falcifolium M. A. Baker 1980-7-12 2851 Trinity Near Black Lassic 1707 Comment
  UC130698  Allium falcifolium H. M. Hall July, 1909 8646 Trinity Head of Parker Creek Salmon Mountains, Parker Creek 2011 Comment
  UC1446104  Allium falcifolium Susan Horner 1979-5-17 529 Trinity Hayfork Ranger District, Shasta-Trinity National Forest Dubakella Mtn. Quad., Hayfork Ranger District 1066 Comment
  HSC71219  Allium falcifolium Thomas W. Nelson, Jane P. Nelson 1979-5-19 4688 Trinity SW of Philpot Campground 915 Comment
  HSC31835  Allium hoffmanii D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-13 5547 Trinity Black Lassic 1738 Comment
  HSC44105  Allium hoffmanii M. A. Baker 1977-5-7 239 Trinity Blue Point, on Blue Point Ridge. 1573 Comment
  HSC71838  Allium hoffmanii Thomas W. Nelson, Jane P. Nelson 1980-6-27 5945 Trinity Along NE side of Mule Ridge 1585 Comment
  UC1446102  Allium hoffmanii Barbara Williams 1979-5-30 188 Trinity wash-gully at intersection of Mud Springs Rd. and rd. to Red Mt. (Yolla Bolla Ranger District, Shasta-Trinity Nat'l Forest); Shasta-Trinity Nat'l Forest, Dubakella Mt. Quad., Yolla Boll 1615 Comment
  HSC75239  Allium siskiyouense Thomas W. Nelson, Jane P. Nelson 1980-6-18 5615 Trinity Shasta-Trinity National Forest, along FS Rd. 1N10, 1 mi. from junction with FS Rd. 2N07 1372 Comment
  HSC36179  Allium validum J. P. Smith, J. O. Sawyer 1979-7-27 7159 Trinity Trail to Deadfall Lakes 1951 Comment
  CAS-BOT-BC169659  Alnus rhombifolia L. B. Kildale 1930-10-19 10301 Trinity Trinity River at Big Bar Comment
  HSC74897  Alnus viridis subsp. sinuata J. P. Smith, J. O. Sawyer, Jane Cole 1978-5-28 9936 Trinity Shasta-Trinity National Forest, Coffee Creek Rd. near Mt. Meadow Ranch 1524 Comment
  HSC815  Alnus viridis subsp. sinuata William J. Ferlatte 1967-8-5 775 Trinity Canyon Creek Lakes 1646 Comment
  CHSC89278  Amelanchier alnifolia G. Douglas Barbe; J. T. Howell, T. C. Fuller 1980-5-20 2764 Trinity Klamath Ranges. Campground, Scott Mountain Summit forest camp, at the summit of Hwy 3 between Callahan (Siskiyou Co.) and Trinity Center. 1645 Comment
  JEPS123488  Amelanchier alnifolia var. semiintegrifolia E. T. Doucette 2013-5 13 -127 Trinity Fire road 25 above Mumbo Basin. Comment
  JEPS123516  Amelanchier alnifolia var. semiintegrifolia E. T. Doucette 2013-7-3 13 -145 Trinity Fire road 25 miles west of Boulder Peak Comment
  HSC40429  Amelanchier pallida J. O. Sawyer 1973-7-1 2527 Trinity Butter Creek S of Hyampom. Comment
  CAS-BOT-BC135630  Amelanchier utahensis Doris K. Kildale 1928-3-2 4662 Trinity Trinity Center Comment
  UC1127782  Amelanchier utahensis P. L. Johannsen 1933-5-19 178 Trinity Harrison Gulch; Trinity National Forest, Red Bluff Quad. 762 Comment
  UC466775  Amelanchier utahensis H. S. Yates 1914-5-21 336 Trinity Little East Weaver Creek Comment
  HSC24110  Amsinckia intermedia J. O. Sawyer 1970-4-18 2517 Trinity Above the New River at its junction with the Trinity River 244 Comment
  HSC64007  Amsinckia intermedia J. P. Smith 1973-4-21 6306 Trinity Along Coffee Creek Rd. leading to Coffee Creek Ranch. 610 Comment
  RSA0089712  Amsinckia intermedia Scott M. Kruse 1975-5-17 35 Trinity Southeast-facing slope on the trail to Denny at the confluence of New River and Trinity River. 310 Comment
  UC130571  Anaphalis margaritacea H. M. Hall 1909-7-1 8689 Trinity Coffee Creek; Salmon Mountains 1280 Comment
  UC468995  Anaphalis margaritacea H. S. Yates 1914-7-13 485 Trinity Stuarts Comment
  RSA105337  Anaphalis margaritacea G. D. Barbe 1955-8-3 349 Trinity 10.5 miles west of Scott Mtn. Rd. on Coffee Creek Rd. 1280 Comment
  SEINET2029364 Image available Anaphalis margaritacea var. subalpina C. L. Hitchcock, J. S. Martin 1939-7-12 5361 Trinity Just below lower Canyon Creek Meadow, 10 miles north or Dedrick, Salmon-Trinity Alps 1676 Comment
  RSA201432  Anchusa officinalis J. T. Howell 1955-7-17 30714 Trinity Near Hayfork. 732 Comment
  UCD119130  Anchusa officinalis John Thomas Howell 1955-7-17 30714 Trinity Near Hayfork. 731 Comment
  HSC45405  Anemone drummondii Thomas W. Nelson, Jane P. Nelson 1977-7-4 3628 Trinity N side of Mule Ridge 1585 Comment
  RSA211133  Anemone occidentalis William J. Ferlatte 1967-8-6 809 Trinity Upper end of Canyon Creek above the lakes 1829 Comment
  UCR124009  Angelica tomentosa George K. Helmkamp, E. A. Helmkamp 2001-7-8 6950 Trinity North Coast Range; Trinity Mountains, Calif. Hwy 36, 7 mi west of Wildwood at Telephone Ridge 1280 Comment
  UCD127172  Angelica tomentosa Joseph M. DiTomaso 1976-8-9 661 Trinity Red Mountain Meadows. Trinity Alps. 1981 Comment
  UCD127174  Angelica tomentosa Joseph M. DiTomaso 1976-8-11 672 Trinity Trinity Alps; on switchbacks above Luella Lake. 2179 Comment
  RSA273293  Angelica tomentosa var. tomentosa J. P. Smith, J. Sawyer 1972-9-12 5763 Trinity S.R. 3 at Dan Rice Creek 1372 Comment
  RSA67490  Angelica tomentosa var. tomentosa P. A. Munz 1951-7-19 16697 Trinity 1 mi. NW of Stuart Gap, North base of North Yolla Bolly Mts. 1402 Comment
  HSC57291  Anisocarpus madioides Walter Overton 1979-7-18 8705 Trinity Near Horse Ridge, close to the town of Mad River 1219 Comment
  CAS-BOT-BC59254  Antennaria argentea Elizabeth McClintock 1956-6-14 s.n. Trinity Trail to Lion Lake, west of Coffee Creek Comment
  CAS-BOT-BC59294  Antennaria argentea John Thomas Howell 1937-7-30 13692 Trinity Summit of Scott Mts. n. of Carrville Comment
  JEPS95333  Antennaria argentea Vernon H. Oswald and L. Ahart 1994-6-14 6284 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
  HSC68254  Antennaria argentea J. P. Smith 1975-5-17 8125 Trinity Just N of the confluence of Ditch Gulch and Salt Creek on Hwy. 3 near Peanut 770 Comment
  RSA49944  Antennaria argentea E. K. Balls 1949-7-7 13889 Trinity Scott Mountain Public Camp 1631 Comment
  RSA789815  Antennaria argentea Rebecca Wenk 2005-7-14 189 Trinity Trinity Alps, along Coffee Creek road, trailhead at base of South Fork of Coffee Creek, 3 miles N of Big Flat Meadow. 1402 Comment
  RSA244952  Antennaria dimorpha J. P. Smith 1973-4-21 6186 Trinity Roadsides and slopes above Eagle Creek Loop, N of the Eagle Creek Campground. 854 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
  HSC68960  Anthriscus caucalis Jacqueline Greenleaf 1980-6-23 145 Trinity Near Mad River 169 Comment
  UC1553524  Antirrhinum vexillocalyculatum subsp. breweri E. Dean 1988-7-28 154 Trinity 0.1 mi se Stuart Gap junction with Road 30 (Mad-Wildwood Rd.) (along road to Stuart Gap, Devils Camp); Devils Camp 1160 Comment
  POM225583  Antirrhinum vexillocalyculatum subsp. breweri Philip A. Munz 1936-8-12 14372 Trinity 12 mi. east of Forest Glen. 1006 Comment
  RSA107451  Antirrhinum vexillocalyculatum subsp. breweri L. S. Rose 1955-7-16 55120 Trinity 1 mi. w. of Junction City, Trinity River. 448 Comment
  UC1239000  Antirrhinum vexillocalyculatum subsp. breweri Freed W. Hoffman 1949-7-17 3025 Trinity 2.7 mi n A. A. Ranch (Mad River); North Coast Ranges, Mad River Comment
  CDA11050  Apocynum androsaemifolium G. F. Hrusa, R. Gross, D. Ragan, A. Buckman 1993-10-23 11440 Trinity Klamath Ranges; Rackerby Ridge, approx. 1 mile directly S of Jackass Springs. Comment
  HSC69765  Apocynum androsaemifolium Thomas W. Nelson, Jane P. Nelson 1977-9-4 3741 Trinity Along F.S. Road 29N30 just S of Pine Root Spring. 1372 Comment
  JEPS49788  Apocynum androsaemifolium W. L. Jepson 1902-7-8 1987 Trinity Dyer's Ranch to Hawkin's Bar (near summit of New R. trail); n.w. Trinity Co. 1219 Comment
  RSA135333  Apocynum androsaemifolium subsp. pumilum Volney Rattan 1883-06 s.n. Trinity [Unspecified] Comment
  JEPS87882  Apocynum cannabinum Vernon H. Oswald and L. Ahart 1994-6-14 6306 Trinity Hwy. 3 n. of Clair Engle Lake and Coffee Creek Station (at bridge over Trinity R.); Trinity River, n of Clair Engle Lake 755 Comment
  HSC70084  Aquilegia eximia Thomas W. Nelson, Jane P. Nelson 1978-6-22 4261 Trinity Along Old Hwy. 3 below entrance to Philpot Campground 762 Comment
  SEINET5721774 Image available Aquilegia formosa Lowell E. Urbatsch, Patricia B. Cox; Alan W. Lievens 1988-1 6143 Trinity In a seep near Dan Rice Creek. Along CA 3 near its intersection with US Forest Service Road 39 NO4. 51.4 road miles north of the junction of CA 3 and CA 299. South of Callahan.; Callahan Comment
  HSC71530  Aquilegia formosa var. formosa J. P. Smith, Thomas W. Nelson 1979-6-26 10223 Trinity Shasta-Trinity National Forest, Philpot Campground on Philpot Creek. 793 Comment
  HSC49130  Arabidopsis thaliana J. P. Smith, J. O. Sawyer, Thomas W. Nelson 1978-5-7 9876 Trinity County Line Rd. along Brown's Creek. 671 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
  HSC72849  Arabis breweri var. breweri Gail Newton 1980-7-1 847 Trinity Near Hayden Roughs 1219 Comment
  HSC74553  Arabis breweri var. breweri M. A. Baker 1980-7-10 2725 Trinity Near Senteney Rock 1554 Comment
  HSC32892  Arabis breweri var. breweri Thomas W. Nelson 1973-5-30 998 Trinity Red Lassic area 1799 Comment
  HSC43348  Arabis breweri var. breweri Maralyn O'Meara 1973-7-4 261 Trinity Near crossing of Ditch Gulch by road to Blue Point, W of N Dubakella Mtn. Comment
  HSC6563  Arabis breweri var. breweri John L. Heywood, D. H. Norris 1968-3-30 1802 Trinity Hwy. 299, 31 mi. E of Humboldt Co. line Comment
  CAS-BOT-BC65371  Arabis eschscholtziana R. C. Wenk 2005-6-18 176 Trinity Coffee Creek, Big Flat Meadow. In vicinity of cabin at N end of Meadow. 1524 Comment
  HSC103900  Arabis glabra Dana York 2010-5-8 2995 Trinity Shasta-Trinity National Forest; ~1.2 km NE of the New River / Trinity River confluence, on spur ridge between rivers. 240 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
  HSC56574  Arabis glabra G. L. Clifton 1979-7-16 7882 Trinity Near S Fork Mtn., close to the town of Mad River 1720 Comment
  HSC72589  Arabis glabra Gail Newton 1980-7-1 816 Trinity Near Hayden Roughs. 1250 Comment
  HSC34444  Arabis holboellii var. pinetorum J. P. Smith, J. O. Sawyer 1973-7-4 7019 Trinity Hillside S and W of S Dubakella Mtn. 1524 Comment
  HSC64404  Arabis holboellii var. retrofracta J. O. Sawyer, R. J. Cole 1978-4-20 3136 Trinity Todd's Cabin, along E Fork of N Fork of Trinity River 762 Comment
  RSA49295  Arabis holboellii var. retrofracta P. A. Munz 1949-5-16 13251 Trinity Half mile above Junction City on Canyon Creek. 549 Comment
  HSC34106  Arabis subpinnatifida M. G. Schmidt 1975-7-10 6 Trinity Hayfork area Comment
  HSC47631  Arabis subpinnatifida J. P. Smith, V. Rumble, E. Rumble 1977-4-30 9058 Trinity Shasta-Trinity National Forest, Blue Point on Blue Point Ridge on Dubakella Mtn. 1585 Comment
  HSC67234  Arabis subpinnatifida Thomas W. Nelson, D. Gordon 1980-5-8 5226 Trinity Shasta-Trinity National Forest, along FS Rd. 1N05 at the copper mine along Copper Mine Hill 1463 Comment
  CAS-BOT-BC171037  Aralia californica L. B. Kildale 1930-9-14 10395 Trinity Trinity River at Big French Creek Comment
  HSC27416  Arbutus menziesii J. P. Smith 1973-4-7 6023 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
  HSC54132  Arbutus menziesii Gilbert Muth 1979-7-17 8300 Trinity Near Barry Creek, close to the town of Mad River 876 Comment
  HSC70579  Arbutus menziesii M. A. Baker 1980-5-23 1410 Trinity Near Tierney Canyon 975 Comment
  HSC104284  Arceuthobium campylopodum Samantha E. Andres 2016-8-14 13 Trinity Up Stoney Ridge Trail, ~1.5 mi. from parking lot 1982 Comment
  UCD39979  Arctostaphylos canescens Rodney Gale Myatt 1971-9-21 1208 Trinity About 1 mi. west of the town of Willow Creek. 426 Comment
  CAS-BOT-BC23947  Arctostaphylos canescens subsp. canescens Lester Rowntree 1938-6-8 s.n. Trinity Near Wildwood Comment
  SJSU10855  Arctostaphylos canescens subsp. canescens H. F. Sebring 1956-4-1 102 Trinity Hayfork 731 Comment
  UC1193048  Arctostaphylos canescens subsp. canescens P. Zinke 1950-6-20 139 Trinity Hills Creek-Cassose Creek divide Quad. 43A2 Comment
  CHSC32720  Arctostaphylos manzanita J. P. Smith; Tom Nelson, Jane Nelson 1976-3-20 8510 Trinity Gray Creek Road, 1/4 mi from its junction with State Route 299. Comment
  SD42574  Arctostaphylos manzanita Carl B. Wolf 1937-6-20 8938 Trinity Along Mad River, 5.8 miles above Eureka. 1500 Comment
  UCD52084  Arctostaphylos manzanita P. L. Johannsen 1933-5-19 177 Trinity Harrison Gulch. 762 Comment
  UCD22545  Arctostaphylos manzanita subsp. roofii James I. Mallory 1970-1-1 368 Trinity Hayfork Valley. Just east of Big Creek Road about 1 mile north of Hayfork Highway. 746 Comment
  HSC26177  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
  JEPS38796  Arctostaphylos nevadensis W. L. Jepson 1897-7-24 14718 Trinity se Trinity Co. Soldier Ridge Comment
  CAS-BOT-BC44493  Arctostaphylos patula C. Hart Merriam 1918-8-27 s.n. Trinity Junction Comment
  HSC67347  Arctostaphylos viscida Thomas W. Nelson, Jane P. Nelson 1980-5-25 5271 Trinity Six Rivers National Forest, above Little Red Mtn. Creek along trail S from Blue Jay Mine 1067 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
  JEPS57162  Arenaria congesta var. suffrutescens L. R. Heckard 1967-8-12 1659 Trinity about 2 air mi. nw Mt. Eddy summit (Ridge) 2255 Comment
  UC1299492  Arenaria congesta var. suffrutescens Freed W. Hoffman 1949-7-17 3045 Trinity 2.p mi nw Red Mountain; North Coast Ranges Comment
  CAS-BOT-BC401714  Argemone munita subsp. munita M. S. Taylor 1980-6-18 2934 Trinity On e side of Midas Saddle Rd, ca. 4 mi n of its jct with Hwy 36, e of Wildwood 1219 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
  UCR45365  Arnica cordifolia M. Bransom, D. Brown, R. Hildebrant, N. Meiselman 1986-5-10 58 Trinity Philpot Campground Comment
  CAS-BOT-BC295829  Arnica dealbata R. Spellenberg; M. Spellenberg 1970-8-24 2510 Trinity Weaver Bally, on a ridge top near the USFS lookout, 9 miles NW of Weaverville by road 2124 Comment
  CAS-BOT-BC82578  Arnica discoidea L. R. Abrams 1916-7-22 6225 Trinity forested north slope between Mad & Trinity Rivers on Eureka - Red Bluff Road Comment
  UC1730213  Arnica discoidea R. Spellenberg 1998-7-7 12491 Trinity ca. 5 mi SE of Burnt Ranch (on USFS extension of Friederich's Rd. up Mill Creek, near site of old bear trap; 2.5 road mi S of Hwy 299) 595 Comment
  UC922279  Arnica discoidea Annie M. Alexander and Louise Kellogg 1949-6-26 5715 Trinity north of, White Rock Ranger Station Yolla Bolly Middle Eel Primitive Area Comment
  RSA271912  Arnica discoidea Christopher Davidson 1975-6-6 2707 Trinity 13.7 mi N of Weaverville on Hwy 3. 823 Comment
  RSA50004  Arnica discoidea E. K. Balls 1949-6-30 13687 Trinity Above Ripstein Camp 762 Comment
  UC297883  Arnica lanceolata subsp. prima Milo S. Baker 1926-8-4 211 a-26 Trinity Stony Creek , Granite Peak 1828 Comment
  UCD129208  Arnica latifolia Joseph M. DiTomaso 1975-8-27 299 Trinity Trinity Alps, 0.5 mile west of Union Creek Trail on Bullards Basin Trail. 1737 Comment
  CHSC115045  Arnica venosa Jane Van Susteren 2007-7-6 08016 Trinity 50 yards upslope from logging road, 1/10 mile N of Eagle creek. 975 Comment
  UCR48632  Arnica venosa R. D. Goeden, Don W. Ricker 1987-9-1 s.n. Trinity Trinity National Forest, Mad River rd. 2.1 km below Bierce Ridge 1131 Comment
  SEINET10473595  Arnica venosa Mary Susan Taylor 1980-7-1 Taylor 3019 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
  RSA211219  Arnica viscosa William J. Ferlatte 1966-8-24 484 Trinity Boulder Creek Basin, tributary to Canyon Creek 1706 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
  CHSC68987  Asarum caudatum Vernon Oswald; Lowell Ahart 1997-7-17 8761 Trinity Forest Route 30 southeast of Ruth Reservoir at Texas Chow Creek. 944 Comment
  HSC56554  Asarum caudatum Walter Overton 1979-7-17 7794 Trinity Near S Fork Mtn., close to the town of Mad River. 1390 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
  SEINET10475898  Asarum caudatum Mary Susan Taylor 1980-6-30 Taylor 2998 Trinity T35N R9W nw sec 2 Trinity Dam quad; Shasta-Trinity Natl Forest; in seep, S side of Rd 34N27, ca. 0.4 mi W of its jct with road to Tannery Gulch Camp ground and Hwy 3, ca. 21 mi NE of Wea verville 792 Comment
  SEINET6810134  Asarum caudatum Unknown 1993-7-14 3273 Trinity 11 road miles NE of Weaverville; Weaverville; 11 road miles NE of Comment
  UC1197612  Asclepias cordifolia Joseph P. Tracy 1942-7-3 17400 Trinity halfway between Kuntz and Hettenshaw; Van Duzen River 975 Comment
  HSC62694  Asclepias cordifolia Michelle Stevens 1979-5-25 138 Trinity Tish Tang Campground 732 Comment
  CAS-BOT-BC222858  Asclepias solanoana John Thomas Howell 1955-7-17 30697 Trinity Southwest of Peanut 762 Comment
  CAS-BOT-BC222863  Asclepias solanoana John Thomas Howell 1955-6-13 30371 Trinity Peanut 762 Comment
  HSC59788  Asclepias solanoana Thomas W. Nelson, Jane P. Nelson 1978-6-23 4315 Trinity Along FS Rd. 30, 1 mi. from junction with Hwy. 36 Comment
  HSC68968  Asclepias solanoana Thomas W. Nelson, Jane P. Nelson 1980-6-22 5730 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
  UCD121360  Asclepias solanoana Thomas W. Nelson; Jane P. Nelson 1980-6-18 5539 Trinity Shasta-Trinity National Forest. Along State Route 3, 0.4 miles south of Salt Creek Bridge. 762 Comment
  CAS-BOT-BC68795  Aspidotis densa John Thomas Howell 1955-7-16 30664 Trinity 1.5 miles north of Douglas City 579 Comment
  CHSC59657  Aspidotis densa B. Williams 1979-5-22 109 Trinity Shasta-Trinity NF/Yolla Bolly Road, 2.5 mi from Hwy 36 on rd 30 (to Pine Root Station), 0.3 mi from turnoff to Mud Springs. 1097 Comment
  HSC47751  Aspidotis densa Thomas W. Nelson, J. P. Smith 1978-5-6 3977 Trinity At Philpot Campground 762 Comment
  UC62539  Aspidotis densa W. C. Blasdale 1896-6-10 Trinity Hyampom 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
  UC922423  Aspidotis densa Annie M. Alexander and Louise Kellogg 1949-6-27 5718 Trinity 1/2 mi w Stuart Gap (n of Yolla Bolly Middle Eel Primitive Area, White Rock Ranger Station, on trail at end of road near Station) 1706 Comment
  RSA211203  Aster ledophyllus William J. Ferlatte 1967-8-6 804 Trinity Upper end of Canyon Creek above the lakes 1738 Comment
  CAS-BOT-BC192867  Astragalus purshii var. lectulus Annie M. Alexander; Louise Kellogg 1949-6-29 5722 Trinity Saddle between North Yolla Bolly and Black Rock Mountains, Yolla Bolly Middle Eel Primitive Area 2103 Comment
  HSC69836  Astragalus rattanii var. rattanii Thomas W. Nelson 1978-5-27 4065 Trinity Along trail to Red Mtn. 1250 Comment
  CAS-BOT-BC200866  Astragalus whitneyi J. P. Smith; J. O. Sawyer 1975-6-23 8273 Trinity Across from entrance to Philpot Campground; On the Peanut to Forest Glenn Road 883 Comment
  CAS-BOT-BC199142  Astragalus whitneyi var. siskiyouensis R. C. Barneby 1954-5-18 11555 Trinity S. of Peanut 792 Comment
  JEPS74503  Astragalus whitneyi var. siskiyouensis W. J. Ferlatte 1967-8-16 934 Trinity e side Packers Peak (Trinity Alps, open rocky slopes); Trinity Alps, e side Packers Peak 2072 Comment
  HSC46707  Astragalus whitneyi var. siskiyouensis J. M. DiTomaso 1976-7-21 648 Trinity Trinity Alps., next to Union Creek, Union Creek Campground at Foster Lake Trail junction. 1799 Comment
  HSC56486  Asyneuma prenanthoides Marvin Butler 1979-7-16 7347 Trinity Near Little Round Mtn., close to the town of Alderpoint. 1219 Comment
  HSC68955  Asyneuma prenanthoides Jacqueline Greenleaf 1980-7-14 220 Trinity Near Van Duzen River 945 Comment
  HSC3819  Asyneuma prenanthoides J. F. Knezevich 1967-7-8 332 Trinity 8 mi. N of Hwy. 299 on W entrance to Ironsides Mtn. at the junction of Ironsides and Salt Log Springs Rds. Comment
  UC922651  Athyrium distentifolium var. americanum Annie M. Alexander and Louise Kellogg 1948-8-17 5496 Trinity s side East Fork Canyon Creek Lake; Trinity Mts 1752 Comment
  HSC12769  Athyrium distentifolium var. americanum William J. Ferlatte, Alice Q. Howard 1970-8-9 1287 Trinity Boulder Creek Lakes; at west end of lower lake 1799 Comment
  HSC41025  Athysanus pusillus J. P. Smith, Thomas W. Nelson, Jane P. Nelson 1976-3-20 8532 Trinity Shasta-Trinity National Forest, White's Bar 427 Comment
  SEINET3167715  Athysanus pusillus R. W. Spellenberg 2010-4-15 14150 Trinity 3 km SE of Burnt Ranch and ca. 1/4 km W of HWy. 299, 1 air km NW of Cedar Flat on open rocky slope at top of "cliffs" ca. 300 m above river 575 Comment
  HSC23639  Avena barbata J. O. Sawyer 1970-5-2 2562 Trinity Above New River 244 Comment
  HSC72528  Avena barbata Gail Newton 1980-7-2 903 Trinity Near Swim Ridge. 1341 Comment
  HSC74093  Avena barbata M. A. Baker 1980-5-25 1614 Trinity Near Browns Canyon. 823 Comment
  HSC23590  Avena fatua J. O. Sawyer 1970-5-2 2562 Trinity Above New River 244 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
  CAS-BOT-BC98618  Baccharis pilularis E. V. Jotter 1912-10-1 243 Trinity Trinity Summit 1524 Comment
  JEPS21271  Baccharis pilularis Joseph P. Tracy 1926-10-7 7808 Trinity Hennessey Road, leading up S. Fork Trinity River Northern Coast Ranges, South Fork of Trinity River 609 Comment
  HSC28790  Balsamorhiza deltoidea J. P. Smith 1973-4-21 6315 Trinity Along Coffee Creek Rd. leading to Coffee Creek Ranch. 610 Comment
  HSC69937  Balsamorhiza deltoidea Thomas W. Nelson 1978-5-27 4060 Trinity Along trail to Red Mtn. 1220 Comment
  HSC68167  Balsamorhiza deltoidea J. P. Smith, J. O. Sawyer 6144 Trinity Coffee Creek Rd., 4.6 mi. W of Hwy. 3 1189 Comment
  CAS-BOT-BC106447  Balsamorhiza sericea Ella Dales Cantelow 1939-6-9 2675 Trinity Summit of Scott Mt. 1630 Comment
  CAS-BOT-BC106448  Balsamorhiza sericea Alice Eastwood; John Thomas Howell 1937-6-25 4996 Trinity Scott Mts. n. of Carrville Comment
  CHSC115024  Balsamorhiza sericea J. O'Brien; S. Puentes 2011-6-8 Trinity N of the Eagle Creek Campground, growing on the W side of the road on the edge of the road bank and up into the forest edge. 848 Comment
  HSC43324  Barbarea orthoceras K. Irwin 1977-7-17 328 Trinity Philpot Campground 1.2 mi. W of Peanut 762 Comment
  UC922006  Beckmannia syzigachne Joseph P. Tracy 1941-6-29 16947 Trinity Hettenshaw Valley 944 Comment
  RSA715879  Beckmannia syzigachne David W. Isle 1996-7-31 296 Trinity From Lily Lake on Rd. to Indian Dick Before Rattlesnake Creek Bridge, 25N1BA (IN02.2) Pond Inventory Designation RI-3 1091 Comment
  UC1225750  Berberis aquifolium var. aquifolium Joseph P. Tracy 1946-6-16 17580 Trinity n of crossing of Trinity Hwy South Fork Mt (at Miller Spring) 1371 Comment
  UC1126262  Berberis nervosa H. A. Jensen Oct 1931 238 Trinity South Fork Mt; Hoaglin Quadrangle Comment
  HSC38991  Bistorta bistortoides J. O. Sawyer, Kevin Sawyer, J. P. Smith 1974-6-29 2652 Trinity Gipson Meadows, along trail to Granite Lake 1951 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
  CHSC114580  Boechera breweri Barbara Williams; Sue Horner 1997-6-24 Trinity Shasta-Trinity National Forests, Hayfork Ranger District; along Post Creek ca. 10 mi. S of Hayfork. 853 Comment
  CAS-BOT-BC16294  Boechera howellii Joseph Prince Tracy 1935-8-8 14712 Trinity Devil's Canyon Mountains. Around White's Creek Lake, head of North Fork of White's Creek. 1981 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
  CHSC32712  Boechera retrofracta D. Boud; M. Eichelberger, T. Messick, T. Ranker 1980-5-3 60 Trinity Philpot Ck. campground. West side of creek. 807 Comment
  JEPS25612  Boechera retrofracta Rimo Bacigalupi 1959-7-2 7245 Trinity Just north of Big Flat, headwaters of Coffee Creek; Salmon Mts. 1511 Comment
  JEPS84885  Boechera rigidissima Joseph P. Tracy 1935-8-3 14469 Trinity Mary Blaine Mt. 1950 Comment
Read comments
Mar 15 2012
  HSC16670  Boschniakia strobilacea L. D. Napier 1962-5-13 Trinity 15 mi. E of Burnt Ranch, Big French Creek, ca. 200 yards off Hwy. 299 457 Comment
  UC1127180  Boykinia major N. French 1932-9-5 6 Trinity Canyon Creek; Trinity Forest, Big Bar Quad. 914 Comment
  CAS-BOT-BC418474  Boykinia major Eugene Carter 1973-9-9 689 Trinity Salmon-Trinity Alps and vicinity. Along the East branch of the North Fork of Trinity River. 1310 Comment
  CHSC115025  Brickellia greenei Jessica O'Brien 2010-8-20 Trinity On the W side of Hwy 3, SW of Usher Hill. Ebert THP. 938 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
  CAS-BOT-BC145432  Briza maxima John Thomas Howell 1955-6-12 30330 A Trinity Weaverville. 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
  HSC82132  Brodiaea elegans subsp. elegans Thomas W. Nelson, Jane P. Nelson 1979-6-26 4939 Trinity Along Philpot Creek at campground 793 Comment
  CAS-BOT-BC155651  Bromus diandrus Eugene Carter 1973-6-7 567 Trinity Around Allbert's Cabin. East Fork of North Fork Trinity River, 3.8 miles North of SR 299, Helena. 518 Comment
  CAS-BOT-BC155652  Bromus diandrus John Thomas Howell 1955-6-12 303306 Trinity Weaverville. Comment
  HSC58507  Bromus hordeaceus Walter Overton 1979-7-18 8738 Trinity Near Horse Ridge, close to the town of Mad River. 1036 Comment
  HSC102673  Bromus hordeaceus J. P. Smith 2009-6-1 12630 Trinity State Route 3. Comment
  UC192368  Bromus laevipes Harry S. Yates 1914-1 385 Trinity Browns Mountain Comment
  UC2062578  Bromus laevipes Belinda Lo 2017-6-18 329 Trinity TRINITY COUNTY: Shasta-Trinity National Forest, ridge above North Fork Trinity River, NNW of Helena. Comment
  UC249790  Bromus laevipes Joseph P. Tracy 1923-6-28 6390 Trinity Northern Coast Ranges, Burnt Ranch Burnt Ranch; Northern Coast Ranges, Burnt Ranch 457 Comment
  HSC23667  Bromus madritensis subsp. rubens J. O. Sawyer 1970-4-18 2513 Trinity Slopes above New River at its junction with the Trinity River. 244 Comment
  JEPS69210  Bromus madritensis subsp. rubens F. P. Cronemiller 1923-7-10 686 Trinity California National Forest, Indian Dick Ranger Station, Foster Glades Foster Glades; California National Forest, Indian Dick Ranger Station Comment
  HSC73312  Bromus tectorum M. A. Baker 1980-7-12 2831 Trinity Near Black Lassic 1753 Comment
  CAS-BOT-BC185584  Bromus tectorum Denning; Grenier; Wooley 1986-5-10 020 Trinity Roadside leading to Philpot Campground. Comment
  CAS-BOT-BC273306  Cacaliopsis nardosmia Harry S. Yates 1919-5-20 7 -102 Trinity Trinity National Forest. East Weaver Creek Comment
  RSA273362  Cacaliopsis nardosmia Thomas W. Nelson 1976-6-10 2689 Trinity Along road 6E42. 1220 Comment
  CAS-BOT-BC185437  Calamagrostis breweri C. L. Hitchcock; J. S. Martin 1939-7-11 5413 Trinity Lower Canyon Creek Lake, 10 miles west of Dedrick, Salmon-Trinity Alps. 1889 Comment
  CAS-BOT-BC185438  Calamagrostis breweri C. L. Hitchcock; J. S. Martin 1939-7-11 5413 Trinity Lower Canyon Creek Lake, 10 miles west of Dedrick, Salmon-Trinity Alps. 1889 Comment
  HSC78431  Calamagrostis koelerioides John S. Palmer 1974-9-15 286 Trinity Bear Lakes Area, rock chute SW of Big Bear Lake 1860 Comment
  CAS-BOT-BC85705  Calocedrus decurrens G. R. Kleeberger 1879-9-20 s.n. Trinity Foot-hills near Weaverville Comment
  HSC69928  Calocedrus decurrens Thomas W. Nelson, J. O. Sawyer 1978-6-9 4122 Trinity Red Mtn. 1250 Comment
  RSA258841  Calocedrus decurrens Thomas W. Nelson, James Nelson 1973-5-20 915 Trinity Red Lassic area 1799 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
  HSC40510  Calochortus nudus J. O. Sawyer, K. A. Sawyer, J. P. Smith 1974-6-25 2593 Trinity Along trail to Granite Lake 1585 Comment
  JEPS82735  Calochortus nudus Wayne Roderick 1979-7-11 Trinity near Siskiyou Co. line (Mumbo Basin); Mumbo Basin 1737 Comment
  SEINET10971612  Calochortus nudus var. shastensis Mary Susan Taylor 1980-7-23 Taylor 3183 Trinity Shasta-Trinity Natl Forest, on N side of Upper Bluff Lake Road (40N98A), in meadow in Yellow Pine Forest, ca. 19.6 mi NE of Trumble's Ranch on Hwy 3 via rd 42N17. 2073 Comment
  HSC34715  Calochortus tolmiei Robert M. Specht 1975-5-16 189 Trinity Trails above the Trinity River at Grays Falls Campground 310 Comment
  HSC67246  Calochortus tolmiei Thomas W. Nelson 1980-5-30 5351 Trinity Shasta-Trinity National Forest, along Rd. 60/Underwood Mtn. Rd., 6.6 mi. S of junction with Hwy. 299 1067 Comment
  UC423001  Calochortus tolmiei H. S. Yates 1914-5-15 268 Trinity near Weaverville Comment
  UCR39776  Calochortus tolmiei Dave Bjornbak, M. Mayer, Steve Meredith 1985-4-19 16 Trinity Steelbridge campground 610 Comment
  HSC32298  Calochortus tolmiei Steven Lagos 1974-5-12 67 Trinity Grays Falls Campground along trail to Isolation Mine Comment
  HSC34843  Calochortus tolmiei Thomas W. Nelson 1975-5-17 1816 Trinity Across the Trinity River from Douglas City Comment
  HSC73429  Calochortus tolmiei S. R. Ahrens, L. Sieburth, B. Potter 1981-4-25 23 Trinity Near parking area at Grays Falls 274 Comment
  RSA256748  Calochortus tolmiei R. M. Sullivan 1975-5-16 71 Trinity Trails above the Trinity River at Grays Falls Campground. (Humboldt Meridian) 310 Comment
  CAS-BOT-BC132647  Calochortus uniflorus Alice Eastwood; John Thomas Howell 1937-6-25 4930 Trinity Preacher Meadow Comment
  CAS-BOT-BC132648  Calochortus uniflorus Lester Rowntree 1936-7-16 s.n. Trinity Granite Creek, Trinity Mts. 2133 Comment
  HSC31674  Calochortus uniflorus D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5676 Trinity 8 mi. W on 1S07 from its junction with the county road. Comment
  UCD95566  Caltha leptosepala Joseph M. DiTomaso 1975-6-18 28 Trinity Trinity Alps. Willow Creek on Deer Creek Trail. Comment
  UC176216  Calypso bulbosa Miss Helen M. MacIlvain 1913-5-9 Trinity Carrville Comment
  HSC30207  Calypso bulbosa William J. Ferlatte 1968-6-9 1147 Trinity Big Flat, lower slope of Packers Peak 1677 Comment
  HSC54337  Calyptridium monospermum G. L. Clifton 1979-7-16 7823 Trinity Near Pickett Peak, close to the town of Mad River 1695 Comment
  HSC38956  Calyptridium monospermum Thomas W. Nelson, Jane P. Nelson 1976-5-23 2540 Trinity Branch of Shanty Creek along E side of Black Lassic 1555 Comment
  CDA23943  Calyptridium umbellatum G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2725 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
  HSC92976  Calyptridium umbellatum Jennifer Whipple 1977-7-22 2058 Trinity Deadfall Creek Drainage 2348 Comment
  RSA394941  Calystegia malacophylla N. G. Sugihara 1977-5-21 56 Trinity Eagle Creek Campground. 851 Comment
  CDA39864  Calystegia malacophylla G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2721 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
  HSC24118  Calystegia malacophylla J. O. Sawyer 1971-7-7 2407 Trinity E of Weaver Bally 1738 Comment
  SD113570  Calystegia malacophylla Darley F. Howe 1977-6-30 4968 Trinity Weaver Bally Road. 1310 Comment
  SD98935  Calystegia malacophylla Darley F. Howe 1977-6-30 249 Trinity Weaver Bally Road. 1310 Comment
  UC130624  Calystegia malacophylla subsp. malacophylla H. M. Hall July 1909 8670 Trinity Dorleska Salmon Mountains, Dorleska (on gravel slopes, Salmon Mountains) 1981 Comment
  HSC67468  Calystegia occidentalis subsp. occidentalis Thomas W. Nelson, Jane Nelson 1980-5-25 5333 Trinity Along Covelo-Zenia Rd., 1.5 mi. S of Lake Mtn. Ranch. 823 Comment
  SEINET10462959  Campanula prenanthoides Muth 1979-7-18 MUTH 8391 Trinity Near Deep Hollow Creek, on the Kettenpom quadrangle, close to the town of Mad River, gravelly soil. 1067 Comment
  SEINET10462883  Campanula prenanthoides Baker 1979-7-4 Baker 1002 Trinity Cut and burned area. T26N R12W OF SECT 12. Comment
  SEINET10463006  Campanula prenanthoides Yates 1914-7-13 YATES 483 Trinity Stuart's Comment
  SEINET10840314  Campanula prenanthoides L. J. Uttal 1975-7-18 Uttal 11448 Trinity Route 299, rock wall at Trinity River bridge, 3 miles southeast of Salyer Comment
  JEPS87804  Campanula rotundifolia Vernon H. Oswald and Lowell Ahart 1994-8-1 6430 Trinity ca. 2.5 mi. (air) w. Mt. Eddy (Forest Rd. 40N45 at Bear Creek, 1.8 mi. s. of Forest Rd. 17) 1889 Comment
  UC195263  Campanula rotundifolia Annie M. Alexander and Louise Kellogg 1911-8-16 339 Trinity Head Bear Creek 1950 Comment
  HSC98487  Campanula scabrella Dana York 2009-7-19 2986 Trinity About 82 km WNW of Redding, Shasta-Trinity National Forest, on Thurston Peaks (Limestone Ridge). 2235 Comment
  HSC47642  Capsella bursa-pastoris J. P. Smith, V. Rumble, E. Rumble 1977-4-30 9049 Trinity Shasta-Trinity National Forest, Philpot Campground and Philpot Creek 793 Comment
  HSC200  Cardamine californica William J. Ferlatte 1967-7-7 651 Trinity Head of Union Creek 1982 Comment
  HSC23560  Cardamine californica J. O. Sawyer 1970-4-18 2497 Trinity Above New River. 244 Comment
  SFV18689  Cardamine californica P. Wilson, M. Mesler 2003-3-2 3888 Trinity Gray Falls Camp off US-299. 290 Comment
  UC1199196  Cardamine nuttallii var. covilleana Joseph P. Tracy 1933-7-16 12763 Trinity South Fork Mountain Northern Coast Ranges, South Fork Mountain 1645 Comment
  HSC26415  Cardamine oligosperma J. P. Smith, J. O. Sawyer 1973-3-11 5860 Trinity Trail along the Trinity River and New River beginning at Grays Falls. Comment
  UCD114544  Cardamine oligosperma D. C. Hagar 1957-5-14 63 Trinity Grays Flat, 5 miles southeast of Salyer. 304 Comment
  CAS-BOT-BC17870  Carex amplifolia Eugene Carter 1973-9-9 690 Trinity Salmon-Trinity Alps and vicinity. Along the East Branch of the North Fork of Trinity River. 1310 Comment
  HSC81557  Carex amplifolia Thomas W. Nelson, Jane P. Nelson 1980-7-21 6152 Trinity Along Eagle Creek Trail, 1/4 mi. W of trail head at Horse Flat Camp, at wet spring 1098 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
  CAS-BOT-BC19570  Carex bolanderi Philip Alexander Munz 1951-7-17 16590 Trinity Grasshopper Public Camp, 2.5 miles NW of Stuart Gap, North Yolla Bolly Mountains. 1432 Comment
  HSC64242  Carex bolanderi J. O. Sawyer, Thomas W. Nelson 1978-6-9 3182 Trinity Trail to Red Mtn. 1220 Comment
  RSA50009  Carex bolanderi E. K. Balls 1949-6-30 13695 Trinity 1/2 mile above Dedrick, Canyon Creek. 732 Comment
  CAS-BOT-BC428040  Carex brainerdii Julie K. Nelson 2001-5-16 2001 -041 Trinity Ca. 10 miles NNE of Trinity Lake; Graves Creek at Hwy. 3. 944 Comment
  CAS-BOT-BC19669  Carex brainerdii Alice Eastwood; John Thomas Howell 1937-6-25 4964 Trinity Trinity River Canyon at Eagle Creek. Comment
  SEINET7552655 Image available Carex brainerdii John Thomas Howell, T. C. Fuller; G. D. Barbe 1980-5-20 53519 Trinity Open Sandy, gravelly flat in Transition Zone, One-eye Flat, ca. 1.7 mi. north of carrville. Trinity River Canyon. 756 Comment
  CAS-BOT-BC34386  Carex cusickii Mrs. H. C. Cantelow 1936-5-22 s.n. Trinity Scott Ranch, 3 miles from Trinity Center. Comment
  CHSC115739  Carex deflexa var. boottii Peter F. Zika; Barbara Wilson 2011-7-31 25685 Trinity Bear Creek drainage, FS Road 40N45, 1.7 road miles S of junction with FS Road 17, 1 air mile W of SE of Deadfall Lakes, Klamath Range. 1935 Comment
  CAS-BOT-BC20526  Carex densa John Thomas Howell 1955-6-14 30411 Trinity Weaverville. 609 Comment
  CHSC98365  Carex densa Thomas W. Nelson; Jane P. Nelson 1986-5-24 8073 Trinity North Coast Ranges. Beside Trinity River ca 100 yds upstream from mouth of Indian Creek. 504 Comment
  HSC69949  Carex densa Thomas W. Nelson, Jane P. Nelson 1978-6-21 4223 Trinity Along Trinity River flood plain, 100 m above the mouth of Indian Creek. 488 Comment
  SEINET7556716 Image available Carex densa Juha Pykala, D. H. Norris 1987-6-15 1710 Trinity About 1.5 miles W of Wildwood, by Highway 36. 1050 Comment
  CHSC81926  Carex echinata subsp. echinata L. P. Janeway 2001-5-28 7073 Trinity Klamath Ranges. At large open meadow just east of Goat Camp Spring; near top of Brushy Mountain (ridge), near Road 29N28 5.5 km north of junction of roads 30 and 35 which is the junction of Shasta, Tehama, and Trinity Counties. 1400 Comment
  HSC26693  Carex echinata subsp. echinata William J. Ferlatte 1972-8-7 1426 Trinity Boulder Creek Lakes 1829 Comment
  UC709393  Carex feta Joseph P. Tracy 1941-6-29 16940 Trinity Hettenshaw Valley 944 Comment
  HSC70109  Carex fracta Thomas W. Nelson, Jane P. Nelson 1978-6-22 4291 Trinity Along Dubakella Rd., 4.8 mi. from junction with Hwy. 36 1527 Comment
  HSC39253  Carex fracta D. E. Anderson, D. Santana, J. Lackey 1971-7-15 5245 Trinity Spur road to logging landings, 0.8 mi. from jct. with FS Rd. 1S07 Comment
  SEINET10955342  Carex fracta Thomas W. Nelson, Jane P. Nelson 1979-5-26 Nelson 4703 Trinity Weaverville Quad. T32N, R9W, Sec. 5. Growing on wet aluvial soil on flood plain of Trinity River 100 m above mouth of Indian Creek. 488 Comment
  UCSB63733  Carex geyeri Janeway, L. 1996-6-29 Trinity Papoose Creek quad., T35N, R7W, SE 1/4 of NE 1/4 of sec. 33; near top of un-named peak (1290 m. elev. at top); 1.2 mi. stright north-northeast of Trinity Mountain; above dirt road 1.7 mi. from Van Ness Canyon Rd. 1260 Comment
  HSC82289  Carex hassei Thomas W. Nelson, Jane P. Nelson 1979-6-15 4821 Trinity Trinity-Siskiyou County line, head of Scott Mtn. Creek at Scott Mtn. Campground. 1646 Comment
  JEPS102220  Carex hassei L. P. Janeway 2001-5-28 7074 Trinity Klamath Ranges. At large open meadow just east of Goat Camp Spring; near top of Brushy Mountain (ridge), near Road 29N28 5.5 km north of junction of roads 30 & 35 which is at the junction of Shasta, Tehama, and Trinity Counties. 1400 Comment
  JEPS109615  Carex hassei Dean W. Taylor 2002-6-4 18100 Trinity Swift Creek, Trinity River watershed west of Clair Engle Reservoir 1036 Comment
  JEPS121595  Carex hassei 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, NW aspect. Mumbo Basin quadrangle. WBCC01H Comment
  CHSC44661  Carex hoodii L. P. Janeway 1983-5-28 313 Trinity Along rd on W side of Trinity River ca 1/2 mi N of Eagle Creek campground. 853 Comment
  CHSC93266  Carex hoodii Thomas Nelson; James Nelson 1976-6-10 2666 Trinity The Lassics. Adjacent to Senteney Rock. 1524 Comment
  RSA783706  Carex inops Barbara L. Wilson, Nick Otting 2010-5-20 16013 Trinity Castle Creek Road. 724 Comment
  SEINET8067864 Image available Carex inops B. Wilson, Otting, N 2010-1 16013 Trinity Castle Creek Road. Comment
  CAS-BOT-BC7663  Carex integra R. Tallent 1987-8-14 932 Trinity Along creek just above Landers Lake. Trinity Alps Wilderness. 2165 Comment
  CAS-BOT-BC7669  Carex integra Rimo Bacigalupi 1959-7-2 7237 Trinity Just north of Big Flat, headwaters of Coffee Creek; Salmon Mts. region. 1511 Comment
  CAS-BOT-BC7665  Carex integra William J. Ferlatte 1974-8-16 1654 Trinity Siligo Peak-Summit Lake area. Boggy area below west side of Summit L. 2194 Comment
  CAS-BOT-BC7667  Carex integra Joseph Prince Tracy 1932-7-15 10589 Trinity Trinity Summit. Ridges east of Corral Prairie. 1828 Comment
  CAS-BOT-BC31314  Carex lenticularis var. impressa Philip Alexander Munz 1951-7-18 16646 Trinity North slope of North Yolla Bolly Peak, Trinity-Tehama county line. 1950 Comment
  RSA27077  Carex lenticularis var. lipocarpa C. L. Hitchcock, J. S. Martin 1939-7-11 5400 Trinity South shore of Upper Canyon Creek Lake, 11 miles north of Dedrick, Salmon-Trinity Mountains. 1890 Comment
  RSA88659  Carex leptalea subsp. leptalea J. T. Howell 1936-8-23 12703 Trinity Near Trinity Center Comment
  CHSC98566  Carex luzulina Thomas W. Nelson; Jane P. Nelson 1983-7-29 7567 A Trinity North Coast Ranges. Along Forest Service road 39N26 via Forest Service road 38N15 in Mumbo Basin 13.1 miles from junction with State Route 3. 1584 Comment
  CAS-BOT-BC31555  Carex luzulina var. luzulina P. A. Munz 1951-7-21 16802 Trinity South slope of North Yolla Bolly Peak. 2270 Comment
  CAS-BOT-BC31769  Carex mariposana Annie M. Alexander; Louise Kellogg 1948-8-10 5469 Trinity Trinity Mountains, Upper Canyon Creek Lake. 1767 Comment
  CAS-BOT-BC443952  Carex multicaulis Dana York 2010-4-24 2990 Trinity Shasta-Trinity National Forest in the New River Canyon, 3.2 river km above confluence with the Trinity River. 290 Comment
  RSA49626  Carex multicaulis Phillip A. Munz 1949-5-15 13237 Trinity 1 mile below Dedrick. 915 Comment
  SEINET7568471 Image available Carex multicaulis John Thomas Howell, T. C. Fuller, G. D. Barbe 1980-5-20 53502 Trinity About 6 miles southwest of Trinity Center on road to Weaverville. 884 Comment
  JEPS74624  Carex nigricans William J. Ferlatte, Alice Q. Howard 1970-8-12 1310 Trinity ridge w upper Canyon Cr. 2316 Comment
  HSC82619  Carex nudata Thomas W. Nelson, Jane P. Nelson 1979-5-26 4738 Trinity Eagle Creek Campground 823 Comment
  CHSC106160  Carex pachystachya Peter F. Zika 2009-6-18 24532 Trinity Klamath Range (KR), west side of Route 3. 1110 Comment
  CHSC43989  Carex pellita L. P. Janeway 1987-6-29 2374 Trinity Old floodplain of Trinity River near mouth of Grass Valley Cr; 'Lowden Ranch'. 533 Comment
  SEINET3907332  Carex rossii Thomas Nelson 1978-7-2 4395 Trinity Along Mule Ridge.; 0 1585 Comment
  CAS-BOT-BC117920  Carex scabriuscula Alice Eastwood; John Thomas Howell 1937-6-25 5017 Trinity Scott Mountain summit N of Carrville. Comment
  CAS-BOT-BC278772  Carex scabriuscula Peter F. Zika; Barbara Wilson 2011-7-31 25686 Trinity Bear Creek drainage, FS Road 40N45, 1.7 road miles S of junction with FS Road 17, 1 air mile W of SE-most of the Deadfall Lakes, Klamath Range (KR) 1935 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
  HSC33314  Carex scabriuscula William J. Ferlatte 1974-8-15 1624 Trinity Siligo Peak-Summit Lake area, rocky crest of ridge between Summit Lake and Deer Lake 2348 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
  JEPS121635  Carex scopulorum Danielle Roach 2011-9-20 Trinity Deadfall Meadow, west slope Mt. Eddy. Flat wet meadow, over glacial till. South China Mountain quadrangle. NM1_E 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
  RSA211373  Carex scopulorum var. bracteosa William J. Ferlatte 1967-7-7 655 Trinity Trinity Alps: Head of Union Creek. 1982 Comment
  RSA0069321  Carex serratodens Dean Wm. Taylor 2014-5-29 21482 Trinity Watershed North Fork Hayfork Creek, draining south from Hossimbim Mountain. 1332 Comment
  HSC103285  Carex serratodens John McRae 2013-8-24 Trinity Six Rivers National Forest, Sims Mtn. Quad, Hog Ranch - Underwood Mtn. 857 Comment
  SEINET3908144  Carex serratodens Barbara L. Wilson, Keli Kuykendall; Julie Nelson; Bruce Newhouse 2001-7-10 10532 Trinity Shasta-Trinity National Forest: Regan Meadow; within one miles of forest service road 28N10 on forest service road 28N68.; 0 1330 Comment
  SEINET7575214 Image available Carex serratodens Robert F. C. Naczi 1993-7-14 3285 Trinity Ca 10 mi SE of Callahan, along E side of route 3 at its crossing of Rice Creek. 1372 Comment
  HSC76781  Carex straminiformis John S. Palmer 1976-7-13 491 Trinity Bear Lakes Area, ridge SW of Bear Lake 2058 Comment
  CHSC90214  Carex subfusca L. P. Janeway 2001-5-28 7071 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). At middle of small meadow. 1400 Comment
  CHSC90220  Carex subfusca L. P. Janeway 2001-5-28 7075 Trinity Klamath Ranges. Near large open meadow just east of Goat Camp Spring; near top of Brushy Mountain (ridge), near Road 29N28 5.5 km north of junction of roads 30 and 35 which is at the junction of Shasta, Tehama, and Trinity Counties. 1400 Comment
  JEPS109692  Carex subfusca Dean W. Taylor 2002-6-12 18134 Trinity Highway 3 ca. 1 mile South of Trinity Center, eastern edge of the roadway 822 Comment
  CAS-BOT-BC115814  Carex subfusca John Thomas Howell 1955-6-13 30391 Trinity Hayfork. 716 Comment
  RSA125890  Carex subfusca Peter H. Raven, Richard Snow 1958-7-19 13620 Trinity Moist spot near China Springs, along road 6.8 miles north of Helena. Comment
  UC1158126  Carex subfusca Joseph P. Tracy 1942-7-3 17390 Trinity near Kuntz; Van Duzen River 792 Comment
  CAS-BOT-BC115178  Carex vesicaria R. Tallent 1987-8-14 930 Trinity Trinity Alps Wilderness. Dry pond bed NW of Landers Lake. 2164 Comment
  CHSC82148  Carex vesicaria L. P. Janeway 2001-7-15 7334 Trinity Klamath Ranges. At Foss Camp Spring, 1.3 km south of Red Mountain; head of Red Mountain Creek. Around edge of small pond just above the spring. 1390 Comment
  CAS-BOT-BC115177  Carex vesicaria Joseph Prince Tracy 1935-7-24 14206 Trinity Borders of pond on bench east of Ranger Station, Trinity Summit. 1828 Comment
  HSC91284  Carex whitneyi Jennifer Whipple 1976-7-23 1503 Trinity Deadfall Creek drainage 2317 Comment
  HSC7792  Cassiope mertensiana subsp. ciliolata J. P. Tracy 1935-8-7 14611 Trinity Devil's Canyon Mtns., at head of White's Creek 2073 Comment
  JEPS123159  Castanopsis chrysophylla var. sempervirens D. Burge and J. Nelson with Jepson Herbarium workshop participants 2015-6-27 JHWS- 133 Trinity Bonanza King Comment
  SBBG93329  Castilleja applegatei W. J. Ferlatte 1975-8-24 1720 Trinity E edge of Siligo Meadows 2225 Comment
  SEINET10582739  Castilleja applegatei W. J. Ferlatte 1975-8-24 Ferlatte 1724 Trinity Trinity Dam Quadrangle. Slope above and to south of Deer Lake between Deer Creek Pass and Siligo Peak. 2256 Comment
  CAS-BOT-BC241154  Castilleja applegatei subsp. pinetorum Alice Eastwood; John Thomas Howell 1937-6-25 4956 Trinity Between Coffee and Eagle creeks Comment
  CAS-BOT-BC241171  Castilleja applegatei subsp. pinetorum Eugene Carter 1971-7-26 315 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity. (18 mi. NW of Weaverville) North slope of Hill 6135, 2 mi. west of Hobo Gulch 1828 Comment
  CAS-BOT-BC241172  Castilleja applegatei subsp. pinetorum Annie M. Alexander; Louise Kellogg 1949-7-1 5743 Trinity East end of saddle. Saddle between North Yolla Bolly and Black Rock Mountains, Yolla Bolly Middle Eel Primitive Area 2103 Comment
  CHSC35609  Castilleja applegatei subsp. pinetorum Thomas W. Nelson; Jane Nelson 1980-6-19 5640 Trinity Shasta-Trinity National Forest. Along road 29N58, Rattlesnake Ridge, at junction with road 29M67. 1341 Comment
  HSC20566  Castilleja applegatei subsp. pinetorum D. W. Snell 1964-5-3 61 Trinity 7 mi. W of Del Loma on Hwy. 299, overlooking the Trinity River Comment
  HSC30758  Castilleja applegatei subsp. pinetorum Thomas W. Nelson 1973-5-30 991 Trinity Along Mule Ridge 1372 Comment
  HSC68671  Castilleja applegatei subsp. pinetorum Thomas W. Nelson, Jane P. Nelson 1980-6-17 5533 Trinity Shasta-Trinity National Forest, along FS Rd. 1N12, 1.1 mi. from junction with FS Rd. 2N07 1006 Comment
  HSC70110  Castilleja applegatei subsp. pinetorum Thomas W. Nelson, Jane P. Nelson 1978-6-23 4340 Trinity Along road to Hell to Find Lake. Comment
  JEPS23290  Castilleja applegatei subsp. pinetorum Rimo Bacigalupi 1959-7-1 7217 Trinity 1 mi n mouth of Coffee Creek (canyon of Trinity River); Trinity River 762 Comment
  HSC40346  Castilleja attenuata Linda M. Barker, Raul Tuazon 1976-5-2 1452 Trinity Along Hwy. 299 and Little Prairie 366 Comment
  HSC81881  Castilleja attenuata Thomas W. Nelson, Dave Gordan 1980-5-7 5167 Trinity E side of Vista Lane, 5 mi. N of junction with Highland Dr., 3 mi. N of Hyampom Rd. 671 Comment
  HSC90175  Castilleja attenuata Andrew Enberg, Brad Penkala, Dan Scofield 1990-4-28 70 Trinity Burnt Ranch Campground, Hwy. 299, 1 mi. W of Burnt Ranch 396 Comment
  CHSC53647  Castilleja exserta subsp. exserta Joyce Lacey 1987-6-22 Trinity Trinity River near mouth of Grass Valley Cr; flat mdw-wetland area on N side of Lewiston Rd 1.8 mi from hwy 299. 'Lowden Ranch. 533 Comment
  UC1037428  Castilleja miniata Douglas Barbe 1955-8-3 335 Trinity 1.5 mi s Scott Mountain Forest Camp (along Scott Mountain Road) 1524 Comment
  CHSC117338  Castilleja miniata subsp. miniata L. P. Janeway; B. Castro 2016-8-1 12126 Trinity Klamath Ranges. Tamarack Lake, Trinity Mountains. 1785 Comment
  JEPS128100  Castilleja miniata var. miniata Julie Kierstead Nelson with Heath Bartosh, Jepson Yolla Bolly Workshop 2017-7-14 2017 -026 Trinity Yolla Bolly Wilderness; Black Rock Lake. Comment
  HSC104275  Castilleja pilosa Samantha E. Andres 2016-6-19 20 Trinity About .5 mi. along the Pacific Crest Trail from Boulder Lake to Scott Mountain Summit parking lot 2134 Comment
  HSC35144  Ceanothus arcuatus A. Montalvo 1975-5-17 264 Trinity Middle Fork of Philpot Creek and Philpot Campground on Plummer Peak Rd. 825 Comment
  CAS-BOT-BC48661  Ceanothus cordulatus Elizabeth McClintock 1956-6-15 s.n. Trinity Along East Fork of Coffee Creek, on trail to Stoddard Lake Comment
  CAS-BOT-BC48662  Ceanothus cordulatus John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-20 53508 Trinity One-eye Flat, about 1.7 miles north of Carrville, Trinity River Canyon 755 Comment
  RSA21676  Ceanothus cordulatus Carl B. Wolf 1937-8-12 9160 Trinity North Coast Range, South Fork Mountain, 8.3 miles south of Cold Spring Lookout. 1372 Comment
  UC922292  Ceanothus cordulatus Annie M. Alexander and Louise Kellogg 1949-7-5 5779 Trinity saddle between North Yolla Bolly and Black Rock Mountains Yolla Bolly Middle Eel Primitive Area 2103 Comment
  CAS-BOT-BC49165  Ceanothus cuneatus Doris Kildale 1931-5-30 10802 Trinity Weaverville Comment
  HSC18266  Ceanothus cuneatus L. H. Myers 1963-4-14 33 Trinity Along Hwy. 299 10 mi. W of Weaverville Comment
  HSC18271  Ceanothus cuneatus John L. Heywood, D. H. Norris 1968-3-30 1781 Trinity 8.94 mi. E of Humboldt County Line on Hwy. 299 Comment
  HSC41994  Ceanothus cuneatus Ed Cope 1977-5-7 56 Trinity Blue Point on Blue Point Ridge 1573 Comment
  LA42060  Ceanothus cuneatus Carl Epling; William Robison 1935-7-20 sn Trinity Fawn Lodge near Weaverville Comment
  CAS-BOT-BC49157  Ceanothus cuneatus T. Worley; M. Mill; F. Rosenthal 1985-5-11 70 Trinity H.M. Dubakella Mountain Road 853 Comment
  CDA35562  Ceanothus cuneatus G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2739 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
  OBI33228  Ceanothus cuneatus var. cuneatus David J. Keil 1983-7-3 17360 Trinity Ca 10-12 mi S of Scott Mtn Pass on SR 3 Comment
  CAS-BOT-BC50964  Ceanothus integerrimus Alice Eastwood; John Thomas Howell 1937-6-25 4954 Trinity Between Eagle and Coffee Creeks Comment
  CAS-BOT-BC50973  Ceanothus integerrimus Alice Eastwood 1921-7-22 10692 Trinity Forest Glen Comment
  CHSC27301  Ceanothus integerrimus T. B. Devine 1976-8-8 356 Trinity Growing beside Hwy 3 at n end of Clair Engle Lake. Comment
  HSC18297  Ceanothus integerrimus D. E. Anderson 1963-9-21 2844 Trinity Along Trinity River 0.5 mi E of Willow Creek, along rd. Comment
  HSC55491  Ceanothus integerrimus Gilbert Muth 1979-7-18 8358 Trinity Near Deep Hollow Creek, close to the town of Mad River 1006 Comment
  HSC59089  Ceanothus integerrimus Clark L. Miller 1979-5-19 9 Trinity Along rd. to Hobo Gulch Campground from Hwy. 299 396 Comment
  HSC72852  Ceanothus integerrimus Gail Newton 1980-7-2 896 Trinity Near Swim Ridge 1341 Comment
  HSC74041  Ceanothus integerrimus Gail Newton 1980-7-10 1279 Trinity Near Senteney Rock 1463 Comment
  HSC74805  Ceanothus integerrimus Gail Newton 1980-7-9 1073 Trinity Near Shanty Creek. 1113 Comment
  OBI35858  Ceanothus integerrimus David J. Keil 1983-7-3 17352 Trinity Ca. 19 mi NE of jctn with SR 299 on Sr3 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
  RSA399892  Ceanothus integerrimus M. B. Dunkle 1936-8-20 4847 Trinity Trinity Rier near Hoopla Comment
  SD114092  Ceanothus integerrimus var. macrothyrsus Darley F. Howe 1977-6-30 4971 Trinity Weaver Bally Rd. 1310 Comment
  CAS-BOT-BC50625  Ceanothus lemmonii Alice Eastwood; John Thomas Howell 1937-6-25 4917 Trinity Minersville to Trinity Center Comment
  HSC90057  Ceanothus lemmonii Grefsrud, Reed, Rohmer 1990-4-28 79 Trinity Junction of Hwy. 299 and Pumphouse Rd. 473 Comment
  HSC92122  Ceanothus lemmonii Bruce Delgado, Tim Tilghman, Rob Marheine 1987-4-25 Trinity Ridge E of Steelbridge Campground Rd. 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
  UC79818  Ceanothus prostratus A. W. Anthony 1899-1 Trinity Comment
  RSA66869  Ceanothus prostratus var. occidentalis P. A. Munz 1951-7-17 16558 Trinity Grasshopper Public Camp, 2.5 mi NW of Stuart Gap, North Yolla Bolly Mtns. 1402 Comment
  HSC100259  Ceanothus thyrsiflorus J. P. Smith, , J. O. Sawyer, & R. J. Cole 2011-7-22 13317 Trinity Along South Shore Drive, S of Whiskeytown Lake. 431 Comment
  UCD112763  Ceanothus velutinus Joseph M. DiTomaso 1976-6-29 505 Trinity Stuarts Fork Trail below Emerald Lake. 1524 Comment
  SEINET10544797  Ceanothus velutinus Jones 1985-5-31 Jones 79 Trinity T38n,r7w,sec.16, eagle creek campground, shasta-trinity ntl. Forest. Jeffrey Pin, manzanita, ceanothus, incense cedar habitat. Sandy soil, sunny location 832 Comment
  HSC36026  Centaurea solstitialis J. P. Smith, J. O. Sawyer 1973-7-28 7212 Trinity Weaverville Comment
  HSC42465  Cephalanthera austiniae Robert M. Specht 1977-7-1 1140 Trinity 1555 Comment
  HSC16593  Cephalanthera austiniae R. Spellenberg 1963-6-16 162 Trinity Ironsides Mtn., Burnt Ranch. About 6 mi. S of lookout on road Comment
  HSC40823  Cephalanthera austiniae Thomas W. Nelson, Jane P. Nelson 1976-6-22 2845 Trinity Road below Red Rock 1463 Comment
  UC922354  Cerastium arvense Annie M. Alexander and Louise Kellogg 1949-7-11 5787 Trinity n.w. of Trinity Center (Union Creek, S. branch of Coffee Creek); Union Creek 1828 Comment
  UCD97990  Cerastium arvense subsp. strictum Alfred H. Murphy 1957-7-23 57 H Trinity Deadfall Creek east of Mt. Eddy, Shasta National Forest. 2011 Comment
  CAS-BOT-BC207656  Cercis occidentalis T. Worley; M. Mill; F. Rosenthal 1985-4-20 9 Trinity Shasta-Trinity Nationalional Forest, Steelbridge Campgound, Sec. 24, T33N, R9W, H.M. 536 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
  HSC59724  Cercis occidentalis Clark L. Miller 1979-4-13 596 Trinity Grays Falls Campground along path to Trinity River Comment
  SEINET10906970  Cercis occidentalis Mary Merello 1993-6-21 Merello 672 Trinity Shasta-Trinity National Forest, Whiskeytown Recreational Area. Slopes around the Trinity Alps Marina. Fairview Boat Launch. Trinity Dam Road off State Hwy. 3. Disturbed forest of mixed conifer and oak. 780 Comment
  SFV18495  Cercis occidentalis D. Waller 2002-5-7 89 Trinity Near Willow Creek, 5 miles south on South Fork Road. 335 Comment
  UC863546  Cercis occidentalis C. Epling and Wm. Robison 1935-7-21 Trinity Weaverville Comment
  RSA1095  Cercocarpus betuloides E. R. Johnson 1928-8-27 1161 Trinity Lowden's Ranch., 4 mi. SW of Lewiston. 538 Comment
  UC466592  Cercocarpus betuloides var. betuloides Harry S. Yates 1914-6-18 445 Trinity Rush Creek 822 Comment
  UC1193188  Cercocarpus betuloides var. macrourus P. Zinke 1950-6-20 135 Trinity Hulls Creek-Casoose Creek Divide, Outside National Forest Hulls Creek-Casoose Creek Divide; Outside National Forest, Hulls Creek-Casoose Creek Divide 1645 Comment
  HSC55544  Cercocarpus montanus var. glaber Gilbert Muth 1979-7-18 8766 Trinity Near Armstrong Creek, close to the town of Mad River 914 Comment
  CAS-BOT-BC276498  Chaenactis douglasii var. douglasii Eugene Carter 1973-6-19 589 Trinity N Fork Trinity River, Hobo Gulch Camp and vicinity (18 miles NW of Weaverville). Along the Grizzly Creek Trail at Pegleg Flat 1066 Comment
  UC582767  Chaenactis douglasii var. douglasii Joseph P. Tracy 1935-8-8 14459 Trinity Mary Blain Mt. 1950 Comment
  HSC67253  Chaenactis glabriuscula var. heterocarpha Thomas W. Nelson, Jane P. Nelson 1980-6-17 5520 Trinity Shasta-Trinity National Forest, across Salt Creek from Salt Creek Campground 915 Comment
  JEPS94980  Chaenactis suffrutescens Vernon Oswald and Lowell Ahart 1997-7-17 8736 Trinity 4.9 mi s of Highway 36 (Forest Route 29 in Trinity National Forest); Trinity National Forest, Forest Route 29 1249 Comment
  SEINET10474501  Chaenactis suffrutescens Mary Susan Taylor 1980-7-22 Taylor 3165 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
  CAS-BOT-BC80488  Chamaecyparis lawsoniana John Thomas Howell 1936-8-26 12814 Trinity Near junction of Tangle Blue and Scott Mt. creeks Comment
  RSA432494B  Chamaesyce serpillifolia J. T. Howell 1936-8-23 12697 Trinity Near Trinity Center Comment
  CAS-BOT-BC166103  Chamerion angustifolium subsp. circumvagum G. R. Kleeberger 1880-7-9 s.n. Trinity Unspecified 1524 Comment
  CAS-BOT-BC70242  Cheilanthes gracillima G. R. Kleeberger 1879-9-1 s.n. Trinity Mt. Bally 1524 Comment
  HSC65398  Cheilanthes gracillima R. White 1977-6-4 77 Trinity E shore of Buck Lake 1293 Comment
  CAS-BOT-BC70241  Cheilanthes gracillima E. V. Jotter 1911-10-27 3019 Trinity Trinity National Forest 914 Comment
  CAS-BOT-BC451369  Chimaphila menziesii P. A. Munz 1951-7-17 16587 Trinity North Yolla Bolly Mts., Grasshopper Public Camp, 2.5 mi NW of Stuart Gap 1371 Comment
  CAS-BOT-BC451446  Chimaphila menziesii Elizabeth McClintock 1956-6-15 s.n. Trinity Along East Fork of Coffee Creek, on trail to Stoddard Lake Comment
  CAS-BOT-BC451451  Chimaphila menziesii Alice Eastwood; John Thomas Howell 1937-6-25 4921 Trinity Minersville to Trinity Center Comment
  HSC42356  Chimaphila menziesii Sue Sweet 1977-5-7 44 Trinity Philpot Campground, 1.2 mi. W of Peanut 762 Comment
  HSC78459  Chimaphila menziesii John S. Palmer 1973-6-19 76 Trinity Bear Lakes Area along trail to Big Bear Lake 1341 Comment
  RSA66414  Chimaphila menziesii P. A. Munz 1951-7-17 16587 Trinity Grasshopper Public Camp, 2.5 mi NW of Stuart Gap, North Yolla Bolly Mtns. 1372 Comment
  CAS-BOT-BC451452  Chimaphila menziesii Eugene Carter 1971-7-19 307 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity (18 mi. NW of Weaverwille): Hobo Gulch 914 Comment
  CAS-BOT-BC452299  Chimaphila umbellata Annie M. Alexander; Louise Kellogg 1948-8-6 5430 Trinity Trinity Mountains: Canyon Creek (tributary of Trinity River) 1676 Comment
  HSC54284  Chimaphila umbellata G. L. Clifton, Butler 1979-7-17 7440 Trinity Near Horse Ridge Mtn., close to the town of Mad River 1851 Comment
  HSC37395  Chimaphila umbellata Judith G. Dickson 1973-6-29 Trinity Norse Butte on S Fork Mtn., Hwy. 36 1280 Comment
  RSA66441  Chimaphila umbellata subsp. occidentalis P. A. Munz 1951-7-17 16618 Trinity Grasshopper Public Camp, 2.5 mi NW of Stuart Gap, North Yolla Bolly Mtns. 1402 Comment
  HSC64173  Chorizanthe membranacea J. O. Sawyer, Thomas W. Nelson 1978-6-9 3164 Trinity Trail to Red Mtn. 1220 Comment
  CAS-BOT-BC36392  Chrysolepis chrysophylla H. E. McMinn 1922-8-5 328 Trinity Between Mad River and S. Fork of Trinity River Comment
  HSC49920  Chrysolepis sempervirens Maralyn O'Meara 1972-9-18 117 Trinity Along trail to Lion Lake, Coffee Creek Comment
  RSA138237  Chrysothamnus nauseosus subsp. albicaulis Percy C. Everett, E. K. Balls 1959-10-23 23930 Trinity 3.7 miles north from Eagle Creek F. S. Camp along road to Callaban 915 Comment
  CDA20001  Cirsium arvense Lockhart 2002-7-24 PDR 914645 Trinity Northwestern California; Vicinity of Zenia. 0 Comment
  HSC27063  Cirsium cymosum Thomas W. Nelson 1973-7-14 1076 Trinity At Head of trail to Deadfall Lake Comment
  JEPS102964  Cirsium cymosum var. cymosum L. P. Janeway 2001-7-8 7303 Trinity Klamath Ranges. On ridgetop 1.8 km north of Red Mountain 1650 Comment
  CAS-BOT-BC279899  Cirsium douglasii var. breweri P. A. Munz 1951-7-17 16614 Trinity Grasshopper Public Camp, 2.5 mi. n.w. of Stuart Gap, North Yolla Bolly Mts. 1432 Comment
  JEPS94017  Cirsium douglasii var. breweri Vernon H. Oswald and Lowell Ahart 1998-7-28 9373 Trinity Hwy. 36 6.4 mi. w. of Wildwood Rd., 5.7 mi. e. of Hwy. 3 Trinity Co. 1219 Comment
  JEPS30446  Cirsium occidentale var. candidissimum Peter H. Raven, R. Snow 1958-7-20 13623 Trinity 1.8 mi w Big Bar; Trinity River Comment
  HSC78704  Cirsium remotifolium John S. Palmer 1973-8-3 143 Trinity Bear Lakes Area, along trail to Big Bear Lake. 1677 Comment
  JEPS25614  Cirsium remotifolium var. odontolepis Rimo Bacigalupi 1959-7-2 7247 Trinity dry slope in Coffee Creek Canyon (w of Grouse Ridge and just above Adams Creek; Salmon Mts. region); Salmon Mts., Coffee Creek Canyon 1417 Comment
  CAS-BOT-BC439054  Cistanthe monosperma Ella Dales Cantelow 1939-6-8 2664 Trinity 6.4 mi. n. of Carrville, Scott Mt. Road Comment
  CAS-BOT-BC229006  Cistanthe umbellata F. Almeda 1993-7-29 7331 Trinity About 2-4 miles beyond the Gates Property off of Coffee Creek Road on an unmarked rocky trail through private property to Josephine Lake 1645 Comment
  HSC101628  Cistus J. P. Smith 2010-6-21 12946 Trinity Roadside along State Route 299, 2.3 miles west of its junction with State Route 3. 797 Comment
  UC1422878  Clarkia borealis subsp. borealis Peter H. Raven with R. Snow 1958-7-18 13564 Trinity 3.5 mi se Five Pines Comment
  UC668285  Clarkia concinna subsp. concinna Joseph P. Tracy 1937-7-2 15385 Trinity e Hawkins Bar (w slope of mountain); Happy Camp Mt. 914 Comment
  HSC40692  Clarkia gracilis subsp. gracilis Thomas W. Nelson, James Nelson 1976-6-22 2823 Trinity 1494 Comment
  UC184895  Clarkia heterandra Harry S. Yates 1914-6-10 410 Trinity Rush Creek Comment
  HSC64233  Clarkia lassenensis J. O. Sawyer, Thomas W. Nelson 1978-6-9 3173 Trinity Trail to Red Mtn. 1220 Comment
  UC1143182  Clarkia lassenensis H. and M. Lewis 1947-6-12 408 Trinity 0.9 mi w of road to Deerlick springs and Highway 36 (Hayfork to Douglas City Road) 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
  UC1143184  Clarkia lassenensis H. and M. Lewis 1947-6-12 405 Trinity 0.5 mi w Trinity River Bridge (5-18) (U. S. Highway 299) Comment
  HSC46025  Clarkia purpurea Catherine Chin 1978-6-26 87 Trinity Along New River Trail, 2.25 mi. from Grays Falls Campground Comment
  CAS-BOT-BC163483  Clarkia purpurea subsp. quadrivulnera G. R. Kleeberger 1880-6-1 s.n. Trinity Unspecified Comment
  UC1071931  Clarkia purpurea subsp. quadrivulnera H. and M. Lewis 1947-6-12 411 Trinity 1.0 mi s Hayfork Creek Bridge (5-20); Hayfork Comment
  RSA108218  Clarkia purpurea subsp. quadrivulnera Harlan Lewis, M. Lewis 1947-6-13 415 Trinity Highway 36, 0.1 mile west of Trinity - Humboldt county line Comment
  RSA77962  Clarkia purpurea subsp. quadrivulnera Joseph P. Tracy 1941-6-29 16961 Trinity Hettenshaw Valley 945 Comment
  HSC70052  Clarkia rhomboidea M. A. Baker 1980-5-25 1556 Trinity Near Shannon Butte 914 Comment
  HSC71458  Clarkia rhomboidea M. A. Baker 1980-7-1 2559 Trinity Near Hayden Roughs. 1402 Comment
  HSC72549  Clarkia rhomboidea Gail Newton 1980-7-1 782 Trinity Near Hayden Roughs. 1250 Comment
  HSC72911  Clarkia rhomboidea M. A. Baker 1980-7-2 2614 Trinity Near Horsehead Mtn. 1737 Comment
  UC933360  Clarkia rhomboidea Annie M. Alexander and Louise Kellogg 1948-8-24 5545 Trinity along trail above Morris Meadow; Trinity Mountains, Stuart Fork 1280 Comment
  JEPS108196  Clarkia rhomboidea David Gowen 2005-6-25 461 Trinity Hills SE of Hayfork. North facing slope in shade under conifers and madrone. Comment
  RSA108432  Clarkia rhomboidea Harlan Lewis, M. Lewis 1947-6-12 403 Trinity U. S. Highway 299, 6.6 miles west of Shasta - Trinity county line 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
  HSC42261  Claytonia exigua subsp. exigua Ed Cope 1977-5-7 76 Trinity Philpot Campground, 1.2 mi. W of Peanut. 762 Comment
  HSC47633  Claytonia exigua subsp. exigua J. P. Smith, E. Rumble, V. Rumble 1977-4-30 9057 Trinity Shasta-Trinity National Forest, Philpot Campground and Philpot Creek 793 Comment
  HSC39535  Claytonia lanceolata Thomas W. Nelson, Jane P. Nelson 1976-5-23 2547 Trinity E side of Black Lassic along S side of branch off Shanty Creek 1555 Comment
Read comments
Sep 23 2019
  UCD100515  Claytonia lanceolata Joseph M. DiTomaso 1975-6-25 59 Trinity Trinity Alps. 1.5 miles southwest of Lower Bear Basin Meadows. 1859 Comment
  UCD102284  Claytonia lanceolata Daniel Sanchez-Mata; S. Rivas-Martinez, A. Penas and Sara del Rio 2011-7-18 s.n. Trinity Weed. Stewart Springs Road-Parks Road. Mount Eddy Trail. Mount Eddy close to the summit. 2640 Comment
  HSC54430  Claytonia parviflora subsp. parviflora Walter Overton 1979-7-18 8733 Trinity Near Horse Ridge, close to the town of Mad River. 1036 Comment
  HSC26772  Claytonia perfoliata subsp. intermontana J. P. Smith, J. O. Sawyer 1973-3-11 5865 Trinity Trail along the Trinity River and New River beginning at Grays Falls Comment
  CAS-BOT-BC443835  Claytonia rubra subsp. rubra P. A. Munz 1951-7-22 16833 Trinity Ridge s. of Stuart Gap, North Yolla Bolly Mts. 1706 Comment
  HSC4457  Claytonia rubra subsp. rubra William J. Ferlatte 1967-7-7 645 Trinity Union Creek 1829 Comment
  UC275276  Clematis lasiantha Joseph P. Tracy 1924-4-27 6660 Trinity bluffs at mouth of New River; Northern Coast Ranges 426 Comment
  CAS-BOT-BC92771  Clematis ligusticifolia Eugene Carter 1973-8-9 674 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity. (18 miles west of Weaverville). 1066 Comment
  CAS-BOT-BC92772  Clematis ligusticifolia Mrs. H. C. Cantelow 1936-8-23 1700 Trinity Scott Ranch, 3 miles south of Trinity Center. Comment
  UC922639  Clintonia uniflora Annie M. Alexander and Louise Kellogg 1948-8-25 5557 Trinity Stuart Fork of Trinity River, trail above Morris Meadow Stuart Fork Trinity River; Trinity Mountains, Stuart Fork Trinity River 1280 Comment
  CDA13736  Clintonia uniflora G. F. Hrusa, D. Willis 1997-8-19 14085 Trinity Trinity Mountains; Trinity Co. MP 14.7 E of Humboldt Co. line on Hwy 36. Comment
  UC2016515  Collinsia Richard Olmstead 1986-6-20 896 Trinity 4.1 miles from Forest Glen, on outcrop on south side of road at road cut. Comment
  UC184906  Collinsia grandiflora Harry S. Yates 1914-5-15 272 Trinity near Weaverville 624 Comment
  HSC27547  Collinsia greenei J. P. Smith 1973-4-7 5984 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
  HSC35926  Collinsia greenei Thomas W. Nelson, James Nelson, Jane P. Nelson 1975-6-20 1972 Trinity Near S end of road out Swayback Ridge 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
  HSC72837  Collinsia greenei M. A. Baker 1980-6-25 2246 Trinity Near Castle Rock 1436 Comment
  RSA256696  Collinsia greenei D. E. Anderson, T. Nelson, S. Dowty 1972-6-14 5653 Trinity Trinity-Humboldt Cos: A large barren Franciscan Rock along Swayback Ridge; Senteney Rock. Comment
  UC922333  Collinsia greenei Annie Alexander and Louise Kellogg 1949-7-1 5744 Trinity saddle between North Yolla Bolly Mtn and Black Rock Mtn; Yolla Bolly Middle Eel Primitive Area 2103 Comment
  SD43772  Collinsia greenei Philip A. Munz 1949-5-17 13278 Trinity edge of meadow, 15 miles south of Trinity Center 1067 Comment
  HSC46811  Collinsia linearis William J. Ferlatte 1977-6-18 1878 Trinity Packers Peak, W of Big Flat at head of Coffee Creek 1870 Comment
  HSC32360  Collinsia linearis Steven Lagos 1974-5-19 78 Trinity Hobo Gulch Campground, side of large rock above river Comment
  UC1238961  Collinsia linearis Freed W. Hoffman 1948-7-4 2429 Trinity North Coast Ranges, Trestle Creek, Bayles to Trinity Center Road Trestle Creek; North Coast Ranges, Trestle Creek 1280 Comment
  HSC29003  Collinsia parviflora J. P. Smith 1973-4-21 6292 Trinity Along Coffee Creek Rd. leading to Coffee Creek Ranch. 610 Comment
  HSC72477  Collinsia parviflora J. P. Smith 1973-4-21 6272 Trinity Along Coffee Creek Rd. leading to Coffee Creek Ranch. 610 Comment
  HSC73504  Collinsia parviflora Gail Newton 1980-7-13 1405 Trinity Near Red Rock. 1509 Comment
  RSA49813  Collinsia parviflora E. K. Balls 1949-7-1 13767 Trinity Trail from Dedrick to lakes. Canyon Creek. 915 Comment
  HSC72400  Collinsia rattanii J. P. Smith, J. O. Sawyer 1975-6-1 8190 Trinity 1/2 mi. NW of Wildwood 915 Comment
  HSC72537  Collinsia rattanii Gail Newton 1980-7-1 809 Trinity Near Hayden Roughs. 1250 Comment
  HSC91181  Collinsia rattanii Jennifer Whipple 1976-6-16 994 Trinity S facing slopes N of Deadfall Creek 2195 Comment
  HSC91252  Collinsia rattanii Jennifer Whipple 1976-7-23 1490 Trinity S facing slopes N of Deadfall Creek. 2195 Comment
  UC1728654  Collinsia rattanii Richard Olmstead 1985-5-18 681 Trinity on w slope 1/2 mi up Canyon Creek Trail Canyon Creek Trail Comment
  HSC46031  Collinsia rattanii Catherine Chin 1978-5-13 62 Trinity 793 Comment
  HSC59255  Collinsia rattanii R. York 1979-5-12 275 Trinity Above Deer Lick Springs Rd., along Readings Creek, 3 mi. from junction with Hwy. 3 610 Comment
  RSA23901  Collinsia rattanii E. K. Balls, Lee W. Lenz 1956-6-12 21659 Trinity 1.1 mi. nw. of Burnt Ranch along U.S. Hwy 299, Weaverville to Willow Creek. 427 Comment
  HSC81857  Collinsia sparsiflora var. collina Thomas W. Nelson, Dave Gordan 1980-5-7 5177 Trinity E side of Vista Lane, 5 mi. N of junction with Highland Dr., 3 mi. N of Hyampom Rd. 671 Comment
  HSC40509  Collinsia torreyi J. O. Sawyer, Kevin Sawyer, J. P. Smith 1974-6-25 2594 Trinity Along trail to Granite Lake 1585 Comment
  UCR45358  Collinsia torreyi var. latifolia Michelle A. Strull 1985-6-25 31 Trinity c. 0.25 mi below Hayfork Bally lookout along FS Rd. 33N52Y 1829 Comment
  POM15712  Collinsia torreyi var. latifolia H. M. Hall 1909-7-18 8569 Trinity Dorleska, in the Salmon Mountains. 2000 Comment
  HSC35684  Collomia grandiflora J. P. Smith, J. O. Sawyer 1973-7-4 7074 Trinity Trail 11W26 from Rd. 80, between Dubakella and S Dubakella Mtn. 1524 Comment
  HSC51135  Collomia grandiflora G. L. Clifton, Overton 1979-6-4 3948 Trinity Near Van Duzen River, close to the town of Alderpoint. 853 Comment
  HSC56817  Collomia grandiflora G. L. Clifton, Muth 1979-7-18 8599 Trinity Near Mad River campground, close to the town of Mad River 762 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
  UC908753  Collomia grandiflora Joseph P. Tracy 1923-6-28 6414 Trinity Burnt Ranch 457 Comment
  UCD118130  Collomia grandiflora Joseph M. DiTomaso 1975-7-29 208 Trinity Trinity Alps. 1 mile below Big Bear Lake. 1630 Comment
  HSC73371  Collomia heterophylla R. York 1980-5-25 769 Trinity Near Shannon Butte 914 Comment
  HSC82119  Collomia heterophylla Thomas W. Nelson, Jane P. Nelson 1980-5-25 5285 Trinity Along trail from Blue Jay Mine-Little Red Mtn. Creek 1189 Comment
  HSC38607  Collomia heterophylla D. E. Anderson, J. P. Smith 1971-6-21 - 1119 Trinity 1 mi. S of Zenia along the Zenia-Covelo Rd. Comment
  HSC47015  Collomia heterophylla Sheila Logan 1978-5-13 119 Trinity Philpot Campground, 1 mi. from Hwy. 3 on Trinity Pines Rd. 762 Comment
  HSC115  Collomia tinctoria William J. Ferlatte 1967-8-16 944 Trinity E side of Packer's Peak 1829 Comment
  HSC34436  Collomia tinctoria J. P. Smith, J. O. Sawyer 1973-7-4 7015 Trinity Hillside S and W of S Dubakella Mtn. 1524 Comment
  SEINET11262232  Collomia tinctoria Robert L. Johnson, Mikel R. Stevens 2015-7-12 3960 Trinity Salmon Mountains. Weaver Bally Lookout Tower on Weaver Bally Rd. Ca 5.8 air mi northwest of downtown Weaverville.; 0 2103 Comment
  UC130704  Collomia tinctoria H. M. Hall 1909-7-1 8668 Trinity gravelly slopes Salmon Mountains, Dorleska 1981 Comment
  JEPS102266  Collomia tracyi L. P. Janeway 1996-6-13 5014 Trinity Klamath Mountains. Fairview Ridge and southwest-facing canyon slope of Papoose Cree; along Papoose Road (Road 34N30) 4.8 mi west Trinity Mountain and County-Line Road. 890 Comment
  CAS-BOT-BC180427  Comandra umbellata subsp. californica Doris Kildale 1931-5-30 10768 Trinity Weaverville Comment
  CAS-BOT-BC180428  Comandra umbellata subsp. californica Doris Kildale 1931-5-30 10768 Trinity Eagle Creek campground, located along Hwy 3 832 Comment
  HSC64580  Comandra umbellata subsp. californica J. O. Sawyer 1979-5-27 3365 Trinity 3 mi. N of Weaverville along Hwy. 3 Comment
  CAS-BOT-BC286044  Conyza canadensis Mrs. H. C. Cantelow 1936-8-23 s.n. Trinity Along Trinity River about 5 mi. S. of Scott Ranch Comment
  HSC16577  Corallorhiza maculata R. Spellenberg 1965-6-16 1149 Trinity 2 mi. E of Burnt Ranch, about 1 mi. up Bidden Creek from Trinity River Comment
  HSC36796  Corallorhiza maculata Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-20 2042 Trinity Wats Lake Comment
  UC14980  Corallorhiza maculata Mrs. M. H. Manning 1901-7-1 15 Trinity Trinity Trail 1219 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
  UCR5045  Corallorhiza mertensiana Eugene Cardiff 1966-7-23 s.n. Trinity North Coast Range, Salmon Mountains, Joseph ('Josephine') Creek 900 Comment
  RSA49849  Corallorhiza mertensiana E. K. Balls 1949-7-1 13750 Trinity Trail from Dedrick to Lakes, Canyon Creek. 1220 Comment
  UC2046524  Corallorhiza striata William J. Ferlatte 1976-7-8 1782 Trinity 100 yds. west of Fosters Cabin along Swift Creek Trail Comment
  SBBG100005  Cordylanthus pilosus L. R. Heckard 1971-8-28 2786 Trinity just SE of Lewiston 731 Comment
  SD133729  Cordylanthus pilosus subsp. hansenii L. R. Heckard 1971-8-28 2786 Trinity Just southeast of Lewiston, roadside flat 730 Comment
  HSC41584  Cordylanthus tenuis subsp. viscidus Thomas W. Nelson, Jane Nelson 1977-7-30 3643 Trinity Along south side of ridge separating the forks of Black Lassic Creek 1646 Comment
  JEPS98798  Cornus Sue Pappalardo 1996-9-26 898 Trinity W of Forest Glen (from Forest Glen Campground to approx. 3/4 mi downstream; South Fork of Trinity River); Shasta-Trinity National Forest, Hayfork Ranger District 700 Comment
  HSC51203  Cornus glabrata G. L. Clifton, Overton 1979-6-4 4035 Trinity Near Van Duzen River, close to the town of Alderpoint. 853 Comment
  CAS-BOT-BC212295  Cornus glabrata Mrs. H. C. Cantelow 1939-6-5 3435 Trinity Road to Ruth Comment
  CAS-BOT-BC212300  Cornus glabrata H. E. McMinn 1922-7-1 325 Trinity Southern Trinity Co. along stream by road from Eureka to Red Bluff Comment
  HSC78851  Cornus nuttallii John S. Palmer 1973-9-7 200 Trinity Bear Lakes Area, along trail to Big Bear Lake. 1677 Comment
  RSA60488  Cornus nuttallii John H. Thomas 1949-6-15 929 Trinity About 7 miles north of Weaverville, along trail to Trinity Alps. Trinity National Forest. 915 Comment
  CAS-BOT-BC210563  Cornus sessilis L. B. Kildale 1930-9-1 10475 Trinity Trinity River at Douglas City Comment
  RSA107851  Cornus sessilis L. S. Rose 1955-6-14 55090 Trinity 2 mi. w. of Buckhorn Mt. summit. 762 Comment
  RSA0019469  Cornus sessilis E. R. Johnson 1930-10-14 1584 Trinity Gwyn [Gwin] Gulch, Canyon Creek. 1524 Comment
  SD56774  Cornus stolonifera Darley F. Howe 1963-7-8 3619 Trinity 2.3 miles east of line between Six Rivers & Trinity National Forest. 1130 Comment
  HSC56833  Corylus cornuta subsp. californica G. L. Clifton 1979-7-19 8634 Trinity Near Mad River, close to the town of Mad River. 817 Comment
  HSC65255  Corylus cornuta subsp. californica J. P. Smith, J. O. Sawyer 1973-4-30 6363 Trinity 0.5 mi. E of the Indian Creek Bridge on Hwy. 299 Comment
  RSA49984  Corylus cornuta var. californica E. K. Balls 1949-6-29 13671 Trinity Above Ripstein Camp, Canyon Creek. 808 Comment
  SEINET10478567  Corylus cornuta var. californica Mary Merello 1993-6-21 Merello 674 Trinity Shasta-Trinity National Forest, Whiskeytown Recreational Area. Slopes around the Trinity Alps Marina. Fairview Boat Launch. Trinity Dam Road off State Hwy. 3. Disturbed forest of mixed conifer and oak. 780 Comment
  HSC37400  Crataegus suksdorfii Gary S. Lester, Judith G. Dickson 1973-6-30 22 Trinity Salt Creek, just off the 8-dip Rd. out Peanut, USFS Rd. 30N24, W fork of Salt Creek 884 Comment
  HSC55483  Crataegus suksdorfii Gilbert Muth 1979-7-17 8304 Trinity Near Barry Creek, close to the town of Mad River 876 Comment
  RSA21608  Crataegus suksdorfii Carl B. Wolf 1937-8-11 9152 Trinity N Coast range, upper Mad River, 0.2 mile below Mad River Store. 610 Comment
  JEPS59012  Crepis Elizabeth McClintock 1956-6-16 Trinity road along Coffee Creek (above Coffee Creek Ranch) Comment
  HSC57283  Crepis acuminata G. L. Clifton, Butler 1979-7-18 8476 Trinity Near Jones Ridge, close to the town of Mad River 1448 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
  UC581729  Crepis occidentalis subsp. conjuncta Joseph P. Tracy 1935-8-3 14453 Trinity Mary Blaine Mt. 1950 Comment
  CAS-BOT-BC290901  Crepis pleurocarpa G. R. Kleeberger 1880-6-1 s.n. Trinity Unspecified Comment
  CHSC35578  Crepis pleurocarpa Thomas W. Nelson; Jane P. Nelson 1980-6-22 5767 Trinity Shasta-Trinity National Forest. Along Panther Camp Trail 200 yds. north of junction with road 29N73; 3 miles from Hayfork Creek. 1645 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
  HSC68948  Crepis pleurocarpa Thomas W. Nelson, Jane P. Nelson 1980-6-22 5739 Trinity Along Hwy. 36 at Muldoon Gulch, Shasta-Trinity National Forest 1311 Comment
  HSC70439  Crepis pleurocarpa Gail Newton 1980-7-3 1005 Trinity Near Horsehead Mtn. 1753 Comment
  UC1199459  Crepis pleurocarpa Joseph P. Tracy 1935-8-3 14449 Trinity Mary Blaine Mt. 1950 Comment
  UC164830  Crepis pleurocarpa Joseph P. Tracy July, 1908 2794 Trinity Low Gap Northern Coast Ranges (ridge between Van Duzen and Mad Rivers) 914 Comment
  CAS-BOT-BC290894  Crepis pleurocarpa Eugene Carter 1974-6-18 834 Trinity Salmon-Trinity Alps and vicinity. Opposite the mouth of Rich Gulch 533 Comment
  POM356342  Crepis pleurocarpa Christopher Davidson 1973-5-28 2190 Trinity E of Burnt Ranch on Hwy 299, Trinity River Canyon, Trinity National Forest. Comment
  HSC44146  Crocidium multicaule M. A. Baker 1977-7-17 255 Trinity Philpot Campground 1.2 mi. W of Peanut 762 Comment
  HSC27091  Cryptantha ambigua Thomas W. Nelson 1973-7-14 1063 Trinity Trinity River at Eagle Creek Comment
  UC1239658  Cryptantha flaccida Joseph P. Tracy 1941-6-29 16958 Trinity Hettenshaw 944 Comment
  UC615538  Cryptantha intermedia Beryl O. Schreiber 1934-6-6 1151 Trinity 10 mi w Big Bar Comment
  HSC67205  Cryptantha microstachys Thomas W. Nelson, Jane P. Nelson 1980-6-16 5456 Trinity Shasta-Trinity National Forest, just N of Philpot Campground 793 Comment
  CHSC31486  Cryptantha milobakeri S. Horner 1979-4-26 489 Trinity Banks of the New River, ca. 1/4 mi from its jct with Trinity River. 213 Comment
  HSC67297  Cryptantha milobakeri Thomas W. Nelson, Jane P. Nelson 1980-6-17 5517 Trinity Shasta-Trinity National Forest, across Salt Creek from Salt Creek Campground 915 Comment
  HSC68653  Cryptantha milobakeri Thomas W. Nelson, Jane P. Nelson 1980-6-18 5565 Trinity Along Rd. 2N10 4 mi. N of Indian Valley Guard Station, just S of junction with Rd. 2N01 1341 Comment
  HSC74103  Cryptantha milobakeri Gail Newton 1980-7-3 1012 Trinity Near Horsehead Mtn. 1753 Comment
  HSC24360  Cryptantha rostellata D. E. Anderson, D. Santana, J. Lackey 1971-7-15 5267 Trinity Along 1S07, Shanty Creek, 5 mi. W of Ruth Dam. 1341 Comment
  UCD15139  Cryptantha sobolifera K. F. Mawdsley 1996-7-11 17 b Trinity Trinity County. High on Mt. Eddy, along trail to summit. 2651 Comment
  HSC57243  Cryptantha torreyana G. L. Clifton 1979-7-16 7895 Trinity Near S Fork Mtn., close to the town of Mad River 1720 Comment
  HSC91328  Cryptantha torreyana Jennifer Whipple 1976-9-27 1815 Trinity N of Deadfall Lake in the Deadfall drainage 2195 Comment
  UC130596  Cryptantha torreyana H. M. Hall Jul 1909 8634 Trinity Big Flat Salmon Mountains 1463 Comment
  OBI20817  Cryptantha torreyana Carl B. Wolf 1937-6-20 8940 Trinity North Coast Range, Van Duzen Rd to Hettinshaw Valley, 9-1/2 mi above Eureka-Red bluff rd 762 Comment
  RSA20735  Cryptantha torreyana C. B. Wolf 1937-6-20 8940 Trinity North Coast Range, Van Duzen Road to Hettinshaw Valley, 9.5 miles above Eureka-Red Bluff Road 762 Comment
  UC667957  Cryptogramma acrostichoides Joseph P. Tracy 1935-8-7 14589 Trinity head of White's Creek; Devil's Canyon Mts 2072 Comment
  HSC78442  Cryptogramma acrostichoides John S. Palmer 1975-6-23 382 Trinity E of Big Bear Lake 1768 Comment
  RSA50018  Cryptogramma acrostichoides E. K. Balls 1949-7-1 13722 Trinity Canyon Creek Meadow, Canyon Creek, 8 miles above Dedrick 1372 Comment
  JEPS87552  Cupressus lawsoniana Mrs. C. F. Rose Aug 1915 Trinity Carrville Comment
  SEINET10496604  Cuscuta californica Mary Susan Taylor 1980-8-21 Taylor 3294 Trinity T29N R12W sw sec 1, Dubakella quad. Shasta-Trinity Natl Forest, on top of Blue Point Ridge along jeep road, ca. 0.9 mi N of its jct with 29N55, ca. 2 mi S of Hwy 36, just W of Dubakella Mt. With T. Nelson. 1646 Comment
  HSC75617  Cuscuta jepsonii J. O. Sawyer, D. A. Thornburgh 1980-9-15 4091 Trinity Proposed Ruth Research Natural Area 1372 Comment
  UCD126356  Cuscuta occidentalis Joseph M. DiTomaso 1975-8-13 257 Trinity Trinity Alps, Deer Creek Trail. 1981 Comment
  HSC27431  Cynoglossum grande J. P. Smith 1973-4-7 6015 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
  HSC42308  Cynoglossum grande Sue Sweet 1977-5-7 43 Trinity Philpot Campground, 1.2 mi. W of Peanut 762 Comment
  HSC62902  Cynoglossum grande J. M. DiTomaso 1979-3-22 831 Trinity Grays Falls 305 Comment
  SEINET10497514  Cynoglossum grande Botany 1985-4-19 BOTANY s.n. Trinity T33n,r9w,sec.24, h.m.; Steelbridge campground, 2 miles n of hwy 299 on Steelbridge rd. Found on semi-shaded hillside with quercus kelloggii and q. Garrayana 536 Comment
  CHSC30968  Cynoglossum occidentale T. Spira 1979-6-21 305 Trinity 4 mi s of Trinity Center, w on dirt rd ca. 1 mi, left at Fire Rd, then 1/2 mi to site. On ridgetop. Shasta-Trinity NF/Weaverville RD. 1051 Comment
  POM126223  Cynoglossum occidentale A. M. Alexander, Louise Kellogg 1911-7-8 232 Trinity N. Fork Coffee Creek. Comment
  CAS-BOT-BC190399  Cynosurus echinatus Peter H. Raven; R. Snow 1958-7-19 13613 Trinity Hobo Gulch Public Camp, 14.3 miles north of Helena. Comment
  CAS-BOT-BC227807  Cyperus eragrostis Eugene Carter 1974-6-29 849 .1 Trinity Salmon-Trinity Alps and vicinity. Along the North Fork Road 1/2 mile north of old Helena 457 Comment
  HSC7211  Cyperus eragrostis M. T. Milligan 1964-9-13 280 Trinity 1 mi. from Hwy. 299 on S Fork Rd. 610 Comment
  CHSC30229  Cypripedium californicum M. S. Taylor 1980-8-25 3301 Trinity Swift Creek Trail, ca. 0.5 mi w of trailhead, ca. ... Field redacted by CHSC, contact the data manager for more information 1249 Comment
  UC1488742  Cypripedium fasciculatum Marc Baker 1980-5-23 1401 Trinity near Tierney Canyon; Blocksburg Quad. 227 Comment
  CAS-BOT-BC136484  Cypripedium montanum Anna A. Junkans 1915-5-20 s.n. Trinity Field redacted by CAS, contact the data manager for more information Comment
  UC184364  Cypripedium montanum Harry S. Yates 1914-5-18 311 Trinity e Weverville Comment
  CAS-BOT-BC70727  Cystopteris fragilis L. B. Kildale 1930-9-1 10466 Trinity Trinity River at Big French Creek Comment
  HSC50826  Cystopteris fragilis G. L. Clifton, Overton 1979-6-3 3636 Trinity Near Browns Canyon, close to the town of Forest Glen. 780 Comment
  JEPS123092  Cystopteris fragilis D. Burge and J. Nelson with Jepson Herbarium workshop participants 2015-6-27 JHWS- 071 Trinity Bonanza King Comment
  UC667956  Cystopteris fragilis Joseph P. Tracy 1935-8-6 14685 Trinity head of N Fork White's Creek (around White's Creek Lake); Devil's Canyon Mts. 1889 Comment
  UC922647  Cystopteris fragilis Annie M. Alexander and Louise Kellogg 1948-8-2 5384 Trinity e side of Dedrick (Canyon Creek); Trinity Mts. 762 Comment
  HSC45882  Cystopteris fragilis J. P. Smith, J. O. Sawyer 1973-4-15 6110 Trinity 1.2 mi. E of Bridge Camp on Stewart Fork 762 Comment
  HSC40401  Dactylis glomerata Thomas W. Nelson, Jane P. Nelson 1976-7-26 3022 Trinity Trinity/Humboldt Co. line, along FS Rd. 1S07 W of Black Lassic 1616 Comment
  HSC71502  Dactylis glomerata M. A. Baker 1980-7-2 2631 Trinity Near Horsehead Mtn. 1737 Comment
  CAS-BOT-BC192290  Danthonia californica P. A. Munz 1951-7-20 16735 Trinity Near Black Rock Lake, North Yolla Bolly Mts. 1981 Comment
  UC722451  Danthonia intermedia C. L. Hitchcock and J. S. Martin 1939-7-11 5404 Trinity 11 mi n Dedrick (s shore of lake); Salmon-Trinity Mts., Upper Canyon Creek Lake 1889 Comment
  SEINET209296 Image available Danthonia unispicata John Thomas Howell 1955-6-13 30382 Trinity Hayfork. 716 Comment
  UC922524  Danthonia unispicata Annie M. Alexander and Louise Kellogg 1948-8-5 5393 Trinity granite slope w Lower Canyon Lake; Trinity Mountains 1737 Comment
  CAS-BOT-BC76254  Darlingtonia californica Mrs. J. C. Reynolds s.n. Trinity Carrville. Comment
  RSA42010  Darlingtonia californica Ella Dales Cantelow 1936-5-21 1409 Trinity Scott Ranch Picnic Grounds Comment
  SEINET10480122  Darlingtonia californica Mary Susan Taylor 1980-7-2 Taylor 3036 Trinity T36N R8W ne sec 16, Trinity Dam quad. Shasta-Trinity Natl Forest; in Montane Meadow between Rd 36N24 and tiny lake, on Cement Creek Drainage, 0.3 mi S of Lake Eleanor turnoff, ca. 14 mi W of Trinity Center. 1402 Comment
  HSC64829  Darmera peltata J. P. Smith 1975-5-17 8132 Trinity Middle Fork of Philpot Creek and Philpot Campground on Plummer Peak Rd. 825 Comment
  POM274257  Darmera peltata Lyman Benson 1930-7-18 2195 Trinity Middle N Coast mtn range. Trinity River. 457 Comment
  UCD112981  Dasiphora fruticosa Joseph M. DiTomaso 1975-7-16 147 Trinity Outlet of Diamond Lake. 2209 Comment
  JEPS98782  Datisca glomerata Sue Pappalardo 1996-9-27 904 Trinity W of Forest Glen (South Fork of Trinity River, at Scott Flat Campground); Shasta-Trinity National Forest, Hayfork Ranger District 700 Comment
  HSC63203  Datisca glomerata M. A. Baker 1979-7-4 996 Trinity Flood plain of the Mad River. Comment
  UCD95648  Delphinium andersonii Joseph M. DiTomaso 1975-6-25 63 Trinity Parker Meadows on Swift Creek Trail. 1615 Comment
  CAS-BOT-BC8960  Delphinium decorum subsp. tracyi Alice Eastwood; John Thomas Howell 1937-6-25 4995 Trinity Scott Mtns., north of Carrville Comment
  RSA0088728  Delphinium depauperatum Bonnie C. Templeton 1968-6-13 11314 Trinity Scott Mt. near Trinity-Siskiyou County divide. 2086 Comment
  HSC67266  Delphinium depauperatum Thomas W. Nelson, Jane P. Nelson 1980-5-8 5217 Trinity Shasta-Trinity National Forest, Friend Mtn. along FS Rd. 2N15 1372 Comment
  RSA48782  Delphinium depauperatum P. A. Munz 1949-5-15 13222 Trinity Ripstein Public Campground, Canyon Creek, Dedrick. 976 Comment
  UCD95710  Delphinium glaucum Joseph M. DiTomaso 1975-8-20 281 Trinity 200 yards E of Willow Creek on Deer Creek Trail. 1645 Comment
  HSC70559  Delphinium hesperium M. A. Baker 1980-5-25 1531 Trinity Near Shannon Butte 701 Comment
  UCD95847  Delphinium hesperium Craig Martz 1983-6-1 52 Trinity State Highway 299 at South Fork Trinity Bridge. Comment
  HSC90043  Delphinium nudicaule Andrew Enberg, Brad Penkala, Dan Scofield 1990-4-4 38 Trinity Hwy. 299, 1.0 mi. W of intersection with East Fork Rd. 442 Comment
  SEINET10965653  Delphinium nudicaule Mary Susan Taylor 1980-6-12 Taylor 2857 Trinity On W side of 5N40, ca. 2.3 mi S of its jct with Underwood Mt Road (5N09), ca. 8.1 mi S of Trinity Hwy (299) at Burnt Ranch; Shasta National Forest. Comment
  CHSC32962  Delphinium nuttallianum James P. Smith 1973-5-6 6605 Trinity In Blanchert Flats near Douglas City. Comment
  HSC28831  Delphinium nuttallianum J. P. Smith 1973-4-21 6331 Trinity Along Coffee Creek Rd. leading to Coffee Creek Ranch. 610 Comment
  UC922612  Delphinium nuttallianum Annie M. Alexander and Louise Kellogg 1948-8-10 5468 Trinity n-facing draw Trinity Mountains, Upper Canyon Creek Lake 1767 Comment
  CAS-BOT-BC201657  Deschampsia danthonioides Harry S. Yates 1914-5-17 s.n. Trinity Trinity National Forest. Near Weaverville Comment
  CAS-BOT-BC201658  Deschampsia danthonioides Doris Kildale 1931-5-30 10790 Trinity Weaverville Comment
  HSC82506  Deschampsia danthonioides Thomas W. Nelson, Jane P. Nelson 1979-6-14 4757 Trinity Along Trinity River and old Hwy. 3, N of Eagle Creek Campground 823 Comment
  UC1553571  Deschampsia danthonioides E. Dean 1988-6-2 66 Trinity along Bramlet Rd. at junction with rd. 29N58 Rattlesnake Ridge (e. side of rd.) Comment
  HSC35915  Deschampsia elongata Thomas W. Nelson, James Nelson 1975-6-21 1927 Trinity Brown's Canyon Campground. Comment
  HSC40334  Deschampsia elongata Thomas W. Nelson, Jane P. Nelson 1976-6-22 2803 Trinity Above Senteney Rock 1524 Comment
  HSC72706  Deschampsia elongata Gail Newton 1980-7-2 975 Trinity Near N Kelsey Peak 1463 Comment
  HSC74603  Deschampsia elongata M. A. Baker 1980-7-10 2766 Trinity Near Senteney Rock 1554 Comment
  RSA67659  Deschampsia elongata P. A. Munz 1951-7-18 16668 Trinity n. slope of N. Yolla Bolly Peak, N Yolla Bolly Mts. 1982 Comment
  CAS-BOT-BC42974  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
  HSC90973  Descurainia incisa subsp. incisa Jennifer Whipple 1976-8-11 1669 Trinity S facing slopes N of Deadfall Lake in the Deadfall drainage 2195 Comment
  JEPS53417  Descurainia incisa subsp. incisa W. L. Jepson 1897-7-24 13385 Trinity near South Yollo Bolly summit (Soldier's Ridge); ; [=modern Solomon Peak, see FB 1_107] Comment
  UCR45813  Dichelostemma capitatum subsp. capitatum N. Meiselman, M. Bransom, D. Brown, R. Hildebrant 1986-4-19 43 Trinity North Coast Range, Route 299, Burnt Ranch Campground, 1.5 mi. west of Burnt Ranch 412 Comment
  HSC40659  Dichelostemma congestum Thomas W. Nelson, Jane P. Nelson 1976-7-1 2948 Trinity Along FS Rd. 5E27, just S of meadow above Senteney Rock 1524 Comment
  HSC23651  Dichelostemma multiflorum J. O. Sawyer 1970-5-23 2540 Trinity Above New River 244 Comment
  HSC66295  Dichelostemma multiflorum Ed Cope, John Palmer Jul 1977 546 Trinity South of trail to Granite Lake. 1280 Comment
  CHSC63499  Dieteria canescens var. shastensis Vernon H. Oswald; Lowell Ahart 1994-8-1 6434 Trinity Junction of Forest Rds. 17 and 40N45, ca. 3 mi (air) WNW of Mt. Eddy. Along road. 1889 Comment
  CAS-BOT-BC153460  Diplacus layneae Annie M. Alexander; Louise Kellogg 1948-8-14 5490 Trinity Stuarts Fork of Trinity River 762 Comment
  CHSC35613  Diplacus nanus Thomas W. Nelson; Jane P. Nelson 1980-6-20 5677 Trinity Shasta-Trinity National Forest. Along 4-wheel drive road out Blue Point Ridge 1 mile west of junction with road 29N55. 1554 Comment
  SEINET200712 Image available Diplacus nanus Joseph P. Tracy 1937-1 15570 Trinity Halfway between Cold Springs and Blake Lookout. South Fork Mountain. 1676 Comment
  CHSC75417  Disporum hookeri Vernon H. Oswald; Frank Kosko 1999-5-29 9732 Trinity Hwy. 36 between Wildwood and Hwy. 3. 1219 Comment
  JEPS95575  Distichlis spicata Vernon H. Oswald and L. Ahart 1994-6-14 6291 Trinity T38N R5W center Sec. 19, 4960 ft, Yellow Pine Forest. Asbestos Gulch on Forest Rd. 25 W of Castella, 2.0 mi W of Forest Rd. 26 to Mt. Shasta (city) 1511 Comment
  HSC385  Dodecatheon alpinum William J. Ferlatte 1967-7-6 620 Trinity Dorleska Mine 1982 Comment
  CHSC41211  Dodecatheon hendersonii J. D. Jokerst 1984-4-17 1973 Trinity Common in forest openings at edge of 'Bridge Camp' on the Stuarts Fork of the Trinity River, several miles north of Trinity Alps Resort. Comment
  HSC23050  Dodecatheon hendersonii D. E. Anderson, J. P. Smith 1970-4-16 5035 Trinity Cold Springs Campground, along Hwy. 3, 3 mi. E of Peanut Comment
  HSC28817  Dodecatheon hendersonii J. P. Smith 1973-4-21 6254 Trinity Along Coffee Creek Rd. leading to Coffee Creek Ranch. 610 Comment
  HSC34800  Dodecatheon hendersonii Robert M. Specht 1975-5-17 213 Trinity Middle Fork of Philpot Creek and Philpot Campground on Plummer Peak Rd. 825 Comment
  HSC388  Dodecatheon hendersonii William J. Ferlatte 1967-6-27 542 Trinity Big Flat 1524 Comment
  HSC68362  Dodecatheon hendersonii J. P. Smith 1973-5-6 6637 Trinity Blanchert Flats near Douglas City Comment
  HSC71232  Dodecatheon hendersonii Thomas W. Nelson, Jane P. Nelson 1977-4-23 3340 Trinity Brown's Canyon Campground 793 Comment
  UC54923  Dodecatheon jeffreyi Mrs. M. H. Manning 1901-7-1 118 Trinity Trinity Summit Comment
  UC775060  Downingia cuspidata Carl B. Wolf 1937-6-20 Trinity 5.8 mi n Mendocino County line (on Zenia-Covelo road); North Coast Range 914 Comment
  BLMAR441  Downingia elegans Jennifer Anthony-Wheeler 2008-7-23 441 Trinity Travis ranch, growing near Antone lake 304 Comment
  UCD54981  Downingia pulcherrima W. C. Overton Jr. 1977-7-9 s.n. Trinity In Lake Martin (ephemeral) at north end of large meadow west of road at Big Flat (on divide between Coffee Creek and South of Fork of Salmon River); 0.8 mile north of entrance to Big Flat Campground on Coffee Creek Road; Shasta National Forest. 1536 Comment
  HSC4753  Downingia yina William J. Ferlatte 1966-8-6 360 Trinity Big Flat. 1524 Comment
  RSA120820  Downingia yina H. K. Wagnon 1957-7-28 1657 Trinity Big Flat along Coffee Creek Comment
  HSC90887  Draba carnosula Jennifer Whipple 1977-8-3 2130 Trinity Deadfall Creek drainage in the vicinity of Deadfall Lakes 2378 Comment
  HSC40490  Draba howellii J. O. Sawyer, Kevin Sawyer, J. P. Smith 1974-6-27 2611 Trinity Peak above Summit Lake 2454 Comment
  UC1553510  Draperia systyla E. Dean 1988-6-29 91 Trinity Trinity Lake area. North of Bridge Camp and Trinity Alps Road 1160 Comment
  UC574872  Drymocallis John Thomas Howell 1937-7-21 13243 Trinity Big Flat 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
  HSC73475  Drymocallis glandulosa Gail Newton 1980-7-12 1344 Trinity Near Red Lassic 1798 Comment
  CAS-BOT-BC159466  Drymocallis glandulosa var. glandulosa Doris Kildale 1931-5-17 10917 Trinity Hawkins Bar 182 Comment
  HSC40625  Drymocallis glandulosa var. glandulosa Thomas W. Nelson, James Nelson 1976-6-22 2830 Trinity Below Senteney Rock 1524 Comment
  JEPS44259  Drymocallis lactea var. austiniae W. L. Jepson 1897-7-24 132 p Trinity South Yollo Bolly; w Tehama County; [=modern Solomon Peak, see FB 1_107] Comment
  UC585626  Drymocallis lactea var. austiniae Joseph P. Tracy 1935-8-5 14538 Trinity head of White's Creek; Devil's Canyon Mts., head of White's Creek 2072 Comment
  UC637006  Drymocallis lactea var. austiniae C. L. Hitchcock, J. S. Martin 1939-7-11 5378 Trinity 11 mi n Dedrick (Granite Cliffs between upper and lower Canyon Creek Lake); Salmon-Trinity Mts., btw Upper and Lower Canyon Creek Lake 1889 Comment
  HSC23418  Drymocallis lactea var. lactea D. E. Anderson 1971-7-28 5448 Trinity Near E Weaver Lake, 1 mi. from Weaver Bally Lookout on FS Rd. 33N38 1921 Comment
  HSC4392  Dysphania botrys R. Spellenberg 1964-6-16 428 Trinity Along Trinity River, 1 mi. E of Cedar Flat on Hwy. 299, near Burnt Ranch. Comment
  UCD98753  Dysphania botrys Philip A. Munz 1952-6-29 17827 Trinity 0.5 mi. s. of Hobo Gulch Public amp, North Fork of Trinity River, north of Helena. 960 Comment
  JEPS121634  Eleocharis decumbens Danielle Roach 2011-9-20 Trinity Deadfall Meadow, west slope Mt. Eddy. Gently sloping wet meadow, SSE aspect; over glacial till. South China Mountain quadrangle. NM1_D Comment
  CHSC43981  Eleocharis macrostachya L. P. Janeway 1987-6-29 2397 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
  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
  UC33756  Elymus elymoides subsp. elymoides P. E. Goddard 1901-7-27 108 Trinity Trinity Summit Comment
  HSC102651  Elymus elymoides var. californicus J. P. Smith 2009-6-1 12612 Trinity State Route 3 Comment
  HSC72750  Elymus glaucus Gail Newton 1980-7-7 874 Trinity Near Hayden Roughs. 1219 Comment
  HSC91402  Elymus glaucus Jennifer Whipple 1976-8-11 1675 Trinity Mt. Eddy, N of lower Deadfall and Deadfall Lakes along the creek draining the upper Deadfall Lakes 2165 Comment
  CHSC80119  Elymus glaucus subsp. glaucus L. P. Janeway 1996-7-13 5048 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
  HSC40397  Elymus trachycaulus subsp. trachycaulus Thomas W. Nelson, Jane P. Nelson 1976-7-26 3023 Trinity Trinity/Humboldt Co. line, along FS Rd. 1S07 W of Black Lassic 1616 Comment
  HSC103135  Enemion occidentale M. Mesler 2010-5-31 819 Trinity South Fork Mtn Rd (4N12) about 3 miles north of Hwy 36 1415 Comment
  UCR16996  Epilobium angustifolium Eugene Cardiff 1966-7-23 s.n. Trinity North Coast Range, Salmon Mountains, Big Flat Camp 400 Comment
  HSC56582  Epilobium brachycarpum G. L. Clifton 1979-7-16 7899 Trinity Near S Fork Mtn., close to the town of Mad River 1720 Comment
  UC249621  Epilobium canum subsp. latifolium Joseph P. Tracy 1921-8-21 5939 Trinity Hawkins Bar Northern Coast Ranges 182 Comment
  HSC54156  Epilobium ciliatum subsp. ciliatum Gilbert Muth 1979-7-18 8371 Trinity Near Deep Hollow Creek, close to the town of Mad River 1006 Comment
  JEPS39283  Epilobium ciliatum subsp. ciliatum W. L. Jepson 1902-7-11 2017 Trinity Martin's Ranch South Fork of Trinity River Comment
  RSA66457  Epilobium ciliatum subsp. glandulosum P. A. Munz 1951-7-21 16795 Trinity South slope of North Yolla Bolly Peak. 2287 Comment
  HSC54193  Epilobium densiflorum G. L. Clifton, Butler 1979-7-18 8490 Trinity Near Four Corners Rock, close to the town of Alderpoint. 1524 Comment
  HSC54313  Epilobium glaberrimum Walter Overton 1979-7-17 7743 Trinity Near Horse Ridge, close to the town of Mad River. 1372 Comment
  HSC211  Epilobium glaberrimum subsp. fastigiatum William J. Ferlatte 1967-8-6 818 Trinity Head of Canyon Creek 2134 Comment
  CHSC30123  Epilobium hallianum M. S. Taylor 1980-6-16 2903 Trinity Hell-to-Find Lake, ca. 3 mi w of Hwy 30 and 4 mi s of Hwy 36, 4 mi sw of Wildwood. 1432 Comment
  HSC40797  Epilobium hallianum Thomas W. Nelson 1976-7-9 2978 Trinity Foot of Red Lassic 1555 Comment
  RSA67510  Epilobium hallianum P. A. Munz 1951-7-20 16724 Trinity near Black Rock Lake. North Yolla Bolly Mts. 1982 Comment
  HSC49638  Epilobium minutum J. P. Smith 1975-5-16 8095 Trinity Trails above Trinity River at Grays Falls Campground 310 Comment
  HSC68774  Epilobium minutum Thomas W. Nelson, Jane P. Nelson 1980-6-19 5656 Trinity Shasta-Trinity National Forest, Rattlesnake Ridge along Forest Servcie Rd. 29N62, 1.3 mi. W of junction with FS Rd. 29N58 1220 Comment
  HSC67460  Epilobium minutum Thomas W. Nelson, Jane P. Nelson 1980-5-25 5324 Trinity Along Covelo-Zenia Rd., 1.5 mi. S of Lake Mtn. Ranch. 823 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
  CHSC61660  Epilobium siskiyouense Vernon H. Oswald; Lawrence P. Janeway 1993-8-29 5882 Trinity Meadowy cirque above and E of Upper Deadfall Lakes, below (W of) the summit of Mt. Eddy, ca. 8 mi (air) SW of Weed. Along the trail above the meadow. 2426 Comment
  RSA211351  Epilobium siskiyouense William J. Ferlatte 1967-8-17 973 Trinity Red Rock Mountain. 2134 Comment
  UC1225887  Epilobium siskiyouense Helen K. Sharsmith Aug 27 1960-Aug 29 1960 4835 Trinity near ridgetop between Marshy Lake and Mosquito Lake (facing ne); Shasta National Forest, Salmon-Trinity Alps Wilderness Area 2103 Comment
  CHSC3476  Equisetum telmateia subsp. braunii Roger Jaegel 1966-4-3 84 Trinity Located three miles west of Hayfork. Comment
  UC2128721  Eragrostis cilianensis Joseph P. Tracy 1919-9-15 5215 Trinity Hawkins Bar; Northern Coast Ranges, Hawkins Bar 243 Comment
  SEINET10897387  Eragrostis mexicana subsp. virescens Richard W. Spellenberg 1970-8-16 Spellenberg 2300 Trinity 2 miles south of Burnt Ranch then 1 mile west of California 299 on Spellenberg property. Comment
  CHSC31059  Eremogone congesta M. S. Taylor 1980-7-23 3182 Trinity End of lower Bluff Lake Rd (40N98). Edge of meadow, ca. 18.6 mi ne of Hwy 3 at Trumble Ranch. 1920 Comment
  RSA0045088  Eremogone congesta Lester Rowntree 1936-7-12 s.n. Trinity Near the Divide, Trinity Mts. Comment
  CAS-BOT-BC174257  Eremogone congesta var. congesta Eugene Carter 1972-6-21 460 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity. (18 mi. NW of Weaverville) 2 miles west of Hobo Gulch 1691 Comment
  CAS-BOT-BC174258  Eremogone congesta var. congesta Eugene Carter 1973-7-24 634 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity. (18 mi. NW of Weaverville) Along the Grizzly Creek Trail 1645 Comment
  SEINET12875583 Image available Eremogone congesta var. suffrutescens Louise Kellogg, Annie M. Alexander 1948-1 5392 Trinity Lower Canyon Lake. 1737 Comment
  HSC46937  Ericameria bloomeri William J. Ferlatte 1976-9-21 1838 Trinity Big Flat at head of Coffee Creek; SE side of ephemeral pond (Lake Martin), on E side of Coffee Creek Rd. 1524 Comment
  JEPS24001  Ericameria greenei Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-2 6862 Trinity summit Scott Mt. 2072 Comment
  HSC40116  Ericameria nauseosa Thomas W. Nelson, James Nelson 1976-10-25 3275 Trinity Along W side of Red Lassic 1707 Comment
  CAS-BOT-BC294323  Ericameria nauseosa var. speciosa P. C. Everett; E. K. Balls 1959-10-23 23930 Trinity 3.7 mi. n. from Eagle Creek F.S. Camp along road to Callaban 914 Comment
  JEPS74542  Erigeron cervinus William J. Ferlatte 1966-7-1 176 Trinity Boulder Creek basin, tributary to Canyon Creek Trinity Alps, Boulder Creek basin, trib to Canyon Creek 1706 Comment
  CAS-BOT-BC294964  Erigeron compositus Annie M. Alexander; Louise Kellogg 1949-7-4 5768 Trinity South side, North Yolla Bolly, Yolla Bolly Middle Eel Primitive Area 2286 Comment
  UC130587  Erigeron compositus H. M. Hall 1909-7-1 8582 Trinity Dorleska Heights Salmon Mountains, Dorleska Heights 2164 Comment
  CAS-BOT-BC234206  Erigeron divergens F. Almeda 1993-7-29 7314 Trinity About 15 miles W of Coffee Creek and about 1 mile N of Mt. Meadow Ranch off of Coffee Creek Rd. 1554 Comment
  CAS-BOT-BC234211  Erigeron divergens David D. Keck 1949-7-20 6380 Trinity Big Flat, as Siskiyou County line, north boundary of Salmon-Trinity Alps Primitive Area, Shasta Natl Forest, on meadow borders 1545 Comment
  SEINET200723  Erigeron foliosus var. confinis Joseph P. Tracy 1935-8-2 14437 Trinity Potato Mt., west slope. 1829 Comment
  UCD131954  Erigeron glacialis var. glacialis Joseph M. DiTomaso 1975-7-31 223 Trinity Trinity Alps; Tangle Blue Lake. 1737 Comment
  SEINET10474622  Erigeron inornatus var. angustatus Mary Susan Taylor 1980-8-13 Taylor 3229 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
  CHSC117813  Erigeron inornatus var. inornatus L. P. Janeway; B. Castro 2016-8-1 12134 Trinity Klamath Ranges. Tamarack Lake, Trinity Mountains. 1785 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
  HSC75616  Erigeron inornatus var. inornatus J. O. Sawyer, D. A. Thornburgh 1980-9-15 4092 Trinity Proposed Ruth Research Natural Area 1372 Comment
  HSC78304  Erigeron inornatus var. inornatus John S. Palmer 1974-9-14 263 Trinity Bear Lakes area 1677 Comment
  JEPS89708  Erigeron inornatus var. inornatus Dean W. Taylor 1992-9-18 13240 Trinity Cement Bluff Lake, The Eddys (Trinity River watershed) Cement Bluff Lake; North Coast Ranges, , The Eddys 1935 Comment
  HSC357  Erigeron lassenianus William J. Ferlatte 1967-8-17 968 Trinity Flat bench on ridge W of head of Bullards Basin 2043 Comment
  CAS-BOT-BC295479  Erigeron lassenianus var. lassenianus Annie M. Alexander; Louise Kellogg 1948-8-14 5485 Trinity Trinity Mountains. Stuarts Fork of Trinity River 716 Comment
  UC130573  Erigeron lassenianus var. lassenianus H. M. Hall July, 1909 8628 Trinity Bullard Basin Salmon Mountains 1859 Comment
  UCD132017  Erigeron petrophilus W. C. Overton Jr. 1977-7-9 s.n. Trinity on trail from Big Flat (on divide between Coffee Creek and South Fork of Salmon River) to lookout on Packers Peak, Shasta National Forest. 2072 Comment
  HSC767  Erigeron petrophilus var. viscidulus William J. Ferlatte 1967-8-16 940 Trinity E side of Packers Peak 1982 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
  JEPS75972  Erigeron petrophilus var. viscidulus William J. Ferlatte 1974-8-16 1660 Trinity Deer Creek Pass, Siligo Peak-Summit Lake area Trinity Alps 2286 Comment
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Jun 11 2012
  RSA211211  Erigeron petrophilus var. viscidulus William J. Ferlatte 1966-8-19 450 Trinity Ward Lake. 2226 Comment
  RSA50263  Erigeron petrophilus var. viscidulus E. K. Balls 1949-7-4 13812 Trinity By Chloride Mine above Dedrick 915 Comment
  CAS-BOT-BC300267  Erigeron reductus var. reductus David D. Keck 1949-7-20 6377 Trinity 1 mile S. of Scott Mt. Summit 1524 Comment
  CAS-BOT-BC300268  Erigeron reductus var. reductus David D. Keck 1949-7-20 6377 Trinity 1 mi. S. of Scott Mt., Summit 1524 Comment
  CAS-BOT-BC189028  Eriodictyon californicum L. B. Kildale 1931-7-7 s.n. Trinity The Knob, Deer Lick Springs Comment
  CAS-BOT-BC189027  Eriodictyon californicum Annie M. Alexander 1948-9-1 5562 Trinity Chloride Mine Trail, Dedrick 1219 Comment
  SEINET5728822 Image available Eriogonum Lowell E. Urbatsch, Patricia B. Cox; Alan W. Lievens 1988-1 6145 Trinity Collected in a ditch along Eagle Creek Road (Co. Rd. 133), 0.45 mile from the intersection with California 3. This intersection is 40.5 road miles north of the junction of California 3 and California 299 in Weaverville.; Weaverville Comment
  RSA249384  Eriogonum compositum var. compositum D. E. Anderson, Thomas Nelson, S. Dowty 1972-6-14 5670 Trinity Trinity-Humboldt Cos: A large barren Franciscan Rock along Swayback Ridge; Senteney Rock. Comment
  HSC17409  Eriogonum compositum var. compositum J. F. Knezevich 1967-6-1 172 Trinity W of Junction City on Hwy. 299 Comment
  RSA66400  Eriogonum compositum var. compositum P. A. Munz 1951-7-18 16630 Trinity North slope of North Yolla Bolly Peak, N Yolla Bolly Mtns. Line of Tehama and Trinity county. 1982 Comment
  CHSC117310  Eriogonum congdonii L. P. Janeway; B. Castro 2016-8-1 12140 Trinity Klamath Ranges. Crest of the Trinity Mountains, 0.5 air-km east of Tamarack Lake. 1876 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
  CAS-BOT-BC242534  Eriogonum congdonii Cantelow; Herbert Cantelow 1937-8-20 1874 Trinity Above head of Bear Creek 2133 Comment
  HSC30265  Eriogonum diclinum William J. Ferlatte 1972-8-7 1412 Trinity Boulder Creek basin, tributary to Canyon Creek 1738 Comment
  CAS-BOT-BC253246  Eriogonum fasciculatum var. foliolosum John Thomas Howell 1955-7-16 30657 Trinity Trinity River Canyon 2 miles east of Junction City 487 Comment
  HSC68855  Eriogonum libertini Thomas W. Nelson, Jane P. Nelson 1980-6-22 5723 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
  CAS-BOT-BC259374  Eriogonum lobbii John Thomas Howell 1937-7-25 13506 Trinity Stuarts Fork of Trinity River 2225 Comment
  CAS-BOT-BC263689  Eriogonum luteolum var. luteolum John Thomas Howell 1955-7-13 30669 Trinity 6 miles southwest of Douglas City 609 Comment
  HSC43466  Eriogonum marifolium Jennifer Whipple 1977-7-19 1974 Trinity Klamath Mtns., Mt. Eddy, Deadfall Creek drainage in the vicinity of Deadfall Lakes 2378 Comment
  HSC81577  Eriogonum marifolium Thomas W. Nelson, Jane P. Nelson 1980-7-17 6096 Trinity Along FS Rd. 17 at summit at county line 2073 Comment
  CHSC66340  Eriogonum nudum var. nudum V. H. Oswald; Lowell Ahart, Robin Ondricek-Fallscheer 1996-7-1 7921 Trinity Deer Lick Knob Rd. (Forest Route 1) 7.1 mi (odometer) N of Hwy. 36 (via Harrison Gulch Rd.), NW of Platina. 1365 Comment
  HSC33276  Eriogonum nudum var. nudum Thomas W. Nelson 1973-8-19 1105 Trinity N of Black Lassic 1524 Comment
  HSC43446  Eriogonum nudum var. nudum Jennifer Whipple 1976-7-26 1588 Trinity W and SW facing slopes above Deadfall Creek 2378 Comment
  UC183549  Eriogonum nudum var. nudum Joseph P. Tracy 1913-6-24 4305 Trinity 6 mi above Ruth (hillslopes of Mad River Valley); Mad River Valley 914 Comment
  UC184661  Eriogonum nudum var. nudum Harry S. Yates 1914-6-2 392 Trinity Rush Creek Comment
  CAS-BOT-BC264824  Eriogonum nudum var. nudum Mrs. H. C. Cantelow 1939-6-9 s.n. Trinity 9.2 mi SE of Dinsmore Comment
  CAS-BOT-BC264840  Eriogonum nudum var. nudum Mrs. H. C. Cantelow 1939-6-7 s.n. Trinity 9.2 miles SE of Dinsmore Comment
  CHSC1324  Eriogonum nudum var. oblongifolium V. Holt 1942-8-13 Trinity E. Stuart Fork 1219 Comment
  CHSC88874  Eriogonum nudum var. pubiflorum L. P. Janeway 2004-9-15 8325 Trinity Klamath Ranges. Turnout on northeast side of Hwy 299 2.0 (road) km east-southeast of Buckhorn Station, about 60 m north-east of Grass Valley Creek. 795 Comment
  CAS-BOT-BC268629  Eriogonum spergulinum var. reddingianum P. A. Munz 1951-7-20 16712 Trinity Fisher Ridge, east of Black Rock, North Yolla Bolly Mts. 2194 Comment
  JEPS56303  Eriogonum strictum var. greenei Joseph P. Tracy 1935-8-9 14724 Trinity ridge n Devil's Canyon (Jake's Hunting Ground); New River Mts. 1524 Comment
  UC1299706  Eriogonum strictum var. proliferum Freed W. Hoffman 1949-7-14 3057 Trinity Blue Ridge North Coast Ranges, Mount Lassic Group, Blue Ridge 1524 Comment
  UCR45378  Eriogonum ternatum Thomas W. Nelson, R. J. Cole, Jane P. Nelson 1979-7-27 5062 Trinity Along State Route 36 just west of Muldoon Gulch 1250 Comment
  CHSC118363  Eriogonum umbellatum Dean Wm. Taylor; Lusetta Nelson, Aaron Sims 2013-5-9 21367 Trinity Ultramafic Flora of the Klamath Ranges. Bonanza King, along the ridge about 100 meters northwest of the lookout tower on the summit. 2087 Comment
  HSC54289  Eriogonum umbellatum G. L. Clifton, Butler 1979-7-17 7458 Trinity Near Horse Ridge Mtn., close to the town of Mad River 1851 Comment
  CAS-BOT-BC268004  Eriogonum umbellatum var. argus Anna Junkans 1916-7-20 s.n. Trinity Mt. Bally 2060 Comment
  HSC763  Eriogonum umbellatum var. argus William J. Ferlatte 1967-8-16 935 Trinity E side of Packers Peak 1982 Comment
  JEPS94022  Eriogonum umbellatum var. argus Vernon H. Oswald and Lowell Ahart 1998-7-28 9371 Trinity Hwy. 36 4.8 mi. w. of Wildwood Rd., 7.3 mi. e. of Hwy. 3 1249 Comment
  HSC46884  Eriogonum umbellatum var. dumosum William J. Ferlatte 1974-8-16 1659 Trinity Deer Creek Pass above Siligo Meadows 2285 Comment
  HSC43439  Eriogonum umbellatum var. nelsoniorum Jennifer Whipple 1976-8-4 1623 Trinity Mt. Eddy, S facing slopes N of Deadfall Lake in the Deadfall drainage 2195 Comment
  HSC92428  Eriophorum crinigerum Jennifer Whipple 1977-8-3 2126 Trinity N of Lower Deadfall and Deadfall Lakes along the creek draining the upper Deadfall Lakes. 2165 Comment
  HSC72513  Eriophyllum lanatum Gail Newton 1980-7-1 794 Trinity Near Hayden Roughs. 1250 Comment
  HSC82100  Eriophyllum lanatum Thomas W. Nelson, Jane P. Nelson 1980-5-25 5281 Trinity Along trail from Blue Jay Mine-Little Red Mtn. Creek 1189 Comment
  HSC27847  Eriophyllum lanatum Richard Spjut 1973-5-29 3403 Trinity In Trinity River Canyon along Hwy. 299 from Big Flat to Junction City 152 Comment
  RSA50172  Eriophyllum lanatum var. achilleoides E. K. Balls 1949-7-6 13837 Trinity Between Covington's and Lavey's sawmills, Minersville to Trinity Center 701 Comment
  CAS-BOT-BC308204  Eriophyllum lanatum var. grandiflorum Philip A. Munz 1952-6-29 17817 Trinity .25 mi. s. of Hobo Gulch Public Camp, North Fork of Trinity River, north of Helena 960 Comment
  HSC34891  Eriophyllum lanatum var. grandiflorum Thomas W. Nelson 1975-5-17 1834 Trinity Beside Hwy. 299 just E of Big Bar. Comment
  HSC68598  Eriophyllum lanatum var. grandiflorum Thomas W. Nelson, Jane P. Nelson 1980-6-18 5542 Trinity Along Hwy. 3, 0.4 mi. S of Salt Creek Bridge 762 Comment
  UC175389  Eriophyllum lanatum var. grandiflorum Joseph P. Tracy 1913-6-24 4285 Trinity 6 mi above Ruth (hillslopes of valley); Mad River Valley 914 Comment
  RSA49820  Eriophyllum lanatum var. lanceolatum E. K. Balls 1949-7-1 13761 Trinity Trail from Dedrick to Lakes, Canyon Creek. 1067 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
  HSC28992  Erodium botrys J. P. Smith 1973-4-21 6285 Trinity Along Coffee Creek Rd. leading to Coffee Creek Ranch. 610 Comment
  UC1198968  Erodium cicutarium Joseph P. Tracy 1932-6-17 10186 Trinity Three Forks of Mad River North Coast Ranges 883 Comment
  UC1197361  Eryngium articulatum Joseph P. Tracy 1936-8-6 15080 Trinity vicinity of Salyer; Northern Coast Ranges 182 Comment
  HSC22808  Erysimum capitatum var. capitatum D. E. Anderson, D. Santana, J. Lackey 1971-7-15 5288 Trinity Above Van Duzen River Comment
  HSC43260  Erysimum capitatum var. capitatum K. Irwin 1977-5-21 381 Trinity Hwy. 3, 5 mi. E of Callahan Comment
  CAS-BOT-BC54944  Erysimum perenne Gilbert Muth 1965-8-6 s.n. Trinity On trail to backside of Black Mountain. Comment
  CAS-BOT-BC153754  Erythranthe alsinoides Eugene Carter 1975-4-9 924 Trinity East Fork of North Fork Trinity River. On the Rich Gulch Trail 609 Comment
  UCR95784  Erythronium Dorothy Parker 1969-5-11 s.n. Trinity Tangle Blue Creek, Scott Mtn, on Trinity side 1220 Comment
  CHSC71060  Erythronium californicum Vernon Oswald; Lowell Ahart 1998-5-14 9056 Trinity Wildwood Rd. 0.8 mi north of Hwy. 36 west of Plantina. 1158 Comment
  HSC38606  Erythronium californicum J. P. Smith 1973-4-7 5950 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
  HSC59833  Erythronium californicum Clark L. Miller 1979-4-13 388 Trinity Grays Falls Campground along path to Trinity River Comment
  HSC69811  Erythronium californicum Thomas W. Nelson 1978-5-26 3812 Trinity NW facing slope along Hwy. 3, just S of Peanut 793 Comment
  JEPS100576  Erythronium californicum Dean W. Taylor 2002-5-8 18032 Trinity ca. 3.1 mi South from Highway 26 Wild-Mad Road; Hayfork Creek; Hayfork Creek, Wild-Mad Road ca. 3.1 mi South from Highway 26 1097 Comment
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Feb 1 2019
  JEPS98765  Erythronium californicum Sue Pappalardo 1993-5-19 363 Trinity NW side of Forest Road 2N15, Hayfork Road Shasta-Trinity National Forests 1270 Comment
  HSC15492  Erythronium californicum R. Spellenberg, D. Sutherland, A. Sylvester 1966-4-27 1364 Trinity Burnt Ranch, 1.0 mi. W of the Trinity River along MacDonald Creek Comment
  HSC37483  Erythronium californicum M. G. Schmidt May 1976 18 Trinity Along N flank of Dubakella near Red Mtn. Motorway Comment
  CHSC115031  Erythronium citrinum var. roderickii Botany Crew 2003-3-25 8102 Trinity Sunflower Flat, NE. 975 Comment
  HSC73367  Eschscholzia californica R. York 1980-5-25 780 Trinity Near Shannon Butte 914 Comment
  RSA20953  Eschscholzia californica var. crocea Carl B. Wolf 1937-6-20 8926 Trinity Along Mad River, 5 8/10 mi. above Eureka - Red Bluff Road on Road to Ruth. 457 Comment
  UC581740  Eucephalus ledophyllus Joseph P. Tracy 1935-8-7 14648 Trinity head of White's Creek Devil's Canyon Mts. 2072 Comment
  UC933467  Eucephalus ledophyllus Annie M. Alexander and Louise Kellogg 1948-8-18 5501 Trinity south side of East Fork Canyon Creek Lake Trinity Mountains 1752 Comment
  HSC291  Eucephalus ledophyllus var. ledophyllus William J. Ferlatte 1967-8-17 977 Trinity Ridge between Landers Lake and Union Lake 2134 Comment
  HSC82632  Euphorbia crenulata Thomas W. Nelson 1979-5-13 4651 Trinity Along road from S.R. 3 to Deerlick Springs ca. 2 mi. S of Blanchard Flats 640 Comment
  HSC34685  Festuca californica Dryden 1975-5-16 172 Trinity Trails above the Trinity River at Gray Falls Campground. 310 Comment
  UC191535  Festuca californica Harry S. Yates 1914-1 376 Trinity Browns Creek Comment
  CAS-BOT-BC282633  Festuca idahoensis Richard Spellenberg 1965-6-12 1104 Trinity At summit of Underwood Mtn. Pass, Underwood Mtn. Road ca. 12 mi. s.w. of Burnt Ranch Comment
  CAS-BOT-BC282637  Festuca idahoensis David D. Keck 1944-7-10 5471 Trinity Muldoon Gulch, 3 miles west of Wildwood 1036 Comment
  CAS-BOT-BC282638  Festuca idahoensis Doris Kildale 1931-5-30 10817 Trinity Weaverville Comment
  HSC26193  Festuca idahoensis J. P. Smith, J. O. Sawyer 1972-5-27 5319 Trinity 0.5 mi. N of Eagle Creek Campground 869 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
  JEPS123121  Festuca occidentalis D. Burge and J. Nelson with Jepson Herbarium workshop participants 2015-6-26 JHWS- 045 Trinity Trinity Creek Watershed Comment
  UC191142  Festuca occidentalis Harry S. Yates 1914-5-21 342 Trinity Little East Weaver Creek Comment
  CAS-BOT-BC227199  Festuca rubra Eugene Carter 1975-6-19 972 Trinity North Fork Trinity River. North of Raymond Flat 670 Comment
  JEPS94229  Fragaria vesca Vernon Oswald and Lowell Ahart 1998-5-14 9054 Trinity Wildwood Road 0.8 mi n of Highway 36 w of Platina; Wildwood Road 1158 Comment
  JEPS87091  Fragaria vesca Teresa Sholars and Betty Stechmeyer 1988-6-24 913 Trinity edge of Cow Chip Creek (dead end road (Rd 4N01)) 1371 Comment
  CAS-BOT-BC457585  Fragaria vesca subsp. californica Eugene Carter 1971-6-20 243 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity, 18 miles NW of Weaverville. Along North Fork Trail, south end of Rooster Flat, 1/2 mile north of China Creek. 944 Comment
  SJSU7601  Frangula californica D. A. Zwack 1965-10-10 10 Trinity near Eleanor L on Swift Cr Rd in Trinity Alps W of Trinity Center 1588 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
  SD230282  Frangula californica subsp. crassifolia Louis C. Wheeler 1959-7-28 7610 Trinity Tule Creek: Near Two Sugar Pines Mine Clame, ca. 4 miles SW of Hayfork. Open in coniferous forest . Comment
  HSC100169  Frangula californica subsp. occidentalis J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-7-9 12984 Trinity Along Forest Service Road 38N85 to the Bonanza King Lookout. 1521 Comment
  HSC39026  Frangula californica subsp. tomentella J. P. Smith, J. O. Sawyer 1975-6-22 8236 Trinity Trinity National Forest Rd. 30N38 from Hwy. 36 to Cold Springs Campground. 762 Comment
  SEINET193051  Frasera albicaulis subsp. nitida Lester Rowntree 1936-7-10 Trinity Between Callahan and Trinity Center Comment
  UCR39815  Frasera albicaulis var. nitida M. Mayer, Steve Meredith, Dave Bjornbak 1985-6-1 100 Trinity Eagle Creek Campground 854 Comment
  RSA256743  Frasera speciosa D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5630 Trinity Between 1S07 and Senteney Rock along 4-wheel-drive road. Swayback Ridge. Comment
  CAS-BOT-BC227087  Fraxinus latifolia Eugene Carter 1975-7-26 1040 Trinity North Fork Trinity River. Off the road south of Helena 426 Comment
  CAS-BOT-BC223486  Fraxinus latifolia Mrs. H. C. Cantelow 1937-8-18 1868 Trinity S. of Scott Ranch nr. Mr. Hunter's cabin Comment
  CHSC63949  Fritillaria affinis A. M. Walsh 1990-4-8 15 Trinity Forest Svs. Campground 'Big Bar' on Trinity River, near Big Bar, off hwy 299. Specimen on trail to Trinity R., 1/4 mi from campground. Comment
  UC922501  Fritillaria atropurpurea Annie M. Alexander and Louise Kellogg 1949-7-13 5800 Trinity nw of Trinity Center (Union Creek, South branch of Coffee Creek, Trail to Bear Lake); Union Creek, Coffee Creek, Trail to Bear Lake 1828 Comment
  HSC573  Fritillaria atropurpurea William J. Ferlatte 1967-6-28 564 Trinity E side of Packers Peak, 7600 ft 1982 Comment
  HSC86122  Fritillaria atropurpurea J. O. Sawyer 1983-6-17 4208 Trinity Ridge of Scott Mtn. 1951 Comment
  JEPS61949  Fritillaria purdyi Wendell Philips 1915-4-16 Trinity Lewiston Comment
  HSC44860  Fritillaria recurva J. P. Smith 1975-5-17 8135 Trinity Middle Fork of Philpot Creek and Philpot Campground on Plummer Peak Rd. 825 Comment
  RSA258855  Fritillaria recurva D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-13 5538 Trinity Black Lassic. 1738 Comment
  UC1222540  Fritillaria recurva Joseph P. Tracy 1950-4-20 18629 Trinity 4 mi se of Low Gap (near Kuntz, Van Duzen River); Van Duzen River 792 Comment
  CAS-BOT-BC504476  Fritillaria recurva Doris K. Kildale 1929-4-28 7470 Trinity Low Gap of Mad River Comment
  JEPS77666  Fritillaria recurva William J. Ferlatte 1975-5-21 1691 Trinity 1.9 mi. w. of Hwy. 3 near Weber Flat (Canyon of Stuart Fork Trinity R.); Trinity Alps, Canyon of Stuart Fork Trinity R. 790 Comment
  HSC40353  Galium ambiguum Linda M. Barker, Raul Tuazon 1976-5-1 1442 Trinity Hwy. 3, 2 mi. N of junction with Hwy. 36 884 Comment
  JEPS120223  Galium ambiguum Julie Kierstead Nelson with Christy Wagner 2011-6-21 2011 -021 Trinity At end of Forest Rd. 29N81A, west of Bramlet Road (Forest Road 30N29) south of HIghway 36W; 13 miles south of Hayfork. Comment
  JEPS25721  Galium ambiguum subsp. ambiguum Lauramay T. Dempster and G. L. Stebbins Jr. 1964-6-14 4009 Trinity on White Rock rd 0.3 mi from Highway 36 (w of Harrison Gulch Ranger Sta.) 609 Comment
  JEPS52711  Galium ambiguum subsp. ambiguum Lauramay T. Dempster and G. L. Stebbins Jr. 1964-6-15 4026 Trinity road from Ruth to Zenia 12.8 mi w junction with Mad River road (ca 1/2 mi w of Van Duzen River) 914 Comment
  JEPS52719  Galium ambiguum subsp. ambiguum Lauramay T. Dempster and G. L. Stebbins Jr. 1964-6-13 4004 Trinity just ne Ball Rock (summit of ridge, near junction Ball Rock and Bailey Ridge (Tatham Ridge) roads) 1676 Comment
  UC1220352  Galium bifolium Joseph T. Gregory 1935-8-6 930 Trinity first cirque s Lake; Devil's Canyon Mts. 1889 Comment
  HSC35652  Galium bolanderi Thomas W. Nelson 1975-7-20 2064 Trinity Black Lassic Area 1799 Comment
  POM367786  Galium bolanderi N. G. Sugihara 1977-5-21 45 Trinity Eagle Creek Campground. 851 Comment
  JEPS52879  Galium californicum subsp. californicum Lauramay T. Dempster and G. L. Stebbins 1964-6-15 4033 Trinity on road to Covelo 16.1 mi s junction of Zenia-Ruth road (between Hoaglin rd and Lake Mountain, crest and e-facing slopes) Comment
  JEPS95301  Galium grayanum var. grayanum Vernon H. Oswald and L. Ahart 1994-7-11 6396 Trinity T39N R6W Sec. 35, 6280 ft, Red Fir Forest. Forest Rd. 26 (to Mt. Shasta), 7.8 mi N of Castle Creek Rd. (Forest Rd. 25), between Mumbo Creek and Gumboot Trailhead on the Pacific Crest Trail, W of Dunsmuir. On a steep rocky and brushy slope in open forest. 1914 Comment
  HSC57277  Galium mexicanum var. asperrimum G. L. Clifton, Butler 1979-7-18 8425 Trinity Near Jones Ridge, close to the town of Alderpoint 1158 Comment
  CHSC71551  Galium mexicanum var. asperulum Vernon H. Oswald 1998-7-28 9385 Trinity Rattlesnake Rd. along the west side of Post Creek 0.2 mi north of Hwy. 36, east of Forest Glen. 780 Comment
  HSC72564  Galium porrigens Gail Newton 1980-7-1 761 Trinity Near Hayden Roughs. 1250 Comment
  HSC72745  Galium porrigens Gail Newton 1980-7-1 866 Trinity Near Hayden Roughs 1219 Comment
  HSC19814  Galium porrigens var. porrigens Lauramay T. Dempster, G. L. Stebbins 1963-7-7 3840 Trinity Above Weaverville 640 Comment
  HSC72936  Garrya buxifolia R. York 1980-5-24 718 Trinity Near Long Ridge. 1036 Comment
  CAS-BOT-BC182202  Garrya fremontii Alice Eastwood; John Thomas Howell 1937-6-25 4957 Trinity Between Coffee and Eagle Creeks Comment
  CAS-BOT-BC182216  Garrya fremontii C. Hart Merriam 1918-8-27 s.n. Trinity Junction Comment
  CHSC35559  Garrya fremontii Thomas W. Nelson; Jane P. Nelson 1976-2-7 2260 Trinity Pigeon Point. Above Trinity River. Comment
  JEPS123167  Garrya fremontii D. Burge and J. Nelson with Jepson Herbarium workshop participants 2015-6-27 JHWS- 141 Trinity Scorpion Lake Comment
  RSA517026  Garrya fremontii Barbara Ertter, Thomas Delendick 1987-5-16 6956 Trinity Hwy 299 W of Weaverville, ca 33 mi E of Berry Summit, edge of Trinity River on S side of hwy. Comment
  UC1347177  Garrya fremontii Alice Eastwood and John Thomas Howell 1937-6-25 4957 Trinity between Coffee Creek and Eagle Creek Comment
  UC933380  Garrya fremontii Annie M. Alexander and Louise Kellogg 1948-9-1 5563 Trinity Dedrick Trinity Mountains (Cloride Mine Trail) 1219 Comment
  UCD23629  Garrya fremontii Rodney Gale Myatt 1971-9-21 1125 Trinity Burnt Ranch. Along side Hwy 299, about 20 mi. east of the town of Willow Creek. 426 Comment
  CAS-BOT-BC182201  Garrya fremontii C. Hart Merriam 1918-8-27 s.n. Trinity Junction Canyon Creek Comment
  CAS-BOT-BC94902  Gayophytum diffusum subsp. parviflorum R. C. Wenk 2005-6-17 161 Trinity Coffee Creek, Big Flat Meadow, N end of meadow 1524 Comment
  HSC73488  Gayophytum heterozygum Gail Newton 1980-7-12 1369 Trinity Near Red Lassic 1798 Comment
  UC562354  Gayophytum heterozygum Joseph P. Tracy 1935-8-7 14646 Trinity White's Creek Devil's Canyon Mts. (at head) 2072 Comment
  HSC59979  Gayophytum heterozygum M. A. Ericksen 1979-6-22 354 Trinity Horsehead Mtn., S slope 1774 Comment
  POM253699  Gayophytum heterozygum C. L. Hitchcock, J. S. Martin 1939-7-10 5344 Trinity Ca. 10 miles east of Douglas City. 915 Comment
  UC1222841  Gayophytum humile Joseph P. Tracy 1950-7-25 19053 Trinity 1 mi s the Racetrack; South Fork Mountain 1645 Comment
  UC562423  Gayophytum humile Joseph P. Tracy 1935-8-3 14446 Trinity Mary Blaine Mt.; along streamlet 1950 Comment
  RSA21143  Gayophytum humile Carl B. Wolf 1937-8-12 9171 Trinity North Coast Range, South Fork Mountain, 5.7 miles south of Cold Spring Lookout 1372 Comment
  UCD102202  Gentiana calycosa Daniel Sanchez-Mata; Tomas Santamaria 2008-7-31 s.n. Trinity Carrville. Shasta-Trinity National Forest. Bonanza King Lookout Road to Scorpion Lake. 1420 Comment
  CHSC76759  Gentiana newberryi var. newberryi L. P. Janeway; B. Castro 1999-9-12 6583 Trinity Klamath Ranges. Small drainage between meadowy cirque and upper Dead Fall Lakes; 0.8 km west of top of Mount Eddy. 2390 Comment
  UCD121462  Gentianella amarella subsp. acuta Joseph M. DiTomaso 1975-8-25 290 Trinity Parker Meadows. 1615 Comment
  UCD113291  Geum macrophyllum Joseph M. DiTomaso 1975-7-22 179 Trinity 1/8 mile off Boulder Cree on Lion Lake Trail. 1645 Comment
  UC922317  Geum macrophyllum var. perincisum Annie M. Alexander and Louise Kellogg 1949-6-26 5707 Trinity n of Yolla Bolly Middle Eel Primitive Area (White Rock Ranger Station); White Rock Ranger Station 1706 Comment
  RSA789784  Gilia capillaris Rebecca Wenk 2005-7-18 276 Trinity Scott Mountains, border between Trinity and Siskiyou Counties. Growing along Pacific Crest Trail, 1 mi east of Hwy 3. 1750 Comment
  HSC1883  Gilia capitata William J. Ferlatte, B. D. Rogers 1966-6-1 2036 Trinity 2 mi. N of Junction City 579 Comment
  HSC68667  Gilia capitata Thomas W. Nelson, Jane P. Nelson 1980-6-17 5537 Trinity Shasta-Trinity National Forest, along FS Rd. 1N12, 1.1 mi. from junction with FS Rd. 2N07 1006 Comment
  HSC68687  Gilia capitata Thomas W. Nelson, Jane P. Nelson 1980-6-18 5589 Trinity Shasta-Trinity National Forest, along FS Rd. 1N10, 1 mi. from junction with FS Rd. 2N07 1372 Comment
  CHSC71545  Gilia capitata subsp. capitata Vernon H. Oswald; Lowell Ahart 1998-7-28 9384 Trinity Rattlesnake Rd. along the west side of Post Creek 0.2 mi north of Hwy. 36, east of Forest Glen. Along the edge of the road. 780 Comment
  HSC98439  Gilia capitata subsp. capitata Dana York, J. R. Shevock, Richard Helliwell 2009-7-3 2957 Trinity 82 mi. W of Redding, Shasta-Trinity National Forest, on Limestone Ridge 1928 Comment
  SBBG25912  Gilia capitata subsp. capitata D. Myrick 1966-8-7 1468 Trinity White Rock Camp, North Yolla Bolly Mtns 1828 Comment
  CDA40042  Gilia capitata subsp. capitata Vernon H. Oswald & Lowell Ahart 1998-7-28 9384 Trinity Rattlesnake Road along the west side of Post Creek, 0.2 mile north of Highway 36, east of Forest Glen. 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
  JEPS11827  Githopsis specularioides Joseph P. Tracy 1932-6-17 10221 Trinity Three Forks of Mad River North Coast Ranges 883 Comment
  CHSC53672  Glyceria occidentalis L. P. Janeway 1987-6-29 2386 Trinity Old floodplain of Trinity River near mouth of Grass Valley Cr; on N side of Lewiston Rd 1.8 mi from hwy 299. 'Lowden Ranch. 533 Comment
  HSC92563  Glyceria striata Jennifer Whipple 1977-9-9 2257 Trinity N of Lower Deadfall and Deadfall Lakes along the creek draining the upper Deadfall Lakes 2165 Comment
  HSC65582  Glyceria striata Donald W. Miles 1979-6-30 12 Trinity Along Mumbo Creek Rd. 1463 Comment
  HSC304  Gnaphalium palustre William J. Ferlatte 1966-8-16 375 Trinity Big Flat. 1524 Comment
  RSA42023  Gnaphalium palustre H. C. Cantelow 1936-8-25 1568 Trinity Scott Ranch; near Saw Mill. Comment
  RSA168826  Gnaphalium thermale Joseph P. Tracy 1942-9-6 17315 Trinity 1 mile S of McKay Camp. 1707 Comment
  SEINET8726301 Image available Godetia quadrivulnera Unknown 1942-1 11627 Trinity Hettenshaw Valley 945 Comment
  CHSC2346  Goodyera oblongifolia V. Holt 1942-8-13 Trinity E. Stuart Creek. 1524 Comment
  UC1198807  Guillenia lasiophylla Joseph P. Tracy 1936-8-6 15081 Trinity e of Hawkins Bar; Happy Camp Mt. 1066 Comment
  JEPS67919  Hackelia bella Joseph P. Tracy 1933-7-15 12741 Trinity South Fork Mountain; Northern Coast Ranges, South Fork Mountain 1524 Comment
  RSA67509  Hackelia bella P. A. Munz 1951-7-20 16723 Trinity near Black Rock Lake. North Yolla Bolly Mts. 1982 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
  HSC57241  Hackelia micrantha G. L. Clifton 1979-7-16 7836 Trinity Near Pickett Peak, close to the town of Mad River 1695 Comment
  CAS-BOT-BC183600  Hackelia micrantha Eugene Carter 1975-6-26 1017 Trinity North Fork Trinity River. Grizzly Creek. Pegleg Flat 1066 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
  JEPS109960  Harmonia doris-nilesiae Dean W. Taylor 2007-5-15 20112 Trinity Browns Creek Road (County Road 835 on USGS quadrangle), 1 road mile S of junction with USFS Road 31N07 (site is ca. 10 air miles S of Douglas City) 701 Comment
  JEPS83256  Harmonia doris-nilesiae Thomas W. Nelson and Barbara Williams 1983-6-14 7422 Trinity along forest road 1N40 1/4 mi e junction with road 1N35 (9 airline mi s of Hayfork); North Coast Ranges, Shasta-Trinity National Forest 1097 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
  HSC28248  Hastingsia alba Thomas W. Nelson 1973-7-14 1083 Trinity Beside Deadfall Creek, just west of head of trail to Deadfall Lake 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
  UC1101056  Hastingsia alba Herbert L. Mason 1950-7-15 14051 Trinity summit of grade Scott Mountain 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
  UCD101218  Hastingsia alba 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
  CAS-BOT-BC506191  Hastingsia alba Doris K. Kildale 1927-7-4 3711 Trinity At creek at east base of South Fork Mountain Comment
  CAS-BOT-BC506192  Hastingsia alba H. M. Hall 1909-7-1 8541 Trinity Salmon Mountains, Coffee Creek 1219 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
  JEPS123141  Hastingsia serpentinicola D. Burge and J. Nelson with Jepson Herbarium workshop participants 2015-6-27 JHWS- 117 Trinity Scorpion Lake Comment
  CAS-BOT-BC306778  Helenium bigelovii Annie M. Alexander; Louise Kellogg 1948-8-25 5556 Trinity Trinity Mountains. West side of Morris Meadows, Stuart Fork 1280 Comment
  CAS-BOT-BC306783  Helenium bigelovii E. K. Balls 1949-7-7 13890 Trinity Scott Mountain Camp Meadow, Scott Mt. 1630 Comment
  HSC92730  Helenium bigelovii Jennifer Whipple 1976-8-4 1610 Trinity N of Lower Deadfall and Deadfall Lakes along creek draining the Upper Deadfall Lakes 2165 Comment
  UC195256  Helenium bigelovii Annie M. Alexander and L. Kellogg 1911-8-16 340 Trinity Hd. Bear Cr. 1950 Comment
  UC481140  Helenium bigelovii Annie M. Alexander and Louise Kellogg 1911-7-8 237 Trinity N. Fork Coffee Cr. 1371 Comment
  UCR272869  Helenium bigelovii H. Dearing, M. Dearing 1939-6-30 3756 Trinity Klamath Range, on road from Callahan to Trinity Alps 1829 Comment
  CAS-BOT-BC306777  Helenium bigelovii Milo S. Baker 1926-8-8 256 b-26 Trinity Bet. Red Mt & Granite Pk. 2194 Comment
  HSC56831  Helenium puberulum G. L. Clifton 1979-7-19 8632 Trinity Near Mad River, close to the town of Mad River. 817 Comment
  CAS-BOT-BC94809  Helenium puberulum R. C. Wenk 2005-7-18 305 Trinity Scott Mountains, border between Trinity and Siskiyou Counties, along Hwy 3, Scott Mtn. Campground 1650 Comment
  HSC39642  Helianthella californica J. P. Smith 1976-5-20 8743 Trinity Eagle Creek Campground. 854 Comment
  CAS-BOT-BC314707  Helianthella californica var. californica Clarence R. Quick 1960-6-27 60 -27 Trinity Bear Gulch on road from Delta to Trinity Center Comment
  RSA78061  Helianthella californica var. nevadensis P. A. Munz 1952-6-29 17804 Trinity 0.5 mile south of Hobo Gulch Public Camp, North Fork Trinity River, 14 miles north of Helena. 960 Comment
  CAS-BOT-BC314846  Helianthella californica var. shastensis Alice Eastwood; John Thomas Howell 1937-6-25 4970 Trinity Between Eagle and Bear Creeks Comment
  CAS-BOT-BC305589  Helianthus bolanderi G. R. Kleeberger 1879-8-30 s.n. Trinity Unspecified Comment
  HSC71199  Helianthus bolanderi Thomas W. Nelson, Jane P. Nelson 1978-8-12 4552 Trinity Along S.R. 3, 2.5 mi. E of junction with S.R. 299 Comment
  CHSC30663  Helianthus exilis M. S. Taylor; T. Nelson 1980-8-21 3285 Trinity On n side of 29N59, ca. 0.1 mi e of the jct of 30N29, 29N59, and 29N58, 0.5 mi n of Swim Meadow. 1371 Comment
  CHSC114610  Helianthus exilis Susan Horner-Till 1981-7-17 803 Trinity Shasta/Trinity National Forest. Ridge approximately followed by rd 29N73. Extending 1.5 to 3 mi SE from Dubakella Mt. 1289 Comment
  CAS-BOT-BC312134  Hemizonella minima Eugene Carter 1973-5-29 547 Trinity 4 mi. N. of Hobo Gulch along the North Fork Trail at Rooster Flat, North Fork Trinity River, Hobo Gulch Camp and vicinity 18 mi. NW of Weaverville 937 Comment
  HSC68065  Hemizonella minima J. P. Smith 1976-5-20 8736 Trinity Confluence of Bear Creek and Trinity River 915 Comment
  HSC99737  Hemizonella minima Gail Newton 1980-7-3 1037 Trinity Near Horsehead Mtn. 1707 Comment
  CAS-BOT-BC306169  Hemizonia congesta subsp. clevelandii John Thomas Howell 1937-7-31 13706 Trinity 5.5 miles east of Burnt Ranch Comment
  CAS-BOT-BC306170  Hemizonia congesta subsp. clevelandii John Thomas Howell 1937-7-31 13706 Trinity 5.5 miles east of Burnt Ranch Comment
  POM360345  Hemizonia congesta subsp. luzulifolia Thomas W. Nelson, Jane P. Nelson 1978-8-12 4553 Trinity Along State Route 3, 2.5 miles E of junction with State Route 299. Comment
  HSC5807  Hemizonia congesta subsp. tracyi R. Spellenberg 1964-6-18 465 Trinity Burnt Ranch, at Moss Lumber Co. Comment
  UC314587  Heracleum lanatum Joseph P. Tracy 1923-6-28 6407 Trinity Burnt Ranch Northern Coast Ranges, Burnt Ranch 457 Comment
  HSC71926  Hesperolinon micranthum Thomas W. Nelson, Jane Nelson 1980-6-26 5927 Trinity Along Covelo-Zenia Rd. opposite Kettenpaum Store. 1067 Comment
  UC1553467  Hesperolinon micranthum E. Dean 1988-6-22 73 Trinity 2.5 rd mi n Highway 3 (along rd 35N72Y, belkow road on s side of hairpin turn); Trinity Lake Area 960 Comment
  SEINET10460734  Heterocodon rariflorum Ferlatte 1970-8-8 FERLATTE 1278 Trinity Boulder Creek Basin 1585 Comment
  SEINET10460640  Heterocodon rariflorum Raven 1958-7-19 Raven 13568 Trinity 3.8 MI SE OF LEWISTON, SPRINGY SPOT Comment
  UCR48850  Heterotheca oregona R. D. Goeden, Don W. Ricker 1987-9-1 870901- 3 Trinity North Coast Range, Six Rivers Nat. Forest, beside Mad River at Ruth Reservoir 765 Comment
  CAS-BOT-BC311039  Heterotheca oregona var. compacta Ella Dales Cantelow 1939-6-7 2639 Trinity Nr. Van Duzen River, 9.2 mi. s.e. of Dinsmore's Comment
  CAS-BOT-BC311094  Heterotheca oregona var. rudis P. A. Munz 1936-8-11 14365 Trinity Bottom of Little Trinity River, Forest Glenn 762 Comment
  NY186028  Heuchera merriamii A. Eastwood 1901-7-2 s.n. Trinity Canyon Creek Comment
  HSC51260  Heuchera micrantha G. L. Clifton, Overton 1979-6-4 4099 Trinity Near Shanty Creek, close to the town of Alderpoint 853 Comment
  CHSC69024  Heuchera micrantha var. pacifica Vernon Oswald; Lowell Ahart 1997-7-17 8764 Trinity Southeast of Ruth Reservoir on Forest Route 30, 1.9 mi west of Texas Chow Creek. 944 Comment
  CHSC63322  Hieracium bolanderi Vernon H. Oswald; Lowell Ahart 1994-7-11 6392 Trinity Forest Rd. 26 (to Mt. Shasta), 7.8 mi N of Castle Creek Rd. (Forest Rd. 25), between Mumbo Creek and Gumboot Trailhead on the Pacific Crest Trail, W of Dunsmiur. 1914 Comment
  CAS-BOT-BC315990  Hieracium nudicaule L. R. Abrams 1916-7-22 6202 Trinity North slopes betwween Mad and Trinity Rivers on Eureka-Red Bluff Road Comment
  UCD133115  Hieracium scouleri Joseph M. DiTomaso 1975-7-22 189 Trinity Trinity Alps. 1/8 mile above Union Creek Campground on the trail to Foster Lake. 1798 Comment
  UC581816  Hieracium triste Joseph P. Tracy 1935-8-7 14593 Trinity at head of White's Creek; Devil's Canyon Mountains 2072 Comment
  HSC54438  Holcus lanatus G. L. Clifton, Muth 1979-7-18 8771 Trinity Near Mad River Campground, close to the town of Mad River. 761 Comment
  HSC18674  Holodiscus discolor J. P. Tracy 1941-8-24 17032 Trinity S Fork Mtn. 1707 Comment
  HSC40498  Holodiscus discolor Thomas W. Nelson, Jane P. Nelson 1976-7-1 2961 Trinity Along FS Rd. 5E27 just S of Senteney Rock 1524 Comment
  POM182831  Holodiscus discolor A. M. Alexander, Louise Kellogg 1911-8-15 338 Trinity Bear Creek. 1951 Comment
  RSA21438  Holodiscus discolor Carl B. Wolf 1937-8-12 9202 Trinity North Coast Range, South Fork Mt., Cold Spring Lookout. 1646 Comment
  UCD39992  Holodiscus discolor Rodney Gale Myatt 1971-9-21 1215 Trinity About 1 mi. west of the town of Willow Creek. 426 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
  CAS-BOT-BC143940  Horkelia daucifolia Lester Rowntree 1937-8-4 s.n. Trinity Between Carrville and Callahan Comment
  SEINET10931858  Horkelia daucifolia Botany 1985-6-1 BOTANY s.n. Trinity T38n,r7w,sec.16,h.m.; Ridge top above eagle creek campground. Collected ina Rocky clearing of calocedrus ducurrens, pinus jeffreyi forest 1036 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
  UC492175  Horkelia tridentata subsp. flavescens Joseph P. Tracy 1932-6-17 10231 Trinity Three Forks of Mad River North Coast Ranges 883 Comment
  HSC34097  Horkelia tridentata var. flavescens M. G. Schmidt 1975-7-10 18 Trinity Hayfork area Comment
  HSC64779  Horkelia tridentata var. flavescens J. P. Smith, J. O. Sawyer 1972-5-27 5306 Trinity Eagle Creek Campground, along Trinity River. 869 Comment
  HSC78416  Horkelia tridentata var. flavescens John S. Palmer 1975-6-23 387 Trinity Bear Lakes Area, along trail to Big Bear Lake. 1585 Comment
  CAS-BOT-BC537960  Horkelia tridentata var. flavescens John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-20 53544 Trinity In Canadian Zone, Scott Mt. summit on road from Carrville to Callahan. 1645 Comment
  HSC34238  Hosackia crassifolia M. G. Schmidt 1975-7-10 21 Trinity Along S Fork Mtn. Rd., N of Hwy. 36 Comment
  CHSC114638  Hosackia yollabolliensis M. McEvoy; J. Inkster 2013-6-13 Trinity Hayfork Ranger Distr. South Fork Mountain. 10 m east of FS Road 1. Gravelly mafic/limestone soil. E-aspect, 2% slope, full sun. UTM (NAD83): 10N 4493134N, 45104E. 1675 Comment
  HSC103272  Hosackia yollabolliensis John McRae 2013-7-26 Trinity Six Rivers National Forest, Forest Glen Quad, South Fork Mountain, north of Horse Ridge along J1S23. 1799 Comment
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Nov 1 2018
  HSC43817  Hydrophyllum capitatum var. alpinum M. A. Baker 1977-5-22 329 Trinity Bank of Rush Creek 838 Comment
  UCR84743  Hydrophyllum fendleri var. albifrons 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
  HSC31821  Hydrophyllum occidentale D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-13 5542 Trinity Black Lassic along W side. 1738 Comment
  HSC38976  Hydrophyllum occidentale J. O. Sawyer, Kevin Sawyer, J. P. Smith 1974-6-28 2640 Trinity Deer Creek Trail at junction with trail to Luella Lake 1951 Comment
  HSC73910  Hydrophyllum occidentale R. York 1980-5-24 664 Trinity Near Long Ridge. 1036 Comment
  HSC34087  Hydrophyllum occidentale M. G. Schmidt 1975-7-10 20 Trinity S Fork Mtn., along road N of Hwy. 36 Comment
  UC420702  Hypericum anagalloides Mrs. M. H. Manning June 1901 Trinity Trinity Summit Comment
  HSC40523  Hypericum anagalloides Thomas W. Nelson, James Nelson 1976-7-28 3064 Trinity Along headwaters of fork of Shanty Creek, NE of Black Lassic 1524 Comment
  HSC46852  Hypericum perforatum William J. Ferlatte 1975-8-25 1738 Trinity Upper Bowerman Meadow 1920 Comment
  HSC36182  Hypericum scouleri J. P. Smith, J. O. Sawyer 1973-7-27 7156 Trinity Trail to Deadfall Lakes. 1951 Comment
  SEINET3148768  Idahoa scapigera D. Anderson, J. P. Smith Jr. 1970-4-16 5038 Trinity Along road to Ruth Dam, ca. 4.5 miles S of its junction with 36. Comment
  HSC27083  Ipomopsis aggregata Thomas W. Nelson 1973-7-14 1082 Trinity Beside Deadfall Creek along the trail to Deadfall Lake Comment
  RSA67027  Ipomopsis aggregata subsp. formosissima P. A. Munz 1951-7-21 16757 Trinity North Yolla Bolly Mts., Fisher Ridge at head of Patty John Basin Comment
  UC922359  Iris macrosiphon Annie M. Alexander and Louise Kellogg 1949-6-26 5708 Trinity n of Yolla Bolly Middle Eel Primitive Area (White Rock Ranger Station) 1706 Comment
  RSA135828  Iris macrosiphon E. K. Balls 1957-5-25 22557 Trinity 1.5 miles southwest from Peanut on road to Forest Glen, State Highway 36 762 Comment
  HSC26220  Iris tenuissima J. P. Smith, J. O. Sawyer 1972-5-27 5336 Trinity 1 mi. S of Dan Rice Creek along Scott Mtn. Creek, Hwy. 3 1220 Comment
  UC1174791  Iris tenuissima L. W. Lenz and E. K. Balls 1955-5-15 20729 Trinity 0.2 mi e Humboldt-Trinity County line (on south fork of Trinity River); Trinity River 152 Comment
  UC199787  Iris tenuissima Annie M. Alexander and L. Kellogg 1911-7-3 217 Trinity North Fork Coffee Creek 1371 Comment
  UCR37531  Iris tenuissima K. B. Barrows, L. Cole, S. A. Haultain, C. G. Phillips 1984-5-26 96 Trinity Eagle Creek Campground 851 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
  RSA136361  Iris tenuissima Lee W. Lenz, E. K. Balls 1955-5-15 20728 Trinity Southeast of Burnt Ranch, along U.S. Highway 299, Weaverville to Willow Creek 457 Comment
  HSC898  Isoetes bolanderi D. E. Anderson 1961-10-8 1869 Trinity Bottom of E Weaver lake Comment
  HSC46872  Ivesia gordonii William J. Ferlatte 1974-8-14 1614 Trinity Long Canyon Trail 300 yds. E of Bee Tree Gap 2226 Comment
  HSC90624  Ivesia gordonii Jennifer Whipple 1976-6-24 1120 Trinity Trinity and Siskiyou counties, summit region of Mt. Eddy 2744 Comment
  CAS-BOT-BC142863  Ivesia pickeringii David D. Keck; A. Gustafsson 1938-8-8 4884 Trinity Trinity River 8 mi. N. of Carrville Comment
  CAS-BOT-BC142867  Ivesia pickeringii M. S. Taylor 1980-7-22 3161 Trinity On w side of Hwy 135, ca. 0.5 mi n of Eagle Creek Campground 822 Comment
  CAS-BOT-BC142868  Ivesia pickeringii John Thomas Howell 1936-8-26 12797 Trinity 8 miles n. of Carrville Comment
  HSC59931  Ivesia pickeringii D. L. Goforth 1979-7-6 218 Trinity 0.2 mi. N of Eagle Creek Campground Comment
  UC1518380  Ivesia pickeringii Barbara Williams 1979-8-14 441 Trinity ca 0.4 mi n Eagle Creek campground (to 0.2 mi n of campground, w side of old Highway 3 (w side of Trinity River), Weaverville Ranger District); Shasta-Trinity National Forest, Bonanza King Quad. 877 Comment
  SEINET10483371  Ivesia pickeringii Mary Susan Taylor 1980-7-22 Taylor 3161 Trinity T38N R7W sw sec 10, Bonanza King quad. Shasta-Trinity Natl Forest, on W side of Hwy 135, ca. 0.5 mi N of Eagle Creek Camp, in vernal meadow. 823 Comment
  HSC56854  Juncus bolanderi G. L. Clifton, Gilbert Muth 1979-7-18 8769 Trinity Near Mad River Campground, close to the town of Mad River. 762 Comment
  HSC69994  Juncus bolanderi Thomas W. Nelson, Jane P. Nelson 1978-6-21 4213 Trinity Along Trinity River flood plain, 100 m above the mouth of Indian Creek. 488 Comment
  RSA50256  Juncus bolanderi E. K. Balls 1949-7-4 13803 Trinity Chloride mine, by old cabin, above Dedrick. 915 Comment
  HSC56862  Juncus bufonius G. L. Clifton 1979-7-19 8799 Trinity Near Mad River, close to the town of Mad River. 817 Comment
  CDA11058  Juncus dudleyi G. F. Hrusa, R. Gross, D. Ragan, A. Buckman 1993-10-24 11448 Trinity Klamath Ranges; Canyon immediately E of Rackerby Ridge, terminates into Trinity Lake. 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
  RSA66889  Juncus effusus subsp. pacificus Phillip A. Munz 1951-7-17 16581 Trinity Grasshopper Public Camp, 2.5 mi NW of Stuart Gap, North Yolla Bolly Mtns. 1372 Comment
  JEPS81104  Juncus howellii J. P. Smith 1979-6-15 10091 Trinity Eagle Creek Campground Shasta-Trinity National Forest, Bonanza King Quad. 853 Comment
  RSA53869  Juncus howellii Ella Dales Cantelow 1937-8-16 1854 Trinity Summit of Scott Moutain. 1631 Comment
  HSC12656  Juncus mertensianus William J. Ferlatte, Alice Q. Howard 1970-8-11 1307 Trinity N side of Thompson Peak above Grizzly L. 2500 Comment
  RSA211380  Juncus nevadensis William J. Ferlatte 1966-8-23 466 Trinity Trinity Alps: Boulder Creek basin, tributary to Canyon Creek. 1707 Comment
  CHSC33864  Juncus nevadensis var. nevadensis J. D. Jokerst 1981-7-29 1445 Trinity S slope ca 25 meters E of road (Forest Service) 37N22 in the first draw S of cutoff road to the Bonanza King Lookout. 1981 Comment
  HSC78032  Juncus nevadensis var. nevadensis John S. Palmer 1973-6-17 19 Trinity Bear Lakes Area, below Big Bear Lake 1707 Comment
  CHSC117601  Juncus orthophyllus L. P. Janeway; B. Castro 2016-8-1 12138 Trinity Klamath Ranges. Tamarack Lake, Trinity Mountains. 1793 Comment
  HSC4783  Juncus orthophyllus William J. Ferlatte 1966-8-23 465 Trinity Boulder Creek Basin, tributary to Canyon Creek 1707 Comment
  HSC76527  Juncus patens Athy Ferguson 1981-7-13 8139 Trinity Near Duncan Ranch 939 Comment
  UCD141683  Juncus regelii H. M. Pollard 1953-8-23 s.n. Trinity Stuart Creek near Trinity Alps Resort. 762 Comment
  UC302162  Juncus tenuis Joseph P. Tracy 1926-7-4 7706 Trinity Koon Ranch, Hennessey Road, leading up South Fork of Trinity River Northern Coast Ranges, South Fork of Trinity River 609 Comment
  CHSC63371  Juniperus communis Vernon H. Oswald; Lowell Ahart 1994-7-11 6390 Trinity Forest Rd. 26 (to Mt. Shasta), 6.0 mi N of Castle Creek Rd. (Forest Rd. 25), W of Dunsmuir. 1871 Comment
  JEPS35189  Juniperus occidentalis W. L. Jepson 1897-7-25 Trinity Soldiers Ridge 1524 Comment
  CAS-BOT-BC236897  Keckiella corymbosa Lewis S. Rose 1955-7-16 55119 Trinity 1 mi. W of Junction City 448 Comment
  JEPS11131  Keckiella corymbosa Joseph P. Tracy 1921-8-21 5940 Trinity Hawkins Bar Northern Coast Ranges (cliffs along Trinity River) 182 Comment
  NY790306  Keckiella corymbosa L. Abrams 1916-7-22 6229 Trinity Post Creek Comment
  POM305520  Keckiella corymbosa Henry J. Ramsey, Henry J. Ramsey 1939-10-13 847 Trinity Mountains, Highway 299 Comment
  RSA20966  Keckiella corymbosa Carl B. Wolf 1937-9-13 9340 Trinity North Coast Range, Trinity River, 1 mi. above Hawkins Bar. 305 Comment
  SBBG6947  Keckiella corymbosa H. and M. Dearing 1939-6-28 3741 Trinity E of Forest Glen Comment
  UCD50441  Keckiella corymbosa Edward J. Ayers 1984-9-8 B Trinity South side of rock outcropping on peak of Mt. Helena (the old lookout, according to local residents and road dept. worker), Trinity Alps. 60 mi. west of Redding on Hwy 299 to Helena going north over the bridge through the old, mostly abandoned town. 3.7 mi from Route 299 on Hobo Gulch gravel road, upward to the left, continuing 6.4 mi to the pass or saddle. From the pass, along a narrow, rough, non-maintained road 1.2 mi. north (and to the right) where it ends at the mountain top. 1524 Comment
  CAS-BOT-BC236898  Keckiella corymbosa Annie M. Alexander; Louise Kellogg 1948-8-14 5491 Trinity East wall of canyon, Canyon Creek, a tributary of Trinity River, Trinity Mountains 1676 Comment
  SEINET10547837  Keckiella corymbosa Mary Susan Taylor 1980-7-16 Taylor 3146 Trinity Shasta-Trinity Natl Forest, on E side of Canyon Creek Road, ca. 5 mi N of Junction City on Hwy 299. 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
  HSC46949  Kyhosia bolanderi William J. Ferlatte 1977-8-22 1894 Trinity Stuart Fork drainage at Alpine Lake; NE end of lake 1860 Comment
  CAS-BOT-BC337859  Lagophylla ramosissima L. R. Abrams 1916-7-22 6186 Trinity Summit between Mad and Trinity rivers on Eureka-Red Bluff Road Comment
  JEPS94968  Lagophylla ramosissima Vernon Oswald and Lowell Ahart 1997-7-17 8748 Trinity Forest Route 29 in Trinity National Forest 1.4 mi s of its junction with 29N58 to Forest Glen Forest Glen; Trinity National Forest, Forest Route 29 1286 Comment
  CHSC68995  Lagophylla ramosissima subsp. ramosissima Vernon Oswald; Lowell Ahart 1997-7-17 8748 Trinity Forest Route 29 (in Trinity National Forest) 1.4 mi south of its junction with 29N58 (to Forest Glen), 7.0 mi south of Hwy. 36. Along the edge of the road. 1286 Comment
  HSC51301  Lathyrus jepsonii subsp. californicus G. L. Clifton, Overton 1979-6-4 4146 Trinity Near Shanty Creek, close to the town of Alderpoint 853 Comment
  RSA98635  Lathyrus jepsonii subsp. californicus H. M. Pollard 1953-8-20 s.n. Trinity Creek-crossing on Red Mountain Trail, north of Trinity Alps Resort. 1982 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
  CHSC71536  Lathyrus jepsonii var. californicus Vernon H. Oswald; Lowell Ahart 1998-7-28 9375 Trinity Hwy. 36 6.4 mi west of Wildwood Rd., 5.7 mi east of Hwy. 3. On the edge of a roadside ditch. 1219 Comment
  UC922598  Lathyrus jepsonii var. californicus Annie M. Alexander and Louise Kellogg 1948-8-24 5550 Trinity Morris Meadow Trinity Mountains, Stuart Fork of Trinity River 1280 Comment
  UC796659  Lathyrus lanszwertii var. tracyi Roxana S. Ferris and Laura Lorraine 1948-6-11 11697 Trinity 1.5 mi above Peanut (on State Highway 36) Comment
  SEINET7040267  Lathyrus lanszwertii var. tracyi A. G. Vestal 1963-6-5 s.n. Trinity 4.3 miles south of Hayfork. Dubrakella Mtn. Quadrangle UTM Zone 10, 486136mE, 4481942mN. Comment
  HSC101021  Lathyrus sulphureus Lisa D. Hoover 2012-6-7 24 Trinity Jones Ridge. From Hwy 36 to Rte 504 (Ruth Rd.) pass Ruth Guard Station. At Three Forks, take 27N02 onto Jones Ridge. Lost Creek Trail; 12W11. 1220 Comment
  RSA406680  Lathyrus sulphureus J. P. Smith, J. O. Sawyer 1978-5-6 4019 Trinity Along forest road 34NO7Y ca. 2 miles north of Helena. Comment
  SEINET7040268  Lathyrus sulphureus A. G. Vestal 1963-6-5 s.n. Trinity 4.3 miles south of Hayfork. Dubrakella Mtn. Quadrangle UTM Zone 10, 486136mE, 4481942mN. Comment
  RSA50276  Lepidium campestre E. K. Balls 1949-7-4 13800 Trinity Chloride Mine, above Dedrick. 915 Comment
  RSA48216  Leptosiphon bolanderi Roxana S. Ferris, Laura Lorraine 1948-6-11 11685 Trinity Summit between Mad River and south fork of Trinity River, State highway 36. 1360 Comment
  HSC73397  Leptosiphon pygmaeus L. Sieburth, B. Potter, S. R. Ahrens 7 Trinity Philpot Campground 808 Comment
  HSC97709  Lessingia leptoclada Thomas W. Nelson, Shauna Hee 2006-8-4 9479 Trinity Hwy. 299, 100 m SE of bridge over Stuart Fork of Trinity River 730 Comment
  CAS-BOT-BC341929  Lessingia nemaclada C. L. Hitchcock; J. S. Martin 1939-7-10 5347 Trinity Ca. 10 miles east of Douglas City 914 Comment
  HSC70123  Lessingia nemaclada Thomas W. Nelson, Jane P. Nelson 1978-6-23 4353 Trinity Along road to Hell to Find Lake. Comment
  UC1287424  Lessingia nemaclada Willard Spence 1962-7-22 722 Trinity along Route 299 4.6 mi w Junction City; Trinity River Comment
  CAS-BOT-BC341919  Lessingia nemaclada Willard Spence 1960-9-7 613 Trinity On Trinity Lake Boulevard, 1.6 miles north-east of Weaverville and opposite Trinity Air Service Comment
  CHSC114611  Lessingia nemaclada V. Long 1991-8-15 61 Trinity Shasta-Trinity National Forests, Weaverville Ranger Dist. South exposure on hillside above Ruksh Creek. Comment
  RSA41984  Lessingia nemaclada H. C. Cantelow 1936-8-25 1573 Trinity Scott Ranch, 3 miles S of Trinity Center. Comment
  UC1287437  Lessingia nemaclada Willard Spence 1960-9-7 612 Trinity along U. S. Route 1.1 mi s Weaverville (on road to Redding) Comment
  SEINET3480548  Lessingia nemaclada var. mendocina C. C. Harris, S. K. Harris, J. B. Tracy 1941-9-1 1899 Trinity Burnt Ranch, Burnt Ranch Comment
  SEINET7879023 Image available Lessingia nemaclada var. mendocina C. C. Harris, S. K. Harris, J. B. Tracy 1941-1 1192 Trinity Burnt Ranch 450 Comment
  JEPS123132  Leucothoe davisiae D. Burge and J. Nelson with Jepson Herbarium workshop participants 2015-6-27 JHWS- 107 Trinity Bonanza King Comment
  UC1299569  Leucothoe davisiae Freed W. Hoffman 1950-7-8 3687 Trinity Canyon Creek about 3.5 mi above Dedrick; North Coast Ranges, Canyon Creek Comment
  CAS-BOT-BC229459  Lewisia cotyledon var. heckneri G. R. Kleeberger 1880-7-1 s.n. Trinity Mt. Bally Comment
  UCD101585  Lewisia cotyledon var. heckneri Joseph M. DiTomaso 1975-7-17 21 Trinity Trinity Alps, above Emerald Lake. 1706 Comment
  HSC4443  Lewisia leeana William J. Ferlatte 1966-6-30 168 Trinity Canyon Creek Lakes 1646 Comment
  RSA211270  Lewisia leeana William J. Ferlatte 1966-6-30 168 Trinity Canyon Creek Lakes, open granitic slopes and flats. 1646 Comment
  UCR40023  Lewisia triphylla P. Williams, Brian Kearney, Mike Malamus 1984-5-26 45 Trinity Scott Mtn Campground. S slope 1646 Comment
  HSC66322  Ligusticum californicum Ed Cope, John S. Palmer Jul 1977 524 Trinity South of trail to Granite Lake. 1280 Comment
  CAS-BOT-BC227784  Ligusticum californicum Eugene Carter 1975-7-13 1037 Trinity North Fork Trinity River. South of Blue Ridge 1036 Comment
  RSA41952  Ligusticum californicum H. C. Cantelow 1936-8-26 1727 Trinity Tangle Blue Creek, 17 miles northwest of Carrville Comment
  UCD127544  Ligusticum californicum Joseph M. DiTomaso 1976-6-24 504 Trinity Trinity Alps, just below Granite Lake. 1798 Comment
  CAS-BOT-BC508263  Lilium columbianum H. C. Cantelow; Herbert Cantelow 1937-8-20 1861 Trinity Above Granite Lake Comment
  HSC572  Lilium kelleyanum William J. Ferlatte 1967-8-18 1009 Trinity Landers Lake basin 2134 Comment
  HSC81900  Lilium kelleyanum Thomas W. Nelson, Jane P. Nelson 1979-7-7 4971 Trinity Along Davis Creek, W side of Hwy. 3 793 Comment
  RSA50243  Lilium kelleyanum E. K. Balls 1949-7-6 13828 Trinity 3.4 miles from Minersville Camp on way to Trinity Center. 610 Comment
  CAS-BOT-BC130854  Lilium pardalinum Doris K. Kildale 1927-7-4 3712 Trinity Creek at east base of South Fork Mountain Comment
  CHSC110779  Lilium pardalinum subsp. shastense Dean Wm. Taylor 2012-7-20 21284 Trinity Klamath Mountains. Trinity Mountains; Grouse Lake, outlet stream of the lake. 1783 Comment
  RSA78057  Lilium rubescens Philip A. Munz 1952-6-27 17801 Trinity 10 miles north of Helena on road to Hobo Gulch Camp. 762 Comment
  JEPS62033  Lilium washingtonianum subsp. purpurascens W. L. Jepson 1902-7-22 2092 Trinity trail to Salmon Summit Comment
  UC666948  Lilium washingtonianum subsp. purpurascens Joseph P. Tracy 1935-8-8 14730 Trinity head of White's Creek; Devil's Canyon Mts. 2072 Comment
  HSC73909  Limnanthes douglasii R. York 1980-5-24 665 Trinity Near Long Ridge. 1036 Comment
  RSA20946  Limnanthes douglasii Carl B. Wolf 1937-6-20 8919 Trinity Along Mad River, 5 8/10 mi. above Eureka - Red Bluff Road on Road to Ruth. 457 Comment
  UC184822  Linanthus ciliatus Harry S. Yates 1914-1 395 Trinity Brown's Mt. Comment
  CDA6346  Linaria genistifolia subsp. dalmatica M. Keffer 1978-7-6 Trinity End of Steel Bridge Road, northeast of Douglas City. 0 Comment
  CAS-BOT-BC240396  Linnaea borealis subsp. longiflora Eugene Carter 1968-7-1 177 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity. (18 mi. NW of Weaverville) Along North Fork Tr. 1 mi. below Piper Flat 1066 Comment
  CHSC30343  Linum lewisii var. lewisii M. S. Taylor 1980-7-23 3185 Trinity On n side at end of 40N98A, in meadow in Yellow Pine Forest, near Upper Bluff Lake, ca. 19.6 mi ne of Trumble Ranch on Hwy 3 via 42N17. 2072 Comment
  JEPS96832  Listera convallarioides Dean W. Taylor 1992-6-12 12754 Trinity South Dubakella Mountain, along jeep ridge on ridge crest north of the summit 1767 Comment
  UC463033  Lithocarpus densiflorus E. B. Copeland 1931-8-17 Trinity South Fork Mt. 900 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
  HSC35184  Lithophragma affine Ron Ralston 1975-5-16 42 Trinity Trails above the Trinity River at Grays Falls Campground 310 Comment
  HSC59992  Lithophragma affine J. O. Sawyer, R. J. Cole 1978-4-20 3116 Trinity Above Hwy. 299 at White's Bar. Comment
  HSC77390  Lithophragma affine L. P. Janeway 1983-4-30 249 Trinity Burnt Ranch USFS campground 412 Comment
  HSC45398  Lithophragma campanulatum Thomas W. Nelson, Jane Nelson 1977-6-19 3476 Trinity Along Rd. 5E27 1463 Comment
  CAS-BOT-BC435438  Lithophragma glabrum G. R. Kleeberger 1880-5-29 s.n. Trinity Mt. Bally 1219 Comment
  CAS-BOT-BC94875  Lithophragma glabrum R. C. Wenk 2005-6-17 150 Trinity Coffee Creek, Big Flat Meadow, near Gates cabin at N end of meadow 1524 Comment
  CAS-BOT-BC437758  Lithophragma parviflorum Lewis S. Rose 1954-4-26 54021 Trinity 3 miles NE of Douglas City. Comment
  HSC26213  Lithospermum californicum J. P. Smith, J. O. Sawyer 1972-5-27 5339 Trinity 1 mi. S of Dan Rice Creek along Scott Mtn. Creek, Hwy. 3 1220 Comment
  UCR37559  Lithospermum californicum K. Faber, Scott LaChance, Mike Rekart 1984-5-26 35 Trinity Eagle Creek Campground 851 Comment
  UCD119497  Lithospermum californicum P. B. Kennedy 1925-1 s.n. Trinity Summit of Oregon Mt. Comment
  HSC73205  Logfia gallica R. York 1980-5-25 783 Trinity Near Shannon Butte 914 Comment
  HSC72520  Lolium perenne Gail Newton 1980-7-2 913 Trinity Near Swim Ridge. 1341 Comment
  HSC52734  Lomatium californicum G. L. Clifton, Overton 1979-6-4 3955 Trinity Near Van Duzen River, close to the town of Geyserville 853 Comment
  HSC73679  Lomatium californicum Gail Newton 1980-7-10 1202 Trinity Near Senteney Rock. 1545 Comment
  UC1197167  Lomatium californicum Stuart K. Harris July, 1908 Trinity mouth of New River 365 Comment
  HSC75371  Lomatium ciliolatum var. ciliolatum J. O. Sawyer, K. A. Sawyer 1980-6-18 3443 Trinity Yolla Bolly Wilderness, Cedar Basin 2134 Comment
  RSA695857  Lomatium dasycarpum Vasu Dev, Barbara Dev 2004-7-17 7207 Trinity ~2 miles along dirt road 29N33. This road comes off of 29N32. The latter comes off of route 30 about 3 miles from its junction with Highway 36 in the Shasta-Trinity National Forest. Comment
  HSC70118  Lomatium dasycarpum subsp. dasycarpum Thomas W. Nelson, Jane P. Nelson 1978-6-23 4349 Trinity Along road to Hell to Find Lake. Comment
  HSC67339  Lomatium dasycarpum subsp. dasycarpum Thomas W. Nelson, Jane P. Nelson 1980-5-25 5329 Trinity Along Covelo-Zenia Rd., 1.5 mi. S of Lake Mtn. Ranch. 823 Comment
  HSC34883  Lomatium dissectum var. dissectum Thomas W. Nelson 1975-5-17 1832 Trinity Beside Hwy 299, just W of Oregon Mountain Summit Comment
  RSA661469  Lomatium dissectum var. dissectum Vasu Dev, Barbara Dev 2001-6-11 s.n. Trinity At first bridge over the Mad River on Rd. 511 from its junction with Hwy 36. 815 Comment
  LA202890  Lomatium engelmannii Lincoln Constance; Ren Hwa. Shan 1946-6-1 3065 Trinity between Coffee and Eagle creeks, 6 mi. N of Carrville 914 Comment
  HSC68754  Lomatium macrocarpum Thomas W. Nelson, Jane P. Nelson 1980-6-18 5604 Trinity Shasta-Trinity National Forest, along FS Rd. 1N10, 1 mi. from junction with FS Rd. 2N07 1372 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
  HSC38857  Lomatium nudicaule J. P. Smith 1973-5-6 6589 Trinity Blanchert Flats near Douglas City Comment
  JEPS94807  Lomatium nudicaule Vernon Oswald and Lowell Ahart 1998-5-14 9084 Trinity 0.2 mi s of Highway 3 (Wildwood Road on the e side of Hayfork Creek); Hayfork Creek, Wildwood Road 746 Comment
  POM160883  Lomatium nudicaule Joseph P. Tracy 1923-6-28 6421 Trinity Burnt Ranch Comment
  HSC67371  Lomatium tracyi Thomas W. Nelson 1980-5-30 5383 Trinity Along Rd. 60 (Underwood Mtn. Rd.) 0.5 mi. S of junction with FS Rd. 4N34 (Eltapom Rd.) 823 Comment
  HSC70072  Lomatium tracyi Thomas W. Nelson, Jane P. Nelson 1978-6-23 4376 Trinity N of Red Mtn. along road from Red Mtn. to Hell to Find Lake 1616 Comment
  JEPS109677  Lomatium tracyi Dean W. Taylor 2002-4-18 17981 Trinity Stoney Ridge (ca. 1 air miles N of upper arm Stewart Fork, Clair Engle Reservoir) 1310 Comment
  JEPS16131  Lomatium tracyi Joseph P. Tracy 1923-6-28 6393 Trinity Northern Coast Ranges, Burnt Ranch 457 Comment
  UC923158 Image available Lomatium tracyi Freed W. Hoffman 1950-7-2 3273 Trinity junction of Wildwood and Ragan Meadow roads, Trinity - Shasta county line. Comment
  UCD127719  Lomatium triternatum James P. Smith 1973-5-6 6589 Trinity Blanchert Flats near Douglas City. Comment
  UC1446401  Lomatium triternatum var. macrocarpum Richard Spellenberg 1980-7-8 5557 Trinity ca. 3 air mi S of Burnt Ranch (E side of Underwood Mountain, on Hidden Lake Loop) 1005 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
  OBI8843  Lomatium utriculatum Tracey Call, Viola Call 1964-6-20 2273 Trinity Southern parto of town of Hayfork 244 Comment
  HSC49138  Lomatium vaginatum M. A. Baker 1979-6-22 886 Trinity S side of Horsehead Mtn. near summit Comment
  HSC3920  Lonicera ciliosa R. Spellenberg 1963-7-14 194 Trinity Ironsides Mtn., Burnt Ranch. Comment
  HSC3945  Lonicera ciliosa J. F. Knezevich 1967-7-8 339 Trinity NW of French Bar on Hwy. 299, 2 mi. up the road to Brushy, Big and Green Mtns. from the junction of the road going to Salt Log Springs. Comment
  HSC58995  Lonicera conjugialis Cliff Clue 1972-10-7 1848 Trinity Near Kerlin Creek, close to the town of Hyampom. 1372 Comment
  HSC91438  Lonicera conjugialis Jennifer Whipple 1977-9-9 2295 Trinity N of Lower Deadfall and Deadfall Lakes along the creek draining the upper Deadfall Lakes 2165 Comment
  CHSC30146  Lonicera hispidula M. S. Taylor 1980-6-11 2833 Trinity Big Bar, on S side of Trinity River, in vicinity of bridge to Big Bar campground. 457 Comment
  CAS-BOT-BC240857  Lonicera interrupta Mrs. H. C. Cantelow 1935-6-13 858 Trinity Nr. Junction City Comment
  CAS-BOT-BC240858  Lonicera interrupta G. R. Kleeberger 1879-9-19 s.n. Trinity Unspecified Comment
  RSA164625  Lotus douglasii D. F. Howe 1963-7-8 s.n. Trinity 6.7 miles E of Humboldt - Trinity Co. line. 1067 Comment
  SEINET6932521  Lotus douglasii var. congestus Wanda P. Vestal, A. G. Vestal 1937-6-24 s.n. Trinity 9 miles east of Hayfork. Comment
  HSC35172  Lotus humistratus R. M. Sullivan 1975-5-18 87 Trinity SE of confluence of Pawauket Gulch and Reading Creek 610 Comment
  HSC74061  Lotus humistratus M. A. Baker 1980-5-24 1457 Trinity Near Long Ridge. 1006 Comment
  HSC32748  Lotus humistratus Thomas W. Nelson, Jane P. Nelson 1973-4-14 724 Trinity Above Salt Creek E of USFS campground at Salt Creek Comment
  SEINET7040270  Lotus humistratus A. G. Vestal 1963-6-5 s.n. Trinity 4.3 miles south of Hayfork. Dubrakella Mtn. Quadrangle UTM Zone 10, 486136mE, 4481942mN. Comment
  RSA211157  Lotus nevadensis William J. Ferlatte 1967-7-24 711 Trinity Trinity Alps, Big Flat 1524 Comment
  UC130709  Lotus oblongifolius var. oblongifolius H. M. Hall Jul 1909 8526 Trinity Coffee Creek Salmon Mountains Comment
  SFV5111  Lotus oblongifolius var. oblongifolius B. C. Templeton 1957-6-21 s. n. Trinity Near the summit of Mount Scott. Comment
  HSC56604  Lotus unifoliolatus var. unifoliolatus G. L. Clifton 1979-7-17 7966 Trinity Near Bailey Canyon Campground, close to town of Mad River 853 Comment
  HSC73440  Lotus unifoliolatus var. unifoliolatus Gail Newton 1980-7-9 1104 Trinity Near Shanty Creek. 1113 Comment
  HSC99244  Lotus unifoliolatus var. unifoliolatus R. Spellenberg 1964-8-2 566 Trinity On dam of reservoir, Spellenberg property, Brunt Ranch Comment
  HSC23423  Luetkea pectinata D. E. Anderson 1971-7-28 5457 Trinity Near E Weaver Lake, 1 mi. from Weaver Bally Lookout on FS Rd. 33N38 1921 Comment
  CAS-BOT-BC342535  Luina hypoleuca H. M. Pollard 1953-8-22 s.n. Trinity Scenic Trail, above Trinity Alps Resort 1371 Comment
  HSC47767  Lupinus adsurgens var. lilacinus Thomas W. Nelson 1978-5-27 4076 Trinity Along USFS Rd. 27N02, 2 mi. S of Three Forks of Mad River. Comment
  CHSC927  Lupinus affinis M. Anthony 1960-5-13 Trinity 5 mi. N of Weaverville. 640 Comment
  HSC68374  Lupinus albicaulis J. P. Smith, J. O. Sawyer 1975-6-23 8324 Trinity 6.5 mi. S of Hwy. 299 at Buckhorn Summit on the road to Bully Choop 1341 Comment
  HSC41989  Lupinus albifrons Ed Cope 1977-5-7 64 Trinity Blue Point on Blue Point Ridge 1573 Comment
  HSC73674  Lupinus albifrons Gail Newton 1980-7-10 1164 Trinity Near Senteney Rock. 1545 Comment
  SBBG8938  Lupinus albifrons H. and M. Dearing 1939-6-24 3704 Trinity Mad River Public Camp, E of Bridgeville Comment
  UC1553483  Lupinus bicolor E. Dean 1988-6-19 65 Trinity Hayfork, along Forest Rd by ranger station Hayfork 609 Comment
  HSC14786  Lupinus bicolor D. B. Mitchell 1965-4-14 - 5 Trinity 1 7/10 mi. E of Salyer Ranger Station on Hwy. 299. Comment
  CAS-BOT-BC187869  Lupinus chamissonis Harry S. Yates 1911-7-1 122 Trinity Trinity Forest 365 Comment
  CHSC63337  Lupinus croceus Vernon H. Oswald; Lowell Ahart 1994-7-11 6383 Trinity Forest Rd. 26 (to Mt. Shasta), 4.0 mi N of Castle Creek Rd. (Forest Rd. 25), W of Dunsmuir. 1798 Comment
  CAS-BOT-BC215345  Lupinus croceus H. M. Hall 1909-7-1 8610 Trinity Dorleska 1981 Comment
  JEPS102267  Lupinus croceus var. croceus L. P. Janeway 1996-6-13 5017 Trinity Klamath Mountains. Along County-line Road at Linton Ridge, 9.8 road miles north of Trinity Mountain. 1310 Comment
  HSC14818  Lupinus densiflorus William J. Ferlatte, B. D. Rogers 1966-6-7 2072 Trinity Near Hay Fork summit 1189 Comment
  HSC81808  Lupinus lapidicola Thomas W. Nelson, Jane P. Nelson 1980-7-17 6129 Trinity Along FS Rd. 17 at summit at county line 2073 Comment
  RSA66365  Lupinus latifolius subsp. latifolius Philip A. Munz 1951-7-18 16659 Trinity North slope of North Yolla Bolly Peak; North Yolla Bolly Mts. 1982 Comment
  RSA66894  Lupinus latifolius subsp. viridifolius Philip A. Munz 1951-7-17 16566 Trinity Grasshopper Public Camp, 2.5 mi NW of Stuart Gap, North Yolla Bolly Mtns. 1372 Comment
  SEINET10489287  Lupinus latifolius subsp. viridifolius Donald E. Bright 1962-6-18 Bright 298 Trinity Sandy-rocky soil, along hwy 299, 7 mi. S of lewiston. Comment
  UC1223289  Lupinus latifolius var. viridifolius Joseph P. Tracy 1933-7-15 12760 Trinity 2 mi n of head of 8-mile ridge South Fork Mountain; , n of head of 8-mile ridge 1645 Comment
  JEPS74606  Lupinus lepidus var. lobbii William J. Ferlatte, Alice Q. Howard 1970-8-11 1301 Trinity ridge w summit (Thompson Peak); Trinity Alps, Thompson Peak 2590 Comment
  JEPS65064  Lupinus lepidus var. sellulus Joseph P. Tracy 1932-6-17 10232 Trinity Three Fork of Mad River; North Coast Ranges, Three Fork of Mad River 883 Comment
  UC503002  Lupinus lepidus var. sellulus Joseph P. Tracy 1932-6-17 10232 Trinity Three Forks of Mad River; North Coast Ranges, Three Forks of Mad River 883 Comment
  HSC36797  Lupinus luteolus Thomas W. Nelson, Jane P. Nelson, James Nelson 1975-7-20 2041 Trinity Beside branch rd. off Rd. 1S07 Comment
  RSA244954  Lupinus luteolus D. E. Anderson, D. Santana, J. Lackey, B. Anderson 1971-7-15 5270 Trinity along 1 [mile] SO 7, along Shanty Creek ca. 5 miles west of Ruth Dam. 1341 Comment
  UC1080443  Lupinus nanus E. K. Balls 1957-5-24 22551 Trinity Hayfork 716 Comment
  UC1537141  Lupinus polyphyllus var. burkei Gordon H. True Jr. 1937-7-2 753 Trinity just e Weaverville; just e of Weaverville 609 Comment
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Apr 3 2007
  HSC27101  Lupinus sellulus subsp. ursinus Thomas W. Nelson 1973-7-14 1061 Trinity Trinity River at Eagle Creek Comment
  HSC73835  Lupinus sellulus subsp. ursinus M. A. Baker 1980-6-25 2296 Trinity Near Castle Rock. 1436 Comment
  SEINET10837991  Lupinus sellulus var. artulus Thomas W. Nelson, Jane P. Nelson 1978-6-23 Nelson 4318 Trinity Dubakella quad. Along forest service rd 30, 1 mi s of jct with state route 36. Serpentine jeffrey pine woodland. Comment
  HSC59453  Lupinus tracyi Richard Runyon 1979-6-27 39 Trinity N of Trinity Summit Station, E of trail 1829 Comment
  HSC67154  Luzula comosa J. P. Smith, Thomas W. Nelson, Jane P. Nelson 1976-3-20 8508 Trinity Gray Creek Rd. 0.25 mi. from its junction with Hwy. 299 Comment
  HSC69795  Luzula comosa Thomas W. Nelson, Jane P. Nelson 1978-3-25 3829 Trinity Terrace above Canyon Creek at Lower Canyon Creek Meadow 915 Comment
  HSC73192  Luzula comosa R. York 1980-5-25 754 Trinity Near Shannon Butte 701 Comment
  HSC76530  Luzula comosa Alerie Gizinski 1981-7-30 226 Trinity Near Goat Hill 1433 Comment
  CAS-BOT-BC226926  Luzula comosa Eugene Carter 1975-4-27 928 Trinity East Fork of North Fork Trinity River. Slope south of Store Gulch 502 Comment
  HSC90032  Luzula comosa Andrew Enberg, Brad Penkala, Dan Scofield 1990-3-17 8 Trinity 2.8mi W of Gray's Falls Campground on Hwy. 299, Icebox Creek 280 Comment
  UC1563906  Luzula macrantha Barbara Ertter with Thomas J. Delendick 1987-5-16 6953 Trinity Highway 299 ca 23 mi E of Berry Summit on Highway 299 Comment
  HSC56635  Lythrum hyssopifolia G. L. Clifton, Butler 1979-7-17 8064 Trinity Near Clover Gulch, close to the town of Mad River 893 Comment
  HSC68147  Madia elegans J. P. Smith 1975-5-17 8111 Trinity SE-facing slope on trail to Denny at confluence of New River and Trinity River. Comment
  JEPS90546  Madia elegans Dean W. Taylor 1992-6-12 12727 Trinity Red Mountain Klamath Mtn. Region (along jeep road on ridge crest n of summit) 1615 Comment
  UC1069858  Madia elegans C. R. Clar 1930-7-3 84 Trinity Mouth of Dubakella Creek Trinity Forest, Hoaglin Quad. Comment
  RSA78041  Madia elegans subsp. elegans P. A. Munz 1952-6-29 17821 Trinity 0.5 mi. south of Hobo Gulch Public Camp, North Fork of Trinity River, 14 mi. n. of Helena. 960 Comment
  POM261215  Madia elegans subsp. vernalis Ynez Whilton Winblad 1938-5-3 s.n. Trinity Mineral King Road Comment
  CAS-BOT-BC344561  Madia exigua L. R. Abrams 1916-7-22 6178 Trinity Summit between Mad & Trinity Rivers on Eureka-Red Bluff Rd. Comment
  CAS-BOT-BC344562  Madia exigua Eugene Carter 1975-7-2 1027 Trinity East Fork of North Fork Trinity River. Abandoned mining ground south of Store Gulch 483 Comment
  HSC57276  Madia exigua G. L. Clifton, Butler 1979-7-18 8418 Trinity Near Jones Ridge, close to the town of Alderpoint 1158 Comment
  RSA49999  Madia exigua E. K. Balls 1949-6-30 13693 Trinity 1/2 mile above Dedrick, Canyon Creek. 732 Comment
  CAS-BOT-BC343480  Madia gracilis Joseph P. Tracy 1935-8-3 14481 Trinity Mary Blaine Mt. 1950 Comment
  CAS-BOT-BC465601  Madia gracilis Julie Kierstead Nelson; Dylan O. Burge; Lusetta Sims; Jenny Cribbs 2015-6-4 2015 -050 Trinity East slope of Trinity Alps, W of Trinity Lake, S of road to Stonewall Pass trailhead, spur off Road 35N73Y 1273 Comment
  HSC34556  Madia gracilis Lon Hall 1975-5-17 346 Trinity SE-facing slope on the trail to Denny at the confluence of New River and Trinity River 310 Comment
  JEPS89007  Madia gracilis V. Long 1991-6-26 110 Trinity Big Bar Ranger Dist. Shasta-Trinity National Forests, Ironside Mtn. Quad. (s-facing bank on road to Iron Mtn. Lookout, NE1/4 NW1/4 Sec. 11) Comment
  RSA0001406  Madia stebbinsii Thomas W. Nelson, Jane P. Nelson 1978-6-23 4337 Trinity Dubakella Mt. Along forest service road to Hell to Find Lake. 1159 Comment
  HSC42363  Maianthemum racemosum subsp. amplexicaule Richard Runyon 1977-7-17 Trinity Philpot Campground, 1.2 mi. W of Peanut 762 Comment
  HSC70298  Maianthemum racemosum subsp. amplexicaule M. A. Baker 1980-5-23 1424 Trinity Near Tierney Canyon 975 Comment
  HSC78479  Maianthemum stellatum John S. Palmer 1973-7-1 92 Trinity Bear Lakes Area, Tangle Blue Lake. 1753 Comment
  JEPS98743  Malacothrix floccifera Sue Pappalardo 1995-6-19 699 Trinity along FS Rd. 3N28 near its end Shasta-Trinity National Forests, Hayfork Ranger District 720 Comment
  UC906726  Malacothrix floccifera Harold E. Parks and Joseph P. Tracy 1942-7-3 11615 Trinity halfway between Kuntz and Hettenshaw; Van Duzen River 975 Comment
  UC933471  Malacothrix floccifera Annie M. Alexander and Louise Kellogg 1948-8-19 5512 Trinity within 1 mi Trinity Alps Resort; Trinity Mountains 762 Comment
  CAS-BOT-BC347594  Malacothrix floccifera Carl B. Wolf 1937-6-20 8939 Trinity North Coast Range, Van Duzen Road to Hettinshaw Valley, 9 1/2 mi. above Eureka - Red Bluff Road 762 Comment
  SEINET7881833 Image available Malacothrix obtusa Helen K. Sharsmith 1953-1 4364 Trinity Forest-Glen-Peanut road 4.2 miles west of Cold Springs, Trinity National Forest 1158 Comment
  CAS-BOT-BC348082  Matricaria discoidea Eugene Carter 1976-5-1 1110 Trinity North Fork Trinity River and vicinity. Pigeon Point Campground on the Trinity River 426 Comment
  CDA4193  Medicago lupulina T. C. Fuller 1964-6-23 12225 Trinity Around parking lot, county fairgrounds, Hayfork. 0 Comment
  JEPS123433  Melica aristata Julie Kierstead Nelson with Marie Buell 2015-7-17 2015 -098 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
  UC196387  Melica aristata H. S. Yates 1914-7-20 Trinity Head of Rush Creek Comment
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Dec 13 2011
  CAS-BOT-BC271122  Melica bulbosa Joseph P. Tracy 1935-8-5 14545 Trinity Head of White's Creek, Devil's Canyn Mts. 2072 Comment
  HSC65028  Melica californica D. L. Goforth 1979-7-21 306 Trinity Trinity Alps Wild Area, Union Creek. 1890 Comment
  UC192380  Melica californica Harry S. Yates 1913-5-19 312 Trinity ne of Weaverville Comment
  UC1145130  Melica fugax Joseph P. Tracy 1942-7-2 17379 Trinity Race Track; South Fork Mountain 1676 Comment
  HSC40312  Melica geyeri Thomas W. Nelson, Jane P. Nelson 1976-7-1 2959 Trinity Thin sedimentary soils along 5E27 between meadows. 1524 Comment
  CAS-BOT-BC281396  Melica harfordii David D. Keck 1944-7-10 5472 Trinity Muldoon Gulch, 3 miles W of Wildwood 1036 Comment
  CHSC32714  Melica harfordii John Sawyer; T. W. Nelson 1978-6-9 3189 Trinity On trail to Red Mountain. 1219 Comment
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Feb 19 2013
  HSC44173  Melica harfordii Thomas W. Nelson, Jane P. Nelson 1977-7-30 3641 Trinity On ridge between the forks of Black Lassic Creek 1646 Comment
  HSC86338  Melica harfordii J. P. Smith 1982-6-19 10460 Trinity French Creek Rd., 2.1 mi. from its junction with Hwy. 299 549 Comment
  UC1155011  Melica harfordii Richard Spellenberg 1965-6-12 1097 Trinity 2 mi e Burnt Ranch (Spellenberg property) Comment
  UC249874  Melica harfordii Joseph P. Tracy 1923-6-28 6391 Trinity Burnt Ranch North Coast Ranges 457 Comment
  CAS-BOT-BC264203  Melica subulata Joseph P. Tracy 1935-8-3 14447 Trinity Mary Blaine Mt. 1950 Comment
  UC192579  Melica subulata Harry S. Yates 1914-5-25 357 Trinity Musser Hill 1066 Comment
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Dec 13 2011
  HSC32559  Mentzelia dispersa Thomas W. Nelson 1973-7-10 1040 Trinity Along Mule Ridge SE of Red Lassic Comment
  HSC73266  Mentzelia dispersa M. A. Baker 1980-7-12 2846 Trinity Near Black Lassic 1753 Comment
  UC1299204  Mentzelia dispersa Freed W. Hoffman 1949-7-14 3015 Trinity near Summit (about on line of Trinity and humboldt counties); North Coast Ranges,Mt. Lassic Group 1524 Comment
  RSA41913  Mentzelia laevicaulis H. C. Cantelow 1936-8-23 1658 Trinity Blazing Star, Scott Ranch, 3 mi. S. of Trinity Center, near Trinity River. Comment
  UC314624  Mentzelia micrantha Joseph P. Tracy 1923-6-29 6425 Trinity near Big Bar (on hottest chaparral hills); Northern Coast Ranges 426 Comment
  CAS-BOT-BC94883  Micranthes integrifolia R. C. Wenk 2005-6-17 157 Trinity Coffee Creek, Big Flat Meadow, N end of meadow 1524 Comment
  CAS-BOT-BC432855  Micranthes tolmiei C. Hart Merriam 1899-8-1 s.n. Trinity Canyon Creek Comment
  HSC74140  Micropus californicus var. californicus M. A. Baker 1980-5-25 1615 Trinity Near Browns Canyon. 823 Comment
  HSC34583  Microseris laciniata Dryden 1975-5-16 174 Trinity Trails above Trinity River at Grays Falls Campground. 310 Comment
  UC1223194  Microseris laciniata subsp. laciniata Joseph P. Tracy 1942-7-3 17393 Trinity 4 mi se Low Gap (Van Duzen River, three mi se of Kuntz); Van Duzen River 792 Comment
  HSC71684  Microseris nutans M. A. Baker 1980-6-25 2372 Trinity Near Castle Rock 1280 Comment
  HSC74442  Microseris nutans M. A. Baker 1980-6-25 2241 Trinity Near Castle Rock. 1436 Comment
  HSC39154  Microseris nutans Gary S. Lester 1974-6-29 318 Trinity Trinity-Tehama Co. line; Yolla Bolly Wilderness: Ridge top S of N Yolla Bolly Peak 2317 Comment
  HSC46836  Mimulus alsinoides William J. Ferlatte 1968-6-9 1151 Trinity Packers Peak 2073 Comment
  HSC34185  Mimulus bicolor J. P. Smith, J. O. Sawyer 1973-7-4 7083 Trinity Trail 11W26 from Rd. 80 between Dubakella and S Dubakella Mtn. 1524 Comment
  POM225508  Mimulus bicolor P. A. Munz 1936-8-12 14371 Trinity 12 miles east of Forest Glen. 1006 Comment
  HSC78008  Mimulus breweri John S. Palmer 1973-6-17 16 Trinity Bear Lakes Area, below Big Bear Lake 1707 Comment
  JEPS10546  Mimulus breweri W. L. Jepson 1897-7-24 56 m Trinity South Yallo Balley 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
  HSC20723  Mimulus guttatus William J. Ferlatte 1966-6-1 2022 Trinity 1 mi. W of Hayden Flat campground along Hwy. 299 366 Comment
  JEPS16790  Mimulus guttatus Rimo Bacigalupi with G. Thomas Robbins 1954-6-27 4649 Trinity 0.6 mi s Trinity Alps Resort; Canyon of Stuart Fork of Trinity River 822 Comment
  UC184907  Mimulus guttatus Harry S. Yates 1914-5-17 290 Trinity near Weaverville Comment
  HSC64379  Mimulus kelloggii J. O. Sawyer, R. Jane Cole 1978-4-20 3149 Trinity Todd's Cabin, along E Fork of N Fork of Trinity River 762 Comment
  HSC26807  Mimulus kelloggii Thomas W. Nelson 1971-4-24 405 Trinity Along the New River Trail Comment
  HSC59268  Mimulus kelloggii Kenneth Clark 1979-4-12 250 Trinity 6 mi. S of Hwy. 36 on Deer Lick Springs Rd., along Reading Creek. Ca. 33 mi. S of Douglas City Comment
  HSC31682  Mimulus layneae D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-16 5677 Trinity Rutledge opening, former settlement area Comment
  JEPS94416  Mimulus layneae Vernon Oswald and Lowell Ahart 1997-7-17 8730 Trinity Forest Road 29 (Bramlot Road) 2.9 mni s of Highway 36; Forest Road 29 1158 Comment
  UC582835  Mimulus layneae P. A. Munz 1936-8-12 14370 Trinity 12 mi e Forest Glen 1005 Comment
  HSC103264  Mimulus layneae John McRae, Carrie Schreiber 2013-7-26 Trinity Six Rivers National Forest, Forest Glen Quad, South Fork Mountain, near Horse Ridge lookout. 1747 Comment
  HSC99272  Mimulus layneae D. M. Thompson 1989-7-2 1031 Trinity W of Peanut. Across paved road from gravel road leading to Philpot Campground 884 Comment
  HSC20718  Mimulus moschatus R. Spellenberg 1963-7-7 192 Trinity E Weaver Lake, near Weaverville 1982 Comment
  HSC78056  Mimulus moschatus John S. Palmer 1973-6-19 41 Trinity Bear Lakes area, along trail to Big Bear Lake 1646 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
  HSC90997  Mimulus moschatus Jennifer Whipple 1977-7-7 1947 Trinity Near Deadfall Lake. 2195 Comment
  HSC71136  Mimulus moschatus Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-24 4492 Trinity Along Bully Choop Rd. 2 mi. from rd. to lookout. 1372 Comment
  RSA41894  Mimulus moschatus H. C. Cantelow 1936-8-27 1720 Trinity Scott Ranch near Saw Mill, 3 mi S of Trinity Center. Comment
  HSC59959  Mimulus nanus var. nanus M. A. Ericksen 1979-6-22 336 Trinity Horsehead Mtn. 1773 Comment
  HSC68903  Mimulus nanus var. nanus Thomas W. Nelson, Jane P. Nelson 1980-6-20 5677 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
  JEPS11004  Mimulus primuloides subsp. primuloides W. L. Jepson 1897-7-24 52 m Trinity Soldier's Ridge Comment
  HSC48955  Mimulus pulsiferae M. A. Baker 1979-5-13 715 Trinity Hobo Gulch Campground 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
  HSC68112  Minuartia californica J. P. Smith 1973-5-6 6609 Trinity Blanchert Flats near Douglas City Comment
  HSC41207  Minuartia decumbens Thomas W. Nelson, Jane Nelson 1977-7-4 3617 Trinity Along Mule Ridge 1555 Comment
  CHSC35601  Minuartia douglasii Thomas W. Nelson 1980-5-30 5353 Trinity Shasta-Trinity National Forest. Along road 60 (Underwood Mountain Road) 6.6 miles south of junction with State Route 299. 1066 Comment
  HSC71664  Minuartia douglasii M. A. Baker 1980-6-25 2327 Trinity Near Castle Rock 1280 Comment
  HSC103936  Minuartia douglasii M. S. Taylor 1980-6-17 2916 Trinity About 4 mi. S of Wildwood; on N side of Forest Service Rd 29N36A, ~0.5 mi. W of its junction with FS Rd. 29N43 1220 Comment
  RSA293083  Minuartia douglasii Thomas W. Nelson, Jane P. Nelson 1980-5-25 5338 Trinity Along Covelo-Zenia Road, .5 mile south of Kettenpaum store. 1037 Comment
  RSA47809  Minuartia douglasii Roxana S. Ferris, Laura Lorraine 1948-6-11 11689 Trinity 1.5 miles above Peanut on State Highway 36. Comment
  SEINET10537564  Minuartia douglasii Mary Susan Taylor 1980-6-17 Taylor 2913 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
  HSC41206  Minuartia nuttallii subsp. gregaria Thomas W. Nelson, Jane P. Nelson 1977-7-4 3616 Trinity Along Mule Ridge 1555 Comment
  HSC68058  Minuartia nuttallii subsp. gregaria J. P. Smith, J. O. Sawyer 1975-6-23 8334 Trinity Near top of Bully Choop 2104 Comment
  HSC70064  Minuartia nuttallii subsp. gregaria Thomas W. Nelson, Jane P. Nelson 1978-6-23 4367 Trinity N of Red Mtn. along road from Red Mtn. to Hell to Find Lake 1616 Comment
  HSC71830  Minuartia nuttallii subsp. gregaria Thomas W. Nelson, Jane P. Nelson 1980-6-27 5941 Trinity Along SE side of Mule Ridge 1524 Comment
  HSC76243  Minuartia nuttallii subsp. gregaria Alerie Gizinski 1981-7-30 213 Trinity Near Senteney Rock 1494 Comment
  HSC70099  Minuartia nuttallii subsp. gregaria Thomas W. Nelson, Jane P. Nelson 1978-6-22 4283 Trinity Along Dubakella road, 3.7 mi. from intersection with Hwy. 36 1433 Comment
  UCD98296  Minuartia nuttallii subsp. gregaria A. H. Murphy 1959-7-24 59 U Trinity summit between Bear Creek and toad Lake in Shasta National Forest. 2346 Comment
  CHSC99980  Minuartia nuttallii var. gregaria L. P. Janeway 2008-7-26 9512 Trinity Klamath Ranges. Trinity Mouontains/The Eddys; along Road 40N45 9.8 road km north-northwest of Road 26; near a small tributary creek to upper Little Picayune Creek. 1847 Comment
  CAS-BOT-BC181146  Minuartia rosei Thomas W. Nelson 1980-5-30 5754 Trinity Along Road 60 (Underwood Mountain Road) 0.5 miles south of junction with road 4N34 (Eltapom Road) - Six Rivers National Forest 822 Comment
  CAS-BOT-BC181152  Minuartia rosei Thomas W. Nelson; Jane P. Nelson 1980-6-17 5494 Trinity Along Salt Creek Road at junctino with road 30N24, Shasta-Trinity National Forest 944 Comment
  HSC67286  Minuartia rosei Thomas W. Nelson, Jane P. Nelson 1980-6-17 5494 Trinity Shasta-Trinity National Forest, along Salt Creek Rd. at junction with FS Rd. 30N24 945 Comment
  UC1111619  Minuartia rosei Lewis S. Rose 1955-7-18 55126 Trinity 1 mi sw Peanut 762 Comment
  CHSC71031  Moehringia macrophylla Vernon Oswald; Lowell Ahart 1998-5-14 9058 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
  HSC51280  Moehringia macrophylla G. L. Clifton, Overton 1979-6-4 4119 Trinity Near Shanty Creek, close to the town of Alderpoint 853 Comment
  HSC81908  Mollugo verticillata Thomas W. Nelson, Jane Nelson 1979-7-7 4988 Trinity Along margin of Trinity Lake at Wyntoon Campground Comment
  HSC28240  Monardella glauca Thomas W. Nelson 1973-7-14 1084 Trinity At the head of the trail to Deadfall Lakes 1982 Comment
  HSC42495  Monardella odoratissima Robert M. Specht 1977-6-30 1129 Trinity N-S running ridge with steep W slope 1631 Comment
  HSC92963  Monardella odoratissima Jennifer Whipple 1977-9-9 2281 Trinity S facing slopes N of Deadfall Lake in the Deadfall Drainage 2195 Comment
  CAS-BOT-BC215519  Monardella odoratissima Mrs. E. C. Van Dyke 1931-6-23 s.n. Trinity Nash Mine above Carville Comment
  HSC44331  Monardella odoratissima Thomas W. Nelson, Jane P. Nelson 1977-7-30 3666 Trinity Along N side of Mule Ridge above S Fork of Black Lassic Creek 1463 Comment
  HSC70044  Monardella odoratissima subsp. odoratissima Thomas W. Nelson, Jane P. Nelson 1978-6-22 4276 Trinity Along Dubakella Rd., 2.3 mi. from junction with Hwy. 36, intersection of FS 29N31 and FS 29N55 1402 Comment
  HSC77974  Monardella odoratissima subsp. pallida John S. Palmer 1973-8-3 160 Trinity Bear Lakes area, along trail to Big Bear Lake 1585 Comment
  HSC98471  Monardella odoratissima subsp. pallida Dana York 2009-7-19 2984 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
  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
  RSA67498  Monardella odoratissima subsp. pallida P. A. Munz 1951-7-20 16709 Trinity Fisher Ridge, east of Black Rock. North Yolla Bolly Mts. 2195 Comment
  SEINET844324  Monardella odoratissima subsp. pallida Steven P. McLaughlin 1989-1 5694 Trinity Trinity County. Trinity National Forest, along Highway 302, 2.2 miles south of Highway 3 822 Comment
  UCD125211  Monardella odoratissima subsp. pallida Joseph M. DiTomaso 1975-7-11 119 Trinity Trinity Alps, junction of Bear Basin and Swift Creek Trails. 1554 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
  CAS-BOT-BC220250  Monardella sheltonii Eugene Carter 1971-7-28 322 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity. (18 mi. NW of Weaverville.) Along the Hobo Gulch Road at Blue Ridge 1112 Comment
  HSC64998  Monardella sheltonii D. L. Goforth 1979-7-21 292 Trinity Trinity Alps Wilderness Area. 1890 Comment
  UCD125242  Monardella sheltonii Dean Wm. Taylor; Kathleen A. Teare 1979-9-13 7701 Trinity Smoky Creek headwaters (ca. 8 miles southeast of Forest Glen). 1158 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-BC94543  Muhlenbergia minutissima R. C. Wenk 2006-7-24 535 Trinity Trinity Alps, Coffee Creek, Big Flat Meadow, at N end of meadow 1524 Comment
  SEINET185121 Image available Muhlenbergia montana C. L. Hitchcock, J. S. Martin 1939-7-11 5399 Trinity South shore of Upper Canyon Creek Lake 11 mi. north of Dedrick Salmon-Trinity Mts. 1890 Comment
  UC2046867  Muhlenbergia montana R. E. Brainerd 2014-7-4 2312 Trinity Trinity County: Klamath Mountains; Trinity Alps Wilderness Area, Shasta-Trinity National Forest; just west of Boulder Creek Trail; ca. 1000 feet south of Boulder Creek-Canyon Creek trail junction, 4.6 air miles north of Canyon Creek Trailhead. Comment
  UC195219  Nama lobbii Annie M. Alexander and L. Kellogg 1911-7-8 242 Trinity Trinity Alps, North Fork Coffee Creek North Fork Coffee Creek; Trinity Alps, North Fork Coffee Creek 1371 Comment
  RSA41936  Narthecium californicum H. C. Cantelow 1936-8-24 1730 Trinity Summit of Scott Mt. 1631 Comment
  CDA34197  Navarretia atractyloides Ed Peak 2010-8-28 PDR# 1475666 Trinity Hayfork; Summit Creek Road 0 Comment
  RSA107400  Navarretia atractyloides L. S. Rose 1955-6-13 55084 Trinity Hayfork 716 Comment
  HSC78492  Navarretia capillaris John S. Palmer 1973-7-1 88 Trinity Bear Lakes Area, Tangle Blue Lake 1753 Comment
  HSC35664  Navarretia divaricata J. P. Smith, J. O. Sawyer 1973-7-4 7055 Trinity Trail 11W26 from Rd. 80, between Dubakella and S Dubakella Mtn. 1524 Comment
  HSC73617  Navarretia intertexta Gail Newton 1980-7-10 1253 Trinity Near Senteney Rock 1463 Comment
  RSA273364  Navarretia intertexta Thomas W. Nelson, James Nelson 1976-6-22 2778 Trinity Growing on meadow below Senteney Rock 1433 Comment
  UC1553522  Navarretia intertexta E. Dean 1988-6-12 32 Trinity Hayfork, SE shore of reservoir Comment
  UC908131  Navarretia intertexta Joseph P. Tracy 1932-6-17 10199 Trinity Three Forks of Mad River North Coast Ranges 883 Comment
  OBI11295  Navarretia intertexta Carl B. Wolf 1937-6-20 8929 Trinity North Coast Range, along Mad River, 5-8/10 mi above Eureka-Red Bluff rd on road to Ruth 457 Comment
  HSC69989  Navarretia leptalea Thomas W. Nelson, Jane P. Nelson 1978-6-22 4292 Trinity Along Dubakella Rd., 4.8 mi. from junction with Hwy. 36 1527 Comment
  HSC82156  Navarretia leptalea Thomas W. Nelson, Jane P. Nelson 1979-6-25 4912 Trinity Stuart Gap 1524 Comment
  UC1347209  Navarretia linearifolia subsp. pinnatisecta John Thomas Howell 1937-7-30 13697 Trinity on road to Minersville 7 mi from Trinity Center; 7 mi from Trinity Center Comment
  UC1299517  Navarretia linearifolia subsp. pinnatisecta Freed W. Hoffman 1950-7-6 3676 Trinity 3.5 mi n Red Mountain Guard Station (on Red Mountain road); North Coast Ranges, on Red Mountain Road Comment
  CAS-BOT-BC232742  Navarretia sinistra subsp. pinnatisecta John Thomas Howell 1955-7-17 30719 Trinity Near Hayfork 731 Comment
  HSC17147  Navarretia squarrosa R. Spellenberg 1964-6-16 440 Trinity Spellenberg property, 2 mi. E of Burnt Ranch Comment
  HSC3869  Nemacladus capillaris J. P. Tracy 1932-6-17 10189 Trinity Three Forks of Mad River. 884 Comment
  UC1116248  Nemacladus capillaris Joseph P. Tracy 1941-6-29 16929 Trinity halfway between Kuntz and Hettenshaw 975 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
  SEINET10905842  Nemacladus capillaris Tracy 1923-6-30 TRACY 6478 Trinity South edge of Hay Fork Valley 792 Comment
  HSC65240  Nemophila heterophylla J. P. Smith, J. O. Sawyer 1973-4-30 6362 Trinity 0.5 mi. E of the Indian Creek Bridge on Hwy. 299 Comment
  JEPS47373  Nemophila heterophylla L. R. Heckard, and Robert Ornduff 1966-4-28 1489 Trinity along road 3.2 mi n Junction City; n of Junction City Comment
  HSC34665  Nemophila heterophylla John S. Palmer 1975-5-17 347 Trinity Humboldt Meridian; Hayden Flat Campground on the N side of the Trinity River adjacent to Hwy. 299. 390 Comment
  UC1245395  Nemophila menziesii Joseph T. Gregory 1932-6-17 156 Trinity Three Forks Mad River Comment
  HSC26799  Nemophila parviflora Thomas W. Nelson 1971-4-25 417 Trinity Grays Falls Campground Comment
  RSA201827  Nemophila pedunculata Colleen O Rourke 1965-3-20 10 Trinity Alfalfa field 100 yards west of road; along Salt Creek, 3 miles south of Hayfork. 701 Comment
  CAS-BOT-BC60606  Noccaea fendleri subsp. glauca Joseph P. Tracy 1935-8-3 14460 Trinity Mary Blaine Mountain. 1950 Comment
  HSC42300  Noccaea fendleri subsp. glauca Rich White 1977-5-7 54 Trinity Blue Point on Blue Point Ridge 1573 Comment
  HSC68187  Notholithocarpus densiflorus var. echinoides J. P. Smith, J. O. Sawyer 1973-4-15 6123 Trinity Along Coffee Creek Rd., 1.4 mi. W of Hwy. 3 701 Comment
  HSC85721  Nuphar polysepala J. P. Smith 1980-8-23 10335 Trinity Shasta-Trinity National Forest, Lake Eleanor 1524 Comment
  UC922374  Oemleria cerasiformis Annie M. Alexander and Louise Kellogg 1949-6-26 5710 Trinity n of Yolla Bolly Middle Eel Primitive Area (White Rock Ranger Station) 1706 Comment
  CAS-BOT-BC349940  Onopordum acanthium T. C. Fuller 1960-6-29 s.n. Trinity South bank of Trinity River, N/Hwy 299, just W/Indian Creek bridge, 1.7 miles E/Douglas City Comment
  JEPS66434  Orobanche fasciculata L. R. Heckard and P. Rubtzoff 1971-8-1 2696 Trinity Slope to north of Middle Deadfall Lake, about 1 air mile southwest of Mt. Eddy summit. Comment
  HSC59260  Orobanche uniflora Rick Lundquist 1979-5-12 75 Trinity 0.5 mi. E on the N fork of Deerlick Springs Rd., in Blanchard Flats near Douglas City 610 Comment
  HSC78043  Orobanche uniflora John S. Palmer 1973-6-19 33 Trinity Bear Lakes Area, below Big Bear Lake. 1707 Comment
  HSC16877  Orobanche uniflora John L. Heywood, D. H. Norris 1968-3-30 1789 Trinity Hwy. 299, 8.94 mi. E of Humboldt Co. line. Comment
  UC1197572  Orthilia secunda Joseph P. Tracy 1923-6-30 6489 Trinity South Fork Mountains, near Summit on road to Low Gap of Mad River 1066 Comment
  RSA0083202  Orthilia secunda C. L. Hitchcock, J. S. Martin, A. S. Hitchcock 1939-7-12 5359 Trinity 1 miles above Canyon Creek Meadow, 8 miles above Dedrick in Salmon-Trinity Alps. 1524 Comment
  HSC91024  Orthocarpus cuspidatus subsp. copelandii Jennifer Whipple 1978-10-6 2371 Trinity S facing slopes N of Deadfall Creek 2256 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
  UC922342  Orthocarpus cuspidatus subsp. copelandii Annie M. Alexander and Louise Kellogg July 1949 5792 Trinity nw Trinity Center (South branch of Coffee Creek, Union Creek); Union Creek, South Branch of Coffee Creek 1828 Comment
  JEPS3420  Orthocarpus imbricatus Harold E. Parks and Joseph P. Tracy 1941-8-28 11516 Trinity South Fork Mt. near Cold Springs; South Fork Mt., near Cold Springs 1645 Comment
  HSC34165  Osmorhiza berteroi J. P. Smith, J. O. Sawyer 1973-7-4 7052 Trinity Trail 11W26 from Rd. 80, between Dubakella and S Dubakella Mtn. 1524 Comment
  HSC55536  Osmorhiza berteroi Overton 1979-7-18 8702 Trinity Near Horse Ridge, close to the town of Mad River. 1219 Comment
  HSC68590  Osmorhiza berteroi Jacqueline Greenleaf 1980-7-9 158 Trinity Near Mad River Ridge 1006 Comment
  HSC74310  Osmorhiza berteroi M. A. Baker 1980-5-25 1620 Trinity Near Browns Canyon. 823 Comment
  BLMAR222  Osmorhiza berteroi Jennifer Anthony-Wheeler 1996-7-11 222 Trinity N.Dobbyn creek, growing throughout understory 1005 Comment
  HSC91143  Osmorhiza occidentalis Jennifer Whipple 1976-6-22 1073 Trinity Mount Eddy, near Lower Deadfall Lake 2165 Comment
  UC1212575  Oxalis trilliifolia Francia Chisaki and Helen Sharsmith 1959-8-21 4750 Trinity 11 mi from Hawkins Bar (Bell Creek, tributary of New River at crossing of rd from Hawkins Bar to Denny); Inner North Coast Ranges Comment
  JEPS57223  Packera cana L. R. Heckard 1967-8-13 1715 Trinity above Upper Deadfall Lakes (sw of Mt. Eddy) 2560 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
  HSC68868  Packera greenei Thomas W. Nelson 1980-6-20 5712 Trinity Shasta-Trinity National Forest, along Forest Service Rd. 29N73, 1.6 mi. S of junction with Hwy. 36 1220 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
  RSA49785  Pedicularis attollens E. K. Balls 1949-7-7 13881 Trinity Scott Mountain Camp Meadow, Scott Mt. 1631 Comment
  RSA123778  Pedicularis attollens G. D. Barbe 1955-7-27 293 Trinity Just south of Scott Mtn Forest Camp. 1616 Comment
  UC2046553  Pedicularis attollens William J. Ferlatte 1974-8-16 1647 Trinity slope below west side of Summit Lake; wet meadow Comment
  HSC4485  Pedicularis bracteosa var. flavida William J. Ferlatte 1967-8-11 883 Trinity Grizzly Lake Basin, 0.5 mi. N of Grizzly Lake 2134 Comment
  HSC333  Pedicularis contorta William J. Ferlatte 1967-8-11 909 Trinity N side of Thompson Peak 2378 Comment
  HSC818  Pedicularis contorta William J. Ferlatte 1967-8-6 802 Trinity Upper end of Canyon Creek above the lakes 1829 Comment
  JEPS74622  Pedicularis contorta William J. Ferlatte, Alice Q. Howard 1970-8-12 1312 Trinity ridge w of upper Canyon Creek; Trinity Alps 2255 Comment
  CHSC3483  Pedicularis densiflora Roger Jaegal 1966-3-26 51 Trinity Located along the south bank of the south fork of the Trinity River two miles west of Hyampom. Comment
  CHSC59825  Pedicularis densiflora B. Williams 1979-5-30 179 Trinity Shasta-Trinity NF/Yolla Bolla Road, 3.3 mi from road 30 on road to Mud Springs. 1524 Comment
  HSC28390  Pedicularis densiflora J. P. Smith 1973-4-21 6191 Trinity Above Eagle Creek Loop, N of the Eagle Creek Campground. 854 Comment
  SJSU11604  Pedicularis densiflora A. H. Lilleberg 1961-3-30 Trinity by Trinity R 2 mi below Lewiston 640 Comment
  HSC81877  Pedicularis densiflora Thomas W. Nelson, D. Gordon 1980-5-7 5173 Trinity E side of Vista Lane, 5 mi. N of junction with Highland Dr., 3 mi. N of Hyampom Rd. 671 Comment
  UC1245387  Pedicularis racemosa Joseph T. Gregory 1935-8-8 989 Trinity at head of Devil's Canyon Creek (on w side); Devil's Canyon Mountains 1981 Comment
  HSC54108  Pellaea brachyptera Gilbert Muth 1979-7-17 8239 Trinity Near Van Horn Peak, close to the town of Mad River 1318 Comment
  UC922667  Pellaea brachyptera Annie M. Alexander and Louise Kellogg 1948-8-21 5527 Trinity Morris Meadow, Stuart Fork of Trinity River Morris Meadow; Trinity Mts 1280 Comment
  CAS-BOT-BC69314  Pellaea brachyptera 183 Trinity Trinity National Forest Comment
  HSC797  Penstemon anguineus William J. Ferlatte 1967-7-24 703 Trinity Big Flat 1524 Comment
  JEPS24120  Penstemon anguineus Peter H. Raven with R. Snow 1958-7-19 13611 Trinity 14.3 mi n Helena (Hobo Gulch Public Camp); n of Helena Comment
  SEINET10547901  Penstemon anguineus Mary Susan Taylor 1980-6-30 Taylor 3000 Trinity T36N R8W n half sec 33, Trinity Dam quad; Shasta-Trinity Natl Forest; along Davis Creek, ca. 2 mi NW of Hwy 3, ca. 7.5 mi SW of Trinity Center. 1067 Comment
  HSC74188  Penstemon azureus Gail Newton 1980-7-2 946 Trinity Near N Kelsey Peak 1463 Comment
  RSA21191  Penstemon azureus subsp. azureus Carl B. Wolf 1937-8-11 9150 Trinity North Coast Range, Upper Mad River, 0.2 mile below Mad River Store. 610 Comment
  HSC36403  Penstemon deustus J. P. Smith, J. O. Sawyer 1973-7-4 7030 Trinity W slopes of S Dubakella Mtn. on Rd. 80 to Mud Springs 1555 Comment
  UC195208  Penstemon deustus Annie M. Alexander and Louise Kellogg 1911-7-8 240 Trinity N Fk Coffee Cr 1371 Comment
  UCD124094  Penstemon deustus W. C. Overton Jr. 1977-7-9 s.n. Trinity on trail from Big Flat (on divide between Coffee Creek and South Fork of Salmon River) to lookout on Packers Peak, Shasta National Forest. 2072 Comment
  JEPS11238  Penstemon deustus var. deustus Joseph P. Tracy 1923-6-30 6467 Trinity Hay Fork Valley Northern Coast Ranges, Hay Fork Valley 792 Comment
  CHSC31172  Penstemon filiformis M. S. Taylor 1980-7-22 3162 A Trinity On w side of Hwy 135, ca. 0.5 mi n of Eagle Creek Campground on Hwy 3. 822 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
  NY593763  Penstemon filiformis J. T. Howell 1937-7-28 13597 Trinity Trinity River Canyon near Eagle Creek Comment
  NY601750  Penstemon heterophyllus var. purdyi C. B. Wolf 1937-6-20 8932 Trinity North Coast Range, along Mad River, 5.8 miles above Eureka - Red Bluff Road on road to Ruth. 457.2 Comment
  NY601778  Penstemon heterophyllus var. purdyi P. A. Munz 1951-7-18 16653 Trinity On trail to Stuart Gap, from Grasshopper Public Camp, north base of North Yolla Bolly Mountains 1432.6 Comment
  CHSC27313  Penstemon laetus var. sagittatus T. B. Devine 1976-8-8 353 Trinity 6 mi n of Weaverville on Hwy 3. 822 Comment
  UCD124299  Penstemon newberryi Joseph M. DiTomaso 1975-7-1 84 Trinity Trinity Alps; above Emerald Lake. 1706 Comment
  JEPS77450  Penstemon newberryi var. berryi William J. Ferlatte 1977-6-19 1886 Trinity canyon of Coffee Creek, 0.2 mi W of Chink-hollow Creek, on S side of road Trinity Alps 1020 Comment
  NY627422  Penstemon newberryi var. berryi C. L. Hitchcock 1939-7-11 5411 Trinity Lower Canyon Creek Lake, 10 miles west of Dedrick, Salmon-Trinity Alps 1889.8 Comment
  CHSC1882  Penstemon parvulus V. Holt 1942-8-13 Trinity Summit Lake, Trinity Alps. 2438 Comment
  JEPS123095  Penstemon parvulus D. Burge and J. Nelson with Jepson Herbarium workshop participants 2015-6-27 JHWS- 076 Trinity Bonanza King Comment
  UC722729  Penstemon parvulus C. L. Hitchcock and J. S. Martin 1939-7-12 5351 Trinity 6 mi n Dedrick (on Canyon Creek trail); Salmon-Trinity Alps Comment
  RSA211300  Penstemon procerus subsp. brachyanthus William J. Ferlatte 1966-6-30 162 Trinity Canyon Creek Lakes. Trinity Alps 1646 Comment
  JEPS11499  Penstemon procerus var. brachyanthus Joseph P. Tracy 1935-8-5 14539 Trinity head of White's Creek Devil's Canyon Mts., head of White's Creek 2072 Comment
  NY638935  Penstemon procerus var. brachyanthus A. M. Alexander 1948-8-10 5467 Trinity Upper Canyon Creek Lake 1767.8 Comment
  HSC39142  Penstemon procerus var. brachyanthus Gary S. Lester 1974-6-30 331 Trinity Saddle between N Yolla Bolly Mtn. and Black Rock Mtn., Yolla Bolly Wilderness Area 2165 Comment
  RSA125690  Penstemon procerus var. brachyanthus Arthur R. Kruckeberg 1954-8-10 3735 Trinity In granitic talus, s. facing slopes about Sapphire Lake, Trinity Alp, Salmon-Trinity Primitive Area 2287 Comment
  RSA66477  Penstemon procerus var. brachyanthus Philip A. Munz 1951-7-21 16777 Trinity North Yolla Bolly Mountains: Fisher Ridge. 2104 Comment
  HSC91098  Penstemon procerus var. formosus Jennifer Whipple 1976-6-24 1127 Trinity Trinity and Siskiyou Counties, summit region of Mt. Eddy 2561 Comment
  HSC68733  Penstemon purpusii Thomas W. Nelson, Jane Nelson 1980-6-22 5751 Trinity Shasta-Trinity National Forest, along FS Rd. 29N28, 7 mi. S of junction with Hwy. 36, 1 mi. from Goat Camp 1372 Comment
  SD98858  Penstemon purpusii Darley F. Howe 1977-6-30 4958 Trinity Weaver Bally Road 1676 Comment
  HSC63121  Penstemon purpusii M. A. Baker 1979-6-22 880 Trinity S slope of Horsehead Mtn. Comment
  RSA259590  Penstemon purpusii Gary S. Lester 1974-6-30 329 Trinity Trinity-Tehama Co line. Yolla Bolly Wilderness Area. Below ridge S of N Yolla Bolly Peak. 2256 Comment
Read comments
Jun 10 2012
  RSA67030  Penstemon sonomensis Philip A. Munz 1951-7-21 16760 Trinity On high, dry, stony, exposed Fisher Ridge. 2165 Comment
  UC1245363  Penstemon tracyi Joseph T. Gregory 1935-8-8 991 Trinity at head of White's Creek, rocks near summit, north slope Devil's Canyon Mts. White's Creek; Devil's Canyon Mts., White's Creek 2255 Comment
  HSC91163  Perideridia parishii subsp. latifolia Jennifer Whipple 1976-8-4 1603 Trinity N of Lower Deadfall and Deadfall Lakes along creek draining the Upper Deadfall Lakes 2165 Comment
  JEPS14229  Perideridia parishii subsp. latifolia Joseph P. Tracy 1935-8-3 14493 Trinity Mary Blaine Meadow Mary Blaine Mt. 1950 Comment
  CHSC30128  Petasites frigidus var. palmatus M. S. Taylor 1980-6-18 2925 Trinity 100 ft w of Hwy 3, ca. 1 1/4 mi n of Gemmil Gulch Picnic Area, ca. 2 mi n of Wildwood. 1036 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
  JEPS57190  Phacelia corymbosa L. R. Heckard 1967-8-13 1684 Trinity above Deadfall Lakes (sw ridge of mt.); Mt. Eddy 2560 Comment
  JEPS94463  Phacelia corymbosa Vernon Oswald and Lowell Ahart 1997-7-17 8742 Trinity 5.6 mi s of Highway 36 (Junction of Forest Route 29 and 29N58 to Forest Glen); Junction of Forest Route 29 and 29N58 1493 Comment
  HSC27934  Phacelia corymbosa Gary S. Lester 1973-6-30 28 Trinity Near Peanut on Salt Creek 915 Comment
  RSA42018  Phacelia corymbosa H. C. Cantelow 1936-8-24 1626 Trinity 6.5 miles N of Carrville. Comment
  UC910005  Phacelia corymbosa Alice Eastwood and John Thomas Howell 1937-6-25 4950 Trinity between Coffee Creek and Eagle Creek; Trinity River Canyon Comment
  HSC46785  Phacelia dalesiana William J. Ferlatte, J. M. DiTomaso 1976-7-7 1776 Trinity Swift Creek drainage, 6 mi. WNW of Trinity Center, along USFS Rd. 8W13 from Deer Flat to Shimmy Lake 1/4-1/2 mi. E of Deer Flat camp 2012 Comment
  JEPS109623  Phacelia dalesiana Dean W. Taylor 2002-6-13 18156 Trinity Scorpion Lake, Trinity Mountains, westerly upper flank Bonanza King 1798 Comment
  CDA40385  Phacelia dalesiana G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2752 Trinity Scott Mountain Summit campground, Scott Mountains, Trinity National Forest; summit of Highway 3 between Callahan (Siskiyou County) and Trinity Center. Comment
  JEPS47368  Phacelia egena L. R. Heckard and Robert Ornduff 1966-4-28 1494 Trinity on road to Dedrick (2 mi n of Highway 299) Comment
  UC956791  Phacelia egena L. Constance and R. Bacigalupi with S. Carlquist, R. Moran and R. L. Rodriguez 1951-6-13 3388 Trinity 4 mi e Forest Glen; South Fork of Trinity River 731 Comment
  HSC13660  Phacelia egena John L. Heywood, D. H. Norris 1968-3-30 1798 Trinity Hwy. 299, 26 mi. E of Humboldt Co. line Comment
  UCD120743  Phacelia egena Robert E. Preston 1984-5-20 453 Trinity 5.3 km e of Junction City, N side of Hwy 299. 762 Comment
  HSC57256  Phacelia heterophylla G. L. Clifton, Butler 1979-7-17 8030 Trinity Near Jones Ridge, close to the town of Mad River 1388 Comment
  HSC41589  Phacelia heterophylla subsp. virgata Thomas W. Nelson, Jane P. Nelson 1977-6-19 3526 Trinity Above Senteney Rock 1555 Comment
  UC184657  Phacelia linearis Harry S. Yates 1914-7-13 499 Trinity Stuarts fork 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
  JEPS57215  Phacelia mutabilis L. R. Heckard 1967-8-13 1723 Trinity along trail between Deadfall Meadow and Middle Deadfall Lake; The Eddys 2072 Comment
  UC933388  Phacelia mutabilis Annie M. Alexander and Louise Kellogg 1948-8-6 5414 Trinity Canyon Creek (tributary of Trinity River) Trinity Mountains 1676 Comment
  HSC78019  Phacelia mutabilis John S. Palmer 1973-6-16 3 Trinity Bear Lakes Area, along trail to Big Bear Lake 1220 Comment
  UCD120628  Phacelia mutabilis Joseph M. DiTomaso 1976-7-6 558 Trinity West of Fosters Cabin on Swift Creek Trail. 1630 Comment
  JEPS101199  Phalaris arundinacea Dean W. Taylor and Kathleen A. Teare 1979-9-7 Trinity near Big Bar; Trinity River 365 Comment
  HSC37511  Philadelphus lewisii A. M. Montalvo, J. D. Ackerman 1975-7-14 542 Trinity Junction of Hwy. 3 and 36, S of Hayfork Comment
  HSC59925  Philadelphus lewisii D. L. Goforth 1979-7-5 203 Trinity Deadwood Creek Rd. at Donnelly Gulch Comment
  JEPS74583  Philadelphus lewisii W. J. Ferlatte and B. D. Rogers 1966-6-1 2030 Trinity 1 mi n Junction City 457 Comment
  UCR123900  Philadelphus lewisii George K. Helmkamp, E. A. Helmkamp 2001-7-8 6941 Trinity Trinity Mountains, Calif. Hwy 36, 2.2 mi west of the Trinity/Shasta Co. line 1159 Comment
  CAS-BOT-BC253540  Phleum alpinum P. A. Munz 1951-7-20 16736 Trinity Dried pond near Black Rock Lake, North Yolla Bolly Mts. 1981 Comment
  CAS-BOT-BC250956  Phleum pratense James M. Olsen 1965-8-1 s.n. Trinity Hayfork Comment
  JEPS48583  Phlox adsurgens Hilda W. Grinnell 1932-7-15 18 Trinity near Cold Springs (Elkin's place); South Fork Mt. Comment
  SEINET10496838  Phlox adsurgens Mary Susan Taylor 1980-6-12 Taylor 2859 Trinity On W side of 5N40, ca. 2.3 mi S of its jct with Underwood Mt Road (5N09), ca. 8.1 mi S of Trinity Hwy (299) at Burnt Ranch; Shasta National Forest. Comment
  HSC45324  Phlox diffusa J. P. Smith 1973-4-21 6220 Trinity Big Bear Lake trail, N of Eagle Creek Campground 1037 Comment
  HSC49258  Phlox diffusa J. P. Smith, J. O. Sawyer, Thomas W. Nelson 1978-5-7 9912 Trinity Blue Ridge on FS 34N07Y 1098 Comment
  HSC28833  Phlox speciosa subsp. nitida J. P. Smith 1973-4-21 6336 Trinity Eagle Creek Campground, along the Trinity River. 869 Comment
  HSC67351  Phlox speciosa subsp. nitida Thomas W. Nelson, D. Gordon 1980-5-8 5247 Trinity Along FS Rd. 2N10 at junction with FS Rd. 2N10 B 1280 Comment
  HSC68860  Phlox speciosa subsp. occidentalis Thomas W. Nelson, Jane P. Nelson 1980-6-22 5728 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
  HSC26711  Phoenicaulis cheiranthoides William J. Ferlatte 1972-7-15 1394 Trinity Packers Peak, summit 2387 Comment
  HSC44085  Phoenicaulis cheiranthoides Thomas W. Nelson, Jane P. Nelson 1977-4-24 3347 Trinity Along ridge above Senteney Rock 1555 Comment
  UC562501  Phyllodoce empetriformis Joseph P. Tracy 1935-8-7 14598 Trinity Devil's Canyon Mountains, at head of White's Creek White's Creek; Devil's Canyon Mountains, White's Creek 2072 Comment
  UCD102275  Phyllodoce empetriformis Daniel Sanchez-Mata; S. Rivas-Martinez, A. Penas and Sara del Rio 2011-7-18 s.n. Trinity Weed. Stewart Springs Road-Parks Road. Mount Eddy Trail. 2490 Comment
  HSC75367  Physaria occidentalis J. O. Sawyer, K. A. Sawyer 1980-6-18 3439 Trinity Yolla Bolly Wilderness, Cedar Basin 2134 Comment
  CAS-BOT-BC140495  Physocarpus Ella Dales Cantelow 1935-6-10 953 Trinity Nr. Trinity Alps Resort Comment
  CAS-BOT-BC140631  Physocarpus capitatus Eugene Carter 1974-6-3 793 Trinity Salmon-Trinity Alps and vicinity, at mouth of Rich Gulch 480 Comment
  CAS-BOT-BC140632  Physocarpus capitatus L. B. Kildale 1930-9-1 s.n. Trinity Eagle Creek near Helena Comment
  CHSC35568  Physocarpus capitatus J. P. Smith 1979-6-15 10109 Trinity Shasta-Trinity Forest. Scott Mtn. Creek bridge along State Route 3. 1219 Comment
  UCD113681  Physocarpus capitatus G. F. Hrusa 1992-5-30 10439 Trinity Approx. 10 ft. tall on bank of Scorpion Creek along road to Bonanza King lookout off Hwy 3. Comment
  UC275530  Picea breweriana Frank A. Graham 1923-8-9 Trinity head New River; Northern Coast Ranges, Pony Mt. 2133 Comment
  HSC77992  Pinus attenuata John S. Palmer 1973-9-7 215 Trinity Trail to Big Bear Lake 1220 Comment
  JEPS57147  Pinus balfouriana subsp. balfouriana L. R. Heckard 1967-8-13 1678 Trinity above Middle Deadfall Lake (on trail to Mt. Eddy summit); above Middle Deadfall Lake 2377 Comment
  HSC54098  Pinus jeffreyi Walter Overton 1979-7-17 8185 Trinity Near Horse Ridge, close to the town of Mad River 1356 Comment
  CAS-BOT-BC78790  Pinus lambertiana Doris K. Kildale 1927-7-4 3690 Trinity Summit on boundary between Trinity + Shasta counties Comment
  UC1193170  Pinus monticola P. J. Zinke 1950-6-20 127 Trinity on high point between Casoose Creek and Hull Creek; Quadrangle 43-A-2 1737 Comment
  HSC72785  Pinus ponderosa M. A. Baker 1980-7-2 2646 Trinity Near Horsehead Mtn. 1737 Comment
  HSC23671  Pinus sabiniana J. O. Sawyer 1970-4-18 2509 Trinity Slopes above New River at its junction with the Trinity River. 244 Comment
  RSA624388  Pinus sabiniana L. C. Wheeler 1952-9-13 6928 Trinity Unspecified. Comment
  SEINET10872493  Piperia elegans var. elata Mary Susan Taylor 1980-7-1 Taylor 3016 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
  UC1225873  Piperia unalascensis Joseph P. Tracy 1947-6-27 17724 Trinity n of Trinity Highway crossing; South Fork Mountain 1524 Comment
  HSC91320  Plagiobothrys hispidulus Jennifer Whipple 1977-7-5 1918 Trinity N of Lower Deadfall and Deadfall Lakes along creek draining the upper Deadfall Lakes 2165 Comment
  HSC59275  Plantago erecta R. York 1979-5-12 266 Trinity Near Blanchard Flats 1.5 mi. from jct. of Deer Lick Springs Rd. and Hwy. 3 305 Comment
  HSC46844  Plantago lanceolata William J. Ferlatte 1976-7-8 1784 Trinity Swift Creek Tr. at S edge of Parker Meadow 1615 Comment
  UCD124580  Plantago lanceolata Joseph M. DiTomaso 1976-7-7 574 Trinity Trinity Alps. Just west of Mumford Meadows on Swift Creek Trail. 1645 Comment
  RSA211283  Plantago major William J. Ferlatte 1966-8-16 383 Trinity Big Flat; Trinity Alps. 1524 Comment
  UCD138955  Platanthera dilatata var. leucostachys Joseph M. DiTomaso 1976-7-12 611 Trinity Trinity Alps. Lower Bear Basin Meadows. 1737 Comment
  RSA66432  Platanthera leucostachys Philip A. Munz 1951-7-17 16606 Trinity Grasshopper Public Camp, 2.5 mi NW of Stuart Gap, North Yolla Bolly Mtns. 1433 Comment
  CHSC75783  Platanthera sparsiflora Vernon H. Oswald; Lowell Ahart 1999-7-5 9830 Trinity Southeast of Callahan and 3.1 mi northeast of Hwy. 3 on Forest Rd. 17 paralleling the Trinity River. 1143 Comment
  RSA120505  Platanthera sparsiflora S. S. Tillett 1956-7-9 648 Trinity E side of Scott Mtn; Siskiyou Trinity County line; 8 miles SE of Callahan. 1951 Comment
  SEINET4890920  Platanus acerifolia Unknown 1971-10-30 s.n. Trinity Coffee Creek Comment
  HSC67535  Platystemon californicus J. P. Smith 1973-5-6 6584 Trinity Blanchert Flats near Douglas City Comment
  HSC40366  Plectritis ciliosa Linda M. Barker, Raul Tuazon 1976-5-1 1428 Trinity Hwy. 3, 2 mi. S of Hwy. 299 on Hayfork Mtn. 671 Comment
  RSA298964  Plectritis congesta subsp. brachystemon W. L. Jepson 1934-5-5 16654 Trinity Forest Glen, South Fork Trinity River. Comment
  HSC40786  Plectritis macrocera Thomas W. Nelson, James Nelson 1976-6-22 2794 Trinity Below Senteney Rock. 1463 Comment
  JEPS106473  Poa J. K. Nelson with Susan Erwin and Jeff Paulo 2004-7-8 2004 -75 Trinity Yolla Bolly Wilderness, headwaters of East Fork South Fork Trinity River, ca. 1 mi SW of North Yolla Bolly Mountains 2100 Comment
  UC2046579  Poa William J. Ferlatte 1974-7-24 1559 Trinity Lake Martin, near north shore Comment
  HSC65260  Poa annua J. P. Smith 1973-4-21 6280 Trinity Along Coffee Creek Rd. leading to Coffee Creek Ranch. 610 Comment
  HSC65434  Poa annua J. P. Smith 1973-4-21 6304 Trinity Along Coffee Creek Rd. leading to Coffee Creek Ranch. 610 Comment
  HSC59329  Poa bulbosa R. York 1979-4-29 257 Trinity Gray's Falls Campground. 305 Comment
  HSC102668  Poa compressa J. P. Smith 2009-6-1 12626 Trinity At Leersia pond. Comment
  CAS-BOT-BC256045  Poa pratensis David D. Keck 1944-7-10 5481 Trinity Norse Butte, 8.3 mi. W of Forest Glen 1219 Comment
  HSC49265  Poa pratensis J. P. Smith, Thomas W. Nelson, J. O. Sawyer 1978-5-7 9904 Trinity Blue Ridge on FS 34N07Y 1098 Comment
  CAS-BOT-BC243273  Poa secunda subsp. secunda David D. Keck 1944-7-10 5480 Trinity Norse Butte, 8.3 miles W of Forest Glen 1219 Comment
  HSC34411  Poa secunda subsp. secunda J. P. Smith, J. O. Sawyer 1973-7-3 6989 Trinity Hill south and west of South Dubakella Mtn. 1585 Comment
  HSC44166  Poa secunda subsp. secunda Thomas W. Nelson, Jane P. Nelson 1977-6-19 3530 Trinity Above Senteney Rock. 1555 Comment
  HSC49278  Poa secunda subsp. secunda J. P. Smith, J. O. Sawyer, Thomas W. Nelson 1978-5-7 9881 Trinity County Line Rd. along Brown's Creek. 671 Comment
  HSC73448  Poa secunda subsp. secunda Gail Newton 1980-7-9 1133 Trinity Near Shanty Creek. 1113 Comment
  RSA0037168  Poaceae John F. Emmel 1993-7-26 1276 Trinity Northwest Trinity Alps area; along trail northeast of Grizzly Creek, 0.3-0.7 air miles west and 0.1-0.6 air mile south of peak of 6990 ft. Grizzly Butte. 1584 Comment
  RSA0037170  Poaceae John F. Emmel 1993-7-26 1278 Trinity Northwest Trinity Alps area; along trail northeast of Grizzly Creek, 0.3-0.7 air miles west and 0.1-0.6 air mile south of peak of 6990 ft. Grizzly Butte. 1584 Comment
  JEPS121632  Podagrostis thurberiana Deborah Stout, Melissa DeSiervo 2011-9-20 Trinity Deadfall Meadow, west slope Mt. Eddy. Sloping fen, NE aspect; over gabbro. South China Mountain quadrangle. SM1_A Comment
  RSA66481  Polemonium californicum P. A. Munz 1951-7-21 16782 Trinity Fisher Ridge, North Yolla Bolly Mountains 2043 Comment
  CAS-BOT-BC231308  Polemonium pulcherrimum Milo S. Baker 1926-8-8 238 -'26 Trinity Near top of Granite Peak Comment
  UC1532967  Polemonium pulcherrimum subsp. pulcherrimum W. J. Ferlatte 1967-8-6 823 Trinity Thompson Pk Trinity Alps, Thompson Pk 2743 Comment
  UC1299191  Polygala californica Freed W. Hoffman 1949-7-16 3064 Trinity Pine Point Ridge sw Mt. Lassic; North Coast Ranges, Pine Point Ridge Comment
  CHSC30936  Polygala cornuta T. Spira 1979-6-21 307 Trinity 4 mi s of Trinity Center, w on dirt road ca. 1 mi, left at Fire Rd, then 1/2 mi to site. 1051 Comment
  HSC78335  Polygala cornuta John S. Palmer 1974-8-4 245 Trinity Bear Lakes area, along trail to Big Bear Lake 1463 Comment
  CAS-BOT-BC170350  Polygala cornuta var. cornuta Eugene Carter 1974-8-30 878 Trinity Along the North Fork Road near Montgomery Placer Mine. Salmon-Trinity Alps and vicinity. 495 Comment
  RSA460152  Polygala cornuta var. cornuta J. O. Sawyer, Kevin Sawyer, James P. Smith 1974-6-29 2676 Trinity Forest Service Road 36N25 from Trinity Center to the Swift Creek trailhead 1220 Comment
  RSA211256  Polygonum bistortoides William J. Ferlatte 1967-8-23 1089 Trinity Ward Lake 2134 Comment
  UC672968  Polygonum davisiae Joseph P. Tracy 1915-8-8 14715 Trinity above White's Creek Lake (head of North Fork of White's Creek); Devil's Canyon Mts. 2133 Comment
  UC672960  Polygonum douglasii subsp. douglasii Joseph P. Tracy 1935-8-3 14482 Trinity Mary Blaine Mt. 1950 Comment
  CAS-BOT-BC95030  Polygonum douglasii subsp. spergulariiforme R. C. Wenk 2005-7-18 282 Trinity Scott Mtns., border btwn. Trinity & Siskiyou Counties, along Pacific Crest Trail, 1 mi. E of Hwy. 3 1750 Comment
  POM161060  Polygonum hydropiper Joseph P. Tracy 1926-9-6 7791 Trinity Sharber Slough on Trinity River 3 miles E of the S Fork. 183 Comment
  UC1198079  Polygonum persicaria Joseph P. Tracy 1926-9-6 7788 Trinity Scharber Slough 182 Comment
  CAS-BOT-BC419916  Polygonum polygaloides subsp. kelloggii F. Almeda 1993-7-29 7322 Trinity About 15 miles W of Coffee Creek and about 1 mile N of Mt. Meadow Ranch off of Coffee Creek Rd. 1554 Comment
  CAS-BOT-BC421099  Polygonum spergulariiforme John Thomas Howell 1955-7-16 30667 Trinity 1.5 miles north of Douglas City 579 Comment
  CAS-BOT-BC421106  Polygonum spergulariiforme Peter H. Raven; R. Snow 1958-7-19 13607 Trinity Hobo Gulch Public Camp, 14.3 miles north of Helena Comment
  HSC54183  Polygonum spergulariiforme G. L. Clifton, Butler 1979-7-18 8452 Trinity Near Jones Ridge, close to the town of Mad River 1448 Comment
  HSC54369  Polygonum spergulariiforme G. L. Clifton 1979-7-16 7900 Trinity Near S Fork Mtn., close to the town of Mad River 1720 Comment
  SBBG1710  Polygonum spergulariiforme H. and M. Dearing 1939-6-28 3646 Trinity Forest Glen Comment
  UCD100682  Polygonum spergulariiforme Dean W. Taylor; Kathleen A. Teare 1979-9-13 7709 Trinity Smoky Creek headwaters, ca. 8 miles SE of Forest Glen. 1158 Comment
  HSC70618  Polygonum spergulariiforme J. M. DiTomaso 1979-9-17 1525 Trinity Trinity Alps Wilderness Area, 3/4 mi. above Mumford Meadows on Swift Creek trail Comment
  HSC71200  Polygonum spergulariiforme Thomas W. Nelson, Jane P. Nelson 1978-8-12 4551 Trinity Along S.R. 3, 2.5 mi. E of junction with S.R. 299 Comment
  CAS-BOT-BC76872  Polypodium glycyrrhiza G. R. Kleeberger 1879-7-1 s.n. Trinity West Weaver Canyon Comment
  UC1132890  Polypogon interruptus H. S. Yates 1936-6-23 5845 Trinity 4 mi e Salyer; China Flat Quad. Comment
  HSC70451  Polystichum imbricans J. P. Smith 1977-5-8 9076 Trinity Blue Point on Blue Point Ridge 1585 Comment
  HSC71699  Polystichum imbricans Gail Newton 1980-6-26 612 Trinity Near Underwood Creek. 451 Comment
  HSC73809  Polystichum imbricans M. Baker 1980-6-25 2268 Trinity Near Castle Rock 1436 Comment
  HSC36401  Polystichum imbricans subsp. imbricans J. P. Smith, J. O. Sawyer 1973-7-4 7032 Trinity W slopes of S Dubakella Mtn. on Rd. 80 to Mud Springs 1555 Comment
  HSC78847  Polystichum imbricans subsp. imbricans John Palmer 1973-9-7 214 Trinity Bear Lakes Area, along trail to Big Bear Lake 1220 Comment
  CAS-BOT-BC76744  Polystichum imbricans subsp. imbricans L. B. Kildale 1930-9-14 10380 Trinity Trinity River at Big Frank Creek Comment
  RSA49972  Polystichum imbricans subsp. imbricans E. K. Balls 1949-6-30 13678 Trinity .5 mile above Ripstein Camp, Canyon Creek 793 Comment
  UCD103018  Polystichum lemmonii Daniel Sanchez-Mata; S. Rivas-Martinez, A. Penas and Sara del Rio 2011-7-18 s.n. Trinity Weed. Stewart Springs Road-Parks Road. Mount Eddy Trail to Mount Eddy summit on the way to Lower Deadfall Lake. 2160 Comment
  HSC75521  Polystichum lemmonii J. O. Sawyer 1980-8-9 4009 Trinity Along trail to Luella Lake 2104 Comment
  HSC54090  Polystichum munitum Walter Overton 1979-7-17 8159 Trinity Near S Fork Mtn., close to the town of Mad River. 1390 Comment
  HSC54100  Polystichum munitum Gilbert Muth 1979-7-17 8204 Trinity Near Cedar Gap, close to the town of Mad River 1372 Comment
  UCD23624  Polystichum munitum Rodney Gale Myatt 1971-9-21 1134 Trinity Burnt Ranch. Along side Hwy 299, about 20 mi. east of the town of Willow Creek. 426 Comment
  CAS-BOT-BC72494  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
  SJSU907  Populus trichocarpa A. W. Jacobs 1946-5-15 Trinity near Weaverville Comment
  UC1103515  Potamogeton foliosus Joseph P. Tracy 1923-6-30 6471 Trinity Hay Fork Valley; Northern Coast Ranges 792 Comment
  HSC81893  Potamogeton nodosus T'ai Roulston 1986-9-27 Trinity Ruth Reservoir, near marina on NE shore Comment
  UC130688 Image available Potentilla breweri H. M. Hall 1909-7-1 8698 Trinity North Fork Swift Creek Salmon Mountains; Swift Creek, Trinity Co. 1981 Comment
  UC2046522  Potentilla breweri William J. Ferlatte 1976-7-9 1810 Trinity head of Union Creek at junction with Landers Creek Trail Comment
  CDA26076  Potentilla diversifolia G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-2 2761 Trinity South edge of Scott Mountain Summit campground, Scott Mountains, Trinity National Forest; summit of Highway 3 between Callahan (Siskiyou County) and Trinity Center. Comment
  CAS-BOT-BC141670  Potentilla flabellifolia Joseph P. Tracy 1935-8-5 14541 Trinity Head of White's Creek, Devil's Canyon Mts. 2072 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
  RSA211493  Potentilla fruticosa William J. Ferlatte 1966-8-4 313 Trinity Dorleska Mine, Trinity Alps. 1982 Comment
  RSA42009  Potentilla gracilis var. fastigiata H. C. Cantelow 1936-8-24 1709 Trinity 6.5 miles N of Carrville Comment
  CAS-BOT-BC516406  Prosartes hookeri Annie M. Alexander; Louise Kellogg 1948-8-22 5535 A Trinity Morris Meadow, Stuart Fork of Trinity River, Trinity Mountains 1280 Comment
  HSC36015  Prunella vulgaris J. P. Smith, J. O. Sawyer 1973-7-27 7201 Trinity Trail to Deadfall Lakes 1951 Comment
  HSC56798  Prunella vulgaris subsp. lanceolata Gilbert Muth 1979-7-18 8559 Trinity Near Armstrong Creek, close to the town of Mad River 914 Comment
  CAS-BOT-BC163069  Prunus emarginata Annie M. Alexander; Louise Kellogg 1949-6-30 5738 Trinity Saddle between North Yolla Bolly and Black Rock Mountains, Yolla Bolly Middle Eel Primitive Area 2103 Comment
  CAS-BOT-BC163070  Prunus emarginata L. B. Kildale 1930-8-26 10506 Trinity South Fork Mountain Comment
  CAS-BOT-BC154684  Prunus subcordata Eugene Carter 1974-5-7 717 Trinity Salmon-Trinity Alps and vicinity. Below the East Fork Road, on abandoned mining ground north of Store Gulch 487 Comment
  HSC59874  Prunus virginiana var. demissa J. P. Smith, J. O. Sawyer 1975-6-1 8199 Trinity 1/2 mi. NW of Wildwood 915 Comment
  HSC30222  Prunus virginiana var. demissa William J. Ferlatte 1972-8-8 1433 Trinity Boulder Creek Basin 1646 Comment
  CAS-BOT-BC229156  Pseudognaphalium macounii Eugene Carter 1974-7-15 864 Trinity Salmon-Trinity Alps and vicinity. Along the North Fork Road at MP 3 493 Comment
  HSC5692  Pseudognaphalium thermale H. E. Parks, J. P. Tracy 1941-8-27 11531 Trinity McKay Camp; South Fork Creek 1707 Comment
  HSC82299  Pseudostellaria jamesiana Thomas W. Nelson, Jane P. Nelson 1979-6-15 4816 Trinity Trinity-Siskiyou County line, head of Scott Mtn. Creek at Scott Mtn. Campground. 1646 Comment
  HSC91394  Pseudostellaria jamesiana Jennifer Whipple 1976-6-22 1072 Trinity Mount Eddy, near Lower Deadfall Lake 2165 Comment
  RSA1453  Pseudotsuga menziesii E. R. Johnson 1930-10-12 1599 Trinity Canyon Creek Meadows. 1524 Comment
  RSA46461  Pseudotsuga menziesii Doris K. Kildale 1926-9-11 2702 Trinity Helena on Trinity River. Comment
  HSC54163  Pteridium aquilinum var. pubescens Gilbert Muth 1979-7-18 8384 Trinity Near Deep Hollow Creek, close to the town of Mad River 1067 Comment
  HSC54349  Pteridium aquilinum var. pubescens G. L. Clifton 1979-7-16 7853 Trinity Near S Fork Mtn., close to the town of Mad River 1646 Comment
  HSC54415  Pteridium aquilinum var. pubescens G. L. Clifton 1979-7-19 8613 Trinity Near Mad River, close to the town of Mad River. 817 Comment
  UC1197762  Pterospora andromedea Joseph P. Tracy 1941-8-27 17035 Trinity 1 mi s McKay Camp; Northern Coast Ranges, South Fork Mountain 1676 Comment
  CAS-BOT-BC460561  Pterospora andromedea Mrs. E. C. Van Dyke 1931-6-30 s.n. Trinity Carville Comment
  HSC349  Pterospora andromedea William J. Ferlatte 1967-8-12 930 Trinity Grizzly Creek, about 1 mi. E of jct. with China Spring Trail, densely wooded canyon 1524 Comment
  RSA78417  Pteryxia terebinthina var. californica P. A. Munz 1952-6-29 17843 Trinity Grizzly Creek, branch of North Fork of Trinity River, North of Helena. 1037 Comment
  UC1608319  Puccinellia nuttalliana J. Kierstead 1990-8-29 90 -141 Trinity 1 mi sw Wildcat Peak (on margin of mineral spring adjacent to creek); Weaverville Ranger District, Watson Creek 853 Comment
  CAS-BOT-BC147774  Purshia tridentata var. tridentata W. R. Dudley 1901-8-26 s.n. Trinity Road south of Willow Creek Summit West of Gazelle Comment
  UC1239669  Pycnanthemum californicum Arthur E. Connick 1926-6-27 Trinity at crossing of Bridgeville-to-Hayfork Road South Fork Trinity River (Auto Rest) Comment
  HSC54161  Pyrola aphylla Gilbert Muth 1979-7-18 8380 Trinity Near Deep Hollow Creek, close to the town of Mad River 1067 Comment
  CAS-BOT-BC460876  Pyrola aphylla H. C. Cantelow 1942-6-25 s.n. Trinity Near Lost Bridge, Van Duzen River on road to Zenia Comment
  RSA0082803  Pyrola aphylla H. M. Pollard 1953-8-22 s.n. Trinity Scenic Trail above Trinity Alps Resort. 1372 Comment
  HSC38702  Pyrola dentata J. P. Smith, J. O. Sawyer 1975-6-23 8270 Trinity Across from entrance to Philpot Campground, on the Peanut to Forest Glenn Rd. 884 Comment
  CAS-BOT-BC462912  Pyrola dentata P. A. Munz 1951-7-17 16556 Trinity North Yolla Bolly Mts. Grasshopper Public Camp, 2.5 mi. NW of Stuart Gap 1371 Comment
  CHSC30776  Pyrola picta M. S. Taylor 1980-6-30 3010 Trinity 4 mi s of Trinity Center, 1.5 mi e of Hwy 3. 1051 Comment
  HSC54143  Pyrola picta Gilbert Muth 1979-7-18 8335 Trinity Near Deep Hollow Creek, close to the town of Mad River 1006 Comment
  RSA0083249  Pyrola picta P. A. Munz 1951-7-17 16567 Trinity Grasshopper Public Camp, 2.5 mi NW of Stuart Gap, North Yolla Bolly Mtns. 1372 Comment
  SEINET10449178  Pyrola picta Mary Susan Taylor 1980-6-30 Taylor 3010 Trinity T36N R8W sw sec 27, Trinity Dam quad; Shasta-Trinity Natl Forest; ca. 4 mi S of Trinity Center on Hwy 3, W on dirt rd for 1 mi, left at Fire Rd, 0.5 mi to Y in rd, take right turn at Y, follow ridge to second Y. 1052 Comment
  SEINET10973483  Pyrola picta Mary Susan Taylor 1980-7-15 Taylor 3138 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
  CAS-BOT-BC123571  Pyrrocoma racemosa var. pinetorum John Thomas Howell 1936-8-24 12752 Trinity Summit of Scott Mts. N of Carrville. Comment
  CAS-BOT-BC45749  Quercus L. B. Kildale 1930-10-19 10273 Trinity Trinity River at Betty May Mine Comment
  HSC59574  Quercus douglasii Rick Lundquist 1979-5-12 76 Trinity 0.5 mi. E on the N fork of Deerlick Springs Rd., in Blanchard Flats near Douglas City 610 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
  UC5601  Quercus garryana W. H. Brewer Sep 26 1862-Sep 28 1862 1451 Trinity Trinity Mountains Comment
  UCD39974  Quercus garryana Rodney Gale Myatt 1971-9-21 1121 Trinity Burnt Ranch. Along side Hwy 299, about 20 mi. east of the town of Willow Creek. 426 Comment
  UC1135618  Quercus garryana var. breweri L. B. Burkett 1932-9-30 60 Trinity Waldorf Crossing Trinity Forest, Big Bar Quad. 1524 Comment
  CDA11065  Quercus garryana var. garryana G. F. Hrusa, R. Gross, D. Ragan, A. Buckman 1993-10-24 11455 Trinity Klamath Ranges; Canyon immediately E of Rackerby Ridge, terminates into Trinity Lake. Comment
  HSC54191  Quercus kelloggii G. L. Clifton, Butler 1979-7-18 8482 Trinity Near Jones Ridge, close to the town of Mad River 1448 Comment
  HSC60296  Quercus kelloggii Phyllis Krieg 1979-5-13 Trinity Hayfork city limits Comment
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Apr 4 2014
  UC1135780  Quercus sadleriana B. E. Parsons 1932-8-30 Trinity 2 mi w Trinity Summit on Trail to Hoopa; Trinity Forest, Sawyer's Bar Quad. 1524 Comment
  HSC67387  Quercus vacciniifolia Thomas W. Nelson 1980-5-30 5361 Trinity Along Rd. 60 (Underwood Mtn. Rd.), 10 mi. S from junction with Hwy. 299 1341 Comment
  HSC78425  Quercus vacciniifolia John S. Palmer 1973-6-19 55 Trinity Bear Lakes Area, along trail to Big Bear Lake 1524 Comment
  HSC91299  Quercus vacciniifolia Jennifer Whipple 1976-6-29 1156 Trinity Mt. Eddy, S facing slopes N of Deadfall Lake in the Deadfall drainage 2195 Comment
  JEPS123094  Quercus vacciniifolia D. Burge and J. Nelson with Jepson Herbarium workshop participants 2015-6-27 JHWS- 074 Trinity Scorpion Lake. Comment
  OBI33236  Quercus vacciniifolia David J. Keil 1983-7-3 17371 Trinity 1.5 mi S of Scott Mtn Pass along SR 3 1524 Comment
  UCD47405  Quercus vacciniifolia Joseph M. DiTomaso 1975-8-10 322 Trinity 1 mile below Sawtooth Ridge on Stuarts Fork side, R. 10W, T. 36N, Sec. 2. 2133 Comment
  CAS-BOT-BC328131  Raillardella pringlei M. Joseph Di Tomaso 1976-7-15 640 Trinity 20 feet east of Swit Creek at junction of Swift Creek and Granite Creek, Trinity Alps 1295 Comment
  UC118191  Ranunculus alismifolius J. W. Blankinship 1893-6-24 Trinity Hetten Chow Valley Comment
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Mar 22 2013
  JEPS81056  Ranunculus arvensis Thomas W. Nelson and Jane P. Nelson 1979-5-19 4681 Trinity ca 1/2 mi s Hayfork (along State Route 3); Hayfork Quad. 701 Comment
  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
  UCR124018  Ranunculus californicus George K. Helmkamp, E. A. Helmkamp 2001-7-8 6958 Trinity North Coast Range; Trinity Mountains, Calif. Hwy 36, 7 mi west of Wildwood at Telephone Ridge 1280 Comment
  HSC34178  Ranunculus californicus var. californicus J. P. Smith, J. O. Sawyer 1973-7-4 7081 Trinity Trail 11W26 from Rd. 80 between Dubakella and S Dubakella Mtn. 1524 Comment
  SEINET7042860  Ranunculus canus A. G. Vestal 1955-5-13 s.n. Trinity Ca. 2.5 miles northwest of Burnt Ranch. Trinity National Forest, Trinity River Valley. Ironside MTN quadrangle UTM Zone 10, 459297mE, 4521429mN. Comment
  UCR45828  Ranunculus occidentalis N. Meiselman, M. Bransom, D. Brown, R. Hildebrant 1986-4-19 32 Trinity North Coast Range, Route 299, Burnt Ranch Campground, 1.5 mi. west of Burnt Ranch 412 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
  RSA66461  Ranunculus orthorhynchus P. A. Munz 1951-7-21 16799 Trinity N Yolla Bolly Peak. 2287 Comment
  HSC34202  Ranunculus orthorhynchus var. orthorhynchus J. P. Smith, J. O. Sawyer 1973-7-4 7115 Trinity Trail 11W26 from Rd. 80 between Dubakella and S Dubakella Mtn. 1524 Comment
  HSC55463  Ranunculus uncinatus Walter Overton 1979-7-17 8143 Trinity Near Horse Ridge, close to the town of Mad River 1356 Comment
  UCR124013  Rhamnus californica George K. Helmkamp, E. A. Helmkamp 2001-7-8 6940 Trinity Trinity Mountains, Calif. Hwy 36, 2.2 mi west of the Trinity/Shasta Co. line 1159 Comment
  CHSC69022  Rhamnus tomentella subsp. crassifolia Vernon Oswald; Lowell Ahart 1997-7-17 8728 Trinity Forest Road 29 (Bramlot Rd.) 2.9 mi south of Hwy. 36. 1158 Comment
  CAS-BOT-BC56590  Rhododendron macrophyllum C. A. Chamberlain 1913-6-30 16191 Trinity Trinity National Forest 640 Comment
  UC60924  Rhododendron macrophyllum unknown Trinity Trinity Summit Comment
  CDA15585  Rhododendron neoglandulosum G. F. Hrusa, T. D. Wilfred 1993-7-24 11368 Trinity Trinity Mountains; Head of Scorpion Creek. Large colony around pool at headwaters. Bonanza King Ridge, at summit of major ridge to N of Bonanza King Lookout. Shrub to 3 ft., flwrs white. 1584 Comment
  UC186011  Rhododendron occidentale Harry S. Yates 1914-6-2 387 Trinity Browns Creek 762 Comment
  SEINET3928291  Rhododendron occidentale var. occidentale Anthony Baniaga 2011-7-8 433 Trinity Shasta-Trinity National Forest. Along Highway 3, ca. 1.5 miles from 39N04 quadrangle.; 0 1547 Comment
  JEPS66266  Rhus trilobata Joseph P. Tracy 1926-5-31 7525 Trinity near Cedar Flat (on Trinity River); Northern Coast Ranges, Trinity River 304 Comment
  CAS-BOT-BC441155  Ribes L. B. Kildale 1930-9-14 10386 Trinity Trinity River at Big French Creek Comment
  SEINET10970391  Ribes Mary Susan Taylor 1975-4-12 Taylor 460 Trinity 3 mi W of Junction City along roadside of Hwy 299. 610 Comment
  UC154142  Ribes binominatum Joseph Burtt Davy and Walter C. Blasdale 1899-5 5756 Trinity Trinity Summit North Coast Ranges Comment
  UC909338  Ribes binominatum Ira L. Wiggins 1950-5-29 12400 Trinity along Coffee Creek between Dady Gulch and Adams Creek; Coffee Creek 1371 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
  CAS-BOT-BC168891  Ribes lobbii Elizabeth McClintock 1956-6-15 s.n. Trinity Along East Fork of Coffee Creek, on trail to Stoddard Lake Comment
  CAS-BOT-BC168895  Ribes lobbii Carl B. Wolf 1937-8-12 9161 Trinity North Coast Range, South Fork Mt., 8 3/10 mi. So. of Cold Spring Lookout 1371 Comment
  HSC28798  Ribes lobbii J. P. Smith 1973-4-21 6327 Trinity Along Coffee Creek Rd. leading to Coffee Creek Ranch. 610 Comment
  HSC502  Ribes lobbii William J. Ferlatte 1967-6-27 526 Trinity Big Flat 1524 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
  HSC46795  Ribes lobbii William J. Ferlatte 1974-7-24 1568 Trinity N end of Big Flat at head of Coffee Creek 1524 Comment
  CAS-BOT-BC6073  Ribes marshallii C. C. Marshall 1886-7-1 30 Trinity Summit of Trinity Mountains Comment
  JEPS87802  Ribes montigenum Vernon H. Oswald and Lowell Ahart 1994-8-1 6437 Trinity ca. 3 mi (air) wnw Mt. Eddy (s side of Forest Rd.17, Deadfall Meadow along Deadfall Creek); Deadfall Meadow, Deadfall Creek 1950 Comment
  CAS-BOT-BC217887  Ribes nevadense John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-20 53506 Trinity One-eyed Flat, about 1.7 miles N of Carrville, Trinity River Canyon 755 Comment
  CHSC3463  Ribes roezlii Roger Jaegel 1966-3-26 55 Trinity Located on a dry south slope three miles west of Hyampom. Comment
  JEPS123135  Ribes roezlii D. Burge and J. Nelson with Jepson Herbarium workshop participants 2015-6-27 JHWS- 110 Trinity Scorpion Lake Comment
  RSA0018043  Ribes roezlii R. M. Sullivan 1975-5-18 102 Trinity Southeast of confluence of Panwauket Gulch and Reading Creek. (Mt Diablo Meridian) 610 Comment
  CAS-BOT-BC198876  Ribes roezlii var. amictum Lower Trinity School 1924-4-24 s.n. Trinity Salyer Comment
  HSC100023  Ribes roezlii var. cruentum J. P. Smith, , J. O. Sawyer, & R. J. Cole 2010-6-13 12934 Trinity Shasta - Trinity National Forest. Along Road A16. 1647 Comment
  HSC65931  Ribes roezlii var. cruentum Cathie Goldberg, Lynn Kunstman, Lauren Philbrick, Geoff Walsh 1980-5-3 64 Trinity Philpot Creek Campground 808 Comment
  CHSC71039  Ribes roezlii var. roezlii Vernon H. Oswald; Lowell Ahart 1998-5-14 9053 Trinity Wildwood Rd. 0.8 mi north of Hwy. 36 west of Platina. 1158 Comment
  CHSC3491  Ribes sanguineum Roger Jaegel 1966-4-24 143 Trinity Located six miles north west of Hayfork. Comment
  CHSC40949  Ribes velutinum var. glanduliferum J. D. Jokerst 1984-6-27 2072 Trinity South of the East Fork Stuart Fork, NW of USFS road 35N23Y ca 200 meters. 1219 Comment
  HSC55419  Ribes viscosissimum G. L. Clifton 1979-7-16 7833 Trinity Near Pickett Peak, close to the town of Mad River 1695 Comment
  UC902088 Image available Ribes viscosissimum Joseph P. Tracy 1942-7-2 17380 Trinity near Cold Springs; South Fork Mountain 1706 Comment
  JEPS120199  Rigiopappus leptocladus Julie Kierstead Nelson with Christy Wagner 2011-6-21 2011 -16 Trinity Bramlet Road (Forest Rd. 30N29) 100m north of Rattlesnake Creek crossing, ca. 1.5 miles south of Highway 36W; 11 miles south of Hayfork Comment
  HSC32609  Romanzoffia californica Linda M. Barker 1974-4-21 170 Trinity Hwy. 299, 6 mi. W of Weaverville 762 Comment
  RSA211448  Rorippa curvisiliqua William J. Ferlatte 1966-8-6 365 Trinity Big Flat. The Trinity Alps. 1524 Comment
  UCD115278  Rorippa curvisiliqua Joseph M. DiTomaso 1976-7-15 637 Trinity Trinity Alps, just east of Granite Lake next to trail. 1828 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
  CAS-BOT-BC146780  Rosa gymnocarpa W. A. Dayton 1913-4-1 349 Trinity Shasta National Forest, near roadside from Trinity Center to Conway's Ranch (Swift Creek trail route) 731 Comment
  CAS-BOT-BC147088  Rosa pisocarpa John Thomas Howell 1939-7-31 14857 Trinity Summit of Scott Mts. n. of Carrville Comment
  CAS-BOT-BC147087  Rosa pisocarpa Mrs. H. C. Cantelow 1936-8-26 1707 Trinity Edge of Trinity River Comment
  HSC27032  Rosa woodsii subsp. ultramontana J. P. Smith, J. O. Sawyer 1972-9-12 5760 Trinity Hwy. 3 at Dan Rice Creek 1372 Comment
  CAS-BOT-BC148268  Rosa woodsii var. ultramontana Eugene Carter 1974-6-6 800 Trinity Salmon-Trinity Alps and vincinity, along river south of Store Gulch 483 Comment
  CAS-BOT-BC147951  Rubus leucodermis John Thomas Howell 1937-7-27 13585 Trinity Coffee Creek Canyon near Union Creek Comment
  HSC39015  Rubus leucodermis J. P. Smith, J. O. Sawyer 1975-6-22 8221 Trinity Granite Canyon Creek. 701 Comment
  UC30046 Image available Rubus leucodermis W. C. Blasdale 1896-6-13 Trinity Douglas City; ; Douglas City, Trinity Co. Comment
  HSC78839  Rubus parviflorus John S. Palmer 1973-9-7 205 Trinity Bear Lakes Area, along trail to Big Bear Lake. 1677 Comment
  UCD17851  Rubus ursinus H. Olmo 8-10 May 1962 62 47 Trinity California. Trinity County: at highway marker B-2-53+00 near Hayfork. Comment
  JEPS25585  Rudbeckia klamathensis Rimo Bacigalupi 1959-7-2 7216 Trinity 4.4 mi n bridge across lower end of Eagle Creek (at base of mountain just to the w of the Trinity Canyon road); Canyon of the Trinity River 914 Comment
  JEPS82133  Rudbeckia klamathensis Rimo Bacigalupi 1959-7-2 7216 Trinity 4.4 mi n bridge across lower end of Eagle Creek (at base of mountain just to the w of the Trinity Canyon road); Canyon of the Trinity River 914 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-BC434088  Rumex transitorius John Thomas Howell 1937-7-30 13695 Trinity Dan Rice Creek, Scott Mts. Comment
  HSC34170  Rumex triangulivalvis J. P. Smith, J. O. Sawyer 1973-7-4 7120 Trinity Trail 11W26 from Rd. 80 between Dubakella and S Dubakella Mtn. 1524 Comment
  UC1608342  Salix exigua var. hindsiana J. Kierstead June 1990 90 -81 Trinity w end Weaverville (along Hwy. 299); Weaverville Ranger Dist. 560 Comment
  HSC41969  Salix gooddingii Ed Cope 1977-5-21 95 Trinity Eagle Creek Campground 851 Comment
  HSC49969  Salix lasiandra M. A. Baker 1979-5-13 712 Trinity Hobo Gulch Campground Comment
  HSC75633  Salix lasiandra J. O. Sawyer, R. J. Cole 1981-6-14 4139 Trinity Upper Bowerman Meadows on trail to Lake Anna Comment
  CAS-BOT-BC129530  Salix lasiandra var. lasiandra Doris K. Kildale 1926-9-9 2691 Trinity Black Oaks near Low Gap of Mad River Comment
  HSC20077  Salix scouleriana J. P. Tracy 1933-7-15 12745 Trinity S Fork Mtn. 1646 Comment
  UC519355  Salix scouleriana Joseph P. Tracy 1933-7-15 12744 Trinity S.Fork Mt.; Northern Coast Ranges, S.Fork Mt. 1645 Comment
  CAS-BOT-BC236488  Sambucus racemosa subsp. racemosa Mrs. H. C. Cantelow 1935-6-10 853 Trinity Trinity Alps Resort Comment
  CAS-BOT-BC236487  Sambucus racemosa subsp. racemosa E. V. Jotter 1913-7-7 s.n. Trinity Trinity Summit 1828 Comment
  UC1197111  Sanicula bipinnatifida Stuart K. Harris 1942-6-24 7136 Trinity New River Canyon 365 Comment
  HSC35136  Sanicula bipinnatifida A. Montalvo 1975-5-17 258 Trinity Mt. Diablo Meridian. Just N of the confluence of Ditch Gulch and Salt Creek on Hwy. 3 near Peanut 770 Comment
  HSC72594  Sanicula crassicaulis Gail Newton 1980-7-1 757 Trinity Near Hayden Roughs. 1250 Comment
  HSC91156  Sanicula graveolens Jennifer Whipple 1976-7-12 1415 Trinity Mt. Eddy, S facing slopes N of Deadfall Lake in the Deadfall drainage. 2195 Comment
  JEPS77438  Sanicula graveolens William J. Ferlatte 1975-8-25 1742 Trinity about 9 mi sw of Trinity Center (Trinity Alps, Bowerman Meadows); Trinity Alps, Bowerman Meadows 1860 Comment
  UC1197093  Sanicula graveolens Joseph P. Tracy 1923-6-30 6451 Trinity Northern Coast Ranges, Hay Fork Mountain, near summit on Weaverville Road Hay Fork Mountain Hay Fork Mountain; Northern Coast Ranges, Hay Fork Mountain 1097 Comment
  HSC65486  Sanicula tracyi M. A. Baker 1980-5-25 1590 Trinity Near Browns Canyon. 823 Comment
  HSC65831  Sanicula tracyi M. A. Baker 1980-5-25 1621 Trinity Near Browns Canyon. 823 Comment
  HSC68639  Sanicula tracyi Jacqueline Greenleaf 1980-5-22 80 Trinity Near Double Gate Ridge. 1067 Comment
  HSC82024  Sanicula tracyi Thomas W. Nelson, Jane P. Nelson 1980-5-25 5302 Trinity Along trail from Blue Jay Mine-Little Red Mtn. Creek 1189 Comment
  HSC67312  Sanicula tuberosa Thomas W. Nelson, Jane P. Nelson 1980-5-7 5196 Trinity Shasta-Trinity National Forest, along FS Rd. 29N58, Rattlesnake Ridge, at junction with FS Rd. 30N29 1341 Comment
  SEINET3240198  Santalaceae R. L. Mathiasen 2003-1 2003 -53 Trinity 3.5 km SE of Blake Mountain on for. rd. 02N01 1650 Comment
  CDA10819  Sarcodes sanguinea G. F. Hrusa 1993-7-24 11393 Trinity Trinity Mountains; Extreme N end of ridge to N of Bonanza King Lookout and 1 mi. N of pool at headwaters of Scorpion Creek. 1524 Comment
  RSA298360  Saxifraga californica J. O. Sawyer, R. J. Cole 1978-4-20 3111 Trinity Above S.R. 299 at White s Bar. Comment
  SEINET515905  Saxifraga mertensiana Vernon Oswald 1998-4-16 8909 Trinity Hwy 299 0.6 mi. W of Hawkings Bar, 3.7 mi. E of Salyer. 189 Comment
  JEPS26210  Saxifraga odontoloma Joseph P. Tracy 1935-8-6 14681 Trinity around White's Creek Lake (head of North Fork of White's Creek); Devil's Canyon Mountains, North Fork of White's Creek 1889 Comment
  SEINET10533914  Schoenolirion album M. S. Mayer, S. Meredith; D. Bjornbak 1985-6-1 Mayer 105 Trinity T38n,r7w,sec.16 se 1/4. Eagle creek campground, moist fringe of meadow 853 Comment
  RSA41889  Schoenoplectus tabernaemontani J. T. Howell 1936-8-23 12856 Trinity Below Scott Ranch, Trinity River Comment
  CAS-BOT-BC111126  Scirpus microcarpus Mrs. H. C. Cantelow 1936-8-26 1614 Trinity Near Tangle Blue Creek. Comment
  UCD141265  Scirpus microcarpus G. F. Hrusa 1992-5-30 10448 Trinity Scorpion Creek. Adjacent to road to Bonanza King Lookout, approximately 1/2 m. E of Hwy. Comment
  JEPS13892  Scutellaria antirrhinoides Rimo Bacigalupi with L. R. Heckard, R. D. Sanderson, and G. Bacigalupi 1952-6-17 3737 Trinity along Trinity River, just above its confluende with Ramshorn Creek Trinity River 838 Comment
  UC130601  Scutellaria antirrhinoides H. M. Hall July, 1909 8556 Trinity at mouth of Union Creek (Coffee Creek, Nash Mine); Salmon Mountains, Coffee Creek, Nash Mine 1249 Comment
  UC1549248  Scutellaria antirrhinoides Richard Olmstead 1983-7-7 429 Trinity along the Van Duzen River (along F.S. Rd 1S07, about 200 yards above its junction with F.S. Rd 511) 923 Comment
  UCD158855  Scutellaria antirrhinoides G. Ledyard Stebbins 1973-6-30 s.n. Trinity West side of Dubakella Mountain. (Exact location unknown. Coordinates estimated by label maker.) 1630 Comment
  HSC353  Scutellaria antirrhinoides William J. Ferlatte 1967-8-17 959 Trinity Flat bench on ridge W of head of Bullards Basin 2043 Comment
  RSA272558  Scutellaria antirrhinoides Porter P. Lowry, II 1977-7-7 881 Trinity 9 mi. S.E. of Callahan on State Hwy. 3. Comment
  SD147972  Scutellaria antirrhinoides Richard Olmstead 1986-6-19 886 Trinity Van Duzen River valley along F. S. Road 1S07, ca. 200 yards above its junction with F. S. Road 511, 9.5 miles south of junction F. S. Road 511 and Highway 34. 922 Comment
  CHSC69010  Scutellaria californica Vernon Oswald; Lowell Ahart 1997-7-17 8725 Trinity Forest Road 29 (Bramlot Rd.) 2.9 mi south of Hwy. 36. 1158 Comment
  HSC54394  Scutellaria californica Gilbert Muth 1979-7-18 8526 Trinity Near Armstrong Creek, close to the town of Mad River 914 Comment
  HSC54427  Scutellaria californica Walter Overton 1979-7-18 8717 Trinity Near Horse Ridge, close to the town of Mad River. 1036 Comment
  RSA639987  Scutellaria californica Richard Olmstead 1986-6-19 888 Trinity 7.1 mi S of hwy 34 on F.S. rd 511, Six Rivers N.F., at bridge over Van Duzen Rivr; growing along small dry tributary stream joinig the river from the east just upstream from the hwy bridge. 829 Comment
  CHSC80218  Scutellaria siphocampyloides L. P. Janeway 1996-6-13 5019 Trinity Klamath Mountains. Along Hay Gulch, about 1.1 mi east of Trinity Lake (Clair-Engle Lake); near Road 36N11Y 2.4 mi from the road to Jackass Spring Campground. 780 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
  UC967443  Sedum laxum Reid Moran 1951-6-13 3483 Trinity Salt Creek 944 Comment
  CHSC30221  Sedum laxum subsp. flavidum B. Williams 1980-6-11 Trinity Off of dirt rd to Post Creek, 1.4 mi ne of jct wit ... Field redacted by CHSC, contact the data manager for more information 1005 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
  HSC65959  Sedum laxum subsp. flavidum M. A. Baker 1980-7-13 2873 Trinity Near Red Rock 1585 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
  RSA18616  Sedum laxum subsp. perplexum C. B. Wolf 1937-6-13 8799 Trinity Inner North Coast range, Red Bluff-Eureka road, 3.4 miles west of Wildwood. 945 Comment
  HSC48410  Sedum obtusatum subsp. paradisum M. A. Baker 1978-6-30 596 Trinity Along Canyon Creek just S of Canyon Creek Falls Comment
  HSC48409  Sedum obtusatum subsp. retusum M. A. Baker 1978-6-30 595 Trinity Along Canyon Creek just S of Canyon Creek Falls Comment
  CAS-BOT-BC64633  Sedum oregonense H. M. Pollard 1953-8-20 s.n. Trinity Saddle between Red Mountain and Granite Peak, North of Trinity Alps Resort 2133 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
  UC709458  Sedum radiatum Joseph P. Tracy 1941-8-27 17024 Trinity in fir forest near Cold Springs (South Fork Mountain); , near Cold Springs 1645 Comment
  CHSC33015  Sedum spathulifolium M. A. Baker 1977-4-8 274 Trinity Near Gray's falls. West side of bridge across river (Trinity R.). 304 Comment
  CHSC70977  Sedum spathulifolium Vernon Oswald 1998-4-16 8910 Trinity Hwy 299 0.6 mi west of Hawkins Bar, 3.7 mi east of Salyer. 188 Comment
  HSC65874  Sedum spathulifolium M. A. Baker 1980-7-2 2577 Trinity Near Swim Ridge. 1341 Comment
  HSC59301  Sedum spathulifolium var. spathulifolium J. M. DiTomaso 1979-4-29 920 Trinity Grays Falls Campground, on rocky slope above Trinity River. 305 Comment
  CAS-BOT-BC69761  Selaginella wallacei P. A. Munz 1936-8-11 14352 Trinity Near Forest Glen. 762 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
  CHSC63324  Senecio aronicoides Vernon H. Oswald; Lowell Ahart 1994-6-14 6279 Trinity Forest Rd. 25 W of Castella, at its jct. with Forest Rd. 26 to Mt. Shasta (city), between Horse Heaven Mdw. and Asbestos Gulch. 1603 Comment
  HSC90547  Senecio integerrimus var. exaltatus Jennifer Whipple 1976-6-23 1100 Trinity N of Lower Deadfall and Deadfall Lakes along the creek draining the upper Deadfall Lakes 2165 Comment
  UC481061  Senecio integerrimus var. exaltatus A. W. Anthony 1899-1 Trinity Comment
  HSC31455  Senecio integerrimus var. major D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5573 Trinity Red Lassic. 1799 Comment
  HSC68045  Senecio integerrimus var. major J. P. Smith 1973-5-6 6627 Trinity Blanchert Flats near Douglas City Comment
  HSC77979  Senecio triangularis John S. Palmer 1973-9-7 165 Trinity Bear Lakes Area, S side of Little Bear Lake 1860 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
  RSA67518  Senecio triangularis P. A. Munz 1951-7-20 16730 Trinity Near Black Rock Lake, North Yolla Bolly Mountains. 1982 Comment
  UC1174985  Sericocarpus oregonensis subsp. oregonensis P. C. Everett and E. K. Balls 1959-10-22 23925 Trinity 10 mi n from entrance to Trinity National Forest Trinity National Forest (along road to Trinity Center) 822 Comment
  CAS-BOT-BC240210  Setaria viridis John Thomas Howell 1936-8-25 12794 Trinity Near Trinity Center Comment
  HSC74057  Sidalcea malviflora M. A. Baker 1980-5-25 1597 Trinity Near Browns Canyon 823 Comment
  RSA151814  Sidalcea malviflora subsp. nana H. K. Sharsmith 1959-8-19 4728 Trinity Near Trinity River ca, 1 mile N. of Eagle Creek Junction 854 Comment
  RSA245196  Sidalcea oregana subsp. oregana Thomas W. Nelson 1973-7-14 1094 Trinity At the head of the trail to Deadfall Lake Comment
  RSA211118  Sidalcea oregana subsp. spicata W. J. Ferlatte 1967-8-17 964 Trinity Flat bench on ridge west of the head of Bullards Basin 2043 Comment
  UCD116843  Sidalcea oregana subsp. spicata Joseph M. DiTomaso 1976-7-12 609 Trinity Trinity Alps, Lower Bear Basin Meadows. 1737 Comment
  HSC73460  Silene Grunert 2 Trinity Philpot Campground 808 Comment
  HSC103776  Silene M. R. Mesler, Sydney Carothers 2015-5-25 1641 Trinity 1242 Comment
  HSC35208  Silene Dryden 1975-5-17 190 Trinity W facing valley just N of the confluence of Ditch Gulch and Salt Creek on Hwy. 3 near Peanut 770 Comment
  HSC97675  Silene Russell Howard Jones 2001-4-14 4 Trinity On Hwy. 299 E of Gray's Falls Campground, 1/2 mi. E of section 58 85 Comment
  HSC103733  Silene bolanderi M. R. Mesler, Kjirsen Wayman, Robin Bencie 2011-6-23 854 Trinity Zenia-Kettenpom Rd, north of Hoagin-Zenia school 1006 Comment
  UC1586859  Silene campanulata Juha Pykala and D. H. Norris 1987-6-15 1774 Trinity by Highway 36 about 3 mi w Wildwood; w of Wildwood 1249 Comment
  JEPS88000  Silene campanulata subsp. campanulata Barbara Ertter with Thomas J. Delendick 1987-5-16 6948 Trinity on Hwy 299 ca 23 mi e Berry Summit; e of Berry Summit Comment
  HSC34941  Silene campanulata subsp. glandulosa Robert M. Specht 1975-5-16 178 Trinity Trails above the Trinity River at Grays Falls Campground 310 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
  SEINET10537585  Silene hookeri subsp. bolanderi Mary Susan Taylor 1980-6-17 Taylor 2917 Trinity T29N R11W center sec 26. Dubakella Mt quad. Shasta- Trinity Natl Forest; on N side of Rd 29N36A, ca. 0.5 mi W of its jct with 29N43, ca. 4 mi due S of Wild wood. 1219 Comment
  CAS-BOT-BC181260  Silene hookeri subsp. hookeri Mrs. H. C. Cantelow 1936-5-22 s.n. Trinity North of Trinity Center and Scott Ranch Comment
  HSC56842  Silene laciniata subsp. californica Walter Overton 1979-7-18 8719 Trinity Near Horse Ridge, close to the town of Mad River 1036 Comment
  HSC68742  Silene laciniata subsp. californica Jacqueline Greenleaf 1980-6-21 138 Trinity Near Van Duzen River. 914 Comment
  HSC73771  Silene laciniata subsp. californica Gail Newton 1980-7-10 1220 Trinity Near Senteney Rock 1463 Comment
  CAS-BOT-BC389240  Silene laciniata subsp. californica Volney Rattan 1883-1-1 s.n. Trinity Hyampom Comment
  CAS-BOT-BC389438  Silene lemmonii R. Spellenberg; S. Spellenberg 2006-6-21 13750 Trinity Ca. 6 air km SE of Burnt Ranch and 5 km W of Trinity River, W of Castle Rock 1140 Comment
  HSC26249  Silene lemmonii J. P. Smith, J. O. Sawyer 1972-5-27 5310 Trinity Eagle Creek Campground, along Trinity River. 869 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
  UCD105548  Silene salmonacea Robert E. Preston 2010-6-14 2812 Trinity 1.1 mi SW of Trinity Center, along both sides of Hwy 3. 856 Comment
  UCR37954  Smilacina racemosa P. Williams, Brian Kearney, Mike Malamus 1984-5-12 100 Trinity Philpot [Cold Springs] Campground 979 Comment
  HSC21311  Solanum parishii R. Spellenberg 1964-6-17 444 Trinity Spellenberg property, 2 mi. E of Burnt Ranch Comment
  UC585972  Solanum parishii Joseph P. Tracy 1924-4-27 6657 Trinity at mouth of New River New River 426 Comment
  HSC21336  Solanum physalifolium var. nitidibaccatum M. T. Milligan 1964-9-13 282 Trinity 1 mi. from Hwy. 299 on S Fork Rd. 610 Comment
  CAS-BOT-BC157227  Solanum umbelliferum A. Eastwood; J. T. Howell 1937-6-25 4966 Trinity Between Eagle and Bear creeks Comment
  CAS-BOT-BC157228  Solanum umbelliferum E. McClintock 1956-6-15 s.n. Trinity Along East Fork of Coffee Creek, on trail to Stoddard Lake Comment
  RSA20951  Solanum umbelliferum Carl B. Wolf 1937-6-20 8924 Trinity North Coast Range, Along Mad River, 5.8 MI. above Eureka-Red Bluff Road on to Ruth 457 Comment
  CAS-BOT-BC365589  Solidago elongata John Thomas Howell 1937-7-27 13582 Trinity Coffee Creek Canyon at Union Creek Comment
  HSC30258  Solidago elongata William J. Ferlatte 1972-8-8 1430 Trinity Boulder Creek Basin 1585 Comment
  HSC36174  Solidago multiradiata J. P. Smith, J. O. Sawyer 1973-7-27 7164 Trinity Trail to Deadfall Lakes. 1951 Comment
  HSC91244  Solidago multiradiata Jennifer Whipple 1976-7-13 1442 Trinity Deadfall Creek drainage in the vicinity of the Deadfall Lakes. 2317 Comment
  UC933375  Solidago velutina subsp. californica Annie M. Alexander and Louise Kellogg 1948-9-1 5569 Trinity Dedrick Trinity Mountains, Cloride Mine Trail, Dedrick (Cloride Mine Trail, Trinity Mountains) 1112 Comment
  CAS-BOT-BC157218  Sorbus californica Carl B. Wolf 1937-8-12 9181 Trinity North Coast Range, South Fork Mt., 3 mi. So. of Cold Spring Lookout 1524 Comment
  SEINET3837398  Sparganium angustifolium Unknownnown 1970-8-9 Trinity Boulder Creek Lakes 1753 Comment
  HSC64990  Spergularia rubra D. L. Goforth 1979-7-23 342 Trinity Trinity Alps Wild Area, Upper Union Creek 1951 Comment
  HSC70  Spiraea douglasii William J. Ferlatte 1967-8-8 855 Trinity Upper Canyon Creek Meadow 1524 Comment
  HSC81678  Spiraea douglasii Thomas W. Nelson, Jane P. Nelson 1980-7-21 6151 Trinity Along Eagle Creek Trail, 1/4 mi. W of trail head at Horse Flat Camp 1098 Comment
  CAS-BOT-BC147946  Spiraea douglasii Mrs. E. C. Van Dyke 1931-6-23 s.n. Trinity Nash Mine above Carville Comment
  JEPS123134  Spiraea splendens D. Burge and J. Nelson with Jepson Herbarium workshop participants 2015-6-27 JHWS- 109 Trinity Scorpion Lake Comment
  SEINET3892265  Spiranthes porrifolia Lewis S. Rose 1955-7-17 55125 Trinity Weaverville.; 0 610 Comment
  UC1196408  Spiranthes porrifolia Joseph P. Tracy 1926-7-4 7718 Trinity near mouth of South Fork Trinity River; Northern Coast Ranges, Donahue's Ranch 243 Comment
  CHSC70149  Stachys ajugoides var. rigida Jennifer Whipple 1976-9-1 1746 Trinity Mt. Eddy, Klamath Mountains. Near Lower Deadfall Lake. 2194 Comment
  UC902068  Stachys ajugoides var. rigida Joseph P. Tracy 1949-7-16 18364 Trinity Race Track South Fork Mountain 1676 Comment
  UCLA70776  Stachys ajugoides var. rigida C. Epling, Wm. Robison 1935-7-22 Trinity near Salyer's Comment
  HSC63582  Stachys rigida J. P. Smith, J. O. Sawyer 1975-7-12 8364 Trinity Hwy. 3 at crossing of the Trinity River N of Ramshorn Creek. 915 Comment
  RSA41911  Stachys rigida subsp. rivularis H. C. Cantelow 1936-8-23 1644 Trinity Along Trinity River about 5 miles south of Scott Ranch Comment
  CAS-BOT-BC395092  Stellaria nitens Herb. G. R. Kleeberger 1880-5-15 s.n. Trinity Weaverville Comment
  HSC68050  Stellaria nitens J. P. Smith, J. O. Sawyer 1973-4-14 6095 Trinity 1 mi. E of Poker Bar Rd. on Hwy. 299 640 Comment
  UCD136261  Stephanomeria elata Dean Wm. Taylor; Kathleen A. Teare 1979-9-10 7689 Trinity Trimble Spring, headwaters of Manzanita Creek near Big Bar. 1264 Comment
  BLMAR358  Stipa lemmonii Jennifer Anthony-Wheeler 2003-9-10 358 Trinity Big Butte, around Vann cabin 457 Comment
  HSC44186  Stipa lemmonii Thomas W. Nelson, Jane P. Nelson 1977-6-19 3460 Trinity Below meadow along Rd. 5E27 just N of junction with Rd. 1S07. 1494 Comment
  HSC67429  Stipa lemmonii Ed Cope, John Palmer Jul 1977 519 Trinity South of trail to Granite Lake. 1280 Comment
  HSC102907  Stipa lemmonii var. lemmonii J. P. Smith 2014-5-29 13861 Trinity Roadside along Eagle Creek Loop Road 700 Comment
  HSC82570  Stipa occidentalis var. californica Thomas W. Nelson, Jane P. Nelson 1979-5-26 4731 Trinity Eagle Creek Campground 823 Comment
  CAS-BOT-BC61138  Streptanthus barbatus John Thomas Howell 1937-7-28 13598 Trinity Trinity River Canyon near Eagle Creek. Comment
  HSC68824  Streptanthus barbatus Thomas W. Nelson, Jane P. Nelson 1980-6-19 5619 Trinity Along Salt Creek Rd., 2 mi. from junction with Hwy. 3 793 Comment
  UC1553579  Streptanthus barbatus E. Dean 1988-7-8 106 Trinity Rd. 29N28 0.1 mi s jct with 29N43 (border of Trinity and Shasta Cos.); Brushy Mtn. area Comment
  POM250716  Streptanthus barbatus D. D. Keck 1938-8-8 4879 Trinity Headwaters of Trinity River near entrance of Gravel Creek and Bear Creek. (Also common 1 mile south of Bear Creek at 885 m. elev.) 960 Comment
  HSC42113  Streptanthus breweri Sue Sweet 1977-5-7 40 Trinity Blue Point on Blue Point Ridge 1573 Comment
  HSC68762  Streptanthus breweri Thomas W. Nelson, Jane P. Nelson 1980-6-17 5531 Trinity Shasta-Trinity National Forest, along FS Rd. 1N12, 1.1 mi. from junction with FS Rd. 2N07 1006 Comment
  HSC86963  Streptanthus tortuosus J. P. Smith 1982-6-19 10484 Trinity Along trail past Clems Camp to China Peak 1402 Comment
  POM225503  Streptanthus tortuosus P. A. Munz 1936-8-11 s.n. Trinity Near Forest Glen. 976 Comment
  RSA249343  Streptanthus tortuosus D. E. Anderson, Thomas W. Nelson, S. Dowty 1972-6-14 5655 Trinity Trinity-Humboldt Cos: A large barren Franciscan Rock along Swayback Ridge; Senteney Rock. Comment
  UC902098  Streptanthus tortuosus Joseph P. Tracy 1947-6-22 17714 Trinity rock cliffs along river near Swedes Creek; Trinity River 365 Comment
  UCD116292  Streptanthus tortuosus Robert E. Preston 1984-5-12 446 Trinity 6.4 km E of Burnt Ranch, Highway 299 at Don Juan Point. 305 Comment
  UCD116294  Streptanthus tortuosus Robert E. Preston 1984-5-13 447 Trinity 1 km north of Junction City, on east side of Canyon Creek Road. 457 Comment
  HSC97688  Streptanthus tortuosus var. tortuosus Thomas W. Nelson, Jane Nelson 2006-6-9 9440 Trinity Along FS Rd. 14, 4.3 mi. from junction with Hwy. 36 1322 Comment
  UC722360  Suksdorfia ranunculifolia C. L. Hitchcock and J. S. Martin 1939-7-11 5377 Trinity cliffs between upper Canyon Creek Lake and lower Canyon Creek Lake (11 mi n of Dedrick); Salmon-Trinity Alps 1889 Comment
  CAS-BOT-BC269642  Symphoricarpos albus var. laevigatus Sack; Iverson 1933-7-1 G- 23 Trinity Trinity National Forest. Rock Creek 883 Comment
  HSC66102  Symphoricarpos albus var. laevigatus J. P. Smith, J. O. Sawyer 1975-6-23 8329 Trinity 7 mi. S of Hwy. 299 at Buckhorn Summit on Rd. to Bully Choop. 1280 Comment
  CAS-BOT-BC269641  Symphoricarpos albus var. laevigatus Doris K. Kildale 1927-7-3 3667 Trinity On road between Old Shasta & Redding Comment
  HSC56724  Symphoricarpos mollis Gilbert Muth 1979-7-18 8350 Trinity Near Deep Hollow Creek, close to the town of Mad River 1006 Comment
  UC1239539  Symphoricarpos mollis Joseph P. Tracy 14633 Trinity head of White's Creek; Devil's Canyon Mts. 2072 Comment
  JEPS12670  Symphoricarpos rotundifolius var. parishii W. L. Jepson 1897-7-25 Trinity Summit of South Yolla Bolly Mountain; ; [=modern Solomon Peak, see FB 1_107] 2438 Comment
  HSC85871  Synthyris cordata Sandy Floyd, Tom Munton, T'ai Roulston 1987-3-6 3 Trinity Hwy. 299, Gray's Falls Campground, along dirt road leading S from the campground, 200 m 250 Comment
  UC1197065  Tauschia kelloggii Joseph P. Tracy 1924-4-27 6652 Trinity Salyer; Northern Coast Ranges 182 Comment
  HSC63817  Tauschia kelloggii M. A. Baker 1979-7-3 993 Trinity Base of Hetten Rock Comment
  CDA437  Taxus brevifolia G. F. Hrusa 1991-10-21 8594 a Trinity Bonanza King Ridge; N of, and immediately below, Lookout point. Comment
  CHSC63491  Taxus brevifolia Vernon H. Oswald; Lowell Ahart 1994-8-1 6426 Trinity Forest Rd. 40N45 at Little Picayune Creek, 5.1 mi N of Forest Rd. 26, ca. 4.5 mi (air) SW of Mt. Eddy. 1828 Comment
  RSA105324  Taxus brevifolia Douglas Barke 1955-8-3 347 Trinity Along Battle Creek 10.7 miles west of Scott Mountain Road on Coffee Creek Road. 1280 Comment
  UC401389  Taxus brevifolia Annie M. Alexander and L. Kellogg 1911-7-24 284 Trinity head Grizzly Creek 1828 Comment
  UC54784  Taxus brevifolia P. E. Goddard 1901-6 129 Trinity Trinity Summit Comment
  RSA48901  Tellima grandiflora P. A. Munz 1949-5-17 13269 Trinity Rush Creek Public Camp, 9 miles N of Weaverville. 915 Comment
  JEPS82244  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
  UC184641  Thermopsis gracilis Harry S. Yates 1914-5-21 337 Trinity Little East Weaver Creek Comment
  UCD108593  Thermopsis gracilis Joseph M. DiTomaso 1976-6-24 500 Trinity just above Lower Gibson Meadows on Granite Lake Trail. 1706 Comment
  UCD108598  Thermopsis gracilis G. F. Hrusa 1992-5-2 10424 Trinity Along lower Scorpion Creek, along east side of road to Bonanza King lookout. Comment
  JEPS109837  Thermopsis gracilis var. gracilis Dean W. Taylor 2005-5-25 19322 Trinity Tough Gus Gulch; Trinity River watershed (ca.2 air miles W of Trinity Center) 883 Comment
  JEPS8291  Thlaspi montanum var. montanum Rimo Bacigalupi with L. Constance, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-13 3391 Trinity 1 mi w Peanut (lower reaches of Philpot Creek); lower reaches of Philpot Creek 762 Comment
  UC130690  Thlaspi montanum var. montanum H. M. Hall 1909-7-18 8570 Trinity Dorleska; Salmon Mts.; Salmon Mts., Trinity Co. 2000 Comment
  UC562696  Thlaspi montanum var. montanum Joseph P. Tracy 1935-8-3 14460 Trinity Mary Blaine Mt. 1950 Comment
  UCD15147  Thlaspi montanum var. montanum K. F. Mawdsley 1996-7-11 22 b Trinity Trinity County. Rocks above upper Deadfall Lake. 2362 Comment
  CHSC91761  Thysanocarpus curvipes G. Douglas Barbe; J. T. Howell, T. C. Fuller 1980-5-20 2724 Trinity Klamath Ranges. North of Trinity Center on 'one eye flat' south side of Trinity River bridge, west side of Hwy 3, 0.4 mi north of Coffee Creek Road. 755 Comment
  HSC24109  Thysanocarpus curvipes J. O. Sawyer 1970-4-18 2516 Trinity Above the New River at its junction with the Trinity River 244 Comment
  HSC26311  Thysanocarpus curvipes Thomas W. Nelson 1971-4-24 385 Trinity Along New River Trail Comment
  HSC45790  Thysanocarpus curvipes Brad Klipfel 1975-5-3 598 Trinity Gray's Falls, along N side of the Trinity River, S-facing slope Comment
  CAS-BOT-BC447691  Tiarella trifoliata var. unifoliata L. B. Kildale 1930-7-20 10432 Trinity Upper Van Duzen River near Cobbs Comment
  CAS-BOT-BC447692  Tiarella trifoliata var. unifoliata P. A. Munz 1936-8-11 14359 Trinity bank of brook, Forest Glenn 1066 Comment
  CAS-BOT-BC447630  Tolmiea menziesii Eugene Carter 1975-6-28 1022 Trinity North Fork Trinity River. Pfeiffer Flat. 1043 Comment
  HSC34591  Tonella tenella A. M. Montalvo 1975-5-17 263 Trinity Middle Fork of Philpot Creek and Philpot Campground on Plummer Peak Rd. 825 Comment
  HSC35164  Tonella tenella Advanced Plant Taxonomy Class 1975-5-17 Trinity Middle Fork of Philpot Creek and Philpot Campground on Plummer Peak Rd. 825 Comment
  HSC48890  Tonella tenella J. P. Smith, V. Rumble, E. Rumble 1977-4-30 9045 Trinity Shasta-Trinity National Forest, Philpot Campground and Philpot Creek 793 Comment
  HSC59248  Tonella tenella M. A. Ericksen 1979-5-12 270 Trinity Brown's Creek near Deer Lick Springs Rd., 2.5 mi. from S Fork Jct. Comment
  RSA79343  Tonella tenella E. K. Balls, Lee W. Lenz 1952-5-13 17221 Trinity 6.6 miles SW from Douglas City Bridge over Trinity River on road to Hayfork Comment
  HSC21161  Tonella tenella R. Spellenberg, A. Sylvester, D. Sutherland 1966-4-27 1376 Trinity 0.25 mi. W of mouth of New River on Trinity River Comment
  HSC72385  Tonella tenella J. P. Smith, J. O. Sawyer 1973-4-15 6136 Trinity Coffee Creek Rd., 4.6 mi. W of Hwy. 3 1189 Comment
  HSC70610  Tonestus lyallii J. O. Sawyer, K. A. Sawyer 1981-8-2 4165 Trinity E side of Sawtooth Mtn. above Devil's Canyon. 2439 Comment
  JEPS74610  Tonestus lyallii William J. Ferlatte and Alice Q. Howard 1970-8-11 1308 Trinity Thompson Pk. Ridge west of summit 2682 Comment
  HSC86330  Torilis arvensis J. P. Smith 1982-6-19 10465 Trinity French Creek Rd., 2.1 mi. from its junction with Hwy. 299 549 Comment
  SEINET3103609  Toxicodendron diversilobum Steve Selva, Roger Jensen 1974-8-27 77 Trinity Above Hwy 299 approx. 1.5 mi E of Burnt Ranch. Comment
  HSC97091  Toxicoscordion micranthum Thomas W. Nelson, Susan Erwin 2006-5-19 9409 Trinity At junction of Forest Service Roads 29, 29N58 and 29N59 1351 Comment
  UC1736746  Trautvetteria caroliniensis var. occidentalis Dean W. Taylor 1992-6-11 12710 Trinity Ironside Mountain, Trinity River watershed, above Ziegler Spring 1554 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
  CAS-BOT-BC519587  Triantha occidentalis subsp. occidentalis C. E. Graves 1936-7-1 s.n. Trinity Canyon Lakes Comment
  CAS-BOT-BC519588  Triantha occidentalis subsp. occidentalis Herbert L. Mason 1950-7-15 14052 Trinity Summit of grade, Scott Mountain Comment
  UCLA30919  Trichostema laxum H. and M. Lewis 1955-7-19 1240 Trinity 23 mi E of Forest Glen (on road to peanut) Comment
  CHSC70033  Trientalis latifolia Kevin White; Eric Gundershaug, Dave Johnson 1994-5-6 50 Trinity Salyer, Salyer Rest Area on the S side Hwy 299. In the immediate vicinity of the restrooms and parking lot under stand of Quercus chrysolepis. 219 Comment
  HSC54176  Trientalis latifolia G. L. Clifton, Butler 1979-7-18 8423 Trinity Near Jones Ridge, close to the town of Alderpoint 1158 Comment
  HSC46864  Trientalis latifolia William J. Ferlatte 1976-5-18 1754 Trinity Canyon of Coffee Creek at E fork of Coffee Creek, 7.7 mi. W of Hwy. 3, NW of Trinity Center 320 Comment
  CAS-BOT-BC465602  Trifolium breweri Julie Kierstead Nelson; Dylan O. Burge; Lusetta Sims; Jenny Cribbs 2015-6-4 2015 -051 Trinity East slope of Trinity Alps, W of Trinity Lake, S of road to Stonewall Pass trailhead, spur off Road 35N73Y 1273 Comment
  OBI12699  Trifolium cyathiferum Carl B. Wolf 1937-6-20 8936 Trinity North Coast range, Along Mad river, 5-8/10 mi above Eureka-Red Bluff rd on rd to Ruth Comment
  UC495736  Trifolium cyathiferum Joseph P. Tracy 1932-6-17 10210 Trinity Three Forks of Mad River Mad River; North Coast Ranges 883 Comment
  RSA349493  Trifolium cyathiferum Carl B. Wolf 1937-6-20 8936 Trinity Along Mad River, 5 8/10 mi. above Eureka - Red Bluff Road on Road to Ruth. 457 Comment
  HSC71341  Trifolium eriocephalum J. P. Smith, J. O. Sawyer 1975-6-23 8264 Trinity Philpot Campground 854 Comment
  HSC70303  Trifolium fucatum M. A. Baker 1980-5-25 1532 Trinity Near Shannon Butte 701 Comment
  HSC49722  Trifolium gracilentum J. O. Sawyer, R. J. Cole 1978-4-20 3104 Trinity Above Hwy. 299 at White's Bar. Comment
  HSC23568  Trifolium gracilentum var. gracilentum J. O. Sawyer 1970-5-2 2582 Trinity Above New River 244 Comment
  HSC70496  Trifolium hirtum J. P. Smith 1975-5-17 8117 Trinity Humboldt Meridian, along Hwy. 299 at Hayden Flat Campground 390 Comment
  JEPS74471  Trifolium longipes W. J. Ferlatte 1966-6-30 156 Trinity Canyon Creek Lakes Trinity Alps 1645 Comment
  JEPS123043  Trifolium longipes subsp. elmeri D. Burge and J. Nelson with Jepson Herbarium workshop participants 2015-6-26 JHWS- 028 Trinity Trinity Creek Watershed Comment
  HSC92943  Trifolium longipes subsp. shastense Jennifer Whipple 1977-7-6 1938 Trinity Deadfall Creek drainage in the vicinity of the Deadfall Lakes 2317 Comment
  UC495693  Trifolium microcephalum Joseph P. Tracy 1932-6-17 10214 Trinity Three Forks of Mad River North Coast Ranges 883 Comment
  HSC71636  Trifolium olivaceum J. P. Smith 1973-5-6 6650 Trinity Blanchert Flats near Douglas City Comment
  OBI12664  Trifolium variegatum Carl B. Wolf 1937-6-20 8935 Trinity North Coast Range, along Mad River, 5-8/10 mi above Eureka-Red Bluff rd on road to Ruth 457 Comment
  UC495681  Trifolium variegatum var. variegatum Joseph P. Tracy 1932-6-17 10230 Trinity Three Forks of Mad River North Coast Ranges 883 Comment
  HSC24064  Trifolium willdenovii J. O. Sawyer 1970-4-18 2479 Trinity Above New River. 244 Comment
  HSC44840  Trifolium willdenovii Thomas W. Nelson, Jane P. Nelson 1977-6-19 3538 Trinity Above Senteney Rock. 1494 Comment
  CAS-BOT-BC520856  Trillium albidum E. C. Van Dyke 1931-6-15 s.n. Trinity Rush Creek Comment
  HSC59879  Trillium ovatum J. O. Sawyer 1974-4-27 2562 Trinity Confluence of Willow Gulch Creek with Big French Creek 640 Comment
  UC1333304  Trillium ovatum subsp. oettingeri Dorothy Parker 1949-6-11 Trinity along small stream which empties into Tangle Blue Creek 1676 Comment
  SEINET10840582  Triodanis biflora Tracy 1913-6-24 TRACY 4330 Trinity Hillslopes of Mad River Valley; 6 miles above Ruth 914 Comment
  HSC92577  Trisetum canescens Jennifer Whipple 1976-7-23 1491 Trinity S facing slopes N of Deadfall Creek. 2195 Comment
  UC192375  Trisetum canescens Harry S. Yates 1914-6-10 411 Trinity Rush Creek 792 Comment
  UC552799  Trisetum canescens Joseph P. Tracy 1935-8-3 14448 Trinity Mary Blaine Mt. 1950 Comment
  UCD93897  Trisetum canescens H. S. Yates 1914-7-16 529 Trinity Head of Rush Creek. Comment
  HSC56740  Triteleia bridgesii G. L. Clifton, Butler 1979-7-18 8401 Trinity Near Jones Ridge, close to the town of Alderpoint 1158 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
  JEPS109614  Triteleia crocea var. crocea Dean W. Taylor 2002-6-4 18099 Trinity Swift Creek, Trinity River watershed west of Clair Engle Reservoir 1036 Comment
  HSC3036  Triteleia hyacinthina William J. Ferlatte, B. D. Rogers 1966-6-1 2043 Trinity 3 mi. N of Junction City 579 Comment
  CAS-BOT-BC80213  Tsuga mertensiana subsp. grandicona E. R. Johnson 1930-10-13 160 Trinity Canyon Creek at Lakes 1828 Comment
  HSC35232  Uropappus lindleyi J. M. Sauser 1975-5-17 59 Trinity SE-facing slope on the trail to Denny at the confluence of New River and Trinity River 310 Comment
  CAS-BOT-BC199239  Vaccinium membranaceum Eugene Carter 1972-6-21 462 Trinity North Fork Trinity River, Hobo Gulch Camp and vicinity. (18 mi. NW of Weaverville) Along south side of Keystone Meadows Creek, 1 1/2 miles west of Hobo Gulch 1554 Comment
  HSC78867  Vaccinium membranaceum John S. Palmer 1976-7-5 470 Trinity Basin NW of Bear Lake 1829 Comment
  SEINET10907238  Vaccinium parvifolium Mary Merello 1993-6-20 Merello 665 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
  SEINET8661712  Valerianella locusta P. A. Munz 1949-5-15 13212 Trinity Canyon Creek, Ripstein Public Camp Ground, Dedrick. 975 Comment
  CAS-BOT-BC182440  Vancouveria planipetala Eugene Carter 1975-6-13 951 Trinity East Fork of North Fork Trinity River. Near the beginning of the Hobo Gulch Road 518 Comment
  RSA50010  Vancouveria planipetala E. K. Balls 1949-6-29 13668 Trinity 0.5 mile above Ripstein Camp, Canyon Creek. 793 Comment
  CDA10957  Veratrum californicum var. californicum G. F. Hrusa, H. Townsend 1994-7-17 11896 Trinity Trinity Mountains; Near summit of ridge N of Bonanza King Lookout. Comment
  CHSC82165  Veratrum californicum var. californicum L. P. Janeway 2001-7-16 7359 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
  JEPS62199  Veratrum californicum var. californicum W. L. Jepson 1897-7-24 Trinity South Yollo Bolly; ; [=modern Solomon Peak, see FB 1_107] Comment
  RSA135